From 6b3af2ad53cfe8a625f0e77b69c2b5ef685787d0 Mon Sep 17 00:00:00 2001 From: Jack Pham Date: Thu, 12 Aug 2021 01:26:35 -0700 Subject: [PATCH 001/649] usb: dwc3: Decouple USB 2.0 L1 & L2 events [ Upstream commit 843714bb37d9a3780160d7b4a4a72b8077a77589 ] On DWC_usb3 revisions 3.00a and newer (including DWC_usb31 and DWC_usb32) the GUCTL1 register gained the DEV_DECOUPLE_L1L2_EVT field (bit 31) which when enabled allows the controller in device mode to treat USB 2.0 L1 LPM & L2 events separately. After commit d1d90dd27254 ("usb: dwc3: gadget: Enable suspend events") the controller will now receive events (and therefore interrupts) for every state change when entering/exiting either L1 or L2 states. Since L1 is handled entirely by the hardware and requires no software intervention, there is no need to even enable these events and unnecessarily notify the gadget driver. Enable the aforementioned bit to help reduce the overall interrupt count for these L1 events that don't need to be handled while retaining the events for full L2 suspend/wakeup. Tested-by: Jun Li Tested-by: Amit Pundir # for RB5 (sm8250) Tested-by: John Stultz # for HiKey960 & db845c Reviewed-by: Jun Li Acked-by: Felipe Balbi Signed-off-by: Jack Pham Link: https://lore.kernel.org/r/20210812082635.12924-1-jackp@codeaurora.org Signed-off-by: Greg Kroah-Hartman Stable-dep-of: 9149c9b0c7e0 ("usb: dwc3: core: update LC timer as per USB Spec V3.2") Signed-off-by: Sasha Levin --- drivers/usb/dwc3/core.c | 9 +++++++++ drivers/usb/dwc3/core.h | 5 +++-- 2 files changed, 12 insertions(+), 2 deletions(-) diff --git a/drivers/usb/dwc3/core.c b/drivers/usb/dwc3/core.c index ee7682faa6f3..3a88e4268590 100644 --- a/drivers/usb/dwc3/core.c +++ b/drivers/usb/dwc3/core.c @@ -1064,6 +1064,15 @@ static int dwc3_core_init(struct dwc3 *dwc) if (!DWC3_VER_IS_PRIOR(DWC3, 290A)) reg |= DWC3_GUCTL1_DEV_L1_EXIT_BY_HW; + /* + * Decouple USB 2.0 L1 & L2 events which will allow for + * gadget driver to only receive U3/L2 suspend & wakeup + * events and prevent the more frequent L1 LPM transitions + * from interrupting the driver. + */ + if (!DWC3_VER_IS_PRIOR(DWC3, 300A)) + reg |= DWC3_GUCTL1_DEV_DECOUPLE_L1L2_EVT; + if (dwc->dis_tx_ipgap_linecheck_quirk) reg |= DWC3_GUCTL1_TX_IPGAP_LINECHECK_DIS; diff --git a/drivers/usb/dwc3/core.h b/drivers/usb/dwc3/core.h index 1c8496fc732e..620c19deeee7 100644 --- a/drivers/usb/dwc3/core.h +++ b/drivers/usb/dwc3/core.h @@ -250,9 +250,10 @@ #define DWC3_GCTL_DSBLCLKGTNG BIT(0) /* Global User Control 1 Register */ -#define DWC3_GUCTL1_PARKMODE_DISABLE_SS BIT(17) +#define DWC3_GUCTL1_DEV_DECOUPLE_L1L2_EVT BIT(31) #define DWC3_GUCTL1_TX_IPGAP_LINECHECK_DIS BIT(28) -#define DWC3_GUCTL1_DEV_L1_EXIT_BY_HW BIT(24) +#define DWC3_GUCTL1_DEV_L1_EXIT_BY_HW BIT(24) +#define DWC3_GUCTL1_PARKMODE_DISABLE_SS BIT(17) /* Global Status Register */ #define DWC3_GSTS_OTG_IP BIT(10) From b06bb81ef94068cb3db011454caa46c7dd9f2957 Mon Sep 17 00:00:00 2001 From: Foster Snowhill Date: Tue, 6 Aug 2024 19:28:09 +0200 Subject: [PATCH 002/649] usbnet: ipheth: fix carrier detection in modes 1 and 4 [ Upstream commit 67927a1b255d883881be9467508e0af9a5e0be9d ] Apart from the standard "configurations", "interfaces" and "alternate interface settings" in USB, iOS devices also have a notion of "modes". In different modes, the device exposes a different set of available configurations. Depending on the iOS version, and depending on the current mode, the length and contents of the carrier state control message differs: * 1 byte (seen on iOS 4.2.1, 8.4): * 03: carrier off (mode 0) * 04: carrier on (mode 0) * 3 bytes (seen on iOS 10.3.4, 15.7.6): * 03 03 03: carrier off (mode 0) * 04 04 03: carrier on (mode 0) * 4 bytes (seen on iOS 16.5, 17.6): * 03 03 03 00: carrier off (mode 0) * 04 03 03 00: carrier off (mode 1) * 06 03 03 00: carrier off (mode 4) * 04 04 03 04: carrier on (mode 0 and 1) * 06 04 03 04: carrier on (mode 4) Before this change, the driver always used the first byte of the response to determine carrier state. From this larger sample, the first byte seems to indicate the number of available USB configurations in the current mode (with the exception of the default mode 0), and in some cases (namely mode 1 and 4) does not correlate with the carrier state. Previous logic erroneously counted `04 03 03 00` as "carrier on" and `06 04 03 04` as "carrier off" on iOS versions that support mode 1 and mode 4 respectively. Only modes 0, 1 and 4 expose the USB Ethernet interfaces necessary for the ipheth driver. Check the second byte of the control message where possible, and fall back to checking the first byte on older iOS versions. Signed-off-by: Foster Snowhill Tested-by: Georgi Valkov Signed-off-by: David S. Miller Signed-off-by: Sasha Levin --- drivers/net/usb/ipheth.c | 5 +++-- 1 file changed, 3 insertions(+), 2 deletions(-) diff --git a/drivers/net/usb/ipheth.c b/drivers/net/usb/ipheth.c index 4485388dcff2..bb3d4c5dadfc 100644 --- a/drivers/net/usb/ipheth.c +++ b/drivers/net/usb/ipheth.c @@ -253,13 +253,14 @@ static int ipheth_carrier_set(struct ipheth_device *dev) 0x02, /* index */ dev->ctrl_buf, IPHETH_CTRL_BUF_SIZE, IPHETH_CTRL_TIMEOUT); - if (retval < 0) { + if (retval <= 0) { dev_err(&dev->intf->dev, "%s: usb_control_msg: %d\n", __func__, retval); return retval; } - if (dev->ctrl_buf[0] == IPHETH_CARRIER_ON) { + if ((retval == 1 && dev->ctrl_buf[0] == IPHETH_CARRIER_ON) || + (retval >= 2 && dev->ctrl_buf[1] == IPHETH_CARRIER_ON)) { netif_carrier_on(dev->net); if (dev->tx_urb->status != -EINPROGRESS) netif_wake_queue(dev->net); From 3b9ca0230077386b471fb0ae9a7b69b7b3a7ef6c Mon Sep 17 00:00:00 2001 From: Moon Yeounsu Date: Wed, 7 Aug 2024 19:07:21 +0900 Subject: [PATCH 003/649] net: ethernet: use ip_hdrlen() instead of bit shift [ Upstream commit 9a039eeb71a42c8b13408a1976e300f3898e1be0 ] `ip_hdr(skb)->ihl << 2` is the same as `ip_hdrlen(skb)` Therefore, we should use a well-defined function not a bit shift to find the header length. It also compresses two lines to a single line. Signed-off-by: Moon Yeounsu Reviewed-by: Christophe JAILLET Signed-off-by: David S. Miller Signed-off-by: Sasha Levin --- drivers/net/ethernet/jme.c | 10 ++++------ 1 file changed, 4 insertions(+), 6 deletions(-) diff --git a/drivers/net/ethernet/jme.c b/drivers/net/ethernet/jme.c index e9efe074edc1..80858206c514 100644 --- a/drivers/net/ethernet/jme.c +++ b/drivers/net/ethernet/jme.c @@ -947,15 +947,13 @@ jme_udpsum(struct sk_buff *skb) if (skb->protocol != htons(ETH_P_IP)) return csum; skb_set_network_header(skb, ETH_HLEN); - if ((ip_hdr(skb)->protocol != IPPROTO_UDP) || - (skb->len < (ETH_HLEN + - (ip_hdr(skb)->ihl << 2) + - sizeof(struct udphdr)))) { + + if (ip_hdr(skb)->protocol != IPPROTO_UDP || + skb->len < (ETH_HLEN + ip_hdrlen(skb) + sizeof(struct udphdr))) { skb_reset_network_header(skb); return csum; } - skb_set_transport_header(skb, - ETH_HLEN + (ip_hdr(skb)->ihl << 2)); + skb_set_transport_header(skb, ETH_HLEN + ip_hdrlen(skb)); csum = udp_hdr(skb)->check; skb_reset_transport_header(skb); skb_reset_network_header(skb); From acb4baa4846dc8b3fc40963dc76f52595dd0dd40 Mon Sep 17 00:00:00 2001 From: Pawel Dembicki Date: Fri, 9 Aug 2024 21:38:06 +0200 Subject: [PATCH 004/649] net: phy: vitesse: repair vsc73xx autonegotiation [ Upstream commit de7a670f8defe4ed2115552ad23dea0f432f7be4 ] When the vsc73xx mdio bus work properly, the generic autonegotiation configuration works well. Reviewed-by: Linus Walleij Signed-off-by: Pawel Dembicki Signed-off-by: David S. Miller Signed-off-by: Sasha Levin --- drivers/net/phy/vitesse.c | 14 -------------- 1 file changed, 14 deletions(-) diff --git a/drivers/net/phy/vitesse.c b/drivers/net/phy/vitesse.c index bb680352708a..3f594c8784e2 100644 --- a/drivers/net/phy/vitesse.c +++ b/drivers/net/phy/vitesse.c @@ -232,16 +232,6 @@ static int vsc739x_config_init(struct phy_device *phydev) return 0; } -static int vsc73xx_config_aneg(struct phy_device *phydev) -{ - /* The VSC73xx switches does not like to be instructed to - * do autonegotiation in any way, it prefers that you just go - * with the power-on/reset defaults. Writing some registers will - * just make autonegotiation permanently fail. - */ - return 0; -} - /* This adds a skew for both TX and RX clocks, so the skew should only be * applied to "rgmii-id" interfaces. It may not work as expected * on "rgmii-txid", "rgmii-rxid" or "rgmii" interfaces. */ @@ -424,7 +414,6 @@ static struct phy_driver vsc82xx_driver[] = { .phy_id_mask = 0x000ffff0, /* PHY_GBIT_FEATURES */ .config_init = vsc738x_config_init, - .config_aneg = vsc73xx_config_aneg, .read_page = vsc73xx_read_page, .write_page = vsc73xx_write_page, }, { @@ -433,7 +422,6 @@ static struct phy_driver vsc82xx_driver[] = { .phy_id_mask = 0x000ffff0, /* PHY_GBIT_FEATURES */ .config_init = vsc738x_config_init, - .config_aneg = vsc73xx_config_aneg, .read_page = vsc73xx_read_page, .write_page = vsc73xx_write_page, }, { @@ -442,7 +430,6 @@ static struct phy_driver vsc82xx_driver[] = { .phy_id_mask = 0x000ffff0, /* PHY_GBIT_FEATURES */ .config_init = vsc739x_config_init, - .config_aneg = vsc73xx_config_aneg, .read_page = vsc73xx_read_page, .write_page = vsc73xx_write_page, }, { @@ -451,7 +438,6 @@ static struct phy_driver vsc82xx_driver[] = { .phy_id_mask = 0x000ffff0, /* PHY_GBIT_FEATURES */ .config_init = vsc739x_config_init, - .config_aneg = vsc73xx_config_aneg, .read_page = vsc73xx_read_page, .write_page = vsc73xx_write_page, }, { From 43662ba6ca863c2ab440f038352e2d5e32c7b802 Mon Sep 17 00:00:00 2001 From: Christophe Leroy Date: Thu, 8 Aug 2024 09:05:08 +0200 Subject: [PATCH 005/649] powerpc/mm: Fix boot warning with hugepages and CONFIG_DEBUG_VIRTUAL [ Upstream commit e7e846dc6c73fbc94ae8b4ec20d05627646416f2 ] Booting with CONFIG_DEBUG_VIRTUAL leads to following warning when passing hugepage reservation on command line: Kernel command line: hugepagesz=1g hugepages=1 hugepagesz=64m hugepages=1 hugepagesz=256m hugepages=1 noreboot HugeTLB: allocating 1 of page size 1.00 GiB failed. Only allocated 0 hugepages. ------------[ cut here ]------------ WARNING: CPU: 0 PID: 0 at arch/powerpc/include/asm/io.h:948 __alloc_bootmem_huge_page+0xd4/0x284 Modules linked in: CPU: 0 PID: 0 Comm: swapper Not tainted 6.10.0-rc6-00396-g6b0e82791bd0-dirty #936 Hardware name: MPC8544DS e500v2 0x80210030 MPC8544 DS NIP: c1020240 LR: c10201d0 CTR: 00000000 REGS: c13fdd30 TRAP: 0700 Not tainted (6.10.0-rc6-00396-g6b0e82791bd0-dirty) MSR: 00021000 CR: 44084288 XER: 20000000 GPR00: c10201d0 c13fde20 c130b560 e8000000 e8001000 00000000 00000000 c1420000 GPR08: 00000000 00028001 00000000 00000004 44084282 01066ac0 c0eb7c9c efffe149 GPR16: c0fc4228 0000005f ffffffff c0eb7d0c c0eb7cc0 c0eb7ce0 ffffffff 00000000 GPR24: c1441cec efffe153 e8001000 c14240c0 00000000 c1441d64 00000000 e8000000 NIP [c1020240] __alloc_bootmem_huge_page+0xd4/0x284 LR [c10201d0] __alloc_bootmem_huge_page+0x64/0x284 Call Trace: [c13fde20] [c10201d0] __alloc_bootmem_huge_page+0x64/0x284 (unreliable) [c13fde50] [c10207b8] hugetlb_hstate_alloc_pages+0x8c/0x3e8 [c13fdeb0] [c1021384] hugepages_setup+0x240/0x2cc [c13fdef0] [c1000574] unknown_bootoption+0xfc/0x280 [c13fdf30] [c0078904] parse_args+0x200/0x4c4 [c13fdfa0] [c1000d9c] start_kernel+0x238/0x7d0 [c13fdff0] [c0000434] set_ivor+0x12c/0x168 Code: 554aa33e 7c042840 3ce0c142 80a7427c 5109a016 50caa016 7c9a2378 7fdcf378 4180000c 7c052040 41810160 7c095040 <0fe00000> 38c00000 40800108 3c60c0eb ---[ end trace 0000000000000000 ]--- This is due to virt_addr_valid() using high_memory before it is set. high_memory is set in mem_init() using max_low_pfn, but max_low_pfn is available long before, it is set in mem_topology_setup(). So just like commit daa9ada2093e ("powerpc/mm: Fix boot crash with FLATMEM") moved the setting of max_mapnr immediately after the call to mem_topology_setup(), the same can be done for high_memory. Signed-off-by: Christophe Leroy Signed-off-by: Michael Ellerman Link: https://msgid.link/62b69c4baad067093f39e7e60df0fe27a86b8d2a.1723100702.git.christophe.leroy@csgroup.eu Signed-off-by: Sasha Levin --- arch/powerpc/kernel/setup-common.c | 1 + arch/powerpc/mm/mem.c | 2 -- 2 files changed, 1 insertion(+), 2 deletions(-) diff --git a/arch/powerpc/kernel/setup-common.c b/arch/powerpc/kernel/setup-common.c index 1e417c3eedfe..b99b35ba2412 100644 --- a/arch/powerpc/kernel/setup-common.c +++ b/arch/powerpc/kernel/setup-common.c @@ -908,6 +908,7 @@ void __init setup_arch(char **cmdline_p) mem_topology_setup(); /* Set max_mapnr before paging_init() */ set_max_mapnr(max_pfn); + high_memory = (void *)__va(max_low_pfn * PAGE_SIZE); /* * Release secondary cpus out of their spinloops at 0x60 now that diff --git a/arch/powerpc/mm/mem.c b/arch/powerpc/mm/mem.c index 08e3422eb792..cd6a68a64d87 100644 --- a/arch/powerpc/mm/mem.c +++ b/arch/powerpc/mm/mem.c @@ -292,8 +292,6 @@ void __init mem_init(void) swiotlb_init(0); #endif - high_memory = (void *) __va(max_low_pfn * PAGE_SIZE); - kasan_late_init(); memblock_free_all(); From 1ac0667658264564ceb7bb21b52dcef85860088e Mon Sep 17 00:00:00 2001 From: Piyush Mehta Date: Tue, 20 Sep 2022 10:52:35 +0530 Subject: [PATCH 006/649] usb: dwc3: core: Enable GUCTL1 bit 10 for fixing termination error after resume bug [ Upstream commit 63d7f9810a38102cdb8cad214fac98682081e1a7 ] When configured in HOST mode, after issuing U3/L2 exit controller fails to send proper CRC checksum in CRC5 field. Because of this behavior Transaction Error is generated, resulting in reset and re-enumeration of usb device attached. Enabling chicken bit 10 of GUCTL1 will correct this problem. When this bit is set to '1', the UTMI/ULPI opmode will be changed to "normal" along with HS terminations, term, and xcvr signals after EOR. This option is to support certain legacy UTMI/ULPI PHYs. Added "snps,resume-hs-terminations" quirk to resolved the above issue. Signed-off-by: Piyush Mehta Link: https://lore.kernel.org/r/20220920052235.194272-3-piyush.mehta@amd.com Signed-off-by: Greg Kroah-Hartman Stable-dep-of: 9149c9b0c7e0 ("usb: dwc3: core: update LC timer as per USB Spec V3.2") Signed-off-by: Sasha Levin --- drivers/usb/dwc3/core.c | 17 +++++++++++++++++ drivers/usb/dwc3/core.h | 4 ++++ 2 files changed, 21 insertions(+) diff --git a/drivers/usb/dwc3/core.c b/drivers/usb/dwc3/core.c index 3a88e4268590..82db59304492 100644 --- a/drivers/usb/dwc3/core.c +++ b/drivers/usb/dwc3/core.c @@ -1054,6 +1054,21 @@ static int dwc3_core_init(struct dwc3 *dwc) dwc3_writel(dwc->regs, DWC3_GUCTL2, reg); } + /* + * When configured in HOST mode, after issuing U3/L2 exit controller + * fails to send proper CRC checksum in CRC5 feild. Because of this + * behaviour Transaction Error is generated, resulting in reset and + * re-enumeration of usb device attached. All the termsel, xcvrsel, + * opmode becomes 0 during end of resume. Enabling bit 10 of GUCTL1 + * will correct this problem. This option is to support certain + * legacy ULPI PHYs. + */ + if (dwc->resume_hs_terminations) { + reg = dwc3_readl(dwc->regs, DWC3_GUCTL1); + reg |= DWC3_GUCTL1_RESUME_OPMODE_HS_HOST; + dwc3_writel(dwc->regs, DWC3_GUCTL1, reg); + } + if (!DWC3_VER_IS_PRIOR(DWC3, 250A)) { reg = dwc3_readl(dwc->regs, DWC3_GUCTL1); @@ -1378,6 +1393,8 @@ static void dwc3_get_properties(struct dwc3 *dwc) "snps,dis-del-phy-power-chg-quirk"); dwc->dis_tx_ipgap_linecheck_quirk = device_property_read_bool(dev, "snps,dis-tx-ipgap-linecheck-quirk"); + dwc->resume_hs_terminations = device_property_read_bool(dev, + "snps,resume-hs-terminations"); dwc->parkmode_disable_ss_quirk = device_property_read_bool(dev, "snps,parkmode-disable-ss-quirk"); diff --git a/drivers/usb/dwc3/core.h b/drivers/usb/dwc3/core.h index 620c19deeee7..dbfb17ee4cca 100644 --- a/drivers/usb/dwc3/core.h +++ b/drivers/usb/dwc3/core.h @@ -254,6 +254,7 @@ #define DWC3_GUCTL1_TX_IPGAP_LINECHECK_DIS BIT(28) #define DWC3_GUCTL1_DEV_L1_EXIT_BY_HW BIT(24) #define DWC3_GUCTL1_PARKMODE_DISABLE_SS BIT(17) +#define DWC3_GUCTL1_RESUME_OPMODE_HS_HOST BIT(10) /* Global Status Register */ #define DWC3_GSTS_OTG_IP BIT(10) @@ -1051,6 +1052,8 @@ struct dwc3_scratchpad_array { * change quirk. * @dis_tx_ipgap_linecheck_quirk: set if we disable u2mac linestate * check during HS transmit. + * @resume-hs-terminations: Set if we enable quirk for fixing improper crc + * generation after resume from suspend. * @parkmode_disable_ss_quirk: set if we need to disable all SuperSpeed * instances in park mode. * @tx_de_emphasis_quirk: set if we enable Tx de-emphasis quirk @@ -1252,6 +1255,7 @@ struct dwc3 { unsigned dis_u2_freeclk_exists_quirk:1; unsigned dis_del_phy_power_chg_quirk:1; unsigned dis_tx_ipgap_linecheck_quirk:1; + unsigned resume_hs_terminations:1; unsigned parkmode_disable_ss_quirk:1; unsigned tx_de_emphasis_quirk:1; From f08589057f323442b7fb7c5b9eb4dc0453efea59 Mon Sep 17 00:00:00 2001 From: Jeff Layton Date: Mon, 12 Aug 2024 12:30:52 -0400 Subject: [PATCH 007/649] btrfs: update target inode's ctime on unlink [ Upstream commit 3bc2ac2f8f0b78a13140fc72022771efe0c9b778 ] Unlink changes the link count on the target inode. POSIX mandates that the ctime must also change when this occurs. According to https://pubs.opengroup.org/onlinepubs/9699919799/functions/unlink.html: "Upon successful completion, unlink() shall mark for update the last data modification and last file status change timestamps of the parent directory. Also, if the file's link count is not 0, the last file status change timestamp of the file shall be marked for update." Signed-off-by: Jeff Layton Reviewed-by: David Sterba [ add link to the opengroup docs ] Signed-off-by: David Sterba Signed-off-by: Sasha Levin --- fs/btrfs/inode.c | 1 + 1 file changed, 1 insertion(+) diff --git a/fs/btrfs/inode.c b/fs/btrfs/inode.c index cd3156a9a268..24598acb9a31 100644 --- a/fs/btrfs/inode.c +++ b/fs/btrfs/inode.c @@ -3704,6 +3704,7 @@ static int __btrfs_unlink_inode(struct btrfs_trans_handle *trans, btrfs_i_size_write(dir, dir->vfs_inode.i_size - name_len * 2); inode_inc_iversion(&inode->vfs_inode); + inode_set_ctime_current(&inode->vfs_inode); inode_inc_iversion(&dir->vfs_inode); inode->vfs_inode.i_ctime = dir->vfs_inode.i_mtime = dir->vfs_inode.i_ctime = current_time(&inode->vfs_inode); From 8a30bee7f534031c5a2e4b151b59a5341f54b777 Mon Sep 17 00:00:00 2001 From: Faisal Hassan Date: Thu, 29 Aug 2024 15:15:02 +0530 Subject: [PATCH 008/649] usb: dwc3: core: update LC timer as per USB Spec V3.2 [ Upstream commit 9149c9b0c7e046273141e41eebd8a517416144ac ] This fix addresses STAR 9001285599, which only affects DWC_usb3 version 3.20a. The timer value for PM_LC_TIMER in DWC_usb3 3.20a for the Link ECN changes is incorrect. If the PM TIMER ECN is enabled via GUCTL2[19], the link compliance test (TD7.21) may fail. If the ECN is not enabled (GUCTL2[19] = 0), the controller will use the old timer value (5us), which is still acceptable for the link compliance test. Therefore, clear GUCTL2[19] to pass the USB link compliance test: TD 7.21. Cc: stable@vger.kernel.org Signed-off-by: Faisal Hassan Acked-by: Thinh Nguyen Link: https://lore.kernel.org/r/20240829094502.26502-1-quic_faisalh@quicinc.com Signed-off-by: Greg Kroah-Hartman Signed-off-by: Sasha Levin --- drivers/usb/dwc3/core.c | 15 +++++++++++++++ drivers/usb/dwc3/core.h | 2 ++ 2 files changed, 17 insertions(+) diff --git a/drivers/usb/dwc3/core.c b/drivers/usb/dwc3/core.c index 82db59304492..b0ce9c1ed450 100644 --- a/drivers/usb/dwc3/core.c +++ b/drivers/usb/dwc3/core.c @@ -1054,6 +1054,21 @@ static int dwc3_core_init(struct dwc3 *dwc) dwc3_writel(dwc->regs, DWC3_GUCTL2, reg); } + /* + * STAR 9001285599: This issue affects DWC_usb3 version 3.20a + * only. If the PM TIMER ECM is enabled through GUCTL2[19], the + * link compliance test (TD7.21) may fail. If the ECN is not + * enabled (GUCTL2[19] = 0), the controller will use the old timer + * value (5us), which is still acceptable for the link compliance + * test. Therefore, do not enable PM TIMER ECM in 3.20a by + * setting GUCTL2[19] by default; instead, use GUCTL2[19] = 0. + */ + if (DWC3_VER_IS(DWC3, 320A)) { + reg = dwc3_readl(dwc->regs, DWC3_GUCTL2); + reg &= ~DWC3_GUCTL2_LC_TIMER; + dwc3_writel(dwc->regs, DWC3_GUCTL2, reg); + } + /* * When configured in HOST mode, after issuing U3/L2 exit controller * fails to send proper CRC checksum in CRC5 feild. Because of this diff --git a/drivers/usb/dwc3/core.h b/drivers/usb/dwc3/core.h index dbfb17ee4cca..1765e58089fc 100644 --- a/drivers/usb/dwc3/core.h +++ b/drivers/usb/dwc3/core.h @@ -381,6 +381,7 @@ /* Global User Control Register 2 */ #define DWC3_GUCTL2_RST_ACTBITLATER BIT(14) +#define DWC3_GUCTL2_LC_TIMER BIT(19) /* Global User Control Register 3 */ #define DWC3_GUCTL3_SPLITDISABLE BIT(14) @@ -1166,6 +1167,7 @@ struct dwc3 { #define DWC3_REVISION_290A 0x5533290a #define DWC3_REVISION_300A 0x5533300a #define DWC3_REVISION_310A 0x5533310a +#define DWC3_REVISION_320A 0x5533320a #define DWC3_REVISION_330A 0x5533330a #define DWC31_REVISION_ANY 0x0 From 3f7183e28fa3bfc5636379f3bf6d35b169df4c2d Mon Sep 17 00:00:00 2001 From: Marek Vasut Date: Mon, 8 Jul 2024 23:18:57 +0200 Subject: [PATCH 009/649] Input: ads7846 - ratelimit the spi_sync error message [ Upstream commit ccbfea78adf75d3d9e87aa739dab83254f5333fa ] In case the touch controller is not connected, this message keeps scrolling on the console indefinitelly. Ratelimit it to avoid filling kernel logs. " ads7846 spi2.1: spi_sync --> -22 " Signed-off-by: Marek Vasut Link: https://lore.kernel.org/r/20240708211913.171243-1-marex@denx.de Signed-off-by: Dmitry Torokhov Signed-off-by: Sasha Levin --- drivers/input/touchscreen/ads7846.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/input/touchscreen/ads7846.c b/drivers/input/touchscreen/ads7846.c index 1753288cedde..08a1eac2dfa2 100644 --- a/drivers/input/touchscreen/ads7846.c +++ b/drivers/input/touchscreen/ads7846.c @@ -819,7 +819,7 @@ static void ads7846_read_state(struct ads7846 *ts) m = &ts->msg[msg_idx]; error = spi_sync(ts->spi, m); if (error) { - dev_err(&ts->spi->dev, "spi_sync --> %d\n", error); + dev_err_ratelimited(&ts->spi->dev, "spi_sync --> %d\n", error); packet->ignore = true; return; } From 9deecde637140c4e5dafc814fabbdbb2ecfbdf99 Mon Sep 17 00:00:00 2001 From: Jonathan Denose Date: Tue, 23 Jul 2024 21:33:30 -0700 Subject: [PATCH 010/649] Input: synaptics - enable SMBus for HP Elitebook 840 G2 [ Upstream commit da897484557b34a54fabb81f6c223c19a69e546d ] The kernel reports that the touchpad for this device can support a different bus. With SMBus enabled the touchpad movement is smoother and three-finger gestures are recognized. Signed-off-by: Jonathan Denose Link: https://lore.kernel.org/r/20240719180612.1.Ib652dd808c274076f32cd7fc6c1160d2cf71753b@changeid Signed-off-by: Dmitry Torokhov Signed-off-by: Sasha Levin --- drivers/input/mouse/synaptics.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/input/mouse/synaptics.c b/drivers/input/mouse/synaptics.c index e2c130832c15..82504b0ce01b 100644 --- a/drivers/input/mouse/synaptics.c +++ b/drivers/input/mouse/synaptics.c @@ -187,6 +187,7 @@ static const char * const smbus_pnp_ids[] = { "LEN2054", /* E480 */ "LEN2055", /* E580 */ "LEN2068", /* T14 Gen 1 */ + "SYN3015", /* HP EliteBook 840 G2 */ "SYN3052", /* HP EliteBook 840 G4 */ "SYN3221", /* HP 15-ay000 */ "SYN323d", /* HP Spectre X360 13-w013dx */ From 44eb665889e3acb885878f69be3978deac511823 Mon Sep 17 00:00:00 2001 From: Anders Roxell Date: Mon, 5 Aug 2024 11:22:34 +0200 Subject: [PATCH 011/649] scripts: kconfig: merge_config: config files: add a trailing newline [ Upstream commit 33330bcf031818e60a816db0cfd3add9eecc3b28 ] When merging files without trailing newlines at the end of the file, two config fragments end up at the same row if file1.config doens't have a trailing newline at the end of the file. file1.config "CONFIG_1=y" file2.config "CONFIG_2=y" ./scripts/kconfig/merge_config.sh -m .config file1.config file2.config This will generate a .config looking like this. cat .config ... CONFIG_1=yCONFIG_2=y" Making sure so we add a newline at the end of every config file that is passed into the script. Signed-off-by: Anders Roxell Signed-off-by: Masahiro Yamada Signed-off-by: Sasha Levin --- scripts/kconfig/merge_config.sh | 2 ++ 1 file changed, 2 insertions(+) diff --git a/scripts/kconfig/merge_config.sh b/scripts/kconfig/merge_config.sh index 63c8565206a4..d7d5c58b8b6a 100755 --- a/scripts/kconfig/merge_config.sh +++ b/scripts/kconfig/merge_config.sh @@ -150,6 +150,8 @@ for ORIG_MERGE_FILE in $MERGE_LIST ; do sed -i "/$CFG[ =]/d" $MERGE_FILE fi done + # In case the previous file lacks a new line at the end + echo >> $TMP_FILE cat $MERGE_FILE >> $TMP_FILE done From 00d54431b0ed419b1928d74c02a211c1cd46ef4f Mon Sep 17 00:00:00 2001 From: Rob Clark Date: Tue, 16 Jul 2024 09:06:30 -0700 Subject: [PATCH 012/649] drm/msm/adreno: Fix error return if missing firmware-name [ Upstream commit 624ab9cde26a9f150b4fd268b0f3dae3184dc40c ] -ENODEV is used to signify that there is no zap shader for the platform, and the CPU can directly take the GPU out of secure mode. We want to use this return code when there is no zap-shader node. But not when there is, but without a firmware-name property. This case we want to treat as-if the needed fw is not found. Signed-off-by: Rob Clark Reviewed-by: Dmitry Baryshkov Reviewed-by: Akhil P Oommen Patchwork: https://patchwork.freedesktop.org/patch/604564/ Signed-off-by: Sasha Levin --- drivers/gpu/drm/msm/adreno/adreno_gpu.