5939035887
565 Commits
| Author | SHA1 | Message | Date | |
|---|---|---|---|---|
Greg Kroah-Hartman
|
5939035887 |
This is the 5.10.140 stable release
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add __init/__exit annotations to module init/exit funcs netfilter: ebtables: reject blobs that don't provide all entry points bnxt_en: fix NQ resource accounting during vf creation on 57500 chips netfilter: nft_payload: report ERANGE for too long offset and length netfilter: nft_payload: do not truncate csum_offset and csum_type netfilter: nf_tables: do not leave chain stats enabled on error netfilter: nft_osf: restrict osf to ipv4, ipv6 and inet families netfilter: nft_tunnel: restrict it to netdev family netfilter: nftables: remove redundant assignment of variable err netfilter: nf_tables: consolidate rule verdict trace call netfilter: nft_cmp: optimize comparison for 16-bytes netfilter: bitwise: improve error goto labels netfilter: nf_tables: upfront validation of data via nft_data_init() netfilter: nf_tables: disallow jump to implicit chain from set element netfilter: nf_tables: disallow binding to already bound chain tcp: tweak len/truesize ratio for coalesce candidates net: Fix data-races around sysctl_[rw]mem(_offset)?. net: Fix data-races around sysctl_[rw]mem_(max|default). net: Fix data-races around weight_p and dev_weight_[rt]x_bias. net: Fix data-races around netdev_max_backlog. net: Fix data-races around netdev_tstamp_prequeue. ratelimit: Fix data-races in ___ratelimit(). bpf: Folding omem_charge() into sk_storage_charge() net: Fix data-races around sysctl_optmem_max. net: Fix a data-race around sysctl_tstamp_allow_data. net: Fix a data-race around sysctl_net_busy_poll. net: Fix a data-race around sysctl_net_busy_read. net: Fix a data-race around netdev_budget. net: Fix a data-race around netdev_budget_usecs. net: Fix data-races around sysctl_fb_tunnels_only_for_init_net. net: Fix data-races around sysctl_devconf_inherit_init_net. net: Fix a data-race around sysctl_somaxconn. ixgbe: stop resetting SYSTIME in ixgbe_ptp_start_cyclecounter rxrpc: Fix locking in rxrpc's sendmsg ionic: fix up issues with handling EAGAIN on FW cmds btrfs: fix silent failure when deleting root reference btrfs: replace: drop assert for suspended replace btrfs: add info when mount fails due to stale replace target btrfs: check if root is readonly while setting security xattr perf/x86/lbr: Enable the branch type for the Arch LBR by default x86/unwind/orc: Unwind ftrace trampolines with correct ORC entry x86/bugs: Add "unknown" reporting for MMIO Stale Data loop: Check for overflow while configuring loop asm-generic: sections: refactor memory_intersects s390: fix double free of GS and RI CBs on fork() failure ACPI: processor: Remove freq Qos request for all CPUs xen/privcmd: fix error exit of privcmd_ioctl_dm_op() mm/hugetlb: fix hugetlb not supporting softdirty tracking Revert "md-raid: destroy the bitmap after destroying the thread" md: call __md_stop_writes in md_stop arm64: Fix match_list for erratum 1286807 on Arm Cortex-A76 Documentation/ABI: Mention retbleed vulnerability info file for sysfs blk-mq: fix io hung due to missing commit_rqs perf python: Fix build when PYTHON_CONFIG is user supplied perf/x86/intel/uncore: Fix broken read_counter() for SNB IMC PMU scsi: ufs: core: Enable link lost interrupt scsi: storvsc: Remove WQ_MEM_RECLAIM from storvsc_error_wq bpf: Don't use tnum_range on array range checking for poke descriptors Linux 5.10.140 Signed-off-by: Greg Kroah-Hartman <gregkh@google.com> Change-Id: I29f4b4af2a584dc2f2789aac613583603002464a |
||
David Hildenbrand
|
62af37c5cd |
mm/hugetlb: fix hugetlb not supporting softdirty tracking
commit f96f7a40874d7c746680c0b9f57cef2262ae551f upstream.
Patch series "mm/hugetlb: fix write-fault handling for shared mappings", v2.
I observed that hugetlb does not support/expect write-faults in shared
mappings that would have to map the R/O-mapped page writable -- and I
found two case where we could currently get such faults and would
erroneously map an anon page into a shared mapping.
Reproducers part of the patches.
I propose to backport both fixes to stable trees. The first fix needs a
small adjustment.
This patch (of 2):
Staring at hugetlb_wp(), one might wonder where all the logic for shared
mappings is when stumbling over a write-protected page in a shared
mapping. In fact, there is none, and so far we thought we could get away
with that because e.g., mprotect() should always do the right thing and
map all pages directly writable.
Looks like we were wrong:
--------------------------------------------------------------------------
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <fcntl.h>
#include <unistd.h>
#include <errno.h>
#include <sys/mman.h>
#define HUGETLB_SIZE (2 * 1024 * 1024u)
static void clear_softdirty(void)
{
int fd = open("/proc/self/clear_refs", O_WRONLY);
const char *ctrl = "4";
int ret;
if (fd < 0) {
fprintf(stderr, "open(clear_refs) failed\n");
exit(1);
}
ret = write(fd, ctrl, strlen(ctrl));
if (ret != strlen(ctrl)) {
fprintf(stderr, "write(clear_refs) failed\n");
exit(1);
}
close(fd);
}
int main(int argc, char **argv)
{
char *map;
int fd;
fd = open("/dev/hugepages/tmp", O_RDWR | O_CREAT);
if (!fd) {
fprintf(stderr, "open() failed\n");
return -errno;
}
if (ftruncate(fd, HUGETLB_SIZE)) {
fprintf(stderr, "ftruncate() failed\n");
return -errno;
}
map = mmap(NULL, HUGETLB_SIZE, PROT_READ|PROT_WRITE, MAP_SHARED, fd, 0);
if (map == MAP_FAILED) {
fprintf(stderr, "mmap() failed\n");
return -errno;
}
*map = 0;
if (mprotect(map, HUGETLB_SIZE, PROT_READ)) {
fprintf(stderr, "mmprotect() failed\n");
return -errno;
}
clear_softdirty();
if (mprotect(map, HUGETLB_SIZE, PROT_READ|PROT_WRITE)) {
fprintf(stderr, "mmprotect() failed\n");
return -errno;
}
*map = 0;
return 0;
}
--------------------------------------------------------------------------
Above test fails with SIGBUS when there is only a single free hugetlb page.
# echo 1 > /sys/kernel/mm/hugepages/hugepages-2048kB/nr_hugepages
# ./test
Bus error (core dumped)
And worse, with sufficient free hugetlb pages it will map an anonymous page
into a shared mapping, for example, messing up accounting during unmap
and breaking MAP_SHARED semantics:
# echo 2 > /sys/kernel/mm/hugepages/hugepages-2048kB/nr_hugepages
# ./test
# cat /proc/meminfo | grep HugePages_
HugePages_Total: 2
HugePages_Free: 1
HugePages_Rsvd: 18446744073709551615
HugePages_Surp: 0
Reason in this particular case is that vma_wants_writenotify() will
return "true", removing VM_SHARED in vma_set_page_prot() to map pages
write-protected. Let's teach vma_wants_writenotify() that hugetlb does not
support softdirty tracking.
Link: https://lkml.kernel.org/r/20220811103435.188481-1-david@redhat.com
Link: https://lkml.kernel.org/r/20220811103435.188481-2-david@redhat.com
Fixes:
|
||
|
Greg Kroah-Hartman
|
fbe6a13851 |
This is the 5.10.137 stable release
-----BEGIN PGP SIGNATURE----- iQIzBAABCAAdFiEEZH8oZUiU471FcZm+ONu9yGCSaT4FAmMCMDQACgkQONu9yGCS aT6TwRAAvj1dnV1nLVVNET3jcelTO65SVUUpQjiyGD1npZQaQdH5PoGR0VhMWk7y mLUIwJyp/rR7+OLD3BMFwxDimDWHviFGdbmm/8fsyDrARuOeRd/M1fvtHXjIRQdb nOvfo1yTQWp4xA1k/JwJZslkvRFDsofXWHCRf+ffEryTRanFAVc7u5aFIg92W0b/ JWYWEFe99C4TJ7LACpDoGaP9gE6WXsupaxSZBIu+Wxa+PfDmIeRRTkQn+j4Khn0h I6w+LkLd6ZP3l7sbe9KfS9ZGo1wWLgSng4zz742Z9IaFgxyj2ArS9tNsYCLkkhAM gLSXXkiPBAxUvAtDxR1tc0YROHc1bjAttSoxNXcaaacspSo/Vi0VAtp7t6boK0bI /8P3dh+Hq9u/Q1ClhZtVoFpp+GVj0fDbDd56qVcr2Cp6IokpqRJog1Jhgj0CVCoG iElr3n0+y7/IZfmE6/U1cK00SNcW86e2YduuIy4ifCawRT574zkRiSYZalpaO3qM z1lF9p+zUNq3v2q0wxXuBDLi/yPoJzbJgmCGScj4ryjjr6TOvR1udSVWkJ02dR4H s9km3lNLgoUPCYCLBMlZl7em4T49E09/+4YCrnj/Ezp+YdImf2+QzZyd/gG3ITl2 fW7lpbK1dx3d/19JFP6Xkj9PaIlMl9e8Ne04G+Dabv67uN+0U+g= =Z4rz -----END PGP SIGNATURE----- Merge 5.10.137 into android12-5.10-lts Changes in 5.10.137 Makefile: link with -z noexecstack --no-warn-rwx-segments x86: link vdso and boot with -z noexecstack --no-warn-rwx-segments Revert "pNFS: nfs3_set_ds_client should set NFS_CS_NOPING" scsi: Revert "scsi: qla2xxx: Fix disk failure to rediscover" ALSA: bcd2000: Fix a UAF bug on the error path of probing ALSA: hda/realtek: Add quirk for Clevo NV45PZ ALSA: hda/realtek: Add quirk for HP Spectre x360 15-eb0xxx wifi: mac80211_hwsim: fix race condition in pending packet wifi: mac80211_hwsim: add back erroneously removed cast wifi: mac80211_hwsim: use 32-bit skb cookie add barriers to buffer_uptodate and set_buffer_uptodate HID: wacom: Only report rotation for art pen HID: wacom: Don't register pad_input for touch switch KVM: nVMX: Snapshot pre-VM-Enter BNDCFGS for !nested_run_pending case KVM: nVMX: Snapshot pre-VM-Enter DEBUGCTL for !nested_run_pending case KVM: SVM: Don't BUG if userspace injects an interrupt with GIF=0 KVM: s390: pv: don't present the ecall interrupt twice KVM: nVMX: Let userspace set nVMX MSR to any _host_ supported value KVM: x86: Mark TSS busy during LTR emulation _after_ all fault checks KVM: x86: Set error code to segment selector on LLDT/LTR non-canonical #GP KVM: x86: Tag kvm_mmu_x86_module_init() with __init riscv: set default pm_power_off to NULL mm: Add kvrealloc() xfs: only set IOMAP_F_SHARED when providing a srcmap to a write xfs: fix I_DONTCACHE mm/mremap: hold the rmap lock in write mode when moving page table entries. ALSA: hda/conexant: Add quirk for LENOVO 20149 Notebook model ALSA: hda/cirrus - support for iMac 12,1 model ALSA: hda/realtek: Add quirk for another Asus K42JZ model ALSA: hda/realtek: Add a quirk for HP OMEN 15 (8786) mute LED tty: vt: initialize unicode screen buffer vfs: Check the truncate maximum size in inode_newsize_ok() fs: Add missing umask strip in vfs_tmpfile thermal: sysfs: Fix cooling_device_stats_setup() error code path fbcon: Fix boundary checks for fbcon=vc:n1-n2 parameters fbcon: Fix accelerated fbdev scrolling while logo is still shown usbnet: Fix linkwatch use-after-free on disconnect ovl: drop WARN_ON() dentry is NULL in ovl_encode_fh() parisc: Fix device names in /proc/iomem parisc: Check the return value of ioremap() in lba_driver_probe() parisc: io_pgetevents_time64() needs compat syscall in 32-bit compat mode drm/gem: Properly annotate WW context on drm_gem_lock_reservations() error drm/vc4: hdmi: Disable audio if dmas property is present but empty drm/nouveau: fix another off-by-one in nvbios_addr drm/nouveau: Don't pm_runtime_put_sync(), only pm_runtime_put_autosuspend() drm/nouveau/acpi: Don't print error when we get -EINPROGRESS from pm_runtime drm/amdgpu: Check BO's requested pinning domains against its preferred_domains mtd: rawnand: arasan: Update NAND bus clock instead of system clock iio: light: isl29028: Fix the warning in isl29028_remove() scsi: sg: Allow waiting for commands to complete on removed device scsi: qla2xxx: Fix incorrect display of max frame size scsi: qla2xxx: Zero undefined mailbox IN registers fuse: limit nsec serial: mvebu-uart: uart2 error bits clearing md-raid: destroy the bitmap after destroying the thread md-raid10: fix KASAN warning media: [PATCH] pci: atomisp_cmd: fix three missing checks on list iterator ia64, processor: fix -Wincompatible-pointer-types in ia64_get_irr() PCI: Add defines for normal and subtractive PCI bridges powerpc/fsl-pci: Fix Class Code of PCIe Root Port powerpc/ptdump: Fix display of RW pages on FSL_BOOK3E powerpc/powernv: Avoid crashing if rng is NULL MIPS: cpuinfo: Fix a warning for CONFIG_CPUMASK_OFFSTACK coresight: Clear the connection field properly usb: typec: ucsi: Acknowledge the GET_ERROR_STATUS command completion USB: HCD: Fix URB giveback issue in tasklet function ARM: dts: uniphier: Fix USB interrupts for PXs2 SoC arm64: dts: uniphier: Fix USB interrupts for PXs3 SoC usb: dwc3: gadget: refactor dwc3_repare_one_trb usb: dwc3: gadget: fix high speed multiplier setting lockdep: Allow tuning tracing capacity constants. netfilter: nf_tables: do not allow SET_ID to refer to another table netfilter: nf_tables: do not allow CHAIN_ID to refer to another table netfilter: nf_tables: do not allow RULE_ID to refer to another chain netfilter: nf_tables: fix null deref due to zeroed list head epoll: autoremove wakers even more aggressively x86: Handle idle=nomwait cmdline properly for x86_idle arm64: Do not forget syscall when starting a new thread. arm64: fix oops in concurrently setting insn_emulation sysctls ext2: Add more validity checks for inode counts genirq: Don't return error on missing optional irq_request_resources() irqchip/mips-gic: Only register IPI domain when SMP is enabled genirq: GENERIC_IRQ_IPI depends on SMP irqchip/mips-gic: Check the return value of ioremap() in gic_of_init() wait: Fix __wait_event_hrtimeout for RT/DL tasks ARM: dts: imx6ul: add missing properties for sram ARM: dts: imx6ul: change operating-points to uint32-matrix ARM: dts: imx6ul: fix keypad compatible ARM: dts: imx6ul: fix csi node compatible ARM: dts: imx6ul: fix lcdif node compatible ARM: dts: imx6ul: fix qspi node compatible ARM: dts: BCM5301X: Add DT for Meraki MR26 spi: synquacer: Add missing clk_disable_unprepare() ARM: OMAP2+: display: Fix refcount leak bug ACPI: EC: Remove duplicate ThinkPad X1 Carbon 6th entry from DMI quirks ACPI: EC: Drop the EC_FLAGS_IGNORE_DSDT_GPE quirk ACPI: PM: save NVS memory for Lenovo G40-45 ACPI: LPSS: Fix missing check in register_device_clock() arm64: dts: qcom: ipq8074: fix NAND node name arm64: dts: allwinner: a64: orangepi-win: Fix LED node name ARM: shmobile: rcar-gen2: Increase refcount for new reference firmware: tegra: Fix error check return value of debugfs_create_file() PM: hibernate: defer device probing when resuming from hibernation selinux: Add boundary check in put_entry() powerpc/64s: Disable stack variable initialisation for prom_init spi: spi-rspi: Fix PIO fallback on RZ platforms ARM: findbit: fix overflowing offset meson-mx-socinfo: Fix refcount leak in meson_mx_socinfo_init arm64: dts: renesas: beacon: Fix regulator node names ARM: bcm: Fix refcount leak in bcm_kona_smc_init ACPI: processor/idle: Annotate more functions to live in cpuidle section ARM: dts: imx7d-colibri-emmc: add cpu1 supply Input: atmel_mxt_ts - fix up inverted RESET handler soc: renesas: r8a779a0-sysc: Fix A2DP1 and A2CV[2357] PDR values soc: amlogic: Fix refcount leak in meson-secure-pwrc.c arm64: dts: renesas: Fix thermal-sensors on single-zone sensors x86/pmem: Fix platform-device leak in error path ARM: dts: ast2500-evb: fix board compatible ARM: dts: ast2600-evb: fix board compatible hexagon: select ARCH_WANT_LD_ORPHAN_WARN