From 9bff9479e143d4d0497fa408396c5fc3d7786f04 Mon Sep 17 00:00:00 2001 From: Qiuxu Zhuo Date: Fri, 11 Jun 2021 10:01:18 -0700 Subject: [PATCH 001/702] EDAC/skx_common: Add new ADXL components for 2-level memory [ Upstream commit 2f4348e5a86198704368a699a7c4cdeb21d569f5 ] Some Intel servers may configure memory in 2 levels, using fast "near" memory (e.g. DDR) as a cache for larger, slower, "far" memory (e.g. 3D X-point). In these configurations the BIOS ADXL address translation for an address in a 2-level memory range will provide details of both the "near" and far components. Current exported ADXL components are only for 1-level memory system or for 2nd level memory of 2-level memory system. So add new ADXL components for 1st level memory of 2-level memory system to fully support 2-level memory system and the detection of memory error source(1st level memory or 2nd level memory). Signed-off-by: Qiuxu Zhuo Signed-off-by: Tony Luck Link: https://lore.kernel.org/r/20210611170123.1057025-2-tony.luck@intel.com Stable-dep-of: 123b15863550 ("EDAC, i10nm: make skx_common.o a separate module") Signed-off-by: Sasha Levin --- drivers/edac/skx_common.c | 67 ++++++++++++++++++++++++++++++++------- drivers/edac/skx_common.h | 11 +++++++ 2 files changed, 67 insertions(+), 11 deletions(-) diff --git a/drivers/edac/skx_common.c b/drivers/edac/skx_common.c index 2b4ce8e5ac2f..300bfd8383e1 100644 --- a/drivers/edac/skx_common.c +++ b/drivers/edac/skx_common.c @@ -23,10 +23,13 @@ #include "skx_common.h" static const char * const component_names[] = { - [INDEX_SOCKET] = "ProcessorSocketId", - [INDEX_MEMCTRL] = "MemoryControllerId", - [INDEX_CHANNEL] = "ChannelId", - [INDEX_DIMM] = "DimmSlotId", + [INDEX_SOCKET] = "ProcessorSocketId", + [INDEX_MEMCTRL] = "MemoryControllerId", + [INDEX_CHANNEL] = "ChannelId", + [INDEX_DIMM] = "DimmSlotId", + [INDEX_NM_MEMCTRL] = "NmMemoryControllerId", + [INDEX_NM_CHANNEL] = "NmChannelId", + [INDEX_NM_DIMM] = "NmDimmSlotId", }; static int component_indices[ARRAY_SIZE(component_names)]; @@ -34,12 +37,14 @@ static int adxl_component_count; static const char * const *adxl_component_names; static u64 *adxl_values; static char *adxl_msg; +static unsigned long adxl_nm_bitmap; static char skx_msg[MSG_SIZE]; static skx_decode_f skx_decode; static skx_show_retry_log_f skx_show_retry_rd_err_log; static u64 skx_tolm, skx_tohm; static LIST_HEAD(dev_edac_list); +static bool skx_mem_cfg_2lm; int __init skx_adxl_get(void) { @@ -56,14 +61,25 @@ int __init skx_adxl_get(void) for (j = 0; names[j]; j++) { if (!strcmp(component_names[i], names[j])) { component_indices[i] = j; + + if (i >= INDEX_NM_FIRST) + adxl_nm_bitmap |= 1 << i; + break; } } - if (!names[j]) + if (!names[j] && i < INDEX_NM_FIRST) goto err; } + if (skx_mem_cfg_2lm) { + if (!adxl_nm_bitmap) + skx_printk(KERN_NOTICE, "Not enough ADXL components for 2-level memory.\n"); + else + edac_dbg(2, "adxl_nm_bitmap: 0x%lx\n", adxl_nm_bitmap); + } + adxl_component_names = names; while (*names++) adxl_component_count++; @@ -99,7 +115,7 @@ void __exit skx_adxl_put(void) kfree(adxl_msg); } -static bool skx_adxl_decode(struct decoded_addr *res) +static bool skx_adxl_decode(struct decoded_addr *res, bool error_in_1st_level_mem) { struct skx_dev *d; int i, len = 0; @@ -116,11 +132,20 @@ static bool skx_adxl_decode(struct decoded_addr *res) } res->socket = (int)adxl_values[component_indices[INDEX_SOCKET]]; - res->imc = (int)adxl_values[component_indices[INDEX_MEMCTRL]]; - res->channel = (int)adxl_values[component_indices[INDEX_CHANNEL]]; - res->dimm = (int)adxl_values[component_indices[INDEX_DIMM]]; + if (error_in_1st_level_mem) { + res->imc = (adxl_nm_bitmap & BIT_NM_MEMCTRL) ? + (int)adxl_values[component_indices[INDEX_NM_MEMCTRL]] : -1; + res->channel = (adxl_nm_bitmap & BIT_NM_CHANNEL) ? + (int)adxl_values[component_indices[INDEX_NM_CHANNEL]] : -1; + res->dimm = (adxl_nm_bitmap & BIT_NM_DIMM) ? + (int)adxl_values[component_indices[INDEX_NM_DIMM]] : -1; + } else { + res->imc = (int)adxl_values[component_indices[INDEX_MEMCTRL]]; + res->channel = (int)adxl_values[component_indices[INDEX_CHANNEL]]; + res->dimm = (int)adxl_values[component_indices[INDEX_DIMM]]; + } - if (res->imc > NUM_IMC - 1) { + if (res->imc > NUM_IMC - 1 || res->imc < 0) { skx_printk(KERN_ERR, "Bad imc %d\n", res->imc); return false; } @@ -151,6 +176,11 @@ static bool skx_adxl_decode(struct decoded_addr *res) return true; } +void skx_set_mem_cfg(bool mem_cfg_2lm) +{ + skx_mem_cfg_2lm = mem_cfg_2lm; +} + void skx_set_decode(skx_decode_f decode, skx_show_retry_log_f show_retry_log) { skx_decode = decode; @@ -565,6 +595,21 @@ static void skx_mce_output_error(struct mem_ctl_info *mci, optype, skx_msg); } +static bool skx_error_in_1st_level_mem(const struct mce *m) +{ + u32 errcode; + + if (!skx_mem_cfg_2lm) + return false; + + errcode = GET_BITFIELD(m->status, 0, 15); + + if ((errcode & 0xef80) != 0x280) + return false; + + return true; +} + int skx_mce_check_error(struct notifier_block *nb, unsigned long val, void *data) { @@ -584,7 +629,7 @@ int skx_mce_check_error(struct notifier_block *nb, unsigned long val, res.addr = mce->addr; if (adxl_component_count) { - if (!skx_adxl_decode(&res)) + if (!skx_adxl_decode(&res, skx_error_in_1st_level_mem(mce))) return NOTIFY_DONE; } else if (!skx_decode || !skx_decode(&res)) { return NOTIFY_DONE; diff --git a/drivers/edac/skx_common.h b/drivers/edac/skx_common.h index 78f8c1de0b71..9773bd8e0532 100644 --- a/drivers/edac/skx_common.h +++ b/drivers/edac/skx_common.h @@ -9,6 +9,8 @@ #ifndef _SKX_COMM_EDAC_H #define _SKX_COMM_EDAC_H +#include + #define MSG_SIZE 1024 /* @@ -90,9 +92,17 @@ enum { INDEX_MEMCTRL, INDEX_CHANNEL, INDEX_DIMM, + INDEX_NM_FIRST, + INDEX_NM_MEMCTRL = INDEX_NM_FIRST, + INDEX_NM_CHANNEL, + INDEX_NM_DIMM, INDEX_MAX }; +#define BIT_NM_MEMCTRL BIT_ULL(INDEX_NM_MEMCTRL) +#define BIT_NM_CHANNEL BIT_ULL(INDEX_NM_CHANNEL) +#define BIT_NM_DIMM BIT_ULL(INDEX_NM_DIMM) + struct decoded_addr { struct skx_dev *dev; u64 addr; @@ -127,6 +137,7 @@ typedef void (*skx_show_retry_log_f)(struct decoded_addr *res, char *msg, int le int __init skx_adxl_get(void); void __exit skx_adxl_put(void); void skx_set_decode(skx_decode_f decode, skx_show_retry_log_f show_retry_log); +void skx_set_mem_cfg(bool mem_cfg_2lm); int skx_get_src_id(struct skx_dev *d, int off, u8 *id); int skx_get_node_id(struct skx_dev *d, u8 *id); From 3070e81609169b316e3e3f226456950238338d43 Mon Sep 17 00:00:00 2001 From: Arnd Bergmann Date: Wed, 29 May 2024 11:51:11 +0200 Subject: [PATCH 002/702] EDAC, i10nm: make skx_common.o a separate module [ Upstream commit 123b158635505c89ed0d3ef45c5845ff9030a466 ] Commit 598afa050403 ("kbuild: warn objects shared among multiple modules") was added to track down cases where the same object is linked into multiple modules. This can cause serious problems if some modules are builtin while others are not. That test triggers this warning: scripts/Makefile.build:236: drivers/edac/Makefile: skx_common.o is added to multiple modules: i10nm_edac skx_edac Make this a separate module instead. [Tony: Added more background details to commit message] Fixes: d4dc89d069aa ("EDAC, i10nm: Add a driver for Intel 10nm server processors") Signed-off-by: Arnd Bergmann Signed-off-by: Tony Luck Link: https://lore.kernel.org/all/20240529095132.1929397-1-arnd@kernel.org/ Signed-off-by: Sasha Levin --- drivers/edac/Makefile | 10 ++++++---- drivers/edac/skx_common.c | 21 +++++++++++++++++++-- drivers/edac/skx_common.h | 4 ++-- 3 files changed, 27 insertions(+), 8 deletions(-) diff --git a/drivers/edac/Makefile b/drivers/edac/Makefile index 3a849168780d..eec69c885c1d 100644 --- a/drivers/edac/Makefile +++ b/drivers/edac/Makefile @@ -58,11 +58,13 @@ obj-$(CONFIG_EDAC_MPC85XX) += mpc85xx_edac_mod.o layerscape_edac_mod-y := fsl_ddr_edac.o layerscape_edac.o obj-$(CONFIG_EDAC_LAYERSCAPE) += layerscape_edac_mod.o -skx_edac-y := skx_common.o skx_base.o -obj-$(CONFIG_EDAC_SKX) += skx_edac.o +skx_edac_common-y := skx_common.o -i10nm_edac-y := skx_common.o i10nm_base.o -obj-$(CONFIG_EDAC_I10NM) += i10nm_edac.o +skx_edac-y := skx_base.o +obj-$(CONFIG_EDAC_SKX) += skx_edac.o skx_edac_common.o + +i10nm_edac-y := i10nm_base.o +obj-$(CONFIG_EDAC_I10NM) += i10nm_edac.o skx_edac_common.o obj-$(CONFIG_EDAC_MV64X60) += mv64x60_edac.o obj-$(CONFIG_EDAC_CELL) += cell_edac.o diff --git a/drivers/edac/skx_common.c b/drivers/edac/skx_common.c index 300bfd8383e1..b585cbe3eff9 100644 --- a/drivers/edac/skx_common.c +++ b/drivers/edac/skx_common.c @@ -46,7 +46,7 @@ static u64 skx_tolm, skx_tohm; static LIST_HEAD(dev_edac_list); static bool skx_mem_cfg_2lm; -int __init skx_adxl_get(void) +int skx_adxl_get(void) { const char * const *names; int i, j; @@ -108,12 +108,14 @@ int __init skx_adxl_get(void) return -ENODEV; } +EXPORT_SYMBOL_GPL(skx_adxl_get); -void __exit skx_adxl_put(void) +void skx_adxl_put(void) { kfree(adxl_values); kfree(adxl_msg); } +EXPORT_SYMBOL_GPL(skx_adxl_put); static bool skx_adxl_decode(struct decoded_addr *res, bool error_in_1st_level_mem) { @@ -180,12 +182,14 @@ void skx_set_mem_cfg(bool mem_cfg_2lm) { skx_mem_cfg_2lm = mem_cfg_2lm; } +EXPORT_SYMBOL_GPL(skx_set_mem_cfg); void skx_set_decode(skx_decode_f decode, skx_show_retry_log_f show_retry_log) { skx_decode = decode; skx_show_retry_rd_err_log = show_retry_log; } +EXPORT_SYMBOL_GPL(skx_set_decode); int skx_get_src_id(struct skx_dev *d, int off, u8 *id) { @@ -199,6 +203,7 @@ int skx_get_src_id(struct skx_dev *d, int off, u8 *id) *id = GET_BITFIELD(reg, 12, 14); return 0; } +EXPORT_SYMBOL_GPL(skx_get_src_id); int skx_get_node_id(struct skx_dev *d, u8 *id) { @@ -212,6 +217,7 @@ int skx_get_node_id(struct skx_dev *d, u8 *id) *id = GET_BITFIELD(reg, 0, 2); return 0; } +EXPORT_SYMBOL_GPL(skx_get_node_id); static int get_width(u32 mtr) { @@ -277,6 +283,7 @@ int skx_get_all_bus_mappings(struct res_config *cfg, struct list_head **list) *list = &dev_edac_list; return ndev; } +EXPORT_SYMBOL_GPL(skx_get_all_bus_mappings); int skx_get_hi_lo(unsigned int did, int off[], u64 *tolm, u64 *tohm) { @@ -316,6 +323,7 @@ int skx_get_hi_lo(unsigned int did, int off[], u64 *tolm, u64 *tohm) pci_dev_put(pdev); return -ENODEV; } +EXPORT_SYMBOL_GPL(skx_get_hi_lo); static int skx_get_dimm_attr(u32 reg, int lobit, int hibit, int add, int minval, int maxval, const char *name) @@ -369,6 +377,7 @@ int skx_get_dimm_info(u32 mtr, u32 mcmtr, u32 amap, struct dimm_info *dimm, return 1; } +EXPORT_SYMBOL_GPL(skx_get_dimm_info); int skx_get_nvdimm_info(struct dimm_info *dimm, struct skx_imc *imc, int chan, int dimmno, const char *mod_str) @@ -417,6 +426,7 @@ int skx_get_nvdimm_info(struct dimm_info *dimm, struct skx_imc *imc, return (size == 0 || size == ~0ull) ? 0 : 1; } +EXPORT_SYMBOL_GPL(skx_get_nvdimm_info); int skx_register_mci(struct skx_imc *imc, struct pci_dev *pdev, const char *ctl_name, const char *mod_str, @@ -484,6 +494,7 @@ int skx_register_mci(struct skx_imc *imc, struct pci_dev *pdev, imc->mci = NULL; return rc; } +EXPORT_SYMBOL_GPL(skx_register_mci); static void skx_unregister_mci(struct skx_imc *imc) { @@ -663,6 +674,7 @@ int skx_mce_check_error(struct notifier_block *nb, unsigned long val, mce->kflags |= MCE_HANDLED_EDAC; return NOTIFY_DONE; } +EXPORT_SYMBOL_GPL(skx_mce_check_error); void skx_remove(void) { @@ -698,3 +710,8 @@ void skx_remove(void) kfree(d); } } +EXPORT_SYMBOL_GPL(skx_remove); + +MODULE_LICENSE("GPL v2"); +MODULE_AUTHOR("Tony Luck"); +MODULE_DESCRIPTION("MC Driver for Intel server processors"); diff --git a/drivers/edac/skx_common.h b/drivers/edac/skx_common.h index 9773bd8e0532..b93c33ac8e60 100644 --- a/drivers/edac/skx_common.h +++ b/drivers/edac/skx_common.h @@ -134,8 +134,8 @@ typedef int (*get_dimm_config_f)(struct mem_ctl_info *mci); typedef bool (*skx_decode_f)(struct decoded_addr *res); typedef void (*skx_show_retry_log_f)(struct decoded_addr *res, char *msg, int len); -int __init skx_adxl_get(void); -void __exit skx_adxl_put(void); +int skx_adxl_get(void); +void skx_adxl_put(void); void skx_set_decode(skx_decode_f decode, skx_show_retry_log_f show_retry_log); void skx_set_mem_cfg(bool mem_cfg_2lm); From c0748b7684a96fc61900a53ec96f9cec4a0c702e Mon Sep 17 00:00:00 2001 From: Tzung-Bi Shih Date: Tue, 11 Jun 2024 11:31:10 +0000 Subject: [PATCH 003/702] platform/chrome: cros_ec_debugfs: fix wrong EC message version [ Upstream commit c2a28647bbb4e0894e8824362410f72b06ac57a4 ] ec_read_version_supported() uses ec_params_get_cmd_versions_v1 but it wrongly uses message version 0. Fix it. Fixes: e86264595225 ("mfd: cros_ec: add debugfs, console log file") Reviewed-by: Guenter Roeck Link: https://lore.kernel.org/r/20240611113110.16955-1-tzungbi@kernel.org Signed-off-by: Tzung-Bi Shih Signed-off-by: Sasha Levin --- drivers/platform/chrome/cros_ec_debugfs.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/platform/chrome/cros_ec_debugfs.c b/drivers/platform/chrome/cros_ec_debugfs.c index 0dbceee87a4b..2928c3cb3785 100644 --- a/drivers/platform/chrome/cros_ec_debugfs.c +++ b/drivers/platform/chrome/cros_ec_debugfs.c @@ -326,6 +326,7 @@ static int ec_read_version_supported(struct cros_ec_dev *ec) if (!msg) return 0; + msg->version = 1; msg->command = EC_CMD_GET_CMD_VERSIONS + ec->cmd_offset; msg->outsize = sizeof(*params); msg->insize = sizeof(*response); From 97795f23a8ab9bceeb51f91fa09cbe24998e1fe2 Mon Sep 17 00:00:00 2001 From: Chao Yu Date: Fri, 7 Jun 2024 22:23:04 +0800 Subject: [PATCH 004/702] hfsplus: fix to avoid false alarm of circular locking MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit [ Upstream commit be4edd1642ee205ed7bbf66edc0453b1be1fb8d7 ] Syzbot report potential ABBA deadlock as below: loop0: detected capacity change from 0 to 1024 ====================================================== WARNING: possible circular locking dependency detected 6.9.0-syzkaller-10323-g8f6a15f095a6 #0 Not tainted ------------------------------------------------------ syz-executor171/5344 is trying to acquire lock: ffff88807cb980b0 (&tree->tree_lock){+.+.}-{3:3}, at: hfsplus_file_truncate+0x811/0xb50 fs/hfsplus/extents.c:595 but task is already holding lock: ffff88807a930108 (&HFSPLUS_I(inode)->extents_lock){+.+.}-{3:3}, at: hfsplus_file_truncate+0x2da/0xb50 fs/hfsplus/extents.c:576 which lock already depends on the new lock. the existing dependency chain (in reverse order) is: -> #1 (&HFSPLUS_I(inode)->extents_lock){+.+.}-{3:3}: lock_acquire+0x1ed/0x550 kernel/locking/lockdep.c:5754 __mutex_lock_common kernel/locking/mutex.c:608 [inline] __mutex_lock+0x136/0xd70 kernel/locking/mutex.c:752 hfsplus_file_extend+0x21b/0x1b70 fs/hfsplus/extents.c:457 hfsplus_bmap_reserve+0x105/0x4e0 fs/hfsplus/btree.c:358 hfsplus_rename_cat+0x1d0/0x1050 fs/hfsplus/catalog.c:456 hfsplus_rename+0x12e/0x1c0 fs/hfsplus/dir.c:552 vfs_rename+0xbdb/0xf00 fs/namei.c:4887 do_renameat2+0xd94/0x13f0 fs/namei.c:5044 __do_sys_rename fs/namei.c:5091 [inline] __se_sys_rename fs/namei.c:5089 [inline] __x64_sys_rename+0x86/0xa0 fs/namei.c:5089 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xf5/0x240 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f -> #0 (&tree->tree_lock){+.+.}-{3:3}: check_prev_add kernel/locking/lockdep.c:3134 [inline] check_prevs_add kernel/locking/lockdep.c:3253 [inline] validate_chain+0x18cb/0x58e0 kernel/locking/lockdep.c:3869 __lock_acquire+0x1346/0x1fd0 kernel/locking/lockdep.c:5137 lock_acquire+0x1ed/0x550 kernel/locking/lockdep.c:5754 __mutex_lock_common kernel/locking/mutex.c:608 [inline] __mutex_lock+0x136/0xd70 kernel/locking/mutex.c:752 hfsplus_file_truncate+0x811/0xb50 fs/hfsplus/extents.c:595 hfsplus_setattr+0x1ce/0x280 fs/hfsplus/inode.c:265 notify_change+0xb9d/0xe70 fs/attr.c:497 do_truncate+0x220/0x310 fs/open.c:65 handle_truncate fs/namei.c:3308 [inline] do_open fs/namei.c:3654 [inline] path_openat+0x2a3d/0x3280 fs/namei.c:3807 do_filp_open+0x235/0x490 fs/namei.c:3834 do_sys_openat2+0x13e/0x1d0 fs/open.c:1406 do_sys_open fs/open.c:1421 [inline] __do_sys_creat fs/open.c:1497 [inline] __se_sys_creat fs/open.c:1491 [inline] __x64_sys_creat+0x123/0x170 fs/open.c:1491 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xf5/0x240 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f other info that might help us debug this: Possible unsafe locking scenario: CPU0 CPU1 ---- ---- lock(&HFSPLUS_I(inode)->extents_lock); lock(&tree->tree_lock); lock(&HFSPLUS_I(inode)->extents_lock); lock(&tree->tree_lock); This is a false alarm as tree_lock mutex are different, one is from sbi->cat_tree, and another is from sbi->ext_tree: Thread A Thread B - hfsplus_rename - hfsplus_rename_cat - hfs_find_init - mutext_lock(cat_tree->tree_lock) - hfsplus_setattr - hfsplus_file_truncate - mutex_lock(hip->extents_lock) - hfs_find_init - mutext_lock(ext_tree->tree_lock) - hfs_bmap_reserve - hfsplus_file_extend - mutex_lock(hip->extents_lock) So, let's call mutex_lock_nested for tree_lock mutex lock, and pass correct lock class for it. Fixes: 31651c607151 ("hfsplus: avoid deadlock on file truncation") Reported-by: syzbot+6030b3b1b9bf70e538c4@syzkaller.appspotmail.com Closes: https://lore.kernel.org/linux-fsdevel/000000000000e37a4005ef129563@google.com Cc: Ernesto A. Fernández Signed-off-by: Chao Yu Link: https://lore.kernel.org/r/20240607142304.455441-1-chao@kernel.org Signed-off-by: Christian Brauner Signed-off-by: Sasha Levin --- fs/hfsplus/bfind.c | 15 ++------------- fs/hfsplus/extents.c | 9 ++++++--- fs/hfsplus/hfsplus_fs.h | 21 +++++++++++++++++++++ 3 files changed, 29 insertions(+), 16 deletions(-) diff --git a/fs/hfsplus/bfind.c b/fs/hfsplus/bfind.c index ca2ba8c9f82e..901e83d65d20 100644 --- a/fs/hfsplus/bfind.c +++ b/fs/hfsplus/bfind.c @@ -25,19 +25,8 @@ int hfs_find_init(struct hfs_btree *tree, struct hfs_find_data *fd) fd->key = ptr + tree->max_key_len + 2; hfs_dbg(BNODE_REFS, "find_init: %d (%p)\n", tree->cnid, __builtin_return_address(0)); - switch (tree->cnid) { - case HFSPLUS_CAT_CNID: - mutex_lock_nested(&tree->tree_lock, CATALOG_BTREE_MUTEX); - break; - case HFSPLUS_EXT_CNID: - mutex_lock_nested(&tree->tree_lock, EXTENTS_BTREE_MUTEX); - break; - case HFSPLUS_ATTR_CNID: - mutex_lock_nested(&tree->tree_lock, ATTR_BTREE_MUTEX); - break; - default: - BUG(); - } + mutex_lock_nested(&tree->tree_lock, + hfsplus_btree_lock_class(tree)); return 0; } diff --git a/fs/hfsplus/extents.c b/fs/hfsplus/extents.c index 7054a542689f..c95a2f0ed4a7 100644 --- a/fs/hfsplus/extents.c +++ b/fs/hfsplus/extents.c @@ -430,7 +430,8 @@ int hfsplus_free_fork(struct super_block *sb, u32 cnid, hfsplus_free_extents(sb, ext_entry, total_blocks - start, total_blocks); total_blocks = start; - mutex_lock(&fd.tree->tree_lock); + mutex_lock_nested(&fd.tree->tree_lock, + hfsplus_btree_lock_class(fd.tree)); } while (total_blocks > blocks); hfs_find_exit(&fd); @@ -592,7 +593,8 @@ void hfsplus_file_truncate(struct inode *inode) alloc_cnt, alloc_cnt - blk_cnt); hfsplus_dump_extent(hip->first_extents); hip->first_blocks = blk_cnt; - mutex_lock(&fd.tree->tree_lock); + mutex_lock_nested(&fd.tree->tree_lock, + hfsplus_btree_lock_class(fd.tree)); break; } res = __hfsplus_ext_cache_extent(&fd, inode, alloc_cnt); @@ -606,7 +608,8 @@ void hfsplus_file_truncate(struct inode *inode) hfsplus_free_extents(sb, hip->cached_extents, alloc_cnt - start, alloc_cnt - blk_cnt); hfsplus_dump_extent(hip->cached_extents); - mutex_lock(&fd.tree->tree_lock); + mutex_lock_nested(&fd.tree->tree_lock, + hfsplus_btree_lock_class(fd.tree)); if (blk_cnt > start) { hip->extent_state |= HFSPLUS_EXT_DIRTY; break; diff --git a/fs/hfsplus/hfsplus_fs.h b/fs/hfsplus/hfsplus_fs.h index c438680ef9f7..bfbe88e804eb 100644 --- a/fs/hfsplus/hfsplus_fs.h +++ b/fs/hfsplus/hfsplus_fs.h @@ -557,6 +557,27 @@ static inline __be32 __hfsp_ut2mt(time64_t ut) return cpu_to_be32(lower_32_bits(ut) + HFSPLUS_UTC_OFFSET); } +static inline enum hfsplus_btree_mutex_classes +hfsplus_btree_lock_class(struct hfs_btree *tree) +{ + enum hfsplus_btree_mutex_classes class; + + switch (tree->cnid) { + case HFSPLUS_CAT_CNID: + class = CATALOG_BTREE_MUTEX; + break; + case HFSPLUS_EXT_CNID: + class = EXTENTS_BTREE_MUTEX; + break; + case HFSPLUS_ATTR_CNID: + class = ATTR_BTREE_MUTEX; + break; + default: + BUG(); + } + return class; +} + /* compatibility */ #define hfsp_mt2ut(t) (struct timespec64){ .tv_sec = __hfsp_mt2ut(t) } #define hfsp_ut2mt(t) __hfsp_ut2mt((t).tv_sec) From e2fdf7b79f08e05934efccbc74158803aa5d14ef Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Ilpo=20J=C3=A4rvinen?= Date: Mon, 27 May 2024 15:55:35 +0300 Subject: [PATCH 005/702] x86/of: Return consistent error type from x86_of_pci_irq_enable() MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit [ Upstream commit ec0b4c4d45cf7cf9a6c9626a494a89cb1ae7c645 ] x86_of_pci_irq_enable() returns PCIBIOS_* code received from pci_read_config_byte() directly and also -EINVAL which are not compatible error types. x86_of_pci_irq_enable() is used as (*pcibios_enable_irq) function which should not return PCIBIOS_* codes. Convert the PCIBIOS_* return code from pci_read_config_byte() into normal errno using pcibios_err_to_errno(). Fixes: 96e0a0797eba ("x86: dtb: Add support for PCI devices backed by dtb nodes") Signed-off-by: Ilpo Järvinen Signed-off-by: Borislav Petkov (AMD) Link: https://lore.kernel.org/r/20240527125538.13620-1-ilpo.jarvinen@linux.intel.com Signed-off-by: Sasha Levin --- arch/x86/kernel/devicetree.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/arch/x86/kernel/devicetree.c b/arch/x86/kernel/devicetree.c index ddffd80f5c52..2d654fdf001d 100644 --- a/arch/x86/kernel/devicetree.c +++ b/arch/x86/kernel/devicetree.c @@ -92,7 +92,7 @@ static int x86_of_pci_irq_enable(struct pci_dev *dev) ret = pci_read_config_byte(dev, PCI_INTERRUPT_PIN, &pin); if (ret) - return ret; + return pcibios_err_to_errno(ret); if (!pin) return 0; From c995bea85e2e5ae98ea81a99841f9f7d621fd031 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Ilpo=20J=C3=A4rvinen?= Date: Mon, 27 May 2024 15:55:36 +0300 Subject: [PATCH 006/702] x86/pci/intel_mid_pci: Fix PCIBIOS_* return code handling MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit [ Upstream commit 724852059e97c48557151b3aa4af424614819752 ] intel_mid_pci_irq_enable() uses pci_read_config_byte() that returns PCIBIOS_* codes. The error handling, however, assumes the codes are normal errnos because it checks for < 0. intel_mid_pci_irq_enable() also returns the PCIBIOS_* code back to the caller but the function is used as the (*pcibios_enable_irq) function which should return normal errnos. Convert the error check to plain non-zero check which works for PCIBIOS_* return codes and convert the PCIBIOS_* return code using pcibios_err_to_errno() into normal errno before returning it. Fixes: 5b395e2be6c4 ("x86/platform/intel-mid: Make IRQ allocation a bit more flexible") Signed-off-by: Ilpo Järvinen Signed-off-by: Borislav Petkov (AMD) Reviewed-by: Andy Shevchenko Link: https://lore.kernel.org/r/20240527125538.13620-2-ilpo.jarvinen@linux.intel.com Signed-off-by: Sasha Levin --- arch/x86/pci/intel_mid_pci.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/arch/x86/pci/intel_mid_pci.c b/arch/x86/pci/intel_mid_pci.c index 24ca4ee2802f..3399dcdd526c 100644 --- a/arch/x86/pci/intel_mid_pci.c +++ b/arch/x86/pci/intel_mid_pci.c @@ -223,9 +223,9 @@ static int intel_mid_pci_irq_enable(struct pci_dev *dev) return 0; ret = pci_read_config_byte(dev, PCI_INTERRUPT_LINE, &gsi); - if (ret < 0) { + if (ret) { dev_warn(&dev->dev, "Failed to read interrupt line: %d\n", ret); - return ret; + return pcibios_err_to_errno(ret); } switch (intel_mid_identify_cpu()) { From 010441f08347406c57de626278cee027e20580ef Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Ilpo=20J=C3=A4rvinen?= Date: Mon, 27 May 2024 15:55:37 +0300 Subject: [PATCH 007/702] x86/pci/xen: Fix PCIBIOS_* return code handling MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit [ Upstream commit e9d7b435dfaec58432f4106aaa632bf39f52ce9f ] xen_pcifront_enable_irq() uses pci_read_config_byte() that returns PCIBIOS_* codes. The error handling, however, assumes the codes are normal errnos because it checks for < 0. xen_pcifront_enable_irq() also returns the PCIBIOS_* code back to the caller but the function is used as the (*pcibios_enable_irq) function which should return normal errnos. Convert the error check to plain non-zero check which works for PCIBIOS_* return codes and convert the PCIBIOS_* return code using pcibios_err_to_errno() into normal errno before returning it. Fixes: 3f2a230caf21 ("xen: handled remapped IRQs when enabling a pcifront PCI device.") Signed-off-by: Ilpo Järvinen Signed-off-by: Borislav Petkov (AMD) Reviewed-by: Juergen Gross Link: https://lore.kernel.org/r/20240527125538.13620-3-ilpo.jarvinen@linux.intel.com Signed-off-by: Sasha Levin --- arch/x86/pci/xen.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/arch/x86/pci/xen.c b/arch/x86/pci/xen.c index 326d6d173733..cbe9ab42cbeb 100644 --- a/arch/x86/pci/xen.c +++ b/arch/x86/pci/xen.c @@ -37,10 +37,10 @@ static int xen_pcifront_enable_irq(struct pci_dev *dev) u8 gsi; rc = pci_read_config_byte(dev, PCI_INTERRUPT_LINE, &gsi); - if (rc < 0) { + if (rc) { dev_warn(&dev->dev, "Xen PCI: failed to read interrupt line: %d\n", rc); - return rc; + return pcibios_err_to_errno(rc); } /* In PV DomU the Xen PCI backend puts the PIRQ in the interrupt line.*/ pirq = gsi; From 685976438b640897236604d8423b7a62ba28ce9a Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Ilpo=20J=C3=A4rvinen?= Date: Mon, 27 May 2024 15:55:38 +0300 Subject: [PATCH 008/702] x86/platform/iosf_mbi: Convert PCIBIOS_* return codes to errnos MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit [ Upstream commit 7821fa101eab529521aa4b724bf708149d70820c ] iosf_mbi_pci_{read,write}_mdr() use pci_{read,write}_config_dword() that return PCIBIOS_* codes but functions also return -ENODEV which are not compatible error codes. As neither of the functions are related to PCI read/write functions, they should return normal errnos. Convert PCIBIOS_* returns code using pcibios_err_to_errno() into normal errno before returning it. Fixes: 46184415368a ("arch: x86: New MailBox support driver for Intel SOC's") Signed-off-by: Ilpo Järvinen Signed-off-by: Borislav Petkov (AMD) Link: https://lore.kernel.org/r/20240527125538.13620-4-ilpo.jarvinen@linux.intel.com Signed-off-by: Sasha Levin --- arch/x86/platform/intel/iosf_mbi.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/arch/x86/platform/intel/iosf_mbi.c b/arch/x86/platform/intel/iosf_mbi.c index 526f70f27c1c..70a1c3877f8e 100644 --- a/arch/x86/platform/intel/iosf_mbi.c +++ b/arch/x86/platform/intel/iosf_mbi.c @@ -62,7 +62,7 @@ static int iosf_mbi_pci_read_mdr(u32 mcrx, u32 mcr, u32 *mdr) fail_read: dev_err(&mbi_pdev->dev, "PCI config access failed with %d\n", result); - return result; + return pcibios_err_to_errno(result); } static int iosf_mbi_pci_write_mdr(u32 mcrx, u32 mcr, u32 mdr) @@ -91,7 +91,7 @@ static int iosf_mbi_pci_write_mdr(u32 mcrx, u32 mcr, u32 mdr) fail_write: dev_err(&mbi_pdev->dev, "PCI config access failed with %d\n", result); - return result; + return pcibios_err_to_errno(result); } int iosf_mbi_read(u8 port, u8 opcode, u32 offset, u32 *mdr) From d8571b9a83d140e0998bfd3bb28021ce07a56459 Mon Sep 17 00:00:00 2001 From: Wayne Tung Date: Mon, 1 Jul 2024 15:32:52 +0800 Subject: [PATCH 009/702] hwmon: (adt7475) Fix default duty on fan is disabled [ Upstream commit 39b24cced70fdc336dbc0070f8b3bde61d8513a8 ] According to the comments on fan is disabled, we change to manual mode and set the duty cycle to 0. For setting the duty cycle part, the register is wrong. Fix it. Fixes: 1c301fc5394f ("hwmon: Add a driver for the ADT7475 hardware monitoring chip") Signed-off-by: Wayne Tung Link: https://lore.kernel.org/r/20240701073252.317397-1-chineweff@gmail.com Signed-off-by: Guenter Roeck Signed-off-by: Sasha Levin --- drivers/hwmon/adt7475.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/hwmon/adt7475.c b/drivers/hwmon/adt7475.c index 22e314725def..b4c0f01f52c4 100644 --- a/drivers/hwmon/adt7475.c +++ b/drivers/hwmon/adt7475.c @@ -1770,7 +1770,7 @@ static void adt7475_read_pwm(struct i2c_client *client, int index) data->pwm[CONTROL][index] &= ~0xE0; data->pwm[CONTROL][index] |= (7 << 5); - i2c_smbus_write_byte_data(client, PWM_CONFIG_REG(index), + i2c_smbus_write_byte_data(client, PWM_REG(index), data->pwm[INPUT][index]); i2c_smbus_write_byte_data(client, PWM_CONFIG_REG(index), From ae8bd075a92166dc32cdb68bd5f8f1b32d7846a1 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Uwe=20Kleine-K=C3=B6nig?= Date: Wed, 3 Jul 2024 13:00:06 +0200 Subject: [PATCH 010/702] pwm: stm32: Always do lazy disabling MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit [ Upstream commit 7346e7a058a2c9aa9ff1cc699c7bf18a402d9f84 ] When the state changes from enabled to disabled, polarity, duty_cycle and period are not configured in hardware and TIM_CCER_CCxE is just cleared. However if the state changes from one disabled state to another, all parameters are written to hardware because the early exit from stm32_pwm_apply() is only taken if the pwm is currently enabled. This yields surprises like: Applying { .period = 1, .duty_cycle = 0, .enabled = false } succeeds if the pwm is initially on, but fails if it's already off because 1 is a too small period. Update the check for lazy disable to always exit early if the target state is disabled, no matter what is currently configured. Fixes: 7edf7369205b ("pwm: Add driver for STM32 plaftorm") Signed-off-by: Uwe Kleine-König Link: https://lore.kernel.org/r/20240703110010.672654-2-u.kleine-koenig@baylibre.com Signed-off-by: Uwe Kleine-König Signed-off-by: Sasha Levin --- drivers/pwm/pwm-stm32.c | 5 +++-- 1 file changed, 3 insertions(+), 2 deletions(-) diff --git a/drivers/pwm/pwm-stm32.c b/drivers/pwm/pwm-stm32.c index 3e5f1b622af8..7146b3f6755b 100644 --- a/drivers/pwm/pwm-stm32.c +++ b/drivers/pwm/pwm-stm32.c @@ -452,8 +452,9 @@ static int stm32_pwm_apply(struct pwm_chip *chip, struct pwm_device *pwm, enabled = pwm->state.enabled; - if (enabled && !state->enabled) { - stm32_pwm_disable(priv, pwm->hwpwm); + if (!state->enabled) { + if (enabled) + stm32_pwm_disable(priv, pwm->hwpwm); return 0; } From 15770a1476920c05abfa021e031f882d50d06d33 Mon Sep 17 00:00:00 2001 From: Guenter Roeck Date: Sat, 13 Jul 2024 14:26:19 -0700 Subject: [PATCH 011/702] hwmon: (max6697) Fix underflow when writing limit attributes [ Upstream commit cbf7467828cd4ec7ceac7a8b5b5ddb2f69f07b0e ] Using DIV_ROUND_CLOSEST() on an unbound value can result in underflows. Indeed, module test scripts report: temp1_max: Suspected underflow: [min=0, read 255000, written -9223372036854775808] temp1_crit: Suspected underflow: [min=0, read 255000, written -9223372036854775808] Fix by introducing an extra set of clamping. Fixes: 5372d2d71c46 ("hwmon: Driver for Maxim MAX6697 and compatibles") Reviewed-by: Tzung-Bi Shih Signed-off-by: Guenter Roeck Signed-off-by: Sasha Levin --- drivers/hwmon/max6697.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/hwmon/max6697.c b/drivers/hwmon/max6697.c index fc3241101178..3fa2a3b3c995 100644 --- a/drivers/hwmon/max6697.c +++ b/drivers/hwmon/max6697.c @@ -312,6 +312,7 @@ static ssize_t temp_store(struct device *dev, return ret; mutex_lock(&data->update_lock); + temp = clamp_val(temp, -1000000, 1000000); /* prevent underflow */ temp = DIV_ROUND_CLOSEST(temp, 1000) + data->temp_offset; temp = clamp_val(temp, 0, data->type == max6581 ? 255 : 127); data->temp[nr][index] = temp; From d3e6b30c9cf5d923f0c007d609bc0ae2911030a0 Mon Sep 17 00:00:00 2001 From: Guenter Roeck Date: Sat, 13 Jul 2024 12:03:53 -0700 Subject: [PATCH 012/702] hwmon: (max6697) Fix swapped temp{1,8} critical alarms [ Upstream commit 1ea3fd1eb9869fcdcbc9c68f9728bfc47b9503f1 ] The critical alarm bit for the local temperature sensor (temp1) is in bit 7 of register 0x45 (not bit 6), and the critical alarm bit for remote temperature sensor 7 (temp8) is in bit 6 (not bit 7). This only affects MAX6581 since all other chips supported by this driver do not support those critical alarms. Fixes: 5372d2d71c46 ("hwmon: Driver for Maxim MAX6697 and compatibles") Reviewed-by: Tzung-Bi Shih Signed-off-by: Guenter Roeck Signed-off-by: Sasha Levin --- drivers/hwmon/max6697.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/hwmon/max6697.c b/drivers/hwmon/max6697.c index 3fa2a3b3c995..7508d67c3dfb 100644 --- a/drivers/hwmon/max6697.c +++ b/drivers/hwmon/max6697.c @@ -430,14 +430,14 @@ static SENSOR_DEVICE_ATTR_RO(temp6_max_alarm, alarm, 20); static SENSOR_DEVICE_ATTR_RO(temp7_max_alarm, alarm, 21); static SENSOR_DEVICE_ATTR_RO(temp8_max_alarm, alarm, 23); -static SENSOR_DEVICE_ATTR_RO(temp1_crit_alarm, alarm, 14); +static SENSOR_DEVICE_ATTR_RO(temp1_crit_alarm, alarm, 15); static SENSOR_DEVICE_ATTR_RO(temp2_crit_alarm, alarm, 8); static SENSOR_DEVICE_ATTR_RO(temp3_crit_alarm, alarm, 9); static SENSOR_DEVICE_ATTR_RO(temp4_crit_alarm, alarm, 10); static SENSOR_DEVICE_ATTR_RO(temp5_crit_alarm, alarm, 11); static SENSOR_DEVICE_ATTR_RO(temp6_crit_alarm, alarm, 12); static SENSOR_DEVICE_ATTR_RO(temp7_crit_alarm, alarm, 13); -static SENSOR_DEVICE_ATTR_RO(temp8_crit_alarm, alarm, 15); +static SENSOR_DEVICE_ATTR_RO(temp8_crit_alarm, alarm, 14); static SENSOR_DEVICE_ATTR_RO(temp2_fault, alarm, 1); static SENSOR_DEVICE_ATTR_RO(temp3_fault, alarm, 2); From 39f4cb508ebf47efef6795f3a8135a384e283539 Mon Sep 17 00:00:00 2001 From: Dmitry Baryshkov Date: Wed, 1 May 2024 19:19:32 +0300 Subject: [PATCH 013/702] arm64: dts: qcom: sdm845: add power-domain to UFS PHY [ Upstream commit fd39ae8b9bc10419b1e4b849cdbc6755a967ade1 ] The UFS PHY is powered on via the UFS_PHY_GDSC power domain. Add corresponding power-domain the the PHY node. Fixes: cc16687fbd74 ("arm64: dts: qcom: sdm845: add UFS controller") Signed-off-by: Dmitry Baryshkov Reviewed-by: Konrad Dybcio Link: https://lore.kernel.org/r/20240501-qcom-phy-fixes-v1-6-f1fd15c33fb3@linaro.org Signed-off-by: Bjorn Andersson Signed-off-by: Sasha Levin --- arch/arm64/boot/dts/qcom/sdm845.dtsi | 2 ++ 1 file changed, 2 insertions(+) diff --git a/arch/arm64/boot/dts/qcom/sdm845.dtsi b/arch/arm64/boot/dts/qcom/sdm845.dtsi index b00f6d8bc8ba..da48ae60155a 100644 --- a/arch/arm64/boot/dts/qcom/sdm845.dtsi +++ b/arch/arm64/boot/dts/qcom/sdm845.dtsi @@ -2125,6 +2125,8 @@ ufs_mem_phy: phy@1d87000 { clocks = <&gcc GCC_UFS_MEM_CLKREF_CLK>, <&gcc GCC_UFS_PHY_PHY_AUX_CLK>; + power-domains = <&gcc UFS_PHY_GDSC>; + resets = <&ufs_mem_hc 0>; reset-names = "ufsphy"; status = "disabled"; From eedd9fd986415b3cc62b96876ad5d41d3ed56127 Mon Sep 17 00:00:00 2001 From: Stephen Boyd Date: Thu, 9 May 2024 11:41:28 -0700 Subject: [PATCH 014/702] soc: qcom: rpmh-rsc: Ensure irqs aren't disabled by rpmh_rsc_send_data() callers [ Upstream commit e43111f52b9ec5c2d700f89a1d61c8d10dc2d9e9 ] Dan pointed out that Smatch is concerned about this code because it uses spin_lock_irqsave() and then calls wait_event_lock_irq() which enables irqs before going to sleep. The comment above the function says it should be called with interrupts enabled, but we simply hope that's true without really confirming that. Let's add a might_sleep() here to confirm that interrupts and preemption aren't disabled. Once we do that, we can change the lock to be non-saving, spin_lock_irq(), to clarify that we don't expect irqs to be disabled. If irqs are disabled by callers they're going to be enabled anyway in the wait_event_lock_irq() call which would be bad. This should make Smatch happier and find bad callers faster with the might_sleep(). We can drop the WARN_ON() in the caller because we have the might_sleep() now, simplifying the code. Reported-by: Dan Carpenter Closes: https://lore.kernel.org/r/911181ed-c430-4592-ad26-4dc948834e08@moroto.mountain Fixes: 2bc20f3c8487 ("soc: qcom: rpmh-rsc: Sleep waiting for tcs slots to be free") Cc: Douglas Anderson Signed-off-by: Stephen Boyd Reviewed-by: Douglas Anderson Link: https://lore.kernel.org/r/20240509184129.3924422-1-swboyd@chromium.org Signed-off-by: Bjorn Andersson Signed-off-by: Sasha Levin --- drivers/soc/qcom/rpmh-rsc.c | 7 ++++--- drivers/soc/qcom/rpmh.c | 1 - 2 files changed, 4 insertions(+), 4 deletions(-) diff --git a/drivers/soc/qcom/rpmh-rsc.c b/drivers/soc/qcom/rpmh-rsc.c index a297911afe57..26e6dd860b5d 100644 --- a/drivers/soc/qcom/rpmh-rsc.c +++ b/drivers/soc/qcom/rpmh-rsc.c @@ -629,13 +629,14 @@ int rpmh_rsc_send_data(struct rsc_drv *drv, const struct tcs_request *msg) { struct tcs_group *tcs; int tcs_id; - unsigned long flags; + + might_sleep(); tcs = get_tcs_for_msg(drv, msg); if (IS_ERR(tcs)) return PTR_ERR(tcs); - spin_lock_irqsave(&drv->lock, flags); + spin_lock_irq(&drv->lock); /* Wait forever for a free tcs. It better be there eventually! */ wait_event_lock_irq(drv->tcs_wait, @@ -654,7 +655,7 @@ int rpmh_rsc_send_data(struct rsc_drv *drv, const struct tcs_request *msg) write_tcs_reg_sync(drv, RSC_DRV_CMD_WAIT_FOR_CMPL, tcs_id, 0); enable_tcs_irq(drv, tcs_id, true); } - spin_unlock_irqrestore(&drv->lock, flags); + spin_unlock_irq(&drv->lock); /* * These two can be done after the lock is released because: diff --git a/drivers/soc/qcom/rpmh.c b/drivers/soc/qcom/rpmh.c index b61e183ede69..707e176ed4ed 100644 --- a/drivers/soc/qcom/rpmh.c +++ b/drivers/soc/qcom/rpmh.c @@ -193,7 +193,6 @@ static int __rpmh_write(const struct device *dev, enum rpmh_state state, rpm_msg->msg.state = state; if (state == RPMH_ACTIVE_ONLY_STATE) { - WARN_ON(irqs_disabled()); ret = rpmh_rsc_send_data(ctrlr_to_drv(ctrlr), &rpm_msg->msg); } else { /* Clean up our call by spoofing tx_done */ From a584e5d3f7d909769a03f6b63d301f39accb1e6e Mon Sep 17 00:00:00 2001 From: Dmitry Baryshkov Date: Mon, 8 Apr 2024 03:04:31 +0300 Subject: [PATCH 015/702] arm64: dts: qcom: msm8996: specify UFS core_clk frequencies [ Upstream commit 02f838b7f8cdfb7a96b7f08e7f6716f230bdecba ] Follow the example of other platforms and specify core_clk frequencies in the frequency table in addition to the core_clk_src frequencies. The driver should be setting the leaf frequency instead of some interim clock freq. Suggested-by: Nitin Rawat Fixes: 57fc67ef0d35 ("arm64: dts: qcom: msm8996: Add ufs related nodes") Reviewed-by: Konrad Dybcio Reviewed-by: Manivannan Sadhasivam Signed-off-by: Dmitry Baryshkov Link: https://lore.kernel.org/r/20240408-msm8996-fix-ufs-v4-1-ee1a28bf8579@linaro.org Signed-off-by: Bjorn Andersson Signed-off-by: Sasha Levin --- arch/arm64/boot/dts/qcom/msm8996.dtsi | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/arch/arm64/boot/dts/qcom/msm8996.dtsi b/arch/arm64/boot/dts/qcom/msm8996.dtsi index e990e727cc0f..118fd1e47d5c 100644 --- a/arch/arm64/boot/dts/qcom/msm8996.dtsi +++ b/arch/arm64/boot/dts/qcom/msm8996.dtsi @@ -927,7 +927,7 @@ ufshc: ufshc@624000 { <&gcc GCC_UFS_RX_SYMBOL_0_CLK>; freq-table-hz = <100000000 200000000>, - <0 0>, + <100000000 200000000>, <0 0>, <0 0>, <0 0>, From eab05737ee22216250fe20d27f5a596da5ea6eb7 Mon Sep 17 00:00:00 2001 From: Dmitry Baryshkov Date: Sat, 22 Jun 2024 01:03:40 +0300 Subject: [PATCH 016/702] soc: qcom: pdr: protect locator_addr with the main mutex [ Upstream commit 107924c14e3ddd85119ca43c26a4ee1056fa9b84 ] If the service locator server is restarted fast enough, the PDR can rewrite locator_addr fields concurrently. Protect them by placing modification of those fields under the main pdr->lock. Fixes: fbe639b44a82 ("soc: qcom: Introduce Protection Domain Restart helpers") Tested-by: Neil Armstrong # on SM8550-QRD Tested-by: Steev Klimaszewski Tested-by: Alexey Minnekhanov Signed-off-by: Dmitry Baryshkov Link: https://lore.kernel.org/r/20240622-qcom-pd-mapper-v9-1-a84ee3591c8e@linaro.org Signed-off-by: Bjorn Andersson Signed-off-by: Sasha Levin --- drivers/soc/qcom/pdr_interface.c | 6 ++++-- 1 file changed, 4 insertions(+), 2 deletions(-) diff --git a/drivers/soc/qcom/pdr_interface.c b/drivers/soc/qcom/pdr_interface.c index 205cc96823b7..373725b6d544 100644 --- a/drivers/soc/qcom/pdr_interface.c +++ b/drivers/soc/qcom/pdr_interface.c @@ -76,12 +76,12 @@ static int pdr_locator_new_server(struct qmi_handle *qmi, locator_hdl); struct pdr_service *pds; + mutex_lock(&pdr->lock); /* Create a local client port for QMI communication */ pdr->locator_addr.sq_family = AF_QIPCRTR; pdr->locator_addr.sq_node = svc->node; pdr->locator_addr.sq_port = svc->port; - mutex_lock(&pdr->lock); pdr->locator_init_complete = true; mutex_unlock(&pdr->lock); @@ -104,10 +104,10 @@ static void pdr_locator_del_server(struct qmi_handle *qmi, mutex_lock(&pdr->lock); pdr->locator_init_complete = false; - mutex_unlock(&pdr->lock); pdr->locator_addr.sq_node = 0; pdr->locator_addr.sq_port = 0; + mutex_unlock(&pdr->lock); } static struct qmi_ops pdr_locator_ops = { @@ -366,12 +366,14 @@ static int pdr_get_domain_list(struct servreg_get_domain_list_req *req, if (ret < 0) return ret; + mutex_lock(&pdr->lock); ret = qmi_send_request(&pdr->locator_hdl, &pdr->locator_addr, &txn, SERVREG_GET_DOMAIN_LIST_REQ, SERVREG_GET_DOMAIN_LIST_REQ_MAX_LEN, servreg_get_domain_list_req_ei, req); + mutex_unlock(&pdr->lock); if (ret < 0) { qmi_txn_cancel(&txn); return ret; From 5cc525351b0ca5f436366ff145e9de0459e615ce Mon Sep 17 00:00:00 2001 From: Dmitry Baryshkov Date: Sat, 22 Jun 2024 01:03:41 +0300 Subject: [PATCH 017/702] soc: qcom: pdr: fix parsing of domains lists [ Upstream commit 57f20d51f35780f240ecf39d81cda23612800a92 ] While parsing the domains list, start offsets from 0 rather than from domains_read. The domains_read is equal to the total count of the domains we have seen, while the domains list in the message starts from offset 0. Fixes: fbe639b44a82 ("soc: qcom: Introduce Protection Domain Restart helpers") Tested-by: Steev Klimaszewski Tested-by: Alexey Minnekhanov Reviewed-by: Chris Lew Tested-by: Neil Armstrong # on SM8550-QRD Signed-off-by: Dmitry Baryshkov Link: https://lore.kernel.org/r/20240622-qcom-pd-mapper-v9-2-a84ee3591c8e@linaro.org Signed-off-by: Bjorn Andersson Signed-off-by: Sasha Levin --- drivers/soc/qcom/pdr_interface.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/soc/qcom/pdr_interface.c b/drivers/soc/qcom/pdr_interface.c index 373725b6d544..6e3cbd822663 100644 --- a/drivers/soc/qcom/pdr_interface.c +++ b/drivers/soc/qcom/pdr_interface.c @@ -418,7 +418,7 @@ static int pdr_locate_service(struct pdr_handle *pdr, struct pdr_service *pds) if (ret < 0) goto out; - for (i = domains_read; i < resp->domain_list_len; i++) { + for (i = 0; i < resp->domain_list_len; i++) { entry = &resp->domain_list[i]; if (strnlen(entry->name, sizeof(entry->name)) == sizeof(entry->name)) From 31a9a0958b157b4fd1e4d3c55fa6eec498a45b81 Mon Sep 17 00:00:00 2001 From: Jonas Karlman Date: Sat, 15 Jun 2024 17:03:52 +0000 Subject: [PATCH 018/702] arm64: dts: rockchip: Increase VOP clk rate on RK3328 [ Upstream commit 0f2ddb128fa20f8441d903285632f2c69e90fae1 ] The VOP on RK3328 needs to run at a higher rate in order to produce a proper 3840x2160 signal. Change to use 300MHz for VIO clk and 400MHz for VOP clk, same rates used by vendor 4.4 kernel. Fixes: 52e02d377a72 ("arm64: dts: rockchip: add core dtsi file for RK3328 SoCs") Signed-off-by: Jonas Karlman Link: https://lore.kernel.org/r/20240615170417.3134517-2-jonas@kwiboo.se Signed-off-by: Heiko Stuebner Signed-off-by: Sasha Levin --- arch/arm64/boot/dts/rockchip/rk3328.dtsi | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/arch/arm64/boot/dts/rockchip/rk3328.dtsi b/arch/arm64/boot/dts/rockchip/rk3328.dtsi index 10df6636a6b6..3c6398e98f76 100644 --- a/arch/arm64/boot/dts/rockchip/rk3328.dtsi +++ b/arch/arm64/boot/dts/rockchip/rk3328.dtsi @@ -811,8 +811,8 @@ cru: clock-controller@ff440000 { <0>, <24000000>, <24000000>, <24000000>, <15000000>, <15000000>, - <100000000>, <100000000>, - <100000000>, <100000000>, + <300000000>, <100000000>, + <400000000>, <100000000>, <50000000>, <100000000>, <100000000>, <100000000>, <50000000>, <50000000>, From bbfa9a71ae4afd393afc31e106c977cfc87a2304 Mon Sep 17 00:00:00 2001 From: Marco Felsch Date: Tue, 26 Jul 2022 15:05:20 +0200 Subject: [PATCH 019/702] ARM: dts: imx6qdl-kontron-samx6i: move phy reset into phy-node [ Upstream commit 5694eed98cca5c164ebb5b831b65b4c9eee4b2d5 ] Add ethernet-phy node so we can drop the deprecated fec phy-reset-gpios property. The reset-assert-us value is taken from the existing logic since the fec driver will add an 1ms assert delay per default if phy-reset-gpios is used and phy-reset-duration is not specified. Signed-off-by: Marco Felsch Signed-off-by: Shawn Guo Stable-dep-of: edfea889a049 ("ARM: dts: imx6qdl-kontron-samx6i: fix PHY reset") Signed-off-by: Sasha Levin --- arch/arm/boot/dts/imx6qdl-kontron-samx6i.dtsi | 14 +++++++++++++- 1 file changed, 13 insertions(+), 1 deletion(-) diff --git a/arch/arm/boot/dts/imx6qdl-kontron-samx6i.dtsi b/arch/arm/boot/dts/imx6qdl-kontron-samx6i.dtsi index 37d94aa45a8b..e2b7bfddedcd 100644 --- a/arch/arm/boot/dts/imx6qdl-kontron-samx6i.dtsi +++ b/arch/arm/boot/dts/imx6qdl-kontron-samx6i.dtsi @@ -260,7 +260,19 @@ &fec { pinctrl-names = "default"; pinctrl-0 = <&pinctrl_enet>; phy-mode = "rgmii"; - phy-reset-gpios = <&gpio1 25 GPIO_ACTIVE_LOW>; + phy-handle = <ðphy>; + + mdio { + #address-cells = <1>; + #size-cells = <0>; + + ethphy: ethernet-phy@1 { + compatible = "ethernet-phy-ieee802.3-c22"; + reg = <1>; + reset-gpios = <&gpio1 25 GPIO_ACTIVE_LOW>; + reset-assert-us = <1000>; + }; + }; }; &i2c_intern { From efd89b5db5be106c7f59de8867008944a72920f1 Mon Sep 17 00:00:00 2001 From: Michael Walle Date: Mon, 17 Jun 2024 11:13:30 +0200 Subject: [PATCH 020/702] ARM: dts: imx6qdl-kontron-samx6i: fix PHY reset [ Upstream commit edfea889a049abe80f0d55c0365bf60fbade272f ] The PHY reset line is connected to both the SoC (GPIO1_25) and the CPLD. We must not use the GPIO1_25 as it will drive against the output buffer of the CPLD. Instead there is another GPIO (GPIO2_01), an input to the CPLD, which will tell the CPLD to assert the PHY reset line. Fixes: 2a51f9dae13d ("ARM: dts: imx6qdl-kontron-samx6i: Add iMX6-based Kontron SMARC-sAMX6i module") Fixes: 5694eed98cca ("ARM: dts: imx6qdl-kontron-samx6i: move phy reset into phy-node") Signed-off-by: Michael Walle Signed-off-by: Shawn Guo Signed-off-by: Sasha Levin --- arch/arm/boot/dts/imx6qdl-kontron-samx6i.dtsi | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/arch/arm/boot/dts/imx6qdl-kontron-samx6i.dtsi b/arch/arm/boot/dts/imx6qdl-kontron-samx6i.dtsi index e2b7bfddedcd..cf001c251fe3 100644 --- a/arch/arm/boot/dts/imx6qdl-kontron-samx6i.dtsi +++ b/arch/arm/boot/dts/imx6qdl-kontron-samx6i.dtsi @@ -269,7 +269,7 @@ mdio { ethphy: ethernet-phy@1 { compatible = "ethernet-phy-ieee802.3-c22"; reg = <1>; - reset-gpios = <&gpio1 25 GPIO_ACTIVE_LOW>; + reset-gpios = <&gpio2 1 GPIO_ACTIVE_LOW>; reset-assert-us = <1000>; }; }; @@ -512,7 +512,7 @@ MX6QDL_PAD_RGMII_RX_CTL__RGMII_RX_CTL 0x1b0b0 MX6QDL_PAD_ENET_MDIO__ENET_MDIO 0x1b0b0 MX6QDL_PAD_ENET_MDC__ENET_MDC 0x1b0b0 MX6QDL_PAD_ENET_REF_CLK__ENET_TX_CLK 0x1b0b0 - MX6QDL_PAD_ENET_CRS_DV__GPIO1_IO25 0x1b0b0 /* RST_GBE0_PHY# */ + MX6QDL_PAD_NANDF_D1__GPIO2_IO01 0x1b0b0 /* RST_GBE0_PHY# */ >; }; From c79a7cad4115b47257643f0df54b65d0e2e24dd4 Mon Sep 17 00:00:00 2001 From: Michael Walle Date: Mon, 17 Jun 2024 11:13:31 +0200 Subject: [PATCH 021/702] ARM: dts: imx6qdl-kontron-samx6i: fix board reset [ Upstream commit b972d6b3b46345023aee56a95df8e2c137aa4ee4 ] On i.MX6 the board is reset by the watchdog. But in turn to do a complete board reset, we have to assert the WDOG_B output which is routed also to the CPLD which then do a complete power-cycle of the board. Fixes: 2125212785c9 ("ARM: dts: imx6qdl-kontron-samx6i: add Kontron SMARC SoM Support") Signed-off-by: Michael Walle Signed-off-by: Shawn Guo Signed-off-by: Sasha Levin --- arch/arm/boot/dts/imx6qdl-kontron-samx6i.dtsi | 1 + 1 file changed, 1 insertion(+) diff --git a/arch/arm/boot/dts/imx6qdl-kontron-samx6i.dtsi b/arch/arm/boot/dts/imx6qdl-kontron-samx6i.dtsi index cf001c251fe3..8eda848e9f0e 100644 --- a/arch/arm/boot/dts/imx6qdl-kontron-samx6i.dtsi +++ b/arch/arm/boot/dts/imx6qdl-kontron-samx6i.dtsi @@ -813,5 +813,6 @@ &wdog1 { /* CPLD is feeded by watchdog (hardwired) */ pinctrl-names = "default"; pinctrl-0 = <&pinctrl_wdog1>; + fsl,ext-reset-output; status = "okay"; }; From a992c88fbb8c93757713feba749fd6613d79d829 Mon Sep 17 00:00:00 2001 From: Michael Walle Date: Mon, 17 Jun 2024 11:13:33 +0200 Subject: [PATCH 022/702] ARM: dts: imx6qdl-kontron-samx6i: fix SPI0 chip selects [ Upstream commit 74e1c956a68a65d642447d852e95b3fbb69bebaa ] There is a comment in the imx6q variant dtsi claiming that these modules will have one more chip select than the imx6dl variant. This is wrong. Ordinary GPIOs are used for chip selects and both variants of the module share the very same PCB and both have this GPIO routed to the SPI0_CS1# pin of the SMARC connector. Fix it by moving the third chip select description to the common dtsi. Fixes: 2125212785c9 ("ARM: dts: imx6qdl-kontron-samx6i: add Kontron SMARC SoM Support") Signed-off-by: Michael Walle Signed-off-by: Shawn Guo Signed-off-by: Sasha Levin --- arch/arm/boot/dts/imx6q-kontron-samx6i.dtsi | 23 ------------------- arch/arm/boot/dts/imx6qdl-kontron-samx6i.dtsi | 5 +++- 2 files changed, 4 insertions(+), 24 deletions(-) diff --git a/arch/arm/boot/dts/imx6q-kontron-samx6i.dtsi b/arch/arm/boot/dts/imx6q-kontron-samx6i.dtsi index 4d6a0c3e8455..ff062f4fd726 100644 --- a/arch/arm/boot/dts/imx6q-kontron-samx6i.dtsi +++ b/arch/arm/boot/dts/imx6q-kontron-samx6i.dtsi @@ -5,31 +5,8 @@ #include "imx6q.dtsi" #include "imx6qdl-kontron-samx6i.dtsi" -#include / { model = "Kontron SMARC sAMX6i Quad/Dual"; compatible = "kontron,imx6q-samx6i", "fsl,imx6q"; }; - -/* Quad/Dual SoMs have 3 chip-select signals */ -&ecspi4 { - cs-gpios = <&gpio3 24 GPIO_ACTIVE_LOW>, - <&gpio3 29 GPIO_ACTIVE_LOW>, - <&gpio3 25 GPIO_ACTIVE_LOW>; -}; - -&pinctrl_ecspi4 { - fsl,pins = < - MX6QDL_PAD_EIM_D21__ECSPI4_SCLK 0x100b1 - MX6QDL_PAD_EIM_D28__ECSPI4_MOSI 0x100b1 - MX6QDL_PAD_EIM_D22__ECSPI4_MISO 0x100b1 - - /* SPI4_IMX_CS2# - connected to internal flash */ - MX6QDL_PAD_EIM_D24__GPIO3_IO24 0x1b0b0 - /* SPI4_IMX_CS0# - connected to SMARC SPI0_CS0# */ - MX6QDL_PAD_EIM_D29__GPIO3_IO29 0x1b0b0 - /* SPI4_CS3# - connected to SMARC SPI0_CS1# */ - MX6QDL_PAD_EIM_D25__GPIO3_IO25 0x1b0b0 - >; -}; diff --git a/arch/arm/boot/dts/imx6qdl-kontron-samx6i.dtsi b/arch/arm/boot/dts/imx6qdl-kontron-samx6i.dtsi index 8eda848e9f0e..115084500c37 100644 --- a/arch/arm/boot/dts/imx6qdl-kontron-samx6i.dtsi +++ b/arch/arm/boot/dts/imx6qdl-kontron-samx6i.dtsi @@ -244,7 +244,8 @@ &ecspi4 { pinctrl-names = "default"; pinctrl-0 = <&pinctrl_ecspi4>; cs-gpios = <&gpio3 24 GPIO_ACTIVE_LOW>, - <&gpio3 29 GPIO_ACTIVE_LOW>; + <&gpio3 29 GPIO_ACTIVE_LOW>, + <&gpio3 25 GPIO_ACTIVE_LOW>; status = "okay"; /* default boot source: workaround #1 for errata ERR006282 */ @@ -460,6 +461,8 @@ MX6QDL_PAD_EIM_D22__ECSPI4_MISO 0x100b1 MX6QDL_PAD_EIM_D24__GPIO3_IO24 0x1b0b0 /* SPI_IMX_CS0# - connected to SMARC SPI0_CS0# */ MX6QDL_PAD_EIM_D29__GPIO3_IO29 0x1b0b0 + /* SPI4_CS3# - connected to SMARC SPI0_CS1# */ + MX6QDL_PAD_EIM_D25__GPIO3_IO25 0x1b0b0 >; }; From b1e9396ac410ad4c15f738a2ad2aa993ff96229f Mon Sep 17 00:00:00 2001 From: Michael Walle Date: Mon, 17 Jun 2024 11:13:38 +0200 Subject: [PATCH 023/702] ARM: dts: imx6qdl-kontron-samx6i: fix PCIe reset polarity [ Upstream commit df35c6e9027cf9affe699e632a48082ab1bbba4c ] The PCIe reset line is active low. Fix it. Fixes: 2a51f9dae13d ("ARM: dts: imx6qdl-kontron-samx6i: Add iMX6-based Kontron SMARC-sAMX6i module") Signed-off-by: Michael Walle Signed-off-by: Shawn Guo Signed-off-by: Sasha Levin --- arch/arm/boot/dts/imx6qdl-kontron-samx6i.dtsi | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/arch/arm/boot/dts/imx6qdl-kontron-samx6i.dtsi b/arch/arm/boot/dts/imx6qdl-kontron-samx6i.dtsi index 115084500c37..9ec1519e1719 100644 --- a/arch/arm/boot/dts/imx6qdl-kontron-samx6i.dtsi +++ b/arch/arm/boot/dts/imx6qdl-kontron-samx6i.dtsi @@ -728,7 +728,7 @@ &pcie { pinctrl-names = "default"; pinctrl-0 = <&pinctrl_pcie>; wake-up-gpio = <&gpio6 18 GPIO_ACTIVE_HIGH>; - reset-gpio = <&gpio3 13 GPIO_ACTIVE_HIGH>; + reset-gpio = <&gpio3 13 GPIO_ACTIVE_LOW>; }; /* LCD_BKLT_PWM */ From be5ca4064751858371d00121afaed5140e5ad38d Mon Sep 17 00:00:00 2001 From: Chen-Yu Tsai Date: Fri, 12 Apr 2024 15:56:12 +0800 Subject: [PATCH 024/702] arm64: dts: mediatek: mt8183-kukui: Drop bogus output-enable property [ Upstream commit e9a9055fdcdc1e5a27cef118c5b4f09cdd2fa28e ] The "output-enable" property is set on uart1's RTS pin. This is bogus because the hardware does not actually have a controllable output buffer. Secondly, the implementation incorrectly treats this property as a request to switch the pin to GPIO output. This does not fit the intended semantic of "output-enable" and it does not have any affect either because the pin is muxed to the UART function, not the GPIO function. Drop the property. Fixes: cd894e274b74 ("arm64: dts: mt8183: Add krane-sku176 board") Signed-off-by: Chen-Yu Tsai Link: https://lore.kernel.org/r/20240412075613.1200048-1-wenst@chromium.org Signed-off-by: AngeloGioacchino Del Regno Signed-off-by: Sasha Levin --- arch/arm64/boot/dts/mediatek/mt8183-kukui.dtsi | 2 -- 1 file changed, 2 deletions(-) diff --git a/arch/arm64/boot/dts/mediatek/mt8183-kukui.dtsi b/arch/arm64/boot/dts/mediatek/mt8183-kukui.dtsi index a4f860bb4a84..ad8b11267c7d 100644 --- a/arch/arm64/boot/dts/mediatek/mt8183-kukui.dtsi +++ b/arch/arm64/boot/dts/mediatek/mt8183-kukui.dtsi @@ -628,7 +628,6 @@ pins_tx { }; pins_rts { pinmux = ; - output-enable; }; pins_cts { pinmux = ; @@ -647,7 +646,6 @@ pins_tx { }; pins_rts { pinmux = ; - output-enable; }; pins_cts { pinmux = ; From 4745535fce11f688c00e4dea2fae0b51373e20ac Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Rafa=C5=82=20Mi=C5=82ecki?= Date: Tue, 4 Jun 2024 09:49:16 +0200 Subject: [PATCH 025/702] arm64: dts: mediatek: mt7622: fix "emmc" pinctrl mux MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit [ Upstream commit aebba1030a5766cdf894ed4ab0cac7aed5aee9c1 ] Value "emmc_rst" is a group name and should be part of the "groups" property. This fixes: arch/arm64/boot/dts/mediatek/mt7622-rfb1.dtb: pinctrl@10211000: emmc-pins-default:mux:function: ['emmc', 'emmc_rst'] is too long from schema $id: http://devicetree.org/schemas/pinctrl/mediatek,mt7622-pinctrl.yaml# arch/arm64/boot/dts/mediatek/mt7622-bananapi-bpi-r64.dtb: pinctrl@10211000: emmc-pins-default:mux:function: ['emmc', 'emmc_rst'] is too long from schema $id: http://devicetree.org/schemas/pinctrl/mediatek,mt7622-pinctrl.yaml# Fixes: 3725ba3f5574 ("arm64: dts: mt7622: add pinctrl related device nodes") Fixes: 0b6286dd96c0 ("arm64: dts: mt7622: add bananapi BPI-R64 board") Signed-off-by: Rafał Miłecki Reviewed-by: AngeloGioacchino Del Regno Link: https://lore.kernel.org/r/20240604074916.7929-1-zajec5@gmail.com Signed-off-by: AngeloGioacchino Del Regno Signed-off-by: Sasha Levin --- arch/arm64/boot/dts/mediatek/mt7622-bananapi-bpi-r64.dts | 4 ++-- arch/arm64/boot/dts/mediatek/mt7622-rfb1.dts | 4 ++-- 2 files changed, 4 insertions(+), 4 deletions(-) diff --git a/arch/arm64/boot/dts/mediatek/mt7622-bananapi-bpi-r64.dts b/arch/arm64/boot/dts/mediatek/mt7622-bananapi-bpi-r64.dts index 778174a7d649..46e412b436ed 100644 --- a/arch/arm64/boot/dts/mediatek/mt7622-bananapi-bpi-r64.dts +++ b/arch/arm64/boot/dts/mediatek/mt7622-bananapi-bpi-r64.dts @@ -285,8 +285,8 @@ asm_sel { /* eMMC is shared pin with parallel NAND */ emmc_pins_default: emmc-pins-default { mux { - function = "emmc", "emmc_rst"; - groups = "emmc"; + function = "emmc"; + groups = "emmc", "emmc_rst"; }; /* "NDL0","NDL1","NDL2","NDL3","NDL4","NDL5","NDL6","NDL7", diff --git a/arch/arm64/boot/dts/mediatek/mt7622-rfb1.dts b/arch/arm64/boot/dts/mediatek/mt7622-rfb1.dts index 810575de6670..5dd993496a5c 100644 --- a/arch/arm64/boot/dts/mediatek/mt7622-rfb1.dts +++ b/arch/arm64/boot/dts/mediatek/mt7622-rfb1.dts @@ -249,8 +249,8 @@ &pio { /* eMMC is shared pin with parallel NAND */ emmc_pins_default: emmc-pins-default { mux { - function = "emmc", "emmc_rst"; - groups = "emmc"; + function = "emmc"; + groups = "emmc", "emmc_rst"; }; /* "NDL0","NDL1","NDL2","NDL3","NDL4","NDL5","NDL6","NDL7", From e04654f42577a2733e6cdc5e5c4490bfc1d77188 Mon Sep 17 00:00:00 2001 From: Jerome Brunet Date: Wed, 26 Jun 2024 17:27:30 +0200 Subject: [PATCH 026/702] arm64: dts: amlogic: gx: correct hdmi clocks [ Upstream commit 0602ba0dcd0e76067a0b7543e92b2de3fb231073 ] The clocks provided to HDMI tx are not consistent between gx and g12: * gx receives the peripheral clock as 'isfr' while g12 receives it as 'iahb' * g12 gets the HDMI system clock as 'isfr' but gx does not even get it. It surely needs that clock since the driver is directly poking around the clock controller's registers for that clock. Align gx SoCs with g12 and provide: * the HDMI peripheral clock as 'iahb' * the HDMI system clock as 'isfr' Fixes: 6939db7e0dbf ("ARM64: dts: meson-gx: Add support for HDMI output") Signed-off-by: Jerome Brunet Link: https://lore.kernel.org/r/20240626152733.1350376-2-jbrunet@baylibre.com Signed-off-by: Neil Armstrong Signed-off-by: Sasha Levin --- arch/arm64/boot/dts/amlogic/meson-gxbb.dtsi | 4 ++-- arch/arm64/boot/dts/amlogic/meson-gxl.dtsi | 4 ++-- 2 files changed, 4 insertions(+), 4 deletions(-) diff --git a/arch/arm64/boot/dts/amlogic/meson-gxbb.dtsi b/arch/arm64/boot/dts/amlogic/meson-gxbb.dtsi index 7c029f552a23..256c46771db7 100644 --- a/arch/arm64/boot/dts/amlogic/meson-gxbb.dtsi +++ b/arch/arm64/boot/dts/amlogic/meson-gxbb.dtsi @@ -311,8 +311,8 @@ &hdmi_tx { <&reset RESET_HDMI_SYSTEM_RESET>, <&reset RESET_HDMI_TX>; reset-names = "hdmitx_apb", "hdmitx", "hdmitx_phy"; - clocks = <&clkc CLKID_HDMI_PCLK>, - <&clkc CLKID_CLK81>, + clocks = <&clkc CLKID_HDMI>, + <&clkc CLKID_HDMI_PCLK>, <&clkc CLKID_GCLK_VENCI_INT0>; clock-names = "isfr", "iahb", "venci"; }; diff --git a/arch/arm64/boot/dts/amlogic/meson-gxl.dtsi b/arch/arm64/boot/dts/amlogic/meson-gxl.dtsi index 350022935052..a689bd14ece9 100644 --- a/arch/arm64/boot/dts/amlogic/meson-gxl.dtsi +++ b/arch/arm64/boot/dts/amlogic/meson-gxl.dtsi @@ -323,8 +323,8 @@ &hdmi_tx { <&reset RESET_HDMI_SYSTEM_RESET>, <&reset RESET_HDMI_TX>; reset-names = "hdmitx_apb", "hdmitx", "hdmitx_phy"; - clocks = <&clkc CLKID_HDMI_PCLK>, - <&clkc CLKID_CLK81>, + clocks = <&clkc CLKID_HDMI>, + <&clkc CLKID_HDMI_PCLK>, <&clkc CLKID_GCLK_VENCI_INT0>; clock-names = "isfr", "iahb", "venci"; }; From 4a49ce2d63d5f4d87c56664a9807d91bbd75e88f Mon Sep 17 00:00:00 2001 From: Eero Tamminen Date: Mon, 24 Jun 2024 17:49:01 +0300 Subject: [PATCH 027/702] m68k: atari: Fix TT bootup freeze / unexpected (SCU) interrupt messages MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit [ Upstream commit f70065a9fd988983b2c693631b801f25a615fc04 ] Avoid freeze on Atari TT / MegaSTe boot with continuous messages of: unexpected interrupt from 112 Which was due to VBL interrupt being enabled in SCU sys mask, but there being no handler for that any more. (Bug and fix were first verified on real Atari TT HW by Christian, this patch later on in Hatari emulator.) Fixes: 1fa0b29f3a43f9dd ("fbdev: Kill Atari vblank cursor blinking") Reported-by: Nicolas Pomarède Closes: https://listengine.tuxfamily.org/lists.tuxfamily.org/hatari-devel/2024/06/msg00016.html Closes: https://lore.kernel.org/all/9aa793d7-82ed-4fbd-bce5-60810d8a9119@helsinkinet.fi Tested-by: Christian Zietz Signed-off-by: Eero Tamminen Reviewed-by: Michael Schmitz Reviewed-by: Geert Uytterhoeven Link: https://lore.kernel.org/20240624144901.5236-1-oak@helsinkinet.fi Signed-off-by: Geert Uytterhoeven Signed-off-by: Sasha Levin --- arch/m68k/atari/ataints.c | 6 +----- 1 file changed, 1 insertion(+), 5 deletions(-) diff --git a/arch/m68k/atari/ataints.c b/arch/m68k/atari/ataints.c index 56f02ea2c248..715d1e0d973e 100644 --- a/arch/m68k/atari/ataints.c +++ b/arch/m68k/atari/ataints.c @@ -302,11 +302,7 @@ void __init atari_init_IRQ(void) if (ATARIHW_PRESENT(SCU)) { /* init the SCU if present */ - tt_scu.sys_mask = 0x10; /* enable VBL (for the cursor) and - * disable HSYNC interrupts (who - * needs them?) MFP and SCC are - * enabled in VME mask - */ + tt_scu.sys_mask = 0x0; /* disable all interrupts */ tt_scu.vme_mask = 0x60; /* enable MFP and SCC ints */ } else { /* If no SCU and no Hades, the HSYNC interrupt needs to be From ba1d2ecfcf1b959819794a4c3012e144e7903127 Mon Sep 17 00:00:00 2001 From: Chen Ni Date: Tue, 2 Jul 2024 11:10:10 +0800 Subject: [PATCH 028/702] x86/xen: Convert comma to semicolon [ Upstream commit 349d271416c61f82b853336509b1d0dc04c1fcbb ] Replace a comma between expression statements by a semicolon. Fixes: 8310b77b48c5 ("Xen/gnttab: handle p2m update errors on a per-slot basis") Signed-off-by: Chen Ni Reviewed-by: Juergen Gross Link: https://lore.kernel.org/r/20240702031010.1411875-1-nichen@iscas.ac.cn Signed-off-by: Juergen Gross Signed-off-by: Sasha Levin --- arch/x86/xen/p2m.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/arch/x86/xen/p2m.c b/arch/x86/xen/p2m.c index e809f1446846..bfa972f7e874 100644 --- a/arch/x86/xen/p2m.c +++ b/arch/x86/xen/p2m.c @@ -736,7 +736,7 @@ int set_foreign_p2m_mapping(struct gnttab_map_grant_ref *map_ops, * immediate unmapping. */ map_ops[i].status = GNTST_general_error; - unmap[0].host_addr = map_ops[i].host_addr, + unmap[0].host_addr = map_ops[i].host_addr; unmap[0].handle = map_ops[i].handle; map_ops[i].handle = ~0; if (map_ops[i].flags & GNTMAP_device_map) @@ -746,7 +746,7 @@ int set_foreign_p2m_mapping(struct gnttab_map_grant_ref *map_ops, if (kmap_ops) { kmap_ops[i].status = GNTST_general_error; - unmap[1].host_addr = kmap_ops[i].host_addr, + unmap[1].host_addr = kmap_ops[i].host_addr; unmap[1].handle = kmap_ops[i].handle; kmap_ops[i].handle = ~0; if (kmap_ops[i].flags & GNTMAP_device_map) From 3ae2ec97d8e988b91b77c243095b9abcc4de39d5 Mon Sep 17 00:00:00 2001 From: Thorsten Blum Date: Tue, 2 Jul 2024 05:41:17 +0200 Subject: [PATCH 029/702] m68k: cmpxchg: Fix return value for default case in __arch_xchg() [ Upstream commit 21b9e722ad28c19c2bc83f18f540b3dbd89bf762 ] The return value of __invalid_xchg_size() is assigned to tmp instead of the return variable x. Assign it to x instead. Fixes: 2501cf768e4009a0 ("m68k: Fix xchg/cmpxchg to fail to link if given an inappropriate pointer") Signed-off-by: Thorsten Blum Reviewed-by: Geert Uytterhoeven Link: https://lore.kernel.org/20240702034116.140234-2-thorsten.blum@toblux.com Signed-off-by: Geert Uytterhoeven Signed-off-by: Sasha Levin --- arch/m68k/include/asm/cmpxchg.h | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/arch/m68k/include/asm/cmpxchg.h b/arch/m68k/include/asm/cmpxchg.h index 3a3bdcfcd375..2035b30d7951 100644 --- a/arch/m68k/include/asm/cmpxchg.h +++ b/arch/m68k/include/asm/cmpxchg.h @@ -33,7 +33,7 @@ static inline unsigned long __xchg(unsigned long x, volatile void * ptr, int siz x = tmp; break; default: - tmp = __invalid_xchg_size(x, ptr, size); + x = __invalid_xchg_size(x, ptr, size); break; } From 7b7d06a310e218ac4f853144350574756b3abfba Mon Sep 17 00:00:00 2001 From: Arnd Bergmann Date: Wed, 11 Sep 2019 16:43:59 +0200 Subject: [PATCH 030/702] ARM: pxa: spitz: use gpio descriptors for audio [ Upstream commit 726d8c965bae2d7468445d990849e281dca8cbf7 ] The audio driver should not use a hardwired gpio number from the header. Change it to use a lookup table. Acked-by: Mark Brown Cc: alsa-devel@alsa-project.org Reviewed-by: Linus Walleij Signed-off-by: Arnd Bergmann Stable-dep-of: 78ab3d352f29 ("ARM: spitz: fix GPIO assignment for backlight") Signed-off-by: Sasha Levin --- arch/arm/mach-pxa/spitz.c | 33 ++++++++++- arch/arm/mach-pxa/{include/mach => }/spitz.h | 2 +- arch/arm/mach-pxa/spitz_pm.c | 2 +- sound/soc/pxa/spitz.c | 58 ++++++++------------ 4 files changed, 57 insertions(+), 38 deletions(-) rename arch/arm/mach-pxa/{include/mach => }/spitz.h (99%) diff --git a/arch/arm/mach-pxa/spitz.c b/arch/arm/mach-pxa/spitz.c index 264de0bc97d6..8f880dbc05fd 100644 --- a/arch/arm/mach-pxa/spitz.c +++ b/arch/arm/mach-pxa/spitz.c @@ -43,7 +43,7 @@ #include #include #include -#include +#include "spitz.h" #include "sharpsl_pm.h" #include @@ -954,11 +954,42 @@ static void __init spitz_i2c_init(void) static inline void spitz_i2c_init(void) {} #endif +static struct gpiod_lookup_table spitz_audio_gpio_table = { + .dev_id = "spitz-audio", + .table = { + GPIO_LOOKUP("sharp-scoop.0", SPITZ_GPIO_MUTE_L - SPITZ_SCP_GPIO_BASE, + "mute-l", GPIO_ACTIVE_HIGH), + GPIO_LOOKUP("sharp-scoop.0", SPITZ_GPIO_MUTE_R - SPITZ_SCP_GPIO_BASE, + "mute-r", GPIO_ACTIVE_HIGH), + GPIO_LOOKUP("sharp-scoop.1", SPITZ_GPIO_MIC_BIAS - SPITZ_SCP2_GPIO_BASE, + "mic", GPIO_ACTIVE_HIGH), + { }, + }, +}; + +static struct gpiod_lookup_table akita_audio_gpio_table = { + .dev_id = "spitz-audio", + .table = { + GPIO_LOOKUP("sharp-scoop.0", SPITZ_GPIO_MUTE_L - SPITZ_SCP_GPIO_BASE, + "mute-l", GPIO_ACTIVE_HIGH), + GPIO_LOOKUP("sharp-scoop.0", SPITZ_GPIO_MUTE_R - SPITZ_SCP_GPIO_BASE, + "mute-r", GPIO_ACTIVE_HIGH), + GPIO_LOOKUP("i2c-max7310", AKITA_GPIO_MIC_BIAS - AKITA_IOEXP_GPIO_BASE, + "mic", GPIO_ACTIVE_HIGH), + { }, + }, +}; + /****************************************************************************** * Audio devices ******************************************************************************/ static inline void spitz_audio_init(void) { + if (machine_is_akita()) + gpiod_add_lookup_table(&akita_audio_gpio_table); + else + gpiod_add_lookup_table(&spitz_audio_gpio_table); + platform_device_register_simple("spitz-audio", -1, NULL, 0); } diff --git a/arch/arm/mach-pxa/include/mach/spitz.h b/arch/arm/mach-pxa/spitz.h similarity index 99% rename from arch/arm/mach-pxa/include/mach/spitz.h rename to arch/arm/mach-pxa/spitz.h index 04828d8918aa..f97e3ebd762d 100644 --- a/arch/arm/mach-pxa/include/mach/spitz.h +++ b/arch/arm/mach-pxa/spitz.h @@ -11,7 +11,7 @@ #define __ASM_ARCH_SPITZ_H 1 #endif -#include "irqs.h" /* PXA_NR_BUILTIN_GPIO, PXA_GPIO_TO_IRQ */ +#include /* PXA_NR_BUILTIN_GPIO, PXA_GPIO_TO_IRQ */ #include /* Spitz/Akita GPIOs */ diff --git a/arch/arm/mach-pxa/spitz_pm.c b/arch/arm/mach-pxa/spitz_pm.c index 25a1f8c5a738..6167f96d7b41 100644 --- a/arch/arm/mach-pxa/spitz_pm.c +++ b/arch/arm/mach-pxa/spitz_pm.c @@ -20,7 +20,7 @@ #include #include -#include +#include "spitz.h" #include "pxa27x.h" #include "sharpsl_pm.h" diff --git a/sound/soc/pxa/spitz.c b/sound/soc/pxa/spitz.c index 7c1384a869ca..44303b6eb228 100644 --- a/sound/soc/pxa/spitz.c +++ b/sound/soc/pxa/spitz.c @@ -14,13 +14,12 @@ #include #include #include -#include +#include #include #include #include #include -#include #include "../codecs/wm8750.h" #include "pxa2xx-i2s.h" @@ -37,7 +36,7 @@ static int spitz_jack_func; static int spitz_spk_func; -static int spitz_mic_gpio; +static struct gpio_desc *gpiod_mic, *gpiod_mute_l, *gpiod_mute_r; static void spitz_ext_control(struct snd_soc_dapm_context *dapm) { @@ -56,8 +55,8 @@ static void spitz_ext_control(struct snd_soc_dapm_context *dapm) snd_soc_dapm_disable_pin_unlocked(dapm, "Mic Jack"); snd_soc_dapm_disable_pin_unlocked(dapm, "Line Jack"); snd_soc_dapm_enable_pin_unlocked(dapm, "Headphone Jack"); - gpio_set_value(SPITZ_GPIO_MUTE_L, 1); - gpio_set_value(SPITZ_GPIO_MUTE_R, 1); + gpiod_set_value(gpiod_mute_l, 1); + gpiod_set_value(gpiod_mute_r, 1); break; case SPITZ_MIC: /* enable mic jack and bias, mute hp */ @@ -65,8 +64,8 @@ static void spitz_ext_control(struct snd_soc_dapm_context *dapm) snd_soc_dapm_disable_pin_unlocked(dapm, "Headset Jack"); snd_soc_dapm_disable_pin_unlocked(dapm, "Line Jack"); snd_soc_dapm_enable_pin_unlocked(dapm, "Mic Jack"); - gpio_set_value(SPITZ_GPIO_MUTE_L, 0); - gpio_set_value(SPITZ_GPIO_MUTE_R, 0); + gpiod_set_value(gpiod_mute_l, 0); + gpiod_set_value(gpiod_mute_r, 0); break; case SPITZ_LINE: /* enable line jack, disable mic bias and mute hp */ @@ -74,8 +73,8 @@ static void spitz_ext_control(struct snd_soc_dapm_context *dapm) snd_soc_dapm_disable_pin_unlocked(dapm, "Headset Jack"); snd_soc_dapm_disable_pin_unlocked(dapm, "Mic Jack"); snd_soc_dapm_enable_pin_unlocked(dapm, "Line Jack"); - gpio_set_value(SPITZ_GPIO_MUTE_L, 0); - gpio_set_value(SPITZ_GPIO_MUTE_R, 0); + gpiod_set_value(gpiod_mute_l, 0); + gpiod_set_value(gpiod_mute_r, 0); break; case SPITZ_HEADSET: /* enable and unmute headset jack enable mic bias, mute L hp */ @@ -83,8 +82,8 @@ static void spitz_ext_control(struct snd_soc_dapm_context *dapm) snd_soc_dapm_enable_pin_unlocked(dapm, "Mic Jack"); snd_soc_dapm_disable_pin_unlocked(dapm, "Line Jack"); snd_soc_dapm_enable_pin_unlocked(dapm, "Headset Jack"); - gpio_set_value(SPITZ_GPIO_MUTE_L, 0); - gpio_set_value(SPITZ_GPIO_MUTE_R, 1); + gpiod_set_value(gpiod_mute_l, 0); + gpiod_set_value(gpiod_mute_r, 1); break; case SPITZ_HP_OFF: @@ -93,8 +92,8 @@ static void spitz_ext_control(struct snd_soc_dapm_context *dapm) snd_soc_dapm_disable_pin_unlocked(dapm, "Headset Jack"); snd_soc_dapm_disable_pin_unlocked(dapm, "Mic Jack"); snd_soc_dapm_disable_pin_unlocked(dapm, "Line Jack"); - gpio_set_value(SPITZ_GPIO_MUTE_L, 0); - gpio_set_value(SPITZ_GPIO_MUTE_R, 0); + gpiod_set_value(gpiod_mute_l, 0); + gpiod_set_value(gpiod_mute_r, 0); break; } @@ -199,7 +198,7 @@ static int spitz_set_spk(struct snd_kcontrol *kcontrol, static int spitz_mic_bias(struct snd_soc_dapm_widget *w, struct snd_kcontrol *k, int event) { - gpio_set_value_cansleep(spitz_mic_gpio, SND_SOC_DAPM_EVENT_ON(event)); + gpiod_set_value_cansleep(gpiod_mic, SND_SOC_DAPM_EVENT_ON(event)); return 0; } @@ -287,39 +286,28 @@ static int spitz_probe(struct platform_device *pdev) struct snd_soc_card *card = &snd_soc_spitz; int ret; - if (machine_is_akita()) - spitz_mic_gpio = AKITA_GPIO_MIC_BIAS; - else - spitz_mic_gpio = SPITZ_GPIO_MIC_BIAS; - - ret = gpio_request(spitz_mic_gpio, "MIC GPIO"); - if (ret) - goto err1; - - ret = gpio_direction_output(spitz_mic_gpio, 0); - if (ret) - goto err2; + gpiod_mic = devm_gpiod_get(&pdev->dev, "mic", GPIOD_OUT_LOW); + if (IS_ERR(gpiod_mic)) + return PTR_ERR(gpiod_mic); + gpiod_mute_l = devm_gpiod_get(&pdev->dev, "mute-l", GPIOD_OUT_LOW); + if (IS_ERR(gpiod_mute_l)) + return PTR_ERR(gpiod_mute_l); + gpiod_mute_r = devm_gpiod_get(&pdev->dev, "mute-r", GPIOD_OUT_LOW); + if (IS_ERR(gpiod_mute_r)) + return PTR_ERR(gpiod_mute_r); card->dev = &pdev->dev; ret = devm_snd_soc_register_card(&pdev->dev, card); - if (ret) { + if (ret) dev_err(&pdev->dev, "snd_soc_register_card() failed: %d\n", ret); - goto err2; - } - return 0; - -err2: - gpio_free(spitz_mic_gpio); -err1: return ret; } static int spitz_remove(struct platform_device *pdev) { - gpio_free(spitz_mic_gpio); return 0; } From 6f3cb1fd6b4263fb194904cef2fc59738003bdd8 Mon Sep 17 00:00:00 2001 From: Dmitry Torokhov Date: Fri, 28 Jun 2024 11:08:41 -0700 Subject: [PATCH 031/702] ARM: spitz: fix GPIO assignment for backlight [ Upstream commit 78ab3d352f2982bf3f7e506bfbaba7afee1ed8a9 ] GPIOs controlling backlight on Spitz and Akita are coming from GPIO expanders, not the pxa27xx-gpio block, correct it. Additionally GPIO lookup tables operate with pin numbers rather than legacy GPIO numbers, fix that as well. Use raw numbers instead of legacy GPIO names to avoid confusion. Fixes: ee0c8e494cc3 ("backlight: corgi: Convert to use GPIO descriptors") Reviewed-by: Linus Walleij Signed-off-by: Dmitry Torokhov Link: https://lore.kernel.org/r/20240628180852.1738922-2-dmitry.torokhov@gmail.com Signed-off-by: Arnd Bergmann Signed-off-by: Sasha Levin --- arch/arm/mach-pxa/spitz.c | 30 ++++++++++-------------------- 1 file changed, 10 insertions(+), 20 deletions(-) diff --git a/arch/arm/mach-pxa/spitz.c b/arch/arm/mach-pxa/spitz.c index 8f880dbc05fd..9bdc20706d18 100644 --- a/arch/arm/mach-pxa/spitz.c +++ b/arch/arm/mach-pxa/spitz.c @@ -516,10 +516,8 @@ static struct pxa2xx_spi_chip spitz_ads7846_chip = { static struct gpiod_lookup_table spitz_lcdcon_gpio_table = { .dev_id = "spi2.1", .table = { - GPIO_LOOKUP("gpio-pxa", SPITZ_GPIO_BACKLIGHT_CONT, - "BL_CONT", GPIO_ACTIVE_LOW), - GPIO_LOOKUP("gpio-pxa", SPITZ_GPIO_BACKLIGHT_ON, - "BL_ON", GPIO_ACTIVE_HIGH), + GPIO_LOOKUP("sharp-scoop.1", 6, "BL_CONT", GPIO_ACTIVE_LOW), + GPIO_LOOKUP("sharp-scoop.1", 7, "BL_ON", GPIO_ACTIVE_HIGH), { }, }, }; @@ -527,10 +525,8 @@ static struct gpiod_lookup_table spitz_lcdcon_gpio_table = { static struct gpiod_lookup_table akita_lcdcon_gpio_table = { .dev_id = "spi2.1", .table = { - GPIO_LOOKUP("gpio-pxa", AKITA_GPIO_BACKLIGHT_CONT, - "BL_CONT", GPIO_ACTIVE_LOW), - GPIO_LOOKUP("gpio-pxa", AKITA_GPIO_BACKLIGHT_ON, - "BL_ON", GPIO_ACTIVE_HIGH), + GPIO_LOOKUP("i2c-max7310", 3, "BL_ON", GPIO_ACTIVE_HIGH), + GPIO_LOOKUP("i2c-max7310", 4, "BL_CONT", GPIO_ACTIVE_LOW), { }, }, }; @@ -957,12 +953,9 @@ static inline void spitz_i2c_init(void) {} static struct gpiod_lookup_table spitz_audio_gpio_table = { .dev_id = "spitz-audio", .table = { - GPIO_LOOKUP("sharp-scoop.0", SPITZ_GPIO_MUTE_L - SPITZ_SCP_GPIO_BASE, - "mute-l", GPIO_ACTIVE_HIGH), - GPIO_LOOKUP("sharp-scoop.0", SPITZ_GPIO_MUTE_R - SPITZ_SCP_GPIO_BASE, - "mute-r", GPIO_ACTIVE_HIGH), - GPIO_LOOKUP("sharp-scoop.1", SPITZ_GPIO_MIC_BIAS - SPITZ_SCP2_GPIO_BASE, - "mic", GPIO_ACTIVE_HIGH), + GPIO_LOOKUP("sharp-scoop.0", 3, "mute-l", GPIO_ACTIVE_HIGH), + GPIO_LOOKUP("sharp-scoop.0", 4, "mute-r", GPIO_ACTIVE_HIGH), + GPIO_LOOKUP("sharp-scoop.1", 8, "mic", GPIO_ACTIVE_HIGH), { }, }, }; @@ -970,12 +963,9 @@ static struct gpiod_lookup_table spitz_audio_gpio_table = { static struct gpiod_lookup_table akita_audio_gpio_table = { .dev_id = "spitz-audio", .table = { - GPIO_LOOKUP("sharp-scoop.0", SPITZ_GPIO_MUTE_L - SPITZ_SCP_GPIO_BASE, - "mute-l", GPIO_ACTIVE_HIGH), - GPIO_LOOKUP("sharp-scoop.0", SPITZ_GPIO_MUTE_R - SPITZ_SCP_GPIO_BASE, - "mute-r", GPIO_ACTIVE_HIGH), - GPIO_LOOKUP("i2c-max7310", AKITA_GPIO_MIC_BIAS - AKITA_IOEXP_GPIO_BASE, - "mic", GPIO_ACTIVE_HIGH), + GPIO_LOOKUP("sharp-scoop.0", 3, "mute-l", GPIO_ACTIVE_HIGH), + GPIO_LOOKUP("sharp-scoop.0", 4, "mute-r", GPIO_ACTIVE_HIGH), + GPIO_LOOKUP("i2c-max7310", 2, "mic", GPIO_ACTIVE_HIGH), { }, }, }; From 085dc942897c3c59185a0e075df6e17be507851a Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Marek=20Beh=C3=BAn?= Date: Mon, 15 Jul 2024 13:59:11 +0200 Subject: [PATCH 032/702] firmware: turris-mox-rwtm: Fix checking return value of wait_for_completion_timeout() MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit [ Upstream commit 8467cfe821ac3526f7598682ad5f90689fa8cc49 ] The wait_for_completion_timeout() function returns 0 if timed out, and a positive value if completed. Fix the usage of this function. Fixes: 389711b37493 ("firmware: Add Turris Mox rWTM firmware driver") Fixes: 2eab59cf0d20 ("firmware: turris-mox-rwtm: fail probing when firmware does not support hwrng") Signed-off-by: Marek Behún Reviewed-by: Ilpo Järvinen Reviewed-by: Andy Shevchenko Signed-off-by: Arnd Bergmann Signed-off-by: Sasha Levin --- drivers/firmware/turris-mox-rwtm.c | 15 ++++++--------- 1 file changed, 6 insertions(+), 9 deletions(-) diff --git a/drivers/firmware/turris-mox-rwtm.c b/drivers/firmware/turris-mox-rwtm.c index 0bef988580ad..32c94c306b23 100644 --- a/drivers/firmware/turris-mox-rwtm.c +++ b/drivers/firmware/turris-mox-rwtm.c @@ -199,9 +199,8 @@ static int mox_get_board_info(struct mox_rwtm *rwtm) if (ret < 0) return ret; - ret = wait_for_completion_timeout(&rwtm->cmd_done, HZ / 2); - if (ret < 0) - return ret; + if (!wait_for_completion_timeout(&rwtm->cmd_done, HZ / 2)) + return -ETIMEDOUT; ret = mox_get_status(MBOX_CMD_BOARD_INFO, reply->retval); if (ret == -ENODATA) { @@ -235,9 +234,8 @@ static int mox_get_board_info(struct mox_rwtm *rwtm) if (ret < 0) return ret; - ret = wait_for_completion_timeout(&rwtm->cmd_done, HZ / 2); - if (ret < 0) - return ret; + if (!wait_for_completion_timeout(&rwtm->cmd_done, HZ / 2)) + return -ETIMEDOUT; ret = mox_get_status(MBOX_CMD_ECDSA_PUB_KEY, reply->retval); if (ret == -ENODATA) { @@ -274,9 +272,8 @@ static int check_get_random_support(struct mox_rwtm *rwtm) if (ret < 0) return ret; - ret = wait_for_completion_timeout(&rwtm->cmd_done, HZ / 2); - if (ret < 0) - return ret; + if (!wait_for_completion_timeout(&rwtm->cmd_done, HZ / 2)) + return -ETIMEDOUT; return mox_get_status(MBOX_CMD_GET_RANDOM, rwtm->reply.retval); } From 1eb5751e2369b46af2f561664a417f5d013a046d Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Marek=20Beh=C3=BAn?= Date: Mon, 15 Jul 2024 13:59:12 +0200 Subject: [PATCH 033/702] firmware: turris-mox-rwtm: Initialize completion before mailbox MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit [ Upstream commit 49e24c80d3c81c43e2a56101449e1eea32fcf292 ] Initialize the completion before the mailbox channel is requested. Fixes: 389711b37493 ("firmware: Add Turris Mox rWTM firmware driver") Signed-off-by: Marek Behún Reviewed-by: Andy Shevchenko Signed-off-by: Arnd Bergmann Signed-off-by: Sasha Levin --- drivers/firmware/turris-mox-rwtm.c | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-) diff --git a/drivers/firmware/turris-mox-rwtm.c b/drivers/firmware/turris-mox-rwtm.c index 32c94c306b23..dcb717254c79 100644 --- a/drivers/firmware/turris-mox-rwtm.c +++ b/drivers/firmware/turris-mox-rwtm.c @@ -496,6 +496,7 @@ static int turris_mox_rwtm_probe(struct platform_device *pdev) platform_set_drvdata(pdev, rwtm); mutex_init(&rwtm->busy); + init_completion(&rwtm->cmd_done); rwtm->mbox_client.dev = dev; rwtm->mbox_client.rx_callback = mox_rwtm_rx_callback; @@ -509,8 +510,6 @@ static int turris_mox_rwtm_probe(struct platform_device *pdev) goto remove_files; } - init_completion(&rwtm->cmd_done); - ret = mox_get_board_info(rwtm); if (ret < 0) dev_warn(dev, "Cannot read board information: %i\n", ret); From 1302433dc6641490caa387ac927e05df6e7cdf40 Mon Sep 17 00:00:00 2001 From: Samasth Norway Ananda Date: Thu, 9 May 2024 16:10:37 -0700 Subject: [PATCH 034/702] wifi: brcmsmac: LCN PHY code is used for BCM4313 2G-only device [ Upstream commit c636fa85feb450ca414a10010ed05361a73c93a6 ] The band_idx variable in the function wlc_lcnphy_tx_iqlo_cal() will never be set to 1 as BCM4313 is the only device for which the LCN PHY code is used. This is a 2G-only device. Fixes: 5b435de0d786 ("net: wireless: add brcm80211 drivers") Signed-off-by: Samasth Norway Ananda Acked-by: Arend van Spriel Signed-off-by: Kalle Valo Link: https://msgid.link/20240509231037.2014109-1-samasth.norway.ananda@oracle.com Signed-off-by: Sasha Levin --- .../broadcom/brcm80211/brcmsmac/phy/phy_lcn.c | 18 +++++++++--------- 1 file changed, 9 insertions(+), 9 deletions(-) diff --git a/drivers/net/wireless/broadcom/brcm80211/brcmsmac/phy/phy_lcn.c b/drivers/net/wireless/broadcom/brcm80211/brcmsmac/phy/phy_lcn.c index 7717eb85a1db..47c0e8e429e5 100644 --- a/drivers/net/wireless/broadcom/brcm80211/brcmsmac/phy/phy_lcn.c +++ b/drivers/net/wireless/broadcom/brcm80211/brcmsmac/phy/phy_lcn.c @@ -2567,7 +2567,6 @@ wlc_lcnphy_tx_iqlo_cal(struct brcms_phy *pi, struct lcnphy_txgains cal_gains, temp_gains; u16 hash; - u8 band_idx; int j; u16 ncorr_override[5]; u16 syst_coeffs[] = { 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, @@ -2599,6 +2598,9 @@ wlc_lcnphy_tx_iqlo_cal(struct brcms_phy *pi, u16 *values_to_save; struct brcms_phy_lcnphy *pi_lcn = pi->u.pi_lcnphy; + if (WARN_ON(CHSPEC_IS5G(pi->radio_chanspec))) + return; + values_to_save = kmalloc_array(20, sizeof(u16), GFP_ATOMIC); if (NULL == values_to_save) return; @@ -2662,20 +2664,18 @@ wlc_lcnphy_tx_iqlo_cal(struct brcms_phy *pi, hash = (target_gains->gm_gain << 8) | (target_gains->pga_gain << 4) | (target_gains->pad_gain); - band_idx = (CHSPEC_IS5G(pi->radio_chanspec) ? 1 : 0); - cal_gains = *target_gains; memset(ncorr_override, 0, sizeof(ncorr_override)); - for (j = 0; j < iqcal_gainparams_numgains_lcnphy[band_idx]; j++) { - if (hash == tbl_iqcal_gainparams_lcnphy[band_idx][j][0]) { + for (j = 0; j < iqcal_gainparams_numgains_lcnphy[0]; j++) { + if (hash == tbl_iqcal_gainparams_lcnphy[0][j][0]) { cal_gains.gm_gain = - tbl_iqcal_gainparams_lcnphy[band_idx][j][1]; + tbl_iqcal_gainparams_lcnphy[0][j][1]; cal_gains.pga_gain = - tbl_iqcal_gainparams_lcnphy[band_idx][j][2]; + tbl_iqcal_gainparams_lcnphy[0][j][2]; cal_gains.pad_gain = - tbl_iqcal_gainparams_lcnphy[band_idx][j][3]; + tbl_iqcal_gainparams_lcnphy[0][j][3]; memcpy(ncorr_override, - &tbl_iqcal_gainparams_lcnphy[band_idx][j][3], + &tbl_iqcal_gainparams_lcnphy[0][j][3], sizeof(ncorr_override)); break; } From 2f5738bdd6f6c1e7320fd03ac06e061964a31444 Mon Sep 17 00:00:00 2001 From: Geliang Tang Date: Fri, 17 May 2024 14:21:46 +0800 Subject: [PATCH 035/702] selftests/bpf: Fix prog numbers in test_sockmap [ Upstream commit 6c8d7598dfed759bf1d9d0322b4c2b42eb7252d8 ] bpf_prog5 and bpf_prog7 are removed from progs/test_sockmap_kern.h in commit d79a32129b21 ("bpf: Selftests, remove prints from sockmap tests"), now there are only 9 progs in it, not 11: SEC("sk_skb1") int bpf_prog1(struct __sk_buff *skb) SEC("sk_skb2") int bpf_prog2(struct __sk_buff *skb) SEC("sk_skb3") int bpf_prog3(struct __sk_buff *skb) SEC("sockops") int bpf_sockmap(struct bpf_sock_ops *skops) SEC("sk_msg1") int bpf_prog4(struct sk_msg_md *msg) SEC("sk_msg2") int bpf_prog6(struct sk_msg_md *msg) SEC("sk_msg3") int bpf_prog8(struct sk_msg_md *msg) SEC("sk_msg4") int bpf_prog9(struct sk_msg_md *msg) SEC("sk_msg5") int bpf_prog10(struct sk_msg_md *msg) This patch updates the array sizes of prog_fd[], prog_attach_type[] and prog_type[] from 11 to 9 accordingly. Fixes: d79a32129b21 ("bpf: Selftests, remove prints from sockmap tests") Signed-off-by: Geliang Tang Signed-off-by: Andrii Nakryiko Link: https://lore.kernel.org/bpf/9c10d9f974f07fcb354a43a8eca67acb2fafc587.1715926605.git.tanggeliang@kylinos.cn Signed-off-by: Sasha Levin --- tools/testing/selftests/bpf/test_sockmap.c | 6 +----- 1 file changed, 1 insertion(+), 5 deletions(-) diff --git a/tools/testing/selftests/bpf/test_sockmap.c b/tools/testing/selftests/bpf/test_sockmap.c index 85d57633c8b6..daf848258410 100644 --- a/tools/testing/selftests/bpf/test_sockmap.c +++ b/tools/testing/selftests/bpf/test_sockmap.c @@ -65,7 +65,7 @@ int passed; int failed; int map_fd[9]; struct bpf_map *maps[9]; -int prog_fd[11]; +int prog_fd[9]; int txmsg_pass; int txmsg_redir; @@ -1708,8 +1708,6 @@ int prog_attach_type[] = { BPF_SK_MSG_VERDICT, BPF_SK_MSG_VERDICT, BPF_SK_MSG_VERDICT, - BPF_SK_MSG_VERDICT, - BPF_SK_MSG_VERDICT, }; int prog_type[] = { @@ -1722,8 +1720,6 @@ int prog_type[] = { BPF_PROG_TYPE_SK_MSG, BPF_PROG_TYPE_SK_MSG, BPF_PROG_TYPE_SK_MSG, - BPF_PROG_TYPE_SK_MSG, - BPF_PROG_TYPE_SK_MSG, }; static int populate_progs(char *bpf_file) From 8d0d50a8b73816ecb7839b2df3b7d317c24b79e4 Mon Sep 17 00:00:00 2001 From: Hagar Hemdan Date: Sat, 18 May 2024 13:04:39 +0000 Subject: [PATCH 036/702] net: esp: cleanup esp_output_tail_tcp() in case of unsupported ESPINTCP [ Upstream commit 96f887a612e4cda89efc3f54bc10c1997e3ab0e9 ] xmit() functions should consume skb or return error codes in error paths. When the configuration "CONFIG_INET_ESPINTCP" is not set, the implementation of the function "esp_output_tail_tcp" violates this rule. The function frees the skb and returns the error code. This change removes the kfree_skb from both functions, for both esp4 and esp6. WARN_ON is added because esp_output_tail_tcp() should never be called if CONFIG_INET_ESPINTCP is not set. This bug was discovered and resolved using Coverity Static Analysis Security Testing (SAST) by Synopsys, Inc. Fixes: e27cca96cd68 ("xfrm: add espintcp (RFC 8229)") Signed-off-by: Hagar Hemdan Signed-off-by: Steffen Klassert Signed-off-by: Sasha Levin --- net/ipv4/esp4.c | 3 +-- net/ipv6/esp6.c | 3 +-- 2 files changed, 2 insertions(+), 4 deletions(-) diff --git a/net/ipv4/esp4.c b/net/ipv4/esp4.c index 412a3c153cad..adfefcd88bbc 100644 --- a/net/ipv4/esp4.c +++ b/net/ipv4/esp4.c @@ -239,8 +239,7 @@ static int esp_output_tail_tcp(struct xfrm_state *x, struct sk_buff *skb) #else static int esp_output_tail_tcp(struct xfrm_state *x, struct sk_buff *skb) { - kfree_skb(skb); - + WARN_ON(1); return -EOPNOTSUPP; } #endif diff --git a/net/ipv6/esp6.c b/net/ipv6/esp6.c index fddc811bbde1..39154531d455 100644 --- a/net/ipv6/esp6.c +++ b/net/ipv6/esp6.c @@ -255,8 +255,7 @@ static int esp_output_tail_tcp(struct xfrm_state *x, struct sk_buff *skb) #else static int esp_output_tail_tcp(struct xfrm_state *x, struct sk_buff *skb) { - kfree_skb(skb); - + WARN_ON(1); return -EOPNOTSUPP; } #endif From 15c2ec7c284dfbaac2cdac92cb8b484be0d0eaa8 Mon Sep 17 00:00:00 2001 From: Stefan Raspl Date: Mon, 9 Aug 2021 10:10:14 +0200 Subject: [PATCH 037/702] net/smc: Allow SMC-D 1MB DMB allocations [ Upstream commit 67161779a9ea926fccee8de047ae66cbd3482b91 ] Commit a3fe3d01bd0d7 ("net/smc: introduce sg-logic for RMBs") introduced a restriction for RMB allocations as used by SMC-R. However, SMC-D does not use scatter-gather lists to back its DMBs, yet it was limited by this restriction, still. This patch exempts SMC, but limits allocations to the maximum RMB/DMB size respectively. Signed-off-by: Stefan Raspl Signed-off-by: Guvenc Gulce Signed-off-by: David S. Miller Stable-dep-of: 3ac14b9dfbd3 ("net/smc: set rmb's SG_MAX_SINGLE_ALLOC limitation only when CONFIG_ARCH_NO_SG_CHAIN is defined") Signed-off-by: Sasha Levin --- net/smc/smc_core.c | 31 ++++++++++++++++--------------- 1 file changed, 16 insertions(+), 15 deletions(-) diff --git a/net/smc/smc_core.c b/net/smc/smc_core.c index ab9ecdd1af0a..701bfc2bab23 100644 --- a/net/smc/smc_core.c +++ b/net/smc/smc_core.c @@ -1375,21 +1375,30 @@ int smc_conn_create(struct smc_sock *smc, struct smc_init_info *ini) return rc; } -/* convert the RMB size into the compressed notation - minimum 16K. +#define SMCD_DMBE_SIZES 6 /* 0 -> 16KB, 1 -> 32KB, .. 6 -> 1MB */ +#define SMCR_RMBE_SIZES 5 /* 0 -> 16KB, 1 -> 32KB, .. 5 -> 512KB */ + +/* convert the RMB size into the compressed notation (minimum 16K, see + * SMCD/R_DMBE_SIZES. * In contrast to plain ilog2, this rounds towards the next power of 2, * so the socket application gets at least its desired sndbuf / rcvbuf size. */ -static u8 smc_compress_bufsize(int size) +static u8 smc_compress_bufsize(int size, bool is_smcd, bool is_rmb) { + const unsigned int max_scat = SG_MAX_SINGLE_ALLOC * PAGE_SIZE; u8 compressed; if (size <= SMC_BUF_MIN_SIZE) return 0; - size = (size - 1) >> 14; - compressed = ilog2(size) + 1; - if (compressed >= SMC_RMBE_SIZES) - compressed = SMC_RMBE_SIZES - 1; + size = (size - 1) >> 14; /* convert to 16K multiple */ + compressed = min_t(u8, ilog2(size) + 1, + is_smcd ? SMCD_DMBE_SIZES : SMCR_RMBE_SIZES); + + if (!is_smcd && is_rmb) + /* RMBs are backed by & limited to max size of scatterlists */ + compressed = min_t(u8, compressed, ilog2(max_scat >> 14)); + return compressed; } @@ -1608,17 +1617,12 @@ static int smcr_buf_map_usable_links(struct smc_link_group *lgr, return rc; } -#define SMCD_DMBE_SIZES 6 /* 0 -> 16KB, 1 -> 32KB, .. 6 -> 1MB */ - static struct smc_buf_desc *smcd_new_buf_create(struct smc_link_group *lgr, bool is_dmb, int bufsize) { struct smc_buf_desc *buf_desc; int rc; - if (smc_compress_bufsize(bufsize) > SMCD_DMBE_SIZES) - return ERR_PTR(-EAGAIN); - /* try to alloc a new DMB */ buf_desc = kzalloc(sizeof(*buf_desc), GFP_KERNEL); if (!buf_desc) @@ -1666,9 +1670,8 @@ static int __smc_buf_create(struct smc_sock *smc, bool is_smcd, bool is_rmb) /* use socket send buffer size (w/o overhead) as start value */ sk_buf_size = smc->sk.sk_sndbuf / 2; - for (bufsize_short = smc_compress_bufsize(sk_buf_size); + for (bufsize_short = smc_compress_bufsize(sk_buf_size, is_smcd, is_rmb); bufsize_short >= 0; bufsize_short--) { - if (is_rmb) { lock = &lgr->rmbs_lock; buf_list = &lgr->rmbs[bufsize_short]; @@ -1677,8 +1680,6 @@ static int __smc_buf_create(struct smc_sock *smc, bool is_smcd, bool is_rmb) buf_list = &lgr->sndbufs[bufsize_short]; } bufsize = smc_uncompress_bufsize(bufsize_short); - if ((1 << get_order(bufsize)) > SG_MAX_SINGLE_ALLOC) - continue; /* check for reusable slot in the link group */ buf_desc = smc_buf_get_slot(bufsize_short, lock, buf_list); From 249adb30cbc78cd88e2d1f4db168a0ac79fc3f68 Mon Sep 17 00:00:00 2001 From: Guangguan Wang Date: Mon, 3 Jun 2024 11:00:18 +0800 Subject: [PATCH 038/702] net/smc: set rmb's SG_MAX_SINGLE_ALLOC limitation only when CONFIG_ARCH_NO_SG_CHAIN is defined [ Upstream commit 3ac14b9dfbd345e891d48d89f6c2fa519848f0f4 ] SG_MAX_SINGLE_ALLOC is used to limit maximum number of entries that will be allocated in one piece of scatterlist. When the entries of scatterlist exceeds SG_MAX_SINGLE_ALLOC, sg chain will be used. From commit 7c703e54cc71 ("arch: switch the default on ARCH_HAS_SG_CHAIN"), we can know that the macro CONFIG_ARCH_NO_SG_CHAIN is used to identify whether sg chain is supported. So, SMC-R's rmb buffer should be limited by SG_MAX_SINGLE_ALLOC only when the macro CONFIG_ARCH_NO_SG_CHAIN is defined. Fixes: a3fe3d01bd0d ("net/smc: introduce sg-logic for RMBs") Signed-off-by: Guangguan Wang Co-developed-by: Wen Gu Signed-off-by: Wen Gu Signed-off-by: David S. Miller Signed-off-by: Sasha Levin --- net/smc/smc_core.c | 5 +++-- 1 file changed, 3 insertions(+), 2 deletions(-) diff --git a/net/smc/smc_core.c b/net/smc/smc_core.c index 701bfc2bab23..0e9d22e9c760 100644 --- a/net/smc/smc_core.c +++ b/net/smc/smc_core.c @@ -1385,7 +1385,6 @@ int smc_conn_create(struct smc_sock *smc, struct smc_init_info *ini) */ static u8 smc_compress_bufsize(int size, bool is_smcd, bool is_rmb) { - const unsigned int max_scat = SG_MAX_SINGLE_ALLOC * PAGE_SIZE; u8 compressed; if (size <= SMC_BUF_MIN_SIZE) @@ -1395,9 +1394,11 @@ static u8 smc_compress_bufsize(int size, bool is_smcd, bool is_rmb) compressed = min_t(u8, ilog2(size) + 1, is_smcd ? SMCD_DMBE_SIZES : SMCR_RMBE_SIZES); +#ifdef CONFIG_ARCH_NO_SG_CHAIN if (!is_smcd && is_rmb) /* RMBs are backed by & limited to max size of scatterlists */ - compressed = min_t(u8, compressed, ilog2(max_scat >> 14)); + compressed = min_t(u8, compressed, ilog2((SG_MAX_SINGLE_ALLOC * PAGE_SIZE) >> 14)); +#endif return compressed; } From ada0c319253a6aad4f82dd2c29bf15d8feecbcf8 Mon Sep 17 00:00:00 2001 From: Geliang Tang Date: Thu, 23 May 2024 14:50:03 +0800 Subject: [PATCH 039/702] selftests/bpf: Check length of recv in test_sockmap [ Upstream commit de1b5ea789dc28066cc8dc634b6825bd6148f38b ] The value of recv in msg_loop may be negative, like EWOULDBLOCK, so it's necessary to check if it is positive before accumulating it to bytes_recvd. Fixes: 16962b2404ac ("bpf: sockmap, add selftests") Signed-off-by: Geliang Tang Signed-off-by: Daniel Borkmann Tested-by: Jakub Sitnicki Acked-by: John Fastabend Link: https://lore.kernel.org/bpf/5172563f7c7b2a2e953cef02e89fc34664a7b190.1716446893.git.tanggeliang@kylinos.cn Signed-off-by: Sasha Levin --- tools/testing/selftests/bpf/test_sockmap.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/tools/testing/selftests/bpf/test_sockmap.c b/tools/testing/selftests/bpf/test_sockmap.c index daf848258410..61be5993416e 100644 --- a/tools/testing/selftests/bpf/test_sockmap.c +++ b/tools/testing/selftests/bpf/test_sockmap.c @@ -663,7 +663,8 @@ static int msg_loop(int fd, int iov_count, int iov_length, int cnt, } } - s->bytes_recvd += recv; + if (recv > 0) + s->bytes_recvd += recv; if (data) { int chunk_sz = opt->sendpage ? From 22ae17a267f4812861f0c644186c3421ff97dbfc Mon Sep 17 00:00:00 2001 From: Ido Schimmel Date: Thu, 6 Jun 2024 16:49:41 +0200 Subject: [PATCH 040/702] lib: objagg: Fix general protection fault [ Upstream commit b4a3a89fffcdf09702b1f161b914e52abca1894d ] The library supports aggregation of objects into other objects only if the parent object does not have a parent itself. That is, nesting is not supported. Aggregation happens in two cases: Without and with hints, where hints are a pre-computed recommendation on how to aggregate the provided objects. Nesting is not possible in the first case due to a check that prevents it, but in the second case there is no check because the assumption is that nesting cannot happen when creating objects based on hints. The violation of this assumption leads to various warnings and eventually to a general protection fault [1]. Before fixing the root cause, error out when nesting happens and warn. [1] general protection fault, probably for non-canonical address 0xdead000000000d90: 0000 [#1] PREEMPT SMP PTI CPU: 1 PID: 1083 Comm: kworker/1:9 Tainted: G W 6.9.0-rc6-custom-gd9b4f1cca7fb #7 Hardware name: Mellanox Technologies Ltd. MSN3700/VMOD0005, BIOS 5.11 01/06/2019 Workqueue: mlxsw_core mlxsw_sp_acl_tcam_vregion_rehash_work RIP: 0010:mlxsw_sp_acl_erp_bf_insert+0x25/0x80 [...] Call Trace: mlxsw_sp_acl_atcam_entry_add+0x256/0x3c0 mlxsw_sp_acl_tcam_entry_create+0x5e/0xa0 mlxsw_sp_acl_tcam_vchunk_migrate_one+0x16b/0x270 mlxsw_sp_acl_tcam_vregion_rehash_work+0xbe/0x510 process_one_work+0x151/0x370 worker_thread+0x2cb/0x3e0 kthread+0xd0/0x100 ret_from_fork+0x34/0x50 ret_from_fork_asm+0x1a/0x30 Fixes: 9069a3817d82 ("lib: objagg: implement optimization hints assembly and use hints for object creation") Reported-by: Alexander Zubkov Signed-off-by: Ido Schimmel Reviewed-by: Amit Cohen Tested-by: Alexander Zubkov Signed-off-by: Petr Machata Reviewed-by: Simon Horman Signed-off-by: David S. Miller Signed-off-by: Sasha Levin --- lib/objagg.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/lib/objagg.c b/lib/objagg.c index 5e1676ccdadd..73d711602573 100644 --- a/lib/objagg.c +++ b/lib/objagg.c @@ -167,6 +167,9 @@ static int objagg_obj_parent_assign(struct objagg *objagg, { void *delta_priv; + if (WARN_ON(!objagg_obj_is_root(parent))) + return -EINVAL; + delta_priv = objagg->ops->delta_create(objagg->priv, parent->obj, objagg_obj->obj); if (IS_ERR(delta_priv)) From 36a9996e020dd5aa325e0ecc55eb2328288ea6bb Mon Sep 17 00:00:00 2001 From: Ido Schimmel Date: Thu, 6 Jun 2024 16:49:42 +0200 Subject: [PATCH 041/702] mlxsw: spectrum_acl_erp: Fix object nesting warning [ Upstream commit 97d833ceb27dc19f8777d63f90be4a27b5daeedf ] ACLs in Spectrum-2 and newer ASICs can reside in the algorithmic TCAM (A-TCAM) or in the ordinary circuit TCAM (C-TCAM). The former can contain more ACLs (i.e., tc filters), but the number of masks in each region (i.e., tc chain) is limited. In order to mitigate the effects of the above limitation, the device allows filters to share a single mask if their masks only differ in up to 8 consecutive bits. For example, dst_ip/25 can be represented using dst_ip/24 with a delta of 1 bit. The C-TCAM does not have a limit on the number of masks being used (and therefore does not support mask aggregation), but can contain a limited number of filters. The driver uses the "objagg" library to perform the mask aggregation by passing it objects that consist of the filter's mask and whether the filter is to be inserted into the A-TCAM or the C-TCAM since filters in different TCAMs cannot share a mask. The set of created objects is dependent on the insertion order of the filters and is not necessarily optimal. Therefore, the driver will periodically ask the library to compute a more optimal set ("hints") by looking at all the existing objects. When the library asks the driver whether two objects can be aggregated the driver only compares the provided masks and ignores the A-TCAM / C-TCAM indication. This is the right thing to do since the goal is to move as many filters as possible to the A-TCAM. The driver also forbids two identical masks from being aggregated since this can only happen if one was intentionally put in the C-TCAM to avoid a conflict in the A-TCAM. The above can result in the following set of hints: H1: {mask X, A-TCAM} -> H2: {mask Y, A-TCAM} // X is Y + delta H3: {mask Y, C-TCAM} -> H4: {mask Z, A-TCAM} // Y is Z + delta After getting the hints from the library the driver will start migrating filters from one region to another while consulting the computed hints and instructing the device to perform a lookup in both regions during the transition. Assuming a filter with mask X is being migrated into the A-TCAM in the new region, the hints lookup will return H1. Since H2 is the parent of H1, the library will try to find the object associated with it and create it if necessary in which case another hints lookup (recursive) will be performed. This hints lookup for {mask Y, A-TCAM} will either return H2 or H3 since the driver passes the library an object comparison function that ignores the A-TCAM / C-TCAM indication. This can eventually lead to nested objects which are not supported by the library [1]. Fix by removing the object comparison function from both the driver and the library as the driver was the only user. That way the lookup will only return exact matches. I do not have a reliable reproducer that can reproduce the issue in a timely manner, but before the fix the issue would reproduce in several minutes and with the fix it does not reproduce in over an hour. Note that the current usefulness of the hints is limited because they include the C-TCAM indication and represent aggregation that cannot actually happen. This will be addressed in net-next. [1] WARNING: CPU: 0 PID: 153 at lib/objagg.c:170 objagg_obj_parent_assign+0xb5/0xd0 Modules linked in: CPU: 0 PID: 153 Comm: kworker/0:18 Not tainted 6.9.0-rc6-custom-g70fbc2c1c38b #42 Hardware name: Mellanox Technologies Ltd. MSN3700C/VMOD0008, BIOS 5.11 10/10/2018 Workqueue: mlxsw_core mlxsw_sp_acl_tcam_vregion_rehash_work RIP: 0010:objagg_obj_parent_assign+0xb5/0xd0 [...] Call Trace: __objagg_obj_get+0x2bb/0x580 objagg_obj_get+0xe/0x80 mlxsw_sp_acl_erp_mask_get+0xb5/0xf0 mlxsw_sp_acl_atcam_entry_add+0xe8/0x3c0 mlxsw_sp_acl_tcam_entry_create+0x5e/0xa0 mlxsw_sp_acl_tcam_vchunk_migrate_one+0x16b/0x270 mlxsw_sp_acl_tcam_vregion_rehash_work+0xbe/0x510 process_one_work+0x151/0x370 Fixes: 9069a3817d82 ("lib: objagg: implement optimization hints assembly and use hints for object creation") Signed-off-by: Ido Schimmel Reviewed-by: Amit Cohen Tested-by: Alexander Zubkov Signed-off-by: Petr Machata Reviewed-by: Simon Horman Signed-off-by: David S. Miller Signed-off-by: Sasha Levin --- .../ethernet/mellanox/mlxsw/spectrum_acl_erp.c | 13 ------------- include/linux/objagg.h | 1 - lib/objagg.c | 15 --------------- 3 files changed, 29 deletions(-) diff --git a/drivers/net/ethernet/mellanox/mlxsw/spectrum_acl_erp.c b/drivers/net/ethernet/mellanox/mlxsw/spectrum_acl_erp.c index d231f4d2888b..9eee229303cc 100644 --- a/drivers/net/ethernet/mellanox/mlxsw/spectrum_acl_erp.c +++ b/drivers/net/ethernet/mellanox/mlxsw/spectrum_acl_erp.c @@ -1217,18 +1217,6 @@ static bool mlxsw_sp_acl_erp_delta_check(void *priv, const void *parent_obj, return err ? false : true; } -static int mlxsw_sp_acl_erp_hints_obj_cmp(const void *obj1, const void *obj2) -{ - const struct mlxsw_sp_acl_erp_key *key1 = obj1; - const struct mlxsw_sp_acl_erp_key *key2 = obj2; - - /* For hints purposes, two objects are considered equal - * in case the masks are the same. Does not matter what - * the "ctcam" value is. - */ - return memcmp(key1->mask, key2->mask, sizeof(key1->mask)); -} - static void *mlxsw_sp_acl_erp_delta_create(void *priv, void *parent_obj, void *obj) { @@ -1308,7 +1296,6 @@ static void mlxsw_sp_acl_erp_root_destroy(void *priv, void *root_priv) static const struct objagg_ops mlxsw_sp_acl_erp_objagg_ops = { .obj_size = sizeof(struct mlxsw_sp_acl_erp_key), .delta_check = mlxsw_sp_acl_erp_delta_check, - .hints_obj_cmp = mlxsw_sp_acl_erp_hints_obj_cmp, .delta_create = mlxsw_sp_acl_erp_delta_create, .delta_destroy = mlxsw_sp_acl_erp_delta_destroy, .root_create = mlxsw_sp_acl_erp_root_create, diff --git a/include/linux/objagg.h b/include/linux/objagg.h index 78021777df46..6df5b887dc54 100644 --- a/include/linux/objagg.h +++ b/include/linux/objagg.h @@ -8,7 +8,6 @@ struct objagg_ops { size_t obj_size; bool (*delta_check)(void *priv, const void *parent_obj, const void *obj); - int (*hints_obj_cmp)(const void *obj1, const void *obj2); void * (*delta_create)(void *priv, void *parent_obj, void *obj); void (*delta_destroy)(void *priv, void *delta_priv); void * (*root_create)(void *priv, void *obj, unsigned int root_id); diff --git a/lib/objagg.c b/lib/objagg.c index 73d711602573..57bde522f249 100644 --- a/lib/objagg.c +++ b/lib/objagg.c @@ -909,20 +909,6 @@ static const struct objagg_opt_algo *objagg_opt_algos[] = { [OBJAGG_OPT_ALGO_SIMPLE_GREEDY] = &objagg_opt_simple_greedy, }; -static int objagg_hints_obj_cmp(struct rhashtable_compare_arg *arg, - const void *obj) -{ - struct rhashtable *ht = arg->ht; - struct objagg_hints *objagg_hints = - container_of(ht, struct objagg_hints, node_ht); - const struct objagg_ops *ops = objagg_hints->ops; - const char *ptr = obj; - - ptr += ht->p.key_offset; - return ops->hints_obj_cmp ? ops->hints_obj_cmp(ptr, arg->key) : - memcmp(ptr, arg->key, ht->p.key_len); -} - /** * objagg_hints_get - obtains hints instance * @objagg: objagg instance @@ -961,7 +947,6 @@ struct objagg_hints *objagg_hints_get(struct objagg *objagg, offsetof(struct objagg_hints_node, obj); objagg_hints->ht_params.head_offset = offsetof(struct objagg_hints_node, ht_node); - objagg_hints->ht_params.obj_cmpfn = objagg_hints_obj_cmp; err = rhashtable_init(&objagg_hints->node_ht, &objagg_hints->ht_params); if (err) From aa98eb0740510e61926f6526ab1cbf933839e1e0 Mon Sep 17 00:00:00 2001 From: Amit Cohen Date: Thu, 6 Jan 2022 18:06:48 +0200 Subject: [PATCH 042/702] mlxsw: spectrum_acl_bloom_filter: Make mlxsw_sp_acl_bf_key_encode() more flexible [ Upstream commit 5d5c3ba9e4121b7738d10be3825f4d9a5a1d80ef ] Spectrum-4 will calculate hash function for bloom filter differently from the existing ASICs. One of the changes is related to the way that the chunks will be build - without padding. As preparation for support of Spectrum-4 bloom filter, make mlxsw_sp_acl_bf_key_encode() more flexible, so it will be able to use it for Spectrum-4 as well. Signed-off-by: Amit Cohen Reviewed-by: Petr Machata Signed-off-by: Ido Schimmel Signed-off-by: Jakub Kicinski Stable-dep-of: 75d8d7a63065 ("mlxsw: spectrum_acl: Fix ACL scale regression and firmware errors") Signed-off-by: Sasha Levin --- .../mlxsw/spectrum_acl_bloom_filter.c | 36 +++++++++++++------ 1 file changed, 25 insertions(+), 11 deletions(-) diff --git a/drivers/net/ethernet/mellanox/mlxsw/spectrum_acl_bloom_filter.c b/drivers/net/ethernet/mellanox/mlxsw/spectrum_acl_bloom_filter.c index 2e8b17e3b935..2d2e29c20277 100644 --- a/drivers/net/ethernet/mellanox/mlxsw/spectrum_acl_bloom_filter.c +++ b/drivers/net/ethernet/mellanox/mlxsw/spectrum_acl_bloom_filter.c @@ -116,9 +116,10 @@ static u16 mlxsw_sp_acl_bf_crc(const u8 *buffer, size_t len) } static void -mlxsw_sp_acl_bf_key_encode(struct mlxsw_sp_acl_atcam_region *aregion, - struct mlxsw_sp_acl_atcam_entry *aentry, - char *output, u8 *len) +__mlxsw_sp_acl_bf_key_encode(struct mlxsw_sp_acl_atcam_region *aregion, + struct mlxsw_sp_acl_atcam_entry *aentry, + char *output, u8 *len, u8 max_chunks, u8 pad_bytes, + u8 key_offset, u8 chunk_key_len, u8 chunk_len) { struct mlxsw_afk_key_info *key_info = aregion->region->key_info; u8 chunk_index, chunk_count, block_count; @@ -129,17 +130,30 @@ mlxsw_sp_acl_bf_key_encode(struct mlxsw_sp_acl_atcam_region *aregion, chunk_count = 1 + ((block_count - 1) >> 2); erp_region_id = cpu_to_be16(aentry->ht_key.erp_id | (aregion->region->id << 4)); - for (chunk_index = MLXSW_BLOOM_KEY_CHUNKS - chunk_count; - chunk_index < MLXSW_BLOOM_KEY_CHUNKS; chunk_index++) { - memset(chunk, 0, MLXSW_BLOOM_CHUNK_PAD_BYTES); - memcpy(chunk + MLXSW_BLOOM_CHUNK_PAD_BYTES, &erp_region_id, + for (chunk_index = max_chunks - chunk_count; chunk_index < max_chunks; + chunk_index++) { + memset(chunk, 0, pad_bytes); + memcpy(chunk + pad_bytes, &erp_region_id, sizeof(erp_region_id)); - memcpy(chunk + MLXSW_BLOOM_CHUNK_KEY_OFFSET, + memcpy(chunk + key_offset, &aentry->enc_key[chunk_key_offsets[chunk_index]], - MLXSW_BLOOM_CHUNK_KEY_BYTES); - chunk += MLXSW_BLOOM_KEY_CHUNK_BYTES; + chunk_key_len); + chunk += chunk_len; } - *len = chunk_count * MLXSW_BLOOM_KEY_CHUNK_BYTES; + *len = chunk_count * chunk_len; +} + +static void +mlxsw_sp_acl_bf_key_encode(struct mlxsw_sp_acl_atcam_region *aregion, + struct mlxsw_sp_acl_atcam_entry *aentry, + char *output, u8 *len) +{ + __mlxsw_sp_acl_bf_key_encode(aregion, aentry, output, len, + MLXSW_BLOOM_KEY_CHUNKS, + MLXSW_BLOOM_CHUNK_PAD_BYTES, + MLXSW_BLOOM_CHUNK_KEY_OFFSET, + MLXSW_BLOOM_CHUNK_KEY_BYTES, + MLXSW_BLOOM_KEY_CHUNK_BYTES); } static unsigned int From dae1ab70406e58657626c3449d3822739e1454f4 Mon Sep 17 00:00:00 2001 From: Ido Schimmel Date: Thu, 6 Jun 2024 16:49:43 +0200 Subject: [PATCH 043/702] mlxsw: spectrum_acl: Fix ACL scale regression and firmware errors [ Upstream commit 75d8d7a63065b18df9555dbaab0b42d4c6f20943 ] ACLs that reside in the algorithmic TCAM (A-TCAM) in Spectrum-2 and newer ASICs can share the same mask if their masks only differ in up to 8 consecutive bits. For example, consider the following filters: # tc filter add dev swp1 ingress pref 1 proto ip flower dst_ip 192.0.2.0/24 action drop # tc filter add dev swp1 ingress pref 1 proto ip flower dst_ip 198.51.100.128/25 action drop The second filter can use the same mask as the first (dst_ip/24) with a delta of 1 bit. However, the above only works because the two filters have different values in the common unmasked part (dst_ip/24). When entries have the same value in the common unmasked part they create undesired collisions in the device since many entries now have the same key. This leads to firmware errors such as [1] and to a reduced scale. Fix by adjusting the hash table key to only include the value in the common unmasked part. That is, without including the delta bits. That way the driver will detect the collision during filter insertion and spill the filter into the circuit TCAM (C-TCAM). Add a test case that fails without the fix and adjust existing cases that check C-TCAM spillage according to the above limitation. [1] mlxsw_spectrum2 0000:06:00.0: EMAD reg access failed (tid=3379b18a00003394,reg_id=3027(ptce3),type=write,status=8(resource not available)) Fixes: c22291f7cf45 ("mlxsw: spectrum: acl: Implement delta for ERP") Reported-by: Alexander Zubkov Signed-off-by: Ido Schimmel Reviewed-by: Amit Cohen Tested-by: Alexander Zubkov Signed-off-by: Petr Machata Reviewed-by: Simon Horman Signed-off-by: David S. Miller Signed-off-by: Sasha Levin --- .../mellanox/mlxsw/spectrum_acl_atcam.c | 18 +++--- .../mlxsw/spectrum_acl_bloom_filter.c | 2 +- .../mellanox/mlxsw/spectrum_acl_tcam.h | 9 +-- .../drivers/net/mlxsw/spectrum-2/tc_flower.sh | 55 +++++++++++++++++-- 4 files changed, 63 insertions(+), 21 deletions(-) diff --git a/drivers/net/ethernet/mellanox/mlxsw/spectrum_acl_atcam.c b/drivers/net/ethernet/mellanox/mlxsw/spectrum_acl_atcam.c index 4b713832fdd5..f5c0a4214c4e 100644 --- a/drivers/net/ethernet/mellanox/mlxsw/spectrum_acl_atcam.c +++ b/drivers/net/ethernet/mellanox/mlxsw/spectrum_acl_atcam.c @@ -391,7 +391,8 @@ mlxsw_sp_acl_atcam_region_entry_insert(struct mlxsw_sp *mlxsw_sp, if (err) return err; - lkey_id = aregion->ops->lkey_id_get(aregion, aentry->enc_key, erp_id); + lkey_id = aregion->ops->lkey_id_get(aregion, aentry->ht_key.enc_key, + erp_id); if (IS_ERR(lkey_id)) return PTR_ERR(lkey_id); aentry->lkey_id = lkey_id; @@ -399,7 +400,7 @@ mlxsw_sp_acl_atcam_region_entry_insert(struct mlxsw_sp *mlxsw_sp, kvdl_index = mlxsw_afa_block_first_kvdl_index(rulei->act_block); mlxsw_reg_ptce3_pack(ptce3_pl, true, MLXSW_REG_PTCE3_OP_WRITE_WRITE, priority, region->tcam_region_info, - aentry->enc_key, erp_id, + aentry->ht_key.enc_key, erp_id, aentry->delta_info.start, aentry->delta_info.mask, aentry->delta_info.value, @@ -428,7 +429,7 @@ mlxsw_sp_acl_atcam_region_entry_remove(struct mlxsw_sp *mlxsw_sp, mlxsw_reg_ptce3_pack(ptce3_pl, false, MLXSW_REG_PTCE3_OP_WRITE_WRITE, 0, region->tcam_region_info, - aentry->enc_key, erp_id, + aentry->ht_key.enc_key, erp_id, aentry->delta_info.start, aentry->delta_info.mask, aentry->delta_info.value, @@ -457,7 +458,7 @@ mlxsw_sp_acl_atcam_region_entry_action_replace(struct mlxsw_sp *mlxsw_sp, kvdl_index = mlxsw_afa_block_first_kvdl_index(rulei->act_block); mlxsw_reg_ptce3_pack(ptce3_pl, true, MLXSW_REG_PTCE3_OP_WRITE_UPDATE, priority, region->tcam_region_info, - aentry->enc_key, erp_id, + aentry->ht_key.enc_key, erp_id, aentry->delta_info.start, aentry->delta_info.mask, aentry->delta_info.value, @@ -480,15 +481,13 @@ __mlxsw_sp_acl_atcam_entry_add(struct mlxsw_sp *mlxsw_sp, int err; mlxsw_afk_encode(afk, region->key_info, &rulei->values, - aentry->ht_key.full_enc_key, mask); + aentry->ht_key.enc_key, mask); erp_mask = mlxsw_sp_acl_erp_mask_get(aregion, mask, false); if (IS_ERR(erp_mask)) return PTR_ERR(erp_mask); aentry->erp_mask = erp_mask; aentry->ht_key.erp_id = mlxsw_sp_acl_erp_mask_erp_id(erp_mask); - memcpy(aentry->enc_key, aentry->ht_key.full_enc_key, - sizeof(aentry->enc_key)); /* Compute all needed delta information and clear the delta bits * from the encrypted key. @@ -497,9 +496,8 @@ __mlxsw_sp_acl_atcam_entry_add(struct mlxsw_sp *mlxsw_sp, aentry->delta_info.start = mlxsw_sp_acl_erp_delta_start(delta); aentry->delta_info.mask = mlxsw_sp_acl_erp_delta_mask(delta); aentry->delta_info.value = - mlxsw_sp_acl_erp_delta_value(delta, - aentry->ht_key.full_enc_key); - mlxsw_sp_acl_erp_delta_clear(delta, aentry->enc_key); + mlxsw_sp_acl_erp_delta_value(delta, aentry->ht_key.enc_key); + mlxsw_sp_acl_erp_delta_clear(delta, aentry->ht_key.enc_key); /* Add rule to the list of A-TCAM rules, assuming this * rule is intended to A-TCAM. In case this rule does diff --git a/drivers/net/ethernet/mellanox/mlxsw/spectrum_acl_bloom_filter.c b/drivers/net/ethernet/mellanox/mlxsw/spectrum_acl_bloom_filter.c index 2d2e29c20277..3ab87db83b7f 100644 --- a/drivers/net/ethernet/mellanox/mlxsw/spectrum_acl_bloom_filter.c +++ b/drivers/net/ethernet/mellanox/mlxsw/spectrum_acl_bloom_filter.c @@ -136,7 +136,7 @@ __mlxsw_sp_acl_bf_key_encode(struct mlxsw_sp_acl_atcam_region *aregion, memcpy(chunk + pad_bytes, &erp_region_id, sizeof(erp_region_id)); memcpy(chunk + key_offset, - &aentry->enc_key[chunk_key_offsets[chunk_index]], + &aentry->ht_key.enc_key[chunk_key_offsets[chunk_index]], chunk_key_len); chunk += chunk_len; } diff --git a/drivers/net/ethernet/mellanox/mlxsw/spectrum_acl_tcam.h b/drivers/net/ethernet/mellanox/mlxsw/spectrum_acl_tcam.h index a41df10ade9b..f28c47ae5488 100644 --- a/drivers/net/ethernet/mellanox/mlxsw/spectrum_acl_tcam.h +++ b/drivers/net/ethernet/mellanox/mlxsw/spectrum_acl_tcam.h @@ -171,9 +171,9 @@ struct mlxsw_sp_acl_atcam_region { }; struct mlxsw_sp_acl_atcam_entry_ht_key { - char full_enc_key[MLXSW_REG_PTCEX_FLEX_KEY_BLOCKS_LEN]; /* Encoded - * key. - */ + char enc_key[MLXSW_REG_PTCEX_FLEX_KEY_BLOCKS_LEN]; /* Encoded key, minus + * delta bits. + */ u8 erp_id; }; @@ -185,9 +185,6 @@ struct mlxsw_sp_acl_atcam_entry { struct rhash_head ht_node; struct list_head list; /* Member in entries_list */ struct mlxsw_sp_acl_atcam_entry_ht_key ht_key; - char enc_key[MLXSW_REG_PTCEX_FLEX_KEY_BLOCKS_LEN]; /* Encoded key, - * minus delta bits. - */ struct { u16 start; u8 mask; diff --git a/tools/testing/selftests/drivers/net/mlxsw/spectrum-2/tc_flower.sh b/tools/testing/selftests/drivers/net/mlxsw/spectrum-2/tc_flower.sh index 616d3581419c..21d0f419cc6d 100755 --- a/tools/testing/selftests/drivers/net/mlxsw/spectrum-2/tc_flower.sh +++ b/tools/testing/selftests/drivers/net/mlxsw/spectrum-2/tc_flower.sh @@ -11,7 +11,7 @@ ALL_TESTS="single_mask_test identical_filters_test two_masks_test \ multiple_masks_test ctcam_edge_cases_test delta_simple_test \ delta_two_masks_one_key_test delta_simple_rehash_test \ bloom_simple_test bloom_complex_test bloom_delta_test \ - max_erp_entries_test max_group_size_test" + max_erp_entries_test max_group_size_test collision_test" NUM_NETIFS=2 source $lib_dir/lib.sh source $lib_dir/tc_common.sh @@ -457,7 +457,7 @@ delta_two_masks_one_key_test() { # If 2 keys are the same and only differ in mask in a way that # they belong under the same ERP (second is delta of the first), - # there should be no C-TCAM spill. + # there should be C-TCAM spill. RET=0 @@ -474,8 +474,8 @@ delta_two_masks_one_key_test() tp_record "mlxsw:*" "tc filter add dev $h2 ingress protocol ip \ pref 2 handle 102 flower $tcflags dst_ip 192.0.2.2 \ action drop" - tp_check_hits "mlxsw:mlxsw_sp_acl_atcam_entry_add_ctcam_spill" 0 - check_err $? "incorrect C-TCAM spill while inserting the second rule" + tp_check_hits "mlxsw:mlxsw_sp_acl_atcam_entry_add_ctcam_spill" 1 + check_err $? "C-TCAM spill did not happen while inserting the second rule" $MZ $h1 -c 1 -p 64 -a $h1mac -b $h2mac -A 192.0.2.1 -B 192.0.2.2 \ -t ip -q @@ -1087,6 +1087,53 @@ max_group_size_test() log_test "max ACL group size test ($tcflags). max size $max_size" } +collision_test() +{ + # Filters cannot share an eRP if in the common unmasked part (i.e., + # without the delta bits) they have the same values. If the driver does + # not prevent such configuration (by spilling into the C-TCAM), then + # multiple entries will be present in the device with the same key, + # leading to collisions and a reduced scale. + # + # Create such a scenario and make sure all the filters are successfully + # added. + + RET=0 + + local ret + + if [[ "$tcflags" != "skip_sw" ]]; then + return 0; + fi + + # Add a single dst_ip/24 filter and multiple dst_ip/32 filters that all + # have the same values in the common unmasked part (dst_ip/24). + + tc filter add dev $h2 ingress pref 1 proto ipv4 handle 101 \ + flower $tcflags dst_ip 198.51.100.0/24 \ + action drop + + for i in {0..255}; do + tc filter add dev $h2 ingress pref 2 proto ipv4 \ + handle $((102 + i)) \ + flower $tcflags dst_ip 198.51.100.${i}/32 \ + action drop + ret=$? + [[ $ret -ne 0 ]] && break + done + + check_err $ret "failed to add all the filters" + + for i in {255..0}; do + tc filter del dev $h2 ingress pref 2 proto ipv4 \ + handle $((102 + i)) flower + done + + tc filter del dev $h2 ingress pref 1 proto ipv4 handle 101 flower + + log_test "collision test ($tcflags)" +} + setup_prepare() { h1=${NETIFS[p1]} From 2aa1739334d037446827ec9703bb9ac6582cec00 Mon Sep 17 00:00:00 2001 From: Carl Huang Date: Fri, 11 Dec 2020 19:35:46 +0200 Subject: [PATCH 044/702] ath11k: dp: stop rx pktlog before suspend [ Upstream commit 840c36fa727aea13a2401a5d1d33b722b79df5af ] Stop dp rx pktlog when entering suspend and reap the mon_status buffer to keep it empty. During resume restart the reap timer. Tested-on: QCA6390 hw2.0 PCI WLAN.HST.1.0.1-01740-QCAHSTSWPLZ_V2_TO_X86-1 Signed-off-by: Carl Huang Signed-off-by: Kalle Valo Link: https://lore.kernel.org/r/1607708150-21066-7-git-send-email-kvalo@codeaurora.org Stable-dep-of: d2b0ca38d362 ("wifi: ath11k: fix wrong handling of CCMP256 and GCMP ciphers") Signed-off-by: Sasha Levin --- drivers/net/wireless/ath/ath11k/dp.h | 1 + drivers/net/wireless/ath/ath11k/dp_rx.c | 48 +++++++++++++++++++++++++ drivers/net/wireless/ath/ath11k/dp_rx.h | 3 ++ drivers/net/wireless/ath/ath11k/mac.c | 4 +++ 4 files changed, 56 insertions(+) diff --git a/drivers/net/wireless/ath/ath11k/dp.h b/drivers/net/wireless/ath/ath11k/dp.h index c4972233149f..89dc3ab2e2fb 100644 --- a/drivers/net/wireless/ath/ath11k/dp.h +++ b/drivers/net/wireless/ath/ath11k/dp.h @@ -40,6 +40,7 @@ struct dp_rx_tid { #define DP_REO_DESC_FREE_THRESHOLD 64 #define DP_REO_DESC_FREE_TIMEOUT_MS 1000 +#define DP_MON_PURGE_TIMEOUT_MS 100 #define DP_MON_SERVICE_BUDGET 128 struct dp_reo_cache_flush_elem { diff --git a/drivers/net/wireless/ath/ath11k/dp_rx.c b/drivers/net/wireless/ath/ath11k/dp_rx.c index a50325f4634b..a83b5edea66b 100644 --- a/drivers/net/wireless/ath/ath11k/dp_rx.c +++ b/drivers/net/wireless/ath/ath11k/dp_rx.c @@ -274,6 +274,28 @@ static void ath11k_dp_service_mon_ring(struct timer_list *t) msecs_to_jiffies(ATH11K_MON_TIMER_INTERVAL)); } +static int ath11k_dp_purge_mon_ring(struct ath11k_base *ab) +{ + int i, reaped = 0; + unsigned long timeout = jiffies + msecs_to_jiffies(DP_MON_PURGE_TIMEOUT_MS); + + do { + for (i = 0; i < ab->hw_params.num_rxmda_per_pdev; i++) + reaped += ath11k_dp_rx_process_mon_rings(ab, i, + NULL, + DP_MON_SERVICE_BUDGET); + + /* nothing more to reap */ + if (reaped < DP_MON_SERVICE_BUDGET) + return 0; + + } while (time_before(jiffies, timeout)); + + ath11k_warn(ab, "dp mon ring purge timeout"); + + return -ETIMEDOUT; +} + /* Returns number of Rx buffers replenished */ int ath11k_dp_rxbufs_replenish(struct ath11k_base *ab, int mac_id, struct dp_rxdma_ring *rx_ring, @@ -5065,3 +5087,29 @@ int ath11k_dp_rx_pdev_mon_detach(struct ath11k *ar) ath11k_dp_mon_link_free(ar); return 0; } + +int ath11k_dp_rx_pktlog_start(struct ath11k_base *ab) +{ + /* start reap timer */ + mod_timer(&ab->mon_reap_timer, + jiffies + msecs_to_jiffies(ATH11K_MON_TIMER_INTERVAL)); + + return 0; +} + +int ath11k_dp_rx_pktlog_stop(struct ath11k_base *ab, bool stop_timer) +{ + int ret; + + if (stop_timer) + del_timer_sync(&ab->mon_reap_timer); + + /* reap all the monitor related rings */ + ret = ath11k_dp_purge_mon_ring(ab); + if (ret) { + ath11k_warn(ab, "failed to purge dp mon ring: %d\n", ret); + return ret; + } + + return 0; +} diff --git a/drivers/net/wireless/ath/ath11k/dp_rx.h b/drivers/net/wireless/ath/ath11k/dp_rx.h index 6986752fc4b6..623da3bf9dc8 100644 --- a/drivers/net/wireless/ath/ath11k/dp_rx.h +++ b/drivers/net/wireless/ath/ath11k/dp_rx.h @@ -92,4 +92,7 @@ int ath11k_dp_rx_pdev_mon_detach(struct ath11k *ar); int ath11k_dp_rx_pdev_mon_attach(struct ath11k *ar); int ath11k_peer_rx_frag_setup(struct ath11k *ar, const u8 *peer_mac, int vdev_id); +int ath11k_dp_rx_pktlog_start(struct ath11k_base *ab); +int ath11k_dp_rx_pktlog_stop(struct ath11k_base *ab, bool stop_timer); + #endif /* ATH11K_DP_RX_H */ diff --git a/drivers/net/wireless/ath/ath11k/mac.c b/drivers/net/wireless/ath/ath11k/mac.c index 3170c54c97b7..835e181d22cb 100644 --- a/drivers/net/wireless/ath/ath11k/mac.c +++ b/drivers/net/wireless/ath/ath11k/mac.c @@ -4149,6 +4149,10 @@ static int ath11k_mac_config_mon_status_default(struct ath11k *ar, bool enable) &tlv_filter); } + if (enable && !ar->ab->hw_params.rxdma1_enable) + mod_timer(&ar->ab->mon_reap_timer, jiffies + + msecs_to_jiffies(ATH11K_MON_TIMER_INTERVAL)); + return ret; } From 4055275ca3e0ca1bdbd76315f7f941640677c681 Mon Sep 17 00:00:00 2001 From: Baochen Qiang Date: Tue, 11 Jun 2024 09:42:34 +0300 Subject: [PATCH 045/702] wifi: ath11k: fix wrong handling of CCMP256 and GCMP ciphers [ Upstream commit d2b0ca38d362ebf16ca79cd7f309d5bb8b581deb ] Currently for CCMP256, GCMP128 and GCMP256 ciphers, in ath11k_install_key() IEEE80211_KEY_FLAG_GENERATE_IV_MGMT is not set. And in ath11k_mac_mgmt_tx_wmi() a length of IEEE80211_CCMP_MIC_LEN is reserved for all ciphers. This results in unexpected management frame drop in case either of above 3 ciphers is used. The reason is, without IEEE80211_KEY_FLAG_GENERATE_IV_MGMT set, mac80211 will not generate CCMP/GCMP headers in frame for ath11k. Also MIC length reserved is wrong. Such frame is dropped later by hardware: ath11k_pci 0000:5a:00.0: mac tx mgmt frame, buf id 0 ath11k_pci 0000:5a:00.0: mgmt tx compl ev pdev_id 1, desc_id 0, status 1 From user point of view, we have observed very low throughput due to this issue: action frames are all dropped so ADDBA response from DUT never reaches AP. AP can not use aggregation thus throughput is low. Fix this by setting IEEE80211_KEY_FLAG_GENERATE_IV_MGMT flag and by reserving proper MIC length for those ciphers. Tested-on: WCN6855 hw2.0 PCI WLAN.HSP.1.1-03125-QCAHSPSWPL_V1_V2_SILICONZ_LITE-3.6510.30 Tested-on: QCN9074 hw1.0 PCI WLAN.HK.2.7.0.1-01744-QCAHKSWPL_SILICONZ-1 Fixes: d5c65159f289 ("ath11k: driver for Qualcomm IEEE 802.11ax devices") Reported-by: Yaroslav Isakov Tested-by: Yaroslav Isakov Closes: https://lore.kernel.org/all/CADS+iDX5=JtJr0apAtAQ02WWBxgOFEv8G063vuGYwDTC8AVZaw@mail.gmail.com Signed-off-by: Baochen Qiang Acked-by: Jeff Johnson Signed-off-by: Kalle Valo Link: https://msgid.link/20240605014826.22498-1-quic_bqiang@quicinc.com Signed-off-by: Sasha Levin --- drivers/net/wireless/ath/ath11k/dp_rx.c | 3 +-- drivers/net/wireless/ath/ath11k/dp_rx.h | 3 +++ drivers/net/wireless/ath/ath11k/mac.c | 15 +++++++++++---- 3 files changed, 15 insertions(+), 6 deletions(-) diff --git a/drivers/net/wireless/ath/ath11k/dp_rx.c b/drivers/net/wireless/ath/ath11k/dp_rx.c index a83b5edea66b..6c4b84282e44 100644 --- a/drivers/net/wireless/ath/ath11k/dp_rx.c +++ b/drivers/net/wireless/ath/ath11k/dp_rx.c @@ -1852,8 +1852,7 @@ static void ath11k_dp_rx_h_csum_offload(struct sk_buff *msdu) CHECKSUM_NONE : CHECKSUM_UNNECESSARY; } -static int ath11k_dp_rx_crypto_mic_len(struct ath11k *ar, - enum hal_encrypt_type enctype) +int ath11k_dp_rx_crypto_mic_len(struct ath11k *ar, enum hal_encrypt_type enctype) { switch (enctype) { case HAL_ENCRYPT_TYPE_OPEN: diff --git a/drivers/net/wireless/ath/ath11k/dp_rx.h b/drivers/net/wireless/ath/ath11k/dp_rx.h index 623da3bf9dc8..c322e30caa96 100644 --- a/drivers/net/wireless/ath/ath11k/dp_rx.h +++ b/drivers/net/wireless/ath/ath11k/dp_rx.h @@ -1,6 +1,7 @@ /* SPDX-License-Identifier: BSD-3-Clause-Clear */ /* * Copyright (c) 2018-2019 The Linux Foundation. All rights reserved. + * Copyright (c) 2024 Qualcomm Innovation Center, Inc. All rights reserved. */ #ifndef ATH11K_DP_RX_H #define ATH11K_DP_RX_H @@ -95,4 +96,6 @@ int ath11k_peer_rx_frag_setup(struct ath11k *ar, const u8 *peer_mac, int vdev_id int ath11k_dp_rx_pktlog_start(struct ath11k_base *ab); int ath11k_dp_rx_pktlog_stop(struct ath11k_base *ab, bool stop_timer); +int ath11k_dp_rx_crypto_mic_len(struct ath11k *ar, enum hal_encrypt_type enctype); + #endif /* ATH11K_DP_RX_H */ diff --git a/drivers/net/wireless/ath/ath11k/mac.c b/drivers/net/wireless/ath/ath11k/mac.c index 835e181d22cb..b66b6a7072d8 100644 --- a/drivers/net/wireless/ath/ath11k/mac.c +++ b/drivers/net/wireless/ath/ath11k/mac.c @@ -2410,6 +2410,7 @@ static int ath11k_install_key(struct ath11k_vif *arvif, switch (key->cipher) { case WLAN_CIPHER_SUITE_CCMP: + case WLAN_CIPHER_SUITE_CCMP_256: arg.key_cipher = WMI_CIPHER_AES_CCM; /* TODO: Re-check if flag is valid */ key->flags |= IEEE80211_KEY_FLAG_GENERATE_IV_MGMT; @@ -2419,12 +2420,10 @@ static int ath11k_install_key(struct ath11k_vif *arvif, arg.key_txmic_len = 8; arg.key_rxmic_len = 8; break; - case WLAN_CIPHER_SUITE_CCMP_256: - arg.key_cipher = WMI_CIPHER_AES_CCM; - break; case WLAN_CIPHER_SUITE_GCMP: case WLAN_CIPHER_SUITE_GCMP_256: arg.key_cipher = WMI_CIPHER_AES_GCM; + key->flags |= IEEE80211_KEY_FLAG_GENERATE_IV_MGMT; break; default: ath11k_warn(ar->ab, "cipher %d is not supported\n", key->cipher); @@ -3946,7 +3945,10 @@ static int ath11k_mac_mgmt_tx_wmi(struct ath11k *ar, struct ath11k_vif *arvif, { struct ath11k_base *ab = ar->ab; struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)skb->data; + struct ath11k_skb_cb *skb_cb = ATH11K_SKB_CB(skb); struct ieee80211_tx_info *info; + enum hal_encrypt_type enctype; + unsigned int mic_len; dma_addr_t paddr; int buf_id; int ret; @@ -3966,7 +3968,12 @@ static int ath11k_mac_mgmt_tx_wmi(struct ath11k *ar, struct ath11k_vif *arvif, ieee80211_is_deauth(hdr->frame_control) || ieee80211_is_disassoc(hdr->frame_control)) && ieee80211_has_protected(hdr->frame_control)) { - skb_put(skb, IEEE80211_CCMP_MIC_LEN); + if (!(skb_cb->flags & ATH11K_SKB_CIPHER_SET)) + ath11k_warn(ab, "WMI management tx frame without ATH11K_SKB_CIPHER_SET"); + + enctype = ath11k_dp_tx_get_encrypt_type(skb_cb->cipher); + mic_len = ath11k_dp_rx_crypto_mic_len(ar, enctype); + skb_put(skb, mic_len); } } From 72e470089fc4e692c38fe8f1eaceba9bcc981353 Mon Sep 17 00:00:00 2001 From: Baochen Qiang Date: Thu, 6 Jun 2024 10:06:52 +0800 Subject: [PATCH 046/702] wifi: cfg80211: fix typo in cfg80211_calculate_bitrate_he() [ Upstream commit 9ee0d44f055276fe2802b2f65058e920853f4f99 ] rates_996 is mistakenly written as rates_969, fix it. Fixes: c4cbaf7973a7 ("cfg80211: Add support for HE") Signed-off-by: Baochen Qiang Link: https://msgid.link/20240606020653.33205-2-quic_bqiang@quicinc.com Signed-off-by: Johannes Berg Signed-off-by: Sasha Levin --- net/wireless/util.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/net/wireless/util.c b/net/wireless/util.c index 4b32e85c2d9a..0d5b1c18d62f 100644 --- a/net/wireless/util.c +++ b/net/wireless/util.c @@ -1334,7 +1334,7 @@ static u32 cfg80211_calculate_bitrate_he(struct rate_info *rate) 2048, /* 1.000000... */ }; u32 rates_160M[3] = { 960777777, 907400000, 816666666 }; - u32 rates_969[3] = { 480388888, 453700000, 408333333 }; + u32 rates_996[3] = { 480388888, 453700000, 408333333 }; u32 rates_484[3] = { 229411111, 216666666, 195000000 }; u32 rates_242[3] = { 114711111, 108333333, 97500000 }; u32 rates_106[3] = { 40000000, 37777777, 34000000 }; @@ -1359,7 +1359,7 @@ static u32 cfg80211_calculate_bitrate_he(struct rate_info *rate) else if (rate->bw == RATE_INFO_BW_80 || (rate->bw == RATE_INFO_BW_HE_RU && rate->he_ru_alloc == NL80211_RATE_INFO_HE_RU_ALLOC_996)) - result = rates_969[rate->he_gi]; + result = rates_996[rate->he_gi]; else if (rate->bw == RATE_INFO_BW_40 || (rate->bw == RATE_INFO_BW_HE_RU && rate->he_ru_alloc == NL80211_RATE_INFO_HE_RU_ALLOC_484)) From 2e201b3d162c6c49417c438ffb30b58c9f85769f Mon Sep 17 00:00:00 2001 From: Baochen Qiang Date: Thu, 6 Jun 2024 10:06:53 +0800 Subject: [PATCH 047/702] wifi: cfg80211: handle 2x996 RU allocation in cfg80211_calculate_bitrate_he() [ Upstream commit bcbd771cd5d68c0c52567556097d75f9fc4e7cd6 ] Currently NL80211_RATE_INFO_HE_RU_ALLOC_2x996 is not handled in cfg80211_calculate_bitrate_he(), leading to below warning: kernel: invalid HE MCS: bw:6, ru:6 kernel: WARNING: CPU: 0 PID: 2312 at net/wireless/util.c:1501 cfg80211_calculate_bitrate_he+0x22b/0x270 [cfg80211] Fix it by handling 2x996 RU allocation in the same way as 160 MHz bandwidth. Fixes: c4cbaf7973a7 ("cfg80211: Add support for HE") Signed-off-by: Baochen Qiang Link: https://msgid.link/20240606020653.33205-3-quic_bqiang@quicinc.com Signed-off-by: Johannes Berg Signed-off-by: Sasha Levin --- net/wireless/util.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/net/wireless/util.c b/net/wireless/util.c index 0d5b1c18d62f..37719fc39f64 100644 --- a/net/wireless/util.c +++ b/net/wireless/util.c @@ -1354,7 +1354,9 @@ static u32 cfg80211_calculate_bitrate_he(struct rate_info *rate) if (WARN_ON_ONCE(rate->nss < 1 || rate->nss > 8)) return 0; - if (rate->bw == RATE_INFO_BW_160) + if (rate->bw == RATE_INFO_BW_160 || + (rate->bw == RATE_INFO_BW_HE_RU && + rate->he_ru_alloc == NL80211_RATE_INFO_HE_RU_ALLOC_2x996)) result = rates_160M[rate->he_gi]; else if (rate->bw == RATE_INFO_BW_80 || (rate->bw == RATE_INFO_BW_HE_RU && From 29254059a1f897d56777f0670809cc6eeef61ff3 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Cs=C3=B3k=C3=A1s=20Bence?= Date: Mon, 12 Feb 2024 16:37:17 +0100 Subject: [PATCH 048/702] net: fec: Refactor: #define magic constants MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit [ Upstream commit ff049886671ccd4e624a30ec464cb20e4c39a313 ] Add defines for bits of ECR, RCR control registers, TX watermark etc. Signed-off-by: Csókás Bence Reviewed-by: Andrew Lunn Link: https://lore.kernel.org/r/20240212153717.10023-1-csokas.bence@prolan.hu Signed-off-by: Jakub Kicinski Stable-dep-of: c32fe1986f27 ("net: fec: Fix FEC_ECR_EN1588 being cleared on link-down") Signed-off-by: Sasha Levin --- drivers/net/ethernet/freescale/fec_main.c | 46 +++++++++++++++-------- 1 file changed, 30 insertions(+), 16 deletions(-) diff --git a/drivers/net/ethernet/freescale/fec_main.c b/drivers/net/ethernet/freescale/fec_main.c index adb76db66031..269c6365ec09 100644 --- a/drivers/net/ethernet/freescale/fec_main.c +++ b/drivers/net/ethernet/freescale/fec_main.c @@ -220,8 +220,8 @@ MODULE_PARM_DESC(macaddr, "FEC Ethernet MAC address"); #define PKT_MINBUF_SIZE 64 /* FEC receive acceleration */ -#define FEC_RACC_IPDIS (1 << 1) -#define FEC_RACC_PRODIS (1 << 2) +#define FEC_RACC_IPDIS BIT(1) +#define FEC_RACC_PRODIS BIT(2) #define FEC_RACC_SHIFT16 BIT(7) #define FEC_RACC_OPTIONS (FEC_RACC_IPDIS | FEC_RACC_PRODIS) @@ -253,8 +253,23 @@ MODULE_PARM_DESC(macaddr, "FEC Ethernet MAC address"); #define FEC_MMFR_TA (2 << 16) #define FEC_MMFR_DATA(v) (v & 0xffff) /* FEC ECR bits definition */ -#define FEC_ECR_MAGICEN (1 << 2) -#define FEC_ECR_SLEEP (1 << 3) +#define FEC_ECR_RESET BIT(0) +#define FEC_ECR_ETHEREN BIT(1) +#define FEC_ECR_MAGICEN BIT(2) +#define FEC_ECR_SLEEP BIT(3) +#define FEC_ECR_EN1588 BIT(4) +#define FEC_ECR_BYTESWP BIT(8) +/* FEC RCR bits definition */ +#define FEC_RCR_LOOP BIT(0) +#define FEC_RCR_HALFDPX BIT(1) +#define FEC_RCR_MII BIT(2) +#define FEC_RCR_PROMISC BIT(3) +#define FEC_RCR_BC_REJ BIT(4) +#define FEC_RCR_FLOWCTL BIT(5) +#define FEC_RCR_RMII BIT(8) +#define FEC_RCR_10BASET BIT(9) +/* TX WMARK bits */ +#define FEC_TXWMRK_STRFWD BIT(8) #define FEC_MII_TIMEOUT 30000 /* us */ @@ -949,7 +964,7 @@ fec_restart(struct net_device *ndev) u32 val; u32 temp_mac[2]; u32 rcntl = OPT_FRAME_SIZE | 0x04; - u32 ecntl = 0x2; /* ETHEREN */ + u32 ecntl = FEC_ECR_ETHEREN; /* Whack a reset. We should wait for this. * For i.MX6SX SOC, enet use AXI bus, we use disable MAC @@ -1025,18 +1040,18 @@ fec_restart(struct net_device *ndev) fep->phy_interface == PHY_INTERFACE_MODE_RGMII_TXID) rcntl |= (1 << 6); else if (fep->phy_interface == PHY_INTERFACE_MODE_RMII) - rcntl |= (1 << 8); + rcntl |= FEC_RCR_RMII; else - rcntl &= ~(1 << 8); + rcntl &= ~FEC_RCR_RMII; /* 1G, 100M or 10M */ if (ndev->phydev) { if (ndev->phydev->speed == SPEED_1000) ecntl |= (1 << 5); else if (ndev->phydev->speed == SPEED_100) - rcntl &= ~(1 << 9); + rcntl &= ~FEC_RCR_10BASET; else - rcntl |= (1 << 9); + rcntl |= FEC_RCR_10BASET; } } else { #ifdef FEC_MIIGSK_ENR @@ -1095,13 +1110,13 @@ fec_restart(struct net_device *ndev) if (fep->quirks & FEC_QUIRK_ENET_MAC) { /* enable ENET endian swap */ - ecntl |= (1 << 8); + ecntl |= FEC_ECR_BYTESWP; /* enable ENET store and forward mode */ - writel(1 << 8, fep->hwp + FEC_X_WMRK); + writel(FEC_TXWMRK_STRFWD, fep->hwp + FEC_X_WMRK); } if (fep->bufdesc_ex) - ecntl |= (1 << 4); + ecntl |= FEC_ECR_EN1588; #ifndef CONFIG_M5272 /* Enable the MIB statistic event counters */ @@ -1148,7 +1163,7 @@ static void fec_stop(struct net_device *ndev) { struct fec_enet_private *fep = netdev_priv(ndev); - u32 rmii_mode = readl(fep->hwp + FEC_R_CNTRL) & (1 << 8); + u32 rmii_mode = readl(fep->hwp + FEC_R_CNTRL) & FEC_RCR_RMII; u32 val; /* We cannot expect a graceful transmit stop without link !!! */ @@ -1167,7 +1182,7 @@ fec_stop(struct net_device *ndev) if (fep->quirks & FEC_QUIRK_HAS_AVB) { writel(0, fep->hwp + FEC_ECNTRL); } else { - writel(1, fep->hwp + FEC_ECNTRL); + writel(FEC_ECR_RESET, fep->hwp + FEC_ECNTRL); udelay(10); } writel(FEC_DEFAULT_IMASK, fep->hwp + FEC_IMASK); @@ -1183,12 +1198,11 @@ fec_stop(struct net_device *ndev) /* We have to keep ENET enabled to have MII interrupt stay working */ if (fep->quirks & FEC_QUIRK_ENET_MAC && !(fep->wol_flag & FEC_WOL_FLAG_SLEEP_ON)) { - writel(2, fep->hwp + FEC_ECNTRL); + writel(FEC_ECR_ETHEREN, fep->hwp + FEC_ECNTRL); writel(rmii_mode, fep->hwp + FEC_R_CNTRL); } } - static void fec_timeout(struct net_device *ndev, unsigned int txqueue) { From 2912a0d136ee2abc7168c60200dc804b755fdddd Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Cs=C3=B3k=C3=A1s=2C=20Bence?= Date: Wed, 19 Jun 2024 14:31:11 +0200 Subject: [PATCH 049/702] net: fec: Fix FEC_ECR_EN1588 being cleared on link-down MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit [ Upstream commit c32fe1986f27cac329767d3497986e306cad1d5e ] FEC_ECR_EN1588 bit gets cleared after MAC reset in `fec_stop()`, which makes all 1588 functionality shut down, and all the extended registers disappear, on link-down, making the adapter fall back to compatibility "dumb mode". However, some functionality needs to be retained (e.g. PPS) even without link. Fixes: 6605b730c061 ("FEC: Add time stamping code and a PTP hardware clock") Cc: Richard Cochran Reviewed-by: Andrew Lunn Link: https://lore.kernel.org/netdev/5fa9fadc-a89d-467a-aae9-c65469ff5fe1@lunn.ch/ Signed-off-by: Csókás, Bence Reviewed-by: Wei Fang Signed-off-by: David S. Miller Signed-off-by: Sasha Levin --- drivers/net/ethernet/freescale/fec_main.c | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/drivers/net/ethernet/freescale/fec_main.c b/drivers/net/ethernet/freescale/fec_main.c index 269c6365ec09..a591ca0b3778 100644 --- a/drivers/net/ethernet/freescale/fec_main.c +++ b/drivers/net/ethernet/freescale/fec_main.c @@ -1201,6 +1201,12 @@ fec_stop(struct net_device *ndev) writel(FEC_ECR_ETHEREN, fep->hwp + FEC_ECNTRL); writel(rmii_mode, fep->hwp + FEC_R_CNTRL); } + + if (fep->bufdesc_ex) { + val = readl(fep->hwp + FEC_ECNTRL); + val |= FEC_ECR_EN1588; + writel(val, fep->hwp + FEC_ECNTRL); + } } static void From 0d08015beedbb9e387fcf84c9c6aeff627775a4e Mon Sep 17 00:00:00 2001 From: Ismael Luceno Date: Thu, 23 May 2024 18:54:44 +0200 Subject: [PATCH 050/702] ipvs: Avoid unnecessary calls to skb_is_gso_sctp [ Upstream commit 53796b03295cf7ab1fc8600016fa6dfbf4a494a0 ] In the context of the SCTP SNAT/DNAT handler, these calls can only return true. Fixes: e10d3ba4d434 ("ipvs: Fix checksumming on GSO of SCTP packets") Signed-off-by: Ismael Luceno Acked-by: Julian Anastasov Acked-by: Simon Horman Signed-off-by: Pablo Neira Ayuso Signed-off-by: Sasha Levin --- net/netfilter/ipvs/ip_vs_proto_sctp.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/net/netfilter/ipvs/ip_vs_proto_sctp.c b/net/netfilter/ipvs/ip_vs_proto_sctp.c index 1e689c714127..83e452916403 100644 --- a/net/netfilter/ipvs/ip_vs_proto_sctp.c +++ b/net/netfilter/ipvs/ip_vs_proto_sctp.c @@ -126,7 +126,7 @@ sctp_snat_handler(struct sk_buff *skb, struct ip_vs_protocol *pp, if (sctph->source != cp->vport || payload_csum || skb->ip_summed == CHECKSUM_PARTIAL) { sctph->source = cp->vport; - if (!skb_is_gso(skb) || !skb_is_gso_sctp(skb)) + if (!skb_is_gso(skb)) sctp_nat_csum(skb, sctph, sctphoff); } else { skb->ip_summed = CHECKSUM_UNNECESSARY; @@ -175,7 +175,7 @@ sctp_dnat_handler(struct sk_buff *skb, struct ip_vs_protocol *pp, (skb->ip_summed == CHECKSUM_PARTIAL && !(skb_dst(skb)->dev->features & NETIF_F_SCTP_CRC))) { sctph->dest = cp->dport; - if (!skb_is_gso(skb) || !skb_is_gso_sctp(skb)) + if (!skb_is_gso(skb)) sctp_nat_csum(skb, sctph, sctphoff); } else if (skb->ip_summed != CHECKSUM_PARTIAL) { skb->ip_summed = CHECKSUM_UNNECESSARY; From d4f4188ecfe58d73c108d43693823557785cde06 Mon Sep 17 00:00:00 2001 From: Pablo Neira Ayuso Date: Mon, 3 Jun 2024 20:16:59 +0200 Subject: [PATCH 051/702] netfilter: nf_tables: rise cap on SELinux secmark context [ Upstream commit e29630247be24c3987e2b048f8e152771b32d38b ] secmark context is artificially limited 256 bytes, rise it to 4Kbytes. Fixes: fb961945457f ("netfilter: nf_tables: add SECMARK support") Signed-off-by: Pablo Neira Ayuso Signed-off-by: Sasha Levin --- include/uapi/linux/netfilter/nf_tables.h | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/include/uapi/linux/netfilter/nf_tables.h b/include/uapi/linux/netfilter/nf_tables.h index f93ffb1b6739..40d900537093 100644 --- a/include/uapi/linux/netfilter/nf_tables.h +++ b/include/uapi/linux/netfilter/nf_tables.h @@ -1284,7 +1284,7 @@ enum nft_secmark_attributes { #define NFTA_SECMARK_MAX (__NFTA_SECMARK_MAX - 1) /* Max security context length */ -#define NFT_SECMARK_CTX_MAXLEN 256 +#define NFT_SECMARK_CTX_MAXLEN 4096 /** * enum nft_reject_types - nf_tables reject expression reject types From a497a6b72b294a6bdeb54daa2dfcb53337fc4629 Mon Sep 17 00:00:00 2001 From: Adrian Hunter Date: Mon, 24 Jun 2024 23:10:57 +0300 Subject: [PATCH 052/702] perf/x86/intel/pt: Fix pt_topa_entry_for_page() address calculation [ Upstream commit 3520b251dcae2b4a27b95cd6f745c54fd658bda5 ] Currently, perf allocates an array of page pointers which is limited in size by MAX_PAGE_ORDER. That in turn limits the maximum Intel PT buffer size to 2GiB. Should that limitation be lifted, the Intel PT driver can support larger sizes, except for one calculation in pt_topa_entry_for_page(), which is limited to 32-bits. Fix pt_topa_entry_for_page() address calculation by adding a cast. Fixes: 39152ee51b77 ("perf/x86/intel/pt: Get rid of reverse lookup table for ToPA") Signed-off-by: Adrian Hunter Signed-off-by: Peter Zijlstra (Intel) Link: https://lore.kernel.org/r/20240624201101.60186-4-adrian.hunter@intel.com Signed-off-by: Sasha Levin --- arch/x86/events/intel/pt.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/arch/x86/events/intel/pt.c b/arch/x86/events/intel/pt.c index 5667b8b994e3..d97d34b4669b 100644 --- a/arch/x86/events/intel/pt.c +++ b/arch/x86/events/intel/pt.c @@ -973,7 +973,7 @@ pt_topa_entry_for_page(struct pt_buffer *buf, unsigned int pg) * order allocations, there shouldn't be many of these. */ list_for_each_entry(topa, &buf->tables, list) { - if (topa->offset + topa->size > pg << PAGE_SHIFT) + if (topa->offset + topa->size > (unsigned long)pg << PAGE_SHIFT) goto found; } From a2450206c092c310f109ca77fa288625dff38898 Mon Sep 17 00:00:00 2001 From: Adrian Hunter Date: Mon, 24 Jun 2024 23:10:58 +0300 Subject: [PATCH 053/702] perf: Fix perf_aux_size() for greater-than 32-bit size [ Upstream commit 3df94a5b1078dfe2b0c03f027d018800faf44c82 ] perf_buffer->aux_nr_pages uses a 32-bit type, so a cast is needed to calculate a 64-bit size. Fixes: 45bfb2e50471 ("perf: Add AUX area to ring buffer for raw data streams") Signed-off-by: Adrian Hunter Signed-off-by: Peter Zijlstra (Intel) Link: https://lore.kernel.org/r/20240624201101.60186-5-adrian.hunter@intel.com Signed-off-by: Sasha Levin --- kernel/events/internal.h | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/kernel/events/internal.h b/kernel/events/internal.h index aa23ffdaf819..8e63cc2bd4f7 100644 --- a/kernel/events/internal.h +++ b/kernel/events/internal.h @@ -128,7 +128,7 @@ static inline unsigned long perf_data_size(struct perf_buffer *rb) static inline unsigned long perf_aux_size(struct perf_buffer *rb) { - return rb->aux_nr_pages << PAGE_SHIFT; + return (unsigned long)rb->aux_nr_pages << PAGE_SHIFT; } #define __DEFINE_OUTPUT_COPY_BODY(advance_buf, memcpy_func, ...) \ From 7f132aca18208837a86cd51ba254b901ad73e154 Mon Sep 17 00:00:00 2001 From: Adrian Hunter Date: Mon, 24 Jun 2024 23:10:59 +0300 Subject: [PATCH 054/702] perf: Prevent passing zero nr_pages to rb_alloc_aux() [ Upstream commit dbc48c8f41c208082cfa95e973560134489e3309 ] nr_pages is unsigned long but gets passed to rb_alloc_aux() as an int, and is stored as an int. Only power-of-2 values are accepted, so if nr_pages is a 64_bit value, it will be passed to rb_alloc_aux() as zero. That is not ideal because: 1. the value is incorrect 2. rb_alloc_aux() is at risk of misbehaving, although it manages to return -ENOMEM in that case, it is a result of passing zero to get_order() even though the get_order() result is documented to be undefined in that case. Fix by simply validating the maximum supported value in the first place. Use -ENOMEM error code for consistency with the current error code that is returned in that case. Fixes: 45bfb2e50471 ("perf: Add AUX area to ring buffer for raw data streams") Signed-off-by: Adrian Hunter Signed-off-by: Peter Zijlstra (Intel) Link: https://lore.kernel.org/r/20240624201101.60186-6-adrian.hunter@intel.com Signed-off-by: Sasha Levin --- kernel/events/core.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/kernel/events/core.c b/kernel/events/core.c index 3a191bec69ac..b60325cc8604 100644 --- a/kernel/events/core.c +++ b/kernel/events/core.c @@ -6239,6 +6239,8 @@ static int perf_mmap(struct file *file, struct vm_area_struct *vma) return -EINVAL; nr_pages = vma_size / PAGE_SIZE; + if (nr_pages > INT_MAX) + return -ENOMEM; mutex_lock(&event->mmap_mutex); ret = -EINVAL; From b33dd45086401c231616f88ec5d827f825ebe35d Mon Sep 17 00:00:00 2001 From: Shai Malin Date: Mon, 13 Sep 2021 10:50:24 +0300 Subject: [PATCH 055/702] qed: Improve the stack space of filter_config() [ Upstream commit f55e36d5ab76c3097ff36ecea60b91c6b0d80fc8 ] As it was reported and discussed in: https://lore.kernel.org/lkml/CAHk-=whF9F89vsfH8E9TGc0tZA-yhzi2Di8wOtquNB5vRkFX5w@mail.gmail.com/ This patch improves the stack space of qede_config_rx_mode() by splitting filter_config() to 3 functions and removing the union qed_filter_type_params. Reported-by: Naresh Kamboju Signed-off-by: Ariel Elior Signed-off-by: Shai Malin Signed-off-by: David S. Miller Stable-dep-of: b5d14b0c6716 ("wifi: virt_wifi: avoid reporting connection success with wrong SSID") Signed-off-by: Sasha Levin --- drivers/net/ethernet/qlogic/qed/qed_l2.c | 23 ++------- .../net/ethernet/qlogic/qede/qede_filter.c | 47 ++++++++----------- include/linux/qed/qed_eth_if.h | 21 ++++----- 3 files changed, 30 insertions(+), 61 deletions(-) diff --git a/drivers/net/ethernet/qlogic/qed/qed_l2.c b/drivers/net/ethernet/qlogic/qed/qed_l2.c index 0157bcd2efff..198022bc1f94 100644 --- a/drivers/net/ethernet/qlogic/qed/qed_l2.c +++ b/drivers/net/ethernet/qlogic/qed/qed_l2.c @@ -2762,25 +2762,6 @@ static int qed_configure_filter_mcast(struct qed_dev *cdev, return qed_filter_mcast_cmd(cdev, &mcast, QED_SPQ_MODE_CB, NULL); } -static int qed_configure_filter(struct qed_dev *cdev, - struct qed_filter_params *params) -{ - enum qed_filter_rx_mode_type accept_flags; - - switch (params->type) { - case QED_FILTER_TYPE_UCAST: - return qed_configure_filter_ucast(cdev, ¶ms->filter.ucast); - case QED_FILTER_TYPE_MCAST: - return qed_configure_filter_mcast(cdev, ¶ms->filter.mcast); - case QED_FILTER_TYPE_RX_MODE: - accept_flags = params->filter.accept_flags; - return qed_configure_filter_rx_mode(cdev, accept_flags); - default: - DP_NOTICE(cdev, "Unknown filter type %d\n", (int)params->type); - return -EINVAL; - } -} - static int qed_configure_arfs_searcher(struct qed_dev *cdev, enum qed_filter_config_mode mode) { @@ -2903,7 +2884,9 @@ static const struct qed_eth_ops qed_eth_ops_pass = { .q_rx_stop = &qed_stop_rxq, .q_tx_start = &qed_start_txq, .q_tx_stop = &qed_stop_txq, - .filter_config = &qed_configure_filter, + .filter_config_rx_mode = &qed_configure_filter_rx_mode, + .filter_config_ucast = &qed_configure_filter_ucast, + .filter_config_mcast = &qed_configure_filter_mcast, .fastpath_stop = &qed_fastpath_stop, .eth_cqe_completion = &qed_fp_cqe_completion, .get_vport_stats = &qed_get_vport_stats, diff --git a/drivers/net/ethernet/qlogic/qede/qede_filter.c b/drivers/net/ethernet/qlogic/qede/qede_filter.c index 5f4962d90022..f4385466418c 100644 --- a/drivers/net/ethernet/qlogic/qede/qede_filter.c +++ b/drivers/net/ethernet/qlogic/qede/qede_filter.c @@ -619,30 +619,28 @@ static int qede_set_ucast_rx_mac(struct qede_dev *edev, enum qed_filter_xcast_params_type opcode, unsigned char mac[ETH_ALEN]) { - struct qed_filter_params filter_cmd; + struct qed_filter_ucast_params ucast; - memset(&filter_cmd, 0, sizeof(filter_cmd)); - filter_cmd.type = QED_FILTER_TYPE_UCAST; - filter_cmd.filter.ucast.type = opcode; - filter_cmd.filter.ucast.mac_valid = 1; - ether_addr_copy(filter_cmd.filter.ucast.mac, mac); + memset(&ucast, 0, sizeof(ucast)); + ucast.type = opcode; + ucast.mac_valid = 1; + ether_addr_copy(ucast.mac, mac); - return edev->ops->filter_config(edev->cdev, &filter_cmd); + return edev->ops->filter_config_ucast(edev->cdev, &ucast); } static int qede_set_ucast_rx_vlan(struct qede_dev *edev, enum qed_filter_xcast_params_type opcode, u16 vid) { - struct qed_filter_params filter_cmd; + struct qed_filter_ucast_params ucast; - memset(&filter_cmd, 0, sizeof(filter_cmd)); - filter_cmd.type = QED_FILTER_TYPE_UCAST; - filter_cmd.filter.ucast.type = opcode; - filter_cmd.filter.ucast.vlan_valid = 1; - filter_cmd.filter.ucast.vlan = vid; + memset(&ucast, 0, sizeof(ucast)); + ucast.type = opcode; + ucast.vlan_valid = 1; + ucast.vlan = vid; - return edev->ops->filter_config(edev->cdev, &filter_cmd); + return edev->ops->filter_config_ucast(edev->cdev, &ucast); } static int qede_config_accept_any_vlan(struct qede_dev *edev, bool action) @@ -1057,18 +1055,17 @@ static int qede_set_mcast_rx_mac(struct qede_dev *edev, enum qed_filter_xcast_params_type opcode, unsigned char *mac, int num_macs) { - struct qed_filter_params filter_cmd; + struct qed_filter_mcast_params mcast; int i; - memset(&filter_cmd, 0, sizeof(filter_cmd)); - filter_cmd.type = QED_FILTER_TYPE_MCAST; - filter_cmd.filter.mcast.type = opcode; - filter_cmd.filter.mcast.num = num_macs; + memset(&mcast, 0, sizeof(mcast)); + mcast.type = opcode; + mcast.num = num_macs; for (i = 0; i < num_macs; i++, mac += ETH_ALEN) - ether_addr_copy(filter_cmd.filter.mcast.mac[i], mac); + ether_addr_copy(mcast.mac[i], mac); - return edev->ops->filter_config(edev->cdev, &filter_cmd); + return edev->ops->filter_config_mcast(edev->cdev, &mcast); } int qede_set_mac_addr(struct net_device *ndev, void *p) @@ -1194,7 +1191,6 @@ void qede_config_rx_mode(struct net_device *ndev) { enum qed_filter_rx_mode_type accept_flags; struct qede_dev *edev = netdev_priv(ndev); - struct qed_filter_params rx_mode; unsigned char *uc_macs, *temp; struct netdev_hw_addr *ha; int rc, uc_count; @@ -1220,10 +1216,6 @@ void qede_config_rx_mode(struct net_device *ndev) netif_addr_unlock_bh(ndev); - /* Configure the struct for the Rx mode */ - memset(&rx_mode, 0, sizeof(struct qed_filter_params)); - rx_mode.type = QED_FILTER_TYPE_RX_MODE; - /* Remove all previous unicast secondary macs and multicast macs * (configure / leave the primary mac) */ @@ -1271,8 +1263,7 @@ void qede_config_rx_mode(struct net_device *ndev) qede_config_accept_any_vlan(edev, false); } - rx_mode.filter.accept_flags = accept_flags; - edev->ops->filter_config(edev->cdev, &rx_mode); + edev->ops->filter_config_rx_mode(edev->cdev, accept_flags); out: kfree(uc_macs); } diff --git a/include/linux/qed/qed_eth_if.h b/include/linux/qed/qed_eth_if.h index 812a4d751163..4df0bf0a0864 100644 --- a/include/linux/qed/qed_eth_if.h +++ b/include/linux/qed/qed_eth_if.h @@ -145,12 +145,6 @@ struct qed_filter_mcast_params { unsigned char mac[64][ETH_ALEN]; }; -union qed_filter_type_params { - enum qed_filter_rx_mode_type accept_flags; - struct qed_filter_ucast_params ucast; - struct qed_filter_mcast_params mcast; -}; - enum qed_filter_type { QED_FILTER_TYPE_UCAST, QED_FILTER_TYPE_MCAST, @@ -158,11 +152,6 @@ enum qed_filter_type { QED_MAX_FILTER_TYPES, }; -struct qed_filter_params { - enum qed_filter_type type; - union qed_filter_type_params filter; -}; - struct qed_tunn_params { u16 vxlan_port; u8 update_vxlan_port; @@ -314,8 +303,14 @@ struct qed_eth_ops { int (*q_tx_stop)(struct qed_dev *cdev, u8 rss_id, void *handle); - int (*filter_config)(struct qed_dev *cdev, - struct qed_filter_params *params); + int (*filter_config_rx_mode)(struct qed_dev *cdev, + enum qed_filter_rx_mode_type type); + + int (*filter_config_ucast)(struct qed_dev *cdev, + struct qed_filter_ucast_params *params); + + int (*filter_config_mcast)(struct qed_dev *cdev, + struct qed_filter_mcast_params *params); int (*fastpath_stop)(struct qed_dev *cdev); From 05c4488a0e446c6ccde9f22b573950665e1cd414 Mon Sep 17 00:00:00 2001 From: En-Wei Wu Date: Fri, 5 Jul 2024 10:37:56 +0800 Subject: [PATCH 056/702] wifi: virt_wifi: avoid reporting connection success with wrong SSID [ Upstream commit b5d14b0c6716fad7f0c94ac6e1d6f60a49f985c7 ] When user issues a connection with a different SSID than the one virt_wifi has advertised, the __cfg80211_connect_result() will trigger the warning: WARN_ON(bss_not_found). The issue is because the connection code in virt_wifi does not check the SSID from user space (it only checks the BSSID), and virt_wifi will call cfg80211_connect_result() with WLAN_STATUS_SUCCESS even if the SSID is different from the one virt_wifi has advertised. Eventually cfg80211 won't be able to find the cfg80211_bss and generate the warning. Fixed it by checking the SSID (from user space) in the connection code. Fixes: c7cdba31ed8b ("mac80211-next: rtnetlink wifi simulation device") Reported-by: syzbot+d6eb9cee2885ec06f5e3@syzkaller.appspotmail.com Signed-off-by: En-Wei Wu Link: https://patch.msgid.link/20240705023756.10954-1-en-wei.wu@canonical.com Signed-off-by: Johannes Berg Signed-off-by: Sasha Levin --- drivers/net/wireless/virt_wifi.c | 19 ++++++++++++++++--- 1 file changed, 16 insertions(+), 3 deletions(-) diff --git a/drivers/net/wireless/virt_wifi.c b/drivers/net/wireless/virt_wifi.c index 514f2c1124b6..ec730bc44adc 100644 --- a/drivers/net/wireless/virt_wifi.c +++ b/drivers/net/wireless/virt_wifi.c @@ -136,6 +136,8 @@ static struct ieee80211_supported_band band_5ghz = { /* Assigned at module init. Guaranteed locally-administered and unicast. */ static u8 fake_router_bssid[ETH_ALEN] __ro_after_init = {}; +#define VIRT_WIFI_SSID "VirtWifi" + static void virt_wifi_inform_bss(struct wiphy *wiphy) { u64 tsf = div_u64(ktime_get_boottime_ns(), 1000); @@ -146,8 +148,8 @@ static void virt_wifi_inform_bss(struct wiphy *wiphy) u8 ssid[8]; } __packed ssid = { .tag = WLAN_EID_SSID, - .len = 8, - .ssid = "VirtWifi", + .len = strlen(VIRT_WIFI_SSID), + .ssid = VIRT_WIFI_SSID, }; informed_bss = cfg80211_inform_bss(wiphy, &channel_5ghz, @@ -213,6 +215,8 @@ struct virt_wifi_netdev_priv { struct net_device *upperdev; u32 tx_packets; u32 tx_failed; + u32 connect_requested_ssid_len; + u8 connect_requested_ssid[IEEE80211_MAX_SSID_LEN]; u8 connect_requested_bss[ETH_ALEN]; bool is_up; bool is_connected; @@ -229,6 +233,12 @@ static int virt_wifi_connect(struct wiphy *wiphy, struct net_device *netdev, if (priv->being_deleted || !priv->is_up) return -EBUSY; + if (!sme->ssid) + return -EINVAL; + + priv->connect_requested_ssid_len = sme->ssid_len; + memcpy(priv->connect_requested_ssid, sme->ssid, sme->ssid_len); + could_schedule = schedule_delayed_work(&priv->connect, HZ * 2); if (!could_schedule) return -EBUSY; @@ -252,12 +262,15 @@ static void virt_wifi_connect_complete(struct work_struct *work) container_of(work, struct virt_wifi_netdev_priv, connect.work); u8 *requested_bss = priv->connect_requested_bss; bool right_addr = ether_addr_equal(requested_bss, fake_router_bssid); + bool right_ssid = priv->connect_requested_ssid_len == strlen(VIRT_WIFI_SSID) && + !memcmp(priv->connect_requested_ssid, VIRT_WIFI_SSID, + priv->connect_requested_ssid_len); u16 status = WLAN_STATUS_SUCCESS; if (is_zero_ether_addr(requested_bss)) requested_bss = NULL; - if (!priv->is_up || (requested_bss && !right_addr)) + if (!priv->is_up || (requested_bss && !right_addr) || !right_ssid) status = WLAN_STATUS_UNSPECIFIED_FAILURE; else priv->is_connected = true; From f851ff5c6e0e4de5ae75d81aea1dea6a117c94ff Mon Sep 17 00:00:00 2001 From: Gaosheng Cui Date: Sat, 6 Jul 2024 14:50:08 +0800 Subject: [PATCH 057/702] gss_krb5: Fix the error handling path for crypto_sync_skcipher_setkey [ Upstream commit a3123341dc358952ce2bf8067fbdfb7eaadf71bb ] If we fail to call crypto_sync_skcipher_setkey, we should free the memory allocation for cipher, replace err_return with err_free_cipher to free the memory of cipher. Fixes: 4891f2d008e4 ("gss_krb5: import functionality to derive keys into the kernel") Signed-off-by: Gaosheng Cui Reviewed-by: Simon Horman Signed-off-by: Chuck Lever Signed-off-by: Sasha Levin --- net/sunrpc/auth_gss/gss_krb5_keys.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/net/sunrpc/auth_gss/gss_krb5_keys.c b/net/sunrpc/auth_gss/gss_krb5_keys.c index 726c076950c0..fc4639687c0f 100644 --- a/net/sunrpc/auth_gss/gss_krb5_keys.c +++ b/net/sunrpc/auth_gss/gss_krb5_keys.c @@ -161,7 +161,7 @@ u32 krb5_derive_key(const struct gss_krb5_enctype *gk5e, if (IS_ERR(cipher)) goto err_return; if (crypto_sync_skcipher_setkey(cipher, inkey->data, inkey->len)) - goto err_return; + goto err_free_cipher; /* allocate and set up buffers */ From be53b70fc08198fa090a4d26e8a7c7c641de8aea Mon Sep 17 00:00:00 2001 From: Johannes Berg Date: Tue, 9 Jul 2024 08:34:09 +0200 Subject: [PATCH 058/702] wifi: virt_wifi: don't use strlen() in const context [ Upstream commit 6e909f489191b365364e9d636dec33b5dfd4e5eb ] Looks like not all compilers allow strlen(constant) as a constant, so don't do that. Instead, revert back to defining the length as the first submission had it. Fixes: b5d14b0c6716 ("wifi: virt_wifi: avoid reporting connection success with wrong SSID") Reported-by: kernel test robot Closes: https://lore.kernel.org/oe-kbuild-all/202407090934.NnR1TUbW-lkp@intel.com/ Closes: https://lore.kernel.org/oe-kbuild-all/202407090944.mpwLHGt9-lkp@intel.com/ Signed-off-by: Johannes Berg Signed-off-by: Sasha Levin --- drivers/net/wireless/virt_wifi.c | 5 +++-- 1 file changed, 3 insertions(+), 2 deletions(-) diff --git a/drivers/net/wireless/virt_wifi.c b/drivers/net/wireless/virt_wifi.c index ec730bc44adc..dd6675436bda 100644 --- a/drivers/net/wireless/virt_wifi.c +++ b/drivers/net/wireless/virt_wifi.c @@ -137,6 +137,7 @@ static struct ieee80211_supported_band band_5ghz = { static u8 fake_router_bssid[ETH_ALEN] __ro_after_init = {}; #define VIRT_WIFI_SSID "VirtWifi" +#define VIRT_WIFI_SSID_LEN 8 static void virt_wifi_inform_bss(struct wiphy *wiphy) { @@ -148,7 +149,7 @@ static void virt_wifi_inform_bss(struct wiphy *wiphy) u8 ssid[8]; } __packed ssid = { .tag = WLAN_EID_SSID, - .len = strlen(VIRT_WIFI_SSID), + .len = VIRT_WIFI_SSID_LEN, .ssid = VIRT_WIFI_SSID, }; @@ -262,7 +263,7 @@ static void virt_wifi_connect_complete(struct work_struct *work) container_of(work, struct virt_wifi_netdev_priv, connect.work); u8 *requested_bss = priv->connect_requested_bss; bool right_addr = ether_addr_equal(requested_bss, fake_router_bssid); - bool right_ssid = priv->connect_requested_ssid_len == strlen(VIRT_WIFI_SSID) && + bool right_ssid = priv->connect_requested_ssid_len == VIRT_WIFI_SSID_LEN && !memcmp(priv->connect_requested_ssid, VIRT_WIFI_SSID, priv->connect_requested_ssid_len); u16 status = WLAN_STATUS_SUCCESS; From 1ccb1399bd513a139b5220a4caa24469ac977997 Mon Sep 17 00:00:00 2001 From: Geliang Tang Date: Tue, 9 Jul 2024 17:16:19 +0800 Subject: [PATCH 059/702] selftests/bpf: Close fd in error path in drop_on_reuseport [ Upstream commit adae187ebedcd95d02f045bc37dfecfd5b29434b ] In the error path when update_lookup_map() fails in drop_on_reuseport in prog_tests/sk_lookup.c, "server1", the fd of server 1, should be closed. This patch fixes this by using "goto close_srv1" lable instead of "detach" to close "server1" in this case. Fixes: 0ab5539f8584 ("selftests/bpf: Tests for BPF_SK_LOOKUP attach point") Acked-by: Eduard Zingerman Signed-off-by: Geliang Tang Link: https://lore.kernel.org/r/86aed33b4b0ea3f04497c757845cff7e8e621a2d.1720515893.git.tanggeliang@kylinos.cn Signed-off-by: Martin KaFai Lau Signed-off-by: Sasha Levin --- tools/testing/selftests/bpf/prog_tests/sk_lookup.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/tools/testing/selftests/bpf/prog_tests/sk_lookup.c b/tools/testing/selftests/bpf/prog_tests/sk_lookup.c index b4c9f4a96ae4..95a1d3ee55a7 100644 --- a/tools/testing/selftests/bpf/prog_tests/sk_lookup.c +++ b/tools/testing/selftests/bpf/prog_tests/sk_lookup.c @@ -964,7 +964,7 @@ static void drop_on_reuseport(const struct test *t) err = update_lookup_map(t->sock_map, SERVER_A, server1); if (err) - goto detach; + goto close_srv1; /* second server on destination address we should never reach */ server2 = make_server(t->sotype, t->connect_to.ip, t->connect_to.port, From 28c8fce2078a4a38b2231181f4ddccf62aa27479 Mon Sep 17 00:00:00 2001 From: Alan Maguire Date: Thu, 11 Jul 2024 19:23:21 +0100 Subject: [PATCH 060/702] bpf: annotate BTF show functions with __printf [ Upstream commit b3470da314fd8018ee237e382000c4154a942420 ] -Werror=suggest-attribute=format warns about two functions in kernel/bpf/btf.c [1]; add __printf() annotations to silence these warnings since for CONFIG_WERROR=y they will trigger build failures. [1] https://lore.kernel.org/bpf/a8b20c72-6631-4404-9e1f-0410642d7d20@gmail.com/ Fixes: 31d0bc81637d ("bpf: Move to generic BTF show support, apply it to seq files/strings") Reported-by: Mirsad Todorovac Signed-off-by: Alan Maguire Tested-by: Mirsad Todorovac Link: https://lore.kernel.org/r/20240711182321.963667-1-alan.maguire@oracle.com Signed-off-by: Alexei Starovoitov Signed-off-by: Sasha Levin --- kernel/bpf/btf.c | 8 ++++---- 1 file changed, 4 insertions(+), 4 deletions(-) diff --git a/kernel/bpf/btf.c b/kernel/bpf/btf.c index 06c028bdb8d4..326feb230170 100644 --- a/kernel/bpf/btf.c +++ b/kernel/bpf/btf.c @@ -5344,8 +5344,8 @@ static void btf_type_show(const struct btf *btf, u32 type_id, void *obj, btf_type_ops(t)->show(btf, t, type_id, obj, 0, show); } -static void btf_seq_show(struct btf_show *show, const char *fmt, - va_list args) +__printf(2, 0) static void btf_seq_show(struct btf_show *show, const char *fmt, + va_list args) { seq_vprintf((struct seq_file *)show->target, fmt, args); } @@ -5378,8 +5378,8 @@ struct btf_show_snprintf { int len; /* length we would have written */ }; -static void btf_snprintf_show(struct btf_show *show, const char *fmt, - va_list args) +__printf(2, 0) static void btf_snprintf_show(struct btf_show *show, const char *fmt, + va_list args) { struct btf_show_snprintf *ssnprintf = (struct btf_show_snprintf *)show; int len; From 6ce46045f9b90d952602e2c0b8886cfadf860bf1 Mon Sep 17 00:00:00 2001 From: Alexey Kodanev Date: Mon, 8 Jul 2024 10:50:08 +0000 Subject: [PATCH 061/702] bna: adjust 'name' buf size of bna_tcb and bna_ccb structures [ Upstream commit c9741a03dc8e491e57b95fba0058ab46b7e506da ] To have enough space to write all possible sprintf() args. Currently 'name' size is 16, but the first '%s' specifier may already need at least 16 characters, since 'bnad->netdev->name' is used there. For '%d' specifiers, assume that they require: * 1 char for 'tx_id + tx_info->tcb[i]->id' sum, BNAD_MAX_TXQ_PER_TX is 8 * 2 chars for 'rx_id + rx_info->rx_ctrl[i].ccb->id', BNAD_MAX_RXP_PER_RX is 16 And replace sprintf with snprintf. Detected using the static analysis tool - Svace. Fixes: 8b230ed8ec96 ("bna: Brocade 10Gb Ethernet device driver") Signed-off-by: Alexey Kodanev Reviewed-by: Simon Horman Signed-off-by: David S. Miller Signed-off-by: Sasha Levin --- drivers/net/ethernet/brocade/bna/bna_types.h | 2 +- drivers/net/ethernet/brocade/bna/bnad.c | 11 ++++++----- 2 files changed, 7 insertions(+), 6 deletions(-) diff --git a/drivers/net/ethernet/brocade/bna/bna_types.h b/drivers/net/ethernet/brocade/bna/bna_types.h index 666b6922e24d..ebf54d74c2bb 100644 --- a/drivers/net/ethernet/brocade/bna/bna_types.h +++ b/drivers/net/ethernet/brocade/bna/bna_types.h @@ -410,7 +410,7 @@ struct bna_ib { /* Tx object */ /* Tx datapath control structure */ -#define BNA_Q_NAME_SIZE 16 +#define BNA_Q_NAME_SIZE (IFNAMSIZ + 6) struct bna_tcb { /* Fast path */ void **sw_qpt; diff --git a/drivers/net/ethernet/brocade/bna/bnad.c b/drivers/net/ethernet/brocade/bna/bnad.c index 7e4e831d720f..9ccfb038ffc7 100644 --- a/drivers/net/ethernet/brocade/bna/bnad.c +++ b/drivers/net/ethernet/brocade/bna/bnad.c @@ -1535,8 +1535,9 @@ bnad_tx_msix_register(struct bnad *bnad, struct bnad_tx_info *tx_info, for (i = 0; i < num_txqs; i++) { vector_num = tx_info->tcb[i]->intr_vector; - sprintf(tx_info->tcb[i]->name, "%s TXQ %d", bnad->netdev->name, - tx_id + tx_info->tcb[i]->id); + snprintf(tx_info->tcb[i]->name, BNA_Q_NAME_SIZE, "%s TXQ %d", + bnad->netdev->name, + tx_id + tx_info->tcb[i]->id); err = request_irq(bnad->msix_table[vector_num].vector, (irq_handler_t)bnad_msix_tx, 0, tx_info->tcb[i]->name, @@ -1586,9 +1587,9 @@ bnad_rx_msix_register(struct bnad *bnad, struct bnad_rx_info *rx_info, for (i = 0; i < num_rxps; i++) { vector_num = rx_info->rx_ctrl[i].ccb->intr_vector; - sprintf(rx_info->rx_ctrl[i].ccb->name, "%s CQ %d", - bnad->netdev->name, - rx_id + rx_info->rx_ctrl[i].ccb->id); + snprintf(rx_info->rx_ctrl[i].ccb->name, BNA_Q_NAME_SIZE, + "%s CQ %d", bnad->netdev->name, + rx_id + rx_info->rx_ctrl[i].ccb->id); err = request_irq(bnad->msix_table[vector_num].vector, (irq_handler_t)bnad_msix_rx, 0, rx_info->rx_ctrl[i].ccb->name, From 859bc763747c9012ed58f5c61b89daef6cebe165 Mon Sep 17 00:00:00 2001 From: Alan Maguire Date: Fri, 12 Jul 2024 10:28:59 +0100 Subject: [PATCH 062/702] bpf: Eliminate remaining "make W=1" warnings in kernel/bpf/btf.o MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit [ Upstream commit 2454075f8e2915cebbe52a1195631bc7efe2b7e1 ] As reported by Mirsad [1] we still see format warnings in kernel/bpf/btf.o at W=1 warning level: CC kernel/bpf/btf.o ./kernel/bpf/btf.c: In function ‘btf_type_seq_show_flags’: ./kernel/bpf/btf.c:7553:21: warning: assignment left-hand side might be a candidate for a format attribute [-Wsuggest-attribute=format] 7553 | sseq.showfn = btf_seq_show; | ^ ./kernel/bpf/btf.c: In function ‘btf_type_snprintf_show’: ./kernel/bpf/btf.c:7604:31: warning: assignment left-hand side might be a candidate for a format attribute [-Wsuggest-attribute=format] 7604 | ssnprintf.show.showfn = btf_snprintf_show; | ^ Combined with CONFIG_WERROR=y these can halt the build. The fix (annotating the structure field with __printf()) suggested by Mirsad resolves these. Apologies I missed this last time. No other W=1 warnings were observed in kernel/bpf after this fix. [1] https://lore.kernel.org/bpf/92c9d047-f058-400c-9c7d-81d4dc1ef71b@gmail.com/ Fixes: b3470da314fd ("bpf: annotate BTF show functions with __printf") Reported-by: Mirsad Todorovac Suggested-by: Mirsad Todorovac Signed-off-by: Alan Maguire Signed-off-by: Daniel Borkmann Link: https://lore.kernel.org/bpf/20240712092859.1390960-1-alan.maguire@oracle.com Signed-off-by: Sasha Levin --- kernel/bpf/btf.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/kernel/bpf/btf.c b/kernel/bpf/btf.c index 326feb230170..cfbb038d150c 100644 --- a/kernel/bpf/btf.c +++ b/kernel/bpf/btf.c @@ -340,7 +340,7 @@ static const char *btf_type_str(const struct btf_type *t) struct btf_show { u64 flags; void *target; /* target of show operation (seq file, buffer) */ - void (*showfn)(struct btf_show *show, const char *fmt, va_list args); + __printf(2, 0) void (*showfn)(struct btf_show *show, const char *fmt, va_list args); const struct btf *btf; /* below are used during iteration */ struct { From 96178b12c8818a26df9797180f42d28aafa51b69 Mon Sep 17 00:00:00 2001 From: Amit Cohen Date: Thu, 11 Jul 2024 17:27:02 +0200 Subject: [PATCH 063/702] selftests: forwarding: devlink_lib: Wait for udev events after reloading [ Upstream commit f67a90a0c8f5b3d0acc18f10650d90fec44775f9 ] Lately, an additional locking was added by commit c0a40097f0bc ("drivers: core: synchronize really_probe() and dev_uevent()"). The locking protects dev_uevent() calling. This function is used to send messages from the kernel to user space. Uevent messages notify user space about changes in device states, such as when a device is added, removed, or changed. These messages are used by udev (or other similar user-space tools) to apply device-specific rules. After reloading devlink instance, udev events should be processed. This locking causes a short delay of udev events handling. One example for useful udev rule is renaming ports. 'forwading.config' can be configured to use names after udev rules are applied. Some tests run devlink_reload() and immediately use the updated names. This worked before the above mentioned commit was pushed, but now the delay of uevent messages causes that devlink_reload() returns before udev events are handled and tests fail. Adjust devlink_reload() to not assume that udev events are already processed when devlink reload is done, instead, wait for udev events to ensure they are processed before returning from the function. Without this patch: TESTS='rif_mac_profile' ./resource_scale.sh TEST: 'rif_mac_profile' 4 [ OK ] sysctl: cannot stat /proc/sys/net/ipv6/conf/swp1/disable_ipv6: No such file or directory sysctl: cannot stat /proc/sys/net/ipv6/conf/swp1/disable_ipv6: No such file or directory sysctl: cannot stat /proc/sys/net/ipv6/conf/swp2/disable_ipv6: No such file or directory sysctl: cannot stat /proc/sys/net/ipv6/conf/swp2/disable_ipv6: No such file or directory Cannot find device "swp1" Cannot find device "swp2" TEST: setup_wait_dev (: Interface swp1 does not come up.) [FAIL] With this patch: $ TESTS='rif_mac_profile' ./resource_scale.sh TEST: 'rif_mac_profile' 4 [ OK ] TEST: 'rif_mac_profile' overflow 5 [ OK ] This is relevant not only for this test. Fixes: bc7cbb1e9f4c ("selftests: forwarding: Add devlink_lib.sh") Signed-off-by: Amit Cohen Reviewed-by: Ido Schimmel Signed-off-by: Petr Machata Link: https://patch.msgid.link/89367666e04b38a8993027f1526801ca327ab96a.1720709333.git.petrm@nvidia.com Signed-off-by: Jakub Kicinski Signed-off-by: Sasha Levin --- tools/testing/selftests/net/forwarding/devlink_lib.sh | 2 ++ 1 file changed, 2 insertions(+) diff --git a/tools/testing/selftests/net/forwarding/devlink_lib.sh b/tools/testing/selftests/net/forwarding/devlink_lib.sh index 9c12c4fd3afc..6edfd207e324 100644 --- a/tools/testing/selftests/net/forwarding/devlink_lib.sh +++ b/tools/testing/selftests/net/forwarding/devlink_lib.sh @@ -113,6 +113,8 @@ devlink_reload() still_pending=$(devlink resource show "$DEVLINK_DEV" | \ grep -c "size_new") check_err $still_pending "Failed reload - There are still unset sizes" + + udevadm settle } declare -A DEVLINK_ORIG From be9d08ff102df3ac4f66e826ea935cf3af63a4bd Mon Sep 17 00:00:00 2001 From: Taehee Yoo Date: Fri, 12 Jul 2024 09:51:16 +0000 Subject: [PATCH 064/702] xdp: fix invalid wait context of page_pool_destroy() [ Upstream commit 59a931c5b732ca5fc2ca727f5a72aeabaafa85ec ] If the driver uses a page pool, it creates a page pool with page_pool_create(). The reference count of page pool is 1 as default. A page pool will be destroyed only when a reference count reaches 0. page_pool_destroy() is used to destroy page pool, it decreases a reference count. When a page pool is destroyed, ->disconnect() is called, which is mem_allocator_disconnect(). This function internally acquires mutex_lock(). If the driver uses XDP, it registers a memory model with xdp_rxq_info_reg_mem_model(). The xdp_rxq_info_reg_mem_model() internally increases a page pool reference count if a memory model is a page pool. Now the reference count is 2. To destroy a page pool, the driver should call both page_pool_destroy() and xdp_unreg_mem_model(). The xdp_unreg_mem_model() internally calls page_pool_destroy(). Only page_pool_destroy() decreases a reference count. If a driver calls page_pool_destroy() then xdp_unreg_mem_model(), we will face an invalid wait context warning. Because xdp_unreg_mem_model() calls page_pool_destroy() with rcu_read_lock(). The page_pool_destroy() internally acquires mutex_lock(). Splat looks like: ============================= [ BUG: Invalid wait context ] 6.10.0-rc6+ #4 Tainted: G W ----------------------------- ethtool/1806 is trying to lock: ffffffff90387b90 (mem_id_lock){+.+.}-{4:4}, at: mem_allocator_disconnect+0x73/0x150 other info that might help us debug this: context-{5:5} 3 locks held by ethtool/1806: stack backtrace: CPU: 0 PID: 1806 Comm: ethtool Tainted: G W 6.10.0-rc6+ #4 f916f41f172891c800f2fed Hardware name: ASUS System Product Name/PRIME Z690-P D4, BIOS 0603 11/01/2021 Call Trace: dump_stack_lvl+0x7e/0xc0 __lock_acquire+0x1681/0x4de0 ? _printk+0x64/0xe0 ? __pfx_mark_lock.part.0+0x10/0x10 ? __pfx___lock_acquire+0x10/0x10 lock_acquire+0x1b3/0x580 ? mem_allocator_disconnect+0x73/0x150 ? __wake_up_klogd.part.0+0x16/0xc0 ? __pfx_lock_acquire+0x10/0x10 ? dump_stack_lvl+0x91/0xc0 __mutex_lock+0x15c/0x1690 ? mem_allocator_disconnect+0x73/0x150 ? __pfx_prb_read_valid+0x10/0x10 ? mem_allocator_disconnect+0x73/0x150 ? __pfx_llist_add_batch+0x10/0x10 ? console_unlock+0x193/0x1b0 ? lockdep_hardirqs_on+0xbe/0x140 ? __pfx___mutex_lock+0x10/0x10 ? tick_nohz_tick_stopped+0x16/0x90 ? __irq_work_queue_local+0x1e5/0x330 ? irq_work_queue+0x39/0x50 ? __wake_up_klogd.part.0+0x79/0xc0 ? mem_allocator_disconnect+0x73/0x150 mem_allocator_disconnect+0x73/0x150 ? __pfx_mem_allocator_disconnect+0x10/0x10 ? mark_held_locks+0xa5/0xf0 ? rcu_is_watching+0x11/0xb0 page_pool_release+0x36e/0x6d0 page_pool_destroy+0xd7/0x440 xdp_unreg_mem_model+0x1a7/0x2a0 ? __pfx_xdp_unreg_mem_model+0x10/0x10 ? kfree+0x125/0x370 ? bnxt_free_ring.isra.0+0x2eb/0x500 ? bnxt_free_mem+0x5ac/0x2500 xdp_rxq_info_unreg+0x4a/0xd0 bnxt_free_mem+0x1356/0x2500 bnxt_close_nic+0xf0/0x3b0 ? __pfx_bnxt_close_nic+0x10/0x10 ? ethnl_parse_bit+0x2c6/0x6d0 ? __pfx___nla_validate_parse+0x10/0x10 ? __pfx_ethnl_parse_bit+0x10/0x10 bnxt_set_features+0x2a8/0x3e0 __netdev_update_features+0x4dc/0x1370 ? ethnl_parse_bitset+0x4ff/0x750 ? __pfx_ethnl_parse_bitset+0x10/0x10 ? __pfx___netdev_update_features+0x10/0x10 ? mark_held_locks+0xa5/0xf0 ? _raw_spin_unlock_irqrestore+0x42/0x70 ? __pm_runtime_resume+0x7d/0x110 ethnl_set_features+0x32d/0xa20 To fix this problem, it uses rhashtable_lookup_fast() instead of rhashtable_lookup() with rcu_read_lock(). Using xa without rcu_read_lock() here is safe. xa is freed by __xdp_mem_allocator_rcu_free() and this is called by call_rcu() of mem_xa_remove(). The mem_xa_remove() is called by page_pool_destroy() if a reference count reaches 0. The xa is already protected by the reference count mechanism well in the control plane. So removing rcu_read_lock() for page_pool_destroy() is safe. Fixes: c3f812cea0d7 ("page_pool: do not release pool until inflight == 0.") Signed-off-by: Taehee Yoo Reviewed-by: Jakub Kicinski Link: https://patch.msgid.link/20240712095116.3801586-1-ap420073@gmail.com Signed-off-by: Jakub Kicinski Signed-off-by: Sasha Levin --- net/core/xdp.c | 4 +--- 1 file changed, 1 insertion(+), 3 deletions(-) diff --git a/net/core/xdp.c b/net/core/xdp.c index fd98d6059007..b2ad644df21f 100644 --- a/net/core/xdp.c +++ b/net/core/xdp.c @@ -124,10 +124,8 @@ void xdp_unreg_mem_model(struct xdp_mem_info *mem) return; if (type == MEM_TYPE_PAGE_POOL) { - rcu_read_lock(); - xa = rhashtable_lookup(mem_id_ht, &id, mem_id_rht_params); + xa = rhashtable_lookup_fast(mem_id_ht, &id, mem_id_rht_params); page_pool_destroy(xa->page_pool); - rcu_read_unlock(); } } EXPORT_SYMBOL_GPL(xdp_unreg_mem_model); From fb20da833874ed7a447fa08f4e4d52bb18cdcaca Mon Sep 17 00:00:00 2001 From: Douglas Anderson Date: Fri, 17 May 2024 14:36:37 -0700 Subject: [PATCH 065/702] drm/panel: boe-tv101wum-nl6: If prepare fails, disable GPIO before regulators [ Upstream commit 587c48f622374e5d47b1d515c6006a4df4dee882 ] The enable GPIO should clearly be set low before turning off regulators. That matches both the inverse order that things were enabled and also the order in unprepare(). Fixes: a869b9db7adf ("drm/panel: support for boe tv101wum-nl6 wuxga dsi video mode panel") Signed-off-by: Douglas Anderson Reviewed-by: Dmitry Baryshkov Reviewed-by: Linus Walleij Link: https://lore.kernel.org/r/20240517143643.2.Ieac346cd0f1606948ba39ceea06b55359fe972b6@changeid Signed-off-by: Neil Armstrong Link: https://patchwork.freedesktop.org/patch/msgid/20240517143643.2.Ieac346cd0f1606948ba39ceea06b55359fe972b6@changeid Signed-off-by: Sasha Levin --- drivers/gpu/drm/panel/panel-boe-tv101wum-nl6.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/gpu/drm/panel/panel-boe-tv101wum-nl6.c b/drivers/gpu/drm/panel/panel-boe-tv101wum-nl6.c index 9e518213a54f..c448be3d01d1 100644 --- a/drivers/gpu/drm/panel/panel-boe-tv101wum-nl6.c +++ b/drivers/gpu/drm/panel/panel-boe-tv101wum-nl6.c @@ -574,13 +574,13 @@ static int boe_panel_prepare(struct drm_panel *panel) return 0; poweroff: + gpiod_set_value(boe->enable_gpio, 0); regulator_disable(boe->avee); poweroffavdd: regulator_disable(boe->avdd); poweroff1v8: usleep_range(5000, 7000); regulator_disable(boe->pp1800); - gpiod_set_value(boe->enable_gpio, 0); return ret; } From 7aaa368c684cca1151a26c3cb649f1ca07a40ea7 Mon Sep 17 00:00:00 2001 From: Douglas Anderson Date: Fri, 17 May 2024 14:36:38 -0700 Subject: [PATCH 066/702] drm/panel: boe-tv101wum-nl6: Check for errors on the NOP in prepare() [ Upstream commit 6320b9199dd99622668649c234d4e8a99e44a9c8 ] The mipi_dsi_dcs_nop() function returns an error but we weren't checking it in boe_panel_prepare(). Add a check. This is highly unlikely to matter in practice. If the NOP failed then likely later MIPI commands would fail too. Found by code inspection. Fixes: 812562b8d881 ("drm/panel: boe-tv101wum-nl6: Fine tune the panel power sequence") Signed-off-by: Douglas Anderson Reviewed-by: AngeloGioacchino Del Regno Reviewed-by: Dmitry Baryshkov Reviewed-by: Linus Walleij Link: https://lore.kernel.org/r/20240517143643.3.Ibffbaa5b4999ac0e55f43bf353144433b099d727@changeid Signed-off-by: Neil Armstrong Link: https://patchwork.freedesktop.org/patch/msgid/20240517143643.3.Ibffbaa5b4999ac0e55f43bf353144433b099d727@changeid Signed-off-by: Sasha Levin --- drivers/gpu/drm/panel/panel-boe-tv101wum-nl6.c | 6 +++++- 1 file changed, 5 insertions(+), 1 deletion(-) diff --git a/drivers/gpu/drm/panel/panel-boe-tv101wum-nl6.c b/drivers/gpu/drm/panel/panel-boe-tv101wum-nl6.c index c448be3d01d1..0a2d5f461aee 100644 --- a/drivers/gpu/drm/panel/panel-boe-tv101wum-nl6.c +++ b/drivers/gpu/drm/panel/panel-boe-tv101wum-nl6.c @@ -553,7 +553,11 @@ static int boe_panel_prepare(struct drm_panel *panel) usleep_range(5000, 10000); if (boe->desc->lp11_before_reset) { - mipi_dsi_dcs_nop(boe->dsi); + ret = mipi_dsi_dcs_nop(boe->dsi); + if (ret < 0) { + dev_err(&boe->dsi->dev, "Failed to send NOP: %d\n", ret); + goto poweroff; + } usleep_range(1000, 2000); } gpiod_set_value(boe->enable_gpio, 1); From bcc963f591b9a445e4b6ef7fdc9829719b1bcd08 Mon Sep 17 00:00:00 2001 From: Zheng Yejian Date: Thu, 9 May 2024 20:44:14 +0800 Subject: [PATCH 067/702] media: dvb-usb: Fix unexpected infinite loop in dvb_usb_read_remote_control() [ Upstream commit 2052138b7da52ad5ccaf74f736d00f39a1c9198c ] Infinite log printing occurs during fuzz test: rc rc1: DViCO FusionHDTV DVB-T USB (LGZ201) as ... ... dvb-usb: schedule remote query interval to 100 msecs. dvb-usb: DViCO FusionHDTV DVB-T USB (LGZ201) successfully initialized ... dvb-usb: bulk message failed: -22 (1/0) dvb-usb: bulk message failed: -22 (1/0) dvb-usb: bulk message failed: -22 (1/0) ... dvb-usb: bulk message failed: -22 (1/0) Looking into the codes, there is a loop in dvb_usb_read_remote_control(), that is in rc_core_dvb_usb_remote_init() create a work that will call dvb_usb_read_remote_control(), and this work will reschedule itself at 'rc_interval' intervals to recursively call dvb_usb_read_remote_control(), see following code snippet: rc_core_dvb_usb_remote_init() { ... INIT_DELAYED_WORK(&d->rc_query_work, dvb_usb_read_remote_control); schedule_delayed_work(&d->rc_query_work, msecs_to_jiffies(rc_interval)); ... } dvb_usb_read_remote_control() { ... err = d->props.rc.core.rc_query(d); if (err) err(...) // Did not return even if query failed schedule_delayed_work(&d->rc_query_work, msecs_to_jiffies(rc_interval)); } When the infinite log printing occurs, the query callback 'd->props.rc.core.rc_query' is cxusb_rc_query(). And the log is due to the failure of finding a valid 'generic_bulk_ctrl_endpoint' in usb_bulk_msg(), see following code snippet: cxusb_rc_query() { cxusb_ctrl_msg() { dvb_usb_generic_rw() { ret = usb_bulk_msg(d->udev, usb_sndbulkpipe(d->udev, d->props.generic_bulk_ctrl_endpoint),...); if (ret) err("bulk message failed: %d (%d/%d)",ret,wlen,actlen); ... } ... } By analyzing the corresponding USB descriptor, it shows that the bNumEndpoints is 0 in its interface descriptor, but the 'generic_bulk_ctrl_endpoint' is 1, that means user don't configure a valid endpoint for 'generic_bulk_ctrl_endpoint', therefore this 'invalid' USB device should be rejected before it calls into dvb_usb_read_remote_control(). To fix it, we need to add endpoint check for 'generic_bulk_ctrl_endpoint'. And as Sean suggested, the same check and clear halts should be done for 'generic_bulk_ctrl_endpoint_response'. So introduce dvb_usb_check_bulk_endpoint() to do it for both of them. Fixes: 4d43e13f723e ("V4L/DVB (4643): Multi-input patch for DVB-USB device") Signed-off-by: Zheng Yejian Signed-off-by: Sean Young Signed-off-by: Hans Verkuil Signed-off-by: Sasha Levin --- drivers/media/usb/dvb-usb/dvb-usb-init.c | 35 +++++++++++++++++++++--- 1 file changed, 31 insertions(+), 4 deletions(-) diff --git a/drivers/media/usb/dvb-usb/dvb-usb-init.c b/drivers/media/usb/dvb-usb/dvb-usb-init.c index 58eea8ab5477..6cf6d08cc4ec 100644 --- a/drivers/media/usb/dvb-usb/dvb-usb-init.c +++ b/drivers/media/usb/dvb-usb/dvb-usb-init.c @@ -23,11 +23,40 @@ static int dvb_usb_force_pid_filter_usage; module_param_named(force_pid_filter_usage, dvb_usb_force_pid_filter_usage, int, 0444); MODULE_PARM_DESC(force_pid_filter_usage, "force all dvb-usb-devices to use a PID filter, if any (default: 0)."); +static int dvb_usb_check_bulk_endpoint(struct dvb_usb_device *d, u8 endpoint) +{ + if (endpoint) { + int ret; + + ret = usb_pipe_type_check(d->udev, usb_sndbulkpipe(d->udev, endpoint)); + if (ret) + return ret; + ret = usb_pipe_type_check(d->udev, usb_rcvbulkpipe(d->udev, endpoint)); + if (ret) + return ret; + } + return 0; +} + +static void dvb_usb_clear_halt(struct dvb_usb_device *d, u8 endpoint) +{ + if (endpoint) { + usb_clear_halt(d->udev, usb_sndbulkpipe(d->udev, endpoint)); + usb_clear_halt(d->udev, usb_rcvbulkpipe(d->udev, endpoint)); + } +} + static int dvb_usb_adapter_init(struct dvb_usb_device *d, short *adapter_nrs) { struct dvb_usb_adapter *adap; int ret, n, o; + ret = dvb_usb_check_bulk_endpoint(d, d->props.generic_bulk_ctrl_endpoint); + if (ret) + return ret; + ret = dvb_usb_check_bulk_endpoint(d, d->props.generic_bulk_ctrl_endpoint_response); + if (ret) + return ret; for (n = 0; n < d->props.num_adapters; n++) { adap = &d->adapter[n]; adap->dev = d; @@ -103,10 +132,8 @@ static int dvb_usb_adapter_init(struct dvb_usb_device *d, short *adapter_nrs) * when reloading the driver w/o replugging the device * sometimes a timeout occurs, this helps */ - if (d->props.generic_bulk_ctrl_endpoint != 0) { - usb_clear_halt(d->udev, usb_sndbulkpipe(d->udev, d->props.generic_bulk_ctrl_endpoint)); - usb_clear_halt(d->udev, usb_rcvbulkpipe(d->udev, d->props.generic_bulk_ctrl_endpoint)); - } + dvb_usb_clear_halt(d, d->props.generic_bulk_ctrl_endpoint); + dvb_usb_clear_halt(d, d->props.generic_bulk_ctrl_endpoint_response); return 0; From f3968b3d3cfb8d9d430ab31d18d4553bea206a96 Mon Sep 17 00:00:00 2001 From: Ricardo Ribalda Date: Mon, 6 May 2024 21:10:27 +0000 Subject: [PATCH 068/702] media: imon: Fix race getting ictx->lock [ Upstream commit 24147897507cd3a7d63745d1518a638bf4132238 ] Lets fix a race between mutex_is_lock() and mutex_lock(). <-mutex is not locked if (!mutex_is_locked(&ictx->lock)) { unlock = true; <- mutex is locked externaly mutex_lock(&ictx->lock); } Let's use mutex_trylock() that does mutex_is_lock() and mutex_lock() atomically. Fix the following cocci warning: drivers/media/rc/imon.c:1167:1-7: preceding lock on line 1153 Fixes: 23ef710e1a6c ("[media] imon: add conditional locking in change_protocol") Signed-off-by: Ricardo Ribalda Signed-off-by: Sean Young Signed-off-by: Hans Verkuil Signed-off-by: Sasha Levin --- drivers/media/rc/imon.c | 5 +---- 1 file changed, 1 insertion(+), 4 deletions(-) diff --git a/drivers/media/rc/imon.c b/drivers/media/rc/imon.c index 253a1d1a840a..cd4995e74b97 100644 --- a/drivers/media/rc/imon.c +++ b/drivers/media/rc/imon.c @@ -1153,10 +1153,7 @@ static int imon_ir_change_protocol(struct rc_dev *rc, u64 *rc_proto) memcpy(ictx->usb_tx_buf, &ir_proto_packet, sizeof(ir_proto_packet)); - if (!mutex_is_locked(&ictx->lock)) { - unlock = true; - mutex_lock(&ictx->lock); - } + unlock = mutex_trylock(&ictx->lock); retval = send_packet(ictx); if (retval) From e470e95616bf3fd328ec39552d18935406819f0e Mon Sep 17 00:00:00 2001 From: Aleksandr Burakov Date: Fri, 16 Feb 2024 15:40:06 +0300 Subject: [PATCH 069/702] saa7134: Unchecked i2c_transfer function result fixed [ Upstream commit 9d8683b3fd93f0e378f24dc3d9604e5d7d3e0a17 ] Return value of function 'i2c_transfer' is not checked that may cause undefined behaviour. Found by Linux Verification Center (linuxtesting.org) with SVACE. Fixes: 2cf36ac44730 ("[PATCH] v4l: 656: added support for the following cards") Signed-off-by: Aleksandr Burakov Signed-off-by: Hans Verkuil Signed-off-by: Sasha Levin --- drivers/media/pci/saa7134/saa7134-dvb.c | 8 ++++++-- 1 file changed, 6 insertions(+), 2 deletions(-) diff --git a/drivers/media/pci/saa7134/saa7134-dvb.c b/drivers/media/pci/saa7134/saa7134-dvb.c index f359cd5c006a..c786b83a69d2 100644 --- a/drivers/media/pci/saa7134/saa7134-dvb.c +++ b/drivers/media/pci/saa7134/saa7134-dvb.c @@ -466,7 +466,9 @@ static int philips_europa_tuner_sleep(struct dvb_frontend *fe) /* switch the board to analog mode */ if (fe->ops.i2c_gate_ctrl) fe->ops.i2c_gate_ctrl(fe, 1); - i2c_transfer(&dev->i2c_adap, &analog_msg, 1); + if (i2c_transfer(&dev->i2c_adap, &analog_msg, 1) != 1) + return -EIO; + return 0; } @@ -1018,7 +1020,9 @@ static int md8800_set_voltage2(struct dvb_frontend *fe, else wbuf[1] = rbuf & 0xef; msg[0].len = 2; - i2c_transfer(&dev->i2c_adap, msg, 1); + if (i2c_transfer(&dev->i2c_adap, msg, 1) != 1) + return -EIO; + return 0; } From 115d814d6acd4badb8b8f670b13e44884523fd50 Mon Sep 17 00:00:00 2001 From: Ricardo Ribalda Date: Wed, 23 Dec 2020 14:35:21 +0100 Subject: [PATCH 070/702] media: uvcvideo: Allow entity-defined get_info and get_cur [ Upstream commit 65900c581d014499f0f8ceabfc02c652e9a88771 ] Allows controls to get their properties and current value from an entity-defined function instead of via a query to the USB device. Signed-off-by: Ricardo Ribalda Signed-off-by: Laurent Pinchart Signed-off-by: Mauro Carvalho Chehab Stable-dep-of: 86419686e66d ("media: uvcvideo: Override default flags") Signed-off-by: Sasha Levin --- drivers/media/usb/uvc/uvc_ctrl.c | 22 ++++++++++++++++++---- drivers/media/usb/uvc/uvcvideo.h | 5 +++++ 2 files changed, 23 insertions(+), 4 deletions(-) diff --git a/drivers/media/usb/uvc/uvc_ctrl.c b/drivers/media/usb/uvc/uvc_ctrl.c index 5e0acabed37a..e1a98c95b785 100644 --- a/drivers/media/usb/uvc/uvc_ctrl.c +++ b/drivers/media/usb/uvc/uvc_ctrl.c @@ -1002,10 +1002,20 @@ static int __uvc_ctrl_get(struct uvc_video_chain *chain, return -EACCES; if (!ctrl->loaded) { - ret = uvc_query_ctrl(chain->dev, UVC_GET_CUR, ctrl->entity->id, - chain->dev->intfnum, ctrl->info.selector, + if (ctrl->entity->get_cur) { + ret = ctrl->entity->get_cur(chain->dev, + ctrl->entity, + ctrl->info.selector, uvc_ctrl_data(ctrl, UVC_CTRL_DATA_CURRENT), ctrl->info.size); + } else { + ret = uvc_query_ctrl(chain->dev, UVC_GET_CUR, + ctrl->entity->id, + chain->dev->intfnum, + ctrl->info.selector, + uvc_ctrl_data(ctrl, UVC_CTRL_DATA_CURRENT), + ctrl->info.size); + } if (ret < 0) return ret; @@ -1718,8 +1728,12 @@ static int uvc_ctrl_get_flags(struct uvc_device *dev, if (data == NULL) return -ENOMEM; - ret = uvc_query_ctrl(dev, UVC_GET_INFO, ctrl->entity->id, dev->intfnum, - info->selector, data, 1); + if (ctrl->entity->get_info) + ret = ctrl->entity->get_info(dev, ctrl->entity, + ctrl->info.selector, data); + else + ret = uvc_query_ctrl(dev, UVC_GET_INFO, ctrl->entity->id, + dev->intfnum, info->selector, data, 1); if (!ret) info->flags |= (data[0] & UVC_CONTROL_CAP_GET ? UVC_CTRL_FLAG_GET_CUR : 0) diff --git a/drivers/media/usb/uvc/uvcvideo.h b/drivers/media/usb/uvc/uvcvideo.h index c75990c0957e..c3241cf5f7b4 100644 --- a/drivers/media/usb/uvc/uvcvideo.h +++ b/drivers/media/usb/uvc/uvcvideo.h @@ -354,6 +354,11 @@ struct uvc_entity { u8 bNrInPins; u8 *baSourceID; + int (*get_info)(struct uvc_device *dev, struct uvc_entity *entity, + u8 cs, u8 *caps); + int (*get_cur)(struct uvc_device *dev, struct uvc_entity *entity, + u8 cs, void *data, u16 size); + unsigned int ncontrols; struct uvc_control *controls; }; From 9459f33175624e84cd0abdb3d25a571360a72cff Mon Sep 17 00:00:00 2001 From: Daniel Schaefer Date: Sun, 2 Jun 2024 14:50:53 +0800 Subject: [PATCH 071/702] media: uvcvideo: Override default flags [ Upstream commit 86419686e66da5b90a07fb8a40ab138fe97189b5 ] When the UVC device has a control that is readonly it doesn't set the SET_CUR flag. For example the privacy control has SET_CUR flag set in the defaults in the `uvc_ctrls` variable. Even if the device does not have it set, it's not cleared by uvc_ctrl_get_flags(). Originally written with assignment in commit 859086ae3636 ("media: uvcvideo: Apply flags from device to actual properties"). But changed to |= in commit 0dc68cabdb62 ("media: uvcvideo: Prevent setting unavailable flags"). It would not clear the default flags. With this patch applied the correct flags are reported to user space. Tested with: ``` > v4l2-ctl --list-ctrls | grep privacy privacy 0x009a0910 (bool) : default=0 value=0 flags=read-only ``` Signed-off-by: Daniel Schaefer Fixes: 0dc68cabdb62 ("media: uvcvideo: Prevent setting unavailable flags") Reviewed-by: Ricardo Ribalda Reviewed-by: Laurent Pinchart Link: https://lore.kernel.org/r/20240602065053.36850-1-dhs@frame.work Signed-off-by: Laurent Pinchart Signed-off-by: Sasha Levin --- drivers/media/usb/uvc/uvc_ctrl.c | 9 ++++++++- 1 file changed, 8 insertions(+), 1 deletion(-) diff --git a/drivers/media/usb/uvc/uvc_ctrl.c b/drivers/media/usb/uvc/uvc_ctrl.c index e1a98c95b785..c89f582bd532 100644 --- a/drivers/media/usb/uvc/uvc_ctrl.c +++ b/drivers/media/usb/uvc/uvc_ctrl.c @@ -1734,7 +1734,13 @@ static int uvc_ctrl_get_flags(struct uvc_device *dev, else ret = uvc_query_ctrl(dev, UVC_GET_INFO, ctrl->entity->id, dev->intfnum, info->selector, data, 1); - if (!ret) + + if (!ret) { + info->flags &= ~(UVC_CTRL_FLAG_GET_CUR | + UVC_CTRL_FLAG_SET_CUR | + UVC_CTRL_FLAG_AUTO_UPDATE | + UVC_CTRL_FLAG_ASYNCHRONOUS); + info->flags |= (data[0] & UVC_CONTROL_CAP_GET ? UVC_CTRL_FLAG_GET_CUR : 0) | (data[0] & UVC_CONTROL_CAP_SET ? @@ -1743,6 +1749,7 @@ static int uvc_ctrl_get_flags(struct uvc_device *dev, UVC_CTRL_FLAG_AUTO_UPDATE : 0) | (data[0] & UVC_CONTROL_CAP_ASYNCHRONOUS ? UVC_CTRL_FLAG_ASYNCHRONOUS : 0); + } kfree(data); return ret; From 3944484005d66cb660be273e1e3cab809508ef7a Mon Sep 17 00:00:00 2001 From: Laurent Pinchart Date: Sun, 5 May 2024 20:22:27 +0300 Subject: [PATCH 072/702] media: renesas: vsp1: Fix _irqsave and _irq mix [ Upstream commit 57edbbcf5258c378a9b9d0c80d33b03a010b22c8 ] The histogram support mixes _irqsave and _irq, causing the following smatch warning: drivers/media/platform/renesas/vsp1/vsp1_histo.c:153 histo_stop_streaming() warn: mixing irqsave and irq The histo_stop_streaming() calls spin_lock_irqsave() followed by wait_event_lock_irq(). The former hints that interrupts may be disabled by the caller, while the latter reenables interrupts unconditionally. This doesn't cause any real bug, as the function is always called with interrupts enabled, but the pattern is still incorrect. Fix the problem by using spin_lock_irq() instead of spin_lock_irqsave() in histo_stop_streaming(). While at it, switch to spin_lock_irq() and spin_lock() as appropriate elsewhere. Fixes: 99362e32332b ("[media] v4l: vsp1: Add histogram support") Reported-by: Dan Carpenter Closes: https://lore.kernel.org/linux-renesas-soc/164d74ff-312c-468f-be64-afa7182cd2f4@moroto.mountain/ Reviewed-by: Kieran Bingham Signed-off-by: Laurent Pinchart Signed-off-by: Sasha Levin --- drivers/media/platform/vsp1/vsp1_histo.c | 20 ++++++++------------ 1 file changed, 8 insertions(+), 12 deletions(-) diff --git a/drivers/media/platform/vsp1/vsp1_histo.c b/drivers/media/platform/vsp1/vsp1_histo.c index a91e142bcb94..37df7d2d4639 100644 --- a/drivers/media/platform/vsp1/vsp1_histo.c +++ b/drivers/media/platform/vsp1/vsp1_histo.c @@ -36,9 +36,8 @@ struct vsp1_histogram_buffer * vsp1_histogram_buffer_get(struct vsp1_histogram *histo) { struct vsp1_histogram_buffer *buf = NULL; - unsigned long flags; - spin_lock_irqsave(&histo->irqlock, flags); + spin_lock(&histo->irqlock); if (list_empty(&histo->irqqueue)) goto done; @@ -49,7 +48,7 @@ vsp1_histogram_buffer_get(struct vsp1_histogram *histo) histo->readout = true; done: - spin_unlock_irqrestore(&histo->irqlock, flags); + spin_unlock(&histo->irqlock); return buf; } @@ -58,7 +57,6 @@ void vsp1_histogram_buffer_complete(struct vsp1_histogram *histo, size_t size) { struct vsp1_pipeline *pipe = histo->entity.pipe; - unsigned long flags; /* * The pipeline pointer is guaranteed to be valid as this function is @@ -70,10 +68,10 @@ void vsp1_histogram_buffer_complete(struct vsp1_histogram *histo, vb2_set_plane_payload(&buf->buf.vb2_buf, 0, size); vb2_buffer_done(&buf->buf.vb2_buf, VB2_BUF_STATE_DONE); - spin_lock_irqsave(&histo->irqlock, flags); + spin_lock(&histo->irqlock); histo->readout = false; wake_up(&histo->wait_queue); - spin_unlock_irqrestore(&histo->irqlock, flags); + spin_unlock(&histo->irqlock); } /* ----------------------------------------------------------------------------- @@ -124,11 +122,10 @@ static void histo_buffer_queue(struct vb2_buffer *vb) struct vb2_v4l2_buffer *vbuf = to_vb2_v4l2_buffer(vb); struct vsp1_histogram *histo = vb2_get_drv_priv(vb->vb2_queue); struct vsp1_histogram_buffer *buf = to_vsp1_histogram_buffer(vbuf); - unsigned long flags; - spin_lock_irqsave(&histo->irqlock, flags); + spin_lock_irq(&histo->irqlock); list_add_tail(&buf->queue, &histo->irqqueue); - spin_unlock_irqrestore(&histo->irqlock, flags); + spin_unlock_irq(&histo->irqlock); } static int histo_start_streaming(struct vb2_queue *vq, unsigned int count) @@ -140,9 +137,8 @@ static void histo_stop_streaming(struct vb2_queue *vq) { struct vsp1_histogram *histo = vb2_get_drv_priv(vq); struct vsp1_histogram_buffer *buffer; - unsigned long flags; - spin_lock_irqsave(&histo->irqlock, flags); + spin_lock_irq(&histo->irqlock); /* Remove all buffers from the IRQ queue. */ list_for_each_entry(buffer, &histo->irqqueue, queue) @@ -152,7 +148,7 @@ static void histo_stop_streaming(struct vb2_queue *vq) /* Wait for the buffer being read out (if any) to complete. */ wait_event_lock_irq(histo->wait_queue, !histo->readout, histo->irqlock); - spin_unlock_irqrestore(&histo->irqlock, flags); + spin_unlock_irq(&histo->irqlock); } static const struct vb2_ops histo_video_queue_qops = { From 3c9071a8710574dcdf2908c1fece65d0ac5fa182 Mon Sep 17 00:00:00 2001 From: Laurent Pinchart Date: Sun, 19 Nov 2023 03:11:51 +0200 Subject: [PATCH 073/702] media: renesas: vsp1: Store RPF partition configuration per RPF instance [ Upstream commit a213bc09b1025c771ee722ee341af1d84375db8a ] The vsp1_partition structure stores the RPF partition configuration in a single field for all RPF instances, while each RPF can have its own configuration. Fix it by storing the configuration separately for each RPF instance. Signed-off-by: Laurent Pinchart Fixes: ab45e8585182 ("media: v4l: vsp1: Allow entities to participate in the partition algorithm") Reviewed-by: Jacopo Mondi Signed-off-by: Sasha Levin --- drivers/media/platform/vsp1/vsp1_pipe.h | 2 +- drivers/media/platform/vsp1/vsp1_rpf.c | 8 +++++--- 2 files changed, 6 insertions(+), 4 deletions(-) diff --git a/drivers/media/platform/vsp1/vsp1_pipe.h b/drivers/media/platform/vsp1/vsp1_pipe.h index ae646c9ef337..15daf35bda21 100644 --- a/drivers/media/platform/vsp1/vsp1_pipe.h +++ b/drivers/media/platform/vsp1/vsp1_pipe.h @@ -73,7 +73,7 @@ struct vsp1_partition_window { * @wpf: The WPF partition window configuration */ struct vsp1_partition { - struct vsp1_partition_window rpf; + struct vsp1_partition_window rpf[VSP1_MAX_RPF]; struct vsp1_partition_window uds_sink; struct vsp1_partition_window uds_source; struct vsp1_partition_window sru; diff --git a/drivers/media/platform/vsp1/vsp1_rpf.c b/drivers/media/platform/vsp1/vsp1_rpf.c index 75083cb234fe..996a3058d5b7 100644 --- a/drivers/media/platform/vsp1/vsp1_rpf.c +++ b/drivers/media/platform/vsp1/vsp1_rpf.c @@ -271,8 +271,8 @@ static void rpf_configure_partition(struct vsp1_entity *entity, * 'width' need to be adjusted. */ if (pipe->partitions > 1) { - crop.width = pipe->partition->rpf.width; - crop.left += pipe->partition->rpf.left; + crop.width = pipe->partition->rpf[rpf->entity.index].width; + crop.left += pipe->partition->rpf[rpf->entity.index].left; } if (pipe->interlaced) { @@ -327,7 +327,9 @@ static void rpf_partition(struct vsp1_entity *entity, unsigned int partition_idx, struct vsp1_partition_window *window) { - partition->rpf = *window; + struct vsp1_rwpf *rpf = to_rwpf(&entity->subdev); + + partition->rpf[rpf->entity.index] = *window; } static const struct vsp1_entity_operations rpf_entity_ops = { From 09c1583f0e10c918855d6e7540a79461a353e5d6 Mon Sep 17 00:00:00 2001 From: Hans de Goede Date: Sat, 4 May 2024 18:25:33 +0200 Subject: [PATCH 074/702] leds: trigger: Unregister sysfs attributes before calling deactivate() MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit [ Upstream commit c0dc9adf9474ecb7106e60e5472577375aedaed3 ] Triggers which have trigger specific sysfs attributes typically store related data in trigger-data allocated by the activate() callback and freed by the deactivate() callback. Calling device_remove_groups() after calling deactivate() leaves a window where the sysfs attributes show/store functions could be called after deactivation and then operate on the just freed trigger-data. Move the device_remove_groups() call to before deactivate() to close this race window. This also makes the deactivation path properly do things in reverse order of the activation path which calls the activate() callback before calling device_add_groups(). Fixes: a7e7a3156300 ("leds: triggers: add device attribute support") Cc: Uwe Kleine-König Signed-off-by: Hans de Goede Acked-by: Uwe Kleine-König Link: https://lore.kernel.org/r/20240504162533.76780-1-hdegoede@redhat.com Signed-off-by: Lee Jones Signed-off-by: Sasha Levin --- drivers/leds/led-triggers.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/leds/led-triggers.c b/drivers/leds/led-triggers.c index 4e7b78a84149..cbe70f38cb57 100644 --- a/drivers/leds/led-triggers.c +++ b/drivers/leds/led-triggers.c @@ -177,9 +177,9 @@ int led_trigger_set(struct led_classdev *led_cdev, struct led_trigger *trig) flags); cancel_work_sync(&led_cdev->set_brightness_work); led_stop_software_blink(led_cdev); + device_remove_groups(led_cdev->dev, led_cdev->trigger->groups); if (led_cdev->trigger->deactivate) led_cdev->trigger->deactivate(led_cdev); - device_remove_groups(led_cdev->dev, led_cdev->trigger->groups); led_cdev->trigger = NULL; led_cdev->trigger_data = NULL; led_cdev->activated = false; From 6ef4f1e98154d9938b4161f56c94013b55b9dacf Mon Sep 17 00:00:00 2001 From: Namhyung Kim Date: Fri, 21 Jun 2024 10:05:25 -0700 Subject: [PATCH 075/702] perf report: Fix condition in sort__sym_cmp() [ Upstream commit cb39d05e67dc24985ff9f5150e71040fa4d60ab8 ] It's expected that both hist entries are in the same hists when comparing two. But the current code in the function checks one without dso sort key and other with the key. This would make the condition true in any case. I guess the intention of the original commit was to add '!' for the right side too. But as it should be the same, let's just remove it. Fixes: 69849fc5d2119 ("perf hists: Move sort__has_dso into struct perf_hpp_list") Reviewed-by: Kan Liang Signed-off-by: Namhyung Kim Link: https://lore.kernel.org/r/20240621170528.608772-2-namhyung@kernel.org Signed-off-by: Sasha Levin --- tools/perf/util/sort.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/tools/perf/util/sort.c b/tools/perf/util/sort.c index 42806102010b..bbebb1e51b88 100644 --- a/tools/perf/util/sort.c +++ b/tools/perf/util/sort.c @@ -272,7 +272,7 @@ sort__sym_cmp(struct hist_entry *left, struct hist_entry *right) * comparing symbol address alone is not enough since it's a * relative address within a dso. */ - if (!hists__has(left->hists, dso) || hists__has(right->hists, dso)) { + if (!hists__has(left->hists, dso)) { ret = sort__dso_cmp(left, right); if (ret != 0) return ret; From cd105977b1f8abfd988a8f22ead7f4c5ce25f3b4 Mon Sep 17 00:00:00 2001 From: Lucas Stach Date: Fri, 21 Jun 2024 19:11:06 +0200 Subject: [PATCH 076/702] drm/etnaviv: fix DMA direction handling for cached RW buffers [ Upstream commit 58979ad6330a70450ed78837be3095107d022ea9 ] The dma sync operation needs to be done with DMA_BIDIRECTIONAL when the BO is prepared for both read and write operations. Fixes: a8c21a5451d8 ("drm/etnaviv: add initial etnaviv DRM driver") Signed-off-by: Lucas Stach Reviewed-by: Philipp Zabel Reviewed-by: Christian Gmeiner Signed-off-by: Sasha Levin --- drivers/gpu/drm/etnaviv/etnaviv_gem.c | 6 ++++-- 1 file changed, 4 insertions(+), 2 deletions(-) diff --git a/drivers/gpu/drm/etnaviv/etnaviv_gem.c b/drivers/gpu/drm/etnaviv/etnaviv_gem.c index 424474041c94..aa372982335e 100644 --- a/drivers/gpu/drm/etnaviv/etnaviv_gem.c +++ b/drivers/gpu/drm/etnaviv/etnaviv_gem.c @@ -364,9 +364,11 @@ static void *etnaviv_gem_vmap_impl(struct etnaviv_gem_object *obj) static inline enum dma_data_direction etnaviv_op_to_dma_dir(u32 op) { - if (op & ETNA_PREP_READ) + op &= ETNA_PREP_READ | ETNA_PREP_WRITE; + + if (op == ETNA_PREP_READ) return DMA_FROM_DEVICE; - else if (op & ETNA_PREP_WRITE) + else if (op == ETNA_PREP_WRITE) return DMA_TO_DEVICE; else return DMA_BIDIRECTIONAL; From 4e87f592a46bb804d8f833da6ce702ae4b55053f Mon Sep 17 00:00:00 2001 From: Chen Ni Date: Fri, 21 Jun 2024 15:10:31 +0800 Subject: [PATCH 077/702] drm/qxl: Add check for drm_cvt_mode [ Upstream commit 7bd09a2db0f617377027a2bb0b9179e6959edff3 ] Add check for the return value of drm_cvt_mode() and return the error if it fails in order to avoid NULL pointer dereference. Fixes: 1b043677d4be ("drm/qxl: add qxl_add_mode helper function") Signed-off-by: Chen Ni Reviewed-by: Heng Qi Signed-off-by: Maxime Ripard Link: https://patchwork.freedesktop.org/patch/msgid/20240621071031.1987974-1-nichen@iscas.ac.cn Signed-off-by: Sasha Levin --- drivers/gpu/drm/qxl/qxl_display.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/drivers/gpu/drm/qxl/qxl_display.c b/drivers/gpu/drm/qxl/qxl_display.c index f22a1b776f4b..3ffa721d777b 100644 --- a/drivers/gpu/drm/qxl/qxl_display.c +++ b/drivers/gpu/drm/qxl/qxl_display.c @@ -232,6 +232,9 @@ static int qxl_add_mode(struct drm_connector *connector, return 0; mode = drm_cvt_mode(dev, width, height, 60, false, false, false); + if (!mode) + return 0; + if (preferred) mode->type |= DRM_MODE_TYPE_PREFERRED; mode->hdisplay = width; From c9106ad5ea2af671e584b94bbe6bd282c54b9ba5 Mon Sep 17 00:00:00 2001 From: Luca Ceresoli Date: Tue, 25 Jun 2024 10:34:38 +0200 Subject: [PATCH 078/702] Revert "leds: led-core: Fix refcount leak in of_led_get()" MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit [ Upstream commit 940b27161afc6ec53fc66245a4fb3518394cdc92 ] This reverts commit da1afe8e6099980fe1e2fd7436dca284af9d3f29. Commit 699a8c7c4bd3 ("leds: Add of_led_get() and led_put()"), introduced in 5.5, added of_led_get() and led_put() but missed a put_device() in led_put(), thus creating a leak in case the consumer device is removed. Arguably device removal was not very popular, so this went apparently unnoticed until 2022. In January 2023 two different patches got merged to fix the same bug: - commit da1afe8e6099 ("leds: led-core: Fix refcount leak in of_led_get()") - commit 445110941eb9 ("leds: led-class: Add missing put_device() to led_put()") They fix the bug in two different ways, which creates no patch conflicts, and both were merged in v6.2. The result is that now there is one more put_device() than get_device()s, instead of one less. Arguably device removal is not very popular yet, so this apparently hasn't been noticed as well up to now. But it blew up here while I'm working with device tree overlay insertion and removal. The symptom is an apparently unrelated list of oopses on device removal, with reasons: kernfs: can not remove 'uevent', no directory kernfs: can not remove 'brightness', no directory kernfs: can not remove 'max_brightness', no directory ... Here sysfs fails removing attribute files, which is because the device name changed and so the sysfs path. This is because the device name string got corrupted, which is because it got freed too early and its memory reused. Different symptoms could appear in different use cases. Fix by removing one of the two fixes. The choice was to remove commit da1afe8e6099 because: * it is calling put_device() inside of_led_get() just after getting the device, thus it is basically not refcounting the LED device at all during its entire lifetime * it does not add a corresponding put_device() in led_get(), so it fixes only the OF case The other fix (445110941eb9) is adding the put_device() in led_put() so it covers the entire lifetime, and it works even in the non-DT case. Fixes: da1afe8e6099 ("leds: led-core: Fix refcount leak in of_led_get()") Co-developed-by: Hervé Codina Signed-off-by: Hervé Codina Signed-off-by: Luca Ceresoli Link: https://lore.kernel.org/r/20240625-led-class-device-leak-v2-1-75fdccf47421@bootlin.com Signed-off-by: Lee Jones Signed-off-by: Sasha Levin --- drivers/leds/led-class.c | 1 - 1 file changed, 1 deletion(-) diff --git a/drivers/leds/led-class.c b/drivers/leds/led-class.c index fcb9eee3b609..e28a4bb71603 100644 --- a/drivers/leds/led-class.c +++ b/drivers/leds/led-class.c @@ -236,7 +236,6 @@ struct led_classdev *of_led_get(struct device_node *np, int index) led_dev = class_find_device_by_of_node(leds_class, led_node); of_node_put(led_node); - put_device(led_dev); if (!led_dev) return ERR_PTR(-EPROBE_DEFER); From 5ed0496e383cb6de120e56991385dce70bbb87c1 Mon Sep 17 00:00:00 2001 From: "Luis Henriques (SUSE)" Date: Wed, 15 May 2024 09:28:57 +0100 Subject: [PATCH 079/702] ext4: fix infinite loop when replaying fast_commit [ Upstream commit 907c3fe532253a6ef4eb9c4d67efb71fab58c706 ] When doing fast_commit replay an infinite loop may occur due to an uninitialized extent_status struct. ext4_ext_determine_insert_hole() does not detect the replay and calls ext4_es_find_extent_range(), which will return immediately without initializing the 'es' variable. Because 'es' contains garbage, an integer overflow may happen causing an infinite loop in this function, easily reproducible using fstest generic/039. This commit fixes this issue by unconditionally initializing the structure in function ext4_es_find_extent_range(). Thanks to Zhang Yi, for figuring out the real problem! Fixes: 8016e29f4362 ("ext4: fast commit recovery path") Signed-off-by: Luis Henriques (SUSE) Reviewed-by: Zhang Yi Link: https://patch.msgid.link/20240515082857.32730-1-luis.henriques@linux.dev Signed-off-by: Theodore Ts'o Signed-off-by: Sasha Levin --- fs/ext4/extents_status.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/fs/ext4/extents_status.c b/fs/ext4/extents_status.c index f37e62546745..be3b3ccbf70b 100644 --- a/fs/ext4/extents_status.c +++ b/fs/ext4/extents_status.c @@ -312,6 +312,8 @@ void ext4_es_find_extent_range(struct inode *inode, ext4_lblk_t lblk, ext4_lblk_t end, struct extent_status *es) { + es->es_lblk = es->es_len = es->es_pblk = 0; + if (EXT4_SB(inode->i_sb)->s_mount_state & EXT4_FC_REPLAY) return; From 72ac78ec1a354d8e2fa27db7729449e04cf19b57 Mon Sep 17 00:00:00 2001 From: Dikshita Agarwal Date: Wed, 10 Jan 2024 11:42:14 +0530 Subject: [PATCH 080/702] media: venus: flush all buffers in output plane streamoff [ Upstream commit e750a4b1224142bd8dd057b0d5adf8a5608b7e77 ] For scenarios, when source change is followed by VIDIOC_STREAMOFF on output plane, driver should discard any queued OUTPUT buffers, which are not decoded or dequeued. Flush with HFI_FLUSH_INPUT does not have any actual impact. So, fix it, by invoking HFI_FLUSH_ALL, which will flush all queued buffers. Fixes: 85872f861d4c ("media: venus: Mark last capture buffer") Signed-off-by: Dikshita Agarwal Tested-by: Nathan Hebert Reviewed-by: Bryan O'Donoghue Signed-off-by: Stanimir Varbanov Signed-off-by: Hans Verkuil Signed-off-by: Sasha Levin --- drivers/media/platform/qcom/venus/vdec.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/media/platform/qcom/venus/vdec.c b/drivers/media/platform/qcom/venus/vdec.c index c437a929a545..b6edfa812bb7 100644 --- a/drivers/media/platform/qcom/venus/vdec.c +++ b/drivers/media/platform/qcom/venus/vdec.c @@ -1142,7 +1142,7 @@ static int vdec_stop_output(struct venus_inst *inst) break; case VENUS_DEC_STATE_INIT: case VENUS_DEC_STATE_CAPTURE_SETUP: - ret = hfi_session_flush(inst, HFI_FLUSH_INPUT, true); + ret = hfi_session_flush(inst, HFI_FLUSH_ALL, true); break; default: break; From cf9141d2f778246c7d26801d93b779a6e34b73ff Mon Sep 17 00:00:00 2001 From: Javier Carrasco Date: Wed, 26 Jun 2024 21:37:03 +0200 Subject: [PATCH 081/702] mfd: omap-usb-tll: Use struct_size to allocate tll [ Upstream commit 40176714c818b0b6a2ca8213cdb7654fbd49b742 ] Commit 16c2004d9e4d ("mfd: omap-usb-tll: Allocate driver data at once") changed the memory allocation of 'tll' to consolidate it into a single allocation, introducing an incorrect size calculation. In particular, the allocation for the array of pointers was converted into a single-pointer allocation. The memory allocation used to occur in two steps: tll = devm_kzalloc(dev, sizeof(struct usbtll_omap), GFP_KERNEL); tll->ch_clk = devm_kzalloc(dev, sizeof(struct clk *) * tll->nch, GFP_KERNEL); And it turned that into the following allocation: tll = devm_kzalloc(dev, sizeof(*tll) + sizeof(tll->ch_clk[nch]), GFP_KERNEL); sizeof(tll->ch_clk[nch]) returns the size of a single pointer instead of the expected nch pointers. This bug went unnoticed because the allocation size was small enough to fit within the minimum size of a memory allocation for this particular case [1]. The complete allocation can still be done at once with the struct_size macro, which comes in handy for structures with a trailing flexible array. Fix the memory allocation to obtain the original size again. Link: https://lore.kernel.org/all/202406261121.2FFD65647@keescook/ [1] Fixes: 16c2004d9e4d ("mfd: omap-usb-tll: Allocate driver data at once") Reviewed-by: Kees Cook Signed-off-by: Javier Carrasco Fixes: commit 16c2004d9e4d ("mfd: omap-usb-tll: Allocate driver data at once") Link: https://lore.kernel.org/r/20240626-omap-usb-tll-counted_by-v2-1-4bedf20d1b51@gmail.com Signed-off-by: Lee Jones Signed-off-by: Sasha Levin --- drivers/mfd/omap-usb-tll.c | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-) diff --git a/drivers/mfd/omap-usb-tll.c b/drivers/mfd/omap-usb-tll.c index 16fad79c73f1..99ca0dfa127b 100644 --- a/drivers/mfd/omap-usb-tll.c +++ b/drivers/mfd/omap-usb-tll.c @@ -237,8 +237,7 @@ static int usbtll_omap_probe(struct platform_device *pdev) break; } - tll = devm_kzalloc(dev, sizeof(*tll) + sizeof(tll->ch_clk[nch]), - GFP_KERNEL); + tll = devm_kzalloc(dev, struct_size(tll, ch_clk, nch), GFP_KERNEL); if (!tll) { pm_runtime_put_sync(dev); pm_runtime_disable(dev); From 974294806bafacae0c312263f1f2a19f4840aae3 Mon Sep 17 00:00:00 2001 From: Chuck Lever Date: Mon, 19 Apr 2021 14:03:00 -0400 Subject: [PATCH 082/702] xprtrdma: Rename frwr_release_mr() [ Upstream commit f912af77e2c1ba25bd40534668b10da5b20f686a ] Clean up: To be consistent with other functions in this source file, follow the naming convention of putting the object being acted upon before the action itself. Signed-off-by: Chuck Lever Signed-off-by: Trond Myklebust Stable-dep-of: acd9f2dd23c6 ("xprtrdma: Fix rpcrdma_reqs_reset()") Signed-off-by: Sasha Levin --- net/sunrpc/xprtrdma/frwr_ops.c | 6 +++--- net/sunrpc/xprtrdma/verbs.c | 4 ++-- net/sunrpc/xprtrdma/xprt_rdma.h | 2 +- 3 files changed, 6 insertions(+), 6 deletions(-) diff --git a/net/sunrpc/xprtrdma/frwr_ops.c b/net/sunrpc/xprtrdma/frwr_ops.c index bf3627dce552..177099f6ae18 100644 --- a/net/sunrpc/xprtrdma/frwr_ops.c +++ b/net/sunrpc/xprtrdma/frwr_ops.c @@ -50,11 +50,11 @@ #endif /** - * frwr_release_mr - Destroy one MR + * frwr_mr_release - Destroy one MR * @mr: MR allocated by frwr_mr_init * */ -void frwr_release_mr(struct rpcrdma_mr *mr) +void frwr_mr_release(struct rpcrdma_mr *mr) { int rc; @@ -83,7 +83,7 @@ static void frwr_mr_recycle(struct rpcrdma_mr *mr) r_xprt->rx_stats.mrs_recycled++; spin_unlock(&r_xprt->rx_buf.rb_lock); - frwr_release_mr(mr); + frwr_mr_release(mr); } /* frwr_reset - Place MRs back on the free list diff --git a/net/sunrpc/xprtrdma/verbs.c b/net/sunrpc/xprtrdma/verbs.c index 9e9df38b29f7..167f0d99b858 100644 --- a/net/sunrpc/xprtrdma/verbs.c +++ b/net/sunrpc/xprtrdma/verbs.c @@ -1100,7 +1100,7 @@ void rpcrdma_req_destroy(struct rpcrdma_req *req) list_del(&mr->mr_all); spin_unlock(&buf->rb_lock); - frwr_release_mr(mr); + frwr_mr_release(mr); } rpcrdma_regbuf_free(req->rl_recvbuf); @@ -1131,7 +1131,7 @@ static void rpcrdma_mrs_destroy(struct rpcrdma_xprt *r_xprt) list_del(&mr->mr_all); spin_unlock(&buf->rb_lock); - frwr_release_mr(mr); + frwr_mr_release(mr); spin_lock(&buf->rb_lock); } diff --git a/net/sunrpc/xprtrdma/xprt_rdma.h b/net/sunrpc/xprtrdma/xprt_rdma.h index 702f0344523c..73c8ab89456b 100644 --- a/net/sunrpc/xprtrdma/xprt_rdma.h +++ b/net/sunrpc/xprtrdma/xprt_rdma.h @@ -520,7 +520,7 @@ rpcrdma_data_dir(bool writing) void frwr_reset(struct rpcrdma_req *req); int frwr_query_device(struct rpcrdma_ep *ep, const struct ib_device *device); int frwr_mr_init(struct rpcrdma_xprt *r_xprt, struct rpcrdma_mr *mr); -void frwr_release_mr(struct rpcrdma_mr *mr); +void frwr_mr_release(struct rpcrdma_mr *mr); struct rpcrdma_mr_seg *frwr_map(struct rpcrdma_xprt *r_xprt, struct rpcrdma_mr_seg *seg, int nsegs, bool writing, __be32 xid, From 84edcf61bd41cad91e9b3e464a43f2e4cac04e02 Mon Sep 17 00:00:00 2001 From: Chuck Lever Date: Tue, 4 Jun 2024 15:45:23 -0400 Subject: [PATCH 083/702] xprtrdma: Fix rpcrdma_reqs_reset() [ Upstream commit acd9f2dd23c632568156217aac7a05f5a0313152 ] Avoid FastReg operations getting MW_BIND_ERR after a reconnect. rpcrdma_reqs_reset() is called on transport tear-down to get each rpcrdma_req back into a clean state. MRs on req->rl_registered are waiting for a FastReg, are already registered, or are waiting for invalidation. If the transport is being torn down when reqs_reset() is called, the matching LocalInv might never be posted. That leaves these MR registered /and/ on req->rl_free_mrs, where they can be re-used for the next connection. Since xprtrdma does not keep specific track of the MR state, it's not possible to know what state these MRs are in, so the only safe thing to do is release them immediately. Fixes: 5de55ce951a1 ("xprtrdma: Release in-flight MRs on disconnect") Signed-off-by: Chuck Lever Signed-off-by: Anna Schumaker Signed-off-by: Sasha Levin --- net/sunrpc/xprtrdma/frwr_ops.c | 3 ++- net/sunrpc/xprtrdma/verbs.c | 16 +++++++++++++++- 2 files changed, 17 insertions(+), 2 deletions(-) diff --git a/net/sunrpc/xprtrdma/frwr_ops.c b/net/sunrpc/xprtrdma/frwr_ops.c index 177099f6ae18..2035d748d923 100644 --- a/net/sunrpc/xprtrdma/frwr_ops.c +++ b/net/sunrpc/xprtrdma/frwr_ops.c @@ -86,7 +86,8 @@ static void frwr_mr_recycle(struct rpcrdma_mr *mr) frwr_mr_release(mr); } -/* frwr_reset - Place MRs back on the free list +/** + * frwr_reset - Place MRs back on @req's free list * @req: request to reset * * Used after a failed marshal. For FRWR, this means the MRs diff --git a/net/sunrpc/xprtrdma/verbs.c b/net/sunrpc/xprtrdma/verbs.c index 167f0d99b858..9262c94a13c1 100644 --- a/net/sunrpc/xprtrdma/verbs.c +++ b/net/sunrpc/xprtrdma/verbs.c @@ -932,6 +932,8 @@ static int rpcrdma_reqs_setup(struct rpcrdma_xprt *r_xprt) static void rpcrdma_req_reset(struct rpcrdma_req *req) { + struct rpcrdma_mr *mr; + /* Credits are valid for only one connection */ req->rl_slot.rq_cong = 0; @@ -941,7 +943,19 @@ static void rpcrdma_req_reset(struct rpcrdma_req *req) rpcrdma_regbuf_dma_unmap(req->rl_sendbuf); rpcrdma_regbuf_dma_unmap(req->rl_recvbuf); - frwr_reset(req); + /* The verbs consumer can't know the state of an MR on the + * req->rl_registered list unless a successful completion + * has occurred, so they cannot be re-used. + */ + while ((mr = rpcrdma_mr_pop(&req->rl_registered))) { + struct rpcrdma_buffer *buf = &mr->mr_xprt->rx_buf; + + spin_lock(&buf->rb_lock); + list_del(&mr->mr_all); + spin_unlock(&buf->rb_lock); + + frwr_mr_release(mr); + } } /* ASSUMPTION: the rb_allreqs list is stable for the duration, From 91c22df7013847f3f88d1e3f79637c4074548c90 Mon Sep 17 00:00:00 2001 From: NeilBrown Date: Wed, 19 Jun 2024 11:05:13 +1000 Subject: [PATCH 084/702] SUNRPC: avoid soft lockup when transmitting UDP to reachable server. [ Upstream commit 6258cf25d5e3155c3219ab5a79b970eef7996356 ] Prior to the commit identified below, call_transmit_status() would handle -EPERM and other errors related to an unreachable server by falling through to call_status() which added a 3-second delay and handled the failure as a timeout. Since that commit, call_transmit_status() falls through to handle_bind(). For UDP this moves straight on to handle_connect() and handle_transmit() so we immediately retransmit - and likely get the same error. This results in an indefinite loop in __rpc_execute() which triggers a soft-lockup warning. For the errors that indicate an unreachable server, call_transmit_status() should fall back to call_status() as it did before. This cannot cause the thundering herd that the previous patch was avoiding, as the call_status() will insert a delay. Fixes: ed7dc973bd91 ("SUNRPC: Prevent thundering herd when the socket is not connected") Signed-off-by: NeilBrown Signed-off-by: Anna Schumaker Signed-off-by: Sasha Levin --- net/sunrpc/clnt.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/net/sunrpc/clnt.c b/net/sunrpc/clnt.c index 196a3b11d150..86397f9c4bc8 100644 --- a/net/sunrpc/clnt.c +++ b/net/sunrpc/clnt.c @@ -2188,12 +2188,13 @@ call_transmit_status(struct rpc_task *task) task->tk_action = call_transmit; task->tk_status = 0; break; - case -ECONNREFUSED: case -EHOSTDOWN: case -ENETDOWN: case -EHOSTUNREACH: case -ENETUNREACH: case -EPERM: + break; + case -ECONNREFUSED: if (RPC_IS_SOFTCONN(task)) { if (!task->tk_msg.rpc_proc->p_proc) trace_xprt_ping(task->tk_xprt, From 3d096f2a99eb88148ef84ee0370699054a87f7d6 Mon Sep 17 00:00:00 2001 From: Jan Kara Date: Thu, 13 Jun 2024 17:02:34 +0200 Subject: [PATCH 085/702] ext4: avoid writing unitialized memory to disk in EA inodes [ Upstream commit 65121eff3e4c8c90f8126debf3c369228691c591 ] If the extended attribute size is not a multiple of block size, the last block in the EA inode will have uninitialized tail which will get written to disk. We will never expose the data to userspace but still this is not a good practice so just zero out the tail of the block as it isn't going to cause a noticeable performance overhead. Fixes: e50e5129f384 ("ext4: xattr-in-inode support") Reported-by: syzbot+9c1fe13fcb51574b249b@syzkaller.appspotmail.com Reported-by: Hugh Dickins Signed-off-by: Jan Kara Link: https://patch.msgid.link/20240613150234.25176-1-jack@suse.cz Signed-off-by: Theodore Ts'o Signed-off-by: Sasha Levin --- fs/ext4/xattr.c | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/fs/ext4/xattr.c b/fs/ext4/xattr.c index 2dcb7d2bb85e..b91a1d1099d5 100644 --- a/fs/ext4/xattr.c +++ b/fs/ext4/xattr.c @@ -1377,6 +1377,12 @@ static int ext4_xattr_inode_write(handle_t *handle, struct inode *ea_inode, goto out; memcpy(bh->b_data, buf, csize); + /* + * Zero out block tail to avoid writing uninitialized memory + * to disk. + */ + if (csize < blocksize) + memset(bh->b_data + csize, 0, blocksize - csize); set_buffer_uptodate(bh); ext4_handle_dirty_metadata(handle, ea_inode, bh); From 8f1dc3f33f2aee4186ca54a161f4eb2fca9280a4 Mon Sep 17 00:00:00 2001 From: Andreas Larsson Date: Wed, 10 Jul 2024 11:41:53 +0200 Subject: [PATCH 086/702] sparc64: Fix incorrect function signature and add prototype for prom_cif_init MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit [ Upstream commit a6c3ea1ec96307dbfbb2f16d96c674c5cc80f445 ] Remove the unused cif_stack argument and add a protype in oplib_64.h Commit ef3e035c3a9b ("sparc64: Fix register corruption in top-most kernel stack frame during boot.") removed the cif_stack argument to prom_cif init in the declaration at the caller site and the usage of it within prom_cif_init, but not in the function signature of the function itself. This also fixes the following warning: arch/sparc/prom/p1275.c:52:6: warning: no previous prototype for ‘prom_cif_init’ Fixes: ef3e035c3a9b ("sparc64: Fix register corruption in top-most kernel stack frame during boot.") Link: https://lore.kernel.org/r/20240710094155.458731-3-andreas@gaisler.com Signed-off-by: Andreas Larsson Signed-off-by: Sasha Levin --- arch/sparc/include/asm/oplib_64.h | 1 + arch/sparc/prom/init_64.c | 3 --- arch/sparc/prom/p1275.c | 2 +- 3 files changed, 2 insertions(+), 4 deletions(-) diff --git a/arch/sparc/include/asm/oplib_64.h b/arch/sparc/include/asm/oplib_64.h index a67abebd4359..1b86d02a8455 100644 --- a/arch/sparc/include/asm/oplib_64.h +++ b/arch/sparc/include/asm/oplib_64.h @@ -247,6 +247,7 @@ void prom_sun4v_guest_soft_state(void); int prom_ihandle2path(int handle, char *buffer, int bufsize); /* Client interface level routines. */ +void prom_cif_init(void *cif_handler); void p1275_cmd_direct(unsigned long *); #endif /* !(__SPARC64_OPLIB_H) */ diff --git a/arch/sparc/prom/init_64.c b/arch/sparc/prom/init_64.c index 103aa9104318..f7b8a1a865b8 100644 --- a/arch/sparc/prom/init_64.c +++ b/arch/sparc/prom/init_64.c @@ -26,9 +26,6 @@ phandle prom_chosen_node; * routines in the prom library. * It gets passed the pointer to the PROM vector. */ - -extern void prom_cif_init(void *); - void __init prom_init(void *cif_handler) { phandle node; diff --git a/arch/sparc/prom/p1275.c b/arch/sparc/prom/p1275.c index 889aa602f8d8..51c3f984bbf7 100644 --- a/arch/sparc/prom/p1275.c +++ b/arch/sparc/prom/p1275.c @@ -49,7 +49,7 @@ void p1275_cmd_direct(unsigned long *args) local_irq_restore(flags); } -void prom_cif_init(void *cif_handler, void *cif_stack) +void prom_cif_init(void *cif_handler) { p1275buf.prom_cif_handler = (void (*)(long *))cif_handler; } From 8105318210a41a219584227bf9bf35e99043f5cd Mon Sep 17 00:00:00 2001 From: Benjamin Coddington Date: Thu, 11 Jul 2024 13:21:00 -0400 Subject: [PATCH 087/702] SUNRPC: Fixup gss_status tracepoint error output [ Upstream commit b9fae9f06d84ffab0f3f9118f3a96bbcdc528bf6 ] The GSS routine errors are values, not flags. Fixes: 0c77668ddb4e ("SUNRPC: Introduce trace points in rpc_auth_gss.ko") Signed-off-by: Benjamin Coddington Reviewed-by: Chuck Lever Signed-off-by: Anna Schumaker Signed-off-by: Sasha Levin --- include/trace/events/rpcgss.h | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/include/trace/events/rpcgss.h b/include/trace/events/rpcgss.h index ffdbe6f85da8..9c8cb69c7911 100644 --- a/include/trace/events/rpcgss.h +++ b/include/trace/events/rpcgss.h @@ -52,7 +52,7 @@ TRACE_DEFINE_ENUM(GSS_S_UNSEQ_TOKEN); TRACE_DEFINE_ENUM(GSS_S_GAP_TOKEN); #define show_gss_status(x) \ - __print_flags(x, "|", \ + __print_symbolic(x, \ { GSS_S_BAD_MECH, "GSS_S_BAD_MECH" }, \ { GSS_S_BAD_NAME, "GSS_S_BAD_NAME" }, \ { GSS_S_BAD_NAMETYPE, "GSS_S_BAD_NAMETYPE" }, \ From 3d1c4bf57db8ac67755fec7763cf456614e95c50 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Ilpo=20J=C3=A4rvinen?= Date: Tue, 7 May 2024 13:25:16 +0300 Subject: [PATCH 088/702] PCI: Fix resource double counting on remove & rescan MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit [ Upstream commit 903534fa7d30214d8ba840ab1cd9e917e0c88e41 ] pbus_size_mem() keeps the size of the optional resources in children_add_size. When calculating the PCI bridge window size, calculate_memsize() lower bounds size by old_size before adding children_add_size and performing the window size alignment. This results in double counting for the resources in children_add_size because old_size may be based on the previous size of the bridge window after it has already included children_add_size (that is, size1 in pbus_size_mem() from an earlier invocation of that function). As a result, on repeated remove of the bus & rescan cycles the resource size keeps increasing when children_add_size is non-zero as can be seen from this extract: iomem0: 23fffd00000-23fffdfffff : PCI Bus 0000:03 # 1MiB iomem1: 20000000000-200001fffff : PCI Bus 0000:03 # 2MiB iomem2: 20000000000-200002fffff : PCI Bus 0000:03 # 3MiB iomem3: 20000000000-200003fffff : PCI Bus 0000:03 # 4MiB iomem4: 20000000000-200004fffff : PCI Bus 0000:03 # 5MiB Solve the double counting by moving old_size check later in calculate_memsize() so that children_add_size is already accounted for. After the patch, the bridge window retains its size as expected: iomem0: 23fffd00000-23fffdfffff : PCI Bus 0000:03 # 1MiB iomem1: 20000000000-200000fffff : PCI Bus 0000:03 # 1MiB iomem2: 20000000000-200000fffff : PCI Bus 0000:03 # 1MiB Fixes: a4ac9fea016f ("PCI : Calculate right add_size") Link: https://lore.kernel.org/r/20240507102523.57320-2-ilpo.jarvinen@linux.intel.com Tested-by: Lidong Wang Signed-off-by: Ilpo Järvinen Signed-off-by: Bjorn Helgaas Reviewed-by: Mika Westerberg Signed-off-by: Sasha Levin --- drivers/pci/setup-bus.c | 6 ++---- 1 file changed, 2 insertions(+), 4 deletions(-) diff --git a/drivers/pci/setup-bus.c b/drivers/pci/setup-bus.c index 16d291e10627..a159bfdfa251 100644 --- a/drivers/pci/setup-bus.c +++ b/drivers/pci/setup-bus.c @@ -824,11 +824,9 @@ static resource_size_t calculate_memsize(resource_size_t size, size = min_size; if (old_size == 1) old_size = 0; - if (size < old_size) - size = old_size; - size = ALIGN(max(size, add_size) + children_add_size, align); - return size; + size = max(size, add_size) + children_add_size; + return ALIGN(max(size, old_size), align); } resource_size_t __weak pcibios_window_alignment(struct pci_bus *bus, From 2be7e24056d7863340e4bf07d53e533700ee1a78 Mon Sep 17 00:00:00 2001 From: James Clark Date: Wed, 29 May 2024 14:36:26 +0100 Subject: [PATCH 089/702] coresight: Fix ref leak when of_coresight_parse_endpoint() fails [ Upstream commit 7fcb9cb2fe47294e16067c3cfd25332c8662a115 ] of_graph_get_next_endpoint() releases the reference to the previous endpoint on each iteration, but when parsing fails the loop exits early meaning the last reference is never dropped. Fix it by dropping the refcount in the exit condition. Fixes: d375b356e687 ("coresight: Fix support for sparsely populated ports") Signed-off-by: James Clark Reported-by: Laurent Pinchart Reviewed-by: Laurent Pinchart Signed-off-by: Suzuki K Poulose Link: https://lore.kernel.org/r/20240529133626.90080-1-james.clark@arm.com Signed-off-by: Sasha Levin --- drivers/hwtracing/coresight/coresight-platform.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/drivers/hwtracing/coresight/coresight-platform.c b/drivers/hwtracing/coresight/coresight-platform.c index c594f45319fc..dfb8022c4da1 100644 --- a/drivers/hwtracing/coresight/coresight-platform.c +++ b/drivers/hwtracing/coresight/coresight-platform.c @@ -323,8 +323,10 @@ static int of_get_coresight_platform_data(struct device *dev, continue; ret = of_coresight_parse_endpoint(dev, ep, pdata); - if (ret) + if (ret) { + of_node_put(ep); return ret; + } } return 0; From 26b6512d5d209ce688a7b285bb04e596524f784f Mon Sep 17 00:00:00 2001 From: Andrei Lalaev Date: Mon, 17 Jun 2024 20:30:18 +0200 Subject: [PATCH 090/702] Input: qt1050 - handle CHIP_ID reading error [ Upstream commit 866a5c7e2781cf1b019072288f1f5c64186dcb63 ] If the device is missing, we get the following error: qt1050 3-0041: ID -1340767592 not supported Let's handle this situation and print more informative error when reading of CHIP_ID fails: qt1050 3-0041: Failed to read chip ID: -6 Fixes: cbebf5addec1 ("Input: qt1050 - add Microchip AT42QT1050 support") Signed-off-by: Andrei Lalaev Reviewed-by: Marco Felsch Link: https://lore.kernel.org/r/20240617183018.916234-1-andrey.lalaev@gmail.com Signed-off-by: Dmitry Torokhov Signed-off-by: Sasha Levin --- drivers/input/keyboard/qt1050.c | 7 ++++++- 1 file changed, 6 insertions(+), 1 deletion(-) diff --git a/drivers/input/keyboard/qt1050.c b/drivers/input/keyboard/qt1050.c index 403060d05c3b..7193a4198e21 100644 --- a/drivers/input/keyboard/qt1050.c +++ b/drivers/input/keyboard/qt1050.c @@ -226,7 +226,12 @@ static bool qt1050_identify(struct qt1050_priv *ts) int err; /* Read Chip ID */ - regmap_read(ts->regmap, QT1050_CHIP_ID, &val); + err = regmap_read(ts->regmap, QT1050_CHIP_ID, &val); + if (err) { + dev_err(&ts->client->dev, "Failed to read chip ID: %d\n", err); + return false; + } + if (val != QT1050_CHIP_ID_VER) { dev_err(&ts->client->dev, "ID %d not supported\n", val); return false; From 6bf3cf61f35a67c5a18ba12fab0400f429c06f7b Mon Sep 17 00:00:00 2001 From: Leon Romanovsky Date: Sun, 16 Jun 2024 19:16:33 +0300 Subject: [PATCH 091/702] RDMA/mlx4: Fix truncated output warning in mad.c MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit [ Upstream commit 0d2e6992fc956e3308cd5376c18567def4cb3967 ] Increase size of the name array to avoid truncated output warning. drivers/infiniband/hw/mlx4/mad.c: In function ‘mlx4_ib_alloc_demux_ctx’: drivers/infiniband/hw/mlx4/mad.c:2197:47: error: ‘%d’ directive output may be truncated writing between 1 and 11 bytes into a region of size 4 [-Werror=format-truncation=] 2197 | snprintf(name, sizeof(name), "mlx4_ibt%d", port); | ^~ drivers/infiniband/hw/mlx4/mad.c:2197:38: note: directive argument in the range [-2147483645, 2147483647] 2197 | snprintf(name, sizeof(name), "mlx4_ibt%d", port); | ^~~~~~~~~~~~ drivers/infiniband/hw/mlx4/mad.c:2197:9: note: ‘snprintf’ output between 10 and 20 bytes into a destination of size 12 2197 | snprintf(name, sizeof(name), "mlx4_ibt%d", port); | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ drivers/infiniband/hw/mlx4/mad.c:2205:48: error: ‘%d’ directive output may be truncated writing between 1 and 11 bytes into a region of size 3 [-Werror=format-truncation=] 2205 | snprintf(name, sizeof(name), "mlx4_ibwi%d", port); | ^~ drivers/infiniband/hw/mlx4/mad.c:2205:38: note: directive argument in the range [-2147483645, 2147483647] 2205 | snprintf(name, sizeof(name), "mlx4_ibwi%d", port); | ^~~~~~~~~~~~~ drivers/infiniband/hw/mlx4/mad.c:2205:9: note: ‘snprintf’ output between 11 and 21 bytes into a destination of size 12 2205 | snprintf(name, sizeof(name), "mlx4_ibwi%d", port); | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ drivers/infiniband/hw/mlx4/mad.c:2213:48: error: ‘%d’ directive output may be truncated writing between 1 and 11 bytes into a region of size 3 [-Werror=format-truncation=] 2213 | snprintf(name, sizeof(name), "mlx4_ibud%d", port); | ^~ drivers/infiniband/hw/mlx4/mad.c:2213:38: note: directive argument in the range [-2147483645, 2147483647] 2213 | snprintf(name, sizeof(name), "mlx4_ibud%d", port); | ^~~~~~~~~~~~~ drivers/infiniband/hw/mlx4/mad.c:2213:9: note: ‘snprintf’ output between 11 and 21 bytes into a destination of size 12 2213 | snprintf(name, sizeof(name), "mlx4_ibud%d", port); | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ cc1: all warnings being treated as errors make[6]: *** [scripts/Makefile.build:244: drivers/infiniband/hw/mlx4/mad.o] Error 1 Fixes: fc06573dfaf8 ("IB/mlx4: Initialize SR-IOV IB support for slaves in master context") Link: https://lore.kernel.org/r/f3798b3ce9a410257d7e1ec7c9e285f1352e256a.1718554569.git.leon@kernel.org Signed-off-by: Leon Romanovsky Signed-off-by: Jason Gunthorpe Signed-off-by: Sasha Levin --- drivers/infiniband/hw/mlx4/mad.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/infiniband/hw/mlx4/mad.c b/drivers/infiniband/hw/mlx4/mad.c index 8bd16474708f..44ea25e82549 100644 --- a/drivers/infiniband/hw/mlx4/mad.c +++ b/drivers/infiniband/hw/mlx4/mad.c @@ -2155,7 +2155,7 @@ static int mlx4_ib_alloc_demux_ctx(struct mlx4_ib_dev *dev, struct mlx4_ib_demux_ctx *ctx, int port) { - char name[12]; + char name[21]; int ret = 0; int i; From 506e71b0e10d7ca9e8f5ee9e64d1afa9decc8f72 Mon Sep 17 00:00:00 2001 From: Leon Romanovsky Date: Sun, 16 Jun 2024 19:17:30 +0300 Subject: [PATCH 092/702] RDMA/mlx4: Fix truncated output warning in alias_GUID.c MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit [ Upstream commit 5953e0647cec703ef436ead37fed48943507b433 ] drivers/infiniband/hw/mlx4/alias_GUID.c: In function ‘mlx4_ib_init_alias_guid_service’: drivers/infiniband/hw/mlx4/alias_GUID.c:878:74: error: ‘%d’ directive output may be truncated writing between 1 and 11 bytes into a region of size 5 [-Werror=format-truncation=] 878 | snprintf(alias_wq_name, sizeof alias_wq_name, "alias_guid%d", i); | ^~ drivers/infiniband/hw/mlx4/alias_GUID.c:878:63: note: directive argument in the range [-2147483641, 2147483646] 878 | snprintf(alias_wq_name, sizeof alias_wq_name, "alias_guid%d", i); | ^~~~~~~~~~~~~~ drivers/infiniband/hw/mlx4/alias_GUID.c:878:17: note: ‘snprintf’ output between 12 and 22 bytes into a destination of size 15 878 | snprintf(alias_wq_name, sizeof alias_wq_name, "alias_guid%d", i); | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ cc1: all warnings being treated as errors Fixes: a0c64a17aba8 ("mlx4: Add alias_guid mechanism") Link: https://lore.kernel.org/r/1951c9500109ca7e36dcd523f8a5f2d0d2a608d1.1718554641.git.leon@kernel.org Signed-off-by: Leon Romanovsky Signed-off-by: Jason Gunthorpe Signed-off-by: Sasha Levin --- drivers/infiniband/hw/mlx4/alias_GUID.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/infiniband/hw/mlx4/alias_GUID.c b/drivers/infiniband/hw/mlx4/alias_GUID.c index cca414ecfcd5..05420e189ca9 100644 --- a/drivers/infiniband/hw/mlx4/alias_GUID.c +++ b/drivers/infiniband/hw/mlx4/alias_GUID.c @@ -832,7 +832,7 @@ void mlx4_ib_destroy_alias_guid_service(struct mlx4_ib_dev *dev) int mlx4_ib_init_alias_guid_service(struct mlx4_ib_dev *dev) { - char alias_wq_name[15]; + char alias_wq_name[22]; int ret = 0; int i, j; union ib_gid gid; From 771f129bed4d88545418c0ecb5134302a9c8d278 Mon Sep 17 00:00:00 2001 From: Honggang LI Date: Mon, 24 Jun 2024 10:03:48 +0800 Subject: [PATCH 093/702] RDMA/rxe: Don't set BTH_ACK_MASK for UC or UD QPs [ Upstream commit 4adcaf969d77d3d3aa3871bbadc196258a38aec6 ] BTH_ACK_MASK bit is used to indicate that an acknowledge (for this packet) should be scheduled by the responder. Both UC and UD QPs are unacknowledged, so don't set BTH_ACK_MASK for UC or UD QPs. Fixes: 8700e3e7c485 ("Soft RoCE driver") Signed-off-by: Honggang LI Link: https://lore.kernel.org/r/20240624020348.494338-1-honggangli@163.com Reviewed-by: Zhu Yanjun Signed-off-by: Leon Romanovsky Signed-off-by: Jason Gunthorpe Signed-off-by: Sasha Levin --- drivers/infiniband/sw/rxe/rxe_req.c | 7 ++++--- 1 file changed, 4 insertions(+), 3 deletions(-) diff --git a/drivers/infiniband/sw/rxe/rxe_req.c b/drivers/infiniband/sw/rxe/rxe_req.c index 69238f856c67..a034aa8fc5ca 100644 --- a/drivers/infiniband/sw/rxe/rxe_req.c +++ b/drivers/infiniband/sw/rxe/rxe_req.c @@ -362,7 +362,7 @@ static struct sk_buff *init_req_packet(struct rxe_qp *qp, int solicited; u16 pkey; u32 qp_num; - int ack_req; + int ack_req = 0; /* length from start of bth to end of icrc */ paylen = rxe_opcode[opcode].length + payload + pad + RXE_ICRC_SIZE; @@ -396,8 +396,9 @@ static struct sk_buff *init_req_packet(struct rxe_qp *qp, qp_num = (pkt->mask & RXE_DETH_MASK) ? ibwr->wr.ud.remote_qpn : qp->attr.dest_qp_num; - ack_req = ((pkt->mask & RXE_END_MASK) || - (qp->req.noack_pkts++ > RXE_MAX_PKT_PER_ACK)); + if (qp_type(qp) != IB_QPT_UD && qp_type(qp) != IB_QPT_UC) + ack_req = ((pkt->mask & RXE_END_MASK) || + (qp->req.noack_pkts++ > RXE_MAX_PKT_PER_ACK)); if (ack_req) qp->req.noack_pkts = 0; From ab2114f6ffc8290c4f5d37531d440c3751b51ead Mon Sep 17 00:00:00 2001 From: Chen Ni Date: Fri, 28 Jun 2024 16:05:34 +0800 Subject: [PATCH 094/702] ASoC: max98088: Check for clk_prepare_enable() error [ Upstream commit 1a70579723fde3624a72dfea6e79e55be6e36659 ] clk_prepare_enable() may fail, so we should better check its return value and propagate it in the case of error. Fixes: 62a7fc32a628 ("ASoC: max98088: Add master clock handling") Signed-off-by: Chen Ni Link: https://patch.msgid.link/20240628080534.843815-1-nichen@iscas.ac.cn Signed-off-by: Mark Brown Signed-off-by: Sasha Levin --- sound/soc/codecs/max98088.c | 10 +++++++--- 1 file changed, 7 insertions(+), 3 deletions(-) diff --git a/sound/soc/codecs/max98088.c b/sound/soc/codecs/max98088.c index f8e49e45ce33..a71fbfddc29a 100644 --- a/sound/soc/codecs/max98088.c +++ b/sound/soc/codecs/max98088.c @@ -1319,6 +1319,7 @@ static int max98088_set_bias_level(struct snd_soc_component *component, enum snd_soc_bias_level level) { struct max98088_priv *max98088 = snd_soc_component_get_drvdata(component); + int ret; switch (level) { case SND_SOC_BIAS_ON: @@ -1334,10 +1335,13 @@ static int max98088_set_bias_level(struct snd_soc_component *component, */ if (!IS_ERR(max98088->mclk)) { if (snd_soc_component_get_bias_level(component) == - SND_SOC_BIAS_ON) + SND_SOC_BIAS_ON) { clk_disable_unprepare(max98088->mclk); - else - clk_prepare_enable(max98088->mclk); + } else { + ret = clk_prepare_enable(max98088->mclk); + if (ret) + return ret; + } } break; From 695d70c60bdbab9d5aa35cc9b933ff11c1d391a6 Mon Sep 17 00:00:00 2001 From: Arnd Bergmann Date: Wed, 29 May 2024 11:50:39 +0200 Subject: [PATCH 095/702] mtd: make mtd_test.c a separate module [ Upstream commit a5cf054d325e6f362e82fe6d124a1871a4af8174 ] This file gets linked into nine different modules, which causes a warning: scripts/Makefile.build:236: drivers/mtd/tests/Makefile: mtd_test.o is added to multiple modules: mtd_nandbiterrs mtd_oobtest mtd_pagetest mtd_readtest mtd_speedtest mtd_stresstest mtd_subpagetest mtd_torturetest Make it a separate module instead. Fixes: a995c792280d ("mtd: tests: rename sources in order to link a helper object") Signed-off-by: Arnd Bergmann Signed-off-by: Miquel Raynal Link: https://lore.kernel.org/linux-mtd/20240529095049.1915393-1-arnd@kernel.org Signed-off-by: Sasha Levin --- drivers/mtd/tests/Makefile | 34 +++++++++++++++++----------------- drivers/mtd/tests/mtd_test.c | 9 +++++++++ 2 files changed, 26 insertions(+), 17 deletions(-) diff --git a/drivers/mtd/tests/Makefile b/drivers/mtd/tests/Makefile index 5de0378f90db..7dae831ee8b6 100644 --- a/drivers/mtd/tests/Makefile +++ b/drivers/mtd/tests/Makefile @@ -1,19 +1,19 @@ # SPDX-License-Identifier: GPL-2.0 -obj-$(CONFIG_MTD_TESTS) += mtd_oobtest.o -obj-$(CONFIG_MTD_TESTS) += mtd_pagetest.o -obj-$(CONFIG_MTD_TESTS) += mtd_readtest.o -obj-$(CONFIG_MTD_TESTS) += mtd_speedtest.o -obj-$(CONFIG_MTD_TESTS) += mtd_stresstest.o -obj-$(CONFIG_MTD_TESTS) += mtd_subpagetest.o -obj-$(CONFIG_MTD_TESTS) += mtd_torturetest.o -obj-$(CONFIG_MTD_TESTS) += mtd_nandecctest.o -obj-$(CONFIG_MTD_TESTS) += mtd_nandbiterrs.o +obj-$(CONFIG_MTD_TESTS) += mtd_oobtest.o mtd_test.o +obj-$(CONFIG_MTD_TESTS) += mtd_pagetest.o mtd_test.o +obj-$(CONFIG_MTD_TESTS) += mtd_readtest.o mtd_test.o +obj-$(CONFIG_MTD_TESTS) += mtd_speedtest.o mtd_test.o +obj-$(CONFIG_MTD_TESTS) += mtd_stresstest.o mtd_test.o +obj-$(CONFIG_MTD_TESTS) += mtd_subpagetest.o mtd_test.o +obj-$(CONFIG_MTD_TESTS) += mtd_torturetest.o mtd_test.o +obj-$(CONFIG_MTD_TESTS) += mtd_nandecctest.o mtd_test.o +obj-$(CONFIG_MTD_TESTS) += mtd_nandbiterrs.o mtd_test.o -mtd_oobtest-objs := oobtest.o mtd_test.o -mtd_pagetest-objs := pagetest.o mtd_test.o -mtd_readtest-objs := readtest.o mtd_test.o -mtd_speedtest-objs := speedtest.o mtd_test.o -mtd_stresstest-objs := stresstest.o mtd_test.o -mtd_subpagetest-objs := subpagetest.o mtd_test.o -mtd_torturetest-objs := torturetest.o mtd_test.o -mtd_nandbiterrs-objs := nandbiterrs.o mtd_test.o +mtd_oobtest-objs := oobtest.o +mtd_pagetest-objs := pagetest.o +mtd_readtest-objs := readtest.o +mtd_speedtest-objs := speedtest.o +mtd_stresstest-objs := stresstest.o +mtd_subpagetest-objs := subpagetest.o +mtd_torturetest-objs := torturetest.o +mtd_nandbiterrs-objs := nandbiterrs.o diff --git a/drivers/mtd/tests/mtd_test.c b/drivers/mtd/tests/mtd_test.c index c84250beffdc..f391e0300cdc 100644 --- a/drivers/mtd/tests/mtd_test.c +++ b/drivers/mtd/tests/mtd_test.c @@ -25,6 +25,7 @@ int mtdtest_erase_eraseblock(struct mtd_info *mtd, unsigned int ebnum) return 0; } +EXPORT_SYMBOL_GPL(mtdtest_erase_eraseblock); static int is_block_bad(struct mtd_info *mtd, unsigned int ebnum) { @@ -57,6 +58,7 @@ int mtdtest_scan_for_bad_eraseblocks(struct mtd_info *mtd, unsigned char *bbt, return 0; } +EXPORT_SYMBOL_GPL(mtdtest_scan_for_bad_eraseblocks); int mtdtest_erase_good_eraseblocks(struct mtd_info *mtd, unsigned char *bbt, unsigned int eb, int ebcnt) @@ -75,6 +77,7 @@ int mtdtest_erase_good_eraseblocks(struct mtd_info *mtd, unsigned char *bbt, return 0; } +EXPORT_SYMBOL_GPL(mtdtest_erase_good_eraseblocks); int mtdtest_read(struct mtd_info *mtd, loff_t addr, size_t size, void *buf) { @@ -92,6 +95,7 @@ int mtdtest_read(struct mtd_info *mtd, loff_t addr, size_t size, void *buf) return err; } +EXPORT_SYMBOL_GPL(mtdtest_read); int mtdtest_write(struct mtd_info *mtd, loff_t addr, size_t size, const void *buf) @@ -107,3 +111,8 @@ int mtdtest_write(struct mtd_info *mtd, loff_t addr, size_t size, return err; } +EXPORT_SYMBOL_GPL(mtdtest_write); + +MODULE_LICENSE("GPL"); +MODULE_DESCRIPTION("MTD function test helpers"); +MODULE_AUTHOR("Akinobu Mita"); From 37a484f771edf278bf32d477c55cb5e9e71f74a6 Mon Sep 17 00:00:00 2001 From: Leon Romanovsky Date: Mon, 24 Jun 2024 16:24:32 +0300 Subject: [PATCH 096/702] RDMA/device: Return error earlier if port in not valid [ Upstream commit 917918f57a7b139c043e78c502876f2c286f4f0a ] There is no need to allocate port data if port provided is not valid. Fixes: c2261dd76b54 ("RDMA/device: Add ib_device_set_netdev() as an alternative to get_netdev") Link: https://lore.kernel.org/r/022047a8b16988fc88d4426da50bf60a4833311b.1719235449.git.leon@kernel.org Signed-off-by: Leon Romanovsky Signed-off-by: Sasha Levin --- drivers/infiniband/core/device.c | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) diff --git a/drivers/infiniband/core/device.c b/drivers/infiniband/core/device.c index 94c3bad72cc5..3848fe0449a4 100644 --- a/drivers/infiniband/core/device.c +++ b/drivers/infiniband/core/device.c @@ -2106,6 +2106,9 @@ int ib_device_set_netdev(struct ib_device *ib_dev, struct net_device *ndev, unsigned long flags; int ret; + if (!rdma_is_port_valid(ib_dev, port)) + return -EINVAL; + /* * Drivers wish to call this before ib_register_driver, so we have to * setup the port data early. @@ -2114,9 +2117,6 @@ int ib_device_set_netdev(struct ib_device *ib_dev, struct net_device *ndev, if (ret) return ret; - if (!rdma_is_port_valid(ib_dev, port)) - return -EINVAL; - pdata = &ib_dev->port_data[port]; spin_lock_irqsave(&pdata->netdev_lock, flags); old_ndev = rcu_dereference_protected( From 3009d371a2ef90a7bf2afca2863112b328c1a42e Mon Sep 17 00:00:00 2001 From: Dmitry Torokhov Date: Thu, 6 Jun 2024 23:02:48 -0700 Subject: [PATCH 097/702] Input: elan_i2c - do not leave interrupt disabled on suspend failure [ Upstream commit 5f82c1e04721e7cd98e604eb4e58f0724d8e5a65 ] Make sure interrupts are not left disabled when we fail to suspend the touch controller. Fixes: 6696777c6506 ("Input: add driver for Elan I2C/SMbus touchpad") Link: https://lore.kernel.org/r/ZmKiiL-1wzKrhqBj@google.com Signed-off-by: Dmitry Torokhov Signed-off-by: Sasha Levin --- drivers/input/mouse/elan_i2c_core.