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/gpu/drm/msm/adreno/adreno_gpu.c b/drivers/gpu/drm/msm/adreno/adreno_gpu.c index 11a6a41b4910..a5f95801adfe 100644 --- a/drivers/gpu/drm/msm/adreno/adreno_gpu.c +++ b/drivers/gpu/drm/msm/adreno/adreno_gpu.c @@ -93,7 +93,7 @@ static int zap_shader_load_mdt(struct msm_gpu *gpu, const char *fwname, * was a bad idea, and is only provided for backwards * compatibility for older targets. */ - return -ENODEV; + return -ENOENT; } if (IS_ERR(fw)) { From 4f0e491644b7ddea9e08451abfb5a69980dbebd8 Mon Sep 17 00:00:00 2001 From: Takashi Iwai Date: Wed, 14 Aug 2024 12:06:19 +0200 Subject: [PATCH 013/649] Input: i8042 - add Fujitsu Lifebook E756 to i8042 quirk table [ Upstream commit 7ce7c2283fa6843ab3c2adfeb83dcc504a107858 ] Yet another quirk entry for Fujitsu laptop. Lifebook E756 requires i8041.nomux for keeping the touchpad working after suspend/resume. Link: https://bugzilla.suse.com/show_bug.cgi?id=1229056 Signed-off-by: Takashi Iwai Link: https://lore.kernel.org/r/20240814100630.2048-1-tiwai@suse.de Signed-off-by: Dmitry Torokhov Signed-off-by: Sasha Levin --- drivers/input/serio/i8042-acpipnpio.h | 9 +++++++++ 1 file changed, 9 insertions(+) diff --git a/drivers/input/serio/i8042-acpipnpio.h b/drivers/input/serio/i8042-acpipnpio.h index 91edfb88a218..29676ff37766 100644 --- a/drivers/input/serio/i8042-acpipnpio.h +++ b/drivers/input/serio/i8042-acpipnpio.h @@ -617,6 +617,15 @@ static const struct dmi_system_id i8042_dmi_quirk_table[] __initconst = { }, .driver_data = (void *)(SERIO_QUIRK_NOMUX) }, + { + /* Fujitsu Lifebook E756 */ + /* https://bugzilla.suse.com/show_bug.cgi?id=1229056 */ + .matches = { + DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU"), + DMI_MATCH(DMI_PRODUCT_NAME, "LIFEBOOK E756"), + }, + .driver_data = (void *)(SERIO_QUIRK_NOMUX) + }, { /* Fujitsu Lifebook E5411 */ .matches = { From 14341f28a3a927f2fa83d4b2f69dc27f7579958a Mon Sep 17 00:00:00 2001 From: Trond Myklebust Date: Wed, 21 Aug 2024 14:05:02 -0400 Subject: [PATCH 014/649] NFS: Avoid unnecessary rescanning of the per-server delegation list [ Upstream commit f92214e4c312f6ea9d78650cc6291d200f17abb6 ] If the call to nfs_delegation_grab_inode() fails, we will not have dropped any locks that require us to rescan the list. Signed-off-by: Trond Myklebust Reviewed-by: Jeff Layton Signed-off-by: Anna Schumaker Signed-off-by: Sasha Levin --- fs/nfs/delegation.c | 15 +++++---------- 1 file changed, 5 insertions(+), 10 deletions(-) diff --git a/fs/nfs/delegation.c b/fs/nfs/delegation.c index 1eb6c7a142ff..c15188d0b6b3 100644 --- a/fs/nfs/delegation.c +++ b/fs/nfs/delegation.c @@ -609,6 +609,9 @@ static int nfs_server_return_marked_delegations(struct nfs_server *server, prev = delegation; continue; } + inode = nfs_delegation_grab_inode(delegation); + if (inode == NULL) + continue; if (prev) { struct inode *tmp = nfs_delegation_grab_inode(prev); @@ -619,12 +622,6 @@ static int nfs_server_return_marked_delegations(struct nfs_server *server, } } - inode = nfs_delegation_grab_inode(delegation); - if (inode == NULL) { - rcu_read_unlock(); - iput(to_put); - goto restart; - } delegation = nfs_start_delegation_return_locked(NFS_I(inode)); rcu_read_unlock(); @@ -1140,7 +1137,6 @@ static int nfs_server_reap_unclaimed_delegations(struct nfs_server *server, struct inode *inode; restart: rcu_read_lock(); -restart_locked: list_for_each_entry_rcu(delegation, &server->delegations, super_list) { if (test_bit(NFS_DELEGATION_INODE_FREEING, &delegation->flags) || @@ -1151,7 +1147,7 @@ static int nfs_server_reap_unclaimed_delegations(struct nfs_server *server, continue; inode = nfs_delegation_grab_inode(delegation); if (inode == NULL) - goto restart_locked; + continue; delegation = nfs_start_delegation_return_locked(NFS_I(inode)); rcu_read_unlock(); if (delegation != NULL) { @@ -1272,7 +1268,6 @@ static int nfs_server_reap_expired_delegations(struct nfs_server *server, nfs4_stateid stateid; restart: rcu_read_lock(); -restart_locked: list_for_each_entry_rcu(delegation, &server->delegations, super_list) { if (test_bit(NFS_DELEGATION_INODE_FREEING, &delegation->flags) || @@ -1283,7 +1278,7 @@ static int nfs_server_reap_expired_delegations(struct nfs_server *server, continue; inode = nfs_delegation_grab_inode(delegation); if (inode == NULL) - goto restart_locked; + continue; spin_lock(&delegation->lock); cred = get_cred_rcu(delegation->cred); nfs4_stateid_copy(&stateid, &delegation->stateid); From 78078862f0a889b005eaf61636281effb4fc6adf Mon Sep 17 00:00:00 2001 From: Quentin Schulz Date: Wed, 31 Jul 2024 13:05:29 +0200 Subject: [PATCH 015/649] arm64: dts: rockchip: override BIOS_DISABLE signal via GPIO hog on RK3399 Puma commit 741f5ba7ccba5d7ae796dd11c320e28045524771 upstream. The Qseven BIOS_DISABLE signal on the RK3399-Q7 keeps the on-module eMMC and SPI flash powered-down initially (in fact it keeps the reset signal asserted). BIOS_DISABLE_OVERRIDE pin allows to override that signal so that eMMC and SPI can be used regardless of the state of the signal. Let's make this GPIO a hog so that it's reserved and locked in the proper state. At the same time, make sure the pin is reserved for the hog and cannot be requested by another node. Cc: stable@vger.kernel.org Signed-off-by: Quentin Schulz Link: https://lore.kernel.org/r/20240731-puma-emmc-6-v1-2-4e28eadf32d0@cherry.de Signed-off-by: Heiko Stuebner Signed-off-by: Greg Kroah-Hartman --- arch/arm64/boot/dts/rockchip/rk3399-puma.dtsi | 23 ++++++++++++++++++- 1 file changed, 22 insertions(+), 1 deletion(-) diff --git a/arch/arm64/boot/dts/rockchip/rk3399-puma.dtsi b/arch/arm64/boot/dts/rockchip/rk3399-puma.dtsi index 0cf656824e23..40457a2a5cf2 100644 --- a/arch/arm64/boot/dts/rockchip/rk3399-puma.dtsi +++ b/arch/arm64/boot/dts/rockchip/rk3399-puma.dtsi @@ -148,6 +148,22 @@ &emmc_phy { drive-impedance-ohm = <33>; }; +&gpio3 { + /* + * The Qseven BIOS_DISABLE signal on the RK3399-Q7 keeps the on-module + * eMMC and SPI flash powered-down initially (in fact it keeps the + * reset signal asserted). BIOS_DISABLE_OVERRIDE pin allows to override + * that signal so that eMMC and SPI can be used regardless of the state + * of the signal. + */ + bios-disable-override-hog { + gpios = ; + gpio-hog; + line-name = "bios_disable_override"; + output-high; + }; +}; + &gmac { assigned-clocks = <&cru SCLK_RMII_SRC>; assigned-clock-parents = <&clkin_gmac>; @@ -437,9 +453,14 @@ &pcie_clkreqn_cpm { &pinctrl { pinctrl-names = "default"; - pinctrl-0 = <&q7_thermal_pin>; + pinctrl-0 = <&q7_thermal_pin &bios_disable_override_hog_pin>; gpios { + bios_disable_override_hog_pin: bios-disable-override-hog-pin { + rockchip,pins = + <3 RK_PD5 RK_FUNC_GPIO &pcfg_pull_down>; + }; + q7_thermal_pin: q7-thermal-pin { rockchip,pins = <0 RK_PA3 RK_FUNC_GPIO &pcfg_pull_up>; From e829dbaf766911d8786f8614338e1d658f68c27e Mon Sep 17 00:00:00 2001 From: Lorenzo Stoakes Date: Wed, 11 Sep 2024 18:51:11 +0100 Subject: [PATCH 016/649] minmax: reduce min/max macro expansion in atomisp driver commit 7c6a3a65ace70f12b27b1a27c9a69cb791dc6e91 upstream. Avoid unnecessary nested min()/max() which results in egregious macro expansion. Use clamp_t() as this introduces the least possible expansion, and turn the {s,u}DIGIT_FITTING() macros into inline functions to avoid the nested expansion. This resolves an issue with slackware 15.0 32-bit compilation as reported by Richard Narron. Presumably the min/max fixups would be difficult to backport, this patch should be easier and fix's Richard's problem in 5.15. Reported-by: Richard Narron Reviewed-by: Hans de Goede Closes: https://lore.kernel.org/all/4a5321bd-b1f-1832-f0c-cea8694dc5aa@aaazen.com/ Fixes: 867046cc7027 ("minmax: relax check to allow comparison between unsigned arguments and signed constants") Cc: stable@vger.kernel.org Signed-off-by: Lorenzo Stoakes Signed-off-by: Linus Torvalds Signed-off-by: Greg Kroah-Hartman --- .../staging/media/atomisp/pci/sh_css_frac.h | 26 ++++++++++++++----- 1 file changed, 19 insertions(+), 7 deletions(-) diff --git a/drivers/staging/media/atomisp/pci/sh_css_frac.h b/drivers/staging/media/atomisp/pci/sh_css_frac.h index 8f08df5c88cc..569a2f59e551 100644 --- a/drivers/staging/media/atomisp/pci/sh_css_frac.h +++ b/drivers/staging/media/atomisp/pci/sh_css_frac.h @@ -30,12 +30,24 @@ #define uISP_VAL_MAX ((unsigned int)((1 << uISP_REG_BIT) - 1)) /* a:fraction bits for 16bit precision, b:fraction bits for ISP precision */ -#define sDIGIT_FITTING(v, a, b) \ - min_t(int, max_t(int, (((v) >> sSHIFT) >> max(sFRACTION_BITS_FITTING(a) - (b), 0)), \ - sISP_VAL_MIN), sISP_VAL_MAX) -#define uDIGIT_FITTING(v, a, b) \ - min((unsigned int)max((unsigned)(((v) >> uSHIFT) \ - >> max((int)(uFRACTION_BITS_FITTING(a) - (b)), 0)), \ - uISP_VAL_MIN), uISP_VAL_MAX) +static inline int sDIGIT_FITTING(int v, int a, int b) +{ + int fit_shift = sFRACTION_BITS_FITTING(a) - b; + + v >>= sSHIFT; + v >>= fit_shift > 0 ? fit_shift : 0; + + return clamp_t(int, v, sISP_VAL_MIN, sISP_VAL_MAX); +} + +static inline unsigned int uDIGIT_FITTING(unsigned int v, int a, int b) +{ + int fit_shift = uFRACTION_BITS_FITTING(a) - b; + + v >>= uSHIFT; + v >>= fit_shift > 0 ? fit_shift : 0; + + return clamp_t(unsigned int, v, uISP_VAL_MIN, uISP_VAL_MAX); +} #endif /* __SH_CSS_FRAC_H */ From b9d15b50b27900cee2912a9679615d2c6b9504d7 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?M=C3=A5rten=20Lindahl?= Date: Thu, 28 Apr 2022 16:40:36 +0200 Subject: [PATCH 017/649] hwmon: (pmbus) Introduce and use write_byte_data callback MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit [ Upstream commit 5de3e13f7f6b496bd7bd9ff4d2b915b7d3e67cda ] Some of the pmbus core functions uses pmbus_write_byte_data, which does not support driver callbacks for chip specific write operations. This could potentially influence some specific regulator chips that for example need a time delay before each data access. Lets add support for driver callback with _pmbus_write_byte_data. Signed-off-by: Mårten Lindahl Link: https://lore.kernel.org/r/20220428144039.2464667-2-marten.lindahl@axis.com Signed-off-by: Guenter Roeck Stable-dep-of: 20471071f198 ("hwmon: (pmbus) Conditionally clear individual status bits for pmbus rev >= 1.2") Signed-off-by: Sasha Levin --- drivers/hwmon/pmbus/pmbus.h | 2 ++ drivers/hwmon/pmbus/pmbus_core.c | 24 +++++++++++++++++++++--- 2 files changed, 23 insertions(+), 3 deletions(-) diff --git a/drivers/hwmon/pmbus/pmbus.h b/drivers/hwmon/pmbus/pmbus.h index de27837e8527..147306be54ac 100644 --- a/drivers/hwmon/pmbus/pmbus.h +++ b/drivers/hwmon/pmbus/pmbus.h @@ -438,6 +438,8 @@ struct pmbus_driver_info { int (*read_byte_data)(struct i2c_client *client, int page, int reg); int (*read_word_data)(struct i2c_client *client, int page, int phase, int reg); + int (*write_byte_data)(struct i2c_client *client, int page, int reg, + u8 byte); int (*write_word_data)(struct i2c_client *client, int page, int reg, u16 word); int (*write_byte)(struct i2c_client *client, int page, u8 value); diff --git a/drivers/hwmon/pmbus/pmbus_core.c b/drivers/hwmon/pmbus/pmbus_core.c index 117e3ce9c76a..a5e46d5cf760 100644 --- a/drivers/hwmon/pmbus/pmbus_core.c +++ b/drivers/hwmon/pmbus/pmbus_core.c @@ -265,6 +265,24 @@ static int _pmbus_write_word_data(struct i2c_client *client, int page, int reg, return pmbus_write_word_data(client, page, reg, word); } +/* + * _pmbus_write_byte_data() is similar to pmbus_write_byte_data(), but checks if + * a device specific mapping function exists and calls it if necessary. + */ +static int _pmbus_write_byte_data(struct i2c_client *client, int page, int reg, u8 value) +{ + struct pmbus_data *data = i2c_get_clientdata(client); + const struct pmbus_driver_info *info = data->info; + int status; + + if (info->write_byte_data) { + status = info->write_byte_data(client, page, reg, value); + if (status != -ENODATA) + return status; + } + return pmbus_write_byte_data(client, page, reg, value); +} + int pmbus_update_fan(struct i2c_client *client, int page, int id, u8 config, u8 mask, u16 command) { @@ -279,7 +297,7 @@ int pmbus_update_fan(struct i2c_client *client, int page, int id, to = (from & ~mask) | (config & mask); if (to != from) { - rv = pmbus_write_byte_data(client, page, + rv = _pmbus_write_byte_data(client, page, pmbus_fan_config_registers[id], to); if (rv < 0) return rv; @@ -386,7 +404,7 @@ int pmbus_update_byte_data(struct i2c_client *client, int page, u8 reg, tmp = (rv & ~mask) | (value & mask); if (tmp != rv) - rv = pmbus_write_byte_data(client, page, reg, tmp); + rv = _pmbus_write_byte_data(client, page, reg, tmp); return rv; } @@ -899,7 +917,7 @@ static int pmbus_get_boolean(struct i2c_client *client, struct pmbus_boolean *b, regval = status & mask; if (regval) { - ret = pmbus_write_byte_data(client, page, reg, regval); + ret = _pmbus_write_byte_data(client, page, reg, regval); if (ret) goto unlock; } From a38c552abfa9cbfd743e15d2cc5e8d46c14c5526 Mon Sep 17 00:00:00 2001 From: Patryk Biel Date: Mon, 9 Sep 2024 11:30:28 +0200 Subject: [PATCH 018/649] hwmon: (pmbus) Conditionally clear individual status bits for pmbus rev >= 1.2 [ Upstream commit 20471071f198c8626dbe3951ac9834055b387844 ] The current implementation of pmbus_show_boolean assumes that all devices support write-back operation of status register to clear pending warnings or faults. Since clearing individual bits in the status registers was only introduced in PMBus specification 1.2, this operation may not be supported by some older devices. This can result in an error while reading boolean attributes such as temp1_max_alarm. Fetch PMBus revision supported by the device and modify pmbus_show_boolean so that it only tries to clear individual status bits if the device is compliant with PMBus specs >= 1.2. Otherwise clear all fault indicators on the current page after a fault status was reported. Fixes: 35f165f08950a ("hwmon: (pmbus) Clear pmbus fault/warning bits after read") Signed-off-by: Patryk Biel Message-ID: <20240909-pmbus-status-reg-clearing-v1-1-f1c0d68c6408@gmail.com> [groeck: Rewrote description Moved revision detection code ahead of clear faults command Assigned revision if return value from PMBUS_REVISION command is 0 Improved return value check from calling _pmbus_write_byte_data()] Signed-off-by: Guenter Roeck Signed-off-by: Sasha Levin --- drivers/hwmon/pmbus/pmbus.h | 6 ++++++ drivers/hwmon/pmbus/pmbus_core.c | 17 ++++++++++++++--- 2 files changed, 20 insertions(+), 3 deletions(-) diff --git a/drivers/hwmon/pmbus/pmbus.h b/drivers/hwmon/pmbus/pmbus.h index 147306be54ac..a46c479962b0 100644 --- a/drivers/hwmon/pmbus/pmbus.h +++ b/drivers/hwmon/pmbus/pmbus.h @@ -409,6 +409,12 @@ enum pmbus_sensor_classes { enum pmbus_data_format { linear = 0, direct, vid }; enum vrm_version { vr11 = 0, vr12, vr13, imvp9, amd625mv }; +/* PMBus revision identifiers */ +#define PMBUS_REV_10 0x00 /* PMBus revision 1.0 */ +#define PMBUS_REV_11 0x11 /* PMBus revision 1.1 */ +#define PMBUS_REV_12 0x22 /* PMBus revision 1.2 */ +#define PMBUS_REV_13 0x33 /* PMBus revision 1.3 */ + struct pmbus_driver_info { int pages; /* Total number of pages */ u8 phases[PMBUS_PAGES]; /* Number of phases per page */ diff --git a/drivers/hwmon/pmbus/pmbus_core.c b/drivers/hwmon/pmbus/pmbus_core.c index a5e46d5cf760..b795c90a46d9 100644 --- a/drivers/hwmon/pmbus/pmbus_core.c +++ b/drivers/hwmon/pmbus/pmbus_core.c @@ -82,6 +82,8 @@ struct pmbus_data { u32 flags; /* from platform data */ + u8 revision; /* The PMBus revision the device is compliant with */ + int exponent[PMBUS_PAGES]; /* linear mode: exponent for output voltages */ @@ -917,9 +919,14 @@ static int pmbus_get_boolean(struct i2c_client *client, struct pmbus_boolean *b, regval = status & mask; if (regval) { - ret = _pmbus_write_byte_data(client, page, reg, regval); - if (ret) - goto unlock; + if (data->revision >= PMBUS_REV_12) { + ret = _pmbus_write_byte_data(client, page, reg, regval); + if (ret) + goto unlock; + } else { + pmbus_clear_fault_page(client, page); + } + } if (s1 && s2) { s64 v1, v2; @@ -2240,6 +2247,10 @@ static int pmbus_init_common(struct i2c_client *client, struct pmbus_data *data, if (ret > 0 && (ret & PB_WP_ANY)) data->flags |= PMBUS_WRITE_PROTECTED | PMBUS_SKIP_STATUS_CHECK; + ret = i2c_smbus_read_byte_data(client, PMBUS_REVISION); + if (ret >= 0) + data->revision = ret; + if (data->info->pages) pmbus_clear_faults(client); else From e7a9cca35eadbacaa9c9b8fb1ba7b0fa9625a7b1 Mon Sep 17 00:00:00 2001 From: Jacob Keller Date: Wed, 31 Jul 2024 09:55:55 -0700 Subject: [PATCH 019/649] ice: fix accounting for filters shared by multiple VSIs [ Upstream commit e843cf7b34fe2e0c1afc55e1f3057375c9b77a14 ] When adding a switch filter (such as a MAC or VLAN filter), it is expected that the driver will detect the case where the filter already exists, and return -EEXIST. This is used by calling code such as ice_vc_add_mac_addr, and ice_vsi_add_vlan to avoid incrementing the accounting fields such as vsi->num_vlan or vf->num_mac. This logic works correctly for the case where only a single VSI has added a given switch filter. When a second VSI adds the same switch filter, the driver converts the existing filter from an ICE_FWD_TO_VSI filter into an ICE_FWD_TO_VSI_LIST filter. This saves switch resources, by ensuring that multiple VSIs can re-use the same filter. The ice_add_update_vsi_list() function is responsible for doing this conversion. When first converting a filter from the FWD_TO_VSI into FWD_TO_VSI_LIST, it checks if the VSI being added is the same as the existing rule's VSI. In such a case it returns -EEXIST. However, when the switch rule has already been converted to a FWD_TO_VSI_LIST, the logic is different. Adding a new VSI in this case just requires extending the VSI list entry. The logic for checking if the rule already exists in this case returns 0 instead of -EEXIST. This breaks the accounting logic mentioned above, so the counters for how many MAC and VLAN filters exist for a given VF or VSI no longer accurately reflect the actual count. This breaks other code which relies on these counts. In typical usage this primarily affects such filters generally shared by multiple VSIs such as VLAN 0, or broadcast and multicast MAC addresses. Fix this by correctly reporting -EEXIST in the case of adding the same VSI to a switch rule already converted to ICE_FWD_TO_VSI_LIST. Fixes: 9daf8208dd4d ("ice: Add support for switch filter programming") Signed-off-by: Jacob Keller Tested-by: Rafal Romanowski Signed-off-by: Tony Nguyen Signed-off-by: Sasha Levin --- drivers/net/ethernet/intel/ice/ice_switch.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/net/ethernet/intel/ice/ice_switch.c b/drivers/net/ethernet/intel/ice/ice_switch.c index 0155c45d9d7f..1645fb527fdb 100644 --- a/drivers/net/ethernet/intel/ice/ice_switch.c +++ b/drivers/net/ethernet/intel/ice/ice_switch.c @@ -1259,7 +1259,7 @@ ice_add_update_vsi_list(struct ice_hw *hw, /* A rule already exists with the new VSI being added */ if (test_bit(vsi_handle, m_entry->vsi_list_info->vsi_map)) - return 0; + return -EEXIST; /* Update the previously created VSI list set with * the new VSI ID passed in From 097cc80396b794a81823ac677a572dfbe8fac5d2 Mon Sep 17 00:00:00 2001 From: Meir Lichtinger Date: Fri, 20 Nov 2020 15:03:30 -0800 Subject: [PATCH 020/649] net/mlx5: Update the list of the PCI supported devices [ Upstream commit dd8595eabeb486d41ad9994e6cece36e0e25e313 ] Add the upcoming BlueField-3 device ID. Signed-off-by: Meir Lichtinger Reviewed-by: Eran Ben Elisha Reviewed-by: Tariq Toukan Signed-off-by: Saeed Mahameed Signed-off-by: Sasha Levin --- drivers/net/ethernet/mellanox/mlx5/core/main.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/net/ethernet/mellanox/mlx5/core/main.c b/drivers/net/ethernet/mellanox/mlx5/core/main.c index 35e11cb883c9..f76a4860032c 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/main.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/main.c @@ -1600,6 +1600,7 @@ static const struct pci_device_id mlx5_core_pci_table[] = { { PCI_VDEVICE(MELLANOX, 0xa2d2) }, /* BlueField integrated ConnectX-5 network controller */ { PCI_VDEVICE(MELLANOX, 0xa2d3), MLX5_PCI_DEV_IS_VF}, /* BlueField integrated ConnectX-5 network controller VF */ { PCI_VDEVICE(MELLANOX, 0xa2d6) }, /* BlueField-2 integrated ConnectX-6 Dx network controller */ + { PCI_VDEVICE(MELLANOX, 0xa2dc) }, /* BlueField-3 integrated ConnectX-7 network controller */ { 0, } }; From b9063702a048e24b1e7dd6b8a5036dcf1e7457f9 Mon Sep 17 00:00:00 2001 From: Shahar Shitrit Date: Sun, 11 Aug 2024 13:56:13 +0300 Subject: [PATCH 021/649] net/mlx5e: Add missing link modes to ptys2ethtool_map [ Upstream commit 7617d62cba4a8a3ff3ed3fda0171c43f135c142e ] Add MLX5E_1000BASE_T and MLX5E_100BASE_TX to the legacy modes in ptys2legacy_ethtool_table, since they were missing. Fixes: 665bc53969d7 ("net/mlx5e: Use new ethtool get/set link ksettings API") Signed-off-by: Shahar Shitrit Reviewed-by: Tariq Toukan Reviewed-by: Carolina Jubran Signed-off-by: Saeed Mahameed Signed-off-by: Sasha Levin --- drivers/net/ethernet/mellanox/mlx5/core/en_ethtool.c | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_ethtool.c b/drivers/net/ethernet/mellanox/mlx5/core/en_ethtool.c index 1fdb42899a9f..1e61f31a689a 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/en_ethtool.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/en_ethtool.c @@ -127,6 +127,10 @@ void mlx5e_build_ptys2ethtool_map(void) ETHTOOL_LINK_MODE_100000baseKR4_Full_BIT); MLX5_BUILD_PTYS2ETHTOOL_CONFIG(MLX5E_100GBASE_LR4, legacy, ETHTOOL_LINK_MODE_100000baseLR4_ER4_Full_BIT); + MLX5_BUILD_PTYS2ETHTOOL_CONFIG(MLX5E_100BASE_TX, legacy, + ETHTOOL_LINK_MODE_100baseT_Full_BIT); + MLX5_BUILD_PTYS2ETHTOOL_CONFIG(MLX5E_1000BASE_T, legacy, + ETHTOOL_LINK_MODE_1000baseT_Full_BIT); MLX5_BUILD_PTYS2ETHTOOL_CONFIG(MLX5E_10GBASE_T, legacy, ETHTOOL_LINK_MODE_10000baseT_Full_BIT); MLX5_BUILD_PTYS2ETHTOOL_CONFIG(MLX5E_25GBASE_CR, legacy, From 392f6a97fcbecc64f0c00058b2db5bb0e4b8cc3e Mon Sep 17 00:00:00 2001 From: Muhammad Usama Anjum Date: Fri, 6 Sep 2024 15:28:39 +0500 Subject: [PATCH 022/649] fou: fix initialization of grc [ Upstream commit 4c8002277167125078e6b9b90137bdf443ebaa08 ] The grc must be initialize first. There can be a condition where if fou is NULL, goto out will be executed and grc would be used uninitialized. Fixes: 7e4196935069 ("fou: Fix null-ptr-deref in GRO.") Signed-off-by: Muhammad Usama Anjum Reviewed-by: Kuniyuki Iwashima Link: https://patch.msgid.link/20240906102839.202798-1-usama.anjum@collabora.com Signed-off-by: Jakub Kicinski Signed-off-by: Sasha Levin --- net/ipv4/fou.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/net/ipv4/fou.c b/net/ipv4/fou.c index 135da756dd5a..1d67df4d8ed6 100644 --- a/net/ipv4/fou.c +++ b/net/ipv4/fou.c @@ -334,11 +334,11 @@ static struct sk_buff *gue_gro_receive(struct sock *sk, struct gro_remcsum grc; u8 proto; + skb_gro_remcsum_init(&grc); + if (!fou) goto out; - skb_gro_remcsum_init(&grc); - off = skb_gro_offset(skb); len = off + sizeof(*guehdr); From f2b13ec20854316c2e406892b653c83c8885891e Mon Sep 17 00:00:00 2001 From: Jacky Chou Date: Fri, 6 Sep 2024 14:28:31 +0800 Subject: [PATCH 023/649] net: ftgmac100: Enable TX interrupt to avoid TX timeout [ Upstream commit fef2843bb49f414d1523ca007d088071dee0e055 ] Currently, the driver only enables RX interrupt to handle RX packets and TX resources. Sometimes there is not RX traffic, so the TX resource needs to wait for RX interrupt to free. This situation will toggle the TX timeout watchdog when the MAC TX ring has no more resources to transmit packets. Therefore, enable TX interrupt to release TX resources at any time. When I am verifying iperf3 over UDP, the network hangs. Like the log below. root# iperf3 -c 192.168.100.100 -i1 -t10 -u -b0 Connecting to host 192.168.100.100, port 5201 [ 4] local 192.168.100.101 port 35773 connected to 192.168.100.100 port 5201 [ ID] Interval Transfer Bandwidth Total Datagrams [ 4] 0.00-20.42 sec 160 KBytes 64.2 Kbits/sec 20 [ 4] 20.42-20.42 sec 0.00 Bytes 0.00 bits/sec 0 [ 4] 20.42-20.42 sec 0.00 Bytes 0.00 bits/sec 0 [ 4] 20.42-20.42 sec 0.00 Bytes 0.00 bits/sec 0 [ 4] 20.42-20.42 sec 0.00 Bytes 0.00 bits/sec 0 [ 4] 20.42-20.42 sec 0.00 Bytes 0.00 bits/sec 0 [ 4] 20.42-20.42 sec 0.00 Bytes 0.00 bits/sec 0 [ 4] 20.42-20.42 sec 0.00 Bytes 0.00 bits/sec 0 [ 4] 20.42-20.42 sec 0.00 Bytes 0.00 bits/sec 0 [ 4] 20.42-20.42 sec 0.00 Bytes 0.00 bits/sec 0 - - - - - - - - - - - - - - - - - - - - - - - - - [ ID] Interval Transfer Bandwidth Jitter Lost/Total Datagrams [ 4] 0.00-20.42 sec 160 KBytes 64.2 Kbits/sec 0.000 ms 0/20 (0%) [ 4] Sent 20 datagrams iperf3: error - the server has terminated The network topology is FTGMAC connects directly to a PC. UDP does not need to wait for ACK, unlike TCP. Therefore, FTGMAC needs to enable TX interrupt to release TX resources instead of waiting for the RX interrupt. Fixes: 10cbd6407609 ("ftgmac100: Rework NAPI & interrupts handling") Signed-off-by: Jacky Chou Link: https://patch.msgid.link/20240906062831.2243399-1-jacky_chou@aspeedtech.com Signed-off-by: Paolo Abeni Signed-off-by: Sasha Levin --- drivers/net/ethernet/faraday/ftgmac100.h | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/net/ethernet/faraday/ftgmac100.h b/drivers/net/ethernet/faraday/ftgmac100.h index 63b3e02fab16..4968f6f0bdbc 100644 --- a/drivers/net/ethernet/faraday/ftgmac100.h +++ b/drivers/net/ethernet/faraday/ftgmac100.h @@ -84,7 +84,7 @@ FTGMAC100_INT_RPKT_BUF) /* All the interrupts we care about */ -#define FTGMAC100_INT_ALL (FTGMAC100_INT_RPKT_BUF | \ +#define FTGMAC100_INT_ALL (FTGMAC100_INT_RXTX | \ FTGMAC100_INT_BAD) /* From 1f31f51bfc8214a6deaac2920e6342cb9d019133 Mon Sep 17 00:00:00 2001 From: Sean Anderson Date: Tue, 10 Sep 2024 10:31:44 -0400 Subject: [PATCH 024/649] net: dpaa: Pad packets to ETH_ZLEN [ Upstream commit cbd7ec083413c6a2e0c326d49e24ec7d12c7a9e0 ] When sending packets under 60 bytes, up to three bytes of the buffer following the data may be leaked. Avoid this by extending all packets to ETH_ZLEN, ensuring nothing is leaked in the padding. This bug can be reproduced by running $ ping -s 11 destination Fixes: 9ad1a3749333 ("dpaa_eth: add support for DPAA Ethernet") Suggested-by: Eric Dumazet Signed-off-by: Sean Anderson Reviewed-by: Eric Dumazet Link: https://patch.msgid.link/20240910143144.1439910-1-sean.anderson@linux.dev Signed-off-by: Jakub Kicinski Signed-off-by: Sasha Levin --- drivers/net/ethernet/freescale/dpaa/dpaa_eth.c | 9 ++++++++- 1 file changed, 8 insertions(+), 1 deletion(-) diff --git a/drivers/net/ethernet/freescale/dpaa/dpaa_eth.c b/drivers/net/ethernet/freescale/dpaa/dpaa_eth.c index 90bd5583ac34..cf7e9b26a0e3 100644 --- a/drivers/net/ethernet/freescale/dpaa/dpaa_eth.c +++ b/drivers/net/ethernet/freescale/dpaa/dpaa_eth.c @@ -2155,12 +2155,12 @@ static netdev_tx_t dpaa_start_xmit(struct sk_buff *skb, struct net_device *net_dev) { const int queue_mapping = skb_get_queue_mapping(skb); - bool nonlinear = skb_is_nonlinear(skb); struct rtnl_link_stats64 *percpu_stats; struct dpaa_percpu_priv *percpu_priv; struct netdev_queue *txq; struct dpaa_priv *priv; struct qm_fd fd; + bool nonlinear; int offset = 0; int err = 0; @@ -2170,6 +2170,13 @@ dpaa_start_xmit(struct sk_buff *skb, struct net_device *net_dev) qm_fd_clear_fd(&fd); + /* Packet data is always read as 32-bit words, so zero out any part of + * the skb which might be sent if we have to pad the packet + */ + if (__skb_put_padto(skb, ETH_ZLEN, false)) + goto enomem; + + nonlinear = skb_is_nonlinear(skb); if (!nonlinear) { /* We're going to store the skb backpointer at the beginning * of the data buffer, so we need a privately owned skb From 5a2cc2bb81399e9ebc72560541137eb04d61dc3d Mon Sep 17 00:00:00 2001 From: Arseniy Krasnov Date: Wed, 11 Sep 2024 17:24:25 +0300 Subject: [PATCH 025/649] ASoC: meson: axg-card: fix 'use-after-free' commit 4f9a71435953f941969a4f017e2357db62d85a86 upstream. Buffer 'card->dai_link' is reallocated in 'meson_card_reallocate_links()', so move 'pad' pointer initialization after this function when memory is already reallocated. Kasan bug report: ================================================================== BUG: KASAN: slab-use-after-free in axg_card_add_link+0x76c/0x9bc Read of size 8 at addr ffff000000e8b260 by task modprobe/356 CPU: 0 PID: 356 Comm: modprobe Tainted: G O 6.9.12-sdkernel #1 Call trace: dump_backtrace+0x94/0xec show_stack+0x18/0x24 dump_stack_lvl+0x78/0x90 print_report+0xfc/0x5c0 kasan_report+0xb8/0xfc __asan_load8+0x9c/0xb8 axg_card_add_link+0x76c/0x9bc [snd_soc_meson_axg_sound_card] meson_card_probe+0x344/0x3b8 [snd_soc_meson_card_utils] platform_probe+0x8c/0xf4 really_probe+0x110/0x39c __driver_probe_device+0xb8/0x18c driver_probe_device+0x108/0x1d8 __driver_attach+0xd0/0x25c bus_for_each_dev+0xe0/0x154 driver_attach+0x34/0x44 bus_add_driver+0x134/0x294 driver_register+0xa8/0x1e8 __platform_driver_register+0x44/0x54 axg_card_pdrv_init+0x20/0x1000 [snd_soc_meson_axg_sound_card] do_one_initcall+0xdc/0x25c do_init_module+0x10c/0x334 load_module+0x24c4/0x26cc init_module_from_file+0xd4/0x128 __arm64_sys_finit_module+0x1f4/0x41c invoke_syscall+0x60/0x188 el0_svc_common.constprop.0+0x78/0x13c do_el0_svc+0x30/0x40 el0_svc+0x38/0x78 el0t_64_sync_handler+0x100/0x12c el0t_64_sync+0x190/0x194 Fixes: 7864a79f37b5 ("ASoC: meson: add axg sound card support") Cc: Stable@vger.kernel.org Signed-off-by: Arseniy Krasnov Reviewed-by: Jerome Brunet Link: https://patch.msgid.link/20240911142425.598631-1-avkrasnov@salutedevices.com Signed-off-by: Mark Brown Signed-off-by: Greg Kroah-Hartman --- sound/soc/meson/axg-card.