arm64: cpufeature: Allow different PMU versions in ID_DFR0_EL1 locking/lockdep: Fix lockdep_init_map_*() confusion soc: fsl: guts: machine variable might be unset block: fix infinite loop for invalid zone append ARM: dts: qcom: mdm9615: add missing PMIC GPIO reg ARM: OMAP2+: Fix refcount leak in omapdss_init_of ARM: OMAP2+: Fix refcount leak in omap3xxx_prm_late_init cpufreq: zynq: Fix refcount leak in zynq_get_revision regulator: qcom_smd: Fix pm8916_pldo range ACPI: APEI: Fix _EINJ vs EFI_MEMORY_SP soc: qcom: ocmem: Fix refcount leak in of_get_ocmem soc: qcom: aoss: Fix refcount leak in qmp_cooling_devices_register ARM: dts: qcom: pm8841: add required thermal-sensor-cells bus: hisi_lpc: fix missing platform_device_put() in hisi_lpc_acpi_probe() arm64: dts: mt7622: fix BPI-R64 WPS button arm64: tegra: Fix SDMMC1 CD on P2888 erofs: avoid consecutive detection for Highmem memory blk-mq: don't create hctx debugfs dir until q->debugfs_dir is created hwmon: (drivetemp) Add module alias block: remove the request_queue to argument request based tracepoints blktrace: Trace remapped requests correctly regulator: of: Fix refcount leak bug in of_get_regulation_constraints() soc: qcom: Make QCOM_RPMPD depend on PM arm64: dts: qcom: qcs404: Fix incorrect USB2 PHYs assignment drivers/perf: arm_spe: Fix consistency of SYS_PMSCR_EL1.CX nohz/full, sched/rt: Fix missed tick-reenabling bug in dequeue_task_rt() selftests/seccomp: Fix compile warning when CC=clang thermal/tools/tmon: Include pthread and time headers in tmon.h dm: return early from dm_pr_call() if DM device is suspended pwm: sifive: Don't check the return code of pwmchip_remove() pwm: sifive: Simplify offset calculation for PWMCMP registers pwm: sifive: Ensure the clk is enabled exactly once per running PWM pwm: sifive: Shut down hardware only after pwmchip_remove() completed pwm: lpc18xx-sct: Convert to devm_platform_ioremap_resource() drm/bridge: tc358767: Move (e)DP bridge endpoint parsing into dedicated function drm/bridge: tc358767: Make sure Refclk clock are enabled ath10k: do not enforce interrupt trigger type drm/st7735r: Fix module autoloading for Okaya RH128128T wifi: rtlwifi: fix error codes in rtl_debugfs_set_write_h2c() ath11k: fix netdev open race drm/mipi-dbi: align max_chunk to 2 in spi_transfer ath11k: Fix incorrect debug_mask mappings drm/radeon: fix potential buffer overflow in ni_set_mc_special_registers() drm/mediatek: Modify dsi funcs to atomic operations drm/mediatek: Separate poweron/poweroff from enable/disable and define new funcs drm/mediatek: Add pull-down MIPI operation in mtk_dsi_poweroff function i2c: npcm: Remove own slave addresses 2:10 i2c: npcm: Correct slave role behavior virtio-gpu: fix a missing check to avoid NULL dereference drm: adv7511: override i2c address of cec before accessing it crypto: sun8i-ss - do not allocate memory when handling hash requests crypto: sun8i-ss - fix error codes in allocate_flows() net: fix sk_wmem_schedule() and sk_rmem_schedule() errors i2c: Fix a potential use after free crypto: sun8i-ss - fix infinite loop in sun8i_ss_setup_ivs() media: tw686x: Register the irq at the end of probe ath9k: fix use-after-free in ath9k_hif_usb_rx_cb wifi: iwlegacy: 4965: fix potential off-by-one overflow in il4965_rs_fill_link_cmd() drm/radeon: fix incorrrect SPDX-License-Identifiers test_bpf: fix incorrect netdev features crypto: ccp - During shutdown, check SEV data pointer before using drm: bridge: adv7511: Add check for mipi_dsi_driver_register drm/mcde: Fix refcount leak in mcde_dsi_bind media: hdpvr: fix error value returns in hdpvr_read media: v4l2-mem2mem: prevent pollerr when last_buffer_dequeued is set media: tw686x: Fix memory leak in tw686x_video_init drm/vc4: plane: Remove subpixel positioning check drm/vc4: plane: Fix margin calculations for the right/bottom edges drm/vc4: dsi: Correct DSI divider calculations drm/vc4: dsi: Correct pixel order for DSI0 drm/vc4: drv: Remove the DSI pointer in vc4_drv drm/vc4: dsi: Use snprintf for the PHY clocks instead of an array drm/vc4: dsi: Introduce a variant structure drm/vc4: dsi: Register dsi0 as the correct vc4 encoder type drm/vc4: dsi: Fix dsi0 interrupt support drm/vc4: dsi: Add correct stop condition to vc4_dsi_encoder_disable iteration drm/vc4: hdmi: Remove firmware logic for MAI threshold setting drm/vc4: hdmi: Avoid full hdmi audio fifo writes drm/vc4: hdmi: Don't access the connector state in reset if kmalloc fails drm/vc4: hdmi: Limit the BCM2711 to the max without scrambling drm/vc4: hdmi: Fix timings for interlaced modes drm/vc4: hdmi: Correct HDMI timing registers for interlaced modes crypto: arm64/gcm - Select AEAD for GHASH_ARM64_CE selftests/xsk: Destroy BPF resources only when ctx refcount drops to 0 drm/rockchip: vop: Don't crash for invalid duplicate_state() drm/rockchip: Fix an error handling path rockchip_dp_probe() drm/mediatek: dpi: Remove output format of YUV drm/mediatek: dpi: Only enable dpi after the bridge is enabled drm: bridge: sii8620: fix possible off-by-one lib: bitmap: order includes alphabetically lib: bitmap: provide devm_bitmap_alloc() and devm_bitmap_zalloc() hinic: Use the bitmap API when applicable net: hinic: fix bug that ethtool get wrong stats net: hinic: avoid kernel hung in hinic_get_stats64() drm/msm/mdp5: Fix global state lock backoff crypto: hisilicon/sec - fixes some coding style crypto: hisilicon/sec - don't sleep when in softirq crypto: hisilicon - Kunpeng916 crypto driver don't sleep when in softirq media: platform: mtk-mdp: Fix mdp_ipi_comm structure alignment mt76: mt76x02u: fix possible memory leak in __mt76x02u_mcu_send_msg mediatek: mt76: mac80211: Fix missing of_node_put() in mt76_led_init() drm/exynos/exynos7_drm_decon: free resources when clk_set_parent() failed. tcp: make retransmitted SKB fit into the send window libbpf: Fix the name of a reused map selftests: timers: valid-adjtimex: build fix for newer toolchains selftests: timers: clocksource-switch: fix passing errors from child bpf: Fix subprog names in stack traces. fs: check FMODE_LSEEK to control internal pipe splicing wifi: wil6210: debugfs: fix info leak in wil_write_file_wmi() wifi: p54: Fix an error handling path in p54spi_probe() wifi: p54: add missing parentheses in p54_flush() selftests/bpf: fix a test for snprintf() overflow can: pch_can: do not report txerr and rxerr during bus-off can: rcar_can: do not report txerr and rxerr during bus-off can: sja1000: do not report txerr and rxerr during bus-off can: hi311x: do not report txerr and rxerr during bus-off can: sun4i_can: do not report txerr and rxerr during bus-off can: kvaser_usb_hydra: do not report txerr and rxerr during bus-off can: kvaser_usb_leaf: do not report txerr and rxerr during bus-off can: usb_8dev: do not report txerr and rxerr during bus-off can: error: specify the values of data[5..7] of CAN error frames can: pch_can: pch_can_error(): initialize errc before using it Bluetooth: hci_intel: Add check for platform_driver_register i2c: cadence: Support PEC for SMBus block read i2c: mux-gpmux: Add of_node_put() when breaking out of loop wifi: wil6210: debugfs: fix uninitialized variable use in `wil_write_file_wmi()` wifi: iwlwifi: mvm: fix double list_add at iwl_mvm_mac_wake_tx_queue wifi: libertas: Fix possible refcount leak in if_usb_probe() media: cedrus: hevc: Add check for invalid timestamp net/mlx5e: Remove WARN_ON when trying to offload an unsupported TLS cipher/version net/mlx5e: Fix the value of MLX5E_MAX_RQ_NUM_MTTS crypto: hisilicon/hpre - don't use GFP_KERNEL to alloc mem during softirq crypto: inside-secure - Add missing MODULE_DEVICE_TABLE for of crypto: hisilicon/sec - fix auth key size error inet: add READ_ONCE(sk->sk_bound_dev_if) in INET_MATCH() tcp: sk->sk_bound_dev_if once in inet_request_bound_dev_if() ipv6: add READ_ONCE(sk->sk_bound_dev_if) in INET6_MATCH() tcp: Fix data-races around sysctl_tcp_l3mdev_accept. net: allow unbound socket for packets in VRF when tcp_l3mdev_accept set iavf: Fix max_rate limiting netdevsim: Avoid allocation warnings triggered from user space net: rose: fix netdev reference changes net: ionic: fix error check for vlan flags in ionic_set_nic_features() dccp: put dccp_qpolicy_full() and dccp_qpolicy_push() in the same lock wireguard: ratelimiter: use hrtimer in selftest wireguard: allowedips: don't corrupt stack when detecting overflow clk: renesas: r9a06g032: Fix UART clkgrp bitsel mtd: maps: Fix refcount leak in of_flash_probe_versatile mtd: maps: Fix refcount leak in ap_flash_init mtd: rawnand: meson: Fix a potential double free issue PCI: tegra194: Fix PM error handling in tegra_pcie_config_ep() HID: cp2112: prevent a buffer overflow in cp2112_xfer() mtd: sm_ftl: Fix deadlock caused by cancel_work_sync in sm_release mtd: partitions: Fix refcount leak in parse_redboot_of mtd: st_spi_fsm: Add a clk_disable_unprepare() in .probe()'s error path fpga: altera-pr-ip: fix unsigned comparison with less than zero usb: host: Fix refcount leak in ehci_hcd_ppc_of_probe usb: ohci-nxp: Fix refcount leak in ohci_hcd_nxp_probe usb: gadget: tegra-xudc: Fix error check in tegra_xudc_powerdomain_init() usb: xhci: tegra: Fix error check netfilter: xtables: Bring SPDX identifier back iio: accel: bma400: Fix the scale min and max macro values platform/chrome: cros_ec: Always expose last resume result iio: accel: bma400: Reordering of header files clk: mediatek: reset: Fix written reset bit offset KVM: Don't set Accessed/Dirty bits for ZERO_PAGE mwifiex: Ignore BTCOEX events from the 88W8897 firmware mwifiex: fix sleep in atomic context bugs caused by dev_coredumpv dmaengine: dw-edma: Fix eDMA Rd/Wr-channels and DMA-direction semantics misc: rtsx: Fix an error handling path in rtsx_pci_probe() driver core: fix potential deadlock in __driver_attach clk: qcom: clk-krait: unlock spin after mux completion usb: host: xhci: use snprintf() in xhci_decode_trb() clk: qcom: ipq8074: fix NSS core PLL-s clk: qcom: ipq8074: SW workaround for UBI32 PLL lock clk: qcom: ipq8074: fix NSS port frequency tables clk: qcom: ipq8074: set BRANCH_HALT_DELAY flag for UBI clocks clk: qcom: camcc-sdm845: Fix topology around titan_top power domain PCI: dwc: Add unroll iATU space support to dw_pcie_disable_atu() PCI: dwc: Deallocate EPC memory on dw_pcie_ep_init() errors PCI: dwc: Always enable CDM check if "snps,enable-cdm-check" exists soundwire: bus_type: fix remove and shutdown support KVM: arm64: Don't return from void function dmaengine: sf-pdma: apply proper spinlock flags in sf_pdma_prep_dma_memcpy() dmaengine: sf-pdma: Add multithread support for a DMA channel PCI: endpoint: Don't stop controller when unbinding endpoint function intel_th: Fix a resource leak in an error handling path intel_th: msu-sink: Potential dereference of null pointer intel_th: msu: Fix vmalloced buffers staging: rtl8192u: Fix sleep in atomic context bug in dm_fsync_timer_callback mmc: sdhci-of-esdhc: Fix refcount leak in esdhc_signal_voltage_switch memstick/ms_block: Fix some incorrect memory allocation memstick/ms_block: Fix a memory leak mmc: sdhci-of-at91: fix set_uhs_signaling rewriting of MC1R mmc: block: Add single read for 4k sector cards KVM: s390: pv: leak the topmost page table when destroy fails PCI/portdrv: Don't disable AER reporting in get_port_device_capability() PCI: qcom: Set up rev 2.1.0 PARF_PHY before enabling clocks scsi: smartpqi: Fix DMA direction for RAID requests xtensa: iss/network: provide release() callback xtensa: iss: fix handling error cases in iss_net_configure() usb: gadget: udc: amd5536 depends on HAS_DMA usb: aspeed-vhub: Fix refcount leak bug in ast_vhub_init_desc() usb: dwc3: core: Deprecate GCTL.CORESOFTRESET usb: dwc3: core: Do not perform GCTL_CORE_SOFTRESET during bootup usb: dwc3: qcom: fix missing optional irq warnings eeprom: idt_89hpesx: uninitialized data in idt_dbgfs_csr_write() interconnect: imx: fix max_node_id um: random: Don't initialise hwrng struct with zero RDMA/rtrs: Define MIN_CHUNK_SIZE RDMA/rtrs: Avoid Wtautological-constant-out-of-range-compare RDMA/rtrs-srv: Fix modinfo output for stringify RDMA/qedr: Improve error logs for rdma_alloc_tid error return RDMA/qedr: Fix potential memory leak in __qedr_alloc_mr() RDMA/hns: Fix incorrect clearing of interrupt status register RDMA/siw: Fix duplicated reported IW_CM_EVENT_CONNECT_REPLY event RDMA/hfi1: fix potential memory leak in setup_base_ctxt() gpio: gpiolib-of: Fix refcount bugs in of_mm_gpiochip_add_data() HID: mcp2221: prevent a buffer overflow in mcp_smbus_write() mmc: cavium-octeon: Add of_node_put() when breaking out of loop mmc: cavium-thunderx: Add of_node_put() when breaking out of loop HID: alps: Declare U1_UNICORN_LEGACY support PCI: tegra194: Fix Root Port interrupt handling PCI: tegra194: Fix link up retry sequence USB: serial: fix tty-port initialized comments usb: cdns3: change place of 'priv_ep' assignment in cdns3_gadget_ep_dequeue(), cdns3_gadget_ep_enable() platform/olpc: Fix uninitialized data in debugfs write RDMA/srpt: Duplicate port name members RDMA/srpt: Introduce a reference count in struct srpt_device RDMA/srpt: Fix a use-after-free mm/mmap.c: fix missing call to vm_unacct_memory in mmap_region selftests: kvm: set rax before vmcall RDMA/mlx5: Add missing check for return value in get namespace flow RDMA/rxe: Fix error unwind in rxe_create_qp() null_blk: fix ida error handling in null_add_dev() nvme: use command_id instead of req->tag in trace_nvme_complete_rq() jbd2: fix outstanding credits assert in jbd2_journal_commit_transaction() ext4: recover csum seed of tmp_inode after migrating to extents jbd2: fix assertion 'jh->b_frozen_data == NULL' failure when journal aborted usb: cdns3: Don't use priv_dev uninitialized in cdns3_gadget_ep_enable() opp: Fix error check in dev_pm_opp_attach_genpd() ASoC: cros_ec_codec: Fix refcount leak in cros_ec_codec_platform_probe ASoC: samsung: Fix error handling in aries_audio_probe ASoC: mediatek: mt8173: Fix refcount leak in mt8173_rt5650_rt5676_dev_probe ASoC: mt6797-mt6351: Fix refcount leak in mt6797_mt6351_dev_probe ASoC: codecs: da7210: add check for i2c_add_driver ASoC: mediatek: mt8173-rt5650: Fix refcount leak in mt8173_rt5650_dev_probe serial: 8250: Export ICR access helpers for internal use serial: 8250_dw: Store LSR into lsr_saved_flags in dw8250_tx_wait_empty() ASoC: codecs: msm8916-wcd-digital: move gains from SX_TLV to S8_TLV ASoC: codecs: wcd9335: move gains from SX_TLV to S8_TLV rpmsg: mtk_rpmsg: Fix circular locking dependency