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/drivers/input/mouse/elan_i2c_core.c b/drivers/input/mouse/elan_i2c_core.c index 6f59c8b245f2..14c2c66414f4 100644 --- a/drivers/input/mouse/elan_i2c_core.c +++ b/drivers/input/mouse/elan_i2c_core.c @@ -1340,6 +1340,8 @@ static int __maybe_unused elan_suspend(struct device *dev) } err: + if (ret) + enable_irq(client->irq); mutex_unlock(&data->sysfs_mutex); return ret; } From 38a7e4b8bfeaf3a00b5e2c42e4861a37734d2f4f Mon Sep 17 00:00:00 2001 From: Dominique Martinet Date: Fri, 5 Jul 2024 16:48:30 +0900 Subject: [PATCH 098/702] MIPS: Octeron: remove source file executable bit [ Upstream commit 89c7f5078935872cf47a713a645affb5037be694 ] This does not matter the least, but there is no other .[ch] file in the repo that is executable, so clean this up. Fixes: 29b83a64df3b ("MIPS: Octeon: Add PCIe link status check") Signed-off-by: Dominique Martinet Signed-off-by: Thomas Bogendoerfer Signed-off-by: Sasha Levin --- arch/mips/pci/pcie-octeon.c | 0 1 file changed, 0 insertions(+), 0 deletions(-) mode change 100755 => 100644 arch/mips/pci/pcie-octeon.c diff --git a/arch/mips/pci/pcie-octeon.c b/arch/mips/pci/pcie-octeon.c old mode 100755 new mode 100644 From 445ffbccd05a30cf25b0b84399b1777aed794ef6 Mon Sep 17 00:00:00 2001 From: Michael Ellerman Date: Thu, 9 May 2024 22:12:47 +1000 Subject: [PATCH 099/702] powerpc/xmon: Fix disassembly CPU feature checks [ Upstream commit 14196e47c5ffe32af7ed5a51c9e421c5ea5bccce ] In the xmon disassembly code there are several CPU feature checks to determine what dialects should be passed to the disassembler. The dialect controls which instructions the disassembler will recognise. Unfortunately the checks are incorrect, because instead of passing a single CPU feature they are passing a mask of feature bits. For example the code: if (cpu_has_feature(CPU_FTRS_POWER5)) dialect |= PPC_OPCODE_POWER5; Is trying to check if the system is running on a Power5 CPU. But CPU_FTRS_POWER5 is a mask of *all* the feature bits that are enabled on a Power5. In practice the test will always return true for any 64-bit CPU, because at least one bit in the mask will be present in the CPU_FTRS_ALWAYS mask. Similarly for all the other checks against CPU_FTRS_xx masks. Rather than trying to match the disassembly behaviour exactly to the current CPU, just differentiate between 32-bit and 64-bit, and Altivec, VSX and HTM. That will cause some instructions to be shown in disassembly even on a CPU that doesn't support them, but that's OK, objdump -d output has the same behaviour, and if anything it's less confusing than some instructions not being disassembled. Fixes: 897f112bb42e ("[POWERPC] Import updated version of ppc disassembly code for xmon") Signed-off-by: Michael Ellerman Link: https://msgid.link/20240509121248.270878-2-mpe@ellerman.id.au Signed-off-by: Sasha Levin --- arch/powerpc/xmon/ppc-dis.c | 33 +++++++++++---------------------- 1 file changed, 11 insertions(+), 22 deletions(-) diff --git a/arch/powerpc/xmon/ppc-dis.c b/arch/powerpc/xmon/ppc-dis.c index 75fa98221d48..af105e1bc3fc 100644 --- a/arch/powerpc/xmon/ppc-dis.c +++ b/arch/powerpc/xmon/ppc-dis.c @@ -122,32 +122,21 @@ int print_insn_powerpc (unsigned long insn, unsigned long memaddr) bool insn_is_short; ppc_cpu_t dialect; - dialect = PPC_OPCODE_PPC | PPC_OPCODE_COMMON - | PPC_OPCODE_64 | PPC_OPCODE_POWER4 | PPC_OPCODE_ALTIVEC; + dialect = PPC_OPCODE_PPC | PPC_OPCODE_COMMON; - if (cpu_has_feature(CPU_FTRS_POWER5)) - dialect |= PPC_OPCODE_POWER5; + if (IS_ENABLED(CONFIG_PPC64)) + dialect |= PPC_OPCODE_64 | PPC_OPCODE_POWER4 | PPC_OPCODE_CELL | + PPC_OPCODE_POWER5 | PPC_OPCODE_POWER6 | PPC_OPCODE_POWER7 | PPC_OPCODE_POWER8 | + PPC_OPCODE_POWER9; - if (cpu_has_feature(CPU_FTRS_CELL)) - dialect |= (PPC_OPCODE_CELL | PPC_OPCODE_ALTIVEC); + if (cpu_has_feature(CPU_FTR_TM)) + dialect |= PPC_OPCODE_HTM; - if (cpu_has_feature(CPU_FTRS_POWER6)) - dialect |= (PPC_OPCODE_POWER5 | PPC_OPCODE_POWER6 | PPC_OPCODE_ALTIVEC); + if (cpu_has_feature(CPU_FTR_ALTIVEC)) + dialect |= PPC_OPCODE_ALTIVEC | PPC_OPCODE_ALTIVEC2; - if (cpu_has_feature(CPU_FTRS_POWER7)) - dialect |= (PPC_OPCODE_POWER5 | PPC_OPCODE_POWER6 | PPC_OPCODE_POWER7 - | PPC_OPCODE_ALTIVEC | PPC_OPCODE_VSX); - - if (cpu_has_feature(CPU_FTRS_POWER8)) - dialect |= (PPC_OPCODE_POWER5 | PPC_OPCODE_POWER6 | PPC_OPCODE_POWER7 - | PPC_OPCODE_POWER8 | PPC_OPCODE_HTM - | PPC_OPCODE_ALTIVEC | PPC_OPCODE_ALTIVEC2 | PPC_OPCODE_VSX); - - if (cpu_has_feature(CPU_FTRS_POWER9)) - dialect |= (PPC_OPCODE_POWER5 | PPC_OPCODE_POWER6 | PPC_OPCODE_POWER7 - | PPC_OPCODE_POWER8 | PPC_OPCODE_POWER9 | PPC_OPCODE_HTM - | PPC_OPCODE_ALTIVEC | PPC_OPCODE_ALTIVEC2 - | PPC_OPCODE_VSX | PPC_OPCODE_VSX3); + if (cpu_has_feature(CPU_FTR_VSX)) + dialect |= PPC_OPCODE_VSX | PPC_OPCODE_VSX3; /* Get the major opcode of the insn. */ opcode = NULL; From 29723ad94817da1a8b9ff607cbc254c3ebe8caaa Mon Sep 17 00:00:00 2001 From: Nick Bowler Date: Wed, 10 Jul 2024 23:54:17 -0400 Subject: [PATCH 100/702] macintosh/therm_windtunnel: fix module unload. [ Upstream commit fd748e177194ebcbbaf98df75152a30e08230cc6 ] The of_device_unregister call in therm_windtunnel's module_exit procedure does not fully reverse the effects of of_platform_device_create in the module_init prodedure. Once you unload this module, it is impossible to load it ever again since only the first of_platform_device_create call on the fan node succeeds. This driver predates first git commit, and it turns out back then of_platform_device_create worked differently than it does today. So this is actually an old regression. The appropriate function to undo of_platform_device_create now appears to be of_platform_device_destroy, and switching to use this makes it possible to unload and load the module as expected. Signed-off-by: Nick Bowler Fixes: c6e126de43e7 ("of: Keep track of populated platform devices") Signed-off-by: Michael Ellerman Link: https://msgid.link/20240711035428.16696-1-nbowler@draconx.ca Signed-off-by: Sasha Levin --- drivers/macintosh/therm_windtunnel.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/macintosh/therm_windtunnel.c b/drivers/macintosh/therm_windtunnel.c index f55f6adf5e5f..49805eb4d145 100644 --- a/drivers/macintosh/therm_windtunnel.c +++ b/drivers/macintosh/therm_windtunnel.c @@ -549,7 +549,7 @@ g4fan_exit( void ) platform_driver_unregister( &therm_of_driver ); if( x.of_dev ) - of_device_unregister( x.of_dev ); + of_platform_device_destroy(&x.of_dev->dev, NULL); } module_init(g4fan_init); From edc2dee07ab4ae2188b9780c453a64032162a5a0 Mon Sep 17 00:00:00 2001 From: Chengchang Tang Date: Wed, 10 Jul 2024 21:37:01 +0800 Subject: [PATCH 101/702] RDMA/hns: Fix missing pagesize and alignment check in FRMR [ Upstream commit d387d4b54eb84208bd4ca13572e106851d0a0819 ] The offset requires 128B alignment and the page size ranges from 4K to 128M. Fixes: 68a997c5d28c ("RDMA/hns: Add FRMR support for hip08") Signed-off-by: Chengchang Tang Signed-off-by: Junxian Huang Link: https://lore.kernel.org/r/20240710133705.896445-5-huangjunxian6@hisilicon.com Signed-off-by: Leon Romanovsky Signed-off-by: Sasha Levin --- drivers/infiniband/hw/hns/hns_roce_device.h | 4 ++++ drivers/infiniband/hw/hns/hns_roce_mr.c | 5 +++++ 2 files changed, 9 insertions(+) diff --git a/drivers/infiniband/hw/hns/hns_roce_device.h b/drivers/infiniband/hw/hns/hns_roce_device.h index fe54e09eeccd..72a41f34ecfd 100644 --- a/drivers/infiniband/hw/hns/hns_roce_device.h +++ b/drivers/infiniband/hw/hns/hns_roce_device.h @@ -98,6 +98,7 @@ #define MR_TYPE_DMA 0x03 #define HNS_ROCE_FRMR_MAX_PA 512 +#define HNS_ROCE_FRMR_ALIGN_SIZE 128 #define PKEY_ID 0xffff #define GUID_LEN 8 @@ -267,6 +268,9 @@ enum { #define HNS_HW_PAGE_SHIFT 12 #define HNS_HW_PAGE_SIZE (1 << HNS_HW_PAGE_SHIFT) +#define HNS_HW_MAX_PAGE_SHIFT 27 +#define HNS_HW_MAX_PAGE_SIZE (1 << HNS_HW_MAX_PAGE_SHIFT) + struct hns_roce_uar { u64 pfn; unsigned long index; diff --git a/drivers/infiniband/hw/hns/hns_roce_mr.c b/drivers/infiniband/hw/hns/hns_roce_mr.c index c038ed7d9496..7e93c9b4a33f 100644 --- a/drivers/infiniband/hw/hns/hns_roce_mr.c +++ b/drivers/infiniband/hw/hns/hns_roce_mr.c @@ -486,6 +486,11 @@ int hns_roce_map_mr_sg(struct ib_mr *ibmr, struct scatterlist *sg, int sg_nents, struct hns_roce_mtr *mtr = &mr->pbl_mtr; int ret, sg_num = 0; + if (!IS_ALIGNED(*sg_offset, HNS_ROCE_FRMR_ALIGN_SIZE) || + ibmr->page_size < HNS_HW_PAGE_SIZE || + ibmr->page_size > HNS_HW_MAX_PAGE_SIZE) + return sg_num; + mr->npages = 0; mr->page_list = kvcalloc(mr->pbl_mtr.hem_cfg.buf_pg_count, sizeof(dma_addr_t), GFP_KERNEL); From 9118c408ee0956b996cd48a44c586d2b50e17990 Mon Sep 17 00:00:00 2001 From: Jack Wang Date: Wed, 10 Jul 2024 14:21:02 +0200 Subject: [PATCH 102/702] bnxt_re: Fix imm_data endianness [ Upstream commit 95b087f87b780daafad1dbb2c84e81b729d5d33f ] When map a device between servers with MLX and BCM RoCE nics, RTRS server complain about unknown imm type, and can't map the device, After more debug, it seems bnxt_re wrongly handle the imm_data, this patch fixed the compat issue with MLX for us. In off list discussion, Selvin confirmed HW is working in little endian format and all data needs to be converted to LE while providing. This patch fix the endianness for imm_data Fixes: 1ac5a4047975 ("RDMA/bnxt_re: Add bnxt_re RoCE driver") Signed-off-by: Jack Wang Link: https://lore.kernel.org/r/20240710122102.37569-1-jinpu.wang@ionos.com Acked-by: Selvin Xavier Signed-off-by: Leon Romanovsky Signed-off-by: Sasha Levin --- drivers/infiniband/hw/bnxt_re/ib_verbs.c | 8 ++++---- drivers/infiniband/hw/bnxt_re/qplib_fp.h | 6 +++--- 2 files changed, 7 insertions(+), 7 deletions(-) diff --git a/drivers/infiniband/hw/bnxt_re/ib_verbs.c b/drivers/infiniband/hw/bnxt_re/ib_verbs.c index a0d7777acb6d..f16e0b2c7895 100644 --- a/drivers/infiniband/hw/bnxt_re/ib_verbs.c +++ b/drivers/infiniband/hw/bnxt_re/ib_verbs.c @@ -2357,7 +2357,7 @@ static int bnxt_re_build_send_wqe(struct bnxt_re_qp *qp, break; case IB_WR_SEND_WITH_IMM: wqe->type = BNXT_QPLIB_SWQE_TYPE_SEND_WITH_IMM; - wqe->send.imm_data = wr->ex.imm_data; + wqe->send.imm_data = be32_to_cpu(wr->ex.imm_data); break; case IB_WR_SEND_WITH_INV: wqe->type = BNXT_QPLIB_SWQE_TYPE_SEND_WITH_INV; @@ -2387,7 +2387,7 @@ static int bnxt_re_build_rdma_wqe(const struct ib_send_wr *wr, break; case IB_WR_RDMA_WRITE_WITH_IMM: wqe->type = BNXT_QPLIB_SWQE_TYPE_RDMA_WRITE_WITH_IMM; - wqe->rdma.imm_data = wr->ex.imm_data; + wqe->rdma.imm_data = be32_to_cpu(wr->ex.imm_data); break; case IB_WR_RDMA_READ: wqe->type = BNXT_QPLIB_SWQE_TYPE_RDMA_READ; @@ -3334,7 +3334,7 @@ static void bnxt_re_process_res_shadow_qp_wc(struct bnxt_re_qp *gsi_sqp, wc->byte_len = orig_cqe->length; wc->qp = &gsi_qp->ib_qp; - wc->ex.imm_data = orig_cqe->immdata; + wc->ex.imm_data = cpu_to_be32(le32_to_cpu(orig_cqe->immdata)); wc->src_qp = orig_cqe->src_qp; memcpy(wc->smac, orig_cqe->smac, ETH_ALEN); if (bnxt_re_is_vlan_pkt(orig_cqe, &vlan_id, &sl)) { @@ -3474,7 +3474,7 @@ int bnxt_re_poll_cq(struct ib_cq *ib_cq, int num_entries, struct ib_wc *wc) continue; } wc->qp = &qp->ib_qp; - wc->ex.imm_data = cqe->immdata; + wc->ex.imm_data = cpu_to_be32(le32_to_cpu(cqe->immdata)); wc->src_qp = cqe->src_qp; memcpy(wc->smac, cqe->smac, ETH_ALEN); wc->port_num = 1; diff --git a/drivers/infiniband/hw/bnxt_re/qplib_fp.h b/drivers/infiniband/hw/bnxt_re/qplib_fp.h index 667f93d90045..f112f013df7d 100644 --- a/drivers/infiniband/hw/bnxt_re/qplib_fp.h +++ b/drivers/infiniband/hw/bnxt_re/qplib_fp.h @@ -162,7 +162,7 @@ struct bnxt_qplib_swqe { /* Send, with imm, inval key */ struct { union { - __be32 imm_data; + u32 imm_data; u32 inv_key; }; u32 q_key; @@ -180,7 +180,7 @@ struct bnxt_qplib_swqe { /* RDMA write, with imm, read */ struct { union { - __be32 imm_data; + u32 imm_data; u32 inv_key; }; u64 remote_va; @@ -372,7 +372,7 @@ struct bnxt_qplib_cqe { u16 cfa_meta; u64 wr_id; union { - __be32 immdata; + __le32 immdata; u32 invrkey; }; u64 qp_handle; From eb4ca1a97e08ff5b920664ba292e576257e2d184 Mon Sep 17 00:00:00 2001 From: Pablo Neira Ayuso Date: Sat, 13 Jul 2024 16:47:38 +0200 Subject: [PATCH 103/702] netfilter: ctnetlink: use helper function to calculate expect ID [ Upstream commit 782161895eb4ac45cf7cfa8db375bd4766cb8299 ] Delete expectation path is missing a call to the nf_expect_get_id() helper function to calculate the expectation ID, otherwise LSB of the expectation object address is leaked to userspace. Fixes: 3c79107631db ("netfilter: ctnetlink: don't use conntrack/expect object addresses as id") Reported-by: zdi-disclosures@trendmicro.com Signed-off-by: Pablo Neira Ayuso Signed-off-by: Sasha Levin --- net/netfilter/nf_conntrack_netlink.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/net/netfilter/nf_conntrack_netlink.c b/net/netfilter/nf_conntrack_netlink.c index ceb7c988edef..b55e87143c2c 100644 --- a/net/netfilter/nf_conntrack_netlink.c +++ b/net/netfilter/nf_conntrack_netlink.c @@ -3413,7 +3413,8 @@ static int ctnetlink_del_expect(struct net *net, struct sock *ctnl, if (cda[CTA_EXPECT_ID]) { __be32 id = nla_get_be32(cda[CTA_EXPECT_ID]); - if (ntohl(id) != (u32)(unsigned long)exp) { + + if (id != nf_expect_get_id(exp)) { nf_ct_expect_put(exp); return -ENOENT; } From ef6af29942616dcfb342d9c61909c3d2f5efd5ce Mon Sep 17 00:00:00 2001 From: Martin Willi Date: Wed, 17 Jul 2024 11:08:19 +0200 Subject: [PATCH 104/702] net: dsa: mv88e6xxx: Limit chip-wide frame size config to CPU ports [ Upstream commit 66b6095c264e1b4e0a441c6329861806504e06c6 ] Marvell chips not supporting per-port jumbo frame size configurations use a chip-wide frame size configuration. In the commit referenced with the Fixes tag, the setting is applied just for the last port changing its MTU. While configuring CPU ports accounts for tagger overhead, user ports do not. When setting the MTU for a user port, the chip-wide setting is reduced to not include the tagger overhead, resulting in an potentially insufficient maximum frame size for the CPU port. Specifically, sending full-size frames from the CPU port on a MV88E6097 having a user port MTU of 1500 bytes results in dropped frames. As, by design, the CPU port MTU is adjusted for any user port change, apply the chip-wide setting only for CPU ports. Fixes: 1baf0fac10fb ("net: dsa: mv88e6xxx: Use chip-wide max frame size for MTU") Suggested-by: Vladimir Oltean Signed-off-by: Martin Willi Reviewed-by: Vladimir Oltean Signed-off-by: Paolo Abeni Signed-off-by: Sasha Levin --- drivers/net/dsa/mv88e6xxx/chip.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/drivers/net/dsa/mv88e6xxx/chip.c b/drivers/net/dsa/mv88e6xxx/chip.c index 6a1ae774cfe9..c7f93329ae75 100644 --- a/drivers/net/dsa/mv88e6xxx/chip.c +++ b/drivers/net/dsa/mv88e6xxx/chip.c @@ -2774,7 +2774,8 @@ static int mv88e6xxx_change_mtu(struct dsa_switch *ds, int port, int new_mtu) mv88e6xxx_reg_lock(chip); if (chip->info->ops->port_set_jumbo_size) ret = chip->info->ops->port_set_jumbo_size(chip, port, new_mtu); - else if (chip->info->ops->set_max_frame_size) + else if (chip->info->ops->set_max_frame_size && + dsa_is_cpu_port(ds, port)) ret = chip->info->ops->set_max_frame_size(chip, new_mtu); mv88e6xxx_reg_unlock(chip); From 01c0341e9846fb6422e2a6a088b868aa5525ccd5 Mon Sep 17 00:00:00 2001 From: Martin Willi Date: Wed, 17 Jul 2024 11:08:20 +0200 Subject: [PATCH 105/702] net: dsa: b53: Limit chip-wide jumbo frame config to CPU ports [ Upstream commit c5118072e228e7e4385fc5ac46b2e31cf6c4f2d3 ] Broadcom switches supported by the b53 driver use a chip-wide jumbo frame configuration. In the commit referenced with the Fixes tag, the setting is applied just for the last port changing its MTU. While configuring CPU ports accounts for tagger overhead, user ports do not. When setting the MTU for a user port, the chip-wide setting is reduced to not include the tagger overhead, resulting in an potentially insufficient chip-wide maximum frame size for the CPU port. As, by design, the CPU port MTU is adjusted for any user port change, apply the chip-wide setting only for CPU ports. This aligns the driver to the behavior of other switch drivers. Fixes: 6ae5834b983a ("net: dsa: b53: add MTU configuration support") Suggested-by: Vladimir Oltean Signed-off-by: Martin Willi Reviewed-by: Vladimir Oltean Signed-off-by: Paolo Abeni Signed-off-by: Sasha Levin --- drivers/net/dsa/b53/b53_common.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/drivers/net/dsa/b53/b53_common.c b/drivers/net/dsa/b53/b53_common.c index d3b37cebcfde..2bf07a398054 100644 --- a/drivers/net/dsa/b53/b53_common.c +++ b/drivers/net/dsa/b53/b53_common.c @@ -2180,6 +2180,9 @@ static int b53_change_mtu(struct dsa_switch *ds, int port, int mtu) if (is5325(dev) || is5365(dev)) return -EOPNOTSUPP; + if (!dsa_is_cpu_port(ds, port)) + return 0; + enable_jumbo = (mtu >= JMS_MIN_SIZE); allow_10_100 = (dev->chip_id == BCM583XX_DEVICE_ID); From 53f2d5bce177245b18d09d25dd803e34b6810e6f Mon Sep 17 00:00:00 2001 From: Dmitry Yashin Date: Wed, 15 May 2024 17:16:32 +0500 Subject: [PATCH 106/702] pinctrl: rockchip: update rk3308 iomux routes [ Upstream commit a8f2548548584549ea29d43431781d67c4afa42b ] Some of the rk3308 iomux routes in rk3308_mux_route_data belong to the rk3308b SoC. Remove them and correct i2c3 routes. Fixes: 7825aeb7b208 ("pinctrl: rockchip: add rk3308 SoC support") Signed-off-by: Dmitry Yashin Reviewed-by: Heiko Stuebner Link: https://lore.kernel.org/r/20240515121634.23945-2-dmt.yashin@gmail.com Signed-off-by: Linus Walleij Signed-off-by: Sasha Levin --- drivers/pinctrl/pinctrl-rockchip.c | 17 ++--------------- 1 file changed, 2 insertions(+), 15 deletions(-) diff --git a/drivers/pinctrl/pinctrl-rockchip.c b/drivers/pinctrl/pinctrl-rockchip.c index 02b41f1bafe7..e0f22ce219ee 100644 --- a/drivers/pinctrl/pinctrl-rockchip.c +++ b/drivers/pinctrl/pinctrl-rockchip.c @@ -720,9 +720,8 @@ static struct rockchip_mux_route_data rk3308_mux_route_data[] = { RK_MUXROUTE_SAME(0, RK_PC3, 1, 0x314, BIT(16 + 0) | BIT(0)), /* rtc_clk */ RK_MUXROUTE_SAME(1, RK_PC6, 2, 0x314, BIT(16 + 2) | BIT(16 + 3)), /* uart2_rxm0 */ RK_MUXROUTE_SAME(4, RK_PD2, 2, 0x314, BIT(16 + 2) | BIT(16 + 3) | BIT(2)), /* uart2_rxm1 */ - RK_MUXROUTE_SAME(0, RK_PB7, 2, 0x608, BIT(16 + 8) | BIT(16 + 9)), /* i2c3_sdam0 */ - RK_MUXROUTE_SAME(3, RK_PB4, 2, 0x608, BIT(16 + 8) | BIT(16 + 9) | BIT(8)), /* i2c3_sdam1 */ - RK_MUXROUTE_SAME(2, RK_PA0, 3, 0x608, BIT(16 + 8) | BIT(16 + 9) | BIT(9)), /* i2c3_sdam2 */ + RK_MUXROUTE_SAME(0, RK_PB7, 2, 0x314, BIT(16 + 4)), /* i2c3_sdam0 */ + RK_MUXROUTE_SAME(3, RK_PB4, 2, 0x314, BIT(16 + 4) | BIT(4)), /* i2c3_sdam1 */ RK_MUXROUTE_SAME(1, RK_PA3, 2, 0x308, BIT(16 + 3)), /* i2s-8ch-1-sclktxm0 */ RK_MUXROUTE_SAME(1, RK_PA4, 2, 0x308, BIT(16 + 3)), /* i2s-8ch-1-sclkrxm0 */ RK_MUXROUTE_SAME(1, RK_PB5, 2, 0x308, BIT(16 + 3) | BIT(3)), /* i2s-8ch-1-sclktxm1 */ @@ -731,18 +730,6 @@ static struct rockchip_mux_route_data rk3308_mux_route_data[] = { RK_MUXROUTE_SAME(1, RK_PB6, 4, 0x308, BIT(16 + 12) | BIT(16 + 13) | BIT(12)), /* pdm-clkm1 */ RK_MUXROUTE_SAME(2, RK_PA6, 2, 0x308, BIT(16 + 12) | BIT(16 + 13) | BIT(13)), /* pdm-clkm2 */ RK_MUXROUTE_SAME(2, RK_PA4, 3, 0x600, BIT(16 + 2) | BIT(2)), /* pdm-clkm-m2 */ - RK_MUXROUTE_SAME(3, RK_PB2, 3, 0x314, BIT(16 + 9)), /* spi1_miso */ - RK_MUXROUTE_SAME(2, RK_PA4, 2, 0x314, BIT(16 + 9) | BIT(9)), /* spi1_miso_m1 */ - RK_MUXROUTE_SAME(0, RK_PB3, 3, 0x314, BIT(16 + 10) | BIT(16 + 11)), /* owire_m0 */ - RK_MUXROUTE_SAME(1, RK_PC6, 7, 0x314, BIT(16 + 10) | BIT(16 + 11) | BIT(10)), /* owire_m1 */ - RK_MUXROUTE_SAME(2, RK_PA2, 5, 0x314, BIT(16 + 10) | BIT(16 + 11) | BIT(11)), /* owire_m2 */ - RK_MUXROUTE_SAME(0, RK_PB3, 2, 0x314, BIT(16 + 12) | BIT(16 + 13)), /* can_rxd_m0 */ - RK_MUXROUTE_SAME(1, RK_PC6, 5, 0x314, BIT(16 + 12) | BIT(16 + 13) | BIT(12)), /* can_rxd_m1 */ - RK_MUXROUTE_SAME(2, RK_PA2, 4, 0x314, BIT(16 + 12) | BIT(16 + 13) | BIT(13)), /* can_rxd_m2 */ - RK_MUXROUTE_SAME(1, RK_PC4, 3, 0x314, BIT(16 + 14)), /* mac_rxd0_m0 */ - RK_MUXROUTE_SAME(4, RK_PA2, 2, 0x314, BIT(16 + 14) | BIT(14)), /* mac_rxd0_m1 */ - RK_MUXROUTE_SAME(3, RK_PB4, 4, 0x314, BIT(16 + 15)), /* uart3_rx */ - RK_MUXROUTE_SAME(0, RK_PC1, 3, 0x314, BIT(16 + 15) | BIT(15)), /* uart3_rx_m1 */ }; static struct rockchip_mux_route_data rk3328_mux_route_data[] = { From 8c3bef7ca88a855c337e78c3b296adbdfabb3a45 Mon Sep 17 00:00:00 2001 From: Yang Yingliang Date: Thu, 6 Jun 2024 10:37:02 +0800 Subject: [PATCH 107/702] pinctrl: core: fix possible memory leak when pinctrl_enable() fails [ Upstream commit ae1cf4759972c5fe665ee4c5e0c29de66fe3cf4a ] In devm_pinctrl_register(), if pinctrl_enable() fails in pinctrl_register(), the "pctldev" has not been added to dev resources, so devm_pinctrl_dev_release() can not be called, it leads memory leak. Introduce pinctrl_uninit_controller(), call it in the error path to free memory. Fixes: 5038a66dad01 ("pinctrl: core: delete incorrect free in pinctrl_enable()") Signed-off-by: Yang Yingliang Reviewed-by: Dan Carpenter Link: https://lore.kernel.org/r/20240606023704.3931561-2-yangyingliang@huawei.com Signed-off-by: Linus Walleij Signed-off-by: Sasha Levin --- drivers/pinctrl/core.c | 12 +++++++++++- 1 file changed, 11 insertions(+), 1 deletion(-) diff --git a/drivers/pinctrl/core.c b/drivers/pinctrl/core.c index 3d44d6f48cc4..8152d24e128a 100644 --- a/drivers/pinctrl/core.c +++ b/drivers/pinctrl/core.c @@ -2039,6 +2039,14 @@ pinctrl_init_controller(struct pinctrl_desc *pctldesc, struct device *dev, return ERR_PTR(ret); } +static void pinctrl_uninit_controller(struct pinctrl_dev *pctldev, struct pinctrl_desc *pctldesc) +{ + pinctrl_free_pindescs(pctldev, pctldesc->pins, + pctldesc->npins); + mutex_destroy(&pctldev->mutex); + kfree(pctldev); +} + static int pinctrl_claim_hogs(struct pinctrl_dev *pctldev) { pctldev->p = create_pinctrl(pctldev->dev, pctldev); @@ -2119,8 +2127,10 @@ struct pinctrl_dev *pinctrl_register(struct pinctrl_desc *pctldesc, return pctldev; error = pinctrl_enable(pctldev); - if (error) + if (error) { + pinctrl_uninit_controller(pctldev, pctldesc); return ERR_PTR(error); + } return pctldev; } From 15014206f90db2cea5b84b5fbdb63bbc64cd1ba4 Mon Sep 17 00:00:00 2001 From: Yang Yingliang Date: Thu, 6 Jun 2024 10:37:03 +0800 Subject: [PATCH 108/702] pinctrl: single: fix possible memory leak when pinctrl_enable() fails [ Upstream commit 8f773bfbdd428819328a2d185976cfc6ae811cd3 ] This driver calls pinctrl_register_and_init() which is not devm_ managed, it will leads memory leak if pinctrl_enable() fails. Replace it with devm_pinctrl_register_and_init(). And call pcs_free_resources() if pinctrl_enable() fails. Fixes: 5038a66dad01 ("pinctrl: core: delete incorrect free in pinctrl_enable()") Signed-off-by: Yang Yingliang Reviewed-by: Dan Carpenter Link: https://lore.kernel.org/r/20240606023704.3931561-3-yangyingliang@huawei.com Signed-off-by: Linus Walleij Signed-off-by: Sasha Levin --- drivers/pinctrl/pinctrl-single.c | 7 ++++--- 1 file changed, 4 insertions(+), 3 deletions(-) diff --git a/drivers/pinctrl/pinctrl-single.c b/drivers/pinctrl/pinctrl-single.c index 22e471933b37..4860c4dd853f 100644 --- a/drivers/pinctrl/pinctrl-single.c +++ b/drivers/pinctrl/pinctrl-single.c @@ -1332,7 +1332,6 @@ static void pcs_irq_free(struct pcs_device *pcs) static void pcs_free_resources(struct pcs_device *pcs) { pcs_irq_free(pcs); - pinctrl_unregister(pcs->pctl); #if IS_BUILTIN(CONFIG_PINCTRL_SINGLE) if (pcs->missing_nr_pinctrl_cells) @@ -1889,7 +1888,7 @@ static int pcs_probe(struct platform_device *pdev) if (ret < 0) goto free; - ret = pinctrl_register_and_init(&pcs->desc, pcs->dev, pcs, &pcs->pctl); + ret = devm_pinctrl_register_and_init(pcs->dev, &pcs->desc, pcs, &pcs->pctl); if (ret) { dev_err(pcs->dev, "could not register single pinctrl driver\n"); goto free; @@ -1922,8 +1921,10 @@ static int pcs_probe(struct platform_device *pdev) dev_info(pcs->dev, "%i pins, size %u\n", pcs->desc.npins, pcs->size); - return pinctrl_enable(pcs->pctl); + if (pinctrl_enable(pcs->pctl)) + goto free; + return 0; free: pcs_free_resources(pcs); From 73303a4a8fd7f7661372a1cbd4d7c40436c62f2d Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Uwe=20Kleine-K=C3=B6nig?= Date: Mon, 9 Oct 2023 10:38:39 +0200 Subject: [PATCH 109/702] pinctrl: ti: ti-iodelay: Drop if block with always false condition MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit [ Upstream commit 88b3f108502bc45e6ebd005702add46759f3f45a ] ti_iodelay_remove() is only called after ti_iodelay_probe() completed successfully. In this case platform_set_drvdata() was called with a non-NULL argument and so platform_get_drvdata() won't return NULL. Simplify by removing the if block with the always false condition. Signed-off-by: Uwe Kleine-König Link: https://lore.kernel.org/r/20231009083856.222030-4-u.kleine-koenig@pengutronix.de Signed-off-by: Linus Walleij Stable-dep-of: 9b401f4a7170 ("pinctrl: ti: ti-iodelay: fix possible memory leak when pinctrl_enable() fails") Signed-off-by: Sasha Levin --- drivers/pinctrl/ti/pinctrl-ti-iodelay.c | 3 --- 1 file changed, 3 deletions(-) diff --git a/drivers/pinctrl/ti/pinctrl-ti-iodelay.c b/drivers/pinctrl/ti/pinctrl-ti-iodelay.c index cfb924228d87..60d94c1fc6a6 100644 --- a/drivers/pinctrl/ti/pinctrl-ti-iodelay.c +++ b/drivers/pinctrl/ti/pinctrl-ti-iodelay.c @@ -906,9 +906,6 @@ static int ti_iodelay_remove(struct platform_device *pdev) { struct ti_iodelay_device *iod = platform_get_drvdata(pdev); - if (!iod) - return 0; - if (iod->pctl) pinctrl_unregister(iod->pctl); From d2de7746e5e95ecd862f129f21d237bdce9fb27a Mon Sep 17 00:00:00 2001 From: Yang Yingliang Date: Thu, 6 Jun 2024 10:37:04 +0800 Subject: [PATCH 110/702] pinctrl: ti: ti-iodelay: fix possible memory leak when pinctrl_enable() fails [ Upstream commit 9b401f4a7170125365160c9af267a41ff6b39001 ] This driver calls pinctrl_register_and_init() which is not devm_ managed, it will leads memory leak if pinctrl_enable() fails. Replace it with devm_pinctrl_register_and_init(). And add missing of_node_put() in the error path. Fixes: 5038a66dad01 ("pinctrl: core: delete incorrect free in pinctrl_enable()") Signed-off-by: Yang Yingliang Reviewed-by: Dan Carpenter Link: https://lore.kernel.org/r/20240606023704.3931561-4-yangyingliang@huawei.com Signed-off-by: Linus Walleij Signed-off-by: Sasha Levin --- drivers/pinctrl/ti/pinctrl-ti-iodelay.c | 11 ++++++----- 1 file changed, 6 insertions(+), 5 deletions(-) diff --git a/drivers/pinctrl/ti/pinctrl-ti-iodelay.c b/drivers/pinctrl/ti/pinctrl-ti-iodelay.c index 60d94c1fc6a6..6e1b067fb72e 100644 --- a/drivers/pinctrl/ti/pinctrl-ti-iodelay.c +++ b/drivers/pinctrl/ti/pinctrl-ti-iodelay.c @@ -881,7 +881,7 @@ static int ti_iodelay_probe(struct platform_device *pdev) iod->desc.name = dev_name(dev); iod->desc.owner = THIS_MODULE; - ret = pinctrl_register_and_init(&iod->desc, dev, iod, &iod->pctl); + ret = devm_pinctrl_register_and_init(dev, &iod->desc, iod, &iod->pctl); if (ret) { dev_err(dev, "Failed to register pinctrl\n"); goto exit_out; @@ -889,7 +889,11 @@ static int ti_iodelay_probe(struct platform_device *pdev) platform_set_drvdata(pdev, iod); - return pinctrl_enable(iod->pctl); + ret = pinctrl_enable(iod->pctl); + if (ret) + goto exit_out; + + return 0; exit_out: of_node_put(np); @@ -906,9 +910,6 @@ static int ti_iodelay_remove(struct platform_device *pdev) { struct ti_iodelay_device *iod = platform_get_drvdata(pdev); - if (iod->pctl) - pinctrl_unregister(iod->pctl); - ti_iodelay_pinconf_deinit_dev(iod); /* Expect other allocations to be freed by devm */ From 21a15d52bc2249b917196a4de83c2a3c781d52a3 Mon Sep 17 00:00:00 2001 From: Peng Fan Date: Sat, 4 May 2024 21:20:16 +0800 Subject: [PATCH 111/702] pinctrl: freescale: mxs: Fix refcount of child [ Upstream commit 7f500f2011c0bbb6e1cacab74b4c99222e60248e ] of_get_next_child() will increase refcount of the returned node, need use of_node_put() on it when done. Per current implementation, 'child' will be override by for_each_child_of_node(np, child), so use of_get_child_count to avoid refcount leakage. Fixes: 17723111e64f ("pinctrl: add pinctrl-mxs support") Signed-off-by: Peng Fan Link: https://lore.kernel.org/20240504-pinctrl-cleanup-v2-18-26c5f2dc1181@nxp.com Signed-off-by: Linus Walleij Signed-off-by: Sasha Levin --- drivers/pinctrl/freescale/pinctrl-mxs.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/pinctrl/freescale/pinctrl-mxs.c b/drivers/pinctrl/freescale/pinctrl-mxs.c index 735cedd0958a..5b0fcf15f280 100644 --- a/drivers/pinctrl/freescale/pinctrl-mxs.c +++ b/drivers/pinctrl/freescale/pinctrl-mxs.c @@ -405,8 +405,8 @@ static int mxs_pinctrl_probe_dt(struct platform_device *pdev, int ret; u32 val; - child = of_get_next_child(np, NULL); - if (!child) { + val = of_get_child_count(np); + if (val == 0) { dev_err(&pdev->dev, "no group is defined\n"); return -ENOENT; } From 3c6fa67023bcf6cc84c7b948db824693dc96c745 Mon Sep 17 00:00:00 2001 From: David Hildenbrand Date: Fri, 7 Jun 2024 14:23:52 +0200 Subject: [PATCH 112/702] fs/proc/task_mmu: indicate PM_FILE for PMD-mapped file THP [ Upstream commit 3f9f022e975d930709848a86a1c79775b0585202 ] Patch series "fs/proc: move page_mapcount() to fs/proc/internal.h". With all other page_mapcount() users in the tree gone, move page_mapcount() to fs/proc/internal.h, rename it and extend the documentation to prevent future (ab)use. ... of course, I find some issues while working on that code that I sort first ;) We'll now only end up calling page_mapcount() [now folio_precise_page_mapcount()] on pages mapped via present page table entries. Except for /proc/kpagecount, that still does questionable things, but we'll leave that legacy interface as is for now. Did a quick sanity check. Likely we would want some better selfestest for /proc/$/pagemap + smaps. I'll see if I can find some time to write some more. This patch (of 6): Looks like we never taught pagemap_pmd_range() about the existence of PMD-mapped file THPs. Seems to date back to the times when we first added support for non-anon THPs in the form of shmem THP. Link: https://lkml.kernel.org/r/20240607122357.115423-1-david@redhat.com Link: https://lkml.kernel.org/r/20240607122357.115423-2-david@redhat.com Signed-off-by: David Hildenbrand Fixes: 800d8c63b2e9 ("shmem: add huge pages support") Acked-by: Kirill A. Shutemov Reviewed-by: Lance Yang Reviewed-by: Oscar Salvador Cc: David Hildenbrand Cc: Jonathan Corbet Cc: Alexey Dobriyan Signed-off-by: Andrew Morton Signed-off-by: Sasha Levin --- fs/proc/task_mmu.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/fs/proc/task_mmu.c b/fs/proc/task_mmu.c index 39b1038076c3..97023c0dca60 100644 --- a/fs/proc/task_mmu.c +++ b/fs/proc/task_mmu.c @@ -1468,6 +1468,8 @@ static int pagemap_pmd_range(pmd_t *pmdp, unsigned long addr, unsigned long end, } #endif + if (page && !PageAnon(page)) + flags |= PM_FILE; if (page && !migration && page_mapcount(page) == 1) flags |= PM_MMAP_EXCLUSIVE; From 9d6571b1c4b62dc0e03e7ca03e3dd88c1e786e88 Mon Sep 17 00:00:00 2001 From: Alex Shi Date: Tue, 15 Dec 2020 20:45:27 -0800 Subject: [PATCH 113/702] fs/nilfs2: remove some unused macros to tame gcc [ Upstream commit e7920b3e9d9f5470d5ff7d883e72a47addc0a137 ] There some macros are unused and cause gcc warning. Remove them. fs/nilfs2/segment.c:137:0: warning: macro "nilfs_cnt32_gt" is not used [-Wunused-macros] fs/nilfs2/segment.c:144:0: warning: macro "nilfs_cnt32_le" is not used [-Wunused-macros] fs/nilfs2/segment.c:143:0: warning: macro "nilfs_cnt32_lt" is not used [-Wunused-macros] Link: https://lkml.kernel.org/r/1607552733-24292-1-git-send-email-konishi.ryusuke@gmail.com Signed-off-by: Ryusuke Konishi Signed-off-by: Alex Shi Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds Stable-dep-of: 0f3819e8c483 ("nilfs2: avoid undefined behavior in nilfs_cnt32_ge macro") Signed-off-by: Sasha Levin --- fs/nilfs2/segment.c | 5 ----- 1 file changed, 5 deletions(-) diff --git a/fs/nilfs2/segment.c b/fs/nilfs2/segment.c index 02407c524382..1f7ae5f36bde 100644 --- a/fs/nilfs2/segment.c +++ b/fs/nilfs2/segment.c @@ -134,14 +134,9 @@ static void nilfs_segctor_do_flush(struct nilfs_sc_info *, int); static void nilfs_segctor_do_immediate_flush(struct nilfs_sc_info *); static void nilfs_dispose_list(struct the_nilfs *, struct list_head *, int); -#define nilfs_cnt32_gt(a, b) \ - (typecheck(__u32, a) && typecheck(__u32, b) && \ - ((__s32)(b) - (__s32)(a) < 0)) #define nilfs_cnt32_ge(a, b) \ (typecheck(__u32, a) && typecheck(__u32, b) && \ ((__s32)(a) - (__s32)(b) >= 0)) -#define nilfs_cnt32_lt(a, b) nilfs_cnt32_gt(b, a) -#define nilfs_cnt32_le(a, b) nilfs_cnt32_ge(b, a) static int nilfs_prepare_segment_lock(struct super_block *sb, struct nilfs_transaction_info *ti) From 84ffa27eb04ca312e3cc2f5399eb5ac492b58bfc Mon Sep 17 00:00:00 2001 From: Ryusuke Konishi Date: Wed, 3 Jul 2024 03:35:12 +0900 Subject: [PATCH 114/702] nilfs2: avoid undefined behavior in nilfs_cnt32_ge macro [ Upstream commit 0f3819e8c483771a59cf9d3190cd68a7a990083c ] According to the C standard 3.4.3p3, the result of signed integer overflow is undefined. The macro nilfs_cnt32_ge(), which compares two sequence numbers, uses signed integer subtraction that can overflow, and therefore the result of the calculation may differ from what is expected due to undefined behavior in different environments. Similar to an earlier change to the jiffies-related comparison macros in commit 5a581b367b5d ("jiffies: Avoid undefined behavior from signed overflow"), avoid this potential issue by changing the definition of the macro to perform the subtraction as unsigned integers, then cast the result to a signed integer for comparison. Link: https://lkml.kernel.org/r/20130727225828.GA11864@linux.vnet.ibm.com Link: https://lkml.kernel.org/r/20240702183512.6390-1-konishi.ryusuke@gmail.com Fixes: 9ff05123e3bf ("nilfs2: segment constructor") Signed-off-by: Ryusuke Konishi Signed-off-by: Andrew Morton Signed-off-by: Sasha Levin --- fs/nilfs2/segment.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/fs/nilfs2/segment.c b/fs/nilfs2/segment.c index 1f7ae5f36bde..d9f92df15a84 100644 --- a/fs/nilfs2/segment.c +++ b/fs/nilfs2/segment.c @@ -136,7 +136,7 @@ static void nilfs_dispose_list(struct the_nilfs *, struct list_head *, int); #define nilfs_cnt32_ge(a, b) \ (typecheck(__u32, a) && typecheck(__u32, b) && \ - ((__s32)(a) - (__s32)(b) >= 0)) + ((__s32)((a) - (b)) >= 0)) static int nilfs_prepare_segment_lock(struct super_block *sb, struct nilfs_transaction_info *ti) From 14083dc69ba6eaf376e581ce773d218abfbae76d Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Cs=C3=B3k=C3=A1s=2C=20Bence?= Date: Wed, 19 Jun 2024 16:04:52 +0200 Subject: [PATCH 115/702] rtc: interface: Add RTC offset to alarm after fix-up MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit [ Upstream commit 463927a8902a9f22c3633960119410f57d4c8920 ] `rtc_add_offset()` is called by `__rtc_read_time()` and `__rtc_read_alarm()` to add the RTC's offset to the raw read-outs from the device drivers. However, in the latter case, a fix-up algorithm is run if the RTC device does not report a full `struct rtc_time` alarm value. In that case, the offset was forgot to be added. Fixes: fd6792bb022e ("rtc: fix alarm read and set offset") Signed-off-by: Csókás, Bence Link: https://lore.kernel.org/r/20240619140451.2800578-1-csokas.bence@prolan.hu Signed-off-by: Alexandre Belloni Signed-off-by: Sasha Levin --- drivers/rtc/interface.c | 9 +++++---- 1 file changed, 5 insertions(+), 4 deletions(-) diff --git a/drivers/rtc/interface.c b/drivers/rtc/interface.c index 146056858135..154ea5ae2c0c 100644 --- a/drivers/rtc/interface.c +++ b/drivers/rtc/interface.c @@ -274,10 +274,9 @@ int __rtc_read_alarm(struct rtc_device *rtc, struct rtc_wkalrm *alarm) return err; /* full-function RTCs won't have such missing fields */ - if (rtc_valid_tm(&alarm->time) == 0) { - rtc_add_offset(rtc, &alarm->time); - return 0; - } + err = rtc_valid_tm(&alarm->time); + if (!err) + goto done; /* get the "after" timestamp, to detect wrapped fields */ err = rtc_read_time(rtc, &now); @@ -379,6 +378,8 @@ int __rtc_read_alarm(struct rtc_device *rtc, struct rtc_wkalrm *alarm) if (err) dev_warn(&rtc->dev, "invalid alarm value: %ptR\n", &alarm->time); + else + rtc_add_offset(rtc, &alarm->time); return err; } From f2c2c4cc5af7525ac3fdd723fd284533f7b3f073 Mon Sep 17 00:00:00 2001 From: Krzysztof Kozlowski Date: Tue, 2 Jul 2024 16:52:48 +0200 Subject: [PATCH 116/702] dt-bindings: thermal: correct thermal zone node name limit commit 97e32381d0fc6c2602a767b0c46e15eb2b75971d upstream. Linux kernel uses thermal zone node name during registering thermal zones and has a hard-coded limit of 20 characters, including terminating NUL byte. The bindings expect node names to finish with '-thermal' which is eight bytes long, thus we have only 11 characters for the reset of the node name (thus 10 for the pattern after leading fixed character). Reported-by: Rob Herring Closes: https://lore.kernel.org/all/CAL_JsqKogbT_4DPd1n94xqeHaU_J8ve5K09WOyVsRX3jxxUW3w@mail.gmail.com/ Fixes: 1202a442a31f ("dt-bindings: thermal: Add yaml bindings for thermal zones") Cc: stable@vger.kernel.org Signed-off-by: Krzysztof Kozlowski Link: https://lore.kernel.org/r/20240702145248.47184-1-krzysztof.kozlowski@linaro.org Signed-off-by: Daniel Lezcano Signed-off-by: Greg Kroah-Hartman --- Documentation/devicetree/bindings/thermal/thermal-zones.yaml | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-) diff --git a/Documentation/devicetree/bindings/thermal/thermal-zones.yaml b/Documentation/devicetree/bindings/thermal/thermal-zones.yaml index 1b3954aa71c1..af946e3da82a 100644 --- a/Documentation/devicetree/bindings/thermal/thermal-zones.yaml +++ b/Documentation/devicetree/bindings/thermal/thermal-zones.yaml @@ -49,7 +49,10 @@ properties: to take when the temperature crosses those thresholds. patternProperties: - "^[a-zA-Z][a-zA-Z0-9\\-]{1,12}-thermal$": + # Node name is limited in size due to Linux kernel requirements - 19 + # characters in total (see THERMAL_NAME_LENGTH, including terminating NUL + # byte): + "^[a-zA-Z][a-zA-Z0-9\\-]{1,10}-thermal$": type: object description: Each thermal zone node contains information about how frequently it From 9ef7190228145f959d9bc0ddca40ecf76bb413b0 Mon Sep 17 00:00:00 2001 From: Yu Liao Date: Thu, 11 Jul 2024 20:48:43 +0800 Subject: [PATCH 117/702] tick/broadcast: Make takeover of broadcast hrtimer reliable commit f7d43dd206e7e18c182f200e67a8db8c209907fa upstream. Running the LTP hotplug stress test on a aarch64 machine results in rcu_sched stall warnings when the broadcast hrtimer was owned by the un-plugged CPU. The issue is the following: CPU1 (owns the broadcast hrtimer) CPU2 tick_broadcast_enter() // shutdown local timer device broadcast_shutdown_local() ... tick_broadcast_exit() clockevents_switch_state(dev, CLOCK_EVT_STATE_ONESHOT) // timer device is not programmed cpumask_set_cpu(cpu, tick_broadcast_force_mask) initiates offlining of CPU1 take_cpu_down() /* * CPU1 shuts down and does not * send broadcast IPI anymore */ takedown_cpu() hotplug_cpu__broadcast_tick_pull() // move broadcast hrtimer to this CPU clockevents_program_event() bc_set_next() hrtimer_start() /* * timer device is not programmed * because only the first expiring * timer will trigger clockevent * device reprogramming */ What happens is that CPU2 exits broadcast mode with force bit set, then the local timer device is not reprogrammed and CPU2 expects to receive the expired event by the broadcast IPI. But this does not happen because CPU1 is offlined by CPU2. CPU switches the clockevent device to ONESHOT state, but does not reprogram the device. The subsequent reprogramming of the hrtimer broadcast device does not program the clockevent device of CPU2 either because the pending expiry time is already in the past and the CPU expects the event to be delivered. As a consequence all CPUs which wait for a broadcast event to be delivered are stuck forever. Fix this issue by reprogramming the local timer device if the broadcast force bit of the CPU is set so that the broadcast hrtimer is delivered. [ tglx: Massage comment and change log. Add Fixes tag ] Fixes: 989dcb645ca7 ("tick: Handle broadcast wakeup of multiple cpus") Signed-off-by: Yu Liao Signed-off-by: Thomas Gleixner Cc: stable@vger.kernel.org Link: https://lore.kernel.org/r/20240711124843.64167-1-liaoyu15@huawei.com Signed-off-by: Greg Kroah-Hartman --- kernel/time/tick-broadcast.c | 23 +++++++++++++++++++++++ 1 file changed, 23 insertions(+) diff --git a/kernel/time/tick-broadcast.c b/kernel/time/tick-broadcast.c index a9530e866e5f..792ef33ba487 100644 --- a/kernel/time/tick-broadcast.c +++ b/kernel/time/tick-broadcast.c @@ -944,6 +944,7 @@ void tick_broadcast_switch_to_oneshot(void) #ifdef CONFIG_HOTPLUG_CPU void hotplug_cpu__broadcast_tick_pull(int deadcpu) { + struct tick_device *td = this_cpu_ptr(&tick_cpu_device); struct clock_event_device *bc; unsigned long flags; @@ -951,6 +952,28 @@ void hotplug_cpu__broadcast_tick_pull(int deadcpu) bc = tick_broadcast_device.evtdev; if (bc && broadcast_needs_cpu(bc, deadcpu)) { + /* + * If the broadcast force bit of the current CPU is set, + * then the current CPU has not yet reprogrammed the local + * timer device to avoid a ping-pong race. See + * ___tick_broadcast_oneshot_control(). + * + * If the broadcast device is hrtimer based then + * programming the broadcast event below does not have any + * effect because the local clockevent device is not + * running and not programmed because the broadcast event + * is not earlier than the pending event of the local clock + * event device. As a consequence all CPUs waiting for a + * broadcast event are stuck forever. + * + * Detect this condition and reprogram the cpu local timer + * device to avoid the starvation. + */ + if (tick_check_broadcast_expired()) { + cpumask_clear_cpu(smp_processor_id(), tick_broadcast_force_mask); + tick_program_event(td->evtdev->next_event, 1); + } + /* This moves the broadcast assignment to this CPU: */ clockevents_program_event(bc, bc->next_event, 1); } From 7e36a3c701b486d47d163f2ed8142223006e42f5 Mon Sep 17 00:00:00 2001 From: Breno Leitao Date: Fri, 12 Jul 2024 07:34:15 -0700 Subject: [PATCH 118/702] net: netconsole: Disable target before netpoll cleanup commit 97d9fba9a812cada5484667a46e14a4c976ca330 upstream. Currently, netconsole cleans up the netpoll structure before disabling the target. This approach can lead to race conditions, as message senders (write_ext_msg() and write_msg()) check if the target is enabled before using netpoll. The sender can validate that the target is enabled, but, the netpoll might be de-allocated already, causing undesired behaviours. This patch reverses the order of operations: 1. Disable the target 2. Clean up the netpoll structure This change eliminates the potential race condition, ensuring that no messages are sent through a partially cleaned-up netpoll structure. Fixes: 2382b15bcc39 ("netconsole: take care of NETDEV_UNREGISTER event") Cc: stable@vger.kernel.org Signed-off-by: Breno Leitao Reviewed-by: Eric Dumazet Link: https://patch.msgid.link/20240712143415.1141039-1-leitao@debian.org Signed-off-by: Jakub Kicinski Signed-off-by: Greg Kroah-Hartman --- drivers/net/netconsole.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/net/netconsole.c b/drivers/net/netconsole.c index 92001f7af380..924370e53003 100644 --- a/drivers/net/netconsole.c +++ b/drivers/net/netconsole.c @@ -715,6 +715,7 @@ static int netconsole_netdev_event(struct notifier_block *this, /* rtnl_lock already held * we might sleep in __netpoll_cleanup() */ + nt->enabled = false; spin_unlock_irqrestore(&target_list_lock, flags); __netpoll_cleanup(&nt->np); @@ -722,7 +723,6 @@ static int netconsole_netdev_event(struct notifier_block *this, spin_lock_irqsave(&target_list_lock, flags); dev_put(nt->np.dev); nt->np.dev = NULL; - nt->enabled = false; stopped = true; netconsole_target_put(nt); goto restart; From 83e2dfadcb6258fe3111c8a8ec9cf34465e55e64 Mon Sep 17 00:00:00 2001 From: Chengen Du Date: Sat, 13 Jul 2024 19:47:35 +0800 Subject: [PATCH 119/702] af_packet: Handle outgoing VLAN packets without hardware offloading commit 79eecf631c14e7f4057186570ac20e2cfac3802e upstream. The issue initially stems from libpcap. The ethertype will be overwritten as the VLAN TPID if the network interface lacks hardware VLAN offloading. In the outbound packet path, if hardware VLAN offloading is unavailable, the VLAN tag is inserted into the payload but then cleared from the sk_buff struct. Consequently, this can lead to a false negative when checking for the presence of a VLAN tag, causing the packet sniffing outcome to lack VLAN tag information (i.e., TCI-TPID). As a result, the packet capturing tool may be unable to parse packets as expected. The TCI-TPID is missing because the prb_fill_vlan_info() function does not modify the tp_vlan_tci/tp_vlan_tpid values, as the information is in the payload and not in the sk_buff struct. The skb_vlan_tag_present() function only checks vlan_all in the sk_buff struct. In cooked mode, the L2 header is stripped, preventing the packet capturing tool from determining the correct TCI-TPID value. Additionally, the protocol in SLL is incorrect, which means the packet capturing tool cannot parse the L3 header correctly. Link: https://github.com/the-tcpdump-group/libpcap/issues/1105 Link: https://lore.kernel.org/netdev/20240520070348.26725-1-chengen.du@canonical.com/T/#u Fixes: 393e52e33c6c ("packet: deliver VLAN TCI to userspace") Cc: stable@vger.kernel.org Signed-off-by: Chengen Du Reviewed-by: Willem de Bruijn Link: https://patch.msgid.link/20240713114735.62360-1-chengen.du@canonical.com Signed-off-by: Jakub Kicinski Signed-off-by: Greg Kroah-Hartman --- net/packet/af_packet.c | 86 +++++++++++++++++++++++++++++++++++++++++- 1 file changed, 84 insertions(+), 2 deletions(-) diff --git a/net/packet/af_packet.c b/net/packet/af_packet.c index 9bec88fe3505..ce3e20bcde4a 100644 --- a/net/packet/af_packet.c +++ b/net/packet/af_packet.c @@ -503,6 +503,61 @@ static void *packet_current_frame(struct packet_sock *po, return packet_lookup_frame(po, rb, rb->head, status); } +static u16 vlan_get_tci(struct sk_buff *skb, struct net_device *dev) +{ + u8 *skb_orig_data = skb->data; + int skb_orig_len = skb->len; + struct vlan_hdr vhdr, *vh; + unsigned int header_len; + + if (!dev) + return 0; + + /* In the SOCK_DGRAM scenario, skb data starts at the network + * protocol, which is after the VLAN headers. The outer VLAN + * header is at the hard_header_len offset in non-variable + * length link layer headers. If it's a VLAN device, the + * min_header_len should be used to exclude the VLAN header + * size. + */ + if (dev->min_header_len == dev->hard_header_len) + header_len = dev->hard_header_len; + else if (is_vlan_dev(dev)) + header_len = dev->min_header_len; + else + return 0; + + skb_push(skb, skb->data - skb_mac_header(skb)); + vh = skb_header_pointer(skb, header_len, sizeof(vhdr), &vhdr); + if (skb_orig_data != skb->data) { + skb->data = skb_orig_data; + skb->len = skb_orig_len; + } + if (unlikely(!vh)) + return 0; + + return ntohs(vh->h_vlan_TCI); +} + +static __be16 vlan_get_protocol_dgram(struct sk_buff *skb) +{ + __be16 proto = skb->protocol; + + if (unlikely(eth_type_vlan(proto))) { + u8 *skb_orig_data = skb->data; + int skb_orig_len = skb->len; + + skb_push(skb, skb->data - skb_mac_header(skb)); + proto = __vlan_get_protocol(skb, proto, NULL); + if (skb_orig_data != skb->data) { + skb->data = skb_orig_data; + skb->len = skb_orig_len; + } + } + + return proto; +} + static void prb_del_retire_blk_timer(struct tpacket_kbdq_core *pkc) { del_timer_sync(&pkc->retire_blk_timer); @@ -972,10 +1027,16 @@ static void prb_clear_rxhash(struct tpacket_kbdq_core *pkc, static void prb_fill_vlan_info(struct tpacket_kbdq_core *pkc, struct tpacket3_hdr *ppd) { + struct packet_sock *po = container_of(pkc, struct packet_sock, rx_ring.prb_bdqc); + if (skb_vlan_tag_present(pkc->skb)) { ppd->hv1.tp_vlan_tci = skb_vlan_tag_get(pkc->skb); ppd->hv1.tp_vlan_tpid = ntohs(pkc->skb->vlan_proto); ppd->tp_status = TP_STATUS_VLAN_VALID | TP_STATUS_VLAN_TPID_VALID; + } else if (unlikely(po->sk.sk_type == SOCK_DGRAM && eth_type_vlan(pkc->skb->protocol))) { + ppd->hv1.tp_vlan_tci = vlan_get_tci(pkc->skb, pkc->skb->dev); + ppd->hv1.tp_vlan_tpid = ntohs(pkc->skb->protocol); + ppd->tp_status = TP_STATUS_VLAN_VALID | TP_STATUS_VLAN_TPID_VALID; } else { ppd->hv1.tp_vlan_tci = 0; ppd->hv1.tp_vlan_tpid = 0; @@ -2390,6 +2451,10 @@ static int tpacket_rcv(struct sk_buff *skb, struct net_device *dev, h.h2->tp_vlan_tci = skb_vlan_tag_get(skb); h.h2->tp_vlan_tpid = ntohs(skb->vlan_proto); status |= TP_STATUS_VLAN_VALID | TP_STATUS_VLAN_TPID_VALID; + } else if (unlikely(sk->sk_type == SOCK_DGRAM && eth_type_vlan(skb->protocol))) { + h.h2->tp_vlan_tci = vlan_get_tci(skb, skb->dev); + h.h2->tp_vlan_tpid = ntohs(skb->protocol); + status |= TP_STATUS_VLAN_VALID | TP_STATUS_VLAN_TPID_VALID; } else { h.h2->tp_vlan_tci = 0; h.h2->tp_vlan_tpid = 0; @@ -2419,7 +2484,8 @@ static int tpacket_rcv(struct sk_buff *skb, struct net_device *dev, sll->sll_halen = dev_parse_header(skb, sll->sll_addr); sll->sll_family = AF_PACKET; sll->sll_hatype = dev->type; - sll->sll_protocol = skb->protocol; + sll->sll_protocol = (sk->sk_type == SOCK_DGRAM) ? + vlan_get_protocol_dgram(skb) : skb->protocol; sll->sll_pkttype = skb->pkt_type; if (unlikely(packet_sock_flag(po, PACKET_SOCK_ORIGDEV))) sll->sll_ifindex = orig_dev->ifindex; @@ -3451,7 +3517,8 @@ static int packet_recvmsg(struct socket *sock, struct msghdr *msg, size_t len, /* Original length was stored in sockaddr_ll fields */ origlen = PACKET_SKB_CB(skb)->sa.origlen; sll->sll_family = AF_PACKET; - sll->sll_protocol = skb->protocol; + sll->sll_protocol = (sock->type == SOCK_DGRAM) ? + vlan_get_protocol_dgram(skb) : skb->protocol; } sock_recv_ts_and_drops(msg, sk, skb); @@ -3506,6 +3573,21 @@ static int packet_recvmsg(struct socket *sock, struct msghdr *msg, size_t len, aux.tp_vlan_tci = skb_vlan_tag_get(skb); aux.tp_vlan_tpid = ntohs(skb->vlan_proto); aux.tp_status |= TP_STATUS_VLAN_VALID | TP_STATUS_VLAN_TPID_VALID; + } else if (unlikely(sock->type == SOCK_DGRAM && eth_type_vlan(skb->protocol))) { + struct sockaddr_ll *sll = &PACKET_SKB_CB(skb)->sa.ll; + struct net_device *dev; + + rcu_read_lock(); + dev = dev_get_by_index_rcu(sock_net(sk), sll->sll_ifindex); + if (dev) { + aux.tp_vlan_tci = vlan_get_tci(skb, dev); + aux.tp_vlan_tpid = ntohs(skb->protocol); + aux.tp_status |= TP_STATUS_VLAN_VALID | TP_STATUS_VLAN_TPID_VALID; + } else { + aux.tp_vlan_tci = 0; + aux.tp_vlan_tpid = 0; + } + rcu_read_unlock(); } else { aux.tp_vlan_tci = 0; aux.tp_vlan_tpid = 0; From 5c5b02d48946084bbb3cc5d8c7ac64eba9d01362 Mon Sep 17 00:00:00 2001 From: Nicolas Dichtel Date: Wed, 10 Jul 2024 10:14:29 +0200 Subject: [PATCH 120/702] ipv6: take care of scope when choosing the src addr commit abb9a68d2c64dd9b128ae1f2e635e4d805e7ce64 upstream. When the source address is selected, the scope must be checked. For example, if a loopback address is assigned to the vrf device, it must not be chosen for packets sent outside. CC: stable@vger.kernel.org Fixes: afbac6010aec ("net: ipv6: Address selection needs to consider L3 domains") Signed-off-by: Nicolas Dichtel Reviewed-by: David Ahern Link: https://patch.msgid.link/20240710081521.3809742-4-nicolas.dichtel@6wind.com Signed-off-by: Jakub Kicinski Signed-off-by: Greg Kroah-Hartman --- net/ipv6/addrconf.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/net/ipv6/addrconf.c b/net/ipv6/addrconf.c index ac09d4543f3e..455bb4668407 100644 --- a/net/ipv6/addrconf.c +++ b/net/ipv6/addrconf.c @@ -1822,7 +1822,8 @@ int ipv6_dev_get_saddr(struct net *net, const struct net_device *dst_dev, master, &dst, scores, hiscore_idx); - if (scores[hiscore_idx].ifa) + if (scores[hiscore_idx].ifa && + scores[hiscore_idx].scopedist >= 0) goto out; } From cf0c713c6946413b712c2311c6666d11a73ae4c2 Mon Sep 17 00:00:00 2001 From: Tejun Heo Date: Tue, 25 Jun 2024 15:29:58 -1000 Subject: [PATCH 121/702] sched/fair: set_load_weight() must also call reweight_task() for SCHED_IDLE tasks commit d329605287020c3d1c3b0dadc63d8208e7251382 upstream. When a task's weight is being changed, set_load_weight() is called with @update_load set. As weight changes aren't trivial for the fair class, set_load_weight() calls fair.c::reweight_task() for fair class tasks. However, set_load_weight() first tests task_has_idle_policy() on entry and skips calling reweight_task() for SCHED_IDLE tasks. This is buggy as SCHED_IDLE tasks are just fair tasks with a very low weight and they would incorrectly skip load, vlag and position updates. Fix it by updating reweight_task() to take struct load_weight as idle weight can't be expressed with prio and making set_load_weight() call reweight_task() for SCHED_IDLE tasks too when @update_load is set. Fixes: 9059393e4ec1 ("sched/fair: Use reweight_entity() for set_user_nice()") Suggested-by: Peter Zijlstra (Intel) Signed-off-by: Tejun Heo Signed-off-by: Peter Zijlstra (Intel) Cc: stable@vger.kernel.org # v4.15+ Link: http://lkml.kernel.org/r/20240624102331.GI31592@noisy.programming.kicks-ass.net Signed-off-by: Greg Kroah-Hartman --- kernel/sched/core.c | 23 ++++++++++------------- kernel/sched/fair.c | 7 +++---- kernel/sched/sched.h | 2 +- 3 files changed, 14 insertions(+), 18 deletions(-) diff --git a/kernel/sched/core.c b/kernel/sched/core.c index 40f40f359c5d..29d8fc3a7bbd 100644 --- a/kernel/sched/core.c +++ b/kernel/sched/core.c @@ -848,27 +848,24 @@ static void set_load_weight(struct task_struct *p) { bool update_load = !(READ_ONCE(p->state) & TASK_NEW); int prio = p->static_prio - MAX_RT_PRIO; - struct load_weight *load = &p->se.load; + struct load_weight lw; - /* - * SCHED_IDLE tasks get minimal weight: - */ if (task_has_idle_policy(p)) { - load->weight = scale_load(WEIGHT_IDLEPRIO); - load->inv_weight = WMULT_IDLEPRIO; - return; + lw.weight = scale_load(WEIGHT_IDLEPRIO); + lw.inv_weight = WMULT_IDLEPRIO; + } else { + lw.weight = scale_load(sched_prio_to_weight[prio]); + lw.inv_weight = sched_prio_to_wmult[prio]; } /* * SCHED_OTHER tasks have to update their load when changing their * weight */ - if (update_load && p->sched_class == &fair_sched_class) { - reweight_task(p, prio); - } else { - load->weight = scale_load(sched_prio_to_weight[prio]); - load->inv_weight = sched_prio_to_wmult[prio]; - } + if (update_load && p->sched_class == &fair_sched_class) + reweight_task(p, &lw); + else + p->se.load = lw; } #ifdef CONFIG_UCLAMP_TASK diff --git a/kernel/sched/fair.c b/kernel/sched/fair.c index 73a89fbd81be..376f5c6a933d 100644 --- a/kernel/sched/fair.c +++ b/kernel/sched/fair.c @@ -3119,15 +3119,14 @@ static void reweight_entity(struct cfs_rq *cfs_rq, struct sched_entity *se, } -void reweight_task(struct task_struct *p, int prio) +void reweight_task(struct task_struct *p, const struct load_weight *lw) { struct sched_entity *se = &p->se; struct cfs_rq *cfs_rq = cfs_rq_of(se); struct load_weight *load = &se->load; - unsigned long weight = scale_load(sched_prio_to_weight[prio]); - reweight_entity(cfs_rq, se, weight); - load->inv_weight = sched_prio_to_wmult[prio]; + reweight_entity(cfs_rq, se, lw->weight); + load->inv_weight = lw->inv_weight; } #ifdef CONFIG_FAIR_GROUP_SCHED diff --git a/kernel/sched/sched.h b/kernel/sched/sched.h index 8de07aba8bdd..df6cf8aa59f8 100644 --- a/kernel/sched/sched.h +++ b/kernel/sched/sched.h @@ -1938,7 +1938,7 @@ extern void init_sched_dl_class(void); extern void init_sched_rt_class(void); extern void init_sched_fair_class(void); -extern void reweight_task(struct task_struct *p, int prio); +extern void reweight_task(struct task_struct *p, const struct load_weight *lw); extern void resched_curr(struct rq *rq); extern void resched_cpu(int cpu); From e65cccfae729e1abc265ed689d49692897b787de Mon Sep 17 00:00:00 2001 From: Joe Hattori Date: Thu, 27 Jun 2024 15:31:09 +0900 Subject: [PATCH 122/702] char: tpm: Fix possible memory leak in tpm_bios_measurements_open() commit 5d8e2971e817bb64225fc0b6327a78752f58a9aa upstream. In tpm_bios_measurements_open(), get_device() is called on the device embedded in struct tpm_chip. In the error path, however, put_device() is not called. This results in a reference count leak, which prevents the device from being properly released. This commit makes sure to call put_device() when the seq_open() call fails. Cc: stable@vger.kernel.org # +v4.18 Fixes: 9b01b5356629 ("tpm: Move shared eventlog functions to common.c") Signed-off-by: Joe Hattori Signed-off-by: Jarkko Sakkinen Signed-off-by: Greg Kroah-Hartman --- drivers/char/tpm/eventlog/common.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/drivers/char/tpm/eventlog/common.c b/drivers/char/tpm/eventlog/common.c index 8512ec76d526..4a6186f9f889 100644 --- a/drivers/char/tpm/eventlog/common.c +++ b/drivers/char/tpm/eventlog/common.c @@ -47,6 +47,8 @@ static int tpm_bios_measurements_open(struct inode *inode, if (!err) { seq = file->private_data; seq->private = chip; + } else { + put_device(&chip->dev); } return err; From 4c9d235630d35db762b85a4149bbb0be9d504c36 Mon Sep 17 00:00:00 2001 From: Dikshita Agarwal Date: Thu, 9 May 2024 10:44:29 +0530 Subject: [PATCH 123/702] media: venus: fix use after free in vdec_close commit a0157b5aa34eb43ec4c5510f9c260bbb03be937e upstream. There appears to be a possible use after free with vdec_close(). The firmware will add buffer release work to the work queue through HFI callbacks as a normal part of decoding. Randomly closing the decoder device from userspace during normal decoding can incur a read after free for inst. Fix it by cancelling the work in vdec_close. Cc: stable@vger.kernel.org Fixes: af2c3834c8ca ("[media] media: venus: adding core part and helper functions") Signed-off-by: Dikshita Agarwal Acked-by: Vikash Garodia Signed-off-by: Stanimir Varbanov Signed-off-by: Hans Verkuil Signed-off-by: Greg Kroah-Hartman --- drivers/media/platform/qcom/venus/vdec.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/media/platform/qcom/venus/vdec.c b/drivers/media/platform/qcom/venus/vdec.c index b6edfa812bb7..d91030a134c0 100644 --- a/drivers/media/platform/qcom/venus/vdec.c +++ b/drivers/media/platform/qcom/venus/vdec.c @@ -1587,6 +1587,7 @@ static int vdec_close(struct file *file) vdec_pm_get(inst); + cancel_work_sync(&inst->delayed_process_work); v4l2_m2m_ctx_release(inst->m2m_ctx); v4l2_m2m_release(inst->m2m_dev); vdec_ctrl_deinit(inst); From 10f7163bfb5f8b4e0c9c05a939f20b8540e33c65 Mon Sep 17 00:00:00 2001 From: Chao Yu Date: Sun, 16 Jun 2024 09:38:41 +0800 Subject: [PATCH 124/702] hfs: fix to initialize fields of hfs_inode_info after hfs_alloc_inode() commit 26a2ed107929a855155429b11e1293b83e6b2a8b upstream. Syzbot reports uninitialized value access issue as below: loop0: detected capacity change from 0 to 64 ===================================================== BUG: KMSAN: uninit-value in hfs_revalidate_dentry+0x307/0x3f0 fs/hfs/sysdep.c:30 hfs_revalidate_dentry+0x307/0x3f0 fs/hfs/sysdep.c:30 d_revalidate fs/namei.c:862 [inline] lookup_fast+0x89e/0x8e0 fs/namei.c:1649 walk_component fs/namei.c:2001 [inline] link_path_walk+0x817/0x1480 fs/namei.c:2332 path_lookupat+0xd9/0x6f0 fs/namei.c:2485 filename_lookup+0x22e/0x740 fs/namei.c:2515 user_path_at_empty+0x8b/0x390 fs/namei.c:2924 user_path_at include/linux/namei.h:57 [inline] do_mount fs/namespace.c:3689 [inline] __do_sys_mount fs/namespace.c:3898 [inline] __se_sys_mount+0x66b/0x810 fs/namespace.c:3875 __x64_sys_mount+0xe4/0x140 fs/namespace.c:3875 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xcf/0x1e0 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x63/0x6b BUG: KMSAN: uninit-value in hfs_ext_read_extent fs/hfs/extent.c:196 [inline] BUG: KMSAN: uninit-value in hfs_get_block+0x92d/0x1620 fs/hfs/extent.c:366 hfs_ext_read_extent fs/hfs/extent.c:196 [inline] hfs_get_block+0x92d/0x1620 fs/hfs/extent.c:366 block_read_full_folio+0x4ff/0x11b0 fs/buffer.c:2271 hfs_read_folio+0x55/0x60 fs/hfs/inode.c:39 filemap_read_folio+0x148/0x4f0 mm/filemap.c:2426 do_read_cache_folio+0x7c8/0xd90 mm/filemap.c:3553 do_read_cache_page mm/filemap.c:3595 [inline] read_cache_page+0xfb/0x2f0 mm/filemap.c:3604 read_mapping_page include/linux/pagemap.h:755 [inline] hfs_btree_open+0x928/0x1ae0 fs/hfs/btree.c:78 hfs_mdb_get+0x260c/0x3000 fs/hfs/mdb.c:204 hfs_fill_super+0x1fb1/0x2790 fs/hfs/super.c:406 mount_bdev+0x628/0x920 fs/super.c:1359 hfs_mount+0xcd/0xe0 fs/hfs/super.c:456 legacy_get_tree+0x167/0x2e0 fs/fs_context.c:610 vfs_get_tree+0xdc/0x5d0 fs/super.c:1489 do_new_mount+0x7a9/0x16f0 fs/namespace.c:3145 path_mount+0xf98/0x26a0 fs/namespace.c:3475 do_mount fs/namespace.c:3488 [inline] __do_sys_mount fs/namespace.c:3697 [inline] __se_sys_mount+0x919/0x9e0 fs/namespace.c:3674 __ia32_sys_mount+0x15b/0x1b0 fs/namespace.c:3674 do_syscall_32_irqs_on arch/x86/entry/common.c:112 [inline] __do_fast_syscall_32+0xa2/0x100 arch/x86/entry/common.c:178 do_fast_syscall_32+0x37/0x80 arch/x86/entry/common.c:203 do_SYSENTER_32+0x1f/0x30 arch/x86/entry/common.c:246 entry_SYSENTER_compat_after_hwframe+0x70/0x82 Uninit was created at: __alloc_pages+0x9a6/0xe00 mm/page_alloc.c:4590 __alloc_pages_node include/linux/gfp.h:238 [inline] alloc_pages_node include/linux/gfp.h:261 [inline] alloc_slab_page mm/slub.c:2190 [inline] allocate_slab mm/slub.c:2354 [inline] new_slab+0x2d7/0x1400 mm/slub.c:2407 ___slab_alloc+0x16b5/0x3970 mm/slub.c:3540 __slab_alloc mm/slub.c:3625 [inline] __slab_alloc_node mm/slub.c:3678 [inline] slab_alloc_node mm/slub.c:3850 [inline] kmem_cache_alloc_lru+0x64d/0xb30 mm/slub.c:3879 alloc_inode_sb include/linux/fs.h:3018 [inline] hfs_alloc_inode+0x5a/0xc0 fs/hfs/super.c:165 alloc_inode+0x83/0x440 fs/inode.c:260 new_inode_pseudo fs/inode.c:1005 [inline] new_inode+0x38/0x4f0 fs/inode.c:1031 hfs_new_inode+0x61/0x1010 fs/hfs/inode.c:186 hfs_mkdir+0x54/0x250 fs/hfs/dir.c:228 vfs_mkdir+0x49a/0x700 fs/namei.c:4126 do_mkdirat+0x529/0x810 fs/namei.c:4149 __do_sys_mkdirat fs/namei.c:4164 [inline] __se_sys_mkdirat fs/namei.c:4162 [inline] __x64_sys_mkdirat+0xc8/0x120 fs/namei.c:4162 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xcf/0x1e0 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x63/0x6b It missed to initialize .tz_secondswest, .cached_start and .cached_blocks fields in struct hfs_inode_info after hfs_alloc_inode(), fix it. Cc: stable@vger.kernel.org Reported-by: syzbot+3ae6be33a50b5aae4dab@syzkaller.appspotmail.com Closes: https://lore.kernel.org/linux-fsdevel/0000000000005ad04005ee48897f@google.com Signed-off-by: Chao Yu Link: https://lore.kernel.org/r/20240616013841.2217-1-chao@kernel.org Signed-off-by: Christian Brauner Signed-off-by: Greg Kroah-Hartman --- fs/hfs/inode.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/fs/hfs/inode.c b/fs/hfs/inode.c index 6fbde990e056..3d59cdb31278 100644 --- a/fs/hfs/inode.c +++ b/fs/hfs/inode.c @@ -200,6 +200,7 @@ struct inode *hfs_new_inode(struct inode *dir, const struct qstr *name, umode_t HFS_I(inode)->flags = 0; HFS_I(inode)->rsrc_inode = NULL; HFS_I(inode)->fs_blocks = 0; + HFS_I(inode)->tz_secondswest = sys_tz.tz_minuteswest * 60; if (S_ISDIR(mode)) { inode->i_size = 2; HFS_SB(sb)->folder_count++; @@ -275,6 +276,8 @@ void hfs_inode_read_fork(struct inode *inode, struct hfs_extent *ext, for (count = 0, i = 0; i < 3; i++) count += be16_to_cpu(ext[i].count); HFS_I(inode)->first_blocks = count; + HFS_I(inode)->cached_start = 0; + HFS_I(inode)->cached_blocks = 0; inode->i_size = HFS_I(inode)->phys_size = log_size; HFS_I(inode)->fs_blocks = (log_size + sb->s_blocksize - 1) >> sb->s_blocksize_bits; From 86f4ca8b3b6e5e3441ec0716b0e82a45782395a1 Mon Sep 17 00:00:00 2001 From: Jan Kara Date: Mon, 24 Jun 2024 17:12:56 +0200 Subject: [PATCH 125/702] ext2: Verify bitmap and itable block numbers before using them commit 322a6aff03937aa1ece33b4e46c298eafaf9ac41 upstream. Verify bitmap block numbers and inode table blocks are sane before using them for checking bits in the block bitmap. CC: stable@vger.kernel.org Signed-off-by: Jan Kara Signed-off-by: Greg Kroah-Hartman --- fs/ext2/balloc.c | 11 +++++++++-- 1 file changed, 9 insertions(+), 2 deletions(-) diff --git a/fs/ext2/balloc.c b/fs/ext2/balloc.c index c17ccc19b938..9bf086821eb3 100644 --- a/fs/ext2/balloc.c +++ b/fs/ext2/balloc.c @@ -79,26 +79,33 @@ static int ext2_valid_block_bitmap(struct super_block *sb, ext2_grpblk_t next_zero_bit; ext2_fsblk_t bitmap_blk; ext2_fsblk_t group_first_block; + ext2_grpblk_t max_bit; group_first_block = ext2_group_first_block_no(sb, block_group); + max_bit = ext2_group_last_block_no(sb, block_group) - group_first_block; /* check whether block bitmap block number is set */ bitmap_blk = le32_to_cpu(desc->bg_block_bitmap); offset = bitmap_blk - group_first_block; - if (!ext2_test_bit(offset, bh->b_data)) + if (offset < 0 || offset > max_bit || + !ext2_test_bit(offset, bh->b_data)) /* bad block bitmap */ goto err_out; /* check whether the inode bitmap block number is set */ bitmap_blk = le32_to_cpu(desc->bg_inode_bitmap); offset = bitmap_blk - group_first_block; - if (!ext2_test_bit(offset, bh->b_data)) + if (offset < 0 || offset > max_bit || + !ext2_test_bit(offset, bh->b_data)) /* bad block bitmap */ goto err_out; /* check whether the inode table block number is set */ bitmap_blk = le32_to_cpu(desc->bg_inode_table); offset = bitmap_blk - group_first_block; + if (offset < 0 || offset > max_bit || + offset + EXT2_SB(sb)->s_itb_per_group - 1 > max_bit) + goto err_out; next_zero_bit = ext2_find_next_zero_bit(bh->b_data, offset + EXT2_SB(sb)->s_itb_per_group, offset); From b6ac46a00188cde50ffba233e6efb366354a1de5 Mon Sep 17 00:00:00 2001 From: Ma Ke Date: Tue, 9 Jul 2024 19:33:11 +0800 Subject: [PATCH 126/702] drm/gma500: fix null pointer dereference in cdv_intel_lvds_get_modes commit cb520c3f366c77e8d69e4e2e2781a8ce48d98e79 upstream. In cdv_intel_lvds_get_modes(), the return value of drm_mode_duplicate() is assigned to mode, which will lead to a NULL pointer dereference on failure of drm_mode_duplicate(). Add a check to avoid npd. Cc: stable@vger.kernel.org Fixes: 6a227d5fd6c4 ("gma500: Add support for Cedarview") Signed-off-by: Ma Ke Signed-off-by: Patrik Jakobsson Link: https://patchwork.freedesktop.org/patch/msgid/20240709113311.37168-1-make24@iscas.ac.cn Signed-off-by: Greg Kroah-Hartman --- drivers/gpu/drm/gma500/cdv_intel_lvds.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/drivers/gpu/drm/gma500/cdv_intel_lvds.c b/drivers/gpu/drm/gma500/cdv_intel_lvds.c index eaaf4efec217..b13c34fa29ed 100644 --- a/drivers/gpu/drm/gma500/cdv_intel_lvds.c +++ b/drivers/gpu/drm/gma500/cdv_intel_lvds.c @@ -310,6 +310,9 @@ static int cdv_intel_lvds_get_modes(struct drm_connector *connector) if (mode_dev->panel_fixed_mode != NULL) { struct drm_display_mode *mode = drm_mode_duplicate(dev, mode_dev->panel_fixed_mode); + if (!mode) + return 0; + drm_mode_probed_add(connector, mode); return 1; } From 6735d02ead7dd3adf74eb8b70aebd09e0ce78ec9 Mon Sep 17 00:00:00 2001 From: Ma Ke Date: Tue, 9 Jul 2024 17:20:11 +0800 Subject: [PATCH 127/702] drm/gma500: fix null pointer dereference in psb_intel_lvds_get_modes commit 2df7aac81070987b0f052985856aa325a38debf6 upstream. In psb_intel_lvds_get_modes(), the return value of drm_mode_duplicate() is assigned to mode, which will lead to a possible NULL pointer dereference on failure of drm_mode_duplicate(). Add a check to avoid npd. Cc: stable@vger.kernel.org Fixes: 89c78134cc54 ("gma500: Add Poulsbo support") Signed-off-by: Ma Ke Signed-off-by: Patrik Jakobsson Link: https://patchwork.freedesktop.org/patch/msgid/20240709092011.3204970-1-make24@iscas.ac.cn Signed-off-by: Greg Kroah-Hartman --- drivers/gpu/drm/gma500/psb_intel_lvds.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/drivers/gpu/drm/gma500/psb_intel_lvds.c b/drivers/gpu/drm/gma500/psb_intel_lvds.c index 063c66bb946d..889964efe62d 100644 --- a/drivers/gpu/drm/gma500/psb_intel_lvds.c +++ b/drivers/gpu/drm/gma500/psb_intel_lvds.c @@ -508,6 +508,9 @@ static int psb_intel_lvds_get_modes(struct drm_connector *connector) if (mode_dev->panel_fixed_mode != NULL) { struct drm_display_mode *mode = drm_mode_duplicate(dev, mode_dev->panel_fixed_mode); + if (!mode) + return 0; + drm_mode_probed_add(connector, mode); return 1; } From 748e9ad7c0c238b3246548d53740dee75d85544f Mon Sep 17 00:00:00 2001 From: Shreyas Deodhar Date: Wed, 10 Jul 2024 22:40:54 +0530 Subject: [PATCH 128/702] scsi: qla2xxx: Fix optrom version displayed in FDMI commit 348744f27a35e087acc9378bf53537fbfb072775 upstream. Bios version was popluated for FDMI response. Systems with EFI would show optrom version as 0. EFI version is populated here and BIOS version is already displayed under FDMI_HBA_BOOT_BIOS_NAME. Cc: stable@vger.kernel.org Signed-off-by: Shreyas Deodhar Signed-off-by: Nilesh Javali Link: https://lore.kernel.org/r/20240710171057.35066-9-njavali@marvell.com Reviewed-by: Himanshu Madhani Signed-off-by: Martin K. Petersen Signed-off-by: Greg Kroah-Hartman --- drivers/scsi/qla2xxx/qla_gs.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/scsi/qla2xxx/qla_gs.c b/drivers/scsi/qla2xxx/qla_gs.c index d9ac17dbad78..b08a92d346f5 100644 --- a/drivers/scsi/qla2xxx/qla_gs.c +++ b/drivers/scsi/qla2xxx/qla_gs.c @@ -1708,7 +1708,7 @@ qla2x00_hba_attributes(scsi_qla_host_t *vha, void *entries, eiter->type = cpu_to_be16(FDMI_HBA_OPTION_ROM_VERSION); alen = scnprintf( eiter->a.orom_version, sizeof(eiter->a.orom_version), - "%d.%02d", ha->bios_revision[1], ha->bios_revision[0]); + "%d.%02d", ha->efi_revision[1], ha->efi_revision[0]); alen += FDMI_ATTR_ALIGNMENT(alen); alen += FDMI_ATTR_TYPELEN(eiter); eiter->len = cpu_to_be16(alen); From 9ce89824ff04d261fc855e0ca6e6025251d9fa40 Mon Sep 17 00:00:00 2001 From: Sung Joon Kim Date: Mon, 8 Jul 2024 19:29:49 -0400 Subject: [PATCH 129/702] drm/amd/display: Check for NULL pointer commit 4ab68e168ae1695f7c04fae98930740aaf7c50fa upstream. [why & how] Need to make sure plane_state is initialized before accessing its members. Cc: Mario Limonciello Cc: Alex Deucher Cc: stable@vger.kernel.org Reviewed-by: Xi (Alex) Liu Signed-off-by: Sung Joon Kim Signed-off-by: Aurabindo Pillai Signed-off-by: Alex Deucher (cherry picked from commit 295d91cbc700651782a60572f83c24861607b648) Signed-off-by: Greg Kroah-Hartman --- drivers/gpu/drm/amd/display/dc/core/dc_surface.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/drivers/gpu/drm/amd/display/dc/core/dc_surface.c b/drivers/gpu/drm/amd/display/dc/core/dc_surface.c index 3d7d27435f15..98391ba103d6 100644 --- a/drivers/gpu/drm/amd/display/dc/core/dc_surface.c +++ b/drivers/gpu/drm/amd/display/dc/core/dc_surface.c @@ -154,7 +154,8 @@ const struct dc_plane_status *dc_plane_get_status( if (pipe_ctx->plane_state != plane_state) continue; - pipe_ctx->plane_state->status.is_flip_pending = false; + if (pipe_ctx->plane_state) + pipe_ctx->plane_state->status.is_flip_pending = false; break; } From eb46367187a446fea41897a42d78a32b5f8e49a3 Mon Sep 17 00:00:00 2001 From: Pierre Gondois Date: Wed, 6 Dec 2023 10:00:43 +0100 Subject: [PATCH 130/702] sched/fair: Use all little CPUs for CPU-bound workloads commit 3af7524b14198f5159a86692d57a9f28ec9375ce upstream. Running N CPU-bound tasks on an N CPUs platform: - with asymmetric CPU capacity - not being a DynamIq system (i.e. having a PKG level sched domain without the SD_SHARE_PKG_RESOURCES flag set) .. might result in a task placement where two tasks run on a big CPU and none on a little CPU. This placement could be more optimal by using all CPUs. Testing platform: Juno-r2: - 2 big CPUs (1-2), maximum capacity of 1024 - 4 little CPUs (0,3-5), maximum capacity of 383 Testing workload ([1]): Spawn 6 CPU-bound tasks. During the first 100ms (step 1), each tasks is affine to a CPU, except for: - one little CPU which is left idle. - one big CPU which has 2 tasks affine. After the 100ms (step 2), remove the cpumask affinity. Behavior before the patch: During step 2, the load balancer running from the idle CPU tags sched domains as: - little CPUs: 'group_has_spare'. Cf. group_has_capacity() and group_is_overloaded(), 3 CPU-bound tasks run on a 4 CPUs sched-domain, and the idle CPU provides enough spare capacity regarding the imbalance_pct - big CPUs: 'group_overloaded'. Indeed, 3 tasks run on a 2 CPUs sched-domain, so the following path is used: group_is_overloaded() \-if (sgs->sum_nr_running <= sgs->group_weight) return true; The following path which would change the migration type to 'migrate_task' is not taken: calculate_imbalance() \-if (env->idle != CPU_NOT_IDLE && env->imbalance == 0) as the local group has some spare capacity, so the imbalance is not 0. The migration type requested is 'migrate_util' and the busiest runqueue is the big CPU's runqueue having 2 tasks (each having a utilization of 512). The idle little CPU cannot pull one of these task as its capacity is too small for the task. The following path is used: detach_tasks() \-case migrate_util: \-if (util > env->imbalance) goto next; After the patch: As the number of failed balancing attempts grows (with 'nr_balance_failed'), progressively make it easier to migrate a big task to the idling little CPU. A similar mechanism is used for the 'migrate_load' migration type. Improvement: Running the testing workload [1] with the step 2 representing a ~10s load for a big CPU: Before patch: ~19.3s After patch: ~18s (-6.7%) Similar issue reported at: https://lore.kernel.org/lkml/20230716014125.139577-1-qyousef@layalina.io/ Suggested-by: Vincent Guittot Signed-off-by: Pierre Gondois Signed-off-by: Ingo Molnar Reviewed-by: Vincent Guittot Reviewed-by: Dietmar Eggemann Acked-by: Qais Yousef Link: https://lore.kernel.org/r/20231206090043.634697-1-pierre.gondois@arm.com Signed-off-by: Greg Kroah-Hartman --- kernel/sched/fair.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/kernel/sched/fair.c b/kernel/sched/fair.c index 376f5c6a933d..a6a755aec32b 100644 --- a/kernel/sched/fair.c +++ b/kernel/sched/fair.c @@ -7950,7 +7950,7 @@ static int detach_tasks(struct lb_env *env) case migrate_util: util = task_util_est(p); - if (util > env->imbalance) + if (shr_bound(util, env->sd->nr_balance_failed) > env->imbalance) goto next; env->imbalance -= util; From 973155ca67fef3038d5d752f7076c45a010e1b43 Mon Sep 17 00:00:00 2001 From: Fedor Pchelkin Date: Thu, 1 Feb 2024 17:24:48 +0300 Subject: [PATCH 131/702] apparmor: use kvfree_sensitive to free data->data commit 2bc73505a5cd2a18a7a542022722f136c19e3b87 upstream. Inside unpack_profile() data->data is allocated using kvmemdup() so it should be freed with the corresponding kvfree_sensitive(). Also add missing data->data release for rhashtable insertion failure path in unpack_profile(). Found by Linux Verification Center (linuxtesting.org). Fixes: e025be0f26d5 ("apparmor: support querying extended trusted helper extra data") Cc: stable@vger.kernel.org Signed-off-by: Fedor Pchelkin Signed-off-by: John Johansen Signed-off-by: Greg Kroah-Hartman --- security/apparmor/policy.c | 2 +- security/apparmor/policy_unpack.c | 1 + 2 files changed, 2 insertions(+), 1 deletion(-) diff --git a/security/apparmor/policy.c b/security/apparmor/policy.c index fcf22577f606..e59bdb750ef0 100644 --- a/security/apparmor/policy.c +++ b/security/apparmor/policy.c @@ -187,7 +187,7 @@ static void aa_free_data(void *ptr, void *arg) { struct aa_data *data = ptr; - kfree_sensitive(data->data); + kvfree_sensitive(data->data, data->size); kfree_sensitive(data->key); kfree_sensitive(data); } diff --git a/security/apparmor/policy_unpack.c b/security/apparmor/policy_unpack.c index 6c2a536173b5..93fcafdaa548 100644 --- a/security/apparmor/policy_unpack.c +++ b/security/apparmor/policy_unpack.c @@ -915,6 +915,7 @@ static struct aa_profile *unpack_profile(struct aa_ext *e, char **ns_name) if (rhashtable_insert_fast(profile->data, &data->head, profile->data->p)) { + kvfree_sensitive(data->data, data->size); kfree_sensitive(data->key); kfree_sensitive(data); info = "failed to insert data to table"; From 1fd27cc6f0a540f97d29bd695521a3bb57d02f33 Mon Sep 17 00:00:00 2001 From: Frederic Weisbecker Date: Fri, 21 Jun 2024 11:15:58 +0200 Subject: [PATCH 132/702] task_work: s/task_work_cancel()/task_work_cancel_func()/ commit 68cbd415dd4b9c5b9df69f0f091879e56bf5907a upstream. A proper task_work_cancel() API that actually cancels a callback and not *any* callback pointing to a given function is going to be needed for perf events event freeing. Do the appropriate rename to prepare for that. Signed-off-by: Frederic Weisbecker Signed-off-by: Peter Zijlstra (Intel) Cc: stable@vger.kernel.org Link: https://lore.kernel.org/r/20240621091601.18227-2-frederic@kernel.org Signed-off-by: Greg Kroah-Hartman --- include/linux/task_work.h | 2 +- kernel/irq/manage.c | 2 +- kernel/task_work.c | 10 +++++----- security/keys/keyctl.c | 2 +- 4 files changed, 8 insertions(+), 8 deletions(-) diff --git a/include/linux/task_work.h b/include/linux/task_work.h index 5b8a93f288bb..da581770b89d 100644 --- a/include/linux/task_work.h +++ b/include/linux/task_work.h @@ -24,7 +24,7 @@ int task_work_add(struct task_struct *task, struct callback_head *twork, struct callback_head *task_work_cancel_match(struct task_struct *task, bool (*match)(struct callback_head *, void *data), void *data); -struct callback_head *task_work_cancel(struct task_struct *, task_work_func_t); +struct callback_head *task_work_cancel_func(struct task_struct *, task_work_func_t); void task_work_run(void); static inline void exit_task_work(struct task_struct *task) diff --git a/kernel/irq/manage.c b/kernel/irq/manage.c index 0159925054fa..c7f4f948f17e 100644 --- a/kernel/irq/manage.c +++ b/kernel/irq/manage.c @@ -1230,7 +1230,7 @@ static int irq_thread(void *data) * synchronize_hardirq(). So neither IRQTF_RUNTHREAD nor the * oneshot mask bit can be set. */ - task_work_cancel(current, irq_thread_dtor); + task_work_cancel_func(current, irq_thread_dtor); return 0; } diff --git a/kernel/task_work.c b/kernel/task_work.c index e9316198c64b..6ab445aebcea 100644 --- a/kernel/task_work.c +++ b/kernel/task_work.c @@ -101,9 +101,9 @@ static bool task_work_func_match(struct callback_head *cb, void *data) } /** - * task_work_cancel - cancel a pending work added by task_work_add() - * @task: the task which should execute the work - * @func: identifies the work to remove + * task_work_cancel_func - cancel a pending work matching a function added by task_work_add() + * @task: the task which should execute the func's work + * @func: identifies the func to match with a work to remove * * Find the last queued pending work with ->func == @func and remove * it from queue. @@ -112,7 +112,7 @@ static bool task_work_func_match(struct callback_head *cb, void *data) * The found work or NULL if not found. */ struct callback_head * -task_work_cancel(struct task_struct *task, task_work_func_t func) +task_work_cancel_func(struct task_struct *task, task_work_func_t func) { return task_work_cancel_match(task, task_work_func_match, func); } @@ -149,7 +149,7 @@ void task_work_run(void) if (!work) break; /* - * Synchronize with task_work_cancel(). It can not remove + * Synchronize with task_work_cancel_match(). It can not remove * the first entry == work, cmpxchg(task_works) must fail. * But it can remove another entry from the ->next list. */ diff --git a/security/keys/keyctl.c b/security/keys/keyctl.c index e3ffaf5ad639..c283474ecea5 100644 --- a/security/keys/keyctl.c +++ b/security/keys/keyctl.c @@ -1694,7 +1694,7 @@ long keyctl_session_to_parent(void) goto unlock; /* cancel an already pending keyring replacement */ - oldwork = task_work_cancel(parent, key_change_session_keyring); + oldwork = task_work_cancel_func(parent, key_change_session_keyring); /* the replacement session keyring is applied just prior to userspace * restarting */ From 5c59cb8dd95430dde203c353166926f746f51b09 Mon Sep 17 00:00:00 2001 From: Frederic Weisbecker Date: Fri, 21 Jun 2024 11:15:59 +0200 Subject: [PATCH 133/702] task_work: Introduce task_work_cancel() again commit f409530e4db9dd11b88cb7703c97c8f326ff6566 upstream. Re-introduce task_work_cancel(), this time to cancel an actual callback and not *any* callback pointing to a given function. This is going to be needed for perf events event freeing. Signed-off-by: Frederic Weisbecker Signed-off-by: Peter Zijlstra (Intel) Cc: stable@vger.kernel.org Link: https://lore.kernel.org/r/20240621091601.18227-3-frederic@kernel.org Signed-off-by: Greg Kroah-Hartman --- include/linux/task_work.h | 1 + kernel/task_work.c | 24 ++++++++++++++++++++++++ 2 files changed, 25 insertions(+) diff --git a/include/linux/task_work.h b/include/linux/task_work.h index da581770b89d..ad9432313627 100644 --- a/include/linux/task_work.h +++ b/include/linux/task_work.h @@ -25,6 +25,7 @@ int task_work_add(struct task_struct *task, struct callback_head *twork, struct callback_head *task_work_cancel_match(struct task_struct *task, bool (*match)(struct callback_head *, void *data), void *data); struct callback_head *task_work_cancel_func(struct task_struct *, task_work_func_t); +bool task_work_cancel(struct task_struct *task, struct callback_head *cb); void task_work_run(void); static inline void exit_task_work(struct task_struct *task) diff --git a/kernel/task_work.c b/kernel/task_work.c index 6ab445aebcea..6138e13dce3d 100644 --- a/kernel/task_work.c +++ b/kernel/task_work.c @@ -117,6 +117,30 @@ task_work_cancel_func(struct task_struct *task, task_work_func_t func) return task_work_cancel_match(task, task_work_func_match, func); } +static bool task_work_match(struct callback_head *cb, void *data) +{ + return cb == data; +} + +/** + * task_work_cancel - cancel a pending work added by task_work_add() + * @task: the task which should execute the work + * @cb: the callback to remove if queued + * + * Remove a callback from a task's queue if queued. + * + * RETURNS: + * True if the callback was queued and got cancelled, false otherwise. + */ +bool task_work_cancel(struct task_struct *task, struct callback_head *cb) +{ + struct callback_head *ret; + + ret = task_work_cancel_match(task, task_work_match, cb); + + return ret == cb; +} + /** * task_work_run - execute the works added by task_work_add() * From 2199e157a465aaf98294d3932797ecd7fce942d5 Mon Sep 17 00:00:00 2001 From: Jan Kara Date: Mon, 17 Jun 2024 17:41:52 +0200 Subject: [PATCH 134/702] udf: Avoid using corrupted block bitmap buffer commit a90d4471146de21745980cba51ce88e7926bcc4f upstream. When the filesystem block bitmap is corrupted, we detect the corruption while loading the bitmap and fail the allocation with error. However the next allocation from the same bitmap will notice the bitmap buffer is already loaded and tries to allocate from the bitmap with mixed results (depending on the exact nature of the bitmap corruption). Fix the problem by using BH_verified bit to indicate whether the bitmap is valid or not. Reported-by: syzbot+5f682cd029581f9edfd1@syzkaller.appspotmail.com CC: stable@vger.kernel.org Link: https://patch.msgid.link/20240617154201.29512-2-jack@suse.cz Fixes: 1e0d4adf17e7 ("udf: Check consistency of Space Bitmap Descriptor") Signed-off-by: Jan Kara Signed-off-by: Greg Kroah-Hartman --- fs/udf/balloc.c | 15 +++++++++++++-- fs/udf/super.c | 3 ++- 2 files changed, 15 insertions(+), 3 deletions(-) diff --git a/fs/udf/balloc.c b/fs/udf/balloc.c index f416b7fe092f..c4c18eeacb60 100644 --- a/fs/udf/balloc.c +++ b/fs/udf/balloc.c @@ -68,8 +68,12 @@ static int read_block_bitmap(struct super_block *sb, } for (i = 0; i < count; i++) - if (udf_test_bit(i + off, bh->b_data)) + if (udf_test_bit(i + off, bh->b_data)) { + bitmap->s_block_bitmap[bitmap_nr] = + ERR_PTR(-EFSCORRUPTED); + brelse(bh); return -EFSCORRUPTED; + } return 0; } @@ -85,8 +89,15 @@ static int __load_block_bitmap(struct super_block *sb, block_group, nr_groups); } - if (bitmap->s_block_bitmap[block_group]) + if (bitmap->s_block_bitmap[block_group]) { + /* + * The bitmap failed verification in the past. No point in + * trying again. + */ + if (IS_ERR(bitmap->s_block_bitmap[block_group])) + return PTR_ERR(bitmap->s_block_bitmap[block_group]); return block_group; + } retval = read_block_bitmap(sb, bitmap, block_group, block_group); if (retval < 0) diff --git a/fs/udf/super.c b/fs/udf/super.c index 4af9ce34ee80..1939678f0b62 100644 --- a/fs/udf/super.c +++ b/fs/udf/super.c @@ -266,7 +266,8 @@ static void udf_sb_free_bitmap(struct udf_bitmap *bitmap) int nr_groups = bitmap->s_nr_groups; for (i = 0; i < nr_groups; i++) - brelse(bitmap->s_block_bitmap[i]); + if (!IS_ERR_OR_NULL(bitmap->s_block_bitmap[i])) + brelse(bitmap->s_block_bitmap[i]); kvfree(bitmap); } From 38463947850ccdd0a97338046ff3cac6b482d6c9 Mon Sep 17 00:00:00 2001 From: Paolo Pisati Date: Sat, 1 Jun 2024 17:32:54 +0200 Subject: [PATCH 135/702] m68k: amiga: Turn off Warp1260 interrupts during boot commit 1d8491d3e726984343dd8c3cdbe2f2b47cfdd928 upstream. On an Amiga 1200 equipped with a Warp1260 accelerator, an interrupt storm coming from the accelerator board causes the machine to crash in local_irq_enable() or auto_irq_enable(). Disabling interrupts for the Warp1260 in amiga_parse_bootinfo() fixes the problem. Link: https://lore.kernel.org/r/ZkjwzVwYeQtyAPrL@amaterasu.local Cc: stable Signed-off-by: Paolo Pisati Reviewed-by: Michael Schmitz Reviewed-by: Geert Uytterhoeven Link: https://lore.kernel.org/r/20240601153254.186225-1-p.pisati@gmail.com Signed-off-by: Geert Uytterhoeven Signed-off-by: Greg Kroah-Hartman --- arch/m68k/amiga/config.c | 9 +++++++++ include/uapi/linux/zorro_ids.h | 3 +++ 2 files changed, 12 insertions(+) diff --git a/arch/m68k/amiga/config.c b/arch/m68k/amiga/config.c index bee9f240f35d..c92c1e559da0 100644 --- a/arch/m68k/amiga/config.c +++ b/arch/m68k/amiga/config.c @@ -179,6 +179,15 @@ int __init amiga_parse_bootinfo(const struct bi_record *record) dev->slotsize = be16_to_cpu(cd->cd_SlotSize); dev->boardaddr = be32_to_cpu(cd->cd_BoardAddr); dev->boardsize = be32_to_cpu(cd->cd_BoardSize); + + /* CS-LAB Warp 1260 workaround */ + if (be16_to_cpu(dev->rom.er_Manufacturer) == ZORRO_MANUF(ZORRO_PROD_CSLAB_WARP_1260) && + dev->rom.er_Product == ZORRO_PROD(ZORRO_PROD_CSLAB_WARP_1260)) { + + /* turn off all interrupts */ + pr_info("Warp 1260 card detected: applying interrupt storm workaround\n"); + *(uint32_t *)(dev->boardaddr + 0x1000) = 0xfff; + } } else pr_warn("amiga_parse_bootinfo: too many AutoConfig devices\n"); #endif /* CONFIG_ZORRO */ diff --git a/include/uapi/linux/zorro_ids.h b/include/uapi/linux/zorro_ids.h index 6e574d7b7d79..393f2ee9c042 100644 --- a/include/uapi/linux/zorro_ids.h +++ b/include/uapi/linux/zorro_ids.h @@ -449,6 +449,9 @@ #define ZORRO_PROD_VMC_ISDN_BLASTER_Z2 ZORRO_ID(VMC, 0x01, 0) #define ZORRO_PROD_VMC_HYPERCOM_4 ZORRO_ID(VMC, 0x02, 0) +#define ZORRO_MANUF_CSLAB 0x1400 +#define ZORRO_PROD_CSLAB_WARP_1260 ZORRO_ID(CSLAB, 0x65, 0) + #define ZORRO_MANUF_INFORMATION 0x157C #define ZORRO_PROD_INFORMATION_ISDN_ENGINE_I ZORRO_ID(INFORMATION, 0x64, 0) From 42d420517072028fb0eb852c358056b7717ba5aa Mon Sep 17 00:00:00 2001 From: Baokun Li Date: Tue, 2 Jul 2024 21:23:48 +0800 Subject: [PATCH 136/702] ext4: check dot and dotdot of dx_root before making dir indexed commit 50ea741def587a64e08879ce6c6a30131f7111e7 upstream. Syzbot reports a issue as follows: ============================================ BUG: unable to handle page fault for address: ffffed11022e24fe PGD 23ffee067 P4D 23ffee067 PUD 0 Oops: Oops: 0000 [#1] PREEMPT SMP KASAN PTI CPU: 0 PID: 5079 Comm: syz-executor306 Not tainted 6.10.0-rc5-g55027e689933 #0 Call Trace: make_indexed_dir+0xdaf/0x13c0 fs/ext4/namei.c:2341 ext4_add_entry+0x222a/0x25d0 fs/ext4/namei.c:2451 ext4_rename fs/ext4/namei.c:3936 [inline] ext4_rename2+0x26e5/0x4370 fs/ext4/namei.c:4214 [...] ============================================ The immediate cause of this problem is that there is only one valid dentry for the block to be split during do_split, so split==0 results in out of bounds accesses to the map triggering the issue. do_split unsigned split dx_make_map count = 1 split = count/2 = 0; continued = hash2 == map[split - 1].hash; ---> map[4294967295] The maximum length of a filename is 255 and the minimum block size is 1024, so it is always guaranteed that the number of entries is greater than or equal to 2 when do_split() is called. But syzbot's crafted image has no dot and dotdot in dir, and the dentry distribution in dirblock is as follows: bus dentry1 hole dentry2 free |xx--|xx-------------|...............|xx-------------|...............| 0 12 (8+248)=256 268 256 524 (8+256)=264 788 236 1024 So when renaming dentry1 increases its name_len length by 1, neither hole nor free is sufficient to hold the new dentry, and make_indexed_dir() is called. In make_indexed_dir() it is assumed that the first two entries of the dirblock must be dot and dotdot, so bus and dentry1 are left in dx_root because they are treated as dot and dotdot, and only dentry2 is moved to the new leaf block. That's why count is equal to 1. Therefore add the ext4_check_dx_root() helper function to add more sanity checks to dot and dotdot before starting the conversion to avoid the above issue. Reported-by: syzbot+ae688d469e36fb5138d0@syzkaller.appspotmail.com Closes: https://syzkaller.appspot.com/bug?extid=ae688d469e36fb5138d0 Fixes: ac27a0ec112a ("[PATCH] ext4: initial copy of files from ext3") Cc: stable@kernel.org Signed-off-by: Baokun Li Reviewed-by: Jan Kara Link: https://patch.msgid.link/20240702132349.2600605-2-libaokun@huaweicloud.com Signed-off-by: Theodore Ts'o Signed-off-by: Greg Kroah-Hartman --- fs/ext4/namei.c | 56 ++++++++++++++++++++++++++++++++++++++++++++----- 1 file changed, 51 insertions(+), 5 deletions(-) diff --git a/fs/ext4/namei.c b/fs/ext4/namei.c index af0801593abb..16676c4920e9 100644 --- a/fs/ext4/namei.c +++ b/fs/ext4/namei.c @@ -2098,6 +2098,52 @@ static int add_dirent_to_buf(handle_t *handle, struct ext4_filename *fname, return err ? err : err2; } +static bool ext4_check_dx_root(struct inode *dir, struct dx_root *root) +{ + struct fake_dirent *fde; + const char *error_msg; + unsigned int rlen; + unsigned int blocksize = dir->i_sb->s_blocksize; + char *blockend = (char *)root + dir->i_sb->s_blocksize; + + fde = &root->dot; + if (unlikely(fde->name_len != 1)) { + error_msg = "invalid name_len for '.'"; + goto corrupted; + } + if (unlikely(strncmp(root->dot_name, ".", fde->name_len))) { + error_msg = "invalid name for '.'"; + goto corrupted; + } + rlen = ext4_rec_len_from_disk(fde->rec_len, blocksize); + if (unlikely((char *)fde + rlen >= blockend)) { + error_msg = "invalid rec_len for '.'"; + goto corrupted; + } + + fde = &root->dotdot; + if (unlikely(fde->name_len != 2)) { + error_msg = "invalid name_len for '..'"; + goto corrupted; + } + if (unlikely(strncmp(root->dotdot_name, "..", fde->name_len))) { + error_msg = "invalid name for '..'"; + goto corrupted; + } + rlen = ext4_rec_len_from_disk(fde->rec_len, blocksize); + if (unlikely((char *)fde + rlen >= blockend)) { + error_msg = "invalid rec_len for '..'"; + goto corrupted; + } + + return true; + +corrupted: + EXT4_ERROR_INODE(dir, "Corrupt dir, %s, running e2fsck is recommended", + error_msg); + return false; +} + /* * This converts a one block unindexed directory to a 3 block indexed * directory, and adds the dentry to the indexed directory. @@ -2131,17 +2177,17 @@ static int make_indexed_dir(handle_t *handle, struct ext4_filename *fname, brelse(bh); return retval; } + root = (struct dx_root *) bh->b_data; + if (!ext4_check_dx_root(dir, root)) { + brelse(bh); + return -EFSCORRUPTED; + } /* The 0th block becomes the root, move the dirents out */ fde = &root->dotdot; de = (struct ext4_dir_entry_2 *)((char *)fde + ext4_rec_len_from_disk(fde->rec_len, blocksize)); - if ((char *) de >= (((char *) root) + blocksize)) { - EXT4_ERROR_INODE(dir, "invalid rec_len for '..'"); - brelse(bh); - return -EFSCORRUPTED; - } len = ((char *) root) + (blocksize - csum_size) - (char *) de; /* Allocate new block for the 0th block's dirents */ From de2a011a13a46468a6e8259db58b1b62071fe136 Mon Sep 17 00:00:00 2001 From: Baokun Li Date: Tue, 2 Jul 2024 21:23:49 +0800 Subject: [PATCH 137/702] ext4: make sure the first directory block is not a hole commit f9ca51596bbfd0f9c386dd1c613c394c78d9e5e6 upstream. The syzbot constructs a directory that has no dirblock but is non-inline, i.e. the first directory block is a hole. And no errors are reported when creating files in this directory in the following flow. ext4_mknod ... ext4_add_entry // Read block 0 ext4_read_dirblock(dir, block, DIRENT) bh = ext4_bread(NULL, inode, block, 0) if (!bh && (type == INDEX || type == DIRENT_HTREE)) // The first directory block is a hole // But type == DIRENT, so no error is reported. After that, we get a directory block without '.' and '..' but with a valid dentry. This may cause some code that relies on dot or dotdot (such as make_indexed_dir()) to crash. Therefore when ext4_read_dirblock() finds that the first directory block is a hole report that the filesystem is corrupted and return an error to avoid loading corrupted data from disk causing something bad. Reported-by: syzbot+ae688d469e36fb5138d0@syzkaller.appspotmail.com Closes: https://syzkaller.appspot.com/bug?extid=ae688d469e36fb5138d0 Fixes: 4e19d6b65fb4 ("ext4: allow directory holes") Cc: stable@kernel.org Signed-off-by: Baokun Li Reviewed-by: Jan Kara Link: https://patch.msgid.link/20240702132349.2600605-3-libaokun@huaweicloud.com Signed-off-by: Theodore Ts'o Signed-off-by: Greg Kroah-Hartman --- fs/ext4/namei.c | 17 ++++++----------- 1 file changed, 6 insertions(+), 11 deletions(-) diff --git a/fs/ext4/namei.c b/fs/ext4/namei.c index 16676c4920e9..bf312f94c3bf 100644 --- a/fs/ext4/namei.c +++ b/fs/ext4/namei.c @@ -145,10 +145,11 @@ static struct buffer_head *__ext4_read_dirblock(struct inode *inode, return bh; } - if (!bh && (type == INDEX || type == DIRENT_HTREE)) { + /* The first directory block must not be a hole. */ + if (!bh && (type == INDEX || type == DIRENT_HTREE || block == 0)) { ext4_error_inode(inode, func, line, block, - "Directory hole found for htree %s block", - (type == INDEX) ? "index" : "leaf"); + "Directory hole found for htree %s block %u", + (type == INDEX) ? "index" : "leaf", block); return ERR_PTR(-EFSCORRUPTED); } if (!bh) @@ -2977,10 +2978,7 @@ bool ext4_empty_dir(struct inode *inode) EXT4_ERROR_INODE(inode, "invalid size"); return false; } - /* The first directory block must not be a hole, - * so treat it as DIRENT_HTREE - */ - bh = ext4_read_dirblock(inode, 0, DIRENT_HTREE); + bh = ext4_read_dirblock(inode, 0, EITHER); if (IS_ERR(bh)) return false; @@ -3611,10 +3609,7 @@ static struct buffer_head *ext4_get_first_dir_block(handle_t *handle, struct ext4_dir_entry_2 *de; unsigned int offset; - /* The first directory block must not be a hole, so - * treat it as DIRENT_HTREE - */ - bh = ext4_read_dirblock(inode, 0, DIRENT_HTREE); + bh = ext4_read_dirblock(inode, 0, EITHER); if (IS_ERR(bh)) { *retval = PTR_ERR(bh); return NULL; From 35f8c9ac0cd3d128dd6b1068ed02a650b2f7f327 Mon Sep 17 00:00:00 2001 From: Rafael Beims Date: Fri, 10 May 2024 13:04:58 +0200 Subject: [PATCH 138/702] wifi: mwifiex: Fix interface type change commit a17b9f590f6ec2b9f1b12b1db3bf1d181de6b272 upstream. When changing the interface type we also need to update the bss_num, the driver private data is searched based on a unique (bss_type, bss_num) tuple, therefore every time bss_type changes, bss_num must also change. This fixes for example an issue in which, after the mode changed, a wireless scan on the changed interface would not finish, leading to repeated -EBUSY messages to userspace when other scan requests were sent. Fixes: c606008b7062 ("mwifiex: Properly initialize private structure on interface type changes") Cc: stable@vger.kernel.org Signed-off-by: Rafael Beims Signed-off-by: Francesco Dolcini Signed-off-by: Kalle Valo Link: https://msgid.link/20240510110458.15475-1-francesco@dolcini.it Signed-off-by: Greg Kroah-Hartman --- drivers/net/wireless/marvell/mwifiex/cfg80211.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/drivers/net/wireless/marvell/mwifiex/cfg80211.c b/drivers/net/wireless/marvell/mwifiex/cfg80211.c index e1196c565a62..03ba8ed995bf 100644 --- a/drivers/net/wireless/marvell/mwifiex/cfg80211.c +++ b/drivers/net/wireless/marvell/mwifiex/cfg80211.c @@ -930,6 +930,8 @@ mwifiex_init_new_priv_params(struct mwifiex_private *priv, return -EOPNOTSUPP; } + priv->bss_num = mwifiex_get_unused_bss_num(adapter, priv->bss_type); + spin_lock_irqsave(&adapter->main_proc_lock, flags); adapter->main_locked = false; spin_unlock_irqrestore(&adapter->main_proc_lock, flags); From 6d5223be13f22511740a63567c997c78591f4af6 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Ilpo=20J=C3=A4rvinen?= Date: Mon, 27 May 2024 16:27:00 +0300 Subject: [PATCH 139/702] leds: ss4200: Convert PCIBIOS_* return codes to errnos MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit commit ce068e83976140badb19c7f1307926b4b562fac4 upstream. ich7_lpc_probe() uses pci_read_config_dword() that returns PCIBIOS_* codes. The error handling code assumes incorrectly it's a normal errno and checks for < 0. The return code is returned from the probe function as is but probe functions should return normal errnos. Remove < 0 from the check and convert PCIBIOS_* returns code using pcibios_err_to_errno() into normal errno before returning it. Fixes: a328e95b82c1 ("leds: LED driver for Intel NAS SS4200 series (v5)") Cc: Signed-off-by: Ilpo Järvinen Link: https://lore.kernel.org/r/20240527132700.14260-1-ilpo.jarvinen@linux.intel.com Signed-off-by: Lee Jones Signed-off-by: Greg Kroah-Hartman --- drivers/leds/leds-ss4200.c | 7 +++++-- 1 file changed, 5 insertions(+), 2 deletions(-) diff --git a/drivers/leds/leds-ss4200.c b/drivers/leds/leds-ss4200.c index 245de443fe9c..833bb721a8e0 100644 --- a/drivers/leds/leds-ss4200.c +++ b/drivers/leds/leds-ss4200.c @@ -356,8 +356,10 @@ static int ich7_lpc_probe(struct pci_dev *dev, nas_gpio_pci_dev = dev; status = pci_read_config_dword(dev, PMBASE, &g_pm_io_base); - if (status) + if (status) { + status = pcibios_err_to_errno(status); goto out; + } g_pm_io_base &= 0x00000ff80; status = pci_read_config_dword(dev, GPIO_CTRL, &gc); @@ -369,8 +371,9 @@ static int ich7_lpc_probe(struct pci_dev *dev, } status = pci_read_config_dword(dev, GPIO_BASE, &nas_gpio_io_base); - if (0 > status) { + if (status) { dev_info(&dev->dev, "Unable to read GPIOBASE.\n"); + status = pcibios_err_to_errno(status); goto out; } dev_dbg(&dev->dev, ": GPIOBASE = 0x%08x\n", nas_gpio_io_base); From cdbcb4e9f69b66cbfbfc59e6168aea84b715a440 Mon Sep 17 00:00:00 2001 From: Jan Kara Date: Mon, 24 Jun 2024 19:01:17 +0200 Subject: [PATCH 140/702] jbd2: make jbd2_journal_get_max_txn_bufs() internal commit 4aa99c71e42ad60178c1154ec24e3df9c684fb67 upstream. There's no reason to have jbd2_journal_get_max_txn_bufs() public function. Currently all users are internal and can use journal->j_max_transaction_buffers instead. This saves some unnecessary recomputations of the limit as a bonus which becomes important as this function gets more complex in the following patch. CC: stable@vger.kernel.org Signed-off-by: Jan Kara Reviewed-by: Zhang Yi Link: https://patch.msgid.link/20240624170127.3253-1-jack@suse.cz Signed-off-by: Theodore Ts'o Signed-off-by: Greg Kroah-Hartman --- fs/jbd2/commit.c | 2 +- fs/jbd2/journal.c | 5 +++++ include/linux/jbd2.h | 5 ----- 3 files changed, 6 insertions(+), 6 deletions(-) diff --git a/fs/jbd2/commit.c b/fs/jbd2/commit.c index db137671a41f..7d548821854e 100644 --- a/fs/jbd2/commit.c +++ b/fs/jbd2/commit.c @@ -813,7 +813,7 @@ void jbd2_journal_commit_transaction(journal_t *journal) if (first_block < journal->j_tail) freed += journal->j_last - journal->j_first; /* Update tail only if we free significant amount of space */ - if (freed < jbd2_journal_get_max_txn_bufs(journal)) + if (freed < journal->j_max_transaction_buffers) update_tail = 0; } J_ASSERT(commit_transaction->t_state == T_COMMIT); diff --git a/fs/jbd2/journal.c b/fs/jbd2/journal.c index effd837b8c1f..4ae4b85ea187 100644 --- a/fs/jbd2/journal.c +++ b/fs/jbd2/journal.c @@ -1481,6 +1481,11 @@ static void journal_fail_superblock(journal_t *journal) journal->j_sb_buffer = NULL; } +static int jbd2_journal_get_max_txn_bufs(journal_t *journal) +{ + return (journal->j_total_len - journal->j_fc_wbufsize) / 4; +} + /* * Given a journal_t structure, initialise the various fields for * startup of a new journaling session. We use this both when creating diff --git a/include/linux/jbd2.h b/include/linux/jbd2.h index 578ff196b3ce..80f573d1b3b8 100644 --- a/include/linux/jbd2.h +++ b/include/linux/jbd2.h @@ -1626,11 +1626,6 @@ int jbd2_wait_inode_data(journal_t *journal, struct jbd2_inode *jinode); int jbd2_fc_wait_bufs(journal_t *journal, int num_blks); int jbd2_fc_release_bufs(journal_t *journal); -static inline int jbd2_journal_get_max_txn_bufs(journal_t *journal) -{ - return (journal->j_total_len - journal->j_fc_wbufsize) / 4; -} - /* * is_journal_abort * From 9d289ce917f847305fe98b8cd9463a61ec5e4f4b Mon Sep 17 00:00:00 2001 From: Sean Christopherson Date: Fri, 7 Jun 2024 10:26:06 -0700 Subject: [PATCH 141/702] KVM: VMX: Split out the non-virtualization part of vmx_interrupt_blocked() commit 322a569c4b4188a0da2812f9e952780ce09b74ba upstream. Move the non-VMX chunk of the "interrupt blocked" checks to a separate helper so that KVM can reuse the code to detect if interrupts are blocked for L2, e.g. to determine if a virtual interrupt _for L2_ is a valid wake event. If L1 disables HLT-exiting for L2, nested APICv is enabled, and L2 HLTs, then L2 virtual interrupts are valid wake events, but if and only if interrupts are unblocked for L2. Cc: stable@vger.kernel.org Link: https://lore.kernel.org/r/20240607172609.3205077-4-seanjc@google.com Signed-off-by: Sean Christopherson Signed-off-by: Greg Kroah-Hartman --- arch/x86/kvm/vmx/vmx.c | 11 ++++++++--- arch/x86/kvm/vmx/vmx.h | 1 + 2 files changed, 9 insertions(+), 3 deletions(-) diff --git a/arch/x86/kvm/vmx/vmx.c b/arch/x86/kvm/vmx/vmx.c index 3e9bb9ae836d..b29be51b72b4 100644 --- a/arch/x86/kvm/vmx/vmx.c +++ b/arch/x86/kvm/vmx/vmx.c @@ -4738,14 +4738,19 @@ static int vmx_nmi_allowed(struct kvm_vcpu *vcpu, bool for_injection) return !vmx_nmi_blocked(vcpu); } +bool __vmx_interrupt_blocked(struct kvm_vcpu *vcpu) +{ + return !(vmx_get_rflags(vcpu) & X86_EFLAGS_IF) || + (vmcs_read32(GUEST_INTERRUPTIBILITY_INFO) & + (GUEST_INTR_STATE_STI | GUEST_INTR_STATE_MOV_SS)); +} + bool vmx_interrupt_blocked(struct kvm_vcpu *vcpu) { if (is_guest_mode(vcpu) && nested_exit_on_intr(vcpu)) return false; - return !(vmx_get_rflags(vcpu) & X86_EFLAGS_IF) || - (vmcs_read32(GUEST_INTERRUPTIBILITY_INFO) & - (GUEST_INTR_STATE_STI | GUEST_INTR_STATE_MOV_SS)); + return __vmx_interrupt_blocked(vcpu); } static int vmx_interrupt_allowed(struct kvm_vcpu *vcpu, bool for_injection) diff --git a/arch/x86/kvm/vmx/vmx.h b/arch/x86/kvm/vmx/vmx.h index ed4b6da83aa8..811d7ef4638b 100644 --- a/arch/x86/kvm/vmx/vmx.h +++ b/arch/x86/kvm/vmx/vmx.h @@ -359,6 +359,7 @@ bool vmx_guest_inject_ac(struct kvm_vcpu *vcpu); void update_exception_bitmap(struct kvm_vcpu *vcpu); void vmx_update_msr_bitmap(struct kvm_vcpu *vcpu); bool vmx_nmi_blocked(struct kvm_vcpu *vcpu); +bool __vmx_interrupt_blocked(struct kvm_vcpu *vcpu); bool vmx_interrupt_blocked(struct kvm_vcpu *vcpu); bool vmx_get_nmi_mask(struct kvm_vcpu *vcpu); void vmx_set_nmi_mask(struct kvm_vcpu *vcpu, bool masked); From 43aab4483daa1a210b327392f5e0a55bea8f3614 Mon Sep 17 00:00:00 2001 From: Alan Stern Date: Thu, 6 Jun 2024 09:57:55 -0400 Subject: [PATCH 142/702] tools/memory-model: Fix bug in lock.cat commit 4c830eef806679dc243e191f962c488dd9d00708 upstream. Andrea reported that the following innocuous litmus test: C T {} P0(spinlock_t *x) { int r0; spin_lock(x); spin_unlock(x); r0 = spin_is_locked(x); } gives rise to a nonsensical empty result with no executions: $ herd7 -conf linux-kernel.cfg T.litmus Test T Required States 0 Ok Witnesses Positive: 0 Negative: 0 Condition forall (true) Observation T Never 0 0 Time T 0.00 Hash=6fa204e139ddddf2cb6fa963bad117c0 The problem is caused by a bug in the lock.cat part of the LKMM. Its computation of the rf relation for RU (read-unlocked) events is faulty; it implicitly assumes that every RU event must read from either a UL (unlock) event in another thread or from the lock's initial state. Neither is true in the litmus test above, so the computation yields no possible executions. The lock.cat code tries to make up for this deficiency by allowing RU events outside of critical sections to read from the last po-previous UL event. But it does this incorrectly, trying to keep these rfi links separate from the rfe links that might also be needed, and passing only the latter to herd7's cross() macro. The problem is fixed by merging the two sets of possible rf links for RU events and using them all in the call to cross(). Signed-off-by: Alan Stern Reported-by: Andrea Parri Closes: https://lore.kernel.org/linux-arch/ZlC0IkzpQdeGj+a3@andrea/ Tested-by: Andrea Parri Acked-by: Andrea Parri Fixes: 15553dcbca06 ("tools/memory-model: Add model support for spin_is_locked()") CC: Signed-off-by: Paul E. McKenney Signed-off-by: Greg Kroah-Hartman --- tools/memory-model/lock.cat | 20 ++++++++++---------- 1 file changed, 10 insertions(+), 10 deletions(-) diff --git a/tools/memory-model/lock.cat b/tools/memory-model/lock.cat index 6b52f365d73a..9f3b5b38221b 100644 --- a/tools/memory-model/lock.cat +++ b/tools/memory-model/lock.cat @@ -102,19 +102,19 @@ let rf-lf = rfe-lf | rfi-lf * within one of the lock's critical sections returns False. *) -(* rfi for RU events: an RU may read from the last po-previous UL *) -let rfi-ru = ([UL] ; po-loc ; [RU]) \ ([UL] ; po-loc ; [LKW] ; po-loc) - -(* rfe for RU events: an RU may read from an external UL or the initial write *) -let all-possible-rfe-ru = - let possible-rfe-ru r = +(* + * rf for RU events: an RU may read from an external UL or the initial write, + * or from the last po-previous UL + *) +let all-possible-rf-ru = + let possible-rf-ru r = let pair-to-relation p = p ++ 0 - in map pair-to-relation (((UL | IW) * {r}) & loc & ext) - in map possible-rfe-ru RU + in map pair-to-relation ((((UL | IW) * {r}) & loc & ext) | + (((UL * {r}) & po-loc) \ ([UL] ; po-loc ; [LKW] ; po-loc))) + in map possible-rf-ru RU (* Generate all rf relations for RU events *) -with rfe-ru from cross(all-possible-rfe-ru) -let rf-ru = rfe-ru | rfi-ru +with rf-ru from cross(all-possible-rf-ru) (* Final rf relation *) let rf = rf | rf-lf | rf-ru From af1d27f88ec908bf85058ee1a8368a42469ad395 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Ilpo=20J=C3=A4rvinen?= Date: Mon, 27 May 2024 16:26:15 +0300 Subject: [PATCH 143/702] hwrng: amd - Convert PCIBIOS_* return codes to errnos MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit commit 14cba6ace79627a57fb9058582b03f0ed3832390 upstream. amd_rng_mod_init() uses pci_read_config_dword() that returns PCIBIOS_* codes. The return code is then returned as is but amd_rng_mod_init() is a module_init() function that should return normal errnos. Convert PCIBIOS_* returns code using pcibios_err_to_errno() into normal errno before returning it. Fixes: 96d63c0297cc ("[PATCH] Add AMD HW RNG driver") Cc: stable@vger.kernel.org Signed-off-by: Ilpo Järvinen Signed-off-by: Herbert Xu Signed-off-by: Greg Kroah-Hartman --- drivers/char/hw_random/amd-rng.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/drivers/char/hw_random/amd-rng.c b/drivers/char/hw_random/amd-rng.c index db3dd467194c..3f3fdf6ee3d5 100644 --- a/drivers/char/hw_random/amd-rng.c +++ b/drivers/char/hw_random/amd-rng.c @@ -142,8 +142,10 @@ static int __init mod_init(void) found: err = pci_read_config_dword(pdev, 0x58, &pmbase); - if (err) + if (err) { + err = pcibios_err_to_errno(err); goto put_dev; + } pmbase &= 0x0000FF00; if (pmbase == 0) { From e5bae95306f75014cb07594bef56ac4cd4c3110b Mon Sep 17 00:00:00 2001 From: Wei Liu Date: Mon, 1 Jul 2024 20:26:05 +0000 Subject: [PATCH 144/702] PCI: hv: Return zero, not garbage, when reading PCI_INTERRUPT_PIN MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit commit fea93a3e5d5e6a09eb153866d2ce60ea3287a70d upstream. The intent of the code snippet is to always return 0 for both PCI_INTERRUPT_LINE and PCI_INTERRUPT_PIN. The check misses PCI_INTERRUPT_PIN. This patch fixes that. This is discovered by this call in VFIO: pci_read_config_byte(vdev->pdev, PCI_INTERRUPT_PIN, &pin); The old code does not set *val to 0 because it misses the check for PCI_INTERRUPT_PIN. Garbage is returned in that case. Fixes: 4daace0d8ce8 ("PCI: hv: Add paravirtual PCI front-end for Microsoft Hyper-V VMs") Link: https://lore.kernel.org/linux-pci/20240701202606.129606-1-wei.liu@kernel.org Signed-off-by: Wei Liu Signed-off-by: Krzysztof Wilczyński Reviewed-by: Michael Kelley Cc: stable@kernel.org Signed-off-by: Greg Kroah-Hartman --- drivers/pci/controller/pci-hyperv.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/pci/controller/pci-hyperv.c b/drivers/pci/controller/pci-hyperv.c index 2d6c77dcc815..d0b3ec237385 100644 --- a/drivers/pci/controller/pci-hyperv.c +++ b/drivers/pci/controller/pci-hyperv.c @@ -680,8 +680,8 @@ static void _hv_pcifront_read_config(struct hv_pci_dev *hpdev, int where, PCI_CAPABILITY_LIST) { /* ROM BARs are unimplemented */ *val = 0; - } else if (where >= PCI_INTERRUPT_LINE && where + size <= - PCI_INTERRUPT_PIN) { + } else if ((where >= PCI_INTERRUPT_LINE && where + size <= PCI_INTERRUPT_PIN) || + (where >= PCI_INTERRUPT_PIN && where + size <= PCI_MIN_GNT)) { /* * Interrupt Line and Interrupt PIN are hard-wired to zero * because this front-end only supports message-signaled From ac2459460ce794bd79931ffd9af36055207bb69f Mon Sep 17 00:00:00 2001 From: Manivannan Sadhasivam Date: Tue, 16 Apr 2024 11:12:35 +0530 Subject: [PATCH 145/702] PCI: rockchip: Use GPIOD_OUT_LOW flag while requesting ep_gpio MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit commit 840b7a5edf88fe678c60dee88a135647c0ea4375 upstream. Rockchip platforms use 'GPIO_ACTIVE_HIGH' flag in the devicetree definition for ep_gpio. This means, whatever the logical value set by the driver for the ep_gpio, physical line will output the same logic level. For instance, gpiod_set_value_cansleep(rockchip->ep_gpio, 0); --> Level low gpiod_set_value_cansleep(rockchip->ep_gpio, 1); --> Level high But while requesting the ep_gpio, GPIOD_OUT_HIGH flag is currently used. Now, this also causes the physical line to output 'high' creating trouble for endpoint devices during host reboot. When host reboot happens, the ep_gpio will initially output 'low' due to the GPIO getting reset to its POR value. Then during host controller probe, it will output 'high' due to GPIOD_OUT_HIGH flag. Then during rockchip_pcie_host_init_port(), it will first output 'low' and then 'high' indicating the completion of controller initialization. On the endpoint side, each output 'low' of ep_gpio is accounted for PERST# assert and 'high' for PERST# deassert. With the above mentioned flow during host reboot, endpoint will witness below state changes for PERST#: (1) PERST# assert - GPIO POR state (2) PERST# deassert - GPIOD_OUT_HIGH while requesting GPIO (3) PERST# assert - rockchip_pcie_host_init_port() (4) PERST# deassert - rockchip_pcie_host_init_port() Now the time interval between (2) and (3) is very short as both happen during the driver probe(), and this results in a race in the endpoint. Because, before completing the PERST# deassertion in (2), endpoint got another PERST# assert in (3). A proper way to fix this issue is to change the GPIOD_OUT_HIGH flag in (2) to GPIOD_OUT_LOW. Because the usual convention is to request the GPIO with a state corresponding to its 'initial/default' value and let the driver change the state of the GPIO when required. As per that, the ep_gpio should be requested with GPIOD_OUT_LOW as it corresponds to the POR value of '0' (PERST# assert in the endpoint). Then the driver can change the state of the ep_gpio later in rockchip_pcie_host_init_port() as per the initialization sequence. This fixes the firmware crash issue in Qcom based modems connected to Rockpro64 based board. Fixes: e77f847df54c ("PCI: rockchip: Add Rockchip PCIe controller support") Closes: https://lore.kernel.org/mhi/20240402045647.GG2933@thinkpad/ Link: https://lore.kernel.org/linux-pci/20240416-pci-rockchip-perst-fix-v1-1-4800b1d4d954@linaro.org Reported-by: Slark Xiao Signed-off-by: Manivannan Sadhasivam Signed-off-by: Krzysztof Wilczyński Signed-off-by: Bjorn Helgaas Reviewed-by: Niklas Cassel Cc: stable@vger.kernel.org # v4.9 Signed-off-by: Greg Kroah-Hartman --- drivers/pci/controller/pcie-rockchip.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/pci/controller/pcie-rockchip.c b/drivers/pci/controller/pcie-rockchip.c index 1aa84035a8bc..bdce1ba7c1bc 100644 --- a/drivers/pci/controller/pcie-rockchip.c +++ b/drivers/pci/controller/pcie-rockchip.c @@ -120,7 +120,7 @@ int rockchip_pcie_parse_dt(struct rockchip_pcie *rockchip) if (rockchip->is_rc) { rockchip->ep_gpio = devm_gpiod_get_optional(dev, "ep", - GPIOD_OUT_HIGH); + GPIOD_OUT_LOW); if (IS_ERR(rockchip->ep_gpio)) return dev_err_probe(dev, PTR_ERR(rockchip->ep_gpio), "failed to get ep GPIO\n"); From 388ee7a4d33045933553542aec4530d859db7c29 Mon Sep 17 00:00:00 2001 From: Carlos Llamas Date: Thu, 11 Jul 2024 20:14:51 +0000 Subject: [PATCH 146/702] binder: fix hang of unregistered readers MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit commit 31643d84b8c3d9c846aa0e20bc033e46c68c7e7d upstream. With the introduction of binder_available_for_proc_work_ilocked() in commit 1b77e9dcc3da ("ANDROID: binder: remove proc waitqueue") a binder thread can only "wait_for_proc_work" after its thread->looper has been marked as BINDER_LOOPER_STATE_{ENTERED|REGISTERED}. This means an unregistered reader risks waiting indefinitely for work since it never gets added to the proc->waiting_threads. If there are no further references to its waitqueue either the task will hang. The same applies to readers using the (e)poll interface. I couldn't find the rationale behind this restriction. So this patch restores the previous behavior of allowing unregistered threads to "wait_for_proc_work". Note that an error message for this scenario, which had previously become unreachable, is now re-enabled. Fixes: 1b77e9dcc3da ("ANDROID: binder: remove proc waitqueue") Cc: stable@vger.kernel.org Cc: Martijn Coenen Cc: Arve Hjønnevåg Signed-off-by: Carlos Llamas Link: https://lore.kernel.org/r/20240711201452.2017543-1-cmllamas@google.com Signed-off-by: Greg Kroah-Hartman --- drivers/android/binder.c | 4 +--- 1 file changed, 1 insertion(+), 3 deletions(-) diff --git a/drivers/android/binder.c b/drivers/android/binder.c index 6631a65f632b..cd3de4ec1767 100644 --- a/drivers/android/binder.c +++ b/drivers/android/binder.c @@ -928,9 +928,7 @@ static bool binder_has_work(struct binder_thread *thread, bool do_proc_work) static bool binder_available_for_proc_work_ilocked(struct binder_thread *thread) { return !thread->transaction_stack && - binder_worklist_empty_ilocked(&thread->todo) && - (thread->looper & (BINDER_LOOPER_STATE_ENTERED | - BINDER_LOOPER_STATE_REGISTERED)); + binder_worklist_empty_ilocked(&thread->todo); } static void binder_wakeup_poll_threads_ilocked(struct binder_proc *proc, From a44f88f7576bc1916d8d6293f5c62fbe7cbe03e0 Mon Sep 17 00:00:00 2001 From: tuhaowen Date: Mon, 8 Jul 2024 16:04:30 +0800 Subject: [PATCH 147/702] dev/parport: fix the array out-of-bounds risk commit ab11dac93d2d568d151b1918d7b84c2d02bacbd5 upstream. Fixed array out-of-bounds issues caused by sprintf by replacing it with snprintf for safer data copying, ensuring the destination buffer is not overflowed. Below is the stack trace I encountered during the actual issue: [ 66.575408s] [pid:5118,cpu4,QThread,4]Kernel panic - not syncing: stack-protector: Kernel stack is corrupted in: do_hardware_base_addr+0xcc/0xd0 [parport] [ 66.575408s] [pid:5118,cpu4,QThread,5]CPU: 4 PID: 5118 Comm: QThread Tainted: G S W O 5.10.97-arm64-desktop #7100.57021.2 [ 66.575439s] [pid:5118,cpu4,QThread,6]TGID: 5087 Comm: EFileApp [ 66.575439s] [pid:5118,cpu4,QThread,7]Hardware name: HUAWEI HUAWEI QingYun PGUX-W515x-B081/SP1PANGUXM, BIOS 1.00.07 04/29/2024 [ 66.575439s] [pid:5118,cpu4,QThread,8]Call trace: [ 66.575469s] [pid:5118,cpu4,QThread,9] dump_backtrace+0x0/0x1c0 [ 66.575469s] [pid:5118,cpu4,QThread,0] show_stack+0x14/0x20 [ 66.575469s] [pid:5118,cpu4,QThread,1] dump_stack+0xd4/0x10c [ 66.575500s] [pid:5118,cpu4,QThread,2] panic+0x1d8/0x3bc [ 66.575500s] [pid:5118,cpu4,QThread,3] __stack_chk_fail+0x2c/0x38 [ 66.575500s] [pid:5118,cpu4,QThread,4] do_hardware_base_addr+0xcc/0xd0 [parport] Signed-off-by: tuhaowen Cc: stable Link: https://lore.kernel.org/r/20240708080430.8221-1-tuhaowen@uniontech.com Signed-off-by: Greg Kroah-Hartman --- drivers/parport/procfs.c | 24 ++++++++++++------------ 1 file changed, 12 insertions(+), 12 deletions(-) diff --git a/drivers/parport/procfs.c b/drivers/parport/procfs.c index d740eba3c099..8400a379186e 100644 --- a/drivers/parport/procfs.c +++ b/drivers/parport/procfs.c @@ -51,12 +51,12 @@ static int do_active_device(struct ctl_table *table, int write, for (dev = port->devices; dev ; dev = dev->next) { if(dev == port->cad) { - len += sprintf(buffer, "%s\n", dev->name); + len += snprintf(buffer, sizeof(buffer), "%s\n", dev->name); } } if(!len) { - len += sprintf(buffer, "%s\n", "none"); + len += snprintf(buffer, sizeof(buffer), "%s\n", "none"); } if (len > *lenp) @@ -87,19 +87,19 @@ static int do_autoprobe(struct ctl_table *table, int write, } if ((str = info->class_name) != NULL) - len += sprintf (buffer + len, "CLASS:%s;\n", str); + len += snprintf (buffer + len, sizeof(buffer) - len, "CLASS:%s;\n", str); if ((str = info->model) != NULL) - len += sprintf (buffer + len, "MODEL:%s;\n", str); + len += snprintf (buffer + len, sizeof(buffer) - len, "MODEL:%s;\n", str); if ((str = info->mfr) != NULL) - len += sprintf (buffer + len, "MANUFACTURER:%s;\n", str); + len += snprintf (buffer + len, sizeof(buffer) - len, "MANUFACTURER:%s;\n", str); if ((str = info->description) != NULL) - len += sprintf (buffer + len, "DESCRIPTION:%s;\n", str); + len += snprintf (buffer + len, sizeof(buffer) - len, "DESCRIPTION:%s;\n", str); if ((str = info->cmdset) != NULL) - len += sprintf (buffer + len, "COMMAND SET:%s;\n", str); + len += snprintf (buffer + len, sizeof(buffer) - len, "COMMAND SET:%s;\n", str); if (len > *lenp) len = *lenp; @@ -117,7 +117,7 @@ static int do_hardware_base_addr(struct ctl_table *table, int write, void *result, size_t *lenp, loff_t *ppos) { struct parport *port = (struct parport *)table->extra1; - char buffer[20]; + char buffer[64]; int len = 0; if (*ppos) { @@ -128,7 +128,7 @@ static int do_hardware_base_addr(struct ctl_table *table, int write, if (write) /* permissions prevent this anyway */ return -EACCES; - len += sprintf (buffer, "%lu\t%lu\n", port->base, port->base_hi); + len += snprintf (buffer, sizeof(buffer), "%lu\t%lu\n", port->base, port->base_hi); if (len > *lenp) len = *lenp; @@ -155,7 +155,7 @@ static int do_hardware_irq(struct ctl_table *table, int write, if (write) /* permissions prevent this anyway */ return -EACCES; - len += sprintf (buffer, "%d\n", port->irq); + len += snprintf (buffer, sizeof(buffer), "%d\n", port->irq); if (len > *lenp) len = *lenp; @@ -182,7 +182,7 @@ static int do_hardware_dma(struct ctl_table *table, int write, if (write) /* permissions prevent this anyway */ return -EACCES; - len += sprintf (buffer, "%d\n", port->dma); + len += snprintf (buffer, sizeof(buffer), "%d\n", port->dma); if (len > *lenp) len = *lenp; @@ -213,7 +213,7 @@ static int do_hardware_modes(struct ctl_table *table, int write, #define printmode(x) \ do { \ if (port->modes & PARPORT_MODE_##x) \ - len += sprintf(buffer + len, "%s%s", f++ ? "," : "", #x); \ + len += snprintf(buffer + len, sizeof(buffer) - len, "%s%s", f++ ? "," : "", #x); \ } while (0) int f = 0; printmode(PCSPP); From b848b40794bac3851fec079ab7696380d2e05b71 Mon Sep 17 00:00:00 2001 From: Saurav Kashyap Date: Wed, 10 Jul 2024 22:40:50 +0530 Subject: [PATCH 148/702] scsi: qla2xxx: Return ENOBUFS if sg_cnt is more than one for ELS cmds commit ce2065c4cc4f05635413f63f6dc038d7d4842e31 upstream. Firmware only supports single DSDs in ELS Pass-through IOCB (0x53h), sg cnt is decided by the SCSI ML. User is not aware of the cause of an acutal error. Return the appropriate return code that will be decoded by API and application and proper error message will be displayed to user. Fixes: 6e98016ca077 ("[SCSI] qla2xxx: Re-organized BSG interface specific code.") Cc: stable@vger.kernel.org Signed-off-by: Saurav Kashyap Signed-off-by: Nilesh Javali Link: https://lore.kernel.org/r/20240710171057.35066-5-njavali@marvell.com Reviewed-by: Himanshu Madhani Signed-off-by: Martin K. Petersen Signed-off-by: Greg Kroah-Hartman --- drivers/scsi/qla2xxx/qla_bsg.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/scsi/qla2xxx/qla_bsg.c b/drivers/scsi/qla2xxx/qla_bsg.c index 804cac4c3476..d415e816ad0e 100644 --- a/drivers/scsi/qla2xxx/qla_bsg.c +++ b/drivers/scsi/qla2xxx/qla_bsg.c @@ -306,7 +306,7 @@ qla2x00_process_els(struct bsg_job *bsg_job) "request_sg_cnt=%x reply_sg_cnt=%x.\n", bsg_job->request_payload.sg_cnt, bsg_job->reply_payload.sg_cnt); - rval = -EPERM; + rval = -ENOBUFS; goto done; } From 54bc4e88447e385c4d4ffa85d93e0dce628fcfa6 Mon Sep 17 00:00:00 2001 From: Chao Yu Date: Tue, 4 Jun 2024 15:56:36 +0800 Subject: [PATCH 149/702] f2fs: fix to don't dirty inode for readonly filesystem commit 192b8fb8d1c8ca3c87366ebbef599fa80bb626b8 upstream. syzbot reports f2fs bug as below: kernel BUG at fs/f2fs/inode.c:933! RIP: 0010:f2fs_evict_inode+0x1576/0x1590 fs/f2fs/inode.c:933 Call Trace: evict+0x2a4/0x620 fs/inode.c:664 dispose_list fs/inode.c:697 [inline] evict_inodes+0x5f8/0x690 fs/inode.c:747 generic_shutdown_super+0x9d/0x2c0 fs/super.c:675 kill_block_super+0x44/0x90 fs/super.c:1667 kill_f2fs_super+0x303/0x3b0 fs/f2fs/super.c:4894 deactivate_locked_super+0xc1/0x130 fs/super.c:484 cleanup_mnt+0x426/0x4c0 fs/namespace.c:1256 task_work_run+0x24a/0x300 kernel/task_work.c:180 ptrace_notify+0x2cd/0x380 kernel/signal.c:2399 ptrace_report_syscall include/linux/ptrace.h:411 [inline] ptrace_report_syscall_exit include/linux/ptrace.h:473 [inline] syscall_exit_work kernel/entry/common.c:251 [inline] syscall_exit_to_user_mode_prepare kernel/entry/common.c:278 [inline] __syscall_exit_to_user_mode_work kernel/entry/common.c:283 [inline] syscall_exit_to_user_mode+0x15c/0x280 kernel/entry/common.c:296 do_syscall_64+0x50/0x110 arch/x86/entry/common.c:88 entry_SYSCALL_64_after_hwframe+0x63/0x6b The root cause is: - do_sys_open - f2fs_lookup - __f2fs_find_entry - f2fs_i_depth_write - f2fs_mark_inode_dirty_sync - f2fs_dirty_inode - set_inode_flag(inode, FI_DIRTY_INODE) - umount - kill_f2fs_super - kill_block_super - generic_shutdown_super - sync_filesystem : sb is readonly, skip sync_filesystem() - evict_inodes - iput - f2fs_evict_inode - f2fs_bug_on(sbi, is_inode_flag_set(inode, FI_DIRTY_INODE)) : trigger kernel panic When we try to repair i_current_depth in readonly filesystem, let's skip dirty inode to avoid panic in later f2fs_evict_inode(). Cc: stable@vger.kernel.org Reported-by: syzbot+31e4659a3fe953aec2f4@syzkaller.appspotmail.com Closes: https://lore.kernel.org/linux-f2fs-devel/000000000000e890bc0609a55cff@google.com Signed-off-by: Chao Yu Signed-off-by: Jaegeuk Kim Signed-off-by: Greg Kroah-Hartman --- fs/f2fs/inode.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/fs/f2fs/inode.c b/fs/f2fs/inode.c index 724760353bcd..b23e6a848e9b 100644 --- a/fs/f2fs/inode.c +++ b/fs/f2fs/inode.c @@ -23,6 +23,9 @@ void f2fs_mark_inode_dirty_sync(struct inode *inode, bool sync) if (is_inode_flag_set(inode, FI_NEW_INODE)) return; + if (f2fs_readonly(F2FS_I_SB(inode)->sb)) + return; + if (f2fs_inode_dirtied(inode, sync)) return; From ae99754cd86bfbdba582b150032620c6803c621c Mon Sep 17 00:00:00 2001 From: Bastien Curutchet Date: Thu, 18 Jul 2024 13:55:34 +0200 Subject: [PATCH 150/702] clk: davinci: da8xx-cfgchip: Initialize clk_init_data before use commit a83b22754e351f13fb46596c85f667dc33da71ec upstream. The flag attribute of the struct clk_init_data isn't initialized before the devm_clk_hw_register() call. This can lead to unexpected behavior during registration. Initialize the entire clk_init_data to zero at declaration. Cc: stable@vger.kernel.org Fixes: 58e1e2d2cd89 ("clk: davinci: cfgchip: Add TI DA8XX USB PHY clocks") Signed-off-by: Bastien Curutchet Reviewed-by: David Lechner Link: https://lore.kernel.org/r/20240718115534.41513-1-bastien.curutchet@bootlin.com Signed-off-by: Stephen Boyd Signed-off-by: Greg Kroah-Hartman --- drivers/clk/davinci/da8xx-cfgchip.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/clk/davinci/da8xx-cfgchip.c b/drivers/clk/davinci/da8xx-cfgchip.c index 77d18276bfe8..90d96ee4a58b 100644 --- a/drivers/clk/davinci/da8xx-cfgchip.c +++ b/drivers/clk/davinci/da8xx-cfgchip.c @@ -505,7 +505,7 @@ da8xx_cfgchip_register_usb0_clk48(struct device *dev, const char * const parent_names[] = { "usb_refclkin", "pll0_auxclk" }; struct clk *fck_clk; struct da8xx_usb0_clk48 *usb0; - struct clk_init_data init; + struct clk_init_data init = {}; int ret; fck_clk = devm_clk_get(dev, "fck"); @@ -580,7 +580,7 @@ da8xx_cfgchip_register_usb1_clk48(struct device *dev, { const char * const parent_names[] = { "usb0_clk48", "usb_refclkin" }; struct da8xx_usb1_clk48 *usb1; - struct clk_init_data init; + struct clk_init_data init = {}; int ret; usb1 = devm_kzalloc(dev, sizeof(*usb1), GFP_KERNEL); From bed9580165d5c2cc4c3fc9d49eadac5212db70ee Mon Sep 17 00:00:00 2001 From: Fedor Pchelkin Date: Thu, 29 Feb 2024 23:42:36 +0300 Subject: [PATCH 151/702] ubi: eba: properly rollback inside self_check_eba commit 745d9f4a31defec731119ee8aad8ba9f2536dd9a upstream. In case of a memory allocation failure in the volumes loop we can only process the already allocated scan_eba and fm_eba array elements on the error path - others are still uninitialized. Found by Linux Verification Center (linuxtesting.org). Fixes: 00abf3041590 ("UBI: Add self_check_eba()") Cc: stable@vger.kernel.org Signed-off-by: Fedor Pchelkin Reviewed-by: Zhihao Cheng Signed-off-by: Richard Weinberger Signed-off-by: Greg Kroah-Hartman --- drivers/mtd/ubi/eba.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/drivers/mtd/ubi/eba.c b/drivers/mtd/ubi/eba.c index b4cdf2351cac..d33deb84b6ec 100644 --- a/drivers/mtd/ubi/eba.c +++ b/drivers/mtd/ubi/eba.c @@ -1560,6 +1560,7 @@ int self_check_eba(struct ubi_device *ubi, struct ubi_attach_info *ai_fastmap, GFP_KERNEL); if (!fm_eba[i]) { ret = -ENOMEM; + kfree(scan_eba[i]); goto out_free; } @@ -1595,7 +1596,7 @@ int self_check_eba(struct ubi_device *ubi, struct ubi_attach_info *ai_fastmap, } out_free: - for (i = 0; i < num_volumes; i++) { + while (--i >= 0) { if (!ubi->volumes[i]) continue; From 0730ea85027071ef0897ed50e6702e5c90ea7cfc Mon Sep 17 00:00:00 2001 From: Ross Lagerwall Date: Wed, 17 Jul 2024 17:20:16 +0100 Subject: [PATCH 152/702] decompress_bunzip2: fix rare decompression failure commit bf6acd5d16057d7accbbb1bf7dc6d8c56eeb4ecc upstream. The decompression code parses a huffman tree and counts the number of symbols for a given bit length. In rare cases, there may be >= 256 symbols with a given bit length, causing the unsigned char to overflow. This causes a decompression failure later when the code tries and fails to find the bit length for a given symbol. Since the maximum number of symbols is 258, use unsigned short instead. Link: https://lkml.kernel.org/r/20240717162016.1514077-1-ross.lagerwall@citrix.com Fixes: bc22c17e12c1 ("bzip2/lzma: library support for gzip, bzip2 and lzma decompression") Signed-off-by: Ross Lagerwall Cc: Alain Knaff Cc: "H. Peter Anvin" Cc: Signed-off-by: Andrew Morton Signed-off-by: Greg Kroah-Hartman --- lib/decompress_bunzip2.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/lib/decompress_bunzip2.c b/lib/decompress_bunzip2.c index c72c865032fa..0cc292256fd3 100644 --- a/lib/decompress_bunzip2.c +++ b/lib/decompress_bunzip2.c @@ -232,7 +232,8 @@ static int INIT get_next_block(struct bunzip_data *bd) RUNB) */ symCount = symTotal+2; for (j = 0; j < groupCount; j++) { - unsigned char length[MAX_SYMBOLS], temp[MAX_HUFCODE_BITS+1]; + unsigned char length[MAX_SYMBOLS]; + unsigned short temp[MAX_HUFCODE_BITS+1]; int minLen, maxLen, pp; /* Read Huffman code lengths for each symbol. They're stored in a way similar to mtf; record a starting From 41dd9636414bef6dc9ce8f8d84be3424e2952f3d Mon Sep 17 00:00:00 2001 From: Nathan Chancellor Date: Fri, 26 Jul 2024 11:05:00 -0700 Subject: [PATCH 153/702] kbuild: Fix '-S -c' in x86 stack protector scripts commit 3415b10a03945b0da4a635e146750dfe5ce0f448 upstream. After a recent change in clang to stop consuming all instances of '-S' and '-c' [1], the stack protector scripts break due to the kernel's use of -Werror=unused-command-line-argument to catch cases where flags are not being properly consumed by the compiler driver: $ echo | clang -o - -x c - -S -c -Werror=unused-command-line-argument clang: error: argument unused during compilation: '-c' [-Werror,-Wunused-command-line-argument] This results in CONFIG_STACKPROTECTOR getting disabled because CONFIG_CC_HAS_SANE_STACKPROTECTOR is no longer set. '-c' and '-S' both instruct the compiler to stop at different stages of the pipeline ('-S' after compiling, '-c' after assembling), so having them present together in the same command makes little sense. In this case, the test wants to stop before assembling because it is looking at the textual assembly output of the compiler for either '%fs' or '%gs', so remove '-c' from the list of arguments to resolve the error. All versions of GCC continue to work after this change, along with versions of clang that do or do not contain the change mentioned above. Cc: stable@vger.kernel.org Fixes: 4f7fd4d7a791 ("[PATCH] Add the -fstack-protector option to the CFLAGS") Fixes: 60a5317ff0f4 ("x86: implement x86_32 stack protector") Link: https://github.com/llvm/llvm-project/commit/6461e537815f7fa68cef06842505353cf5600e9c [1] Signed-off-by: Nathan Chancellor Signed-off-by: Masahiro Yamada Signed-off-by: Greg Kroah-Hartman --- scripts/gcc-x86_32-has-stack-protector.sh | 2 +- scripts/gcc-x86_64-has-stack-protector.sh | 2 +- 2 files changed, 2 insertions(+), 2 deletions(-) diff --git a/scripts/gcc-x86_32-has-stack-protector.sh b/scripts/gcc-x86_32-has-stack-protector.sh index 825c75c5b715..9459ca4f0f11 100755 --- a/scripts/gcc-x86_32-has-stack-protector.sh +++ b/scripts/gcc-x86_32-has-stack-protector.sh @@ -5,4 +5,4 @@ # -mstack-protector-guard-reg, added by # https://gcc.gnu.org/bugzilla/show_bug.cgi?id=81708 -echo "int foo(void) { char X[200]; return 3; }" | $* -S -x c -c -m32 -O0 -fstack-protector -mstack-protector-guard-reg=fs -mstack-protector-guard-symbol=__stack_chk_guard - -o - 2> /dev/null | grep -q "%fs" +echo "int foo(void) { char X[200]; return 3; }" | $* -S -x c -m32 -O0 -fstack-protector -mstack-protector-guard-reg=fs -mstack-protector-guard-symbol=__stack_chk_guard - -o - 2> /dev/null | grep -q "%fs" diff --git a/scripts/gcc-x86_64-has-stack-protector.sh b/scripts/gcc-x86_64-has-stack-protector.sh index 75e4e22b986a..f680bb01aeeb 100755 --- a/scripts/gcc-x86_64-has-stack-protector.sh +++ b/scripts/gcc-x86_64-has-stack-protector.sh @@ -1,4 +1,4 @@ #!/bin/sh # SPDX-License-Identifier: GPL-2.0 -echo "int foo(void) { char X[200]; return 3; }" | $* -S -x c -c -m64 -O0 -mcmodel=kernel -fno-PIE -fstack-protector - -o - 2> /dev/null | grep -q "%gs" +echo "int foo(void) { char X[200]; return 3; }" | $* -S -x c -m64 -O0 -mcmodel=kernel -fno-PIE -fstack-protector - -o - 2> /dev/null | grep -q "%gs" From 648d5490460d38436640da0812bf7f6351c150d2 Mon Sep 17 00:00:00 2001 From: Zijun Hu Date: Thu, 30 May 2024 21:14:37 +0800 Subject: [PATCH 154/702] kobject_uevent: Fix OOB access within zap_modalias_env() commit dd6e9894b451e7c85cceb8e9dc5432679a70e7dc upstream. zap_modalias_env() wrongly calculates size of memory block to move, so will cause OOB memory access issue if variable MODALIAS is not the last one within its @env parameter, fixed by correcting size to memmove. Fixes: 9b3fa47d4a76 ("kobject: fix suppressing modalias in uevents delivered over netlink") Cc: stable@vger.kernel.org Signed-off-by: Zijun Hu Reviewed-by: Lk Sii Link: https://lore.kernel.org/r/1717074877-11352-1-git-send-email-quic_zijuhu@quicinc.com Signed-off-by: Greg Kroah-Hartman --- lib/kobject_uevent.c | 17 ++++++++++++++++- 1 file changed, 16 insertions(+), 1 deletion(-) diff --git a/lib/kobject_uevent.c b/lib/kobject_uevent.c index c87d5b6a8a55..38716b2eb671 100644 --- a/lib/kobject_uevent.c +++ b/lib/kobject_uevent.c @@ -432,8 +432,23 @@ static void zap_modalias_env(struct kobj_uevent_env *env) len = strlen(env->envp[i]) + 1; if (i != env->envp_idx - 1) { + /* @env->envp[] contains pointers to @env->buf[] + * with @env->buflen chars, and we are removing + * variable MODALIAS here pointed by @env->envp[i] + * with length @len as shown below: + * + * 0 @env->buf[] @env->buflen + * --------------------------------------------- + * ^ ^ ^ ^ + * | |-> @len <-| target block | + * @env->envp[0] @env->envp[i] @env->envp[i + 1] + * + * so the "target block" indicated above is moved + * backward by @len, and its right size is + * @env->buflen - (@env->envp[i + 1] - @env->envp[0]). + */ memmove(env->envp[i], env->envp[i + 1], - env->buflen - len); + env->buflen - (env->envp[i + 1] - env->envp[0])); for (j = i; j < env->envp_idx - 1; j++) env->envp[j] = env->envp[j + 1] - len; From d4d814159f535865c4f263262fcd41d5013c862d Mon Sep 17 00:00:00 2001 From: Zijun Hu Date: Tue, 2 Jul 2024 22:51:50 +0800 Subject: [PATCH 155/702] devres: Fix devm_krealloc() wasting memory commit c884e3249f753dcef7a2b2023541ac1dc46b318e upstream. Driver API devm_krealloc() calls alloc_dr() with wrong argument @total_new_size, so causes more memory to be allocated than required fix this memory waste by using @new_size as the argument for alloc_dr(). Fixes: f82485722e5d ("devres: provide devm_krealloc()") Cc: stable@vger.kernel.org Signed-off-by: Zijun Hu Link: https://lore.kernel.org/r/1719931914-19035-2-git-send-email-quic_zijuhu@quicinc.com Signed-off-by: Greg Kroah-Hartman --- drivers/base/devres.c | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-) diff --git a/drivers/base/devres.c b/drivers/base/devres.c index 586e9a75c840..452541ce0dc8 100644 --- a/drivers/base/devres.c +++ b/drivers/base/devres.c @@ -901,9 +901,12 @@ void *devm_krealloc(struct device *dev, void *ptr, size_t new_size, gfp_t gfp) /* * Otherwise: allocate new, larger chunk. We need to allocate before * taking the lock as most probably the caller uses GFP_KERNEL. + * alloc_dr() will call check_dr_size() to reserve extra memory + * for struct devres automatically, so size @new_size user request + * is delivered to it directly as devm_kmalloc() does. */ new_dr = alloc_dr(devm_kmalloc_release, - total_new_size, gfp, dev_to_node(dev)); + new_size, gfp, dev_to_node(dev)); if (!new_dr) return NULL; From 2fcd485289c858d78e7119ca40577bc5c9efbc71 Mon Sep 17 00:00:00 2001 From: Joy Chakraborty Date: Wed, 12 Jun 2024 08:36:35 +0000 Subject: [PATCH 156/702] rtc: cmos: Fix return value of nvmem callbacks commit 1c184baccf0d5e2ef4cc1562261d0e48508a1c2b upstream. Read/write callbacks registered with nvmem core expect 0 to be returned on success and a negative value to be returned on failure. cmos_nvram_read()/cmos_nvram_write() currently return the number of bytes read or written, fix to return 0 on success and -EIO incase number of bytes requested was not read or written. Fixes: 8b5b7958fd1c ("rtc: cmos: use generic nvmem") Cc: stable@vger.kernel.org Signed-off-by: Joy Chakraborty Reviewed-by: Dan Carpenter Link: https://lore.kernel.org/r/20240612083635.1253039-1-joychakr@google.com Signed-off-by: Alexandre Belloni Signed-off-by: Greg Kroah-Hartman --- drivers/rtc/rtc-cmos.c | 10 ++++------ 1 file changed, 4 insertions(+), 6 deletions(-) diff --git a/drivers/rtc/rtc-cmos.c b/drivers/rtc/rtc-cmos.c index 2c4ccab6e462..a55a1cff2ef0 100644 --- a/drivers/rtc/rtc-cmos.c +++ b/drivers/rtc/rtc-cmos.c @@ -649,11 +649,10 @@ static int cmos_nvram_read(void *priv, unsigned int off, void *val, size_t count) { unsigned char *buf = val; - int retval; off += NVRAM_OFFSET; spin_lock_irq(&rtc_lock); - for (retval = 0; count; count--, off++, retval++) { + for (; count; count--, off++) { if (off < 128) *buf++ = CMOS_READ(off); else if (can_bank2) @@ -663,7 +662,7 @@ static int cmos_nvram_read(void *priv, unsigned int off, void *val, } spin_unlock_irq(&rtc_lock); - return retval; + return count ? -EIO : 0; } static int cmos_nvram_write(void *priv, unsigned int off, void *val, @@ -671,7 +670,6 @@ static int cmos_nvram_write(void *priv, unsigned int off, void *val, { struct cmos_rtc *cmos = priv; unsigned char *buf = val; - int retval; /* NOTE: on at least PCs and Ataris, the boot firmware uses a * checksum on part of the NVRAM data. That's currently ignored @@ -680,7 +678,7 @@ static int cmos_nvram_write(void *priv, unsigned int off, void *val, */ off += NVRAM_OFFSET; spin_lock_irq(&rtc_lock); - for (retval = 0; count; count--, off++, retval++) { + for (; count; count--, off++) { /* don't trash RTC registers */ if (off == cmos->day_alrm || off == cmos->mon_alrm @@ -695,7 +693,7 @@ static int cmos_nvram_write(void *priv, unsigned int off, void *val, } spin_unlock_irq(&rtc_lock); - return retval; + return count ? -EIO : 0; } /*----------------------------------------------------------------*/ From e5ed6a26ffdec0c91cf0b6138afbd675c00ad5fc Mon Sep 17 00:00:00 2001 From: Manish Rangankar Date: Wed, 10 Jul 2024 22:40:53 +0530 Subject: [PATCH 157/702] scsi: qla2xxx: During vport delete send async logout explicitly commit 76f480d7c717368f29a3870f7d64471ce0ff8fb2 upstream. During vport delete, it is observed that during unload we hit a crash because of stale entries in outstanding command array. For all these stale I/O entries, eh_abort was issued and aborted (fast_fail_io = 2009h) but I/Os could not complete while vport delete is in process of deleting. BUG: kernel NULL pointer dereference, address: 000000000000001c #PF: supervisor read access in kernel mode #PF: error_code(0x0000) - not-present page PGD 0 P4D 0 Oops: 0000 [#1] PREEMPT SMP NOPTI Workqueue: qla2xxx_wq qla_do_work [qla2xxx] RIP: 0010:dma_direct_unmap_sg+0x51/0x1e0 RSP: 0018:ffffa1e1e150fc68 EFLAGS: 00010046 RAX: 0000000000000000 RBX: 0000000000000021 RCX: 0000000000000001 RDX: 0000000000000021 RSI: 0000000000000000 RDI: ffff8ce208a7a0d0 RBP: ffff8ce208a7a0d0 R08: 0000000000000000 R09: ffff8ce378aac9c8 R10: ffff8ce378aac8a0 R11: ffffa1e1e150f9d8 R12: 0000000000000000 R13: 0000000000000000 R14: ffff8ce378aac9c8 R15: 0000000000000000 FS: 0000000000000000(0000) GS:ffff8d217f000000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000000000000001c CR3: 0000002089acc000 CR4: 0000000000350ee0 Call Trace: qla2xxx_qpair_sp_free_dma+0x417/0x4e0 ? qla2xxx_qpair_sp_compl+0x10d/0x1a0 ? qla2x00_status_entry+0x768/0x2830 ? newidle_balance+0x2f0/0x430 ? dequeue_entity+0x100/0x3c0 ? qla24xx_process_response_queue+0x6a1/0x19e0 ? __schedule+0x2d5/0x1140 ? qla_do_work+0x47/0x60 ? process_one_work+0x267/0x440 ? process_one_work+0x440/0x440 ? worker_thread+0x2d/0x3d0 ? process_one_work+0x440/0x440 ? kthread+0x156/0x180 ? set_kthread_struct+0x50/0x50 ? ret_from_fork+0x22/0x30 Send out async logout explicitly for all the ports during vport delete. Cc: stable@vger.kernel.org Signed-off-by: Manish Rangankar Signed-off-by: Nilesh Javali Link: https://lore.kernel.org/r/20240710171057.35066-8-njavali@marvell.com Reviewed-by: Himanshu Madhani Signed-off-by: Martin K. Petersen Signed-off-by: Greg Kroah-Hartman --- drivers/scsi/qla2xxx/qla_mid.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/scsi/qla2xxx/qla_mid.c b/drivers/scsi/qla2xxx/qla_mid.c index c7caf322f445..b98c390b4b27 100644 --- a/drivers/scsi/qla2xxx/qla_mid.c +++ b/drivers/scsi/qla2xxx/qla_mid.c @@ -164,7 +164,7 @@ qla24xx_disable_vp(scsi_qla_host_t *vha) atomic_set(&vha->loop_state, LOOP_DOWN); atomic_set(&vha->loop_down_timer, LOOP_DOWN_TIME); list_for_each_entry(fcport, &vha->vp_fcports, list) - fcport->logout_on_delete = 0; + fcport->logout_on_delete = 1; qla2x00_mark_all_devices_lost(vha); From 87db8d7b7520e99de71791260989f06f9c94953d Mon Sep 17 00:00:00 2001 From: Shreyas Deodhar Date: Wed, 10 Jul 2024 22:40:49 +0530 Subject: [PATCH 158/702] scsi: qla2xxx: Fix for possible memory corruption commit c03d740152f78e86945a75b2ad541bf972fab92a upstream. Init Control Block is dereferenced incorrectly. Correctly dereference ICB Cc: stable@vger.kernel.org Signed-off-by: Shreyas Deodhar Signed-off-by: Nilesh Javali Link: https://lore.kernel.org/r/20240710171057.35066-4-njavali@marvell.com Reviewed-by: Himanshu Madhani Signed-off-by: Martin K. Petersen Signed-off-by: Greg Kroah-Hartman --- drivers/scsi/qla2xxx/qla_os.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/scsi/qla2xxx/qla_os.c b/drivers/scsi/qla2xxx/qla_os.c index 0930bf996cd3..945b9b5e0971 100644 --- a/drivers/scsi/qla2xxx/qla_os.c +++ b/drivers/scsi/qla2xxx/qla_os.c @@ -4453,7 +4453,7 @@ static void qla2x00_number_of_exch(scsi_qla_host_t *vha, u32 *ret_cnt, u16 max_cnt) { u32 temp; - struct init_cb_81xx *icb = (struct init_cb_81xx *)&vha->hw->init_cb; + struct init_cb_81xx *icb = (struct init_cb_81xx *)vha->hw->init_cb; *ret_cnt = FW_DEF_EXCHANGES_CNT; if (max_cnt > vha->hw->max_exchg) From b0c39dcbd8a53c6d7e4d52aa77c7a2b89d94b000 Mon Sep 17 00:00:00 2001 From: Quinn Tran Date: Wed, 10 Jul 2024 22:40:51 +0530 Subject: [PATCH 159/702] scsi: qla2xxx: Fix flash read failure commit 29e222085d8907ccff18ecd931bdd4c6b1f11b92 upstream. Link up failure is observed as a result of flash read failure. Current code does not check flash read return code where it relies on FW checksum to detect the problem. Add check of flash read failure to detect the problem sooner. Reported-by: kernel test robot Reported-by: Dan Carpenter Closes: https://lore.kernel.org/all/202406210815.rPDRDMBi-lkp@intel.com/ Cc: stable@vger.kernel.org Signed-off-by: Quinn Tran Signed-off-by: Nilesh Javali Link: https://lore.kernel.org/r/20240710171057.35066-6-njavali@marvell.com Reviewed-by: Himanshu Madhani Signed-off-by: Martin K. Petersen Signed-off-by: Greg Kroah-Hartman --- drivers/scsi/qla2xxx/qla_init.c | 63 +++++++++++++++---- drivers/scsi/qla2xxx/qla_sup.c | 108 ++++++++++++++++++++++---------- 2 files changed, 125 insertions(+), 46 deletions(-) diff --git a/drivers/scsi/qla2xxx/qla_init.c b/drivers/scsi/qla2xxx/qla_init.c index 8d54f6099802..affb3bc39006 100644 --- a/drivers/scsi/qla2xxx/qla_init.c +++ b/drivers/scsi/qla2xxx/qla_init.c @@ -7696,15 +7696,21 @@ qla28xx_get_aux_images( struct qla27xx_image_status pri_aux_image_status, sec_aux_image_status; bool valid_pri_image = false, valid_sec_image = false; bool active_pri_image = false, active_sec_image = false; + int rc; if (!ha->flt_region_aux_img_status_pri) { ql_dbg(ql_dbg_init, vha, 0x018a, "Primary aux image not addressed\n"); goto check_sec_image; } - qla24xx_read_flash_data(vha, (uint32_t *)&pri_aux_image_status, + rc = qla24xx_read_flash_data(vha, (uint32_t *)&pri_aux_image_status, ha->flt_region_aux_img_status_pri, sizeof(pri_aux_image_status) >> 2); + if (rc) { + ql_log(ql_log_info, vha, 0x01a1, + "Unable to read Primary aux image(%x).\n", rc); + goto check_sec_image; + } qla27xx_print_image(vha, "Primary aux image", &pri_aux_image_status); if (qla28xx_check_aux_image_status_signature(&pri_aux_image_status)) { @@ -7735,9 +7741,15 @@ qla28xx_get_aux_images( goto check_valid_image; } - qla24xx_read_flash_data(vha, (uint32_t *)&sec_aux_image_status, + rc = qla24xx_read_flash_data(vha, (uint32_t *)&sec_aux_image_status, ha->flt_region_aux_img_status_sec, sizeof(sec_aux_image_status) >> 2); + if (rc) { + ql_log(ql_log_info, vha, 0x01a2, + "Unable to read Secondary aux image(%x).\n", rc); + goto check_valid_image; + } + qla27xx_print_image(vha, "Secondary aux image", &sec_aux_image_status); if (qla28xx_check_aux_image_status_signature(&sec_aux_image_status)) { @@ -7794,6 +7806,7 @@ qla27xx_get_active_image(struct scsi_qla_host *vha, struct qla27xx_image_status pri_image_status, sec_image_status; bool valid_pri_image = false, valid_sec_image = false; bool active_pri_image = false, active_sec_image = false; + int rc; if (!ha->flt_region_img_status_pri) { ql_dbg(ql_dbg_init, vha, 0x018a, "Primary image not addressed\n"); @@ -7835,8 +7848,14 @@ qla27xx_get_active_image(struct scsi_qla_host *vha, goto check_valid_image; } - qla24xx_read_flash_data(vha, (uint32_t *)(&sec_image_status), + rc = qla24xx_read_flash_data(vha, (uint32_t *)(&sec_image_status), ha->flt_region_img_status_sec, sizeof(sec_image_status) >> 2); + if (rc) { + ql_log(ql_log_info, vha, 0x01a3, + "Unable to read Secondary image status(%x).\n", rc); + goto check_valid_image; + } + qla27xx_print_image(vha, "Secondary image", &sec_image_status); if (qla27xx_check_image_status_signature(&sec_image_status)) { @@ -7908,11 +7927,10 @@ qla24xx_load_risc_flash(scsi_qla_host_t *vha, uint32_t *srisc_addr, "FW: Loading firmware from flash (%x).\n", faddr); dcode = (uint32_t *)req->ring; - qla24xx_read_flash_data(vha, dcode, faddr, 8); - if (qla24xx_risc_firmware_invalid(dcode)) { + rval = qla24xx_read_flash_data(vha, dcode, faddr, 8); + if (rval || qla24xx_risc_firmware_invalid(dcode)) { ql_log(ql_log_fatal, vha, 0x008c, - "Unable to verify the integrity of flash firmware " - "image.\n"); + "Unable to verify the integrity of flash firmware image (rval %x).\n", rval); ql_log(ql_log_fatal, vha, 0x008d, "Firmware data: %08x %08x %08x %08x.\n", dcode[0], dcode[1], dcode[2], dcode[3]); @@ -7926,7 +7944,12 @@ qla24xx_load_risc_flash(scsi_qla_host_t *vha, uint32_t *srisc_addr, for (j = 0; j < segments; j++) { ql_dbg(ql_dbg_init, vha, 0x008d, "-> Loading segment %u...\n", j); - qla24xx_read_flash_data(vha, dcode, faddr, 10); + rval = qla24xx_read_flash_data(vha, dcode, faddr, 10); + if (rval) { + ql_log(ql_log_fatal, vha, 0x016a, + "-> Unable to read segment addr + size .\n"); + return QLA_FUNCTION_FAILED; + } risc_addr = be32_to_cpu((__force __be32)dcode[2]); risc_size = be32_to_cpu((__force __be32)dcode[3]); if (!*srisc_addr) { @@ -7942,7 +7965,13 @@ qla24xx_load_risc_flash(scsi_qla_host_t *vha, uint32_t *srisc_addr, ql_dbg(ql_dbg_init, vha, 0x008e, "-> Loading fragment %u: %#x <- %#x (%#lx dwords)...\n", fragment, risc_addr, faddr, dlen); - qla24xx_read_flash_data(vha, dcode, faddr, dlen); + rval = qla24xx_read_flash_data(vha, dcode, faddr, dlen); + if (rval) { + ql_log(ql_log_fatal, vha, 0x016b, + "-> Unable to read fragment(faddr %#x dlen %#lx).\n", + faddr, dlen); + return QLA_FUNCTION_FAILED; + } for (i = 0; i < dlen; i++) dcode[i] = swab32(dcode[i]); @@ -7972,7 +8001,14 @@ qla24xx_load_risc_flash(scsi_qla_host_t *vha, uint32_t *srisc_addr, fwdt->length = 0; dcode = (uint32_t *)req->ring; - qla24xx_read_flash_data(vha, dcode, faddr, 7); + + rval = qla24xx_read_flash_data(vha, dcode, faddr, 7); + if (rval) { + ql_log(ql_log_fatal, vha, 0x016c, + "-> Unable to read template size.\n"); + goto failed; + } + risc_size = be32_to_cpu((__force __be32)dcode[2]); ql_dbg(ql_dbg_init, vha, 0x0161, "-> fwdt%u template array at %#x (%#x dwords)\n", @@ -7998,11 +8034,12 @@ qla24xx_load_risc_flash(scsi_qla_host_t *vha, uint32_t *srisc_addr, } dcode = fwdt->template; - qla24xx_read_flash_data(vha, dcode, faddr, risc_size); + rval = qla24xx_read_flash_data(vha, dcode, faddr, risc_size); - if (!qla27xx_fwdt_template_valid(dcode)) { + if (rval || !qla27xx_fwdt_template_valid(dcode)) { ql_log(ql_log_warn, vha, 0x0165, - "-> fwdt%u failed template validate\n", j); + "-> fwdt%u failed template validate (rval %x)\n", + j, rval); goto failed; } diff --git a/drivers/scsi/qla2xxx/qla_sup.c b/drivers/scsi/qla2xxx/qla_sup.c index 0fa9c529fca1..c55135f1463e 100644 --- a/drivers/scsi/qla2xxx/qla_sup.c +++ b/drivers/scsi/qla2xxx/qla_sup.c @@ -555,6 +555,7 @@ qla2xxx_find_flt_start(scsi_qla_host_t *vha, uint32_t *start) struct qla_flt_location *fltl = (void *)req->ring; uint32_t *dcode = (uint32_t *)req->ring; uint8_t *buf = (void *)req->ring, *bcode, last_image; + int rc; /* * FLT-location structure resides after the last PCI region. @@ -584,14 +585,24 @@ qla2xxx_find_flt_start(scsi_qla_host_t *vha, uint32_t *start) pcihdr = 0; do { /* Verify PCI expansion ROM header. */ - qla24xx_read_flash_data(vha, dcode, pcihdr >> 2, 0x20); + rc = qla24xx_read_flash_data(vha, dcode, pcihdr >> 2, 0x20); + if (rc) { + ql_log(ql_log_info, vha, 0x016d, + "Unable to read PCI Expansion Rom Header (%x).\n", rc); + return QLA_FUNCTION_FAILED; + } bcode = buf + (pcihdr % 4); if (bcode[0x0] != 0x55 || bcode[0x1] != 0xaa) goto end; /* Locate PCI data structure. */ pcids = pcihdr + ((bcode[0x19] << 8) | bcode[0x18]); - qla24xx_read_flash_data(vha, dcode, pcids >> 2, 0x20); + rc = qla24xx_read_flash_data(vha, dcode, pcids >> 2, 0x20); + if (rc) { + ql_log(ql_log_info, vha, 0x0179, + "Unable to read PCI Data Structure (%x).\n", rc); + return QLA_FUNCTION_FAILED; + } bcode = buf + (pcihdr % 4); /* Validate signature of PCI data structure. */ @@ -606,7 +617,12 @@ qla2xxx_find_flt_start(scsi_qla_host_t *vha, uint32_t *start) } while (!last_image); /* Now verify FLT-location structure. */ - qla24xx_read_flash_data(vha, dcode, pcihdr >> 2, sizeof(*fltl) >> 2); + rc = qla24xx_read_flash_data(vha, dcode, pcihdr >> 2, sizeof(*fltl) >> 2); + if (rc) { + ql_log(ql_log_info, vha, 0x017a, + "Unable to read FLT (%x).\n", rc); + return QLA_FUNCTION_FAILED; + } if (memcmp(fltl->sig, "QFLT", 4)) goto end; @@ -2605,13 +2621,18 @@ qla24xx_read_optrom_data(struct scsi_qla_host *vha, void *buf, uint32_t offset, uint32_t length) { struct qla_hw_data *ha = vha->hw; + int rc; /* Suspend HBA. */ scsi_block_requests(vha->host); set_bit(MBX_UPDATE_FLASH_ACTIVE, &ha->mbx_cmd_flags); /* Go with read. */ - qla24xx_read_flash_data(vha, buf, offset >> 2, length >> 2); + rc = qla24xx_read_flash_data(vha, buf, offset >> 2, length >> 2); + if (rc) { + ql_log(ql_log_info, vha, 0x01a0, + "Unable to perform optrom read(%x).\n", rc); + } /* Resume HBA. */ clear_bit(MBX_UPDATE_FLASH_ACTIVE, &ha->mbx_cmd_flags); @@ -3412,7 +3433,7 @@ qla24xx_get_flash_version(scsi_qla_host_t *vha, void *mbuf) struct active_regions active_regions = { }; if (IS_P3P_TYPE(ha)) - return ret; + return QLA_SUCCESS; if (!mbuf) return QLA_FUNCTION_FAILED; @@ -3432,20 +3453,31 @@ qla24xx_get_flash_version(scsi_qla_host_t *vha, void *mbuf) do { /* Verify PCI expansion ROM header. */ - qla24xx_read_flash_data(vha, dcode, pcihdr >> 2, 0x20); + ret = qla24xx_read_flash_data(vha, dcode, pcihdr >> 2, 0x20); + if (ret) { + ql_log(ql_log_info, vha, 0x017d, + "Unable to read PCI EXP Rom Header(%x).\n", ret); + return QLA_FUNCTION_FAILED; + } + bcode = mbuf + (pcihdr % 4); if (memcmp(bcode, "\x55\xaa", 2)) { /* No signature */ ql_log(ql_log_fatal, vha, 0x0059, "No matching ROM signature.\n"); - ret = QLA_FUNCTION_FAILED; - break; + return QLA_FUNCTION_FAILED; } /* Locate PCI data structure. */ pcids = pcihdr + ((bcode[0x19] << 8) | bcode[0x18]); - qla24xx_read_flash_data(vha, dcode, pcids >> 2, 0x20); + ret = qla24xx_read_flash_data(vha, dcode, pcids >> 2, 0x20); + if (ret) { + ql_log(ql_log_info, vha, 0x018e, + "Unable to read PCI Data Structure (%x).\n", ret); + return QLA_FUNCTION_FAILED; + } + bcode = mbuf + (pcihdr % 4); /* Validate signature of PCI data structure. */ @@ -3454,8 +3486,7 @@ qla24xx_get_flash_version(scsi_qla_host_t *vha, void *mbuf) ql_log(ql_log_fatal, vha, 0x005a, "PCI data struct not found pcir_adr=%x.\n", pcids); ql_dump_buffer(ql_dbg_init, vha, 0x0059, dcode, 32); - ret = QLA_FUNCTION_FAILED; - break; + return QLA_FUNCTION_FAILED; } /* Read version */ @@ -3507,20 +3538,26 @@ qla24xx_get_flash_version(scsi_qla_host_t *vha, void *mbuf) faddr = ha->flt_region_fw_sec; } - qla24xx_read_flash_data(vha, dcode, faddr, 8); - if (qla24xx_risc_firmware_invalid(dcode)) { - ql_log(ql_log_warn, vha, 0x005f, - "Unrecognized fw revision at %x.\n", - ha->flt_region_fw * 4); - ql_dump_buffer(ql_dbg_init, vha, 0x005f, dcode, 32); + ret = qla24xx_read_flash_data(vha, dcode, faddr, 8); + if (ret) { + ql_log(ql_log_info, vha, 0x019e, + "Unable to read FW version (%x).\n", ret); + return ret; } else { - for (i = 0; i < 4; i++) - ha->fw_revision[i] = + if (qla24xx_risc_firmware_invalid(dcode)) { + ql_log(ql_log_warn, vha, 0x005f, + "Unrecognized fw revision at %x.\n", + ha->flt_region_fw * 4); + ql_dump_buffer(ql_dbg_init, vha, 0x005f, dcode, 32); + } else { + for (i = 0; i < 4; i++) + ha->fw_revision[i] = be32_to_cpu((__force __be32)dcode[4+i]); - ql_dbg(ql_dbg_init, vha, 0x0060, - "Firmware revision (flash) %u.%u.%u (%x).\n", - ha->fw_revision[0], ha->fw_revision[1], - ha->fw_revision[2], ha->fw_revision[3]); + ql_dbg(ql_dbg_init, vha, 0x0060, + "Firmware revision (flash) %u.%u.%u (%x).\n", + ha->fw_revision[0], ha->fw_revision[1], + ha->fw_revision[2], ha->fw_revision[3]); + } } /* Check for golden firmware and get version if available */ @@ -3531,18 +3568,23 @@ qla24xx_get_flash_version(scsi_qla_host_t *vha, void *mbuf) memset(ha->gold_fw_version, 0, sizeof(ha->gold_fw_version)); faddr = ha->flt_region_gold_fw; - qla24xx_read_flash_data(vha, dcode, ha->flt_region_gold_fw, 8); - if (qla24xx_risc_firmware_invalid(dcode)) { - ql_log(ql_log_warn, vha, 0x0056, - "Unrecognized golden fw at %#x.\n", faddr); - ql_dump_buffer(ql_dbg_init, vha, 0x0056, dcode, 32); + ret = qla24xx_read_flash_data(vha, dcode, ha->flt_region_gold_fw, 8); + if (ret) { + ql_log(ql_log_info, vha, 0x019f, + "Unable to read Gold FW version (%x).\n", ret); return ret; + } else { + if (qla24xx_risc_firmware_invalid(dcode)) { + ql_log(ql_log_warn, vha, 0x0056, + "Unrecognized golden fw at %#x.\n", faddr); + ql_dump_buffer(ql_dbg_init, vha, 0x0056, dcode, 32); + return QLA_FUNCTION_FAILED; + } + + for (i = 0; i < 4; i++) + ha->gold_fw_version[i] = + be32_to_cpu((__force __be32)dcode[4+i]); } - - for (i = 0; i < 4; i++) - ha->gold_fw_version[i] = - be32_to_cpu((__force __be32)dcode[4+i]); - return ret; } From 57ba7563712227647f82a92547e82c96cd350553 Mon Sep 17 00:00:00 2001 From: Shreyas Deodhar Date: Wed, 10 Jul 2024 22:40:52 +0530 Subject: [PATCH 160/702] scsi: qla2xxx: Complete command early within lock commit 4475afa2646d3fec176fc4d011d3879b26cb26e3 upstream. A crash was observed while performing NPIV and FW reset, BUG: kernel NULL pointer dereference, address: 000000000000001c #PF: supervisor read access in kernel mode #PF: error_code(0x0000) - not-present page PGD 0 P4D 0 Oops: 0000 1 PREEMPT_RT SMP NOPTI RIP: 0010:dma_direct_unmap_sg+0x51/0x1e0 RSP: 0018:ffffc90026f47b88 EFLAGS: 00010246 RAX: 0000000000000000 RBX: 0000000000000021 RCX: 0000000000000002 RDX: 0000000000000021 RSI: 0000000000000000 RDI: ffff8881041130d0 RBP: ffff8881041130d0 R08: 0000000000000000 R09: 0000000000000034 R10: ffffc90026f47c48 R11: 0000000000000031 R12: 0000000000000000 R13: 0000000000000000 R14: ffff8881565e4a20 R15: 0000000000000000 FS: 00007f4c69ed3d00(0000) GS:ffff889faac80000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000000000000001c CR3: 0000000288a50002 CR4: 00000000007706e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 PKRU: 55555554 Call Trace: ? __die_body+0x1a/0x60 ? page_fault_oops+0x16f/0x4a0 ? do_user_addr_fault+0x174/0x7f0 ? exc_page_fault+0x69/0x1a0 ? asm_exc_page_fault+0x22/0x30 ? dma_direct_unmap_sg+0x51/0x1e0 ? preempt_count_sub+0x96/0xe0 qla2xxx_qpair_sp_free_dma+0x29f/0x3b0 [qla2xxx] qla2xxx_qpair_sp_compl+0x60/0x80 [qla2xxx] __qla2x00_abort_all_cmds+0xa2/0x450 [qla2xxx] The command completion was done early while aborting the commands in driver unload path but outside lock to avoid the WARN_ON condition of performing dma_free_attr within the lock. However this caused race condition while command completion via multiple paths causing system crash. Hence complete the command early in unload path but within the lock to avoid race condition. Fixes: 0367076b0817 ("scsi: qla2xxx: Perform lockless command completion in abort path") Cc: stable@vger.kernel.org Signed-off-by: Shreyas Deodhar Signed-off-by: Nilesh Javali Link: https://lore.kernel.org/r/20240710171057.35066-7-njavali@marvell.com Reviewed-by: Himanshu Madhani Signed-off-by: Martin K. Petersen Signed-off-by: Greg Kroah-Hartman --- drivers/scsi/qla2xxx/qla_os.c | 5 ----- 1 file changed, 5 deletions(-) diff --git a/drivers/scsi/qla2xxx/qla_os.c b/drivers/scsi/qla2xxx/qla_os.c index 945b9b5e0971..00b971d1c419 100644 --- a/drivers/scsi/qla2xxx/qla_os.c +++ b/drivers/scsi/qla2xxx/qla_os.c @@ -1752,14 +1752,9 @@ __qla2x00_abort_all_cmds(struct qla_qpair *qp, int res) for (cnt = 1; cnt < req->num_outstanding_cmds; cnt++) { sp = req->outstanding_cmds[cnt]; if (sp) { - /* - * perform lockless completion during driver unload - */ if (qla2x00_chip_is_down(vha)) { req->outstanding_cmds[cnt] = NULL; - spin_unlock_irqrestore(qp->qp_lock_ptr, flags); sp->done(sp, res); - spin_lock_irqsave(qp->qp_lock_ptr, flags); continue; } From a3ab508a4853a9f5ae25a7816a4889f09938f63c Mon Sep 17 00:00:00 2001 From: Nilesh Javali Date: Wed, 10 Jul 2024 22:40:48 +0530 Subject: [PATCH 161/702] scsi: qla2xxx: validate nvme_local_port correctly commit eb1d4ce2609584eeb7694866f34d4b213caa3af9 upstream. The driver load failed with error message, qla2xxx [0000:04:00.0]-ffff:0: register_localport failed: ret=ffffffef and with a kernel crash, BUG: unable to handle kernel NULL pointer dereference at 0000000000000070 Workqueue: events_unbound qla_register_fcport_fn [qla2xxx] RIP: 0010:nvme_fc_register_remoteport+0x16/0x430 [nvme_fc] RSP: 0018:ffffaaa040eb3d98 EFLAGS: 00010282 RAX: 0000000000000000 RBX: ffff9dfb46b78c00 RCX: 0000000000000000 RDX: ffff9dfb46b78da8 RSI: ffffaaa040eb3e08 RDI: 0000000000000000 RBP: ffff9dfb612a0a58 R08: ffffffffaf1d6270 R09: 3a34303a30303030 R10: 34303a303030305b R11: 2078787832616c71 R12: ffff9dfb46b78dd4 R13: ffff9dfb46b78c24 R14: ffff9dfb41525300 R15: ffff9dfb46b78da8 FS: 0000000000000000(0000) GS:ffff9dfc67c00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000000000070 CR3: 000000018da10004 CR4: 00000000000206f0 Call Trace: qla_nvme_register_remote+0xeb/0x1f0 [qla2xxx] ? qla2x00_dfs_create_rport+0x231/0x270 [qla2xxx] qla2x00_update_fcport+0x2a1/0x3c0 [qla2xxx] qla_register_fcport_fn+0x54/0xc0 [qla2xxx] Exit the qla_nvme_register_remote() function when qla_nvme_register_hba() fails and correctly validate nvme_local_port. Cc: stable@vger.kernel.org Signed-off-by: Nilesh Javali Link: https://lore.kernel.org/r/20240710171057.35066-3-njavali@marvell.com Reviewed-by: Himanshu Madhani Signed-off-by: Martin K. Petersen Signed-off-by: Greg Kroah-Hartman --- drivers/scsi/qla2xxx/qla_nvme.c | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-) diff --git a/drivers/scsi/qla2xxx/qla_nvme.c b/drivers/scsi/qla2xxx/qla_nvme.c index 6dad7787f20d..28a5b40e0f32 100644 --- a/drivers/scsi/qla2xxx/qla_nvme.c +++ b/drivers/scsi/qla2xxx/qla_nvme.c @@ -27,7 +27,10 @@ int qla_nvme_register_remote(struct scsi_qla_host *vha, struct fc_port *fcport) return 0; } - if (!vha->nvme_local_port && qla_nvme_register_hba(vha)) + if (qla_nvme_register_hba(vha)) + return 0; + + if (!vha->nvme_local_port) return 0; if (!(fcport->nvme_prli_service_param & From 3b8e1b7d26d65a35fbad8e398e8e35ca561f8fd2 Mon Sep 17 00:00:00 2001 From: Marco Cavenati Date: Mon, 24 Jun 2024 23:10:55 +0300 Subject: [PATCH 162/702] perf/x86/intel/pt: Fix topa_entry base length commit 5638bd722a44bbe97c1a7b3fae5b9efddb3e70ff upstream. topa_entry->base needs to store a pfn. It obviously needs to be large enough to store the largest possible x86 pfn which is MAXPHYADDR-PAGE_SIZE (52-12). So it is 4 bits too small. Increase the size of topa_entry->base from 36 bits to 40 bits. Note, systems where physical addresses can be 256TiB or more are affected. [ Adrian: Amend commit message as suggested by Dave Hansen ] Fixes: 52ca9ced3f70 ("perf/x86/intel/pt: Add Intel PT PMU driver") Signed-off-by: Marco Cavenati Signed-off-by: Adrian Hunter Signed-off-by: Peter Zijlstra (Intel) Reviewed-by: Adrian Hunter Cc: stable@vger.kernel.org Link: https://lore.kernel.org/r/20240624201101.60186-2-adrian.hunter@intel.com Signed-off-by: Greg Kroah-Hartman --- arch/x86/events/intel/pt.h | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/arch/x86/events/intel/pt.h b/arch/x86/events/intel/pt.h index 96906a62aacd..f5e46c04c145 100644 --- a/arch/x86/events/intel/pt.h +++ b/arch/x86/events/intel/pt.h @@ -33,8 +33,8 @@ struct topa_entry { u64 rsvd2 : 1; u64 size : 4; u64 rsvd3 : 2; - u64 base : 36; - u64 rsvd4 : 16; + u64 base : 40; + u64 rsvd4 : 12; }; /* TSC to Core Crystal Clock Ratio */ From a49321257f62df5ca4a905c69ff7fb40d1f90209 Mon Sep 17 00:00:00 2001 From: Adrian Hunter Date: Mon, 24 Jun 2024 23:10:56 +0300 Subject: [PATCH 163/702] perf/x86/intel/pt: Fix a topa_entry base address calculation commit ad97196379d0b8cb24ef3d5006978a6554e6467f upstream. topa_entry->base is a bit-field. Bit-fields are not promoted to a 64-bit type, even if the underlying type is 64-bit, and so, if necessary, must be cast to a larger type when calculations are done. Fix a topa_entry->base address calculation by adding a cast. Without the cast, the address was limited to 36-bits i.e. 64GiB. The address calculation is used on systems that do not support Multiple Entry ToPA (only Broadwell), and affects physical addresses on or above 64GiB. Instead of writing to the correct address, the address comprising the first 36 bits would be written to. Intel PT snapshot and sampling modes are not affected. Fixes: 52ca9ced3f70 ("perf/x86/intel/pt: Add Intel PT PMU driver") Reported-by: Dave Hansen Signed-off-by: Adrian Hunter Signed-off-by: Peter Zijlstra (Intel) Cc: stable@vger.kernel.org Link: https://lore.kernel.org/r/20240624201101.60186-3-adrian.hunter@intel.com Signed-off-by: Greg Kroah-Hartman --- arch/x86/events/intel/pt.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/arch/x86/events/intel/pt.c b/arch/x86/events/intel/pt.c index d97d34b4669b..da7e8c2b5347 100644 --- a/arch/x86/events/intel/pt.c +++ b/arch/x86/events/intel/pt.c @@ -861,7 +861,7 @@ static void pt_update_head(struct pt *pt) */ static void *pt_buffer_region(struct pt_buffer *buf) { - return phys_to_virt(TOPA_ENTRY(buf->cur, buf->cur_idx)->base << TOPA_SHIFT); + return phys_to_virt((phys_addr_t)TOPA_ENTRY(buf->cur, buf->cur_idx)->base << TOPA_SHIFT); } /** From 9cba1ec637f304b6a820fdf21b80f8222341b3d1 Mon Sep 17 00:00:00 2001 From: Joy Chakraborty Date: Wed, 12 Jun 2024 08:08:31 +0000 Subject: [PATCH 164/702] rtc: isl1208: Fix return value of nvmem callbacks commit 70f1ae5f0e7f44edf842444044615da7b59838c1 upstream. Read/write callbacks registered with nvmem core expect 0 to be returned on success and a negative value to be returned on failure. isl1208_nvmem_read()/isl1208_nvmem_write() currently return the number of bytes read/written on success, fix to return 0 on success and negative on failure. Fixes: c3544f6f51ed ("rtc: isl1208: Add new style nvmem support to driver") Cc: stable@vger.kernel.org Signed-off-by: Joy Chakraborty Link: https://lore.kernel.org/r/20240612080831.1227131-1-joychakr@google.com Signed-off-by: Alexandre Belloni Signed-off-by: Greg Kroah-Hartman --- drivers/rtc/rtc-isl1208.c | 11 ++++------- 1 file changed, 4 insertions(+), 7 deletions(-) diff --git a/drivers/rtc/rtc-isl1208.c b/drivers/rtc/rtc-isl1208.c index ebb691fa48a6..cba0dfe21a15 100644 --- a/drivers/rtc/rtc-isl1208.c +++ b/drivers/rtc/rtc-isl1208.c @@ -743,14 +743,13 @@ static int isl1208_nvmem_read(void *priv, unsigned int off, void *buf, { struct isl1208_state *isl1208 = priv; struct i2c_client *client = to_i2c_client(isl1208->rtc->dev.parent); - int ret; /* nvmem sanitizes offset/count for us, but count==0 is possible */ if (!count) return count; - ret = isl1208_i2c_read_regs(client, ISL1208_REG_USR1 + off, buf, + + return isl1208_i2c_read_regs(client, ISL1208_REG_USR1 + off, buf, count); - return ret == 0 ? count : ret; } static int isl1208_nvmem_write(void *priv, unsigned int off, void *buf, @@ -758,15 +757,13 @@ static int isl1208_nvmem_write(void *priv, unsigned int off, void *buf, { struct isl1208_state *isl1208 = priv; struct i2c_client *client = to_i2c_client(isl1208->rtc->dev.parent); - int ret; /* nvmem sanitizes off/count for us, but count==0 is possible */ if (!count) return count; - ret = isl1208_i2c_set_regs(client, ISL1208_REG_USR1 + off, buf, - count); - return ret == 0 ? count : ret; + return isl1208_i2c_set_regs(client, ISL1208_REG_USR1 + off, buf, + count); } static const struct nvmem_config isl1208_nvmem_config = { From 19f108b3d1cafab159078a26ac93a64cab47258b Mon Sep 17 00:00:00 2001 From: Thomas Gleixner Date: Thu, 11 Jul 2024 22:25:21 +0200 Subject: [PATCH 165/702] watchdog/perf: properly initialize the turbo mode timestamp and rearm counter commit f944ffcbc2e1c759764850261670586ddf3bdabb upstream. For systems on which the performance counter can expire early due to turbo modes the watchdog handler has a safety net in place which validates that since the last watchdog event there has at least 4/5th of the watchdog period elapsed. This works reliably only after the first watchdog event because the per CPU variable which holds the timestamp of the last event is never initialized. So a first spurious event will validate against a timestamp of 0 which results in a delta which is likely to be way over the 4/5 threshold of the period. As this might happen before the first watchdog hrtimer event increments the watchdog counter, this can lead to false positives. Fix this by initializing the timestamp before enabling the hardware event. Reset the rearm counter as well, as that might be non zero after the watchdog was disabled and reenabled. Link: https://lkml.kernel.org/r/87frsfu15a.ffs@tglx Fixes: 7edaeb6841df ("kernel/watchdog: Prevent false positives with turbo modes") Signed-off-by: Thomas Gleixner Cc: Arjan van de Ven Cc: Peter Zijlstra Cc: Signed-off-by: Andrew Morton Signed-off-by: Greg Kroah-Hartman --- kernel/watchdog_hld.c | 11 ++++++++--- 1 file changed, 8 insertions(+), 3 deletions(-) diff --git a/kernel/watchdog_hld.c b/kernel/watchdog_hld.c index 1e8a49dc956e..8ba4b269ab89 100644 --- a/kernel/watchdog_hld.c +++ b/kernel/watchdog_hld.c @@ -91,11 +91,15 @@ static bool watchdog_check_timestamp(void) __this_cpu_write(last_timestamp, now); return true; } -#else -static inline bool watchdog_check_timestamp(void) + +static void watchdog_init_timestamp(void) { - return true; + __this_cpu_write(nmi_rearmed, 0); + __this_cpu_write(last_timestamp, ktime_get_mono_fast_ns()); } +#else +static inline bool watchdog_check_timestamp(void) { return true; } +static inline void watchdog_init_timestamp(void) { } #endif static struct perf_event_attr wd_hw_attr = { @@ -196,6 +200,7 @@ void hardlockup_detector_perf_enable(void) if (!atomic_fetch_inc(&watchdog_cpus)) pr_info("Enabled. Permanently consumes one hw-PMU counter.\n"); + watchdog_init_timestamp(); perf_event_enable(this_cpu_read(watchdog_ev)); } From 9667d46f8a7778932c7cdd3391e1ba8a47c3095d Mon Sep 17 00:00:00 2001 From: Jiaxun Yang Date: Fri, 14 Jun 2024 16:40:15 +0100 Subject: [PATCH 166/702] platform: mips: cpu_hwmon: Disable driver on unsupported hardware commit f4d430db17b4ef4e9c3c352a04b2fe3c93011978 upstream. cpu_hwmon is unsupported on CPUs without loongson_chiptemp register and csr. Cc: stable@vger.kernel.org Signed-off-by: Jiaxun Yang Signed-off-by: Thomas Bogendoerfer Signed-off-by: Greg Kroah-Hartman --- drivers/platform/mips/cpu_hwmon.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/drivers/platform/mips/cpu_hwmon.c b/drivers/platform/mips/cpu_hwmon.c index d8c5f9195f85..2ac2f31090f9 100644 --- a/drivers/platform/mips/cpu_hwmon.c +++ b/drivers/platform/mips/cpu_hwmon.c @@ -139,6 +139,9 @@ static int __init loongson_hwmon_init(void) csr_temp_enable = csr_readl(LOONGSON_CSR_FEATURES) & LOONGSON_CSRF_TEMP; + if (!csr_temp_enable && !loongson_chiptemp[0]) + return -ENODEV; + nr_packages = loongson_sysconf.nr_cpus / loongson_sysconf.cores_per_package; From 94ee7ff99b87435ec63211f632918dc7f44dac79 Mon Sep 17 00:00:00 2001 From: Bart Van Assche Date: Wed, 5 Jun 2024 08:51:01 -0600 Subject: [PATCH 167/702] RDMA/iwcm: Fix a use-after-free related to destroying CM IDs commit aee2424246f9f1dadc33faa78990c1e2eb7826e4 upstream. iw_conn_req_handler() associates a new struct rdma_id_private (conn_id) with an existing struct iw_cm_id (cm_id) as follows: conn_id->cm_id.iw = cm_id; cm_id->context = conn_id; cm_id->cm_handler = cma_iw_handler; rdma_destroy_id() frees both the cm_id and the struct rdma_id_private. Make sure that cm_work_handler() does not trigger a use-after-free by only freeing of the struct rdma_id_private after all pending work has finished. Cc: stable@vger.kernel.org Fixes: 59c68ac31e15 ("iw_cm: free cm_id resources on the last deref") Reviewed-by: Zhu Yanjun Tested-by: Shin'ichiro Kawasaki Signed-off-by: Bart Van Assche Link: https://lore.kernel.org/r/20240605145117.397751-6-bvanassche@acm.org Signed-off-by: Leon Romanovsky Signed-off-by: Greg Kroah-Hartman --- drivers/infiniband/core/iwcm.c | 11 +++++++---- 1 file changed, 7 insertions(+), 4 deletions(-) diff --git a/drivers/infiniband/core/iwcm.c b/drivers/infiniband/core/iwcm.c index 75b6da00065a..7a6747850aea 100644 --- a/drivers/infiniband/core/iwcm.c +++ b/drivers/infiniband/core/iwcm.c @@ -370,8 +370,10 @@ EXPORT_SYMBOL(iw_cm_disconnect); * * Clean up all resources associated with the connection and release * the initial reference taken by iw_create_cm_id. + * + * Returns true if and only if the last cm_id_priv reference has been dropped. */ -static void destroy_cm_id(struct iw_cm_id *cm_id) +static bool destroy_cm_id(struct iw_cm_id *cm_id) { struct iwcm_id_private *cm_id_priv; struct ib_qp *qp; @@ -441,7 +443,7 @@ static void destroy_cm_id(struct iw_cm_id *cm_id) iwpm_remove_mapping(&cm_id->local_addr, RDMA_NL_IWCM); } - (void)iwcm_deref_id(cm_id_priv); + return iwcm_deref_id(cm_id_priv); } /* @@ -452,7 +454,8 @@ static void destroy_cm_id(struct iw_cm_id *cm_id) */ void iw_destroy_cm_id(struct iw_cm_id *cm_id) { - destroy_cm_id(cm_id); + if (!destroy_cm_id(cm_id)) + flush_workqueue(iwcm_wq); } EXPORT_SYMBOL(iw_destroy_cm_id); @@ -1036,7 +1039,7 @@ static void cm_work_handler(struct work_struct *_work) if (!test_bit(IWCM_F_DROP_EVENTS, &cm_id_priv->flags)) { ret = process_event(cm_id_priv, &levent); if (ret) - destroy_cm_id(&cm_id_priv->id); + WARN_ON_ONCE(destroy_cm_id(&cm_id_priv->id)); } else pr_debug("dropping event %d\n", levent.event); if (iwcm_deref_id(cm_id_priv)) From 24933a55bfaf142f943b57d0b1ce8e2f5a32bae9 Mon Sep 17 00:00:00 2001 From: Michael Ellerman Date: Mon, 20 May 2024 16:26:47 +1000 Subject: [PATCH 168/702] selftests/sigaltstack: Fix ppc64 GCC build MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit commit 17c743b9da9e0d073ff19fd5313f521744514939 upstream. Building the sigaltstack test with GCC on 64-bit powerpc errors with: gcc -Wall sas.c -o /home/michael/linux/.build/kselftest/sigaltstack/sas In file included from sas.c:23: current_stack_pointer.h:22:2: error: #error "implement current_stack_pointer equivalent" 22 | #error "implement current_stack_pointer equivalent" | ^~~~~ sas.c: In function ‘my_usr1’: sas.c:50:13: error: ‘sp’ undeclared (first use in this function); did you mean ‘p’? 50 | if (sp < (unsigned long)sstack || | ^~ This happens because GCC doesn't define __ppc__ for 64-bit builds, only 32-bit builds. Instead use __powerpc__ to detect powerpc builds, which is defined by clang and GCC for 64-bit and 32-bit builds. Fixes: 05107edc9101 ("selftests: sigaltstack: fix -Wuninitialized") Cc: stable@vger.kernel.org # v6.3+ Signed-off-by: Michael Ellerman Link: https://msgid.link/20240520062647.688667-1-mpe@ellerman.id.au Signed-off-by: Greg Kroah-Hartman --- tools/testing/selftests/sigaltstack/current_stack_pointer.h | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/tools/testing/selftests/sigaltstack/current_stack_pointer.h b/tools/testing/selftests/sigaltstack/current_stack_pointer.h index ea9bdf3a90b1..09da8f1011ce 100644 --- a/tools/testing/selftests/sigaltstack/current_stack_pointer.h +++ b/tools/testing/selftests/sigaltstack/current_stack_pointer.h @@ -8,7 +8,7 @@ register unsigned long sp asm("sp"); register unsigned long sp asm("esp"); #elif __loongarch64 register unsigned long sp asm("$sp"); -#elif __ppc__ +#elif __powerpc__ register unsigned long sp asm("r1"); #elif __s390x__ register unsigned long sp asm("%15"); From 4e8f70d3cc5ebe74cd2884fbde8b2f1478c26463 Mon Sep 17 00:00:00 2001 From: Ilya Dryomov Date: Tue, 23 Jul 2024 18:08:08 +0200 Subject: [PATCH 169/702] rbd: don't assume rbd_is_lock_owner() for exclusive mappings commit 3ceccb14f5576e02b81cc8b105ab81f224bd87f6 upstream. Expanding on the previous commit, assuming that rbd_is_lock_owner() always returns true (i.e. that we are either in RBD_LOCK_STATE_LOCKED or RBD_LOCK_STATE_QUIESCING) if the mapping is exclusive is wrong too. In case ceph_cls_set_cookie() fails, the lock would be temporarily released even if the mapping is exclusive, meaning that we can end up even in RBD_LOCK_STATE_UNLOCKED. IOW, exclusive mappings are really "just" about disabling automatic lock transitions (as documented in the man page), not about grabbing the lock and holding on to it whatever it takes. Cc: stable@vger.kernel.org Fixes: 637cd060537d ("rbd: new exclusive lock wait/wake code") Signed-off-by: Ilya Dryomov Reviewed-by: Dongsheng Yang Signed-off-by: Greg Kroah-Hartman --- drivers/block/rbd.c | 5 ----- 1 file changed, 5 deletions(-) diff --git a/drivers/block/rbd.c b/drivers/block/rbd.c index 5b102d333a41..f693deafb002 100644 --- a/drivers/block/rbd.c +++ b/drivers/block/rbd.c @@ -6660,11 +6660,6 @@ static int rbd_add_acquire_lock(struct rbd_device *rbd_dev) if (ret) return ret; - /* - * The lock may have been released by now, unless automatic lock - * transitions are disabled. - */ - rbd_assert(!rbd_dev->opts->exclusive || rbd_is_lock_owner(rbd_dev)); return 0; } From 636163de03cc6922995851071f7e1f607dc5073a Mon Sep 17 00:00:00 2001 From: Jiaxun Yang Date: Sun, 16 Jun 2024 18:54:24 +0100 Subject: [PATCH 170/702] MIPS: ip30: ip30-console: Add missing include MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit commit 8de4ed75bd14ed197119ac509c6902a8561e0c1c upstream. Include linux/processor.h to fix build error: arch/mips/sgi-ip30/ip30-console.c: In function ‘prom_putchar’: arch/mips/sgi-ip30/ip30-console.c:21:17: error: implicit declaration of function ‘cpu_relax’ [-Werror=implicit-function-declaration] 21 | cpu_relax(); Cc: stable@vger.kernel.org Signed-off-by: Jiaxun Yang Signed-off-by: Thomas Bogendoerfer Signed-off-by: Greg Kroah-Hartman --- arch/mips/sgi-ip30/ip30-console.c | 1 + 1 file changed, 1 insertion(+) diff --git a/arch/mips/sgi-ip30/ip30-console.c b/arch/mips/sgi-ip30/ip30-console.c index b91f8c4fdc78..a087b7ebe129 100644 --- a/arch/mips/sgi-ip30/ip30-console.c +++ b/arch/mips/sgi-ip30/ip30-console.c @@ -1,6 +1,7 @@ // SPDX-License-Identifier: GPL-2.0 #include +#include #include From 77411a2d22524104813f6278f595593db165212c Mon Sep 17 00:00:00 2001 From: Jiaxun Yang Date: Fri, 14 Jun 2024 16:40:18 +0100 Subject: [PATCH 171/702] MIPS: Loongson64: env: Hook up Loongsson-2K commit 77543269ff23c75bebfb8e6e9a1177b350908ea7 upstream. Somehow those enablement bits were left over when we were adding initial Loongson-2K support. Set up basic information and select proper builtin DTB for Loongson-2K. Cc: stable@vger.kernel.org Signed-off-by: Jiaxun Yang Signed-off-by: Thomas Bogendoerfer Signed-off-by: Greg Kroah-Hartman --- arch/mips/include/asm/mach-loongson64/boot_param.h | 2 ++ arch/mips/loongson64/env.c | 8 ++++++++ 2 files changed, 10 insertions(+) diff --git a/arch/mips/include/asm/mach-loongson64/boot_param.h b/arch/mips/include/asm/mach-loongson64/boot_param.h index afc92b7a61c6..deafd177f095 100644 --- a/arch/mips/include/asm/mach-loongson64/boot_param.h +++ b/arch/mips/include/asm/mach-loongson64/boot_param.h @@ -38,12 +38,14 @@ enum loongson_cpu_type { Legacy_1B = 0x5, Legacy_2G = 0x6, Legacy_2H = 0x7, + Legacy_2K = 0x8, Loongson_1A = 0x100, Loongson_1B = 0x101, Loongson_2E = 0x200, Loongson_2F = 0x201, Loongson_2G = 0x202, Loongson_2H = 0x203, + Loongson_2K = 0x204, Loongson_3A = 0x300, Loongson_3B = 0x301 }; diff --git a/arch/mips/loongson64/env.c b/arch/mips/loongson64/env.c index 134cb8e9efc2..c9db6c496138 100644 --- a/arch/mips/loongson64/env.c +++ b/arch/mips/loongson64/env.c @@ -65,6 +65,12 @@ void __init prom_init_env(void) cpu_clock_freq = ecpu->cpu_clock_freq; loongson_sysconf.cputype = ecpu->cputype; switch (ecpu->cputype) { + case Legacy_2K: + case Loongson_2K: + smp_group[0] = 0x900000001fe11000; + loongson_sysconf.cores_per_node = 2; + loongson_sysconf.cores_per_package = 2; + break; case Legacy_3A: case Loongson_3A: loongson_sysconf.cores_per_node = 4; @@ -213,6 +219,8 @@ void __init prom_init_env(void) default: break; } + } else if ((read_c0_prid() & PRID_IMP_MASK) == PRID_IMP_LOONGSON_64R) { + loongson_fdt_blob = __dtb_loongson64_2core_2k1000_begin; } else if ((read_c0_prid() & PRID_IMP_MASK) == PRID_IMP_LOONGSON_64G) { if (loongson_sysconf.bridgetype == LS7A) loongson_fdt_blob = __dtb_loongson64g_4core_ls7a_begin; From 76b62f30350875e087c338abf94f32247c600044 Mon Sep 17 00:00:00 2001 From: Dragan Simic Date: Mon, 17 Jun 2024 22:17:48 +0200 Subject: [PATCH 172/702] drm/panfrost: Mark simple_ondemand governor as softdep commit 80f4e62730a91572b7fdc657f7bb747e107ae308 upstream. Panfrost DRM driver uses devfreq to perform DVFS, while using simple_ondemand devfreq governor by default. This causes driver initialization to fail on boot when simple_ondemand governor isn't built into the kernel statically, as a result of the missing module dependency and, consequently, the required governor module not being included in the initial ramdisk. Thus, let's mark simple_ondemand governor as a softdep for Panfrost, to have its kernel module included in the initial ramdisk. This is a rather longstanding issue that has forced distributions to build devfreq governors statically into their kernels, [1][2] or has forced users to introduce some unnecessary workarounds. [3] For future reference, not having support for the simple_ondemand governor in the initial ramdisk produces errors in the kernel log similar to these below, which were taken from a Pine64 RockPro64: panfrost ff9a0000.gpu: [drm:panfrost_devfreq_init [panfrost]] *ERROR* Couldn't initialize GPU devfreq panfrost ff9a0000.gpu: Fatal error during GPU init panfrost: probe of ff9a0000.gpu failed with error -22 Having simple_ondemand marked as a softdep for Panfrost may not resolve this issue for all Linux distributions. In particular, it will remain unresolved for the distributions whose utilities for the initial ramdisk generation do not handle the available softdep information [4] properly yet. However, some Linux distributions already handle softdeps properly while generating their initial ramdisks, [5] and this is a prerequisite step in the right direction for the distributions that don't handle them properly yet. [1] https://gitlab.manjaro.org/manjaro-arm/packages/core/linux/-/blob/linux61/config?ref_type=heads#L8180 [2] https://salsa.debian.org/kernel-team/linux/-/merge_requests/1066 [3] https://forum.pine64.org/showthread.php?tid=15458 [4] https://git.kernel.org/pub/scm/utils/kernel/kmod/kmod.git/commit/?id=49d8e0b59052999de577ab732b719cfbeb89504d [5] https://github.com/archlinux/mkinitcpio/commit/97ac4d37aae084a050be512f6d8f4489054668ad Cc: Diederik de Haas Cc: Furkan Kardame Cc: stable@vger.kernel.org Fixes: f3ba91228e8e ("drm/panfrost: Add initial panfrost driver") Signed-off-by: Dragan Simic Reviewed-by: Steven Price Reviewed-by: Boris Brezillon Signed-off-by: Steven Price Link: https://patchwork.freedesktop.org/patch/msgid/4e1e00422a14db4e2a80870afb704405da16fd1b.1718655077.git.dsimic@manjaro.org Signed-off-by: Greg Kroah-Hartman --- drivers/gpu/drm/panfrost/panfrost_drv.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/gpu/drm/panfrost/panfrost_drv.c b/drivers/gpu/drm/panfrost/panfrost_drv.c index 4af25c0b6570..ba098b4dee2e 100644 --- a/drivers/gpu/drm/panfrost/panfrost_drv.c +++ b/drivers/gpu/drm/panfrost/panfrost_drv.c @@ -681,3 +681,4 @@ module_platform_driver(panfrost_driver); MODULE_AUTHOR("Panfrost Project Developers"); MODULE_DESCRIPTION("Panfrost DRM Driver"); MODULE_LICENSE("GPL v2"); +MODULE_SOFTDEP("pre: governor_simpleondemand"); From 52d8d27fd6d3ce9bdec18e2c3c35471a031357ec Mon Sep 17 00:00:00 2001 From: Ilya Dryomov Date: Tue, 23 Jul 2024 17:54:39 +0200 Subject: [PATCH 173/702] rbd: rename RBD_LOCK_STATE_RELEASING and releasing_wait commit f5c466a0fdb2d9f3650d2e3911b0735f17ba00cf upstream. ... to RBD_LOCK_STATE_QUIESCING and quiescing_wait to recognize that this state and the associated completion are backing rbd_quiesce_lock(), which isn't specific to releasing the lock. While exclusive lock does get quiesced before it's released, it also gets quiesced before an attempt to update the cookie is made and there the lock is not released as long as ceph_cls_set_cookie() succeeds. Signed-off-by: Ilya Dryomov Reviewed-by: Dongsheng Yang Signed-off-by: Greg Kroah-Hartman --- drivers/block/rbd.c | 20 ++++++++++---------- 1 file changed, 10 insertions(+), 10 deletions(-) diff --git a/drivers/block/rbd.c b/drivers/block/rbd.c index f693deafb002..11c133fe3028 100644 --- a/drivers/block/rbd.c +++ b/drivers/block/rbd.c @@ -362,7 +362,7 @@ enum rbd_watch_state { enum rbd_lock_state { RBD_LOCK_STATE_UNLOCKED, RBD_LOCK_STATE_LOCKED, - RBD_LOCK_STATE_RELEASING, + RBD_LOCK_STATE_QUIESCING, }; /* WatchNotify::ClientId */ @@ -422,7 +422,7 @@ struct rbd_device { struct list_head running_list; struct completion acquire_wait; int acquire_err; - struct completion releasing_wait; + struct completion quiescing_wait; spinlock_t object_map_lock; u8 *object_map; @@ -525,7 +525,7 @@ static bool __rbd_is_lock_owner(struct rbd_device *rbd_dev) lockdep_assert_held(&rbd_dev->lock_rwsem); return rbd_dev->lock_state == RBD_LOCK_STATE_LOCKED || - rbd_dev->lock_state == RBD_LOCK_STATE_RELEASING; + rbd_dev->lock_state == RBD_LOCK_STATE_QUIESCING; } static bool rbd_is_lock_owner(struct rbd_device *rbd_dev) @@ -3523,12 +3523,12 @@ static void rbd_lock_del_request(struct rbd_img_request *img_req) spin_lock(&rbd_dev->lock_lists_lock); if (!list_empty(&img_req->lock_item)) { list_del_init(&img_req->lock_item); - need_wakeup = (rbd_dev->lock_state == RBD_LOCK_STATE_RELEASING && + need_wakeup = (rbd_dev->lock_state == RBD_LOCK_STATE_QUIESCING && list_empty(&rbd_dev->running_list)); } spin_unlock(&rbd_dev->lock_lists_lock); if (need_wakeup) - complete(&rbd_dev->releasing_wait); + complete(&rbd_dev->quiescing_wait); } static int rbd_img_exclusive_lock(struct rbd_img_request *img_req) @@ -4237,16 +4237,16 @@ static bool rbd_quiesce_lock(struct rbd_device *rbd_dev) /* * Ensure that all in-flight IO is flushed. */ - rbd_dev->lock_state = RBD_LOCK_STATE_RELEASING; - rbd_assert(!completion_done(&rbd_dev->releasing_wait)); + rbd_dev->lock_state = RBD_LOCK_STATE_QUIESCING; + rbd_assert(!completion_done(&rbd_dev->quiescing_wait)); if (list_empty(&rbd_dev->running_list)) return true; up_write(&rbd_dev->lock_rwsem); - wait_for_completion(&rbd_dev->releasing_wait); + wait_for_completion(&rbd_dev->quiescing_wait); down_write(&rbd_dev->lock_rwsem); - if (rbd_dev->lock_state != RBD_LOCK_STATE_RELEASING) + if (rbd_dev->lock_state != RBD_LOCK_STATE_QUIESCING) return false; rbd_assert(list_empty(&rbd_dev->running_list)); @@ -5455,7 +5455,7 @@ static struct rbd_device *__rbd_dev_create(struct rbd_spec *spec) INIT_LIST_HEAD(&rbd_dev->acquiring_list); INIT_LIST_HEAD(&rbd_dev->running_list); init_completion(&rbd_dev->acquire_wait); - init_completion(&rbd_dev->releasing_wait); + init_completion(&rbd_dev->quiescing_wait); spin_lock_init(&rbd_dev->object_map_lock); From 1fccae3fd7ae2c5fd82a010057588b31c232d2d0 Mon Sep 17 00:00:00 2001 From: Ilya Dryomov Date: Tue, 23 Jul 2024 18:07:59 +0200 Subject: [PATCH 174/702] rbd: don't assume RBD_LOCK_STATE_LOCKED for exclusive mappings commit 2237ceb71f89837ac47c5dce2aaa2c2b3a337a3c upstream. Every time a watch is reestablished after getting lost, we need to update the cookie which involves quiescing exclusive lock. For this, we transition from RBD_LOCK_STATE_LOCKED to RBD_LOCK_STATE_QUIESCING roughly for the duration of rbd_reacquire_lock() call. If the mapping is exclusive and I/O happens to arrive in this time window, it's failed with EROFS (later translated to EIO) based on the wrong assumption in rbd_img_exclusive_lock() -- "lock got released?" check there stopped making sense with commit a2b1da09793d ("rbd: lock should be quiesced on reacquire"). To make it worse, any such I/O is added to the acquiring list before EROFS is returned and this sets up for violating rbd_lock_del_request() precondition that the request is either on the running list or not on any list at all -- see commit ded080c86b3f ("rbd: don't move requests to the running list on errors"). rbd_lock_del_request() ends up processing these requests as if they were on the running list which screws up quiescing_wait completion counter and ultimately leads to rbd_assert(!completion_done(&rbd_dev->quiescing_wait)); being triggered on the next watch error. Cc: stable@vger.kernel.org # 06ef84c4e9c4: rbd: rename RBD_LOCK_STATE_RELEASING and releasing_wait Cc: stable@vger.kernel.org Fixes: 637cd060537d ("rbd: new exclusive lock wait/wake code") Signed-off-by: Ilya Dryomov Reviewed-by: Dongsheng Yang Signed-off-by: Greg Kroah-Hartman --- drivers/block/rbd.c | 10 +++++----- 1 file changed, 5 insertions(+), 5 deletions(-) diff --git a/drivers/block/rbd.c b/drivers/block/rbd.c index 11c133fe3028..0ceef7bcfe8e 100644 --- a/drivers/block/rbd.c +++ b/drivers/block/rbd.c @@ -3522,6 +3522,7 @@ static void rbd_lock_del_request(struct rbd_img_request *img_req) lockdep_assert_held(&rbd_dev->lock_rwsem); spin_lock(&rbd_dev->lock_lists_lock); if (!list_empty(&img_req->lock_item)) { + rbd_assert(!list_empty(&rbd_dev->running_list)); list_del_init(&img_req->lock_item); need_wakeup = (rbd_dev->lock_state == RBD_LOCK_STATE_QUIESCING && list_empty(&rbd_dev->running_list)); @@ -3541,11 +3542,6 @@ static int rbd_img_exclusive_lock(struct rbd_img_request *img_req) if (rbd_lock_add_request(img_req)) return 1; - if (rbd_dev->opts->exclusive) { - WARN_ON(1); /* lock got released? */ - return -EROFS; - } - /* * Note the use of mod_delayed_work() in rbd_acquire_lock() * and cancel_delayed_work() in wake_lock_waiters(). @@ -4657,6 +4653,10 @@ static void rbd_reacquire_lock(struct rbd_device *rbd_dev) rbd_warn(rbd_dev, "failed to update lock cookie: %d", ret); + if (rbd_dev->opts->exclusive) + rbd_warn(rbd_dev, + "temporarily releasing lock on exclusive mapping"); + /* * Lock cookie cannot be updated on older OSDs, so do * a manual release and queue an acquire. From 4d3eb40ccd1b0f0e654a07063983a97041091ea3 Mon Sep 17 00:00:00 2001 From: Hilda Wu Date: Mon, 17 Jun 2024 17:05:18 +0800 Subject: [PATCH 175/702] Bluetooth: btusb: Add RTL8852BE device 0489:e125 to device tables commit 295ef07a9dae6182ad4b689aa8c6a7dbba21474c upstream. Add the support ID 0489:e125 to usb_device_id table for Realtek RTL8852B chip. The device info from /sys/kernel/debug/usb/devices as below. T: Bus=01 Lev=01 Prnt=01 Port=07 Cnt=03 Dev#= 5 Spd=12 MxCh= 0 D: Ver= 1.00 Cls=e0(wlcon) Sub=01 Prot=01 MxPS=64 #Cfgs= 1 P: Vendor=0489 ProdID=e125 Rev= 0.00 S: Manufacturer=Realtek S: Product=Bluetooth Radio S: SerialNumber=00e04c000001 C:* #Ifs= 2 Cfg#= 1 Atr=e0 MxPwr=500mA I:* If#= 0 Alt= 0 #EPs= 3 Cls=e0(wlcon) Sub=01 Prot=01 Driver=btusb E: Ad=81(I) Atr=03(Int.) MxPS= 16 Ivl=1ms E: Ad=02(O) Atr=02(Bulk) MxPS= 64 Ivl=0ms E: Ad=82(I) Atr=02(Bulk) MxPS= 64 Ivl=0ms I:* If#= 1 Alt= 0 #EPs= 2 Cls=e0(wlcon) Sub=01 Prot=01 Driver=btusb E: Ad=03(O) Atr=01(Isoc) MxPS= 0 Ivl=1ms E: Ad=83(I) Atr=01(Isoc) MxPS= 0 Ivl=1ms I: If#= 1 Alt= 1 #EPs= 2 Cls=e0(wlcon) Sub=01 Prot=01 Driver=btusb E: Ad=03(O) Atr=01(Isoc) MxPS= 9 Ivl=1ms E: Ad=83(I) Atr=01(Isoc) MxPS= 9 Ivl=1ms I: If#= 1 Alt= 2 #EPs= 2 Cls=e0(wlcon) Sub=01 Prot=01 Driver=btusb E: Ad=03(O) Atr=01(Isoc) MxPS= 17 Ivl=1ms E: Ad=83(I) Atr=01(Isoc) MxPS= 17 Ivl=1ms I: If#= 1 Alt= 3 #EPs= 2 Cls=e0(wlcon) Sub=01 Prot=01 Driver=btusb E: Ad=03(O) Atr=01(Isoc) MxPS= 25 Ivl=1ms E: Ad=83(I) Atr=01(Isoc) MxPS= 25 Ivl=1ms I: If#= 1 Alt= 4 #EPs= 2 Cls=e0(wlcon) Sub=01 Prot=01 Driver=btusb E: Ad=03(O) Atr=01(Isoc) MxPS= 33 Ivl=1ms E: Ad=83(I) Atr=01(Isoc) MxPS= 33 Ivl=1ms I: If#= 1 Alt= 5 #EPs= 2 Cls=e0(wlcon) Sub=01 Prot=01 Driver=btusb E: Ad=03(O) Atr=01(Isoc) MxPS= 49 Ivl=1ms E: Ad=83(I) Atr=01(Isoc) MxPS= 49 Ivl=1ms Signed-off-by: Hilda Wu Signed-off-by: Luiz Augusto von Dentz Signed-off-by: Erpeng Xu Signed-off-by: Greg Kroah-Hartman --- drivers/bluetooth/btusb.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/drivers/bluetooth/btusb.c b/drivers/bluetooth/btusb.c index b2836e8efefd..536c7f7be226 100644 --- a/drivers/bluetooth/btusb.c +++ b/drivers/bluetooth/btusb.c @@ -428,6 +428,8 @@ static const struct usb_device_id blacklist_table[] = { BTUSB_WIDEBAND_SPEECH }, { USB_DEVICE(0x13d3, 0x3571), .driver_info = BTUSB_REALTEK | BTUSB_WIDEBAND_SPEECH }, + { USB_DEVICE(0x0489, 0xe125), .driver_info = BTUSB_REALTEK | + BTUSB_WIDEBAND_SPEECH }, /* Realtek Bluetooth devices */ { USB_VENDOR_AND_INTERFACE_INFO(0x0bda, 0xe0, 0x01, 0x01), From 9fa8eca2598aad978b4434868355aa922a10dac9 Mon Sep 17 00:00:00 2001 From: WangYuli Date: Sat, 22 Jun 2024 12:09:59 +0800 Subject: [PATCH 176/702] Bluetooth: btusb: Add Realtek RTL8852BE support ID 0x13d3:0x3591 commit 473a89b4ed7fd52a419340f7c540d5c8fc96fc75 upstream. Add the support ID(0x13d3, 0x3591) to usb_device_id table for Realtek RTL8852BE. The device table is as follows: T: Bus=01 Lev=02 Prnt=03 Port=00 Cnt=01 Dev#= 5 Spd=12 MxCh= 0 D: Ver= 1.00 Cls=e0(wlcon) Sub=01 Prot=01 MxPS=64 #Cfgs= 1 P: Vendor=13d3 ProdID=3591 Rev= 0.00 S: Manufacturer=Realtek S: Product=Bluetooth Radio S: SerialNumber=00e04c000001 C:* #Ifs= 2 Cfg#= 1 Atr=e0 MxPwr=500mA I:* If#= 0 Alt= 0 #EPs= 3 Cls=e0(wlcon) Sub=01 Prot=01 Driver=btusb E: Ad=81(I) Atr=03(Int.) MxPS= 16 Ivl=1ms E: Ad=02(O) Atr=02(Bulk) MxPS= 64 Ivl=0ms E: Ad=82(I) Atr=02(Bulk) MxPS= 64 Ivl=0ms I:* If#= 1 Alt= 0 #EPs= 2 Cls=e0(wlcon) Sub=01 Prot=01 Driver=btusb E: Ad=03(O) Atr=01(Isoc) MxPS= 0 Ivl=1ms E: Ad=83(I) Atr=01(Isoc) MxPS= 0 Ivl=1ms I: If#= 1 Alt= 1 #EPs= 2 Cls=e0(wlcon) Sub=01 Prot=01 Driver=btusb E: Ad=03(O) Atr=01(Isoc) MxPS= 9 Ivl=1ms E: Ad=83(I) Atr=01(Isoc) MxPS= 9 Ivl=1ms I: If#= 1 Alt= 2 #EPs= 2 Cls=e0(wlcon) Sub=01 Prot=01 Driver=btusb E: Ad=03(O) Atr=01(Isoc) MxPS= 17 Ivl=1ms E: Ad=83(I) Atr=01(Isoc) MxPS= 17 Ivl=1ms I: If#= 1 Alt= 3 #EPs= 2 Cls=e0(wlcon) Sub=01 Prot=01 Driver=btusb E: Ad=03(O) Atr=01(Isoc) MxPS= 25 Ivl=1ms E: Ad=83(I) Atr=01(Isoc) MxPS= 25 Ivl=1ms I: If#= 1 Alt= 4 #EPs= 2 Cls=e0(wlcon) Sub=01 Prot=01 Driver=btusb E: Ad=03(O) Atr=01(Isoc) MxPS= 33 Ivl=1ms E: Ad=83(I) Atr=01(Isoc) MxPS= 33 Ivl=1ms I: If#= 1 Alt= 5 #EPs= 2 Cls=e0(wlcon) Sub=01 Prot=01 Driver=btusb E: Ad=03(O) Atr=01(Isoc) MxPS= 49 Ivl=1ms E: Ad=83(I) Atr=01(Isoc) MxPS= 49 Ivl=1ms Cc: stable@vger.kernel.org Signed-off-by: Wentao Guan Signed-off-by: WangYuli Signed-off-by: Luiz Augusto von Dentz Signed-off-by: Erpeng Xu Signed-off-by: Greg Kroah-Hartman --- drivers/bluetooth/btusb.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/drivers/bluetooth/btusb.c b/drivers/bluetooth/btusb.c index 536c7f7be226..b0d97c9ffd26 100644 --- a/drivers/bluetooth/btusb.c +++ b/drivers/bluetooth/btusb.c @@ -428,6 +428,8 @@ static const struct usb_device_id blacklist_table[] = { BTUSB_WIDEBAND_SPEECH }, { USB_DEVICE(0x13d3, 0x3571), .driver_info = BTUSB_REALTEK | BTUSB_WIDEBAND_SPEECH }, + { USB_DEVICE(0x13d3, 0x3591), .driver_info = BTUSB_REALTEK | + BTUSB_WIDEBAND_SPEECH }, { USB_DEVICE(0x0489, 0xe125), .driver_info = BTUSB_REALTEK | BTUSB_WIDEBAND_SPEECH }, From 5f0a6800b8aec1b453c7fe4c44fcaac5ffe9d52e Mon Sep 17 00:00:00 2001 From: Ryusuke Konishi Date: Thu, 25 Jul 2024 14:20:07 +0900 Subject: [PATCH 177/702] nilfs2: handle inconsistent state in nilfs_btnode_create_block() commit 4811f7af6090e8f5a398fbdd766f903ef6c0d787 upstream. Syzbot reported that a buffer state inconsistency was detected in nilfs_btnode_create_block(), triggering a kernel bug. It is not appropriate to treat this inconsistency as a bug; it can occur if the argument block address (the buffer index of the newly created block) is a virtual block number and has been reallocated due to corruption of the bitmap used to manage its allocation state. So, modify nilfs_btnode_create_block() and its callers to treat it as a possible filesystem error, rather than triggering a kernel bug. Link: https://lkml.kernel.org/r/20240725052007.4562-1-konishi.ryusuke@gmail.com Fixes: a60be987d45d ("nilfs2: B-tree node cache") Signed-off-by: Ryusuke Konishi Reported-by: syzbot+89cc4f2324ed37988b60@syzkaller.appspotmail.com Closes: https://syzkaller.appspot.com/bug?extid=89cc4f2324ed37988b60 Cc: Signed-off-by: Andrew Morton Signed-off-by: Greg Kroah-Hartman --- fs/nilfs2/btnode.c | 25 ++++++++++++++++++++----- fs/nilfs2/btree.c | 4 ++-- 2 files changed, 22 insertions(+), 7 deletions(-) diff --git a/fs/nilfs2/btnode.c b/fs/nilfs2/btnode.c index 1776121677e2..28a726553318 100644 --- a/fs/nilfs2/btnode.c +++ b/fs/nilfs2/btnode.c @@ -51,12 +51,21 @@ nilfs_btnode_create_block(struct address_space *btnc, __u64 blocknr) bh = nilfs_grab_buffer(inode, btnc, blocknr, BIT(BH_NILFS_Node)); if (unlikely(!bh)) - return NULL; + return ERR_PTR(-ENOMEM); if (unlikely(buffer_mapped(bh) || buffer_uptodate(bh) || buffer_dirty(bh))) { - brelse(bh); - BUG(); + /* + * The block buffer at the specified new address was already + * in use. This can happen if it is a virtual block number + * and has been reallocated due to corruption of the bitmap + * used to manage its allocation state (if not, the buffer + * clearing of an abandoned b-tree node is missing somewhere). + */ + nilfs_error(inode->i_sb, + "state inconsistency probably due to duplicate use of b-tree node block address %llu (ino=%lu)", + (unsigned long long)blocknr, inode->i_ino); + goto failed; } memset(bh->b_data, 0, i_blocksize(inode)); bh->b_bdev = inode->i_sb->s_bdev; @@ -67,6 +76,12 @@ nilfs_btnode_create_block(struct address_space *btnc, __u64 blocknr) unlock_page(bh->b_page); put_page(bh->b_page); return bh; + +failed: + unlock_page(bh->b_page); + put_page(bh->b_page); + brelse(bh); + return ERR_PTR(-EIO); } int nilfs_btnode_submit_block(struct address_space *btnc, __u64 blocknr, @@ -217,8 +232,8 @@ int nilfs_btnode_prepare_change_key(struct address_space *btnc, } nbh = nilfs_btnode_create_block(btnc, newkey); - if (!nbh) - return -ENOMEM; + if (IS_ERR(nbh)) + return PTR_ERR(nbh); BUG_ON(nbh == obh); ctxt->newbh = nbh; diff --git a/fs/nilfs2/btree.c b/fs/nilfs2/btree.c index 4905b7cd7bf3..a426e4e2acda 100644 --- a/fs/nilfs2/btree.c +++ b/fs/nilfs2/btree.c @@ -63,8 +63,8 @@ static int nilfs_btree_get_new_block(const struct nilfs_bmap *btree, struct buffer_head *bh; bh = nilfs_btnode_create_block(btnc, ptr); - if (!bh) - return -ENOMEM; + if (IS_ERR(bh)) + return PTR_ERR(bh); set_buffer_nilfs_volatile(bh); *bhp = bh; From b839175c06daede0127f5f547a55adf330ad090e Mon Sep 17 00:00:00 2001 From: Pavel Begunkov Date: Wed, 10 Jul 2024 18:58:17 +0100 Subject: [PATCH 178/702] io_uring/io-wq: limit retrying worker initialisation commit 0453aad676ff99787124b9b3af4a5f59fbe808e2 upstream. If io-wq worker creation fails, we retry it by queueing up a task_work. tasK_work is needed because it should be done from the user process context. The problem is that retries are not limited, and if queueing a task_work is the reason for the failure, we might get into an infinite loop. It doesn't seem to happen now but it would with the following patch executing task_work in the freezer's loop. For now, arbitrarily limit the number of attempts to create a worker. Cc: stable@vger.kernel.org Fixes: 3146cba99aa28 ("io-wq: make worker creation resilient against signals") Reported-by: Julian Orth Signed-off-by: Pavel Begunkov Link: https://lore.kernel.org/r/8280436925db88448c7c85c6656edee1a43029ea.1720634146.git.asml.silence@gmail.com Signed-off-by: Jens Axboe Signed-off-by: Greg Kroah-Hartman --- io_uring/io-wq.c | 10 +++++++--- 1 file changed, 7 insertions(+), 3 deletions(-) diff --git a/io_uring/io-wq.c b/io_uring/io-wq.c index fe8594a0396c..c5d249f5d214 100644 --- a/io_uring/io-wq.c +++ b/io_uring/io-wq.c @@ -19,6 +19,7 @@ #include "io-wq.h" #define WORKER_IDLE_TIMEOUT (5 * HZ) +#define WORKER_INIT_LIMIT 3 enum { IO_WORKER_F_UP = 1, /* up and active */ @@ -54,6 +55,7 @@ struct io_worker { unsigned long create_state; struct callback_head create_work; int create_index; + int init_retries; union { struct rcu_head rcu; @@ -732,7 +734,7 @@ static bool io_wq_work_match_all(struct io_wq_work *work, void *data) return true; } -static inline bool io_should_retry_thread(long err) +static inline bool io_should_retry_thread(struct io_worker *worker, long err) { /* * Prevent perpetual task_work retry, if the task (or its group) is @@ -740,6 +742,8 @@ static inline bool io_should_retry_thread(long err) */ if (fatal_signal_pending(current)) return false; + if (worker->init_retries++ >= WORKER_INIT_LIMIT) + return false; switch (err) { case -EAGAIN: @@ -766,7 +770,7 @@ static void create_worker_cont(struct callback_head *cb) io_init_new_worker(wqe, worker, tsk); io_worker_release(worker); return; - } else if (!io_should_retry_thread(PTR_ERR(tsk))) { + } else if (!io_should_retry_thread(worker, PTR_ERR(tsk))) { struct io_wqe_acct *acct = io_wqe_get_acct(worker); atomic_dec(&acct->nr_running); @@ -831,7 +835,7 @@ static bool create_io_worker(struct io_wq *wq, struct io_wqe *wqe, int index) tsk = create_io_thread(io_wqe_worker, worker, wqe->node); if (!IS_ERR(tsk)) { io_init_new_worker(wqe, worker, tsk); - } else if (!io_should_retry_thread(PTR_ERR(tsk))) { + } else if (!io_should_retry_thread(worker, PTR_ERR(tsk))) { kfree(worker); goto fail; } else { From 65dba3c9ce750d449758b3488c722d55dcfe1600 Mon Sep 17 00:00:00 2001 From: Pavel Begunkov Date: Wed, 10 Jul 2024 18:58:18 +0100 Subject: [PATCH 179/702] kernel: rerun task_work while freezing in get_signal() commit 943ad0b62e3c21f324c4884caa6cb4a871bca05c upstream. io_uring can asynchronously add a task_work while the task is getting freezed. TIF_NOTIFY_SIGNAL will prevent the task from sleeping in do_freezer_trap(), and since the get_signal()'s relock loop doesn't retry task_work, the task will spin there not being able to sleep until the freezing is cancelled / the task is killed / etc. Run task_works in the freezer path. Keep the patch small and simple so it can be easily back ported, but we might need to do some cleaning after and look if there are other places with similar problems. Cc: stable@vger.kernel.org Link: https://github.com/systemd/systemd/issues/33626 Fixes: 12db8b690010c ("entry: Add support for TIF_NOTIFY_SIGNAL") Reported-by: Julian Orth Acked-by: Oleg Nesterov Acked-by: Tejun Heo Signed-off-by: Pavel Begunkov Link: https://lore.kernel.org/r/89ed3a52933370deaaf61a0a620a6ac91f1e754d.1720634146.git.asml.silence@gmail.com Signed-off-by: Jens Axboe Signed-off-by: Greg Kroah-Hartman --- include/linux/sched/signal.h | 6 ++++++ kernel/signal.c | 8 ++++++++ 2 files changed, 14 insertions(+) diff --git a/include/linux/sched/signal.h b/include/linux/sched/signal.h index 2c634010cc7b..5e4194e12a7d 100644 --- a/include/linux/sched/signal.h +++ b/include/linux/sched/signal.h @@ -348,6 +348,12 @@ extern void sigqueue_free(struct sigqueue *); extern int send_sigqueue(struct sigqueue *, struct pid *, enum pid_type); extern int do_sigaction(int, struct k_sigaction *, struct k_sigaction *); +static inline void clear_notify_signal(void) +{ + clear_thread_flag(TIF_NOTIFY_SIGNAL); + smp_mb__after_atomic(); +} + static inline int restart_syscall(void) { set_tsk_thread_flag(current, TIF_SIGPENDING); diff --git a/kernel/signal.c b/kernel/signal.c index e487c4660921..bfc1da526ebb 100644 --- a/kernel/signal.c +++ b/kernel/signal.c @@ -2464,6 +2464,14 @@ static void do_freezer_trap(void) spin_unlock_irq(¤t->sighand->siglock); cgroup_enter_frozen(); freezable_schedule(); + + /* + * We could've been woken by task_work, run it to clear + * TIF_NOTIFY_SIGNAL. The caller will retry if necessary. + */ + clear_notify_signal(); + if (unlikely(READ_ONCE(current->task_works))) + task_work_run(); } static int ptrace_signal(int signr, kernel_siginfo_t *info) From f0ad62559f05e36d08309d80d0a86155193bb16e Mon Sep 17 00:00:00 2001 From: Arnd Bergmann Date: Tue, 28 May 2024 14:11:48 +0200 Subject: [PATCH 180/702] kdb: address -Wformat-security warnings [ Upstream commit 70867efacf4370b6c7cdfc7a5b11300e9ef7de64 ] When -Wformat-security is not disabled, using a string pointer as a format causes a warning: kernel/debug/kdb/kdb_io.c: In function 'kdb_read': kernel/debug/kdb/kdb_io.c:365:36: error: format not a string literal and no format arguments [-Werror=format-security] 365 | kdb_printf(kdb_prompt_str); | ^~~~~~~~~~~~~~ kernel/debug/kdb/kdb_io.c: In function 'kdb_getstr': kernel/debug/kdb/kdb_io.c:456:20: error: format not a string literal and no format arguments [-Werror=format-security] 456 | kdb_printf(kdb_prompt_str); | ^~~~~~~~~~~~~~ Use an explcit "%s" format instead. Signed-off-by: Arnd Bergmann Fixes: 5d5314d6795f ("kdb: core for kgdb back end (1 of 2)") Reviewed-by: Douglas Anderson Link: https://lore.kernel.org/r/20240528121154.3662553-1-arnd@kernel.org Signed-off-by: Daniel Thompson Signed-off-by: Sasha Levin --- kernel/debug/kdb/kdb_io.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/kernel/debug/kdb/kdb_io.c b/kernel/debug/kdb/kdb_io.c index a3b4b55d2e2e..a4256e558a70 100644 --- a/kernel/debug/kdb/kdb_io.c +++ b/kernel/debug/kdb/kdb_io.c @@ -358,7 +358,7 @@ static char *kdb_read(char *buffer, size_t bufsize) if (i >= dtab_count) kdb_printf("..."); kdb_printf("\n"); - kdb_printf(kdb_prompt_str); + kdb_printf("%s", kdb_prompt_str); kdb_printf("%s", buffer); if (cp != lastchar) kdb_position_cursor(kdb_prompt_str, buffer, cp); @@ -450,7 +450,7 @@ char *kdb_getstr(char *buffer, size_t bufsize, const char *prompt) { if (prompt && kdb_prompt_str != prompt) strscpy(kdb_prompt_str, prompt, CMD_BUFLEN); - kdb_printf(kdb_prompt_str); + kdb_printf("%s", kdb_prompt_str); kdb_nextline = 1; /* Prompt and input resets line number */ return kdb_read(buffer, bufsize); } From 1c089efe763df98f54cb14e9410c5440f7db8443 Mon Sep 17 00:00:00 2001 From: Douglas Anderson Date: Tue, 28 May 2024 07:11:48 -0700 Subject: [PATCH 181/702] kdb: Use the passed prompt in kdb_position_cursor() [ Upstream commit e2e821095949cde46256034975a90f88626a2a73 ] The function kdb_position_cursor() takes in a "prompt" parameter but never uses it. This doesn't _really_ matter since all current callers of the function pass the same value and it's a global variable, but it's a bit ugly. Let's clean it up. Found by code inspection. This patch is expected to functionally be a no-op. Fixes: 09b35989421d ("kdb: Use format-strings rather than '\0' injection in kdb_read()") Signed-off-by: Douglas Anderson Link: https://lore.kernel.org/r/20240528071144.1.I0feb49839c6b6f4f2c4bf34764f5e95de3f55a66@changeid Signed-off-by: Daniel Thompson Signed-off-by: Sasha Levin --- kernel/debug/kdb/kdb_io.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/kernel/debug/kdb/kdb_io.c b/kernel/debug/kdb/kdb_io.c index a4256e558a70..b28b8a5ef638 100644 --- a/kernel/debug/kdb/kdb_io.c +++ b/kernel/debug/kdb/kdb_io.c @@ -194,7 +194,7 @@ char kdb_getchar(void) */ static void kdb_position_cursor(char *prompt, char *buffer, char *cp) { - kdb_printf("\r%s", kdb_prompt_str); + kdb_printf("\r%s", prompt); if (cp > buffer) kdb_printf("%.*s", (int)(cp - buffer), buffer); } From 538a27c8048f081a5ddd286f886eb986fbbc7f80 Mon Sep 17 00:00:00 2001 From: Jeongjun Park Date: Thu, 30 May 2024 22:28:09 +0900 Subject: [PATCH 182/702] jfs: Fix array-index-out-of-bounds in diFree [ Upstream commit f73f969b2eb39ad8056f6c7f3a295fa2f85e313a ] Reported-by: syzbot+241c815bda521982cb49@syzkaller.appspotmail.com Fixes: 1da177e4c3f4 ("Linux-2.6.12-rc2") Signed-off-by: Jeongjun Park Signed-off-by: Dave Kleikamp Signed-off-by: Sasha Levin --- fs/jfs/jfs_imap.c | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-) diff --git a/fs/jfs/jfs_imap.c b/fs/jfs/jfs_imap.c index b0965f3ef186..36ed75682064 100644 --- a/fs/jfs/jfs_imap.c +++ b/fs/jfs/jfs_imap.c @@ -292,7 +292,7 @@ int diSync(struct inode *ipimap) int diRead(struct inode *ip) { struct jfs_sb_info *sbi = JFS_SBI(ip->i_sb); - int iagno, ino, extno, rc; + int iagno, ino, extno, rc, agno; struct inode *ipimap; struct dinode *dp; struct iag *iagp; @@ -341,8 +341,11 @@ int diRead(struct inode *ip) /* get the ag for the iag */ agstart = le64_to_cpu(iagp->agstart); + agno = BLKTOAG(agstart, JFS_SBI(ip->i_sb)); release_metapage(mp); + if (agno >= MAXAG || agno < 0) + return -EIO; rel_inode = (ino & (INOSPERPAGE - 1)); pageno = blkno >> sbi->l2nbperpage; From 721190921a87f035d9a2b79bdab4ed3e83e0f6a2 Mon Sep 17 00:00:00 2001 From: Johannes Berg Date: Wed, 17 Apr 2024 10:27:45 +0200 Subject: [PATCH 183/702] um: time-travel: fix time-travel-start option [ Upstream commit 7d0a8a490aa3a2a82de8826aaf1dfa38575cb77a ] We need to have the = as part of the option so that the value can be parsed properly. Also document that it must be given in nanoseconds, not seconds. Fixes: 065038706f77 ("um: Support time travel mode") Link: https://patch.msgid.link/20240417102744.14b9a9d4eba0.Ib22e9136513126b2099d932650f55f193120cd97@changeid Signed-off-by: Johannes Berg Signed-off-by: Sasha Levin --- arch/um/kernel/time.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/arch/um/kernel/time.c b/arch/um/kernel/time.c index 8dafc3f2add4..9a0fcafafd00 100644 --- a/arch/um/kernel/time.c +++ b/arch/um/kernel/time.c @@ -756,9 +756,9 @@ int setup_time_travel_start(char *str) return 1; } -__setup("time-travel-start", setup_time_travel_start); +__setup("time-travel-start=", setup_time_travel_start); __uml_help(setup_time_travel_start, -"time-travel-start=\n" +"time-travel-start=\n" "Configure the UML instance's wall clock to start at this value rather than\n" "the host's wall clock at the time of UML boot.\n"); #endif From ff2387553f6aedb657ad3b77be92b3489e30b4c2 Mon Sep 17 00:00:00 2001 From: Sheng Yong Date: Mon, 8 Jul 2024 20:04:07 +0800 Subject: [PATCH 184/702] f2fs: fix start segno of large section [ Upstream commit 8c409989678e92e4a737e7cd2bb04f3efb81071a ] get_ckpt_valid_blocks() checks valid ckpt blocks in current section. It counts all vblocks from the first to the last segment in the large section. However, START_SEGNO() is used to get the first segno in an SIT block. This patch fixes that to get the correct start segno. Fixes: 61461fc921b7 ("f2fs: fix to avoid touching checkpointed data in get_victim()") Signed-off-by: Sheng Yong Reviewed-by: Chao Yu Signed-off-by: Jaegeuk Kim Signed-off-by: Sasha Levin --- fs/f2fs/segment.h | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/fs/f2fs/segment.h b/fs/f2fs/segment.h index 979296b835b5..665e0e186687 100644 --- a/fs/f2fs/segment.h +++ b/fs/f2fs/segment.h @@ -371,7 +371,8 @@ static inline unsigned int get_ckpt_valid_blocks(struct f2fs_sb_info *sbi, unsigned int segno, bool use_section) { if (use_section && __is_large_section(sbi)) { - unsigned int start_segno = START_SEGNO(segno); + unsigned int secno = GET_SEC_FROM_SEG(sbi, segno); + unsigned int start_segno = GET_SEG_FROM_SEC(sbi, secno); unsigned int blocks = 0; int i; From 641b7a8920f44967184921ce5707eb180ee2cfdf Mon Sep 17 00:00:00 2001 From: Andrii Nakryiko Date: Fri, 12 Jul 2024 15:44:42 -0700 Subject: [PATCH 185/702] libbpf: Fix no-args func prototype BTF dumping syntax [ Upstream commit 189f1a976e426011e6a5588f1d3ceedf71fe2965 ] For all these years libbpf's BTF dumper has been emitting not strictly valid syntax for function prototypes that have no input arguments. Instead of `int (*blah)()` we should emit `int (*blah)(void)`. This is not normally a problem, but it manifests when we get kfuncs in vmlinux.h that have no input arguments. Due to compiler internal specifics, we get no BTF information for such kfuncs, if they are not declared with proper `(void)`. The fix is trivial. We also need to adjust a few ancient tests that happily assumed `()` is correct. Fixes: 351131b51c7a ("libbpf: add btf_dump API for BTF-to-C conversion") Reported-by: Tejun Heo Signed-off-by: Andrii Nakryiko Signed-off-by: Daniel Borkmann Acked-by: Stanislav Fomichev Link: https://lore.kernel.org/bpf/20240712224442.282823-1-andrii@kernel.org Signed-off-by: Sasha Levin --- tools/lib/bpf/btf_dump.c | 8 +++++--- .../selftests/bpf/progs/btf_dump_test_case_multidim.c | 4 ++-- .../selftests/bpf/progs/btf_dump_test_case_syntax.c | 4 ++-- 3 files changed, 9 insertions(+), 7 deletions(-) diff --git a/tools/lib/bpf/btf_dump.c b/tools/lib/bpf/btf_dump.c index 61aa2c47fbd5..2342aec3c5a3 100644 --- a/tools/lib/bpf/btf_dump.c +++ b/tools/lib/bpf/btf_dump.c @@ -1426,10 +1426,12 @@ static void btf_dump_emit_type_chain(struct btf_dump *d, * Clang for BPF target generates func_proto with no * args as a func_proto with a single void arg (e.g., * `int (*f)(void)` vs just `int (*f)()`). We are - * going to pretend there are no args for such case. + * going to emit valid empty args (void) syntax for + * such case. Similarly and conveniently, valid + * no args case can be special-cased here as well. */ - if (vlen == 1 && p->type == 0) { - btf_dump_printf(d, ")"); + if (vlen == 0 || (vlen == 1 && p->type == 0)) { + btf_dump_printf(d, "void)"); return; } diff --git a/tools/testing/selftests/bpf/progs/btf_dump_test_case_multidim.c b/tools/testing/selftests/bpf/progs/btf_dump_test_case_multidim.c index ba97165bdb28..a657651eba52 100644 --- a/tools/testing/selftests/bpf/progs/btf_dump_test_case_multidim.c +++ b/tools/testing/selftests/bpf/progs/btf_dump_test_case_multidim.c @@ -14,9 +14,9 @@ typedef int *ptr_arr_t[6]; typedef int *ptr_multiarr_t[7][8][9][10]; -typedef int * (*fn_ptr_arr_t[11])(); +typedef int * (*fn_ptr_arr_t[11])(void); -typedef int * (*fn_ptr_multiarr_t[12][13])(); +typedef int * (*fn_ptr_multiarr_t[12][13])(void); struct root_struct { arr_t _1; diff --git a/tools/testing/selftests/bpf/progs/btf_dump_test_case_syntax.c b/tools/testing/selftests/bpf/progs/btf_dump_test_case_syntax.c index fe43556e1a61..956b24ce8145 100644 --- a/tools/testing/selftests/bpf/progs/btf_dump_test_case_syntax.c +++ b/tools/testing/selftests/bpf/progs/btf_dump_test_case_syntax.c @@ -67,7 +67,7 @@ typedef void (*printf_fn_t)(const char *, ...); * `int -> char *` function and returns pointer to a char. Equivalent: * typedef char * (*fn_input_t)(int); * typedef char * (*fn_output_outer_t)(fn_input_t); - * typedef const fn_output_outer_t (* fn_output_inner_t)(); + * typedef const fn_output_outer_t (* fn_output_inner_t)(void); * typedef const fn_output_inner_t fn_ptr_arr2_t[5]; */ /* ----- START-EXPECTED-OUTPUT ----- */ @@ -94,7 +94,7 @@ typedef void (* (*signal_t)(int, void (*)(int)))(int); typedef char * (*fn_ptr_arr1_t[10])(int **); -typedef char * (* (* const fn_ptr_arr2_t[5])())(char * (*)(int)); +typedef char * (* (* const fn_ptr_arr2_t[5])(void))(char * (*)(int)); struct struct_w_typedefs { int_t a; From 257193083e8f43907e99ea633820fc2b3bcd24c7 Mon Sep 17 00:00:00 2001 From: Lance Richardson Date: Thu, 18 Jul 2024 14:38:24 +0000 Subject: [PATCH 186/702] dma: fix call order in dmam_free_coherent [ Upstream commit 28e8b7406d3a1f5329a03aa25a43aa28e087cb20 ] dmam_free_coherent() frees a DMA allocation, which makes the freed vaddr available for reuse, then calls devres_destroy() to remove and free the data structure used to track the DMA allocation. Between the two calls, it is possible for a concurrent task to make an allocation with the same vaddr and add it to the devres list. If this happens, there will be two entries in the devres list with the same vaddr and devres_destroy() can free the wrong entry, triggering the WARN_ON() in dmam_match. Fix by destroying the devres entry before freeing the DMA allocation. Tested: kokonut //net/encryption http://sponge2/b9145fe6-0f72-4325-ac2f-a84d81075b03 Fixes: 9ac7849e35f7 ("devres: device resource management") Signed-off-by: Lance Richardson Signed-off-by: Christoph Hellwig Signed-off-by: Sasha Levin --- kernel/dma/mapping.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/kernel/dma/mapping.c b/kernel/dma/mapping.c index 51bb8fa8eb89..453c0fbe87ff 100644 --- a/kernel/dma/mapping.c +++ b/kernel/dma/mapping.c @@ -60,8 +60,8 @@ void dmam_free_coherent(struct device *dev, size_t size, void *vaddr, { struct dma_devres match_data = { size, vaddr, dma_handle }; - dma_free_coherent(dev, size, vaddr, dma_handle); WARN_ON(devres_destroy(dev, dmam_release, dmam_match, &match_data)); + dma_free_coherent(dev, size, vaddr, dma_handle); } EXPORT_SYMBOL(dmam_free_coherent); From f62a9cc0c2f746827aea6b9b7ade2761a451b31e Mon Sep 17 00:00:00 2001 From: Gregory CLEMENT Date: Mon, 22 Jul 2024 15:15:39 +0200 Subject: [PATCH 187/702] MIPS: SMP-CPS: Fix address for GCR_ACCESS register for CM3 and later [ Upstream commit a263e5f309f32301e1f3ad113293f4e68a82a646 ] When the CM block migrated from CM2.5 to CM3.0, the address offset for the Global CSR Access Privilege register was modified. We saw this in the "MIPS64 I6500 Multiprocessing System Programmer's Guide," it is stated that "the Global CSR Access Privilege register is located at offset 0x0120" in section 5.4. It is at least the same for I6400. This fix allows to use the VP cores in SMP mode if the reset values were modified by the bootloader. Based on the work of Vladimir Kondratiev and the feedback from Jiaxun Yang . Fixes: 197e89e0984a ("MIPS: mips-cm: Implement mips_cm_revision") Signed-off-by: Gregory CLEMENT Reviewed-by: Jiaxun Yang Signed-off-by: Thomas Bogendoerfer Signed-off-by: Sasha Levin --- arch/mips/include/asm/mips-cm.h | 4 ++++ arch/mips/kernel/smp-cps.c | 5 ++++- 2 files changed, 8 insertions(+), 1 deletion(-) diff --git a/arch/mips/include/asm/mips-cm.h b/arch/mips/include/asm/mips-cm.h index 23c67c0871b1..696b40beb774 100644 --- a/arch/mips/include/asm/mips-cm.h +++ b/arch/mips/include/asm/mips-cm.h @@ -228,6 +228,10 @@ GCR_ACCESSOR_RO(32, 0x0d0, gic_status) GCR_ACCESSOR_RO(32, 0x0f0, cpc_status) #define CM_GCR_CPC_STATUS_EX BIT(0) +/* GCR_ACCESS - Controls core/IOCU access to GCRs */ +GCR_ACCESSOR_RW(32, 0x120, access_cm3) +#define CM_GCR_ACCESS_ACCESSEN GENMASK(7, 0) + /* GCR_L2_CONFIG - Indicates L2 cache configuration when Config5.L2C=1 */ GCR_ACCESSOR_RW(32, 0x130, l2_config) #define CM_GCR_L2_CONFIG_BYPASS BIT(20) diff --git a/arch/mips/kernel/smp-cps.c b/arch/mips/kernel/smp-cps.c index f659adb681bc..02ae0b29e688 100644 --- a/arch/mips/kernel/smp-cps.c +++ b/arch/mips/kernel/smp-cps.c @@ -229,7 +229,10 @@ static void boot_core(unsigned int core, unsigned int vpe_id) write_gcr_co_reset_ext_base(CM_GCR_Cx_RESET_EXT_BASE_UEB); /* Ensure the core can access the GCRs */ - set_gcr_access(1 << core); + if (mips_cm_revision() < CM_REV_CM3) + set_gcr_access(1 << core); + else + set_gcr_access_cm3(1 << core); if (mips_cpc_present()) { /* Reset the core */ From 3bf09eab401eb48b6a66cca4dfe6d67ef64ba86f Mon Sep 17 00:00:00 2001 From: Ido Schimmel Date: Thu, 18 Jul 2024 15:34:07 +0300 Subject: [PATCH 188/702] ipv4: Fix incorrect source address in Record Route option [ Upstream commit cc73bbab4b1fb8a4f53a24645871dafa5f81266a ] The Record Route IP option records the addresses of the routers that routed the packet. In the case of forwarded packets, the kernel performs a route lookup via fib_lookup() and fills in the preferred source address of the matched route. The lookup is performed with the DS field of the forwarded packet, but using the RT_TOS() macro which only masks one of the two ECN bits. If the packet is ECT(0) or CE, the matched route might be different than the route via which the packet was forwarded as the input path masks both of the ECN bits, resulting in the wrong address being filled in the Record Route option. Fix by masking both of the ECN bits. Fixes: 8e36360ae876 ("ipv4: Remove route key identity dependencies in ip_rt_get_source().") Signed-off-by: Ido Schimmel Reviewed-by: Guillaume Nault Link: https://patch.msgid.link/20240718123407.434778-1-idosch@nvidia.com Signed-off-by: Paolo Abeni Signed-off-by: Sasha Levin --- net/ipv4/route.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/net/ipv4/route.c b/net/ipv4/route.c index b3b49d8b386d..1eb1e4316ed6 100644 --- a/net/ipv4/route.c +++ b/net/ipv4/route.c @@ -1302,7 +1302,7 @@ void ip_rt_get_source(u8 *addr, struct sk_buff *skb, struct rtable *rt) struct flowi4 fl4 = { .daddr = iph->daddr, .saddr = iph->saddr, - .flowi4_tos = RT_TOS(iph->tos), + .flowi4_tos = iph->tos & IPTOS_RT_MASK, .flowi4_oif = rt->dst.dev->ifindex, .flowi4_iif = skb->dev->ifindex, .flowi4_mark = skb->mark, From c8ae5939f40e4a67cd3aed47e147684e36aa68a4 Mon Sep 17 00:00:00 2001 From: Johannes Berg Date: Fri, 19 Jul 2024 09:41:18 -0700 Subject: [PATCH 189/702] net: bonding: correctly annotate RCU in bond_should_notify_peers() [ Upstream commit 3ba359c0cd6eb5ea772125a7aededb4a2d516684 ] RCU use in bond_should_notify_peers() looks wrong, since it does rcu_dereference(), leaves the critical section, and uses the pointer after that. Luckily, it's called either inside a nested RCU critical section or with the RTNL held. Annotate it with rcu_dereference_rtnl() instead, and remove the inner RCU critical section. Fixes: 4cb4f97b7e36 ("bonding: rebuild the lock use for bond_mii_monitor()") Reviewed-by: Jiri Pirko Signed-off-by: Johannes Berg Acked-by: Jay Vosburgh Link: https://patch.msgid.link/20240719094119.35c62455087d.I68eb9c0f02545b364b79a59f2110f2cf5682a8e2@changeid Signed-off-by: Paolo Abeni Signed-off-by: Sasha Levin --- drivers/net/bonding/bond_main.c | 7 ++----- 1 file changed, 2 insertions(+), 5 deletions(-) diff --git a/drivers/net/bonding/bond_main.c b/drivers/net/bonding/bond_main.c index 50fabba04248..c07b9bac1a6a 100644 --- a/drivers/net/bonding/bond_main.c +++ b/drivers/net/bonding/bond_main.c @@ -1052,13 +1052,10 @@ static struct slave *bond_find_best_slave(struct bonding *bond) return bestslave; } +/* must be called in RCU critical section or with RTNL held */ static bool bond_should_notify_peers(struct bonding *bond) { - struct slave *slave; - - rcu_read_lock(); - slave = rcu_dereference(bond->curr_active_slave); - rcu_read_unlock(); + struct slave *slave = rcu_dereference_rtnl(bond->curr_active_slave); if (!slave || !bond->send_peer_notif || bond->send_peer_notif % From cf791b98fe0ca825dcd989a53248fd8cedb78c3f Mon Sep 17 00:00:00 2001 From: Florian Westphal Date: Fri, 19 Jul 2024 13:19:26 +0200 Subject: [PATCH 190/702] netfilter: nft_set_pipapo_avx2: disable softinterrupts [ Upstream commit a16909ae9982e931841c456061cb57fbaec9c59e ] We need to disable softinterrupts, else we get following problem: 1. pipapo_avx2 called from process context; fpu usable 2. preempt_disable() called, pcpu scratchmap in use 3. softirq handles rx or tx, we re-enter pipapo_avx2 4. fpu busy, fallback to generic non-avx version 5. fallback reuses scratch map and index, which are in use by the preempted process Handle this same way as generic version by first disabling softinterrupts while the scratchmap is in use. Fixes: f0b3d338064e ("netfilter: nft_set_pipapo_avx2: Add irq_fpu_usable() check, fallback to non-AVX2 version") Cc: Stefano Brivio Signed-off-by: Florian Westphal Reviewed-by: Stefano Brivio Signed-off-by: Pablo Neira Ayuso Signed-off-by: Sasha Levin --- net/netfilter/nft_set_pipapo_avx2.c | 12 ++++++++++-- 1 file changed, 10 insertions(+), 2 deletions(-) diff --git a/net/netfilter/nft_set_pipapo_avx2.c b/net/netfilter/nft_set_pipapo_avx2.c index 60fb8bc0fdcc..13c7e22c9384 100644 --- a/net/netfilter/nft_set_pipapo_avx2.c +++ b/net/netfilter/nft_set_pipapo_avx2.c @@ -1129,8 +1129,14 @@ bool nft_pipapo_avx2_lookup(const struct net *net, const struct nft_set *set, bool map_index; int i, ret = 0; - if (unlikely(!irq_fpu_usable())) - return nft_pipapo_lookup(net, set, key, ext); + local_bh_disable(); + + if (unlikely(!irq_fpu_usable())) { + bool fallback_res = nft_pipapo_lookup(net, set, key, ext); + + local_bh_enable(); + return fallback_res; + } m = rcu_dereference(priv->match); @@ -1140,6 +1146,7 @@ bool nft_pipapo_avx2_lookup(const struct net *net, const struct nft_set *set, scratch = *raw_cpu_ptr(m->scratch); if (unlikely(!scratch)) { kernel_fpu_end(); + local_bh_enable(); return false; } @@ -1220,6 +1227,7 @@ bool nft_pipapo_avx2_lookup(const struct net *net, const struct nft_set *set, if (i % 2) scratch->map_index = !map_index; kernel_fpu_end(); + local_bh_enable(); return ret >= 0; } From aa38bf74899de07cf70b50cd17f8ad45fb6654c8 Mon Sep 17 00:00:00 2001 From: Shigeru Yoshida Date: Tue, 16 Jul 2024 11:09:05 +0900 Subject: [PATCH 191/702] tipc: Return non-zero value from tipc_udp_addr2str() on error [ Upstream commit fa96c6baef1b5385e2f0c0677b32b3839e716076 ] tipc_udp_addr2str() should return non-zero value if the UDP media address is invalid. Otherwise, a buffer overflow access can occur in tipc_media_addr_printf(). Fix this by returning 1 on an invalid UDP media address. Fixes: d0f91938bede ("tipc: add ip/udp media type") Signed-off-by: Shigeru Yoshida Reviewed-by: Tung Nguyen Signed-off-by: David S. Miller Signed-off-by: Sasha Levin --- net/tipc/udp_media.c | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-) diff --git a/net/tipc/udp_media.c b/net/tipc/udp_media.c index 3e47501f024f..ec6d7730b852 100644 --- a/net/tipc/udp_media.c +++ b/net/tipc/udp_media.c @@ -129,8 +129,11 @@ static int tipc_udp_addr2str(struct tipc_media_addr *a, char *buf, int size) snprintf(buf, size, "%pI4:%u", &ua->ipv4, ntohs(ua->port)); else if (ntohs(ua->proto) == ETH_P_IPV6) snprintf(buf, size, "%pI6:%u", &ua->ipv6, ntohs(ua->port)); - else + else { pr_err("Invalid UDP media address\n"); + return 1; + } + return 0; } From dc2a655437c47c53373c4b6970ecaf2aa32d07cd Mon Sep 17 00:00:00 2001 From: Simon Horman Date: Tue, 23 Jul 2024 14:29:27 +0100 Subject: [PATCH 192/702] net: stmmac: Correct byte order of perfect_match [ Upstream commit e9dbebae2e3c338122716914fe105458f41e3a4a ] The perfect_match parameter of the update_vlan_hash operation is __le16, and is correctly converted from host byte-order in the lone caller, stmmac_vlan_update(). However, the implementations of this caller, dwxgmac2_update_vlan_hash() and dwxgmac2_update_vlan_hash(), both treat this parameter as host byte order, using the following pattern: u32 value = ... ... writel(value | perfect_match, ...); This is not correct because both: 1) value is host byte order; and 2) writel expects a host byte order value as it's first argument I believe that this will break on big endian systems. And I expect it has gone unnoticed by only being exercised on little endian systems. The approach taken by this patch is to update the callback, and it's caller to simply use a host byte order value. Flagged by Sparse. Compile tested only. Fixes: c7ab0b8088d7 ("net: stmmac: Fallback to VLAN Perfect filtering if HASH is not available") Signed-off-by: Simon Horman Reviewed-by: Maxime Chevallier Signed-off-by: David S. Miller Signed-off-by: Sasha Levin --- drivers/net/ethernet/stmicro/stmmac/dwmac4_core.c | 2 +- drivers/net/ethernet/stmicro/stmmac/dwxgmac2_core.c | 2 +- drivers/net/ethernet/stmicro/stmmac/hwif.h | 2 +- drivers/net/ethernet/stmicro/stmmac/stmmac_main.c | 4 ++-- 4 files changed, 5 insertions(+), 5 deletions(-) diff --git a/drivers/net/ethernet/stmicro/stmmac/dwmac4_core.c b/drivers/net/ethernet/stmicro/stmmac/dwmac4_core.c index 5c6073d95f02..c315e0605baa 100644 --- a/drivers/net/ethernet/stmicro/stmmac/dwmac4_core.c +++ b/drivers/net/ethernet/stmicro/stmmac/dwmac4_core.c @@ -938,7 +938,7 @@ static void dwmac4_set_mac_loopback(void __iomem *ioaddr, bool enable) } static void dwmac4_update_vlan_hash(struct mac_device_info *hw, u32 hash, - __le16 perfect_match, bool is_double) + u16 perfect_match, bool is_double) { void __iomem *ioaddr = hw->pcsr; u32 value; diff --git a/drivers/net/ethernet/stmicro/stmmac/dwxgmac2_core.c b/drivers/net/ethernet/stmicro/stmmac/dwxgmac2_core.c index 86f70ea9a520..357762ce23ff 100644 --- a/drivers/net/ethernet/stmicro/stmmac/dwxgmac2_core.c +++ b/drivers/net/ethernet/stmicro/stmmac/dwxgmac2_core.c @@ -581,7 +581,7 @@ static int dwxgmac2_rss_configure(struct mac_device_info *hw, } static void dwxgmac2_update_vlan_hash(struct mac_device_info *hw, u32 hash, - __le16 perfect_match, bool is_double) + u16 perfect_match, bool is_double) { void __iomem *ioaddr = hw->pcsr; diff --git a/drivers/net/ethernet/stmicro/stmmac/hwif.h b/drivers/net/ethernet/stmicro/stmmac/hwif.h index 8b7ec2457eba..d7ea2fd944ee 100644 --- a/drivers/net/ethernet/stmicro/stmmac/hwif.h +++ b/drivers/net/ethernet/stmicro/stmmac/hwif.h @@ -368,7 +368,7 @@ struct stmmac_ops { struct stmmac_rss *cfg, u32 num_rxq); /* VLAN */ void (*update_vlan_hash)(struct mac_device_info *hw, u32 hash, - __le16 perfect_match, bool is_double); + u16 perfect_match, bool is_double); void (*enable_vlan)(struct mac_device_info *hw, u32 type); int (*add_hw_vlan_rx_fltr)(struct net_device *dev, struct mac_device_info *hw, diff --git a/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c b/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c index 8416a186cd7f..b8581a711514 100644 --- a/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c +++ b/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c @@ -4660,7 +4660,7 @@ static u32 stmmac_vid_crc32_le(__le16 vid_le) static int stmmac_vlan_update(struct stmmac_priv *priv, bool is_double) { u32 crc, hash = 0; - __le16 pmatch = 0; + u16 pmatch = 0; int count = 0; u16 vid = 0; @@ -4675,7 +4675,7 @@ static int stmmac_vlan_update(struct stmmac_priv *priv, bool is_double) if (count > 2) /* VID = 0 always passes filter */ return -EOPNOTSUPP; - pmatch = cpu_to_le16(vid); + pmatch = vid; hash = 0; } From 5cc4d71dda2dd4f1520f40e634a527022e48ccd8 Mon Sep 17 00:00:00 2001 From: Petr Machata Date: Tue, 23 Jul 2024 18:04:16 +0200 Subject: [PATCH 193/702] net: nexthop: Initialize all fields in dumped nexthops [ Upstream commit 6d745cd0e9720282cd291d36b9db528aea18add2 ] struct nexthop_grp contains two reserved fields that are not initialized by nla_put_nh_group(), and carry garbage. This can be observed e.g. with strace (edited for clarity): # ip nexthop add id 1 dev lo # ip nexthop add id 101 group 1 # strace -e recvmsg ip nexthop get id 101 ... recvmsg(... [{nla_len=12, nla_type=NHA_GROUP}, [{id=1, weight=0, resvd1=0x69, resvd2=0x67}]] ...) = 52 The fields are reserved and therefore not currently used. But as they are, they leak kernel memory, and the fact they are not just zero complicates repurposing of the fields for new ends. Initialize the full structure. Fixes: 430a049190de ("nexthop: Add support for nexthop groups") Signed-off-by: Petr Machata Reviewed-by: Ido Schimmel Reviewed-by: Eric Dumazet Signed-off-by: David S. Miller Signed-off-by: Sasha Levin --- net/ipv4/nexthop.c | 7 ++++--- 1 file changed, 4 insertions(+), 3 deletions(-) diff --git a/net/ipv4/nexthop.c b/net/ipv4/nexthop.c index 7a0102a4b1de..a508fd94b8be 100644 --- a/net/ipv4/nexthop.c +++ b/net/ipv4/nexthop.c @@ -210,9 +210,10 @@ static int nla_put_nh_group(struct sk_buff *skb, struct nh_group *nhg) p = nla_data(nla); for (i = 0; i < nhg->num_nh; ++i) { - p->id = nhg->nh_entries[i].nh->id; - p->weight = nhg->nh_entries[i].weight - 1; - p += 1; + *p++ = (struct nexthop_grp) { + .id = nhg->nh_entries[i].nh->id, + .weight = nhg->nh_entries[i].weight - 1, + }; } return 0; From dda518dea60d556a2d171c0122ca7d9fdb7d473a Mon Sep 17 00:00:00 2001 From: Fred Li Date: Fri, 19 Jul 2024 10:46:53 +0800 Subject: [PATCH 194/702] bpf: Fix a segment issue when downgrading gso_size [ Upstream commit fa5ef655615a01533035c6139248c5b33aa27028 ] Linearize the skb when downgrading gso_size because it may trigger a BUG_ON() later when the skb is segmented as described in [1,2]. Fixes: 2be7e212d5419 ("bpf: add bpf_skb_adjust_room helper") Signed-off-by: Fred Li Signed-off-by: Daniel Borkmann Reviewed-by: Willem de Bruijn Acked-by: Daniel Borkmann Link: https://lore.kernel.org/all/20240626065555.35460-2-dracodingfly@gmail.com [1] Link: https://lore.kernel.org/all/668d5cf1ec330_1c18c32947@willemb.c.googlers.com.notmuch [2] Link: https://lore.kernel.org/bpf/20240719024653.77006-1-dracodingfly@gmail.com Signed-off-by: Sasha Levin --- net/core/filter.c | 15 +++++++++++---- 1 file changed, 11 insertions(+), 4 deletions(-) diff --git a/net/core/filter.c b/net/core/filter.c index a3101cdfd47b..99fdd8afeeda 100644 --- a/net/core/filter.c +++ b/net/core/filter.c @@ -3535,13 +3535,20 @@ static int bpf_skb_net_grow(struct sk_buff *skb, u32 off, u32 len_diff, if (skb_is_gso(skb)) { struct skb_shared_info *shinfo = skb_shinfo(skb); - /* Due to header grow, MSS needs to be downgraded. */ - if (!(flags & BPF_F_ADJ_ROOM_FIXED_GSO)) - skb_decrease_gso_size(shinfo, len_diff); - /* Header must be checked, and gso_segs recomputed. */ shinfo->gso_type |= gso_type; shinfo->gso_segs = 0; + + /* Due to header growth, MSS needs to be downgraded. + * There is a BUG_ON() when segmenting the frag_list with + * head_frag true, so linearize the skb after downgrading + * the MSS. + */ + if (!(flags & BPF_F_ADJ_ROOM_FIXED_GSO)) { + skb_decrease_gso_size(shinfo, len_diff); + if (shinfo->frag_list) + return skb_linearize(skb); + } } return 0; From 9460ac3dd1ae033bc2b021a458fb535a0c36ddb2 Mon Sep 17 00:00:00 2001 From: Dan Carpenter Date: Wed, 24 Jul 2024 11:08:18 -0500 Subject: [PATCH 195/702] mISDN: Fix a use after free in hfcmulti_tx() [ Upstream commit 61ab751451f5ebd0b98e02276a44e23a10110402 ] Don't dereference *sp after calling dev_kfree_skb(*sp). Fixes: af69fb3a8ffa ("Add mISDN HFC multiport driver") Signed-off-by: Dan Carpenter Reviewed-by: Simon Horman Link: https://patch.msgid.link/8be65f5a-c2dd-4ba0-8a10-bfe5980b8cfb@stanley.mountain Signed-off-by: Jakub Kicinski Signed-off-by: Sasha Levin --- drivers/isdn/hardware/mISDN/hfcmulti.c | 7 ++++--- 1 file changed, 4 insertions(+), 3 deletions(-) diff --git a/drivers/isdn/hardware/mISDN/hfcmulti.c b/drivers/isdn/hardware/mISDN/hfcmulti.c index 4c5b6772562d..a0697d64aab3 100644 --- a/drivers/isdn/hardware/mISDN/hfcmulti.c +++ b/drivers/isdn/hardware/mISDN/hfcmulti.c @@ -1931,7 +1931,7 @@ hfcmulti_dtmf(struct hfc_multi *hc) static void hfcmulti_tx(struct hfc_multi *hc, int ch) { - int i, ii, temp, len = 0; + int i, ii, temp, tmp_len, len = 0; int Zspace, z1, z2; /* must be int for calculation */ int Fspace, f1, f2; u_char *d; @@ -2152,14 +2152,15 @@ hfcmulti_tx(struct hfc_multi *hc, int ch) HFC_wait_nodebug(hc); } + tmp_len = (*sp)->len; dev_kfree_skb(*sp); /* check for next frame */ if (bch && get_next_bframe(bch)) { - len = (*sp)->len; + len = tmp_len; goto next_frame; } if (dch && get_next_dframe(dch)) { - len = (*sp)->len; + len = tmp_len; goto next_frame; } From 347dcb84a4874b5fb375092c08d8cc4069b94f81 Mon Sep 17 00:00:00 2001 From: Xiao Liang Date: Sat, 2 Sep 2023 08:48:38 +0800 Subject: [PATCH 196/702] apparmor: Fix null pointer deref when receiving skb during sock creation [ Upstream commit fce09ea314505a52f2436397608fa0a5d0934fb1 ] The panic below is observed when receiving ICMP packets with secmark set while an ICMP raw socket is being created. SK_CTX(sk)->label is updated in apparmor_socket_post_create(), but the packet is delivered to the socket before that, causing the null pointer dereference. Drop the packet if label context is not set. BUG: kernel NULL pointer dereference, address: 000000000000004c #PF: supervisor read access in kernel mode #PF: error_code(0x0000) - not-present page PGD 0 P4D 0 Oops: 0000 [#1] PREEMPT SMP NOPTI CPU: 0 PID: 407 Comm: a.out Not tainted 6.4.12-arch1-1 #1 3e6fa2753a2d75925c34ecb78e22e85a65d083df Hardware name: VMware, Inc. VMware Virtual Platform/440BX Desktop Reference Platform, BIOS 6.00 05/28/2020 RIP: 0010:aa_label_next_confined+0xb/0x40 Code: 00 00 48 89 ef e8 d5 25 0c 00 e9 66 ff ff ff 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 66 0f 1f 00 0f 1f 44 00 00 89 f0 <8b> 77 4c 39 c6 7e 1f 48 63 d0 48 8d 14 d7 eb 0b 83 c0 01 48 83 c2 RSP: 0018:ffffa92940003b08 EFLAGS: 00010246 RAX: 0000000000000000 RBX: 0000000000000000 RCX: 000000000000000e RDX: ffffa92940003be8 RSI: 0000000000000000 RDI: 0000000000000000 RBP: ffff8b57471e7800 R08: ffff8b574c642400 R09: 0000000000000002 R10: ffffffffbd820eeb R11: ffffffffbeb7ff00 R12: ffff8b574c642400 R13: 0000000000000001 R14: 0000000000000001 R15: 0000000000000000 FS: 00007fb092ea7640(0000) GS:ffff8b577bc00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000000000000004c CR3: 00000001020f2005 CR4: 00000000007706f0 PKRU: 55555554 Call Trace: ? __die+0x23/0x70 ? page_fault_oops+0x171/0x4e0 ? exc_page_fault+0x7f/0x180 ? asm_exc_page_fault+0x26/0x30 ? aa_label_next_confined+0xb/0x40 apparmor_secmark_check+0xec/0x330 security_sock_rcv_skb+0x35/0x50 sk_filter_trim_cap+0x47/0x250 sock_queue_rcv_skb_reason+0x20/0x60 raw_rcv+0x13c/0x210 raw_local_deliver+0x1f3/0x250 ip_protocol_deliver_rcu+0x4f/0x2f0 ip_local_deliver_finish+0x76/0xa0 __netif_receive_skb_one_core+0x89/0xa0 netif_receive_skb+0x119/0x170 ? __netdev_alloc_skb+0x3d/0x140 vmxnet3_rq_rx_complete+0xb23/0x1010 [vmxnet3 56a84f9c97178c57a43a24ec073b45a9d6f01f3a] vmxnet3_poll_rx_only+0x36/0xb0 [vmxnet3 56a84f9c97178c57a43a24ec073b45a9d6f01f3a] __napi_poll+0x28/0x1b0 net_rx_action+0x2a4/0x380 __do_softirq+0xd1/0x2c8 __irq_exit_rcu+0xbb/0xf0 common_interrupt+0x86/0xa0 asm_common_interrupt+0x26/0x40 RIP: 0010:apparmor_socket_post_create+0xb/0x200 Code: 08 48 85 ff 75 a1 eb b1 0f 1f 80 00 00 00 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 f3 0f 1e fa 0f 1f 44 00 00 41 54 <55> 48 89 fd 53 45 85 c0 0f 84 b2 00 00 00 48 8b 1d 80 56 3f 02 48 RSP: 0018:ffffa92940ce7e50 EFLAGS: 00000286 RAX: ffffffffbc756440 RBX: 0000000000000000 RCX: 0000000000000001 RDX: 0000000000000003 RSI: 0000000000000002 RDI: ffff8b574eaab740 RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000000000 R10: ffff8b57444cec70 R11: 0000000000000000 R12: 0000000000000003 R13: 0000000000000002 R14: ffff8b574eaab740 R15: ffffffffbd8e4748 ? __pfx_apparmor_socket_post_create+0x10/0x10 security_socket_post_create+0x4b/0x80 __sock_create+0x176/0x1f0 __sys_socket+0x89/0x100 __x64_sys_socket+0x17/0x20 do_syscall_64+0x5d/0x90 ? do_syscall_64+0x6c/0x90 ? do_syscall_64+0x6c/0x90 ? do_syscall_64+0x6c/0x90 entry_SYSCALL_64_after_hwframe+0x72/0xdc Fixes: ab9f2115081a ("apparmor: Allow filtering based on secmark policy") Signed-off-by: Xiao Liang Signed-off-by: John Johansen Signed-off-by: Sasha Levin --- security/apparmor/lsm.c | 7 +++++++ 1 file changed, 7 insertions(+) diff --git a/security/apparmor/lsm.c b/security/apparmor/lsm.c index 052f1b920e43..37aa1650c74e 100644 --- a/security/apparmor/lsm.c +++ b/security/apparmor/lsm.c @@ -1048,6 +1048,13 @@ static int apparmor_socket_sock_rcv_skb(struct sock *sk, struct sk_buff *skb) if (!skb->secmark) return 0; + /* + * If reach here before socket_post_create hook is called, in which + * case label is null, drop the packet. + */ + if (!ctx->label) + return -EACCES; + return apparmor_secmark_check(ctx->label, OP_RECVMSG, AA_MAY_RECEIVE, skb->secmark, sk); } From ea72a8881007b6924c11cb9a3ecb67946478e121 Mon Sep 17 00:00:00 2001 From: Al Viro Date: Thu, 30 May 2024 23:54:55 -0400 Subject: [PATCH 197/702] powerpc: fix a file leak in kvm_vcpu_ioctl_enable_cap() [ Upstream commit b4cf5fc01ce83e5c0bcf3dbb9f929428646b9098 ] missing fdput() on one of the failure exits Fixes: eacc56bb9de3e # v5.2 Signed-off-by: Al Viro Signed-off-by: Sasha Levin --- arch/powerpc/kvm/powerpc.