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/sound/soc/meson/axg-card.c b/sound/soc/meson/axg-card.c index 2b77010c2c5c..985dbe1805e3 100644 --- a/sound/soc/meson/axg-card.c +++ b/sound/soc/meson/axg-card.c @@ -104,7 +104,7 @@ static int axg_card_add_tdm_loopback(struct snd_soc_card *card, int *index) { struct meson_card *priv = snd_soc_card_get_drvdata(card); - struct snd_soc_dai_link *pad = &card->dai_link[*index]; + struct snd_soc_dai_link *pad; struct snd_soc_dai_link *lb; struct snd_soc_dai_link_component *dlc; int ret; @@ -114,6 +114,7 @@ static int axg_card_add_tdm_loopback(struct snd_soc_card *card, if (ret) return ret; + pad = &card->dai_link[*index]; lb = &card->dai_link[*index + 1]; lb->name = devm_kasprintf(card->dev, GFP_KERNEL, "%s-lb", pad->name); From 007180fcb6cc4a93211d4cc45fef3f5ccccd56ae Mon Sep 17 00:00:00 2001 From: "T.J. Mercier" Date: Fri, 30 Aug 2024 19:26:26 +0000 Subject: [PATCH 026/649] dma-buf: heaps: Fix off-by-one in CMA heap fault handler commit ea5ff5d351b520524019f7ff7f9ce418de2dad87 upstream. Until VM_DONTEXPAND was added in commit 1c1914d6e8c6 ("dma-buf: heaps: Don't track CMA dma-buf pages under RssFile") it was possible to obtain a mapping larger than the buffer size via mremap and bypass the overflow check in dma_buf_mmap_internal. When using such a mapping to attempt to fault past the end of the buffer, the CMA heap fault handler also checks the fault offset against the buffer size, but gets the boundary wrong by 1. Fix the boundary check so that we don't read off the end of the pages array and insert an arbitrary page in the mapping. Reported-by: Xingyu Jin Fixes: a5d2d29e24be ("dma-buf: heaps: Move heap-helper logic into the cma_heap implementation") Cc: stable@vger.kernel.org # Applicable >= 5.10. Needs adjustments only for 5.10. Signed-off-by: T.J. Mercier Acked-by: John Stultz Signed-off-by: Sumit Semwal Link: https://patchwork.freedesktop.org/patch/msgid/20240830192627.2546033-1-tjmercier@google.com [ TJ: Backport to 5.10. On this kernel the bug is located in dma_heap_vm_fault which is used by both the CMA and system heaps. ] Signed-off-by: T.J. Mercier Signed-off-by: Greg Kroah-Hartman --- drivers/dma-buf/heaps/heap-helpers.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/dma-buf/heaps/heap-helpers.c b/drivers/dma-buf/heaps/heap-helpers.c index d0696cf937af..a852b5e8122f 100644 --- a/drivers/dma-buf/heaps/heap-helpers.c +++ b/drivers/dma-buf/heaps/heap-helpers.c @@ -161,7 +161,7 @@ static vm_fault_t dma_heap_vm_fault(struct vm_fault *vmf) struct vm_area_struct *vma = vmf->vma; struct heap_helper_buffer *buffer = vma->vm_private_data; - if (vmf->pgoff > buffer->pagecount) + if (vmf->pgoff >= buffer->pagecount) return VM_FAULT_SIGBUS; vmf->page = buffer->pages[vmf->pgoff]; From 0f4da063a1c6b87c83cdf443ceffab88abf21b4d Mon Sep 17 00:00:00 2001 From: Hongbo Li Date: Wed, 21 Aug 2024 14:19:54 +0800 Subject: [PATCH 027/649] ASoC: allow module autoloading for table db1200_pids [ Upstream commit 0e9fdab1e8df490354562187cdbb8dec643eae2c ] Add MODULE_DEVICE_TABLE(), so modules could be properly autoloaded based on the alias from platform_device_id table. Signed-off-by: Hongbo Li Link: https://patch.msgid.link/20240821061955.2273782-2-lihongbo22@huawei.com Signed-off-by: Mark Brown Signed-off-by: Sasha Levin --- sound/soc/au1x/db1200.c | 1 + 1 file changed, 1 insertion(+) diff --git a/sound/soc/au1x/db1200.c b/sound/soc/au1x/db1200.c index 5f8baad37a40..48243164b7ac 100644 --- a/sound/soc/au1x/db1200.c +++ b/sound/soc/au1x/db1200.c @@ -44,6 +44,7 @@ static const struct platform_device_id db1200_pids[] = { }, {}, }; +MODULE_DEVICE_TABLE(platform, db1200_pids); /*------------------------- AC97 PART ---------------------------*/ From fff183aa3c83b65d4c170edcd05ef154cfa0e535 Mon Sep 17 00:00:00 2001 From: Kailang Yang Date: Thu, 22 Aug 2024 10:54:19 +0800 Subject: [PATCH 028/649] ALSA: hda/realtek - Fixed ALC256 headphone no sound [ Upstream commit 9b82ff1362f50914c8292902e07be98a9f59d33d ] Dell platform, plug headphone or headset, it had a chance to get no sound from headphone. Replace depop procedure will solve this issue. Signed-off-by: Kailang Yang Link: https://lore.kernel.org/bb8e2de30d294dc287944efa0667685a@realtek.com Signed-off-by: Takashi Iwai Signed-off-by: Sasha Levin --- sound/pci/hda/patch_realtek.c | 50 ++++++++++++++++++++++++++--------- 1 file changed, 37 insertions(+), 13 deletions(-) diff --git a/sound/pci/hda/patch_realtek.c b/sound/pci/hda/patch_realtek.c index c104a33b3e8f..a952888b5b8a 100644 --- a/sound/pci/hda/patch_realtek.c +++ b/sound/pci/hda/patch_realtek.c @@ -4846,6 +4846,30 @@ static void alc269_fixup_hp_line1_mic1_led(struct hda_codec *codec, } } +static void alc_hp_mute_disable(struct hda_codec *codec, unsigned int delay) +{ + if (delay <= 0) + delay = 75; + snd_hda_codec_write(codec, 0x21, 0, + AC_VERB_SET_AMP_GAIN_MUTE, AMP_OUT_MUTE); + msleep(delay); + snd_hda_codec_write(codec, 0x21, 0, + AC_VERB_SET_PIN_WIDGET_CONTROL, 0x0); + msleep(delay); +} + +static void alc_hp_enable_unmute(struct hda_codec *codec, unsigned int delay) +{ + if (delay <= 0) + delay = 75; + snd_hda_codec_write(codec, 0x21, 0, + AC_VERB_SET_PIN_WIDGET_CONTROL, PIN_OUT); + msleep(delay); + snd_hda_codec_write(codec, 0x21, 0, + AC_VERB_SET_AMP_GAIN_MUTE, AMP_OUT_UNMUTE); + msleep(delay); +} + static const struct coef_fw alc225_pre_hsmode[] = { UPDATE_COEF(0x4a, 1<<8, 0), UPDATE_COEFEX(0x57, 0x05, 1<<14, 0), @@ -4947,6 +4971,7 @@ static void alc_headset_mode_unplugged(struct hda_codec *codec) case 0x10ec0236: case 0x10ec0256: case 0x19e58326: + alc_hp_mute_disable(codec, 75); alc_process_coef_fw(codec, coef0256); break; case 0x10ec0234: @@ -5218,6 +5243,7 @@ static void alc_headset_mode_default(struct hda_codec *codec) alc_write_coef_idx(codec, 0x45, 0xc089); msleep(50); alc_process_coef_fw(codec, coef0256); + alc_hp_enable_unmute(codec, 75); break; case 0x10ec0234: case 0x10ec0274: @@ -5315,6 +5341,7 @@ static void alc_headset_mode_ctia(struct hda_codec *codec) case 0x10ec0256: case 0x19e58326: alc_process_coef_fw(codec, coef0256); + alc_hp_enable_unmute(codec, 75); break; case 0x10ec0234: case 0x10ec0274: @@ -5430,6 +5457,7 @@ static void alc_headset_mode_omtp(struct hda_codec *codec) case 0x10ec0256: case 0x19e58326: alc_process_coef_fw(codec, coef0256); + alc_hp_enable_unmute(codec, 75); break; case 0x10ec0234: case 0x10ec0274: @@ -5535,25 +5563,21 @@ static void alc_determine_headset_type(struct hda_codec *codec) alc_write_coef_idx(codec, 0x06, 0x6104); alc_write_coefex_idx(codec, 0x57, 0x3, 0x09a3); - snd_hda_codec_write(codec, 0x21, 0, - AC_VERB_SET_AMP_GAIN_MUTE, AMP_OUT_MUTE); - msleep(80); - snd_hda_codec_write(codec, 0x21, 0, - AC_VERB_SET_PIN_WIDGET_CONTROL, 0x0); - alc_process_coef_fw(codec, coef0255); msleep(300); val = alc_read_coef_idx(codec, 0x46); is_ctia = (val & 0x0070) == 0x0070; - + if (!is_ctia) { + alc_write_coef_idx(codec, 0x45, 0xe089); + msleep(100); + val = alc_read_coef_idx(codec, 0x46); + if ((val & 0x0070) == 0x0070) + is_ctia = false; + else + is_ctia = true; + } alc_write_coefex_idx(codec, 0x57, 0x3, 0x0da3); alc_update_coefex_idx(codec, 0x57, 0x5, 1<<14, 0); - - snd_hda_codec_write(codec, 0x21, 0, - AC_VERB_SET_PIN_WIDGET_CONTROL, PIN_OUT); - msleep(80); - snd_hda_codec_write(codec, 0x21, 0, - AC_VERB_SET_AMP_GAIN_MUTE, AMP_OUT_UNMUTE); break; case 0x10ec0234: case 0x10ec0274: From 609260542cf86b459c57618b8cdec8020394b7ad Mon Sep 17 00:00:00 2001 From: Han Xu Date: Wed, 11 Sep 2024 16:11:45 -0500 Subject: [PATCH 029/649] spi: nxp-fspi: fix the KASAN report out-of-bounds bug commit 2a8787c1cdc7be24fdd8953ecd1a8743a1006235 upstream. Change the memcpy length to fix the out-of-bounds issue when writing the data that is not 4 byte aligned to TX FIFO. To reproduce the issue, write 3 bytes data to NOR chip. dd if=3b of=/dev/mtd0 [ 36.926103] ================================================================== [ 36.933409] BUG: KASAN: slab-out-of-bounds in nxp_fspi_exec_op+0x26ec/0x2838 [ 36.940514] Read of size 4 at addr ffff00081037c2a0 by task dd/455 [ 36.946721] [ 36.948235] CPU: 3 UID: 0 PID: 455 Comm: dd Not tainted 6.11.0-rc5-gc7b0e37c8434 #1070 [ 36.956185] Hardware name: Freescale i.MX8QM MEK (DT) [ 36.961260] Call trace: [ 36.963723] dump_backtrace+0x90/0xe8 [ 36.967414] show_stack+0x18/0x24 [ 36.970749] dump_stack_lvl+0x78/0x90 [ 36.974451] print_report+0x114/0x5cc [ 36.978151] kasan_report+0xa4/0xf0 [ 36.981670] __asan_report_load_n_noabort+0x1c/0x28 [ 36.986587] nxp_fspi_exec_op+0x26ec/0x2838 [ 36.990800] spi_mem_exec_op+0x8ec/0xd30 [ 36.994762] spi_mem_no_dirmap_read+0x190/0x1e0 [ 36.999323] spi_mem_dirmap_write+0x238/0x32c [ 37.003710] spi_nor_write_data+0x220/0x374 [ 37.007932] spi_nor_write+0x110/0x2e8 [ 37.011711] mtd_write_oob_std+0x154/0x1f0 [ 37.015838] mtd_write_oob+0x104/0x1d0 [ 37.019617] mtd_write+0xb8/0x12c [ 37.022953] mtdchar_write+0x224/0x47c [ 37.026732] vfs_write+0x1e4/0x8c8 [ 37.030163] ksys_write+0xec/0x1d0 [ 37.033586] __arm64_sys_write+0x6c/0x9c [ 37.037539] invoke_syscall+0x6c/0x258 [ 37.041327] el0_svc_common.constprop.0+0x160/0x22c [ 37.046244] do_el0_svc+0x44/0x5c [ 37.049589] el0_svc+0x38/0x78 [ 37.052681] el0t_64_sync_handler+0x13c/0x158 [ 37.057077] el0t_64_sync+0x190/0x194 [ 37.060775] [ 37.062274] Allocated by task 455: [ 37.065701] kasan_save_stack+0x2c/0x54 [ 37.069570] kasan_save_track+0x20/0x3c [ 37.073438] kasan_save_alloc_info+0x40/0x54 [ 37.077736] __kasan_kmalloc+0xa0/0xb8 [ 37.081515] __kmalloc_noprof+0x158/0x2f8 [ 37.085563] mtd_kmalloc_up_to+0x120/0x154 [ 37.089690] mtdchar_write+0x130/0x47c [ 37.093469] vfs_write+0x1e4/0x8c8 [ 37.096901] ksys_write+0xec/0x1d0 [ 37.100332] __arm64_sys_write+0x6c/0x9c [ 37.104287] invoke_syscall+0x6c/0x258 [ 37.108064] el0_svc_common.constprop.0+0x160/0x22c [ 37.112972] do_el0_svc+0x44/0x5c [ 37.116319] el0_svc+0x38/0x78 [ 37.119401] el0t_64_sync_handler+0x13c/0x158 [ 37.123788] el0t_64_sync+0x190/0x194 [ 37.127474] [ 37.128977] The buggy address belongs to the object at ffff00081037c2a0 [ 37.128977] which belongs to the cache kmalloc-8 of size 8 [ 37.141177] The buggy address is located 0 bytes inside of [ 37.141177] allocated 3-byte region [ffff00081037c2a0, ffff00081037c2a3) [ 37.153465] [ 37.154971] The buggy address belongs to the physical page: [ 37.160559] page: refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x89037c [ 37.168596] flags: 0xbfffe0000000000(node=0|zone=2|lastcpupid=0x1ffff) [ 37.175149] page_type: 0xfdffffff(slab) [ 37.179021] raw: 0bfffe0000000000 ffff000800002500 dead000000000122 0000000000000000 [ 37.186788] raw: 0000000000000000 0000000080800080 00000001fdffffff 0000000000000000 [ 37.194553] page dumped because: kasan: bad access detected [ 37.200144] [ 37.201647] Memory state around the buggy address: [ 37.206460] ffff00081037c180: fa fc fc fc fa fc fc fc fa fc fc fc fa fc fc fc [ 37.213701] ffff00081037c200: fa fc fc fc 05 fc fc fc 03 fc fc fc 02 fc fc fc [ 37.220946] >ffff00081037c280: 06 fc fc fc 03 fc fc fc fc fc fc fc fc fc fc fc [ 37.228186] ^ [ 37.232473] ffff00081037c300: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 37.239718] ffff00081037c380: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 37.246962] ================================================================== [ 37.254394] Disabling lock debugging due to kernel taint 0+1 records in 0+1 records out 3 bytes copied, 0.335911 s, 0.0 kB/s Fixes: a5356aef6a90 ("spi: spi-mem: Add driver for NXP FlexSPI controller") Cc: stable@kernel.org Signed-off-by: Han Xu Link: https://patch.msgid.link/20240911211146.3337068-1-han.xu@nxp.com Signed-off-by: Mark Brown Signed-off-by: Greg Kroah-Hartman --- drivers/spi/spi-nxp-fspi.c | 5 +++-- 1 file changed, 3 insertions(+), 2 deletions(-) diff --git a/drivers/spi/spi-nxp-fspi.c b/drivers/spi/spi-nxp-fspi.c index f40b93960b89..d5c62c6e03d3 100644 --- a/drivers/spi/spi-nxp-fspi.c +++ b/drivers/spi/spi-nxp-fspi.c @@ -731,14 +731,15 @@ static void nxp_fspi_fill_txfifo(struct nxp_fspi *f, if (i < op->data.nbytes) { u32 data = 0; int j; + int remaining = op->data.nbytes - i; /* Wait for TXFIFO empty */ ret = fspi_readl_poll_tout(f, f->iobase + FSPI_INTR, FSPI_INTR_IPTXWE, 0, POLL_TOUT, true); WARN_ON(ret); - for (j = 0; j < ALIGN(op->data.nbytes - i, 4); j += 4) { - memcpy(&data, buf + i + j, 4); + for (j = 0; j < ALIGN(remaining, 4); j += 4) { + memcpy(&data, buf + i + j, min_t(int, 4, remaining - j)); fspi_writel(f, data, base + FSPI_TFDR + j); } fspi_writel(f, FSPI_INTR_IPTXWE, base + FSPI_INTR); From 9f08d024eda5b0a41dcfa2be2c0b5b272a5bee29 Mon Sep 17 00:00:00 2001 From: Kailang Yang Date: Thu, 22 Aug 2024 16:46:56 +0800 Subject: [PATCH 030/649] ALSA: hda/realtek - FIxed ALC285 headphone no sound [ Upstream commit 1fa7b099d60ad64f559bd3b8e3f0d94b2e015514 ] Dell platform with ALC215 ALC285 ALC289 ALC225 ALC295 ALC299, plug headphone or headset. It had a chance to get no sound from headphone. Replace depop procedure will solve this issue. Signed-off-by: Kailang Yang Link: https://lore.kernel.org/d0de1b03fd174520945dde216d765223@realtek.com Signed-off-by: Takashi Iwai Signed-off-by: Sasha Levin --- sound/pci/hda/patch_realtek.c | 26 ++++++++++++++------------ 1 file changed, 14 insertions(+), 12 deletions(-) diff --git a/sound/pci/hda/patch_realtek.c b/sound/pci/hda/patch_realtek.c index a952888b5b8a..d6ebde90f082 100644 --- a/sound/pci/hda/patch_realtek.c +++ b/sound/pci/hda/patch_realtek.c @@ -5006,6 +5006,7 @@ static void alc_headset_mode_unplugged(struct hda_codec *codec) case 0x10ec0295: case 0x10ec0289: case 0x10ec0299: + alc_hp_mute_disable(codec, 75); alc_process_coef_fw(codec, alc225_pre_hsmode); alc_process_coef_fw(codec, coef0225); break; @@ -5231,6 +5232,7 @@ static void alc_headset_mode_default(struct hda_codec *codec) case 0x10ec0299: alc_process_coef_fw(codec, alc225_pre_hsmode); alc_process_coef_fw(codec, coef0225); + alc_hp_enable_unmute(codec, 75); break; case 0x10ec0255: alc_process_coef_fw(codec, coef0255); @@ -5390,6 +5392,7 @@ static void alc_headset_mode_ctia(struct hda_codec *codec) alc_process_coef_fw(codec, coef0225_2); else alc_process_coef_fw(codec, coef0225_1); + alc_hp_enable_unmute(codec, 75); break; case 0x10ec0867: alc_update_coefex_idx(codec, 0x57, 0x5, 1<<14, 0); @@ -5495,6 +5498,7 @@ static void alc_headset_mode_omtp(struct hda_codec *codec) case 0x10ec0289: case 0x10ec0299: alc_process_coef_fw(codec, coef0225); + alc_hp_enable_unmute(codec, 75); break; } codec_dbg(codec, "Headset jack set to Nokia-style headset mode.\n"); @@ -5654,12 +5658,6 @@ static void alc_determine_headset_type(struct hda_codec *codec) case 0x10ec0295: case 0x10ec0289: case 0x10ec0299: - snd_hda_codec_write(codec, 0x21, 0, - AC_VERB_SET_AMP_GAIN_MUTE, AMP_OUT_MUTE); - msleep(80); - snd_hda_codec_write(codec, 0x21, 0, - AC_VERB_SET_PIN_WIDGET_CONTROL, 0x0); - alc_process_coef_fw(codec, alc225_pre_hsmode); alc_update_coef_idx(codec, 0x67, 0xf000, 0x1000); val = alc_read_coef_idx(codec, 0x45); @@ -5676,15 +5674,19 @@ static void alc_determine_headset_type(struct hda_codec *codec) val = alc_read_coef_idx(codec, 0x46); is_ctia = (val & 0x00f0) == 0x00f0; } + if (!is_ctia) { + alc_update_coef_idx(codec, 0x45, 0x3f<<10, 0x38<<10); + alc_update_coef_idx(codec, 0x49, 3<<8, 1<<8); + msleep(100); + val = alc_read_coef_idx(codec, 0x46); + if ((val & 0x00f0) == 0x00f0) + is_ctia = false; + else + is_ctia = true; + } alc_update_coef_idx(codec, 0x4a, 7<<6, 7<<6); alc_update_coef_idx(codec, 0x4a, 3<<4, 3<<4); alc_update_coef_idx(codec, 0x67, 0xf000, 0x3000); - - snd_hda_codec_write(codec, 0x21, 0, - AC_VERB_SET_PIN_WIDGET_CONTROL, PIN_OUT); - msleep(80); - snd_hda_codec_write(codec, 0x21, 0, - AC_VERB_SET_AMP_GAIN_MUTE, AMP_OUT_UNMUTE); break; case 0x10ec0867: is_ctia = true; From ae96b02b9debc961b11fad91fc49e067e998a1bb Mon Sep 17 00:00:00 2001 From: Krzysztof Kozlowski Date: Mon, 9 Sep 2024 18:47:46 +0200 Subject: [PATCH 031/649] soundwire: stream: Revert "soundwire: stream: fix programming slave ports for non-continous port maps" commit 233a95fd574fde1c375c486540a90304a2d2d49f upstream. This reverts commit ab8d66d132bc8f1992d3eb6cab8d32dda6733c84 because it breaks codecs using non-continuous masks in source and sink ports. The commit missed the point that port numbers are not used as indices for iterating over prop.sink_ports or prop.source_ports. Soundwire core and existing codecs expect that the array passed as prop.sink_ports and prop.source_ports is continuous. The port mask still might be non-continuous, but that's unrelated. Reported-by: Bard Liao Closes: https://lore.kernel.org/all/b6c75eee-761d-44c8-8413-2a5b34ee2f98@linux.intel.com/ Fixes: ab8d66d132bc ("soundwire: stream: fix programming slave ports for non-continous port maps") Acked-by: Bard Liao Reviewed-by: Charles Keepax Cc: stable@vger.kernel.org Signed-off-by: Krzysztof Kozlowski Tested-by: Peter Ujfalusi Link: https://lore.kernel.org/r/20240909164746.136629-1-krzysztof.kozlowski@linaro.org Signed-off-by: Vinod Koul Signed-off-by: Greg Kroah-Hartman --- drivers/soundwire/stream.c | 8 ++++---- 1 file changed, 4 insertions(+), 4 deletions(-) diff --git a/drivers/soundwire/stream.c b/drivers/soundwire/stream.c index d8f556f793fc..a377c3d02c55 100644 --- a/drivers/soundwire/stream.c +++ b/drivers/soundwire/stream.c @@ -1425,18 +1425,18 @@ struct sdw_dpn_prop *sdw_get_slave_dpn_prop(struct sdw_slave *slave, unsigned int port_num) { struct sdw_dpn_prop *dpn_prop; - unsigned long mask; + u8 num_ports; int i; if (direction == SDW_DATA_DIR_TX) { - mask = slave->prop.source_ports; + num_ports = hweight32(slave->prop.source_ports); dpn_prop = slave->prop.src_dpn_prop; } else { - mask = slave->prop.sink_ports; + num_ports = hweight32(slave->prop.sink_ports); dpn_prop = slave->prop.sink_dpn_prop; } - for_each_set_bit(i, &mask, 32) { + for (i = 0; i < num_ports; i++) { if (dpn_prop[i].num == port_num) return &dpn_prop[i]; } From 2e5052143c28aab36df25029fad5424371350593 Mon Sep 17 00:00:00 2001 From: Thomas Blocher Date: Wed, 31 Jul 2024 01:16:26 +0200 Subject: [PATCH 032/649] pinctrl: at91: make it work with current gpiolib [ Upstream commit 752f387faaae0ae2e84d3f496922524785e77d60 ] pinctrl-at91 currently does not support the gpio-groups devicetree property and has no pin-range. Because of this at91 gpios stopped working since patch commit 2ab73c6d8323fa1e ("gpio: Support GPIO controllers without pin-ranges") This was discussed in the patches commit fc328a7d1fcce263 ("gpio: Revert regression in sysfs-gpio (gpiolib.c)") commit 56e337f2cf132632 ("Revert "gpio: Revert regression in sysfs-gpio (gpiolib.c)"") As a workaround manually set pin-range via gpiochip_add_pin_range() until a) pinctrl-at91 is reworked to support devicetree gpio-groups b) another solution as mentioned in commit 56e337f2cf132632 ("Revert "gpio: Revert regression in sysfs-gpio (gpiolib.c)"") is found Signed-off-by: Thomas Blocher Link: https://lore.kernel.org/5b992862-355d-f0de-cd3d-ff99e67a4ff1@ek-dev.de Signed-off-by: Linus Walleij Signed-off-by: Sasha Levin --- drivers/pinctrl/pinctrl-at91.c | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-) diff --git a/drivers/pinctrl/pinctrl-at91.c b/drivers/pinctrl/pinctrl-at91.c index 52ecd47c18e2..bb9348f14b1b 100644 --- a/drivers/pinctrl/pinctrl-at91.c +++ b/drivers/pinctrl/pinctrl-at91.c @@ -1401,8 +1401,11 @@ static int at91_pinctrl_probe(struct platform_device *pdev) /* We will handle a range of GPIO pins */ for (i = 0; i < gpio_banks; i++) - if (gpio_chips[i]) + if (gpio_chips[i]) { pinctrl_add_gpio_range(info->pctl, &gpio_chips[i]->range); + gpiochip_add_pin_range(&gpio_chips[i]->chip, dev_name(info->pctl->dev), 0, + gpio_chips[i]->range.pin_base, gpio_chips[i]->range.npins); + } dev_info(&pdev->dev, "initialized AT91 pinctrl driver\n"); From 1a8e85289e2973714de2c3a7992db0b7687c914c Mon Sep 17 00:00:00 2001 From: Mike Rapoport Date: Mon, 29 Jul 2024 08:33:27 +0300 Subject: [PATCH 033/649] microblaze: don't treat zero reserved memory regions as error [ Upstream commit 0075df288dd8a7abfe03b3766176c393063591dd ] Before commit 721f4a6526da ("mm/memblock: remove empty dummy entry") the check for non-zero of memblock.reserved.cnt in mmu_init() would always be true either because memblock.reserved.cnt is initialized to 1 or because there were memory reservations earlier. The removal of dummy empty entry in memblock caused this check to fail because now memblock.reserved.cnt is initialized to 0. Remove the check for non-zero of memblock.reserved.cnt because it's perfectly fine to have an empty memblock.reserved array that early in boot. Reported-by: Guenter Roeck Signed-off-by: Mike Rapoport Reviewed-by: Wei Yang Tested-by: Guenter Roeck Link: https://lore.kernel.org/r/20240729053327.4091459-1-rppt@kernel.org Signed-off-by: Guenter Roeck Signed-off-by: Sasha Levin --- arch/microblaze/mm/init.c | 5 ----- 1 file changed, 5 deletions(-) diff --git a/arch/microblaze/mm/init.c b/arch/microblaze/mm/init.c index 45da639bd22c..a2cd139c5eb4 100644 --- a/arch/microblaze/mm/init.c +++ b/arch/microblaze/mm/init.c @@ -245,11 +245,6 @@ asmlinkage void __init mmu_init(void) { unsigned int kstart, ksize; - if (!memblock.reserved.cnt) { - pr_emerg("Error memory count\n"); - machine_restart(NULL); - } - if ((u32) memblock.memory.regions[0].size < 0x400000) { pr_emerg("Memory must be greater than 4MB\n"); machine_restart(NULL); From dd34ef88d58cf9f72025736f3f35b9621fc20754 Mon Sep 17 00:00:00 2001 From: Jacky Chou Date: Thu, 22 Aug 2024 15:30:06 +0800 Subject: [PATCH 034/649] net: ftgmac100: Ensure tx descriptor updates are visible [ Upstream commit 4186c8d9e6af57bab0687b299df10ebd47534a0a ] The driver must ensure TX descriptor updates are visible before updating TX pointer and TX clear pointer. This resolves TX hangs observed on AST2600 when running iperf3. Signed-off-by: Jacky Chou Signed-off-by: David S. Miller Signed-off-by: Sasha Levin --- drivers/net/ethernet/faraday/ftgmac100.c | 26 ++++++++++++++++-------- 1 file changed, 18 insertions(+), 8 deletions(-) diff --git a/drivers/net/ethernet/faraday/ftgmac100.c b/drivers/net/ethernet/faraday/ftgmac100.c index 969af4dd6405..bc9a7f2d2350 100644 --- a/drivers/net/ethernet/faraday/ftgmac100.c +++ b/drivers/net/ethernet/faraday/ftgmac100.c @@ -569,7 +569,7 @@ static bool ftgmac100_rx_packet(struct ftgmac100 *priv, int *processed) (*processed)++; return true; - drop: +drop: /* Clean rxdes0 (which resets own bit) */ rxdes->rxdes0 = cpu_to_le32(status & priv->rxdes0_edorr_mask); priv->rx_pointer = ftgmac100_next_rx_pointer(priv, pointer); @@ -653,6 +653,11 @@ static bool ftgmac100_tx_complete_packet(struct ftgmac100 *priv) ftgmac100_free_tx_packet(priv, pointer, skb, txdes, ctl_stat); txdes->txdes0 = cpu_to_le32(ctl_stat & priv->txdes0_edotr_mask); + /* Ensure the descriptor config is visible before setting the tx + * pointer. + */ + smp_wmb(); + priv->tx_clean_pointer = ftgmac100_next_tx_pointer(priv, pointer); return true; @@ -806,6 +811,11 @@ static netdev_tx_t ftgmac100_hard_start_xmit(struct sk_buff *skb, dma_wmb(); first->txdes0 = cpu_to_le32(f_ctl_stat); + /* Ensure the descriptor config is visible before setting the tx + * pointer. + */ + smp_wmb(); + /* Update next TX pointer */ priv->tx_pointer = pointer; @@ -826,7 +836,7 @@ static netdev_tx_t ftgmac100_hard_start_xmit(struct sk_buff *skb, return NETDEV_TX_OK; - dma_err: +dma_err: if (net_ratelimit()) netdev_err(netdev, "map tx fragment failed\n"); @@ -848,7 +858,7 @@ static netdev_tx_t ftgmac100_hard_start_xmit(struct sk_buff *skb, * last fragment, so we know ftgmac100_free_tx_packet() * hasn't freed the skb yet. */ - drop: +drop: /* Drop the packet */ dev_kfree_skb_any(skb); netdev->stats.tx_dropped++; @@ -1419,7 +1429,7 @@ static void ftgmac100_reset_task(struct work_struct *work) ftgmac100_init_all(priv, true); netdev_dbg(netdev, "Reset done !\n"); - bail: +bail: if (priv->mii_bus) mutex_unlock(&priv->mii_bus->mdio_lock); if (netdev->phydev) @@ -1490,15 +1500,15 @@ static int ftgmac100_open(struct net_device *netdev) return 0; - err_ncsi: +err_ncsi: napi_disable(&priv->napi); netif_stop_queue(netdev); - err_alloc: +err_alloc: ftgmac100_free_buffers(priv); free_irq(netdev->irq, netdev); - err_irq: +err_irq: netif_napi_del(&priv->napi); - err_hw: +err_hw: iowrite32(0, priv->base + FTGMAC100_OFFSET_IER); ftgmac100_free_rings(priv); return err; From db81677f4b6cbf4baa4b5ce357370e88de7f5002 Mon Sep 17 00:00:00 2001 From: Benjamin Berg Date: Sun, 25 Aug 2024 19:17:13 +0300 Subject: [PATCH 035/649] wifi: iwlwifi: lower message level for FW buffer destination [ Upstream commit f8a129c1e10256c785164ed5efa5d17d45fbd81b ] An invalid buffer destination is not a problem for the driver and it does not make sense to report it with the KERN_ERR message level. As such, change the message to use IWL_DEBUG_FW. Reported-by: Len Brown Closes: https://lore.kernel.org/r/CAJvTdKkcxJss=DM2sxgv_MR5BeZ4_OC-3ad6tA40TYH2yqHCWw@mail.gmail.com Signed-off-by: Benjamin Berg Signed-off-by: Miri Korenblit Link: https://patch.msgid.link/20240825191257.20abf78f05bc.Ifbcecc2ae9fb40b9698302507dcba8b922c8d856@changeid Signed-off-by: Johannes Berg Signed-off-by: Sasha Levin --- drivers/net/wireless/intel/iwlwifi/pcie/ctxt-info-gen3.