remoteproc: k3-r5: Fix refcount leak in k3_r5_cluster_of_init selftests/livepatch: better synchronize test_klp_callbacks_busy profiling: fix shift too large makes kernel panic ASoC: samsung: h1940_uda1380: include proepr GPIO consumer header powerpc/perf: Optimize clearing the pending PMI and remove WARN_ON for PMI check in power_pmu_disable ASoC: samsung: change gpiod_speaker_power and rx1950_audio from global to static variables tty: n_gsm: Delete gsmtty open SABM frame when config requester tty: n_gsm: fix user open not possible at responder until initiator open tty: n_gsm: fix wrong queuing behavior in gsm_dlci_data_output() tty: n_gsm: fix non flow control frames during mux flow off tty: n_gsm: fix packet re-transmission without open control channel tty: n_gsm: fix race condition in gsmld_write() ASoC: qcom: Fix missing of_node_put() in asoc_qcom_lpass_cpu_platform_probe() remoteproc: qcom: wcnss: Fix handling of IRQs vfio: Remove extra put/gets around vfio_device->group vfio: Simplify the lifetime logic for vfio_device vfio: Split creation of a vfio_device into init and register ops vfio/mdev: Make to_mdev_device() into a static inline vfio/ccw: Do not change FSM state in subchannel event tty: n_gsm: fix wrong T1 retry count handling tty: n_gsm: fix DM command tty: n_gsm: fix missing corner cases in gsmld_poll() iommu/exynos: Handle failed IOMMU device registration properly rpmsg: qcom_smd: Fix refcount leak in qcom_smd_parse_edge kfifo: fix kfifo_to_user() return type lib/smp_processor_id: fix imbalanced instrumentation_end() call remoteproc: sysmon: Wait for SSCTL service to come up mfd: t7l66xb: Drop platform disable callback mfd: max77620: Fix refcount leak in max77620_initialise_fps iommu/arm-smmu: qcom_iommu: Add of_node_put() when breaking out of loop perf tools: Fix dso_id inode generation comparison s390/dump: fix old lowcore virtual vs physical address confusion s390/zcore: fix race when reading from hardware system area ASoC: fsl_easrc: use snd_pcm_format_t type for sample_format ASoC: qcom: q6dsp: Fix an off-by-one in q6adm_alloc_copp() fuse: Remove the control interface for virtio-fs ASoC: audio-graph-card: Add of_node_put() in fail path watchdog: armada_37xx_wdt: check the return value of devm_ioremap() in armada_37xx_wdt_probe() video: fbdev: amba-clcd: Fix refcount leak bugs video: fbdev: sis: fix typos in SiS_GetModeID() ASoC: mchp-spdifrx: disable end of block interrupt on failures powerpc/32: Do not allow selection of e5500 or e6500 CPUs on PPC32 powerpc/pci: Prefer PCI domain assignment via DT 'linux,pci-domain' and alias f2fs: don't set GC_FAILURE_PIN for background GC f2fs: write checkpoint during FG_GC f2fs: fix to remove F2FS_COMPR_FL and tag F2FS_NOCOMP_FL at the same time powerpc/spufs: Fix refcount leak in spufs_init_isolated_loader powerpc/xive: Fix refcount leak in xive_get_max_prio powerpc/cell/axon_msi: Fix refcount leak in setup_msi_msg_address perf symbol: Fail to read phdr workaround kprobes: Forbid probing on trampoline and BPF code areas powerpc/pci: Fix PHB numbering when using opal-phbid genelf: Use HAVE_LIBCRYPTO_SUPPORT, not the never defined HAVE_LIBCRYPTO scripts/faddr2line: Fix vmlinux detection on arm64 sched/deadline: Merge dl_task_can_attach() and dl_cpu_busy() sched, cpuset: Fix dl_cpu_busy() panic due to empty cs->cpus_allowed x86/numa: Use cpumask_available instead of hardcoded NULL check video: fbdev: arkfb: Fix a divide-by-zero bug in ark_set_pixclock() tools/thermal: Fix possible path truncations sched: Fix the check of nr_running at queue wakelist x86/entry: Build thunk_$(BITS) only if CONFIG_PREEMPTION=y video: fbdev: vt8623fb: Check the size of screen before memset_io() video: fbdev: arkfb: Check the size of screen before memset_io() video: fbdev: s3fb: Check the size of screen before memset_io() scsi: zfcp: Fix missing auto port scan and thus missing target ports scsi: qla2xxx: Fix discovery issues in FC-AL topology scsi: qla2xxx: Turn off multi-queue for 8G adapters scsi: qla2xxx: Fix erroneous mailbox timeout after PCI error injection scsi: qla2xxx: Fix losing FCP-2 targets on long port disable with I/Os scsi: qla2xxx: Fix losing FCP-2 targets during port perturbation tests x86/bugs: Enable STIBP for IBPB mitigated RETBleed ftrace/x86: Add back ftrace_expected assignment x86/olpc: fix 'logical not is only applied to the left hand side' posix-cpu-timers: Cleanup CPU timers before freeing them during exec Input: gscps2 - check return value of ioremap() in gscps2_probe() __follow_mount_rcu(): verify that mount_lock remains unchanged spmi: trace: fix stack-out-of-bound access in SPMI tracing functions drm/i915/dg1: Update DMC_DEBUG3 register drm/mediatek: Allow commands to be sent during video mode drm/mediatek: Keep dsi as LP00 before dcs cmds transfer HID: Ignore battery for Elan touchscreen on HP Spectre X360 15-df0xxx HID: hid-input: add Surface Go battery quirk drm/vc4: drv: Adopt the dma configuration from the HVS or V3D component mtd: rawnand: Add a helper to clarify the interface configuration mtd: rawnand: arasan: Check the proposed data interface is supported mtd: rawnand: Add NV-DDR timings mtd: rawnand: arasan: Fix a macro parameter mtd: rawnand: arasan: Support NV-DDR interface mtd: rawnand: arasan: Fix clock rate in NV-DDR usbnet: smsc95xx: Don't clear read-only PHY interrupt usbnet: smsc95xx: Avoid link settings race on interrupt reception firmware: arm_scpi: Ensure scpi_info is not assigned if the probe fails intel_th: pci: Add Meteor Lake-P support intel_th: pci: Add Raptor Lake-S PCH support intel_th: pci: Add Raptor Lake-S CPU support KVM: set_msr_mce: Permit guests to ignore single-bit ECC errors KVM: x86: Signal #GP, not -EPERM, on bad WRMSR(MCi_CTL/STATUS) iommu/vt-d: avoid invalid memory access via node_online(NUMA_NO_NODE) PCI/AER: Write AER Capability only when we control it PCI/ERR: Bind RCEC devices to the Root Port driver PCI/ERR: Rename reset_link() to reset_subordinates() PCI/ERR: Simplify by using pci_upstream_bridge() PCI/ERR: Simplify by computing pci_pcie_type() once PCI/ERR: Use "bridge" for clarity in pcie_do_recovery() PCI/ERR: Avoid negated conditional for clarity PCI/ERR: Add pci_walk_bridge() to pcie_do_recovery() PCI/ERR: Recover from RCEC AER errors PCI/AER: Iterate over error counters instead of error strings serial: 8250: Dissociate 4MHz Titan ports from Oxford ports serial: 8250: Correct the clock for OxSemi PCIe devices serial: 8250_pci: Refactor the loop in pci_ite887x_init() serial: 8250_pci: Replace dev_*() by pci_*() macros serial: 8250: Fold EndRun device support into OxSemi Tornado code dm writecache: set a default MAX_WRITEBACK_JOBS kexec, KEYS, s390: Make use of built-in and secondary keyring for signature verification dm thin: fix use-after-free crash in dm_sm_register_threshold_callback timekeeping: contribute wall clock to rng on time change um: Allow PM with suspend-to-idle btrfs: reject log replay if there is unsupported RO compat flag btrfs: reset block group chunk force if we have to wait ACPI: CPPC: Do not prevent CPPC from working in the future KVM: VMX: Drop guest CPUID check for VMXE in vmx_set_cr4() KVM: VMX: Drop explicit 'nested' check from vmx_set_cr4() KVM: SVM: Drop VMXE check from svm_set_cr4() KVM: x86: Move vendor CR4 validity check to dedicated kvm_x86_ops hook KVM: nVMX: Inject #UD if VMXON is attempted with incompatible CR0/CR4 KVM: x86/pmu: preserve IA32_PERF_CAPABILITIES across CPUID refresh KVM: x86/pmu: Use binary search to check filtered events KVM: x86/pmu: Use different raw event masks for AMD and Intel KVM: x86/pmu: Introduce the ctrl_mask value for fixed counter KVM: VMX: Mark all PERF_GLOBAL_(OVF)_CTRL bits reserved if there's no vPMU KVM: x86/pmu: Ignore pmu->global_ctrl check if vPMU doesn't support global_ctrl xen-blkback: fix persistent grants negotiation xen-blkback: Apply 'feature_persistent' parameter when connect xen-blkfront: Apply 'feature_persistent' parameter when connect KEYS: asymmetric: enforce SM2 signature use pkey algo tpm: eventlog: Fix section mismatch for DEBUG_SECTION_MISMATCH tracing: Use a struct alignof to determine trace event field alignment ext4: check if directory block is within i_size ext4: add EXT4_INODE_HAS_XATTR_SPACE macro in xattr.h ext4: fix warning in ext4_iomap_begin as race between bmap and write ext4: make sure ext4_append() always allocates new block ext4: fix use-after-free in ext4_xattr_set_entry ext4: update s_overhead_clusters in the superblock during an on-line resize ext4: fix extent status tree race in writeback error recovery path ext4: correct max_inline_xattr_value_size computing ext4: correct the misjudgment in ext4_iget_extra_inode dm raid: fix address sanitizer warning in raid_resume dm raid: fix address sanitizer warning in raid_status net_sched: cls_route: remove from list when handle is 0 KVM: Add infrastructure and macro to mark VM as bugged KVM: x86: Check lapic_in_kernel() before attempting to set a SynIC irq KVM: x86: Avoid theoretical NULL pointer dereference in kvm_irq_delivery_to_apic_fast() mac80211: fix a memory leak where sta_info is not freed tcp: fix over estimation in sk_forced_mem_schedule() Revert "mwifiex: fix sleep in atomic context bugs caused by dev_coredumpv" drm/bridge: tc358767: Fix (e)DP bridge endpoint parsing in dedicated function drm/vc4: change vc4_dma_range_matches from a global to static Revert "net: usb: ax88179_178a needs FLAG_SEND_ZLP" Bluetooth: L2CAP: Fix l2cap_global_chan_by_psm regression mtd: rawnand: arasan: Prevent an unsupported configuration kvm: x86/pmu: Fix the compare function used by the pmu event filter tee: add overflow check in register_shm_helper() net/9p: Initialize the iounit field during fid creation net_sched: cls_route: disallow handle of 0 sched/fair: Fix fault in reweight_entity btrfs: only write the sectors in the vertical stripe which has data stripes btrfs: raid56: don't trust any cached sector in __raid56_parity_recover() Linux 5.10.137 Signed-off-by: Greg Kroah-Hartman <gregkh@google.com> Change-Id: I5775ddfad6460c5a737b1ad3f8e0b8f798338786 |
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Miaohe Lin
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4ffa6cecb5 |
mm/mmap.c: fix missing call to vm_unacct_memory in mmap_region
[ Upstream commit 7f82f922319ede486540e8746769865b9508d2c2 ] Since the beginning, charged is set to 0 to avoid calling vm_unacct_memory twice because vm_unacct_memory will be called by above unmap_region. But since commit |
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Greg Kroah-Hartman
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ca9b002a16 |
This is the 5.10.113 stable release
-----BEGIN PGP SIGNATURE----- iQIzBAABCAAdFiEEZH8oZUiU471FcZm+ONu9yGCSaT4FAmJpLt4ACgkQONu9yGCS aT5Wjg//dzSnqQoqXgMjLwSoMx15rfs/HjC8vgRUpdKctpzITabLc7ywdbcxuyQt it+tlQAFMIq2caH20M+u91zm1kre9f8ap5KnVEt+snkJK+mxWZ8u0uxgzGqRJV7w 1SX4lRCdbfT82T2qjlPFlLQ3bFlxy1nbYHJI1lOltl8JXgHEHuFDGH0oWr6QwdOu wAayeL5MmIpUqtLE7G5Jb9Yc1Hg+dCPHGjJNHbtR6URnVGNY664Moz/ij0qWA8RE Gaxxud677xEVoc3OVRS3r9CzEmhZGBeI0xwc9Gc8vGWaVkJGlS2/p/+M8mk75yKu gUpGZE2DNZ+8G0rs/9hs74nV01KpcOCJokLTqka+0MqKHalNVibkw8RPLThn30Ct JyK43veFQigd3WJULwvOaoM4YBzCishYQc2jvyftZRqb5rxRfTk62UoQoqNgmhyr 1MDUS8w741jF0qdH/v8Wgv7H64d4iilZV6VqVtWiyowPphHbd76qGpRSe42Xg/gY gL/xfjS17Uwid5es+wzIP4J9D3yxwwh3KZjgfAuaOVnMVCn2RqEjZyqQJSCAc8sF kCPMbXjAN9/5sGwidGGDf7ML67MIcIF6928pel95RU3lmz7X5cEzN2FCeAZg28rn W2iiSeWEh6XD7Pzbd+TYYftG3M2kGN6qzaKM2wOGNc6cK/dDROs= =NhyD -----END PGP SIGNATURE----- Merge 5.10.113 into android12-5.10-lts Changes in 5.10.113 etherdevice: Adjust ether_addr* prototypes to silence -Wstringop-overead mm: page_alloc: fix building error on -Werror=array-compare tracing: Dump stacktrace trigger to the corresponding instance perf tools: Fix segfault accessing sample_id xyarray gfs2: assign rgrp glock before compute_bitstructs net/sched: cls_u32: fix netns refcount changes in u32_change() ALSA: usb-audio: Clear MIDI port active flag after draining ALSA: hda/realtek: Add quirk for Clevo NP70PNP dm: fix mempool NULL pointer race when completing IO ASoC: atmel: Remove system clock tree configuration for at91sam9g20ek ASoC: msm8916-wcd-digital: Check failure for devm_snd_soc_register_component ASoC: codecs: wcd934x: do not switch off SIDO Buck when codec is in use dmaengine: imx-sdma: Fix error checking in sdma_event_remap dmaengine: mediatek:Fix PM usage reference leak of mtk_uart_apdma_alloc_chan_resources spi: spi-mtk-nor: initialize spi controller after resume esp: limit skb_page_frag_refill use to a single page igc: Fix infinite loop in release_swfw_sync igc: Fix BUG: scheduling while atomic rxrpc: Restore removed timer deletion net/smc: Fix sock leak when release after smc_shutdown() net/packet: fix packet_sock xmit return value checking ip6_gre: Avoid updating tunnel->tun_hlen in __gre6_xmit() ip6_gre: Fix skb_under_panic in __gre6_xmit() net/sched: cls_u32: fix possible leak in u32_init_knode() l3mdev: l3mdev_master_upper_ifindex_by_index_rcu should be using netdev_master_upper_dev_get_rcu ipv6: make ip6_rt_gc_expire an atomic_t netlink: reset network and mac headers in netlink_dump() net: stmmac: Use readl_poll_timeout_atomic() in atomic state dmaengine: idxd: add RO check for wq max_batch_size write dmaengine: idxd: add RO check for wq max_transfer_size write selftests: mlxsw: vxlan_flooding: Prevent flooding of unwanted packets arm64/mm: Remove [PUD|PMD]_TABLE_BIT from [pud|pmd]_bad() arm64: mm: fix p?d_leaf() ARM: vexpress/spc: Avoid negative array index when !SMP reset: tegra-bpmp: Restore Handle errors in BPMP response platform/x86: samsung-laptop: Fix an unsigned comparison which can never be negative ALSA: usb-audio: Fix undefined behavior due to shift overflowing the constant arm64: dts: imx: Fix imx8*-var-som touchscreen property sizes vxlan: fix error return code in vxlan_fdb_append cifs: Check the IOCB_DIRECT flag, not O_DIRECT net: atlantic: Avoid out-of-bounds indexing mt76: Fix undefined behavior due to shift overflowing the constant brcmfmac: sdio: Fix undefined behavior due to shift overflowing the constant dpaa_eth: Fix missing of_node_put in dpaa_get_ts_info() drm/msm/mdp5: check the return of kzalloc() net: macb: Restart tx only if queue pointer is lagging scsi: qedi: Fix failed disconnect handling stat: fix inconsistency between struct stat and struct compat_stat nvme: add a quirk to disable namespace identifiers nvme-pci: disable namespace identifiers for Qemu controllers EDAC/synopsys: Read