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/arch/powerpc/kvm/powerpc.c b/arch/powerpc/kvm/powerpc.c index ef8077a739b8..0f5ebec660a7 100644 --- a/arch/powerpc/kvm/powerpc.c +++ b/arch/powerpc/kvm/powerpc.c @@ -1956,8 +1956,10 @@ static int kvm_vcpu_ioctl_enable_cap(struct kvm_vcpu *vcpu, break; r = -ENXIO; - if (!xive_enabled()) + if (!xive_enabled()) { + fdput(f); break; + } r = -EPERM; dev = kvm_device_from_filp(f.file); From 3ff431695351b4b705f4a23b7fa1b219a2160cb5 Mon Sep 17 00:00:00 2001 From: Al Viro Date: Thu, 30 May 2024 23:58:26 -0400 Subject: [PATCH 198/702] lirc: rc_dev_get_from_fd(): fix file leak [ Upstream commit bba1f6758a9ec90c1adac5dcf78f8a15f1bad65b ] missing fdput() on a failure exit Fixes: 6a9d552483d50 "media: rc: bpf attach/detach requires write permission" # v6.9 Signed-off-by: Al Viro Signed-off-by: Sasha Levin --- drivers/media/rc/lirc_dev.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/drivers/media/rc/lirc_dev.c b/drivers/media/rc/lirc_dev.c index 14243ce03b46..c59601487334 100644 --- a/drivers/media/rc/lirc_dev.c +++ b/drivers/media/rc/lirc_dev.c @@ -840,8 +840,10 @@ struct rc_dev *rc_dev_get_from_fd(int fd, bool write) return ERR_PTR(-EINVAL); } - if (write && !(f.file->f_mode & FMODE_WRITE)) + if (write && !(f.file->f_mode & FMODE_WRITE)) { + fdput(f); return ERR_PTR(-EPERM); + } fh = f.file->private_data; dev = fh->rc; From eb1b7575fe52f76d10cc014d11b308a5203adf5f Mon Sep 17 00:00:00 2001 From: Pierre-Louis Bossart Date: Mon, 22 Jul 2024 10:30:02 +0200 Subject: [PATCH 199/702] ASoC: Intel: use soc_intel_is_byt_cr() only when IOSF_MBI is reachable MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit [ Upstream commit 9931f7d5d251882a147cc5811060097df43e79f5 ] the Intel kbuild bot reports a link failure when IOSF_MBI is built-in but the Merrifield driver is configured as a module. The soc-intel-quirks.h is included for Merrifield platforms, but IOSF_MBI is not selected for that platform. ld.lld: error: undefined symbol: iosf_mbi_read >>> referenced by atom.c >>> sound/soc/sof/intel/atom.o:(atom_machine_select) in archive vmlinux.a This patch forces the use of the fallback static inline when IOSF_MBI is not reachable. Fixes: 536cfd2f375d ("ASoC: Intel: use common helpers to detect CPUs") Reported-by: kernel test robot Closes: https://lore.kernel.org/oe-kbuild-all/202407160704.zpdhJ8da-lkp@intel.com/ Suggested-by: Takashi Iwai Signed-off-by: Pierre-Louis Bossart Reviewed-by: Péter Ujfalusi Reviewed-by: Bard Liao Link: https://patch.msgid.link/20240722083002.10800-1-pierre-louis.bossart@linux.intel.com Signed-off-by: Mark Brown Signed-off-by: Sasha Levin --- sound/soc/intel/common/soc-intel-quirks.h | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/sound/soc/intel/common/soc-intel-quirks.h b/sound/soc/intel/common/soc-intel-quirks.h index de4e550c5b34..42bd51456b94 100644 --- a/sound/soc/intel/common/soc-intel-quirks.h +++ b/sound/soc/intel/common/soc-intel-quirks.h @@ -11,7 +11,7 @@ #include -#if IS_ENABLED(CONFIG_X86) +#if IS_REACHABLE(CONFIG_IOSF_MBI) #include #include From b59013d264b6a8e73cff5cd4ddbc45dc2cab8b95 Mon Sep 17 00:00:00 2001 From: ethanwu Date: Thu, 11 Jul 2024 14:47:56 +0800 Subject: [PATCH 200/702] ceph: fix incorrect kmalloc size of pagevec mempool [ Upstream commit 03230edb0bd831662a7c08b6fef66b2a9a817774 ] The kmalloc size of pagevec mempool is incorrectly calculated. It misses the size of page pointer and only accounts the number for the array. Fixes: a0102bda5bc0 ("ceph: move sb->wb_pagevec_pool to be a global mempool") Signed-off-by: ethanwu Reviewed-by: Xiubo Li Signed-off-by: Ilya Dryomov Signed-off-by: Sasha Levin --- fs/ceph/super.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/fs/ceph/super.c b/fs/ceph/super.c index f2aff97348bc..4e09d8e06647 100644 --- a/fs/ceph/super.c +++ b/fs/ceph/super.c @@ -783,7 +783,8 @@ static int __init init_caches(void) if (!ceph_mds_request_cachep) goto bad_mds_req; - ceph_wb_pagevec_pool = mempool_create_kmalloc_pool(10, CEPH_MAX_WRITE_SIZE >> PAGE_SHIFT); + ceph_wb_pagevec_pool = mempool_create_kmalloc_pool(10, + (CEPH_MAX_WRITE_SIZE >> PAGE_SHIFT) * sizeof(struct page *)); if (!ceph_wb_pagevec_pool) goto bad_pagevec_pool; From ce90f30157ebd44b83dc3526760067157897517a Mon Sep 17 00:00:00 2001 From: Jens Axboe Date: Fri, 29 Oct 2021 14:32:44 -0600 Subject: [PATCH 201/702] nvme: split command copy into a helper [ Upstream commit 3233b94cf842984ea7e208d5be1ad2f2af02d495 ] We'll need it for batched submit as well. Since we now have a copy helper, get rid of the nvme_submit_cmd() wrapper. Reviewed-by: Chaitanya Kulkarni Reviewed-by: Hannes Reinecke Reviewed-by: Max Gurtovoy Reviewed-by: Christoph Hellwig Signed-off-by: Jens Axboe Stable-dep-of: c31fad147038 ("nvme-pci: add missing condition check for existence of mapped data") Signed-off-by: Sasha Levin --- drivers/nvme/host/pci.c | 26 ++++++++++++-------------- 1 file changed, 12 insertions(+), 14 deletions(-) diff --git a/drivers/nvme/host/pci.c b/drivers/nvme/host/pci.c index a7131f4752e2..1436aee1f861 100644 --- a/drivers/nvme/host/pci.c +++ b/drivers/nvme/host/pci.c @@ -486,22 +486,13 @@ static inline void nvme_write_sq_db(struct nvme_queue *nvmeq, bool write_sq) nvmeq->last_sq_tail = nvmeq->sq_tail; } -/** - * nvme_submit_cmd() - Copy a command into a queue and ring the doorbell - * @nvmeq: The queue to use - * @cmd: The command to send - * @write_sq: whether to write to the SQ doorbell - */ -static void nvme_submit_cmd(struct nvme_queue *nvmeq, struct nvme_command *cmd, - bool write_sq) +static inline void nvme_sq_copy_cmd(struct nvme_queue *nvmeq, + struct nvme_command *cmd) { - spin_lock(&nvmeq->sq_lock); memcpy(nvmeq->sq_cmds + (nvmeq->sq_tail << nvmeq->sqes), - cmd, sizeof(*cmd)); + absolute_pointer(cmd), sizeof(*cmd)); if (++nvmeq->sq_tail == nvmeq->q_depth) nvmeq->sq_tail = 0; - nvme_write_sq_db(nvmeq, write_sq); - spin_unlock(&nvmeq->sq_lock); } static void nvme_commit_rqs(struct blk_mq_hw_ctx *hctx) @@ -945,7 +936,10 @@ static blk_status_t nvme_queue_rq(struct blk_mq_hw_ctx *hctx, } blk_mq_start_request(req); - nvme_submit_cmd(nvmeq, cmnd, bd->last); + spin_lock(&nvmeq->sq_lock); + nvme_sq_copy_cmd(nvmeq, &iod->cmd); + nvme_write_sq_db(nvmeq, bd->last); + spin_unlock(&nvmeq->sq_lock); return BLK_STS_OK; out_unmap_data: nvme_unmap_data(dev, req); @@ -1120,7 +1114,11 @@ static void nvme_pci_submit_async_event(struct nvme_ctrl *ctrl) memset(&c, 0, sizeof(c)); c.common.opcode = nvme_admin_async_event; c.common.command_id = NVME_AQ_BLK_MQ_DEPTH; - nvme_submit_cmd(nvmeq, &c, true); + + spin_lock(&nvmeq->sq_lock); + nvme_sq_copy_cmd(nvmeq, &c); + nvme_write_sq_db(nvmeq, true); + spin_unlock(&nvmeq->sq_lock); } static int adapter_delete_queue(struct nvme_dev *dev, u8 opcode, u16 id) From be23ae63080e0bf9e246ab20207200bca6585eba Mon Sep 17 00:00:00 2001 From: Leon Romanovsky Date: Wed, 24 Jul 2024 13:31:14 +0300 Subject: [PATCH 202/702] nvme-pci: add missing condition check for existence of mapped data [ Upstream commit c31fad1470389666ac7169fe43aa65bf5b7e2cfd ] nvme_map_data() is called when request has physical segments, hence the nvme_unmap_data() should have same condition to avoid dereference. Fixes: 4aedb705437f ("nvme-pci: split metadata handling from nvme_map_data / nvme_unmap_data") Signed-off-by: Leon Romanovsky Reviewed-by: Christoph Hellwig Reviewed-by: Nitesh Shetty Signed-off-by: Keith Busch Signed-off-by: Sasha Levin --- drivers/nvme/host/pci.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/drivers/nvme/host/pci.c b/drivers/nvme/host/pci.c index 1436aee1f861..4a4b7aa74835 100644 --- a/drivers/nvme/host/pci.c +++ b/drivers/nvme/host/pci.c @@ -942,7 +942,8 @@ static blk_status_t nvme_queue_rq(struct blk_mq_hw_ctx *hctx, spin_unlock(&nvmeq->sq_lock); return BLK_STS_OK; out_unmap_data: - nvme_unmap_data(dev, req); + if (blk_rq_nr_phys_segments(req)) + nvme_unmap_data(dev, req); out_free_cmd: nvme_cleanup_cmd(req); return ret; From d28869a145cff53c9e6af7a68e67847d3fccb811 Mon Sep 17 00:00:00 2001 From: "Seth Forshee (DigitalOcean)" Date: Wed, 24 Jul 2024 09:53:59 -0500 Subject: [PATCH 203/702] fs: don't allow non-init s_user_ns for filesystems without FS_USERNS_MOUNT [ Upstream commit e1c5ae59c0f22f7fe5c07fb5513a29e4aad868c9 ] Christian noticed that it is possible for a privileged user to mount most filesystems with a non-initial user namespace in sb->s_user_ns. When fsopen() is called in a non-init namespace the caller's namespace is recorded in fs_context->user_ns. If the returned file descriptor is then passed to a process priviliged in init_user_ns, that process can call fsconfig(fd_fs, FSCONFIG_CMD_CREATE), creating a new superblock with sb->s_user_ns set to the namespace of the process which called fsopen(). This is problematic. We cannot assume that any filesystem which does not set FS_USERNS_MOUNT has been written with a non-initial s_user_ns in mind, increasing the risk for bugs and security issues. Prevent this by returning EPERM from sget_fc() when FS_USERNS_MOUNT is not set for the filesystem and a non-initial user namespace will be used. sget() does not need to be updated as it always uses the user namespace of the current context, or the initial user namespace if SB_SUBMOUNT is set. Fixes: cb50b348c71f ("convenience helpers: vfs_get_super() and sget_fc()") Reported-by: Christian Brauner Signed-off-by: Seth Forshee (DigitalOcean) Link: https://lore.kernel.org/r/20240724-s_user_ns-fix-v1-1-895d07c94701@kernel.org Reviewed-by: Alexander Mikhalitsyn Signed-off-by: Christian Brauner Signed-off-by: Sasha Levin --- fs/super.c | 11 +++++++++++ 1 file changed, 11 insertions(+) diff --git a/fs/super.c b/fs/super.c index f9795e72e3bf..282aa36901eb 100644 --- a/fs/super.c +++ b/fs/super.c @@ -518,6 +518,17 @@ struct super_block *sget_fc(struct fs_context *fc, struct user_namespace *user_ns = fc->global ? &init_user_ns : fc->user_ns; int err; + /* + * Never allow s_user_ns != &init_user_ns when FS_USERNS_MOUNT is + * not set, as the filesystem is likely unprepared to handle it. + * This can happen when fsconfig() is called from init_user_ns with + * an fs_fd opened in another user namespace. + */ + if (user_ns != &init_user_ns && !(fc->fs_type->fs_flags & FS_USERNS_MOUNT)) { + errorfc(fc, "VFS: Mounting from non-initial user namespace is not allowed"); + return ERR_PTR(-EPERM); + } + retry: spin_lock(&sb_lock); if (test) { From 2fa82af6fd04cdc3b0e9f7e40bd7773c4a3cd739 Mon Sep 17 00:00:00 2001 From: Esben Haabendal Date: Thu, 30 May 2024 16:46:37 +0200 Subject: [PATCH 204/702] powerpc/configs: Update defconfig with now user-visible CONFIG_FSL_IFC commit 45547a0a93d85f704b49788cde2e1d9ab9cd363b upstream. With CONFIG_FSL_IFC now being user-visible, and thus changed from a select to depends in CONFIG_MTD_NAND_FSL_IFC, the dependencies needs to be selected in defconfigs. Depends-on: 9ba0cae3cac0 ("memory: fsl_ifc: Make FSL_IFC config visible and selectable") Signed-off-by: Esben Haabendal Reviewed-by: Krzysztof Kozlowski Signed-off-by: Michael Ellerman Link: https://msgid.link/20240530-fsl-ifc-config-v3-2-1fd2c3d233dd@geanix.com Signed-off-by: Greg Kroah-Hartman --- arch/powerpc/configs/85xx-hw.config | 2 ++ 1 file changed, 2 insertions(+) diff --git a/arch/powerpc/configs/85xx-hw.config b/arch/powerpc/configs/85xx-hw.config index 524db76f47b7..8aff83217397 100644 --- a/arch/powerpc/configs/85xx-hw.config +++ b/arch/powerpc/configs/85xx-hw.config @@ -24,6 +24,7 @@ CONFIG_FS_ENET=y CONFIG_FSL_CORENET_CF=y CONFIG_FSL_DMA=y CONFIG_FSL_HV_MANAGER=y +CONFIG_FSL_IFC=y CONFIG_FSL_PQ_MDIO=y CONFIG_FSL_RIO=y CONFIG_FSL_XGMAC_MDIO=y @@ -58,6 +59,7 @@ CONFIG_INPUT_FF_MEMLESS=m CONFIG_MARVELL_PHY=y CONFIG_MDIO_BUS_MUX_GPIO=y CONFIG_MDIO_BUS_MUX_MMIOREG=y +CONFIG_MEMORY=y CONFIG_MMC_SDHCI_OF_ESDHC=y CONFIG_MMC_SDHCI_PLTFM=y CONFIG_MMC_SDHCI=y From 997d3c9cbed656ed1ef6f36e8818f0a4ce1f75cc Mon Sep 17 00:00:00 2001 From: Miklos Szeredi Date: Wed, 4 Aug 2021 13:22:58 +0200 Subject: [PATCH 205/702] fuse: name fs_context consistently [ Upstream commit 84c215075b5723ab946708a6c74c26bd3c51114c ] Naming convention under fs/fuse/: struct fuse_conn *fc; struct fs_context *fsc; Signed-off-by: Miklos Szeredi Stable-dep-of: 525bd65aa759 ("fuse: verify {g,u}id mount options correctly") Signed-off-by: Sasha Levin --- fs/fuse/control.c | 10 ++++---- fs/fuse/inode.c | 60 ++++++++++++++++++++++----------------------- fs/fuse/virtio_fs.c | 12 ++++----- 3 files changed, 41 insertions(+), 41 deletions(-) diff --git a/fs/fuse/control.c b/fs/fuse/control.c index 24b4d9db231d..79f01d09c78c 100644 --- a/fs/fuse/control.c +++ b/fs/fuse/control.c @@ -328,7 +328,7 @@ void fuse_ctl_remove_conn(struct fuse_conn *fc) drop_nlink(d_inode(fuse_control_sb->s_root)); } -static int fuse_ctl_fill_super(struct super_block *sb, struct fs_context *fctx) +static int fuse_ctl_fill_super(struct super_block *sb, struct fs_context *fsc) { static const struct tree_descr empty_descr = {""}; struct fuse_conn *fc; @@ -354,18 +354,18 @@ static int fuse_ctl_fill_super(struct super_block *sb, struct fs_context *fctx) return 0; } -static int fuse_ctl_get_tree(struct fs_context *fc) +static int fuse_ctl_get_tree(struct fs_context *fsc) { - return get_tree_single(fc, fuse_ctl_fill_super); + return get_tree_single(fsc, fuse_ctl_fill_super); } static const struct fs_context_operations fuse_ctl_context_ops = { .get_tree = fuse_ctl_get_tree, }; -static int fuse_ctl_init_fs_context(struct fs_context *fc) +static int fuse_ctl_init_fs_context(struct fs_context *fsc) { - fc->ops = &fuse_ctl_context_ops; + fsc->ops = &fuse_ctl_context_ops; return 0; } diff --git a/fs/fuse/inode.c b/fs/fuse/inode.c index 4a7ebccd359e..5f9b2dc59135 100644 --- a/fs/fuse/inode.c +++ b/fs/fuse/inode.c @@ -141,12 +141,12 @@ static void fuse_evict_inode(struct inode *inode) } } -static int fuse_reconfigure(struct fs_context *fc) +static int fuse_reconfigure(struct fs_context *fsc) { - struct super_block *sb = fc->root->d_sb; + struct super_block *sb = fsc->root->d_sb; sync_filesystem(sb); - if (fc->sb_flags & SB_MANDLOCK) + if (fsc->sb_flags & SB_MANDLOCK) return -EINVAL; return 0; @@ -535,38 +535,38 @@ static const struct fs_parameter_spec fuse_fs_parameters[] = { {} }; -static int fuse_parse_param(struct fs_context *fc, struct fs_parameter *param) +static int fuse_parse_param(struct fs_context *fsc, struct fs_parameter *param) { struct fs_parse_result result; - struct fuse_fs_context *ctx = fc->fs_private; + struct fuse_fs_context *ctx = fsc->fs_private; int opt; - if (fc->purpose == FS_CONTEXT_FOR_RECONFIGURE) { + if (fsc->purpose == FS_CONTEXT_FOR_RECONFIGURE) { /* * Ignore options coming from mount(MS_REMOUNT) for backward * compatibility. */ - if (fc->oldapi) + if (fsc->oldapi) return 0; - return invalfc(fc, "No changes allowed in reconfigure"); + return invalfc(fsc, "No changes allowed in reconfigure"); } - opt = fs_parse(fc, fuse_fs_parameters, param, &result); + opt = fs_parse(fsc, fuse_fs_parameters, param, &result); if (opt < 0) return opt; switch (opt) { case OPT_SOURCE: - if (fc->source) - return invalfc(fc, "Multiple sources specified"); - fc->source = param->string; + if (fsc->source) + return invalfc(fsc, "Multiple sources specified"); + fsc->source = param->string; param->string = NULL; break; case OPT_SUBTYPE: if (ctx->subtype) - return invalfc(fc, "Multiple subtypes specified"); + return invalfc(fsc, "Multiple subtypes specified"); ctx->subtype = param->string; param->string = NULL; return 0; @@ -578,22 +578,22 @@ static int fuse_parse_param(struct fs_context *fc, struct fs_parameter *param) case OPT_ROOTMODE: if (!fuse_valid_type(result.uint_32)) - return invalfc(fc, "Invalid rootmode"); + return invalfc(fsc, "Invalid rootmode"); ctx->rootmode = result.uint_32; ctx->rootmode_present = true; break; case OPT_USER_ID: - ctx->user_id = make_kuid(fc->user_ns, result.uint_32); + ctx->user_id = make_kuid(fsc->user_ns, result.uint_32); if (!uid_valid(ctx->user_id)) - return invalfc(fc, "Invalid user_id"); + return invalfc(fsc, "Invalid user_id"); ctx->user_id_present = true; break; case OPT_GROUP_ID: - ctx->group_id = make_kgid(fc->user_ns, result.uint_32); + ctx->group_id = make_kgid(fsc->user_ns, result.uint_32); if (!gid_valid(ctx->group_id)) - return invalfc(fc, "Invalid group_id"); + return invalfc(fsc, "Invalid group_id"); ctx->group_id_present = true; break; @@ -611,7 +611,7 @@ static int fuse_parse_param(struct fs_context *fc, struct fs_parameter *param) case OPT_BLKSIZE: if (!ctx->is_bdev) - return invalfc(fc, "blksize only supported for fuseblk"); + return invalfc(fsc, "blksize only supported for fuseblk"); ctx->blksize = result.uint_32; break; @@ -622,9 +622,9 @@ static int fuse_parse_param(struct fs_context *fc, struct fs_parameter *param) return 0; } -static void fuse_free_fc(struct fs_context *fc) +static void fuse_free_fsc(struct fs_context *fsc) { - struct fuse_fs_context *ctx = fc->fs_private; + struct fuse_fs_context *ctx = fsc->fs_private; if (ctx) { kfree(ctx->subtype); @@ -1486,9 +1486,9 @@ static int fuse_fill_super(struct super_block *sb, struct fs_context *fsc) return err; } -static int fuse_get_tree(struct fs_context *fc) +static int fuse_get_tree(struct fs_context *fsc) { - struct fuse_fs_context *ctx = fc->fs_private; + struct fuse_fs_context *ctx = fsc->fs_private; if (!ctx->fd_present || !ctx->rootmode_present || !ctx->user_id_present || !ctx->group_id_present) @@ -1496,14 +1496,14 @@ static int fuse_get_tree(struct fs_context *fc) #ifdef CONFIG_BLOCK if (ctx->is_bdev) - return get_tree_bdev(fc, fuse_fill_super); + return get_tree_bdev(fsc, fuse_fill_super); #endif - return get_tree_nodev(fc, fuse_fill_super); + return get_tree_nodev(fsc, fuse_fill_super); } static const struct fs_context_operations fuse_context_ops = { - .free = fuse_free_fc, + .free = fuse_free_fsc, .parse_param = fuse_parse_param, .reconfigure = fuse_reconfigure, .get_tree = fuse_get_tree, @@ -1512,7 +1512,7 @@ static const struct fs_context_operations fuse_context_ops = { /* * Set up the filesystem mount context. */ -static int fuse_init_fs_context(struct fs_context *fc) +static int fuse_init_fs_context(struct fs_context *fsc) { struct fuse_fs_context *ctx; @@ -1525,14 +1525,14 @@ static int fuse_init_fs_context(struct fs_context *fc) ctx->legacy_opts_show = true; #ifdef CONFIG_BLOCK - if (fc->fs_type == &fuseblk_fs_type) { + if (fsc->fs_type == &fuseblk_fs_type) { ctx->is_bdev = true; ctx->destroy = true; } #endif - fc->fs_private = ctx; - fc->ops = &fuse_context_ops; + fsc->fs_private = ctx; + fsc->ops = &fuse_context_ops; return 0; } diff --git a/fs/fuse/virtio_fs.c b/fs/fuse/virtio_fs.c index faadc80485e7..7d4655022afc 100644 --- a/fs/fuse/virtio_fs.c +++ b/fs/fuse/virtio_fs.c @@ -97,14 +97,14 @@ static const struct fs_parameter_spec virtio_fs_parameters[] = { {} }; -static int virtio_fs_parse_param(struct fs_context *fc, +static int virtio_fs_parse_param(struct fs_context *fsc, struct fs_parameter *param) { struct fs_parse_result result; - struct fuse_fs_context *ctx = fc->fs_private; + struct fuse_fs_context *ctx = fsc->fs_private; int opt; - opt = fs_parse(fc, virtio_fs_parameters, param, &result); + opt = fs_parse(fsc, virtio_fs_parameters, param, &result); if (opt < 0) return opt; @@ -119,9 +119,9 @@ static int virtio_fs_parse_param(struct fs_context *fc, return 0; } -static void virtio_fs_free_fc(struct fs_context *fc) +static void virtio_fs_free_fsc(struct fs_context *fsc) { - struct fuse_fs_context *ctx = fc->fs_private; + struct fuse_fs_context *ctx = fsc->fs_private; kfree(ctx); } @@ -1500,7 +1500,7 @@ static int virtio_fs_get_tree(struct fs_context *fsc) } static const struct fs_context_operations virtio_fs_context_ops = { - .free = virtio_fs_free_fc, + .free = virtio_fs_free_fsc, .parse_param = virtio_fs_parse_param, .get_tree = virtio_fs_get_tree, }; From 88f053a1dd34c9e41c1c65e55375fe5217437fbf Mon Sep 17 00:00:00 2001 From: Eric Sandeen Date: Tue, 2 Jul 2024 17:22:41 -0500 Subject: [PATCH 206/702] fuse: verify {g,u}id mount options correctly [ Upstream commit 525bd65aa759ec320af1dc06e114ed69733e9e23 ] As was done in 0200679fc795 ("tmpfs: verify {g,u}id mount options correctly") we need to validate that the requested uid and/or gid is representable in the filesystem's idmapping. Cribbing from the above commit log, The contract for {g,u}id mount options and {g,u}id values in general set from userspace has always been that they are translated according to the caller's idmapping. In so far, fuse has been doing the correct thing. But since fuse is mountable in unprivileged contexts it is also necessary to verify that the resulting {k,g}uid is representable in the namespace of the superblock. Fixes: c30da2e981a7 ("fuse: convert to use the new mount API") Cc: stable@vger.kernel.org # 5.4+ Signed-off-by: Eric Sandeen Link: https://lore.kernel.org/r/8f07d45d-c806-484d-a2e3-7a2199df1cd2@redhat.com Reviewed-by: Christian Brauner Reviewed-by: Josef Bacik Signed-off-by: Christian Brauner Signed-off-by: Sasha Levin --- fs/fuse/inode.c | 24 ++++++++++++++++++++---- 1 file changed, 20 insertions(+), 4 deletions(-) diff --git a/fs/fuse/inode.c b/fs/fuse/inode.c index 5f9b2dc59135..a5d1eb0bc521 100644 --- a/fs/fuse/inode.c +++ b/fs/fuse/inode.c @@ -540,6 +540,8 @@ static int fuse_parse_param(struct fs_context *fsc, struct fs_parameter *param) struct fs_parse_result result; struct fuse_fs_context *ctx = fsc->fs_private; int opt; + kuid_t kuid; + kgid_t kgid; if (fsc->purpose == FS_CONTEXT_FOR_RECONFIGURE) { /* @@ -584,16 +586,30 @@ static int fuse_parse_param(struct fs_context *fsc, struct fs_parameter *param) break; case OPT_USER_ID: - ctx->user_id = make_kuid(fsc->user_ns, result.uint_32); - if (!uid_valid(ctx->user_id)) + kuid = make_kuid(fsc->user_ns, result.uint_32); + if (!uid_valid(kuid)) return invalfc(fsc, "Invalid user_id"); + /* + * The requested uid must be representable in the + * filesystem's idmapping. + */ + if (!kuid_has_mapping(fsc->user_ns, kuid)) + return invalfc(fsc, "Invalid user_id"); + ctx->user_id = kuid; ctx->user_id_present = true; break; case OPT_GROUP_ID: - ctx->group_id = make_kgid(fsc->user_ns, result.uint_32); - if (!gid_valid(ctx->group_id)) + kgid = make_kgid(fsc->user_ns, result.uint_32);; + if (!gid_valid(kgid)) return invalfc(fsc, "Invalid group_id"); + /* + * The requested gid must be representable in the + * filesystem's idmapping. + */ + if (!kgid_has_mapping(fsc->user_ns, kgid)) + return invalfc(fsc, "Invalid group_id"); + ctx->group_id = kgid; ctx->group_id_present = true; break; From b2591c89a6e2858796111138c38fcb6851aa1955 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Thomas=20Wei=C3=9Fschuh?= Date: Tue, 2 Apr 2024 23:10:34 +0200 Subject: [PATCH 207/702] sysctl: always initialize i_uid/i_gid MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit [ Upstream commit 98ca62ba9e2be5863c7d069f84f7166b45a5b2f4 ] Always initialize i_uid/i_gid inside the sysfs core so set_ownership() can safely skip setting them. Commit 5ec27ec735ba ("fs/proc/proc_sysctl.c: fix the default values of i_uid/i_gid on /proc/sys inodes.") added defaults for i_uid/i_gid when set_ownership() was not implemented. It also missed adjusting net_ctl_set_ownership() to use the same default values in case the computation of a better value failed. Fixes: 5ec27ec735ba ("fs/proc/proc_sysctl.c: fix the default values of i_uid/i_gid on /proc/sys inodes.") Cc: stable@vger.kernel.org Signed-off-by: Thomas Weißschuh Signed-off-by: Joel Granados Signed-off-by: Sasha Levin --- fs/proc/proc_sysctl.c | 6 ++---- 1 file changed, 2 insertions(+), 4 deletions(-) diff --git a/fs/proc/proc_sysctl.c b/fs/proc/proc_sysctl.c index aff9593feb73..f5c967735335 100644 --- a/fs/proc/proc_sysctl.c +++ b/fs/proc/proc_sysctl.c @@ -471,12 +471,10 @@ static struct inode *proc_sys_make_inode(struct super_block *sb, make_empty_dir_inode(inode); } + inode->i_uid = GLOBAL_ROOT_UID; + inode->i_gid = GLOBAL_ROOT_GID; if (root->set_ownership) root->set_ownership(head, table, &inode->i_uid, &inode->i_gid); - else { - inode->i_uid = GLOBAL_ROOT_UID; - inode->i_gid = GLOBAL_ROOT_GID; - } return inode; } From 4b6d9a0fe743956596c91c7f4eed59b3c67af368 Mon Sep 17 00:00:00 2001 From: Zhang Yi Date: Fri, 17 May 2024 20:39:56 +0800 Subject: [PATCH 208/702] ext4: factor out a common helper to query extent map [ Upstream commit 8e4e5cdf2fdeb99445a468b6b6436ad79b9ecb30 ] Factor out a new common helper ext4_map_query_blocks() from the ext4_da_map_blocks(), it query and return the extent map status on the inode's extent path, no logic changes. Signed-off-by: Zhang Yi Reviewed-by: Jan Kara Reviewed-by: Ritesh Harjani (IBM) Link: https://patch.msgid.link/20240517124005.347221-2-yi.zhang@huaweicloud.com Signed-off-by: Theodore Ts'o Stable-dep-of: 0ea6560abb3b ("ext4: check the extent status again before inserting delalloc block") Signed-off-by: Sasha Levin --- fs/ext4/inode.c | 57 +++++++++++++++++++++++++++---------------------- 1 file changed, 32 insertions(+), 25 deletions(-) diff --git a/fs/ext4/inode.c b/fs/ext4/inode.c index 8b48ed351c4b..a252c84edac8 100644 --- a/fs/ext4/inode.c +++ b/fs/ext4/inode.c @@ -484,6 +484,35 @@ static void ext4_map_blocks_es_recheck(handle_t *handle, } #endif /* ES_AGGRESSIVE_TEST */ +static int ext4_map_query_blocks(handle_t *handle, struct inode *inode, + struct ext4_map_blocks *map) +{ + unsigned int status; + int retval; + + if (ext4_test_inode_flag(inode, EXT4_INODE_EXTENTS)) + retval = ext4_ext_map_blocks(handle, inode, map, 0); + else + retval = ext4_ind_map_blocks(handle, inode, map, 0); + + if (retval <= 0) + return retval; + + if (unlikely(retval != map->m_len)) { + ext4_warning(inode->i_sb, + "ES len assertion failed for inode " + "%lu: retval %d != map->m_len %d", + inode->i_ino, retval, map->m_len); + WARN_ON(1); + } + + status = map->m_flags & EXT4_MAP_UNWRITTEN ? + EXTENT_STATUS_UNWRITTEN : EXTENT_STATUS_WRITTEN; + ext4_es_insert_extent(inode, map->m_lblk, map->m_len, + map->m_pblk, status); + return retval; +} + /* * The ext4_map_blocks() function tries to look up the requested blocks, * and returns if the blocks are already mapped. @@ -1767,33 +1796,11 @@ static int ext4_da_map_blocks(struct inode *inode, sector_t iblock, down_read(&EXT4_I(inode)->i_data_sem); if (ext4_has_inline_data(inode)) retval = 0; - else if (ext4_test_inode_flag(inode, EXT4_INODE_EXTENTS)) - retval = ext4_ext_map_blocks(NULL, inode, map, 0); else - retval = ext4_ind_map_blocks(NULL, inode, map, 0); - if (retval < 0) { - up_read(&EXT4_I(inode)->i_data_sem); - return retval; - } - if (retval > 0) { - unsigned int status; - - if (unlikely(retval != map->m_len)) { - ext4_warning(inode->i_sb, - "ES len assertion failed for inode " - "%lu: retval %d != map->m_len %d", - inode->i_ino, retval, map->m_len); - WARN_ON(1); - } - - status = map->m_flags & EXT4_MAP_UNWRITTEN ? - EXTENT_STATUS_UNWRITTEN : EXTENT_STATUS_WRITTEN; - ext4_es_insert_extent(inode, map->m_lblk, map->m_len, - map->m_pblk, status); - up_read(&EXT4_I(inode)->i_data_sem); - return retval; - } + retval = ext4_map_query_blocks(NULL, inode, map); up_read(&EXT4_I(inode)->i_data_sem); + if (retval) + return retval; add_delayed: down_write(&EXT4_I(inode)->i_data_sem); From 58b07286aef1556e8c667a9d53815dbaffc06178 Mon Sep 17 00:00:00 2001 From: Zhang Yi Date: Fri, 17 May 2024 20:39:57 +0800 Subject: [PATCH 209/702] ext4: check the extent status again before inserting delalloc block [ Upstream commit 0ea6560abb3bac1ffcfa4bf6b2c4d344fdc27b3c ] ext4_da_map_blocks looks up for any extent entry in the extent status tree (w/o i_data_sem) and then the looks up for any ondisk extent mapping (with i_data_sem in read mode). If it finds a hole in the extent status tree or if it couldn't find any entry at all, it then takes the i_data_sem in write mode to add a da entry into the extent status tree. This can actually race with page mkwrite & fallocate path. Note that this is ok between 1. ext4 buffered-write path v/s ext4_page_mkwrite(), because of the folio lock 2. ext4 buffered write path v/s ext4 fallocate because of the inode lock. But this can race between ext4_page_mkwrite() & ext4 fallocate path ext4_page_mkwrite() ext4_fallocate() block_page_mkwrite() ext4_da_map_blocks() //find hole in extent status tree ext4_alloc_file_blocks() ext4_map_blocks() //allocate block and unwritten extent ext4_insert_delayed_block() ext4_da_reserve_space() //reserve one more block ext4_es_insert_delayed_block() //drop unwritten extent and add delayed extent by mistake Then, the delalloc extent is wrong until writeback and the extra reserved block can't be released any more and it triggers below warning: EXT4-fs (pmem2): Inode 13 (00000000bbbd4d23): i_reserved_data_blocks(1) not cleared! Fix the problem by looking up extent status tree again while the i_data_sem is held in write mode. If it still can't find any entry, then we insert a new da entry into the extent status tree. Cc: stable@vger.kernel.org Signed-off-by: Zhang Yi Reviewed-by: Jan Kara Link: https://patch.msgid.link/20240517124005.347221-3-yi.zhang@huaweicloud.com Signed-off-by: Theodore Ts'o Signed-off-by: Sasha Levin --- fs/ext4/inode.c | 21 +++++++++++++++++++++ 1 file changed, 21 insertions(+) diff --git a/fs/ext4/inode.c b/fs/ext4/inode.c index a252c84edac8..6e9323a56d28 100644 --- a/fs/ext4/inode.c +++ b/fs/ext4/inode.c @@ -1760,6 +1760,7 @@ static int ext4_da_map_blocks(struct inode *inode, sector_t iblock, if (ext4_es_is_hole(&es)) goto add_delayed; +found: /* * Delayed extent could be allocated by fallocate. * So we need to check it. @@ -1804,6 +1805,26 @@ static int ext4_da_map_blocks(struct inode *inode, sector_t iblock, add_delayed: down_write(&EXT4_I(inode)->i_data_sem); + /* + * Page fault path (ext4_page_mkwrite does not take i_rwsem) + * and fallocate path (no folio lock) can race. Make sure we + * lookup the extent status tree here again while i_data_sem + * is held in write mode, before inserting a new da entry in + * the extent status tree. + */ + if (ext4_es_lookup_extent(inode, iblock, NULL, &es)) { + if (!ext4_es_is_hole(&es)) { + up_write(&EXT4_I(inode)->i_data_sem); + goto found; + } + } else if (!ext4_has_inline_data(inode)) { + retval = ext4_map_query_blocks(NULL, inode, map); + if (retval) { + up_write(&EXT4_I(inode)->i_data_sem); + return retval; + } + } + retval = ext4_insert_delayed_block(inode, map->m_lblk); up_write(&EXT4_I(inode)->i_data_sem); if (retval) From 79ec4cde1d8a6128382aa9d94a5ec83cbc4b3708 Mon Sep 17 00:00:00 2001 From: Michael Tretter Date: Wed, 25 Aug 2021 17:03:10 +0200 Subject: [PATCH 210/702] soc: xilinx: move PM_INIT_FINALIZE to zynqmp_pm_domains driver [ Upstream commit 7fd890b89dea55eb5866640eb8befad26d558161 ] PM_INIT_FINALIZE tells the PMU FW that Linux is able to handle the power management nodes that are provided by the PMU FW. Nodes that are not requested are shut down after this call. Calling PM_INIT_FINALIZE from the zynqmp_power driver is wrong. The PM node request mechanism is implemented in the zynqmp_pm_domains driver, which must also call PM_INIT_FINALIZE. Due to the behavior of the PMU FW, all devices must be powered up before PM_INIT_FINALIZE is called, because otherwise the devices might misbehave. Calling PM_INIT_FINALIZE from the sync_state device callback ensures that all users probed successfully before the PMU FW is allowed to power off unused domains. Signed-off-by: Michael Tretter Acked-by: Michal Simek Acked-by: Rajan Vaja Link: https://lore.kernel.org/r/20210825150313.4033156-2-m.tretter@pengutronix.de Signed-off-by: Michal Simek Stable-dep-of: 9b003e14801c ("drivers: soc: xilinx: check return status of get_api_version()") Signed-off-by: Sasha Levin --- drivers/soc/xilinx/zynqmp_pm_domains.c | 16 ++++++++++++++++ drivers/soc/xilinx/zynqmp_power.c | 1 - 2 files changed, 16 insertions(+), 1 deletion(-) diff --git a/drivers/soc/xilinx/zynqmp_pm_domains.c b/drivers/soc/xilinx/zynqmp_pm_domains.c index 226d343f0a6a..81e8e10f1092 100644 --- a/drivers/soc/xilinx/zynqmp_pm_domains.c +++ b/drivers/soc/xilinx/zynqmp_pm_domains.c @@ -152,11 +152,17 @@ static int zynqmp_gpd_power_off(struct generic_pm_domain *domain) static int zynqmp_gpd_attach_dev(struct generic_pm_domain *domain, struct device *dev) { + struct device_link *link; int ret; struct zynqmp_pm_domain *pd; pd = container_of(domain, struct zynqmp_pm_domain, gpd); + link = device_link_add(dev, &domain->dev, DL_FLAG_SYNC_STATE_ONLY); + if (!link) + dev_dbg(&domain->dev, "failed to create device link for %s\n", + dev_name(dev)); + /* If this is not the first device to attach there is nothing to do */ if (domain->device_count) return 0; @@ -299,9 +305,19 @@ static int zynqmp_gpd_remove(struct platform_device *pdev) return 0; } +static void zynqmp_gpd_sync_state(struct device *dev) +{ + int ret; + + ret = zynqmp_pm_init_finalize(); + if (ret) + dev_warn(dev, "failed to release power management to firmware\n"); +} + static struct platform_driver zynqmp_power_domain_driver = { .driver = { .name = "zynqmp_power_controller", + .sync_state = zynqmp_gpd_sync_state, }, .probe = zynqmp_gpd_probe, .remove = zynqmp_gpd_remove, diff --git a/drivers/soc/xilinx/zynqmp_power.c b/drivers/soc/xilinx/zynqmp_power.c index c556623dae02..f8c301984d4f 100644 --- a/drivers/soc/xilinx/zynqmp_power.c +++ b/drivers/soc/xilinx/zynqmp_power.c @@ -178,7 +178,6 @@ static int zynqmp_pm_probe(struct platform_device *pdev) u32 pm_api_version; struct mbox_client *client; - zynqmp_pm_init_finalize(); zynqmp_pm_get_api_version(&pm_api_version); /* Check PM API version number */ From 6bb9cc6e25942b13ebe1e2241b3c5b6317031793 Mon Sep 17 00:00:00 2001 From: Jay Buddhabhatti Date: Wed, 15 May 2024 04:23:45 -0700 Subject: [PATCH 211/702] drivers: soc: xilinx: check return status of get_api_version() [ Upstream commit 9b003e14801cf85a8cebeddc87bc9fc77100fdce ] Currently return status is not getting checked for get_api_version and because of that for x86 arch we are getting below smatch error. CC drivers/soc/xilinx/zynqmp_power.o drivers/soc/xilinx/zynqmp_power.c: In function 'zynqmp_pm_probe': drivers/soc/xilinx/zynqmp_power.c:295:12: warning: 'pm_api_version' is used uninitialized [-Wuninitialized] 295 | if (pm_api_version < ZYNQMP_PM_VERSION) | ^ CHECK drivers/soc/xilinx/zynqmp_power.c drivers/soc/xilinx/zynqmp_power.c:295 zynqmp_pm_probe() error: uninitialized symbol 'pm_api_version'. So, check return status of pm_get_api_version and return error in case of failure to avoid checking uninitialized pm_api_version variable. Fixes: b9b3a8be28b3 ("firmware: xilinx: Remove eemi ops for get_api_version") Signed-off-by: Jay Buddhabhatti Cc: stable@vger.kernel.org Link: https://lore.kernel.org/r/20240515112345.24673-1-jay.buddhabhatti@amd.com Signed-off-by: Michal Simek Signed-off-by: Sasha Levin --- drivers/soc/xilinx/zynqmp_power.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/drivers/soc/xilinx/zynqmp_power.c b/drivers/soc/xilinx/zynqmp_power.c index f8c301984d4f..2653d29ba829 100644 --- a/drivers/soc/xilinx/zynqmp_power.c +++ b/drivers/soc/xilinx/zynqmp_power.c @@ -178,7 +178,9 @@ static int zynqmp_pm_probe(struct platform_device *pdev) u32 pm_api_version; struct mbox_client *client; - zynqmp_pm_get_api_version(&pm_api_version); + ret = zynqmp_pm_get_api_version(&pm_api_version); + if (ret) + return ret; /* Check PM API version number */ if (pm_api_version < ZYNQMP_PM_VERSION) From 81484ab2858b2a929499d4baa79336e74954f82e Mon Sep 17 00:00:00 2001 From: Andy Shevchenko Date: Thu, 1 Apr 2021 20:10:30 +0300 Subject: [PATCH 212/702] driver core: Cast to (void *) with __force for __percpu pointer [ Upstream commit d7aa44f5a1f86cb40659eef06035d8d92604b9d5 ] Sparse is not happy: drivers/base/devres.c:1230:9: warning: cast removes address space '__percpu' of expression Use __force attribute to make it happy. Signed-off-by: Andy Shevchenko Link: https://lore.kernel.org/r/20210401171030.60527-1-andriy.shevchenko@linux.intel.com Signed-off-by: Greg Kroah-Hartman Stable-dep-of: bd50a974097b ("devres: Fix memory leakage caused by driver API devm_free_percpu()") Signed-off-by: Sasha Levin --- drivers/base/devres.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/base/devres.c b/drivers/base/devres.c index 452541ce0dc8..a1508eeb8ebd 100644 --- a/drivers/base/devres.c +++ b/drivers/base/devres.c @@ -1231,6 +1231,6 @@ EXPORT_SYMBOL_GPL(__devm_alloc_percpu); void devm_free_percpu(struct device *dev, void __percpu *pdata) { WARN_ON(devres_destroy(dev, devm_percpu_release, devm_percpu_match, - (void *)pdata)); + (__force void *)pdata)); } EXPORT_SYMBOL_GPL(devm_free_percpu); From ef56dcdca8f2a53abc3a83d388b8336447533d85 Mon Sep 17 00:00:00 2001 From: Zijun Hu Date: Tue, 2 Jul 2024 22:51:51 +0800 Subject: [PATCH 213/702] devres: Fix memory leakage caused by driver API devm_free_percpu() [ Upstream commit bd50a974097bb82d52a458bd3ee39fb723129a0c ] It will cause memory leakage when use driver API devm_free_percpu() to free memory allocated by devm_alloc_percpu(), fixed by using devres_release() instead of devres_destroy() within devm_free_percpu(). Fixes: ff86aae3b411 ("devres: add devm_alloc_percpu()") Cc: stable@vger.kernel.org Signed-off-by: Zijun Hu Link: https://lore.kernel.org/r/1719931914-19035-3-git-send-email-quic_zijuhu@quicinc.com Signed-off-by: Greg Kroah-Hartman Signed-off-by: Sasha Levin --- drivers/base/devres.c | 6 +++++- 1 file changed, 5 insertions(+), 1 deletion(-) diff --git a/drivers/base/devres.c b/drivers/base/devres.c index a1508eeb8ebd..8a74008c13c4 100644 --- a/drivers/base/devres.c +++ b/drivers/base/devres.c @@ -1230,7 +1230,11 @@ EXPORT_SYMBOL_GPL(__devm_alloc_percpu); */ void devm_free_percpu(struct device *dev, void __percpu *pdata) { - WARN_ON(devres_destroy(dev, devm_percpu_release, devm_percpu_match, + /* + * Use devres_release() to prevent memory leakage as + * devm_free_pages() does. + */ + WARN_ON(devres_release(dev, devm_percpu_release, devm_percpu_match, (__force void *)pdata)); } EXPORT_SYMBOL_GPL(devm_free_percpu); From 652e7b4d730067934b544e4d74cd574813045e37 Mon Sep 17 00:00:00 2001 From: Marc Zyngier Date: Tue, 1 Feb 2022 12:02:59 +0000 Subject: [PATCH 214/702] genirq: Allow the PM device to originate from irq domain [ Upstream commit 1f8863bfb5ca500ea1c7669b16b1931ba27fce20 ] As a preparation to moving the reference to the device used for runtime power management, add a new 'dev' field to the irqdomain structure for that exact purpose. The irq_chip_pm_{get,put}() helpers are made aware of the dual location via a new private helper. No functional change intended. Signed-off-by: Marc Zyngier Reviewed-by: Geert Uytterhoeven Tested-by: Geert Uytterhoeven Tested-by: Tony Lindgren Acked-by: Bartosz Golaszewski Link: https://lore.kernel.org/r/20220201120310.878267-2-maz@kernel.org Stable-dep-of: 33b1c47d1fc0 ("irqchip/imx-irqsteer: Handle runtime power management correctly") Signed-off-by: Sasha Levin --- include/linux/irqdomain.h | 10 ++++++++++ kernel/irq/chip.c | 23 ++++++++++++++++++----- 2 files changed, 28 insertions(+), 5 deletions(-) diff --git a/include/linux/irqdomain.h b/include/linux/irqdomain.h index 9b9743f7538c..60f53eadfa42 100644 --- a/include/linux/irqdomain.h +++ b/include/linux/irqdomain.h @@ -149,6 +149,8 @@ struct irq_domain_chip_generic; * @gc: Pointer to a list of generic chips. There is a helper function for * setting up one or more generic chips for interrupt controllers * drivers using the generic chip library which uses this pointer. + * @dev: Pointer to a device that the domain represent, and that will be + * used for power management purposes. * @parent: Pointer to parent irq_domain to support hierarchy irq_domains * @debugfs_file: dentry for the domain debugfs file * @@ -171,6 +173,7 @@ struct irq_domain { struct fwnode_handle *fwnode; enum irq_domain_bus_token bus_token; struct irq_domain_chip_generic *gc; + struct device *dev; #ifdef CONFIG_IRQ_DOMAIN_HIERARCHY struct irq_domain *parent; #endif @@ -227,6 +230,13 @@ static inline struct device_node *irq_domain_get_of_node(struct irq_domain *d) return to_of_node(d->fwnode); } +static inline void irq_domain_set_pm_device(struct irq_domain *d, + struct device *dev) +{ + if (d) + d->dev = dev; +} + #ifdef CONFIG_IRQ_DOMAIN struct fwnode_handle *__irq_domain_alloc_fwnode(unsigned int type, int id, const char *name, phys_addr_t *pa); diff --git a/kernel/irq/chip.c b/kernel/irq/chip.c index e7d284261d45..b8aa9e22105f 100644 --- a/kernel/irq/chip.c +++ b/kernel/irq/chip.c @@ -1586,6 +1586,17 @@ int irq_chip_compose_msi_msg(struct irq_data *data, struct msi_msg *msg) return 0; } +static struct device *irq_get_parent_device(struct irq_data *data) +{ + if (data->chip->parent_device) + return data->chip->parent_device; + + if (data->domain) + return data->domain->dev; + + return NULL; +} + /** * irq_chip_pm_get - Enable power for an IRQ chip * @data: Pointer to interrupt specific data @@ -1595,12 +1606,13 @@ int irq_chip_compose_msi_msg(struct irq_data *data, struct msi_msg *msg) */ int irq_chip_pm_get(struct irq_data *data) { + struct device *dev = irq_get_parent_device(data); int retval; - if (IS_ENABLED(CONFIG_PM) && data->chip->parent_device) { - retval = pm_runtime_get_sync(data->chip->parent_device); + if (IS_ENABLED(CONFIG_PM) && dev) { + retval = pm_runtime_get_sync(dev); if (retval < 0) { - pm_runtime_put_noidle(data->chip->parent_device); + pm_runtime_put_noidle(dev); return retval; } } @@ -1618,10 +1630,11 @@ int irq_chip_pm_get(struct irq_data *data) */ int irq_chip_pm_put(struct irq_data *data) { + struct device *dev = irq_get_parent_device(data); int retval = 0; - if (IS_ENABLED(CONFIG_PM) && data->chip->parent_device) - retval = pm_runtime_put(data->chip->parent_device); + if (IS_ENABLED(CONFIG_PM) && dev) + retval = pm_runtime_put(dev); return (retval < 0) ? retval : 0; } From 06a93b720351d7fc5b11f39fd4a91bc9197e79ee Mon Sep 17 00:00:00 2001 From: Lucas Stach Date: Wed, 6 Apr 2022 18:37:00 +0200 Subject: [PATCH 215/702] irqchip/imx-irqsteer: Constify irq_chip struct [ Upstream commit e9a50f12e579a48e124ac5adb93dafc35f0a46b8 ] The imx_irqsteer_irq_chip struct is constant data. Signed-off-by: Lucas Stach Signed-off-by: Marc Zyngier Link: https://lore.kernel.org/r/20220406163701.1277930-1-l.stach@pengutronix.de Stable-dep-of: 33b1c47d1fc0 ("irqchip/imx-irqsteer: Handle runtime power management correctly") Signed-off-by: Sasha Levin --- drivers/irqchip/irq-imx-irqsteer.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/irqchip/irq-imx-irqsteer.c b/drivers/irqchip/irq-imx-irqsteer.c index 1edf7692a790..c9998b46414c 100644 --- a/drivers/irqchip/irq-imx-irqsteer.c +++ b/drivers/irqchip/irq-imx-irqsteer.c @@ -70,7 +70,7 @@ static void imx_irqsteer_irq_mask(struct irq_data *d) raw_spin_unlock_irqrestore(&data->lock, flags); } -static struct irq_chip imx_irqsteer_irq_chip = { +static const struct irq_chip imx_irqsteer_irq_chip = { .name = "irqsteer", .irq_mask = imx_irqsteer_irq_mask, .irq_unmask = imx_irqsteer_irq_unmask, From 0548b54d0a26a60e159f0d550b09987630fb8846 Mon Sep 17 00:00:00 2001 From: Lucas Stach Date: Wed, 6 Apr 2022 18:37:01 +0200 Subject: [PATCH 216/702] irqchip/imx-irqsteer: Add runtime PM support [ Upstream commit 4730d2233311d86cad9dc510318d1b40e4b53cf2 ] There are now SoCs that integrate the irqsteer controller within a separate power domain. In order to allow this domain to be powered down when not needed, add runtime PM support to the driver. Signed-off-by: Lucas Stach Signed-off-by: Marc Zyngier Link: https://lore.kernel.org/r/20220406163701.1277930-2-l.stach@pengutronix.de Stable-dep-of: 33b1c47d1fc0 ("irqchip/imx-irqsteer: Handle runtime power management correctly") Signed-off-by: Sasha Levin --- drivers/irqchip/irq-imx-irqsteer.c | 14 +++++++++++--- 1 file changed, 11 insertions(+), 3 deletions(-) diff --git a/drivers/irqchip/irq-imx-irqsteer.c b/drivers/irqchip/irq-imx-irqsteer.c index c9998b46414c..b1ecdb08c618 100644 --- a/drivers/irqchip/irq-imx-irqsteer.c +++ b/drivers/irqchip/irq-imx-irqsteer.c @@ -12,6 +12,7 @@ #include #include #include +#include #include #define CTRL_STRIDE_OFF(_t, _r) (_t * 4 * _r) @@ -178,7 +179,7 @@ static int imx_irqsteer_probe(struct platform_device *pdev) data->irq_count = DIV_ROUND_UP(irqs_num, 64); data->reg_num = irqs_num / 32; - if (IS_ENABLED(CONFIG_PM_SLEEP)) { + if (IS_ENABLED(CONFIG_PM)) { data->saved_reg = devm_kzalloc(&pdev->dev, sizeof(u32) * data->reg_num, GFP_KERNEL); @@ -202,6 +203,7 @@ static int imx_irqsteer_probe(struct platform_device *pdev) ret = -ENOMEM; goto out; } + irq_domain_set_pm_device(data->domain, &pdev->dev); if (!data->irq_count || data->irq_count > CHAN_MAX_OUTPUT_INT) { ret = -EINVAL; @@ -222,6 +224,9 @@ static int imx_irqsteer_probe(struct platform_device *pdev) platform_set_drvdata(pdev, data); + pm_runtime_set_active(&pdev->dev); + pm_runtime_enable(&pdev->dev); + return 0; out: clk_disable_unprepare(data->ipg_clk); @@ -244,7 +249,7 @@ static int imx_irqsteer_remove(struct platform_device *pdev) return 0; } -#ifdef CONFIG_PM_SLEEP +#ifdef CONFIG_PM static void imx_irqsteer_save_regs(struct irqsteer_data *data) { int i; @@ -291,7 +296,10 @@ static int imx_irqsteer_resume(struct device *dev) #endif static const struct dev_pm_ops imx_irqsteer_pm_ops = { - SET_NOIRQ_SYSTEM_SLEEP_PM_OPS(imx_irqsteer_suspend, imx_irqsteer_resume) + SET_NOIRQ_SYSTEM_SLEEP_PM_OPS(pm_runtime_force_suspend, + pm_runtime_force_resume) + SET_RUNTIME_PM_OPS(imx_irqsteer_suspend, + imx_irqsteer_resume, NULL) }; static const struct of_device_id imx_irqsteer_dt_ids[] = { From 3a2884a44e5cda192df1b28e9925661f79f599a1 Mon Sep 17 00:00:00 2001 From: Shenwei Wang Date: Wed, 3 Jul 2024 11:32:50 -0500 Subject: [PATCH 217/702] irqchip/imx-irqsteer: Handle runtime power management correctly [ Upstream commit 33b1c47d1fc0b5f06a393bb915db85baacba18ea ] The power domain is automatically activated from clk_prepare(). However, on certain platforms like i.MX8QM and i.MX8QXP, the power-on handling invokes sleeping functions, which triggers the 'scheduling while atomic' bug in the context switch path during device probing: BUG: scheduling while atomic: kworker/u13:1/48/0x00000002 Call trace: __schedule_bug+0x54/0x6c __schedule+0x7f0/0xa94 schedule+0x5c/0xc4 schedule_preempt_disabled+0x24/0x40 __mutex_lock.constprop.0+0x2c0/0x540 __mutex_lock_slowpath+0x14/0x20 mutex_lock+0x48/0x54 clk_prepare_lock+0x44/0xa0 clk_prepare+0x20/0x44 imx_irqsteer_resume+0x28/0xe0 pm_generic_runtime_resume+0x2c/0x44 __genpd_runtime_resume+0x30/0x80 genpd_runtime_resume+0xc8/0x2c0 __rpm_callback+0x48/0x1d8 rpm_callback+0x6c/0x78 rpm_resume+0x490/0x6b4 __pm_runtime_resume+0x50/0x94 irq_chip_pm_get+0x2c/0xa0 __irq_do_set_handler+0x178/0x24c irq_set_chained_handler_and_data+0x60/0xa4 mxc_gpio_probe+0x160/0x4b0 Cure this by implementing the irq_bus_lock/sync_unlock() interrupt chip callbacks and handle power management in them as they are invoked from non-atomic context. [ tglx: Rewrote change log, added Fixes tag ] Fixes: 0136afa08967 ("irqchip: Add driver for imx-irqsteer controller") Signed-off-by: Shenwei Wang Signed-off-by: Thomas Gleixner Cc: stable@vger.kernel.org Link: https://lore.kernel.org/r/20240703163250.47887-1-shenwei.wang@nxp.com Signed-off-by: Sasha Levin --- drivers/irqchip/irq-imx-irqsteer.c | 24 +++++++++++++++++++++--- 1 file changed, 21 insertions(+), 3 deletions(-) diff --git a/drivers/irqchip/irq-imx-irqsteer.c b/drivers/irqchip/irq-imx-irqsteer.c index b1ecdb08c618..4bdcefa44f11 100644 --- a/drivers/irqchip/irq-imx-irqsteer.c +++ b/drivers/irqchip/irq-imx-irqsteer.c @@ -35,6 +35,7 @@ struct irqsteer_data { int channel; struct irq_domain *domain; u32 *saved_reg; + struct device *dev; }; static int imx_irqsteer_get_reg_index(struct irqsteer_data *data, @@ -71,10 +72,26 @@ static void imx_irqsteer_irq_mask(struct irq_data *d) raw_spin_unlock_irqrestore(&data->lock, flags); } +static void imx_irqsteer_irq_bus_lock(struct irq_data *d) +{ + struct irqsteer_data *data = d->chip_data; + + pm_runtime_get_sync(data->dev); +} + +static void imx_irqsteer_irq_bus_sync_unlock(struct irq_data *d) +{ + struct irqsteer_data *data = d->chip_data; + + pm_runtime_put_autosuspend(data->dev); +} + static const struct irq_chip imx_irqsteer_irq_chip = { - .name = "irqsteer", - .irq_mask = imx_irqsteer_irq_mask, - .irq_unmask = imx_irqsteer_irq_unmask, + .name = "irqsteer", + .irq_mask = imx_irqsteer_irq_mask, + .irq_unmask = imx_irqsteer_irq_unmask, + .irq_bus_lock = imx_irqsteer_irq_bus_lock, + .irq_bus_sync_unlock = imx_irqsteer_irq_bus_sync_unlock, }; static int imx_irqsteer_irq_map(struct irq_domain *h, unsigned int irq, @@ -152,6 +169,7 @@ static int imx_irqsteer_probe(struct platform_device *pdev) if (!data) return -ENOMEM; + data->dev = &pdev->dev; data->regs = devm_platform_ioremap_resource(pdev, 0); if (IS_ERR(data->regs)) { dev_err(&pdev->dev, "failed to initialize reg\n"); From a4ed3286a5c64d046bb3f37ee9b4748c2a3925c8 Mon Sep 17 00:00:00 2001 From: Peng Fan Date: Sat, 6 Mar 2021 19:24:24 +0800 Subject: [PATCH 218/702] remoteproc: imx_rproc: ignore mapping vdev regions [ Upstream commit 8f2d8961640f0346cbe892273c3260a0d30c1931 ] vdev regions are vdev0vring0, vdev0vring1, vdevbuffer and similar. They are handled by remoteproc common code, no need to map in imx rproc driver. Signed-off-by: Peng Fan Reviewed-by: Mathieu Poirier Link: https://lore.kernel.org/r/1615029865-23312-10-git-send-email-peng.fan@oss.nxp.com Signed-off-by: Bjorn Andersson Stable-dep-of: 2fa26ca8b786 ("remoteproc: imx_rproc: Skip over memory region when node value is NULL") Signed-off-by: Sasha Levin --- drivers/remoteproc/imx_rproc.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/drivers/remoteproc/imx_rproc.c b/drivers/remoteproc/imx_rproc.c index 8957ed271d20..6e233f628920 100644 --- a/drivers/remoteproc/imx_rproc.c +++ b/drivers/remoteproc/imx_rproc.c @@ -287,6 +287,9 @@ static int imx_rproc_addr_init(struct imx_rproc *priv, struct resource res; node = of_parse_phandle(np, "memory-region", a); + /* Not map vdev region */ + if (!strcmp(node->name, "vdev")) + continue; err = of_address_to_resource(node, 0, &res); if (err) { dev_err(dev, "unable to resolve memory region\n"); From 5991ef8e7a9012d81f17b1d291e7105ae925fd2d Mon Sep 17 00:00:00 2001 From: Dong Aisheng Date: Fri, 10 Sep 2021 17:06:19 +0800 Subject: [PATCH 219/702] remoteproc: imx_rproc: Fix ignoring mapping vdev regions [ Upstream commit afe670e23af91d8a74a8d7049f6e0984bbf6ea11 ] vdev regions are typically named vdev0buffer, vdev0ring0, vdev0ring1 and etc. Change to strncmp to cover them all. Fixes: 8f2d8961640f ("remoteproc: imx_rproc: ignore mapping vdev regions") Reviewed-and-tested-by: Peng Fan Signed-off-by: Dong Aisheng Signed-off-by: Peng Fan Cc: stable Link: https://lore.kernel.org/r/20210910090621.3073540-5-peng.fan@oss.nxp.com Signed-off-by: Mathieu Poirier Signed-off-by: Bjorn Andersson Stable-dep-of: 2fa26ca8b786 ("remoteproc: imx_rproc: Skip over memory region when node value is NULL") Signed-off-by: Sasha Levin --- drivers/remoteproc/imx_rproc.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/remoteproc/imx_rproc.c b/drivers/remoteproc/imx_rproc.c index 6e233f628920..517d1b573328 100644 --- a/drivers/remoteproc/imx_rproc.c +++ b/drivers/remoteproc/imx_rproc.c @@ -287,8 +287,8 @@ static int imx_rproc_addr_init(struct imx_rproc *priv, struct resource res; node = of_parse_phandle(np, "memory-region", a); - /* Not map vdev region */ - if (!strcmp(node->name, "vdev")) + /* Not map vdevbuffer, vdevring region */ + if (!strncmp(node->name, "vdev", strlen("vdev"))) continue; err = of_address_to_resource(node, 0, &res); if (err) { From 6b50462b473fdccdc0dfad73001147e40ff19a66 Mon Sep 17 00:00:00 2001 From: Aleksandr Mishin Date: Thu, 6 Jun 2024 10:52:04 +0300 Subject: [PATCH 220/702] remoteproc: imx_rproc: Skip over memory region when node value is NULL [ Upstream commit 2fa26ca8b786888673689ccc9da6094150939982 ] In imx_rproc_addr_init() "nph = of_count_phandle_with_args()" just counts number of phandles. But phandles may be empty. So of_parse_phandle() in the parsing loop (0 < a < nph) may return NULL which is later dereferenced. Adjust this issue by adding NULL-return check. Found by Linux Verification Center (linuxtesting.org) with SVACE. Fixes: a0ff4aa6f010 ("remoteproc: imx_rproc: add a NXP/Freescale imx_rproc driver") Signed-off-by: Aleksandr Mishin Reviewed-by: Peng Fan Cc: stable@vger.kernel.org Link: https://lore.kernel.org/r/20240606075204.12354-1-amishin@t-argos.ru [Fixed title to fit within the prescribed 70-75 charcters] Signed-off-by: Mathieu Poirier Signed-off-by: Sasha Levin --- drivers/remoteproc/imx_rproc.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/drivers/remoteproc/imx_rproc.c b/drivers/remoteproc/imx_rproc.c index 517d1b573328..373fce8b9106 100644 --- a/drivers/remoteproc/imx_rproc.c +++ b/drivers/remoteproc/imx_rproc.c @@ -287,6 +287,8 @@ static int imx_rproc_addr_init(struct imx_rproc *priv, struct resource res; node = of_parse_phandle(np, "memory-region", a); + if (!node) + continue; /* Not map vdevbuffer, vdevring region */ if (!strncmp(node->name, "vdev", strlen("vdev"))) continue; From 906372e753c5027a1dc88743843b6aa2ad1aaecf Mon Sep 17 00:00:00 2001 From: Danilo Krummrich Date: Thu, 18 Jul 2024 18:58:46 +0200 Subject: [PATCH 221/702] drm/nouveau: prime: fix refcount underflow MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit [ Upstream commit a9bf3efc33f1fbf88787a277f7349459283c9b95 ] Calling nouveau_bo_ref() on a nouveau_bo without initializing it (and hence the backing ttm_bo) leads to a refcount underflow. Instead of calling nouveau_bo_ref() in the unwind path of drm_gem_object_init(), clean things up manually. Fixes: ab9ccb96a6e6 ("drm/nouveau: use prime helpers") Reviewed-by: Ben Skeggs Reviewed-by: Christian König Signed-off-by: Danilo Krummrich Link: https://patchwork.freedesktop.org/patch/msgid/20240718165959.3983-2-dakr@kernel.org (cherry picked from commit 1b93f3e89d03cfc576636e195466a0d728ad8de5) Signed-off-by: Danilo Krummrich Signed-off-by: Sasha Levin --- drivers/gpu/drm/nouveau/nouveau_prime.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/drivers/gpu/drm/nouveau/nouveau_prime.c b/drivers/gpu/drm/nouveau/nouveau_prime.c index f08bda533bd9..65874a48dc80 100644 --- a/drivers/gpu/drm/nouveau/nouveau_prime.c +++ b/drivers/gpu/drm/nouveau/nouveau_prime.c @@ -81,7 +81,8 @@ struct drm_gem_object *nouveau_gem_prime_import_sg_table(struct drm_device *dev, * to the caller, instead of a normal nouveau_bo ttm reference. */ ret = drm_gem_object_init(dev, &nvbo->bo.base, size); if (ret) { - nouveau_bo_ref(NULL, &nvbo); + drm_gem_object_release(&nvbo->bo.base); + kfree(nvbo); obj = ERR_PTR(-ENOMEM); goto unlock; } From b17eeed7cd098dcb059e0456e6af3ea955cf6eb2 Mon Sep 17 00:00:00 2001 From: Ian Forbes Date: Fri, 19 Jul 2024 11:36:27 -0500 Subject: [PATCH 222/702] drm/vmwgfx: Fix overlay when using Screen Targets [ Upstream commit cb372a505a994cb39aa75acfb8b3bcf94787cf94 ] This code was never updated to support Screen Targets. Fixes a bug where Xv playback displays a green screen instead of actual video contents when 3D acceleration is disabled in the guest. Fixes: c8261a961ece ("vmwgfx: Major KMS refactoring / cleanup in preparation of screen targets") Reported-by: Doug Brown Closes: https://lore.kernel.org/all/bd9cb3c7-90e8-435d-bc28-0e38fee58977@schmorgal.com Signed-off-by: Ian Forbes Tested-by: Doug Brown Signed-off-by: Zack Rusin Link: https://patchwork.freedesktop.org/patch/msgid/20240719163627.20888-1-ian.forbes@broadcom.com Signed-off-by: Sasha Levin --- drivers/gpu/drm/vmwgfx/vmwgfx_overlay.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_overlay.c b/drivers/gpu/drm/vmwgfx/vmwgfx_overlay.c index cd7ed1650d60..7aa1d9218ea6 100644 --- a/drivers/gpu/drm/vmwgfx/vmwgfx_overlay.c +++ b/drivers/gpu/drm/vmwgfx/vmwgfx_overlay.c @@ -98,7 +98,7 @@ static int vmw_overlay_send_put(struct vmw_private *dev_priv, { struct vmw_escape_video_flush *flush; size_t fifo_size; - bool have_so = (dev_priv->active_display_unit == vmw_du_screen_object); + bool have_so = (dev_priv->active_display_unit != vmw_du_legacy); int i, num_items; SVGAGuestPtr ptr; From 7c03ab555eb1ba26c77fd7c25bdf44a0ac23edee Mon Sep 17 00:00:00 2001 From: Eric Dumazet Date: Thu, 25 Jul 2024 09:27:45 +0000 Subject: [PATCH 223/702] sched: act_ct: take care of padding in struct zones_ht_key [ Upstream commit 2191a54f63225b548fd8346be3611c3219a24738 ] Blamed commit increased lookup key size from 2 bytes to 16 bytes, because zones_ht_key got a struct net pointer. Make sure rhashtable_lookup() is not using the padding bytes which are not initialized. BUG: KMSAN: uninit-value in rht_ptr_rcu include/linux/rhashtable.h:376 [inline] BUG: KMSAN: uninit-value in __rhashtable_lookup include/linux/rhashtable.h:607 [inline] BUG: KMSAN: uninit-value in rhashtable_lookup include/linux/rhashtable.h:646 [inline] BUG: KMSAN: uninit-value in rhashtable_lookup_fast include/linux/rhashtable.h:672 [inline] BUG: KMSAN: uninit-value in tcf_ct_flow_table_get+0x611/0x2260 net/sched/act_ct.c:329 rht_ptr_rcu include/linux/rhashtable.h:376 [inline] __rhashtable_lookup include/linux/rhashtable.h:607 [inline] rhashtable_lookup include/linux/rhashtable.h:646 [inline] rhashtable_lookup_fast include/linux/rhashtable.h:672 [inline] tcf_ct_flow_table_get+0x611/0x2260 net/sched/act_ct.c:329 tcf_ct_init+0xa67/0x2890 net/sched/act_ct.c:1408 tcf_action_init_1+0x6cc/0xb30 net/sched/act_api.c:1425 tcf_action_init+0x458/0xf00 net/sched/act_api.c:1488 tcf_action_add net/sched/act_api.c:2061 [inline] tc_ctl_action+0x4be/0x19d0 net/sched/act_api.c:2118 rtnetlink_rcv_msg+0x12fc/0x1410 net/core/rtnetlink.c:6647 netlink_rcv_skb+0x375/0x650 net/netlink/af_netlink.c:2550 rtnetlink_rcv+0x34/0x40 net/core/rtnetlink.c:6665 netlink_unicast_kernel net/netlink/af_netlink.c:1331 [inline] netlink_unicast+0xf52/0x1260 net/netlink/af_netlink.c:1357 netlink_sendmsg+0x10da/0x11e0 net/netlink/af_netlink.c:1901 sock_sendmsg_nosec net/socket.c:730 [inline] __sock_sendmsg+0x30f/0x380 net/socket.c:745 ____sys_sendmsg+0x877/0xb60 net/socket.c:2597 ___sys_sendmsg+0x28d/0x3c0 net/socket.c:2651 __sys_sendmsg net/socket.c:2680 [inline] __do_sys_sendmsg net/socket.c:2689 [inline] __se_sys_sendmsg net/socket.c:2687 [inline] __x64_sys_sendmsg+0x307/0x4a0 net/socket.c:2687 x64_sys_call+0x2dd6/0x3c10 arch/x86/include/generated/asm/syscalls_64.h:47 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xcd/0x1e0 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f Local variable key created at: tcf_ct_flow_table_get+0x4a/0x2260 net/sched/act_ct.c:324 tcf_ct_init+0xa67/0x2890 net/sched/act_ct.c:1408 Fixes: 88c67aeb1407 ("sched: act_ct: add netns into the key of tcf_ct_flow_table") Reported-by: syzbot+1b5e4e187cc586d05ea0@syzkaller.appspotmail.com Signed-off-by: Eric Dumazet Cc: Xin Long Reviewed-by: Simon Horman Reviewed-by: Xin Long Signed-off-by: David S. Miller Signed-off-by: Sasha Levin --- net/sched/act_ct.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/net/sched/act_ct.c b/net/sched/act_ct.c index a59a8ad38721..4ea7a81707f3 100644 --- a/net/sched/act_ct.c +++ b/net/sched/act_ct.c @@ -41,6 +41,8 @@ static DEFINE_MUTEX(zones_mutex); struct zones_ht_key { struct net *net; u16 zone; + /* Note : pad[] must be the last field. */ + u8 pad[]; }; struct tcf_ct_flow_table { @@ -57,7 +59,7 @@ struct tcf_ct_flow_table { static const struct rhashtable_params zones_params = { .head_offset = offsetof(struct tcf_ct_flow_table, node), .key_offset = offsetof(struct tcf_ct_flow_table, key), - .key_len = sizeof_field(struct tcf_ct_flow_table, key), + .key_len = offsetof(struct zones_ht_key, pad), .automatic_shrinking = true, }; From c65f72eec60a34ace031426e04e9aff8e5f04895 Mon Sep 17 00:00:00 2001 From: Alexandra Winter Date: Mon, 29 Jul 2024 14:28:16 +0200 Subject: [PATCH 224/702] net/iucv: fix use after free in iucv_sock_close() [ Upstream commit f558120cd709682b739207b48cf7479fd9568431 ] iucv_sever_path() is called from process context and from bh context. iucv->path is used as indicator whether somebody else is taking care of severing the path (or it is already removed / never existed). This needs to be done with atomic compare and swap, otherwise there is a small window where iucv_sock_close() will try to work with a path that has already been severed and freed by iucv_callback_connrej() called by iucv_tasklet_fn(). Example: [452744.123844] Call Trace: [452744.123845] ([<0000001e87f03880>] 0x1e87f03880) [452744.123966] [<00000000d593001e>] iucv_path_sever+0x96/0x138 [452744.124330] [<000003ff801ddbca>] iucv_sever_path+0xc2/0xd0 [af_iucv] [452744.124336] [<000003ff801e01b6>] iucv_sock_close+0xa6/0x310 [af_iucv] [452744.124341] [<000003ff801e08cc>] iucv_sock_release+0x3c/0xd0 [af_iucv] [452744.124345] [<00000000d574794e>] __sock_release+0x5e/0xe8 [452744.124815] [<00000000d5747a0c>] sock_close+0x34/0x48 [452744.124820] [<00000000d5421642>] __fput+0xba/0x268 [452744.124826] [<00000000d51b382c>] task_work_run+0xbc/0xf0 [452744.124832] [<00000000d5145710>] do_notify_resume+0x88/0x90 [452744.124841] [<00000000d5978096>] system_call+0xe2/0x2c8 [452744.125319] Last Breaking-Event-Address: [452744.125321] [<00000000d5930018>] iucv_path_sever+0x90/0x138 [452744.125324] [452744.125325] Kernel panic - not syncing: Fatal exception in interrupt Note that bh_lock_sock() is not serializing the tasklet context against process context, because the check for sock_owned_by_user() and corresponding handling is missing. Ideas for a future clean-up patch: A) Correct usage of bh_lock_sock() in tasklet context, as described in Link: https://lore.kernel.org/netdev/1280155406.2899.407.camel@edumazet-laptop/ Re-enqueue, if needed. This may require adding return values to the tasklet functions and thus changes to all users of iucv. B) Change iucv tasklet into worker and use only lock_sock() in af_iucv. Fixes: 7d316b945352 ("af_iucv: remove IUCV-pathes completely") Reviewed-by: Halil Pasic Signed-off-by: Alexandra Winter Link: https://patch.msgid.link/20240729122818.947756-1-wintera@linux.ibm.com Signed-off-by: Paolo Abeni Signed-off-by: Sasha Levin --- net/iucv/af_iucv.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/net/iucv/af_iucv.c b/net/iucv/af_iucv.c index 7c73faa5336c..3d0424e4ae6c 100644 --- a/net/iucv/af_iucv.c +++ b/net/iucv/af_iucv.c @@ -359,8 +359,8 @@ static void iucv_sever_path(struct sock *sk, int with_user_data) struct iucv_sock *iucv = iucv_sk(sk); struct iucv_path *path = iucv->path; - if (iucv->path) { - iucv->path = NULL; + /* Whoever resets the path pointer, must sever and free it. */ + if (xchg(&iucv->path, NULL)) { if (with_user_data) { low_nmcpy(user_data, iucv->src_name); high_nmcpy(user_data, iucv->dst_name); From 8e97cc828d5fc38c5fbb61396f6e53f9f435fb08 Mon Sep 17 00:00:00 2001 From: Shahar Shitrit Date: Tue, 30 Jul 2024 09:16:37 +0300 Subject: [PATCH 225/702] net/mlx5e: Add a check for the return value from mlx5_port_set_eth_ptys [ Upstream commit 3f8e82a020a5c22f9b791f4ac499b8e18007fbda ] Since the documentation for mlx5_toggle_port_link states that it should only be used after setting the port register, we add a check for the return value from mlx5_port_set_eth_ptys to ensure the register was successfully set before calling it. Fixes: 667daedaecd1 ("net/mlx5e: Toggle link only after modifying port parameters") Signed-off-by: Shahar Shitrit Reviewed-by: Carolina Jubran Signed-off-by: Tariq Toukan Reviewed-by: Wojciech Drewek Link: https://patch.msgid.link/20240730061638.1831002-9-tariqt@nvidia.com Signed-off-by: Jakub Kicinski Signed-off-by: Sasha Levin --- drivers/net/ethernet/mellanox/mlx5/core/en_ethtool.c | 7 ++++++- 1 file changed, 6 insertions(+), 1 deletion(-) diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_ethtool.c b/drivers/net/ethernet/mellanox/mlx5/core/en_ethtool.c index d3817dd07e3d..1fdb42899a9f 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/en_ethtool.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/en_ethtool.c @@ -1155,7 +1155,12 @@ int mlx5e_ethtool_set_link_ksettings(struct mlx5e_priv *priv, if (!an_changes && link_modes == eproto.admin) goto out; - mlx5_port_set_eth_ptys(mdev, an_disable, link_modes, ext); + err = mlx5_port_set_eth_ptys(mdev, an_disable, link_modes, ext); + if (err) { + netdev_err(priv->netdev, "%s: failed to set ptys reg: %d\n", __func__, err); + goto out; + } + mlx5_toggle_port_link(mdev); out: From 7d72f519510949f61c4652d22886ed1fe172e00c Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Maciej=20=C5=BBenczykowski?= Date: Mon, 29 Jul 2024 17:17:48 -0700 Subject: [PATCH 226/702] ipv6: fix ndisc_is_useropt() handling for PIO MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit [ Upstream commit a46c68debf3be3a477a69ccbf0a1d050df841676 ] The current logic only works if the PIO is between two other ND user options. This fixes it so that the PIO can also be either before or after other ND user options (for example the first or last option in the RA). side note: there's actually Android tests verifying a portion of the old broken behaviour, so: https://android-review.googlesource.com/c/kernel/tests/+/3196704 fixes those up. Cc: Jen Linkova Cc: Lorenzo Colitti Cc: Patrick Rohr Cc: David Ahern Cc: YOSHIFUJI Hideaki / 吉藤英明 Cc: Jakub Kicinski Signed-off-by: Maciej Żenczykowski Fixes: 048c796beb6e ("ipv6: adjust ndisc_is_useropt() to also return true for PIO") Link: https://patch.msgid.link/20240730001748.147636-1-maze@google.com Signed-off-by: Paolo Abeni Signed-off-by: Sasha Levin --- net/ipv6/ndisc.c | 34 ++++++++++++++++++---------------- 1 file changed, 18 insertions(+), 16 deletions(-) diff --git a/net/ipv6/ndisc.c b/net/ipv6/ndisc.c index 14251347c4a5..4f46b0a2e568 100644 --- a/net/ipv6/ndisc.c +++ b/net/ipv6/ndisc.c @@ -226,6 +226,7 @@ struct ndisc_options *ndisc_parse_options(const struct net_device *dev, return NULL; memset(ndopts, 0, sizeof(*ndopts)); while (opt_len) { + bool unknown = false; int l; if (opt_len < sizeof(struct nd_opt_hdr)) return NULL; @@ -261,22 +262,23 @@ struct ndisc_options *ndisc_parse_options(const struct net_device *dev, break; #endif default: - if (ndisc_is_useropt(dev, nd_opt)) { - ndopts->nd_useropts_end = nd_opt; - if (!ndopts->nd_useropts) - ndopts->nd_useropts = nd_opt; - } else { - /* - * Unknown options must be silently ignored, - * to accommodate future extension to the - * protocol. - */ - ND_PRINTK(2, notice, - "%s: ignored unsupported option; type=%d, len=%d\n", - __func__, - nd_opt->nd_opt_type, - nd_opt->nd_opt_len); - } + unknown = true; + } + if (ndisc_is_useropt(dev, nd_opt)) { + ndopts->nd_useropts_end = nd_opt; + if (!ndopts->nd_useropts) + ndopts->nd_useropts = nd_opt; + } else if (unknown) { + /* + * Unknown options must be silently ignored, + * to accommodate future extension to the + * protocol. + */ + ND_PRINTK(2, notice, + "%s: ignored unsupported option; type=%d, len=%d\n", + __func__, + nd_opt->nd_opt_type, + nd_opt->nd_opt_len); } next_opt: opt_len -= l; From 59be4a167782d68e21068a761b90b01fadc09146 Mon Sep 17 00:00:00 2001 From: Zhe Qiao Date: Wed, 31 Jul 2024 16:45:47 +0800 Subject: [PATCH 227/702] riscv/mm: Add handling for VM_FAULT_SIGSEGV in mm_fault_error() [ Upstream commit 0c710050c47d45eb77b28c271cddefc5c785cb40 ] Handle VM_FAULT_SIGSEGV in the page fault path so that we correctly kill the process and we don't BUG() the kernel. Fixes: 07037db5d479 ("RISC-V: Paging and MMU") Signed-off-by: Zhe Qiao Reviewed-by: Alexandre Ghiti Link: https://lore.kernel.org/r/20240731084547.85380-1-qiaozhe@iscas.ac.cn Signed-off-by: Palmer Dabbelt Signed-off-by: Sasha Levin --- arch/riscv/mm/fault.c | 17 +++++++++-------- 1 file changed, 9 insertions(+), 8 deletions(-) diff --git a/arch/riscv/mm/fault.c b/arch/riscv/mm/fault.c index 54b12943cc7b..9bed32089197 100644 --- a/arch/riscv/mm/fault.c +++ b/arch/riscv/mm/fault.c @@ -39,26 +39,27 @@ static inline void no_context(struct pt_regs *regs, unsigned long addr) static inline void mm_fault_error(struct pt_regs *regs, unsigned long addr, vm_fault_t fault) { + if (!user_mode(regs)) { + no_context(regs, addr); + return; + } + if (fault & VM_FAULT_OOM) { /* * We ran out of memory, call the OOM killer, and return the userspace * (which will retry the fault, or kill us if we got oom-killed). */ - if (!user_mode(regs)) { - no_context(regs, addr); - return; - } pagefault_out_of_memory(); return; } else if (fault & VM_FAULT_SIGBUS) { /* Kernel mode? Handle exceptions or die */ - if (!user_mode(regs)) { - no_context(regs, addr); - return; - } do_trap(regs, SIGBUS, BUS_ADRERR, addr); return; + } else if (fault & VM_FAULT_SIGSEGV) { + do_trap(regs, SIGSEGV, SEGV_MAPERR, addr); + return; } + BUG(); } From b12a67976b12f1b365be66fffff62c150591b79d Mon Sep 17 00:00:00 2001 From: Patryk Duda Date: Tue, 30 Jul 2024 10:44:25 +0000 Subject: [PATCH 228/702] platform/chrome: cros_ec_proto: Lock device when updating MKBP version commit df615907f1bf907260af01ccb904d0e9304b5278 upstream. The cros_ec_get_host_command_version_mask() function requires that the caller must have ec_dev->lock mutex before calling it. This requirement was not met and as a result it was possible that two commands were sent to the device at the same time. The problem was observed while using UART backend which doesn't use any additional locks, unlike SPI backend which locks the controller until response is received. Fixes: f74c7557ed0d ("platform/chrome: cros_ec_proto: Update version on GET_NEXT_EVENT failure") Cc: stable@vger.kernel.org Signed-off-by: Patryk Duda Link: https://lore.kernel.org/r/20240730104425.607083-1-patrykd@google.com Signed-off-by: Tzung-Bi Shih Signed-off-by: Greg Kroah-Hartman --- drivers/platform/chrome/cros_ec_proto.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/drivers/platform/chrome/cros_ec_proto.c b/drivers/platform/chrome/cros_ec_proto.c index 8ffbf92ec1e0..39c41aeb57e4 100644 --- a/drivers/platform/chrome/cros_ec_proto.c +++ b/drivers/platform/chrome/cros_ec_proto.c @@ -780,9 +780,11 @@ int cros_ec_get_next_event(struct cros_ec_device *ec_dev, if (ret == -ENOPROTOOPT) { dev_dbg(ec_dev->dev, "GET_NEXT_EVENT returned invalid version error.\n"); + mutex_lock(&ec_dev->lock); ret = cros_ec_get_host_command_version_mask(ec_dev, EC_CMD_GET_NEXT_EVENT, &ver_mask); + mutex_unlock(&ec_dev->lock); if (ret < 0 || ver_mask == 0) /* * Do not change the MKBP supported version if we can't From e4b2b0306b6bf6b5e481aa75b3c781188c8e3b4f Mon Sep 17 00:00:00 2001 From: Tatsunosuke Tobita Date: Tue, 9 Jul 2024 14:57:28 +0900 Subject: [PATCH 229/702] HID: wacom: Modify pen IDs commit f0d17d696dfce77c9abc830e4ac2d677890a2dad upstream. The pen ID, 0x80842, was not the correct ID for wacom driver to treat. The ID was corrected to 0x8842. Also, 0x4200 was not the expected ID used on any Wacom device. Therefore, 0x4200 was removed. Signed-off-by: Tatsunosuke Tobita Signed-off-by: Tatsunosuke Tobita Fixes: bfdc750c4cb2 ("HID: wacom: add three styli to wacom_intuos_get_tool_type") Cc: stable@kernel.org #6.2 Reviewed-by: Ping Cheng Link: https://patch.msgid.link/20240709055729.17158-1-tatsunosuke.wacom@gmail.com Signed-off-by: Benjamin Tissoires Signed-off-by: Greg Kroah-Hartman --- drivers/hid/wacom_wac.c | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-) diff --git a/drivers/hid/wacom_wac.c b/drivers/hid/wacom_wac.c index c454768ffb49..f6ee287a892c 100644 --- a/drivers/hid/wacom_wac.c +++ b/drivers/hid/wacom_wac.c @@ -714,13 +714,12 @@ static int wacom_intuos_get_tool_type(int tool_id) case 0x8e2: /* IntuosHT2 pen */ case 0x022: case 0x200: /* Pro Pen 3 */ - case 0x04200: /* Pro Pen 3 */ case 0x10842: /* MobileStudio Pro Pro Pen slim */ case 0x14802: /* Intuos4/5 13HD/24HD Classic Pen */ case 0x16802: /* Cintiq 13HD Pro Pen */ case 0x18802: /* DTH2242 Pen */ case 0x10802: /* Intuos4/5 13HD/24HD General Pen */ - case 0x80842: /* Intuos Pro and Cintiq Pro 3D Pen */ + case 0x8842: /* Intuos Pro and Cintiq Pro 3D Pen */ tool_type = BTN_TOOL_PEN; break; From 08775b3d6ed117cf4518754ec7300ee42b6a5368 Mon Sep 17 00:00:00 2001 From: Al Viro Date: Thu, 1 Aug 2024 15:22:22 -0400 Subject: [PATCH 230/702] protect the fetch of ->fd[fd] in do_dup2() from mispredictions commit 8aa37bde1a7b645816cda8b80df4753ecf172bf1 upstream. both callers have verified that fd is not greater than ->max_fds; however, misprediction might end up with tofree = fdt->fd[fd]; being speculatively executed. That's wrong for the same reasons why it's wrong in close_fd()/file_close_fd_locked(); the same solution applies - array_index_nospec(fd, fdt->max_fds) could differ from fd only in case of speculative execution on mispredicted path. Cc: stable@vger.kernel.org Signed-off-by: Al Viro Signed-off-by: Greg Kroah-Hartman --- fs/file.c | 1 + 1 file changed, 1 insertion(+) diff --git a/fs/file.c b/fs/file.c index 913f7d897d2f..105a084b7924 100644 --- a/fs/file.c +++ b/fs/file.c @@ -1057,6 +1057,7 @@ __releases(&files->file_lock) * tables and this condition does not arise without those. */ fdt = files_fdtable(files); + fd = array_index_nospec(fd, fdt->max_fds); tofree = fdt->fd[fd]; if (!tofree && fd_is_open(fd, fdt)) goto Ebusy; From 7b745257ff392d4846dc6842704fb9d9507331bd Mon Sep 17 00:00:00 2001 From: Takashi Iwai Date: Wed, 31 Jul 2024 16:19:41 +0200 Subject: [PATCH 231/702] ALSA: usb-audio: Correct surround channels in UAC1 channel map commit b7b7e1ab7619deb3b299b5e5c619c3e6f183a12d upstream. USB-audio driver puts SNDRV_CHMAP_SL and _SR as left and right surround channels for UAC1 channel map, respectively. But they should have been SNDRV_CHMAP_RL and _RR; the current value *_SL and _SR are rather "side" channels, not "surround". I guess I took those mistakenly when I read the spec mentioning "surround left". This patch corrects those entries to be the right channels. Suggested-by: Sylvain BERTRAND Closes: https://lore.kernel.orgZ/qIyJD8lhd8hFhlC@freedom Fixes: 04324ccc75f9 ("ALSA: usb-audio: add channel map support") Cc: Link: https://patch.msgid.link/20240731142018.24750-1-tiwai@suse.de Signed-off-by: Takashi Iwai Signed-off-by: Greg Kroah-Hartman --- sound/usb/stream.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/sound/usb/stream.c b/sound/usb/stream.c index f51e901a9689..0c77f244e5d6 100644 --- a/sound/usb/stream.c +++ b/sound/usb/stream.c @@ -245,8 +245,8 @@ static struct snd_pcm_chmap_elem *convert_chmap(int channels, unsigned int bits, SNDRV_CHMAP_FR, /* right front */ SNDRV_CHMAP_FC, /* center front */ SNDRV_CHMAP_LFE, /* LFE */ - SNDRV_CHMAP_SL, /* left surround */ - SNDRV_CHMAP_SR, /* right surround */ + SNDRV_CHMAP_RL, /* left surround */ + SNDRV_CHMAP_RR, /* right surround */ SNDRV_CHMAP_FLC, /* left of center */ SNDRV_CHMAP_FRC, /* right of center */ SNDRV_CHMAP_RC, /* surround */ From 8b0a5709ac6e40152ce9a1d3be69ae41b427a514 Mon Sep 17 00:00:00 2001 From: Mavroudis Chatzilazaridis Date: Sun, 28 Jul 2024 12:36:04 +0000 Subject: [PATCH 232/702] ALSA: hda/realtek: Add quirk for Acer Aspire E5-574G commit 3c0b6f924e1259ade38587ea719b693f6f6f2f3e upstream. ALC255_FIXUP_ACER_LIMIT_INT_MIC_BOOST fixes combo jack detection and limits the internal microphone boost that causes clipping on this model. Signed-off-by: Mavroudis Chatzilazaridis Cc: Link: https://patch.msgid.link/20240728123601.144017-1-mavchatz@protonmail.com Signed-off-by: Takashi Iwai Signed-off-by: Greg Kroah-Hartman --- sound/pci/hda/patch_realtek.c | 1 + 1 file changed, 1 insertion(+) diff --git a/sound/pci/hda/patch_realtek.c b/sound/pci/hda/patch_realtek.c index 28dbe8cbbffd..e8e9cfb4a935 100644 --- a/sound/pci/hda/patch_realtek.c +++ b/sound/pci/hda/patch_realtek.c @@ -8893,6 +8893,7 @@ static const struct snd_pci_quirk alc269_fixup_tbl[] = { SND_PCI_QUIRK(0x1025, 0x079b, "Acer Aspire V5-573G", ALC282_FIXUP_ASPIRE_V5_PINS), SND_PCI_QUIRK(0x1025, 0x080d, "Acer Aspire V5-122P", ALC269_FIXUP_ASPIRE_HEADSET_MIC), SND_PCI_QUIRK(0x1025, 0x0840, "Acer Aspire E1", ALC269VB_FIXUP_ASPIRE_E1_COEF), + SND_PCI_QUIRK(0x1025, 0x100c, "Acer Aspire E5-574G", ALC255_FIXUP_ACER_LIMIT_INT_MIC_BOOST), SND_PCI_QUIRK(0x1025, 0x101c, "Acer Veriton N2510G", ALC269_FIXUP_LIFEBOOK), SND_PCI_QUIRK(0x1025, 0x102b, "Acer Aspire C24-860", ALC286_FIXUP_ACER_AIO_MIC_NO_PRESENCE), SND_PCI_QUIRK(0x1025, 0x1065, "Acer Aspire C20-820", ALC269VC_FIXUP_ACER_HEADSET_MIC), From 646e9e907138f26608c4ae4828f1856d9b2d4f75 Mon Sep 17 00:00:00 2001 From: Ma Ke Date: Thu, 25 Jul 2024 10:29:42 +0800 Subject: [PATCH 233/702] net: usb: sr9700: fix uninitialized variable use in sr_mdio_read commit 08f3a5c38087d1569e982a121aad1e6acbf145ce upstream. It could lead to error happen because the variable res is not updated if the call to sr_share_read_word returns an error. In this particular case error code was returned and res stayed uninitialized. Same issue also applies to sr_read_reg. This can be avoided by checking the return value of sr_share_read_word and sr_read_reg, and propagating the error if the read operation failed. Found by code review. Cc: stable@vger.kernel.org Fixes: c9b37458e956 ("USB2NET : SR9700 : One chip USB 1.1 USB2NET SR9700Device Driver Support") Signed-off-by: Ma Ke Reviewed-by: Shigeru Yoshida Reviewed-by: Hariprasad Kelam Signed-off-by: David S. Miller Signed-off-by: Greg Kroah-Hartman --- drivers/net/usb/sr9700.c | 11 +++++++++-- 1 file changed, 9 insertions(+), 2 deletions(-) diff --git a/drivers/net/usb/sr9700.c b/drivers/net/usb/sr9700.c index 3fac642bec77..8d2e3daf03cf 100644 --- a/drivers/net/usb/sr9700.c +++ b/drivers/net/usb/sr9700.c @@ -178,6 +178,7 @@ static int sr_mdio_read(struct net_device *netdev, int phy_id, int loc) struct usbnet *dev = netdev_priv(netdev); __le16 res; int rc = 0; + int err; if (phy_id) { netdev_dbg(netdev, "Only internal phy supported\n"); @@ -188,11 +189,17 @@ static int sr_mdio_read(struct net_device *netdev, int phy_id, int loc) if (loc == MII_BMSR) { u8 value; - sr_read_reg(dev, SR_NSR, &value); + err = sr_read_reg(dev, SR_NSR, &value); + if (err < 0) + return err; + if (value & NSR_LINKST) rc = 1; } - sr_share_read_word(dev, 1, loc, &res); + err = sr_share_read_word(dev, 1, loc, &res); + if (err < 0) + return err; + if (rc == 1) res = le16_to_cpu(res) | BMSR_LSTATUS; else From 3deac6f6860da921a583c48d70b32e98ad07cb90 Mon Sep 17 00:00:00 2001 From: Heiner Kallweit Date: Tue, 30 Jul 2024 21:51:52 +0200 Subject: [PATCH 234/702] r8169: don't increment tx_dropped in case of NETDEV_TX_BUSY commit d516b187a9cc2e842030dd005be2735db3e8f395 upstream. The skb isn't consumed in case of NETDEV_TX_BUSY, therefore don't increment the tx_dropped counter. Fixes: 188f4af04618 ("r8169: use NETDEV_TX_{BUSY/OK}") Cc: stable@vger.kernel.org Suggested-by: Jakub Kicinski Signed-off-by: Heiner Kallweit Reviewed-by: Wojciech Drewek Link: https://patch.msgid.link/bbba9c48-8bac-4932-9aa1-d2ed63bc9433@gmail.com Signed-off-by: Jakub Kicinski Signed-off-by: Greg Kroah-Hartman --- drivers/net/ethernet/realtek/r8169_main.c | 8 ++------ 1 file changed, 2 insertions(+), 6 deletions(-) diff --git a/drivers/net/ethernet/realtek/r8169_main.c b/drivers/net/ethernet/realtek/r8169_main.c index d24eb5ee152a..4c588fc43eb9 100644 --- a/drivers/net/ethernet/realtek/r8169_main.c +++ b/drivers/net/ethernet/realtek/r8169_main.c @@ -4288,7 +4288,8 @@ static netdev_tx_t rtl8169_start_xmit(struct sk_buff *skb, if (unlikely(!rtl_tx_slots_avail(tp))) { if (net_ratelimit()) netdev_err(dev, "BUG! Tx Ring full when queue awake!\n"); - goto err_stop_0; + netif_stop_queue(dev); + return NETDEV_TX_BUSY; } opts[1] = rtl8169_tx_vlan_tag(skb); @@ -4361,11 +4362,6 @@ static netdev_tx_t rtl8169_start_xmit(struct sk_buff *skb, dev_kfree_skb_any(skb); dev->stats.tx_dropped++; return NETDEV_TX_OK; - -err_stop_0: - netif_stop_queue(dev); - dev->stats.tx_dropped++; - return NETDEV_TX_BUSY; } static unsigned int rtl_last_frag_len(struct sk_buff *skb) From e93fa44f07149843b39f1ea63d72ec1253783df6 Mon Sep 17 00:00:00 2001 From: Paolo Abeni Date: Wed, 31 Jul 2024 12:10:15 +0200 Subject: [PATCH 235/702] mptcp: fix duplicate data handling commit 68cc924729ffcfe90d0383177192030a9aeb2ee4 upstream. When a subflow receives and discards duplicate data, the mptcp stack assumes that the consumed offset inside the current skb is zero. With multiple subflows receiving data simultaneously such assertion does not held true. As a result the subflow-level copied_seq will be incorrectly increased and later on the same subflow will observe a bad mapping, leading to subflow reset. Address the issue taking into account the skb consumed offset in mptcp_subflow_discard_data(). Fixes: 04e4cd4f7ca4 ("mptcp: cleanup mptcp_subflow_discard_data()") Cc: stable@vger.kernel.org Link: https://github.com/multipath-tcp/mptcp_net-next/issues/501 Signed-off-by: Paolo Abeni Reviewed-by: Mat Martineau Signed-off-by: Matthieu Baerts (NGI0) Signed-off-by: Paolo Abeni Signed-off-by: Greg Kroah-Hartman --- net/mptcp/subflow.c | 16 ++++++++++++---- 1 file changed, 12 insertions(+), 4 deletions(-) diff --git a/net/mptcp/subflow.c b/net/mptcp/subflow.c index 276fe9f44df7..823a92b21c6c 100644 --- a/net/mptcp/subflow.c +++ b/net/mptcp/subflow.c @@ -863,14 +863,22 @@ static void mptcp_subflow_discard_data(struct sock *ssk, struct sk_buff *skb, { struct mptcp_subflow_context *subflow = mptcp_subflow_ctx(ssk); bool fin = TCP_SKB_CB(skb)->tcp_flags & TCPHDR_FIN; - u32 incr; + struct tcp_sock *tp = tcp_sk(ssk); + u32 offset, incr, avail_len; - incr = limit >= skb->len ? skb->len + fin : limit; + offset = tp->copied_seq - TCP_SKB_CB(skb)->seq; + if (WARN_ON_ONCE(offset > skb->len)) + goto out; - pr_debug("discarding=%d len=%d seq=%d", incr, skb->len, - subflow->map_subflow_seq); + avail_len = skb->len - offset; + incr = limit >= avail_len ? avail_len + fin : limit; + + pr_debug("discarding=%d len=%d offset=%d seq=%d", incr, skb->len, + offset, subflow->map_subflow_seq); MPTCP_INC_STATS(sock_net(ssk), MPTCP_MIB_DUPDATA); tcp_sk(ssk)->copied_seq += incr; + +out: if (!before(tcp_sk(ssk)->copied_seq, TCP_SKB_CB(skb)->end_seq)) sk_eat_skb(ssk, skb); if (mptcp_subflow_get_map_offset(subflow) >= subflow->map_data_len) From 12fa9934332dc5e232b9a1373d414d607fb3a6ca Mon Sep 17 00:00:00 2001 From: Alexander Maltsev Date: Wed, 17 Apr 2024 18:51:41 +0500 Subject: [PATCH 236/702] netfilter: ipset: Add list flush to cancel_gc [ Upstream commit c1193d9bbbd379defe9be3c6de566de684de8a6f ] Flushing list in cancel_gc drops references to other lists right away, without waiting for RCU to destroy list. Fixes race when referenced ipsets can't be destroyed while referring list is scheduled for destroy. Fixes: 97f7cf1cd80e ("netfilter: ipset: fix performance regression in swap operation") Signed-off-by: Alexander Maltsev Acked-by: Jozsef Kadlecsik Signed-off-by: Pablo Neira Ayuso Signed-off-by: Sasha Levin --- net/netfilter/ipset/ip_set_list_set.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/net/netfilter/ipset/ip_set_list_set.c b/net/netfilter/ipset/ip_set_list_set.c index e839c356bcb5..902ff2f3bc72 100644 --- a/net/netfilter/ipset/ip_set_list_set.c +++ b/net/netfilter/ipset/ip_set_list_set.c @@ -547,6 +547,9 @@ list_set_cancel_gc(struct ip_set *set) if (SET_WITH_TIMEOUT(set)) del_timer_sync(&map->gc); + + /* Flush list to drop references to other ipsets */ + list_set_flush(set); } static const struct ip_set_type_variant set_variant = { From c476c5c7bb8d8f6fbd2bf8d62cd188d1fcd95e1a Mon Sep 17 00:00:00 2001 From: Marc Zyngier Date: Wed, 9 Feb 2022 16:25:59 +0000 Subject: [PATCH 237/702] genirq: Allow irq_chip registration functions to take a const irq_chip [ Upstream commit 393e1280f765661cf39785e967676a4e57324126 ] In order to let a const irqchip be fed to the irqchip layer, adjust the various prototypes. An extra cast in irq_set_chip()() is required to avoid a warning. Signed-off-by: Marc Zyngier Acked-by: Linus Walleij Link: https://lore.kernel.org/r/20220209162607.1118325-3-maz@kernel.org Signed-off-by: Sasha Levin --- include/linux/irq.h | 7 ++++--- kernel/irq/chip.c | 9 +++------ 2 files changed, 7 insertions(+), 9 deletions(-) diff --git a/include/linux/irq.h b/include/linux/irq.h index b89a8ac83d1b..eb7af809e6e5 100644 --- a/include/linux/irq.h +++ b/include/linux/irq.h @@ -708,10 +708,11 @@ extern struct irq_chip no_irq_chip; extern struct irq_chip dummy_irq_chip; extern void -irq_set_chip_and_handler_name(unsigned int irq, struct irq_chip *chip, +irq_set_chip_and_handler_name(unsigned int irq, const struct irq_chip *chip, irq_flow_handler_t handle, const char *name); -static inline void irq_set_chip_and_handler(unsigned int irq, struct irq_chip *chip, +static inline void irq_set_chip_and_handler(unsigned int irq, + const struct irq_chip *chip, irq_flow_handler_t handle) { irq_set_chip_and_handler_name(irq, chip, handle, NULL); @@ -801,7 +802,7 @@ static inline void irq_set_percpu_devid_flags(unsigned int irq) } /* Set/get chip/data for an IRQ: */ -extern int irq_set_chip(unsigned int irq, struct irq_chip *chip); +extern int irq_set_chip(unsigned int irq, const struct irq_chip *chip); extern int irq_set_handler_data(unsigned int irq, void *data); extern int irq_set_chip_data(unsigned int irq, void *data); extern int irq_set_irq_type(unsigned int irq, unsigned int type); diff --git a/kernel/irq/chip.c b/kernel/irq/chip.c index b8aa9e22105f..09b91aebb90b 100644 --- a/kernel/irq/chip.c +++ b/kernel/irq/chip.c @@ -38,7 +38,7 @@ struct irqaction chained_action = { * @irq: irq number * @chip: pointer to irq chip description structure */ -int irq_set_chip(unsigned int irq, struct irq_chip *chip) +int irq_set_chip(unsigned int irq, const struct irq_chip *chip) { unsigned long flags; struct irq_desc *desc = irq_get_desc_lock(irq, &flags, 0); @@ -46,10 +46,7 @@ int irq_set_chip(unsigned int irq, struct irq_chip *chip) if (!desc) return -EINVAL; - if (!chip) - chip = &no_irq_chip; - - desc->irq_data.chip = chip; + desc->irq_data.chip = (struct irq_chip *)(chip ?: &no_irq_chip); irq_put_desc_unlock(desc, flags); /* * For !CONFIG_SPARSE_IRQ make the irq show up in @@ -1102,7 +1099,7 @@ irq_set_chained_handler_and_data(unsigned int irq, irq_flow_handler_t handle, EXPORT_SYMBOL_GPL(irq_set_chained_handler_and_data); void -irq_set_chip_and_handler_name(unsigned int irq, struct irq_chip *chip, +irq_set_chip_and_handler_name(unsigned int irq, const struct irq_chip *chip, irq_flow_handler_t handle, const char *name) { irq_set_chip(irq, chip); From 75880302cf3a2758fd5edd2974690f18ca0fa0b0 Mon Sep 17 00:00:00 2001 From: Yipeng Zou Date: Tue, 30 Jul 2024 09:44:00 +0800 Subject: [PATCH 238/702] irqchip/mbigen: Fix mbigen node address layout [ Upstream commit 6be6cba9c4371d27f78d900ccfe34bb880d9ee20 ] The mbigen interrupt chip has its per node registers located in a contiguous region of page sized chunks. The code maps them into virtual address space as a contiguous region and determines the address of a node by using the node ID as index. mbigen chip |-----------------|------------|--------------| mgn_node_0 mgn_node_1 ... mgn_node_i |--------------| |--------------| |----------------------| [0x0000, 0x0x0FFF] [0x1000, 0x1FFF] [i*0x1000, (i+1)*0x1000 - 1] This works correctly up to 10 nodes, but then fails because the 11th's array slot is used for the MGN_CLEAR registers. mbigen chip |-----------|--------|--------|---------------|--------| mgn_node_0 mgn_node_1 ... mgn_clear_register ... mgn_node_i |-----------------| [0xA000, 0xAFFF] Skip the MGN_CLEAR register space when calculating the offset for node IDs greater than or equal to ten. Fixes: a6c2f87b8820 ("irqchip/mbigen: Implement the mbigen irq chip operation functions") Signed-off-by: Yipeng Zou Signed-off-by: Thomas Gleixner Link: https://lore.kernel.org/all/20240730014400.1751530-1-zouyipeng@huawei.com Signed-off-by: Sasha Levin --- drivers/irqchip/irq-mbigen.c | 20 ++++++++++++++++---- 1 file changed, 16 insertions(+), 4 deletions(-) diff --git a/drivers/irqchip/irq-mbigen.c b/drivers/irqchip/irq-mbigen.c index ff7627b57772..192950e9909b 100644 --- a/drivers/irqchip/irq-mbigen.c +++ b/drivers/irqchip/irq-mbigen.c @@ -64,6 +64,20 @@ struct mbigen_device { void __iomem *base; }; +static inline unsigned int get_mbigen_node_offset(unsigned int nid) +{ + unsigned int offset = nid * MBIGEN_NODE_OFFSET; + + /* + * To avoid touched clear register in unexpected way, we need to directly + * skip clear register when access to more than 10 mbigen nodes. + */ + if (nid >= (REG_MBIGEN_CLEAR_OFFSET / MBIGEN_NODE_OFFSET)) + offset += MBIGEN_NODE_OFFSET; + + return offset; +} + static inline unsigned int get_mbigen_vec_reg(irq_hw_number_t hwirq) { unsigned int nid, pin; @@ -72,8 +86,7 @@ static inline unsigned int get_mbigen_vec_reg(irq_hw_number_t hwirq) nid = hwirq / IRQS_PER_MBIGEN_NODE + 1; pin = hwirq % IRQS_PER_MBIGEN_NODE; - return pin * 4 + nid * MBIGEN_NODE_OFFSET - + REG_MBIGEN_VEC_OFFSET; + return pin * 4 + get_mbigen_node_offset(nid) + REG_MBIGEN_VEC_OFFSET; } static inline void get_mbigen_type_reg(irq_hw_number_t hwirq, @@ -88,8 +101,7 @@ static inline void get_mbigen_type_reg(irq_hw_number_t hwirq, *mask = 1 << (irq_ofst % 32); ofst = irq_ofst / 32 * 4; - *addr = ofst + nid * MBIGEN_NODE_OFFSET - + REG_MBIGEN_TYPE_OFFSET; + *addr = ofst + get_mbigen_node_offset(nid) + REG_MBIGEN_TYPE_OFFSET; } static inline void get_mbigen_clear_reg(irq_hw_number_t hwirq, From d00c9b4bbc442d99e1dafbdfdab848bc1ead73f6 Mon Sep 17 00:00:00 2001 From: Peter Zijlstra Date: Wed, 31 Jul 2024 18:31:05 +0200 Subject: [PATCH 239/702] x86/mm: Fix pti_clone_pgtable() alignment assumption [ Upstream commit 41e71dbb0e0a0fe214545fe64af031303a08524c ] Guenter reported dodgy crashes on an i386-nosmp build using GCC-11 that had the form of endless traps until entry stack exhaust and then #DF from the stack guard. It turned out that pti_clone_pgtable() had alignment assumptions on the start address, notably it hard assumes start is PMD aligned. This is true on x86_64, but very much not true on i386. These assumptions can cause the end condition to malfunction, leading to a 'short' clone. Guess what happens when the user mapping has a short copy of the entry text? Use the correct increment form for addr to avoid alignment assumptions. Fixes: 16a3fe634f6a ("x86/mm/pti: Clone kernel-image on PTE level for 32 bit") Reported-by: Guenter Roeck Tested-by: Guenter Roeck Suggested-by: Thomas Gleixner Signed-off-by: Peter Zijlstra (Intel) Link: https://lkml.kernel.org/r/20240731163105.GG33588@noisy.programming.kicks-ass.net Signed-off-by: Sasha Levin --- arch/x86/mm/pti.c | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) diff --git a/arch/x86/mm/pti.c b/arch/x86/mm/pti.c index 1aab92930569..59c13fdb8da0 100644 --- a/arch/x86/mm/pti.c +++ b/arch/x86/mm/pti.c @@ -374,14 +374,14 @@ pti_clone_pgtable(unsigned long start, unsigned long end, */ *target_pmd = *pmd; - addr += PMD_SIZE; + addr = round_up(addr + 1, PMD_SIZE); } else if (level == PTI_CLONE_PTE) { /* Walk the page-table down to the pte level */ pte = pte_offset_kernel(pmd, addr); if (pte_none(*pte)) { - addr += PAGE_SIZE; + addr = round_up(addr + 1, PAGE_SIZE); continue; } @@ -401,7 +401,7 @@ pti_clone_pgtable(unsigned long start, unsigned long end, /* Clone the PTE */ *target_pte = *pte; - addr += PAGE_SIZE; + addr = round_up(addr + 1, PAGE_SIZE); } else { BUG(); From ba4e59f34c648148fbf7532de9d3053d6f04ba92 Mon Sep 17 00:00:00 2001 From: Peter Zijlstra Date: Thu, 1 Aug 2024 12:42:25 +0200 Subject: [PATCH 240/702] x86/mm: Fix pti_clone_entry_text() for i386 [ Upstream commit 3db03fb4995ef85fc41e86262ead7b4852f4bcf0 ] While x86_64 has PMD aligned text sections, i386 does not have this luxery. Notably ALIGN_ENTRY_TEXT_END is empty and _etext has PAGE alignment. This means that text on i386 can be page granular at the tail end, which in turn means that the PTI text clones should consistently account for this. Make pti_clone_entry_text() consistent with pti_clone_kernel_text(). Fixes: 16a3fe634f6a ("x86/mm/pti: Clone kernel-image on PTE level for 32 bit") Signed-off-by: Peter Zijlstra (Intel) Signed-off-by: Sasha Levin --- arch/x86/mm/pti.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/arch/x86/mm/pti.c b/arch/x86/mm/pti.c index 59c13fdb8da0..50e31d14351b 100644 --- a/arch/x86/mm/pti.c +++ b/arch/x86/mm/pti.c @@ -497,7 +497,7 @@ static void pti_clone_entry_text(void) { pti_clone_pgtable((unsigned long) __entry_text_start, (unsigned long) __entry_text_end, - PTI_CLONE_PMD); + PTI_LEVEL_KERNEL_IMAGE); } /* From 17a93a820196da74b30938ba87eeb182f70cf247 Mon Sep 17 00:00:00 2001 From: Xin Long Date: Tue, 21 Dec 2021 16:40:30 -0500 Subject: [PATCH 241/702] sctp: move hlist_node and hashent out of sctp_ep_common [ Upstream commit 3d3b2f57d4447e6e9f4096ad01d0e4129f7bc7e9 ] Struct sctp_ep_common is included in both asoc and ep, but hlist_node and hashent are only needed by ep after asoc_hashtable was dropped by Commit b5eff7128366 ("sctp: drop the old assoc hashtable of sctp"). So it is better to move hlist_node and hashent from sctp_ep_common to sctp_endpoint, and it saves some space for each asoc. Signed-off-by: Xin Long Signed-off-by: David S. Miller Stable-dep-of: 9ab0faa7f9ff ("sctp: Fix null-ptr-deref in reuseport_add_sock().") Signed-off-by: Sasha Levin --- include/net/sctp/sctp.h | 4 ++-- include/net/sctp/structs.h | 8 ++++---- net/sctp/input.c | 27 ++++++++++----------------- net/sctp/proc.c | 10 ++++------ net/sctp/socket.c | 6 +++--- 5 files changed, 23 insertions(+), 32 deletions(-) diff --git a/include/net/sctp/sctp.h b/include/net/sctp/sctp.h index 33475d061823..6d89a7f3f6a4 100644 --- a/include/net/sctp/sctp.h +++ b/include/net/sctp/sctp.h @@ -506,8 +506,8 @@ static inline int sctp_ep_hashfn(struct net *net, __u16 lport) return (net_hash_mix(net) + lport) & (sctp_ep_hashsize - 1); } -#define sctp_for_each_hentry(epb, head) \ - hlist_for_each_entry(epb, head, node) +#define sctp_for_each_hentry(ep, head) \ + hlist_for_each_entry(ep, head, node) /* Is a socket of this style? */ #define sctp_style(sk, style) __sctp_style((sk), (SCTP_SOCKET_##style)) diff --git a/include/net/sctp/structs.h b/include/net/sctp/structs.h index be59e8df0bff..108eb62cdc2c 100644 --- a/include/net/sctp/structs.h +++ b/include/net/sctp/structs.h @@ -1218,10 +1218,6 @@ enum sctp_endpoint_type { */ struct sctp_ep_common { - /* Fields to help us manage our entries in the hash tables. */ - struct hlist_node node; - int hashent; - /* Runtime type information. What kind of endpoint is this? */ enum sctp_endpoint_type type; @@ -1273,6 +1269,10 @@ struct sctp_endpoint { /* Common substructure for endpoint and association. */ struct sctp_ep_common base; + /* Fields to help us manage our entries in the hash tables. */ + struct hlist_node node; + int hashent; + /* Associations: A list of current associations and mappings * to the data consumers for each association. This * may be in the form of a hash table or other diff --git a/net/sctp/input.c b/net/sctp/input.c index 8f3aab6a4458..17df756418ea 100644 --- a/net/sctp/input.c +++ b/net/sctp/input.c @@ -723,23 +723,21 @@ static int __sctp_hash_endpoint(struct sctp_endpoint *ep) struct sock *sk = ep->base.sk; struct net *net = sock_net(sk); struct sctp_hashbucket *head; - struct sctp_ep_common *epb; - epb = &ep->base; - epb->hashent = sctp_ep_hashfn(net, epb->bind_addr.port); - head = &sctp_ep_hashtable[epb->hashent]; + ep->hashent = sctp_ep_hashfn(net, ep->base.bind_addr.port); + head = &sctp_ep_hashtable[ep->hashent]; if (sk->sk_reuseport) { bool any = sctp_is_ep_boundall(sk); - struct sctp_ep_common *epb2; + struct sctp_endpoint *ep2; struct list_head *list; int cnt = 0, err = 1; list_for_each(list, &ep->base.bind_addr.address_list) cnt++; - sctp_for_each_hentry(epb2, &head->chain) { - struct sock *sk2 = epb2->sk; + sctp_for_each_hentry(ep2, &head->chain) { + struct sock *sk2 = ep2->base.sk; if (!net_eq(sock_net(sk2), net) || sk2 == sk || !uid_eq(sock_i_uid(sk2), sock_i_uid(sk)) || @@ -766,7 +764,7 @@ static int __sctp_hash_endpoint(struct sctp_endpoint *ep) } write_lock(&head->lock); - hlist_add_head(&epb->node, &head->chain); + hlist_add_head(&ep->node, &head->chain); write_unlock(&head->lock); return 0; } @@ -788,19 +786,16 @@ static void __sctp_unhash_endpoint(struct sctp_endpoint *ep) { struct sock *sk = ep->base.sk; struct sctp_hashbucket *head; - struct sctp_ep_common *epb; - epb = &ep->base; + ep->hashent = sctp_ep_hashfn(sock_net(sk), ep->base.bind_addr.port); - epb->hashent = sctp_ep_hashfn(sock_net(sk), epb->bind_addr.port); - - head = &sctp_ep_hashtable[epb->hashent]; + head = &sctp_ep_hashtable[ep->hashent]; if (rcu_access_pointer(sk->sk_reuseport_cb)) reuseport_detach_sock(sk); write_lock(&head->lock); - hlist_del_init(&epb->node); + hlist_del_init(&ep->node); write_unlock(&head->lock); } @@ -833,7 +828,6 @@ static struct sctp_endpoint *__sctp_rcv_lookup_endpoint( const union sctp_addr *paddr) { struct sctp_hashbucket *head; - struct sctp_ep_common *epb; struct sctp_endpoint *ep; struct sock *sk; __be16 lport; @@ -843,8 +837,7 @@ static struct sctp_endpoint *__sctp_rcv_lookup_endpoint( hash = sctp_ep_hashfn(net, ntohs(lport)); head = &sctp_ep_hashtable[hash]; read_lock(&head->lock); - sctp_for_each_hentry(epb, &head->chain) { - ep = sctp_ep(epb); + sctp_for_each_hentry(ep, &head->chain) { if (sctp_endpoint_is_match(ep, net, laddr)) goto hit; } diff --git a/net/sctp/proc.c b/net/sctp/proc.c index 963b94517ec2..ec00ee75d59a 100644 --- a/net/sctp/proc.c +++ b/net/sctp/proc.c @@ -161,7 +161,6 @@ static void *sctp_eps_seq_next(struct seq_file *seq, void *v, loff_t *pos) static int sctp_eps_seq_show(struct seq_file *seq, void *v) { struct sctp_hashbucket *head; - struct sctp_ep_common *epb; struct sctp_endpoint *ep; struct sock *sk; int hash = *(loff_t *)v; @@ -171,18 +170,17 @@ static int sctp_eps_seq_show(struct seq_file *seq, void *v) head = &sctp_ep_hashtable[hash]; read_lock_bh(&head->lock); - sctp_for_each_hentry(epb, &head->chain) { - ep = sctp_ep(epb); - sk = epb->sk; + sctp_for_each_hentry(ep, &head->chain) { + sk = ep->base.sk; if (!net_eq(sock_net(sk), seq_file_net(seq))) continue; seq_printf(seq, "%8pK %8pK %-3d %-3d %-4d %-5d %5u %5lu ", ep, sk, sctp_sk(sk)->type, sk->sk_state, hash, - epb->bind_addr.port, + ep->base.bind_addr.port, from_kuid_munged(seq_user_ns(seq), sock_i_uid(sk)), sock_i_ino(sk)); - sctp_seq_dump_local_addrs(seq, epb); + sctp_seq_dump_local_addrs(seq, &ep->base); seq_printf(seq, "\n"); } read_unlock_bh(&head->lock); diff --git a/net/sctp/socket.c b/net/sctp/socket.c index 79cf4cda2cf6..5053d813e91c 100644 --- a/net/sctp/socket.c +++ b/net/sctp/socket.c @@ -5193,14 +5193,14 @@ int sctp_for_each_endpoint(int (*cb)(struct sctp_endpoint *, void *), void *p) { int err = 0; int hash = 0; - struct sctp_ep_common *epb; + struct sctp_endpoint *ep; struct sctp_hashbucket *head; for (head = sctp_ep_hashtable; hash < sctp_ep_hashsize; hash++, head++) { read_lock_bh(&head->lock); - sctp_for_each_hentry(epb, &head->chain) { - err = cb(sctp_ep(epb), p); + sctp_for_each_hentry(ep, &head->chain) { + err = cb(ep, p); if (err) break; } From 52319d9d2f522ed939af31af70f8c3a0f0f67e6c Mon Sep 17 00:00:00 2001 From: Kuniyuki Iwashima Date: Wed, 31 Jul 2024 16:46:24 -0700 Subject: [PATCH 242/702] sctp: Fix null-ptr-deref in reuseport_add_sock(). [ Upstream commit 9ab0faa7f9ffe31296dbb9bbe6f76c72c14eea18 ] syzbot reported a null-ptr-deref while accessing sk2->sk_reuseport_cb in reuseport_add_sock(). [0] The repro first creates a listener with SO_REUSEPORT. Then, it creates another listener on the same port and concurrently closes the first listener. The second listen() calls reuseport_add_sock() with the first listener as sk2, where sk2->sk_reuseport_cb is not expected to be cleared concurrently, but the close() does clear it by reuseport_detach_sock(). The problem is SCTP does not properly synchronise reuseport_alloc(), reuseport_add_sock(), and reuseport_detach_sock(). The caller of reuseport_alloc() and reuseport_{add,detach}_sock() must provide synchronisation for sockets that are classified into the same reuseport group. Otherwise, such sockets form multiple identical reuseport groups, and all groups except one would be silently dead. 1. Two sockets call listen() concurrently 2. No socket in the same group found in sctp_ep_hashtable[] 3. Two sockets call reuseport_alloc() and form two reuseport groups 4. Only one group hit first in __sctp_rcv_lookup_endpoint() receives incoming packets Also, the reported null-ptr-deref could occur. TCP/UDP guarantees that would not happen by holding the hash bucket lock. Let's apply the locking strategy to __sctp_hash_endpoint() and __sctp_unhash_endpoint(). [0]: Oops: general protection fault, probably for non-canonical address 0xdffffc0000000002: 0000 [#1] PREEMPT SMP KASAN PTI KASAN: null-ptr-deref in range [0x0000000000000010-0x0000000000000017] CPU: 1 UID: 0 PID: 10230 Comm: syz-executor119 Not tainted 6.10.0-syzkaller-12585-g301927d2d2eb #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/27/2024 RIP: 0010:reuseport_add_sock+0x27e/0x5e0 net/core/sock_reuseport.c:350 Code: 00 0f b7 5d 00 bf 01 00 00 00 89 de e8 1b a4 ff f7 83 fb 01 0f 85 a3 01 00 00 e8 6d a0 ff f7 49 8d 7e 12 48 89 f8 48 c1 e8 03 <42> 0f b6 04 28 84 c0 0f 85 4b 02 00 00 41 0f b7 5e 12 49 8d 7e 14 RSP: 0018:ffffc9000b947c98 EFLAGS: 00010202 RAX: 0000000000000002 RBX: ffff8880252ddf98 RCX: ffff888079478000 RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000012 RBP: 0000000000000001 R08: ffffffff8993e18d R09: 1ffffffff1fef385 R10: dffffc0000000000 R11: fffffbfff1fef386 R12: ffff8880252ddac0 R13: dffffc0000000000 R14: 0000000000000000 R15: 0000000000000000 FS: 00007f24e45b96c0(0000) GS:ffff8880b9300000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007ffcced5f7b8 CR3: 00000000241be000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: __sctp_hash_endpoint net/sctp/input.c:762 [inline] sctp_hash_endpoint+0x52a/0x600 net/sctp/input.c:790 sctp_listen_start net/sctp/socket.c:8570 [inline] sctp_inet_listen+0x767/0xa20 net/sctp/socket.c:8625 __sys_listen_socket net/socket.c:1883 [inline] __sys_listen+0x1b7/0x230 net/socket.c:1894 __do_sys_listen net/socket.c:1902 [inline] __se_sys_listen net/socket.c:1900 [inline] __x64_sys_listen+0x5a/0x70 net/socket.c:1900 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f24e46039b9 Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 91 1a 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007f24e45b9228 EFLAGS: 00000246 ORIG_RAX: 0000000000000032 RAX: ffffffffffffffda RBX: 00007f24e468e428 RCX: 00007f24e46039b9 RDX: 00007f24e46039b9 RSI: 0000000000000003 RDI: 0000000000000004 RBP: 00007f24e468e420 R08: 00007f24e45b96c0 R09: 00007f24e45b96c0 R10: 00007f24e45b96c0 R11: 0000000000000246 R12: 00007f24e468e42c R13: 00007f24e465a5dc R14: 0020000000000001 R15: 00007ffcced5f7d8 Modules linked in: Fixes: 6ba845740267 ("sctp: process sk_reuseport in sctp_get_port_local") Reported-by: syzbot+e6979a5d2f10ecb700e4@syzkaller.appspotmail.com Closes: https://syzkaller.appspot.com/bug?extid=e6979a5d2f10ecb700e4 Tested-by: syzbot+e6979a5d2f10ecb700e4@syzkaller.appspotmail.com Signed-off-by: Kuniyuki Iwashima Acked-by: Xin Long Link: https://patch.msgid.link/20240731234624.94055-1-kuniyu@amazon.com Signed-off-by: Jakub Kicinski Signed-off-by: Sasha Levin --- net/sctp/input.c | 19 +++++++++++-------- 1 file changed, 11 insertions(+), 8 deletions(-) diff --git a/net/sctp/input.c b/net/sctp/input.c index 17df756418ea..8fe1a74f0618 100644 --- a/net/sctp/input.c +++ b/net/sctp/input.c @@ -723,15 +723,19 @@ static int __sctp_hash_endpoint(struct sctp_endpoint *ep) struct sock *sk = ep->base.sk; struct net *net = sock_net(sk); struct sctp_hashbucket *head; + int err = 0; ep->hashent = sctp_ep_hashfn(net, ep->base.bind_addr.port); head = &sctp_ep_hashtable[ep->hashent]; + write_lock(&head->lock); if (sk->sk_reuseport) { bool any = sctp_is_ep_boundall(sk); struct sctp_endpoint *ep2; struct list_head *list; - int cnt = 0, err = 1; + int cnt = 0; + + err = 1; list_for_each(list, &ep->base.bind_addr.address_list) cnt++; @@ -749,24 +753,24 @@ static int __sctp_hash_endpoint(struct sctp_endpoint *ep) if (!err) { err = reuseport_add_sock(sk, sk2, any); if (err) - return err; + goto out; break; } else if (err < 0) { - return err; + goto out; } } if (err) { err = reuseport_alloc(sk, any); if (err) - return err; + goto out; } } - write_lock(&head->lock); hlist_add_head(&ep->node, &head->chain); +out: write_unlock(&head->lock); - return 0; + return err; } /* Add an endpoint to the hash. Local BH-safe. */ @@ -791,10 +795,9 @@ static void __sctp_unhash_endpoint(struct sctp_endpoint *ep) head = &sctp_ep_hashtable[ep->hashent]; + write_lock(&head->lock); if (rcu_access_pointer(sk->sk_reuseport_cb)) reuseport_detach_sock(sk); - - write_lock(&head->lock); hlist_del_init(&ep->node); write_unlock(&head->lock); } From e87f52225e04a7001bf55bbd7a330fa4252327b5 Mon Sep 17 00:00:00 2001 From: Daniele Palmas Date: Thu, 1 Aug 2024 15:55:12 +0200 Subject: [PATCH 243/702] net: usb: qmi_wwan: fix memory leak for not ip packets MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit [ Upstream commit 7ab107544b777c3bd7feb9fe447367d8edd5b202 ] Free the unused skb when not ip packets arrive. Fixes: c6adf77953bc ("net: usb: qmi_wwan: add qmap mux protocol support") Signed-off-by: Daniele Palmas Acked-by: Bjørn Mork Signed-off-by: David S. Miller Signed-off-by: Sasha Levin --- drivers/net/usb/qmi_wwan.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/net/usb/qmi_wwan.c b/drivers/net/usb/qmi_wwan.c index d2a8238e144a..47cc54a64b56 100644 --- a/drivers/net/usb/qmi_wwan.c +++ b/drivers/net/usb/qmi_wwan.c @@ -216,6 +216,7 @@ static int qmimux_rx_fixup(struct usbnet *dev, struct sk_buff *skb) break; default: /* not ip - do not know what to do */ + kfree_skb(skbn); goto skip; } From 085fb116c4ad22691fc048c0667ccf053b1a7a90 Mon Sep 17 00:00:00 2001 From: Eric Dumazet Date: Mon, 5 Aug 2024 08:58:21 +0000 Subject: [PATCH 244/702] net: linkwatch: use system_unbound_wq [ Upstream commit 3e7917c0cdad835a5121520fc5686d954b7a61ab ] linkwatch_event() grabs possibly very contended RTNL mutex. system_wq is not suitable for such work. Inspired by many noisy syzbot reports. 3 locks held by kworker/0:7/5266: #0: ffff888015480948 ((wq_completion)events){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3206 [inline] #0: ffff888015480948 ((wq_completion)events){+.+.}-{0:0}, at: process_scheduled_works+0x90a/0x1830 kernel/workqueue.c:3312 #1: ffffc90003f6fd00 ((linkwatch_work).work){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3207 [inline] , at: process_scheduled_works+0x945/0x1830 kernel/workqueue.c:3312 #2: ffffffff8fa6f208 (rtnl_mutex){+.+.}-{3:3}, at: linkwatch_event+0xe/0x60 net/core/link_watch.c:276 Reported-by: syzbot Fixes: 1da177e4c3f4 ("Linux-2.6.12-rc2") Signed-off-by: Eric Dumazet Reviewed-by: Kuniyuki Iwashima Link: https://patch.msgid.link/20240805085821.1616528-1-edumazet@google.com Signed-off-by: Jakub Kicinski Signed-off-by: Sasha Levin --- net/core/link_watch.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/net/core/link_watch.c b/net/core/link_watch.c index 1a455847da54..0311d4d309e1 100644 --- a/net/core/link_watch.c +++ b/net/core/link_watch.c @@ -138,9 +138,9 @@ static void linkwatch_schedule_work(int urgent) * override the existing timer. */ if (test_bit(LW_URGENT, &linkwatch_flags)) - mod_delayed_work(system_wq, &linkwatch_work, 0); + mod_delayed_work(system_unbound_wq, &linkwatch_work, 0); else - schedule_delayed_work(&linkwatch_work, delay); + queue_delayed_work(system_unbound_wq, &linkwatch_work, delay); } From 01150020c0719e1e37b1c068cb3446b8028a599f Mon Sep 17 00:00:00 2001 From: Dmitry Antipov Date: Wed, 31 Jul 2024 12:19:36 +0300 Subject: [PATCH 245/702] Bluetooth: l2cap: always unlock channel in l2cap_conless_channel() [ Upstream commit c531e63871c0b50c8c4e62c048535a08886fba3e ] Add missing call to 'l2cap_chan_unlock()' on receive error handling path in 'l2cap_conless_channel()'. Fixes: a24cce144b98 ("Bluetooth: Fix reference counting of global L2CAP channels") Reported-by: syzbot+45ac74737e866894acb0@syzkaller.appspotmail.com Closes: https://syzkaller.appspot.com/bug?extid=45ac74737e866894acb0 Signed-off-by: Dmitry Antipov Signed-off-by: Luiz Augusto von Dentz Signed-off-by: Sasha Levin --- net/bluetooth/l2cap_core.c | 1 + 1 file changed, 1 insertion(+) diff --git a/net/bluetooth/l2cap_core.c b/net/bluetooth/l2cap_core.c index 9cc034e6074c..23fc03f7bf31 100644 --- a/net/bluetooth/l2cap_core.c +++ b/net/bluetooth/l2cap_core.c @@ -7762,6 +7762,7 @@ static void l2cap_conless_channel(struct l2cap_conn *conn, __le16 psm, bt_cb(skb)->l2cap.psm = psm; if (!chan->ops->recv(chan, skb)) { + l2cap_chan_unlock(chan); l2cap_chan_put(chan); return; } From b7b8d9f5e679af60c94251fd6728dde34be69a71 Mon Sep 17 00:00:00 2001 From: Joe Hattori Date: Tue, 6 Aug 2024 10:13:27 +0900 Subject: [PATCH 246/702] net: dsa: bcm_sf2: Fix a possible memory leak in bcm_sf2_mdio_register() [ Upstream commit e3862093ee93fcfbdadcb7957f5f8974fffa806a ] bcm_sf2_mdio_register() calls of_phy_find_device() and then phy_device_remove() in a loop to remove existing PHY devices. of_phy_find_device() eventually calls bus_find_device(), which calls get_device() on the returned struct device * to increment the refcount. The current implementation does not decrement the refcount, which causes memory leak. This commit adds the missing phy_device_free() call to decrement the refcount via put_device() to balance the refcount. Fixes: 771089c2a485 ("net: dsa: bcm_sf2: Ensure that MDIO diversion is used") Signed-off-by: Joe Hattori Tested-by: Florian Fainelli Reviewed-by: Florian Fainelli Link: https://patch.msgid.link/20240806011327.3817861-1-joe@pf.is.s.u-tokyo.ac.jp Signed-off-by: Jakub Kicinski Signed-off-by: Sasha Levin --- drivers/net/dsa/bcm_sf2.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/drivers/net/dsa/bcm_sf2.c b/drivers/net/dsa/bcm_sf2.c index a5849663f65c..d0f94a5fae5a 100644 --- a/drivers/net/dsa/bcm_sf2.c +++ b/drivers/net/dsa/bcm_sf2.c @@ -558,8 +558,10 @@ static int bcm_sf2_mdio_register(struct dsa_switch *ds) of_remove_property(child, prop); phydev = of_phy_find_device(child); - if (phydev) + if (phydev) { phy_device_remove(phydev); + phy_device_free(phydev); + } } err = mdiobus_register(priv->slave_mii_bus); From 865948628a42ef6b661fe3f204620bab1f7a6414 Mon Sep 17 00:00:00 2001 From: James Chapman Date: Tue, 6 Aug 2024 17:06:26 +0100 Subject: [PATCH 247/702] l2tp: fix lockdep splat [ Upstream commit 86a41ea9fd79ddb6145cb8ebf5aeafceabca6f7d ] When l2tp tunnels use a socket provided by userspace, we can hit lockdep splats like the below when data is transmitted through another (unrelated) userspace socket which then gets routed over l2tp. This issue was previously discussed here: https://lore.kernel.org/netdev/87sfialu2n.fsf@cloudflare.com/ The solution is to have lockdep treat socket locks of l2tp tunnel sockets separately than those of standard INET sockets. To do so, use a different lockdep subclass where lock nesting is possible. ============================================ WARNING: possible recursive locking detected 6.10.0+ #34 Not tainted -------------------------------------------- iperf3/771 is trying to acquire lock: ffff8881027601d8 (slock-AF_INET/1){+.-.}-{2:2}, at: l2tp_xmit_skb+0x243/0x9d0 but task is already holding lock: ffff888102650d98 (slock-AF_INET/1){+.-.}-{2:2}, at: tcp_v4_rcv+0x1848/0x1e10 other info that might help us debug this: Possible unsafe locking scenario: CPU0 ---- lock(slock-AF_INET/1); lock(slock-AF_INET/1); *** DEADLOCK *** May be due to missing lock nesting notation 10 locks held by iperf3/771: #0: ffff888102650258 (sk_lock-AF_INET){+.+.}-{0:0}, at: tcp_sendmsg+0x1a/0x40 #1: ffffffff822ac220 (rcu_read_lock){....}-{1:2}, at: __ip_queue_xmit+0x4b/0xbc0 #2: ffffffff822ac220 (rcu_read_lock){....}-{1:2}, at: ip_finish_output2+0x17a/0x1130 #3: ffffffff822ac220 (rcu_read_lock){....}-{1:2}, at: process_backlog+0x28b/0x9f0 #4: ffffffff822ac220 (rcu_read_lock){....}-{1:2}, at: ip_local_deliver_finish+0xf9/0x260 #5: ffff888102650d98 (slock-AF_INET/1){+.-.}-{2:2}, at: tcp_v4_rcv+0x1848/0x1e10 #6: ffffffff822ac220 (rcu_read_lock){....}-{1:2}, at: __ip_queue_xmit+0x4b/0xbc0 #7: ffffffff822ac220 (rcu_read_lock){....}-{1:2}, at: ip_finish_output2+0x17a/0x1130 #8: ffffffff822ac1e0 (rcu_read_lock_bh){....}-{1:2}, at: __dev_queue_xmit+0xcc/0x1450 #9: ffff888101f33258 (dev->qdisc_tx_busylock ?: &qdisc_tx_busylock#2){+...}-{2:2}, at: __dev_queue_xmit+0x513/0x1450 stack backtrace: CPU: 2 UID: 0 PID: 771 Comm: iperf3 Not tainted 6.10.0+ #34 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.15.0-1 04/01/2014 Call Trace: dump_stack_lvl+0x69/0xa0 dump_stack+0xc/0x20 __lock_acquire+0x135d/0x2600 ? srso_alias_return_thunk+0x5/0xfbef5 lock_acquire+0xc4/0x2a0 ? l2tp_xmit_skb+0x243/0x9d0 ? __skb_checksum+0xa3/0x540 _raw_spin_lock_nested+0x35/0x50 ? l2tp_xmit_skb+0x243/0x9d0 l2tp_xmit_skb+0x243/0x9d0 l2tp_eth_dev_xmit+0x3c/0xc0 dev_hard_start_xmit+0x11e/0x420 sch_direct_xmit+0xc3/0x640 __dev_queue_xmit+0x61c/0x1450 ? ip_finish_output2+0xf4c/0x1130 ip_finish_output2+0x6b6/0x1130 ? srso_alias_return_thunk+0x5/0xfbef5 ? __ip_finish_output+0x217/0x380 ? srso_alias_return_thunk+0x5/0xfbef5 __ip_finish_output+0x217/0x380 ip_output+0x99/0x120 __ip_queue_xmit+0xae4/0xbc0 ? srso_alias_return_thunk+0x5/0xfbef5 ? srso_alias_return_thunk+0x5/0xfbef5 ? tcp_options_write.constprop.0+0xcb/0x3e0 ip_queue_xmit+0x34/0x40 __tcp_transmit_skb+0x1625/0x1890 __tcp_send_ack+0x1b8/0x340 tcp_send_ack+0x23/0x30 __tcp_ack_snd_check+0xa8/0x530 ? srso_alias_return_thunk+0x5/0xfbef5 tcp_rcv_established+0x412/0xd70 tcp_v4_do_rcv+0x299/0x420 tcp_v4_rcv+0x1991/0x1e10 ip_protocol_deliver_rcu+0x50/0x220 ip_local_deliver_finish+0x158/0x260 ip_local_deliver+0xc8/0xe0 ip_rcv+0xe5/0x1d0 ? __pfx_ip_rcv+0x10/0x10 __netif_receive_skb_one_core+0xce/0xe0 ? process_backlog+0x28b/0x9f0 __netif_receive_skb+0x34/0xd0 ? process_backlog+0x28b/0x9f0 process_backlog+0x2cb/0x9f0 __napi_poll.constprop.0+0x61/0x280 net_rx_action+0x332/0x670 ? srso_alias_return_thunk+0x5/0xfbef5 ? find_held_lock+0x2b/0x80 ? srso_alias_return_thunk+0x5/0xfbef5 ? srso_alias_return_thunk+0x5/0xfbef5 handle_softirqs+0xda/0x480 ? __dev_queue_xmit+0xa2c/0x1450 do_softirq+0xa1/0xd0 __local_bh_enable_ip+0xc8/0xe0 ? __dev_queue_xmit+0xa2c/0x1450 __dev_queue_xmit+0xa48/0x1450 ? ip_finish_output2+0xf4c/0x1130 ip_finish_output2+0x6b6/0x1130 ? srso_alias_return_thunk+0x5/0xfbef5 ? __ip_finish_output+0x217/0x380 ? srso_alias_return_thunk+0x5/0xfbef5 __ip_finish_output+0x217/0x380 ip_output+0x99/0x120 __ip_queue_xmit+0xae4/0xbc0 ? srso_alias_return_thunk+0x5/0xfbef5 ? srso_alias_return_thunk+0x5/0xfbef5 ? tcp_options_write.constprop.0+0xcb/0x3e0 ip_queue_xmit+0x34/0x40 __tcp_transmit_skb+0x1625/0x1890 tcp_write_xmit+0x766/0x2fb0 ? __entry_text_end+0x102ba9/0x102bad ? srso_alias_return_thunk+0x5/0xfbef5 ? __might_fault+0x74/0xc0 ? srso_alias_return_thunk+0x5/0xfbef5 __tcp_push_pending_frames+0x56/0x190 tcp_push+0x117/0x310 tcp_sendmsg_locked+0x14c1/0x1740 tcp_sendmsg+0x28/0x40 inet_sendmsg+0x5d/0x90 sock_write_iter+0x242/0x2b0 vfs_write+0x68d/0x800 ? __pfx_sock_write_iter+0x10/0x10 ksys_write+0xc8/0xf0 __x64_sys_write+0x3d/0x50 x64_sys_call+0xfaf/0x1f50 do_syscall_64+0x6d/0x140 entry_SYSCALL_64_after_hwframe+0x76/0x7e RIP: 0033:0x7f4d143af992 Code: c3 8b 07 85 c0 75 24 49 89 fb 48 89 f0 48 89 d7 48 89 ce 4c 89 c2 4d 89 ca 4c 8b 44 24 08 4c 8b 4c 24 10 4c 89 5c 24 08 0f 05 e9 01 cc ff ff 41 54 b8 02 00 00 0 RSP: 002b:00007ffd65032058 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007f4d143af992 RDX: 0000000000000025 RSI: 00007f4d143f3bcc RDI: 0000000000000005 RBP: 00007f4d143f2b28 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00007f4d143f3bcc R13: 0000000000000005 R14: 0000000000000000 R15: 00007ffd650323f0 Fixes: 0b2c59720e65 ("l2tp: close all race conditions in l2tp_tunnel_register()") Suggested-by: Eric Dumazet Reported-by: syzbot+6acef9e0a4d1f46c83d4@syzkaller.appspotmail.com Closes: https://syzkaller.appspot.com/bug?extid=6acef9e0a4d1f46c83d4 CC: gnault@redhat.com CC: cong.wang@bytedance.com Signed-off-by: James Chapman Signed-off-by: Tom Parkin Link: https://patch.msgid.link/20240806160626.1248317-1-jchapman@katalix.com Signed-off-by: Jakub Kicinski Signed-off-by: Sasha Levin --- net/l2tp/l2tp_core.c | 15 +++++++++++++-- 1 file changed, 13 insertions(+), 2 deletions(-) diff --git a/net/l2tp/l2tp_core.c b/net/l2tp/l2tp_core.c index a4b793d1b7d7..b6dcfca740c1 100644 --- a/net/l2tp/l2tp_core.c +++ b/net/l2tp/l2tp_core.c @@ -88,6 +88,11 @@ /* Default trace flags */ #define L2TP_DEFAULT_DEBUG_FLAGS 0 +#define L2TP_DEPTH_NESTING 2 +#if L2TP_DEPTH_NESTING == SINGLE_DEPTH_NESTING +#error "L2TP requires its own lockdep subclass" +#endif + /* Private data stored for received packets in the skb. */ struct l2tp_skb_cb { @@ -1041,7 +1046,13 @@ static int l2tp_xmit_core(struct l2tp_session *session, struct sk_buff *skb, uns IPCB(skb)->flags &= ~(IPSKB_XFRM_TUNNEL_SIZE | IPSKB_XFRM_TRANSFORMED | IPSKB_REROUTED); nf_reset_ct(skb); - bh_lock_sock_nested(sk); + /* L2TP uses its own lockdep subclass to avoid lockdep splats caused by + * nested socket calls on the same lockdep socket class. This can + * happen when data from a user socket is routed over l2tp, which uses + * another userspace socket. + */ + spin_lock_nested(&sk->sk_lock.slock, L2TP_DEPTH_NESTING); + if (sock_owned_by_user(sk)) { kfree_skb(skb); ret = NET_XMIT_DROP; @@ -1093,7 +1104,7 @@ static int l2tp_xmit_core(struct l2tp_session *session, struct sk_buff *skb, uns ret = l2tp_xmit_queue(tunnel, skb, &inet->cork.fl); out_unlock: - bh_unlock_sock(sk); + spin_unlock(&sk->sk_lock.slock); return ret; } From adc491f3e73d852d2b7f9ec9f11668bb1442d6ee Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Cs=C3=B3k=C3=A1s=2C=20Bence?= Date: Wed, 7 Aug 2024 10:09:56 +0200 Subject: [PATCH 248/702] net: fec: Stop PPS on driver remove MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit [ Upstream commit 8fee6d5ad5fa18c270eedb2a2cdf58dbadefb94b ] PPS was not stopped in `fec_ptp_stop()`, called when the adapter was removed. Consequentially, you couldn't safely reload the driver with the PPS signal on. Fixes: 32cba57ba74b ("net: fec: introduce fec_ptp_stop and use in probe fail path") Reviewed-by: Fabio Estevam Link: https://lore.kernel.org/netdev/CAOMZO5BzcZR8PwKKwBssQq_wAGzVgf1ffwe_nhpQJjviTdxy-w@mail.gmail.com/T/#m01dcb810bfc451a492140f6797ca77443d0cb79f Signed-off-by: Csókás, Bence Reviewed-by: Andrew Lunn Reviewed-by: Frank Li Link: https://patch.msgid.link/20240807080956.2556602-1-csokas.bence@prolan.hu Signed-off-by: Jakub Kicinski Signed-off-by: Sasha Levin --- drivers/net/ethernet/freescale/fec_ptp.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/drivers/net/ethernet/freescale/fec_ptp.c b/drivers/net/ethernet/freescale/fec_ptp.c index 780fbb3e1ed0..84e0855069a8 100644 --- a/drivers/net/ethernet/freescale/fec_ptp.c +++ b/drivers/net/ethernet/freescale/fec_ptp.c @@ -640,6 +640,9 @@ void fec_ptp_stop(struct platform_device *pdev) struct net_device *ndev = platform_get_drvdata(pdev); struct fec_enet_private *fep = netdev_priv(ndev); + if (fep->pps_enable) + fec_ptp_enable_pps(fep, 0); + cancel_delayed_work_sync(&fep->time_keep); if (fep->ptp_clock) ptp_clock_unregister(fep->ptp_clock); From 464d242868a8604d77cd1a1ea2f3f3f86cb265b6 Mon Sep 17 00:00:00 2001 From: "Paul E. McKenney" Date: Fri, 5 Apr 2024 12:02:11 -0700 Subject: [PATCH 249/702] rcutorture: Fix rcu_torture_fwd_cb_cr() data race [ Upstream commit 6040072f4774a575fa67b912efe7722874be337b ] On powerpc systems, spinlock acquisition does not order prior stores against later loads. This means that this statement: rfcp->rfc_next = NULL; Can be reordered to follow this statement: WRITE_ONCE(*rfcpp, rfcp); Which is then a data race with rcu_torture_fwd_prog_cr(), specifically, this statement: rfcpn = READ_ONCE(rfcp->rfc_next) KCSAN located this data race, which represents a real failure on powerpc. Signed-off-by: Paul E. McKenney Acked-by: Marco Elver Cc: Andrey Konovalov Cc: Signed-off-by: Sasha Levin --- kernel/rcu/rcutorture.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/kernel/rcu/rcutorture.c b/kernel/rcu/rcutorture.c index 9f505688291e..5c4bdbe76df0 100644 --- a/kernel/rcu/rcutorture.c +++ b/kernel/rcu/rcutorture.c @@ -1867,7 +1867,7 @@ static void rcu_torture_fwd_cb_cr(struct rcu_head *rhp) spin_lock_irqsave(&rfp->rcu_fwd_lock, flags); rfcpp = rfp->rcu_fwd_cb_tail; rfp->rcu_fwd_cb_tail = &rfcp->rfc_next; - WRITE_ONCE(*rfcpp, rfcp); + smp_store_release(rfcpp, rfcp); WRITE_ONCE(rfp->n_launders_cb, rfp->n_launders_cb + 1); i = ((jiffies - rfp->rcu_fwd_startat) / (HZ / FWD_CBS_HIST_DIV)); if (i >= ARRAY_SIZE(rfp->n_launders_hist)) From 5ccf99545c7132187849db9f3ff1b2c8f8be851b Mon Sep 17 00:00:00 2001 From: Li Nan Date: Wed, 8 May 2024 17:20:53 +0800 Subject: [PATCH 250/702] md: do not delete safemode_timer in mddev_suspend [ Upstream commit a8768a134518e406d41799a3594aeb74e0889cf7 ] The deletion of safemode_timer in mddev_suspend() is redundant and potentially harmful now. If timer is about to be woken up but gets deleted, 'in_sync' will remain 0 until the next write, causing array to stay in the 'active' state instead of transitioning to 'clean'. Commit 0d9f4f135eb6 ("MD: Add del_timer_sync to mddev_suspend (fix nasty panic))" introduced this deletion for dm, because if timer fired after dm is destroyed, the resource which the timer depends on might have been freed. However, commit 0dd84b319352 ("md: call __md_stop_writes in md_stop") added __md_stop_writes() to md_stop(), which is called before freeing resource. Timer is deleted in __md_stop_writes(), and the origin issue is resolved. Therefore, delete safemode_timer can be removed safely now. Signed-off-by: Li Nan Reviewed-by: Yu Kuai Signed-off-by: Song Liu Link: https://lore.kernel.org/r/20240508092053.1447930-1-linan666@huaweicloud.com Signed-off-by: Sasha Levin --- drivers/md/md.c | 1 - 1 file changed, 1 deletion(-) diff --git a/drivers/md/md.c b/drivers/md/md.c index 67ceab4573be..f1f029243e0c 100644 --- a/drivers/md/md.c +++ b/drivers/md/md.c @@ -524,7 +524,6 @@ void mddev_suspend(struct mddev *mddev) clear_bit_unlock(MD_ALLOW_SB_UPDATE, &mddev->flags); wait_event(mddev->sb_wait, !test_bit(MD_UPDATING_SB, &mddev->flags)); - del_timer_sync(&mddev->safemode_timer); /* restrict memory reclaim I/O during raid array is suspend */ mddev->noio_flag = memalloc_noio_save(); } From c384dd4f1fb3b14a2fd199360701cc163ea88705 Mon Sep 17 00:00:00 2001 From: Yu Kuai Date: Tue, 11 Jun 2024 21:22:51 +0800 Subject: [PATCH 251/702] md/raid5: avoid BUG_ON() while continue reshape after reassembling [ Upstream commit 305a5170dc5cf3d395bb4c4e9239bca6d0b54b49 ] Currently, mdadm support --revert-reshape to abort the reshape while reassembling, as the test 07revert-grow. However, following BUG_ON() can be triggerred by the test: kernel BUG at drivers/md/raid5.c:6278! invalid opcode: 0000 [#1] PREEMPT SMP PTI irq event stamp: 158985 CPU: 6 PID: 891 Comm: md0_reshape Not tainted 6.9.0-03335-g7592a0b0049a #94 RIP: 0010:reshape_request+0x3f1/0xe60 Call Trace: raid5_sync_request+0x43d/0x550 md_do_sync+0xb7a/0x2110 md_thread+0x294/0x2b0 kthread+0x147/0x1c0 ret_from_fork+0x59/0x70 ret_from_fork_asm+0x1a/0x30 Root cause is that --revert-reshape update the raid_disks from 5 to 4, while reshape position is still set, and after reassembling the array, reshape position will be read from super block, then during reshape the checking of 'writepos' that is caculated by old reshape position will fail. Fix this panic the easy way first, by converting the BUG_ON() to WARN_ON(), and stop the reshape if checkings fail. Noted that mdadm must fix --revert-shape as well, and probably md/raid should enhance metadata validation as well, however this means reassemble will fail and there must be user tools to fix the wrong metadata. Signed-off-by: Yu Kuai Signed-off-by: Song Liu Link: https://lore.kernel.org/r/20240611132251.1967786-13-yukuai1@huaweicloud.com Signed-off-by: Sasha Levin --- drivers/md/raid5.c | 20 +++++++++++++------- 1 file changed, 13 insertions(+), 7 deletions(-) diff --git a/drivers/md/raid5.c b/drivers/md/raid5.c index 66167c4c7bc9..7cdc6f20f504 100644 --- a/drivers/md/raid5.c +++ b/drivers/md/raid5.c @@ -6005,7 +6005,9 @@ static sector_t reshape_request(struct mddev *mddev, sector_t sector_nr, int *sk safepos = conf->reshape_safe; sector_div(safepos, data_disks); if (mddev->reshape_backwards) { - BUG_ON(writepos < reshape_sectors); + if (WARN_ON(writepos < reshape_sectors)) + return MaxSector; + writepos -= reshape_sectors; readpos += reshape_sectors; safepos += reshape_sectors; @@ -6023,14 +6025,18 @@ static sector_t reshape_request(struct mddev *mddev, sector_t sector_nr, int *sk * to set 'stripe_addr' which is where we will write to. */ if (mddev->reshape_backwards) { - BUG_ON(conf->reshape_progress == 0); + if (WARN_ON(conf->reshape_progress == 0)) + return MaxSector; + stripe_addr = writepos; - BUG_ON((mddev->dev_sectors & - ~((sector_t)reshape_sectors - 1)) - - reshape_sectors - stripe_addr - != sector_nr); + if (WARN_ON((mddev->dev_sectors & + ~((sector_t)reshape_sectors - 1)) - + reshape_sectors - stripe_addr != sector_nr)) + return MaxSector; } else { - BUG_ON(writepos != sector_nr + reshape_sectors); + if (WARN_ON(writepos != sector_nr + reshape_sectors)) + return MaxSector; + stripe_addr = sector_nr; } From 64ac0c02352b44cda6ac29013bfdd16dc9a8e1ac Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Niklas=20S=C3=B6derlund?= Date: Tue, 2 Jul 2024 21:02:30 +0200 Subject: [PATCH 252/702] clocksource/drivers/sh_cmt: Address race condition for clock events MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit [ Upstream commit db19d3aa77612983a02bd223b3f273f896b243cf ] There is a race condition in the CMT interrupt handler. In the interrupt handler the driver sets a driver private flag, FLAG_IRQCONTEXT. This flag is used to indicate any call to set_next_event() should not be directly propagated to the device, but instead cached. This is done as the interrupt handler itself reprograms the device when needed before it completes and this avoids this operation to take place twice. It is unclear why this design was chosen, my suspicion is to allow the struct clock_event_device.event_handler callback, which is called while the FLAG_IRQCONTEXT is set, can update the next event without having to write to the device twice. Unfortunately there is a race between when the FLAG_IRQCONTEXT flag is set and later cleared where the interrupt handler have already started to write the next event to the device. If set_next_event() is called in this window the value is only cached in the driver but not written. This leads to the board to misbehave, or worse lockup and produce a splat. rcu: INFO: rcu_preempt detected stalls on CPUs/tasks: rcu: 0-...!: (0 ticks this GP) idle=f5e0/0/0x0 softirq=519/519 fqs=0 (false positive?) rcu: (detected by 1, t=6502 jiffies, g=-595, q=77 ncpus=2) Sending NMI from CPU 1 to CPUs 0: NMI backtrace for cpu 0 CPU: 0 PID: 0 Comm: swapper/0 Not tainted 6.10.0-rc5-arm64-renesas-00019-g74a6f86eaf1c-dirty #20 Hardware name: Renesas Salvator-X 2nd version board based on r8a77965 (DT) pstate: 60000005 (nZCv daif -PAN -UAO -TCO -DIT -SSBS BTYPE=--) pc : tick_check_broadcast_expired+0xc/0x40 lr : cpu_idle_poll.isra.0+0x8c/0x168 sp : ffff800081c63d70 x29: ffff800081c63d70 x28: 00000000580000c8 x27: 00000000bfee5610 x26: 0000000000000027 x25: 0000000000000000 x24: 0000000000000000 x23: ffff00007fbb9100 x22: ffff8000818f1008 x21: ffff8000800ef07c x20: ffff800081c79ec0 x19: ffff800081c70c28 x18: 0000000000000000 x17: 0000000000000000 x16: 0000000000000000 x15: 0000ffffc2c717d8 x14: 0000000000000000 x13: ffff000009c18080 x12: ffff8000825f7fc0 x11: 0000000000000000 x10: ffff8000818f3cd4 x9 : 0000000000000028 x8 : ffff800081c79ec0 x7 : ffff800081c73000 x6 : 0000000000000000 x5 : 0000000000000000 x4 : ffff7ffffe286000 x3 : 0000000000000000 x2 : ffff7ffffe286000 x1 : ffff800082972900 x0 : ffff8000818f1008 Call trace: tick_check_broadcast_expired+0xc/0x40 do_idle+0x9c/0x280 cpu_startup_entry+0x34/0x40 kernel_init+0x0/0x11c do_one_initcall+0x0/0x260 __primary_switched+0x80/0x88 rcu: rcu_preempt kthread timer wakeup didn't happen for 6501 jiffies! g-595 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x402 rcu: Possible timer handling issue on cpu=0 timer-softirq=262 rcu: rcu_preempt kthread starved for 6502 jiffies! g-595 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x402 ->cpu=0 rcu: Unless rcu_preempt kthread gets sufficient CPU time, OOM is now expected behavior. rcu: RCU grace-period kthread stack dump: task:rcu_preempt state:I stack:0 pid:15 tgid:15 ppid:2 flags:0x00000008 Call trace: __switch_to+0xbc/0x100 __schedule+0x358/0xbe0 schedule+0x48/0x148 schedule_timeout+0xc4/0x138 rcu_gp_fqs_loop+0x12c/0x764 rcu_gp_kthread+0x208/0x298 kthread+0x10c/0x110 ret_from_fork+0x10/0x20 The design have been part of the driver since it was first merged in early 2009. It becomes increasingly harder to trigger the issue the older kernel version one tries. It only takes a few boots on v6.10-rc5, while hundreds of boots are needed to trigger it on v5.10. Close the race condition by using the CMT channel lock for the two competing sections. The channel lock was added to the driver after its initial design. Signed-off-by: Niklas Söderlund Link: https://lore.kernel.org/r/20240702190230.3825292-1-niklas.soderlund+renesas@ragnatech.se Signed-off-by: Daniel Lezcano Signed-off-by: Sasha Levin --- drivers/clocksource/sh_cmt.c | 13 ++++++++++++- 1 file changed, 12 insertions(+), 1 deletion(-) diff --git a/drivers/clocksource/sh_cmt.c b/drivers/clocksource/sh_cmt.c index 66e4872ab34f..26dbf01d2ec5 100644 --- a/drivers/clocksource/sh_cmt.c +++ b/drivers/clocksource/sh_cmt.c @@ -530,6 +530,7 @@ static void sh_cmt_set_next(struct sh_cmt_channel *ch, unsigned long delta) static irqreturn_t sh_cmt_interrupt(int irq, void *dev_id) { struct sh_cmt_channel *ch = dev_id; + unsigned long flags; /* clear flags */ sh_cmt_write_cmcsr(ch, sh_cmt_read_cmcsr(ch) & @@ -560,6 +561,8 @@ static irqreturn_t sh_cmt_interrupt(int irq, void *dev_id) ch->flags &= ~FLAG_SKIPEVENT; + raw_spin_lock_irqsave(&ch->lock, flags); + if (ch->flags & FLAG_REPROGRAM) { ch->flags &= ~FLAG_REPROGRAM; sh_cmt_clock_event_program_verify(ch, 1); @@ -572,6 +575,8 @@ static irqreturn_t sh_cmt_interrupt(int irq, void *dev_id) ch->flags &= ~FLAG_IRQCONTEXT; + raw_spin_unlock_irqrestore(&ch->lock, flags); + return IRQ_HANDLED; } @@ -770,12 +775,18 @@ static int sh_cmt_clock_event_next(unsigned long delta, struct clock_event_device *ced) { struct sh_cmt_channel *ch = ced_to_sh_cmt(ced); + unsigned long flags; BUG_ON(!clockevent_state_oneshot(ced)); + + raw_spin_lock_irqsave(&ch->lock, flags); + if (likely(ch->flags & FLAG_IRQCONTEXT)) ch->next_match_value = delta - 1; else - sh_cmt_set_next(ch, delta - 1); + __sh_cmt_set_next(ch, delta - 1); + + raw_spin_unlock_irqrestore(&ch->lock, flags); return 0; } From 85d8fe79a3cebeebc807056e108c0e1d1e9f0026 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Thomas=20Wei=C3=9Fschuh?= Date: Sun, 9 Jun 2024 09:27:16 +0200 Subject: [PATCH 253/702] ACPI: battery: create alarm sysfs attribute atomically MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit [ Upstream commit a231eed10ed5a290129fda36ad7bcc263c53ff7d ] Let the power supply core register the attribute. This ensures that the attribute is created before the device is announced to userspace, avoid a race condition. Signed-off-by: Thomas Weißschuh Signed-off-by: Rafael J. Wysocki Signed-off-by: Sasha Levin --- drivers/acpi/battery.c | 16 ++++++++++++---- 1 file changed, 12 insertions(+), 4 deletions(-) diff --git a/drivers/acpi/battery.c b/drivers/acpi/battery.c index 8b43efe97da5..2e1462b8929c 100644 --- a/drivers/acpi/battery.c +++ b/drivers/acpi/battery.c @@ -670,12 +670,18 @@ static ssize_t acpi_battery_alarm_store(struct device *dev, return count; } -static const struct device_attribute alarm_attr = { +static struct device_attribute alarm_attr = { .attr = {.name = "alarm", .mode = 0644}, .show = acpi_battery_alarm_show, .store = acpi_battery_alarm_store, }; +static struct attribute *acpi_battery_attrs[] = { + &alarm_attr.attr, + NULL +}; +ATTRIBUTE_GROUPS(acpi_battery); + /* * The Battery Hooking API * @@ -812,7 +818,10 @@ static void __exit battery_hook_exit(void) static int sysfs_add_battery(struct acpi_battery *battery) { - struct power_supply_config psy_cfg = { .drv_data = battery, }; + struct power_supply_config psy_cfg = { + .drv_data = battery, + .attr_grp = acpi_battery_groups, + }; bool full_cap_broken = false; if (!ACPI_BATTERY_CAPACITY_VALID(battery->full_charge_capacity) && @@ -857,7 +866,7 @@ static int sysfs_add_battery(struct acpi_battery *battery) return result; } battery_hook_add_battery(battery); - return device_create_file(&battery->bat->dev, &alarm_attr); + return 0; } static void sysfs_remove_battery(struct acpi_battery *battery) @@ -868,7 +877,6 @@ static void sysfs_remove_battery(struct acpi_battery *battery) return; } battery_hook_remove_battery(battery); - device_remove_file(&battery->bat->dev, &alarm_attr); power_supply_unregister(battery->bat); battery->bat = NULL; mutex_unlock(&battery->sysfs_lock); From 8e665ccc52623889a811b75671b8f25a0bee3b6f Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Thomas=20Wei=C3=9Fschuh?= Date: Sun, 9 Jun 2024 13:13:28 +0200 Subject: [PATCH 254/702] ACPI: SBS: manage alarm sysfs attribute through psy core MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit [ Upstream commit 6bad28cfc30988a845fb3f59a99f4b8a4ce8fe95 ] Let the power supply core register the attribute. This ensures that the attribute is created before the device is announced to userspace, avoiding a race condition. Signed-off-by: Thomas Weißschuh Signed-off-by: Rafael J. Wysocki Signed-off-by: Sasha Levin --- drivers/acpi/sbs.c | 23 ++++++++++++----------- 1 file changed, 12 insertions(+), 11 deletions(-) diff --git a/drivers/acpi/sbs.c b/drivers/acpi/sbs.c index e6d9f4de2800..54396cb8930a 100644 --- a/drivers/acpi/sbs.c +++ b/drivers/acpi/sbs.c @@ -77,7 +77,6 @@ struct acpi_battery { u16 spec; u8 id; u8 present:1; - u8 have_sysfs_alarm:1; }; #define to_acpi_battery(x) power_supply_get_drvdata(x) @@ -462,12 +461,18 @@ static ssize_t acpi_battery_alarm_store(struct device *dev, return count; } -static const struct device_attribute alarm_attr = { +static struct device_attribute alarm_attr = { .attr = {.name = "alarm", .mode = 0644}, .show = acpi_battery_alarm_show, .store = acpi_battery_alarm_store, }; +static struct attribute *acpi_battery_attrs[] = { + &alarm_attr.attr, + NULL +}; +ATTRIBUTE_GROUPS(acpi_battery); + /* -------------------------------------------------------------------------- Driver Interface -------------------------------------------------------------------------- */ @@ -509,7 +514,10 @@ static int acpi_battery_read(struct acpi_battery *battery) static int acpi_battery_add(struct acpi_sbs *sbs, int id) { struct acpi_battery *battery = &sbs->battery[id]; - struct power_supply_config psy_cfg = { .drv_data = battery, }; + struct power_supply_config psy_cfg = { + .drv_data = battery, + .attr_grp = acpi_battery_groups, + }; int result; battery->id = id; @@ -539,10 +547,6 @@ static int acpi_battery_add(struct acpi_sbs *sbs, int id) goto end; } - result = device_create_file(&battery->bat->dev, &alarm_attr); - if (result) - goto end; - battery->have_sysfs_alarm = 1; end: printk(KERN_INFO PREFIX "%s [%s]: Battery Slot [%s] (battery %s)\n", ACPI_SBS_DEVICE_NAME, acpi_device_bid(sbs->device), @@ -554,11 +558,8 @@ static void acpi_battery_remove(struct acpi_sbs *sbs, int id) { struct acpi_battery *battery = &sbs->battery[id]; - if (battery->bat) { - if (battery->have_sysfs_alarm) - device_remove_file(&battery->bat->dev, &alarm_attr); + if (battery->bat) power_supply_unregister(battery->bat); - } } static int acpi_charger_add(struct acpi_sbs *sbs) From 55985e3aa15a2292d91c794e8839057a32d03cb8 Mon Sep 17 00:00:00 2001 From: Yonghong Song Date: Wed, 5 Jun 2024 13:12:03 -0700 Subject: [PATCH 255/702] selftests/bpf: Fix send_signal test with nested CONFIG_PARAVIRT [ Upstream commit 7015843afcaf68c132784c89528dfddc0005e483 ] Alexei reported that send_signal test may fail with nested CONFIG_PARAVIRT configs. In this particular case, the base VM is AMD with 166 cpus, and I run selftests with regular qemu on top of that and indeed send_signal test failed. I also tried with an Intel box with 80 cpus and there is no issue. The main qemu command line includes: -enable-kvm -smp 16 -cpu host The failure log looks like: $ ./test_progs -t send_signal [ 48.501588] watchdog: BUG: soft lockup - CPU#9 stuck for 26s! [test_progs:2225] [ 48.503622] Modules linked in: bpf_testmod(O) [ 48.503622] CPU: 9 PID: 2225 Comm: test_progs Tainted: G O 6.9.0-08561-g2c1713a8f1c9-dirty #69 [ 48.507629] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.15.0-0-g2dd4b9b3f840-prebuilt.qemu.org 04/01/2014 [ 48.511635] RIP: 0010:handle_softirqs+0x71/0x290 [ 48.511635] Code: [...] 10 0a 00 00 00 31 c0 65 66 89 05 d5 f4 fa 7e fb bb ff ff ff ff <49> c7 c2 cb [ 48.518527] RSP: 0018:ffffc90000310fa0 EFLAGS: 00000246 [ 48.519579] RAX: 0000000000000000 RBX: 00000000ffffffff RCX: 00000000000006e0 [ 48.522526] RDX: 0000000000000006 RSI: ffff88810791ae80 RDI: 0000000000000000 [ 48.523587] RBP: ffffc90000fabc88 R08: 00000005a0af4f7f R09: 0000000000000000 [ 48.525525] R10: 0000000561d2f29c R11: 0000000000006534 R12: 0000000000000280 [ 48.528525] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 48.528525] FS: 00007f2f2885cd00(0000) GS:ffff888237c40000(0000) knlGS:0000000000000000 [ 48.531600] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 48.535520] CR2: 00007f2f287059f0 CR3: 0000000106a28002 CR4: 00000000003706f0 [ 48.537538] Call Trace: [ 48.537538] [ 48.537538] ? watchdog_timer_fn+0x1cd/0x250 [ 48.539590] ? lockup_detector_update_enable+0x50/0x50 [ 48.539590] ? __hrtimer_run_queues+0xff/0x280 [ 48.542520] ? hrtimer_interrupt+0x103/0x230 [ 48.544524] ? __sysvec_apic_timer_interrupt+0x4f/0x140 [ 48.545522] ? sysvec_apic_timer_interrupt+0x3a/0x90 [ 48.547612] ? asm_sysvec_apic_timer_interrupt+0x1a/0x20 [ 48.547612] ? handle_softirqs+0x71/0x290 [ 48.547612] irq_exit_rcu+0x63/0x80 [ 48.551585] sysvec_apic_timer_interrupt+0x75/0x90 [ 48.552521] [ 48.553529] [ 48.553529] asm_sysvec_apic_timer_interrupt+0x1a/0x20 [ 48.555609] RIP: 0010:finish_task_switch.isra.0+0x90/0x260 [ 48.556526] Code: [...] 9f 58 0a 00 00 48 85 db 0f 85 89 01 00 00 4c 89 ff e8 53 d9 bd 00 fb 66 90 <4d> 85 ed 74 [ 48.562524] RSP: 0018:ffffc90000fabd38 EFLAGS: 00000282 [ 48.563589] RAX: 0000000000000000 RBX: 0000000000000000 RCX: ffffffff83385620 [ 48.563589] RDX: ffff888237c73ae4 RSI: 0000000000000000 RDI: ffff888237c6fd00 [ 48.568521] RBP: ffffc90000fabd68 R08: 0000000000000000 R09: 0000000000000000 [ 48.569528] R10: 0000000000000001 R11: 0000000000000000 R12: ffff8881009d0000 [ 48.573525] R13: ffff8881024e5400 R14: ffff88810791ae80 R15: ffff888237c6fd00 [ 48.575614] ? finish_task_switch.isra.0+0x8d/0x260 [ 48.576523] __schedule+0x364/0xac0 [ 48.577535] schedule+0x2e/0x110 [ 48.578555] pipe_read+0x301/0x400 [ 48.579589] ? destroy_sched_domains_rcu+0x30/0x30 [ 48.579589] vfs_read+0x2b3/0x2f0 [ 48.579589] ksys_read+0x8b/0xc0 [ 48.583590] do_syscall_64+0x3d/0xc0 [ 48.583590] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 48.586525] RIP: 0033:0x7f2f28703fa1 [ 48.587592] Code: [...] 00 00 00 0f 1f 44 00 00 f3 0f 1e fa 80 3d c5 23 14 00 00 74 13 31 c0 0f 05 <48> 3d 00 f0 [ 48.593534] RSP: 002b:00007ffd90f8cf88 EFLAGS: 00000246 ORIG_RAX: 0000000000000000 [ 48.595589] RAX: ffffffffffffffda RBX: 00007ffd90f8d5e8 RCX: 00007f2f28703fa1 [ 48.595589] RDX: 0000000000000001 RSI: 00007ffd90f8cfb0 RDI: 0000000000000006 [ 48.599592] RBP: 00007ffd90f8d2f0 R08: 0000000000000064 R09: 0000000000000000 [ 48.602527] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 48.603589] R13: 00007ffd90f8d608 R14: 00007f2f288d8000 R15: 0000000000f6bdb0 [ 48.605527] In the test, two processes are communicating through pipe. Further debugging with strace found that the above splat is triggered as read() syscall could not receive the data even if the corresponding write() syscall in another process successfully wrote data into the pipe. The failed subtest is "send_signal_perf". The corresponding perf event has sample_period 1 and config PERF_COUNT_SW_CPU_CLOCK. sample_period 1 means every overflow event will trigger a call to the BPF program. So I suspect this may overwhelm the system. So I increased the sample_period to 100,000 and the test passed. The sample_period 10,000 still has the test failed. In other parts of selftest, e.g., [1], sample_freq is used instead. So I decided to use sample_freq = 1,000 since the test can pass as well. [1] https://lore.kernel.org/bpf/20240604070700.3032142-1-song@kernel.org/ Reported-by: Alexei Starovoitov Signed-off-by: Yonghong Song Signed-off-by: Daniel Borkmann Link: https://lore.kernel.org/bpf/20240605201203.2603846-1-yonghong.song@linux.dev Signed-off-by: Sasha Levin --- tools/testing/selftests/bpf/prog_tests/send_signal.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/tools/testing/selftests/bpf/prog_tests/send_signal.c b/tools/testing/selftests/bpf/prog_tests/send_signal.c index 75b72c751772..0b6349070824 100644 --- a/tools/testing/selftests/bpf/prog_tests/send_signal.c +++ b/tools/testing/selftests/bpf/prog_tests/send_signal.c @@ -155,7 +155,8 @@ static void test_send_signal_tracepoint(bool signal_thread) static void test_send_signal_perf(bool signal_thread) { struct perf_event_attr attr = { - .sample_period = 1, + .freq = 1, + .sample_freq = 1000, .type = PERF_TYPE_SOFTWARE, .config = PERF_COUNT_SW_CPU_CLOCK, }; From 65b982b9af547040256a73badf02c9ebe08df613 Mon Sep 17 00:00:00 2001 From: FUJITA Tomonori Date: Mon, 24 Jun 2024 08:55:01 +0900 Subject: [PATCH 256/702] PCI: Add Edimax Vendor ID to pci_ids.h [ Upstream commit eee5528890d54b22b46f833002355a5ee94c3bb4 ] Add the Edimax Vendor ID (0x1432) for an ethernet driver for Tehuti Networks TN40xx chips. This ID can be used for Realtek 8180 and Ralink rt28xx wireless drivers. Signed-off-by: FUJITA Tomonori Acked-by: Bjorn Helgaas Link: https://patch.msgid.link/20240623235507.108147-2-fujita.tomonori@gmail.com Signed-off-by: Jakub Kicinski Signed-off-by: Sasha Levin --- include/linux/pci_ids.h | 2 ++ 1 file changed, 2 insertions(+) diff --git a/include/linux/pci_ids.h b/include/linux/pci_ids.h index 80744a7b5e33..b2418bfda4a9 100644 --- a/include/linux/pci_ids.h +++ b/include/linux/pci_ids.h @@ -2137,6 +2137,8 @@ #define PCI_VENDOR_ID_CHELSIO 0x1425 +#define PCI_VENDOR_ID_EDIMAX 0x1432 + #define PCI_VENDOR_ID_ADLINK 0x144a #define PCI_VENDOR_ID_SAMSUNG 0x144d From 934f815345c09c290a9b9a9cfdddc203ec2117e8 Mon Sep 17 00:00:00 2001 From: Roman Smirnov Date: Thu, 20 Jun 2024 10:24:13 +0300 Subject: [PATCH 257/702] udf: prevent integer overflow in udf_bitmap_free_blocks() [ Upstream commit 56e69e59751d20993f243fb7dd6991c4e522424c ] An overflow may occur if the function is called with the last block and an offset greater than zero. It is necessary to add a check to avoid this. Found by Linux Verification Center (linuxtesting.org) with Svace. [JK: Make test cover also unalloc table freeing] Link: https://patch.msgid.link/20240620072413.7448-1-r.smirnov@omp.ru Suggested-by: Jan Kara Signed-off-by: Roman Smirnov Signed-off-by: Jan Kara Signed-off-by: Sasha Levin --- fs/udf/balloc.c | 36 +++++++++++++----------------------- 1 file changed, 13 insertions(+), 23 deletions(-) diff --git a/fs/udf/balloc.c b/fs/udf/balloc.c index c4c18eeacb60..aa73ab1b50a5 100644 --- a/fs/udf/balloc.c +++ b/fs/udf/balloc.c @@ -22,6 +22,7 @@ #include "udfdecl.h" #include +#include #include "udf_i.h" #include "udf_sb.h" @@ -144,7 +145,6 @@ static void udf_bitmap_free_blocks(struct super_block *sb, { struct udf_sb_info *sbi = UDF_SB(sb); struct buffer_head *bh = NULL; - struct udf_part_map *partmap; unsigned long block; unsigned long block_group; unsigned long bit; @@ -153,19 +153,9 @@ static void udf_bitmap_free_blocks(struct super_block *sb, unsigned long overflow; mutex_lock(&sbi->s_alloc_mutex); - partmap = &sbi->s_partmaps[bloc->partitionReferenceNum]; - if (bloc->logicalBlockNum + count < count || - (bloc->logicalBlockNum + count) > partmap->s_partition_len) { - udf_debug("%u < %d || %u + %u > %u\n", - bloc->logicalBlockNum, 0, - bloc->logicalBlockNum, count, - partmap->s_partition_len); - goto error_return; - } - + /* We make sure this cannot overflow when mounting the filesystem */ block = bloc->logicalBlockNum + offset + (sizeof(struct spaceBitmapDesc) << 3); - do { overflow = 0; block_group = block >> (sb->s_blocksize_bits + 3); @@ -395,7 +385,6 @@ static void udf_table_free_blocks(struct super_block *sb, uint32_t count) { struct udf_sb_info *sbi = UDF_SB(sb); - struct udf_part_map *partmap; uint32_t start, end; uint32_t elen; struct kernel_lb_addr eloc; @@ -404,16 +393,6 @@ static void udf_table_free_blocks(struct super_block *sb, struct udf_inode_info *iinfo; mutex_lock(&sbi->s_alloc_mutex); - partmap = &sbi->s_partmaps[bloc->partitionReferenceNum]; - if (bloc->logicalBlockNum + count < count || - (bloc->logicalBlockNum + count) > partmap->s_partition_len) { - udf_debug("%u < %d || %u + %u > %u\n", - bloc->logicalBlockNum, 0, - bloc->logicalBlockNum, count, - partmap->s_partition_len); - goto error_return; - } - iinfo = UDF_I(table); udf_add_free_space(sb, sbi->s_partition, count); @@ -688,6 +667,17 @@ void udf_free_blocks(struct super_block *sb, struct inode *inode, { uint16_t partition = bloc->partitionReferenceNum; struct udf_part_map *map = &UDF_SB(sb)->s_partmaps[partition]; + uint32_t blk; + + if (check_add_overflow(bloc->logicalBlockNum, offset, &blk) || + check_add_overflow(blk, count, &blk) || + bloc->logicalBlockNum + count > map->s_partition_len) { + udf_debug("Invalid request to free blocks: (%d, %u), off %u, " + "len %u, partition len %u\n", + partition, bloc->logicalBlockNum, offset, count, + map->s_partition_len); + return; + } if (map->s_partition_flags & UDF_PART_FLAG_UNALLOC_BITMAP) { udf_bitmap_free_blocks(sb, map->s_uspace.s_bitmap, From 29ce18d7672f0370cfcdee67b0aa940cc27ea26d Mon Sep 17 00:00:00 2001 From: Johannes Berg Date: Thu, 27 Jun 2024 10:44:11 +0200 Subject: [PATCH 258/702] wifi: nl80211: don't give key data to userspace [ Upstream commit a7e5793035792cc46a1a4b0a783655ffa897dfe9 ] When a key is requested by userspace, there's really no need to include the key data, the sequence counter is really what userspace needs in this case. The fact that it's included is just a historic quirk. Remove the key data. Reviewed-by: Miriam Rachel Korenblit Link: https://patch.msgid.link/20240627104411.b6a4f097e4ea.I7e6cc976cb9e8a80ef25a3351330f313373b4578@changeid Signed-off-by: Johannes Berg Signed-off-by: Sasha Levin --- net/wireless/nl80211.c | 10 ++-------- 1 file changed, 2 insertions(+), 8 deletions(-) diff --git a/net/wireless/nl80211.c b/net/wireless/nl80211.c index 846e40dc00bb..f9ad7de710cb 100644 --- a/net/wireless/nl80211.c +++ b/net/wireless/nl80211.c @@ -3968,10 +3968,7 @@ static void get_key_callback(void *c, struct key_params *params) struct nlattr *key; struct get_key_cookie *cookie = c; - if ((params->key && - nla_put(cookie->msg, NL80211_ATTR_KEY_DATA, - params->key_len, params->key)) || - (params->seq && + if ((params->seq && nla_put(cookie->msg, NL80211_ATTR_KEY_SEQ, params->seq_len, params->seq)) || (params->cipher && @@ -3983,10 +3980,7 @@ static void get_key_callback(void *c, struct key_params *params) if (!key) goto nla_put_failure; - if ((params->key && - nla_put(cookie->msg, NL80211_KEY_DATA, - params->key_len, params->key)) || - (params->seq && + if ((params->seq && nla_put(cookie->msg, NL80211_KEY_SEQ, params->seq_len, params->seq)) || (params->cipher && From 1d4e65fa623941a1b176f018053975d7fe24ee6d Mon Sep 17 00:00:00 2001 From: Filipe Manana Date: Wed, 3 Jul 2024 15:40:59 +0100 Subject: [PATCH 259/702] btrfs: fix bitmap leak when loading free space cache on duplicate entry [ Upstream commit 320d8dc612660da84c3b70a28658bb38069e5a9a ] If we failed to link a free space entry because there's already a conflicting entry for the same offset, we free the free space entry but we don't free the associated bitmap that we had just allocated before. Fix that by freeing the bitmap before freeing the entry. Reviewed-by: Johannes Thumshirn Signed-off-by: Filipe Manana Reviewed-by: David Sterba Signed-off-by: David Sterba Signed-off-by: Sasha Levin --- fs/btrfs/free-space-cache.c | 1 + 1 file changed, 1 insertion(+) diff --git a/fs/btrfs/free-space-cache.c b/fs/btrfs/free-space-cache.c index 4989c60b1df9..af52c9e005b3 100644 --- a/fs/btrfs/free-space-cache.c +++ b/fs/btrfs/free-space-cache.c @@ -798,6 +798,7 @@ static int __load_free_space_cache(struct btrfs_root *root, struct inode *inode, spin_unlock(&ctl->tree_lock); btrfs_err(fs_info, "Duplicate entries in free space cache, dumping"); + kmem_cache_free(btrfs_free_space_bitmap_cachep, e->bitmap); kmem_cache_free(btrfs_free_space_cachep, e); goto free_cache; } From d81c1eeb333d84b3012a91c0500189dc1d71e46c Mon Sep 17 00:00:00 2001 From: Ma Jun Date: Sat, 11 May 2024 15:48:02 +0800 Subject: [PATCH 260/702] drm/amdgpu: Fix the null pointer dereference to ras_manager [ Upstream commit 4c11d30c95576937c6c35e6f29884761f2dddb43 ] Check ras_manager before using it Signed-off-by: Ma Jun Reviewed-by: Lijo Lazar Signed-off-by: Alex Deucher Signed-off-by: Sasha Levin --- drivers/gpu/drm/amd/amdgpu/amdgpu_ras.c | 7 +++++-- 1 file changed, 5 insertions(+), 2 deletions(-) diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_ras.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_ras.c index e971d2b9e3c0..56f10679a26d 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_ras.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_ras.c @@ -1351,12 +1351,15 @@ static void amdgpu_ras_interrupt_process_handler(struct work_struct *work) int amdgpu_ras_interrupt_dispatch(struct amdgpu_device *adev, struct ras_dispatch_if *info) { - struct ras_manager *obj = amdgpu_ras_find_obj(adev, &info->head); - struct ras_ih_data *data = &obj->ih_data; + struct ras_manager *obj; + struct ras_ih_data *data; + obj = amdgpu_ras_find_obj(adev, &info->head); if (!obj) return -EINVAL; + data = &obj->ih_data; + if (data->inuse == 0) return 0; From c1749313f35b98e2e655479f037db37f19756622 Mon Sep 17 00:00:00 2001 From: Ma Jun Date: Thu, 9 May 2024 15:51:35 +0800 Subject: [PATCH 261/702] drm/amdgpu/pm: Fix the null pointer dereference in apply_state_adjust_rules [ Upstream commit d19fb10085a49b77578314f69fff21562f7cd054 ] Check the pointer value to fix potential null pointer dereference Acked-by: Yang Wang Signed-off-by: Ma Jun Signed-off-by: Alex Deucher Signed-off-by: Sasha Levin --- .../gpu/drm/amd/pm/powerplay/hwmgr/smu7_hwmgr.c | 7 +++++-- .../gpu/drm/amd/pm/powerplay/hwmgr/smu8_hwmgr.c | 14 ++++++++------ .../gpu/drm/amd/pm/powerplay/hwmgr/vega10_hwmgr.c | 7 +++++-- 3 files changed, 18 insertions(+), 10 deletions(-) diff --git a/drivers/gpu/drm/amd/pm/powerplay/hwmgr/smu7_hwmgr.c b/drivers/gpu/drm/amd/pm/powerplay/hwmgr/smu7_hwmgr.c index 7931528bc864..5e72b7555eda 100644 --- a/drivers/gpu/drm/amd/pm/powerplay/hwmgr/smu7_hwmgr.c +++ b/drivers/gpu/drm/amd/pm/powerplay/hwmgr/smu7_hwmgr.c @@ -2983,8 +2983,7 @@ static int smu7_apply_state_adjust_rules(struct pp_hwmgr *hwmgr, const struct pp_power_state *current_ps) { struct amdgpu_device *adev = hwmgr->adev; - struct smu7_power_state *smu7_ps = - cast_phw_smu7_power_state(&request_ps->hardware); + struct smu7_power_state *smu7_ps; uint32_t sclk; uint32_t mclk; struct PP_Clocks minimum_clocks = {0}; @@ -2998,6 +2997,10 @@ static int smu7_apply_state_adjust_rules(struct pp_hwmgr *hwmgr, int32_t count; int32_t stable_pstate_sclk = 0, stable_pstate_mclk = 0; + smu7_ps = cast_phw_smu7_power_state(&request_ps->hardware); + if (!smu7_ps) + return -EINVAL; + data->battery_state = (PP_StateUILabel_Battery == request_ps->classification.ui_label); diff --git a/drivers/gpu/drm/amd/pm/powerplay/hwmgr/smu8_hwmgr.c b/drivers/gpu/drm/amd/pm/powerplay/hwmgr/smu8_hwmgr.c index 35ed47ebaf09..35d0ff57a596 100644 --- a/drivers/gpu/drm/amd/pm/powerplay/hwmgr/smu8_hwmgr.c +++ b/drivers/gpu/drm/amd/pm/powerplay/hwmgr/smu8_hwmgr.c @@ -1051,16 +1051,18 @@ static int smu8_apply_state_adjust_rules(struct pp_hwmgr *hwmgr, struct pp_power_state *prequest_ps, const struct pp_power_state *pcurrent_ps) { - struct smu8_power_state *smu8_ps = - cast_smu8_power_state(&prequest_ps->hardware); - - const struct smu8_power_state *smu8_current_ps = - cast_const_smu8_power_state(&pcurrent_ps->hardware); - + struct smu8_power_state *smu8_ps; + const struct smu8_power_state *smu8_current_ps; struct smu8_hwmgr *data = hwmgr->backend; struct PP_Clocks clocks = {0, 0, 0, 0}; bool force_high; + smu8_ps = cast_smu8_power_state(&prequest_ps->hardware); + smu8_current_ps = cast_const_smu8_power_state(&pcurrent_ps->hardware); + + if (!smu8_ps || !smu8_current_ps) + return -EINVAL; + smu8_ps->need_dfs_bypass = true; data->battery_state = (PP_StateUILabel_Battery == prequest_ps->classification.ui_label); diff --git a/drivers/gpu/drm/amd/pm/powerplay/hwmgr/vega10_hwmgr.c b/drivers/gpu/drm/amd/pm/powerplay/hwmgr/vega10_hwmgr.c index 4dc27ec4d012..10678b519995 100644 --- a/drivers/gpu/drm/amd/pm/powerplay/hwmgr/vega10_hwmgr.c +++ b/drivers/gpu/drm/amd/pm/powerplay/hwmgr/vega10_hwmgr.c @@ -3232,8 +3232,7 @@ static int vega10_apply_state_adjust_rules(struct pp_hwmgr *hwmgr, const struct pp_power_state *current_ps) { struct amdgpu_device *adev = hwmgr->adev; - struct vega10_power_state *vega10_ps = - cast_phw_vega10_power_state(&request_ps->hardware); + struct vega10_power_state *vega10_ps; uint32_t sclk; uint32_t mclk; struct PP_Clocks minimum_clocks = {0}; @@ -3251,6 +3250,10 @@ static int vega10_apply_state_adjust_rules(struct pp_hwmgr *hwmgr, uint32_t stable_pstate_sclk = 0, stable_pstate_mclk = 0; uint32_t latency; + vega10_ps = cast_phw_vega10_power_state(&request_ps->hardware); + if (!vega10_ps) + return -EINVAL; + data->battery_state = (PP_StateUILabel_Battery == request_ps->classification.ui_label); From de305abd36eba9198021d9e53b53786468b9d4b7 Mon Sep 17 00:00:00 2001 From: Ricardo Ribalda Date: Sat, 23 Mar 2024 10:48:03 +0000 Subject: [PATCH 262/702] media: uvcvideo: Ignore empty TS packets [ Upstream commit 5cd7c25f6f0576073b3d03bc4cfb1e8ca63a1195 ] Some SunplusIT cameras took a borderline interpretation of the UVC 1.5 standard, and fill the PTS and SCR fields with invalid data if the package does not contain data. "STC must be captured when the first video data of a video frame is put on the USB bus." Some SunplusIT devices send, e.g., buffer: 0xa7755c00 len 000012 header:0x8c stc 00000000 sof 0000 pts 00000000 buffer: 0xa7755c00 len 000012 header:0x8c stc 00000000 sof 0000 pts 00000000 buffer: 0xa7755c00 len 000668 header:0x8c stc 73779dba sof 070c pts 7376d37a While the UVC specification meant that the first two packets shouldn't have had the SCR bit set in the header. This borderline/buggy interpretation has been implemented in a variety of devices, from directly SunplusIT and from other OEMs that rebrand SunplusIT products. So quirking based on VID:PID will be problematic. All the affected modules have the following extension unit: VideoControl Interface Descriptor: guidExtensionCode {82066163-7050-ab49-b8cc-b3855e8d221d} But the vendor plans to use that GUID in the future and fix the bug, this means that we should use heuristic to figure out the broken packets. This patch takes care of this. lsusb of one of the affected cameras: Bus 001 Device 003: ID 1bcf:2a01 Sunplus Innovation Technology Inc. Device Descriptor: bLength 18 bDescriptorType 1 bcdUSB 2.01 bDeviceClass 239 Miscellaneous Device bDeviceSubClass 2 ? bDeviceProtocol 1 Interface Association bMaxPacketSize0 64 idVendor 0x1bcf Sunplus Innovation Technology Inc. idProduct 0x2a01 bcdDevice 0.02 iManufacturer 1 SunplusIT Inc iProduct 2 HanChen Wise Camera iSerial 3 01.00.00 bNumConfigurations 1 Tested-by: HungNien Chen Reviewed-by: Sergey Senozhatsky Reviewed-by: Laurent Pinchart Signed-off-by: Ricardo Ribalda Reviewed-by: Tomasz Figa Link: https://lore.kernel.org/r/20240323-resend-hwtimestamp-v10-2-b08e590d97c7@chromium.org Signed-off-by: Laurent Pinchart Signed-off-by: Sasha Levin --- drivers/media/usb/uvc/uvc_video.c | 31 ++++++++++++++++++++++++++++++- 1 file changed, 30 insertions(+), 1 deletion(-) diff --git a/drivers/media/usb/uvc/uvc_video.c b/drivers/media/usb/uvc/uvc_video.c index 03dfe96bceba..9a4c730943a9 100644 --- a/drivers/media/usb/uvc/uvc_video.c +++ b/drivers/media/usb/uvc/uvc_video.c @@ -468,6 +468,7 @@ uvc_video_clock_decode(struct uvc_streaming *stream, struct uvc_buffer *buf, ktime_t time; u16 host_sof; u16 dev_sof; + u32 dev_stc; switch (data[1] & (UVC_STREAM_PTS | UVC_STREAM_SCR)) { case UVC_STREAM_PTS | UVC_STREAM_SCR: @@ -512,6 +513,34 @@ uvc_video_clock_decode(struct uvc_streaming *stream, struct uvc_buffer *buf, if (dev_sof == stream->clock.last_sof) return; + dev_stc = get_unaligned_le32(&data[header_size - 6]); + + /* + * STC (Source Time Clock) is the clock used by the camera. The UVC 1.5 + * standard states that it "must be captured when the first video data + * of a video frame is put on the USB bus". This is generally understood + * as requiring devices to clear the payload header's SCR bit before + * the first packet containing video data. + * + * Most vendors follow that interpretation, but some (namely SunplusIT + * on some devices) always set the `UVC_STREAM_SCR` bit, fill the SCR + * field with 0's,and expect that the driver only processes the SCR if + * there is data in the packet. + * + * Ignore all the hardware timestamp information if we haven't received + * any data for this frame yet, the packet contains no data, and both + * STC and SOF are zero. This heuristics should be safe on compliant + * devices. This should be safe with compliant devices, as in the very + * unlikely case where a UVC 1.1 device would send timing information + * only before the first packet containing data, and both STC and SOF + * happen to be zero for a particular frame, we would only miss one + * clock sample from many and the clock recovery algorithm wouldn't + * suffer from this condition. + */ + if (buf && buf->bytesused == 0 && len == header_size && + dev_stc == 0 && dev_sof == 0) + return; + stream->clock.last_sof = dev_sof; host_sof = usb_get_current_frame_number(stream->dev->udev); @@ -549,7 +578,7 @@ uvc_video_clock_decode(struct uvc_streaming *stream, struct uvc_buffer *buf, spin_lock_irqsave(&stream->clock.lock, flags); sample = &stream->clock.samples[stream->clock.head]; - sample->dev_stc = get_unaligned_le32(&data[header_size - 6]); + sample->dev_stc = dev_stc; sample->dev_sof = dev_sof; sample->host_sof = host_sof; sample->host_time = time; From e48a901ce65fc2f3edca4c90bfe3ab7706a3f6b7 Mon Sep 17 00:00:00 2001 From: Michal Pecio Date: Sun, 14 Apr 2024 19:00:40 +0200 Subject: [PATCH 263/702] media: uvcvideo: Fix the bandwdith quirk on USB 3.x [ Upstream commit 9e3d55fbd160b3ca376599a68b4cddfdc67d4153 ] The bandwidth fixup quirk doesn't know that SuperSpeed exists and has the same 8 service intervals per millisecond as High Speed, hence its calculations are wrong. Assume that all speeds from HS up use 8 intervals per millisecond. No further changes are needed, updated code has been confirmed to work with all speeds from FS to SS. Signed-off-by: Michal Pecio Reviewed-by: Ricardo Ribalda Reviewed-by: Laurent Pinchart Link: https://lore.kernel.org/r/20240414190040.2255a0bc@foxbook Signed-off-by: Laurent Pinchart Signed-off-by: Sasha Levin --- drivers/media/usb/uvc/uvc_video.c | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) diff --git a/drivers/media/usb/uvc/uvc_video.c b/drivers/media/usb/uvc/uvc_video.c index 9a4c730943a9..288f097e2e6f 100644 --- a/drivers/media/usb/uvc/uvc_video.c +++ b/drivers/media/usb/uvc/uvc_video.c @@ -207,13 +207,13 @@ static void uvc_fixup_video_ctrl(struct uvc_streaming *stream, /* Compute a bandwidth estimation by multiplying the frame * size by the number of video frames per second, divide the * result by the number of USB frames (or micro-frames for - * high-speed devices) per second and add the UVC header size - * (assumed to be 12 bytes long). + * high- and super-speed devices) per second and add the UVC + * header size (assumed to be 12 bytes long). */ bandwidth = frame->wWidth * frame->wHeight / 8 * format->bpp; bandwidth *= 10000000 / interval + 1; bandwidth /= 1000; - if (stream->dev->udev->speed == USB_SPEED_HIGH) + if (stream->dev->udev->speed >= USB_SPEED_HIGH) bandwidth /= 8; bandwidth += 12; From 1a6b4240b0b900e451f7f4b44a256b67d7f6cb3f Mon Sep 17 00:00:00 2001 From: Kemeng Shi Date: Tue, 14 May 2024 19:24:30 +0800 Subject: [PATCH 264/702] jbd2: avoid memleak in jbd2_journal_write_metadata_buffer [ Upstream commit cc102aa24638b90e04364d64e4f58a1fa91a1976 ] The new_bh is from alloc_buffer_head, we should call free_buffer_head to free it in error case. Signed-off-by: Kemeng Shi Reviewed-by: Zhang Yi Reviewed-by: Jan Kara Link: https://patch.msgid.link/20240514112438.1269037-2-shikemeng@huaweicloud.com Signed-off-by: Theodore Ts'o Signed-off-by: Sasha Levin --- fs/jbd2/journal.c | 1 + 1 file changed, 1 insertion(+) diff --git a/fs/jbd2/journal.c b/fs/jbd2/journal.c index 4ae4b85ea187..205e6c7c2fd0 100644 --- a/fs/jbd2/journal.c +++ b/fs/jbd2/journal.c @@ -412,6 +412,7 @@ int jbd2_journal_write_metadata_buffer(transaction_t *transaction, tmp = jbd2_alloc(bh_in->b_size, GFP_NOFS); if (!tmp) { brelse(new_bh); + free_buffer_head(new_bh); return -ENOMEM; } spin_lock(&jh_in->b_state_lock); From a3e52a4c22c846858a6875e1c280030a3849e148 Mon Sep 17 00:00:00 2001 From: Peter Oberparleiter Date: Thu, 20 Jun 2024 14:20:27 +0200 Subject: [PATCH 265/702] s390/sclp: Prevent release of buffer in I/O [ Upstream commit bf365071ea92b9579d5a272679b74052a5643e35 ] When a task waiting for completion of a Store Data operation is interrupted, an attempt is made to halt this operation. If this attempt fails due to a hardware or firmware problem, there is a chance that the SCLP facility might store data into buffers referenced by the original operation at a later time. Handle this situation by not releasing the referenced data buffers if the halt attempt fails. For current use cases, this might result in a leak of few pages of memory in case of a rare hardware/firmware malfunction. Reviewed-by: Heiko Carstens Signed-off-by: Peter Oberparleiter Signed-off-by: Alexander Gordeev Signed-off-by: Sasha Levin --- drivers/s390/char/sclp_sd.c | 10 ++++++++-- 1 file changed, 8 insertions(+), 2 deletions(-) diff --git a/drivers/s390/char/sclp_sd.c b/drivers/s390/char/sclp_sd.c index 1e244f78f192..64581433c334 100644 --- a/drivers/s390/char/sclp_sd.c +++ b/drivers/s390/char/sclp_sd.c @@ -319,8 +319,14 @@ static int sclp_sd_store_data(struct sclp_sd_data *result, u8 di) &esize); if (rc) { /* Cancel running request if interrupted */ - if (rc == -ERESTARTSYS) - sclp_sd_sync(page, SD_EQ_HALT, di, 0, 0, NULL, NULL); + if (rc == -ERESTARTSYS) { + if (sclp_sd_sync(page, SD_EQ_HALT, di, 0, 0, NULL, NULL)) { + pr_warn("Could not stop Store Data request - leaking at least %zu bytes\n", + (size_t)dsize * PAGE_SIZE); + data = NULL; + asce = 0; + } + } vfree(data); goto out; } From 3b2b169fadd89c5f3ab8abf94e0dda83d84026db Mon Sep 17 00:00:00 2001 From: Benjamin Coddington Date: Wed, 17 Jul 2024 10:49:33 -0400 Subject: [PATCH 266/702] SUNRPC: Fix a race to wake a sync task [ Upstream commit ed0172af5d6fc07d1b40ca82f5ca3979300369f7 ] We've observed NFS clients with sync tasks sleeping in __rpc_execute waiting on RPC_TASK_QUEUED that have not responded to a wake-up from rpc_make_runnable(). I suspect this problem usually goes unnoticed, because on a busy client the task will eventually be re-awoken by another task completion or xprt event. However, if the state manager is draining the slot table, a sync task missing a wake-up can result in a hung client. We've been able to prove that the waker in rpc_make_runnable() successfully calls wake_up_bit() (ie- there's no race to tk_runstate), but the wake_up_bit() call fails to wake the waiter. I suspect the waker is missing the load of the bit's wait_queue_head, so waitqueue_active() is false. There are some very helpful comments about this problem above wake_up_bit(), prepare_to_wait(), and waitqueue_active(). Fix this by inserting smp_mb__after_atomic() before the wake_up_bit(), which pairs with prepare_to_wait() calling set_current_state(). Signed-off-by: Benjamin Coddington Reviewed-by: Jeff Layton Signed-off-by: Anna Schumaker Signed-off-by: Sasha Levin --- net/sunrpc/sched.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/net/sunrpc/sched.c b/net/sunrpc/sched.c index a4c9d410eb8d..f4b1b7fee2c0 100644 --- a/net/sunrpc/sched.c +++ b/net/sunrpc/sched.c @@ -348,8 +348,10 @@ static void rpc_make_runnable(struct workqueue_struct *wq, if (RPC_IS_ASYNC(task)) { INIT_WORK(&task->u.tk_work, rpc_async_schedule); queue_work(wq, &task->u.tk_work); - } else + } else { + smp_mb__after_atomic(); wake_up_bit(&task->tk_runstate, RPC_TASK_QUEUED); + } } /* From 1d21d4175054413d7fc8eefbd071c2b133c2afe5 Mon Sep 17 00:00:00 2001 From: Zheng Zucheng Date: Fri, 26 Jul 2024 02:32:35 +0000 Subject: [PATCH 267/702] sched/cputime: Fix mul_u64_u64_div_u64() precision for cputime commit 77baa5bafcbe1b2a15ef9c37232c21279c95481c upstream. In extreme test scenarios: the 14th field utime in /proc/xx/stat is greater than sum_exec_runtime, utime = 18446744073709518790 ns, rtime = 135989749728000 ns In cputime_adjust() process, stime is greater than rtime due to mul_u64_u64_div_u64() precision problem. before call mul_u64_u64_div_u64(), stime = 175136586720000, rtime = 135989749728000, utime = 1416780000. after call mul_u64_u64_div_u64(), stime = 135989949653530 unsigned reversion occurs because rtime is less than stime. utime = rtime - stime = 135989749728000 - 135989949653530 = -199925530 = (u64)18446744073709518790 Trigger condition: 1). User task run in kernel mode most of time 2). ARM64 architecture 3). TICK_CPU_ACCOUNTING=y CONFIG_VIRT_CPU_ACCOUNTING_NATIVE is not set Fix mul_u64_u64_div_u64() conversion precision by reset stime to rtime Fixes: 3dc167ba5729 ("sched/cputime: Improve cputime_adjust()") Signed-off-by: Zheng Zucheng Signed-off-by: Peter Zijlstra (Intel) Cc: Link: https://lkml.kernel.org/r/20240726023235.217771-1-zhengzucheng@huawei.com Signed-off-by: Greg Kroah-Hartman --- kernel/sched/cputime.c | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/kernel/sched/cputime.c b/kernel/sched/cputime.c index ca0eef7d3852..f03b3af2fb79 100644 --- a/kernel/sched/cputime.c +++ b/kernel/sched/cputime.c @@ -579,6 +579,12 @@ void cputime_adjust(struct task_cputime *curr, struct prev_cputime *prev, } stime = mul_u64_u64_div_u64(stime, rtime, stime + utime); + /* + * Because mul_u64_u64_div_u64() can approximate on some + * achitectures; enforce the constraint that: a*b/(b+c) <= a. + */ + if (unlikely(stime > rtime)) + stime = rtime; update: /* From 69299a4282a3ed5b5a2db72bec8447581ce3270a Mon Sep 17 00:00:00 2001 From: Kemeng Shi Date: Sat, 3 Jun 2023 23:03:11 +0800 Subject: [PATCH 268/702] ext4: fix wrong unit use in ext4_mb_find_by_goal [ Upstream commit 99c515e3a860576ba90c11acbc1d6488dfca6463 ] We need start in block unit while fe_start is in cluster unit. Use ext4_grp_offs_to_block helper to convert fe_start to get start in block unit. Signed-off-by: Kemeng Shi Reviewed-by: Ojaswin Mujoo Link: https://lore.kernel.org/r/20230603150327.3596033-4-shikemeng@huaweicloud.com Signed-off-by: Theodore Ts'o Signed-off-by: Sasha Levin --- fs/ext4/mballoc.c | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-) diff --git a/fs/ext4/mballoc.c b/fs/ext4/mballoc.c index 87378d08a414..bc5db22df9fe 100644 --- a/fs/ext4/mballoc.c +++ b/fs/ext4/mballoc.c @@ -1927,8 +1927,7 @@ int ext4_mb_find_by_goal(struct ext4_allocation_context *ac, if (max >= ac->ac_g_ex.fe_len && ac->ac_g_ex.fe_len == sbi->s_stripe) { ext4_fsblk_t start; - start = ext4_group_first_block_no(ac->ac_sb, e4b->bd_group) + - ex.fe_start; + start = ext4_grp_offs_to_block(ac->ac_sb, &ex); /* use do_div to get remainder (would be 64-bit modulo) */ if (do_div(start, sbi->s_stripe) == 0) { ac->ac_found++; From 5b9ae6bb33601677ed7e07da5c40e042b400e3f9 Mon Sep 17 00:00:00 2001 From: James Morse Date: Fri, 9 Aug 2024 11:17:27 +0100 Subject: [PATCH 269/702] arm64: cpufeature: Force HWCAP to be based on the sysreg visible to user-space [ Upstream commit 237405ebef580a7352a52129b2465c117145eafa ] arm64 advertises hardware features to user-space via HWCAPs, and by emulating access to the CPUs id registers. The cpufeature code has a sanitised system-wide view of an id register, and a sanitised user-space view of an id register, where some features use their 'safe' value instead of the hardware value. It is currently possible for a HWCAP to be advertised where the user-space view of the id register does not show the feature as supported. Erratum workaround need to remove both the HWCAP, and the feature from the user-space view of the id register. This involves duplicating the code, and spreading it over cpufeature.c and cpu_errata.c. Make the HWCAP code use the user-space view of id registers. This ensures the values never diverge, and allows erratum workaround to remove HWCAP by modifying the user-space view of the id register. Signed-off-by: James Morse Reviewed-by: Suzuki K Poulose Link: https://lore.kernel.org/r/20220909165938.3931307-2-james.morse@arm.com Signed-off-by: Catalin Marinas [ Mark: fixup lack of 'width' parameter ] Signed-off-by: Mark Rutland Signed-off-by: Sasha Levin --- arch/arm64/kernel/cpufeature.c | 40 ++++++++++++++++++++++++++-------- 1 file changed, 31 insertions(+), 9 deletions(-) diff --git a/arch/arm64/kernel/cpufeature.c b/arch/arm64/kernel/cpufeature.c index 1f0a2deafd64..11a42fcf94bf 100644 --- a/arch/arm64/kernel/cpufeature.c +++ b/arch/arm64/kernel/cpufeature.c @@ -1196,17 +1196,39 @@ feature_matches(u64 reg, const struct arm64_cpu_capabilities *entry) return val >= entry->min_field_value; } +static u64 +read_scoped_sysreg(const struct arm64_cpu_capabilities *entry, int scope) +{ + WARN_ON(scope == SCOPE_LOCAL_CPU && preemptible()); + if (scope == SCOPE_SYSTEM) + return read_sanitised_ftr_reg(entry->sys_reg); + else + return __read_sysreg_by_encoding(entry->sys_reg); +} + +static bool +has_user_cpuid_feature(const struct arm64_cpu_capabilities *entry, int scope) +{ + int mask; + struct arm64_ftr_reg *regp; + u64 val = read_scoped_sysreg(entry, scope); + + regp = get_arm64_ftr_reg(entry->sys_reg); + if (!regp) + return false; + + mask = cpuid_feature_extract_unsigned_field(regp->user_mask, + entry->field_pos); + if (!mask) + return false; + + return feature_matches(val, entry); +} + static bool has_cpuid_feature(const struct arm64_cpu_capabilities *entry, int scope) { - u64 val; - - WARN_ON(scope == SCOPE_LOCAL_CPU && preemptible()); - if (scope == SCOPE_SYSTEM) - val = read_sanitised_ftr_reg(entry->sys_reg); - else - val = __read_sysreg_by_encoding(entry->sys_reg); - + u64 val = read_scoped_sysreg(entry, scope); return feature_matches(val, entry); } @@ -2172,7 +2194,7 @@ static const struct arm64_cpu_capabilities arm64_features[] = { }; #define HWCAP_CPUID_MATCH(reg, field, s, min_value) \ - .matches = has_cpuid_feature, \ + .matches = has_user_cpuid_feature, \ .sys_reg = reg, \ .field_pos = field, \ .sign = s, \ From 55920e407a7ee0acb50c6c7b97f584abe3d18e33 Mon Sep 17 00:00:00 2001 From: Besar Wicaksono Date: Fri, 9 Aug 2024 11:17:28 +0100 Subject: [PATCH 270/702] arm64: Add Neoverse-V2 part [ Upstream commit f4d9d9dcc70b96b5e5d7801bd5fbf8491b07b13d ] Add the part number and MIDR for Neoverse-V2 Signed-off-by: Besar Wicaksono Reviewed-by: James Clark Link: https://lore.kernel.org/r/20240109192310.16234-2-bwicaksono@nvidia.com Signed-off-by: Will Deacon [ Mark: trivial backport ] Signed-off-by: Mark Rutland Signed-off-by: Sasha Levin --- arch/arm64/include/asm/cputype.h | 2 ++ 1 file changed, 2 insertions(+) diff --git a/arch/arm64/include/asm/cputype.h b/arch/arm64/include/asm/cputype.h index c2a1ccd5fd46..b772159a84b9 100644 --- a/arch/arm64/include/asm/cputype.h +++ b/arch/arm64/include/asm/cputype.h @@ -84,6 +84,7 @@ #define ARM_CPU_PART_CORTEX_X2 0xD48 #define ARM_CPU_PART_NEOVERSE_N2 0xD49 #define ARM_CPU_PART_CORTEX_A78C 0xD4B +#define ARM_CPU_PART_NEOVERSE_V2 0xD4F #define APM_CPU_PART_POTENZA 0x000 @@ -136,6 +137,7 @@ #define MIDR_CORTEX_X2 MIDR_CPU_MODEL(ARM_CPU_IMP_ARM, ARM_CPU_PART_CORTEX_X2) #define MIDR_NEOVERSE_N2 MIDR_CPU_MODEL(ARM_CPU_IMP_ARM, ARM_CPU_PART_NEOVERSE_N2) #define MIDR_CORTEX_A78C MIDR_CPU_MODEL(ARM_CPU_IMP_ARM, ARM_CPU_PART_CORTEX_A78C) +#define MIDR_NEOVERSE_V2 MIDR_CPU_MODEL(ARM_CPU_IMP_ARM, ARM_CPU_PART_NEOVERSE_V2) #define MIDR_THUNDERX MIDR_CPU_MODEL(ARM_CPU_IMP_CAVIUM, CAVIUM_CPU_PART_THUNDERX) #define MIDR_THUNDERX_81XX MIDR_CPU_MODEL(ARM_CPU_IMP_CAVIUM, CAVIUM_CPU_PART_THUNDERX_81XX) #define MIDR_THUNDERX_83XX MIDR_CPU_MODEL(ARM_CPU_IMP_CAVIUM, CAVIUM_CPU_PART_THUNDERX_83XX) From c46b7570c9d515ea8a0f18c902f1d99a3ac8b570 Mon Sep 17 00:00:00 2001 From: Mark Rutland Date: Fri, 9 Aug 2024 11:17:29 +0100 Subject: [PATCH 271/702] arm64: cputype: Add Cortex-X4 definitions [ Upstream commit 02a0a04676fa7796d9cbc9eb5ca120aaa194d2dd ] Add cputype definitions for Cortex-X4. These will be used for errata detection in subsequent patches. These values can be found in Table B-249 ("MIDR_EL1 bit descriptions") in issue 0002-05 of the Cortex-X4 TRM, which can be found at: https://developer.arm.com/documentation/102484/0002/?lang=en Signed-off-by: Mark Rutland Cc: Catalin Marinas Cc: James Morse Cc: Will Deacon Link: https://lore.kernel.org/r/20240508081400.235362-3-mark.rutland@arm.com Signed-off-by: Will Deacon [ Mark: fix conflict (dealt with upstream via a later merge) ] Signed-off-by: Mark Rutland Signed-off-by: Sasha Levin --- arch/arm64/include/asm/cputype.h | 2 ++ 1 file changed, 2 insertions(+) diff --git a/arch/arm64/include/asm/cputype.h b/arch/arm64/include/asm/cputype.h index b772159a84b9..a6d1276751dc 100644 --- a/arch/arm64/include/asm/cputype.h +++ b/arch/arm64/include/asm/cputype.h @@ -85,6 +85,7 @@ #define ARM_CPU_PART_NEOVERSE_N2 0xD49 #define ARM_CPU_PART_CORTEX_A78C 0xD4B #define ARM_CPU_PART_NEOVERSE_V2 0xD4F +#define ARM_CPU_PART_CORTEX_X4 0xD82 #define APM_CPU_PART_POTENZA 0x000 @@ -138,6 +139,7 @@ #define MIDR_NEOVERSE_N2 MIDR_CPU_MODEL(ARM_CPU_IMP_ARM, ARM_CPU_PART_NEOVERSE_N2) #define MIDR_CORTEX_A78C MIDR_CPU_MODEL(ARM_CPU_IMP_ARM, ARM_CPU_PART_CORTEX_A78C) #define MIDR_NEOVERSE_V2 MIDR_CPU_MODEL(ARM_CPU_IMP_ARM, ARM_CPU_PART_NEOVERSE_V2) +#define MIDR_CORTEX_X4 MIDR_CPU_MODEL(ARM_CPU_IMP_ARM, ARM_CPU_PART_CORTEX_X4) #define MIDR_THUNDERX MIDR_CPU_MODEL(ARM_CPU_IMP_CAVIUM, CAVIUM_CPU_PART_THUNDERX) #define MIDR_THUNDERX_81XX MIDR_CPU_MODEL(ARM_CPU_IMP_CAVIUM, CAVIUM_CPU_PART_THUNDERX_81XX) #define MIDR_THUNDERX_83XX MIDR_CPU_MODEL(ARM_CPU_IMP_CAVIUM, CAVIUM_CPU_PART_THUNDERX_83XX) From d8029a49c8af1792c4565baf0c3624f39c54ddfc Mon Sep 17 00:00:00 2001 From: Mark Rutland Date: Fri, 9 Aug 2024 11:17:30 +0100 Subject: [PATCH 272/702] arm64: cputype: Add Neoverse-V3 definitions [ Upstream commit 0ce85db6c2141b7ffb95709d76fc55a27ff3cdc1 ] Add cputype definitions for Neoverse-V3. These will be used for errata detection in subsequent patches. These values can be found in Table B-249 ("MIDR_EL1 bit descriptions") in issue 0001-04 of the Neoverse-V3 TRM, which can be found at: https://developer.arm.com/documentation/107734/0001/?lang=en Signed-off-by: Mark Rutland Cc: Catalin Marinas Cc: James Morse Cc: Will Deacon Link: https://lore.kernel.org/r/20240508081400.235362-4-mark.rutland@arm.com Signed-off-by: Will Deacon [ Mark: trivial backport ] Signed-off-by: Mark Rutland Signed-off-by: Sasha Levin --- arch/arm64/include/asm/cputype.h | 2 ++ 1 file changed, 2 insertions(+) diff --git a/arch/arm64/include/asm/cputype.h b/arch/arm64/include/asm/cputype.h index a6d1276751dc..b2887995e575 100644 --- a/arch/arm64/include/asm/cputype.h +++ b/arch/arm64/include/asm/cputype.h @@ -86,6 +86,7 @@ #define ARM_CPU_PART_CORTEX_A78C 0xD4B #define ARM_CPU_PART_NEOVERSE_V2 0xD4F #define ARM_CPU_PART_CORTEX_X4 0xD82 +#define ARM_CPU_PART_NEOVERSE_V3 0xD84 #define APM_CPU_PART_POTENZA 0x000 @@ -140,6 +141,7 @@ #define MIDR_CORTEX_A78C MIDR_CPU_MODEL(ARM_CPU_IMP_ARM, ARM_CPU_PART_CORTEX_A78C) #define MIDR_NEOVERSE_V2 MIDR_CPU_MODEL(ARM_CPU_IMP_ARM, ARM_CPU_PART_NEOVERSE_V2) #define MIDR_CORTEX_X4 MIDR_CPU_MODEL(ARM_CPU_IMP_ARM, ARM_CPU_PART_CORTEX_X4) +#define MIDR_NEOVERSE_V3 MIDR_CPU_MODEL(ARM_CPU_IMP_ARM, ARM_CPU_PART_NEOVERSE_V3) #define MIDR_THUNDERX MIDR_CPU_MODEL(ARM_CPU_IMP_CAVIUM, CAVIUM_CPU_PART_THUNDERX) #define MIDR_THUNDERX_81XX MIDR_CPU_MODEL(ARM_CPU_IMP_CAVIUM, CAVIUM_CPU_PART_THUNDERX_81XX) #define MIDR_THUNDERX_83XX MIDR_CPU_MODEL(ARM_CPU_IMP_CAVIUM, CAVIUM_CPU_PART_THUNDERX_83XX) From 9f7ba007824900638f6cc1367d7c063a07fae93f Mon Sep 17 00:00:00 2001 From: Mark Rutland Date: Fri, 9 Aug 2024 11:17:31 +0100 Subject: [PATCH 273/702] arm64: errata: Add workaround for Arm errata 3194386 and 3312417 [ Upstream commit 7187bb7d0b5c7dfa18ca82e9e5c75e13861b1d88 ] Cortex-X4 and Neoverse-V3 suffer from errata whereby an MSR to the SSBS special-purpose register does not affect subsequent speculative instructions, permitting speculative store bypassing for a window of time. This is described in their Software Developer Errata Notice (SDEN) documents: * Cortex-X4 SDEN v8.0, erratum 3194386: https://developer.arm.com/documentation/SDEN-2432808/0800/ * Neoverse-V3 SDEN v6.0, erratum 3312417: https://developer.arm.com/documentation/SDEN-2891958/0600/ To workaround these errata, it is necessary to place a speculation barrier (SB) after MSR to the SSBS special-purpose register. This patch adds the requisite SB after writes to SSBS within the kernel, and hides the presence of SSBS from EL0 such that userspace software which cares about SSBS will manipulate this via prctl(PR_GET_SPECULATION_CTRL, ...). Signed-off-by: Mark Rutland Cc: Catalin Marinas Cc: James Morse Cc: Will Deacon Link: https://lore.kernel.org/r/20240508081400.235362-5-mark.rutland@arm.com Signed-off-by: Will Deacon [ Mark: fix conflicts & renames, drop unneeded cpucaps.h, fold in user_feature_fixup() ] Signed-off-by: Mark Rutland Signed-off-by: Sasha Levin --- Documentation/arm64/silicon-errata.rst | 4 +++ arch/arm64/Kconfig | 41 ++++++++++++++++++++++++++ arch/arm64/include/asm/cpucaps.h | 3 +- arch/arm64/kernel/cpu_errata.c | 19 ++++++++++++ arch/arm64/kernel/cpufeature.c | 12 ++++++++ arch/arm64/kernel/proton-pack.c | 12 ++++++++ 6 files changed, 90 insertions(+), 1 deletion(-) diff --git a/Documentation/arm64/silicon-errata.rst b/Documentation/arm64/silicon-errata.rst index 10a26d44ef4a..0ecb714b2c42 100644 --- a/Documentation/arm64/silicon-errata.rst +++ b/Documentation/arm64/silicon-errata.rst @@ -98,12 +98,16 @@ stable kernels. +----------------+-----------------+-----------------+-----------------------------+ | ARM | Cortex-A510 | #2457168 | ARM64_ERRATUM_2457168 | +----------------+-----------------+-----------------+-----------------------------+ +| ARM | Cortex-X4 | #3194386 | ARM64_ERRATUM_3194386 | ++----------------+-----------------+-----------------+-----------------------------+ | ARM | Neoverse-N1 | #1188873,1418040| ARM64_ERRATUM_1418040 | +----------------+-----------------+-----------------+-----------------------------+ | ARM | Neoverse-N1 | #1349291 | N/A | +----------------+-----------------+-----------------+-----------------------------+ | ARM | Neoverse-N1 | #1542419 | ARM64_ERRATUM_1542419 | +----------------+-----------------+-----------------+-----------------------------+ +| ARM | Neoverse-V3 | #3312417 | ARM64_ERRATUM_3312417 | ++----------------+-----------------+-----------------+-----------------------------+ | ARM | MMU-500 | #841119,826419 | N/A | +----------------+-----------------+-----------------+-----------------------------+ +----------------+-----------------+-----------------+-----------------------------+ diff --git a/arch/arm64/Kconfig b/arch/arm64/Kconfig index 13cf137da999..0d59e8ab27c8 100644 --- a/arch/arm64/Kconfig +++ b/arch/arm64/Kconfig @@ -691,6 +691,47 @@ config ARM64_ERRATUM_2457168 If unsure, say Y. +config ARM64_WORKAROUND_SPECULATIVE_SSBS + bool + +config ARM64_ERRATUM_3194386 + bool "Cortex-X4: 3194386: workaround for MSR SSBS not self-synchronizing" + select ARM64_WORKAROUND_SPECULATIVE_SSBS + default y + help + This option adds the workaround for ARM Cortex-X4 erratum 3194386. + + On affected cores "MSR SSBS, #0" instructions may not affect + subsequent speculative instructions, which may permit unexepected + speculative store bypassing. + + Work around this problem by placing a speculation barrier after + kernel changes to SSBS. The presence of the SSBS special-purpose + register is hidden from hwcaps and EL0 reads of ID_AA64PFR1_EL1, such + that userspace will use the PR_SPEC_STORE_BYPASS prctl to change + SSBS. + + If unsure, say Y. + +config ARM64_ERRATUM_3312417 + bool "Neoverse-V3: 3312417: workaround for MSR SSBS not self-synchronizing" + select ARM64_WORKAROUND_SPECULATIVE_SSBS + default y + help + This option adds the workaround for ARM Neoverse-V3 erratum 3312417. + + On affected cores "MSR SSBS, #0" instructions may not affect + subsequent speculative instructions, which may permit unexepected + speculative store bypassing. + + Work around this problem by placing a speculation barrier after + kernel changes to SSBS. The presence of the SSBS special-purpose + register is hidden from hwcaps and EL0 reads of ID_AA64PFR1_EL1, such + that userspace will use the PR_SPEC_STORE_BYPASS prctl to change + SSBS. + + If unsure, say Y. + config CAVIUM_ERRATUM_22375 bool "Cavium erratum 22375, 24313" default y diff --git a/arch/arm64/include/asm/cpucaps.h b/arch/arm64/include/asm/cpucaps.h index d2080a41f6e6..931c88182fb8 100644 --- a/arch/arm64/include/asm/cpucaps.h +++ b/arch/arm64/include/asm/cpucaps.h @@ -69,7 +69,8 @@ #define ARM64_SPECTRE_BHB 59 #define ARM64_WORKAROUND_2457168 60 #define ARM64_WORKAROUND_1742098 61 +#define ARM64_WORKAROUND_SPECULATIVE_SSBS 62 -#define ARM64_NCAPS 62 +#define ARM64_NCAPS 63 #endif /* __ASM_CPUCAPS_H */ diff --git a/arch/arm64/kernel/cpu_errata.c b/arch/arm64/kernel/cpu_errata.c index 5d6f19bc628c..3eabd809aee4 100644 --- a/arch/arm64/kernel/cpu_errata.c +++ b/arch/arm64/kernel/cpu_errata.c @@ -364,6 +364,18 @@ static struct midr_range broken_aarch32_aes[] = { }; #endif +#ifdef CONFIG_ARM64_WORKAROUND_SPECULATIVE_SSBS +static const struct midr_range erratum_spec_ssbs_list[] = { +#ifdef CONFIG_ARM64_ERRATUM_3194386 + MIDR_ALL_VERSIONS(MIDR_CORTEX_X4), +#endif +#ifdef CONFIG_ARM64_ERRATUM_3312417 + MIDR_ALL_VERSIONS(MIDR_NEOVERSE_V3), +#endif + {} +}; +#endif + const struct arm64_cpu_capabilities arm64_errata[] = { #ifdef CONFIG_ARM64_WORKAROUND_CLEAN_CACHE { @@ -570,6 +582,13 @@ const struct arm64_cpu_capabilities arm64_errata[] = { CAP_MIDR_RANGE_LIST(broken_aarch32_aes), .type = ARM64_CPUCAP_LOCAL_CPU_ERRATUM, }, +#endif +#ifdef CONFIG_ARM64_WORKAROUND_SPECULATIVE_SSBS + { + .desc = "ARM errata 3194386, 3312417", + .capability = ARM64_WORKAROUND_SPECULATIVE_SSBS, + ERRATA_MIDR_RANGE_LIST(erratum_spec_ssbs_list), + }, #endif { } diff --git a/arch/arm64/kernel/cpufeature.c b/arch/arm64/kernel/cpufeature.c index 11a42fcf94bf..dc92fd590f2f 100644 --- a/arch/arm64/kernel/cpufeature.c +++ b/arch/arm64/kernel/cpufeature.c @@ -1753,6 +1753,17 @@ static void cpu_enable_mte(struct arm64_cpu_capabilities const *cap) } #endif /* CONFIG_ARM64_MTE */ +static void user_feature_fixup(void) +{ + if (cpus_have_cap(ARM64_WORKAROUND_SPECULATIVE_SSBS)) { + struct arm64_ftr_reg *regp; + + regp = get_arm64_ftr_reg(SYS_ID_AA64PFR1_EL1); + if (regp) + regp->user_mask &= ~GENMASK(7, 4); /* SSBS */ + } +} + static void elf_hwcap_fixup(void) { #ifdef CONFIG_ARM64_ERRATUM_1742098 @@ -2764,6 +2775,7 @@ void __init setup_cpu_features(void) u32 cwg; setup_system_capabilities(); + user_feature_fixup(); setup_elf_hwcaps(arm64_elf_hwcaps); if (system_supports_32bit_el0()) { diff --git a/arch/arm64/kernel/proton-pack.c b/arch/arm64/kernel/proton-pack.c index 9c0e9d9eed6e..b40310e0bdb9 100644 --- a/arch/arm64/kernel/proton-pack.c +++ b/arch/arm64/kernel/proton-pack.c @@ -574,6 +574,18 @@ static enum mitigation_state spectre_v4_enable_hw_mitigation(void) /* SCTLR_EL1.DSSBS was initialised to 0 during boot */ asm volatile(SET_PSTATE_SSBS(0)); + + /* + * SSBS is self-synchronizing and is intended to affect subsequent + * speculative instructions, but some CPUs can speculate with a stale + * value of SSBS. + * + * Mitigate this with an unconditional speculation barrier, as CPUs + * could mis-speculate branches and bypass a conditional barrier. + */ + if (IS_ENABLED(CONFIG_ARM64_WORKAROUND_SPECULATIVE_SSBS)) + spec_bar(); + return SPECTRE_MITIGATED; } From b8d683f5b5386d0d5736cf31fc42d3fa0001da63 Mon Sep 17 00:00:00 2001 From: Mark Rutland Date: Fri, 9 Aug 2024 11:17:32 +0100 Subject: [PATCH 274/702] arm64: cputype: Add Cortex-X3 definitions [ Upstream commit be5a6f238700f38b534456608588723fba96c5ab ] Add cputype definitions for Cortex-X3. These will be used for errata detection in subsequent patches. These values can be found in Table A-263 ("MIDR_EL1 bit descriptions") in issue 07 of the Cortex-X3 TRM, which can be found at: https://developer.arm.com/documentation/101593/0102/?lang=en Signed-off-by: Mark Rutland Cc: James Morse Cc: Will Deacon Link: https://lore.kernel.org/r/20240603111812.1514101-2-mark.rutland@arm.com Signed-off-by: Catalin Marinas [ Mark: trivial backport ] Signed-off-by: Mark Rutland Signed-off-by: Sasha Levin --- arch/arm64/include/asm/cputype.h | 2 ++ 1 file changed, 2 insertions(+) diff --git a/arch/arm64/include/asm/cputype.h b/arch/arm64/include/asm/cputype.h index b2887995e575..e8ceddaba7a0 100644 --- a/arch/arm64/include/asm/cputype.h +++ b/arch/arm64/include/asm/cputype.h @@ -84,6 +84,7 @@ #define ARM_CPU_PART_CORTEX_X2 0xD48 #define ARM_CPU_PART_NEOVERSE_N2 0xD49 #define ARM_CPU_PART_CORTEX_A78C 0xD4B +#define ARM_CPU_PART_CORTEX_X3 0xD4E #define ARM_CPU_PART_NEOVERSE_V2 0xD4F #define ARM_CPU_PART_CORTEX_X4 0xD82 #define ARM_CPU_PART_NEOVERSE_V3 0xD84 @@ -139,6 +140,7 @@ #define MIDR_CORTEX_X2 MIDR_CPU_MODEL(ARM_CPU_IMP_ARM, ARM_CPU_PART_CORTEX_X2) #define MIDR_NEOVERSE_N2 MIDR_CPU_MODEL(ARM_CPU_IMP_ARM, ARM_CPU_PART_NEOVERSE_N2) #define MIDR_CORTEX_A78C MIDR_CPU_MODEL(ARM_CPU_IMP_ARM, ARM_CPU_PART_CORTEX_A78C) +#define MIDR_CORTEX_X3 MIDR_CPU_MODEL(ARM_CPU_IMP_ARM, ARM_CPU_PART_CORTEX_X3) #define MIDR_NEOVERSE_V2 MIDR_CPU_MODEL(ARM_CPU_IMP_ARM, ARM_CPU_PART_NEOVERSE_V2) #define MIDR_CORTEX_X4 MIDR_CPU_MODEL(ARM_CPU_IMP_ARM, ARM_CPU_PART_CORTEX_X4) #define MIDR_NEOVERSE_V3 MIDR_CPU_MODEL(ARM_CPU_IMP_ARM, ARM_CPU_PART_NEOVERSE_V3) From 77741cdc254d58e40c2e99fb60fbbad15a97f533 Mon Sep 17 00:00:00 2001 From: Mark Rutland Date: Fri, 9 Aug 2024 11:17:33 +0100 Subject: [PATCH 275/702] arm64: cputype: Add Cortex-A720 definitions [ Upstream commit add332c40328cf06fe35e4b3cde8ec315c4629e5 ] Add cputype definitions for Cortex-A720. These will be used for errata detection in subsequent patches. These values can be found in Table A-186 ("MIDR_EL1 bit descriptions") in issue 0002-05 of the Cortex-A720 TRM, which can be found at: https://developer.arm.com/documentation/102530/0002/?lang=en Signed-off-by: Mark Rutland Cc: James Morse Cc: Will Deacon Link: https://lore.kernel.org/r/20240603111812.1514101-3-mark.rutland@arm.com Signed-off-by: Catalin Marinas [ Mark: trivial backport ] Signed-off-by: Mark Rutland Signed-off-by: Sasha Levin --- arch/arm64/include/asm/cputype.h | 2 ++ 1 file changed, 2 insertions(+) diff --git a/arch/arm64/include/asm/cputype.h b/arch/arm64/include/asm/cputype.h index e8ceddaba7a0..4f08438344e2 100644 --- a/arch/arm64/include/asm/cputype.h +++ b/arch/arm64/include/asm/cputype.h @@ -86,6 +86,7 @@ #define ARM_CPU_PART_CORTEX_A78C 0xD4B #define ARM_CPU_PART_CORTEX_X3 0xD4E #define ARM_CPU_PART_NEOVERSE_V2 0xD4F +#define ARM_CPU_PART_CORTEX_A720 0xD81 #define ARM_CPU_PART_CORTEX_X4 0xD82 #define ARM_CPU_PART_NEOVERSE_V3 0xD84 @@ -142,6 +143,7 @@ #define MIDR_CORTEX_A78C MIDR_CPU_MODEL(ARM_CPU_IMP_ARM, ARM_CPU_PART_CORTEX_A78C) #define MIDR_CORTEX_X3 MIDR_CPU_MODEL(ARM_CPU_IMP_ARM, ARM_CPU_PART_CORTEX_X3) #define MIDR_NEOVERSE_V2 MIDR_CPU_MODEL(ARM_CPU_IMP_ARM, ARM_CPU_PART_NEOVERSE_V2) +#define MIDR_CORTEX_A720 MIDR_CPU_MODEL(ARM_CPU_IMP_ARM, ARM_CPU_PART_CORTEX_A720) #define MIDR_CORTEX_X4 MIDR_CPU_MODEL(ARM_CPU_IMP_ARM, ARM_CPU_PART_CORTEX_X4) #define MIDR_NEOVERSE_V3 MIDR_CPU_MODEL(ARM_CPU_IMP_ARM, ARM_CPU_PART_NEOVERSE_V3) #define MIDR_THUNDERX MIDR_CPU_MODEL(ARM_CPU_IMP_CAVIUM, CAVIUM_CPU_PART_THUNDERX) From 17ff37fe453f379f8c104abcb3126791eb1cc703 Mon Sep 17 00:00:00 2001 From: Mark Rutland Date: Fri, 9 Aug 2024 11:17:34 +0100 Subject: [PATCH 276/702] arm64: cputype: Add Cortex-X925 definitions [ Upstream commit fd2ff5f0b320f418288e7a1f919f648fbc8a0dfc ] Add cputype definitions for Cortex-X925. These will be used for errata detection in subsequent patches. These values can be found in Table A-285 ("MIDR_EL1 bit descriptions") in issue 0001-05 of the Cortex-X925 TRM, which can be found at: https://developer.arm.com/documentation/102807/0001/?lang=en Signed-off-by: Mark Rutland Cc: James Morse Cc: Will Deacon Link: https://lore.kernel.org/r/20240603111812.1514101-4-mark.rutland@arm.com Signed-off-by: Catalin Marinas [ Mark: trivial backport ] Signed-off-by: Mark Rutland Signed-off-by: Sasha Levin --- arch/arm64/include/asm/cputype.h | 2 ++ 1 file changed, 2 insertions(+) diff --git a/arch/arm64/include/asm/cputype.h b/arch/arm64/include/asm/cputype.h index 4f08438344e2..35162c15ed6c 100644 --- a/arch/arm64/include/asm/cputype.h +++ b/arch/arm64/include/asm/cputype.h @@ -89,6 +89,7 @@ #define ARM_CPU_PART_CORTEX_A720 0xD81 #define ARM_CPU_PART_CORTEX_X4 0xD82 #define ARM_CPU_PART_NEOVERSE_V3 0xD84 +#define ARM_CPU_PART_CORTEX_X925 0xD85 #define APM_CPU_PART_POTENZA 0x000 @@ -146,6 +147,7 @@ #define MIDR_CORTEX_A720 MIDR_CPU_MODEL(ARM_CPU_IMP_ARM, ARM_CPU_PART_CORTEX_A720) #define MIDR_CORTEX_X4 MIDR_CPU_MODEL(ARM_CPU_IMP_ARM, ARM_CPU_PART_CORTEX_X4) #define MIDR_NEOVERSE_V3 MIDR_CPU_MODEL(ARM_CPU_IMP_ARM, ARM_CPU_PART_NEOVERSE_V3) +#define MIDR_CORTEX_X925 MIDR_CPU_MODEL(ARM_CPU_IMP_ARM, ARM_CPU_PART_CORTEX_X925) #define MIDR_THUNDERX MIDR_CPU_MODEL(ARM_CPU_IMP_CAVIUM, CAVIUM_CPU_PART_THUNDERX) #define MIDR_THUNDERX_81XX MIDR_CPU_MODEL(ARM_CPU_IMP_CAVIUM, CAVIUM_CPU_PART_THUNDERX_81XX) #define MIDR_THUNDERX_83XX MIDR_CPU_MODEL(ARM_CPU_IMP_CAVIUM, CAVIUM_CPU_PART_THUNDERX_83XX) From bf0d247dfbda15060347aa120dc94019dfedc6b1 Mon Sep 17 00:00:00 2001 From: Mark Rutland Date: Fri, 9 Aug 2024 11:17:35 +0100 Subject: [PATCH 277/702] arm64: errata: Unify speculative SSBS errata logic [ Upstream commit ec768766608092087dfb5c1fc45a16a6f524dee2 ] Cortex-X4 erratum 3194386 and Neoverse-V3 erratum 3312417 are identical, with duplicate Kconfig text and some unsightly ifdeffery. While we try to share code behind CONFIG_ARM64_WORKAROUND_SPECULATIVE_SSBS, having separate options results in a fair amount of boilerplate code, and this will only get worse as we expand the set of affected CPUs. To reduce this boilerplate, unify the two behind a common Kconfig option. This removes the duplicate text and Kconfig logic, and removes the need for the intermediate ARM64_WORKAROUND_SPECULATIVE_SSBS option. The set of affected CPUs is described as a list so that this can easily be extended. I've used ARM64_ERRATUM_3194386 (matching the Neoverse-V3 erratum ID) as the common option, matching the way we use ARM64_ERRATUM_1319367 to cover Cortex-A57 erratum 1319537 and Cortex-A72 erratum 1319367. Signed-off-by: Mark Rutland Cc: James Morse Cc: Will Deacon Link: https://lore.kernel.org/r/20240603111812.1514101-5-mark.rutland@arm.com Signed-off-by: Catalin Marinas [ Mark: fix conflicts & renames, drop unneeded cpucaps.h ] Signed-off-by: Mark Rutland Signed-off-by: Sasha Levin --- Documentation/arm64/silicon-errata.rst | 2 +- arch/arm64/Kconfig | 28 ++++---------------------- arch/arm64/kernel/cpu_errata.c | 8 ++------ arch/arm64/kernel/proton-pack.c | 2 +- 4 files changed, 8 insertions(+), 32 deletions(-) diff --git a/Documentation/arm64/silicon-errata.rst b/Documentation/arm64/silicon-errata.rst index 0ecb714b2c42..2f50eb0fce34 100644 --- a/Documentation/arm64/silicon-errata.rst +++ b/Documentation/arm64/silicon-errata.rst @@ -106,7 +106,7 @@ stable kernels. +----------------+-----------------+-----------------+-----------------------------+ | ARM | Neoverse-N1 | #1542419 | ARM64_ERRATUM_1542419 | +----------------+-----------------+-----------------+-----------------------------+ -| ARM | Neoverse-V3 | #3312417 | ARM64_ERRATUM_3312417 | +| ARM | Neoverse-V3 | #3312417 | ARM64_ERRATUM_3194386 | +----------------+-----------------+-----------------+-----------------------------+ | ARM | MMU-500 | #841119,826419 | N/A | +----------------+-----------------+-----------------+-----------------------------+ diff --git a/arch/arm64/Kconfig b/arch/arm64/Kconfig index 0d59e8ab27c8..4ed94e8d84c7 100644 --- a/arch/arm64/Kconfig +++ b/arch/arm64/Kconfig @@ -691,34 +691,14 @@ config ARM64_ERRATUM_2457168 If unsure, say Y. -config ARM64_WORKAROUND_SPECULATIVE_SSBS - bool - config ARM64_ERRATUM_3194386 - bool "Cortex-X4: 3194386: workaround for MSR SSBS not self-synchronizing" - select ARM64_WORKAROUND_SPECULATIVE_SSBS + bool "Cortex-X4/Neoverse-V3: workaround for MSR SSBS not self-synchronizing" default y help - This option adds the workaround for ARM Cortex-X4 erratum 3194386. + This option adds the workaround for the following errata: - On affected cores "MSR SSBS, #0" instructions may not affect - subsequent speculative instructions, which may permit unexepected - speculative store bypassing. - - Work around this problem by placing a speculation barrier after - kernel changes to SSBS. The presence of the SSBS special-purpose - register is hidden from hwcaps and EL0 reads of ID_AA64PFR1_EL1, such - that userspace will use the PR_SPEC_STORE_BYPASS prctl to change - SSBS. - - If unsure, say Y. - -config ARM64_ERRATUM_3312417 - bool "Neoverse-V3: 3312417: workaround for MSR SSBS not self-synchronizing" - select ARM64_WORKAROUND_SPECULATIVE_SSBS - default y - help - This option adds the workaround for ARM Neoverse-V3 erratum 3312417. + * ARM Cortex-X4 erratum 3194386 + * ARM Neoverse-V3 erratum 3312417 On affected cores "MSR SSBS, #0" instructions may not affect subsequent speculative instructions, which may permit unexepected diff --git a/arch/arm64/kernel/cpu_errata.c b/arch/arm64/kernel/cpu_errata.c index 3eabd809aee4..4dc465d285d5 100644 --- a/arch/arm64/kernel/cpu_errata.c +++ b/arch/arm64/kernel/cpu_errata.c @@ -364,14 +364,10 @@ static struct midr_range broken_aarch32_aes[] = { }; #endif -#ifdef CONFIG_ARM64_WORKAROUND_SPECULATIVE_SSBS -static const struct midr_range erratum_spec_ssbs_list[] = { #ifdef CONFIG_ARM64_ERRATUM_3194386 +static const struct midr_range erratum_spec_ssbs_list[] = { MIDR_ALL_VERSIONS(MIDR_CORTEX_X4), -#endif -#ifdef CONFIG_ARM64_ERRATUM_3312417 MIDR_ALL_VERSIONS(MIDR_NEOVERSE_V3), -#endif {} }; #endif @@ -583,7 +579,7 @@ const struct arm64_cpu_capabilities arm64_errata[] = { .type = ARM64_CPUCAP_LOCAL_CPU_ERRATUM, }, #endif -#ifdef CONFIG_ARM64_WORKAROUND_SPECULATIVE_SSBS +#ifdef CONFIG_ARM64_ERRATUM_3194386 { .desc = "ARM errata 3194386, 3312417", .capability = ARM64_WORKAROUND_SPECULATIVE_SSBS, diff --git a/arch/arm64/kernel/proton-pack.c b/arch/arm64/kernel/proton-pack.c index b40310e0bdb9..90337910c3f5 100644 --- a/arch/arm64/kernel/proton-pack.c +++ b/arch/arm64/kernel/proton-pack.c @@ -583,7 +583,7 @@ static enum mitigation_state spectre_v4_enable_hw_mitigation(void) * Mitigate this with an unconditional speculation barrier, as CPUs * could mis-speculate branches and bypass a conditional barrier. */ - if (IS_ENABLED(CONFIG_ARM64_WORKAROUND_SPECULATIVE_SSBS)) + if (IS_ENABLED(CONFIG_ARM64_ERRATUM_3194386)) spec_bar(); return SPECTRE_MITIGATED; From 4a500d4bdcec631a76ba5780b0e0864767ee6df0 Mon Sep 17 00:00:00 2001 From: Mark Rutland Date: Fri, 9 Aug 2024 11:17:36 +0100 Subject: [PATCH 278/702] arm64: errata: Expand speculative SSBS workaround [ Upstream commit 75b3c43eab594bfbd8184ec8ee1a6b820950819a ] A number of Arm Ltd CPUs suffer from errata whereby an MSR to the SSBS special-purpose register does not affect subsequent speculative instructions, permitting speculative store bypassing for a window of time. We worked around this for Cortex-X4 and Neoverse-V3, in commit: 7187bb7d0b5c7dfa ("arm64: errata: Add workaround for Arm errata 3194386 and 3312417") ... as per their Software Developer Errata Notice (SDEN) documents: * Cortex-X4 SDEN v8.0, erratum 3194386: https://developer.arm.com/documentation/SDEN-2432808/0800/ * Neoverse-V3 SDEN v6.0, erratum 3312417: https://developer.arm.com/documentation/SDEN-2891958/0600/ Since then, similar errata have been published for a number of other Arm Ltd CPUs, for which the mitigation is the same. This is described in their respective SDEN documents: * Cortex-A710 SDEN v19.0, errataum 3324338 https://developer.arm.com/documentation/SDEN-1775101/1900/?lang=en * Cortex-A720 SDEN v11.0, erratum 3456091 https://developer.arm.com/documentation/SDEN-2439421/1100/?lang=en * Cortex-X2 SDEN v19.0, erratum 3324338 https://developer.arm.com/documentation/SDEN-1775100/1900/?lang=en * Cortex-X3 SDEN v14.0, erratum 3324335 https://developer.arm.com/documentation/SDEN-2055130/1400/?lang=en * Cortex-X925 SDEN v8.0, erratum 3324334 https://developer.arm.com/documentation/109108/800/?lang=en * Neoverse-N2 SDEN v17.0, erratum 3324339 https://developer.arm.com/documentation/SDEN-1982442/1700/?lang=en * Neoverse-V2 SDEN v9.0, erratum 3324336 https://developer.arm.com/documentation/SDEN-2332927/900/?lang=en Note that due to shared design lineage, some CPUs share the same erratum number. Add these to the existing mitigation under CONFIG_ARM64_ERRATUM_3194386. As listing all of the erratum IDs in the runtime description would be unwieldy, this is reduced to: "SSBS not fully self-synchronizing" ... matching the description of the errata in all of the SDENs. Signed-off-by: Mark Rutland Cc: James Morse Cc: Will Deacon Link: https://lore.kernel.org/r/20240603111812.1514101-6-mark.rutland@arm.com Signed-off-by: Catalin Marinas [ Mark: fix conflicts and renames ] Signed-off-by: Mark Rutland Signed-off-by: Sasha Levin --- Documentation/arm64/silicon-errata.rst | 14 ++++++++++++++ arch/arm64/Kconfig | 9 ++++++++- arch/arm64/kernel/cpu_errata.c | 9 ++++++++- 3 files changed, 30 insertions(+), 2 deletions(-) diff --git a/Documentation/arm64/silicon-errata.rst b/Documentation/arm64/silicon-errata.rst index 2f50eb0fce34..748f9cc5877b 100644 --- a/Documentation/arm64/silicon-errata.rst +++ b/Documentation/arm64/silicon-errata.rst @@ -98,14 +98,28 @@ stable kernels. +----------------+-----------------+-----------------+-----------------------------+ | ARM | Cortex-A510 | #2457168 | ARM64_ERRATUM_2457168 | +----------------+-----------------+-----------------+-----------------------------+ +| ARM | Cortex-A710 | #3324338 | ARM64_ERRATUM_3194386 | ++----------------+-----------------+-----------------+-----------------------------+ +| ARM | Cortex-A720 | #3456091 | ARM64_ERRATUM_3194386 | ++----------------+-----------------+-----------------+-----------------------------+ +| ARM | Cortex-X2 | #3324338 | ARM64_ERRATUM_3194386 | ++----------------+-----------------+-----------------+-----------------------------+ +| ARM | Cortex-X3 | #3324335 | ARM64_ERRATUM_3194386 | ++----------------+-----------------+-----------------+-----------------------------+ | ARM | Cortex-X4 | #3194386 | ARM64_ERRATUM_3194386 | +----------------+-----------------+-----------------+-----------------------------+ +| ARM | Cortex-X925 | #3324334 | ARM64_ERRATUM_3194386 | ++----------------+-----------------+-----------------+-----------------------------+ | ARM | Neoverse-N1 | #1188873,1418040| ARM64_ERRATUM_1418040 | +----------------+-----------------+-----------------+-----------------------------+ | ARM | Neoverse-N1 | #1349291 | N/A | +----------------+-----------------+-----------------+-----------------------------+ | ARM | Neoverse-N1 | #1542419 | ARM64_ERRATUM_1542419 | +----------------+-----------------+-----------------+-----------------------------+ +| ARM | Neoverse-N2 | #3324339 | ARM64_ERRATUM_3194386 | ++----------------+-----------------+-----------------+-----------------------------+ +| ARM | Neoverse-V2 | #3324336 | ARM64_ERRATUM_3194386 | ++----------------+-----------------+-----------------+-----------------------------+ | ARM | Neoverse-V3 | #3312417 | ARM64_ERRATUM_3194386 | +----------------+-----------------+-----------------+-----------------------------+ | ARM | MMU-500 | #841119,826419 | N/A | diff --git a/arch/arm64/Kconfig b/arch/arm64/Kconfig index 4ed94e8d84c7..3662cb8aa44d 100644 --- a/arch/arm64/Kconfig +++ b/arch/arm64/Kconfig @@ -692,12 +692,19 @@ config ARM64_ERRATUM_2457168 If unsure, say Y. config ARM64_ERRATUM_3194386 - bool "Cortex-X4/Neoverse-V3: workaround for MSR SSBS not self-synchronizing" + bool "Cortex-{A720,X4,X925}/Neoverse-V3: workaround for MSR SSBS not self-synchronizing" default y help This option adds the workaround for the following errata: + * ARM Cortex-A710 erratam 3324338 + * ARM Cortex-A720 erratum 3456091 + * ARM Cortex-X2 erratum 3324338 + * ARM Cortex-X3 erratum 3324335 * ARM Cortex-X4 erratum 3194386 + * ARM Cortex-X925 erratum 3324334 + * ARM Neoverse N2 erratum 3324339 + * ARM Neoverse V2 erratum 3324336 * ARM Neoverse-V3 erratum 3312417 On affected cores "MSR SSBS, #0" instructions may not affect diff --git a/arch/arm64/kernel/cpu_errata.c b/arch/arm64/kernel/cpu_errata.c index 4dc465d285d5..000c61ee5a1e 100644 --- a/arch/arm64/kernel/cpu_errata.c +++ b/arch/arm64/kernel/cpu_errata.c @@ -366,8 +366,15 @@ static struct midr_range broken_aarch32_aes[] = { #ifdef CONFIG_ARM64_ERRATUM_3194386 static const struct midr_range erratum_spec_ssbs_list[] = { + MIDR_ALL_VERSIONS(MIDR_CORTEX_A710), + MIDR_ALL_VERSIONS(MIDR_CORTEX_A720), + MIDR_ALL_VERSIONS(MIDR_CORTEX_X2), + MIDR_ALL_VERSIONS(MIDR_CORTEX_X3), MIDR_ALL_VERSIONS(MIDR_CORTEX_X4), + MIDR_ALL_VERSIONS(MIDR_CORTEX_X925), + MIDR_ALL_VERSIONS(MIDR_NEOVERSE_N2), MIDR_ALL_VERSIONS(MIDR_NEOVERSE_V3), + MIDR_ALL_VERSIONS(MIDR_NEOVERSE_V2), {} }; #endif @@ -581,7 +588,7 @@ const struct arm64_cpu_capabilities arm64_errata[] = { #endif #ifdef CONFIG_ARM64_ERRATUM_3194386 { - .desc = "ARM errata 3194386, 3312417", + .desc = "SSBS not fully self-synchronizing", .capability = ARM64_WORKAROUND_SPECULATIVE_SSBS, ERRATA_MIDR_RANGE_LIST(erratum_spec_ssbs_list), }, From bdae104b0949216ba8d4f2f1c11788a6526c0fc0 Mon Sep 17 00:00:00 2001 From: Mark Rutland Date: Fri, 9 Aug 2024 11:17:37 +0100 Subject: [PATCH 279/702] arm64: cputype: Add Cortex-X1C definitions [ Upstream commit 58d245e03c324d083a0ec3b9ab8ebd46ec9848d7 ] Add cputype definitions for Cortex-X1C. These will be used for errata detection in subsequent patches. These values can be found in the Cortex-X1C TRM: https://developer.arm.com/documentation/101968/0002/ ... in section B2.107 ("MIDR_EL1, Main ID Register, EL1"). Signed-off-by: Mark Rutland Cc: James Morse Cc: Will Deacon Reviewed-by: Anshuman Khandual Link: https://lore.kernel.org/r/20240801101803.1982459-2-mark.rutland@arm.com Signed-off-by: Catalin Marinas [ Mark: trivial backport ] Signed-off-by: Mark Rutland Signed-off-by: Sasha Levin --- arch/arm64/include/asm/cputype.h | 2 ++ 1 file changed, 2 insertions(+) diff --git a/arch/arm64/include/asm/cputype.h b/arch/arm64/include/asm/cputype.h index 35162c15ed6c..8dccfd205269 100644 --- a/arch/arm64/include/asm/cputype.h +++ b/arch/arm64/include/asm/cputype.h @@ -84,6 +84,7 @@ #define ARM_CPU_PART_CORTEX_X2 0xD48 #define ARM_CPU_PART_NEOVERSE_N2 0xD49 #define ARM_CPU_PART_CORTEX_A78C 0xD4B +#define ARM_CPU_PART_CORTEX_X1C 0xD4C #define ARM_CPU_PART_CORTEX_X3 0xD4E #define ARM_CPU_PART_NEOVERSE_V2 0xD4F #define ARM_CPU_PART_CORTEX_A720 0xD81 @@ -142,6 +143,7 @@ #define MIDR_CORTEX_X2 MIDR_CPU_MODEL(ARM_CPU_IMP_ARM, ARM_CPU_PART_CORTEX_X2) #define MIDR_NEOVERSE_N2 MIDR_CPU_MODEL(ARM_CPU_IMP_ARM, ARM_CPU_PART_NEOVERSE_N2) #define MIDR_CORTEX_A78C MIDR_CPU_MODEL(ARM_CPU_IMP_ARM, ARM_CPU_PART_CORTEX_A78C) +#define MIDR_CORTEX_X1C MIDR_CPU_MODEL(ARM_CPU_IMP_ARM, ARM_CPU_PART_CORTEX_X1C) #define MIDR_CORTEX_X3 MIDR_CPU_MODEL(ARM_CPU_IMP_ARM, ARM_CPU_PART_CORTEX_X3) #define MIDR_NEOVERSE_V2 MIDR_CPU_MODEL(ARM_CPU_IMP_ARM, ARM_CPU_PART_NEOVERSE_V2) #define MIDR_CORTEX_A720 MIDR_CPU_MODEL(ARM_CPU_IMP_ARM, ARM_CPU_PART_CORTEX_A720) From f261c5d8d0f8d813125a2e245a91f761f77c067d Mon Sep 17 00:00:00 2001 From: Mark Rutland Date: Fri, 9 Aug 2024 11:17:38 +0100 Subject: [PATCH 280/702] arm64: cputype: Add Cortex-A725 definitions [ Upstream commit 9ef54a384526911095db465e77acc1cb5266b32c ] Add cputype definitions for Cortex-A725. These will be used for errata detection in subsequent patches. These values can be found in the Cortex-A725 TRM: https://developer.arm.com/documentation/107652/0001/ ... in table A-247 ("MIDR_EL1 bit descriptions"). Signed-off-by: Mark Rutland Cc: James Morse Cc: Will Deacon Reviewed-by: Anshuman Khandual Link: https://lore.kernel.org/r/20240801101803.1982459-3-mark.rutland@arm.com Signed-off-by: Catalin Marinas [ Mark: trivial backport ] Signed-off-by: Mark Rutland Signed-off-by: Sasha Levin --- arch/arm64/include/asm/cputype.h | 2 ++ 1 file changed, 2 insertions(+) diff --git a/arch/arm64/include/asm/cputype.h b/arch/arm64/include/asm/cputype.h index 8dccfd205269..91890e9fcb6c 100644 --- a/arch/arm64/include/asm/cputype.h +++ b/arch/arm64/include/asm/cputype.h @@ -91,6 +91,7 @@ #define ARM_CPU_PART_CORTEX_X4 0xD82 #define ARM_CPU_PART_NEOVERSE_V3 0xD84 #define ARM_CPU_PART_CORTEX_X925 0xD85 +#define ARM_CPU_PART_CORTEX_A725 0xD87 #define APM_CPU_PART_POTENZA 0x000 @@ -150,6 +151,7 @@ #define MIDR_CORTEX_X4 MIDR_CPU_MODEL(ARM_CPU_IMP_ARM, ARM_CPU_PART_CORTEX_X4) #define MIDR_NEOVERSE_V3 MIDR_CPU_MODEL(ARM_CPU_IMP_ARM, ARM_CPU_PART_NEOVERSE_V3) #define MIDR_CORTEX_X925 MIDR_CPU_MODEL(ARM_CPU_IMP_ARM, ARM_CPU_PART_CORTEX_X925) +#define MIDR_CORTEX_A725 MIDR_CPU_MODEL(ARM_CPU_IMP_ARM, ARM_CPU_PART_CORTEX_A725) #define MIDR_THUNDERX MIDR_CPU_MODEL(ARM_CPU_IMP_CAVIUM, CAVIUM_CPU_PART_THUNDERX) #define MIDR_THUNDERX_81XX MIDR_CPU_MODEL(ARM_CPU_IMP_CAVIUM, CAVIUM_CPU_PART_THUNDERX_81XX) #define MIDR_THUNDERX_83XX MIDR_CPU_MODEL(ARM_CPU_IMP_CAVIUM, CAVIUM_CPU_PART_THUNDERX_83XX) From 706f18a8fa4317ccffea53098faac8b1efe6f427 Mon Sep 17 00:00:00 2001 From: Mark Rutland Date: Fri, 9 Aug 2024 11:17:39 +0100 Subject: [PATCH 281/702] arm64: errata: Expand speculative SSBS workaround (again) [ Upstream commit adeec61a4723fd3e39da68db4cc4d924e6d7f641 ] A number of Arm Ltd CPUs suffer from errata whereby an MSR to the SSBS special-purpose register does not affect subsequent speculative instructions, permitting speculative store bypassing for a window of time. We worked around this for a number of CPUs in commits: * 7187bb7d0b5c7dfa ("arm64: errata: Add workaround for Arm errata 3194386 and 3312417") * 75b3c43eab594bfb ("arm64: errata: Expand speculative SSBS workaround") Since then, similar errata have been published for a number of other Arm Ltd CPUs, for which the same mitigation is sufficient. This is described in their respective Software Developer Errata Notice (SDEN) documents: * Cortex-A76 (MP052) SDEN v31.0, erratum 3324349 https://developer.arm.com/documentation/SDEN-885749/3100/ * Cortex-A77 (MP074) SDEN v19.0, erratum 3324348 https://developer.arm.com/documentation/SDEN-1152370/1900/ * Cortex-A78 (MP102) SDEN v21.0, erratum 3324344 https://developer.arm.com/documentation/SDEN-1401784/2100/ * Cortex-A78C (MP138) SDEN v16.0, erratum 3324346 https://developer.arm.com/documentation/SDEN-1707916/1600/ * Cortex-A78C (MP154) SDEN v10.0, erratum 3324347 https://developer.arm.com/documentation/SDEN-2004089/1000/ * Cortex-A725 (MP190) SDEN v5.0, erratum 3456106 https://developer.arm.com/documentation/SDEN-2832921/0500/ * Cortex-X1 (MP077) SDEN v21.0, erratum 3324344 https://developer.arm.com/documentation/SDEN-1401782/2100/ * Cortex-X1C (MP136) SDEN v16.0, erratum 3324346 https://developer.arm.com/documentation/SDEN-1707914/1600/ * Neoverse-N1 (MP050) SDEN v32.0, erratum 3324349 https://developer.arm.com/documentation/SDEN-885747/3200/ * Neoverse-V1 (MP076) SDEN v19.0, erratum 3324341 https://developer.arm.com/documentation/SDEN-1401781/1900/ Note that due to the manner in which Arm develops IP and tracks errata, some CPUs share a common erratum number and some CPUs have multiple erratum numbers for the same HW issue. On parts without SB, it is necessary to use ISB for the workaround. The spec_bar() macro used in the mitigation will expand to a "DSB SY; ISB" sequence in this case, which is sufficient on all affected parts. Enable the existing mitigation by adding the relevant MIDRs to erratum_spec_ssbs_list. The list is sorted alphanumerically (involving moving Neoverse-V3 after Neoverse-V2) so that this is easy to audit and potentially extend again in future. The Kconfig text is also updated to clarify the set of affected parts and the mitigation. Signed-off-by: Mark Rutland Cc: James Morse Cc: Will Deacon Reviewed-by: Anshuman Khandual Acked-by: Will Deacon Link: https://lore.kernel.org/r/20240801101803.1982459-4-mark.rutland@arm.com Signed-off-by: Catalin Marinas [ Mark: fix conflicts in silicon-errata.rst ] Signed-off-by: Mark Rutland Signed-off-by: Sasha Levin --- Documentation/arm64/silicon-errata.rst | 18 ++++++++++++++++++ arch/arm64/Kconfig | 22 ++++++++++++++++------ arch/arm64/kernel/cpu_errata.c | 11 ++++++++++- 3 files changed, 44 insertions(+), 7 deletions(-) diff --git a/Documentation/arm64/silicon-errata.rst b/Documentation/arm64/silicon-errata.rst index 748f9cc5877b..14eef7e93614 100644 --- a/Documentation/arm64/silicon-errata.rst +++ b/Documentation/arm64/silicon-errata.rst @@ -94,14 +94,28 @@ stable kernels. +----------------+-----------------+-----------------+-----------------------------+ | ARM | Cortex-A76 | #1463225 | ARM64_ERRATUM_1463225 | +----------------+-----------------+-----------------+-----------------------------+ +| ARM | Cortex-A76 | #3324349 | ARM64_ERRATUM_3194386 | ++----------------+-----------------+-----------------+-----------------------------+ | ARM | Cortex-A77 | #1508412 | ARM64_ERRATUM_1508412 | +----------------+-----------------+-----------------+-----------------------------+ +| ARM | Cortex-A77 | #3324348 | ARM64_ERRATUM_3194386 | ++----------------+-----------------+-----------------+-----------------------------+ +| ARM | Cortex-A78 | #3324344 | ARM64_ERRATUM_3194386 | ++----------------+-----------------+-----------------+-----------------------------+ +| ARM | Cortex-A78C | #3324346,3324347| ARM64_ERRATUM_3194386 | ++----------------+-----------------+-----------------+-----------------------------+ | ARM | Cortex-A510 | #2457168 | ARM64_ERRATUM_2457168 | +----------------+-----------------+-----------------+-----------------------------+ | ARM | Cortex-A710 | #3324338 | ARM64_ERRATUM_3194386 | +----------------+-----------------+-----------------+-----------------------------+ | ARM | Cortex-A720 | #3456091 | ARM64_ERRATUM_3194386 | +----------------+-----------------+-----------------+-----------------------------+ +| ARM | Cortex-A725 | #3456106 | ARM64_ERRATUM_3194386 | ++----------------+-----------------+-----------------+-----------------------------+ +| ARM | Cortex-X1 | #3324344 | ARM64_ERRATUM_3194386 | ++----------------+-----------------+-----------------+-----------------------------+ +| ARM | Cortex-X1C | #3324346 | ARM64_ERRATUM_3194386 | ++----------------+-----------------+-----------------+-----------------------------+ | ARM | Cortex-X2 | #3324338 | ARM64_ERRATUM_3194386 | +----------------+-----------------+-----------------+-----------------------------+ | ARM | Cortex-X3 | #3324335 | ARM64_ERRATUM_3194386 | @@ -116,8 +130,12 @@ stable kernels. +----------------+-----------------+-----------------+-----------------------------+ | ARM | Neoverse-N1 | #1542419 | ARM64_ERRATUM_1542419 | +----------------+-----------------+-----------------+-----------------------------+ +| ARM | Neoverse-N1 | #3324349 | ARM64_ERRATUM_3194386 | ++----------------+-----------------+-----------------+-----------------------------+ | ARM | Neoverse-N2 | #3324339 | ARM64_ERRATUM_3194386 | +----------------+-----------------+-----------------+-----------------------------+ +| ARM | Neoverse-V1 | #3324341 | ARM64_ERRATUM_3194386 | ++----------------+-----------------+-----------------+-----------------------------+ | ARM | Neoverse-V2 | #3324336 | ARM64_ERRATUM_3194386 | +----------------+-----------------+-----------------+-----------------------------+ | ARM | Neoverse-V3 | #3312417 | ARM64_ERRATUM_3194386 | diff --git a/arch/arm64/Kconfig b/arch/arm64/Kconfig index 3662cb8aa44d..9fdf8b036428 100644 --- a/arch/arm64/Kconfig +++ b/arch/arm64/Kconfig @@ -692,18 +692,28 @@ config ARM64_ERRATUM_2457168 If unsure, say Y. config ARM64_ERRATUM_3194386 - bool "Cortex-{A720,X4,X925}/Neoverse-V3: workaround for MSR SSBS not self-synchronizing" + bool "Cortex-*/Neoverse-*: workaround for MSR SSBS not self-synchronizing" default y help This option adds the workaround for the following errata: + * ARM Cortex-A76 erratum 3324349 + * ARM Cortex-A77 erratum 3324348 + * ARM Cortex-A78 erratum 3324344 + * ARM Cortex-A78C erratum 3324346 + * ARM Cortex-A78C erratum 3324347 * ARM Cortex-A710 erratam 3324338 * ARM Cortex-A720 erratum 3456091 + * ARM Cortex-A725 erratum 3456106 + * ARM Cortex-X1 erratum 3324344 + * ARM Cortex-X1C erratum 3324346 * ARM Cortex-X2 erratum 3324338 * ARM Cortex-X3 erratum 3324335 * ARM Cortex-X4 erratum 3194386 * ARM Cortex-X925 erratum 3324334 + * ARM Neoverse-N1 erratum 3324349 * ARM Neoverse N2 erratum 3324339 + * ARM Neoverse-V1 erratum 3324341 * ARM Neoverse V2 erratum 3324336 * ARM Neoverse-V3 erratum 3312417 @@ -711,11 +721,11 @@ config ARM64_ERRATUM_3194386 subsequent speculative instructions, which may permit unexepected speculative store bypassing. - Work around this problem by placing a speculation barrier after - kernel changes to SSBS. The presence of the SSBS special-purpose - register is hidden from hwcaps and EL0 reads of ID_AA64PFR1_EL1, such - that userspace will use the PR_SPEC_STORE_BYPASS prctl to change - SSBS. + Work around this problem by placing a Speculation Barrier (SB) or + Instruction Synchronization Barrier (ISB) after kernel changes to + SSBS. The presence of the SSBS special-purpose register is hidden + from hwcaps and EL0 reads of ID_AA64PFR1_EL1, such that userspace + will use the PR_SPEC_STORE_BYPASS prctl to change SSBS. If unsure, say Y. diff --git a/arch/arm64/kernel/cpu_errata.c b/arch/arm64/kernel/cpu_errata.c index 000c61ee5a1e..6e63dc8f0e8c 100644 --- a/arch/arm64/kernel/cpu_errata.c +++ b/arch/arm64/kernel/cpu_errata.c @@ -366,15 +366,24 @@ static struct midr_range broken_aarch32_aes[] = { #ifdef CONFIG_ARM64_ERRATUM_3194386 static const struct midr_range erratum_spec_ssbs_list[] = { + MIDR_ALL_VERSIONS(MIDR_CORTEX_A76), + MIDR_ALL_VERSIONS(MIDR_CORTEX_A77), + MIDR_ALL_VERSIONS(MIDR_CORTEX_A78), + MIDR_ALL_VERSIONS(MIDR_CORTEX_A78C), MIDR_ALL_VERSIONS(MIDR_CORTEX_A710), MIDR_ALL_VERSIONS(MIDR_CORTEX_A720), + MIDR_ALL_VERSIONS(MIDR_CORTEX_A725), + MIDR_ALL_VERSIONS(MIDR_CORTEX_X1), + MIDR_ALL_VERSIONS(MIDR_CORTEX_X1C), MIDR_ALL_VERSIONS(MIDR_CORTEX_X2), MIDR_ALL_VERSIONS(MIDR_CORTEX_X3), MIDR_ALL_VERSIONS(MIDR_CORTEX_X4), MIDR_ALL_VERSIONS(MIDR_CORTEX_X925), + MIDR_ALL_VERSIONS(MIDR_NEOVERSE_N1), MIDR_ALL_VERSIONS(MIDR_NEOVERSE_N2), - MIDR_ALL_VERSIONS(MIDR_NEOVERSE_V3), + MIDR_ALL_VERSIONS(MIDR_NEOVERSE_V1), MIDR_ALL_VERSIONS(MIDR_NEOVERSE_V2), + MIDR_ALL_VERSIONS(MIDR_NEOVERSE_V3), {} }; #endif From 5605992ad425c86d4266204d306f437b7bb12528 Mon Sep 17 00:00:00 2001 From: Guenter Roeck Date: Mon, 10 Jan 2022 09:28:56 -0800 Subject: [PATCH 282/702] i2c: smbus: Improve handling of stuck alerts [ Upstream commit 37c526f00bc1c4f847fc800085f8f009d2e11be6 ] The following messages were observed while testing alert functionality on systems with multiple I2C devices on a single bus if alert was active on more than one chip. smbus_alert 3-000c: SMBALERT# from dev 0x0c, flag 0 smbus_alert 3-000c: no driver alert()! and: smbus_alert 3-000c: SMBALERT# from dev 0x28, flag 0 Once it starts, this message repeats forever at high rate. There is no device at any of the reported addresses. Analysis shows that this is seen if multiple devices have the alert pin active. Apparently some devices do not support SMBus arbitration correctly. They keep sending address bits after detecting an address collision and handle the collision not at all or too late. Specifically, address 0x0c is seen with ADT7461A at address 0x4c and ADM1021 at address 0x18 if alert is active on both chips. Address 0x28 is seen with ADT7483 at address 0x2a and ADT7461 at address 0x4c if alert is active on both chips. Once the system is in bad state (alert is set by more than one chip), it often only recovers by power cycling. To reduce the impact of this problem, abort the endless loop in smbus_alert() if the same address is read more than once and not handled by a driver. Fixes: b5527a7766f0 ("i2c: Add SMBus alert support") Signed-off-by: Guenter Roeck [wsa: it also fixed an interrupt storm in one of my experiments] Tested-by: Wolfram Sang [wsa: rebased, moved a comment as well, improved the 'invalid' value] Signed-off-by: Wolfram Sang Signed-off-by: Sasha Levin --- drivers/i2c/i2c-smbus.c | 32 +++++++++++++++++++++++++------- 1 file changed, 25 insertions(+), 7 deletions(-) diff --git a/drivers/i2c/i2c-smbus.c b/drivers/i2c/i2c-smbus.c index d3d06e3b4f3b..dcbc4b29aa72 100644 --- a/drivers/i2c/i2c-smbus.c +++ b/drivers/i2c/i2c-smbus.c @@ -34,6 +34,7 @@ static int smbus_do_alert(struct device *dev, void *addrp) struct i2c_client *client = i2c_verify_client(dev); struct alert_data *data = addrp; struct i2c_driver *driver; + int ret; if (!client || client->addr != data->addr) return 0; @@ -47,16 +48,21 @@ static int smbus_do_alert(struct device *dev, void *addrp) device_lock(dev); if (client->dev.driver) { driver = to_i2c_driver(client->dev.driver); - if (driver->alert) + if (driver->alert) { + /* Stop iterating after we find the device */ driver->alert(client, data->type, data->data); - else + ret = -EBUSY; + } else { dev_warn(&client->dev, "no driver alert()!\n"); - } else + ret = -EOPNOTSUPP; + } + } else { dev_dbg(&client->dev, "alert with no driver\n"); + ret = -ENODEV; + } device_unlock(dev); - /* Stop iterating after we find the device */ - return -EBUSY; + return ret; } /* @@ -67,6 +73,7 @@ static irqreturn_t smbus_alert(int irq, void *d) { struct i2c_smbus_alert *alert = d; struct i2c_client *ara; + unsigned short prev_addr = I2C_CLIENT_END; /* Not a valid address */ ara = alert->ara; @@ -94,8 +101,19 @@ static irqreturn_t smbus_alert(int irq, void *d) data.addr, data.data); /* Notify driver for the device which issued the alert */ - device_for_each_child(&ara->adapter->dev, &data, - smbus_do_alert); + status = device_for_each_child(&ara->adapter->dev, &data, + smbus_do_alert); + /* + * If we read the same address more than once, and the alert + * was not handled by a driver, it won't do any good to repeat + * the loop because it will never terminate. + * Bail out in this case. + * Note: This assumes that a driver with alert handler handles + * the alert properly and clears it if necessary. + */ + if (data.addr == prev_addr && status != -EBUSY) + break; + prev_addr = data.addr; } return IRQ_HANDLED; From 56f106d2c47676f4bb0c6a449ccc7afa40d8d411 Mon Sep 17 00:00:00 2001 From: Krzysztof Kozlowski Date: Fri, 26 Jul 2024 16:10:44 +0200 Subject: [PATCH 283/702] ASoC: codecs: wsa881x: Correct Soundwire ports mask [ Upstream commit eb11c3bb64ad0a05aeacdb01039863aa2aa3614b ] Device has up to WSA881X_MAX_SWR_PORTS number of ports and the array assigned to prop.sink_dpn_prop has 0..WSA881X_MAX_SWR_PORTS-1 elements. On the other hand, GENMASK(high, low) creates an inclusive mask between , so we need the mask from 0 up to WSA881X_MAX_SWR_PORTS-1. Theoretically, too wide mask could cause an out of bounds read in sdw_get_slave_dpn_prop() in stream.c, however only in the case of buggy driver, e.g. adding incorrect number of ports via sdw_stream_add_slave(). Fixes: a0aab9e1404a ("ASoC: codecs: add wsa881x amplifier support") Signed-off-by: Krzysztof Kozlowski Link: https://patch.msgid.link/20240726-asoc-wcd-wsa-swr-ports-genmask-v1-4-d4d7a8b56f05@linaro.org Signed-off-by: Mark Brown Signed-off-by: Sasha Levin --- sound/soc/codecs/wsa881x.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/sound/soc/codecs/wsa881x.c b/sound/soc/codecs/wsa881x.c index 9f66f6dc2c67..77012979e131 100644 --- a/sound/soc/codecs/wsa881x.c +++ b/sound/soc/codecs/wsa881x.c @@ -1120,7 +1120,7 @@ static int wsa881x_probe(struct sdw_slave *pdev, wsa881x->sconfig.frame_rate = 48000; wsa881x->sconfig.direction = SDW_DATA_DIR_RX; wsa881x->sconfig.type = SDW_STREAM_PDM; - pdev->prop.sink_ports = GENMASK(WSA881X_MAX_SWR_PORTS, 0); + pdev->prop.sink_ports = GENMASK(WSA881X_MAX_SWR_PORTS - 1, 0); pdev->prop.sink_dpn_prop = wsa_sink_dpn_prop; pdev->prop.scp_int1_mask = SDW_SCP_INT1_BUS_CLASH | SDW_SCP_INT1_PARITY; gpiod_direction_output(wsa881x->sd_n, 1); From 455769ebb60fe7bc6d9f370b30913341f1c031ff Mon Sep 17 00:00:00 2001 From: Guenter Roeck Date: Tue, 30 Jul 2024 07:19:41 -0700 Subject: [PATCH 284/702] i2c: smbus: Send alert notifications to all devices if source not found [ Upstream commit f6c29f710c1ff2590109f83be3e212b86c01e0f3 ] If a SMBus alert is received and the originating device is not found, the reason may be that the address reported on the SMBus alert address is corrupted, for example because multiple devices asserted alert and do not correctly implement SMBus arbitration. If this happens, call alert handlers on all devices connected to the given I2C bus, in the hope that this cleans up the situation. This change reliably fixed the problem on a system with multiple devices on a single bus. Example log where the device on address 0x18 (ADM1021) and on address 0x4c (ADT7461A) both had the alert line asserted: smbus_alert 3-000c: SMBALERT# from dev 0x0c, flag 0 smbus_alert 3-000c: no driver alert()! smbus_alert 3-000c: SMBALERT# from dev 0x0c, flag 0 smbus_alert 3-000c: no driver alert()! lm90 3-0018: temp1 out of range, please check! lm90 3-0018: Disabling ALERT# lm90 3-0029: Everything OK lm90 3-002a: Everything OK lm90 3-004c: temp1 out of range, please check! lm90 3-004c: temp2 out of range, please check! lm90 3-004c: Disabling ALERT# Fixes: b5527a7766f0 ("i2c: Add SMBus alert support") Signed-off-by: Guenter Roeck [wsa: fixed a typo in the commit message] Signed-off-by: Wolfram Sang Signed-off-by: Sasha Levin --- drivers/i2c/i2c-smbus.c | 38 +++++++++++++++++++++++++++++++++++--- 1 file changed, 35 insertions(+), 3 deletions(-) diff --git a/drivers/i2c/i2c-smbus.c b/drivers/i2c/i2c-smbus.c index dcbc4b29aa72..44582cf29e16 100644 --- a/drivers/i2c/i2c-smbus.c +++ b/drivers/i2c/i2c-smbus.c @@ -65,6 +65,32 @@ static int smbus_do_alert(struct device *dev, void *addrp) return ret; } +/* Same as above, but call back all drivers with alert handler */ + +static int smbus_do_alert_force(struct device *dev, void *addrp) +{ + struct i2c_client *client = i2c_verify_client(dev); + struct alert_data *data = addrp; + struct i2c_driver *driver; + + if (!client || (client->flags & I2C_CLIENT_TEN)) + return 0; + + /* + * Drivers should either disable alerts, or provide at least + * a minimal handler. Lock so the driver won't change. + */ + device_lock(dev); + if (client->dev.driver) { + driver = to_i2c_driver(client->dev.driver); + if (driver->alert) + driver->alert(client, data->type, data->data); + } + device_unlock(dev); + + return 0; +} + /* * The alert IRQ handler needs to hand work off to a task which can issue * SMBus calls, because those sleeping calls can't be made in IRQ context. @@ -106,13 +132,19 @@ static irqreturn_t smbus_alert(int irq, void *d) /* * If we read the same address more than once, and the alert * was not handled by a driver, it won't do any good to repeat - * the loop because it will never terminate. - * Bail out in this case. + * the loop because it will never terminate. Try again, this + * time calling the alert handlers of all devices connected to + * the bus, and abort the loop afterwards. If this helps, we + * are all set. If it doesn't, there is nothing else we can do, + * so we might as well abort the loop. * Note: This assumes that a driver with alert handler handles * the alert properly and clears it if necessary. */ - if (data.addr == prev_addr && status != -EBUSY) + if (data.addr == prev_addr && status != -EBUSY) { + device_for_each_child(&ara->adapter->dev, &data, + smbus_do_alert_force); break; + } prev_addr = data.addr; } From 9ddd5e7835c66c64cd007d9300a2fe7ab64ea554 Mon Sep 17 00:00:00 2001 From: Menglong Dong Date: Mon, 5 Aug 2024 14:01:21 +0900 Subject: [PATCH 285/702] bpf: kprobe: remove unused declaring of bpf_kprobe_override [ Upstream commit 0e8b53979ac86eddb3fd76264025a70071a25574 ] After the commit 66665ad2f102 ("tracing/kprobe: bpf: Compare instruction pointer with original one"), "bpf_kprobe_override" is not used anywhere anymore, and we can remove it now. Link: https://lore.kernel.org/all/20240710085939.11520-1-dongml2@chinatelecom.cn/ Fixes: 66665ad2f102 ("tracing/kprobe: bpf: Compare instruction pointer with original one") Signed-off-by: Menglong Dong Acked-by: Jiri Olsa Signed-off-by: Masami Hiramatsu (Google) Signed-off-by: Sasha Levin --- include/linux/trace_events.h | 1 - 1 file changed, 1 deletion(-) diff --git a/include/linux/trace_events.h b/include/linux/trace_events.h index dbf0993153d3..64af1e11ea13 100644 --- a/include/linux/trace_events.h +++ b/include/linux/trace_events.h @@ -729,7 +729,6 @@ do { \ struct perf_event; DECLARE_PER_CPU(struct pt_regs, perf_trace_regs); -DECLARE_PER_CPU(int, bpf_kprobe_override); extern int perf_trace_init(struct perf_event *event); extern void perf_trace_destroy(struct perf_event *event); From c6ba514732e99679e59c5aa69606a138076169d6 Mon Sep 17 00:00:00 2001 From: "Masami Hiramatsu (Google)" Date: Fri, 2 Aug 2024 22:53:15 +0900 Subject: [PATCH 286/702] kprobes: Fix to check symbol prefixes correctly [ Upstream commit 8c8acb8f26cbde665b233dd1b9bbcbb9b86822dc ] Since str_has_prefix() takes the prefix as the 2nd argument and the string as the first, is_cfi_preamble_symbol() always fails to check the prefix. Fix the function parameter order so that it correctly check the prefix. Link: https://lore.kernel.org/all/172260679559.362040.7360872132937227206.stgit@devnote2/ Fixes: de02f2ac5d8c ("kprobes: Prohibit probing on CFI preamble symbol") Signed-off-by: Masami Hiramatsu (Google) Signed-off-by: Sasha Levin --- kernel/kprobes.