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/drivers/net/wireless/intel/iwlwifi/pcie/ctxt-info-gen3.c b/drivers/net/wireless/intel/iwlwifi/pcie/ctxt-info-gen3.c index 56f63f5f5dd3..2afa5c91bc76 100644 --- a/drivers/net/wireless/intel/iwlwifi/pcie/ctxt-info-gen3.c +++ b/drivers/net/wireless/intel/iwlwifi/pcie/ctxt-info-gen3.c @@ -111,7 +111,8 @@ iwl_pcie_ctxt_info_dbg_enable(struct iwl_trans *trans, } break; default: - IWL_ERR(trans, "WRT: Invalid buffer destination\n"); + IWL_DEBUG_FW(trans, "WRT: Invalid buffer destination (%d)\n", + le32_to_cpu(fw_mon_cfg->buf_location)); } out: if (dbg_flags) From de46b1d24f5f752b3bd8b46673c2ea4239661244 Mon Sep 17 00:00:00 2001 From: Emmanuel Grumbach Date: Sun, 25 Aug 2024 19:17:04 +0300 Subject: [PATCH 036/649] wifi: iwlwifi: mvm: don't wait for tx queues if firmware is dead [ Upstream commit 3a84454f5204718ca5b4ad2c1f0bf2031e2403d1 ] There is a WARNING in iwl_trans_wait_tx_queues_empty() (that was recently converted from just a message), that can be hit if we wait for TX queues to become empty after firmware died. Clearly, we can't expect anything from the firmware after it's declared dead. Don't call iwl_trans_wait_tx_queues_empty() in this case. While it could be a good idea to stop the flow earlier, the flush functions do some maintenance work that is not related to the firmware, so keep that part of the code running even when the firmware is not running. Signed-off-by: Emmanuel Grumbach Signed-off-by: Miri Korenblit Link: https://patch.msgid.link/20240825191257.a7cbd794cee9.I44a739fbd4ffcc46b83844dd1c7b2eb0c7b270f6@changeid [edit commit message] Signed-off-by: Johannes Berg Signed-off-by: Sasha Levin --- drivers/net/wireless/intel/iwlwifi/mvm/mac80211.c | 9 ++++++++- 1 file changed, 8 insertions(+), 1 deletion(-) diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/mac80211.c b/drivers/net/wireless/intel/iwlwifi/mvm/mac80211.c index 08008b0c0637..fa784d835290 100644 --- a/drivers/net/wireless/intel/iwlwifi/mvm/mac80211.c +++ b/drivers/net/wireless/intel/iwlwifi/mvm/mac80211.c @@ -4747,6 +4747,10 @@ static void iwl_mvm_flush_no_vif(struct iwl_mvm *mvm, u32 queues, bool drop) int i; if (!iwl_mvm_has_new_tx_api(mvm)) { + /* we can't ask the firmware anything if it is dead */ + if (test_bit(IWL_MVM_STATUS_HW_RESTART_REQUESTED, + &mvm->status)) + return; if (drop) { mutex_lock(&mvm->mutex); iwl_mvm_flush_tx_path(mvm, @@ -4828,8 +4832,11 @@ static void iwl_mvm_mac_flush(struct ieee80211_hw *hw, /* this can take a while, and we may need/want other operations * to succeed while doing this, so do it without the mutex held + * If the firmware is dead, this can't work... */ - if (!drop && !iwl_mvm_has_new_tx_api(mvm)) + if (!drop && !iwl_mvm_has_new_tx_api(mvm) && + !test_bit(IWL_MVM_STATUS_HW_RESTART_REQUESTED, + &mvm->status)) iwl_trans_wait_tx_queues_empty(mvm->trans, msk); } From 9c6d4649f2dc56ec328d0f6ad0111a18ca7ac902 Mon Sep 17 00:00:00 2001 From: Liao Chen Date: Mon, 26 Aug 2024 08:49:21 +0000 Subject: [PATCH 037/649] ASoC: intel: fix module autoloading [ Upstream commit ae61a3391088d29aa8605c9f2db84295ab993a49 ] Add MODULE_DEVICE_TABLE(), so modules could be properly autoloaded based on the alias from of_device_id table. Signed-off-by: Liao Chen Link: https://patch.msgid.link/20240826084924.368387-2-liaochen4@huawei.com Signed-off-by: Mark Brown Signed-off-by: Sasha Levin --- sound/soc/intel/keembay/kmb_platform.c | 1 + 1 file changed, 1 insertion(+) diff --git a/sound/soc/intel/keembay/kmb_platform.c b/sound/soc/intel/keembay/kmb_platform.c index 291a686568c2..c7b754034d24 100644 --- a/sound/soc/intel/keembay/kmb_platform.c +++ b/sound/soc/intel/keembay/kmb_platform.c @@ -634,6 +634,7 @@ static const struct of_device_id kmb_plat_of_match[] = { { .compatible = "intel,keembay-tdm", .data = &intel_kmb_tdm_dai}, {} }; +MODULE_DEVICE_TABLE(of, kmb_plat_of_match); static int kmb_plat_dai_probe(struct platform_device *pdev) { From 3d39061b7b92ba51763cc2e476534ea210901a6a Mon Sep 17 00:00:00 2001 From: Liao Chen Date: Mon, 26 Aug 2024 08:49:23 +0000 Subject: [PATCH 038/649] ASoC: tda7419: fix module autoloading [ Upstream commit 934b44589da9aa300201a00fe139c5c54f421563 ] Add MODULE_DEVICE_TABLE(), so modules could be properly autoloaded based on the alias from of_device_id table. Signed-off-by: Liao Chen Link: https://patch.msgid.link/20240826084924.368387-4-liaochen4@huawei.com Signed-off-by: Mark Brown Signed-off-by: Sasha Levin --- sound/soc/codecs/tda7419.c | 1 + 1 file changed, 1 insertion(+) diff --git a/sound/soc/codecs/tda7419.c b/sound/soc/codecs/tda7419.c index 83d220054c96..9183db51547d 100644 --- a/sound/soc/codecs/tda7419.c +++ b/sound/soc/codecs/tda7419.c @@ -624,6 +624,7 @@ static const struct of_device_id tda7419_of_match[] = { { .compatible = "st,tda7419" }, { }, }; +MODULE_DEVICE_TABLE(of, tda7419_of_match); static struct i2c_driver tda7419_driver = { .driver = { From 040511d9f28263bfd01313b16c0609aa32724fa7 Mon Sep 17 00:00:00 2001 From: "hongchi.peng" Date: Mon, 26 Aug 2024 10:45:17 +0800 Subject: [PATCH 039/649] drm: komeda: Fix an issue related to normalized zpos [ Upstream commit 258905cb9a6414be5c9ca4aa20ef855f8dc894d4 ] We use komeda_crtc_normalize_zpos to normalize zpos of affected planes to their blending zorder in CU. If there's only one slave plane in affected planes and its layer_split property is enabled, order++ for its split layer, so that when calculating the normalized_zpos of master planes, the split layer of the slave plane is included, but the max_slave_zorder does not include the split layer and keep zero because there's only one slave plane in affacted planes, although we actually use two slave layers in this commit. In most cases, this bug does not result in a commit failure, but assume the following situation: slave_layer 0: zpos = 0, layer split enabled, normalized_zpos = 0;(use slave_layer 2 as its split layer) master_layer 0: zpos = 2, layer_split enabled, normalized_zpos = 2;(use master_layer 2 as its split layer) master_layer 1: zpos = 4, normalized_zpos = 4; master_layer 3: zpos = 5, normalized_zpos = 5; kcrtc_st->max_slave_zorder = 0; When we use master_layer 3 as a input of CU in function komeda_compiz_set_input and check it with function komeda_component_check_input, the parameter idx is equal to normailzed_zpos minus max_slave_zorder, the value of idx is 5 and is euqal to CU's max_active_inputs, so that komeda_component_check_input returns a -EINVAL value. To fix the bug described above, when calculating the max_slave_zorder with the layer_split enabled, count the split layer in this calculation directly. Signed-off-by: hongchi.peng Acked-by: Liviu Dudau Signed-off-by: Liviu Dudau Link: https://patchwork.freedesktop.org/patch/msgid/20240826024517.3739-1-hongchi.peng@siengine.com Signed-off-by: Sasha Levin --- drivers/gpu/drm/arm/display/komeda/komeda_kms.c | 10 +++++++--- 1 file changed, 7 insertions(+), 3 deletions(-) diff --git a/drivers/gpu/drm/arm/display/komeda/komeda_kms.c b/drivers/gpu/drm/arm/display/komeda/komeda_kms.c index 1f6682032ca4..ac8b7fb20d8f 100644 --- a/drivers/gpu/drm/arm/display/komeda/komeda_kms.c +++ b/drivers/gpu/drm/arm/display/komeda/komeda_kms.c @@ -142,6 +142,7 @@ static int komeda_crtc_normalize_zpos(struct drm_crtc *crtc, struct drm_plane *plane; struct list_head zorder_list; int order = 0, err; + u32 slave_zpos = 0; DRM_DEBUG_ATOMIC("[CRTC:%d:%s] calculating normalized zpos values\n", crtc->base.id, crtc->name); @@ -181,10 +182,13 @@ static int komeda_crtc_normalize_zpos(struct drm_crtc *crtc, plane_st->zpos, plane_st->normalized_zpos); /* calculate max slave zorder */ - if (has_bit(drm_plane_index(plane), kcrtc->slave_planes)) + if (has_bit(drm_plane_index(plane), kcrtc->slave_planes)) { + slave_zpos = plane_st->normalized_zpos; + if (to_kplane_st(plane_st)->layer_split) + slave_zpos++; kcrtc_st->max_slave_zorder = - max(plane_st->normalized_zpos, - kcrtc_st->max_slave_zorder); + max(slave_zpos, kcrtc_st->max_slave_zorder); + } } crtc_st->zpos_changed = true; From bbd11db41be66918d407538bffb6ac6ab07a640a Mon Sep 17 00:00:00 2001 From: Liao Chen Date: Sat, 31 Aug 2024 09:42:31 +0000 Subject: [PATCH 040/649] spi: bcm63xx: Enable module autoloading [ Upstream commit 709df70a20e990d262c473ad9899314039e8ec82 ] Add MODULE_DEVICE_TABLE(), so modules could be properly autoloaded based on the alias from of_device_id table. Signed-off-by: Liao Chen Link: https://patch.msgid.link/20240831094231.795024-1-liaochen4@huawei.com Signed-off-by: Mark Brown Signed-off-by: Sasha Levin --- drivers/spi/spi-bcm63xx.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/spi/spi-bcm63xx.c b/drivers/spi/spi-bcm63xx.c index d36384fef0d7..5f7eb0e613cd 100644 --- a/drivers/spi/spi-bcm63xx.c +++ b/drivers/spi/spi-bcm63xx.c @@ -482,6 +482,7 @@ static const struct of_device_id bcm63xx_spi_of_match[] = { { .compatible = "brcm,bcm6358-spi", .data = &bcm6358_spi_reg_offsets }, { }, }; +MODULE_DEVICE_TABLE(of, bcm63xx_spi_of_match); static int bcm63xx_spi_probe(struct platform_device *pdev) { From d5624db2326cde65a0c1a18d1fc1d6fccee34389 Mon Sep 17 00:00:00 2001 From: Michael Kelley Date: Wed, 5 Jun 2024 19:55:59 -0700 Subject: [PATCH 041/649] x86/hyperv: Set X86_FEATURE_TSC_KNOWN_FREQ when Hyper-V provides frequency [ Upstream commit 8fcc514809de41153b43ccbe1a0cdf7f72b78e7e ] A Linux guest on Hyper-V gets the TSC frequency from a synthetic MSR, if available. In this case, set X86_FEATURE_TSC_KNOWN_FREQ so that Linux doesn't unnecessarily do refined TSC calibration when setting up the TSC clocksource. With this change, a message such as this is no longer output during boot when the TSC is used as the clocksource: [ 1.115141] tsc: Refined TSC clocksource calibration: 2918.408 MHz Furthermore, the guest and host will have exactly the same view of the TSC frequency, which is important for features such as the TSC deadline timer that are emulated by the Hyper-V host. Signed-off-by: Michael Kelley Reviewed-by: Roman Kisel Link: https://lore.kernel.org/r/20240606025559.1631-1-mhklinux@outlook.com Signed-off-by: Wei Liu Message-ID: <20240606025559.1631-1-mhklinux@outlook.com> Signed-off-by: Sasha Levin --- arch/x86/kernel/cpu/mshyperv.c | 1 + 1 file changed, 1 insertion(+) diff --git a/arch/x86/kernel/cpu/mshyperv.c b/arch/x86/kernel/cpu/mshyperv.c index 021cd067733e..a91aad434d03 100644 --- a/arch/x86/kernel/cpu/mshyperv.c +++ b/arch/x86/kernel/cpu/mshyperv.c @@ -275,6 +275,7 @@ static void __init ms_hyperv_init_platform(void) ms_hyperv.misc_features & HV_FEATURE_FREQUENCY_MSRS_AVAILABLE) { x86_platform.calibrate_tsc = hv_get_tsc_khz; x86_platform.calibrate_cpu = hv_get_tsc_khz; + setup_force_cpu_cap(X86_FEATURE_TSC_KNOWN_FREQ); } if (ms_hyperv.hints & HV_X64_ENLIGHTENED_VMCS_RECOMMENDED) { From 34759b7e4493d7337cbc414c132cef378c492a2c Mon Sep 17 00:00:00 2001 From: Ferry Meng Date: Mon, 20 May 2024 10:40:23 +0800 Subject: [PATCH 042/649] ocfs2: add bounds checking to ocfs2_xattr_find_entry() [ Upstream commit 9e3041fecdc8f78a5900c3aa51d3d756e73264d6 ] Add a paranoia check to make sure it doesn't stray beyond valid memory region containing ocfs2 xattr entries when scanning for a match. It will prevent out-of-bound access in case of crafted images. Link: https://lkml.kernel.org/r/20240520024024.1976129-1-joseph.qi@linux.alibaba.com Signed-off-by: Ferry Meng Signed-off-by: Joseph Qi Reported-by: lei lu Reviewed-by: Joseph Qi Cc: Mark Fasheh Cc: Joel Becker Cc: Junxiao Bi Cc: Changwei Ge Cc: Gang He Cc: Jun Piao Signed-off-by: Andrew Morton Stable-dep-of: af77c4fc1871 ("ocfs2: strict bound check before memcmp in ocfs2_xattr_find_entry()") Signed-off-by: Sasha Levin --- fs/ocfs2/xattr.c | 12 ++++++++---- 1 file changed, 8 insertions(+), 4 deletions(-) diff --git a/fs/ocfs2/xattr.c b/fs/ocfs2/xattr.c index 10df2e1dfef7..31b389d0a09a 100644 --- a/fs/ocfs2/xattr.c +++ b/fs/ocfs2/xattr.c @@ -1068,7 +1068,7 @@ ssize_t ocfs2_listxattr(struct dentry *dentry, return i_ret + b_ret; } -static int ocfs2_xattr_find_entry(int name_index, +static int ocfs2_xattr_find_entry(struct inode *inode, int name_index, const char *name, struct ocfs2_xattr_search *xs) { @@ -1082,6 +1082,10 @@ static int ocfs2_xattr_find_entry(int name_index, name_len = strlen(name); entry = xs->here; for (i = 0; i < le16_to_cpu(xs->header->xh_count); i++) { + if ((void *)entry >= xs->end) { + ocfs2_error(inode->i_sb, "corrupted xattr entries"); + return -EFSCORRUPTED; + } cmp = name_index - ocfs2_xattr_get_type(entry); if (!cmp) cmp = name_len - entry->xe_name_len; @@ -1172,7 +1176,7 @@ static int ocfs2_xattr_ibody_get(struct inode *inode, xs->base = (void *)xs->header; xs->here = xs->header->xh_entries; - ret = ocfs2_xattr_find_entry(name_index, name, xs); + ret = ocfs2_xattr_find_entry(inode, name_index, name, xs); if (ret) return ret; size = le64_to_cpu(xs->here->xe_value_size); @@ -2704,7 +2708,7 @@ static int ocfs2_xattr_ibody_find(struct inode *inode, /* Find the named attribute. */ if (oi->ip_dyn_features & OCFS2_INLINE_XATTR_FL) { - ret = ocfs2_xattr_find_entry(name_index, name, xs); + ret = ocfs2_xattr_find_entry(inode, name_index, name, xs); if (ret && ret != -ENODATA) return ret; xs->not_found = ret; @@ -2839,7 +2843,7 @@ static int ocfs2_xattr_block_find(struct inode *inode, xs->end = (void *)(blk_bh->b_data) + blk_bh->b_size; xs->here = xs->header->xh_entries; - ret = ocfs2_xattr_find_entry(name_index, name, xs); + ret = ocfs2_xattr_find_entry(inode, name_index, name, xs); } else ret = ocfs2_xattr_index_block_find(inode, blk_bh, name_index, From 57a3d89831fcaa2cdbe024b47c7c36d5a56c3637 Mon Sep 17 00:00:00 2001 From: Ferry Meng Date: Mon, 20 May 2024 10:40:24 +0800 Subject: [PATCH 043/649] ocfs2: strict bound check before memcmp in ocfs2_xattr_find_entry() [ Upstream commit af77c4fc1871847b528d58b7fdafb4aa1f6a9262 ] xattr in ocfs2 maybe 'non-indexed', which saved with additional space requested. It's better to check if the memory is out of bound before memcmp, although this possibility mainly comes from crafted poisonous images. Link: https://lkml.kernel.org/r/20240520024024.1976129-2-joseph.qi@linux.alibaba.com Signed-off-by: Ferry Meng Signed-off-by: Joseph Qi Reported-by: lei lu Reviewed-by: Joseph Qi Cc: Changwei Ge Cc: Gang He Cc: Joel Becker Cc: Jun Piao Cc: Junxiao Bi Cc: Mark Fasheh Signed-off-by: Andrew Morton Signed-off-by: Sasha Levin --- fs/ocfs2/xattr.c | 15 ++++++++++----- 1 file changed, 10 insertions(+), 5 deletions(-) diff --git a/fs/ocfs2/xattr.c b/fs/ocfs2/xattr.c index 31b389d0a09a..977a739d5448 100644 --- a/fs/ocfs2/xattr.c +++ b/fs/ocfs2/xattr.c @@ -1074,7 +1074,7 @@ static int ocfs2_xattr_find_entry(struct inode *inode, int name_index, { struct ocfs2_xattr_entry *entry; size_t name_len; - int i, cmp = 1; + int i, name_offset, cmp = 1; if (name == NULL) return -EINVAL; @@ -1089,10 +1089,15 @@ static int ocfs2_xattr_find_entry(struct inode *inode, int name_index, cmp = name_index - ocfs2_xattr_get_type(entry); if (!cmp) cmp = name_len - entry->xe_name_len; - if (!cmp) - cmp = memcmp(name, (xs->base + - le16_to_cpu(entry->xe_name_offset)), - name_len); + if (!cmp) { + name_offset = le16_to_cpu(entry->xe_name_offset); + if ((xs->base + name_offset + name_len) > xs->end) { + ocfs2_error(inode->i_sb, + "corrupted xattr entries"); + return -EFSCORRUPTED; + } + cmp = memcmp(name, (xs->base + name_offset), name_len); + } if (cmp == 0) break; entry += 1; From 45a81667e0e888de88ef0fe44215621fb0556aee Mon Sep 17 00:00:00 2001 From: Yafang Shao Date: Sun, 29 Oct 2023 06:14:29 +0000 Subject: [PATCH 044/649] cgroup: Make operations on the cgroup root_list RCU safe [ Upstream commit d23b5c577715892c87533b13923306acc6243f93 ] At present, when we perform operations on the cgroup root_list, we must hold the cgroup_mutex, which is a relatively heavyweight lock. In reality, we can make operations on this list RCU-safe, eliminating the need to hold the cgroup_mutex during traversal. Modifications to the list only occur in the cgroup root setup and destroy paths, which should be infrequent in a production environment. In contrast, traversal may occur frequently. Therefore, making it RCU-safe would be beneficial. Signed-off-by: Yafang Shao Signed-off-by: Tejun Heo Signed-off-by: Sasha Levin --- include/linux/cgroup-defs.h | 1 + kernel/cgroup/cgroup-internal.h | 3 ++- kernel/cgroup/cgroup.c | 14 +++++++------- 3 files changed, 10 insertions(+), 8 deletions(-) diff --git a/include/linux/cgroup-defs.h b/include/linux/cgroup-defs.h index 6c6323a01d43..e0e03c68000f 100644 --- a/include/linux/cgroup-defs.h +++ b/include/linux/cgroup-defs.h @@ -512,6 +512,7 @@ struct cgroup_root { /* A list running through the active hierarchies */ struct list_head root_list; + struct rcu_head rcu; /* Hierarchy-specific flags */ unsigned int flags; diff --git a/kernel/cgroup/cgroup-internal.h b/kernel/cgroup/cgroup-internal.h index d8fcc139ac05..f38f56b8cc41 100644 --- a/kernel/cgroup/cgroup-internal.h +++ b/kernel/cgroup/cgroup-internal.h @@ -172,7 +172,8 @@ extern struct list_head cgroup_roots; /* iterate across the hierarchies */ #define for_each_root(root) \ - list_for_each_entry((root), &cgroup_roots, root_list) + list_for_each_entry_rcu((root), &cgroup_roots, root_list, \ + lockdep_is_held(&cgroup_mutex)) /** * for_each_subsys - iterate all enabled cgroup subsystems diff --git a/kernel/cgroup/cgroup.c b/kernel/cgroup/cgroup.c index 643d8e178f7b..66970b74106c 100644 --- a/kernel/cgroup/cgroup.c +++ b/kernel/cgroup/cgroup.c @@ -1304,7 +1304,7 @@ static void cgroup_exit_root_id(struct cgroup_root *root) void cgroup_free_root(struct cgroup_root *root) { - kfree(root); + kfree_rcu(root, rcu); } static void cgroup_destroy_root(struct cgroup_root *root) @@ -1337,7 +1337,7 @@ static void cgroup_destroy_root(struct cgroup_root *root) spin_unlock_irq(&css_set_lock); if (!list_empty(&root->root_list)) { - list_del(&root->root_list); + list_del_rcu(&root->root_list); cgroup_root_count--; } @@ -1382,7 +1382,6 @@ current_cgns_cgroup_from_root(struct cgroup_root *root) } rcu_read_unlock(); - BUG_ON(!res); return res; } @@ -1392,7 +1391,6 @@ static struct cgroup *cset_cgroup_from_root(struct css_set *cset, { struct cgroup *res = NULL; - lockdep_assert_held(&cgroup_mutex); lockdep_assert_held(&css_set_lock); if (cset == &init_css_set) { @@ -1418,7 +1416,9 @@ static struct cgroup *cset_cgroup_from_root(struct css_set *cset, /* * Return the cgroup for "task" from the given hierarchy. Must be - * called with cgroup_mutex and css_set_lock held. + * called with css_set_lock held to prevent task's groups from being modified. + * Must be called with either cgroup_mutex or rcu read lock to prevent the + * cgroup root from being destroyed. */ struct cgroup *task_cgroup_from_root(struct task_struct *task, struct cgroup_root *root) @@ -1950,7 +1950,7 @@ void init_cgroup_root(struct cgroup_fs_context *ctx) struct cgroup_root *root = ctx->root; struct cgroup *cgrp = &root->cgrp; - INIT_LIST_HEAD(&root->root_list); + INIT_LIST_HEAD_RCU(&root->root_list); atomic_set(&root->nr_cgrps, 1); cgrp->root = root; init_cgroup_housekeeping(cgrp); @@ -2028,7 +2028,7 @@ int cgroup_setup_root(struct cgroup_root *root, u16 ss_mask) * care of subsystems' refcounts, which are explicitly dropped in * the failure exit path. */ - list_add(&root->root_list, &cgroup_roots); + list_add_rcu(&root->root_list, &cgroup_roots); cgroup_root_count++; /* From ff89db14c63a827066446460e39226c0688ef786 Mon Sep 17 00:00:00 2001 From: Pablo Neira Ayuso Date: Tue, 17 Sep 2024 22:25:49 +0200 Subject: [PATCH 045/649] netfilter: nft_set_pipapo: walk over current view on netlink dump commit 29b359cf6d95fd60730533f7f10464e95bd17c73 upstream. The generation mask can be updated while netlink dump is in progress. The pipapo set backend walk iterator cannot rely on it to infer what view of the datastructure is to be used. Add notation to specify if user wants to read/update the set. Based on patch from Florian Westphal. Fixes: 2b84e215f874 ("netfilter: nft_set_pipapo: .walk does not deal with generations") Signed-off-by: Pablo Neira Ayuso Signed-off-by: Greg Kroah-Hartman --- include/net/netfilter/nf_tables.h | 13 +++++++++++++ net/netfilter/nf_tables_api.c | 5 +++++ net/netfilter/nft_set_pipapo.c | 5 +++-- 3 files changed, 21 insertions(+), 2 deletions(-) diff --git a/include/net/netfilter/nf_tables.h b/include/net/netfilter/nf_tables.h index 3cc25a5faa23..484f9cdf2dd0 100644 --- a/include/net/netfilter/nf_tables.h +++ b/include/net/netfilter/nf_tables.h @@ -262,9 +262,22 @@ struct nft_set_elem { void *priv; }; +/** + * enum nft_iter_type - nftables set iterator type + * + * @NFT_ITER_READ: read-only iteration over set elements + * @NFT_ITER_UPDATE: iteration under mutex to update set element state + */ +enum nft_iter_type { + NFT_ITER_UNSPEC, + NFT_ITER_READ, + NFT_ITER_UPDATE, +}; + struct nft_set; struct nft_set_iter { u8 genmask; + enum nft_iter_type type:8; unsigned int count; unsigned int skip; int err; diff --git a/net/netfilter/nf_tables_api.c b/net/netfilter/nf_tables_api.c index 249c30c47cbd..87c572ba69ac 100644 --- a/net/netfilter/nf_tables_api.c +++ b/net/netfilter/nf_tables_api.c @@ -594,6 +594,7 @@ static void nft_map_deactivate(const struct nft_ctx *ctx, struct nft_set *set) { struct nft_set_iter iter = { .genmask = nft_genmask_next(ctx->net), + .type = NFT_ITER_UPDATE, .fn = nft_mapelem_deactivate, }; @@ -4777,6 +4778,7 @@ int nf_tables_bind_set(const struct nft_ctx *ctx, struct nft_set *set, } iter.genmask = nft_genmask_next(ctx->net); + iter.type = NFT_ITER_UPDATE; iter.skip = 0; iter.count = 0; iter.err = 0; @@ -4830,6 +4832,7 @@ static void nft_map_activate(const struct nft_ctx *ctx, struct nft_set *set) { struct nft_set_iter iter = { .genmask = nft_genmask_next(ctx->net), + .type = NFT_ITER_UPDATE, .fn = nft_mapelem_activate, }; @@ -5142,6 +5145,7 @@ static int nf_tables_dump_set(struct sk_buff *skb, struct netlink_callback *cb) args.cb = cb; args.skb = skb; args.iter.genmask = nft_genmask_cur(net); + args.iter.type = NFT_ITER_READ; args.iter.skip = cb->args[0]; args.iter.count = 0; args.iter.err = 0; @@ -6065,6 +6069,7 @@ static int nf_tables_delsetelem(struct net *net, struct sock *nlsk, if (nla[NFTA_SET_ELEM_LIST_ELEMENTS] == NULL) { struct nft_set_iter iter = { .genmask = genmask, + .type = NFT_ITER_UPDATE, .fn = nft_flush_set, }; set->ops->walk(&ctx, set, &iter); diff --git a/net/netfilter/nft_set_pipapo.c b/net/netfilter/nft_set_pipapo.c index 9e0269e85017..b30be099fc7f 100644 --- a/net/netfilter/nft_set_pipapo.c +++ b/net/netfilter/nft_set_pipapo.c @@ -2026,13 +2026,14 @@ static void nft_pipapo_walk(const struct nft_ctx *ctx, struct nft_set *set, struct nft_set_iter *iter) { struct nft_pipapo *priv = nft_set_priv(set); - struct net *net = read_pnet(&set->net); struct nft_pipapo_match *m; struct nft_pipapo_field *f; int i, r; + WARN_ON_ONCE(iter->type == NFT_ITER_UNSPEC); + rcu_read_lock(); - if (iter->genmask == nft_genmask_cur(net)) + if (iter->type == NFT_ITER_READ) m = rcu_dereference(priv->match); else m = priv->clone; From 5badd0ae8b7d1b4ffdea567addbc9eb04c0ce23d Mon Sep 17 00:00:00 2001 From: Pablo Neira Ayuso Date: Tue, 17 Sep 2024 22:25:50 +0200 Subject: [PATCH 046/649] netfilter: nf_tables: missing iterator type in lookup walk commit efefd4f00c967d00ad7abe092554ffbb70c1a793 upstream. Add missing decorator type to lookup expression and tighten WARN_ON_ONCE check in pipapo to spot earlier that this is unset. Fixes: 29b359cf6d95 ("netfilter: nft_set_pipapo: walk over current view on netlink dump") Signed-off-by: Pablo Neira Ayuso Signed-off-by: Greg Kroah-Hartman --- net/netfilter/nft_lookup.c | 1 + net/netfilter/nft_set_pipapo.c | 3 ++- 2 files changed, 3 insertions(+), 1 deletion(-) diff --git a/net/netfilter/nft_lookup.c b/net/netfilter/nft_lookup.c index d2f8131edaf1..f6ea1b32dae1 100644 --- a/net/netfilter/nft_lookup.c +++ b/net/netfilter/nft_lookup.c @@ -207,6 +207,7 @@ static int nft_lookup_validate(const struct nft_ctx *ctx, return 0; iter.genmask = nft_genmask_next(ctx->net); + iter.type = NFT_ITER_UPDATE; iter.skip = 0; iter.count = 0; iter.err = 0; diff --git a/net/netfilter/nft_set_pipapo.c b/net/netfilter/nft_set_pipapo.c index b30be099fc7f..ce617f6a215f 100644 --- a/net/netfilter/nft_set_pipapo.c +++ b/net/netfilter/nft_set_pipapo.c @@ -2030,7 +2030,8 @@ static void nft_pipapo_walk(const struct nft_ctx *ctx, struct nft_set *set, struct nft_pipapo_field *f; int i, r; - WARN_ON_ONCE(iter->type == NFT_ITER_UNSPEC); + WARN_ON_ONCE(iter->type != NFT_ITER_READ && + iter->type != NFT_ITER_UPDATE); rcu_read_lock(); if (iter->type == NFT_ITER_READ) From 9d682e89c44bd5819b01f3fbb45a8e3681a4b6d0 Mon Sep 17 00:00:00 2001 From: Hagar Hemdan Date: Thu, 23 May 2024 08:53:32 +0000 Subject: [PATCH 047/649] gpio: prevent potential speculation leaks in gpio_device_get_desc() commit d795848ecce24a75dfd46481aee066ae6fe39775 upstream. Userspace may trigger a speculative read of an address outside the gpio descriptor array. Users can do that by calling gpio_ioctl() with an offset out of range. Offset is copied from user and then used as an array index to get the gpio descriptor without sanitization in gpio_device_get_desc(). This change ensures that the offset is sanitized by using array_index_nospec() to mitigate any possibility of speculative information leaks. This bug was discovered and resolved using Coverity Static Analysis Security Testing (SAST) by Synopsys, Inc. Signed-off-by: Hagar Hemdan Link: https://lore.kernel.org/r/20240523085332.1801-1-hagarhem@amazon.com Signed-off-by: Bartosz Golaszewski Signed-off-by: Hugo SIMELIERE Signed-off-by: Greg Kroah-Hartman --- drivers/gpio/gpiolib.