the error count from the correct register mm, hugetlb: allow for "high" userspace addresses oom_kill.c: futex: delay the OOM reaper to allow time for proper futex cleanup mm/mmu_notifier.c: fix race in mmu_interval_notifier_remove() ata: pata_marvell: Check the 'bmdma_addr' beforing reading dma: at_xdmac: fix a missing check on list iterator net: atlantic: invert deep par in pm functions, preventing null derefs xtensa: patch_text: Fixup last cpu should be master xtensa: fix a7 clobbering in coprocessor context load/store openvswitch: fix OOB access in reserve_sfa_size() gpio: Request interrupts after IRQ is initialized ASoC: soc-dapm: fix two incorrect uses of list iterator e1000e: Fix possible overflow in LTR decoding ARC: entry: fix syscall_trace_exit argument arm_pmu: Validate single/group leader events sched/pelt: Fix attach_entity_load_avg() corner case perf/core: Fix perf_mmap fail when CONFIG_PERF_USE_VMALLOC enabled drm/panel/raspberrypi-touchscreen: Avoid NULL deref if not initialised drm/panel/raspberrypi-touchscreen: Initialise the bridge in prepare KVM: PPC: Fix TCE handling for VFIO drm/vc4: Use pm_runtime_resume_and_get to fix pm_runtime_get_sync() usage powerpc/perf: Fix power9 event alternatives perf report: Set PERF_SAMPLE_DATA_SRC bit for Arm SPE event ext4: fix fallocate to use file_modified to update permissions consistently ext4: fix symlink file size not match to file content ext4: fix use-after-free in ext4_search_dir ext4: limit length to bitmap_maxbytes - blocksize in punch_hole ext4, doc: fix incorrect h_reserved size ext4: fix overhead calculation to account for the reserved gdt blocks ext4: force overhead calculation if the s_overhead_cluster makes no sense can: isotp: stop timeout monitoring when no first frame was sent jbd2: fix a potential race while discarding reserved buffers after an abort spi: atmel-quadspi: Fix the buswidth adjustment between spi-mem and controller staging: ion: Prevent incorrect reference counting behavour block/compat_ioctl: fix range check in BLKGETSIZE Revert "net: micrel: fix KS8851_MLL Kconfig" Linux 5.10.113 Signed-off-by: Greg Kroah-Hartman <gregkh@google.com> Change-Id: I4ed10699cbb32b89caf79b8b4a2a35b3d8824115 |
||
Christophe Leroy
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6b932920b9 |
mm, hugetlb: allow for "high" userspace addresses
commit 5f24d5a579d1eace79d505b148808a850b417d4c upstream. This is a fix for commit |
||
|
Greg Kroah-Hartman
|
95f4203fc9 |
This is the 5.10.110 stable release
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Merge 5.10.110 into android12-5.10-lts
Changes in 5.10.110
swiotlb: fix info leak with DMA_FROM_DEVICE
USB: serial: pl2303: add IBM device IDs
USB: serial: simple: add Nokia phone driver
hv: utils: add PTP_1588_CLOCK to Kconfig to fix build
netdevice: add the case if dev is NULL
HID: logitech-dj: add new lightspeed receiver id
xfrm: fix tunnel model fragmentation behavior
ARM: mstar: Select HAVE_ARM_ARCH_TIMER
virtio_console: break out of buf poll on remove
vdpa/mlx5: should verify CTRL_VQ feature exists for MQ
tools/virtio: fix virtio_test execution
ethernet: sun: Free the coherent when failing in probing
gpio: Revert regression in sysfs-gpio (gpiolib.c)
spi: Fix invalid sgs value
net:mcf8390: Use platform_get_irq() to get the interrupt
Revert "gpio: Revert regression in sysfs-gpio (gpiolib.c)"
spi: Fix erroneous sgs value with min_t()
Input: zinitix - do not report shadow fingers
af_key: add __GFP_ZERO flag for compose_sadb_supported in function pfkey_register
net: dsa: microchip: add spi_device_id tables
locking/lockdep: Avoid potential access of invalid memory in lock_class
iommu/iova: Improve 32-bit free space estimate
tpm: fix reference counting for struct tpm_chip
virtio-blk: Use blk_validate_block_size() to validate block size
USB: usb-storage: Fix use of bitfields for hardware data in ene_ub6250.c
xhci: fix garbage USBSTS being logged in some cases
xhci: fix runtime PM imbalance in USB2 resume
xhci: make xhci_handshake timeout for xhci_reset() adjustable
xhci: fix uninitialized string returned by xhci_decode_ctrl_ctx()
mei: me: add Alder Lake N device id.
mei: avoid iterator usage outside of list_for_each_entry
coresight: Fix TRCCONFIGR.QE sysfs interface
iio: afe: rescale: use s64 for temporary scale calculations
iio: inkern: apply consumer scale on IIO_VAL_INT cases
iio: inkern: apply consumer scale when no channel scale is available
iio: inkern: make a best effort on offset calculation
greybus: svc: fix an error handling bug in gb_svc_hello()
clk: uniphier: Fix fixed-rate initialization
ptrace: Check PTRACE_O_SUSPEND_SECCOMP permission on PTRACE_SEIZE
KEYS: fix length validation in keyctl_pkey_params_get_2()
Documentation: add link to stable release candidate tree
Documentation: update stable tree link
firmware: stratix10-svc: add missing callback parameter on RSU
HID: intel-ish-hid: Use dma_alloc_coherent for firmware update
SUNRPC: avoid race between mod_timer() and del_timer_sync()
NFSD: prevent underflow in nfssvc_decode_writeargs()
NFSD: prevent integer overflow on 32 bit systems
f2fs: fix to unlock page correctly in error path of is_alive()
f2fs: quota: fix loop condition at f2fs_quota_sync()
f2fs: fix to do sanity check on .cp_pack_total_block_count
remoteproc: Fix count check in rproc_coredump_write()
pinctrl: samsung: drop pin banks references on error paths
spi: mxic: Fix the transmit path
mtd: rawnand: protect access to rawnand devices while in suspend
can: ems_usb: ems_usb_start_xmit(): fix double dev_kfree_skb() in error path
jffs2: fix use-after-free in jffs2_clear_xattr_subsystem
jffs2: fix memory leak in jffs2_do_mount_fs
jffs2: fix memory leak in jffs2_scan_medium
mm/pages_alloc.c: don't create ZONE_MOVABLE beyond the end of a node
mm: invalidate hwpoison page cache page in fault path
mempolicy: mbind_range() set_policy() after vma_merge()
scsi: libsas: Fix sas_ata_qc_issue() handling of NCQ NON DATA commands
qed: display VF trust config
qed: validate and restrict untrusted VFs vlan promisc mode
riscv: Fix fill_callchain return value
riscv: Increase stack size under KASAN
Revert "Input: clear BTN_RIGHT/MIDDLE on buttonpads"
cifs: prevent bad output lengths in smb2_ioctl_query_info()
cifs: fix NULL ptr dereference in smb2_ioctl_query_info()
ALSA: cs4236: fix an incorrect NULL check on list iterator
ALSA: hda: Avoid unsol event during RPM suspending
ALSA: pcm: Fix potential AB/BA lock with buffer_mutex and mmap_lock
ALSA: hda/realtek: Fix audio regression on Mi Notebook Pro 2020
mm: madvise: skip unmapped vma holes passed to process_madvise
mm: madvise: return correct bytes advised with process_madvise
Revert "mm: madvise: skip unmapped vma holes passed to process_madvise"
mm,hwpoison: unmap poisoned page before invalidation
mm/kmemleak: reset tag when compare object pointer
dm integrity: set journal entry unused when shrinking device
drbd: fix potential silent data corruption
can: isotp: sanitize CAN ID checks in isotp_bind()
powerpc/kvm: Fix kvm_use_magic_page
udp: call udp_encap_enable for v6 sockets when enabling encap
arm64: signal: nofpsimd: Do not allocate fp/simd context when not available
arm64: dts: ti: k3-am65: Fix gic-v3 compatible regs
arm64: dts: ti: k3-j721e: Fix gic-v3 compatible regs
arm64: dts: ti: k3-j7200: Fix gic-v3 compatible regs
ACPI: properties: Consistently return -ENOENT if there are no more references
coredump: Also dump first pages of non-executable ELF libraries
ext4: fix ext4_fc_stats trace point
ext4: fix fs corruption when tring to remove a non-empty directory with IO error
drivers: hamradio: 6pack: fix UAF bug caused by mod_timer()
mailbox: tegra-hsp: Flush whole channel
block: limit request dispatch loop duration
block: don't merge across cgroup boundaries if blkcg is enabled
drm/edid: check basic audio support on CEA extension block
video: fbdev: sm712fb: Fix crash in smtcfb_read()
video: fbdev: atari: Atari 2 bpp (STe) palette bugfix
ARM: dts: at91: sama5d2: Fix PMERRLOC resource size
ARM: dts: exynos: fix UART3 pins configuration in Exynos5250
ARM: dts: exynos: add missing HDMI supplies on SMDK5250
ARM: dts: exynos: add missing HDMI supplies on SMDK5420
mgag200 fix memmapsl configuration in GCTL6 register
carl9170: fix missing bit-wise or operator for tx_params
pstore: Don't use semaphores in always-atomic-context code
thermal: int340x: Increase bitmap size
lib/raid6/test: fix multiple definition linking error
exec: Force single empty string when argv is empty
crypto: rsa-pkcs1pad - only allow with rsa
crypto: rsa-pkcs1pad - correctly get hash from source scatterlist
crypto: rsa-pkcs1pad - restore signature length check
crypto: rsa-pkcs1pad - fix buffer overread in pkcs1pad_verify_complete()
bcache: fixup multiple threads crash
DEC: Limit PMAX memory probing to R3k systems
media: gpio-ir-tx: fix transmit with long spaces on Orange Pi PC
media: davinci: vpif: fix unbalanced runtime PM get
media: davinci: vpif: fix unbalanced runtime PM enable
xtensa: fix stop_machine_cpuslocked call in patch_text
xtensa: fix xtensa_wsr always writing 0
brcmfmac: firmware: Allocate space for default boardrev in nvram
brcmfmac: pcie: Release firmwares in the brcmf_pcie_setup error path
brcmfmac: pcie: Replace brcmf_pcie_copy_mem_todev with memcpy_toio
brcmfmac: pcie: Fix crashes due to early IRQs
drm/i915/opregion: check port number bounds for SWSCI display power state
drm/i915/gem: add missing boundary check in vm_access
PCI: pciehp: Clear cmd_busy bit in polling mode
PCI: xgene: Revert "PCI: xgene: Fix IB window setup"
regulator: qcom_smd: fix for_each_child.cocci warnings
selinux: check return value of sel_make_avc_files
hwrng: cavium - Check health status while reading random data
hwrng: cavium - HW_RANDOM_CAVIUM should depend on ARCH_THUNDER
crypto: sun8i-ss - really disable hash on A80
crypto: authenc - Fix sleep in atomic context in decrypt_tail
crypto: mxs-dcp - Fix scatterlist processing
thermal: int340x: Check for NULL after calling kmemdup()
spi: tegra114: Add missing IRQ check in tegra_spi_probe
arm64/mm: avoid fixmap race condition when create pud mapping
selftests/x86: Add validity check and allow field splitting
crypto: rockchip - ECB does not need IV
audit: log AUDIT_TIME_* records only from rules
EVM: fix the evm= __setup handler return value
crypto: ccree - don't attempt 0 len DMA mappings
spi: pxa2xx-pci: Balance reference count for PCI DMA device
hwmon: (pmbus) Add mutex to regulator ops
hwmon: (sch56xx-common) Replace WDOG_ACTIVE with WDOG_HW_RUNNING
nvme: cleanup __nvme_check_ids
block: don't delete queue kobject before its children
PM: hibernate: fix __setup handler error handling
PM: suspend: fix return value of __setup handler
spi: spi-zynqmp-gqspi: Handle error for dma_set_mask
hwrng: atmel - disable trng on failure path
crypto: sun8i-ss - call finalize with bh disabled
crypto: sun8i-ce - call finalize with bh disabled
crypto: amlogic - call finalize with bh disabled
crypto: vmx - add missing dependencies
clocksource/drivers/timer-ti-dm: Fix regression from errata i940 fix
clocksource/drivers/exynos_mct: Refactor resources allocation
clocksource/drivers/exynos_mct: Handle DTS with higher number of interrupts
clocksource/drivers/timer-microchip-pit64b: Use notrace
clocksource/drivers/timer-of: Check return value of of_iomap in timer_of_base_init()
ACPI: APEI: fix return value of __setup handlers
crypto: ccp - ccp_dmaengine_unregister release dma channels
crypto: ccree - Fix use after free in cc_cipher_exit()
vfio: platform: simplify device removal
amba: Make the remove callback return void
hwrng: nomadik - Change clk_disable to clk_disable_unprepare
hwmon: (pmbus) Add Vin unit off handling
clocksource: acpi_pm: fix return value of __setup handler
io_uring: terminate manual loop iterator loop correctly for non-vecs
watch_queue: Fix NULL dereference in error cleanup
watch_queue: Actually free the watch
f2fs: fix to enable ATGC correctly via gc_idle sysfs interface
sched/debug: Remove mpol_get/put and task_lock/unlock from sched_show_numa
sched/core: Export pelt_thermal_tp
rseq: Optimise rseq_get_rseq_cs() and clear_rseq_cs()
rseq: Remove broken uapi field layout on 32-bit little endian
perf/core: Fix address filter parser for multiple filters
perf/x86/intel/pt: Fix address filter config for 32-bit kernel
f2fs: fix missing free nid in f2fs_handle_failed_inode
nfsd: more robust allocation failure handling in nfsd_file_cache_init
f2fs: fix to avoid potential deadlock
btrfs: fix unexpected error path when reflinking an inline extent
f2fs: compress: remove unneeded read when rewrite whole cluster
f2fs: fix compressed file start atomic write may cause data corruption
selftests, x86: fix how check_cc.sh is being invoked
kunit: make kunit_test_timeout compatible with comment
media: staging: media: zoran: fix usage of vb2_dma_contig_set_max_seg_size
media: v4l2-mem2mem: Apply DST_QUEUE_OFF_BASE on MMAP buffers across ioctls
media: mtk-vcodec: potential dereference of null pointer
media: bttv: fix WARNING regression on tunerless devices
ASoC: xilinx: xlnx_formatter_pcm: Handle sysclk setting
ASoC: generic: simple-card-utils: remove useless assignment
media: coda: Fix missing put_device() call in coda_get_vdoa_data
media: meson: vdec: potential dereference of null pointer
media: hantro: Fix overfill bottom register field name
media: aspeed: Correct value for h-total-pixels
video: fbdev: matroxfb: set maxvram of vbG200eW to the same as vbG200 to avoid black screen
video: fbdev: controlfb: Fix set but not used warnings
video: fbdev: controlfb: Fix COMPILE_TEST build
video: fbdev: smscufx: Fix null-ptr-deref in ufx_usb_probe()
video: fbdev: atmel_lcdfb: fix an error code in atmel_lcdfb_probe()
video: fbdev: fbcvt.c: fix printing in fb_cvt_print_name()
firmware: qcom: scm: Remove reassignment to desc following initializer
ARM: dts: qcom: ipq4019: fix sleep clock
soc: qcom: rpmpd: Check for null return of devm_kcalloc
soc: qcom: ocmem: Fix missing put_device() call in of_get_ocmem
soc: qcom: aoss: remove spurious IRQF_ONESHOT flags
arm64: dts: qcom: sdm845: fix microphone bias properties and values
arm64: dts: qcom: sm8150: Correct TCS configuration for apps rsc
firmware: ti_sci: Fix compilation failure when CONFIG_TI_SCI_PROTOCOL is not defined
soc: ti: wkup_m3_ipc: Fix IRQ check in wkup_m3_ipc_probe
ARM: dts: sun8i: v3s: Move the csi1 block to follow address order
ARM: dts: imx: Add missing LVDS decoder on M53Menlo
media: video/hdmi: handle short reads of hdmi info frame.