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/kernel/kprobes.c b/kernel/kprobes.c index dba6541c0fc3..c8e62458d323 100644 --- a/kernel/kprobes.c +++ b/kernel/kprobes.c @@ -1632,8 +1632,8 @@ static bool is_cfi_preamble_symbol(unsigned long addr) if (lookup_symbol_name(addr, symbuf)) return false; - return str_has_prefix("__cfi_", symbuf) || - str_has_prefix("__pfx_", symbuf); + return str_has_prefix(symbuf, "__cfi_") || + str_has_prefix(symbuf, "__pfx_"); } static int check_kprobe_address_safe(struct kprobe *p, From c9c11ece5ad9f2afe3524b2c8e174af6379f83ae Mon Sep 17 00:00:00 2001 From: Stefan Wahren Date: Sun, 4 Aug 2024 13:36:11 +0200 Subject: [PATCH 287/702] spi: spi-fsl-lpspi: Fix scldiv calculation [ Upstream commit 730bbfaf7d4890bd99e637db7767dc68cfeb24e7 ] The effective SPI clock frequency should never exceed speed_hz otherwise this might result in undefined behavior of the SPI device. Currently the scldiv calculation could violate this constraint. For the example parameters perclk_rate = 24 MHz and speed_hz = 7 MHz, the function fsl_lpspi_set_bitrate will determine perscale = 0 and scldiv = 1, which is a effective SPI clock of 8 MHz. So fix this by rounding up the quotient of perclk_rate and speed_hz. While this never change within the loop, we can pull this out. Fixes: 5314987de5e5 ("spi: imx: add lpspi bus driver") Signed-off-by: Stefan Wahren Link: https://patch.msgid.link/20240804113611.83613-1-wahrenst@gmx.net Signed-off-by: Mark Brown Signed-off-by: Sasha Levin --- drivers/spi/spi-fsl-lpspi.c | 6 ++++-- 1 file changed, 4 insertions(+), 2 deletions(-) diff --git a/drivers/spi/spi-fsl-lpspi.c b/drivers/spi/spi-fsl-lpspi.c index c5ff6e8c45be..c21d7959dcd2 100644 --- a/drivers/spi/spi-fsl-lpspi.c +++ b/drivers/spi/spi-fsl-lpspi.c @@ -297,7 +297,7 @@ static void fsl_lpspi_set_watermark(struct fsl_lpspi_data *fsl_lpspi) static int fsl_lpspi_set_bitrate(struct fsl_lpspi_data *fsl_lpspi) { struct lpspi_config config = fsl_lpspi->config; - unsigned int perclk_rate, scldiv; + unsigned int perclk_rate, scldiv, div; u8 prescale; perclk_rate = clk_get_rate(fsl_lpspi->clk_per); @@ -308,8 +308,10 @@ static int fsl_lpspi_set_bitrate(struct fsl_lpspi_data *fsl_lpspi) return -EINVAL; } + div = DIV_ROUND_UP(perclk_rate, config.speed_hz); + for (prescale = 0; prescale < 8; prescale++) { - scldiv = perclk_rate / config.speed_hz / (1 << prescale) - 2; + scldiv = div / (1 << prescale) - 2; if (scldiv < 256) { fsl_lpspi->config.prescale = prescale; break; From 44e11ae8f942cfdd6bce821251261afee5d105da Mon Sep 17 00:00:00 2001 From: Takashi Iwai Date: Thu, 8 Aug 2024 10:18:01 +0200 Subject: [PATCH 288/702] ALSA: usb-audio: Re-add ScratchAmp quirk entries [ Upstream commit 03898691d42e0170e7d00f07cbe21ce0e9f3a8fa ] At the code refactoring of USB-audio quirk handling, I assumed that the quirk entries of Stanton ScratchAmp devices were only about the device name, and moved them completely into the rename table. But it seems that the device requires the quirk entry so that it's probed by the driver itself. This re-adds back the quirk entries of ScratchAmp, but in a minimalistic manner. Fixes: 5436f59bc5bc ("ALSA: usb-audio: Move device rename and profile quirks to an internal table") Link: https://patch.msgid.link/20240808081803.22300-1-tiwai@suse.de Signed-off-by: Takashi Iwai Signed-off-by: Sasha Levin --- sound/usb/quirks-table.h | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/sound/usb/quirks-table.h b/sound/usb/quirks-table.h index 97fe2fadcafb..8f2fb2ac7af6 100644 --- a/sound/usb/quirks-table.h +++ b/sound/usb/quirks-table.h @@ -2573,6 +2573,10 @@ YAMAHA_DEVICE(0x7010, "UB99"), } }, +/* Stanton ScratchAmp */ +{ USB_DEVICE(0x103d, 0x0100) }, +{ USB_DEVICE(0x103d, 0x0101) }, + /* Novation EMS devices */ { USB_DEVICE_VENDOR_SPEC(0x1235, 0x0001), From 5291d4f73452c91e8a11f71207617e3e234d418e Mon Sep 17 00:00:00 2001 From: Ma Ke Date: Fri, 2 Aug 2024 12:47:36 +0800 Subject: [PATCH 289/702] drm/client: fix null pointer dereference in drm_client_modeset_probe commit 113fd6372a5bb3689aba8ef5b8a265ed1529a78f upstream. In drm_client_modeset_probe(), the return value of drm_mode_duplicate() is assigned to modeset->mode, which will lead to a possible NULL pointer dereference on failure of drm_mode_duplicate(). Add a check to avoid npd. Cc: stable@vger.kernel.org Fixes: cf13909aee05 ("drm/fb-helper: Move out modeset config code") Signed-off-by: Ma Ke Reviewed-by: Thomas Zimmermann Signed-off-by: Thomas Zimmermann Link: https://patchwork.freedesktop.org/patch/msgid/20240802044736.1570345-1-make24@iscas.ac.cn Signed-off-by: Greg Kroah-Hartman --- drivers/gpu/drm/drm_client_modeset.c | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/drivers/gpu/drm/drm_client_modeset.c b/drivers/gpu/drm/drm_client_modeset.c index 7872a04e9a72..3884fab01110 100644 --- a/drivers/gpu/drm/drm_client_modeset.c +++ b/drivers/gpu/drm/drm_client_modeset.c @@ -866,6 +866,11 @@ int drm_client_modeset_probe(struct drm_client_dev *client, unsigned int width, kfree(modeset->mode); modeset->mode = drm_mode_duplicate(dev, mode); + if (!modeset->mode) { + ret = -ENOMEM; + break; + } + drm_connector_get(connector); modeset->connectors[modeset->num_connectors++] = connector; modeset->x = offset->x; From e7e7d2b180d8f297cea6db43ea72402fd33e1a29 Mon Sep 17 00:00:00 2001 From: Takashi Iwai Date: Mon, 5 Aug 2024 15:01:28 +0200 Subject: [PATCH 290/702] ALSA: line6: Fix racy access to midibuf commit 15b7a03205b31bc5623378c190d22b7ff60026f1 upstream. There can be concurrent accesses to line6 midibuf from both the URB completion callback and the rawmidi API access. This could be a cause of KMSAN warning triggered by syzkaller below (so put as reported-by here). This patch protects the midibuf call of the former code path with a spinlock for avoiding the possible races. Reported-by: syzbot+78eccfb8b3c9a85fc6c5@syzkaller.appspotmail.com Closes: https://lore.kernel.org/00000000000000949c061df288c5@google.com Cc: Link: https://patch.msgid.link/20240805130129.10872-1-tiwai@suse.de Signed-off-by: Takashi Iwai Signed-off-by: Greg Kroah-Hartman --- sound/usb/line6/driver.c | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/sound/usb/line6/driver.c b/sound/usb/line6/driver.c index f4437015d43a..9df49a880b75 100644 --- a/sound/usb/line6/driver.c +++ b/sound/usb/line6/driver.c @@ -286,12 +286,14 @@ static void line6_data_received(struct urb *urb) { struct usb_line6 *line6 = (struct usb_line6 *)urb->context; struct midi_buffer *mb = &line6->line6midi->midibuf_in; + unsigned long flags; int done; if (urb->status == -ESHUTDOWN) return; if (line6->properties->capabilities & LINE6_CAP_CONTROL_MIDI) { + spin_lock_irqsave(&line6->line6midi->lock, flags); done = line6_midibuf_write(mb, urb->transfer_buffer, urb->actual_length); @@ -300,12 +302,15 @@ static void line6_data_received(struct urb *urb) dev_dbg(line6->ifcdev, "%d %d buffer overflow - message skipped\n", done, urb->actual_length); } + spin_unlock_irqrestore(&line6->line6midi->lock, flags); for (;;) { + spin_lock_irqsave(&line6->line6midi->lock, flags); done = line6_midibuf_read(mb, line6->buffer_message, LINE6_MIDI_MESSAGE_MAXLEN, LINE6_MIDIBUF_READ_RX); + spin_unlock_irqrestore(&line6->line6midi->lock, flags); if (done <= 0) break; From c7c1ca6e258d885f883b4e077c04e60fca69c144 Mon Sep 17 00:00:00 2001 From: Steven 'Steve' Kendall Date: Tue, 6 Aug 2024 00:08:24 +0000 Subject: [PATCH 291/702] ALSA: hda: Add HP MP9 G4 Retail System AMS to force connect list commit 7e1e206b99f4b3345aeb49d94584a420b7887f1d upstream. In recent HP UEFI firmware (likely v2.15 and above, tested on 2.27), these pins are incorrectly set for HDMI/DP audio. Tested on HP MP9 G4 Retail System AMS. Tested audio with two monitors connected via DisplayPort. Link: https://forum.manjaro.org/t/intel-cannon-lake-pch-cavs-conexant-cx20632-no-sound-at-hdmi-or-displayport/133494 Link: https://bbs.archlinux.org/viewtopic.php?id=270523 Signed-off-by: Steven 'Steve' Kendall Cc: Link: https://patch.msgid.link/20240806-hdmi-audio-hp-wrongpins-v2-1-d9eb4ad41043@chromium.org Signed-off-by: Takashi Iwai Signed-off-by: Greg Kroah-Hartman --- sound/pci/hda/patch_hdmi.c | 1 + 1 file changed, 1 insertion(+) diff --git a/sound/pci/hda/patch_hdmi.c b/sound/pci/hda/patch_hdmi.c index 0d1c6c4c1ee6..d928cc45a61a 100644 --- a/sound/pci/hda/patch_hdmi.c +++ b/sound/pci/hda/patch_hdmi.c @@ -1963,6 +1963,7 @@ static int hdmi_add_cvt(struct hda_codec *codec, hda_nid_t cvt_nid) } static const struct snd_pci_quirk force_connect_list[] = { + SND_PCI_QUIRK(0x103c, 0x83ef, "HP MP9 G4 Retail System AMS", 1), SND_PCI_QUIRK(0x103c, 0x870f, "HP", 1), SND_PCI_QUIRK(0x103c, 0x871a, "HP", 1), SND_PCI_QUIRK(0x103c, 0x8711, "HP", 1), From d993cb25efb18e30bceee398647ffef7b307b5f0 Mon Sep 17 00:00:00 2001 From: Takashi Iwai Date: Tue, 6 Aug 2024 08:49:16 +0200 Subject: [PATCH 292/702] ALSA: hda/hdmi: Yet more pin fix for HP EliteDesk 800 G4 commit 176fd1511dd9086ab4fa9323cb232177c6235288 upstream. HP EliteDesk 800 G4 (PCI SSID 103c:83e2) is another Kabylake machine where BIOS misses the HDMI pin initializations. Add the quirk entry. Cc: Link: https://patch.msgid.link/20240806064918.11132-1-tiwai@suse.de Signed-off-by: Takashi Iwai Signed-off-by: Greg Kroah-Hartman --- sound/pci/hda/patch_hdmi.c | 1 + 1 file changed, 1 insertion(+) diff --git a/sound/pci/hda/patch_hdmi.c b/sound/pci/hda/patch_hdmi.c index d928cc45a61a..0ffab5541de8 100644 --- a/sound/pci/hda/patch_hdmi.c +++ b/sound/pci/hda/patch_hdmi.c @@ -1963,6 +1963,7 @@ static int hdmi_add_cvt(struct hda_codec *codec, hda_nid_t cvt_nid) } static const struct snd_pci_quirk force_connect_list[] = { + SND_PCI_QUIRK(0x103c, 0x83e2, "HP EliteDesk 800 G4", 1), SND_PCI_QUIRK(0x103c, 0x83ef, "HP MP9 G4 Retail System AMS", 1), SND_PCI_QUIRK(0x103c, 0x870f, "HP", 1), SND_PCI_QUIRK(0x103c, 0x871a, "HP", 1), From 4dacdb9720aaab10b6be121eae55820174d97174 Mon Sep 17 00:00:00 2001 From: Oliver Neukum Date: Tue, 9 Jul 2024 13:38:41 +0200 Subject: [PATCH 293/702] usb: vhci-hcd: Do not drop references before new references are gained commit afdcfd3d6fcdeca2735ca8d994c5f2d24a368f0a upstream. At a few places the driver carries stale pointers to references that can still be used. Make sure that does not happen. This strictly speaking closes ZDI-CAN-22273, though there may be similar races in the driver. Signed-off-by: Oliver Neukum Cc: stable Acked-by: Shuah Khan Link: https://lore.kernel.org/r/20240709113851.14691-1-oneukum@suse.com Signed-off-by: Greg Kroah-Hartman --- drivers/usb/usbip/vhci_hcd.c | 9 ++++++--- 1 file changed, 6 insertions(+), 3 deletions(-) diff --git a/drivers/usb/usbip/vhci_hcd.c b/drivers/usb/usbip/vhci_hcd.c index b07b2925ff78..affcb928771d 100644 --- a/drivers/usb/usbip/vhci_hcd.c +++ b/drivers/usb/usbip/vhci_hcd.c @@ -745,6 +745,7 @@ static int vhci_urb_enqueue(struct usb_hcd *hcd, struct urb *urb, gfp_t mem_flag * */ if (usb_pipedevice(urb->pipe) == 0) { + struct usb_device *old; __u8 type = usb_pipetype(urb->pipe); struct usb_ctrlrequest *ctrlreq = (struct usb_ctrlrequest *) urb->setup_packet; @@ -755,14 +756,15 @@ static int vhci_urb_enqueue(struct usb_hcd *hcd, struct urb *urb, gfp_t mem_flag goto no_need_xmit; } + old = vdev->udev; switch (ctrlreq->bRequest) { case USB_REQ_SET_ADDRESS: /* set_address may come when a device is reset */ dev_info(dev, "SetAddress Request (%d) to port %d\n", ctrlreq->wValue, vdev->rhport); - usb_put_dev(vdev->udev); vdev->udev = usb_get_dev(urb->dev); + usb_put_dev(old); spin_lock(&vdev->ud.lock); vdev->ud.status = VDEV_ST_USED; @@ -781,8 +783,8 @@ static int vhci_urb_enqueue(struct usb_hcd *hcd, struct urb *urb, gfp_t mem_flag usbip_dbg_vhci_hc( "Not yet?:Get_Descriptor to device 0 (get max pipe size)\n"); - usb_put_dev(vdev->udev); vdev->udev = usb_get_dev(urb->dev); + usb_put_dev(old); goto out; default: @@ -1095,6 +1097,7 @@ static void vhci_shutdown_connection(struct usbip_device *ud) static void vhci_device_reset(struct usbip_device *ud) { struct vhci_device *vdev = container_of(ud, struct vhci_device, ud); + struct usb_device *old = vdev->udev; unsigned long flags; spin_lock_irqsave(&ud->lock, flags); @@ -1102,8 +1105,8 @@ static void vhci_device_reset(struct usbip_device *ud) vdev->speed = 0; vdev->devid = 0; - usb_put_dev(vdev->udev); vdev->udev = NULL; + usb_put_dev(old); if (ud->tcp_socket) { sockfd_put(ud->tcp_socket); From f1205a5aad682aeb94f8a26f073815bdf8fbf183 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Marek=20Marczykowski-G=C3=B3recki?= Date: Mon, 15 Jul 2024 12:44:53 +0200 Subject: [PATCH 294/702] USB: serial: debug: do not echo input by default MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit commit 00af4f3dda1461ec90d892edc10bec6d3c50c554 upstream. This driver is intended as a "client" end of the console connection. When connected to a host it's supposed to receive debug logs, and possibly allow to interact with whatever debug console is available there. Feeding messages back, depending on a configuration may cause log messages be executed as shell commands (which can be really bad if one is unlucky, imagine a log message like "prevented running `rm -rf /home`"). In case of Xen, it exposes sysrq-like debug interface, and feeding it its own logs will pretty quickly hit 'R' for "instant reboot". Contrary to a classic serial console, the USB one cannot be configured ahead of time, as the device shows up only when target OS is up. And at the time device is opened to execute relevant ioctl, it's already too late, especially when logs start flowing shortly after device is initialized. Avoid the issue by changing default to no echo for this type of devices. Signed-off-by: Marek Marczykowski-Górecki [ johan: amend summary; disable also ECHONL ] Cc: stable@vger.kernel.org Signed-off-by: Johan Hovold Signed-off-by: Greg Kroah-Hartman --- drivers/usb/serial/usb_debug.c | 7 +++++++ 1 file changed, 7 insertions(+) diff --git a/drivers/usb/serial/usb_debug.c b/drivers/usb/serial/usb_debug.c index aaf4813e4971..406cb326e812 100644 --- a/drivers/usb/serial/usb_debug.c +++ b/drivers/usb/serial/usb_debug.c @@ -69,6 +69,11 @@ static void usb_debug_process_read_urb(struct urb *urb) usb_serial_generic_process_read_urb(urb); } +static void usb_debug_init_termios(struct tty_struct *tty) +{ + tty->termios.c_lflag &= ~(ECHO | ECHONL); +} + static struct usb_serial_driver debug_device = { .driver = { .owner = THIS_MODULE, @@ -78,6 +83,7 @@ static struct usb_serial_driver debug_device = { .num_ports = 1, .bulk_out_size = USB_DEBUG_MAX_PACKET_SIZE, .break_ctl = usb_debug_break_ctl, + .init_termios = usb_debug_init_termios, .process_read_urb = usb_debug_process_read_urb, }; @@ -89,6 +95,7 @@ static struct usb_serial_driver dbc_device = { .id_table = dbc_id_table, .num_ports = 1, .break_ctl = usb_debug_break_ctl, + .init_termios = usb_debug_init_termios, .process_read_urb = usb_debug_process_read_urb, }; From 7cc9ebcfe58be22f18056ad8bc6272d120bdcb3e Mon Sep 17 00:00:00 2001 From: Chris Wulff Date: Wed, 24 Jul 2024 21:04:20 -0400 Subject: [PATCH 295/702] usb: gadget: core: Check for unset descriptor commit 973a57891608a98e894db2887f278777f564de18 upstream. Make sure the descriptor has been set before looking at maxpacket. This fixes a null pointer panic in this case. This may happen if the gadget doesn't properly set up the endpoint for the current speed, or the gadget descriptors are malformed and the descriptor for the speed/endpoint are not found. No current gadget driver is known to have this problem, but this may cause a hard-to-find bug during development of new gadgets. Fixes: 54f83b8c8ea9 ("USB: gadget: Reject endpoints with 0 maxpacket value") Cc: stable@vger.kernel.org Signed-off-by: Chris Wulff Link: https://lore.kernel.org/r/20240725010419.314430-2-crwulff@gmail.com Signed-off-by: Greg Kroah-Hartman --- drivers/usb/gadget/udc/core.c | 10 ++++------ 1 file changed, 4 insertions(+), 6 deletions(-) diff --git a/drivers/usb/gadget/udc/core.c b/drivers/usb/gadget/udc/core.c index e80aa717c8b5..dd2fafc5b0c3 100644 --- a/drivers/usb/gadget/udc/core.c +++ b/drivers/usb/gadget/udc/core.c @@ -99,12 +99,10 @@ int usb_ep_enable(struct usb_ep *ep) goto out; /* UDC drivers can't handle endpoints with maxpacket size 0 */ - if (usb_endpoint_maxp(ep->desc) == 0) { - /* - * We should log an error message here, but we can't call - * dev_err() because there's no way to find the gadget - * given only ep. - */ + if (!ep->desc || usb_endpoint_maxp(ep->desc) == 0) { + WARN_ONCE(1, "%s: ep%d (%s) has %s\n", __func__, ep->address, ep->name, + (!ep->desc) ? "NULL descriptor" : "maxpacket 0"); + ret = -EINVAL; goto out; } From ef1b208ca813155d5c982aedb5e8847d276aef4c Mon Sep 17 00:00:00 2001 From: Prashanth K Date: Tue, 30 Jul 2024 18:27:54 +0530 Subject: [PATCH 296/702] usb: gadget: u_serial: Set start_delayed during suspend commit 5a444bea37e2759549ef72bfe83d1c8712e76b3d upstream. Upstream commit aba3a8d01d62 ("usb: gadget: u_serial: add suspend resume callbacks") added started_delayed flag, so that new ports which are opened after USB suspend can start IO while resuming. But if the port was already opened, and gadget suspend kicks in afterwards, start_delayed will never be set. This causes resume to bail out before calling gs_start_io(). Fix this by setting start_delayed during suspend. Fixes: aba3a8d01d62 ("usb: gadget: u_serial: add suspend resume callbacks") Cc: stable@vger.kernel.org Signed-off-by: Prashanth K Link: https://lore.kernel.org/r/20240730125754.576326-1-quic_prashk@quicinc.com Signed-off-by: Greg Kroah-Hartman --- drivers/usb/gadget/function/u_serial.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/usb/gadget/function/u_serial.c b/drivers/usb/gadget/function/u_serial.c index a717b53847a8..03ad1ed83c92 100644 --- a/drivers/usb/gadget/function/u_serial.c +++ b/drivers/usb/gadget/function/u_serial.c @@ -1438,6 +1438,7 @@ void gserial_suspend(struct gserial *gser) spin_lock(&port->port_lock); spin_unlock(&serial_port_lock); port->suspended = true; + port->start_delayed = true; spin_unlock_irqrestore(&port->port_lock, flags); } EXPORT_SYMBOL_GPL(gserial_suspend); From 005c318981bc84bbc79621550d3c0e4de92fa2fe Mon Sep 17 00:00:00 2001 From: Vamshi Gajjela Date: Wed, 24 Jul 2024 19:21:26 +0530 Subject: [PATCH 297/702] scsi: ufs: core: Fix hba->last_dme_cmd_tstamp timestamp updating logic commit ab9fd06cb8f0db0854291833fc40c789e43a361f upstream. The ufshcd_add_delay_before_dme_cmd() always introduces a delay of MIN_DELAY_BEFORE_DME_CMDS_US between DME commands even when it's not required. The delay is added when the UFS host controller supplies the quirk UFSHCD_QUIRK_DELAY_BEFORE_DME_CMDS. Fix the logic to update hba->last_dme_cmd_tstamp to ensure subsequent DME commands have the correct delay in the range of 0 to MIN_DELAY_BEFORE_DME_CMDS_US. Update the timestamp at the end of the function to ensure it captures the latest time after any necessary delay has been applied. Signed-off-by: Vamshi Gajjela Link: https://lore.kernel.org/r/20240724135126.1786126-1-vamshigajjela@google.com Fixes: cad2e03d8607 ("ufs: add support to allow non standard behaviours (quirks)") Cc: stable@vger.kernel.org Reviewed-by: Bart Van Assche Signed-off-by: Martin K. Petersen Signed-off-by: Greg Kroah-Hartman --- drivers/scsi/ufs/ufshcd.c | 11 ++++++++--- 1 file changed, 8 insertions(+), 3 deletions(-) diff --git a/drivers/scsi/ufs/ufshcd.c b/drivers/scsi/ufs/ufshcd.c index 0b0230b46f28..a4c70fbc809f 100644 --- a/drivers/scsi/ufs/ufshcd.c +++ b/drivers/scsi/ufs/ufshcd.c @@ -3653,11 +3653,16 @@ static inline void ufshcd_add_delay_before_dme_cmd(struct ufs_hba *hba) min_sleep_time_us = MIN_DELAY_BEFORE_DME_CMDS_US - delta; else - return; /* no more delay required */ + min_sleep_time_us = 0; /* no more delay required */ } - /* allow sleep for extra 50us if needed */ - usleep_range(min_sleep_time_us, min_sleep_time_us + 50); + if (min_sleep_time_us > 0) { + /* allow sleep for extra 50us if needed */ + usleep_range(min_sleep_time_us, min_sleep_time_us + 50); + } + + /* update the last_dme_cmd_tstamp */ + hba->last_dme_cmd_tstamp = ktime_get(); } /** From 668c6c4a7e9e9f081c06b70f30104fb7013437ed Mon Sep 17 00:00:00 2001 From: Thomas Gleixner Date: Wed, 31 Jul 2024 12:23:51 +0200 Subject: [PATCH 298/702] tick/broadcast: Move per CPU pointer access into the atomic section commit 6881e75237a84093d0986f56223db3724619f26e upstream. The recent fix for making the take over of the broadcast timer more reliable retrieves a per CPU pointer in preemptible context. This went unnoticed as compilers hoist the access into the non-preemptible region where the pointer is actually used. But of course it's valid that the compiler keeps it at the place where the code puts it which rightfully triggers: BUG: using smp_processor_id() in preemptible [00000000] code: caller is hotplug_cpu__broadcast_tick_pull+0x1c/0xc0 Move it to the actual usage site which is in a non-preemptible region. Fixes: f7d43dd206e7 ("tick/broadcast: Make takeover of broadcast hrtimer reliable") Reported-by: David Wang <00107082@163.com> Signed-off-by: Thomas Gleixner Tested-by: Yu Liao Cc: stable@vger.kernel.org Link: https://lore.kernel.org/all/87ttg56ers.ffs@tglx Signed-off-by: Greg Kroah-Hartman --- kernel/time/tick-broadcast.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/kernel/time/tick-broadcast.c b/kernel/time/tick-broadcast.c index 792ef33ba487..dc3838c00d6c 100644 --- a/kernel/time/tick-broadcast.c +++ b/kernel/time/tick-broadcast.c @@ -944,7 +944,6 @@ void tick_broadcast_switch_to_oneshot(void) #ifdef CONFIG_HOTPLUG_CPU void hotplug_cpu__broadcast_tick_pull(int deadcpu) { - struct tick_device *td = this_cpu_ptr(&tick_cpu_device); struct clock_event_device *bc; unsigned long flags; @@ -970,6 +969,8 @@ void hotplug_cpu__broadcast_tick_pull(int deadcpu) * device to avoid the starvation. */ if (tick_check_broadcast_expired()) { + struct tick_device *td = this_cpu_ptr(&tick_cpu_device); + cpumask_clear_cpu(smp_processor_id(), tick_broadcast_force_mask); tick_program_event(td->evtdev->next_event, 1); } From dc335b92e5f1c92f0d9904afff5bc0d9cc112a4c Mon Sep 17 00:00:00 2001 From: Justin Stitt Date: Fri, 17 May 2024 20:22:44 +0000 Subject: [PATCH 299/702] ntp: Clamp maxerror and esterror to operating range [ Upstream commit 87d571d6fb77ec342a985afa8744bb9bb75b3622 ] Using syzkaller alongside the newly reintroduced signed integer overflow sanitizer spits out this report: UBSAN: signed-integer-overflow in ../kernel/time/ntp.c:461:16 9223372036854775807 + 500 cannot be represented in type 'long' Call Trace: handle_overflow+0x171/0x1b0 second_overflow+0x2d6/0x500 accumulate_nsecs_to_secs+0x60/0x160 timekeeping_advance+0x1fe/0x890 update_wall_time+0x10/0x30 time_maxerror is unconditionally incremented and the result is checked against NTP_PHASE_LIMIT, but the increment itself can overflow, resulting in wrap-around to negative space. Before commit eea83d896e31 ("ntp: NTP4 user space bits update") the user supplied value was sanity checked to be in the operating range. That change removed the sanity check and relied on clamping in handle_overflow() which does not work correctly when the user supplied value is in the overflow zone of the '+ 500' operation. The operation requires CAP_SYS_TIME and the side effect of the overflow is NTP getting out of sync. Miroslav confirmed that the input value should be clamped to the operating range and the same applies to time_esterror. The latter is not used by the kernel, but the value still should be in the operating range as it was before the sanity check got removed. Clamp them to the operating range. [ tglx: Changed it to clamping and included time_esterror ] Fixes: eea83d896e31 ("ntp: NTP4 user space bits update") Signed-off-by: Justin Stitt Signed-off-by: Thomas Gleixner Cc: Miroslav Lichvar Link: https://lore.kernel.org/all/20240517-b4-sio-ntp-usec-v2-1-d539180f2b79@google.com Closes: https://github.com/KSPP/linux/issues/354 Signed-off-by: Sasha Levin [ cast things to long long to fix compiler warnings - gregkh ] Signed-off-by: Greg Kroah-Hartman --- kernel/time/ntp.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/kernel/time/ntp.c b/kernel/time/ntp.c index 069ca78fb0bf..f447787a7394 100644 --- a/kernel/time/ntp.c +++ b/kernel/time/ntp.c @@ -679,10 +679,10 @@ static inline void process_adjtimex_modes(const struct __kernel_timex *txc, } if (txc->modes & ADJ_MAXERROR) - time_maxerror = txc->maxerror; + time_maxerror = clamp(txc->maxerror, (long long)0, (long long)NTP_PHASE_LIMIT); if (txc->modes & ADJ_ESTERROR) - time_esterror = txc->esterror; + time_esterror = clamp(txc->esterror, (long long)0, (long long)NTP_PHASE_LIMIT); if (txc->modes & ADJ_TIMECONST) { time_constant = txc->constant; From f098e8fc7227166206256c18d56ab622039108b1 Mon Sep 17 00:00:00 2001 From: Dan Williams Date: Fri, 12 Jul 2024 12:42:09 -0700 Subject: [PATCH 300/702] driver core: Fix uevent_show() vs driver detach race commit 15fffc6a5624b13b428bb1c6e9088e32a55eb82c upstream. uevent_show() wants to de-reference dev->driver->name. There is no clean way for a device attribute to de-reference dev->driver unless that attribute is defined via (struct device_driver).dev_groups. Instead, the anti-pattern of taking the device_lock() in the attribute handler risks deadlocks with code paths that remove device attributes while holding the lock. This deadlock is typically invisible to lockdep given the device_lock() is marked lockdep_set_novalidate_class(), but some subsystems allocate a local lockdep key for @dev->mutex to reveal reports of the form: ====================================================== WARNING: possible circular locking dependency detected 6.10.0-rc7+ #275 Tainted: G OE N ------------------------------------------------------ modprobe/2374 is trying to acquire lock: ffff8c2270070de0 (kn->active#6){++++}-{0:0}, at: __kernfs_remove+0xde/0x220 but task is already holding lock: ffff8c22016e88f8 (&cxl_root_key){+.+.}-{3:3}, at: device_release_driver_internal+0x39/0x210 which lock already depends on the new lock. the existing dependency chain (in reverse order) is: -> #1 (&cxl_root_key){+.+.}-{3:3}: __mutex_lock+0x99/0xc30 uevent_show+0xac/0x130 dev_attr_show+0x18/0x40 sysfs_kf_seq_show+0xac/0xf0 seq_read_iter+0x110/0x450 vfs_read+0x25b/0x340 ksys_read+0x67/0xf0 do_syscall_64+0x75/0x190 entry_SYSCALL_64_after_hwframe+0x76/0x7e -> #0 (kn->active#6){++++}-{0:0}: __lock_acquire+0x121a/0x1fa0 lock_acquire+0xd6/0x2e0 kernfs_drain+0x1e9/0x200 __kernfs_remove+0xde/0x220 kernfs_remove_by_name_ns+0x5e/0xa0 device_del+0x168/0x410 device_unregister+0x13/0x60 devres_release_all+0xb8/0x110 device_unbind_cleanup+0xe/0x70 device_release_driver_internal+0x1c7/0x210 driver_detach+0x47/0x90 bus_remove_driver+0x6c/0xf0 cxl_acpi_exit+0xc/0x11 [cxl_acpi] __do_sys_delete_module.isra.0+0x181/0x260 do_syscall_64+0x75/0x190 entry_SYSCALL_64_after_hwframe+0x76/0x7e The observation though is that driver objects are typically much longer lived than device objects. It is reasonable to perform lockless de-reference of a @driver pointer even if it is racing detach from a device. Given the infrequency of driver unregistration, use synchronize_rcu() in module_remove_driver() to close any potential races. It is potentially overkill to suffer synchronize_rcu() just to handle the rare module removal racing uevent_show() event. Thanks to Tetsuo Handa for the debug analysis of the syzbot report [1]. Fixes: c0a40097f0bc ("drivers: core: synchronize really_probe() and dev_uevent()") Reported-by: syzbot+4762dd74e32532cda5ff@syzkaller.appspotmail.com Reported-by: Tetsuo Handa Closes: http://lore.kernel.org/5aa5558f-90a4-4864-b1b1-5d6784c5607d@I-love.SAKURA.ne.jp [1] Link: http://lore.kernel.org/669073b8ea479_5fffa294c1@dwillia2-xfh.jf.intel.com.notmuch Cc: stable@vger.kernel.org Cc: Ashish Sangwan Cc: Namjae Jeon Cc: Dirk Behme Cc: Greg Kroah-Hartman Cc: Rafael J. Wysocki Signed-off-by: Dan Williams Link: https://lore.kernel.org/r/172081332794.577428.9738802016494057132.stgit@dwillia2-xfh.jf.intel.com Signed-off-by: Greg Kroah-Hartman --- drivers/base/core.c | 13 ++++++++----- drivers/base/module.c | 4 ++++ 2 files changed, 12 insertions(+), 5 deletions(-) diff --git a/drivers/base/core.c b/drivers/base/core.c index b13a60de5a86..b81fd39226ca 100644 --- a/drivers/base/core.c +++ b/drivers/base/core.c @@ -25,6 +25,7 @@ #include #include #include +#include #include #include #include @@ -1909,6 +1910,7 @@ static int dev_uevent(struct kset *kset, struct kobject *kobj, struct kobj_uevent_env *env) { struct device *dev = kobj_to_dev(kobj); + struct device_driver *driver; int retval = 0; /* add device node properties if present */ @@ -1937,8 +1939,12 @@ static int dev_uevent(struct kset *kset, struct kobject *kobj, if (dev->type && dev->type->name) add_uevent_var(env, "DEVTYPE=%s", dev->type->name); - if (dev->driver) - add_uevent_var(env, "DRIVER=%s", dev->driver->name); + /* Synchronize with module_remove_driver() */ + rcu_read_lock(); + driver = READ_ONCE(dev->driver); + if (driver) + add_uevent_var(env, "DRIVER=%s", driver->name); + rcu_read_unlock(); /* Add common DT information about the device */ of_device_uevent(dev, env); @@ -2008,11 +2014,8 @@ static ssize_t uevent_show(struct device *dev, struct device_attribute *attr, if (!env) return -ENOMEM; - /* Synchronize with really_probe() */ - device_lock(dev); /* let the kset specific function add its keys */ retval = kset->uevent_ops->uevent(kset, &dev->kobj, env); - device_unlock(dev); if (retval) goto out; diff --git a/drivers/base/module.c b/drivers/base/module.c index 46ad4d636731..851cc5367c04 100644 --- a/drivers/base/module.c +++ b/drivers/base/module.c @@ -7,6 +7,7 @@ #include #include #include +#include #include "base.h" static char *make_driver_name(struct device_driver *drv) @@ -77,6 +78,9 @@ void module_remove_driver(struct device_driver *drv) if (!drv) return; + /* Synchronize with dev_uevent() */ + synchronize_rcu(); + sysfs_remove_link(&drv->p->kobj, "module"); if (drv->owner) From f3405f4997b0233719afdec7289593f9e2ac9fd0 Mon Sep 17 00:00:00 2001 From: Justin Stitt Date: Fri, 17 May 2024 00:47:10 +0000 Subject: [PATCH 301/702] ntp: Safeguard against time_constant overflow commit 06c03c8edce333b9ad9c6b207d93d3a5ae7c10c0 upstream. Using syzkaller with the recently reintroduced signed integer overflow sanitizer produces this UBSAN report: UBSAN: signed-integer-overflow in ../kernel/time/ntp.c:738:18 9223372036854775806 + 4 cannot be represented in type 'long' Call Trace: handle_overflow+0x171/0x1b0 __do_adjtimex+0x1236/0x1440 do_adjtimex+0x2be/0x740 The user supplied time_constant value is incremented by four and then clamped to the operating range. Before commit eea83d896e31 ("ntp: NTP4 user space bits update") the user supplied value was sanity checked to be in the operating range. That change removed the sanity check and relied on clamping after incrementing which does not work correctly when the user supplied value is in the overflow zone of the '+ 4' operation. The operation requires CAP_SYS_TIME and the side effect of the overflow is NTP getting out of sync. Similar to the fixups for time_maxerror and time_esterror, clamp the user space supplied value to the operating range. [ tglx: Switch to clamping ] Fixes: eea83d896e31 ("ntp: NTP4 user space bits update") Signed-off-by: Justin Stitt Signed-off-by: Thomas Gleixner Cc: Miroslav Lichvar Cc: stable@vger.kernel.org Link: https://lore.kernel.org/all/20240517-b4-sio-ntp-c-v2-1-f3a80096f36f@google.com Closes: https://github.com/KSPP/linux/issues/352 Signed-off-by: Greg Kroah-Hartman --- kernel/time/ntp.c | 5 ++--- 1 file changed, 2 insertions(+), 3 deletions(-) diff --git a/kernel/time/ntp.c b/kernel/time/ntp.c index f447787a7394..02d96c007673 100644 --- a/kernel/time/ntp.c +++ b/kernel/time/ntp.c @@ -685,11 +685,10 @@ static inline void process_adjtimex_modes(const struct __kernel_timex *txc, time_esterror = clamp(txc->esterror, (long long)0, (long long)NTP_PHASE_LIMIT); if (txc->modes & ADJ_TIMECONST) { - time_constant = txc->constant; + time_constant = clamp(txc->constant, (long long)0, (long long)MAXTC); if (!(time_status & STA_NANO)) time_constant += 4; - time_constant = min(time_constant, (long)MAXTC); - time_constant = max(time_constant, 0l); + time_constant = clamp(time_constant, (long)0, (long)MAXTC); } if (txc->modes & ADJ_TAI && From 8f209716ea5ec9d954d8f328583245b49d5fd151 Mon Sep 17 00:00:00 2001 From: Sreekanth Reddy Date: Thu, 3 Mar 2022 19:32:03 +0530 Subject: [PATCH 302/702] scsi: mpt3sas: Remove scsi_dma_map() error messages [ Upstream commit 0c25422d34b4726b2707d5f38560943155a91b80 ] When scsi_dma_map() fails by returning a sges_left value less than zero, the amount of logging produced can be extremely high. In a recent end-user environment, 1200 messages per second were being sent to the log buffer. This eventually overwhelmed the system and it stalled. These error messages are not needed. Remove them. Link: https://lore.kernel.org/r/20220303140203.12642-1-sreekanth.reddy@broadcom.com Suggested-by: Christoph Hellwig Signed-off-by: Sreekanth Reddy Signed-off-by: Martin K. Petersen Stable-dep-of: 82dbb57ac8d0 ("scsi: mpt3sas: Avoid IOMMU page faults on REPORT ZONES") Signed-off-by: Sasha Levin --- drivers/scsi/mpt3sas/mpt3sas_base.c | 18 +++--------------- 1 file changed, 3 insertions(+), 15 deletions(-) diff --git a/drivers/scsi/mpt3sas/mpt3sas_base.c b/drivers/scsi/mpt3sas/mpt3sas_base.c index 2803b475dae6..de4ec552799d 100644 --- a/drivers/scsi/mpt3sas/mpt3sas_base.c +++ b/drivers/scsi/mpt3sas/mpt3sas_base.c @@ -2431,12 +2431,8 @@ _base_check_pcie_native_sgl(struct MPT3SAS_ADAPTER *ioc, /* Get the SG list pointer and info. */ sges_left = scsi_dma_map(scmd); - if (sges_left < 0) { - sdev_printk(KERN_ERR, scmd->device, - "scsi_dma_map failed: request for %d bytes!\n", - scsi_bufflen(scmd)); + if (sges_left < 0) return 1; - } /* Check if we need to build a native SG list. */ if (base_is_prp_possible(ioc, pcie_device, @@ -2543,12 +2539,8 @@ _base_build_sg_scmd(struct MPT3SAS_ADAPTER *ioc, sg_scmd = scsi_sglist(scmd); sges_left = scsi_dma_map(scmd); - if (sges_left < 0) { - sdev_printk(KERN_ERR, scmd->device, - "scsi_dma_map failed: request for %d bytes!\n", - scsi_bufflen(scmd)); + if (sges_left < 0) return -ENOMEM; - } sg_local = &mpi_request->SGL; sges_in_segment = ioc->max_sges_in_main_message; @@ -2691,12 +2683,8 @@ _base_build_sg_scmd_ieee(struct MPT3SAS_ADAPTER *ioc, sg_scmd = scsi_sglist(scmd); sges_left = scsi_dma_map(scmd); - if (sges_left < 0) { - sdev_printk(KERN_ERR, scmd->device, - "scsi_dma_map failed: request for %d bytes!\n", - scsi_bufflen(scmd)); + if (sges_left < 0) return -ENOMEM; - } sg_local = &mpi_request->SGL; sges_in_segment = (ioc->request_sz - From 5f1aa8ce6452cefa5e56dad4ecd888f1d8f35f05 Mon Sep 17 00:00:00 2001 From: Damien Le Moal Date: Fri, 19 Jul 2024 16:39:12 +0900 Subject: [PATCH 303/702] scsi: mpt3sas: Avoid IOMMU page faults on REPORT ZONES [ Upstream commit 82dbb57ac8d06dfe8227ba9ab11a49de2b475ae5 ] Some firmware versions of the 9600 series SAS HBA byte-swap the REPORT ZONES command reply buffer from ATA-ZAC devices by directly accessing the buffer in the host memory. This does not respect the default command DMA direction and causes IOMMU page faults on architectures with an IOMMU enforcing write-only mappings for DMA_FROM_DEVICE DMA driection (e.g. AMD hosts). scsi 18:0:0:0: Direct-Access-ZBC ATA WDC WSH722020AL W870 PQ: 0 ANSI: 6 scsi 18:0:0:0: SATA: handle(0x0027), sas_addr(0x300062b2083e7c40), phy(0), device_name(0x5000cca29dc35e11) scsi 18:0:0:0: enclosure logical id (0x300062b208097c40), slot(0) scsi 18:0:0:0: enclosure level(0x0000), connector name( C0.0) scsi 18:0:0:0: atapi(n), ncq(y), asyn_notify(n), smart(y), fua(y), sw_preserve(y) scsi 18:0:0:0: qdepth(32), tagged(1), scsi_level(7), cmd_que(1) sd 18:0:0:0: Attached scsi generic sg2 type 20 sd 18:0:0:0: [sdc] Host-managed zoned block device mpt3sas 0000:41:00.0: AMD-Vi: Event logged [IO_PAGE_FAULT domain=0x0021 address=0xfff9b200 flags=0x0050] mpt3sas 0000:41:00.0: AMD-Vi: Event logged [IO_PAGE_FAULT domain=0x0021 address=0xfff9b300 flags=0x0050] mpt3sas_cm0: mpt3sas_ctl_pre_reset_handler: Releasing the trace buffer due to adapter reset. mpt3sas_cm0 fault info from func: mpt3sas_base_make_ioc_ready mpt3sas_cm0: fault_state(0x2666)! mpt3sas_cm0: sending diag reset !! mpt3sas_cm0: diag reset: SUCCESS sd 18:0:0:0: [sdc] REPORT ZONES start lba 0 failed sd 18:0:0:0: [sdc] REPORT ZONES: Result: hostbyte=DID_RESET driverbyte=DRIVER_OK sd 18:0:0:0: [sdc] 0 4096-byte logical blocks: (0 B/0 B) Avoid such issue by always mapping the buffer of REPORT ZONES commands using DMA_BIDIRECTIONAL (read+write IOMMU mapping). This is done by introducing the helper function _base_scsi_dma_map() and using this helper in _base_build_sg_scmd() and _base_build_sg_scmd_ieee() instead of calling directly scsi_dma_map(). Fixes: 471ef9d4e498 ("mpt3sas: Build MPI SGL LIST on GEN2 HBAs and IEEE SGL LIST on GEN3 HBAs") Cc: stable@vger.kernel.org Signed-off-by: Damien Le Moal Link: https://lore.kernel.org/r/20240719073913.179559-3-dlemoal@kernel.org Reviewed-by: Christoph Hellwig Reviewed-by: Johannes Thumshirn Signed-off-by: Martin K. Petersen Signed-off-by: Sasha Levin --- drivers/scsi/mpt3sas/mpt3sas_base.c | 20 ++++++++++++++++++-- 1 file changed, 18 insertions(+), 2 deletions(-) diff --git a/drivers/scsi/mpt3sas/mpt3sas_base.c b/drivers/scsi/mpt3sas/mpt3sas_base.c index de4ec552799d..53528711dac1 100644 --- a/drivers/scsi/mpt3sas/mpt3sas_base.c +++ b/drivers/scsi/mpt3sas/mpt3sas_base.c @@ -2492,6 +2492,22 @@ _base_build_zero_len_sge_ieee(struct MPT3SAS_ADAPTER *ioc, void *paddr) _base_add_sg_single_ieee(paddr, sgl_flags, 0, 0, -1); } +static inline int _base_scsi_dma_map(struct scsi_cmnd *cmd) +{ + /* + * Some firmware versions byte-swap the REPORT ZONES command reply from + * ATA-ZAC devices by directly accessing in the host buffer. This does + * not respect the default command DMA direction and causes IOMMU page + * faults on some architectures with an IOMMU enforcing write mappings + * (e.g. AMD hosts). Avoid such issue by making the report zones buffer + * mapping bi-directional. + */ + if (cmd->cmnd[0] == ZBC_IN && cmd->cmnd[1] == ZI_REPORT_ZONES) + cmd->sc_data_direction = DMA_BIDIRECTIONAL; + + return scsi_dma_map(cmd); +} + /** * _base_build_sg_scmd - main sg creation routine * pcie_device is unused here! @@ -2538,7 +2554,7 @@ _base_build_sg_scmd(struct MPT3SAS_ADAPTER *ioc, sgl_flags = sgl_flags << MPI2_SGE_FLAGS_SHIFT; sg_scmd = scsi_sglist(scmd); - sges_left = scsi_dma_map(scmd); + sges_left = _base_scsi_dma_map(scmd); if (sges_left < 0) return -ENOMEM; @@ -2682,7 +2698,7 @@ _base_build_sg_scmd_ieee(struct MPT3SAS_ADAPTER *ioc, } sg_scmd = scsi_sglist(scmd); - sges_left = scsi_dma_map(scmd); + sges_left = _base_scsi_dma_map(scmd); if (sges_left < 0) return -ENOMEM; From 7dddf560e2381eb3e1d6fcc890cd082dbf255ee1 Mon Sep 17 00:00:00 2001 From: Qianggui Song Date: Fri, 25 Feb 2022 13:52:04 +0800 Subject: [PATCH 304/702] irqchip/meson-gpio: support more than 8 channels gpio irq [ Upstream commit cc311074f681443266ed9f5969a5b5a0e833c5bc ] Current meson gpio irqchip driver only support 8 channels for gpio irq line, later chips may have more then 8 channels, so need to modify code to support more. Signed-off-by: Qianggui Song Signed-off-by: Marc Zyngier Link: https://lore.kernel.org/r/20220225055207.1048-3-qianggui.song@amlogic.com Stable-dep-of: f872d4af79fe ("irqchip/meson-gpio: Convert meson_gpio_irq_controller::lock to 'raw_spinlock_t'") Signed-off-by: Sasha Levin --- drivers/irqchip/irq-meson-gpio.c | 21 ++++++++++++--------- 1 file changed, 12 insertions(+), 9 deletions(-) diff --git a/drivers/irqchip/irq-meson-gpio.c b/drivers/irqchip/irq-meson-gpio.c index e50676ce2ec8..89dab14406e6 100644 --- a/drivers/irqchip/irq-meson-gpio.c +++ b/drivers/irqchip/irq-meson-gpio.c @@ -16,7 +16,7 @@ #include #include -#define NUM_CHANNEL 8 +#define MAX_NUM_CHANNEL 64 #define MAX_INPUT_MUX 256 #define REG_EDGE_POL 0x00 @@ -60,6 +60,7 @@ struct irq_ctl_ops { struct meson_gpio_irq_params { unsigned int nr_hwirq; + unsigned int nr_channels; bool support_edge_both; unsigned int edge_both_offset; unsigned int edge_single_offset; @@ -81,6 +82,7 @@ struct meson_gpio_irq_params { .edge_single_offset = 0, \ .pol_low_offset = 16, \ .pin_sel_mask = 0xff, \ + .nr_channels = 8, \ #define INIT_MESON_A1_COMMON_DATA(irqs) \ INIT_MESON_COMMON(irqs, meson_a1_gpio_irq_init, \ @@ -90,6 +92,7 @@ struct meson_gpio_irq_params { .edge_single_offset = 8, \ .pol_low_offset = 0, \ .pin_sel_mask = 0x7f, \ + .nr_channels = 8, \ static const struct meson_gpio_irq_params meson8_params = { INIT_MESON8_COMMON_DATA(134) @@ -136,8 +139,8 @@ static const struct of_device_id meson_irq_gpio_matches[] = { struct meson_gpio_irq_controller { const struct meson_gpio_irq_params *params; void __iomem *base; - u32 channel_irqs[NUM_CHANNEL]; - DECLARE_BITMAP(channel_map, NUM_CHANNEL); + u32 channel_irqs[MAX_NUM_CHANNEL]; + DECLARE_BITMAP(channel_map, MAX_NUM_CHANNEL); spinlock_t lock; }; @@ -207,8 +210,8 @@ meson_gpio_irq_request_channel(struct meson_gpio_irq_controller *ctl, spin_lock_irqsave(&ctl->lock, flags); /* Find a free channel */ - idx = find_first_zero_bit(ctl->channel_map, NUM_CHANNEL); - if (idx >= NUM_CHANNEL) { + idx = find_first_zero_bit(ctl->channel_map, ctl->params->nr_channels); + if (idx >= ctl->params->nr_channels) { spin_unlock_irqrestore(&ctl->lock, flags); pr_err("No channel available\n"); return -ENOSPC; @@ -451,10 +454,10 @@ static int __init meson_gpio_irq_parse_dt(struct device_node *node, ret = of_property_read_variable_u32_array(node, "amlogic,channel-interrupts", ctl->channel_irqs, - NUM_CHANNEL, - NUM_CHANNEL); + ctl->params->nr_channels, + ctl->params->nr_channels); if (ret < 0) { - pr_err("can't get %d channel interrupts\n", NUM_CHANNEL); + pr_err("can't get %d channel interrupts\n", ctl->params->nr_channels); return ret; } @@ -509,7 +512,7 @@ static int __init meson_gpio_irq_of_init(struct device_node *node, } pr_info("%d to %d gpio interrupt mux initialized\n", - ctl->params->nr_hwirq, NUM_CHANNEL); + ctl->params->nr_hwirq, ctl->params->nr_channels); return 0; From 227d455e6cec2404fec6b4e3a8c6a37c4120d187 Mon Sep 17 00:00:00 2001 From: Arseniy Krasnov Date: Mon, 29 Jul 2024 16:18:50 +0300 Subject: [PATCH 305/702] irqchip/meson-gpio: Convert meson_gpio_irq_controller::lock to 'raw_spinlock_t' [ Upstream commit f872d4af79fe8c71ae291ce8875b477e1669a6c7 ] This lock is acquired under irq_desc::lock with interrupts disabled. When PREEMPT_RT is enabled, 'spinlock_t' becomes preemptible, which results in invalid lock acquire context; [ BUG: Invalid wait context ] swapper/0/1 is trying to lock: ffff0000008fed30 (&ctl->lock){....}-{3:3}, at: meson_gpio_irq_update_bits0 other info that might help us debug this: context-{5:5} 3 locks held by swapper/0/1: #0: ffff0000003cd0f8 (&dev->mutex){....}-{4:4}, at: __driver_attach+0x90c #1: ffff000004714650 (&desc->request_mutex){+.+.}-{4:4}, at: __setup_irq0 #2: ffff0000047144c8 (&irq_desc_lock_class){-.-.}-{2:2}, at: __setup_irq0 stack backtrace: CPU: 1 PID: 1 Comm: swapper/0 Not tainted 6.9.9-sdkernel #1 Call trace: _raw_spin_lock_irqsave+0x60/0x88 meson_gpio_irq_update_bits+0x34/0x70 meson8_gpio_irq_set_type+0x78/0xc4 meson_gpio_irq_set_type+0x30/0x60 __irq_set_trigger+0x60/0x180 __setup_irq+0x30c/0x6e0 request_threaded_irq+0xec/0x1a4 Fixes: 215f4cc0fb20 ("irqchip/meson: Add support for gpio interrupt controller") Signed-off-by: Arseniy Krasnov Signed-off-by: Thomas Gleixner Cc: stable@vger.kernel.org Link: https://lore.kernel.org/all/20240729131850.3015508-1-avkrasnov@salutedevices.com Signed-off-by: Sasha Levin --- drivers/irqchip/irq-meson-gpio.c | 14 +++++++------- 1 file changed, 7 insertions(+), 7 deletions(-) diff --git a/drivers/irqchip/irq-meson-gpio.c b/drivers/irqchip/irq-meson-gpio.c index 89dab14406e6..6a3d18d5ba2f 100644 --- a/drivers/irqchip/irq-meson-gpio.c +++ b/drivers/irqchip/irq-meson-gpio.c @@ -141,7 +141,7 @@ struct meson_gpio_irq_controller { void __iomem *base; u32 channel_irqs[MAX_NUM_CHANNEL]; DECLARE_BITMAP(channel_map, MAX_NUM_CHANNEL); - spinlock_t lock; + raw_spinlock_t lock; }; static void meson_gpio_irq_update_bits(struct meson_gpio_irq_controller *ctl, @@ -150,14 +150,14 @@ static void meson_gpio_irq_update_bits(struct meson_gpio_irq_controller *ctl, unsigned long flags; u32 tmp; - spin_lock_irqsave(&ctl->lock, flags); + raw_spin_lock_irqsave(&ctl->lock, flags); tmp = readl_relaxed(ctl->base + reg); tmp &= ~mask; tmp |= val; writel_relaxed(tmp, ctl->base + reg); - spin_unlock_irqrestore(&ctl->lock, flags); + raw_spin_unlock_irqrestore(&ctl->lock, flags); } static void meson_gpio_irq_init_dummy(struct meson_gpio_irq_controller *ctl) @@ -207,12 +207,12 @@ meson_gpio_irq_request_channel(struct meson_gpio_irq_controller *ctl, unsigned long flags; unsigned int idx; - spin_lock_irqsave(&ctl->lock, flags); + raw_spin_lock_irqsave(&ctl->lock, flags); /* Find a free channel */ idx = find_first_zero_bit(ctl->channel_map, ctl->params->nr_channels); if (idx >= ctl->params->nr_channels) { - spin_unlock_irqrestore(&ctl->lock, flags); + raw_spin_unlock_irqrestore(&ctl->lock, flags); pr_err("No channel available\n"); return -ENOSPC; } @@ -220,7 +220,7 @@ meson_gpio_irq_request_channel(struct meson_gpio_irq_controller *ctl, /* Mark the channel as used */ set_bit(idx, ctl->channel_map); - spin_unlock_irqrestore(&ctl->lock, flags); + raw_spin_unlock_irqrestore(&ctl->lock, flags); /* * Setup the mux of the channel to route the signal of the pad @@ -488,7 +488,7 @@ static int __init meson_gpio_irq_of_init(struct device_node *node, if (!ctl) return -ENOMEM; - spin_lock_init(&ctl->lock); + raw_spin_lock_init(&ctl->lock); ctl->base = of_iomap(node, 0); if (!ctl->base) { From 52b138f1021113e593ee6ad258ce08fe90693a9e Mon Sep 17 00:00:00 2001 From: George Kennedy Date: Wed, 17 Jul 2024 07:24:38 -0500 Subject: [PATCH 306/702] serial: core: check uartclk for zero to avoid divide by zero commit 6eabce6608d6f3440f4c03aa3d3ef50a47a3d193 upstream. Calling ioctl TIOCSSERIAL with an invalid baud_base can result in uartclk being zero, which will result in a divide by zero error in uart_get_divisor(). The check for uartclk being zero in uart_set_info() needs to be done before other settings are made as subsequent calls to ioctl TIOCSSERIAL for the same port would be impacted if the uartclk check was done where uartclk gets set. Oops: divide error: 0000 PREEMPT SMP KASAN PTI RIP: 0010:uart_get_divisor (drivers/tty/serial/serial_core.c:580) Call Trace: serial8250_get_divisor (drivers/tty/serial/8250/8250_port.c:2576 drivers/tty/serial/8250/8250_port.c:2589) serial8250_do_set_termios (drivers/tty/serial/8250/8250_port.c:502 drivers/tty/serial/8250/8250_port.c:2741) serial8250_set_termios (drivers/tty/serial/8250/8250_port.c:2862) uart_change_line_settings (./include/linux/spinlock.h:376 ./include/linux/serial_core.h:608 drivers/tty/serial/serial_core.c:222) uart_port_startup (drivers/tty/serial/serial_core.c:342) uart_startup (drivers/tty/serial/serial_core.c:368) uart_set_info (drivers/tty/serial/serial_core.c:1034) uart_set_info_user (drivers/tty/serial/serial_core.c:1059) tty_set_serial (drivers/tty/tty_io.c:2637) tty_ioctl (drivers/tty/tty_io.c:2647 drivers/tty/tty_io.c:2791) __x64_sys_ioctl (fs/ioctl.c:52 fs/ioctl.c:907 fs/ioctl.c:893 fs/ioctl.c:893) do_syscall_64 (arch/x86/entry/common.c:52 (discriminator 1) arch/x86/entry/common.c:83 (discriminator 1)) entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) Reported-by: syzkaller Cc: stable@vger.kernel.org Signed-off-by: George Kennedy Rule: add Link: https://lore.kernel.org/stable/1721148848-9784-1-git-send-email-george.kennedy%40oracle.com Link: https://lore.kernel.org/r/1721219078-3209-1-git-send-email-george.kennedy@oracle.com Signed-off-by: Greg Kroah-Hartman --- drivers/tty/serial/serial_core.c | 8 ++++++++ 1 file changed, 8 insertions(+) diff --git a/drivers/tty/serial/serial_core.c b/drivers/tty/serial/serial_core.c index 10b8785b9982..c7adcf97e2a3 100644 --- a/drivers/tty/serial/serial_core.c +++ b/drivers/tty/serial/serial_core.c @@ -862,6 +862,14 @@ static int uart_set_info(struct tty_struct *tty, struct tty_port *port, new_flags = (__force upf_t)new_info->flags; old_custom_divisor = uport->custom_divisor; + if (!(uport->flags & UPF_FIXED_PORT)) { + unsigned int uartclk = new_info->baud_base * 16; + /* check needs to be done here before other settings made */ + if (uartclk == 0) { + retval = -EINVAL; + goto exit; + } + } if (!capable(CAP_SYS_ADMIN)) { retval = -EPERM; if (change_irq || change_port || From db959cdfe67b9f15dc6f1fb4b65f02261e6092c7 Mon Sep 17 00:00:00 2001 From: Radhey Shyam Pandey Date: Fri, 9 Aug 2024 12:32:24 +0530 Subject: [PATCH 307/702] irqchip/xilinx: Fix shift out of bounds commit d73f0f49daa84176c3beee1606e73c7ffb6af8b2 upstream. The device tree property 'xlnx,kind-of-intr' is sanity checked that the bitmask contains only set bits which are in the range of the number of interrupts supported by the controller. The check is done by shifting the mask right by the number of supported interrupts and checking the result for zero. The data type of the mask is u32 and the number of supported interrupts is up to 32. In case of 32 interrupts the shift is out of bounds, resulting in a mismatch warning. The out of bounds condition is also reported by UBSAN: UBSAN: shift-out-of-bounds in irq-xilinx-intc.c:332:22 shift exponent 32 is too large for 32-bit type 'unsigned int' Fix it by promoting the mask to u64 for the test. Fixes: d50466c90724 ("microblaze: intc: Refactor DT sanity check") Signed-off-by: Radhey Shyam Pandey Signed-off-by: Thomas Gleixner Cc: stable@vger.kernel.org Link: https://lore.kernel.org/all/1723186944-3571957-1-git-send-email-radhey.shyam.pandey@amd.com Signed-off-by: Greg Kroah-Hartman --- drivers/irqchip/irq-xilinx-intc.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/irqchip/irq-xilinx-intc.c b/drivers/irqchip/irq-xilinx-intc.c index 8cd1bfc73057..b48c3fb4b35e 100644 --- a/drivers/irqchip/irq-xilinx-intc.c +++ b/drivers/irqchip/irq-xilinx-intc.c @@ -201,7 +201,7 @@ static int __init xilinx_intc_of_init(struct device_node *intc, irqc->intr_mask = 0; } - if (irqc->intr_mask >> irqc->nr_irq) + if ((u64)irqc->intr_mask >> irqc->nr_irq) pr_warn("irq-xilinx: mismatch in kind-of-intr param\n"); pr_info("irq-xilinx: %pOF: num_irq=%d, edge=0x%x\n", From a26bcfeea300fa38bbdaa0715f647e606e44a0ee Mon Sep 17 00:00:00 2001 From: Shay Drory Date: Tue, 6 Aug 2024 10:20:44 +0300 Subject: [PATCH 308/702] genirq/irqdesc: Honor caller provided affinity in alloc_desc() commit edbbaae42a56f9a2b39c52ef2504dfb3fb0a7858 upstream. Currently, whenever a caller is providing an affinity hint for an interrupt, the allocation code uses it to calculate the node and copies the cpumask into irq_desc::affinity. If the affinity for the interrupt is not marked 'managed' then the startup of the interrupt ignores irq_desc::affinity and uses the system default affinity mask. Prevent this by setting the IRQD_AFFINITY_SET flag for the interrupt in the allocator, which causes irq_setup_affinity() to use irq_desc::affinity on interrupt startup if the mask contains an online CPU. [ tglx: Massaged changelog ] Fixes: 45ddcecbfa94 ("genirq: Use affinity hint in irqdesc allocation") Signed-off-by: Shay Drory Signed-off-by: Thomas Gleixner Cc: Link: https://lore.kernel.org/all/20240806072044.837827-1-shayd@nvidia.com Signed-off-by: Greg Kroah-Hartman --- kernel/irq/irqdesc.c | 1 + 1 file changed, 1 insertion(+) diff --git a/kernel/irq/irqdesc.c b/kernel/irq/irqdesc.c index 6c009a033c73..68183511226a 100644 --- a/kernel/irq/irqdesc.c +++ b/kernel/irq/irqdesc.c @@ -491,6 +491,7 @@ static int alloc_descs(unsigned int start, unsigned int cnt, int node, flags = IRQD_AFFINITY_MANAGED | IRQD_MANAGED_SHUTDOWN; } + flags |= IRQD_AFFINITY_SET; mask = &affinity->mask; node = cpu_to_node(cpumask_first(mask)); affinity++; From 51e8360d94b44360ab39171fef17fdc42347813f Mon Sep 17 00:00:00 2001 From: Hans de Goede Date: Wed, 17 Jul 2024 22:03:32 +0200 Subject: [PATCH 309/702] power: supply: axp288_charger: Fix constant_charge_voltage writes commit b34ce4a59cfe9cd0d6f870e6408e8ec88a964585 upstream. info->max_cv is in millivolts, divide the microvolt value being written to constant_charge_voltage by 1000 *before* clamping it to info->max_cv. Before this fix the code always tried to set constant_charge_voltage to max_cv / 1000 = 4 millivolt, which ends up in setting it to 4.1V which is the lowest supported value. Fixes: 843735b788a4 ("power: axp288_charger: axp288 charger driver") Cc: stable@vger.kernel.org Signed-off-by: Hans de Goede Link: https://lore.kernel.org/r/20240717200333.56669-1-hdegoede@redhat.com Signed-off-by: Sebastian Reichel Signed-off-by: Greg Kroah-Hartman --- drivers/power/supply/axp288_charger.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/power/supply/axp288_charger.c b/drivers/power/supply/axp288_charger.c index f65bf7b295c5..a65357094147 100644 --- a/drivers/power/supply/axp288_charger.c +++ b/drivers/power/supply/axp288_charger.c @@ -371,8 +371,8 @@ static int axp288_charger_usb_set_property(struct power_supply *psy, dev_warn(&info->pdev->dev, "set charge current failed\n"); break; case POWER_SUPPLY_PROP_CONSTANT_CHARGE_VOLTAGE: - scaled_val = min(val->intval, info->max_cv); - scaled_val = DIV_ROUND_CLOSEST(scaled_val, 1000); + scaled_val = DIV_ROUND_CLOSEST(val->intval, 1000); + scaled_val = min(scaled_val, info->max_cv); ret = axp288_charger_set_cv(info, scaled_val); if (ret < 0) dev_warn(&info->pdev->dev, "set charge voltage failed\n"); From ca2ea2dec107b742f4b21eb8f85e5d8256afe9fa Mon Sep 17 00:00:00 2001 From: Hans de Goede Date: Wed, 17 Jul 2024 22:03:33 +0200 Subject: [PATCH 310/702] power: supply: axp288_charger: Round constant_charge_voltage writes down commit 81af7f2342d162e24ac820c10e68684d9f927663 upstream. Round constant_charge_voltage writes down to the first supported lower value, rather then rounding them up to the first supported higher value. This fixes e.g. writing 4250000 resulting in a value of 4350000 which might be dangerous, instead writing 4250000 will now result in a safe 4200000 value. Fixes: 843735b788a4 ("power: axp288_charger: axp288 charger driver") Cc: stable@vger.kernel.org Signed-off-by: Hans de Goede Link: https://lore.kernel.org/r/20240717200333.56669-2-hdegoede@redhat.com Signed-off-by: Sebastian Reichel Signed-off-by: Greg Kroah-Hartman --- drivers/power/supply/axp288_charger.c | 20 ++++++++++---------- 1 file changed, 10 insertions(+), 10 deletions(-) diff --git a/drivers/power/supply/axp288_charger.c b/drivers/power/supply/axp288_charger.c index a65357094147..c4f1a2bac333 100644 --- a/drivers/power/supply/axp288_charger.c +++ b/drivers/power/supply/axp288_charger.c @@ -168,18 +168,18 @@ static inline int axp288_charger_set_cv(struct axp288_chrg_info *info, int cv) u8 reg_val; int ret; - if (cv <= CV_4100MV) { - reg_val = CHRG_CCCV_CV_4100MV; - cv = CV_4100MV; - } else if (cv <= CV_4150MV) { - reg_val = CHRG_CCCV_CV_4150MV; - cv = CV_4150MV; - } else if (cv <= CV_4200MV) { - reg_val = CHRG_CCCV_CV_4200MV; - cv = CV_4200MV; - } else { + if (cv >= CV_4350MV) { reg_val = CHRG_CCCV_CV_4350MV; cv = CV_4350MV; + } else if (cv >= CV_4200MV) { + reg_val = CHRG_CCCV_CV_4200MV; + cv = CV_4200MV; + } else if (cv >= CV_4150MV) { + reg_val = CHRG_CCCV_CV_4150MV; + cv = CV_4150MV; + } else { + reg_val = CHRG_CCCV_CV_4100MV; + cv = CV_4100MV; } reg_val = reg_val << CHRG_CCCV_CV_BIT_POS; From eb223bf01e688dfe37e813c8988ee11c8c9f8d0a Mon Sep 17 00:00:00 2001 From: Tze-nan Wu Date: Mon, 5 Aug 2024 13:59:22 +0800 Subject: [PATCH 311/702] tracing: Fix overflow in get_free_elt() commit bcf86c01ca4676316557dd482c8416ece8c2e143 upstream. "tracing_map->next_elt" in get_free_elt() is at risk of overflowing. Once it overflows, new elements can still be inserted into the tracing_map even though the maximum number of elements (`max_elts`) has been reached. Continuing to insert elements after the overflow could result in the tracing_map containing "tracing_map->max_size" elements, leaving no empty entries. If any attempt is made to insert an element into a full tracing_map using `__tracing_map_insert()`, it will cause an infinite loop with preemption disabled, leading to a CPU hang problem. Fix this by preventing any further increments to "tracing_map->next_elt" once it reaches "tracing_map->max_elt". Cc: stable@vger.kernel.org Cc: Masami Hiramatsu Fixes: 08d43a5fa063e ("tracing: Add lock-free tracing_map") Co-developed-by: Cheng-Jui Wang Link: https://lore.kernel.org/20240805055922.6277-1-Tze-nan.Wu@mediatek.com Signed-off-by: Cheng-Jui Wang Signed-off-by: Tze-nan Wu Signed-off-by: Steven Rostedt (Google) Signed-off-by: Greg Kroah-Hartman --- kernel/trace/tracing_map.c | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) diff --git a/kernel/trace/tracing_map.c b/kernel/trace/tracing_map.c index d47641f9740b..e6cc8d5ab1a4 100644 --- a/kernel/trace/tracing_map.c +++ b/kernel/trace/tracing_map.c @@ -454,7 +454,7 @@ static struct tracing_map_elt *get_free_elt(struct tracing_map *map) struct tracing_map_elt *elt = NULL; int idx; - idx = atomic_inc_return(&map->next_elt); + idx = atomic_fetch_add_unless(&map->next_elt, 1, map->max_elts); if (idx < map->max_elts) { elt = *(TRACING_MAP_ELT(map->elts, idx)); if (map->ops && map->ops->elt_init) @@ -699,7 +699,7 @@ void tracing_map_clear(struct tracing_map *map) { unsigned int i; - atomic_set(&map->next_elt, -1); + atomic_set(&map->next_elt, 0); atomic64_set(&map->hits, 0); atomic64_set(&map->drops, 0); @@ -783,7 +783,7 @@ struct tracing_map *tracing_map_create(unsigned int map_bits, map->map_bits = map_bits; map->max_elts = (1 << map_bits); - atomic_set(&map->next_elt, -1); + atomic_set(&map->next_elt, 0); map->map_size = (1 << (map_bits + 1)); map->ops = ops; From ab8b397d5997d8c37610252528edc54bebf9f6d3 Mon Sep 17 00:00:00 2001 From: Waiman Long Date: Tue, 6 Aug 2024 13:46:47 -0400 Subject: [PATCH 312/702] padata: Fix possible divide-by-0 panic in padata_mt_helper() commit 6d45e1c948a8b7ed6ceddb14319af69424db730c upstream. We are hit with a not easily reproducible divide-by-0 panic in padata.c at bootup time. [ 10.017908] Oops: divide error: 0000 1 PREEMPT SMP NOPTI [ 10.017908] CPU: 26 PID: 2627 Comm: kworker/u1666:1 Not tainted 6.10.0-15.el10.x86_64 #1 [ 10.017908] Hardware name: Lenovo ThinkSystem SR950 [7X12CTO1WW]/[7X12CTO1WW], BIOS [PSE140J-2.30] 07/20/2021 [ 10.017908] Workqueue: events_unbound padata_mt_helper [ 10.017908] RIP: 0010:padata_mt_helper+0x39/0xb0 : [ 10.017963] Call Trace: [ 10.017968] [ 10.018004] ? padata_mt_helper+0x39/0xb0 [ 10.018084] process_one_work+0x174/0x330 [ 10.018093] worker_thread+0x266/0x3a0 [ 10.018111] kthread+0xcf/0x100 [ 10.018124] ret_from_fork+0x31/0x50 [ 10.018138] ret_from_fork_asm+0x1a/0x30 [ 10.018147] Looking at the padata_mt_helper() function, the only way a divide-by-0 panic can happen is when ps->chunk_size is 0. The way that chunk_size is initialized in padata_do_multithreaded(), chunk_size can be 0 when the min_chunk in the passed-in padata_mt_job structure is 0. Fix this divide-by-0 panic by making sure that chunk_size will be at least 1 no matter what the input parameters are. Link: https://lkml.kernel.org/r/20240806174647.1050398-1-longman@redhat.com Fixes: 004ed42638f4 ("padata: add basic support for multithreaded jobs") Signed-off-by: Waiman Long Cc: Daniel Jordan Cc: Steffen Klassert Cc: Waiman Long Cc: Signed-off-by: Andrew Morton Signed-off-by: Greg Kroah-Hartman --- kernel/padata.c | 7 +++++++ 1 file changed, 7 insertions(+) diff --git a/kernel/padata.c b/kernel/padata.c index 471ccbc44541..2a514cf8379b 100644 --- a/kernel/padata.c +++ b/kernel/padata.c @@ -521,6 +521,13 @@ void __init padata_do_multithreaded(struct padata_mt_job *job) ps.chunk_size = max(ps.chunk_size, job->min_chunk); ps.chunk_size = roundup(ps.chunk_size, job->align); + /* + * chunk_size can be 0 if the caller sets min_chunk to 0. So force it + * to at least 1 to prevent divide-by-0 panic in padata_mt_helper().` + */ + if (!ps.chunk_size) + ps.chunk_size = 1U; + list_for_each_entry(pw, &works, pw_list) queue_work(system_unbound_wq, &pw->pw_work); From 450b6b22acdaac67a18eaf5ed498421ffcf10051 Mon Sep 17 00:00:00 2001 From: Andi Kleen Date: Wed, 7 Aug 2024 17:02:44 -0700 Subject: [PATCH 313/702] x86/mtrr: Check if fixed MTRRs exist before saving them commit 919f18f961c03d6694aa726c514184f2311a4614 upstream. MTRRs have an obsolete fixed variant for fine grained caching control of the 640K-1MB region that uses separate MSRs. This fixed variant has a separate capability bit in the MTRR capability MSR. So far all x86 CPUs which support MTRR have this separate bit set, so it went unnoticed that mtrr_save_state() does not check the capability bit before accessing the fixed MTRR MSRs. Though on a CPU that does not support the fixed MTRR capability this results in a #GP. The #GP itself is harmless because the RDMSR fault is handled gracefully, but results in a WARN_ON(). Add the missing capability check to prevent this. Fixes: 2b1f6278d77c ("[PATCH] x86: Save the MTRRs of the BSP before booting an AP") Signed-off-by: Andi Kleen Signed-off-by: Thomas Gleixner Cc: stable@vger.kernel.org Link: https://lore.kernel.org/all/20240808000244.946864-1-ak@linux.intel.com Signed-off-by: Greg Kroah-Hartman --- arch/x86/kernel/cpu/mtrr/mtrr.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/arch/x86/kernel/cpu/mtrr/mtrr.c b/arch/x86/kernel/cpu/mtrr/mtrr.c index 5f436cb4f7c4..9d5313118660 100644 --- a/arch/x86/kernel/cpu/mtrr/mtrr.c +++ b/arch/x86/kernel/cpu/mtrr/mtrr.c @@ -817,7 +817,7 @@ void mtrr_save_state(void) { int first_cpu; - if (!mtrr_enabled()) + if (!mtrr_enabled() || !mtrr_state.have_fixed) return; first_cpu = cpumask_first(cpu_online_mask); From fd65cf86ca3c3db49e56488fd66f75212124071c Mon Sep 17 00:00:00 2001 From: Lucas Stach Date: Mon, 18 Mar 2024 21:39:23 +0100 Subject: [PATCH 314/702] drm/bridge: analogix_dp: properly handle zero sized AUX transactions commit e82290a2e0e8ec5e836ecad1ca025021b3855c2d upstream. Address only transactions without any data are valid and should not be flagged as short transactions. Simply return the message size when no transaction errors occured. CC: stable@vger.kernel.org Signed-off-by: Lucas Stach Reviewed-by: Robert Foss Signed-off-by: Robert Foss Link: https://patchwork.freedesktop.org/patch/msgid/20240318203925.2837689-1-l.stach@pengutronix.de Signed-off-by: Greg Kroah-Hartman --- drivers/gpu/drm/bridge/analogix/analogix_dp_reg.c | 5 +---- 1 file changed, 1 insertion(+), 4 deletions(-) diff --git a/drivers/gpu/drm/bridge/analogix/analogix_dp_reg.c b/drivers/gpu/drm/bridge/analogix/analogix_dp_reg.c index cab3f5c4e2fc..37c62794e213 100644 --- a/drivers/gpu/drm/bridge/analogix/analogix_dp_reg.c +++ b/drivers/gpu/drm/bridge/analogix/analogix_dp_reg.c @@ -1115,7 +1115,6 @@ ssize_t analogix_dp_transfer(struct analogix_dp_device *dp, u32 status_reg; u8 *buffer = msg->buffer; unsigned int i; - int num_transferred = 0; int ret; /* Buffer size of AUX CH is 16 bytes */ @@ -1167,7 +1166,6 @@ ssize_t analogix_dp_transfer(struct analogix_dp_device *dp, reg = buffer[i]; writel(reg, dp->reg_base + ANALOGIX_DP_BUF_DATA_0 + 4 * i); - num_transferred++; } } @@ -1215,7 +1213,6 @@ ssize_t analogix_dp_transfer(struct analogix_dp_device *dp, reg = readl(dp->reg_base + ANALOGIX_DP_BUF_DATA_0 + 4 * i); buffer[i] = (unsigned char)reg; - num_transferred++; } } @@ -1232,7 +1229,7 @@ ssize_t analogix_dp_transfer(struct analogix_dp_device *dp, (msg->request & ~DP_AUX_I2C_MOT) == DP_AUX_NATIVE_READ) msg->reply = DP_AUX_NATIVE_REPLY_ACK; - return num_transferred > 0 ? num_transferred : -EBUSY; + return msg->size; aux_error: /* if aux err happen, reset aux */ From 32b133fb7833996b4f01230bde4718cb4950a85c Mon Sep 17 00:00:00 2001 From: Thomas Zimmermann Date: Mon, 13 May 2024 14:51:06 +0200 Subject: [PATCH 315/702] drm/mgag200: Set DDC timeout in milliseconds commit ecde5db1598aecab54cc392282c15114f526f05f upstream. Compute the i2c timeout in jiffies from a value in milliseconds. The original values of 2 jiffies equals 2 milliseconds if HZ has been configured to a value of 1000. This corresponds to 2.2 milliseconds used by most other DRM drivers. Update mgag200 accordingly. Signed-off-by: Thomas Zimmermann Reviewed-by: Jocelyn Falempe Fixes: 414c45310625 ("mgag200: initial g200se driver (v2)") Cc: Dave Airlie Cc: Maarten Lankhorst Cc: Maxime Ripard Cc: Thomas Zimmermann Cc: Jocelyn Falempe Cc: dri-devel@lists.freedesktop.org Cc: # v3.5+ Link: https://patchwork.freedesktop.org/patch/msgid/20240513125620.6337-2-tzimmermann@suse.de Signed-off-by: Greg Kroah-Hartman --- drivers/gpu/drm/mgag200/mgag200_i2c.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/gpu/drm/mgag200/mgag200_i2c.c b/drivers/gpu/drm/mgag200/mgag200_i2c.c index 09731e614e46..40cda2468332 100644 --- a/drivers/gpu/drm/mgag200/mgag200_i2c.c +++ b/drivers/gpu/drm/mgag200/mgag200_i2c.c @@ -134,7 +134,7 @@ struct mga_i2c_chan *mgag200_i2c_create(struct drm_device *dev) i2c->adapter.algo_data = &i2c->bit; i2c->bit.udelay = 10; - i2c->bit.timeout = 2; + i2c->bit.timeout = usecs_to_jiffies(2200); i2c->bit.data = i2c; i2c->bit.setsda = mga_gpio_setsda; i2c->bit.setscl = mga_gpio_setscl; From 381cad7a0873c09dbae81137716ee3387a15148e Mon Sep 17 00:00:00 2001 From: "Matthieu Baerts (NGI0)" Date: Fri, 9 Aug 2024 12:54:13 +0200 Subject: [PATCH 316/702] mptcp: sched: check both directions for backup commit b6a66e521a2032f7fcba2af5a9bcbaeaa19b7ca3 upstream. The 'mptcp_subflow_context' structure has two items related to the backup flags: - 'backup': the subflow has been marked as backup by the other peer - 'request_bkup': the backup flag has been set by the host Before this patch, the scheduler was only looking at the 'backup' flag. That can make sense in some cases, but it looks like that's not what we wanted for the general use, because either the path-manager was setting both of them when sending an MP_PRIO, or the receiver was duplicating the 'backup' flag in the subflow request. Note that the use of these two flags in the path-manager are going to be fixed in the next commits, but this change here is needed not to modify the behaviour. Fixes: f296234c98a8 ("mptcp: Add handling of incoming MP_JOIN requests") Cc: stable@vger.kernel.org Reviewed-by: Mat Martineau Signed-off-by: Matthieu Baerts (NGI0) Signed-off-by: Paolo Abeni [ Conflicts in protocol.c, because the context has changed in commit 3ce0852c86b9 ("mptcp: enforce HoL-blocking estimation") and in commit 33d41c9cd74c ("mptcp: more accurate timeout"), which are not in this version. This commit is unrelated to this modification. Note that the tracepoint is not in this version, see commit e10a98920976 ("mptcp: add tracepoint in mptcp_subflow_get_send"). ] Signed-off-by: Matthieu Baerts (NGI0) Signed-off-by: Greg Kroah-Hartman --- net/mptcp/protocol.c | 10 ++++++---- 1 file changed, 6 insertions(+), 4 deletions(-) diff --git a/net/mptcp/protocol.c b/net/mptcp/protocol.c index a36493bbf895..a343b3077458 100644 --- a/net/mptcp/protocol.c +++ b/net/mptcp/protocol.c @@ -1124,11 +1124,13 @@ static struct sock *mptcp_subflow_get_send(struct mptcp_sock *msk, send_info[i].ratio = -1; } mptcp_for_each_subflow(msk, subflow) { + bool backup = subflow->backup || subflow->request_bkup; + ssk = mptcp_subflow_tcp_sock(subflow); if (!mptcp_subflow_active(subflow)) continue; - nr_active += !subflow->backup; + nr_active += !backup; *sndbuf = max(tcp_sk(ssk)->snd_wnd, *sndbuf); if (!sk_stream_memory_free(subflow->tcp_sock)) continue; @@ -1139,9 +1141,9 @@ static struct sock *mptcp_subflow_get_send(struct mptcp_sock *msk, ratio = div_u64((u64)READ_ONCE(ssk->sk_wmem_queued) << 32, pace); - if (ratio < send_info[subflow->backup].ratio) { - send_info[subflow->backup].ssk = ssk; - send_info[subflow->backup].ratio = ratio; + if (ratio < send_info[backup].ratio) { + send_info[backup].ssk = ssk; + send_info[backup].ratio = ratio; } } From 1008f2bcbc8e461c1df3aebba30ac4f616ebe570 Mon Sep 17 00:00:00 2001 From: "Matthieu Baerts (NGI0)" Date: Fri, 9 Aug 2024 12:54:31 +0200 Subject: [PATCH 317/702] mptcp: distinguish rcv vs sent backup flag in requests commit efd340bf3d7779a3a8ec954d8ec0fb8a10f24982 upstream. When sending an MP_JOIN + SYN + ACK, it is possible to mark the subflow as 'backup' by setting the flag with the same name. Before this patch, the backup was set if the other peer set it in its MP_JOIN + SYN request. It is not correct: the backup flag should be set in the MPJ+SYN+ACK only if the host asks for it, and not mirroring what was done by the other peer. It is then required to have a dedicated bit for each direction, similar to what is done in the subflow context. Fixes: f296234c98a8 ("mptcp: Add handling of incoming MP_JOIN requests") Cc: stable@vger.kernel.org Reviewed-by: Mat Martineau Signed-off-by: Matthieu Baerts (NGI0) Signed-off-by: Paolo Abeni [ Conflicts in subflow.c, because the context has changed in commit 4cf86ae84c71 ("mptcp: strict local address ID selection"), and in commit 967d3c27127e ("mptcp: fix data races on remote_id"), which are not in this version. These commits are unrelated to this modification. Same in protocol.h, with commit bab6b88e0560 ("mptcp: add allow_join_id0 in mptcp_out_options"). ] Signed-off-by: Matthieu Baerts (NGI0) Signed-off-by: Greg Kroah-Hartman --- net/mptcp/options.c | 2 +- net/mptcp/protocol.h | 3 ++- net/mptcp/subflow.c | 1 + 3 files changed, 4 insertions(+), 2 deletions(-) diff --git a/net/mptcp/options.c b/net/mptcp/options.c index c389d7e47135..f7a91266d5a9 100644 --- a/net/mptcp/options.c +++ b/net/mptcp/options.c @@ -708,7 +708,7 @@ bool mptcp_synack_options(const struct request_sock *req, unsigned int *size, return true; } else if (subflow_req->mp_join) { opts->suboptions = OPTION_MPTCP_MPJ_SYNACK; - opts->backup = subflow_req->backup; + opts->backup = subflow_req->request_bkup; opts->join_id = subflow_req->local_id; opts->thmac = subflow_req->thmac; opts->nonce = subflow_req->local_nonce; diff --git a/net/mptcp/protocol.h b/net/mptcp/protocol.h index 3e5af8397434..b5978bb4022f 100644 --- a/net/mptcp/protocol.h +++ b/net/mptcp/protocol.h @@ -261,7 +261,8 @@ struct mptcp_subflow_request_sock { struct tcp_request_sock sk; u16 mp_capable : 1, mp_join : 1, - backup : 1; + backup : 1, + request_bkup : 1; u8 local_id; u8 remote_id; u64 local_key; diff --git a/net/mptcp/subflow.c b/net/mptcp/subflow.c index 823a92b21c6c..a59c731d7fed 100644 --- a/net/mptcp/subflow.c +++ b/net/mptcp/subflow.c @@ -1395,6 +1395,7 @@ static void subflow_ulp_clone(const struct request_sock *req, new_ctx->mp_join = 1; new_ctx->fully_established = 1; new_ctx->backup = subflow_req->backup; + new_ctx->request_bkup = subflow_req->request_bkup; new_ctx->local_id = subflow_req->local_id; new_ctx->remote_id = subflow_req->remote_id; new_ctx->token = subflow_req->token; From 96f3c8a85021e48a00c0be6221bfc6fe2c8d0a5e Mon Sep 17 00:00:00 2001 From: Paolo Abeni Date: Fri, 9 Aug 2024 12:54:50 +0200 Subject: [PATCH 318/702] mptcp: fix NL PM announced address accounting commit 4b317e0eb287bd30a1b329513531157c25e8b692 upstream. Currently the per connection announced address counter is never decreased. As a consequence, after connection establishment, if the NL PM deletes an endpoint and adds a new/different one, no additional subflow is created for the new endpoint even if the current limits allow that. Address the issue properly updating the signaled address counter every time the NL PM removes such addresses. Fixes: 01cacb00b35c ("mptcp: add netlink-based PM") Cc: stable@vger.kernel.org Signed-off-by: Paolo Abeni Reviewed-by: Matthieu Baerts (NGI0) Signed-off-by: Matthieu Baerts (NGI0) Signed-off-by: David S. Miller [ Conflicts in pm_netlink.c, because the commit 06faa2271034 ("mptcp: remove multi addresses and subflows in PM") is not in this version. Only the modification in mptcp_pm_remove_anno_addr() is then needed. ] Signed-off-by: Matthieu Baerts (NGI0) Signed-off-by: Greg Kroah-Hartman --- net/mptcp/pm_netlink.c | 1 + 1 file changed, 1 insertion(+) diff --git a/net/mptcp/pm_netlink.c b/net/mptcp/pm_netlink.c index 452c7e21befd..7f4d84f5189b 100644 --- a/net/mptcp/pm_netlink.c +++ b/net/mptcp/pm_netlink.c @@ -759,6 +759,7 @@ static bool mptcp_pm_remove_anno_addr(struct mptcp_sock *msk, ret = remove_anno_list_by_saddr(msk, addr); if (ret || force) { spin_lock_bh(&msk->pm.lock); + msk->pm.add_addr_signaled -= ret; mptcp_pm_remove_addr(msk, addr->id); spin_unlock_bh(&msk->pm.lock); } From 9b9a64ef9a1adba5983bd70ac3b8b4ba64f66821 Mon Sep 17 00:00:00 2001 From: "Matthieu Baerts (NGI0)" Date: Fri, 9 Aug 2024 12:55:15 +0200 Subject: [PATCH 319/702] mptcp: mib: count MPJ with backup flag commit 4dde0d72ccec500c60c798e036b852e013d6e124 upstream. Without such counters, it is difficult to easily debug issues with MPJ not having the backup flags on production servers. This is not strictly a fix, but it eases to validate the following patches without requiring to take packet traces, to query ongoing connections with Netlink with admin permissions, or to guess by looking at the behaviour of the packet scheduler. Also, the modification is self contained, isolated, well controlled, and the increments are done just after others, there from the beginning. It looks then safe, and helpful to backport this. Fixes: 4596a2c1b7f5 ("mptcp: allow creating non-backup subflows") Cc: stable@vger.kernel.org Reviewed-by: Mat Martineau Signed-off-by: Matthieu Baerts (NGI0) Signed-off-by: Paolo Abeni [ Conflicts in subflow.c because the context has changed in commit b3ea6b272d79 ("mptcp: consolidate initial ack seq generation") and commit 5bc56388c74f ("mptcp: add port number check for MP_JOIN") which are not in this version. These commits are unrelated to this modification. ] Signed-off-by: Matthieu Baerts (NGI0) Signed-off-by: Greg Kroah-Hartman --- net/mptcp/mib.c | 2 ++ net/mptcp/mib.h | 2 ++ net/mptcp/subflow.c | 6 ++++++ 3 files changed, 10 insertions(+) diff --git a/net/mptcp/mib.c b/net/mptcp/mib.c index b921cbdd9aaa..f4034e000f3e 100644 --- a/net/mptcp/mib.c +++ b/net/mptcp/mib.c @@ -16,7 +16,9 @@ static const struct snmp_mib mptcp_snmp_list[] = { SNMP_MIB_ITEM("MPTCPRetrans", MPTCP_MIB_RETRANSSEGS), SNMP_MIB_ITEM("MPJoinNoTokenFound", MPTCP_MIB_JOINNOTOKEN), SNMP_MIB_ITEM("MPJoinSynRx", MPTCP_MIB_JOINSYNRX), + SNMP_MIB_ITEM("MPJoinSynBackupRx", MPTCP_MIB_JOINSYNBACKUPRX), SNMP_MIB_ITEM("MPJoinSynAckRx", MPTCP_MIB_JOINSYNACKRX), + SNMP_MIB_ITEM("MPJoinSynAckBackupRx", MPTCP_MIB_JOINSYNACKBACKUPRX), SNMP_MIB_ITEM("MPJoinSynAckHMacFailure", MPTCP_MIB_JOINSYNACKMAC), SNMP_MIB_ITEM("MPJoinAckRx", MPTCP_MIB_JOINACKRX), SNMP_MIB_ITEM("MPJoinAckHMacFailure", MPTCP_MIB_JOINACKMAC), diff --git a/net/mptcp/mib.h b/net/mptcp/mib.h index 47bcecce1106..a9f43ff00b3c 100644 --- a/net/mptcp/mib.h +++ b/net/mptcp/mib.h @@ -9,7 +9,9 @@ enum linux_mptcp_mib_field { MPTCP_MIB_RETRANSSEGS, /* Segments retransmitted at the MPTCP-level */ MPTCP_MIB_JOINNOTOKEN, /* Received MP_JOIN but the token was not found */ MPTCP_MIB_JOINSYNRX, /* Received a SYN + MP_JOIN */ + MPTCP_MIB_JOINSYNBACKUPRX, /* Received a SYN + MP_JOIN + backup flag */ MPTCP_MIB_JOINSYNACKRX, /* Received a SYN/ACK + MP_JOIN */ + MPTCP_MIB_JOINSYNACKBACKUPRX, /* Received a SYN/ACK + MP_JOIN + backup flag */ MPTCP_MIB_JOINSYNACKMAC, /* HMAC was wrong on SYN/ACK + MP_JOIN */ MPTCP_MIB_JOINACKRX, /* Received an ACK + MP_JOIN */ MPTCP_MIB_JOINACKMAC, /* HMAC was wrong on ACK + MP_JOIN */ diff --git a/net/mptcp/subflow.c b/net/mptcp/subflow.c index a59c731d7fed..f4067484727e 100644 --- a/net/mptcp/subflow.c +++ b/net/mptcp/subflow.c @@ -135,6 +135,9 @@ static void subflow_init_req(struct request_sock *req, return; } else if (mp_opt.mp_join) { SUBFLOW_REQ_INC_STATS(req, MPTCP_MIB_JOINSYNRX); + + if (mp_opt.backup) + SUBFLOW_REQ_INC_STATS(req, MPTCP_MIB_JOINSYNBACKUPRX); } if (mp_opt.mp_capable && listener->request_mptcp) { @@ -347,6 +350,9 @@ static void subflow_finish_connect(struct sock *sk, const struct sk_buff *skb) subflow->mp_join = 1; MPTCP_INC_STATS(sock_net(sk), MPTCP_MIB_JOINSYNACKRX); + + if (subflow->backup) + MPTCP_INC_STATS(sock_net(sk), MPTCP_MIB_JOINSYNACKBACKUPRX); } else if (mptcp_check_fallback(sk)) { fallback: mptcp_rcv_space_init(mptcp_sk(parent), sk); From 44165604dd6e62de432198af4b428a910b97edaa Mon Sep 17 00:00:00 2001 From: Geliang Tang Date: Fri, 9 Aug 2024 12:55:39 +0200 Subject: [PATCH 320/702] mptcp: export local_address commit dc886bce753cc2cf3c88ec5c7a6880a4e17d65ba upstream. Rename local_address() with "mptcp_" prefix and export it in protocol.h. This function will be re-used in the common PM code (pm.c) in the following commit. Signed-off-by: Geliang Tang Reviewed-by: Matthieu Baerts Signed-off-by: Matthieu Baerts Reviewed-by: Larysa Zaremba Signed-off-by: Jakub Kicinski Stable-dep-of: 6834097fc38c ("mptcp: pm: fix backup support in signal endpoints") [ Conflicts in pm_netlink.c and protocol.h, because the context has changed in commit 4638de5aefe5 ("mptcp: handle local addrs announced by userspace PMs") which is not in this version. This commit is unrelated to this modification. Also some parts using 'local_address' are not in this version, that's OK, we don't need to do anything with them. ] Signed-off-by: Matthieu Baerts (NGI0) Signed-off-by: Greg Kroah-Hartman --- net/mptcp/pm_netlink.c | 9 ++++----- net/mptcp/protocol.h | 1 + 2 files changed, 5 insertions(+), 5 deletions(-) diff --git a/net/mptcp/pm_netlink.c b/net/mptcp/pm_netlink.c index 7f4d84f5189b..6a0079d42dc4 100644 --- a/net/mptcp/pm_netlink.c +++ b/net/mptcp/pm_netlink.c @@ -84,8 +84,7 @@ static bool address_zero(const struct mptcp_addr_info *addr) return addresses_equal(addr, &zero, false); } -static void local_address(const struct sock_common *skc, - struct mptcp_addr_info *addr) +void mptcp_local_address(const struct sock_common *skc, struct mptcp_addr_info *addr) { addr->port = 0; addr->family = skc->skc_family; @@ -120,7 +119,7 @@ static bool lookup_subflow_by_saddr(const struct list_head *list, list_for_each_entry(subflow, list, node) { skc = (struct sock_common *)mptcp_subflow_tcp_sock(subflow); - local_address(skc, &cur); + mptcp_local_address(skc, &cur); if (addresses_equal(&cur, saddr, false)) return true; } @@ -533,8 +532,8 @@ int mptcp_pm_nl_get_local_id(struct mptcp_sock *msk, struct sock_common *skc) /* The 0 ID mapping is defined by the first subflow, copied into the msk * addr */ - local_address((struct sock_common *)msk, &msk_local); - local_address((struct sock_common *)skc, &skc_local); + mptcp_local_address((struct sock_common *)msk, &msk_local); + mptcp_local_address((struct sock_common *)skc, &skc_local); if (addresses_equal(&msk_local, &skc_local, false)) return 0; diff --git a/net/mptcp/protocol.h b/net/mptcp/protocol.h index b5978bb4022f..ddfc7bde8c90 100644 --- a/net/mptcp/protocol.h +++ b/net/mptcp/protocol.h @@ -372,6 +372,7 @@ void __mptcp_close_ssk(struct sock *sk, struct sock *ssk, struct mptcp_subflow_context *subflow, long timeout); void mptcp_subflow_reset(struct sock *ssk); +void mptcp_local_address(const struct sock_common *skc, struct mptcp_addr_info *addr); /* called with sk socket lock held */ int __mptcp_subflow_connect(struct sock *sk, const struct mptcp_addr_info *loc, From 3f84b37abb8f3a62fa0ebba6b9b50b9f2fdd1a23 Mon Sep 17 00:00:00 2001 From: "Matthieu Baerts (NGI0)" Date: Fri, 9 Aug 2024 12:55:40 +0200 Subject: [PATCH 321/702] mptcp: pm: fix backup support in signal endpoints commit 6834097fc38c5416701c793da94558cea49c0a1f upstream. There was a support for signal endpoints, but only when the endpoint's flag was changed during a connection. If an endpoint with the signal and backup was already present, the MP_JOIN reply was not containing the backup flag as expected. That's confusing to have this inconsistent behaviour. On the other hand, the infrastructure to set the backup flag in the SYN + ACK + MP_JOIN was already there, it was just never set before. Now when requesting the local ID from the path-manager, the backup status is also requested. Note that when the userspace PM is used, the backup flag can be set if the local address was already used before with a backup flag, e.g. if the address was announced with the 'backup' flag, or a subflow was created with the 'backup' flag. Fixes: 4596a2c1b7f5 ("mptcp: allow creating non-backup subflows") Cc: stable@vger.kernel.org Closes: https://github.com/multipath-tcp/mptcp_net-next/issues/507 Reviewed-by: Mat Martineau Signed-off-by: Matthieu Baerts (NGI0) Signed-off-by: Paolo Abeni [ Conflicts in pm_userspace.c because the context has changed in commit 1e07938e29c5 ("net: mptcp: rename netlink handlers to mptcp_pm_nl__{doit,dumpit}") which is not in this version. This commit is unrelated to this modification. Conflicts in protocol.h because the context has changed in commit 9ae7846c4b6b ("mptcp: dump addrs in userspace pm list") which is not in this version. This commit is unrelated to this modification. Conflicts in pm.c because the context has changed in commit f40be0db0b76 ("mptcp: unify pm get_flags_and_ifindex_by_id") and commit 71b7dec27f34 ("mptcp: less aggressive retransmission strategy") which are not in this version. These commits are unrelated to this modification. Conflicts in subflow.c, because the commit 4cf86ae84c71 ("mptcp: strict local address ID selection") is not in this version. It is then not needed to modify the subflow_chk_local_id() helper, which is not in this version. Also, in this version, there is no pm_userspace.c, because this PM has been added in v5.19, which also causes conflicts in protocol.h, and pm_netlink.c. Plus the code in pm.c can be simplified, as there is no userspace PM. And the code in pm_netlink.c needs to use addresses_equal() instead of mptcp_addresses_equal(), see commit 4638de5aefe5 ("mptcp: handle local addrs announced by userspace PMs"). The code in pm_netlink.c also needs to be adapted because the pm_nl_get_pernet_from_msk() helper is not in this version, introduced later in commit c682bf536cf4 ("mptcp: add pm_nl_pernet helpers"), and also because the 'flags' are in mptcp_addr_info structure, see commit daa83ab03954 ("mptcp: move flags and ifindex out of mptcp_addr_info"). ] Signed-off-by: Matthieu Baerts (NGI0) Signed-off-by: Matthieu Baerts (NGI0) Signed-off-by: Greg Kroah-Hartman --- net/mptcp/pm.c | 9 +++++++++ net/mptcp/pm_netlink.c | 20 ++++++++++++++++++++ net/mptcp/protocol.h | 2 ++ net/mptcp/subflow.c | 1 + 4 files changed, 32 insertions(+) diff --git a/net/mptcp/pm.c b/net/mptcp/pm.c index e19e1525ecbb..1f310abbf1ed 100644 --- a/net/mptcp/pm.c +++ b/net/mptcp/pm.c @@ -225,6 +225,15 @@ int mptcp_pm_get_local_id(struct mptcp_sock *msk, struct sock_common *skc) return mptcp_pm_nl_get_local_id(msk, skc); } +bool mptcp_pm_is_backup(struct mptcp_sock *msk, struct sock_common *skc) +{ + struct mptcp_addr_info skc_local; + + mptcp_local_address((struct sock_common *)skc, &skc_local); + + return mptcp_pm_nl_is_backup(msk, &skc_local); +} + void mptcp_pm_data_init(struct mptcp_sock *msk) { msk->pm.add_addr_signaled = 0; diff --git a/net/mptcp/pm_netlink.c b/net/mptcp/pm_netlink.c index 6a0079d42dc4..ca57d856d5df 100644 --- a/net/mptcp/pm_netlink.c +++ b/net/mptcp/pm_netlink.c @@ -568,6 +568,26 @@ int mptcp_pm_nl_get_local_id(struct mptcp_sock *msk, struct sock_common *skc) return ret; } +bool mptcp_pm_nl_is_backup(struct mptcp_sock *msk, struct mptcp_addr_info *skc) +{ + struct mptcp_pm_addr_entry *entry; + struct pm_nl_pernet *pernet; + bool backup = false; + + pernet = net_generic(sock_net((struct sock *)msk), pm_nl_pernet_id); + + rcu_read_lock(); + list_for_each_entry_rcu(entry, &pernet->local_addr_list, list) { + if (addresses_equal(&entry->addr, skc, entry->addr.port)) { + backup = !!(entry->addr.flags & MPTCP_PM_ADDR_FLAG_BACKUP); + break; + } + } + rcu_read_unlock(); + + return backup; +} + void mptcp_pm_nl_data_init(struct mptcp_sock *msk) { struct mptcp_pm_data *pm = &msk->pm; diff --git a/net/mptcp/protocol.h b/net/mptcp/protocol.h index ddfc7bde8c90..4348bccb982f 100644 --- a/net/mptcp/protocol.h +++ b/net/mptcp/protocol.h @@ -481,6 +481,7 @@ bool mptcp_pm_add_addr_signal(struct mptcp_sock *msk, unsigned int remaining, bool mptcp_pm_rm_addr_signal(struct mptcp_sock *msk, unsigned int remaining, u8 *rm_id); int mptcp_pm_get_local_id(struct mptcp_sock *msk, struct sock_common *skc); +bool mptcp_pm_is_backup(struct mptcp_sock *msk, struct sock_common *skc); void __init mptcp_pm_nl_init(void); void mptcp_pm_nl_data_init(struct mptcp_sock *msk); @@ -490,6 +491,7 @@ void mptcp_pm_nl_add_addr_received(struct mptcp_sock *msk); void mptcp_pm_nl_rm_addr_received(struct mptcp_sock *msk); void mptcp_pm_nl_rm_subflow_received(struct mptcp_sock *msk, u8 rm_id); int mptcp_pm_nl_get_local_id(struct mptcp_sock *msk, struct sock_common *skc); +bool mptcp_pm_nl_is_backup(struct mptcp_sock *msk, struct mptcp_addr_info *skc); static inline struct mptcp_ext *mptcp_get_ext(struct sk_buff *skb) { diff --git a/net/mptcp/subflow.c b/net/mptcp/subflow.c index f4067484727e..ba86cb06d6d8 100644 --- a/net/mptcp/subflow.c +++ b/net/mptcp/subflow.c @@ -80,6 +80,7 @@ static struct mptcp_sock *subflow_token_join_request(struct request_sock *req, return NULL; } subflow_req->local_id = local_id; + subflow_req->request_bkup = mptcp_pm_is_backup(msk, (struct sock_common *)req); get_random_bytes(&subflow_req->local_nonce, sizeof(u32)); From 5b9f49cc86bd3ffdd4ad5a3a2ba4782b75ed6a5a Mon Sep 17 00:00:00 2001 From: Gabriel Krisman Bertazi Date: Thu, 25 Jul 2024 11:32:27 -0400 Subject: [PATCH 322/702] samples: Add fs error monitoring example [ Upstream commit 5451093081db6ca1a708d149e11cfd219800bc4c ] Introduce an example of a FAN_FS_ERROR fanotify user to track filesystem errors. Link: https://lore.kernel.org/r/20211025192746.66445-31-krisman@collabora.com Reviewed-by: Amir Goldstein Reviewed-by: Jan Kara Signed-off-by: Gabriel Krisman Bertazi Signed-off-by: Jan Kara [ cel: adjusted to squelch a missing file warning on v5.10.y ] Signed-off-by: Chuck Lever Signed-off-by: Greg Kroah-Hartman --- samples/Kconfig | 8 ++ samples/Makefile | 1 + samples/fanotify/Makefile | 5 ++ samples/fanotify/fs-monitor.c | 142 ++++++++++++++++++++++++++++++++++ 4 files changed, 156 insertions(+) create mode 100644 samples/fanotify/Makefile create mode 100644 samples/fanotify/fs-monitor.c diff --git a/samples/Kconfig b/samples/Kconfig index e76cdfc50e25..cecd311ff321 100644 --- a/samples/Kconfig +++ b/samples/Kconfig @@ -120,6 +120,14 @@ config SAMPLE_CONNECTOR with it. See also Documentation/driver-api/connector.rst +config SAMPLE_FANOTIFY_ERROR + bool "Build fanotify error monitoring sample" + depends on FANOTIFY + help + When enabled, this builds an example code that uses the + FAN_FS_ERROR fanotify mechanism to monitor filesystem + errors. + config SAMPLE_HIDRAW bool "hidraw sample" depends on CC_CAN_LINK && HEADERS_INSTALL diff --git a/samples/Makefile b/samples/Makefile index c3392a595e4b..93e2d64bc9a7 100644 --- a/samples/Makefile +++ b/samples/Makefile @@ -5,6 +5,7 @@ subdir-$(CONFIG_SAMPLE_AUXDISPLAY) += auxdisplay subdir-$(CONFIG_SAMPLE_ANDROID_BINDERFS) += binderfs obj-$(CONFIG_SAMPLE_CONFIGFS) += configfs/ obj-$(CONFIG_SAMPLE_CONNECTOR) += connector/ +obj-$(CONFIG_SAMPLE_FANOTIFY_ERROR) += fanotify/ subdir-$(CONFIG_SAMPLE_HIDRAW) += hidraw obj-$(CONFIG_SAMPLE_HW_BREAKPOINT) += hw_breakpoint/ obj-$(CONFIG_SAMPLE_KDB) += kdb/ diff --git a/samples/fanotify/Makefile b/samples/fanotify/Makefile new file mode 100644 index 000000000000..e20db1bdde3b --- /dev/null +++ b/samples/fanotify/Makefile @@ -0,0 +1,5 @@ +# SPDX-License-Identifier: GPL-2.0-only +userprogs-always-y += fs-monitor + +userccflags += -I usr/include -Wall + diff --git a/samples/fanotify/fs-monitor.c b/samples/fanotify/fs-monitor.c new file mode 100644 index 000000000000..a0e44cd31e6f --- /dev/null +++ b/samples/fanotify/fs-monitor.c @@ -0,0 +1,142 @@ +// SPDX-License-Identifier: GPL-2.0 +/* + * Copyright 2021, Collabora Ltd. + */ + +#define _GNU_SOURCE +#include +#include +#include +#include +#include +#include +#include +#include +#include + +#ifndef FAN_FS_ERROR +#define FAN_FS_ERROR 0x00008000 +#define FAN_EVENT_INFO_TYPE_ERROR 5 + +struct fanotify_event_info_error { + struct fanotify_event_info_header hdr; + __s32 error; + __u32 error_count; +}; +#endif + +#ifndef FILEID_INO32_GEN +#define FILEID_INO32_GEN 1 +#endif + +#ifndef FILEID_INVALID +#define FILEID_INVALID 0xff +#endif + +static void print_fh(struct file_handle *fh) +{ + int i; + uint32_t *h = (uint32_t *) fh->f_handle; + + printf("\tfh: "); + for (i = 0; i < fh->handle_bytes; i++) + printf("%hhx", fh->f_handle[i]); + printf("\n"); + + printf("\tdecoded fh: "); + if (fh->handle_type == FILEID_INO32_GEN) + printf("inode=%u gen=%u\n", h[0], h[1]); + else if (fh->handle_type == FILEID_INVALID && !fh->handle_bytes) + printf("Type %d (Superblock error)\n", fh->handle_type); + else + printf("Type %d (Unknown)\n", fh->handle_type); + +} + +static void handle_notifications(char *buffer, int len) +{ + struct fanotify_event_metadata *event = + (struct fanotify_event_metadata *) buffer; + struct fanotify_event_info_header *info; + struct fanotify_event_info_error *err; + struct fanotify_event_info_fid *fid; + int off; + + for (; FAN_EVENT_OK(event, len); event = FAN_EVENT_NEXT(event, len)) { + + if (event->mask != FAN_FS_ERROR) { + printf("unexpected FAN MARK: %llx\n", event->mask); + goto next_event; + } + + if (event->fd != FAN_NOFD) { + printf("Unexpected fd (!= FAN_NOFD)\n"); + goto next_event; + } + + printf("FAN_FS_ERROR (len=%d)\n", event->event_len); + + for (off = sizeof(*event) ; off < event->event_len; + off += info->len) { + info = (struct fanotify_event_info_header *) + ((char *) event + off); + + switch (info->info_type) { + case FAN_EVENT_INFO_TYPE_ERROR: + err = (struct fanotify_event_info_error *) info; + + printf("\tGeneric Error Record: len=%d\n", + err->hdr.len); + printf("\terror: %d\n", err->error); + printf("\terror_count: %d\n", err->error_count); + break; + + case FAN_EVENT_INFO_TYPE_FID: + fid = (struct fanotify_event_info_fid *) info; + + printf("\tfsid: %x%x\n", + fid->fsid.val[0], fid->fsid.val[1]); + print_fh((struct file_handle *) &fid->handle); + break; + + default: + printf("\tUnknown info type=%d len=%d:\n", + info->info_type, info->len); + } + } +next_event: + printf("---\n\n"); + } +} + +int main(int argc, char **argv) +{ + int fd; + + char buffer[BUFSIZ]; + + if (argc < 2) { + printf("Missing path argument\n"); + return 1; + } + + fd = fanotify_init(FAN_CLASS_NOTIF|FAN_REPORT_FID, O_RDONLY); + if (fd < 0) + errx(1, "fanotify_init"); + + if (fanotify_mark(fd, FAN_MARK_ADD|FAN_MARK_FILESYSTEM, + FAN_FS_ERROR, AT_FDCWD, argv[1])) { + errx(1, "fanotify_mark"); + } + + while (1) { + int n = read(fd, buffer, BUFSIZ); + + if (n < 0) + errx(1, "read"); + + handle_notifications(buffer, n); + } + + return 0; +} From 9bdf0624bdbc7bfcdc3dc191fe0049ddd9a792cf Mon Sep 17 00:00:00 2001 From: Gabriel Krisman Bertazi Date: Thu, 25 Jul 2024 11:32:28 -0400 Subject: [PATCH 323/702] samples: Make fs-monitor depend on libc and headers [ Upstream commit 8fc70b3a142f97f7859bf052151df896933d2586 ] Prevent build errors when headers or libc are not available, such as on kernel build bots, like the below: samples/fanotify/fs-monitor.c:7:10: fatal error: errno.h: No such file or directory 7 | #include | ^~~~~~~~~ Link: https://lore.kernel.org/r/87fsslasgz.fsf@collabora.com Suggested-by: Guenter Roeck Tested-by: Guenter Roeck Signed-off-by: Gabriel Krisman Bertazi Signed-off-by: Jan Kara Signed-off-by: Chuck Lever Signed-off-by: Greg Kroah-Hartman --- samples/Kconfig | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/samples/Kconfig b/samples/Kconfig index cecd311ff321..a98e89992a18 100644 --- a/samples/Kconfig +++ b/samples/Kconfig @@ -122,7 +122,7 @@ config SAMPLE_CONNECTOR config SAMPLE_FANOTIFY_ERROR bool "Build fanotify error monitoring sample" - depends on FANOTIFY + depends on FANOTIFY && CC_CAN_LINK && HEADERS_INSTALL help When enabled, this builds an example code that uses the FAN_FS_ERROR fanotify mechanism to monitor filesystem From 329eae03d0f963cfd77ef2469e177e2c17b235f3 Mon Sep 17 00:00:00 2001 From: Linus Torvalds Date: Thu, 25 Jul 2024 11:32:29 -0400 Subject: [PATCH 324/702] Add gitignore file for samples/fanotify/ subdirectory [ Upstream commit c107fb9b4f8338375b3e865c3d2c1d98ccb3a95a ] Commit 5451093081db ("samples: Add fs error monitoring example") added a new sample program, but didn't teach git to ignore the new generated files, causing unnecessary noise from 'git status' after a full build. Add the 'fs-monitor' sample executable to the .gitignore for this subdirectory to silence it all again. Signed-off-by: Linus Torvalds Signed-off-by: Chuck Lever Signed-off-by: Greg Kroah-Hartman --- samples/fanotify/.gitignore | 1 + 1 file changed, 1 insertion(+) create mode 100644 samples/fanotify/.gitignore diff --git a/samples/fanotify/.gitignore b/samples/fanotify/.gitignore new file mode 100644 index 000000000000..d74593e8b2de --- /dev/null +++ b/samples/fanotify/.gitignore @@ -0,0 +1 @@ +fs-monitor From 7e62564d5e43f34f260db311cb6d1528d6189f6e Mon Sep 17 00:00:00 2001 From: Jari Ruusu Date: Fri, 26 Jul 2024 09:53:18 +0000 Subject: [PATCH 325/702] Fix gcc 4.9 build issue in 5.10.y Some older systems still compile kernels with old gcc version. These warnings and errors show up when compiling with gcc 4.9.2 error: "__GCC4_has_attribute___uninitialized__" is not defined [-Werror=undef] Upstream won't need this because newer kernels are not compilable with gcc 4.9. Subject: gcc-4.9 warning/error fix for 5.10.223-rc1 Fixes: fd7eea27a3ae ("Compiler Attributes: Add __uninitialized macro") Signed-off-by: Jari Ruusu Signed-off-by: Greg Kroah-Hartman --- include/linux/compiler_attributes.h | 1 + 1 file changed, 1 insertion(+) diff --git a/include/linux/compiler_attributes.h b/include/linux/compiler_attributes.h index 3982c2dc541e..a3b85459959e 100644 --- a/include/linux/compiler_attributes.h +++ b/include/linux/compiler_attributes.h @@ -37,6 +37,7 @@ # define __GCC4_has_attribute___nonstring__ 0 # define __GCC4_has_attribute___no_sanitize_address__ (__GNUC_MINOR__ >= 8) # define __GCC4_has_attribute___no_sanitize_undefined__ (__GNUC_MINOR__ >= 9) +# define __GCC4_has_attribute___uninitialized__ 0 # define __GCC4_has_attribute___fallthrough__ 0 # define __GCC4_has_attribute___warning__ 1 #endif From c52f9e1a9eb40f13993142c331a6cfd334d4b91d Mon Sep 17 00:00:00 2001 From: Lukas Wunner Date: Tue, 30 Jul 2024 12:26:55 +0200 Subject: [PATCH 326/702] PCI/DPC: Fix use-after-free on concurrent DPC and hot-removal MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit commit 11a1f4bc47362700fcbde717292158873fb847ed upstream. Keith reports a use-after-free when a DPC event occurs concurrently to hot-removal of the same portion of the hierarchy: The dpc_handler() awaits readiness of the secondary bus below the Downstream Port where the DPC event occurred. To do so, it polls the config space of the first child device on the secondary bus. If that child device is concurrently removed, accesses to its struct pci_dev cause the kernel to oops. That's because pci_bridge_wait_for_secondary_bus() neglects to hold a reference on the child device. Before v6.3, the function was only called on resume from system sleep or on runtime resume. Holding a reference wasn't necessary back then because the pciehp IRQ thread could never run concurrently. (On resume from system sleep, IRQs are not enabled until after the resume_noirq phase. And runtime resume is always awaited before a PCI device is removed.) However starting with v6.3, pci_bridge_wait_for_secondary_bus() is also called on a DPC event. Commit 53b54ad074de ("PCI/DPC: Await readiness of secondary bus after reset"), which introduced that, failed to appreciate that pci_bridge_wait_for_secondary_bus() now needs to hold a reference on the child device because dpc_handler() and pciehp may indeed run concurrently. The commit was backported to v5.10+ stable kernels, so that's the oldest one affected. Add the missing reference acquisition. Abridged stack trace: BUG: unable to handle page fault for address: 00000000091400c0 CPU: 15 PID: 2464 Comm: irq/53-pcie-dpc 6.9.0 RIP: pci_bus_read_config_dword+0x17/0x50 pci_dev_wait() pci_bridge_wait_for_secondary_bus() dpc_reset_link() pcie_do_recovery() dpc_handler() Fixes: 53b54ad074de ("PCI/DPC: Await readiness of secondary bus after reset") Closes: https://lore.kernel.org/r/20240612181625.3604512-3-kbusch@meta.com/ Link: https://lore.kernel.org/linux-pci/8e4bcd4116fd94f592f2bf2749f168099c480ddf.1718707743.git.lukas@wunner.de Reported-by: Keith Busch Tested-by: Keith Busch Signed-off-by: Lukas Wunner Signed-off-by: Krzysztof Wilczyński Reviewed-by: Keith Busch Reviewed-by: Mika Westerberg Cc: stable@vger.kernel.org # v5.10+ Signed-off-by: Greg Kroah-Hartman --- drivers/pci/pci.c | 19 ++++++++++++------- 1 file changed, 12 insertions(+), 7 deletions(-) diff --git a/drivers/pci/pci.c b/drivers/pci/pci.c index 530ced8f7abd..09d5fa637b98 100644 --- a/drivers/pci/pci.c +++ b/drivers/pci/pci.c @@ -4817,7 +4817,7 @@ int pci_bridge_wait_for_secondary_bus(struct pci_dev *dev, char *reset_type, int timeout) { struct pci_dev *child; - int delay; + int delay, ret = 0; if (pci_dev_is_disconnected(dev)) return 0; @@ -4845,8 +4845,8 @@ int pci_bridge_wait_for_secondary_bus(struct pci_dev *dev, char *reset_type, return 0; } - child = list_first_entry(&dev->subordinate->devices, struct pci_dev, - bus_list); + child = pci_dev_get(list_first_entry(&dev->subordinate->devices, + struct pci_dev, bus_list)); up_read(&pci_bus_sem); /* @@ -4856,7 +4856,7 @@ int pci_bridge_wait_for_secondary_bus(struct pci_dev *dev, char *reset_type, if (!pci_is_pcie(dev)) { pci_dbg(dev, "waiting %d ms for secondary bus\n", 1000 + delay); msleep(1000 + delay); - return 0; + goto put_child; } /* @@ -4877,7 +4877,7 @@ int pci_bridge_wait_for_secondary_bus(struct pci_dev *dev, char *reset_type, * until the timeout expires. */ if (!pcie_downstream_port(dev)) - return 0; + goto put_child; if (pcie_get_speed_cap(dev) <= PCIE_SPEED_5_0GT) { pci_dbg(dev, "waiting %d ms for downstream link\n", delay); @@ -4888,11 +4888,16 @@ int pci_bridge_wait_for_secondary_bus(struct pci_dev *dev, char *reset_type, if (!pcie_wait_for_link_delay(dev, true, delay)) { /* Did not train, no need to wait any further */ pci_info(dev, "Data Link Layer Link Active not set in 1000 msec\n"); - return -ENOTTY; + ret = -ENOTTY; + goto put_child; } } - return pci_dev_wait(child, reset_type, timeout - delay); + ret = pci_dev_wait(child, reset_type, timeout - delay); + +put_child: + pci_dev_put(child); + return ret; } void pci_reset_secondary_bus(struct pci_dev *dev) From 191fc44395240130a4487c5270cc040ec2f01213 Mon Sep 17 00:00:00 2001 From: Pablo Neira Ayuso Date: Mon, 12 Aug 2024 12:27:39 +0200 Subject: [PATCH 327/702] netfilter: nf_tables: set element extended ACK reporting support commit b53c116642502b0c85ecef78bff4f826a7dd4145 upstream. Report the element that causes problems via netlink extended ACK for set element commands. Signed-off-by: Pablo Neira Ayuso Signed-off-by: Greg Kroah-Hartman --- net/netfilter/nf_tables_api.c | 13 +++++++++---- 1 file changed, 9 insertions(+), 4 deletions(-) diff --git a/net/netfilter/nf_tables_api.c b/net/netfilter/nf_tables_api.c index f4bbddfbbc24..0bc92edb7827 100644 --- a/net/netfilter/nf_tables_api.c +++ b/net/netfilter/nf_tables_api.c @@ -5354,8 +5354,10 @@ static int nf_tables_getsetelem(struct net *net, struct sock *nlsk, nla_for_each_nested(attr, nla[NFTA_SET_ELEM_LIST_ELEMENTS], rem) { err = nft_get_set_elem(&ctx, set, attr); - if (err < 0) + if (err < 0) { + NL_SET_BAD_ATTR(extack, attr); break; + } } return err; @@ -5848,8 +5850,10 @@ static int nf_tables_newsetelem(struct net *net, struct sock *nlsk, nla_for_each_nested(attr, nla[NFTA_SET_ELEM_LIST_ELEMENTS], rem) { err = nft_add_set_elem(&ctx, set, attr, nlh->nlmsg_flags); - if (err < 0) + if (err < 0) { + NL_SET_BAD_ATTR(extack, attr); return err; + } } if (nft_net->validate_state == NFT_VALIDATE_DO) @@ -6058,9 +6062,10 @@ static int nf_tables_delsetelem(struct net *net, struct sock *nlsk, nla_for_each_nested(attr, nla[NFTA_SET_ELEM_LIST_ELEMENTS], rem) { err = nft_del_setelem(&ctx, set, attr); - if (err < 0) + if (err < 0) { + NL_SET_BAD_ATTR(extack, attr); break; - + } set->ndeact++; } return err; From 7b17de2a71e56c10335b565cc7ad238e6d984379 Mon Sep 17 00:00:00 2001 From: Pablo Neira Ayuso Date: Mon, 12 Aug 2024 12:27:40 +0200 Subject: [PATCH 328/702] netfilter: nf_tables: use timestamp to check for set element timeout commit 7395dfacfff65e9938ac0889dafa1ab01e987d15 upstream Add a timestamp field at the beginning of the transaction, store it in the nftables per-netns area. Update set backend .insert, .deactivate and sync gc path to use the timestamp, this avoids that an element expires while control plane transaction is still unfinished. .lookup and .update, which are used from packet path, still use the current time to check if the element has expired. And .get path and dump also since this runs lockless under rcu read size lock. Then, there is async gc which also needs to check the current time since it runs asynchronously from a workqueue. [ NB: rbtree GC updates has been excluded because GC is asynchronous. ] Fixes: c3e1b005ed1c ("netfilter: nf_tables: add set element timeout support") Signed-off-by: Pablo Neira Ayuso Signed-off-by: Greg Kroah-Hartman --- include/net/netfilter/nf_tables.h | 21 +++++++++++++++++++-- net/netfilter/nf_tables_api.c | 1 + net/netfilter/nft_set_hash.c | 8 +++++++- net/netfilter/nft_set_pipapo.c | 18 +++++++++++------- net/netfilter/nft_set_rbtree.c | 6 ++++-- 5 files changed, 42 insertions(+), 12 deletions(-) diff --git a/include/net/netfilter/nf_tables.h b/include/net/netfilter/nf_tables.h index 2b99ee1303d9..dd7c310e7216 100644 --- a/include/net/netfilter/nf_tables.h +++ b/include/net/netfilter/nf_tables.h @@ -13,6 +13,7 @@ #include #include #include +#include #define NFT_MAX_HOOKS (NF_INET_INGRESS + 1) @@ -686,10 +687,16 @@ static inline struct nft_expr *nft_set_ext_expr(const struct nft_set_ext *ext) return nft_set_ext(ext, NFT_SET_EXT_EXPR); } -static inline bool nft_set_elem_expired(const struct nft_set_ext *ext) +static inline bool __nft_set_elem_expired(const struct nft_set_ext *ext, + u64 tstamp) { return nft_set_ext_exists(ext, NFT_SET_EXT_EXPIRATION) && - time_is_before_eq_jiffies64(*nft_set_ext_expiration(ext)); + time_after_eq64(tstamp, *nft_set_ext_expiration(ext)); +} + +static inline bool nft_set_elem_expired(const struct nft_set_ext *ext) +{ + return __nft_set_elem_expired(ext, get_jiffies_64()); } static inline struct nft_set_ext *nft_set_elem_ext(const struct nft_set *set, @@ -1580,9 +1587,19 @@ struct nftables_pernet { struct list_head module_list; struct list_head notify_list; struct mutex commit_mutex; + u64 tstamp; unsigned int base_seq; u8 validate_state; unsigned int gc_seq; }; +extern unsigned int nf_tables_net_id; + +static inline u64 nft_net_tstamp(const struct net *net) +{ + struct nftables_pernet *nft_net = net_generic(net, nf_tables_net_id); + + return nft_net->tstamp; +} + #endif /* _NET_NF_TABLES_H */ diff --git a/net/netfilter/nf_tables_api.c b/net/netfilter/nf_tables_api.c index 0bc92edb7827..bf4c455474a6 100644 --- a/net/netfilter/nf_tables_api.c +++ b/net/netfilter/nf_tables_api.c @@ -9034,6 +9034,7 @@ static bool nf_tables_valid_genid(struct net *net, u32 genid) bool genid_ok; mutex_lock(&nft_net->commit_mutex); + nft_net->tstamp = get_jiffies_64(); genid_ok = genid == 0 || nft_net->base_seq == genid; if (!genid_ok) diff --git a/net/netfilter/nft_set_hash.c b/net/netfilter/nft_set_hash.c index f0a9ad1c4ea4..2499d25a5c85 100644 --- a/net/netfilter/nft_set_hash.c +++ b/net/netfilter/nft_set_hash.c @@ -38,6 +38,7 @@ struct nft_rhash_cmp_arg { const struct nft_set *set; const u32 *key; u8 genmask; + u64 tstamp; }; static inline u32 nft_rhash_key(const void *data, u32 len, u32 seed) @@ -64,7 +65,7 @@ static inline int nft_rhash_cmp(struct rhashtable_compare_arg *arg, return 1; if (nft_set_elem_is_dead(&he->ext)) return 1; - if (nft_set_elem_expired(&he->ext)) + if (__nft_set_elem_expired(&he->ext, x->tstamp)) return 1; if (!nft_set_elem_active(&he->ext, x->genmask)) return 1; @@ -88,6 +89,7 @@ static bool nft_rhash_lookup(const struct net *net, const struct nft_set *set, .genmask = nft_genmask_cur(net), .set = set, .key = key, + .tstamp = get_jiffies_64(), }; he = rhashtable_lookup(&priv->ht, &arg, nft_rhash_params); @@ -106,6 +108,7 @@ static void *nft_rhash_get(const struct net *net, const struct nft_set *set, .genmask = nft_genmask_cur(net), .set = set, .key = elem->key.val.data, + .tstamp = get_jiffies_64(), }; he = rhashtable_lookup(&priv->ht, &arg, nft_rhash_params); @@ -129,6 +132,7 @@ static bool nft_rhash_update(struct nft_set *set, const u32 *key, .genmask = NFT_GENMASK_ANY, .set = set, .key = key, + .tstamp = get_jiffies_64(), }; he = rhashtable_lookup(&priv->ht, &arg, nft_rhash_params); @@ -172,6 +176,7 @@ static int nft_rhash_insert(const struct net *net, const struct nft_set *set, .genmask = nft_genmask_next(net), .set = set, .key = elem->key.val.data, + .tstamp = nft_net_tstamp(net), }; struct nft_rhash_elem *prev; @@ -214,6 +219,7 @@ static void *nft_rhash_deactivate(const struct net *net, .genmask = nft_genmask_next(net), .set = set, .key = elem->key.val.data, + .tstamp = nft_net_tstamp(net), }; rcu_read_lock(); diff --git a/net/netfilter/nft_set_pipapo.c b/net/netfilter/nft_set_pipapo.c index 5a8521abd8f5..9e0269e85017 100644 --- a/net/netfilter/nft_set_pipapo.c +++ b/net/netfilter/nft_set_pipapo.c @@ -504,6 +504,7 @@ bool nft_pipapo_lookup(const struct net *net, const struct nft_set *set, * @set: nftables API set representation * @data: Key data to be matched against existing elements * @genmask: If set, check that element is active in given genmask + * @tstamp: timestamp to check for expired elements * * This is essentially the same as the lookup function, except that it matches * key data against the uncommitted copy and doesn't use preallocated maps for @@ -513,7 +514,8 @@ bool nft_pipapo_lookup(const struct net *net, const struct nft_set *set, */ static struct nft_pipapo_elem *pipapo_get(const struct net *net, const struct nft_set *set, - const u8 *data, u8 genmask) + const u8 *data, u8 genmask, + u64 tstamp) { struct nft_pipapo_elem *ret = ERR_PTR(-ENOENT); struct nft_pipapo *priv = nft_set_priv(set); @@ -566,7 +568,7 @@ static struct nft_pipapo_elem *pipapo_get(const struct net *net, goto out; if (last) { - if (nft_set_elem_expired(&f->mt[b].e->ext)) + if (__nft_set_elem_expired(&f->mt[b].e->ext, tstamp)) goto next_match; if ((genmask && !nft_set_elem_active(&f->mt[b].e->ext, genmask))) @@ -603,7 +605,7 @@ static void *nft_pipapo_get(const struct net *net, const struct nft_set *set, const struct nft_set_elem *elem, unsigned int flags) { return pipapo_get(net, set, (const u8 *)elem->key.val.data, - nft_genmask_cur(net)); + nft_genmask_cur(net), get_jiffies_64()); } /** @@ -1197,6 +1199,7 @@ static int nft_pipapo_insert(const struct net *net, const struct nft_set *set, struct nft_pipapo *priv = nft_set_priv(set); struct nft_pipapo_match *m = priv->clone; u8 genmask = nft_genmask_next(net); + u64 tstamp = nft_net_tstamp(net); struct nft_pipapo_field *f; const u8 *start_p, *end_p; int i, bsize_max, err = 0; @@ -1206,7 +1209,7 @@ static int nft_pipapo_insert(const struct net *net, const struct nft_set *set, else end = start; - dup = pipapo_get(net, set, start, genmask); + dup = pipapo_get(net, set, start, genmask, tstamp); if (!IS_ERR(dup)) { /* Check if we already have the same exact entry */ const struct nft_data *dup_key, *dup_end; @@ -1228,7 +1231,7 @@ static int nft_pipapo_insert(const struct net *net, const struct nft_set *set, if (PTR_ERR(dup) == -ENOENT) { /* Look for partially overlapping entries */ - dup = pipapo_get(net, set, end, nft_genmask_next(net)); + dup = pipapo_get(net, set, end, nft_genmask_next(net), tstamp); } if (PTR_ERR(dup) != -ENOENT) { @@ -1580,6 +1583,7 @@ static void pipapo_gc(const struct nft_set *_set, struct nft_pipapo_match *m) struct nft_set *set = (struct nft_set *) _set; struct nft_pipapo *priv = nft_set_priv(set); struct net *net = read_pnet(&set->net); + u64 tstamp = nft_net_tstamp(net); int rules_f0, first_rule = 0; struct nft_trans_gc *gc; @@ -1613,7 +1617,7 @@ static void pipapo_gc(const struct nft_set *_set, struct nft_pipapo_match *m) /* synchronous gc never fails, there is no need to set on * NFT_SET_ELEM_DEAD_BIT. */ - if (nft_set_elem_expired(&e->ext)) { + if (__nft_set_elem_expired(&e->ext, tstamp)) { priv->dirty = true; gc = nft_trans_gc_queue_sync(gc, GFP_ATOMIC); @@ -1772,7 +1776,7 @@ static void *pipapo_deactivate(const struct net *net, const struct nft_set *set, { struct nft_pipapo_elem *e; - e = pipapo_get(net, set, data, nft_genmask_next(net)); + e = pipapo_get(net, set, data, nft_genmask_next(net), nft_net_tstamp(net)); if (IS_ERR(e)) return NULL; diff --git a/net/netfilter/nft_set_rbtree.c b/net/netfilter/nft_set_rbtree.c index 18c0d163dc76..bbced30113e4 100644 --- a/net/netfilter/nft_set_rbtree.c +++ b/net/netfilter/nft_set_rbtree.c @@ -316,6 +316,7 @@ static int __nft_rbtree_insert(const struct net *net, const struct nft_set *set, struct nft_rbtree *priv = nft_set_priv(set); u8 cur_genmask = nft_genmask_cur(net); u8 genmask = nft_genmask_next(net); + u64 tstamp = nft_net_tstamp(net); int d; /* Descend the tree to search for an existing element greater than the @@ -363,7 +364,7 @@ static int __nft_rbtree_insert(const struct net *net, const struct nft_set *set, /* perform garbage collection to avoid bogus overlap reports * but skip new elements in this transaction. */ - if (nft_set_elem_expired(&rbe->ext) && + if (__nft_set_elem_expired(&rbe->ext, tstamp) && nft_set_elem_active(&rbe->ext, cur_genmask)) { const struct nft_rbtree_elem *removed_end; @@ -550,6 +551,7 @@ static void *nft_rbtree_deactivate(const struct net *net, const struct rb_node *parent = priv->root.rb_node; struct nft_rbtree_elem *rbe, *this = elem->priv; u8 genmask = nft_genmask_next(net); + u64 tstamp = nft_net_tstamp(net); int d; while (parent != NULL) { @@ -570,7 +572,7 @@ static void *nft_rbtree_deactivate(const struct net *net, nft_rbtree_interval_end(this)) { parent = parent->rb_right; continue; - } else if (nft_set_elem_expired(&rbe->ext)) { + } else if (__nft_set_elem_expired(&rbe->ext, tstamp)) { break; } else if (!nft_set_elem_active(&rbe->ext, genmask)) { parent = parent->rb_left; From d5f87c11114b5a6293cd44d94132bb8784c124b6 Mon Sep 17 00:00:00 2001 From: Pablo Neira Ayuso Date: Mon, 12 Aug 2024 12:27:41 +0200 Subject: [PATCH 329/702] netfilter: nf_tables: allow clone callbacks to sleep commit fa23e0d4b756d25829e124d6b670a4c6bbd4bf7e upstream. Sven Auhagen reports transaction failures with following error: ./main.nft:13:1-26: Error: Could not process rule: Cannot allocate memory percpu: allocation failed, size=16 align=8 atomic=1, atomic alloc failed, no space left This points to failing pcpu allocation with GFP_ATOMIC flag. However, transactions happen from user context and are allowed to sleep. One case where we can call into percpu allocator with GFP_ATOMIC is nft_counter expression. Normally this happens from control plane, so this could use GFP_KERNEL instead. But one use case, element insertion from packet path, needs to use GFP_ATOMIC allocations (nft_dynset expression). At this time, .clone callbacks always use GFP_ATOMIC for this reason. Add gfp_t argument to the .clone function and pass GFP_KERNEL or GFP_ATOMIC flag depending on context, this allows all clone memory allocations to sleep for the normal (transaction) case. Cc: Sven Auhagen Signed-off-by: Florian Westphal Signed-off-by: Pablo Neira Ayuso Signed-off-by: Greg Kroah-Hartman --- include/net/netfilter/nf_tables.h | 4 ++-- net/netfilter/nf_tables_api.c | 8 ++++---- net/netfilter/nft_connlimit.c | 2 +- net/netfilter/nft_counter.c | 4 ++-- net/netfilter/nft_dynset.c | 2 +- 5 files changed, 10 insertions(+), 10 deletions(-) diff --git a/include/net/netfilter/nf_tables.h b/include/net/netfilter/nf_tables.h index dd7c310e7216..3cc25a5faa23 100644 --- a/include/net/netfilter/nf_tables.h +++ b/include/net/netfilter/nf_tables.h @@ -786,7 +786,7 @@ struct nft_expr_ops { struct nft_regs *regs, const struct nft_pktinfo *pkt); int (*clone)(struct nft_expr *dst, - const struct nft_expr *src); + const struct nft_expr *src, gfp_t gfp); unsigned int size; int (*init)(const struct nft_ctx *ctx, @@ -837,7 +837,7 @@ static inline void *nft_expr_priv(const struct nft_expr *expr) return (void *)expr->data; } -int nft_expr_clone(struct nft_expr *dst, struct nft_expr *src); +int nft_expr_clone(struct nft_expr *dst, struct nft_expr *src, gfp_t gfp); void nft_expr_destroy(const struct nft_ctx *ctx, struct nft_expr *expr); int nft_expr_dump(struct sk_buff *skb, unsigned int attr, const struct nft_expr *expr); diff --git a/net/netfilter/nf_tables_api.c b/net/netfilter/nf_tables_api.c index bf4c455474a6..2b5e9efe86dd 100644 --- a/net/netfilter/nf_tables_api.c +++ b/net/netfilter/nf_tables_api.c @@ -2968,13 +2968,13 @@ static struct nft_expr *nft_expr_init(const struct nft_ctx *ctx, return ERR_PTR(err); } -int nft_expr_clone(struct nft_expr *dst, struct nft_expr *src) +int nft_expr_clone(struct nft_expr *dst, struct nft_expr *src, gfp_t gfp) { int err; if (src->ops->clone) { dst->ops = src->ops; - err = src->ops->clone(dst, src); + err = src->ops->clone(dst, src, gfp); if (err < 0) return err; } else { @@ -5524,7 +5524,7 @@ static int nft_set_elem_expr_setup(struct nft_ctx *ctx, if (expr == NULL) return 0; - err = nft_expr_clone(elem_expr, expr); + err = nft_expr_clone(elem_expr, expr, GFP_KERNEL); if (err < 0) return -ENOMEM; @@ -5632,7 +5632,7 @@ static int nft_add_set_elem(struct nft_ctx *ctx, struct nft_set *set, if (!expr) return -ENOMEM; - err = nft_expr_clone(expr, set->expr); + err = nft_expr_clone(expr, set->expr, GFP_KERNEL); if (err < 0) goto err_set_elem_expr; } diff --git a/net/netfilter/nft_connlimit.c b/net/netfilter/nft_connlimit.c index 7d0761fad37e..091457e5c260 100644 --- a/net/netfilter/nft_connlimit.c +++ b/net/netfilter/nft_connlimit.c @@ -195,7 +195,7 @@ static void nft_connlimit_destroy(const struct nft_ctx *ctx, nft_connlimit_do_destroy(ctx, priv); } -static int nft_connlimit_clone(struct nft_expr *dst, const struct nft_expr *src) +static int nft_connlimit_clone(struct nft_expr *dst, const struct nft_expr *src, gfp_t gfp) { struct nft_connlimit *priv_dst = nft_expr_priv(dst); struct nft_connlimit *priv_src = nft_expr_priv(src); diff --git a/net/netfilter/nft_counter.c b/net/netfilter/nft_counter.c index 85ed461ec24e..75fa6fcd6cd6 100644 --- a/net/netfilter/nft_counter.c +++ b/net/netfilter/nft_counter.c @@ -224,7 +224,7 @@ static void nft_counter_destroy(const struct nft_ctx *ctx, nft_counter_do_destroy(priv); } -static int nft_counter_clone(struct nft_expr *dst, const struct nft_expr *src) +static int nft_counter_clone(struct nft_expr *dst, const struct nft_expr *src, gfp_t gfp) { struct nft_counter_percpu_priv *priv = nft_expr_priv(src); struct nft_counter_percpu_priv *priv_clone = nft_expr_priv(dst); @@ -234,7 +234,7 @@ static int nft_counter_clone(struct nft_expr *dst, const struct nft_expr *src) nft_counter_fetch(priv, &total); - cpu_stats = alloc_percpu_gfp(struct nft_counter, GFP_ATOMIC); + cpu_stats = alloc_percpu_gfp(struct nft_counter, gfp); if (cpu_stats == NULL) return -ENOMEM; diff --git a/net/netfilter/nft_dynset.c b/net/netfilter/nft_dynset.c index 408b7f5faa5e..9461293182e8 100644 --- a/net/netfilter/nft_dynset.c +++ b/net/netfilter/nft_dynset.c @@ -48,7 +48,7 @@ static void *nft_dynset_new(struct nft_set *set, const struct nft_expr *expr, ext = nft_set_elem_ext(set, elem); if (priv->expr != NULL && - nft_expr_clone(nft_set_ext_expr(ext), priv->expr) < 0) + nft_expr_clone(nft_set_ext_expr(ext), priv->expr, GFP_ATOMIC) < 0) goto err2; return elem; From 31c35f9f89ef585f1edb53e17ac73a0ca4a9712b Mon Sep 17 00:00:00 2001 From: Florian Westphal Date: Mon, 12 Aug 2024 12:27:42 +0200 Subject: [PATCH 330/702] netfilter: nf_tables: prefer nft_chain_validate MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit commit cff3bd012a9512ac5ed858d38e6ed65f6391008c upstream. nft_chain_validate already performs loop detection because a cycle will result in a call stack overflow (ctx->level >= NFT_JUMP_STACK_SIZE). It also follows maps via ->validate callback in nft_lookup, so there appears no reason to iterate the maps again. nf_tables_check_loops() and all its helper functions can be removed. This improves ruleset load time significantly, from 23s down to 12s. This also fixes a crash bug. Old loop detection code can result in unbounded recursion: BUG: TASK stack guard page was hit at .... Oops: stack guard page: 0000 [#1] PREEMPT SMP KASAN CPU: 4 PID: 1539 Comm: nft Not tainted 6.10.0-rc5+ #1 [..] with a suitable ruleset during validation of register stores. I can't see any actual reason to attempt to check for this from nft_validate_register_store(), at this point the transaction is still in progress, so we don't have a full picture of the rule graph. For nf-next it might make sense to either remove it or make this depend on table->validate_state in case we could catch an error earlier (for improved error reporting to userspace). Fixes: 20a69341f2d0 ("netfilter: nf_tables: add netlink set API") Signed-off-by: Florian Westphal Signed-off-by: Pablo Neira Ayuso Signed-off-by: Greg Kroah-Hartman --- net/netfilter/nf_tables_api.c | 127 ++++------------------------------ 1 file changed, 13 insertions(+), 114 deletions(-) diff --git a/net/netfilter/nf_tables_api.c b/net/netfilter/nf_tables_api.c index 2b5e9efe86dd..249c30c47cbd 100644 --- a/net/netfilter/nf_tables_api.c +++ b/net/netfilter/nf_tables_api.c @@ -3349,6 +3349,15 @@ static void nf_tables_rule_release(const struct nft_ctx *ctx, struct nft_rule *r nf_tables_rule_destroy(ctx, rule); } +/** nft_chain_validate - loop detection and hook validation + * + * @ctx: context containing call depth and base chain + * @chain: chain to validate + * + * Walk through the rules of the given chain and chase all jumps/gotos + * and set lookups until either the jump limit is hit or all reachable + * chains have been validated. + */ int nft_chain_validate(const struct nft_ctx *ctx, const struct nft_chain *chain) { struct nft_expr *expr, *last; @@ -3367,6 +3376,9 @@ int nft_chain_validate(const struct nft_ctx *ctx, const struct nft_chain *chain) if (!expr->ops->validate) continue; + /* This may call nft_chain_validate() recursively, + * callers that do so must increment ctx->level. + */ err = expr->ops->validate(ctx, expr, &data); if (err < 0) return err; @@ -9087,119 +9099,6 @@ int nft_chain_validate_hooks(const struct nft_chain *chain, } EXPORT_SYMBOL_GPL(nft_chain_validate_hooks); -/* - * Loop detection - walk through the ruleset beginning at the destination chain - * of a new jump until either the source chain is reached (loop) or all - * reachable chains have been traversed. - * - * The loop check is performed whenever a new jump verdict is added to an - * expression or verdict map or a verdict map is bound to a new chain. - */ - -static int nf_tables_check_loops(const struct nft_ctx *ctx, - const struct nft_chain *chain); - -static int nft_check_loops(const struct nft_ctx *ctx, - const struct nft_set_ext *ext) -{ - const struct nft_data *data; - int ret; - - data = nft_set_ext_data(ext); - switch (data->verdict.code) { - case NFT_JUMP: - case NFT_GOTO: - ret = nf_tables_check_loops(ctx, data->verdict.chain); - break; - default: - ret = 0; - break; - } - - return ret; -} - -static int nf_tables_loop_check_setelem(const struct nft_ctx *ctx, - struct nft_set *set, - const struct nft_set_iter *iter, - struct nft_set_elem *elem) -{ - const struct nft_set_ext *ext = nft_set_elem_ext(set, elem->priv); - - if (nft_set_ext_exists(ext, NFT_SET_EXT_FLAGS) && - *nft_set_ext_flags(ext) & NFT_SET_ELEM_INTERVAL_END) - return 0; - - return nft_check_loops(ctx, ext); -} - -static int nf_tables_check_loops(const struct nft_ctx *ctx, - const struct nft_chain *chain) -{ - const struct nft_rule *rule; - const struct nft_expr *expr, *last; - struct nft_set *set; - struct nft_set_binding *binding; - struct nft_set_iter iter; - - if (ctx->chain == chain) - return -ELOOP; - - list_for_each_entry(rule, &chain->rules, list) { - nft_rule_for_each_expr(expr, last, rule) { - struct nft_immediate_expr *priv; - const struct nft_data *data; - int err; - - if (strcmp(expr->ops->type->name, "immediate")) - continue; - - priv = nft_expr_priv(expr); - if (priv->dreg != NFT_REG_VERDICT) - continue; - - data = &priv->data; - switch (data->verdict.code) { - case NFT_JUMP: - case NFT_GOTO: - err = nf_tables_check_loops(ctx, - data->verdict.chain); - if (err < 0) - return err; - break; - default: - break; - } - } - } - - list_for_each_entry(set, &ctx->table->sets, list) { - if (!nft_is_active_next(ctx->net, set)) - continue; - if (!(set->flags & NFT_SET_MAP) || - set->dtype != NFT_DATA_VERDICT) - continue; - - list_for_each_entry(binding, &set->bindings, list) { - if (!(binding->flags & NFT_SET_MAP) || - binding->chain != chain) - continue; - - iter.genmask = nft_genmask_next(ctx->net); - iter.skip = 0; - iter.count = 0; - iter.err = 0; - iter.fn = nf_tables_loop_check_setelem; - - set->ops->walk(ctx, set, &iter); - if (iter.err < 0) - return iter.err; - } - } - - return 0; -} - /** * nft_parse_u32_check - fetch u32 attribute and check for maximum value * @@ -9335,7 +9234,7 @@ static int nft_validate_register_store(const struct nft_ctx *ctx, if (data != NULL && (data->verdict.code == NFT_GOTO || data->verdict.code == NFT_JUMP)) { - err = nf_tables_check_loops(ctx, data->verdict.chain); + err = nft_chain_validate(ctx, data->verdict.chain); if (err < 0) return err; } From 50111a8098fb9ade621eeff82228a997d42732ab Mon Sep 17 00:00:00 2001 From: Andi Shyti Date: Fri, 2 Aug 2024 10:38:50 +0200 Subject: [PATCH 331/702] drm/i915/gem: Fix Virtual Memory mapping boundaries calculation commit 8bdd9ef7e9b1b2a73e394712b72b22055e0e26c3 upstream. Calculating the size of the mapped area as the lesser value between the requested size and the actual size does not consider the partial mapping offset. This can cause page fault access. Fix the calculation of the starting and ending addresses, the total size is now deduced from the difference between the end and start addresses. Additionally, the calculations have been rewritten in a clearer and more understandable form. Fixes: c58305af1835 ("drm/i915: Use remap_io_mapping() to prefault all PTE in a single pass") Reported-by: Jann Horn Co-developed-by: Chris Wilson Signed-off-by: Chris Wilson Signed-off-by: Andi Shyti Cc: Joonas Lahtinen Cc: Matthew Auld Cc: Rodrigo Vivi Cc: # v4.9+ Reviewed-by: Jann Horn Reviewed-by: Jonathan Cavitt [Joonas: Add Requires: tag] Requires: 60a2066c5005 ("drm/i915/gem: Adjust vma offset for framebuffer mmap offset") Signed-off-by: Joonas Lahtinen Link: https://patchwork.freedesktop.org/patch/msgid/20240802083850.103694-3-andi.shyti@linux.intel.com (cherry picked from commit 97b6784753da06d9d40232328efc5c5367e53417) Signed-off-by: Joonas Lahtinen Signed-off-by: Greg Kroah-Hartman --- drivers/gpu/drm/i915/gem/i915_gem_mman.c | 53 +++++++++++++++++++++--- 1 file changed, 47 insertions(+), 6 deletions(-) diff --git a/drivers/gpu/drm/i915/gem/i915_gem_mman.c b/drivers/gpu/drm/i915/gem/i915_gem_mman.c index 01a88b03bc6d..0021b039b72b 100644 --- a/drivers/gpu/drm/i915/gem/i915_gem_mman.c +++ b/drivers/gpu/drm/i915/gem/i915_gem_mman.c @@ -273,6 +273,41 @@ static vm_fault_t vm_fault_cpu(struct vm_fault *vmf) return i915_error_to_vmf_fault(err); } +static void set_address_limits(struct vm_area_struct *area, + struct i915_vma *vma, + unsigned long obj_offset, + unsigned long *start_vaddr, + unsigned long *end_vaddr) +{ + unsigned long vm_start, vm_end, vma_size; /* user's memory parameters */ + long start, end; /* memory boundaries */ + + /* + * Let's move into the ">> PAGE_SHIFT" + * domain to be sure not to lose bits + */ + vm_start = area->vm_start >> PAGE_SHIFT; + vm_end = area->vm_end >> PAGE_SHIFT; + vma_size = vma->size >> PAGE_SHIFT; + + /* + * Calculate the memory boundaries by considering the offset + * provided by the user during memory mapping and the offset + * provided for the partial mapping. + */ + start = vm_start; + start -= obj_offset; + start += vma->ggtt_view.partial.offset; + end = start + vma_size; + + start = max_t(long, start, vm_start); + end = min_t(long, end, vm_end); + + /* Let's move back into the "<< PAGE_SHIFT" domain */ + *start_vaddr = (unsigned long)start << PAGE_SHIFT; + *end_vaddr = (unsigned long)end << PAGE_SHIFT; +} + static vm_fault_t vm_fault_gtt(struct vm_fault *vmf) { #define MIN_CHUNK_PAGES (SZ_1M >> PAGE_SHIFT) @@ -285,14 +320,18 @@ static vm_fault_t vm_fault_gtt(struct vm_fault *vmf) struct i915_ggtt *ggtt = &i915->ggtt; bool write = area->vm_flags & VM_WRITE; struct i915_gem_ww_ctx ww; + unsigned long obj_offset; + unsigned long start, end; /* memory boundaries */ intel_wakeref_t wakeref; struct i915_vma *vma; pgoff_t page_offset; + unsigned long pfn; int srcu; int ret; - /* We don't use vmf->pgoff since that has the fake offset */ + obj_offset = area->vm_pgoff - drm_vma_node_start(&mmo->vma_node); page_offset = (vmf->address - area->vm_start) >> PAGE_SHIFT; + page_offset += obj_offset; trace_i915_gem_object_fault(obj, page_offset, true, write); @@ -363,12 +402,14 @@ static vm_fault_t vm_fault_gtt(struct vm_fault *vmf) if (ret) goto err_unpin; + set_address_limits(area, vma, obj_offset, &start, &end); + + pfn = (ggtt->gmadr.start + i915_ggtt_offset(vma)) >> PAGE_SHIFT; + pfn += (start - area->vm_start) >> PAGE_SHIFT; + pfn += obj_offset - vma->ggtt_view.partial.offset; + /* Finally, remap it using the new GTT offset */ - ret = remap_io_mapping(area, - area->vm_start + (vma->ggtt_view.partial.offset << PAGE_SHIFT), - (ggtt->gmadr.start + vma->node.start) >> PAGE_SHIFT, - min_t(u64, vma->size, area->vm_end - area->vm_start), - &ggtt->iomap); + ret = remap_io_mapping(area, start, pfn, end - start, &ggtt->iomap); if (ret) goto err_fence; From fb6675db04c4b79883373edc578d5df7bbc84848 Mon Sep 17 00:00:00 2001 From: Mahesh Salgaonkar Date: Wed, 10 Apr 2024 10:00:06 +0530 Subject: [PATCH 332/702] powerpc: Avoid nmi_enter/nmi_exit in real mode interrupt. commit 0db880fc865ffb522141ced4bfa66c12ab1fbb70 upstream. nmi_enter()/nmi_exit() touches per cpu variables which can lead to kernel crash when invoked during real mode interrupt handling (e.g. early HMI/MCE interrupt handler) if percpu allocation comes from vmalloc area. Early HMI/MCE handlers are called through DEFINE_INTERRUPT_HANDLER_NMI() wrapper which invokes nmi_enter/nmi_exit calls. We don't see any issue when percpu allocation is from the embedded first chunk. However with CONFIG_NEED_PER_CPU_PAGE_FIRST_CHUNK enabled there are chances where percpu allocation can come from the vmalloc area. With kernel command line "percpu_alloc=page" we can force percpu allocation to come from vmalloc area and can see kernel crash in machine_check_early: [ 1.215714] NIP [c000000000e49eb4] rcu_nmi_enter+0x24/0x110 [ 1.215717] LR [c0000000000461a0] machine_check_early+0xf0/0x2c0 [ 1.215719] --- interrupt: 200 [ 1.215720] [c000000fffd73180] [0000000000000000] 0x0 (unreliable) [ 1.215722] [c000000fffd731b0] [0000000000000000] 0x0 [ 1.215724] [c000000fffd73210] [c000000000008364] machine_check_early_common+0x134/0x1f8 Fix this by avoiding use of nmi_enter()/nmi_exit() in real mode if percpu first chunk is not embedded. Reviewed-by: Christophe Leroy Tested-by: Shirisha Ganta Signed-off-by: Mahesh Salgaonkar Signed-off-by: Michael Ellerman Link: https://msgid.link/20240410043006.81577-1-mahesh@linux.ibm.com [ Conflicts in arch/powerpc/include/asm/interrupt.h because machine_check_early() and machine_check_exception() has been refactored. ] Signed-off-by: Jinjie Ruan Signed-off-by: Greg Kroah-Hartman --- arch/powerpc/include/asm/percpu.h | 10 ++++++++++ arch/powerpc/kernel/mce.c | 14 +++++++++++--- arch/powerpc/kernel/setup_64.c | 2 ++ arch/powerpc/kernel/traps.c | 8 +++++++- 4 files changed, 30 insertions(+), 4 deletions(-) diff --git a/arch/powerpc/include/asm/percpu.h b/arch/powerpc/include/asm/percpu.h index 8e5b7d0b851c..634970ce13c6 100644 --- a/arch/powerpc/include/asm/percpu.h +++ b/arch/powerpc/include/asm/percpu.h @@ -15,6 +15,16 @@ #endif /* CONFIG_SMP */ #endif /* __powerpc64__ */ +#if defined(CONFIG_NEED_PER_CPU_PAGE_FIRST_CHUNK) && defined(CONFIG_SMP) +#include +DECLARE_STATIC_KEY_FALSE(__percpu_first_chunk_is_paged); + +#define percpu_first_chunk_is_paged \ + (static_key_enabled(&__percpu_first_chunk_is_paged.key)) +#else +#define percpu_first_chunk_is_paged false +#endif /* CONFIG_PPC64 && CONFIG_SMP */ + #include #include diff --git a/arch/powerpc/kernel/mce.c b/arch/powerpc/kernel/mce.c index 63702c0badb9..259343040e1b 100644 --- a/arch/powerpc/kernel/mce.c +++ b/arch/powerpc/kernel/mce.c @@ -594,8 +594,15 @@ long notrace machine_check_early(struct pt_regs *regs) u8 ftrace_enabled = this_cpu_get_ftrace_enabled(); this_cpu_set_ftrace_enabled(0); - /* Do not use nmi_enter/exit for pseries hpte guest */ - if (radix_enabled() || !firmware_has_feature(FW_FEATURE_LPAR)) + /* + * Do not use nmi_enter/exit for pseries hpte guest + * + * Likewise, do not use it in real mode if percpu first chunk is not + * embedded. With CONFIG_NEED_PER_CPU_PAGE_FIRST_CHUNK enabled there + * are chances where percpu allocation can come from vmalloc area. + */ + if ((radix_enabled() || !firmware_has_feature(FW_FEATURE_LPAR)) && + !percpu_first_chunk_is_paged) nmi_enter(); hv_nmi_check_nonrecoverable(regs); @@ -606,7 +613,8 @@ long notrace machine_check_early(struct pt_regs *regs) if (ppc_md.machine_check_early) handled = ppc_md.machine_check_early(regs); - if (radix_enabled() || !firmware_has_feature(FW_FEATURE_LPAR)) + if ((radix_enabled() || !firmware_has_feature(FW_FEATURE_LPAR)) && + !percpu_first_chunk_is_paged) nmi_exit(); this_cpu_set_ftrace_enabled(ftrace_enabled); diff --git a/arch/powerpc/kernel/setup_64.c b/arch/powerpc/kernel/setup_64.c index 3f8426bccd16..899d87de0165 100644 --- a/arch/powerpc/kernel/setup_64.c +++ b/arch/powerpc/kernel/setup_64.c @@ -824,6 +824,7 @@ static int pcpu_cpu_distance(unsigned int from, unsigned int to) unsigned long __per_cpu_offset[NR_CPUS] __read_mostly; EXPORT_SYMBOL(__per_cpu_offset); +DEFINE_STATIC_KEY_FALSE(__percpu_first_chunk_is_paged); static void __init pcpu_populate_pte(unsigned long addr) { @@ -903,6 +904,7 @@ void __init setup_per_cpu_areas(void) if (rc < 0) panic("cannot initialize percpu area (err=%d)", rc); + static_key_enable(&__percpu_first_chunk_is_paged.key); delta = (unsigned long)pcpu_base_addr - (unsigned long)__per_cpu_start; for_each_possible_cpu(cpu) { __per_cpu_offset[cpu] = delta + pcpu_unit_offsets[cpu]; diff --git a/arch/powerpc/kernel/traps.c b/arch/powerpc/kernel/traps.c index b0e87dce2b9a..b4d108bef814 100644 --- a/arch/powerpc/kernel/traps.c +++ b/arch/powerpc/kernel/traps.c @@ -835,8 +835,14 @@ void machine_check_exception(struct pt_regs *regs) * This is silly. The BOOK3S_64 should just call a different function * rather than expecting semantics to magically change. Something * like 'non_nmi_machine_check_exception()', perhaps? + * + * Do not use nmi_enter/exit in real mode if percpu first chunk is + * not embedded. With CONFIG_NEED_PER_CPU_PAGE_FIRST_CHUNK enabled + * there are chances where percpu allocation can come from + * vmalloc area. */ - const bool nmi = !IS_ENABLED(CONFIG_PPC_BOOK3S_64); + const bool nmi = !IS_ENABLED(CONFIG_PPC_BOOK3S_64) && + !percpu_first_chunk_is_paged; if (nmi) nmi_enter(); From ec54634f91232fada8f3a96a94531e54d8f5bb5e Mon Sep 17 00:00:00 2001 From: Amit Daniel Kachhap Date: Thu, 3 Nov 2022 13:52:32 +0530 Subject: [PATCH 333/702] arm64: cpufeature: Fix the visibility of compat hwcaps commit 85f1506337f0c79a4955edfeee86a18628e3735f upstream. Commit 237405ebef58 ("arm64: cpufeature: Force HWCAP to be based on the sysreg visible to user-space") forced the hwcaps to use sanitised user-space view of the id registers. However, the ID register structures used to select few compat cpufeatures (vfp, crc32, ...) are masked and hence such hwcaps do not appear in /proc/cpuinfo anymore for PER_LINUX32 personality. Add the ID register structures explicitly and set the relevant entry as visible. As these ID registers are now of type visible so make them available in 64-bit userspace by making necessary changes in register emulation logic and documentation. While at it, update the comment for structure ftr_generic_32bits[] which lists the ID register that use it. Fixes: 237405ebef58 ("arm64: cpufeature: Force HWCAP to be based on the sysreg visible to user-space") Cc: Suzuki K Poulose Reviewed-by: James Morse Signed-off-by: Amit Daniel Kachhap Link: https://lore.kernel.org/r/20221103082232.19189-1-amit.kachhap@arm.com Signed-off-by: Catalin Marinas Signed-off-by: Greg Kroah-Hartman --- Documentation/arm64/cpu-feature-registers.rst | 38 ++++++++++++++++- arch/arm64/kernel/cpufeature.c | 42 +++++++++++++++---- 2 files changed, 70 insertions(+), 10 deletions(-) diff --git a/Documentation/arm64/cpu-feature-registers.rst b/Documentation/arm64/cpu-feature-registers.rst index 749ae970c319..8aaa5d13d3cc 100644 --- a/Documentation/arm64/cpu-feature-registers.rst +++ b/Documentation/arm64/cpu-feature-registers.rst @@ -92,7 +92,7 @@ operation if the source belongs to the supported system register space. The infrastructure emulates only the following system register space:: - Op0=3, Op1=0, CRn=0, CRm=0,4,5,6,7 + Op0=3, Op1=0, CRn=0, CRm=0,2,3,4,5,6,7 (See Table C5-6 'System instruction encodings for non-Debug System register accesses' in ARMv8 ARM DDI 0487A.h, for the list of @@ -291,6 +291,42 @@ infrastructure: | RPRES | [7-4] | y | +------------------------------+---------+---------+ + 10) MVFR0_EL1 - AArch32 Media and VFP Feature Register 0 + + +------------------------------+---------+---------+ + | Name | bits | visible | + +------------------------------+---------+---------+ + | FPDP | [11-8] | y | + +------------------------------+---------+---------+ + + 11) MVFR1_EL1 - AArch32 Media and VFP Feature Register 1 + + +------------------------------+---------+---------+ + | Name | bits | visible | + +------------------------------+---------+---------+ + | SIMDFMAC | [31-28] | y | + +------------------------------+---------+---------+ + | SIMDSP | [19-16] | y | + +------------------------------+---------+---------+ + | SIMDInt | [15-12] | y | + +------------------------------+---------+---------+ + | SIMDLS | [11-8] | y | + +------------------------------+---------+---------+ + + 12) ID_ISAR5_EL1 - AArch32 Instruction Set Attribute Register 5 + + +------------------------------+---------+---------+ + | Name | bits | visible | + +------------------------------+---------+---------+ + | CRC32 | [19-16] | y | + +------------------------------+---------+---------+ + | SHA2 | [15-12] | y | + +------------------------------+---------+---------+ + | SHA1 | [11-8] | y | + +------------------------------+---------+---------+ + | AES | [7-4] | y | + +------------------------------+---------+---------+ + Appendix I: Example ------------------- diff --git a/arch/arm64/kernel/cpufeature.c b/arch/arm64/kernel/cpufeature.c index dc92fd590f2f..2dc269b865de 100644 --- a/arch/arm64/kernel/cpufeature.c +++ b/arch/arm64/kernel/cpufeature.c @@ -399,6 +399,30 @@ static const struct arm64_ftr_bits ftr_id_aa64dfr0[] = { ARM64_FTR_END, }; +static const struct arm64_ftr_bits ftr_mvfr0[] = { + ARM64_FTR_BITS(FTR_HIDDEN, FTR_STRICT, FTR_LOWER_SAFE, MVFR0_FPROUND_SHIFT, 4, 0), + ARM64_FTR_BITS(FTR_HIDDEN, FTR_STRICT, FTR_LOWER_SAFE, MVFR0_FPSHVEC_SHIFT, 4, 0), + ARM64_FTR_BITS(FTR_HIDDEN, FTR_STRICT, FTR_LOWER_SAFE, MVFR0_FPSQRT_SHIFT, 4, 0), + ARM64_FTR_BITS(FTR_HIDDEN, FTR_STRICT, FTR_LOWER_SAFE, MVFR0_FPDIVIDE_SHIFT, 4, 0), + ARM64_FTR_BITS(FTR_HIDDEN, FTR_STRICT, FTR_LOWER_SAFE, MVFR0_FPTRAP_SHIFT, 4, 0), + ARM64_FTR_BITS(FTR_VISIBLE, FTR_STRICT, FTR_LOWER_SAFE, MVFR0_FPDP_SHIFT, 4, 0), + ARM64_FTR_BITS(FTR_HIDDEN, FTR_STRICT, FTR_LOWER_SAFE, MVFR0_FPSP_SHIFT, 4, 0), + ARM64_FTR_BITS(FTR_HIDDEN, FTR_STRICT, FTR_LOWER_SAFE, MVFR0_SIMD_SHIFT, 4, 0), + ARM64_FTR_END, +}; + +static const struct arm64_ftr_bits ftr_mvfr1[] = { + ARM64_FTR_BITS(FTR_VISIBLE, FTR_STRICT, FTR_LOWER_SAFE, MVFR1_SIMDFMAC_SHIFT, 4, 0), + ARM64_FTR_BITS(FTR_HIDDEN, FTR_STRICT, FTR_LOWER_SAFE, MVFR1_FPHP_SHIFT, 4, 0), + ARM64_FTR_BITS(FTR_HIDDEN, FTR_STRICT, FTR_LOWER_SAFE, MVFR1_SIMDHP_SHIFT, 4, 0), + ARM64_FTR_BITS(FTR_VISIBLE, FTR_STRICT, FTR_LOWER_SAFE, MVFR1_SIMDSP_SHIFT, 4, 0), + ARM64_FTR_BITS(FTR_VISIBLE, FTR_STRICT, FTR_LOWER_SAFE, MVFR1_SIMDINT_SHIFT, 4, 0), + ARM64_FTR_BITS(FTR_VISIBLE, FTR_STRICT, FTR_LOWER_SAFE, MVFR1_SIMDLS_SHIFT, 4, 0), + ARM64_FTR_BITS(FTR_HIDDEN, FTR_STRICT, FTR_LOWER_SAFE, MVFR1_FPDNAN_SHIFT, 4, 0), + ARM64_FTR_BITS(FTR_HIDDEN, FTR_STRICT, FTR_LOWER_SAFE, MVFR1_FPFTZ_SHIFT, 4, 0), + ARM64_FTR_END, +}; + static const struct arm64_ftr_bits ftr_mvfr2[] = { ARM64_FTR_BITS(FTR_HIDDEN, FTR_STRICT, FTR_LOWER_SAFE, MVFR2_FPMISC_SHIFT, 4, 0), ARM64_FTR_BITS(FTR_HIDDEN, FTR_STRICT, FTR_LOWER_SAFE, MVFR2_SIMDMISC_SHIFT, 4, 0), @@ -424,10 +448,10 @@ static const struct arm64_ftr_bits ftr_id_isar0[] = { static const struct arm64_ftr_bits ftr_id_isar5[] = { ARM64_FTR_BITS(FTR_HIDDEN, FTR_STRICT, FTR_LOWER_SAFE, ID_ISAR5_RDM_SHIFT, 4, 0), - ARM64_FTR_BITS(FTR_HIDDEN, FTR_STRICT, FTR_LOWER_SAFE, ID_ISAR5_CRC32_SHIFT, 4, 0), - ARM64_FTR_BITS(FTR_HIDDEN, FTR_STRICT, FTR_LOWER_SAFE, ID_ISAR5_SHA2_SHIFT, 4, 0), - ARM64_FTR_BITS(FTR_HIDDEN, FTR_STRICT, FTR_LOWER_SAFE, ID_ISAR5_SHA1_SHIFT, 4, 0), - ARM64_FTR_BITS(FTR_HIDDEN, FTR_STRICT, FTR_LOWER_SAFE, ID_ISAR5_AES_SHIFT, 4, 0), + ARM64_FTR_BITS(FTR_VISIBLE, FTR_STRICT, FTR_LOWER_SAFE, ID_ISAR5_CRC32_SHIFT, 4, 0), + ARM64_FTR_BITS(FTR_VISIBLE, FTR_STRICT, FTR_LOWER_SAFE, ID_ISAR5_SHA2_SHIFT, 4, 0), + ARM64_FTR_BITS(FTR_VISIBLE, FTR_STRICT, FTR_LOWER_SAFE, ID_ISAR5_SHA1_SHIFT, 4, 0), + ARM64_FTR_BITS(FTR_VISIBLE, FTR_STRICT, FTR_LOWER_SAFE, ID_ISAR5_AES_SHIFT, 4, 0), ARM64_FTR_BITS(FTR_HIDDEN, FTR_STRICT, FTR_LOWER_SAFE, ID_ISAR5_SEVL_SHIFT, 4, 0), ARM64_FTR_END, }; @@ -534,7 +558,7 @@ static const struct arm64_ftr_bits ftr_zcr[] = { * Common ftr bits for a 32bit register with all hidden, strict * attributes, with 4bit feature fields and a default safe value of * 0. Covers the following 32bit registers: - * id_isar[1-4], id_mmfr[1-3], id_pfr1, mvfr[0-1] + * id_isar[1-3], id_mmfr[1-3] */ static const struct arm64_ftr_bits ftr_generic_32bits[] = { ARM64_FTR_BITS(FTR_HIDDEN, FTR_STRICT, FTR_LOWER_SAFE, 28, 4, 0), @@ -590,8 +614,8 @@ static const struct __ftr_reg_entry { ARM64_FTR_REG(SYS_ID_ISAR6_EL1, ftr_id_isar6), /* Op1 = 0, CRn = 0, CRm = 3 */ - ARM64_FTR_REG(SYS_MVFR0_EL1, ftr_generic_32bits), - ARM64_FTR_REG(SYS_MVFR1_EL1, ftr_generic_32bits), + ARM64_FTR_REG(SYS_MVFR0_EL1, ftr_mvfr0), + ARM64_FTR_REG(SYS_MVFR1_EL1, ftr_mvfr1), ARM64_FTR_REG(SYS_MVFR2_EL1, ftr_mvfr2), ARM64_FTR_REG(SYS_ID_PFR2_EL1, ftr_id_pfr2), ARM64_FTR_REG(SYS_ID_DFR1_EL1, ftr_id_dfr1), @@ -2814,7 +2838,7 @@ static void __maybe_unused cpu_enable_cnp(struct arm64_cpu_capabilities const *c /* * We emulate only the following system register space. - * Op0 = 0x3, CRn = 0x0, Op1 = 0x0, CRm = [0, 4 - 7] + * Op0 = 0x3, CRn = 0x0, Op1 = 0x0, CRm = [0, 2 - 7] * See Table C5-6 System instruction encodings for System register accesses, * ARMv8 ARM(ARM DDI 0487A.f) for more details. */ @@ -2824,7 +2848,7 @@ static inline bool __attribute_const__ is_emulated(u32 id) sys_reg_CRn(id) == 0x0 && sys_reg_Op1(id) == 0x0 && (sys_reg_CRm(id) == 0 || - ((sys_reg_CRm(id) >= 4) && (sys_reg_CRm(id) <= 7)))); + ((sys_reg_CRm(id) >= 2) && (sys_reg_CRm(id) <= 7)))); } /* From d39e0f582b43f1e00ff398375af762edabfc34e2 Mon Sep 17 00:00:00 2001 From: Yunke Cao Date: Thu, 7 Jul 2022 10:53:31 +0200 Subject: [PATCH 334/702] media: uvcvideo: Use entity get_cur in uvc_ctrl_set commit 5f36851c36b30f713f588ed2b60aa7b4512e2c76 upstream. Entity controls should get_cur using an entity-defined function instead of via a query. Fix this in uvc_ctrl_set. Fixes: 65900c581d01 ("media: uvcvideo: Allow entity-defined get_info and get_cur") Signed-off-by: Yunke Cao Reviewed-by: Ricardo Ribalda Signed-off-by: Laurent Pinchart Signed-off-by: Mauro Carvalho Chehab Signed-off-by: Greg Kroah-Hartman --- drivers/media/usb/uvc/uvc_ctrl.c | 83 ++++++++++++++++++-------------- 1 file changed, 46 insertions(+), 37 deletions(-) diff --git a/drivers/media/usb/uvc/uvc_ctrl.c b/drivers/media/usb/uvc/uvc_ctrl.c index c89f582bd532..dc8d790eb911 100644 --- a/drivers/media/usb/uvc/uvc_ctrl.c +++ b/drivers/media/usb/uvc/uvc_ctrl.c @@ -992,35 +992,55 @@ static s32 __uvc_ctrl_get_value(struct uvc_control_mapping *mapping, return value; } +static int __uvc_ctrl_load_cur(struct uvc_video_chain *chain, + struct uvc_control *ctrl) +{ + u8 *data; + int ret; + + if (ctrl->loaded) + return 0; + + data = uvc_ctrl_data(ctrl, UVC_CTRL_DATA_CURRENT); + + if ((ctrl->info.flags & UVC_CTRL_FLAG_GET_CUR) == 0) { + memset(data, 0, ctrl->info.size); + ctrl->loaded = 1; + + return 0; + } + + if (ctrl->entity->get_cur) + ret = ctrl->entity->get_cur(chain->dev, ctrl->entity, + ctrl->info.selector, data, + ctrl->info.size); + else + ret = uvc_query_ctrl(chain->dev, UVC_GET_CUR, + ctrl->entity->id, chain->dev->intfnum, + ctrl->info.selector, data, + ctrl->info.size); + + if (ret < 0) + return ret; + + ctrl->loaded = 1; + + return ret; +} + static int __uvc_ctrl_get(struct uvc_video_chain *chain, - struct uvc_control *ctrl, struct uvc_control_mapping *mapping, - s32 *value) + struct uvc_control *ctrl, + struct uvc_control_mapping *mapping, + s32 *value) { int ret; if ((ctrl->info.flags & UVC_CTRL_FLAG_GET_CUR) == 0) return -EACCES; - if (!ctrl->loaded) { - if (ctrl->entity->get_cur) { - ret = ctrl->entity->get_cur(chain->dev, - ctrl->entity, - ctrl->info.selector, - uvc_ctrl_data(ctrl, UVC_CTRL_DATA_CURRENT), - ctrl->info.size); - } else { - ret = uvc_query_ctrl(chain->dev, UVC_GET_CUR, - ctrl->entity->id, - chain->dev->intfnum, - ctrl->info.selector, - uvc_ctrl_data(ctrl, UVC_CTRL_DATA_CURRENT), - ctrl->info.size); - } - if (ret < 0) - return ret; - - ctrl->loaded = 1; - } + ret = __uvc_ctrl_load_cur(chain, ctrl); + if (ret < 0) + return ret; *value = __uvc_ctrl_get_value(mapping, uvc_ctrl_data(ctrl, UVC_CTRL_DATA_CURRENT)); @@ -1675,21 +1695,10 @@ int uvc_ctrl_set(struct uvc_fh *handle, * needs to be loaded from the device to perform the read-modify-write * operation. */ - if (!ctrl->loaded && (ctrl->info.size * 8) != mapping->size) { - if ((ctrl->info.flags & UVC_CTRL_FLAG_GET_CUR) == 0) { - memset(uvc_ctrl_data(ctrl, UVC_CTRL_DATA_CURRENT), - 0, ctrl->info.size); - } else { - ret = uvc_query_ctrl(chain->dev, UVC_GET_CUR, - ctrl->entity->id, chain->dev->intfnum, - ctrl->info.selector, - uvc_ctrl_data(ctrl, UVC_CTRL_DATA_CURRENT), - ctrl->info.size); - if (ret < 0) - return ret; - } - - ctrl->loaded = 1; + if ((ctrl->info.size * 8) != mapping->size) { + ret = __uvc_ctrl_load_cur(chain, ctrl); + if (ret < 0) + return ret; } /* Backup the current value in case we need to rollback later. */ From 15469d46ba34559bfe7e3de6659115778c624759 Mon Sep 17 00:00:00 2001 From: Kees Cook Date: Thu, 8 Aug 2024 11:39:08 -0700 Subject: [PATCH 335/702] exec: Fix ToCToU between perm check and set-uid/gid usage commit f50733b45d865f91db90919f8311e2127ce5a0cb upstream. When opening a file for exec via do_filp_open(), permission checking is done against the file's metadata at that moment, and on success, a file pointer is passed back. Much later in the execve() code path, the file metadata (specifically mode, uid, and gid) is used to determine if/how to set the uid and gid. However, those values may have changed since the permissions check, meaning the execution may gain unintended privileges. For example, if a file could change permissions from executable and not set-id: ---------x 1 root root 16048 Aug 7 13:16 target to set-id and non-executable: ---S------ 1 root root 16048 Aug 7 13:16 target it is possible to gain root privileges when execution should have been disallowed. While this race condition is rare in real-world scenarios, it has been observed (and proven exploitable) when package managers are updating the setuid bits of installed programs. Such files start with being world-executable but then are adjusted to be group-exec with a set-uid bit. For example, "chmod o-x,u+s target" makes "target" executable only by uid "root" and gid "cdrom", while also becoming setuid-root: -rwxr-xr-x 1 root cdrom 16048 Aug 7 13:16 target becomes: -rwsr-xr-- 1 root cdrom 16048 Aug 7 13:16 target But racing the chmod means users without group "cdrom" membership can get the permission to execute "target" just before the chmod, and when the chmod finishes, the exec reaches brpm_fill_uid(), and performs the setuid to root, violating the expressed authorization of "only cdrom group members can setuid to root". Re-check that we still have execute permissions in case the metadata has changed. It would be better to keep a copy from the perm-check time, but until we can do that refactoring, the least-bad option is to do a full inode_permission() call (under inode lock). It is understood that this is safe against dead-locks, but hardly optimal. Reported-by: Marco Vanotti Tested-by: Marco Vanotti Suggested-by: Linus Torvalds Cc: stable@vger.kernel.org Cc: Eric Biederman Cc: Alexander Viro Cc: Christian Brauner Signed-off-by: Kees Cook Signed-off-by: Greg Kroah-Hartman --- fs/exec.c | 8 +++++++- 1 file changed, 7 insertions(+), 1 deletion(-) diff --git a/fs/exec.c b/fs/exec.c index d5c8f085235b..6a4bbe58d3c0 100644 --- a/fs/exec.c +++ b/fs/exec.c @@ -1588,6 +1588,7 @@ static void bprm_fill_uid(struct linux_binprm *bprm, struct file *file) unsigned int mode; kuid_t uid; kgid_t gid; + int err; if (!mnt_may_suid(file->f_path.mnt)) return; @@ -1603,12 +1604,17 @@ static void bprm_fill_uid(struct linux_binprm *bprm, struct file *file) /* Be careful if suid/sgid is set */ inode_lock(inode); - /* reload atomically mode/uid/gid now that lock held */ + /* Atomically reload and check mode/uid/gid now that lock held. */ mode = inode->i_mode; uid = inode->i_uid; gid = inode->i_gid; + err = inode_permission(inode, MAY_EXEC); inode_unlock(inode); + /* Did the exec bit vanish out from under us? Give up. */ + if (err) + return; + /* We ignore suid/sgid if there are no mappings for them in the ns */ if (!kuid_has_mapping(bprm->cred->user_ns, uid) || !kgid_has_mapping(bprm->cred->user_ns, gid)) From b21ea49e6e69b43ff9eabf067d40b68e7852fe0e Mon Sep 17 00:00:00 2001 From: WangYuli Date: Mon, 15 Jul 2024 17:31:44 +0800 Subject: [PATCH 336/702] nvme/pci: Add APST quirk for Lenovo N60z laptop commit ab091ec536cb7b271983c0c063b17f62f3591583 upstream. There is a hardware power-saving problem with the Lenovo N60z board. When turn it on and leave it for 10 hours, there is a 20% chance that a nvme disk will not wake up until reboot. Link: https://lore.kernel.org/all/2B5581C46AC6E335+9c7a81f1-05fb-4fd0-9fbb-108757c21628@uniontech.com Signed-off-by: hmy Signed-off-by: Wentao Guan Signed-off-by: WangYuli Signed-off-by: Keith Busch Signed-off-by: Greg Kroah-Hartman --- drivers/nvme/host/pci.c | 7 +++++++ 1 file changed, 7 insertions(+) diff --git a/drivers/nvme/host/pci.c b/drivers/nvme/host/pci.c index 4a4b7aa74835..78cac4220e03 100644 --- a/drivers/nvme/host/pci.c +++ b/drivers/nvme/host/pci.c @@ -2846,6 +2846,13 @@ static unsigned long check_vendor_combination_bug(struct pci_dev *pdev) return NVME_QUIRK_SIMPLE_SUSPEND; } + /* + * NVMe SSD drops off the PCIe bus after system idle + * for 10 hours on a Lenovo N60z board. + */ + if (dmi_match(DMI_BOARD_NAME, "LXKT-ZXEG-N6")) + return NVME_QUIRK_NO_APST; + return 0; } From 06e9e6ac59fed629c343e627302f528b54a78079 Mon Sep 17 00:00:00 2001 From: Cai Huoqing Date: Mon, 2 Aug 2021 09:37:17 +0800 Subject: [PATCH 337/702] vdpa: Make use of PFN_PHYS/PFN_UP/PFN_DOWN helper macro [ Upstream commit 729ce5a5bd6fda5eb2322a39db2287f1f26f92f3 ] it's a nice refactor to make use of PFN_PHYS/PFN_UP/PFN_DOWN helper macro Signed-off-by: Cai Huoqing Link: https://lore.kernel.org/r/20210802013717.851-1-caihuoqing@baidu.com Acked-by: Jason Wang Signed-off-by: Michael S. Tsirkin Stable-dep-of: 0823dc64586b ("vhost-vdpa: switch to use vmf_insert_pfn() in the fault handler") Signed-off-by: Sasha Levin --- drivers/vhost/vdpa.c | 24 ++++++++++++------------ 1 file changed, 12 insertions(+), 12 deletions(-) diff --git a/drivers/vhost/vdpa.c b/drivers/vhost/vdpa.c index 04578aa87e4d..f48047a1027a 100644 --- a/drivers/vhost/vdpa.c +++ b/drivers/vhost/vdpa.c @@ -519,15 +519,15 @@ static void vhost_vdpa_iotlb_unmap(struct vhost_vdpa *v, u64 start, u64 last) unsigned long pfn, pinned; while ((map = vhost_iotlb_itree_first(iotlb, start, last)) != NULL) { - pinned = map->size >> PAGE_SHIFT; - for (pfn = map->addr >> PAGE_SHIFT; + pinned = PFN_DOWN(map->size); + for (pfn = PFN_DOWN(map->addr); pinned > 0; pfn++, pinned--) { page = pfn_to_page(pfn); if (map->perm & VHOST_ACCESS_WO) set_page_dirty_lock(page); unpin_user_page(page); } - atomic64_sub(map->size >> PAGE_SHIFT, &dev->mm->pinned_vm); + atomic64_sub(PFN_DOWN(map->size), &dev->mm->pinned_vm); vhost_iotlb_map_free(iotlb, map); } } @@ -589,7 +589,7 @@ static int vhost_vdpa_map(struct vhost_vdpa *v, if (r) vhost_iotlb_del_range(dev->iotlb, iova, iova + size - 1); else - atomic64_add(size >> PAGE_SHIFT, &dev->mm->pinned_vm); + atomic64_add(PFN_DOWN(size), &dev->mm->pinned_vm); return r; } @@ -643,7 +643,7 @@ static int vhost_vdpa_process_iotlb_update(struct vhost_vdpa *v, if (msg->perm & VHOST_ACCESS_WO) gup_flags |= FOLL_WRITE; - npages = PAGE_ALIGN(msg->size + (iova & ~PAGE_MASK)) >> PAGE_SHIFT; + npages = PFN_UP(msg->size + (iova & ~PAGE_MASK)); if (!npages) { ret = -EINVAL; goto free; @@ -651,7 +651,7 @@ static int vhost_vdpa_process_iotlb_update(struct vhost_vdpa *v, mmap_read_lock(dev->mm); - lock_limit = rlimit(RLIMIT_MEMLOCK) >> PAGE_SHIFT; + lock_limit = PFN_DOWN(rlimit(RLIMIT_MEMLOCK)); if (npages + atomic64_read(&dev->mm->pinned_vm) > lock_limit) { ret = -ENOMEM; goto unlock; @@ -685,9 +685,9 @@ static int vhost_vdpa_process_iotlb_update(struct vhost_vdpa *v, if (last_pfn && (this_pfn != last_pfn + 1)) { /* Pin a contiguous chunk of memory */ - csize = (last_pfn - map_pfn + 1) << PAGE_SHIFT; + csize = PFN_PHYS(last_pfn - map_pfn + 1); ret = vhost_vdpa_map(v, iova, csize, - map_pfn << PAGE_SHIFT, + PFN_PHYS(map_pfn), msg->perm); if (ret) { /* @@ -711,13 +711,13 @@ static int vhost_vdpa_process_iotlb_update(struct vhost_vdpa *v, last_pfn = this_pfn; } - cur_base += pinned << PAGE_SHIFT; + cur_base += PFN_PHYS(pinned); npages -= pinned; } /* Pin the rest chunk */ - ret = vhost_vdpa_map(v, iova, (last_pfn - map_pfn + 1) << PAGE_SHIFT, - map_pfn << PAGE_SHIFT, msg->perm); + ret = vhost_vdpa_map(v, iova, PFN_PHYS(last_pfn - map_pfn + 1), + PFN_PHYS(map_pfn), msg->perm); out: if (ret) { if (nchunks) { @@ -961,7 +961,7 @@ static vm_fault_t vhost_vdpa_fault(struct vm_fault *vmf) vma->vm_page_prot = pgprot_noncached(vma->vm_page_prot); if (remap_pfn_range(vma, vmf->address & PAGE_MASK, - notify.addr >> PAGE_SHIFT, PAGE_SIZE, + PFN_DOWN(notify.addr), PAGE_SIZE, vma->vm_page_prot)) return VM_FAULT_SIGBUS; From a563f1243092518271e804b8c481fc1254c145bd Mon Sep 17 00:00:00 2001 From: Jason Wang Date: Mon, 1 Jul 2024 11:31:59 +0800 Subject: [PATCH 338/702] vhost-vdpa: switch to use vmf_insert_pfn() in the fault handler [ Upstream commit 0823dc64586ba5ea13a7d200a5d33e4c5fa45950 ] remap_pfn_page() should not be called in the fault handler as it may change the vma->flags which may trigger lockdep warning since the vma write lock is not held. Actually there's no need to modify the vma->flags as it has been set in the mmap(). So this patch switches to use vmf_insert_pfn() instead. Reported-by: Dragos Tatulea Tested-by: Dragos Tatulea Fixes: ddd89d0a059d ("vhost_vdpa: support doorbell mapping via mmap") Cc: stable@vger.kernel.org Signed-off-by: Jason Wang Message-Id: <20240701033159.18133-1-jasowang@redhat.com> Signed-off-by: Michael S. Tsirkin Reviewed-by: Michal Kubiak Signed-off-by: Sasha Levin --- drivers/vhost/vdpa.c | 8 +------- 1 file changed, 1 insertion(+), 7 deletions(-) diff --git a/drivers/vhost/vdpa.c b/drivers/vhost/vdpa.c index f48047a1027a..c9f585db1553 100644 --- a/drivers/vhost/vdpa.c +++ b/drivers/vhost/vdpa.c @@ -959,13 +959,7 @@ static vm_fault_t vhost_vdpa_fault(struct vm_fault *vmf) notify = ops->get_vq_notification(vdpa, index); - vma->vm_page_prot = pgprot_noncached(vma->vm_page_prot); - if (remap_pfn_range(vma, vmf->address & PAGE_MASK, - PFN_DOWN(notify.addr), PAGE_SIZE, - vma->vm_page_prot)) - return VM_FAULT_SIGBUS; - - return VM_FAULT_NOPAGE; + return vmf_insert_pfn(vma, vmf->address & PAGE_MASK, PFN_DOWN(notify.addr)); } static const struct vm_operations_struct vhost_vdpa_vm_ops = { From 80ac0cc9c0bef984e29637b1efa93d7214b42f53 Mon Sep 17 00:00:00 2001 From: Eric Dumazet Date: Sat, 15 Jun 2024 16:08:00 +0000 Subject: [PATCH 339/702] wifi: cfg80211: restrict NL80211_ATTR_TXQ_QUANTUM values [ Upstream commit d1cba2ea8121e7fdbe1328cea782876b1dd80993 ] syzbot is able to trigger softlockups, setting NL80211_ATTR_TXQ_QUANTUM to 2^31. We had a similar issue in sch_fq, fixed with commit d9e15a273306 ("pkt_sched: fq: do not accept silly TCA_FQ_QUANTUM") watchdog: BUG: soft lockup - CPU#1 stuck for 26s! [kworker/1:0:24] Modules linked in: irq event stamp: 131135 hardirqs last enabled at (131134): [] __exit_to_kernel_mode arch/arm64/kernel/entry-common.c:85 [inline] hardirqs last enabled at (131134): [] exit_to_kernel_mode+0xdc/0x10c arch/arm64/kernel/entry-common.c:95 hardirqs last disabled at (131135): [] __el1_irq arch/arm64/kernel/entry-common.c:533 [inline] hardirqs last disabled at (131135): [] el1_interrupt+0x24/0x68 arch/arm64/kernel/entry-common.c:551 softirqs last enabled at (125892): [] neigh_hh_init net/core/neighbour.c:1538 [inline] softirqs last enabled at (125892): [] neigh_resolve_output+0x268/0x658 net/core/neighbour.c:1553 softirqs last disabled at (125896): [] local_bh_disable+0x10/0x34 include/linux/bottom_half.h:19 CPU: 1 PID: 24 Comm: kworker/1:0 Not tainted 6.9.0-rc7-syzkaller-gfda5695d692c #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024 Workqueue: mld mld_ifc_work pstate: 80400005 (Nzcv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) pc : __list_del include/linux/list.h:195 [inline] pc : __list_del_entry include/linux/list.h:218 [inline] pc : list_move_tail include/linux/list.h:310 [inline] pc : fq_tin_dequeue include/net/fq_impl.h:112 [inline] pc : ieee80211_tx_dequeue+0x6b8/0x3b4c net/mac80211/tx.c:3854 lr : __list_del_entry include/linux/list.h:218 [inline] lr : list_move_tail include/linux/list.h:310 [inline] lr : fq_tin_dequeue include/net/fq_impl.h:112 [inline] lr : ieee80211_tx_dequeue+0x67c/0x3b4c net/mac80211/tx.c:3854 sp : ffff800093d36700 x29: ffff800093d36a60 x28: ffff800093d36960 x27: dfff800000000000 x26: ffff0000d800ad50 x25: ffff0000d800abe0 x24: ffff0000d800abf0 x23: ffff0000e0032468 x22: ffff0000e00324d4 x21: ffff0000d800abf0 x20: ffff0000d800abf8 x19: ffff0000d800abf0 x18: ffff800093d363c0 x17: 000000000000d476 x16: ffff8000805519dc x15: ffff7000127a6cc8 x14: 1ffff000127a6cc8 x13: 0000000000000004 x12: ffffffffffffffff x11: ffff7000127a6cc8 x10: 0000000000ff0100 x9 : 0000000000000000 x8 : 0000000000000000 x7 : 0000000000000000 x6 : 0000000000000000 x5 : ffff80009287aa08 x4 : 0000000000000008 x3 : ffff80008034c7fc x2 : ffff0000e0032468 x1 : 00000000da0e46b8 x0 : ffff0000e0032470 Call trace: __list_del include/linux/list.h:195 [inline] __list_del_entry include/linux/list.h:218 [inline] list_move_tail include/linux/list.h:310 [inline] fq_tin_dequeue include/net/fq_impl.h:112 [inline] ieee80211_tx_dequeue+0x6b8/0x3b4c net/mac80211/tx.c:3854 wake_tx_push_queue net/mac80211/util.c:294 [inline] ieee80211_handle_wake_tx_queue+0x118/0x274 net/mac80211/util.c:315 drv_wake_tx_queue net/mac80211/driver-ops.h:1350 [inline] schedule_and_wake_txq net/mac80211/driver-ops.h:1357 [inline] ieee80211_queue_skb+0x18e8/0x2244 net/mac80211/tx.c:1664 ieee80211_tx+0x260/0x400 net/mac80211/tx.c:1966 ieee80211_xmit+0x278/0x354 net/mac80211/tx.c:2062 __ieee80211_subif_start_xmit+0xab8/0x122c net/mac80211/tx.c:4338 ieee80211_subif_start_xmit+0xe0/0x438 net/mac80211/tx.c:4532 __netdev_start_xmit include/linux/netdevice.h:4903 [inline] netdev_start_xmit include/linux/netdevice.h:4917 [inline] xmit_one net/core/dev.c:3531 [inline] dev_hard_start_xmit+0x27c/0x938 net/core/dev.c:3547 __dev_queue_xmit+0x1678/0x33fc net/core/dev.c:4341 dev_queue_xmit include/linux/netdevice.h:3091 [inline] neigh_resolve_output+0x558/0x658 net/core/neighbour.c:1563 neigh_output include/net/neighbour.h:542 [inline] ip6_finish_output2+0x104c/0x1ee8 net/ipv6/ip6_output.c:137 ip6_finish_output+0x428/0x7a0 net/ipv6/ip6_output.c:222 NF_HOOK_COND include/linux/netfilter.h:303 [inline] ip6_output+0x270/0x594 net/ipv6/ip6_output.c:243 dst_output include/net/dst.h:450 [inline] NF_HOOK+0x160/0x4f0 include/linux/netfilter.h:314 mld_sendpack+0x7b4/0x10f4 net/ipv6/mcast.c:1818 mld_send_cr net/ipv6/mcast.c:2119 [inline] mld_ifc_work+0x840/0xd0c net/ipv6/mcast.c:2650 process_one_work+0x7b8/0x15d4 kernel/workqueue.c:3267 process_scheduled_works kernel/workqueue.c:3348 [inline] worker_thread+0x938/0xef4 kernel/workqueue.c:3429 kthread+0x288/0x310 kernel/kthread.c:388 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:860 Fixes: 52539ca89f36 ("cfg80211: Expose TXQ stats and parameters to userspace") Signed-off-by: Eric Dumazet Link: https://patch.msgid.link/20240615160800.250667-1-edumazet@google.com Signed-off-by: Johannes Berg Signed-off-by: Sasha Levin Signed-off-by: Greg Kroah-Hartman --- net/wireless/nl80211.c | 6 +++++- 1 file changed, 5 insertions(+), 1 deletion(-) diff --git a/net/wireless/nl80211.c b/net/wireless/nl80211.c index f9ad7de710cb..9a6bbf24b0f7 100644 --- a/net/wireless/nl80211.c +++ b/net/wireless/nl80211.c @@ -403,6 +403,10 @@ nl80211_unsol_bcast_probe_resp_policy[NL80211_UNSOL_BCAST_PROBE_RESP_ATTR_MAX + .len = IEEE80211_MAX_DATA_LEN } }; +static struct netlink_range_validation q_range = { + .max = INT_MAX, +}; + static const struct nla_policy nl80211_policy[NUM_NL80211_ATTR] = { [0] = { .strict_start_type = NL80211_ATTR_HE_OBSS_PD }, [NL80211_ATTR_WIPHY] = { .type = NLA_U32 }, @@ -685,7 +689,7 @@ static const struct nla_policy nl80211_policy[NUM_NL80211_ATTR] = { [NL80211_ATTR_TXQ_LIMIT] = { .type = NLA_U32 }, [NL80211_ATTR_TXQ_MEMORY_LIMIT] = { .type = NLA_U32 }, - [NL80211_ATTR_TXQ_QUANTUM] = { .type = NLA_U32 }, + [NL80211_ATTR_TXQ_QUANTUM] = NLA_POLICY_FULL_RANGE(NLA_U32, &q_range), [NL80211_ATTR_HE_CAPABILITY] = NLA_POLICY_RANGE(NLA_BINARY, NL80211_HE_MIN_CAPABILITY_LEN, From e1ee1c4198c7a1fc5f3c23f472152b0e7fd76c08 Mon Sep 17 00:00:00 2001 From: Michael Walle Date: Mon, 17 Jun 2024 11:13:29 +0200 Subject: [PATCH 340/702] ARM: dts: imx6qdl-kontron-samx6i: fix phy-mode commit 0df3c7d7a73d75153090637392c0b73a63cdc24a upstream. The i.MX6 cannot add any RGMII delays. The PHY has to add both the RX and TX delays on the RGMII interface. Fix the interface mode. While at it, use the new phy-connection-type property name. Fixes: 5694eed98cca ("ARM: dts: imx6qdl-kontron-samx6i: move phy reset into phy-node") Signed-off-by: Michael Walle Signed-off-by: Shawn Guo Signed-off-by: Greg Kroah-Hartman --- arch/arm/boot/dts/imx6qdl-kontron-samx6i.dtsi | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/arch/arm/boot/dts/imx6qdl-kontron-samx6i.dtsi b/arch/arm/boot/dts/imx6qdl-kontron-samx6i.dtsi index 9ec1519e1719..2d1cc67628b4 100644 --- a/arch/arm/boot/dts/imx6qdl-kontron-samx6i.dtsi +++ b/arch/arm/boot/dts/imx6qdl-kontron-samx6i.dtsi @@ -260,7 +260,7 @@ smarc_flash: flash@0 { &fec { pinctrl-names = "default"; pinctrl-0 = <&pinctrl_enet>; - phy-mode = "rgmii"; + phy-connection-type = "rgmii-id"; phy-handle = <ðphy>; mdio { From 2de18b5cc38e83428316d6d6d05a702208fb299b Mon Sep 17 00:00:00 2001 From: Sean Young Date: Thu, 8 Aug 2024 10:35:19 +0200 Subject: [PATCH 341/702] media: Revert "media: dvb-usb: Fix unexpected infinite loop in dvb_usb_read_remote_control()" commit 0c84bde4f37ba27d50e4c70ecacd33fe4a57030d upstream. This reverts commit 2052138b7da52ad5ccaf74f736d00f39a1c9198c. This breaks the TeVii s480 dual DVB-S2 S660. The device has a bulk in endpoint but no corresponding out endpoint, so the device does not pass the "has both receive and send bulk endpoint" test. Seemingly this device does not use dvb_usb_generic_rw() so I have tried removing the generic_bulk_ctrl_endpoint entry, but this resulted in different problems. As we have no explanation yet, revert. $ dmesg | grep -i -e dvb -e dw21 -e usb\ 4 [ 0.999122] usb 1-1: new high-speed USB device number 2 using ehci-pci [ 1.023123] usb 4-1: new high-speed USB device number 2 using ehci-pci [ 1.130247] usb 1-1: New USB device found, idVendor=9022, idProduct=d482, +bcdDevice= 0.01 [ 1.130257] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 1.152323] usb 4-1: New USB device found, idVendor=9022, idProduct=d481, +bcdDevice= 0.01 [ 1.152329] usb 4-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 6.701033] dvb-usb: found a 'TeVii S480.2 USB' in cold state, will try to +load a firmware [ 6.701178] dvb-usb: downloading firmware from file 'dvb-usb-s660.fw' [ 6.701179] dw2102: start downloading DW210X firmware [ 6.703715] dvb-usb: found a 'Microsoft Xbox One Digital TV Tuner' in cold +state, will try to load a firmware [ 6.703974] dvb-usb: downloading firmware from file 'dvb-usb-dib0700-1.20.fw' [ 6.756432] usb 1-1: USB disconnect, device number 2 [ 6.862119] dvb-usb: found a 'TeVii S480.2 USB' in warm state. [ 6.862194] dvb-usb: TeVii S480.2 USB error while loading driver (-22) [ 6.862209] dvb-usb: found a 'TeVii S480.1 USB' in cold state, will try to +load a firmware [ 6.862244] dvb-usb: downloading firmware from file 'dvb-usb-s660.fw' [ 6.862245] dw2102: start downloading DW210X firmware [ 6.914811] usb 4-1: USB disconnect, device number 2 [ 7.014131] dvb-usb: found a 'TeVii S480.1 USB' in warm state. [ 7.014487] dvb-usb: TeVii S480.1 USB error while loading driver (-22) [ 7.014538] usbcore: registered new interface driver dw2102 Closes: https://lore.kernel.org/stable/20240801165146.38991f60@mir/ Fixes: 2052138b7da5 ("media: dvb-usb: Fix unexpected infinite loop in dvb_usb_read_remote_control()") Reported-by: Stefan Lippers-Hollmann Cc: stable@vger.kernel.org Signed-off-by: Sean Young Signed-off-by: Mauro Carvalho Chehab Signed-off-by: Greg Kroah-Hartman --- drivers/media/usb/dvb-usb/dvb-usb-init.c | 35 +++--------------------- 1 file changed, 4 insertions(+), 31 deletions(-) diff --git a/drivers/media/usb/dvb-usb/dvb-usb-init.c b/drivers/media/usb/dvb-usb/dvb-usb-init.c index 6cf6d08cc4ec..58eea8ab5477 100644 --- a/drivers/media/usb/dvb-usb/dvb-usb-init.c +++ b/drivers/media/usb/dvb-usb/dvb-usb-init.c @@ -23,40 +23,11 @@ static int dvb_usb_force_pid_filter_usage; module_param_named(force_pid_filter_usage, dvb_usb_force_pid_filter_usage, int, 0444); MODULE_PARM_DESC(force_pid_filter_usage, "force all dvb-usb-devices to use a PID filter, if any (default: 0)."); -static int dvb_usb_check_bulk_endpoint(struct dvb_usb_device *d, u8 endpoint) -{ - if (endpoint) { - int ret; - - ret = usb_pipe_type_check(d->udev, usb_sndbulkpipe(d->udev, endpoint)); - if (ret) - return ret; - ret = usb_pipe_type_check(d->udev, usb_rcvbulkpipe(d->udev, endpoint)); - if (ret) - return ret; - } - return 0; -} - -static void dvb_usb_clear_halt(struct dvb_usb_device *d, u8 endpoint) -{ - if (endpoint) { - usb_clear_halt(d->udev, usb_sndbulkpipe(d->udev, endpoint)); - usb_clear_halt(d->udev, usb_rcvbulkpipe(d->udev, endpoint)); - } -} - static int dvb_usb_adapter_init(struct dvb_usb_device *d, short *adapter_nrs) { struct dvb_usb_adapter *adap; int ret, n, o; - ret = dvb_usb_check_bulk_endpoint(d, d->props.generic_bulk_ctrl_endpoint); - if (ret) - return ret; - ret = dvb_usb_check_bulk_endpoint(d, d->props.generic_bulk_ctrl_endpoint_response); - if (ret) - return ret; for (n = 0; n < d->props.num_adapters; n++) { adap = &d->adapter[n]; adap->dev = d; @@ -132,8 +103,10 @@ static int dvb_usb_adapter_init(struct dvb_usb_device *d, short *adapter_nrs) * when reloading the driver w/o replugging the device * sometimes a timeout occurs, this helps */ - dvb_usb_clear_halt(d, d->props.generic_bulk_ctrl_endpoint); - dvb_usb_clear_halt(d, d->props.generic_bulk_ctrl_endpoint_response); + if (d->props.generic_bulk_ctrl_endpoint != 0) { + usb_clear_halt(d->udev, usb_sndbulkpipe(d->udev, d->props.generic_bulk_ctrl_endpoint)); + usb_clear_halt(d->udev, usb_rcvbulkpipe(d->udev, d->props.generic_bulk_ctrl_endpoint)); + } return 0; From b2add7c50b5bf51a401424ad00792b130a73c2c5 Mon Sep 17 00:00:00 2001 From: Greg Kroah-Hartman Date: Mon, 19 Aug 2024 05:41:24 +0200 Subject: [PATCH 342/702] Linux 5.10.224 Link: https://lore.kernel.org/r/20240815131919.196120297@linuxfoundation.org Tested-by: Pavel Machek (CIP) Tested-by: Florian Fainelli Link: https://lore.kernel.org/r/20240816101509.001640500@linuxfoundation.org Tested-by: Mark Brown Tested-by: Pavel Machek (CIP) Tested-by: Florian Fainelli Link: https://lore.kernel.org/r/20240817074737.217182940@linuxfoundation.org Tested-by: Jon Hunter Tested-by: Pavel Machek (CIP) Signed-off-by: Greg Kroah-Hartman --- Makefile | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/Makefile b/Makefile index 91c79c64f5a3..38351794f6c9 100644 --- a/Makefile +++ b/Makefile @@ -1,7 +1,7 @@ # SPDX-License-Identifier: GPL-2.0 VERSION = 5 PATCHLEVEL = 10 -SUBLEVEL = 223 +SUBLEVEL = 224 EXTRAVERSION = NAME = Dare mighty things From 3141b23999986ef56681a9ef1f5bef0a5559fb1a Mon Sep 17 00:00:00 2001 From: Greg Kroah-Hartman Date: Fri, 30 Aug 2024 06:49:18 +0000 Subject: [PATCH 343/702] Revert "irqchip/imx-irqsteer: Handle runtime power management correctly" This reverts commit 3a2884a44e5cda192df1b28e9925661f79f599a1 which is commit 33b1c47d1fc0b5f06a393bb915db85baacba18ea upstream. It breaks the Android kernel abi and can be brought back in the future in an abi-safe way if it is really needed. Bug: 161946584 Change-Id: I881226ff7d30ae45297dfe4b4dc7337d7381b907 Signed-off-by: Greg Kroah-Hartman --- drivers/irqchip/irq-imx-irqsteer.c | 24 +++--------------------- 1 file changed, 3 insertions(+), 21 deletions(-) diff --git a/drivers/irqchip/irq-imx-irqsteer.c b/drivers/irqchip/irq-imx-irqsteer.c index 4bdcefa44f11..b1ecdb08c618 100644 --- a/drivers/irqchip/irq-imx-irqsteer.c +++ b/drivers/irqchip/irq-imx-irqsteer.c @@ -35,7 +35,6 @@ struct irqsteer_data { int channel; struct irq_domain *domain; u32 *saved_reg; - struct device *dev; }; static int imx_irqsteer_get_reg_index(struct irqsteer_data *data, @@ -72,26 +71,10 @@ static void imx_irqsteer_irq_mask(struct irq_data *d) raw_spin_unlock_irqrestore(&data->lock, flags); } -static void imx_irqsteer_irq_bus_lock(struct irq_data *d) -{ - struct irqsteer_data *data = d->chip_data; - - pm_runtime_get_sync(data->dev); -} - -static void imx_irqsteer_irq_bus_sync_unlock(struct irq_data *d) -{ - struct irqsteer_data *data = d->chip_data; - - pm_runtime_put_autosuspend(data->dev); -} - static const struct irq_chip imx_irqsteer_irq_chip = { - .name = "irqsteer", - .irq_mask = imx_irqsteer_irq_mask, - .irq_unmask = imx_irqsteer_irq_unmask, - .irq_bus_lock = imx_irqsteer_irq_bus_lock, - .irq_bus_sync_unlock = imx_irqsteer_irq_bus_sync_unlock, + .name = "irqsteer", + .irq_mask = imx_irqsteer_irq_mask, + .irq_unmask = imx_irqsteer_irq_unmask, }; static int imx_irqsteer_irq_map(struct irq_domain *h, unsigned int irq, @@ -169,7 +152,6 @@ static int imx_irqsteer_probe(struct platform_device *pdev) if (!data) return -ENOMEM; - data->dev = &pdev->dev; data->regs = devm_platform_ioremap_resource(pdev, 0); if (IS_ERR(data->regs)) { dev_err(&pdev->dev, "failed to initialize reg\n"); From 6943c015b0375644c77af99f92d672d05ff2e90e Mon Sep 17 00:00:00 2001 From: Greg Kroah-Hartman Date: Fri, 30 Aug 2024 06:49:39 +0000 Subject: [PATCH 344/702] Revert "irqchip/imx-irqsteer: Add runtime PM support" This reverts commit 0548b54d0a26a60e159f0d550b09987630fb8846 which is commit 4730d2233311d86cad9dc510318d1b40e4b53cf2 upstream. It breaks the Android kernel abi and can be brought back in the future in an abi-safe way if it is really needed. Bug: 161946584 Change-Id: I83042b752bcb6a1036e29033e836ea4adfb150aa Signed-off-by: Greg Kroah-Hartman --- drivers/irqchip/irq-imx-irqsteer.c | 14 +++----------- 1 file changed, 3 insertions(+), 11 deletions(-) diff --git a/drivers/irqchip/irq-imx-irqsteer.c b/drivers/irqchip/irq-imx-irqsteer.c index b1ecdb08c618..c9998b46414c 100644 --- a/drivers/irqchip/irq-imx-irqsteer.c +++ b/drivers/irqchip/irq-imx-irqsteer.c @@ -12,7 +12,6 @@ #include #include #include -#include #include #define CTRL_STRIDE_OFF(_t, _r) (_t * 4 * _r) @@ -179,7 +178,7 @@ static int imx_irqsteer_probe(struct platform_device *pdev) data->irq_count = DIV_ROUND_UP(irqs_num, 64); data->reg_num = irqs_num / 32; - if (IS_ENABLED(CONFIG_PM)) { + if (IS_ENABLED(CONFIG_PM_SLEEP)) { data->saved_reg = devm_kzalloc(&pdev->dev, sizeof(u32) * data->reg_num, GFP_KERNEL); @@ -203,7 +202,6 @@ static int imx_irqsteer_probe(struct platform_device *pdev) ret = -ENOMEM; goto out; } - irq_domain_set_pm_device(data->domain, &pdev->dev); if (!data->irq_count || data->irq_count > CHAN_MAX_OUTPUT_INT) { ret = -EINVAL; @@ -224,9 +222,6 @@ static int imx_irqsteer_probe(struct platform_device *pdev) platform_set_drvdata(pdev, data); - pm_runtime_set_active(&pdev->dev); - pm_runtime_enable(&pdev->dev); - return 0; out: clk_disable_unprepare(data->ipg_clk); @@ -249,7 +244,7 @@ static int imx_irqsteer_remove(struct platform_device *pdev) return 0; } -#ifdef CONFIG_PM +#ifdef CONFIG_PM_SLEEP static void imx_irqsteer_save_regs(struct irqsteer_data *data) { int i; @@ -296,10 +291,7 @@ static int imx_irqsteer_resume(struct device *dev) #endif static const struct dev_pm_ops imx_irqsteer_pm_ops = { - SET_NOIRQ_SYSTEM_SLEEP_PM_OPS(pm_runtime_force_suspend, - pm_runtime_force_resume) - SET_RUNTIME_PM_OPS(imx_irqsteer_suspend, - imx_irqsteer_resume, NULL) + SET_NOIRQ_SYSTEM_SLEEP_PM_OPS(imx_irqsteer_suspend, imx_irqsteer_resume) }; static const struct of_device_id imx_irqsteer_dt_ids[] = { From b5df17128a60a4a7d8792e4c94221174d44fa30e Mon Sep 17 00:00:00 2001 From: Greg Kroah-Hartman Date: Fri, 30 Aug 2024 06:49:51 +0000 Subject: [PATCH 345/702] Revert "irqchip/imx-irqsteer: Constify irq_chip struct" This reverts commit 06a93b720351d7fc5b11f39fd4a91bc9197e79ee which is commit e9a50f12e579a48e124ac5adb93dafc35f0a46b8 upstream. It breaks the Android kernel abi and can be brought back in the future in an abi-safe way if it is really needed. Bug: 161946584 Change-Id: Ib907b82915f576c228c2b293b48ee0a9a58e9d82 Signed-off-by: Greg Kroah-Hartman --- drivers/irqchip/irq-imx-irqsteer.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/irqchip/irq-imx-irqsteer.c b/drivers/irqchip/irq-imx-irqsteer.c index c9998b46414c..1edf7692a790 100644 --- a/drivers/irqchip/irq-imx-irqsteer.c +++ b/drivers/irqchip/irq-imx-irqsteer.c @@ -70,7 +70,7 @@ static void imx_irqsteer_irq_mask(struct irq_data *d) raw_spin_unlock_irqrestore(&data->lock, flags); } -static const struct irq_chip imx_irqsteer_irq_chip = { +static struct irq_chip imx_irqsteer_irq_chip = { .name = "irqsteer", .irq_mask = imx_irqsteer_irq_mask, .irq_unmask = imx_irqsteer_irq_unmask, From e62a1579e06ec6306dbbbcc9023a4b9a2ab46f54 Mon Sep 17 00:00:00 2001 From: Greg Kroah-Hartman Date: Fri, 30 Aug 2024 10:04:57 +0000 Subject: [PATCH 346/702] Revert "genirq: Allow irq_chip registration functions to take a const irq_chip" This reverts commit c476c5c7bb8d8f6fbd2bf8d62cd188d1fcd95e1a which is commit 393e1280f765661cf39785e967676a4e57324126 upstream. It breaks the Android kernel abi and can be brought back in the future in an abi-safe way if it is really needed. Bug: 161946584 Change-Id: If02b4d096b62cb90fc84ec181c3b7168c1c30267 Signed-off-by: Greg Kroah-Hartman --- include/linux/irq.h | 7 +++---- kernel/irq/chip.c | 9 ++++++--- 2 files changed, 9 insertions(+), 7 deletions(-) diff --git a/include/linux/irq.h b/include/linux/irq.h index 0a77ef4b0085..f07d9f122de6 100644 --- a/include/linux/irq.h +++ b/include/linux/irq.h @@ -710,11 +710,10 @@ extern struct irq_chip no_irq_chip; extern struct irq_chip dummy_irq_chip; extern void -irq_set_chip_and_handler_name(unsigned int irq, const struct irq_chip *chip, +irq_set_chip_and_handler_name(unsigned int irq, struct irq_chip *chip, irq_flow_handler_t handle, const char *name); -static inline void irq_set_chip_and_handler(unsigned int irq, - const struct irq_chip *chip, +static inline void irq_set_chip_and_handler(unsigned int irq, struct irq_chip *chip, irq_flow_handler_t handle) { irq_set_chip_and_handler_name(irq, chip, handle, NULL); @@ -807,7 +806,7 @@ static inline void irq_set_percpu_devid_flags(unsigned int irq) } /* Set/get chip/data for an IRQ: */ -extern int irq_set_chip(unsigned int irq, const struct irq_chip *chip); +extern int irq_set_chip(unsigned int irq, struct irq_chip *chip); extern int irq_set_handler_data(unsigned int irq, void *data); extern int irq_set_chip_data(unsigned int irq, void *data); extern int irq_set_irq_type(unsigned int irq, unsigned int type); diff --git a/kernel/irq/chip.c b/kernel/irq/chip.c index bd5b92a5ef51..c607a341629e 100644 --- a/kernel/irq/chip.c +++ b/kernel/irq/chip.c @@ -39,7 +39,7 @@ struct irqaction chained_action = { * @irq: irq number * @chip: pointer to irq chip description structure */ -int irq_set_chip(unsigned int irq, const struct irq_chip *chip) +int irq_set_chip(unsigned int irq, struct irq_chip *chip) { unsigned long flags; struct irq_desc *desc = irq_get_desc_lock(irq, &flags, 0); @@ -47,7 +47,10 @@ int irq_set_chip(unsigned int irq, const struct irq_chip *chip) if (!desc) return -EINVAL; - desc->irq_data.chip = (struct irq_chip *)(chip ?: &no_irq_chip); + if (!chip) + chip = &no_irq_chip; + + desc->irq_data.chip = chip; irq_put_desc_unlock(desc, flags); /* * For !CONFIG_SPARSE_IRQ make the irq show up in @@ -1114,7 +1117,7 @@ irq_set_chained_handler_and_data(unsigned int irq, irq_flow_handler_t handle, EXPORT_SYMBOL_GPL(irq_set_chained_handler_and_data); void -irq_set_chip_and_handler_name(unsigned int irq, const struct irq_chip *chip, +irq_set_chip_and_handler_name(unsigned int irq, struct irq_chip *chip, irq_flow_handler_t handle, const char *name) { irq_set_chip(irq, chip); From 0c105dabe6abd145e8ab392f3ed96d5dd6791f15 Mon Sep 17 00:00:00 2001 From: Greg Kroah-Hartman Date: Fri, 30 Aug 2024 06:50:07 +0000 Subject: [PATCH 347/702] Revert "genirq: Allow the PM device to originate from irq domain" This reverts commit 652e7b4d730067934b544e4d74cd574813045e37 which is commit 1f8863bfb5ca500ea1c7669b16b1931ba27fce20 upstream. It breaks the Android kernel abi and can be brought back in the future in an abi-safe way if it is really needed. Bug: 161946584 Change-Id: I0ce88d80cd15d5f5d561cb9569209c5bf2e40b0f Signed-off-by: Greg Kroah-Hartman --- include/linux/irqdomain.h | 10 ---------- kernel/irq/chip.c | 23 +++++------------------ 2 files changed, 5 insertions(+), 28 deletions(-) diff --git a/include/linux/irqdomain.h b/include/linux/irqdomain.h index f2b9f63a8b46..1d62f241cd87 100644 --- a/include/linux/irqdomain.h +++ b/include/linux/irqdomain.h @@ -150,8 +150,6 @@ struct irq_domain_chip_generic; * @gc: Pointer to a list of generic chips. There is a helper function for * setting up one or more generic chips for interrupt controllers * drivers using the generic chip library which uses this pointer. - * @dev: Pointer to a device that the domain represent, and that will be - * used for power management purposes. * @parent: Pointer to parent irq_domain to support hierarchy irq_domains * @debugfs_file: dentry for the domain debugfs file * @@ -174,7 +172,6 @@ struct irq_domain { struct fwnode_handle *fwnode; enum irq_domain_bus_token bus_token; struct irq_domain_chip_generic *gc; - struct device *dev; #ifdef CONFIG_IRQ_DOMAIN_HIERARCHY struct irq_domain *parent; #endif @@ -236,13 +233,6 @@ static inline struct device_node *irq_domain_get_of_node(struct irq_domain *d) return to_of_node(d->fwnode); } -static inline void irq_domain_set_pm_device(struct irq_domain *d, - struct device *dev) -{ - if (d) - d->dev = dev; -} - #ifdef CONFIG_IRQ_DOMAIN struct fwnode_handle *__irq_domain_alloc_fwnode(unsigned int type, int id, const char *name, phys_addr_t *pa); diff --git a/kernel/irq/chip.c b/kernel/irq/chip.c index c607a341629e..afef8711bd6e 100644 --- a/kernel/irq/chip.c +++ b/kernel/irq/chip.c @@ -1609,17 +1609,6 @@ int irq_chip_compose_msi_msg(struct irq_data *data, struct msi_msg *msg) return 0; } -static struct device *irq_get_parent_device(struct irq_data *data) -{ - if (data->chip->parent_device) - return data->chip->parent_device; - - if (data->domain) - return data->domain->dev; - - return NULL; -} - /** * irq_chip_pm_get - Enable power for an IRQ chip * @data: Pointer to interrupt specific data @@ -1629,13 +1618,12 @@ static struct device *irq_get_parent_device(struct irq_data *data) */ int irq_chip_pm_get(struct irq_data *data) { - struct device *dev = irq_get_parent_device(data); int retval; - if (IS_ENABLED(CONFIG_PM) && dev) { - retval = pm_runtime_get_sync(dev); + if (IS_ENABLED(CONFIG_PM) && data->chip->parent_device) { + retval = pm_runtime_get_sync(data->chip->parent_device); if (retval < 0) { - pm_runtime_put_noidle(dev); + pm_runtime_put_noidle(data->chip->parent_device); return retval; } } @@ -1653,11 +1641,10 @@ int irq_chip_pm_get(struct irq_data *data) */ int irq_chip_pm_put(struct irq_data *data) { - struct device *dev = irq_get_parent_device(data); int retval = 0; - if (IS_ENABLED(CONFIG_PM) && dev) - retval = pm_runtime_put(dev); + if (IS_ENABLED(CONFIG_PM) && data->chip->parent_device) + retval = pm_runtime_put(data->chip->parent_device); return (retval < 0) ? retval : 0; } From 4690e2171f651e2b415e3941ce17f2f7b813aff6 Mon Sep 17 00:00:00 2001 From: Jann Horn Date: Tue, 6 Aug 2024 21:51:42 +0200 Subject: [PATCH 348/702] fuse: Initialize beyond-EOF page contents before setting uptodate commit 3c0da3d163eb32f1f91891efaade027fa9b245b9 upstream. fuse_notify_store(), unlike fuse_do_readpage(), does not enable page zeroing (because it can be used to change partial page contents). So fuse_notify_store() must be more careful to fully initialize page contents (including parts of the page that are beyond end-of-file) before marking the page uptodate. The current code can leave beyond-EOF page contents uninitialized, which makes these uninitialized page contents visible to userspace via mmap(). This is an information leak, but only affects systems which do not enable init-on-alloc (via CONFIG_INIT_ON_ALLOC_DEFAULT_ON=y or the corresponding kernel command line parameter). Link: https://bugs.chromium.org/p/project-zero/issues/detail?id=2574 Cc: stable@kernel.org Fixes: a1d75f258230 ("fuse: add store request") Signed-off-by: Jann Horn Signed-off-by: Linus Torvalds Signed-off-by: Greg Kroah-Hartman --- fs/fuse/dev.c | 6 ++++-- 1 file changed, 4 insertions(+), 2 deletions(-) diff --git a/fs/fuse/dev.c b/fs/fuse/dev.c index 8ac91ba05d6d..e6cbed7aedcb 100644 --- a/fs/fuse/dev.c +++ b/fs/fuse/dev.c @@ -1627,9 +1627,11 @@ static int fuse_notify_store(struct fuse_conn *fc, unsigned int size, this_num = min_t(unsigned, num, PAGE_SIZE - offset); err = fuse_copy_page(cs, &page, offset, this_num, 0); - if (!err && offset == 0 && - (this_num == PAGE_SIZE || file_size == end)) + if (!PageUptodate(page) && !err && offset == 0 && + (this_num == PAGE_SIZE || file_size == end)) { + zero_user_segment(page, this_num, PAGE_SIZE); SetPageUptodate(page); + } unlock_page(page); put_page(page); From 4905e56f7bac3c21de1351664b2bae3995e95dcd Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Juan=20Jos=C3=A9=20Arboleda?= Date: Tue, 13 Aug 2024 11:10:53 -0500 Subject: [PATCH 349/702] ALSA: usb-audio: Support Yamaha P-125 quirk entry MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit commit c286f204ce6ba7b48e3dcba53eda7df8eaa64dd9 upstream. This patch adds a USB quirk for the Yamaha P-125 digital piano. Signed-off-by: Juan José Arboleda Cc: Link: https://patch.msgid.link/20240813161053.70256-1-soyjuanarbol@gmail.com Signed-off-by: Takashi Iwai Signed-off-by: Greg Kroah-Hartman --- sound/usb/quirks-table.h | 1 + 1 file changed, 1 insertion(+) diff --git a/sound/usb/quirks-table.h b/sound/usb/quirks-table.h index 8f2fb2ac7af6..008229ae7ff4 100644 --- a/sound/usb/quirks-table.h +++ b/sound/usb/quirks-table.h @@ -273,6 +273,7 @@ YAMAHA_DEVICE(0x105a, NULL), YAMAHA_DEVICE(0x105b, NULL), YAMAHA_DEVICE(0x105c, NULL), YAMAHA_DEVICE(0x105d, NULL), +YAMAHA_DEVICE(0x1718, "P-125"), { USB_DEVICE(0x0499, 0x1503), .driver_info = (unsigned long) & (const struct snd_usb_audio_quirk) { From 0f0654318e25b2c185e245ba4a591e42fabb5e59 Mon Sep 17 00:00:00 2001 From: Mathias Nyman Date: Thu, 15 Aug 2024 17:11:17 +0300 Subject: [PATCH 350/702] xhci: Fix Panther point NULL pointer deref at full-speed re-enumeration commit af8e119f52e9c13e556be9e03f27957554a84656 upstream. re-enumerating full-speed devices after a failed address device command can trigger a NULL pointer dereference. Full-speed devices may need to reconfigure the endpoint 0 Max Packet Size value during enumeration. Usb core calls usb_ep0_reinit() in this case, which ends up calling xhci_configure_endpoint(). On Panther point xHC the xhci_configure_endpoint() function will additionally check and reserve bandwidth in software. Other hosts do this in hardware If xHC address device command fails then a new xhci_virt_device structure is allocated as part of re-enabling the slot, but the bandwidth table pointers are not set up properly here. This triggers the NULL pointer dereference the next time usb_ep0_reinit() is called and xhci_configure_endpoint() tries to check and reserve bandwidth [46710.713538] usb 3-1: new full-speed USB device number 5 using xhci_hcd [46710.713699] usb 3-1: Device not responding to setup address. [46710.917684] usb 3-1: Device not responding to setup address. [46711.125536] usb 3-1: device not accepting address 5, error -71 [46711.125594] BUG: kernel NULL pointer dereference, address: 0000000000000008 [46711.125600] #PF: supervisor read access in kernel mode [46711.125603] #PF: error_code(0x0000) - not-present page [46711.125606] PGD 0 P4D 0 [46711.125610] Oops: Oops: 0000 [#1] PREEMPT SMP PTI [46711.125615] CPU: 1 PID: 25760 Comm: kworker/1:2 Not tainted 6.10.3_2 #1 [46711.125620] Hardware name: Gigabyte Technology Co., Ltd. [46711.125623] Workqueue: usb_hub_wq hub_event [usbcore] [46711.125668] RIP: 0010:xhci_reserve_bandwidth (drivers/usb/host/xhci.c Fix this by making sure bandwidth table pointers are set up correctly after a failed address device command, and additionally by avoiding checking for bandwidth in cases like this where no actual endpoints are added or removed, i.e. only context for default control endpoint 0 is evaluated. Reported-by: Karel Balej Closes: https://lore.kernel.org/linux-usb/D3CKQQAETH47.1MUO22RTCH2O3@matfyz.cz/ Cc: stable@vger.kernel.org Fixes: 651aaf36a7d7 ("usb: xhci: Handle USB transaction error on address command") Signed-off-by: Mathias Nyman Link: https://lore.kernel.org/r/20240815141117.2702314-2-mathias.nyman@linux.intel.com Signed-off-by: Greg Kroah-Hartman --- drivers/usb/host/xhci.c | 8 +++++--- 1 file changed, 5 insertions(+), 3 deletions(-) diff --git a/drivers/usb/host/xhci.c b/drivers/usb/host/xhci.c index b069fe3f8ab0..19914d08fc0d 100644 --- a/drivers/usb/host/xhci.c +++ b/drivers/usb/host/xhci.c @@ -2826,7 +2826,7 @@ static int xhci_configure_endpoint(struct xhci_hcd *xhci, xhci->num_active_eps); return -ENOMEM; } - if ((xhci->quirks & XHCI_SW_BW_CHECKING) && + if ((xhci->quirks & XHCI_SW_BW_CHECKING) && !ctx_change && xhci_reserve_bandwidth(xhci, virt_dev, command->in_ctx)) { if ((xhci->quirks & XHCI_EP_LIMIT_QUIRK)) xhci_free_host_resources(xhci, ctrl_ctx); @@ -4242,8 +4242,10 @@ static int xhci_setup_device(struct usb_hcd *hcd, struct usb_device *udev, mutex_unlock(&xhci->mutex); ret = xhci_disable_slot(xhci, udev->slot_id); xhci_free_virt_device(xhci, udev->slot_id); - if (!ret) - xhci_alloc_dev(hcd, udev); + if (!ret) { + if (xhci_alloc_dev(hcd, udev) == 1) + xhci_setup_addressable_virt_dev(xhci, udev); + } kfree(command->completion); kfree(command); return -EPROTO; From 747bc154577de6e6af4bc99abfa859b8419bb4d8 Mon Sep 17 00:00:00 2001 From: Mika Westerberg Date: Thu, 13 Jun 2024 15:05:03 +0300 Subject: [PATCH 351/702] thunderbolt: Mark XDomain as unplugged when router is removed commit e2006140ad2e01a02ed0aff49cc2ae3ceeb11f8d upstream. I noticed that when we do discrete host router NVM upgrade and it gets hot-removed from the PCIe side as a result of NVM firmware authentication, if there is another host connected with enabled paths we hang in tearing them down. This is due to fact that the Thunderbolt networking driver also tries to cleanup the paths and ends up blocking in tb_disconnect_xdomain_paths() waiting for the domain lock. However, at this point we already cleaned the paths in tb_stop() so there is really no need for tb_disconnect_xdomain_paths() to do that anymore. Furthermore it already checks if the XDomain is unplugged and bails out early so take advantage of that and mark the XDomain as unplugged when we remove the parent router. Cc: stable@vger.kernel.org Signed-off-by: Mika Westerberg Signed-off-by: Greg Kroah-Hartman --- drivers/thunderbolt/switch.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/thunderbolt/switch.c b/drivers/thunderbolt/switch.c index b13a944eb462..f6580d11c0fe 100644 --- a/drivers/thunderbolt/switch.c +++ b/drivers/thunderbolt/switch.c @@ -2584,6 +2584,7 @@ void tb_switch_remove(struct tb_switch *sw) tb_switch_remove(port->remote->sw); port->remote = NULL; } else if (port->xdomain) { + port->xdomain->is_unplugged = true; tb_xdomain_remove(port->xdomain); port->xdomain = NULL; } From e245a18281c252c8dbc467492e09bb5d4b012118 Mon Sep 17 00:00:00 2001 From: Stefan Haberland Date: Mon, 12 Aug 2024 14:57:33 +0200 Subject: [PATCH 352/702] s390/dasd: fix error recovery leading to data corruption on ESE devices commit 7db4042336580dfd75cb5faa82c12cd51098c90b upstream. Extent Space Efficient (ESE) or thin provisioned volumes need to be formatted on demand during usual IO processing. The dasd_ese_needs_format function checks for error codes that signal the non existence of a proper track format. The check for incorrect length is to imprecise since other error cases leading to transport of insufficient data also have this flag set. This might lead to data corruption in certain error cases for example during a storage server warmstart. Fix by removing the check for incorrect length and replacing by explicitly checking for invalid track format in transport mode. Also remove the check for file protected since this is not a valid ESE handling case. Cc: stable@vger.kernel.org # 5.3+ Fixes: 5e2b17e712cf ("s390/dasd: Add dynamic formatting support for ESE volumes") Reviewed-by: Jan Hoeppner Signed-off-by: Stefan Haberland Link: https://lore.kernel.org/r/20240812125733.126431-3-sth@linux.ibm.com Signed-off-by: Jens Axboe Signed-off-by: Greg Kroah-Hartman --- drivers/s390/block/dasd.c | 36 ++++++++++++------- drivers/s390/block/dasd_3990_erp.c | 10 ++---- drivers/s390/block/dasd_eckd.c | 57 +++++++++++++----------------- drivers/s390/block/dasd_int.h | 2 +- 4 files changed, 51 insertions(+), 54 deletions(-) diff --git a/drivers/s390/block/dasd.c b/drivers/s390/block/dasd.c index 81de5c98221a..0b09ed6ac133 100644 --- a/drivers/s390/block/dasd.c +++ b/drivers/s390/block/dasd.c @@ -1665,9 +1665,15 @@ static int dasd_ese_needs_format(struct dasd_block *block, struct irb *irb) if (!sense) return 0; - return !!(sense[1] & SNS1_NO_REC_FOUND) || - !!(sense[1] & SNS1_FILE_PROTECTED) || - scsw_cstat(&irb->scsw) == SCHN_STAT_INCORR_LEN; + if (sense[1] & SNS1_NO_REC_FOUND) + return 1; + + if ((sense[1] & SNS1_INV_TRACK_FORMAT) && + scsw_is_tm(&irb->scsw) && + !(sense[2] & SNS2_ENV_DATA_PRESENT)) + return 1; + + return 0; } static int dasd_ese_oos_cond(u8 *sense) @@ -1688,7 +1694,7 @@ void dasd_int_handler(struct ccw_device *cdev, unsigned long intparm, struct dasd_device *device; unsigned long now; int nrf_suppressed = 0; - int fp_suppressed = 0; + int it_suppressed = 0; struct request *req; u8 *sense = NULL; int expires; @@ -1743,8 +1749,9 @@ void dasd_int_handler(struct ccw_device *cdev, unsigned long intparm, */ sense = dasd_get_sense(irb); if (sense) { - fp_suppressed = (sense[1] & SNS1_FILE_PROTECTED) && - test_bit(DASD_CQR_SUPPRESS_FP, &cqr->flags); + it_suppressed = (sense[1] & SNS1_INV_TRACK_FORMAT) && + !(sense[2] & SNS2_ENV_DATA_PRESENT) && + test_bit(DASD_CQR_SUPPRESS_IT, &cqr->flags); nrf_suppressed = (sense[1] & SNS1_NO_REC_FOUND) && test_bit(DASD_CQR_SUPPRESS_NRF, &cqr->flags); @@ -1759,7 +1766,7 @@ void dasd_int_handler(struct ccw_device *cdev, unsigned long intparm, return; } } - if (!(fp_suppressed || nrf_suppressed)) + if (!(it_suppressed || nrf_suppressed)) device->discipline->dump_sense_dbf(device, irb, "int"); if (device->features & DASD_FEATURE_ERPLOG) @@ -2513,14 +2520,17 @@ static int _dasd_sleep_on_queue(struct list_head *ccw_queue, int interruptible) rc = 0; list_for_each_entry_safe(cqr, n, ccw_queue, blocklist) { /* - * In some cases the 'File Protected' or 'Incorrect Length' - * error might be expected and error recovery would be - * unnecessary in these cases. Check if the according suppress - * bit is set. + * In some cases certain errors might be expected and + * error recovery would be unnecessary in these cases. + * Check if the according suppress bit is set. */ sense = dasd_get_sense(&cqr->irb); - if (sense && sense[1] & SNS1_FILE_PROTECTED && - test_bit(DASD_CQR_SUPPRESS_FP, &cqr->flags)) + if (sense && (sense[1] & SNS1_INV_TRACK_FORMAT) && + !(sense[2] & SNS2_ENV_DATA_PRESENT) && + test_bit(DASD_CQR_SUPPRESS_IT, &cqr->flags)) + continue; + if (sense && (sense[1] & SNS1_NO_REC_FOUND) && + test_bit(DASD_CQR_SUPPRESS_NRF, &cqr->flags)) continue; if (scsw_cstat(&cqr->irb.scsw) == 0x40 && test_bit(DASD_CQR_SUPPRESS_IL, &cqr->flags)) diff --git a/drivers/s390/block/dasd_3990_erp.c b/drivers/s390/block/dasd_3990_erp.c index c2d4ea74e0d0..845f088ce97b 100644 --- a/drivers/s390/block/dasd_3990_erp.c +++ b/drivers/s390/block/dasd_3990_erp.c @@ -1401,14 +1401,8 @@ dasd_3990_erp_file_prot(struct dasd_ccw_req * erp) struct dasd_device *device = erp->startdev; - /* - * In some cases the 'File Protected' error might be expected and - * log messages shouldn't be written then. - * Check if the according suppress bit is set. - */ - if (!test_bit(DASD_CQR_SUPPRESS_FP, &erp->flags)) - dev_err(&device->cdev->dev, - "Accessing the DASD failed because of a hardware error\n"); + dev_err(&device->cdev->dev, + "Accessing the DASD failed because of a hardware error\n"); return dasd_3990_erp_cleanup(erp, DASD_CQR_FAILED); diff --git a/drivers/s390/block/dasd_eckd.c b/drivers/s390/block/dasd_eckd.c index c6930c159d2a..fddcb910157c 100644 --- a/drivers/s390/block/dasd_eckd.c +++ b/drivers/s390/block/dasd_eckd.c @@ -2201,6 +2201,7 @@ dasd_eckd_analysis_ccw(struct dasd_device *device) cqr->status = DASD_CQR_FILLED; /* Set flags to suppress output for expected errors */ set_bit(DASD_CQR_SUPPRESS_NRF, &cqr->flags); + set_bit(DASD_CQR_SUPPRESS_IT, &cqr->flags); return cqr; } @@ -2482,7 +2483,6 @@ dasd_eckd_build_check_tcw(struct dasd_device *base, struct format_data_t *fdata, cqr->buildclk = get_tod_clock(); cqr->status = DASD_CQR_FILLED; /* Set flags to suppress output for expected errors */ - set_bit(DASD_CQR_SUPPRESS_FP, &cqr->flags); set_bit(DASD_CQR_SUPPRESS_IL, &cqr->flags); return cqr; @@ -4031,8 +4031,6 @@ static struct dasd_ccw_req *dasd_eckd_build_cp_cmd_single( /* Set flags to suppress output for expected errors */ if (dasd_eckd_is_ese(basedev)) { - set_bit(DASD_CQR_SUPPRESS_FP, &cqr->flags); - set_bit(DASD_CQR_SUPPRESS_IL, &cqr->flags); set_bit(DASD_CQR_SUPPRESS_NRF, &cqr->flags); } @@ -4534,9 +4532,8 @@ static struct dasd_ccw_req *dasd_eckd_build_cp_tpm_track( /* Set flags to suppress output for expected errors */ if (dasd_eckd_is_ese(basedev)) { - set_bit(DASD_CQR_SUPPRESS_FP, &cqr->flags); - set_bit(DASD_CQR_SUPPRESS_IL, &cqr->flags); set_bit(DASD_CQR_SUPPRESS_NRF, &cqr->flags); + set_bit(DASD_CQR_SUPPRESS_IT, &cqr->flags); } return cqr; @@ -5706,36 +5703,32 @@ static void dasd_eckd_dump_sense(struct dasd_device *device, { u8 *sense = dasd_get_sense(irb); - if (scsw_is_tm(&irb->scsw)) { - /* - * In some cases the 'File Protected' or 'Incorrect Length' - * error might be expected and log messages shouldn't be written - * then. Check if the according suppress bit is set. - */ - if (sense && (sense[1] & SNS1_FILE_PROTECTED) && - test_bit(DASD_CQR_SUPPRESS_FP, &req->flags)) - return; - if (scsw_cstat(&irb->scsw) == 0x40 && - test_bit(DASD_CQR_SUPPRESS_IL, &req->flags)) - return; + /* + * In some cases certain errors might be expected and + * log messages shouldn't be written then. + * Check if the according suppress bit is set. + */ + if (sense && (sense[1] & SNS1_INV_TRACK_FORMAT) && + !(sense[2] & SNS2_ENV_DATA_PRESENT) && + test_bit(DASD_CQR_SUPPRESS_IT, &req->flags)) + return; + if (sense && sense[0] & SNS0_CMD_REJECT && + test_bit(DASD_CQR_SUPPRESS_CR, &req->flags)) + return; + + if (sense && sense[1] & SNS1_NO_REC_FOUND && + test_bit(DASD_CQR_SUPPRESS_NRF, &req->flags)) + return; + + if (scsw_cstat(&irb->scsw) == 0x40 && + test_bit(DASD_CQR_SUPPRESS_IL, &req->flags)) + return; + + if (scsw_is_tm(&irb->scsw)) dasd_eckd_dump_sense_tcw(device, req, irb); - } else { - /* - * In some cases the 'Command Reject' or 'No Record Found' - * error might be expected and log messages shouldn't be - * written then. Check if the according suppress bit is set. - */ - if (sense && sense[0] & SNS0_CMD_REJECT && - test_bit(DASD_CQR_SUPPRESS_CR, &req->flags)) - return; - - if (sense && sense[1] & SNS1_NO_REC_FOUND && - test_bit(DASD_CQR_SUPPRESS_NRF, &req->flags)) - return; - + else dasd_eckd_dump_sense_ccw(device, req, irb); - } } static int dasd_eckd_pm_freeze(struct dasd_device *device) diff --git a/drivers/s390/block/dasd_int.h b/drivers/s390/block/dasd_int.h index 5d7d35ca5eb4..052b5d1ba9c1 100644 --- a/drivers/s390/block/dasd_int.h +++ b/drivers/s390/block/dasd_int.h @@ -226,7 +226,7 @@ struct dasd_ccw_req { * The following flags are used to suppress output of certain errors. */ #define DASD_CQR_SUPPRESS_NRF 4 /* Suppress 'No Record Found' error */ -#define DASD_CQR_SUPPRESS_FP 5 /* Suppress 'File Protected' error*/ +#define DASD_CQR_SUPPRESS_IT 5 /* Suppress 'Invalid Track' error*/ #define DASD_CQR_SUPPRESS_IL 6 /* Suppress 'Incorrect Length' error */ #define DASD_CQR_SUPPRESS_CR 7 /* Suppress 'Command Reject' error */ From 1b21a791afc96d4f8454c5355eb8424224935c74 Mon Sep 17 00:00:00 2001 From: Haibo Xu Date: Mon, 5 Aug 2024 11:30:24 +0800 Subject: [PATCH 353/702] arm64: ACPI: NUMA: initialize all values of acpi_early_node_map to NUMA_NO_NODE commit a21dcf0ea8566ebbe011c79d6ed08cdfea771de3 upstream. Currently, only acpi_early_node_map[0] was initialized to NUMA_NO_NODE. To ensure all the values were properly initialized, switch to initialize all of them to NUMA_NO_NODE. Fixes: e18962491696 ("arm64: numa: rework ACPI NUMA initialization") Cc: # 4.19.x Reported-by: Andrew Jones Suggested-by: Andrew Jones Signed-off-by: Haibo Xu Reviewed-by: Anshuman Khandual Reviewed-by: Sunil V L Reviewed-by: Andrew Jones Acked-by: Catalin Marinas Acked-by: Lorenzo Pieralisi Reviewed-by: Hanjun Guo Link: https://lore.kernel.org/r/853d7f74aa243f6f5999e203246f0d1ae92d2b61.1722828421.git.haibo1.xu@intel.com Signed-off-by: Catalin Marinas Signed-off-by: Greg Kroah-Hartman --- arch/arm64/kernel/acpi_numa.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/arch/arm64/kernel/acpi_numa.c b/arch/arm64/kernel/acpi_numa.c index 7ff800045434..048b75cadd2f 100644 --- a/arch/arm64/kernel/acpi_numa.c +++ b/arch/arm64/kernel/acpi_numa.c @@ -27,7 +27,7 @@ #include -static int acpi_early_node_map[NR_CPUS] __initdata = { NUMA_NO_NODE }; +static int acpi_early_node_map[NR_CPUS] __initdata = { [0 ... NR_CPUS - 1] = NUMA_NO_NODE }; int __init acpi_numa_get_nid(unsigned int cpu) { From 63fd38af880b07314eb9590a0388a30cb21972e7 Mon Sep 17 00:00:00 2001 From: Khazhismel Kumykov Date: Tue, 13 Aug 2024 12:39:52 +0200 Subject: [PATCH 354/702] dm resume: don't return EINVAL when signalled commit 7a636b4f03af9d541205f69e373672e7b2b60a8a upstream. If the dm_resume method is called on a device that is not suspended, the method will suspend the device briefly, before resuming it (so that the table will be swapped). However, there was a bug that the return value of dm_suspended_md was not checked. dm_suspended_md may return an error when it is interrupted by a signal. In this case, do_resume would call dm_swap_table, which would return -EINVAL. This commit fixes the logic, so that error returned by dm_suspend is checked and the resume operation is undone. Signed-off-by: Mikulas Patocka Signed-off-by: Khazhismel Kumykov Cc: stable@vger.kernel.org Signed-off-by: Greg Kroah-Hartman --- drivers/md/dm-ioctl.c | 22 ++++++++++++++++++++-- 1 file changed, 20 insertions(+), 2 deletions(-) diff --git a/drivers/md/dm-ioctl.c b/drivers/md/dm-ioctl.c index 4184c8a2d497..d5c103f82ea1 100644 --- a/drivers/md/dm-ioctl.c +++ b/drivers/md/dm-ioctl.c @@ -1064,8 +1064,26 @@ static int do_resume(struct dm_ioctl *param) suspend_flags &= ~DM_SUSPEND_LOCKFS_FLAG; if (param->flags & DM_NOFLUSH_FLAG) suspend_flags |= DM_SUSPEND_NOFLUSH_FLAG; - if (!dm_suspended_md(md)) - dm_suspend(md, suspend_flags); + if (!dm_suspended_md(md)) { + r = dm_suspend(md, suspend_flags); + if (r) { + down_write(&_hash_lock); + hc = dm_get_mdptr(md); + if (hc && !hc->new_map) { + hc->new_map = new_map; + new_map = NULL; + } else { + r = -ENXIO; + } + up_write(&_hash_lock); + if (new_map) { + dm_sync_table(md); + dm_table_destroy(new_map); + } + dm_put(md); + return r; + } + } old_map = dm_swap_table(md, new_map); if (IS_ERR(old_map)) { From ee030e4ffa9b00aac9553c325d72d3c3235d209f Mon Sep 17 00:00:00 2001 From: Mikulas Patocka Date: Tue, 13 Aug 2024 16:35:14 +0200 Subject: [PATCH 355/702] dm persistent data: fix memory allocation failure commit faada2174c08662ae98b439c69efe3e79382c538 upstream. kmalloc is unreliable when allocating more than 8 pages of memory. It may fail when there is plenty of free memory but the memory is fragmented. Zdenek Kabelac observed such failure in his tests. This commit changes kmalloc to kvmalloc - kvmalloc will fall back to vmalloc if the large allocation fails. Signed-off-by: Mikulas Patocka Reported-by: Zdenek Kabelac Reviewed-by: Mike Snitzer Cc: stable@vger.kernel.org Signed-off-by: Greg Kroah-Hartman --- drivers/md/persistent-data/dm-space-map-metadata.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/md/persistent-data/dm-space-map-metadata.c b/drivers/md/persistent-data/dm-space-map-metadata.c index da439ac85796..25ce7fb7fd9d 100644 --- a/drivers/md/persistent-data/dm-space-map-metadata.c +++ b/drivers/md/persistent-data/dm-space-map-metadata.c @@ -275,7 +275,7 @@ static void sm_metadata_destroy(struct dm_space_map *sm) { struct sm_metadata *smm = container_of(sm, struct sm_metadata, sm); - kfree(smm); + kvfree(smm); } static int sm_metadata_get_nr_blocks(struct dm_space_map *sm, dm_block_t *count) @@ -759,7 +759,7 @@ struct dm_space_map *dm_sm_metadata_init(void) { struct sm_metadata *smm; - smm = kmalloc(sizeof(*smm), GFP_KERNEL); + smm = kvmalloc(sizeof(*smm), GFP_KERNEL); if (!smm) return ERR_PTR(-ENOMEM); From 03880af02a78bc9a98b5a581f529cf709c88a9b8 Mon Sep 17 00:00:00 2001 From: Zhihao Cheng Date: Fri, 9 Aug 2024 11:16:28 +0800 Subject: [PATCH 356/702] vfs: Don't evict inode under the inode lru traversing context MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit commit 2a0629834cd82f05d424bbc193374f9a43d1f87d upstream. The inode reclaiming process(See function prune_icache_sb) collects all reclaimable inodes and mark them with I_FREEING flag at first, at that time, other processes will be stuck if they try getting these inodes (See function find_inode_fast), then the reclaiming process destroy the inodes by function dispose_list(). Some filesystems(eg. ext4 with ea_inode feature, ubifs with xattr) may do inode lookup in the inode evicting callback function, if the inode lookup is operated under the inode lru traversing context, deadlock problems may happen. Case 1: In function ext4_evict_inode(), the ea inode lookup could happen if ea_inode feature is enabled, the lookup process will be stuck under the evicting context like this: 1. File A has inode i_reg and an ea inode i_ea 2. getfattr(A, xattr_buf) // i_ea is added into lru // lru->i_ea 3. Then, following three processes running like this: PA PB echo 2 > /proc/sys/vm/drop_caches shrink_slab prune_dcache_sb // i_reg is added into lru, lru->i_ea->i_reg prune_icache_sb list_lru_walk_one inode_lru_isolate i_ea->i_state |= I_FREEING // set inode state inode_lru_isolate __iget(i_reg) spin_unlock(&i_reg->i_lock) spin_unlock(lru_lock) rm file A i_reg->nlink = 0 iput(i_reg) // i_reg->nlink is 0, do evict ext4_evict_inode ext4_xattr_delete_inode ext4_xattr_inode_dec_ref_all ext4_xattr_inode_iget ext4_iget(i_ea->i_ino) iget_locked find_inode_fast __wait_on_freeing_inode(i_ea) ----→ AA deadlock dispose_list // cannot be executed by prune_icache_sb wake_up_bit(&i_ea->i_state) Case 2: In deleted inode writing function ubifs_jnl_write_inode(), file deleting process holds BASEHD's wbuf->io_mutex while getting the xattr inode, which could race with inode reclaiming process(The reclaiming process could try locking BASEHD's wbuf->io_mutex in inode evicting function), then an ABBA deadlock problem would happen as following: 1. File A has inode ia and a xattr(with inode ixa), regular file B has inode ib and a xattr. 2. getfattr(A, xattr_buf) // ixa is added into lru // lru->ixa 3. Then, following three processes running like this: PA PB PC echo 2 > /proc/sys/vm/drop_caches shrink_slab prune_dcache_sb // ib and ia are added into lru, lru->ixa->ib->ia prune_icache_sb list_lru_walk_one inode_lru_isolate ixa->i_state |= I_FREEING // set inode state inode_lru_isolate __iget(ib) spin_unlock(&ib->i_lock) spin_unlock(lru_lock) rm file B ib->nlink = 0 rm file A iput(ia) ubifs_evict_inode(ia) ubifs_jnl_delete_inode(ia) ubifs_jnl_write_inode(ia) make_reservation(BASEHD) // Lock wbuf->io_mutex ubifs_iget(ixa->i_ino) iget_locked find_inode_fast __wait_on_freeing_inode(ixa) | iput(ib) // ib->nlink is 0, do evict | ubifs_evict_inode | ubifs_jnl_delete_inode(ib) ↓ ubifs_jnl_write_inode ABBA deadlock ←-----make_reservation(BASEHD) dispose_list // cannot be executed by prune_icache_sb wake_up_bit(&ixa->i_state) Fix the possible deadlock by using new inode state flag I_LRU_ISOLATING to pin the inode in memory while inode_lru_isolate() reclaims its pages instead of using ordinary inode reference. This way inode deletion cannot be triggered from inode_lru_isolate() thus avoiding the deadlock. evict() is made to wait for I_LRU_ISOLATING to be cleared before proceeding with inode cleanup. Link: https://lore.kernel.org/all/37c29c42-7685-d1f0-067d-63582ffac405@huaweicloud.com/ Link: https://bugzilla.kernel.org/show_bug.cgi?id=219022 Fixes: e50e5129f384 ("ext4: xattr-in-inode support") Fixes: 7959cf3a7506 ("ubifs: journal: Handle xattrs like files") Cc: stable@vger.kernel.org Signed-off-by: Zhihao Cheng Link: https://lore.kernel.org/r/20240809031628.1069873-1-chengzhihao@huaweicloud.com Reviewed-by: Jan Kara Suggested-by: Jan Kara Suggested-by: Mateusz Guzik Signed-off-by: Christian Brauner Signed-off-by: Greg Kroah-Hartman --- fs/inode.c | 39 +++++++++++++++++++++++++++++++++++++-- include/linux/fs.h | 5 +++++ 2 files changed, 42 insertions(+), 2 deletions(-) diff --git a/fs/inode.c b/fs/inode.c index 5c7139aa2bda..de7a63c24c5d 100644 --- a/fs/inode.c +++ b/fs/inode.c @@ -453,6 +453,39 @@ static void inode_lru_list_del(struct inode *inode) this_cpu_dec(nr_unused); } +static void inode_pin_lru_isolating(struct inode *inode) +{ + lockdep_assert_held(&inode->i_lock); + WARN_ON(inode->i_state & (I_LRU_ISOLATING | I_FREEING | I_WILL_FREE)); + inode->i_state |= I_LRU_ISOLATING; +} + +static void inode_unpin_lru_isolating(struct inode *inode) +{ + spin_lock(&inode->i_lock); + WARN_ON(!(inode->i_state & I_LRU_ISOLATING)); + inode->i_state &= ~I_LRU_ISOLATING; + smp_mb(); + wake_up_bit(&inode->i_state, __I_LRU_ISOLATING); + spin_unlock(&inode->i_lock); +} + +static void inode_wait_for_lru_isolating(struct inode *inode) +{ + spin_lock(&inode->i_lock); + if (inode->i_state & I_LRU_ISOLATING) { + DEFINE_WAIT_BIT(wq, &inode->i_state, __I_LRU_ISOLATING); + wait_queue_head_t *wqh; + + wqh = bit_waitqueue(&inode->i_state, __I_LRU_ISOLATING); + spin_unlock(&inode->i_lock); + __wait_on_bit(wqh, &wq, bit_wait, TASK_UNINTERRUPTIBLE); + spin_lock(&inode->i_lock); + WARN_ON(inode->i_state & I_LRU_ISOLATING); + } + spin_unlock(&inode->i_lock); +} + /** * inode_sb_list_add - add inode to the superblock list of inodes * @inode: inode to add @@ -565,6 +598,8 @@ static void evict(struct inode *inode) inode_sb_list_del(inode); + inode_wait_for_lru_isolating(inode); + /* * Wait for flusher thread to be done with the inode so that filesystem * does not start destroying it while writeback is still running. Since @@ -764,7 +799,7 @@ static enum lru_status inode_lru_isolate(struct list_head *item, } if (inode_has_buffers(inode) || inode->i_data.nrpages) { - __iget(inode); + inode_pin_lru_isolating(inode); spin_unlock(&inode->i_lock); spin_unlock(lru_lock); if (remove_inode_buffers(inode)) { @@ -777,7 +812,7 @@ static enum lru_status inode_lru_isolate(struct list_head *item, if (current->reclaim_state) current->reclaim_state->reclaimed_slab += reap; } - iput(inode); + inode_unpin_lru_isolating(inode); spin_lock(lru_lock); return LRU_RETRY; } diff --git a/include/linux/fs.h b/include/linux/fs.h index 6a26ef54ac25..2e202f01c38d 100644 --- a/include/linux/fs.h +++ b/include/linux/fs.h @@ -2249,6 +2249,9 @@ static inline void kiocb_clone(struct kiocb *kiocb, struct kiocb *kiocb_src, * Used to detect that mark_inode_dirty() should not move * inode between dirty lists. * + * I_LRU_ISOLATING Inode is pinned being isolated from LRU without holding + * i_count. + * * Q: What is the difference between I_WILL_FREE and I_FREEING? */ #define I_DIRTY_SYNC (1 << 0) @@ -2271,6 +2274,8 @@ static inline void kiocb_clone(struct kiocb *kiocb, struct kiocb *kiocb_src, #define I_CREATING (1 << 15) #define I_DONTCACHE (1 << 16) #define I_SYNC_QUEUED (1 << 17) +#define __I_LRU_ISOLATING 19 +#define I_LRU_ISOLATING (1 << __I_LRU_ISOLATING) #define I_DIRTY_INODE (I_DIRTY_SYNC | I_DIRTY_DATASYNC) #define I_DIRTY (I_DIRTY_INODE | I_DIRTY_PAGES) From de7be1940c34e752a2027fea7586cba0c8fa39d7 Mon Sep 17 00:00:00 2001 From: Alexander Lobakin Date: Wed, 27 Mar 2024 16:23:49 +0100 Subject: [PATCH 357/702] bitmap: introduce generic optimized bitmap_size() commit a37fbe666c016fd89e4460d0ebfcea05baba46dc upstream. The number of times yet another open coded `BITS_TO_LONGS(nbits) * sizeof(long)` can be spotted is huge. Some generic helper is long overdue. Add one, bitmap_size(), but with one detail. BITS_TO_LONGS() uses DIV_ROUND_UP(). The latter works well when both divident and divisor are compile-time constants or when the divisor is not a pow-of-2. When it is however, the compilers sometimes tend to generate suboptimal code (GCC 13): 48 83 c0 3f add $0x3f,%rax 48 c1 e8 06 shr $0x6,%rax 48 8d 14 c5 00 00 00 00 lea 0x0(,%rax,8),%rdx %BITS_PER_LONG is always a pow-2 (either 32 or 64), but GCC still does full division of `nbits + 63` by it and then multiplication by 8. Instead of BITS_TO_LONGS(), use ALIGN() and then divide by 8. GCC: 8d 50 3f lea 0x3f(%rax),%edx c1 ea 03 shr $0x3,%edx 81 e2 f8 ff ff 1f and $0x1ffffff8,%edx Now it shifts `nbits + 63` by 3 positions (IOW performs fast division by 8) and then masks bits[2:0]. bloat-o-meter: add/remove: 0/0 grow/shrink: 20/133 up/down: 156/-773 (-617) Clang does it better and generates the same code before/after starting from -O1, except that with the ALIGN() approach it uses %edx and thus still saves some bytes: add/remove: 0/0 grow/shrink: 9/133 up/down: 18/-538 (-520) Note that we can't expand DIV_ROUND_UP() by adding a check and using this approach there, as it's used in array declarations where expressions are not allowed. Add this helper to tools/ as well. Reviewed-by: Przemek Kitszel Acked-by: Yury Norov Signed-off-by: Alexander Lobakin Signed-off-by: David S. Miller Signed-off-by: Greg Kroah-Hartman --- drivers/md/dm-clone-metadata.c | 5 ----- drivers/s390/cio/idset.c | 2 +- include/linux/bitmap.h | 8 +++++--- include/linux/cpumask.h | 2 +- lib/math/prime_numbers.c | 2 -- tools/include/linux/bitmap.h | 7 ++++--- 6 files changed, 11 insertions(+), 15 deletions(-) diff --git a/drivers/md/dm-clone-metadata.c b/drivers/md/dm-clone-metadata.c index 17712456fa63..383258eae750 100644 --- a/drivers/md/dm-clone-metadata.c +++ b/drivers/md/dm-clone-metadata.c @@ -471,11 +471,6 @@ static void __destroy_persistent_data_structures(struct dm_clone_metadata *cmd) /*---------------------------------------------------------------------------*/ -static size_t bitmap_size(unsigned long nr_bits) -{ - return BITS_TO_LONGS(nr_bits) * sizeof(long); -} - static int __dirty_map_init(struct dirty_map *dmap, unsigned long nr_words, unsigned long nr_regions) { diff --git a/drivers/s390/cio/idset.c b/drivers/s390/cio/idset.c index 45f9c0736be4..9455d9411b32 100644 --- a/drivers/s390/cio/idset.c +++ b/drivers/s390/cio/idset.c @@ -18,7 +18,7 @@ struct idset { static inline unsigned long bitmap_size(int num_ssid, int num_id) { - return BITS_TO_LONGS(num_ssid * num_id) * sizeof(unsigned long); + return bitmap_size(size_mul(num_ssid, num_id)); } static struct idset *idset_new(int num_ssid, int num_id) diff --git a/include/linux/bitmap.h b/include/linux/bitmap.h index c4f6a9270c03..46f7142fd884 100644 --- a/include/linux/bitmap.h +++ b/include/linux/bitmap.h @@ -240,22 +240,24 @@ extern int bitmap_print_to_pagebuf(bool list, char *buf, #define small_const_nbits(nbits) \ (__builtin_constant_p(nbits) && (nbits) <= BITS_PER_LONG && (nbits) > 0) +#define bitmap_size(nbits) (ALIGN(nbits, BITS_PER_LONG) / BITS_PER_BYTE) + static inline void bitmap_zero(unsigned long *dst, unsigned int nbits) { - unsigned int len = BITS_TO_LONGS(nbits) * sizeof(unsigned long); + unsigned int len = bitmap_size(nbits); memset(dst, 0, len); } static inline void bitmap_fill(unsigned long *dst, unsigned int nbits) { - unsigned int len = BITS_TO_LONGS(nbits) * sizeof(unsigned long); + unsigned int len = bitmap_size(nbits); memset(dst, 0xff, len); } static inline void bitmap_copy(unsigned long *dst, const unsigned long *src, unsigned int nbits) { - unsigned int len = BITS_TO_LONGS(nbits) * sizeof(unsigned long); + unsigned int len = bitmap_size(nbits); memcpy(dst, src, len); } diff --git a/include/linux/cpumask.h b/include/linux/cpumask.h index f0d895d6ac39..bb29102ec966 100644 --- a/include/linux/cpumask.h +++ b/include/linux/cpumask.h @@ -690,7 +690,7 @@ static inline int cpulist_parse(const char *buf, struct cpumask *dstp) */ static inline unsigned int cpumask_size(void) { - return BITS_TO_LONGS(nr_cpumask_bits) * sizeof(long); + return bitmap_size(nr_cpumask_bits); } /* diff --git a/lib/math/prime_numbers.c b/lib/math/prime_numbers.c index d42cebf7407f..d3b64b10da1c 100644 --- a/lib/math/prime_numbers.c +++ b/lib/math/prime_numbers.c @@ -6,8 +6,6 @@ #include #include -#define bitmap_size(nbits) (BITS_TO_LONGS(nbits) * sizeof(unsigned long)) - struct primes { struct rcu_head rcu; unsigned long last, sz; diff --git a/tools/include/linux/bitmap.h b/tools/include/linux/bitmap.h index 477a1cae513f..186f20dcdaa8 100644 --- a/tools/include/linux/bitmap.h +++ b/tools/include/linux/bitmap.h @@ -30,13 +30,14 @@ void bitmap_clear(unsigned long *map, unsigned int start, int len); #define small_const_nbits(nbits) \ (__builtin_constant_p(nbits) && (nbits) <= BITS_PER_LONG) +#define bitmap_size(nbits) (ALIGN(nbits, BITS_PER_LONG) / BITS_PER_BYTE) + static inline void bitmap_zero(unsigned long *dst, int nbits) { if (small_const_nbits(nbits)) *dst = 0UL; else { - int len = BITS_TO_LONGS(nbits) * sizeof(unsigned long); - memset(dst, 0, len); + memset(dst, 0, bitmap_size(nbits)); } } @@ -122,7 +123,7 @@ static inline int test_and_clear_bit(int nr, unsigned long *addr) */ static inline unsigned long *bitmap_alloc(int nbits) { - return calloc(1, BITS_TO_LONGS(nbits) * sizeof(unsigned long)); + return calloc(1, bitmap_size(nbits)); } /* From fe5bf14881701119aeeda7cf685f3c226c7380df Mon Sep 17 00:00:00 2001 From: Al Viro Date: Sat, 3 Aug 2024 18:02:00 -0400 Subject: [PATCH 358/702] fix bitmap corruption on close_range() with CLOSE_RANGE_UNSHARE commit 9a2fa1472083580b6c66bdaf291f591e1170123a upstream. copy_fd_bitmaps(new, old, count) is expected to copy the first count/BITS_PER_LONG bits from old->full_fds_bits[] and fill the rest with zeroes. What it does is copying enough words (BITS_TO_LONGS(count/BITS_PER_LONG)), then memsets the rest. That works fine, *if* all bits past the cutoff point are clear. Otherwise we are risking garbage from the last word we'd copied. For most of the callers that is true - expand_fdtable() has count equal to old->max_fds, so there's no open descriptors past count, let alone fully occupied words in ->open_fds[], which is what bits in ->full_fds_bits[] correspond to. The other caller (dup_fd()) passes sane_fdtable_size(old_fdt, max_fds), which is the smallest multiple of BITS_PER_LONG that covers all opened descriptors below max_fds. In the common case (copying on fork()) max_fds is ~0U, so all opened descriptors will be below it and we are fine, by the same reasons why the call in expand_fdtable() is safe. Unfortunately, there is a case where max_fds is less than that and where we might, indeed, end up with junk in ->full_fds_bits[] - close_range(from, to, CLOSE_RANGE_UNSHARE) with * descriptor table being currently shared * 'to' being above the current capacity of descriptor table * 'from' being just under some chunk of opened descriptors. In that case we end up with observably wrong behaviour - e.g. spawn a child with CLONE_FILES, get all descriptors in range 0..127 open, then close_range(64, ~0U, CLOSE_RANGE_UNSHARE) and watch dup(0) ending up with descriptor #128, despite #64 being observably not open. The minimally invasive fix would be to deal with that in dup_fd(). If this proves to add measurable overhead, we can go that way, but let's try to fix copy_fd_bitmaps() first. * new helper: bitmap_copy_and_expand(to, from, bits_to_copy, size). * make copy_fd_bitmaps() take the bitmap size in words, rather than bits; it's 'count' argument is always a multiple of BITS_PER_LONG, so we are not losing any information, and that way we can use the same helper for all three bitmaps - compiler will see that count is a multiple of BITS_PER_LONG for the large ones, so it'll generate plain memcpy()+memset(). Reproducer added to tools/testing/selftests/core/close_range_test.c Cc: stable@vger.kernel.org Signed-off-by: Al Viro Signed-off-by: Greg Kroah-Hartman --- fs/file.c | 28 +++++++-------- include/linux/bitmap.h | 12 +++++++ .../testing/selftests/core/close_range_test.c | 35 +++++++++++++++++++ 3 files changed, 59 insertions(+), 16 deletions(-) diff --git a/fs/file.c b/fs/file.c index 105a084b7924..40a7fc127f37 100644 --- a/fs/file.c +++ b/fs/file.c @@ -46,27 +46,23 @@ static void free_fdtable_rcu(struct rcu_head *rcu) #define BITBIT_NR(nr) BITS_TO_LONGS(BITS_TO_LONGS(nr)) #define BITBIT_SIZE(nr) (BITBIT_NR(nr) * sizeof(long)) +#define fdt_words(fdt) ((fdt)->max_fds / BITS_PER_LONG) // words in ->open_fds /* * Copy 'count' fd bits from the old table to the new table and clear the extra * space if any. This does not copy the file pointers. Called with the files * spinlock held for write. */ -static void copy_fd_bitmaps(struct fdtable *nfdt, struct fdtable *ofdt, - unsigned int count) +static inline void copy_fd_bitmaps(struct fdtable *nfdt, struct fdtable *ofdt, + unsigned int copy_words) { - unsigned int cpy, set; + unsigned int nwords = fdt_words(nfdt); - cpy = count / BITS_PER_BYTE; - set = (nfdt->max_fds - count) / BITS_PER_BYTE; - memcpy(nfdt->open_fds, ofdt->open_fds, cpy); - memset((char *)nfdt->open_fds + cpy, 0, set); - memcpy(nfdt->close_on_exec, ofdt->close_on_exec, cpy); - memset((char *)nfdt->close_on_exec + cpy, 0, set); - - cpy = BITBIT_SIZE(count); - set = BITBIT_SIZE(nfdt->max_fds) - cpy; - memcpy(nfdt->full_fds_bits, ofdt->full_fds_bits, cpy); - memset((char *)nfdt->full_fds_bits + cpy, 0, set); + bitmap_copy_and_extend(nfdt->open_fds, ofdt->open_fds, + copy_words * BITS_PER_LONG, nwords * BITS_PER_LONG); + bitmap_copy_and_extend(nfdt->close_on_exec, ofdt->close_on_exec, + copy_words * BITS_PER_LONG, nwords * BITS_PER_LONG); + bitmap_copy_and_extend(nfdt->full_fds_bits, ofdt->full_fds_bits, + copy_words, nwords); } /* @@ -84,7 +80,7 @@ static void copy_fdtable(struct fdtable *nfdt, struct fdtable *ofdt) memcpy(nfdt->fd, ofdt->fd, cpy); memset((char *)nfdt->fd + cpy, 0, set); - copy_fd_bitmaps(nfdt, ofdt, ofdt->max_fds); + copy_fd_bitmaps(nfdt, ofdt, fdt_words(ofdt)); } /* @@ -374,7 +370,7 @@ struct files_struct *dup_fd(struct files_struct *oldf, unsigned int max_fds, int open_files = sane_fdtable_size(old_fdt, max_fds); } - copy_fd_bitmaps(new_fdt, old_fdt, open_files); + copy_fd_bitmaps(new_fdt, old_fdt, open_files / BITS_PER_LONG); old_fds = old_fdt->fd; new_fds = new_fdt->fd; diff --git a/include/linux/bitmap.h b/include/linux/bitmap.h index 46f7142fd884..29b19d2ba5ba 100644 --- a/include/linux/bitmap.h +++ b/include/linux/bitmap.h @@ -272,6 +272,18 @@ static inline void bitmap_copy_clear_tail(unsigned long *dst, dst[nbits / BITS_PER_LONG] &= BITMAP_LAST_WORD_MASK(nbits); } +static inline void bitmap_copy_and_extend(unsigned long *to, + const unsigned long *from, + unsigned int count, unsigned int size) +{ + unsigned int copy = BITS_TO_LONGS(count); + + memcpy(to, from, copy * sizeof(long)); + if (count % BITS_PER_LONG) + to[copy - 1] &= BITMAP_LAST_WORD_MASK(count); + memset(to + copy, 0, bitmap_size(size) - copy * sizeof(long)); +} + /* * On 32-bit systems bitmaps are represented as u32 arrays internally, and * therefore conversion is not needed when copying data from/to arrays of u32. diff --git a/tools/testing/selftests/core/close_range_test.c b/tools/testing/selftests/core/close_range_test.c index 0a26795842f6..506f3ab60518 100644 --- a/tools/testing/selftests/core/close_range_test.c +++ b/tools/testing/selftests/core/close_range_test.c @@ -224,4 +224,39 @@ TEST(close_range_unshare_capped) EXPECT_EQ(0, WEXITSTATUS(status)); } +TEST(close_range_bitmap_corruption) +{ + pid_t pid; + int status; + struct __clone_args args = { + .flags = CLONE_FILES, + .exit_signal = SIGCHLD, + }; + + /* get the first 128 descriptors open */ + for (int i = 2; i < 128; i++) + EXPECT_GE(dup2(0, i), 0); + + /* get descriptor table shared */ + pid = sys_clone3(&args, sizeof(args)); + ASSERT_GE(pid, 0); + + if (pid == 0) { + /* unshare and truncate descriptor table down to 64 */ + if (sys_close_range(64, ~0U, CLOSE_RANGE_UNSHARE)) + exit(EXIT_FAILURE); + + ASSERT_EQ(fcntl(64, F_GETFD), -1); + /* ... and verify that the range 64..127 is not + stuck "fully used" according to secondary bitmap */ + EXPECT_EQ(dup(0), 64) + exit(EXIT_FAILURE); + exit(EXIT_SUCCESS); + } + + EXPECT_EQ(waitpid(pid, &status, 0), pid); + EXPECT_EQ(true, WIFEXITED(status)); + EXPECT_EQ(0, WEXITSTATUS(status)); +} + TEST_HARNESS_MAIN From bbcdda4b0d041fc1302d508321720d6d2c42d083 Mon Sep 17 00:00:00 2001 From: Zhen Lei Date: Tue, 6 Aug 2024 14:51:13 +0800 Subject: [PATCH 359/702] selinux: fix potential counting error in avc_add_xperms_decision() commit 379d9af3f3da2da1bbfa67baf1820c72a080d1f1 upstream. The count increases only when a node is successfully added to the linked list. Cc: stable@vger.kernel.org Fixes: fa1aa143ac4a ("selinux: extended permissions for ioctls") Signed-off-by: Zhen Lei Acked-by: Stephen Smalley Signed-off-by: Paul Moore Signed-off-by: Greg Kroah-Hartman --- security/selinux/avc.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/security/selinux/avc.c b/security/selinux/avc.c index 884a014ce2b8..ab71d0948205 100644 --- a/security/selinux/avc.c +++ b/security/selinux/avc.c @@ -332,12 +332,12 @@ static int avc_add_xperms_decision(struct avc_node *node, { struct avc_xperms_decision_node *dest_xpd; - node->ae.xp_node->xp.len++; dest_xpd = avc_xperms_decision_alloc(src->used); if (!dest_xpd) return -ENOMEM; avc_copy_xperms_decision(&dest_xpd->xpd, src); list_add(&dest_xpd->xpd_list, &node->ae.xp_node->xpd_head); + node->ae.xp_node->xp.len++; return 0; } From d88083916fc6caa0b0141fc26c78851fce881956 Mon Sep 17 00:00:00 2001 From: Qu Wenruo Date: Sun, 11 Aug 2024 15:00:22 +0930 Subject: [PATCH 360/702] btrfs: tree-checker: add dev extent item checks commit 008e2512dc5696ab2dc5bf264e98a9fe9ceb830e upstream. [REPORT] There is a corruption report that btrfs refused to mount a fs that has overlapping dev extents: BTRFS error (device sdc): dev extent devid 4 physical offset 14263979671552 overlap with previous dev extent end 14263980982272 BTRFS error (device sdc): failed to verify dev extents against chunks: -117 BTRFS error (device sdc): open_ctree failed [CAUSE] The direct cause is very obvious, there is a bad dev extent item with incorrect length. With btrfs check reporting two overlapping extents, the second one shows some clue on the cause: ERROR: dev extent devid 4 offset 14263979671552 len 6488064 overlap with previous dev extent end 14263980982272 ERROR: dev extent devid 13 offset 2257707008000 len 6488064 overlap with previous dev extent end 2257707270144 ERROR: errors found in extent allocation tree or chunk allocation The second one looks like a bitflip happened during new chunk allocation: hex(2257707008000) = 0x20da9d30000 hex(2257707270144) = 0x20da9d70000 diff = 0x00000040000 So it looks like a bitflip happened during new dev extent allocation, resulting the second overlap. Currently we only do the dev-extent verification at mount time, but if the corruption is caused by memory bitflip, we really want to catch it before writing the corruption to the storage. Furthermore the dev extent items has the following key definition: ( DEV_EXTENT ) Thus we can not just rely on the generic key order check to make sure there is no overlapping. [ENHANCEMENT] Introduce dedicated dev extent checks, including: - Fixed member checks * chunk_tree should always be BTRFS_CHUNK_TREE_OBJECTID (3) * chunk_objectid should always be BTRFS_FIRST_CHUNK_CHUNK_TREE_OBJECTID (256) - Alignment checks * chunk_offset should be aligned to sectorsize * length should be aligned to sectorsize * key.offset should be aligned to sectorsize - Overlap checks If the previous key is also a dev-extent item, with the same device id, make sure we do not overlap with the previous dev extent. Reported: Stefan N Link: https://lore.kernel.org/linux-btrfs/CA+W5K0rSO3koYTo=nzxxTm1-Pdu1HYgVxEpgJ=aGc7d=E8mGEg@mail.gmail.com/ CC: stable@vger.kernel.org # 5.10+ Reviewed-by: Anand Jain Signed-off-by: Qu Wenruo Reviewed-by: David Sterba Signed-off-by: David Sterba Signed-off-by: Greg Kroah-Hartman --- fs/btrfs/tree-checker.c | 69 +++++++++++++++++++++++++++++++++++++++++ 1 file changed, 69 insertions(+) diff --git a/fs/btrfs/tree-checker.c b/fs/btrfs/tree-checker.c index 5b952f69bc1f..2b0fc0c30f36 100644 --- a/fs/btrfs/tree-checker.c +++ b/fs/btrfs/tree-checker.c @@ -1546,6 +1546,72 @@ static int check_inode_ref(struct extent_buffer *leaf, return 0; } +static int check_dev_extent_item(const struct extent_buffer *leaf, + const struct btrfs_key *key, + int slot, + struct btrfs_key *prev_key) +{ + struct btrfs_dev_extent *de; + const u32 sectorsize = leaf->fs_info->sectorsize; + + de = btrfs_item_ptr(leaf, slot, struct btrfs_dev_extent); + /* Basic fixed member checks. */ + if (unlikely(btrfs_dev_extent_chunk_tree(leaf, de) != + BTRFS_CHUNK_TREE_OBJECTID)) { + generic_err(leaf, slot, + "invalid dev extent chunk tree id, has %llu expect %llu", + btrfs_dev_extent_chunk_tree(leaf, de), + BTRFS_CHUNK_TREE_OBJECTID); + return -EUCLEAN; + } + if (unlikely(btrfs_dev_extent_chunk_objectid(leaf, de) != + BTRFS_FIRST_CHUNK_TREE_OBJECTID)) { + generic_err(leaf, slot, + "invalid dev extent chunk objectid, has %llu expect %llu", + btrfs_dev_extent_chunk_objectid(leaf, de), + BTRFS_FIRST_CHUNK_TREE_OBJECTID); + return -EUCLEAN; + } + /* Alignment check. */ + if (unlikely(!IS_ALIGNED(key->offset, sectorsize))) { + generic_err(leaf, slot, + "invalid dev extent key.offset, has %llu not aligned to %u", + key->offset, sectorsize); + return -EUCLEAN; + } + if (unlikely(!IS_ALIGNED(btrfs_dev_extent_chunk_offset(leaf, de), + sectorsize))) { + generic_err(leaf, slot, + "invalid dev extent chunk offset, has %llu not aligned to %u", + btrfs_dev_extent_chunk_objectid(leaf, de), + sectorsize); + return -EUCLEAN; + } + if (unlikely(!IS_ALIGNED(btrfs_dev_extent_length(leaf, de), + sectorsize))) { + generic_err(leaf, slot, + "invalid dev extent length, has %llu not aligned to %u", + btrfs_dev_extent_length(leaf, de), sectorsize); + return -EUCLEAN; + } + /* Overlap check with previous dev extent. */ + if (slot && prev_key->objectid == key->objectid && + prev_key->type == key->type) { + struct btrfs_dev_extent *prev_de; + u64 prev_len; + + prev_de = btrfs_item_ptr(leaf, slot - 1, struct btrfs_dev_extent); + prev_len = btrfs_dev_extent_length(leaf, prev_de); + if (unlikely(prev_key->offset + prev_len > key->offset)) { + generic_err(leaf, slot, + "dev extent overlap, prev offset %llu len %llu current offset %llu", + prev_key->objectid, prev_len, key->offset); + return -EUCLEAN; + } + } + return 0; +} + /* * Common point to switch the item-specific validation. */ @@ -1581,6 +1647,9 @@ static int check_leaf_item(struct extent_buffer *leaf, case BTRFS_DEV_ITEM_KEY: ret = check_dev_item(leaf, key, slot); break; + case BTRFS_DEV_EXTENT_KEY: + ret = check_dev_extent_item(leaf, key, slot, prev_key); + break; case BTRFS_INODE_ITEM_KEY: ret = check_inode_item(leaf, key, slot); break; From 0452e15e7fe16cba6c64850270bbb913fa2cd59f Mon Sep 17 00:00:00 2001 From: Bas Nieuwenhuizen Date: Tue, 6 Aug 2024 22:27:32 +0200 Subject: [PATCH 361/702] drm/amdgpu: Actually check flags for all context ops. commit 0573a1e2ea7e35bff08944a40f1adf2bb35cea61 upstream. Missing validation ... Checked libdrm and it clears all the structs, so we should be safe to just check everything. Signed-off-by: Bas Nieuwenhuizen Signed-off-by: Alex Deucher (cherry picked from commit c6b86421f1f9ddf9d706f2453159813ee39d0cf9) Cc: stable@vger.kernel.org Signed-off-by: Greg Kroah-Hartman --- drivers/gpu/drm/amd/amdgpu/amdgpu_ctx.c | 8 ++++++++ 1 file changed, 8 insertions(+) diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_ctx.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_ctx.c index 2c1c5f7f98de..48817d2cda89 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_ctx.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_ctx.c @@ -386,16 +386,24 @@ int amdgpu_ctx_ioctl(struct drm_device *dev, void *data, switch (args->in.op) { case AMDGPU_CTX_OP_ALLOC_CTX: + if (args->in.flags) + return -EINVAL; r = amdgpu_ctx_alloc(adev, fpriv, filp, priority, &id); args->out.alloc.ctx_id = id; break; case AMDGPU_CTX_OP_FREE_CTX: + if (args->in.flags) + return -EINVAL; r = amdgpu_ctx_free(fpriv, id); break; case AMDGPU_CTX_OP_QUERY_STATE: + if (args->in.flags) + return -EINVAL; r = amdgpu_ctx_query(adev, fpriv, id, &args->out); break; case AMDGPU_CTX_OP_QUERY_STATE2: + if (args->in.flags) + return -EINVAL; r = amdgpu_ctx_query2(adev, fpriv, id, &args->out); break; default: From ad149f5585345e383baa65f1539d816cd715fd3b Mon Sep 17 00:00:00 2001 From: Al Viro Date: Sun, 21 Jul 2024 14:45:08 -0400 Subject: [PATCH 362/702] memcg_write_event_control(): fix a user-triggerable oops commit 046667c4d3196938e992fba0dfcde570aa85cd0e upstream. we are *not* guaranteed that anything past the terminating NUL is mapped (let alone initialized with anything sane). Fixes: 0dea116876ee ("cgroup: implement eventfd-based generic API for notifications") Cc: stable@vger.kernel.org Cc: Andrew Morton Acked-by: Michal Hocko Signed-off-by: Al Viro Signed-off-by: Greg Kroah-Hartman --- mm/memcontrol.c | 7 +++++-- 1 file changed, 5 insertions(+), 2 deletions(-) diff --git a/mm/memcontrol.c b/mm/memcontrol.c index 186ae9dba0fd..874f91715296 100644 --- a/mm/memcontrol.c +++ b/mm/memcontrol.c @@ -4884,9 +4884,12 @@ static ssize_t memcg_write_event_control(struct kernfs_open_file *of, buf = endp + 1; cfd = simple_strtoul(buf, &endp, 10); - if ((*endp != ' ') && (*endp != '\0')) + if (*endp == '\0') + buf = endp; + else if (*endp == ' ') + buf = endp + 1; + else return -EINVAL; - buf = endp + 1; event = kzalloc(sizeof(*event), GFP_KERNEL); if (!event) From e24625310c61d73d522abe5b4e6cc6f1b7bedacd Mon Sep 17 00:00:00 2001 From: Alex Deucher Date: Fri, 12 Jul 2024 10:00:33 -0400 Subject: [PATCH 363/702] drm/amdgpu/jpeg2: properly set atomics vmid field commit e414a304f2c5368a84f03ad34d29b89f965a33c9 upstream. This needs to be set as well if the IB uses atomics. Reviewed-by: Leo Liu Signed-off-by: Alex Deucher (cherry picked from commit 35c628774e50b3784c59e8ca7973f03bcb067132) Cc: stable@vger.kernel.org Signed-off-by: Greg Kroah-Hartman --- drivers/gpu/drm/amd/amdgpu/jpeg_v2_0.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/gpu/drm/amd/amdgpu/jpeg_v2_0.c b/drivers/gpu/drm/amd/amdgpu/jpeg_v2_0.c index ae8c0f897d59..24dd4df55cb2 100644 --- a/drivers/gpu/drm/amd/amdgpu/jpeg_v2_0.c +++ b/drivers/gpu/drm/amd/amdgpu/jpeg_v2_0.c @@ -553,11 +553,11 @@ void jpeg_v2_0_dec_ring_emit_ib(struct amdgpu_ring *ring, amdgpu_ring_write(ring, PACKETJ(mmUVD_LMI_JRBC_IB_VMID_INTERNAL_OFFSET, 0, 0, PACKETJ_TYPE0)); - amdgpu_ring_write(ring, (vmid | (vmid << 4))); + amdgpu_ring_write(ring, (vmid | (vmid << 4) | (vmid << 8))); amdgpu_ring_write(ring, PACKETJ(mmUVD_LMI_JPEG_VMID_INTERNAL_OFFSET, 0, 0, PACKETJ_TYPE0)); - amdgpu_ring_write(ring, (vmid | (vmid << 4))); + amdgpu_ring_write(ring, (vmid | (vmid << 4) | (vmid << 8))); amdgpu_ring_write(ring, PACKETJ(mmUVD_LMI_JRBC_IB_64BIT_BAR_LOW_INTERNAL_OFFSET, 0, 0, PACKETJ_TYPE0)); From c10ac31a72deb8560bf383148146c00a1892bb81 Mon Sep 17 00:00:00 2001 From: Alexander Lobakin Date: Wed, 27 Mar 2024 16:23:45 +0100 Subject: [PATCH 364/702] s390/cio: rename bitmap_size() -> idset_bitmap_size() commit c1023f5634b9bfcbfff0dc200245309e3cde9b54 upstream. bitmap_size() is a pretty generic name and one may want to use it for a generic bitmap API function. At the same time, its logic is not "generic", i.e. it's not just `nbits -> size of bitmap in bytes` converter as it would be expected from its name. Add the prefix 'idset_' used throughout the file where the function resides. Reviewed-by: Przemek Kitszel Acked-by: Peter Oberparleiter Signed-off-by: Alexander Lobakin Signed-off-by: David S. Miller Signed-off-by: Greg Kroah-Hartman --- drivers/s390/cio/idset.c | 10 ++++++---- 1 file changed, 6 insertions(+), 4 deletions(-) diff --git a/drivers/s390/cio/idset.c b/drivers/s390/cio/idset.c index 9455d9411b32..e5f28370a903 100644 --- a/drivers/s390/cio/idset.c +++ b/drivers/s390/cio/idset.c @@ -16,7 +16,7 @@ struct idset { unsigned long bitmap[]; }; -static inline unsigned long bitmap_size(int num_ssid, int num_id) +static inline unsigned long idset_bitmap_size(int num_ssid, int num_id) { return bitmap_size(size_mul(num_ssid, num_id)); } @@ -25,11 +25,12 @@ static struct idset *idset_new(int num_ssid, int num_id) { struct idset *set; - set = vmalloc(sizeof(struct idset) + bitmap_size(num_ssid, num_id)); + set = vmalloc(sizeof(struct idset) + + idset_bitmap_size(num_ssid, num_id)); if (set) { set->num_ssid = num_ssid; set->num_id = num_id; - memset(set->bitmap, 0, bitmap_size(num_ssid, num_id)); + memset(set->bitmap, 0, idset_bitmap_size(num_ssid, num_id)); } return set; } @@ -41,7 +42,8 @@ void idset_free(struct idset *set) void idset_fill(struct idset *set) { - memset(set->bitmap, 0xff, bitmap_size(set->num_ssid, set->num_id)); + memset(set->bitmap, 0xff, + idset_bitmap_size(set->num_ssid, set->num_id)); } static inline void idset_add(struct idset *set, int ssid, int id) From 6bcd0f95b899e7ce68c27d1cc7c4073aa1473515 Mon Sep 17 00:00:00 2001 From: Alexander Lobakin Date: Wed, 27 Mar 2024 16:23:47 +0100 Subject: [PATCH 365/702] btrfs: rename bitmap_set_bits() -> btrfs_bitmap_set_bits() commit 4ca532d64648d4776d15512caed3efea05ca7195 upstream. bitmap_set_bits() does not start with the FS' prefix and may collide with a new generic helper one day. It operates with the FS-specific types, so there's no change those two could do the same thing. Just add the prefix to exclude such possible conflict. Reviewed-by: Przemek Kitszel Acked-by: David Sterba Reviewed-by: Yury Norov Signed-off-by: Alexander Lobakin Signed-off-by: David S. Miller Signed-off-by: Greg Kroah-Hartman --- fs/btrfs/free-space-cache.c | 8 ++++---- 1 file changed, 4 insertions(+), 4 deletions(-) diff --git a/fs/btrfs/free-space-cache.c b/fs/btrfs/free-space-cache.c index af52c9e005b3..a779965d2990 100644 --- a/fs/btrfs/free-space-cache.c +++ b/fs/btrfs/free-space-cache.c @@ -1755,9 +1755,9 @@ static void bitmap_clear_bits(struct btrfs_free_space_ctl *ctl, ctl->free_space -= bytes; } -static void bitmap_set_bits(struct btrfs_free_space_ctl *ctl, - struct btrfs_free_space *info, u64 offset, - u64 bytes) +static void btrfs_bitmap_set_bits(struct btrfs_free_space_ctl *ctl, + struct btrfs_free_space *info, u64 offset, + u64 bytes) { unsigned long start, count, end; int extent_delta = 1; @@ -2077,7 +2077,7 @@ static u64 add_bytes_to_bitmap(struct btrfs_free_space_ctl *ctl, bytes_to_set = min(end - offset, bytes); - bitmap_set_bits(ctl, info, offset, bytes_to_set); + btrfs_bitmap_set_bits(ctl, info, offset, bytes_to_set); /* * We set some bytes, we have no idea what the max extent size is From 8e0e6b15ab49dcffa4f3828635aef89142f2cf87 Mon Sep 17 00:00:00 2001 From: Claudio Imbrenda Date: Thu, 1 Aug 2024 13:25:48 +0200 Subject: [PATCH 366/702] s390/uv: Panic for set and remove shared access UVC errors [ Upstream commit cff59d8631e1409ffdd22d9d717e15810181b32c ] The return value uv_set_shared() and uv_remove_shared() (which are wrappers around the share() function) is not always checked. The system integrity of a protected guest depends on the Share and Unshare UVCs being successful. This means that any caller that fails to check the return value will compromise the security of the protected guest. No code path that would lead to such violation of the security guarantees is currently exercised, since all the areas that are shared never get unshared during the lifetime of the system. This might change and become an issue in the future. The Share and Unshare UVCs can only fail in case of hypervisor misbehaviour (either a bug or malicious behaviour). In such cases there is no reasonable way forward, and the system needs to panic. This patch replaces the return at the end of the share() function with a panic, to guarantee system integrity. Fixes: 5abb9351dfd9 ("s390/uv: introduce guest side ultravisor code") Signed-off-by: Claudio Imbrenda Reviewed-by: Christian Borntraeger Reviewed-by: Steffen Eiden Reviewed-by: Janosch Frank Link: https://lore.kernel.org/r/20240801112548.85303-1-imbrenda@linux.ibm.com Message-ID: <20240801112548.85303-1-imbrenda@linux.ibm.com> [frankja@linux.ibm.com: Fixed up patch subject] Signed-off-by: Janosch Frank Signed-off-by: Sasha Levin --- arch/s390/include/asm/uv.h | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-) diff --git a/arch/s390/include/asm/uv.h b/arch/s390/include/asm/uv.h index 12c5f006c136..8fd441150a4e 100644 --- a/arch/s390/include/asm/uv.h +++ b/arch/s390/include/asm/uv.h @@ -312,7 +312,10 @@ static inline int share(unsigned long addr, u16 cmd) if (!uv_call(0, (u64)&uvcb)) return 0; - return -EINVAL; + pr_err("%s UVC failed (rc: 0x%x, rrc: 0x%x), possible hypervisor bug.\n", + uvcb.header.cmd == UVC_CMD_SET_SHARED_ACCESS ? "Share" : "Unshare", + uvcb.header.rc, uvcb.header.rrc); + panic("System security cannot be guaranteed unless the system panics now.\n"); } /* From 4b730a1475666b7864f055c2fa8873912fa7f2e1 Mon Sep 17 00:00:00 2001 From: Cosmin Ratiu Date: Thu, 8 Aug 2024 17:41:05 +0300 Subject: [PATCH 367/702] net/mlx5e: Correctly report errors for ethtool rx flows [ Upstream commit cbc796be1779c4dbc9a482c7233995e2a8b6bfb3 ] Previously, an ethtool rx flow with no attrs would not be added to the NIC as it has no rules to configure the hw with, but it would be reported as successful to the caller (return code 0). This is confusing for the user as ethtool then reports "Added rule $num", but no rule was actually added. This change corrects that by instead reporting these wrong rules as -EINVAL. Fixes: b29c61dac3a2 ("net/mlx5e: Ethtool steering flow validation refactoring") Signed-off-by: Cosmin Ratiu Reviewed-by: Saeed Mahameed Reviewed-by: Dragos Tatulea Signed-off-by: Tariq Toukan Link: https://patch.msgid.link/20240808144107.2095424-5-tariqt@nvidia.com Signed-off-by: Jakub Kicinski Signed-off-by: Sasha Levin --- drivers/net/ethernet/mellanox/mlx5/core/en_fs_ethtool.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_fs_ethtool.c b/drivers/net/ethernet/mellanox/mlx5/core/en_fs_ethtool.c index b416a8ee2eed..26631bca5ab8 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/en_fs_ethtool.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/en_fs_ethtool.c @@ -679,7 +679,7 @@ mlx5e_ethtool_flow_replace(struct mlx5e_priv *priv, if (num_tuples <= 0) { netdev_warn(priv->netdev, "%s: flow is not valid %d\n", __func__, num_tuples); - return num_tuples; + return num_tuples < 0 ? num_tuples : -EINVAL; } eth_ft = get_flow_table(priv, fs, num_tuples); From 1cece837e387c039225f19028df255df87a97c0d Mon Sep 17 00:00:00 2001 From: Dan Carpenter Date: Fri, 9 Aug 2024 15:28:19 +0300 Subject: [PATCH 368/702] atm: idt77252: prevent use after free in dequeue_rx() [ Upstream commit a9a18e8f770c9b0703dab93580d0b02e199a4c79 ] We can't dereference "skb" after calling vcc->push() because the skb is released. Fixes: 1da177e4c3f4 ("Linux-2.6.12-rc2") Signed-off-by: Dan Carpenter Signed-off-by: David S. Miller Signed-off-by: Sasha Levin --- drivers/atm/idt77252.c | 9 +++++---- 1 file changed, 5 insertions(+), 4 deletions(-) diff --git a/drivers/atm/idt77252.c b/drivers/atm/idt77252.c index e616e33c8a20..25fd73fafb37 100644 --- a/drivers/atm/idt77252.c +++ b/drivers/atm/idt77252.c @@ -1118,8 +1118,8 @@ dequeue_rx(struct idt77252_dev *card, struct rsq_entry *rsqe) rpp->len += skb->len; if (stat & SAR_RSQE_EPDU) { + unsigned int len, truesize; unsigned char *l1l2; - unsigned int len; l1l2 = (unsigned char *) ((unsigned long) skb->data + skb->len - 6); @@ -1189,14 +1189,15 @@ dequeue_rx(struct idt77252_dev *card, struct rsq_entry *rsqe) ATM_SKB(skb)->vcc = vcc; __net_timestamp(skb); + truesize = skb->truesize; vcc->push(vcc, skb); atomic_inc(&vcc->stats->rx); - if (skb->truesize > SAR_FB_SIZE_3) + if (truesize > SAR_FB_SIZE_3) add_rx_skb(card, 3, SAR_FB_SIZE_3, 1); - else if (skb->truesize > SAR_FB_SIZE_2) + else if (truesize > SAR_FB_SIZE_2) add_rx_skb(card, 2, SAR_FB_SIZE_2, 1); - else if (skb->truesize > SAR_FB_SIZE_1) + else if (truesize > SAR_FB_SIZE_1) add_rx_skb(card, 1, SAR_FB_SIZE_1, 1); else add_rx_skb(card, 0, SAR_FB_SIZE_0, 1); From aa9ce4193cbaf1d9a6fc66b43e28b25a9b1a0539 Mon Sep 17 00:00:00 2001 From: Radhey Shyam Pandey Date: Fri, 9 Aug 2024 11:56:09 +0530 Subject: [PATCH 369/702] net: axienet: Fix register defines comment description [ Upstream commit 9ff2f816e2aa65ca9a1cdf0954842f8173c0f48d ] In axiethernet header fix register defines comment description to be inline with IP documentation. It updates MAC configuration register, MDIO configuration register and frame filter control description. Fixes: 8a3b7a252dca ("drivers/net/ethernet/xilinx: added Xilinx AXI Ethernet driver") Signed-off-by: Radhey Shyam Pandey Reviewed-by: Andrew Lunn Signed-off-by: David S. Miller Signed-off-by: Sasha Levin --- drivers/net/ethernet/xilinx/xilinx_axienet.h | 16 ++++++++-------- 1 file changed, 8 insertions(+), 8 deletions(-) diff --git a/drivers/net/ethernet/xilinx/xilinx_axienet.h b/drivers/net/ethernet/xilinx/xilinx_axienet.h index 7326ad4d5e1c..c0c93d0e3c7f 100644 --- a/drivers/net/ethernet/xilinx/xilinx_axienet.h +++ b/drivers/net/ethernet/xilinx/xilinx_axienet.h @@ -159,16 +159,16 @@ #define XAE_RCW1_OFFSET 0x00000404 /* Rx Configuration Word 1 */ #define XAE_TC_OFFSET 0x00000408 /* Tx Configuration */ #define XAE_FCC_OFFSET 0x0000040C /* Flow Control Configuration */ -#define XAE_EMMC_OFFSET 0x00000410 /* EMAC mode configuration */ -#define XAE_PHYC_OFFSET 0x00000414 /* RGMII/SGMII configuration */ +#define XAE_EMMC_OFFSET 0x00000410 /* MAC speed configuration */ +#define XAE_PHYC_OFFSET 0x00000414 /* RX Max Frame Configuration */ #define XAE_ID_OFFSET 0x000004F8 /* Identification register */ -#define XAE_MDIO_MC_OFFSET 0x00000500 /* MII Management Config */ -#define XAE_MDIO_MCR_OFFSET 0x00000504 /* MII Management Control */ -#define XAE_MDIO_MWD_OFFSET 0x00000508 /* MII Management Write Data */ -#define XAE_MDIO_MRD_OFFSET 0x0000050C /* MII Management Read Data */ +#define XAE_MDIO_MC_OFFSET 0x00000500 /* MDIO Setup */ +#define XAE_MDIO_MCR_OFFSET 0x00000504 /* MDIO Control */ +#define XAE_MDIO_MWD_OFFSET 0x00000508 /* MDIO Write Data */ +#define XAE_MDIO_MRD_OFFSET 0x0000050C /* MDIO Read Data */ #define XAE_UAW0_OFFSET 0x00000700 /* Unicast address word 0 */ #define XAE_UAW1_OFFSET 0x00000704 /* Unicast address word 1 */ -#define XAE_FMI_OFFSET 0x00000708 /* Filter Mask Index */ +#define XAE_FMI_OFFSET 0x00000708 /* Frame Filter Control */ #define XAE_AF0_OFFSET 0x00000710 /* Address Filter 0 */ #define XAE_AF1_OFFSET 0x00000714 /* Address Filter 1 */ @@ -307,7 +307,7 @@ */ #define XAE_UAW1_UNICASTADDR_MASK 0x0000FFFF -/* Bit masks for Axi Ethernet FMI register */ +/* Bit masks for Axi Ethernet FMC register */ #define XAE_FMI_PM_MASK 0x80000000 /* Promis. mode enable */ #define XAE_FMI_IND_MASK 0x00000003 /* Index Mask */ From 665a4caa9c8d9c8a6d77caf834f8903259e876b7 Mon Sep 17 00:00:00 2001 From: Pawel Dembicki Date: Fri, 9 Aug 2024 21:38:03 +0200 Subject: [PATCH 370/702] net: dsa: vsc73xx: pass value in phy_write operation [ Upstream commit 5b9eebc2c7a5f0cc7950d918c1e8a4ad4bed5010 ] In the 'vsc73xx_phy_write' function, the register value is missing, and the phy write operation always sends zeros. This commit passes the value variable into the proper register. Fixes: 05bd97fc559d ("net: dsa: Add Vitesse VSC73xx DSA router driver") Reviewed-by: Linus Walleij Reviewed-by: Florian Fainelli Signed-off-by: Pawel Dembicki Signed-off-by: David S. Miller Signed-off-by: Sasha Levin --- drivers/net/dsa/vitesse-vsc73xx-core.