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/drivers/gpio/gpiolib.c b/drivers/gpio/gpiolib.c index 374bb9f43266..4f35cc93e57b 100644 --- a/drivers/gpio/gpiolib.c +++ b/drivers/gpio/gpiolib.c @@ -4,6 +4,7 @@ #include #include #include +#include #include #include #include @@ -143,7 +144,7 @@ struct gpio_desc *gpiochip_get_desc(struct gpio_chip *gc, if (hwnum >= gdev->ngpio) return ERR_PTR(-EINVAL); - return &gdev->descs[hwnum]; + return &gdev->descs[array_index_nospec(hwnum, gdev->ngpio)]; } EXPORT_SYMBOL_GPL(gpiochip_get_desc); From a684b45a7770e999557d8d470f9ffc95f49304a0 Mon Sep 17 00:00:00 2001 From: Geliang Tang Date: Tue, 17 Sep 2024 09:26:09 +0200 Subject: [PATCH 048/649] mptcp: export lookup_anno_list_by_saddr commit d88c476f4a7dd69a2588470f6c4f8b663efa16c6 upstream. This patch exported the static function lookup_anno_list_by_saddr, and renamed it to mptcp_lookup_anno_list_by_saddr. Signed-off-by: Geliang Tang Signed-off-by: Mat Martineau Signed-off-by: David S. Miller Stable-dep-of: b4cd80b03389 ("mptcp: pm: Fix uaf in __timer_delete_sync") Signed-off-by: Matthieu Baerts (NGI0) Signed-off-by: Greg Kroah-Hartman --- net/mptcp/pm_netlink.c | 10 +++++----- net/mptcp/protocol.h | 3 +++ 2 files changed, 8 insertions(+), 5 deletions(-) diff --git a/net/mptcp/pm_netlink.c b/net/mptcp/pm_netlink.c index f115c92c45d4..0b566678cc96 100644 --- a/net/mptcp/pm_netlink.c +++ b/net/mptcp/pm_netlink.c @@ -194,9 +194,9 @@ static void check_work_pending(struct mptcp_sock *msk) WRITE_ONCE(msk->pm.work_pending, false); } -static struct mptcp_pm_add_entry * -lookup_anno_list_by_saddr(struct mptcp_sock *msk, - struct mptcp_addr_info *addr) +struct mptcp_pm_add_entry * +mptcp_lookup_anno_list_by_saddr(struct mptcp_sock *msk, + struct mptcp_addr_info *addr) { struct mptcp_pm_add_entry *entry; @@ -255,7 +255,7 @@ mptcp_pm_del_add_timer(struct mptcp_sock *msk, struct sock *sk = (struct sock *)msk; spin_lock_bh(&msk->pm.lock); - entry = lookup_anno_list_by_saddr(msk, addr); + entry = mptcp_lookup_anno_list_by_saddr(msk, addr); if (entry) entry->retrans_times = ADD_ADDR_RETRANS_MAX; spin_unlock_bh(&msk->pm.lock); @@ -272,7 +272,7 @@ static bool mptcp_pm_alloc_anno_list(struct mptcp_sock *msk, struct mptcp_pm_add_entry *add_entry = NULL; struct sock *sk = (struct sock *)msk; - if (lookup_anno_list_by_saddr(msk, &entry->addr)) + if (mptcp_lookup_anno_list_by_saddr(msk, &entry->addr)) return false; add_entry = kmalloc(sizeof(*add_entry), GFP_ATOMIC); diff --git a/net/mptcp/protocol.h b/net/mptcp/protocol.h index b8351b671c2f..eaaff2cee4d5 100644 --- a/net/mptcp/protocol.h +++ b/net/mptcp/protocol.h @@ -451,6 +451,9 @@ void mptcp_pm_free_anno_list(struct mptcp_sock *msk); struct mptcp_pm_add_entry * mptcp_pm_del_add_timer(struct mptcp_sock *msk, struct mptcp_addr_info *addr); +struct mptcp_pm_add_entry * +mptcp_lookup_anno_list_by_saddr(struct mptcp_sock *msk, + struct mptcp_addr_info *addr); int mptcp_pm_announce_addr(struct mptcp_sock *msk, const struct mptcp_addr_info *addr, From 6a53e5def7a82e105e4c7023ad9d36c357959116 Mon Sep 17 00:00:00 2001 From: Davide Caratti Date: Tue, 17 Sep 2024 09:26:10 +0200 Subject: [PATCH 049/649] mptcp: validate 'id' when stopping the ADD_ADDR retransmit timer commit d58300c3185b78ab910092488126b97f0abe3ae2 upstream. when Linux receives an echo-ed ADD_ADDR, it checks the IP address against the list of "announced" addresses. In case of a positive match, the timer that handles retransmissions is stopped regardless of the 'Address Id' in the received packet: this behaviour does not comply with RFC8684 3.4.1. Fix it by validating the 'Address Id' in received echo-ed ADD_ADDRs. Tested using packetdrill, with the following captured output: unpatched kernel: Out <...> Flags [.], ack 1, win 256, options [mptcp add-addr v1 id 1 198.51.100.2 hmac 0xfd2e62517888fe29,mptcp dss ack 3007449509], length 0 In <...> Flags [.], ack 1, win 257, options [mptcp add-addr v1-echo id 1 1.2.3.4,mptcp dss ack 3013740213], length 0 Out <...> Flags [.], ack 1, win 256, options [mptcp add-addr v1 id 1 198.51.100.2 hmac 0xfd2e62517888fe29,mptcp dss ack 3007449509], length 0 In <...> Flags [.], ack 1, win 257, options [mptcp add-addr v1-echo id 90 198.51.100.2,mptcp dss ack 3013740213], length 0 ^^^ retransmission is stopped here, but 'Address Id' is 90 patched kernel: Out <...> Flags [.], ack 1, win 256, options [mptcp add-addr v1 id 1 198.51.100.2 hmac 0x1cf372d59e05f4b8,mptcp dss ack 3007449509], length 0 In <...> Flags [.], ack 1, win 257, options [mptcp add-addr v1-echo id 1 1.2.3.4,mptcp dss ack 1672384568], length 0 Out <...> Flags [.], ack 1, win 256, options [mptcp add-addr v1 id 1 198.51.100.2 hmac 0x1cf372d59e05f4b8,mptcp dss ack 3007449509], length 0 In <...> Flags [.], ack 1, win 257, options [mptcp add-addr v1-echo id 90 198.51.100.2,mptcp dss ack 1672384568], length 0 Out <...> Flags [.], ack 1, win 256, options [mptcp add-addr v1 id 1 198.51.100.2 hmac 0x1cf372d59e05f4b8,mptcp dss ack 3007449509], length 0 In <...> Flags [.], ack 1, win 257, options [mptcp add-addr v1-echo id 1 198.51.100.2,mptcp dss ack 1672384568], length 0 ^^^ retransmission is stopped here, only when both 'Address Id' and 'IP Address' match Fixes: 00cfd77b9063 ("mptcp: retransmit ADD_ADDR when timeout") Signed-off-by: Davide Caratti Signed-off-by: Mat Martineau Signed-off-by: David S. Miller Stable-dep-of: b4cd80b03389 ("mptcp: pm: Fix uaf in __timer_delete_sync") [ Conflicts in options.c, because some features are missing in this version, e.g. commit 557963c383e8 ("mptcp: move to next addr when subflow creation fail") and commit f7dafee18538 ("mptcp: use mptcp_addr_info in mptcp_options_received"). ] Signed-off-by: Matthieu Baerts (NGI0) Signed-off-by: Greg Kroah-Hartman --- net/mptcp/options.c | 2 +- net/mptcp/pm_netlink.c | 8 ++++---- net/mptcp/protocol.h | 2 +- 3 files changed, 6 insertions(+), 6 deletions(-) diff --git a/net/mptcp/options.c b/net/mptcp/options.c index 9b11396552df..8bc8812f7526 100644 --- a/net/mptcp/options.c +++ b/net/mptcp/options.c @@ -915,7 +915,7 @@ void mptcp_incoming_options(struct sock *sk, struct sk_buff *skb) mptcp_pm_add_addr_received(msk, &addr); MPTCP_INC_STATS(sock_net(sk), MPTCP_MIB_ADDADDR); } else { - mptcp_pm_del_add_timer(msk, &addr); + mptcp_pm_del_add_timer(msk, &addr, true); MPTCP_INC_STATS(sock_net(sk), MPTCP_MIB_ECHOADD); } mp_opt.add_addr = 0; diff --git a/net/mptcp/pm_netlink.c b/net/mptcp/pm_netlink.c index 0b566678cc96..f4f5cc76870a 100644 --- a/net/mptcp/pm_netlink.c +++ b/net/mptcp/pm_netlink.c @@ -249,18 +249,18 @@ static void mptcp_pm_add_timer(struct timer_list *timer) struct mptcp_pm_add_entry * mptcp_pm_del_add_timer(struct mptcp_sock *msk, - struct mptcp_addr_info *addr) + struct mptcp_addr_info *addr, bool check_id) { struct mptcp_pm_add_entry *entry; struct sock *sk = (struct sock *)msk; spin_lock_bh(&msk->pm.lock); entry = mptcp_lookup_anno_list_by_saddr(msk, addr); - if (entry) + if (entry && (!check_id || entry->addr.id == addr->id)) entry->retrans_times = ADD_ADDR_RETRANS_MAX; spin_unlock_bh(&msk->pm.lock); - if (entry) + if (entry && (!check_id || entry->addr.id == addr->id)) sk_stop_timer_sync(sk, &entry->add_timer); return entry; @@ -764,7 +764,7 @@ static bool remove_anno_list_by_saddr(struct mptcp_sock *msk, { struct mptcp_pm_add_entry *entry; - entry = mptcp_pm_del_add_timer(msk, addr); + entry = mptcp_pm_del_add_timer(msk, addr, false); if (entry) { list_del(&entry->list); kfree(entry); diff --git a/net/mptcp/protocol.h b/net/mptcp/protocol.h index eaaff2cee4d5..44944e8f73c5 100644 --- a/net/mptcp/protocol.h +++ b/net/mptcp/protocol.h @@ -450,7 +450,7 @@ void mptcp_pm_rm_addr_received(struct mptcp_sock *msk, u8 rm_id); void mptcp_pm_free_anno_list(struct mptcp_sock *msk); struct mptcp_pm_add_entry * mptcp_pm_del_add_timer(struct mptcp_sock *msk, - struct mptcp_addr_info *addr); + struct mptcp_addr_info *addr, bool check_id); struct mptcp_pm_add_entry * mptcp_lookup_anno_list_by_saddr(struct mptcp_sock *msk, struct mptcp_addr_info *addr); From 0e7814b028cd50b3ff79659d23dfa9da6a1e75e1 Mon Sep 17 00:00:00 2001 From: Edward Adam Davis Date: Tue, 17 Sep 2024 09:26:11 +0200 Subject: [PATCH 050/649] mptcp: pm: Fix uaf in __timer_delete_sync There are two paths to access mptcp_pm_del_add_timer, result in a race condition: CPU1 CPU2 ==== ==== net_rx_action napi_poll netlink_sendmsg __napi_poll netlink_unicast process_backlog netlink_unicast_kernel __netif_receive_skb genl_rcv __netif_receive_skb_one_core netlink_rcv_skb NF_HOOK genl_rcv_msg ip_local_deliver_finish genl_family_rcv_msg ip_protocol_deliver_rcu genl_family_rcv_msg_doit tcp_v4_rcv mptcp_pm_nl_flush_addrs_doit tcp_v4_do_rcv mptcp_nl_remove_addrs_list tcp_rcv_established mptcp_pm_remove_addrs_and_subflows tcp_data_queue remove_anno_list_by_saddr mptcp_incoming_options mptcp_pm_del_add_timer mptcp_pm_del_add_timer kfree(entry) In remove_anno_list_by_saddr(running on CPU2), after leaving the critical zone protected by "pm.lock", the entry will be released, which leads to the occurrence of uaf in the mptcp_pm_del_add_timer(running on CPU1). Keeping a reference to add_timer inside the lock, and calling sk_stop_timer_sync() with this reference, instead of "entry->add_timer". Move list_del(&entry->list) to mptcp_pm_del_add_timer and inside the pm lock, do not directly access any members of the entry outside the pm lock, which can avoid similar "entry->x" uaf. Fixes: 00cfd77b9063 ("mptcp: retransmit ADD_ADDR when timeout") Cc: stable@vger.kernel.org Reported-and-tested-by: syzbot+f3a31fb909db9b2a5c4d@syzkaller.appspotmail.com Closes: https://syzkaller.appspot.com/bug?extid=f3a31fb909db9b2a5c4d Signed-off-by: Matthieu Baerts (NGI0) Signed-off-by: Edward Adam Davis Acked-by: Paolo Abeni Link: https://patch.msgid.link/tencent_7142963A37944B4A74EF76CD66EA3C253609@qq.com Signed-off-by: Jakub Kicinski (cherry picked from commit b4cd80b0338945a94972ac3ed54f8338d2da2076) Signed-off-by: Matthieu Baerts (NGI0) Signed-off-by: Greg Kroah-Hartman --- net/mptcp/pm_netlink.c | 13 +++++++++---- 1 file changed, 9 insertions(+), 4 deletions(-) diff --git a/net/mptcp/pm_netlink.c b/net/mptcp/pm_netlink.c index f4f5cc76870a..bd03fb6df729 100644 --- a/net/mptcp/pm_netlink.c +++ b/net/mptcp/pm_netlink.c @@ -253,15 +253,21 @@ mptcp_pm_del_add_timer(struct mptcp_sock *msk, { struct mptcp_pm_add_entry *entry; struct sock *sk = (struct sock *)msk; + struct timer_list *add_timer = NULL; spin_lock_bh(&msk->pm.lock); entry = mptcp_lookup_anno_list_by_saddr(msk, addr); - if (entry && (!check_id || entry->addr.id == addr->id)) + if (entry && (!check_id || entry->addr.id == addr->id)) { entry->retrans_times = ADD_ADDR_RETRANS_MAX; + add_timer = &entry->add_timer; + } + if (!check_id && entry) + list_del(&entry->list); spin_unlock_bh(&msk->pm.lock); - if (entry && (!check_id || entry->addr.id == addr->id)) - sk_stop_timer_sync(sk, &entry->add_timer); + /* no lock, because sk_stop_timer_sync() is calling del_timer_sync() */ + if (add_timer) + sk_stop_timer_sync(sk, add_timer); return entry; } @@ -766,7 +772,6 @@ static bool remove_anno_list_by_saddr(struct mptcp_sock *msk, entry = mptcp_pm_del_add_timer(msk, addr, false); if (entry) { - list_del(&entry->list); kfree(entry); return true; } From 9705f447bf9a6cd088300ad2c407b5e1c6591091 Mon Sep 17 00:00:00 2001 From: Florian Westphal Date: Tue, 26 Mar 2024 11:18:41 +0100 Subject: [PATCH 051/649] inet: inet_defrag: prevent sk release while still in use commit 18685451fc4e546fc0e718580d32df3c0e5c8272 upstream. ip_local_out() and other functions can pass skb->sk as function argument. If the skb is a fragment and reassembly happens before such function call returns, the sk must not be released. This affects skb fragments reassembled via netfilter or similar modules, e.g. openvswitch or ct_act.c, when run as part of tx pipeline. Eric Dumazet made an initial analysis of this bug. Quoting Eric: Calling ip_defrag() in output path is also implying skb_orphan(), which is buggy because output path relies on sk not disappearing. A relevant old patch about the issue was : 8282f27449bf ("inet: frag: Always orphan skbs inside ip_defrag()") [..] net/ipv4/ip_output.c depends on skb->sk being set, and probably to an inet socket, not an arbitrary one. If we orphan the packet in ipvlan, then downstream things like FQ packet scheduler will not work properly. We need to change ip_defrag() to only use skb_orphan() when really needed, ie whenever frag_list is going to be used. Eric suggested to stash sk in fragment queue and made an initial patch. However there is a problem with this: If skb is refragmented again right after, ip_do_fragment() will copy head->sk to the new fragments, and sets up destructor to sock_wfree. IOW, we have no choice but to fix up sk_wmem accouting to reflect the fully reassembled skb, else wmem will underflow. This change moves the orphan down into the core, to last possible moment. As ip_defrag_offset is aliased with sk_buff->sk member, we must move the offset into the FRAG_CB, else skb->sk gets clobbered. This allows to delay the orphaning long enough to learn if the skb has to be queued or if the skb is completing the reasm queue. In the former case, things work as before, skb is orphaned. This is safe because skb gets queued/stolen and won't continue past reasm engine. In the latter case, we will steal the skb->sk reference, reattach it to the head skb, and fix up wmem accouting when inet_frag inflates truesize. Fixes: 7026b1ddb6b8 ("netfilter: Pass socket pointer down through okfn().") Diagnosed-by: Eric Dumazet Reported-by: xingwei lee Reported-by: yue sun Reported-by: syzbot+e5167d7144a62715044c@syzkaller.appspotmail.com Signed-off-by: Florian Westphal Reviewed-by: Eric Dumazet Link: https://lore.kernel.org/r/20240326101845.30836-1-fw@strlen.de Signed-off-by: Paolo Abeni Signed-off-by: Saeed Mirzamohammadi Signed-off-by: Greg Kroah-Hartman --- include/linux/skbuff.h | 5 +- net/core/sock_destructor.h | 12 +++++ net/ipv4/inet_fragment.c | 70 ++++++++++++++++++++----- net/ipv4/ip_fragment.c | 2 +- net/ipv6/netfilter/nf_conntrack_reasm.c | 2 +- 5 files changed, 72 insertions(+), 19 deletions(-) create mode 100644 net/core/sock_destructor.h diff --git a/include/linux/skbuff.h b/include/linux/skbuff.h index 31755d496b01..31ae4b74d435 100644 --- a/include/linux/skbuff.h +++ b/include/linux/skbuff.h @@ -733,10 +733,7 @@ struct sk_buff { struct list_head list; }; - union { - struct sock *sk; - int ip_defrag_offset; - }; + struct sock *sk; union { ktime_t tstamp; diff --git a/net/core/sock_destructor.h b/net/core/sock_destructor.h new file mode 100644 index 000000000000..2f396e6bfba5 --- /dev/null +++ b/net/core/sock_destructor.h @@ -0,0 +1,12 @@ +/* SPDX-License-Identifier: GPL-2.0-or-later */ +#ifndef _NET_CORE_SOCK_DESTRUCTOR_H +#define _NET_CORE_SOCK_DESTRUCTOR_H +#include + +static inline bool is_skb_wmem(const struct sk_buff *skb) +{ + return skb->destructor == sock_wfree || + skb->destructor == __sock_wfree || + (IS_ENABLED(CONFIG_INET) && skb->destructor == tcp_wfree); +} +#endif diff --git a/net/ipv4/inet_fragment.c b/net/ipv4/inet_fragment.c index e0e8a65d561e..12ef3cb26676 100644 --- a/net/ipv4/inet_fragment.c +++ b/net/ipv4/inet_fragment.c @@ -24,6 +24,8 @@ #include #include +#include "../core/sock_destructor.h" + /* Use skb->cb to track consecutive/adjacent fragments coming at * the end of the queue. Nodes in the rb-tree queue will * contain "runs" of one or more adjacent fragments. @@ -39,6 +41,7 @@ struct ipfrag_skb_cb { }; struct sk_buff *next_frag; int frag_run_len; + int ip_defrag_offset; }; #define FRAG_CB(skb) ((struct ipfrag_skb_cb *)((skb)->cb)) @@ -359,12 +362,12 @@ int inet_frag_queue_insert(struct inet_frag_queue *q, struct sk_buff *skb, */ if (!last) fragrun_create(q, skb); /* First fragment. */ - else if (last->ip_defrag_offset + last->len < end) { + else if (FRAG_CB(last)->ip_defrag_offset + last->len < end) { /* This is the common case: skb goes to the end. */ /* Detect and discard overlaps. */ - if (offset < last->ip_defrag_offset + last->len) + if (offset < FRAG_CB(last)->ip_defrag_offset + last->len) return IPFRAG_OVERLAP; - if (offset == last->ip_defrag_offset + last->len) + if (offset == FRAG_CB(last)->ip_defrag_offset + last->len) fragrun_append_to_last(q, skb); else fragrun_create(q, skb); @@ -381,13 +384,13 @@ int inet_frag_queue_insert(struct inet_frag_queue *q, struct sk_buff *skb, parent = *rbn; curr = rb_to_skb(parent); - curr_run_end = curr->ip_defrag_offset + + curr_run_end = FRAG_CB(curr)->ip_defrag_offset + FRAG_CB(curr)->frag_run_len; - if (end <= curr->ip_defrag_offset) + if (end <= FRAG_CB(curr)->ip_defrag_offset) rbn = &parent->rb_left; else if (offset >= curr_run_end) rbn = &parent->rb_right; - else if (offset >= curr->ip_defrag_offset && + else if (offset >= FRAG_CB(curr)->ip_defrag_offset && end <= curr_run_end) return IPFRAG_DUP; else @@ -401,7 +404,7 @@ int inet_frag_queue_insert(struct inet_frag_queue *q, struct sk_buff *skb, rb_insert_color(&skb->rbnode, &q->rb_fragments); } - skb->ip_defrag_offset = offset; + FRAG_CB(skb)->ip_defrag_offset = offset; return IPFRAG_OK; } @@ -411,13 +414,28 @@ void *inet_frag_reasm_prepare(struct inet_frag_queue *q, struct sk_buff *skb, struct sk_buff *parent) { struct sk_buff *fp, *head = skb_rb_first(&q->rb_fragments); - struct sk_buff **nextp; + void (*destructor)(struct sk_buff *); + unsigned int orig_truesize = 0; + struct sk_buff **nextp = NULL; + struct sock *sk = skb->sk; int delta; + if (sk && is_skb_wmem(skb)) { + /* TX: skb->sk might have been passed as argument to + * dst->output and must remain valid until tx completes. + * + * Move sk to reassembled skb and fix up wmem accounting. + */ + orig_truesize = skb->truesize; + destructor = skb->destructor; + } + if (head != skb) { fp = skb_clone(skb, GFP_ATOMIC); - if (!fp) - return NULL; + if (!fp) { + head = skb; + goto out_restore_sk; + } FRAG_CB(fp)->next_frag = FRAG_CB(skb)->next_frag; if (RB_EMPTY_NODE(&skb->rbnode)) FRAG_CB(parent)->next_frag = fp; @@ -426,6 +444,12 @@ void *inet_frag_reasm_prepare(struct inet_frag_queue *q, struct sk_buff *skb, &q->rb_fragments); if (q->fragments_tail == skb) q->fragments_tail = fp; + + if (orig_truesize) { + /* prevent skb_morph from releasing sk */ + skb->sk = NULL; + skb->destructor = NULL; + } skb_morph(skb, head); FRAG_CB(skb)->next_frag = FRAG_CB(head)->next_frag; rb_replace_node(&head->rbnode, &skb->rbnode, @@ -433,13 +457,13 @@ void *inet_frag_reasm_prepare(struct inet_frag_queue *q, struct sk_buff *skb, consume_skb(head); head = skb; } - WARN_ON(head->ip_defrag_offset != 0); + WARN_ON(FRAG_CB(head)->ip_defrag_offset != 0); delta = -head->truesize; /* Head of list must not be cloned. */ if (skb_unclone(head, GFP_ATOMIC)) - return NULL; + goto out_restore_sk; delta += head->truesize; if (delta) @@ -455,7 +479,7 @@ void *inet_frag_reasm_prepare(struct inet_frag_queue *q, struct sk_buff *skb, clone = alloc_skb(0, GFP_ATOMIC); if (!clone) - return NULL; + goto out_restore_sk; skb_shinfo(clone)->frag_list = skb_shinfo(head)->frag_list; skb_frag_list_init(head); for (i = 0; i < skb_shinfo(head)->nr_frags; i++) @@ -472,6 +496,21 @@ void *inet_frag_reasm_prepare(struct inet_frag_queue *q, struct sk_buff *skb, nextp = &skb_shinfo(head)->frag_list; } +out_restore_sk: + if (orig_truesize) { + int ts_delta = head->truesize - orig_truesize; + + /* if this reassembled skb is fragmented later, + * fraglist skbs will get skb->sk assigned from head->sk, + * and each frag skb will be released via sock_wfree. + * + * Update sk_wmem_alloc. + */ + head->sk = sk; + head->destructor = destructor; + refcount_add(ts_delta, &sk->sk_wmem_alloc); + } + return nextp; } EXPORT_SYMBOL(inet_frag_reasm_prepare); @@ -479,6 +518,8 @@ EXPORT_SYMBOL(inet_frag_reasm_prepare); void inet_frag_reasm_finish(struct inet_frag_queue *q, struct sk_buff *head, void *reasm_data, bool try_coalesce) { + struct sock *sk = is_skb_wmem(head) ? head->sk : NULL; + const unsigned int head_truesize = head->truesize; struct sk_buff **nextp = (struct sk_buff **)reasm_data; struct rb_node *rbn; struct sk_buff *fp; @@ -541,6 +582,9 @@ void inet_frag_reasm_finish(struct inet_frag_queue *q, struct sk_buff *head, skb_mark_not_on_list(head); head->prev = NULL; head->tstamp = q->stamp; + + if (sk) + refcount_add(sum_truesize - head_truesize, &sk->sk_wmem_alloc); } EXPORT_SYMBOL(inet_frag_reasm_finish); diff --git a/net/ipv4/ip_fragment.c b/net/ipv4/ip_fragment.c index fad803d2d711..ec2264adf2a6 100644 --- a/net/ipv4/ip_fragment.c +++ b/net/ipv4/ip_fragment.c @@ -377,6 +377,7 @@ static int ip_frag_queue(struct ipq *qp, struct sk_buff *skb) } skb_dst_drop(skb); + skb_orphan(skb); return -EINPROGRESS; insert_error: @@ -479,7 +480,6 @@ int ip_defrag(struct net *net, struct sk_buff *skb, u32 user) struct ipq *qp; __IP_INC_STATS(net, IPSTATS_MIB_REASMREQDS); - skb_orphan(skb); /* Lookup (or create) queue header */ qp = ip_find(net, ip_hdr(skb), user, vif); diff --git a/net/ipv6/netfilter/nf_conntrack_reasm.c b/net/ipv6/netfilter/nf_conntrack_reasm.c index c129ad334eb3..8c2163f95711 100644 --- a/net/ipv6/netfilter/nf_conntrack_reasm.c +++ b/net/ipv6/netfilter/nf_conntrack_reasm.c @@ -296,6 +296,7 @@ static int nf_ct_frag6_queue(struct frag_queue *fq, struct sk_buff *skb, } skb_dst_drop(skb); + skb_orphan(skb); return -EINPROGRESS; insert_error: @@ -471,7 +472,6 @@ int nf_ct_frag6_gather(struct net *net, struct sk_buff *skb, u32 user) hdr = ipv6_hdr(skb); fhdr = (struct frag_hdr *)skb_transport_header(skb); - skb_orphan(skb); fq = fq_find(net, fhdr->identification, user, hdr, skb->dev ? skb->dev->ifindex : 0); if (fq == NULL) { From e6be2e1ebc779b20763782e092aa5ba9d87ae9c0 Mon Sep 17 00:00:00 2001 From: Peter Zijlstra Date: Tue, 8 Mar 2022 16:30:29 +0100 Subject: [PATCH 052/649] x86/ibt,ftrace: Search for __fentry__ location commit aebfd12521d9c7d0b502cf6d06314cfbcdccfe3b upstream. Currently a lot of ftrace code assumes __fentry__ is at sym+0. However with Intel IBT enabled the first instruction of a function will most likely be ENDBR. Change ftrace_location() to not only return the __fentry__ location when called for the __fentry__ location, but also when called for the sym+0 location. Then audit/update all callsites of this function to consistently use these new semantics. Suggested-by: Steven Rostedt Signed-off-by: Peter Zijlstra (Intel) Acked-by: Masami Hiramatsu Acked-by: Josh Poimboeuf Link: https://lore.kernel.org/r/20220308154318.227581603@infradead.org Stable-dep-of: e60b613df8b6 ("ftrace: Fix possible use-after-free issue in ftrace_location()") [Shivani: Modified to apply on v5.10.y] Signed-off-by: Shivani Agarwal Signed-off-by: Greg Kroah-Hartman --- arch/x86/kernel/kprobes/core.c | 11 ++------ kernel/bpf/trampoline.c | 20 +++----------- kernel/kprobes.c | 8 ++---- kernel/trace/ftrace.c | 48 ++++++++++++++++++++++++++++------ 4 files changed, 48 insertions(+), 39 deletions(-) diff --git a/arch/x86/kernel/kprobes/core.c b/arch/x86/kernel/kprobes/core.c index e7edc9e4c6cd..6d59c8e7719b 100644 --- a/arch/x86/kernel/kprobes/core.c +++ b/arch/x86/kernel/kprobes/core.c @@ -194,17 +194,10 @@ static unsigned long __recover_probed_insn(kprobe_opcode_t *buf, unsigned long addr) { struct kprobe *kp; - unsigned long faddr; + bool faddr; kp = get_kprobe((void *)addr); - faddr = ftrace_location(addr); - /* - * Addresses inside the ftrace location are refused by - * arch_check_ftrace_location(). Something went terribly wrong - * if such an address is checked here. - */ - if (WARN_ON(faddr && faddr != addr)) - return 0UL; + faddr = ftrace_location(addr) == addr; /* * Use the current code if it is not modified by Kprobe * and it cannot be modified by ftrace. diff --git a/kernel/bpf/trampoline.c b/kernel/bpf/trampoline.c index 87becf77cc75..0a14f14d83fe 100644 --- a/kernel/bpf/trampoline.c +++ b/kernel/bpf/trampoline.c @@ -87,18 +87,6 @@ static struct bpf_trampoline *bpf_trampoline_lookup(u64 key) return tr; } -static int is_ftrace_location(void *ip) -{ - long addr; - - addr = ftrace_location((long)ip); - if (!addr) - return 0; - if (WARN_ON_ONCE(addr != (long)ip)) - return -EFAULT; - return 1; -} - static int unregister_fentry(struct bpf_trampoline *tr, void *old_addr) { void *ip = tr->func.addr; @@ -127,12 +115,12 @@ static int modify_fentry(struct bpf_trampoline *tr, void *old_addr, void *new_ad static int register_fentry(struct bpf_trampoline *tr, void *new_addr) { void *ip = tr->func.addr; + unsigned long faddr; int ret; - ret = is_ftrace_location(ip); - if (ret < 0) - return ret; - tr->func.ftrace_managed = ret; + faddr = ftrace_location((unsigned long)ip); + if (faddr) + tr->func.ftrace_managed = true; if (tr->func.ftrace_managed) ret = register_ftrace_direct((long)ip, (long)new_addr); diff --git a/kernel/kprobes.c b/kernel/kprobes.c index c8e62458d323..551ac118159f 100644 --- a/kernel/kprobes.c +++ b/kernel/kprobes.c @@ -1609,14 +1609,10 @@ static inline int check_kprobe_rereg(struct kprobe *p) int __weak arch_check_ftrace_location(struct kprobe *p) { - unsigned long ftrace_addr; + unsigned long addr = (unsigned long)p->addr; - ftrace_addr = ftrace_location((unsigned long)p->addr); - if (ftrace_addr) { + if (ftrace_location(addr) == addr) { #ifdef CONFIG_KPROBES_ON_FTRACE - /* Given address is not on the instruction boundary */ - if ((unsigned long)p->addr != ftrace_addr) - return -EILSEQ; p->flags |= KPROBE_FLAG_FTRACE; #else /* !CONFIG_KPROBES_ON_FTRACE */ return -EINVAL; diff --git a/kernel/trace/ftrace.c b/kernel/trace/ftrace.c index 31fec924b7c4..a781733b2a01 100644 --- a/kernel/trace/ftrace.c +++ b/kernel/trace/ftrace.c @@ -1575,17 +1575,34 @@ unsigned long ftrace_location_range(unsigned long start, unsigned long end) } /** - * ftrace_location - return true if the ip giving is a traced location + * ftrace_location - return the ftrace location * @ip: the instruction pointer to check * - * Returns rec->ip if @ip given is a pointer to a ftrace location. - * That is, the instruction that is either a NOP or call to - * the function tracer. It checks the ftrace internal tables to - * determine if the address belongs or not. + * If @ip matches the ftrace location, return @ip. + * If @ip matches sym+0, return sym's ftrace location. + * Otherwise, return 0. */ unsigned long ftrace_location(unsigned long ip) { - return ftrace_location_range(ip, ip); + struct dyn_ftrace *rec; + unsigned long offset; + unsigned long size; + + rec = lookup_rec(ip, ip); + if (!rec) { + if (!kallsyms_lookup_size_offset(ip, &size, &offset)) + goto out; + + /* map sym+0 to __fentry__ */ + if (!offset) + rec = lookup_rec(ip, ip + size - 1); + } + + if (rec) + return rec->ip; + +out: + return 0; } /** @@ -4948,7 +4965,8 @@ ftrace_match_addr(struct ftrace_hash *hash, unsigned long ip, int remove) { struct ftrace_func_entry *entry; - if (!ftrace_location(ip)) + ip = ftrace_location(ip); + if (!ip) return -EINVAL; if (remove) { @@ -5096,11 +5114,16 @@ int register_ftrace_direct(unsigned long ip, unsigned long addr) struct ftrace_func_entry *entry; struct ftrace_hash *free_hash = NULL; struct dyn_ftrace *rec; - int ret = -EBUSY; + int ret = -ENODEV; mutex_lock(&direct_mutex); + ip = ftrace_location(ip); + if (!ip) + goto out_unlock; + /* See if there's a direct function at @ip already */ + ret = -EBUSY; if (ftrace_find_rec_direct(ip)) goto out_unlock; @@ -5229,6 +5252,10 @@ int unregister_ftrace_direct(unsigned long ip, unsigned long addr) mutex_lock(&direct_mutex); + ip = ftrace_location(ip); + if (!ip) + goto out_unlock; + entry = find_direct_entry(&ip, NULL); if (!entry) goto out_unlock; @@ -5360,6 +5387,11 @@ int modify_ftrace_direct(unsigned long ip, mutex_lock(&direct_mutex); mutex_lock(&ftrace_lock); + + ip = ftrace_location(ip); + if (!ip) + goto out_unlock; + entry = find_direct_entry(&ip, &rec); if (!entry) goto out_unlock; From 1880a324af1c95940a7c954b6b937e86844a33bd Mon Sep 17 00:00:00 2001 From: Zheng Yejian Date: Fri, 10 May 2024 03:28:59 +0800 Subject: [PATCH 053/649] ftrace: Fix possible use-after-free issue in ftrace_location() commit e60b613df8b6253def41215402f72986fee3fc8d upstream. KASAN reports a bug: BUG: KASAN: use-after-free in ftrace_location+0x90/0x120 Read of size 8 at addr ffff888141d40010 by task insmod/424 CPU: 8 PID: 424 Comm: insmod Tainted: G W 6.9.0-rc2+ [...] Call Trace: dump_stack_lvl+0x68/0xa0 print_report+0xcf/0x610 kasan_report+0xb5/0xe0 ftrace_location+0x90/0x120 register_kprobe+0x14b/0xa40 kprobe_init+0x2d/0xff0 [kprobe_example] do_one_initcall+0x8f/0x2d0 do_init_module+0x13a/0x3c0 load_module+0x3082/0x33d0 init_module_from_file+0xd2/0x130 __x64_sys_finit_module+0x306/0x440 do_syscall_64+0x68/0x140 entry_SYSCALL_64_after_hwframe+0x71/0x79 The root cause is that, in lookup_rec(), ftrace record of some address is being searched in ftrace pages of some module, but those ftrace pages at the same time is being freed in ftrace_release_mod() as the corresponding module is being deleted: CPU1 | CPU2 register_kprobes() { | delete_module() { check_kprobe_address_safe() { | arch_check_ftrace_location() { | ftrace_location() { | lookup_rec() // USE! | ftrace_release_mod() // Free! To fix this issue: 1. Hold rcu lock as accessing ftrace pages in ftrace_location_range(); 2. Use ftrace_location_range() instead of lookup_rec() in ftrace_location(); 3. Call synchronize_rcu() before freeing any ftrace pages both in ftrace_process_locs()/ftrace_release_mod()/ftrace_free_mem(). Link: https://lore.kernel.org/linux-trace-kernel/20240509192859.1273558-1-zhengyejian1@huawei.com Cc: stable@vger.kernel.org Cc: Cc: Cc: Fixes: ae6aa16fdc16 ("kprobes: introduce ftrace based optimization") Suggested-by: Steven Rostedt Signed-off-by: Zheng Yejian Signed-off-by: Steven Rostedt (Google) [Shivani: Modified to apply on v5.10.y] Signed-off-by: Shivani Agarwal Signed-off-by: Greg Kroah-Hartman --- kernel/trace/ftrace.c | 39 +++++++++++++++++++++++---------------- 1 file changed, 23 insertions(+), 16 deletions(-) diff --git a/kernel/trace/ftrace.c b/kernel/trace/ftrace.c index a781733b2a01..36182e7e0cd7 100644 --- a/kernel/trace/ftrace.c +++ b/kernel/trace/ftrace.c @@ -1566,12 +1566,15 @@ static struct dyn_ftrace *lookup_rec(unsigned long start, unsigned long end) unsigned long ftrace_location_range(unsigned long start, unsigned long end) { struct dyn_ftrace *rec; + unsigned long ip = 0; + rcu_read_lock(); rec = lookup_rec(start, end); if (rec) - return rec->ip; + ip = rec->ip; + rcu_read_unlock(); - return 0; + return ip; } /** @@ -1584,25 +1587,22 @@ unsigned long ftrace_location_range(unsigned long start, unsigned long end) */ unsigned long ftrace_location(unsigned long ip) { - struct dyn_ftrace *rec; + unsigned long loc; unsigned long offset; unsigned long size; - rec = lookup_rec(ip, ip); - if (!rec) { + loc = ftrace_location_range(ip, ip); + if (!loc) { if (!kallsyms_lookup_size_offset(ip, &size, &offset)) goto out; /* map sym+0 to __fentry__ */ if (!offset) - rec = lookup_rec(ip, ip + size - 1); + loc = ftrace_location_range(ip, ip + size - 1); } - if (rec) - return rec->ip; - out: - return 0; + return loc; } /** @@ -6331,6 +6331,8 @@ static int ftrace_process_locs(struct module *mod, /* We should have used all pages unless we skipped some */ if (pg_unuse) { WARN_ON(!skipped); + /* Need to synchronize with ftrace_location_range() */ + synchronize_rcu(); ftrace_free_pages(pg_unuse); } return ret; @@ -6513,6 +6515,9 @@ void ftrace_release_mod(struct module *mod) out_unlock: mutex_unlock(&ftrace_lock); + /* Need to synchronize with ftrace_location_range() */ + if (tmp_page) + synchronize_rcu(); for (pg = tmp_page; pg; pg = tmp_page) { /* Needs to be called outside of ftrace_lock */ @@ -6835,6 +6840,7 @@ void ftrace_free_mem(struct module *mod, void *start_ptr, void *end_ptr) unsigned long start = (unsigned long)(start_ptr); unsigned long end = (unsigned long)(end_ptr); struct ftrace_page **last_pg = &ftrace_pages_start; + struct ftrace_page *tmp_page = NULL; struct ftrace_page *pg; struct dyn_ftrace *rec; struct dyn_ftrace key; @@ -6878,12 +6884,8 @@ void ftrace_free_mem(struct module *mod, void *start_ptr, void *end_ptr) ftrace_update_tot_cnt--; if (!pg->index) { *last_pg = pg->next; - if (pg->records) { - free_pages((unsigned long)pg->records, pg->order); - ftrace_number_of_pages -= 1 << pg->order; - } - ftrace_number_of_groups--; - kfree(pg); + pg->next = tmp_page; + tmp_page = pg; pg = container_of(last_pg, struct ftrace_page, next); if (!(*last_pg)) ftrace_pages = pg; @@ -6900,6 +6902,11 @@ void ftrace_free_mem(struct module *mod, void *start_ptr, void *end_ptr) clear_func_from_hashes(func); kfree(func); } + /* Need to synchronize with ftrace_location_range() */ + if (tmp_page) { + synchronize_rcu(); + ftrace_free_pages(tmp_page); + } } void __init ftrace_free_init_mem(void) From 65fd90e354c788861b66cb4cb77e6eb63c87e7e5 Mon Sep 17 00:00:00 2001 From: Kent Gibson Date: Wed, 26 Jun 2024 13:29:23 +0800 Subject: [PATCH 054/649] gpiolib: cdev: Ignore reconfiguration without direction commit b440396387418fe2feaacd41ca16080e7a8bc9ad upstream. linereq_set_config() behaves badly when direction is not set. The configuration validation is borrowed from linereq_create(), where, to verify the intent of the user, the direction must be set to in order to effect a change to the electrical configuration of a line. But, when applied to reconfiguration, that validation does not allow for the unset direction case, making it possible to clear flags set previously without specifying the line direction. Adding to the inconsistency, those changes are not immediately applied by linereq_set_config(), but will take effect when the line value is next get or set. For example, by requesting a configuration with no flags set, an output line with GPIO_V2_LINE_FLAG_ACTIVE_LOW and GPIO_V2_LINE_FLAG_OPEN_DRAIN set could have those flags cleared, inverting the sense of the line and changing the line drive to push-pull on the next line value set. Skip the reconfiguration of lines for which the direction is not set, and only reconfigure the lines for which direction is set. Fixes: a54756cb24ea ("gpiolib: cdev: support GPIO_V2_LINE_SET_CONFIG_IOCTL") Signed-off-by: Kent Gibson Link: https://lore.kernel.org/r/20240626052925.174272-3-warthog618@gmail.com Signed-off-by: Bartosz Golaszewski Signed-off-by: Greg Kroah-Hartman --- drivers/gpio/gpiolib-cdev.c | 13 ++++++++----- 1 file changed, 8 insertions(+), 5 deletions(-) diff --git a/drivers/gpio/gpiolib-cdev.c b/drivers/gpio/gpiolib-cdev.c index 95861916deff..56eb2be71e25 100644 --- a/drivers/gpio/gpiolib-cdev.c +++ b/drivers/gpio/gpiolib-cdev.c @@ -1110,15 +1110,18 @@ static long linereq_set_config_unlocked(struct linereq *lr, for (i = 0; i < lr->num_lines; i++) { desc = lr->lines[i].desc; flags = gpio_v2_line_config_flags(lc, i); + /* + * Lines not explicitly reconfigured as input or output + * are left unchanged. + */ + if (!(flags & GPIO_V2_LINE_DIRECTION_FLAGS)) + continue; + polarity_change = (!!test_bit(FLAG_ACTIVE_LOW, &desc->flags) != ((flags & GPIO_V2_LINE_FLAG_ACTIVE_LOW) != 0)); gpio_v2_line_config_flags_to_desc_flags(flags, &desc->flags); - /* - * Lines have to be requested explicitly for input - * or output, else the line will be treated "as is". - */ if (flags & GPIO_V2_LINE_FLAG_OUTPUT) { int val = gpio_v2_line_config_output_value(lc, i); @@ -1126,7 +1129,7 @@ static long linereq_set_config_unlocked(struct linereq *lr, ret = gpiod_direction_output(desc, val); if (ret) return ret; - } else if (flags & GPIO_V2_LINE_FLAG_INPUT) { + } else { ret = gpiod_direction_input(desc); if (ret) return ret; From 4abf1841680fa8142fdb07b71d34d1ace5fac0f7 Mon Sep 17 00:00:00 2001 From: Waiman Long Date: Thu, 7 Dec 2023 08:46:14 -0500 Subject: [PATCH 055/649] cgroup: Move rcu_head up near the top of cgroup_root MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit commit a7fb0423c201ba12815877a0b5a68a6a1710b23a upstream. Commit d23b5c577715 ("cgroup: Make operations on the cgroup root_list RCU safe") adds a new rcu_head to the cgroup_root structure and kvfree_rcu() for freeing the cgroup_root. The current implementation of kvfree_rcu(), however, has the limitation that the offset of the rcu_head structure within the larger data structure must be less than 4096 or the compilation will fail. See the macro definition of __is_kvfree_rcu_offset() in include/linux/rcupdate.h for more information. By putting rcu_head below the large cgroup structure, any change to the cgroup structure that makes it larger run the risk of causing build failure under certain configurations. Commit 77070eeb8821 ("cgroup: Avoid false cacheline sharing of read mostly rstat_cpu") happens to be the last straw that breaks it. Fix this problem by moving the rcu_head structure up before the cgroup structure. Fixes: d23b5c577715 ("cgroup: Make operations on the cgroup root_list RCU safe") Reported-by: Stephen Rothwell Closes: https://lore.kernel.org/lkml/20231207143806.114e0a74@canb.auug.org.au/ Signed-off-by: Waiman Long Acked-by: Yafang Shao Reviewed-by: Yosry Ahmed Reviewed-by: Michal Koutný Signed-off-by: Tejun Heo Signed-off-by: Greg Kroah-Hartman --- include/linux/cgroup-defs.h | 8 ++++---- 1 file changed, 4 insertions(+), 4 deletions(-) diff --git a/include/linux/cgroup-defs.h b/include/linux/cgroup-defs.h index e0e03c68000f..c1bf210fe718 100644 --- a/include/linux/cgroup-defs.h +++ b/include/linux/cgroup-defs.h @@ -501,6 +501,10 @@ struct cgroup_root { /* Unique id for this hierarchy. */ int hierarchy_id; + /* A list running through the active hierarchies */ + struct list_head root_list; + struct rcu_head rcu; /* Must be near the top */ + /* The root cgroup. Root is destroyed on its release. */ struct cgroup cgrp; @@ -510,10 +514,6 @@ struct cgroup_root { /* Number of cgroups in the hierarchy, used only for /proc/cgroups */ atomic_t nr_cgrps; - /* A list running through the active hierarchies */ - struct list_head root_list; - struct rcu_head rcu; - /* Hierarchy-specific flags */ unsigned int flags; From 31292316c5fe98a9a1c4bcf5a04875481ab53ea9 Mon Sep 17 00:00:00 2001 From: Vincenzo Palazzo Date: Thu, 2 Mar 2023 16:07:06 +0100 Subject: [PATCH 056/649] usb: dwc3: Fix a typo in field name commit 02c1820345e795148e6b497ef85090915401698e upstream. Fix a typo inside the dwc3 struct docs. Fixes: 63d7f9810a38 ("usb: dwc3: core: Enable GUCTL1 bit 10 for fixing termination error after resume bug") Signed-off-by: Vincenzo Palazzo Acked-by: Thinh Nguyen Link: https://lore.kernel.org/r/20230302150706.229008-1-vincenzopalazzodev@gmail.com Signed-off-by: Greg Kroah-Hartman --- drivers/usb/dwc3/core.h | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/usb/dwc3/core.h b/drivers/usb/dwc3/core.h index 1765e58089fc..ebe086feb3bb 100644 --- a/drivers/usb/dwc3/core.h +++ b/drivers/usb/dwc3/core.h @@ -1053,7 +1053,7 @@ struct dwc3_scratchpad_array { * change quirk. * @dis_tx_ipgap_linecheck_quirk: set if we disable u2mac linestate * check during HS transmit. - * @resume-hs-terminations: Set if we enable quirk for fixing improper crc + * @resume_hs_terminations: Set if we enable quirk for fixing improper crc * generation after resume from suspend. * @parkmode_disable_ss_quirk: set if we need to disable all SuperSpeed * instances in park mode. From 50cff34deed4fbd6f1352bc86412314514dafb69 Mon Sep 17 00:00:00 2001 From: Junhao Xie Date: Tue, 3 Sep 2024 23:06:38 +0800 Subject: [PATCH 057/649] USB: serial: pl2303: add device id for Macrosilicon MS3020 commit 7d47d22444bb7dc1b6d768904a22070ef35e1fc0 upstream. Add the device id for the Macrosilicon MS3020 which is a PL2303HXN based device. Signed-off-by: Junhao Xie Cc: stable@vger.kernel.org Signed-off-by: Johan Hovold Signed-off-by: Greg Kroah-Hartman --- drivers/usb/serial/pl2303.c | 1 + drivers/usb/serial/pl2303.h | 4 ++++ 2 files changed, 5 insertions(+) diff --git a/drivers/usb/serial/pl2303.c b/drivers/usb/serial/pl2303.c index 16118d9f2392..e45d8f873f46 100644 --- a/drivers/usb/serial/pl2303.c +++ b/drivers/usb/serial/pl2303.c @@ -118,6 +118,7 @@ static const struct usb_device_id id_table[] = { { USB_DEVICE(SMART_VENDOR_ID, SMART_PRODUCT_ID) }, { USB_DEVICE(AT_VENDOR_ID, AT_VTKIT3_PRODUCT_ID) }, { USB_DEVICE(IBM_VENDOR_ID, IBM_PRODUCT_ID) }, + { USB_DEVICE(MACROSILICON_VENDOR_ID, MACROSILICON_MS3020_PRODUCT_ID) }, { } /* Terminating entry */ }; diff --git a/drivers/usb/serial/pl2303.h b/drivers/usb/serial/pl2303.h index 732f9b13ad5d..d60eda7f6eda 100644 --- a/drivers/usb/serial/pl2303.h +++ b/drivers/usb/serial/pl2303.h @@ -171,3 +171,7 @@ /* Allied Telesis VT-Kit3 */ #define AT_VENDOR_ID 0x0caa #define AT_VTKIT3_PRODUCT_ID 0x3001 + +/* Macrosilicon MS3020 */ +#define MACROSILICON_VENDOR_ID 0x345f +#define MACROSILICON_MS3020_PRODUCT_ID 0x3020 From 16e0ab9ed3ae7d19ca8ee718ba4e09d5c0f909ca Mon Sep 17 00:00:00 2001 From: Edward Adam Davis Date: Sun, 8 Sep 2024 17:17:41 +0800 Subject: [PATCH 058/649] USB: usbtmc: prevent kernel-usb-infoleak commit 625fa77151f00c1bd00d34d60d6f2e710b3f9aad upstream. The syzbot reported a kernel-usb-infoleak in usbtmc_write, we need to clear the structure before filling fields. Fixes: 4ddc645f40e9 ("usb: usbtmc: Add ioctl for vendor specific write") Reported-and-tested-by: syzbot+9d34f80f841e948c3fdb@syzkaller.appspotmail.com Closes: https://syzkaller.appspot.com/bug?extid=9d34f80f841e948c3fdb Signed-off-by: Edward Adam Davis Cc: stable Link: https://lore.kernel.org/r/tencent_9649AA6EC56EDECCA8A7D106C792D1C66B06@qq.com Signed-off-by: Greg Kroah-Hartman --- drivers/usb/class/usbtmc.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/usb/class/usbtmc.c b/drivers/usb/class/usbtmc.c index 76ff182427bc..78adc112a77b 100644 --- a/drivers/usb/class/usbtmc.c +++ b/drivers/usb/class/usbtmc.c @@ -724,7 +724,7 @@ static struct urb *usbtmc_create_urb(void) if (!urb) return NULL; - dmabuf = kmalloc(bufsize, GFP_KERNEL); + dmabuf = kzalloc(bufsize, GFP_KERNEL); if (!dmabuf) { usb_free_urb(urb); return NULL; From a0c1e2da652cf70825739bc12d49ea15805690bf Mon Sep 17 00:00:00 2001 From: Dmitry Antipov Date: Fri, 26 Jul 2024 14:46:57 +0300 Subject: [PATCH 059/649] wifi: rtw88: always wait for both firmware loading attempts [ Upstream commit 0e735a4c6137262bcefe45bb52fde7b1f5fc6c4d ] In 'rtw_wait_firmware_completion()', always wait for both (regular and wowlan) firmware loading attempts. Otherwise if 'rtw_usb_intf_init()' has failed in 'rtw_usb_probe()', 'rtw_usb_disconnect()' may issue 'ieee80211_free_hw()' when one of 'rtw_load_firmware_cb()' (usually the wowlan one) is still in progress, causing UAF detected by KASAN. Fixes: c8e5695eae99 ("rtw88: load wowlan firmware if wowlan is supported") Reported-by: syzbot+6c6c08700f9480c41fe3@syzkaller.appspotmail.com Closes: https://syzkaller.appspot.com/bug?extid=6c6c08700f9480c41fe3 Signed-off-by: Dmitry Antipov Signed-off-by: Ping-Ke Shih Link: https://patch.msgid.link/20240726114657.25396-1-dmantipov@yandex.ru Signed-off-by: Sasha Levin --- drivers/net/wireless/realtek/rtw88/main.c | 7 ++++--- 1 file changed, 4 insertions(+), 3 deletions(-) diff --git a/drivers/net/wireless/realtek/rtw88/main.c b/drivers/net/wireless/realtek/rtw88/main.c index 2ef1416899f0..91eea38f62cd 100644 --- a/drivers/net/wireless/realtek/rtw88/main.c +++ b/drivers/net/wireless/realtek/rtw88/main.c @@ -1007,20 +1007,21 @@ static int rtw_wait_firmware_completion(struct rtw_dev *rtwdev) { struct rtw_chip_info *chip = rtwdev->chip; struct rtw_fw_state *fw; + int ret = 0; fw = &rtwdev->fw; wait_for_completion(&fw->completion); if (!fw->firmware) - return -EINVAL; + ret = -EINVAL; if (chip->wow_fw_name) { fw = &rtwdev->wow_fw; wait_for_completion(&fw->completion); if (!fw->firmware) - return -EINVAL; + ret = -EINVAL; } - return 0; + return ret; } static int rtw_power_on(struct rtw_dev *rtwdev) From 005dcd6bc4b4226a2e3e102526cff49d9a7c6737 Mon Sep 17 00:00:00 2001 From: Aleksandr Mishin Date: Wed, 31 Jul 2024 01:53:39 +0300 Subject: [PATCH 060/649] ACPI: PMIC: Remove unneeded check in tps68470_pmic_opregion_probe() [ Upstream commit 07442c46abad1d50ac82af5e0f9c5de2732c4592 ] In tps68470_pmic_opregion_probe() pointer 'dev' is compared to NULL which is useless. Fix this issue by removing unneeded check. Found by Linux Verification Center (linuxtesting.org) with SVACE. Fixes: e13452ac3790 ("ACPI / PMIC: Add TI PMIC TPS68470 operation region driver") Suggested-by: Andy Shevchenko Signed-off-by: Aleksandr Mishin Reviewed-by: Sakari Ailus Reviewed-by: Andy Shevchenko Link: https://patch.msgid.link/20240730225339.13165-1-amishin@t-argos.ru [ rjw: Subject edit ] Signed-off-by: Rafael J. Wysocki Signed-off-by: Sasha Levin --- drivers/acpi/pmic/tps68470_pmic.c | 6 ++---- 1 file changed, 2 insertions(+), 4 deletions(-) diff --git a/drivers/acpi/pmic/tps68470_pmic.c b/drivers/acpi/pmic/tps68470_pmic.c index ebd03e472955..0d1a82eeb4b0 100644 --- a/drivers/acpi/pmic/tps68470_pmic.c +++ b/drivers/acpi/pmic/tps68470_pmic.c @@ -376,10 +376,8 @@ static int tps68470_pmic_opregion_probe(struct platform_device *pdev) struct tps68470_pmic_opregion *opregion; acpi_status status; - if (!dev || !tps68470_regmap) { - dev_warn(dev, "dev or regmap is NULL\n"); - return -EINVAL; - } + if (!tps68470_regmap) + return dev_err_probe(dev, -EINVAL, "regmap is missing\n"); if (!handle) { dev_warn(dev, "acpi handle is NULL\n"); From 9722aa53fa234ff04c7c50df225b4fbf032c6d61 Mon Sep 17 00:00:00 2001 From: Christoph Hellwig Date: Fri, 5 Nov 2021 13:36:58 -0700 Subject: [PATCH 061/649] fs: explicitly unregister per-superblock BDIs [ Upstream commit 0b3ea0926afb8dde70cfab00316ae0a70b93a7cc ] Add a new SB_I_ flag to mark superblocks that have an ephemeral bdi associated with them, and unregister it when the superblock is shut down. Link: https://lkml.kernel.org/r/20211021124441.668816-4-hch@lst.de Signed-off-by: Christoph Hellwig Reviewed-by: Jan Kara Cc: Miquel Raynal Cc: Richard Weinberger Cc: Vignesh Raghavendra Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds Stable-dep-of: 4bcda1eaf184 ("mount: handle OOM on mnt_warn_timestamp_expiry") Signed-off-by: Sasha Levin --- fs/super.c | 3 +++ include/linux/fs.h | 1 + 2 files changed, 4 insertions(+) diff --git a/fs/super.c b/fs/super.c index 282aa36901eb..3d040c09f723 100644 --- a/fs/super.c +++ b/fs/super.c @@ -476,6 +476,8 @@ void generic_shutdown_super(struct super_block *sb) spin_unlock(&sb_lock); up_write(&sb->s_umount); if (sb->s_bdi != &noop_backing_dev_info) { + if (sb->s_iflags & SB_I_PERSB_BDI) + bdi_unregister(sb->s_bdi); bdi_put(sb->s_bdi); sb->s_bdi = &noop_backing_dev_info; } @@ -1634,6 +1636,7 @@ int super_setup_bdi_name(struct super_block *sb, char *fmt, ...) } WARN_ON(sb->s_bdi != &noop_backing_dev_info); sb->s_bdi = bdi; + sb->s_iflags |= SB_I_PERSB_BDI; return 0; } diff --git a/include/linux/fs.h b/include/linux/fs.h index 2e202f01c38d..e92acc55fbd1 100644 --- a/include/linux/fs.h +++ b/include/linux/fs.h @@ -1427,6 +1427,7 @@ extern int send_sigurg(struct fown_struct *fown); #define SB_I_UNTRUSTED_MOUNTER 0x00000040 #define SB_I_SKIP_SYNC 0x00000100 /* Skip superblock at global sync */ +#define SB_I_PERSB_BDI 0x00000200 /* has a per-sb bdi */ /* Possible states of 'frozen' field */ enum { From 396e9c5cbf8f81966a91c6fe51c972b2f8d67501 Mon Sep 17 00:00:00 2001 From: Anthony Iliopoulos Date: Tue, 22 Mar 2022 14:39:22 -0700 Subject: [PATCH 062/649] mount: warn only once about timestamp range expiration [ Upstream commit a128b054ce029554a4a52fc3abb8c1df8bafcaef ] Commit f8b92ba67c5d ("mount: Add mount warning for impending timestamp expiry") introduced a mount warning regarding filesystem timestamp limits, that is printed upon each writable mount or remount. This can result in a lot of unnecessary messages in the kernel log in setups where filesystems are being frequently remounted (or mounted multiple times). Avoid this by setting a superblock flag which indicates that the warning has been emitted at least once for any particular mount, as suggested in [1]. Link: https://lore.kernel.org/CAHk-=wim6VGnxQmjfK_tDg6fbHYKL4EFkmnTjVr9QnRqjDBAeA@mail.gmail.com/ [1] Link: https://lkml.kernel.org/r/20220119202934.26495-1-ailiop@suse.com Signed-off-by: Anthony Iliopoulos Reviewed-by: Christoph Hellwig Acked-by: Christian Brauner Reviewed-by: Darrick J. Wong Cc: Alexander Viro Cc: Deepa Dinamani Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds Stable-dep-of: 4bcda1eaf184 ("mount: handle OOM on mnt_warn_timestamp_expiry") Signed-off-by: Sasha Levin --- fs/namespace.c | 2 ++ include/linux/fs.h | 1 + 2 files changed, 3 insertions(+) diff --git a/fs/namespace.c b/fs/namespace.c index b020a12c53a2..1665315e08e9 100644 --- a/fs/namespace.c +++ b/fs/namespace.c @@ -2553,6 +2553,7 @@ static void mnt_warn_timestamp_expiry(struct path *mountpoint, struct vfsmount * struct super_block *sb = mnt->mnt_sb; if (!__mnt_is_readonly(mnt) && + (!(sb->s_iflags & SB_I_TS_EXPIRY_WARNED)) && (ktime_get_real_seconds() + TIME_UPTIME_SEC_MAX > sb->s_time_max)) { char *buf = (char *)__get_free_page(GFP_KERNEL); char *mntpath = buf ? d_path(mountpoint, buf, PAGE_SIZE) : ERR_PTR(-ENOMEM); @@ -2567,6 +2568,7 @@ static void mnt_warn_timestamp_expiry(struct path *mountpoint, struct vfsmount * tm.tm_year+1900, (unsigned long long)sb->s_time_max); free_page((unsigned long)buf); + sb->s_iflags |= SB_I_TS_EXPIRY_WARNED; } } diff --git a/include/linux/fs.h b/include/linux/fs.h index e92acc55fbd1..a7d839b19606 100644 --- a/include/linux/fs.h +++ b/include/linux/fs.h @@ -1428,6 +1428,7 @@ extern int send_sigurg(struct fown_struct *fown); #define SB_I_SKIP_SYNC 0x00000100 /* Skip superblock at global sync */ #define SB_I_PERSB_BDI 0x00000200 /* has a per-sb bdi */ +#define SB_I_TS_EXPIRY_WARNED 0x00000400 /* warned about timestamp range expiry */ /* Possible states of 'frozen' field */ enum { From f0a39ba6e05e01f742cc34f189137c2e8370fa38 Mon Sep 17 00:00:00 2001 From: Andy Shevchenko Date: Tue, 14 Mar 2023 17:09:06 +0200 Subject: [PATCH 063/649] fs/namespace: fnic: Switch to use %ptTd [ Upstream commit 74e60b8b2f0fe3702710e648a31725ee8224dbdf ] Use %ptTd instead of open-coded variant to print contents of time64_t type in human readable form. Signed-off-by: Andy Shevchenko Signed-off-by: Christian Brauner (Microsoft) Stable-dep-of: 4bcda1eaf184 ("mount: handle OOM on mnt_warn_timestamp_expiry") Signed-off-by: Sasha Levin --- fs/namespace.c | 9 +++------ 1 file changed, 3 insertions(+), 6 deletions(-) diff --git a/fs/namespace.c b/fs/namespace.c index 1665315e08e9..17d3bea73f8d 100644 --- a/fs/namespace.c +++ b/fs/namespace.c @@ -2557,15 +2557,12 @@ static void mnt_warn_timestamp_expiry(struct path *mountpoint, struct vfsmount * (ktime_get_real_seconds() + TIME_UPTIME_SEC_MAX > sb->s_time_max)) { char *buf = (char *)__get_free_page(GFP_KERNEL); char *mntpath = buf ? d_path(mountpoint, buf, PAGE_SIZE) : ERR_PTR(-ENOMEM); - struct tm tm; - time64_to_tm(sb->s_time_max, 0, &tm); - - pr_warn("%s filesystem being %s at %s supports timestamps until %04ld (0x%llx)\n", + pr_warn("%s filesystem being %s at %s supports timestamps until %ptTd (0x%llx)\n", sb->s_type->name, is_mounted(mnt) ? "remounted" : "mounted", - mntpath, - tm.tm_year+1900, (unsigned long long)sb->s_time_max); + mntpath, &sb->s_time_max, + (unsigned long long)sb->s_time_max); free_page((unsigned long)buf); sb->s_iflags |= SB_I_TS_EXPIRY_WARNED; From 60da25076f38f3bda7eb4a37871df2249c010472 Mon Sep 17 00:00:00 2001 From: Olaf Hering Date: Tue, 30 Jul 2024 10:58:13 +0200 Subject: [PATCH 064/649] mount: handle OOM on mnt_warn_timestamp_expiry [ Upstream commit 4bcda1eaf184e308f07f9c61d3a535f9ce477ce8 ] If no page could be allocated, an error pointer was used as format string in pr_warn. Rearrange the code to return early in case of OOM. Also add a check for the return value of d_path. Fixes: f8b92ba67c5d ("mount: Add mount warning for impending timestamp expiry") Signed-off-by: Olaf Hering Link: https://lore.kernel.org/r/20240730085856.32385-1-olaf@aepfle.de [brauner: rewrite commit and commit message] Signed-off-by: Christian Brauner Signed-off-by: Sasha Levin --- fs/namespace.c | 14 +++++++++++--- 1 file changed, 11 insertions(+), 3 deletions(-) diff --git a/fs/namespace.c b/fs/namespace.c index 17d3bea73f8d..7e67db7456b3 100644 --- a/fs/namespace.c +++ b/fs/namespace.c @@ -2555,8 +2555,15 @@ static void mnt_warn_timestamp_expiry(struct path *mountpoint, struct vfsmount * if (!__mnt_is_readonly(mnt) && (!(sb->s_iflags & SB_I_TS_EXPIRY_WARNED)) && (ktime_get_real_seconds() + TIME_UPTIME_SEC_MAX > sb->s_time_max)) { - char *buf = (char *)__get_free_page(GFP_KERNEL); - char *mntpath = buf ? d_path(mountpoint, buf, PAGE_SIZE) : ERR_PTR(-ENOMEM); + char *buf, *mntpath; + + buf = (char *)__get_free_page(GFP_KERNEL); + if (buf) + mntpath = d_path(mountpoint, buf, PAGE_SIZE); + else + mntpath = ERR_PTR(-ENOMEM); + if (IS_ERR(mntpath)) + mntpath = "(unknown)"; pr_warn("%s filesystem being %s at %s supports timestamps until %ptTd (0x%llx)\n", sb->s_type->name, @@ -2564,8 +2571,9 @@ static void mnt_warn_timestamp_expiry(struct path *mountpoint, struct vfsmount * mntpath, &sb->s_time_max, (unsigned long long)sb->s_time_max); - free_page((unsigned long)buf); sb->s_iflags |= SB_I_TS_EXPIRY_WARNED; + if (buf) + free_page((unsigned long)buf); } } From b0947eca2a5f3483f4cb5f320a0e64b23299403f Mon Sep 17 00:00:00 2001 From: Kamlesh Gurudasani Date: Thu, 22 Aug 2024 02:32:52 +0530 Subject: [PATCH 065/649] padata: Honor the caller's alignment in case of chunk_size 0 MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit [ Upstream commit 24cc57d8faaa4060fd58adf810b858fcfb71a02f ] In the case where we are forcing the ps.chunk_size to be at least 1, we are ignoring the caller's alignment. Move the forcing of ps.chunk_size to be at least 1 before rounding it up to caller's alignment, so that caller's alignment is honored. While at it, use max() to force the ps.chunk_size to be at least 1 to improve readability. Fixes: 6d45e1c948a8 ("padata: Fix possible divide-by-0 panic in padata_mt_helper()") Signed-off-by: Kamlesh Gurudasani Acked-by:  Waiman Long Acked-by: Daniel Jordan Signed-off-by: Herbert Xu Signed-off-by: Sasha Levin --- kernel/padata.