media: em28xx: initialize refcount before kref_get
media: usb: go7007: s2250-board: fix leak in probe()
media: cedrus: H265: Fix neighbour info buffer size
media: cedrus: h264: Fix neighbour info buffer size
ASoC: codecs: wcd934x: fix return value of wcd934x_rx_hph_mode_put
uaccess: fix nios2 and microblaze get_user_8()
ASoC: rt5663: check the return value of devm_kzalloc() in rt5663_parse_dp()
ASoC: ti: davinci-i2s: Add check for clk_enable()
ALSA: spi: Add check for clk_enable()
arm64: dts: ns2: Fix spi-cpol and spi-cpha property
arm64: dts: broadcom: Fix sata nodename
printk: fix return value of printk.devkmsg __setup handler
ASoC: mxs-saif: Handle errors for clk_enable
ASoC: atmel_ssc_dai: Handle errors for clk_enable
ASoC: dwc-i2s: Handle errors for clk_enable
ASoC: soc-compress: prevent the potentially use of null pointer
memory: emif: Add check for setup_interrupts
memory: emif: check the pointer temp in get_device_details()
ALSA: firewire-lib: fix uninitialized flag for AV/C deferred transaction
arm64: dts: rockchip: Fix SDIO regulator supply properties on rk3399-firefly
m68k: coldfire/device.c: only build for MCF_EDMA when h/w macros are defined
media: stk1160: If start stream fails, return buffers with VB2_BUF_STATE_QUEUED
media: vidtv: Check for null return of vzalloc
ASoC: atmel: Add missing of_node_put() in at91sam9g20ek_audio_probe
ASoC: wm8350: Handle error for wm8350_register_irq
ASoC: fsi: Add check for clk_enable
video: fbdev: omapfb: Add missing of_node_put() in dvic_probe_of
media: saa7134: convert list_for_each to entry variant
media: saa7134: fix incorrect use to determine if list is empty
ivtv: fix incorrect device_caps for ivtvfb
ASoC: rockchip: i2s: Use devm_platform_get_and_ioremap_resource()
ASoC: rockchip: i2s: Fix missing clk_disable_unprepare() in rockchip_i2s_probe
ASoC: SOF: Add missing of_node_put() in imx8m_probe
ASoC: dmaengine: do not use a NULL prepare_slave_config() callback
ASoC: mxs: Fix error handling in mxs_sgtl5000_probe
ASoC: fsl_spdif: Disable TX clock when stop
ASoC: imx-es8328: Fix error return code in imx_es8328_probe()
ASoC: msm8916-wcd-digital: Fix missing clk_disable_unprepare() in msm8916_wcd_digital_probe
mmc: davinci_mmc: Handle error for clk_enable
ASoC: atmel: sam9x5_wm8731: use devm_snd_soc_register_card()
ASoC: atmel: Fix error handling in sam9x5_wm8731_driver_probe
ASoC: msm8916-wcd-analog: Fix error handling in pm8916_wcd_analog_spmi_probe
ASoC: codecs: wcd934x: Add missing of_node_put() in wcd934x_codec_parse_data
ARM: configs: multi_v5_defconfig: re-enable CONFIG_V4L_PLATFORM_DRIVERS
drm/meson: osd_afbcd: Add an exit callback to struct meson_afbcd_ops
drm/bridge: Fix free wrong object in sii8620_init_rcp_input_dev
drm/bridge: Add missing pm_runtime_disable() in __dw_mipi_dsi_probe
drm/bridge: nwl-dsi: Fix PM disable depth imbalance in nwl_dsi_probe
drm: bridge: adv7511: Fix ADV7535 HPD enablement
ath10k: fix memory overwrite of the WoWLAN wakeup packet pattern
drm/panfrost: Check for error num after setting mask
libbpf: Fix possible NULL pointer dereference when destroying skeleton
udmabuf: validate ubuf->pagecount
Bluetooth: hci_serdev: call init_rwsem() before p->open()
mtd: onenand: Check for error irq
mtd: rawnand: gpmi: fix controller timings setting
drm/edid: Don't clear formats if using deep color
ionic: fix type complaint in ionic_dev_cmd_clean()
drm/nouveau/acr: Fix undefined behavior in nvkm_acr_hsfw_load_bl()
drm/amd/display: Fix a NULL pointer dereference in amdgpu_dm_connector_add_common_modes()
drm/amd/pm: return -ENOTSUPP if there is no get_dpm_ultimate_freq function
ath9k_htc: fix uninit value bugs
RDMA/core: Set MR type in ib_reg_user_mr
KVM: PPC: Fix vmx/vsx mixup in mmio emulation
i40e: don't reserve excessive XDP_PACKET_HEADROOM on XSK Rx to skb
i40e: respect metadata on XSK Rx to skb
power: reset: gemini-poweroff: Fix IRQ check in gemini_poweroff_probe
ray_cs: Check ioremap return value
powerpc: dts: t1040rdb: fix ports names for Seville Ethernet switch
KVM: PPC: Book3S HV: Check return value of kvmppc_radix_init
powerpc/perf: Don't use perf_hw_context for trace IMC PMU
mt76: mt7915: use proper aid value in mt7915_mcu_wtbl_generic_tlv in sta mode
mt76: mt7915: use proper aid value in mt7915_mcu_sta_basic_tlv
mt76: mt7603: check sta_rates pointer in mt7603_sta_rate_tbl_update
mt76: mt7615: check sta_rates pointer in mt7615_sta_rate_tbl_update
net: dsa: mv88e6xxx: Enable port policy support on 6097
scripts/dtc: Call pkg-config POSIXly correct
livepatch: Fix build failure on 32 bits processors
PCI: aardvark: Fix reading PCI_EXP_RTSTA_PME bit on emulated bridge
drm/bridge: dw-hdmi: use safe format when first in bridge chain
power: supply: ab8500: Fix memory leak in ab8500_fg_sysfs_init
HID: i2c-hid: fix GET/SET_REPORT for unnumbered reports
iommu/ipmmu-vmsa: Check for error num after setting mask
drm/amd/pm: enable pm sysfs write for one VF mode
drm/amd/display: Add affected crtcs to atomic state for dsc mst unplug
IB/cma: Allow XRC INI QPs to set their local ACK timeout
dax: make sure inodes are flushed before destroy cache
iwlwifi: Fix -EIO error code that is never returned
iwlwifi: mvm: Fix an error code in iwl_mvm_up()
drm/msm/dp: populate connector of struct dp_panel
drm/msm/dpu: add DSPP blocks teardown
drm/msm/dpu: fix dp audio condition
dm crypt: fix get_key_size compiler warning if !CONFIG_KEYS
scsi: pm8001: Fix command initialization in pm80XX_send_read_log()
scsi: pm8001: Fix command initialization in pm8001_chip_ssp_tm_req()
scsi: pm8001: Fix payload initialization in pm80xx_set_thermal_config()
scsi: pm8001: Fix le32 values handling in pm80xx_set_sas_protocol_timer_config()
scsi: pm8001: Fix payload initialization in pm80xx_encrypt_update()
scsi: pm8001: Fix le32 values handling in pm80xx_chip_ssp_io_req()
scsi: pm8001: Fix le32 values handling in pm80xx_chip_sata_req()
scsi: pm8001: Fix NCQ NON DATA command task initialization
scsi: pm8001: Fix NCQ NON DATA command completion handling
scsi: pm8001: Fix abort all task initialization
RDMA/mlx5: Fix the flow of a miss in the allocation of a cache ODP MR
drm/amd/display: Remove vupdate_int_entry definition
TOMOYO: fix __setup handlers return values
ext2: correct max file size computing
drm/tegra: Fix reference leak in tegra_dsi_ganged_probe
power: supply: bq24190_charger: Fix bq24190_vbus_is_enabled() wrong false return
scsi: hisi_sas: Change permission of parameter prot_mask
drm/bridge: cdns-dsi: Make sure to to create proper aliases for dt
bpf, arm64: Call build_prologue() first in first JIT pass
bpf, arm64: Feed byte-offset into bpf line info
gpu: host1x: Fix a memory leak in 'host1x_remove()'
libbpf: Skip forward declaration when counting duplicated type names
powerpc/mm/numa: skip NUMA_NO_NODE onlining in parse_numa_properties()
powerpc/Makefile: Don't pass -mcpu=powerpc64 when building 32-bit
KVM: x86: Fix emulation in writing cr8
KVM: x86/emulator: Defer not-present segment check in __load_segment_descriptor()
hv_balloon: rate-limit "Unhandled message" warning
i2c: xiic: Make bus names unique
power: supply: wm8350-power: Handle error for wm8350_register_irq
power: supply: wm8350-power: Add missing free in free_charger_irq
IB/hfi1: Allow larger MTU without AIP
PCI: Reduce warnings on possible RW1C corruption
net: axienet: fix RX ring refill allocation failure handling
mips: DEC: honor CONFIG_MIPS_FP_SUPPORT=n
powerpc/sysdev: fix incorrect use to determine if list is empty
mfd: mc13xxx: Add check for mc13xxx_irq_request
libbpf: Unmap rings when umem deleted
selftests/bpf: Make test_lwt_ip_encap more stable and faster
platform/x86: huawei-wmi: check the return value of device_create_file()
powerpc: 8xx: fix a return value error in mpc8xx_pic_init
vxcan: enable local echo for sent CAN frames
ath10k: Fix error handling in ath10k_setup_msa_resources
mips: cdmm: Fix refcount leak in mips_cdmm_phys_base
MIPS: RB532: fix return value of __setup handler
MIPS: pgalloc: fix memory leak caused by pgd_free()
mtd: rawnand: atmel: fix refcount issue in atmel_nand_controller_init
RDMA/mlx5: Fix memory leak in error flow for subscribe event routine
bpf, sockmap: Fix memleak in tcp_bpf_sendmsg while sk msg is full
bpf, sockmap: Fix more uncharged while msg has more_data
bpf, sockmap: Fix double uncharge the mem of sk_msg
samples/bpf, xdpsock: Fix race when running for fix duration of time
USB: storage: ums-realtek: fix error code in rts51x_read_mem()
can: isotp: return -EADDRNOTAVAIL when reading from unbound socket
can: isotp: support MSG_TRUNC flag when reading from socket
bareudp: use ipv6_mod_enabled to check if IPv6 enabled
selftests/bpf: Fix error reporting from sock_fields programs
Bluetooth: call hci_le_conn_failed with hdev lock in hci_le_conn_failed
Bluetooth: btmtksdio: Fix kernel oops in btmtksdio_interrupt
ipv4: Fix route lookups when handling ICMP redirects and PMTU updates
af_netlink: Fix shift out of bounds in group mask calculation
i2c: meson: Fix wrong speed use from probe
i2c: mux: demux-pinctrl: do not deactivate a master that is not active
selftests/bpf/test_lirc_mode2.sh: Exit with proper code
PCI: Avoid broken MSI on SB600 USB devices
net: bcmgenet: Use stronger register read/writes to assure ordering
tcp: ensure PMTU updates are processed during fastopen
openvswitch: always update flow key after nat
tipc: fix the timer expires after interval 100ms
mfd: asic3: Add missing iounmap() on error asic3_mfd_probe
mxser: fix xmit_buf leak in activate when LSR == 0xff
pwm: lpc18xx-sct: Initialize driver data and hardware before pwmchip_add()
fsi: aspeed: convert to devm_platform_ioremap_resource
fsi: Aspeed: Fix a potential double free
misc: alcor_pci: Fix an error handling path
cpufreq: qcom-cpufreq-nvmem: fix reading of PVS Valid fuse
soundwire: intel: fix wrong register name in intel_shim_wake
clk: qcom: ipq8074: fix PCI-E clock oops
iio: mma8452: Fix probe failing when an i2c_device_id is used
staging:iio:adc:ad7280a: Fix handing of device address bit reversing.