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/net/dsa/vitesse-vsc73xx-core.c b/drivers/net/dsa/vitesse-vsc73xx-core.c index 018988b95035..55c1063327a8 100644 --- a/drivers/net/dsa/vitesse-vsc73xx-core.c +++ b/drivers/net/dsa/vitesse-vsc73xx-core.c @@ -531,7 +531,7 @@ static int vsc73xx_phy_write(struct dsa_switch *ds, int phy, int regnum, return 0; } - cmd = (phy << 21) | (regnum << 16); + cmd = (phy << 21) | (regnum << 16) | val; ret = vsc73xx_write(vsc, VSC73XX_BLOCK_MII, 0, 1, cmd); if (ret) return ret; From 351ad72c50d71b5fa4b714b21abe35e6f2da1bdf Mon Sep 17 00:00:00 2001 From: Pawel Dembicki Date: Wed, 17 Apr 2024 22:50:44 +0200 Subject: [PATCH 371/702] net: dsa: vsc73xx: use read_poll_timeout instead delay loop [ Upstream commit eb7e33d01db3aec128590391b2397384bab406b6 ] Switch the delay loop during the Arbiter empty check from vsc73xx_adjust_link() to use read_poll_timeout(). Functionally, one msleep() call is eliminated at the end of the loop in the timeout case. As Russell King suggested: "This [change] avoids the issue that on the last iteration, the code reads the register, tests it, finds the condition that's being waiting for is false, _then_ waits and end up printing the error message - that last wait is rather useless, and as the arbiter state isn't checked after waiting, it could be that we had success during the last wait." Suggested-by: Russell King Reviewed-by: Andrew Lunn Reviewed-by: Linus Walleij Reviewed-by: Florian Fainelli Signed-off-by: Pawel Dembicki Link: https://lore.kernel.org/r/20240417205048.3542839-2-paweldembicki@gmail.com Signed-off-by: Jakub Kicinski Stable-dep-of: fa63c6434b6f ("net: dsa: vsc73xx: check busy flag in MDIO operations") Signed-off-by: Sasha Levin --- drivers/net/dsa/vitesse-vsc73xx-core.c | 30 ++++++++++++++------------ 1 file changed, 16 insertions(+), 14 deletions(-) diff --git a/drivers/net/dsa/vitesse-vsc73xx-core.c b/drivers/net/dsa/vitesse-vsc73xx-core.c index 55c1063327a8..d050dfaf327c 100644 --- a/drivers/net/dsa/vitesse-vsc73xx-core.c +++ b/drivers/net/dsa/vitesse-vsc73xx-core.c @@ -17,6 +17,7 @@ #include #include #include +#include #include #include #include @@ -269,6 +270,9 @@ #define IS_7398(a) ((a)->chipid == VSC73XX_CHIPID_ID_7398) #define IS_739X(a) (IS_7395(a) || IS_7398(a)) +#define VSC73XX_POLL_SLEEP_US 1000 +#define VSC73XX_POLL_TIMEOUT_US 10000 + struct vsc73xx_counter { u8 counter; const char *name; @@ -780,7 +784,7 @@ static void vsc73xx_adjust_link(struct dsa_switch *ds, int port, * after a PHY or the CPU port comes up or down. */ if (!phydev->link) { - int maxloop = 10; + int ret, err; dev_dbg(vsc->dev, "port %d: went down\n", port); @@ -795,19 +799,17 @@ static void vsc73xx_adjust_link(struct dsa_switch *ds, int port, VSC73XX_ARBDISC, BIT(port), BIT(port)); /* Wait until queue is empty */ - vsc73xx_read(vsc, VSC73XX_BLOCK_ARBITER, 0, - VSC73XX_ARBEMPTY, &val); - while (!(val & BIT(port))) { - msleep(1); - vsc73xx_read(vsc, VSC73XX_BLOCK_ARBITER, 0, - VSC73XX_ARBEMPTY, &val); - if (--maxloop == 0) { - dev_err(vsc->dev, - "timeout waiting for block arbiter\n"); - /* Continue anyway */ - break; - } - } + ret = read_poll_timeout(vsc73xx_read, err, + err < 0 || (val & BIT(port)), + VSC73XX_POLL_SLEEP_US, + VSC73XX_POLL_TIMEOUT_US, false, + vsc, VSC73XX_BLOCK_ARBITER, 0, + VSC73XX_ARBEMPTY, &val); + if (ret) + dev_err(vsc->dev, + "timeout waiting for block arbiter\n"); + else if (err < 0) + dev_err(vsc->dev, "error reading arbiter\n"); /* Put this port into reset */ vsc73xx_write(vsc, VSC73XX_BLOCK_MAC, port, VSC73XX_MAC_CFG, From 8e8d306f3b58df351d94140cfc20b7b5a0a2b22b Mon Sep 17 00:00:00 2001 From: Pawel Dembicki Date: Fri, 9 Aug 2024 21:38:04 +0200 Subject: [PATCH 372/702] net: dsa: vsc73xx: check busy flag in MDIO operations [ Upstream commit fa63c6434b6f6aaf9d8d599dc899bc0a074cc0ad ] The VSC73xx has a busy flag used during MDIO operations. It is raised when MDIO read/write operations are in progress. Without it, PHYs are misconfigured and bus operations do not work as expected. Fixes: 05bd97fc559d ("net: dsa: Add Vitesse VSC73xx DSA router driver") Reviewed-by: Linus Walleij Reviewed-by: Florian Fainelli Signed-off-by: Pawel Dembicki Signed-off-by: David S. Miller Signed-off-by: Sasha Levin --- drivers/net/dsa/vitesse-vsc73xx-core.c | 37 +++++++++++++++++++++++++- 1 file changed, 36 insertions(+), 1 deletion(-) diff --git a/drivers/net/dsa/vitesse-vsc73xx-core.c b/drivers/net/dsa/vitesse-vsc73xx-core.c index d050dfaf327c..8a21902212e0 100644 --- a/drivers/net/dsa/vitesse-vsc73xx-core.c +++ b/drivers/net/dsa/vitesse-vsc73xx-core.c @@ -39,6 +39,10 @@ #define VSC73XX_BLOCK_ARBITER 0x5 /* Only subblock 0 */ #define VSC73XX_BLOCK_SYSTEM 0x7 /* Only subblock 0 */ +/* MII Block subblock */ +#define VSC73XX_BLOCK_MII_INTERNAL 0x0 /* Internal MDIO subblock */ +#define VSC73XX_BLOCK_MII_EXTERNAL 0x1 /* External MDIO subblock */ + #define CPU_PORT 6 /* CPU port */ /* MAC Block registers */ @@ -197,6 +201,8 @@ #define VSC73XX_MII_CMD 0x1 #define VSC73XX_MII_DATA 0x2 +#define VSC73XX_MII_STAT_BUSY BIT(3) + /* Arbiter block 5 registers */ #define VSC73XX_ARBEMPTY 0x0c #define VSC73XX_ARBDISC 0x0e @@ -271,6 +277,7 @@ #define IS_739X(a) (IS_7395(a) || IS_7398(a)) #define VSC73XX_POLL_SLEEP_US 1000 +#define VSC73XX_MDIO_POLL_SLEEP_US 5 #define VSC73XX_POLL_TIMEOUT_US 10000 struct vsc73xx_counter { @@ -488,6 +495,22 @@ static int vsc73xx_detect(struct vsc73xx *vsc) return 0; } +static int vsc73xx_mdio_busy_check(struct vsc73xx *vsc) +{ + int ret, err; + u32 val; + + ret = read_poll_timeout(vsc73xx_read, err, + err < 0 || !(val & VSC73XX_MII_STAT_BUSY), + VSC73XX_MDIO_POLL_SLEEP_US, + VSC73XX_POLL_TIMEOUT_US, false, vsc, + VSC73XX_BLOCK_MII, VSC73XX_BLOCK_MII_INTERNAL, + VSC73XX_MII_STAT, &val); + if (ret) + return ret; + return err; +} + static int vsc73xx_phy_read(struct dsa_switch *ds, int phy, int regnum) { struct vsc73xx *vsc = ds->priv; @@ -495,12 +518,20 @@ static int vsc73xx_phy_read(struct dsa_switch *ds, int phy, int regnum) u32 val; int ret; + ret = vsc73xx_mdio_busy_check(vsc); + if (ret) + return ret; + /* Setting bit 26 means "read" */ cmd = BIT(26) | (phy << 21) | (regnum << 16); ret = vsc73xx_write(vsc, VSC73XX_BLOCK_MII, 0, 1, cmd); if (ret) return ret; - msleep(2); + + ret = vsc73xx_mdio_busy_check(vsc); + if (ret) + return ret; + ret = vsc73xx_read(vsc, VSC73XX_BLOCK_MII, 0, 2, &val); if (ret) return ret; @@ -524,6 +555,10 @@ static int vsc73xx_phy_write(struct dsa_switch *ds, int phy, int regnum, u32 cmd; int ret; + ret = vsc73xx_mdio_busy_check(vsc); + if (ret) + return ret; + /* It was found through tedious experiments that this router * chip really hates to have it's PHYs reset. They * never recover if that happens: autonegotiation stops From 50c914b0e6fc4c947658a329368f9d4a6d2530b6 Mon Sep 17 00:00:00 2001 From: Eugene Syromiatnikov Date: Mon, 12 Aug 2024 08:51:23 +0200 Subject: [PATCH 373/702] mptcp: correct MPTCP_SUBFLOW_ATTR_SSN_OFFSET reserved size [ Upstream commit 655111b838cdabdb604f3625a9ff08c5eedb11da ] ssn_offset field is u32 and is placed into the netlink response with nla_put_u32(), but only 2 bytes are reserved for the attribute payload in subflow_get_info_size() (even though it makes no difference in the end, as it is aligned up to 4 bytes). Supply the correct argument to the relevant nla_total_size() call to make it less confusing. Fixes: 5147dfb50832 ("mptcp: allow dumping subflow context to userspace") Signed-off-by: Eugene Syromiatnikov Reviewed-by: Matthieu Baerts (NGI0) Link: https://patch.msgid.link/20240812065024.GA19719@asgard.redhat.com Signed-off-by: Jakub Kicinski Signed-off-by: Sasha Levin --- net/mptcp/diag.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/net/mptcp/diag.c b/net/mptcp/diag.c index d7ca71c59754..23bd18084c8a 100644 --- a/net/mptcp/diag.c +++ b/net/mptcp/diag.c @@ -95,7 +95,7 @@ static size_t subflow_get_info_size(const struct sock *sk) nla_total_size(4) + /* MPTCP_SUBFLOW_ATTR_RELWRITE_SEQ */ nla_total_size_64bit(8) + /* MPTCP_SUBFLOW_ATTR_MAP_SEQ */ nla_total_size(4) + /* MPTCP_SUBFLOW_ATTR_MAP_SFSEQ */ - nla_total_size(2) + /* MPTCP_SUBFLOW_ATTR_SSN_OFFSET */ + nla_total_size(4) + /* MPTCP_SUBFLOW_ATTR_SSN_OFFSET */ nla_total_size(2) + /* MPTCP_SUBFLOW_ATTR_MAP_DATALEN */ nla_total_size(4) + /* MPTCP_SUBFLOW_ATTR_FLAGS */ nla_total_size(1) + /* MPTCP_SUBFLOW_ATTR_ID_REM */ From e5ceff2196dc633c995afb080f6f44a72cff6e1d Mon Sep 17 00:00:00 2001 From: Donald Hunter Date: Tue, 6 Aug 2024 17:16:37 +0100 Subject: [PATCH 374/702] netfilter: flowtable: initialise extack before use [ Upstream commit e9767137308daf906496613fd879808a07f006a2 ] Fix missing initialisation of extack in flow offload. Fixes: c29f74e0df7a ("netfilter: nf_flow_table: hardware offload support") Signed-off-by: Donald Hunter Reviewed-by: Simon Horman Signed-off-by: Pablo Neira Ayuso Signed-off-by: Sasha Levin --- net/netfilter/nf_flow_table_offload.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/net/netfilter/nf_flow_table_offload.c b/net/netfilter/nf_flow_table_offload.c index 746ca77d0aad..f6275d93f8a5 100644 --- a/net/netfilter/nf_flow_table_offload.c +++ b/net/netfilter/nf_flow_table_offload.c @@ -682,8 +682,8 @@ static int nf_flow_offload_tuple(struct nf_flowtable *flowtable, struct list_head *block_cb_list) { struct flow_cls_offload cls_flow = {}; + struct netlink_ext_ack extack = {}; struct flow_block_cb *block_cb; - struct netlink_ext_ack extack; __be16 proto = ETH_P_ALL; int err, i = 0; From dbdbadec8a394c1c44a948bebe63b29e8d9f5ff0 Mon Sep 17 00:00:00 2001 From: Jie Wang Date: Tue, 13 Aug 2024 22:10:20 +0800 Subject: [PATCH 375/702] net: hns3: fix wrong use of semaphore up [ Upstream commit 8445d9d3c03101859663d34fda747f6a50947556 ] Currently, if hns3 PF or VF FLR reset failed after five times retry, the reset done process will directly release the semaphore which has already released in hclge_reset_prepare_general. This will cause down operation fail. So this patch fixes it by adding reset state judgement. The up operation is only called after successful PF FLR reset. Fixes: 8627bdedc435 ("net: hns3: refactor the precedure of PF FLR") Fixes: f28368bb4542 ("net: hns3: refactor the procedure of VF FLR") Signed-off-by: Jie Wang Signed-off-by: Jijie Shao Signed-off-by: Paolo Abeni Signed-off-by: Sasha Levin --- drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_main.c | 4 ++-- drivers/net/ethernet/hisilicon/hns3/hns3vf/hclgevf_main.c | 4 ++-- 2 files changed, 4 insertions(+), 4 deletions(-) diff --git a/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_main.c b/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_main.c index 5dbee850fef5..885793707a5f 100644 --- a/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_main.c +++ b/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_main.c @@ -10051,8 +10051,8 @@ static void hclge_flr_done(struct hnae3_ae_dev *ae_dev) dev_err(&hdev->pdev->dev, "fail to rebuild, ret=%d\n", ret); hdev->reset_type = HNAE3_NONE_RESET; - clear_bit(HCLGE_STATE_RST_HANDLING, &hdev->state); - up(&hdev->reset_sem); + if (test_and_clear_bit(HCLGE_STATE_RST_HANDLING, &hdev->state)) + up(&hdev->reset_sem); } static void hclge_clear_resetting_state(struct hclge_dev *hdev) diff --git a/drivers/net/ethernet/hisilicon/hns3/hns3vf/hclgevf_main.c b/drivers/net/ethernet/hisilicon/hns3/hns3vf/hclgevf_main.c index be41117ec146..755935f9efc8 100644 --- a/drivers/net/ethernet/hisilicon/hns3/hns3vf/hclgevf_main.c +++ b/drivers/net/ethernet/hisilicon/hns3/hns3vf/hclgevf_main.c @@ -2093,8 +2093,8 @@ static void hclgevf_flr_done(struct hnae3_ae_dev *ae_dev) ret); hdev->reset_type = HNAE3_NONE_RESET; - clear_bit(HCLGEVF_STATE_RST_HANDLING, &hdev->state); - up(&hdev->reset_sem); + if (test_and_clear_bit(HCLGEVF_STATE_RST_HANDLING, &hdev->state)) + up(&hdev->reset_sem); } static u32 hclgevf_get_fw_version(struct hnae3_handle *handle) From fc250eca15bde34c4c8f806b9d88f55bd56a992c Mon Sep 17 00:00:00 2001 From: Jie Wang Date: Tue, 13 Aug 2024 22:10:22 +0800 Subject: [PATCH 376/702] net: hns3: fix a deadlock problem when config TC during resetting MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit [ Upstream commit be5e816d00a506719e9dbb1a9c861c5ced30a109 ] When config TC during the reset process, may cause a deadlock, the flow is as below: pf reset start │ ▼ ...... setup tc │ │ ▼ ▼ DOWN: napi_disable() napi_disable()(skip) │ │ │ ▼ ▼ ...... ...... │ │ ▼ │ napi_enable() │ ▼ UINIT: netif_napi_del() │ ▼ ...... │ ▼ INIT: netif_napi_add() │ ▼ ...... global reset start │ │ ▼ ▼ UP: napi_enable()(skip) ...... │ │ ▼ ▼ ...... napi_disable() In reset process, the driver will DOWN the port and then UINIT, in this case, the setup tc process will UP the port before UINIT, so cause the problem. Adds a DOWN process in UINIT to fix it. Fixes: bb6b94a896d4 ("net: hns3: Add reset interface implementation in client") Signed-off-by: Jie Wang Signed-off-by: Jijie Shao Signed-off-by: Paolo Abeni Signed-off-by: Sasha Levin --- drivers/net/ethernet/hisilicon/hns3/hns3_enet.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/drivers/net/ethernet/hisilicon/hns3/hns3_enet.c b/drivers/net/ethernet/hisilicon/hns3/hns3_enet.c index f8275534205a..9ff5179b4d87 100644 --- a/drivers/net/ethernet/hisilicon/hns3/hns3_enet.c +++ b/drivers/net/ethernet/hisilicon/hns3/hns3_enet.c @@ -4536,6 +4536,9 @@ static int hns3_reset_notify_uninit_enet(struct hnae3_handle *handle) struct hns3_nic_priv *priv = netdev_priv(netdev); int ret; + if (!test_bit(HNS3_NIC_STATE_DOWN, &priv->state)) + hns3_nic_net_stop(netdev); + if (!test_and_clear_bit(HNS3_NIC_STATE_INITED, &priv->state)) { netdev_warn(netdev, "already uninitialized\n"); return 0; From dfa894f7ea37ad5bf28303ef599ba1ae5eb66055 Mon Sep 17 00:00:00 2001 From: Parsa Poorshikhian Date: Sat, 10 Aug 2024 18:39:06 +0330 Subject: [PATCH 377/702] ALSA: hda/realtek: Fix noise from speakers on Lenovo IdeaPad 3 15IAU7 [ Upstream commit ef9718b3d54e822de294351251f3a574f8a082ce ] Fix noise from speakers connected to AUX port when no sound is playing. The problem occurs because the `alc_shutup_pins` function includes a 0x10ec0257 vendor ID, which causes noise on Lenovo IdeaPad 3 15IAU7 with Realtek ALC257 codec when no sound is playing. Removing this vendor ID from the function fixes the bug. Fixes: 70794b9563fe ("ALSA: hda/realtek: Add more codec ID to no shutup pins list") Signed-off-by: Parsa Poorshikhian Link: https://patch.msgid.link/20240810150939.330693-1-parsa.poorsh@gmail.com Signed-off-by: Takashi Iwai Signed-off-by: Sasha Levin --- sound/pci/hda/patch_realtek.c | 1 - 1 file changed, 1 deletion(-) diff --git a/sound/pci/hda/patch_realtek.c b/sound/pci/hda/patch_realtek.c index e8e9cfb4a935..04fd52bba057 100644 --- a/sound/pci/hda/patch_realtek.c +++ b/sound/pci/hda/patch_realtek.c @@ -578,7 +578,6 @@ static void alc_shutup_pins(struct hda_codec *codec) switch (codec->core.vendor_id) { case 0x10ec0236: case 0x10ec0256: - case 0x10ec0257: case 0x19e58326: case 0x10ec0283: case 0x10ec0285: From 5fe7bdbe4f532f741aa60410195ac733104488e1 Mon Sep 17 00:00:00 2001 From: Rand Deeb Date: Tue, 5 Sep 2023 02:23:46 +0300 Subject: [PATCH 378/702] ssb: Fix division by zero issue in ssb_calc_clock_rate MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit [ Upstream commit e0b5127fa134fe0284d58877b6b3133939c8b3ce ] In ssb_calc_clock_rate(), there is a potential issue where the value of m1 could be zero due to initialization using clkfactor_f6_resolv(). This situation raised concerns about the possibility of a division by zero error. We fixed it by following the suggestions provided by Larry Finger and Michael Büsch . The fix involves returning a value of 1 instead of 0 in clkfactor_f6_resolv(). This modification ensures the proper functioning of the code and eliminates the risk of division by zero errors. Signed-off-by: Rand Deeb Acked-by: Larry Finger Acked-by: Michael Büsch Signed-off-by: Kalle Valo Link: https://lore.kernel.org/r/20230904232346.34991-1-rand.sec96@gmail.com Signed-off-by: Sasha Levin --- drivers/ssb/main.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/ssb/main.c b/drivers/ssb/main.c index 0a26984acb2c..9e54bc7eec66 100644 --- a/drivers/ssb/main.c +++ b/drivers/ssb/main.c @@ -835,7 +835,7 @@ static u32 clkfactor_f6_resolve(u32 v) case SSB_CHIPCO_CLK_F6_7: return 7; } - return 0; + return 1; } /* Calculate the speed the backplane would run at a given set of clockcontrol values */ From 11b0c7323c28fb84289bf285b969294f84f726e6 Mon Sep 17 00:00:00 2001 From: Johannes Berg Date: Tue, 29 Aug 2023 20:16:11 +0200 Subject: [PATCH 379/702] wifi: mac80211: fix BA session teardown race [ Upstream commit 05f136220d17839eb7c155f015ace9152f603225 ] As previously reported by Alexander, whose commit 69403bad97aa ("wifi: mac80211: sdata can be NULL during AMPDU start") I'm reverting as part of this commit, there's a race between station destruction and aggregation setup, where the aggregation setup can happen while the station is being removed and queue the work after ieee80211_sta_tear_down_BA_sessions() has already run in __sta_info_destroy_part1(), and thus the worker will run with a now freed station. In his case, this manifested in a NULL sdata pointer, but really there's no guarantee whatsoever. The real issue seems to be that it's possible at all to have a situation where this occurs - we want to stop the BA sessions when doing _part1, but we cannot be sure, and WLAN_STA_BLOCK_BA isn't necessarily effective since we don't know that the setup isn't concurrently running and already got past the check. Simply call ieee80211_sta_tear_down_BA_sessions() again in the second part of station destruction, since at that point really nothing else can hold a reference to the station any more. Also revert the sdata checks since those are just misleading at this point. Signed-off-by: Johannes Berg Signed-off-by: Sasha Levin --- net/mac80211/agg-tx.c | 6 +----- net/mac80211/driver-ops.c | 3 --- net/mac80211/sta_info.c | 14 ++++++++++++++ 3 files changed, 15 insertions(+), 8 deletions(-) diff --git a/net/mac80211/agg-tx.c b/net/mac80211/agg-tx.c index 92e5812daf89..4b4ab1961068 100644 --- a/net/mac80211/agg-tx.c +++ b/net/mac80211/agg-tx.c @@ -491,7 +491,7 @@ void ieee80211_tx_ba_session_handle_start(struct sta_info *sta, int tid) { struct tid_ampdu_tx *tid_tx; struct ieee80211_local *local = sta->local; - struct ieee80211_sub_if_data *sdata; + struct ieee80211_sub_if_data *sdata = sta->sdata; struct ieee80211_ampdu_params params = { .sta = &sta->sta, .action = IEEE80211_AMPDU_TX_START, @@ -521,7 +521,6 @@ void ieee80211_tx_ba_session_handle_start(struct sta_info *sta, int tid) */ synchronize_net(); - sdata = sta->sdata; params.ssn = sta->tid_seq[tid] >> 4; ret = drv_ampdu_action(local, sdata, ¶ms); tid_tx->ssn = params.ssn; @@ -535,9 +534,6 @@ void ieee80211_tx_ba_session_handle_start(struct sta_info *sta, int tid) */ set_bit(HT_AGG_STATE_DRV_READY, &tid_tx->state); } else if (ret) { - if (!sdata) - return; - ht_dbg(sdata, "BA request denied - HW unavailable for %pM tid %d\n", sta->sta.addr, tid); diff --git a/net/mac80211/driver-ops.c b/net/mac80211/driver-ops.c index 120bd9cdf7df..48322e45e7dd 100644 --- a/net/mac80211/driver-ops.c +++ b/net/mac80211/driver-ops.c @@ -331,9 +331,6 @@ int drv_ampdu_action(struct ieee80211_local *local, might_sleep(); - if (!sdata) - return -EIO; - sdata = get_bss_sdata(sdata); if (!check_sdata_in_driver(sdata)) return -EIO; diff --git a/net/mac80211/sta_info.c b/net/mac80211/sta_info.c index f7637176d719..3bb7a3314788 100644 --- a/net/mac80211/sta_info.c +++ b/net/mac80211/sta_info.c @@ -1064,6 +1064,20 @@ static void __sta_info_destroy_part2(struct sta_info *sta) * after _part1 and before _part2! */ + /* + * There's a potential race in _part1 where we set WLAN_STA_BLOCK_BA + * but someone might have just gotten past a check, and not yet into + * queuing the work/creating the data/etc. + * + * Do another round of destruction so that the worker is certainly + * canceled before we later free the station. + * + * Since this is after synchronize_rcu()/synchronize_net() we're now + * certain that nobody can actually hold a reference to the STA and + * be calling e.g. ieee80211_start_tx_ba_session(). + */ + ieee80211_sta_tear_down_BA_sessions(sta, AGG_STOP_DESTROY_STA); + might_sleep(); lockdep_assert_held(&local->sta_mtx); From 5335c7f8db455507a0955a3fbb64465c885664fe Mon Sep 17 00:00:00 2001 From: Jeff Johnson Date: Thu, 31 Aug 2023 11:22:57 -0700 Subject: [PATCH 380/702] wifi: cw1200: Avoid processing an invalid TIM IE [ Upstream commit b7bcea9c27b3d87b54075735c870500123582145 ] While converting struct ieee80211_tim_ie::virtual_map to be a flexible array it was observed that the TIM IE processing in cw1200_rx_cb() could potentially process a malformed IE in a manner that could result in a buffer over-read. Add logic to verify that the TIM IE length is large enough to hold a valid TIM payload before processing it. Signed-off-by: Jeff Johnson Signed-off-by: Kalle Valo Link: https://lore.kernel.org/r/20230831-ieee80211_tim_ie-v3-1-e10ff584ab5d@quicinc.com Signed-off-by: Sasha Levin --- drivers/net/wireless/st/cw1200/txrx.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/net/wireless/st/cw1200/txrx.c b/drivers/net/wireless/st/cw1200/txrx.c index 400dd585916b..7ef088650357 100644 --- a/drivers/net/wireless/st/cw1200/txrx.c +++ b/drivers/net/wireless/st/cw1200/txrx.c @@ -1170,7 +1170,7 @@ void cw1200_rx_cb(struct cw1200_common *priv, size_t ies_len = skb->len - (ies - (u8 *)(skb->data)); tim_ie = cfg80211_find_ie(WLAN_EID_TIM, ies, ies_len); - if (tim_ie) { + if (tim_ie && tim_ie[1] >= sizeof(struct ieee80211_tim_ie)) { struct ieee80211_tim_ie *tim = (struct ieee80211_tim_ie *)&tim_ie[2]; From bbb662d0c23d81e31bc0d43efae7641d3a5406b9 Mon Sep 17 00:00:00 2001 From: Wolfram Sang Date: Wed, 6 Sep 2023 22:00:23 +0200 Subject: [PATCH 381/702] i2c: riic: avoid potential division by zero [ Upstream commit 7890fce6201aed46d3576e3d641f9ee5c1f0e16f ] Value comes from DT, so it could be 0. Unlikely, but could be. Signed-off-by: Wolfram Sang Reviewed-by: Geert Uytterhoeven Signed-off-by: Wolfram Sang Signed-off-by: Sasha Levin --- drivers/i2c/busses/i2c-riic.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/i2c/busses/i2c-riic.c b/drivers/i2c/busses/i2c-riic.c index 4eccc0f69861..d8f252c4caf2 100644 --- a/drivers/i2c/busses/i2c-riic.c +++ b/drivers/i2c/busses/i2c-riic.c @@ -312,7 +312,7 @@ static int riic_init_hw(struct riic_dev *riic, struct i2c_timings *t) * frequency with only 62 clock ticks max (31 high, 31 low). * Aim for a duty of 60% LOW, 40% HIGH. */ - total_ticks = DIV_ROUND_UP(rate, t->bus_freq_hz); + total_ticks = DIV_ROUND_UP(rate, t->bus_freq_hz ?: 1); for (cks = 0; cks < 7; cks++) { /* From aeda7043c4db1446b8def022bf1fc101e83b335e Mon Sep 17 00:00:00 2001 From: Zhu Yanjun Date: Tue, 19 Sep 2023 10:08:06 +0800 Subject: [PATCH 382/702] RDMA/rtrs: Fix the problem of variable not initialized fully [ Upstream commit c5930a1aa08aafe6ffe15b5d28fe875f88f6ac86 ] No functionality change. The variable which is not initialized fully will introduce potential risks. Signed-off-by: Zhu Yanjun Link: https://lore.kernel.org/r/20230919020806.534183-1-yanjun.zhu@intel.com Signed-off-by: Leon Romanovsky Signed-off-by: Sasha Levin --- drivers/infiniband/ulp/rtrs/rtrs.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/infiniband/ulp/rtrs/rtrs.c b/drivers/infiniband/ulp/rtrs/rtrs.c index 76b993e8d672..f34793068f34 100644 --- a/drivers/infiniband/ulp/rtrs/rtrs.c +++ b/drivers/infiniband/ulp/rtrs/rtrs.c @@ -235,7 +235,7 @@ static int create_cq(struct rtrs_con *con, int cq_vector, u16 cq_size, static int create_qp(struct rtrs_con *con, struct ib_pd *pd, u32 max_send_wr, u32 max_recv_wr, u32 max_sge) { - struct ib_qp_init_attr init_attr = {NULL}; + struct ib_qp_init_attr init_attr = {}; struct rdma_cm_id *cm_id = con->cm_id; int ret; From 0f83d77926303534bff2b5cedaa20fff7be8e01a Mon Sep 17 00:00:00 2001 From: Heiko Carstens Date: Tue, 5 Sep 2023 15:49:37 +0200 Subject: [PATCH 383/702] s390/smp,mcck: fix early IPI handling [ Upstream commit 4a1725281fc5b0009944b1c0e1d2c1dc311a09ec ] Both the external call as well as the emergency signal submask bits in control register 0 are set before any interrupt handler is registered. Change the order and first register the interrupt handler and only then enable the interrupts by setting the corresponding bits in control register 0. This prevents that the second part of the machine check handler for early machine check handling is not executed: the machine check handler sends an IPI to the CPU it runs on. If the corresponding interrupts are enabled, but no interrupt handler is present, the interrupt is ignored. Reviewed-by: Sven Schnelle Acked-by: Alexander Gordeev Signed-off-by: Heiko Carstens Signed-off-by: Vasily Gorbik Signed-off-by: Sasha Levin --- arch/s390/kernel/early.c | 12 +++--------- arch/s390/kernel/smp.c | 4 ++-- 2 files changed, 5 insertions(+), 11 deletions(-) diff --git a/arch/s390/kernel/early.c b/arch/s390/kernel/early.c index 985e1e755333..bac1be43d36c 100644 --- a/arch/s390/kernel/early.c +++ b/arch/s390/kernel/early.c @@ -252,15 +252,9 @@ static inline void save_vector_registers(void) #endif } -static inline void setup_control_registers(void) +static inline void setup_low_address_protection(void) { - unsigned long reg; - - __ctl_store(reg, 0, 0); - reg |= CR0_LOW_ADDRESS_PROTECTION; - reg |= CR0_EMERGENCY_SIGNAL_SUBMASK; - reg |= CR0_EXTERNAL_CALL_SUBMASK; - __ctl_load(reg, 0, 0); + __ctl_set_bit(0, 28); } static inline void setup_access_registers(void) @@ -313,7 +307,7 @@ void __init startup_init(void) save_vector_registers(); setup_topology(); sclp_early_detect(); - setup_control_registers(); + setup_low_address_protection(); setup_access_registers(); lockdep_on(); } diff --git a/arch/s390/kernel/smp.c b/arch/s390/kernel/smp.c index 5674792726cd..2e0c3b0a5a58 100644 --- a/arch/s390/kernel/smp.c +++ b/arch/s390/kernel/smp.c @@ -982,12 +982,12 @@ void __init smp_fill_possible_mask(void) void __init smp_prepare_cpus(unsigned int max_cpus) { - /* request the 0x1201 emergency signal external interrupt */ if (register_external_irq(EXT_IRQ_EMERGENCY_SIG, do_ext_call_interrupt)) panic("Couldn't request external interrupt 0x1201"); - /* request the 0x1202 external call external interrupt */ + ctl_set_bit(0, 14); if (register_external_irq(EXT_IRQ_EXTERNAL_CALL, do_ext_call_interrupt)) panic("Couldn't request external interrupt 0x1202"); + ctl_set_bit(0, 13); } void __init smp_prepare_boot_cpu(void) From 01fa4415c3cce1197483338c1dc0378616260d32 Mon Sep 17 00:00:00 2001 From: Hans Verkuil Date: Sat, 23 Sep 2023 17:21:04 +0200 Subject: [PATCH 384/702] media: radio-isa: use dev_name to fill in bus_info [ Upstream commit 8b7f3cf4eb9a95940eaabad3226caeaa0d9aa59d ] This fixes this warning: drivers/media/radio/radio-isa.c: In function 'radio_isa_querycap': drivers/media/radio/radio-isa.c:39:57: warning: '%s' directive output may be truncated writing up to 35 bytes into a region of size 28 [-Wformat-truncation=] 39 | snprintf(v->bus_info, sizeof(v->bus_info), "ISA:%s", isa->v4l2_dev.name); | ^~ drivers/media/radio/radio-isa.c:39:9: note: 'snprintf' output between 5 and 40 bytes into a destination of size 32 39 | snprintf(v->bus_info, sizeof(v->bus_info), "ISA:%s", isa->v4l2_dev.name); | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ Signed-off-by: Hans Verkuil Signed-off-by: Sasha Levin --- drivers/media/radio/radio-isa.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/media/radio/radio-isa.c b/drivers/media/radio/radio-isa.c index ad2ac16ff12d..610d3e326951 100644 --- a/drivers/media/radio/radio-isa.c +++ b/drivers/media/radio/radio-isa.c @@ -36,7 +36,7 @@ static int radio_isa_querycap(struct file *file, void *priv, strscpy(v->driver, isa->drv->driver.driver.name, sizeof(v->driver)); strscpy(v->card, isa->drv->card, sizeof(v->card)); - snprintf(v->bus_info, sizeof(v->bus_info), "ISA:%s", isa->v4l2_dev.name); + snprintf(v->bus_info, sizeof(v->bus_info), "ISA:%s", dev_name(isa->v4l2_dev.dev)); return 0; } From cc49ee343351da89655f60ef83c12d3a5fd28c52 Mon Sep 17 00:00:00 2001 From: David Lechner Date: Fri, 29 Sep 2023 12:23:07 -0500 Subject: [PATCH 385/702] staging: iio: resolver: ad2s1210: fix use before initialization [ Upstream commit 7fe2d05cee46b1c4d9f1efaeab08cc31a0dfff60 ] This fixes a use before initialization in ad2s1210_probe(). The ad2s1210_setup_gpios() function uses st->sdev but it was being called before this field was initialized. Signed-off-by: David Lechner Link: https://lore.kernel.org/r/20230929-ad2s1210-mainline-v3-2-fa4364281745@baylibre.com Signed-off-by: Jonathan Cameron Signed-off-by: Sasha Levin --- drivers/staging/iio/resolver/ad2s1210.c | 7 ++++--- 1 file changed, 4 insertions(+), 3 deletions(-) diff --git a/drivers/staging/iio/resolver/ad2s1210.c b/drivers/staging/iio/resolver/ad2s1210.c index a19cfb2998c9..f19bb5c796cf 100644 --- a/drivers/staging/iio/resolver/ad2s1210.c +++ b/drivers/staging/iio/resolver/ad2s1210.c @@ -658,9 +658,6 @@ static int ad2s1210_probe(struct spi_device *spi) if (!indio_dev) return -ENOMEM; st = iio_priv(indio_dev); - ret = ad2s1210_setup_gpios(st); - if (ret < 0) - return ret; spi_set_drvdata(spi, indio_dev); @@ -671,6 +668,10 @@ static int ad2s1210_probe(struct spi_device *spi) st->resolution = 12; st->fexcit = AD2S1210_DEF_EXCIT; + ret = ad2s1210_setup_gpios(st); + if (ret < 0) + return ret; + indio_dev->info = &ad2s1210_info; indio_dev->modes = INDIO_DIRECT_MODE; indio_dev->channels = ad2s1210_channels; From db3b679f66f14e34e6ccf1520c3a2963eb478083 Mon Sep 17 00:00:00 2001 From: Alex Hung Date: Mon, 10 Jul 2023 18:23:58 -0600 Subject: [PATCH 386/702] drm/amd/display: Validate hw_points_num before using it [ Upstream commit 58c3b3341cea4f75dc8c003b89f8a6dd8ec55e50 ] [WHAT] hw_points_num is 0 before ogam LUT is programmed; however, function "dwb3_program_ogam_pwl" assumes hw_points_num is always greater than 0, i.e. substracting it by 1 as an array index. [HOW] Check hw_points_num is not equal to 0 before using it. Reviewed-by: Harry Wentland Signed-off-by: Alex Hung Signed-off-by: Alex Deucher Signed-off-by: Sasha Levin --- drivers/gpu/drm/amd/display/dc/dcn30/dcn30_dwb_cm.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/drivers/gpu/drm/amd/display/dc/dcn30/dcn30_dwb_cm.c b/drivers/gpu/drm/amd/display/dc/dcn30/dcn30_dwb_cm.c index 6d621f07be48..1c170fbb634d 100644 --- a/drivers/gpu/drm/amd/display/dc/dcn30/dcn30_dwb_cm.c +++ b/drivers/gpu/drm/amd/display/dc/dcn30/dcn30_dwb_cm.c @@ -243,6 +243,9 @@ static bool dwb3_program_ogam_lut( return false; } + if (params->hw_points_num == 0) + return false; + REG_SET(DWB_OGAM_CONTROL, 0, DWB_OGAM_MODE, 2); current_mode = dwb3_get_ogam_current(dwbc30); From c13541c5eff959ad86bfdc2f7596acfa366c7002 Mon Sep 17 00:00:00 2001 From: Chengfeng Ye Date: Tue, 26 Sep 2023 16:13:23 +0000 Subject: [PATCH 387/702] staging: ks7010: disable bh on tx_dev_lock [ Upstream commit 058cbee52ccd7be77e373d31a4f14670cfd32018 ] As &priv->tx_dev.tx_dev_lock is also acquired by xmit callback which could be call from timer under softirq context, use spin_lock_bh() on it to prevent potential deadlock. hostif_sme_work() --> hostif_sme_set_pmksa() --> hostif_mib_set_request() --> ks_wlan_hw_tx() --> spin_lock(&priv->tx_dev.tx_dev_lock) ks_wlan_start_xmit() --> hostif_data_request() --> ks_wlan_hw_tx() --> spin_lock(&priv->tx_dev.tx_dev_lock) Signed-off-by: Chengfeng Ye Link: https://lore.kernel.org/r/20230926161323.41928-1-dg573847474@gmail.com Signed-off-by: Greg Kroah-Hartman Signed-off-by: Sasha Levin --- drivers/staging/ks7010/ks7010_sdio.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/staging/ks7010/ks7010_sdio.c b/drivers/staging/ks7010/ks7010_sdio.c index 8c740c771f50..8e3fc4b78fd2 100644 --- a/drivers/staging/ks7010/ks7010_sdio.c +++ b/drivers/staging/ks7010/ks7010_sdio.c @@ -395,9 +395,9 @@ int ks_wlan_hw_tx(struct ks_wlan_private *priv, void *p, unsigned long size, priv->hostt.buff[priv->hostt.qtail] = le16_to_cpu(hdr->event); priv->hostt.qtail = (priv->hostt.qtail + 1) % SME_EVENT_BUFF_SIZE; - spin_lock(&priv->tx_dev.tx_dev_lock); + spin_lock_bh(&priv->tx_dev.tx_dev_lock); result = enqueue_txdev(priv, p, size, complete_handler, skb); - spin_unlock(&priv->tx_dev.tx_dev_lock); + spin_unlock_bh(&priv->tx_dev.tx_dev_lock); if (txq_has_space(priv)) queue_delayed_work(priv->wq, &priv->rw_dwork, 0); From a43edc7abc4fd96c05ef1b8b2c164fa040b4cc6d Mon Sep 17 00:00:00 2001 From: Christian Brauner Date: Thu, 28 Oct 2021 12:31:13 +0200 Subject: [PATCH 388/702] binfmt_misc: cleanup on filesystem umount [ Upstream commit 1c5976ef0f7ad76319df748ccb99a4c7ba2ba464 ] Currently, registering a new binary type pins the binfmt_misc filesystem. Specifically, this means that as long as there is at least one binary type registered the binfmt_misc filesystem survives all umounts, i.e. the superblock is not destroyed. Meaning that a umount followed by another mount will end up with the same superblock and the same binary type handlers. This is a behavior we tend to discourage for any new filesystems (apart from a few special filesystems such as e.g. configfs or debugfs). A umount operation without the filesystem being pinned - by e.g. someone holding a file descriptor to an open file - should usually result in the destruction of the superblock and all associated resources. This makes introspection easier and leads to clearly defined, simple and clean semantics. An administrator can rely on the fact that a umount will guarantee a clean slate making it possible to reinitialize a filesystem. Right now all binary types would need to be explicitly deleted before that can happen. This allows us to remove the heavy-handed calls to simple_pin_fs() and simple_release_fs() when creating and deleting binary types. This in turn allows us to replace the current brittle pinning mechanism abusing dget() which has caused a range of bugs judging from prior fixes in [2] and [3]. The additional dget() in load_misc_binary() pins the dentry but only does so for the sake to prevent ->evict_inode() from freeing the node when a user removes the binary type and kill_node() is run. Which would mean ->interpreter and ->interp_file would be freed causing a UAF. This isn't really nicely documented nor is it very clean because it relies on simple_pin_fs() pinning the filesystem as long as at least one binary type exists. Otherwise it would cause load_misc_binary() to hold on to a dentry belonging to a superblock that has been shutdown. Replace that implicit pinning with a clean and simple per-node refcount and get rid of the ugly dget() pinning. A similar mechanism exists for e.g. binderfs (cf. [4]). All the cleanup work can now be done in ->evict_inode(). In a follow-up patch we will make it possible to use binfmt_misc in sandboxes. We will use the cleaner semantics where a umount for the filesystem will cause the superblock and all resources to be deallocated. In preparation for this apply the same semantics to the initial binfmt_misc mount. Note, that this is a user-visible change and as such a uapi change but one that we can reasonably risk. We've discussed this in earlier versions of this patchset (cf. [1]). The main user and provider of binfmt_misc is systemd. Systemd provides binfmt_misc via autofs since it is configurable as a kernel module and is used by a few exotic packages and users. As such a binfmt_misc mount is triggered when /proc/sys/fs/binfmt_misc is accessed and is only provided on demand. Other autofs on demand filesystems include EFI ESP which systemd umounts if the mountpoint stays idle for a certain amount of time. This doesn't apply to the binfmt_misc autofs mount which isn't touched once it is mounted meaning this change can't accidently wipe binary type handlers without someone having explicitly unmounted binfmt_misc. After speaking to systemd folks they don't expect this change to affect them. In line with our general policy, if we see a regression for systemd or other users with this change we will switch back to the old behavior for the initial binfmt_misc mount and have binary types pin the filesystem again. But while we touch this code let's take the chance and let's improve on the status quo. [1]: https://lore.kernel.org/r/20191216091220.465626-2-laurent@vivier.eu [2]: commit 43a4f2619038 ("exec: binfmt_misc: fix race between load_misc_binary() and kill_node()" [3]: commit 83f918274e4b ("exec: binfmt_misc: shift filp_close(interp_file) from kill_node() to bm_evict_inode()") [4]: commit f0fe2c0f050d ("binder: prevent UAF for binderfs devices II") Link: https://lore.kernel.org/r/20211028103114.2849140-1-brauner@kernel.org (v1) Cc: Sargun Dhillon Cc: Serge Hallyn Cc: Jann Horn Cc: Henning Schild Cc: Andrei Vagin Cc: Al Viro Cc: Laurent Vivier Cc: linux-fsdevel@vger.kernel.org Acked-by: Serge Hallyn Signed-off-by: Christian Brauner Signed-off-by: Christian Brauner Signed-off-by: Kees Cook Signed-off-by: Sasha Levin --- fs/binfmt_misc.c | 216 ++++++++++++++++++++++++++++++++++++----------- 1 file changed, 168 insertions(+), 48 deletions(-) diff --git a/fs/binfmt_misc.c b/fs/binfmt_misc.c index ce0047feea72..744ae53d483d 100644 --- a/fs/binfmt_misc.c +++ b/fs/binfmt_misc.c @@ -60,12 +60,11 @@ typedef struct { char *name; struct dentry *dentry; struct file *interp_file; + refcount_t users; /* sync removal with load_misc_binary() */ } Node; static DEFINE_RWLOCK(entries_lock); static struct file_system_type bm_fs_type; -static struct vfsmount *bm_mnt; -static int entry_count; /* * Max length of the register string. Determined by: @@ -82,19 +81,23 @@ static int entry_count; */ #define MAX_REGISTER_LENGTH 1920 -/* - * Check if we support the binfmt - * if we do, return the node, else NULL - * locking is done in load_misc_binary +/** + * search_binfmt_handler - search for a binary handler for @bprm + * @misc: handle to binfmt_misc instance + * @bprm: binary for which we are looking for a handler + * + * Search for a binary type handler for @bprm in the list of registered binary + * type handlers. + * + * Return: binary type list entry on success, NULL on failure */ -static Node *check_file(struct linux_binprm *bprm) +static Node *search_binfmt_handler(struct linux_binprm *bprm) { char *p = strrchr(bprm->interp, '.'); - struct list_head *l; + Node *e; /* Walk all the registered handlers. */ - list_for_each(l, &entries) { - Node *e = list_entry(l, Node, list); + list_for_each_entry(e, &entries, list) { char *s; int j; @@ -123,9 +126,49 @@ static Node *check_file(struct linux_binprm *bprm) if (j == e->size) return e; } + return NULL; } +/** + * get_binfmt_handler - try to find a binary type handler + * @misc: handle to binfmt_misc instance + * @bprm: binary for which we are looking for a handler + * + * Try to find a binfmt handler for the binary type. If one is found take a + * reference to protect against removal via bm_{entry,status}_write(). + * + * Return: binary type list entry on success, NULL on failure + */ +static Node *get_binfmt_handler(struct linux_binprm *bprm) +{ + Node *e; + + read_lock(&entries_lock); + e = search_binfmt_handler(bprm); + if (e) + refcount_inc(&e->users); + read_unlock(&entries_lock); + return e; +} + +/** + * put_binfmt_handler - put binary handler node + * @e: node to put + * + * Free node syncing with load_misc_binary() and defer final free to + * load_misc_binary() in case it is using the binary type handler we were + * requested to remove. + */ +static void put_binfmt_handler(Node *e) +{ + if (refcount_dec_and_test(&e->users)) { + if (e->flags & MISC_FMT_OPEN_FILE) + filp_close(e->interp_file, NULL); + kfree(e); + } +} + /* * the loader itself */ @@ -139,12 +182,7 @@ static int load_misc_binary(struct linux_binprm *bprm) if (!enabled) return retval; - /* to keep locking time low, we copy the interpreter string */ - read_lock(&entries_lock); - fmt = check_file(bprm); - if (fmt) - dget(fmt->dentry); - read_unlock(&entries_lock); + fmt = get_binfmt_handler(bprm); if (!fmt) return retval; @@ -196,7 +234,16 @@ static int load_misc_binary(struct linux_binprm *bprm) retval = 0; ret: - dput(fmt->dentry); + + /* + * If we actually put the node here all concurrent calls to + * load_misc_binary() will have finished. We also know + * that for the refcount to be zero ->evict_inode() must have removed + * the node to be deleted from the list. All that is left for us is to + * close and free. + */ + put_binfmt_handler(fmt); + return retval; } @@ -551,30 +598,90 @@ static struct inode *bm_get_inode(struct super_block *sb, int mode) return inode; } +/** + * bm_evict_inode - cleanup data associated with @inode + * @inode: inode to which the data is attached + * + * Cleanup the binary type handler data associated with @inode if a binary type + * entry is removed or the filesystem is unmounted and the super block is + * shutdown. + * + * If the ->evict call was not caused by a super block shutdown but by a write + * to remove the entry or all entries via bm_{entry,status}_write() the entry + * will have already been removed from the list. We keep the list_empty() check + * to make that explicit. +*/ static void bm_evict_inode(struct inode *inode) { Node *e = inode->i_private; - if (e && e->flags & MISC_FMT_OPEN_FILE) - filp_close(e->interp_file, NULL); - clear_inode(inode); - kfree(e); + + if (e) { + write_lock(&entries_lock); + if (!list_empty(&e->list)) + list_del_init(&e->list); + write_unlock(&entries_lock); + put_binfmt_handler(e); + } } -static void kill_node(Node *e) +/** + * unlink_binfmt_dentry - remove the dentry for the binary type handler + * @dentry: dentry associated with the binary type handler + * + * Do the actual filesystem work to remove a dentry for a registered binary + * type handler. Since binfmt_misc only allows simple files to be created + * directly under the root dentry of the filesystem we ensure that we are + * indeed passed a dentry directly beneath the root dentry, that the inode + * associated with the root dentry is locked, and that it is a regular file we + * are asked to remove. + */ +static void unlink_binfmt_dentry(struct dentry *dentry) { - struct dentry *dentry; + struct dentry *parent = dentry->d_parent; + struct inode *inode, *parent_inode; + /* All entries are immediate descendants of the root dentry. */ + if (WARN_ON_ONCE(dentry->d_sb->s_root != parent)) + return; + + /* We only expect to be called on regular files. */ + inode = d_inode(dentry); + if (WARN_ON_ONCE(!S_ISREG(inode->i_mode))) + return; + + /* The parent inode must be locked. */ + parent_inode = d_inode(parent); + if (WARN_ON_ONCE(!inode_is_locked(parent_inode))) + return; + + if (simple_positive(dentry)) { + dget(dentry); + simple_unlink(parent_inode, dentry); + d_delete(dentry); + dput(dentry); + } +} + +/** + * remove_binfmt_handler - remove a binary type handler + * @misc: handle to binfmt_misc instance + * @e: binary type handler to remove + * + * Remove a binary type handler from the list of binary type handlers and + * remove its associated dentry. This is called from + * binfmt_{entry,status}_write(). In the future, we might want to think about + * adding a proper ->unlink() method to binfmt_misc instead of forcing caller's + * to use writes to files in order to delete binary type handlers. But it has + * worked for so long that it's not a pressing issue. + */ +static void remove_binfmt_handler(Node *e) +{ write_lock(&entries_lock); list_del_init(&e->list); write_unlock(&entries_lock); - - dentry = e->dentry; - drop_nlink(d_inode(dentry)); - d_drop(dentry); - dput(dentry); - simple_release_fs(&bm_mnt, &entry_count); + unlink_binfmt_dentry(e->dentry); } /* / */ @@ -601,8 +708,8 @@ bm_entry_read(struct file *file, char __user *buf, size_t nbytes, loff_t *ppos) static ssize_t bm_entry_write(struct file *file, const char __user *buffer, size_t count, loff_t *ppos) { - struct dentry *root; - Node *e = file_inode(file)->i_private; + struct inode *inode = file_inode(file); + Node *e = inode->i_private; int res = parse_command(buffer, count); switch (res) { @@ -616,13 +723,22 @@ static ssize_t bm_entry_write(struct file *file, const char __user *buffer, break; case 3: /* Delete this handler. */ - root = file_inode(file)->i_sb->s_root; - inode_lock(d_inode(root)); + inode = d_inode(inode->i_sb->s_root); + inode_lock(inode); + /* + * In order to add new element or remove elements from the list + * via bm_{entry,register,status}_write() inode_lock() on the + * root inode must be held. + * The lock is exclusive ensuring that the list can't be + * modified. Only load_misc_binary() can access but does so + * read-only. So we only need to take the write lock when we + * actually remove the entry from the list. + */ if (!list_empty(&e->list)) - kill_node(e); + remove_binfmt_handler(e); - inode_unlock(d_inode(root)); + inode_unlock(inode); break; default: return res; @@ -681,13 +797,7 @@ static ssize_t bm_register_write(struct file *file, const char __user *buffer, if (!inode) goto out2; - err = simple_pin_fs(&bm_fs_type, &bm_mnt, &entry_count); - if (err) { - iput(inode); - inode = NULL; - goto out2; - } - + refcount_set(&e->users, 1); e->dentry = dget(dentry); inode->i_private = e; inode->i_fop = &bm_entry_operations; @@ -731,7 +841,8 @@ static ssize_t bm_status_write(struct file *file, const char __user *buffer, size_t count, loff_t *ppos) { int res = parse_command(buffer, count); - struct dentry *root; + Node *e, *next; + struct inode *inode; switch (res) { case 1: @@ -744,13 +855,22 @@ static ssize_t bm_status_write(struct file *file, const char __user *buffer, break; case 3: /* Delete all handlers. */ - root = file_inode(file)->i_sb->s_root; - inode_lock(d_inode(root)); + inode = d_inode(file_inode(file)->i_sb->s_root); + inode_lock(inode); - while (!list_empty(&entries)) - kill_node(list_first_entry(&entries, Node, list)); + /* + * In order to add new element or remove elements from the list + * via bm_{entry,register,status}_write() inode_lock() on the + * root inode must be held. + * The lock is exclusive ensuring that the list can't be + * modified. Only load_misc_binary() can access but does so + * read-only. So we only need to take the write lock when we + * actually remove the entry from the list. + */ + list_for_each_entry_safe(e, next, &entries, list) + remove_binfmt_handler(e); - inode_unlock(d_inode(root)); + inode_unlock(inode); break; default: return res; From 3663e78fab9f7194caca9421ddde342269b40d50 Mon Sep 17 00:00:00 2001 From: Hans Verkuil Date: Fri, 6 Oct 2023 12:08:47 +0200 Subject: [PATCH 389/702] media: qcom: venus: fix incorrect return value [ Upstream commit 51b74c09ac8c5862007fc2bf0d465529d06dd446 ] 'pd' can be NULL, and in that case it shouldn't be passed to PTR_ERR. Fixes a smatch warning: drivers/media/platform/qcom/venus/pm_helpers.c:873 vcodec_domains_get() warn: passing zero to 'PTR_ERR' Signed-off-by: Hans Verkuil Reviewed-by: Bryan O'Donoghue Signed-off-by: Sasha Levin --- drivers/media/platform/qcom/venus/pm_helpers.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/media/platform/qcom/venus/pm_helpers.c b/drivers/media/platform/qcom/venus/pm_helpers.c index 6bf9c5c319de..fd55352d743e 100644 --- a/drivers/media/platform/qcom/venus/pm_helpers.c +++ b/drivers/media/platform/qcom/venus/pm_helpers.c @@ -765,7 +765,7 @@ static int vcodec_domains_get(struct venus_core *core) pd = dev_pm_domain_attach_by_name(dev, res->vcodec_pmdomains[i]); if (IS_ERR_OR_NULL(pd)) - return PTR_ERR(pd) ? : -ENODATA; + return pd ? PTR_ERR(pd) : -ENODATA; core->pmdomains[i] = pd; } From 80456d39f08fb08eee17de5a677dd4c8ab1fe3f1 Mon Sep 17 00:00:00 2001 From: Mike Christie Date: Wed, 4 Oct 2023 16:00:07 -0500 Subject: [PATCH 390/702] scsi: spi: Fix sshdr use [ Upstream commit 0b149cee836aa53989ea089af1cb9d90d7c6ac9e ] If scsi_execute_cmd returns < 0, it doesn't initialize the sshdr, so we shouldn't access the sshdr. If it returns 0, then the cmd executed successfully, so there is no need to check the sshdr. This has us access the sshdr when we get a return value > 0. Signed-off-by: Mike Christie Link: https://lore.kernel.org/r/20231004210013.5601-7-michael.christie@oracle.com Reviewed-by: Christoph Hellwig Reviewed-by: John Garry Reviewed-by: Martin Wilck Signed-off-by: Martin K. Petersen Signed-off-by: Sasha Levin --- drivers/scsi/scsi_transport_spi.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/scsi/scsi_transport_spi.c b/drivers/scsi/scsi_transport_spi.c index c37dd15d16d2..83f2576ed2aa 100644 --- a/drivers/scsi/scsi_transport_spi.c +++ b/drivers/scsi/scsi_transport_spi.c @@ -677,10 +677,10 @@ spi_dv_device_echo_buffer(struct scsi_device *sdev, u8 *buffer, for (r = 0; r < retries; r++) { result = spi_execute(sdev, spi_write_buffer, DMA_TO_DEVICE, buffer, len, &sshdr); - if(result || !scsi_device_online(sdev)) { + if (result || !scsi_device_online(sdev)) { scsi_device_set_state(sdev, SDEV_QUIESCE); - if (scsi_sense_valid(&sshdr) + if (result > 0 && scsi_sense_valid(&sshdr) && sshdr.sense_key == ILLEGAL_REQUEST /* INVALID FIELD IN CDB */ && sshdr.asc == 0x24 && sshdr.ascq == 0x00) From d483de53d4cfbec549f0bb5a7b7fb6cf8f338e19 Mon Sep 17 00:00:00 2001 From: Andreas Gruenbacher Date: Sat, 21 Oct 2023 20:51:13 +0200 Subject: [PATCH 391/702] gfs2: setattr_chown: Add missing initialization [ Upstream commit 2d8d7990619878a848b1d916c2f936d3012ee17d ] Add a missing initialization of variable ap in setattr_chown(). Without, chown() may be able to bypass quotas. Signed-off-by: Andreas Gruenbacher Signed-off-by: Sasha Levin --- fs/gfs2/inode.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/fs/gfs2/inode.c b/fs/gfs2/inode.c index d75d56d9ea0c..22905a076a6a 100644 --- a/fs/gfs2/inode.c +++ b/fs/gfs2/inode.c @@ -1905,7 +1905,7 @@ static int setattr_chown(struct inode *inode, struct iattr *attr) kuid_t ouid, nuid; kgid_t ogid, ngid; int error; - struct gfs2_alloc_parms ap; + struct gfs2_alloc_parms ap = {}; ouid = inode->i_uid; ogid = inode->i_gid; From 7138c598562bac1d15b28933346ef6ec9d95b437 Mon Sep 17 00:00:00 2001 From: Miri Korenblit Date: Wed, 4 Oct 2023 12:36:28 +0300 Subject: [PATCH 392/702] wifi: iwlwifi: abort scan when rfkill on but device enabled [ Upstream commit 3c6a0b1f0add72e7f522bc9145222b86d0a7712a ] In RFKILL we first set the RFKILL bit, then we abort scan (if one exists) by waiting for the notification from FW and notifying mac80211. And then we stop the device. But in case we have a scan ongoing in the period of time between rfkill on and before the device is stopped - we will not wait for the FW notification because of the iwl_mvm_is_radio_killed() condition, and then the scan_status and uid_status are misconfigured, (scan_status is cleared but uid_status not) and when the notification suddenly arrives (before stopping the device) we will get into the assert about scan_status and uid_status mismatch. Fix this by waiting for FW notif when rfkill is on but the device isn't disabled yet. Signed-off-by: Miri Korenblit Signed-off-by: Gregory Greenman Link: https://lore.kernel.org/r/20231004123422.c43b69aa2c77.Icc7b5efb47974d6f499156ff7510b786e177993b@changeid Signed-off-by: Johannes Berg Signed-off-by: Sasha Levin --- drivers/net/wireless/intel/iwlwifi/mvm/scan.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/scan.c b/drivers/net/wireless/intel/iwlwifi/mvm/scan.c index a9df48c75155..a52af491eed5 100644 --- a/drivers/net/wireless/intel/iwlwifi/mvm/scan.c +++ b/drivers/net/wireless/intel/iwlwifi/mvm/scan.c @@ -2675,7 +2675,7 @@ int iwl_mvm_scan_stop(struct iwl_mvm *mvm, int type, bool notify) if (!(mvm->scan_status & type)) return 0; - if (iwl_mvm_is_radio_killed(mvm)) { + if (!test_bit(STATUS_DEVICE_ENABLED, &mvm->trans->status)) { ret = 0; goto out; } From 372928e8bef0ff777768fd9184c03846c15adabd Mon Sep 17 00:00:00 2001 From: Chengfeng Ye Date: Tue, 26 Sep 2023 10:11:16 +0000 Subject: [PATCH 393/702] IB/hfi1: Fix potential deadlock on &irq_src_lock and &dd->uctxt_lock [ Upstream commit 2f19c4b8395ccb6eb25ccafee883c8cfbe3fc193 ] handle_receive_interrupt_napi_sp() running inside interrupt handler could introduce inverse lock ordering between &dd->irq_src_lock and &dd->uctxt_lock, if read_mod_write() is preempted by the isr. [CPU0] | [CPU1] hfi1_ipoib_dev_open() | --> hfi1_netdev_enable_queues() | --> enable_queues(rx) | --> hfi1_rcvctrl() | --> set_intr_bits() | --> read_mod_write() | --> spin_lock(&dd->irq_src_lock) | | hfi1_poll() | --> poll_next() | --> spin_lock_irq(&dd->uctxt_lock) | | --> hfi1_rcvctrl() | --> set_intr_bits() | --> read_mod_write() | --> spin_lock(&dd->irq_src_lock) | --> handle_receive_interrupt_napi_sp() | --> set_all_fastpath() | --> hfi1_rcd_get_by_index() | --> spin_lock_irqsave(&dd->uctxt_lock) | This flaw was found by an experimental static analysis tool I am developing for irq-related deadlock. To prevent the potential deadlock, the patch use spin_lock_irqsave() on &dd->irq_src_lock inside read_mod_write() to prevent the possible deadlock scenario. Signed-off-by: Chengfeng Ye Link: https://lore.kernel.org/r/20230926101116.2797-1-dg573847474@gmail.com Acked-by: Dennis Dalessandro Signed-off-by: Leon Romanovsky Signed-off-by: Sasha Levin --- drivers/infiniband/hw/hfi1/chip.c | 5 +++-- 1 file changed, 3 insertions(+), 2 deletions(-) diff --git a/drivers/infiniband/hw/hfi1/chip.c b/drivers/infiniband/hw/hfi1/chip.c index c74868f01637..b7ae4bf2f549 100644 --- a/drivers/infiniband/hw/hfi1/chip.c +++ b/drivers/infiniband/hw/hfi1/chip.c @@ -13224,15 +13224,16 @@ static void read_mod_write(struct hfi1_devdata *dd, u16 src, u64 bits, { u64 reg; u16 idx = src / BITS_PER_REGISTER; + unsigned long flags; - spin_lock(&dd->irq_src_lock); + spin_lock_irqsave(&dd->irq_src_lock, flags); reg = read_csr(dd, CCE_INT_MASK + (8 * idx)); if (set) reg |= bits; else reg &= ~bits; write_csr(dd, CCE_INT_MASK + (8 * idx), reg); - spin_unlock(&dd->irq_src_lock); + spin_unlock_irqrestore(&dd->irq_src_lock, flags); } /** From 5380f1b2b9ab5bdbc1ee345253622d6f3531f269 Mon Sep 17 00:00:00 2001 From: Kunwu Chan Date: Wed, 22 Nov 2023 11:06:51 +0800 Subject: [PATCH 394/702] powerpc/xics: Check return value of kasprintf in icp_native_map_one_cpu [ Upstream commit 45b1ba7e5d1f6881050d558baf9bc74a2ae13930 ] kasprintf() returns a pointer to dynamically allocated memory which can be NULL upon failure. Ensure the allocation was successful by checking the pointer validity. Signed-off-by: Kunwu Chan Signed-off-by: Michael Ellerman Link: https://msgid.link/20231122030651.3818-1-chentao@kylinos.cn Signed-off-by: Sasha Levin --- arch/powerpc/sysdev/xics/icp-native.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/arch/powerpc/sysdev/xics/icp-native.c b/arch/powerpc/sysdev/xics/icp-native.c index 7d13d2ef5a90..66de291b27d0 100644 --- a/arch/powerpc/sysdev/xics/icp-native.c +++ b/arch/powerpc/sysdev/xics/icp-native.c @@ -235,6 +235,8 @@ static int __init icp_native_map_one_cpu(int hw_id, unsigned long addr, rname = kasprintf(GFP_KERNEL, "CPU %d [0x%x] Interrupt Presentation", cpu, hw_id); + if (!rname) + return -ENOMEM; if (!request_mem_region(addr, size, rname)) { pr_warn("icp_native: Could not reserve ICP MMIO for CPU %d, interrupt server #0x%x\n", cpu, hw_id); From 0f6425d90d0f987332abe57883ca321fb9cecb04 Mon Sep 17 00:00:00 2001 From: Daniel Wagner Date: Mon, 18 Dec 2023 16:30:51 +0100 Subject: [PATCH 395/702] nvmet-trace: avoid dereferencing pointer too early [ Upstream commit 0e716cec6fb11a14c220ee17c404b67962e902f7 ] The first command issued from the host to the target is the fabrics connect command. At this point, neither the target queue nor the controller have been allocated. But we already try to trace this command in nvmet_req_init. Reported by KASAN. Reviewed-by: Hannes Reinecke Signed-off-by: Daniel Wagner Reviewed-by: Christoph Hellwig Signed-off-by: Keith Busch Signed-off-by: Sasha Levin --- drivers/nvme/target/trace.c | 6 +++--- drivers/nvme/target/trace.h | 28 +++++++++++++++++----------- 2 files changed, 20 insertions(+), 14 deletions(-) diff --git a/drivers/nvme/target/trace.c b/drivers/nvme/target/trace.c index 1373a3c67962..a3564e12927b 100644 --- a/drivers/nvme/target/trace.c +++ b/drivers/nvme/target/trace.c @@ -195,7 +195,7 @@ const char *nvmet_trace_disk_name(struct trace_seq *p, char *name) return ret; } -const char *nvmet_trace_ctrl_name(struct trace_seq *p, struct nvmet_ctrl *ctrl) +const char *nvmet_trace_ctrl_id(struct trace_seq *p, u16 ctrl_id) { const char *ret = trace_seq_buffer_ptr(p); @@ -208,8 +208,8 @@ const char *nvmet_trace_ctrl_name(struct trace_seq *p, struct nvmet_ctrl *ctrl) * If we can know the extra data of the connect command in this stage, * we can update this print statement later. */ - if (ctrl) - trace_seq_printf(p, "%d", ctrl->cntlid); + if (ctrl_id) + trace_seq_printf(p, "%d", ctrl_id); else trace_seq_printf(p, "_"); trace_seq_putc(p, 0); diff --git a/drivers/nvme/target/trace.h b/drivers/nvme/target/trace.h index c14e3249a14d..13fb8265f952 100644 --- a/drivers/nvme/target/trace.h +++ b/drivers/nvme/target/trace.h @@ -32,18 +32,24 @@ const char *nvmet_trace_parse_fabrics_cmd(struct trace_seq *p, u8 fctype, nvmet_trace_parse_nvm_cmd(p, opcode, cdw10) : \ nvmet_trace_parse_admin_cmd(p, opcode, cdw10))) -const char *nvmet_trace_ctrl_name(struct trace_seq *p, struct nvmet_ctrl *ctrl); -#define __print_ctrl_name(ctrl) \ - nvmet_trace_ctrl_name(p, ctrl) +const char *nvmet_trace_ctrl_id(struct trace_seq *p, u16 ctrl_id); +#define __print_ctrl_id(ctrl_id) \ + nvmet_trace_ctrl_id(p, ctrl_id) const char *nvmet_trace_disk_name(struct trace_seq *p, char *name); #define __print_disk_name(name) \ nvmet_trace_disk_name(p, name) #ifndef TRACE_HEADER_MULTI_READ -static inline struct nvmet_ctrl *nvmet_req_to_ctrl(struct nvmet_req *req) +static inline u16 nvmet_req_to_ctrl_id(struct nvmet_req *req) { - return req->sq->ctrl; + /* + * The queue and controller pointers are not valid until an association + * has been established. + */ + if (!req->sq || !req->sq->ctrl) + return 0; + return req->sq->ctrl->cntlid; } static inline void __assign_req_name(char *name, struct nvmet_req *req) @@ -60,7 +66,7 @@ TRACE_EVENT(nvmet_req_init, TP_ARGS(req, cmd), TP_STRUCT__entry( __field(struct nvme_command *, cmd) - __field(struct nvmet_ctrl *, ctrl) + __field(u16, ctrl_id) __array(char, disk, DISK_NAME_LEN) __field(int, qid) __field(u16, cid) @@ -73,7 +79,7 @@ TRACE_EVENT(nvmet_req_init, ), TP_fast_assign( __entry->cmd = cmd; - __entry->ctrl = nvmet_req_to_ctrl(req); + __entry->ctrl_id = nvmet_req_to_ctrl_id(req); __assign_req_name(__entry->disk, req); __entry->qid = req->sq->qid; __entry->cid = cmd->common.command_id; @@ -87,7 +93,7 @@ TRACE_EVENT(nvmet_req_init, ), TP_printk("nvmet%s: %sqid=%d, cmdid=%u, nsid=%u, flags=%#x, " "meta=%#llx, cmd=(%s, %s)", - __print_ctrl_name(__entry->ctrl), + __print_ctrl_id(__entry->ctrl_id), __print_disk_name(__entry->disk), __entry->qid, __entry->cid, __entry->nsid, __entry->flags, __entry->metadata, @@ -101,7 +107,7 @@ TRACE_EVENT(nvmet_req_complete, TP_PROTO(struct nvmet_req *req), TP_ARGS(req), TP_STRUCT__entry( - __field(struct nvmet_ctrl *, ctrl) + __field(u16, ctrl_id) __array(char, disk, DISK_NAME_LEN) __field(int, qid) __field(int, cid) @@ -109,7 +115,7 @@ TRACE_EVENT(nvmet_req_complete, __field(u16, status) ), TP_fast_assign( - __entry->ctrl = nvmet_req_to_ctrl(req); + __entry->ctrl_id = nvmet_req_to_ctrl_id(req); __entry->qid = req->cq->qid; __entry->cid = req->cqe->command_id; __entry->result = le64_to_cpu(req->cqe->result.u64); @@ -117,7 +123,7 @@ TRACE_EVENT(nvmet_req_complete, __assign_req_name(__entry->disk, req); ), TP_printk("nvmet%s: %sqid=%d, cmdid=%u, res=%#llx, status=%#x", - __print_ctrl_name(__entry->ctrl), + __print_ctrl_id(__entry->ctrl_id), __print_disk_name(__entry->disk), __entry->qid, __entry->cid, __entry->result, __entry->status) From 239c5e988ec111ed511ef2763a6c2c45ab766b93 Mon Sep 17 00:00:00 2001 From: Baokun Li Date: Thu, 4 Jan 2024 22:20:34 +0800 Subject: [PATCH 396/702] ext4: do not trim the group with corrupted block bitmap [ Upstream commit 172202152a125955367393956acf5f4ffd092e0d ] Otherwise operating on an incorrupted block bitmap can lead to all sorts of unknown problems. Signed-off-by: Baokun Li Reviewed-by: Jan Kara Link: https://lore.kernel.org/r/20240104142040.2835097-3-libaokun1@huawei.com Signed-off-by: Theodore Ts'o Signed-off-by: Sasha Levin --- fs/ext4/mballoc.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/fs/ext4/mballoc.c b/fs/ext4/mballoc.c index bc5db22df9fe..7cbbcee225dd 100644 --- a/fs/ext4/mballoc.c +++ b/fs/ext4/mballoc.c @@ -5955,6 +5955,9 @@ static int ext4_try_to_trim_range(struct super_block *sb, bool set_trimmed = false; void *bitmap; + if (unlikely(EXT4_MB_GRP_BBITMAP_CORRUPT(e4b->bd_info))) + return 0; + last = ext4_last_grp_cluster(sb, e4b->bd_group); bitmap = e4b->bd_bitmap; if (start == 0 && max >= last) From 00d4f971fa3c75847769d970d5160e9a6c545f10 Mon Sep 17 00:00:00 2001 From: Jan Kara Date: Fri, 20 Oct 2023 13:34:08 +0200 Subject: [PATCH 397/702] quota: Remove BUG_ON from dqget() [ Upstream commit 249f374eb9b6b969c64212dd860cc1439674c4a8 ] dqget() checks whether dquot->dq_sb is set when returning it using BUG_ON. Firstly this doesn't work as an invalidation check for quite some time (we release dquot with dq_sb set these days), secondly using BUG_ON is quite harsh. Use WARN_ON_ONCE and check whether dquot is still hashed instead. Signed-off-by: Jan Kara Signed-off-by: Sasha Levin --- fs/quota/dquot.c | 5 ++--- 1 file changed, 2 insertions(+), 3 deletions(-) diff --git a/fs/quota/dquot.c b/fs/quota/dquot.c index 6a7b7d44753a..9b8babbd1653 100644 --- a/fs/quota/dquot.c +++ b/fs/quota/dquot.c @@ -997,9 +997,8 @@ struct dquot *dqget(struct super_block *sb, struct kqid qid) * smp_mb__before_atomic() in dquot_acquire(). */ smp_rmb(); -#ifdef CONFIG_QUOTA_DEBUG - BUG_ON(!dquot->dq_sb); /* Has somebody invalidated entry under us? */ -#endif + /* Has somebody invalidated entry under us? */ + WARN_ON_ONCE(hlist_unhashed(&dquot->dq_hash)); out: if (empty) do_destroy_dquot(empty); From e7385510e2550a9f8b6f3d5f33c5b894ab9ba976 Mon Sep 17 00:00:00 2001 From: Hans Verkuil Date: Thu, 19 Oct 2023 08:58:49 +0200 Subject: [PATCH 398/702] media: pci: cx23885: check cx23885_vdev_init() return [ Upstream commit 15126b916e39b0cb67026b0af3c014bfeb1f76b3 ] cx23885_vdev_init() can return a NULL pointer, but that pointer is used in the next line without a check. Add a NULL pointer check and go to the error unwind if it is NULL. Signed-off-by: Hans Verkuil Reported-by: Sicong Huang Signed-off-by: Sasha Levin --- drivers/media/pci/cx23885/cx23885-video.c | 8 ++++++++ 1 file changed, 8 insertions(+) diff --git a/drivers/media/pci/cx23885/cx23885-video.c b/drivers/media/pci/cx23885/cx23885-video.c index 86e3bb590371..022a9f8e19a2 100644 --- a/drivers/media/pci/cx23885/cx23885-video.c +++ b/drivers/media/pci/cx23885/cx23885-video.c @@ -1353,6 +1353,10 @@ int cx23885_video_register(struct cx23885_dev *dev) /* register Video device */ dev->video_dev = cx23885_vdev_init(dev, dev->pci, &cx23885_video_template, "video"); + if (!dev->video_dev) { + err = -ENOMEM; + goto fail_unreg; + } dev->video_dev->queue = &dev->vb2_vidq; dev->video_dev->device_caps = V4L2_CAP_READWRITE | V4L2_CAP_STREAMING | V4L2_CAP_AUDIO | V4L2_CAP_VIDEO_CAPTURE; @@ -1381,6 +1385,10 @@ int cx23885_video_register(struct cx23885_dev *dev) /* register VBI device */ dev->vbi_dev = cx23885_vdev_init(dev, dev->pci, &cx23885_vbi_template, "vbi"); + if (!dev->vbi_dev) { + err = -ENOMEM; + goto fail_unreg; + } dev->vbi_dev->queue = &dev->vb2_vbiq; dev->vbi_dev->device_caps = V4L2_CAP_READWRITE | V4L2_CAP_STREAMING | V4L2_CAP_AUDIO | V4L2_CAP_VBI_CAPTURE; From a441ce39adf3708daad9134b3bb67fef07863ef5 Mon Sep 17 00:00:00 2001 From: Max Filippov Date: Thu, 18 Jan 2024 07:06:37 -0800 Subject: [PATCH 399/702] fs: binfmt_elf_efpic: don't use missing interpreter's properties [ Upstream commit 15fd1dc3dadb4268207fa6797e753541aca09a2a ] Static FDPIC executable may get an executable stack even when it has non-executable GNU_STACK segment. This happens when STACK segment has rw permissions, but does not specify stack size. In that case FDPIC loader uses permissions of the interpreter's stack, and for static executables with no interpreter it results in choosing the arch-default permissions for the stack. Fix that by using the interpreter's properties only when the interpreter is actually used. Signed-off-by: Max Filippov Link: https://lore.kernel.org/r/20240118150637.660461-1-jcmvbkbc@gmail.com Signed-off-by: Kees Cook Signed-off-by: Sasha Levin --- fs/binfmt_elf_fdpic.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/fs/binfmt_elf_fdpic.c b/fs/binfmt_elf_fdpic.c index 48bb1290ed2f..88428de9d873 100644 --- a/fs/binfmt_elf_fdpic.c +++ b/fs/binfmt_elf_fdpic.c @@ -320,7 +320,7 @@ static int load_elf_fdpic_binary(struct linux_binprm *bprm) else executable_stack = EXSTACK_DEFAULT; - if (stack_size == 0) { + if (stack_size == 0 && interp_params.flags & ELF_FDPIC_FLAG_PRESENT) { stack_size = interp_params.stack_size; if (interp_params.flags & ELF_FDPIC_FLAG_EXEC_STACK) executable_stack = EXSTACK_ENABLE_X; From 5fb0cbf84b18465b9300e5bf4325e3a9918c251b Mon Sep 17 00:00:00 2001 From: Justin Tee Date: Wed, 31 Jan 2024 10:50:56 -0800 Subject: [PATCH 400/702] scsi: lpfc: Initialize status local variable in lpfc_sli4_repost_sgl_list() [ Upstream commit 3d0f9342ae200aa1ddc4d6e7a573c6f8f068d994 ] A static code analyzer tool indicates that the local variable called status in the lpfc_sli4_repost_sgl_list() routine could be used to print garbage uninitialized values in the routine's log message. Fix by initializing to zero. Signed-off-by: Justin Tee Link: https://lore.kernel.org/r/20240131185112.149731-2-justintee8345@gmail.com Reviewed-by: Himanshu Madhani Signed-off-by: Martin K. Petersen Signed-off-by: Sasha Levin --- drivers/scsi/lpfc/lpfc_sli.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/scsi/lpfc/lpfc_sli.c b/drivers/scsi/lpfc/lpfc_sli.c index 923ceaba0bf3..84f90f4d5abd 100644 --- a/drivers/scsi/lpfc/lpfc_sli.c +++ b/drivers/scsi/lpfc/lpfc_sli.c @@ -7048,7 +7048,7 @@ lpfc_sli4_repost_sgl_list(struct lpfc_hba *phba, struct lpfc_sglq *sglq_entry = NULL; struct lpfc_sglq *sglq_entry_next = NULL; struct lpfc_sglq *sglq_entry_first = NULL; - int status, total_cnt; + int status = 0, total_cnt; int post_cnt = 0, num_posted = 0, block_cnt = 0; int last_xritag = NO_XRI; LIST_HEAD(prep_sgl_list); From aa469c3d2854b1041d24d0238c775735e3814fd4 Mon Sep 17 00:00:00 2001 From: Kees Cook Date: Tue, 6 Feb 2024 08:16:54 -0800 Subject: [PATCH 401/702] net/sun3_82586: Avoid reading past buffer in debug output [ Upstream commit 4bea747f3fbec33c16d369b2f51e55981d7c78d0 ] Since NUM_XMIT_BUFFS is always 1, building m68k with sun3_defconfig and -Warraybounds, this build warning is visible[1]: drivers/net/ethernet/i825xx/sun3_82586.c: In function 'sun3_82586_timeout': drivers/net/ethernet/i825xx/sun3_82586.c:990:122: warning: array subscript 1 is above array bounds of 'volatile struct transmit_cmd_struct *[1]' [-Warray-bounds=] 990 | printk("%s: command-stats: %04x %04x\n",dev->name,swab16(p->xmit_cmds[0]->cmd_status),swab16(p->xmit_cmds[1]->cmd_status)); | ~~~~~~~~~~~~^~~ ... drivers/net/ethernet/i825xx/sun3_82586.c:156:46: note: while referencing 'xmit_cmds' 156 | volatile struct transmit_cmd_struct *xmit_cmds[NUM_XMIT_BUFFS]; Avoid accessing index 1 since it doesn't exist. Link: https://github.com/KSPP/linux/issues/325 [1] Cc: Sam Creasey Signed-off-by: Kees Cook Reviewed-by: Simon Horman Tested-by: Simon Horman # build-tested Reviewed-by: Gustavo A. R. Silva Link: https://lore.kernel.org/r/20240206161651.work.876-kees@kernel.org Signed-off-by: Jakub Kicinski Signed-off-by: Sasha Levin --- drivers/net/ethernet/i825xx/sun3_82586.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/net/ethernet/i825xx/sun3_82586.c b/drivers/net/ethernet/i825xx/sun3_82586.c index 4564ee02c95f..83a6114afbf9 100644 --- a/drivers/net/ethernet/i825xx/sun3_82586.c +++ b/drivers/net/ethernet/i825xx/sun3_82586.c @@ -990,7 +990,7 @@ static void sun3_82586_timeout(struct net_device *dev, unsigned int txqueue) { #ifdef DEBUG printk("%s: xmitter timed out, try to restart! stat: %02x\n",dev->name,p->scb->cus); - printk("%s: command-stats: %04x %04x\n",dev->name,swab16(p->xmit_cmds[0]->cmd_status),swab16(p->xmit_cmds[1]->cmd_status)); + printk("%s: command-stats: %04x\n", dev->name, swab16(p->xmit_cmds[0]->cmd_status)); printk("%s: check, whether you set the right interrupt number!\n",dev->name); #endif sun3_82586_close(dev); From be49c4f2a15eca66bcf45ee263a1e56143183f66 Mon Sep 17 00:00:00 2001 From: Erico Nunes Date: Wed, 24 Jan 2024 03:59:43 +0100 Subject: [PATCH 402/702] drm/lima: set gp bus_stop bit before hard reset [ Upstream commit 27aa58ec85f973d98d336df7b7941149308db80f ] This is required for reliable hard resets. Otherwise, doing a hard reset while a task is still running (such as a task which is being stopped by the drm_sched timeout handler) may result in random mmu write timeouts or lockups which cause the entire gpu to hang. Signed-off-by: Erico Nunes Signed-off-by: Qiang Yu Link: https://patchwork.freedesktop.org/patch/msgid/20240124025947.2110659-5-nunes.erico@gmail.com Signed-off-by: Sasha Levin --- drivers/gpu/drm/lima/lima_gp.c | 12 ++++++++++++ 1 file changed, 12 insertions(+) diff --git a/drivers/gpu/drm/lima/lima_gp.c b/drivers/gpu/drm/lima/lima_gp.c index ca3842f71984..82071835ec9e 100644 --- a/drivers/gpu/drm/lima/lima_gp.c +++ b/drivers/gpu/drm/lima/lima_gp.c @@ -166,6 +166,11 @@ static void lima_gp_task_run(struct lima_sched_pipe *pipe, gp_write(LIMA_GP_CMD, cmd); } +static int lima_gp_bus_stop_poll(struct lima_ip *ip) +{ + return !!(gp_read(LIMA_GP_STATUS) & LIMA_GP_STATUS_BUS_STOPPED); +} + static int lima_gp_hard_reset_poll(struct lima_ip *ip) { gp_write(LIMA_GP_PERF_CNT_0_LIMIT, 0xC01A0000); @@ -179,6 +184,13 @@ static int lima_gp_hard_reset(struct lima_ip *ip) gp_write(LIMA_GP_PERF_CNT_0_LIMIT, 0xC0FFE000); gp_write(LIMA_GP_INT_MASK, 0); + + gp_write(LIMA_GP_CMD, LIMA_GP_CMD_STOP_BUS); + ret = lima_poll_timeout(ip, lima_gp_bus_stop_poll, 10, 100); + if (ret) { + dev_err(dev->dev, "%s bus stop timeout\n", lima_ip_name(ip)); + return ret; + } gp_write(LIMA_GP_CMD, LIMA_GP_CMD_RESET); ret = lima_poll_timeout(ip, lima_gp_hard_reset_poll, 10, 100); if (ret) { From 316bf51edd3ef0754e3350ef4ea006d1bbf57d7e Mon Sep 17 00:00:00 2001 From: Stefan Hajnoczi Date: Mon, 12 Feb 2024 19:11:47 -0500 Subject: [PATCH 403/702] virtiofs: forbid newlines in tags [ Upstream commit 40488cc16f7ea0d193a4e248f0d809c25cc377db ] Newlines in virtiofs tags are awkward for users and potential vectors for string injection attacks. Signed-off-by: Stefan Hajnoczi Reviewed-by: Vivek Goyal Signed-off-by: Miklos Szeredi Signed-off-by: Sasha Levin --- fs/fuse/virtio_fs.c | 10 ++++++++++ 1 file changed, 10 insertions(+) diff --git a/fs/fuse/virtio_fs.c b/fs/fuse/virtio_fs.c index 7d4655022afc..c50999ad9f7a 100644 --- a/fs/fuse/virtio_fs.c +++ b/fs/fuse/virtio_fs.c @@ -315,6 +315,16 @@ static int virtio_fs_read_tag(struct virtio_device *vdev, struct virtio_fs *fs) return -ENOMEM; memcpy(fs->tag, tag_buf, len); fs->tag[len] = '\0'; + + /* While the VIRTIO specification allows any character, newlines are + * awkward on mount(8) command-lines and cause problems in the sysfs + * "tag" attr and uevent TAG= properties. Forbid them. + */ + if (strchr(fs->tag, '\n')) { + dev_dbg(&vdev->dev, "refusing virtiofs tag with newline character\n"); + return -EINVAL; + } + return 0; } From 95e49b925812cbc6a72254f61cf7090e93d3ecd8 Mon Sep 17 00:00:00 2001 From: Eric Dumazet Date: Thu, 22 Feb 2024 10:50:13 +0000 Subject: [PATCH 404/702] netlink: hold nlk->cb_mutex longer in __netlink_dump_start() [ Upstream commit b5590270068c4324dac4a2b5a4a156e02e21339f ] __netlink_dump_start() releases nlk->cb_mutex right before calling netlink_dump() which grabs it again. This seems dangerous, even if KASAN did not bother yet. Add a @lock_taken parameter to netlink_dump() to let it grab the mutex if called from netlink_recvmsg() only. Signed-off-by: Eric Dumazet Reviewed-by: Jiri Pirko Signed-off-by: David S. Miller Signed-off-by: Sasha Levin --- net/netlink/af_netlink.c | 13 ++++++------- 1 file changed, 6 insertions(+), 7 deletions(-) diff --git a/net/netlink/af_netlink.c b/net/netlink/af_netlink.c index ac3678d2d6d5..4f2a3d46554f 100644 --- a/net/netlink/af_netlink.c +++ b/net/netlink/af_netlink.c @@ -126,7 +126,7 @@ static const char *const nlk_cb_mutex_key_strings[MAX_LINKS + 1] = { "nlk_cb_mutex-MAX_LINKS" }; -static int netlink_dump(struct sock *sk); +static int netlink_dump(struct sock *sk, bool lock_taken); /* nl_table locking explained: * Lookup and traversal are protected with an RCU read-side lock. Insertion @@ -1996,7 +1996,7 @@ static int netlink_recvmsg(struct socket *sock, struct msghdr *msg, size_t len, if (READ_ONCE(nlk->cb_running) && atomic_read(&sk->sk_rmem_alloc) <= sk->sk_rcvbuf / 2) { - ret = netlink_dump(sk); + ret = netlink_dump(sk, false); if (ret) { sk->sk_err = -ret; sk->sk_error_report(sk); @@ -2206,7 +2206,7 @@ static int netlink_dump_done(struct netlink_sock *nlk, struct sk_buff *skb, return 0; } -static int netlink_dump(struct sock *sk) +static int netlink_dump(struct sock *sk, bool lock_taken) { struct netlink_sock *nlk = nlk_sk(sk); struct netlink_ext_ack extack = {}; @@ -2218,7 +2218,8 @@ static int netlink_dump(struct sock *sk) int alloc_min_size; int alloc_size; - mutex_lock(nlk->cb_mutex); + if (!lock_taken) + mutex_lock(nlk->cb_mutex); if (!nlk->cb_running) { err = -EINVAL; goto errout_skb; @@ -2374,9 +2375,7 @@ int __netlink_dump_start(struct sock *ssk, struct sk_buff *skb, WRITE_ONCE(nlk->cb_running, true); nlk->dump_done_errno = INT_MAX; - mutex_unlock(nlk->cb_mutex); - - ret = netlink_dump(sk); + ret = netlink_dump(sk, true); sock_put(sk); From 76ec27b709834abec470219858bfd964e96a0210 Mon Sep 17 00:00:00 2001 From: Li Nan Date: Mon, 26 Feb 2024 11:14:38 +0800 Subject: [PATCH 405/702] md: clean up invalid BUG_ON in md_ioctl [ Upstream commit 9dd8702e7cd28ebf076ff838933f29cf671165ec ] 'disk->private_data' is set to mddev in md_alloc() and never set to NULL, and users need to open mddev before submitting ioctl. So mddev must not have been freed during ioctl, and there is no need to check mddev here. Clean up it. Signed-off-by: Li Nan Reviewed-by: Yu Kuai Signed-off-by: Song Liu Link: https://lore.kernel.org/r/20240226031444.3606764-4-linan666@huaweicloud.com Signed-off-by: Sasha Levin --- drivers/md/md.c | 5 ----- 1 file changed, 5 deletions(-) diff --git a/drivers/md/md.c b/drivers/md/md.c index f1f029243e0c..accf9ac9bb8c 100644 --- a/drivers/md/md.c +++ b/drivers/md/md.c @@ -7601,11 +7601,6 @@ static int md_ioctl(struct block_device *bdev, fmode_t mode, mddev = bdev->bd_disk->private_data; - if (!mddev) { - BUG(); - goto out; - } - /* Some actions do not requires the mutex */ switch (cmd) { case GET_ARRAY_INFO: From 25d31baf922c1ee987efd6fcc9c7d4ab539c66b4 Mon Sep 17 00:00:00 2001 From: Kees Cook Date: Fri, 16 Feb 2024 22:25:43 -0800 Subject: [PATCH 406/702] x86: Increase brk randomness entropy for 64-bit systems [ Upstream commit 44c76825d6eefee9eb7ce06c38e1a6632ac7eb7d ] In commit c1d171a00294 ("x86: randomize brk"), arch_randomize_brk() was defined to use a 32MB range (13 bits of entropy), but was never increased when moving to 64-bit. The default arch_randomize_brk() uses 32MB for 32-bit tasks, and 1GB (18 bits of entropy) for 64-bit tasks. Update x86_64 to match the entropy used by arm64 and other 64-bit architectures. Reported-by: y0un9n132@gmail.com Signed-off-by: Kees Cook Signed-off-by: Thomas Gleixner Acked-by: Jiri Kosina Closes: https://lore.kernel.org/linux-hardening/CA+2EKTVLvc8hDZc+2Yhwmus=dzOUG5E4gV7ayCbu0MPJTZzWkw@mail.gmail.com/ Link: https://lore.kernel.org/r/20240217062545.1631668-1-keescook@chromium.org Signed-off-by: Sasha Levin --- arch/x86/kernel/process.c | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-) diff --git a/arch/x86/kernel/process.c b/arch/x86/kernel/process.c index 1cba09a9f1c1..4f731981d326 100644 --- a/arch/x86/kernel/process.c +++ b/arch/x86/kernel/process.c @@ -926,7 +926,10 @@ unsigned long arch_align_stack(unsigned long sp) unsigned long arch_randomize_brk(struct mm_struct *mm) { - return randomize_page(mm->brk, 0x02000000); + if (mmap_is_ia32()) + return randomize_page(mm->brk, SZ_32M); + + return randomize_page(mm->brk, SZ_1G); } /* From 4e5464005bd33989b1f76fab74460aa0c7c84a5e Mon Sep 17 00:00:00 2001 From: Christophe Kerello Date: Mon, 26 Feb 2024 11:14:25 +0100 Subject: [PATCH 407/702] memory: stm32-fmc2-ebi: check regmap_read return value [ Upstream commit 722463f73bcf65a8c818752a38c14ee672c77da1 ] Check regmap_read return value to avoid to use uninitialized local variables. Signed-off-by: Christophe Kerello Link: https://lore.kernel.org/r/20240226101428.37791-3-christophe.kerello@foss.st.com Signed-off-by: Krzysztof Kozlowski Signed-off-by: Sasha Levin --- drivers/memory/stm32-fmc2-ebi.c | 122 +++++++++++++++++++++++--------- 1 file changed, 88 insertions(+), 34 deletions(-) diff --git a/drivers/memory/stm32-fmc2-ebi.c b/drivers/memory/stm32-fmc2-ebi.c index ffec26a99313..5c387d32c078 100644 --- a/drivers/memory/stm32-fmc2-ebi.c +++ b/drivers/memory/stm32-fmc2-ebi.c @@ -179,8 +179,11 @@ static int stm32_fmc2_ebi_check_mux(struct stm32_fmc2_ebi *ebi, int cs) { u32 bcr; + int ret; - regmap_read(ebi->regmap, FMC2_BCR(cs), &bcr); + ret = regmap_read(ebi->regmap, FMC2_BCR(cs), &bcr); + if (ret) + return ret; if (bcr & FMC2_BCR_MTYP) return 0; @@ -193,8 +196,11 @@ static int stm32_fmc2_ebi_check_waitcfg(struct stm32_fmc2_ebi *ebi, int cs) { u32 bcr, val = FIELD_PREP(FMC2_BCR_MTYP, FMC2_BCR_MTYP_NOR); + int ret; - regmap_read(ebi->regmap, FMC2_BCR(cs), &bcr); + ret = regmap_read(ebi->regmap, FMC2_BCR(cs), &bcr); + if (ret) + return ret; if ((bcr & FMC2_BCR_MTYP) == val && bcr & FMC2_BCR_BURSTEN) return 0; @@ -207,8 +213,11 @@ static int stm32_fmc2_ebi_check_sync_trans(struct stm32_fmc2_ebi *ebi, int cs) { u32 bcr; + int ret; - regmap_read(ebi->regmap, FMC2_BCR(cs), &bcr); + ret = regmap_read(ebi->regmap, FMC2_BCR(cs), &bcr); + if (ret) + return ret; if (bcr & FMC2_BCR_BURSTEN) return 0; @@ -221,8 +230,11 @@ static int stm32_fmc2_ebi_check_async_trans(struct stm32_fmc2_ebi *ebi, int cs) { u32 bcr; + int ret; - regmap_read(ebi->regmap, FMC2_BCR(cs), &bcr); + ret = regmap_read(ebi->regmap, FMC2_BCR(cs), &bcr); + if (ret) + return ret; if (!(bcr & FMC2_BCR_BURSTEN) || !(bcr & FMC2_BCR_CBURSTRW)) return 0; @@ -235,8 +247,11 @@ static int stm32_fmc2_ebi_check_cpsize(struct stm32_fmc2_ebi *ebi, int cs) { u32 bcr, val = FIELD_PREP(FMC2_BCR_MTYP, FMC2_BCR_MTYP_PSRAM); + int ret; - regmap_read(ebi->regmap, FMC2_BCR(cs), &bcr); + ret = regmap_read(ebi->regmap, FMC2_BCR(cs), &bcr); + if (ret) + return ret; if ((bcr & FMC2_BCR_MTYP) == val && bcr & FMC2_BCR_BURSTEN) return 0; @@ -249,12 +264,18 @@ static int stm32_fmc2_ebi_check_address_hold(struct stm32_fmc2_ebi *ebi, int cs) { u32 bcr, bxtr, val = FIELD_PREP(FMC2_BXTR_ACCMOD, FMC2_BXTR_EXTMOD_D); + int ret; + + ret = regmap_read(ebi->regmap, FMC2_BCR(cs), &bcr); + if (ret) + return ret; - regmap_read(ebi->regmap, FMC2_BCR(cs), &bcr); if (prop->reg_type == FMC2_REG_BWTR) - regmap_read(ebi->regmap, FMC2_BWTR(cs), &bxtr); + ret = regmap_read(ebi->regmap, FMC2_BWTR(cs), &bxtr); else - regmap_read(ebi->regmap, FMC2_BTR(cs), &bxtr); + ret = regmap_read(ebi->regmap, FMC2_BTR(cs), &bxtr); + if (ret) + return ret; if ((!(bcr & FMC2_BCR_BURSTEN) || !(bcr & FMC2_BCR_CBURSTRW)) && ((bxtr & FMC2_BXTR_ACCMOD) == val || bcr & FMC2_BCR_MUXEN)) @@ -268,12 +289,19 @@ static int stm32_fmc2_ebi_check_clk_period(struct stm32_fmc2_ebi *ebi, int cs) { u32 bcr, bcr1; + int ret; - regmap_read(ebi->regmap, FMC2_BCR(cs), &bcr); - if (cs) - regmap_read(ebi->regmap, FMC2_BCR1, &bcr1); - else + ret = regmap_read(ebi->regmap, FMC2_BCR(cs), &bcr); + if (ret) + return ret; + + if (cs) { + ret = regmap_read(ebi->regmap, FMC2_BCR1, &bcr1); + if (ret) + return ret; + } else { bcr1 = bcr; + } if (bcr & FMC2_BCR_BURSTEN && (!cs || !(bcr1 & FMC2_BCR1_CCLKEN))) return 0; @@ -305,12 +333,18 @@ static u32 stm32_fmc2_ebi_ns_to_clk_period(struct stm32_fmc2_ebi *ebi, { u32 nb_clk_cycles = stm32_fmc2_ebi_ns_to_clock_cycles(ebi, cs, setup); u32 bcr, btr, clk_period; + int ret; + + ret = regmap_read(ebi->regmap, FMC2_BCR1, &bcr); + if (ret) + return ret; - regmap_read(ebi->regmap, FMC2_BCR1, &bcr); if (bcr & FMC2_BCR1_CCLKEN || !cs) - regmap_read(ebi->regmap, FMC2_BTR1, &btr); + ret = regmap_read(ebi->regmap, FMC2_BTR1, &btr); else - regmap_read(ebi->regmap, FMC2_BTR(cs), &btr); + ret = regmap_read(ebi->regmap, FMC2_BTR(cs), &btr); + if (ret) + return ret; clk_period = FIELD_GET(FMC2_BTR_CLKDIV, btr) + 1; @@ -569,11 +603,16 @@ static int stm32_fmc2_ebi_set_address_setup(struct stm32_fmc2_ebi *ebi, if (ret) return ret; - regmap_read(ebi->regmap, FMC2_BCR(cs), &bcr); + ret = regmap_read(ebi->regmap, FMC2_BCR(cs), &bcr); + if (ret) + return ret; + if (prop->reg_type == FMC2_REG_BWTR) - regmap_read(ebi->regmap, FMC2_BWTR(cs), &bxtr); + ret = regmap_read(ebi->regmap, FMC2_BWTR(cs), &bxtr); else - regmap_read(ebi->regmap, FMC2_BTR(cs), &bxtr); + ret = regmap_read(ebi->regmap, FMC2_BTR(cs), &bxtr); + if (ret) + return ret; if ((bxtr & FMC2_BXTR_ACCMOD) == val || bcr & FMC2_BCR_MUXEN) val = clamp_val(setup, 1, FMC2_BXTR_ADDSET_MAX); @@ -691,11 +730,14 @@ static int stm32_fmc2_ebi_set_max_low_pulse(struct stm32_fmc2_ebi *ebi, int cs, u32 setup) { u32 old_val, new_val, pcscntr; + int ret; if (setup < 1) return 0; - regmap_read(ebi->regmap, FMC2_PCSCNTR, &pcscntr); + ret = regmap_read(ebi->regmap, FMC2_PCSCNTR, &pcscntr); + if (ret) + return ret; /* Enable counter for the bank */ regmap_update_bits(ebi->regmap, FMC2_PCSCNTR, @@ -942,17 +984,20 @@ static void stm32_fmc2_ebi_disable_bank(struct stm32_fmc2_ebi *ebi, int cs) regmap_update_bits(ebi->regmap, FMC2_BCR(cs), FMC2_BCR_MBKEN, 0); } -static void stm32_fmc2_ebi_save_setup(struct stm32_fmc2_ebi *ebi) +static int stm32_fmc2_ebi_save_setup(struct stm32_fmc2_ebi *ebi) { unsigned int cs; + int ret; for (cs = 0; cs < FMC2_MAX_EBI_CE; cs++) { - regmap_read(ebi->regmap, FMC2_BCR(cs), &ebi->bcr[cs]); - regmap_read(ebi->regmap, FMC2_BTR(cs), &ebi->btr[cs]); - regmap_read(ebi->regmap, FMC2_BWTR(cs), &ebi->bwtr[cs]); + ret = regmap_read(ebi->regmap, FMC2_BCR(cs), &ebi->bcr[cs]); + ret |= regmap_read(ebi->regmap, FMC2_BTR(cs), &ebi->btr[cs]); + ret |= regmap_read(ebi->regmap, FMC2_BWTR(cs), &ebi->bwtr[cs]); + if (ret) + return ret; } - regmap_read(ebi->regmap, FMC2_PCSCNTR, &ebi->pcscntr); + return regmap_read(ebi->regmap, FMC2_PCSCNTR, &ebi->pcscntr); } static void stm32_fmc2_ebi_set_setup(struct stm32_fmc2_ebi *ebi) @@ -981,22 +1026,29 @@ static void stm32_fmc2_ebi_disable_banks(struct stm32_fmc2_ebi *ebi) } /* NWAIT signal can not be connected to EBI controller and NAND controller */ -static bool stm32_fmc2_ebi_nwait_used_by_ctrls(struct stm32_fmc2_ebi *ebi) +static int stm32_fmc2_ebi_nwait_used_by_ctrls(struct stm32_fmc2_ebi *ebi) { + struct device *dev = ebi->dev; unsigned int cs; u32 bcr; + int ret; for (cs = 0; cs < FMC2_MAX_EBI_CE; cs++) { if (!(ebi->bank_assigned & BIT(cs))) continue; - regmap_read(ebi->regmap, FMC2_BCR(cs), &bcr); + ret = regmap_read(ebi->regmap, FMC2_BCR(cs), &bcr); + if (ret) + return ret; + if ((bcr & FMC2_BCR_WAITEN || bcr & FMC2_BCR_ASYNCWAIT) && - ebi->bank_assigned & BIT(FMC2_NAND)) - return true; + ebi->bank_assigned & BIT(FMC2_NAND)) { + dev_err(dev, "NWAIT signal connected to EBI and NAND controllers\n"); + return -EINVAL; + } } - return false; + return 0; } static void stm32_fmc2_ebi_enable(struct stm32_fmc2_ebi *ebi) @@ -1083,10 +1135,9 @@ static int stm32_fmc2_ebi_parse_dt(struct stm32_fmc2_ebi *ebi) return -ENODEV; } - if (stm32_fmc2_ebi_nwait_used_by_ctrls(ebi)) { - dev_err(dev, "NWAIT signal connected to EBI and NAND controllers\n"); - return -EINVAL; - } + ret = stm32_fmc2_ebi_nwait_used_by_ctrls(ebi); + if (ret) + return ret; stm32_fmc2_ebi_enable(ebi); @@ -1131,7 +1182,10 @@ static int stm32_fmc2_ebi_probe(struct platform_device *pdev) if (ret) goto err_release; - stm32_fmc2_ebi_save_setup(ebi); + ret = stm32_fmc2_ebi_save_setup(ebi); + if (ret) + goto err_release; + platform_set_drvdata(pdev, ebi); return 0; From 05c21f285d9f074e4ff733ef3f87ca6f17bba8af Mon Sep 17 00:00:00 2001 From: Helge Deller Date: Tue, 28 Nov 2023 23:16:00 +0100 Subject: [PATCH 408/702] parisc: Use irq_enter_rcu() to fix warning at kernel/context_tracking.c:367 [ Upstream commit 73cb4a2d8d7e0259f94046116727084f21e4599f ] Use irq*_rcu() functions to fix this kernel warning: WARNING: CPU: 0 PID: 0 at kernel/context_tracking.c:367 ct_irq_enter+0xa0/0xd0 Modules linked in: CPU: 0 PID: 0 Comm: swapper/0 Not tainted 6.7.0-rc3-64bit+ #1037 Hardware name: 9000/785/C3700 IASQ: 0000000000000000 0000000000000000 IAOQ: 00000000412cd758 00000000412cd75c IIR: 03ffe01f ISR: 0000000000000000 IOR: 0000000043c20c20 CPU: 0 CR30: 0000000041caa000 CR31: 0000000000000000 ORIG_R28: 0000000000000005 IAOQ[0]: ct_irq_enter+0xa0/0xd0 IAOQ[1]: ct_irq_enter+0xa4/0xd0 RP(r2): irq_enter+0x34/0x68 Backtrace: [<000000004034a3ec>] irq_enter+0x34/0x68 [<000000004030dc48>] do_cpu_irq_mask+0xc0/0x450 [<0000000040303070>] intr_return+0x0/0xc Signed-off-by: Helge Deller Signed-off-by: Sasha Levin --- arch/parisc/kernel/irq.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/arch/parisc/kernel/irq.c b/arch/parisc/kernel/irq.c index 2762e8540672..5e3b9be45de9 100644 --- a/arch/parisc/kernel/irq.c +++ b/arch/parisc/kernel/irq.c @@ -520,7 +520,7 @@ void do_cpu_irq_mask(struct pt_regs *regs) old_regs = set_irq_regs(regs); local_irq_disable(); - irq_enter(); + irq_enter_rcu(); eirr_val = mfctl(23) & cpu_eiem & per_cpu(local_ack_eiem, cpu); if (!eirr_val) @@ -555,7 +555,7 @@ void do_cpu_irq_mask(struct pt_regs *regs) #endif /* CONFIG_IRQSTACKS */ out: - irq_exit(); + irq_exit_rcu(); set_irq_regs(old_regs); return; From 486fb5ebd5d6b09cc186d8599b51b0d907366be9 Mon Sep 17 00:00:00 2001 From: Li zeming Date: Mon, 19 Dec 2022 10:18:16 +0800 Subject: [PATCH 409/702] powerpc/boot: Handle allocation failure in simple_realloc() [ Upstream commit 69b0194ccec033c208b071e019032c1919c2822d ] simple_malloc() will return NULL when there is not enough memory left. Check pointer 'new' before using it to copy the old data. Signed-off-by: Li zeming [mpe: Reword subject, use change log from Christophe] Signed-off-by: Michael Ellerman Link: https://msgid.link/20221219021816.3012-1-zeming@nfschina.com Signed-off-by: Sasha Levin --- arch/powerpc/boot/simple_alloc.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/arch/powerpc/boot/simple_alloc.c b/arch/powerpc/boot/simple_alloc.c index 65ec135d0157..188c4f996512 100644 --- a/arch/powerpc/boot/simple_alloc.c +++ b/arch/powerpc/boot/simple_alloc.c @@ -114,7 +114,9 @@ static void *simple_realloc(void *ptr, unsigned long size) return ptr; new = simple_malloc(size); - memcpy(new, ptr, p->size); + if (new) + memcpy(new, ptr, p->size); + simple_free(ptr); return new; } From e21448a49b8b01c7b3fd2743b24d6eab5ad8108f Mon Sep 17 00:00:00 2001 From: Michael Ellerman Date: Thu, 29 Feb 2024 22:51:49 +1100 Subject: [PATCH 410/702] powerpc/boot: Only free if realloc() succeeds [ Upstream commit f2d5bccaca3e8c09c9b9c8485375f7bdbb2631d2 ] simple_realloc() frees the original buffer (ptr) even if the reallocation failed. Fix it to behave like standard realloc() and only free the original buffer if the reallocation succeeded. Signed-off-by: Michael Ellerman Link: https://msgid.link/20240229115149.749264-1-mpe@ellerman.id.au Signed-off-by: Sasha Levin --- arch/powerpc/boot/simple_alloc.c | 5 +++-- 1 file changed, 3 insertions(+), 2 deletions(-) diff --git a/arch/powerpc/boot/simple_alloc.c b/arch/powerpc/boot/simple_alloc.c index 188c4f996512..bc99f75b8582 100644 --- a/arch/powerpc/boot/simple_alloc.c +++ b/arch/powerpc/boot/simple_alloc.c @@ -114,10 +114,11 @@ static void *simple_realloc(void *ptr, unsigned long size) return ptr; new = simple_malloc(size); - if (new) + if (new) { memcpy(new, ptr, p->size); + simple_free(ptr); + } - simple_free(ptr); return new; } From 3dd13074e75e91ea3ae688de0959d9956675c17f Mon Sep 17 00:00:00 2001 From: David Sterba Date: Sat, 20 Jan 2024 02:26:32 +0100 Subject: [PATCH 411/702] btrfs: change BUG_ON to assertion when checking for delayed_node root [ Upstream commit be73f4448b607e6b7ce41cd8ef2214fdf6e7986f ] The pointer to root is initialized in btrfs_init_delayed_node(), no need to check for it again. Change the BUG_ON to assertion. Reviewed-by: Josef Bacik Reviewed-by: Anand Jain Signed-off-by: David Sterba Signed-off-by: Sasha Levin --- fs/btrfs/delayed-inode.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/fs/btrfs/delayed-inode.c b/fs/btrfs/delayed-inode.c index cdfc791b3c40..e2afaa70ae5e 100644 --- a/fs/btrfs/delayed-inode.c +++ b/fs/btrfs/delayed-inode.c @@ -986,7 +986,7 @@ static void btrfs_release_delayed_inode(struct btrfs_delayed_node *delayed_node) if (delayed_node && test_bit(BTRFS_DELAYED_NODE_INODE_DIRTY, &delayed_node->flags)) { - BUG_ON(!delayed_node->root); + ASSERT(delayed_node->root); clear_bit(BTRFS_DELAYED_NODE_INODE_DIRTY, &delayed_node->flags); delayed_node->count--; From 94a7dff229b930e3323bea272f1973f9f7a42ea8 Mon Sep 17 00:00:00 2001 From: David Sterba Date: Wed, 24 Jan 2024 22:58:01 +0100 Subject: [PATCH 412/702] btrfs: handle invalid root reference found in may_destroy_subvol() [ Upstream commit 6fbc6f4ac1f4907da4fc674251527e7dc79ffbf6 ] The may_destroy_subvol() looks up a root by a key, allowing to do an inexact search when key->offset is -1. It's never expected to find such item, as it would break the allowed range of a root id. Signed-off-by: David Sterba Signed-off-by: Sasha Levin --- fs/btrfs/inode.c | 9 ++++++++- 1 file changed, 8 insertions(+), 1 deletion(-) diff --git a/fs/btrfs/inode.c b/fs/btrfs/inode.c index 1f99d7dced17..4bf28f74605f 100644 --- a/fs/btrfs/inode.c +++ b/fs/btrfs/inode.c @@ -3918,7 +3918,14 @@ static noinline int may_destroy_subvol(struct btrfs_root *root) ret = btrfs_search_slot(NULL, fs_info->tree_root, &key, path, 0, 0); if (ret < 0) goto out; - BUG_ON(ret == 0); + if (ret == 0) { + /* + * Key with offset -1 found, there would have to exist a root + * with such id, but this is out of valid range. + */ + ret = -EUCLEAN; + goto out; + } ret = 0; if (path->slots[0] > 0) { From 0c1d7b960fd7403539033ea1b93ee604d414c99f Mon Sep 17 00:00:00 2001 From: David Sterba Date: Tue, 6 Feb 2024 22:47:13 +0100 Subject: [PATCH 413/702] btrfs: send: handle unexpected data in header buffer in begin_cmd() [ Upstream commit e80e3f732cf53c64b0d811e1581470d67f6c3228 ] Change BUG_ON to a proper error handling in the unlikely case of seeing data when the command is started. This is supposed to be reset when the command is finished (send_cmd, send_encoded_extent). Signed-off-by: David Sterba Signed-off-by: Sasha Levin --- fs/btrfs/send.c | 7 ++++++- 1 file changed, 6 insertions(+), 1 deletion(-) diff --git a/fs/btrfs/send.c b/fs/btrfs/send.c index a5ed01d49f06..a9e72f42e91e 100644 --- a/fs/btrfs/send.c +++ b/fs/btrfs/send.c @@ -685,7 +685,12 @@ static int begin_cmd(struct send_ctx *sctx, int cmd) if (WARN_ON(!sctx->send_buf)) return -EINVAL; - BUG_ON(sctx->send_size); + if (unlikely(sctx->send_size != 0)) { + btrfs_err(sctx->send_root->fs_info, + "send: command header buffer not empty cmd %d offset %llu", + cmd, sctx->send_off); + return -EINVAL; + } sctx->send_size += sizeof(*hdr); hdr = (struct btrfs_cmd_header *)sctx->send_buf; From 8ec052c544f4a404a18e0317cde4a04e768ef0c5 Mon Sep 17 00:00:00 2001 From: David Sterba Date: Tue, 6 Feb 2024 23:20:53 +0100 Subject: [PATCH 414/702] btrfs: delete pointless BUG_ON check on quota root in btrfs_qgroup_account_extent() [ Upstream commit f40a3ea94881f668084f68f6b9931486b1606db0 ] The BUG_ON is deep in the qgroup code where we can expect that it exists. A NULL pointer would cause a crash. It was added long ago in 550d7a2ed5db35 ("btrfs: qgroup: Add new qgroup calculation function btrfs_qgroup_account_extents()."). It maybe made sense back then as the quota enable/disable state machine was not that robust as it is nowadays, so we can just delete it. Signed-off-by: David Sterba Signed-off-by: Sasha Levin --- fs/btrfs/qgroup.c | 2 -- 1 file changed, 2 deletions(-) diff --git a/fs/btrfs/qgroup.c b/fs/btrfs/qgroup.c index 83d17f22335b..7518ab3b409c 100644 --- a/fs/btrfs/qgroup.c +++ b/fs/btrfs/qgroup.c @@ -2658,8 +2658,6 @@ int btrfs_qgroup_account_extent(struct btrfs_trans_handle *trans, u64 bytenr, if (nr_old_roots == 0 && nr_new_roots == 0) goto out_free; - BUG_ON(!fs_info->quota_root); - trace_btrfs_qgroup_account_extent(fs_info, trans->transid, bytenr, num_bytes, nr_old_roots, nr_new_roots); From bf0c603ab4ed6ded916d563747817f60425fba4c Mon Sep 17 00:00:00 2001 From: Zhiguo Niu Date: Wed, 28 Feb 2024 19:59:54 +0800 Subject: [PATCH 415/702] f2fs: fix to do sanity check in update_sit_entry [ Upstream commit 36959d18c3cf09b3c12157c6950e18652067de77 ] If GET_SEGNO return NULL_SEGNO for some unecpected case, update_sit_entry will access invalid memory address, cause system crash. It is better to do sanity check about GET_SEGNO just like update_segment_mtime & locate_dirty_segment. Also remove some redundant judgment code. Signed-off-by: Zhiguo Niu Reviewed-by: Chao Yu Signed-off-by: Jaegeuk Kim Signed-off-by: Sasha Levin --- fs/f2fs/segment.c | 5 +++-- 1 file changed, 3 insertions(+), 2 deletions(-) diff --git a/fs/f2fs/segment.c b/fs/f2fs/segment.c index 134a78179e6f..6fcc83637b15 100644 --- a/fs/f2fs/segment.c +++ b/fs/f2fs/segment.c @@ -2215,6 +2215,8 @@ static void update_sit_entry(struct f2fs_sb_info *sbi, block_t blkaddr, int del) #endif segno = GET_SEGNO(sbi, blkaddr); + if (segno == NULL_SEGNO) + return; se = get_seg_entry(sbi, segno); new_vblocks = se->valid_blocks + del; @@ -3391,8 +3393,7 @@ void f2fs_allocate_data_block(struct f2fs_sb_info *sbi, struct page *page, * since SSR needs latest valid block information. */ update_sit_entry(sbi, *new_blkaddr, 1); - if (GET_SEGNO(sbi, old_blkaddr) != NULL_SEGNO) - update_sit_entry(sbi, old_blkaddr, -1); + update_sit_entry(sbi, old_blkaddr, -1); if (!__has_curseg_space(sbi, curseg)) { if (from_gc) From bf2f79970b6f45e70e490c0a763dd44b3851a5bc Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Uwe=20Kleine-K=C3=B6nig?= Date: Fri, 23 Feb 2024 18:33:16 +0100 Subject: [PATCH 416/702] usb: gadget: fsl: Increase size of name buffer for endpoints MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit [ Upstream commit 87850f6cc20911e35eafcbc1d56b0d649ae9162d ] This fixes a W=1 warning about sprintf writing up to 16 bytes into a buffer of size 14. There is no practical relevance because there are not more than 32 endpoints. Signed-off-by: Uwe Kleine-König Link: https://lore.kernel.org/r/6754df25c56aae04f8110594fad2cd2452b1862a.1708709120.git.u.kleine-koenig@pengutronix.de Signed-off-by: Greg Kroah-Hartman Signed-off-by: Sasha Levin --- drivers/usb/gadget/udc/fsl_udc_core.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/usb/gadget/udc/fsl_udc_core.c b/drivers/usb/gadget/udc/fsl_udc_core.c index ad6ff9c4188e..3986e0639f05 100644 --- a/drivers/usb/gadget/udc/fsl_udc_core.c +++ b/drivers/usb/gadget/udc/fsl_udc_core.c @@ -2501,7 +2501,7 @@ static int fsl_udc_probe(struct platform_device *pdev) /* setup the udc->eps[] for non-control endpoints and link * to gadget.ep_list */ for (i = 1; i < (int)(udc_controller->max_ep / 2); i++) { - char name[14]; + char name[16]; sprintf(name, "ep%dout", i); struct_ep_setup(udc_controller, i * 2, name, 1); From c7c43a784fdfcc40bd36a7f39e4ee5eb70dfa42a Mon Sep 17 00:00:00 2001 From: Luiz Augusto von Dentz Date: Wed, 28 Feb 2024 12:11:08 -0500 Subject: [PATCH 417/702] Bluetooth: bnep: Fix out-of-bound access [ Upstream commit 0f0639b4d6f649338ce29c62da3ec0787fa08cd1 ] This fixes attempting to access past ethhdr.h_source, although it seems intentional to copy also the contents of h_proto this triggers out-of-bound access problems with the likes of static analyzer, so this instead just copy ETH_ALEN and then proceed to use put_unaligned to copy h_proto separetely. Signed-off-by: Luiz Augusto von Dentz Signed-off-by: Sasha Levin --- net/bluetooth/bnep/core.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/net/bluetooth/bnep/core.c b/net/bluetooth/bnep/core.c index 09b6d825124e..f74990427296 100644 --- a/net/bluetooth/bnep/core.c +++ b/net/bluetooth/bnep/core.c @@ -385,7 +385,8 @@ static int bnep_rx_frame(struct bnep_session *s, struct sk_buff *skb) case BNEP_COMPRESSED_DST_ONLY: __skb_put_data(nskb, skb_mac_header(skb), ETH_ALEN); - __skb_put_data(nskb, s->eh.h_source, ETH_ALEN + 2); + __skb_put_data(nskb, s->eh.h_source, ETH_ALEN); + put_unaligned(s->eh.h_proto, (__be16 *)__skb_put(nskb, 2)); break; case BNEP_GENERAL: From 5ee7495ac2781c27e6a13e396019a4badddca03a Mon Sep 17 00:00:00 2001 From: Jian Shen Date: Thu, 7 Mar 2024 09:01:15 +0800 Subject: [PATCH 418/702] net: hns3: add checking for vf id of mailbox [ Upstream commit 4e2969a0d6a7549bc0bc1ebc990588b622c4443d ] Add checking for vf id of mailbox, in order to avoid array out-of-bounds risk. Signed-off-by: Jian Shen Signed-off-by: Jijie Shao Reviewed-by: Sunil Goutham Signed-off-by: David S. Miller Signed-off-by: Sasha Levin --- drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_mbx.c | 7 ++++--- 1 file changed, 4 insertions(+), 3 deletions(-) diff --git a/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_mbx.c b/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_mbx.c index 51b7b46f2f30..9969714d1133 100644 --- a/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_mbx.c +++ b/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_mbx.c @@ -715,10 +715,11 @@ void hclge_mbx_handler(struct hclge_dev *hdev) req = (struct hclge_mbx_vf_to_pf_cmd *)desc->data; flag = le16_to_cpu(crq->desc[crq->next_to_use].flag); - if (unlikely(!hnae3_get_bit(flag, HCLGE_CMDQ_RX_OUTVLD_B))) { + if (unlikely(!hnae3_get_bit(flag, HCLGE_CMDQ_RX_OUTVLD_B) || + req->mbx_src_vfid > hdev->num_req_vfs)) { dev_warn(&hdev->pdev->dev, - "dropped invalid mailbox message, code = %u\n", - req->msg.code); + "dropped invalid mailbox message, code = %u, vfid = %u\n", + req->msg.code, req->mbx_src_vfid); /* dropping/not processing this invalid message */ crq->desc[crq->next_to_use].flag = 0; From 9e0414220bc21668be96108ca69707dadf34d7d4 Mon Sep 17 00:00:00 2001 From: Hannes Reinecke Date: Fri, 8 Mar 2024 08:11:05 +0100 Subject: [PATCH 419/702] nvmet-tcp: do not continue for invalid icreq [ Upstream commit 0889d13b9e1cbef49e802ae09f3b516911ad82a1 ] When the length check for an icreq sqe fails we should not continue processing but rather return immediately as all other contents of that sqe cannot be relied on. Signed-off-by: Hannes Reinecke Reviewed-by: Christoph Hellwig Reviewed-by: Sagi Grimberg Signed-off-by: Keith Busch Signed-off-by: Sasha Levin --- drivers/nvme/target/tcp.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/nvme/target/tcp.c b/drivers/nvme/target/tcp.c index d70a2fa4ba45..e493fc709065 100644 --- a/drivers/nvme/target/tcp.c +++ b/drivers/nvme/target/tcp.c @@ -846,6 +846,7 @@ static int nvmet_tcp_handle_icreq(struct nvmet_tcp_queue *queue) pr_err("bad nvme-tcp pdu length (%d)\n", le32_to_cpu(icreq->hdr.plen)); nvmet_tcp_fatal_error(queue); + return -EPROTO; } if (icreq->pfv != NVME_TCP_PFV_1_0) { From e5272645a038c4752e06f2e27a897565bb07f654 Mon Sep 17 00:00:00 2001 From: NeilBrown Date: Wed, 28 Feb 2024 11:24:53 +1100 Subject: [PATCH 420/702] NFS: avoid infinite loop in pnfs_update_layout. [ Upstream commit 2fdbc20036acda9e5694db74a032d3c605323005 ] If pnfsd_update_layout() is called on a file for which recovery has failed it will enter a tight infinite loop. NFS_LAYOUT_INVALID_STID will be set, nfs4_select_rw_stateid() will return -EIO, and nfs4_schedule_stateid_recovery() will do nothing, so nfs4_client_recover_expired_lease() will not wait. So the code will loop indefinitely. Break the loop by testing the validity of the open stateid at the top of the loop. Signed-off-by: NeilBrown Signed-off-by: Trond Myklebust Signed-off-by: Sasha Levin --- fs/nfs/pnfs.c | 8 ++++++++ 1 file changed, 8 insertions(+) diff --git a/fs/nfs/pnfs.c b/fs/nfs/pnfs.c index ed6a3ed83755..f2da20ce6875 100644 --- a/fs/nfs/pnfs.c +++ b/fs/nfs/pnfs.c @@ -2000,6 +2000,14 @@ pnfs_update_layout(struct inode *ino, } lookup_again: + if (!nfs4_valid_open_stateid(ctx->state)) { + trace_pnfs_update_layout(ino, pos, count, + iomode, lo, lseg, + PNFS_UPDATE_LAYOUT_INVALID_OPEN); + lseg = ERR_PTR(-EIO); + goto out; + } + lseg = ERR_PTR(nfs4_client_recover_expired_lease(clp)); if (IS_ERR(lseg)) goto out; From d0414f5436bc87ed171cc4db1e0576e321287517 Mon Sep 17 00:00:00 2001 From: Oreoluwa Babatunde Date: Fri, 9 Feb 2024 16:29:30 -0800 Subject: [PATCH 421/702] openrisc: Call setup_memory() earlier in the init sequence [ Upstream commit 7b432bf376c9c198a7ff48f1ed14a14c0ffbe1fe ] The unflatten_and_copy_device_tree() function contains a call to memblock_alloc(). This means that memblock is allocating memory before any of the reserved memory regions are set aside in the setup_memory() function which calls early_init_fdt_scan_reserved_mem(). Therefore, there is a possibility for memblock to allocate from any of the reserved memory regions. Hence, move the call to setup_memory() to be earlier in the init sequence so that the reserved memory regions are set aside before any allocations are done using memblock. Signed-off-by: Oreoluwa Babatunde Signed-off-by: Stafford Horne Signed-off-by: Sasha Levin --- arch/openrisc/kernel/setup.c | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) diff --git a/arch/openrisc/kernel/setup.c b/arch/openrisc/kernel/setup.c index c6f9e7b9f7cb..8c65810eeca2 100644 --- a/arch/openrisc/kernel/setup.c +++ b/arch/openrisc/kernel/setup.c @@ -284,6 +284,9 @@ void calibrate_delay(void) void __init setup_arch(char **cmdline_p) { + /* setup memblock allocator */ + setup_memory(); + unflatten_and_copy_device_tree(); setup_cpuinfo(); @@ -310,9 +313,6 @@ void __init setup_arch(char **cmdline_p) } #endif - /* setup memblock allocator */ - setup_memory(); - /* paging_init() sets up the MMU and marks all pages as reserved */ paging_init(); From 1b8e318f9960939278acf717936a1bf71da6ab5b Mon Sep 17 00:00:00 2001 From: Alexander Gordeev Date: Fri, 16 Feb 2024 13:13:26 +0100 Subject: [PATCH 422/702] s390/iucv: fix receive buffer virtual vs physical address confusion [ Upstream commit 4e8477aeb46dfe74e829c06ea588dd00ba20c8cc ] Fix IUCV_IPBUFLST-type buffers virtual vs physical address confusion. This does not fix a bug since virtual and physical address spaces are currently the same. Signed-off-by: Alexander Gordeev Reviewed-by: Alexandra Winter Signed-off-by: Heiko Carstens Signed-off-by: Sasha Levin --- net/iucv/iucv.c | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-) diff --git a/net/iucv/iucv.c b/net/iucv/iucv.c index 06770b77e5d2..be5f598acbce 100644 --- a/net/iucv/iucv.c +++ b/net/iucv/iucv.c @@ -1088,8 +1088,7 @@ static int iucv_message_receive_iprmdata(struct iucv_path *path, size = (size < 8) ? size : 8; for (array = buffer; size > 0; array++) { copy = min_t(size_t, size, array->length); - memcpy((u8 *)(addr_t) array->address, - rmmsg, copy); + memcpy(phys_to_virt(array->address), rmmsg, copy); rmmsg += copy; size -= copy; } From 9e1c4d0d6ae9fedb934c3ff4394944d855db744b Mon Sep 17 00:00:00 2001 From: Krishna Kurapati Date: Sat, 20 Apr 2024 10:18:55 +0530 Subject: [PATCH 423/702] usb: dwc3: core: Skip setting event buffers for host only controllers [ Upstream commit 89d7f962994604a3e3d480832788d06179abefc5 ] On some SoC's like SA8295P where the tertiary controller is host-only capable, GEVTADDRHI/LO, GEVTSIZ, GEVTCOUNT registers are not accessible. Trying to access them leads to a crash. For DRD/Peripheral supported controllers, event buffer setup is done again in gadget_pullup. Skip setup or cleanup of event buffers if controller is host-only capable. Suggested-by: Johan Hovold Signed-off-by: Krishna Kurapati Acked-by: Thinh Nguyen Reviewed-by: Johan Hovold Reviewed-by: Bjorn Andersson Tested-by: Johan Hovold Link: https://lore.kernel.org/r/20240420044901.884098-4-quic_kriskura@quicinc.com Signed-off-by: Greg Kroah-Hartman Signed-off-by: Sasha Levin --- drivers/usb/dwc3/core.c | 13 +++++++++++++ 1 file changed, 13 insertions(+) diff --git a/drivers/usb/dwc3/core.c b/drivers/usb/dwc3/core.c index 7275bff857ae..f4497522f929 100644 --- a/drivers/usb/dwc3/core.c +++ b/drivers/usb/dwc3/core.c @@ -430,6 +430,13 @@ static void dwc3_free_event_buffers(struct dwc3 *dwc) static int dwc3_alloc_event_buffers(struct dwc3 *dwc, unsigned length) { struct dwc3_event_buffer *evt; + unsigned int hw_mode; + + hw_mode = DWC3_GHWPARAMS0_MODE(dwc->hwparams.hwparams0); + if (hw_mode == DWC3_GHWPARAMS0_MODE_HOST) { + dwc->ev_buf = NULL; + return 0; + } evt = dwc3_alloc_one_event_buffer(dwc, length); if (IS_ERR(evt)) { @@ -451,6 +458,9 @@ int dwc3_event_buffers_setup(struct dwc3 *dwc) { struct dwc3_event_buffer *evt; + if (!dwc->ev_buf) + return 0; + evt = dwc->ev_buf; evt->lpos = 0; dwc3_writel(dwc->regs, DWC3_GEVNTADRLO(0), @@ -468,6 +478,9 @@ void dwc3_event_buffers_cleanup(struct dwc3 *dwc) { struct dwc3_event_buffer *evt; + if (!dwc->ev_buf) + return; + evt = dwc->ev_buf; evt->lpos = 0; From f14cd61826d1f1964b64906a9f29ec423da5518c Mon Sep 17 00:00:00 2001 From: Guanrui Huang Date: Thu, 18 Apr 2024 14:10:53 +0800 Subject: [PATCH 424/702] irqchip/gic-v3-its: Remove BUG_ON in its_vpe_irq_domain_alloc [ Upstream commit 382d2ffe86efb1e2fa803d2cf17e5bfc34e574f3 ] This BUG_ON() is useless, because the same effect will be obtained by letting the code run its course and vm being dereferenced, triggering an exception. So just remove this check. Signed-off-by: Guanrui Huang Signed-off-by: Thomas Gleixner Reviewed-by: Zenghui Yu Acked-by: Marc Zyngier Link: https://lore.kernel.org/r/20240418061053.96803-3-guanrui.huang@linux.alibaba.com Signed-off-by: Sasha Levin --- drivers/irqchip/irq-gic-v3-its.c | 2 -- 1 file changed, 2 deletions(-) diff --git a/drivers/irqchip/irq-gic-v3-its.c b/drivers/irqchip/irq-gic-v3-its.c index 4e486cccc4cc..a9469751720c 100644 --- a/drivers/irqchip/irq-gic-v3-its.c +++ b/drivers/irqchip/irq-gic-v3-its.c @@ -4469,8 +4469,6 @@ static int its_vpe_irq_domain_alloc(struct irq_domain *domain, unsigned int virq struct page *vprop_page; int base, nr_ids, i, err = 0; - BUG_ON(!vm); - bitmap = its_lpi_alloc(roundup_pow_of_two(nr_irqs), &base, &nr_ids); if (!bitmap) return -ENOMEM; From 2143cba14381cdcb83f6585c09f5472de3b2ee15 Mon Sep 17 00:00:00 2001 From: Baokun Li Date: Tue, 19 Mar 2024 19:33:24 +0800 Subject: [PATCH 425/702] ext4: set the type of max_zeroout to unsigned int to avoid overflow [ Upstream commit 261341a932d9244cbcd372a3659428c8723e5a49 ] The max_zeroout is of type int and the s_extent_max_zeroout_kb is of type uint, and the s_extent_max_zeroout_kb can be freely modified via the sysfs interface. When the block size is 1024, max_zeroout may overflow, so declare it as unsigned int to avoid overflow. Signed-off-by: Baokun Li Reviewed-by: Jan Kara Link: https://lore.kernel.org/r/20240319113325.3110393-9-libaokun1@huawei.com Signed-off-by: Theodore Ts'o Signed-off-by: Sasha Levin --- fs/ext4/extents.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/fs/ext4/extents.c b/fs/ext4/extents.c index 9e1259272791..f5fa9d542d64 100644 --- a/fs/ext4/extents.c +++ b/fs/ext4/extents.c @@ -3399,9 +3399,10 @@ static int ext4_ext_convert_to_initialized(handle_t *handle, struct ext4_extent *ex, *abut_ex; ext4_lblk_t ee_block, eof_block; unsigned int ee_len, depth, map_len = map->m_len; - int allocated = 0, max_zeroout = 0; int err = 0; int split_flag = EXT4_EXT_DATA_VALID2; + int allocated = 0; + unsigned int max_zeroout = 0; ext_debug(inode, "logical block %llu, max_blocks %u\n", (unsigned long long)map->m_lblk, map_len); From b09a5ec8de1480a5fc65961b0c62f81015eee083 Mon Sep 17 00:00:00 2001 From: Sagi Grimberg Date: Wed, 8 May 2024 10:53:06 +0300 Subject: [PATCH 426/702] nvmet-rdma: fix possible bad dereference when freeing rsps [ Upstream commit 73964c1d07c054376f1b32a62548571795159148 ] It is possible that the host connected and saw a cm established event and started sending nvme capsules on the qp, however the ctrl did not yet see an established event. This is why the rsp_wait_list exists (for async handling of these cmds, we move them to a pending list). Furthermore, it is possible that the ctrl cm times out, resulting in a connect-error cm event. in this case we hit a bad deref [1] because in nvmet_rdma_free_rsps we assume that all the responses are in the free list. We are freeing the cmds array anyways, so don't even bother to remove the rsp from the free_list. It is also guaranteed that we are not racing anything when we are releasing the queue so no other context accessing this array should be running. [1]: -- Workqueue: nvmet-free-wq nvmet_rdma_free_queue_work [nvmet_rdma] [...] pc : nvmet_rdma_free_rsps+0x78/0xb8 [nvmet_rdma] lr : nvmet_rdma_free_queue_work+0x88/0x120 [nvmet_rdma] Call trace: nvmet_rdma_free_rsps+0x78/0xb8 [nvmet_rdma] nvmet_rdma_free_queue_work+0x88/0x120 [nvmet_rdma] process_one_work+0x1ec/0x4a0 worker_thread+0x48/0x490 kthread+0x158/0x160 ret_from_fork+0x10/0x18 -- Signed-off-by: Sagi Grimberg Reviewed-by: Christoph Hellwig Signed-off-by: Keith Busch Signed-off-by: Sasha Levin --- drivers/nvme/target/rdma.c | 16 ++++------------ 1 file changed, 4 insertions(+), 12 deletions(-) diff --git a/drivers/nvme/target/rdma.c b/drivers/nvme/target/rdma.c index 6d5552f2f184..944e8a276663 100644 --- a/drivers/nvme/target/rdma.c +++ b/drivers/nvme/target/rdma.c @@ -472,12 +472,8 @@ nvmet_rdma_alloc_rsps(struct nvmet_rdma_queue *queue) return 0; out_free: - while (--i >= 0) { - struct nvmet_rdma_rsp *rsp = &queue->rsps[i]; - - list_del(&rsp->free_list); - nvmet_rdma_free_rsp(ndev, rsp); - } + while (--i >= 0) + nvmet_rdma_free_rsp(ndev, &queue->rsps[i]); kfree(queue->rsps); out: return ret; @@ -488,12 +484,8 @@ static void nvmet_rdma_free_rsps(struct nvmet_rdma_queue *queue) struct nvmet_rdma_device *ndev = queue->dev; int i, nr_rsps = queue->recv_queue_size * 2; - for (i = 0; i < nr_rsps; i++) { - struct nvmet_rdma_rsp *rsp = &queue->rsps[i]; - - list_del(&rsp->free_list); - nvmet_rdma_free_rsp(ndev, rsp); - } + for (i = 0; i < nr_rsps; i++) + nvmet_rdma_free_rsp(ndev, &queue->rsps[i]); kfree(queue->rsps); } From 5970a540daadb99089474772ab2f9d03ae06a5f8 Mon Sep 17 00:00:00 2001 From: Phil Chang Date: Mon, 10 Jun 2024 21:31:36 +0800 Subject: [PATCH 427/702] hrtimer: Prevent queuing of hrtimer without a function callback [ Upstream commit 5a830bbce3af16833fe0092dec47b6dd30279825 ] The hrtimer function callback must not be NULL. It has to be specified by the call side but it is not validated by the hrtimer code. When a hrtimer is queued without a function callback, the kernel crashes with a null pointer dereference when trying to execute the callback in __run_hrtimer(). Introduce a validation before queuing the hrtimer in hrtimer_start_range_ns(). [anna-maria: Rephrase commit message] Signed-off-by: Phil Chang Signed-off-by: Anna-Maria Behnsen Signed-off-by: Thomas Gleixner Reviewed-by: Anna-Maria Behnsen Signed-off-by: Sasha Levin --- kernel/time/hrtimer.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/kernel/time/hrtimer.c b/kernel/time/hrtimer.c index 2b2a6e29219d..16f1e747c567 100644 --- a/kernel/time/hrtimer.c +++ b/kernel/time/hrtimer.c @@ -1182,6 +1182,8 @@ void hrtimer_start_range_ns(struct hrtimer *timer, ktime_t tim, struct hrtimer_clock_base *base; unsigned long flags; + if (WARN_ON_ONCE(!timer->function)) + return; /* * Check whether the HRTIMER_MODE_SOFT bit and hrtimer.is_soft * match on CONFIG_PREEMPT_RT = n. With PREEMPT_RT check the hard From cbb9a969fc190e85195d1b0f08038e7f6199044e Mon Sep 17 00:00:00 2001 From: Eric Dumazet Date: Thu, 8 Aug 2024 13:24:55 +0000 Subject: [PATCH 428/702] gtp: pull network headers in gtp_dev_xmit() commit 3a3be7ff9224f424e485287b54be00d2c6bd9c40 upstream. syzbot/KMSAN reported use of uninit-value in get_dev_xmit() [1] We must make sure the IPv4 or Ipv6 header is pulled in skb->head before accessing fields in them. Use pskb_inet_may_pull() to fix this issue. [1] BUG: KMSAN: uninit-value in ipv6_pdp_find drivers/net/gtp.c:220 [inline] BUG: KMSAN: uninit-value in gtp_build_skb_ip6 drivers/net/gtp.c:1229 [inline] BUG: KMSAN: uninit-value in gtp_dev_xmit+0x1424/0x2540 drivers/net/gtp.c:1281 ipv6_pdp_find drivers/net/gtp.c:220 [inline] gtp_build_skb_ip6 drivers/net/gtp.c:1229 [inline] gtp_dev_xmit+0x1424/0x2540 drivers/net/gtp.c:1281 __netdev_start_xmit include/linux/netdevice.h:4913 [inline] netdev_start_xmit include/linux/netdevice.h:4922 [inline] xmit_one net/core/dev.c:3580 [inline] dev_hard_start_xmit+0x247/0xa20 net/core/dev.c:3596 __dev_queue_xmit+0x358c/0x5610 net/core/dev.c:4423 dev_queue_xmit include/linux/netdevice.h:3105 [inline] packet_xmit+0x9c/0x6c0 net/packet/af_packet.c:276 packet_snd net/packet/af_packet.c:3145 [inline] packet_sendmsg+0x90e3/0xa3a0 net/packet/af_packet.c:3177 sock_sendmsg_nosec net/socket.c:730 [inline] __sock_sendmsg+0x30f/0x380 net/socket.c:745 __sys_sendto+0x685/0x830 net/socket.c:2204 __do_sys_sendto net/socket.c:2216 [inline] __se_sys_sendto net/socket.c:2212 [inline] __x64_sys_sendto+0x125/0x1d0 net/socket.c:2212 x64_sys_call+0x3799/0x3c10 arch/x86/include/generated/asm/syscalls_64.h:45 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xcd/0x1e0 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f Uninit was created at: slab_post_alloc_hook mm/slub.c:3994 [inline] slab_alloc_node mm/slub.c:4037 [inline] kmem_cache_alloc_node_noprof+0x6bf/0xb80 mm/slub.c:4080 kmalloc_reserve+0x13d/0x4a0 net/core/skbuff.c:583 __alloc_skb+0x363/0x7b0 net/core/skbuff.c:674 alloc_skb include/linux/skbuff.h:1320 [inline] alloc_skb_with_frags+0xc8/0xbf0 net/core/skbuff.c:6526 sock_alloc_send_pskb+0xa81/0xbf0 net/core/sock.c:2815 packet_alloc_skb net/packet/af_packet.c:2994 [inline] packet_snd net/packet/af_packet.c:3088 [inline] packet_sendmsg+0x749c/0xa3a0 net/packet/af_packet.c:3177 sock_sendmsg_nosec net/socket.c:730 [inline] __sock_sendmsg+0x30f/0x380 net/socket.c:745 __sys_sendto+0x685/0x830 net/socket.c:2204 __do_sys_sendto net/socket.c:2216 [inline] __se_sys_sendto net/socket.c:2212 [inline] __x64_sys_sendto+0x125/0x1d0 net/socket.c:2212 x64_sys_call+0x3799/0x3c10 arch/x86/include/generated/asm/syscalls_64.h:45 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xcd/0x1e0 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f CPU: 0 UID: 0 PID: 7115 Comm: syz.1.515 Not tainted 6.11.0-rc1-syzkaller-00043-g94ede2a3e913 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/27/2024 Fixes: 999cb275c807 ("gtp: add IPv6 support") Fixes: 459aa660eb1d ("gtp: add initial driver for datapath of GPRS Tunneling Protocol (GTP-U)") Signed-off-by: Eric Dumazet Cc: Harald Welte Reviewed-by: Pablo Neira Ayuso Link: https://patch.msgid.link/20240808132455.3413916-1-edumazet@google.com Signed-off-by: Jakub Kicinski Signed-off-by: Greg Kroah-Hartman --- drivers/net/gtp.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/drivers/net/gtp.c b/drivers/net/gtp.c index c8246363d383..993960f0fa3c 100644 --- a/drivers/net/gtp.c +++ b/drivers/net/gtp.c @@ -567,6 +567,9 @@ static netdev_tx_t gtp_dev_xmit(struct sk_buff *skb, struct net_device *dev) if (skb_cow_head(skb, dev->needed_headroom)) goto tx_err; + if (!pskb_inet_may_pull(skb)) + goto tx_err; + skb_reset_inner_headers(skb); /* PDP context lookups in gtp_build_skb_*() need rcu read-side lock. */ From d1bd8e0a11eace467aa234154792f0793332b6eb Mon Sep 17 00:00:00 2001 From: Tetsuo Handa Date: Sat, 18 Dec 2021 18:41:56 +0900 Subject: [PATCH 429/702] block: use "unsigned long" for blk_validate_block_size(). commit 37ae5a0f5287a52cf51242e76ccf198d02ffe495 upstream. Since lo_simple_ioctl(LOOP_SET_BLOCK_SIZE) and ioctl(NBD_SET_BLKSIZE) pass user-controlled "unsigned long arg" to blk_validate_block_size(), "unsigned long" should be used for validation. Signed-off-by: Tetsuo Handa Reviewed-by: Christoph Hellwig Link: https://lore.kernel.org/r/9ecbf057-4375-c2db-ab53-e4cc0dff953d@i-love.sakura.ne.jp Signed-off-by: Jens Axboe Signed-off-by: David Hunter Signed-off-by: Greg Kroah-Hartman --- include/linux/blkdev.h | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/include/linux/blkdev.h b/include/linux/blkdev.h index a47e1aebaff2..e5f11dae208d 100644 --- a/include/linux/blkdev.h +++ b/include/linux/blkdev.h @@ -59,7 +59,7 @@ struct blk_keyslot_manager; */ #define BLKCG_MAX_POLS 5 -static inline int blk_validate_block_size(unsigned int bsize) +static inline int blk_validate_block_size(unsigned long bsize) { if (bsize < 512 || bsize > PAGE_SIZE || !is_power_of_2(bsize)) return -EINVAL; From 0ba3401777822839b9d371c4bf7c5f7883171d9a Mon Sep 17 00:00:00 2001 From: Aurelien Jarno Date: Sat, 13 Jan 2024 19:33:31 +0100 Subject: [PATCH 430/702] media: solo6x10: replace max(a, min(b, c)) by clamp(b, a, c) commit 31e97d7c9ae3de072d7b424b2cf706a03ec10720 upstream. This patch replaces max(a, min(b, c)) by clamp(b, a, c) in the solo6x10 driver. This improves the readability and more importantly, for the solo6x10-p2m.c file, this reduces on my system (x86-64, gcc 13): - the preprocessed size from 121 MiB to 4.5 MiB; - the build CPU time from 46.8 s to 1.6 s; - the build memory from 2786 MiB to 98MiB. In fine, this allows this relatively simple C file to be built on a 32-bit system. Reported-by: Jiri Slaby Closes: https://lore.kernel.org/lkml/18c6df0d-45ed-450c-9eda-95160a2bbb8e@gmail.com/ Cc: # v6.7+ Suggested-by: David Laight Signed-off-by: Aurelien Jarno Reviewed-by: David Laight Reviewed-by: Hans Verkuil Signed-off-by: Linus Torvalds Signed-off-by: Greg Kroah-Hartman --- drivers/media/pci/solo6x10/solo6x10-offsets.h | 10 +++++----- 1 file changed, 5 insertions(+), 5 deletions(-) diff --git a/drivers/media/pci/solo6x10/solo6x10-offsets.h b/drivers/media/pci/solo6x10/solo6x10-offsets.h index f414ee1316f2..fdbb817e6360 100644 --- a/drivers/media/pci/solo6x10/solo6x10-offsets.h +++ b/drivers/media/pci/solo6x10/solo6x10-offsets.h @@ -57,16 +57,16 @@ #define SOLO_MP4E_EXT_ADDR(__solo) \ (SOLO_EREF_EXT_ADDR(__solo) + SOLO_EREF_EXT_AREA(__solo)) #define SOLO_MP4E_EXT_SIZE(__solo) \ - max((__solo->nr_chans * 0x00080000), \ - min(((__solo->sdram_size - SOLO_MP4E_EXT_ADDR(__solo)) - \ - __SOLO_JPEG_MIN_SIZE(__solo)), 0x00ff0000)) + clamp(__solo->sdram_size - SOLO_MP4E_EXT_ADDR(__solo) - \ + __SOLO_JPEG_MIN_SIZE(__solo), \ + __solo->nr_chans * 0x00080000, 0x00ff0000) #define __SOLO_JPEG_MIN_SIZE(__solo) (__solo->nr_chans * 0x00080000) #define SOLO_JPEG_EXT_ADDR(__solo) \ (SOLO_MP4E_EXT_ADDR(__solo) + SOLO_MP4E_EXT_SIZE(__solo)) #define SOLO_JPEG_EXT_SIZE(__solo) \ - max(__SOLO_JPEG_MIN_SIZE(__solo), \ - min((__solo->sdram_size - SOLO_JPEG_EXT_ADDR(__solo)), 0x00ff0000)) + clamp(__solo->sdram_size - SOLO_JPEG_EXT_ADDR(__solo), \ + __SOLO_JPEG_MIN_SIZE(__solo), 0x00ff0000) #define SOLO_SDRAM_END(__solo) \ (SOLO_JPEG_EXT_ADDR(__solo) + SOLO_JPEG_EXT_SIZE(__solo)) From ce70b0915009b3ec12759b63c33c74945dbc9639 Mon Sep 17 00:00:00 2001 From: Mikulas Patocka Date: Tue, 13 Aug 2024 12:38:51 +0200 Subject: [PATCH 431/702] dm suspend: return -ERESTARTSYS instead of -EINTR [ Upstream commit 1e1fd567d32fcf7544c6e09e0e5bc6c650da6e23 ] This commit changes device mapper, so that it returns -ERESTARTSYS instead of -EINTR when it is interrupted by a signal (so that the ioctl can be restarted). The manpage signal(7) says that the ioctl function should be restarted if the signal was handled with SA_RESTART. Signed-off-by: Mikulas Patocka Cc: stable@vger.kernel.org Signed-off-by: Sasha Levin --- drivers/md/dm.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/md/dm.c b/drivers/md/dm.c index dc8498b4b5c1..b56ea42ab7d2 100644 --- a/drivers/md/dm.c +++ b/drivers/md/dm.c @@ -2343,7 +2343,7 @@ static int dm_wait_for_bios_completion(struct mapped_device *md, long task_state break; if (signal_pending_state(task_state, current)) { - r = -EINTR; + r = -ERESTARTSYS; break; } @@ -2368,7 +2368,7 @@ static int dm_wait_for_completion(struct mapped_device *md, long task_state) break; if (signal_pending_state(task_state, current)) { - r = -EINTR; + r = -ERESTARTSYS; break; } From 7a4e7a0c6b0b11a6224bdd21dc07be7c98fdb9ed Mon Sep 17 00:00:00 2001 From: Luiz Augusto von Dentz Date: Mon, 12 Aug 2024 11:22:08 -0400 Subject: [PATCH 432/702] Bluetooth: hci_core: Fix LE quote calculation [ Upstream commit 932021a11805b9da4bd6abf66fe233cccd59fe0e ] Function hci_sched_le needs to update the respective counter variable inplace other the likes of hci_quote_sent would attempt to use the possible outdated value of conn->{le_cnt,acl_cnt}. Link: https://github.com/bluez/bluez/issues/915 Fixes: 73d80deb7bdf ("Bluetooth: prioritizing data over HCI") Signed-off-by: Luiz Augusto von Dentz Signed-off-by: Sasha Levin --- net/bluetooth/hci_core.c | 19 +++++++------------ 1 file changed, 7 insertions(+), 12 deletions(-) diff --git a/net/bluetooth/hci_core.c b/net/bluetooth/hci_core.c index c8c1cd55c0eb..9787a4c55113 100644 --- a/net/bluetooth/hci_core.c +++ b/net/bluetooth/hci_core.c @@ -4685,19 +4685,19 @@ static void hci_sched_le(struct hci_dev *hdev) { struct hci_chan *chan; struct sk_buff *skb; - int quote, cnt, tmp; + int quote, *cnt, tmp; BT_DBG("%s", hdev->name); if (!hci_conn_num(hdev, LE_LINK)) return; - cnt = hdev->le_pkts ? hdev->le_cnt : hdev->acl_cnt; + cnt = hdev->le_pkts ? &hdev->le_cnt : &hdev->acl_cnt; - __check_timeout(hdev, cnt, LE_LINK); + __check_timeout(hdev, *cnt, LE_LINK); - tmp = cnt; - while (cnt && (chan = hci_chan_sent(hdev, LE_LINK, "e))) { + tmp = *cnt; + while (*cnt && (chan = hci_chan_sent(hdev, LE_LINK, "e))) { u32 priority = (skb_peek(&chan->data_q))->priority; while (quote-- && (skb = skb_peek(&chan->data_q))) { BT_DBG("chan %p skb %p len %d priority %u", chan, skb, @@ -4712,7 +4712,7 @@ static void hci_sched_le(struct hci_dev *hdev) hci_send_frame(hdev, skb); hdev->le_last_tx = jiffies; - cnt--; + (*cnt)--; chan->sent++; chan->conn->sent++; @@ -4722,12 +4722,7 @@ static void hci_sched_le(struct hci_dev *hdev) } } - if (hdev->le_pkts) - hdev->le_cnt = cnt; - else - hdev->acl_cnt = cnt; - - if (cnt != tmp) + if (*cnt != tmp) hci_prio_recalculate(hdev, LE_LINK); } From 095a1f19d4529b11d7af807a8c08fe199f57e82d Mon Sep 17 00:00:00 2001 From: Luiz Augusto von Dentz Date: Wed, 30 Aug 2023 15:08:06 -0700 Subject: [PATCH 433/702] Bluetooth: SMP: Fix assumption of Central always being Initiator [ Upstream commit 28cd47f75185c4818b0fb1b46f2f02faaba96376 ] SMP initiator role shall be considered the one that initiates the pairing procedure with SMP_CMD_PAIRING_REQ: BLUETOOTH CORE SPECIFICATION Version 5.3 | Vol 3, Part H page 1557: Figure 2.1: LE pairing phases Note that by sending SMP_CMD_SECURITY_REQ it doesn't change the role to be Initiator. Link: https://github.com/bluez/bluez/issues/567 Fixes: b28b4943660f ("Bluetooth: Add strict checks for allowed SMP PDUs") Signed-off-by: Luiz Augusto von Dentz Signed-off-by: Sasha Levin --- net/bluetooth/smp.c | 146 ++++++++++++++++++++++---------------------- 1 file changed, 73 insertions(+), 73 deletions(-) diff --git a/net/bluetooth/smp.c b/net/bluetooth/smp.c index 27381e7425a8..20cae8f76876 100644 --- a/net/bluetooth/smp.c +++ b/net/bluetooth/smp.c @@ -914,7 +914,7 @@ static int tk_request(struct l2cap_conn *conn, u8 remote_oob, u8 auth, * Confirms and the responder Enters the passkey. */ if (smp->method == OVERLAP) { - if (hcon->role == HCI_ROLE_MASTER) + if (test_bit(SMP_FLAG_INITIATOR, &smp->flags)) smp->method = CFM_PASSKEY; else smp->method = REQ_PASSKEY; @@ -964,7 +964,7 @@ static u8 smp_confirm(struct smp_chan *smp) smp_send_cmd(smp->conn, SMP_CMD_PAIRING_CONFIRM, sizeof(cp), &cp); - if (conn->hcon->out) + if (test_bit(SMP_FLAG_INITIATOR, &smp->flags)) SMP_ALLOW_CMD(smp, SMP_CMD_PAIRING_CONFIRM); else SMP_ALLOW_CMD(smp, SMP_CMD_PAIRING_RANDOM); @@ -980,7 +980,8 @@ static u8 smp_random(struct smp_chan *smp) int ret; bt_dev_dbg(conn->hcon->hdev, "conn %p %s", conn, - conn->hcon->out ? "initiator" : "responder"); + test_bit(SMP_FLAG_INITIATOR, &smp->flags) ? "initiator" : + "responder"); ret = smp_c1(smp->tk, smp->rrnd, smp->preq, smp->prsp, hcon->init_addr_type, &hcon->init_addr, @@ -994,7 +995,7 @@ static u8 smp_random(struct smp_chan *smp) return SMP_CONFIRM_FAILED; } - if (hcon->out) { + if (test_bit(SMP_FLAG_INITIATOR, &smp->flags)) { u8 stk[16]; __le64 rand = 0; __le16 ediv = 0; @@ -1251,14 +1252,15 @@ static void smp_distribute_keys(struct smp_chan *smp) rsp = (void *) &smp->prsp[1]; /* The responder sends its keys first */ - if (hcon->out && (smp->remote_key_dist & KEY_DIST_MASK)) { + if (test_bit(SMP_FLAG_INITIATOR, &smp->flags) && + (smp->remote_key_dist & KEY_DIST_MASK)) { smp_allow_key_dist(smp); return; } req = (void *) &smp->preq[1]; - if (hcon->out) { + if (test_bit(SMP_FLAG_INITIATOR, &smp->flags)) { keydist = &rsp->init_key_dist; *keydist &= req->init_key_dist; } else { @@ -1427,7 +1429,7 @@ static int sc_mackey_and_ltk(struct smp_chan *smp, u8 mackey[16], u8 ltk[16]) struct hci_conn *hcon = smp->conn->hcon; u8 *na, *nb, a[7], b[7]; - if (hcon->out) { + if (test_bit(SMP_FLAG_INITIATOR, &smp->flags)) { na = smp->prnd; nb = smp->rrnd; } else { @@ -1455,7 +1457,7 @@ static void sc_dhkey_check(struct smp_chan *smp) a[6] = hcon->init_addr_type; b[6] = hcon->resp_addr_type; - if (hcon->out) { + if (test_bit(SMP_FLAG_INITIATOR, &smp->flags)) { local_addr = a; remote_addr = b; memcpy(io_cap, &smp->preq[1], 3); @@ -1534,7 +1536,7 @@ static u8 sc_passkey_round(struct smp_chan *smp, u8 smp_op) /* The round is only complete when the initiator * receives pairing random. */ - if (!hcon->out) { + if (!test_bit(SMP_FLAG_INITIATOR, &smp->flags)) { smp_send_cmd(conn, SMP_CMD_PAIRING_RANDOM, sizeof(smp->prnd), smp->prnd); if (smp->passkey_round == 20) @@ -1562,7 +1564,7 @@ static u8 sc_passkey_round(struct smp_chan *smp, u8 smp_op) SMP_ALLOW_CMD(smp, SMP_CMD_PAIRING_RANDOM); - if (hcon->out) { + if (test_bit(SMP_FLAG_INITIATOR, &smp->flags)) { smp_send_cmd(conn, SMP_CMD_PAIRING_RANDOM, sizeof(smp->prnd), smp->prnd); return 0; @@ -1573,7 +1575,7 @@ static u8 sc_passkey_round(struct smp_chan *smp, u8 smp_op) case SMP_CMD_PUBLIC_KEY: default: /* Initiating device starts the round */ - if (!hcon->out) + if (!test_bit(SMP_FLAG_INITIATOR, &smp->flags)) return 0; bt_dev_dbg(hdev, "Starting passkey round %u", @@ -1618,7 +1620,7 @@ static int sc_user_reply(struct smp_chan *smp, u16 mgmt_op, __le32 passkey) } /* Initiator sends DHKey check first */ - if (hcon->out) { + if (test_bit(SMP_FLAG_INITIATOR, &smp->flags)) { sc_dhkey_check(smp); SMP_ALLOW_CMD(smp, SMP_CMD_DHKEY_CHECK); } else if (test_and_clear_bit(SMP_FLAG_DHKEY_PENDING, &smp->flags)) { @@ -1741,7 +1743,7 @@ static u8 smp_cmd_pairing_req(struct l2cap_conn *conn, struct sk_buff *skb) struct smp_cmd_pairing rsp, *req = (void *) skb->data; struct l2cap_chan *chan = conn->smp; struct hci_dev *hdev = conn->hcon->hdev; - struct smp_chan *smp; + struct smp_chan *smp = chan->data; u8 key_size, auth, sec_level; int ret; @@ -1750,16 +1752,14 @@ static u8 smp_cmd_pairing_req(struct l2cap_conn *conn, struct sk_buff *skb) if (skb->len < sizeof(*req)) return SMP_INVALID_PARAMS; - if (conn->hcon->role != HCI_ROLE_SLAVE) + if (smp && test_bit(SMP_FLAG_INITIATOR, &smp->flags)) return SMP_CMD_NOTSUPP; - if (!chan->data) + if (!smp) { smp = smp_chan_create(conn); - else - smp = chan->data; - - if (!smp) - return SMP_UNSPECIFIED; + if (!smp) + return SMP_UNSPECIFIED; + } /* We didn't start the pairing, so match remote */ auth = req->auth_req & AUTH_REQ_MASK(hdev); @@ -1941,7 +1941,7 @@ static u8 smp_cmd_pairing_rsp(struct l2cap_conn *conn, struct sk_buff *skb) if (skb->len < sizeof(*rsp)) return SMP_INVALID_PARAMS; - if (conn->hcon->role != HCI_ROLE_MASTER) + if (!test_bit(SMP_FLAG_INITIATOR, &smp->flags)) return SMP_CMD_NOTSUPP; skb_pull(skb, sizeof(*rsp)); @@ -2036,7 +2036,7 @@ static u8 sc_check_confirm(struct smp_chan *smp) if (smp->method == REQ_PASSKEY || smp->method == DSP_PASSKEY) return sc_passkey_round(smp, SMP_CMD_PAIRING_CONFIRM); - if (conn->hcon->out) { + if (test_bit(SMP_FLAG_INITIATOR, &smp->flags)) { smp_send_cmd(conn, SMP_CMD_PAIRING_RANDOM, sizeof(smp->prnd), smp->prnd); SMP_ALLOW_CMD(smp, SMP_CMD_PAIRING_RANDOM); @@ -2058,7 +2058,7 @@ static int fixup_sc_false_positive(struct smp_chan *smp) u8 auth; /* The issue is only observed when we're in responder role */ - if (hcon->out) + if (test_bit(SMP_FLAG_INITIATOR, &smp->flags)) return SMP_UNSPECIFIED; if (hci_dev_test_flag(hdev, HCI_SC_ONLY)) { @@ -2094,7 +2094,8 @@ static u8 smp_cmd_pairing_confirm(struct l2cap_conn *conn, struct sk_buff *skb) struct hci_dev *hdev = hcon->hdev; bt_dev_dbg(hdev, "conn %p %s", conn, - hcon->out ? "initiator" : "responder"); + test_bit(SMP_FLAG_INITIATOR, &smp->flags) ? "initiator" : + "responder"); if (skb->len < sizeof(smp->pcnf)) return SMP_INVALID_PARAMS; @@ -2116,7 +2117,7 @@ static u8 smp_cmd_pairing_confirm(struct l2cap_conn *conn, struct sk_buff *skb) return ret; } - if (conn->hcon->out) { + if (test_bit(SMP_FLAG_INITIATOR, &smp->flags)) { smp_send_cmd(conn, SMP_CMD_PAIRING_RANDOM, sizeof(smp->prnd), smp->prnd); SMP_ALLOW_CMD(smp, SMP_CMD_PAIRING_RANDOM); @@ -2151,7 +2152,7 @@ static u8 smp_cmd_pairing_random(struct l2cap_conn *conn, struct sk_buff *skb) if (!test_bit(SMP_FLAG_SC, &smp->flags)) return smp_random(smp); - if (hcon->out) { + if (test_bit(SMP_FLAG_INITIATOR, &smp->flags)) { pkax = smp->local_pk; pkbx = smp->remote_pk; na = smp->prnd; @@ -2164,7 +2165,7 @@ static u8 smp_cmd_pairing_random(struct l2cap_conn *conn, struct sk_buff *skb) } if (smp->method == REQ_OOB) { - if (!hcon->out) + if (!test_bit(SMP_FLAG_INITIATOR, &smp->flags)) smp_send_cmd(conn, SMP_CMD_PAIRING_RANDOM, sizeof(smp->prnd), smp->prnd); SMP_ALLOW_CMD(smp, SMP_CMD_DHKEY_CHECK); @@ -2175,7 +2176,7 @@ static u8 smp_cmd_pairing_random(struct l2cap_conn *conn, struct sk_buff *skb) if (smp->method == REQ_PASSKEY || smp->method == DSP_PASSKEY) return sc_passkey_round(smp, SMP_CMD_PAIRING_RANDOM); - if (hcon->out) { + if (test_bit(SMP_FLAG_INITIATOR, &smp->flags)) { u8 cfm[16]; err = smp_f4(smp->tfm_cmac, smp->remote_pk, smp->local_pk, @@ -2216,7 +2217,7 @@ static u8 smp_cmd_pairing_random(struct l2cap_conn *conn, struct sk_buff *skb) return SMP_UNSPECIFIED; if (smp->method == REQ_OOB) { - if (hcon->out) { + if (test_bit(SMP_FLAG_INITIATOR, &smp->flags)) { sc_dhkey_check(smp); SMP_ALLOW_CMD(smp, SMP_CMD_DHKEY_CHECK); } @@ -2290,10 +2291,27 @@ bool smp_sufficient_security(struct hci_conn *hcon, u8 sec_level, return false; } +static void smp_send_pairing_req(struct smp_chan *smp, __u8 auth) +{ + struct smp_cmd_pairing cp; + + if (smp->conn->hcon->type == ACL_LINK) + build_bredr_pairing_cmd(smp, &cp, NULL); + else + build_pairing_cmd(smp->conn, &cp, NULL, auth); + + smp->preq[0] = SMP_CMD_PAIRING_REQ; + memcpy(&smp->preq[1], &cp, sizeof(cp)); + + smp_send_cmd(smp->conn, SMP_CMD_PAIRING_REQ, sizeof(cp), &cp); + SMP_ALLOW_CMD(smp, SMP_CMD_PAIRING_RSP); + + set_bit(SMP_FLAG_INITIATOR, &smp->flags); +} + static u8 smp_cmd_security_req(struct l2cap_conn *conn, struct sk_buff *skb) { struct smp_cmd_security_req *rp = (void *) skb->data; - struct smp_cmd_pairing cp; struct hci_conn *hcon = conn->hcon; struct hci_dev *hdev = hcon->hdev; struct smp_chan *smp; @@ -2342,18 +2360,22 @@ static u8 smp_cmd_security_req(struct l2cap_conn *conn, struct sk_buff *skb) skb_pull(skb, sizeof(*rp)); - memset(&cp, 0, sizeof(cp)); - build_pairing_cmd(conn, &cp, NULL, auth); - - smp->preq[0] = SMP_CMD_PAIRING_REQ; - memcpy(&smp->preq[1], &cp, sizeof(cp)); - - smp_send_cmd(conn, SMP_CMD_PAIRING_REQ, sizeof(cp), &cp); - SMP_ALLOW_CMD(smp, SMP_CMD_PAIRING_RSP); + smp_send_pairing_req(smp, auth); return 0; } +static void smp_send_security_req(struct smp_chan *smp, __u8 auth) +{ + struct smp_cmd_security_req cp; + + cp.auth_req = auth; + smp_send_cmd(smp->conn, SMP_CMD_SECURITY_REQ, sizeof(cp), &cp); + SMP_ALLOW_CMD(smp, SMP_CMD_PAIRING_REQ); + + clear_bit(SMP_FLAG_INITIATOR, &smp->flags); +} + int smp_conn_security(struct hci_conn *hcon, __u8 sec_level) { struct l2cap_conn *conn = hcon->l2cap_data; @@ -2422,23 +2444,11 @@ int smp_conn_security(struct hci_conn *hcon, __u8 sec_level) authreq |= SMP_AUTH_MITM; } - if (hcon->role == HCI_ROLE_MASTER) { - struct smp_cmd_pairing cp; + if (hcon->role == HCI_ROLE_MASTER) + smp_send_pairing_req(smp, authreq); + else + smp_send_security_req(smp, authreq); - build_pairing_cmd(conn, &cp, NULL, authreq); - smp->preq[0] = SMP_CMD_PAIRING_REQ; - memcpy(&smp->preq[1], &cp, sizeof(cp)); - - smp_send_cmd(conn, SMP_CMD_PAIRING_REQ, sizeof(cp), &cp); - SMP_ALLOW_CMD(smp, SMP_CMD_PAIRING_RSP); - } else { - struct smp_cmd_security_req cp; - cp.auth_req = authreq; - smp_send_cmd(conn, SMP_CMD_SECURITY_REQ, sizeof(cp), &cp); - SMP_ALLOW_CMD(smp, SMP_CMD_PAIRING_REQ); - } - - set_bit(SMP_FLAG_INITIATOR, &smp->flags); ret = 0; unlock: @@ -2689,8 +2699,6 @@ static int smp_cmd_sign_info(struct l2cap_conn *conn, struct sk_buff *skb) static u8 sc_select_method(struct smp_chan *smp) { - struct l2cap_conn *conn = smp->conn; - struct hci_conn *hcon = conn->hcon; struct smp_cmd_pairing *local, *remote; u8 local_mitm, remote_mitm, local_io, remote_io, method; @@ -2703,7 +2711,7 @@ static u8 sc_select_method(struct smp_chan *smp) * the "struct smp_cmd_pairing" from them we need to skip the * first byte which contains the opcode. */ - if (hcon->out) { + if (test_bit(SMP_FLAG_INITIATOR, &smp->flags)) { local = (void *) &smp->preq[1]; remote = (void *) &smp->prsp[1]; } else { @@ -2772,7 +2780,7 @@ static int smp_cmd_public_key(struct l2cap_conn *conn, struct sk_buff *skb) /* Non-initiating device sends its public key after receiving * the key from the initiating device. */ - if (!hcon->out) { + if (!test_bit(SMP_FLAG_INITIATOR, &smp->flags)) { err = sc_send_public_key(smp); if (err) return err; @@ -2834,7 +2842,7 @@ static int smp_cmd_public_key(struct l2cap_conn *conn, struct sk_buff *skb) } if (smp->method == REQ_OOB) { - if (hcon->out) + if (test_bit(SMP_FLAG_INITIATOR, &smp->flags)) smp_send_cmd(conn, SMP_CMD_PAIRING_RANDOM, sizeof(smp->prnd), smp->prnd); @@ -2843,7 +2851,7 @@ static int smp_cmd_public_key(struct l2cap_conn *conn, struct sk_buff *skb) return 0; } - if (hcon->out) + if (test_bit(SMP_FLAG_INITIATOR, &smp->flags)) SMP_ALLOW_CMD(smp, SMP_CMD_PAIRING_CONFIRM); if (smp->method == REQ_PASSKEY) { @@ -2858,7 +2866,7 @@ static int smp_cmd_public_key(struct l2cap_conn *conn, struct sk_buff *skb) /* The Initiating device waits for the non-initiating device to * send the confirm value. */ - if (conn->hcon->out) + if (test_bit(SMP_FLAG_INITIATOR, &smp->flags)) return 0; err = smp_f4(smp->tfm_cmac, smp->local_pk, smp->remote_pk, smp->prnd, @@ -2892,7 +2900,7 @@ static int smp_cmd_dhkey_check(struct l2cap_conn *conn, struct sk_buff *skb) a[6] = hcon->init_addr_type; b[6] = hcon->resp_addr_type; - if (hcon->out) { + if (test_bit(SMP_FLAG_INITIATOR, &smp->flags)) { local_addr = a; remote_addr = b; memcpy(io_cap, &smp->prsp[1], 3); @@ -2917,7 +2925,7 @@ static int smp_cmd_dhkey_check(struct l2cap_conn *conn, struct sk_buff *skb) if (crypto_memneq(check->e, e, 16)) return SMP_DHKEY_CHECK_FAILED; - if (!hcon->out) { + if (!test_bit(SMP_FLAG_INITIATOR, &smp->flags)) { if (test_bit(SMP_FLAG_WAIT_USER, &smp->flags)) { set_bit(SMP_FLAG_DHKEY_PENDING, &smp->flags); return 0; @@ -2929,7 +2937,7 @@ static int smp_cmd_dhkey_check(struct l2cap_conn *conn, struct sk_buff *skb) sc_add_ltk(smp); - if (hcon->out) { + if (test_bit(SMP_FLAG_INITIATOR, &smp->flags)) { hci_le_start_enc(hcon, 0, 0, smp->tk, smp->enc_key_size); hcon->enc_key_size = smp->enc_key_size; } @@ -3078,7 +3086,6 @@ static void bredr_pairing(struct l2cap_chan *chan) struct l2cap_conn *conn = chan->conn; struct hci_conn *hcon = conn->hcon; struct hci_dev *hdev = hcon->hdev; - struct smp_cmd_pairing req; struct smp_chan *smp; bt_dev_dbg(hdev, "chan %p", chan); @@ -3130,14 +3137,7 @@ static void bredr_pairing(struct l2cap_chan *chan) bt_dev_dbg(hdev, "starting SMP over BR/EDR"); - /* Prepare and send the BR/EDR SMP Pairing Request */ - build_bredr_pairing_cmd(smp, &req, NULL); - - smp->preq[0] = SMP_CMD_PAIRING_REQ; - memcpy(&smp->preq[1], &req, sizeof(req)); - - smp_send_cmd(conn, SMP_CMD_PAIRING_REQ, sizeof(req), &req); - SMP_ALLOW_CMD(smp, SMP_CMD_PAIRING_RSP); + smp_send_pairing_req(smp, 0x00); } static void smp_resume_cb(struct l2cap_chan *chan) From f4b762cf7ef03fccd5ff396a3bf5158711849ec3 Mon Sep 17 00:00:00 2001 From: Simon Horman Date: Thu, 15 Aug 2024 16:37:13 +0100 Subject: [PATCH 434/702] tc-testing: don't access non-existent variable on exception [ Upstream commit a0c9fe5eecc97680323ee83780ea3eaf440ba1b7 ] Since commit 255c1c7279ab ("tc-testing: Allow test cases to be skipped") the variable test_ordinal doesn't exist in call_pre_case(). So it should not be accessed when an exception occurs. This resolves the following splat: ... During handling of the above exception, another exception occurred: Traceback (most recent call last): File ".../tdc.py", line 1028, in main() File ".../tdc.py", line 1022, in main set_operation_mode(pm, parser, args, remaining) File ".../tdc.py", line 966, in set_operation_mode catresults = test_runner_serial(pm, args, alltests) File ".../tdc.py", line 642, in test_runner_serial (index, tsr) = test_runner(pm, args, alltests) File ".../tdc.py", line 536, in test_runner res = run_one_test(pm, args, index, tidx) File ".../tdc.py", line 419, in run_one_test pm.call_pre_case(tidx) File ".../tdc.py", line 146, in call_pre_case print('test_ordinal is {}'.format(test_ordinal)) NameError: name 'test_ordinal' is not defined Fixes: 255c1c7279ab ("tc-testing: Allow test cases to be skipped") Signed-off-by: Simon Horman Acked-by: Jamal Hadi Salim Link: https://patch.msgid.link/20240815-tdc-test-ordinal-v1-1-0255c122a427@kernel.org Signed-off-by: Jakub Kicinski Signed-off-by: Sasha Levin --- tools/testing/selftests/tc-testing/tdc.py | 1 - 1 file changed, 1 deletion(-) diff --git a/tools/testing/selftests/tc-testing/tdc.py b/tools/testing/selftests/tc-testing/tdc.py index a3e43189d940..d6a9d97f73c2 100755 --- a/tools/testing/selftests/tc-testing/tdc.py +++ b/tools/testing/selftests/tc-testing/tdc.py @@ -129,7 +129,6 @@ class PluginMgr: except Exception as ee: print('exception {} in call to pre_case for {} plugin'. format(ee, pgn_inst.__class__)) - print('test_ordinal is {}'.format(test_ordinal)) print('testid is {}'.format(caseinfo['id'])) raise From eb06c8d3022ce6738711191c89f9b3e9cfb91914 Mon Sep 17 00:00:00 2001 From: Kuniyuki Iwashima Date: Thu, 15 Aug 2024 15:04:37 -0700 Subject: [PATCH 435/702] kcm: Serialise kcm_sendmsg() for the same socket. [ Upstream commit 807067bf014d4a3ae2cc55bd3de16f22a01eb580 ] syzkaller reported UAF in kcm_release(). [0] The scenario is 1. Thread A builds a skb with MSG_MORE and sets kcm->seq_skb. 2. Thread A resumes building skb from kcm->seq_skb but is blocked by sk_stream_wait_memory() 3. Thread B calls sendmsg() concurrently, finishes building kcm->seq_skb and puts the skb to the write queue 4. Thread A faces an error and finally frees skb that is already in the write queue 5. kcm_release() does double-free the skb in the write queue When a thread is building a MSG_MORE skb, another thread must not touch it. Let's add a per-sk mutex and serialise kcm_sendmsg(). [0]: BUG: KASAN: slab-use-after-free in __skb_unlink include/linux/skbuff.h:2366 [inline] BUG: KASAN: slab-use-after-free in __skb_dequeue include/linux/skbuff.h:2385 [inline] BUG: KASAN: slab-use-after-free in __skb_queue_purge_reason include/linux/skbuff.h:3175 [inline] BUG: KASAN: slab-use-after-free in __skb_queue_purge include/linux/skbuff.h:3181 [inline] BUG: KASAN: slab-use-after-free in kcm_release+0x170/0x4c8 net/kcm/kcmsock.c:1691 Read of size 8 at addr ffff0000ced0fc80 by task syz-executor329/6167 CPU: 1 PID: 6167 Comm: syz-executor329 Tainted: G B 6.8.0-rc5-syzkaller-g9abbc24128bc #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/25/2024 Call trace: dump_backtrace+0x1b8/0x1e4 arch/arm64/kernel/stacktrace.c:291 show_stack+0x2c/0x3c arch/arm64/kernel/stacktrace.c:298 __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0xd0/0x124 lib/dump_stack.c:106 print_address_description mm/kasan/report.c:377 [inline] print_report+0x178/0x518 mm/kasan/report.c:488 kasan_report+0xd8/0x138 mm/kasan/report.c:601 __asan_report_load8_noabort+0x20/0x2c mm/kasan/report_generic.c:381 __skb_unlink include/linux/skbuff.h:2366 [inline] __skb_dequeue include/linux/skbuff.h:2385 [inline] __skb_queue_purge_reason include/linux/skbuff.h:3175 [inline] __skb_queue_purge include/linux/skbuff.h:3181 [inline] kcm_release+0x170/0x4c8 net/kcm/kcmsock.c:1691 __sock_release net/socket.c:659 [inline] sock_close+0xa4/0x1e8 net/socket.c:1421 __fput+0x30c/0x738 fs/file_table.c:376 ____fput+0x20/0x30 fs/file_table.c:404 task_work_run+0x230/0x2e0 kernel/task_work.c:180 exit_task_work include/linux/task_work.h:38 [inline] do_exit+0x618/0x1f64 kernel/exit.c:871 do_group_exit+0x194/0x22c kernel/exit.c:1020 get_signal+0x1500/0x15ec kernel/signal.c:2893 do_signal+0x23c/0x3b44 arch/arm64/kernel/signal.c:1249 do_notify_resume+0x74/0x1f4 arch/arm64/kernel/entry-common.c:148 exit_to_user_mode_prepare arch/arm64/kernel/entry-common.c:169 [inline] exit_to_user_mode arch/arm64/kernel/entry-common.c:178 [inline] el0_svc+0xac/0x168 arch/arm64/kernel/entry-common.c:713 el0t_64_sync_handler+0x84/0xfc arch/arm64/kernel/entry-common.c:730 el0t_64_sync+0x190/0x194 arch/arm64/kernel/entry.S:598 Allocated by task 6166: kasan_save_stack mm/kasan/common.c:47 [inline] kasan_save_track+0x40/0x78 mm/kasan/common.c:68 kasan_save_alloc_info+0x70/0x84 mm/kasan/generic.c:626 unpoison_slab_object mm/kasan/common.c:314 [inline] __kasan_slab_alloc+0x74/0x8c mm/kasan/common.c:340 kasan_slab_alloc include/linux/kasan.h:201 [inline] slab_post_alloc_hook mm/slub.c:3813 [inline] slab_alloc_node mm/slub.c:3860 [inline] kmem_cache_alloc_node+0x204/0x4c0 mm/slub.c:3903 __alloc_skb+0x19c/0x3d8 net/core/skbuff.c:641 alloc_skb include/linux/skbuff.h:1296 [inline] kcm_sendmsg+0x1d3c/0x2124 net/kcm/kcmsock.c:783 sock_sendmsg_nosec net/socket.c:730 [inline] __sock_sendmsg net/socket.c:745 [inline] sock_sendmsg+0x220/0x2c0 net/socket.c:768 splice_to_socket+0x7cc/0xd58 fs/splice.c:889 do_splice_from fs/splice.c:941 [inline] direct_splice_actor+0xec/0x1d8 fs/splice.c:1164 splice_direct_to_actor+0x438/0xa0c fs/splice.c:1108 do_splice_direct_actor fs/splice.c:1207 [inline] do_splice_direct+0x1e4/0x304 fs/splice.c:1233 do_sendfile+0x460/0xb3c fs/read_write.c:1295 __do_sys_sendfile64 fs/read_write.c:1362 [inline] __se_sys_sendfile64 fs/read_write.c:1348 [inline] __arm64_sys_sendfile64+0x160/0x3b4 fs/read_write.c:1348 __invoke_syscall arch/arm64/kernel/syscall.c:37 [inline] invoke_syscall+0x98/0x2b8 arch/arm64/kernel/syscall.c:51 el0_svc_common+0x130/0x23c arch/arm64/kernel/syscall.c:136 do_el0_svc+0x48/0x58 arch/arm64/kernel/syscall.c:155 el0_svc+0x54/0x168 arch/arm64/kernel/entry-common.c:712 el0t_64_sync_handler+0x84/0xfc arch/arm64/kernel/entry-common.c:730 el0t_64_sync+0x190/0x194 arch/arm64/kernel/entry.S:598 Freed by task 6167: kasan_save_stack mm/kasan/common.c:47 [inline] kasan_save_track+0x40/0x78 mm/kasan/common.c:68 kasan_save_free_info+0x5c/0x74 mm/kasan/generic.c:640 poison_slab_object+0x124/0x18c mm/kasan/common.c:241 __kasan_slab_free+0x3c/0x78 mm/kasan/common.c:257 kasan_slab_free include/linux/kasan.h:184 [inline] slab_free_hook mm/slub.c:2121 [inline] slab_free mm/slub.c:4299 [inline] kmem_cache_free+0x15c/0x3d4 mm/slub.c:4363 kfree_skbmem+0x10c/0x19c __kfree_skb net/core/skbuff.c:1109 [inline] kfree_skb_reason+0x240/0x6f4 net/core/skbuff.c:1144 kfree_skb include/linux/skbuff.h:1244 [inline] kcm_release+0x104/0x4c8 net/kcm/kcmsock.c:1685 __sock_release net/socket.c:659 [inline] sock_close+0xa4/0x1e8 net/socket.c:1421 __fput+0x30c/0x738 fs/file_table.c:376 ____fput+0x20/0x30 fs/file_table.c:404 task_work_run+0x230/0x2e0 kernel/task_work.c:180 exit_task_work include/linux/task_work.h:38 [inline] do_exit+0x618/0x1f64 kernel/exit.c:871 do_group_exit+0x194/0x22c kernel/exit.c:1020 get_signal+0x1500/0x15ec kernel/signal.c:2893 do_signal+0x23c/0x3b44 arch/arm64/kernel/signal.c:1249 do_notify_resume+0x74/0x1f4 arch/arm64/kernel/entry-common.c:148 exit_to_user_mode_prepare arch/arm64/kernel/entry-common.c:169 [inline] exit_to_user_mode arch/arm64/kernel/entry-common.c:178 [inline] el0_svc+0xac/0x168 arch/arm64/kernel/entry-common.c:713 el0t_64_sync_handler+0x84/0xfc arch/arm64/kernel/entry-common.c:730 el0t_64_sync+0x190/0x194 arch/arm64/kernel/entry.S:598 The buggy address belongs to the object at ffff0000ced0fc80 which belongs to the cache skbuff_head_cache of size 240 The buggy address is located 0 bytes inside of freed 240-byte region [ffff0000ced0fc80, ffff0000ced0fd70) The buggy address belongs to the physical page: page:00000000d35f4ae4 refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x10ed0f flags: 0x5ffc00000000800(slab|node=0|zone=2|lastcpupid=0x7ff) page_type: 0xffffffff() raw: 05ffc00000000800 ffff0000c1cbf640 fffffdffc3423100 dead000000000004 raw: 0000000000000000 00000000000c000c 00000001ffffffff 0000000000000000 page dumped because: kasan: bad access detected Memory state around the buggy address: ffff0000ced0fb80: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb ffff0000ced0fc00: fb fb fb fb fb fb fc fc fc fc fc fc fc fc fc fc >ffff0000ced0fc80: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb ^ ffff0000ced0fd00: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fc fc ffff0000ced0fd80: fc fc fc fc fc fc fc fc fa fb fb fb fb fb fb fb Fixes: ab7ac4eb9832 ("kcm: Kernel Connection Multiplexor module") Reported-by: syzbot+b72d86aa5df17ce74c60@syzkaller.appspotmail.com Closes: https://syzkaller.appspot.com/bug?extid=b72d86aa5df17ce74c60 Tested-by: syzbot+b72d86aa5df17ce74c60@syzkaller.appspotmail.com Signed-off-by: Kuniyuki Iwashima Reviewed-by: Eric Dumazet Link: https://patch.msgid.link/20240815220437.69511-1-kuniyu@amazon.com Signed-off-by: Jakub Kicinski Signed-off-by: Sasha Levin --- include/net/kcm.h | 1 + net/kcm/kcmsock.c | 4 ++++ 2 files changed, 5 insertions(+) diff --git a/include/net/kcm.h b/include/net/kcm.h index 2d704f8f4905..8e8252e08a9c 100644 --- a/include/net/kcm.h +++ b/include/net/kcm.h @@ -70,6 +70,7 @@ struct kcm_sock { struct work_struct tx_work; struct list_head wait_psock_list; struct sk_buff *seq_skb; + struct mutex tx_mutex; u32 tx_stopped : 1; /* Don't use bit fields here, these are set under different locks */ diff --git a/net/kcm/kcmsock.c b/net/kcm/kcmsock.c index 7420b4f19b45..2f2840aa4a81 100644 --- a/net/kcm/kcmsock.c +++ b/net/kcm/kcmsock.c @@ -911,6 +911,7 @@ static int kcm_sendmsg(struct socket *sock, struct msghdr *msg, size_t len) !(msg->msg_flags & MSG_MORE) : !!(msg->msg_flags & MSG_EOR); int err = -EPIPE; + mutex_lock(&kcm->tx_mutex); lock_sock(sk); /* Per tcp_sendmsg this should be in poll */ @@ -1059,6 +1060,7 @@ static int kcm_sendmsg(struct socket *sock, struct msghdr *msg, size_t len) KCM_STATS_ADD(kcm->stats.tx_bytes, copied); release_sock(sk); + mutex_unlock(&kcm->tx_mutex); return copied; out_error: @@ -1084,6 +1086,7 @@ static int kcm_sendmsg(struct socket *sock, struct msghdr *msg, size_t len) sk->sk_write_space(sk); release_sock(sk); + mutex_unlock(&kcm->tx_mutex); return err; } @@ -1326,6 +1329,7 @@ static void init_kcm_sock(struct kcm_sock *kcm, struct kcm_mux *mux) spin_unlock_bh(&mux->lock); INIT_WORK(&kcm->tx_work, kcm_tx_work); + mutex_init(&kcm->tx_mutex); spin_lock_bh(&mux->rx_lock); kcm_rcv_ready(kcm); From 4d42a2257ba6cce640720570a783638661d6e157 Mon Sep 17 00:00:00 2001 From: Sebastian Andrzej Siewior Date: Tue, 20 Aug 2024 09:54:31 +0200 Subject: [PATCH 436/702] netfilter: nft_counter: Synchronize nft_counter_reset() against reader. [ Upstream commit a0b39e2dc7017ac667b70bdeee5293e410fab2fb ] nft_counter_reset() resets the counter by subtracting the previously retrieved value from the counter. This is a write operation on the counter and as such it requires to be performed with a write sequence of nft_counter_seq to serialize against its possible reader. Update the packets/ bytes within write-sequence of nft_counter_seq. Fixes: d84701ecbcd6a ("netfilter: nft_counter: rework atomic dump and reset") Signed-off-by: Sebastian Andrzej Siewior Reviewed-by: Florian Westphal Signed-off-by: Pablo Neira Ayuso Signed-off-by: Sasha Levin --- net/netfilter/nft_counter.c | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/net/netfilter/nft_counter.c b/net/netfilter/nft_counter.c index 75fa6fcd6cd6..ea102b9a168b 100644 --- a/net/netfilter/nft_counter.c +++ b/net/netfilter/nft_counter.c @@ -105,11 +105,16 @@ static void nft_counter_reset(struct nft_counter_percpu_priv *priv, struct nft_counter *total) { struct nft_counter *this_cpu; + seqcount_t *myseq; local_bh_disable(); this_cpu = this_cpu_ptr(priv->counter); + myseq = this_cpu_ptr(&nft_counter_seq); + + write_seqcount_begin(myseq); this_cpu->packets -= total->packets; this_cpu->bytes -= total->bytes; + write_seqcount_end(myseq); local_bh_enable(); } From 6e630e1d7740367673f5936db8e1812efbf7a86e Mon Sep 17 00:00:00 2001 From: Thomas Bogendoerfer Date: Thu, 15 Aug 2024 17:14:16 +0200 Subject: [PATCH 437/702] ip6_tunnel: Fix broken GRO [ Upstream commit 4b3e33fcc38f7750604b065c55a43e94c5bc3145 ] GRO code checks for matching layer 2 headers to see, if packet belongs to the same flow and because ip6 tunnel set dev->hard_header_len this check fails in cases, where it shouldn't. To fix this don't set hard_header_len, but use needed_headroom like ipv4/ip_tunnel.c does. Fixes: 1da177e4c3f4 ("Linux-2.6.12-rc2") Signed-off-by: Thomas Bogendoerfer Link: https://patch.msgid.link/20240815151419.109864-1-tbogendoerfer@suse.de Signed-off-by: Paolo Abeni Signed-off-by: Sasha Levin --- net/ipv6/ip6_tunnel.c | 12 +++++++----- 1 file changed, 7 insertions(+), 5 deletions(-) diff --git a/net/ipv6/ip6_tunnel.c b/net/ipv6/ip6_tunnel.c index d1f819238414..bd27204725ed 100644 --- a/net/ipv6/ip6_tunnel.c +++ b/net/ipv6/ip6_tunnel.c @@ -1531,7 +1531,8 @@ static void ip6_tnl_link_config(struct ip6_tnl *t) tdev = __dev_get_by_index(t->net, p->link); if (tdev) { - dev->hard_header_len = tdev->hard_header_len + t_hlen; + dev->needed_headroom = tdev->hard_header_len + + tdev->needed_headroom + t_hlen; mtu = min_t(unsigned int, tdev->mtu, IP6_MAX_MTU); mtu = mtu - t_hlen; @@ -1758,7 +1759,9 @@ ip6_tnl_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd) int ip6_tnl_change_mtu(struct net_device *dev, int new_mtu) { struct ip6_tnl *tnl = netdev_priv(dev); + int t_hlen; + t_hlen = tnl->hlen + sizeof(struct ipv6hdr); if (tnl->parms.proto == IPPROTO_IPV6) { if (new_mtu < IPV6_MIN_MTU) return -EINVAL; @@ -1767,10 +1770,10 @@ int ip6_tnl_change_mtu(struct net_device *dev, int new_mtu) return -EINVAL; } if (tnl->parms.proto == IPPROTO_IPV6 || tnl->parms.proto == 0) { - if (new_mtu > IP6_MAX_MTU - dev->hard_header_len) + if (new_mtu > IP6_MAX_MTU - dev->hard_header_len - t_hlen) return -EINVAL; } else { - if (new_mtu > IP_MAX_MTU - dev->hard_header_len) + if (new_mtu > IP_MAX_MTU - dev->hard_header_len - t_hlen) return -EINVAL; } dev->mtu = new_mtu; @@ -1916,12 +1919,11 @@ ip6_tnl_dev_init_gen(struct net_device *dev) t_hlen = t->hlen + sizeof(struct ipv6hdr); dev->type = ARPHRD_TUNNEL6; - dev->hard_header_len = LL_MAX_HEADER + t_hlen; dev->mtu = ETH_DATA_LEN - t_hlen; if (!(t->parms.flags & IP6_TNL_F_IGN_ENCAP_LIMIT)) dev->mtu -= 8; dev->min_mtu = ETH_MIN_MTU; - dev->max_mtu = IP6_MAX_MTU - dev->hard_header_len; + dev->max_mtu = IP6_MAX_MTU - dev->hard_header_len - t_hlen; dev_hold(dev); return 0; From e8c85f2ff3693f51ade464128a47f8d2b4e0ab0b Mon Sep 17 00:00:00 2001 From: Nikolay Aleksandrov Date: Fri, 16 Aug 2024 14:48:10 +0300 Subject: [PATCH 438/702] bonding: fix bond_ipsec_offload_ok return type [ Upstream commit fc59b9a5f7201b9f7272944596113a82cc7773d5 ] Fix the return type which should be bool. Fixes: 955b785ec6b3 ("bonding: fix suspicious RCU usage in bond_ipsec_offload_ok()") Signed-off-by: Nikolay Aleksandrov Reviewed-by: Hangbin Liu Signed-off-by: Paolo Abeni Signed-off-by: Sasha Levin --- drivers/net/bonding/bond_main.c | 18 ++++++------------ 1 file changed, 6 insertions(+), 12 deletions(-) diff --git a/drivers/net/bonding/bond_main.c b/drivers/net/bonding/bond_main.c index c07b9bac1a6a..349f1c9dd588 100644 --- a/drivers/net/bonding/bond_main.c +++ b/drivers/net/bonding/bond_main.c @@ -557,34 +557,28 @@ static bool bond_ipsec_offload_ok(struct sk_buff *skb, struct xfrm_state *xs) struct net_device *real_dev; struct slave *curr_active; struct bonding *bond; - int err; + bool ok = false; bond = netdev_priv(bond_dev); rcu_read_lock(); curr_active = rcu_dereference(bond->curr_active_slave); real_dev = curr_active->dev; - if (BOND_MODE(bond) != BOND_MODE_ACTIVEBACKUP) { - err = false; + if (BOND_MODE(bond) != BOND_MODE_ACTIVEBACKUP) goto out; - } - if (!xs->xso.real_dev) { - err = false; + if (!xs->xso.real_dev) goto out; - } if (!real_dev->xfrmdev_ops || !real_dev->xfrmdev_ops->xdo_dev_offload_ok || - netif_is_bond_master(real_dev)) { - err = false; + netif_is_bond_master(real_dev)) goto out; - } - err = real_dev->xfrmdev_ops->xdo_dev_offload_ok(skb, xs); + ok = real_dev->xfrmdev_ops->xdo_dev_offload_ok(skb, xs); out: rcu_read_unlock(); - return err; + return ok; } static const struct xfrmdev_ops bond_xfrmdev_ops = { From 81216b9352be43f8958092d379f6dec85443c309 Mon Sep 17 00:00:00 2001 From: Nikolay Aleksandrov Date: Fri, 16 Aug 2024 14:48:11 +0300 Subject: [PATCH 439/702] bonding: fix null pointer deref in bond_ipsec_offload_ok [ Upstream commit 95c90e4ad89d493a7a14fa200082e466e2548f9d ] We must check if there is an active slave before dereferencing the pointer. Fixes: 18cb261afd7b ("bonding: support hardware encryption offload to slaves") Signed-off-by: Nikolay Aleksandrov Reviewed-by: Hangbin Liu Reviewed-by: Eric Dumazet Signed-off-by: Paolo Abeni Signed-off-by: Sasha Levin --- drivers/net/bonding/bond_main.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/drivers/net/bonding/bond_main.c b/drivers/net/bonding/bond_main.c index 349f1c9dd588..bd74b2d64ad4 100644 --- a/drivers/net/bonding/bond_main.c +++ b/drivers/net/bonding/bond_main.c @@ -562,6 +562,8 @@ static bool bond_ipsec_offload_ok(struct sk_buff *skb, struct xfrm_state *xs) bond = netdev_priv(bond_dev); rcu_read_lock(); curr_active = rcu_dereference(bond->curr_active_slave); + if (!curr_active) + goto out; real_dev = curr_active->dev; if (BOND_MODE(bond) != BOND_MODE_ACTIVEBACKUP) From 21816b696c172c19d53a30d45ee005cce246ed21 Mon Sep 17 00:00:00 2001 From: Nikolay Aleksandrov Date: Fri, 16 Aug 2024 14:48:12 +0300 Subject: [PATCH 440/702] bonding: fix xfrm real_dev null pointer dereference [ Upstream commit f8cde9805981c50d0c029063dc7d82821806fc44 ] We shouldn't set real_dev to NULL because packets can be in transit and xfrm might call xdo_dev_offload_ok() in parallel. All callbacks assume real_dev is set. Example trace: kernel: BUG: unable to handle page fault for address: 0000000000001030 kernel: bond0: (slave eni0np1): making interface the new active one kernel: #PF: supervisor write access in kernel mode kernel: #PF: error_code(0x0002) - not-present page kernel: PGD 0 P4D 0 kernel: Oops: 0002 [#1] PREEMPT SMP kernel: CPU: 4 PID: 2237 Comm: ping Not tainted 6.7.7+ #12 kernel: Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-2.fc40 04/01/2014 kernel: RIP: 0010:nsim_ipsec_offload_ok+0xc/0x20 [netdevsim] kernel: bond0: (slave eni0np1): bond_ipsec_add_sa_all: failed to add SA kernel: Code: e0 0f 0b 48 83 7f 38 00 74 de 0f 0b 48 8b 47 08 48 8b 37 48 8b 78 40 e9 b2 e5 9a d7 66 90 0f 1f 44 00 00 48 8b 86 80 02 00 00 <83> 80 30 10 00 00 01 b8 01 00 00 00 c3 0f 1f 80 00 00 00 00 0f 1f kernel: bond0: (slave eni0np1): making interface the new active one kernel: RSP: 0018:ffffabde81553b98 EFLAGS: 00010246 kernel: bond0: (slave eni0np1): bond_ipsec_add_sa_all: failed to add SA kernel: kernel: RAX: 0000000000000000 RBX: ffff9eb404e74900 RCX: ffff9eb403d97c60 kernel: RDX: ffffffffc090de10 RSI: ffff9eb404e74900 RDI: ffff9eb3c5de9e00 kernel: RBP: ffff9eb3c0a42000 R08: 0000000000000010 R09: 0000000000000014 kernel: R10: 7974203030303030 R11: 3030303030303030 R12: 0000000000000000 kernel: R13: ffff9eb3c5de9e00 R14: ffffabde81553cc8 R15: ffff9eb404c53000 kernel: FS: 00007f2a77a3ad00(0000) GS:ffff9eb43bd00000(0000) knlGS:0000000000000000 kernel: CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 kernel: CR2: 0000000000001030 CR3: 00000001122ab000 CR4: 0000000000350ef0 kernel: bond0: (slave eni0np1): making interface the new active one kernel: Call Trace: kernel: kernel: ? __die+0x1f/0x60 kernel: bond0: (slave eni0np1): bond_ipsec_add_sa_all: failed to add SA kernel: ? page_fault_oops+0x142/0x4c0 kernel: ? do_user_addr_fault+0x65/0x670 kernel: ? kvm_read_and_reset_apf_flags+0x3b/0x50 kernel: bond0: (slave eni0np1): making interface the new active one kernel: ? exc_page_fault+0x7b/0x180 kernel: ? asm_exc_page_fault+0x22/0x30 kernel: ? nsim_bpf_uninit+0x50/0x50 [netdevsim] kernel: bond0: (slave eni0np1): bond_ipsec_add_sa_all: failed to add SA kernel: ? nsim_ipsec_offload_ok+0xc/0x20 [netdevsim] kernel: bond0: (slave eni0np1): making interface the new active one kernel: bond_ipsec_offload_ok+0x7b/0x90 [bonding] kernel: xfrm_output+0x61/0x3b0 kernel: bond0: (slave eni0np1): bond_ipsec_add_sa_all: failed to add SA kernel: ip_push_pending_frames+0x56/0x80 Fixes: 18cb261afd7b ("bonding: support hardware encryption offload to slaves") Signed-off-by: Nikolay Aleksandrov Reviewed-by: Hangbin Liu Signed-off-by: Paolo Abeni Signed-off-by: Sasha Levin --- drivers/net/bonding/bond_main.c | 1 - 1 file changed, 1 deletion(-) diff --git a/drivers/net/bonding/bond_main.c b/drivers/net/bonding/bond_main.c index bd74b2d64ad4..506b6d1cc27d 100644 --- a/drivers/net/bonding/bond_main.c +++ b/drivers/net/bonding/bond_main.c @@ -540,7 +540,6 @@ static void bond_ipsec_del_sa_all(struct bonding *bond) } else { slave->dev->xfrmdev_ops->xdo_dev_state_delete(ipsec->xs); } - ipsec->xs->xso.real_dev = NULL; } spin_unlock_bh(&bond->ipsec_lock); rcu_read_unlock(); From 5c144835448a8bd75948f39ba08bf79ce325bbc3 Mon Sep 17 00:00:00 2001 From: Nikolay Aleksandrov Date: Fri, 16 Aug 2024 14:48:13 +0300 Subject: [PATCH 441/702] bonding: fix xfrm state handling when clearing active slave [ Upstream commit c4c5c5d2ef40a9f67a9241dc5422eac9ffe19547 ] If the active slave is cleared manually the xfrm state is not flushed. This leads to xfrm add/del imbalance and adding the same state multiple times. For example when the device cannot handle anymore states we get: [ 1169.884811] bond0: (slave eni0np1): bond_ipsec_add_sa_all: failed to add SA because it's filled with the same state after multiple active slave clearings. This change also has a few nice side effects: user-space gets a notification for the change, the old device gets its mac address and promisc/mcast adjusted properly. Fixes: 18cb261afd7b ("bonding: support hardware encryption offload to slaves") Signed-off-by: Nikolay Aleksandrov Reviewed-by: Hangbin Liu Signed-off-by: Paolo Abeni Signed-off-by: Sasha Levin --- drivers/net/bonding/bond_options.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/net/bonding/bond_options.c b/drivers/net/bonding/bond_options.c index fa0bf77870d4..acc618574994 100644 --- a/drivers/net/bonding/bond_options.c +++ b/drivers/net/bonding/bond_options.c @@ -822,7 +822,7 @@ static int bond_option_active_slave_set(struct bonding *bond, /* check to see if we are clearing active */ if (!slave_dev) { netdev_dbg(bond->dev, "Clearing current active slave\n"); - RCU_INIT_POINTER(bond->curr_active_slave, NULL); + bond_change_active_slave(bond, NULL); bond_select_active_slave(bond); } else { struct slave *old_active = rtnl_dereference(bond->curr_active_slave); From 544571911bc681094171d88d1348ffc4f72f7fc1 Mon Sep 17 00:00:00 2001 From: Maciej Fijalkowski Date: Wed, 7 Aug 2024 12:53:25 +0200 Subject: [PATCH 442/702] ice: fix ICE_LAST_OFFSET formula [ Upstream commit b966ad832942b5a11e002f9b5ef102b08425b84a ] For bigger PAGE_SIZE archs, ice driver works on 3k Rx buffers. Therefore, ICE_LAST_OFFSET should take into account ICE_RXBUF_3072, not ICE_RXBUF_2048. Fixes: 7237f5b0dba4 ("ice: introduce legacy Rx flag") Suggested-by: Luiz Capitulino Signed-off-by: Maciej Fijalkowski Tested-by: Chandan Kumar Rout (A Contingent Worker at Intel) Signed-off-by: Tony Nguyen Signed-off-by: Sasha Levin --- drivers/net/ethernet/intel/ice/ice_txrx.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/net/ethernet/intel/ice/ice_txrx.c b/drivers/net/ethernet/intel/ice/ice_txrx.c index 442a9bcbf60a..7734264d570d 100644 --- a/drivers/net/ethernet/intel/ice/ice_txrx.c +++ b/drivers/net/ethernet/intel/ice/ice_txrx.c @@ -786,7 +786,7 @@ ice_can_reuse_rx_page(struct ice_rx_buf *rx_buf, int rx_buf_pgcnt) return false; #else #define ICE_LAST_OFFSET \ - (SKB_WITH_OVERHEAD(PAGE_SIZE) - ICE_RXBUF_2048) + (SKB_WITH_OVERHEAD(PAGE_SIZE) - ICE_RXBUF_3072) if (rx_buf->page_offset > ICE_LAST_OFFSET) return false; #endif /* PAGE_SIZE < 8192) */ From 5d8aed3ca688595908701aa50127e51046526108 Mon Sep 17 00:00:00 2001 From: "Hans J. Schultz" Date: Fri, 9 Dec 2022 19:28:15 +0200 Subject: [PATCH 443/702] net: dsa: mv88e6xxx: read FID when handling ATU violations [ Upstream commit 4bf24ad09bc0b05e97fb48b962b2c9246fc76727 ] When an ATU violation occurs, the switch uses the ATU FID register to report the FID of the MAC address that incurred the violation. It would be good for the driver to know the FID value for purposes such as logging and CPU-based authentication. Up until now, the driver has been calling the mv88e6xxx_g1_atu_op() function to read ATU violations, but that doesn't do exactly what we want, namely it calls mv88e6xxx_g1_atu_fid_write() with FID 0. (side note, the documentation for the ATU Get/Clear Violation command says that writes to the ATU FID register have no effect before the operation starts, it's only that we disregard the value that this register provides once the operation completes) So mv88e6xxx_g1_atu_fid_write() is not what we want, but rather mv88e6xxx_g1_atu_fid_read(). However, the latter doesn't exist, we need to write it. The remainder of mv88e6xxx_g1_atu_op() except for mv88e6xxx_g1_atu_fid_write() is still needed, namely to send a GET_CLR_VIOLATION command to the ATU. In principle we could have still kept calling mv88e6xxx_g1_atu_op(), but the MDIO writes to the ATU FID register are pointless, but in the interest of doing less CPU work per interrupt, write a new function called mv88e6xxx_g1_read_atu_violation() and call it. The FID will be the port default FID as set by mv88e6xxx_port_set_fid() if the VID from the packet cannot be found in the VTU. Otherwise it is the FID derived from the VTU entry associated with that VID. Signed-off-by: Hans J. Schultz Signed-off-by: Vladimir Oltean Reviewed-by: Florian Fainelli Signed-off-by: Jakub Kicinski Stable-dep-of: 528876d867a2 ("net: dsa: mv88e6xxx: Fix out-of-bound access") Signed-off-by: Sasha Levin --- drivers/net/dsa/mv88e6xxx/global1_atu.c | 72 +++++++++++++++++++++---- 1 file changed, 61 insertions(+), 11 deletions(-) diff --git a/drivers/net/dsa/mv88e6xxx/global1_atu.c b/drivers/net/dsa/mv88e6xxx/global1_atu.c index bac9a8a68e50..b5580042250f 100644 --- a/drivers/net/dsa/mv88e6xxx/global1_atu.c +++ b/drivers/net/dsa/mv88e6xxx/global1_atu.c @@ -114,6 +114,19 @@ static int mv88e6xxx_g1_atu_op_wait(struct mv88e6xxx_chip *chip) return mv88e6xxx_g1_wait_bit(chip, MV88E6XXX_G1_ATU_OP, bit, 0); } +static int mv88e6xxx_g1_read_atu_violation(struct mv88e6xxx_chip *chip) +{ + int err; + + err = mv88e6xxx_g1_write(chip, MV88E6XXX_G1_ATU_OP, + MV88E6XXX_G1_ATU_OP_BUSY | + MV88E6XXX_G1_ATU_OP_GET_CLR_VIOLATION); + if (err) + return err; + + return mv88e6xxx_g1_atu_op_wait(chip); +} + static int mv88e6xxx_g1_atu_op(struct mv88e6xxx_chip *chip, u16 fid, u16 op) { u16 val; @@ -159,6 +172,41 @@ int mv88e6xxx_g1_atu_get_next(struct mv88e6xxx_chip *chip, u16 fid) return mv88e6xxx_g1_atu_op(chip, fid, MV88E6XXX_G1_ATU_OP_GET_NEXT_DB); } +static int mv88e6xxx_g1_atu_fid_read(struct mv88e6xxx_chip *chip, u16 *fid) +{ + u16 val = 0, upper = 0, op = 0; + int err = -EOPNOTSUPP; + + if (mv88e6xxx_num_databases(chip) > 256) { + err = mv88e6xxx_g1_read(chip, MV88E6352_G1_ATU_FID, &val); + val &= 0xfff; + if (err) + return err; + } else { + err = mv88e6xxx_g1_read(chip, MV88E6XXX_G1_ATU_OP, &op); + if (err) + return err; + if (mv88e6xxx_num_databases(chip) > 64) { + /* ATU DBNum[7:4] are located in ATU Control 15:12 */ + err = mv88e6xxx_g1_read(chip, MV88E6XXX_G1_ATU_CTL, + &upper); + if (err) + return err; + + upper = (upper >> 8) & 0x00f0; + } else if (mv88e6xxx_num_databases(chip) > 16) { + /* ATU DBNum[5:4] are located in ATU Operation 9:8 */ + upper = (op >> 4) & 0x30; + } + + /* ATU DBNum[3:0] are located in ATU Operation 3:0 */ + val = (op & 0xf) | upper; + } + *fid = val; + + return err; +} + /* Offset 0x0C: ATU Data Register */ static int mv88e6xxx_g1_atu_data_read(struct mv88e6xxx_chip *chip, @@ -353,14 +401,12 @@ static irqreturn_t mv88e6xxx_g1_atu_prob_irq_thread_fn(int irq, void *dev_id) { struct mv88e6xxx_chip *chip = dev_id; struct mv88e6xxx_atu_entry entry; - int spid; - int err; - u16 val; + int err, spid; + u16 val, fid; mv88e6xxx_reg_lock(chip); - err = mv88e6xxx_g1_atu_op(chip, 0, - MV88E6XXX_G1_ATU_OP_GET_CLR_VIOLATION); + err = mv88e6xxx_g1_read_atu_violation(chip); if (err) goto out; @@ -368,6 +414,10 @@ static irqreturn_t mv88e6xxx_g1_atu_prob_irq_thread_fn(int irq, void *dev_id) if (err) goto out; + err = mv88e6xxx_g1_atu_fid_read(chip, &fid); + if (err) + goto out; + err = mv88e6xxx_g1_atu_data_read(chip, &entry); if (err) goto out; @@ -386,22 +436,22 @@ static irqreturn_t mv88e6xxx_g1_atu_prob_irq_thread_fn(int irq, void *dev_id) if (val & MV88E6XXX_G1_ATU_OP_MEMBER_VIOLATION) { dev_err_ratelimited(chip->dev, - "ATU member violation for %pM portvec %x spid %d\n", - entry.mac, entry.portvec, spid); + "ATU member violation for %pM fid %u portvec %x spid %d\n", + entry.mac, fid, entry.portvec, spid); chip->ports[spid].atu_member_violation++; } if (val & MV88E6XXX_G1_ATU_OP_MISS_VIOLATION) { dev_err_ratelimited(chip->dev, - "ATU miss violation for %pM portvec %x spid %d\n", - entry.mac, entry.portvec, spid); + "ATU miss violation for %pM fid %u portvec %x spid %d\n", + entry.mac, fid, entry.portvec, spid); chip->ports[spid].atu_miss_violation++; } if (val & MV88E6XXX_G1_ATU_OP_FULL_VIOLATION) { dev_err_ratelimited(chip->dev, - "ATU full violation for %pM portvec %x spid %d\n", - entry.mac, entry.portvec, spid); + "ATU full violation for %pM fid %u portvec %x spid %d\n", + entry.mac, fid, entry.portvec, spid); chip->ports[spid].atu_full_violation++; } mv88e6xxx_reg_unlock(chip); From 5885217d666364f1e6ea8a735034bceff9c0ebb0 Mon Sep 17 00:00:00 2001 From: Vladimir Oltean Date: Fri, 9 Dec 2022 19:28:16 +0200 Subject: [PATCH 444/702] net: dsa: mv88e6xxx: replace ATU violation prints with trace points [ Upstream commit 8646384d80f3d3b4a66b3284dbbd8232d1b8799e ] In applications where the switch ports must perform 802.1X based authentication and are therefore locked, ATU violation interrupts are quite to be expected as part of normal operation. The problem is that they currently spam the kernel log, even if rate limited. Create a series of trace points, all derived from the same event class, which log these violations to the kernel's trace buffer, which is both much faster and much easier to ignore than printing to a serial console. New usage model: $ trace-cmd list | grep mv88e6xxx mv88e6xxx mv88e6xxx:mv88e6xxx_atu_full_violation mv88e6xxx:mv88e6xxx_atu_miss_violation mv88e6xxx:mv88e6xxx_atu_member_violation $ trace-cmd record -e mv88e6xxx sleep 10 Signed-off-by: Vladimir Oltean Reviewed-by: Saeed Mahameed Reviewed-by: Florian Fainelli Signed-off-by: Jakub Kicinski Stable-dep-of: 528876d867a2 ("net: dsa: mv88e6xxx: Fix out-of-bound access") Signed-off-by: Sasha Levin --- drivers/net/dsa/mv88e6xxx/Makefile | 4 ++ drivers/net/dsa/mv88e6xxx/global1_atu.c | 19 +++---- drivers/net/dsa/mv88e6xxx/trace.c | 6 +++ drivers/net/dsa/mv88e6xxx/trace.h | 66 +++++++++++++++++++++++++ 4 files changed, 86 insertions(+), 9 deletions(-) create mode 100644 drivers/net/dsa/mv88e6xxx/trace.c create mode 100644 drivers/net/dsa/mv88e6xxx/trace.h diff --git a/drivers/net/dsa/mv88e6xxx/Makefile b/drivers/net/dsa/mv88e6xxx/Makefile index 4b080b448ce7..1f7240e0d6bc 100644 --- a/drivers/net/dsa/mv88e6xxx/Makefile +++ b/drivers/net/dsa/mv88e6xxx/Makefile @@ -15,3 +15,7 @@ mv88e6xxx-objs += port_hidden.o mv88e6xxx-$(CONFIG_NET_DSA_MV88E6XXX_PTP) += ptp.o mv88e6xxx-objs += serdes.o mv88e6xxx-objs += smi.o +mv88e6xxx-objs += trace.o + +# for tracing framework to find trace.h +CFLAGS_trace.o := -I$(src) diff --git a/drivers/net/dsa/mv88e6xxx/global1_atu.c b/drivers/net/dsa/mv88e6xxx/global1_atu.c index b5580042250f..1a4781a44e0d 100644 --- a/drivers/net/dsa/mv88e6xxx/global1_atu.c +++ b/drivers/net/dsa/mv88e6xxx/global1_atu.c @@ -12,6 +12,7 @@ #include "chip.h" #include "global1.h" +#include "trace.h" /* Offset 0x01: ATU FID Register */ @@ -435,23 +436,23 @@ static irqreturn_t mv88e6xxx_g1_atu_prob_irq_thread_fn(int irq, void *dev_id) } if (val & MV88E6XXX_G1_ATU_OP_MEMBER_VIOLATION) { - dev_err_ratelimited(chip->dev, - "ATU member violation for %pM fid %u portvec %x spid %d\n", - entry.mac, fid, entry.portvec, spid); + trace_mv88e6xxx_atu_member_violation(chip->dev, spid, + entry.portvec, entry.mac, + fid); chip->ports[spid].atu_member_violation++; } if (val & MV88E6XXX_G1_ATU_OP_MISS_VIOLATION) { - dev_err_ratelimited(chip->dev, - "ATU miss violation for %pM fid %u portvec %x spid %d\n", - entry.mac, fid, entry.portvec, spid); + trace_mv88e6xxx_atu_miss_violation(chip->dev, spid, + entry.portvec, entry.mac, + fid); chip->ports[spid].atu_miss_violation++; } if (val & MV88E6XXX_G1_ATU_OP_FULL_VIOLATION) { - dev_err_ratelimited(chip->dev, - "ATU full violation for %pM fid %u portvec %x spid %d\n", - entry.mac, fid, entry.portvec, spid); + trace_mv88e6xxx_atu_full_violation(chip->dev, spid, + entry.portvec, entry.mac, + fid); chip->ports[spid].atu_full_violation++; } mv88e6xxx_reg_unlock(chip); diff --git a/drivers/net/dsa/mv88e6xxx/trace.c b/drivers/net/dsa/mv88e6xxx/trace.c new file mode 100644 index 000000000000..7833cb50ca5d --- /dev/null +++ b/drivers/net/dsa/mv88e6xxx/trace.c @@ -0,0 +1,6 @@ +// SPDX-License-Identifier: GPL-2.0-or-later +/* Copyright 2022 NXP + */ + +#define CREATE_TRACE_POINTS +#include "trace.h" diff --git a/drivers/net/dsa/mv88e6xxx/trace.h b/drivers/net/dsa/mv88e6xxx/trace.h new file mode 100644 index 000000000000..d9ab5c8dee55 --- /dev/null +++ b/drivers/net/dsa/mv88e6xxx/trace.h @@ -0,0 +1,66 @@ +/* SPDX-License-Identifier: GPL-2.0-or-later */ +/* Copyright 2022 NXP + */ + +#undef TRACE_SYSTEM +#define TRACE_SYSTEM mv88e6xxx + +#if !defined(_MV88E6XXX_TRACE_H) || defined(TRACE_HEADER_MULTI_READ) +#define _MV88E6XXX_TRACE_H + +#include +#include +#include + +DECLARE_EVENT_CLASS(mv88e6xxx_atu_violation, + + TP_PROTO(const struct device *dev, int spid, u16 portvec, + const unsigned char *addr, u16 fid), + + TP_ARGS(dev, spid, portvec, addr, fid), + + TP_STRUCT__entry( + __string(name, dev_name(dev)) + __field(int, spid) + __field(u16, portvec) + __array(unsigned char, addr, ETH_ALEN) + __field(u16, fid) + ), + + TP_fast_assign( + __assign_str(name, dev_name(dev)); + __entry->spid = spid; + __entry->portvec = portvec; + memcpy(__entry->addr, addr, ETH_ALEN); + __entry->fid = fid; + ), + + TP_printk("dev %s spid %d portvec 0x%x addr %pM fid %u", + __get_str(name), __entry->spid, __entry->portvec, + __entry->addr, __entry->fid) +); + +DEFINE_EVENT(mv88e6xxx_atu_violation, mv88e6xxx_atu_member_violation, + TP_PROTO(const struct device *dev, int spid, u16 portvec, + const unsigned char *addr, u16 fid), + TP_ARGS(dev, spid, portvec, addr, fid)); + +DEFINE_EVENT(mv88e6xxx_atu_violation, mv88e6xxx_atu_miss_violation, + TP_PROTO(const struct device *dev, int spid, u16 portvec, + const unsigned char *addr, u16 fid), + TP_ARGS(dev, spid, portvec, addr, fid)); + +DEFINE_EVENT(mv88e6xxx_atu_violation, mv88e6xxx_atu_full_violation, + TP_PROTO(const struct device *dev, int spid, u16 portvec, + const unsigned char *addr, u16 fid), + TP_ARGS(dev, spid, portvec, addr, fid)); + +#endif /* _MV88E6XXX_TRACE_H */ + +/* We don't want to use include/trace/events */ +#undef TRACE_INCLUDE_PATH +#define TRACE_INCLUDE_PATH . +#undef TRACE_INCLUDE_FILE +#define TRACE_INCLUDE_FILE trace +/* This part must be outside protection */ +#include From 050e7274ab2150cd212b2372595720e7b83a15bd Mon Sep 17 00:00:00 2001 From: Joseph Huang Date: Mon, 19 Aug 2024 19:52:50 -0400 Subject: [PATCH 445/702] net: dsa: mv88e6xxx: Fix out-of-bound access [ Upstream commit 528876d867a23b5198022baf2e388052ca67c952 ] If an ATU violation was caused by a CPU Load operation, the SPID could be larger than DSA_MAX_PORTS (the size of mv88e6xxx_chip.ports[] array). Fixes: 75c05a74e745 ("net: dsa: mv88e6xxx: Fix counting of ATU violations") Signed-off-by: Joseph Huang Reviewed-by: Andrew Lunn Link: https://patch.msgid.link/20240819235251.1331763-1-Joseph.Huang@garmin.com Signed-off-by: Jakub Kicinski Signed-off-by: Sasha Levin --- drivers/net/dsa/mv88e6xxx/global1_atu.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/drivers/net/dsa/mv88e6xxx/global1_atu.c b/drivers/net/dsa/mv88e6xxx/global1_atu.c index 1a4781a44e0d..79377ceb66af 100644 --- a/drivers/net/dsa/mv88e6xxx/global1_atu.c +++ b/drivers/net/dsa/mv88e6xxx/global1_atu.c @@ -453,7 +453,8 @@ static irqreturn_t mv88e6xxx_g1_atu_prob_irq_thread_fn(int irq, void *dev_id) trace_mv88e6xxx_atu_full_violation(chip->dev, spid, entry.portvec, entry.mac, fid); - chip->ports[spid].atu_full_violation++; + if (spid < ARRAY_SIZE(chip->ports)) + chip->ports[spid].atu_full_violation++; } mv88e6xxx_reg_unlock(chip); From c414000da1c2ea1ba9a5e5bb1a4ba774e51e202d Mon Sep 17 00:00:00 2001 From: Stephen Hemminger Date: Mon, 19 Aug 2024 10:56:45 -0700 Subject: [PATCH 446/702] netem: fix return value if duplicate enqueue fails [ Upstream commit c07ff8592d57ed258afee5a5e04991a48dbaf382 ] There is a bug in netem_enqueue() introduced by commit 5845f706388a ("net: netem: fix skb length BUG_ON in __skb_to_sgvec") that can lead to a use-after-free. This commit made netem_enqueue() always return NET_XMIT_SUCCESS when a packet is duplicated, which can cause the parent qdisc's q.qlen to be mistakenly incremented. When this happens qlen_notify() may be skipped on the parent during destruction, leaving a dangling pointer for some classful qdiscs like DRR. There are two ways for the bug happen: - If the duplicated packet is dropped by rootq->enqueue() and then the original packet is also dropped. - If rootq->enqueue() sends the duplicated packet to a different qdisc and the original packet is dropped. In both cases NET_XMIT_SUCCESS is returned even though no packets are enqueued at the netem qdisc. The fix is to defer the enqueue of the duplicate packet until after the original packet has been guaranteed to return NET_XMIT_SUCCESS. Fixes: 5845f706388a ("net: netem: fix skb length BUG_ON in __skb_to_sgvec") Reported-by: Budimir Markovic Signed-off-by: Stephen Hemminger Reviewed-by: Simon Horman Link: https://patch.msgid.link/20240819175753.5151-1-stephen@networkplumber.org Signed-off-by: Jakub Kicinski Signed-off-by: Sasha Levin --- net/sched/sch_netem.c | 47 ++++++++++++++++++++++++++----------------- 1 file changed, 29 insertions(+), 18 deletions(-) diff --git a/net/sched/sch_netem.c b/net/sched/sch_netem.c index 08aaa6efc62c..e0e16b0fdb17 100644 --- a/net/sched/sch_netem.c +++ b/net/sched/sch_netem.c @@ -437,12 +437,10 @@ static int netem_enqueue(struct sk_buff *skb, struct Qdisc *sch, struct netem_sched_data *q = qdisc_priv(sch); /* We don't fill cb now as skb_unshare() may invalidate it */ struct netem_skb_cb *cb; - struct sk_buff *skb2; + struct sk_buff *skb2 = NULL; struct sk_buff *segs = NULL; unsigned int prev_len = qdisc_pkt_len(skb); int count = 1; - int rc = NET_XMIT_SUCCESS; - int rc_drop = NET_XMIT_DROP; /* Do not fool qdisc_drop_all() */ skb->prev = NULL; @@ -471,19 +469,11 @@ static int netem_enqueue(struct sk_buff *skb, struct Qdisc *sch, skb_orphan_partial(skb); /* - * If we need to duplicate packet, then re-insert at top of the - * qdisc tree, since parent queuer expects that only one - * skb will be queued. + * If we need to duplicate packet, then clone it before + * original is modified. */ - if (count > 1 && (skb2 = skb_clone(skb, GFP_ATOMIC)) != NULL) { - struct Qdisc *rootq = qdisc_root_bh(sch); - u32 dupsave = q->duplicate; /* prevent duplicating a dup... */ - - q->duplicate = 0; - rootq->enqueue(skb2, rootq, to_free); - q->duplicate = dupsave; - rc_drop = NET_XMIT_SUCCESS; - } + if (count > 1) + skb2 = skb_clone(skb, GFP_ATOMIC); /* * Randomized packet corruption. @@ -495,7 +485,8 @@ static int netem_enqueue(struct sk_buff *skb, struct Qdisc *sch, if (skb_is_gso(skb)) { skb = netem_segment(skb, sch, to_free); if (!skb) - return rc_drop; + goto finish_segs; + segs = skb->next; skb_mark_not_on_list(skb); qdisc_skb_cb(skb)->pkt_len = skb->len; @@ -521,7 +512,24 @@ static int netem_enqueue(struct sk_buff *skb, struct Qdisc *sch, /* re-link segs, so that qdisc_drop_all() frees them all */ skb->next = segs; qdisc_drop_all(skb, sch, to_free); - return rc_drop; + if (skb2) + __qdisc_drop(skb2, to_free); + return NET_XMIT_DROP; + } + + /* + * If doing duplication then re-insert at top of the + * qdisc tree, since parent queuer expects that only one + * skb will be queued. + */ + if (skb2) { + struct Qdisc *rootq = qdisc_root_bh(sch); + u32 dupsave = q->duplicate; /* prevent duplicating a dup... */ + + q->duplicate = 0; + rootq->enqueue(skb2, rootq, to_free); + q->duplicate = dupsave; + skb2 = NULL; } qdisc_qstats_backlog_inc(sch, skb); @@ -592,9 +600,12 @@ static int netem_enqueue(struct sk_buff *skb, struct Qdisc *sch, } finish_segs: + if (skb2) + __qdisc_drop(skb2, to_free); + if (segs) { unsigned int len, last_len; - int nb; + int rc, nb; len = skb ? skb->len : 0; nb = skb ? 1 : 0; From cb5880a0de12c7f618d2bdd84e2d985f1e06ed7e Mon Sep 17 00:00:00 2001 From: Eric Dumazet Date: Tue, 20 Aug 2024 16:08:57 +0000 Subject: [PATCH 447/702] ipv6: prevent UAF in ip6_send_skb() [ Upstream commit faa389b2fbaaec7fd27a390b4896139f9da662e3 ] syzbot reported an UAF in ip6_send_skb() [1] After ip6_local_out() has returned, we no longer can safely dereference rt, unless we hold rcu_read_lock(). A similar issue has been fixed in commit a688caa34beb ("ipv6: take rcu lock in rawv6_send_hdrinc()") Another potential issue in ip6_finish_output2() is handled in a separate patch. [1] BUG: KASAN: slab-use-after-free in ip6_send_skb+0x18d/0x230 net/ipv6/ip6_output.c:1964 Read of size 8 at addr ffff88806dde4858 by task syz.1.380/6530 CPU: 1 UID: 0 PID: 6530 Comm: syz.1.380 Not tainted 6.11.0-rc3-syzkaller-00306-gdf6cbc62cc9b #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/06/2024 Call Trace: __dump_stack lib/dump_stack.c:93 [inline] dump_stack_lvl+0x241/0x360 lib/dump_stack.c:119 print_address_description mm/kasan/report.c:377 [inline] print_report+0x169/0x550 mm/kasan/report.c:488 kasan_report+0x143/0x180 mm/kasan/report.c:601 ip6_send_skb+0x18d/0x230 net/ipv6/ip6_output.c:1964 rawv6_push_pending_frames+0x75c/0x9e0 net/ipv6/raw.c:588 rawv6_sendmsg+0x19c7/0x23c0 net/ipv6/raw.c:926 sock_sendmsg_nosec net/socket.c:730 [inline] __sock_sendmsg+0x1a6/0x270 net/socket.c:745 sock_write_iter+0x2dd/0x400 net/socket.c:1160 do_iter_readv_writev+0x60a/0x890 vfs_writev+0x37c/0xbb0 fs/read_write.c:971 do_writev+0x1b1/0x350 fs/read_write.c:1018 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f936bf79e79 Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007f936cd7f038 EFLAGS: 00000246 ORIG_RAX: 0000000000000014 RAX: ffffffffffffffda RBX: 00007f936c115f80 RCX: 00007f936bf79e79 RDX: 0000000000000001 RSI: 0000000020000040 RDI: 0000000000000004 RBP: 00007f936bfe7916 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 0000000000000000 R14: 00007f936c115f80 R15: 00007fff2860a7a8 Allocated by task 6530: kasan_save_stack mm/kasan/common.c:47 [inline] kasan_save_track+0x3f/0x80 mm/kasan/common.c:68 unpoison_slab_object mm/kasan/common.c:312 [inline] __kasan_slab_alloc+0x66/0x80 mm/kasan/common.c:338 kasan_slab_alloc include/linux/kasan.h:201 [inline] slab_post_alloc_hook mm/slub.c:3988 [inline] slab_alloc_node mm/slub.c:4037 [inline] kmem_cache_alloc_noprof+0x135/0x2a0 mm/slub.c:4044 dst_alloc+0x12b/0x190 net/core/dst.c:89 ip6_blackhole_route+0x59/0x340 net/ipv6/route.c:2670 make_blackhole net/xfrm/xfrm_policy.c:3120 [inline] xfrm_lookup_route+0xd1/0x1c0 net/xfrm/xfrm_policy.c:3313 ip6_dst_lookup_flow+0x13e/0x180 net/ipv6/ip6_output.c:1257 rawv6_sendmsg+0x1283/0x23c0 net/ipv6/raw.c:898 sock_sendmsg_nosec net/socket.c:730 [inline] __sock_sendmsg+0x1a6/0x270 net/socket.c:745 ____sys_sendmsg+0x525/0x7d0 net/socket.c:2597 ___sys_sendmsg net/socket.c:2651 [inline] __sys_sendmsg+0x2b0/0x3a0 net/socket.c:2680 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f Freed by task 45: kasan_save_stack mm/kasan/common.c:47 [inline] kasan_save_track+0x3f/0x80 mm/kasan/common.c:68 kasan_save_free_info+0x40/0x50 mm/kasan/generic.c:579 poison_slab_object+0xe0/0x150 mm/kasan/common.c:240 __kasan_slab_free+0x37/0x60 mm/kasan/common.c:256 kasan_slab_free include/linux/kasan.h:184 [inline] slab_free_hook mm/slub.c:2252 [inline] slab_free mm/slub.c:4473 [inline] kmem_cache_free+0x145/0x350 mm/slub.c:4548 dst_destroy+0x2ac/0x460 net/core/dst.c:124 rcu_do_batch kernel/rcu/tree.c:2569 [inline] rcu_core+0xafd/0x1830 kernel/rcu/tree.c:2843 handle_softirqs+0x2c4/0x970 kernel/softirq.c:554 __do_softirq kernel/softirq.c:588 [inline] invoke_softirq kernel/softirq.c:428 [inline] __irq_exit_rcu+0xf4/0x1c0 kernel/softirq.c:637 irq_exit_rcu+0x9/0x30 kernel/softirq.c:649 instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1043 [inline] sysvec_apic_timer_interrupt+0xa6/0xc0 arch/x86/kernel/apic/apic.c:1043 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:702 Last potentially related work creation: kasan_save_stack+0x3f/0x60 mm/kasan/common.c:47 __kasan_record_aux_stack+0xac/0xc0 mm/kasan/generic.c:541 __call_rcu_common kernel/rcu/tree.c:3106 [inline] call_rcu+0x167/0xa70 kernel/rcu/tree.c:3210 refdst_drop include/net/dst.h:263 [inline] skb_dst_drop include/net/dst.h:275 [inline] nf_ct_frag6_queue net/ipv6/netfilter/nf_conntrack_reasm.c:306 [inline] nf_ct_frag6_gather+0xb9a/0x2080 net/ipv6/netfilter/nf_conntrack_reasm.c:485 ipv6_defrag+0x2c8/0x3c0 net/ipv6/netfilter/nf_defrag_ipv6_hooks.c:67 nf_hook_entry_hookfn include/linux/netfilter.h:154 [inline] nf_hook_slow+0xc3/0x220 net/netfilter/core.c:626 nf_hook include/linux/netfilter.h:269 [inline] __ip6_local_out+0x6fa/0x800 net/ipv6/output_core.c:143 ip6_local_out+0x26/0x70 net/ipv6/output_core.c:153 ip6_send_skb+0x112/0x230 net/ipv6/ip6_output.c:1959 rawv6_push_pending_frames+0x75c/0x9e0 net/ipv6/raw.c:588 rawv6_sendmsg+0x19c7/0x23c0 net/ipv6/raw.c:926 sock_sendmsg_nosec net/socket.c:730 [inline] __sock_sendmsg+0x1a6/0x270 net/socket.c:745 sock_write_iter+0x2dd/0x400 net/socket.c:1160 do_iter_readv_writev+0x60a/0x890 Fixes: 0625491493d9 ("ipv6: ip6_push_pending_frames() should increment IPSTATS_MIB_OUTDISCARDS") Signed-off-by: Eric Dumazet Reported-by: syzbot Reviewed-by: David Ahern Link: https://patch.msgid.link/20240820160859.3786976-2-edumazet@google.com Signed-off-by: Jakub Kicinski Signed-off-by: Sasha Levin --- net/ipv6/ip6_output.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/net/ipv6/ip6_output.c b/net/ipv6/ip6_output.c index 32512b8ca5e7..436733021b1e 100644 --- a/net/ipv6/ip6_output.c +++ b/net/ipv6/ip6_output.c @@ -1952,6 +1952,7 @@ int ip6_send_skb(struct sk_buff *skb) struct rt6_info *rt = (struct rt6_info *)skb_dst(skb); int err; + rcu_read_lock(); err = ip6_local_out(net, skb->sk, skb); if (err) { if (err > 0) @@ -1961,6 +1962,7 @@ int ip6_send_skb(struct sk_buff *skb) IPSTATS_MIB_OUTDISCARDS); } + rcu_read_unlock(); return err; } From 2884e73978f62b6243f4f5924e3abf2fa95ba3d6 Mon Sep 17 00:00:00 2001 From: Sean Anderson Date: Thu, 22 Aug 2024 11:40:55 -0400 Subject: [PATCH 448/702] net: xilinx: axienet: Always disable promiscuous mode [ Upstream commit 4ae738dfef2c0323752ab81786e2d298c9939321 ] If promiscuous mode is disabled when there are fewer than four multicast addresses, then it will not be reflected in the hardware. Fix this by always clearing the promiscuous mode flag even when we program multicast addresses. Fixes: 8a3b7a252dca ("drivers/net/ethernet/xilinx: added Xilinx AXI Ethernet driver") Signed-off-by: Sean Anderson Reviewed-by: Simon Horman Link: https://patch.msgid.link/20240822154059.1066595-2-sean.anderson@linux.dev Signed-off-by: Jakub Kicinski Signed-off-by: Sasha Levin --- drivers/net/ethernet/xilinx/xilinx_axienet_main.c | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/drivers/net/ethernet/xilinx/xilinx_axienet_main.c b/drivers/net/ethernet/xilinx/xilinx_axienet_main.c index 2a5a3f8761c3..b814ef1da3c7 100644 --- a/drivers/net/ethernet/xilinx/xilinx_axienet_main.c +++ b/drivers/net/ethernet/xilinx/xilinx_axienet_main.c @@ -427,6 +427,10 @@ static void axienet_set_multicast_list(struct net_device *ndev) } else if (!netdev_mc_empty(ndev)) { struct netdev_hw_addr *ha; + reg = axienet_ior(lp, XAE_FMI_OFFSET); + reg &= ~XAE_FMI_PM_MASK; + axienet_iow(lp, XAE_FMI_OFFSET, reg); + i = 0; netdev_for_each_mc_addr(ha, ndev) { if (i >= XAE_MULTICAST_CAM_TABLE_NUM) From ff6607a4777cc0c56b11e8e7cbdc73832f566cfd Mon Sep 17 00:00:00 2001 From: Sean Anderson Date: Thu, 22 Aug 2024 11:40:56 -0400 Subject: [PATCH 449/702] net: xilinx: axienet: Fix dangling multicast addresses [ Upstream commit 797a68c9de0f5a5447baf4bd3bb9c10a3993435b ] If a multicast address is removed but there are still some multicast addresses, that address would remain programmed into the frame filter. Fix this by explicitly setting the enable bit for each filter. Fixes: 8a3b7a252dca ("drivers/net/ethernet/xilinx: added Xilinx AXI Ethernet driver") Signed-off-by: Sean Anderson Reviewed-by: Simon Horman Link: https://patch.msgid.link/20240822154059.1066595-3-sean.anderson@linux.dev Signed-off-by: Jakub Kicinski Signed-off-by: Sasha Levin --- drivers/net/ethernet/xilinx/xilinx_axienet.h | 1 + .../net/ethernet/xilinx/xilinx_axienet_main.c | 21 ++++++++----------- 2 files changed, 10 insertions(+), 12 deletions(-) diff --git a/drivers/net/ethernet/xilinx/xilinx_axienet.h b/drivers/net/ethernet/xilinx/xilinx_axienet.h index c0c93d0e3c7f..071822028ea5 100644 --- a/drivers/net/ethernet/xilinx/xilinx_axienet.h +++ b/drivers/net/ethernet/xilinx/xilinx_axienet.h @@ -169,6 +169,7 @@ #define XAE_UAW0_OFFSET 0x00000700 /* Unicast address word 0 */ #define XAE_UAW1_OFFSET 0x00000704 /* Unicast address word 1 */ #define XAE_FMI_OFFSET 0x00000708 /* Frame Filter Control */ +#define XAE_FFE_OFFSET 0x0000070C /* Frame Filter Enable */ #define XAE_AF0_OFFSET 0x00000710 /* Address Filter 0 */ #define XAE_AF1_OFFSET 0x00000714 /* Address Filter 1 */ diff --git a/drivers/net/ethernet/xilinx/xilinx_axienet_main.c b/drivers/net/ethernet/xilinx/xilinx_axienet_main.c index b814ef1da3c7..3253ace2b601 100644 --- a/drivers/net/ethernet/xilinx/xilinx_axienet_main.c +++ b/drivers/net/ethernet/xilinx/xilinx_axienet_main.c @@ -409,7 +409,7 @@ static int netdev_set_mac_address(struct net_device *ndev, void *p) */ static void axienet_set_multicast_list(struct net_device *ndev) { - int i; + int i = 0; u32 reg, af0reg, af1reg; struct axienet_local *lp = netdev_priv(ndev); @@ -431,7 +431,6 @@ static void axienet_set_multicast_list(struct net_device *ndev) reg &= ~XAE_FMI_PM_MASK; axienet_iow(lp, XAE_FMI_OFFSET, reg); - i = 0; netdev_for_each_mc_addr(ha, ndev) { if (i >= XAE_MULTICAST_CAM_TABLE_NUM) break; @@ -450,6 +449,7 @@ static void axienet_set_multicast_list(struct net_device *ndev) axienet_iow(lp, XAE_FMI_OFFSET, reg); axienet_iow(lp, XAE_AF0_OFFSET, af0reg); axienet_iow(lp, XAE_AF1_OFFSET, af1reg); + axienet_iow(lp, XAE_FFE_OFFSET, 1); i++; } } else { @@ -457,18 +457,15 @@ static void axienet_set_multicast_list(struct net_device *ndev) reg &= ~XAE_FMI_PM_MASK; axienet_iow(lp, XAE_FMI_OFFSET, reg); - - for (i = 0; i < XAE_MULTICAST_CAM_TABLE_NUM; i++) { - reg = axienet_ior(lp, XAE_FMI_OFFSET) & 0xFFFFFF00; - reg |= i; - - axienet_iow(lp, XAE_FMI_OFFSET, reg); - axienet_iow(lp, XAE_AF0_OFFSET, 0); - axienet_iow(lp, XAE_AF1_OFFSET, 0); - } - dev_info(&ndev->dev, "Promiscuous mode disabled.\n"); } + + for (; i < XAE_MULTICAST_CAM_TABLE_NUM; i++) { + reg = axienet_ior(lp, XAE_FMI_OFFSET) & 0xFFFFFF00; + reg |= i; + axienet_iow(lp, XAE_FMI_OFFSET, reg); + axienet_iow(lp, XAE_FFE_OFFSET, 0); + } } /** From e54b082752371fe81e9b21e52b40df13e136071b Mon Sep 17 00:00:00 2001 From: Dmitry Baryshkov Date: Fri, 2 Aug 2024 22:47:34 +0300 Subject: [PATCH 450/702] drm/msm/dpu: don't play tricks with debug macros [ Upstream commit df24373435f5899a2a98b7d377479c8d4376613b ] DPU debugging macros need to be converted to a proper drm_debug_* macros, however this is a going an intrusive patch, not suitable for a fix. Wire DPU_DEBUG and DPU_DEBUG_DRIVER to always use DRM_DEBUG_DRIVER to make sure that DPU debugging messages always end up in the drm debug messages and are controlled via the usual drm.debug mask. I don't think that it is a good idea for a generic DPU_DEBUG macro to be tied to DRM_UT_KMS. It is used to report a debug message from driver, so by default it should go to the DRM_UT_DRIVER channel. While refactoring debug macros later on we might end up with particular messages going to ATOMIC or KMS, but DRIVER should be the default. Fixes: 25fdd5933e4c ("drm/msm: Add SDM845 DPU support") Signed-off-by: Dmitry Baryshkov Reviewed-by: Abhinav Kumar Patchwork: https://patchwork.freedesktop.org/patch/606932/ Link: https://lore.kernel.org/r/20240802-dpu-fix-wb-v2-2-7eac9eb8e895@linaro.org Signed-off-by: Abhinav Kumar Signed-off-by: Sasha Levin --- drivers/gpu/drm/msm/disp/dpu1/dpu_kms.h | 14 ++------------ 1 file changed, 2 insertions(+), 12 deletions(-) diff --git a/drivers/gpu/drm/msm/disp/dpu1/dpu_kms.h b/drivers/gpu/drm/msm/disp/dpu1/dpu_kms.h index bb7c7e437242..31a5646f5493 100644 --- a/drivers/gpu/drm/msm/disp/dpu1/dpu_kms.h +++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_kms.h @@ -32,24 +32,14 @@ * @fmt: Pointer to format string */ #define DPU_DEBUG(fmt, ...) \ - do { \ - if (drm_debug_enabled(DRM_UT_KMS)) \ - DRM_DEBUG(fmt, ##__VA_ARGS__); \ - else \ - pr_debug(fmt, ##__VA_ARGS__); \ - } while (0) + DRM_DEBUG_DRIVER(fmt, ##__VA_ARGS__) /** * DPU_DEBUG_DRIVER - macro for hardware driver logging * @fmt: Pointer to format string */ #define DPU_DEBUG_DRIVER(fmt, ...) \ - do { \ - if (drm_debug_enabled(DRM_UT_DRIVER)) \ - DRM_ERROR(fmt, ##__VA_ARGS__); \ - else \ - pr_debug(fmt, ##__VA_ARGS__); \ - } while (0) + DRM_DEBUG_DRIVER(fmt, ##__VA_ARGS__) #define DPU_ERROR(fmt, ...) pr_err("[dpu error]" fmt, ##__VA_ARGS__) #define DPU_ERROR_RATELIMITED(fmt, ...) pr_err_ratelimited("[dpu error]" fmt, ##__VA_ARGS__) From 4370448fca3aa61fdba8fb94cd49b0595641e664 Mon Sep 17 00:00:00 2001 From: Abhinav Kumar Date: Thu, 25 Jul 2024 15:04:50 -0700 Subject: [PATCH 451/702] drm/msm/dp: reset the link phy params before link training [ Upstream commit 319aca883bfa1b85ee08411541b51b9a934ac858 ] Before re-starting link training reset the link phy params namely the pre-emphasis and voltage swing levels otherwise the next link training begins at the previously cached levels which can result in link training failures. Fixes: 8ede2ecc3e5e ("drm/msm/dp: Add DP compliance tests on Snapdragon Chipsets") Reviewed-by: Dmitry Baryshkov Tested-by: Dmitry Baryshkov # SM8350-HDK Reviewed-by: Stephen Boyd Patchwork: https://patchwork.freedesktop.org/patch/605946/ Link: https://lore.kernel.org/r/20240725220450.131245-1-quic_abhinavk@quicinc.com Signed-off-by: Abhinav Kumar Signed-off-by: Sasha Levin --- drivers/gpu/drm/msm/dp/dp_ctrl.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/drivers/gpu/drm/msm/dp/dp_ctrl.c b/drivers/gpu/drm/msm/dp/dp_ctrl.c index 07becbf3c64f..0b0d86d2121b 100644 --- a/drivers/gpu/drm/msm/dp/dp_ctrl.c +++ b/drivers/gpu/drm/msm/dp/dp_ctrl.c @@ -1246,6 +1246,8 @@ static int dp_ctrl_link_train(struct dp_ctrl_private *ctrl, link_info.rate = ctrl->link->link_params.rate; link_info.capabilities = DP_LINK_CAP_ENHANCED_FRAMING; + dp_link_reset_phy_params_vx_px(ctrl->link); + dp_aux_link_configure(ctrl->aux, &link_info); drm_dp_dpcd_write(ctrl->aux, DP_MAIN_LINK_CHANNEL_CODING_SET, &encoding, 1); From 9b9ba386d7bfdbc38445932c90fa9444c0524bea Mon Sep 17 00:00:00 2001 From: Dan Carpenter Date: Tue, 20 Aug 2024 11:44:08 +0300 Subject: [PATCH 452/702] mmc: mmc_test: Fix NULL dereference on allocation failure [ Upstream commit a1e627af32ed60713941cbfc8075d44cad07f6dd ] If the "test->highmem = alloc_pages()" allocation fails then calling __free_pages(test->highmem) will result in a NULL dereference. Also change the error code to -ENOMEM instead of returning success. Fixes: 2661081f5ab9 ("mmc_test: highmem tests") Signed-off-by: Dan Carpenter Link: https://lore.kernel.org/r/8c90be28-67b4-4b0d-a105-034dc72a0b31@stanley.mountain Signed-off-by: Ulf Hansson Signed-off-by: Sasha Levin --- drivers/mmc/core/mmc_test.c | 9 +++++---- 1 file changed, 5 insertions(+), 4 deletions(-) diff --git a/drivers/mmc/core/mmc_test.c b/drivers/mmc/core/mmc_test.c index b9b6f000154b..9ebd5cebd4e1 100644 --- a/drivers/mmc/core/mmc_test.c +++ b/drivers/mmc/core/mmc_test.c @@ -3125,13 +3125,13 @@ static ssize_t mtf_test_write(struct file *file, const char __user *buf, test->buffer = kzalloc(BUFFER_SIZE, GFP_KERNEL); #ifdef CONFIG_HIGHMEM test->highmem = alloc_pages(GFP_KERNEL | __GFP_HIGHMEM, BUFFER_ORDER); + if (!test->highmem) { + count = -ENOMEM; + goto free_test_buffer; + } #endif -#ifdef CONFIG_HIGHMEM - if (test->buffer && test->highmem) { -#else if (test->buffer) { -#endif mutex_lock(&mmc_test_lock); mmc_test_run(test, testcase); mutex_unlock(&mmc_test_lock); @@ -3139,6 +3139,7 @@ static ssize_t mtf_test_write(struct file *file, const char __user *buf, #ifdef CONFIG_HIGHMEM __free_pages(test->highmem, BUFFER_ORDER); +free_test_buffer: #endif kfree(test->buffer); kfree(test); From 9df9783bd85610d3d6e126a1aca221531f6f6dcb Mon Sep 17 00:00:00 2001 From: Griffin Kroah-Hartman Date: Thu, 15 Aug 2024 13:51:00 +0200 Subject: [PATCH 453/702] Bluetooth: MGMT: Add error handling to pair_device() commit 538fd3921afac97158d4177139a0ad39f056dbb2 upstream. hci_conn_params_add() never checks for a NULL value and could lead to a NULL pointer dereference causing a crash. Fixed by adding error handling in the function. Cc: Stable Fixes: 5157b8a503fa ("Bluetooth: Fix initializing conn_params in scan phase") Signed-off-by: Griffin Kroah-Hartman Reported-by: Yiwei Zhang Signed-off-by: Luiz Augusto von Dentz Signed-off-by: Greg Kroah-Hartman --- net/bluetooth/mgmt.c | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/net/bluetooth/mgmt.c b/net/bluetooth/mgmt.c index bd8cfcfca7ae..0078e33e12ba 100644 --- a/net/bluetooth/mgmt.c +++ b/net/bluetooth/mgmt.c @@ -2962,6 +2962,10 @@ static int pair_device(struct sock *sk, struct hci_dev *hdev, void *data, * will be kept and this function does nothing. */ p = hci_conn_params_add(hdev, &cp->addr.bdaddr, addr_type); + if (!p) { + err = -EIO; + goto unlock; + } if (p->auto_connect == HCI_AUTO_CONN_EXPLICIT) p->auto_connect = HCI_AUTO_CONN_DISABLED; From 7fd3a5926870074afc76c7f8173dcbab27012d47 Mon Sep 17 00:00:00 2001 From: Laurent Vivier Date: Tue, 28 Jan 2020 14:25:39 +0100 Subject: [PATCH 454/702] binfmt_misc: pass binfmt_misc flags to the interpreter commit 2347961b11d4079deace3c81dceed460c08a8fc1 upstream. It can be useful to the interpreter to know which flags are in use. For instance, knowing if the preserve-argv[0] is in use would allow to skip the pathname argument. This patch uses an unused auxiliary vector, AT_FLAGS, to add a flag to inform interpreter if the preserve-argv[0] is enabled. Note by Helge Deller: The real-world user of this patch is qemu-user, which needs to know if it has to preserve the argv[0]. See Debian bug #970460. Signed-off-by: Laurent Vivier Reviewed-by: YunQiang Su URL: http://bugs.debian.org/970460 Signed-off-by: Helge Deller Cc: Thorsten Glaser Signed-off-by: Greg Kroah-Hartman --- fs/binfmt_elf.c | 5 ++++- fs/binfmt_elf_fdpic.c | 5 ++++- fs/binfmt_misc.c | 4 +++- include/linux/binfmts.h | 4 ++++ include/uapi/linux/binfmts.h | 4 ++++ 5 files changed, 19 insertions(+), 3 deletions(-) diff --git a/fs/binfmt_elf.c b/fs/binfmt_elf.c index ccc4c6d8a578..11dc833ca2c4 100644 --- a/fs/binfmt_elf.c +++ b/fs/binfmt_elf.c @@ -186,6 +186,7 @@ create_elf_tables(struct linux_binprm *bprm, const struct elfhdr *exec, unsigned char k_rand_bytes[16]; int items; elf_addr_t *elf_info; + elf_addr_t flags = 0; int ei_index; const struct cred *cred = current_cred(); struct vm_area_struct *vma; @@ -260,7 +261,9 @@ create_elf_tables(struct linux_binprm *bprm, const struct elfhdr *exec, NEW_AUX_ENT(AT_PHENT, sizeof(struct elf_phdr)); NEW_AUX_ENT(AT_PHNUM, exec->e_phnum); NEW_AUX_ENT(AT_BASE, interp_load_addr); - NEW_AUX_ENT(AT_FLAGS, 0); + if (bprm->interp_flags & BINPRM_FLAGS_PRESERVE_ARGV0) + flags |= AT_FLAGS_PRESERVE_ARGV0; + NEW_AUX_ENT(AT_FLAGS, flags); NEW_AUX_ENT(AT_ENTRY, e_entry); NEW_AUX_ENT(AT_UID, from_kuid_munged(cred->user_ns, cred->uid)); NEW_AUX_ENT(AT_EUID, from_kuid_munged(cred->user_ns, cred->euid)); diff --git a/fs/binfmt_elf_fdpic.c b/fs/binfmt_elf_fdpic.c index 88428de9d873..a3bf15dafab7 100644 --- a/fs/binfmt_elf_fdpic.c +++ b/fs/binfmt_elf_fdpic.c @@ -506,6 +506,7 @@ static int create_elf_fdpic_tables(struct linux_binprm *bprm, char __user *u_platform, *u_base_platform, *p; int loop; int nr; /* reset for each csp adjustment */ + unsigned long flags = 0; #ifdef CONFIG_MMU /* In some cases (e.g. Hyper-Threading), we want to avoid L1 evictions @@ -648,7 +649,9 @@ static int create_elf_fdpic_tables(struct linux_binprm *bprm, NEW_AUX_ENT(AT_PHENT, sizeof(struct elf_phdr)); NEW_AUX_ENT(AT_PHNUM, exec_params->hdr.e_phnum); NEW_AUX_ENT(AT_BASE, interp_params->elfhdr_addr); - NEW_AUX_ENT(AT_FLAGS, 0); + if (bprm->interp_flags & BINPRM_FLAGS_PRESERVE_ARGV0) + flags |= AT_FLAGS_PRESERVE_ARGV0; + NEW_AUX_ENT(AT_FLAGS, flags); NEW_AUX_ENT(AT_ENTRY, exec_params->entry_addr); NEW_AUX_ENT(AT_UID, (elf_addr_t) from_kuid_munged(cred->user_ns, cred->uid)); NEW_AUX_ENT(AT_EUID, (elf_addr_t) from_kuid_munged(cred->user_ns, cred->euid)); diff --git a/fs/binfmt_misc.c b/fs/binfmt_misc.c index 744ae53d483d..740dac1012ae 100644 --- a/fs/binfmt_misc.c +++ b/fs/binfmt_misc.c @@ -191,7 +191,9 @@ static int load_misc_binary(struct linux_binprm *bprm) if (bprm->interp_flags & BINPRM_FLAGS_PATH_INACCESSIBLE) goto ret; - if (!(fmt->flags & MISC_FMT_PRESERVE_ARGV0)) { + if (fmt->flags & MISC_FMT_PRESERVE_ARGV0) { + bprm->interp_flags |= BINPRM_FLAGS_PRESERVE_ARGV0; + } else { retval = remove_arg_zero(bprm); if (retval) goto ret; diff --git a/include/linux/binfmts.h b/include/linux/binfmts.h index 5a9786e6b554..c26ce73dcb08 100644 --- a/include/linux/binfmts.h +++ b/include/linux/binfmts.h @@ -73,6 +73,10 @@ struct linux_binprm { #define BINPRM_FLAGS_PATH_INACCESSIBLE_BIT 2 #define BINPRM_FLAGS_PATH_INACCESSIBLE (1 << BINPRM_FLAGS_PATH_INACCESSIBLE_BIT) +/* preserve argv0 for the interpreter */ +#define BINPRM_FLAGS_PRESERVE_ARGV0_BIT 3 +#define BINPRM_FLAGS_PRESERVE_ARGV0 (1 << BINPRM_FLAGS_PRESERVE_ARGV0_BIT) + /* Function parameter for binfmt->coredump */ struct coredump_params { const kernel_siginfo_t *siginfo; diff --git a/include/uapi/linux/binfmts.h b/include/uapi/linux/binfmts.h index 689025d9c185..c6f9450efc12 100644 --- a/include/uapi/linux/binfmts.h +++ b/include/uapi/linux/binfmts.h @@ -18,4 +18,8 @@ struct pt_regs; /* sizeof(linux_binprm->buf) */ #define BINPRM_BUF_SIZE 256 +/* preserve argv0 for the interpreter */ +#define AT_FLAGS_PRESERVE_ARGV0_BIT 0 +#define AT_FLAGS_PRESERVE_ARGV0 (1 << AT_FLAGS_PRESERVE_ARGV0_BIT) + #endif /* _UAPI_LINUX_BINFMTS_H */ From fc73103a94e3a72956ad3975f4a4bce945360cd6 Mon Sep 17 00:00:00 2001 From: Jiaxun Yang Date: Tue, 23 Jul 2024 17:15:44 +0800 Subject: [PATCH 455/702] MIPS: Loongson64: Set timer mode in cpu-probe commit 1cb6ab446424649f03c82334634360c2e3043684 upstream. Loongson64 C and G processors have EXTIMER feature which is conflicting with CP0 counter. Although the processor resets in EXTIMER disabled & INTIMER enabled mode, which is compatible with MIPS CP0 compare, firmware may attempt to enable EXTIMER and interfere CP0 compare. Set timer mode back to MIPS compatible mode to fix booting on systems with such firmware before we have an actual driver for EXTIMER. Cc: stable@vger.kernel.org Signed-off-by: Jiaxun Yang Signed-off-by: Thomas Bogendoerfer Signed-off-by: Greg Kroah-Hartman --- arch/mips/kernel/cpu-probe.c | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/arch/mips/kernel/cpu-probe.c b/arch/mips/kernel/cpu-probe.c index f8d1933bfe82..24d2ab277d78 100644 --- a/arch/mips/kernel/cpu-probe.c +++ b/arch/mips/kernel/cpu-probe.c @@ -1769,12 +1769,16 @@ static inline void cpu_probe_loongson(struct cpuinfo_mips *c, unsigned int cpu) c->ases |= (MIPS_ASE_LOONGSON_MMI | MIPS_ASE_LOONGSON_CAM | MIPS_ASE_LOONGSON_EXT | MIPS_ASE_LOONGSON_EXT2); c->ases &= ~MIPS_ASE_VZ; /* VZ of Loongson-3A2000/3000 is incomplete */ + change_c0_config6(LOONGSON_CONF6_EXTIMER | LOONGSON_CONF6_INTIMER, + LOONGSON_CONF6_INTIMER); break; case PRID_IMP_LOONGSON_64G: __cpu_name[cpu] = "ICT Loongson-3"; set_elf_platform(cpu, "loongson3a"); set_isa(c, MIPS_CPU_ISA_M64R2); decode_cpucfg(c); + change_c0_config6(LOONGSON_CONF6_EXTIMER | LOONGSON_CONF6_INTIMER, + LOONGSON_CONF6_INTIMER); break; default: panic("Unknown Loongson Processor ID!"); From 8c0a21d37d04373ae711930f0e292588c77333d8 Mon Sep 17 00:00:00 2001 From: Jason Gerecke Date: Tue, 30 Jul 2024 08:51:55 -0700 Subject: [PATCH 456/702] HID: wacom: Defer calculation of resolution until resolution_code is known commit 1b8f9c1fb464968a5b18d3acc1da8c00bad24fad upstream. The Wacom driver maps the HID_DG_TWIST usage to ABS_Z (rather than ABS_RZ) for historic reasons. When the code to support twist was introduced in commit 50066a042da5 ("HID: wacom: generic: Add support for height, tilt, and twist usages"), we were careful to write it in such a way that it had HID calculate the resolution of the twist axis assuming ABS_RZ instead (so that we would get correct angular behavior). This was broken with the introduction of commit 08a46b4190d3 ("HID: wacom: Set a default resolution for older tablets"), which moved the resolution calculation to occur *before* the adjustment from ABS_Z to ABS_RZ occurred. This commit moves the calculation of resolution after the point that we are finished setting things up for its proper use. Signed-off-by: Jason Gerecke Fixes: 08a46b4190d3 ("HID: wacom: Set a default resolution for older tablets") Cc: stable@vger.kernel.org Signed-off-by: Jiri Kosina Signed-off-by: Greg Kroah-Hartman --- drivers/hid/wacom_wac.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/drivers/hid/wacom_wac.c b/drivers/hid/wacom_wac.c index f6ee287a892c..eee0f938e4d6 100644 --- a/drivers/hid/wacom_wac.c +++ b/drivers/hid/wacom_wac.c @@ -1920,12 +1920,14 @@ static void wacom_map_usage(struct input_dev *input, struct hid_usage *usage, int fmax = field->logical_maximum; unsigned int equivalent_usage = wacom_equivalent_usage(usage->hid); int resolution_code = code; - int resolution = hidinput_calc_abs_res(field, resolution_code); + int resolution; if (equivalent_usage == HID_DG_TWIST) { resolution_code = ABS_RZ; } + resolution = hidinput_calc_abs_res(field, resolution_code); + if (equivalent_usage == HID_GD_X) { fmin += features->offset_left; fmax -= features->offset_right; From d1623e7b43d52f485fc03ae3fb9ae70b58cb2721 Mon Sep 17 00:00:00 2001 From: Siarhei Vishniakou Date: Tue, 25 Apr 2023 09:38:44 -0700 Subject: [PATCH 457/702] HID: microsoft: Add rumble support to latest xbox controllers commit f5554725f30475b05b5178b998366f11ecb50c7f upstream. Currently, rumble is only supported via bluetooth on a single xbox controller, called 'model 1708'. On the back of the device, it's named 'wireless controller for xbox one'. However, in 2021, Microsoft released a firmware update for this controller. As part of this update, the HID descriptor of the device changed. The product ID was also changed from 0x02fd to 0x0b20. On this controller, rumble was supported via hid-microsoft, which matched against the old product id (0x02fd). As a result, the firmware update broke rumble support on this controller. See: https://news.xbox.com/en-us/2021/09/08/xbox-controller-firmware-update-rolling-out-to-insiders-starting-today/ The hid-microsoft driver actually supports rumble on the new firmware, as well. So simply adding new product id is sufficient to bring back this support. After discussing further with the xbox team, it was pointed out that another xbox controller, xbox elite series 2, can be supported in a similar way. Add rumble support for all of these devices in this patch. Two of the devices have received firmware updates that caused their product id's to change. Both old and new firmware versions of these devices were tested. The tested controllers are: 1. 'wireless controller for xbox one', model 1708 2. 'xbox wireless controller', model 1914. This is also sometimes referred to as 'xbox series S|X'. 3. 'elite series 2', model 1797. The tested configurations are: 1. model 1708, pid 0x02fd (old firmware) 2. model 1708, pid 0x0b20 (new firmware) 3. model 1914, pid 0x0b13 4. model 1797, pid 0x0b05 (old firmware) 5. model 1797, pid 0x0b22 (new firmware) I verified rumble support on both bluetooth and usb. Reviewed-by: Bastien Nocera Signed-off-by: Siarhei Vishniakou Signed-off-by: Jiri Kosina Signed-off-by: Greg Kroah-Hartman --- drivers/hid/hid-ids.h | 10 +++++++++- drivers/hid/hid-microsoft.c | 11 ++++++++++- 2 files changed, 19 insertions(+), 2 deletions(-) diff --git a/drivers/hid/hid-ids.h b/drivers/hid/hid-ids.h index 9f3f7588fe46..c4e4a24692f6 100644 --- a/drivers/hid/hid-ids.h +++ b/drivers/hid/hid-ids.h @@ -875,7 +875,15 @@ #define USB_DEVICE_ID_MS_TYPE_COVER_2 0x07a9 #define USB_DEVICE_ID_MS_POWER_COVER 0x07da #define USB_DEVICE_ID_MS_SURFACE3_COVER 0x07de -#define USB_DEVICE_ID_MS_XBOX_ONE_S_CONTROLLER 0x02fd +/* + * For a description of the Xbox controller models, refer to: + * https://en.wikipedia.org/wiki/Xbox_Wireless_Controller#Summary + */ +#define USB_DEVICE_ID_MS_XBOX_CONTROLLER_MODEL_1708 0x02fd +#define USB_DEVICE_ID_MS_XBOX_CONTROLLER_MODEL_1708_BLE 0x0b20 +#define USB_DEVICE_ID_MS_XBOX_CONTROLLER_MODEL_1914 0x0b13 +#define USB_DEVICE_ID_MS_XBOX_CONTROLLER_MODEL_1797 0x0b05 +#define USB_DEVICE_ID_MS_XBOX_CONTROLLER_MODEL_1797_BLE 0x0b22 #define USB_DEVICE_ID_MS_PIXART_MOUSE 0x00cb #define USB_DEVICE_ID_8BITDO_SN30_PRO_PLUS 0x02e0 #define USB_DEVICE_ID_MS_MOUSE_0783 0x0783 diff --git a/drivers/hid/hid-microsoft.c b/drivers/hid/hid-microsoft.c index 071fd093a5f4..9345e2bfd56e 100644 --- a/drivers/hid/hid-microsoft.c +++ b/drivers/hid/hid-microsoft.c @@ -446,7 +446,16 @@ static const struct hid_device_id ms_devices[] = { .driver_data = MS_PRESENTER }, { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_MICROSOFT, 0x091B), .driver_data = MS_SURFACE_DIAL }, - { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_XBOX_ONE_S_CONTROLLER), + + { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_XBOX_CONTROLLER_MODEL_1708), + .driver_data = MS_QUIRK_FF }, + { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_XBOX_CONTROLLER_MODEL_1708_BLE), + .driver_data = MS_QUIRK_FF }, + { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_XBOX_CONTROLLER_MODEL_1914), + .driver_data = MS_QUIRK_FF }, + { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_XBOX_CONTROLLER_MODEL_1797), + .driver_data = MS_QUIRK_FF }, + { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_XBOX_CONTROLLER_MODEL_1797_BLE), .driver_data = MS_QUIRK_FF }, { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_8BITDO_SN30_PRO_PLUS), .driver_data = MS_QUIRK_FF }, From 65e79c94375062861bf3a146c0720ec247d7f67e Mon Sep 17 00:00:00 2001 From: Nikolay Kuratov Date: Mon, 19 Aug 2024 10:54:08 +0300 Subject: [PATCH 458/702] cxgb4: add forgotten u64 ivlan cast before shift commit 80a1e7b83bb1834b5568a3872e64c05795d88f31 upstream. It is done everywhere in cxgb4 code, e.g. in is_filter_exact_match() There is no reason it should not be done here Found by Linux Verification Center (linuxtesting.org) with SVACE Signed-off-by: Nikolay Kuratov Cc: stable@vger.kernel.org Fixes: 12b276fbf6e0 ("cxgb4: add support to create hash filters") Reviewed-by: Simon Horman Reviewed-by: Jacob Keller Link: https://patch.msgid.link/20240819075408.92378-1-kniv@yandex-team.ru Signed-off-by: Jakub Kicinski Signed-off-by: Greg Kroah-Hartman --- drivers/net/ethernet/chelsio/cxgb4/cxgb4_filter.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/drivers/net/ethernet/chelsio/cxgb4/cxgb4_filter.c b/drivers/net/ethernet/chelsio/cxgb4/cxgb4_filter.c index 5fbc087268db..92a9f80554b3 100644 --- a/drivers/net/ethernet/chelsio/cxgb4/cxgb4_filter.c +++ b/drivers/net/ethernet/chelsio/cxgb4/cxgb4_filter.c @@ -1244,7 +1244,8 @@ static u64 hash_filter_ntuple(struct ch_filter_specification *fs, * in the Compressed Filter Tuple. */ if (tp->vlan_shift >= 0 && fs->mask.ivlan) - ntuple |= (FT_VLAN_VLD_F | fs->val.ivlan) << tp->vlan_shift; + ntuple |= (u64)(FT_VLAN_VLD_F | + fs->val.ivlan) << tp->vlan_shift; if (tp->port_shift >= 0 && fs->mask.iport) ntuple |= (u64)fs->val.iport << tp->port_shift; From 15818af2f7aa55eff375333cb7689df15d3f24ef Mon Sep 17 00:00:00 2001 From: Marc Zyngier Date: Tue, 20 Aug 2024 11:03:38 +0100 Subject: [PATCH 459/702] KVM: arm64: Make ICC_*SGI*_EL1 undef in the absence of a vGICv3 commit 3e6245ebe7ef341639e9a7e402b3ade8ad45a19f upstream. On a system with a GICv3, if a guest hasn't been configured with GICv3 and that the host is not capable of GICv2 emulation, a write to any of the ICC_*SGI*_EL1 registers is trapped to EL2. We therefore try to emulate the SGI access, only to hit a NULL pointer as no private interrupt is allocated (no GIC, remember?). The obvious fix is to give the guest what it deserves, in the shape of a UNDEF exception. Reported-by: Alexander Potapenko Signed-off-by: Marc Zyngier Cc: stable@vger.kernel.org Link: https://lore.kernel.org/r/20240820100349.3544850-2-maz@kernel.org Signed-off-by: Oliver Upton Signed-off-by: Greg Kroah-Hartman --- arch/arm64/kvm/sys_regs.c | 6 ++++++ arch/arm64/kvm/vgic/vgic.h | 7 +++++++ 2 files changed, 13 insertions(+) diff --git a/arch/arm64/kvm/sys_regs.c b/arch/arm64/kvm/sys_regs.c index 835fa036b2d5..b4bdabbfafdd 100644 --- a/arch/arm64/kvm/sys_regs.c +++ b/arch/arm64/kvm/sys_regs.c @@ -30,6 +30,7 @@ #include #include "sys_regs.h" +#include "vgic/vgic.h" #include "trace.h" @@ -275,6 +276,11 @@ static bool access_gic_sgi(struct kvm_vcpu *vcpu, { bool g1; + if (!kvm_has_gicv3(vcpu->kvm)) { + kvm_inject_undefined(vcpu); + return false; + } + if (!p->is_write) return read_from_write_only(vcpu, p, r); diff --git a/arch/arm64/kvm/vgic/vgic.h b/arch/arm64/kvm/vgic/vgic.h index 64fcd7511110..3d7fa7ef353e 100644 --- a/arch/arm64/kvm/vgic/vgic.h +++ b/arch/arm64/kvm/vgic/vgic.h @@ -318,4 +318,11 @@ int vgic_v4_init(struct kvm *kvm); void vgic_v4_teardown(struct kvm *kvm); void vgic_v4_configure_vsgis(struct kvm *kvm); +static inline bool kvm_has_gicv3(struct kvm *kvm) +{ + return (static_branch_unlikely(&kvm_vgic_global_state.gicv3_cpuif) && + irqchip_in_kernel(kvm) && + kvm->arch.vgic.vgic_model == KVM_DEV_TYPE_ARM_VGIC_V3); +} + #endif From 92915fa734ab5075a57a7dc4323bf53cca7b612a Mon Sep 17 00:00:00 2001 From: Ben Whitten Date: Sun, 11 Aug 2024 22:22:11 +0100 Subject: [PATCH 460/702] mmc: dw_mmc: allow biu and ciu clocks to defer commit 6275c7bc8dd07644ea8142a1773d826800f0f3f7 upstream. Fix a race condition if the clock provider comes up after mmc is probed, this causes mmc to fail without retrying. When given the DEFER error from the clk source, pass it on up the chain. Fixes: f90a0612f0e1 ("mmc: dw_mmc: lookup for optional biu and ciu clocks") Signed-off-by: Ben Whitten Cc: stable@vger.kernel.org Link: https://lore.kernel.org/r/20240811212212.123255-1-ben.whitten@gmail.com Signed-off-by: Ulf Hansson Signed-off-by: Greg Kroah-Hartman --- drivers/mmc/host/dw_mmc.c | 8 ++++++++ 1 file changed, 8 insertions(+) diff --git a/drivers/mmc/host/dw_mmc.c b/drivers/mmc/host/dw_mmc.c index a6170f80ba64..4da525f9c11f 100644 --- a/drivers/mmc/host/dw_mmc.c +++ b/drivers/mmc/host/dw_mmc.c @@ -3171,6 +3171,10 @@ int dw_mci_probe(struct dw_mci *host) host->biu_clk = devm_clk_get(host->dev, "biu"); if (IS_ERR(host->biu_clk)) { dev_dbg(host->dev, "biu clock not available\n"); + ret = PTR_ERR(host->biu_clk); + if (ret == -EPROBE_DEFER) + return ret; + } else { ret = clk_prepare_enable(host->biu_clk); if (ret) { @@ -3182,6 +3186,10 @@ int dw_mci_probe(struct dw_mci *host) host->ciu_clk = devm_clk_get(host->dev, "ciu"); if (IS_ERR(host->ciu_clk)) { dev_dbg(host->dev, "ciu clock not available\n"); + ret = PTR_ERR(host->ciu_clk); + if (ret == -EPROBE_DEFER) + goto err_clk_biu; + host->bus_hz = host->pdata->bus_hz; } else { ret = clk_prepare_enable(host->ciu_clk); From b891438bc39b3aabf4b905fe3e73b6a150a5a5a4 Mon Sep 17 00:00:00 2001 From: Alex Hung Date: Wed, 11 Oct 2023 13:18:38 -0600 Subject: [PATCH 461/702] Revert "drm/amd/display: Validate hw_points_num before using it" commit 8f4bdbc8e99db6ec9cb0520748e49a2f2d7d1727 upstream. This reverts commit 58c3b3341cea4f75dc8c003b89f8a6dd8ec55e50. [WHY & HOW] The writeback series cause a regression in thunderbolt display. Signed-off-by: Alex Hung Reviewed-by: Harry Wentland Signed-off-by: Alex Deucher Signed-off-by: Greg Kroah-Hartman --- drivers/gpu/drm/amd/display/dc/dcn30/dcn30_dwb_cm.c | 3 --- 1 file changed, 3 deletions(-) diff --git a/drivers/gpu/drm/amd/display/dc/dcn30/dcn30_dwb_cm.c b/drivers/gpu/drm/amd/display/dc/dcn30/dcn30_dwb_cm.c index 1c170fbb634d..6d621f07be48 100644 --- a/drivers/gpu/drm/amd/display/dc/dcn30/dcn30_dwb_cm.c +++ b/drivers/gpu/drm/amd/display/dc/dcn30/dcn30_dwb_cm.c @@ -243,9 +243,6 @@ static bool dwb3_program_ogam_lut( return false; } - if (params->hw_points_num == 0) - return false; - REG_SET(DWB_OGAM_CONTROL, 0, DWB_OGAM_MODE, 2); current_mode = dwb3_get_ogam_current(dwbc30); From b009444700d973676f754b6208761f8ae1b666ac Mon Sep 17 00:00:00 2001 From: Takashi Iwai Date: Sat, 10 Aug 2024 10:48:32 +0200 Subject: [PATCH 462/702] ALSA: timer: Relax start tick time check for slave timer elements commit ccbfcac05866ebe6eb3bc6d07b51d4ed4fcde436 upstream. The recent addition of a sanity check for a too low start tick time seems breaking some applications that uses aloop with a certain slave timer setup. They may have the initial resolution 0, hence it's treated as if it were a too low value. Relax and skip the check for the slave timer instance for addressing the regression. Fixes: 4a63bd179fa8 ("ALSA: timer: Set lower bound of start tick time") Cc: Link: https://github.com/raspberrypi/linux/issues/6294 Link: https://patch.msgid.link/20240810084833.10939-1-tiwai@suse.de Signed-off-by: Takashi Iwai Signed-off-by: Greg Kroah-Hartman --- sound/core/timer.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/sound/core/timer.c b/sound/core/timer.c index 708c9a46eefe..7e6fd86df41c 100644 --- a/sound/core/timer.c +++ b/sound/core/timer.c @@ -556,7 +556,7 @@ static int snd_timer_start1(struct snd_timer_instance *timeri, /* check the actual time for the start tick; * bail out as error if it's way too low (< 100us) */ - if (start) { + if (start && !(timer->hw.flags & SNDRV_TIMER_HW_SLAVE)) { if ((u64)snd_timer_hw_resolution(timer) * ticks < 100000) { result = -EINVAL; goto unlock; From 93000b2949528db14c8e0d19b54ccbce54344a1d Mon Sep 17 00:00:00 2001 From: Kuniyuki Iwashima Date: Mon, 19 Aug 2024 10:05:51 -0700 Subject: [PATCH 463/702] nfsd: Don't call freezable_schedule_timeout() after each successful page allocation in svc_alloc_arg(). When commit 390390240145 ("nfsd: don't allow nfsd threads to be signalled.") is backported to 5.10, it was adjusted considering commit 3feac2b55293 ("sunrpc: exclude from freezer when waiting for requests:"). However, 3feac2b55293 is based on commit f6e70aab9dfe ("SUNRPC: refresh rq_pages using a bulk page allocator"), which converted page-by-page allocation to a batch allocation, so schedule_timeout() is placed un-nested. As a result, the backported commit 7229200f6866 ("nfsd: don't allow nfsd threads to be signalled.") placed freezable_schedule_timeout() in the wrong place. Now, freezable_schedule_timeout() is called after every successful page allocation, and we see 30%+ performance regression on 5.10.220 in our test suite. Let's move it to the correct place so that freezable_schedule_timeout() is called only when page allocation fails. Fixes: 7229200f6866 ("nfsd: don't allow nfsd threads to be signalled.") Reported-by: Hughdan Liu Signed-off-by: Kuniyuki Iwashima Reviewed-by: Chuck Lever Signed-off-by: Greg Kroah-Hartman --- net/sunrpc/svc_xprt.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/net/sunrpc/svc_xprt.c b/net/sunrpc/svc_xprt.c index d1eacf3358b8..60782504ad3e 100644 --- a/net/sunrpc/svc_xprt.c +++ b/net/sunrpc/svc_xprt.c @@ -679,8 +679,8 @@ static int svc_alloc_arg(struct svc_rqst *rqstp) set_current_state(TASK_RUNNING); return -EINTR; } + freezable_schedule_timeout(msecs_to_jiffies(500)); } - freezable_schedule_timeout(msecs_to_jiffies(500)); rqstp->rq_pages[i] = p; } rqstp->rq_page_end = &rqstp->rq_pages[i]; From 56b82e6ff3f55ed41d619bd181c2a684b5371e1d Mon Sep 17 00:00:00 2001 From: "Lee, Chun-Yi" Date: Mon, 10 Jul 2023 23:17:23 +0800 Subject: [PATCH 464/702] Bluetooth: hci_ldisc: check HCI_UART_PROTO_READY flag in HCIUARTGETPROTO commit 9c33663af9ad115f90c076a1828129a3fbadea98 upstream. This patch adds code to check HCI_UART_PROTO_READY flag before accessing hci_uart->proto. It fixes the race condition in hci_uart_tty_ioctl() between HCIUARTSETPROTO and HCIUARTGETPROTO. This issue bug found by Yu Hao and Weiteng Chen: BUG: general protection fault in hci_uart_tty_ioctl [1] The information of C reproducer can also reference the link [2] Reported-by: Yu Hao Closes: https://lore.kernel.org/all/CA+UBctC3p49aTgzbVgkSZ2+TQcqq4fPDO7yZitFT5uBPDeCO2g@mail.gmail.com/ [1] Reported-by: Weiteng Chen Closes: https://lore.kernel.org/lkml/CA+UBctDPEvHdkHMwD340=n02rh+jNRJNNQ5LBZNA+Wm4Keh2ow@mail.gmail.com/T/ [2] Signed-off-by: "Lee, Chun-Yi" Signed-off-by: Luiz Augusto von Dentz Signed-off-by: Harshit Mogalapalli Signed-off-by: Greg Kroah-Hartman --- drivers/bluetooth/hci_ldisc.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/drivers/bluetooth/hci_ldisc.c b/drivers/bluetooth/hci_ldisc.c index 726d5c83c550..e7d78937f7d6 100644 --- a/drivers/bluetooth/hci_ldisc.c +++ b/drivers/bluetooth/hci_ldisc.c @@ -768,7 +768,8 @@ static int hci_uart_tty_ioctl(struct tty_struct *tty, struct file *file, break; case HCIUARTGETPROTO: - if (test_bit(HCI_UART_PROTO_SET, &hu->flags)) + if (test_bit(HCI_UART_PROTO_SET, &hu->flags) && + test_bit(HCI_UART_PROTO_READY, &hu->flags)) err = hu->proto->id; else err = -EUNATCH; From 05dd9aabd04f9b5eb04dab9bb83d8c3e982d7549 Mon Sep 17 00:00:00 2001 From: Tetsuo Handa Date: Mon, 29 Jul 2024 21:51:30 +0900 Subject: [PATCH 465/702] Input: MT - limit max slots commit 99d3bf5f7377d42f8be60a6b9cb60fb0be34dceb upstream. syzbot is reporting too large allocation at input_mt_init_slots(), for num_slots is supplied from userspace using ioctl(UI_DEV_CREATE). Since nobody knows possible max slots, this patch chose 1024. Reported-by: syzbot Closes: https://syzkaller.appspot.com/bug?extid=0122fa359a69694395d5 Suggested-by: Dmitry Torokhov Signed-off-by: Tetsuo Handa Signed-off-by: Linus Torvalds Cc: George Kennedy Signed-off-by: Greg Kroah-Hartman --- drivers/input/input-mt.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/drivers/input/input-mt.c b/drivers/input/input-mt.c index 44fe6f2f063c..d0f8c31d7cc0 100644 --- a/drivers/input/input-mt.c +++ b/drivers/input/input-mt.c @@ -45,6 +45,9 @@ int input_mt_init_slots(struct input_dev *dev, unsigned int num_slots, return 0; if (mt) return mt->num_slots != num_slots ? -EINVAL : 0; + /* Arbitrary limit for avoiding too large memory allocation. */ + if (num_slots > 1024) + return -EINVAL; mt = kzalloc(struct_size(mt, slots, num_slots), GFP_KERNEL); if (!mt) From 239b1cacceece336072a944b24ac1fcaac42de1d Mon Sep 17 00:00:00 2001 From: Alexander Lobakin Date: Wed, 27 Mar 2024 16:23:48 +0100 Subject: [PATCH 466/702] tools: move alignment-related macros to new commit 10a04ff09bcc39e0044190ffe9f00f998f13647c upstream. Currently, tools have *ALIGN*() macros scattered across the unrelated headers, as there are only 3 of them and they were added separately each time on an as-needed basis. Anyway, let's make it more consistent with the kernel headers and allow using those macros outside of the mentioned headers. Create inside the tools/ folder and include it where needed. Signed-off-by: Yury Norov Signed-off-by: Alexander Lobakin Signed-off-by: David S. Miller Signed-off-by: Greg Kroah-Hartman --- tools/include/linux/align.h | 12 ++++++++++++ tools/include/linux/bitmap.h | 2 +- 2 files changed, 13 insertions(+), 1 deletion(-) create mode 100644 tools/include/linux/align.h diff --git a/tools/include/linux/align.h b/tools/include/linux/align.h new file mode 100644 index 000000000000..14e34ace80dd --- /dev/null +++ b/tools/include/linux/align.h @@ -0,0 +1,12 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ + +#ifndef _TOOLS_LINUX_ALIGN_H +#define _TOOLS_LINUX_ALIGN_H + +#include + +#define ALIGN(x, a) __ALIGN_KERNEL((x), (a)) +#define ALIGN_DOWN(x, a) __ALIGN_KERNEL((x) - ((a) - 1), (a)) +#define IS_ALIGNED(x, a) (((x) & ((typeof(x))(a) - 1)) == 0) + +#endif /* _TOOLS_LINUX_ALIGN_H */ diff --git a/tools/include/linux/bitmap.h b/tools/include/linux/bitmap.h index 186f20dcdaa8..de45cad6cec1 100644 --- a/tools/include/linux/bitmap.h +++ b/tools/include/linux/bitmap.h @@ -3,6 +3,7 @@ #define _PERF_BITOPS_H #include +#include #include #include #include @@ -166,7 +167,6 @@ static inline int bitmap_and(unsigned long *dst, const unsigned long *src1, #define BITMAP_MEM_ALIGNMENT (8 * sizeof(unsigned long)) #endif #define BITMAP_MEM_MASK (BITMAP_MEM_ALIGNMENT - 1) -#define IS_ALIGNED(x, a) (((x) & ((typeof(x))(a) - 1)) == 0) static inline int bitmap_equal(const unsigned long *src1, const unsigned long *src2, unsigned int nbits) From df02642c21c984303fe34c3f7d72965792fb1a15 Mon Sep 17 00:00:00 2001 From: Jesse Zhang Date: Wed, 24 Apr 2024 17:10:46 +0800 Subject: [PATCH 467/702] drm/amdgpu: Using uninitialized value *size when calling amdgpu_vce_cs_reloc MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit commit 88a9a467c548d0b3c7761b4fd54a68e70f9c0944 upstream. Initialize the size before calling amdgpu_vce_cs_reloc, such as case 0x03000001. V2: To really improve the handling we would actually need to have a separate value of 0xffffffff.(Christian) Signed-off-by: Jesse Zhang Suggested-by: Christian König Reviewed-by: Christian König Signed-off-by: Alex Deucher Signed-off-by: Sasha Levin Signed-off-by: Vamsi Krishna Brahmajosyula Signed-off-by: Greg Kroah-Hartman --- drivers/gpu/drm/amd/amdgpu/amdgpu_vce.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_vce.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_vce.c index ecaa2d7483b2..0a28daa14fb1 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_vce.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_vce.c @@ -725,7 +725,8 @@ int amdgpu_vce_ring_parse_cs(struct amdgpu_cs_parser *p, uint32_t ib_idx) uint32_t created = 0; uint32_t allocated = 0; uint32_t tmp, handle = 0; - uint32_t *size = &tmp; + uint32_t dummy = 0xffffffff; + uint32_t *size = &dummy; unsigned idx; int i, r = 0; From a45ee4c98da0f6154bb80ba41bd1c955e273c8e7 Mon Sep 17 00:00:00 2001 From: Sami Tolvanen Date: Fri, 5 Mar 2021 12:21:24 -0800 Subject: [PATCH 468/702] KVM: arm64: Don't use cbz/adr with external symbols commit dbaee836d60a8e1b03e7d53a37893235662ba124 upstream. allmodconfig + CONFIG_LTO_CLANG_THIN=y fails to build due to following linker errors: ld.lld: error: irqbypass.c:(function __guest_enter: .text+0x21CC): relocation R_AARCH64_CONDBR19 out of range: 2031220 is not in [-1048576, 1048575]; references hyp_panic >>> defined in vmlinux.o ld.lld: error: irqbypass.c:(function __guest_enter: .text+0x21E0): relocation R_AARCH64_ADR_PREL_LO21 out of range: 2031200 is not in [-1048576, 1048575]; references hyp_panic >>> defined in vmlinux.o This is because with LTO, the compiler ends up placing hyp_panic() more than 1MB away from __guest_enter(). Use an unconditional branch and adr_l instead to fix the issue. Link: https://github.com/ClangBuiltLinux/linux/issues/1317 Reported-by: Nathan Chancellor Suggested-by: Marc Zyngier Suggested-by: Ard Biesheuvel Signed-off-by: Sami Tolvanen Reviewed-by: Kees Cook Acked-by: Will Deacon Tested-by: Nathan Chancellor Signed-off-by: Marc Zyngier Link: https://lore.kernel.org/r/20210305202124.3768527-1-samitolvanen@google.com Signed-off-by: Greg Kroah-Hartman --- arch/arm64/kvm/hyp/entry.S | 6 ++++-- 1 file changed, 4 insertions(+), 2 deletions(-) diff --git a/arch/arm64/kvm/hyp/entry.S b/arch/arm64/kvm/hyp/entry.S index 0c66a1d408fd..e831d3dfd50d 100644 --- a/arch/arm64/kvm/hyp/entry.S +++ b/arch/arm64/kvm/hyp/entry.S @@ -85,8 +85,10 @@ SYM_INNER_LABEL(__guest_exit_panic, SYM_L_GLOBAL) // If the hyp context is loaded, go straight to hyp_panic get_loaded_vcpu x0, x1 - cbz x0, hyp_panic + cbnz x0, 1f + b hyp_panic +1: // The hyp context is saved so make sure it is restored to allow // hyp_panic to run at hyp and, subsequently, panic to run in the host. // This makes use of __guest_exit to avoid duplication but sets the @@ -94,7 +96,7 @@ SYM_INNER_LABEL(__guest_exit_panic, SYM_L_GLOBAL) // current state is saved to the guest context but it will only be // accurate if the guest had been completely restored. adr_this_cpu x0, kvm_hyp_ctxt, x1 - adr x1, hyp_panic + adr_l x1, hyp_panic str x1, [x0, #CPU_XREG_OFFSET(30)] get_vcpu_ptr x1, x0 From d57e6298cca384227fee99532351cb16b88c751a Mon Sep 17 00:00:00 2001 From: Huang-Huang Bao Date: Tue, 9 Jul 2024 18:54:28 +0800 Subject: [PATCH 469/702] pinctrl: rockchip: correct RK3328 iomux width flag for GPIO2-B pins commit 128f71fe014fc91efa1407ce549f94a9a9f1072c upstream. The base iomux offsets for each GPIO pin line are accumulatively calculated based off iomux width flag in rockchip_pinctrl_get_soc_data. If the iomux width flag is one of IOMUX_WIDTH_4BIT, IOMUX_WIDTH_3BIT or IOMUX_WIDTH_2BIT, the base offset for next pin line would increase by 8 bytes, otherwise it would increase by 4 bytes. Despite most of GPIO2-B iomux have 2-bit data width, which can be fit into 4 bytes space with write mask, it actually take 8 bytes width for whole GPIO2-B line. Commit e8448a6c817c ("pinctrl: rockchip: fix pinmux bits for RK3328 GPIO2-B pins") wrongly set iomux width flag to 0, causing all base iomux offset for line after GPIO2-B to be calculated wrong. Fix the iomux width flag to IOMUX_WIDTH_2BIT so the offset after GPIO2-B is correctly increased by 8, matching the actual width of GPIO2-B iomux. Fixes: e8448a6c817c ("pinctrl: rockchip: fix pinmux bits for RK3328 GPIO2-B pins") Cc: stable@vger.kernel.org Reported-by: Richard Kojedzinszky Closes: https://lore.kernel.org/linux-rockchip/4f29b743202397d60edfb3c725537415@kojedz.in/ Tested-by: Richard Kojedzinszky Signed-off-by: Huang-Huang Bao Reviewed-by: Heiko Stuebner Tested-by: Daniel Golle Tested-by: Trevor Woerner Link: https://lore.kernel.org/20240709105428.1176375-1-i@eh5.me Signed-off-by: Linus Walleij Signed-off-by: Greg Kroah-Hartman --- drivers/pinctrl/pinctrl-rockchip.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/pinctrl/pinctrl-rockchip.c b/drivers/pinctrl/pinctrl-rockchip.c index e0f22ce219ee..b85c1ce210f6 100644 --- a/drivers/pinctrl/pinctrl-rockchip.c +++ b/drivers/pinctrl/pinctrl-rockchip.c @@ -3695,7 +3695,7 @@ static struct rockchip_pin_bank rk3328_pin_banks[] = { PIN_BANK_IOMUX_FLAGS(0, 32, "gpio0", 0, 0, 0, 0), PIN_BANK_IOMUX_FLAGS(1, 32, "gpio1", 0, 0, 0, 0), PIN_BANK_IOMUX_FLAGS(2, 32, "gpio2", 0, - 0, + IOMUX_WIDTH_2BIT, IOMUX_WIDTH_3BIT, 0), PIN_BANK_IOMUX_FLAGS(3, 32, "gpio3", From 4e9436375fcc9bd2a60ee96aba6ed53f7a377d10 Mon Sep 17 00:00:00 2001 From: Ma Ke Date: Thu, 8 Aug 2024 12:13:55 +0800 Subject: [PATCH 470/702] pinctrl: single: fix potential NULL dereference in pcs_get_function() commit 1c38a62f15e595346a1106025722869e87ffe044 upstream. pinmux_generic_get_function() can return NULL and the pointer 'function' was dereferenced without checking against NULL. Add checking of pointer 'function' in pcs_get_function(). Found by code review. Cc: stable@vger.kernel.org Fixes: 571aec4df5b7 ("pinctrl: single: Use generic pinmux helpers for managing functions") Signed-off-by: Ma Ke Link: https://lore.kernel.org/20240808041355.2766009-1-make24@iscas.ac.cn Signed-off-by: Linus Walleij Signed-off-by: Greg Kroah-Hartman --- drivers/pinctrl/pinctrl-single.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/drivers/pinctrl/pinctrl-single.c b/drivers/pinctrl/pinctrl-single.c index 4860c4dd853f..5b76594b535c 100644 --- a/drivers/pinctrl/pinctrl-single.c +++ b/drivers/pinctrl/pinctrl-single.c @@ -350,6 +350,8 @@ static int pcs_get_function(struct pinctrl_dev *pctldev, unsigned pin, return -ENOTSUPP; fselector = setting->func; function = pinmux_generic_get_function(pctldev, fselector); + if (!function) + return -EINVAL; *func = function->data; if (!(*func)) { dev_err(pcs->dev, "%s could not find function%i\n", From 1388df72dc14aebfab4c05ab79baff75d6b56d16 Mon Sep 17 00:00:00 2001 From: Sascha Hauer Date: Fri, 9 Aug 2024 10:11:33 +0200 Subject: [PATCH 471/702] wifi: mwifiex: duplicate static structs used in driver instances commit 27ec3c57fcadb43c79ed05b2ea31bc18c72d798a upstream. mwifiex_band_2ghz and mwifiex_band_5ghz are statically allocated, but used and modified in driver instances. Duplicate them before using them in driver instances so that different driver instances do not influence each other. This was observed on a board which has one PCIe and one SDIO mwifiex adapter. It blew up in mwifiex_setup_ht_caps(). This was called with the statically allocated struct which is modified in this function. Cc: stable@vger.kernel.org Fixes: d6bffe8bb520 ("mwifiex: support for creation of AP interface") Signed-off-by: Sascha Hauer Reviewed-by: Francesco Dolcini Acked-by: Brian Norris Signed-off-by: Kalle Valo Link: https://patch.msgid.link/20240809-mwifiex-duplicate-static-structs-v1-1-6837b903b1a4@pengutronix.de Signed-off-by: Greg Kroah-Hartman --- .../net/wireless/marvell/mwifiex/cfg80211.c | 32 +++++++++++++++---- 1 file changed, 26 insertions(+), 6 deletions(-) diff --git a/drivers/net/wireless/marvell/mwifiex/cfg80211.c b/drivers/net/wireless/marvell/mwifiex/cfg80211.c index 03ba8ed995bf..9c90a5bd3a81 100644 --- a/drivers/net/wireless/marvell/mwifiex/cfg80211.c +++ b/drivers/net/wireless/marvell/mwifiex/cfg80211.c @@ -4314,11 +4314,27 @@ int mwifiex_register_cfg80211(struct mwifiex_adapter *adapter) if (ISSUPP_ADHOC_ENABLED(adapter->fw_cap_info)) wiphy->interface_modes |= BIT(NL80211_IFTYPE_ADHOC); - wiphy->bands[NL80211_BAND_2GHZ] = &mwifiex_band_2ghz; - if (adapter->config_bands & BAND_A) - wiphy->bands[NL80211_BAND_5GHZ] = &mwifiex_band_5ghz; - else + wiphy->bands[NL80211_BAND_2GHZ] = devm_kmemdup(adapter->dev, + &mwifiex_band_2ghz, + sizeof(mwifiex_band_2ghz), + GFP_KERNEL); + if (!wiphy->bands[NL80211_BAND_2GHZ]) { + ret = -ENOMEM; + goto err; + } + + if (adapter->config_bands & BAND_A) { + wiphy->bands[NL80211_BAND_5GHZ] = devm_kmemdup(adapter->dev, + &mwifiex_band_5ghz, + sizeof(mwifiex_band_5ghz), + GFP_KERNEL); + if (!wiphy->bands[NL80211_BAND_5GHZ]) { + ret = -ENOMEM; + goto err; + } + } else { wiphy->bands[NL80211_BAND_5GHZ] = NULL; + } if (adapter->drcs_enabled && ISSUPP_DRCS_ENABLED(adapter->fw_cap_info)) wiphy->iface_combinations = &mwifiex_iface_comb_ap_sta_drcs; @@ -4411,8 +4427,7 @@ int mwifiex_register_cfg80211(struct mwifiex_adapter *adapter) if (ret < 0) { mwifiex_dbg(adapter, ERROR, "%s: wiphy_register failed: %d\n", __func__, ret); - wiphy_free(wiphy); - return ret; + goto err; } if (!adapter->regd) { @@ -4454,4 +4469,9 @@ int mwifiex_register_cfg80211(struct mwifiex_adapter *adapter) adapter->wiphy = wiphy; return ret; + +err: + wiphy_free(wiphy); + + return ret; } From 2933b4f8a6b3f15197da7e3132c24398186c820a Mon Sep 17 00:00:00 2001 From: "Matthieu Baerts (NGI0)" Date: Mon, 26 Aug 2024 19:11:20 +0200 Subject: [PATCH 472/702] mptcp: sched: check both backup in retrans commit 2a1f596ebb23eadc0f9b95a8012e18ef76295fc8 upstream. The 'mptcp_subflow_context' structure has two items related to the backup flags: - 'backup': the subflow has been marked as backup by the other peer - 'request_bkup': the backup flag has been set by the host Looking only at the 'backup' flag can make sense in some cases, but it is not the behaviour of the default packet scheduler when selecting paths. As explained in the commit b6a66e521a20 ("mptcp: sched: check both directions for backup"), the packet scheduler should look at both flags, because that was the behaviour from the beginning: the 'backup' flag was set by accident instead of the 'request_bkup' one. Now that the latter has been fixed, get_retrans() needs to be adapted as well. Fixes: b6a66e521a20 ("mptcp: sched: check both directions for backup") Cc: stable@vger.kernel.org Reviewed-by: Mat Martineau Signed-off-by: Matthieu Baerts (NGI0) Link: https://patch.msgid.link/20240826-net-mptcp-close-extra-sf-fin-v1-3-905199fe1172@kernel.org Signed-off-by: Jakub Kicinski Signed-off-by: Greg Kroah-Hartman --- net/mptcp/protocol.