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/kernel/padata.c b/kernel/padata.c index 2a514cf8379b..41d5bf2fa2ad 100644 --- a/kernel/padata.c +++ b/kernel/padata.c @@ -516,9 +516,12 @@ void __init padata_do_multithreaded(struct padata_mt_job *job) * thread function. Load balance large jobs between threads by * increasing the number of chunks, guarantee at least the minimum * chunk size from the caller, and honor the caller's alignment. + * Ensure chunk_size is at least 1 to prevent divide-by-0 + * panic in padata_mt_helper(). */ ps.chunk_size = job->size / (ps.nworks * load_balance_factor); ps.chunk_size = max(ps.chunk_size, job->min_chunk); + ps.chunk_size = max(ps.chunk_size, 1ul); ps.chunk_size = roundup(ps.chunk_size, job->align); /* From 4bb459040d3db5b9d5c239fda5039e740773b50e Mon Sep 17 00:00:00 2001 From: Zhang Changzhong Date: Thu, 29 Aug 2024 20:48:23 +0800 Subject: [PATCH 066/649] can: j1939: use correct function name in comment [ Upstream commit dc2ddcd136fe9b6196a7dd01f75f824beb02d43f ] The function j1939_cancel_all_active_sessions() was renamed to j1939_cancel_active_session() but name in comment wasn't updated. Signed-off-by: Zhang Changzhong Acked-by: Oleksij Rempel Fixes: 9d71dd0c7009 ("can: add support of SAE J1939 protocol") Link: https://patch.msgid.link/1724935703-44621-1-git-send-email-zhangchangzhong@huawei.com Signed-off-by: Marc Kleine-Budde Signed-off-by: Sasha Levin --- net/can/j1939/transport.c | 8 ++++---- 1 file changed, 4 insertions(+), 4 deletions(-) diff --git a/net/can/j1939/transport.c b/net/can/j1939/transport.c index 478dafc73857..a86256ab1402 100644 --- a/net/can/j1939/transport.c +++ b/net/can/j1939/transport.c @@ -1171,10 +1171,10 @@ static enum hrtimer_restart j1939_tp_txtimer(struct hrtimer *hrtimer) break; case -ENETDOWN: /* In this case we should get a netdev_event(), all active - * sessions will be cleared by - * j1939_cancel_all_active_sessions(). So handle this as an - * error, but let j1939_cancel_all_active_sessions() do the - * cleanup including propagation of the error to user space. + * sessions will be cleared by j1939_cancel_active_session(). + * So handle this as an error, but let + * j1939_cancel_active_session() do the cleanup including + * propagation of the error to user space. */ break; case -EOVERFLOW: From 1c0c097ded9443487b6b9bb1e8b7a2322858c85f Mon Sep 17 00:00:00 2001 From: Pablo Neira Ayuso Date: Tue, 3 Sep 2024 01:06:41 +0200 Subject: [PATCH 067/649] netfilter: nf_tables: elements with timeout below CONFIG_HZ never expire [ Upstream commit e0c47281723f301894c14e6f5cd5884fdfb813f9 ] Element timeout that is below CONFIG_HZ never expires because the timeout extension is not allocated given that nf_msecs_to_jiffies64() returns 0. Set timeout to the minimum value to honor timeout. Fixes: 8e1102d5a159 ("netfilter: nf_tables: support timeouts larger than 23 days") Signed-off-by: Pablo Neira Ayuso Signed-off-by: Sasha Levin --- net/netfilter/nf_tables_api.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/net/netfilter/nf_tables_api.c b/net/netfilter/nf_tables_api.c index 87c572ba69ac..5c937c5564b3 100644 --- a/net/netfilter/nf_tables_api.c +++ b/net/netfilter/nf_tables_api.c @@ -4026,7 +4026,7 @@ int nf_msecs_to_jiffies64(const struct nlattr *nla, u64 *result) return -ERANGE; ms *= NSEC_PER_MSEC; - *result = nsecs_to_jiffies64(ms); + *result = nsecs_to_jiffies64(ms) ? : !!ms; return 0; } From 39c1012f5f7890df95c520cfb030477c6f43a99e Mon Sep 17 00:00:00 2001 From: Pablo Neira Ayuso Date: Tue, 3 Sep 2024 01:06:49 +0200 Subject: [PATCH 068/649] netfilter: nf_tables: reject element expiration with no timeout [ Upstream commit d2dc429ecb4e79ad164028d965c00f689e6f6d06 ] If element timeout is unset and set provides no default timeout, the element expiration is silently ignored, reject this instead to let user know this is unsupported. Also prepare for supporting timeout that never expire, where zero timeout and expiration must be also rejected. Fixes: 8e1102d5a159 ("netfilter: nf_tables: support timeouts larger than 23 days") Signed-off-by: Pablo Neira Ayuso Signed-off-by: Sasha Levin --- net/netfilter/nf_tables_api.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/net/netfilter/nf_tables_api.c b/net/netfilter/nf_tables_api.c index 5c937c5564b3..a788f3e8fe2b 100644 --- a/net/netfilter/nf_tables_api.c +++ b/net/netfilter/nf_tables_api.c @@ -5628,6 +5628,9 @@ static int nft_add_set_elem(struct nft_ctx *ctx, struct nft_set *set, if (nla[NFTA_SET_ELEM_EXPIRATION] != NULL) { if (!(set->flags & NFT_SET_TIMEOUT)) return -EINVAL; + if (timeout == 0) + return -EOPNOTSUPP; + err = nf_msecs_to_jiffies64(nla[NFTA_SET_ELEM_EXPIRATION], &expiration); if (err) From 0723ddb2d16105761b8b64250e840b2729aad88a Mon Sep 17 00:00:00 2001 From: Pablo Neira Ayuso Date: Tue, 3 Sep 2024 01:06:58 +0200 Subject: [PATCH 069/649] netfilter: nf_tables: reject expiration higher than timeout [ Upstream commit c0f38a8c60174368aed1d0f9965d733195f15033 ] Report ERANGE to userspace if user specifies an expiration larger than the timeout. Fixes: 8e1102d5a159 ("netfilter: nf_tables: support timeouts larger than 23 days") Signed-off-by: Pablo Neira Ayuso Signed-off-by: Sasha Levin --- net/netfilter/nf_tables_api.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/net/netfilter/nf_tables_api.c b/net/netfilter/nf_tables_api.c index a788f3e8fe2b..9e2695bedd2c 100644 --- a/net/netfilter/nf_tables_api.c +++ b/net/netfilter/nf_tables_api.c @@ -5635,6 +5635,9 @@ static int nft_add_set_elem(struct nft_ctx *ctx, struct nft_set *set, &expiration); if (err) return err; + + if (expiration > timeout) + return -ERANGE; } if (nla[NFTA_SET_ELEM_EXPR] != NULL) { From 7b0724f7a927a5fba972a6d4a761c1328f27a79a Mon Sep 17 00:00:00 2001 From: Nishanth Menon Date: Wed, 28 Aug 2024 08:19:15 -0500 Subject: [PATCH 070/649] cpufreq: ti-cpufreq: Introduce quirks to handle syscon fails appropriately [ Upstream commit abc00ffda43bd4ba85896713464c7510c39f8165 ] Commit b4bc9f9e27ed ("cpufreq: ti-cpufreq: add support for omap34xx and omap36xx") introduced special handling for OMAP3 class devices where syscon node may not be present. However, this also creates a bug where the syscon node is present, however the offset used to read is beyond the syscon defined range. Fix this by providing a quirk option that is populated when such special handling is required. This allows proper failure for all other platforms when the syscon node and efuse offsets are mismatched. Fixes: b4bc9f9e27ed ("cpufreq: ti-cpufreq: add support for omap34xx and omap36xx") Signed-off-by: Nishanth Menon Tested-by: Dhruva Gole Reviewed-by: Kevin Hilman Signed-off-by: Viresh Kumar Signed-off-by: Sasha Levin --- drivers/cpufreq/ti-cpufreq.c | 10 ++++++++-- 1 file changed, 8 insertions(+), 2 deletions(-) diff --git a/drivers/cpufreq/ti-cpufreq.c b/drivers/cpufreq/ti-cpufreq.c index 8f9fdd864391..0d100f869ae1 100644 --- a/drivers/cpufreq/ti-cpufreq.c +++ b/drivers/cpufreq/ti-cpufreq.c @@ -53,6 +53,9 @@ struct ti_cpufreq_soc_data { unsigned long efuse_shift; unsigned long rev_offset; bool multi_regulator; +/* Backward compatibility hack: Might have missing syscon */ +#define TI_QUIRK_SYSCON_MAY_BE_MISSING 0x1 + u8 quirks; }; struct ti_cpufreq_data { @@ -156,6 +159,7 @@ static struct ti_cpufreq_soc_data omap34xx_soc_data = { .efuse_mask = BIT(3), .rev_offset = OMAP3_CONTROL_IDCODE - OMAP3_SYSCON_BASE, .multi_regulator = false, + .quirks = TI_QUIRK_SYSCON_MAY_BE_MISSING, }; /* @@ -183,6 +187,7 @@ static struct ti_cpufreq_soc_data omap36xx_soc_data = { .efuse_mask = BIT(9), .rev_offset = OMAP3_CONTROL_IDCODE - OMAP3_SYSCON_BASE, .multi_regulator = true, + .quirks = TI_QUIRK_SYSCON_MAY_BE_MISSING, }; /* @@ -197,6 +202,7 @@ static struct ti_cpufreq_soc_data am3517_soc_data = { .efuse_mask = 0, .rev_offset = OMAP3_CONTROL_IDCODE - OMAP3_SYSCON_BASE, .multi_regulator = false, + .quirks = TI_QUIRK_SYSCON_MAY_BE_MISSING, }; @@ -216,7 +222,7 @@ static int ti_cpufreq_get_efuse(struct ti_cpufreq_data *opp_data, ret = regmap_read(opp_data->syscon, opp_data->soc_data->efuse_offset, &efuse); - if (ret == -EIO) { + if (opp_data->soc_data->quirks & TI_QUIRK_SYSCON_MAY_BE_MISSING && ret == -EIO) { /* not a syscon register! */ void __iomem *regs = ioremap(OMAP3_SYSCON_BASE + opp_data->soc_data->efuse_offset, 4); @@ -257,7 +263,7 @@ static int ti_cpufreq_get_rev(struct ti_cpufreq_data *opp_data, ret = regmap_read(opp_data->syscon, opp_data->soc_data->rev_offset, &revision); - if (ret == -EIO) { + if (opp_data->soc_data->quirks & TI_QUIRK_SYSCON_MAY_BE_MISSING && ret == -EIO) { /* not a syscon register! */ void __iomem *regs = ioremap(OMAP3_SYSCON_BASE + opp_data->soc_data->rev_offset, 4); From 635ccdcd9840f7042efa27d059107b02a1d42ecf Mon Sep 17 00:00:00 2001 From: Dmitry Antipov Date: Thu, 5 Sep 2024 18:04:00 +0300 Subject: [PATCH 071/649] wifi: cfg80211: fix UBSAN noise in cfg80211_wext_siwscan() [ Upstream commit a26a5107bc52922cf5f67361e307ad66547b51c7 ] Looking at https://syzkaller.appspot.com/bug?extid=1a3986bbd3169c307819 and running reproducer with CONFIG_UBSAN_BOUNDS, I've noticed the following: [ T4985] UBSAN: array-index-out-of-bounds in net/wireless/scan.c:3479:25 [ T4985] index 164 is out of range for type 'struct ieee80211_channel *[]' <...skipped...> [ T4985] Call Trace: [ T4985] [ T4985] dump_stack_lvl+0x1c2/0x2a0 [ T4985] ? __pfx_dump_stack_lvl+0x10/0x10 [ T4985] ? __pfx__printk+0x10/0x10 [ T4985] __ubsan_handle_out_of_bounds+0x127/0x150 [ T4985] cfg80211_wext_siwscan+0x11a4/0x1260 <...the rest is not too useful...> Even if we do 'creq->n_channels = n_channels' before 'creq->ssids = (void *)&creq->channels[n_channels]', UBSAN treats the latter as off-by-one error. Fix this by using pointer arithmetic rather than an expression with explicit array indexing and use convenient 'struct_size()' to simplify the math here and in 'kzalloc()' above. Fixes: 5ba63533bbf6 ("cfg80211: fix alignment problem in scan request") Signed-off-by: Dmitry Antipov Reviewed-by: Kees Cook Link: https://patch.msgid.link/20240905150400.126386-1-dmantipov@yandex.ru [fix coding style for multi-line calculation] Signed-off-by: Johannes Berg Signed-off-by: Sasha Levin --- net/wireless/scan.c | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) diff --git a/net/wireless/scan.c b/net/wireless/scan.c index e8a9ce039295..f6307061aac4 100644 --- a/net/wireless/scan.c +++ b/net/wireless/scan.c @@ -2803,8 +2803,8 @@ int cfg80211_wext_siwscan(struct net_device *dev, n_channels = ieee80211_get_num_supported_channels(wiphy); } - creq = kzalloc(sizeof(*creq) + sizeof(struct cfg80211_ssid) + - n_channels * sizeof(void *), + creq = kzalloc(struct_size(creq, channels, n_channels) + + sizeof(struct cfg80211_ssid), GFP_ATOMIC); if (!creq) { err = -ENOMEM; @@ -2814,7 +2814,7 @@ int cfg80211_wext_siwscan(struct net_device *dev, creq->wiphy = wiphy; creq->wdev = dev->ieee80211_ptr; /* SSIDs come after channels */ - creq->ssids = (void *)&creq->channels[n_channels]; + creq->ssids = (void *)creq + struct_size(creq, channels, n_channels); creq->n_channels = n_channels; creq->n_ssids = 1; creq->scan_start = jiffies; From f8e0ca304996dbd0e64fba7a4a074afd82464e02 Mon Sep 17 00:00:00 2001 From: Howard Hsu Date: Tue, 27 Aug 2024 11:30:08 +0200 Subject: [PATCH 072/649] wifi: mt76: mt7915: fix rx filter setting for bfee functionality [ Upstream commit 6ac80fce713e875a316a58975b830720a3e27721 ] Fix rx filter setting to prevent dropping NDPA frames. Without this change, bfee functionality may behave abnormally. Fixes: e57b7901469f ("mt76: add mac80211 driver for MT7915 PCIe-based chipsets") Signed-off-by: Howard Hsu Link: https://patch.msgid.link/20240827093011.18621-21-nbd@nbd.name Signed-off-by: Felix Fietkau Signed-off-by: Sasha Levin --- drivers/net/wireless/mediatek/mt76/mt7915/main.c | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-) diff --git a/drivers/net/wireless/mediatek/mt76/mt7915/main.c b/drivers/net/wireless/mediatek/mt76/mt7915/main.c index e78d3efa3fdf..6495d2edf7dc 100644 --- a/drivers/net/wireless/mediatek/mt76/mt7915/main.c +++ b/drivers/net/wireless/mediatek/mt76/mt7915/main.c @@ -401,8 +401,7 @@ static void mt7915_configure_filter(struct ieee80211_hw *hw, MT76_FILTER(CONTROL, MT_WF_RFCR_DROP_CTS | MT_WF_RFCR_DROP_RTS | - MT_WF_RFCR_DROP_CTL_RSV | - MT_WF_RFCR_DROP_NDPA); + MT_WF_RFCR_DROP_CTL_RSV); *total_flags = flags; mt76_wr(dev, MT_WF_RFCR(band), phy->rxfilter); From 793e01f99666f520f06aba3b46479e07396d8751 Mon Sep 17 00:00:00 2001 From: Dmitry Antipov Date: Mon, 9 Sep 2024 12:08:06 +0300 Subject: [PATCH 073/649] wifi: cfg80211: fix two more possible UBSAN-detected off-by-one errors [ Upstream commit 15ea13b1b1fbf6364d4cd568e65e4c8479632999 ] Although not reproduced in practice, these two cases may be considered by UBSAN as off-by-one errors. So fix them in the same way as in commit a26a5107bc52 ("wifi: cfg80211: fix UBSAN noise in cfg80211_wext_siwscan()"). Fixes: 807f8a8c3004 ("cfg80211/nl80211: add support for scheduled scans") Fixes: 5ba63533bbf6 ("cfg80211: fix alignment problem in scan request") Signed-off-by: Dmitry Antipov Link: https://patch.msgid.link/20240909090806.1091956-1-dmantipov@yandex.ru Signed-off-by: Johannes Berg Signed-off-by: Sasha Levin --- net/wireless/nl80211.c | 3 ++- net/wireless/sme.c | 3 ++- 2 files changed, 4 insertions(+), 2 deletions(-) diff --git a/net/wireless/nl80211.c b/net/wireless/nl80211.c index 9a6bbf24b0f7..a989231198fe 100644 --- a/net/wireless/nl80211.c +++ b/net/wireless/nl80211.c @@ -8580,7 +8580,8 @@ nl80211_parse_sched_scan(struct wiphy *wiphy, struct wireless_dev *wdev, return ERR_PTR(-ENOMEM); if (n_ssids) - request->ssids = (void *)&request->channels[n_channels]; + request->ssids = (void *)request + + struct_size(request, channels, n_channels); request->n_ssids = n_ssids; if (ie_len) { if (n_ssids) diff --git a/net/wireless/sme.c b/net/wireless/sme.c index f7e2e172a68d..ae8ff2cdf1ff 100644 --- a/net/wireless/sme.c +++ b/net/wireless/sme.c @@ -116,7 +116,8 @@ static int cfg80211_conn_scan(struct wireless_dev *wdev) n_channels = i; } request->n_channels = n_channels; - request->ssids = (void *)&request->channels[n_channels]; + request->ssids = (void *)request + + struct_size(request, channels, n_channels); request->n_ssids = 1; memcpy(request->ssids[0].ssid, wdev->conn->params.ssid, From f232916fab67ca1c3425926df4a866e59ff26908 Mon Sep 17 00:00:00 2001 From: Dmitry Antipov Date: Fri, 6 Sep 2024 15:31:51 +0300 Subject: [PATCH 074/649] wifi: mac80211: use two-phase skb reclamation in ieee80211_do_stop() [ Upstream commit 9d301de12da6e1bb069a9835c38359b8e8135121 ] Since '__dev_queue_xmit()' should be called with interrupts enabled, the following backtrace: ieee80211_do_stop() ... spin_lock_irqsave(&local->queue_stop_reason_lock, flags) ... ieee80211_free_txskb() ieee80211_report_used_skb() ieee80211_report_ack_skb() cfg80211_mgmt_tx_status_ext() nl80211_frame_tx_status() genlmsg_multicast_netns() genlmsg_multicast_netns_filtered() nlmsg_multicast_filtered() netlink_broadcast_filtered() do_one_broadcast() netlink_broadcast_deliver() __netlink_sendskb() netlink_deliver_tap() __netlink_deliver_tap_skb() dev_queue_xmit() __dev_queue_xmit() ; with IRQS disabled ... spin_unlock_irqrestore(&local->queue_stop_reason_lock, flags) issues the warning (as reported by syzbot reproducer): WARNING: CPU: 2 PID: 5128 at kernel/softirq.c:362 __local_bh_enable_ip+0xc3/0x120 Fix this by implementing a two-phase skb reclamation in 'ieee80211_do_stop()', where actual work is performed outside of a section with interrupts disabled. Fixes: 5061b0c2b906 ("mac80211: cooperate more with network namespaces") Reported-by: syzbot+1a3986bbd3169c307819@syzkaller.appspotmail.com Closes: https://syzkaller.appspot.com/bug?extid=1a3986bbd3169c307819 Signed-off-by: Dmitry Antipov Link: https://patch.msgid.link/20240906123151.351647-1-dmantipov@yandex.ru Signed-off-by: Johannes Berg Signed-off-by: Sasha Levin --- net/mac80211/iface.c | 17 ++++++++++++++++- 1 file changed, 16 insertions(+), 1 deletion(-) diff --git a/net/mac80211/iface.c b/net/mac80211/iface.c index 06ce138eedf1..55e3dfa7505d 100644 --- a/net/mac80211/iface.c +++ b/net/mac80211/iface.c @@ -370,6 +370,7 @@ static void ieee80211_do_stop(struct ieee80211_sub_if_data *sdata, { struct ieee80211_local *local = sdata->local; unsigned long flags; + struct sk_buff_head freeq; struct sk_buff *skb, *tmp; u32 hw_reconf_flags = 0; int i, flushed; @@ -565,18 +566,32 @@ static void ieee80211_do_stop(struct ieee80211_sub_if_data *sdata, skb_queue_purge(&sdata->skb_queue); } + /* + * Since ieee80211_free_txskb() may issue __dev_queue_xmit() + * which should be called with interrupts enabled, reclamation + * is done in two phases: + */ + __skb_queue_head_init(&freeq); + + /* unlink from local queues... */ spin_lock_irqsave(&local->queue_stop_reason_lock, flags); for (i = 0; i < IEEE80211_MAX_QUEUES; i++) { skb_queue_walk_safe(&local->pending[i], skb, tmp) { struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb); if (info->control.vif == &sdata->vif) { __skb_unlink(skb, &local->pending[i]); - ieee80211_free_txskb(&local->hw, skb); + __skb_queue_tail(&freeq, skb); } } } spin_unlock_irqrestore(&local->queue_stop_reason_lock, flags); + /* ... and perform actual reclamation with interrupts enabled. */ + skb_queue_walk_safe(&freeq, skb, tmp) { + __skb_unlink(skb, &freeq); + ieee80211_free_txskb(&local->hw, skb); + } + if (sdata->vif.type == NL80211_IFTYPE_AP_VLAN) ieee80211_txq_remove_vlan(local, sdata); From 557418e1704605a81c9e26732449f71b1d40ba1e Mon Sep 17 00:00:00 2001 From: Jiawei Ye Date: Thu, 29 Aug 2024 08:17:09 +0000 Subject: [PATCH 075/649] wifi: wilc1000: fix potential RCU dereference issue in wilc_parse_join_bss_param MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit [ Upstream commit 6d7c6ae1efb1ff68bc01d79d94fdf0388f86cdd8 ] In the `wilc_parse_join_bss_param` function, the TSF field of the `ies` structure is accessed after the RCU read-side critical section is unlocked. According to RCU usage rules, this is illegal. Reusing this pointer can lead to unpredictable behavior, including accessing memory that has been updated or causing use-after-free issues. This possible bug was identified using a static analysis tool developed by myself, specifically designed to detect RCU-related issues. To address this, the TSF value is now stored in a local variable `ies_tsf` before the RCU lock is released. The `param->tsf_lo` field is then assigned using this local variable, ensuring that the TSF value is safely accessed. Fixes: 205c50306acf ("wifi: wilc1000: fix RCU usage in connect path") Signed-off-by: Jiawei Ye Reviewed-by: Alexis Lothoré Signed-off-by: Kalle Valo Link: https://patch.msgid.link/tencent_466225AA599BA49627FB26F707EE17BC5407@qq.com Signed-off-by: Sasha Levin --- drivers/net/wireless/microchip/wilc1000/hif.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/drivers/net/wireless/microchip/wilc1000/hif.c b/drivers/net/wireless/microchip/wilc1000/hif.c index 3f167bf4eef3..5f363653ed9d 100644 --- a/drivers/net/wireless/microchip/wilc1000/hif.c +++ b/drivers/net/wireless/microchip/wilc1000/hif.c @@ -366,6 +366,7 @@ void *wilc_parse_join_bss_param(struct cfg80211_bss *bss, struct wilc_join_bss_param *param; u8 rates_len = 0; int ies_len; + u64 ies_tsf; int ret; param = kzalloc(sizeof(*param), GFP_KERNEL); @@ -381,6 +382,7 @@ void *wilc_parse_join_bss_param(struct cfg80211_bss *bss, return NULL; } ies_len = ies->len; + ies_tsf = ies->tsf; rcu_read_unlock(); param->beacon_period = cpu_to_le16(bss->beacon_interval); @@ -436,7 +438,7 @@ void *wilc_parse_join_bss_param(struct cfg80211_bss *bss, IEEE80211_P2P_ATTR_ABSENCE_NOTICE, (u8 *)&noa_attr, sizeof(noa_attr)); if (ret > 0) { - param->tsf_lo = cpu_to_le32(ies->tsf); + param->tsf_lo = cpu_to_le32(ies_tsf); param->noa_enabled = 1; param->idx = noa_attr.index; if (noa_attr.oppps_ctwindow & IEEE80211_P2P_OPPPS_ENABLE_BIT) { From 1a11a1a53255ddab8a903cdae01b9d3eb2c1a47b Mon Sep 17 00:00:00 2001 From: Eric Dumazet Date: Fri, 6 Sep 2024 15:44:49 +0000 Subject: [PATCH 076/649] sock_map: Add a cond_resched() in sock_hash_free() [ Upstream commit b1339be951ad31947ae19bc25cb08769bf255100 ] Several syzbot soft lockup reports all have in common sock_hash_free() If a map with a large number of buckets is destroyed, we need to yield the cpu when needed. Fixes: 75e68e5bf2c7 ("bpf, sockhash: Synchronize delete from bucket list on map free") Reported-by: syzbot Signed-off-by: Eric Dumazet Signed-off-by: Daniel Borkmann Acked-by: Martin KaFai Lau Acked-by: John Fastabend Link: https://lore.kernel.org/bpf/20240906154449.3742932-1-edumazet@google.com Signed-off-by: Sasha Levin --- net/core/sock_map.c | 1 + 1 file changed, 1 insertion(+) diff --git a/net/core/sock_map.c b/net/core/sock_map.c index d1d0ee2dbfaa..73c081fb4220 100644 --- a/net/core/sock_map.c +++ b/net/core/sock_map.c @@ -1219,6 +1219,7 @@ static void sock_hash_free(struct bpf_map *map) sock_put(elem->sk); sock_hash_free_elem(htab, elem); } + cond_resched(); } /* wait for psock readers accessing its map link */ From 5cc00913c1fdcab861c4e65fa20d1f1e1bbbf977 Mon Sep 17 00:00:00 2001 From: Kuniyuki Iwashima Date: Wed, 4 Sep 2024 18:22:37 -0700 Subject: [PATCH 077/649] can: bcm: Clear bo->bcm_proc_read after remove_proc_entry(). [ Upstream commit 94b0818fa63555a65f6ba107080659ea6bcca63e ] syzbot reported a warning in bcm_release(). [0] The blamed change fixed another warning that is triggered when connect() is issued again for a socket whose connect()ed device has been unregistered. However, if the socket is just close()d without the 2nd connect(), the remaining bo->bcm_proc_read triggers unnecessary remove_proc_entry() in bcm_release(). Let's clear bo->bcm_proc_read after remove_proc_entry() in bcm_notify(). [0] name '4986' WARNING: CPU: 0 PID: 5234 at fs/proc/generic.c:711 remove_proc_entry+0x2e7/0x5d0 fs/proc/generic.c:711 Modules linked in: CPU: 0 UID: 0 PID: 5234 Comm: syz-executor606 Not tainted 6.11.0-rc5-syzkaller-00178-g5517ae241919 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/06/2024 RIP: 0010:remove_proc_entry+0x2e7/0x5d0 fs/proc/generic.c:711 Code: ff eb 05 e8 cb 1e 5e ff 48 8b 5c 24 10 48 c7 c7 e0 f7 aa 8e e8 2a 38 8e 09 90 48 c7 c7 60 3a 1b 8c 48 89 de e8 da 42 20 ff 90 <0f> 0b 90 90 48 8b 44 24 18 48 c7 44 24 40 0e 36 e0 45 49 c7 04 07 RSP: 0018:ffffc9000345fa20 EFLAGS: 00010246 RAX: 2a2d0aee2eb64600 RBX: ffff888032f1f548 RCX: ffff888029431e00 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 RBP: ffffc9000345fb08 R08: ffffffff8155b2f2 R09: 1ffff1101710519a R10: dffffc0000000000 R11: ffffed101710519b R12: ffff888011d38640 R13: 0000000000000004 R14: 0000000000000000 R15: dffffc0000000000 FS: 0000000000000000(0000) GS:ffff8880b8800000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fcfb52722f0 CR3: 000000000e734000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: bcm_release+0x250/0x880 net/can/bcm.c:1578 __sock_release net/socket.c:659 [inline] sock_close+0xbc/0x240 net/socket.c:1421 __fput+0x24a/0x8a0 fs/file_table.c:422 task_work_run+0x24f/0x310 kernel/task_work.c:228 exit_task_work include/linux/task_work.h:40 [inline] do_exit+0xa2f/0x27f0 kernel/exit.c:882 do_group_exit+0x207/0x2c0 kernel/exit.c:1031 __do_sys_exit_group kernel/exit.c:1042 [inline] __se_sys_exit_group kernel/exit.c:1040 [inline] __x64_sys_exit_group+0x3f/0x40 kernel/exit.c:1040 x64_sys_call+0x2634/0x2640 arch/x86/include/generated/asm/syscalls_64.h:232 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7fcfb51ee969 Code: Unable to access opcode bytes at 0x7fcfb51ee93f. RSP: 002b:00007ffce0109ca8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007fcfb51ee969 RDX: 000000000000003c RSI: 00000000000000e7 RDI: 0000000000000001 RBP: 00007fcfb526f3b0 R08: ffffffffffffffb8 R09: 0000555500000000 R10: 0000555500000000 R11: 0000000000000246 R12: 00007fcfb526f3b0 R13: 0000000000000000 R14: 00007fcfb5271ee0 R15: 00007fcfb51bf160 Fixes: 76fe372ccb81 ("can: bcm: Remove proc entry when dev is unregistered.") Reported-by: syzbot+0532ac7a06fb1a03187e@syzkaller.appspotmail.com Closes: https://syzkaller.appspot.com/bug?extid=0532ac7a06fb1a03187e Tested-by: syzbot+0532ac7a06fb1a03187e@syzkaller.appspotmail.com Signed-off-by: Kuniyuki Iwashima Reviewed-by: Vincent Mailhol Link: https://patch.msgid.link/20240905012237.79683-1-kuniyu@amazon.com Signed-off-by: Marc Kleine-Budde Signed-off-by: Sasha Levin --- net/can/bcm.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/net/can/bcm.c b/net/can/bcm.c index b2b1bd672787..cb849b5a8c14 100644 --- a/net/can/bcm.c +++ b/net/can/bcm.c @@ -1424,8 +1424,10 @@ static void bcm_notify(struct bcm_sock *bo, unsigned long msg, /* remove device reference, if this is our bound device */ if (bo->bound && bo->ifindex == dev->ifindex) { #if IS_ENABLED(CONFIG_PROC_FS) - if (sock_net(sk)->can.bcmproc_dir && bo->bcm_proc_read) + if (sock_net(sk)->can.bcmproc_dir && bo->bcm_proc_read) { remove_proc_entry(bo->procname, sock_net(sk)->can.bcmproc_dir); + bo->bcm_proc_read = NULL; + } #endif bo->bound = 0; bo->ifindex = 0; From b6dce5b5a8233f1942415ab3976e431fe3246bf8 Mon Sep 17 00:00:00 2001 From: Faiz Abbas Date: Mon, 10 May 2021 10:55:41 +0530 Subject: [PATCH 078/649] can: m_can: Add support for transceiver as phy [ Upstream commit d836cb5fe045463cdab15ad6f278f7c7c194228f ] Add support for implementing transceiver node as phy. The max_bitrate is obtained by getting a phy attribute. Link: https://lore.kernel.org/r/20210724174001.553047-1-mkl@pengutronix.de Signed-off-by: Faiz Abbas Signed-off-by: Aswath Govindraju Signed-off-by: Marc Kleine-Budde Stable-dep-of: 2c09b50efcad ("can: m_can: m_can_close(): stop clocks after device has been shut down") Signed-off-by: Sasha Levin --- drivers/net/can/m_can/m_can.c | 11 ++++++++++- drivers/net/can/m_can/m_can.h | 2 ++ drivers/net/can/m_can/m_can_platform.c | 13 +++++++++++++ 3 files changed, 25 insertions(+), 1 deletion(-) diff --git a/drivers/net/can/m_can/m_can.c b/drivers/net/can/m_can/m_can.c index 19a19a7b7deb..f314d93aca0d 100644 --- a/drivers/net/can/m_can/m_can.c +++ b/drivers/net/can/m_can/m_can.c @@ -21,6 +21,7 @@ #include #include #include +#include #include "m_can.h" @@ -1438,6 +1439,8 @@ static int m_can_close(struct net_device *dev) close_candev(dev); can_led_event(dev, CAN_LED_EVENT_STOP); + phy_power_off(cdev->transceiver); + return 0; } @@ -1624,10 +1627,14 @@ static int m_can_open(struct net_device *dev) struct m_can_classdev *cdev = netdev_priv(dev); int err; - err = m_can_clk_start(cdev); + err = phy_power_on(cdev->transceiver); if (err) return err; + err = m_can_clk_start(cdev); + if (err) + goto out_phy_power_off; + /* open the can device */ err = open_candev(dev); if (err) { @@ -1679,6 +1686,8 @@ static int m_can_open(struct net_device *dev) close_candev(dev); exit_disable_clks: m_can_clk_stop(cdev); +out_phy_power_off: + phy_power_off(cdev->transceiver); return err; } diff --git a/drivers/net/can/m_can/m_can.h b/drivers/net/can/m_can/m_can.h index b2699a7c9997..8cad1235afa0 100644 --- a/drivers/net/can/m_can/m_can.h +++ b/drivers/net/can/m_can/m_can.h @@ -27,6 +27,7 @@ #include #include #include +#include /* m_can lec values */ enum m_can_lec_type { @@ -80,6 +81,7 @@ struct m_can_classdev { struct workqueue_struct *tx_wq; struct work_struct tx_work; struct sk_buff *tx_skb; + struct phy *transceiver; struct can_bittiming_const *bit_timing; struct can_bittiming_const *data_timing; diff --git a/drivers/net/can/m_can/m_can_platform.c b/drivers/net/can/m_can/m_can_platform.c index 161cb9be018c..dbebb9bba545 100644 --- a/drivers/net/can/m_can/m_can_platform.c +++ b/drivers/net/can/m_can/m_can_platform.c @@ -6,6 +6,7 @@ // Copyright (C) 2018-19 Texas Instruments Incorporated - http://www.ti.com/ #include +#include #include "m_can.h" @@ -60,6 +61,7 @@ static int m_can_plat_probe(struct platform_device *pdev) struct resource *res; void __iomem *addr; void __iomem *mram_addr; + struct phy *transceiver; int irq, ret = 0; mcan_class = m_can_class_allocate_dev(&pdev->dev); @@ -99,6 +101,16 @@ static int m_can_plat_probe(struct platform_device *pdev) goto probe_fail; } + transceiver = devm_phy_optional_get(&pdev->dev, NULL); + if (IS_ERR(transceiver)) { + ret = PTR_ERR(transceiver); + dev_err_probe(&pdev->dev, ret, "failed to get phy\n"); + goto probe_fail; + } + + if (transceiver) + mcan_class->can.bitrate_max = transceiver->attrs.max_link_rate; + priv->base = addr; priv->mram_base = mram_addr; @@ -106,6 +118,7 @@ static int m_can_plat_probe(struct platform_device *pdev) mcan_class->pm_clock_support = 1; mcan_class->can.clock.freq = clk_get_rate(mcan_class->cclk); mcan_class->dev = &pdev->dev; + mcan_class->transceiver = transceiver; mcan_class->ops = &m_can_plat_ops; From 3703e18a910f18eca9dfc35313d0db3ff4bfbac5 Mon Sep 17 00:00:00 2001 From: Marc Kleine-Budde Date: Mon, 9 Sep 2024 15:07:41 +0200 Subject: [PATCH 079/649] can: m_can: m_can_close(): stop clocks after device has been shut down [ Upstream commit 2c09b50efcad985cf920ca88baa9aa52b1999dcc ] After calling m_can_stop() an interrupt may be pending or NAPI might still be executed. This means the driver might still touch registers of the IP core after the clocks have been disabled. This is not good practice and might lead to aborts depending on the SoC integration. To avoid these potential problems, make m_can_close() symmetric to m_can_open(), i.e. stop the clocks at the end, right before shutting down the transceiver. Fixes: e0d1f4816f2a ("can: m_can: add Bosch M_CAN controller support") Link: https://patch.msgid.link/20240910-can-m_can-fix-ifup-v3-2-6c1720ba45ce@pengutronix.de Signed-off-by: Marc Kleine-Budde Signed-off-by: Sasha Levin --- drivers/net/can/m_can/m_can.