pinctrl: renesas: r8a77470: Reduce size for narrow VIN1 channel
pinctrl: renesas: checker: Fix miscalculation of number of states
clk: qcom: ipq8074: Use floor ops for SDCC1 clock
phy: dphy: Correct lpx parameter and its derivatives(ta_{get,go,sure})
serial: 8250_mid: Balance reference count for PCI DMA device
serial: 8250_lpss: Balance reference count for PCI DMA device
NFS: Use of mapping_set_error() results in spurious errors
serial: 8250: Fix race condition in RTS-after-send handling
iio: adc: Add check for devm_request_threaded_irq
habanalabs: Add check for pci_enable_device
NFS: Return valid errors from nfs2/3_decode_dirent()
dma-debug: fix return value of __setup handlers
clk: imx7d: Remove audio_mclk_root_clk
clk: at91: sama7g5: fix parents of PDMCs' GCLK
clk: qcom: clk-rcg2: Update logic to calculate D value for RCG
clk: qcom: clk-rcg2: Update the frac table for pixel clock
dmaengine: hisi_dma: fix MSI allocate fail when reload hisi_dma
remoteproc: qcom: Fix missing of_node_put in adsp_alloc_memory_region
remoteproc: qcom_wcnss: Add missing of_node_put() in wcnss_alloc_memory_region
remoteproc: qcom_q6v5_mss: Fix some leaks in q6v5_alloc_memory_region
nvdimm/region: Fix default alignment for small regions
clk: actions: Terminate clk_div_table with sentinel element
clk: loongson1: Terminate clk_div_table with sentinel element
clk: clps711x: Terminate clk_div_table with sentinel element
clk: tegra: tegra124-emc: Fix missing put_device() call in emc_ensure_emc_driver
NFS: remove unneeded check in decode_devicenotify_args()
staging: mt7621-dts: fix LEDs and pinctrl on GB-PC1 devicetree
staging: mt7621-dts: fix formatting
staging: mt7621-dts: fix pinctrl properties for ethernet
staging: mt7621-dts: fix GB-PC2 devicetree
pinctrl: mediatek: Fix missing of_node_put() in mtk_pctrl_init
pinctrl: mediatek: paris: Fix PIN_CONFIG_BIAS_* readback
pinctrl: mediatek: paris: Fix "argument" argument type for mtk_pinconf_get()
pinctrl: mediatek: paris: Fix pingroup pin config state readback
pinctrl: mediatek: paris: Skip custom extra pin config dump for virtual GPIOs
pinctrl: nomadik: Add missing of_node_put() in nmk_pinctrl_probe
pinctrl/rockchip: Add missing of_node_put() in rockchip_pinctrl_probe
tty: hvc: fix return value of __setup handler
kgdboc: fix return value of __setup handler
serial: 8250: fix XOFF/XON sending when DMA is used
kgdbts: fix return value of __setup handler
firmware: google: Properly state IOMEM dependency
driver core: dd: fix return value of __setup handler
jfs: fix divide error in dbNextAG
netfilter: nf_conntrack_tcp: preserve liberal flag in tcp options
NFSv4.1: don't retry BIND_CONN_TO_SESSION on session error
kdb: Fix the putarea helper function
clk: qcom: gcc-msm8994: Fix gpll4 width
clk: Initialize orphan req_rate
xen: fix is_xen_pmu()
net: enetc: report software timestamping via SO_TIMESTAMPING
net: hns3: fix bug when PF set the duplicate MAC address for VFs
net: phy: broadcom: Fix brcm_fet_config_init()
selftests: test_vxlan_under_vrf: Fix broken test case
qlcnic: dcb: default to returning -EOPNOTSUPP
net/x25: Fix null-ptr-deref caused by x25_disconnect
NFSv4/pNFS: Fix another issue with a list iterator pointing to the head
net: dsa: bcm_sf2_cfp: fix an incorrect NULL check on list iterator
fs: fd tables have to be multiples of BITS_PER_LONG
lib/test: use after free in register_test_dev_kmod()
fs: fix fd table size alignment properly
LSM: general protection fault in legacy_parse_param
regulator: rpi-panel: Handle I2C errors/timing to the Atmel
gcc-plugins/stackleak: Exactly match strings instead of prefixes
pinctrl: npcm: Fix broken references to chip->parent_device
block, bfq: don't move oom_bfqq
selinux: use correct type for context length
selinux: allow FIOCLEX and FIONCLEX with policy capability
loop: use sysfs_emit() in the sysfs xxx show()
Fix incorrect type in assignment of ipv6 port for audit
irqchip/qcom-pdc: Fix broken locking
irqchip/nvic: Release nvic_base upon failure
fs/binfmt_elf: Fix AT_PHDR for unusual ELF files
bfq: fix use-after-free in bfq_dispatch_request
ACPICA: Avoid walking the ACPI Namespace if it is not there
lib/raid6/test/Makefile: Use $(pound) instead of \# for Make 4.3
Revert "Revert "block, bfq: honor already-setup queue merges""
ACPI/APEI: Limit printable size of BERT table data
PM: core: keep irq flags in device_pm_check_callbacks()
parisc: Fix handling off probe non-access faults
nvme-tcp: lockdep: annotate in-kernel sockets
spi: tegra20: Use of_device_get_match_data()
locking/lockdep: Iterate lock_classes directly when reading lockdep files
ext4: correct cluster len and clusters changed accounting in ext4_mb_mark_bb
ext4: fix ext4_mb_mark_bb() with flex_bg with fast_commit
ext4: don't BUG if someone dirty pages without asking ext4 first
f2fs: fix to do sanity check on curseg->alloc_type
NFSD: Fix nfsd_breaker_owns_lease() return values
f2fs: compress: fix to print raw data size in error path of lz4 decompression
ntfs: add sanity check on allocation size
media: staging: media: zoran: move videodev alloc
media: staging: media: zoran: calculate the right buffer number for zoran_reap_stat_com
media: staging: media: zoran: fix various V4L2 compliance errors
media: ir_toy: free before error exiting
video: fbdev: nvidiafb: Use strscpy() to prevent buffer overflow
video: fbdev: w100fb: Reset global state
video: fbdev: cirrusfb: check pixclock to avoid divide by zero
video: fbdev: omapfb: acx565akm: replace snprintf with sysfs_emit
ARM: dts: qcom: fix gic_irq_domain_translate warnings for msm8960
ARM: dts: bcm2837: Add the missing L1/L2 cache information
ASoC: madera: Add dependencies on MFD
media: atomisp_gmin_platform: Add DMI quirk to not turn AXP ELDO2 regulator off on some boards
media: atomisp: fix dummy_ptr check to avoid duplicate active_bo
ARM: ftrace: avoid redundant loads or clobbering IP
ARM: dts: imx7: Use audio_mclk_post_div instead audio_mclk_root_clk
arm64: defconfig: build imx-sdma as a module
video: fbdev: omapfb: panel-dsi-cm: Use sysfs_emit() instead of snprintf()
video: fbdev: omapfb: panel-tpo-td043mtea1: Use sysfs_emit() instead of snprintf()
video: fbdev: udlfb: replace snprintf in show functions with sysfs_emit
ARM: dts: bcm2711: Add the missing L1/L2 cache information
ASoC: soc-core: skip zero num_dai component in searching dai name
media: cx88-mpeg: clear interrupt status register before streaming video
uaccess: fix type mismatch warnings from access_ok()
lib/test_lockup: fix kernel pointer check for separate address spaces
ARM: tegra: tamonten: Fix I2C3 pad setting
ARM: mmp: Fix failure to remove sram device
video: fbdev: sm712fb: Fix crash in smtcfb_write()
media: Revert "media: em28xx: add missing em28xx_close_extension"
media: hdpvr: initialize dev->worker at hdpvr_register_videodev
mmc: host: Return an error when ->enable_sdio_irq() ops is missing
media: atomisp: fix bad usage at error handling logic
ALSA: hda/realtek: Add alc256-samsung-headphone fixup
KVM: x86/mmu: Check for present SPTE when clearing dirty bit in TDP MMU
powerpc/kasan: Fix early region not updated correctly
powerpc/lib/sstep: Fix 'sthcx' instruction
powerpc/lib/sstep: Fix build errors with newer binutils
powerpc: Fix build errors with newer binutils
scsi: qla2xxx: Fix stuck session in gpdb
scsi: qla2xxx: Fix scheduling while atomic
scsi: qla2xxx: Fix wrong FDMI data for 64G adapter
scsi: qla2xxx: Fix warning for missing error code
scsi: qla2xxx: Fix device reconnect in loop topology
scsi: qla2xxx: Add devids and conditionals for 28xx
scsi: qla2xxx: Check for firmware dump already collected
scsi: qla2xxx: Suppress a kernel complaint in qla_create_qpair()
scsi: qla2xxx: Fix disk failure to rediscover
scsi: qla2xxx: Fix incorrect reporting of task management failure
scsi: qla2xxx: Fix hang due to session stuck
scsi: qla2xxx: Fix missed DMA unmap for NVMe ls requests
scsi: qla2xxx: Fix N2N inconsistent PLOGI
scsi: qla2xxx: Reduce false trigger to login
scsi: qla2xxx: Use correct feature type field during RFF_ID processing
platform: chrome: Split trace include file
KVM: x86: Forbid VMM to set SYNIC/STIMER MSRs when SynIC wasn't activated
KVM: Prevent module exit until all VMs are freed
KVM: x86: fix sending PV IPI
KVM: SVM: fix panic on out-of-bounds guest IRQ
ASoC: SOF: Intel: Fix NULL ptr dereference when ENOMEM
ubifs: rename_whiteout: Fix double free for whiteout_ui->data
ubifs: Fix deadlock in concurrent rename whiteout and inode writeback
ubifs: Add missing iput if do_tmpfile() failed in rename whiteout
ubifs: setflags: Make dirtied_ino_d 8 bytes aligned
ubifs: Fix read out-of-bounds in ubifs_wbuf_write_nolock()
ubifs: Fix to add refcount once page is set private
ubifs: rename_whiteout: correct old_dir size computing
wireguard: queueing: use CFI-safe ptr_ring cleanup function
wireguard: socket: free skb in send6 when ipv6 is disabled
wireguard: socket: ignore v6 endpoints when ipv6 is disabled
XArray: Fix xas_create_range() when multi-order entry present
can: mcba_usb: mcba_usb_start_xmit(): fix double dev_kfree_skb in error path
can: mcba_usb: properly check endpoint type
can: mcp251xfd: mcp251xfd_register_get_dev_id(): fix return of error value
XArray: Update the LRU list in xas_split()
rtc: check if __rtc_read_time was successful
gfs2: Make sure FITRIM minlen is rounded up to fs block size
net: hns3: fix software vlan talbe of vlan 0 inconsistent with hardware
rxrpc: Fix call timer start racing with call destruction
mailbox: imx: fix wakeup failure from freeze mode
crypto: arm/aes-neonbs-cbc - Select generic cbc and aes
watch_queue: Free the page array when watch_queue is dismantled
pinctrl: pinconf-generic: Print arguments for bias-pull-*
watchdog: rti-wdt: Add missing pm_runtime_disable() in probe function
pinctrl: nuvoton: npcm7xx: Rename DS() macro to DSTR()
pinctrl: nuvoton: npcm7xx: Use %zu printk format for ARRAY_SIZE()
ASoC: mediatek: mt6358: add missing EXPORT_SYMBOLs
ubi: Fix race condition between ctrl_cdev_ioctl and ubi_cdev_ioctl
ARM: iop32x: offset IRQ numbers by 1
io_uring: fix memory leak of uid in files registration
riscv module: remove (NOLOAD)
ACPI: CPPC: Avoid out of bounds access when parsing _CPC data
platform/chrome: cros_ec_typec: Check for EC device
can: isotp: restore accidentally removed MSG_PEEK feature
proc: bootconfig: Add null pointer check
staging: mt7621-dts: fix pinctrl-0 items to be size-1 items on ethernet
ASoC: soc-compress: Change the check for codec_dai
batman-adv: Check ptr for NULL before reducing its refcnt
mm/mmap: return 1 from stack_guard_gap __setup() handler
ARM: 9187/1: JIVE: fix return value of __setup handler
mm/memcontrol: return 1 from cgroup.memory __setup() handler
mm/usercopy: return 1 from hardened_usercopy __setup() handler
bpf: Adjust BPF stack helper functions to accommodate skip > 0
bpf: Fix comment for helper bpf_current_task_under_cgroup()
dt-bindings: mtd: nand-controller: Fix the reg property description
dt-bindings: mtd: nand-controller: Fix a comment in the examples
dt-bindings: spi: mxic: The interrupt property is not mandatory
ubi: fastmap: Return error code if memory allocation fails in add_aeb()
ASoC: topology: Allow TLV control to be either read or write
ARM: dts: spear1340: Update serial node properties
ARM: dts: spear13xx: Update SPI dma properties
um: Fix uml_mconsole stop/go
docs: sysctl/kernel: add missing bit to panic_print
openvswitch: Fixed nd target mask field in the flow dump.
KVM: x86/mmu: do compare-and-exchange of gPTE via the user address
can: m_can: m_can_tx_handler(): fix use after free of skb
can: usb_8dev: usb_8dev_start_xmit(): fix double dev_kfree_skb() in error path
coredump: Snapshot the vmas in do_coredump
coredump: Remove the WARN_ON in dump_vma_snapshot
coredump/elf: Pass coredump_params into fill_note_info
coredump: Use the vma snapshot in fill_files_note
arm64: Do not defer reserve_crashkernel() for platforms with no DMA memory zones
PCI: xgene: Revert "PCI: xgene: Use inbound resources for setup"
Linux 5.10.110
Signed-off-by: Greg Kroah-Hartman <gregkh@google.com>
Change-Id: I12fbe227793dd40c0582588e1700cf88cafd0ac6
|
||
Randy Dunlap
|
d57feed3b1 |
mm/mmap: return 1 from stack_guard_gap __setup() handler
commit e6d094936988910ce6e8197570f2753898830081 upstream.
__setup() handlers should return 1 if the command line option is handled
and 0 if not (or maybe never return 0; it just pollutes init's
environment). This prevents:
Unknown kernel command line parameters \
"BOOT_IMAGE=/boot/bzImage-517rc5 stack_guard_gap=100", will be \
passed to user space.
Run /sbin/init as init process
with arguments:
/sbin/init
with environment:
HOME=/
TERM=linux
BOOT_IMAGE=/boot/bzImage-517rc5
stack_guard_gap=100
Return 1 to indicate that the boot option has been handled.
Note that there is no warning message if someone enters:
stack_guard_gap=anything_invalid
and 'val' and stack_guard_gap are both set to 0 due to the use of
simple_strtoul(). This could be improved by using kstrtoxxx() and
checking for an error.
It appears that having stack_guard_gap == 0 is valid (if unexpected) since
using "stack_guard_gap=0" on the kernel command line does that.