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/net/mptcp/protocol.c b/net/mptcp/protocol.c index a343b3077458..0ef6a99b62b0 100644 --- a/net/mptcp/protocol.c +++ b/net/mptcp/protocol.c @@ -1664,7 +1664,7 @@ static struct sock *mptcp_subflow_get_retrans(const struct mptcp_sock *msk) return NULL; } - if (subflow->backup) { + if (subflow->backup || subflow->request_bkup) { if (!backup) backup = ssk; continue; From 0365c9029ad9cd4d9639f4a56755567ab479b51c Mon Sep 17 00:00:00 2001 From: Rafael Aquini Date: Tue, 7 Sep 2021 20:00:53 -0700 Subject: [PATCH 473/702] ipc: replace costly bailout check in sysvipc_find_ipc() commit 20401d1058f3f841f35a594ac2fc1293710e55b9 upstream. sysvipc_find_ipc() was left with a costly way to check if the offset position fed to it is bigger than the total number of IPC IDs in use. So much so that the time it takes to iterate over /proc/sysvipc/* files grows exponentially for a custom benchmark that creates "N" SYSV shm segments and then times the read of /proc/sysvipc/shm (milliseconds): 12 msecs to read 1024 segs from /proc/sysvipc/shm 18 msecs to read 2048 segs from /proc/sysvipc/shm 65 msecs to read 4096 segs from /proc/sysvipc/shm 325 msecs to read 8192 segs from /proc/sysvipc/shm 1303 msecs to read 16384 segs from /proc/sysvipc/shm 5182 msecs to read 32768 segs from /proc/sysvipc/shm The root problem lies with the loop that computes the total amount of ids in use to check if the "pos" feeded to sysvipc_find_ipc() grew bigger than "ids->in_use". That is a quite inneficient way to get to the maximum index in the id lookup table, specially when that value is already provided by struct ipc_ids.max_idx. This patch follows up on the optimization introduced via commit 15df03c879836 ("sysvipc: make get_maxid O(1) again") and gets rid of the aforementioned costly loop replacing it by a simpler checkpoint based on ipc_get_maxidx() returned value, which allows for a smooth linear increase in time complexity for the same custom benchmark: 2 msecs to read 1024 segs from /proc/sysvipc/shm 2 msecs to read 2048 segs from /proc/sysvipc/shm 4 msecs to read 4096 segs from /proc/sysvipc/shm 9 msecs to read 8192 segs from /proc/sysvipc/shm 19 msecs to read 16384 segs from /proc/sysvipc/shm 39 msecs to read 32768 segs from /proc/sysvipc/shm Link: https://lkml.kernel.org/r/20210809203554.1562989-1-aquini@redhat.com Signed-off-by: Rafael Aquini Acked-by: Davidlohr Bueso Acked-by: Manfred Spraul Cc: Waiman Long Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds Signed-off-by: Hugo SIMELIERE Signed-off-by: Greg Kroah-Hartman --- ipc/util.c | 16 ++++------------ 1 file changed, 4 insertions(+), 12 deletions(-) diff --git a/ipc/util.c b/ipc/util.c index bbb5190af6d9..7c3601dad9bd 100644 --- a/ipc/util.c +++ b/ipc/util.c @@ -754,21 +754,13 @@ struct pid_namespace *ipc_seq_pid_ns(struct seq_file *s) static struct kern_ipc_perm *sysvipc_find_ipc(struct ipc_ids *ids, loff_t pos, loff_t *new_pos) { - struct kern_ipc_perm *ipc; - int total, id; + struct kern_ipc_perm *ipc = NULL; + int max_idx = ipc_get_maxidx(ids); - total = 0; - for (id = 0; id < pos && total < ids->in_use; id++) { - ipc = idr_find(&ids->ipcs_idr, id); - if (ipc != NULL) - total++; - } - - ipc = NULL; - if (total >= ids->in_use) + if (max_idx == -1 || pos > max_idx) goto out; - for (; pos < ipc_mni; pos++) { + for (; pos <= max_idx; pos++) { ipc = idr_find(&ids->ipcs_idr, pos); if (ipc != NULL) { rcu_read_lock(); From f7276cdc1912325b64c33fcb1361952c06e55f63 Mon Sep 17 00:00:00 2001 From: Alex Deucher Date: Sun, 14 Apr 2024 13:06:39 -0400 Subject: [PATCH 474/702] drm/amdkfd: don't allow mapping the MMIO HDP page with large pages commit be4a2a81b6b90d1a47eaeaace4cc8e2cb57b96c7 upstream. We don't get the right offset in that case. The GPU has an unused 4K area of the register BAR space into which you can remap registers. We remap the HDP flush registers into this space to allow userspace (CPU or GPU) to flush the HDP when it updates VRAM. However, on systems with >4K pages, we end up exposing PAGE_SIZE of MMIO space. Fixes: d8e408a82704 ("drm/amdkfd: Expose HDP registers to user space") Reviewed-by: Felix Kuehling Signed-off-by: Alex Deucher Cc: stable@vger.kernel.org Signed-off-by: Felix Kuehling Signed-off-by: Greg Kroah-Hartman --- drivers/gpu/drm/amd/amdkfd/kfd_chardev.c | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-) diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_chardev.c b/drivers/gpu/drm/amd/amdkfd/kfd_chardev.c index 799a91a064a1..9a444b17530a 100644 --- a/drivers/gpu/drm/amd/amdkfd/kfd_chardev.c +++ b/drivers/gpu/drm/amd/amdkfd/kfd_chardev.c @@ -1311,7 +1311,7 @@ static int kfd_ioctl_alloc_memory_of_gpu(struct file *filep, goto err_unlock; } offset = amdgpu_amdkfd_get_mmio_remap_phys_addr(dev->kgd); - if (!offset) { + if (!offset || (PAGE_SIZE > 4096)) { err = -ENOMEM; goto err_unlock; } @@ -1969,6 +1969,9 @@ static int kfd_mmio_mmap(struct kfd_dev *dev, struct kfd_process *process, if (vma->vm_end - vma->vm_start != PAGE_SIZE) return -EINVAL; + if (PAGE_SIZE > 4096) + return -EINVAL; + address = amdgpu_amdkfd_get_mmio_remap_phys_addr(dev->kgd); vma->vm_flags |= VM_IO | VM_DONTCOPY | VM_DONTEXPAND | VM_NORESERVE | From 777d9c223e83dd7a227f578b70e9f8dc6dac4280 Mon Sep 17 00:00:00 2001 From: Ricardo Ribalda Date: Mon, 10 Jun 2024 19:17:49 +0000 Subject: [PATCH 475/702] media: uvcvideo: Fix integer overflow calculating timestamp commit 8676a5e796fa18f55897ca36a94b2adf7f73ebd1 upstream. The function uvc_video_clock_update() supports a single SOF overflow. Or in other words, the maximum difference between the first ant the last timestamp can be 4096 ticks or 4.096 seconds. This results in a maximum value for y2 of: 0x12FBECA00, that overflows 32bits. y2 = (u32)ktime_to_ns(ktime_sub(last->host_time, first->host_time)) + y1; Extend the size of y2 to u64 to support all its values. Without this patch: # yavta -s 1920x1080 -f YUYV -t 1/5 -c /dev/video0 Device /dev/v4l/by-id/usb-Shine-Optics_Integrated_Camera_0001-video-index0 opened. Device `Integrated Camera: Integrated C' on `usb-0000:00:14.0-6' (driver 'uvcvideo') supports video, capture, without mplanes. Video format set: YUYV (56595559) 1920x1080 (stride 3840) field none buffer size 4147200 Video format: YUYV (56595559) 1920x1080 (stride 3840) field none buffer size 4147200 Current frame rate: 1/5 Setting frame rate to: 1/5 Frame rate set: 1/5 8 buffers requested. length: 4147200 offset: 0 timestamp type/source: mono/SoE Buffer 0/0 mapped at address 0x7947ea94c000. length: 4147200 offset: 4149248 timestamp type/source: mono/SoE Buffer 1/0 mapped at address 0x7947ea557000. length: 4147200 offset: 8298496 timestamp type/source: mono/SoE Buffer 2/0 mapped at address 0x7947ea162000. length: 4147200 offset: 12447744 timestamp type/source: mono/SoE Buffer 3/0 mapped at address 0x7947e9d6d000. length: 4147200 offset: 16596992 timestamp type/source: mono/SoE Buffer 4/0 mapped at address 0x7947e9978000. length: 4147200 offset: 20746240 timestamp type/source: mono/SoE Buffer 5/0 mapped at address 0x7947e9583000. length: 4147200 offset: 24895488 timestamp type/source: mono/SoE Buffer 6/0 mapped at address 0x7947e918e000. length: 4147200 offset: 29044736 timestamp type/source: mono/SoE Buffer 7/0 mapped at address 0x7947e8d99000. 0 (0) [-] none 0 4147200 B 507.554210 508.874282 242.836 fps ts mono/SoE 1 (1) [-] none 2 4147200 B 508.886298 509.074289 0.751 fps ts mono/SoE 2 (2) [-] none 3 4147200 B 509.076362 509.274307 5.261 fps ts mono/SoE 3 (3) [-] none 4 4147200 B 509.276371 509.474336 5.000 fps ts mono/SoE 4 (4) [-] none 5 4147200 B 509.476394 509.674394 4.999 fps ts mono/SoE 5 (5) [-] none 6 4147200 B 509.676506 509.874345 4.997 fps ts mono/SoE 6 (6) [-] none 7 4147200 B 509.876430 510.074370 5.002 fps ts mono/SoE 7 (7) [-] none 8 4147200 B 510.076434 510.274365 5.000 fps ts mono/SoE 8 (0) [-] none 9 4147200 B 510.276421 510.474333 5.000 fps ts mono/SoE 9 (1) [-] none 10 4147200 B 510.476391 510.674429 5.001 fps ts mono/SoE 10 (2) [-] none 11 4147200 B 510.676434 510.874283 4.999 fps ts mono/SoE 11 (3) [-] none 12 4147200 B 510.886264 511.074349 4.766 fps ts mono/SoE 12 (4) [-] none 13 4147200 B 511.070577 511.274304 5.426 fps ts mono/SoE 13 (5) [-] none 14 4147200 B 511.286249 511.474301 4.637 fps ts mono/SoE 14 (6) [-] none 15 4147200 B 511.470542 511.674251 5.426 fps ts mono/SoE 15 (7) [-] none 16 4147200 B 511.672651 511.874337 4.948 fps ts mono/SoE 16 (0) [-] none 17 4147200 B 511.873988 512.074462 4.967 fps ts mono/SoE 17 (1) [-] none 18 4147200 B 512.075982 512.278296 4.951 fps ts mono/SoE 18 (2) [-] none 19 4147200 B 512.282631 512.482423 4.839 fps ts mono/SoE 19 (3) [-] none 20 4147200 B 518.986637 512.686333 0.149 fps ts mono/SoE 20 (4) [-] none 21 4147200 B 518.342709 512.886386 -1.553 fps ts mono/SoE 21 (5) [-] none 22 4147200 B 517.909812 513.090360 -2.310 fps ts mono/SoE 22 (6) [-] none 23 4147200 B 517.590775 513.294454 -3.134 fps ts mono/SoE 23 (7) [-] none 24 4147200 B 513.298465 513.494335 -0.233 fps ts mono/SoE 24 (0) [-] none 25 4147200 B 513.510273 513.698375 4.721 fps ts mono/SoE 25 (1) [-] none 26 4147200 B 513.698904 513.902327 5.301 fps ts mono/SoE 26 (2) [-] none 27 4147200 B 513.895971 514.102348 5.074 fps ts mono/SoE 27 (3) [-] none 28 4147200 B 514.099091 514.306337 4.923 fps ts mono/SoE 28 (4) [-] none 29 4147200 B 514.310348 514.510567 4.734 fps ts mono/SoE 29 (5) [-] none 30 4147200 B 514.509295 514.710367 5.026 fps ts mono/SoE 30 (6) [-] none 31 4147200 B 521.532513 514.914398 0.142 fps ts mono/SoE 31 (7) [-] none 32 4147200 B 520.885277 515.118385 -1.545 fps ts mono/SoE 32 (0) [-] none 33 4147200 B 520.411140 515.318336 -2.109 fps ts mono/SoE 33 (1) [-] none 34 4147200 B 515.325425 515.522278 -0.197 fps ts mono/SoE 34 (2) [-] none 35 4147200 B 515.538276 515.726423 4.698 fps ts mono/SoE 35 (3) [-] none 36 4147200 B 515.720767 515.930373 5.480 fps ts mono/SoE Cc: stable@vger.kernel.org Fixes: 66847ef013cc ("[media] uvcvideo: Add UVC timestamps support") Signed-off-by: Ricardo Ribalda Reviewed-by: Laurent Pinchart Link: https://lore.kernel.org/r/20240610-hwtimestamp-followup-v1-2-f9eaed7be7f0@chromium.org Signed-off-by: Laurent Pinchart Signed-off-by: Ricardo Ribalda Signed-off-by: Greg Kroah-Hartman --- drivers/media/usb/uvc/uvc_video.c | 10 +++++----- 1 file changed, 5 insertions(+), 5 deletions(-) diff --git a/drivers/media/usb/uvc/uvc_video.c b/drivers/media/usb/uvc/uvc_video.c index 288f097e2e6f..f6e97ff7a8e4 100644 --- a/drivers/media/usb/uvc/uvc_video.c +++ b/drivers/media/usb/uvc/uvc_video.c @@ -723,11 +723,11 @@ void uvc_video_clock_update(struct uvc_streaming *stream, unsigned long flags; u64 timestamp; u32 delta_stc; - u32 y1, y2; + u32 y1; u32 x1, x2; u32 mean; u32 sof; - u64 y; + u64 y, y2; if (!uvc_hw_timestamps_param) return; @@ -767,7 +767,7 @@ void uvc_video_clock_update(struct uvc_streaming *stream, sof = y; uvc_trace(UVC_TRACE_CLOCK, "%s: PTS %u y %llu.%06llu SOF %u.%06llu " - "(x1 %u x2 %u y1 %u y2 %u SOF offset %u)\n", + "(x1 %u x2 %u y1 %u y2 %llu SOF offset %u)\n", stream->dev->name, buf->pts, y >> 16, div_u64((y & 0xffff) * 1000000, 65536), sof >> 16, div_u64(((u64)sof & 0xffff) * 1000000LLU, 65536), @@ -782,7 +782,7 @@ void uvc_video_clock_update(struct uvc_streaming *stream, goto done; y1 = NSEC_PER_SEC; - y2 = (u32)ktime_to_ns(ktime_sub(last->host_time, first->host_time)) + y1; + y2 = ktime_to_ns(ktime_sub(last->host_time, first->host_time)) + y1; /* Interpolated and host SOF timestamps can wrap around at slightly * different times. Handle this by adding or removing 2048 to or from @@ -802,7 +802,7 @@ void uvc_video_clock_update(struct uvc_streaming *stream, timestamp = ktime_to_ns(first->host_time) + y - y1; uvc_trace(UVC_TRACE_CLOCK, "%s: SOF %u.%06llu y %llu ts %llu " - "buf ts %llu (x1 %u/%u/%u x2 %u/%u/%u y1 %u y2 %u)\n", + "buf ts %llu (x1 %u/%u/%u x2 %u/%u/%u y1 %u y2 %llu)\n", stream->dev->name, sof >> 16, div_u64(((u64)sof & 0xffff) * 1000000LLU, 65536), y, timestamp, vbuf->vb2_buf.timestamp, From f2b6cd1335d20b64e5f4949d108405c845d3c93f Mon Sep 17 00:00:00 2001 From: Greg Kroah-Hartman Date: Fri, 30 Aug 2024 14:43:57 +0200 Subject: [PATCH 476/702] Revert "Input: ioc3kbd - convert to platform remove callback returning void" MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit This reverts commit 0096d223f78cb48db1ae8ae9fd56d702896ba8ae which is commit 150e792dee9ca8416f3d375e48f2f4d7f701fc6b upstream. It breaks the build and shouldn't be here, it was applied to make a follow-up one apply easier. Reported-by: Dominique Martinet Link: https://lore.kernel.org/r/Zs6hwNxk7QkCe7AW@codewreck.org Cc: Uwe Kleine-König Link: https://lore.kernel.org/r/20230920125829.1478827-37-u.kleine-koenig@pengutronix.de Cc: Dmitry Torokhov Cc: Sasha Levin Signed-off-by: Greg Kroah-Hartman --- drivers/input/serio/ioc3kbd.c | 6 ++++-- 1 file changed, 4 insertions(+), 2 deletions(-) diff --git a/drivers/input/serio/ioc3kbd.c b/drivers/input/serio/ioc3kbd.c index 676b0bda3d72..bf305fbc891d 100644 --- a/drivers/input/serio/ioc3kbd.c +++ b/drivers/input/serio/ioc3kbd.c @@ -190,7 +190,7 @@ static int ioc3kbd_probe(struct platform_device *pdev) return 0; } -static void ioc3kbd_remove(struct platform_device *pdev) +static int ioc3kbd_remove(struct platform_device *pdev) { struct ioc3kbd_data *d = platform_get_drvdata(pdev); @@ -198,6 +198,8 @@ static void ioc3kbd_remove(struct platform_device *pdev) serio_unregister_port(d->kbd); serio_unregister_port(d->aux); + + return 0; } static const struct platform_device_id ioc3kbd_id_table[] = { @@ -208,7 +210,7 @@ MODULE_DEVICE_TABLE(platform, ioc3kbd_id_table); static struct platform_driver ioc3kbd_driver = { .probe = ioc3kbd_probe, - .remove_new = ioc3kbd_remove, + .remove = ioc3kbd_remove, .id_table = ioc3kbd_id_table, .driver = { .name = "ioc3-kbd", From e83405e75d90694ee6a5d898f7f0473ac2686054 Mon Sep 17 00:00:00 2001 From: Niklas Cassel Date: Sat, 29 Jun 2024 14:42:11 +0200 Subject: [PATCH 477/702] ata: libata-core: Fix null pointer dereference on error commit 5d92c7c566dc76d96e0e19e481d926bbe6631c1e upstream. If the ata_port_alloc() call in ata_host_alloc() fails, ata_host_release() will get called. However, the code in ata_host_release() tries to free ata_port struct members unconditionally, which can lead to the following: BUG: unable to handle page fault for address: 0000000000003990 PGD 0 P4D 0 Oops: Oops: 0000 [#1] PREEMPT SMP NOPTI CPU: 10 PID: 594 Comm: (udev-worker) Not tainted 6.10.0-rc5 #44 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.16.3-2.fc40 04/01/2014 RIP: 0010:ata_host_release.cold+0x2f/0x6e [libata] Code: e4 4d 63 f4 44 89 e2 48 c7 c6 90 ad 32 c0 48 c7 c7 d0 70 33 c0 49 83 c6 0e 41 RSP: 0018:ffffc90000ebb968 EFLAGS: 00010246 RAX: 0000000000000041 RBX: ffff88810fb52e78 RCX: 0000000000000000 RDX: 0000000000000000 RSI: ffff88813b3218c0 RDI: ffff88813b3218c0 RBP: ffff88810fb52e40 R08: 0000000000000000 R09: 6c65725f74736f68 R10: ffffc90000ebb738 R11: 73692033203a746e R12: 0000000000000004 R13: 0000000000000000 R14: 0000000000000011 R15: 0000000000000006 FS: 00007f6cc55b9980(0000) GS:ffff88813b300000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000000003990 CR3: 00000001122a2000 CR4: 0000000000750ef0 PKRU: 55555554 Call Trace: ? __die_body.cold+0x19/0x27 ? page_fault_oops+0x15a/0x2f0 ? exc_page_fault+0x7e/0x180 ? asm_exc_page_fault+0x26/0x30 ? ata_host_release.cold+0x2f/0x6e [libata] ? ata_host_release.cold+0x2f/0x6e [libata] release_nodes+0x35/0xb0 devres_release_group+0x113/0x140 ata_host_alloc+0xed/0x120 [libata] ata_host_alloc_pinfo+0x14/0xa0 [libata] ahci_init_one+0x6c9/0xd20 [ahci] Do not access ata_port struct members unconditionally. Fixes: 633273a3ed1c ("libata-pmp: hook PMP support and enable it") Cc: stable@vger.kernel.org Reviewed-by: Damien Le Moal Reviewed-by: Hannes Reinecke Reviewed-by: John Garry Link: https://lore.kernel.org/r/20240629124210.181537-7-cassel@kernel.org Signed-off-by: Niklas Cassel Signed-off-by: Oleksandr Tymoshenko Signed-off-by: Greg Kroah-Hartman --- drivers/ata/libata-core.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/drivers/ata/libata-core.c b/drivers/ata/libata-core.c index 3717ed6fcccc..467fc8002c44 100644 --- a/drivers/ata/libata-core.c +++ b/drivers/ata/libata-core.c @@ -5366,6 +5366,9 @@ static void ata_host_release(struct kref *kref) for (i = 0; i < host->n_ports; i++) { struct ata_port *ap = host->ports[i]; + if (!ap) + continue; + kfree(ap->pmp_link); kfree(ap->slave_link); kfree(ap); From 688325078a8b5badd6e07ae22b27cd04e9947aec Mon Sep 17 00:00:00 2001 From: Chen Ridong Date: Fri, 28 Jun 2024 01:36:04 +0000 Subject: [PATCH 478/702] cgroup/cpuset: Prevent UAF in proc_cpuset_show() commit 1be59c97c83ccd67a519d8a49486b3a8a73ca28a upstream. An UAF can happen when /proc/cpuset is read as reported in [1]. This can be reproduced by the following methods: 1.add an mdelay(1000) before acquiring the cgroup_lock In the cgroup_path_ns function. 2.$cat /proc//cpuset repeatly. 3.$mount -t cgroup -o cpuset cpuset /sys/fs/cgroup/cpuset/ $umount /sys/fs/cgroup/cpuset/ repeatly. The race that cause this bug can be shown as below: (umount) | (cat /proc//cpuset) css_release | proc_cpuset_show css_release_work_fn | css = task_get_css(tsk, cpuset_cgrp_id); css_free_rwork_fn | cgroup_path_ns(css->cgroup, ...); cgroup_destroy_root | mutex_lock(&cgroup_mutex); rebind_subsystems | cgroup_free_root | | // cgrp was freed, UAF | cgroup_path_ns_locked(cgrp,..); When the cpuset is initialized, the root node top_cpuset.css.cgrp will point to &cgrp_dfl_root.cgrp. In cgroup v1, the mount operation will allocate cgroup_root, and top_cpuset.css.cgrp will point to the allocated &cgroup_root.cgrp. When the umount operation is executed, top_cpuset.css.cgrp will be rebound to &cgrp_dfl_root.cgrp. The problem is that when rebinding to cgrp_dfl_root, there are cases where the cgroup_root allocated by setting up the root for cgroup v1 is cached. This could lead to a Use-After-Free (UAF) if it is subsequently freed. The descendant cgroups of cgroup v1 can only be freed after the css is released. However, the css of the root will never be released, yet the cgroup_root should be freed when it is unmounted. This means that obtaining a reference to the css of the root does not guarantee that css.cgrp->root will not be freed. Fix this problem by using rcu_read_lock in proc_cpuset_show(). As cgroup_root is kfree_rcu after commit d23b5c577715 ("cgroup: Make operations on the cgroup root_list RCU safe"), css->cgroup won't be freed during the critical section. To call cgroup_path_ns_locked, css_set_lock is needed, so it is safe to replace task_get_css with task_css. [1] https://syzkaller.appspot.com/bug?extid=9b1ff7be974a403aa4cd Fixes: a79a908fd2b0 ("cgroup: introduce cgroup namespaces") Signed-off-by: Chen Ridong Signed-off-by: Tejun Heo Signed-off-by: Shivani Agarwal Signed-off-by: Greg Kroah-Hartman --- kernel/cgroup/cpuset.c | 13 +++++++++---- 1 file changed, 9 insertions(+), 4 deletions(-) diff --git a/kernel/cgroup/cpuset.c b/kernel/cgroup/cpuset.c index 9f2a93c829a9..731547a0d057 100644 --- a/kernel/cgroup/cpuset.c +++ b/kernel/cgroup/cpuset.c @@ -22,6 +22,7 @@ * distribution for more details. */ +#include "cgroup-internal.h" #include #include #include @@ -3725,10 +3726,14 @@ int proc_cpuset_show(struct seq_file *m, struct pid_namespace *ns, if (!buf) goto out; - css = task_get_css(tsk, cpuset_cgrp_id); - retval = cgroup_path_ns(css->cgroup, buf, PATH_MAX, - current->nsproxy->cgroup_ns); - css_put(css); + rcu_read_lock(); + spin_lock_irq(&css_set_lock); + css = task_css(tsk, cpuset_cgrp_id); + retval = cgroup_path_ns_locked(css->cgroup, buf, PATH_MAX, + current->nsproxy->cgroup_ns); + spin_unlock_irq(&css_set_lock); + rcu_read_unlock(); + if (retval >= PATH_MAX) retval = -ENAMETOOLONG; if (retval < 0) From 338a3ba30c5ef5df9ff733c4b2b97e9edb96e00f Mon Sep 17 00:00:00 2001 From: Allison Henderson Date: Thu, 8 Feb 2024 19:28:54 -0700 Subject: [PATCH 479/702] net:rds: Fix possible deadlock in rds_message_put commit f1acf1ac84d2ae97b7889b87223c1064df850069 upstream. Functions rds_still_queued and rds_clear_recv_queue lock a given socket in order to safely iterate over the incoming rds messages. However calling rds_inc_put while under this lock creates a potential deadlock. rds_inc_put may eventually call rds_message_purge, which will lock m_rs_lock. This is the incorrect locking order since m_rs_lock is meant to be locked before the socket. To fix this, we move the message item to a local list or variable that wont need rs_recv_lock protection. Then we can safely call rds_inc_put on any item stored locally after rs_recv_lock is released. Fixes: bdbe6fbc6a2f ("RDS: recv.c") Reported-by: syzbot+f9db6ff27b9bfdcfeca0@syzkaller.appspotmail.com Reported-by: syzbot+dcd73ff9291e6d34b3ab@syzkaller.appspotmail.com Signed-off-by: Allison Henderson Link: https://lore.kernel.org/r/20240209022854.200292-1-allison.henderson@oracle.com Signed-off-by: Paolo Abeni Signed-off-by: Greg Kroah-Hartman --- net/rds/recv.c | 13 +++++++++++-- 1 file changed, 11 insertions(+), 2 deletions(-) diff --git a/net/rds/recv.c b/net/rds/recv.c index 967d115f97ef..f570d64367a4 100644 --- a/net/rds/recv.c +++ b/net/rds/recv.c @@ -424,6 +424,7 @@ static int rds_still_queued(struct rds_sock *rs, struct rds_incoming *inc, struct sock *sk = rds_rs_to_sk(rs); int ret = 0; unsigned long flags; + struct rds_incoming *to_drop = NULL; write_lock_irqsave(&rs->rs_recv_lock, flags); if (!list_empty(&inc->i_item)) { @@ -434,11 +435,14 @@ static int rds_still_queued(struct rds_sock *rs, struct rds_incoming *inc, -be32_to_cpu(inc->i_hdr.h_len), inc->i_hdr.h_dport); list_del_init(&inc->i_item); - rds_inc_put(inc); + to_drop = inc; } } write_unlock_irqrestore(&rs->rs_recv_lock, flags); + if (to_drop) + rds_inc_put(to_drop); + rdsdebug("inc %p rs %p still %d dropped %d\n", inc, rs, ret, drop); return ret; } @@ -761,16 +765,21 @@ void rds_clear_recv_queue(struct rds_sock *rs) struct sock *sk = rds_rs_to_sk(rs); struct rds_incoming *inc, *tmp; unsigned long flags; + LIST_HEAD(to_drop); write_lock_irqsave(&rs->rs_recv_lock, flags); list_for_each_entry_safe(inc, tmp, &rs->rs_recv_queue, i_item) { rds_recv_rcvbuf_delta(rs, sk, inc->i_conn->c_lcong, -be32_to_cpu(inc->i_hdr.h_len), inc->i_hdr.h_dport); + list_move(&inc->i_item, &to_drop); + } + write_unlock_irqrestore(&rs->rs_recv_lock, flags); + + list_for_each_entry_safe(inc, tmp, &to_drop, i_item) { list_del_init(&inc->i_item); rds_inc_put(inc); } - write_unlock_irqrestore(&rs->rs_recv_lock, flags); } /* From acddd7c6b782880e45028f53704d3c01b3106c19 Mon Sep 17 00:00:00 2001 From: Miklos Szeredi Date: Mon, 14 Dec 2020 15:26:14 +0100 Subject: [PATCH 480/702] ovl: do not fail because of O_NOATIME commit b6650dab404c701d7fe08a108b746542a934da84 upstream. In case the file cannot be opened with O_NOATIME because of lack of capabilities, then clear O_NOATIME instead of failing. Remove WARN_ON(), since it would now trigger if O_NOATIME was cleared. Noticed by Amir Goldstein. Signed-off-by: Miklos Szeredi Signed-off-by: Hugo SIMELIERE Signed-off-by: Greg Kroah-Hartman --- fs/overlayfs/file.c | 11 +++-------- 1 file changed, 3 insertions(+), 8 deletions(-) diff --git a/fs/overlayfs/file.c b/fs/overlayfs/file.c index 244e4258ce16..4440ff43cb66 100644 --- a/fs/overlayfs/file.c +++ b/fs/overlayfs/file.c @@ -53,9 +53,10 @@ static struct file *ovl_open_realfile(const struct file *file, err = inode_permission(realinode, MAY_OPEN | acc_mode); if (err) { realfile = ERR_PTR(err); - } else if (!inode_owner_or_capable(realinode)) { - realfile = ERR_PTR(-EPERM); } else { + if (!inode_owner_or_capable(realinode)) + flags &= ~O_NOATIME; + realfile = open_with_fake_path(&file->f_path, flags, realinode, current_cred()); } @@ -75,12 +76,6 @@ static int ovl_change_flags(struct file *file, unsigned int flags) struct inode *inode = file_inode(file); int err; - flags |= OVL_OPEN_FLAGS; - - /* If some flag changed that cannot be changed then something's amiss */ - if (WARN_ON((file->f_flags ^ flags) & ~OVL_SETFL_MASK)) - return -EIO; - flags &= OVL_SETFL_MASK; if (((flags ^ file->f_flags) & O_APPEND) && IS_APPEND(inode)) From f8e1c92868ad2112e2e63fc6ed38f8cb8797b78e Mon Sep 17 00:00:00 2001 From: Krzysztof Kozlowski Date: Mon, 29 Jul 2024 16:01:57 +0200 Subject: [PATCH 481/702] soundwire: stream: fix programming slave ports for non-continous port maps commit ab8d66d132bc8f1992d3eb6cab8d32dda6733c84 upstream. Two bitmasks in 'struct sdw_slave_prop' - 'source_ports' and 'sink_ports' - define which ports to program in sdw_program_slave_port_params(). The masks are used to get the appropriate data port properties ('struct sdw_get_slave_dpn_prop') from an array. Bitmasks can be non-continuous or can start from index different than 0, thus when looking for matching port property for given port, we must iterate over mask bits, not from 0 up to number of ports. This fixes allocation and programming slave ports, when a source or sink masks start from further index. Fixes: f8101c74aa54 ("soundwire: Add Master and Slave port programming") Cc: stable@vger.kernel.org Signed-off-by: Krzysztof Kozlowski Reviewed-by: Pierre-Louis Bossart Link: https://lore.kernel.org/r/20240729140157.326450-1-krzysztof.kozlowski@linaro.org Signed-off-by: Vinod Koul Signed-off-by: Greg Kroah-Hartman --- drivers/soundwire/stream.c | 8 ++++---- 1 file changed, 4 insertions(+), 4 deletions(-) diff --git a/drivers/soundwire/stream.c b/drivers/soundwire/stream.c index a377c3d02c55..d8f556f793fc 100644 --- a/drivers/soundwire/stream.c +++ b/drivers/soundwire/stream.c @@ -1425,18 +1425,18 @@ struct sdw_dpn_prop *sdw_get_slave_dpn_prop(struct sdw_slave *slave, unsigned int port_num) { struct sdw_dpn_prop *dpn_prop; - u8 num_ports; + unsigned long mask; int i; if (direction == SDW_DATA_DIR_TX) { - num_ports = hweight32(slave->prop.source_ports); + mask = slave->prop.source_ports; dpn_prop = slave->prop.src_dpn_prop; } else { - num_ports = hweight32(slave->prop.sink_ports); + mask = slave->prop.sink_ports; dpn_prop = slave->prop.sink_dpn_prop; } - for (i = 0; i < num_ports; i++) { + for_each_set_bit(i, &mask, 32) { if (dpn_prop[i].num == port_num) return &dpn_prop[i]; } From 9cfe7c53fef163be36ed218b99d16ee52bbfb68f Mon Sep 17 00:00:00 2001 From: Serge Semin Date: Fri, 2 Aug 2024 10:50:46 +0300 Subject: [PATCH 482/702] dmaengine: dw: Add peripheral bus width verification [ Upstream commit b336268dde75cb09bd795cb24893d52152a9191f ] Currently the src_addr_width and dst_addr_width fields of the dma_slave_config structure are mapped to the CTLx.SRC_TR_WIDTH and CTLx.DST_TR_WIDTH fields of the peripheral bus side in order to have the properly aligned data passed to the target device. It's done just by converting the passed peripheral bus width to the encoded value using the __ffs() function. This implementation has several problematic sides: 1. __ffs() is undefined if no bit exist in the passed value. Thus if the specified addr-width is DMA_SLAVE_BUSWIDTH_UNDEFINED, __ffs() may return unexpected value depending on the platform-specific implementation. 2. DW AHB DMA-engine permits having the power-of-2 transfer width limited by the DMAH_Mk_HDATA_WIDTH IP-core synthesize parameter. Specifying bus-width out of that constraints scope will definitely cause unexpected result since the destination reg will be only partly touched than the client driver implied. Let's fix all of that by adding the peripheral bus width verification method and calling it in dwc_config() which is supposed to be executed before preparing any transfer. The new method will make sure that the passed source or destination address width is valid and if undefined then the driver will just fallback to the 1-byte width transfer. Fixes: 029a40e97d0d ("dmaengine: dw: provide DMA capabilities") Signed-off-by: Serge Semin Acked-by: Andy Shevchenko Link: https://lore.kernel.org/r/20240802075100.6475-2-fancer.lancer@gmail.com Signed-off-by: Vinod Koul Signed-off-by: Sasha Levin --- drivers/dma/dw/core.c | 38 ++++++++++++++++++++++++++++++++++++++ 1 file changed, 38 insertions(+) diff --git a/drivers/dma/dw/core.c b/drivers/dma/dw/core.c index 7ab83fe601ed..128c194d65b6 100644 --- a/drivers/dma/dw/core.c +++ b/drivers/dma/dw/core.c @@ -16,6 +16,7 @@ #include #include #include +#include #include #include #include @@ -783,10 +784,43 @@ bool dw_dma_filter(struct dma_chan *chan, void *param) } EXPORT_SYMBOL_GPL(dw_dma_filter); +static int dwc_verify_p_buswidth(struct dma_chan *chan) +{ + struct dw_dma_chan *dwc = to_dw_dma_chan(chan); + struct dw_dma *dw = to_dw_dma(chan->device); + u32 reg_width, max_width; + + if (dwc->dma_sconfig.direction == DMA_MEM_TO_DEV) + reg_width = dwc->dma_sconfig.dst_addr_width; + else if (dwc->dma_sconfig.direction == DMA_DEV_TO_MEM) + reg_width = dwc->dma_sconfig.src_addr_width; + else /* DMA_MEM_TO_MEM */ + return 0; + + max_width = dw->pdata->data_width[dwc->dws.p_master]; + + /* Fall-back to 1-byte transfer width if undefined */ + if (reg_width == DMA_SLAVE_BUSWIDTH_UNDEFINED) + reg_width = DMA_SLAVE_BUSWIDTH_1_BYTE; + else if (!is_power_of_2(reg_width) || reg_width > max_width) + return -EINVAL; + else /* bus width is valid */ + return 0; + + /* Update undefined addr width value */ + if (dwc->dma_sconfig.direction == DMA_MEM_TO_DEV) + dwc->dma_sconfig.dst_addr_width = reg_width; + else /* DMA_DEV_TO_MEM */ + dwc->dma_sconfig.src_addr_width = reg_width; + + return 0; +} + static int dwc_config(struct dma_chan *chan, struct dma_slave_config *sconfig) { struct dw_dma_chan *dwc = to_dw_dma_chan(chan); struct dw_dma *dw = to_dw_dma(chan->device); + int ret; memcpy(&dwc->dma_sconfig, sconfig, sizeof(*sconfig)); @@ -795,6 +829,10 @@ static int dwc_config(struct dma_chan *chan, struct dma_slave_config *sconfig) dwc->dma_sconfig.dst_maxburst = clamp(dwc->dma_sconfig.dst_maxburst, 0U, dwc->max_burst); + ret = dwc_verify_p_buswidth(chan); + if (ret) + return ret; + dw->encode_maxburst(dwc, &dwc->dma_sconfig.src_maxburst); dw->encode_maxburst(dwc, &dwc->dma_sconfig.dst_maxburst); From 2e8e93dea04dcd455e9eab0847deb7934efaa61d Mon Sep 17 00:00:00 2001 From: Serge Semin Date: Fri, 2 Aug 2024 10:50:47 +0300 Subject: [PATCH 483/702] dmaengine: dw: Add memory bus width verification [ Upstream commit d04b21bfa1c50a2ade4816cab6fdc91827b346b1 ] Currently in case of the DEV_TO_MEM or MEM_TO_DEV DMA transfers the memory data width (single transfer width) is determined based on the buffer length, buffer base address or DMA master-channel max address width capability. It isn't enough in case of the channel disabling prior the block transfer is finished. Here is what DW AHB DMA IP-core databook says regarding the port suspension (DMA-transfer pause) implementation in the controller: "When CTLx.SRC_TR_WIDTH < CTLx.DST_TR_WIDTH and the CFGx.CH_SUSP bit is high, the CFGx.FIFO_EMPTY is asserted once the contents of the FIFO do not permit a single word of CTLx.DST_TR_WIDTH to be formed. However, there may still be data in the channel FIFO, but not enough to form a single transfer of CTLx.DST_TR_WIDTH. In this scenario, once the channel is disabled, the remaining data in the channel FIFO is not transferred to the destination peripheral." So in case if the port gets to be suspended and then disabled it's possible to have the data silently discarded even though the controller reported that FIFO is empty and the CTLx.BLOCK_TS indicated the dropped data already received from the source device. This looks as if the data somehow got lost on a way from the peripheral device to memory and causes problems for instance in the DW APB UART driver, which pauses and disables the DMA-transfer as soon as the recv data timeout happens. Here is the way it looks: Memory <------- DMA FIFO <------ UART FIFO <---------------- UART DST_TR_WIDTH -+--------| | | | | | | No more data Current lvl -+--------| |---------+- DMA-burst lvl | | |---------+- Leftover data | | |---------+- SRC_TR_WIDTH -+--------+-------+---------+ In the example above: no more data is getting received over the UART port and BLOCK_TS is not even close to be fully received; some data is left in the UART FIFO, but not enough to perform a bursted DMA-xfer to the DMA FIFO; some data is left in the DMA FIFO, but not enough to be passed further to the system memory in a single transfer. In this situation the 8250 UART driver catches the recv timeout interrupt, pauses the DMA-transfer and terminates it completely, after which the IRQ handler manually fetches the leftover data from the UART FIFO into the recv-buffer. But since the DMA-channel has been disabled with the data left in the DMA FIFO, that data will be just discarded and the recv-buffer will have a gap of the "current lvl" size in the recv-buffer at the tail of the lately received data portion. So the data will be lost just due to the misconfigured DMA transfer. Note this is only relevant for the case of the transfer suspension and _disabling_. No problem will happen if the transfer will be re-enabled afterwards or the block transfer is fully completed. In the later case the "FIFO flush mode" will be executed at the transfer final stage in order to push out the data left in the DMA FIFO. In order to fix the denoted problem the DW AHB DMA-engine driver needs to make sure that the _bursted_ source transfer width is greater or equal to the single destination transfer (note the HW databook describes more strict constraint than actually required). Since the peripheral-device side is prescribed by the client driver logic, the memory-side can be only used for that. The solution can be easily implemented for the DEV_TO_MEM transfers just by adjusting the memory-channel address width. Sadly it's not that easy for the MEM_TO_DEV transfers since the mem-to-dma burst size is normally dynamically determined by the controller. So the only thing that can be done is to make sure that memory-side address width is greater than the peripheral device address width. Fixes: a09820043c9e ("dw_dmac: autoconfigure data_width or get it via platform data") Signed-off-by: Serge Semin Acked-by: Andy Shevchenko Link: https://lore.kernel.org/r/20240802075100.6475-3-fancer.lancer@gmail.com Signed-off-by: Vinod Koul Signed-off-by: Sasha Levin --- drivers/dma/dw/core.c | 51 +++++++++++++++++++++++++++++++++++++------ 1 file changed, 44 insertions(+), 7 deletions(-) diff --git a/drivers/dma/dw/core.c b/drivers/dma/dw/core.c index 128c194d65b6..0beafcee7267 100644 --- a/drivers/dma/dw/core.c +++ b/drivers/dma/dw/core.c @@ -625,12 +625,10 @@ dwc_prep_slave_sg(struct dma_chan *chan, struct scatterlist *sgl, struct dw_desc *prev; struct dw_desc *first; u32 ctllo, ctlhi; - u8 m_master = dwc->dws.m_master; - u8 lms = DWC_LLP_LMS(m_master); + u8 lms = DWC_LLP_LMS(dwc->dws.m_master); dma_addr_t reg; unsigned int reg_width; unsigned int mem_width; - unsigned int data_width = dw->pdata->data_width[m_master]; unsigned int i; struct scatterlist *sg; size_t total_len = 0; @@ -664,7 +662,7 @@ dwc_prep_slave_sg(struct dma_chan *chan, struct scatterlist *sgl, mem = sg_dma_address(sg); len = sg_dma_len(sg); - mem_width = __ffs(data_width | mem | len); + mem_width = __ffs(sconfig->src_addr_width | mem | len); slave_sg_todev_fill_desc: desc = dwc_desc_get(dwc); @@ -724,7 +722,7 @@ dwc_prep_slave_sg(struct dma_chan *chan, struct scatterlist *sgl, lli_write(desc, sar, reg); lli_write(desc, dar, mem); lli_write(desc, ctlhi, ctlhi); - mem_width = __ffs(data_width | mem); + mem_width = __ffs(sconfig->dst_addr_width | mem); lli_write(desc, ctllo, ctllo | DWC_CTLL_DST_WIDTH(mem_width)); desc->len = dlen; @@ -816,6 +814,41 @@ static int dwc_verify_p_buswidth(struct dma_chan *chan) return 0; } +static int dwc_verify_m_buswidth(struct dma_chan *chan) +{ + struct dw_dma_chan *dwc = to_dw_dma_chan(chan); + struct dw_dma *dw = to_dw_dma(chan->device); + u32 reg_width, reg_burst, mem_width; + + mem_width = dw->pdata->data_width[dwc->dws.m_master]; + + /* + * It's possible to have a data portion locked in the DMA FIFO in case + * of the channel suspension. Subsequent channel disabling will cause + * that data silent loss. In order to prevent that maintain the src and + * dst transfer widths coherency by means of the relation: + * (CTLx.SRC_TR_WIDTH * CTLx.SRC_MSIZE >= CTLx.DST_TR_WIDTH) + * Look for the details in the commit message that brings this change. + * + * Note the DMA configs utilized in the calculations below must have + * been verified to have correct values by this method call. + */ + if (dwc->dma_sconfig.direction == DMA_MEM_TO_DEV) { + reg_width = dwc->dma_sconfig.dst_addr_width; + if (mem_width < reg_width) + return -EINVAL; + + dwc->dma_sconfig.src_addr_width = mem_width; + } else if (dwc->dma_sconfig.direction == DMA_DEV_TO_MEM) { + reg_width = dwc->dma_sconfig.src_addr_width; + reg_burst = rounddown_pow_of_two(dwc->dma_sconfig.src_maxburst); + + dwc->dma_sconfig.dst_addr_width = min(mem_width, reg_width * reg_burst); + } + + return 0; +} + static int dwc_config(struct dma_chan *chan, struct dma_slave_config *sconfig) { struct dw_dma_chan *dwc = to_dw_dma_chan(chan); @@ -825,14 +858,18 @@ static int dwc_config(struct dma_chan *chan, struct dma_slave_config *sconfig) memcpy(&dwc->dma_sconfig, sconfig, sizeof(*sconfig)); dwc->dma_sconfig.src_maxburst = - clamp(dwc->dma_sconfig.src_maxburst, 0U, dwc->max_burst); + clamp(dwc->dma_sconfig.src_maxburst, 1U, dwc->max_burst); dwc->dma_sconfig.dst_maxburst = - clamp(dwc->dma_sconfig.dst_maxburst, 0U, dwc->max_burst); + clamp(dwc->dma_sconfig.dst_maxburst, 1U, dwc->max_burst); ret = dwc_verify_p_buswidth(chan); if (ret) return ret; + ret = dwc_verify_m_buswidth(chan); + if (ret) + return ret; + dw->encode_maxburst(dwc, &dwc->dma_sconfig.src_maxburst); dw->encode_maxburst(dwc, &dwc->dma_sconfig.dst_maxburst); From 842a40c7273ba1c1cb30dda50405b328de1d860e Mon Sep 17 00:00:00 2001 From: Jamie Bainbridge Date: Fri, 23 Aug 2024 16:26:58 +1000 Subject: [PATCH 484/702] ethtool: check device is present when getting link settings [ Upstream commit a699781c79ecf6cfe67fb00a0331b4088c7c8466 ] A sysfs reader can race with a device reset or removal, attempting to read device state when the device is not actually present. eg: [exception RIP: qed_get_current_link+17] #8 [ffffb9e4f2907c48] qede_get_link_ksettings at ffffffffc07a994a [qede] #9 [ffffb9e4f2907cd8] __rh_call_get_link_ksettings at ffffffff992b01a3 #10 [ffffb9e4f2907d38] __ethtool_get_link_ksettings at ffffffff992b04e4 #11 [ffffb9e4f2907d90] duplex_show at ffffffff99260300 #12 [ffffb9e4f2907e38] dev_attr_show at ffffffff9905a01c #13 [ffffb9e4f2907e50] sysfs_kf_seq_show at ffffffff98e0145b #14 [ffffb9e4f2907e68] seq_read at ffffffff98d902e3 #15 [ffffb9e4f2907ec8] vfs_read at ffffffff98d657d1 #16 [ffffb9e4f2907f00] ksys_read at ffffffff98d65c3f #17 [ffffb9e4f2907f38] do_syscall_64 at ffffffff98a052fb crash> struct net_device.state ffff9a9d21336000 state = 5, state 5 is __LINK_STATE_START (0b1) and __LINK_STATE_NOCARRIER (0b100). The device is not present, note lack of __LINK_STATE_PRESENT (0b10). This is the same sort of panic as observed in commit 4224cfd7fb65 ("net-sysfs: add check for netdevice being present to speed_show"). There are many other callers of __ethtool_get_link_ksettings() which don't have a device presence check. Move this check into ethtool to protect all callers. Fixes: d519e17e2d01 ("net: export device speed and duplex via sysfs") Fixes: 4224cfd7fb65 ("net-sysfs: add check for netdevice being present to speed_show") Signed-off-by: Jamie Bainbridge Link: https://patch.msgid.link/8bae218864beaa44ed01628140475b9bf641c5b0.1724393671.git.jamie.bainbridge@gmail.com Signed-off-by: Jakub Kicinski Signed-off-by: Sasha Levin --- net/core/net-sysfs.c | 2 +- net/ethtool/ioctl.c | 3 +++ 2 files changed, 4 insertions(+), 1 deletion(-) diff --git a/net/core/net-sysfs.c b/net/core/net-sysfs.c index 989b3f7ee85f..99303897b7bb 100644 --- a/net/core/net-sysfs.c +++ b/net/core/net-sysfs.c @@ -213,7 +213,7 @@ static ssize_t speed_show(struct device *dev, if (!rtnl_trylock()) return restart_syscall(); - if (netif_running(netdev) && netif_device_present(netdev)) { + if (netif_running(netdev)) { struct ethtool_link_ksettings cmd; if (!__ethtool_get_link_ksettings(netdev, &cmd)) diff --git a/net/ethtool/ioctl.c b/net/ethtool/ioctl.c index 12bf740e2fb3..0a588545d352 100644 --- a/net/ethtool/ioctl.c +++ b/net/ethtool/ioctl.c @@ -432,6 +432,9 @@ int __ethtool_get_link_ksettings(struct net_device *dev, if (!dev->ethtool_ops->get_link_ksettings) return -EOPNOTSUPP; + if (!netif_device_present(dev)) + return -ENODEV; + memset(link_ksettings, 0, sizeof(*link_ksettings)); return dev->ethtool_ops->get_link_ksettings(dev, link_ksettings); } From 8bbb9e4e0e66a39282e582d0440724055404b38c Mon Sep 17 00:00:00 2001 From: Cong Wang Date: Sun, 25 Aug 2024 12:16:38 -0700 Subject: [PATCH 485/702] gtp: fix a potential NULL pointer dereference [ Upstream commit defd8b3c37b0f9cb3e0f60f47d3d78d459d57fda ] When sockfd_lookup() fails, gtp_encap_enable_socket() returns a NULL pointer, but its callers only check for error pointers thus miss the NULL pointer case. Fix it by returning an error pointer with the error code carried from sockfd_lookup(). (I found this bug during code inspection.) Fixes: 1e3a3abd8b28 ("gtp: make GTP sockets in gtp_newlink optional") Cc: Andreas Schultz Cc: Harald Welte Signed-off-by: Cong Wang Reviewed-by: Simon Horman Reviewed-by: Pablo Neira Ayuso Link: https://patch.msgid.link/20240825191638.146748-1-xiyou.wangcong@gmail.com Signed-off-by: Jakub Kicinski Signed-off-by: Sasha Levin --- drivers/net/gtp.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/net/gtp.c b/drivers/net/gtp.c index 993960f0fa3c..24cb7b97e4fc 100644 --- a/drivers/net/gtp.c +++ b/drivers/net/gtp.c @@ -801,7 +801,7 @@ static struct sock *gtp_encap_enable_socket(int fd, int type, sock = sockfd_lookup(fd, &err); if (!sock) { pr_debug("gtp socket fd=%d not found\n", fd); - return NULL; + return ERR_PTR(err); } sk = sock->sk; From 7e5d5c4ae7078d957e848e72c2638de33184fa25 Mon Sep 17 00:00:00 2001 From: Eric Dumazet Date: Tue, 27 Aug 2024 11:49:16 +0000 Subject: [PATCH 486/702] net: busy-poll: use ktime_get_ns() instead of local_clock() [ Upstream commit 0870b0d8b393dde53106678a1e2cec9dfa52f9b7 ] Typically, busy-polling durations are below 100 usec. When/if the busy-poller thread migrates to another cpu, local_clock() can be off by +/-2msec or more for small values of HZ, depending on the platform. Use ktimer_get_ns() to ensure deterministic behavior, which is the whole point of busy-polling. Fixes: 060212928670 ("net: add low latency socket poll") Fixes: 9a3c71aa8024 ("net: convert low latency sockets to sched_clock()") Fixes: 37089834528b ("sched, net: Fixup busy_loop_us_clock()") Signed-off-by: Eric Dumazet Cc: Mina Almasry Cc: Willem de Bruijn Reviewed-by: Joe Damato Link: https://patch.msgid.link/20240827114916.223377-1-edumazet@google.com Signed-off-by: Jakub Kicinski Signed-off-by: Sasha Levin --- include/net/busy_poll.h | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/include/net/busy_poll.h b/include/net/busy_poll.h index 36e5e75e7172..be01eda3b6ff 100644 --- a/include/net/busy_poll.h +++ b/include/net/busy_poll.h @@ -61,7 +61,7 @@ static inline bool sk_can_busy_loop(struct sock *sk) static inline unsigned long busy_loop_current_time(void) { #ifdef CONFIG_NET_RX_BUSY_POLL - return (unsigned long)(local_clock() >> 10); + return (unsigned long)(ktime_get_ns() >> 10); #else return 0; #endif From 8ddaea033de051ed61b39f6b69ad54a411172b33 Mon Sep 17 00:00:00 2001 From: Aleksandr Mishin Date: Tue, 27 Aug 2024 11:48:22 +0300 Subject: [PATCH 487/702] nfc: pn533: Add poll mod list filling check [ Upstream commit febccb39255f9df35527b88c953b2e0deae50e53 ] In case of im_protocols value is 1 and tm_protocols value is 0 this combination successfully passes the check 'if (!im_protocols && !tm_protocols)' in the nfc_start_poll(). But then after pn533_poll_create_mod_list() call in pn533_start_poll() poll mod list will remain empty and dev->poll_mod_count will remain 0 which lead to division by zero. Normally no im protocol has value 1 in the mask, so this combination is not expected by driver. But these protocol values actually come from userspace via Netlink interface (NFC_CMD_START_POLL operation). So a broken or malicious program may pass a message containing a "bad" combination of protocol parameter values so that dev->poll_mod_count is not incremented inside pn533_poll_create_mod_list(), thus leading to division by zero. Call trace looks like: nfc_genl_start_poll() nfc_start_poll() ->start_poll() pn533_start_poll() Add poll mod list filling check. Found by Linux Verification Center (linuxtesting.org) with SVACE. Fixes: dfccd0f58044 ("NFC: pn533: Add some polling entropy") Signed-off-by: Aleksandr Mishin Acked-by: Krzysztof Kozlowski Link: https://patch.msgid.link/20240827084822.18785-1-amishin@t-argos.ru Signed-off-by: Paolo Abeni Signed-off-by: Sasha Levin --- drivers/nfc/pn533/pn533.c | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/drivers/nfc/pn533/pn533.c b/drivers/nfc/pn533/pn533.c index 87e1296c6838..4de5205d9d61 100644 --- a/drivers/nfc/pn533/pn533.c +++ b/drivers/nfc/pn533/pn533.c @@ -1751,6 +1751,11 @@ static int pn533_start_poll(struct nfc_dev *nfc_dev, } pn533_poll_create_mod_list(dev, im_protocols, tm_protocols); + if (!dev->poll_mod_count) { + nfc_err(dev->dev, + "Poll mod list is empty\n"); + return -EINVAL; + } /* Do not always start polling from the same modulation */ get_random_bytes(&rand_mod, sizeof(rand_mod)); From f5a5a5a0e95f36e2792d48e6e4b64e665eb01374 Mon Sep 17 00:00:00 2001 From: Volodymyr Babchuk Date: Thu, 18 Jul 2024 11:33:23 +0530 Subject: [PATCH 488/702] soc: qcom: cmd-db: Map shared memory as WC, not WB commit f9bb896eab221618927ae6a2f1d566567999839d upstream. Linux does not write into cmd-db region. This region of memory is write protected by XPU. XPU may sometime falsely detect clean cache eviction as "write" into the write protected region leading to secure interrupt which causes an endless loop somewhere in Trust Zone. The only reason it is working right now is because Qualcomm Hypervisor maps the same region as Non-Cacheable memory in Stage 2 translation tables. The issue manifests if we want to use another hypervisor (like Xen or KVM), which does not know anything about those specific mappings. Changing the mapping of cmd-db memory from MEMREMAP_WB to MEMREMAP_WT/WC removes dependency on correct mappings in Stage 2 tables. This patch fixes the issue by updating the mapping to MEMREMAP_WC. I tested this on SA8155P with Xen. Fixes: 312416d9171a ("drivers: qcom: add command DB driver") Cc: stable@vger.kernel.org # 5.4+ Signed-off-by: Volodymyr Babchuk Tested-by: Nikita Travkin # sc7180 WoA in EL2 Signed-off-by: Maulik Shah Tested-by: Pavankumar Kondeti Reviewed-by: Caleb Connolly Link: https://lore.kernel.org/r/20240718-cmd_db_uncached-v2-1-f6cf53164c90@quicinc.com Signed-off-by: Bjorn Andersson Signed-off-by: Greg Kroah-Hartman --- drivers/soc/qcom/cmd-db.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/soc/qcom/cmd-db.c b/drivers/soc/qcom/cmd-db.c index fc5610603b17..006bb28e2a6e 100644 --- a/drivers/soc/qcom/cmd-db.c +++ b/drivers/soc/qcom/cmd-db.c @@ -319,7 +319,7 @@ static int cmd_db_dev_probe(struct platform_device *pdev) return -EINVAL; } - cmd_db_header = memremap(rmem->base, rmem->size, MEMREMAP_WB); + cmd_db_header = memremap(rmem->base, rmem->size, MEMREMAP_WC); if (!cmd_db_header) { ret = -ENOMEM; cmd_db_header = NULL; From 612843f842add67a05015aec4f611af303188c85 Mon Sep 17 00:00:00 2001 From: Ian Ray Date: Wed, 14 Aug 2024 10:29:05 +0300 Subject: [PATCH 489/702] cdc-acm: Add DISABLE_ECHO quirk for GE HealthCare UI Controller commit 0b00583ecacb0b51712a5ecd34cf7e6684307c67 upstream. USB_DEVICE(0x1901, 0x0006) may send data before cdc_acm is ready, which may be misinterpreted in the default N_TTY line discipline. Signed-off-by: Ian Ray Acked-by: Oliver Neuku Cc: stable Link: https://lore.kernel.org/r/20240814072905.2501-1-ian.ray@gehealthcare.com Signed-off-by: Greg Kroah-Hartman --- drivers/usb/class/cdc-acm.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/drivers/usb/class/cdc-acm.c b/drivers/usb/class/cdc-acm.c index 4e4a71307d63..c494b77e6749 100644 --- a/drivers/usb/class/cdc-acm.c +++ b/drivers/usb/class/cdc-acm.c @@ -1757,6 +1757,9 @@ static const struct usb_device_id acm_ids[] = { { USB_DEVICE(0x11ca, 0x0201), /* VeriFone Mx870 Gadget Serial */ .driver_info = SINGLE_RX_URB, }, + { USB_DEVICE(0x1901, 0x0006), /* GE Healthcare Patient Monitor UI Controller */ + .driver_info = DISABLE_ECHO, /* DISABLE ECHO in termios flag */ + }, { USB_DEVICE(0x1965, 0x0018), /* Uniden UBC125XLT */ .driver_info = NO_UNION_NORMAL, /* has no union descriptor */ }, From f84d5dccc8552baf9bf221e5d644c1dcdeaeeb5f Mon Sep 17 00:00:00 2001 From: ZHANG Yuntian Date: Sat, 3 Aug 2024 15:46:07 +0800 Subject: [PATCH 490/702] USB: serial: option: add MeiG Smart SRM825L commit 9a471de516c35219d1722c13367191ce1f120fe9 upstream. Add support for MeiG Smart SRM825L which is based on Qualcomm 315 chip. T: Bus=04 Lev=01 Prnt=01 Port=00 Cnt=01 Dev#= 2 Spd=5000 MxCh= 0 D: Ver= 3.20 Cls=00(>ifc ) Sub=00 Prot=00 MxPS= 9 #Cfgs= 1 P: Vendor=2dee ProdID=4d22 Rev= 4.14 S: Manufacturer=MEIG S: Product=LTE-A Module S: SerialNumber=6f345e48 C:* #Ifs= 6 Cfg#= 1 Atr=80 MxPwr=896mA I:* If#= 0 Alt= 0 #EPs= 2 Cls=ff(vend.) Sub=ff Prot=30 Driver=option E: Ad=81(I) Atr=02(Bulk) MxPS=1024 Ivl=0ms E: Ad=01(O) Atr=02(Bulk) MxPS=1024 Ivl=0ms I:* If#= 1 Alt= 0 #EPs= 3 Cls=ff(vend.) Sub=ff Prot=40 Driver=option E: Ad=83(I) Atr=03(Int.) MxPS= 10 Ivl=32ms E: Ad=82(I) Atr=02(Bulk) MxPS=1024 Ivl=0ms E: Ad=02(O) Atr=02(Bulk) MxPS=1024 Ivl=0ms I:* If#= 2 Alt= 0 #EPs= 3 Cls=ff(vend.) Sub=ff Prot=40 Driver=option E: Ad=85(I) Atr=03(Int.) MxPS= 10 Ivl=32ms E: Ad=84(I) Atr=02(Bulk) MxPS=1024 Ivl=0ms E: Ad=03(O) Atr=02(Bulk) MxPS=1024 Ivl=0ms I:* If#= 3 Alt= 0 #EPs= 3 Cls=ff(vend.) Sub=ff Prot=60 Driver=option E: Ad=87(I) Atr=03(Int.) MxPS= 10 Ivl=32ms E: Ad=86(I) Atr=02(Bulk) MxPS=1024 Ivl=0ms E: Ad=04(O) Atr=02(Bulk) MxPS=1024 Ivl=0ms I:* If#= 4 Alt= 0 #EPs= 2 Cls=ff(vend.) Sub=42 Prot=01 Driver=(none) E: Ad=05(O) Atr=02(Bulk) MxPS=1024 Ivl=0ms E: Ad=88(I) Atr=02(Bulk) MxPS=1024 Ivl=0ms I:* If#= 5 Alt= 0 #EPs= 3 Cls=ff(vend.) Sub=ff Prot=50 Driver=qmi_wwan E: Ad=89(I) Atr=03(Int.) MxPS= 8 Ivl=32ms E: Ad=8e(I) Atr=02(Bulk) MxPS=1024 Ivl=0ms E: Ad=0f(O) Atr=02(Bulk) MxPS=1024 Ivl=0ms Signed-off-by: ZHANG Yuntian Link: https://lore.kernel.org/0041DFA5200EFB1B+20240803074619.563116-1-yt@radxa.com/ Cc: stable@vger.kernel.org Signed-off-by: Johan Hovold Signed-off-by: Greg Kroah-Hartman --- drivers/usb/serial/option.c | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/drivers/usb/serial/option.c b/drivers/usb/serial/option.c index 73d97f7bf15b..c9fade980f36 100644 --- a/drivers/usb/serial/option.c +++ b/drivers/usb/serial/option.c @@ -619,6 +619,8 @@ static void option_instat_callback(struct urb *urb); /* MeiG Smart Technology products */ #define MEIGSMART_VENDOR_ID 0x2dee +/* MeiG Smart SRM825L based on Qualcomm 315 */ +#define MEIGSMART_PRODUCT_SRM825L 0x4d22 /* MeiG Smart SLM320 based on UNISOC UIS8910 */ #define MEIGSMART_PRODUCT_SLM320 0x4d41 @@ -2366,6 +2368,9 @@ static const struct usb_device_id option_ids[] = { { USB_DEVICE_AND_INTERFACE_INFO(UNISOC_VENDOR_ID, TOZED_PRODUCT_LT70C, 0xff, 0, 0) }, { USB_DEVICE_AND_INTERFACE_INFO(UNISOC_VENDOR_ID, LUAT_PRODUCT_AIR720U, 0xff, 0, 0) }, { USB_DEVICE_AND_INTERFACE_INFO(MEIGSMART_VENDOR_ID, MEIGSMART_PRODUCT_SLM320, 0xff, 0, 0) }, + { USB_DEVICE_AND_INTERFACE_INFO(MEIGSMART_VENDOR_ID, MEIGSMART_PRODUCT_SRM825L, 0xff, 0xff, 0x30) }, + { USB_DEVICE_AND_INTERFACE_INFO(MEIGSMART_VENDOR_ID, MEIGSMART_PRODUCT_SRM825L, 0xff, 0xff, 0x40) }, + { USB_DEVICE_AND_INTERFACE_INFO(MEIGSMART_VENDOR_ID, MEIGSMART_PRODUCT_SRM825L, 0xff, 0xff, 0x60) }, { } /* Terminating entry */ }; MODULE_DEVICE_TABLE(usb, option_ids); From 16cc6114c981e8b5e740c016711b9e175be59fbc Mon Sep 17 00:00:00 2001 From: Krzysztof Kozlowski Date: Fri, 16 Aug 2024 09:54:08 +0200 Subject: [PATCH 491/702] usb: dwc3: omap: add missing depopulate in probe error path commit 2aa765a43817ec8add990f83c8e54a9a5d87aa9c upstream. Depopulate device in probe error paths to fix leak of children resources. Fixes: ee249b455494 ("usb: dwc3: omap: remove IRQ_NOAUTOEN used with shared irq") Cc: stable@vger.kernel.org Acked-by: Thinh Nguyen Signed-off-by: Krzysztof Kozlowski Reviewed-by: Radhey Shyam Pandey Link: https://lore.kernel.org/r/20240816075409.23080-1-krzysztof.kozlowski@linaro.org Signed-off-by: Greg Kroah-Hartman --- drivers/usb/dwc3/dwc3-omap.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/drivers/usb/dwc3/dwc3-omap.c b/drivers/usb/dwc3/dwc3-omap.c index efaf0db595f4..6b59bbb22da4 100644 --- a/drivers/usb/dwc3/dwc3-omap.c +++ b/drivers/usb/dwc3/dwc3-omap.c @@ -522,11 +522,13 @@ static int dwc3_omap_probe(struct platform_device *pdev) if (ret) { dev_err(dev, "failed to request IRQ #%d --> %d\n", omap->irq, ret); - goto err1; + goto err2; } dwc3_omap_enable_irqs(omap); return 0; +err2: + of_platform_depopulate(dev); err1: pm_runtime_put_sync(dev); pm_runtime_disable(dev); From b72da4d89b97da71e056cc4d1429b2bc426a9c2f Mon Sep 17 00:00:00 2001 From: Selvarasu Ganesan Date: Thu, 15 Aug 2024 12:18:31 +0530 Subject: [PATCH 492/702] usb: dwc3: core: Prevent USB core invalid event buffer address access commit 14e497183df28c006603cc67fd3797a537eef7b9 upstream. This commit addresses an issue where the USB core could access an invalid event buffer address during runtime suspend, potentially causing SMMU faults and other memory issues in Exynos platforms. The problem arises from the following sequence. 1. In dwc3_gadget_suspend, there is a chance of a timeout when moving the USB core to the halt state after clearing the run/stop bit by software. 2. In dwc3_core_exit, the event buffer is cleared regardless of the USB core's status, which may lead to an SMMU faults and other memory issues. if the USB core tries to access the event buffer address. To prevent this hardware quirk on Exynos platforms, this commit ensures that the event buffer address is not cleared by software when the USB core is active during runtime suspend by checking its status before clearing the buffer address. Cc: stable Signed-off-by: Selvarasu Ganesan Acked-by: Thinh Nguyen Link: https://lore.kernel.org/r/20240815064836.1491-1-selvarasu.g@samsung.com Signed-off-by: Greg Kroah-Hartman --- drivers/usb/dwc3/core.c | 8 ++++++++ 1 file changed, 8 insertions(+) diff --git a/drivers/usb/dwc3/core.c b/drivers/usb/dwc3/core.c index f4497522f929..ee7682faa6f3 100644 --- a/drivers/usb/dwc3/core.c +++ b/drivers/usb/dwc3/core.c @@ -477,9 +477,17 @@ int dwc3_event_buffers_setup(struct dwc3 *dwc) void dwc3_event_buffers_cleanup(struct dwc3 *dwc) { struct dwc3_event_buffer *evt; + u32 reg; if (!dwc->ev_buf) return; + /* + * Exynos platforms may not be able to access event buffer if the + * controller failed to halt on dwc3_core_exit(). + */ + reg = dwc3_readl(dwc->regs, DWC3_DSTS); + if (!(reg & DWC3_DSTS_DEVCTRLHLT)) + return; evt = dwc->ev_buf; From 6aee4c5635d81f4809c3b9f0c198a65adfbb2ada Mon Sep 17 00:00:00 2001 From: Krzysztof Kozlowski Date: Wed, 14 Aug 2024 11:39:56 +0200 Subject: [PATCH 493/702] usb: dwc3: st: fix probed platform device ref count on probe error path commit ddfcfeba891064b88bb844208b43bef2ef970f0c upstream. The probe function never performs any paltform device allocation, thus error path "undo_platform_dev_alloc" is entirely bogus. It drops the reference count from the platform device being probed. If error path is triggered, this will lead to unbalanced device reference counts and premature release of device resources, thus possible use-after-free when releasing remaining devm-managed resources. Fixes: f83fca0707c6 ("usb: dwc3: add ST dwc3 glue layer to manage dwc3 HC") Cc: stable@vger.kernel.org Signed-off-by: Krzysztof Kozlowski Acked-by: Thinh Nguyen Reviewed-by: Patrice Chotard Link: https://lore.kernel.org/r/20240814093957.37940-1-krzysztof.kozlowski@linaro.org Signed-off-by: Greg Kroah-Hartman --- drivers/usb/dwc3/dwc3-st.c | 11 +++-------- 1 file changed, 3 insertions(+), 8 deletions(-) diff --git a/drivers/usb/dwc3/dwc3-st.c b/drivers/usb/dwc3/dwc3-st.c index e733be840545..a150855b4b05 100644 --- a/drivers/usb/dwc3/dwc3-st.c +++ b/drivers/usb/dwc3/dwc3-st.c @@ -219,10 +219,8 @@ static int st_dwc3_probe(struct platform_device *pdev) dwc3_data->regmap = regmap; res = platform_get_resource_byname(pdev, IORESOURCE_MEM, "syscfg-reg"); - if (!res) { - ret = -ENXIO; - goto undo_platform_dev_alloc; - } + if (!res) + return -ENXIO; dwc3_data->syscfg_reg_off = res->start; @@ -233,8 +231,7 @@ static int st_dwc3_probe(struct platform_device *pdev) devm_reset_control_get_exclusive(dev, "powerdown"); if (IS_ERR(dwc3_data->rstc_pwrdn)) { dev_err(&pdev->dev, "could not get power controller\n"); - ret = PTR_ERR(dwc3_data->rstc_pwrdn); - goto undo_platform_dev_alloc; + return PTR_ERR(dwc3_data->rstc_pwrdn); } /* Manage PowerDown */ @@ -300,8 +297,6 @@ static int st_dwc3_probe(struct platform_device *pdev) reset_control_assert(dwc3_data->rstc_rst); undo_powerdown: reset_control_assert(dwc3_data->rstc_pwrdn); -undo_platform_dev_alloc: - platform_device_put(pdev); return ret; } From 59579a627adbe34a8b8dfbb226cc164ae8f7c19a Mon Sep 17 00:00:00 2001 From: Krzysztof Kozlowski Date: Wed, 14 Aug 2024 11:39:57 +0200 Subject: [PATCH 494/702] usb: dwc3: st: add missing depopulate in probe error path commit cd4897bfd14f6a5388b21ba45a066541a0425199 upstream. Depopulate device in probe error paths to fix leak of children resources. Fixes: f83fca0707c6 ("usb: dwc3: add ST dwc3 glue layer to manage dwc3 HC") Cc: stable@vger.kernel.org Signed-off-by: Krzysztof Kozlowski Reviewed-by: Patrice Chotard Acked-by: Thinh Nguyen Link: https://lore.kernel.org/r/20240814093957.37940-2-krzysztof.kozlowski@linaro.org Signed-off-by: Greg Kroah-Hartman --- drivers/usb/dwc3/dwc3-st.c | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-) diff --git a/drivers/usb/dwc3/dwc3-st.c b/drivers/usb/dwc3/dwc3-st.c index a150855b4b05..e0ab69bdddbe 100644 --- a/drivers/usb/dwc3/dwc3-st.c +++ b/drivers/usb/dwc3/dwc3-st.c @@ -266,7 +266,7 @@ static int st_dwc3_probe(struct platform_device *pdev) if (!child_pdev) { dev_err(dev, "failed to find dwc3 core device\n"); ret = -ENODEV; - goto err_node_put; + goto depopulate; } dwc3_data->dr_mode = usb_get_dr_mode(&child_pdev->dev); @@ -282,6 +282,7 @@ static int st_dwc3_probe(struct platform_device *pdev) ret = st_dwc3_drd_init(dwc3_data); if (ret) { dev_err(dev, "drd initialisation failed\n"); + of_platform_depopulate(dev); goto undo_softreset; } @@ -291,6 +292,8 @@ static int st_dwc3_probe(struct platform_device *pdev) platform_set_drvdata(pdev, dwc3_data); return 0; +depopulate: + of_platform_depopulate(dev); err_node_put: of_node_put(child); undo_softreset: From 4538335cc23ddc01dfe39e3a28b6337bc876287f Mon Sep 17 00:00:00 2001 From: Zijun Hu Date: Tue, 20 Aug 2024 19:01:27 +0800 Subject: [PATCH 495/702] usb: core: sysfs: Unmerge @usb3_hardware_lpm_attr_group in remove_power_attributes() commit 3a8839bbb86da7968a792123ed2296d063871a52 upstream. Device attribute group @usb3_hardware_lpm_attr_group is merged by add_power_attributes(), but it is not unmerged explicitly, fixed by unmerging it in remove_power_attributes(). Fixes: 655fe4effe0f ("usbcore: add sysfs support to xHCI usb3 hardware LPM") Cc: stable@vger.kernel.org Signed-off-by: Zijun Hu Link: https://lore.kernel.org/r/20240820-sysfs_fix-v2-1-a9441487077e@quicinc.com Signed-off-by: Greg Kroah-Hartman --- drivers/usb/core/sysfs.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/usb/core/sysfs.c b/drivers/usb/core/sysfs.c index 366c09521785..d93a02e6050b 100644 --- a/drivers/usb/core/sysfs.c +++ b/drivers/usb/core/sysfs.c @@ -667,6 +667,7 @@ static int add_power_attributes(struct device *dev) static void remove_power_attributes(struct device *dev) { + sysfs_unmerge_group(&dev->kobj, &usb3_hardware_lpm_attr_group); sysfs_unmerge_group(&dev->kobj, &usb2_hardware_lpm_attr_group); sysfs_unmerge_group(&dev->kobj, &power_attr_group); } From 9e96dea7eff6f2bbcd0b42a098012fc66af9eb69 Mon Sep 17 00:00:00 2001 From: Ben Hutchings Date: Thu, 22 Aug 2024 00:51:42 +0200 Subject: [PATCH 496/702] scsi: aacraid: Fix double-free on probe failure [ Upstream commit 919ddf8336f0b84c0453bac583808c9f165a85c2 ] aac_probe_one() calls hardware-specific init functions through the aac_driver_ident::init pointer, all of which eventually call down to aac_init_adapter(). If aac_init_adapter() fails after allocating memory for aac_dev::queues, it frees the memory but does not clear that member. After the hardware-specific init function returns an error, aac_probe_one() goes down an error path that frees the memory pointed to by aac_dev::queues, resulting.in a double-free. Reported-by: Michael Gordon Link: https://bugs.debian.org/1075855 Fixes: 8e0c5ebde82b ("[SCSI] aacraid: Newer adapter communication iterface support") Signed-off-by: Ben Hutchings Link: https://lore.kernel.org/r/ZsZvfqlQMveoL5KQ@decadent.org.uk Signed-off-by: Martin K. Petersen Signed-off-by: Sasha Levin --- drivers/scsi/aacraid/comminit.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/drivers/scsi/aacraid/comminit.c b/drivers/scsi/aacraid/comminit.c index 355b16f0b145..34e45c87cae0 100644 --- a/drivers/scsi/aacraid/comminit.c +++ b/drivers/scsi/aacraid/comminit.c @@ -642,6 +642,7 @@ struct aac_dev *aac_init_adapter(struct aac_dev *dev) if (aac_comm_init(dev)<0){ kfree(dev->queues); + dev->queues = NULL; return NULL; } /* @@ -649,6 +650,7 @@ struct aac_dev *aac_init_adapter(struct aac_dev *dev) */ if (aac_fib_setup(dev) < 0) { kfree(dev->queues); + dev->queues = NULL; return NULL; } From 7e8bad2cf3930e2ff7cab10644ca111bacaba398 Mon Sep 17 00:00:00 2001 From: Guenter Roeck Date: Thu, 8 Aug 2024 08:50:03 -0700 Subject: [PATCH 497/702] apparmor: fix policy_unpack_test on big endian systems [ Upstream commit 98c0cc48e27e9d269a3e4db2acd72b486c88ec77 ] policy_unpack_test fails on big endian systems because data byte order is expected to be little endian but is generated in host byte order. This results in test failures such as: # policy_unpack_test_unpack_array_with_null_name: EXPECTATION FAILED at security/apparmor/policy_unpack_test.c:150 Expected array_size == (u16)16, but array_size == 4096 (0x1000) (u16)16 == 16 (0x10) # policy_unpack_test_unpack_array_with_null_name: pass:0 fail:1 skip:0 total:1 not ok 3 policy_unpack_test_unpack_array_with_null_name # policy_unpack_test_unpack_array_with_name: EXPECTATION FAILED at security/apparmor/policy_unpack_test.c:164 Expected array_size == (u16)16, but array_size == 4096 (0x1000) (u16)16 == 16 (0x10) # policy_unpack_test_unpack_array_with_name: pass:0 fail:1 skip:0 total:1 Add the missing endianness conversions when generating test data. Fixes: 4d944bcd4e73 ("apparmor: add AppArmor KUnit tests for policy unpack") Cc: Brendan Higgins Cc: Kees Cook Signed-off-by: Guenter Roeck Signed-off-by: Sasha Levin --- security/apparmor/policy_unpack_test.c | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) diff --git a/security/apparmor/policy_unpack_test.c b/security/apparmor/policy_unpack_test.c index 533137f45361..4951d9bef579 100644 --- a/security/apparmor/policy_unpack_test.c +++ b/security/apparmor/policy_unpack_test.c @@ -78,14 +78,14 @@ struct aa_ext *build_aa_ext_struct(struct policy_unpack_fixture *puf, *(buf + 1) = strlen(TEST_U32_NAME) + 1; strcpy(buf + 3, TEST_U32_NAME); *(buf + 3 + strlen(TEST_U32_NAME) + 1) = AA_U32; - *((u32 *)(buf + 3 + strlen(TEST_U32_NAME) + 2)) = TEST_U32_DATA; + *((__le32 *)(buf + 3 + strlen(TEST_U32_NAME) + 2)) = cpu_to_le32(TEST_U32_DATA); buf = e->start + TEST_NAMED_U64_BUF_OFFSET; *buf = AA_NAME; *(buf + 1) = strlen(TEST_U64_NAME) + 1; strcpy(buf + 3, TEST_U64_NAME); *(buf + 3 + strlen(TEST_U64_NAME) + 1) = AA_U64; - *((u64 *)(buf + 3 + strlen(TEST_U64_NAME) + 2)) = TEST_U64_DATA; + *((__le64 *)(buf + 3 + strlen(TEST_U64_NAME) + 2)) = cpu_to_le64(TEST_U64_DATA); buf = e->start + TEST_NAMED_BLOB_BUF_OFFSET; *buf = AA_NAME; @@ -101,7 +101,7 @@ struct aa_ext *build_aa_ext_struct(struct policy_unpack_fixture *puf, *(buf + 1) = strlen(TEST_ARRAY_NAME) + 1; strcpy(buf + 3, TEST_ARRAY_NAME); *(buf + 3 + strlen(TEST_ARRAY_NAME) + 1) = AA_ARRAY; - *((u16 *)(buf + 3 + strlen(TEST_ARRAY_NAME) + 2)) = TEST_ARRAY_SIZE; + *((__le16 *)(buf + 3 + strlen(TEST_ARRAY_NAME) + 2)) = cpu_to_le16(TEST_ARRAY_SIZE); return e; } From b57d01c66f40ec96d8a5df6c2cdbd75e15e5f07c Mon Sep 17 00:00:00 2001 From: Greg Kroah-Hartman Date: Wed, 4 Sep 2024 13:17:48 +0200 Subject: [PATCH 498/702] Linux 5.10.225 Link: https://lore.kernel.org/r/20240901160814.090297276@linuxfoundation.org Tested-by: Dominique Martinet Tested-by: Pavel Machek (CIP) Tested-by: Florian Fainelli Tested-by: Jon Hunter Tested-by: Mark Brown Signed-off-by: Greg Kroah-Hartman --- Makefile | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/Makefile b/Makefile index 38351794f6c9..30918576f9de 100644 --- a/Makefile +++ b/Makefile @@ -1,7 +1,7 @@ # SPDX-License-Identifier: GPL-2.0 VERSION = 5 PATCHLEVEL = 10 -SUBLEVEL = 224 +SUBLEVEL = 225 EXTRAVERSION = NAME = Dare mighty things From 39a8a0618d536c75534c90a28db6a11621a2f809 Mon Sep 17 00:00:00 2001 From: Greg Kroah-Hartman Date: Mon, 9 Sep 2024 15:50:23 +0000 Subject: [PATCH 499/702] ANDROID: Fix gki allmodconfig build errors in mptcp In commit e93fa44f0714 ("mptcp: fix duplicate data handling"), the logic could potentially end up testing the variable 'incr' without first setting it. clang properly catches this error, but gcc doesn't, and it's gone unnoticed upstream as well. Fix this up by initializing the variable, which resolves the build. Note that for GKI kernels, none of this matters as mptcp is not enabled for that build. Fixes: e93fa44f0714 ("mptcp: fix duplicate data handling") Change-Id: Ia619c1f9fed70f39b29cfdbd3143e0480fd2199d Signed-off-by: Greg Kroah-Hartman --- net/mptcp/subflow.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/net/mptcp/subflow.c b/net/mptcp/subflow.c index ba86cb06d6d8..79269f6c639f 100644 --- a/net/mptcp/subflow.c +++ b/net/mptcp/subflow.c @@ -871,7 +871,7 @@ static void mptcp_subflow_discard_data(struct sock *ssk, struct sk_buff *skb, struct mptcp_subflow_context *subflow = mptcp_subflow_ctx(ssk); bool fin = TCP_SKB_CB(skb)->tcp_flags & TCPHDR_FIN; struct tcp_sock *tp = tcp_sk(ssk); - u32 offset, incr, avail_len; + u32 offset, incr = 0, avail_len; offset = tp->copied_seq - TCP_SKB_CB(skb)->seq; if (WARN_ON_ONCE(offset > skb->len)) From 52c4910c6516e7efb2178a728d39abf8c4258a88 Mon Sep 17 00:00:00 2001 From: Greg Kroah-Hartman Date: Thu, 12 Sep 2024 06:20:12 +0000 Subject: [PATCH 500/702] ANDROID: fix up crc issue for cpuset_cpus_allowed() In commit 688325078a8b ("cgroup/cpuset: Prevent UAF in proc_cpuset_show()"), a new .h file is added to kernel/cgroup/cpuset.c which ends up changing the CRC for cpuset_cpus_allowed(). Fix this up by only including it in the real build, not when generating the looney crc values. Fixes: 688325078a8b ("cgroup/cpuset: Prevent UAF in proc_cpuset_show()") Change-Id: I151a87d3bae9f2319d1a965a4bf715cffead702e Signed-off-by: Greg Kroah-Hartman --- kernel/cgroup/cpuset.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/kernel/cgroup/cpuset.c b/kernel/cgroup/cpuset.c index 648fc13a720b..8a89c1a8032e 100644 --- a/kernel/cgroup/cpuset.c +++ b/kernel/cgroup/cpuset.c @@ -22,7 +22,9 @@ * distribution for more details. */ +#ifndef __GENKSYMS__ #include "cgroup-internal.h" +#endif #include #include #include From e78bc7099c8d973c7e6cd12f538560cb2a6646d4 Mon Sep 17 00:00:00 2001 From: Philip Mueller Date: Mon, 15 Jul 2024 11:57:49 +0700 Subject: [PATCH 501/702] drm: panel-orientation-quirks: Add quirk for OrangePi Neo [ Upstream commit d60c429610a14560085d98fa6f4cdb43040ca8f0 ] This adds a DMI orientation quirk for the OrangePi Neo Linux Gaming Handheld. Signed-off-by: Philip Mueller Reviewed-by: Hans de Goede Signed-off-by: Hans de Goede Link: https://patchwork.freedesktop.org/patch/msgid/20240715045818.1019979-1-philm@manjaro.org Signed-off-by: Sasha Levin --- drivers/gpu/drm/drm_panel_orientation_quirks.c | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/drivers/gpu/drm/drm_panel_orientation_quirks.c b/drivers/gpu/drm/drm_panel_orientation_quirks.c index 43de9dfcba19..f1091cb87de0 100644 --- a/drivers/gpu/drm/drm_panel_orientation_quirks.c +++ b/drivers/gpu/drm/drm_panel_orientation_quirks.c @@ -318,6 +318,12 @@ static const struct dmi_system_id orientation_data[] = { DMI_EXACT_MATCH(DMI_PRODUCT_NAME, "ONE XPLAYER"), }, .driver_data = (void *)&lcd1600x2560_leftside_up, + }, { /* OrangePi Neo */ + .matches = { + DMI_EXACT_MATCH(DMI_SYS_VENDOR, "OrangePi"), + DMI_EXACT_MATCH(DMI_PRODUCT_NAME, "NEO-01"), + }, + .driver_data = (void *)&lcd1200x1920_rightside_up, }, { /* Samsung GalaxyBook 10.6 */ .matches = { DMI_EXACT_MATCH(DMI_SYS_VENDOR, "SAMSUNG ELECTRONICS CO., LTD."), From 221ebded43cbc313c7db69d2ee9dc9856266a17e Mon Sep 17 00:00:00 2001 From: Takashi Iwai Date: Fri, 26 Jul 2024 16:26:19 +0200 Subject: [PATCH 502/702] ALSA: hda/generic: Add a helper to mute speakers at suspend/shutdown [ Upstream commit 6cd23b26b348fa52c88e1adf9c0e48d68e13f95e ] Some devices indicate click noises at suspend or shutdown when the speakers are unmuted. This patch adds a helper, snd_hda_gen_shutup_speakers(), to work around it. The new function is supposed to be called at suspend or shutdown by the codec driver, and it mutes the speakers. The mute status isn't cached, hence the original mute state will be restored at resume again. Link: https://patch.msgid.link/20240726142625.2460-1-tiwai@suse.de Signed-off-by: Takashi Iwai Signed-off-by: Sasha Levin --- sound/pci/hda/hda_generic.c | 63 +++++++++++++++++++++++++++++++++++++ sound/pci/hda/hda_generic.h | 1 + 2 files changed, 64 insertions(+) diff --git a/sound/pci/hda/hda_generic.c b/sound/pci/hda/hda_generic.c index 35113fa84a0f..733dc9953a38 100644 --- a/sound/pci/hda/hda_generic.c +++ b/sound/pci/hda/hda_generic.c @@ -5067,6 +5067,69 @@ void snd_hda_gen_stream_pm(struct hda_codec *codec, hda_nid_t nid, bool on) } EXPORT_SYMBOL_GPL(snd_hda_gen_stream_pm); +/* forcibly mute the speaker output without caching; return true if updated */ +static bool force_mute_output_path(struct hda_codec *codec, hda_nid_t nid) +{ + if (!nid) + return false; + if (!nid_has_mute(codec, nid, HDA_OUTPUT)) + return false; /* no mute, skip */ + if (snd_hda_codec_amp_read(codec, nid, 0, HDA_OUTPUT, 0) & + snd_hda_codec_amp_read(codec, nid, 1, HDA_OUTPUT, 0) & + HDA_AMP_MUTE) + return false; /* both channels already muted, skip */ + + /* direct amp update without caching */ + snd_hda_codec_write(codec, nid, 0, AC_VERB_SET_AMP_GAIN_MUTE, + AC_AMP_SET_OUTPUT | AC_AMP_SET_LEFT | + AC_AMP_SET_RIGHT | HDA_AMP_MUTE); + return true; +} + +/** + * snd_hda_gen_shutup_speakers - Forcibly mute the speaker outputs + * @codec: the HDA codec + * + * Forcibly mute the speaker outputs, to be called at suspend or shutdown. + * + * The mute state done by this function isn't cached, hence the original state + * will be restored at resume. + * + * Return true if the mute state has been changed. + */ +bool snd_hda_gen_shutup_speakers(struct hda_codec *codec) +{ + struct hda_gen_spec *spec = codec->spec; + const int *paths; + const struct nid_path *path; + int i, p, num_paths; + bool updated = false; + + /* if already powered off, do nothing */ + if (!snd_hdac_is_power_on(&codec->core)) + return false; + + if (spec->autocfg.line_out_type == AUTO_PIN_SPEAKER_OUT) { + paths = spec->out_paths; + num_paths = spec->autocfg.line_outs; + } else { + paths = spec->speaker_paths; + num_paths = spec->autocfg.speaker_outs; + } + + for (i = 0; i < num_paths; i++) { + path = snd_hda_get_path_from_idx(codec, paths[i]); + if (!path) + continue; + for (p = 0; p < path->depth; p++) + if (force_mute_output_path(codec, path->path[p])) + updated = true; + } + + return updated; +} +EXPORT_SYMBOL_GPL(snd_hda_gen_shutup_speakers); + /** * snd_hda_gen_parse_auto_config - Parse the given BIOS configuration and * set up the hda_gen_spec diff --git a/sound/pci/hda/hda_generic.h b/sound/pci/hda/hda_generic.h index 578faa9adcdc..fc00f8bc0d78 100644 --- a/sound/pci/hda/hda_generic.h +++ b/sound/pci/hda/hda_generic.h @@ -364,5 +364,6 @@ int snd_hda_gen_add_mute_led_cdev(struct hda_codec *codec, int snd_hda_gen_add_micmute_led_cdev(struct hda_codec *codec, int (*callback)(struct led_classdev *, enum led_brightness)); +bool snd_hda_gen_shutup_speakers(struct hda_codec *codec); #endif /* __SOUND_HDA_GENERIC_H */ From 0e69cf9b657f6a0458016a0c177163b4aaaead7a Mon Sep 17 00:00:00 2001 From: Takashi Iwai Date: Fri, 26 Jul 2024 16:26:20 +0200 Subject: [PATCH 503/702] ALSA: hda/conexant: Mute speakers at suspend / shutdown [ Upstream commit 4f61c8fe35202702426cfc0003e15116a01ba885 ] Use the new helper to mute speakers at suspend / shutdown for avoiding click noises. Link: https://bugzilla.suse.com/show_bug.cgi?id=1228269 Link: https://patch.msgid.link/20240726142625.2460-2-tiwai@suse.de Signed-off-by: Takashi Iwai Signed-off-by: Sasha Levin --- sound/pci/hda/patch_conexant.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/sound/pci/hda/patch_conexant.c b/sound/pci/hda/patch_conexant.c index 5b37f5f14bc9..2d10c6e744ab 100644 --- a/sound/pci/hda/patch_conexant.c +++ b/sound/pci/hda/patch_conexant.c @@ -181,6 +181,8 @@ static void cx_auto_reboot_notify(struct hda_codec *codec) { struct conexant_spec *spec = codec->spec; + snd_hda_gen_shutup_speakers(codec); + /* Turn the problematic codec into D3 to avoid spurious noises from the internal speaker during (and after) reboot */ cx_auto_turn_eapd(codec, spec->num_eapds, spec->eapds, false); From 712921d2abf47ab665c658b21cfcd2a217476477 Mon Sep 17 00:00:00 2001 From: Richard Fitzgerald Date: Fri, 2 Aug 2024 16:22:14 +0100 Subject: [PATCH 504/702] i2c: Fix conditional for substituting empty ACPI functions [ Upstream commit f17c06c6608ad4ecd2ccf321753fb511812d821b ] Add IS_ENABLED(CONFIG_I2C) to the conditional around a bunch of ACPI functions. The conditional around these functions depended only on CONFIG_ACPI. But the functions are implemented in I2C core, so are only present if CONFIG_I2C is enabled. Signed-off-by: Richard Fitzgerald Signed-off-by: Wolfram Sang Signed-off-by: Sasha Levin --- include/linux/i2c.h | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/include/linux/i2c.h b/include/linux/i2c.h index a670ae129f4b..cbd2025a002e 100644 --- a/include/linux/i2c.h +++ b/include/linux/i2c.h @@ -991,7 +991,7 @@ static inline int of_i2c_get_board_info(struct device *dev, struct acpi_resource; struct acpi_resource_i2c_serialbus; -#if IS_ENABLED(CONFIG_ACPI) +#if IS_ENABLED(CONFIG_ACPI) && IS_ENABLED(CONFIG_I2C) bool i2c_acpi_get_i2c_resource(struct acpi_resource *ares, struct acpi_resource_i2c_serialbus **i2c); u32 i2c_acpi_find_bus_speed(struct device *dev); From ff5af3f9b510e3ba92c7b45179ac048aa305564d Mon Sep 17 00:00:00 2001 From: Rik van Riel Date: Tue, 6 Aug 2024 11:56:45 -0400 Subject: [PATCH 505/702] dma-debug: avoid deadlock between dma debug vs printk and netconsole [ Upstream commit bd44ca3de49cc1badcff7a96010fa2c64f04868c ] Currently the dma debugging code can end up indirectly calling printk under the radix_lock. This happens when a radix tree node allocation fails. This is a problem because the printk code, when used together with netconsole, can end up inside the dma debugging code while trying to transmit a message over netcons. This creates the possibility of either a circular deadlock on the same CPU, with that CPU trying to grab the radix_lock twice, or an ABBA deadlock between different CPUs, where one CPU grabs the console lock first and then waits for the radix_lock, while the other CPU is holding the radix_lock and is waiting for the console lock. The trace captured by lockdep is of the ABBA variant. -> #2 (&dma_entry_hash[i].lock){-.-.}-{2:2}: _raw_spin_lock_irqsave+0x5a/0x90 debug_dma_map_page+0x79/0x180 dma_map_page_attrs+0x1d2/0x2f0 bnxt_start_xmit+0x8c6/0x1540 netpoll_start_xmit+0x13f/0x180 netpoll_send_skb+0x20d/0x320 netpoll_send_udp+0x453/0x4a0 write_ext_msg+0x1b9/0x460 console_flush_all+0x2ff/0x5a0 console_unlock+0x55/0x180 vprintk_emit+0x2e3/0x3c0 devkmsg_emit+0x5a/0x80 devkmsg_write+0xfd/0x180 do_iter_readv_writev+0x164/0x1b0 vfs_writev+0xf9/0x2b0 do_writev+0x6d/0x110 do_syscall_64+0x80/0x150 entry_SYSCALL_64_after_hwframe+0x4b/0x53 -> #0 (console_owner){-.-.}-{0:0}: __lock_acquire+0x15d1/0x31a0 lock_acquire+0xe8/0x290 console_flush_all+0x2ea/0x5a0 console_unlock+0x55/0x180 vprintk_emit+0x2e3/0x3c0 _printk+0x59/0x80 warn_alloc+0x122/0x1b0 __alloc_pages_slowpath+0x1101/0x1120 __alloc_pages+0x1eb/0x2c0 alloc_slab_page+0x5f/0x150 new_slab+0x2dc/0x4e0 ___slab_alloc+0xdcb/0x1390 kmem_cache_alloc+0x23d/0x360 radix_tree_node_alloc+0x3c/0xf0 radix_tree_insert+0xf5/0x230 add_dma_entry+0xe9/0x360 dma_map_page_attrs+0x1d2/0x2f0 __bnxt_alloc_rx_frag+0x147/0x180 bnxt_alloc_rx_data+0x79/0x160 bnxt_rx_skb+0x29/0xc0 bnxt_rx_pkt+0xe22/0x1570 __bnxt_poll_work+0x101/0x390 bnxt_poll+0x7e/0x320 __napi_poll+0x29/0x160 net_rx_action+0x1e0/0x3e0 handle_softirqs+0x190/0x510 run_ksoftirqd+0x4e/0x90 smpboot_thread_fn+0x1a8/0x270 kthread+0x102/0x120 ret_from_fork+0x2f/0x40 ret_from_fork_asm+0x11/0x20 This bug is more likely than it seems, because when one CPU has run out of memory, chances are the other has too. The good news is, this bug is hidden behind the CONFIG_DMA_API_DEBUG, so not many users are likely to trigger it. Signed-off-by: Rik van Riel Reported-by: Konstantin Ovsepian Signed-off-by: Christoph Hellwig Signed-off-by: Sasha Levin --- kernel/dma/debug.c | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-) diff --git a/kernel/dma/debug.c b/kernel/dma/debug.c index 026398308909..654b039dfc33 100644 --- a/kernel/dma/debug.c +++ b/kernel/dma/debug.c @@ -447,8 +447,11 @@ void debug_dma_dump_mappings(struct device *dev) * dma_active_cacheline entry to track per event. dma_map_sg(), on the * other hand, consumes a single dma_debug_entry, but inserts 'nents' * entries into the tree. + * + * Use __GFP_NOWARN because the printk from an OOM, to netconsole, could end + * up right back in the DMA debugging code, leading to a deadlock. */ -static RADIX_TREE(dma_active_cacheline, GFP_ATOMIC); +static RADIX_TREE(dma_active_cacheline, GFP_ATOMIC | __GFP_NOWARN); static DEFINE_SPINLOCK(radix_lock); #define ACTIVE_CACHELINE_MAX_OVERLAP ((1 << RADIX_TREE_MAX_TAGS) - 1) #define CACHELINE_PER_PAGE_SHIFT (PAGE_SHIFT - L1_CACHE_SHIFT) From 40d0fedacfdfc54a426e4898c8be99780d39c387 Mon Sep 17 00:00:00 2001 From: ZHANG Yuntian Date: Sat, 3 Aug 2024 15:46:51 +0800 Subject: [PATCH 506/702] net: usb: qmi_wwan: add MeiG Smart SRM825L [ Upstream commit 1ca645a2f74a4290527ae27130c8611391b07dbf ] Add support for MeiG Smart SRM825L which is based on Qualcomm 315 chip. T: Bus=04 Lev=01 Prnt=01 Port=00 Cnt=01 Dev#= 2 Spd=5000 MxCh= 0 D: Ver= 3.20 Cls=00(>ifc ) Sub=00 Prot=00 MxPS= 9 #Cfgs= 1 P: Vendor=2dee ProdID=4d22 Rev= 4.14 S: Manufacturer=MEIG S: Product=LTE-A Module S: SerialNumber=6f345e48 C:* #Ifs= 6 Cfg#= 1 Atr=80 MxPwr=896mA I:* If#= 0 Alt= 0 #EPs= 2 Cls=ff(vend.) Sub=ff Prot=30 Driver=option E: Ad=81(I) Atr=02(Bulk) MxPS=1024 Ivl=0ms E: Ad=01(O) Atr=02(Bulk) MxPS=1024 Ivl=0ms I:* If#= 1 Alt= 0 #EPs= 3 Cls=ff(vend.) Sub=ff Prot=40 Driver=option E: Ad=83(I) Atr=03(Int.) MxPS= 10 Ivl=32ms E: Ad=82(I) Atr=02(Bulk) MxPS=1024 Ivl=0ms E: Ad=02(O) Atr=02(Bulk) MxPS=1024 Ivl=0ms I:* If#= 2 Alt= 0 #EPs= 3 Cls=ff(vend.) Sub=ff Prot=40 Driver=option E: Ad=85(I) Atr=03(Int.) MxPS= 10 Ivl=32ms E: Ad=84(I) Atr=02(Bulk) MxPS=1024 Ivl=0ms E: Ad=03(O) Atr=02(Bulk) MxPS=1024 Ivl=0ms I:* If#= 3 Alt= 0 #EPs= 3 Cls=ff(vend.) Sub=ff Prot=60 Driver=option E: Ad=87(I) Atr=03(Int.) MxPS= 10 Ivl=32ms E: Ad=86(I) Atr=02(Bulk) MxPS=1024 Ivl=0ms E: Ad=04(O) Atr=02(Bulk) MxPS=1024 Ivl=0ms I:* If#= 4 Alt= 0 #EPs= 2 Cls=ff(vend.) Sub=42 Prot=01 Driver=(none) E: Ad=05(O) Atr=02(Bulk) MxPS=1024 Ivl=0ms E: Ad=88(I) Atr=02(Bulk) MxPS=1024 Ivl=0ms I:* If#= 5 Alt= 0 #EPs= 3 Cls=ff(vend.) Sub=ff Prot=50 Driver=qmi_wwan E: Ad=89(I) Atr=03(Int.) MxPS= 8 Ivl=32ms E: Ad=8e(I) Atr=02(Bulk) MxPS=1024 Ivl=0ms E: Ad=0f(O) Atr=02(Bulk) MxPS=1024 Ivl=0ms Signed-off-by: ZHANG Yuntian Link: https://patch.msgid.link/D1EB81385E405DFE+20240803074656.567061-1-yt@radxa.com Signed-off-by: Jakub Kicinski Signed-off-by: Sasha Levin --- drivers/net/usb/qmi_wwan.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/net/usb/qmi_wwan.c b/drivers/net/usb/qmi_wwan.c index 47cc54a64b56..0a1ab8c30a00 100644 --- a/drivers/net/usb/qmi_wwan.c +++ b/drivers/net/usb/qmi_wwan.c @@ -1365,6 +1365,7 @@ static const struct usb_device_id products[] = { {QMI_FIXED_INTF(0x2692, 0x9025, 4)}, /* Cellient MPL200 (rebranded Qualcomm 05c6:9025) */ {QMI_QUIRK_SET_DTR(0x1546, 0x1342, 4)}, /* u-blox LARA-L6 */ {QMI_QUIRK_SET_DTR(0x33f8, 0x0104, 4)}, /* Rolling RW101 RMNET */ + {QMI_FIXED_INTF(0x2dee, 0x4d22, 5)}, /* MeiG Smart SRM825L */ /* 4. Gobi 1000 devices */ {QMI_GOBI1K_DEVICE(0x05c6, 0x9212)}, /* Acer Gobi Modem Device */ From 28b539bbccee6b1b8a44bcce49fffd3b9044d895 Mon Sep 17 00:00:00 2001 From: Ma Jun Date: Wed, 24 Apr 2024 10:50:54 +0800 Subject: [PATCH 507/702] drm/amdgpu: Fix uninitialized variable warning in amdgpu_afmt_acr [ Upstream commit c0d6bd3cd209419cc46ac49562bef1db65d90e70 ] Assign value to clock to fix the warning below: "Using uninitialized value res. Field res.clock is uninitialized" Signed-off-by: Ma Jun Reviewed-by: Alex Deucher Signed-off-by: Alex Deucher Signed-off-by: Sasha Levin --- drivers/gpu/drm/amd/amdgpu/amdgpu_afmt.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_afmt.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_afmt.c index a4d65973bf7c..80771b1480ff 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_afmt.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_afmt.c @@ -100,6 +100,7 @@ struct amdgpu_afmt_acr amdgpu_afmt_acr(uint32_t clock) amdgpu_afmt_calc_cts(clock, &res.cts_32khz, &res.n_32khz, 32000); amdgpu_afmt_calc_cts(clock, &res.cts_44_1khz, &res.n_44_1khz, 44100); amdgpu_afmt_calc_cts(clock, &res.cts_48khz, &res.n_48khz, 48000); + res.clock = clock; return res; } From 774bae3b8dcd3f41b512fb7a0e7f4c1ae2ae062d Mon Sep 17 00:00:00 2001 From: Tim Huang Date: Thu, 25 Apr 2024 13:15:27 +0800 Subject: [PATCH 508/702] drm/amdgpu: fix overflowed array index read warning MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit [ Upstream commit ebbc2ada5c636a6a63d8316a3408753768f5aa9f ] Clear overflowed array index read warning by cast operation. Signed-off-by: Tim Huang Reviewed-by: Alex Deucher Reviewed-by: Christian König Signed-off-by: Alex Deucher Signed-off-by: Sasha Levin --- drivers/gpu/drm/amd/amdgpu/amdgpu_ring.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_ring.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_ring.c index 15ee13c3bd9e..6976f61be734 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_ring.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_ring.c @@ -368,8 +368,9 @@ static ssize_t amdgpu_debugfs_ring_read(struct file *f, char __user *buf, size_t size, loff_t *pos) { struct amdgpu_ring *ring = file_inode(f)->i_private; - int r, i; uint32_t value, result, early[3]; + loff_t i; + int r; if (*pos & 3 || size & 3) return -EINVAL; From a601129c785bd51cb5e55c328f49eb02a5d7c1de Mon Sep 17 00:00:00 2001 From: Tim Huang Date: Fri, 26 Apr 2024 12:52:45 +0800 Subject: [PATCH 509/702] drm/amd/pm: fix uninitialized variable warning for smu8_hwmgr MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit [ Upstream commit 86df36b934640866eb249a4488abb148b985a0d9 ] Clear warnings that using uninitialized value level when fails to get the value from SMU. Signed-off-by: Tim Huang Reviewed-by: Christian König Signed-off-by: Alex Deucher Signed-off-by: Sasha Levin --- .../gpu/drm/amd/pm/powerplay/hwmgr/smu8_hwmgr.c | 15 ++++++++++++--- 1 file changed, 12 insertions(+), 3 deletions(-) diff --git a/drivers/gpu/drm/amd/pm/powerplay/hwmgr/smu8_hwmgr.c b/drivers/gpu/drm/amd/pm/powerplay/hwmgr/smu8_hwmgr.c index 35d0ff57a596..e85a90b989b5 100644 --- a/drivers/gpu/drm/amd/pm/powerplay/hwmgr/smu8_hwmgr.c +++ b/drivers/gpu/drm/amd/pm/powerplay/hwmgr/smu8_hwmgr.c @@ -584,6 +584,7 @@ static int smu8_init_uvd_limit(struct pp_hwmgr *hwmgr) hwmgr->dyn_state.uvd_clock_voltage_dependency_table; unsigned long clock = 0; uint32_t level; + int ret; if (NULL == table || table->count <= 0) return -EINVAL; @@ -591,7 +592,9 @@ static int smu8_init_uvd_limit(struct pp_hwmgr *hwmgr) data->uvd_dpm.soft_min_clk = 0; data->uvd_dpm.hard_min_clk = 0; - smum_send_msg_to_smc(hwmgr, PPSMC_MSG_GetMaxUvdLevel, &level); + ret = smum_send_msg_to_smc(hwmgr, PPSMC_MSG_GetMaxUvdLevel, &level); + if (ret) + return ret; if (level < table->count) clock = table->entries[level].vclk; @@ -611,6 +614,7 @@ static int smu8_init_vce_limit(struct pp_hwmgr *hwmgr) hwmgr->dyn_state.vce_clock_voltage_dependency_table; unsigned long clock = 0; uint32_t level; + int ret; if (NULL == table || table->count <= 0) return -EINVAL; @@ -618,7 +622,9 @@ static int smu8_init_vce_limit(struct pp_hwmgr *hwmgr) data->vce_dpm.soft_min_clk = 0; data->vce_dpm.hard_min_clk = 0; - smum_send_msg_to_smc(hwmgr, PPSMC_MSG_GetMaxEclkLevel, &level); + ret = smum_send_msg_to_smc(hwmgr, PPSMC_MSG_GetMaxEclkLevel, &level); + if (ret) + return ret; if (level < table->count) clock = table->entries[level].ecclk; @@ -638,6 +644,7 @@ static int smu8_init_acp_limit(struct pp_hwmgr *hwmgr) hwmgr->dyn_state.acp_clock_voltage_dependency_table; unsigned long clock = 0; uint32_t level; + int ret; if (NULL == table || table->count <= 0) return -EINVAL; @@ -645,7 +652,9 @@ static int smu8_init_acp_limit(struct pp_hwmgr *hwmgr) data->acp_dpm.soft_min_clk = 0; data->acp_dpm.hard_min_clk = 0; - smum_send_msg_to_smc(hwmgr, PPSMC_MSG_GetMaxAclkLevel, &level); + ret = smum_send_msg_to_smc(hwmgr, PPSMC_MSG_GetMaxAclkLevel, &level); + if (ret) + return ret; if (level < table->count) clock = table->entries[level].acpclk; From d592768c1750e26b46496faeb5e529915435bf8c Mon Sep 17 00:00:00 2001 From: Jesse Zhang Date: Mon, 29 Apr 2024 15:26:25 +0800 Subject: [PATCH 510/702] drm/amd/pm: fix warning using uninitialized value of max_vid_step [ Upstream commit 17e3bea65cdc453695b2fe4ff26d25d17f5339e9 ] Check the return of pp_atomfwctrl_get_Voltage_table_v4 as it may fail to initialize max_vid_step V2: change the check condition (Tim Huang) Signed-off-by: Jesse Zhang Reviewed-by: Tim Huang Signed-off-by: Alex Deucher Signed-off-by: Sasha Levin --- drivers/gpu/drm/amd/pm/powerplay/hwmgr/vega10_hwmgr.c | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-) diff --git a/drivers/gpu/drm/amd/pm/powerplay/hwmgr/vega10_hwmgr.c b/drivers/gpu/drm/amd/pm/powerplay/hwmgr/vega10_hwmgr.c index 10678b519995..e4a8f1aabd78 100644 --- a/drivers/gpu/drm/amd/pm/powerplay/hwmgr/vega10_hwmgr.c +++ b/drivers/gpu/drm/amd/pm/powerplay/hwmgr/vega10_hwmgr.c @@ -2572,8 +2572,11 @@ static int vega10_init_smc_table(struct pp_hwmgr *hwmgr) } } - pp_atomfwctrl_get_voltage_table_v4(hwmgr, VOLTAGE_TYPE_VDDC, + result = pp_atomfwctrl_get_voltage_table_v4(hwmgr, VOLTAGE_TYPE_VDDC, VOLTAGE_OBJ_SVID2, &voltage_table); + PP_ASSERT_WITH_CODE(!result, + "Failed to get voltage table!", + return result); pp_table->MaxVidStep = voltage_table.max_vid_step; pp_table->GfxDpmVoltageMode = From 38e32a0d837443c91c4b615a067b976cfb925376 Mon Sep 17 00:00:00 2001 From: Jesse Zhang Date: Tue, 30 Apr 2024 10:29:08 +0800 Subject: [PATCH 511/702] drm/amd/pm: fix the Out-of-bounds read warning [ Upstream commit 12c6967428a099bbba9dfd247bb4322a984fcc0b ] using index i - 1U may beyond element index for mc_data[] when i = 0. Signed-off-by: Jesse Zhang Reviewed-by: Tim Huang Signed-off-by: Alex Deucher Signed-off-by: Sasha Levin --- drivers/gpu/drm/amd/pm/powerplay/hwmgr/ppatomctrl.c | 5 +++-- 1 file changed, 3 insertions(+), 2 deletions(-) diff --git a/drivers/gpu/drm/amd/pm/powerplay/hwmgr/ppatomctrl.c b/drivers/gpu/drm/amd/pm/powerplay/hwmgr/ppatomctrl.c index 01dc46dc9c8a..165af862d054 100644 --- a/drivers/gpu/drm/amd/pm/powerplay/hwmgr/ppatomctrl.c +++ b/drivers/gpu/drm/amd/pm/powerplay/hwmgr/ppatomctrl.c @@ -73,8 +73,9 @@ static int atomctrl_retrieve_ac_timing( j++; } else if ((table->mc_reg_address[i].uc_pre_reg_data & LOW_NIBBLE_MASK) == DATA_EQU_PREV) { - table->mc_reg_table_entry[num_ranges].mc_data[i] = - table->mc_reg_table_entry[num_ranges].mc_data[i-1]; + if (i) + table->mc_reg_table_entry[num_ranges].mc_data[i] = + table->mc_reg_table_entry[num_ranges].mc_data[i-1]; } } num_ranges++; From 59ac791297e27bfad7a69a8d7f613fcbd8705a2c Mon Sep 17 00:00:00 2001 From: Tim Huang Date: Fri, 26 Apr 2024 08:43:30 +0800 Subject: [PATCH 512/702] drm/amdgpu: fix uninitialized scalar variable warning MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit [ Upstream commit 9a5f15d2a29d06ce5bd50919da7221cda92afb69 ] Clear warning that uses uninitialized value fw_size. Signed-off-by: Tim Huang Reviewed-by: Christian König Signed-off-by: Alex Deucher Signed-off-by: Sasha Levin --- drivers/gpu/drm/amd/amdgpu/amdgpu_virt.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_virt.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_virt.c index d6f295103595..bd53844a8ba4 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_virt.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_virt.c @@ -404,6 +404,8 @@ static void amdgpu_virt_add_bad_page(struct amdgpu_device *adev, uint64_t retired_page; uint32_t bp_idx, bp_cnt; + memset(&bp, 0, sizeof(bp)); + if (bp_block_size) { bp_cnt = bp_block_size / sizeof(uint64_t); for (bp_idx = 0; bp_idx < bp_cnt; bp_idx++) { From 1d0c85d0fcb2b5ae32508e969218badb56a59eec Mon Sep 17 00:00:00 2001 From: Tim Huang Date: Sun, 28 Apr 2024 12:41:42 +0800 Subject: [PATCH 513/702] drm/amd/pm: fix uninitialized variable warnings for vega10_hwmgr [ Upstream commit 5fa7d540d95d97ddc021a74583f6b3da4df9c93a ] Clear warnings that using uninitialized variable when fails to get the valid value from SMU. Signed-off-by: Tim Huang Reviewed-by: Yang Wang Signed-off-by: Alex Deucher Signed-off-by: Sasha Levin --- .../drm/amd/pm/powerplay/hwmgr/vega10_hwmgr.c | 46 ++++++++++++++----- .../amd/pm/powerplay/smumgr/vega10_smumgr.c | 6 ++- 2 files changed, 39 insertions(+), 13 deletions(-) diff --git a/drivers/gpu/drm/amd/pm/powerplay/hwmgr/vega10_hwmgr.c b/drivers/gpu/drm/amd/pm/powerplay/hwmgr/vega10_hwmgr.c index e4a8f1aabd78..91fefaeaf47d 100644 --- a/drivers/gpu/drm/amd/pm/powerplay/hwmgr/vega10_hwmgr.c +++ b/drivers/gpu/drm/amd/pm/powerplay/hwmgr/vega10_hwmgr.c @@ -355,13 +355,13 @@ static int vega10_odn_initial_default_setting(struct pp_hwmgr *hwmgr) return 0; } -static void vega10_init_dpm_defaults(struct pp_hwmgr *hwmgr) +static int vega10_init_dpm_defaults(struct pp_hwmgr *hwmgr) { struct vega10_hwmgr *data = hwmgr->backend; - int i; uint32_t sub_vendor_id, hw_revision; uint32_t top32, bottom32; struct amdgpu_device *adev = hwmgr->adev; + int ret, i; vega10_initialize_power_tune_defaults(hwmgr); @@ -486,9 +486,12 @@ static void vega10_init_dpm_defaults(struct pp_hwmgr *hwmgr) if (data->registry_data.vr0hot_enabled) data->smu_features[GNLD_VR0HOT].supported = true; - smum_send_msg_to_smc(hwmgr, + ret = smum_send_msg_to_smc(hwmgr, PPSMC_MSG_GetSmuVersion, &hwmgr->smu_version); + if (ret) + return ret; + /* ACG firmware has major version 5 */ if ((hwmgr->smu_version & 0xff000000) == 0x5000000) data->smu_features[GNLD_ACG].supported = true; @@ -506,10 +509,16 @@ static void vega10_init_dpm_defaults(struct pp_hwmgr *hwmgr) data->smu_features[GNLD_PCC_LIMIT].supported = true; /* Get the SN to turn into a Unique ID */ - smum_send_msg_to_smc(hwmgr, PPSMC_MSG_ReadSerialNumTop32, &top32); - smum_send_msg_to_smc(hwmgr, PPSMC_MSG_ReadSerialNumBottom32, &bottom32); + ret = smum_send_msg_to_smc(hwmgr, PPSMC_MSG_ReadSerialNumTop32, &top32); + if (ret) + return ret; + + ret = smum_send_msg_to_smc(hwmgr, PPSMC_MSG_ReadSerialNumBottom32, &bottom32); + if (ret) + return ret; adev->unique_id = ((uint64_t)bottom32 << 32) | top32; + return 0; } #ifdef PPLIB_VEGA10_EVV_SUPPORT @@ -883,7 +892,9 @@ static int vega10_hwmgr_backend_init(struct pp_hwmgr *hwmgr) vega10_set_features_platform_caps(hwmgr); - vega10_init_dpm_defaults(hwmgr); + result = vega10_init_dpm_defaults(hwmgr); + if (result) + return result; #ifdef PPLIB_VEGA10_EVV_SUPPORT /* Get leakage voltage based on leakage ID. */ @@ -3879,11 +3890,14 @@ static int vega10_get_gpu_power(struct pp_hwmgr *hwmgr, uint32_t *query) { uint32_t value; + int ret; if (!query) return -EINVAL; - smum_send_msg_to_smc(hwmgr, PPSMC_MSG_GetCurrPkgPwr, &value); + ret = smum_send_msg_to_smc(hwmgr, PPSMC_MSG_GetCurrPkgPwr, &value); + if (ret) + return ret; /* SMC returning actual watts, keep consistent with legacy asics, low 8 bit as 8 fractional bits */ *query = value << 8; @@ -4636,14 +4650,16 @@ static int vega10_print_clock_levels(struct pp_hwmgr *hwmgr, uint32_t gen_speed, lane_width, current_gen_speed, current_lane_width; PPTable_t *pptable = &(data->smc_state_table.pp_table); - int i, now, size = 0, count = 0; + int i, ret, now, size = 0, count = 0; switch (type) { case PP_SCLK: if (data->registry_data.sclk_dpm_key_disabled) break; - smum_send_msg_to_smc(hwmgr, PPSMC_MSG_GetCurrentGfxclkIndex, &now); + ret = smum_send_msg_to_smc(hwmgr, PPSMC_MSG_GetCurrentGfxclkIndex, &now); + if (ret) + break; if (hwmgr->pp_one_vf && (hwmgr->dpm_level == AMD_DPM_FORCED_LEVEL_PROFILE_PEAK)) @@ -4659,7 +4675,9 @@ static int vega10_print_clock_levels(struct pp_hwmgr *hwmgr, if (data->registry_data.mclk_dpm_key_disabled) break; - smum_send_msg_to_smc(hwmgr, PPSMC_MSG_GetCurrentUclkIndex, &now); + ret = smum_send_msg_to_smc(hwmgr, PPSMC_MSG_GetCurrentUclkIndex, &now); + if (ret) + break; for (i = 0; i < mclk_table->count; i++) size += sprintf(buf + size, "%d: %uMhz %s\n", @@ -4670,7 +4688,9 @@ static int vega10_print_clock_levels(struct pp_hwmgr *hwmgr, if (data->registry_data.socclk_dpm_key_disabled) break; - smum_send_msg_to_smc(hwmgr, PPSMC_MSG_GetCurrentSocclkIndex, &now); + ret = smum_send_msg_to_smc(hwmgr, PPSMC_MSG_GetCurrentSocclkIndex, &now); + if (ret) + break; for (i = 0; i < soc_table->count; i++) size += sprintf(buf + size, "%d: %uMhz %s\n", @@ -4681,8 +4701,10 @@ static int vega10_print_clock_levels(struct pp_hwmgr *hwmgr, if (data->registry_data.dcefclk_dpm_key_disabled) break; - smum_send_msg_to_smc_with_parameter(hwmgr, + ret = smum_send_msg_to_smc_with_parameter(hwmgr, PPSMC_MSG_GetClockFreqMHz, CLK_DCEFCLK, &now); + if (ret) + break; for (i = 0; i < dcef_table->count; i++) size += sprintf(buf + size, "%d: %uMhz %s\n", diff --git a/drivers/gpu/drm/amd/pm/powerplay/smumgr/vega10_smumgr.c b/drivers/gpu/drm/amd/pm/powerplay/smumgr/vega10_smumgr.c index daf122f24f23..ae8305a1ff05 100644 --- a/drivers/gpu/drm/amd/pm/powerplay/smumgr/vega10_smumgr.c +++ b/drivers/gpu/drm/amd/pm/powerplay/smumgr/vega10_smumgr.c @@ -131,13 +131,17 @@ int vega10_get_enabled_smc_features(struct pp_hwmgr *hwmgr, uint64_t *features_enabled) { uint32_t enabled_features; + int ret; if (features_enabled == NULL) return -EINVAL; - smum_send_msg_to_smc(hwmgr, + ret = smum_send_msg_to_smc(hwmgr, PPSMC_MSG_GetEnabledSmuFeatures, &enabled_features); + if (ret) + return ret; + *features_enabled = enabled_features; return 0; From e24fa827299e9a743509879b5f72e7f6119fcb6c Mon Sep 17 00:00:00 2001 From: Zhigang Luo Date: Tue, 16 Apr 2024 16:35:14 -0400 Subject: [PATCH 514/702] drm/amdgpu: avoid reading vf2pf info size from FB [ Upstream commit 3bcc0ee14768d886cedff65da72d83d375a31a56 ] VF can't access FB when host is doing mode1 reset. Using sizeof to get vf2pf info size, instead of reading it from vf2pf header stored in FB. Signed-off-by: Zhigang Luo Reviewed-by: Hawking Zhang Reviewed-by: Lijo Lazar Signed-off-by: Alex Deucher Signed-off-by: Sasha Levin --- drivers/gpu/drm/amd/amdgpu/amdgpu_virt.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_virt.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_virt.c index bd53844a8ba4..ca4c915e3a6c 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_virt.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_virt.c @@ -552,7 +552,7 @@ static int amdgpu_virt_write_vf2pf_data(struct amdgpu_device *adev) vf2pf_info->checksum = amd_sriov_msg_checksum( - vf2pf_info, vf2pf_info->header.size, 0, 0); + vf2pf_info, sizeof(*vf2pf_info), 0, 0); return 0; } From 40c2e8bc117cab8bca8814735f28a8b121654a84 Mon Sep 17 00:00:00 2001 From: Alex Hung Date: Tue, 16 Apr 2024 16:40:00 -0600 Subject: [PATCH 515/702] drm/amd/display: Check gpio_id before used as array index [ Upstream commit 2a5626eeb3b5eec7a36886f9556113dd93ec8ed6 ] [WHY & HOW] GPIO_ID_UNKNOWN (-1) is not a valid value for array index and therefore should be checked in advance. This fixes 5 OVERRUN issues reported by Coverity. Reviewed-by: Harry Wentland Acked-by: Tom Chung Signed-off-by: Alex Hung Tested-by: Daniel Wheeler Signed-off-by: Alex Deucher Signed-off-by: Sasha Levin --- drivers/gpu/drm/amd/display/dc/gpio/gpio_service.c | 13 +++++++++++-- 1 file changed, 11 insertions(+), 2 deletions(-) diff --git a/drivers/gpu/drm/amd/display/dc/gpio/gpio_service.c b/drivers/gpu/drm/amd/display/dc/gpio/gpio_service.c index dae8e489c8cf..a7c92c64490c 100644 --- a/drivers/gpu/drm/amd/display/dc/gpio/gpio_service.c +++ b/drivers/gpu/drm/amd/display/dc/gpio/gpio_service.c @@ -241,6 +241,9 @@ static bool is_pin_busy( enum gpio_id id, uint32_t en) { + if (id == GPIO_ID_UNKNOWN) + return false; + return service->busyness[id][en]; } @@ -249,6 +252,9 @@ static void set_pin_busy( enum gpio_id id, uint32_t en) { + if (id == GPIO_ID_UNKNOWN) + return; + service->busyness[id][en] = true; } @@ -257,6 +263,9 @@ static void set_pin_free( enum gpio_id id, uint32_t en) { + if (id == GPIO_ID_UNKNOWN) + return; + service->busyness[id][en] = false; } @@ -265,7 +274,7 @@ enum gpio_result dal_gpio_service_lock( enum gpio_id id, uint32_t en) { - if (!service->busyness[id]) { + if (id != GPIO_ID_UNKNOWN && !service->busyness[id]) { ASSERT_CRITICAL(false); return GPIO_RESULT_OPEN_FAILED; } @@ -279,7 +288,7 @@ enum gpio_result dal_gpio_service_unlock( enum gpio_id id, uint32_t en) { - if (!service->busyness[id]) { + if (id != GPIO_ID_UNKNOWN && !service->busyness[id]) { ASSERT_CRITICAL(false); return GPIO_RESULT_OPEN_FAILED; } From 754321ed63f0a4a31252ca72e0bd89a9e1888018 Mon Sep 17 00:00:00 2001 From: Hersen Wu Date: Wed, 24 Apr 2024 16:00:19 -0400 Subject: [PATCH 516/702] drm/amd/display: Stop amdgpu_dm initialize when stream nums greater than 6 [ Upstream commit 84723eb6068c50610c5c0893980d230d7afa2105 ] [Why] Coverity reports OVERRUN warning. Should abort amdgpu_dm initialize. [How] Return failure to amdgpu_dm_init. Reviewed-by: Harry Wentland Acked-by: Tom Chung Signed-off-by: Hersen Wu Tested-by: Daniel Wheeler Signed-off-by: Alex Deucher Signed-off-by: Sasha Levin --- drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-) diff --git a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c index 29ef0ed44d5f..50921b340b88 100644 --- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c +++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c @@ -3341,7 +3341,10 @@ static int amdgpu_dm_initialize_drm_device(struct amdgpu_device *adev) /* There is one primary plane per CRTC */ primary_planes = dm->dc->caps.max_streams; - ASSERT(primary_planes <= AMDGPU_MAX_PLANES); + if (primary_planes > AMDGPU_MAX_PLANES) { + DRM_ERROR("DM: Plane nums out of 6 planes\n"); + return -EINVAL; + } /* * Initialize primary planes, implicit planes for legacy IOCTLS. From 2a63c90c7a90ab2bd23deebc2814fc5b52abf6d2 Mon Sep 17 00:00:00 2001 From: Hersen Wu Date: Wed, 24 Apr 2024 10:09:31 -0400 Subject: [PATCH 517/702] drm/amd/display: Add array index check for hdcp ddc access [ Upstream commit 4e70c0f5251c25885c31ee84a31f99a01f7cf50e ] [Why] Coverity reports OVERRUN warning. Do not check if array index valid. [How] Check msg_id valid and valid array index. Reviewed-by: Alex Hung Acked-by: Tom Chung Signed-off-by: Hersen Wu Tested-by: Daniel Wheeler Signed-off-by: Alex Deucher Signed-off-by: Sasha Levin --- .../drm/amd/display/modules/hdcp/hdcp_ddc.c | 28 ++++++++++++++++--- 1 file changed, 24 insertions(+), 4 deletions(-) diff --git a/drivers/gpu/drm/amd/display/modules/hdcp/hdcp_ddc.c b/drivers/gpu/drm/amd/display/modules/hdcp/hdcp_ddc.c index 8e9caae7c955..1b2df97226a3 100644 --- a/drivers/gpu/drm/amd/display/modules/hdcp/hdcp_ddc.c +++ b/drivers/gpu/drm/amd/display/modules/hdcp/hdcp_ddc.c @@ -156,11 +156,16 @@ static enum mod_hdcp_status read(struct mod_hdcp *hdcp, uint32_t cur_size = 0; uint32_t data_offset = 0; - if (msg_id == MOD_HDCP_MESSAGE_ID_INVALID) { + if (msg_id == MOD_HDCP_MESSAGE_ID_INVALID || + msg_id >= MOD_HDCP_MESSAGE_ID_MAX) return MOD_HDCP_STATUS_DDC_FAILURE; - } if (is_dp_hdcp(hdcp)) { + int num_dpcd_addrs = sizeof(hdcp_dpcd_addrs) / + sizeof(hdcp_dpcd_addrs[0]); + if (msg_id >= num_dpcd_addrs) + return MOD_HDCP_STATUS_DDC_FAILURE; + while (buf_len > 0) { cur_size = MIN(buf_len, HDCP_MAX_AUX_TRANSACTION_SIZE); success = hdcp->config.ddc.funcs.read_dpcd(hdcp->config.ddc.handle, @@ -175,6 +180,11 @@ static enum mod_hdcp_status read(struct mod_hdcp *hdcp, data_offset += cur_size; } } else { + int num_i2c_offsets = sizeof(hdcp_i2c_offsets) / + sizeof(hdcp_i2c_offsets[0]); + if (msg_id >= num_i2c_offsets) + return MOD_HDCP_STATUS_DDC_FAILURE; + success = hdcp->config.ddc.funcs.read_i2c( hdcp->config.ddc.handle, HDCP_I2C_ADDR, @@ -219,11 +229,16 @@ static enum mod_hdcp_status write(struct mod_hdcp *hdcp, uint32_t cur_size = 0; uint32_t data_offset = 0; - if (msg_id == MOD_HDCP_MESSAGE_ID_INVALID) { + if (msg_id == MOD_HDCP_MESSAGE_ID_INVALID || + msg_id >= MOD_HDCP_MESSAGE_ID_MAX) return MOD_HDCP_STATUS_DDC_FAILURE; - } if (is_dp_hdcp(hdcp)) { + int num_dpcd_addrs = sizeof(hdcp_dpcd_addrs) / + sizeof(hdcp_dpcd_addrs[0]); + if (msg_id >= num_dpcd_addrs) + return MOD_HDCP_STATUS_DDC_FAILURE; + while (buf_len > 0) { cur_size = MIN(buf_len, HDCP_MAX_AUX_TRANSACTION_SIZE); success = hdcp->config.ddc.funcs.write_dpcd( @@ -239,6 +254,11 @@ static enum mod_hdcp_status write(struct mod_hdcp *hdcp, data_offset += cur_size; } } else { + int num_i2c_offsets = sizeof(hdcp_i2c_offsets) / + sizeof(hdcp_i2c_offsets[0]); + if (msg_id >= num_i2c_offsets) + return MOD_HDCP_STATUS_DDC_FAILURE; + hdcp->buf[0] = hdcp_i2c_offsets[msg_id]; memmove(&hdcp->buf[1], buf, buf_len); success = hdcp->config.ddc.funcs.write_i2c( From 7c47dd2e92341f2989ab73dbed07f8894593ad7b Mon Sep 17 00:00:00 2001 From: Alex Hung Date: Tue, 16 Apr 2024 16:22:35 -0600 Subject: [PATCH 518/702] drm/amd/display: Check num_valid_sets before accessing reader_wm_sets[] [ Upstream commit b38a4815f79b87efb196cd5121579fc51e29a7fb ] [WHY & HOW] num_valid_sets needs to be checked to avoid a negative index when accessing reader_wm_sets[num_valid_sets - 1]. This fixes an OVERRUN issue reported by Coverity. Reviewed-by: Harry Wentland Acked-by: Tom Chung Signed-off-by: Alex Hung Tested-by: Daniel Wheeler Signed-off-by: Alex Deucher Signed-off-by: Sasha Levin --- drivers/gpu/drm/amd/display/dc/clk_mgr/dcn21/rn_clk_mgr.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/drivers/gpu/drm/amd/display/dc/clk_mgr/dcn21/rn_clk_mgr.c b/drivers/gpu/drm/amd/display/dc/clk_mgr/dcn21/rn_clk_mgr.c index 0eba391e597f..40d03f8cde2c 100644 --- a/drivers/gpu/drm/amd/display/dc/clk_mgr/dcn21/rn_clk_mgr.c +++ b/drivers/gpu/drm/amd/display/dc/clk_mgr/dcn21/rn_clk_mgr.c @@ -455,7 +455,8 @@ static void build_watermark_ranges(struct clk_bw_params *bw_params, struct pp_sm ranges->reader_wm_sets[num_valid_sets].max_fill_clk_mhz = PP_SMU_WM_SET_RANGE_CLK_UNCONSTRAINED_MAX; /* Modify previous watermark range to cover up to max */ - ranges->reader_wm_sets[num_valid_sets - 1].max_fill_clk_mhz = PP_SMU_WM_SET_RANGE_CLK_UNCONSTRAINED_MAX; + if (num_valid_sets > 0) + ranges->reader_wm_sets[num_valid_sets - 1].max_fill_clk_mhz = PP_SMU_WM_SET_RANGE_CLK_UNCONSTRAINED_MAX; } num_valid_sets++; } From 916083054670060023d3f8a8ace895d710e268f4 Mon Sep 17 00:00:00 2001 From: Alex Hung Date: Tue, 16 Apr 2024 16:47:42 -0600 Subject: [PATCH 519/702] drm/amd/display: Check msg_id before processing transcation [ Upstream commit fa71face755e27dc44bc296416ebdf2c67163316 ] [WHY & HOW] HDCP_MESSAGE_ID_INVALID (-1) is not a valid msg_id nor is it a valid array index, and it needs checking before used. This fixes 4 OVERRUN issues reported by Coverity. Reviewed-by: Harry Wentland Acked-by: Tom Chung Signed-off-by: Alex Hung Tested-by: Daniel Wheeler Signed-off-by: Alex Deucher Signed-off-by: Sasha Levin --- drivers/gpu/drm/amd/display/dc/hdcp/hdcp_msg.c | 17 +++++++++++++++-- 1 file changed, 15 insertions(+), 2 deletions(-) diff --git a/drivers/gpu/drm/amd/display/dc/hdcp/hdcp_msg.c b/drivers/gpu/drm/amd/display/dc/hdcp/hdcp_msg.c index 51855a2624cf..b1d538719505 100644 --- a/drivers/gpu/drm/amd/display/dc/hdcp/hdcp_msg.c +++ b/drivers/gpu/drm/amd/display/dc/hdcp/hdcp_msg.c @@ -130,13 +130,21 @@ static bool hdmi_14_process_transaction( const uint8_t hdcp_i2c_addr_link_primary = 0x3a; /* 0x74 >> 1*/ const uint8_t hdcp_i2c_addr_link_secondary = 0x3b; /* 0x76 >> 1*/ struct i2c_command i2c_command; - uint8_t offset = hdcp_i2c_offsets[message_info->msg_id]; + uint8_t offset; struct i2c_payload i2c_payloads[] = { - { true, 0, 1, &offset }, + { true, 0, 1, 0 }, /* actual hdcp payload, will be filled later, zeroed for now*/ { 0 } }; + if (message_info->msg_id == HDCP_MESSAGE_ID_INVALID) { + DC_LOG_ERROR("%s: Invalid message_info msg_id - %d\n", __func__, message_info->msg_id); + return false; + } + + offset = hdcp_i2c_offsets[message_info->msg_id]; + i2c_payloads[0].data = &offset; + switch (message_info->link) { case HDCP_LINK_SECONDARY: i2c_payloads[0].address = hdcp_i2c_addr_link_secondary; @@ -310,6 +318,11 @@ static bool dp_11_process_transaction( struct dc_link *link, struct hdcp_protection_message *message_info) { + if (message_info->msg_id == HDCP_MESSAGE_ID_INVALID) { + DC_LOG_ERROR("%s: Invalid message_info msg_id - %d\n", __func__, message_info->msg_id); + return false; + } + return dpcd_access_helper( link, message_info->length, From 74c5d8b057cdf9464fc0bf40f74be89aba4466eb Mon Sep 17 00:00:00 2001 From: Hersen Wu Date: Fri, 26 Apr 2024 11:58:11 -0400 Subject: [PATCH 520/702] drm/amd/display: Fix Coverity INTEGER_OVERFLOW within dal_gpio_service_create [ Upstream commit c6077aa66fa230d12f37fef01161ef080d13b726 ] [Why] For subtraction, coverity reports integer overflow warning message when variable type is uint32_t. [How] Change variable type to int32_t. Reviewed-by: Harry Wentland Acked-by: Tom Chung Signed-off-by: Hersen Wu Tested-by: Daniel Wheeler Signed-off-by: Alex Deucher Signed-off-by: Sasha Levin --- drivers/gpu/drm/amd/display/dc/gpio/gpio_service.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/gpu/drm/amd/display/dc/gpio/gpio_service.c b/drivers/gpu/drm/amd/display/dc/gpio/gpio_service.c index a7c92c64490c..a5de27908914 100644 --- a/drivers/gpu/drm/amd/display/dc/gpio/gpio_service.c +++ b/drivers/gpu/drm/amd/display/dc/gpio/gpio_service.c @@ -58,7 +58,7 @@ struct gpio_service *dal_gpio_service_create( struct dc_context *ctx) { struct gpio_service *service; - uint32_t index_of_id; + int32_t index_of_id; service = kzalloc(sizeof(struct gpio_service), GFP_KERNEL); @@ -114,7 +114,7 @@ struct gpio_service *dal_gpio_service_create( return service; failure_2: - while (index_of_id) { + while (index_of_id > 0) { --index_of_id; kfree(service->busyness[index_of_id]); } From 60097df93854e920b00dc11c2415533df6a61802 Mon Sep 17 00:00:00 2001 From: Ma Jun Date: Sun, 28 Apr 2024 14:41:38 +0800 Subject: [PATCH 521/702] drm/amdgpu/pm: Fix uninitialized variable agc_btc_response [ Upstream commit df4409d8a04dd39d7f2aa0c5f528a56b99eaaa13 ] Assign an default value to agc_btc_response in failed case Signed-off-by: Ma Jun Acked-by: Alex Deucher Reviewed-by: Yang Wang Signed-off-by: Alex Deucher Signed-off-by: Sasha Levin --- drivers/gpu/drm/amd/pm/powerplay/hwmgr/vega10_hwmgr.c | 9 +++++++-- 1 file changed, 7 insertions(+), 2 deletions(-) diff --git a/drivers/gpu/drm/amd/pm/powerplay/hwmgr/vega10_hwmgr.c b/drivers/gpu/drm/amd/pm/powerplay/hwmgr/vega10_hwmgr.c index 91fefaeaf47d..1b1603101d7d 100644 --- a/drivers/gpu/drm/amd/pm/powerplay/hwmgr/vega10_hwmgr.c +++ b/drivers/gpu/drm/amd/pm/powerplay/hwmgr/vega10_hwmgr.c @@ -2361,15 +2361,20 @@ static int vega10_acg_enable(struct pp_hwmgr *hwmgr) { struct vega10_hwmgr *data = hwmgr->backend; uint32_t agc_btc_response; + int ret; if (data->smu_features[GNLD_ACG].supported) { if (0 == vega10_enable_smc_features(hwmgr, true, data->smu_features[GNLD_DPM_PREFETCHER].smu_feature_bitmap)) data->smu_features[GNLD_DPM_PREFETCHER].enabled = true; - smum_send_msg_to_smc(hwmgr, PPSMC_MSG_InitializeAcg, NULL); + ret = smum_send_msg_to_smc(hwmgr, PPSMC_MSG_InitializeAcg, NULL); + if (ret) + return ret; - smum_send_msg_to_smc(hwmgr, PPSMC_MSG_RunAcgBtc, &agc_btc_response); + ret = smum_send_msg_to_smc(hwmgr, PPSMC_MSG_RunAcgBtc, &agc_btc_response); + if (ret) + agc_btc_response = 0; if (1 == agc_btc_response) { if (1 == data->acg_loop_state) From c253b87c7c37ec40a2e0c84e4a6b636ba5cd66b2 Mon Sep 17 00:00:00 2001 From: Ma Jun Date: Thu, 25 Apr 2024 14:00:17 +0800 Subject: [PATCH 522/702] drm/amdgpu: Fix out-of-bounds write warning MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit [ Upstream commit be1684930f5262a622d40ce7a6f1423530d87f89 ] Check the ring type value to fix the out-of-bounds write warning Signed-off-by: Ma Jun Suggested-by: Christian König Reviewed-by: Tim Huang Signed-off-by: Alex Deucher Signed-off-by: Sasha Levin --- drivers/gpu/drm/amd/amdgpu/amdgpu_ring.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_ring.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_ring.c index 6976f61be734..b78feb8ba01e 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_ring.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_ring.c @@ -260,7 +260,7 @@ int amdgpu_ring_init(struct amdgpu_device *adev, struct amdgpu_ring *ring, ring->priority = DRM_SCHED_PRIORITY_NORMAL; mutex_init(&ring->priority_mutex); - if (!ring->no_scheduler) { + if (!ring->no_scheduler && ring->funcs->type < AMDGPU_HW_IP_NUM) { hw_ip = ring->funcs->type; num_sched = &adev->gpu_sched[hw_ip][hw_prio].num_scheds; adev->gpu_sched[hw_ip][hw_prio].sched[(*num_sched)++] = From 725b728cc0c8c5fafdfb51cb0937870d33a40fa4 Mon Sep 17 00:00:00 2001 From: Ma Jun Date: Tue, 7 May 2024 09:29:33 +0800 Subject: [PATCH 523/702] drm/amdgpu: Fix out-of-bounds read of df_v1_7_channel_number [ Upstream commit d768394fa99467bcf2703bde74ddc96eeb0b71fa ] Check the fb_channel_number range to avoid the array out-of-bounds read error Signed-off-by: Ma Jun Reviewed-by: Tim Huang Signed-off-by: Alex Deucher Signed-off-by: Sasha Levin --- drivers/gpu/drm/amd/amdgpu/df_v1_7.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/drivers/gpu/drm/amd/amdgpu/df_v1_7.c b/drivers/gpu/drm/amd/amdgpu/df_v1_7.c index d6aca1c08068..9587e8672a01 100644 --- a/drivers/gpu/drm/amd/amdgpu/df_v1_7.c +++ b/drivers/gpu/drm/amd/amdgpu/df_v1_7.c @@ -70,6 +70,8 @@ static u32 df_v1_7_get_hbm_channel_number(struct amdgpu_device *adev) int fb_channel_number; fb_channel_number = adev->df.funcs->get_fb_channel_number(adev); + if (fb_channel_number >= ARRAY_SIZE(df_v1_7_channel_number)) + fb_channel_number = 0; return df_v1_7_channel_number[fb_channel_number]; } From 5f09fa5e0ad45fbca71933a0e024ca52da47d59b Mon Sep 17 00:00:00 2001 From: Tim Huang Date: Mon, 6 May 2024 16:21:00 +0800 Subject: [PATCH 524/702] drm/amdgpu: fix ucode out-of-bounds read warning [ Upstream commit 8944acd0f9db33e17f387fdc75d33bb473d7936f ] Clear warning that read ucode[] may out-of-bounds. Signed-off-by: Tim Huang Reviewed-by: Alex Deucher Signed-off-by: Alex Deucher Signed-off-by: Sasha Levin --- drivers/gpu/drm/amd/amdgpu/amdgpu_cgs.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_cgs.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_cgs.c index 78ac6dbe70d8..854b21860257 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_cgs.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_cgs.c @@ -213,6 +213,9 @@ static int amdgpu_cgs_get_firmware_info(struct cgs_device *cgs_device, struct amdgpu_firmware_info *ucode; id = fw_type_convert(cgs_device, type); + if (id >= AMDGPU_UCODE_ID_MAXIMUM) + return -EINVAL; + ucode = &adev->firmware.ucode[id]; if (ucode->fw == NULL) return -EINVAL; From 310b9d8363b88e818afec97ca7652bd7fe3d0650 Mon Sep 17 00:00:00 2001 From: Tim Huang Date: Mon, 6 May 2024 16:30:01 +0800 Subject: [PATCH 525/702] drm/amdgpu: fix mc_data out-of-bounds read warning [ Upstream commit 51dfc0a4d609fe700750a62f41447f01b8c9ea50 ] Clear warning that read mc_data[i-1] may out-of-bounds. Signed-off-by: Tim Huang Reviewed-by: Alex Deucher Signed-off-by: Alex Deucher Signed-off-by: Sasha Levin --- drivers/gpu/drm/amd/amdgpu/amdgpu_atombios.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_atombios.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_atombios.c index 469352e2d6ec..436d436b2ea2 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_atombios.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_atombios.c @@ -1626,6 +1626,8 @@ int amdgpu_atombios_init_mc_reg_table(struct amdgpu_device *adev, (u32)le32_to_cpu(*((u32 *)reg_data + j)); j++; } else if ((reg_table->mc_reg_address[i].pre_reg_data & LOW_NIBBLE_MASK) == DATA_EQU_PREV) { + if (i == 0) + continue; reg_table->mc_reg_table_entry[num_ranges].mc_data[i] = reg_table->mc_reg_table_entry[num_ranges].mc_data[i - 1]; } From 0842db679dc07b8a4db54a14265b76c34d7c6e33 Mon Sep 17 00:00:00 2001 From: Michael Chen Date: Fri, 3 May 2024 15:31:08 -0400 Subject: [PATCH 526/702] drm/amdkfd: Reconcile the definition and use of oem_id in struct kfd_topology_device [ Upstream commit 10f624ef239bd136cdcc5bbc626157a57b938a31 ] Currently oem_id is defined as uint8_t[6] and casted to uint64_t* in some use case. This would lead code scanner to complain about access beyond. Re-define it in union to enforce 8-byte size and alignment to avoid potential issue. Signed-off-by: Michael Chen Reviewed-by: Felix Kuehling Signed-off-by: Alex Deucher Signed-off-by: Sasha Levin --- drivers/gpu/drm/amd/amdkfd/kfd_crat.h | 2 -- drivers/gpu/drm/amd/amdkfd/kfd_topology.c | 3 +-- drivers/gpu/drm/amd/amdkfd/kfd_topology.h | 5 ++++- 3 files changed, 5 insertions(+), 5 deletions(-) diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_crat.h b/drivers/gpu/drm/amd/amdkfd/kfd_crat.h index d54ceebd346b..30c70b3ab17f 100644 --- a/drivers/gpu/drm/amd/amdkfd/kfd_crat.h +++ b/drivers/gpu/drm/amd/amdkfd/kfd_crat.h @@ -42,8 +42,6 @@ #define CRAT_OEMTABLEID_LENGTH 8 #define CRAT_RESERVED_LENGTH 6 -#define CRAT_OEMID_64BIT_MASK ((1ULL << (CRAT_OEMID_LENGTH * 8)) - 1) - /* Compute Unit flags */ #define COMPUTE_UNIT_CPU (1 << 0) /* Create Virtual CRAT for CPU */ #define COMPUTE_UNIT_GPU (1 << 1) /* Create Virtual CRAT for GPU */ diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_topology.c b/drivers/gpu/drm/amd/amdkfd/kfd_topology.c index 2b31c3066aaa..b5738032237e 100644 --- a/drivers/gpu/drm/amd/amdkfd/kfd_topology.c +++ b/drivers/gpu/drm/amd/amdkfd/kfd_topology.c @@ -906,8 +906,7 @@ static void kfd_update_system_properties(void) dev = list_last_entry(&topology_device_list, struct kfd_topology_device, list); if (dev) { - sys_props.platform_id = - (*((uint64_t *)dev->oem_id)) & CRAT_OEMID_64BIT_MASK; + sys_props.platform_id = dev->oem_id64; sys_props.platform_oem = *((uint64_t *)dev->oem_table_id); sys_props.platform_rev = dev->oem_revision; } diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_topology.h b/drivers/gpu/drm/amd/amdkfd/kfd_topology.h index 326d9b26b7aa..22476a939064 100644 --- a/drivers/gpu/drm/amd/amdkfd/kfd_topology.h +++ b/drivers/gpu/drm/amd/amdkfd/kfd_topology.h @@ -182,7 +182,10 @@ struct kfd_topology_device { struct attribute attr_gpuid; struct attribute attr_name; struct attribute attr_props; - uint8_t oem_id[CRAT_OEMID_LENGTH]; + union { + uint8_t oem_id[CRAT_OEMID_LENGTH]; + uint64_t oem_id64; + }; uint8_t oem_table_id[CRAT_OEMTABLEID_LENGTH]; uint32_t oem_revision; }; From 52338a3aa772762b8392ce7cac106c1099aeab85 Mon Sep 17 00:00:00 2001 From: Leesoo Ahn Date: Wed, 8 May 2024 01:12:29 +0900 Subject: [PATCH 527/702] apparmor: fix possible NULL pointer dereference [ Upstream commit 3dd384108d53834002be5630132ad5c3f32166ad ] profile->parent->dents[AAFS_PROF_DIR] could be NULL only if its parent is made from __create_missing_ancestors(..) and 'ent->old' is NULL in aa_replace_profiles(..). In that case, it must return an error code and the code, -ENOENT represents its state that the path of its parent is not existed yet. BUG: kernel NULL pointer dereference, address: 0000000000000030 PGD 0 P4D 0 PREEMPT SMP PTI CPU: 4 PID: 3362 Comm: apparmor_parser Not tainted 6.8.0-24-generic #24 Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.15.0-1 04/01/2014 RIP: 0010:aafs_create.constprop.0+0x7f/0x130 Code: 4c 63 e0 48 83 c4 18 4c 89 e0 5b 41 5c 41 5d 41 5e 41 5f 5d 31 d2 31 c9 31 f6 31 ff 45 31 c0 45 31 c9 45 31 d2 c3 cc cc cc cc <4d> 8b 55 30 4d 8d ba a0 00 00 00 4c 89 55 c0 4c 89 ff e8 7a 6a ae RSP: 0018:ffffc9000b2c7c98 EFLAGS: 00010246 RAX: 0000000000000000 RBX: 00000000000041ed RCX: 0000000000000000 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 RBP: ffffc9000b2c7cd8 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000000 R12: ffffffff82baac10 R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 FS: 00007be9f22cf740(0000) GS:ffff88817bc00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000000000030 CR3: 0000000134b08000 CR4: 00000000000006f0 Call Trace: ? show_regs+0x6d/0x80 ? __die+0x24/0x80 ? page_fault_oops+0x99/0x1b0 ? kernelmode_fixup_or_oops+0xb2/0x140 ? __bad_area_nosemaphore+0x1a5/0x2c0 ? find_vma+0x34/0x60 ? bad_area_nosemaphore+0x16/0x30 ? do_user_addr_fault+0x2a2/0x6b0 ? exc_page_fault+0x83/0x1b0 ? asm_exc_page_fault+0x27/0x30 ? aafs_create.constprop.0+0x7f/0x130 ? aafs_create.constprop.0+0x51/0x130 __aafs_profile_mkdir+0x3d6/0x480 aa_replace_profiles+0x83f/0x1270 policy_update+0xe3/0x180 profile_load+0xbc/0x150 ? rw_verify_area+0x47/0x140 vfs_write+0x100/0x480 ? __x64_sys_openat+0x55/0xa0 ? syscall_exit_to_user_mode+0x86/0x260 ksys_write+0x73/0x100 __x64_sys_write+0x19/0x30 x64_sys_call+0x7e/0x25c0 do_syscall_64+0x7f/0x180 entry_SYSCALL_64_after_hwframe+0x78/0x80 RIP: 0033:0x7be9f211c574 Code: c7 00 16 00 00 00 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 f3 0f 1e fa 80 3d d5 ea 0e 00 00 74 13 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 54 c3 0f 1f 00 55 48 89 e5 48 83 ec 20 48 89 RSP: 002b:00007ffd26f2b8c8 EFLAGS: 00000202 ORIG_RAX: 0000000000000001 RAX: ffffffffffffffda RBX: 00005d504415e200 RCX: 00007be9f211c574 RDX: 0000000000001fc1 RSI: 00005d504418bc80 RDI: 0000000000000004 RBP: 0000000000001fc1 R08: 0000000000001fc1 R09: 0000000080000000 R10: 0000000000000000 R11: 0000000000000202 R12: 00005d504418bc80 R13: 0000000000000004 R14: 00007ffd26f2b9b0 R15: 00007ffd26f2ba30 Modules linked in: snd_seq_dummy snd_hrtimer qrtr snd_hda_codec_generic snd_hda_intel snd_intel_dspcfg snd_intel_sdw_acpi snd_hda_codec snd_hda_core snd_hwdep snd_pcm snd_seq_midi snd_seq_midi_event snd_rawmidi snd_seq snd_seq_device i2c_i801 snd_timer i2c_smbus qxl snd soundcore drm_ttm_helper lpc_ich ttm joydev input_leds serio_raw mac_hid binfmt_misc msr parport_pc ppdev lp parport efi_pstore nfnetlink dmi_sysfs qemu_fw_cfg ip_tables x_tables autofs4 hid_generic usbhid hid ahci libahci psmouse virtio_rng xhci_pci xhci_pci_renesas CR2: 0000000000000030 ---[ end trace 0000000000000000 ]--- RIP: 0010:aafs_create.constprop.0+0x7f/0x130 Code: 4c 63 e0 48 83 c4 18 4c 89 e0 5b 41 5c 41 5d 41 5e 41 5f 5d 31 d2 31 c9 31 f6 31 ff 45 31 c0 45 31 c9 45 31 d2 c3 cc cc cc cc <4d> 8b 55 30 4d 8d ba a0 00 00 00 4c 89 55 c0 4c 89 ff e8 7a 6a ae RSP: 0018:ffffc9000b2c7c98 EFLAGS: 00010246 RAX: 0000000000000000 RBX: 00000000000041ed RCX: 0000000000000000 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 RBP: ffffc9000b2c7cd8 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000000 R12: ffffffff82baac10 R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 FS: 00007be9f22cf740(0000) GS:ffff88817bc00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000000000030 CR3: 0000000134b08000 CR4: 00000000000006f0 Signed-off-by: Leesoo Ahn Signed-off-by: John Johansen Signed-off-by: Sasha Levin --- security/apparmor/apparmorfs.c | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/security/apparmor/apparmorfs.c b/security/apparmor/apparmorfs.c index 49d97b331abc..06eac2266565 100644 --- a/security/apparmor/apparmorfs.c +++ b/security/apparmor/apparmorfs.c @@ -1679,6 +1679,10 @@ int __aafs_profile_mkdir(struct aa_profile *profile, struct dentry *parent) struct aa_profile *p; p = aa_deref_parent(profile); dent = prof_dir(p); + if (!dent) { + error = -ENOENT; + goto fail2; + } /* adding to parent that previously didn't have children */ dent = aafs_create_dir("profiles", dent); if (IS_ERR(dent)) From 008933832a3107ddd1ec96d4638763f2f6f788ce Mon Sep 17 00:00:00 2001 From: Ma Jun Date: Fri, 10 May 2024 10:05:21 +0800 Subject: [PATCH 528/702] drm/amdgpu/pm: Check input value for CUSTOM profile mode setting on legacy SOCs [ Upstream commit df0a9bd92fbbd3fcafcb2bce6463c9228a3e6868 ] Check the input value for CUSTOM profile mode setting on legacy SOCs. Otherwise we may use uninitalized value of input[] Signed-off-by: Ma Jun Reviewed-by: Yang Wang Signed-off-by: Alex Deucher Signed-off-by: Sasha Levin --- drivers/gpu/drm/amd/pm/powerplay/hwmgr/smu7_hwmgr.c | 2 +- drivers/gpu/drm/amd/pm/powerplay/hwmgr/vega20_hwmgr.c | 8 ++++++-- 2 files changed, 7 insertions(+), 3 deletions(-) diff --git a/drivers/gpu/drm/amd/pm/powerplay/hwmgr/smu7_hwmgr.c b/drivers/gpu/drm/amd/pm/powerplay/hwmgr/smu7_hwmgr.c index 5e72b7555eda..3673a9e7ba44 100644 --- a/drivers/gpu/drm/amd/pm/powerplay/hwmgr/smu7_hwmgr.c +++ b/drivers/gpu/drm/amd/pm/powerplay/hwmgr/smu7_hwmgr.c @@ -5190,7 +5190,7 @@ static int smu7_set_power_profile_mode(struct pp_hwmgr *hwmgr, long *input, uint mode = input[size]; switch (mode) { case PP_SMC_POWER_PROFILE_CUSTOM: - if (size < 8 && size != 0) + if (size != 8 && size != 0) return -EINVAL; /* If only CUSTOM is passed in, use the saved values. Check * that we actually have a CUSTOM profile by ensuring that diff --git a/drivers/gpu/drm/amd/pm/powerplay/hwmgr/vega20_hwmgr.c b/drivers/gpu/drm/amd/pm/powerplay/hwmgr/vega20_hwmgr.c index 57a354a03e8a..a55dc6ec4f76 100644 --- a/drivers/gpu/drm/amd/pm/powerplay/hwmgr/vega20_hwmgr.c +++ b/drivers/gpu/drm/amd/pm/powerplay/hwmgr/vega20_hwmgr.c @@ -4095,9 +4095,11 @@ static int vega20_set_power_profile_mode(struct pp_hwmgr *hwmgr, long *input, ui if (power_profile_mode == PP_SMC_POWER_PROFILE_CUSTOM) { struct vega20_hwmgr *data = (struct vega20_hwmgr *)(hwmgr->backend); - if (size == 0 && !data->is_custom_profile_set) + + if (size != 10 && size != 0) return -EINVAL; - if (size < 10 && size != 0) + + if (size == 0 && !data->is_custom_profile_set) return -EINVAL; result = vega20_get_activity_monitor_coeff(hwmgr, @@ -4159,6 +4161,8 @@ static int vega20_set_power_profile_mode(struct pp_hwmgr *hwmgr, long *input, ui activity_monitor.Fclk_PD_Data_error_coeff = input[8]; activity_monitor.Fclk_PD_Data_error_rate_coeff = input[9]; break; + default: + return -EINVAL; } result = vega20_set_activity_monitor_coeff(hwmgr, From 614564a5b28983de53b23a358ebe6c483a2aa21e Mon Sep 17 00:00:00 2001 From: Jesse Zhang Date: Mon, 13 May 2024 15:22:42 +0800 Subject: [PATCH 529/702] drm/amdgpu: the warning dereferencing obj for nbio_v7_4 [ Upstream commit d190b459b2a4304307c3468ed97477b808381011 ] if ras_manager obj null, don't print NBIO err data Signed-off-by: Jesse Zhang Suggested-by: Tim Huang Reviewed-by: Tim Huang Signed-off-by: Alex Deucher Signed-off-by: Sasha Levin --- drivers/gpu/drm/amd/amdgpu/nbio_v7_4.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/gpu/drm/amd/amdgpu/nbio_v7_4.c b/drivers/gpu/drm/amd/amdgpu/nbio_v7_4.c index eadc9526d33f..b81572dc115f 100644 --- a/drivers/gpu/drm/amd/amdgpu/nbio_v7_4.c +++ b/drivers/gpu/drm/amd/amdgpu/nbio_v7_4.c @@ -313,7 +313,7 @@ static void nbio_v7_4_handle_ras_controller_intr_no_bifring(struct amdgpu_device RAS_CNTLR_INTERRUPT_CLEAR, 1); WREG32_SOC15(NBIO, 0, mmBIF_DOORBELL_INT_CNTL, bif_doorbell_intr_cntl); - if (!ras->disable_ras_err_cnt_harvest) { + if (ras && !ras->disable_ras_err_cnt_harvest && obj) { /* * clear error status after ras_controller_intr * according to hw team and count ue number From ed7e9ed9738e847577fa67814be24723684f7421 Mon Sep 17 00:00:00 2001 From: Jesse Zhang Date: Mon, 13 May 2024 16:01:23 +0800 Subject: [PATCH 530/702] drm/amd/pm: check negtive return for table entries [ Upstream commit f76059fe14395b37ba8d997eb0381b1b9e80a939 ] Function hwmgr->hwmgr_func->get_num_of_pp_table_entries(hwmgr) returns a negative number Signed-off-by: Jesse Zhang Suggested-by: Tim Huang Reviewed-by: Tim Huang Signed-off-by: Alex Deucher Signed-off-by: Sasha Levin --- drivers/gpu/drm/amd/pm/powerplay/hwmgr/pp_psm.c | 13 ++++++++----- 1 file changed, 8 insertions(+), 5 deletions(-) diff --git a/drivers/gpu/drm/amd/pm/powerplay/hwmgr/pp_psm.c b/drivers/gpu/drm/amd/pm/powerplay/hwmgr/pp_psm.c index 31a32a79cfc2..fe70ab4e65bb 100644 --- a/drivers/gpu/drm/amd/pm/powerplay/hwmgr/pp_psm.c +++ b/drivers/gpu/drm/amd/pm/powerplay/hwmgr/pp_psm.c @@ -30,9 +30,8 @@ int psm_init_power_state_table(struct pp_hwmgr *hwmgr) { int result; unsigned int i; - unsigned int table_entries; struct pp_power_state *state; - int size; + int size, table_entries; if (hwmgr->hwmgr_func->get_num_of_pp_table_entries == NULL) return 0; @@ -40,15 +39,19 @@ int psm_init_power_state_table(struct pp_hwmgr *hwmgr) if (hwmgr->hwmgr_func->get_power_state_size == NULL) return 0; - hwmgr->num_ps = table_entries = hwmgr->hwmgr_func->get_num_of_pp_table_entries(hwmgr); + table_entries = hwmgr->hwmgr_func->get_num_of_pp_table_entries(hwmgr); - hwmgr->ps_size = size = hwmgr->hwmgr_func->get_power_state_size(hwmgr) + + size = hwmgr->hwmgr_func->get_power_state_size(hwmgr) + sizeof(struct pp_power_state); - if (table_entries == 0 || size == 0) { + if (table_entries <= 0 || size == 0) { pr_warn("Please check whether power state management is supported on this asic\n"); + hwmgr->num_ps = 0; + hwmgr->ps_size = 0; return 0; } + hwmgr->num_ps = table_entries; + hwmgr->ps_size = size; hwmgr->ps = kcalloc(table_entries, size, GFP_KERNEL); if (hwmgr->ps == NULL) From 9aa7dd5e3189bc72e9c5c8d2adce416c9942e6b4 Mon Sep 17 00:00:00 2001 From: Shahar S Matityahu Date: Fri, 10 May 2024 17:06:40 +0300 Subject: [PATCH 531/702] wifi: iwlwifi: remove fw_running op [ Upstream commit 37733bffda3285d18bd1d72c14b3a1cf39c56a5e ] fw_running assumes that memory can be retrieved only after alive. This assumption is no longer true as we support dump before alive. To avoid invalid access to the NIC, check that STATUS_DEVICE_ENABLED bit in trans status is set before dumping instead of the prior check. Signed-off-by: Shahar S Matityahu Reviewed-by: Luciano Coelho Signed-off-by: Emmanuel Grumbach Signed-off-by: Miri Korenblit Link: https://msgid.link/20240510170500.ca07138cedeb.I090e31d3eaeb4ba19f5f84aba997ccd36927e9ac@changeid Signed-off-by: Johannes Berg Signed-off-by: Sasha Levin --- drivers/net/wireless/intel/iwlwifi/fw/debugfs.c | 3 +-- drivers/net/wireless/intel/iwlwifi/fw/runtime.h | 1 - drivers/net/wireless/intel/iwlwifi/mvm/ops.c | 6 ------ 3 files changed, 1 insertion(+), 9 deletions(-) diff --git a/drivers/net/wireless/intel/iwlwifi/fw/debugfs.c b/drivers/net/wireless/intel/iwlwifi/fw/debugfs.c index 24d6ed3513ce..c09a736f87e6 100644 --- a/drivers/net/wireless/intel/iwlwifi/fw/debugfs.c +++ b/drivers/net/wireless/intel/iwlwifi/fw/debugfs.c @@ -275,8 +275,7 @@ static ssize_t iwl_dbgfs_send_hcmd_write(struct iwl_fw_runtime *fwrt, char *buf, .data = { NULL, }, }; - if (fwrt->ops && fwrt->ops->fw_running && - !fwrt->ops->fw_running(fwrt->ops_ctx)) + if (!iwl_trans_fw_running(fwrt->trans)) return -EIO; if (count < header_size + 1 || count > 1024 * 4) diff --git a/drivers/net/wireless/intel/iwlwifi/fw/runtime.h b/drivers/net/wireless/intel/iwlwifi/fw/runtime.h index cddcb4d9a264..79ab8ef78f67 100644 --- a/drivers/net/wireless/intel/iwlwifi/fw/runtime.h +++ b/drivers/net/wireless/intel/iwlwifi/fw/runtime.h @@ -72,7 +72,6 @@ struct iwl_fw_runtime_ops { int (*dump_start)(void *ctx); void (*dump_end)(void *ctx); - bool (*fw_running)(void *ctx); int (*send_hcmd)(void *ctx, struct iwl_host_cmd *host_cmd); bool (*d3_debug_enable)(void *ctx); }; diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/ops.c b/drivers/net/wireless/intel/iwlwifi/mvm/ops.c index 3548eb57f1f3..9b1a1455a7d5 100644 --- a/drivers/net/wireless/intel/iwlwifi/mvm/ops.c +++ b/drivers/net/wireless/intel/iwlwifi/mvm/ops.c @@ -577,11 +577,6 @@ static void iwl_mvm_fwrt_dump_end(void *ctx) mutex_unlock(&mvm->mutex); } -static bool iwl_mvm_fwrt_fw_running(void *ctx) -{ - return iwl_mvm_firmware_running(ctx); -} - static int iwl_mvm_fwrt_send_hcmd(void *ctx, struct iwl_host_cmd *host_cmd) { struct iwl_mvm *mvm = (struct iwl_mvm *)ctx; @@ -602,7 +597,6 @@ static bool iwl_mvm_d3_debug_enable(void *ctx) static const struct iwl_fw_runtime_ops iwl_mvm_fwrt_ops = { .dump_start = iwl_mvm_fwrt_dump_start, .dump_end = iwl_mvm_fwrt_dump_end, - .fw_running = iwl_mvm_fwrt_fw_running, .send_hcmd = iwl_mvm_fwrt_send_hcmd, .d3_debug_enable = iwl_mvm_d3_debug_enable, }; From 7eb7888021baac544e21ae53d2c8ffc72c8c5cf0 Mon Sep 17 00:00:00 2001 From: Aleksandr Mishin Date: Fri, 3 May 2024 15:57:05 +0300 Subject: [PATCH 532/702] PCI: al: Check IORESOURCE_BUS existence during probe MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit [ Upstream commit a9927c2cac6e9831361e43a14d91277818154e6a ] If IORESOURCE_BUS is not provided in Device Tree it will be fabricated in of_pci_parse_bus_range(), so NULL pointer dereference should not happen here. But that's hard to verify, so check for NULL anyway. Found by Linux Verification Center (linuxtesting.org) with SVACE. Link: https://lore.kernel.org/linux-pci/20240503125705.46055-1-amishin@t-argos.ru Suggested-by: Bjorn Helgaas Signed-off-by: Aleksandr Mishin Signed-off-by: Krzysztof Wilczyński [bhelgaas: commit log] Signed-off-by: Bjorn Helgaas Signed-off-by: Sasha Levin --- drivers/pci/controller/dwc/pcie-al.c | 16 +++++++++++++--- 1 file changed, 13 insertions(+), 3 deletions(-) diff --git a/drivers/pci/controller/dwc/pcie-al.c b/drivers/pci/controller/dwc/pcie-al.c index f973fbca90cf..ac772fb11aa7 100644 --- a/drivers/pci/controller/dwc/pcie-al.c +++ b/drivers/pci/controller/dwc/pcie-al.c @@ -250,18 +250,24 @@ static struct pci_ops al_child_pci_ops = { .write = pci_generic_config_write, }; -static void al_pcie_config_prepare(struct al_pcie *pcie) +static int al_pcie_config_prepare(struct al_pcie *pcie) { struct al_pcie_target_bus_cfg *target_bus_cfg; struct pcie_port *pp = &pcie->pci->pp; unsigned int ecam_bus_mask; + struct resource_entry *ft; u32 cfg_control_offset; + struct resource *bus; u8 subordinate_bus; u8 secondary_bus; u32 cfg_control; u32 reg; - struct resource *bus = resource_list_first_type(&pp->bridge->windows, IORESOURCE_BUS)->res; + ft = resource_list_first_type(&pp->bridge->windows, IORESOURCE_BUS); + if (!ft) + return -ENODEV; + + bus = ft->res; target_bus_cfg = &pcie->target_bus_cfg; ecam_bus_mask = (pcie->ecam_size >> 20) - 1; @@ -295,6 +301,8 @@ static void al_pcie_config_prepare(struct al_pcie *pcie) FIELD_PREP(CFG_CONTROL_SEC_BUS_MASK, secondary_bus); al_pcie_controller_writel(pcie, cfg_control_offset, reg); + + return 0; } static int al_pcie_host_init(struct pcie_port *pp) @@ -313,7 +321,9 @@ static int al_pcie_host_init(struct pcie_port *pp) if (rc) return rc; - al_pcie_config_prepare(pcie); + rc = al_pcie_config_prepare(pcie); + if (rc) + return rc; return 0; } From e85cf9a5a41b70b1e0c9e263906981cb3d749b12 Mon Sep 17 00:00:00 2001 From: Richard Maina Date: Wed, 29 May 2024 11:09:55 -0700 Subject: [PATCH 533/702] hwspinlock: Introduce hwspin_lock_bust() [ Upstream commit 7c327d56597d8de1680cf24e956b704270d3d84a ] When a remoteproc crashes or goes down unexpectedly this can result in a state where locks held by the remoteproc will remain locked possibly resulting in deadlock. This new API hwspin_lock_bust() allows hwspinlock implementers to define a bust operation for freeing previously acquired hwspinlocks after verifying ownership of the acquired lock. Signed-off-by: Richard Maina Reviewed-by: Bjorn Andersson Signed-off-by: Chris Lew Link: https://lore.kernel.org/r/20240529-hwspinlock-bust-v3-1-c8b924ffa5a2@quicinc.com Signed-off-by: Bjorn Andersson Signed-off-by: Sasha Levin --- Documentation/locking/hwspinlock.rst | 11 ++++++++++ drivers/hwspinlock/hwspinlock_core.c | 28 ++++++++++++++++++++++++ drivers/hwspinlock/hwspinlock_internal.h | 3 +++ include/linux/hwspinlock.h | 6 +++++ 4 files changed, 48 insertions(+) diff --git a/Documentation/locking/hwspinlock.rst b/Documentation/locking/hwspinlock.rst index 6f03713b7003..2ffaa3cbd63f 100644 --- a/Documentation/locking/hwspinlock.rst +++ b/Documentation/locking/hwspinlock.rst @@ -85,6 +85,17 @@ is already free). Should be called from a process context (might sleep). +:: + + int hwspin_lock_bust(struct hwspinlock *hwlock, unsigned int id); + +After verifying the owner of the hwspinlock, release a previously acquired +hwspinlock; returns 0 on success, or an appropriate error code on failure +(e.g. -EOPNOTSUPP if the bust operation is not defined for the specific +hwspinlock). + +Should be called from a process context (might sleep). + :: int hwspin_lock_timeout(struct hwspinlock *hwlock, unsigned int timeout); diff --git a/drivers/hwspinlock/hwspinlock_core.c b/drivers/hwspinlock/hwspinlock_core.c index fd5f5c5a5244..425597151dd3 100644 --- a/drivers/hwspinlock/hwspinlock_core.c +++ b/drivers/hwspinlock/hwspinlock_core.c @@ -302,6 +302,34 @@ void __hwspin_unlock(struct hwspinlock *hwlock, int mode, unsigned long *flags) } EXPORT_SYMBOL_GPL(__hwspin_unlock); +/** + * hwspin_lock_bust() - bust a specific hwspinlock + * @hwlock: a previously-acquired hwspinlock which we want to bust + * @id: identifier of the remote lock holder, if applicable + * + * This function will bust a hwspinlock that was previously acquired as + * long as the current owner of the lock matches the id given by the caller. + * + * Context: Process context. + * + * Returns: 0 on success, or -EINVAL if the hwspinlock does not exist, or + * the bust operation fails, and -EOPNOTSUPP if the bust operation is not + * defined for the hwspinlock. + */ +int hwspin_lock_bust(struct hwspinlock *hwlock, unsigned int id) +{ + if (WARN_ON(!hwlock)) + return -EINVAL; + + if (!hwlock->bank->ops->bust) { + pr_err("bust operation not defined\n"); + return -EOPNOTSUPP; + } + + return hwlock->bank->ops->bust(hwlock, id); +} +EXPORT_SYMBOL_GPL(hwspin_lock_bust); + /** * of_hwspin_lock_simple_xlate - translate hwlock_spec to return a lock id * @bank: the hwspinlock device bank diff --git a/drivers/hwspinlock/hwspinlock_internal.h b/drivers/hwspinlock/hwspinlock_internal.h index 29892767bb7a..f298fc0ee5ad 100644 --- a/drivers/hwspinlock/hwspinlock_internal.h +++ b/drivers/hwspinlock/hwspinlock_internal.h @@ -21,6 +21,8 @@ struct hwspinlock_device; * @trylock: make a single attempt to take the lock. returns 0 on * failure and true on success. may _not_ sleep. * @unlock: release the lock. always succeed. may _not_ sleep. + * @bust: optional, platform-specific bust handler, called by hwspinlock + * core to bust a specific lock. * @relax: optional, platform-specific relax handler, called by hwspinlock * core while spinning on a lock, between two successive * invocations of @trylock. may _not_ sleep. @@ -28,6 +30,7 @@ struct hwspinlock_device; struct hwspinlock_ops { int (*trylock)(struct hwspinlock *lock); void (*unlock)(struct hwspinlock *lock); + int (*bust)(struct hwspinlock *lock, unsigned int id); void (*relax)(struct hwspinlock *lock); }; diff --git a/include/linux/hwspinlock.h b/include/linux/hwspinlock.h index bfe7c1f1ac6d..f0231dbc4777 100644 --- a/include/linux/hwspinlock.h +++ b/include/linux/hwspinlock.h @@ -68,6 +68,7 @@ int __hwspin_lock_timeout(struct hwspinlock *, unsigned int, int, int __hwspin_trylock(struct hwspinlock *, int, unsigned long *); void __hwspin_unlock(struct hwspinlock *, int, unsigned long *); int of_hwspin_lock_get_id_byname(struct device_node *np, const char *name); +int hwspin_lock_bust(struct hwspinlock *hwlock, unsigned int id); int devm_hwspin_lock_free(struct device *dev, struct hwspinlock *hwlock); struct hwspinlock *devm_hwspin_lock_request(struct device *dev); struct hwspinlock *devm_hwspin_lock_request_specific(struct device *dev, @@ -127,6 +128,11 @@ void __hwspin_unlock(struct hwspinlock *hwlock, int mode, unsigned long *flags) { } +static inline int hwspin_lock_bust(struct hwspinlock *hwlock, unsigned int id) +{ + return 0; +} + static inline int of_hwspin_lock_get_id(struct device_node *np, int index) { return 0; From c7975f09ae269b4c8626ec5af777740d15684a4d Mon Sep 17 00:00:00 2001 From: Shannon Nelson Date: Tue, 28 May 2024 17:02:53 -0700 Subject: [PATCH 534/702] ionic: fix potential irq name truncation [ Upstream commit 3eb76e71b16e8ba5277bf97617aef51f5e64dbe4 ] Address a warning about potential string truncation based on the string buffer sizes. We can add some hints to the string format specifier to set limits on the resulting possible string to squelch the complaints. Signed-off-by: Shannon Nelson Link: https://lore.kernel.org/r/20240529000259.25775-2-shannon.nelson@amd.com Signed-off-by: Jakub Kicinski Signed-off-by: Sasha Levin --- drivers/net/ethernet/pensando/ionic/ionic_lif.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/net/ethernet/pensando/ionic/ionic_lif.c b/drivers/net/ethernet/pensando/ionic/ionic_lif.c index 324ef6990e9a..f0c48f20d086 100644 --- a/drivers/net/ethernet/pensando/ionic/ionic_lif.c +++ b/drivers/net/ethernet/pensando/ionic/ionic_lif.c @@ -210,7 +210,7 @@ static int ionic_request_irq(struct ionic_lif *lif, struct ionic_qcq *qcq) name = dev_name(dev); snprintf(intr->name, sizeof(intr->name), - "%s-%s-%s", IONIC_DRV_NAME, name, q->name); + "%.5s-%.16s-%.8s", IONIC_DRV_NAME, name, q->name); return devm_request_irq(dev, intr->vector, ionic_isr, 0, intr->name, &qcq->napi); From bd13c1119a9613a5aef8beb500624c496fe545d4 Mon Sep 17 00:00:00 2001 From: Simon Holesch Date: Sun, 19 May 2024 16:15:38 +0200 Subject: [PATCH 535/702] usbip: Don't submit special requests twice [ Upstream commit 8b6b386f9aa936ed0c190446c71cf59d4a507690 ] Skip submitting URBs, when identical requests were already sent in tweak_special_requests(). Instead call the completion handler directly to return the result of the URB. Even though submitting those requests twice should be harmless, there are USB devices that react poorly to some duplicated requests. One example is the ChipIdea controller implementation in U-Boot: The second SET_CONFIGURATION request makes U-Boot disable and re-enable all endpoints. Re-enabling an endpoint in the ChipIdea controller, however, was broken until U-Boot commit b272c8792502 ("usb: ci: Fix gadget reinit"). Signed-off-by: Simon Holesch Acked-by: Shuah Khan Reviewed-by: Hongren Zheng Tested-by: Hongren Zheng Link: https://lore.kernel.org/r/20240519141922.171460-1-simon@holesch.de Signed-off-by: Greg Kroah-Hartman Signed-off-by: Sasha Levin --- drivers/usb/usbip/stub_rx.c | 77 ++++++++++++++++++++++++------------- 1 file changed, 50 insertions(+), 27 deletions(-) diff --git a/drivers/usb/usbip/stub_rx.c b/drivers/usb/usbip/stub_rx.c index 5dd41e8215e0..bb34d647cf13 100644 --- a/drivers/usb/usbip/stub_rx.c +++ b/drivers/usb/usbip/stub_rx.c @@ -144,53 +144,62 @@ static int tweak_set_configuration_cmd(struct urb *urb) if (err && err != -ENODEV) dev_err(&sdev->udev->dev, "can't set config #%d, error %d\n", config, err); - return 0; + return err; } static int tweak_reset_device_cmd(struct urb *urb) { struct stub_priv *priv = (struct stub_priv *) urb->context; struct stub_device *sdev = priv->sdev; + int err; dev_info(&urb->dev->dev, "usb_queue_reset_device\n"); - if (usb_lock_device_for_reset(sdev->udev, NULL) < 0) { + err = usb_lock_device_for_reset(sdev->udev, NULL); + if (err < 0) { dev_err(&urb->dev->dev, "could not obtain lock to reset device\n"); - return 0; + return err; } - usb_reset_device(sdev->udev); + err = usb_reset_device(sdev->udev); usb_unlock_device(sdev->udev); - return 0; + return err; } /* * clear_halt, set_interface, and set_configuration require special tricks. + * Returns 1 if request was tweaked, 0 otherwise. */ -static void tweak_special_requests(struct urb *urb) +static int tweak_special_requests(struct urb *urb) { + int err; + if (!urb || !urb->setup_packet) - return; + return 0; if (usb_pipetype(urb->pipe) != PIPE_CONTROL) - return; + return 0; if (is_clear_halt_cmd(urb)) /* tweak clear_halt */ - tweak_clear_halt_cmd(urb); + err = tweak_clear_halt_cmd(urb); else if (is_set_interface_cmd(urb)) /* tweak set_interface */ - tweak_set_interface_cmd(urb); + err = tweak_set_interface_cmd(urb); else if (is_set_configuration_cmd(urb)) /* tweak set_configuration */ - tweak_set_configuration_cmd(urb); + err = tweak_set_configuration_cmd(urb); else if (is_reset_device_cmd(urb)) - tweak_reset_device_cmd(urb); - else + err = tweak_reset_device_cmd(urb); + else { usbip_dbg_stub_rx("no need to tweak\n"); + return 0; + } + + return !err; } /* @@ -468,6 +477,7 @@ static void stub_recv_cmd_submit(struct stub_device *sdev, int support_sg = 1; int np = 0; int ret, i; + int is_tweaked; if (pipe == -1) return; @@ -580,8 +590,11 @@ static void stub_recv_cmd_submit(struct stub_device *sdev, priv->urbs[i]->pipe = pipe; priv->urbs[i]->complete = stub_complete; - /* no need to submit an intercepted request, but harmless? */ - tweak_special_requests(priv->urbs[i]); + /* + * all URBs belong to a single PDU, so a global is_tweaked flag is + * enough + */ + is_tweaked = tweak_special_requests(priv->urbs[i]); masking_bogus_flags(priv->urbs[i]); } @@ -594,22 +607,32 @@ static void stub_recv_cmd_submit(struct stub_device *sdev, /* urb is now ready to submit */ for (i = 0; i < priv->num_urbs; i++) { - ret = usb_submit_urb(priv->urbs[i], GFP_KERNEL); + if (!is_tweaked) { + ret = usb_submit_urb(priv->urbs[i], GFP_KERNEL); - if (ret == 0) - usbip_dbg_stub_rx("submit urb ok, seqnum %u\n", - pdu->base.seqnum); - else { - dev_err(&udev->dev, "submit_urb error, %d\n", ret); - usbip_dump_header(pdu); - usbip_dump_urb(priv->urbs[i]); + if (ret == 0) + usbip_dbg_stub_rx("submit urb ok, seqnum %u\n", + pdu->base.seqnum); + else { + dev_err(&udev->dev, "submit_urb error, %d\n", ret); + usbip_dump_header(pdu); + usbip_dump_urb(priv->urbs[i]); + /* + * Pessimistic. + * This connection will be discarded. + */ + usbip_event_add(ud, SDEV_EVENT_ERROR_SUBMIT); + break; + } + } else { /* - * Pessimistic. - * This connection will be discarded. + * An identical URB was already submitted in + * tweak_special_requests(). Skip submitting this URB to not + * duplicate the request. */ - usbip_event_add(ud, SDEV_EVENT_ERROR_SUBMIT); - break; + priv->urbs[i]->status = 0; + stub_complete(priv->urbs[i]); } } From 7e64cabe81c303bdf6fd26b6a09a3289b33bc870 Mon Sep 17 00:00:00 2001 From: Abhishek Pandit-Subedi Date: Fri, 10 May 2024 20:12:41 +0000 Subject: [PATCH 536/702] usb: typec: ucsi: Fix null pointer dereference in trace [ Upstream commit 99516f76db48e1a9d54cdfed63c1babcee4e71a5 ] ucsi_register_altmode checks IS_ERR for the alt pointer and treats NULL as valid. When CONFIG_TYPEC_DP_ALTMODE is not enabled, ucsi_register_displayport returns NULL which causes a NULL pointer dereference in trace. Rather than return NULL, call typec_port_register_altmode to register DisplayPort alternate mode as a non-controllable mode when CONFIG_TYPEC_DP_ALTMODE is not enabled. Reviewed-by: Benson Leung Reviewed-by: Heikki Krogerus Signed-off-by: Abhishek Pandit-Subedi Signed-off-by: Jameson Thies Reviewed-by: Dmitry Baryshkov Link: https://lore.kernel.org/r/20240510201244.2968152-2-jthies@google.com Signed-off-by: Greg Kroah-Hartman Signed-off-by: Sasha Levin --- drivers/usb/typec/ucsi/ucsi.h | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/usb/typec/ucsi/ucsi.h b/drivers/usb/typec/ucsi/ucsi.h index 41e1a64da82e..f75b1e2c05fe 100644 --- a/drivers/usb/typec/ucsi/ucsi.h +++ b/drivers/usb/typec/ucsi/ucsi.h @@ -365,7 +365,7 @@ ucsi_register_displayport(struct ucsi_connector *con, bool override, int offset, struct typec_altmode_desc *desc) { - return NULL; + return typec_port_register_altmode(con->port, desc); } static inline void From 3f3ef1d9f66b93913ce2171120d9226b55acd41d Mon Sep 17 00:00:00 2001 From: Amir Goldstein Date: Sun, 12 May 2024 13:30:07 +0200 Subject: [PATCH 537/702] fsnotify: clear PARENT_WATCHED flags lazily [ Upstream commit 172e422ffea20a89bfdc672741c1aad6fbb5044e ] In some setups directories can have many (usually negative) dentries. Hence __fsnotify_update_child_dentry_flags() function can take a significant amount of time. Since the bulk of this function happens under inode->i_lock this causes a significant contention on the lock when we remove the watch from the directory as the __fsnotify_update_child_dentry_flags() call from fsnotify_recalc_mask() races with __fsnotify_update_child_dentry_flags() calls from __fsnotify_parent() happening on children. This can lead upto softlockup reports reported by users. Fix the problem by calling fsnotify_update_children_dentry_flags() to set PARENT_WATCHED flags only when parent starts watching children. When parent stops watching children, clear false positive PARENT_WATCHED flags lazily in __fsnotify_parent() for each accessed child. Suggested-by: Jan Kara Signed-off-by: Amir Goldstein Signed-off-by: Stephen Brennan Signed-off-by: Jan Kara Signed-off-by: Sasha Levin --- fs/notify/fsnotify.c | 31 +++++++++++++++++++++---------- fs/notify/fsnotify.h | 2 +- fs/notify/mark.c | 32 +++++++++++++++++++++++++++++--- include/linux/fsnotify_backend.h | 8 +++++--- 4 files changed, 56 insertions(+), 17 deletions(-) diff --git a/fs/notify/fsnotify.c b/fs/notify/fsnotify.c index 7974e91ffe13..b5d8f238fce4 100644 --- a/fs/notify/fsnotify.c +++ b/fs/notify/fsnotify.c @@ -103,17 +103,13 @@ void fsnotify_sb_delete(struct super_block *sb) * parent cares. Thus when an event happens on a child it can quickly tell * if there is a need to find a parent and send the event to the parent. */ -void __fsnotify_update_child_dentry_flags(struct inode *inode) +void fsnotify_set_children_dentry_flags(struct inode *inode) { struct dentry *alias; - int watched; if (!S_ISDIR(inode->i_mode)) return; - /* determine if the children should tell inode about their events */ - watched = fsnotify_inode_watches_children(inode); - spin_lock(&inode->i_lock); /* run all of the dentries associated with this inode. Since this is a * directory, there damn well better only be one item on this list */ @@ -129,10 +125,7 @@ void __fsnotify_update_child_dentry_flags(struct inode *inode) continue; spin_lock_nested(&child->d_lock, DENTRY_D_LOCK_NESTED); - if (watched) - child->d_flags |= DCACHE_FSNOTIFY_PARENT_WATCHED; - else - child->d_flags &= ~DCACHE_FSNOTIFY_PARENT_WATCHED; + child->d_flags |= DCACHE_FSNOTIFY_PARENT_WATCHED; spin_unlock(&child->d_lock); } spin_unlock(&alias->d_lock); @@ -140,6 +133,24 @@ void __fsnotify_update_child_dentry_flags(struct inode *inode) spin_unlock(&inode->i_lock); } +/* + * Lazily clear false positive PARENT_WATCHED flag for child whose parent had + * stopped watching children. + */ +static void fsnotify_clear_child_dentry_flag(struct inode *pinode, + struct dentry *dentry) +{ + spin_lock(&dentry->d_lock); + /* + * d_lock is a sufficient barrier to prevent observing a non-watched + * parent state from before the fsnotify_set_children_dentry_flags() + * or fsnotify_update_flags() call that had set PARENT_WATCHED. + */ + if (!fsnotify_inode_watches_children(pinode)) + dentry->d_flags &= ~DCACHE_FSNOTIFY_PARENT_WATCHED; + spin_unlock(&dentry->d_lock); +} + /* Are inode/sb/mount interested in parent and name info with this event? */ static bool fsnotify_event_needs_parent(struct inode *inode, struct mount *mnt, __u32 mask) @@ -208,7 +219,7 @@ int __fsnotify_parent(struct dentry *dentry, __u32 mask, const void *data, p_inode = parent->d_inode; p_mask = fsnotify_inode_watches_children(p_inode); if (unlikely(parent_watched && !p_mask)) - __fsnotify_update_child_dentry_flags(p_inode); + fsnotify_clear_child_dentry_flag(p_inode, dentry); /* * Include parent/name in notification either if some notification diff --git a/fs/notify/fsnotify.h b/fs/notify/fsnotify.h index fde74eb333cc..2b4267de86e6 100644 --- a/fs/notify/fsnotify.h +++ b/fs/notify/fsnotify.h @@ -74,7 +74,7 @@ static inline void fsnotify_clear_marks_by_sb(struct super_block *sb) * update the dentry->d_flags of all of inode's children to indicate if inode cares * about events that happen to its children. */ -extern void __fsnotify_update_child_dentry_flags(struct inode *inode); +extern void fsnotify_set_children_dentry_flags(struct inode *inode); extern struct kmem_cache *fsnotify_mark_connector_cachep; diff --git a/fs/notify/mark.c b/fs/notify/mark.c index c74ef947447d..4be6e883d492 100644 --- a/fs/notify/mark.c +++ b/fs/notify/mark.c @@ -176,6 +176,24 @@ static void *__fsnotify_recalc_mask(struct fsnotify_mark_connector *conn) return fsnotify_update_iref(conn, want_iref); } +static bool fsnotify_conn_watches_children( + struct fsnotify_mark_connector *conn) +{ + if (conn->type != FSNOTIFY_OBJ_TYPE_INODE) + return false; + + return fsnotify_inode_watches_children(fsnotify_conn_inode(conn)); +} + +static void fsnotify_conn_set_children_dentry_flags( + struct fsnotify_mark_connector *conn) +{ + if (conn->type != FSNOTIFY_OBJ_TYPE_INODE) + return; + + fsnotify_set_children_dentry_flags(fsnotify_conn_inode(conn)); +} + /* * Calculate mask of events for a list of marks. The caller must make sure * connector and connector->obj cannot disappear under us. Callers achieve @@ -184,15 +202,23 @@ static void *__fsnotify_recalc_mask(struct fsnotify_mark_connector *conn) */ void fsnotify_recalc_mask(struct fsnotify_mark_connector *conn) { + bool update_children; + if (!conn) return; spin_lock(&conn->lock); + update_children = !fsnotify_conn_watches_children(conn); __fsnotify_recalc_mask(conn); + update_children &= fsnotify_conn_watches_children(conn); spin_unlock(&conn->lock); - if (conn->type == FSNOTIFY_OBJ_TYPE_INODE) - __fsnotify_update_child_dentry_flags( - fsnotify_conn_inode(conn)); + /* + * Set children's PARENT_WATCHED flags only if parent started watching. + * When parent stops watching, we clear false positive PARENT_WATCHED + * flags lazily in __fsnotify_parent(). + */ + if (update_children) + fsnotify_conn_set_children_dentry_flags(conn); } /* Free all connectors queued for freeing once SRCU period ends */ diff --git a/include/linux/fsnotify_backend.h b/include/linux/fsnotify_backend.h index d7d96c806bff..096b79e4373f 100644 --- a/include/linux/fsnotify_backend.h +++ b/include/linux/fsnotify_backend.h @@ -563,12 +563,14 @@ static inline __u32 fsnotify_parent_needed_mask(__u32 mask) static inline int fsnotify_inode_watches_children(struct inode *inode) { + __u32 parent_mask = READ_ONCE(inode->i_fsnotify_mask); + /* FS_EVENT_ON_CHILD is set if the inode may care */ - if (!(inode->i_fsnotify_mask & FS_EVENT_ON_CHILD)) + if (!(parent_mask & FS_EVENT_ON_CHILD)) return 0; /* this inode might care about child events, does it care about the * specific set of events that can happen on a child? */ - return inode->i_fsnotify_mask & FS_EVENTS_POSS_ON_CHILD; + return parent_mask & FS_EVENTS_POSS_ON_CHILD; } /* @@ -582,7 +584,7 @@ static inline void fsnotify_update_flags(struct dentry *dentry) /* * Serialisation of setting PARENT_WATCHED on the dentries is provided * by d_lock. If inotify_inode_watched changes after we have taken - * d_lock, the following __fsnotify_update_child_dentry_flags call will + * d_lock, the following fsnotify_set_children_dentry_flags call will * find our entry, so it will spin until we complete here, and update * us with the new state. */ From a948ec993541db4ef392b555c37a1186f4d61670 Mon Sep 17 00:00:00 2001 From: Casey Schaufler Date: Wed, 5 Jun 2024 15:41:50 -0700 Subject: [PATCH 538/702] smack: tcp: ipv4, fix incorrect labeling [ Upstream commit 2fe209d0ad2e2729f7e22b9b31a86cc3ff0db550 ] Currently, Smack mirrors the label of incoming tcp/ipv4 connections: when a label 'foo' connects to a label 'bar' with tcp/ipv4, 'foo' always gets 'foo' in returned ipv4 packets. So, 1) returned packets are incorrectly labeled ('foo' instead of 'bar') 2) 'bar' can write to 'foo' without being authorized to write. Here is a scenario how to see this: * Take two machines, let's call them C and S, with active Smack in the default state (no settings, no rules, no labeled hosts, only builtin labels) * At S, add Smack rule 'foo bar w' (labels 'foo' and 'bar' are instantiated at S at this moment) * At S, at label 'bar', launch a program that listens for incoming tcp/ipv4 connections * From C, at label 'foo', connect to the listener at S. (label 'foo' is instantiated at C at this moment) Connection succeedes and works. * Send some data in both directions. * Collect network traffic of this connection. All packets in both directions are labeled with the CIPSO of the label 'foo'. Hence, label 'bar' writes to 'foo' without being authorized, and even without ever being known at C. If anybody cares: exactly the same happens with DCCP. This behavior 1st manifested in release 2.6.29.4 (see Fixes below) and it looks unintentional. At least, no explanation was provided. I changed returned packes label into the 'bar', to bring it into line with the Smack documentation claims. Signed-off-by: Konstantin Andreev Signed-off-by: Casey Schaufler Signed-off-by: Sasha Levin --- security/smack/smack_lsm.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/security/smack/smack_lsm.c b/security/smack/smack_lsm.c index 8c790563b33a..88bcda1f07bf 100644 --- a/security/smack/smack_lsm.c +++ b/security/smack/smack_lsm.c @@ -4228,7 +4228,7 @@ static int smack_inet_conn_request(struct sock *sk, struct sk_buff *skb, rcu_read_unlock(); if (hskp == NULL) - rc = netlbl_req_setattr(req, &skp->smk_netlabel); + rc = netlbl_req_setattr(req, &ssp->smk_out->smk_netlabel); else netlbl_req_delattr(req); From d24bc270b7db51a534816c73249e57838c6c6d77 Mon Sep 17 00:00:00 2001 From: Haoran Liu Date: Wed, 29 Nov 2023 03:34:05 -0800 Subject: [PATCH 539/702] drm/meson: plane: Add error handling [ Upstream commit 3c28b239620e249b68beeca17f429e317fa6b8d4 ] This patch adds robust error handling to the meson_plane_create function in drivers/gpu/drm/meson/meson_plane.c. The function previously lacked proper handling for potential failure scenarios of the drm_universal_plane_init call. Signed-off-by: Haoran Liu Reviewed-by: Neil Armstrong Link: https://lore.kernel.org/r/20231129113405.33057-1-liuhaoran14@163.com [narmstrong: fixe the commit subject] Signed-off-by: Neil Armstrong Link: https://patchwork.freedesktop.org/patch/msgid/20231129113405.33057-1-liuhaoran14@163.com Signed-off-by: Sasha Levin --- drivers/gpu/drm/meson/meson_plane.c | 17 +++++++++++------ 1 file changed, 11 insertions(+), 6 deletions(-) diff --git a/drivers/gpu/drm/meson/meson_plane.c b/drivers/gpu/drm/meson/meson_plane.c index 255c6b863f8d..6d54c565b34f 100644 --- a/drivers/gpu/drm/meson/meson_plane.c +++ b/drivers/gpu/drm/meson/meson_plane.c @@ -529,6 +529,7 @@ int meson_plane_create(struct meson_drm *priv) struct meson_plane *meson_plane; struct drm_plane *plane; const uint64_t *format_modifiers = format_modifiers_default; + int ret; meson_plane = devm_kzalloc(priv->drm->dev, sizeof(*meson_plane), GFP_KERNEL); @@ -543,12 +544,16 @@ int meson_plane_create(struct meson_drm *priv) else if (meson_vpu_is_compatible(priv, VPU_COMPATIBLE_G12A)) format_modifiers = format_modifiers_afbc_g12a; - drm_universal_plane_init(priv->drm, plane, 0xFF, - &meson_plane_funcs, - supported_drm_formats, - ARRAY_SIZE(supported_drm_formats), - format_modifiers, - DRM_PLANE_TYPE_PRIMARY, "meson_primary_plane"); + ret = drm_universal_plane_init(priv->drm, plane, 0xFF, + &meson_plane_funcs, + supported_drm_formats, + ARRAY_SIZE(supported_drm_formats), + format_modifiers, + DRM_PLANE_TYPE_PRIMARY, "meson_primary_plane"); + if (ret) { + devm_kfree(priv->drm->dev, meson_plane); + return ret; + } drm_plane_helper_add(plane, &meson_plane_helper_funcs); From 0305a885cceaa07ef4cac7c51aac70528986a542 Mon Sep 17 00:00:00 2001 From: Johannes Berg Date: Fri, 7 Jun 2024 20:17:17 +0200 Subject: [PATCH 540/702] wifi: cfg80211: make hash table duplicates more survivable [ Upstream commit 7f12e26a194d0043441f870708093d9c2c3bad7d ] Jiazi Li reported that they occasionally see hash table duplicates as evidenced by the WARN_ON() in rb_insert_bss() in this code. It isn't clear how that happens, nor have I been able to reproduce it, but if it does happen, the kernel crashes later, when it tries to unhash the entry that's now not hashed. Try to make this situation more survivable by removing the BSS from the list(s) as well, that way it's fully leaked here (as had been the intent in the hash insert error path), and no longer reachable through the list(s) so it shouldn't be unhashed again later. Link: https://lore.kernel.org/r/20231026013528.GA24122@Jiazi.Li Signed-off-by: Johannes Berg Link: https://msgid.link/20240607181726.36835-2-johannes@sipsolutions.net Signed-off-by: Johannes Berg Signed-off-by: Sasha Levin --- net/wireless/scan.c | 46 +++++++++++++++++++++++++++++++++------------ 1 file changed, 34 insertions(+), 12 deletions(-) diff --git a/net/wireless/scan.c b/net/wireless/scan.c index 76a27b6d45d2..e8a9ce039295 100644 --- a/net/wireless/scan.c +++ b/net/wireless/scan.c @@ -1510,7 +1510,7 @@ struct cfg80211_bss *cfg80211_get_bss(struct wiphy *wiphy, } EXPORT_SYMBOL(cfg80211_get_bss); -static void rb_insert_bss(struct cfg80211_registered_device *rdev, +static bool rb_insert_bss(struct cfg80211_registered_device *rdev, struct cfg80211_internal_bss *bss) { struct rb_node **p = &rdev->bss_tree.rb_node; @@ -1526,7 +1526,7 @@ static void rb_insert_bss(struct cfg80211_registered_device *rdev, if (WARN_ON(!cmp)) { /* will sort of leak this BSS */ - return; + return false; } if (cmp < 0) @@ -1537,6 +1537,7 @@ static void rb_insert_bss(struct cfg80211_registered_device *rdev, rb_link_node(&bss->rbn, parent, p); rb_insert_color(&bss->rbn, &rdev->bss_tree); + return true; } static struct cfg80211_internal_bss * @@ -1563,6 +1564,34 @@ rb_find_bss(struct cfg80211_registered_device *rdev, return NULL; } +static void cfg80211_insert_bss(struct cfg80211_registered_device *rdev, + struct cfg80211_internal_bss *bss) +{ + lockdep_assert_held(&rdev->bss_lock); + + if (!rb_insert_bss(rdev, bss)) + return; + list_add_tail(&bss->list, &rdev->bss_list); + rdev->bss_entries++; +} + +static void cfg80211_rehash_bss(struct cfg80211_registered_device *rdev, + struct cfg80211_internal_bss *bss) +{ + lockdep_assert_held(&rdev->bss_lock); + + rb_erase(&bss->rbn, &rdev->bss_tree); + if (!rb_insert_bss(rdev, bss)) { + list_del(&bss->list); + if (!list_empty(&bss->hidden_list)) + list_del_init(&bss->hidden_list); + if (!list_empty(&bss->pub.nontrans_list)) + list_del_init(&bss->pub.nontrans_list); + rdev->bss_entries--; + } + rdev->bss_generation++; +} + static bool cfg80211_combine_bsses(struct cfg80211_registered_device *rdev, struct cfg80211_internal_bss *new) { @@ -1838,9 +1867,7 @@ cfg80211_bss_update(struct cfg80211_registered_device *rdev, bss_ref_get(rdev, pbss); } - list_add_tail(&new->list, &rdev->bss_list); - rdev->bss_entries++; - rb_insert_bss(rdev, new); + cfg80211_insert_bss(rdev, new); found = new; } @@ -2702,10 +2729,7 @@ void cfg80211_update_assoc_bss_entry(struct wireless_dev *wdev, if (!WARN_ON(!__cfg80211_unlink_bss(rdev, new))) rdev->bss_generation++; } - - rb_erase(&cbss->rbn, &rdev->bss_tree); - rb_insert_bss(rdev, cbss); - rdev->bss_generation++; + cfg80211_rehash_bss(rdev, cbss); list_for_each_entry_safe(nontrans_bss, tmp, &cbss->pub.nontrans_list, @@ -2713,9 +2737,7 @@ void cfg80211_update_assoc_bss_entry(struct wireless_dev *wdev, bss = container_of(nontrans_bss, struct cfg80211_internal_bss, pub); bss->pub.channel = chan; - rb_erase(&bss->rbn, &rdev->bss_tree); - rb_insert_bss(rdev, bss); - rdev->bss_generation++; + cfg80211_rehash_bss(rdev, bss); } done: From 5eb04f989484d6eca7b6c420348c472b55c34e80 Mon Sep 17 00:00:00 2001 From: Christoph Hellwig Date: Thu, 13 Jun 2024 10:48:16 +0200 Subject: [PATCH 541/702] block: remove the blk_flush_integrity call in blk_integrity_unregister [ Upstream commit e8bc14d116aeac8f0f133ec8d249acf4e0658da7 ] Now that there are no indirect calls for PI processing there is no way to dereference a NULL pointer here. Additionally drivers now always freeze the queue (or in case of stacking drivers use their internal equivalent) around changing the integrity profile. This is effectively a revert of commit 3df49967f6f1 ("block: flush the integrity workqueue in blk_integrity_unregister"). Signed-off-by: Christoph Hellwig Reviewed-by: Martin K. Petersen Reviewed-by: Hannes Reinecke Link: https://lore.kernel.org/r/20240613084839.1044015-7-hch@lst.de Signed-off-by: Jens Axboe Signed-off-by: Sasha Levin --- block/blk-integrity.c | 2 -- 1 file changed, 2 deletions(-) diff --git a/block/blk-integrity.c b/block/blk-integrity.c index 9e83159f5a52..2bcf3760538c 100644 --- a/block/blk-integrity.c +++ b/block/blk-integrity.c @@ -431,8 +431,6 @@ void blk_integrity_unregister(struct gendisk *disk) if (!bi->profile) return; - /* ensure all bios are off the integrity workqueue */ - blk_flush_integrity(); blk_queue_flag_clear(QUEUE_FLAG_STABLE_WRITES, disk->queue); memset(bi, 0, sizeof(*bi)); } From c083c8be6bdd046049884bec076660d4ec9a19ca Mon Sep 17 00:00:00 2001 From: Alex Hung Date: Mon, 3 Jun 2024 10:47:37 -0600 Subject: [PATCH 542/702] drm/amd/display: Skip wbscl_set_scaler_filter if filter is null [ Upstream commit c4d31653c03b90e51515b1380115d1aedad925dd ] Callers can pass null in filter (i.e. from returned from the function wbscl_get_filter_coeffs_16p) and a null check is added to ensure that is not the case. This fixes 4 NULL_RETURNS issues reported by Coverity. Reviewed-by: Harry Wentland Acked-by: Hamza Mahfooz Signed-off-by: Alex Hung Signed-off-by: Alex Deucher Signed-off-by: Sasha Levin --- drivers/gpu/drm/amd/display/dc/dcn20/dcn20_dwb_scl.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/drivers/gpu/drm/amd/display/dc/dcn20/dcn20_dwb_scl.c b/drivers/gpu/drm/amd/display/dc/dcn20/dcn20_dwb_scl.c index 880954ac0b02..1b3cba5b1d74 100644 --- a/drivers/gpu/drm/amd/display/dc/dcn20/dcn20_dwb_scl.c +++ b/drivers/gpu/drm/amd/display/dc/dcn20/dcn20_dwb_scl.c @@ -690,6 +690,9 @@ static void wbscl_set_scaler_filter( int pair; uint16_t odd_coef, even_coef; + if (!filter) + return; + for (phase = 0; phase < (NUM_PHASES / 2 + 1); phase++) { for (pair = 0; pair < tap_pairs; pair++) { even_coef = filter[phase * taps + 2 * pair]; From 0623c9f37118a1222e5e164fc2bcabac9624ad90 Mon Sep 17 00:00:00 2001 From: Ricardo Ribalda Date: Thu, 4 Apr 2024 17:56:18 +0000 Subject: [PATCH 543/702] media: uvcvideo: Enforce alignment of frame and interval [ Upstream commit c8931ef55bd325052ec496f242aea7f6de47dc9c ] Struct uvc_frame and interval (u32*) are packaged together on streaming->formats on a single contiguous allocation. Right now they are allocated right after uvc_format, without taking into consideration their required alignment. This is working fine because both structures have a field with a pointer, but it will stop working when the sizeof() of any of those structs is not a multiple of the sizeof(void*). Enforce that alignment during the allocation. Signed-off-by: Ricardo Ribalda Reviewed-by: Laurent Pinchart Link: https://lore.kernel.org/r/20240404-uvc-align-v2-1-9e104b0ecfbd@chromium.org Signed-off-by: Laurent Pinchart Signed-off-by: Sasha Levin --- drivers/media/usb/uvc/uvc_driver.c | 18 ++++++++++++++---- 1 file changed, 14 insertions(+), 4 deletions(-) diff --git a/drivers/media/usb/uvc/uvc_driver.c b/drivers/media/usb/uvc/uvc_driver.c index 6334f99f1854..cfbc7595cd0b 100644 --- a/drivers/media/usb/uvc/uvc_driver.c +++ b/drivers/media/usb/uvc/uvc_driver.c @@ -948,16 +948,26 @@ static int uvc_parse_streaming(struct uvc_device *dev, goto error; } - size = nformats * sizeof(*format) + nframes * sizeof(*frame) + /* + * Allocate memory for the formats, the frames and the intervals, + * plus any required padding to guarantee that everything has the + * correct alignment. + */ + size = nformats * sizeof(*format); + size = ALIGN(size, __alignof__(*frame)) + nframes * sizeof(*frame); + size = ALIGN(size, __alignof__(*interval)) + nintervals * sizeof(*interval); + format = kzalloc(size, GFP_KERNEL); - if (format == NULL) { + if (!format) { ret = -ENOMEM; goto error; } - frame = (struct uvc_frame *)&format[nformats]; - interval = (u32 *)&frame[nframes]; + frame = (void *)format + nformats * sizeof(*format); + frame = PTR_ALIGN(frame, __alignof__(*frame)); + interval = (void *)frame + nframes * sizeof(*frame); + interval = PTR_ALIGN(interval, __alignof__(*interval)); streaming->format = format; streaming->nformats = nformats; From 3fd11fe4f20756b4c0847f755a64cd96f8c6a005 Mon Sep 17 00:00:00 2001 From: Christoph Hellwig Date: Thu, 13 Jun 2024 10:48:11 +0200 Subject: [PATCH 544/702] block: initialize integrity buffer to zero before writing it to media commit 899ee2c3829c5ac14bfc7d3c4a5846c0b709b78f upstream. Metadata added by bio_integrity_prep is using plain kmalloc, which leads to random kernel memory being written media. For PI metadata this is limited to the app tag that isn't used by kernel generated metadata, but for non-PI metadata the entire buffer leaks kernel memory. Fix this by adding the __GFP_ZERO flag to allocations for writes. Fixes: 7ba1ba12eeef ("block: Block layer data integrity support") Signed-off-by: Christoph Hellwig Reviewed-by: Martin K. Petersen Reviewed-by: Kanchan Joshi Reviewed-by: Chaitanya Kulkarni Link: https://lore.kernel.org/r/20240613084839.1044015-2-hch@lst.de Signed-off-by: Jens Axboe Signed-off-by: Shivani Agarwal Signed-off-by: Greg Kroah-Hartman --- block/bio-integrity.c | 11 ++++++++++- 1 file changed, 10 insertions(+), 1 deletion(-) diff --git a/block/bio-integrity.c b/block/bio-integrity.c index a4cfc97275df..a5fd04db5ae8 100644 --- a/block/bio-integrity.c +++ b/block/bio-integrity.c @@ -216,6 +216,7 @@ bool bio_integrity_prep(struct bio *bio) unsigned int bytes, offset, i; unsigned int intervals; blk_status_t status; + gfp_t gfp = GFP_NOIO; if (!bi) return true; @@ -238,12 +239,20 @@ bool bio_integrity_prep(struct bio *bio) if (!bi->profile->generate_fn || !(bi->flags & BLK_INTEGRITY_GENERATE)) return true; + + /* + * Zero the memory allocated to not leak uninitialized kernel + * memory to disk. For PI this only affects the app tag, but + * for non-integrity metadata it affects the entire metadata + * buffer. + */ + gfp |= __GFP_ZERO; } intervals = bio_integrity_intervals(bi, bio_sectors(bio)); /* Allocate kernel buffer for protection data */ len = intervals * bi->tuple_size; - buf = kmalloc(len, GFP_NOIO | q->bounce_gfp); + buf = kmalloc(len, gfp | q->bounce_gfp); status = BLK_STS_RESOURCE; if (unlikely(buf == NULL)) { printk(KERN_ERR "could not allocate integrity buffer\n"); From 2ac9deb7e087f0b461c3559d9eaa6b9cf19d3fa8 Mon Sep 17 00:00:00 2001 From: Bob Zhou Date: Fri, 31 May 2024 15:01:22 +0800 Subject: [PATCH 545/702] drm/amd/pm: Fix the null pointer dereference for vega10_hwmgr commit 50151b7f1c79a09117837eb95b76c2de76841dab upstream. Check return value and conduct null pointer handling to avoid null pointer dereference. Signed-off-by: Bob Zhou Reviewed-by: Tim Huang Signed-off-by: Alex Deucher Signed-off-by: Sasha Levin Signed-off-by: Mukul Sikka Signed-off-by: Greg Kroah-Hartman --- .../drm/amd/pm/powerplay/hwmgr/vega10_hwmgr.c | 30 ++++++++++++++++--- 1 file changed, 26 insertions(+), 4 deletions(-) diff --git a/drivers/gpu/drm/amd/pm/powerplay/hwmgr/vega10_hwmgr.c b/drivers/gpu/drm/amd/pm/powerplay/hwmgr/vega10_hwmgr.c index 1b1603101d7d..79a41180adf1 100644 --- a/drivers/gpu/drm/amd/pm/powerplay/hwmgr/vega10_hwmgr.c +++ b/drivers/gpu/drm/amd/pm/powerplay/hwmgr/vega10_hwmgr.c @@ -3410,13 +3410,17 @@ static int vega10_find_dpm_states_clocks_in_dpm_table(struct pp_hwmgr *hwmgr, co const struct vega10_power_state *vega10_ps = cast_const_phw_vega10_power_state(states->pnew_state); struct vega10_single_dpm_table *sclk_table = &(data->dpm_table.gfx_table); - uint32_t sclk = vega10_ps->performance_levels - [vega10_ps->performance_level_count - 1].gfx_clock; struct vega10_single_dpm_table *mclk_table = &(data->dpm_table.mem_table); - uint32_t mclk = vega10_ps->performance_levels - [vega10_ps->performance_level_count - 1].mem_clock; + uint32_t sclk, mclk; uint32_t i; + if (vega10_ps == NULL) + return -EINVAL; + sclk = vega10_ps->performance_levels + [vega10_ps->performance_level_count - 1].gfx_clock; + mclk = vega10_ps->performance_levels + [vega10_ps->performance_level_count - 1].mem_clock; + for (i = 0; i < sclk_table->count; i++) { if (sclk == sclk_table->dpm_levels[i].value) break; @@ -3723,6 +3727,9 @@ static int vega10_generate_dpm_level_enable_mask( cast_const_phw_vega10_power_state(states->pnew_state); int i; + if (vega10_ps == NULL) + return -EINVAL; + PP_ASSERT_WITH_CODE(!vega10_trim_dpm_states(hwmgr, vega10_ps), "Attempt to Trim DPM States Failed!", return -1); @@ -4858,6 +4865,9 @@ static int vega10_check_states_equal(struct pp_hwmgr *hwmgr, psa = cast_const_phw_vega10_power_state(pstate1); psb = cast_const_phw_vega10_power_state(pstate2); + if (psa == NULL || psb == NULL) + return -EINVAL; + /* If the two states don't even have the same number of performance levels they cannot be the same state. */ if (psa->performance_level_count != psb->performance_level_count) { *equal = false; @@ -4983,6 +4993,8 @@ static int vega10_set_sclk_od(struct pp_hwmgr *hwmgr, uint32_t value) return -EINVAL; vega10_ps = cast_phw_vega10_power_state(&ps->hardware); + if (vega10_ps == NULL) + return -EINVAL; vega10_ps->performance_levels [vega10_ps->performance_level_count - 1].gfx_clock = @@ -5034,6 +5046,8 @@ static int vega10_set_mclk_od(struct pp_hwmgr *hwmgr, uint32_t value) return -EINVAL; vega10_ps = cast_phw_vega10_power_state(&ps->hardware); + if (vega10_ps == NULL) + return -EINVAL; vega10_ps->performance_levels [vega10_ps->performance_level_count - 1].mem_clock = @@ -5269,6 +5283,9 @@ static void vega10_odn_update_power_state(struct pp_hwmgr *hwmgr) return; vega10_ps = cast_phw_vega10_power_state(&ps->hardware); + if (vega10_ps == NULL) + return; + max_level = vega10_ps->performance_level_count - 1; if (vega10_ps->performance_levels[max_level].gfx_clock != @@ -5291,6 +5308,9 @@ static void vega10_odn_update_power_state(struct pp_hwmgr *hwmgr) ps = (struct pp_power_state *)((unsigned long)(hwmgr->ps) + hwmgr->ps_size * (hwmgr->num_ps - 1)); vega10_ps = cast_phw_vega10_power_state(&ps->hardware); + if (vega10_ps == NULL) + return; + max_level = vega10_ps->performance_level_count - 1; if (vega10_ps->performance_levels[max_level].gfx_clock != @@ -5481,6 +5501,8 @@ static int vega10_get_performance_level(struct pp_hwmgr *hwmgr, const struct pp_ return -EINVAL; ps = cast_const_phw_vega10_power_state(state); + if (ps == NULL) + return -EINVAL; i = index > ps->performance_level_count - 1 ? ps->performance_level_count - 1 : index; From cf002be3b8d903c8ffcb1067e3add0fd23f32061 Mon Sep 17 00:00:00 2001 From: Connor O'Brien Date: Tue, 3 Sep 2024 18:28:50 -0700 Subject: [PATCH 546/702] bpf, cgroups: Fix cgroup v2 fallback on v1/v2 mixed mode From: Daniel Borkmann commit 8520e224f547cd070c7c8f97b1fc6d58cff7ccaa upstream. Fix cgroup v1 interference when non-root cgroup v2 BPF programs are used. Back in the days, commit bd1060a1d671 ("sock, cgroup: add sock->sk_cgroup") embedded per-socket cgroup information into sock->sk_cgrp_data and in order to save 8 bytes in struct sock made both mutually exclusive, that is, when cgroup v1 socket tagging (e.g. net_cls/net_prio) is used, then cgroup v2 falls back to the root cgroup in sock_cgroup_ptr() (&cgrp_dfl_root.cgrp). The assumption made was "there is no reason to mix the two and this is in line with how legacy and v2 compatibility is handled" as stated in bd1060a1d671. However, with Kubernetes more widely supporting cgroups v2 as well nowadays, this assumption no longer holds, and the possibility of the v1/v2 mixed mode with the v2 root fallback being hit becomes a real security issue. Many of the cgroup v2 BPF programs are also used for policy enforcement, just to pick _one_ example, that is, to programmatically deny socket related system calls like connect(2) or bind(2). A v2 root fallback would implicitly cause a policy bypass for the affected Pods. In production environments, we have recently seen this case due to various circumstances: i) a different 3rd party agent and/or ii) a container runtime such as [0] in the user's environment configuring legacy cgroup v1 net_cls tags, which triggered implicitly mentioned root fallback. Another case is Kubernetes projects like kind [1] which create Kubernetes nodes in a container and also add cgroup namespaces to the mix, meaning programs which are attached to the cgroup v2 root of the cgroup namespace get attached to a non-root cgroup v2 path from init namespace point of view. And the latter's root is out of reach for agents on a kind Kubernetes node to configure. Meaning, any entity on the node setting cgroup v1 net_cls tag will trigger the bypass despite cgroup v2 BPF programs attached to the namespace root. Generally, this mutual exclusiveness does not hold anymore in today's user environments and makes cgroup v2 usage from BPF side fragile and unreliable. This fix adds proper struct cgroup pointer for the cgroup v2 case to struct sock_cgroup_data in order to address these issues; this implicitly also fixes the tradeoffs being made back then with regards to races and refcount leaks as stated in bd1060a1d671, and removes the fallback, so that cgroup v2 BPF programs always operate as expected. [0] https://github.com/nestybox/sysbox/ [1] https://kind.sigs.k8s.io/ Fixes: bd1060a1d671 ("sock, cgroup: add sock->sk_cgroup") Signed-off-by: Daniel Borkmann Signed-off-by: Alexei Starovoitov Acked-by: Stanislav Fomichev Acked-by: Tejun Heo Link: https://lore.kernel.org/bpf/20210913230759.2313-1-daniel@iogearbox.net [resolve trivial conflicts] Signed-off-by: Connor O'Brien Signed-off-by: Greg Kroah-Hartman --- include/linux/cgroup-defs.h | 107 +++++++++-------------------------- include/linux/cgroup.h | 22 +------ kernel/cgroup/cgroup.c | 50 ++++------------ net/core/netclassid_cgroup.c | 7 +-- net/core/netprio_cgroup.c | 10 +--- 5 files changed, 41 insertions(+), 155 deletions(-) diff --git a/include/linux/cgroup-defs.h b/include/linux/cgroup-defs.h index c9fafca1c30c..6c6323a01d43 100644 --- a/include/linux/cgroup-defs.h +++ b/include/linux/cgroup-defs.h @@ -764,107 +764,54 @@ static inline void cgroup_threadgroup_change_end(struct task_struct *tsk) {} * sock_cgroup_data is embedded at sock->sk_cgrp_data and contains * per-socket cgroup information except for memcg association. * - * On legacy hierarchies, net_prio and net_cls controllers directly set - * attributes on each sock which can then be tested by the network layer. - * On the default hierarchy, each sock is associated with the cgroup it was - * created in and the networking layer can match the cgroup directly. - * - * To avoid carrying all three cgroup related fields separately in sock, - * sock_cgroup_data overloads (prioidx, classid) and the cgroup pointer. - * On boot, sock_cgroup_data records the cgroup that the sock was created - * in so that cgroup2 matches can be made; however, once either net_prio or - * net_cls starts being used, the area is overriden to carry prioidx and/or - * classid. The two modes are distinguished by whether the lowest bit is - * set. Clear bit indicates cgroup pointer while set bit prioidx and - * classid. - * - * While userland may start using net_prio or net_cls at any time, once - * either is used, cgroup2 matching no longer works. There is no reason to - * mix the two and this is in line with how legacy and v2 compatibility is - * handled. On mode switch, cgroup references which are already being - * pointed to by socks may be leaked. While this can be remedied by adding - * synchronization around sock_cgroup_data, given that the number of leaked - * cgroups is bound and highly unlikely to be high, this seems to be the - * better trade-off. + * On legacy hierarchies, net_prio and net_cls controllers directly + * set attributes on each sock which can then be tested by the network + * layer. On the default hierarchy, each sock is associated with the + * cgroup it was created in and the networking layer can match the + * cgroup directly. */ struct sock_cgroup_data { - union { -#ifdef __LITTLE_ENDIAN - struct { - u8 is_data : 1; - u8 no_refcnt : 1; - u8 unused : 6; - u8 padding; - u16 prioidx; - u32 classid; - } __packed; -#else - struct { - u32 classid; - u16 prioidx; - u8 padding; - u8 unused : 6; - u8 no_refcnt : 1; - u8 is_data : 1; - } __packed; + struct cgroup *cgroup; /* v2 */ +#ifdef CONFIG_CGROUP_NET_CLASSID + u32 classid; /* v1 */ +#endif +#ifdef CONFIG_CGROUP_NET_PRIO + u16 prioidx; /* v1 */ #endif - u64 val; - }; }; -/* - * There's a theoretical window where the following accessors race with - * updaters and return part of the previous pointer as the prioidx or - * classid. Such races are short-lived and the result isn't critical. - */ static inline u16 sock_cgroup_prioidx(const struct sock_cgroup_data *skcd) { - /* fallback to 1 which is always the ID of the root cgroup */ - return (skcd->is_data & 1) ? skcd->prioidx : 1; +#ifdef CONFIG_CGROUP_NET_PRIO + return READ_ONCE(skcd->prioidx); +#else + return 1; +#endif } static inline u32 sock_cgroup_classid(const struct sock_cgroup_data *skcd) { - /* fallback to 0 which is the unconfigured default classid */ - return (skcd->is_data & 1) ? skcd->classid : 0; +#ifdef CONFIG_CGROUP_NET_CLASSID + return READ_ONCE(skcd->classid); +#else + return 0; +#endif } -/* - * If invoked concurrently, the updaters may clobber each other. The - * caller is responsible for synchronization. - */ static inline void sock_cgroup_set_prioidx(struct sock_cgroup_data *skcd, u16 prioidx) { - struct sock_cgroup_data skcd_buf = {{ .val = READ_ONCE(skcd->val) }}; - - if (sock_cgroup_prioidx(&skcd_buf) == prioidx) - return; - - if (!(skcd_buf.is_data & 1)) { - skcd_buf.val = 0; - skcd_buf.is_data = 1; - } - - skcd_buf.prioidx = prioidx; - WRITE_ONCE(skcd->val, skcd_buf.val); /* see sock_cgroup_ptr() */ +#ifdef CONFIG_CGROUP_NET_PRIO + WRITE_ONCE(skcd->prioidx, prioidx); +#endif } static inline void sock_cgroup_set_classid(struct sock_cgroup_data *skcd, u32 classid) { - struct sock_cgroup_data skcd_buf = {{ .val = READ_ONCE(skcd->val) }}; - - if (sock_cgroup_classid(&skcd_buf) == classid) - return; - - if (!(skcd_buf.is_data & 1)) { - skcd_buf.val = 0; - skcd_buf.is_data = 1; - } - - skcd_buf.classid = classid; - WRITE_ONCE(skcd->val, skcd_buf.val); /* see sock_cgroup_ptr() */ +#ifdef CONFIG_CGROUP_NET_CLASSID + WRITE_ONCE(skcd->classid, classid); +#endif } #else /* CONFIG_SOCK_CGROUP_DATA */ diff --git a/include/linux/cgroup.h b/include/linux/cgroup.h index c9c430712d47..15c27a2c98e2 100644 --- a/include/linux/cgroup.h +++ b/include/linux/cgroup.h @@ -816,33 +816,13 @@ static inline void cgroup_account_cputime_field(struct task_struct *task, */ #ifdef CONFIG_SOCK_CGROUP_DATA -#if defined(CONFIG_CGROUP_NET_PRIO) || defined(CONFIG_CGROUP_NET_CLASSID) -extern spinlock_t cgroup_sk_update_lock; -#endif - -void cgroup_sk_alloc_disable(void); void cgroup_sk_alloc(struct sock_cgroup_data *skcd); void cgroup_sk_clone(struct sock_cgroup_data *skcd); void cgroup_sk_free(struct sock_cgroup_data *skcd); static inline struct cgroup *sock_cgroup_ptr(struct sock_cgroup_data *skcd) { -#if defined(CONFIG_CGROUP_NET_PRIO) || defined(CONFIG_CGROUP_NET_CLASSID) - unsigned long v; - - /* - * @skcd->val is 64bit but the following is safe on 32bit too as we - * just need the lower ulong to be written and read atomically. - */ - v = READ_ONCE(skcd->val); - - if (v & 3) - return &cgrp_dfl_root.cgrp; - - return (struct cgroup *)(unsigned long)v ?: &cgrp_dfl_root.cgrp; -#else - return (struct cgroup *)(unsigned long)skcd->val; -#endif + return skcd->cgroup; } #else /* CONFIG_CGROUP_DATA */ diff --git a/kernel/cgroup/cgroup.c b/kernel/cgroup/cgroup.c index 11400eba6124..3ec531ef50d8 100644 --- a/kernel/cgroup/cgroup.c +++ b/kernel/cgroup/cgroup.c @@ -6557,74 +6557,44 @@ int cgroup_parse_float(const char *input, unsigned dec_shift, s64 *v) */ #ifdef CONFIG_SOCK_CGROUP_DATA -#if defined(CONFIG_CGROUP_NET_PRIO) || defined(CONFIG_CGROUP_NET_CLASSID) - -DEFINE_SPINLOCK(cgroup_sk_update_lock); -static bool cgroup_sk_alloc_disabled __read_mostly; - -void cgroup_sk_alloc_disable(void) -{ - if (cgroup_sk_alloc_disabled) - return; - pr_info("cgroup: disabling cgroup2 socket matching due to net_prio or net_cls activation\n"); - cgroup_sk_alloc_disabled = true; -} - -#else - -#define cgroup_sk_alloc_disabled false - -#endif - void cgroup_sk_alloc(struct sock_cgroup_data *skcd) { - if (cgroup_sk_alloc_disabled) { - skcd->no_refcnt = 1; - return; - } - /* Don't associate the sock with unrelated interrupted task's cgroup. */ if (in_interrupt()) return; rcu_read_lock(); - while (true) { struct css_set *cset; cset = task_css_set(current); if (likely(cgroup_tryget(cset->dfl_cgrp))) { - skcd->val = (unsigned long)cset->dfl_cgrp; + skcd->cgroup = cset->dfl_cgrp; cgroup_bpf_get(cset->dfl_cgrp); break; } cpu_relax(); } - rcu_read_unlock(); } void cgroup_sk_clone(struct sock_cgroup_data *skcd) { - if (skcd->val) { - if (skcd->no_refcnt) - return; - /* - * We might be cloning a socket which is left in an empty - * cgroup and the cgroup might have already been rmdir'd. - * Don't use cgroup_get_live(). - */ - cgroup_get(sock_cgroup_ptr(skcd)); - cgroup_bpf_get(sock_cgroup_ptr(skcd)); - } + struct cgroup *cgrp = sock_cgroup_ptr(skcd); + + /* + * We might be cloning a socket which is left in an empty + * cgroup and the cgroup might have already been rmdir'd. + * Don't use cgroup_get_live(). + */ + cgroup_get(cgrp); + cgroup_bpf_get(cgrp); } void cgroup_sk_free(struct sock_cgroup_data *skcd) { struct cgroup *cgrp = sock_cgroup_ptr(skcd); - if (skcd->no_refcnt) - return; cgroup_bpf_put(cgrp); cgroup_put(cgrp); } diff --git a/net/core/netclassid_cgroup.c b/net/core/netclassid_cgroup.c index 41b24cd31562..b6de5ee22391 100644 --- a/net/core/netclassid_cgroup.c +++ b/net/core/netclassid_cgroup.c @@ -72,11 +72,8 @@ static int update_classid_sock(const void *v, struct file *file, unsigned n) struct update_classid_context *ctx = (void *)v; struct socket *sock = sock_from_file(file, &err); - if (sock) { - spin_lock(&cgroup_sk_update_lock); + if (sock) sock_cgroup_set_classid(&sock->sk->sk_cgrp_data, ctx->classid); - spin_unlock(&cgroup_sk_update_lock); - } if (--ctx->batch == 0) { ctx->batch = UPDATE_CLASSID_BATCH; return n + 1; @@ -122,8 +119,6 @@ static int write_classid(struct cgroup_subsys_state *css, struct cftype *cft, struct css_task_iter it; struct task_struct *p; - cgroup_sk_alloc_disable(); - cs->classid = (u32)value; css_task_iter_start(css, 0, &it); diff --git a/net/core/netprio_cgroup.c b/net/core/netprio_cgroup.c index 9bd4cab7d510..d4c71e382a13 100644 --- a/net/core/netprio_cgroup.c +++ b/net/core/netprio_cgroup.c @@ -207,8 +207,6 @@ static ssize_t write_priomap(struct kernfs_open_file *of, if (!dev) return -ENODEV; - cgroup_sk_alloc_disable(); - rtnl_lock(); ret = netprio_set_prio(of_css(of), dev, prio); @@ -222,12 +220,10 @@ static int update_netprio(const void *v, struct file *file, unsigned n) { int err; struct socket *sock = sock_from_file(file, &err); - if (sock) { - spin_lock(&cgroup_sk_update_lock); + + if (sock) sock_cgroup_set_prioidx(&sock->sk->sk_cgrp_data, (unsigned long)v); - spin_unlock(&cgroup_sk_update_lock); - } return 0; } @@ -236,8 +232,6 @@ static void net_prio_attach(struct cgroup_taskset *tset) struct task_struct *p; struct cgroup_subsys_state *css; - cgroup_sk_alloc_disable(); - cgroup_taskset_for_each(p, css, tset) { void *v = (void *)(unsigned long)css->id; From c8e5439b5b6a893a71b825b127b2d4c1a7b510d5 Mon Sep 17 00:00:00 2001 From: Stanislav Fomichev Date: Wed, 8 Nov 2023 13:13:25 -0800 Subject: [PATCH 547/702] net: set SOCK_RCU_FREE before inserting socket into hashtable commit 871019b22d1bcc9fab2d1feba1b9a564acbb6e99 upstream. We've started to see the following kernel traces: WARNING: CPU: 83 PID: 0 at net/core/filter.c:6641 sk_lookup+0x1bd/0x1d0 Call Trace: __bpf_skc_lookup+0x10d/0x120 bpf_sk_lookup+0x48/0xd0 bpf_sk_lookup_tcp+0x19/0x20 bpf_prog_+0x37c/0x16a3 cls_bpf_classify+0x205/0x2e0 tcf_classify+0x92/0x160 __netif_receive_skb_core+0xe52/0xf10 __netif_receive_skb_list_core+0x96/0x2b0 napi_complete_done+0x7b5/0xb70 _poll+0x94/0xb0 net_rx_action+0x163/0x1d70 __do_softirq+0xdc/0x32e asm_call_irq_on_stack+0x12/0x20 do_softirq_own_stack+0x36/0x50 do_softirq+0x44/0x70 __inet_hash can race with lockless (rcu) readers on the other cpus: __inet_hash __sk_nulls_add_node_rcu <- (bpf triggers here) sock_set_flag(SOCK_RCU_FREE) Let's move the SOCK_RCU_FREE part up a bit, before we are inserting the socket into hashtables. Note, that the race is really harmless; the bpf callers are handling this situation (where listener socket doesn't have SOCK_RCU_FREE set) correctly, so the only annoyance is a WARN_ONCE. More details from Eric regarding SOCK_RCU_FREE timeline: Commit 3b24d854cb35 ("tcp/dccp: do not touch listener sk_refcnt under synflood") added SOCK_RCU_FREE. At that time, the precise location of sock_set_flag(sk, SOCK_RCU_FREE) did not matter, because the thread calling __inet_hash() owns a reference on sk. SOCK_RCU_FREE was only tested at dismantle time. Commit 6acc9b432e67 ("bpf: Add helper to retrieve socket in BPF") started checking SOCK_RCU_FREE _after_ the lookup to infer whether the refcount has been taken care of. Fixes: 6acc9b432e67 ("bpf: Add helper to retrieve socket in BPF") Reviewed-by: Eric Dumazet Signed-off-by: Stanislav Fomichev Reviewed-by: Kuniyuki Iwashima Signed-off-by: David S. Miller [Resolved conflict for 5.10 and below.] Signed-off-by: Siddh Raman Pant Signed-off-by: Greg Kroah-Hartman --- net/ipv4/inet_hashtables.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/net/ipv4/inet_hashtables.c b/net/ipv4/inet_hashtables.c index 56deddeac1b0..0fb5d758264f 100644 --- a/net/ipv4/inet_hashtables.c +++ b/net/ipv4/inet_hashtables.c @@ -653,6 +653,7 @@ int __inet_hash(struct sock *sk, struct sock *osk) if (err) goto unlock; } + sock_set_flag(sk, SOCK_RCU_FREE); if (IS_ENABLED(CONFIG_IPV6) && sk->sk_reuseport && sk->sk_family == AF_INET6) __sk_nulls_add_node_tail_rcu(sk, &ilb->nulls_head); @@ -660,7 +661,6 @@ int __inet_hash(struct sock *sk, struct sock *osk) __sk_nulls_add_node_rcu(sk, &ilb->nulls_head); inet_hash2(hashinfo, sk); ilb->count++; - sock_set_flag(sk, SOCK_RCU_FREE); sock_prot_inuse_add(sock_net(sk), sk->sk_prot, 1); unlock: spin_unlock(&ilb->lock); From 842a97b5e44f0c8a9fc356fe976e0e13ddcf7783 Mon Sep 17 00:00:00 2001 From: Breno Leitao Date: Fri, 12 Jul 2024 04:53:25 -0700 Subject: [PATCH 548/702] virtio_net: Fix napi_skb_cache_put warning commit f8321fa75102246d7415a6af441872f6637c93ab upstream. After the commit bdacf3e34945 ("net: Use nested-BH locking for napi_alloc_cache.") was merged, the following warning began to appear: WARNING: CPU: 5 PID: 1 at net/core/skbuff.c:1451 napi_skb_cache_put+0x82/0x4b0 __warn+0x12f/0x340 napi_skb_cache_put+0x82/0x4b0 napi_skb_cache_put+0x82/0x4b0 report_bug+0x165/0x370 handle_bug+0x3d/0x80 exc_invalid_op+0x1a/0x50 asm_exc_invalid_op+0x1a/0x20 __free_old_xmit+0x1c8/0x510 napi_skb_cache_put+0x82/0x4b0 __free_old_xmit+0x1c8/0x510 __free_old_xmit+0x1c8/0x510 __pfx___free_old_xmit+0x10/0x10 The issue arises because virtio is assuming it's running in NAPI context even when it's not, such as in the netpoll case. To resolve this, modify virtnet_poll_tx() to only set NAPI when budget is available. Same for virtnet_poll_cleantx(), which always assumed that it was in a NAPI context. Fixes: df133f3f9625 ("virtio_net: bulk free tx skbs") Suggested-by: Jakub Kicinski Signed-off-by: Breno Leitao Reviewed-by: Jakub Kicinski Acked-by: Michael S. Tsirkin Acked-by: Jason Wang Reviewed-by: Heng Qi Link: https://patch.msgid.link/20240712115325.54175-1-leitao@debian.org Signed-off-by: Jakub Kicinski [Shivani: Modified to apply on v4.19.y-v5.10.y] Signed-off-by: Shivani Agarwal Signed-off-by: Greg Kroah-Hartman --- drivers/net/virtio_net.c | 8 ++++---- 1 file changed, 4 insertions(+), 4 deletions(-) diff --git a/drivers/net/virtio_net.c b/drivers/net/virtio_net.c index f7ed99561c19..99dea89b2678 100644 --- a/drivers/net/virtio_net.c +++ b/drivers/net/virtio_net.c @@ -1497,7 +1497,7 @@ static bool is_xdp_raw_buffer_queue(struct virtnet_info *vi, int q) return false; } -static void virtnet_poll_cleantx(struct receive_queue *rq) +static void virtnet_poll_cleantx(struct receive_queue *rq, int budget) { struct virtnet_info *vi = rq->vq->vdev->priv; unsigned int index = vq2rxq(rq->vq); @@ -1508,7 +1508,7 @@ static void virtnet_poll_cleantx(struct receive_queue *rq) return; if (__netif_tx_trylock(txq)) { - free_old_xmit_skbs(sq, true); + free_old_xmit_skbs(sq, !!budget); __netif_tx_unlock(txq); } @@ -1525,7 +1525,7 @@ static int virtnet_poll(struct napi_struct *napi, int budget) unsigned int received; unsigned int xdp_xmit = 0; - virtnet_poll_cleantx(rq); + virtnet_poll_cleantx(rq, budget); received = virtnet_receive(rq, budget, &xdp_xmit); @@ -1598,7 +1598,7 @@ static int virtnet_poll_tx(struct napi_struct *napi, int budget) txq = netdev_get_tx_queue(vi->dev, index); __netif_tx_lock(txq, raw_smp_processor_id()); virtqueue_disable_cb(sq->vq); - free_old_xmit_skbs(sq, true); + free_old_xmit_skbs(sq, !!budget); opaque = virtqueue_enable_cb_prepare(sq->vq); From 17c43211d45f13d1badea3942b76bf16bcc49281 Mon Sep 17 00:00:00 2001 From: Nikita Kiryushin Date: Wed, 27 Mar 2024 20:47:47 +0300 Subject: [PATCH 549/702] rcu-tasks: Fix show_rcu_tasks_trace_gp_kthread buffer overflow commit cc5645fddb0ce28492b15520306d092730dffa48 upstream. There is a possibility of buffer overflow in show_rcu_tasks_trace_gp_kthread() if counters, passed to sprintf() are huge. Counter numbers, needed for this are unrealistically high, but buffer overflow is still possible. Use snprintf() with buffer size instead of sprintf(). Found by Linux Verification Center (linuxtesting.org) with SVACE. Fixes: edf3775f0ad6 ("rcu-tasks: Add count for idle tasks on offline CPUs") Signed-off-by: Nikita Kiryushin Reviewed-by: Steven Rostedt (Google) Signed-off-by: Paul E. McKenney Signed-off-by: Uladzislau Rezki (Sony) Signed-off-by: Sasha Levin Signed-off-by: Vamsi Krishna Brahmajosyula Signed-off-by: Greg Kroah-Hartman --- kernel/rcu/tasks.h | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/kernel/rcu/tasks.h b/kernel/rcu/tasks.h index 105fdc2bb004..bede3a4f108e 100644 --- a/kernel/rcu/tasks.h +++ b/kernel/rcu/tasks.h @@ -1240,7 +1240,7 @@ static void show_rcu_tasks_trace_gp_kthread(void) { char buf[64]; - sprintf(buf, "N%d h:%lu/%lu/%lu", atomic_read(&trc_n_readers_need_end), + snprintf(buf, sizeof(buf), "N%d h:%lu/%lu/%lu", atomic_read(&trc_n_readers_need_end), data_race(n_heavy_reader_ofl_updates), data_race(n_heavy_reader_updates), data_race(n_heavy_reader_attempts)); From 5895541d738968ead9f2cde07dcb76c95388c8c7 Mon Sep 17 00:00:00 2001 From: Jan Kara Date: Wed, 25 Jan 2023 17:56:06 +0100 Subject: [PATCH 550/702] udf: Limit file size to 4TB commit c2efd13a2ed4f29bf9ef14ac2fbb7474084655f8 upstream. UDF disk format supports in principle file sizes up to 1<<64-1. However the file space (including holes) is described by a linked list of extents, each of which can have at most 1GB. Thus the creation and handling of extents gets unusably slow beyond certain point. Limit the file size to 4TB to avoid locking up the kernel too easily. Signed-off-by: Jan Kara Signed-off-by: Greg Kroah-Hartman --- fs/udf/super.c | 9 ++++++++- 1 file changed, 8 insertions(+), 1 deletion(-) diff --git a/fs/udf/super.c b/fs/udf/super.c index 1939678f0b62..5d79e5d2e158 100644 --- a/fs/udf/super.c +++ b/fs/udf/super.c @@ -86,6 +86,13 @@ enum { #define UDF_MAX_LVID_NESTING 1000 enum { UDF_MAX_LINKS = 0xffff }; +/* + * We limit filesize to 4TB. This is arbitrary as the on-disk format supports + * more but because the file space is described by a linked list of extents, + * each of which can have at most 1GB, the creation and handling of extents + * gets unusably slow beyond certain point... + */ +#define UDF_MAX_FILESIZE (1ULL << 42) /* These are the "meat" - everything else is stuffing */ static int udf_fill_super(struct super_block *, void *, int); @@ -2301,7 +2308,7 @@ static int udf_fill_super(struct super_block *sb, void *options, int silent) ret = -ENOMEM; goto error_out; } - sb->s_maxbytes = MAX_LFS_FILESIZE; + sb->s_maxbytes = UDF_MAX_FILESIZE; sb->s_max_links = UDF_MAX_LINKS; return 0; From dfc8eb4d7e3ba596fd0fc9f71768471ddd85dfc1 Mon Sep 17 00:00:00 2001 From: Jan Kara Date: Wed, 7 Dec 2022 12:27:04 +0100 Subject: [PATCH 551/702] ext4: handle redirtying in ext4_bio_write_page() commit 04e568a3b31cfbd545c04c8bfc35c20e5ccfce0f upstream. Since we want to transition transaction commits to use ext4_writepages() for writing back ordered, add handling of page redirtying into ext4_bio_write_page(). Also move buffer dirty bit clearing into the same place other buffer state handling. Reviewed-by: Ritesh Harjani (IBM) Signed-off-by: Jan Kara Link: https://lore.kernel.org/r/20221207112722.22220-1-jack@suse.cz Signed-off-by: Theodore Ts'o Signed-off-by: Greg Kroah-Hartman --- fs/ext4/page-io.c | 14 ++++++++++++-- 1 file changed, 12 insertions(+), 2 deletions(-) diff --git a/fs/ext4/page-io.c b/fs/ext4/page-io.c index a94cc7b22d7e..1a371eb4470e 100644 --- a/fs/ext4/page-io.c +++ b/fs/ext4/page-io.c @@ -493,6 +493,13 @@ int ext4_bio_write_page(struct ext4_io_submit *io, /* A hole? We can safely clear the dirty bit */ if (!buffer_mapped(bh)) clear_buffer_dirty(bh); + /* + * Keeping dirty some buffer we cannot write? Make + * sure to redirty the page. This happens e.g. when + * doing writeout for transaction commit. + */ + if (buffer_dirty(bh) && !PageDirty(page)) + redirty_page_for_writepage(wbc, page); if (io->io_bio) ext4_io_submit(io); continue; @@ -500,6 +507,7 @@ int ext4_bio_write_page(struct ext4_io_submit *io, if (buffer_new(bh)) clear_buffer_new(bh); set_buffer_async_write(bh); + clear_buffer_dirty(bh); nr_to_submit++; } while ((bh = bh->b_this_page) != head); @@ -542,7 +550,10 @@ int ext4_bio_write_page(struct ext4_io_submit *io, printk_ratelimited(KERN_ERR "%s: ret = %d\n", __func__, ret); redirty_page_for_writepage(wbc, page); do { - clear_buffer_async_write(bh); + if (buffer_async_write(bh)) { + clear_buffer_async_write(bh); + set_buffer_dirty(bh); + } bh = bh->b_this_page; } while (bh != head); goto unlock; @@ -555,7 +566,6 @@ int ext4_bio_write_page(struct ext4_io_submit *io, continue; io_submit_add_bh(io, inode, page, bounce_page, bh); nr_submitted++; - clear_buffer_dirty(bh); } while ((bh = bh->b_this_page) != head); unlock: From b1400745609d653cd858e18c3e00d70518bdb802 Mon Sep 17 00:00:00 2001 From: Richard Fitzgerald Date: Wed, 14 Aug 2024 13:16:49 +0100 Subject: [PATCH 552/702] i2c: Use IS_REACHABLE() for substituting empty ACPI functions commit 71833e79a42178d8a50b5081c98c78ace9325628 upstream. Replace IS_ENABLED() with IS_REACHABLE() to substitute empty stubs for: i2c_acpi_get_i2c_resource() i2c_acpi_client_count() i2c_acpi_find_bus_speed() i2c_acpi_new_device_by_fwnode() i2c_adapter *i2c_acpi_find_adapter_by_handle() i2c_acpi_waive_d0_probe() commit f17c06c6608a ("i2c: Fix conditional for substituting empty ACPI functions") partially fixed this conditional to depend on CONFIG_I2C, but used IS_ENABLED(), which is wrong since CONFIG_I2C is tristate. CONFIG_ACPI is boolean but let's also change it to use IS_REACHABLE() to future-proof it against becoming tristate. Somehow despite testing various combinations of CONFIG_I2C and CONFIG_ACPI we missed the combination CONFIG_I2C=m, CONFIG_ACPI=y. Signed-off-by: Richard Fitzgerald Fixes: f17c06c6608a ("i2c: Fix conditional for substituting empty ACPI functions") Reported-by: kernel test robot Closes: https://lore.kernel.org/oe-kbuild-all/202408141333.gYnaitcV-lkp@intel.com/ Reviewed-by: Takashi Iwai Signed-off-by: Wolfram Sang Signed-off-by: Greg Kroah-Hartman --- include/linux/i2c.h | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/include/linux/i2c.h b/include/linux/i2c.h index cbd2025a002e..6cfb530b3d43 100644 --- a/include/linux/i2c.h +++ b/include/linux/i2c.h @@ -991,7 +991,7 @@ static inline int of_i2c_get_board_info(struct device *dev, struct acpi_resource; struct acpi_resource_i2c_serialbus; -#if IS_ENABLED(CONFIG_ACPI) && IS_ENABLED(CONFIG_I2C) +#if IS_REACHABLE(CONFIG_ACPI) && IS_REACHABLE(CONFIG_I2C) bool i2c_acpi_get_i2c_resource(struct acpi_resource *ares, struct acpi_resource_i2c_serialbus **i2c); u32 i2c_acpi_find_bus_speed(struct device *dev); From 06e7be6934139e95335afc80106e45e9043e6ab4 Mon Sep 17 00:00:00 2001 From: Connor O'Brien Date: Tue, 3 Sep 2024 18:28:51 -0700 Subject: [PATCH 553/702] bpf, cgroup: Assign cgroup in cgroup_sk_alloc when called from interrupt From: Daniel Borkmann commit 78cc316e9583067884eb8bd154301dc1e9ee945c upstream. If cgroup_sk_alloc() is called from interrupt context, then just assign the root cgroup to skcd->cgroup. Prior to commit 8520e224f547 ("bpf, cgroups: Fix cgroup v2 fallback on v1/v2 mixed mode") we would just return, and later on in sock_cgroup_ptr(), we were NULL-testing the cgroup in fast-path, and iff indeed NULL returning the root cgroup (v ?: &cgrp_dfl_root.cgrp). Rather than re-adding the NULL-test to the fast-path we can just assign it once from cgroup_sk_alloc() given v1/v2 handling has been simplified. The migration from NULL test with returning &cgrp_dfl_root.cgrp to assigning &cgrp_dfl_root.cgrp directly does /not/ change behavior for callers of sock_cgroup_ptr(). syzkaller was able to trigger a splat in the legacy netrom code base, where the RX handler in nr_rx_frame() calls nr_make_new() which calls sk_alloc() and therefore cgroup_sk_alloc() with in_interrupt() condition. Thus the NULL skcd->cgroup, where it trips over on cgroup_sk_free() side given it expects a non-NULL object. There are a few other candidates aside from netrom which have similar pattern where in their accept-like implementation, they just call to sk_alloc() and thus cgroup_sk_alloc() instead of sk_clone_lock() with the corresponding cgroup_sk_clone() which then inherits the cgroup from the parent socket. None of them are related to core protocols where BPF cgroup programs are running from. However, in future, they should follow to implement a similar inheritance mechanism. Additionally, with a !CONFIG_CGROUP_NET_PRIO and !CONFIG_CGROUP_NET_CLASSID configuration, the same issue was exposed also prior to 8520e224f547 due to commit e876ecc67db8 ("cgroup: memcg: net: do not associate sock with unrelated cgroup") which added the early in_interrupt() return back then. Fixes: 8520e224f547 ("bpf, cgroups: Fix cgroup v2 fallback on v1/v2 mixed mode") Fixes: e876ecc67db8 ("cgroup: memcg: net: do not associate sock with unrelated cgroup") Reported-by: syzbot+df709157a4ecaf192b03@syzkaller.appspotmail.com Reported-by: syzbot+533f389d4026d86a2a95@syzkaller.appspotmail.com Signed-off-by: Daniel Borkmann Signed-off-by: Alexei Starovoitov Tested-by: syzbot+df709157a4ecaf192b03@syzkaller.appspotmail.com Tested-by: syzbot+533f389d4026d86a2a95@syzkaller.appspotmail.com Acked-by: Tejun Heo Link: https://lore.kernel.org/bpf/20210927123921.21535-1-daniel@iogearbox.net Signed-off-by: Connor O'Brien Signed-off-by: Greg Kroah-Hartman --- kernel/cgroup/cgroup.c | 17 ++++++++++++----- 1 file changed, 12 insertions(+), 5 deletions(-) diff --git a/kernel/cgroup/cgroup.c b/kernel/cgroup/cgroup.c index 3ec531ef50d8..030eaed1f06b 100644 --- a/kernel/cgroup/cgroup.c +++ b/kernel/cgroup/cgroup.c @@ -6559,22 +6559,29 @@ int cgroup_parse_float(const char *input, unsigned dec_shift, s64 *v) void cgroup_sk_alloc(struct sock_cgroup_data *skcd) { - /* Don't associate the sock with unrelated interrupted task's cgroup. */ - if (in_interrupt()) - return; + struct cgroup *cgroup; rcu_read_lock(); + /* Don't associate the sock with unrelated interrupted task's cgroup. */ + if (in_interrupt()) { + cgroup = &cgrp_dfl_root.cgrp; + cgroup_get(cgroup); + goto out; + } + while (true) { struct css_set *cset; cset = task_css_set(current); if (likely(cgroup_tryget(cset->dfl_cgrp))) { - skcd->cgroup = cset->dfl_cgrp; - cgroup_bpf_get(cset->dfl_cgrp); + cgroup = cset->dfl_cgrp; break; } cpu_relax(); } +out: + skcd->cgroup = cgroup; + cgroup_bpf_get(cgroup); rcu_read_unlock(); } From 98c75d76187944296068d685dfd8a1e9fd8c4fdc Mon Sep 17 00:00:00 2001 From: Stephen Hemminger Date: Sun, 1 Sep 2024 11:16:07 -0700 Subject: [PATCH 554/702] sch/netem: fix use after free in netem_dequeue commit 3b3a2a9c6349e25a025d2330f479bc33a6ccb54a upstream. If netem_dequeue() enqueues packet to inner qdisc and that qdisc returns __NET_XMIT_STOLEN. The packet is dropped but qdisc_tree_reduce_backlog() is not called to update the parent's q.qlen, leading to the similar use-after-free as Commit e04991a48dbaf382 ("netem: fix return value if duplicate enqueue fails") Commands to trigger KASAN UaF: ip link add type dummy ip link set lo up ip link set dummy0 up tc qdisc add dev lo parent root handle 1: drr tc filter add dev lo parent 1: basic classid 1:1 tc class add dev lo classid 1:1 drr tc qdisc add dev lo parent 1:1 handle 2: netem tc qdisc add dev lo parent 2: handle 3: drr tc filter add dev lo parent 3: basic classid 3:1 action mirred egress redirect dev dummy0 tc class add dev lo classid 3:1 drr ping -c1 -W0.01 localhost # Trigger bug tc class del dev lo classid 1:1 tc class add dev lo classid 1:1 drr ping -c1 -W0.01 localhost # UaF Fixes: 50612537e9ab ("netem: fix classful handling") Reported-by: Budimir Markovic Signed-off-by: Stephen Hemminger Link: https://patch.msgid.link/20240901182438.4992-1-stephen@networkplumber.org Signed-off-by: Jakub Kicinski Signed-off-by: Greg Kroah-Hartman --- net/sched/sch_netem.c | 9 ++++----- 1 file changed, 4 insertions(+), 5 deletions(-) diff --git a/net/sched/sch_netem.c b/net/sched/sch_netem.c index e0e16b0fdb17..93ed7bac9ee6 100644 --- a/net/sched/sch_netem.c +++ b/net/sched/sch_netem.c @@ -733,11 +733,10 @@ static struct sk_buff *netem_dequeue(struct Qdisc *sch) err = qdisc_enqueue(skb, q->qdisc, &to_free); kfree_skb_list(to_free); - if (err != NET_XMIT_SUCCESS && - net_xmit_drop_count(err)) { - qdisc_qstats_drop(sch); - qdisc_tree_reduce_backlog(sch, 1, - pkt_len); + if (err != NET_XMIT_SUCCESS) { + if (net_xmit_drop_count(err)) + qdisc_qstats_drop(sch); + qdisc_tree_reduce_backlog(sch, 1, pkt_len); } goto tfifo_dequeue; } From 8ca21e7a27c66b95a4b215edc8e45e5d66679f9f Mon Sep 17 00:00:00 2001 From: robelin Date: Fri, 23 Aug 2024 14:43:41 +0000 Subject: [PATCH 555/702] ASoC: dapm: Fix UAF for snd_soc_pcm_runtime object commit b4a90b543d9f62d3ac34ec1ab97fc5334b048565 upstream. When using kernel with the following extra config, - CONFIG_KASAN=y - CONFIG_KASAN_GENERIC=y - CONFIG_KASAN_INLINE=y - CONFIG_KASAN_VMALLOC=y - CONFIG_FRAME_WARN=4096 kernel detects that snd_pcm_suspend_all() access a freed 'snd_soc_pcm_runtime' object when the system is suspended, which leads to a use-after-free bug: [ 52.047746] BUG: KASAN: use-after-free in snd_pcm_suspend_all+0x1a8/0x270 [ 52.047765] Read of size 1 at addr ffff0000b9434d50 by task systemd-sleep/2330 [ 52.047785] Call trace: [ 52.047787] dump_backtrace+0x0/0x3c0 [ 52.047794] show_stack+0x34/0x50 [ 52.047797] dump_stack_lvl+0x68/0x8c [ 52.047802] print_address_description.constprop.0+0x74/0x2c0 [ 52.047809] kasan_report+0x210/0x230 [ 52.047815] __asan_report_load1_noabort+0x3c/0x50 [ 52.047820] snd_pcm_suspend_all+0x1a8/0x270 [ 52.047824] snd_soc_suspend+0x19c/0x4e0 The snd_pcm_sync_stop() has a NULL check on 'substream->runtime' before making any access. So we need to always set 'substream->runtime' to NULL everytime we kfree() it. Fixes: a72706ed8208 ("ASoC: codec2codec: remove ephemeral variables") Signed-off-by: robelin Signed-off-by: Sameer Pujar Link: https://patch.msgid.link/20240823144342.4123814-2-spujar@nvidia.com Signed-off-by: Mark Brown Signed-off-by: Greg Kroah-Hartman --- sound/soc/soc-dapm.c | 1 + 1 file changed, 1 insertion(+) diff --git a/sound/soc/soc-dapm.c b/sound/soc/soc-dapm.c index 754c1f16ee83..acb46e1f9c0a 100644 --- a/sound/soc/soc-dapm.c +++ b/sound/soc/soc-dapm.c @@ -4014,6 +4014,7 @@ static int snd_soc_dai_link_event(struct snd_soc_dapm_widget *w, case SND_SOC_DAPM_POST_PMD: kfree(substream->runtime); + substream->runtime = NULL; break; default: From adc688a5054d43e7499111bba69070a36c224979 Mon Sep 17 00:00:00 2001 From: Christoffer Sandberg Date: Tue, 27 Aug 2024 12:25:40 +0200 Subject: [PATCH 556/702] ALSA: hda/conexant: Add pincfg quirk to enable top speakers on Sirius devices commit 4178d78cd7a86510ba68d203f26fc01113c7f126 upstream. The Sirius notebooks have two sets of speakers 0x17 (sides) and 0x1d (top center). The side speakers are active by default but the top speakers aren't. This patch provides a pincfg quirk to activate the top speakers. Signed-off-by: Christoffer Sandberg Signed-off-by: Werner Sembach Cc: stable@vger.kernel.org Link: https://patch.msgid.link/20240827102540.9480-1-wse@tuxedocomputers.com Signed-off-by: Takashi Iwai Signed-off-by: Greg Kroah-Hartman --- sound/pci/hda/patch_conexant.c | 11 +++++++++++ 1 file changed, 11 insertions(+) diff --git a/sound/pci/hda/patch_conexant.c b/sound/pci/hda/patch_conexant.c index 2d10c6e744ab..d908a39af9f5 100644 --- a/sound/pci/hda/patch_conexant.c +++ b/sound/pci/hda/patch_conexant.c @@ -238,6 +238,7 @@ enum { CXT_FIXUP_HEADSET_MIC, CXT_FIXUP_HP_MIC_NO_PRESENCE, CXT_PINCFG_SWS_JS201D, + CXT_PINCFG_TOP_SPEAKER, }; /* for hda_fixup_thinkpad_acpi() */ @@ -905,6 +906,13 @@ static const struct hda_fixup cxt_fixups[] = { .type = HDA_FIXUP_PINS, .v.pins = cxt_pincfg_sws_js201d, }, + [CXT_PINCFG_TOP_SPEAKER] = { + .type = HDA_FIXUP_PINS, + .v.pins = (const struct hda_pintbl[]) { + { 0x1d, 0x82170111 }, + { } + }, + }, }; static const struct snd_pci_quirk cxt5045_fixups[] = { @@ -1001,6 +1009,8 @@ static const struct snd_pci_quirk cxt5066_fixups[] = { SND_PCI_QUIRK_VENDOR(0x17aa, "Thinkpad", CXT_FIXUP_THINKPAD_ACPI), SND_PCI_QUIRK(0x1c06, 0x2011, "Lemote A1004", CXT_PINCFG_LEMOTE_A1004), SND_PCI_QUIRK(0x1c06, 0x2012, "Lemote A1205", CXT_PINCFG_LEMOTE_A1205), + SND_PCI_QUIRK(0x2782, 0x12c3, "Sirius Gen1", CXT_PINCFG_TOP_SPEAKER), + SND_PCI_QUIRK(0x2782, 0x12c5, "Sirius Gen2", CXT_PINCFG_TOP_SPEAKER), {} }; @@ -1020,6 +1030,7 @@ static const struct hda_model_fixup cxt5066_fixup_models[] = { { .id = CXT_FIXUP_HP_MIC_NO_PRESENCE, .name = "hp-mic-fix" }, { .id = CXT_PINCFG_LENOVO_NOTEBOOK, .name = "lenovo-20149" }, { .id = CXT_PINCFG_SWS_JS201D, .name = "sws-js201d" }, + { .id = CXT_PINCFG_TOP_SPEAKER, .name = "sirius-top-speaker" }, {} }; From 2ef683b0585bb1f60f9e3c0f082401181a0cc2f5 Mon Sep 17 00:00:00 2001 From: Terry Cheong Date: Fri, 30 Aug 2024 04:11:53 +0800 Subject: [PATCH 557/702] ALSA: hda/realtek: add patch for internal mic in Lenovo V145 commit ef27e89e7f3015be2b3c124833fbd6d2e4686561 upstream. Lenovo V145 is having phase inverted dmic but simply applying inverted dmic fixups does not work. Chaining up verb fixes for ALC283 enables inverting dmic fixup to work properly. Signed-off-by: Terry Cheong Cc: Link: https://patch.msgid.link/20240830-lenovo-v145-fixes-v3-1-f7b7265068fa@chromium.org Signed-off-by: Takashi Iwai Signed-off-by: Greg Kroah-Hartman --- sound/pci/hda/patch_realtek.c | 9 +++++++++ 1 file changed, 9 insertions(+) diff --git a/sound/pci/hda/patch_realtek.c b/sound/pci/hda/patch_realtek.c index 04fd52bba057..f1ba73e44842 100644 --- a/sound/pci/hda/patch_realtek.c +++ b/sound/pci/hda/patch_realtek.c @@ -6968,6 +6968,7 @@ enum { ALC236_FIXUP_HP_GPIO_LED, ALC236_FIXUP_HP_MUTE_LED, ALC236_FIXUP_HP_MUTE_LED_MICMUTE_VREF, + ALC236_FIXUP_LENOVO_INV_DMIC, ALC298_FIXUP_SAMSUNG_AMP, ALC298_FIXUP_SAMSUNG_HEADPHONE_VERY_QUIET, ALC256_FIXUP_SAMSUNG_HEADPHONE_VERY_QUIET, @@ -8361,6 +8362,12 @@ static const struct hda_fixup alc269_fixups[] = { .type = HDA_FIXUP_FUNC, .v.func = alc236_fixup_hp_mute_led_micmute_vref, }, + [ALC236_FIXUP_LENOVO_INV_DMIC] = { + .type = HDA_FIXUP_FUNC, + .v.func = alc_fixup_inv_dmic, + .chained = true, + .chain_id = ALC283_FIXUP_INT_MIC, + }, [ALC298_FIXUP_SAMSUNG_AMP] = { .type = HDA_FIXUP_FUNC, .v.func = alc298_fixup_samsung_amp, @@ -9355,6 +9362,7 @@ static const struct snd_pci_quirk alc269_fixup_tbl[] = { SND_PCI_QUIRK(0x17aa, 0x3852, "Lenovo Yoga 7 14ITL5", ALC287_FIXUP_YOGA7_14ITL_SPEAKERS), SND_PCI_QUIRK(0x17aa, 0x3853, "Lenovo Yoga 7 15ITL5", ALC287_FIXUP_YOGA7_14ITL_SPEAKERS), SND_PCI_QUIRK(0x17aa, 0x3902, "Lenovo E50-80", ALC269_FIXUP_DMIC_THINKPAD_ACPI), + SND_PCI_QUIRK(0x17aa, 0x3913, "Lenovo 145", ALC236_FIXUP_LENOVO_INV_DMIC), SND_PCI_QUIRK(0x17aa, 0x3977, "IdeaPad S210", ALC283_FIXUP_INT_MIC), SND_PCI_QUIRK(0x17aa, 0x3978, "Lenovo B50-70", ALC269_FIXUP_DMIC_THINKPAD_ACPI), SND_PCI_QUIRK(0x17aa, 0x3bf8, "Quanta FL1", ALC269_FIXUP_PCM_44K), @@ -9596,6 +9604,7 @@ static const struct hda_model_fixup alc269_fixup_models[] = { {.id = ALC623_FIXUP_LENOVO_THINKSTATION_P340, .name = "alc623-lenovo-thinkstation-p340"}, {.id = ALC255_FIXUP_ACER_HEADPHONE_AND_MIC, .name = "alc255-acer-headphone-and-mic"}, {.id = ALC285_FIXUP_HP_GPIO_AMP_INIT, .name = "alc285-hp-amp-init"}, + {.id = ALC236_FIXUP_LENOVO_INV_DMIC, .name = "alc236-fixup-lenovo-inv-mic"}, {} }; #define ALC225_STANDARD_PINS \ From 0f27b8c07e9a5994fd7e6ccb90e0cf4d91a7423f Mon Sep 17 00:00:00 2001 From: Maximilien Perreault Date: Tue, 3 Sep 2024 20:10:13 -0700 Subject: [PATCH 558/702] ALSA: hda/realtek: Support mute LED on HP Laptop 14-dq2xxx commit 47a9e8dbb8d4713a9aac7cc6ce3c82dcc94217d8 upstream. The mute LED on this HP laptop uses ALC236 and requires a quirk to function. This patch enables the existing quirk for the device. Signed-off-by: Maximilien Perreault Cc: Link: https://patch.msgid.link/20240904031013.21220-1-maximilienperreault@gmail.com Signed-off-by: Takashi Iwai Signed-off-by: Greg Kroah-Hartman --- sound/pci/hda/patch_realtek.c | 1 + 1 file changed, 1 insertion(+) diff --git a/sound/pci/hda/patch_realtek.c b/sound/pci/hda/patch_realtek.c index f1ba73e44842..c104a33b3e8f 100644 --- a/sound/pci/hda/patch_realtek.c +++ b/sound/pci/hda/patch_realtek.c @@ -9112,6 +9112,7 @@ static const struct snd_pci_quirk alc269_fixup_tbl[] = { SND_PCI_QUIRK(0x103c, 0x87f5, "HP", ALC287_FIXUP_HP_GPIO_LED), SND_PCI_QUIRK(0x103c, 0x87f6, "HP Spectre x360 14", ALC245_FIXUP_HP_X360_AMP), SND_PCI_QUIRK(0x103c, 0x87f7, "HP Spectre x360 14", ALC245_FIXUP_HP_X360_AMP), + SND_PCI_QUIRK(0x103c, 0x87fd, "HP Laptop 14-dq2xxx", ALC236_FIXUP_HP_MUTE_LED_COEFBIT2), SND_PCI_QUIRK(0x103c, 0x87fe, "HP Laptop 15s-fq2xxx", ALC236_FIXUP_HP_MUTE_LED_COEFBIT2), SND_PCI_QUIRK(0x103c, 0x8805, "HP ProBook 650 G8 Notebook PC", ALC236_FIXUP_HP_GPIO_LED), SND_PCI_QUIRK(0x103c, 0x880d, "HP EliteBook 830 G8 Notebook PC", ALC285_FIXUP_HP_GPIO_LED), From e0b122a8f6dddbec9c6b153f882f8f5a5cc47caa Mon Sep 17 00:00:00 2001 From: Zheng Qixing Date: Thu, 22 Aug 2024 11:30:50 +0800 Subject: [PATCH 559/702] ata: libata: Fix memory leak for error path in ata_host_alloc() commit 284b75a3d83c7631586d98f6dede1d90f128f0db upstream. In ata_host_alloc(), if devres_alloc() fails to allocate the device host resource data pointer, the already allocated ata_host structure is not freed before returning from the function. This results in a potential memory leak. Call kfree(host) before jumping to the error handling path to ensure that the ata_host structure is properly freed if devres_alloc() fails. Fixes: 2623c7a5f279 ("libata: add refcounting to ata_host") Cc: stable@vger.kernel.org Signed-off-by: Zheng Qixing Reviewed-by: Yu Kuai Signed-off-by: Damien Le Moal Signed-off-by: Greg Kroah-Hartman --- drivers/ata/libata-core.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/drivers/ata/libata-core.c b/drivers/ata/libata-core.c index 467fc8002c44..107c28ec23b8 100644 --- a/drivers/ata/libata-core.c +++ b/drivers/ata/libata-core.c @@ -5429,8 +5429,10 @@ struct ata_host *ata_host_alloc(struct device *dev, int max_ports) } dr = devres_alloc(ata_devres_release, 0, GFP_KERNEL); - if (!dr) + if (!dr) { + kfree(host); goto err_out; + } devres_add(dev, dr); dev_set_drvdata(dev, host); From cb27399b3d48c0754a81bffd7bdbd9f94eb3548a Mon Sep 17 00:00:00 2001 From: Ma Ke Date: Tue, 20 Aug 2024 17:28:43 +0800 Subject: [PATCH 560/702] irqchip/gic-v2m: Fix refcount leak in gicv2m_of_init() commit c5af2c90ba5629f0424a8d315f75fb8d91713c3c upstream. gicv2m_of_init() fails to perform an of_node_put() when of_address_to_resource() fails, leading to a refcount leak. Address this by moving the error handling path outside of the loop and making it common to all failure modes. Fixes: 4266ab1a8ff5 ("irqchip/gic-v2m: Refactor to prepare for ACPI support") Signed-off-by: Ma Ke Signed-off-by: Thomas Gleixner Reviewed-by: Marc Zyngier Cc: stable@vger.kernel.org Link: https://lore.kernel.org/all/20240820092843.1219933-1-make24@iscas.ac.cn Signed-off-by: Greg Kroah-Hartman --- drivers/irqchip/irq-gic-v2m.c | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) diff --git a/drivers/irqchip/irq-gic-v2m.c b/drivers/irqchip/irq-gic-v2m.c index 4116b48e60af..205a27519607 100644 --- a/drivers/irqchip/irq-gic-v2m.c +++ b/drivers/irqchip/irq-gic-v2m.c @@ -442,12 +442,12 @@ static int __init gicv2m_of_init(struct fwnode_handle *parent_handle, ret = gicv2m_init_one(&child->fwnode, spi_start, nr_spis, &res, 0); - if (ret) { - of_node_put(child); + if (ret) break; - } } + if (ret && child) + of_node_put(child); if (!ret) ret = gicv2m_allocate_domains(parent); if (ret) From 029e462bb4f5c28c9f4d8f822c3e826c1a75a906 Mon Sep 17 00:00:00 2001 From: Luiz Augusto von Dentz Date: Tue, 27 Aug 2024 14:37:22 -0400 Subject: [PATCH 561/702] Revert "Bluetooth: MGMT/SMP: Fix address type when using SMP over BREDR/LE" commit 532f8bcd1c2c4e8112f62e1922fd1703bc0ffce0 upstream. This reverts commit 59b047bc98084f8af2c41483e4d68a5adf2fa7f7 which breaks compatibility with commands like: bluetoothd[46328]: @ MGMT Command: Load.. (0x0013) plen 74 {0x0001} [hci0] Keys: 2 BR/EDR Address: C0:DC:DA:A5:E5:47 (Samsung Electronics Co.,Ltd) Key type: Authenticated key from P-256 (0x03) Central: 0x00 Encryption size: 16 Diversifier[2]: 0000 Randomizer[8]: 0000000000000000 Key[16]: 6ed96089bd9765be2f2c971b0b95f624 LE Address: D7:2A:DE:1E:73:A2 (Static) Key type: Unauthenticated key from P-256 (0x02) Central: 0x00 Encryption size: 16 Diversifier[2]: 0000 Randomizer[8]: 0000000000000000 Key[16]: 87dd2546ededda380ffcdc0a8faa4597 @ MGMT Event: Command Status (0x0002) plen 3 {0x0001} [hci0] Load Long Term Keys (0x0013) Status: Invalid Parameters (0x0d) Cc: stable@vger.kernel.org Link: https://github.com/bluez/bluez/issues/875 Fixes: 59b047bc9808 ("Bluetooth: MGMT/SMP: Fix address type when using SMP over BREDR/LE") Signed-off-by: Luiz Augusto von Dentz Signed-off-by: Greg Kroah-Hartman --- include/net/bluetooth/hci_core.h | 5 ----- net/bluetooth/mgmt.c | 25 +++++++------------------ net/bluetooth/smp.c | 7 ------- 3 files changed, 7 insertions(+), 30 deletions(-) diff --git a/include/net/bluetooth/hci_core.h b/include/net/bluetooth/hci_core.h index 9128c0db11f8..fe62943a35dd 100644 --- a/include/net/bluetooth/hci_core.h +++ b/include/net/bluetooth/hci_core.h @@ -174,7 +174,6 @@ struct blocked_key { struct smp_csrk { bdaddr_t bdaddr; u8 bdaddr_type; - u8 link_type; u8 type; u8 val[16]; }; @@ -184,7 +183,6 @@ struct smp_ltk { struct rcu_head rcu; bdaddr_t bdaddr; u8 bdaddr_type; - u8 link_type; u8 authenticated; u8 type; u8 enc_size; @@ -199,7 +197,6 @@ struct smp_irk { bdaddr_t rpa; bdaddr_t bdaddr; u8 addr_type; - u8 link_type; u8 val[16]; }; @@ -207,8 +204,6 @@ struct link_key { struct list_head list; struct rcu_head rcu; bdaddr_t bdaddr; - u8 bdaddr_type; - u8 link_type; u8 type; u8 val[HCI_LINK_KEY_SIZE]; u8 pin_len; diff --git a/net/bluetooth/mgmt.c b/net/bluetooth/mgmt.c index 0078e33e12ba..d254127b6d20 100644 --- a/net/bluetooth/mgmt.c +++ b/net/bluetooth/mgmt.c @@ -2373,8 +2373,7 @@ static int load_link_keys(struct sock *sk, struct hci_dev *hdev, void *data, for (i = 0; i < key_count; i++) { struct mgmt_link_key_info *key = &cp->keys[i]; - /* Considering SMP over BREDR/LE, there is no need to check addr_type */ - if (key->type > 0x08) + if (key->addr.type != BDADDR_BREDR || key->type > 0x08) return mgmt_cmd_status(sk, hdev->id, MGMT_OP_LOAD_LINK_KEYS, MGMT_STATUS_INVALID_PARAMS); @@ -5919,7 +5918,6 @@ static int load_irks(struct sock *sk, struct hci_dev *hdev, void *cp_data, for (i = 0; i < irk_count; i++) { struct mgmt_irk_info *irk = &cp->irks[i]; - u8 addr_type = le_addr_type(irk->addr.type); if (hci_is_blocked_key(hdev, HCI_BLOCKED_KEY_TYPE_IRK, @@ -5929,12 +5927,8 @@ static int load_irks(struct sock *sk, struct hci_dev *hdev, void *cp_data, continue; } - /* When using SMP over BR/EDR, the addr type should be set to BREDR */ - if (irk->addr.type == BDADDR_BREDR) - addr_type = BDADDR_BREDR; - hci_add_irk(hdev, &irk->addr.bdaddr, - addr_type, irk->val, + le_addr_type(irk->addr.type), irk->val, BDADDR_ANY); } @@ -6015,7 +6009,6 @@ static int load_long_term_keys(struct sock *sk, struct hci_dev *hdev, for (i = 0; i < key_count; i++) { struct mgmt_ltk_info *key = &cp->keys[i]; u8 type, authenticated; - u8 addr_type = le_addr_type(key->addr.type); if (hci_is_blocked_key(hdev, HCI_BLOCKED_KEY_TYPE_LTK, @@ -6050,12 +6043,8 @@ static int load_long_term_keys(struct sock *sk, struct hci_dev *hdev, continue; } - /* When using SMP over BR/EDR, the addr type should be set to BREDR */ - if (key->addr.type == BDADDR_BREDR) - addr_type = BDADDR_BREDR; - hci_add_ltk(hdev, &key->addr.bdaddr, - addr_type, type, authenticated, + le_addr_type(key->addr.type), type, authenticated, key->val, key->enc_size, key->ediv, key->rand); } @@ -8058,7 +8047,7 @@ void mgmt_new_link_key(struct hci_dev *hdev, struct link_key *key, ev.store_hint = persistent; bacpy(&ev.key.addr.bdaddr, &key->bdaddr); - ev.key.addr.type = link_to_bdaddr(key->link_type, key->bdaddr_type); + ev.key.addr.type = BDADDR_BREDR; ev.key.type = key->type; memcpy(ev.key.val, key->val, HCI_LINK_KEY_SIZE); ev.key.pin_len = key->pin_len; @@ -8109,7 +8098,7 @@ void mgmt_new_ltk(struct hci_dev *hdev, struct smp_ltk *key, bool persistent) ev.store_hint = persistent; bacpy(&ev.key.addr.bdaddr, &key->bdaddr); - ev.key.addr.type = link_to_bdaddr(key->link_type, key->bdaddr_type); + ev.key.addr.type = link_to_bdaddr(LE_LINK, key->bdaddr_type); ev.key.type = mgmt_ltk_type(key); ev.key.enc_size = key->enc_size; ev.key.ediv = key->ediv; @@ -8138,7 +8127,7 @@ void mgmt_new_irk(struct hci_dev *hdev, struct smp_irk *irk, bool persistent) bacpy(&ev.rpa, &irk->rpa); bacpy(&ev.irk.addr.bdaddr, &irk->bdaddr); - ev.irk.addr.type = link_to_bdaddr(irk->link_type, irk->addr_type); + ev.irk.addr.type = link_to_bdaddr(LE_LINK, irk->addr_type); memcpy(ev.irk.val, irk->val, sizeof(irk->val)); mgmt_event(MGMT_EV_NEW_IRK, hdev, &ev, sizeof(ev), NULL); @@ -8167,7 +8156,7 @@ void mgmt_new_csrk(struct hci_dev *hdev, struct smp_csrk *csrk, ev.store_hint = persistent; bacpy(&ev.key.addr.bdaddr, &csrk->bdaddr); - ev.key.addr.type = link_to_bdaddr(csrk->link_type, csrk->bdaddr_type); + ev.key.addr.type = link_to_bdaddr(LE_LINK, csrk->bdaddr_type); ev.key.type = csrk->type; memcpy(ev.key.val, csrk->val, sizeof(csrk->val)); diff --git a/net/bluetooth/smp.c b/net/bluetooth/smp.c index 20cae8f76876..8f9566f37498 100644 --- a/net/bluetooth/smp.c +++ b/net/bluetooth/smp.c @@ -1060,7 +1060,6 @@ static void smp_notify_keys(struct l2cap_conn *conn) } if (smp->remote_irk) { - smp->remote_irk->link_type = hcon->type; mgmt_new_irk(hdev, smp->remote_irk, persistent); /* Now that user space can be considered to know the @@ -1075,28 +1074,24 @@ static void smp_notify_keys(struct l2cap_conn *conn) } if (smp->csrk) { - smp->csrk->link_type = hcon->type; smp->csrk->bdaddr_type = hcon->dst_type; bacpy(&smp->csrk->bdaddr, &hcon->dst); mgmt_new_csrk(hdev, smp->csrk, persistent); } if (smp->responder_csrk) { - smp->responder_csrk->link_type = hcon->type; smp->responder_csrk->bdaddr_type = hcon->dst_type; bacpy(&smp->responder_csrk->bdaddr, &hcon->dst); mgmt_new_csrk(hdev, smp->responder_csrk, persistent); } if (smp->ltk) { - smp->ltk->link_type = hcon->type; smp->ltk->bdaddr_type = hcon->dst_type; bacpy(&smp->ltk->bdaddr, &hcon->dst); mgmt_new_ltk(hdev, smp->ltk, persistent); } if (smp->responder_ltk) { - smp->responder_ltk->link_type = hcon->type; smp->responder_ltk->bdaddr_type = hcon->dst_type; bacpy(&smp->responder_ltk->bdaddr, &hcon->dst); mgmt_new_ltk(hdev, smp->responder_ltk, persistent); @@ -1116,8 +1111,6 @@ static void smp_notify_keys(struct l2cap_conn *conn) key = hci_add_link_key(hdev, smp->conn->hcon, &hcon->dst, smp->link_key, type, 0, &persistent); if (key) { - key->link_type = hcon->type; - key->bdaddr_type = hcon->dst_type; mgmt_new_link_key(hdev, key, persistent); /* Don't keep debug keys around if the relevant From b2ead0948988d7f79d7ef0839b79a0753f063039 Mon Sep 17 00:00:00 2001 From: Luiz Augusto von Dentz Date: Tue, 27 Aug 2024 15:01:34 -0400 Subject: [PATCH 562/702] Bluetooth: MGMT: Ignore keys being loaded with invalid type commit 1e9683c9b6ca88cc9340cdca85edd6134c8cffe3 upstream. Due to 59b047bc98084f8af2c41483e4d68a5adf2fa7f7 there could be keys stored with the wrong address type so this attempt to detect it and ignore them instead of just failing to load all keys. Cc: stable@vger.kernel.org Link: https://github.com/bluez/bluez/issues/875 Fixes: 59b047bc9808 ("Bluetooth: MGMT/SMP: Fix address type when using SMP over BREDR/LE") Signed-off-by: Luiz Augusto von Dentz Signed-off-by: Greg Kroah-Hartman --- net/bluetooth/mgmt.c | 37 +++++++++++++++++++------------------ 1 file changed, 19 insertions(+), 18 deletions(-) diff --git a/net/bluetooth/mgmt.c b/net/bluetooth/mgmt.c index d254127b6d20..51b16c2a279f 100644 --- a/net/bluetooth/mgmt.c +++ b/net/bluetooth/mgmt.c @@ -2370,15 +2370,6 @@ static int load_link_keys(struct sock *sk, struct hci_dev *hdev, void *data, bt_dev_dbg(hdev, "debug_keys %u key_count %u", cp->debug_keys, key_count); - for (i = 0; i < key_count; i++) { - struct mgmt_link_key_info *key = &cp->keys[i]; - - if (key->addr.type != BDADDR_BREDR || key->type > 0x08) - return mgmt_cmd_status(sk, hdev->id, - MGMT_OP_LOAD_LINK_KEYS, - MGMT_STATUS_INVALID_PARAMS); - } - hci_dev_lock(hdev); hci_link_keys_clear(hdev); @@ -2403,6 +2394,19 @@ static int load_link_keys(struct sock *sk, struct hci_dev *hdev, void *data, continue; } + if (key->addr.type != BDADDR_BREDR) { + bt_dev_warn(hdev, + "Invalid link address type %u for %pMR", + key->addr.type, &key->addr.bdaddr); + continue; + } + + if (key->type > 0x08) { + bt_dev_warn(hdev, "Invalid link key type %u for %pMR", + key->type, &key->addr.bdaddr); + continue; + } + /* Always ignore debug keys and require a new pairing if * the user wants to use them. */ @@ -5993,15 +5997,6 @@ static int load_long_term_keys(struct sock *sk, struct hci_dev *hdev, bt_dev_dbg(hdev, "key_count %u", key_count); - for (i = 0; i < key_count; i++) { - struct mgmt_ltk_info *key = &cp->keys[i]; - - if (!ltk_is_valid(key)) - return mgmt_cmd_status(sk, hdev->id, - MGMT_OP_LOAD_LONG_TERM_KEYS, - MGMT_STATUS_INVALID_PARAMS); - } - hci_dev_lock(hdev); hci_smp_ltks_clear(hdev); @@ -6018,6 +6013,12 @@ static int load_long_term_keys(struct sock *sk, struct hci_dev *hdev, continue; } + if (!ltk_is_valid(key)) { + bt_dev_warn(hdev, "Invalid LTK for %pMR", + &key->addr.bdaddr); + continue; + } + switch (key->type) { case MGMT_LTK_UNAUTHENTICATED: authenticated = 0x00; From 2793f423893579b35dc1fc24dd7c1ce58fa0345a Mon Sep 17 00:00:00 2001 From: Sam Protsenko Date: Wed, 6 Mar 2024 17:20:52 -0600 Subject: [PATCH 563/702] mmc: dw_mmc: Fix IDMAC operation with pages bigger than 4K commit 8396c793ffdf28bb8aee7cfe0891080f8cab7890 upstream. Commit 616f87661792 ("mmc: pass queue_limits to blk_mq_alloc_disk") [1] revealed the long living issue in dw_mmc.c driver, existing since the time when it was first introduced in commit f95f3850f7a9 ("mmc: dw_mmc: Add Synopsys DesignWare mmc host driver."), also making kernel boot broken on platforms using dw_mmc driver with 16K or 64K pages enabled, with this message in dmesg: mmcblk: probe of mmc0:0001 failed with error -22 That's happening because mmc_blk_probe() fails when it calls blk_validate_limits() consequently, which returns the error due to failed max_segment_size check in this code: /* * The maximum segment size has an odd historic 64k default that * drivers probably should override. Just like the I/O size we * require drivers to at least handle a full page per segment. */ ... if (WARN_ON_ONCE(lim->max_segment_size < PAGE_SIZE)) return -EINVAL; In case when IDMAC (Internal DMA Controller) is used, dw_mmc.c always sets .max_seg_size to 4 KiB: mmc->max_seg_size = 0x1000; The comment in the code above explains why it's incorrect. Arnd suggested setting .max_seg_size to .max_req_size to fix it, which is also what some other drivers are doing: $ grep -rl 'max_seg_size.*=.*max_req_size' drivers/mmc/host/ | \ wc -l 18 This change is not only fixing the boot with 16K/64K pages, but also leads to a better MMC performance. The linear write performance was tested on E850-96 board (eMMC only), before commit [1] (where it's possible to boot with 16K/64K pages without this fix, to be able to do a comparison). It was tested with this command: # dd if=/dev/zero of=somefile bs=1M count=500 oflag=sync Test results are as follows: - 4K pages, .max_seg_size = 4 KiB: 94.2 MB/s - 4K pages, .max_seg_size = .max_req_size = 512 KiB: 96.9 MB/s - 16K pages, .max_seg_size = 4 KiB: 126 MB/s - 16K pages, .max_seg_size = .max_req_size = 2 MiB: 128 MB/s - 64K pages, .max_seg_size = 4 KiB: 138 MB/s - 64K pages, .max_seg_size = .max_req_size = 8 MiB: 138 MB/s Unfortunately, SD card controller is not enabled in E850-96 yet, so it wasn't possible for me to run the test on some cheap SD cards to check this patch's impact on those. But it's possible that this change might also reduce the writes count, thus improving SD/eMMC longevity. All credit for the analysis and the suggested solution goes to Arnd. [1] https://lore.kernel.org/all/20240215070300.2200308-18-hch@lst.de/ Fixes: f95f3850f7a9 ("mmc: dw_mmc: Add Synopsys DesignWare mmc host driver.") Suggested-by: Arnd Bergmann Reported-by: Linux Kernel Functional Testing Closes: https://lore.kernel.org/all/CA+G9fYtddf2Fd3be+YShHP6CmSDNcn0ptW8qg+stUKW+Cn0rjQ@mail.gmail.com/ Signed-off-by: Sam Protsenko Cc: stable@vger.kernel.org Link: https://lore.kernel.org/r/20240306232052.21317-1-semen.protsenko@linaro.org Signed-off-by: Ulf Hansson Signed-off-by: Greg Kroah-Hartman --- drivers/mmc/host/dw_mmc.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/mmc/host/dw_mmc.c b/drivers/mmc/host/dw_mmc.c index 4da525f9c11f..dc7a5ad41c42 100644 --- a/drivers/mmc/host/dw_mmc.c +++ b/drivers/mmc/host/dw_mmc.c @@ -2826,8 +2826,8 @@ static int dw_mci_init_slot(struct dw_mci *host) if (host->use_dma == TRANS_MODE_IDMAC) { mmc->max_segs = host->ring_size; mmc->max_blk_size = 65535; - mmc->max_seg_size = 0x1000; - mmc->max_req_size = mmc->max_seg_size * host->ring_size; + mmc->max_req_size = DW_MCI_DESC_DATA_LENGTH * host->ring_size; + mmc->max_seg_size = mmc->max_req_size; mmc->max_blk_count = mmc->max_req_size / 512; } else if (host->use_dma == TRANS_MODE_EDMAC) { mmc->max_segs = 64; From 4be36d9d18712ba6842f477dfae5f6a183b5be04 Mon Sep 17 00:00:00 2001 From: Liao Chen Date: Mon, 26 Aug 2024 12:48:51 +0000 Subject: [PATCH 564/702] mmc: sdhci-of-aspeed: fix module autoloading commit 6e540da4c1db7b840e347c4dfe48359b18b7e376 upstream. Add MODULE_DEVICE_TABLE(), so modules could be properly autoloaded based on the alias from of_device_id table. Signed-off-by: Liao Chen Acked-by: Andrew Jeffery Fixes: bb7b8ec62dfb ("mmc: sdhci-of-aspeed: Add support for the ASPEED SD controller") Cc: stable@vger.kernel.org Link: https://lore.kernel.org/r/20240826124851.379759-1-liaochen4@huawei.com Signed-off-by: Ulf Hansson Signed-off-by: Greg Kroah-Hartman --- drivers/mmc/host/sdhci-of-aspeed.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/mmc/host/sdhci-of-aspeed.c b/drivers/mmc/host/sdhci-of-aspeed.c index 4f008ba3280e..60810de52d4d 100644 --- a/drivers/mmc/host/sdhci-of-aspeed.c +++ b/drivers/mmc/host/sdhci-of-aspeed.c @@ -236,6 +236,7 @@ static const struct of_device_id aspeed_sdhci_of_match[] = { { .compatible = "aspeed,ast2600-sdhci", }, { } }; +MODULE_DEVICE_TABLE(of, aspeed_sdhci_of_match); static struct platform_driver aspeed_sdhci_driver = { .driver = { From 9d38c704b4254b0c19b93cfc7df3065a73c9958f Mon Sep 17 00:00:00 2001 From: Joanne Koong Date: Mon, 26 Aug 2024 14:19:04 -0700 Subject: [PATCH 565/702] fuse: update stats for pages in dropped aux writeback list commit f7790d67785302b3116bbbfda62a5a44524601a3 upstream. In the case where the aux writeback list is dropped (e.g. the pages have been truncated or the connection is broken), the stats for its pages and backing device info need to be updated as well. Fixes: e2653bd53a98 ("fuse: fix leaked aux requests") Signed-off-by: Joanne Koong Reviewed-by: Josef Bacik Cc: # v5.1 Signed-off-by: Miklos Szeredi Signed-off-by: Greg Kroah-Hartman --- fs/fuse/file.c | 8 +++++++- 1 file changed, 7 insertions(+), 1 deletion(-) diff --git a/fs/fuse/file.c b/fs/fuse/file.c index 13d97547eaf6..fd7263ed25b9 100644 --- a/fs/fuse/file.c +++ b/fs/fuse/file.c @@ -1692,10 +1692,16 @@ __acquires(fi->lock) fuse_writepage_finish(fm, wpa); spin_unlock(&fi->lock); - /* After fuse_writepage_finish() aux request list is private */ + /* After rb_erase() aux request list is private */ for (aux = wpa->next; aux; aux = next) { + struct backing_dev_info *bdi = inode_to_bdi(aux->inode); + next = aux->next; aux->next = NULL; + + dec_wb_stat(&bdi->wb, WB_WRITEBACK); + dec_node_page_state(aux->ia.ap.pages[0], NR_WRITEBACK_TEMP); + wb_writeout_inc(&bdi->wb); fuse_writepage_free(aux); } From 0811d57384b8f2e859a3b45728cf480e8288f9a5 Mon Sep 17 00:00:00 2001 From: Jann Horn Date: Mon, 19 Aug 2024 19:52:30 +0200 Subject: [PATCH 566/702] fuse: use unsigned type for getxattr/listxattr size truncation commit b18915248a15eae7d901262f108d6ff0ffb4ffc1 upstream. The existing code uses min_t(ssize_t, outarg.size, XATTR_LIST_MAX) when parsing the FUSE daemon's response to a zero-length getxattr/listxattr request. On 32-bit kernels, where ssize_t and outarg.size are the same size, this is wrong: The min_t() will pass through any size values that are negative when interpreted as signed. fuse_listxattr() will then return this userspace-supplied negative value, which callers will treat as an error value. This kind of bug pattern can lead to fairly bad security bugs because of how error codes are used in the Linux kernel. If a caller were to convert the numeric error into an error pointer, like so: struct foo *func(...) { int len = fuse_getxattr(..., NULL, 0); if (len < 0) return ERR_PTR(len); ... } then it would end up returning this userspace-supplied negative value cast to a pointer - but the caller of this function wouldn't recognize it as an error pointer (IS_ERR_VALUE() only detects values in the narrow range in which legitimate errno values are), and so it would just be treated as a kernel pointer. I think there is at least one theoretical codepath where this could happen, but that path would involve virtio-fs with submounts plus some weird SELinux configuration, so I think it's probably not a concern in practice. Cc: stable@vger.kernel.org # v4.9 Fixes: 63401ccdb2ca ("fuse: limit xattr returned size") Signed-off-by: Jann Horn Signed-off-by: Miklos Szeredi Signed-off-by: Greg Kroah-Hartman --- fs/fuse/xattr.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/fs/fuse/xattr.c b/fs/fuse/xattr.c index cdea18de94f7..314e460ce679 100644 --- a/fs/fuse/xattr.c +++ b/fs/fuse/xattr.c @@ -79,7 +79,7 @@ ssize_t fuse_getxattr(struct inode *inode, const char *name, void *value, } ret = fuse_simple_request(fm, &args); if (!ret && !size) - ret = min_t(ssize_t, outarg.size, XATTR_SIZE_MAX); + ret = min_t(size_t, outarg.size, XATTR_SIZE_MAX); if (ret == -ENOSYS) { fm->fc->no_getxattr = 1; ret = -EOPNOTSUPP; @@ -141,7 +141,7 @@ ssize_t fuse_listxattr(struct dentry *entry, char *list, size_t size) } ret = fuse_simple_request(fm, &args); if (!ret && !size) - ret = min_t(ssize_t, outarg.size, XATTR_LIST_MAX); + ret = min_t(size_t, outarg.size, XATTR_LIST_MAX); if (ret > 0 && size) ret = fuse_verify_xattr_list(list, ret); if (ret == -ENOSYS) { From f540bc71d582f40f6a57198dd3b7a1fc5385f9b5 Mon Sep 17 00:00:00 2001 From: Satya Priya Kakitapalli Date: Wed, 31 Jul 2024 11:59:09 +0530 Subject: [PATCH 567/702] clk: qcom: clk-alpha-pll: Fix the pll post div mask commit 2c4553e6c485a96b5d86989eb9654bf20e51e6dd upstream. The PLL_POST_DIV_MASK should be 0 to (width - 1) bits. Fix it. Fixes: 1c3541145cbf ("clk: qcom: support for 2 bit PLL post divider") Cc: stable@vger.kernel.org Reviewed-by: Konrad Dybcio Signed-off-by: Satya Priya Kakitapalli Link: https://lore.kernel.org/r/20240731062916.2680823-2-quic_skakitap@quicinc.com Signed-off-by: Bjorn Andersson Signed-off-by: Greg Kroah-Hartman --- drivers/clk/qcom/clk-alpha-pll.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/clk/qcom/clk-alpha-pll.c b/drivers/clk/qcom/clk-alpha-pll.c index cf265ab035ea..68f192bd1343 100644 --- a/drivers/clk/qcom/clk-alpha-pll.c +++ b/drivers/clk/qcom/clk-alpha-pll.c @@ -38,7 +38,7 @@ #define PLL_USER_CTL(p) ((p)->offset + (p)->regs[PLL_OFF_USER_CTL]) # define PLL_POST_DIV_SHIFT 8 -# define PLL_POST_DIV_MASK(p) GENMASK((p)->width, 0) +# define PLL_POST_DIV_MASK(p) GENMASK((p)->width - 1, 0) # define PLL_ALPHA_EN BIT(24) # define PLL_ALPHA_MODE BIT(25) # define PLL_VCO_SHIFT 20 From 6949a97f6d40b7d8cb858c98477702ba0d2ddf87 Mon Sep 17 00:00:00 2001 From: Satya Priya Kakitapalli Date: Wed, 31 Jul 2024 11:59:10 +0530 Subject: [PATCH 568/702] clk: qcom: clk-alpha-pll: Fix the trion pll postdiv set rate API commit 4ad1ed6ef27cab94888bb3c740c14042d5c0dff2 upstream. Correct the pll postdiv shift used in clk_trion_pll_postdiv_set_rate API. The shift value is not same for different types of plls and should be taken from the pll's .post_div_shift member. Fixes: 548a909597d5 ("clk: qcom: clk-alpha-pll: Add support for Trion PLLs") Cc: stable@vger.kernel.org Signed-off-by: Satya Priya Kakitapalli Reviewed-by: Dmitry Baryshkov Link: https://lore.kernel.org/r/20240731062916.2680823-3-quic_skakitap@quicinc.com Signed-off-by: Bjorn Andersson Signed-off-by: Greg Kroah-Hartman --- drivers/clk/qcom/clk-alpha-pll.