Link: https://lkml.kernel.org/r/20220222005817.11087-1-rdunlap@infradead.org
Link: lore.kernel.org/r/64644a2f-4a20-bab3-1e15-3b2cdd0defe3@omprussia.ru
Fixes:
|
||
Suren Baghdasaryan
|
2452622293 |
FROMLIST: mm: protect free_pgtables with mmap_lock write lock in exit_mmap
oom-reaper and process_mrelease system call should protect against races with exit_mmap which can destroy page tables while they walk the VMA tree. oom-reaper protects from that race by setting MMF_OOM_VICTIM and by relying on exit_mmap to set MMF_OOM_SKIP before taking and releasing mmap_write_lock. process_mrelease has to elevate mm->mm_users to prevent such race. Both oom-reaper and process_mrelease hold mmap_read_lock when walking the VMA tree. The locking rules and mechanisms could be simpler if exit_mmap takes mmap_write_lock while executing destructive operations such as free_pgtables. Change exit_mmap to hold the mmap_write_lock when calling free_pgtables. Operations like unmap_vmas() and unlock_range() are not destructive and could run under mmap_read_lock but for simplicity we take one mmap_write_lock during almost the entire operation. Note also that because oom-reaper checks VM_LOCKED flag, unlock_range() should not be allowed to race with it. In most cases this lock should be uncontended. Previously, Kirill reported ~4% regression caused by a similar change [1]. We reran the same test and although the individual results are quite noisy, the percentiles show lower regression with 1.6% being the worst case [2]. The change allows oom-reaper and process_mrelease to execute safely under mmap_read_lock without worries that exit_mmap might destroy page tables from under them. [1] https://lore.kernel.org/all/20170725141723.ivukwhddk2voyhuc@node.shutemov.name/ [2] https://lore.kernel.org/all/CAJuCfpGC9-c9P40x7oy=jy5SphMcd0o0G_6U1-+JAziGKG6dGA@mail.gmail.com/ Signed-off-by: Suren Baghdasaryan <surenb@google.com> Link: https://lore.kernel.org/all/20211124235906.14437-1-surenb@google.com/ Bug: 130172058 Bug: 189803002 Signed-off-by: Suren Baghdasaryan <surenb@google.com> Change-Id: Ic87272d09a0b68a1b0e968e8f1a1510fd6fc776a |
||
Jiewen Wang
|
878e0caa77 |
ANDROID: vendor_hooks: Add hook in mmap_region()
Add hook in mmap_region() to record the vma and address information of monitored processes. Bug: 198385827 Change-Id: I0bde29113b47ca7f4a9f5d42a54188e791ca3b7e Signed-off-by: Jiewen Wang <jiewen.wang@vivo.com> |
||
xieliujie
|
c0efdc4a5e |
ANDROID: android: export kernel function vm_unmapped_area
In our vendor driver, we need to call the following function: mm/mmap.c : unsigned long vm_unmapped_area(struct vm_unmapped_area_info *info); Bug: 191439466 Signed-off-by: xieliujie <xieliujie@oppo.com> Change-Id: I8eb0f8cc80ab7a0ebc9db3e3b217be94843da3ed |
||
|
xieliujie
|
0a24affb86 |
ANDROID: vendor_hooks: modify the function name
int the commit: https://android-review.googlesource.com/c/kernel/common/+/1699406/ When we build our vendor driver, report two errors: 1) Symbol too long "trace_android_vh_get_unmapped_area_from_anti_fragment_pool" 2) Symbol too long "trace_android_vh_get_unmapped_area_include_reserved_zone" So, I shorten the function names: android_vh_get_unmapped_area_from_anti_fragment_pool --> android_vh_get_from_fragment_pool android_vh_get_unmapped_area_include_reserved_zone --> android_vh_include_reserved_zone Bug: 191439466 Signed-off-by: xieliujie <xieliujie@oppo.com> Change-Id: Icee4faa24df4fe1fc29434cd205c4dea82b4fba5 |
||
|
Liujie Xie
|
8c944335a3 |
ANDROID: Fix access invalid addr because it is not initialized
The addr is not initialized, we may access a random value.
Fixes:
|
||
|
xieliujie
|
dc5241048f |
ANDROID: vendor_hooks: Add hooks for reducing virtual address fragmentation
When running 32-bit apps for a long time, virtual address becomes fragmented which can lead to allocation failures when a large virtually-contiguous area is requested. Add hooks to implement pools to cluster together small-sized virtual address mappings. Add hooks to implement reserved virtual address zone with usage restrictions controlled by vendor hooks. These hooks help in controlling virtual address space fragmentation. Bug: 187259935 Signed-off-by: xieliujie <xieliujie@oppo.com> Change-Id: I48c057041f9c7b8c5ab0af305f0cd87a039d0447 |
||
Vinayak Menon
|
c9201630e8 |
ANDROID: mm: use raw seqcount variants in vm_write_*
write_seqcount_begin expects to be called from a non-preemptible context to avoid preemption by a read section that can spin due to an odd value. But the readers of vm_sequence never retries and thus writers need not disable preemption. Use the non-lockdep variant as lockdep checks are now in-built to write_seqcount_begin. Bug: 161210518 Signed-off-by: Vinayak Menon <vinmenon@codeaurora.org> Change-Id: If4f0cddd7f0a79136495060d4acc1702abb46817 |
||
Laurent Dufour
|
6d8fc36d9e |
FROMLIST: mm: protect mm_rb tree with a rwlock
This change is inspired by the Peter's proposal patch [1] which was protecting the VMA using SRCU. Unfortunately, SRCU is not scaling well in that particular case, and it is introducing major performance degradation due to excessive scheduling operations. To allow access to the mm_rb tree without grabbing the mmap_sem, this patch is protecting it access using a rwlock. As the mm_rb tree is a O(log n) search it is safe to protect it using such a lock. The VMA cache is not protected by the new rwlock and it should not be used without holding the mmap_sem. To allow the picked VMA structure to be used once the rwlock is released, a use count is added to the VMA structure. When the VMA is allocated it is set to 1. Each time the VMA is picked with the rwlock held its use count is incremented. Each time the VMA is released it is decremented. When the use count hits zero, this means that the VMA is no more used and should be freed. This patch is preparing for 2 kind of VMA access : - as usual, under the control of the mmap_sem, - without holding the mmap_sem for the speculative page fault handler. Access done under the control the mmap_sem doesn't require to grab the rwlock to protect read access to the mm_rb tree, but access in write must be done under the protection of the rwlock too. This affects inserting and removing of elements in the RB tree. The patch is introducing 2 new functions: - vma_get() to find a VMA based on an address by holding the new rwlock. - vma_put() to release the VMA when its no more used. These services are designed to be used when access are made to the RB tree without holding the mmap_sem. When a VMA is removed from the RB tree, its vma->vm_rb field is cleared and we rely on the WMB done when releasing the rwlock to serialize the write with the RMB done in a later patch to check for the VMA's validity. When free_vma is called, the file associated with the VMA is closed immediately, but the policy and the file structure remained in used until the VMA's use count reach 0, which may happens later when exiting an in progress speculative page fault. [1] https://patchwork.kernel.org/patch/5108281/ Change-Id: I9ecc922b8efa4b28975cc6a8e9531284c24ac14e Cc: Peter Zijlstra (Intel) <peterz@infradead.org> Cc: Matthew Wilcox <willy@infradead.org> Signed-off-by: Laurent Dufour <ldufour@linux.vnet.ibm.com> Link: https://lore.kernel.org/lkml/1523975611-15978-18-git-send-email-ldufour@linux.vnet.ibm.com/ Bug: 161210518 Signed-off-by: Vinayak Menon <vinmenon@codeaurora.org> Signed-off-by: Charan Teja Reddy <charante@codeaurora.org> |
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Laurent Dufour
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0525756e6b |
FROMLIST: mm: protect mremap() against SPF hanlder
If a thread is remapping an area while another one is faulting on the destination area, the SPF handler may fetch the vma from the RB tree before the pte has been moved by the other thread. This means that the moved ptes will overwrite those create by the page fault handler leading to page leaked. CPU 1 CPU2 enter mremap() unmap the dest area copy_vma() Enter speculative page fault handler >> at this time the dest area is present in the RB tree fetch the vma matching dest area create a pte as the VMA matched Exit the SPF handler <data written in the new page> move_ptes() > it is assumed that the dest area is empty, > the move ptes overwrite the page mapped by the CPU2. To prevent that, when the VMA matching the dest area is extended or created by copy_vma(), it should be marked as non available to the SPF handler. The usual way to so is to rely on vm_write_begin()/end(). This is already in __vma_adjust() called by copy_vma() (through vma_merge()). But __vma_adjust() is calling vm_write_end() before returning which create a window for another thread. This patch adds a new parameter to vma_merge() which is passed down to vma_adjust(). The assumption is that copy_vma() is returning a vma which should be released by calling vm_raw_write_end() by the callee once the ptes have been moved. Change-Id: Icd338ad6e9b3c97b7334d3b8d30a8badfa2a4efa Signed-off-by: Laurent Dufour <ldufour@linux.vnet.ibm.com> Link: https://lore.kernel.org/lkml/1523975611-15978-11-git-send-email-ldufour@linux.vnet.ibm.com/ Bug: 161210518 Signed-off-by: Vinayak Menon <vinmenon@codeaurora.org> |
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Laurent Dufour
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9cfe16897f |
FROMLIST: mm: protect VMA modifications using VMA sequence count
The VMA sequence count has been introduced to allow fast detection of VMA modification when running a page fault handler without holding the mmap_sem. This patch provides protection against the VMA modification done in : - madvise() - mpol_rebind_policy() - vma_replace_policy() - change_prot_numa() - mlock(), munlock() - mprotect() - mmap_region() - collapse_huge_page() - userfaultd registering services In addition, VMA fields which will be read during the speculative fault path needs to be written using WRITE_ONCE to prevent write to be split and intermediate values to be pushed to other CPUs. Change-Id: Ic36046b7254e538b6baf7144c50ae577ee7f2074 Signed-off-by: Laurent Dufour <ldufour@linux.vnet.ibm.com> Link: https://lore.kernel.org/lkml/1523975611-15978-10-git-send-email-ldufour@linux.vnet.ibm.com/ Bug: 161210518 Signed-off-by: Vinayak Menon <vinmenon@codeaurora.org> Signed-off-by: Charan Teja Reddy <charante@codeaurora.org> |
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Peter Zijlstra
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2ce6b11ac3 |
FROMLIST: mm: VMA sequence count
Wrap the VMA modifications (vma_adjust/unmap_page_range) with sequence counts such that we can easily test if a VMA is changed. The unmap_page_range() one allows us to make assumptions about page-tables; when we find the seqcount hasn't changed we can assume page-tables are still valid. The flip side is that we cannot distinguish between a vma_adjust() and the unmap_page_range() -- where with the former we could have re-checked the vma bounds against the address. Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org> [Port to 4.12 kernel] [Build depends on CONFIG_SPECULATIVE_PAGE_FAULT] [Introduce vm_write_* inline function depending on CONFIG_SPECULATIVE_PAGE_FAULT] [Fix lock dependency between mapping->i_mmap_rwsem and vma->vm_sequence by using vm_raw_write* functions] [Fix a lock dependency warning in mmap_region() when entering the error path] [move sequence initialisation INIT_VMA()] Signed-off-by: Laurent Dufour <ldufour@linux.vnet.ibm.com> Link: https://lore.kernel.org/lkml/1523975611-15978-9-git-send-email-ldufour@linux.vnet.ibm.com/ Bug: 161210518 Change-Id: Ibc23ef3b9dbb80323c0f24cb06da34b4c3a8fa71 Signed-off-by: Vinayak Menon <vinmenon@codeaurora.org> Signed-off-by: Charan Teja Reddy <charante@codeaurora.org> |
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Greg Kroah-Hartman
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ca0c76873c |
Merge 5.10-rc7 into android-mainline
Linux 5.10-rc7 Signed-off-by: Greg Kroah-Hartman <gregkh@google.com> Change-Id: Ie61b3510311a825ee57bee12610e25bc1500b350 |
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Liu Zixian
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309d08d9b3 |
mm/mmap.c: fix mmap return value when vma is merged after call_mmap()
On success, mmap should return the begin address of newly mapped area,
but patch "mm: mmap: merge vma after call_mmap() if possible" set
vm_start of newly merged vma to return value addr. Users of mmap will
get wrong address if vma is merged after call_mmap(). We fix this by
moving the assignment to addr before merging vma.
We have a driver which changes vm_flags, and this bug is found by our
testcases.
Fixes:
|
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Greg Kroah-Hartman
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b3dd1b5952 |
Merge 922a763ae1 ("Merge tag 'zonefs-5.10-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/dlemoal/zonefs") into android-mainline
Steps on the way to 5.10-rc1 Signed-off-by: Greg Kroah-Hartman <gregkh@google.com> Change-Id: I520719ae5e0d992c3756e393cb299d77d650622e |
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Greg Kroah-Hartman
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05d2a661fd |
Merge 54a4c789ca ("Merge tag 'docs/v5.10-1' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media") into android-mainline
Steps on the way to 5.10-rc1 Resolves conflicts in: fs/userfaultfd.c Signed-off-by: Greg Kroah-Hartman <gregkh@google.com> Change-Id: Ie3fe3c818f1f6565cfd4fa551de72d2b72ef60af |
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Greg Kroah-Hartman
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75c90a8c3a |
Merge d5660df4a5 ("Merge branch 'akpm' (patches from Andrew)") into android-mainline
steps on the way to 5.10-rc1 Change-Id: Iddc84c25b6a9d71fa8542b927d6f69c364131c3d Signed-off-by: Greg Kroah-Hartman <gregkh@google.com> |
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Greg Kroah-Hartman
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c62fe038fe |
Merge 3ad11d7ac8 ("Merge tag 'block-5.10-2020-10-12' of git://git.kernel.dk/linux-block") into android-mainline
Steps on the way to 5.10-rc1 Resolves conflicts in: include/linux/blk-crypto.h Signed-off-by: Greg Kroah-Hartman <gregkh@google.com> Change-Id: I4012850c2e4b804d9e87e90b8e03a3b9ce21b5e7 |
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Greg Kroah-Hartman
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1c84293163 |
Merge 6734e20e39 ("Merge tag 'arm64-upstream' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux") into android-mainline
Tiny steps on the way to 5.10-rc1. Change-Id: I8ff6cb398ac1c0623bf2cefd29860616d05be107 Signed-off-by: Greg Kroah-Hartman <gregkh@google.com> |
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Liam R. Howlett
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fb8090b699 |
mm/mmap: add inline munmap_vma_range() for code readability
There are two locations that have a block of code for munmapping a vma range. Change those two locations to use a function and add meaningful comments about what happens to the arguments, which was unclear in the previous code. Signed-off-by: Liam R. Howlett <Liam.Howlett@Oracle.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Reviewed-by: Andrew Morton <akpm@linux-foundation.org> Link: http://lkml.kernel.org/r/20200818154707.2515169-2-Liam.Howlett@Oracle.com Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> |
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Liam R. Howlett
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3903b55a61 |
mm/mmap: add inline vma_next() for readability of mmap code
There are three places that the next vma is required which uses the same block of code. Replace the block with a function and add comments on what happens in the case where NULL is encountered. Signed-off-by: Liam R. Howlett <Liam.Howlett@Oracle.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Reviewed-by: Andrew Morton <akpm@linux-foundation.org> Link: http://lkml.kernel.org/r/20200818154707.2515169-1-Liam.Howlett@Oracle.com Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> |
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Jann Horn
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4d45e75a99 |
mm: remove the now-unnecessary mmget_still_valid() hack
The preceding patches have ensured that core dumping properly takes the mmap_lock. Thanks to that, we can now remove mmget_still_valid() and all its users. Signed-off-by: Jann Horn <jannh@google.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Acked-by: Linus Torvalds <torvalds@linux-foundation.org> Cc: Christoph Hellwig <hch@lst.de> Cc: Alexander Viro <viro@zeniv.linux.org.uk> Cc: "Eric W . Biederman" <ebiederm@xmission.com> Cc: Oleg Nesterov <oleg@redhat.com> Cc: Hugh Dickins <hughd@google.com> Link: http://lkml.kernel.org/r/20200827114932.3572699-8-jannh@google.com Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> |
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Miaohe Lin
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73eb7f9a4f |
mm: use helper function put_write_access()
In commit
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Liao Pingfang
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8332326e8e |
mm/mmap.c: replace do_brk with do_brk_flags in comment of insert_vm_struct()
Replace do_brk with do_brk_flags in comment of insert_vm_struct(), since
do_brk was removed in following commit.