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/clk/qcom/clk-alpha-pll.c b/drivers/clk/qcom/clk-alpha-pll.c index 68f192bd1343..095ad50fd363 100644 --- a/drivers/clk/qcom/clk-alpha-pll.c +++ b/drivers/clk/qcom/clk-alpha-pll.c @@ -1321,8 +1321,8 @@ clk_trion_pll_postdiv_set_rate(struct clk_hw *hw, unsigned long rate, } return regmap_update_bits(regmap, PLL_USER_CTL(pll), - PLL_POST_DIV_MASK(pll) << PLL_POST_DIV_SHIFT, - val << PLL_POST_DIV_SHIFT); + PLL_POST_DIV_MASK(pll) << pll->post_div_shift, + val << pll->post_div_shift); } const struct clk_ops clk_alpha_pll_postdiv_trion_ops = { From 3a49b6b1caf5cefc05264d29079d52c99cb188e0 Mon Sep 17 00:00:00 2001 From: Simon Arlott Date: Thu, 22 Aug 2024 08:25:07 +0100 Subject: [PATCH 569/702] can: mcp251x: fix deadlock if an interrupt occurs during mcp251x_open commit 7dd9c26bd6cf679bcfdef01a8659791aa6487a29 upstream. The mcp251x_hw_wake() function is called with the mpc_lock mutex held and disables the interrupt handler so that no interrupts can be processed while waking the device. If an interrupt has already occurred then waiting for the interrupt handler to complete will deadlock because it will be trying to acquire the same mutex. CPU0 CPU1 ---- ---- mcp251x_open() mutex_lock(&priv->mcp_lock) request_threaded_irq() mcp251x_can_ist() mutex_lock(&priv->mcp_lock) mcp251x_hw_wake() disable_irq() <-- deadlock Use disable_irq_nosync() instead because the interrupt handler does everything while holding the mutex so it doesn't matter if it's still running. Fixes: 8ce8c0abcba3 ("can: mcp251x: only reset hardware as required") Signed-off-by: Simon Arlott Reviewed-by: Przemek Kitszel Cc: stable@vger.kernel.org Link: https://lore.kernel.org/all/4fc08687-1d80-43fe-9f0d-8ef8475e75f6@0882a8b5-c6c3-11e9-b005-00805fc181fe.uuid.home.arpa Signed-off-by: Marc Kleine-Budde Signed-off-by: Greg Kroah-Hartman --- drivers/net/can/spi/mcp251x.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/net/can/spi/mcp251x.c b/drivers/net/can/spi/mcp251x.c index ffcb04aac972..88d065718e99 100644 --- a/drivers/net/can/spi/mcp251x.c +++ b/drivers/net/can/spi/mcp251x.c @@ -755,7 +755,7 @@ static int mcp251x_hw_wake(struct spi_device *spi) int ret; /* Force wakeup interrupt to wake device, but don't execute IST */ - disable_irq(spi->irq); + disable_irq_nosync(spi->irq); mcp251x_write_2regs(spi, CANINTE, CANINTE_WAKIE, CANINTF_WAKIF); /* Wait for oscillator startup timer after wake up */ From e3ad85c47777b90c9e346c133a78e63b5ef9ff81 Mon Sep 17 00:00:00 2001 From: Zheng Yejian Date: Tue, 27 Aug 2024 20:46:54 +0800 Subject: [PATCH 570/702] tracing: Avoid possible softlockup in tracing_iter_reset() commit 49aa8a1f4d6800721c7971ed383078257f12e8f9 upstream. In __tracing_open(), when max latency tracers took place on the cpu, the time start of its buffer would be updated, then event entries with timestamps being earlier than start of the buffer would be skipped (see tracing_iter_reset()). Softlockup will occur if the kernel is non-preemptible and too many entries were skipped in the loop that reset every cpu buffer, so add cond_resched() to avoid it. Cc: stable@vger.kernel.org Fixes: 2f26ebd549b9a ("tracing: use timestamp to determine start of latency traces") Link: https://lore.kernel.org/20240827124654.3817443-1-zhengyejian@huaweicloud.com Suggested-by: Steven Rostedt Signed-off-by: Zheng Yejian Signed-off-by: Steven Rostedt (Google) Signed-off-by: Greg Kroah-Hartman --- kernel/trace/trace.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/kernel/trace/trace.c b/kernel/trace/trace.c index 22e1e5711869..b16291f4c573 100644 --- a/kernel/trace/trace.c +++ b/kernel/trace/trace.c @@ -3742,6 +3742,8 @@ void tracing_iter_reset(struct trace_iterator *iter, int cpu) break; entries++; ring_buffer_iter_advance(buf_iter); + /* This could be a big loop */ + cond_resched(); } per_cpu_ptr(iter->array_buffer->data, cpu)->skipped_entries = entries; From 93ee345ba349922834e6a9d1dadabaedcc12dce6 Mon Sep 17 00:00:00 2001 From: Eric Dumazet Date: Wed, 4 Sep 2024 14:44:18 +0000 Subject: [PATCH 571/702] ila: call nf_unregister_net_hooks() sooner commit 031ae72825cef43e4650140b800ad58bf7a6a466 upstream. syzbot found an use-after-free Read in ila_nf_input [1] Issue here is that ila_xlat_exit_net() frees the rhashtable, then call nf_unregister_net_hooks(). It should be done in the reverse way, with a synchronize_rcu(). This is a good match for a pre_exit() method. [1] BUG: KASAN: use-after-free in rht_key_hashfn include/linux/rhashtable.h:159 [inline] BUG: KASAN: use-after-free in __rhashtable_lookup include/linux/rhashtable.h:604 [inline] BUG: KASAN: use-after-free in rhashtable_lookup include/linux/rhashtable.h:646 [inline] BUG: KASAN: use-after-free in rhashtable_lookup_fast+0x77a/0x9b0 include/linux/rhashtable.h:672 Read of size 4 at addr ffff888064620008 by task ksoftirqd/0/16 CPU: 0 UID: 0 PID: 16 Comm: ksoftirqd/0 Not tainted 6.11.0-rc4-syzkaller-00238-g2ad6d23f465a #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/06/2024 Call Trace: __dump_stack lib/dump_stack.c:93 [inline] dump_stack_lvl+0x241/0x360 lib/dump_stack.c:119 print_address_description mm/kasan/report.c:377 [inline] print_report+0x169/0x550 mm/kasan/report.c:488 kasan_report+0x143/0x180 mm/kasan/report.c:601 rht_key_hashfn include/linux/rhashtable.h:159 [inline] __rhashtable_lookup include/linux/rhashtable.h:604 [inline] rhashtable_lookup include/linux/rhashtable.h:646 [inline] rhashtable_lookup_fast+0x77a/0x9b0 include/linux/rhashtable.h:672 ila_lookup_wildcards net/ipv6/ila/ila_xlat.c:132 [inline] ila_xlat_addr net/ipv6/ila/ila_xlat.c:652 [inline] ila_nf_input+0x1fe/0x3c0 net/ipv6/ila/ila_xlat.c:190 nf_hook_entry_hookfn include/linux/netfilter.h:154 [inline] nf_hook_slow+0xc3/0x220 net/netfilter/core.c:626 nf_hook include/linux/netfilter.h:269 [inline] NF_HOOK+0x29e/0x450 include/linux/netfilter.h:312 __netif_receive_skb_one_core net/core/dev.c:5661 [inline] __netif_receive_skb+0x1ea/0x650 net/core/dev.c:5775 process_backlog+0x662/0x15b0 net/core/dev.c:6108 __napi_poll+0xcb/0x490 net/core/dev.c:6772 napi_poll net/core/dev.c:6841 [inline] net_rx_action+0x89b/0x1240 net/core/dev.c:6963 handle_softirqs+0x2c4/0x970 kernel/softirq.c:554 run_ksoftirqd+0xca/0x130 kernel/softirq.c:928 smpboot_thread_fn+0x544/0xa30 kernel/smpboot.c:164 kthread+0x2f0/0x390 kernel/kthread.c:389 ret_from_fork+0x4b/0x80 arch/x86/kernel/process.c:147 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244 The buggy address belongs to the physical page: page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x64620 flags: 0xfff00000000000(node=0|zone=1|lastcpupid=0x7ff) page_type: 0xbfffffff(buddy) raw: 00fff00000000000 ffffea0000959608 ffffea00019d9408 0000000000000000 raw: 0000000000000000 0000000000000003 00000000bfffffff 0000000000000000 page dumped because: kasan: bad access detected page_owner tracks the page as freed page last allocated via order 3, migratetype Unmovable, gfp_mask 0x52dc0(GFP_KERNEL|__GFP_NOWARN|__GFP_NORETRY|__GFP_COMP|__GFP_ZERO), pid 5242, tgid 5242 (syz-executor), ts 73611328570, free_ts 618981657187 set_page_owner include/linux/page_owner.h:32 [inline] post_alloc_hook+0x1f3/0x230 mm/page_alloc.c:1493 prep_new_page mm/page_alloc.c:1501 [inline] get_page_from_freelist+0x2e4c/0x2f10 mm/page_alloc.c:3439 __alloc_pages_noprof+0x256/0x6c0 mm/page_alloc.c:4695 __alloc_pages_node_noprof include/linux/gfp.h:269 [inline] alloc_pages_node_noprof include/linux/gfp.h:296 [inline] ___kmalloc_large_node+0x8b/0x1d0 mm/slub.c:4103 __kmalloc_large_node_noprof+0x1a/0x80 mm/slub.c:4130 __do_kmalloc_node mm/slub.c:4146 [inline] __kmalloc_node_noprof+0x2d2/0x440 mm/slub.c:4164 __kvmalloc_node_noprof+0x72/0x190 mm/util.c:650 bucket_table_alloc lib/rhashtable.c:186 [inline] rhashtable_init_noprof+0x534/0xa60 lib/rhashtable.c:1071 ila_xlat_init_net+0xa0/0x110 net/ipv6/ila/ila_xlat.c:613 ops_init+0x359/0x610 net/core/net_namespace.c:139 setup_net+0x515/0xca0 net/core/net_namespace.c:343 copy_net_ns+0x4e2/0x7b0 net/core/net_namespace.c:508 create_new_namespaces+0x425/0x7b0 kernel/nsproxy.c:110 unshare_nsproxy_namespaces+0x124/0x180 kernel/nsproxy.c:228 ksys_unshare+0x619/0xc10 kernel/fork.c:3328 __do_sys_unshare kernel/fork.c:3399 [inline] __se_sys_unshare kernel/fork.c:3397 [inline] __x64_sys_unshare+0x38/0x40 kernel/fork.c:3397 page last free pid 11846 tgid 11846 stack trace: reset_page_owner include/linux/page_owner.h:25 [inline] free_pages_prepare mm/page_alloc.c:1094 [inline] free_unref_page+0xd22/0xea0 mm/page_alloc.c:2612 __folio_put+0x2c8/0x440 mm/swap.c:128 folio_put include/linux/mm.h:1486 [inline] free_large_kmalloc+0x105/0x1c0 mm/slub.c:4565 kfree+0x1c4/0x360 mm/slub.c:4588 rhashtable_free_and_destroy+0x7c6/0x920 lib/rhashtable.c:1169 ila_xlat_exit_net+0x55/0x110 net/ipv6/ila/ila_xlat.c:626 ops_exit_list net/core/net_namespace.c:173 [inline] cleanup_net+0x802/0xcc0 net/core/net_namespace.c:640 process_one_work kernel/workqueue.c:3231 [inline] process_scheduled_works+0xa2c/0x1830 kernel/workqueue.c:3312 worker_thread+0x86d/0xd40 kernel/workqueue.c:3390 kthread+0x2f0/0x390 kernel/kthread.c:389 ret_from_fork+0x4b/0x80 arch/x86/kernel/process.c:147 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244 Memory state around the buggy address: ffff88806461ff00: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc ffff88806461ff80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc >ffff888064620000: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ^ ffff888064620080: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ffff888064620100: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff Fixes: 7f00feaf1076 ("ila: Add generic ILA translation facility") Reported-by: syzbot Signed-off-by: Eric Dumazet Cc: Tom Herbert Reviewed-by: Florian Westphal Link: https://patch.msgid.link/20240904144418.1162839-1-edumazet@google.com Signed-off-by: Jakub Kicinski Signed-off-by: Greg Kroah-Hartman --- net/ipv6/ila/ila.h | 1 + net/ipv6/ila/ila_main.c | 6 ++++++ net/ipv6/ila/ila_xlat.c | 13 +++++++++---- 3 files changed, 16 insertions(+), 4 deletions(-) diff --git a/net/ipv6/ila/ila.h b/net/ipv6/ila/ila.h index ad5f6f6ba333..85b92917849b 100644 --- a/net/ipv6/ila/ila.h +++ b/net/ipv6/ila/ila.h @@ -108,6 +108,7 @@ int ila_lwt_init(void); void ila_lwt_fini(void); int ila_xlat_init_net(struct net *net); +void ila_xlat_pre_exit_net(struct net *net); void ila_xlat_exit_net(struct net *net); int ila_xlat_nl_cmd_add_mapping(struct sk_buff *skb, struct genl_info *info); diff --git a/net/ipv6/ila/ila_main.c b/net/ipv6/ila/ila_main.c index 36c58aa257e8..a5b0365c5e48 100644 --- a/net/ipv6/ila/ila_main.c +++ b/net/ipv6/ila/ila_main.c @@ -71,6 +71,11 @@ static __net_init int ila_init_net(struct net *net) return err; } +static __net_exit void ila_pre_exit_net(struct net *net) +{ + ila_xlat_pre_exit_net(net); +} + static __net_exit void ila_exit_net(struct net *net) { ila_xlat_exit_net(net); @@ -78,6 +83,7 @@ static __net_exit void ila_exit_net(struct net *net) static struct pernet_operations ila_net_ops = { .init = ila_init_net, + .pre_exit = ila_pre_exit_net, .exit = ila_exit_net, .id = &ila_net_id, .size = sizeof(struct ila_net), diff --git a/net/ipv6/ila/ila_xlat.c b/net/ipv6/ila/ila_xlat.c index 163668531a57..1f7b674b7c58 100644 --- a/net/ipv6/ila/ila_xlat.c +++ b/net/ipv6/ila/ila_xlat.c @@ -616,6 +616,15 @@ int ila_xlat_init_net(struct net *net) return 0; } +void ila_xlat_pre_exit_net(struct net *net) +{ + struct ila_net *ilan = net_generic(net, ila_net_id); + + if (ilan->xlat.hooks_registered) + nf_unregister_net_hooks(net, ila_nf_hook_ops, + ARRAY_SIZE(ila_nf_hook_ops)); +} + void ila_xlat_exit_net(struct net *net) { struct ila_net *ilan = net_generic(net, ila_net_id); @@ -623,10 +632,6 @@ void ila_xlat_exit_net(struct net *net) rhashtable_free_and_destroy(&ilan->xlat.rhash_table, ila_free_cb, NULL); free_bucket_spinlocks(ilan->xlat.locks); - - if (ilan->xlat.hooks_registered) - nf_unregister_net_hooks(net, ila_nf_hook_ops, - ARRAY_SIZE(ila_nf_hook_ops)); } static int ila_xlat_addr(struct sk_buff *skb, bool sir2ila) From 7725152b54d295b7da5e34c2f419539b30d017bd Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Toke=20H=C3=B8iland-J=C3=B8rgensen?= Date: Tue, 3 Sep 2024 18:08:45 +0200 Subject: [PATCH 572/702] sched: sch_cake: fix bulk flow accounting logic for host fairness MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit commit 546ea84d07e3e324644025e2aae2d12ea4c5896e upstream. In sch_cake, we keep track of the count of active bulk flows per host, when running in dst/src host fairness mode, which is used as the round-robin weight when iterating through flows. The count of active bulk flows is updated whenever a flow changes state. This has a peculiar interaction with the hash collision handling: when a hash collision occurs (after the set-associative hashing), the state of the hash bucket is simply updated to match the new packet that collided, and if host fairness is enabled, that also means assigning new per-host state to the flow. For this reason, the bulk flow counters of the host(s) assigned to the flow are decremented, before new state is assigned (and the counters, which may not belong to the same host anymore, are incremented again). Back when this code was introduced, the host fairness mode was always enabled, so the decrement was unconditional. When the configuration flags were introduced the *increment* was made conditional, but the *decrement* was not. Which of course can lead to a spurious decrement (and associated wrap-around to U16_MAX). AFAICT, when host fairness is disabled, the decrement and wrap-around happens as soon as a hash collision occurs (which is not that common in itself, due to the set-associative hashing). However, in most cases this is harmless, as the value is only used when host fairness mode is enabled. So in order to trigger an array overflow, sch_cake has to first be configured with host fairness disabled, and while running in this mode, a hash collision has to occur to cause the overflow. Then, the qdisc has to be reconfigured to enable host fairness, which leads to the array out-of-bounds because the wrapped-around value is retained and used as an array index. It seems that syzbot managed to trigger this, which is quite impressive in its own right. This patch fixes the issue by introducing the same conditional check on decrement as is used on increment. The original bug predates the upstreaming of cake, but the commit listed in the Fixes tag touched that code, meaning that this patch won't apply before that. Fixes: 712639929912 ("sch_cake: Make the dual modes fairer") Reported-by: syzbot+7fe7b81d602cc1e6b94d@syzkaller.appspotmail.com Signed-off-by: Toke Høiland-Jørgensen Link: https://patch.msgid.link/20240903160846.20909-1-toke@redhat.com Signed-off-by: Paolo Abeni Signed-off-by: Greg Kroah-Hartman --- net/sched/sch_cake.c | 11 +++++++---- 1 file changed, 7 insertions(+), 4 deletions(-) diff --git a/net/sched/sch_cake.c b/net/sched/sch_cake.c index 5dc7a3c310c9..4ddb43a6644a 100644 --- a/net/sched/sch_cake.c +++ b/net/sched/sch_cake.c @@ -785,12 +785,15 @@ static u32 cake_hash(struct cake_tin_data *q, const struct sk_buff *skb, * queue, accept the collision, update the host tags. */ q->way_collisions++; - if (q->flows[outer_hash + k].set == CAKE_SET_BULK) { - q->hosts[q->flows[reduced_hash].srchost].srchost_bulk_flow_count--; - q->hosts[q->flows[reduced_hash].dsthost].dsthost_bulk_flow_count--; - } allocate_src = cake_dsrc(flow_mode); allocate_dst = cake_ddst(flow_mode); + + if (q->flows[outer_hash + k].set == CAKE_SET_BULK) { + if (allocate_src) + q->hosts[q->flows[reduced_hash].srchost].srchost_bulk_flow_count--; + if (allocate_dst) + q->hosts[q->flows[reduced_hash].dsthost].dsthost_bulk_flow_count--; + } found: /* reserve queue for future packets in same flow */ reduced_hash = outer_hash + k; From 07e4dc2fe000ab008bcfe90be4324ef56b5b4355 Mon Sep 17 00:00:00 2001 From: Ryusuke Konishi Date: Sat, 10 Aug 2024 15:52:42 +0900 Subject: [PATCH 573/702] nilfs2: fix missing cleanup on rollforward recovery error commit 5787fcaab9eb5930f5378d6a1dd03d916d146622 upstream. In an error injection test of a routine for mount-time recovery, KASAN found a use-after-free bug. It turned out that if data recovery was performed using partial logs created by dsync writes, but an error occurred before starting the log writer to create a recovered checkpoint, the inodes whose data had been recovered were left in the ns_dirty_files list of the nilfs object and were not freed. Fix this issue by cleaning up inodes that have read the recovery data if the recovery routine fails midway before the log writer starts. Link: https://lkml.kernel.org/r/20240810065242.3701-1-konishi.ryusuke@gmail.com Fixes: 0f3e1c7f23f8 ("nilfs2: recovery functions") Signed-off-by: Ryusuke Konishi Tested-by: Ryusuke Konishi Cc: Signed-off-by: Andrew Morton Signed-off-by: Greg Kroah-Hartman --- fs/nilfs2/recovery.c | 35 +++++++++++++++++++++++++++++++++-- 1 file changed, 33 insertions(+), 2 deletions(-) diff --git a/fs/nilfs2/recovery.c b/fs/nilfs2/recovery.c index 188b8cc52e2b..33c4a97519de 100644 --- a/fs/nilfs2/recovery.c +++ b/fs/nilfs2/recovery.c @@ -708,6 +708,33 @@ static void nilfs_finish_roll_forward(struct the_nilfs *nilfs, brelse(bh); } +/** + * nilfs_abort_roll_forward - cleaning up after a failed rollforward recovery + * @nilfs: nilfs object + */ +static void nilfs_abort_roll_forward(struct the_nilfs *nilfs) +{ + struct nilfs_inode_info *ii, *n; + LIST_HEAD(head); + + /* Abandon inodes that have read recovery data */ + spin_lock(&nilfs->ns_inode_lock); + list_splice_init(&nilfs->ns_dirty_files, &head); + spin_unlock(&nilfs->ns_inode_lock); + if (list_empty(&head)) + return; + + set_nilfs_purging(nilfs); + list_for_each_entry_safe(ii, n, &head, i_dirty) { + spin_lock(&nilfs->ns_inode_lock); + list_del_init(&ii->i_dirty); + spin_unlock(&nilfs->ns_inode_lock); + + iput(&ii->vfs_inode); + } + clear_nilfs_purging(nilfs); +} + /** * nilfs_salvage_orphan_logs - salvage logs written after the latest checkpoint * @nilfs: nilfs object @@ -766,15 +793,19 @@ int nilfs_salvage_orphan_logs(struct the_nilfs *nilfs, if (unlikely(err)) { nilfs_err(sb, "error %d writing segment for recovery", err); - goto failed; + goto put_root; } nilfs_finish_roll_forward(nilfs, ri); } - failed: +put_root: nilfs_put_root(root); return err; + +failed: + nilfs_abort_roll_forward(nilfs); + goto put_root; } /** From 4e18b58b106e34ac69d3052dd91f520bd83cf2fc Mon Sep 17 00:00:00 2001 From: Jeff Layton Date: Thu, 5 Sep 2024 11:30:43 -0400 Subject: [PATCH 574/702] nfsd: move reply cache initialization into nfsd startup [ Upstream commit f5f9d4a314da88c0a5faa6d168bf69081b7a25ae ] There's no need to start the reply cache before nfsd is up and running, and doing so means that we register a shrinker for every net namespace instead of just the ones where nfsd is running. Move it to the per-net nfsd startup instead. Reported-by: Dai Ngo Signed-off-by: Jeff Layton Stable-dep-of: ed9ab7346e90 ("nfsd: move init of percpu reply_cache_stats counters back to nfsd_init_net") Signed-off-by: Chuck Lever Signed-off-by: Greg Kroah-Hartman --- fs/nfsd/nfsctl.c | 8 -------- fs/nfsd/nfssvc.c | 10 +++++++++- 2 files changed, 9 insertions(+), 9 deletions(-) diff --git a/fs/nfsd/nfsctl.c b/fs/nfsd/nfsctl.c index f77f00c93172..1c39a4e6294d 100644 --- a/fs/nfsd/nfsctl.c +++ b/fs/nfsd/nfsctl.c @@ -1461,16 +1461,11 @@ static __net_init int nfsd_init_net(struct net *net) nn->nfsd_versions = NULL; nn->nfsd4_minorversions = NULL; nfsd4_init_leases_net(nn); - retval = nfsd_reply_cache_init(nn); - if (retval) - goto out_cache_error; get_random_bytes(&nn->siphash_key, sizeof(nn->siphash_key)); seqlock_init(&nn->writeverf_lock); return 0; -out_cache_error: - nfsd_idmap_shutdown(net); out_idmap_error: nfsd_export_shutdown(net); out_export_error: @@ -1479,9 +1474,6 @@ static __net_init int nfsd_init_net(struct net *net) static __net_exit void nfsd_exit_net(struct net *net) { - struct nfsd_net *nn = net_generic(net, nfsd_net_id); - - nfsd_reply_cache_shutdown(nn); nfsd_idmap_shutdown(net); nfsd_export_shutdown(net); nfsd_netns_free_versions(net_generic(net, nfsd_net_id)); diff --git a/fs/nfsd/nfssvc.c b/fs/nfsd/nfssvc.c index 3d4fd40c987b..a68e9904224a 100644 --- a/fs/nfsd/nfssvc.c +++ b/fs/nfsd/nfssvc.c @@ -427,16 +427,23 @@ static int nfsd_startup_net(struct net *net, const struct cred *cred) ret = nfsd_file_cache_start_net(net); if (ret) goto out_lockd; - ret = nfs4_state_start_net(net); + + ret = nfsd_reply_cache_init(nn); if (ret) goto out_filecache; + ret = nfs4_state_start_net(net); + if (ret) + goto out_reply_cache; + #ifdef CONFIG_NFSD_V4_2_INTER_SSC nfsd4_ssc_init_umount_work(nn); #endif nn->nfsd_net_up = true; return 0; +out_reply_cache: + nfsd_reply_cache_shutdown(nn); out_filecache: nfsd_file_cache_shutdown_net(net); out_lockd: @@ -454,6 +461,7 @@ static void nfsd_shutdown_net(struct net *net) struct nfsd_net *nn = net_generic(net, nfsd_net_id); nfs4_state_shutdown_net(net); + nfsd_reply_cache_shutdown(nn); nfsd_file_cache_shutdown_net(net); if (nn->lockd_up) { lockd_down(net); From 3025d489f9c8984d1bf5916c4a20097ed80fca5c Mon Sep 17 00:00:00 2001 From: Jeff Layton Date: Thu, 5 Sep 2024 11:30:44 -0400 Subject: [PATCH 575/702] nfsd: move init of percpu reply_cache_stats counters back to nfsd_init_net [ Upstream commit ed9ab7346e908496816cffdecd46932035f66e2e ] Commit f5f9d4a314da ("nfsd: move reply cache initialization into nfsd startup") moved the initialization of the reply cache into nfsd startup, but didn't account for the stats counters, which can be accessed before nfsd is ever started. The result can be a NULL pointer dereference when someone accesses /proc/fs/nfsd/reply_cache_stats while nfsd is still shut down. This is a regression and a user-triggerable oops in the right situation: - non-x86_64 arch - /proc/fs/nfsd is mounted in the namespace - nfsd is not started in the namespace - unprivileged user calls "cat /proc/fs/nfsd/reply_cache_stats" Although this is easy to trigger on some arches (like aarch64), on x86_64, calling this_cpu_ptr(NULL) evidently returns a pointer to the fixed_percpu_data. That struct looks just enough like a newly initialized percpu var to allow nfsd_reply_cache_stats_show to access it without Oopsing. Move the initialization of the per-net+per-cpu reply-cache counters back into nfsd_init_net, while leaving the rest of the reply cache allocations to be done at nfsd startup time. Kudos to Eirik who did most of the legwork to track this down. Cc: stable@vger.kernel.org # v6.3+ Fixes: f5f9d4a314da ("nfsd: move reply cache initialization into nfsd startup") Reported-and-tested-by: Eirik Fuller Closes: https://bugzilla.redhat.com/show_bug.cgi?id=2215429 Signed-off-by: Jeff Layton Stable-dep-of: 4b14885411f7 ("nfsd: make all of the nfsd stats per-network namespace") Signed-off-by: Chuck Lever Signed-off-by: Greg Kroah-Hartman --- fs/nfsd/cache.h | 2 ++ fs/nfsd/nfscache.c | 25 ++++++++++++++----------- fs/nfsd/nfsctl.c | 10 +++++++++- 3 files changed, 25 insertions(+), 12 deletions(-) diff --git a/fs/nfsd/cache.h b/fs/nfsd/cache.h index f21259ead64b..4c9b87850ab1 100644 --- a/fs/nfsd/cache.h +++ b/fs/nfsd/cache.h @@ -80,6 +80,8 @@ enum { int nfsd_drc_slab_create(void); void nfsd_drc_slab_free(void); +int nfsd_net_reply_cache_init(struct nfsd_net *nn); +void nfsd_net_reply_cache_destroy(struct nfsd_net *nn); int nfsd_reply_cache_init(struct nfsd_net *); void nfsd_reply_cache_shutdown(struct nfsd_net *); int nfsd_cache_lookup(struct svc_rqst *); diff --git a/fs/nfsd/nfscache.c b/fs/nfsd/nfscache.c index 2b5417e06d80..587ff31deb6e 100644 --- a/fs/nfsd/nfscache.c +++ b/fs/nfsd/nfscache.c @@ -148,12 +148,23 @@ void nfsd_drc_slab_free(void) kmem_cache_destroy(drc_slab); } -static int nfsd_reply_cache_stats_init(struct nfsd_net *nn) +/** + * nfsd_net_reply_cache_init - per net namespace reply cache set-up + * @nn: nfsd_net being initialized + * + * Returns zero on succes; otherwise a negative errno is returned. + */ +int nfsd_net_reply_cache_init(struct nfsd_net *nn) { return nfsd_percpu_counters_init(nn->counter, NFSD_NET_COUNTERS_NUM); } -static void nfsd_reply_cache_stats_destroy(struct nfsd_net *nn) +/** + * nfsd_net_reply_cache_destroy - per net namespace reply cache tear-down + * @nn: nfsd_net being freed + * + */ +void nfsd_net_reply_cache_destroy(struct nfsd_net *nn) { nfsd_percpu_counters_destroy(nn->counter, NFSD_NET_COUNTERS_NUM); } @@ -169,16 +180,12 @@ int nfsd_reply_cache_init(struct nfsd_net *nn) hashsize = nfsd_hashsize(nn->max_drc_entries); nn->maskbits = ilog2(hashsize); - status = nfsd_reply_cache_stats_init(nn); - if (status) - goto out_nomem; - nn->nfsd_reply_cache_shrinker.scan_objects = nfsd_reply_cache_scan; nn->nfsd_reply_cache_shrinker.count_objects = nfsd_reply_cache_count; nn->nfsd_reply_cache_shrinker.seeks = 1; status = register_shrinker(&nn->nfsd_reply_cache_shrinker); if (status) - goto out_stats_destroy; + return status; nn->drc_hashtbl = kvzalloc(array_size(hashsize, sizeof(*nn->drc_hashtbl)), GFP_KERNEL); @@ -194,9 +201,6 @@ int nfsd_reply_cache_init(struct nfsd_net *nn) return 0; out_shrinker: unregister_shrinker(&nn->nfsd_reply_cache_shrinker); -out_stats_destroy: - nfsd_reply_cache_stats_destroy(nn); -out_nomem: printk(KERN_ERR "nfsd: failed to allocate reply cache\n"); return -ENOMEM; } @@ -216,7 +220,6 @@ void nfsd_reply_cache_shutdown(struct nfsd_net *nn) rp, nn); } } - nfsd_reply_cache_stats_destroy(nn); kvfree(nn->drc_hashtbl); nn->drc_hashtbl = NULL; diff --git a/fs/nfsd/nfsctl.c b/fs/nfsd/nfsctl.c index 1c39a4e6294d..cc538b8c0287 100644 --- a/fs/nfsd/nfsctl.c +++ b/fs/nfsd/nfsctl.c @@ -1458,6 +1458,9 @@ static __net_init int nfsd_init_net(struct net *net) retval = nfsd_idmap_init(net); if (retval) goto out_idmap_error; + retval = nfsd_net_reply_cache_init(nn); + if (retval) + goto out_repcache_error; nn->nfsd_versions = NULL; nn->nfsd4_minorversions = NULL; nfsd4_init_leases_net(nn); @@ -1466,6 +1469,8 @@ static __net_init int nfsd_init_net(struct net *net) return 0; +out_repcache_error: + nfsd_idmap_shutdown(net); out_idmap_error: nfsd_export_shutdown(net); out_export_error: @@ -1474,9 +1479,12 @@ static __net_init int nfsd_init_net(struct net *net) static __net_exit void nfsd_exit_net(struct net *net) { + struct nfsd_net *nn = net_generic(net, nfsd_net_id); + + nfsd_net_reply_cache_destroy(nn); nfsd_idmap_shutdown(net); nfsd_export_shutdown(net); - nfsd_netns_free_versions(net_generic(net, nfsd_net_id)); + nfsd_netns_free_versions(nn); } static struct pernet_operations nfsd_net_ops = { From 73b72f4b3b3ff914b339c60f5a3f7058ca65f540 Mon Sep 17 00:00:00 2001 From: Chuck Lever Date: Thu, 5 Sep 2024 11:30:45 -0400 Subject: [PATCH 576/702] NFSD: Refactor nfsd_reply_cache_free_locked() [ Upstream commit 35308e7f0fc3942edc87d9c6dc78c4a096428957 ] To reduce contention on the bucket locks, we must avoid calling kfree() while each bucket lock is held. Start by refactoring nfsd_reply_cache_free_locked() into a helper that removes an entry from the bucket (and must therefore run under the lock) and a second helper that frees the entry (which does not need to hold the lock). For readability, rename the helpers nfsd_cacherep_. Reviewed-by: Jeff Layton Stable-dep-of: a9507f6af145 ("NFSD: Replace nfsd_prune_bucket()") Signed-off-by: Chuck Lever Signed-off-by: Greg Kroah-Hartman --- fs/nfsd/nfscache.c | 29 +++++++++++++++++++++-------- 1 file changed, 21 insertions(+), 8 deletions(-) diff --git a/fs/nfsd/nfscache.c b/fs/nfsd/nfscache.c index 587ff31deb6e..d078366fd0f8 100644 --- a/fs/nfsd/nfscache.c +++ b/fs/nfsd/nfscache.c @@ -110,21 +110,33 @@ nfsd_reply_cache_alloc(struct svc_rqst *rqstp, __wsum csum, return rp; } -static void -nfsd_reply_cache_free_locked(struct nfsd_drc_bucket *b, struct svc_cacherep *rp, - struct nfsd_net *nn) +static void nfsd_cacherep_free(struct svc_cacherep *rp) { - if (rp->c_type == RC_REPLBUFF && rp->c_replvec.iov_base) { - nfsd_stats_drc_mem_usage_sub(nn, rp->c_replvec.iov_len); + if (rp->c_type == RC_REPLBUFF) kfree(rp->c_replvec.iov_base); - } + kmem_cache_free(drc_slab, rp); +} + +static void +nfsd_cacherep_unlink_locked(struct nfsd_net *nn, struct nfsd_drc_bucket *b, + struct svc_cacherep *rp) +{ + if (rp->c_type == RC_REPLBUFF && rp->c_replvec.iov_base) + nfsd_stats_drc_mem_usage_sub(nn, rp->c_replvec.iov_len); if (rp->c_state != RC_UNUSED) { rb_erase(&rp->c_node, &b->rb_head); list_del(&rp->c_lru); atomic_dec(&nn->num_drc_entries); nfsd_stats_drc_mem_usage_sub(nn, sizeof(*rp)); } - kmem_cache_free(drc_slab, rp); +} + +static void +nfsd_reply_cache_free_locked(struct nfsd_drc_bucket *b, struct svc_cacherep *rp, + struct nfsd_net *nn) +{ + nfsd_cacherep_unlink_locked(nn, b, rp); + nfsd_cacherep_free(rp); } static void @@ -132,8 +144,9 @@ nfsd_reply_cache_free(struct nfsd_drc_bucket *b, struct svc_cacherep *rp, struct nfsd_net *nn) { spin_lock(&b->cache_lock); - nfsd_reply_cache_free_locked(b, rp, nn); + nfsd_cacherep_unlink_locked(nn, b, rp); spin_unlock(&b->cache_lock); + nfsd_cacherep_free(rp); } int nfsd_drc_slab_create(void) From a02f9d6ea3c0beb7c26297041ac17ce55ec1dffe Mon Sep 17 00:00:00 2001 From: Chuck Lever Date: Thu, 5 Sep 2024 11:30:46 -0400 Subject: [PATCH 577/702] NFSD: Rename nfsd_reply_cache_alloc() [ Upstream commit ff0d169329768c1102b7b07eebe5a9839aa1c143 ] For readability, rename to match the other helpers. Reviewed-by: Jeff Layton Stable-dep-of: 4b14885411f7 ("nfsd: make all of the nfsd stats per-network namespace") Signed-off-by: Chuck Lever Signed-off-by: Greg Kroah-Hartman --- fs/nfsd/nfscache.c | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) diff --git a/fs/nfsd/nfscache.c b/fs/nfsd/nfscache.c index d078366fd0f8..938b37dc1679 100644 --- a/fs/nfsd/nfscache.c +++ b/fs/nfsd/nfscache.c @@ -85,8 +85,8 @@ nfsd_hashsize(unsigned int limit) } static struct svc_cacherep * -nfsd_reply_cache_alloc(struct svc_rqst *rqstp, __wsum csum, - struct nfsd_net *nn) +nfsd_cacherep_alloc(struct svc_rqst *rqstp, __wsum csum, + struct nfsd_net *nn) { struct svc_cacherep *rp; @@ -457,7 +457,7 @@ int nfsd_cache_lookup(struct svc_rqst *rqstp) * preallocate an entry. */ nn = net_generic(SVC_NET(rqstp), nfsd_net_id); - rp = nfsd_reply_cache_alloc(rqstp, csum, nn); + rp = nfsd_cacherep_alloc(rqstp, csum, nn); if (!rp) goto out; From 895807268a4dd0ef4bd91a19fbd898a9865bbcfc Mon Sep 17 00:00:00 2001 From: Chuck Lever Date: Thu, 5 Sep 2024 11:30:47 -0400 Subject: [PATCH 578/702] NFSD: Replace nfsd_prune_bucket() [ Upstream commit a9507f6af1450ed26a4a36d979af518f5bb21e5d ] Enable nfsd_prune_bucket() to drop the bucket lock while calling kfree(). Use the same pattern that Jeff recently introduced in the NFSD filecache. A few percpu operations are moved outside the lock since they temporarily disable local IRQs which is expensive and does not need to be done while the lock is held. Reviewed-by: Jeff Layton Stable-dep-of: c135e1269f34 ("NFSD: Refactor the duplicate reply cache shrinker") Signed-off-by: Chuck Lever Signed-off-by: Greg Kroah-Hartman --- fs/nfsd/nfscache.c | 78 +++++++++++++++++++++++++++++++++++++--------- fs/nfsd/trace.h | 22 +++++++++++++ 2 files changed, 85 insertions(+), 15 deletions(-) diff --git a/fs/nfsd/nfscache.c b/fs/nfsd/nfscache.c index 938b37dc1679..e60313ce0fb6 100644 --- a/fs/nfsd/nfscache.c +++ b/fs/nfsd/nfscache.c @@ -117,6 +117,21 @@ static void nfsd_cacherep_free(struct svc_cacherep *rp) kmem_cache_free(drc_slab, rp); } +static unsigned long +nfsd_cacherep_dispose(struct list_head *dispose) +{ + struct svc_cacherep *rp; + unsigned long freed = 0; + + while (!list_empty(dispose)) { + rp = list_first_entry(dispose, struct svc_cacherep, c_lru); + list_del(&rp->c_lru); + nfsd_cacherep_free(rp); + freed++; + } + return freed; +} + static void nfsd_cacherep_unlink_locked(struct nfsd_net *nn, struct nfsd_drc_bucket *b, struct svc_cacherep *rp) @@ -259,6 +274,41 @@ nfsd_cache_bucket_find(__be32 xid, struct nfsd_net *nn) return &nn->drc_hashtbl[hash]; } +/* + * Remove and return no more than @max expired entries in bucket @b. + * If @max is zero, do not limit the number of removed entries. + */ +static void +nfsd_prune_bucket_locked(struct nfsd_net *nn, struct nfsd_drc_bucket *b, + unsigned int max, struct list_head *dispose) +{ + unsigned long expiry = jiffies - RC_EXPIRE; + struct svc_cacherep *rp, *tmp; + unsigned int freed = 0; + + lockdep_assert_held(&b->cache_lock); + + /* The bucket LRU is ordered oldest-first. */ + list_for_each_entry_safe(rp, tmp, &b->lru_head, c_lru) { + /* + * Don't free entries attached to calls that are still + * in-progress, but do keep scanning the list. + */ + if (rp->c_state == RC_INPROG) + continue; + + if (atomic_read(&nn->num_drc_entries) <= nn->max_drc_entries && + time_before(expiry, rp->c_timestamp)) + break; + + nfsd_cacherep_unlink_locked(nn, b, rp); + list_add(&rp->c_lru, dispose); + + if (max && ++freed > max) + break; + } +} + static long prune_bucket(struct nfsd_drc_bucket *b, struct nfsd_net *nn, unsigned int max) { @@ -282,11 +332,6 @@ static long prune_bucket(struct nfsd_drc_bucket *b, struct nfsd_net *nn, return freed; } -static long nfsd_prune_bucket(struct nfsd_drc_bucket *b, struct nfsd_net *nn) -{ - return prune_bucket(b, nn, 3); -} - /* * Walk the LRU list and prune off entries that are older than RC_EXPIRE. * Also prune the oldest ones when the total exceeds the max number of entries. @@ -442,6 +487,8 @@ int nfsd_cache_lookup(struct svc_rqst *rqstp) __wsum csum; struct nfsd_drc_bucket *b; int type = rqstp->rq_cachetype; + unsigned long freed; + LIST_HEAD(dispose); int rtn = RC_DOIT; rqstp->rq_cacherep = NULL; @@ -466,20 +513,18 @@ int nfsd_cache_lookup(struct svc_rqst *rqstp) found = nfsd_cache_insert(b, rp, nn); if (found != rp) goto found_entry; - - nfsd_stats_rc_misses_inc(); rqstp->rq_cacherep = rp; rp->c_state = RC_INPROG; + nfsd_prune_bucket_locked(nn, b, 3, &dispose); + spin_unlock(&b->cache_lock); + freed = nfsd_cacherep_dispose(&dispose); + trace_nfsd_drc_gc(nn, freed); + + nfsd_stats_rc_misses_inc(); atomic_inc(&nn->num_drc_entries); nfsd_stats_drc_mem_usage_add(nn, sizeof(*rp)); - - nfsd_prune_bucket(b, nn); - -out_unlock: - spin_unlock(&b->cache_lock); -out: - return rtn; + goto out; found_entry: /* We found a matching entry which is either in progress or done. */ @@ -517,7 +562,10 @@ int nfsd_cache_lookup(struct svc_rqst *rqstp) out_trace: trace_nfsd_drc_found(nn, rqstp, rtn); - goto out_unlock; +out_unlock: + spin_unlock(&b->cache_lock); +out: + return rtn; } /** diff --git a/fs/nfsd/trace.h b/fs/nfsd/trace.h index 445d00f00eab..0e6c7ed9da1b 100644 --- a/fs/nfsd/trace.h +++ b/fs/nfsd/trace.h @@ -1171,6 +1171,28 @@ TRACE_EVENT(nfsd_drc_mismatch, __entry->ingress) ); +TRACE_EVENT_CONDITION(nfsd_drc_gc, + TP_PROTO( + const struct nfsd_net *nn, + unsigned long freed + ), + TP_ARGS(nn, freed), + TP_CONDITION(freed > 0), + TP_STRUCT__entry( + __field(unsigned long long, boot_time) + __field(unsigned long, freed) + __field(int, total) + ), + TP_fast_assign( + __entry->boot_time = nn->boot_time; + __entry->freed = freed; + __entry->total = atomic_read(&nn->num_drc_entries); + ), + TP_printk("boot_time=%16llx total=%d freed=%lu", + __entry->boot_time, __entry->total, __entry->freed + ) +); + TRACE_EVENT(nfsd_cb_args, TP_PROTO( const struct nfs4_client *clp, From ebfce8dd7e3f4e5e1c200a2e5a680d2c9fa63fa1 Mon Sep 17 00:00:00 2001 From: Chuck Lever Date: Thu, 5 Sep 2024 11:30:48 -0400 Subject: [PATCH 579/702] NFSD: Refactor the duplicate reply cache shrinker [ Upstream commit c135e1269f34dfdea4bd94c11060c83a3c0b3c12 ] Avoid holding the bucket lock while freeing cache entries. This change also caps the number of entries that are freed when the shrinker calls to reduce the shrinker's impact on the cache's effectiveness. Reviewed-by: Jeff Layton Signed-off-by: Chuck Lever Signed-off-by: Greg Kroah-Hartman --- fs/nfsd/nfscache.c | 86 ++++++++++++++++++++++------------------------ 1 file changed, 41 insertions(+), 45 deletions(-) diff --git a/fs/nfsd/nfscache.c b/fs/nfsd/nfscache.c index e60313ce0fb6..7e1a53c10a7c 100644 --- a/fs/nfsd/nfscache.c +++ b/fs/nfsd/nfscache.c @@ -309,51 +309,16 @@ nfsd_prune_bucket_locked(struct nfsd_net *nn, struct nfsd_drc_bucket *b, } } -static long prune_bucket(struct nfsd_drc_bucket *b, struct nfsd_net *nn, - unsigned int max) -{ - struct svc_cacherep *rp, *tmp; - long freed = 0; - - list_for_each_entry_safe(rp, tmp, &b->lru_head, c_lru) { - /* - * Don't free entries attached to calls that are still - * in-progress, but do keep scanning the list. - */ - if (rp->c_state == RC_INPROG) - continue; - if (atomic_read(&nn->num_drc_entries) <= nn->max_drc_entries && - time_before(jiffies, rp->c_timestamp + RC_EXPIRE)) - break; - nfsd_reply_cache_free_locked(b, rp, nn); - if (max && freed++ > max) - break; - } - return freed; -} - -/* - * Walk the LRU list and prune off entries that are older than RC_EXPIRE. - * Also prune the oldest ones when the total exceeds the max number of entries. +/** + * nfsd_reply_cache_count - count_objects method for the DRC shrinker + * @shrink: our registered shrinker context + * @sc: garbage collection parameters + * + * Returns the total number of entries in the duplicate reply cache. To + * keep things simple and quick, this is not the number of expired entries + * in the cache (ie, the number that would be removed by a call to + * nfsd_reply_cache_scan). */ -static long -prune_cache_entries(struct nfsd_net *nn) -{ - unsigned int i; - long freed = 0; - - for (i = 0; i < nn->drc_hashsize; i++) { - struct nfsd_drc_bucket *b = &nn->drc_hashtbl[i]; - - if (list_empty(&b->lru_head)) - continue; - spin_lock(&b->cache_lock); - freed += prune_bucket(b, nn, 0); - spin_unlock(&b->cache_lock); - } - return freed; -} - static unsigned long nfsd_reply_cache_count(struct shrinker *shrink, struct shrink_control *sc) { @@ -363,14 +328,45 @@ nfsd_reply_cache_count(struct shrinker *shrink, struct shrink_control *sc) return atomic_read(&nn->num_drc_entries); } +/** + * nfsd_reply_cache_scan - scan_objects method for the DRC shrinker + * @shrink: our registered shrinker context + * @sc: garbage collection parameters + * + * Free expired entries on each bucket's LRU list until we've released + * nr_to_scan freed objects. Nothing will be released if the cache + * has not exceeded it's max_drc_entries limit. + * + * Returns the number of entries released by this call. + */ static unsigned long nfsd_reply_cache_scan(struct shrinker *shrink, struct shrink_control *sc) { struct nfsd_net *nn = container_of(shrink, struct nfsd_net, nfsd_reply_cache_shrinker); + unsigned long freed = 0; + LIST_HEAD(dispose); + unsigned int i; - return prune_cache_entries(nn); + for (i = 0; i < nn->drc_hashsize; i++) { + struct nfsd_drc_bucket *b = &nn->drc_hashtbl[i]; + + if (list_empty(&b->lru_head)) + continue; + + spin_lock(&b->cache_lock); + nfsd_prune_bucket_locked(nn, b, 0, &dispose); + spin_unlock(&b->cache_lock); + + freed += nfsd_cacherep_dispose(&dispose); + if (freed > sc->nr_to_scan) + break; + } + + trace_nfsd_drc_gc(nn, freed); + return freed; } + /* * Walk an xdr_buf and get a CRC for at most the first RC_CSUMLEN bytes */ From c5322742027d014a5b5b71ee3c0e26f693133ff1 Mon Sep 17 00:00:00 2001 From: NeilBrown Date: Thu, 5 Sep 2024 11:30:49 -0400 Subject: [PATCH 580/702] NFSD: simplify error paths in nfsd_svc() [ Upstream commit bf32075256e9dd9c6b736859e2c5813981339908 ] The error paths in nfsd_svc() are needlessly complex and can result in a final call to svc_put() without nfsd_last_thread() being called. This results in the listening sockets not being closed properly. The per-netns setup provided by nfsd_startup_new() and removed by nfsd_shutdown_net() is needed precisely when there are running threads. So we don't need nfsd_up_before. We don't need to know if it *was* up. We only need to know if any threads are left. If none are, then we must call nfsd_shutdown_net(). But we don't need to do that explicitly as nfsd_last_thread() does that for us. So simply call nfsd_last_thread() before the last svc_put() if there are no running threads. That will always do the right thing. Also discard: pr_info("nfsd: last server has exited, flushing export cache\n"); It may not be true if an attempt to start the first server failed, and it isn't particularly helpful and it simply reports normal behaviour. Signed-off-by: NeilBrown Reviewed-by: Jeff Layton Signed-off-by: Chuck Lever Signed-off-by: Greg Kroah-Hartman --- fs/nfsd/nfssvc.c | 14 ++++---------- 1 file changed, 4 insertions(+), 10 deletions(-) diff --git a/fs/nfsd/nfssvc.c b/fs/nfsd/nfssvc.c index a68e9904224a..3fdff9a3b182 100644 --- a/fs/nfsd/nfssvc.c +++ b/fs/nfsd/nfssvc.c @@ -567,7 +567,6 @@ void nfsd_last_thread(struct net *net) return; nfsd_shutdown_net(net); - pr_info("nfsd: last server has exited, flushing export cache\n"); nfsd_export_flush(net); } @@ -782,7 +781,6 @@ int nfsd_svc(int nrservs, struct net *net, const struct cred *cred) { int error; - bool nfsd_up_before; struct nfsd_net *nn = net_generic(net, nfsd_net_id); struct svc_serv *serv; @@ -802,8 +800,6 @@ nfsd_svc(int nrservs, struct net *net, const struct cred *cred) error = nfsd_create_serv(net); if (error) goto out; - - nfsd_up_before = nn->nfsd_net_up; serv = nn->nfsd_serv; error = nfsd_startup_net(net, cred); @@ -811,17 +807,15 @@ nfsd_svc(int nrservs, struct net *net, const struct cred *cred) goto out_put; error = svc_set_num_threads(serv, NULL, nrservs); if (error) - goto out_shutdown; + goto out_put; error = serv->sv_nrthreads; - if (error == 0) - nfsd_last_thread(net); -out_shutdown: - if (error < 0 && !nfsd_up_before) - nfsd_shutdown_net(net); out_put: /* Threads now hold service active */ if (xchg(&nn->keep_active, 0)) svc_put(serv); + + if (serv->sv_nrthreads == 0) + nfsd_last_thread(net); svc_put(serv); out: mutex_unlock(&nfsd_mutex); From efdde00d4a1ef10bb71e09ebc67823a3d3ad725b Mon Sep 17 00:00:00 2001 From: Ryusuke Konishi Date: Wed, 14 Aug 2024 19:11:19 +0900 Subject: [PATCH 581/702] nilfs2: fix state management in error path of log writing function commit 6576dd6695f2afca3f4954029ac4a64f82ba60ab upstream. After commit a694291a6211 ("nilfs2: separate wait function from nilfs_segctor_write") was applied, the log writing function nilfs_segctor_do_construct() was able to issue I/O requests continuously even if user data blocks were split into multiple logs across segments, but two potential flaws were introduced in its error handling. First, if nilfs_segctor_begin_construction() fails while creating the second or subsequent logs, the log writing function returns without calling nilfs_segctor_abort_construction(), so the writeback flag set on pages/folios will remain uncleared. This causes page cache operations to hang waiting for the writeback flag. For example, truncate_inode_pages_final(), which is called via nilfs_evict_inode() when an inode is evicted from memory, will hang. Second, the NILFS_I_COLLECTED flag set on normal inodes remain uncleared. As a result, if the next log write involves checkpoint creation, that's fine, but if a partial log write is performed that does not, inodes with NILFS_I_COLLECTED set are erroneously removed from the "sc_dirty_files" list, and their data and b-tree blocks may not be written to the device, corrupting the block mapping. Fix these issues by uniformly calling nilfs_segctor_abort_construction() on failure of each step in the loop in nilfs_segctor_do_construct(), having it clean up logs and segment usages according to progress, and correcting the conditions for calling nilfs_redirty_inodes() to ensure that the NILFS_I_COLLECTED flag is cleared. Link: https://lkml.kernel.org/r/20240814101119.4070-1-konishi.ryusuke@gmail.com Fixes: a694291a6211 ("nilfs2: separate wait function from nilfs_segctor_write") Signed-off-by: Ryusuke Konishi Tested-by: Ryusuke Konishi Cc: Signed-off-by: Andrew Morton Signed-off-by: Greg Kroah-Hartman --- fs/nilfs2/segment.c | 10 ++++++---- 1 file changed, 6 insertions(+), 4 deletions(-) diff --git a/fs/nilfs2/segment.c b/fs/nilfs2/segment.c index d9f92df15a84..2213011afab7 100644 --- a/fs/nilfs2/segment.c +++ b/fs/nilfs2/segment.c @@ -1833,6 +1833,9 @@ static void nilfs_segctor_abort_construction(struct nilfs_sc_info *sci, nilfs_abort_logs(&logs, ret ? : err); list_splice_tail_init(&sci->sc_segbufs, &logs); + if (list_empty(&logs)) + return; /* if the first segment buffer preparation failed */ + nilfs_cancel_segusage(&logs, nilfs->ns_sufile); nilfs_free_incomplete_logs(&logs, nilfs); @@ -2077,7 +2080,7 @@ static int nilfs_segctor_do_construct(struct nilfs_sc_info *sci, int mode) err = nilfs_segctor_begin_construction(sci, nilfs); if (unlikely(err)) - goto out; + goto failed; /* Update time stamp */ sci->sc_seg_ctime = ktime_get_real_seconds(); @@ -2140,10 +2143,9 @@ static int nilfs_segctor_do_construct(struct nilfs_sc_info *sci, int mode) return err; failed_to_write: - if (sci->sc_stage.flags & NILFS_CF_IFILE_STARTED) - nilfs_redirty_inodes(&sci->sc_dirty_files); - failed: + if (mode == SC_LSEG_SR && nilfs_sc_cstage_get(sci) >= NILFS_ST_IFILE) + nilfs_redirty_inodes(&sci->sc_dirty_files); if (nilfs_doing_gc()) nilfs_redirty_inodes(&sci->sc_gc_inodes); nilfs_segctor_abort_construction(sci, nilfs, err); From a8aaffc0c14050665752d0a9b27e35294e5059c7 Mon Sep 17 00:00:00 2001 From: Chuck Lever Date: Thu, 5 Sep 2024 11:30:50 -0400 Subject: [PATCH 582/702] NFSD: Rewrite synopsis of nfsd_percpu_counters_init() MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit [ Upstream commit 5ec39944f874e1ecc09f624a70dfaa8ac3bf9d08 ] In function ‘export_stats_init’, inlined from ‘svc_export_alloc’ at fs/nfsd/export.c:866:6: fs/nfsd/export.c:337:16: warning: ‘nfsd_percpu_counters_init’ accessing 40 bytes in a region of size 0 [-Wstringop-overflow=] 337 | return nfsd_percpu_counters_init(&stats->counter, EXP_STATS_COUNTERS_NUM); | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ fs/nfsd/export.c:337:16: note: referencing argument 1 of type ‘struct percpu_counter[0]’ fs/nfsd/stats.h: In function ‘svc_export_alloc’: fs/nfsd/stats.h:40:5: note: in a call to function ‘nfsd_percpu_counters_init’ 40 | int nfsd_percpu_counters_init(struct percpu_counter counters[], int num); | ^~~~~~~~~~~~~~~~~~~~~~~~~ Cc: Amir Goldstein Reviewed-by: Jeff Layton Stable-dep-of: 93483ac5fec6 ("nfsd: expose /proc/net/sunrpc/nfsd in net namespaces") Signed-off-by: Chuck Lever Signed-off-by: Greg Kroah-Hartman --- fs/nfsd/stats.c | 2 +- fs/nfsd/stats.h | 6 +++--- 2 files changed, 4 insertions(+), 4 deletions(-) diff --git a/fs/nfsd/stats.c b/fs/nfsd/stats.c index 777e24e5da33..1fe6488a1cf9 100644 --- a/fs/nfsd/stats.c +++ b/fs/nfsd/stats.c @@ -74,7 +74,7 @@ static int nfsd_show(struct seq_file *seq, void *v) DEFINE_PROC_SHOW_ATTRIBUTE(nfsd); -int nfsd_percpu_counters_init(struct percpu_counter counters[], int num) +int nfsd_percpu_counters_init(struct percpu_counter *counters, int num) { int i, err = 0; diff --git a/fs/nfsd/stats.h b/fs/nfsd/stats.h index 9b43dc3d9991..c3abe1830da5 100644 --- a/fs/nfsd/stats.h +++ b/fs/nfsd/stats.h @@ -36,9 +36,9 @@ extern struct nfsd_stats nfsdstats; extern struct svc_stat nfsd_svcstats; -int nfsd_percpu_counters_init(struct percpu_counter counters[], int num); -void nfsd_percpu_counters_reset(struct percpu_counter counters[], int num); -void nfsd_percpu_counters_destroy(struct percpu_counter counters[], int num); +int nfsd_percpu_counters_init(struct percpu_counter *counters, int num); +void nfsd_percpu_counters_reset(struct percpu_counter *counters, int num); +void nfsd_percpu_counters_destroy(struct percpu_counter *counters, int num); int nfsd_stat_init(void); void nfsd_stat_shutdown(void); From 7e4c72dbaf62f8978af8321a24dbd35566d3a78a Mon Sep 17 00:00:00 2001 From: Filipe Manana Date: Fri, 6 Sep 2024 12:58:11 +0200 Subject: [PATCH 583/702] btrfs: fix use-after-free after failure to create a snapshot commit 28b21c558a3753171097193b6f6602a94169093a upstream. At ioctl.c:create_snapshot(), we allocate a pending snapshot structure and then attach it to the transaction's list of pending snapshots. After that we call btrfs_commit_transaction(), and if that returns an error we jump to 'fail' label, where we kfree() the pending snapshot structure. This can result in a later use-after-free of the pending snapshot: 1) We allocated the pending snapshot and added it to the transaction's list of pending snapshots; 2) We call btrfs_commit_transaction(), and it fails either at the first call to btrfs_run_delayed_refs() or btrfs_start_dirty_block_groups(). In both cases, we don't abort the transaction and we release our transaction handle. We jump to the 'fail' label and free the pending snapshot structure. We return with the pending snapshot still in the transaction's list; 3) Another task commits the transaction. This time there's no error at all, and then during the transaction commit it accesses a pointer to the pending snapshot structure that the snapshot creation task has already freed, resulting in a user-after-free. This issue could actually be detected by smatch, which produced the following warning: fs/btrfs/ioctl.c:843 create_snapshot() warn: '&pending_snapshot->list' not removed from list So fix this by not having the snapshot creation ioctl directly add the pending snapshot to the transaction's list. Instead add the pending snapshot to the transaction handle, and then at btrfs_commit_transaction() we add the snapshot to the list only when we can guarantee that any error returned after that point will result in a transaction abort, in which case the ioctl code can safely free the pending snapshot and no one can access it anymore. CC: stable@vger.kernel.org # 5.10+ Signed-off-by: Filipe Manana Signed-off-by: David Sterba Signed-off-by: Hugo SIMELIERE Signed-off-by: Greg Kroah-Hartman --- fs/btrfs/ioctl.c | 5 +---- fs/btrfs/transaction.c | 24 ++++++++++++++++++++++++ fs/btrfs/transaction.h | 2 ++ 3 files changed, 27 insertions(+), 4 deletions(-) diff --git a/fs/btrfs/ioctl.c b/fs/btrfs/ioctl.c index ab8ed187746e..24c4d059cfab 100644 --- a/fs/btrfs/ioctl.c +++ b/fs/btrfs/ioctl.c @@ -853,10 +853,7 @@ static int create_snapshot(struct btrfs_root *root, struct inode *dir, goto fail; } - spin_lock(&fs_info->trans_lock); - list_add(&pending_snapshot->list, - &trans->transaction->pending_snapshots); - spin_unlock(&fs_info->trans_lock); + trans->pending_snapshot = pending_snapshot; ret = btrfs_commit_transaction(trans); if (ret) diff --git a/fs/btrfs/transaction.c b/fs/btrfs/transaction.c index 8cefe11c57db..8878aa7cbdc5 100644 --- a/fs/btrfs/transaction.c +++ b/fs/btrfs/transaction.c @@ -2075,6 +2075,27 @@ static inline void btrfs_wait_delalloc_flush(struct btrfs_trans_handle *trans) } } +/* + * Add a pending snapshot associated with the given transaction handle to the + * respective handle. This must be called after the transaction commit started + * and while holding fs_info->trans_lock. + * This serves to guarantee a caller of btrfs_commit_transaction() that it can + * safely free the pending snapshot pointer in case btrfs_commit_transaction() + * returns an error. + */ +static void add_pending_snapshot(struct btrfs_trans_handle *trans) +{ + struct btrfs_transaction *cur_trans = trans->transaction; + + if (!trans->pending_snapshot) + return; + + lockdep_assert_held(&trans->fs_info->trans_lock); + ASSERT(cur_trans->state >= TRANS_STATE_COMMIT_START); + + list_add(&trans->pending_snapshot->list, &cur_trans->pending_snapshots); +} + int btrfs_commit_transaction(struct btrfs_trans_handle *trans) { struct btrfs_fs_info *fs_info = trans->fs_info; @@ -2161,6 +2182,8 @@ int btrfs_commit_transaction(struct btrfs_trans_handle *trans) spin_lock(&fs_info->trans_lock); if (cur_trans->state >= TRANS_STATE_COMMIT_START) { + add_pending_snapshot(trans); + spin_unlock(&fs_info->trans_lock); refcount_inc(&cur_trans->use_count); ret = btrfs_end_transaction(trans); @@ -2243,6 +2266,7 @@ int btrfs_commit_transaction(struct btrfs_trans_handle *trans) * COMMIT_DOING so make sure to wait for num_writers to == 1 again. */ spin_lock(&fs_info->trans_lock); + add_pending_snapshot(trans); cur_trans->state = TRANS_STATE_COMMIT_DOING; spin_unlock(&fs_info->trans_lock); wait_event(cur_trans->writer_wait, diff --git a/fs/btrfs/transaction.h b/fs/btrfs/transaction.h index f73654d93fa0..eb26eb068fe8 100644 --- a/fs/btrfs/transaction.h +++ b/fs/btrfs/transaction.h @@ -122,6 +122,8 @@ struct btrfs_trans_handle { struct btrfs_transaction *transaction; struct btrfs_block_rsv *block_rsv; struct btrfs_block_rsv *orig_rsv; + /* Set by a task that wants to create a snapshot. */ + struct btrfs_pending_snapshot *pending_snapshot; refcount_t use_count; unsigned int type; /* From d47c660e8cb655ad93fc22072762e8be16e9e63f Mon Sep 17 00:00:00 2001 From: Chuck Lever Date: Thu, 5 Sep 2024 11:30:51 -0400 Subject: [PATCH 584/702] NFSD: Fix frame size warning in svc_export_parse() [ Upstream commit 6939ace1f22681fface7841cdbf34d3204cc94b5 ] fs/nfsd/export.c: In function 'svc_export_parse': fs/nfsd/export.c:737:1: warning: the frame size of 1040 bytes is larger than 1024 bytes [-Wframe-larger-than=] 737 | } On my systems, svc_export_parse() has a stack frame of over 800 bytes, not 1040, but nonetheless, it could do with some reduction. When a struct svc_export is on the stack, it's a temporary structure used as an argument, and not visible as an actual exported FS. No need to reserve space for export_stats in such cases. Reported-by: kernel test robot Closes: https://lore.kernel.org/oe-kbuild-all/202310012359.YEw5IrK6-lkp@intel.com/ Cc: Amir Goldstein Reviewed-by: Jeff Layton Stable-dep-of: 4b14885411f7 ("nfsd: make all of the nfsd stats per-network namespace") [ cel: adjusted to apply to v5.10.y ] Signed-off-by: Chuck Lever Signed-off-by: Greg Kroah-Hartman --- fs/nfsd/export.c | 32 +++++++++++++++++++++++--------- fs/nfsd/export.h | 4 ++-- fs/nfsd/stats.h | 12 ++++++------ 3 files changed, 31 insertions(+), 17 deletions(-) diff --git a/fs/nfsd/export.c b/fs/nfsd/export.c index 7c863f2c21e0..617a5b6ae6c3 100644 --- a/fs/nfsd/export.c +++ b/fs/nfsd/export.c @@ -339,12 +339,16 @@ static int export_stats_init(struct export_stats *stats) static void export_stats_reset(struct export_stats *stats) { - nfsd_percpu_counters_reset(stats->counter, EXP_STATS_COUNTERS_NUM); + if (stats) + nfsd_percpu_counters_reset(stats->counter, + EXP_STATS_COUNTERS_NUM); } static void export_stats_destroy(struct export_stats *stats) { - nfsd_percpu_counters_destroy(stats->counter, EXP_STATS_COUNTERS_NUM); + if (stats) + nfsd_percpu_counters_destroy(stats->counter, + EXP_STATS_COUNTERS_NUM); } static void svc_export_put(struct kref *ref) @@ -353,7 +357,8 @@ static void svc_export_put(struct kref *ref) path_put(&exp->ex_path); auth_domain_put(exp->ex_client); nfsd4_fslocs_free(&exp->ex_fslocs); - export_stats_destroy(&exp->ex_stats); + export_stats_destroy(exp->ex_stats); + kfree(exp->ex_stats); kfree(exp->ex_uuid); kfree_rcu(exp, ex_rcu); } @@ -738,13 +743,15 @@ static int svc_export_show(struct seq_file *m, seq_putc(m, '\t'); seq_escape(m, exp->ex_client->name, " \t\n\\"); if (export_stats) { - seq_printf(m, "\t%lld\n", exp->ex_stats.start_time); + struct percpu_counter *counter = exp->ex_stats->counter; + + seq_printf(m, "\t%lld\n", exp->ex_stats->start_time); seq_printf(m, "\tfh_stale: %lld\n", - percpu_counter_sum_positive(&exp->ex_stats.counter[EXP_STATS_FH_STALE])); + percpu_counter_sum_positive(&counter[EXP_STATS_FH_STALE])); seq_printf(m, "\tio_read: %lld\n", - percpu_counter_sum_positive(&exp->ex_stats.counter[EXP_STATS_IO_READ])); + percpu_counter_sum_positive(&counter[EXP_STATS_IO_READ])); seq_printf(m, "\tio_write: %lld\n", - percpu_counter_sum_positive(&exp->ex_stats.counter[EXP_STATS_IO_WRITE])); + percpu_counter_sum_positive(&counter[EXP_STATS_IO_WRITE])); seq_putc(m, '\n'); return 0; } @@ -790,7 +797,7 @@ static void svc_export_init(struct cache_head *cnew, struct cache_head *citem) new->ex_layout_types = 0; new->ex_uuid = NULL; new->cd = item->cd; - export_stats_reset(&new->ex_stats); + export_stats_reset(new->ex_stats); } static void export_update(struct cache_head *cnew, struct cache_head *citem) @@ -826,7 +833,14 @@ static struct cache_head *svc_export_alloc(void) if (!i) return NULL; - if (export_stats_init(&i->ex_stats)) { + i->ex_stats = kmalloc(sizeof(*(i->ex_stats)), GFP_KERNEL); + if (!i->ex_stats) { + kfree(i); + return NULL; + } + + if (export_stats_init(i->ex_stats)) { + kfree(i->ex_stats); kfree(i); return NULL; } diff --git a/fs/nfsd/export.h b/fs/nfsd/export.h index d03f7f6a8642..f73e23bb24a1 100644 --- a/fs/nfsd/export.h +++ b/fs/nfsd/export.h @@ -64,10 +64,10 @@ struct svc_export { struct cache_head h; struct auth_domain * ex_client; int ex_flags; + int ex_fsid; struct path ex_path; kuid_t ex_anon_uid; kgid_t ex_anon_gid; - int ex_fsid; unsigned char * ex_uuid; /* 16 byte fsid */ struct nfsd4_fs_locations ex_fslocs; uint32_t ex_nflavors; @@ -76,7 +76,7 @@ struct svc_export { struct nfsd4_deviceid_map *ex_devid_map; struct cache_detail *cd; struct rcu_head ex_rcu; - struct export_stats ex_stats; + struct export_stats *ex_stats; }; /* an "export key" (expkey) maps a filehandlefragement to an diff --git a/fs/nfsd/stats.h b/fs/nfsd/stats.h index c3abe1830da5..ac58c4b2ab70 100644 --- a/fs/nfsd/stats.h +++ b/fs/nfsd/stats.h @@ -60,22 +60,22 @@ static inline void nfsd_stats_rc_nocache_inc(void) static inline void nfsd_stats_fh_stale_inc(struct svc_export *exp) { percpu_counter_inc(&nfsdstats.counter[NFSD_STATS_FH_STALE]); - if (exp) - percpu_counter_inc(&exp->ex_stats.counter[EXP_STATS_FH_STALE]); + if (exp && exp->ex_stats) + percpu_counter_inc(&exp->ex_stats->counter[EXP_STATS_FH_STALE]); } static inline void nfsd_stats_io_read_add(struct svc_export *exp, s64 amount) { percpu_counter_add(&nfsdstats.counter[NFSD_STATS_IO_READ], amount); - if (exp) - percpu_counter_add(&exp->ex_stats.counter[EXP_STATS_IO_READ], amount); + if (exp && exp->ex_stats) + percpu_counter_add(&exp->ex_stats->counter[EXP_STATS_IO_READ], amount); } static inline void nfsd_stats_io_write_add(struct svc_export *exp, s64 amount) { percpu_counter_add(&nfsdstats.counter[NFSD_STATS_IO_WRITE], amount); - if (exp) - percpu_counter_add(&exp->ex_stats.counter[EXP_STATS_IO_WRITE], amount); + if (exp && exp->ex_stats) + percpu_counter_add(&exp->ex_stats->counter[EXP_STATS_IO_WRITE], amount); } static inline void nfsd_stats_payload_misses_inc(struct nfsd_net *nn) From 91fb0512a05c5d15fd9d153f30546f1276722d84 Mon Sep 17 00:00:00 2001 From: "Matthieu Baerts (NGI0)" Date: Fri, 6 Sep 2024 11:22:56 +0200 Subject: [PATCH 585/702] mptcp: pr_debug: add missing \n at the end commit cb41b195e634d3f1ecfcd845314e64fd4bb3c7aa upstream. pr_debug() have been added in various places in MPTCP code to help developers to debug some situations. With the dynamic debug feature, it is easy to enable all or some of them, and asks users to reproduce issues with extra debug. Many of these pr_debug() don't end with a new line, while no 'pr_cont()' are used in MPTCP code. So the goal was not to display multiple debug messages on one line: they were then not missing the '\n' on purpose. Not having the new line at the end causes these messages to be printed with a delay, when something else needs to be printed. This issue is not visible when many messages need to be printed, but it is annoying and confusing when only specific messages are expected, e.g. # echo "func mptcp_pm_add_addr_echoed +fmp" \ > /sys/kernel/debug/dynamic_debug/control # ./mptcp_join.sh "signal address"; \ echo "$(awk '{print $1}' /proc/uptime) - end"; \ sleep 5s; \ echo "$(awk '{print $1}' /proc/uptime) - restart"; \ ./mptcp_join.sh "signal address" 013 signal address (...) 10.75 - end 15.76 - restart 013 signal address [ 10.367935] mptcp:mptcp_pm_add_addr_echoed: MPTCP: msk=(...) (...) => a delay of 5 seconds: printed with a 10.36 ts, but after 'restart' which was printed at the 15.76 ts. The 'Fixes' tag here below points to the first pr_debug() used without '\n' in net/mptcp. This patch could be split in many small ones, with different Fixes tag, but it doesn't seem worth it, because it is easy to re-generate this patch with this simple 'sed' command: git grep -l pr_debug -- net/mptcp | xargs sed -i "s/\(pr_debug(\".*[^n]\)\(\"[,)]\)/\1\\\n\2/g" So in case of conflicts, simply drop the modifications, and launch this command. Fixes: f870fa0b5768 ("mptcp: Add MPTCP socket stubs") Cc: stable@vger.kernel.org Reviewed-by: Geliang Tang Signed-off-by: Matthieu Baerts (NGI0) Link: https://patch.msgid.link/20240826-net-mptcp-close-extra-sf-fin-v1-4-905199fe1172@kernel.org Signed-off-by: Jakub Kicinski [ As mentioned above, conflicts were expected, and resolved by using the 'sed' command which is visible above. ] Signed-off-by: Matthieu Baerts (NGI0) Signed-off-by: Greg Kroah-Hartman --- net/mptcp/options.c | 34 +++++++++++++------------- net/mptcp/pm.c | 24 +++++++++---------- net/mptcp/pm_netlink.c | 14 +++++------ net/mptcp/protocol.c | 54 +++++++++++++++++++++--------------------- net/mptcp/protocol.h | 4 ++-- net/mptcp/subflow.c | 50 +++++++++++++++++++------------------- 6 files changed, 90 insertions(+), 90 deletions(-) diff --git a/net/mptcp/options.c b/net/mptcp/options.c index f7a91266d5a9..9b11396552df 100644 --- a/net/mptcp/options.c +++ b/net/mptcp/options.c @@ -96,7 +96,7 @@ static void mptcp_parse_option(const struct sk_buff *skb, mp_opt->data_len = get_unaligned_be16(ptr); ptr += 2; } - pr_debug("MP_CAPABLE version=%x, flags=%x, optlen=%d sndr=%llu, rcvr=%llu len=%d", + pr_debug("MP_CAPABLE version=%x, flags=%x, optlen=%d sndr=%llu, rcvr=%llu len=%d\n", version, flags, opsize, mp_opt->sndr_key, mp_opt->rcvr_key, mp_opt->data_len); break; @@ -110,7 +110,7 @@ static void mptcp_parse_option(const struct sk_buff *skb, ptr += 4; mp_opt->nonce = get_unaligned_be32(ptr); ptr += 4; - pr_debug("MP_JOIN bkup=%u, id=%u, token=%u, nonce=%u", + pr_debug("MP_JOIN bkup=%u, id=%u, token=%u, nonce=%u\n", mp_opt->backup, mp_opt->join_id, mp_opt->token, mp_opt->nonce); } else if (opsize == TCPOLEN_MPTCP_MPJ_SYNACK) { @@ -120,20 +120,20 @@ static void mptcp_parse_option(const struct sk_buff *skb, ptr += 8; mp_opt->nonce = get_unaligned_be32(ptr); ptr += 4; - pr_debug("MP_JOIN bkup=%u, id=%u, thmac=%llu, nonce=%u", + pr_debug("MP_JOIN bkup=%u, id=%u, thmac=%llu, nonce=%u\n", mp_opt->backup, mp_opt->join_id, mp_opt->thmac, mp_opt->nonce); } else if (opsize == TCPOLEN_MPTCP_MPJ_ACK) { ptr += 2; memcpy(mp_opt->hmac, ptr, MPTCPOPT_HMAC_LEN); - pr_debug("MP_JOIN hmac"); + pr_debug("MP_JOIN hmac\n"); } else { mp_opt->mp_join = 0; } break; case MPTCPOPT_DSS: - pr_debug("DSS"); + pr_debug("DSS\n"); ptr++; /* we must clear 'mpc_map' be able to detect MP_CAPABLE @@ -148,7 +148,7 @@ static void mptcp_parse_option(const struct sk_buff *skb, mp_opt->ack64 = (flags & MPTCP_DSS_ACK64) != 0; mp_opt->use_ack = (flags & MPTCP_DSS_HAS_ACK); - pr_debug("data_fin=%d dsn64=%d use_map=%d ack64=%d use_ack=%d", + pr_debug("data_fin=%d dsn64=%d use_map=%d ack64=%d use_ack=%d\n", mp_opt->data_fin, mp_opt->dsn64, mp_opt->use_map, mp_opt->ack64, mp_opt->use_ack); @@ -189,7 +189,7 @@ static void mptcp_parse_option(const struct sk_buff *skb, ptr += 4; } - pr_debug("data_ack=%llu", mp_opt->data_ack); + pr_debug("data_ack=%llu\n", mp_opt->data_ack); } if (mp_opt->use_map) { @@ -207,7 +207,7 @@ static void mptcp_parse_option(const struct sk_buff *skb, mp_opt->data_len = get_unaligned_be16(ptr); ptr += 2; - pr_debug("data_seq=%llu subflow_seq=%u data_len=%u", + pr_debug("data_seq=%llu subflow_seq=%u data_len=%u\n", mp_opt->data_seq, mp_opt->subflow_seq, mp_opt->data_len); } @@ -242,7 +242,7 @@ static void mptcp_parse_option(const struct sk_buff *skb, mp_opt->add_addr = 1; mp_opt->addr_id = *ptr++; - pr_debug("ADD_ADDR: id=%d, echo=%d", mp_opt->addr_id, mp_opt->echo); + pr_debug("ADD_ADDR: id=%d, echo=%d\n", mp_opt->addr_id, mp_opt->echo); if (mp_opt->family == MPTCP_ADDR_IPVERSION_4) { memcpy((u8 *)&mp_opt->addr.s_addr, (u8 *)ptr, 4); ptr += 4; @@ -277,7 +277,7 @@ static void mptcp_parse_option(const struct sk_buff *skb, mp_opt->rm_addr = 1; mp_opt->rm_id = *ptr++; - pr_debug("RM_ADDR: id=%d", mp_opt->rm_id); + pr_debug("RM_ADDR: id=%d\n", mp_opt->rm_id); break; default: @@ -344,7 +344,7 @@ bool mptcp_syn_options(struct sock *sk, const struct sk_buff *skb, *size = TCPOLEN_MPTCP_MPC_SYN; return true; } else if (subflow->request_join) { - pr_debug("remote_token=%u, nonce=%u", subflow->remote_token, + pr_debug("remote_token=%u, nonce=%u\n", subflow->remote_token, subflow->local_nonce); opts->suboptions = OPTION_MPTCP_MPJ_SYN; opts->join_id = subflow->local_id; @@ -436,7 +436,7 @@ static bool mptcp_established_options_mp(struct sock *sk, struct sk_buff *skb, else *size = TCPOLEN_MPTCP_MPC_ACK; - pr_debug("subflow=%p, local_key=%llu, remote_key=%llu map_len=%d", + pr_debug("subflow=%p, local_key=%llu, remote_key=%llu map_len=%d\n", subflow, subflow->local_key, subflow->remote_key, data_len); @@ -445,7 +445,7 @@ static bool mptcp_established_options_mp(struct sock *sk, struct sk_buff *skb, opts->suboptions = OPTION_MPTCP_MPJ_ACK; memcpy(opts->hmac, subflow->hmac, MPTCPOPT_HMAC_LEN); *size = TCPOLEN_MPTCP_MPJ_ACK; - pr_debug("subflow=%p", subflow); + pr_debug("subflow=%p\n", subflow); schedule_3rdack_retransmission(sk); return true; @@ -619,7 +619,7 @@ static bool mptcp_established_options_add_addr(struct sock *sk, } } #endif - pr_debug("addr_id=%d, ahmac=%llu, echo=%d", opts->addr_id, opts->ahmac, echo); + pr_debug("addr_id=%d, ahmac=%llu, echo=%d\n", opts->addr_id, opts->ahmac, echo); return true; } @@ -644,7 +644,7 @@ static bool mptcp_established_options_rm_addr(struct sock *sk, opts->suboptions |= OPTION_MPTCP_RM_ADDR; opts->rm_id = rm_id; - pr_debug("rm_id=%d", opts->rm_id); + pr_debug("rm_id=%d\n", opts->rm_id); return true; } @@ -703,7 +703,7 @@ bool mptcp_synack_options(const struct request_sock *req, unsigned int *size, opts->suboptions = OPTION_MPTCP_MPC_SYNACK; opts->sndr_key = subflow_req->local_key; *size = TCPOLEN_MPTCP_MPC_SYNACK; - pr_debug("subflow_req=%p, local_key=%llu", + pr_debug("subflow_req=%p, local_key=%llu\n", subflow_req, subflow_req->local_key); return true; } else if (subflow_req->mp_join) { @@ -712,7 +712,7 @@ bool mptcp_synack_options(const struct request_sock *req, unsigned int *size, opts->join_id = subflow_req->local_id; opts->thmac = subflow_req->thmac; opts->nonce = subflow_req->local_nonce; - pr_debug("req=%p, bkup=%u, id=%u, thmac=%llu, nonce=%u", + pr_debug("req=%p, bkup=%u, id=%u, thmac=%llu, nonce=%u\n", subflow_req, opts->backup, opts->join_id, opts->thmac, opts->nonce); *size = TCPOLEN_MPTCP_MPJ_SYNACK; diff --git a/net/mptcp/pm.c b/net/mptcp/pm.c index 1f310abbf1ed..a8c26f417900 100644 --- a/net/mptcp/pm.c +++ b/net/mptcp/pm.c @@ -16,7 +16,7 @@ int mptcp_pm_announce_addr(struct mptcp_sock *msk, const struct mptcp_addr_info *addr, bool echo) { - pr_debug("msk=%p, local_id=%d", msk, addr->id); + pr_debug("msk=%p, local_id=%d\n", msk, addr->id); msk->pm.local = *addr; WRITE_ONCE(msk->pm.add_addr_echo, echo); @@ -26,7 +26,7 @@ int mptcp_pm_announce_addr(struct mptcp_sock *msk, int mptcp_pm_remove_addr(struct mptcp_sock *msk, u8 local_id) { - pr_debug("msk=%p, local_id=%d", msk, local_id); + pr_debug("msk=%p, local_id=%d\n", msk, local_id); msk->pm.rm_id = local_id; WRITE_ONCE(msk->pm.rm_addr_signal, true); @@ -35,7 +35,7 @@ int mptcp_pm_remove_addr(struct mptcp_sock *msk, u8 local_id) int mptcp_pm_remove_subflow(struct mptcp_sock *msk, u8 local_id) { - pr_debug("msk=%p, local_id=%d", msk, local_id); + pr_debug("msk=%p, local_id=%d\n", msk, local_id); spin_lock_bh(&msk->pm.lock); mptcp_pm_nl_rm_subflow_received(msk, local_id); @@ -49,7 +49,7 @@ void mptcp_pm_new_connection(struct mptcp_sock *msk, int server_side) { struct mptcp_pm_data *pm = &msk->pm; - pr_debug("msk=%p, token=%u side=%d", msk, msk->token, server_side); + pr_debug("msk=%p, token=%u side=%d\n", msk, msk->token, server_side); WRITE_ONCE(pm->server_side, server_side); } @@ -59,7 +59,7 @@ bool mptcp_pm_allow_new_subflow(struct mptcp_sock *msk) struct mptcp_pm_data *pm = &msk->pm; int ret = 0; - pr_debug("msk=%p subflows=%d max=%d allow=%d", msk, pm->subflows, + pr_debug("msk=%p subflows=%d max=%d allow=%d\n", msk, pm->subflows, pm->subflows_max, READ_ONCE(pm->accept_subflow)); /* try to avoid acquiring the lock below */ @@ -83,7 +83,7 @@ bool mptcp_pm_allow_new_subflow(struct mptcp_sock *msk) static bool mptcp_pm_schedule_work(struct mptcp_sock *msk, enum mptcp_pm_status new_status) { - pr_debug("msk=%p status=%x new=%lx", msk, msk->pm.status, + pr_debug("msk=%p status=%x new=%lx\n", msk, msk->pm.status, BIT(new_status)); if (msk->pm.status & BIT(new_status)) return false; @@ -98,7 +98,7 @@ void mptcp_pm_fully_established(struct mptcp_sock *msk) { struct mptcp_pm_data *pm = &msk->pm; - pr_debug("msk=%p", msk); + pr_debug("msk=%p\n", msk); /* try to avoid acquiring the lock below */ if (!READ_ONCE(pm->work_pending)) @@ -114,7 +114,7 @@ void mptcp_pm_fully_established(struct mptcp_sock *msk) void mptcp_pm_connection_closed(struct mptcp_sock *msk) { - pr_debug("msk=%p", msk); + pr_debug("msk=%p\n", msk); } void mptcp_pm_subflow_established(struct mptcp_sock *msk, @@ -122,7 +122,7 @@ void mptcp_pm_subflow_established(struct mptcp_sock *msk, { struct mptcp_pm_data *pm = &msk->pm; - pr_debug("msk=%p", msk); + pr_debug("msk=%p\n", msk); if (!READ_ONCE(pm->work_pending)) return; @@ -137,7 +137,7 @@ void mptcp_pm_subflow_established(struct mptcp_sock *msk, void mptcp_pm_subflow_closed(struct mptcp_sock *msk, u8 id) { - pr_debug("msk=%p", msk); + pr_debug("msk=%p\n", msk); } void mptcp_pm_add_addr_received(struct mptcp_sock *msk, @@ -145,7 +145,7 @@ void mptcp_pm_add_addr_received(struct mptcp_sock *msk, { struct mptcp_pm_data *pm = &msk->pm; - pr_debug("msk=%p remote_id=%d accept=%d", msk, addr->id, + pr_debug("msk=%p remote_id=%d accept=%d\n", msk, addr->id, READ_ONCE(pm->accept_addr)); spin_lock_bh(&pm->lock); @@ -162,7 +162,7 @@ void mptcp_pm_rm_addr_received(struct mptcp_sock *msk, u8 rm_id) { struct mptcp_pm_data *pm = &msk->pm; - pr_debug("msk=%p remote_id=%d", msk, rm_id); + pr_debug("msk=%p remote_id=%d\n", msk, rm_id); spin_lock_bh(&pm->lock); mptcp_pm_schedule_work(msk, MPTCP_PM_RM_ADDR_RECEIVED); diff --git a/net/mptcp/pm_netlink.c b/net/mptcp/pm_netlink.c index ca57d856d5df..25fab477f0b1 100644 --- a/net/mptcp/pm_netlink.c +++ b/net/mptcp/pm_netlink.c @@ -206,7 +206,7 @@ static void mptcp_pm_add_timer(struct timer_list *timer) struct mptcp_sock *msk = entry->sock; struct sock *sk = (struct sock *)msk; - pr_debug("msk=%p", msk); + pr_debug("msk=%p\n", msk); if (!msk) return; @@ -225,7 +225,7 @@ static void mptcp_pm_add_timer(struct timer_list *timer) spin_lock_bh(&msk->pm.lock); if (!mptcp_pm_should_add_signal(msk)) { - pr_debug("retransmit ADD_ADDR id=%d", entry->addr.id); + pr_debug("retransmit ADD_ADDR id=%d\n", entry->addr.id); mptcp_pm_announce_addr(msk, &entry->addr, false); entry->retrans_times++; } @@ -289,7 +289,7 @@ void mptcp_pm_free_anno_list(struct mptcp_sock *msk) struct sock *sk = (struct sock *)msk; LIST_HEAD(free_list); - pr_debug("msk=%p", msk); + pr_debug("msk=%p\n", msk); spin_lock_bh(&msk->pm.lock); list_splice_init(&msk->pm.anno_list, &free_list); @@ -372,7 +372,7 @@ void mptcp_pm_nl_add_addr_received(struct mptcp_sock *msk) struct mptcp_addr_info local; int err; - pr_debug("accepted %d:%d remote family %d", + pr_debug("accepted %d:%d remote family %d\n", msk->pm.add_addr_accepted, msk->pm.add_addr_accept_max, msk->pm.remote.family); msk->pm.subflows++; @@ -405,7 +405,7 @@ void mptcp_pm_nl_rm_addr_received(struct mptcp_sock *msk) struct mptcp_subflow_context *subflow, *tmp; struct sock *sk = (struct sock *)msk; - pr_debug("address rm_id %d", msk->pm.rm_id); + pr_debug("address rm_id %d\n", msk->pm.rm_id); if (!msk->pm.rm_id) return; @@ -441,7 +441,7 @@ void mptcp_pm_nl_rm_subflow_received(struct mptcp_sock *msk, u8 rm_id) struct mptcp_subflow_context *subflow, *tmp; struct sock *sk = (struct sock *)msk; - pr_debug("subflow rm_id %d", rm_id); + pr_debug("subflow rm_id %d\n", rm_id); if (!rm_id) return; @@ -791,7 +791,7 @@ static int mptcp_nl_remove_subflow_and_signal_addr(struct net *net, struct mptcp_sock *msk; long s_slot = 0, s_num = 0; - pr_debug("remove_id=%d", addr->id); + pr_debug("remove_id=%d\n", addr->id); while ((msk = mptcp_token_iter_next(net, &s_slot, &s_num)) != NULL) { struct sock *sk = (struct sock *)msk; diff --git a/net/mptcp/protocol.c b/net/mptcp/protocol.c index 0ef6a99b62b0..590e2c9bb67e 100644 --- a/net/mptcp/protocol.c +++ b/net/mptcp/protocol.c @@ -128,7 +128,7 @@ static bool mptcp_try_coalesce(struct sock *sk, struct sk_buff *to, !skb_try_coalesce(to, from, &fragstolen, &delta)) return false; - pr_debug("colesced seq %llx into %llx new len %d new end seq %llx", + pr_debug("colesced seq %llx into %llx new len %d new end seq %llx\n", MPTCP_SKB_CB(from)->map_seq, MPTCP_SKB_CB(to)->map_seq, to->len, MPTCP_SKB_CB(from)->end_seq); MPTCP_SKB_CB(to)->end_seq = MPTCP_SKB_CB(from)->end_seq; @@ -164,7 +164,7 @@ static void mptcp_data_queue_ofo(struct mptcp_sock *msk, struct sk_buff *skb) space = tcp_space(sk); max_seq = space > 0 ? space + msk->ack_seq : msk->ack_seq; - pr_debug("msk=%p seq=%llx limit=%llx empty=%d", msk, seq, max_seq, + pr_debug("msk=%p seq=%llx limit=%llx empty=%d\n", msk, seq, max_seq, RB_EMPTY_ROOT(&msk->out_of_order_queue)); if (after64(seq, max_seq)) { /* out of window */ @@ -469,7 +469,7 @@ static bool __mptcp_move_skbs_from_subflow(struct mptcp_sock *msk, u32 old_copied_seq; bool done = false; - pr_debug("msk=%p ssk=%p", msk, ssk); + pr_debug("msk=%p ssk=%p\n", msk, ssk); tp = tcp_sk(ssk); old_copied_seq = tp->copied_seq; do { @@ -552,7 +552,7 @@ static bool mptcp_ofo_queue(struct mptcp_sock *msk) u64 end_seq; p = rb_first(&msk->out_of_order_queue); - pr_debug("msk=%p empty=%d", msk, RB_EMPTY_ROOT(&msk->out_of_order_queue)); + pr_debug("msk=%p empty=%d\n", msk, RB_EMPTY_ROOT(&msk->out_of_order_queue)); while (p) { skb = rb_to_skb(p); if (after64(MPTCP_SKB_CB(skb)->map_seq, msk->ack_seq)) @@ -574,7 +574,7 @@ static bool mptcp_ofo_queue(struct mptcp_sock *msk) int delta = msk->ack_seq - MPTCP_SKB_CB(skb)->map_seq; /* skip overlapping data, if any */ - pr_debug("uncoalesced seq=%llx ack seq=%llx delta=%d", + pr_debug("uncoalesced seq=%llx ack seq=%llx delta=%d\n", MPTCP_SKB_CB(skb)->map_seq, msk->ack_seq, delta); MPTCP_SKB_CB(skb)->offset += delta; @@ -956,12 +956,12 @@ static int mptcp_sendmsg_frag(struct sock *sk, struct sock *ssk, psize = min_t(size_t, pfrag->size - offset, avail_size); /* Copy to page */ - pr_debug("left=%zu", msg_data_left(msg)); + pr_debug("left=%zu\n", msg_data_left(msg)); psize = copy_page_from_iter(pfrag->page, offset, min_t(size_t, msg_data_left(msg), psize), &msg->msg_iter); - pr_debug("left=%zu", msg_data_left(msg)); + pr_debug("left=%zu\n", msg_data_left(msg)); if (!psize) return -EINVAL; @@ -1031,7 +1031,7 @@ static int mptcp_sendmsg_frag(struct sock *sk, struct sock *ssk, mpext->use_map = 1; mpext->dsn64 = 1; - pr_debug("data_seq=%llu subflow_seq=%u data_len=%u dsn64=%d", + pr_debug("data_seq=%llu subflow_seq=%u data_len=%u dsn64=%d\n", mpext->data_seq, mpext->subflow_seq, mpext->data_len, mpext->dsn64); @@ -1147,7 +1147,7 @@ static struct sock *mptcp_subflow_get_send(struct mptcp_sock *msk, } } - pr_debug("msk=%p nr_active=%d ssk=%p:%lld backup=%p:%lld", + pr_debug("msk=%p nr_active=%d ssk=%p:%lld backup=%p:%lld\n", msk, nr_active, send_info[0].ssk, send_info[0].ratio, send_info[1].ssk, send_info[1].ratio); @@ -1240,7 +1240,7 @@ static int mptcp_sendmsg(struct sock *sk, struct msghdr *msg, size_t len) sndbuf > READ_ONCE(sk->sk_sndbuf)) WRITE_ONCE(sk->sk_sndbuf, sndbuf); - pr_debug("conn_list->subflow=%p", ssk); + pr_debug("conn_list->subflow=%p\n", ssk); lock_sock(ssk); tx_ok = msg_data_left(msg); @@ -1577,7 +1577,7 @@ static int mptcp_recvmsg(struct sock *sk, struct msghdr *msg, size_t len, } } - pr_debug("block timeout %ld", timeo); + pr_debug("block timeout %ld\n", timeo); mptcp_wait_data(sk, &timeo); } @@ -1595,7 +1595,7 @@ static int mptcp_recvmsg(struct sock *sk, struct msghdr *msg, size_t len, set_bit(MPTCP_DATA_READY, &msk->flags); } out_err: - pr_debug("msk=%p data_ready=%d rx queue empty=%d copied=%d", + pr_debug("msk=%p data_ready=%d rx queue empty=%d copied=%d\n", msk, test_bit(MPTCP_DATA_READY, &msk->flags), skb_queue_empty(&sk->sk_receive_queue), copied); mptcp_rcv_space_adjust(msk, copied); @@ -1712,7 +1712,7 @@ static void pm_work(struct mptcp_sock *msk) spin_lock_bh(&msk->pm.lock); - pr_debug("msk=%p status=%x", msk, pm->status); + pr_debug("msk=%p status=%x\n", msk, pm->status); if (pm->status & BIT(MPTCP_PM_ADD_ADDR_RECEIVED)) { pm->status &= ~BIT(MPTCP_PM_ADD_ADDR_RECEIVED); mptcp_pm_nl_add_addr_received(msk); @@ -1913,11 +1913,11 @@ void mptcp_subflow_shutdown(struct sock *sk, struct sock *ssk, int how) break; default: if (__mptcp_check_fallback(mptcp_sk(sk))) { - pr_debug("Fallback"); + pr_debug("Fallback\n"); ssk->sk_shutdown |= how; tcp_shutdown(ssk, how); } else { - pr_debug("Sending DATA_FIN on subflow %p", ssk); + pr_debug("Sending DATA_FIN on subflow %p\n", ssk); mptcp_set_timeout(sk, ssk); tcp_send_ack(ssk); } @@ -1973,7 +1973,7 @@ static void mptcp_close(struct sock *sk, long timeout) if (__mptcp_check_fallback(msk)) { goto update_state; } else if (mptcp_close_state(sk)) { - pr_debug("Sending DATA_FIN sk=%p", sk); + pr_debug("Sending DATA_FIN sk=%p\n", sk); WRITE_ONCE(msk->write_seq, msk->write_seq + 1); WRITE_ONCE(msk->snd_data_fin_enable, 1); @@ -2181,12 +2181,12 @@ static struct sock *mptcp_accept(struct sock *sk, int flags, int *err, return NULL; } - pr_debug("msk=%p, listener=%p", msk, mptcp_subflow_ctx(listener->sk)); + pr_debug("msk=%p, listener=%p\n", msk, mptcp_subflow_ctx(listener->sk)); newsk = inet_csk_accept(listener->sk, flags, err, kern); if (!newsk) return NULL; - pr_debug("msk=%p, subflow is mptcp=%d", msk, sk_is_mptcp(newsk)); + pr_debug("msk=%p, subflow is mptcp=%d\n", msk, sk_is_mptcp(newsk)); if (sk_is_mptcp(newsk)) { struct mptcp_subflow_context *subflow; struct sock *new_mptcp_sock; @@ -2351,7 +2351,7 @@ static int mptcp_setsockopt(struct sock *sk, int level, int optname, struct mptcp_sock *msk = mptcp_sk(sk); struct sock *ssk; - pr_debug("msk=%p", msk); + pr_debug("msk=%p\n", msk); if (mptcp_unsupported(level, optname)) return -ENOPROTOOPT; @@ -2383,7 +2383,7 @@ static int mptcp_getsockopt(struct sock *sk, int level, int optname, struct mptcp_sock *msk = mptcp_sk(sk); struct sock *ssk; - pr_debug("msk=%p", msk); + pr_debug("msk=%p\n", msk); /* @@ the meaning of setsockopt() when the socket is connected and * there are multiple subflows is not yet defined. It is up to the @@ -2454,7 +2454,7 @@ static int mptcp_get_port(struct sock *sk, unsigned short snum) struct socket *ssock; ssock = __mptcp_nmpc_socket(msk); - pr_debug("msk=%p, subflow=%p", msk, ssock); + pr_debug("msk=%p, subflow=%p\n", msk, ssock); if (WARN_ON_ONCE(!ssock)) return -EINVAL; @@ -2472,7 +2472,7 @@ void mptcp_finish_connect(struct sock *ssk) sk = subflow->conn; msk = mptcp_sk(sk); - pr_debug("msk=%p, token=%u", sk, subflow->token); + pr_debug("msk=%p, token=%u\n", sk, subflow->token); mptcp_crypto_key_sha(subflow->remote_key, NULL, &ack_seq); ack_seq++; @@ -2511,7 +2511,7 @@ bool mptcp_finish_join(struct sock *sk) struct socket *parent_sock; bool ret; - pr_debug("msk=%p, subflow=%p", msk, subflow); + pr_debug("msk=%p, subflow=%p\n", msk, subflow); /* mptcp socket already closing? */ if (!mptcp_is_fully_established(parent)) @@ -2673,7 +2673,7 @@ static int mptcp_listen(struct socket *sock, int backlog) struct socket *ssock; int err; - pr_debug("msk=%p", msk); + pr_debug("msk=%p\n", msk); lock_sock(sock->sk); ssock = __mptcp_nmpc_socket(msk); @@ -2703,7 +2703,7 @@ static int mptcp_stream_accept(struct socket *sock, struct socket *newsock, struct socket *ssock; int err; - pr_debug("msk=%p", msk); + pr_debug("msk=%p\n", msk); lock_sock(sock->sk); if (sock->sk->sk_state != TCP_LISTEN) @@ -2762,7 +2762,7 @@ static __poll_t mptcp_poll(struct file *file, struct socket *sock, sock_poll_wait(file, sock, wait); state = inet_sk_state_load(sk); - pr_debug("msk=%p state=%d flags=%lx", msk, state, msk->flags); + pr_debug("msk=%p state=%d flags=%lx\n", msk, state, msk->flags); if (state == TCP_LISTEN) return mptcp_check_readable(msk); @@ -2783,7 +2783,7 @@ static int mptcp_shutdown(struct socket *sock, int how) struct mptcp_subflow_context *subflow; int ret = 0; - pr_debug("sk=%p, how=%d", msk, how); + pr_debug("sk=%p, how=%d\n", msk, how); lock_sock(sock->sk); diff --git a/net/mptcp/protocol.h b/net/mptcp/protocol.h index 4348bccb982f..b8351b671c2f 100644 --- a/net/mptcp/protocol.h +++ b/net/mptcp/protocol.h @@ -523,7 +523,7 @@ static inline bool mptcp_check_fallback(const struct sock *sk) static inline void __mptcp_do_fallback(struct mptcp_sock *msk) { if (test_bit(MPTCP_FALLBACK_DONE, &msk->flags)) { - pr_debug("TCP fallback already done (msk=%p)", msk); + pr_debug("TCP fallback already done (msk=%p)\n", msk); return; } set_bit(MPTCP_FALLBACK_DONE, &msk->flags); @@ -537,7 +537,7 @@ static inline void mptcp_do_fallback(struct sock *sk) __mptcp_do_fallback(msk); } -#define pr_fallback(a) pr_debug("%s:fallback to TCP (msk=%p)", __func__, a) +#define pr_fallback(a) pr_debug("%s:fallback to TCP (msk=%p)\n", __func__, a) static inline bool subflow_simultaneous_connect(struct sock *sk) { diff --git a/net/mptcp/subflow.c b/net/mptcp/subflow.c index ba86cb06d6d8..8a0ef50c307c 100644 --- a/net/mptcp/subflow.c +++ b/net/mptcp/subflow.c @@ -34,7 +34,7 @@ static void subflow_req_destructor(struct request_sock *req) { struct mptcp_subflow_request_sock *subflow_req = mptcp_subflow_rsk(req); - pr_debug("subflow_req=%p", subflow_req); + pr_debug("subflow_req=%p\n", subflow_req); if (subflow_req->msk) sock_put((struct sock *)subflow_req->msk); @@ -121,7 +121,7 @@ static void subflow_init_req(struct request_sock *req, struct mptcp_options_received mp_opt; int ret; - pr_debug("subflow_req=%p, listener=%p", subflow_req, listener); + pr_debug("subflow_req=%p, listener=%p\n", subflow_req, listener); ret = __subflow_init_req(req, sk_listener); if (ret) @@ -183,7 +183,7 @@ static void subflow_init_req(struct request_sock *req, subflow_init_req_cookie_join_save(subflow_req, skb); } - pr_debug("token=%u, remote_nonce=%u msk=%p", subflow_req->token, + pr_debug("token=%u, remote_nonce=%u msk=%p\n", subflow_req->token, subflow_req->remote_nonce, subflow_req->msk); } } @@ -306,7 +306,7 @@ static void subflow_finish_connect(struct sock *sk, const struct sk_buff *skb) subflow->rel_write_seq = 1; subflow->conn_finished = 1; subflow->ssn_offset = TCP_SKB_CB(skb)->seq; - pr_debug("subflow=%p synack seq=%x", subflow, subflow->ssn_offset); + pr_debug("subflow=%p synack seq=%x\n", subflow, subflow->ssn_offset); mptcp_get_options(skb, &mp_opt); if (subflow->request_mptcp) { @@ -321,7 +321,7 @@ static void subflow_finish_connect(struct sock *sk, const struct sk_buff *skb) subflow->mp_capable = 1; subflow->can_ack = 1; subflow->remote_key = mp_opt.sndr_key; - pr_debug("subflow=%p, remote_key=%llu", subflow, + pr_debug("subflow=%p, remote_key=%llu\n", subflow, subflow->remote_key); mptcp_finish_connect(sk); } else if (subflow->request_join) { @@ -332,7 +332,7 @@ static void subflow_finish_connect(struct sock *sk, const struct sk_buff *skb) subflow->thmac = mp_opt.thmac; subflow->remote_nonce = mp_opt.nonce; - pr_debug("subflow=%p, thmac=%llu, remote_nonce=%u", subflow, + pr_debug("subflow=%p, thmac=%llu, remote_nonce=%u\n", subflow, subflow->thmac, subflow->remote_nonce); if (!subflow_thmac_valid(subflow)) { @@ -371,7 +371,7 @@ static int subflow_v4_conn_request(struct sock *sk, struct sk_buff *skb) { struct mptcp_subflow_context *subflow = mptcp_subflow_ctx(sk); - pr_debug("subflow=%p", subflow); + pr_debug("subflow=%p\n", subflow); /* Never answer to SYNs sent to broadcast or multicast */ if (skb_rtable(skb)->rt_flags & (RTCF_BROADCAST | RTCF_MULTICAST)) @@ -401,7 +401,7 @@ static int subflow_v6_conn_request(struct sock *sk, struct sk_buff *skb) { struct mptcp_subflow_context *subflow = mptcp_subflow_ctx(sk); - pr_debug("subflow=%p", subflow); + pr_debug("subflow=%p\n", subflow); if (skb->protocol == htons(ETH_P_IP)) return subflow_v4_conn_request(sk, skb); @@ -543,7 +543,7 @@ static struct sock *subflow_syn_recv_sock(const struct sock *sk, struct sock *new_msk = NULL; struct sock *child; - pr_debug("listener=%p, req=%p, conn=%p", listener, req, listener->conn); + pr_debug("listener=%p, req=%p, conn=%p\n", listener, req, listener->conn); /* After child creation we must look for 'mp_capable' even when options * are not parsed @@ -692,7 +692,7 @@ static u64 expand_seq(u64 old_seq, u16 old_data_len, u64 seq) static void dbg_bad_map(struct mptcp_subflow_context *subflow, u32 ssn) { - pr_debug("Bad mapping: ssn=%d map_seq=%d map_data_len=%d", + pr_debug("Bad mapping: ssn=%d map_seq=%d map_data_len=%d\n", ssn, subflow->map_subflow_seq, subflow->map_data_len); } @@ -768,7 +768,7 @@ static enum mapping_status get_mapping_status(struct sock *ssk, goto validate_seq; } - pr_debug("seq=%llu is64=%d ssn=%u data_len=%u data_fin=%d", + pr_debug("seq=%llu is64=%d ssn=%u data_len=%u data_fin=%d\n", mpext->data_seq, mpext->dsn64, mpext->subflow_seq, mpext->data_len, mpext->data_fin); @@ -782,7 +782,7 @@ static enum mapping_status get_mapping_status(struct sock *ssk, if (data_len == 1) { bool updated = mptcp_update_rcv_data_fin(msk, mpext->data_seq, mpext->dsn64); - pr_debug("DATA_FIN with no payload seq=%llu", mpext->data_seq); + pr_debug("DATA_FIN with no payload seq=%llu\n", mpext->data_seq); if (subflow->map_valid) { /* A DATA_FIN might arrive in a DSS * option before the previous mapping @@ -807,7 +807,7 @@ static enum mapping_status get_mapping_status(struct sock *ssk, data_fin_seq &= GENMASK_ULL(31, 0); mptcp_update_rcv_data_fin(msk, data_fin_seq, mpext->dsn64); - pr_debug("DATA_FIN with mapping seq=%llu dsn64=%d", + pr_debug("DATA_FIN with mapping seq=%llu dsn64=%d\n", data_fin_seq, mpext->dsn64); } @@ -818,7 +818,7 @@ static enum mapping_status get_mapping_status(struct sock *ssk, if (!mpext->dsn64) { map_seq = expand_seq(subflow->map_seq, subflow->map_data_len, mpext->data_seq); - pr_debug("expanded seq=%llu", subflow->map_seq); + pr_debug("expanded seq=%llu\n", subflow->map_seq); } else { map_seq = mpext->data_seq; } @@ -850,7 +850,7 @@ static enum mapping_status get_mapping_status(struct sock *ssk, subflow->map_data_len = data_len; subflow->map_valid = 1; subflow->mpc_map = mpext->mpc_map; - pr_debug("new map seq=%llu subflow_seq=%u data_len=%u", + pr_debug("new map seq=%llu subflow_seq=%u data_len=%u\n", subflow->map_seq, subflow->map_subflow_seq, subflow->map_data_len); @@ -880,7 +880,7 @@ static void mptcp_subflow_discard_data(struct sock *ssk, struct sk_buff *skb, avail_len = skb->len - offset; incr = limit >= avail_len ? avail_len + fin : limit; - pr_debug("discarding=%d len=%d offset=%d seq=%d", incr, skb->len, + pr_debug("discarding=%d len=%d offset=%d seq=%d\n", incr, skb->len, offset, subflow->map_subflow_seq); MPTCP_INC_STATS(sock_net(ssk), MPTCP_MIB_DUPDATA); tcp_sk(ssk)->copied_seq += incr; @@ -901,7 +901,7 @@ static bool subflow_check_data_avail(struct sock *ssk) struct mptcp_sock *msk; struct sk_buff *skb; - pr_debug("msk=%p ssk=%p data_avail=%d skb=%p", subflow->conn, ssk, + pr_debug("msk=%p ssk=%p data_avail=%d skb=%p\n", subflow->conn, ssk, subflow->data_avail, skb_peek(&ssk->sk_receive_queue)); if (!skb_peek(&ssk->sk_receive_queue)) subflow->data_avail = 0; @@ -914,7 +914,7 @@ static bool subflow_check_data_avail(struct sock *ssk) u64 old_ack; status = get_mapping_status(ssk, msk); - pr_debug("msk=%p ssk=%p status=%d", msk, ssk, status); + pr_debug("msk=%p ssk=%p status=%d\n", msk, ssk, status); if (status == MAPPING_INVALID) { ssk->sk_err = EBADMSG; goto fatal; @@ -953,7 +953,7 @@ static bool subflow_check_data_avail(struct sock *ssk) old_ack = READ_ONCE(msk->ack_seq); ack_seq = mptcp_subflow_get_mapped_dsn(subflow); - pr_debug("msk ack_seq=%llx subflow ack_seq=%llx", old_ack, + pr_debug("msk ack_seq=%llx subflow ack_seq=%llx\n", old_ack, ack_seq); if (ack_seq == old_ack) { subflow->data_avail = MPTCP_SUBFLOW_DATA_AVAIL; @@ -991,7 +991,7 @@ bool mptcp_subflow_data_available(struct sock *sk) subflow->map_valid = 0; subflow->data_avail = 0; - pr_debug("Done with mapping: seq=%u data_len=%u", + pr_debug("Done with mapping: seq=%u data_len=%u\n", subflow->map_subflow_seq, subflow->map_data_len); } @@ -1079,7 +1079,7 @@ void mptcpv6_handle_mapped(struct sock *sk, bool mapped) target = mapped ? &subflow_v6m_specific : subflow_default_af_ops(sk); - pr_debug("subflow=%p family=%d ops=%p target=%p mapped=%d", + pr_debug("subflow=%p family=%d ops=%p target=%p mapped=%d\n", subflow, sk->sk_family, icsk->icsk_af_ops, target, mapped); if (likely(icsk->icsk_af_ops == target)) @@ -1162,7 +1162,7 @@ int __mptcp_subflow_connect(struct sock *sk, const struct mptcp_addr_info *loc, goto failed; mptcp_crypto_key_sha(subflow->remote_key, &remote_token, NULL); - pr_debug("msk=%p remote_token=%u local_id=%d remote_id=%d", msk, + pr_debug("msk=%p remote_token=%u local_id=%d remote_id=%d\n", msk, remote_token, local_id, remote_id); subflow->remote_token = remote_token; subflow->local_id = local_id; @@ -1233,7 +1233,7 @@ int mptcp_subflow_create_socket(struct sock *sk, struct socket **new_sock) SOCK_INODE(sf)->i_gid = SOCK_INODE(sk->sk_socket)->i_gid; subflow = mptcp_subflow_ctx(sf->sk); - pr_debug("subflow=%p", subflow); + pr_debug("subflow=%p\n", subflow); *new_sock = sf; sock_hold(sk); @@ -1255,7 +1255,7 @@ static struct mptcp_subflow_context *subflow_create_ctx(struct sock *sk, rcu_assign_pointer(icsk->icsk_ulp_data, ctx); INIT_LIST_HEAD(&ctx->node); - pr_debug("subflow=%p", ctx); + pr_debug("subflow=%p\n", ctx); ctx->tcp_sock = sk; @@ -1332,7 +1332,7 @@ static int subflow_ulp_init(struct sock *sk) goto out; } - pr_debug("subflow=%p, family=%d", ctx, sk->sk_family); + pr_debug("subflow=%p, family=%d\n", ctx, sk->sk_family); tp->is_mptcp = 1; ctx->icsk_af_ops = icsk->icsk_af_ops; From 2197b23eda2b67b2a59225bb0ec5d2dbdc2558cb Mon Sep 17 00:00:00 2001 From: Josef Bacik Date: Thu, 5 Sep 2024 11:30:52 -0400 Subject: [PATCH 586/702] sunrpc: don't change ->sv_stats if it doesn't exist [ Upstream commit ab42f4d9a26f1723dcfd6c93fcf768032b2bb5e7 ] We check for the existence of ->sv_stats elsewhere except in the core processing code. It appears that only nfsd actual exports these values anywhere, everybody else just has a write only copy of sv_stats in their svc_program. Add a check for ->sv_stats before every adjustment to allow us to eliminate the stats struct from all the users who don't report the stats. Signed-off-by: Josef Bacik Reviewed-by: Jeff Layton [ cel: adjusted to apply to v5.10.y ] Signed-off-by: Chuck Lever Signed-off-by: Greg Kroah-Hartman --- net/sunrpc/svc.c | 24 ++++++++++++++++-------- 1 file changed, 16 insertions(+), 8 deletions(-) diff --git a/net/sunrpc/svc.c b/net/sunrpc/svc.c index f8815ae776e6..8ee5fc21e1ce 100644 --- a/net/sunrpc/svc.c +++ b/net/sunrpc/svc.c @@ -1355,7 +1355,8 @@ svc_process_common(struct svc_rqst *rqstp, struct kvec *argv, struct kvec *resv) goto err_bad_proc; /* Syntactic check complete */ - serv->sv_stats->rpccnt++; + if (serv->sv_stats) + serv->sv_stats->rpccnt++; trace_svc_process(rqstp, progp->pg_name); /* Build the reply header. */ @@ -1421,7 +1422,8 @@ svc_process_common(struct svc_rqst *rqstp, struct kvec *argv, struct kvec *resv) goto close_xprt; err_bad_rpc: - serv->sv_stats->rpcbadfmt++; + if (serv->sv_stats) + serv->sv_stats->rpcbadfmt++; svc_putnl(resv, 1); /* REJECT */ svc_putnl(resv, 0); /* RPC_MISMATCH */ svc_putnl(resv, 2); /* Only RPCv2 supported */ @@ -1434,7 +1436,8 @@ svc_process_common(struct svc_rqst *rqstp, struct kvec *argv, struct kvec *resv) err_bad_auth: dprintk("svc: authentication failed (%d)\n", be32_to_cpu(rqstp->rq_auth_stat)); - serv->sv_stats->rpcbadauth++; + if (serv->sv_stats) + serv->sv_stats->rpcbadauth++; /* Restore write pointer to location of accept status: */ xdr_ressize_check(rqstp, reply_statp); svc_putnl(resv, 1); /* REJECT */ @@ -1444,7 +1447,8 @@ svc_process_common(struct svc_rqst *rqstp, struct kvec *argv, struct kvec *resv) err_bad_prog: dprintk("svc: unknown program %d\n", prog); - serv->sv_stats->rpcbadfmt++; + if (serv->sv_stats) + serv->sv_stats->rpcbadfmt++; svc_putnl(resv, RPC_PROG_UNAVAIL); goto sendit; @@ -1452,7 +1456,8 @@ svc_process_common(struct svc_rqst *rqstp, struct kvec *argv, struct kvec *resv) svc_printk(rqstp, "unknown version (%d for prog %d, %s)\n", rqstp->rq_vers, rqstp->rq_prog, progp->pg_name); - serv->sv_stats->rpcbadfmt++; + if (serv->sv_stats) + serv->sv_stats->rpcbadfmt++; svc_putnl(resv, RPC_PROG_MISMATCH); svc_putnl(resv, process.mismatch.lovers); svc_putnl(resv, process.mismatch.hivers); @@ -1461,7 +1466,8 @@ svc_process_common(struct svc_rqst *rqstp, struct kvec *argv, struct kvec *resv) err_bad_proc: svc_printk(rqstp, "unknown procedure (%d)\n", rqstp->rq_proc); - serv->sv_stats->rpcbadfmt++; + if (serv->sv_stats) + serv->sv_stats->rpcbadfmt++; svc_putnl(resv, RPC_PROC_UNAVAIL); goto sendit; @@ -1470,7 +1476,8 @@ svc_process_common(struct svc_rqst *rqstp, struct kvec *argv, struct kvec *resv) rpc_stat = rpc_garbage_args; err_bad: - serv->sv_stats->rpcbadfmt++; + if (serv->sv_stats) + serv->sv_stats->rpcbadfmt++; svc_putnl(resv, ntohl(rpc_stat)); goto sendit; } @@ -1505,7 +1512,8 @@ svc_process(struct svc_rqst *rqstp) if (dir != 0) { /* direction != CALL */ svc_printk(rqstp, "bad direction %d, dropping request\n", dir); - serv->sv_stats->rpcbadfmt++; + if (serv->sv_stats) + serv->sv_stats->rpcbadfmt++; goto out_drop; } From ddee5b4b6a1cc03c1e9921cf34382e094c2009f1 Mon Sep 17 00:00:00 2001 From: "Matthieu Baerts (NGI0)" Date: Fri, 6 Sep 2024 11:22:23 +0200 Subject: [PATCH 587/702] mptcp: pm: avoid possible UaF when selecting endp commit 48e50dcbcbaaf713d82bf2da5c16aeced94ad07d upstream. select_local_address() and select_signal_address() both select an endpoint entry from the list inside an RCU protected section, but return a reference to it, to be read later on. If the entry is dereferenced after the RCU unlock, reading info could cause a Use-after-Free. A simple solution is to copy the required info while inside the RCU protected section to avoid any risk of UaF later. The address ID might need to be modified later to handle the ID0 case later, so a copy seems OK to deal with. Reported-by: Paolo Abeni Closes: https://lore.kernel.org/45cd30d3-7710-491c-ae4d-a1368c00beb1@redhat.com Fixes: 01cacb00b35c ("mptcp: add netlink-based PM") Cc: stable@vger.kernel.org Reviewed-by: Mat Martineau Signed-off-by: Matthieu Baerts (NGI0) Link: https://patch.msgid.link/20240819-net-mptcp-pm-reusing-id-v1-14-38035d40de5b@kernel.org Signed-off-by: Jakub Kicinski [ Conflicts in pm_netlink.c, because quite a bit of new code has been added around since commit 86e39e04482b ("mptcp: keep track of local endpoint still available for each msk"), and commit 2843ff6f36db ("mptcp: remote addresses fullmesh"). But the issue is still there. The conflicts have been resolved using the same way: by adding a new parameter to select_local_address() and select_signal_address(), and use it instead of the pointer they were previously returning. The code is simpler in this version, this conflict resolution looks safe. ] Signed-off-by: Matthieu Baerts (NGI0) Signed-off-by: Greg Kroah-Hartman --- net/mptcp/pm_netlink.c | 45 +++++++++++++++++++++++------------------- 1 file changed, 25 insertions(+), 20 deletions(-) diff --git a/net/mptcp/pm_netlink.c b/net/mptcp/pm_netlink.c index 25fab477f0b1..f115c92c45d4 100644 --- a/net/mptcp/pm_netlink.c +++ b/net/mptcp/pm_netlink.c @@ -127,11 +127,13 @@ static bool lookup_subflow_by_saddr(const struct list_head *list, return false; } -static struct mptcp_pm_addr_entry * +static bool select_local_address(const struct pm_nl_pernet *pernet, - struct mptcp_sock *msk) + struct mptcp_sock *msk, + struct mptcp_pm_addr_entry *new_entry) { - struct mptcp_pm_addr_entry *entry, *ret = NULL; + struct mptcp_pm_addr_entry *entry; + bool found = false; rcu_read_lock(); spin_lock_bh(&msk->join_list_lock); @@ -145,19 +147,23 @@ select_local_address(const struct pm_nl_pernet *pernet, if (entry->addr.family == ((struct sock *)msk)->sk_family && !lookup_subflow_by_saddr(&msk->conn_list, &entry->addr) && !lookup_subflow_by_saddr(&msk->join_list, &entry->addr)) { - ret = entry; + *new_entry = *entry; + found = true; break; } } spin_unlock_bh(&msk->join_list_lock); rcu_read_unlock(); - return ret; + + return found; } -static struct mptcp_pm_addr_entry * -select_signal_address(struct pm_nl_pernet *pernet, unsigned int pos) +static bool +select_signal_address(struct pm_nl_pernet *pernet, unsigned int pos, + struct mptcp_pm_addr_entry *new_entry) { - struct mptcp_pm_addr_entry *entry, *ret = NULL; + struct mptcp_pm_addr_entry *entry; + bool found = false; int i = 0; rcu_read_lock(); @@ -170,12 +176,14 @@ select_signal_address(struct pm_nl_pernet *pernet, unsigned int pos) if (!(entry->addr.flags & MPTCP_PM_ADDR_FLAG_SIGNAL)) continue; if (i++ == pos) { - ret = entry; + *new_entry = *entry; + found = true; break; } } rcu_read_unlock(); - return ret; + + return found; } static void check_work_pending(struct mptcp_sock *msk) @@ -305,7 +313,7 @@ static void mptcp_pm_create_subflow_or_signal_addr(struct mptcp_sock *msk) { struct mptcp_addr_info remote = { 0 }; struct sock *sk = (struct sock *)msk; - struct mptcp_pm_addr_entry *local; + struct mptcp_pm_addr_entry local; struct pm_nl_pernet *pernet; pernet = net_generic(sock_net((struct sock *)msk), pm_nl_pernet_id); @@ -317,13 +325,11 @@ static void mptcp_pm_create_subflow_or_signal_addr(struct mptcp_sock *msk) /* check first for announce */ if (msk->pm.add_addr_signaled < msk->pm.add_addr_signal_max) { - local = select_signal_address(pernet, - msk->pm.add_addr_signaled); - - if (local) { - if (mptcp_pm_alloc_anno_list(msk, local)) { + if (select_signal_address(pernet, msk->pm.add_addr_signaled, + &local)) { + if (mptcp_pm_alloc_anno_list(msk, &local)) { msk->pm.add_addr_signaled++; - mptcp_pm_announce_addr(msk, &local->addr, false); + mptcp_pm_announce_addr(msk, &local.addr, false); } } else { /* pick failed, avoid fourther attempts later */ @@ -338,13 +344,12 @@ static void mptcp_pm_create_subflow_or_signal_addr(struct mptcp_sock *msk) msk->pm.subflows < msk->pm.subflows_max) { remote_address((struct sock_common *)sk, &remote); - local = select_local_address(pernet, msk); - if (local) { + if (select_local_address(pernet, msk, &local)) { msk->pm.local_addr_used++; msk->pm.subflows++; check_work_pending(msk); spin_unlock_bh(&msk->pm.lock); - __mptcp_subflow_connect(sk, &local->addr, &remote); + __mptcp_subflow_connect(sk, &local.addr, &remote); spin_lock_bh(&msk->pm.lock); return; } From d06254ae7d6af509c9170cc367a454c91133902b Mon Sep 17 00:00:00 2001 From: Josef Bacik Date: Thu, 5 Sep 2024 11:30:53 -0400 Subject: [PATCH 588/702] nfsd: stop setting ->pg_stats for unused stats [ Upstream commit a2214ed588fb3c5b9824a21cff870482510372bb ] A lot of places are setting a blank svc_stats in ->pg_stats and never utilizing these stats. Remove all of these extra structs as we're not reporting these stats anywhere. Signed-off-by: Josef Bacik Reviewed-by: Jeff Layton Signed-off-by: Chuck Lever Signed-off-by: Greg Kroah-Hartman --- fs/lockd/svc.c | 3 --- fs/nfs/callback.c | 3 --- fs/nfsd/nfssvc.c | 5 ----- 3 files changed, 11 deletions(-) diff --git a/fs/lockd/svc.c b/fs/lockd/svc.c index 5579e67da17d..c33f78513f00 100644 --- a/fs/lockd/svc.c +++ b/fs/lockd/svc.c @@ -759,8 +759,6 @@ static const struct svc_version *nlmsvc_version[] = { #endif }; -static struct svc_stat nlmsvc_stats; - #define NLM_NRVERS ARRAY_SIZE(nlmsvc_version) static struct svc_program nlmsvc_program = { .pg_prog = NLM_PROGRAM, /* program number */ @@ -768,7 +766,6 @@ static struct svc_program nlmsvc_program = { .pg_vers = nlmsvc_version, /* version table */ .pg_name = "lockd", /* service name */ .pg_class = "nfsd", /* share authentication with nfsd */ - .pg_stats = &nlmsvc_stats, /* stats table */ .pg_authenticate = &lockd_authenticate, /* export authentication */ .pg_init_request = svc_generic_init_request, .pg_rpcbind_set = svc_generic_rpcbind_set, diff --git a/fs/nfs/callback.c b/fs/nfs/callback.c index 8fe143cad4a2..f00fff3633f6 100644 --- a/fs/nfs/callback.c +++ b/fs/nfs/callback.c @@ -407,15 +407,12 @@ static const struct svc_version *nfs4_callback_version[] = { [4] = &nfs4_callback_version4, }; -static struct svc_stat nfs4_callback_stats; - static struct svc_program nfs4_callback_program = { .pg_prog = NFS4_CALLBACK, /* RPC service number */ .pg_nvers = ARRAY_SIZE(nfs4_callback_version), /* Number of entries */ .pg_vers = nfs4_callback_version, /* version table */ .pg_name = "NFSv4 callback", /* service name */ .pg_class = "nfs", /* authentication class */ - .pg_stats = &nfs4_callback_stats, .pg_authenticate = nfs_callback_authenticate, .pg_init_request = svc_generic_init_request, .pg_rpcbind_set = svc_generic_rpcbind_set, diff --git a/fs/nfsd/nfssvc.c b/fs/nfsd/nfssvc.c index 3fdff9a3b182..2a11804b0e45 100644 --- a/fs/nfsd/nfssvc.c +++ b/fs/nfsd/nfssvc.c @@ -89,7 +89,6 @@ unsigned long nfsd_drc_max_mem; unsigned long nfsd_drc_mem_used; #if defined(CONFIG_NFSD_V2_ACL) || defined(CONFIG_NFSD_V3_ACL) -static struct svc_stat nfsd_acl_svcstats; static const struct svc_version *nfsd_acl_version[] = { # if defined(CONFIG_NFSD_V2_ACL) [2] = &nfsd_acl_version2, @@ -108,15 +107,11 @@ static struct svc_program nfsd_acl_program = { .pg_vers = nfsd_acl_version, .pg_name = "nfsacl", .pg_class = "nfsd", - .pg_stats = &nfsd_acl_svcstats, .pg_authenticate = &svc_set_client, .pg_init_request = nfsd_acl_init_request, .pg_rpcbind_set = nfsd_acl_rpcbind_set, }; -static struct svc_stat nfsd_acl_svcstats = { - .program = &nfsd_acl_program, -}; #endif /* defined(CONFIG_NFSD_V2_ACL) || defined(CONFIG_NFSD_V3_ACL) */ static const struct svc_version *nfsd_version[] = { From 7f2476914e98cbf02fb24d1642bc628cbf9b8d0c Mon Sep 17 00:00:00 2001 From: Josef Bacik Date: Thu, 5 Sep 2024 11:30:54 -0400 Subject: [PATCH 589/702] sunrpc: pass in the sv_stats struct through svc_create_pooled [ Upstream commit f094323867668d50124886ad884b665de7319537 ] Since only one service actually reports the rpc stats there's not much of a reason to have a pointer to it in the svc_program struct. Adjust the svc_create_pooled function to take the sv_stats as an argument and pass the struct through there as desired instead of getting it from the svc_program->pg_stats. Signed-off-by: Josef Bacik Reviewed-by: Jeff Layton [ cel: adjusted to apply to v5.10.y ] Signed-off-by: Chuck Lever Signed-off-by: Greg Kroah-Hartman --- fs/nfsd/nfssvc.c | 3 ++- include/linux/sunrpc/svc.h | 4 +++- net/sunrpc/svc.c | 12 +++++++----- 3 files changed, 12 insertions(+), 7 deletions(-) diff --git a/fs/nfsd/nfssvc.c b/fs/nfsd/nfssvc.c index 2a11804b0e45..dde1824bc6de 100644 --- a/fs/nfsd/nfssvc.c +++ b/fs/nfsd/nfssvc.c @@ -664,7 +664,8 @@ int nfsd_create_serv(struct net *net) if (nfsd_max_blksize == 0) nfsd_max_blksize = nfsd_get_default_max_blksize(); nfsd_reset_versions(nn); - serv = svc_create_pooled(&nfsd_program, nfsd_max_blksize, nfsd); + serv = svc_create_pooled(&nfsd_program, &nfsd_svcstats, + nfsd_max_blksize, nfsd); if (serv == NULL) return -ENOMEM; diff --git a/include/linux/sunrpc/svc.h b/include/linux/sunrpc/svc.h index 00303c636a89..5753faa8d483 100644 --- a/include/linux/sunrpc/svc.h +++ b/include/linux/sunrpc/svc.h @@ -484,7 +484,9 @@ void svc_rqst_replace_page(struct svc_rqst *rqstp, struct page *page); void svc_rqst_free(struct svc_rqst *); void svc_exit_thread(struct svc_rqst *); -struct svc_serv * svc_create_pooled(struct svc_program *, unsigned int, +struct svc_serv * svc_create_pooled(struct svc_program *prog, + struct svc_stat *stats, + unsigned int bufsize, int (*threadfn)(void *data)); int svc_set_num_threads(struct svc_serv *, struct svc_pool *, int); int svc_pool_stats_open(struct svc_serv *serv, struct file *file); diff --git a/net/sunrpc/svc.c b/net/sunrpc/svc.c index 8ee5fc21e1ce..4212fb1c3d88 100644 --- a/net/sunrpc/svc.c +++ b/net/sunrpc/svc.c @@ -445,8 +445,8 @@ __svc_init_bc(struct svc_serv *serv) * Create an RPC service */ static struct svc_serv * -__svc_create(struct svc_program *prog, unsigned int bufsize, int npools, - int (*threadfn)(void *data)) +__svc_create(struct svc_program *prog, struct svc_stat *stats, + unsigned int bufsize, int npools, int (*threadfn)(void *data)) { struct svc_serv *serv; unsigned int vers; @@ -458,7 +458,7 @@ __svc_create(struct svc_program *prog, unsigned int bufsize, int npools, serv->sv_name = prog->pg_name; serv->sv_program = prog; kref_init(&serv->sv_refcnt); - serv->sv_stats = prog->pg_stats; + serv->sv_stats = stats; if (bufsize > RPCSVC_MAXPAYLOAD) bufsize = RPCSVC_MAXPAYLOAD; serv->sv_max_payload = bufsize? bufsize : 4096; @@ -520,26 +520,28 @@ __svc_create(struct svc_program *prog, unsigned int bufsize, int npools, struct svc_serv *svc_create(struct svc_program *prog, unsigned int bufsize, int (*threadfn)(void *data)) { - return __svc_create(prog, bufsize, 1, threadfn); + return __svc_create(prog, NULL, bufsize, 1, threadfn); } EXPORT_SYMBOL_GPL(svc_create); /** * svc_create_pooled - Create an RPC service with pooled threads * @prog: the RPC program the new service will handle + * @stats: the stats struct if desired * @bufsize: maximum message size for @prog * @threadfn: a function to service RPC requests for @prog * * Returns an instantiated struct svc_serv object or NULL. */ struct svc_serv *svc_create_pooled(struct svc_program *prog, + struct svc_stat *stats, unsigned int bufsize, int (*threadfn)(void *data)) { struct svc_serv *serv; unsigned int npools = svc_pool_map_get(); - serv = __svc_create(prog, bufsize, npools, threadfn); + serv = __svc_create(prog, stats, bufsize, npools, threadfn); if (!serv) goto out_err; return serv; From e0fba78ab9b0c9e5142422251698bbdef28aeb94 Mon Sep 17 00:00:00 2001 From: Josef Bacik Date: Thu, 5 Sep 2024 11:30:55 -0400 Subject: [PATCH 590/702] sunrpc: remove ->pg_stats from svc_program [ Upstream commit 3f6ef182f144dcc9a4d942f97b6a8ed969f13c95 ] Now that this isn't used anywhere, remove it. Signed-off-by: Josef Bacik Reviewed-by: Jeff Layton [ cel: adjusted to apply to v5.10.y ] Signed-off-by: Chuck Lever Signed-off-by: Greg Kroah-Hartman --- fs/nfsd/nfssvc.c | 1 - include/linux/sunrpc/svc.h | 1 - 2 files changed, 2 deletions(-) diff --git a/fs/nfsd/nfssvc.c b/fs/nfsd/nfssvc.c index dde1824bc6de..a5f33089c7d9 100644 --- a/fs/nfsd/nfssvc.c +++ b/fs/nfsd/nfssvc.c @@ -136,7 +136,6 @@ struct svc_program nfsd_program = { .pg_vers = nfsd_version, /* version table */ .pg_name = "nfsd", /* program name */ .pg_class = "nfsd", /* authentication class */ - .pg_stats = &nfsd_svcstats, /* version table */ .pg_authenticate = &svc_set_client, /* export authentication */ .pg_init_request = nfsd_init_request, .pg_rpcbind_set = nfsd_rpcbind_set, diff --git a/include/linux/sunrpc/svc.h b/include/linux/sunrpc/svc.h index 5753faa8d483..dea002ad99fc 100644 --- a/include/linux/sunrpc/svc.h +++ b/include/linux/sunrpc/svc.h @@ -410,7 +410,6 @@ struct svc_program { const struct svc_version **pg_vers; /* version array */ char * pg_name; /* service name */ char * pg_class; /* class name: services sharing authentication */ - struct svc_stat * pg_stats; /* rpc statistics */ int (*pg_authenticate)(struct svc_rqst *); __be32 (*pg_init_request)(struct svc_rqst *, const struct svc_program *, From 9eb5d44b8fb1d258f13f10bbcd0ba511aae8203d Mon Sep 17 00:00:00 2001 From: Josef Bacik Date: Thu, 5 Sep 2024 11:30:56 -0400 Subject: [PATCH 591/702] sunrpc: use the struct net as the svc proc private [ Upstream commit 418b9687dece5bd763c09b5c27a801a7e3387be9 ] nfsd is the only thing using this helper, and it doesn't use the private currently. When we switch to per-network namespace stats we will need the struct net * in order to get to the nfsd_net. Use the net as the proc private so we can utilize this when we make the switch over. Signed-off-by: Josef Bacik Reviewed-by: Jeff Layton Signed-off-by: Chuck Lever Signed-off-by: Greg Kroah-Hartman --- net/sunrpc/stats.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/net/sunrpc/stats.c b/net/sunrpc/stats.c index c964b48eaaba..a004c3ef35c0 100644 --- a/net/sunrpc/stats.c +++ b/net/sunrpc/stats.c @@ -309,7 +309,7 @@ EXPORT_SYMBOL_GPL(rpc_proc_unregister); struct proc_dir_entry * svc_proc_register(struct net *net, struct svc_stat *statp, const struct proc_ops *proc_ops) { - return do_register(net, statp->program->pg_name, statp, proc_ops); + return do_register(net, statp->program->pg_name, net, proc_ops); } EXPORT_SYMBOL_GPL(svc_proc_register); From 414736fcb76dab3679f228457a92afc8547b2a31 Mon Sep 17 00:00:00 2001 From: Takashi Iwai Date: Sun, 16 Jun 2024 09:34:47 +0200 Subject: [PATCH 592/702] ALSA: hda: Add input value sanity checks to HDMI channel map controls [ Upstream commit 6278056e42d953e207e2afd416be39d09ed2d496 ] Add a simple sanity check to HD-audio HDMI Channel Map controls. Although the value might not be accepted for the actual connection, we can filter out some bogus values beforehand, and that should be enough for making kselftest happier. Reviewed-by: Jaroslav Kysela Signed-off-by: Takashi Iwai Link: https://lore.kernel.org/20240616073454.16512-7-tiwai@suse.de Signed-off-by: Sasha Levin --- sound/hda/hdmi_chmap.c | 18 ++++++++++++++++++ 1 file changed, 18 insertions(+) diff --git a/sound/hda/hdmi_chmap.c b/sound/hda/hdmi_chmap.c index aad5c4bf4d34..0ebf4d907852 100644 --- a/sound/hda/hdmi_chmap.c +++ b/sound/hda/hdmi_chmap.c @@ -753,6 +753,20 @@ static int hdmi_chmap_ctl_get(struct snd_kcontrol *kcontrol, return 0; } +/* a simple sanity check for input values to chmap kcontrol */ +static int chmap_value_check(struct hdac_chmap *hchmap, + const struct snd_ctl_elem_value *ucontrol) +{ + int i; + + for (i = 0; i < hchmap->channels_max; i++) { + if (ucontrol->value.integer.value[i] < 0 || + ucontrol->value.integer.value[i] > SNDRV_CHMAP_LAST) + return -EINVAL; + } + return 0; +} + static int hdmi_chmap_ctl_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) { @@ -764,6 +778,10 @@ static int hdmi_chmap_ctl_put(struct snd_kcontrol *kcontrol, unsigned char chmap[8], per_pin_chmap[8]; int i, err, ca, prepared = 0; + err = chmap_value_check(hchmap, ucontrol); + if (err < 0) + return err; + /* No monitor is connected in dyn_pcm_assign. * It's invalid to setup the chmap */ From fec6561e75d66bf63da6534d1b667d697b5be05d Mon Sep 17 00:00:00 2001 From: Josef Bacik Date: Thu, 5 Sep 2024 11:30:57 -0400 Subject: [PATCH 593/702] nfsd: rename NFSD_NET_* to NFSD_STATS_* [ Upstream commit d98416cc2154053950610bb6880911e3dcbdf8c5 ] We're going to merge the stats all into per network namespace in subsequent patches, rename these nn counters to be consistent with the rest of the stats. Signed-off-by: Josef Bacik Reviewed-by: Jeff Layton Signed-off-by: Chuck Lever Signed-off-by: Greg Kroah-Hartman --- fs/nfsd/netns.h | 4 ++-- fs/nfsd/nfscache.c | 4 ++-- fs/nfsd/stats.h | 6 +++--- 3 files changed, 7 insertions(+), 7 deletions(-) diff --git a/fs/nfsd/netns.h b/fs/nfsd/netns.h index 51a4b7885cae..d1428f96aa5c 100644 --- a/fs/nfsd/netns.h +++ b/fs/nfsd/netns.h @@ -25,9 +25,9 @@ struct nfsd4_client_tracking_ops; enum { /* cache misses due only to checksum comparison failures */ - NFSD_NET_PAYLOAD_MISSES, + NFSD_STATS_PAYLOAD_MISSES, /* amount of memory (in bytes) currently consumed by the DRC */ - NFSD_NET_DRC_MEM_USAGE, + NFSD_STATS_DRC_MEM_USAGE, NFSD_NET_COUNTERS_NUM }; diff --git a/fs/nfsd/nfscache.c b/fs/nfsd/nfscache.c index 7e1a53c10a7c..b81308cac392 100644 --- a/fs/nfsd/nfscache.c +++ b/fs/nfsd/nfscache.c @@ -673,7 +673,7 @@ int nfsd_reply_cache_stats_show(struct seq_file *m, void *v) atomic_read(&nn->num_drc_entries)); seq_printf(m, "hash buckets: %u\n", 1 << nn->maskbits); seq_printf(m, "mem usage: %lld\n", - percpu_counter_sum_positive(&nn->counter[NFSD_NET_DRC_MEM_USAGE])); + percpu_counter_sum_positive(&nn->counter[NFSD_STATS_DRC_MEM_USAGE])); seq_printf(m, "cache hits: %lld\n", percpu_counter_sum_positive(&nfsdstats.counter[NFSD_STATS_RC_HITS])); seq_printf(m, "cache misses: %lld\n", @@ -681,7 +681,7 @@ int nfsd_reply_cache_stats_show(struct seq_file *m, void *v) seq_printf(m, "not cached: %lld\n", percpu_counter_sum_positive(&nfsdstats.counter[NFSD_STATS_RC_NOCACHE])); seq_printf(m, "payload misses: %lld\n", - percpu_counter_sum_positive(&nn->counter[NFSD_NET_PAYLOAD_MISSES])); + percpu_counter_sum_positive(&nn->counter[NFSD_STATS_PAYLOAD_MISSES])); seq_printf(m, "longest chain len: %u\n", nn->longest_chain); seq_printf(m, "cachesize at longest: %u\n", nn->longest_chain_cachesize); return 0; diff --git a/fs/nfsd/stats.h b/fs/nfsd/stats.h index ac58c4b2ab70..a660f0fb799f 100644 --- a/fs/nfsd/stats.h +++ b/fs/nfsd/stats.h @@ -80,17 +80,17 @@ static inline void nfsd_stats_io_write_add(struct svc_export *exp, s64 amount) static inline void nfsd_stats_payload_misses_inc(struct nfsd_net *nn) { - percpu_counter_inc(&nn->counter[NFSD_NET_PAYLOAD_MISSES]); + percpu_counter_inc(&nn->counter[NFSD_STATS_PAYLOAD_MISSES]); } static inline void nfsd_stats_drc_mem_usage_add(struct nfsd_net *nn, s64 amount) { - percpu_counter_add(&nn->counter[NFSD_NET_DRC_MEM_USAGE], amount); + percpu_counter_add(&nn->counter[NFSD_STATS_DRC_MEM_USAGE], amount); } static inline void nfsd_stats_drc_mem_usage_sub(struct nfsd_net *nn, s64 amount) { - percpu_counter_sub(&nn->counter[NFSD_NET_DRC_MEM_USAGE], amount); + percpu_counter_sub(&nn->counter[NFSD_STATS_DRC_MEM_USAGE], amount); } #endif /* _NFSD_STATS_H */ From 500e4bf67387c81165f9c12bb0fec950ecb9d6ce Mon Sep 17 00:00:00 2001 From: Konstantin Andreev Date: Mon, 17 Jun 2024 01:44:30 +0300 Subject: [PATCH 594/702] smack: unix sockets: fix accept()ed socket label [ Upstream commit e86cac0acdb1a74f608bacefe702f2034133a047 ] When a process accept()s connection from a unix socket (either stream or seqpacket) it gets the socket with the label of the connecting process. For example, if a connecting process has a label 'foo', the accept()ed socket will also have 'in' and 'out' labels 'foo', regardless of the label of the listener process. This is because kernel creates unix child sockets in the context of the connecting process. I do not see any obvious way for the listener to abuse alien labels coming with the new socket, but, to be on the safe side, it's better fix new socket labels. Signed-off-by: Konstantin Andreev Signed-off-by: Casey Schaufler Signed-off-by: Sasha Levin --- security/smack/smack_lsm.c | 12 +++++++++--- 1 file changed, 9 insertions(+), 3 deletions(-) diff --git a/security/smack/smack_lsm.c b/security/smack/smack_lsm.c index 88bcda1f07bf..92bc6c9d793d 100644 --- a/security/smack/smack_lsm.c +++ b/security/smack/smack_lsm.c @@ -3642,12 +3642,18 @@ static int smack_unix_stream_connect(struct sock *sock, } } - /* - * Cross reference the peer labels for SO_PEERSEC. - */ if (rc == 0) { + /* + * Cross reference the peer labels for SO_PEERSEC. + */ nsp->smk_packet = ssp->smk_out; ssp->smk_packet = osp->smk_out; + + /* + * new/child/established socket must inherit listening socket labels + */ + nsp->smk_out = osp->smk_out; + nsp->smk_in = osp->smk_in; } return rc; From 5545496966631cd40ad3aa6450be56d0e5773d10 Mon Sep 17 00:00:00 2001 From: Josef Bacik Date: Thu, 5 Sep 2024 11:30:58 -0400 Subject: [PATCH 595/702] nfsd: expose /proc/net/sunrpc/nfsd in net namespaces [ Upstream commit 93483ac5fec62cc1de166051b219d953bb5e4ef4 ] We are running nfsd servers inside of containers with their own network namespace, and we want to monitor these services using the stats found in /proc. However these are not exposed in the proc inside of the container, so we have to bind mount the host /proc into our containers to get at this information. Separate out the stat counters init and the proc registration, and move the proc registration into the pernet operations entry and exit points so that these stats can be exposed inside of network namespaces. This is an intermediate step, this just exposes the global counters in the network namespace. Subsequent patches will move these counters into the per-network namespace container. Signed-off-by: Josef Bacik Reviewed-by: Jeff Layton Signed-off-by: Chuck Lever Signed-off-by: Greg Kroah-Hartman --- fs/nfsd/nfsctl.c | 8 +++++--- fs/nfsd/stats.c | 21 ++++++--------------- fs/nfsd/stats.h | 6 ++++-- 3 files changed, 15 insertions(+), 20 deletions(-) diff --git a/fs/nfsd/nfsctl.c b/fs/nfsd/nfsctl.c index cc538b8c0287..e49a778e1815 100644 --- a/fs/nfsd/nfsctl.c +++ b/fs/nfsd/nfsctl.c @@ -1466,6 +1466,7 @@ static __net_init int nfsd_init_net(struct net *net) nfsd4_init_leases_net(nn); get_random_bytes(&nn->siphash_key, sizeof(nn->siphash_key)); seqlock_init(&nn->writeverf_lock); + nfsd_proc_stat_init(net); return 0; @@ -1481,6 +1482,7 @@ static __net_exit void nfsd_exit_net(struct net *net) { struct nfsd_net *nn = net_generic(net, nfsd_net_id); + nfsd_proc_stat_shutdown(net); nfsd_net_reply_cache_destroy(nn); nfsd_idmap_shutdown(net); nfsd_export_shutdown(net); @@ -1504,7 +1506,7 @@ static int __init init_nfsd(void) retval = nfsd4_init_pnfs(); if (retval) goto out_free_slabs; - retval = nfsd_stat_init(); /* Statistics */ + retval = nfsd_stat_counters_init(); /* Statistics */ if (retval) goto out_free_pnfs; retval = nfsd_drc_slab_create(); @@ -1540,7 +1542,7 @@ static int __init init_nfsd(void) nfsd_lockd_shutdown(); nfsd_drc_slab_free(); out_free_stat: - nfsd_stat_shutdown(); + nfsd_stat_counters_destroy(); out_free_pnfs: nfsd4_exit_pnfs(); out_free_slabs: @@ -1557,7 +1559,7 @@ static void __exit exit_nfsd(void) nfsd_drc_slab_free(); remove_proc_entry("fs/nfs/exports", NULL); remove_proc_entry("fs/nfs", NULL); - nfsd_stat_shutdown(); + nfsd_stat_counters_destroy(); nfsd_lockd_shutdown(); nfsd4_free_slabs(); nfsd4_exit_pnfs(); diff --git a/fs/nfsd/stats.c b/fs/nfsd/stats.c index 1fe6488a1cf9..22d57f92187e 100644 --- a/fs/nfsd/stats.c +++ b/fs/nfsd/stats.c @@ -106,31 +106,22 @@ void nfsd_percpu_counters_destroy(struct percpu_counter counters[], int num) percpu_counter_destroy(&counters[i]); } -static int nfsd_stat_counters_init(void) +int nfsd_stat_counters_init(void) { return nfsd_percpu_counters_init(nfsdstats.counter, NFSD_STATS_COUNTERS_NUM); } -static void nfsd_stat_counters_destroy(void) +void nfsd_stat_counters_destroy(void) { nfsd_percpu_counters_destroy(nfsdstats.counter, NFSD_STATS_COUNTERS_NUM); } -int nfsd_stat_init(void) +void nfsd_proc_stat_init(struct net *net) { - int err; - - err = nfsd_stat_counters_init(); - if (err) - return err; - - svc_proc_register(&init_net, &nfsd_svcstats, &nfsd_proc_ops); - - return 0; + svc_proc_register(net, &nfsd_svcstats, &nfsd_proc_ops); } -void nfsd_stat_shutdown(void) +void nfsd_proc_stat_shutdown(struct net *net) { - nfsd_stat_counters_destroy(); - svc_proc_unregister(&init_net, "nfsd"); + svc_proc_unregister(net, "nfsd"); } diff --git a/fs/nfsd/stats.h b/fs/nfsd/stats.h index a660f0fb799f..31756a9a8a0a 100644 --- a/fs/nfsd/stats.h +++ b/fs/nfsd/stats.h @@ -39,8 +39,10 @@ extern struct svc_stat nfsd_svcstats; int nfsd_percpu_counters_init(struct percpu_counter *counters, int num); void nfsd_percpu_counters_reset(struct percpu_counter *counters, int num); void nfsd_percpu_counters_destroy(struct percpu_counter *counters, int num); -int nfsd_stat_init(void); -void nfsd_stat_shutdown(void); +int nfsd_stat_counters_init(void); +void nfsd_stat_counters_destroy(void); +void nfsd_proc_stat_init(struct net *net); +void nfsd_proc_stat_shutdown(struct net *net); static inline void nfsd_stats_rc_hits_inc(void) { From ec08e3008241ecd917acf1465129d3d2c795dae9 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Pali=20Roh=C3=A1r?= Date: Fri, 21 Jun 2024 11:38:28 +0200 Subject: [PATCH 596/702] irqchip/armada-370-xp: Do not allow mapping IRQ 0 and 1 MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit [ Upstream commit 3cef738208e5c3cb7084e208caf9bbf684f24feb ] IRQs 0 (IPI) and 1 (MSI) are handled internally by this driver, generic_handle_domain_irq() is never called for these IRQs. Disallow mapping these IRQs. [ Marek: changed commit message ] Signed-off-by: Pali Rohár Signed-off-by: Marek Behún Signed-off-by: Thomas Gleixner Reviewed-by: Andrew Lunn Signed-off-by: Sasha Levin --- drivers/irqchip/irq-armada-370-xp.c | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/drivers/irqchip/irq-armada-370-xp.c b/drivers/irqchip/irq-armada-370-xp.c index c76fb70c70bb..e865a43428b8 100644 --- a/drivers/irqchip/irq-armada-370-xp.c +++ b/drivers/irqchip/irq-armada-370-xp.c @@ -546,6 +546,10 @@ static struct irq_chip armada_370_xp_irq_chip = { static int armada_370_xp_mpic_irq_map(struct irq_domain *h, unsigned int virq, irq_hw_number_t hw) { + /* IRQs 0 and 1 cannot be mapped, they are handled internally */ + if (hw <= 1) + return -EINVAL; + armada_370_xp_irq_mask(irq_get_irq_data(virq)); if (!is_percpu_irq(hw)) writel(hw, per_cpu_int_base + From f2fe1ec906d4ce6fe491165eae23fa23e736f6fd Mon Sep 17 00:00:00 2001 From: Josef Bacik Date: Thu, 5 Sep 2024 11:30:59 -0400 Subject: [PATCH 597/702] nfsd: make all of the nfsd stats per-network namespace [ Upstream commit 4b14885411f74b2b0ce0eb2b39d0fffe54e5ca0d ] We have a global set of counters that we modify for all of the nfsd operations, but now that we're exposing these stats across all network namespaces we need to make the stats also be per-network namespace. We already have some caching stats that are per-network namespace, so move these definitions into the same counter and then adjust all the helpers and users of these stats to provide the appropriate nfsd_net struct so that the stats are maintained for the per-network namespace objects. Signed-off-by: Josef Bacik Reviewed-by: Jeff Layton [ cel: adjusted to apply to v5.10.y ] Signed-off-by: Chuck Lever Signed-off-by: Greg Kroah-Hartman --- fs/nfsd/cache.h | 2 -- fs/nfsd/netns.h | 17 ++++++++++++++-- fs/nfsd/nfs4proc.c | 6 +++--- fs/nfsd/nfscache.c | 36 +++++++--------------------------- fs/nfsd/nfsctl.c | 12 +++--------- fs/nfsd/nfsfh.c | 3 ++- fs/nfsd/stats.c | 24 ++++++++++++----------- fs/nfsd/stats.h | 49 ++++++++++++++++------------------------------ fs/nfsd/vfs.c | 6 ++++-- 9 files changed, 64 insertions(+), 91 deletions(-) diff --git a/fs/nfsd/cache.h b/fs/nfsd/cache.h index 4c9b87850ab1..f21259ead64b 100644 --- a/fs/nfsd/cache.h +++ b/fs/nfsd/cache.h @@ -80,8 +80,6 @@ enum { int nfsd_drc_slab_create(void); void nfsd_drc_slab_free(void); -int nfsd_net_reply_cache_init(struct nfsd_net *nn); -void nfsd_net_reply_cache_destroy(struct nfsd_net *nn); int nfsd_reply_cache_init(struct nfsd_net *); void nfsd_reply_cache_shutdown(struct nfsd_net *); int nfsd_cache_lookup(struct svc_rqst *); diff --git a/fs/nfsd/netns.h b/fs/nfsd/netns.h index d1428f96aa5c..55ab92326384 100644 --- a/fs/nfsd/netns.h +++ b/fs/nfsd/netns.h @@ -10,6 +10,7 @@ #include #include +#include #include #include @@ -28,7 +29,19 @@ enum { NFSD_STATS_PAYLOAD_MISSES, /* amount of memory (in bytes) currently consumed by the DRC */ NFSD_STATS_DRC_MEM_USAGE, - NFSD_NET_COUNTERS_NUM + NFSD_STATS_RC_HITS, /* repcache hits */ + NFSD_STATS_RC_MISSES, /* repcache misses */ + NFSD_STATS_RC_NOCACHE, /* uncached reqs */ + NFSD_STATS_FH_STALE, /* FH stale error */ + NFSD_STATS_IO_READ, /* bytes returned to read requests */ + NFSD_STATS_IO_WRITE, /* bytes passed in write requests */ +#ifdef CONFIG_NFSD_V4 + NFSD_STATS_FIRST_NFS4_OP, /* count of individual nfsv4 operations */ + NFSD_STATS_LAST_NFS4_OP = NFSD_STATS_FIRST_NFS4_OP + LAST_NFS4_OP, +#define NFSD_STATS_NFS4_OP(op) (NFSD_STATS_FIRST_NFS4_OP + (op)) + NFSD_STATS_WDELEG_GETATTR, /* count of getattr conflict with wdeleg */ +#endif + NFSD_STATS_COUNTERS_NUM }; /* @@ -168,7 +181,7 @@ struct nfsd_net { atomic_t num_drc_entries; /* Per-netns stats counters */ - struct percpu_counter counter[NFSD_NET_COUNTERS_NUM]; + struct percpu_counter counter[NFSD_STATS_COUNTERS_NUM]; /* longest hash chain seen */ unsigned int longest_chain; diff --git a/fs/nfsd/nfs4proc.c b/fs/nfsd/nfs4proc.c index 2c0de247083a..f10e70f37285 100644 --- a/fs/nfsd/nfs4proc.c +++ b/fs/nfsd/nfs4proc.c @@ -2435,10 +2435,10 @@ nfsd4_proc_null(struct svc_rqst *rqstp) return rpc_success; } -static inline void nfsd4_increment_op_stats(u32 opnum) +static inline void nfsd4_increment_op_stats(struct nfsd_net *nn, u32 opnum) { if (opnum >= FIRST_NFS4_OP && opnum <= LAST_NFS4_OP) - percpu_counter_inc(&nfsdstats.counter[NFSD_STATS_NFS4_OP(opnum)]); + percpu_counter_inc(&nn->counter[NFSD_STATS_NFS4_OP(opnum)]); } static const struct nfsd4_operation nfsd4_ops[]; @@ -2713,7 +2713,7 @@ nfsd4_proc_compound(struct svc_rqst *rqstp) status, nfsd4_op_name(op->opnum)); nfsd4_cstate_clear_replay(cstate); - nfsd4_increment_op_stats(op->opnum); + nfsd4_increment_op_stats(nn, op->opnum); } fh_put(current_fh); diff --git a/fs/nfsd/nfscache.c b/fs/nfsd/nfscache.c index b81308cac392..448700939dfe 100644 --- a/fs/nfsd/nfscache.c +++ b/fs/nfsd/nfscache.c @@ -176,27 +176,6 @@ void nfsd_drc_slab_free(void) kmem_cache_destroy(drc_slab); } -/** - * nfsd_net_reply_cache_init - per net namespace reply cache set-up - * @nn: nfsd_net being initialized - * - * Returns zero on succes; otherwise a negative errno is returned. - */ -int nfsd_net_reply_cache_init(struct nfsd_net *nn) -{ - return nfsd_percpu_counters_init(nn->counter, NFSD_NET_COUNTERS_NUM); -} - -/** - * nfsd_net_reply_cache_destroy - per net namespace reply cache tear-down - * @nn: nfsd_net being freed - * - */ -void nfsd_net_reply_cache_destroy(struct nfsd_net *nn) -{ - nfsd_percpu_counters_destroy(nn->counter, NFSD_NET_COUNTERS_NUM); -} - int nfsd_reply_cache_init(struct nfsd_net *nn) { unsigned int hashsize; @@ -478,7 +457,7 @@ nfsd_cache_insert(struct nfsd_drc_bucket *b, struct svc_cacherep *key, */ int nfsd_cache_lookup(struct svc_rqst *rqstp) { - struct nfsd_net *nn; + struct nfsd_net *nn = net_generic(SVC_NET(rqstp), nfsd_net_id); struct svc_cacherep *rp, *found; __wsum csum; struct nfsd_drc_bucket *b; @@ -489,7 +468,7 @@ int nfsd_cache_lookup(struct svc_rqst *rqstp) rqstp->rq_cacherep = NULL; if (type == RC_NOCACHE) { - nfsd_stats_rc_nocache_inc(); + nfsd_stats_rc_nocache_inc(nn); goto out; } @@ -499,7 +478,6 @@ int nfsd_cache_lookup(struct svc_rqst *rqstp) * Since the common case is a cache miss followed by an insert, * preallocate an entry. */ - nn = net_generic(SVC_NET(rqstp), nfsd_net_id); rp = nfsd_cacherep_alloc(rqstp, csum, nn); if (!rp) goto out; @@ -517,7 +495,7 @@ int nfsd_cache_lookup(struct svc_rqst *rqstp) freed = nfsd_cacherep_dispose(&dispose); trace_nfsd_drc_gc(nn, freed); - nfsd_stats_rc_misses_inc(); + nfsd_stats_rc_misses_inc(nn); atomic_inc(&nn->num_drc_entries); nfsd_stats_drc_mem_usage_add(nn, sizeof(*rp)); goto out; @@ -525,7 +503,7 @@ int nfsd_cache_lookup(struct svc_rqst *rqstp) found_entry: /* We found a matching entry which is either in progress or done. */ nfsd_reply_cache_free_locked(NULL, rp, nn); - nfsd_stats_rc_hits_inc(); + nfsd_stats_rc_hits_inc(nn); rtn = RC_DROPIT; rp = found; @@ -675,11 +653,11 @@ int nfsd_reply_cache_stats_show(struct seq_file *m, void *v) seq_printf(m, "mem usage: %lld\n", percpu_counter_sum_positive(&nn->counter[NFSD_STATS_DRC_MEM_USAGE])); seq_printf(m, "cache hits: %lld\n", - percpu_counter_sum_positive(&nfsdstats.counter[NFSD_STATS_RC_HITS])); + percpu_counter_sum_positive(&nn->counter[NFSD_STATS_RC_HITS])); seq_printf(m, "cache misses: %lld\n", - percpu_counter_sum_positive(&nfsdstats.counter[NFSD_STATS_RC_MISSES])); + percpu_counter_sum_positive(&nn->counter[NFSD_STATS_RC_MISSES])); seq_printf(m, "not cached: %lld\n", - percpu_counter_sum_positive(&nfsdstats.counter[NFSD_STATS_RC_NOCACHE])); + percpu_counter_sum_positive(&nn->counter[NFSD_STATS_RC_NOCACHE])); seq_printf(m, "payload misses: %lld\n", percpu_counter_sum_positive(&nn->counter[NFSD_STATS_PAYLOAD_MISSES])); seq_printf(m, "longest chain len: %u\n", nn->longest_chain); diff --git a/fs/nfsd/nfsctl.c b/fs/nfsd/nfsctl.c index e49a778e1815..e7fa64834d7d 100644 --- a/fs/nfsd/nfsctl.c +++ b/fs/nfsd/nfsctl.c @@ -1458,7 +1458,7 @@ static __net_init int nfsd_init_net(struct net *net) retval = nfsd_idmap_init(net); if (retval) goto out_idmap_error; - retval = nfsd_net_reply_cache_init(nn); + retval = nfsd_stat_counters_init(nn); if (retval) goto out_repcache_error; nn->nfsd_versions = NULL; @@ -1483,7 +1483,7 @@ static __net_exit void nfsd_exit_net(struct net *net) struct nfsd_net *nn = net_generic(net, nfsd_net_id); nfsd_proc_stat_shutdown(net); - nfsd_net_reply_cache_destroy(nn); + nfsd_stat_counters_destroy(nn); nfsd_idmap_shutdown(net); nfsd_export_shutdown(net); nfsd_netns_free_versions(nn); @@ -1506,12 +1506,9 @@ static int __init init_nfsd(void) retval = nfsd4_init_pnfs(); if (retval) goto out_free_slabs; - retval = nfsd_stat_counters_init(); /* Statistics */ - if (retval) - goto out_free_pnfs; retval = nfsd_drc_slab_create(); if (retval) - goto out_free_stat; + goto out_free_pnfs; nfsd_lockd_init(); /* lockd->nfsd callbacks */ retval = create_proc_exports_entry(); if (retval) @@ -1541,8 +1538,6 @@ static int __init init_nfsd(void) out_free_lockd: nfsd_lockd_shutdown(); nfsd_drc_slab_free(); -out_free_stat: - nfsd_stat_counters_destroy(); out_free_pnfs: nfsd4_exit_pnfs(); out_free_slabs: @@ -1559,7 +1554,6 @@ static void __exit exit_nfsd(void) nfsd_drc_slab_free(); remove_proc_entry("fs/nfs/exports", NULL); remove_proc_entry("fs/nfs", NULL); - nfsd_stat_counters_destroy(); nfsd_lockd_shutdown(); nfsd4_free_slabs(); nfsd4_exit_pnfs(); diff --git a/fs/nfsd/nfsfh.c b/fs/nfsd/nfsfh.c index ae3323e0708d..44e9a9dd2868 100644 --- a/fs/nfsd/nfsfh.c +++ b/fs/nfsd/nfsfh.c @@ -326,6 +326,7 @@ static __be32 nfsd_set_fh_dentry(struct svc_rqst *rqstp, struct svc_fh *fhp) __be32 fh_verify(struct svc_rqst *rqstp, struct svc_fh *fhp, umode_t type, int access) { + struct nfsd_net *nn = net_generic(SVC_NET(rqstp), nfsd_net_id); struct svc_export *exp = NULL; struct dentry *dentry; __be32 error; @@ -399,7 +400,7 @@ fh_verify(struct svc_rqst *rqstp, struct svc_fh *fhp, umode_t type, int access) } out: if (error == nfserr_stale) - nfsd_stats_fh_stale_inc(exp); + nfsd_stats_fh_stale_inc(nn, exp); return error; } diff --git a/fs/nfsd/stats.c b/fs/nfsd/stats.c index 22d57f92187e..c21dbd7d0086 100644 --- a/fs/nfsd/stats.c +++ b/fs/nfsd/stats.c @@ -34,15 +34,17 @@ struct svc_stat nfsd_svcstats = { static int nfsd_show(struct seq_file *seq, void *v) { + struct net *net = PDE_DATA(file_inode(seq->file)); + struct nfsd_net *nn = net_generic(net, nfsd_net_id); int i; seq_printf(seq, "rc %lld %lld %lld\nfh %lld 0 0 0 0\nio %lld %lld\n", - percpu_counter_sum_positive(&nfsdstats.counter[NFSD_STATS_RC_HITS]), - percpu_counter_sum_positive(&nfsdstats.counter[NFSD_STATS_RC_MISSES]), - percpu_counter_sum_positive(&nfsdstats.counter[NFSD_STATS_RC_NOCACHE]), - percpu_counter_sum_positive(&nfsdstats.counter[NFSD_STATS_FH_STALE]), - percpu_counter_sum_positive(&nfsdstats.counter[NFSD_STATS_IO_READ]), - percpu_counter_sum_positive(&nfsdstats.counter[NFSD_STATS_IO_WRITE])); + percpu_counter_sum_positive(&nn->counter[NFSD_STATS_RC_HITS]), + percpu_counter_sum_positive(&nn->counter[NFSD_STATS_RC_MISSES]), + percpu_counter_sum_positive(&nn->counter[NFSD_STATS_RC_NOCACHE]), + percpu_counter_sum_positive(&nn->counter[NFSD_STATS_FH_STALE]), + percpu_counter_sum_positive(&nn->counter[NFSD_STATS_IO_READ]), + percpu_counter_sum_positive(&nn->counter[NFSD_STATS_IO_WRITE])); /* thread usage: */ seq_printf(seq, "th %u 0", atomic_read(&nfsdstats.th_cnt)); @@ -63,7 +65,7 @@ static int nfsd_show(struct seq_file *seq, void *v) seq_printf(seq,"proc4ops %u", LAST_NFS4_OP + 1); for (i = 0; i <= LAST_NFS4_OP; i++) { seq_printf(seq, " %lld", - percpu_counter_sum_positive(&nfsdstats.counter[NFSD_STATS_NFS4_OP(i)])); + percpu_counter_sum_positive(&nn->counter[NFSD_STATS_NFS4_OP(i)])); } seq_putc(seq, '\n'); @@ -106,14 +108,14 @@ void nfsd_percpu_counters_destroy(struct percpu_counter counters[], int num) percpu_counter_destroy(&counters[i]); } -int nfsd_stat_counters_init(void) +int nfsd_stat_counters_init(struct nfsd_net *nn) { - return nfsd_percpu_counters_init(nfsdstats.counter, NFSD_STATS_COUNTERS_NUM); + return nfsd_percpu_counters_init(nn->counter, NFSD_STATS_COUNTERS_NUM); } -void nfsd_stat_counters_destroy(void) +void nfsd_stat_counters_destroy(struct nfsd_net *nn) { - nfsd_percpu_counters_destroy(nfsdstats.counter, NFSD_STATS_COUNTERS_NUM); + nfsd_percpu_counters_destroy(nn->counter, NFSD_STATS_COUNTERS_NUM); } void nfsd_proc_stat_init(struct net *net) diff --git a/fs/nfsd/stats.h b/fs/nfsd/stats.h index 31756a9a8a0a..28f5c720e9b3 100644 --- a/fs/nfsd/stats.h +++ b/fs/nfsd/stats.h @@ -10,25 +10,7 @@ #include #include - -enum { - NFSD_STATS_RC_HITS, /* repcache hits */ - NFSD_STATS_RC_MISSES, /* repcache misses */ - NFSD_STATS_RC_NOCACHE, /* uncached reqs */ - NFSD_STATS_FH_STALE, /* FH stale error */ - NFSD_STATS_IO_READ, /* bytes returned to read requests */ - NFSD_STATS_IO_WRITE, /* bytes passed in write requests */ -#ifdef CONFIG_NFSD_V4 - NFSD_STATS_FIRST_NFS4_OP, /* count of individual nfsv4 operations */ - NFSD_STATS_LAST_NFS4_OP = NFSD_STATS_FIRST_NFS4_OP + LAST_NFS4_OP, -#define NFSD_STATS_NFS4_OP(op) (NFSD_STATS_FIRST_NFS4_OP + (op)) -#endif - NFSD_STATS_COUNTERS_NUM -}; - struct nfsd_stats { - struct percpu_counter counter[NFSD_STATS_COUNTERS_NUM]; - atomic_t th_cnt; /* number of available threads */ }; @@ -39,43 +21,46 @@ extern struct svc_stat nfsd_svcstats; int nfsd_percpu_counters_init(struct percpu_counter *counters, int num); void nfsd_percpu_counters_reset(struct percpu_counter *counters, int num); void nfsd_percpu_counters_destroy(struct percpu_counter *counters, int num); -int nfsd_stat_counters_init(void); -void nfsd_stat_counters_destroy(void); +int nfsd_stat_counters_init(struct nfsd_net *nn); +void nfsd_stat_counters_destroy(struct nfsd_net *nn); void nfsd_proc_stat_init(struct net *net); void nfsd_proc_stat_shutdown(struct net *net); -static inline void nfsd_stats_rc_hits_inc(void) +static inline void nfsd_stats_rc_hits_inc(struct nfsd_net *nn) { - percpu_counter_inc(&nfsdstats.counter[NFSD_STATS_RC_HITS]); + percpu_counter_inc(&nn->counter[NFSD_STATS_RC_HITS]); } -static inline void nfsd_stats_rc_misses_inc(void) +static inline void nfsd_stats_rc_misses_inc(struct nfsd_net *nn) { - percpu_counter_inc(&nfsdstats.counter[NFSD_STATS_RC_MISSES]); + percpu_counter_inc(&nn->counter[NFSD_STATS_RC_MISSES]); } -static inline void nfsd_stats_rc_nocache_inc(void) +static inline void nfsd_stats_rc_nocache_inc(struct nfsd_net *nn) { - percpu_counter_inc(&nfsdstats.counter[NFSD_STATS_RC_NOCACHE]); + percpu_counter_inc(&nn->counter[NFSD_STATS_RC_NOCACHE]); } -static inline void nfsd_stats_fh_stale_inc(struct svc_export *exp) +static inline void nfsd_stats_fh_stale_inc(struct nfsd_net *nn, + struct svc_export *exp) { - percpu_counter_inc(&nfsdstats.counter[NFSD_STATS_FH_STALE]); + percpu_counter_inc(&nn->counter[NFSD_STATS_FH_STALE]); if (exp && exp->ex_stats) percpu_counter_inc(&exp->ex_stats->counter[EXP_STATS_FH_STALE]); } -static inline void nfsd_stats_io_read_add(struct svc_export *exp, s64 amount) +static inline void nfsd_stats_io_read_add(struct nfsd_net *nn, + struct svc_export *exp, s64 amount) { - percpu_counter_add(&nfsdstats.counter[NFSD_STATS_IO_READ], amount); + percpu_counter_add(&nn->counter[NFSD_STATS_IO_READ], amount); if (exp && exp->ex_stats) percpu_counter_add(&exp->ex_stats->counter[EXP_STATS_IO_READ], amount); } -static inline void nfsd_stats_io_write_add(struct svc_export *exp, s64 amount) +static inline void nfsd_stats_io_write_add(struct nfsd_net *nn, + struct svc_export *exp, s64 amount) { - percpu_counter_add(&nfsdstats.counter[NFSD_STATS_IO_WRITE], amount); + percpu_counter_add(&nn->counter[NFSD_STATS_IO_WRITE], amount); if (exp && exp->ex_stats) percpu_counter_add(&exp->ex_stats->counter[EXP_STATS_IO_WRITE], amount); } diff --git a/fs/nfsd/vfs.c b/fs/nfsd/vfs.c index 0ea05ddff0d0..dab44f187d01 100644 --- a/fs/nfsd/vfs.c +++ b/fs/nfsd/vfs.c @@ -1000,7 +1000,9 @@ static __be32 nfsd_finish_read(struct svc_rqst *rqstp, struct svc_fh *fhp, unsigned long *count, u32 *eof, ssize_t host_err) { if (host_err >= 0) { - nfsd_stats_io_read_add(fhp->fh_export, host_err); + struct nfsd_net *nn = net_generic(SVC_NET(rqstp), nfsd_net_id); + + nfsd_stats_io_read_add(nn, fhp->fh_export, host_err); *eof = nfsd_eof_on_read(file, offset, host_err, *count); *count = host_err; fsnotify_access(file); @@ -1143,7 +1145,7 @@ nfsd_vfs_write(struct svc_rqst *rqstp, struct svc_fh *fhp, struct nfsd_file *nf, goto out_nfserr; } *cnt = host_err; - nfsd_stats_io_write_add(exp, *cnt); + nfsd_stats_io_write_add(nn, exp, *cnt); fsnotify_modify(file); host_err = filemap_check_wb_err(file->f_mapping, since); if (host_err < 0) From 1c5bad90e0353a0746137093481a3dbb1be02803 Mon Sep 17 00:00:00 2001 From: Kuniyuki Iwashima Date: Thu, 20 Jun 2024 13:56:22 -0700 Subject: [PATCH 598/702] af_unix: Remove put_pid()/put_cred() in copy_peercred(). [ Upstream commit e4bd881d987121dbf1a288641491955a53d9f8f7 ] When (AF_UNIX, SOCK_STREAM) socket connect()s to a listening socket, the listener's sk_peer_pid/sk_peer_cred are copied to the client in copy_peercred(). Then, the client's sk_peer_pid and sk_peer_cred are always NULL, so we need not call put_pid() and put_cred() there. Signed-off-by: Kuniyuki Iwashima Signed-off-by: Paolo Abeni Signed-off-by: Sasha Levin --- net/unix/af_unix.c | 9 +-------- 1 file changed, 1 insertion(+), 8 deletions(-) diff --git a/net/unix/af_unix.c b/net/unix/af_unix.c index e2ff610d2776..b7e9c1238516 100644 --- a/net/unix/af_unix.c +++ b/net/unix/af_unix.c @@ -603,9 +603,6 @@ static void init_peercred(struct sock *sk) static void copy_peercred(struct sock *sk, struct sock *peersk) { - const struct cred *old_cred; - struct pid *old_pid; - if (sk < peersk) { spin_lock(&sk->sk_peer_lock); spin_lock_nested(&peersk->sk_peer_lock, SINGLE_DEPTH_NESTING); @@ -613,16 +610,12 @@ static void copy_peercred(struct sock *sk, struct sock *peersk) spin_lock(&peersk->sk_peer_lock); spin_lock_nested(&sk->sk_peer_lock, SINGLE_DEPTH_NESTING); } - old_pid = sk->sk_peer_pid; - old_cred = sk->sk_peer_cred; + sk->sk_peer_pid = get_pid(peersk->sk_peer_pid); sk->sk_peer_cred = get_cred(peersk->sk_peer_cred); spin_unlock(&sk->sk_peer_lock); spin_unlock(&peersk->sk_peer_lock); - - put_pid(old_pid); - put_cred(old_cred); } static int unix_listen(struct socket *sock, int backlog) From f8219c4b807597d8aecc2b9494395e797a64a1e3 Mon Sep 17 00:00:00 2001 From: Josef Bacik Date: Thu, 5 Sep 2024 11:31:00 -0400 Subject: [PATCH 599/702] nfsd: remove nfsd_stats, make th_cnt a global counter [ Upstream commit e41ee44cc6a473b1f414031782c3b4283d7f3e5f ] This is the last global stat, take it out of the nfsd_stats struct and make it a global part of nfsd, report it the same as always. Signed-off-by: Josef Bacik Reviewed-by: Jeff Layton Signed-off-by: Chuck Lever Signed-off-by: Greg Kroah-Hartman --- fs/nfsd/nfsd.h | 1 + fs/nfsd/nfssvc.c | 5 +++-- fs/nfsd/stats.c | 3 +-- fs/nfsd/stats.h | 6 ------ 4 files changed, 5 insertions(+), 10 deletions(-) diff --git a/fs/nfsd/nfsd.h b/fs/nfsd/nfsd.h index 013bfa24ced2..996f3f62335b 100644 --- a/fs/nfsd/nfsd.h +++ b/fs/nfsd/nfsd.h @@ -69,6 +69,7 @@ extern struct mutex nfsd_mutex; extern spinlock_t nfsd_drc_lock; extern unsigned long nfsd_drc_max_mem; extern unsigned long nfsd_drc_mem_used; +extern atomic_t nfsd_th_cnt; /* number of available threads */ extern const struct seq_operations nfs_exports_op; diff --git a/fs/nfsd/nfssvc.c b/fs/nfsd/nfssvc.c index a5f33089c7d9..3f02a9a44c6b 100644 --- a/fs/nfsd/nfssvc.c +++ b/fs/nfsd/nfssvc.c @@ -34,6 +34,7 @@ #define NFSDDBG_FACILITY NFSDDBG_SVC +atomic_t nfsd_th_cnt = ATOMIC_INIT(0); extern struct svc_program nfsd_program; static int nfsd(void *vrqstp); #if defined(CONFIG_NFSD_V2_ACL) || defined(CONFIG_NFSD_V3_ACL) @@ -935,7 +936,7 @@ nfsd(void *vrqstp) current->fs->umask = 0; - atomic_inc(&nfsdstats.th_cnt); + atomic_inc(&nfsd_th_cnt); set_freezable(); @@ -959,7 +960,7 @@ nfsd(void *vrqstp) validate_process_creds(); } - atomic_dec(&nfsdstats.th_cnt); + atomic_dec(&nfsd_th_cnt); out: /* Release the thread */ diff --git a/fs/nfsd/stats.c b/fs/nfsd/stats.c index c21dbd7d0086..6b2135bfb509 100644 --- a/fs/nfsd/stats.c +++ b/fs/nfsd/stats.c @@ -27,7 +27,6 @@ #include "nfsd.h" -struct nfsd_stats nfsdstats; struct svc_stat nfsd_svcstats = { .program = &nfsd_program, }; @@ -47,7 +46,7 @@ static int nfsd_show(struct seq_file *seq, void *v) percpu_counter_sum_positive(&nn->counter[NFSD_STATS_IO_WRITE])); /* thread usage: */ - seq_printf(seq, "th %u 0", atomic_read(&nfsdstats.th_cnt)); + seq_printf(seq, "th %u 0", atomic_read(&nfsd_th_cnt)); /* deprecated thread usage histogram stats */ for (i = 0; i < 10; i++) diff --git a/fs/nfsd/stats.h b/fs/nfsd/stats.h index 28f5c720e9b3..9b22b1ae929f 100644 --- a/fs/nfsd/stats.h +++ b/fs/nfsd/stats.h @@ -10,12 +10,6 @@ #include #include -struct nfsd_stats { - atomic_t th_cnt; /* number of available threads */ -}; - -extern struct nfsd_stats nfsdstats; - extern struct svc_stat nfsd_svcstats; int nfsd_percpu_counters_init(struct percpu_counter *counters, int num); From f56089a1806f6a1ee8127301bea755b1b45aba44 Mon Sep 17 00:00:00 2001 From: Jernej Skrabec Date: Sun, 16 Jun 2024 23:40:52 +0100 Subject: [PATCH 600/702] iommu: sun50i: clear bypass register [ Upstream commit 927c70c93d929f4c2dcaf72f51b31bb7d118a51a ] The Allwinner H6 IOMMU has a bypass register, which allows to circumvent the page tables for each possible master. The reset value for this register is 0, which disables the bypass. The Allwinner H616 IOMMU resets this register to 0x7f, which activates the bypass for all masters, which is not what we want. Always clear this register to 0, to enforce the usage of page tables, and make this driver compatible with the H616 in this respect. Signed-off-by: Jernej Skrabec Signed-off-by: Andre Przywara Reviewed-by: Chen-Yu Tsai Link: https://lore.kernel.org/r/20240616224056.29159-2-andre.przywara@arm.com Signed-off-by: Joerg Roedel Signed-off-by: Sasha Levin --- drivers/iommu/sun50i-iommu.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/iommu/sun50i-iommu.c b/drivers/iommu/sun50i-iommu.c index 65aa30d55d3a..f31f66b12366 100644 --- a/drivers/iommu/sun50i-iommu.c +++ b/drivers/iommu/sun50i-iommu.c @@ -380,6 +380,7 @@ static int sun50i_iommu_enable(struct sun50i_iommu *iommu) IOMMU_TLB_PREFETCH_MASTER_ENABLE(3) | IOMMU_TLB_PREFETCH_MASTER_ENABLE(4) | IOMMU_TLB_PREFETCH_MASTER_ENABLE(5)); + iommu_write(iommu, IOMMU_BYPASS_REG, 0); iommu_write(iommu, IOMMU_INT_ENABLE_REG, IOMMU_INT_MASK); iommu_write(iommu, IOMMU_DM_AUT_CTRL_REG(SUN50I_IOMMU_ACI_NONE), IOMMU_DM_AUT_CTRL_RD_UNAVAIL(SUN50I_IOMMU_ACI_NONE, 0) | From 751777a79a5c8e61f33ca5bc9de1d9ce22405738 Mon Sep 17 00:00:00 2001 From: Josef Bacik Date: Thu, 5 Sep 2024 11:31:01 -0400 Subject: [PATCH 601/702] nfsd: make svc_stat per-network namespace instead of global [ Upstream commit 16fb9808ab2c99979f081987752abcbc5b092eac ] The final bit of stats that is global is the rpc svc_stat. Move this into the nfsd_net struct and use that everywhere instead of the global struct. Remove the unused global struct. Signed-off-by: Josef Bacik Reviewed-by: Jeff Layton Signed-off-by: Chuck Lever Signed-off-by: Greg Kroah-Hartman --- fs/nfsd/netns.h | 4 ++++ fs/nfsd/nfsctl.c | 2 ++ fs/nfsd/nfssvc.c | 2 +- fs/nfsd/stats.c | 10 ++++------ fs/nfsd/stats.h | 2 -- 5 files changed, 11 insertions(+), 9 deletions(-) diff --git a/fs/nfsd/netns.h b/fs/nfsd/netns.h index 55ab92326384..548422b24a7d 100644 --- a/fs/nfsd/netns.h +++ b/fs/nfsd/netns.h @@ -13,6 +13,7 @@ #include #include #include +#include /* Hash tables for nfs4_clientid state */ #define CLIENT_HASH_BITS 4 @@ -183,6 +184,9 @@ struct nfsd_net { /* Per-netns stats counters */ struct percpu_counter counter[NFSD_STATS_COUNTERS_NUM]; + /* sunrpc svc stats */ + struct svc_stat nfsd_svcstats; + /* longest hash chain seen */ unsigned int longest_chain; diff --git a/fs/nfsd/nfsctl.c b/fs/nfsd/nfsctl.c index e7fa64834d7d..2feaa49fb9fe 100644 --- a/fs/nfsd/nfsctl.c +++ b/fs/nfsd/nfsctl.c @@ -1461,6 +1461,8 @@ static __net_init int nfsd_init_net(struct net *net) retval = nfsd_stat_counters_init(nn); if (retval) goto out_repcache_error; + memset(&nn->nfsd_svcstats, 0, sizeof(nn->nfsd_svcstats)); + nn->nfsd_svcstats.program = &nfsd_program; nn->nfsd_versions = NULL; nn->nfsd4_minorversions = NULL; nfsd4_init_leases_net(nn); diff --git a/fs/nfsd/nfssvc.c b/fs/nfsd/nfssvc.c index 3f02a9a44c6b..29eb9861684e 100644 --- a/fs/nfsd/nfssvc.c +++ b/fs/nfsd/nfssvc.c @@ -664,7 +664,7 @@ int nfsd_create_serv(struct net *net) if (nfsd_max_blksize == 0) nfsd_max_blksize = nfsd_get_default_max_blksize(); nfsd_reset_versions(nn); - serv = svc_create_pooled(&nfsd_program, &nfsd_svcstats, + serv = svc_create_pooled(&nfsd_program, &nn->nfsd_svcstats, nfsd_max_blksize, nfsd); if (serv == NULL) return -ENOMEM; diff --git a/fs/nfsd/stats.c b/fs/nfsd/stats.c index 6b2135bfb509..7a58dba0045c 100644 --- a/fs/nfsd/stats.c +++ b/fs/nfsd/stats.c @@ -27,10 +27,6 @@ #include "nfsd.h" -struct svc_stat nfsd_svcstats = { - .program = &nfsd_program, -}; - static int nfsd_show(struct seq_file *seq, void *v) { struct net *net = PDE_DATA(file_inode(seq->file)); @@ -56,7 +52,7 @@ static int nfsd_show(struct seq_file *seq, void *v) seq_puts(seq, "\nra 0 0 0 0 0 0 0 0 0 0 0 0\n"); /* show my rpc info */ - svc_seq_show(seq, &nfsd_svcstats); + svc_seq_show(seq, &nn->nfsd_svcstats); #ifdef CONFIG_NFSD_V4 /* Show count for individual nfsv4 operations */ @@ -119,7 +115,9 @@ void nfsd_stat_counters_destroy(struct nfsd_net *nn) void nfsd_proc_stat_init(struct net *net) { - svc_proc_register(net, &nfsd_svcstats, &nfsd_proc_ops); + struct nfsd_net *nn = net_generic(net, nfsd_net_id); + + svc_proc_register(net, &nn->nfsd_svcstats, &nfsd_proc_ops); } void nfsd_proc_stat_shutdown(struct net *net) diff --git a/fs/nfsd/stats.h b/fs/nfsd/stats.h index 9b22b1ae929f..14525e854cba 100644 --- a/fs/nfsd/stats.h +++ b/fs/nfsd/stats.h @@ -10,8 +10,6 @@ #include #include -extern struct svc_stat nfsd_svcstats; - int nfsd_percpu_counters_init(struct percpu_counter *counters, int num); void nfsd_percpu_counters_reset(struct percpu_counter *counters, int num); void nfsd_percpu_counters_destroy(struct percpu_counter *counters, int num); From 66234da64d47829307c01025a38e0a065de02bcb Mon Sep 17 00:00:00 2001 From: Yunjian Wang Date: Fri, 31 May 2024 11:48:47 +0800 Subject: [PATCH 602/702] netfilter: nf_conncount: fix wrong variable type [ Upstream commit 0b88d1654d556264bcd24a9cb6383f0888e30131 ] Now there is a issue is that code checks reports a warning: implicit narrowing conversion from type 'unsigned int' to small type 'u8' (the 'keylen' variable). Fix it by removing the 'keylen' variable. Signed-off-by: Yunjian Wang Signed-off-by: Pablo Neira Ayuso Signed-off-by: Sasha Levin --- net/netfilter/nf_conncount.c | 8 +++----- 1 file changed, 3 insertions(+), 5 deletions(-) diff --git a/net/netfilter/nf_conncount.c b/net/netfilter/nf_conncount.c index 82f36beb2e76..0ce12a33ffda 100644 --- a/net/netfilter/nf_conncount.c +++ b/net/netfilter/nf_conncount.c @@ -310,7 +310,6 @@ insert_tree(struct net *net, struct nf_conncount_rb *rbconn; struct nf_conncount_tuple *conn; unsigned int count = 0, gc_count = 0; - u8 keylen = data->keylen; bool do_gc = true; spin_lock_bh(&nf_conncount_locks[hash]); @@ -322,7 +321,7 @@ insert_tree(struct net *net, rbconn = rb_entry(*rbnode, struct nf_conncount_rb, node); parent = *rbnode; - diff = key_diff(key, rbconn->key, keylen); + diff = key_diff(key, rbconn->key, data->keylen); if (diff < 0) { rbnode = &((*rbnode)->rb_left); } else if (diff > 0) { @@ -367,7 +366,7 @@ insert_tree(struct net *net, conn->tuple = *tuple; conn->zone = *zone; - memcpy(rbconn->key, key, sizeof(u32) * keylen); + memcpy(rbconn->key, key, sizeof(u32) * data->keylen); nf_conncount_list_init(&rbconn->list); list_add(&conn->node, &rbconn->list.head); @@ -392,7 +391,6 @@ count_tree(struct net *net, struct rb_node *parent; struct nf_conncount_rb *rbconn; unsigned int hash; - u8 keylen = data->keylen; hash = jhash2(key, data->keylen, conncount_rnd) % CONNCOUNT_SLOTS; root = &data->root[hash]; @@ -403,7 +401,7 @@ count_tree(struct net *net, rbconn = rb_entry(parent, struct nf_conncount_rb, node); - diff = key_diff(key, rbconn->key, keylen); + diff = key_diff(key, rbconn->key, data->keylen); if (diff < 0) { parent = rcu_dereference_raw(parent->rb_left); } else if (diff > 0) { From 551966371e17912564bc387fbeb2ac13077c3db1 Mon Sep 17 00:00:00 2001 From: Jan Kara Date: Thu, 20 Jun 2024 12:52:17 +0200 Subject: [PATCH 603/702] udf: Avoid excessive partition lengths [ Upstream commit ebbe26fd54a9621994bc16b14f2ba8f84c089693 ] Avoid mounting filesystems where the partition would overflow the 32-bits used for block number. Also refuse to mount filesystems where the partition length is so large we cannot safely index bits in a block bitmap. Link: https://patch.msgid.link/20240620130403.14731-1-jack@suse.cz Signed-off-by: Jan Kara Signed-off-by: Sasha Levin --- fs/udf/super.c | 15 +++++++++++++++ 1 file changed, 15 insertions(+) diff --git a/fs/udf/super.c b/fs/udf/super.c index 5d79e5d2e158..ae75df43d51c 100644 --- a/fs/udf/super.c +++ b/fs/udf/super.c @@ -1083,12 +1083,19 @@ static int udf_fill_partdesc_info(struct super_block *sb, struct udf_part_map *map; struct udf_sb_info *sbi = UDF_SB(sb); struct partitionHeaderDesc *phd; + u32 sum; int err; map = &sbi->s_partmaps[p_index]; map->s_partition_len = le32_to_cpu(p->partitionLength); /* blocks */ map->s_partition_root = le32_to_cpu(p->partitionStartingLocation); + if (check_add_overflow(map->s_partition_root, map->s_partition_len, + &sum)) { + udf_err(sb, "Partition %d has invalid location %u + %u\n", + p_index, map->s_partition_root, map->s_partition_len); + return -EFSCORRUPTED; + } if (p->accessType == cpu_to_le32(PD_ACCESS_TYPE_READ_ONLY)) map->s_partition_flags |= UDF_PART_FLAG_READ_ONLY; @@ -1144,6 +1151,14 @@ static int udf_fill_partdesc_info(struct super_block *sb, bitmap->s_extPosition = le32_to_cpu( phd->unallocSpaceBitmap.extPosition); map->s_partition_flags |= UDF_PART_FLAG_UNALLOC_BITMAP; + /* Check whether math over bitmap won't overflow. */ + if (check_add_overflow(map->s_partition_len, + sizeof(struct spaceBitmapDesc) << 3, + &sum)) { + udf_err(sb, "Partition %d is too long (%u)\n", p_index, + map->s_partition_len); + return -EFSCORRUPTED; + } udf_debug("unallocSpaceBitmap (part %d) @ %u\n", p_index, bitmap->s_extPosition); } From e73b63f1388e9fcaf64e35b141a1d616a8be198d Mon Sep 17 00:00:00 2001 From: Hans Verkuil Date: Wed, 26 Jun 2024 12:59:13 +0200 Subject: [PATCH 604/702] media: vivid: fix wrong sizeimage value for mplane [ Upstream commit 0fd7c0c2c156270dceb8c15fad3120cdce03e539 ] In several places a division by fmt->vdownsampling[p] was missing in the sizeimage[p] calculation, causing incorrect behavior for multiplanar formats were some planes are smaller than the first plane. Found by new v4l2-compliance tests. Signed-off-by: Hans Verkuil Signed-off-by: Sasha Levin --- drivers/media/test-drivers/vivid/vivid-vid-cap.c | 5 +++-- drivers/media/test-drivers/vivid/vivid-vid-out.c | 16 +++++++++------- 2 files changed, 12 insertions(+), 9 deletions(-) diff --git a/drivers/media/test-drivers/vivid/vivid-vid-cap.c b/drivers/media/test-drivers/vivid/vivid-vid-cap.c index 437889e51ca0..907781c2e613 100644 --- a/drivers/media/test-drivers/vivid/vivid-vid-cap.c +++ b/drivers/media/test-drivers/vivid/vivid-vid-cap.c @@ -113,8 +113,9 @@ static int vid_cap_queue_setup(struct vb2_queue *vq, if (*nplanes != buffers) return -EINVAL; for (p = 0; p < buffers; p++) { - if (sizes[p] < tpg_g_line_width(&dev->tpg, p) * h + - dev->fmt_cap->data_offset[p]) + if (sizes[p] < tpg_g_line_width(&dev->tpg, p) * h / + dev->fmt_cap->vdownsampling[p] + + dev->fmt_cap->data_offset[p]) return -EINVAL; } } else { diff --git a/drivers/media/test-drivers/vivid/vivid-vid-out.c b/drivers/media/test-drivers/vivid/vivid-vid-out.c index cd6c247547d6..9038be90ab35 100644 --- a/drivers/media/test-drivers/vivid/vivid-vid-out.c +++ b/drivers/media/test-drivers/vivid/vivid-vid-out.c @@ -63,14 +63,16 @@ static int vid_out_queue_setup(struct vb2_queue *vq, if (sizes[0] < size) return -EINVAL; for (p = 1; p < planes; p++) { - if (sizes[p] < dev->bytesperline_out[p] * h + - vfmt->data_offset[p]) + if (sizes[p] < dev->bytesperline_out[p] * h / + vfmt->vdownsampling[p] + + vfmt->data_offset[p]) return -EINVAL; } } else { for (p = 0; p < planes; p++) - sizes[p] = p ? dev->bytesperline_out[p] * h + - vfmt->data_offset[p] : size; + sizes[p] = p ? dev->bytesperline_out[p] * h / + vfmt->vdownsampling[p] + + vfmt->data_offset[p] : size; } if (vq->num_buffers + *nbuffers < 2) @@ -127,7 +129,7 @@ static int vid_out_buf_prepare(struct vb2_buffer *vb) for (p = 0; p < planes; p++) { if (p) - size = dev->bytesperline_out[p] * h; + size = dev->bytesperline_out[p] * h / vfmt->vdownsampling[p]; size += vb->planes[p].data_offset; if (vb2_get_plane_payload(vb, p) < size) { @@ -334,8 +336,8 @@ int vivid_g_fmt_vid_out(struct file *file, void *priv, for (p = 0; p < mp->num_planes; p++) { mp->plane_fmt[p].bytesperline = dev->bytesperline_out[p]; mp->plane_fmt[p].sizeimage = - mp->plane_fmt[p].bytesperline * mp->height + - fmt->data_offset[p]; + mp->plane_fmt[p].bytesperline * mp->height / + fmt->vdownsampling[p] + fmt->data_offset[p]; } for (p = fmt->buffers; p < fmt->planes; p++) { unsigned stride = dev->bytesperline_out[p]; From 9e28a1df185d31973da68b67f7436c216d398e5a Mon Sep 17 00:00:00 2001 From: Andy Shevchenko Date: Thu, 6 Jun 2024 20:29:18 +0300 Subject: [PATCH 605/702] leds: spi-byte: Call of_node_put() on error path [ Upstream commit 7f9ab862e05c5bc755f65bf6db7edcffb3b49dfc ] Add a missing call to of_node_put(np) on error. Signed-off-by: Andy Shevchenko Link: https://lore.kernel.org/r/20240606173037.3091598-2-andriy.shevchenko@linux.intel.com Signed-off-by: Lee Jones Signed-off-by: Sasha Levin --- drivers/leds/leds-spi-byte.c | 6 +++++- 1 file changed, 5 insertions(+), 1 deletion(-) diff --git a/drivers/leds/leds-spi-byte.c b/drivers/leds/leds-spi-byte.c index f1964c96fb15..82696e0607a5 100644 --- a/drivers/leds/leds-spi-byte.c +++ b/drivers/leds/leds-spi-byte.c @@ -91,7 +91,6 @@ static int spi_byte_probe(struct spi_device *spi) dev_err(dev, "Device must have exactly one LED sub-node."); return -EINVAL; } - child = of_get_next_available_child(dev_of_node(dev), NULL); led = devm_kzalloc(dev, sizeof(*led), GFP_KERNEL); if (!led) @@ -107,11 +106,13 @@ static int spi_byte_probe(struct spi_device *spi) led->ldev.max_brightness = led->cdef->max_value - led->cdef->off_value; led->ldev.brightness_set_blocking = spi_byte_brightness_set_blocking; + child = of_get_next_available_child(dev_of_node(dev), NULL); state = of_get_property(child, "default-state", NULL); if (state) { if (!strcmp(state, "on")) { led->ldev.brightness = led->ldev.max_brightness; } else if (strcmp(state, "off")) { + of_node_put(child); /* all other cases except "off" */ dev_err(dev, "default-state can only be 'on' or 'off'"); return -EINVAL; @@ -122,9 +123,12 @@ static int spi_byte_probe(struct spi_device *spi) ret = devm_led_classdev_register(&spi->dev, &led->ldev); if (ret) { + of_node_put(child); mutex_destroy(&led->mutex); return ret; } + + of_node_put(child); spi_set_drvdata(spi, led); return 0; From 3ab3ee4125ac1071f27f309923f916db7ab2e4fc Mon Sep 17 00:00:00 2001 From: Arend van Spriel Date: Mon, 17 Jun 2024 14:26:09 +0200 Subject: [PATCH 606/702] wifi: brcmsmac: advertise MFP_CAPABLE to enable WPA3 [ Upstream commit dbb5265a5d7cca1cdba7736dba313ab7d07bc19d ] After being asked about support for WPA3 for BCM43224 chipset it was found that all it takes is setting the MFP_CAPABLE flag and mac80211 will take care of all that is needed [1]. Link: https://lore.kernel.org/linux-wireless/20200526155909.5807-2-Larry.Finger@lwfinger.net/ [1] Signed-off-by: Arend van Spriel Tested-by: Reijer Boekhoff Signed-off-by: Kalle Valo Link: https://patch.msgid.link/20240617122609.349582-1-arend.vanspriel@broadcom.com Signed-off-by: Sasha Levin --- drivers/net/wireless/broadcom/brcm80211/brcmsmac/mac80211_if.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/net/wireless/broadcom/brcm80211/brcmsmac/mac80211_if.c b/drivers/net/wireless/broadcom/brcm80211/brcmsmac/mac80211_if.c index fb76b4a69a05..ad3893d45058 100644 --- a/drivers/net/wireless/broadcom/brcm80211/brcmsmac/mac80211_if.c +++ b/drivers/net/wireless/broadcom/brcm80211/brcmsmac/mac80211_if.c @@ -1089,6 +1089,7 @@ static int ieee_hw_init(struct ieee80211_hw *hw) ieee80211_hw_set(hw, AMPDU_AGGREGATION); ieee80211_hw_set(hw, SIGNAL_DBM); ieee80211_hw_set(hw, REPORTS_TX_ACK_STATUS); + ieee80211_hw_set(hw, MFP_CAPABLE); hw->extra_tx_headroom = brcms_c_get_header_len(); hw->queues = N_TX_QUEUES; From 44a595f897624df72ab54c8582287376985ec2bb Mon Sep 17 00:00:00 2001 From: Shantanu Goel Date: Thu, 6 Jun 2024 23:32:57 -0400 Subject: [PATCH 607/702] usb: uas: set host status byte on data completion error [ Upstream commit 9d32685a251a754f1823d287df233716aa23bcb9 ] Set the host status byte when a data completion error is encountered otherwise the upper layer may end up using the invalid zero'ed data. The following output was observed from scsi/sd.c prior to this fix. [ 11.872824] sd 0:0:0:1: [sdf] tag#9 data cmplt err -75 uas-tag 1 inflight: [ 11.872826] sd 0:0:0:1: [sdf] tag#9 CDB: Read capacity(16) 9e 10 00 00 00 00 00 00 00 00 00 00 00 20 00 00 [ 11.872830] sd 0:0:0:1: [sdf] Sector size 0 reported, assuming 512. Signed-off-by: Shantanu Goel Acked-by: Oliver Neukum Link: https://lore.kernel.org/r/87msnx4ec6.fsf@yahoo.com Signed-off-by: Greg Kroah-Hartman Signed-off-by: Sasha Levin --- drivers/usb/storage/uas.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/usb/storage/uas.c b/drivers/usb/storage/uas.c index ff6f41e7e068..ea1680c4cc06 100644 --- a/drivers/usb/storage/uas.c +++ b/drivers/usb/storage/uas.c @@ -424,6 +424,7 @@ static void uas_data_cmplt(struct urb *urb) uas_log_cmd_state(cmnd, "data cmplt err", status); /* error: no data transfered */ scsi_set_resid(cmnd, sdb->length); + set_host_byte(cmnd, DID_ERROR); } else { scsi_set_resid(cmnd, sdb->length - urb->actual_length); } From 1fa40e0d27846738dd422db6554de2c490a070f0 Mon Sep 17 00:00:00 2001 From: Hans Verkuil Date: Mon, 24 Jun 2024 12:52:59 +0300 Subject: [PATCH 608/702] media: vivid: don't set HDMI TX controls if there are no HDMI outputs [ Upstream commit 17763960b1784578e8fe915304b330922f646209 ] When setting the EDID it would attempt to update two controls that are only present if there is an HDMI output configured. If there isn't any (e.g. when the vivid module is loaded with node_types=1), then calling VIDIOC_S_EDID would crash. Fix this by first checking if outputs are present. Signed-off-by: Hans Verkuil Signed-off-by: Sasha Levin --- drivers/media/test-drivers/vivid/vivid-vid-cap.c | 12 ++++++++---- 1 file changed, 8 insertions(+), 4 deletions(-) diff --git a/drivers/media/test-drivers/vivid/vivid-vid-cap.c b/drivers/media/test-drivers/vivid/vivid-vid-cap.c index 907781c2e613..2ce7f5567f51 100644 --- a/drivers/media/test-drivers/vivid/vivid-vid-cap.c +++ b/drivers/media/test-drivers/vivid/vivid-vid-cap.c @@ -1802,8 +1802,10 @@ int vidioc_s_edid(struct file *file, void *_fh, return -EINVAL; if (edid->blocks == 0) { dev->edid_blocks = 0; - v4l2_ctrl_s_ctrl(dev->ctrl_tx_edid_present, 0); - v4l2_ctrl_s_ctrl(dev->ctrl_tx_hotplug, 0); + if (dev->num_outputs) { + v4l2_ctrl_s_ctrl(dev->ctrl_tx_edid_present, 0); + v4l2_ctrl_s_ctrl(dev->ctrl_tx_hotplug, 0); + } phys_addr = CEC_PHYS_ADDR_INVALID; goto set_phys_addr; } @@ -1827,8 +1829,10 @@ int vidioc_s_edid(struct file *file, void *_fh, display_present |= dev->display_present[i] << j++; - v4l2_ctrl_s_ctrl(dev->ctrl_tx_edid_present, display_present); - v4l2_ctrl_s_ctrl(dev->ctrl_tx_hotplug, display_present); + if (dev->num_outputs) { + v4l2_ctrl_s_ctrl(dev->ctrl_tx_edid_present, display_present); + v4l2_ctrl_s_ctrl(dev->ctrl_tx_hotplug, display_present); + } set_phys_addr: /* TODO: a proper hotplug detect cycle should be emulated here */ From ebbdbbc580c1695dec283d0ba6448729dc993246 Mon Sep 17 00:00:00 2001 From: Kishon Vijay Abraham I Date: Fri, 28 Jun 2024 13:45:29 +0200 Subject: [PATCH 609/702] PCI: keystone: Add workaround for Errata #i2037 (AM65x SR 1.0) MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit [ Upstream commit 86f271f22bbb6391410a07e08d6ca3757fda01fa ] Errata #i2037 in AM65x/DRA80xM Processors Silicon Revision 1.0 (SPRZ452D_July 2018_Revised December 2019 [1]) mentions when an inbound PCIe TLP spans more than two internal AXI 128-byte bursts, the bus may corrupt the packet payload and the corrupt data may cause associated applications or the processor to hang. The workaround for Errata #i2037 is to limit the maximum read request size and maximum payload size to 128 bytes. Add workaround for Errata #i2037 here. The errata and workaround is applicable only to AM65x SR 1.0 and later versions of the silicon will have this fixed. [1] -> https://www.ti.com/lit/er/sprz452i/sprz452i.pdf Link: https://lore.kernel.org/linux-pci/16e1fcae-1ea7-46be-b157-096e05661b15@siemens.com Signed-off-by: Kishon Vijay Abraham I Signed-off-by: Achal Verma Signed-off-by: Vignesh Raghavendra Signed-off-by: Jan Kiszka Signed-off-by: Krzysztof Wilczyński Reviewed-by: Siddharth Vadapalli Signed-off-by: Sasha Levin --- drivers/pci/controller/dwc/pci-keystone.c | 44 ++++++++++++++++++++++- 1 file changed, 43 insertions(+), 1 deletion(-) diff --git a/drivers/pci/controller/dwc/pci-keystone.c b/drivers/pci/controller/dwc/pci-keystone.c index d3c3ca3ef4ba..0b49bdf149a6 100644 --- a/drivers/pci/controller/dwc/pci-keystone.c +++ b/drivers/pci/controller/dwc/pci-keystone.c @@ -35,6 +35,11 @@ #define PCIE_DEVICEID_SHIFT 16 /* Application registers */ +#define PID 0x000 +#define RTL GENMASK(15, 11) +#define RTL_SHIFT 11 +#define AM6_PCI_PG1_RTL_VER 0x15 + #define CMD_STATUS 0x004 #define LTSSM_EN_VAL BIT(0) #define OB_XLAT_EN_VAL BIT(1) @@ -105,6 +110,8 @@ #define to_keystone_pcie(x) dev_get_drvdata((x)->dev) +#define PCI_DEVICE_ID_TI_AM654X 0xb00c + struct ks_pcie_of_data { enum dw_pcie_device_mode mode; const struct dw_pcie_host_ops *host_ops; @@ -537,7 +544,11 @@ static int ks_pcie_start_link(struct dw_pcie *pci) static void ks_pcie_quirk(struct pci_dev *dev) { struct pci_bus *bus = dev->bus; + struct keystone_pcie *ks_pcie; + struct device *bridge_dev; struct pci_dev *bridge; + u32 val; + static const struct pci_device_id rc_pci_devids[] = { { PCI_DEVICE(PCI_VENDOR_ID_TI, PCIE_RC_K2HK), .class = PCI_CLASS_BRIDGE_PCI << 8, .class_mask = ~0, }, @@ -549,6 +560,11 @@ static void ks_pcie_quirk(struct pci_dev *dev) .class = PCI_CLASS_BRIDGE_PCI << 8, .class_mask = ~0, }, { 0, }, }; + static const struct pci_device_id am6_pci_devids[] = { + { PCI_DEVICE(PCI_VENDOR_ID_TI, PCI_DEVICE_ID_TI_AM654X), + .class = PCI_CLASS_BRIDGE_PCI << 8, .class_mask = ~0, }, + { 0, }, + }; if (pci_is_root_bus(bus)) bridge = dev; @@ -570,10 +586,36 @@ static void ks_pcie_quirk(struct pci_dev *dev) */ if (pci_match_id(rc_pci_devids, bridge)) { if (pcie_get_readrq(dev) > 256) { - dev_info(&dev->dev, "limiting MRRS to 256\n"); + dev_info(&dev->dev, "limiting MRRS to 256 bytes\n"); pcie_set_readrq(dev, 256); } } + + /* + * Memory transactions fail with PCI controller in AM654 PG1.0 + * when MRRS is set to more than 128 bytes. Force the MRRS to + * 128 bytes in all downstream devices. + */ + if (pci_match_id(am6_pci_devids, bridge)) { + bridge_dev = pci_get_host_bridge_device(dev); + if (!bridge_dev && !bridge_dev->parent) + return; + + ks_pcie = dev_get_drvdata(bridge_dev->parent); + if (!ks_pcie) + return; + + val = ks_pcie_app_readl(ks_pcie, PID); + val &= RTL; + val >>= RTL_SHIFT; + if (val != AM6_PCI_PG1_RTL_VER) + return; + + if (pcie_get_readrq(dev) > 128) { + dev_info(&dev->dev, "limiting MRRS to 128 bytes\n"); + pcie_set_readrq(dev, 128); + } + } } DECLARE_PCI_FIXUP_ENABLE(PCI_ANY_ID, PCI_ANY_ID, ks_pcie_quirk); From 9380fe33ab2374a06593d80ef92d37f707e0a752 Mon Sep 17 00:00:00 2001 From: Chen Ni Date: Fri, 21 Jun 2024 09:35:22 +0800 Subject: [PATCH 610/702] media: qcom: camss: Add check for v4l2_fwnode_endpoint_parse [ Upstream commit 4caf6d93d9f2c11d6441c64e1c549c445fa322ed ] Add check for the return value of v4l2_fwnode_endpoint_parse() and return the error if it fails in order to catch the error. Signed-off-by: Chen Ni Signed-off-by: Hans Verkuil Signed-off-by: Sasha Levin --- drivers/media/platform/qcom/camss/camss.c | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-) diff --git a/drivers/media/platform/qcom/camss/camss.c b/drivers/media/platform/qcom/camss/camss.c index 9186881afc98..d074f426980d 100644 --- a/drivers/media/platform/qcom/camss/camss.c +++ b/drivers/media/platform/qcom/camss/camss.c @@ -431,8 +431,11 @@ static int camss_of_parse_endpoint_node(struct device *dev, struct v4l2_fwnode_bus_mipi_csi2 *mipi_csi2; struct v4l2_fwnode_endpoint vep = { { 0 } }; unsigned int i; + int ret; - v4l2_fwnode_endpoint_parse(of_fwnode_handle(node), &vep); + ret = v4l2_fwnode_endpoint_parse(of_fwnode_handle(node), &vep); + if (ret) + return ret; csd->interface.csiphy_id = vep.base.port; From ee50abebdc0bc1f25921018897c127d23ed06a3d Mon Sep 17 00:00:00 2001 From: Jules Irenge Date: Sun, 12 May 2024 23:31:21 +0100 Subject: [PATCH 611/702] pcmcia: Use resource_size function on resource object [ Upstream commit 24a025497e7e883bd2adef5d0ece1e9b9268009f ] Cocinnele reports a warning WARNING: Suspicious code. resource_size is maybe missing with root The root cause is the function resource_size is not used when needed Use resource_size() on variable "root" of type resource Signed-off-by: Jules Irenge Signed-off-by: Dominik Brodowski Signed-off-by: Sasha Levin --- drivers/pcmcia/yenta_socket.c | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) diff --git a/drivers/pcmcia/yenta_socket.c b/drivers/pcmcia/yenta_socket.c index 84bfc0e85d6b..f15b72c6e57e 100644 --- a/drivers/pcmcia/yenta_socket.c +++ b/drivers/pcmcia/yenta_socket.c @@ -636,11 +636,11 @@ static int yenta_search_one_res(struct resource *root, struct resource *res, start = PCIBIOS_MIN_CARDBUS_IO; end = ~0U; } else { - unsigned long avail = root->end - root->start; + unsigned long avail = resource_size(root); int i; size = BRIDGE_MEM_MAX; - if (size > avail/8) { - size = (avail+1)/8; + if (size > (avail - 1) / 8) { + size = avail / 8; /* round size down to next power of 2 */ i = 0; while ((size /= 2) != 0) From aec92dbebdbec7567d9f56d7c9296a572b8fd849 Mon Sep 17 00:00:00 2001 From: Kuniyuki Iwashima Date: Mon, 22 Jul 2024 12:28:42 -0700 Subject: [PATCH 612/702] can: bcm: Remove proc entry when dev is unregistered. [ Upstream commit 76fe372ccb81b0c89b6cd2fec26e2f38c958be85 ] syzkaller reported a warning in bcm_connect() below. [0] The repro calls connect() to vxcan1, removes vxcan1, and calls connect() with ifindex == 0. Calling connect() for a BCM socket allocates a proc entry. Then, bcm_sk(sk)->bound is set to 1 to prevent further connect(). However, removing the bound device resets bcm_sk(sk)->bound to 0 in bcm_notify(). The 2nd connect() tries to allocate a proc entry with the same name and sets NULL to bcm_sk(sk)->bcm_proc_read, leaking the original proc entry. Since the proc entry is available only for connect()ed sockets, let's clean up the entry when the bound netdev is unregistered. [0]: proc_dir_entry 'can-bcm/2456' already registered WARNING: CPU: 1 PID: 394 at fs/proc/generic.c:376 proc_register+0x645/0x8f0 fs/proc/generic.c:375 Modules linked in: CPU: 1 PID: 394 Comm: syz-executor403 Not tainted 6.10.0-rc7-g852e42cc2dd4 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 RIP: 0010:proc_register+0x645/0x8f0 fs/proc/generic.c:375 Code: 00 00 00 00 00 48 85 ed 0f 85 97 02 00 00 4d 85 f6 0f 85 9f 02 00 00 48 c7 c7 9b cb cf 87 48 89 de 4c 89 fa e8 1c 6f eb fe 90 <0f> 0b 90 90 48 c7 c7 98 37 99 89 e8 cb 7e 22 05 bb 00 00 00 10 48 RSP: 0018:ffa0000000cd7c30 EFLAGS: 00010246 RAX: 9e129be1950f0200 RBX: ff1100011b51582c RCX: ff1100011857cd80 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000002 RBP: 0000000000000000 R08: ffd400000000000f R09: ff1100013e78cac0 R10: ffac800000cd7980 R11: ff1100013e12b1f0 R12: 0000000000000000 R13: 0000000000000000 R14: 0000000000000000 R15: ff1100011a99a2ec FS: 00007fbd7086f740(0000) GS:ff1100013fd00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00000000200071c0 CR3: 0000000118556004 CR4: 0000000000771ef0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe07f0 DR7: 0000000000000400 PKRU: 55555554 Call Trace: proc_create_net_single+0x144/0x210 fs/proc/proc_net.c:220 bcm_connect+0x472/0x840 net/can/bcm.c:1673 __sys_connect_file net/socket.c:2049 [inline] __sys_connect+0x5d2/0x690 net/socket.c:2066 __do_sys_connect net/socket.c:2076 [inline] __se_sys_connect net/socket.c:2073 [inline] __x64_sys_connect+0x8f/0x100 net/socket.c:2073 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xd9/0x1c0 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x4b/0x53 RIP: 0033:0x7fbd708b0e5d Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d 73 9f 1b 00 f7 d8 64 89 01 48 RSP: 002b:00007fff8cd33f08 EFLAGS: 00000246 ORIG_RAX: 000000000000002a RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007fbd708b0e5d RDX: 0000000000000010 RSI: 0000000020000040 RDI: 0000000000000003 RBP: 0000000000000000 R08: 0000000000000040 R09: 0000000000000040 R10: 0000000000000040 R11: 0000000000000246 R12: 00007fff8cd34098 R13: 0000000000401280 R14: 0000000000406de8 R15: 00007fbd70ab9000 remove_proc_entry: removing non-empty directory 'net/can-bcm', leaking at least '2456' Fixes: ffd980f976e7 ("[CAN]: Add broadcast manager (bcm) protocol") Reported-by: syzkaller Signed-off-by: Kuniyuki Iwashima Reviewed-by: Simon Horman Link: https://lore.kernel.org/all/20240722192842.37421-1-kuniyu@amazon.com Signed-off-by: Marc Kleine-Budde Signed-off-by: Sasha Levin --- net/can/bcm.c | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/net/can/bcm.c b/net/can/bcm.c index 2388c619f29c..b2b1bd672787 100644 --- a/net/can/bcm.c +++ b/net/can/bcm.c @@ -1423,6 +1423,10 @@ static void bcm_notify(struct bcm_sock *bo, unsigned long msg, /* remove device reference, if this is our bound device */ if (bo->bound && bo->ifindex == dev->ifindex) { +#if IS_ENABLED(CONFIG_PROC_FS) + if (sock_net(sk)->can.bcmproc_dir && bo->bcm_proc_read) + remove_proc_entry(bo->procname, sock_net(sk)->can.bcmproc_dir); +#endif bo->bound = 0; bo->ifindex = 0; notify_enodev = 1; From 449d70b16b845df80a5461af9758b2980602c502 Mon Sep 17 00:00:00 2001 From: Daiwei Li Date: Tue, 13 Aug 2024 21:55:53 -0700 Subject: [PATCH 613/702] igb: Fix not clearing TimeSync interrupts for 82580 [ Upstream commit ba8cf80724dbc09825b52498e4efacb563935408 ] 82580 NICs have a hardware bug that makes it necessary to write into the TSICR (TimeSync Interrupt Cause) register to clear it: https://lore.kernel.org/all/CDCB8BE0.1EC2C%25matthew.vick@intel.com/ Add a conditional so only for 82580 we write into the TSICR register, so we don't risk losing events for other models. Without this change, when running ptp4l with an Intel 82580 card, I get the following output: > timed out while polling for tx timestamp increasing tx_timestamp_timeout or > increasing kworker priority may correct this issue, but a driver bug likely > causes it This goes away with this change. This (partially) reverts commit ee14cc9ea19b ("igb: Fix missing time sync events"). Fixes: ee14cc9ea19b ("igb: Fix missing time sync events") Closes: https://lore.kernel.org/intel-wired-lan/CAN0jFd1kO0MMtOh8N2Ztxn6f7vvDKp2h507sMryobkBKe=xk=w@mail.gmail.com/ Tested-by: Daiwei Li Suggested-by: Vinicius Costa Gomes Signed-off-by: Daiwei Li Acked-by: Vinicius Costa Gomes Reviewed-by: Kurt Kanzenbach Tested-by: Pucha Himasekhar Reddy (A Contingent worker at Intel) Signed-off-by: Tony Nguyen Signed-off-by: Sasha Levin --- drivers/net/ethernet/intel/igb/igb_main.c | 10 ++++++++++ 1 file changed, 10 insertions(+) diff --git a/drivers/net/ethernet/intel/igb/igb_main.c b/drivers/net/ethernet/intel/igb/igb_main.c index 0848613c3f45..e2c38e5232dc 100644 --- a/drivers/net/ethernet/intel/igb/igb_main.c +++ b/drivers/net/ethernet/intel/igb/igb_main.c @@ -6805,10 +6805,20 @@ static void igb_extts(struct igb_adapter *adapter, int tsintr_tt) static void igb_tsync_interrupt(struct igb_adapter *adapter) { + const u32 mask = (TSINTR_SYS_WRAP | E1000_TSICR_TXTS | + TSINTR_TT0 | TSINTR_TT1 | + TSINTR_AUTT0 | TSINTR_AUTT1); struct e1000_hw *hw = &adapter->hw; u32 tsicr = rd32(E1000_TSICR); struct ptp_clock_event event; + if (hw->mac.type == e1000_82580) { + /* 82580 has a hardware bug that requires an explicit + * write to clear the TimeSync interrupt cause. + */ + wr32(E1000_TSICR, tsicr & mask); + } + if (tsicr & TSINTR_SYS_WRAP) { event.type = PTP_CLOCK_PPS; if (adapter->ptp_caps.pps) From 45c0c747dfb569246c85e3c9ad19890ccf5cbcaf Mon Sep 17 00:00:00 2001 From: Chuck Lever Date: Thu, 12 Nov 2020 14:47:14 -0500 Subject: [PATCH 614/702] svcrdma: Catch another Reply chunk overflow case [ Upstream commit e5decb2eb5f4d1f64ba9196b4bad0e26a441c81c ] When space in the Reply chunk runs out in the middle of a segment, we end up passing a zero-length SGL to rdma_rw_ctx_init(), and it oopses. Signed-off-by: Chuck Lever Stable-dep-of: ffc17e1479e8 ("platform/x86: dell-smbios: Fix error path in dell_smbios_init()") Signed-off-by: Sasha Levin --- net/sunrpc/xprtrdma/svc_rdma_rw.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/net/sunrpc/xprtrdma/svc_rdma_rw.c b/net/sunrpc/xprtrdma/svc_rdma_rw.c index 80a0c0e87590..7c50eddb8d3c 100644 --- a/net/sunrpc/xprtrdma/svc_rdma_rw.c +++ b/net/sunrpc/xprtrdma/svc_rdma_rw.c @@ -460,6 +460,8 @@ svc_rdma_build_writes(struct svc_rdma_write_info *info, offset += info->wi_seg_off; write_len = min(remaining, length - info->wi_seg_off); + if (!write_len) + goto out_overflow; ctxt = svc_rdma_get_rw_ctxt(rdma, (write_len >> PAGE_SHIFT) + 2); if (!ctxt) From ee1c2ecf7bbc1a56ae8c0bbbb7fce63bb2f0f7ce Mon Sep 17 00:00:00 2001 From: Aleksandr Mishin Date: Fri, 30 Aug 2024 09:54:28 +0300 Subject: [PATCH 615/702] platform/x86: dell-smbios: Fix error path in dell_smbios_init() MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit [ Upstream commit ffc17e1479e8e9459b7afa80e5d9d40d0dd78abb ] In case of error in build_tokens_sysfs(), all the memory that has been allocated is freed at end of this function. But then free_group() is called which performs memory deallocation again. Also, instead of free_group() call, there should be exit_dell_smbios_smm() and exit_dell_smbios_wmi() calls, since there is initialization, but there is no release of resources in case of an error. Fix these issues by replacing free_group() call with exit_dell_smbios_wmi() and exit_dell_smbios_smm(). Found by Linux Verification Center (linuxtesting.org) with SVACE. Fixes: 33b9ca1e53b4 ("platform/x86: dell-smbios: Add a sysfs interface for SMBIOS tokens") Signed-off-by: Aleksandr Mishin Link: https://lore.kernel.org/r/20240830065428.9544-1-amishin@t-argos.ru Reviewed-by: Ilpo Järvinen Signed-off-by: Ilpo Järvinen Signed-off-by: Sasha Levin --- drivers/platform/x86/dell-smbios-base.c | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-) diff --git a/drivers/platform/x86/dell-smbios-base.c b/drivers/platform/x86/dell-smbios-base.c index 3a1dbf199441..98e77cb210b7 100644 --- a/drivers/platform/x86/dell-smbios-base.c +++ b/drivers/platform/x86/dell-smbios-base.c @@ -610,7 +610,10 @@ static int __init dell_smbios_init(void) return 0; fail_sysfs: - free_group(platform_device); + if (!wmi) + exit_dell_smbios_wmi(); + if (!smm) + exit_dell_smbios_smm(); fail_create_group: platform_device_del(platform_device); From 3efe53eb221a38e207c1e3f81c51e4ca057d50c2 Mon Sep 17 00:00:00 2001 From: Cong Wang Date: Tue, 20 Aug 2024 20:07:44 -0700 Subject: [PATCH 616/702] tcp_bpf: fix return value of tcp_bpf_sendmsg() [ Upstream commit fe1910f9337bd46a9343967b547ccab26b4b2c6e ] When we cork messages in psock->cork, the last message triggers the flushing will result in sending a sk_msg larger than the current message size. In this case, in tcp_bpf_send_verdict(), 'copied' becomes negative at least in the following case: 468 case __SK_DROP: 469 default: 470 sk_msg_free_partial(sk, msg, tosend); 471 sk_msg_apply_bytes(psock, tosend); 472 *copied -= (tosend + delta); // <==== HERE 473 return -EACCES; Therefore, it could lead to the following BUG with a proper value of 'copied' (thanks to syzbot). We should not use negative 'copied' as a return value here. ------------[ cut here ]------------ kernel BUG at net/socket.c:733! Internal error: Oops - BUG: 00000000f2000800 [#1] PREEMPT SMP Modules linked in: CPU: 0 UID: 0 PID: 3265 Comm: syz-executor510 Not tainted 6.11.0-rc3-syzkaller-00060-gd07b43284ab3 #0 Hardware name: linux,dummy-virt (DT) pstate: 61400009 (nZCv daif +PAN -UAO -TCO +DIT -SSBS BTYPE=--) pc : sock_sendmsg_nosec net/socket.c:733 [inline] pc : sock_sendmsg_nosec net/socket.c:728 [inline] pc : __sock_sendmsg+0x5c/0x60 net/socket.c:745 lr : sock_sendmsg_nosec net/socket.c:730 [inline] lr : __sock_sendmsg+0x54/0x60 net/socket.c:745 sp : ffff800088ea3b30 x29: ffff800088ea3b30 x28: fbf00000062bc900 x27: 0000000000000000 x26: ffff800088ea3bc0 x25: ffff800088ea3bc0 x24: 0000000000000000 x23: f9f00000048dc000 x22: 0000000000000000 x21: ffff800088ea3d90 x20: f9f00000048dc000 x19: ffff800088ea3d90 x18: 0000000000000001 x17: 0000000000000000 x16: 0000000000000000 x15: 000000002002ffaf x14: 0000000000000000 x13: 0000000000000000 x12: 0000000000000000 x11: 0000000000000000 x10: ffff8000815849c0 x9 : ffff8000815b49c0 x8 : 0000000000000000 x7 : 000000000000003f x6 : 0000000000000000 x5 : 00000000000007e0 x4 : fff07ffffd239000 x3 : fbf00000062bc900 x2 : 0000000000000000 x1 : 0000000000000000 x0 : 00000000fffffdef Call trace: sock_sendmsg_nosec net/socket.c:733 [inline] __sock_sendmsg+0x5c/0x60 net/socket.c:745 ____sys_sendmsg+0x274/0x2ac net/socket.c:2597 ___sys_sendmsg+0xac/0x100 net/socket.c:2651 __sys_sendmsg+0x84/0xe0 net/socket.c:2680 __do_sys_sendmsg net/socket.c:2689 [inline] __se_sys_sendmsg net/socket.c:2687 [inline] __arm64_sys_sendmsg+0x24/0x30 net/socket.c:2687 __invoke_syscall arch/arm64/kernel/syscall.c:35 [inline] invoke_syscall+0x48/0x110 arch/arm64/kernel/syscall.c:49 el0_svc_common.constprop.0+0x40/0xe0 arch/arm64/kernel/syscall.c:132 do_el0_svc+0x1c/0x28 arch/arm64/kernel/syscall.c:151 el0_svc+0x34/0xec arch/arm64/kernel/entry-common.c:712 el0t_64_sync_handler+0x100/0x12c arch/arm64/kernel/entry-common.c:730 el0t_64_sync+0x19c/0x1a0 arch/arm64/kernel/entry.S:598 Code: f9404463 d63f0060 3108441f 54fffe81 (d4210000) ---[ end trace 0000000000000000 ]--- Fixes: 4f738adba30a ("bpf: create tcp_bpf_ulp allowing BPF to monitor socket TX/RX data") Reported-by: syzbot+58c03971700330ce14d8@syzkaller.appspotmail.com Cc: Jakub Sitnicki Signed-off-by: Cong Wang Reviewed-by: John Fastabend Acked-by: Martin KaFai Lau Link: https://patch.msgid.link/20240821030744.320934-1-xiyou.wangcong@gmail.com Signed-off-by: Jakub Kicinski Signed-off-by: Sasha Levin --- net/ipv4/tcp_bpf.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/net/ipv4/tcp_bpf.c b/net/ipv4/tcp_bpf.c index f909e440bb22..ade27d63655c 100644 --- a/net/ipv4/tcp_bpf.c +++ b/net/ipv4/tcp_bpf.c @@ -511,7 +511,7 @@ static int tcp_bpf_sendmsg(struct sock *sk, struct msghdr *msg, size_t size) err = sk_stream_error(sk, msg->msg_flags, err); release_sock(sk); sk_psock_put(sk, psock); - return copied ? copied : err; + return copied > 0 ? copied : err; } static int tcp_bpf_sendpage(struct sock *sk, struct page *page, int offset, From acd29851376012594198080ac077fe0101ebfe4d Mon Sep 17 00:00:00 2001 From: Dan Carpenter Date: Thu, 29 Aug 2024 22:22:45 +0300 Subject: [PATCH 617/702] igc: Unlock on error in igc_io_resume() [ Upstream commit ef4a99a0164e3972abb421cbb1b09ea6c61414df ] Call rtnl_unlock() on this error path, before returning. Fixes: bc23aa949aeb ("igc: Add pcie error handler support") Signed-off-by: Dan Carpenter Reviewed-by: Gerhard Engleder Signed-off-by: David S. Miller Signed-off-by: Sasha Levin --- drivers/net/ethernet/intel/igc/igc_main.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/net/ethernet/intel/igc/igc_main.c b/drivers/net/ethernet/intel/igc/igc_main.c index 631ce793fb2e..65cf7035b02d 100644 --- a/drivers/net/ethernet/intel/igc/igc_main.c +++ b/drivers/net/ethernet/intel/igc/igc_main.c @@ -5740,6 +5740,7 @@ static void igc_io_resume(struct pci_dev *pdev) rtnl_lock(); if (netif_running(netdev)) { if (igc_open(netdev)) { + rtnl_unlock(); netdev_err(netdev, "igc_open failed after reset\n"); return; } From 98a4cabf8762bcff5282d03ee4b9c833c2c1f160 Mon Sep 17 00:00:00 2001 From: Len Baker Date: Sun, 1 Aug 2021 19:12:26 +0200 Subject: [PATCH 618/702] drivers/net/usb: Remove all strcpy() uses [ Upstream commit 493c3ca6bd754d8587604496eb814f72e933075d ] strcpy() performs no bounds checking on the destination buffer. This could result in linear overflows beyond the end of the buffer, leading to all kinds of misbehaviors. The safe replacement is strscpy(). Signed-off-by: Len Baker Signed-off-by: David S. Miller Stable-dep-of: bab8eb0dd4cb ("usbnet: modern method to get random MAC") Signed-off-by: Sasha Levin --- drivers/net/usb/ipheth.c | 2 +- drivers/net/usb/usbnet.c | 8 ++++---- 2 files changed, 5 insertions(+), 5 deletions(-) diff --git a/drivers/net/usb/ipheth.c b/drivers/net/usb/ipheth.c index 06d9f19ca142..d56e276e4d80 100644 --- a/drivers/net/usb/ipheth.c +++ b/drivers/net/usb/ipheth.c @@ -443,7 +443,7 @@ static int ipheth_probe(struct usb_interface *intf, netdev->netdev_ops = &ipheth_netdev_ops; netdev->watchdog_timeo = IPHETH_TX_TIMEOUT; - strcpy(netdev->name, "eth%d"); + strscpy(netdev->name, "eth%d", sizeof(netdev->name)); dev = netdev_priv(netdev); dev->udev = udev; diff --git a/drivers/net/usb/usbnet.c b/drivers/net/usb/usbnet.c index 481a41d879b5..01f80aea1605 100644 --- a/drivers/net/usb/usbnet.c +++ b/drivers/net/usb/usbnet.c @@ -1693,7 +1693,7 @@ usbnet_probe (struct usb_interface *udev, const struct usb_device_id *prod) dev->interrupt_count = 0; dev->net = net; - strcpy (net->name, "usb%d"); + strscpy(net->name, "usb%d", sizeof(net->name)); memcpy (net->dev_addr, node_id, sizeof node_id); /* rx and tx sides can use different message sizes; @@ -1720,13 +1720,13 @@ usbnet_probe (struct usb_interface *udev, const struct usb_device_id *prod) if ((dev->driver_info->flags & FLAG_ETHER) != 0 && ((dev->driver_info->flags & FLAG_POINTTOPOINT) == 0 || (net->dev_addr [0] & 0x02) == 0)) - strcpy (net->name, "eth%d"); + strscpy(net->name, "eth%d", sizeof(net->name)); /* WLAN devices should always be named "wlan%d" */ if ((dev->driver_info->flags & FLAG_WLAN) != 0) - strcpy(net->name, "wlan%d"); + strscpy(net->name, "wlan%d", sizeof(net->name)); /* WWAN devices should always be named "wwan%d" */ if ((dev->driver_info->flags & FLAG_WWAN) != 0) - strcpy(net->name, "wwan%d"); + strscpy(net->name, "wwan%d", sizeof(net->name)); /* devices that cannot do ARP */ if ((dev->driver_info->flags & FLAG_NOARP) != 0) From 594cc1dba09bc409df6bf9270370ea61c654f18a Mon Sep 17 00:00:00 2001 From: Jakub Kicinski Date: Thu, 21 Oct 2021 06:12:06 -0700 Subject: [PATCH 619/702] net: usb: don't write directly to netdev->dev_addr [ Upstream commit 2674e7ea22ba0e22a2d1603bd51e0b8f6442a267 ] Commit 406f42fa0d3c ("net-next: When a bond have a massive amount of VLANs...") introduced a rbtree for faster Ethernet address look up. To maintain netdev->dev_addr in this tree we need to make all the writes to it got through appropriate helpers. Manually fix all net/usb drivers without separate maintainers. v2: catc does DMA to the buffer, leave the conversion to Oliver Signed-off-by: Jakub Kicinski Stable-dep-of: bab8eb0dd4cb ("usbnet: modern method to get random MAC") Signed-off-by: Sasha Levin --- drivers/net/usb/ch9200.c | 4 +++- drivers/net/usb/cx82310_eth.c | 5 +++-- drivers/net/usb/kaweth.c | 3 +-- drivers/net/usb/mcs7830.c | 4 +++- drivers/net/usb/sierra_net.c | 6 ++++-- drivers/net/usb/sr9700.c | 4 +++- drivers/net/usb/sr9800.c | 5 +++-- drivers/net/usb/usbnet.c | 6 ++++-- 8 files changed, 24 insertions(+), 13 deletions(-) diff --git a/drivers/net/usb/ch9200.c b/drivers/net/usb/ch9200.c index d7f3b70d5477..f69d9b902da0 100644 --- a/drivers/net/usb/ch9200.c +++ b/drivers/net/usb/ch9200.c @@ -336,6 +336,7 @@ static int ch9200_bind(struct usbnet *dev, struct usb_interface *intf) { int retval = 0; unsigned char data[2]; + u8 addr[ETH_ALEN]; retval = usbnet_get_endpoints(dev, intf); if (retval) @@ -383,7 +384,8 @@ static int ch9200_bind(struct usbnet *dev, struct usb_interface *intf) retval = control_write(dev, REQUEST_WRITE, 0, MAC_REG_CTRL, data, 0x02, CONTROL_TIMEOUT_MS); - retval = get_mac_address(dev, dev->net->dev_addr); + retval = get_mac_address(dev, addr); + eth_hw_addr_set(dev->net, addr); return retval; } diff --git a/drivers/net/usb/cx82310_eth.c b/drivers/net/usb/cx82310_eth.c index c4568a491dc4..79a47e2fd437 100644 --- a/drivers/net/usb/cx82310_eth.c +++ b/drivers/net/usb/cx82310_eth.c @@ -146,6 +146,7 @@ static int cx82310_bind(struct usbnet *dev, struct usb_interface *intf) u8 link[3]; int timeout = 50; struct cx82310_priv *priv; + u8 addr[ETH_ALEN]; /* avoid ADSL modems - continue only if iProduct is "USB NET CARD" */ if (usb_string(udev, udev->descriptor.iProduct, buf, sizeof(buf)) > 0 @@ -202,12 +203,12 @@ static int cx82310_bind(struct usbnet *dev, struct usb_interface *intf) goto err; /* get the MAC address */ - ret = cx82310_cmd(dev, CMD_GET_MAC_ADDR, true, NULL, 0, - dev->net->dev_addr, ETH_ALEN); + ret = cx82310_cmd(dev, CMD_GET_MAC_ADDR, true, NULL, 0, addr, ETH_ALEN); if (ret) { netdev_err(dev->net, "unable to read MAC address: %d\n", ret); goto err; } + eth_hw_addr_set(dev->net, addr); /* start (does not seem to have any effect?) */ ret = cx82310_cmd(dev, CMD_START, false, NULL, 0, NULL, 0); diff --git a/drivers/net/usb/kaweth.c b/drivers/net/usb/kaweth.c index 144c686b4333..9b2bc1993ece 100644 --- a/drivers/net/usb/kaweth.c +++ b/drivers/net/usb/kaweth.c @@ -1044,8 +1044,7 @@ static int kaweth_probe( goto err_all_but_rxbuf; memcpy(netdev->broadcast, &bcast_addr, sizeof(bcast_addr)); - memcpy(netdev->dev_addr, &kaweth->configuration.hw_addr, - sizeof(kaweth->configuration.hw_addr)); + eth_hw_addr_set(netdev, (u8 *)&kaweth->configuration.hw_addr); netdev->netdev_ops = &kaweth_netdev_ops; netdev->watchdog_timeo = KAWETH_TX_TIMEOUT; diff --git a/drivers/net/usb/mcs7830.c b/drivers/net/usb/mcs7830.c index 7e40e2e2f372..57281296ba2c 100644 --- a/drivers/net/usb/mcs7830.c +++ b/drivers/net/usb/mcs7830.c @@ -480,17 +480,19 @@ static const struct net_device_ops mcs7830_netdev_ops = { static int mcs7830_bind(struct usbnet *dev, struct usb_interface *udev) { struct net_device *net = dev->net; + u8 addr[ETH_ALEN]; int ret; int retry; /* Initial startup: Gather MAC address setting from EEPROM */ ret = -EINVAL; for (retry = 0; retry < 5 && ret; retry++) - ret = mcs7830_hif_get_mac_address(dev, net->dev_addr); + ret = mcs7830_hif_get_mac_address(dev, addr); if (ret) { dev_warn(&dev->udev->dev, "Cannot read MAC address\n"); goto out; } + eth_hw_addr_set(net, addr); mcs7830_data_set_multicast(net); diff --git a/drivers/net/usb/sierra_net.c b/drivers/net/usb/sierra_net.c index 0abd257b634c..777f672f288c 100644 --- a/drivers/net/usb/sierra_net.c +++ b/drivers/net/usb/sierra_net.c @@ -669,6 +669,7 @@ static int sierra_net_bind(struct usbnet *dev, struct usb_interface *intf) 0x00, 0x00, SIERRA_NET_HIP_MSYNC_ID, 0x00}; static const u8 shdwn_tmplate[sizeof(priv->shdwn_msg)] = { 0x00, 0x00, SIERRA_NET_HIP_SHUTD_ID, 0x00}; + u8 mod[2]; dev_dbg(&dev->udev->dev, "%s", __func__); @@ -698,8 +699,9 @@ static int sierra_net_bind(struct usbnet *dev, struct usb_interface *intf) dev->net->netdev_ops = &sierra_net_device_ops; /* change MAC addr to include, ifacenum, and to be unique */ - dev->net->dev_addr[ETH_ALEN-2] = atomic_inc_return(&iface_counter); - dev->net->dev_addr[ETH_ALEN-1] = ifacenum; + mod[0] = atomic_inc_return(&iface_counter); + mod[1] = ifacenum; + dev_addr_mod(dev->net, ETH_ALEN - 2, mod, 2); /* prepare shutdown message template */ memcpy(priv->shdwn_msg, shdwn_tmplate, sizeof(priv->shdwn_msg)); diff --git a/drivers/net/usb/sr9700.c b/drivers/net/usb/sr9700.c index 8d2e3daf03cf..1ec11a08820d 100644 --- a/drivers/net/usb/sr9700.c +++ b/drivers/net/usb/sr9700.c @@ -326,6 +326,7 @@ static int sr9700_bind(struct usbnet *dev, struct usb_interface *intf) { struct net_device *netdev; struct mii_if_info *mii; + u8 addr[ETH_ALEN]; int ret; ret = usbnet_get_endpoints(dev, intf); @@ -356,11 +357,12 @@ static int sr9700_bind(struct usbnet *dev, struct usb_interface *intf) * EEPROM automatically to PAR. In case there is no EEPROM externally, * a default MAC address is stored in PAR for making chip work properly. */ - if (sr_read(dev, SR_PAR, ETH_ALEN, netdev->dev_addr) < 0) { + if (sr_read(dev, SR_PAR, ETH_ALEN, addr) < 0) { netdev_err(netdev, "Error reading MAC address\n"); ret = -ENODEV; goto out; } + eth_hw_addr_set(netdev, addr); /* power up and reset phy */ sr_write_reg(dev, SR_PRR, PRR_PHY_RST); diff --git a/drivers/net/usb/sr9800.c b/drivers/net/usb/sr9800.c index a5332e99102a..351e0edcda2a 100644 --- a/drivers/net/usb/sr9800.c +++ b/drivers/net/usb/sr9800.c @@ -731,6 +731,7 @@ static int sr9800_bind(struct usbnet *dev, struct usb_interface *intf) struct sr_data *data = (struct sr_data *)&dev->data; u16 led01_mux, led23_mux; int ret, embd_phy; + u8 addr[ETH_ALEN]; u32 phyid; u16 rx_ctl; @@ -756,12 +757,12 @@ static int sr9800_bind(struct usbnet *dev, struct usb_interface *intf) } /* Get the MAC address */ - ret = sr_read_cmd(dev, SR_CMD_READ_NODE_ID, 0, 0, ETH_ALEN, - dev->net->dev_addr); + ret = sr_read_cmd(dev, SR_CMD_READ_NODE_ID, 0, 0, ETH_ALEN, addr); if (ret < 0) { netdev_dbg(dev->net, "Failed to read MAC address: %d\n", ret); return ret; } + eth_hw_addr_set(dev->net, addr); netdev_dbg(dev->net, "mac addr : %pM\n", dev->net->dev_addr); /* Initialize MII structure */ diff --git a/drivers/net/usb/usbnet.c b/drivers/net/usb/usbnet.c index 01f80aea1605..e87d3108ef05 100644 --- a/drivers/net/usb/usbnet.c +++ b/drivers/net/usb/usbnet.c @@ -148,12 +148,13 @@ EXPORT_SYMBOL_GPL(usbnet_get_endpoints); int usbnet_get_ethernet_addr(struct usbnet *dev, int iMACAddress) { + u8 addr[ETH_ALEN]; int tmp = -1, ret; unsigned char buf [13]; ret = usb_string(dev->udev, iMACAddress, buf, sizeof buf); if (ret == 12) - tmp = hex2bin(dev->net->dev_addr, buf, 6); + tmp = hex2bin(addr, buf, 6); if (tmp < 0) { dev_dbg(&dev->udev->dev, "bad MAC string %d fetch, %d\n", iMACAddress, tmp); @@ -161,6 +162,7 @@ int usbnet_get_ethernet_addr(struct usbnet *dev, int iMACAddress) ret = -EINVAL; return ret; } + eth_hw_addr_set(dev->net, addr); return 0; } EXPORT_SYMBOL_GPL(usbnet_get_ethernet_addr); @@ -1694,7 +1696,7 @@ usbnet_probe (struct usb_interface *udev, const struct usb_device_id *prod) dev->net = net; strscpy(net->name, "usb%d", sizeof(net->name)); - memcpy (net->dev_addr, node_id, sizeof node_id); + eth_hw_addr_set(net, node_id); /* rx and tx sides can use different message sizes; * bind() should set rx_urb_size in that case. From 32cbafeebfc183a0ce507aec7d9263112809f5b1 Mon Sep 17 00:00:00 2001 From: Oliver Neukum Date: Thu, 29 Aug 2024 19:50:55 +0200 Subject: [PATCH 620/702] usbnet: modern method to get random MAC [ Upstream commit bab8eb0dd4cb995caa4a0529d5655531c2ec5e8e ] The driver generates a random MAC once on load and uses it over and over, including on two devices needing a random MAC at the same time. Jakub suggested revamping the driver to the modern API for setting a random MAC rather than fixing the old stuff. The bug is as old as the driver. Signed-off-by: Oliver Neukum Reviewed-by: Simon Horman Fixes: 1da177e4c3f4 ("Linux-2.6.12-rc2") Link: https://patch.msgid.link/20240829175201.670718-1-oneukum@suse.com Signed-off-by: Jakub Kicinski Signed-off-by: Sasha Levin --- drivers/net/usb/usbnet.c | 11 +++-------- 1 file changed, 3 insertions(+), 8 deletions(-) diff --git a/drivers/net/usb/usbnet.c b/drivers/net/usb/usbnet.c index e87d3108ef05..669cd20cfe00 100644 --- a/drivers/net/usb/usbnet.c +++ b/drivers/net/usb/usbnet.c @@ -64,9 +64,6 @@ /*-------------------------------------------------------------------------*/ -// randomly generated ethernet address -static u8 node_id [ETH_ALEN]; - /* use ethtool to change the level for any given device */ static int msg_level = -1; module_param (msg_level, int, 0); @@ -1696,7 +1693,6 @@ usbnet_probe (struct usb_interface *udev, const struct usb_device_id *prod) dev->net = net; strscpy(net->name, "usb%d", sizeof(net->name)); - eth_hw_addr_set(net, node_id); /* rx and tx sides can use different message sizes; * bind() should set rx_urb_size in that case. @@ -1770,9 +1766,9 @@ usbnet_probe (struct usb_interface *udev, const struct usb_device_id *prod) goto out4; } - /* let userspace know we have a random address */ - if (ether_addr_equal(net->dev_addr, node_id)) - net->addr_assign_type = NET_ADDR_RANDOM; + /* this flags the device for user space */ + if (!is_valid_ether_addr(net->dev_addr)) + eth_hw_addr_random(net); if ((dev->driver_info->flags & FLAG_WLAN) != 0) SET_NETDEV_DEVTYPE(net, &wlan_type); @@ -2182,7 +2178,6 @@ static int __init usbnet_init(void) BUILD_BUG_ON( sizeof_field(struct sk_buff, cb) < sizeof(struct skb_data)); - eth_random_addr(node_id); return 0; } module_init(usbnet_init); From 3c0cedc22c971b4bfb67ca42543e19c2b8ba197f Mon Sep 17 00:00:00 2001 From: Guillaume Nault Date: Fri, 30 Aug 2024 17:31:07 +0200 Subject: [PATCH 621/702] bareudp: Fix device stats updates. [ Upstream commit 4963d2343af81f493519f9c3ea9f2169eaa7353a ] Bareudp devices update their stats concurrently. Therefore they need proper atomic increments. Fixes: 571912c69f0e ("net: UDP tunnel encapsulation module for tunnelling different protocols like MPLS, IP, NSH etc.") Signed-off-by: Guillaume Nault Reviewed-by: Willem de Bruijn Link: https://patch.msgid.link/04b7b9d0b480158eb3ab4366ec80aa2ab7e41fcb.1725031794.git.gnault@redhat.com Signed-off-by: Jakub Kicinski Signed-off-by: Sasha Levin --- drivers/net/bareudp.c | 22 +++++++++++----------- 1 file changed, 11 insertions(+), 11 deletions(-) diff --git a/drivers/net/bareudp.c b/drivers/net/bareudp.c index 53ef48588e59..d9917120b8fa 100644 --- a/drivers/net/bareudp.c +++ b/drivers/net/bareudp.c @@ -75,7 +75,7 @@ static int bareudp_udp_encap_recv(struct sock *sk, struct sk_buff *skb) if (skb_copy_bits(skb, BAREUDP_BASE_HLEN, &ipversion, sizeof(ipversion))) { - bareudp->dev->stats.rx_dropped++; + DEV_STATS_INC(bareudp->dev, rx_dropped); goto drop; } ipversion >>= 4; @@ -85,7 +85,7 @@ static int bareudp_udp_encap_recv(struct sock *sk, struct sk_buff *skb) } else if (ipversion == 6 && bareudp->multi_proto_mode) { proto = htons(ETH_P_IPV6); } else { - bareudp->dev->stats.rx_dropped++; + DEV_STATS_INC(bareudp->dev, rx_dropped); goto drop; } } else if (bareudp->ethertype == htons(ETH_P_MPLS_UC)) { @@ -99,7 +99,7 @@ static int bareudp_udp_encap_recv(struct sock *sk, struct sk_buff *skb) ipv4_is_multicast(tunnel_hdr->daddr)) { proto = htons(ETH_P_MPLS_MC); } else { - bareudp->dev->stats.rx_dropped++; + DEV_STATS_INC(bareudp->dev, rx_dropped); goto drop; } } else { @@ -115,7 +115,7 @@ static int bareudp_udp_encap_recv(struct sock *sk, struct sk_buff *skb) (addr_type & IPV6_ADDR_MULTICAST)) { proto = htons(ETH_P_MPLS_MC); } else { - bareudp->dev->stats.rx_dropped++; + DEV_STATS_INC(bareudp->dev, rx_dropped); goto drop; } } @@ -127,12 +127,12 @@ static int bareudp_udp_encap_recv(struct sock *sk, struct sk_buff *skb) proto, !net_eq(bareudp->net, dev_net(bareudp->dev)))) { - bareudp->dev->stats.rx_dropped++; + DEV_STATS_INC(bareudp->dev, rx_dropped); goto drop; } tun_dst = udp_tun_rx_dst(skb, family, TUNNEL_KEY, 0, 0); if (!tun_dst) { - bareudp->dev->stats.rx_dropped++; + DEV_STATS_INC(bareudp->dev, rx_dropped); goto drop; } skb_dst_set(skb, &tun_dst->dst); @@ -157,8 +157,8 @@ static int bareudp_udp_encap_recv(struct sock *sk, struct sk_buff *skb) &((struct ipv6hdr *)oiph)->saddr); } if (err > 1) { - ++bareudp->dev->stats.rx_frame_errors; - ++bareudp->dev->stats.rx_errors; + DEV_STATS_INC(bareudp->dev, rx_frame_errors); + DEV_STATS_INC(bareudp->dev, rx_errors); goto drop; } } @@ -453,11 +453,11 @@ static netdev_tx_t bareudp_xmit(struct sk_buff *skb, struct net_device *dev) dev_kfree_skb(skb); if (err == -ELOOP) - dev->stats.collisions++; + DEV_STATS_INC(dev, collisions); else if (err == -ENETUNREACH) - dev->stats.tx_carrier_errors++; + DEV_STATS_INC(dev, tx_carrier_errors); - dev->stats.tx_errors++; + DEV_STATS_INC(dev, tx_errors); return NETDEV_TX_OK; } From bc18f3c806672e091b97a312247fd071a0f4ab64 Mon Sep 17 00:00:00 2001 From: Eric Dumazet Date: Mon, 30 Aug 2021 20:26:08 -0700 Subject: [PATCH 622/702] fou: remove sparse errors [ Upstream commit 8d65cd8d25fa23951171094553901d69a88ccdff ] We need to add __rcu qualifier to avoid these errors: net/ipv4/fou.c:250:18: warning: incorrect type in assignment (different address spaces) net/ipv4/fou.c:250:18: expected struct net_offload const **offloads net/ipv4/fou.c:250:18: got struct net_offload const [noderef] __rcu ** net/ipv4/fou.c:251:15: error: incompatible types in comparison expression (different address spaces): net/ipv4/fou.c:251:15: struct net_offload const [noderef] __rcu * net/ipv4/fou.c:251:15: struct net_offload const * net/ipv4/fou.c:272:18: warning: incorrect type in assignment (different address spaces) net/ipv4/fou.c:272:18: expected struct net_offload const **offloads net/ipv4/fou.c:272:18: got struct net_offload const [noderef] __rcu ** net/ipv4/fou.c:273:15: error: incompatible types in comparison expression (different address spaces): net/ipv4/fou.c:273:15: struct net_offload const [noderef] __rcu * net/ipv4/fou.c:273:15: struct net_offload const * net/ipv4/fou.c:442:18: warning: incorrect type in assignment (different address spaces) net/ipv4/fou.c:442:18: expected struct net_offload const **offloads net/ipv4/fou.c:442:18: got struct net_offload const [noderef] __rcu ** net/ipv4/fou.c:443:15: error: incompatible types in comparison expression (different address spaces): net/ipv4/fou.c:443:15: struct net_offload const [noderef] __rcu * net/ipv4/fou.c:443:15: struct net_offload const * net/ipv4/fou.c:489:18: warning: incorrect type in assignment (different address spaces) net/ipv4/fou.c:489:18: expected struct net_offload const **offloads net/ipv4/fou.c:489:18: got struct net_offload const [noderef] __rcu ** net/ipv4/fou.c:490:15: error: incompatible types in comparison expression (different address spaces): net/ipv4/fou.c:490:15: struct net_offload const [noderef] __rcu * net/ipv4/fou.c:490:15: struct net_offload const * net/ipv4/udp_offload.c:170:26: warning: incorrect type in assignment (different address spaces) net/ipv4/udp_offload.c:170:26: expected struct net_offload const **offloads net/ipv4/udp_offload.c:170:26: got struct net_offload const [noderef] __rcu ** net/ipv4/udp_offload.c:171:23: error: incompatible types in comparison expression (different address spaces): net/ipv4/udp_offload.c:171:23: struct net_offload const [noderef] __rcu * net/ipv4/udp_offload.c:171:23: struct net_offload const * Fixes: efc98d08e1ec ("fou: eliminate IPv4,v6 specific GRO functions") Fixes: 8bce6d7d0d1e ("udp: Generalize skb_udp_segment") Signed-off-by: Eric Dumazet Signed-off-by: David S. Miller Stable-dep-of: 7e4196935069 ("fou: Fix null-ptr-deref in GRO.") Signed-off-by: Sasha Levin --- net/ipv4/fou.c | 10 +++++----- net/ipv4/udp_offload.c | 2 +- 2 files changed, 6 insertions(+), 6 deletions(-) diff --git a/net/ipv4/fou.c b/net/ipv4/fou.c index e5f69b0bf3df..8fcbc6258ec5 100644 --- a/net/ipv4/fou.c +++ b/net/ipv4/fou.c @@ -230,8 +230,8 @@ static struct sk_buff *fou_gro_receive(struct sock *sk, struct list_head *head, struct sk_buff *skb) { + const struct net_offload __rcu **offloads; u8 proto = fou_from_sock(sk)->protocol; - const struct net_offload **offloads; const struct net_offload *ops; struct sk_buff *pp = NULL; @@ -263,10 +263,10 @@ static struct sk_buff *fou_gro_receive(struct sock *sk, static int fou_gro_complete(struct sock *sk, struct sk_buff *skb, int nhoff) { - const struct net_offload *ops; + const struct net_offload __rcu **offloads; u8 proto = fou_from_sock(sk)->protocol; + const struct net_offload *ops; int err = -ENOSYS; - const struct net_offload **offloads; rcu_read_lock(); offloads = NAPI_GRO_CB(skb)->is_ipv6 ? inet6_offloads : inet_offloads; @@ -311,7 +311,7 @@ static struct sk_buff *gue_gro_receive(struct sock *sk, struct list_head *head, struct sk_buff *skb) { - const struct net_offload **offloads; + const struct net_offload __rcu **offloads; const struct net_offload *ops; struct sk_buff *pp = NULL; struct sk_buff *p; @@ -457,8 +457,8 @@ static struct sk_buff *gue_gro_receive(struct sock *sk, static int gue_gro_complete(struct sock *sk, struct sk_buff *skb, int nhoff) { - const struct net_offload **offloads; struct guehdr *guehdr = (struct guehdr *)(skb->data + nhoff); + const struct net_offload __rcu **offloads; const struct net_offload *ops; unsigned int guehlen = 0; u8 proto; diff --git a/net/ipv4/udp_offload.c b/net/ipv4/udp_offload.c index a0b569d0085b..57168d4fa195 100644 --- a/net/ipv4/udp_offload.c +++ b/net/ipv4/udp_offload.c @@ -149,8 +149,8 @@ struct sk_buff *skb_udp_tunnel_segment(struct sk_buff *skb, netdev_features_t features, bool is_ipv6) { + const struct net_offload __rcu **offloads; __be16 protocol = skb->protocol; - const struct net_offload **offloads; const struct net_offload *ops; struct sk_buff *segs = ERR_PTR(-EINVAL); struct sk_buff *(*gso_inner_segment)(struct sk_buff *skb, From 77ad44ee337e350844ead16909b7d74c186b7c96 Mon Sep 17 00:00:00 2001 From: Eric Dumazet Date: Tue, 23 Nov 2021 14:56:07 -0800 Subject: [PATCH 623/702] gro: remove rcu_read_lock/rcu_read_unlock from gro_receive handlers [ Upstream commit fc1ca3348a74a1afaa7ffebc2b2f2cc149e11278 ] All gro_receive() handlers are called from dev_gro_receive() while rcu_read_lock() has been called. There is no point stacking more rcu_read_lock() Signed-off-by: Eric Dumazet Signed-off-by: Jakub Kicinski Stable-dep-of: 7e4196935069 ("fou: Fix null-ptr-deref in GRO.") Signed-off-by: Sasha Levin --- drivers/net/geneve.c | 5 +---- net/8021q/vlan_core.c | 5 +---- net/ethernet/eth.c | 5 +---- net/ipv4/af_inet.c | 12 ++++-------- net/ipv4/fou.c | 12 +++--------- net/ipv4/gre_offload.c | 9 +++------ net/ipv4/udp_offload.c | 2 -- net/ipv6/ip6_offload.c | 6 +----- net/ipv6/udp_offload.c | 2 -- 9 files changed, 14 insertions(+), 44 deletions(-) diff --git a/drivers/net/geneve.c b/drivers/net/geneve.c index af35361a3dce..17989688f54b 100644 --- a/drivers/net/geneve.c +++ b/drivers/net/geneve.c @@ -528,18 +528,15 @@ static struct sk_buff *geneve_gro_receive(struct sock *sk, type = gh->proto_type; - rcu_read_lock(); ptype = gro_find_receive_by_type(type); if (!ptype) - goto out_unlock; + goto out; skb_gro_pull(skb, gh_len); skb_gro_postpull_rcsum(skb, gh, gh_len); pp = call_gro_receive(ptype->callbacks.gro_receive, head, skb); flush = 0; -out_unlock: - rcu_read_unlock(); out: skb_gro_flush_final(skb, pp, flush); diff --git a/net/8021q/vlan_core.c b/net/8021q/vlan_core.c index 43aea97c5762..ff0d3fc82c0f 100644 --- a/net/8021q/vlan_core.c +++ b/net/8021q/vlan_core.c @@ -482,10 +482,9 @@ static struct sk_buff *vlan_gro_receive(struct list_head *head, type = vhdr->h_vlan_encapsulated_proto; - rcu_read_lock(); ptype = gro_find_receive_by_type(type); if (!ptype) - goto out_unlock; + goto out; flush = 0; @@ -504,8 +503,6 @@ static struct sk_buff *vlan_gro_receive(struct list_head *head, skb_gro_postpull_rcsum(skb, vhdr, sizeof(*vhdr)); pp = call_gro_receive(ptype->callbacks.gro_receive, head, skb); -out_unlock: - rcu_read_unlock(); out: skb_gro_flush_final(skb, pp, flush); diff --git a/net/ethernet/eth.c b/net/ethernet/eth.c index 61cb40368723..2b0eb24199d6 100644 --- a/net/ethernet/eth.c +++ b/net/ethernet/eth.c @@ -430,19 +430,16 @@ struct sk_buff *eth_gro_receive(struct list_head *head, struct sk_buff *skb) type = eh->h_proto; - rcu_read_lock(); ptype = gro_find_receive_by_type(type); if (ptype == NULL) { flush = 1; - goto out_unlock; + goto out; } skb_gro_pull(skb, sizeof(*eh)); skb_gro_postpull_rcsum(skb, eh, sizeof(*eh)); pp = call_gro_receive(ptype->callbacks.gro_receive, head, skb); -out_unlock: - rcu_read_unlock(); out: skb_gro_flush_final(skb, pp, flush); diff --git a/net/ipv4/af_inet.c b/net/ipv4/af_inet.c index ce42626663de..cac63bb20c16 100644 --- a/net/ipv4/af_inet.c +++ b/net/ipv4/af_inet.c @@ -1471,19 +1471,18 @@ struct sk_buff *inet_gro_receive(struct list_head *head, struct sk_buff *skb) proto = iph->protocol; - rcu_read_lock(); ops = rcu_dereference(inet_offloads[proto]); if (!ops || !ops->callbacks.gro_receive) - goto out_unlock; + goto out; if (*(u8 *)iph != 0x45) - goto out_unlock; + goto out; if (ip_is_fragment(iph)) - goto out_unlock; + goto out; if (unlikely(ip_fast_csum((u8 *)iph, 5))) - goto out_unlock; + goto out; id = ntohl(*(__be32 *)&iph->id); flush = (u16)((ntohl(*(__be32 *)iph) ^ skb_gro_len(skb)) | (id & ~IP_DF)); @@ -1560,9 +1559,6 @@ struct sk_buff *inet_gro_receive(struct list_head *head, struct sk_buff *skb) pp = indirect_call_gro_receive(tcp4_gro_receive, udp4_gro_receive, ops->callbacks.gro_receive, head, skb); -out_unlock: - rcu_read_unlock(); - out: skb_gro_flush_final(skb, pp, flush); diff --git a/net/ipv4/fou.c b/net/ipv4/fou.c index 8fcbc6258ec5..5aacc75e495c 100644 --- a/net/ipv4/fou.c +++ b/net/ipv4/fou.c @@ -246,17 +246,14 @@ static struct sk_buff *fou_gro_receive(struct sock *sk, /* Flag this frame as already having an outer encap header */ NAPI_GRO_CB(skb)->is_fou = 1; - rcu_read_lock(); offloads = NAPI_GRO_CB(skb)->is_ipv6 ? inet6_offloads : inet_offloads; ops = rcu_dereference(offloads[proto]); if (!ops || !ops->callbacks.gro_receive) - goto out_unlock; + goto out; pp = call_gro_receive(ops->callbacks.gro_receive, head, skb); -out_unlock: - rcu_read_unlock(); - +out: return pp; } @@ -438,17 +435,14 @@ static struct sk_buff *gue_gro_receive(struct sock *sk, /* Flag this frame as already having an outer encap header */ NAPI_GRO_CB(skb)->is_fou = 1; - rcu_read_lock(); offloads = NAPI_GRO_CB(skb)->is_ipv6 ? inet6_offloads : inet_offloads; ops = rcu_dereference(offloads[proto]); if (WARN_ON_ONCE(!ops || !ops->callbacks.gro_receive)) - goto out_unlock; + goto out; pp = call_gro_receive(ops->callbacks.gro_receive, head, skb); flush = 0; -out_unlock: - rcu_read_unlock(); out: skb_gro_flush_final_remcsum(skb, pp, flush, &grc); diff --git a/net/ipv4/gre_offload.c b/net/ipv4/gre_offload.c index e0a246575887..e9dabf1affe9 100644 --- a/net/ipv4/gre_offload.c +++ b/net/ipv4/gre_offload.c @@ -158,10 +158,9 @@ static struct sk_buff *gre_gro_receive(struct list_head *head, type = greh->protocol; - rcu_read_lock(); ptype = gro_find_receive_by_type(type); if (!ptype) - goto out_unlock; + goto out; grehlen = GRE_HEADER_SECTION; @@ -175,13 +174,13 @@ static struct sk_buff *gre_gro_receive(struct list_head *head, if (skb_gro_header_hard(skb, hlen)) { greh = skb_gro_header_slow(skb, hlen, off); if (unlikely(!greh)) - goto out_unlock; + goto out; } /* Don't bother verifying checksum if we're going to flush anyway. */ if ((greh->flags & GRE_CSUM) && !NAPI_GRO_CB(skb)->flush) { if (skb_gro_checksum_simple_validate(skb)) - goto out_unlock; + goto out; skb_gro_checksum_try_convert(skb, IPPROTO_GRE, null_compute_pseudo); @@ -225,8 +224,6 @@ static struct sk_buff *gre_gro_receive(struct list_head *head, pp = call_gro_receive(ptype->callbacks.gro_receive, head, skb); flush = 0; -out_unlock: - rcu_read_unlock(); out: skb_gro_flush_final(skb, pp, flush); diff --git a/net/ipv4/udp_offload.c b/net/ipv4/udp_offload.c index 57168d4fa195..418da7a8a075 100644 --- a/net/ipv4/udp_offload.c +++ b/net/ipv4/udp_offload.c @@ -606,13 +606,11 @@ struct sk_buff *udp4_gro_receive(struct list_head *head, struct sk_buff *skb) inet_gro_compute_pseudo); skip: NAPI_GRO_CB(skb)->is_ipv6 = 0; - rcu_read_lock(); if (static_branch_unlikely(&udp_encap_needed_key)) sk = udp4_gro_lookup_skb(skb, uh->source, uh->dest); pp = udp_gro_receive(head, skb, uh, sk); - rcu_read_unlock(); return pp; flush: diff --git a/net/ipv6/ip6_offload.c b/net/ipv6/ip6_offload.c index 15c8eef1ef44..f67921e0dd56 100644 --- a/net/ipv6/ip6_offload.c +++ b/net/ipv6/ip6_offload.c @@ -209,7 +209,6 @@ INDIRECT_CALLABLE_SCOPE struct sk_buff *ipv6_gro_receive(struct list_head *head, flush += ntohs(iph->payload_len) != skb_gro_len(skb); - rcu_read_lock(); proto = iph->nexthdr; ops = rcu_dereference(inet6_offloads[proto]); if (!ops || !ops->callbacks.gro_receive) { @@ -222,7 +221,7 @@ INDIRECT_CALLABLE_SCOPE struct sk_buff *ipv6_gro_receive(struct list_head *head, ops = rcu_dereference(inet6_offloads[proto]); if (!ops || !ops->callbacks.gro_receive) - goto out_unlock; + goto out; iph = ipv6_hdr(skb); } @@ -280,9 +279,6 @@ INDIRECT_CALLABLE_SCOPE struct sk_buff *ipv6_gro_receive(struct list_head *head, pp = indirect_call_gro_receive_l4(tcp6_gro_receive, udp6_gro_receive, ops->callbacks.gro_receive, head, skb); -out_unlock: - rcu_read_unlock(); - out: skb_gro_flush_final(skb, pp, flush); diff --git a/net/ipv6/udp_offload.c b/net/ipv6/udp_offload.c index 7752e1e921f8..1107782c083d 100644 --- a/net/ipv6/udp_offload.c +++ b/net/ipv6/udp_offload.c @@ -144,13 +144,11 @@ struct sk_buff *udp6_gro_receive(struct list_head *head, struct sk_buff *skb) skip: NAPI_GRO_CB(skb)->is_ipv6 = 1; - rcu_read_lock(); if (static_branch_unlikely(&udpv6_encap_needed_key)) sk = udp6_gro_lookup_skb(skb, uh->source, uh->dest); pp = udp_gro_receive(head, skb, uh, sk); - rcu_read_unlock(); return pp; flush: From 0ea3f2798d15d9fff64fd1fccc29c3e5a7501ddb Mon Sep 17 00:00:00 2001 From: Eric Dumazet Date: Tue, 23 Nov 2021 14:56:08 -0800 Subject: [PATCH 624/702] gro: remove rcu_read_lock/rcu_read_unlock from gro_complete handlers [ Upstream commit 627b94f75b82d13d1530b59155a545fd99d807db ] All gro_complete() handlers are called from napi_gro_complete() while rcu_read_lock() has been called. There is no point stacking more rcu_read_lock() Signed-off-by: Eric Dumazet Signed-off-by: Jakub Kicinski Stable-dep-of: 7e4196935069 ("fou: Fix null-ptr-deref in GRO.") Signed-off-by: Sasha Levin --- drivers/net/geneve.c | 3 --- net/8021q/vlan_core.c | 2 -- net/ethernet/eth.c | 2 -- net/ipv4/af_inet.c | 7 ++----- net/ipv4/fou.c | 13 ++++--------- net/ipv4/gre_offload.c | 3 --- net/ipv4/udp_offload.c | 2 -- net/ipv6/ip6_offload.c | 8 ++------ 8 files changed, 8 insertions(+), 32 deletions(-) diff --git a/drivers/net/geneve.c b/drivers/net/geneve.c index 17989688f54b..08b479f04ed0 100644 --- a/drivers/net/geneve.c +++ b/drivers/net/geneve.c @@ -556,13 +556,10 @@ static int geneve_gro_complete(struct sock *sk, struct sk_buff *skb, gh_len = geneve_hlen(gh); type = gh->proto_type; - rcu_read_lock(); ptype = gro_find_complete_by_type(type); if (ptype) err = ptype->callbacks.gro_complete(skb, nhoff + gh_len); - rcu_read_unlock(); - skb_set_inner_mac_header(skb, nhoff + gh_len); return err; diff --git a/net/8021q/vlan_core.c b/net/8021q/vlan_core.c index ff0d3fc82c0f..c96ff4a1d4a0 100644 --- a/net/8021q/vlan_core.c +++ b/net/8021q/vlan_core.c @@ -516,12 +516,10 @@ static int vlan_gro_complete(struct sk_buff *skb, int nhoff) struct packet_offload *ptype; int err = -ENOENT; - rcu_read_lock(); ptype = gro_find_complete_by_type(type); if (ptype) err = ptype->callbacks.gro_complete(skb, nhoff + sizeof(*vhdr)); - rcu_read_unlock(); return err; } diff --git a/net/ethernet/eth.c b/net/ethernet/eth.c index 2b0eb24199d6..081390c32707 100644 --- a/net/ethernet/eth.c +++ b/net/ethernet/eth.c @@ -457,13 +457,11 @@ int eth_gro_complete(struct sk_buff *skb, int nhoff) if (skb->encapsulation) skb_set_inner_mac_header(skb, nhoff); - rcu_read_lock(); ptype = gro_find_complete_by_type(type); if (ptype != NULL) err = ptype->callbacks.gro_complete(skb, nhoff + sizeof(struct ethhdr)); - rcu_read_unlock(); return err; } EXPORT_SYMBOL(eth_gro_complete); diff --git a/net/ipv4/af_inet.c b/net/ipv4/af_inet.c index cac63bb20c16..58dfca09093c 100644 --- a/net/ipv4/af_inet.c +++ b/net/ipv4/af_inet.c @@ -1634,10 +1634,9 @@ int inet_gro_complete(struct sk_buff *skb, int nhoff) csum_replace2(&iph->check, iph->tot_len, newlen); iph->tot_len = newlen; - rcu_read_lock(); ops = rcu_dereference(inet_offloads[proto]); if (WARN_ON(!ops || !ops->callbacks.gro_complete)) - goto out_unlock; + goto out; /* Only need to add sizeof(*iph) to get to the next hdr below * because any hdr with option will have been flushed in @@ -1647,9 +1646,7 @@ int inet_gro_complete(struct sk_buff *skb, int nhoff) tcp4_gro_complete, udp4_gro_complete, skb, nhoff + sizeof(*iph)); -out_unlock: - rcu_read_unlock(); - +out: return err; } EXPORT_SYMBOL(inet_gro_complete); diff --git a/net/ipv4/fou.c b/net/ipv4/fou.c index 5aacc75e495c..605d9673d6ec 100644 --- a/net/ipv4/fou.c +++ b/net/ipv4/fou.c @@ -265,19 +265,16 @@ static int fou_gro_complete(struct sock *sk, struct sk_buff *skb, const struct net_offload *ops; int err = -ENOSYS; - rcu_read_lock(); offloads = NAPI_GRO_CB(skb)->is_ipv6 ? inet6_offloads : inet_offloads; ops = rcu_dereference(offloads[proto]); if (WARN_ON(!ops || !ops->callbacks.gro_complete)) - goto out_unlock; + goto out; err = ops->callbacks.gro_complete(skb, nhoff); skb_set_inner_mac_header(skb, nhoff); -out_unlock: - rcu_read_unlock(); - +out: return err; } @@ -479,18 +476,16 @@ static int gue_gro_complete(struct sock *sk, struct sk_buff *skb, int nhoff) return err; } - rcu_read_lock(); offloads = NAPI_GRO_CB(skb)->is_ipv6 ? inet6_offloads : inet_offloads; ops = rcu_dereference(offloads[proto]); if (WARN_ON(!ops || !ops->callbacks.gro_complete)) - goto out_unlock; + goto out; err = ops->callbacks.gro_complete(skb, nhoff + guehlen); skb_set_inner_mac_header(skb, nhoff + guehlen); -out_unlock: - rcu_read_unlock(); +out: return err; } diff --git a/net/ipv4/gre_offload.c b/net/ipv4/gre_offload.c index e9dabf1affe9..b4da692b9734 100644 --- a/net/ipv4/gre_offload.c +++ b/net/ipv4/gre_offload.c @@ -248,13 +248,10 @@ static int gre_gro_complete(struct sk_buff *skb, int nhoff) if (greh->flags & GRE_CSUM) grehlen += GRE_HEADER_SECTION; - rcu_read_lock(); ptype = gro_find_complete_by_type(type); if (ptype) err = ptype->callbacks.gro_complete(skb, nhoff + grehlen); - rcu_read_unlock(); - skb_set_inner_mac_header(skb, nhoff + grehlen); return err; diff --git a/net/ipv4/udp_offload.c b/net/ipv4/udp_offload.c index 418da7a8a075..6e36eb1ba276 100644 --- a/net/ipv4/udp_offload.c +++ b/net/ipv4/udp_offload.c @@ -645,7 +645,6 @@ int udp_gro_complete(struct sk_buff *skb, int nhoff, uh->len = newlen; - rcu_read_lock(); sk = INDIRECT_CALL_INET(lookup, udp6_lib_lookup_skb, udp4_lib_lookup_skb, skb, uh->source, uh->dest); if (sk && udp_sk(sk)->gro_complete) { @@ -661,7 +660,6 @@ int udp_gro_complete(struct sk_buff *skb, int nhoff, } else { err = udp_gro_complete_segment(skb); } - rcu_read_unlock(); if (skb->remcsum_offload) skb_shinfo(skb)->gso_type |= SKB_GSO_TUNNEL_REMCSUM; diff --git a/net/ipv6/ip6_offload.c b/net/ipv6/ip6_offload.c index f67921e0dd56..673f02ea62aa 100644 --- a/net/ipv6/ip6_offload.c +++ b/net/ipv6/ip6_offload.c @@ -328,18 +328,14 @@ INDIRECT_CALLABLE_SCOPE int ipv6_gro_complete(struct sk_buff *skb, int nhoff) iph->payload_len = htons(skb->len - nhoff - sizeof(*iph)); - rcu_read_lock(); - nhoff += sizeof(*iph) + ipv6_exthdrs_len(iph, &ops); if (WARN_ON(!ops || !ops->callbacks.gro_complete)) - goto out_unlock; + goto out; err = INDIRECT_CALL_L4(ops->callbacks.gro_complete, tcp6_gro_complete, udp6_gro_complete, skb, nhoff); -out_unlock: - rcu_read_unlock(); - +out: return err; } From 231c235d2f7a66f018f172e26ffd47c363f244ef Mon Sep 17 00:00:00 2001 From: Kuniyuki Iwashima Date: Mon, 2 Sep 2024 10:39:27 -0700 Subject: [PATCH 625/702] fou: Fix null-ptr-deref in GRO. [ Upstream commit 7e4196935069947d8b70b09c1660b67b067e75cb ] We observed a null-ptr-deref in fou_gro_receive() while shutting down a host. [0] The NULL pointer is sk->sk_user_data, and the offset 8 is of protocol in struct fou. When fou_release() is called due to netns dismantle or explicit tunnel teardown, udp_tunnel_sock_release() sets NULL to sk->sk_user_data. Then, the tunnel socket is destroyed after a single RCU grace period. So, in-flight udp4_gro_receive() could find the socket and execute the FOU GRO handler, where sk->sk_user_data could be NULL. Let's use rcu_dereference_sk_user_data() in fou_from_sock() and add NULL checks in FOU GRO handlers. [0]: BUG: kernel NULL pointer dereference, address: 0000000000000008 PF: supervisor read access in kernel mode PF: error_code(0x0000) - not-present page PGD 80000001032f4067 P4D 80000001032f4067 PUD 103240067 PMD 0 SMP PTI CPU: 0 PID: 0 Comm: swapper/0 Not tainted 5.10.216-204.855.amzn2.x86_64 #1 Hardware name: Amazon EC2 c5.large/, BIOS 1.0 10/16/2017 RIP: 0010:fou_gro_receive (net/ipv4/fou.c:233) [fou] Code: 41 5f c3 cc cc cc cc e8 e7 2e 69 f4 0f 1f 80 00 00 00 00 0f 1f 44 00 00 49 89 f8 41 54 48 89 f7 48 89 d6 49 8b 80 88 02 00 00 <0f> b6 48 08 0f b7 42 4a 66 25 fd fd 80 cc 02 66 89 42 4a 0f b6 42 RSP: 0018:ffffa330c0003d08 EFLAGS: 00010297 RAX: 0000000000000000 RBX: ffff93d9e3a6b900 RCX: 0000000000000010 RDX: ffff93d9e3a6b900 RSI: ffff93d9e3a6b900 RDI: ffff93dac2e24d08 RBP: ffff93d9e3a6b900 R08: ffff93dacbce6400 R09: 0000000000000002 R10: 0000000000000000 R11: ffffffffb5f369b0 R12: ffff93dacbce6400 R13: ffff93dac2e24d08 R14: 0000000000000000 R15: ffffffffb4edd1c0 FS: 0000000000000000(0000) GS:ffff93daee800000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000000000008 CR3: 0000000102140001 CR4: 00000000007706f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 PKRU: 55555554 Call Trace: ? show_trace_log_lvl (arch/x86/kernel/dumpstack.c:259) ? __die_body.cold (arch/x86/kernel/dumpstack.c:478 arch/x86/kernel/dumpstack.c:420) ? no_context (arch/x86/mm/fault.c:752) ? exc_page_fault (arch/x86/include/asm/irqflags.h:49 arch/x86/include/asm/irqflags.h:89 arch/x86/mm/fault.c:1435 arch/x86/mm/fault.c:1483) ? asm_exc_page_fault (arch/x86/include/asm/idtentry.h:571) ? fou_gro_receive (net/ipv4/fou.c:233) [fou] udp_gro_receive (include/linux/netdevice.h:2552 net/ipv4/udp_offload.c:559) udp4_gro_receive (net/ipv4/udp_offload.c:604) inet_gro_receive (net/ipv4/af_inet.c:1549 (discriminator 7)) dev_gro_receive (net/core/dev.c:6035 (discriminator 4)) napi_gro_receive (net/core/dev.c:6170) ena_clean_rx_irq (drivers/amazon/net/ena/ena_netdev.c:1558) [ena] ena_io_poll (drivers/amazon/net/ena/ena_netdev.c:1742) [ena] napi_poll (net/core/dev.c:6847) net_rx_action (net/core/dev.c:6917) __do_softirq (arch/x86/include/asm/jump_label.h:25 include/linux/jump_label.h:200 include/trace/events/irq.h:142 kernel/softirq.c:299) asm_call_irq_on_stack (arch/x86/entry/entry_64.S:809) do_softirq_own_stack (arch/x86/include/asm/irq_stack.h:27 arch/x86/include/asm/irq_stack.h:77 arch/x86/kernel/irq_64.c:77) irq_exit_rcu (kernel/softirq.c:393 kernel/softirq.c:423 kernel/softirq.c:435) common_interrupt (arch/x86/kernel/irq.c:239) asm_common_interrupt (arch/x86/include/asm/idtentry.h:626) RIP: 0010:acpi_idle_do_entry (arch/x86/include/asm/irqflags.h:49 arch/x86/include/asm/irqflags.h:89 drivers/acpi/processor_idle.c:114 drivers/acpi/processor_idle.c:575) Code: 8b 15 d1 3c c4 02 ed c3 cc cc cc cc 65 48 8b 04 25 40 ef 01 00 48 8b 00 a8 08 75 eb 0f 1f 44 00 00 0f 00 2d d5 09 55 00 fb f4 c3 cc cc cc cc e9 be fc ff ff 66 66 2e 0f 1f 84 00 00 00 00 00 RSP: 0018:ffffffffb5603e58 EFLAGS: 00000246 RAX: 0000000000004000 RBX: ffff93dac0929c00 RCX: ffff93daee833900 RDX: ffff93daee800000 RSI: ffff93daee87dc00 RDI: ffff93daee87dc64 RBP: 0000000000000001 R08: ffffffffb5e7b6c0 R09: 0000000000000044 R10: ffff93daee831b04 R11: 00000000000001cd R12: 0000000000000001 R13: ffffffffb5e7b740 R14: 0000000000000001 R15: 0000000000000000 ? sched_clock_cpu (kernel/sched/clock.c:371) acpi_idle_enter (drivers/acpi/processor_idle.c:712 (discriminator 3)) cpuidle_enter_state (drivers/cpuidle/cpuidle.c:237) cpuidle_enter (drivers/cpuidle/cpuidle.c:353) cpuidle_idle_call (kernel/sched/idle.c:158 kernel/sched/idle.c:239) do_idle (kernel/sched/idle.c:302) cpu_startup_entry (kernel/sched/idle.c:395 (discriminator 1)) start_kernel (init/main.c:1048) secondary_startup_64_no_verify (arch/x86/kernel/head_64.S:310) Modules linked in: udp_diag tcp_diag inet_diag nft_nat ipip tunnel4 dummy fou ip_tunnel nft_masq nft_chain_nat nf_nat wireguard nft_ct curve25519_x86_64 libcurve25519_generic nf_conntrack libchacha20poly1305 nf_defrag_ipv6 nf_defrag_ipv4 nft_objref chacha_x86_64 nft_counter nf_tables nfnetlink poly1305_x86_64 ip6_udp_tunnel udp_tunnel libchacha crc32_pclmul ghash_clmulni_intel aesni_intel crypto_simd cryptd glue_helper mousedev psmouse button ena ptp pps_core crc32c_intel CR2: 0000000000000008 Fixes: d92283e338f6 ("fou: change to use UDP socket GRO") Reported-by: Alphonse Kurian Signed-off-by: Kuniyuki Iwashima Link: https://patch.msgid.link/20240902173927.62706-1-kuniyu@amazon.com Signed-off-by: Jakub Kicinski Signed-off-by: Sasha Levin --- net/ipv4/fou.c | 29 ++++++++++++++++++++++++----- 1 file changed, 24 insertions(+), 5 deletions(-) diff --git a/net/ipv4/fou.c b/net/ipv4/fou.c index 605d9673d6ec..135da756dd5a 100644 --- a/net/ipv4/fou.c +++ b/net/ipv4/fou.c @@ -48,7 +48,7 @@ struct fou_net { static inline struct fou *fou_from_sock(struct sock *sk) { - return sk->sk_user_data; + return rcu_dereference_sk_user_data(sk); } static int fou_recv_pull(struct sk_buff *skb, struct fou *fou, size_t len) @@ -231,9 +231,15 @@ static struct sk_buff *fou_gro_receive(struct sock *sk, struct sk_buff *skb) { const struct net_offload __rcu **offloads; - u8 proto = fou_from_sock(sk)->protocol; + struct fou *fou = fou_from_sock(sk); const struct net_offload *ops; struct sk_buff *pp = NULL; + u8 proto; + + if (!fou) + goto out; + + proto = fou->protocol; /* We can clear the encap_mark for FOU as we are essentially doing * one of two possible things. We are either adding an L4 tunnel @@ -261,14 +267,24 @@ static int fou_gro_complete(struct sock *sk, struct sk_buff *skb, int nhoff) { const struct net_offload __rcu **offloads; - u8 proto = fou_from_sock(sk)->protocol; + struct fou *fou = fou_from_sock(sk); const struct net_offload *ops; - int err = -ENOSYS; + u8 proto; + int err; + + if (!fou) { + err = -ENOENT; + goto out; + } + + proto = fou->protocol; offloads = NAPI_GRO_CB(skb)->is_ipv6 ? inet6_offloads : inet_offloads; ops = rcu_dereference(offloads[proto]); - if (WARN_ON(!ops || !ops->callbacks.gro_complete)) + if (WARN_ON(!ops || !ops->callbacks.gro_complete)) { + err = -ENOSYS; goto out; + } err = ops->callbacks.gro_complete(skb, nhoff); @@ -318,6 +334,9 @@ static struct sk_buff *gue_gro_receive(struct sock *sk, struct gro_remcsum grc; u8 proto; + if (!fou) + goto out; + skb_gro_remcsum_init(&grc); off = skb_gro_offset(skb); From 19af8a23a1d51394f8b49f065185751ef55038df Mon Sep 17 00:00:00 2001 From: Jonas Gorski Date: Tue, 3 Sep 2024 10:19:57 +0200 Subject: [PATCH 626/702] net: bridge: br_fdb_external_learn_add(): always set EXT_LEARN [ Upstream commit bee2ef946d3184e99077be526567d791c473036f ] When userspace wants to take over a fdb entry by setting it as EXTERN_LEARNED, we set both flags BR_FDB_ADDED_BY_EXT_LEARN and BR_FDB_ADDED_BY_USER in br_fdb_external_learn_add(). If the bridge updates the entry later because its port changed, we clear the BR_FDB_ADDED_BY_EXT_LEARN flag, but leave the BR_FDB_ADDED_BY_USER flag set. If userspace then wants to take over the entry again, br_fdb_external_learn_add() sees that BR_FDB_ADDED_BY_USER and skips setting the BR_FDB_ADDED_BY_EXT_LEARN flags, thus silently ignores the update. Fix this by always allowing to set BR_FDB_ADDED_BY_EXT_LEARN regardless if this was a user fdb entry or not. Fixes: 710ae7287737 ("net: bridge: Mark FDB entries that were added by user as such") Signed-off-by: Jonas Gorski Acked-by: Nikolay Aleksandrov Reviewed-by: Ido Schimmel Link: https://patch.msgid.link/20240903081958.29951-1-jonas.gorski@bisdn.de Signed-off-by: Jakub Kicinski Signed-off-by: Sasha Levin --- net/bridge/br_fdb.c | 6 ++---- 1 file changed, 2 insertions(+), 4 deletions(-) diff --git a/net/bridge/br_fdb.c b/net/bridge/br_fdb.c index 8a6470a21702..8751571a3cb0 100644 --- a/net/bridge/br_fdb.c +++ b/net/bridge/br_fdb.c @@ -1238,12 +1238,10 @@ int br_fdb_external_learn_add(struct net_bridge *br, struct net_bridge_port *p, modified = true; } - if (test_bit(BR_FDB_ADDED_BY_EXT_LEARN, &fdb->flags)) { + if (test_and_set_bit(BR_FDB_ADDED_BY_EXT_LEARN, &fdb->flags)) { /* Refresh entry */ fdb->used = jiffies; - } else if (!test_bit(BR_FDB_ADDED_BY_USER, &fdb->flags)) { - /* Take over SW learned entry */ - set_bit(BR_FDB_ADDED_BY_EXT_LEARN, &fdb->flags); + } else { modified = true; } From 43b442c97243041d89dc16d09b394114ca7cfe38 Mon Sep 17 00:00:00 2001 From: Pawel Dembicki Date: Tue, 3 Sep 2024 22:33:41 +0200 Subject: [PATCH 627/702] net: dsa: vsc73xx: fix possible subblocks range of CAPT block [ Upstream commit 8e69c96df771ab469cec278edb47009351de4da6 ] CAPT block (CPU Capture Buffer) have 7 sublocks: 0-3, 4, 6, 7. Function 'vsc73xx_is_addr_valid' allows to use only block 0 at this moment. This patch fix it. Fixes: 05bd97fc559d ("net: dsa: Add Vitesse VSC73xx DSA router driver") Signed-off-by: Pawel Dembicki Reviewed-by: Florian Fainelli Link: https://patch.msgid.link/20240903203340.1518789-1-paweldembicki@gmail.com Signed-off-by: Paolo Abeni Signed-off-by: Sasha Levin --- drivers/net/dsa/vitesse-vsc73xx-core.c | 10 ++++++++-- 1 file changed, 8 insertions(+), 2 deletions(-) diff --git a/drivers/net/dsa/vitesse-vsc73xx-core.c b/drivers/net/dsa/vitesse-vsc73xx-core.c index 8a21902212e0..7c2780ccf9d6 100644 --- a/drivers/net/dsa/vitesse-vsc73xx-core.c +++ b/drivers/net/dsa/vitesse-vsc73xx-core.c @@ -35,7 +35,7 @@ #define VSC73XX_BLOCK_ANALYZER 0x2 /* Only subblock 0 */ #define VSC73XX_BLOCK_MII 0x3 /* Subblocks 0 and 1 */ #define VSC73XX_BLOCK_MEMINIT 0x3 /* Only subblock 2 */ -#define VSC73XX_BLOCK_CAPTURE 0x4 /* Only subblock 2 */ +#define VSC73XX_BLOCK_CAPTURE 0x4 /* Subblocks 0-4, 6, 7 */ #define VSC73XX_BLOCK_ARBITER 0x5 /* Only subblock 0 */ #define VSC73XX_BLOCK_SYSTEM 0x7 /* Only subblock 0 */ @@ -371,13 +371,19 @@ int vsc73xx_is_addr_valid(u8 block, u8 subblock) break; case VSC73XX_BLOCK_MII: - case VSC73XX_BLOCK_CAPTURE: case VSC73XX_BLOCK_ARBITER: switch (subblock) { case 0 ... 1: return 1; } break; + case VSC73XX_BLOCK_CAPTURE: + switch (subblock) { + case 0 ... 4: + case 6 ... 7: + return 1; + } + break; } return 0; From 583b5d2d43806bf2227f3d489a9dac46e62b51e2 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Amadeusz=20S=C5=82awi=C5=84ski?= Date: Thu, 27 Jun 2024 12:18:40 +0200 Subject: [PATCH 628/702] ASoC: topology: Properly initialize soc_enum values MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit [ Upstream commit 8ec2a2643544ce352f012ad3d248163199d05dfc ] soc_tplg_denum_create_values() should properly set its values field. Signed-off-by: Amadeusz Sławiński Link: https://patch.msgid.link/20240627101850.2191513-4-amadeuszx.slawinski@linux.intel.com Signed-off-by: Mark Brown Signed-off-by: Sasha Levin --- sound/soc/soc-topology.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/sound/soc/soc-topology.c b/sound/soc/soc-topology.c index 23a5f9a52da0..aa57f796e9dd 100644 --- a/sound/soc/soc-topology.c +++ b/sound/soc/soc-topology.c @@ -998,6 +998,8 @@ static int soc_tplg_denum_create_values(struct soc_enum *se, se->dobj.control.dvalues[i] = le32_to_cpu(ec->values[i]); } + se->items = le32_to_cpu(ec->items); + se->values = (const unsigned int *)se->dobj.control.dvalues; return 0; } From 8a7ef20bf7389002e1ce4eab280116c80de798d0 Mon Sep 17 00:00:00 2001 From: Benjamin Marzinski Date: Tue, 2 Jul 2024 12:13:24 +0200 Subject: [PATCH 629/702] dm init: Handle minors larger than 255 [ Upstream commit 140ce37fd78a629105377e17842465258a5459ef ] dm_parse_device_entry() simply copies the minor number into dmi.dev, but the dev_t format splits the minor number between the lowest 8 bytes and highest 12 bytes. If the minor number is larger than 255, part of it will end up getting treated as the major number Fix this by checking that the minor number is valid and then encoding it as a dev_t. Signed-off-by: Benjamin Marzinski Signed-off-by: Mikulas Patocka Signed-off-by: Sasha Levin --- drivers/md/dm-init.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/drivers/md/dm-init.c b/drivers/md/dm-init.c index b0c45c6ebe0b..f76477044ec1 100644 --- a/drivers/md/dm-init.c +++ b/drivers/md/dm-init.c @@ -207,8 +207,10 @@ static char __init *dm_parse_device_entry(struct dm_device *dev, char *str) strscpy(dev->dmi.uuid, field[1], sizeof(dev->dmi.uuid)); /* minor */ if (strlen(field[2])) { - if (kstrtoull(field[2], 0, &dev->dmi.dev)) + if (kstrtoull(field[2], 0, &dev->dmi.dev) || + dev->dmi.dev >= (1 << MINORBITS)) return ERR_PTR(-EINVAL); + dev->dmi.dev = huge_encode_dev((dev_t)dev->dmi.dev); dev->dmi.flags |= DM_PERSISTENT_DEV_FLAG; } /* flags */ From 70854bf003265e35f8db87a1bd059f130ca37a46 Mon Sep 17 00:00:00 2001 From: Jacob Pan Date: Tue, 2 Jul 2024 21:08:33 +0800 Subject: [PATCH 630/702] iommu/vt-d: Handle volatile descriptor status read [ Upstream commit b5e86a95541cea737394a1da967df4cd4d8f7182 ] Queued invalidation wait descriptor status is volatile in that IOMMU hardware writes the data upon completion. Use READ_ONCE() to prevent compiler optimizations which ensures memory reads every time. As a side effect, READ_ONCE() also enforces strict types and may add an extra instruction. But it should not have negative performance impact since we use cpu_relax anyway and the extra time(by adding an instruction) may allow IOMMU HW request cacheline ownership easier. e.g. gcc 12.3 BEFORE: 81 38 ad de 00 00 cmpl $0x2,(%rax) AFTER (with READ_ONCE()) 772f: 8b 00 mov (%rax),%eax 7731: 3d ad de 00 00 cmp $0x2,%eax //status data is 32 bit Signed-off-by: Jacob Pan Reviewed-by: Kevin Tian Reviewed-by: Yi Liu Link: https://lore.kernel.org/r/20240607173817.3914600-1-jacob.jun.pan@linux.intel.com Signed-off-by: Lu Baolu Link: https://lore.kernel.org/r/20240702130839.108139-2-baolu.lu@linux.intel.com Signed-off-by: Will Deacon Signed-off-by: Sasha Levin --- drivers/iommu/intel/dmar.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/iommu/intel/dmar.c b/drivers/iommu/intel/dmar.c index a27765a7f6b7..72b380e17a1b 100644 --- a/drivers/iommu/intel/dmar.c +++ b/drivers/iommu/intel/dmar.c @@ -1333,7 +1333,7 @@ int qi_submit_sync(struct intel_iommu *iommu, struct qi_desc *desc, */ writel(qi->free_head << shift, iommu->reg + DMAR_IQT_REG); - while (qi->desc_status[wait_index] != QI_DONE) { + while (READ_ONCE(qi->desc_status[wait_index]) != QI_DONE) { /* * We will leave the interrupts disabled, to prevent interrupt * context to queue another cmd while a cmd is already submitted From 1434b72a2d1210d9f781700004ce98f5443c1ac8 Mon Sep 17 00:00:00 2001 From: Waiman Long Date: Wed, 3 Jul 2024 14:52:29 -0400 Subject: [PATCH 631/702] cgroup: Protect css->cgroup write under css_set_lock [ Upstream commit 57b56d16800e8961278ecff0dc755d46c4575092 ] The writing of css->cgroup associated with the cgroup root in rebind_subsystems() is currently protected only by cgroup_mutex. However, the reading of css->cgroup in both proc_cpuset_show() and proc_cgroup_show() is protected just by css_set_lock. That makes the readers susceptible to racing problems like data tearing or caching. It is also a problem that can be reported by KCSAN. This can be fixed by using READ_ONCE() and WRITE_ONCE() to access css->cgroup. Alternatively, the writing of css->cgroup can be moved under css_set_lock as well which is done by this patch. Signed-off-by: Waiman Long Signed-off-by: Tejun Heo Signed-off-by: Sasha Levin --- kernel/cgroup/cgroup.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/kernel/cgroup/cgroup.c b/kernel/cgroup/cgroup.c index 030eaed1f06b..643d8e178f7b 100644 --- a/kernel/cgroup/cgroup.c +++ b/kernel/cgroup/cgroup.c @@ -1773,9 +1773,9 @@ int rebind_subsystems(struct cgroup_root *dst_root, u16 ss_mask) RCU_INIT_POINTER(scgrp->subsys[ssid], NULL); rcu_assign_pointer(dcgrp->subsys[ssid], css); ss->root = dst_root; - css->cgroup = dcgrp; spin_lock_irq(&css_set_lock); + css->cgroup = dcgrp; WARN_ON(!list_empty(&dcgrp->e_csets[ss->id])); list_for_each_entry_safe(cset, cset_pos, &scgrp->e_csets[ss->id], e_cset_node[ss->id]) { From c8944d449fda9f58c03bd99649b2df09948fc874 Mon Sep 17 00:00:00 2001 From: Johannes Berg Date: Wed, 3 Jul 2024 17:22:36 +0200 Subject: [PATCH 632/702] um: line: always fill *error_out in setup_one_line() [ Upstream commit 824ac4a5edd3f7494ab1996826c4f47f8ef0f63d ] The pointer isn't initialized by callers, but I have encountered cases where it's still printed; initialize it in all possible cases in setup_one_line(). Link: https://patch.msgid.link/20240703172235.ad863568b55f.Iaa1eba4db8265d7715ba71d5f6bb8c7ff63d27e9@changeid Acked-By: Anton Ivanov Signed-off-by: Johannes Berg Signed-off-by: Sasha Levin --- arch/um/drivers/line.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/arch/um/drivers/line.c b/arch/um/drivers/line.c index 37e96ba0f5fb..d2beb4a497a2 100644 --- a/arch/um/drivers/line.c +++ b/arch/um/drivers/line.c @@ -378,6 +378,7 @@ int setup_one_line(struct line *lines, int n, char *init, parse_chan_pair(NULL, line, n, opts, error_out); err = 0; } + *error_out = "configured as 'none'"; } else { char *new = kstrdup(init, GFP_KERNEL); if (!new) { @@ -401,6 +402,7 @@ int setup_one_line(struct line *lines, int n, char *init, } } if (err) { + *error_out = "failed to parse channel pair"; line->init_str = NULL; line->valid = 0; kfree(new); From 9b884bdc29e972fa6c8891d79160f8b1e4d0f2e0 Mon Sep 17 00:00:00 2001 From: Zijun Hu Date: Tue, 2 Jul 2024 22:51:52 +0800 Subject: [PATCH 633/702] devres: Initialize an uninitialized struct member [ Upstream commit 56a20ad349b5c51909cf8810f7c79b288864ad33 ] Initialize an uninitialized struct member for driver API devres_open_group(). Signed-off-by: Zijun Hu Link: https://lore.kernel.org/r/1719931914-19035-4-git-send-email-quic_zijuhu@quicinc.com Signed-off-by: Greg Kroah-Hartman Signed-off-by: Sasha Levin --- drivers/base/devres.