Fixes:
|
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Miaohe Lin
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cb48841fbf |
mm/mmap.c: use helper function allow_write_access() in __remove_shared_vm_struct()
In commit
|
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Miaohe Lin
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cf508b5845 |
mm: use helper function mapping_allow_writable()
Commit
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Wei Yang
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0fc48a6e21 |
mm/mmap: check on file instead of the rb_root_cached of its address_space
In __vma_adjust(), we do the check on *root* to decide whether to adjust the address_space. It seems to be more meaningful to do the check on *file* itself. This means we are adjusting some data because it is a file backed vma. Since we seem to assume the address_space is valid if it is a file backed vma, let's just replace *root* with *file* here. Signed-off-by: Wei Yang <richard.weiyang@linux.alibaba.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Reviewed-by: Andrew Morton <akpm@linux-foundation.org> Link: https://lkml.kernel.org/r/20200913133631.37781-2-richard.weiyang@linux.alibaba.com Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> |
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Wei Yang
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808fbdbea0 |
mm/mmap: not necessary to check mapping separately
*root* with type of struct rb_root_cached is an element of *mapping* with type of struct address_space. This implies when we have a valid *root* it must be a part of valid *mapping*. So we can merge these two checks together to make the code more easy to read and to save some cpu cycles. Signed-off-by: Wei Yang <richard.weiyang@linux.alibaba.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Reviewed-by: Andrew Morton <akpm@linux-foundation.org> Link: https://lkml.kernel.org/r/20200913133631.37781-1-richard.weiyang@linux.alibaba.com Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> |
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Wei Yang
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f9d86a6057 |
mm/mmap: leave adjust_next as virtual address instead of page frame number
Instead of converting adjust_next between bytes and pages number, let's just store the virtual address into adjust_next. Also, this patch fixes one typo in the comment of vma_adjust_trans_huge(). [vbabka@suse.cz: changelog tweak] Signed-off-by: Wei Yang <richard.weiyang@linux.alibaba.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Acked-by: Vlastimil Babka <vbabka@suse.cz> Cc: Mike Kravetz <mike.kravetz@oracle.com> Link: http://lkml.kernel.org/r/20200828081031.11306-1-richard.weiyang@linux.alibaba.com Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> |
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Wei Yang
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4d1e72437b |
mm/mmap: leverage vma_rb_erase_ignore() to implement vma_rb_erase()
These two functions share the same logic except ignore a different vma. Let's reuse the code. Signed-off-by: Wei Yang <richard.weiyang@linux.alibaba.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Reviewed-by: Andrew Morton <akpm@linux-foundation.org> Link: https://lkml.kernel.org/r/20200809232057.23477-2-richard.weiyang@linux.alibaba.com Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> |
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Wei Yang
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7c61f917b1 |
mm/mmap: rename __vma_unlink_common() to __vma_unlink()
__vma_unlink_common() and __vma_unlink() are counterparts. Since there is no function named __vma_unlink(), let's rename __vma_unlink_common() to __vma_unlink() to make the code more self-explanatory and easy for audience to understand. Otherwise we may expect there are several variants of vma_unlink() and __vma_unlink_common() is used by them. Signed-off-by: Wei Yang <richard.weiyang@linux.alibaba.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Reviewed-by: Andrew Morton <akpm@linux-foundation.org> Link: https://lkml.kernel.org/r/20200809232057.23477-1-richard.weiyang@linux.alibaba.com Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> |
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Linus Torvalds
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3ad11d7ac8 |
block-5.10-2020-10-12
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Linus Torvalds
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6734e20e39 |
arm64 updates for 5.10
- Userspace support for the Memory Tagging Extension introduced by Armv8.5.
Kernel support (via KASAN) is likely to follow in 5.11.
- Selftests for MTE, Pointer Authentication and FPSIMD/SVE context
switching.
- Fix and subsequent rewrite of our Spectre mitigations, including the
addition of support for PR_SPEC_DISABLE_NOEXEC.
- Support for the Armv8.3 Pointer Authentication enhancements.
- Support for ASID pinning, which is required when sharing page-tables with
the SMMU.
- MM updates, including treating flush_tlb_fix_spurious_fault() as a no-op.
- Perf/PMU driver updates, including addition of the ARM CMN PMU driver and
also support to handle CPU PMU IRQs as NMIs.
- Allow prefetchable PCI BARs to be exposed to userspace using normal
non-cacheable mappings.
- Implementation of ARCH_STACKWALK for unwinding.
- Improve reporting of unexpected kernel traps due to BPF JIT failure.
- Improve robustness of user-visible HWCAP strings and their corresponding
numerical constants.
- Removal of TEXT_OFFSET.
- Removal of some unused functions, parameters and prototypes.
- Removal of MPIDR-based topology detection in favour of firmware
description.
- Cleanups to handling of SVE and FPSIMD register state in preparation
for potential future optimisation of handling across syscalls.
- Cleanups to the SDEI driver in preparation for support in KVM.
- Miscellaneous cleanups and refactoring work.
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Merge tag 'arm64-upstream' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux
Pull arm64 updates from Will Deacon:
"There's quite a lot of code here, but much of it is due to the
addition of a new PMU driver as well as some arm64-specific selftests
which is an area where we've traditionally been lagging a bit.
In terms of exciting features, this includes support for the Memory
Tagging Extension which narrowly missed 5.9, hopefully allowing
userspace to run with use-after-free detection in production on CPUs
that support it. Work is ongoing to integrate the feature with KASAN
for 5.11.
Another change that I'm excited about (assuming they get the hardware
right) is preparing the ASID allocator for sharing the CPU page-table
with the SMMU. Those changes will also come in via Joerg with the
IOMMU pull.
We do stray outside of our usual directories in a few places, mostly
due to core changes required by MTE. Although much of this has been
Acked, there were a couple of places where we unfortunately didn't get
any review feedback.
Other than that, we ran into a handful of minor conflicts in -next,
but nothing that should post any issues.
Summary:
- Userspace support for the Memory Tagging Extension introduced by
Armv8.5. Kernel support (via KASAN) is likely to follow in 5.11.
- Selftests for MTE, Pointer Authentication and FPSIMD/SVE context
switching.
- Fix and subsequent rewrite of our Spectre mitigations, including
the addition of support for PR_SPEC_DISABLE_NOEXEC.
- Support for the Armv8.3 Pointer Authentication enhancements.
- Support for ASID pinning, which is required when sharing
page-tables with the SMMU.
- MM updates, including treating flush_tlb_fix_spurious_fault() as a
no-op.
- Perf/PMU driver updates, including addition of the ARM CMN PMU
driver and also support to handle CPU PMU IRQs as NMIs.
- Allow prefetchable PCI BARs to be exposed to userspace using normal
non-cacheable mappings.
- Implementation of ARCH_STACKWALK for unwinding.
- Improve reporting of unexpected kernel traps due to BPF JIT
failure.
- Improve robustness of user-visible HWCAP strings and their
corresponding numerical constants.
- Removal of TEXT_OFFSET.
- Removal of some unused functions, parameters and prototypes.
- Removal of MPIDR-based topology detection in favour of firmware
description.
- Cleanups to handling of SVE and FPSIMD register state in
preparation for potential future optimisation of handling across
syscalls.
- Cleanups to the SDEI driver in preparation for support in KVM.
- Miscellaneous cleanups and refactoring work"
* tag 'arm64-upstream' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux: (148 commits)
Revert "arm64: initialize per-cpu offsets earlier"
arm64: random: Remove no longer needed prototypes
arm64: initialize per-cpu offsets earlier
kselftest/arm64: Check mte tagged user address in kernel
kselftest/arm64: Verify KSM page merge for MTE pages
kselftest/arm64: Verify all different mmap MTE options
kselftest/arm64: Check forked child mte memory accessibility
kselftest/arm64: Verify mte tag inclusion via prctl
kselftest/arm64: Add utilities and a test to validate mte memory
perf: arm-cmn: Fix conversion specifiers for node type
perf: arm-cmn: Fix unsigned comparison to less than zero
arm64: dbm: Invalidate local TLB when setting TCR_EL1.HD
arm64: mm: Make flush_tlb_fix_spurious_fault() a no-op
arm64: Add support for PR_SPEC_DISABLE_NOEXEC prctl() option
arm64: Pull in task_stack_page() to Spectre-v4 mitigation code
KVM: arm64: Allow patching EL2 vectors even with KASLR is not enabled
arm64: Get rid of arm64_ssbd_state
KVM: arm64: Convert ARCH_WORKAROUND_2 to arm64_get_spectre_v4_state()
KVM: arm64: Get rid of kvm_arm_have_ssbd()
KVM: arm64: Simplify handling of ARCH_WORKAROUND_2
...
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Greg Kroah-Hartman
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8de87f4d1c |
Linux 5.9
-----BEGIN PGP SIGNATURE----- iQFSBAABCAA8FiEEq68RxlopcLEwq+PEeb4+QwBBGIYFAl+DdgYeHHRvcnZhbGRz QGxpbnV4LWZvdW5kYXRpb24ub3JnAAoJEHm+PkMAQRiGB1sH/0B4REolPPxiQsPL P45+a2POUU0SQK8NjkcYskQmJ6DnPKkJSXeUU8rzuI2rty5bWEzEBxdUSh064ZaM DGxkWrdhYNaLJuceNLlanBk3vrM3KwGkaJFSKLgsEXkmH86gl33ptA8nlQVbfc+4 FK4hRZs2J6Y5YRsuzPO8nzzHWs1CThZEcwNPOeIZrAnv+/13zyP/piZ+R/2gKYwy RVrVrzSTkTGJXotn6J17Sa02+CGv5UqdxOZFv7jimYJOmFT7KnGngNrJbh8aYWk7 vPTRUvGozh6NyYxtRI9LKGZy1yQ05Cl7N927CnFYzD235/eT7zaRDZe1e1JaIE8Z r2yxGCM= =ZIYP -----END PGP SIGNATURE----- Merge 5.9 into android-mainline Linux 5.9 Change-Id: Ic4308a3e2a4015058efdac52bd51794b604c8435 Signed-off-by: Greg Kroah-Hartman <gregkh@google.com> |
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Miaohe Lin
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bc4fe4cdd6 |
mm: mmap: Fix general protection fault in unlink_file_vma()
The syzbot reported the below general protection fault: general protection fault, probably for non-canonical address 0xe00eeaee0000003b: 0000 [#1] PREEMPT SMP KASAN KASAN: maybe wild-memory-access in range [0x00777770000001d8-0x00777770000001df] CPU: 1 PID: 10488 Comm: syz-executor721 Not tainted 5.9.0-rc3-syzkaller #0 RIP: 0010:unlink_file_vma+0x57/0xb0 mm/mmap.c:164 Call Trace: free_pgtables+0x1b3/0x2f0 mm/memory.c:415 exit_mmap+0x2c0/0x530 mm/mmap.c:3184 __mmput+0x122/0x470 kernel/fork.c:1076 mmput+0x53/0x60 kernel/fork.c:1097 exit_mm kernel/exit.c:483 [inline] do_exit+0xa8b/0x29f0 kernel/exit.c:793 do_group_exit+0x125/0x310 kernel/exit.c:903 get_signal+0x428/0x1f00 kernel/signal.c:2757 arch_do_signal+0x82/0x2520 arch/x86/kernel/signal.c:811 exit_to_user_mode_loop kernel/entry/common.c:136 [inline] exit_to_user_mode_prepare+0x1ae/0x200 kernel/entry/common.c:167 syscall_exit_to_user_mode+0x7e/0x2e0 kernel/entry/common.c:242 entry_SYSCALL_64_after_hwframe+0x44/0xa9 It's because the ->mmap() callback can change vma->vm_file and fput the original file. But the commit |
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Christoph Hellwig
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f56753ac2a |
bdi: replace BDI_CAP_NO_{WRITEBACK,ACCT_DIRTY} with a single flag
Replace the two negative flags that are always used together with a single positive flag that indicates the writeback capability instead of two related non-capabilities. Also remove the pointless wrappers to just check the flag. Signed-off-by: Christoph Hellwig <hch@lst.de> Reviewed-by: Jan Kara <jack@suse.cz> Reviewed-by: Johannes Thumshirn <johannes.thumshirn@wdc.com> Signed-off-by: Jens Axboe <axboe@kernel.dk> |
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Catalin Marinas
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c462ac288f |
mm: Introduce arch_validate_flags()
Similarly to arch_validate_prot() called from do_mprotect_pkey(), an architecture may need to sanity-check the new vm_flags. Define a dummy function always returning true. In addition to do_mprotect_pkey(), also invoke it from mmap_region() prior to updating vma->vm_page_prot to allow the architecture code to veto potentially inconsistent vm_flags. Signed-off-by: Catalin Marinas <catalin.marinas@arm.com> Acked-by: Andrew Morton <akpm@linux-foundation.org> |
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Greg Kroah-Hartman
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7df9282d8e |
ANDROID: mm: fix up new call to vma_merge()
commit
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Greg Kroah-Hartman
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a17a563d16 |
Merge 449dc8c970 ("Merge tag 'for-v5.9' of git://git.kernel.org/pub/scm/linux/kernel/git/sre/linux-power-supply") into android-mainline
Merges along the way to 5.9-rc1 resolves conflicts in: Documentation/ABI/testing/sysfs-class-power drivers/power/supply/power_supply_sysfs.c fs/crypto/inline_crypt.c Signed-off-by: Greg Kroah-Hartman <gregkh@google.com> Change-Id: Ia087834f54fb4e5269d68c3c404747ceed240701 |
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Peter Collingbourne
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45e55300f1 |
mm: remove unnecessary wrapper function do_mmap_pgoff()
The current split between do_mmap() and do_mmap_pgoff() was introduced in
commit
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Miaohe Lin
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d70cec8983 |
mm: mmap: merge vma after call_mmap() if possible
The vm_flags may be changed after call_mmap() because drivers may set some flags for their own purpose. As a result, we failed to merge the adjacent vma due to the different vm_flags as userspace can't pass in the same one. Try to merge vma after call_mmap() to fix this issue. Signed-off-by: Hongxiang Lou <louhongxiang@huawei.com> Signed-off-by: Miaohe Lin <linmiaohe@huawei.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Reviewed-by: Andrew Morton <akpm@linux-foundation.org> Link: http://lkml.kernel.org/r/1594954065-23733-1-git-send-email-linmiaohe@huawei.com Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> |
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Zhen Lei
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7bba8f0ea4 |
mm/mmap: optimize a branch judgment in ksys_mmap_pgoff()
Look at the pseudo code below. It's very clear that, the judgement
"!is_file_hugepages(file)" at 3) is duplicated to the one at 1), we can
use "else if" to avoid it. And the assignment "retval = -EINVAL" at 2) is
only needed by the branch 3), because "retval" will be overwritten at 4).
No functional change, but it can reduce the code size. Maybe more clearer?
Before:
text data bss dec hex filename
28733 1590 1 30324 7674 mm/mmap.o
After:
text data bss dec hex filename
28701 1590 1 30292 7654 mm/mmap.o
====pseudo code====:
if (!(flags & MAP_ANONYMOUS)) {
...
1) if (is_file_hugepages(file))
len = ALIGN(len, huge_page_size(hstate_file(file)));
2) retval = -EINVAL;
3) if (unlikely(flags & MAP_HUGETLB && !is_file_hugepages(file)))
goto out_fput;
} else if (flags & MAP_HUGETLB) {
...
}
...
4) retval = vm_mmap_pgoff(file, addr, len, prot, flags, pgoff);
out_fput:
...
return retval;
Signed-off-by: Zhen Lei <thunder.leizhen@huawei.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Reviewed-by: Andrew Morton <akpm@linux-foundation.org>
Link: http://lkml.kernel.org/r/20200705080112.1405-1-thunder.leizhen@huawei.com
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Greg Kroah-Hartman
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d332fba061 |
Merge b34133fec8 ("Merge tag 'perf-core-2020-08-03' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip") into android-mainline
Steps on the way to 5.9-rc1 Signed-off-by: Greg Kroah-Hartman <gregkh@google.com> Change-Id: Ib901b7670a0313d91a57bce86c9587a25020cc3d |