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/base/devres.c b/drivers/base/devres.c index 8a74008c13c4..e3a735d0213a 100644 --- a/drivers/base/devres.c +++ b/drivers/base/devres.c @@ -577,6 +577,7 @@ void * devres_open_group(struct device *dev, void *id, gfp_t gfp) grp->id = grp; if (id) grp->id = id; + grp->color = 0; spin_lock_irqsave(&dev->devres_lock, flags); add_dr(dev, &grp->node[0]); From bc1faed19db95abf0933b104910a3fb01b138f59 Mon Sep 17 00:00:00 2001 From: Krishna Kumar Date: Mon, 1 Jul 2024 13:15:06 +0530 Subject: [PATCH 634/702] pci/hotplug/pnv_php: Fix hotplug driver crash on Powernv [ Upstream commit 335e35b748527f0c06ded9eebb65387f60647fda ] The hotplug driver for powerpc (pci/hotplug/pnv_php.c) causes a kernel crash when we try to hot-unplug/disable the PCIe switch/bridge from the PHB. The crash occurs because although the MSI data structure has been released during disable/hot-unplug path and it has been assigned with NULL, still during unregistration the code was again trying to explicitly disable the MSI which causes the NULL pointer dereference and kernel crash. The patch fixes the check during unregistration path to prevent invoking pci_disable_msi/msix() since its data structure is already freed. Reported-by: Timothy Pearson Closes: https://lore.kernel.org/all/1981605666.2142272.1703742465927.JavaMail.zimbra@raptorengineeringinc.com/ Acked-by: Bjorn Helgaas Tested-by: Shawn Anastasio Signed-off-by: Krishna Kumar Signed-off-by: Michael Ellerman Link: https://msgid.link/20240701074513.94873-2-krishnak@linux.ibm.com Signed-off-by: Sasha Levin --- drivers/pci/hotplug/pnv_php.c | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-) diff --git a/drivers/pci/hotplug/pnv_php.c b/drivers/pci/hotplug/pnv_php.c index 04565162a449..cf9c0e75f0be 100644 --- a/drivers/pci/hotplug/pnv_php.c +++ b/drivers/pci/hotplug/pnv_php.c @@ -38,7 +38,6 @@ static void pnv_php_disable_irq(struct pnv_php_slot *php_slot, bool disable_device) { struct pci_dev *pdev = php_slot->pdev; - int irq = php_slot->irq; u16 ctrl; if (php_slot->irq > 0) { @@ -57,7 +56,7 @@ static void pnv_php_disable_irq(struct pnv_php_slot *php_slot, php_slot->wq = NULL; } - if (disable_device || irq > 0) { + if (disable_device) { if (pdev->msix_enabled) pci_disable_msix(pdev); else if (pdev->msi_enabled) From 2a3add62f183459a057336381ef3a896da01ce38 Mon Sep 17 00:00:00 2001 From: Guenter Roeck Date: Sat, 6 Jul 2024 23:43:04 -0700 Subject: [PATCH 635/702] hwmon: (adc128d818) Fix underflows seen when writing limit attributes [ Upstream commit 8cad724c8537fe3e0da8004646abc00290adae40 ] DIV_ROUND_CLOSEST() after kstrtol() results in an underflow if a large negative number such as -9223372036854775808 is provided by the user. Fix it by reordering clamp_val() and DIV_ROUND_CLOSEST() operations. Signed-off-by: Guenter Roeck Signed-off-by: Sasha Levin --- drivers/hwmon/adc128d818.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/hwmon/adc128d818.c b/drivers/hwmon/adc128d818.c index 6c9a906631b8..e73c4de9471f 100644 --- a/drivers/hwmon/adc128d818.c +++ b/drivers/hwmon/adc128d818.c @@ -176,7 +176,7 @@ static ssize_t adc128_in_store(struct device *dev, mutex_lock(&data->update_lock); /* 10 mV LSB on limit registers */ - regval = clamp_val(DIV_ROUND_CLOSEST(val, 10), 0, 255); + regval = DIV_ROUND_CLOSEST(clamp_val(val, 0, 2550), 10); data->in[index][nr] = regval << 4; reg = index == 1 ? ADC128_REG_IN_MIN(nr) : ADC128_REG_IN_MAX(nr); i2c_smbus_write_byte_data(data->client, reg, regval); @@ -214,7 +214,7 @@ static ssize_t adc128_temp_store(struct device *dev, return err; mutex_lock(&data->update_lock); - regval = clamp_val(DIV_ROUND_CLOSEST(val, 1000), -128, 127); + regval = DIV_ROUND_CLOSEST(clamp_val(val, -128000, 127000), 1000); data->temp[index] = regval << 1; i2c_smbus_write_byte_data(data->client, index == 1 ? ADC128_REG_TEMP_MAX From 59c1fb9874a01c9abc49a0a32f192a7e7b4e2650 Mon Sep 17 00:00:00 2001 From: Guenter Roeck Date: Sat, 6 Jul 2024 23:48:42 -0700 Subject: [PATCH 636/702] hwmon: (lm95234) Fix underflows seen when writing limit attributes [ Upstream commit af64e3e1537896337405f880c1e9ac1f8c0c6198 ] DIV_ROUND_CLOSEST() after kstrtol() results in an underflow if a large negative number such as -9223372036854775808 is provided by the user. Fix it by reordering clamp_val() and DIV_ROUND_CLOSEST() operations. Signed-off-by: Guenter Roeck Signed-off-by: Sasha Levin --- drivers/hwmon/lm95234.c | 9 +++++---- 1 file changed, 5 insertions(+), 4 deletions(-) diff --git a/drivers/hwmon/lm95234.c b/drivers/hwmon/lm95234.c index ac169a994ae0..db2aecdfbd17 100644 --- a/drivers/hwmon/lm95234.c +++ b/drivers/hwmon/lm95234.c @@ -301,7 +301,8 @@ static ssize_t tcrit2_store(struct device *dev, struct device_attribute *attr, if (ret < 0) return ret; - val = clamp_val(DIV_ROUND_CLOSEST(val, 1000), 0, index ? 255 : 127); + val = DIV_ROUND_CLOSEST(clamp_val(val, 0, (index ? 255 : 127) * 1000), + 1000); mutex_lock(&data->update_lock); data->tcrit2[index] = val; @@ -350,7 +351,7 @@ static ssize_t tcrit1_store(struct device *dev, struct device_attribute *attr, if (ret < 0) return ret; - val = clamp_val(DIV_ROUND_CLOSEST(val, 1000), 0, 255); + val = DIV_ROUND_CLOSEST(clamp_val(val, 0, 255000), 1000); mutex_lock(&data->update_lock); data->tcrit1[index] = val; @@ -391,7 +392,7 @@ static ssize_t tcrit1_hyst_store(struct device *dev, if (ret < 0) return ret; - val = DIV_ROUND_CLOSEST(val, 1000); + val = DIV_ROUND_CLOSEST(clamp_val(val, -255000, 255000), 1000); val = clamp_val((int)data->tcrit1[index] - val, 0, 31); mutex_lock(&data->update_lock); @@ -431,7 +432,7 @@ static ssize_t offset_store(struct device *dev, struct device_attribute *attr, return ret; /* Accuracy is 1/2 degrees C */ - val = clamp_val(DIV_ROUND_CLOSEST(val, 500), -128, 127); + val = DIV_ROUND_CLOSEST(clamp_val(val, -64000, 63500), 500); mutex_lock(&data->update_lock); data->toffset[index] = val; From 8a1e958e26640ce015abdbb75c8896301b9bf398 Mon Sep 17 00:00:00 2001 From: Guenter Roeck Date: Sat, 6 Jul 2024 23:50:08 -0700 Subject: [PATCH 637/702] hwmon: (nct6775-core) Fix underflows seen when writing limit attributes [ Upstream commit 0403e10bf0824bf0ec2bb135d4cf1c0cc3bf4bf0 ] DIV_ROUND_CLOSEST() after kstrtol() results in an underflow if a large negative number such as -9223372036854775808 is provided by the user. Fix it by reordering clamp_val() and DIV_ROUND_CLOSEST() operations. Signed-off-by: Guenter Roeck Signed-off-by: Sasha Levin --- drivers/hwmon/nct6775.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/hwmon/nct6775.c b/drivers/hwmon/nct6775.c index 5bd15622a85f..3645a19cdaf4 100644 --- a/drivers/hwmon/nct6775.c +++ b/drivers/hwmon/nct6775.c @@ -2374,7 +2374,7 @@ store_temp_offset(struct device *dev, struct device_attribute *attr, if (err < 0) return err; - val = clamp_val(DIV_ROUND_CLOSEST(val, 1000), -128, 127); + val = DIV_ROUND_CLOSEST(clamp_val(val, -128000, 127000), 1000); mutex_lock(&data->update_lock); data->temp_offset[nr] = val; From 56cfdeb2c77291f0b5e4592731adfb6ca8fc7c24 Mon Sep 17 00:00:00 2001 From: Guenter Roeck Date: Sat, 6 Jul 2024 23:51:34 -0700 Subject: [PATCH 638/702] hwmon: (w83627ehf) Fix underflows seen when writing limit attributes [ Upstream commit 5c1de37969b7bc0abcb20b86e91e70caebbd4f89 ] DIV_ROUND_CLOSEST() after kstrtol() results in an underflow if a large negative number such as -9223372036854775808 is provided by the user. Fix it by reordering clamp_val() and DIV_ROUND_CLOSEST() operations. Signed-off-by: Guenter Roeck Signed-off-by: Sasha Levin --- drivers/hwmon/w83627ehf.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/hwmon/w83627ehf.c b/drivers/hwmon/w83627ehf.c index 3964ceab2817..acf36862851a 100644 --- a/drivers/hwmon/w83627ehf.c +++ b/drivers/hwmon/w83627ehf.c @@ -897,7 +897,7 @@ store_target_temp(struct device *dev, struct device_attribute *attr, if (err < 0) return err; - val = clamp_val(DIV_ROUND_CLOSEST(val, 1000), 0, 127); + val = DIV_ROUND_CLOSEST(clamp_val(val, 0, 127000), 1000); mutex_lock(&data->update_lock); data->target_temp[nr] = val; @@ -922,7 +922,7 @@ store_tolerance(struct device *dev, struct device_attribute *attr, return err; /* Limit the temp to 0C - 15C */ - val = clamp_val(DIV_ROUND_CLOSEST(val, 1000), 0, 15); + val = DIV_ROUND_CLOSEST(clamp_val(val, 0, 15000), 1000); mutex_lock(&data->update_lock); reg = w83627ehf_read_value(data, W83627EHF_REG_TOLERANCE[nr]); From fb2257089a3a91b3dd9202026986628338963cc8 Mon Sep 17 00:00:00 2001 From: Andreas Ziegler Date: Wed, 3 Jul 2024 10:34:36 +0200 Subject: [PATCH 639/702] libbpf: Add NULL checks to bpf_object__{prev_map,next_map} [ Upstream commit cedc12c5b57f7efa6dbebfb2b140e8675f5a2616 ] In the current state, an erroneous call to bpf_object__find_map_by_name(NULL, ...) leads to a segmentation fault through the following call chain: bpf_object__find_map_by_name(obj = NULL, ...) -> bpf_object__for_each_map(pos, obj = NULL) -> bpf_object__next_map((obj = NULL), NULL) -> return (obj = NULL)->maps While calling bpf_object__find_map_by_name with obj = NULL is obviously incorrect, this should not lead to a segmentation fault but rather be handled gracefully. As __bpf_map__iter already handles this situation correctly, we can delegate the check for the regular case there and only add a check in case the prev or next parameter is NULL. Signed-off-by: Andreas Ziegler Signed-off-by: Daniel Borkmann Link: https://lore.kernel.org/bpf/20240703083436.505124-1-ziegler.andreas@siemens.com Signed-off-by: Sasha Levin --- tools/lib/bpf/libbpf.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/tools/lib/bpf/libbpf.c b/tools/lib/bpf/libbpf.c index 015ed8253f73..33cdcfe10634 100644 --- a/tools/lib/bpf/libbpf.c +++ b/tools/lib/bpf/libbpf.c @@ -9005,7 +9005,7 @@ __bpf_map__iter(const struct bpf_map *m, const struct bpf_object *obj, int i) struct bpf_map * bpf_map__next(const struct bpf_map *prev, const struct bpf_object *obj) { - if (prev == NULL) + if (prev == NULL && obj != NULL) return obj->maps; return __bpf_map__iter(prev, obj, 1); @@ -9014,7 +9014,7 @@ bpf_map__next(const struct bpf_map *prev, const struct bpf_object *obj) struct bpf_map * bpf_map__prev(const struct bpf_map *next, const struct bpf_object *obj) { - if (next == NULL) { + if (next == NULL && obj != NULL) { if (!obj->nr_maps) return NULL; return obj->maps + obj->nr_maps - 1; From 9813770f25855b866b8ead8155b8806b2db70f6d Mon Sep 17 00:00:00 2001 From: Sascha Hauer Date: Wed, 3 Jul 2024 09:24:09 +0200 Subject: [PATCH 640/702] wifi: mwifiex: Do not return unused priv in mwifiex_get_priv_by_id() [ Upstream commit c145eea2f75ff7949392aebecf7ef0a81c1f6c14 ] mwifiex_get_priv_by_id() returns the priv pointer corresponding to the bss_num and bss_type, but without checking if the priv is actually currently in use. Unused priv pointers do not have a wiphy attached to them which can lead to NULL pointer dereferences further down the callstack. Fix this by returning only used priv pointers which have priv->bss_mode set to something else than NL80211_IFTYPE_UNSPECIFIED. Said NULL pointer dereference happened when an Accesspoint was started with wpa_supplicant -i mlan0 with this config: network={ ssid="somessid" mode=2 frequency=2412 key_mgmt=WPA-PSK WPA-PSK-SHA256 proto=RSN group=CCMP pairwise=CCMP psk="12345678" } When waiting for the AP to be established, interrupting wpa_supplicant with and starting it again this happens: | Unable to handle kernel NULL pointer dereference at virtual address 0000000000000140 | Mem abort info: | ESR = 0x0000000096000004 | EC = 0x25: DABT (current EL), IL = 32 bits | SET = 0, FnV = 0 | EA = 0, S1PTW = 0 | FSC = 0x04: level 0 translation fault | Data abort info: | ISV = 0, ISS = 0x00000004, ISS2 = 0x00000000 | CM = 0, WnR = 0, TnD = 0, TagAccess = 0 | GCS = 0, Overlay = 0, DirtyBit = 0, Xs = 0 | user pgtable: 4k pages, 48-bit VAs, pgdp=0000000046d96000 | [0000000000000140] pgd=0000000000000000, p4d=0000000000000000 | Internal error: Oops: 0000000096000004 [#1] PREEMPT SMP | Modules linked in: caam_jr caamhash_desc spidev caamalg_desc crypto_engine authenc libdes mwifiex_sdio +mwifiex crct10dif_ce cdc_acm onboard_usb_hub fsl_imx8_ddr_perf imx8m_ddrc rtc_ds1307 lm75 rtc_snvs +imx_sdma caam imx8mm_thermal spi_imx error imx_cpufreq_dt fuse ip_tables x_tables ipv6 | CPU: 0 PID: 8 Comm: kworker/0:1 Not tainted 6.9.0-00007-g937242013fce-dirty #18 | Hardware name: somemachine (DT) | Workqueue: events sdio_irq_work | pstate: 00000005 (nzcv daif -PAN -UAO -TCO -DIT -SSBS BTYPE=--) | pc : mwifiex_get_cfp+0xd8/0x15c [mwifiex] | lr : mwifiex_get_cfp+0x34/0x15c [mwifiex] | sp : ffff8000818b3a70 | x29: ffff8000818b3a70 x28: ffff000006bfd8a5 x27: 0000000000000004 | x26: 000000000000002c x25: 0000000000001511 x24: 0000000002e86bc9 | x23: ffff000006bfd996 x22: 0000000000000004 x21: ffff000007bec000 | x20: 000000000000002c x19: 0000000000000000 x18: 0000000000000000 | x17: 000000040044ffff x16: 00500072b5503510 x15: ccc283740681e517 | x14: 0201000101006d15 x13: 0000000002e8ff43 x12: 002c01000000ffb1 | x11: 0100000000000000 x10: 02e8ff43002c0100 x9 : 0000ffb100100157 | x8 : ffff000003d20000 x7 : 00000000000002f1 x6 : 00000000ffffe124 | x5 : 0000000000000001 x4 : 0000000000000003 x3 : 0000000000000000 | x2 : 0000000000000000 x1 : 0001000000011001 x0 : 0000000000000000 | Call trace: | mwifiex_get_cfp+0xd8/0x15c [mwifiex] | mwifiex_parse_single_response_buf+0x1d0/0x504 [mwifiex] | mwifiex_handle_event_ext_scan_report+0x19c/0x2f8 [mwifiex] | mwifiex_process_sta_event+0x298/0xf0c [mwifiex] | mwifiex_process_event+0x110/0x238 [mwifiex] | mwifiex_main_process+0x428/0xa44 [mwifiex] | mwifiex_sdio_interrupt+0x64/0x12c [mwifiex_sdio] | process_sdio_pending_irqs+0x64/0x1b8 | sdio_irq_work+0x4c/0x7c | process_one_work+0x148/0x2a0 | worker_thread+0x2fc/0x40c | kthread+0x110/0x114 | ret_from_fork+0x10/0x20 | Code: a94153f3 a8c37bfd d50323bf d65f03c0 (f940a000) | ---[ end trace 0000000000000000 ]--- Signed-off-by: Sascha Hauer Acked-by: Brian Norris Reviewed-by: Francesco Dolcini Signed-off-by: Kalle Valo Link: https://patch.msgid.link/20240703072409.556618-1-s.hauer@pengutronix.de Signed-off-by: Sasha Levin --- drivers/net/wireless/marvell/mwifiex/main.h | 3 +++ 1 file changed, 3 insertions(+) diff --git a/drivers/net/wireless/marvell/mwifiex/main.h b/drivers/net/wireless/marvell/mwifiex/main.h index f4e3dce10d65..5b14fe08811e 100644 --- a/drivers/net/wireless/marvell/mwifiex/main.h +++ b/drivers/net/wireless/marvell/mwifiex/main.h @@ -1310,6 +1310,9 @@ mwifiex_get_priv_by_id(struct mwifiex_adapter *adapter, for (i = 0; i < adapter->priv_num; i++) { if (adapter->priv[i]) { + if (adapter->priv[i]->bss_mode == NL80211_IFTYPE_UNSPECIFIED) + continue; + if ((adapter->priv[i]->bss_num == bss_num) && (adapter->priv[i]->bss_type == bss_type)) break; From 8780129cbcc9966164e06aedf42f4f30e7af5bbe Mon Sep 17 00:00:00 2001 From: Zqiang Date: Thu, 4 Jul 2024 14:52:13 +0800 Subject: [PATCH 641/702] smp: Add missing destroy_work_on_stack() call in smp_call_on_cpu() [ Upstream commit 77aeb1b685f9db73d276bad4bb30d48505a6fd23 ] For CONFIG_DEBUG_OBJECTS_WORK=y kernels sscs.work defined by INIT_WORK_ONSTACK() is initialized by debug_object_init_on_stack() for the debug check in __init_work() to work correctly. But this lacks the counterpart to remove the tracked object from debug objects again, which will cause a debug object warning once the stack is freed. Add the missing destroy_work_on_stack() invocation to cure that. [ tglx: Massaged changelog ] Signed-off-by: Zqiang Signed-off-by: Thomas Gleixner Tested-by: Paul E. McKenney Link: https://lore.kernel.org/r/20240704065213.13559-1-qiang.zhang1211@gmail.com Signed-off-by: Sasha Levin --- kernel/smp.c | 1 + 1 file changed, 1 insertion(+) diff --git a/kernel/smp.c b/kernel/smp.c index b0684b4c111e..c6b3ad79c72b 100644 --- a/kernel/smp.c +++ b/kernel/smp.c @@ -1009,6 +1009,7 @@ int smp_call_on_cpu(unsigned int cpu, int (*func)(void *), void *par, bool phys) queue_work_on(cpu, system_wq, &sscs.work); wait_for_completion(&sscs.done); + destroy_work_on_stack(&sscs.work); return sscs.ret; } From ed1b61398c4ee11be3bbcaea99ee1ebf860d64df Mon Sep 17 00:00:00 2001 From: Josef Bacik Date: Tue, 7 May 2024 14:12:12 -0400 Subject: [PATCH 642/702] btrfs: replace BUG_ON with ASSERT in walk_down_proc() [ Upstream commit 1f9d44c0a12730a24f8bb75c5e1102207413cc9b ] We have a couple of areas where we check to make sure the tree block is locked before looking up or messing with references. This is old code so it has this as BUG_ON(). Convert this to ASSERT() for developers. Signed-off-by: Josef Bacik Reviewed-by: David Sterba Signed-off-by: David Sterba Signed-off-by: Sasha Levin --- fs/btrfs/extent-tree.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/fs/btrfs/extent-tree.c b/fs/btrfs/extent-tree.c index 3ba43a40032c..22fee61bb51a 100644 --- a/fs/btrfs/extent-tree.c +++ b/fs/btrfs/extent-tree.c @@ -4865,7 +4865,7 @@ static noinline int walk_down_proc(struct btrfs_trans_handle *trans, if (lookup_info && ((wc->stage == DROP_REFERENCE && wc->refs[level] != 1) || (wc->stage == UPDATE_BACKREF && !(wc->flags[level] & flag)))) { - BUG_ON(!path->locks[level]); + ASSERT(path->locks[level]); ret = btrfs_lookup_extent_info(trans, fs_info, eb->start, level, 1, &wc->refs[level], @@ -4889,7 +4889,7 @@ static noinline int walk_down_proc(struct btrfs_trans_handle *trans, /* wc->stage == UPDATE_BACKREF */ if (!(wc->flags[level] & flag)) { - BUG_ON(!path->locks[level]); + ASSERT(path->locks[level]); ret = btrfs_inc_ref(trans, root, eb, 1); BUG_ON(ret); /* -ENOMEM */ ret = btrfs_dec_ref(trans, root, eb, 0); From c60676b81fab456b672796830f6d8057058f029c Mon Sep 17 00:00:00 2001 From: Josef Bacik Date: Tue, 7 May 2024 14:12:13 -0400 Subject: [PATCH 643/702] btrfs: clean up our handling of refs == 0 in snapshot delete [ Upstream commit b8ccef048354074a548f108e51d0557d6adfd3a3 ] In reada we BUG_ON(refs == 0), which could be unkind since we aren't holding a lock on the extent leaf and thus could get a transient incorrect answer. In walk_down_proc we also BUG_ON(refs == 0), which could happen if we have extent tree corruption. Change that to return -EUCLEAN. In do_walk_down() we catch this case and handle it correctly, however we return -EIO, which -EUCLEAN is a more appropriate error code. Finally in walk_up_proc we have the same BUG_ON(refs == 0), so convert that to proper error handling. Also adjust the error message so we can actually do something with the information. Signed-off-by: Josef Bacik Reviewed-by: David Sterba Signed-off-by: David Sterba Signed-off-by: Sasha Levin --- fs/btrfs/extent-tree.c | 28 +++++++++++++++++++++++----- 1 file changed, 23 insertions(+), 5 deletions(-) diff --git a/fs/btrfs/extent-tree.c b/fs/btrfs/extent-tree.c index 22fee61bb51a..afa1eccd5e2d 100644 --- a/fs/btrfs/extent-tree.c +++ b/fs/btrfs/extent-tree.c @@ -4806,7 +4806,15 @@ static noinline void reada_walk_down(struct btrfs_trans_handle *trans, /* We don't care about errors in readahead. */ if (ret < 0) continue; - BUG_ON(refs == 0); + + /* + * This could be racey, it's conceivable that we raced and end + * up with a bogus refs count, if that's the case just skip, if + * we are actually corrupt we will notice when we look up + * everything again with our locks. + */ + if (refs == 0) + continue; if (wc->stage == DROP_REFERENCE) { if (refs == 1) @@ -4873,7 +4881,11 @@ static noinline int walk_down_proc(struct btrfs_trans_handle *trans, BUG_ON(ret == -ENOMEM); if (ret) return ret; - BUG_ON(wc->refs[level] == 0); + if (unlikely(wc->refs[level] == 0)) { + btrfs_err(fs_info, "bytenr %llu has 0 references, expect > 0", + eb->start); + return -EUCLEAN; + } } if (wc->stage == DROP_REFERENCE) { @@ -5006,8 +5018,9 @@ static noinline int do_walk_down(struct btrfs_trans_handle *trans, goto out_unlock; if (unlikely(wc->refs[level - 1] == 0)) { - btrfs_err(fs_info, "Missing references."); - ret = -EIO; + btrfs_err(fs_info, "bytenr %llu has 0 references, expect > 0", + bytenr); + ret = -EUCLEAN; goto out_unlock; } *lookup_info = 0; @@ -5209,7 +5222,12 @@ static noinline int walk_up_proc(struct btrfs_trans_handle *trans, path->locks[level] = 0; return ret; } - BUG_ON(wc->refs[level] == 0); + if (unlikely(wc->refs[level] == 0)) { + btrfs_tree_unlock_rw(eb, path->locks[level]); + btrfs_err(fs_info, "bytenr %llu has 0 references, expect > 0", + eb->start); + return -EUCLEAN; + } if (wc->refs[level] == 1) { btrfs_tree_unlock_rw(eb, path->locks[level]); path->locks[level] = 0; From e2355d513b89a2cb511b4ded0deb426cdb01acd0 Mon Sep 17 00:00:00 2001 From: Dan Williams Date: Thu, 30 May 2024 18:04:35 -0700 Subject: [PATCH 644/702] PCI: Add missing bridge lock to pci_bus_lock() [ Upstream commit a4e772898f8bf2e7e1cf661a12c60a5612c4afab ] One of the true positives that the cfg_access_lock lockdep effort identified is this sequence: WARNING: CPU: 14 PID: 1 at drivers/pci/pci.c:4886 pci_bridge_secondary_bus_reset+0x5d/0x70 RIP: 0010:pci_bridge_secondary_bus_reset+0x5d/0x70 Call Trace: ? __warn+0x8c/0x190 ? pci_bridge_secondary_bus_reset+0x5d/0x70 ? report_bug+0x1f8/0x200 ? handle_bug+0x3c/0x70 ? exc_invalid_op+0x18/0x70 ? asm_exc_invalid_op+0x1a/0x20 ? pci_bridge_secondary_bus_reset+0x5d/0x70 pci_reset_bus+0x1d8/0x270 vmd_probe+0x778/0xa10 pci_device_probe+0x95/0x120 Where pci_reset_bus() users are triggering unlocked secondary bus resets. Ironically pci_bus_reset(), several calls down from pci_reset_bus(), uses pci_bus_lock() before issuing the reset which locks everything *but* the bridge itself. For the same motivation as adding: bridge = pci_upstream_bridge(dev); if (bridge) pci_dev_lock(bridge); to pci_reset_function() for the "bus" and "cxl_bus" reset cases, add pci_dev_lock() for @bus->self to pci_bus_lock(). Link: https://lore.kernel.org/r/171711747501.1628941.15217746952476635316.stgit@dwillia2-xfh.jf.intel.com Reported-by: Imre Deak Closes: http://lore.kernel.org/r/6657833b3b5ae_14984b29437@dwillia2-xfh.jf.intel.com.notmuch Signed-off-by: Dan Williams Signed-off-by: Keith Busch [bhelgaas: squash in recursive locking deadlock fix from Keith Busch: https://lore.kernel.org/r/20240711193650.701834-1-kbusch@meta.com] Signed-off-by: Bjorn Helgaas Tested-by: Hans de Goede Tested-by: Kalle Valo Reviewed-by: Dave Jiang Signed-off-by: Sasha Levin --- drivers/pci/pci.c | 35 +++++++++++++++++++++-------------- 1 file changed, 21 insertions(+), 14 deletions(-) diff --git a/drivers/pci/pci.c b/drivers/pci/pci.c index 09d5fa637b98..800df0f1417d 100644 --- a/drivers/pci/pci.c +++ b/drivers/pci/pci.c @@ -5260,10 +5260,12 @@ static void pci_bus_lock(struct pci_bus *bus) { struct pci_dev *dev; + pci_dev_lock(bus->self); list_for_each_entry(dev, &bus->devices, bus_list) { - pci_dev_lock(dev); if (dev->subordinate) pci_bus_lock(dev->subordinate); + else + pci_dev_lock(dev); } } @@ -5275,8 +5277,10 @@ static void pci_bus_unlock(struct pci_bus *bus) list_for_each_entry(dev, &bus->devices, bus_list) { if (dev->subordinate) pci_bus_unlock(dev->subordinate); - pci_dev_unlock(dev); + else + pci_dev_unlock(dev); } + pci_dev_unlock(bus->self); } /* Return 1 on successful lock, 0 on contention */ @@ -5284,15 +5288,15 @@ static int pci_bus_trylock(struct pci_bus *bus) { struct pci_dev *dev; + if (!pci_dev_trylock(bus->self)) + return 0; + list_for_each_entry(dev, &bus->devices, bus_list) { - if (!pci_dev_trylock(dev)) - goto unlock; if (dev->subordinate) { - if (!pci_bus_trylock(dev->subordinate)) { - pci_dev_unlock(dev); + if (!pci_bus_trylock(dev->subordinate)) goto unlock; - } - } + } else if (!pci_dev_trylock(dev)) + goto unlock; } return 1; @@ -5300,8 +5304,10 @@ static int pci_bus_trylock(struct pci_bus *bus) list_for_each_entry_continue_reverse(dev, &bus->devices, bus_list) { if (dev->subordinate) pci_bus_unlock(dev->subordinate); - pci_dev_unlock(dev); + else + pci_dev_unlock(dev); } + pci_dev_unlock(bus->self); return 0; } @@ -5333,9 +5339,10 @@ static void pci_slot_lock(struct pci_slot *slot) list_for_each_entry(dev, &slot->bus->devices, bus_list) { if (!dev->slot || dev->slot != slot) continue; - pci_dev_lock(dev); if (dev->subordinate) pci_bus_lock(dev->subordinate); + else + pci_dev_lock(dev); } } @@ -5361,14 +5368,13 @@ static int pci_slot_trylock(struct pci_slot *slot) list_for_each_entry(dev, &slot->bus->devices, bus_list) { if (!dev->slot || dev->slot != slot) continue; - if (!pci_dev_trylock(dev)) - goto unlock; if (dev->subordinate) { if (!pci_bus_trylock(dev->subordinate)) { pci_dev_unlock(dev); goto unlock; } - } + } else if (!pci_dev_trylock(dev)) + goto unlock; } return 1; @@ -5379,7 +5385,8 @@ static int pci_slot_trylock(struct pci_slot *slot) continue; if (dev->subordinate) pci_bus_unlock(dev->subordinate); - pci_dev_unlock(dev); + else + pci_dev_unlock(dev); } return 0; } From e6f3008de81c1fa1aac330ae4de55d54a96e022d Mon Sep 17 00:00:00 2001 From: Vladimir Oltean Date: Sun, 14 Jul 2024 01:53:32 +0300 Subject: [PATCH 645/702] net: dpaa: avoid on-stack arrays of NR_CPUS elements [ Upstream commit 555a05d84ca2c587e2d4777006e2c2fb3dfbd91d ] The dpaa-eth driver is written for PowerPC and Arm SoCs which have 1-24 CPUs. It depends on CONFIG_NR_CPUS having a reasonably small value in Kconfig. Otherwise, there are 2 functions which allocate on-stack arrays of NR_CPUS elements, and these can quickly explode in size, leading to warnings such as: drivers/net/ethernet/freescale/dpaa/dpaa_eth.c:3280:12: warning: stack frame size (16664) exceeds limit (2048) in 'dpaa_eth_probe' [-Wframe-larger-than] The problem is twofold: - Reducing the array size to the boot-time num_possible_cpus() (rather than the compile-time NR_CPUS) creates a variable-length array, which should be avoided in the Linux kernel. - Using NR_CPUS as an array size makes the driver blow up in stack consumption with generic, as opposed to hand-crafted, .config files. A simple solution is to use dynamic allocation for num_possible_cpus() elements (aka a small number determined at runtime). Link: https://lore.kernel.org/all/202406261920.l5pzM1rj-lkp@intel.com/ Signed-off-by: Vladimir Oltean Reviewed-by: Breno Leitao Acked-by: Madalin Bucur Link: https://patch.msgid.link/20240713225336.1746343-2-vladimir.oltean@nxp.com Signed-off-by: Jakub Kicinski Signed-off-by: Sasha Levin --- .../net/ethernet/freescale/dpaa/dpaa_eth.c | 20 ++++++++++++++----- .../ethernet/freescale/dpaa/dpaa_ethtool.c | 10 +++++++++- 2 files changed, 24 insertions(+), 6 deletions(-) diff --git a/drivers/net/ethernet/freescale/dpaa/dpaa_eth.c b/drivers/net/ethernet/freescale/dpaa/dpaa_eth.c index cb7c028b1bf5..90bd5583ac34 100644 --- a/drivers/net/ethernet/freescale/dpaa/dpaa_eth.c +++ b/drivers/net/ethernet/freescale/dpaa/dpaa_eth.c @@ -908,14 +908,18 @@ static inline void dpaa_setup_egress(const struct dpaa_priv *priv, } } -static void dpaa_fq_setup(struct dpaa_priv *priv, - const struct dpaa_fq_cbs *fq_cbs, - struct fman_port *tx_port) +static int dpaa_fq_setup(struct dpaa_priv *priv, + const struct dpaa_fq_cbs *fq_cbs, + struct fman_port *tx_port) { int egress_cnt = 0, conf_cnt = 0, num_portals = 0, portal_cnt = 0, cpu; const cpumask_t *affine_cpus = qman_affine_cpus(); - u16 channels[NR_CPUS]; struct dpaa_fq *fq; + u16 *channels; + + channels = kcalloc(num_possible_cpus(), sizeof(u16), GFP_KERNEL); + if (!channels) + return -ENOMEM; for_each_cpu_and(cpu, affine_cpus, cpu_online_mask) channels[num_portals++] = qman_affine_channel(cpu); @@ -974,6 +978,10 @@ static void dpaa_fq_setup(struct dpaa_priv *priv, break; } } + + kfree(channels); + + return 0; } static inline int dpaa_tx_fq_to_id(const struct dpaa_priv *priv, @@ -3015,7 +3023,9 @@ static int dpaa_eth_probe(struct platform_device *pdev) */ dpaa_eth_add_channel(priv->channel, &pdev->dev); - dpaa_fq_setup(priv, &dpaa_fq_cbs, priv->mac_dev->port[TX]); + err = dpaa_fq_setup(priv, &dpaa_fq_cbs, priv->mac_dev->port[TX]); + if (err) + goto free_dpaa_bps; /* Create a congestion group for this netdev, with * dynamically-allocated CGR ID. diff --git a/drivers/net/ethernet/freescale/dpaa/dpaa_ethtool.c b/drivers/net/ethernet/freescale/dpaa/dpaa_ethtool.c index 2f9075429c43..d8cb0b99684a 100644 --- a/drivers/net/ethernet/freescale/dpaa/dpaa_ethtool.c +++ b/drivers/net/ethernet/freescale/dpaa/dpaa_ethtool.c @@ -537,12 +537,16 @@ static int dpaa_set_coalesce(struct net_device *dev, struct ethtool_coalesce *c) { const cpumask_t *cpus = qman_affine_cpus(); - bool needs_revert[NR_CPUS] = {false}; struct qman_portal *portal; u32 period, prev_period; u8 thresh, prev_thresh; + bool *needs_revert; int cpu, res; + needs_revert = kcalloc(num_possible_cpus(), sizeof(bool), GFP_KERNEL); + if (!needs_revert) + return -ENOMEM; + period = c->rx_coalesce_usecs; thresh = c->rx_max_coalesced_frames; @@ -565,6 +569,8 @@ static int dpaa_set_coalesce(struct net_device *dev, needs_revert[cpu] = true; } + kfree(needs_revert); + return 0; revert_values: @@ -578,6 +584,8 @@ static int dpaa_set_coalesce(struct net_device *dev, qman_dqrr_set_ithresh(portal, prev_thresh); } + kfree(needs_revert); + return res; } From 3eaad59258ccd59543749b7157da76a3f085d42c Mon Sep 17 00:00:00 2001 From: Zenghui Yu Date: Mon, 29 Jul 2024 10:46:04 +0800 Subject: [PATCH 646/702] kselftests: dmabuf-heaps: Ensure the driver name is null-terminated [ Upstream commit 291e4baf70019f17a81b7b47aeb186b27d222159 ] Even if a vgem device is configured in, we will skip the import_vgem_fd() test almost every time. TAP version 13 1..11 # Testing heap: system # ======================================= # Testing allocation and importing: ok 1 # SKIP Could not open vgem -1 The problem is that we use the DRM_IOCTL_VERSION ioctl to query the driver version information but leave the name field a non-null-terminated string. Terminate it properly to actually test against the vgem device. While at it, let's check the length of the driver name is exactly 4 bytes and return early otherwise (in case there is a name like "vgemfoo" that gets converted to "vgem\0" unexpectedly). Signed-off-by: Zenghui Yu Signed-off-by: Daniel Vetter Link: https://patchwork.freedesktop.org/patch/msgid/20240729024604.2046-1-yuzenghui@huawei.com Signed-off-by: Sasha Levin --- tools/testing/selftests/dmabuf-heaps/dmabuf-heap.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/tools/testing/selftests/dmabuf-heaps/dmabuf-heap.c b/tools/testing/selftests/dmabuf-heaps/dmabuf-heap.c index 909da9cdda97..aa4be40f7d49 100644 --- a/tools/testing/selftests/dmabuf-heaps/dmabuf-heap.c +++ b/tools/testing/selftests/dmabuf-heaps/dmabuf-heap.c @@ -29,9 +29,11 @@ static int check_vgem(int fd) version.name = name; ret = ioctl(fd, DRM_IOCTL_VERSION, &version); - if (ret) + if (ret || version.name_len != 4) return 0; + name[4] = '\0'; + return !strcmp(name, "vgem"); } From 912bcdc51b3fa6866701085512da6636ebaad74c Mon Sep 17 00:00:00 2001 From: David Sterba Date: Mon, 29 Jul 2024 21:59:24 +0200 Subject: [PATCH 647/702] btrfs: initialize location to fix -Wmaybe-uninitialized in btrfs_lookup_dentry() [ Upstream commit b8e947e9f64cac9df85a07672b658df5b2bcff07 ] Some arch + compiler combinations report a potentially unused variable location in btrfs_lookup_dentry(). This is a false alert as the variable is passed by value and always valid or there's an error. The compilers cannot probably reason about that although btrfs_inode_by_name() is in the same file. > + /kisskb/src/fs/btrfs/inode.c: error: 'location.objectid' may be used +uninitialized in this function [-Werror=maybe-uninitialized]: => 5603:9 > + /kisskb/src/fs/btrfs/inode.c: error: 'location.type' may be used +uninitialized in this function [-Werror=maybe-uninitialized]: => 5674:5 m68k-gcc8/m68k-allmodconfig mips-gcc8/mips-allmodconfig powerpc-gcc5/powerpc-all{mod,yes}config powerpc-gcc5/ppc64_defconfig Initialize it to zero, this should fix the warnings and won't change the behaviour as btrfs_inode_by_name() accepts only a root or inode item types, otherwise returns an error. Reported-by: Geert Uytterhoeven Tested-by: Geert Uytterhoeven Link: https://lore.kernel.org/linux-btrfs/bd4e9928-17b3-9257-8ba7-6b7f9bbb639a@linux-m68k.org/ Reviewed-by: Qu Wenruo Signed-off-by: David Sterba Signed-off-by: Sasha Levin --- fs/btrfs/inode.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/fs/btrfs/inode.c b/fs/btrfs/inode.c index 4bf28f74605f..cd3156a9a268 100644 --- a/fs/btrfs/inode.c +++ b/fs/btrfs/inode.c @@ -5527,7 +5527,7 @@ struct inode *btrfs_lookup_dentry(struct inode *dir, struct dentry *dentry) struct inode *inode; struct btrfs_root *root = BTRFS_I(dir)->root; struct btrfs_root *sub_root = root; - struct btrfs_key location; + struct btrfs_key location = { 0 }; u8 di_type = 0; int ret = 0; From 3206e4a4b0628f05f7fec57f66f8ed4619659d03 Mon Sep 17 00:00:00 2001 From: Heiko Carstens Date: Mon, 29 Jul 2024 13:06:43 +0200 Subject: [PATCH 648/702] s390/vmlinux.lds.S: Move ro_after_init section behind rodata section [ Upstream commit 75c10d5377d8821efafed32e4d72068d9c1f8ec0 ] The .data.rel.ro and .got section were added between the rodata and ro_after_init data section, which adds an RW mapping in between all RO mapping of the kernel image: ---[ Kernel Image Start ]--- 0x000003ffe0000000-0x000003ffe0e00000 14M PMD RO X 0x000003ffe0e00000-0x000003ffe0ec7000 796K PTE RO X 0x000003ffe0ec7000-0x000003ffe0f00000 228K PTE RO NX 0x000003ffe0f00000-0x000003ffe1300000 4M PMD RO NX 0x000003ffe1300000-0x000003ffe1331000 196K PTE RO NX 0x000003ffe1331000-0x000003ffe13b3000 520K PTE RW NX <--- 0x000003ffe13b3000-0x000003ffe13d5000 136K PTE RO NX 0x000003ffe13d5000-0x000003ffe1400000 172K PTE RW NX 0x000003ffe1400000-0x000003ffe1500000 1M PMD RW NX 0x000003ffe1500000-0x000003ffe1700000 2M PTE RW NX 0x000003ffe1700000-0x000003ffe1800000 1M PMD RW NX 0x000003ffe1800000-0x000003ffe187e000 504K PTE RW NX ---[ Kernel Image End ]--- Move the ro_after_init data section again right behind the rodata section to prevent interleaving RO and RW mappings: ---[ Kernel Image Start ]--- 0x000003ffe0000000-0x000003ffe0e00000 14M PMD RO X 0x000003ffe0e00000-0x000003ffe0ec7000 796K PTE RO X 0x000003ffe0ec7000-0x000003ffe0f00000 228K PTE RO NX 0x000003ffe0f00000-0x000003ffe1300000 4M PMD RO NX 0x000003ffe1300000-0x000003ffe1353000 332K PTE RO NX 0x000003ffe1353000-0x000003ffe1400000 692K PTE RW NX 0x000003ffe1400000-0x000003ffe1500000 1M PMD RW NX 0x000003ffe1500000-0x000003ffe1700000 2M PTE RW NX 0x000003ffe1700000-0x000003ffe1800000 1M PMD RW NX 0x000003ffe1800000-0x000003ffe187e000 504K PTE RW NX ---[ Kernel Image End ]--- Reviewed-by: Alexander Gordeev Signed-off-by: Heiko Carstens Signed-off-by: Vasily Gorbik Signed-off-by: Sasha Levin --- arch/s390/kernel/vmlinux.lds.S | 9 +++++++++ 1 file changed, 9 insertions(+) diff --git a/arch/s390/kernel/vmlinux.lds.S b/arch/s390/kernel/vmlinux.lds.S index 1c65c38ec9a3..c4bf95371f49 100644 --- a/arch/s390/kernel/vmlinux.lds.S +++ b/arch/s390/kernel/vmlinux.lds.S @@ -69,6 +69,15 @@ SECTIONS . = ALIGN(PAGE_SIZE); __end_ro_after_init = .; + .data.rel.ro : { + *(.data.rel.ro .data.rel.ro.*) + } + .got : { + __got_start = .; + *(.got) + __got_end = .; + } + RW_DATA(0x100, PAGE_SIZE, THREAD_SIZE) BOOT_DATA_PRESERVED From 34185de73d74fdc90e8651cfc472bfea6073a13f Mon Sep 17 00:00:00 2001 From: Camila Alvarez Date: Tue, 30 Jul 2024 19:42:43 -0400 Subject: [PATCH 649/702] HID: cougar: fix slab-out-of-bounds Read in cougar_report_fixup [ Upstream commit a6e9c391d45b5865b61e569146304cff72821a5d ] report_fixup for the Cougar 500k Gaming Keyboard was not verifying that the report descriptor size was correct before accessing it Reported-by: syzbot+24c0361074799d02c452@syzkaller.appspotmail.com Closes: https://syzkaller.appspot.com/bug?extid=24c0361074799d02c452 Signed-off-by: Camila Alvarez Reviewed-by: Silvan Jegen Signed-off-by: Jiri Kosina Signed-off-by: Sasha Levin --- drivers/hid/hid-cougar.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/hid/hid-cougar.c b/drivers/hid/hid-cougar.c index 28d671c5e0ca..d173b13ff198 100644 --- a/drivers/hid/hid-cougar.c +++ b/drivers/hid/hid-cougar.c @@ -106,7 +106,7 @@ static void cougar_fix_g6_mapping(void) static __u8 *cougar_report_fixup(struct hid_device *hdev, __u8 *rdesc, unsigned int *rsize) { - if (rdesc[2] == 0x09 && rdesc[3] == 0x02 && + if (*rsize >= 117 && rdesc[2] == 0x09 && rdesc[3] == 0x02 && (rdesc[115] | rdesc[116] << 8) >= HID_MAX_USAGES) { hid_info(hdev, "usage count exceeds max: fixing up report descriptor\n"); From 51fa08edd80003db700bdaa099385c5900d27f4b Mon Sep 17 00:00:00 2001 From: Dmitry Torokhov Date: Sun, 4 Aug 2024 17:50:25 -0700 Subject: [PATCH 650/702] Input: uinput - reject requests with unreasonable number of slots [ Upstream commit 206f533a0a7c683982af473079c4111f4a0f9f5e ] From: Dmitry Torokhov When exercising uinput interface syzkaller may try setting up device with a really large number of slots, which causes memory allocation failure in input_mt_init_slots(). While this allocation failure is handled properly and request is rejected, it results in syzkaller reports. Additionally, such request may put undue burden on the system which will try to free a lot of memory for a bogus request. Fix it by limiting allowed number of slots to 100. This can easily be extended if we see devices that can track more than 100 contacts. Reported-by: Tetsuo Handa Reported-by: syzbot Closes: https://syzkaller.appspot.com/bug?extid=0122fa359a69694395d5 Link: https://lore.kernel.org/r/Zqgi7NYEbpRsJfa2@google.com Signed-off-by: Dmitry Torokhov Signed-off-by: Sasha Levin --- drivers/input/misc/uinput.c | 14 ++++++++++++++ 1 file changed, 14 insertions(+) diff --git a/drivers/input/misc/uinput.c b/drivers/input/misc/uinput.c index f2593133e524..790db3ceb208 100644 --- a/drivers/input/misc/uinput.c +++ b/drivers/input/misc/uinput.c @@ -416,6 +416,20 @@ static int uinput_validate_absinfo(struct input_dev *dev, unsigned int code, return -EINVAL; } + /* + * Limit number of contacts to a reasonable value (100). This + * ensures that we need less than 2 pages for struct input_mt + * (we are not using in-kernel slot assignment so not going to + * allocate memory for the "red" table), and we should have no + * trouble getting this much memory. + */ + if (code == ABS_MT_SLOT && max > 99) { + printk(KERN_DEBUG + "%s: unreasonably large number of slots requested: %d\n", + UINPUT_NAME, max); + return -EINVAL; + } + return 0; } From 2f14160d9fe242dfc8bfe1330ac877e9db4ffa72 Mon Sep 17 00:00:00 2001 From: Oliver Neukum Date: Tue, 6 Aug 2024 19:28:05 +0200 Subject: [PATCH 651/702] usbnet: ipheth: race between ipheth_close and error handling [ Upstream commit e5876b088ba03a62124266fa20d00e65533c7269 ] ipheth_sndbulk_callback() can submit carrier_work as a part of its error handling. That means that the driver must make sure that the work is cancelled after it has made sure that no more URB can terminate with an error condition. Hence the order of actions in ipheth_close() needs to be inverted. Signed-off-by: Oliver Neukum Signed-off-by: Foster Snowhill Tested-by: Georgi Valkov Signed-off-by: David S. Miller Signed-off-by: Sasha Levin --- drivers/net/usb/ipheth.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/net/usb/ipheth.c b/drivers/net/usb/ipheth.c index d56e276e4d80..4485388dcff2 100644 --- a/drivers/net/usb/ipheth.c +++ b/drivers/net/usb/ipheth.c @@ -353,8 +353,8 @@ static int ipheth_close(struct net_device *net) { struct ipheth_device *dev = netdev_priv(net); - cancel_delayed_work_sync(&dev->carrier_work); netif_stop_queue(net); + cancel_delayed_work_sync(&dev->carrier_work); return 0; } From 5c8906de98d0d7ad42ff3edf2cb6cd7e0ea658c4 Mon Sep 17 00:00:00 2001 From: Phillip Lougher Date: Mon, 12 Aug 2024 00:28:21 +0100 Subject: [PATCH 652/702] Squashfs: sanity check symbolic link size [ Upstream commit 810ee43d9cd245d138a2733d87a24858a23f577d ] Syzkiller reports a "KMSAN: uninit-value in pick_link" bug. This is caused by an uninitialised page, which is ultimately caused by a corrupted symbolic link size read from disk. The reason why the corrupted symlink size causes an uninitialised page is due to the following sequence of events: 1. squashfs_read_inode() is called to read the symbolic link from disk. This assigns the corrupted value 3875536935 to inode->i_size. 2. Later squashfs_symlink_read_folio() is called, which assigns this corrupted value to the length variable, which being a signed int, overflows producing a negative number. 3. The following loop that fills in the page contents checks that the copied bytes is less than length, which being negative means the loop is skipped, producing an uninitialised page. This patch adds a sanity check which checks that the symbolic link size is not larger than expected. -- Signed-off-by: Phillip Lougher Link: https://lore.kernel.org/r/20240811232821.13903-1-phillip@squashfs.org.uk Reported-by: Lizhi Xu Reported-by: syzbot+24ac24ff58dc5b0d26b9@syzkaller.appspotmail.com Closes: https://lore.kernel.org/all/000000000000a90e8c061e86a76b@google.com/ V2: fix spelling mistake. Signed-off-by: Christian Brauner Signed-off-by: Sasha Levin --- fs/squashfs/inode.c | 7 ++++++- 1 file changed, 6 insertions(+), 1 deletion(-) diff --git a/fs/squashfs/inode.c b/fs/squashfs/inode.c index 24463145b351..f31649080a88 100644 --- a/fs/squashfs/inode.c +++ b/fs/squashfs/inode.c @@ -276,8 +276,13 @@ int squashfs_read_inode(struct inode *inode, long long ino) if (err < 0) goto failed_read; - set_nlink(inode, le32_to_cpu(sqsh_ino->nlink)); inode->i_size = le32_to_cpu(sqsh_ino->symlink_size); + if (inode->i_size > PAGE_SIZE) { + ERROR("Corrupted symlink\n"); + return -EINVAL; + } + + set_nlink(inode, le32_to_cpu(sqsh_ino->nlink)); inode->i_op = &squashfs_symlink_inode_ops; inode_nohighmem(inode); inode->i_data.a_ops = &squashfs_symlink_aops; From 9d1e9f0876b03d74d44513a0ed3ed15ef8f2fed5 Mon Sep 17 00:00:00 2001 From: Stefan Wiehler Date: Mon, 12 Aug 2024 12:06:51 +0200 Subject: [PATCH 653/702] of/irq: Prevent device address out-of-bounds read in interrupt map walk [ Upstream commit b739dffa5d570b411d4bdf4bb9b8dfd6b7d72305 ] When of_irq_parse_raw() is invoked with a device address smaller than the interrupt parent node (from #address-cells property), KASAN detects the following out-of-bounds read when populating the initial match table (dyndbg="func of_irq_parse_* +p"): OF: of_irq_parse_one: dev=/soc@0/picasso/watchdog, index=0 OF: parent=/soc@0/pci@878000000000/gpio0@17,0, intsize=2 OF: intspec=4 OF: of_irq_parse_raw: ipar=/soc@0/pci@878000000000/gpio0@17,0, size=2 OF: -> addrsize=3 ================================================================== BUG: KASAN: slab-out-of-bounds in of_irq_parse_raw+0x2b8/0x8d0 Read of size 4 at addr ffffff81beca5608 by task bash/764 CPU: 1 PID: 764 Comm: bash Tainted: G O 6.1.67-484c613561-nokia_sm_arm64 #1 Hardware name: Unknown Unknown Product/Unknown Product, BIOS 2023.01-12.24.03-dirty 01/01/2023 Call trace: dump_backtrace+0xdc/0x130 show_stack+0x1c/0x30 dump_stack_lvl+0x6c/0x84 print_report+0x150/0x448 kasan_report+0x98/0x140 __asan_load4+0x78/0xa0 of_irq_parse_raw+0x2b8/0x8d0 of_irq_parse_one+0x24c/0x270 parse_interrupts+0xc0/0x120 of_fwnode_add_links+0x100/0x2d0 fw_devlink_parse_fwtree+0x64/0xc0 device_add+0xb38/0xc30 of_device_add+0x64/0x90 of_platform_device_create_pdata+0xd0/0x170 of_platform_bus_create+0x244/0x600 of_platform_notify+0x1b0/0x254 blocking_notifier_call_chain+0x9c/0xd0 __of_changeset_entry_notify+0x1b8/0x230 __of_changeset_apply_notify+0x54/0xe4 of_overlay_fdt_apply+0xc04/0xd94 ... The buggy address belongs to the object at ffffff81beca5600 which belongs to the cache kmalloc-128 of size 128 The buggy address is located 8 bytes inside of 128-byte region [ffffff81beca5600, ffffff81beca5680) The buggy address belongs to the physical page: page:00000000230d3d03 refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x1beca4 head:00000000230d3d03 order:1 compound_mapcount:0 compound_pincount:0 flags: 0x8000000000010200(slab|head|zone=2) raw: 8000000000010200 0000000000000000 dead000000000122 ffffff810000c300 raw: 0000000000000000 0000000000200020 00000001ffffffff 0000000000000000 page dumped because: kasan: bad access detected Memory state around the buggy address: ffffff81beca5500: 04 fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc ffffff81beca5580: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc >ffffff81beca5600: 00 fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc ^ ffffff81beca5680: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc ffffff81beca5700: 00 00 00 00 00 00 fc fc fc fc fc fc fc fc fc fc ================================================================== OF: -> got it ! Prevent the out-of-bounds read by copying the device address into a buffer of sufficient size. Signed-off-by: Stefan Wiehler Link: https://lore.kernel.org/r/20240812100652.3800963-1-stefan.wiehler@nokia.com Signed-off-by: Rob Herring (Arm) Signed-off-by: Sasha Levin --- drivers/of/irq.c | 15 +++++++++++---- 1 file changed, 11 insertions(+), 4 deletions(-) diff --git a/drivers/of/irq.c b/drivers/of/irq.c index 352e14b007e7..ad0cb49e233a 100644 --- a/drivers/of/irq.c +++ b/drivers/of/irq.c @@ -288,7 +288,8 @@ int of_irq_parse_one(struct device_node *device, int index, struct of_phandle_ar struct device_node *p; const __be32 *addr; u32 intsize; - int i, res; + int i, res, addr_len; + __be32 addr_buf[3] = { 0 }; pr_debug("of_irq_parse_one: dev=%pOF, index=%d\n", device, index); @@ -297,13 +298,19 @@ int of_irq_parse_one(struct device_node *device, int index, struct of_phandle_ar return of_irq_parse_oldworld(device, index, out_irq); /* Get the reg property (if any) */ - addr = of_get_property(device, "reg", NULL); + addr = of_get_property(device, "reg", &addr_len); + + /* Prevent out-of-bounds read in case of longer interrupt parent address size */ + if (addr_len > (3 * sizeof(__be32))) + addr_len = 3 * sizeof(__be32); + if (addr) + memcpy(addr_buf, addr, addr_len); /* Try the new-style interrupts-extended first */ res = of_parse_phandle_with_args(device, "interrupts-extended", "#interrupt-cells", index, out_irq); if (!res) - return of_irq_parse_raw(addr, out_irq); + return of_irq_parse_raw(addr_buf, out_irq); /* Look for the interrupt parent. */ p = of_irq_find_parent(device); @@ -333,7 +340,7 @@ int of_irq_parse_one(struct device_node *device, int index, struct of_phandle_ar /* Check if there are any interrupt-map translations to process */ - res = of_irq_parse_raw(addr, out_irq); + res = of_irq_parse_raw(addr_buf, out_irq); out: of_node_put(p); return res; From 99418ec776a39609f50934720419e0b464ca2283 Mon Sep 17 00:00:00 2001 From: Kent Overstreet Date: Sat, 10 Aug 2024 21:04:35 -0400 Subject: [PATCH 654/702] lib/generic-radix-tree.c: Fix rare race in __genradix_ptr_alloc() [ Upstream commit b2f11c6f3e1fc60742673b8675c95b78447f3dae ] If we need to increase the tree depth, allocate a new node, and then race with another thread that increased the tree depth before us, we'll still have a preallocated node that might be used later. If we then use that node for a new non-root node, it'll still have a pointer to the old root instead of being zeroed - fix this by zeroing it in the cmpxchg failure path. Signed-off-by: Kent Overstreet Signed-off-by: Sasha Levin --- lib/generic-radix-tree.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/lib/generic-radix-tree.c b/lib/generic-radix-tree.c index f25eb111c051..34d3ac52de89 100644 --- a/lib/generic-radix-tree.c +++ b/lib/generic-radix-tree.c @@ -131,6 +131,8 @@ void *__genradix_ptr_alloc(struct __genradix *radix, size_t offset, if ((v = cmpxchg_release(&radix->root, r, new_root)) == r) { v = new_root; new_node = NULL; + } else { + new_node->children[0] = NULL; } } From d3ff0f98a52f0aafe35aa314d1c442f4318be3db Mon Sep 17 00:00:00 2001 From: Jiaxun Yang Date: Tue, 13 Aug 2024 10:59:08 +0100 Subject: [PATCH 655/702] MIPS: cevt-r4k: Don't call get_c0_compare_int if timer irq is installed MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit [ Upstream commit 50f2b98dc83de7809a5c5bf0ccf9af2e75c37c13 ] This avoids warning: [ 0.118053] BUG: sleeping function called from invalid context at kernel/locking/mutex.c:283 Caused by get_c0_compare_int on secondary CPU. We also skipped saving IRQ number to struct clock_event_device *cd as it's never used by clockevent core, as per comments it's only meant for "non CPU local devices". Reported-by: Serge Semin Closes: https://lore.kernel.org/linux-mips/6szkkqxpsw26zajwysdrwplpjvhl5abpnmxgu2xuj3dkzjnvsf@4daqrz4mf44k/ Signed-off-by: Jiaxun Yang Reviewed-by: Philippe Mathieu-Daudé Reviewed-by: Serge Semin Tested-by: Serge Semin Signed-off-by: Thomas Bogendoerfer Signed-off-by: Sasha Levin --- arch/mips/kernel/cevt-r4k.c | 15 +++++++-------- 1 file changed, 7 insertions(+), 8 deletions(-) diff --git a/arch/mips/kernel/cevt-r4k.c b/arch/mips/kernel/cevt-r4k.c index 995ad9e69ded..23207516015c 100644 --- a/arch/mips/kernel/cevt-r4k.c +++ b/arch/mips/kernel/cevt-r4k.c @@ -307,13 +307,6 @@ int r4k_clockevent_init(void) if (!c0_compare_int_usable()) return -ENXIO; - /* - * With vectored interrupts things are getting platform specific. - * get_c0_compare_int is a hook to allow a platform to return the - * interrupt number of its liking. - */ - irq = get_c0_compare_int(); - cd = &per_cpu(mips_clockevent_device, cpu); cd->name = "MIPS"; @@ -324,7 +317,6 @@ int r4k_clockevent_init(void) min_delta = calculate_min_delta(); cd->rating = 300; - cd->irq = irq; cd->cpumask = cpumask_of(cpu); cd->set_next_event = mips_next_event; cd->event_handler = mips_event_handler; @@ -336,6 +328,13 @@ int r4k_clockevent_init(void) cp0_timer_irq_installed = 1; + /* + * With vectored interrupts things are getting platform specific. + * get_c0_compare_int is a hook to allow a platform to return the + * interrupt number of its liking. + */ + irq = get_c0_compare_int(); + if (request_irq(irq, c0_compare_interrupt, flags, "timer", c0_compare_interrupt)) pr_err("Failed to request irq %d (timer)\n", irq); From 6fb7b7f5baaa81bd89f086242738519107f1f66c Mon Sep 17 00:00:00 2001 From: Michael Ellerman Date: Tue, 20 Aug 2024 13:04:07 +1000 Subject: [PATCH 656/702] ata: pata_macio: Use WARN instead of BUG [ Upstream commit d4bc0a264fb482b019c84fbc7202dd3cab059087 ] The overflow/underflow conditions in pata_macio_qc_prep() should never happen. But if they do there's no need to kill the system entirely, a WARN and failing the IO request should be sufficient and might allow the system to keep running. Signed-off-by: Michael Ellerman Signed-off-by: Damien Le Moal Signed-off-by: Sasha Levin --- drivers/ata/pata_macio.c | 7 +++++-- 1 file changed, 5 insertions(+), 2 deletions(-) diff --git a/drivers/ata/pata_macio.c b/drivers/ata/pata_macio.c index e47a28271f5b..ba8f0084075b 100644 --- a/drivers/ata/pata_macio.c +++ b/drivers/ata/pata_macio.c @@ -540,7 +540,8 @@ static enum ata_completion_errors pata_macio_qc_prep(struct ata_queued_cmd *qc) while (sg_len) { /* table overflow should never happen */ - BUG_ON (pi++ >= MAX_DCMDS); + if (WARN_ON_ONCE(pi >= MAX_DCMDS)) + return AC_ERR_SYSTEM; len = (sg_len < MAX_DBDMA_SEG) ? sg_len : MAX_DBDMA_SEG; table->command = cpu_to_le16(write ? OUTPUT_MORE: INPUT_MORE); @@ -552,11 +553,13 @@ static enum ata_completion_errors pata_macio_qc_prep(struct ata_queued_cmd *qc) addr += len; sg_len -= len; ++table; + ++pi; } } /* Should never happen according to Tejun */ - BUG_ON(!pi); + if (WARN_ON_ONCE(!pi)) + return AC_ERR_SYSTEM; /* Convert the last command to an input/output */ table--; From d8a61e69f810483d96acd7fa489e5367e3dcc381 Mon Sep 17 00:00:00 2001 From: Trond Myklebust Date: Wed, 21 Aug 2024 14:05:00 -0400 Subject: [PATCH 657/702] NFSv4: Add missing rescheduling points in nfs_client_return_marked_delegations [ Upstream commit a017ad1313fc91bdf235097fd0a02f673fc7bb11 ] We're seeing reports of soft lockups when iterating through the loops, so let's add rescheduling points. Signed-off-by: Trond Myklebust Reviewed-by: Jeff Layton Signed-off-by: Anna Schumaker Signed-off-by: Sasha Levin --- fs/nfs/super.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/fs/nfs/super.c b/fs/nfs/super.c index 1ffce9076060..2d2238548a6e 100644 --- a/fs/nfs/super.c +++ b/fs/nfs/super.c @@ -47,6 +47,7 @@ #include #include #include +#include #include #include #include @@ -219,6 +220,7 @@ static int __nfs_list_for_each_server(struct list_head *head, ret = fn(server, data); if (ret) goto out; + cond_resched(); rcu_read_lock(); } rcu_read_unlock(); From 41cc91e3138fe52f8da92a81bebcd0e6cf488c53 Mon Sep 17 00:00:00 2001 From: Aleksandr Mishin Date: Wed, 3 Jul 2024 18:45:06 +0300 Subject: [PATCH 658/702] staging: iio: frequency: ad9834: Validate frequency parameter value commit b48aa991758999d4e8f9296c5bbe388f293ef465 upstream. In ad9834_write_frequency() clk_get_rate() can return 0. In such case ad9834_calc_freqreg() call will lead to division by zero. Checking 'if (fout > (clk_freq / 2))' doesn't protect in case of 'fout' is 0. ad9834_write_frequency() is called from ad9834_write(), where fout is taken from text buffer, which can contain any value. Modify parameters checking. Found by Linux Verification Center (linuxtesting.org) with SVACE. Fixes: 12b9d5bf76bf ("Staging: IIO: DDS: AD9833 / AD9834 driver") Suggested-by: Dan Carpenter Signed-off-by: Aleksandr Mishin Reviewed-by: Dan Carpenter Link: https://patch.msgid.link/20240703154506.25584-1-amishin@t-argos.ru Cc: Signed-off-by: Jonathan Cameron Signed-off-by: Greg Kroah-Hartman --- drivers/staging/iio/frequency/ad9834.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/staging/iio/frequency/ad9834.c b/drivers/staging/iio/frequency/ad9834.c index 262c3590e64e..fa0a7056dea4 100644 --- a/drivers/staging/iio/frequency/ad9834.c +++ b/drivers/staging/iio/frequency/ad9834.c @@ -115,7 +115,7 @@ static int ad9834_write_frequency(struct ad9834_state *st, clk_freq = clk_get_rate(st->mclk); - if (fout > (clk_freq / 2)) + if (!clk_freq || fout > (clk_freq / 2)) return -EINVAL; regval = ad9834_calc_freqreg(clk_freq, fout); From f3a54c27bacd07b21ac8c79ce21d9632d1a8e008 Mon Sep 17 00:00:00 2001 From: David Lechner Date: Tue, 23 Jul 2024 11:32:21 -0500 Subject: [PATCH 659/702] iio: buffer-dmaengine: fix releasing dma channel on error commit 84c65d8008764a8fb4e627ff02de01ec4245f2c4 upstream. If dma_get_slave_caps() fails, we need to release the dma channel before returning an error to avoid leaking the channel. Fixes: 2d6ca60f3284 ("iio: Add a DMAengine framework based buffer") Signed-off-by: David Lechner Link: https://patch.msgid.link/20240723-iio-fix-dmaengine-free-on-error-v1-1-2c7cbc9b92ff@baylibre.com Cc: Signed-off-by: Jonathan Cameron Signed-off-by: Greg Kroah-Hartman --- drivers/iio/buffer/industrialio-buffer-dmaengine.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/drivers/iio/buffer/industrialio-buffer-dmaengine.c b/drivers/iio/buffer/industrialio-buffer-dmaengine.c index 93b4e9e6bb55..8aa6e12320e7 100644 --- a/drivers/iio/buffer/industrialio-buffer-dmaengine.c +++ b/drivers/iio/buffer/industrialio-buffer-dmaengine.c @@ -180,7 +180,7 @@ static struct iio_buffer *iio_dmaengine_buffer_alloc(struct device *dev, ret = dma_get_slave_caps(chan, &caps); if (ret < 0) - goto err_free; + goto err_release; /* Needs to be aligned to the maximum of the minimums */ if (caps.src_addr_widths) @@ -207,6 +207,8 @@ static struct iio_buffer *iio_dmaengine_buffer_alloc(struct device *dev, return &dmaengine_buffer->queue.buffer; +err_release: + dma_release_channel(chan); err_free: kfree(dmaengine_buffer); return ERR_PTR(ret); From 1719ebc8e303b699128c4ca01035b154d11130c7 Mon Sep 17 00:00:00 2001 From: Matteo Martelli Date: Tue, 30 Jul 2024 10:11:53 +0200 Subject: [PATCH 660/702] iio: fix scale application in iio_convert_raw_to_processed_unlocked commit 8a3dcc970dc57b358c8db2702447bf0af4e0d83a upstream. When the scale_type is IIO_VAL_INT_PLUS_MICRO or IIO_VAL_INT_PLUS_NANO the scale passed as argument is only applied to the fractional part of the value. Fix it by also multiplying the integer part by the scale provided. Fixes: 48e44ce0f881 ("iio:inkern: Add function to read the processed value") Signed-off-by: Matteo Martelli Link: https://patch.msgid.link/20240730-iio-fix-scale-v1-1-6246638c8daa@gmail.com Cc: Signed-off-by: Jonathan Cameron Signed-off-by: Greg Kroah-Hartman --- drivers/iio/inkern.c | 8 ++++---- 1 file changed, 4 insertions(+), 4 deletions(-) diff --git a/drivers/iio/inkern.c b/drivers/iio/inkern.c index c32b2577dd99..6e64ffde6c82 100644 --- a/drivers/iio/inkern.c +++ b/drivers/iio/inkern.c @@ -610,17 +610,17 @@ static int iio_convert_raw_to_processed_unlocked(struct iio_channel *chan, break; case IIO_VAL_INT_PLUS_MICRO: if (scale_val2 < 0) - *processed = -raw64 * scale_val; + *processed = -raw64 * scale_val * scale; else - *processed = raw64 * scale_val; + *processed = raw64 * scale_val * scale; *processed += div_s64(raw64 * (s64)scale_val2 * scale, 1000000LL); break; case IIO_VAL_INT_PLUS_NANO: if (scale_val2 < 0) - *processed = -raw64 * scale_val; + *processed = -raw64 * scale_val * scale; else - *processed = raw64 * scale_val; + *processed = raw64 * scale_val * scale; *processed += div_s64(raw64 * (s64)scale_val2 * scale, 1000000000LL); break; From d0d3edb56e26f558bda062ab2e85d9bc9a3f73f0 Mon Sep 17 00:00:00 2001 From: Dumitru Ceclan Date: Wed, 31 Jul 2024 15:37:22 +0300 Subject: [PATCH 661/702] iio: adc: ad7124: fix chip ID mismatch commit 96f9ab0d5933c1c00142dd052f259fce0bc3ced2 upstream. The ad7124_soft_reset() function has the assumption that the chip will assert the "power-on reset" bit in the STATUS register after a software reset without any delay. The POR bit =0 is used to check if the chip initialization is done. A chip ID mismatch probe error appears intermittently when the probe continues too soon and the ID register does not contain the expected value. Fix by adding a 200us delay after the software reset command is issued. Fixes: b3af341bbd96 ("iio: adc: Add ad7124 support") Signed-off-by: Dumitru Ceclan Reviewed-by: Nuno Sa Link: https://patch.msgid.link/20240731-ad7124-fix-v1-1-46a76aa4b9be@analog.com Cc: Signed-off-by: Jonathan Cameron Signed-off-by: Greg Kroah-Hartman --- drivers/iio/adc/ad7124.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/iio/adc/ad7124.c b/drivers/iio/adc/ad7124.c index 19ab7d7251bc..99d1288e6682 100644 --- a/drivers/iio/adc/ad7124.c +++ b/drivers/iio/adc/ad7124.c @@ -500,6 +500,7 @@ static int ad7124_soft_reset(struct ad7124_state *st) if (ret < 0) return ret; + fsleep(200); timeout = 100; do { ret = ad_sd_read_reg(&st->sd, AD7124_STATUS, 1, &readval); From 3a8154bb4ab4a01390a3abf1e6afac296e037da4 Mon Sep 17 00:00:00 2001 From: Carlos Llamas Date: Thu, 22 Aug 2024 18:23:52 +0000 Subject: [PATCH 662/702] binder: fix UAF caused by offsets overwrite commit 4df153652cc46545722879415937582028c18af5 upstream. Binder objects are processed and copied individually into the target buffer during transactions. Any raw data in-between these objects is copied as well. However, this raw data copy lacks an out-of-bounds check. If the raw data exceeds the data section size then the copy overwrites the offsets section. This eventually triggers an error that attempts to unwind the processed objects. However, at this point the offsets used to index these objects are now corrupted. Unwinding with corrupted offsets can result in decrements of arbitrary nodes and lead to their premature release. Other users of such nodes are left with a dangling pointer triggering a use-after-free. This issue is made evident by the following KASAN report (trimmed): ================================================================== BUG: KASAN: slab-use-after-free in _raw_spin_lock+0xe4/0x19c Write of size 4 at addr ffff47fc91598f04 by task binder-util/743 CPU: 9 UID: 0 PID: 743 Comm: binder-util Not tainted 6.11.0-rc4 #1 Hardware name: linux,dummy-virt (DT) Call trace: _raw_spin_lock+0xe4/0x19c binder_free_buf+0x128/0x434 binder_thread_write+0x8a4/0x3260 binder_ioctl+0x18f0/0x258c [...] Allocated by task 743: __kmalloc_cache_noprof+0x110/0x270 binder_new_node+0x50/0x700 binder_transaction+0x413c/0x6da8 binder_thread_write+0x978/0x3260 binder_ioctl+0x18f0/0x258c [...] Freed by task 745: kfree+0xbc/0x208 binder_thread_read+0x1c5c/0x37d4 binder_ioctl+0x16d8/0x258c [...] ================================================================== To avoid this issue, let's check that the raw data copy is within the boundaries of the data section. Fixes: 6d98eb95b450 ("binder: avoid potential data leakage when copying txn") Cc: Todd Kjos Cc: stable@vger.kernel.org Signed-off-by: Carlos Llamas Link: https://lore.kernel.org/r/20240822182353.2129600-1-cmllamas@google.com Signed-off-by: Greg Kroah-Hartman --- drivers/android/binder.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/android/binder.c b/drivers/android/binder.c index cd3de4ec1767..eabb4c9d4718 100644 --- a/drivers/android/binder.c +++ b/drivers/android/binder.c @@ -3530,6 +3530,7 @@ static void binder_transaction(struct binder_proc *proc, */ copy_size = object_offset - user_offset; if (copy_size && (user_offset > object_offset || + object_offset > tr->data_size || binder_alloc_copy_user_to_buffer( &target_proc->alloc, t->buffer, user_offset, From 38cd8bde8ace3c18d99244b3b1dfaffaf9fd2966 Mon Sep 17 00:00:00 2001 From: Geert Uytterhoeven Date: Mon, 2 Sep 2024 15:25:09 +0100 Subject: [PATCH 663/702] nvmem: Fix return type of devm_nvmem_device_get() in kerneldoc commit c69f37f6559a8948d70badd2b179db7714dedd62 upstream. devm_nvmem_device_get() returns an nvmem device, not an nvmem cell. Fixes: e2a5402ec7c6d044 ("nvmem: Add nvmem_device based consumer apis.") Cc: stable Signed-off-by: Geert Uytterhoeven Signed-off-by: Srinivas Kandagatla Link: https://lore.kernel.org/r/20240902142510.71096-3-srinivas.kandagatla@linaro.org Signed-off-by: Greg Kroah-Hartman --- drivers/nvmem/core.c | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) diff --git a/drivers/nvmem/core.c b/drivers/nvmem/core.c index 1505c745154e..45a10c15186b 100644 --- a/drivers/nvmem/core.c +++ b/drivers/nvmem/core.c @@ -962,13 +962,13 @@ void nvmem_device_put(struct nvmem_device *nvmem) EXPORT_SYMBOL_GPL(nvmem_device_put); /** - * devm_nvmem_device_get() - Get nvmem cell of device form a given id + * devm_nvmem_device_get() - Get nvmem device of device form a given id * * @dev: Device that requests the nvmem device. * @id: name id for the requested nvmem device. * - * Return: ERR_PTR() on error or a valid pointer to a struct nvmem_cell - * on success. The nvmem_cell will be freed by the automatically once the + * Return: ERR_PTR() on error or a valid pointer to a struct nvmem_device + * on success. The nvmem_device will be freed by the automatically once the * device is freed. */ struct nvmem_device *devm_nvmem_device_get(struct device *dev, const char *id) From 1d8e020e51ab07e40f9dd00b52f1da7d96fec04c Mon Sep 17 00:00:00 2001 From: Saurabh Sengar Date: Thu, 29 Aug 2024 12:43:11 +0530 Subject: [PATCH 664/702] uio_hv_generic: Fix kernel NULL pointer dereference in hv_uio_rescind commit fb1adbd7e50f3d2de56d0a2bb0700e2e819a329e upstream. For primary VM Bus channels, primary_channel pointer is always NULL. This pointer is valid only for the secondary channels. Also, rescind callback is meant for primary channels only. Fix NULL pointer dereference by retrieving the device_obj from the parent for the primary channel. Cc: stable@vger.kernel.org Fixes: ca3cda6fcf1e ("uio_hv_generic: add rescind support") Signed-off-by: Saurabh Sengar Signed-off-by: Naman Jain Link: https://lore.kernel.org/r/20240829071312.1595-2-namjain@linux.microsoft.com Signed-off-by: Greg Kroah-Hartman --- drivers/uio/uio_hv_generic.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/drivers/uio/uio_hv_generic.c b/drivers/uio/uio_hv_generic.c index c31febe90d4e..a09e062b8e30 100644 --- a/drivers/uio/uio_hv_generic.c +++ b/drivers/uio/uio_hv_generic.c @@ -104,10 +104,11 @@ static void hv_uio_channel_cb(void *context) /* * Callback from vmbus_event when channel is rescinded. + * It is meant for rescind of primary channels only. */ static void hv_uio_rescind(struct vmbus_channel *channel) { - struct hv_device *hv_dev = channel->primary_channel->device_obj; + struct hv_device *hv_dev = channel->device_obj; struct hv_uio_private_data *pdata = hv_get_drvdata(hv_dev); /* From 359ea5edc9198a50b3be99d77a380deca19e579a Mon Sep 17 00:00:00 2001 From: Naman Jain Date: Thu, 29 Aug 2024 12:43:12 +0530 Subject: [PATCH 665/702] Drivers: hv: vmbus: Fix rescind handling in uio_hv_generic commit 6fd28941447bf2c8ca0f26fda612a1cabc41663f upstream. Rescind offer handling relies on rescind callbacks for some of the resources cleanup, if they are registered. It does not unregister vmbus device for the primary channel closure, when callback is registered. Without it, next onoffer does not come, rescind flag remains set and device goes to unusable state. Add logic to unregister vmbus for the primary channel in rescind callback to ensure channel removal and relid release, and to ensure that next onoffer can be received and handled properly. Cc: stable@vger.kernel.org Fixes: ca3cda6fcf1e ("uio_hv_generic: add rescind support") Signed-off-by: Naman Jain Reviewed-by: Saurabh Sengar Link: https://lore.kernel.org/r/20240829071312.1595-3-namjain@linux.microsoft.com Signed-off-by: Greg Kroah-Hartman --- drivers/hv/vmbus_drv.c | 1 + drivers/uio/uio_hv_generic.c | 8 ++++++++ 2 files changed, 9 insertions(+) diff --git a/drivers/hv/vmbus_drv.c b/drivers/hv/vmbus_drv.c index e99400f3ae1d..39339b152b8b 100644 --- a/drivers/hv/vmbus_drv.c +++ b/drivers/hv/vmbus_drv.c @@ -1965,6 +1965,7 @@ int vmbus_add_channel_kobj(struct hv_device *dev, struct vmbus_channel *channel) return 0; } +EXPORT_SYMBOL_GPL(vmbus_device_unregister); /* * vmbus_remove_channel_attr_group - remove the channel's attribute group diff --git a/drivers/uio/uio_hv_generic.c b/drivers/uio/uio_hv_generic.c index a09e062b8e30..3343cac60737 100644 --- a/drivers/uio/uio_hv_generic.c +++ b/drivers/uio/uio_hv_generic.c @@ -119,6 +119,14 @@ static void hv_uio_rescind(struct vmbus_channel *channel) /* Wake up reader */ uio_event_notify(&pdata->info); + + /* + * With rescind callback registered, rescind path will not unregister the device + * from vmbus when the primary channel is rescinded. + * Without it, rescind handling is incomplete and next onoffer msg does not come. + * Unregister the device from vmbus here. + */ + vmbus_device_unregister(channel->device_obj); } /* Sysfs API to allow mmap of the ring buffers From 6c563a29857aa8053b67ee141191f69757f27f6e Mon Sep 17 00:00:00 2001 From: David Fernandez Gonzalez Date: Wed, 28 Aug 2024 15:43:37 +0000 Subject: [PATCH 666/702] VMCI: Fix use-after-free when removing resource in vmci_resource_remove() commit 48b9a8dabcc3cf5f961b2ebcd8933bf9204babb7 upstream. When removing a resource from vmci_resource_table in vmci_resource_remove(), the search is performed using the resource handle by comparing context and resource fields. It is possible though to create two resources with different types but same handle (same context and resource fields). When trying to remove one of the resources, vmci_resource_remove() may not remove the intended one, but the object will still be freed as in the case of the datagram type in vmci_datagram_destroy_handle(). vmci_resource_table will still hold a pointer to this freed resource leading to a use-after-free vulnerability. BUG: KASAN: use-after-free in vmci_handle_is_equal include/linux/vmw_vmci_defs.h:142 [inline] BUG: KASAN: use-after-free in vmci_resource_remove+0x3a1/0x410 drivers/misc/vmw_vmci/vmci_resource.c:147 Read of size 4 at addr ffff88801c16d800 by task syz-executor197/1592 Call Trace: __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0x82/0xa9 lib/dump_stack.c:106 print_address_description.constprop.0+0x21/0x366 mm/kasan/report.c:239 __kasan_report.cold+0x7f/0x132 mm/kasan/report.c:425 kasan_report+0x38/0x51 mm/kasan/report.c:442 vmci_handle_is_equal include/linux/vmw_vmci_defs.h:142 [inline] vmci_resource_remove+0x3a1/0x410 drivers/misc/vmw_vmci/vmci_resource.c:147 vmci_qp_broker_detach+0x89a/0x11b9 drivers/misc/vmw_vmci/vmci_queue_pair.c:2182 ctx_free_ctx+0x473/0xbe1 drivers/misc/vmw_vmci/vmci_context.c:444 kref_put include/linux/kref.h:65 [inline] vmci_ctx_put drivers/misc/vmw_vmci/vmci_context.c:497 [inline] vmci_ctx_destroy+0x170/0x1d6 drivers/misc/vmw_vmci/vmci_context.c:195 vmci_host_close+0x125/0x1ac drivers/misc/vmw_vmci/vmci_host.c:143 __fput+0x261/0xa34 fs/file_table.c:282 task_work_run+0xf0/0x194 kernel/task_work.c:164 tracehook_notify_resume include/linux/tracehook.h:189 [inline] exit_to_user_mode_loop+0x184/0x189 kernel/entry/common.c:187 exit_to_user_mode_prepare+0x11b/0x123 kernel/entry/common.c:220 __syscall_exit_to_user_mode_work kernel/entry/common.c:302 [inline] syscall_exit_to_user_mode+0x18/0x42 kernel/entry/common.c:313 do_syscall_64+0x41/0x85 arch/x86/entry/common.c:86 entry_SYSCALL_64_after_hwframe+0x6e/0x0 This change ensures the type is also checked when removing the resource from vmci_resource_table in vmci_resource_remove(). Fixes: bc63dedb7d46 ("VMCI: resource object implementation.") Cc: stable@vger.kernel.org Reported-by: George Kennedy Signed-off-by: David Fernandez Gonzalez Link: https://lore.kernel.org/r/20240828154338.754746-1-david.fernandez.gonzalez@oracle.com Signed-off-by: Greg Kroah-Hartman --- drivers/misc/vmw_vmci/vmci_resource.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/drivers/misc/vmw_vmci/vmci_resource.c b/drivers/misc/vmw_vmci/vmci_resource.c index 692daa9eff34..19c9d2cdd277 100644 --- a/drivers/misc/vmw_vmci/vmci_resource.c +++ b/drivers/misc/vmw_vmci/vmci_resource.c @@ -144,7 +144,8 @@ void vmci_resource_remove(struct vmci_resource *resource) spin_lock(&vmci_resource_table.lock); hlist_for_each_entry(r, &vmci_resource_table.entries[idx], node) { - if (vmci_handle_is_equal(r->handle, resource->handle)) { + if (vmci_handle_is_equal(r->handle, resource->handle) && + resource->type == r->type) { hlist_del_init_rcu(&r->node); break; } From cf6ffb16884f6dd44d6d4bd1307b227f4d5760dd Mon Sep 17 00:00:00 2001 From: Jacky Bai Date: Thu, 25 Jul 2024 15:33:54 -0400 Subject: [PATCH 667/702] clocksource/drivers/imx-tpm: Fix return -ETIME when delta exceeds INT_MAX commit 5b8843fcd49827813da80c0f590a17ae4ce93c5d upstream. In tpm_set_next_event(delta), return -ETIME by wrong cast to int when delta is larger than INT_MAX. For example: tpm_set_next_event(delta = 0xffff_fffe) { ... next = tpm_read_counter(); // assume next is 0x10 next += delta; // next will 0xffff_fffe + 0x10 = 0x1_0000_000e now = tpm_read_counter(); // now is 0x10 ... return (int)(next - now) <= 0 ? -ETIME : 0; ^^^^^^^^^^ 0x1_0000_000e - 0x10 = 0xffff_fffe, which is -2 when cast to int. So return -ETIME. } To fix this, introduce a 'prev' variable and check if 'now - prev' is larger than delta. Cc: stable@vger.kernel.org Fixes: 059ab7b82eec ("clocksource/drivers/imx-tpm: Add imx tpm timer support") Signed-off-by: Jacky Bai Reviewed-by: Peng Fan Reviewed-by: Ye Li Reviewed-by: Jason Liu Signed-off-by: Frank Li Link: https://lore.kernel.org/r/20240725193355.1436005-1-Frank.Li@nxp.com Signed-off-by: Daniel Lezcano Signed-off-by: Greg Kroah-Hartman --- drivers/clocksource/timer-imx-tpm.c | 8 ++++---- 1 file changed, 4 insertions(+), 4 deletions(-) diff --git a/drivers/clocksource/timer-imx-tpm.c b/drivers/clocksource/timer-imx-tpm.c index 2cdc077a39f5..55abda30d663 100644 --- a/drivers/clocksource/timer-imx-tpm.c +++ b/drivers/clocksource/timer-imx-tpm.c @@ -83,10 +83,10 @@ static u64 notrace tpm_read_sched_clock(void) static int tpm_set_next_event(unsigned long delta, struct clock_event_device *evt) { - unsigned long next, now; + unsigned long next, prev, now; - next = tpm_read_counter(); - next += delta; + prev = tpm_read_counter(); + next = prev + delta; writel(next, timer_base + TPM_C0V); now = tpm_read_counter(); @@ -96,7 +96,7 @@ static int tpm_set_next_event(unsigned long delta, * of writing CNT registers which may cause the min_delta event got * missed, so we need add a ETIME check here in case it happened. */ - return (int)(next - now) <= 0 ? -ETIME : 0; + return (now - prev) >= delta ? -ETIME : 0; } static int tpm_set_state_oneshot(struct clock_event_device *evt) From 3ded318cf06f035a9dd379b275cf6f8db4797516 Mon Sep 17 00:00:00 2001 From: Jacky Bai Date: Thu, 25 Jul 2024 15:33:55 -0400 Subject: [PATCH 668/702] clocksource/drivers/imx-tpm: Fix next event not taking effect sometime commit 3d5c2f8e75a55cfb11a85086c71996af0354a1fb upstream. The value written into the TPM CnV can only be updated into the hardware when the counter increases. Additional writes to the CnV write buffer are ignored until the register has been updated. Therefore, we need to check if the CnV has been updated before continuing. This may require waiting for 1 counter cycle in the worst case. Cc: stable@vger.kernel.org Fixes: 059ab7b82eec ("clocksource/drivers/imx-tpm: Add imx tpm timer support") Signed-off-by: Jacky Bai Reviewed-by: Peng Fan Reviewed-by: Ye Li Reviewed-by: Jason Liu Signed-off-by: Frank Li Link: https://lore.kernel.org/r/20240725193355.1436005-2-Frank.Li@nxp.com Signed-off-by: Daniel Lezcano Signed-off-by: Greg Kroah-Hartman --- drivers/clocksource/timer-imx-tpm.c | 8 ++++++++ 1 file changed, 8 insertions(+) diff --git a/drivers/clocksource/timer-imx-tpm.c b/drivers/clocksource/timer-imx-tpm.c index 55abda30d663..9f0aeda4031f 100644 --- a/drivers/clocksource/timer-imx-tpm.c +++ b/drivers/clocksource/timer-imx-tpm.c @@ -90,6 +90,14 @@ static int tpm_set_next_event(unsigned long delta, writel(next, timer_base + TPM_C0V); now = tpm_read_counter(); + /* + * Need to wait CNT increase at least 1 cycle to make sure + * the C0V has been updated into HW. + */ + if ((next & 0xffffffff) != readl(timer_base + TPM_C0V)) + while (now == tpm_read_counter()) + ; + /* * NOTE: We observed in a very small probability, the bus fabric * contention between GPU and A7 may results a few cycles delay From 0af6b80dace1df6bc947b9f28bf2251be85d1ab0 Mon Sep 17 00:00:00 2001 From: Daniel Lezcano Date: Mon, 19 Aug 2024 12:03:35 +0200 Subject: [PATCH 669/702] clocksource/drivers/timer-of: Remove percpu irq related code MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit commit 471ef0b5a8aaca4296108e756b970acfc499ede4 upstream. GCC's named address space checks errors out with: drivers/clocksource/timer-of.c: In function ‘timer_of_irq_exit’: drivers/clocksource/timer-of.c:29:46: error: passing argument 2 of ‘free_percpu_irq’ from pointer to non-enclosed address space 29 | free_percpu_irq(of_irq->irq, clkevt); | ^~~~~~ In file included from drivers/clocksource/timer-of.c:8: ./include/linux/interrupt.h:201:43: note: expected ‘__seg_gs void *’ but argument is of type ‘struct clock_event_device *’ 201 | extern void free_percpu_irq(unsigned int, void __percpu *); | ^~~~~~~~~~~~~~~ drivers/clocksource/timer-of.c: In function ‘timer_of_irq_init’: drivers/clocksource/timer-of.c:74:51: error: passing argument 4 of ‘request_percpu_irq’ from pointer to non-enclosed address space 74 | np->full_name, clkevt) : | ^~~~~~ ./include/linux/interrupt.h:190:56: note: expected ‘__seg_gs void *’ but argument is of type ‘struct clock_event_device *’ 190 | const char *devname, void __percpu *percpu_dev_id) Sparse warns about: timer-of.c:29:46: warning: incorrect type in argument 2 (different address spaces) timer-of.c:29:46: expected void [noderef] __percpu * timer-of.c:29:46: got struct clock_event_device *clkevt timer-of.c:74:51: warning: incorrect type in argument 4 (different address spaces) timer-of.c:74:51: expected void [noderef] __percpu *percpu_dev_id timer-of.c:74:51: got struct clock_event_device *clkevt It appears the code is incorrect as reported by Uros Bizjak: "The referred code is questionable as it tries to reuse the clkevent pointer once as percpu pointer and once as generic pointer, which should be avoided." This change removes the percpu related code as no drivers is using it. [Daniel: Fixed the description] Fixes: dc11bae785295 ("clocksource/drivers: Add timer-of common init routine") Reported-by: Uros Bizjak Tested-by: Uros Bizjak Link: https://lore.kernel.org/r/20240819100335.2394751-1-daniel.lezcano@linaro.org Signed-off-by: Daniel Lezcano Signed-off-by: Greg Kroah-Hartman --- drivers/clocksource/timer-of.c | 17 ++++------------- drivers/clocksource/timer-of.h | 1 - 2 files changed, 4 insertions(+), 14 deletions(-) diff --git a/drivers/clocksource/timer-of.c b/drivers/clocksource/timer-of.c index b965f20174e3..411f16c4de05 100644 --- a/drivers/clocksource/timer-of.c +++ b/drivers/clocksource/timer-of.c @@ -25,10 +25,7 @@ static __init void timer_of_irq_exit(struct of_timer_irq *of_irq) struct clock_event_device *clkevt = &to->clkevt; - if (of_irq->percpu) - free_percpu_irq(of_irq->irq, clkevt); - else - free_irq(of_irq->irq, clkevt); + free_irq(of_irq->irq, clkevt); } /** @@ -42,9 +39,6 @@ static __init void timer_of_irq_exit(struct of_timer_irq *of_irq) * - Get interrupt number by name * - Get interrupt number by index * - * When the interrupt is per CPU, 'request_percpu_irq()' is called, - * otherwise 'request_irq()' is used. - * * Returns 0 on success, < 0 otherwise */ static __init int timer_of_irq_init(struct device_node *np, @@ -69,12 +63,9 @@ static __init int timer_of_irq_init(struct device_node *np, return -EINVAL; } - ret = of_irq->percpu ? - request_percpu_irq(of_irq->irq, of_irq->handler, - np->full_name, clkevt) : - request_irq(of_irq->irq, of_irq->handler, - of_irq->flags ? of_irq->flags : IRQF_TIMER, - np->full_name, clkevt); + ret = request_irq(of_irq->irq, of_irq->handler, + of_irq->flags ? of_irq->flags : IRQF_TIMER, + np->full_name, clkevt); if (ret) { pr_err("Failed to request irq %d for %pOF\n", of_irq->irq, np); return ret; diff --git a/drivers/clocksource/timer-of.h b/drivers/clocksource/timer-of.h index a5478f3e8589..01a2c6b7db06 100644 --- a/drivers/clocksource/timer-of.h +++ b/drivers/clocksource/timer-of.h @@ -11,7 +11,6 @@ struct of_timer_irq { int irq; int index; - int percpu; const char *name; unsigned long flags; irq_handler_t handler; From 0f511f2840cda7116f69144861641c71bf7d648f Mon Sep 17 00:00:00 2001 From: Sven Schnelle Date: Tue, 3 Sep 2024 12:23:12 +0200 Subject: [PATCH 670/702] uprobes: Use kzalloc to allocate xol area commit e240b0fde52f33670d1336697c22d90a4fe33c84 upstream. To prevent unitialized members, use kzalloc to allocate the xol area. Fixes: b059a453b1cf1 ("x86/vdso: Add mremap hook to vm_special_mapping") Signed-off-by: Sven Schnelle Signed-off-by: Peter Zijlstra (Intel) Acked-by: Oleg Nesterov Link: https://lore.kernel.org/r/20240903102313.3402529-1-svens@linux.ibm.com Signed-off-by: Greg Kroah-Hartman --- kernel/events/uprobes.c | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-) diff --git a/kernel/events/uprobes.c b/kernel/events/uprobes.c index 826a2355da1e..e91d6aac9855 100644 --- a/kernel/events/uprobes.c +++ b/kernel/events/uprobes.c @@ -1485,7 +1485,7 @@ static struct xol_area *__create_xol_area(unsigned long vaddr) uprobe_opcode_t insn = UPROBE_SWBP_INSN; struct xol_area *area; - area = kmalloc(sizeof(*area), GFP_KERNEL); + area = kzalloc(sizeof(*area), GFP_KERNEL); if (unlikely(!area)) goto out; @@ -1495,7 +1495,6 @@ static struct xol_area *__create_xol_area(unsigned long vaddr) goto free_area; area->xol_mapping.name = "[uprobes]"; - area->xol_mapping.fault = NULL; area->xol_mapping.pages = area->pages; area->pages[0] = alloc_page(GFP_HIGHUSER); if (!area->pages[0]) From 7882923f1cb88dc1a17f2bf0c81b1fc80d44db82 Mon Sep 17 00:00:00 2001 From: Peter Zijlstra Date: Mon, 2 Sep 2024 10:14:24 +0200 Subject: [PATCH 671/702] perf/aux: Fix AUX buffer serialization commit 2ab9d830262c132ab5db2f571003d80850d56b2a upstream. Ole reported that event->mmap_mutex is strictly insufficient to serialize the AUX buffer, add a per RB mutex to fully serialize it. Note that in the lock order comment the perf_event::mmap_mutex order was already wrong, that is, it nesting under mmap_lock is not new with this patch. Fixes: 45bfb2e50471 ("perf: Add AUX area to ring buffer for raw data streams") Reported-by: Ole Signed-off-by: Peter Zijlstra (Intel) Signed-off-by: Ingo Molnar Signed-off-by: Greg Kroah-Hartman --- kernel/events/core.c | 18 ++++++++++++------ kernel/events/internal.h | 1 + kernel/events/ring_buffer.c | 2 ++ 3 files changed, 15 insertions(+), 6 deletions(-) diff --git a/kernel/events/core.c b/kernel/events/core.c index b60325cc8604..55033d6c0577 100644 --- a/kernel/events/core.c +++ b/kernel/events/core.c @@ -1366,8 +1366,9 @@ static void put_ctx(struct perf_event_context *ctx) * perf_event_context::mutex * perf_event::child_mutex; * perf_event_context::lock - * perf_event::mmap_mutex * mmap_lock + * perf_event::mmap_mutex + * perf_buffer::aux_mutex * perf_addr_filters_head::lock * * cpu_hotplug_lock @@ -6091,12 +6092,11 @@ static void perf_mmap_close(struct vm_area_struct *vma) event->pmu->event_unmapped(event, vma->vm_mm); /* - * rb->aux_mmap_count will always drop before rb->mmap_count and - * event->mmap_count, so it is ok to use event->mmap_mutex to - * serialize with perf_mmap here. + * The AUX buffer is strictly a sub-buffer, serialize using aux_mutex + * to avoid complications. */ if (rb_has_aux(rb) && vma->vm_pgoff == rb->aux_pgoff && - atomic_dec_and_mutex_lock(&rb->aux_mmap_count, &event->mmap_mutex)) { + atomic_dec_and_mutex_lock(&rb->aux_mmap_count, &rb->aux_mutex)) { /* * Stop all AUX events that are writing to this buffer, * so that we can free its AUX pages and corresponding PMU @@ -6113,7 +6113,7 @@ static void perf_mmap_close(struct vm_area_struct *vma) rb_free_aux(rb); WARN_ON_ONCE(refcount_read(&rb->aux_refcount)); - mutex_unlock(&event->mmap_mutex); + mutex_unlock(&rb->aux_mutex); } if (atomic_dec_and_test(&rb->mmap_count)) @@ -6201,6 +6201,7 @@ static int perf_mmap(struct file *file, struct vm_area_struct *vma) struct perf_event *event = file->private_data; unsigned long user_locked, user_lock_limit; struct user_struct *user = current_user(); + struct mutex *aux_mutex = NULL; struct perf_buffer *rb = NULL; unsigned long locked, lock_limit; unsigned long vma_size; @@ -6249,6 +6250,9 @@ static int perf_mmap(struct file *file, struct vm_area_struct *vma) if (!rb) goto aux_unlock; + aux_mutex = &rb->aux_mutex; + mutex_lock(aux_mutex); + aux_offset = READ_ONCE(rb->user_page->aux_offset); aux_size = READ_ONCE(rb->user_page->aux_size); @@ -6399,6 +6403,8 @@ static int perf_mmap(struct file *file, struct vm_area_struct *vma) atomic_dec(&rb->mmap_count); } aux_unlock: + if (aux_mutex) + mutex_unlock(aux_mutex); mutex_unlock(&event->mmap_mutex); /* diff --git a/kernel/events/internal.h b/kernel/events/internal.h index 8e63cc2bd4f7..6f4a7bb2b228 100644 --- a/kernel/events/internal.h +++ b/kernel/events/internal.h @@ -40,6 +40,7 @@ struct perf_buffer { struct user_struct *mmap_user; /* AUX area */ + struct mutex aux_mutex; long aux_head; unsigned int aux_nest; long aux_wakeup; /* last aux_watermark boundary crossed by aux_head */ diff --git a/kernel/events/ring_buffer.c b/kernel/events/ring_buffer.c index ca27946fdaaf..ffca72b8c4c6 100644 --- a/kernel/events/ring_buffer.c +++ b/kernel/events/ring_buffer.c @@ -332,6 +332,8 @@ ring_buffer_init(struct perf_buffer *rb, long watermark, int flags) */ if (!rb->nr_pages) rb->paused = 1; + + mutex_init(&rb->aux_mutex); } void perf_aux_output_flag(struct perf_output_handle *handle, u64 flags) From 0630e3d435c5012a208a5e913cf53f43f89d6c9e Mon Sep 17 00:00:00 2001 From: Qing Wang Date: Mon, 8 Nov 2021 18:34:58 -0800 Subject: [PATCH 672/702] nilfs2: replace snprintf in show functions with sysfs_emit [ Upstream commit 3bcd6c5bd483287f4a09d3d59a012d47677b6edc ] Patch series "nilfs2 updates". This patch (of 2): coccicheck complains about the use of snprintf() in sysfs show functions. Fix the coccicheck warning: WARNING: use scnprintf or sprintf. Use sysfs_emit instead of scnprintf or sprintf makes more sense. Link: https://lkml.kernel.org/r/1635151862-11547-1-git-send-email-konishi.ryusuke@gmail.com Link: https://lkml.kernel.org/r/1634095759-4625-1-git-send-email-wangqing@vivo.com Link: https://lkml.kernel.org/r/1635151862-11547-2-git-send-email-konishi.ryusuke@gmail.com Signed-off-by: Qing Wang Signed-off-by: Ryusuke Konishi Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds Stable-dep-of: 683408258917 ("nilfs2: protect references to superblock parameters exposed in sysfs") Signed-off-by: Sasha Levin --- fs/nilfs2/sysfs.c | 76 +++++++++++++++++++++++------------------------ 1 file changed, 38 insertions(+), 38 deletions(-) diff --git a/fs/nilfs2/sysfs.c b/fs/nilfs2/sysfs.c index 57afd06db62d..63ab8f9e6db3 100644 --- a/fs/nilfs2/sysfs.c +++ b/fs/nilfs2/sysfs.c @@ -108,7 +108,7 @@ static ssize_t nilfs_snapshot_inodes_count_show(struct nilfs_snapshot_attr *attr, struct nilfs_root *root, char *buf) { - return snprintf(buf, PAGE_SIZE, "%llu\n", + return sysfs_emit(buf, "%llu\n", (unsigned long long)atomic64_read(&root->inodes_count)); } @@ -116,7 +116,7 @@ static ssize_t nilfs_snapshot_blocks_count_show(struct nilfs_snapshot_attr *attr, struct nilfs_root *root, char *buf) { - return snprintf(buf, PAGE_SIZE, "%llu\n", + return sysfs_emit(buf, "%llu\n", (unsigned long long)atomic64_read(&root->blocks_count)); } @@ -129,7 +129,7 @@ static ssize_t nilfs_snapshot_README_show(struct nilfs_snapshot_attr *attr, struct nilfs_root *root, char *buf) { - return snprintf(buf, PAGE_SIZE, snapshot_readme_str); + return sysfs_emit(buf, snapshot_readme_str); } NILFS_SNAPSHOT_RO_ATTR(inodes_count); @@ -230,7 +230,7 @@ static ssize_t nilfs_mounted_snapshots_README_show(struct nilfs_mounted_snapshots_attr *attr, struct the_nilfs *nilfs, char *buf) { - return snprintf(buf, PAGE_SIZE, mounted_snapshots_readme_str); + return sysfs_emit(buf, mounted_snapshots_readme_str); } NILFS_MOUNTED_SNAPSHOTS_RO_ATTR(README); @@ -268,7 +268,7 @@ nilfs_checkpoints_checkpoints_number_show(struct nilfs_checkpoints_attr *attr, ncheckpoints = cpstat.cs_ncps; - return snprintf(buf, PAGE_SIZE, "%llu\n", ncheckpoints); + return sysfs_emit(buf, "%llu\n", ncheckpoints); } static ssize_t @@ -291,7 +291,7 @@ nilfs_checkpoints_snapshots_number_show(struct nilfs_checkpoints_attr *attr, nsnapshots = cpstat.cs_nsss; - return snprintf(buf, PAGE_SIZE, "%llu\n", nsnapshots); + return sysfs_emit(buf, "%llu\n", nsnapshots); } static ssize_t @@ -305,7 +305,7 @@ nilfs_checkpoints_last_seg_checkpoint_show(struct nilfs_checkpoints_attr *attr, last_cno = nilfs->ns_last_cno; spin_unlock(&nilfs->ns_last_segment_lock); - return snprintf(buf, PAGE_SIZE, "%llu\n", last_cno); + return sysfs_emit(buf, "%llu\n", last_cno); } static ssize_t @@ -319,7 +319,7 @@ nilfs_checkpoints_next_checkpoint_show(struct nilfs_checkpoints_attr *attr, cno = nilfs->ns_cno; up_read(&nilfs->ns_segctor_sem); - return snprintf(buf, PAGE_SIZE, "%llu\n", cno); + return sysfs_emit(buf, "%llu\n", cno); } static const char checkpoints_readme_str[] = @@ -335,7 +335,7 @@ static ssize_t nilfs_checkpoints_README_show(struct nilfs_checkpoints_attr *attr, struct the_nilfs *nilfs, char *buf) { - return snprintf(buf, PAGE_SIZE, checkpoints_readme_str); + return sysfs_emit(buf, checkpoints_readme_str); } NILFS_CHECKPOINTS_RO_ATTR(checkpoints_number); @@ -366,7 +366,7 @@ nilfs_segments_segments_number_show(struct nilfs_segments_attr *attr, struct the_nilfs *nilfs, char *buf) { - return snprintf(buf, PAGE_SIZE, "%lu\n", nilfs->ns_nsegments); + return sysfs_emit(buf, "%lu\n", nilfs->ns_nsegments); } static ssize_t @@ -374,7 +374,7 @@ nilfs_segments_blocks_per_segment_show(struct nilfs_segments_attr *attr, struct the_nilfs *nilfs, char *buf) { - return snprintf(buf, PAGE_SIZE, "%lu\n", nilfs->ns_blocks_per_segment); + return sysfs_emit(buf, "%lu\n", nilfs->ns_blocks_per_segment); } static ssize_t @@ -388,7 +388,7 @@ nilfs_segments_clean_segments_show(struct nilfs_segments_attr *attr, ncleansegs = nilfs_sufile_get_ncleansegs(nilfs->ns_sufile); up_read(&NILFS_MDT(nilfs->ns_dat)->mi_sem); - return snprintf(buf, PAGE_SIZE, "%lu\n", ncleansegs); + return sysfs_emit(buf, "%lu\n", ncleansegs); } static ssize_t @@ -408,7 +408,7 @@ nilfs_segments_dirty_segments_show(struct nilfs_segments_attr *attr, return err; } - return snprintf(buf, PAGE_SIZE, "%llu\n", sustat.ss_ndirtysegs); + return sysfs_emit(buf, "%llu\n", sustat.ss_ndirtysegs); } static const char segments_readme_str[] = @@ -424,7 +424,7 @@ nilfs_segments_README_show(struct nilfs_segments_attr *attr, struct the_nilfs *nilfs, char *buf) { - return snprintf(buf, PAGE_SIZE, segments_readme_str); + return sysfs_emit(buf, segments_readme_str); } NILFS_SEGMENTS_RO_ATTR(segments_number); @@ -461,7 +461,7 @@ nilfs_segctor_last_pseg_block_show(struct nilfs_segctor_attr *attr, last_pseg = nilfs->ns_last_pseg; spin_unlock(&nilfs->ns_last_segment_lock); - return snprintf(buf, PAGE_SIZE, "%llu\n", + return sysfs_emit(buf, "%llu\n", (unsigned long long)last_pseg); } @@ -476,7 +476,7 @@ nilfs_segctor_last_seg_sequence_show(struct nilfs_segctor_attr *attr, last_seq = nilfs->ns_last_seq; spin_unlock(&nilfs->ns_last_segment_lock); - return snprintf(buf, PAGE_SIZE, "%llu\n", last_seq); + return sysfs_emit(buf, "%llu\n", last_seq); } static ssize_t @@ -490,7 +490,7 @@ nilfs_segctor_last_seg_checkpoint_show(struct nilfs_segctor_attr *attr, last_cno = nilfs->ns_last_cno; spin_unlock(&nilfs->ns_last_segment_lock); - return snprintf(buf, PAGE_SIZE, "%llu\n", last_cno); + return sysfs_emit(buf, "%llu\n", last_cno); } static ssize_t @@ -504,7 +504,7 @@ nilfs_segctor_current_seg_sequence_show(struct nilfs_segctor_attr *attr, seg_seq = nilfs->ns_seg_seq; up_read(&nilfs->ns_segctor_sem); - return snprintf(buf, PAGE_SIZE, "%llu\n", seg_seq); + return sysfs_emit(buf, "%llu\n", seg_seq); } static ssize_t @@ -518,7 +518,7 @@ nilfs_segctor_current_last_full_seg_show(struct nilfs_segctor_attr *attr, segnum = nilfs->ns_segnum; up_read(&nilfs->ns_segctor_sem); - return snprintf(buf, PAGE_SIZE, "%llu\n", segnum); + return sysfs_emit(buf, "%llu\n", segnum); } static ssize_t @@ -532,7 +532,7 @@ nilfs_segctor_next_full_seg_show(struct nilfs_segctor_attr *attr, nextnum = nilfs->ns_nextnum; up_read(&nilfs->ns_segctor_sem); - return snprintf(buf, PAGE_SIZE, "%llu\n", nextnum); + return sysfs_emit(buf, "%llu\n", nextnum); } static ssize_t @@ -546,7 +546,7 @@ nilfs_segctor_next_pseg_offset_show(struct nilfs_segctor_attr *attr, pseg_offset = nilfs->ns_pseg_offset; up_read(&nilfs->ns_segctor_sem); - return snprintf(buf, PAGE_SIZE, "%lu\n", pseg_offset); + return sysfs_emit(buf, "%lu\n", pseg_offset); } static ssize_t @@ -560,7 +560,7 @@ nilfs_segctor_next_checkpoint_show(struct nilfs_segctor_attr *attr, cno = nilfs->ns_cno; up_read(&nilfs->ns_segctor_sem); - return snprintf(buf, PAGE_SIZE, "%llu\n", cno); + return sysfs_emit(buf, "%llu\n", cno); } static ssize_t @@ -588,7 +588,7 @@ nilfs_segctor_last_seg_write_time_secs_show(struct nilfs_segctor_attr *attr, ctime = nilfs->ns_ctime; up_read(&nilfs->ns_segctor_sem); - return snprintf(buf, PAGE_SIZE, "%llu\n", ctime); + return sysfs_emit(buf, "%llu\n", ctime); } static ssize_t @@ -616,7 +616,7 @@ nilfs_segctor_last_nongc_write_time_secs_show(struct nilfs_segctor_attr *attr, nongc_ctime = nilfs->ns_nongc_ctime; up_read(&nilfs->ns_segctor_sem); - return snprintf(buf, PAGE_SIZE, "%llu\n", nongc_ctime); + return sysfs_emit(buf, "%llu\n", nongc_ctime); } static ssize_t @@ -630,7 +630,7 @@ nilfs_segctor_dirty_data_blocks_count_show(struct nilfs_segctor_attr *attr, ndirtyblks = atomic_read(&nilfs->ns_ndirtyblks); up_read(&nilfs->ns_segctor_sem); - return snprintf(buf, PAGE_SIZE, "%u\n", ndirtyblks); + return sysfs_emit(buf, "%u\n", ndirtyblks); } static const char segctor_readme_str[] = @@ -667,7 +667,7 @@ static ssize_t nilfs_segctor_README_show(struct nilfs_segctor_attr *attr, struct the_nilfs *nilfs, char *buf) { - return snprintf(buf, PAGE_SIZE, segctor_readme_str); + return sysfs_emit(buf, segctor_readme_str); } NILFS_SEGCTOR_RO_ATTR(last_pseg_block); @@ -736,7 +736,7 @@ nilfs_superblock_sb_write_time_secs_show(struct nilfs_superblock_attr *attr, sbwtime = nilfs->ns_sbwtime; up_read(&nilfs->ns_sem); - return snprintf(buf, PAGE_SIZE, "%llu\n", sbwtime); + return sysfs_emit(buf, "%llu\n", sbwtime); } static ssize_t @@ -750,7 +750,7 @@ nilfs_superblock_sb_write_count_show(struct nilfs_superblock_attr *attr, sbwcount = nilfs->ns_sbwcount; up_read(&nilfs->ns_sem); - return snprintf(buf, PAGE_SIZE, "%u\n", sbwcount); + return sysfs_emit(buf, "%u\n", sbwcount); } static ssize_t @@ -764,7 +764,7 @@ nilfs_superblock_sb_update_frequency_show(struct nilfs_superblock_attr *attr, sb_update_freq = nilfs->ns_sb_update_freq; up_read(&nilfs->ns_sem); - return snprintf(buf, PAGE_SIZE, "%u\n", sb_update_freq); + return sysfs_emit(buf, "%u\n", sb_update_freq); } static ssize_t @@ -812,7 +812,7 @@ static ssize_t nilfs_superblock_README_show(struct nilfs_superblock_attr *attr, struct the_nilfs *nilfs, char *buf) { - return snprintf(buf, PAGE_SIZE, sb_readme_str); + return sysfs_emit(buf, sb_readme_str); } NILFS_SUPERBLOCK_RO_ATTR(sb_write_time); @@ -847,7 +847,7 @@ ssize_t nilfs_dev_revision_show(struct nilfs_dev_attr *attr, u32 major = le32_to_cpu(sbp[0]->s_rev_level); u16 minor = le16_to_cpu(sbp[0]->s_minor_rev_level); - return snprintf(buf, PAGE_SIZE, "%d.%d\n", major, minor); + return sysfs_emit(buf, "%d.%d\n", major, minor); } static @@ -855,7 +855,7 @@ ssize_t nilfs_dev_blocksize_show(struct nilfs_dev_attr *attr, struct the_nilfs *nilfs, char *buf) { - return snprintf(buf, PAGE_SIZE, "%u\n", nilfs->ns_blocksize); + return sysfs_emit(buf, "%u\n", nilfs->ns_blocksize); } static @@ -866,7 +866,7 @@ ssize_t nilfs_dev_device_size_show(struct nilfs_dev_attr *attr, struct nilfs_super_block **sbp = nilfs->ns_sbp; u64 dev_size = le64_to_cpu(sbp[0]->s_dev_size); - return snprintf(buf, PAGE_SIZE, "%llu\n", dev_size); + return sysfs_emit(buf, "%llu\n", dev_size); } static @@ -877,7 +877,7 @@ ssize_t nilfs_dev_free_blocks_show(struct nilfs_dev_attr *attr, sector_t free_blocks = 0; nilfs_count_free_blocks(nilfs, &free_blocks); - return snprintf(buf, PAGE_SIZE, "%llu\n", + return sysfs_emit(buf, "%llu\n", (unsigned long long)free_blocks); } @@ -888,7 +888,7 @@ ssize_t nilfs_dev_uuid_show(struct nilfs_dev_attr *attr, { struct nilfs_super_block **sbp = nilfs->ns_sbp; - return snprintf(buf, PAGE_SIZE, "%pUb\n", sbp[0]->s_uuid); + return sysfs_emit(buf, "%pUb\n", sbp[0]->s_uuid); } static @@ -916,7 +916,7 @@ static ssize_t nilfs_dev_README_show(struct nilfs_dev_attr *attr, struct the_nilfs *nilfs, char *buf) { - return snprintf(buf, PAGE_SIZE, dev_readme_str); + return sysfs_emit(buf, dev_readme_str); } NILFS_DEV_RO_ATTR(revision); @@ -1060,7 +1060,7 @@ void nilfs_sysfs_delete_device_group(struct the_nilfs *nilfs) static ssize_t nilfs_feature_revision_show(struct kobject *kobj, struct attribute *attr, char *buf) { - return snprintf(buf, PAGE_SIZE, "%d.%d\n", + return sysfs_emit(buf, "%d.%d\n", NILFS_CURRENT_REV, NILFS_MINOR_REV); } @@ -1073,7 +1073,7 @@ static ssize_t nilfs_feature_README_show(struct kobject *kobj, struct attribute *attr, char *buf) { - return snprintf(buf, PAGE_SIZE, features_readme_str); + return sysfs_emit(buf, features_readme_str); } NILFS_FEATURE_RO_ATTR(revision); From 157c0d94b4c40887329418c70ef4edd1a8d6b4ed Mon Sep 17 00:00:00 2001 From: Ryusuke Konishi Date: Sun, 11 Aug 2024 19:03:20 +0900 Subject: [PATCH 673/702] nilfs2: protect references to superblock parameters exposed in sysfs [ Upstream commit 683408258917541bdb294cd717c210a04381931e ] The superblock buffers of nilfs2 can not only be overwritten at runtime for modifications/repairs, but they are also regularly swapped, replaced during resizing, and even abandoned when degrading to one side due to backing device issues. So, accessing them requires mutual exclusion using the reader/writer semaphore "nilfs->ns_sem". Some sysfs attribute show methods read this superblock buffer without the necessary mutual exclusion, which can cause problems with pointer dereferencing and memory access, so fix it. Link: https://lkml.kernel.org/r/20240811100320.9913-1-konishi.ryusuke@gmail.com Fixes: da7141fb78db ("nilfs2: add /sys/fs/nilfs2/ group") Signed-off-by: Ryusuke Konishi Cc: Signed-off-by: Andrew Morton Signed-off-by: Sasha Levin --- fs/nilfs2/sysfs.c | 43 +++++++++++++++++++++++++++++++++---------- 1 file changed, 33 insertions(+), 10 deletions(-) diff --git a/fs/nilfs2/sysfs.c b/fs/nilfs2/sysfs.c index 63ab8f9e6db3..64ea44be0a64 100644 --- a/fs/nilfs2/sysfs.c +++ b/fs/nilfs2/sysfs.c @@ -843,9 +843,15 @@ ssize_t nilfs_dev_revision_show(struct nilfs_dev_attr *attr, struct the_nilfs *nilfs, char *buf) { - struct nilfs_super_block **sbp = nilfs->ns_sbp; - u32 major = le32_to_cpu(sbp[0]->s_rev_level); - u16 minor = le16_to_cpu(sbp[0]->s_minor_rev_level); + struct nilfs_super_block *raw_sb; + u32 major; + u16 minor; + + down_read(&nilfs->ns_sem); + raw_sb = nilfs->ns_sbp[0]; + major = le32_to_cpu(raw_sb->s_rev_level); + minor = le16_to_cpu(raw_sb->s_minor_rev_level); + up_read(&nilfs->ns_sem); return sysfs_emit(buf, "%d.%d\n", major, minor); } @@ -863,8 +869,13 @@ ssize_t nilfs_dev_device_size_show(struct nilfs_dev_attr *attr, struct the_nilfs *nilfs, char *buf) { - struct nilfs_super_block **sbp = nilfs->ns_sbp; - u64 dev_size = le64_to_cpu(sbp[0]->s_dev_size); + struct nilfs_super_block *raw_sb; + u64 dev_size; + + down_read(&nilfs->ns_sem); + raw_sb = nilfs->ns_sbp[0]; + dev_size = le64_to_cpu(raw_sb->s_dev_size); + up_read(&nilfs->ns_sem); return sysfs_emit(buf, "%llu\n", dev_size); } @@ -886,9 +897,15 @@ ssize_t nilfs_dev_uuid_show(struct nilfs_dev_attr *attr, struct the_nilfs *nilfs, char *buf) { - struct nilfs_super_block **sbp = nilfs->ns_sbp; + struct nilfs_super_block *raw_sb; + ssize_t len; - return sysfs_emit(buf, "%pUb\n", sbp[0]->s_uuid); + down_read(&nilfs->ns_sem); + raw_sb = nilfs->ns_sbp[0]; + len = sysfs_emit(buf, "%pUb\n", raw_sb->s_uuid); + up_read(&nilfs->ns_sem); + + return len; } static @@ -896,10 +913,16 @@ ssize_t nilfs_dev_volume_name_show(struct nilfs_dev_attr *attr, struct the_nilfs *nilfs, char *buf) { - struct nilfs_super_block **sbp = nilfs->ns_sbp; + struct nilfs_super_block *raw_sb; + ssize_t len; - return scnprintf(buf, sizeof(sbp[0]->s_volume_name), "%s\n", - sbp[0]->s_volume_name); + down_read(&nilfs->ns_sem); + raw_sb = nilfs->ns_sbp[0]; + len = scnprintf(buf, sizeof(raw_sb->s_volume_name), "%s\n", + raw_sb->s_volume_name); + up_read(&nilfs->ns_sem); + + return len; } static const char dev_readme_str[] = From 5dac987d1bf97232c9ebd14fd8d9222841bf6386 Mon Sep 17 00:00:00 2001 From: Jonathan Cameron Date: Wed, 29 May 2024 14:34:31 +0100 Subject: [PATCH 674/702] ACPI: processor: Return an error if acpi_processor_get_info() fails in processor_add() [ Upstream commit fadf231f0a06a6748a7fc4a2c29ac9ef7bca6bfd ] Rafael observed [1] that returning 0 from processor_add() will result in acpi_default_enumeration() being called which will attempt to create a platform device, but that makes little sense when the processor is known to be not available. So just return the error code from acpi_processor_get_info() instead. Link: https://lore.kernel.org/all/CAJZ5v0iKU8ra9jR+EmgxbuNm=Uwx2m1-8vn_RAZ+aCiUVLe3Pw@mail.gmail.com/ [1] Suggested-by: Rafael J. Wysocki Acked-by: Rafael J. Wysocki Reviewed-by: Gavin Shan Signed-off-by: Jonathan Cameron Link: https://lore.kernel.org/r/20240529133446.28446-5-Jonathan.Cameron@huawei.com Signed-off-by: Catalin Marinas Signed-off-by: Sasha Levin --- drivers/acpi/acpi_processor.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/acpi/acpi_processor.c b/drivers/acpi/acpi_processor.c index 2ee5e05a0d69..9702c1bc5f80 100644 --- a/drivers/acpi/acpi_processor.c +++ b/drivers/acpi/acpi_processor.c @@ -387,7 +387,7 @@ static int acpi_processor_add(struct acpi_device *device, result = acpi_processor_get_info(device); if (result) /* Processor is not physically present or unavailable */ - return 0; + return result; BUG_ON(pr->id >= nr_cpu_ids); From 3658388cd354880bc36c8754008f709c7c29aae6 Mon Sep 17 00:00:00 2001 From: Jonathan Cameron Date: Wed, 29 May 2024 14:34:32 +0100 Subject: [PATCH 675/702] ACPI: processor: Fix memory leaks in error paths of processor_add() [ Upstream commit 47ec9b417ed9b6b8ec2a941cd84d9de62adc358a ] If acpi_processor_get_info() returned an error, pr and the associated pr->throttling.shared_cpu_map were leaked. The unwind code was in the wrong order wrt to setup, relying on some unwind actions having no affect (clearing variables that were never set etc). That makes it harder to reason about so reorder and add appropriate labels to only undo what was actually set up in the first place. Acked-by: Rafael J. Wysocki Reviewed-by: Gavin Shan Signed-off-by: Jonathan Cameron Link: https://lore.kernel.org/r/20240529133446.28446-6-Jonathan.Cameron@huawei.com Signed-off-by: Catalin Marinas Signed-off-by: Sasha Levin --- drivers/acpi/acpi_processor.c | 15 ++++++++------- 1 file changed, 8 insertions(+), 7 deletions(-) diff --git a/drivers/acpi/acpi_processor.c b/drivers/acpi/acpi_processor.c index 9702c1bc5f80..707b2c37e5ee 100644 --- a/drivers/acpi/acpi_processor.c +++ b/drivers/acpi/acpi_processor.c @@ -387,7 +387,7 @@ static int acpi_processor_add(struct acpi_device *device, result = acpi_processor_get_info(device); if (result) /* Processor is not physically present or unavailable */ - return result; + goto err_clear_driver_data; BUG_ON(pr->id >= nr_cpu_ids); @@ -402,7 +402,7 @@ static int acpi_processor_add(struct acpi_device *device, "BIOS reported wrong ACPI id %d for the processor\n", pr->id); /* Give up, but do not abort the namespace scan. */ - goto err; + goto err_clear_driver_data; } /* * processor_device_array is not cleared on errors to allow buggy BIOS @@ -414,12 +414,12 @@ static int acpi_processor_add(struct acpi_device *device, dev = get_cpu_device(pr->id); if (!dev) { result = -ENODEV; - goto err; + goto err_clear_per_cpu; } result = acpi_bind_one(dev, device); if (result) - goto err; + goto err_clear_per_cpu; pr->dev = dev; @@ -430,10 +430,11 @@ static int acpi_processor_add(struct acpi_device *device, dev_err(dev, "Processor driver could not be attached\n"); acpi_unbind_one(dev); - err: - free_cpumask_var(pr->throttling.shared_cpu_map); - device->driver_data = NULL; + err_clear_per_cpu: per_cpu(processors, pr->id) = NULL; + err_clear_driver_data: + device->driver_data = NULL; + free_cpumask_var(pr->throttling.shared_cpu_map); err_free_pr: kfree(pr); return result; From ccb95b37e9573980258b744bb5fee6462b02c30f Mon Sep 17 00:00:00 2001 From: James Morse Date: Wed, 29 May 2024 14:34:38 +0100 Subject: [PATCH 676/702] arm64: acpi: Move get_cpu_for_acpi_id() to a header [ Upstream commit 8d34b6f17b9ac93faa2791eb037dcb08bdf755de ] ACPI identifies CPUs by UID. get_cpu_for_acpi_id() maps the ACPI UID to the Linux CPU number. The helper to retrieve this mapping is only available in arm64's NUMA code. Move it to live next to get_acpi_id_for_cpu(). Signed-off-by: James Morse Reviewed-by: Jonathan Cameron Reviewed-by: Gavin Shan Tested-by: Miguel Luis Tested-by: Vishnu Pajjuri Tested-by: Jianyong Wu Signed-off-by: Russell King (Oracle) Acked-by: Hanjun Guo Signed-off-by: Jonathan Cameron Reviewed-by: Lorenzo Pieralisi Link: https://lore.kernel.org/r/20240529133446.28446-12-Jonathan.Cameron@huawei.com Signed-off-by: Catalin Marinas Signed-off-by: Sasha Levin --- arch/arm64/include/asm/acpi.h | 11 +++++++++++ arch/arm64/kernel/acpi_numa.c | 11 ----------- 2 files changed, 11 insertions(+), 11 deletions(-) diff --git a/arch/arm64/include/asm/acpi.h b/arch/arm64/include/asm/acpi.h index bd68e1b7f29f..0d1da93a5bad 100644 --- a/arch/arm64/include/asm/acpi.h +++ b/arch/arm64/include/asm/acpi.h @@ -97,6 +97,17 @@ static inline u32 get_acpi_id_for_cpu(unsigned int cpu) return acpi_cpu_get_madt_gicc(cpu)->uid; } +static inline int get_cpu_for_acpi_id(u32 uid) +{ + int cpu; + + for (cpu = 0; cpu < nr_cpu_ids; cpu++) + if (uid == get_acpi_id_for_cpu(cpu)) + return cpu; + + return -EINVAL; +} + static inline void arch_fix_phys_package_id(int num, u32 slot) { } void __init acpi_init_cpus(void); int apei_claim_sea(struct pt_regs *regs); diff --git a/arch/arm64/kernel/acpi_numa.c b/arch/arm64/kernel/acpi_numa.c index 048b75cadd2f..c5feac18c238 100644 --- a/arch/arm64/kernel/acpi_numa.c +++ b/arch/arm64/kernel/acpi_numa.c @@ -34,17 +34,6 @@ int __init acpi_numa_get_nid(unsigned int cpu) return acpi_early_node_map[cpu]; } -static inline int get_cpu_for_acpi_id(u32 uid) -{ - int cpu; - - for (cpu = 0; cpu < nr_cpu_ids; cpu++) - if (uid == get_acpi_id_for_cpu(cpu)) - return cpu; - - return -EINVAL; -} - static int __init acpi_parse_gicc_pxm(union acpi_subtable_headers *header, const unsigned long end) { From 4c3b21204abb4fa3ab310fbbb5cf7f0e85f3a1bc Mon Sep 17 00:00:00 2001 From: Jonathan Cameron Date: Wed, 29 May 2024 14:34:39 +0100 Subject: [PATCH 677/702] arm64: acpi: Harden get_cpu_for_acpi_id() against missing CPU entry [ Upstream commit 2488444274c70038eb6b686cba5f1ce48ebb9cdd ] In a review discussion of the changes to support vCPU hotplug where a check was added on the GICC being enabled if was online, it was noted that there is need to map back to the cpu and use that to index into a cpumask. As such, a valid ID is needed. If an MPIDR check fails in acpi_map_gic_cpu_interface() it is possible for the entry in cpu_madt_gicc[cpu] == NULL. This function would then cause a NULL pointer dereference. Whilst a path to trigger this has not been established, harden this caller against the possibility. Reviewed-by: Gavin Shan Signed-off-by: Jonathan Cameron Link: https://lore.kernel.org/r/20240529133446.28446-13-Jonathan.Cameron@huawei.com Signed-off-by: Catalin Marinas Signed-off-by: Sasha Levin --- arch/arm64/include/asm/acpi.h | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/arch/arm64/include/asm/acpi.h b/arch/arm64/include/asm/acpi.h index 0d1da93a5bad..702587fda70c 100644 --- a/arch/arm64/include/asm/acpi.h +++ b/arch/arm64/include/asm/acpi.h @@ -102,7 +102,8 @@ static inline int get_cpu_for_acpi_id(u32 uid) int cpu; for (cpu = 0; cpu < nr_cpu_ids; cpu++) - if (uid == get_acpi_id_for_cpu(cpu)) + if (acpi_cpu_get_madt_gicc(cpu) && + uid == get_acpi_id_for_cpu(cpu)) return cpu; return -EINVAL; From 50632b877ce55356f5d276b9add289b1e7ddc683 Mon Sep 17 00:00:00 2001 From: Maurizio Lombardi Date: Wed, 21 Aug 2024 16:28:26 +0200 Subject: [PATCH 678/702] nvmet-tcp: fix kernel crash if commands allocation fails [ Upstream commit 5572a55a6f830ee3f3a994b6b962a5c327d28cb3 ] If the commands allocation fails in nvmet_tcp_alloc_cmds() the kernel crashes in nvmet_tcp_release_queue_work() because of a NULL pointer dereference. nvmet: failed to install queue 0 cntlid 1 ret 6 Unable to handle kernel NULL pointer dereference at virtual address 0000000000000008 Fix the bug by setting queue->nr_cmds to zero in case nvmet_tcp_alloc_cmd() fails. Fixes: 872d26a391da ("nvmet-tcp: add NVMe over TCP target driver") Signed-off-by: Maurizio Lombardi Reviewed-by: Christoph Hellwig Signed-off-by: Keith Busch Signed-off-by: Sasha Levin --- drivers/nvme/target/tcp.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/drivers/nvme/target/tcp.c b/drivers/nvme/target/tcp.c index e493fc709065..5655f6d81cc0 100644 --- a/drivers/nvme/target/tcp.c +++ b/drivers/nvme/target/tcp.c @@ -1787,8 +1787,10 @@ static u16 nvmet_tcp_install_queue(struct nvmet_sq *sq) } queue->nr_cmds = sq->size * 2; - if (nvmet_tcp_alloc_cmds(queue)) + if (nvmet_tcp_alloc_cmds(queue)) { + queue->nr_cmds = 0; return NVME_SC_INTERNAL; + } return 0; } From b8dfa35f008eac71b6419084bede1bbc351813ff Mon Sep 17 00:00:00 2001 From: Andy Shevchenko Date: Thu, 29 Aug 2024 18:58:37 +0300 Subject: [PATCH 679/702] drm/i915/fence: Mark debug_fence_init_onstack() with __maybe_unused [ Upstream commit fcd9e8afd546f6ced378d078345a89bf346d065e ] When debug_fence_init_onstack() is unused (CONFIG_DRM_I915_SELFTEST=n), it prevents kernel builds with clang, `make W=1` and CONFIG_WERROR=y: .../i915_sw_fence.c:97:20: error: unused function 'debug_fence_init_onstack' [-Werror,-Wunused-function] 97 | static inline void debug_fence_init_onstack(struct i915_sw_fence *fence) | ^~~~~~~~~~~~~~~~~~~~~~~~ Fix this by marking debug_fence_init_onstack() with __maybe_unused. See also commit 6863f5643dd7 ("kbuild: allow Clang to find unused static inline functions for W=1 build"). Fixes: 214707fc2ce0 ("drm/i915/selftests: Wrap a timer into a i915_sw_fence") Signed-off-by: Andy Shevchenko Reviewed-by: Jani Nikula Link: https://patchwork.freedesktop.org/patch/msgid/20240829155950.1141978-2-andriy.shevchenko@linux.intel.com Signed-off-by: Jani Nikula (cherry picked from commit 5bf472058ffb43baf6a4cdfe1d7f58c4c194c688) Signed-off-by: Joonas Lahtinen Signed-off-by: Sasha Levin --- drivers/gpu/drm/i915/i915_sw_fence.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/gpu/drm/i915/i915_sw_fence.c b/drivers/gpu/drm/i915/i915_sw_fence.c index 038d4c6884c5..1c4498c29f25 100644 --- a/drivers/gpu/drm/i915/i915_sw_fence.c +++ b/drivers/gpu/drm/i915/i915_sw_fence.c @@ -44,7 +44,7 @@ static inline void debug_fence_init(struct i915_sw_fence *fence) debug_object_init(fence, &i915_sw_fence_debug_descr); } -static inline void debug_fence_init_onstack(struct i915_sw_fence *fence) +static inline __maybe_unused void debug_fence_init_onstack(struct i915_sw_fence *fence) { debug_object_init_on_stack(fence, &i915_sw_fence_debug_descr); } @@ -87,7 +87,7 @@ static inline void debug_fence_init(struct i915_sw_fence *fence) { } -static inline void debug_fence_init_onstack(struct i915_sw_fence *fence) +static inline __maybe_unused void debug_fence_init_onstack(struct i915_sw_fence *fence) { } From b35d3c8181c58b8992fe7eace7293c7a4e764097 Mon Sep 17 00:00:00 2001 From: Andy Shevchenko Date: Thu, 29 Aug 2024 18:58:38 +0300 Subject: [PATCH 680/702] drm/i915/fence: Mark debug_fence_free() with __maybe_unused [ Upstream commit f99999536128b14b5d765a9982763b5134efdd79 ] When debug_fence_free() is unused (CONFIG_DRM_I915_SW_FENCE_DEBUG_OBJECTS=n), it prevents kernel builds with clang, `make W=1` and CONFIG_WERROR=y: .../i915_sw_fence.c:118:20: error: unused function 'debug_fence_free' [-Werror,-Wunused-function] 118 | static inline void debug_fence_free(struct i915_sw_fence *fence) | ^~~~~~~~~~~~~~~~ Fix this by marking debug_fence_free() with __maybe_unused. See also commit 6863f5643dd7 ("kbuild: allow Clang to find unused static inline functions for W=1 build"). Fixes: fc1584059d6c ("drm/i915: Integrate i915_sw_fence with debugobjects") Signed-off-by: Andy Shevchenko Reviewed-by: Jani Nikula Link: https://patchwork.freedesktop.org/patch/msgid/20240829155950.1141978-3-andriy.shevchenko@linux.intel.com Signed-off-by: Jani Nikula (cherry picked from commit 8be4dce5ea6f2368cc25edc71989c4690fa66964) Signed-off-by: Joonas Lahtinen Signed-off-by: Sasha Levin --- drivers/gpu/drm/i915/i915_sw_fence.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/gpu/drm/i915/i915_sw_fence.c b/drivers/gpu/drm/i915/i915_sw_fence.c index 1c4498c29f25..136a7163477d 100644 --- a/drivers/gpu/drm/i915/i915_sw_fence.c +++ b/drivers/gpu/drm/i915/i915_sw_fence.c @@ -70,7 +70,7 @@ static inline void debug_fence_destroy(struct i915_sw_fence *fence) debug_object_destroy(fence, &i915_sw_fence_debug_descr); } -static inline void debug_fence_free(struct i915_sw_fence *fence) +static inline __maybe_unused void debug_fence_free(struct i915_sw_fence *fence) { debug_object_free(fence, &i915_sw_fence_debug_descr); smp_wmb(); /* flush the change in state before reallocation */ @@ -108,7 +108,7 @@ static inline void debug_fence_destroy(struct i915_sw_fence *fence) { } -static inline void debug_fence_free(struct i915_sw_fence *fence) +static inline __maybe_unused void debug_fence_free(struct i915_sw_fence *fence) { } From c6bd80f5852227ef7904e4d87d85281c71a7e650 Mon Sep 17 00:00:00 2001 From: Seunghwan Baek Date: Thu, 29 Aug 2024 15:18:22 +0900 Subject: [PATCH 681/702] mmc: cqhci: Fix checking of CQHCI_HALT state commit aea62c744a9ae2a8247c54ec42138405216414da upstream. To check if mmc cqe is in halt state, need to check set/clear of CQHCI_HALT bit. At this time, we need to check with &, not &&. Fixes: a4080225f51d ("mmc: cqhci: support for command queue enabled host") Cc: stable@vger.kernel.org Signed-off-by: Seunghwan Baek Reviewed-by: Ritesh Harjani Acked-by: Adrian Hunter Link: https://lore.kernel.org/r/20240829061823.3718-2-sh8267.baek@samsung.com Signed-off-by: Ulf Hansson Signed-off-by: Greg Kroah-Hartman --- drivers/mmc/host/cqhci.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/mmc/host/cqhci.c b/drivers/mmc/host/cqhci.c index 23cf7912c1ba..6a350f495352 100644 --- a/drivers/mmc/host/cqhci.c +++ b/drivers/mmc/host/cqhci.c @@ -592,7 +592,7 @@ static int cqhci_request(struct mmc_host *mmc, struct mmc_request *mrq) cqhci_writel(cq_host, 0, CQHCI_CTL); mmc->cqe_on = true; pr_debug("%s: cqhci: CQE on\n", mmc_hostname(mmc)); - if (cqhci_readl(cq_host, CQHCI_CTL) && CQHCI_HALT) { + if (cqhci_readl(cq_host, CQHCI_CTL) & CQHCI_HALT) { pr_err("%s: cqhci: CQE failed to exit halt state\n", mmc_hostname(mmc)); } From 1401da1486dc1cdbef6025fd74a3977df3a3e5d0 Mon Sep 17 00:00:00 2001 From: Roland Xu Date: Thu, 15 Aug 2024 10:58:13 +0800 Subject: [PATCH 682/702] rtmutex: Drop rt_mutex::wait_lock before scheduling commit d33d26036a0274b472299d7dcdaa5fb34329f91b upstream. rt_mutex_handle_deadlock() is called with rt_mutex::wait_lock held. In the good case it returns with the lock held and in the deadlock case it emits a warning and goes into an endless scheduling loop with the lock held, which triggers the 'scheduling in atomic' warning. Unlock rt_mutex::wait_lock in the dead lock case before issuing the warning and dropping into the schedule for ever loop. [ tglx: Moved unlock before the WARN(), removed the pointless comment, massaged changelog, added Fixes tag ] Fixes: 3d5c9340d194 ("rtmutex: Handle deadlock detection smarter") Signed-off-by: Roland Xu Signed-off-by: Thomas Gleixner Cc: stable@vger.kernel.org Link: https://lore.kernel.org/all/ME0P300MB063599BEF0743B8FA339C2CECC802@ME0P300MB0635.AUSP300.PROD.OUTLOOK.COM Signed-off-by: Greg Kroah-Hartman --- kernel/locking/rtmutex.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/kernel/locking/rtmutex.c b/kernel/locking/rtmutex.c index f00dd928fc71..c6a2dafd4a3b 100644 --- a/kernel/locking/rtmutex.c +++ b/kernel/locking/rtmutex.c @@ -1202,6 +1202,7 @@ __rt_mutex_slowlock(struct rt_mutex *lock, int state, } static void rt_mutex_handle_deadlock(int res, int detect_deadlock, + struct rt_mutex *lock, struct rt_mutex_waiter *w) { /* @@ -1211,6 +1212,7 @@ static void rt_mutex_handle_deadlock(int res, int detect_deadlock, if (res != -EDEADLOCK || detect_deadlock) return; + raw_spin_unlock_irq(&lock->wait_lock); /* * Yell lowdly and stop the task right here. */ @@ -1266,7 +1268,7 @@ rt_mutex_slowlock(struct rt_mutex *lock, int state, if (unlikely(ret)) { __set_current_state(TASK_RUNNING); remove_waiter(lock, &waiter); - rt_mutex_handle_deadlock(ret, chwalk, &waiter); + rt_mutex_handle_deadlock(ret, chwalk, lock, &waiter); } /* From dad75cf2c313b300165bccf6f029d17a36f6f452 Mon Sep 17 00:00:00 2001 From: Thomas Gleixner Date: Tue, 6 Aug 2024 20:48:43 +0200 Subject: [PATCH 683/702] x86/mm: Fix PTI for i386 some more commit c48b5a4cf3125adb679e28ef093f66ff81368d05 upstream. So it turns out that we have to do two passes of pti_clone_entry_text(), once before initcalls, such that device and late initcalls can use user-mode-helper / modprobe and once after free_initmem() / mark_readonly(). Now obviously mark_readonly() can cause PMD splits, and pti_clone_pgtable() doesn't like that much. Allow the late clone to split PMDs so that pagetables stay in sync. [peterz: Changelog and comments] Reported-by: Guenter Roeck Signed-off-by: Thomas Gleixner Signed-off-by: Peter Zijlstra (Intel) Tested-by: Guenter Roeck Link: https://lkml.kernel.org/r/20240806184843.GX37996@noisy.programming.kicks-ass.net Signed-off-by: Greg Kroah-Hartman --- arch/x86/mm/pti.c | 45 +++++++++++++++++++++++++++++---------------- 1 file changed, 29 insertions(+), 16 deletions(-) diff --git a/arch/x86/mm/pti.c b/arch/x86/mm/pti.c index 50e31d14351b..85289c8f21db 100644 --- a/arch/x86/mm/pti.c +++ b/arch/x86/mm/pti.c @@ -241,7 +241,7 @@ static pmd_t *pti_user_pagetable_walk_pmd(unsigned long address) * * Returns a pointer to a PTE on success, or NULL on failure. */ -static pte_t *pti_user_pagetable_walk_pte(unsigned long address) +static pte_t *pti_user_pagetable_walk_pte(unsigned long address, bool late_text) { gfp_t gfp = (GFP_KERNEL | __GFP_NOTRACK | __GFP_ZERO); pmd_t *pmd; @@ -251,10 +251,15 @@ static pte_t *pti_user_pagetable_walk_pte(unsigned long address) if (!pmd) return NULL; - /* We can't do anything sensible if we hit a large mapping. */ + /* Large PMD mapping found */ if (pmd_large(*pmd)) { - WARN_ON(1); - return NULL; + /* Clear the PMD if we hit a large mapping from the first round */ + if (late_text) { + set_pmd(pmd, __pmd(0)); + } else { + WARN_ON_ONCE(1); + return NULL; + } } if (pmd_none(*pmd)) { @@ -283,7 +288,7 @@ static void __init pti_setup_vsyscall(void) if (!pte || WARN_ON(level != PG_LEVEL_4K) || pte_none(*pte)) return; - target_pte = pti_user_pagetable_walk_pte(VSYSCALL_ADDR); + target_pte = pti_user_pagetable_walk_pte(VSYSCALL_ADDR, false); if (WARN_ON(!target_pte)) return; @@ -301,7 +306,7 @@ enum pti_clone_level { static void pti_clone_pgtable(unsigned long start, unsigned long end, - enum pti_clone_level level) + enum pti_clone_level level, bool late_text) { unsigned long addr; @@ -390,7 +395,7 @@ pti_clone_pgtable(unsigned long start, unsigned long end, return; /* Allocate PTE in the user page-table */ - target_pte = pti_user_pagetable_walk_pte(addr); + target_pte = pti_user_pagetable_walk_pte(addr, late_text); if (WARN_ON(!target_pte)) return; @@ -453,7 +458,7 @@ static void __init pti_clone_user_shared(void) phys_addr_t pa = per_cpu_ptr_to_phys((void *)va); pte_t *target_pte; - target_pte = pti_user_pagetable_walk_pte(va); + target_pte = pti_user_pagetable_walk_pte(va, false); if (WARN_ON(!target_pte)) return; @@ -476,7 +481,7 @@ static void __init pti_clone_user_shared(void) start = CPU_ENTRY_AREA_BASE; end = start + (PAGE_SIZE * CPU_ENTRY_AREA_PAGES); - pti_clone_pgtable(start, end, PTI_CLONE_PMD); + pti_clone_pgtable(start, end, PTI_CLONE_PMD, false); } #endif /* CONFIG_X86_64 */ @@ -493,11 +498,11 @@ static void __init pti_setup_espfix64(void) /* * Clone the populated PMDs of the entry text and force it RO. */ -static void pti_clone_entry_text(void) +static void pti_clone_entry_text(bool late) { pti_clone_pgtable((unsigned long) __entry_text_start, (unsigned long) __entry_text_end, - PTI_LEVEL_KERNEL_IMAGE); + PTI_LEVEL_KERNEL_IMAGE, late); } /* @@ -572,7 +577,7 @@ static void pti_clone_kernel_text(void) * pti_set_kernel_image_nonglobal() did to clear the * global bit. */ - pti_clone_pgtable(start, end_clone, PTI_LEVEL_KERNEL_IMAGE); + pti_clone_pgtable(start, end_clone, PTI_LEVEL_KERNEL_IMAGE, false); /* * pti_clone_pgtable() will set the global bit in any PMDs @@ -639,8 +644,15 @@ void __init pti_init(void) /* Undo all global bits from the init pagetables in head_64.S: */ pti_set_kernel_image_nonglobal(); + /* Replace some of the global bits just for shared entry text: */ - pti_clone_entry_text(); + /* + * This is very early in boot. Device and Late initcalls can do + * modprobe before free_initmem() and mark_readonly(). This + * pti_clone_entry_text() allows those user-mode-helpers to function, + * but notably the text is still RW. + */ + pti_clone_entry_text(false); pti_setup_espfix64(); pti_setup_vsyscall(); } @@ -657,10 +669,11 @@ void pti_finalize(void) if (!boot_cpu_has(X86_FEATURE_PTI)) return; /* - * We need to clone everything (again) that maps parts of the - * kernel image. + * This is after free_initmem() (all initcalls are done) and we've done + * mark_readonly(). Text is now NX which might've split some PMDs + * relative to the early clone. */ - pti_clone_entry_text(); + pti_clone_entry_text(true); pti_clone_kernel_text(); debug_checkwx_user(); From 02ee1976edb21a96ce8e3fd4ef563f14cc16d041 Mon Sep 17 00:00:00 2001 From: Daniel Borkmann Date: Thu, 4 Jul 2024 08:41:57 +0200 Subject: [PATCH 684/702] net, sunrpc: Remap EPERM in case of connection failure in xs_tcp_setup_socket commit 626dfed5fa3bfb41e0dffd796032b555b69f9cde upstream. When using a BPF program on kernel_connect(), the call can return -EPERM. This causes xs_tcp_setup_socket() to loop forever, filling up the syslog and causing the kernel to potentially freeze up. Neil suggested: This will propagate -EPERM up into other layers which might not be ready to handle it. It might be safer to map EPERM to an error we would be more likely to expect from the network system - such as ECONNREFUSED or ENETDOWN. ECONNREFUSED as error seems reasonable. For programs setting a different error can be out of reach (see handling in 4fbac77d2d09) in particular on kernels which do not have f10d05966196 ("bpf: Make BPF_PROG_RUN_ARRAY return -err instead of allow boolean"), thus given that it is better to simply remap for consistent behavior. UDP does handle EPERM in xs_udp_send_request(). Fixes: d74bad4e74ee ("bpf: Hooks for sys_connect") Fixes: 4fbac77d2d09 ("bpf: Hooks for sys_bind") Co-developed-by: Lex Siegel Signed-off-by: Lex Siegel Signed-off-by: Daniel Borkmann Cc: Neil Brown Cc: Trond Myklebust Cc: Anna Schumaker Link: https://github.com/cilium/cilium/issues/33395 Link: https://lore.kernel.org/bpf/171374175513.12877.8993642908082014881@noble.neil.brown.name Link: https://patch.msgid.link/9069ec1d59e4b2129fc23433349fd5580ad43921.1720075070.git.daniel@iogearbox.net Signed-off-by: Paolo Abeni Signed-off-by: Hugo SIMELIERE Signed-off-by: Greg Kroah-Hartman --- net/sunrpc/xprtsock.c | 7 +++++++ 1 file changed, 7 insertions(+) diff --git a/net/sunrpc/xprtsock.c b/net/sunrpc/xprtsock.c index 0666f981618a..e0cd6d735053 100644 --- a/net/sunrpc/xprtsock.c +++ b/net/sunrpc/xprtsock.c @@ -2314,6 +2314,13 @@ static void xs_tcp_setup_socket(struct work_struct *work) case -EALREADY: xprt_unlock_connect(xprt, transport); return; + case -EPERM: + /* Happens, for instance, if a BPF program is preventing + * the connect. Remap the error so upper layers can better + * deal with it. + */ + status = -ECONNREFUSED; + fallthrough; case -EINVAL: /* Happens, for instance, if the user specified a link * local IPv6 address without a scope-id. From 912736a0435ef40e6a4ae78197ccb5553cb80b05 Mon Sep 17 00:00:00 2001 From: Shakeel Butt Date: Fri, 2 Aug 2024 16:58:22 -0700 Subject: [PATCH 685/702] memcg: protect concurrent access to mem_cgroup_idr commit 9972605a238339b85bd16b084eed5f18414d22db upstream. Commit 73f576c04b94 ("mm: memcontrol: fix cgroup creation failure after many small jobs") decoupled the memcg IDs from the CSS ID space to fix the cgroup creation failures. It introduced IDR to maintain the memcg ID space. The IDR depends on external synchronization mechanisms for modifications. For the mem_cgroup_idr, the idr_alloc() and idr_replace() happen within css callback and thus are protected through cgroup_mutex from concurrent modifications. However idr_remove() for mem_cgroup_idr was not protected against concurrency and can be run concurrently for different memcgs when they hit their refcnt to zero. Fix that. We have been seeing list_lru based kernel crashes at a low frequency in our fleet for a long time. These crashes were in different part of list_lru code including list_lru_add(), list_lru_del() and reparenting code. Upon further inspection, it looked like for a given object (dentry and inode), the super_block's list_lru didn't have list_lru_one for the memcg of that object. The initial suspicions were either the object is not allocated through kmem_cache_alloc_lru() or somehow memcg_list_lru_alloc() failed to allocate list_lru_one() for a memcg but returned success. No evidence were found for these cases. Looking more deeply, we started seeing situations where valid memcg's id is not present in mem_cgroup_idr and in some cases multiple valid memcgs have same id and mem_cgroup_idr is pointing to one of them. So, the most reasonable explanation is that these situations can happen due to race between multiple idr_remove() calls or race between idr_alloc()/idr_replace() and idr_remove(). These races are causing multiple memcgs to acquire the same ID and then offlining of one of them would cleanup list_lrus on the system for all of them. Later access from other memcgs to the list_lru cause crashes due to missing list_lru_one. Link: https://lkml.kernel.org/r/20240802235822.1830976-1-shakeel.butt@linux.dev Fixes: 73f576c04b94 ("mm: memcontrol: fix cgroup creation failure after many small jobs") Signed-off-by: Shakeel Butt Acked-by: Muchun Song Reviewed-by: Roman Gushchin Acked-by: Johannes Weiner Cc: Michal Hocko Cc: Signed-off-by: Andrew Morton [ Adapted due to commit be740503ed03 ("mm: memcontrol: fix cannot alloc the maximum memcg ID") and 6f0df8e16eb5 ("memcontrol: ensure memcg acquired by id is properly set up") not in the tree ] Signed-off-by: Tomas Krcka Signed-off-by: Greg Kroah-Hartman --- mm/memcontrol.c | 23 ++++++++++++++++++++--- 1 file changed, 20 insertions(+), 3 deletions(-) diff --git a/mm/memcontrol.c b/mm/memcontrol.c index 874f91715296..8de7c72ae025 100644 --- a/mm/memcontrol.c +++ b/mm/memcontrol.c @@ -5160,11 +5160,28 @@ static struct cftype mem_cgroup_legacy_files[] = { */ static DEFINE_IDR(mem_cgroup_idr); +static DEFINE_SPINLOCK(memcg_idr_lock); + +static int mem_cgroup_alloc_id(void) +{ + int ret; + + idr_preload(GFP_KERNEL); + spin_lock(&memcg_idr_lock); + ret = idr_alloc(&mem_cgroup_idr, NULL, 1, MEM_CGROUP_ID_MAX + 1, + GFP_NOWAIT); + spin_unlock(&memcg_idr_lock); + idr_preload_end(); + return ret; +} static void mem_cgroup_id_remove(struct mem_cgroup *memcg) { if (memcg->id.id > 0) { + spin_lock(&memcg_idr_lock); idr_remove(&mem_cgroup_idr, memcg->id.id); + spin_unlock(&memcg_idr_lock); + memcg->id.id = 0; } } @@ -5294,9 +5311,7 @@ static struct mem_cgroup *mem_cgroup_alloc(void) if (!memcg) return ERR_PTR(error); - memcg->id.id = idr_alloc(&mem_cgroup_idr, NULL, - 1, MEM_CGROUP_ID_MAX, - GFP_KERNEL); + memcg->id.id = mem_cgroup_alloc_id(); if (memcg->id.id < 0) { error = memcg->id.id; goto fail; @@ -5342,7 +5357,9 @@ static struct mem_cgroup *mem_cgroup_alloc(void) INIT_LIST_HEAD(&memcg->deferred_split_queue.split_queue); memcg->deferred_split_queue.split_queue_len = 0; #endif + spin_lock(&memcg_idr_lock); idr_replace(&mem_cgroup_idr, memcg, memcg->id.id); + spin_unlock(&memcg_idr_lock); return memcg; fail: mem_cgroup_id_remove(memcg); From ceb091e2c4ccf93b1ee0e0e8a202476a433784ff Mon Sep 17 00:00:00 2001 From: Greg Kroah-Hartman Date: Thu, 12 Sep 2024 11:06:51 +0200 Subject: [PATCH 686/702] Linux 5.10.226 Link: https://lore.kernel.org/r/20240910092554.645718780@linuxfoundation.org Tested-by: Mark Brown Tested-by: Florian Fainelli Tested-by: Dominique Martinet Tested-by: Linux Kernel Functional Testing Link: https://lore.kernel.org/r/20240911130529.320360981@linuxfoundation.org Tested-by: Florian Fainelli Tested-by: Shuah Khan Tested-by: Pavel Machek (CIP) Tested-by: Mark Brown Tested-by: Jon Hunter Signed-off-by: Greg Kroah-Hartman --- Makefile | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/Makefile b/Makefile index 30918576f9de..cf232897553b 100644 --- a/Makefile +++ b/Makefile @@ -1,7 +1,7 @@ # SPDX-License-Identifier: GPL-2.0 VERSION = 5 PATCHLEVEL = 10 -SUBLEVEL = 225 +SUBLEVEL = 226 EXTRAVERSION = NAME = Dare mighty things From fe709a1a7726be899c9eca6ba003cef7efeab3a6 Mon Sep 17 00:00:00 2001 From: Greg Kroah-Hartman Date: Fri, 13 Sep 2024 07:03:11 +0000 Subject: [PATCH 687/702] Revert "bpf, cgroup: Assign cgroup in cgroup_sk_alloc when called from interrupt" This reverts commit 06e7be6934139e95335afc80106e45e9043e6ab4 which is commit 78cc316e9583067884eb8bd154301dc1e9ee945c upstream. It breaks the Android kernel abi and can be brought back in the future in an abi-safe way if it is really needed. Bug: 161946584 Change-Id: I093bdfdde79cf7ddfa90fe5d2df74c909cf1f889 Signed-off-by: Greg Kroah-Hartman --- kernel/cgroup/cgroup.c | 17 +++++------------ 1 file changed, 5 insertions(+), 12 deletions(-) diff --git a/kernel/cgroup/cgroup.c b/kernel/cgroup/cgroup.c index 929f36b5ed47..62651932cce2 100644 --- a/kernel/cgroup/cgroup.c +++ b/kernel/cgroup/cgroup.c @@ -6628,29 +6628,22 @@ int cgroup_parse_float(const char *input, unsigned dec_shift, s64 *v) void cgroup_sk_alloc(struct sock_cgroup_data *skcd) { - struct cgroup *cgroup; + /* Don't associate the sock with unrelated interrupted task's cgroup. */ + if (in_interrupt()) + return; rcu_read_lock(); - /* Don't associate the sock with unrelated interrupted task's cgroup. */ - if (in_interrupt()) { - cgroup = &cgrp_dfl_root.cgrp; - cgroup_get(cgroup); - goto out; - } - while (true) { struct css_set *cset; cset = task_css_set(current); if (likely(cgroup_tryget(cset->dfl_cgrp))) { - cgroup = cset->dfl_cgrp; + skcd->cgroup = cset->dfl_cgrp; + cgroup_bpf_get(cset->dfl_cgrp); break; } cpu_relax(); } -out: - skcd->cgroup = cgroup; - cgroup_bpf_get(cgroup); rcu_read_unlock(); } From c2345ad8996558a4ed9ffff94c38ebb9b9efa222 Mon Sep 17 00:00:00 2001 From: Greg Kroah-Hartman Date: Fri, 13 Sep 2024 07:03:19 +0000 Subject: [PATCH 688/702] Revert "bpf, cgroups: Fix cgroup v2 fallback on v1/v2 mixed mode" This reverts commit cf002be3b8d903c8ffcb1067e3add0fd23f32061 which is commit 8520e224f547cd070c7c8f97b1fc6d58cff7ccaa upstream. It breaks the Android kernel abi and can be brought back in the future in an abi-safe way if it is really needed. Bug: 161946584 Change-Id: I631b92972f55d564be4bd3df66e9e544d9cb109e Signed-off-by: Greg Kroah-Hartman --- include/linux/cgroup-defs.h | 107 ++++++++++++++++++++++++++--------- include/linux/cgroup.h | 22 ++++++- kernel/cgroup/cgroup.c | 50 ++++++++++++---- net/core/netclassid_cgroup.c | 7 ++- net/core/netprio_cgroup.c | 10 +++- 5 files changed, 155 insertions(+), 41 deletions(-) diff --git a/include/linux/cgroup-defs.h b/include/linux/cgroup-defs.h index 0390fff5d0c1..3ee42f15483b 100644 --- a/include/linux/cgroup-defs.h +++ b/include/linux/cgroup-defs.h @@ -771,54 +771,107 @@ static inline void cgroup_threadgroup_change_end(struct task_struct *tsk) {} * sock_cgroup_data is embedded at sock->sk_cgrp_data and contains * per-socket cgroup information except for memcg association. * - * On legacy hierarchies, net_prio and net_cls controllers directly - * set attributes on each sock which can then be tested by the network - * layer. On the default hierarchy, each sock is associated with the - * cgroup it was created in and the networking layer can match the - * cgroup directly. + * On legacy hierarchies, net_prio and net_cls controllers directly set + * attributes on each sock which can then be tested by the network layer. + * On the default hierarchy, each sock is associated with the cgroup it was + * created in and the networking layer can match the cgroup directly. + * + * To avoid carrying all three cgroup related fields separately in sock, + * sock_cgroup_data overloads (prioidx, classid) and the cgroup pointer. + * On boot, sock_cgroup_data records the cgroup that the sock was created + * in so that cgroup2 matches can be made; however, once either net_prio or + * net_cls starts being used, the area is overriden to carry prioidx and/or + * classid. The two modes are distinguished by whether the lowest bit is + * set. Clear bit indicates cgroup pointer while set bit prioidx and + * classid. + * + * While userland may start using net_prio or net_cls at any time, once + * either is used, cgroup2 matching no longer works. There is no reason to + * mix the two and this is in line with how legacy and v2 compatibility is + * handled. On mode switch, cgroup references which are already being + * pointed to by socks may be leaked. While this can be remedied by adding + * synchronization around sock_cgroup_data, given that the number of leaked + * cgroups is bound and highly unlikely to be high, this seems to be the + * better trade-off. */ struct sock_cgroup_data { - struct cgroup *cgroup; /* v2 */ -#ifdef CONFIG_CGROUP_NET_CLASSID - u32 classid; /* v1 */ -#endif -#ifdef CONFIG_CGROUP_NET_PRIO - u16 prioidx; /* v1 */ + union { +#ifdef __LITTLE_ENDIAN + struct { + u8 is_data : 1; + u8 no_refcnt : 1; + u8 unused : 6; + u8 padding; + u16 prioidx; + u32 classid; + } __packed; +#else + struct { + u32 classid; + u16 prioidx; + u8 padding; + u8 unused : 6; + u8 no_refcnt : 1; + u8 is_data : 1; + } __packed; #endif + u64 val; + }; }; +/* + * There's a theoretical window where the following accessors race with + * updaters and return part of the previous pointer as the prioidx or + * classid. Such races are short-lived and the result isn't critical. + */ static inline u16 sock_cgroup_prioidx(const struct sock_cgroup_data *skcd) { -#ifdef CONFIG_CGROUP_NET_PRIO - return READ_ONCE(skcd->prioidx); -#else - return 1; -#endif + /* fallback to 1 which is always the ID of the root cgroup */ + return (skcd->is_data & 1) ? skcd->prioidx : 1; } static inline u32 sock_cgroup_classid(const struct sock_cgroup_data *skcd) { -#ifdef CONFIG_CGROUP_NET_CLASSID - return READ_ONCE(skcd->classid); -#else - return 0; -#endif + /* fallback to 0 which is the unconfigured default classid */ + return (skcd->is_data & 1) ? skcd->classid : 0; } +/* + * If invoked concurrently, the updaters may clobber each other. The + * caller is responsible for synchronization. + */ static inline void sock_cgroup_set_prioidx(struct sock_cgroup_data *skcd, u16 prioidx) { -#ifdef CONFIG_CGROUP_NET_PRIO - WRITE_ONCE(skcd->prioidx, prioidx); -#endif + struct sock_cgroup_data skcd_buf = {{ .val = READ_ONCE(skcd->val) }}; + + if (sock_cgroup_prioidx(&skcd_buf) == prioidx) + return; + + if (!(skcd_buf.is_data & 1)) { + skcd_buf.val = 0; + skcd_buf.is_data = 1; + } + + skcd_buf.prioidx = prioidx; + WRITE_ONCE(skcd->val, skcd_buf.val); /* see sock_cgroup_ptr() */ } static inline void sock_cgroup_set_classid(struct sock_cgroup_data *skcd, u32 classid) { -#ifdef CONFIG_CGROUP_NET_CLASSID - WRITE_ONCE(skcd->classid, classid); -#endif + struct sock_cgroup_data skcd_buf = {{ .val = READ_ONCE(skcd->val) }}; + + if (sock_cgroup_classid(&skcd_buf) == classid) + return; + + if (!(skcd_buf.is_data & 1)) { + skcd_buf.val = 0; + skcd_buf.is_data = 1; + } + + skcd_buf.classid = classid; + WRITE_ONCE(skcd->val, skcd_buf.val); /* see sock_cgroup_ptr() */ } #else /* CONFIG_SOCK_CGROUP_DATA */ diff --git a/include/linux/cgroup.h b/include/linux/cgroup.h index 11b4ce258d8d..3c0b5b31a522 100644 --- a/include/linux/cgroup.h +++ b/include/linux/cgroup.h @@ -827,13 +827,33 @@ static inline void cgroup_account_cputime_field(struct task_struct *task, */ #ifdef CONFIG_SOCK_CGROUP_DATA +#if defined(CONFIG_CGROUP_NET_PRIO) || defined(CONFIG_CGROUP_NET_CLASSID) +extern spinlock_t cgroup_sk_update_lock; +#endif + +void cgroup_sk_alloc_disable(void); void cgroup_sk_alloc(struct sock_cgroup_data *skcd); void cgroup_sk_clone(struct sock_cgroup_data *skcd); void cgroup_sk_free(struct sock_cgroup_data *skcd); static inline struct cgroup *sock_cgroup_ptr(struct sock_cgroup_data *skcd) { - return skcd->cgroup; +#if defined(CONFIG_CGROUP_NET_PRIO) || defined(CONFIG_CGROUP_NET_CLASSID) + unsigned long v; + + /* + * @skcd->val is 64bit but the following is safe on 32bit too as we + * just need the lower ulong to be written and read atomically. + */ + v = READ_ONCE(skcd->val); + + if (v & 3) + return &cgrp_dfl_root.cgrp; + + return (struct cgroup *)(unsigned long)v ?: &cgrp_dfl_root.cgrp; +#else + return (struct cgroup *)(unsigned long)skcd->val; +#endif } #else /* CONFIG_CGROUP_DATA */ diff --git a/kernel/cgroup/cgroup.c b/kernel/cgroup/cgroup.c index 62651932cce2..193f092ea393 100644 --- a/kernel/cgroup/cgroup.c +++ b/kernel/cgroup/cgroup.c @@ -6626,44 +6626,74 @@ int cgroup_parse_float(const char *input, unsigned dec_shift, s64 *v) */ #ifdef CONFIG_SOCK_CGROUP_DATA +#if defined(CONFIG_CGROUP_NET_PRIO) || defined(CONFIG_CGROUP_NET_CLASSID) + +DEFINE_SPINLOCK(cgroup_sk_update_lock); +static bool cgroup_sk_alloc_disabled __read_mostly; + +void cgroup_sk_alloc_disable(void) +{ + if (cgroup_sk_alloc_disabled) + return; + pr_info("cgroup: disabling cgroup2 socket matching due to net_prio or net_cls activation\n"); + cgroup_sk_alloc_disabled = true; +} + +#else + +#define cgroup_sk_alloc_disabled false + +#endif + void cgroup_sk_alloc(struct sock_cgroup_data *skcd) { + if (cgroup_sk_alloc_disabled) { + skcd->no_refcnt = 1; + return; + } + /* Don't associate the sock with unrelated interrupted task's cgroup. */ if (in_interrupt()) return; rcu_read_lock(); + while (true) { struct css_set *cset; cset = task_css_set(current); if (likely(cgroup_tryget(cset->dfl_cgrp))) { - skcd->cgroup = cset->dfl_cgrp; + skcd->val = (unsigned long)cset->dfl_cgrp; cgroup_bpf_get(cset->dfl_cgrp); break; } cpu_relax(); } + rcu_read_unlock(); } void cgroup_sk_clone(struct sock_cgroup_data *skcd) { - struct cgroup *cgrp = sock_cgroup_ptr(skcd); - - /* - * We might be cloning a socket which is left in an empty - * cgroup and the cgroup might have already been rmdir'd. - * Don't use cgroup_get_live(). - */ - cgroup_get(cgrp); - cgroup_bpf_get(cgrp); + if (skcd->val) { + if (skcd->no_refcnt) + return; + /* + * We might be cloning a socket which is left in an empty + * cgroup and the cgroup might have already been rmdir'd. + * Don't use cgroup_get_live(). + */ + cgroup_get(sock_cgroup_ptr(skcd)); + cgroup_bpf_get(sock_cgroup_ptr(skcd)); + } } void cgroup_sk_free(struct sock_cgroup_data *skcd) { struct cgroup *cgrp = sock_cgroup_ptr(skcd); + if (skcd->no_refcnt) + return; cgroup_bpf_put(cgrp); cgroup_put(cgrp); } diff --git a/net/core/netclassid_cgroup.c b/net/core/netclassid_cgroup.c index b6de5ee22391..41b24cd31562 100644 --- a/net/core/netclassid_cgroup.c +++ b/net/core/netclassid_cgroup.c @@ -72,8 +72,11 @@ static int update_classid_sock(const void *v, struct file *file, unsigned n) struct update_classid_context *ctx = (void *)v; struct socket *sock = sock_from_file(file, &err); - if (sock) + if (sock) { + spin_lock(&cgroup_sk_update_lock); sock_cgroup_set_classid(&sock->sk->sk_cgrp_data, ctx->classid); + spin_unlock(&cgroup_sk_update_lock); + } if (--ctx->batch == 0) { ctx->batch = UPDATE_CLASSID_BATCH; return n + 1; @@ -119,6 +122,8 @@ static int write_classid(struct cgroup_subsys_state *css, struct cftype *cft, struct css_task_iter it; struct task_struct *p; + cgroup_sk_alloc_disable(); + cs->classid = (u32)value; css_task_iter_start(css, 0, &it); diff --git a/net/core/netprio_cgroup.c b/net/core/netprio_cgroup.c index d4c71e382a13..9bd4cab7d510 100644 --- a/net/core/netprio_cgroup.c +++ b/net/core/netprio_cgroup.c @@ -207,6 +207,8 @@ static ssize_t write_priomap(struct kernfs_open_file *of, if (!dev) return -ENODEV; + cgroup_sk_alloc_disable(); + rtnl_lock(); ret = netprio_set_prio(of_css(of), dev, prio); @@ -220,10 +222,12 @@ static int update_netprio(const void *v, struct file *file, unsigned n) { int err; struct socket *sock = sock_from_file(file, &err); - - if (sock) + if (sock) { + spin_lock(&cgroup_sk_update_lock); sock_cgroup_set_prioidx(&sock->sk->sk_cgrp_data, (unsigned long)v); + spin_unlock(&cgroup_sk_update_lock); + } return 0; } @@ -232,6 +236,8 @@ static void net_prio_attach(struct cgroup_taskset *tset) struct task_struct *p; struct cgroup_subsys_state *css; + cgroup_sk_alloc_disable(); + cgroup_taskset_for_each(p, css, tset) { void *v = (void *)(unsigned long)css->id; From 00588cd66d4bae638ae52bc82c4aa8c3d339f93c Mon Sep 17 00:00:00 2001 From: Greg Kroah-Hartman Date: Sat, 14 Sep 2024 12:01:26 +0000 Subject: [PATCH 689/702] Revert "hwspinlock: Introduce hwspin_lock_bust()" This reverts commit e85cf9a5a41b70b1e0c9e263906981cb3d749b12 which is commit 7c327d56597d8de1680cf24e956b704270d3d84a upstream. It breaks the Android kernel abi and can be brought back in the future in an abi-safe way if it is really needed. Bug: 161946584 Change-Id: I765bfde25289da842ec71cdc67d8d234c9c6cc91 Signed-off-by: Greg Kroah-Hartman --- Documentation/locking/hwspinlock.rst | 11 ---------- drivers/hwspinlock/hwspinlock_core.c | 28 ------------------------ drivers/hwspinlock/hwspinlock_internal.h | 3 --- include/linux/hwspinlock.h | 6 ----- 4 files changed, 48 deletions(-) diff --git a/Documentation/locking/hwspinlock.rst b/Documentation/locking/hwspinlock.rst index 2ffaa3cbd63f..6f03713b7003 100644 --- a/Documentation/locking/hwspinlock.rst +++ b/Documentation/locking/hwspinlock.rst @@ -85,17 +85,6 @@ is already free). Should be called from a process context (might sleep). -:: - - int hwspin_lock_bust(struct hwspinlock *hwlock, unsigned int id); - -After verifying the owner of the hwspinlock, release a previously acquired -hwspinlock; returns 0 on success, or an appropriate error code on failure -(e.g. -EOPNOTSUPP if the bust operation is not defined for the specific -hwspinlock). - -Should be called from a process context (might sleep). - :: int hwspin_lock_timeout(struct hwspinlock *hwlock, unsigned int timeout); diff --git a/drivers/hwspinlock/hwspinlock_core.c b/drivers/hwspinlock/hwspinlock_core.c index 425597151dd3..fd5f5c5a5244 100644 --- a/drivers/hwspinlock/hwspinlock_core.c +++ b/drivers/hwspinlock/hwspinlock_core.c @@ -302,34 +302,6 @@ void __hwspin_unlock(struct hwspinlock *hwlock, int mode, unsigned long *flags) } EXPORT_SYMBOL_GPL(__hwspin_unlock); -/** - * hwspin_lock_bust() - bust a specific hwspinlock - * @hwlock: a previously-acquired hwspinlock which we want to bust - * @id: identifier of the remote lock holder, if applicable - * - * This function will bust a hwspinlock that was previously acquired as - * long as the current owner of the lock matches the id given by the caller. - * - * Context: Process context. - * - * Returns: 0 on success, or -EINVAL if the hwspinlock does not exist, or - * the bust operation fails, and -EOPNOTSUPP if the bust operation is not - * defined for the hwspinlock. - */ -int hwspin_lock_bust(struct hwspinlock *hwlock, unsigned int id) -{ - if (WARN_ON(!hwlock)) - return -EINVAL; - - if (!hwlock->bank->ops->bust) { - pr_err("bust operation not defined\n"); - return -EOPNOTSUPP; - } - - return hwlock->bank->ops->bust(hwlock, id); -} -EXPORT_SYMBOL_GPL(hwspin_lock_bust); - /** * of_hwspin_lock_simple_xlate - translate hwlock_spec to return a lock id * @bank: the hwspinlock device bank diff --git a/drivers/hwspinlock/hwspinlock_internal.h b/drivers/hwspinlock/hwspinlock_internal.h index f298fc0ee5ad..29892767bb7a 100644 --- a/drivers/hwspinlock/hwspinlock_internal.h +++ b/drivers/hwspinlock/hwspinlock_internal.h @@ -21,8 +21,6 @@ struct hwspinlock_device; * @trylock: make a single attempt to take the lock. returns 0 on * failure and true on success. may _not_ sleep. * @unlock: release the lock. always succeed. may _not_ sleep. - * @bust: optional, platform-specific bust handler, called by hwspinlock - * core to bust a specific lock. * @relax: optional, platform-specific relax handler, called by hwspinlock * core while spinning on a lock, between two successive * invocations of @trylock. may _not_ sleep. @@ -30,7 +28,6 @@ struct hwspinlock_device; struct hwspinlock_ops { int (*trylock)(struct hwspinlock *lock); void (*unlock)(struct hwspinlock *lock); - int (*bust)(struct hwspinlock *lock, unsigned int id); void (*relax)(struct hwspinlock *lock); }; diff --git a/include/linux/hwspinlock.h b/include/linux/hwspinlock.h index f0231dbc4777..bfe7c1f1ac6d 100644 --- a/include/linux/hwspinlock.h +++ b/include/linux/hwspinlock.h @@ -68,7 +68,6 @@ int __hwspin_lock_timeout(struct hwspinlock *, unsigned int, int, int __hwspin_trylock(struct hwspinlock *, int, unsigned long *); void __hwspin_unlock(struct hwspinlock *, int, unsigned long *); int of_hwspin_lock_get_id_byname(struct device_node *np, const char *name); -int hwspin_lock_bust(struct hwspinlock *hwlock, unsigned int id); int devm_hwspin_lock_free(struct device *dev, struct hwspinlock *hwlock); struct hwspinlock *devm_hwspin_lock_request(struct device *dev); struct hwspinlock *devm_hwspin_lock_request_specific(struct device *dev, @@ -128,11 +127,6 @@ void __hwspin_unlock(struct hwspinlock *hwlock, int mode, unsigned long *flags) { } -static inline int hwspin_lock_bust(struct hwspinlock *hwlock, unsigned int id) -{ - return 0; -} - static inline int of_hwspin_lock_get_id(struct device_node *np, int index) { return 0; From 70fe52b634cbb3f0221b3bb9e224524a2761f024 Mon Sep 17 00:00:00 2001 From: Greg Kroah-Hartman Date: Fri, 13 Sep 2024 05:21:58 +0000 Subject: [PATCH 690/702] Revert "Merge 751777a79a5c ("nfsd: make svc_stat per-network namespace instead of global") into android12-5.10-lts" This reverts commit 44e9ffcf8f27f726358477ec3a99826d583922cc, reversing changes made to b22678f8ef179110820ae08622f473322ab3cc75. Merge "around" the nfsd changes that are in 5.10.226 Change-Id: If3a05a4f399bca9983f2ee2433ed44037e6d050b Signed-off-by: Greg Kroah-Hartman --- fs/lockd/svc.c | 3 +++ fs/nfs/callback.c | 3 +++ fs/nfsd/nfsd.h | 1 - fs/nfsd/trace.h | 22 ---------------------- net/sunrpc/stats.c | 2 +- 5 files changed, 7 insertions(+), 24 deletions(-) diff --git a/fs/lockd/svc.c b/fs/lockd/svc.c index dbdc02935599..1a639e34847d 100644 --- a/fs/lockd/svc.c +++ b/fs/lockd/svc.c @@ -803,6 +803,8 @@ static const struct svc_version *nlmsvc_version[] = { #endif }; +static struct svc_stat nlmsvc_stats; + #define NLM_NRVERS ARRAY_SIZE(nlmsvc_version) static struct svc_program nlmsvc_program = { .pg_prog = NLM_PROGRAM, /* program number */ @@ -810,6 +812,7 @@ static struct svc_program nlmsvc_program = { .pg_vers = nlmsvc_version, /* version table */ .pg_name = "lockd", /* service name */ .pg_class = "nfsd", /* share authentication with nfsd */ + .pg_stats = &nlmsvc_stats, /* stats table */ .pg_authenticate = &lockd_authenticate, /* export authentication */ .pg_init_request = svc_generic_init_request, .pg_rpcbind_set = svc_generic_rpcbind_set, diff --git a/fs/nfs/callback.c b/fs/nfs/callback.c index b7bffe8ff2ee..7817ad94a6ba 100644 --- a/fs/nfs/callback.c +++ b/fs/nfs/callback.c @@ -450,12 +450,15 @@ static const struct svc_version *nfs4_callback_version[] = { [4] = &nfs4_callback_version4, }; +static struct svc_stat nfs4_callback_stats; + static struct svc_program nfs4_callback_program = { .pg_prog = NFS4_CALLBACK, /* RPC service number */ .pg_nvers = ARRAY_SIZE(nfs4_callback_version), /* Number of entries */ .pg_vers = nfs4_callback_version, /* version table */ .pg_name = "NFSv4 callback", /* service name */ .pg_class = "nfs", /* authentication class */ + .pg_stats = &nfs4_callback_stats, .pg_authenticate = nfs_callback_authenticate, .pg_init_request = svc_generic_init_request, .pg_rpcbind_set = svc_generic_rpcbind_set, diff --git a/fs/nfsd/nfsd.h b/fs/nfsd/nfsd.h index 1c20fe35cd77..4362d295ed34 100644 --- a/fs/nfsd/nfsd.h +++ b/fs/nfsd/nfsd.h @@ -70,7 +70,6 @@ extern struct mutex nfsd_mutex; extern spinlock_t nfsd_drc_lock; extern unsigned long nfsd_drc_max_mem; extern unsigned long nfsd_drc_mem_used; -extern atomic_t nfsd_th_cnt; /* number of available threads */ extern const struct seq_operations nfs_exports_op; diff --git a/fs/nfsd/trace.h b/fs/nfsd/trace.h index 939b1e3feeb0..a952f4a9b2a6 100644 --- a/fs/nfsd/trace.h +++ b/fs/nfsd/trace.h @@ -595,28 +595,6 @@ TRACE_EVENT(nfsd_drc_mismatch, __entry->ingress) ); -TRACE_EVENT_CONDITION(nfsd_drc_gc, - TP_PROTO( - const struct nfsd_net *nn, - unsigned long freed - ), - TP_ARGS(nn, freed), - TP_CONDITION(freed > 0), - TP_STRUCT__entry( - __field(unsigned long long, boot_time) - __field(unsigned long, freed) - __field(int, total) - ), - TP_fast_assign( - __entry->boot_time = nn->boot_time; - __entry->freed = freed; - __entry->total = atomic_read(&nn->num_drc_entries); - ), - TP_printk("boot_time=%16llx total=%d freed=%lu", - __entry->boot_time, __entry->total, __entry->freed - ) -); - TRACE_EVENT(nfsd_cb_args, TP_PROTO( const struct nfs4_client *clp, diff --git a/net/sunrpc/stats.c b/net/sunrpc/stats.c index a004c3ef35c0..c964b48eaaba 100644 --- a/net/sunrpc/stats.c +++ b/net/sunrpc/stats.c @@ -309,7 +309,7 @@ EXPORT_SYMBOL_GPL(rpc_proc_unregister); struct proc_dir_entry * svc_proc_register(struct net *net, struct svc_stat *statp, const struct proc_ops *proc_ops) { - return do_register(net, statp->program->pg_name, net, proc_ops); + return do_register(net, statp->program->pg_name, statp, proc_ops); } EXPORT_SYMBOL_GPL(svc_proc_register); From 3c59c9aebfcfe6e3d9083225cfcac398f0af0908 Mon Sep 17 00:00:00 2001 From: Greg Kroah-Hartman Date: Fri, 27 Sep 2024 14:21:45 +0000 Subject: [PATCH 691/702] Revert "clocksource/drivers/timer-of: Remove percpu irq related code" This reverts commit 0af6b80dace1df6bc947b9f28bf2251be85d1ab0 which is commit 471ef0b5a8aaca4296108e756b970acfc499ede4 upstream. It breaks the Android kernel abi and can be brought back in the future in an abi-safe way if it is really needed. Bug: 161946584 Change-Id: Ifb7997f5d2493201b64b87a39aad659525299192 Signed-off-by: Greg Kroah-Hartman --- drivers/clocksource/timer-of.c | 17 +++++++++++++---- drivers/clocksource/timer-of.h | 1 + 2 files changed, 14 insertions(+), 4 deletions(-) diff --git a/drivers/clocksource/timer-of.c b/drivers/clocksource/timer-of.c index 0b874745ff78..c5c84c7895f0 100644 --- a/drivers/clocksource/timer-of.c +++ b/drivers/clocksource/timer-of.c @@ -25,7 +25,10 @@ static void timer_of_irq_exit(struct of_timer_irq *of_irq) struct clock_event_device *clkevt = &to->clkevt; - free_irq(of_irq->irq, clkevt); + if (of_irq->percpu) + free_percpu_irq(of_irq->irq, clkevt); + else + free_irq(of_irq->irq, clkevt); } /** @@ -39,6 +42,9 @@ static void timer_of_irq_exit(struct of_timer_irq *of_irq) * - Get interrupt number by name * - Get interrupt number by index * + * When the interrupt is per CPU, 'request_percpu_irq()' is called, + * otherwise 'request_irq()' is used. + * * Returns 0 on success, < 0 otherwise */ static int timer_of_irq_init(struct device_node *np, @@ -63,9 +69,12 @@ static int timer_of_irq_init(struct device_node *np, return -EINVAL; } - ret = request_irq(of_irq->irq, of_irq->handler, - of_irq->flags ? of_irq->flags : IRQF_TIMER, - np->full_name, clkevt); + ret = of_irq->percpu ? + request_percpu_irq(of_irq->irq, of_irq->handler, + np->full_name, clkevt) : + request_irq(of_irq->irq, of_irq->handler, + of_irq->flags ? of_irq->flags : IRQF_TIMER, + np->full_name, clkevt); if (ret) { pr_err("Failed to request irq %d for %pOF\n", of_irq->irq, np); return ret; diff --git a/drivers/clocksource/timer-of.h b/drivers/clocksource/timer-of.h index 0dbc768adaa0..1b8cfac5900a 100644 --- a/drivers/clocksource/timer-of.h +++ b/drivers/clocksource/timer-of.h @@ -11,6 +11,7 @@ struct of_timer_irq { int irq; int index; + int percpu; const char *name; unsigned long flags; irq_handler_t handler; From ebdacb6176bcd5e435c4b65929cc6445c11980a5 Mon Sep 17 00:00:00 2001 From: Greg Kroah-Hartman Date: Fri, 27 Sep 2024 14:22:31 +0000 Subject: [PATCH 692/702] Revert "perf/aux: Fix AUX buffer serialization" This reverts commit 7882923f1cb88dc1a17f2bf0c81b1fc80d44db82 which is commit 2ab9d830262c132ab5db2f571003d80850d56b2a upstream. It breaks the Android kernel abi and can be brought back in the future in an abi-safe way if it is really needed. Bug: 161946584 Change-Id: Iba99f51a8d72daa315077fda4ced39e52200de89 Signed-off-by: Greg Kroah-Hartman --- kernel/events/core.c | 18 ++++++------------ kernel/events/internal.h | 1 - kernel/events/ring_buffer.c | 2 -- 3 files changed, 6 insertions(+), 15 deletions(-) diff --git a/kernel/events/core.c b/kernel/events/core.c index 6cf9cd1d966b..9fbd63813b0e 100644 --- a/kernel/events/core.c +++ b/kernel/events/core.c @@ -1336,9 +1336,8 @@ static void put_ctx(struct perf_event_context *ctx) * perf_event_context::mutex * perf_event::child_mutex; * perf_event_context::lock + * perf_event::mmap_mutex * mmap_lock - * perf_event::mmap_mutex - * perf_buffer::aux_mutex * perf_addr_filters_head::lock * * cpu_hotplug_lock @@ -6027,11 +6026,12 @@ static void perf_mmap_close(struct vm_area_struct *vma) event->pmu->event_unmapped(event, vma->vm_mm); /* - * The AUX buffer is strictly a sub-buffer, serialize using aux_mutex - * to avoid complications. + * rb->aux_mmap_count will always drop before rb->mmap_count and + * event->mmap_count, so it is ok to use event->mmap_mutex to + * serialize with perf_mmap here. */ if (rb_has_aux(rb) && vma->vm_pgoff == rb->aux_pgoff && - atomic_dec_and_mutex_lock(&rb->aux_mmap_count, &rb->aux_mutex)) { + atomic_dec_and_mutex_lock(&rb->aux_mmap_count, &event->mmap_mutex)) { /* * Stop all AUX events that are writing to this buffer, * so that we can free its AUX pages and corresponding PMU @@ -6048,7 +6048,7 @@ static void perf_mmap_close(struct vm_area_struct *vma) rb_free_aux(rb); WARN_ON_ONCE(refcount_read(&rb->aux_refcount)); - mutex_unlock(&rb->aux_mutex); + mutex_unlock(&event->mmap_mutex); } if (atomic_dec_and_test(&rb->mmap_count)) @@ -6136,7 +6136,6 @@ static int perf_mmap(struct file *file, struct vm_area_struct *vma) struct perf_event *event = file->private_data; unsigned long user_locked, user_lock_limit; struct user_struct *user = current_user(); - struct mutex *aux_mutex = NULL; struct perf_buffer *rb = NULL; unsigned long locked, lock_limit; unsigned long vma_size; @@ -6185,9 +6184,6 @@ static int perf_mmap(struct file *file, struct vm_area_struct *vma) if (!rb) goto aux_unlock; - aux_mutex = &rb->aux_mutex; - mutex_lock(aux_mutex); - aux_offset = READ_ONCE(rb->user_page->aux_offset); aux_size = READ_ONCE(rb->user_page->aux_size); @@ -6339,8 +6335,6 @@ static int perf_mmap(struct file *file, struct vm_area_struct *vma) atomic_dec(&rb->mmap_count); } aux_unlock: - if (aux_mutex) - mutex_unlock(aux_mutex); mutex_unlock(&event->mmap_mutex); /* diff --git a/kernel/events/internal.h b/kernel/events/internal.h index 6f4a7bb2b228..8e63cc2bd4f7 100644 --- a/kernel/events/internal.h +++ b/kernel/events/internal.h @@ -40,7 +40,6 @@ struct perf_buffer { struct user_struct *mmap_user; /* AUX area */ - struct mutex aux_mutex; long aux_head; unsigned int aux_nest; long aux_wakeup; /* last aux_watermark boundary crossed by aux_head */ diff --git a/kernel/events/ring_buffer.c b/kernel/events/ring_buffer.c index cc6218e2abb9..01351e7e2543 100644 --- a/kernel/events/ring_buffer.c +++ b/kernel/events/ring_buffer.c @@ -329,8 +329,6 @@ ring_buffer_init(struct perf_buffer *rb, long watermark, int flags) */ if (!rb->nr_pages) rb->paused = 1; - - mutex_init(&rb->aux_mutex); } void perf_aux_output_flag(struct perf_output_handle *handle, u64 flags) From bcfc83914084b773775c7e1fbcb106f6b309e155 Mon Sep 17 00:00:00 2001 From: Greg Kroah-Hartman Date: Mon, 30 Sep 2024 15:29:40 +0000 Subject: [PATCH 693/702] ANDROID: fix up change to pti_clone_pgtable() Due to changes in dad75cf2c313 ("x86/mm: Fix PTI for i386 some more"), the out-of-tree Android call to pti_clone_pgtable() needs to be fixed up to work/build properly, so do so. Fixes: dad75cf2c313 ("x86/mm: Fix PTI for i386 some more") Change-Id: I64c97f6a24366cd912c7552ddaf04b888702eb26 Signed-off-by: Greg Kroah-Hartman --- arch/x86/mm/pti.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/arch/x86/mm/pti.c b/arch/x86/mm/pti.c index b618ac94555f..d8af0a9696be 100644 --- a/arch/x86/mm/pti.c +++ b/arch/x86/mm/pti.c @@ -511,7 +511,7 @@ static void pti_clone_entry_text(bool late) if (IS_ENABLED(CONFIG_CFI_CLANG)) pti_clone_pgtable((unsigned long) __cfi_jt_start, (unsigned long) __cfi_jt_end, - PTI_CLONE_PMD); + PTI_CLONE_PMD, late); } /* From 90336334a0cb1a6a893fd68d7aaa60d8f92cfd14 Mon Sep 17 00:00:00 2001 From: Greg Kroah-Hartman Date: Mon, 30 Sep 2024 15:31:50 +0000 Subject: [PATCH 694/702] Revert "bareudp: Fix device stats updates." This reverts commit 3c0cedc22c971b4bfb67ca42543e19c2b8ba197f which is commit 4963d2343af81f493519f9c3ea9f2169eaa7353a upstream. It breaks the Android kernel abi and can be brought back in the future in an abi-safe way if it is really needed. Bug: 161946584 Change-Id: I48ce6e3c9debba23e97beaca04a004a2ab9e0970 Signed-off-by: Greg Kroah-Hartman --- drivers/net/bareudp.c | 22 +++++++++++----------- 1 file changed, 11 insertions(+), 11 deletions(-) diff --git a/drivers/net/bareudp.c b/drivers/net/bareudp.c index d9917120b8fa..53ef48588e59 100644 --- a/drivers/net/bareudp.c +++ b/drivers/net/bareudp.c @@ -75,7 +75,7 @@ static int bareudp_udp_encap_recv(struct sock *sk, struct sk_buff *skb) if (skb_copy_bits(skb, BAREUDP_BASE_HLEN, &ipversion, sizeof(ipversion))) { - DEV_STATS_INC(bareudp->dev, rx_dropped); + bareudp->dev->stats.rx_dropped++; goto drop; } ipversion >>= 4; @@ -85,7 +85,7 @@ static int bareudp_udp_encap_recv(struct sock *sk, struct sk_buff *skb) } else if (ipversion == 6 && bareudp->multi_proto_mode) { proto = htons(ETH_P_IPV6); } else { - DEV_STATS_INC(bareudp->dev, rx_dropped); + bareudp->dev->stats.rx_dropped++; goto drop; } } else if (bareudp->ethertype == htons(ETH_P_MPLS_UC)) { @@ -99,7 +99,7 @@ static int bareudp_udp_encap_recv(struct sock *sk, struct sk_buff *skb) ipv4_is_multicast(tunnel_hdr->daddr)) { proto = htons(ETH_P_MPLS_MC); } else { - DEV_STATS_INC(bareudp->dev, rx_dropped); + bareudp->dev->stats.rx_dropped++; goto drop; } } else { @@ -115,7 +115,7 @@ static int bareudp_udp_encap_recv(struct sock *sk, struct sk_buff *skb) (addr_type & IPV6_ADDR_MULTICAST)) { proto = htons(ETH_P_MPLS_MC); } else { - DEV_STATS_INC(bareudp->dev, rx_dropped); + bareudp->dev->stats.rx_dropped++; goto drop; } } @@ -127,12 +127,12 @@ static int bareudp_udp_encap_recv(struct sock *sk, struct sk_buff *skb) proto, !net_eq(bareudp->net, dev_net(bareudp->dev)))) { - DEV_STATS_INC(bareudp->dev, rx_dropped); + bareudp->dev->stats.rx_dropped++; goto drop; } tun_dst = udp_tun_rx_dst(skb, family, TUNNEL_KEY, 0, 0); if (!tun_dst) { - DEV_STATS_INC(bareudp->dev, rx_dropped); + bareudp->dev->stats.rx_dropped++; goto drop; } skb_dst_set(skb, &tun_dst->dst); @@ -157,8 +157,8 @@ static int bareudp_udp_encap_recv(struct sock *sk, struct sk_buff *skb) &((struct ipv6hdr *)oiph)->saddr); } if (err > 1) { - DEV_STATS_INC(bareudp->dev, rx_frame_errors); - DEV_STATS_INC(bareudp->dev, rx_errors); + ++bareudp->dev->stats.rx_frame_errors; + ++bareudp->dev->stats.rx_errors; goto drop; } } @@ -453,11 +453,11 @@ static netdev_tx_t bareudp_xmit(struct sk_buff *skb, struct net_device *dev) dev_kfree_skb(skb); if (err == -ELOOP) - DEV_STATS_INC(dev, collisions); + dev->stats.collisions++; else if (err == -ENETUNREACH) - DEV_STATS_INC(dev, tx_carrier_errors); + dev->stats.tx_carrier_errors++; - DEV_STATS_INC(dev, tx_errors); + dev->stats.tx_errors++; return NETDEV_TX_OK; } From bfa0f472d51916b6c6b6e06afb0293fcbe807fcb Mon Sep 17 00:00:00 2001 From: Greg Kroah-Hartman Date: Mon, 30 Sep 2024 17:36:17 +0000 Subject: [PATCH 695/702] Revert "udf: Avoid excessive partition lengths" This reverts commit 551966371e17912564bc387fbeb2ac13077c3db1 which is commit ebbe26fd54a9621994bc16b14f2ba8f84c089693 upstream. It breaks the Android kernel build as it adds a warning. UDF is not a supported Android filesystem, so it is safe to revert. Change-Id: I127bf634f2b8f50ff96363264393a9e9477957af Signed-off-by: Greg Kroah-Hartman --- fs/udf/super.c | 15 --------------- 1 file changed, 15 deletions(-) diff --git a/fs/udf/super.c b/fs/udf/super.c index 68d9d2d3249a..d73fe54ee26f 100644 --- a/fs/udf/super.c +++ b/fs/udf/super.c @@ -1083,19 +1083,12 @@ static int udf_fill_partdesc_info(struct super_block *sb, struct udf_part_map *map; struct udf_sb_info *sbi = UDF_SB(sb); struct partitionHeaderDesc *phd; - u32 sum; int err; map = &sbi->s_partmaps[p_index]; map->s_partition_len = le32_to_cpu(p->partitionLength); /* blocks */ map->s_partition_root = le32_to_cpu(p->partitionStartingLocation); - if (check_add_overflow(map->s_partition_root, map->s_partition_len, - &sum)) { - udf_err(sb, "Partition %d has invalid location %u + %u\n", - p_index, map->s_partition_root, map->s_partition_len); - return -EFSCORRUPTED; - } if (p->accessType == cpu_to_le32(PD_ACCESS_TYPE_READ_ONLY)) map->s_partition_flags |= UDF_PART_FLAG_READ_ONLY; @@ -1151,14 +1144,6 @@ static int udf_fill_partdesc_info(struct super_block *sb, bitmap->s_extPosition = le32_to_cpu( phd->unallocSpaceBitmap.extPosition); map->s_partition_flags |= UDF_PART_FLAG_UNALLOC_BITMAP; - /* Check whether math over bitmap won't overflow. */ - if (check_add_overflow(map->s_partition_len, - sizeof(struct spaceBitmapDesc) << 3, - &sum)) { - udf_err(sb, "Partition %d is too long (%u)\n", p_index, - map->s_partition_len); - return -EFSCORRUPTED; - } udf_debug("unallocSpaceBitmap (part %d) @ %u\n", p_index, bitmap->s_extPosition); } From 0e3d191eaf553320a93290b84de9ce1781febb64 Mon Sep 17 00:00:00 2001 From: Kalesh Singh Date: Tue, 24 Sep 2024 23:28:56 +0000 Subject: [PATCH 696/702] ANDROID: 16K: Introduce pgsize_migration_inline.h Introduce inline header to avoid circular dependency. This will be used in a subsequent patch. Also take opportunity to do some small noop refactor in vma_pad_pages() and split_pad_vma() for more robust code. Bug: 357901498 Change-Id: Ia5f447758d0d07ed3e1429ca1e35dcc0741cc22a Signed-off-by: Kalesh Singh --- include/linux/pgsize_migration.h | 39 +------------- include/linux/pgsize_migration_inline.h | 67 +++++++++++++++++++++++++ mm/pgsize_migration.c | 16 +----- 3 files changed, 71 insertions(+), 51 deletions(-) create mode 100644 include/linux/pgsize_migration_inline.h diff --git a/include/linux/pgsize_migration.h b/include/linux/pgsize_migration.h index e3dc1de19f83..48672dbc84e9 100644 --- a/include/linux/pgsize_migration.h +++ b/include/linux/pgsize_migration.h @@ -13,35 +13,9 @@ * page size in Android. */ -#include +#include #include -#include - -/* - * vm_flags representation of VMA padding pages. - * - * This allows the kernel to identify the portion of an ELF LOAD segment VMA - * that is padding. - * - * 4 high bits of vm_flags [63,60] are used to represent ELF segment padding - * up to 60kB, which is sufficient for ELFs of both 16kB and 64kB segment - * alignment (p_align). - * - * The representation is illustrated below. - * - * 63 62 61 60 - * _________ _________ _________ _________ - * | Bit 3 | Bit 2 | Bit 1 | Bit 0 | - * | of 4kB | of 4kB | of 4kB | of 4kB | - * | chunks | chunks | chunks | chunks | - * |_________|_________|_________|_________| - */ - -#define VM_PAD_WIDTH 4 -#define VM_PAD_SHIFT (BITS_PER_LONG - VM_PAD_WIDTH) -#define VM_TOTAL_PAD_PAGES ((1ULL << VM_PAD_WIDTH) - 1) -#define VM_PAD_MASK (VM_TOTAL_PAD_PAGES << VM_PAD_SHIFT) -#define VMA_PAD_START(vma) (vma->vm_end - (vma_pad_pages(vma) << PAGE_SHIFT)) +#include #if PAGE_SIZE == SZ_4K && defined(CONFIG_64BIT) extern void vma_set_pad_pages(struct vm_area_struct *vma, @@ -63,9 +37,6 @@ extern void show_map_pad_vma(struct vm_area_struct *vma, extern void split_pad_vma(struct vm_area_struct *vma, struct vm_area_struct *new, unsigned long addr, int new_below); -extern unsigned long vma_pad_fixup_flags(struct vm_area_struct *vma, - unsigned long newflags); - extern bool is_mergable_pad_vma(struct vm_area_struct *vma, unsigned long vm_flags); @@ -107,12 +78,6 @@ static inline void split_pad_vma(struct vm_area_struct *vma, struct vm_area_stru { } -static inline unsigned long vma_pad_fixup_flags(struct vm_area_struct *vma, - unsigned long newflags) -{ - return newflags; -} - static inline bool is_mergable_pad_vma(struct vm_area_struct *vma, unsigned long vm_flags) { diff --git a/include/linux/pgsize_migration_inline.h b/include/linux/pgsize_migration_inline.h new file mode 100644 index 000000000000..362eed4b7dcc --- /dev/null +++ b/include/linux/pgsize_migration_inline.h @@ -0,0 +1,67 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +#ifndef _LINUX_PAGE_SIZE_MIGRATION_INLINE_H +#define _LINUX_PAGE_SIZE_MIGRATION_INLINE_H + +/* + * Page Size Migration + * + * Copyright (c) 2024, Google LLC. + * Author: Kalesh Singh + * + * This file contains inline APIs for mitigations to ensure + * app compatibility during the transition from 4kB to 16kB + * page size in Android. + */ + +#include +#include + +#include + +/* + * vm_flags representation of VMA padding pages. + * + * This allows the kernel to identify the portion of an ELF LOAD segment VMA + * that is padding. + * + * 4 high bits of vm_flags [63,60] are used to represent ELF segment padding + * up to 60kB, which is sufficient for ELFs of both 16kB and 64kB segment + * alignment (p_align). + * + * The representation is illustrated below. + * + * 63 62 61 60 + * _________ _________ _________ _________ + * | Bit 3 | Bit 2 | Bit 1 | Bit 0 | + * | of 4kB | of 4kB | of 4kB | of 4kB | + * | chunks | chunks | chunks | chunks | + * |_________|_________|_________|_________| + */ + +#define VM_PAD_WIDTH 4 +#define VM_PAD_SHIFT (BITS_PER_LONG - VM_PAD_WIDTH) +#define VM_TOTAL_PAD_PAGES ((1ULL << VM_PAD_WIDTH) - 1) +#define VM_PAD_MASK (VM_TOTAL_PAD_PAGES << VM_PAD_SHIFT) +#define VMA_PAD_START(vma) (vma->vm_end - (vma_pad_pages(vma) << PAGE_SHIFT)) + +#if PAGE_SIZE == SZ_4K && defined(CONFIG_64BIT) +/* + * Sets the correct padding bits / flags for a VMA split. + */ +static inline unsigned long vma_pad_fixup_flags(struct vm_area_struct *vma, + unsigned long newflags) +{ + if (newflags & VM_PAD_MASK) + return (newflags & ~VM_PAD_MASK) | (vma->vm_flags & VM_PAD_MASK); + else + return newflags; +} +#else /* PAGE_SIZE != SZ_4K || !defined(CONFIG_64BIT) */ +static inline unsigned long vma_pad_fixup_flags(struct vm_area_struct *vma, + unsigned long newflags) +{ + return newflags; +} +#endif /* PAGE_SIZE == SZ_4K && defined(CONFIG_64BIT) */ + +#endif /* _LINUX_PAGE_SIZE_MIGRATION_INLINE_H */ diff --git a/mm/pgsize_migration.c b/mm/pgsize_migration.c index 2c6c13de664b..c24c1e9f9ccd 100644 --- a/mm/pgsize_migration.c +++ b/mm/pgsize_migration.c @@ -126,7 +126,7 @@ unsigned long vma_pad_pages(struct vm_area_struct *vma) if (!is_pgsize_migration_enabled()) return 0; - return vma->vm_flags >> VM_PAD_SHIFT; + return (vma->vm_flags & VM_PAD_MASK) >> VM_PAD_SHIFT; } static __always_inline bool str_has_suffix(const char *str, const char *suffix) @@ -397,7 +397,7 @@ void split_pad_vma(struct vm_area_struct *vma, struct vm_area_struct *new, nr_vma2_pages = vma_pages(second); if (nr_vma2_pages >= nr_pad_pages) { /* Case 1 & 3 */ - first->vm_flags &= ~VM_PAD_MASK; + vma_set_pad_pages(first, 0); vma_set_pad_pages(second, nr_pad_pages); } else { /* Case 2 */ vma_set_pad_pages(first, nr_pad_pages - nr_vma2_pages); @@ -405,18 +405,6 @@ void split_pad_vma(struct vm_area_struct *vma, struct vm_area_struct *new, } } -/* - * Sets the correct padding bits / flags for a VMA split. - */ -unsigned long vma_pad_fixup_flags(struct vm_area_struct *vma, - unsigned long newflags) -{ - if (newflags & VM_PAD_MASK) - return (newflags & ~VM_PAD_MASK) | (vma->vm_flags & VM_PAD_MASK); - else - return newflags; -} - /* * Merging of padding VMAs is uncommon, as padding is only allowed * from the linker context. From 66aebe42e60a00f8251262dac9c9db910a2c2257 Mon Sep 17 00:00:00 2001 From: Kalesh Singh Date: Mon, 23 Sep 2024 22:26:26 +0000 Subject: [PATCH 697/702] ANDROID: 16K: Fixup padding vm_flags bits on VMA splits In some cases VMAs are split without the mmap write lock held; later the lock is taken to fixup vm_flags of the original VMA. Since some uppper bits of vm_flags are used to encode the ELF padding ranges, they need to be modified on splits. This is usually handled correctly by __split_vma(). However in the above case, the flags get over witten later under the write lock. Preserve vm_flag bits on reset to correctly represent padding. Bug: 357901498 Change-Id: I1cb75419e614791a47cbdb0341373f619daf0bf2 Signed-off-by: Kalesh Singh --- fs/userfaultfd.c | 5 +++-- mm/madvise.c | 2 +- 2 files changed, 4 insertions(+), 3 deletions(-) diff --git a/fs/userfaultfd.c b/fs/userfaultfd.c index 8cc9faac4b9c..a572b13d086f 100644 --- a/fs/userfaultfd.c +++ b/fs/userfaultfd.c @@ -28,6 +28,7 @@ #include #include #include +#include int sysctl_unprivileged_userfaultfd __read_mostly; @@ -1511,7 +1512,7 @@ static int userfaultfd_register(struct userfaultfd_ctx *ctx, * the current one has not been updated yet. */ vm_write_begin(vma); - WRITE_ONCE(vma->vm_flags, new_flags); + WRITE_ONCE(vma->vm_flags, vma_pad_fixup_flags(vma, new_flags)); rcu_assign_pointer(vma->vm_userfaultfd_ctx.ctx, ctx); vm_write_end(vma); @@ -1694,7 +1695,7 @@ static int userfaultfd_unregister(struct userfaultfd_ctx *ctx, * the current one has not been updated yet. */ vm_write_begin(vma); - WRITE_ONCE(vma->vm_flags, new_flags); + WRITE_ONCE(vma->vm_flags, vma_pad_fixup_flags(vma, new_flags)); rcu_assign_pointer(vma->vm_userfaultfd_ctx.ctx, NULL); vm_write_end(vma); diff --git a/mm/madvise.c b/mm/madvise.c index 410f366b5df4..7d386e9051fb 100644 --- a/mm/madvise.c +++ b/mm/madvise.c @@ -172,7 +172,7 @@ static long madvise_behavior(struct vm_area_struct *vma, * vm_flags is protected by the mmap_lock held in write mode. */ vm_write_begin(vma); - WRITE_ONCE(vma->vm_flags, new_flags); + WRITE_ONCE(vma->vm_flags, vma_pad_fixup_flags(vma, new_flags)); vm_write_end(vma); out_convert_errno: From 51b9e859a4c48652e764298f8f41caba69f88a3d Mon Sep 17 00:00:00 2001 From: Gabriel Krisman Bertazi Date: Tue, 8 Oct 2024 18:43:16 -0400 Subject: [PATCH 698/702] UPSTREAM: unicode: Don't special case ignorable code points We don't need to handle them separately. Instead, just let them decompose/casefold to themselves. Change-Id: I01c3f2c98ae4d84269586cec09f18239cbee0abb Signed-off-by: Gabriel Krisman Bertazi (cherry picked from commit 5c26d2f1d3f5e4be3e196526bead29ecb139cf91) Signed-off-by: Greg Kroah-Hartman --- fs/unicode/mkutf8data.c | 70 - fs/unicode/utf8data.h_shipped | 6703 ++++++++++++++++----------------- 2 files changed, 3346 insertions(+), 3427 deletions(-) diff --git a/fs/unicode/mkutf8data.c b/fs/unicode/mkutf8data.c index ff2025ac5a32..b9c8d0164380 100644 --- a/fs/unicode/mkutf8data.c +++ b/fs/unicode/mkutf8data.c @@ -2230,75 +2230,6 @@ static void nfdicf_init(void) file_fail(fold_name); } -static void ignore_init(void) -{ - FILE *file; - unsigned int unichar; - unsigned int first; - unsigned int last; - unsigned int *um; - int count; - int ret; - - if (verbose > 0) - printf("Parsing %s\n", prop_name); - file = fopen(prop_name, "r"); - if (!file) - open_fail(prop_name, errno); - assert(file); - count = 0; - while (fgets(line, LINESIZE, file)) { - ret = sscanf(line, "%X..%X ; %s # ", &first, &last, buf0); - if (ret == 3) { - if (strcmp(buf0, "Default_Ignorable_Code_Point")) - continue; - if (!utf32valid(first) || !utf32valid(last)) - line_fail(prop_name, line); - for (unichar = first; unichar <= last; unichar++) { - free(unicode_data[unichar].utf32nfdi); - um = malloc(sizeof(unsigned int)); - *um = 0; - unicode_data[unichar].utf32nfdi = um; - free(unicode_data[unichar].utf32nfdicf); - um = malloc(sizeof(unsigned int)); - *um = 0; - unicode_data[unichar].utf32nfdicf = um; - count++; - } - if (verbose > 1) - printf(" %X..%X Default_Ignorable_Code_Point\n", - first, last); - continue; - } - ret = sscanf(line, "%X ; %s # ", &unichar, buf0); - if (ret == 2) { - if (strcmp(buf0, "Default_Ignorable_Code_Point")) - continue; - if (!utf32valid(unichar)) - line_fail(prop_name, line); - free(unicode_data[unichar].utf32nfdi); - um = malloc(sizeof(unsigned int)); - *um = 0; - unicode_data[unichar].utf32nfdi = um; - free(unicode_data[unichar].utf32nfdicf); - um = malloc(sizeof(unsigned int)); - *um = 0; - unicode_data[unichar].utf32nfdicf = um; - if (verbose > 1) - printf(" %X Default_Ignorable_Code_Point\n", - unichar); - count++; - continue; - } - } - fclose(file); - - if (verbose > 0) - printf("Found %d entries\n", count); - if (count == 0) - file_fail(prop_name); -} - static void corrections_init(void) { FILE *file; @@ -3396,7 +3327,6 @@ int main(int argc, char *argv[]) ccc_init(); nfdi_init(); nfdicf_init(); - ignore_init(); corrections_init(); hangul_decompose(); nfdi_decompose(); diff --git a/fs/unicode/utf8data.h_shipped b/fs/unicode/utf8data.h_shipped index 76e4f0e1b089..205d99312c10 100644 --- a/fs/unicode/utf8data.h_shipped +++ b/fs/unicode/utf8data.h_shipped @@ -83,58 +83,58 @@ static const struct utf8data utf8nfdidata[] = { { 0xc0100, 20736 } }; -static const unsigned char utf8data[64256] = { +static const unsigned char utf8data[64080] = { /* nfdicf_30100 */ - 0xd7,0x07,0x66,0x84,0x0c,0x01,0x00,0xc6,0xd5,0x16,0xe4,0x99,0x1a,0xe3,0x63,0x15, - 0xe2,0x4c,0x0e,0xc1,0xe0,0x4e,0x0d,0xcf,0x86,0x65,0x2d,0x0d,0x01,0x00,0xd4,0xb8, - 0xd3,0x27,0xe2,0x89,0xa3,0xe1,0xce,0x35,0xe0,0x2c,0x22,0xcf,0x86,0xc5,0xe4,0x15, - 0x6d,0xe3,0x60,0x68,0xe2,0xf6,0x65,0xe1,0x29,0x65,0xe0,0xee,0x64,0xcf,0x86,0xe5, - 0xb3,0x64,0x64,0x96,0x64,0x0b,0x00,0xd2,0x0e,0xe1,0xb5,0x3c,0xe0,0xba,0xa3,0xcf, - 0x86,0xcf,0x06,0x01,0x00,0xd1,0x0c,0xe0,0x1e,0xa9,0xcf,0x86,0xcf,0x06,0x02,0xff, + 0xd7,0x07,0x66,0x84,0x0c,0x01,0x00,0xc6,0xd5,0x16,0xe4,0x96,0x1a,0xe3,0x60,0x15, + 0xe2,0x49,0x0e,0xc1,0xe0,0x4b,0x0d,0xcf,0x86,0x65,0x2d,0x0d,0x01,0x00,0xd4,0xb8, + 0xd3,0x27,0xe2,0x03,0xa3,0xe1,0xcb,0x35,0xe0,0x29,0x22,0xcf,0x86,0xc5,0xe4,0xfa, + 0x6c,0xe3,0x45,0x68,0xe2,0xdb,0x65,0xe1,0x0e,0x65,0xe0,0xd3,0x64,0xcf,0x86,0xe5, + 0x98,0x64,0x64,0x7b,0x64,0x0b,0x00,0xd2,0x0e,0xe1,0xb3,0x3c,0xe0,0x34,0xa3,0xcf, + 0x86,0xcf,0x06,0x01,0x00,0xd1,0x0c,0xe0,0x98,0xa8,0xcf,0x86,0xcf,0x06,0x02,0xff, 0xff,0xd0,0x08,0xcf,0x86,0xcf,0x06,0x01,0x00,0xcf,0x86,0xd5,0x06,0xcf,0x06,0x01, - 0x00,0xe4,0xe1,0x45,0xe3,0x3b,0x45,0xd2,0x06,0xcf,0x06,0x01,0x00,0xe1,0x87,0xad, - 0xd0,0x21,0xcf,0x86,0xe5,0x81,0xaa,0xe4,0x00,0xaa,0xe3,0xbf,0xa9,0xe2,0x9e,0xa9, - 0xe1,0x8d,0xa9,0x10,0x08,0x01,0xff,0xe8,0xb1,0x88,0x00,0x01,0xff,0xe6,0x9b,0xb4, - 0x00,0xcf,0x86,0xe5,0x63,0xac,0xd4,0x19,0xe3,0xa2,0xab,0xe2,0x81,0xab,0xe1,0x70, - 0xab,0x10,0x08,0x01,0xff,0xe9,0xb9,0xbf,0x00,0x01,0xff,0xe8,0xab,0x96,0x00,0xe3, - 0x09,0xac,0xe2,0xe8,0xab,0xe1,0xd7,0xab,0x10,0x08,0x01,0xff,0xe7,0xb8,0xb7,0x00, - 0x01,0xff,0xe9,0x9b,0xbb,0x00,0x83,0xe2,0x19,0xfa,0xe1,0xf2,0xf6,0xe0,0x6f,0xf5, - 0xcf,0x86,0xd5,0x31,0xc4,0xe3,0x54,0x4e,0xe2,0xf5,0x4c,0xe1,0xa4,0xcc,0xe0,0x9c, - 0x4b,0xcf,0x86,0xe5,0x8e,0x49,0xe4,0xaf,0x46,0xe3,0x11,0xbd,0xe2,0x68,0xbc,0xe1, - 0x43,0xbc,0xe0,0x1c,0xbc,0xcf,0x86,0xe5,0xe9,0xbb,0x94,0x07,0x63,0xd4,0xbb,0x07, - 0x00,0x07,0x00,0xe4,0xdb,0xf4,0xd3,0x08,0xcf,0x86,0xcf,0x06,0x05,0x00,0xd2,0x0b, - 0xe1,0xea,0xe1,0xcf,0x86,0xcf,0x06,0x05,0x00,0xd1,0x0e,0xe0,0xd9,0xe2,0xcf,0x86, - 0xe5,0x9e,0xe2,0xcf,0x06,0x11,0x00,0xd0,0x0b,0xcf,0x86,0xe5,0xd9,0xe2,0xcf,0x06, - 0x13,0x00,0xcf,0x86,0xd5,0x06,0xcf,0x06,0x00,0x00,0xe4,0x74,0xf4,0xe3,0x5d,0xf3, - 0xd2,0xa0,0xe1,0x13,0xe7,0xd0,0x21,0xcf,0x86,0xe5,0x14,0xe4,0xe4,0x90,0xe3,0xe3, - 0x4e,0xe3,0xe2,0x2d,0xe3,0xe1,0x1b,0xe3,0x10,0x08,0x05,0xff,0xe4,0xb8,0xbd,0x00, - 0x05,0xff,0xe4,0xb8,0xb8,0x00,0xcf,0x86,0xd5,0x1c,0xe4,0x70,0xe5,0xe3,0x2f,0xe5, - 0xe2,0x0e,0xe5,0xe1,0xfd,0xe4,0x10,0x08,0x05,0xff,0xe5,0x92,0xa2,0x00,0x05,0xff, - 0xe5,0x93,0xb6,0x00,0xd4,0x34,0xd3,0x18,0xe2,0xf7,0xe5,0xe1,0xe6,0xe5,0x10,0x09, - 0x05,0xff,0xf0,0xa1,0x9a,0xa8,0x00,0x05,0xff,0xf0,0xa1,0x9b,0xaa,0x00,0xe2,0x17, - 0xe6,0x91,0x11,0x10,0x09,0x05,0xff,0xf0,0xa1,0x8d,0xaa,0x00,0x05,0xff,0xe5,0xac, - 0x88,0x00,0x05,0xff,0xe5,0xac,0xbe,0x00,0xe3,0x5d,0xe6,0xd2,0x14,0xe1,0x2c,0xe6, + 0x00,0xe4,0xdf,0x45,0xe3,0x39,0x45,0xd2,0x06,0xcf,0x06,0x01,0x00,0xe1,0x01,0xad, + 0xd0,0x21,0xcf,0x86,0xe5,0xfb,0xa9,0xe4,0x7a,0xa9,0xe3,0x39,0xa9,0xe2,0x18,0xa9, + 0xe1,0x07,0xa9,0x10,0x08,0x01,0xff,0xe8,0xb1,0x88,0x00,0x01,0xff,0xe6,0x9b,0xb4, + 0x00,0xcf,0x86,0xe5,0xdd,0xab,0xd4,0x19,0xe3,0x1c,0xab,0xe2,0xfb,0xaa,0xe1,0xea, + 0xaa,0x10,0x08,0x01,0xff,0xe9,0xb9,0xbf,0x00,0x01,0xff,0xe8,0xab,0x96,0x00,0xe3, + 0x83,0xab,0xe2,0x62,0xab,0xe1,0x51,0xab,0x10,0x08,0x01,0xff,0xe7,0xb8,0xb7,0x00, + 0x01,0xff,0xe9,0x9b,0xbb,0x00,0x83,0xe2,0x68,0xf9,0xe1,0x52,0xf6,0xe0,0xcf,0xf4, + 0xcf,0x86,0xd5,0x31,0xc4,0xe3,0x51,0x4e,0xe2,0xf2,0x4c,0xe1,0x09,0xcc,0xe0,0x99, + 0x4b,0xcf,0x86,0xe5,0x8b,0x49,0xe4,0xac,0x46,0xe3,0x76,0xbc,0xe2,0xcd,0xbb,0xe1, + 0xa8,0xbb,0xe0,0x81,0xbb,0xcf,0x86,0xe5,0x4e,0xbb,0x94,0x07,0x63,0x39,0xbb,0x07, + 0x00,0x07,0x00,0xe4,0x3b,0xf4,0xd3,0x08,0xcf,0x86,0xcf,0x06,0x05,0x00,0xd2,0x0b, + 0xe1,0x4a,0xe1,0xcf,0x86,0xcf,0x06,0x05,0x00,0xd1,0x0e,0xe0,0x39,0xe2,0xcf,0x86, + 0xe5,0xfe,0xe1,0xcf,0x06,0x11,0x00,0xd0,0x0b,0xcf,0x86,0xe5,0x39,0xe2,0xcf,0x06, + 0x13,0x00,0xcf,0x86,0xd5,0x06,0xcf,0x06,0x00,0x00,0xe4,0xd4,0xf3,0xe3,0xbd,0xf2, + 0xd2,0xa0,0xe1,0x73,0xe6,0xd0,0x21,0xcf,0x86,0xe5,0x74,0xe3,0xe4,0xf0,0xe2,0xe3, + 0xae,0xe2,0xe2,0x8d,0xe2,0xe1,0x7b,0xe2,0x10,0x08,0x05,0xff,0xe4,0xb8,0xbd,0x00, + 0x05,0xff,0xe4,0xb8,0xb8,0x00,0xcf,0x86,0xd5,0x1c,0xe4,0xd0,0xe4,0xe3,0x8f,0xe4, + 0xe2,0x6e,0xe4,0xe1,0x5d,0xe4,0x10,0x08,0x05,0xff,0xe5,0x92,0xa2,0x00,0x05,0xff, + 0xe5,0x93,0xb6,0x00,0xd4,0x34,0xd3,0x18,0xe2,0x57,0xe5,0xe1,0x46,0xe5,0x10,0x09, + 0x05,0xff,0xf0,0xa1,0x9a,0xa8,0x00,0x05,0xff,0xf0,0xa1,0x9b,0xaa,0x00,0xe2,0x77, + 0xe5,0x91,0x11,0x10,0x09,0x05,0xff,0xf0,0xa1,0x8d,0xaa,0x00,0x05,0xff,0xe5,0xac, + 0x88,0x00,0x05,0xff,0xe5,0xac,0xbe,0x00,0xe3,0xbd,0xe5,0xd2,0x14,0xe1,0x8c,0xe5, 0x10,0x08,0x05,0xff,0xe5,0xaf,0xb3,0x00,0x05,0xff,0xf0,0xa1,0xac,0x98,0x00,0xe1, - 0x38,0xe6,0x10,0x08,0x05,0xff,0xe5,0xbc,0xb3,0x00,0x05,0xff,0xe5,0xb0,0xa2,0x00, - 0xd1,0xd5,0xd0,0x6a,0xcf,0x86,0xe5,0x8d,0xeb,0xd4,0x19,0xe3,0xc6,0xea,0xe2,0xa4, - 0xea,0xe1,0x93,0xea,0x10,0x08,0x05,0xff,0xe6,0xb4,0xbe,0x00,0x05,0xff,0xe6,0xb5, - 0xb7,0x00,0xd3,0x18,0xe2,0x10,0xeb,0xe1,0xff,0xea,0x10,0x09,0x05,0xff,0xf0,0xa3, - 0xbd,0x9e,0x00,0x05,0xff,0xf0,0xa3,0xbe,0x8e,0x00,0xd2,0x13,0xe1,0x28,0xeb,0x10, + 0x98,0xe5,0x10,0x08,0x05,0xff,0xe5,0xbc,0xb3,0x00,0x05,0xff,0xe5,0xb0,0xa2,0x00, + 0xd1,0xd5,0xd0,0x6a,0xcf,0x86,0xe5,0xed,0xea,0xd4,0x19,0xe3,0x26,0xea,0xe2,0x04, + 0xea,0xe1,0xf3,0xe9,0x10,0x08,0x05,0xff,0xe6,0xb4,0xbe,0x00,0x05,0xff,0xe6,0xb5, + 0xb7,0x00,0xd3,0x18,0xe2,0x70,0xea,0xe1,0x5f,0xea,0x10,0x09,0x05,0xff,0xf0,0xa3, + 0xbd,0x9e,0x00,0x05,0xff,0xf0,0xa3,0xbe,0x8e,0x00,0xd2,0x13,0xe1,0x88,0xea,0x10, 0x08,0x05,0xff,0xe7,0x81,0xbd,0x00,0x05,0xff,0xe7,0x81,0xb7,0x00,0xd1,0x11,0x10, 0x08,0x05,0xff,0xe7,0x85,0x85,0x00,0x05,0xff,0xf0,0xa4,0x89,0xa3,0x00,0x10,0x08, - 0x05,0xff,0xe7,0x86,0x9c,0x00,0x05,0xff,0xe4,0x8e,0xab,0x00,0xcf,0x86,0xe5,0x2a, - 0xed,0xd4,0x1a,0xe3,0x62,0xec,0xe2,0x48,0xec,0xe1,0x35,0xec,0x10,0x08,0x05,0xff, - 0xe7,0x9b,0xb4,0x00,0x05,0xff,0xf0,0xa5,0x83,0xb3,0x00,0xd3,0x16,0xe2,0xaa,0xec, - 0xe1,0x98,0xec,0x10,0x08,0x05,0xff,0xe7,0xa3,0x8c,0x00,0x05,0xff,0xe4,0x83,0xa3, - 0x00,0xd2,0x13,0xe1,0xc6,0xec,0x10,0x08,0x05,0xff,0xe4,0x84,0xaf,0x00,0x05,0xff, + 0x05,0xff,0xe7,0x86,0x9c,0x00,0x05,0xff,0xe4,0x8e,0xab,0x00,0xcf,0x86,0xe5,0x8a, + 0xec,0xd4,0x1a,0xe3,0xc2,0xeb,0xe2,0xa8,0xeb,0xe1,0x95,0xeb,0x10,0x08,0x05,0xff, + 0xe7,0x9b,0xb4,0x00,0x05,0xff,0xf0,0xa5,0x83,0xb3,0x00,0xd3,0x16,0xe2,0x0a,0xec, + 0xe1,0xf8,0xeb,0x10,0x08,0x05,0xff,0xe7,0xa3,0x8c,0x00,0x05,0xff,0xe4,0x83,0xa3, + 0x00,0xd2,0x13,0xe1,0x26,0xec,0x10,0x08,0x05,0xff,0xe4,0x84,0xaf,0x00,0x05,0xff, 0xe7,0xa9,0x80,0x00,0xd1,0x12,0x10,0x09,0x05,0xff,0xf0,0xa5,0xa5,0xbc,0x00,0x05, 0xff,0xf0,0xa5,0xaa,0xa7,0x00,0x10,0x09,0x05,0xff,0xf0,0xa5,0xaa,0xa7,0x00,0x05, - 0xff,0xe7,0xaa,0xae,0x00,0xe0,0xdc,0xef,0xcf,0x86,0xd5,0x1d,0xe4,0x51,0xee,0xe3, - 0x0d,0xee,0xe2,0xeb,0xed,0xe1,0xda,0xed,0x10,0x09,0x05,0xff,0xf0,0xa3,0x8d,0x9f, - 0x00,0x05,0xff,0xe4,0x8f,0x95,0x00,0xd4,0x19,0xe3,0xf8,0xee,0xe2,0xd4,0xee,0xe1, - 0xc3,0xee,0x10,0x08,0x05,0xff,0xe8,0x8d,0x93,0x00,0x05,0xff,0xe8,0x8f,0x8a,0x00, - 0xd3,0x18,0xe2,0x43,0xef,0xe1,0x32,0xef,0x10,0x09,0x05,0xff,0xf0,0xa6,0xbe,0xb1, - 0x00,0x05,0xff,0xf0,0xa7,0x83,0x92,0x00,0xd2,0x13,0xe1,0x5b,0xef,0x10,0x08,0x05, + 0xff,0xe7,0xaa,0xae,0x00,0xe0,0x3c,0xef,0xcf,0x86,0xd5,0x1d,0xe4,0xb1,0xed,0xe3, + 0x6d,0xed,0xe2,0x4b,0xed,0xe1,0x3a,0xed,0x10,0x09,0x05,0xff,0xf0,0xa3,0x8d,0x9f, + 0x00,0x05,0xff,0xe4,0x8f,0x95,0x00,0xd4,0x19,0xe3,0x58,0xee,0xe2,0x34,0xee,0xe1, + 0x23,0xee,0x10,0x08,0x05,0xff,0xe8,0x8d,0x93,0x00,0x05,0xff,0xe8,0x8f,0x8a,0x00, + 0xd3,0x18,0xe2,0xa3,0xee,0xe1,0x92,0xee,0x10,0x09,0x05,0xff,0xf0,0xa6,0xbe,0xb1, + 0x00,0x05,0xff,0xf0,0xa7,0x83,0x92,0x00,0xd2,0x13,0xe1,0xbb,0xee,0x10,0x08,0x05, 0xff,0xe8,0x9a,0x88,0x00,0x05,0xff,0xe8,0x9c,0x8e,0x00,0xd1,0x10,0x10,0x08,0x05, 0xff,0xe8,0x9c,0xa8,0x00,0x05,0xff,0xe8,0x9d,0xab,0x00,0x10,0x08,0x05,0xff,0xe8, 0x9e,0x86,0x00,0x05,0xff,0xe4,0xb5,0x97,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, @@ -142,152 +142,152 @@ static const unsigned char utf8data[64256] = { 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, /* nfdi_30100 */ - 0x57,0x04,0x01,0x00,0xc6,0xd5,0x16,0xe4,0xc2,0x59,0xe3,0xfb,0x54,0xe2,0x74,0x4f, - 0xc1,0xe0,0xa0,0x4d,0xcf,0x86,0x65,0x84,0x4d,0x01,0x00,0xd4,0xb8,0xd3,0x27,0xe2, - 0x0c,0xa0,0xe1,0xdf,0x8d,0xe0,0x39,0x71,0xcf,0x86,0xc5,0xe4,0x98,0x69,0xe3,0xe3, - 0x64,0xe2,0x79,0x62,0xe1,0xac,0x61,0xe0,0x71,0x61,0xcf,0x86,0xe5,0x36,0x61,0x64, - 0x19,0x61,0x0b,0x00,0xd2,0x0e,0xe1,0xc2,0xa0,0xe0,0x3d,0xa0,0xcf,0x86,0xcf,0x06, - 0x01,0x00,0xd1,0x0c,0xe0,0xa1,0xa5,0xcf,0x86,0xcf,0x06,0x02,0xff,0xff,0xd0,0x08, - 0xcf,0x86,0xcf,0x06,0x01,0x00,0xcf,0x86,0xd5,0x06,0xcf,0x06,0x01,0x00,0xe4,0x9e, - 0xb6,0xe3,0x18,0xae,0xd2,0x06,0xcf,0x06,0x01,0x00,0xe1,0x0a,0xaa,0xd0,0x21,0xcf, - 0x86,0xe5,0x04,0xa7,0xe4,0x83,0xa6,0xe3,0x42,0xa6,0xe2,0x21,0xa6,0xe1,0x10,0xa6, - 0x10,0x08,0x01,0xff,0xe8,0xb1,0x88,0x00,0x01,0xff,0xe6,0x9b,0xb4,0x00,0xcf,0x86, - 0xe5,0xe6,0xa8,0xd4,0x19,0xe3,0x25,0xa8,0xe2,0x04,0xa8,0xe1,0xf3,0xa7,0x10,0x08, - 0x01,0xff,0xe9,0xb9,0xbf,0x00,0x01,0xff,0xe8,0xab,0x96,0x00,0xe3,0x8c,0xa8,0xe2, - 0x6b,0xa8,0xe1,0x5a,0xa8,0x10,0x08,0x01,0xff,0xe7,0xb8,0xb7,0x00,0x01,0xff,0xe9, - 0x9b,0xbb,0x00,0x83,0xe2,0x9c,0xf6,0xe1,0x75,0xf3,0xe0,0xf2,0xf1,0xcf,0x86,0xd5, - 0x31,0xc4,0xe3,0x6d,0xcc,0xe2,0x46,0xca,0xe1,0x27,0xc9,0xe0,0xb7,0xbf,0xcf,0x86, - 0xe5,0xaa,0xbb,0xe4,0xa3,0xba,0xe3,0x94,0xb9,0xe2,0xeb,0xb8,0xe1,0xc6,0xb8,0xe0, - 0x9f,0xb8,0xcf,0x86,0xe5,0x6c,0xb8,0x94,0x07,0x63,0x57,0xb8,0x07,0x00,0x07,0x00, - 0xe4,0x5e,0xf1,0xd3,0x08,0xcf,0x86,0xcf,0x06,0x05,0x00,0xd2,0x0b,0xe1,0x6d,0xde, - 0xcf,0x86,0xcf,0x06,0x05,0x00,0xd1,0x0e,0xe0,0x5c,0xdf,0xcf,0x86,0xe5,0x21,0xdf, - 0xcf,0x06,0x11,0x00,0xd0,0x0b,0xcf,0x86,0xe5,0x5c,0xdf,0xcf,0x06,0x13,0x00,0xcf, - 0x86,0xd5,0x06,0xcf,0x06,0x00,0x00,0xe4,0xf7,0xf0,0xe3,0xe0,0xef,0xd2,0xa0,0xe1, - 0x96,0xe3,0xd0,0x21,0xcf,0x86,0xe5,0x97,0xe0,0xe4,0x13,0xe0,0xe3,0xd1,0xdf,0xe2, - 0xb0,0xdf,0xe1,0x9e,0xdf,0x10,0x08,0x05,0xff,0xe4,0xb8,0xbd,0x00,0x05,0xff,0xe4, - 0xb8,0xb8,0x00,0xcf,0x86,0xd5,0x1c,0xe4,0xf3,0xe1,0xe3,0xb2,0xe1,0xe2,0x91,0xe1, - 0xe1,0x80,0xe1,0x10,0x08,0x05,0xff,0xe5,0x92,0xa2,0x00,0x05,0xff,0xe5,0x93,0xb6, - 0x00,0xd4,0x34,0xd3,0x18,0xe2,0x7a,0xe2,0xe1,0x69,0xe2,0x10,0x09,0x05,0xff,0xf0, - 0xa1,0x9a,0xa8,0x00,0x05,0xff,0xf0,0xa1,0x9b,0xaa,0x00,0xe2,0x9a,0xe2,0x91,0x11, - 0x10,0x09,0x05,0xff,0xf0,0xa1,0x8d,0xaa,0x00,0x05,0xff,0xe5,0xac,0x88,0x00,0x05, - 0xff,0xe5,0xac,0xbe,0x00,0xe3,0xe0,0xe2,0xd2,0x14,0xe1,0xaf,0xe2,0x10,0x08,0x05, - 0xff,0xe5,0xaf,0xb3,0x00,0x05,0xff,0xf0,0xa1,0xac,0x98,0x00,0xe1,0xbb,0xe2,0x10, - 0x08,0x05,0xff,0xe5,0xbc,0xb3,0x00,0x05,0xff,0xe5,0xb0,0xa2,0x00,0xd1,0xd5,0xd0, - 0x6a,0xcf,0x86,0xe5,0x10,0xe8,0xd4,0x19,0xe3,0x49,0xe7,0xe2,0x27,0xe7,0xe1,0x16, - 0xe7,0x10,0x08,0x05,0xff,0xe6,0xb4,0xbe,0x00,0x05,0xff,0xe6,0xb5,0xb7,0x00,0xd3, - 0x18,0xe2,0x93,0xe7,0xe1,0x82,0xe7,0x10,0x09,0x05,0xff,0xf0,0xa3,0xbd,0x9e,0x00, - 0x05,0xff,0xf0,0xa3,0xbe,0x8e,0x00,0xd2,0x13,0xe1,0xab,0xe7,0x10,0x08,0x05,0xff, - 0xe7,0x81,0xbd,0x00,0x05,0xff,0xe7,0x81,0xb7,0x00,0xd1,0x11,0x10,0x08,0x05,0xff, - 0xe7,0x85,0x85,0x00,0x05,0xff,0xf0,0xa4,0x89,0xa3,0x00,0x10,0x08,0x05,0xff,0xe7, - 0x86,0x9c,0x00,0x05,0xff,0xe4,0x8e,0xab,0x00,0xcf,0x86,0xe5,0xad,0xe9,0xd4,0x1a, - 0xe3,0xe5,0xe8,0xe2,0xcb,0xe8,0xe1,0xb8,0xe8,0x10,0x08,0x05,0xff,0xe7,0x9b,0xb4, - 0x00,0x05,0xff,0xf0,0xa5,0x83,0xb3,0x00,0xd3,0x16,0xe2,0x2d,0xe9,0xe1,0x1b,0xe9, - 0x10,0x08,0x05,0xff,0xe7,0xa3,0x8c,0x00,0x05,0xff,0xe4,0x83,0xa3,0x00,0xd2,0x13, - 0xe1,0x49,0xe9,0x10,0x08,0x05,0xff,0xe4,0x84,0xaf,0x00,0x05,0xff,0xe7,0xa9,0x80, - 0x00,0xd1,0x12,0x10,0x09,0x05,0xff,0xf0,0xa5,0xa5,0xbc,0x00,0x05,0xff,0xf0,0xa5, - 0xaa,0xa7,0x00,0x10,0x09,0x05,0xff,0xf0,0xa5,0xaa,0xa7,0x00,0x05,0xff,0xe7,0xaa, - 0xae,0x00,0xe0,0x5f,0xec,0xcf,0x86,0xd5,0x1d,0xe4,0xd4,0xea,0xe3,0x90,0xea,0xe2, - 0x6e,0xea,0xe1,0x5d,0xea,0x10,0x09,0x05,0xff,0xf0,0xa3,0x8d,0x9f,0x00,0x05,0xff, - 0xe4,0x8f,0x95,0x00,0xd4,0x19,0xe3,0x7b,0xeb,0xe2,0x57,0xeb,0xe1,0x46,0xeb,0x10, - 0x08,0x05,0xff,0xe8,0x8d,0x93,0x00,0x05,0xff,0xe8,0x8f,0x8a,0x00,0xd3,0x18,0xe2, - 0xc6,0xeb,0xe1,0xb5,0xeb,0x10,0x09,0x05,0xff,0xf0,0xa6,0xbe,0xb1,0x00,0x05,0xff, - 0xf0,0xa7,0x83,0x92,0x00,0xd2,0x13,0xe1,0xde,0xeb,0x10,0x08,0x05,0xff,0xe8,0x9a, - 0x88,0x00,0x05,0xff,0xe8,0x9c,0x8e,0x00,0xd1,0x10,0x10,0x08,0x05,0xff,0xe8,0x9c, - 0xa8,0x00,0x05,0xff,0xe8,0x9d,0xab,0x00,0x10,0x08,0x05,0xff,0xe8,0x9e,0x86,0x00, - 0x05,0xff,0xe4,0xb5,0x97,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, + 0x57,0x04,0x01,0x00,0xc6,0xd5,0x13,0xe4,0xa8,0x59,0xe3,0xe2,0x54,0xe2,0x5b,0x4f, + 0xc1,0xe0,0x87,0x4d,0xcf,0x06,0x01,0x00,0xd4,0xb8,0xd3,0x27,0xe2,0x89,0x9f,0xe1, + 0x91,0x8d,0xe0,0x21,0x71,0xcf,0x86,0xc5,0xe4,0x80,0x69,0xe3,0xcb,0x64,0xe2,0x61, + 0x62,0xe1,0x94,0x61,0xe0,0x59,0x61,0xcf,0x86,0xe5,0x1e,0x61,0x64,0x01,0x61,0x0b, + 0x00,0xd2,0x0e,0xe1,0x3f,0xa0,0xe0,0xba,0x9f,0xcf,0x86,0xcf,0x06,0x01,0x00,0xd1, + 0x0c,0xe0,0x1e,0xa5,0xcf,0x86,0xcf,0x06,0x02,0xff,0xff,0xd0,0x08,0xcf,0x86,0xcf, + 0x06,0x01,0x00,0xcf,0x86,0xd5,0x06,0xcf,0x06,0x01,0x00,0xe4,0x1b,0xb6,0xe3,0x95, + 0xad,0xd2,0x06,0xcf,0x06,0x01,0x00,0xe1,0x87,0xa9,0xd0,0x21,0xcf,0x86,0xe5,0x81, + 0xa6,0xe4,0x00,0xa6,0xe3,0xbf,0xa5,0xe2,0x9e,0xa5,0xe1,0x8d,0xa5,0x10,0x08,0x01, + 0xff,0xe8,0xb1,0x88,0x00,0x01,0xff,0xe6,0x9b,0xb4,0x00,0xcf,0x86,0xe5,0x63,0xa8, + 0xd4,0x19,0xe3,0xa2,0xa7,0xe2,0x81,0xa7,0xe1,0x70,0xa7,0x10,0x08,0x01,0xff,0xe9, + 0xb9,0xbf,0x00,0x01,0xff,0xe8,0xab,0x96,0x00,0xe3,0x09,0xa8,0xe2,0xe8,0xa7,0xe1, + 0xd7,0xa7,0x10,0x08,0x01,0xff,0xe7,0xb8,0xb7,0x00,0x01,0xff,0xe9,0x9b,0xbb,0x00, + 0x83,0xe2,0xee,0xf5,0xe1,0xd8,0xf2,0xe0,0x55,0xf1,0xcf,0x86,0xd5,0x31,0xc4,0xe3, + 0xd5,0xcb,0xe2,0xae,0xc9,0xe1,0x8f,0xc8,0xe0,0x1f,0xbf,0xcf,0x86,0xe5,0x12,0xbb, + 0xe4,0x0b,0xba,0xe3,0xfc,0xb8,0xe2,0x53,0xb8,0xe1,0x2e,0xb8,0xe0,0x07,0xb8,0xcf, + 0x86,0xe5,0xd4,0xb7,0x94,0x07,0x63,0xbf,0xb7,0x07,0x00,0x07,0x00,0xe4,0xc1,0xf0, + 0xd3,0x08,0xcf,0x86,0xcf,0x06,0x05,0x00,0xd2,0x0b,0xe1,0xd0,0xdd,0xcf,0x86,0xcf, + 0x06,0x05,0x00,0xd1,0x0e,0xe0,0xbf,0xde,0xcf,0x86,0xe5,0x84,0xde,0xcf,0x06,0x11, + 0x00,0xd0,0x0b,0xcf,0x86,0xe5,0xbf,0xde,0xcf,0x06,0x13,0x00,0xcf,0x86,0xd5,0x06, + 0xcf,0x06,0x00,0x00,0xe4,0x5a,0xf0,0xe3,0x43,0xef,0xd2,0xa0,0xe1,0xf9,0xe2,0xd0, + 0x21,0xcf,0x86,0xe5,0xfa,0xdf,0xe4,0x76,0xdf,0xe3,0x34,0xdf,0xe2,0x13,0xdf,0xe1, + 0x01,0xdf,0x10,0x08,0x05,0xff,0xe4,0xb8,0xbd,0x00,0x05,0xff,0xe4,0xb8,0xb8,0x00, + 0xcf,0x86,0xd5,0x1c,0xe4,0x56,0xe1,0xe3,0x15,0xe1,0xe2,0xf4,0xe0,0xe1,0xe3,0xe0, + 0x10,0x08,0x05,0xff,0xe5,0x92,0xa2,0x00,0x05,0xff,0xe5,0x93,0xb6,0x00,0xd4,0x34, + 0xd3,0x18,0xe2,0xdd,0xe1,0xe1,0xcc,0xe1,0x10,0x09,0x05,0xff,0xf0,0xa1,0x9a,0xa8, + 0x00,0x05,0xff,0xf0,0xa1,0x9b,0xaa,0x00,0xe2,0xfd,0xe1,0x91,0x11,0x10,0x09,0x05, + 0xff,0xf0,0xa1,0x8d,0xaa,0x00,0x05,0xff,0xe5,0xac,0x88,0x00,0x05,0xff,0xe5,0xac, + 0xbe,0x00,0xe3,0x43,0xe2,0xd2,0x14,0xe1,0x12,0xe2,0x10,0x08,0x05,0xff,0xe5,0xaf, + 0xb3,0x00,0x05,0xff,0xf0,0xa1,0xac,0x98,0x00,0xe1,0x1e,0xe2,0x10,0x08,0x05,0xff, + 0xe5,0xbc,0xb3,0x00,0x05,0xff,0xe5,0xb0,0xa2,0x00,0xd1,0xd5,0xd0,0x6a,0xcf,0x86, + 0xe5,0x73,0xe7,0xd4,0x19,0xe3,0xac,0xe6,0xe2,0x8a,0xe6,0xe1,0x79,0xe6,0x10,0x08, + 0x05,0xff,0xe6,0xb4,0xbe,0x00,0x05,0xff,0xe6,0xb5,0xb7,0x00,0xd3,0x18,0xe2,0xf6, + 0xe6,0xe1,0xe5,0xe6,0x10,0x09,0x05,0xff,0xf0,0xa3,0xbd,0x9e,0x00,0x05,0xff,0xf0, + 0xa3,0xbe,0x8e,0x00,0xd2,0x13,0xe1,0x0e,0xe7,0x10,0x08,0x05,0xff,0xe7,0x81,0xbd, + 0x00,0x05,0xff,0xe7,0x81,0xb7,0x00,0xd1,0x11,0x10,0x08,0x05,0xff,0xe7,0x85,0x85, + 0x00,0x05,0xff,0xf0,0xa4,0x89,0xa3,0x00,0x10,0x08,0x05,0xff,0xe7,0x86,0x9c,0x00, + 0x05,0xff,0xe4,0x8e,0xab,0x00,0xcf,0x86,0xe5,0x10,0xe9,0xd4,0x1a,0xe3,0x48,0xe8, + 0xe2,0x2e,0xe8,0xe1,0x1b,0xe8,0x10,0x08,0x05,0xff,0xe7,0x9b,0xb4,0x00,0x05,0xff, + 0xf0,0xa5,0x83,0xb3,0x00,0xd3,0x16,0xe2,0x90,0xe8,0xe1,0x7e,0xe8,0x10,0x08,0x05, + 0xff,0xe7,0xa3,0x8c,0x00,0x05,0xff,0xe4,0x83,0xa3,0x00,0xd2,0x13,0xe1,0xac,0xe8, + 0x10,0x08,0x05,0xff,0xe4,0x84,0xaf,0x00,0x05,0xff,0xe7,0xa9,0x80,0x00,0xd1,0x12, + 0x10,0x09,0x05,0xff,0xf0,0xa5,0xa5,0xbc,0x00,0x05,0xff,0xf0,0xa5,0xaa,0xa7,0x00, + 0x10,0x09,0x05,0xff,0xf0,0xa5,0xaa,0xa7,0x00,0x05,0xff,0xe7,0xaa,0xae,0x00,0xe0, + 0xc2,0xeb,0xcf,0x86,0xd5,0x1d,0xe4,0x37,0xea,0xe3,0xf3,0xe9,0xe2,0xd1,0xe9,0xe1, + 0xc0,0xe9,0x10,0x09,0x05,0xff,0xf0,0xa3,0x8d,0x9f,0x00,0x05,0xff,0xe4,0x8f,0x95, + 0x00,0xd4,0x19,0xe3,0xde,0xea,0xe2,0xba,0xea,0xe1,0xa9,0xea,0x10,0x08,0x05,0xff, + 0xe8,0x8d,0x93,0x00,0x05,0xff,0xe8,0x8f,0x8a,0x00,0xd3,0x18,0xe2,0x29,0xeb,0xe1, + 0x18,0xeb,0x10,0x09,0x05,0xff,0xf0,0xa6,0xbe,0xb1,0x00,0x05,0xff,0xf0,0xa7,0x83, + 0x92,0x00,0xd2,0x13,0xe1,0x41,0xeb,0x10,0x08,0x05,0xff,0xe8,0x9a,0x88,0x00,0x05, + 0xff,0xe8,0x9c,0x8e,0x00,0xd1,0x10,0x10,0x08,0x05,0xff,0xe8,0x9c,0xa8,0x00,0x05, + 0xff,0xe8,0x9d,0xab,0x00,0x10,0x08,0x05,0xff,0xe8,0x9e,0x86,0x00,0x05,0xff,0xe4, + 0xb5,0x97,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, /* nfdicf_30200 */ - 0xd7,0x07,0x66,0x84,0x05,0x01,0x00,0xc6,0xd5,0x16,0xe4,0x99,0x13,0xe3,0x63,0x0e, - 0xe2,0x4c,0x07,0xc1,0xe0,0x4e,0x06,0xcf,0x86,0x65,0x2d,0x06,0x01,0x00,0xd4,0x2a, - 0xe3,0xd0,0x35,0xe2,0x88,0x9c,0xe1,0xcd,0x2e,0xe0,0x2b,0x1b,0xcf,0x86,0xc5,0xe4, - 0x14,0x66,0xe3,0x5f,0x61,0xe2,0xf5,0x5e,0xe1,0x28,0x5e,0xe0,0xed,0x5d,0xcf,0x86, - 0xe5,0xb2,0x5d,0x64,0x95,0x5d,0x0b,0x00,0x83,0xe2,0xa7,0xf3,0xe1,0x80,0xf0,0xe0, - 0xfd,0xee,0xcf,0x86,0xd5,0x31,0xc4,0xe3,0xe2,0x47,0xe2,0x83,0x46,0xe1,0x32,0xc6, - 0xe0,0x2a,0x45,0xcf,0x86,0xe5,0x1c,0x43,0xe4,0x3d,0x40,0xe3,0x9f,0xb6,0xe2,0xf6, - 0xb5,0xe1,0xd1,0xb5,0xe0,0xaa,0xb5,0xcf,0x86,0xe5,0x77,0xb5,0x94,0x07,0x63,0x62, - 0xb5,0x07,0x00,0x07,0x00,0xe4,0x69,0xee,0xd3,0x08,0xcf,0x86,0xcf,0x06,0x05,0x00, - 0xd2,0x0b,0xe1,0x78,0xdb,0xcf,0x86,0xcf,0x06,0x05,0x00,0xd1,0x0e,0xe0,0x67,0xdc, - 0xcf,0x86,0xe5,0x2c,0xdc,0xcf,0x06,0x11,0x00,0xd0,0x0b,0xcf,0x86,0xe5,0x67,0xdc, - 0xcf,0x06,0x13,0x00,0xcf,0x86,0xd5,0x06,0xcf,0x06,0x00,0x00,0xe4,0x02,0xee,0xe3, - 0xeb,0xec,0xd2,0xa0,0xe1,0xa1,0xe0,0xd0,0x21,0xcf,0x86,0xe5,0xa2,0xdd,0xe4,0x1e, - 0xdd,0xe3,0xdc,0xdc,0xe2,0xbb,0xdc,0xe1,0xa9,0xdc,0x10,0x08,0x05,0xff,0xe4,0xb8, - 0xbd,0x00,0x05,0xff,0xe4,0xb8,0xb8,0x00,0xcf,0x86,0xd5,0x1c,0xe4,0xfe,0xde,0xe3, - 0xbd,0xde,0xe2,0x9c,0xde,0xe1,0x8b,0xde,0x10,0x08,0x05,0xff,0xe5,0x92,0xa2,0x00, - 0x05,0xff,0xe5,0x93,0xb6,0x00,0xd4,0x34,0xd3,0x18,0xe2,0x85,0xdf,0xe1,0x74,0xdf, + 0xd7,0x07,0x66,0x84,0x05,0x01,0x00,0xc6,0xd5,0x16,0xe4,0x96,0x13,0xe3,0x60,0x0e, + 0xe2,0x49,0x07,0xc1,0xe0,0x4b,0x06,0xcf,0x86,0x65,0x2d,0x06,0x01,0x00,0xd4,0x2a, + 0xe3,0xce,0x35,0xe2,0x02,0x9c,0xe1,0xca,0x2e,0xe0,0x28,0x1b,0xcf,0x86,0xc5,0xe4, + 0xf9,0x65,0xe3,0x44,0x61,0xe2,0xda,0x5e,0xe1,0x0d,0x5e,0xe0,0xd2,0x5d,0xcf,0x86, + 0xe5,0x97,0x5d,0x64,0x7a,0x5d,0x0b,0x00,0x83,0xe2,0xf6,0xf2,0xe1,0xe0,0xef,0xe0, + 0x5d,0xee,0xcf,0x86,0xd5,0x31,0xc4,0xe3,0xdf,0x47,0xe2,0x80,0x46,0xe1,0x97,0xc5, + 0xe0,0x27,0x45,0xcf,0x86,0xe5,0x19,0x43,0xe4,0x3a,0x40,0xe3,0x04,0xb6,0xe2,0x5b, + 0xb5,0xe1,0x36,0xb5,0xe0,0x0f,0xb5,0xcf,0x86,0xe5,0xdc,0xb4,0x94,0x07,0x63,0xc7, + 0xb4,0x07,0x00,0x07,0x00,0xe4,0xc9,0xed,0xd3,0x08,0xcf,0x86,0xcf,0x06,0x05,0x00, + 0xd2,0x0b,0xe1,0xd8,0xda,0xcf,0x86,0xcf,0x06,0x05,0x00,0xd1,0x0e,0xe0,0xc7,0xdb, + 0xcf,0x86,0xe5,0x8c,0xdb,0xcf,0x06,0x11,0x00,0xd0,0x0b,0xcf,0x86,0xe5,0xc7,0xdb, + 0xcf,0x06,0x13,0x00,0xcf,0x86,0xd5,0x06,0xcf,0x06,0x00,0x00,0xe4,0x62,0xed,0xe3, + 0x4b,0xec,0xd2,0xa0,0xe1,0x01,0xe0,0xd0,0x21,0xcf,0x86,0xe5,0x02,0xdd,0xe4,0x7e, + 0xdc,0xe3,0x3c,0xdc,0xe2,0x1b,0xdc,0xe1,0x09,0xdc,0x10,0x08,0x05,0xff,0xe4,0xb8, + 0xbd,0x00,0x05,0xff,0xe4,0xb8,0xb8,0x00,0xcf,0x86,0xd5,0x1c,0xe4,0x5e,0xde,0xe3, + 0x1d,0xde,0xe2,0xfc,0xdd,0xe1,0xeb,0xdd,0x10,0x08,0x05,0xff,0xe5,0x92,0xa2,0x00, + 0x05,0xff,0xe5,0x93,0xb6,0x00,0xd4,0x34,0xd3,0x18,0xe2,0xe5,0xde,0xe1,0xd4,0xde, 0x10,0x09,0x05,0xff,0xf0,0xa1,0x9a,0xa8,0x00,0x05,0xff,0xf0,0xa1,0x9b,0xaa,0x00, - 0xe2,0xa5,0xdf,0x91,0x11,0x10,0x09,0x05,0xff,0xf0,0xa1,0x8d,0xaa,0x00,0x05,0xff, - 0xe5,0xac,0x88,0x00,0x05,0xff,0xe5,0xac,0xbe,0x00,0xe3,0xeb,0xdf,0xd2,0x14,0xe1, - 0xba,0xdf,0x10,0x08,0x05,0xff,0xe5,0xaf,0xb3,0x00,0x05,0xff,0xf0,0xa1,0xac,0x98, - 0x00,0xe1,0xc6,0xdf,0x10,0x08,0x05,0xff,0xe5,0xbc,0xb3,0x00,0x05,0xff,0xe5,0xb0, - 0xa2,0x00,0xd1,0xd5,0xd0,0x6a,0xcf,0x86,0xe5,0x1b,0xe5,0xd4,0x19,0xe3,0x54,0xe4, - 0xe2,0x32,0xe4,0xe1,0x21,0xe4,0x10,0x08,0x05,0xff,0xe6,0xb4,0xbe,0x00,0x05,0xff, - 0xe6,0xb5,0xb7,0x00,0xd3,0x18,0xe2,0x9e,0xe4,0xe1,0x8d,0xe4,0x10,0x09,0x05,0xff, - 0xf0,0xa3,0xbd,0x9e,0x00,0x05,0xff,0xf0,0xa3,0xbe,0x8e,0x00,0xd2,0x13,0xe1,0xb6, + 0xe2,0x05,0xdf,0x91,0x11,0x10,0x09,0x05,0xff,0xf0,0xa1,0x8d,0xaa,0x00,0x05,0xff, + 0xe5,0xac,0x88,0x00,0x05,0xff,0xe5,0xac,0xbe,0x00,0xe3,0x4b,0xdf,0xd2,0x14,0xe1, + 0x1a,0xdf,0x10,0x08,0x05,0xff,0xe5,0xaf,0xb3,0x00,0x05,0xff,0xf0,0xa1,0xac,0x98, + 0x00,0xe1,0x26,0xdf,0x10,0x08,0x05,0xff,0xe5,0xbc,0xb3,0x00,0x05,0xff,0xe5,0xb0, + 0xa2,0x00,0xd1,0xd5,0xd0,0x6a,0xcf,0x86,0xe5,0x7b,0xe4,0xd4,0x19,0xe3,0xb4,0xe3, + 0xe2,0x92,0xe3,0xe1,0x81,0xe3,0x10,0x08,0x05,0xff,0xe6,0xb4,0xbe,0x00,0x05,0xff, + 0xe6,0xb5,0xb7,0x00,0xd3,0x18,0xe2,0xfe,0xe3,0xe1,0xed,0xe3,0x10,0x09,0x05,0xff, + 0xf0,0xa3,0xbd,0x9e,0x00,0x05,0xff,0xf0,0xa3,0xbe,0x8e,0x00,0xd2,0x13,0xe1,0x16, 0xe4,0x10,0x08,0x05,0xff,0xe7,0x81,0xbd,0x00,0x05,0xff,0xe7,0x81,0xb7,0x00,0xd1, 0x11,0x10,0x08,0x05,0xff,0xe7,0x85,0x85,0x00,0x05,0xff,0xf0,0xa4,0x89,0xa3,0x00, 0x10,0x08,0x05,0xff,0xe7,0x86,0x9c,0x00,0x05,0xff,0xe4,0x8e,0xab,0x00,0xcf,0x86, - 0xe5,0xb8,0xe6,0xd4,0x1a,0xe3,0xf0,0xe5,0xe2,0xd6,0xe5,0xe1,0xc3,0xe5,0x10,0x08, + 0xe5,0x18,0xe6,0xd4,0x1a,0xe3,0x50,0xe5,0xe2,0x36,0xe5,0xe1,0x23,0xe5,0x10,0x08, 0x05,0xff,0xe7,0x9b,0xb4,0x00,0x05,0xff,0xf0,0xa5,0x83,0xb3,0x00,0xd3,0x16,0xe2, - 0x38,0xe6,0xe1,0x26,0xe6,0x10,0x08,0x05,0xff,0xe7,0xa3,0x8c,0x00,0x05,0xff,0xe4, - 0x83,0xa3,0x00,0xd2,0x13,0xe1,0x54,0xe6,0x10,0x08,0x05,0xff,0xe4,0x84,0xaf,0x00, + 0x98,0xe5,0xe1,0x86,0xe5,0x10,0x08,0x05,0xff,0xe7,0xa3,0x8c,0x00,0x05,0xff,0xe4, + 0x83,0xa3,0x00,0xd2,0x13,0xe1,0xb4,0xe5,0x10,0x08,0x05,0xff,0xe4,0x84,0xaf,0x00, 0x05,0xff,0xe7,0xa9,0x80,0x00,0xd1,0x12,0x10,0x09,0x05,0xff,0xf0,0xa5,0xa5,0xbc, 0x00,0x05,0xff,0xf0,0xa5,0xaa,0xa7,0x00,0x10,0x09,0x05,0xff,0xf0,0xa5,0xaa,0xa7, - 0x00,0x05,0xff,0xe7,0xaa,0xae,0x00,0xe0,0x6a,0xe9,0xcf,0x86,0xd5,0x1d,0xe4,0xdf, - 0xe7,0xe3,0x9b,0xe7,0xe2,0x79,0xe7,0xe1,0x68,0xe7,0x10,0x09,0x05,0xff,0xf0,0xa3, - 0x8d,0x9f,0x00,0x05,0xff,0xe4,0x8f,0x95,0x00,0xd4,0x19,0xe3,0x86,0xe8,0xe2,0x62, - 0xe8,0xe1,0x51,0xe8,0x10,0x08,0x05,0xff,0xe8,0x8d,0x93,0x00,0x05,0xff,0xe8,0x8f, - 0x8a,0x00,0xd3,0x18,0xe2,0xd1,0xe8,0xe1,0xc0,0xe8,0x10,0x09,0x05,0xff,0xf0,0xa6, - 0xbe,0xb1,0x00,0x05,0xff,0xf0,0xa7,0x83,0x92,0x00,0xd2,0x13,0xe1,0xe9,0xe8,0x10, + 0x00,0x05,0xff,0xe7,0xaa,0xae,0x00,0xe0,0xca,0xe8,0xcf,0x86,0xd5,0x1d,0xe4,0x3f, + 0xe7,0xe3,0xfb,0xe6,0xe2,0xd9,0xe6,0xe1,0xc8,0xe6,0x10,0x09,0x05,0xff,0xf0,0xa3, + 0x8d,0x9f,0x00,0x05,0xff,0xe4,0x8f,0x95,0x00,0xd4,0x19,0xe3,0xe6,0xe7,0xe2,0xc2, + 0xe7,0xe1,0xb1,0xe7,0x10,0x08,0x05,0xff,0xe8,0x8d,0x93,0x00,0x05,0xff,0xe8,0x8f, + 0x8a,0x00,0xd3,0x18,0xe2,0x31,0xe8,0xe1,0x20,0xe8,0x10,0x09,0x05,0xff,0xf0,0xa6, + 0xbe,0xb1,0x00,0x05,0xff,0xf0,0xa7,0x83,0x92,0x00,0xd2,0x13,0xe1,0x49,0xe8,0x10, 0x08,0x05,0xff,0xe8,0x9a,0x88,0x00,0x05,0xff,0xe8,0x9c,0x8e,0x00,0xd1,0x10,0x10, 0x08,0x05,0xff,0xe8,0x9c,0xa8,0x00,0x05,0xff,0xe8,0x9d,0xab,0x00,0x10,0x08,0x05, 0xff,0xe8,0x9e,0x86,0x00,0x05,0xff,0xe4,0xb5,0x97,0x00,0x00,0x00,0x00,0x00,0x00, /* nfdi_30200 */ - 0x57,0x04,0x01,0x00,0xc6,0xd5,0x16,0xe4,0x82,0x53,0xe3,0xbb,0x4e,0xe2,0x34,0x49, - 0xc1,0xe0,0x60,0x47,0xcf,0x86,0x65,0x44,0x47,0x01,0x00,0xd4,0x2a,0xe3,0x1c,0x9a, - 0xe2,0xcb,0x99,0xe1,0x9e,0x87,0xe0,0xf8,0x6a,0xcf,0x86,0xc5,0xe4,0x57,0x63,0xe3, - 0xa2,0x5e,0xe2,0x38,0x5c,0xe1,0x6b,0x5b,0xe0,0x30,0x5b,0xcf,0x86,0xe5,0xf5,0x5a, - 0x64,0xd8,0x5a,0x0b,0x00,0x83,0xe2,0xea,0xf0,0xe1,0xc3,0xed,0xe0,0x40,0xec,0xcf, - 0x86,0xd5,0x31,0xc4,0xe3,0xbb,0xc6,0xe2,0x94,0xc4,0xe1,0x75,0xc3,0xe0,0x05,0xba, - 0xcf,0x86,0xe5,0xf8,0xb5,0xe4,0xf1,0xb4,0xe3,0xe2,0xb3,0xe2,0x39,0xb3,0xe1,0x14, - 0xb3,0xe0,0xed,0xb2,0xcf,0x86,0xe5,0xba,0xb2,0x94,0x07,0x63,0xa5,0xb2,0x07,0x00, - 0x07,0x00,0xe4,0xac,0xeb,0xd3,0x08,0xcf,0x86,0xcf,0x06,0x05,0x00,0xd2,0x0b,0xe1, - 0xbb,0xd8,0xcf,0x86,0xcf,0x06,0x05,0x00,0xd1,0x0e,0xe0,0xaa,0xd9,0xcf,0x86,0xe5, - 0x6f,0xd9,0xcf,0x06,0x11,0x00,0xd0,0x0b,0xcf,0x86,0xe5,0xaa,0xd9,0xcf,0x06,0x13, - 0x00,0xcf,0x86,0xd5,0x06,0xcf,0x06,0x00,0x00,0xe4,0x45,0xeb,0xe3,0x2e,0xea,0xd2, - 0xa0,0xe1,0xe4,0xdd,0xd0,0x21,0xcf,0x86,0xe5,0xe5,0xda,0xe4,0x61,0xda,0xe3,0x1f, - 0xda,0xe2,0xfe,0xd9,0xe1,0xec,0xd9,0x10,0x08,0x05,0xff,0xe4,0xb8,0xbd,0x00,0x05, - 0xff,0xe4,0xb8,0xb8,0x00,0xcf,0x86,0xd5,0x1c,0xe4,0x41,0xdc,0xe3,0x00,0xdc,0xe2, - 0xdf,0xdb,0xe1,0xce,0xdb,0x10,0x08,0x05,0xff,0xe5,0x92,0xa2,0x00,0x05,0xff,0xe5, - 0x93,0xb6,0x00,0xd4,0x34,0xd3,0x18,0xe2,0xc8,0xdc,0xe1,0xb7,0xdc,0x10,0x09,0x05, - 0xff,0xf0,0xa1,0x9a,0xa8,0x00,0x05,0xff,0xf0,0xa1,0x9b,0xaa,0x00,0xe2,0xe8,0xdc, - 0x91,0x11,0x10,0x09,0x05,0xff,0xf0,0xa1,0x8d,0xaa,0x00,0x05,0xff,0xe5,0xac,0x88, - 0x00,0x05,0xff,0xe5,0xac,0xbe,0x00,0xe3,0x2e,0xdd,0xd2,0x14,0xe1,0xfd,0xdc,0x10, - 0x08,0x05,0xff,0xe5,0xaf,0xb3,0x00,0x05,0xff,0xf0,0xa1,0xac,0x98,0x00,0xe1,0x09, - 0xdd,0x10,0x08,0x05,0xff,0xe5,0xbc,0xb3,0x00,0x05,0xff,0xe5,0xb0,0xa2,0x00,0xd1, - 0xd5,0xd0,0x6a,0xcf,0x86,0xe5,0x5e,0xe2,0xd4,0x19,0xe3,0x97,0xe1,0xe2,0x75,0xe1, - 0xe1,0x64,0xe1,0x10,0x08,0x05,0xff,0xe6,0xb4,0xbe,0x00,0x05,0xff,0xe6,0xb5,0xb7, - 0x00,0xd3,0x18,0xe2,0xe1,0xe1,0xe1,0xd0,0xe1,0x10,0x09,0x05,0xff,0xf0,0xa3,0xbd, - 0x9e,0x00,0x05,0xff,0xf0,0xa3,0xbe,0x8e,0x00,0xd2,0x13,0xe1,0xf9,0xe1,0x10,0x08, - 0x05,0xff,0xe7,0x81,0xbd,0x00,0x05,0xff,0xe7,0x81,0xb7,0x00,0xd1,0x11,0x10,0x08, - 0x05,0xff,0xe7,0x85,0x85,0x00,0x05,0xff,0xf0,0xa4,0x89,0xa3,0x00,0x10,0x08,0x05, - 0xff,0xe7,0x86,0x9c,0x00,0x05,0xff,0xe4,0x8e,0xab,0x00,0xcf,0x86,0xe5,0xfb,0xe3, - 0xd4,0x1a,0xe3,0x33,0xe3,0xe2,0x19,0xe3,0xe1,0x06,0xe3,0x10,0x08,0x05,0xff,0xe7, - 0x9b,0xb4,0x00,0x05,0xff,0xf0,0xa5,0x83,0xb3,0x00,0xd3,0x16,0xe2,0x7b,0xe3,0xe1, - 0x69,0xe3,0x10,0x08,0x05,0xff,0xe7,0xa3,0x8c,0x00,0x05,0xff,0xe4,0x83,0xa3,0x00, - 0xd2,0x13,0xe1,0x97,0xe3,0x10,0x08,0x05,0xff,0xe4,0x84,0xaf,0x00,0x05,0xff,0xe7, - 0xa9,0x80,0x00,0xd1,0x12,0x10,0x09,0x05,0xff,0xf0,0xa5,0xa5,0xbc,0x00,0x05,0xff, - 0xf0,0xa5,0xaa,0xa7,0x00,0x10,0x09,0x05,0xff,0xf0,0xa5,0xaa,0xa7,0x00,0x05,0xff, - 0xe7,0xaa,0xae,0x00,0xe0,0xad,0xe6,0xcf,0x86,0xd5,0x1d,0xe4,0x22,0xe5,0xe3,0xde, - 0xe4,0xe2,0xbc,0xe4,0xe1,0xab,0xe4,0x10,0x09,0x05,0xff,0xf0,0xa3,0x8d,0x9f,0x00, - 0x05,0xff,0xe4,0x8f,0x95,0x00,0xd4,0x19,0xe3,0xc9,0xe5,0xe2,0xa5,0xe5,0xe1,0x94, - 0xe5,0x10,0x08,0x05,0xff,0xe8,0x8d,0x93,0x00,0x05,0xff,0xe8,0x8f,0x8a,0x00,0xd3, - 0x18,0xe2,0x14,0xe6,0xe1,0x03,0xe6,0x10,0x09,0x05,0xff,0xf0,0xa6,0xbe,0xb1,0x00, - 0x05,0xff,0xf0,0xa7,0x83,0x92,0x00,0xd2,0x13,0xe1,0x2c,0xe6,0x10,0x08,0x05,0xff, - 0xe8,0x9a,0x88,0x00,0x05,0xff,0xe8,0x9c,0x8e,0x00,0xd1,0x10,0x10,0x08,0x05,0xff, - 0xe8,0x9c,0xa8,0x00,0x05,0xff,0xe8,0x9d,0xab,0x00,0x10,0x08,0x05,0xff,0xe8,0x9e, - 0x86,0x00,0x05,0xff,0xe4,0xb5,0x97,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, + 0x57,0x04,0x01,0x00,0xc6,0xd5,0x13,0xe4,0x68,0x53,0xe3,0xa2,0x4e,0xe2,0x1b,0x49, + 0xc1,0xe0,0x47,0x47,0xcf,0x06,0x01,0x00,0xd4,0x2a,0xe3,0x99,0x99,0xe2,0x48,0x99, + 0xe1,0x50,0x87,0xe0,0xe0,0x6a,0xcf,0x86,0xc5,0xe4,0x3f,0x63,0xe3,0x8a,0x5e,0xe2, + 0x20,0x5c,0xe1,0x53,0x5b,0xe0,0x18,0x5b,0xcf,0x86,0xe5,0xdd,0x5a,0x64,0xc0,0x5a, + 0x0b,0x00,0x83,0xe2,0x3c,0xf0,0xe1,0x26,0xed,0xe0,0xa3,0xeb,0xcf,0x86,0xd5,0x31, + 0xc4,0xe3,0x23,0xc6,0xe2,0xfc,0xc3,0xe1,0xdd,0xc2,0xe0,0x6d,0xb9,0xcf,0x86,0xe5, + 0x60,0xb5,0xe4,0x59,0xb4,0xe3,0x4a,0xb3,0xe2,0xa1,0xb2,0xe1,0x7c,0xb2,0xe0,0x55, + 0xb2,0xcf,0x86,0xe5,0x22,0xb2,0x94,0x07,0x63,0x0d,0xb2,0x07,0x00,0x07,0x00,0xe4, + 0x0f,0xeb,0xd3,0x08,0xcf,0x86,0xcf,0x06,0x05,0x00,0xd2,0x0b,0xe1,0x1e,0xd8,0xcf, + 0x86,0xcf,0x06,0x05,0x00,0xd1,0x0e,0xe0,0x0d,0xd9,0xcf,0x86,0xe5,0xd2,0xd8,0xcf, + 0x06,0x11,0x00,0xd0,0x0b,0xcf,0x86,0xe5,0x0d,0xd9,0xcf,0x06,0x13,0x00,0xcf,0x86, + 0xd5,0x06,0xcf,0x06,0x00,0x00,0xe4,0xa8,0xea,0xe3,0x91,0xe9,0xd2,0xa0,0xe1,0x47, + 0xdd,0xd0,0x21,0xcf,0x86,0xe5,0x48,0xda,0xe4,0xc4,0xd9,0xe3,0x82,0xd9,0xe2,0x61, + 0xd9,0xe1,0x4f,0xd9,0x10,0x08,0x05,0xff,0xe4,0xb8,0xbd,0x00,0x05,0xff,0xe4,0xb8, + 0xb8,0x00,0xcf,0x86,0xd5,0x1c,0xe4,0xa4,0xdb,0xe3,0x63,0xdb,0xe2,0x42,0xdb,0xe1, + 0x31,0xdb,0x10,0x08,0x05,0xff,0xe5,0x92,0xa2,0x00,0x05,0xff,0xe5,0x93,0xb6,0x00, + 0xd4,0x34,0xd3,0x18,0xe2,0x2b,0xdc,0xe1,0x1a,0xdc,0x10,0x09,0x05,0xff,0xf0,0xa1, + 0x9a,0xa8,0x00,0x05,0xff,0xf0,0xa1,0x9b,0xaa,0x00,0xe2,0x4b,0xdc,0x91,0x11,0x10, + 0x09,0x05,0xff,0xf0,0xa1,0x8d,0xaa,0x00,0x05,0xff,0xe5,0xac,0x88,0x00,0x05,0xff, + 0xe5,0xac,0xbe,0x00,0xe3,0x91,0xdc,0xd2,0x14,0xe1,0x60,0xdc,0x10,0x08,0x05,0xff, + 0xe5,0xaf,0xb3,0x00,0x05,0xff,0xf0,0xa1,0xac,0x98,0x00,0xe1,0x6c,0xdc,0x10,0x08, + 0x05,0xff,0xe5,0xbc,0xb3,0x00,0x05,0xff,0xe5,0xb0,0xa2,0x00,0xd1,0xd5,0xd0,0x6a, + 0xcf,0x86,0xe5,0xc1,0xe1,0xd4,0x19,0xe3,0xfa,0xe0,0xe2,0xd8,0xe0,0xe1,0xc7,0xe0, + 0x10,0x08,0x05,0xff,0xe6,0xb4,0xbe,0x00,0x05,0xff,0xe6,0xb5,0xb7,0x00,0xd3,0x18, + 0xe2,0x44,0xe1,0xe1,0x33,0xe1,0x10,0x09,0x05,0xff,0xf0,0xa3,0xbd,0x9e,0x00,0x05, + 0xff,0xf0,0xa3,0xbe,0x8e,0x00,0xd2,0x13,0xe1,0x5c,0xe1,0x10,0x08,0x05,0xff,0xe7, + 0x81,0xbd,0x00,0x05,0xff,0xe7,0x81,0xb7,0x00,0xd1,0x11,0x10,0x08,0x05,0xff,0xe7, + 0x85,0x85,0x00,0x05,0xff,0xf0,0xa4,0x89,0xa3,0x00,0x10,0x08,0x05,0xff,0xe7,0x86, + 0x9c,0x00,0x05,0xff,0xe4,0x8e,0xab,0x00,0xcf,0x86,0xe5,0x5e,0xe3,0xd4,0x1a,0xe3, + 0x96,0xe2,0xe2,0x7c,0xe2,0xe1,0x69,0xe2,0x10,0x08,0x05,0xff,0xe7,0x9b,0xb4,0x00, + 0x05,0xff,0xf0,0xa5,0x83,0xb3,0x00,0xd3,0x16,0xe2,0xde,0xe2,0xe1,0xcc,0xe2,0x10, + 0x08,0x05,0xff,0xe7,0xa3,0x8c,0x00,0x05,0xff,0xe4,0x83,0xa3,0x00,0xd2,0x13,0xe1, + 0xfa,0xe2,0x10,0x08,0x05,0xff,0xe4,0x84,0xaf,0x00,0x05,0xff,0xe7,0xa9,0x80,0x00, + 0xd1,0x12,0x10,0x09,0x05,0xff,0xf0,0xa5,0xa5,0xbc,0x00,0x05,0xff,0xf0,0xa5,0xaa, + 0xa7,0x00,0x10,0x09,0x05,0xff,0xf0,0xa5,0xaa,0xa7,0x00,0x05,0xff,0xe7,0xaa,0xae, + 0x00,0xe0,0x10,0xe6,0xcf,0x86,0xd5,0x1d,0xe4,0x85,0xe4,0xe3,0x41,0xe4,0xe2,0x1f, + 0xe4,0xe1,0x0e,0xe4,0x10,0x09,0x05,0xff,0xf0,0xa3,0x8d,0x9f,0x00,0x05,0xff,0xe4, + 0x8f,0x95,0x00,0xd4,0x19,0xe3,0x2c,0xe5,0xe2,0x08,0xe5,0xe1,0xf7,0xe4,0x10,0x08, + 0x05,0xff,0xe8,0x8d,0x93,0x00,0x05,0xff,0xe8,0x8f,0x8a,0x00,0xd3,0x18,0xe2,0x77, + 0xe5,0xe1,0x66,0xe5,0x10,0x09,0x05,0xff,0xf0,0xa6,0xbe,0xb1,0x00,0x05,0xff,0xf0, + 0xa7,0x83,0x92,0x00,0xd2,0x13,0xe1,0x8f,0xe5,0x10,0x08,0x05,0xff,0xe8,0x9a,0x88, + 0x00,0x05,0xff,0xe8,0x9c,0x8e,0x00,0xd1,0x10,0x10,0x08,0x05,0xff,0xe8,0x9c,0xa8, + 0x00,0x05,0xff,0xe8,0x9d,0xab,0x00,0x10,0x08,0x05,0xff,0xe8,0x9e,0x86,0x00,0x05, + 0xff,0xe4,0xb5,0x97,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, /* nfdicf_c0100 */ 0xd7,0xb0,0x56,0x04,0x01,0x00,0x95,0xa8,0xd4,0x5e,0xd3,0x2e,0xd2,0x16,0xd1,0x0a, 0x10,0x04,0x01,0x00,0x01,0xff,0x61,0x00,0x10,0x06,0x01,0xff,0x62,0x00,0x01,0xff, @@ -300,3184 +300,3174 @@ static const unsigned char utf8data[64256] = { 0xd1,0x0c,0x10,0x06,0x01,0xff,0x74,0x00,0x01,0xff,0x75,0x00,0x10,0x06,0x01,0xff, 0x76,0x00,0x01,0xff,0x77,0x00,0x92,0x16,0xd1,0x0c,0x10,0x06,0x01,0xff,0x78,0x00, 0x01,0xff,0x79,0x00,0x10,0x06,0x01,0xff,0x7a,0x00,0x01,0x00,0x01,0x00,0x01,0x00, - 0xc6,0xe5,0xf9,0x14,0xe4,0x6f,0x0d,0xe3,0x39,0x08,0xe2,0x22,0x01,0xc1,0xd0,0x24, - 0xcf,0x86,0x55,0x04,0x01,0x00,0xd4,0x07,0x63,0xd8,0x43,0x01,0x00,0x93,0x13,0x52, - 0x04,0x01,0x00,0x91,0x0b,0x10,0x04,0x01,0x00,0x01,0xff,0xce,0xbc,0x00,0x01,0x00, - 0x01,0x00,0xcf,0x86,0xe5,0xb3,0x44,0xd4,0x7f,0xd3,0x3f,0xd2,0x20,0xd1,0x10,0x10, - 0x08,0x01,0xff,0x61,0xcc,0x80,0x00,0x01,0xff,0x61,0xcc,0x81,0x00,0x10,0x08,0x01, - 0xff,0x61,0xcc,0x82,0x00,0x01,0xff,0x61,0xcc,0x83,0x00,0xd1,0x10,0x10,0x08,0x01, - 0xff,0x61,0xcc,0x88,0x00,0x01,0xff,0x61,0xcc,0x8a,0x00,0x10,0x07,0x01,0xff,0xc3, - 0xa6,0x00,0x01,0xff,0x63,0xcc,0xa7,0x00,0xd2,0x20,0xd1,0x10,0x10,0x08,0x01,0xff, - 0x65,0xcc,0x80,0x00,0x01,0xff,0x65,0xcc,0x81,0x00,0x10,0x08,0x01,0xff,0x65,0xcc, - 0x82,0x00,0x01,0xff,0x65,0xcc,0x88,0x00,0xd1,0x10,0x10,0x08,0x01,0xff,0x69,0xcc, - 0x80,0x00,0x01,0xff,0x69,0xcc,0x81,0x00,0x10,0x08,0x01,0xff,0x69,0xcc,0x82,0x00, - 0x01,0xff,0x69,0xcc,0x88,0x00,0xd3,0x3b,0xd2,0x1f,0xd1,0x0f,0x10,0x07,0x01,0xff, - 0xc3,0xb0,0x00,0x01,0xff,0x6e,0xcc,0x83,0x00,0x10,0x08,0x01,0xff,0x6f,0xcc,0x80, - 0x00,0x01,0xff,0x6f,0xcc,0x81,0x00,0xd1,0x10,0x10,0x08,0x01,0xff,0x6f,0xcc,0x82, - 0x00,0x01,0xff,0x6f,0xcc,0x83,0x00,0x10,0x08,0x01,0xff,0x6f,0xcc,0x88,0x00,0x01, - 0x00,0xd2,0x1f,0xd1,0x0f,0x10,0x07,0x01,0xff,0xc3,0xb8,0x00,0x01,0xff,0x75,0xcc, - 0x80,0x00,0x10,0x08,0x01,0xff,0x75,0xcc,0x81,0x00,0x01,0xff,0x75,0xcc,0x82,0x00, - 0xd1,0x10,0x10,0x08,0x01,0xff,0x75,0xcc,0x88,0x00,0x01,0xff,0x79,0xcc,0x81,0x00, - 0x10,0x07,0x01,0xff,0xc3,0xbe,0x00,0x01,0xff,0x73,0x73,0x00,0xe1,0xd4,0x03,0xe0, - 0xeb,0x01,0xcf,0x86,0xd5,0xfb,0xd4,0x80,0xd3,0x40,0xd2,0x20,0xd1,0x10,0x10,0x08, - 0x01,0xff,0x61,0xcc,0x84,0x00,0x01,0xff,0x61,0xcc,0x84,0x00,0x10,0x08,0x01,0xff, - 0x61,0xcc,0x86,0x00,0x01,0xff,0x61,0xcc,0x86,0x00,0xd1,0x10,0x10,0x08,0x01,0xff, - 0x61,0xcc,0xa8,0x00,0x01,0xff,0x61,0xcc,0xa8,0x00,0x10,0x08,0x01,0xff,0x63,0xcc, - 0x81,0x00,0x01,0xff,0x63,0xcc,0x81,0x00,0xd2,0x20,0xd1,0x10,0x10,0x08,0x01,0xff, - 0x63,0xcc,0x82,0x00,0x01,0xff,0x63,0xcc,0x82,0x00,0x10,0x08,0x01,0xff,0x63,0xcc, - 0x87,0x00,0x01,0xff,0x63,0xcc,0x87,0x00,0xd1,0x10,0x10,0x08,0x01,0xff,0x63,0xcc, - 0x8c,0x00,0x01,0xff,0x63,0xcc,0x8c,0x00,0x10,0x08,0x01,0xff,0x64,0xcc,0x8c,0x00, - 0x01,0xff,0x64,0xcc,0x8c,0x00,0xd3,0x3b,0xd2,0x1b,0xd1,0x0b,0x10,0x07,0x01,0xff, - 0xc4,0x91,0x00,0x01,0x00,0x10,0x08,0x01,0xff,0x65,0xcc,0x84,0x00,0x01,0xff,0x65, - 0xcc,0x84,0x00,0xd1,0x10,0x10,0x08,0x01,0xff,0x65,0xcc,0x86,0x00,0x01,0xff,0x65, - 0xcc,0x86,0x00,0x10,0x08,0x01,0xff,0x65,0xcc,0x87,0x00,0x01,0xff,0x65,0xcc,0x87, - 0x00,0xd2,0x20,0xd1,0x10,0x10,0x08,0x01,0xff,0x65,0xcc,0xa8,0x00,0x01,0xff,0x65, - 0xcc,0xa8,0x00,0x10,0x08,0x01,0xff,0x65,0xcc,0x8c,0x00,0x01,0xff,0x65,0xcc,0x8c, - 0x00,0xd1,0x10,0x10,0x08,0x01,0xff,0x67,0xcc,0x82,0x00,0x01,0xff,0x67,0xcc,0x82, - 0x00,0x10,0x08,0x01,0xff,0x67,0xcc,0x86,0x00,0x01,0xff,0x67,0xcc,0x86,0x00,0xd4, - 0x7b,0xd3,0x3b,0xd2,0x20,0xd1,0x10,0x10,0x08,0x01,0xff,0x67,0xcc,0x87,0x00,0x01, - 0xff,0x67,0xcc,0x87,0x00,0x10,0x08,0x01,0xff,0x67,0xcc,0xa7,0x00,0x01,0xff,0x67, - 0xcc,0xa7,0x00,0xd1,0x10,0x10,0x08,0x01,0xff,0x68,0xcc,0x82,0x00,0x01,0xff,0x68, - 0xcc,0x82,0x00,0x10,0x07,0x01,0xff,0xc4,0xa7,0x00,0x01,0x00,0xd2,0x20,0xd1,0x10, - 0x10,0x08,0x01,0xff,0x69,0xcc,0x83,0x00,0x01,0xff,0x69,0xcc,0x83,0x00,0x10,0x08, - 0x01,0xff,0x69,0xcc,0x84,0x00,0x01,0xff,0x69,0xcc,0x84,0x00,0xd1,0x10,0x10,0x08, - 0x01,0xff,0x69,0xcc,0x86,0x00,0x01,0xff,0x69,0xcc,0x86,0x00,0x10,0x08,0x01,0xff, - 0x69,0xcc,0xa8,0x00,0x01,0xff,0x69,0xcc,0xa8,0x00,0xd3,0x37,0xd2,0x17,0xd1,0x0c, - 0x10,0x08,0x01,0xff,0x69,0xcc,0x87,0x00,0x01,0x00,0x10,0x07,0x01,0xff,0xc4,0xb3, - 0x00,0x01,0x00,0xd1,0x10,0x10,0x08,0x01,0xff,0x6a,0xcc,0x82,0x00,0x01,0xff,0x6a, - 0xcc,0x82,0x00,0x10,0x08,0x01,0xff,0x6b,0xcc,0xa7,0x00,0x01,0xff,0x6b,0xcc,0xa7, - 0x00,0xd2,0x1c,0xd1,0x0c,0x10,0x04,0x01,0x00,0x01,0xff,0x6c,0xcc,0x81,0x00,0x10, - 0x08,0x01,0xff,0x6c,0xcc,0x81,0x00,0x01,0xff,0x6c,0xcc,0xa7,0x00,0xd1,0x10,0x10, - 0x08,0x01,0xff,0x6c,0xcc,0xa7,0x00,0x01,0xff,0x6c,0xcc,0x8c,0x00,0x10,0x08,0x01, - 0xff,0x6c,0xcc,0x8c,0x00,0x01,0xff,0xc5,0x80,0x00,0xcf,0x86,0xd5,0xed,0xd4,0x72, - 0xd3,0x37,0xd2,0x17,0xd1,0x0b,0x10,0x04,0x01,0x00,0x01,0xff,0xc5,0x82,0x00,0x10, - 0x04,0x01,0x00,0x01,0xff,0x6e,0xcc,0x81,0x00,0xd1,0x10,0x10,0x08,0x01,0xff,0x6e, - 0xcc,0x81,0x00,0x01,0xff,0x6e,0xcc,0xa7,0x00,0x10,0x08,0x01,0xff,0x6e,0xcc,0xa7, - 0x00,0x01,0xff,0x6e,0xcc,0x8c,0x00,0xd2,0x1b,0xd1,0x10,0x10,0x08,0x01,0xff,0x6e, - 0xcc,0x8c,0x00,0x01,0xff,0xca,0xbc,0x6e,0x00,0x10,0x07,0x01,0xff,0xc5,0x8b,0x00, - 0x01,0x00,0xd1,0x10,0x10,0x08,0x01,0xff,0x6f,0xcc,0x84,0x00,0x01,0xff,0x6f,0xcc, - 0x84,0x00,0x10,0x08,0x01,0xff,0x6f,0xcc,0x86,0x00,0x01,0xff,0x6f,0xcc,0x86,0x00, - 0xd3,0x3b,0xd2,0x1b,0xd1,0x10,0x10,0x08,0x01,0xff,0x6f,0xcc,0x8b,0x00,0x01,0xff, - 0x6f,0xcc,0x8b,0x00,0x10,0x07,0x01,0xff,0xc5,0x93,0x00,0x01,0x00,0xd1,0x10,0x10, - 0x08,0x01,0xff,0x72,0xcc,0x81,0x00,0x01,0xff,0x72,0xcc,0x81,0x00,0x10,0x08,0x01, - 0xff,0x72,0xcc,0xa7,0x00,0x01,0xff,0x72,0xcc,0xa7,0x00,0xd2,0x20,0xd1,0x10,0x10, - 0x08,0x01,0xff,0x72,0xcc,0x8c,0x00,0x01,0xff,0x72,0xcc,0x8c,0x00,0x10,0x08,0x01, - 0xff,0x73,0xcc,0x81,0x00,0x01,0xff,0x73,0xcc,0x81,0x00,0xd1,0x10,0x10,0x08,0x01, - 0xff,0x73,0xcc,0x82,0x00,0x01,0xff,0x73,0xcc,0x82,0x00,0x10,0x08,0x01,0xff,0x73, - 0xcc,0xa7,0x00,0x01,0xff,0x73,0xcc,0xa7,0x00,0xd4,0x7b,0xd3,0x3b,0xd2,0x20,0xd1, - 0x10,0x10,0x08,0x01,0xff,0x73,0xcc,0x8c,0x00,0x01,0xff,0x73,0xcc,0x8c,0x00,0x10, - 0x08,0x01,0xff,0x74,0xcc,0xa7,0x00,0x01,0xff,0x74,0xcc,0xa7,0x00,0xd1,0x10,0x10, - 0x08,0x01,0xff,0x74,0xcc,0x8c,0x00,0x01,0xff,0x74,0xcc,0x8c,0x00,0x10,0x07,0x01, - 0xff,0xc5,0xa7,0x00,0x01,0x00,0xd2,0x20,0xd1,0x10,0x10,0x08,0x01,0xff,0x75,0xcc, - 0x83,0x00,0x01,0xff,0x75,0xcc,0x83,0x00,0x10,0x08,0x01,0xff,0x75,0xcc,0x84,0x00, - 0x01,0xff,0x75,0xcc,0x84,0x00,0xd1,0x10,0x10,0x08,0x01,0xff,0x75,0xcc,0x86,0x00, - 0x01,0xff,0x75,0xcc,0x86,0x00,0x10,0x08,0x01,0xff,0x75,0xcc,0x8a,0x00,0x01,0xff, - 0x75,0xcc,0x8a,0x00,0xd3,0x40,0xd2,0x20,0xd1,0x10,0x10,0x08,0x01,0xff,0x75,0xcc, - 0x8b,0x00,0x01,0xff,0x75,0xcc,0x8b,0x00,0x10,0x08,0x01,0xff,0x75,0xcc,0xa8,0x00, - 0x01,0xff,0x75,0xcc,0xa8,0x00,0xd1,0x10,0x10,0x08,0x01,0xff,0x77,0xcc,0x82,0x00, - 0x01,0xff,0x77,0xcc,0x82,0x00,0x10,0x08,0x01,0xff,0x79,0xcc,0x82,0x00,0x01,0xff, - 0x79,0xcc,0x82,0x00,0xd2,0x20,0xd1,0x10,0x10,0x08,0x01,0xff,0x79,0xcc,0x88,0x00, - 0x01,0xff,0x7a,0xcc,0x81,0x00,0x10,0x08,0x01,0xff,0x7a,0xcc,0x81,0x00,0x01,0xff, - 0x7a,0xcc,0x87,0x00,0xd1,0x10,0x10,0x08,0x01,0xff,0x7a,0xcc,0x87,0x00,0x01,0xff, - 0x7a,0xcc,0x8c,0x00,0x10,0x08,0x01,0xff,0x7a,0xcc,0x8c,0x00,0x01,0xff,0x73,0x00, - 0xe0,0x65,0x01,0xcf,0x86,0xd5,0xb4,0xd4,0x5a,0xd3,0x2f,0xd2,0x16,0xd1,0x0b,0x10, - 0x04,0x01,0x00,0x01,0xff,0xc9,0x93,0x00,0x10,0x07,0x01,0xff,0xc6,0x83,0x00,0x01, - 0x00,0xd1,0x0b,0x10,0x07,0x01,0xff,0xc6,0x85,0x00,0x01,0x00,0x10,0x07,0x01,0xff, - 0xc9,0x94,0x00,0x01,0xff,0xc6,0x88,0x00,0xd2,0x19,0xd1,0x0b,0x10,0x04,0x01,0x00, - 0x01,0xff,0xc9,0x96,0x00,0x10,0x07,0x01,0xff,0xc9,0x97,0x00,0x01,0xff,0xc6,0x8c, - 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0x12,0xff,0xf0,0x9e,0xa4,0xad,0x00,0xd1,0x12,0x10,0x09,0x12,0xff,0xf0,0x9e,0xa4, - 0xae,0x00,0x12,0xff,0xf0,0x9e,0xa4,0xaf,0x00,0x10,0x09,0x12,0xff,0xf0,0x9e,0xa4, - 0xb0,0x00,0x12,0xff,0xf0,0x9e,0xa4,0xb1,0x00,0xd3,0x48,0xd2,0x24,0xd1,0x12,0x10, - 0x09,0x12,0xff,0xf0,0x9e,0xa4,0xb2,0x00,0x12,0xff,0xf0,0x9e,0xa4,0xb3,0x00,0x10, - 0x09,0x12,0xff,0xf0,0x9e,0xa4,0xb4,0x00,0x12,0xff,0xf0,0x9e,0xa4,0xb5,0x00,0xd1, - 0x12,0x10,0x09,0x12,0xff,0xf0,0x9e,0xa4,0xb6,0x00,0x12,0xff,0xf0,0x9e,0xa4,0xb7, - 0x00,0x10,0x09,0x12,0xff,0xf0,0x9e,0xa4,0xb8,0x00,0x12,0xff,0xf0,0x9e,0xa4,0xb9, - 0x00,0xd2,0x24,0xd1,0x12,0x10,0x09,0x12,0xff,0xf0,0x9e,0xa4,0xba,0x00,0x12,0xff, - 0xf0,0x9e,0xa4,0xbb,0x00,0x10,0x09,0x12,0xff,0xf0,0x9e,0xa4,0xbc,0x00,0x12,0xff, - 0xf0,0x9e,0xa4,0xbd,0x00,0xd1,0x12,0x10,0x09,0x12,0xff,0xf0,0x9e,0xa4,0xbe,0x00, - 0x12,0xff,0xf0,0x9e,0xa4,0xbf,0x00,0x10,0x09,0x12,0xff,0xf0,0x9e,0xa5,0x80,0x00, - 0x12,0xff,0xf0,0x9e,0xa5,0x81,0x00,0x94,0x1e,0x93,0x1a,0x92,0x16,0x91,0x12,0x10, - 0x09,0x12,0xff,0xf0,0x9e,0xa5,0x82,0x00,0x12,0xff,0xf0,0x9e,0xa5,0x83,0x00,0x12, - 0x00,0x12,0x00,0x12,0x00,0x12,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, - 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, - 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, - /* nfdi_c0100 */ - 0x57,0x04,0x01,0x00,0xc6,0xe5,0xac,0x13,0xe4,0x41,0x0c,0xe3,0x7a,0x07,0xe2,0xf3, - 0x01,0xc1,0xd0,0x1f,0xcf,0x86,0x55,0x04,0x01,0x00,0x94,0x15,0x53,0x04,0x01,0x00, - 0x52,0x04,0x01,0x00,0x91,0x09,0x10,0x04,0x01,0x00,0x01,0xff,0x00,0x01,0x00,0x01, - 0x00,0xcf,0x86,0xd5,0xe4,0xd4,0x7c,0xd3,0x3c,0xd2,0x20,0xd1,0x10,0x10,0x08,0x01, - 0xff,0x41,0xcc,0x80,0x00,0x01,0xff,0x41,0xcc,0x81,0x00,0x10,0x08,0x01,0xff,0x41, - 0xcc,0x82,0x00,0x01,0xff,0x41,0xcc,0x83,0x00,0xd1,0x10,0x10,0x08,0x01,0xff,0x41, - 0xcc,0x88,0x00,0x01,0xff,0x41,0xcc,0x8a,0x00,0x10,0x04,0x01,0x00,0x01,0xff,0x43, - 0xcc,0xa7,0x00,0xd2,0x20,0xd1,0x10,0x10,0x08,0x01,0xff,0x45,0xcc,0x80,0x00,0x01, - 0xff,0x45,0xcc,0x81,0x00,0x10,0x08,0x01,0xff,0x45,0xcc,0x82,0x00,0x01,0xff,0x45, - 0xcc,0x88,0x00,0xd1,0x10,0x10,0x08,0x01,0xff,0x49,0xcc,0x80,0x00,0x01,0xff,0x49, - 0xcc,0x81,0x00,0x10,0x08,0x01,0xff,0x49,0xcc,0x82,0x00,0x01,0xff,0x49,0xcc,0x88, - 0x00,0xd3,0x38,0xd2,0x1c,0xd1,0x0c,0x10,0x04,0x01,0x00,0x01,0xff,0x4e,0xcc,0x83, - 0x00,0x10,0x08,0x01,0xff,0x4f,0xcc,0x80,0x00,0x01,0xff,0x4f,0xcc,0x81,0x00,0xd1, - 0x10,0x10,0x08,0x01,0xff,0x4f,0xcc,0x82,0x00,0x01,0xff,0x4f,0xcc,0x83,0x00,0x10, - 0x08,0x01,0xff,0x4f,0xcc,0x88,0x00,0x01,0x00,0xd2,0x1c,0xd1,0x0c,0x10,0x04,0x01, - 0x00,0x01,0xff,0x55,0xcc,0x80,0x00,0x10,0x08,0x01,0xff,0x55,0xcc,0x81,0x00,0x01, - 0xff,0x55,0xcc,0x82,0x00,0x91,0x10,0x10,0x08,0x01,0xff,0x55,0xcc,0x88,0x00,0x01, - 0xff,0x59,0xcc,0x81,0x00,0x01,0x00,0xd4,0x7c,0xd3,0x3c,0xd2,0x20,0xd1,0x10,0x10, - 0x08,0x01,0xff,0x61,0xcc,0x80,0x00,0x01,0xff,0x61,0xcc,0x81,0x00,0x10,0x08,0x01, - 0xff,0x61,0xcc,0x82,0x00,0x01,0xff,0x61,0xcc,0x83,0x00,0xd1,0x10,0x10,0x08,0x01, - 0xff,0x61,0xcc,0x88,0x00,0x01,0xff,0x61,0xcc,0x8a,0x00,0x10,0x04,0x01,0x00,0x01, + 0xc6,0xe5,0xf6,0x14,0xe4,0x6c,0x0d,0xe3,0x36,0x08,0xe2,0x1f,0x01,0xc1,0xd0,0x21, + 0xcf,0x86,0x55,0x04,0x01,0x00,0x54,0x04,0x01,0x00,0x93,0x13,0x52,0x04,0x01,0x00, + 0x91,0x0b,0x10,0x04,0x01,0x00,0x01,0xff,0xce,0xbc,0x00,0x01,0x00,0x01,0x00,0xcf, + 0x86,0xe5,0x9d,0x44,0xd4,0x7f,0xd3,0x3f,0xd2,0x20,0xd1,0x10,0x10,0x08,0x01,0xff, + 0x61,0xcc,0x80,0x00,0x01,0xff,0x61,0xcc,0x81,0x00,0x10,0x08,0x01,0xff,0x61,0xcc, + 0x82,0x00,0x01,0xff,0x61,0xcc,0x83,0x00,0xd1,0x10,0x10,0x08,0x01,0xff,0x61,0xcc, + 0x88,0x00,0x01,0xff,0x61,0xcc,0x8a,0x00,0x10,0x07,0x01,0xff,0xc3,0xa6,0x00,0x01, 0xff,0x63,0xcc,0xa7,0x00,0xd2,0x20,0xd1,0x10,0x10,0x08,0x01,0xff,0x65,0xcc,0x80, 0x00,0x01,0xff,0x65,0xcc,0x81,0x00,0x10,0x08,0x01,0xff,0x65,0xcc,0x82,0x00,0x01, 0xff,0x65,0xcc,0x88,0x00,0xd1,0x10,0x10,0x08,0x01,0xff,0x69,0xcc,0x80,0x00,0x01, 0xff,0x69,0xcc,0x81,0x00,0x10,0x08,0x01,0xff,0x69,0xcc,0x82,0x00,0x01,0xff,0x69, - 0xcc,0x88,0x00,0xd3,0x38,0xd2,0x1c,0xd1,0x0c,0x10,0x04,0x01,0x00,0x01,0xff,0x6e, - 0xcc,0x83,0x00,0x10,0x08,0x01,0xff,0x6f,0xcc,0x80,0x00,0x01,0xff,0x6f,0xcc,0x81, - 0x00,0xd1,0x10,0x10,0x08,0x01,0xff,0x6f,0xcc,0x82,0x00,0x01,0xff,0x6f,0xcc,0x83, - 0x00,0x10,0x08,0x01,0xff,0x6f,0xcc,0x88,0x00,0x01,0x00,0xd2,0x1c,0xd1,0x0c,0x10, - 0x04,0x01,0x00,0x01,0xff,0x75,0xcc,0x80,0x00,0x10,0x08,0x01,0xff,0x75,0xcc,0x81, - 0x00,0x01,0xff,0x75,0xcc,0x82,0x00,0xd1,0x10,0x10,0x08,0x01,0xff,0x75,0xcc,0x88, - 0x00,0x01,0xff,0x79,0xcc,0x81,0x00,0x10,0x04,0x01,0x00,0x01,0xff,0x79,0xcc,0x88, - 0x00,0xe1,0x9a,0x03,0xe0,0xd3,0x01,0xcf,0x86,0xd5,0xf4,0xd4,0x80,0xd3,0x40,0xd2, - 0x20,0xd1,0x10,0x10,0x08,0x01,0xff,0x41,0xcc,0x84,0x00,0x01,0xff,0x61,0xcc,0x84, - 0x00,0x10,0x08,0x01,0xff,0x41,0xcc,0x86,0x00,0x01,0xff,0x61,0xcc,0x86,0x00,0xd1, - 0x10,0x10,0x08,0x01,0xff,0x41,0xcc,0xa8,0x00,0x01,0xff,0x61,0xcc,0xa8,0x00,0x10, - 0x08,0x01,0xff,0x43,0xcc,0x81,0x00,0x01,0xff,0x63,0xcc,0x81,0x00,0xd2,0x20,0xd1, - 0x10,0x10,0x08,0x01,0xff,0x43,0xcc,0x82,0x00,0x01,0xff,0x63,0xcc,0x82,0x00,0x10, - 0x08,0x01,0xff,0x43,0xcc,0x87,0x00,0x01,0xff,0x63,0xcc,0x87,0x00,0xd1,0x10,0x10, - 0x08,0x01,0xff,0x43,0xcc,0x8c,0x00,0x01,0xff,0x63,0xcc,0x8c,0x00,0x10,0x08,0x01, - 0xff,0x44,0xcc,0x8c,0x00,0x01,0xff,0x64,0xcc,0x8c,0x00,0xd3,0x34,0xd2,0x14,0x51, - 0x04,0x01,0x00,0x10,0x08,0x01,0xff,0x45,0xcc,0x84,0x00,0x01,0xff,0x65,0xcc,0x84, - 0x00,0xd1,0x10,0x10,0x08,0x01,0xff,0x45,0xcc,0x86,0x00,0x01,0xff,0x65,0xcc,0x86, - 0x00,0x10,0x08,0x01,0xff,0x45,0xcc,0x87,0x00,0x01,0xff,0x65,0xcc,0x87,0x00,0xd2, - 0x20,0xd1,0x10,0x10,0x08,0x01,0xff,0x45,0xcc,0xa8,0x00,0x01,0xff,0x65,0xcc,0xa8, - 0x00,0x10,0x08,0x01,0xff,0x45,0xcc,0x8c,0x00,0x01,0xff,0x65,0xcc,0x8c,0x00,0xd1, - 0x10,0x10,0x08,0x01,0xff,0x47,0xcc,0x82,0x00,0x01,0xff,0x67,0xcc,0x82,0x00,0x10, - 0x08,0x01,0xff,0x47,0xcc,0x86,0x00,0x01,0xff,0x67,0xcc,0x86,0x00,0xd4,0x74,0xd3, - 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0x96,0xb9,0xa9,0x00,0x10,0x09,0x14,0xff,0xf0,0x96,0xb9,0xaa,0x00,0x14,0xff,0xf0, + 0x96,0xb9,0xab,0x00,0xd1,0x12,0x10,0x09,0x14,0xff,0xf0,0x96,0xb9,0xac,0x00,0x14, + 0xff,0xf0,0x96,0xb9,0xad,0x00,0x10,0x09,0x14,0xff,0xf0,0x96,0xb9,0xae,0x00,0x14, + 0xff,0xf0,0x96,0xb9,0xaf,0x00,0xd3,0x48,0xd2,0x24,0xd1,0x12,0x10,0x09,0x14,0xff, + 0xf0,0x96,0xb9,0xb0,0x00,0x14,0xff,0xf0,0x96,0xb9,0xb1,0x00,0x10,0x09,0x14,0xff, + 0xf0,0x96,0xb9,0xb2,0x00,0x14,0xff,0xf0,0x96,0xb9,0xb3,0x00,0xd1,0x12,0x10,0x09, + 0x14,0xff,0xf0,0x96,0xb9,0xb4,0x00,0x14,0xff,0xf0,0x96,0xb9,0xb5,0x00,0x10,0x09, + 0x14,0xff,0xf0,0x96,0xb9,0xb6,0x00,0x14,0xff,0xf0,0x96,0xb9,0xb7,0x00,0xd2,0x24, + 0xd1,0x12,0x10,0x09,0x14,0xff,0xf0,0x96,0xb9,0xb8,0x00,0x14,0xff,0xf0,0x96,0xb9, + 0xb9,0x00,0x10,0x09,0x14,0xff,0xf0,0x96,0xb9,0xba,0x00,0x14,0xff,0xf0,0x96,0xb9, + 0xbb,0x00,0xd1,0x12,0x10,0x09,0x14,0xff,0xf0,0x96,0xb9,0xbc,0x00,0x14,0xff,0xf0, + 0x96,0xb9,0xbd,0x00,0x10,0x09,0x14,0xff,0xf0,0x96,0xb9,0xbe,0x00,0x14,0xff,0xf0, + 0x96,0xb9,0xbf,0x00,0x14,0x00,0xd2,0x14,0xe1,0x8d,0x81,0xe0,0x84,0x81,0xcf,0x86, + 0xe5,0x45,0x81,0xe4,0x02,0x81,0xcf,0x06,0x12,0x00,0xd1,0x0b,0xe0,0xb8,0x82,0xcf, + 0x86,0xcf,0x06,0x00,0x00,0xe0,0xf8,0x8a,0xcf,0x86,0xd5,0x22,0xe4,0x33,0x88,0xe3, + 0xf6,0x87,0xe2,0x9b,0x87,0xe1,0x94,0x87,0xe0,0x8d,0x87,0xcf,0x86,0xe5,0x5e,0x87, + 0xe4,0x45,0x87,0x93,0x07,0x62,0x34,0x87,0x12,0xe6,0x12,0xe6,0xe4,0x99,0x88,0xe3, + 0x92,0x88,0xd2,0x09,0xe1,0x1b,0x88,0xcf,0x06,0x10,0x00,0xe1,0x82,0x88,0xe0,0x4f, + 0x88,0xcf,0x86,0xe5,0x21,0x01,0xd4,0x90,0xd3,0x48,0xd2,0x24,0xd1,0x12,0x10,0x09, + 0x12,0xff,0xf0,0x9e,0xa4,0xa2,0x00,0x12,0xff,0xf0,0x9e,0xa4,0xa3,0x00,0x10,0x09, + 0x12,0xff,0xf0,0x9e,0xa4,0xa4,0x00,0x12,0xff,0xf0,0x9e,0xa4,0xa5,0x00,0xd1,0x12, + 0x10,0x09,0x12,0xff,0xf0,0x9e,0xa4,0xa6,0x00,0x12,0xff,0xf0,0x9e,0xa4,0xa7,0x00, + 0x10,0x09,0x12,0xff,0xf0,0x9e,0xa4,0xa8,0x00,0x12,0xff,0xf0,0x9e,0xa4,0xa9,0x00, + 0xd2,0x24,0xd1,0x12,0x10,0x09,0x12,0xff,0xf0,0x9e,0xa4,0xaa,0x00,0x12,0xff,0xf0, + 0x9e,0xa4,0xab,0x00,0x10,0x09,0x12,0xff,0xf0,0x9e,0xa4,0xac,0x00,0x12,0xff,0xf0, + 0x9e,0xa4,0xad,0x00,0xd1,0x12,0x10,0x09,0x12,0xff,0xf0,0x9e,0xa4,0xae,0x00,0x12, + 0xff,0xf0,0x9e,0xa4,0xaf,0x00,0x10,0x09,0x12,0xff,0xf0,0x9e,0xa4,0xb0,0x00,0x12, + 0xff,0xf0,0x9e,0xa4,0xb1,0x00,0xd3,0x48,0xd2,0x24,0xd1,0x12,0x10,0x09,0x12,0xff, + 0xf0,0x9e,0xa4,0xb2,0x00,0x12,0xff,0xf0,0x9e,0xa4,0xb3,0x00,0x10,0x09,0x12,0xff, + 0xf0,0x9e,0xa4,0xb4,0x00,0x12,0xff,0xf0,0x9e,0xa4,0xb5,0x00,0xd1,0x12,0x10,0x09, + 0x12,0xff,0xf0,0x9e,0xa4,0xb6,0x00,0x12,0xff,0xf0,0x9e,0xa4,0xb7,0x00,0x10,0x09, + 0x12,0xff,0xf0,0x9e,0xa4,0xb8,0x00,0x12,0xff,0xf0,0x9e,0xa4,0xb9,0x00,0xd2,0x24, + 0xd1,0x12,0x10,0x09,0x12,0xff,0xf0,0x9e,0xa4,0xba,0x00,0x12,0xff,0xf0,0x9e,0xa4, + 0xbb,0x00,0x10,0x09,0x12,0xff,0xf0,0x9e,0xa4,0xbc,0x00,0x12,0xff,0xf0,0x9e,0xa4, + 0xbd,0x00,0xd1,0x12,0x10,0x09,0x12,0xff,0xf0,0x9e,0xa4,0xbe,0x00,0x12,0xff,0xf0, + 0x9e,0xa4,0xbf,0x00,0x10,0x09,0x12,0xff,0xf0,0x9e,0xa5,0x80,0x00,0x12,0xff,0xf0, + 0x9e,0xa5,0x81,0x00,0x94,0x1e,0x93,0x1a,0x92,0x16,0x91,0x12,0x10,0x09,0x12,0xff, + 0xf0,0x9e,0xa5,0x82,0x00,0x12,0xff,0xf0,0x9e,0xa5,0x83,0x00,0x12,0x00,0x12,0x00, + 0x12,0x00,0x12,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, + 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, + 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, + /* nfdi_c0100 */ + 0x57,0x04,0x01,0x00,0xc6,0xe5,0x91,0x13,0xe4,0x27,0x0c,0xe3,0x61,0x07,0xe2,0xda, + 0x01,0xc1,0xd0,0x06,0xcf,0x06,0x01,0x00,0xcf,0x86,0xd5,0xe4,0xd4,0x7c,0xd3,0x3c, + 0xd2,0x20,0xd1,0x10,0x10,0x08,0x01,0xff,0x41,0xcc,0x80,0x00,0x01,0xff,0x41,0xcc, + 0x81,0x00,0x10,0x08,0x01,0xff,0x41,0xcc,0x82,0x00,0x01,0xff,0x41,0xcc,0x83,0x00, + 0xd1,0x10,0x10,0x08,0x01,0xff,0x41,0xcc,0x88,0x00,0x01,0xff,0x41,0xcc,0x8a,0x00, + 0x10,0x04,0x01,0x00,0x01,0xff,0x43,0xcc,0xa7,0x00,0xd2,0x20,0xd1,0x10,0x10,0x08, + 0x01,0xff,0x45,0xcc,0x80,0x00,0x01,0xff,0x45,0xcc,0x81,0x00,0x10,0x08,0x01,0xff, + 0x45,0xcc,0x82,0x00,0x01,0xff,0x45,0xcc,0x88,0x00,0xd1,0x10,0x10,0x08,0x01,0xff, + 0x49,0xcc,0x80,0x00,0x01,0xff,0x49,0xcc,0x81,0x00,0x10,0x08,0x01,0xff,0x49,0xcc, + 0x82,0x00,0x01,0xff,0x49,0xcc,0x88,0x00,0xd3,0x38,0xd2,0x1c,0xd1,0x0c,0x10,0x04, + 0x01,0x00,0x01,0xff,0x4e,0xcc,0x83,0x00,0x10,0x08,0x01,0xff,0x4f,0xcc,0x80,0x00, + 0x01,0xff,0x4f,0xcc,0x81,0x00,0xd1,0x10,0x10,0x08,0x01,0xff,0x4f,0xcc,0x82,0x00, + 0x01,0xff,0x4f,0xcc,0x83,0x00,0x10,0x08,0x01,0xff,0x4f,0xcc,0x88,0x00,0x01,0x00, + 0xd2,0x1c,0xd1,0x0c,0x10,0x04,0x01,0x00,0x01,0xff,0x55,0xcc,0x80,0x00,0x10,0x08, + 0x01,0xff,0x55,0xcc,0x81,0x00,0x01,0xff,0x55,0xcc,0x82,0x00,0x91,0x10,0x10,0x08, + 0x01,0xff,0x55,0xcc,0x88,0x00,0x01,0xff,0x59,0xcc,0x81,0x00,0x01,0x00,0xd4,0x7c, + 0xd3,0x3c,0xd2,0x20,0xd1,0x10,0x10,0x08,0x01,0xff,0x61,0xcc,0x80,0x00,0x01,0xff, + 0x61,0xcc,0x81,0x00,0x10,0x08,0x01,0xff,0x61,0xcc,0x82,0x00,0x01,0xff,0x61,0xcc, + 0x83,0x00,0xd1,0x10,0x10,0x08,0x01,0xff,0x61,0xcc,0x88,0x00,0x01,0xff,0x61,0xcc, + 0x8a,0x00,0x10,0x04,0x01,0x00,0x01,0xff,0x63,0xcc,0xa7,0x00,0xd2,0x20,0xd1,0x10, + 0x10,0x08,0x01,0xff,0x65,0xcc,0x80,0x00,0x01,0xff,0x65,0xcc,0x81,0x00,0x10,0x08, + 0x01,0xff,0x65,0xcc,0x82,0x00,0x01,0xff,0x65,0xcc,0x88,0x00,0xd1,0x10,0x10,0x08, + 0x01,0xff,0x69,0xcc,0x80,0x00,0x01,0xff,0x69,0xcc,0x81,0x00,0x10,0x08,0x01,0xff, + 0x69,0xcc,0x82,0x00,0x01,0xff,0x69,0xcc,0x88,0x00,0xd3,0x38,0xd2,0x1c,0xd1,0x0c, + 0x10,0x04,0x01,0x00,0x01,0xff,0x6e,0xcc,0x83,0x00,0x10,0x08,0x01,0xff,0x6f,0xcc, + 0x80,0x00,0x01,0xff,0x6f,0xcc,0x81,0x00,0xd1,0x10,0x10,0x08,0x01,0xff,0x6f,0xcc, + 0x82,0x00,0x01,0xff,0x6f,0xcc,0x83,0x00,0x10,0x08,0x01,0xff,0x6f,0xcc,0x88,0x00, + 0x01,0x00,0xd2,0x1c,0xd1,0x0c,0x10,0x04,0x01,0x00,0x01,0xff,0x75,0xcc,0x80,0x00, + 0x10,0x08,0x01,0xff,0x75,0xcc,0x81,0x00,0x01,0xff,0x75,0xcc,0x82,0x00,0xd1,0x10, + 0x10,0x08,0x01,0xff,0x75,0xcc,0x88,0x00,0x01,0xff,0x79,0xcc,0x81,0x00,0x10,0x04, + 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0x61,0xd2,0x44,0xd1,0x22,0x10,0x11,0x05,0xff,0xf0,0x9d,0x85,0x98,0xf0,0x9d,0x85, + 0xa5,0xf0,0x9d,0x85,0xae,0x00,0x05,0xff,0xf0,0x9d,0x85,0x98,0xf0,0x9d,0x85,0xa5, + 0xf0,0x9d,0x85,0xaf,0x00,0x10,0x11,0x05,0xff,0xf0,0x9d,0x85,0x98,0xf0,0x9d,0x85, + 0xa5,0xf0,0x9d,0x85,0xb0,0x00,0x05,0xff,0xf0,0x9d,0x85,0x98,0xf0,0x9d,0x85,0xa5, + 0xf0,0x9d,0x85,0xb1,0x00,0xd1,0x15,0x10,0x11,0x05,0xff,0xf0,0x9d,0x85,0x98,0xf0, + 0x9d,0x85,0xa5,0xf0,0x9d,0x85,0xb2,0x00,0x05,0xd8,0x10,0x04,0x05,0xd8,0x05,0x01, + 0xd2,0x08,0x11,0x04,0x05,0x01,0x05,0x00,0x91,0x08,0x10,0x04,0x05,0x00,0x05,0xe2, + 0x05,0xd8,0xd3,0x10,0x92,0x0c,0x51,0x04,0x05,0xd8,0x10,0x04,0x05,0xd8,0x05,0x00, + 0x05,0x00,0x92,0x0c,0x51,0x04,0x05,0x00,0x10,0x04,0x05,0x00,0x05,0xdc,0x05,0xdc, 0xd0,0x97,0xcf,0x86,0xd5,0x28,0x94,0x24,0xd3,0x18,0xd2,0x0c,0x51,0x04,0x05,0xdc, 0x10,0x04,0x05,0xdc,0x05,0x00,0x91,0x08,0x10,0x04,0x05,0x00,0x05,0xe6,0x05,0xe6, 0x92,0x08,0x11,0x04,0x05,0xe6,0x05,0xdc,0x05,0x00,0x05,0x00,0xd4,0x14,0x53,0x04, @@ -4091,19 +4081,18 @@ static const unsigned char utf8data[64256] = { 0x00,0xd3,0x06,0xcf,0x06,0x00,0x00,0xd2,0x06,0xcf,0x06,0x00,0x00,0xd1,0x06,0xcf, 0x06,0x00,0x00,0xd0,0x06,0xcf,0x06,0x00,0x00,0xcf,0x86,0x55,0x04,0x00,0x00,0x54, 0x04,0x00,0x00,0x53,0x04,0x00,0x00,0x52,0x04,0x00,0x00,0x11,0x04,0x00,0x00,0x02, - 0x00,0xd4,0xd9,0xd3,0x81,0xd2,0x79,0xd1,0x71,0xd0,0x69,0xcf,0x86,0xd5,0x60,0xd4, - 0x59,0xd3,0x52,0xd2,0x33,0xd1,0x2c,0xd0,0x25,0xcf,0x86,0x95,0x1e,0x94,0x19,0x93, - 0x14,0x92,0x0f,0x91,0x0a,0x10,0x05,0x00,0xff,0x00,0x05,0xff,0x00,0x00,0xff,0x00, - 0x00,0xff,0x00,0x00,0xff,0x00,0x00,0xff,0x00,0x05,0xff,0x00,0xcf,0x06,0x05,0xff, - 0x00,0xcf,0x06,0x00,0xff,0x00,0xd1,0x07,0xcf,0x06,0x07,0xff,0x00,0xd0,0x07,0xcf, - 0x06,0x07,0xff,0x00,0xcf,0x86,0x55,0x05,0x07,0xff,0x00,0x14,0x05,0x07,0xff,0x00, - 0x00,0xff,0x00,0xcf,0x06,0x00,0xff,0x00,0xcf,0x06,0x00,0xff,0x00,0xcf,0x06,0x00, - 0xff,0x00,0xcf,0x86,0xcf,0x06,0x00,0x00,0xcf,0x86,0xcf,0x06,0x00,0x00,0xcf,0x86, - 0xcf,0x06,0x00,0x00,0xd2,0x08,0xcf,0x86,0xcf,0x06,0x00,0x00,0xd1,0x08,0xcf,0x86, - 0xcf,0x06,0x00,0x00,0xd0,0x08,0xcf,0x86,0xcf,0x06,0x00,0x00,0xcf,0x86,0xd5,0x06, - 0xcf,0x06,0x00,0x00,0xd4,0x06,0xcf,0x06,0x00,0x00,0xd3,0x06,0xcf,0x06,0x00,0x00, - 0xd2,0x06,0xcf,0x06,0x00,0x00,0xd1,0x06,0xcf,0x06,0x00,0x00,0xd0,0x06,0xcf,0x06, - 0x00,0x00,0xcf,0x86,0x55,0x04,0x00,0x00,0x54,0x04,0x00,0x00,0x53,0x04,0x00,0x00, - 0x52,0x04,0x00,0x00,0x11,0x04,0x00,0x00,0x02,0x00,0xcf,0x86,0xcf,0x06,0x02,0x00, - 0x81,0x80,0xcf,0x86,0x85,0x84,0xcf,0x86,0xcf,0x06,0x02,0x00,0x00,0x00,0x00,0x00 + 0x00,0xd4,0xc8,0xd3,0x70,0xd2,0x68,0xd1,0x60,0xd0,0x58,0xcf,0x86,0xd5,0x50,0xd4, + 0x4a,0xd3,0x44,0xd2,0x2a,0xd1,0x24,0xd0,0x1e,0xcf,0x86,0x95,0x18,0x94,0x14,0x93, + 0x10,0x92,0x0c,0x91,0x08,0x10,0x04,0x00,0x00,0x05,0x00,0x00,0x00,0x00,0x00,0x00, + 0x00,0x00,0x00,0x05,0x00,0xcf,0x06,0x05,0x00,0xcf,0x06,0x00,0x00,0xd1,0x06,0xcf, + 0x06,0x07,0x00,0xd0,0x06,0xcf,0x06,0x07,0x00,0xcf,0x86,0x55,0x04,0x07,0x00,0x14, + 0x04,0x07,0x00,0x00,0x00,0xcf,0x06,0x00,0x00,0xcf,0x06,0x00,0x00,0xcf,0x06,0x00, + 0x00,0xcf,0x86,0xcf,0x06,0x00,0x00,0xcf,0x86,0xcf,0x06,0x00,0x00,0xcf,0x86,0xcf, + 0x06,0x00,0x00,0xd2,0x08,0xcf,0x86,0xcf,0x06,0x00,0x00,0xd1,0x08,0xcf,0x86,0xcf, + 0x06,0x00,0x00,0xd0,0x08,0xcf,0x86,0xcf,0x06,0x00,0x00,0xcf,0x86,0xd5,0x06,0xcf, + 0x06,0x00,0x00,0xd4,0x06,0xcf,0x06,0x00,0x00,0xd3,0x06,0xcf,0x06,0x00,0x00,0xd2, + 0x06,0xcf,0x06,0x00,0x00,0xd1,0x06,0xcf,0x06,0x00,0x00,0xd0,0x06,0xcf,0x06,0x00, + 0x00,0xcf,0x86,0x55,0x04,0x00,0x00,0x54,0x04,0x00,0x00,0x53,0x04,0x00,0x00,0x52, + 0x04,0x00,0x00,0x11,0x04,0x00,0x00,0x02,0x00,0xcf,0x86,0xcf,0x06,0x02,0x00,0x81, + 0x80,0xcf,0x86,0x85,0x84,0xcf,0x86,0xcf,0x06,0x02,0x00,0x00,0x00,0x00,0x00,0x00 }; From f22586e750a43e7f99d3f21a5c86d619c00426cf Mon Sep 17 00:00:00 2001 From: Lianqin Hu Date: Mon, 14 Oct 2024 18:02:04 +0800 Subject: [PATCH 699/702] ANDROID: usb: Optimization the transfer rate of accessory mode in USB3.2 mode BmAttributes controls the maximum number of streams supported by the endpoint. streaming is a data transmission mode that allows multiple data packets to be sent simultaneously in one transmission cycle. Set bmAttributes to 16, bulk endpoint with more than 65536 streams, can effectively improve data throughput. Modify bmAttributes to 16. The 5Gbps peak rate increases from 350MB/s to 400MB/s. The 10Gbps peak rate is increased from 500MB/s to 600MB/s. Bug: 373314134 Change-Id: I4b6c9554ff39a7b2222461e1949825dd6148c006 Signed-off-by: Lianqin Hu Signed-off-by: Lianqin Hu (cherry picked from commit 1fe91f863a7f6adfb5a0670df464283a7a0647f6) Signed-off-by: Lianqin Hu --- drivers/usb/gadget/function/f_accessory.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/usb/gadget/function/f_accessory.c b/drivers/usb/gadget/function/f_accessory.c index 91bbfba72b21..791906d6f327 100644 --- a/drivers/usb/gadget/function/f_accessory.c +++ b/drivers/usb/gadget/function/f_accessory.c @@ -171,7 +171,7 @@ static struct usb_ss_ep_comp_descriptor acc_superspeedplus_comp_desc = { /* the following 2 values can be tweaked if necessary */ .bMaxBurst = 6, - /* .bmAttributes = 0, */ + .bmAttributes = 16, }; static struct usb_endpoint_descriptor acc_superspeed_in_desc = { @@ -196,7 +196,7 @@ static struct usb_ss_ep_comp_descriptor acc_superspeed_comp_desc = { /* the following 2 values can be tweaked if necessary */ .bMaxBurst = 6, - /* .bmAttributes = 0, */ + .bmAttributes = 16, }; static struct usb_endpoint_descriptor acc_highspeed_in_desc = { From 53a61c62da385f0f1dae8a0d8609e18f34f4e399 Mon Sep 17 00:00:00 2001 From: Willem de Bruijn Date: Tue, 1 Oct 2024 13:17:46 -0400 Subject: [PATCH 700/702] BACKPORT: gso: fix udp gso fraglist segmentation after pull from frag_list Detect gso fraglist skbs with corrupted geometry (see below) and pass these to skb_segment instead of skb_segment_list, as the first can segment them correctly. Valid SKB_GSO_FRAGLIST skbs - consist of two or more segments - the head_skb holds the protocol headers plus first gso_size - one or more frag_list skbs hold exactly one segment - all but the last must be gso_size Optional datapath hooks such as NAT and BPF (bpf_skb_pull_data) can modify these skbs, breaking these invariants. In extreme cases they pull all data into skb linear. For UDP, this causes a NULL ptr deref in __udpv4_gso_segment_list_csum at udp_hdr(seg->next)->dest. Detect invalid geometry due to pull, by checking head_skb size. Don't just drop, as this may blackhole a destination. Convert to be able to pass to regular skb_segment. Link: https://lore.kernel.org/netdev/20240428142913.18666-1-shiming.cheng@mediatek.com/ Fixes: 9fd1ff5d2ac7 ("udp: Support UDP fraglist GRO/GSO.") Signed-off-by: Willem de Bruijn Cc: stable@vger.kernel.org Link: https://patch.msgid.link/20241001171752.107580-1-willemdebruijn.kernel@gmail.com Signed-off-by: Jakub Kicinski Bug: 373245346 Bug: 333849117 Change-Id: I5a317e002f149cf9d399dce9bf87cd649a24da19 (cherry picked from commit a1e40ac5b5e9077fe1f7ae0eb88034db0f9ae1ab) Signed-off-by: Lena Wang (cherry picked from commit 42c2d1ea7c1bf984372f0ca1711d91165cbb87a6) (cherry picked from commit 7376b8e51c4ddaa8e36b2b33d6ac3392135183b1) --- net/ipv4/udp_offload.c | 23 +++++++++++++++++++++-- 1 file changed, 21 insertions(+), 2 deletions(-) diff --git a/net/ipv4/udp_offload.c b/net/ipv4/udp_offload.c index a0b569d0085b..86ff179f0941 100644 --- a/net/ipv4/udp_offload.c +++ b/net/ipv4/udp_offload.c @@ -7,6 +7,7 @@ */ #include +#include #include #include #include @@ -269,8 +270,26 @@ struct sk_buff *__udp_gso_segment(struct sk_buff *gso_skb, __sum16 check; __be16 newlen; - if (skb_shinfo(gso_skb)->gso_type & SKB_GSO_FRAGLIST) - return __udp_gso_segment_list(gso_skb, features, is_ipv6); + if (skb_shinfo(gso_skb)->gso_type & SKB_GSO_FRAGLIST) { + /* Detect modified geometry and pass those to skb_segment. */ + if (skb_pagelen(gso_skb) - sizeof(*uh) == skb_shinfo(gso_skb)->gso_size) + return __udp_gso_segment_list(gso_skb, features, is_ipv6); + + /* Setup csum, as fraglist skips this in udp4_gro_receive. */ + gso_skb->csum_start = skb_transport_header(gso_skb) - gso_skb->head; + gso_skb->csum_offset = offsetof(struct udphdr, check); + gso_skb->ip_summed = CHECKSUM_PARTIAL; + + uh = udp_hdr(gso_skb); + if (is_ipv6) + uh->check = ~udp_v6_check(gso_skb->len, + &ipv6_hdr(gso_skb)->saddr, + &ipv6_hdr(gso_skb)->daddr, 0); + else + uh->check = ~udp_v4_check(gso_skb->len, + ip_hdr(gso_skb)->saddr, + ip_hdr(gso_skb)->daddr, 0); + } mss = skb_shinfo(gso_skb)->gso_size; if (gso_skb->len <= sizeof(*uh) + mss) From 1ef761289785eda4bd01e81d0e4fbebf530c8734 Mon Sep 17 00:00:00 2001 From: Justin Chen Date: Mon, 14 Oct 2024 09:07:17 -0700 Subject: [PATCH 701/702] BACKPORT: firmware: arm_scmi: Queue in scmi layer for mailbox implementation send_message() does not block in the MBOX implementation. This is because the mailbox layer has its own queue. However, this confuses the per xfer timeouts as they all start their timeout ticks in parallel. Consider a case where the xfer timeout is 30ms and a SCMI transaction takes 25ms: | 0ms: Message #0 is queued in mailbox layer and sent out, then sits | at scmi_wait_for_message_response() with a timeout of 30ms | 1ms: Message #1 is queued in mailbox layer but not sent out yet. | Since send_message() doesn't block, it also sits at | scmi_wait_for_message_response() with a timeout of 30ms | ... | 25ms: Message #0 is completed, txdone is called and message #1 is sent | 31ms: Message #1 times out since the count started at 1ms. Even though | it has only been inflight for 6ms. Bug: 374939101 Fixes: 5c8a47a5a91d ("firmware: arm_scmi: Make scmi core independent of the transport type") Change-Id: I0ab132221c28d4594f0bbc161f431ceb49830824 Signed-off-by: Justin Chen Message-Id: <20241014160717.1678953-1-justin.chen@broadcom.com> Reviewed-by: Cristian Marussi Tested-by: Cristian Marussi Signed-off-by: Sudeep Holla (cherry picked from commit da1642bc97c4ef67f347edcd493bd0a52f88777b) Signed-off-by: Danesh Petigara Signed-off-by: Pierre Couillaud (cherry picked from commit e02772c76d6fa54bd75b3961bb08c3a01122dbc9) --- drivers/firmware/arm_scmi/mailbox.c | 28 +++++++++++++++++++--------- 1 file changed, 19 insertions(+), 9 deletions(-) diff --git a/drivers/firmware/arm_scmi/mailbox.c b/drivers/firmware/arm_scmi/mailbox.c index ad773a657ed2..d89420cf6776 100644 --- a/drivers/firmware/arm_scmi/mailbox.c +++ b/drivers/firmware/arm_scmi/mailbox.c @@ -22,12 +22,14 @@ * @chan: Transmit/Receive mailbox channel * @cinfo: SCMI channel info * @shmem: Transmit/Receive shared memory area + * @chan_lock: Lock that prevents multiple xfers from being queued */ struct scmi_mailbox { struct mbox_client cl; struct mbox_chan *chan; struct scmi_chan_info *cinfo; struct scmi_shared_mem __iomem *shmem; + struct mutex chan_lock; }; #define client_to_scmi_mailbox(c) container_of(c, struct scmi_mailbox, cl) @@ -138,6 +140,7 @@ static int mailbox_chan_setup(struct scmi_chan_info *cinfo, struct device *dev, cinfo->transport_info = smbox; smbox->cinfo = cinfo; + mutex_init(&smbox->chan_lock); return 0; } @@ -165,26 +168,33 @@ static int mailbox_send_message(struct scmi_chan_info *cinfo, struct scmi_mailbox *smbox = cinfo->transport_info; int ret; + /* + * The mailbox layer has its own queue. However the mailbox queue confuses + * the per message SCMI timeouts since the clock starts when the message is + * submitted into the mailbox queue. So when multiple messages are queued up + * the clock starts on all messages instead of only the one inflight. + */ + mutex_lock(&smbox->chan_lock); + ret = mbox_send_message(smbox->chan, xfer); /* mbox_send_message returns non-negative value on success, so reset */ - if (ret > 0) - ret = 0; + if (ret < 0) { + mutex_unlock(&smbox->chan_lock); + return ret; + } - return ret; + return 0; } static void mailbox_mark_txdone(struct scmi_chan_info *cinfo, int ret) { struct scmi_mailbox *smbox = cinfo->transport_info; - /* - * NOTE: we might prefer not to need the mailbox ticker to manage the - * transfer queueing since the protocol layer queues things by itself. - * Unfortunately, we have to kick the mailbox framework after we have - * received our message. - */ mbox_client_txdone(smbox->chan, ret); + + /* Release channel */ + mutex_unlock(&smbox->chan_lock); } static void mailbox_fetch_response(struct scmi_chan_info *cinfo, From 9b6fc2bc30e3c52380af90f37a442795c6f1da4a Mon Sep 17 00:00:00 2001 From: "T.J. Mercier" Date: Fri, 30 Aug 2024 19:26:26 +0000 Subject: [PATCH 702/702] UPSTREAM: dma-buf: heaps: Fix off-by-one in CMA heap fault handler commit ea5ff5d351b520524019f7ff7f9ce418de2dad87 upstream. Until VM_DONTEXPAND was added in commit 1c1914d6e8c6 ("dma-buf: heaps: Don't track CMA dma-buf pages under RssFile") it was possible to obtain a mapping larger than the buffer size via mremap and bypass the overflow check in dma_buf_mmap_internal. When using such a mapping to attempt to fault past the end of the buffer, the CMA heap fault handler also checks the fault offset against the buffer size, but gets the boundary wrong by 1. Fix the boundary check so that we don't read off the end of the pages array and insert an arbitrary page in the mapping. Bug: 363259128 Reported-by: Xingyu Jin Fixes: a5d2d29e24be ("dma-buf: heaps: Move heap-helper logic into the cma_heap implementation") Cc: stable@vger.kernel.org # Applicable >= 5.10. Needs adjustments only for 5.10. Signed-off-by: T.J. Mercier Acked-by: John Stultz Signed-off-by: Sumit Semwal Link: https://patchwork.freedesktop.org/patch/msgid/20240830192627.2546033-1-tjmercier@google.com Signed-off-by: Greg Kroah-Hartman (cherry picked from commit 79cce5e81d20fa9ad553be439d665ac3302d3c95) Signed-off-by: Lee Jones Change-Id: Ifc9c940e0a3cd721d29c783753b0dfd13a8aafc6 --- drivers/dma-buf/heaps/cma_heap.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/dma-buf/heaps/cma_heap.c b/drivers/dma-buf/heaps/cma_heap.c index 511d678ecbfc..5f765b2cefc4 100644 --- a/drivers/dma-buf/heaps/cma_heap.c +++ b/drivers/dma-buf/heaps/cma_heap.c @@ -167,7 +167,7 @@ static vm_fault_t cma_heap_vm_fault(struct vm_fault *vmf) struct vm_area_struct *vma = vmf->vma; struct cma_heap_buffer *buffer = vma->vm_private_data; - if (vmf->pgoff > buffer->pagecount) + if (vmf->pgoff >= buffer->pagecount) return VM_FAULT_SIGBUS; vmf->page = buffer->pages[vmf->pgoff];