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/net/can/m_can/m_can.c b/drivers/net/can/m_can/m_can.c index f314d93aca0d..6181ac277b62 100644 --- a/drivers/net/can/m_can/m_can.c +++ b/drivers/net/can/m_can/m_can.c @@ -1427,7 +1427,6 @@ static int m_can_close(struct net_device *dev) napi_disable(&cdev->napi); m_can_stop(dev); - m_can_clk_stop(cdev); free_irq(dev->irq, dev); if (cdev->is_peripheral) { @@ -1439,6 +1438,7 @@ static int m_can_close(struct net_device *dev) close_candev(dev); can_led_event(dev, CAN_LED_EVENT_STOP); + m_can_clk_stop(cdev); phy_power_off(cdev->transceiver); return 0; From 2accdb38c1c193fdbede6c6ec1a0a5306157a2a9 Mon Sep 17 00:00:00 2001 From: Luiz Augusto von Dentz Date: Mon, 9 Sep 2024 16:51:52 -0400 Subject: [PATCH 080/649] Bluetooth: btusb: Fix not handling ZPL/short-transfer [ Upstream commit 7b05933340f4490ef5b09e84d644d12484b05fdf ] Requesting transfers of the exact same size of wMaxPacketSize may result in ZPL/short-transfer since the USB stack cannot handle it as we are limiting the buffer size to be the same as wMaxPacketSize. Also, in terms of throughput this change has the same effect to interrupt endpoint as 290ba200815f "Bluetooth: Improve USB driver throughput by increasing the frame size" had for the bulk endpoint, so users of the advertisement bearer (e.g. BT Mesh) may benefit from this change. Fixes: 5e23b923da03 ("[Bluetooth] Add generic driver for Bluetooth USB devices") Signed-off-by: Luiz Augusto von Dentz Tested-by: Kiran K Signed-off-by: Sasha Levin --- drivers/bluetooth/btusb.c | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-) diff --git a/drivers/bluetooth/btusb.c b/drivers/bluetooth/btusb.c index b0d97c9ffd26..930dee28271e 100644 --- a/drivers/bluetooth/btusb.c +++ b/drivers/bluetooth/btusb.c @@ -928,7 +928,10 @@ static int btusb_submit_intr_urb(struct hci_dev *hdev, gfp_t mem_flags) if (!urb) return -ENOMEM; - size = le16_to_cpu(data->intr_ep->wMaxPacketSize); + /* Use maximum HCI Event size so the USB stack handles + * ZPL/short-transfer automatically. + */ + size = HCI_MAX_EVENT_SIZE; buf = kmalloc(size, mem_flags); if (!buf) { From cb1f7ef1f4151ac21413c7a8bf5e8013bff37a85 Mon Sep 17 00:00:00 2001 From: Guillaume Nault Date: Fri, 25 Jun 2021 15:33:01 +0200 Subject: [PATCH 081/649] bareudp: allow redirecting bareudp packets to eth devices [ Upstream commit 99c8719b79814cab3fd43519591dcc41c978a48c ] Even though bareudp transports L3 data (typically IP or MPLS), it needs to reset the mac_header pointer, so that other parts of the stack don't mistakenly access the outer header after the packet has been decapsulated. This allows to push an Ethernet header to bareudp packets and redirect them to an Ethernet device: $ tc filter add dev bareudp0 ingress matchall \ action vlan push_eth dst_mac 00:00:5e:00:53:01 \ src_mac 00:00:5e:00:53:00 \ action mirred egress redirect dev eth0 Without this patch, push_eth refuses to add an ethernet header because the skb appears to already have a MAC header. Signed-off-by: Guillaume Nault Signed-off-by: David S. Miller Stable-dep-of: 45fa29c85117 ("bareudp: Pull inner IP header in bareudp_udp_encap_recv().") Signed-off-by: Sasha Levin --- drivers/net/bareudp.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/net/bareudp.c b/drivers/net/bareudp.c index d9917120b8fa..1b774232b0df 100644 --- a/drivers/net/bareudp.c +++ b/drivers/net/bareudp.c @@ -139,6 +139,7 @@ static int bareudp_udp_encap_recv(struct sock *sk, struct sk_buff *skb) skb->dev = bareudp->dev; oiph = skb_network_header(skb); skb_reset_network_header(skb); + skb_reset_mac_header(skb); if (!ipv6_mod_enabled() || family == AF_INET) err = IP_ECN_decapsulate(oiph, skb); From 76851c70a5cfa5444718ba00f87d067ecc816ea0 Mon Sep 17 00:00:00 2001 From: Guillaume Nault Date: Wed, 11 Sep 2024 11:20:58 +0200 Subject: [PATCH 082/649] bareudp: Pull inner IP header in bareudp_udp_encap_recv(). [ Upstream commit 45fa29c85117170b0508790f878b13ec6593c888 ] Bareudp reads the inner IP header to get the ECN value. Therefore, it needs to ensure that it's part of the skb's linear data. This is similar to the vxlan and geneve fixes for that same problem: * commit f7789419137b ("vxlan: Pull inner IP header in vxlan_rcv().") * commit 1ca1ba465e55 ("geneve: make sure to pull inner header in geneve_rx()") Fixes: 571912c69f0e ("net: UDP tunnel encapsulation module for tunnelling different protocols like MPLS, IP, NSH etc.") Signed-off-by: Guillaume Nault Reviewed-by: Willem de Bruijn Link: https://patch.msgid.link/5205940067c40218a70fbb888080466b2fc288db.1726046181.git.gnault@redhat.com Signed-off-by: Jakub Kicinski Signed-off-by: Sasha Levin --- drivers/net/bareudp.c | 20 ++++++++++++++++++-- 1 file changed, 18 insertions(+), 2 deletions(-) diff --git a/drivers/net/bareudp.c b/drivers/net/bareudp.c index 1b774232b0df..8efd61bdee99 100644 --- a/drivers/net/bareudp.c +++ b/drivers/net/bareudp.c @@ -60,6 +60,7 @@ static int bareudp_udp_encap_recv(struct sock *sk, struct sk_buff *skb) __be16 proto; void *oiph; int err; + int nh; bareudp = rcu_dereference_sk_user_data(sk); if (!bareudp) @@ -137,10 +138,25 @@ static int bareudp_udp_encap_recv(struct sock *sk, struct sk_buff *skb) } skb_dst_set(skb, &tun_dst->dst); skb->dev = bareudp->dev; - oiph = skb_network_header(skb); - skb_reset_network_header(skb); skb_reset_mac_header(skb); + /* Save offset of outer header relative to skb->head, + * because we are going to reset the network header to the inner header + * and might change skb->head. + */ + nh = skb_network_header(skb) - skb->head; + + skb_reset_network_header(skb); + + if (!pskb_inet_may_pull(skb)) { + DEV_STATS_INC(bareudp->dev, rx_length_errors); + DEV_STATS_INC(bareudp->dev, rx_errors); + goto drop; + } + + /* Get the outer header. */ + oiph = skb->head + nh; + if (!ipv6_mod_enabled() || family == AF_INET) err = IP_ECN_decapsulate(oiph, skb); else From 3b84799ea26ea3304d48d65079d8a37e92f7cdbc Mon Sep 17 00:00:00 2001 From: Eyal Birger Date: Wed, 16 Mar 2022 08:15:57 +0200 Subject: [PATCH 083/649] net: geneve: support IPv4/IPv6 as inner protocol [ Upstream commit 435fe1c0c1f74b682dba85641406abf4337aade6 ] This patch adds support for encapsulating IPv4/IPv6 within GENEVE. In order to use this, a new IFLA_GENEVE_INNER_PROTO_INHERIT flag needs to be provided at device creation. This property cannot be changed for the time being. In case IP traffic is received on a non-tun device the drop count is increased. Signed-off-by: Eyal Birger Link: https://lore.kernel.org/r/20220316061557.431872-1-eyal.birger@gmail.com Signed-off-by: Paolo Abeni Stable-dep-of: c471236b2359 ("bareudp: Pull inner IP header on xmit.") Signed-off-by: Sasha Levin --- drivers/net/geneve.c | 82 +++++++++++++++++++++++++++--------- include/uapi/linux/if_link.h | 1 + 2 files changed, 64 insertions(+), 19 deletions(-) diff --git a/drivers/net/geneve.c b/drivers/net/geneve.c index 08b479f04ed0..88c3805978f2 100644 --- a/drivers/net/geneve.c +++ b/drivers/net/geneve.c @@ -54,6 +54,7 @@ struct geneve_config { bool use_udp6_rx_checksums; bool ttl_inherit; enum ifla_geneve_df df; + bool inner_proto_inherit; }; /* Pseudo network device */ @@ -249,17 +250,24 @@ static void geneve_rx(struct geneve_dev *geneve, struct geneve_sock *gs, } } - skb_reset_mac_header(skb); - skb->protocol = eth_type_trans(skb, geneve->dev); - skb_postpull_rcsum(skb, eth_hdr(skb), ETH_HLEN); - if (tun_dst) skb_dst_set(skb, &tun_dst->dst); - /* Ignore packet loops (and multicast echo) */ - if (ether_addr_equal(eth_hdr(skb)->h_source, geneve->dev->dev_addr)) { - geneve->dev->stats.rx_errors++; - goto drop; + if (gnvh->proto_type == htons(ETH_P_TEB)) { + skb_reset_mac_header(skb); + skb->protocol = eth_type_trans(skb, geneve->dev); + skb_postpull_rcsum(skb, eth_hdr(skb), ETH_HLEN); + + /* Ignore packet loops (and multicast echo) */ + if (ether_addr_equal(eth_hdr(skb)->h_source, + geneve->dev->dev_addr)) { + geneve->dev->stats.rx_errors++; + goto drop; + } + } else { + skb_reset_mac_header(skb); + skb->dev = geneve->dev; + skb->pkt_type = PACKET_HOST; } /* Save offset of outer header relative to skb->head, @@ -357,6 +365,7 @@ static int geneve_udp_encap_recv(struct sock *sk, struct sk_buff *skb) struct genevehdr *geneveh; struct geneve_dev *geneve; struct geneve_sock *gs; + __be16 inner_proto; int opts_len; /* Need UDP and Geneve header to be present */ @@ -368,7 +377,11 @@ static int geneve_udp_encap_recv(struct sock *sk, struct sk_buff *skb) if (unlikely(geneveh->ver != GENEVE_VER)) goto drop; - if (unlikely(geneveh->proto_type != htons(ETH_P_TEB))) + inner_proto = geneveh->proto_type; + + if (unlikely((inner_proto != htons(ETH_P_TEB) && + inner_proto != htons(ETH_P_IP) && + inner_proto != htons(ETH_P_IPV6)))) goto drop; gs = rcu_dereference_sk_user_data(sk); @@ -379,9 +392,14 @@ static int geneve_udp_encap_recv(struct sock *sk, struct sk_buff *skb) if (!geneve) goto drop; + if (unlikely((!geneve->cfg.inner_proto_inherit && + inner_proto != htons(ETH_P_TEB)))) { + geneve->dev->stats.rx_dropped++; + goto drop; + } + opts_len = geneveh->opt_len * 4; - if (iptunnel_pull_header(skb, GENEVE_BASE_HLEN + opts_len, - htons(ETH_P_TEB), + if (iptunnel_pull_header(skb, GENEVE_BASE_HLEN + opts_len, inner_proto, !net_eq(geneve->net, dev_net(geneve->dev)))) { geneve->dev->stats.rx_dropped++; goto drop; @@ -728,7 +746,8 @@ static int geneve_stop(struct net_device *dev) } static void geneve_build_header(struct genevehdr *geneveh, - const struct ip_tunnel_info *info) + const struct ip_tunnel_info *info, + __be16 inner_proto) { geneveh->ver = GENEVE_VER; geneveh->opt_len = info->options_len / 4; @@ -736,7 +755,7 @@ static void geneve_build_header(struct genevehdr *geneveh, geneveh->critical = !!(info->key.tun_flags & TUNNEL_CRIT_OPT); geneveh->rsvd1 = 0; tunnel_id_to_vni(info->key.tun_id, geneveh->vni); - geneveh->proto_type = htons(ETH_P_TEB); + geneveh->proto_type = inner_proto; geneveh->rsvd2 = 0; if (info->key.tun_flags & TUNNEL_GENEVE_OPT) @@ -745,10 +764,12 @@ static void geneve_build_header(struct genevehdr *geneveh, static int geneve_build_skb(struct dst_entry *dst, struct sk_buff *skb, const struct ip_tunnel_info *info, - bool xnet, int ip_hdr_len) + bool xnet, int ip_hdr_len, + bool inner_proto_inherit) { bool udp_sum = !!(info->key.tun_flags & TUNNEL_CSUM); struct genevehdr *gnvh; + __be16 inner_proto; int min_headroom; int err; @@ -766,8 +787,9 @@ static int geneve_build_skb(struct dst_entry *dst, struct sk_buff *skb, goto free_dst; gnvh = __skb_push(skb, sizeof(*gnvh) + info->options_len); - geneve_build_header(gnvh, info); - skb_set_inner_protocol(skb, htons(ETH_P_TEB)); + inner_proto = inner_proto_inherit ? skb->protocol : htons(ETH_P_TEB); + geneve_build_header(gnvh, info, inner_proto); + skb_set_inner_protocol(skb, inner_proto); return 0; free_dst: @@ -973,7 +995,8 @@ static int geneve_xmit_skb(struct sk_buff *skb, struct net_device *dev, } } - err = geneve_build_skb(&rt->dst, skb, info, xnet, sizeof(struct iphdr)); + err = geneve_build_skb(&rt->dst, skb, info, xnet, sizeof(struct iphdr), + geneve->cfg.inner_proto_inherit); if (unlikely(err)) return err; @@ -1052,7 +1075,8 @@ static int geneve6_xmit_skb(struct sk_buff *skb, struct net_device *dev, ttl = key->ttl; ttl = ttl ? : ip6_dst_hoplimit(dst); } - err = geneve_build_skb(dst, skb, info, xnet, sizeof(struct ipv6hdr)); + err = geneve_build_skb(dst, skb, info, xnet, sizeof(struct ipv6hdr), + geneve->cfg.inner_proto_inherit); if (unlikely(err)) return err; @@ -1401,6 +1425,14 @@ static int geneve_configure(struct net *net, struct net_device *dev, dst_cache_reset(&geneve->cfg.info.dst_cache); memcpy(&geneve->cfg, cfg, sizeof(*cfg)); + if (geneve->cfg.inner_proto_inherit) { + dev->header_ops = NULL; + dev->type = ARPHRD_NONE; + dev->hard_header_len = 0; + dev->addr_len = 0; + dev->flags = IFF_NOARP; + } + err = register_netdevice(dev); if (err) return err; @@ -1574,10 +1606,18 @@ static int geneve_nl2info(struct nlattr *tb[], struct nlattr *data[], #endif } + if (data[IFLA_GENEVE_INNER_PROTO_INHERIT]) { + if (changelink) { + attrtype = IFLA_GENEVE_INNER_PROTO_INHERIT; + goto change_notsup; + } + cfg->inner_proto_inherit = true; + } + return 0; change_notsup: NL_SET_ERR_MSG_ATTR(extack, data[attrtype], - "Changing VNI, Port, endpoint IP address family, external, and UDP checksum attributes are not supported"); + "Changing VNI, Port, endpoint IP address family, external, inner_proto_inherit, and UDP checksum attributes are not supported"); return -EOPNOTSUPP; } @@ -1812,6 +1852,10 @@ static int geneve_fill_info(struct sk_buff *skb, const struct net_device *dev) if (nla_put_u8(skb, IFLA_GENEVE_TTL_INHERIT, ttl_inherit)) goto nla_put_failure; + if (geneve->cfg.inner_proto_inherit && + nla_put_flag(skb, IFLA_GENEVE_INNER_PROTO_INHERIT)) + goto nla_put_failure; + return 0; nla_put_failure: diff --git a/include/uapi/linux/if_link.h b/include/uapi/linux/if_link.h index c4b23f06f69e..9334f2128bb2 100644 --- a/include/uapi/linux/if_link.h +++ b/include/uapi/linux/if_link.h @@ -761,6 +761,7 @@ enum { IFLA_GENEVE_LABEL, IFLA_GENEVE_TTL_INHERIT, IFLA_GENEVE_DF, + IFLA_GENEVE_INNER_PROTO_INHERIT, __IFLA_GENEVE_MAX }; #define IFLA_GENEVE_MAX (__IFLA_GENEVE_MAX - 1) From b48fae6788b384341dac2b56b3d3e4c457fb490e Mon Sep 17 00:00:00 2001 From: Gal Pressman Date: Thu, 6 Jun 2024 23:32:48 +0300 Subject: [PATCH 084/649] geneve: Fix incorrect inner network header offset when innerprotoinherit is set [ Upstream commit c6ae073f5903f6c6439d0ac855836a4da5c0a701 ] When innerprotoinherit is set, the tunneled packets do not have an inner Ethernet header. Change 'maclen' to not always assume the header length is ETH_HLEN, as there might not be a MAC header. This resolves issues with drivers (e.g. mlx5, in mlx5e_tx_tunnel_accel()) who rely on the skb inner network header offset to be correct, and use it for TX offloads. Fixes: d8a6213d70ac ("geneve: fix header validation in geneve[6]_xmit_skb") Signed-off-by: Gal Pressman Signed-off-by: Tariq Toukan Reviewed-by: Wojciech Drewek Signed-off-by: David S. Miller Stable-dep-of: c471236b2359 ("bareudp: Pull inner IP header on xmit.") Signed-off-by: Sasha Levin --- drivers/net/geneve.c | 10 ++++++---- include/net/ip_tunnels.h | 5 +++-- 2 files changed, 9 insertions(+), 6 deletions(-) diff --git a/drivers/net/geneve.c b/drivers/net/geneve.c index 88c3805978f2..420e80417172 100644 --- a/drivers/net/geneve.c +++ b/drivers/net/geneve.c @@ -912,6 +912,7 @@ static int geneve_xmit_skb(struct sk_buff *skb, struct net_device *dev, struct geneve_dev *geneve, const struct ip_tunnel_info *info) { + bool inner_proto_inherit = geneve->cfg.inner_proto_inherit; bool xnet = !net_eq(geneve->net, dev_net(geneve->dev)); struct geneve_sock *gs4 = rcu_dereference(geneve->sock4); const struct ip_tunnel_key *key = &info->key; @@ -923,7 +924,7 @@ static int geneve_xmit_skb(struct sk_buff *skb, struct net_device *dev, __be16 sport; int err; - if (!skb_vlan_inet_prepare(skb)) + if (!skb_vlan_inet_prepare(skb, inner_proto_inherit)) return -EINVAL; sport = udp_flow_src_port(geneve->net, skb, 1, USHRT_MAX, true); @@ -996,7 +997,7 @@ static int geneve_xmit_skb(struct sk_buff *skb, struct net_device *dev, } err = geneve_build_skb(&rt->dst, skb, info, xnet, sizeof(struct iphdr), - geneve->cfg.inner_proto_inherit); + inner_proto_inherit); if (unlikely(err)) return err; @@ -1012,6 +1013,7 @@ static int geneve6_xmit_skb(struct sk_buff *skb, struct net_device *dev, struct geneve_dev *geneve, const struct ip_tunnel_info *info) { + bool inner_proto_inherit = geneve->cfg.inner_proto_inherit; bool xnet = !net_eq(geneve->net, dev_net(geneve->dev)); struct geneve_sock *gs6 = rcu_dereference(geneve->sock6); const struct ip_tunnel_key *key = &info->key; @@ -1021,7 +1023,7 @@ static int geneve6_xmit_skb(struct sk_buff *skb, struct net_device *dev, __be16 sport; int err; - if (!skb_vlan_inet_prepare(skb)) + if (!skb_vlan_inet_prepare(skb, inner_proto_inherit)) return -EINVAL; sport = udp_flow_src_port(geneve->net, skb, 1, USHRT_MAX, true); @@ -1076,7 +1078,7 @@ static int geneve6_xmit_skb(struct sk_buff *skb, struct net_device *dev, ttl = ttl ? : ip6_dst_hoplimit(dst); } err = geneve_build_skb(dst, skb, info, xnet, sizeof(struct ipv6hdr), - geneve->cfg.inner_proto_inherit); + inner_proto_inherit); if (unlikely(err)) return err; diff --git a/include/net/ip_tunnels.h b/include/net/ip_tunnels.h index 1f016af0622b..9c96c02f45b1 100644 --- a/include/net/ip_tunnels.h +++ b/include/net/ip_tunnels.h @@ -335,9 +335,10 @@ static inline bool pskb_inet_may_pull(struct sk_buff *skb) /* Variant of pskb_inet_may_pull(). */ -static inline bool skb_vlan_inet_prepare(struct sk_buff *skb) +static inline bool skb_vlan_inet_prepare(struct sk_buff *skb, + bool inner_proto_inherit) { - int nhlen = 0, maclen = ETH_HLEN; + int nhlen = 0, maclen = inner_proto_inherit ? 0 : ETH_HLEN; __be16 type = skb->protocol; /* Essentially this is skb_protocol(skb, true) From e296245ca85abeacdf700ad3bba55b3a667e7ef0 Mon Sep 17 00:00:00 2001 From: Guillaume Nault Date: Wed, 11 Sep 2024 11:21:05 +0200 Subject: [PATCH 085/649] bareudp: Pull inner IP header on xmit. [ Upstream commit c471236b2359e6b27388475dd04fff0a5e2bf922 ] Both bareudp_xmit_skb() and bareudp6_xmit_skb() read their skb's inner IP header to get its ECN value (with ip_tunnel_ecn_encap()). Therefore we need to ensure that the inner IP header is part of the skb's linear data. Fixes: 571912c69f0e ("net: UDP tunnel encapsulation module for tunnelling different protocols like MPLS, IP, NSH etc.") Signed-off-by: Guillaume Nault Reviewed-by: Willem de Bruijn Link: https://patch.msgid.link/267328222f0a11519c6de04c640a4f87a38ea9ed.1726046181.git.gnault@redhat.com Signed-off-by: Jakub Kicinski Signed-off-by: Sasha Levin --- drivers/net/bareudp.c | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/drivers/net/bareudp.c b/drivers/net/bareudp.c index 8efd61bdee99..826f912ea820 100644 --- a/drivers/net/bareudp.c +++ b/drivers/net/bareudp.c @@ -311,6 +311,9 @@ static int bareudp_xmit_skb(struct sk_buff *skb, struct net_device *dev, __be32 saddr; int err; + if (!skb_vlan_inet_prepare(skb, skb->protocol != htons(ETH_P_TEB))) + return -EINVAL; + if (!sock) return -ESHUTDOWN; @@ -374,6 +377,9 @@ static int bareudp6_xmit_skb(struct sk_buff *skb, struct net_device *dev, __be16 sport; int err; + if (!skb_vlan_inet_prepare(skb, skb->protocol != htons(ETH_P_TEB))) + return -EINVAL; + if (!sock) return -ESHUTDOWN; From 5755eabda22cdda2841177f8a1348d6f66943b43 Mon Sep 17 00:00:00 2001 From: Jinjie Ruan Date: Wed, 11 Sep 2024 17:44:44 +0800 Subject: [PATCH 086/649] net: enetc: Use IRQF_NO_AUTOEN flag in request_irq() [ Upstream commit 799a9225997799f7b1b579bc50a93b78b4fb2a01 ] disable_irq() after request_irq() still has a time gap in which interrupts can come. request_irq() with IRQF_NO_AUTOEN flag will disable IRQ auto-enable when request IRQ. Fixes: bbb96dc7fa1a ("enetc: Factor out the traffic start/stop procedures") Signed-off-by: Jinjie Ruan Link: https://patch.msgid.link/20240911094445.1922476-3-ruanjinjie@huawei.com Signed-off-by: Jakub Kicinski Signed-off-by: Sasha Levin --- drivers/net/ethernet/freescale/enetc/enetc.c | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-) diff --git a/drivers/net/ethernet/freescale/enetc/enetc.c b/drivers/net/ethernet/freescale/enetc/enetc.c index 5f9603d4c049..18c862124667 100644 --- a/drivers/net/ethernet/freescale/enetc/enetc.c +++ b/drivers/net/ethernet/freescale/enetc/enetc.c @@ -1333,12 +1333,11 @@ static int enetc_setup_irqs(struct enetc_ndev_priv *priv) snprintf(v->name, sizeof(v->name), "%s-rxtx%d", priv->ndev->name, i); - err = request_irq(irq, enetc_msix, 0, v->name, v); + err = request_irq(irq, enetc_msix, IRQF_NO_AUTOEN, v->name, v); if (err) { dev_err(priv->dev, "request_irq() failed!\n"); goto irq_err; } - disable_irq(irq); v->tbier_base = hw->reg + ENETC_BDR(TX, 0, ENETC_TBIER); v->rbier = hw->reg + ENETC_BDR(RX, i, ENETC_RBIER); From 3df68f37c567e6e8b7dd2bb8ef3ebcc45bb50b02 Mon Sep 17 00:00:00 2001 From: Heiner Kallweit Date: Wed, 11 Sep 2024 15:51:11 +0200 Subject: [PATCH 087/649] r8169: disable ALDPS per default for RTL8125 [ Upstream commit b9c7ac4fe22c608acf6153a3329df2b6b6cd416c ] En-Wei reported that traffic breaks if cable is unplugged for more than 3s and then re-plugged. This was supposed to be fixed by 621735f59064 ("r8169: fix rare issue with broken rx after link-down on RTL8125"). But apparently this didn't fix the issue for everybody. The 3s threshold rang a bell, as this is the delay after which ALDPS kicks in. And indeed disabling ALDPS fixes the issue for this user. Maybe this fixes the issue in general. In a follow-up step we could remove the first fix attempt and see whether anybody complains. Fixes: f1bce4ad2f1c ("r8169: add support for RTL8125") Tested-by: En-Wei WU Signed-off-by: Heiner Kallweit Link: https://patch.msgid.link/778b9d86-05c4-4856-be59-cde4487b9e52@gmail.com Signed-off-by: Jakub Kicinski Signed-off-by: Sasha Levin --- drivers/net/ethernet/realtek/r8169_phy_config.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/drivers/net/ethernet/realtek/r8169_phy_config.c b/drivers/net/ethernet/realtek/r8169_phy_config.c index e18a76f5049f..f8f6f2ce3db3 100644 --- a/drivers/net/ethernet/realtek/r8169_phy_config.c +++ b/drivers/net/ethernet/realtek/r8169_phy_config.c @@ -1263,6 +1263,7 @@ static void rtl8125a_2_hw_phy_config(struct rtl8169_private *tp, phy_modify_paged(phydev, 0xa86, 0x15, 0x0001, 0x0000); rtl8168g_enable_gphy_10m(phydev); + rtl8168g_disable_aldps(phydev); rtl8125a_config_eee_phy(phydev); } @@ -1302,6 +1303,7 @@ static void rtl8125b_hw_phy_config(struct rtl8169_private *tp, phy_modify_paged(phydev, 0xbf8, 0x12, 0xe000, 0xa000); rtl8125_legacy_force_mode(phydev); + rtl8168g_disable_aldps(phydev); rtl8125b_config_eee_phy(phydev); } From 207503742cafe5d579282a8e095ed3d7acd4ba32 Mon Sep 17 00:00:00 2001 From: Justin Iurman Date: Wed, 11 Sep 2024 19:45:57 +0200 Subject: [PATCH 088/649] net: ipv6: rpl_iptunnel: Fix memory leak in rpl_input [ Upstream commit 2c84b0aa28b9e73e8c4b4ce038269469434ae372 ] Free the skb before returning from rpl_input when skb_cow_head() fails. Use a "drop" label and goto instructions. Fixes: a7a29f9c361f ("net: ipv6: add rpl sr tunnel") Signed-off-by: Justin Iurman Reviewed-by: Simon Horman Link: https://patch.msgid.link/20240911174557.11536-1-justin.iurman@uliege.be Signed-off-by: Jakub Kicinski Signed-off-by: Sasha Levin --- net/ipv6/rpl_iptunnel.c | 12 +++++++----- 1 file changed, 7 insertions(+), 5 deletions(-) diff --git a/net/ipv6/rpl_iptunnel.c b/net/ipv6/rpl_iptunnel.c index 2ba605db6976..274593b7c610 100644 --- a/net/ipv6/rpl_iptunnel.c +++ b/net/ipv6/rpl_iptunnel.c @@ -268,10 +268,8 @@ static int rpl_input(struct sk_buff *skb) rlwt = rpl_lwt_lwtunnel(orig_dst->lwtstate); err = rpl_do_srh(skb, rlwt); - if (unlikely(err)) { - kfree_skb(skb); - return err; - } + if (unlikely(err)) + goto drop; local_bh_disable(); dst = dst_cache_get(&rlwt->cache); @@ -292,9 +290,13 @@ static int rpl_input(struct sk_buff *skb) err = skb_cow_head(skb, LL_RESERVED_SPACE(dst->dev)); if (unlikely(err)) - return err; + goto drop; return dst_input(skb); + +drop: + kfree_skb(skb); + return err; } static int nla_put_rpl_srh(struct sk_buff *skb, int attrtype, From cab9ff7fe83f0a5cce4efa5ad922eeb97d0e8fec Mon Sep 17 00:00:00 2001 From: Su Hui Date: Thu, 12 Sep 2024 19:01:20 +0800 Subject: [PATCH 089/649] net: tipc: avoid possible garbage value [ Upstream commit 99655a304e450baaae6b396cb942b9e47659d644 ] Clang static checker (scan-build) warning: net/tipc/bcast.c:305:4: The expression is an uninitialized value. The computed value will also be garbage [core.uninitialized.Assign] 305 | (*cong_link_cnt)++; | ^~~~~~~~~~~~~~~~~~ tipc_rcast_xmit() will increase cong_link_cnt's value, but cong_link_cnt is uninitialized. Although it won't really cause a problem, it's better to fix it. Fixes: dca4a17d24ee ("tipc: fix potential hanging after b/rcast changing") Signed-off-by: Su Hui Reviewed-by: Justin Stitt Link: https://patch.msgid.link/20240912110119.2025503-1-suhui@nfschina.com Signed-off-by: Jakub Kicinski Signed-off-by: Sasha Levin --- net/tipc/bcast.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/net/tipc/bcast.c b/net/tipc/bcast.c index 593846d25214..114fef65f92e 100644 --- a/net/tipc/bcast.c +++ b/net/tipc/bcast.c @@ -320,8 +320,8 @@ static int tipc_mcast_send_sync(struct net *net, struct sk_buff *skb, { struct tipc_msg *hdr, *_hdr; struct sk_buff_head tmpq; + u16 cong_link_cnt = 0; struct sk_buff *_skb; - u16 cong_link_cnt; int rc = 0; /* Is a cluster supporting with new capabilities ? */ From e1277ae780cca4e69ef5468d4582dfd48f0b8320 Mon Sep 17 00:00:00 2001 From: Yu Kuai Date: Mon, 2 Sep 2024 21:03:26 +0800 Subject: [PATCH 090/649] block, bfq: fix possible UAF for bfqq->bic with merge chain MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit [ Upstream commit 18ad4df091dd5d067d2faa8fce1180b79f7041a7 ] 1) initial state, three tasks: Process 1 Process 2 Process 3 (BIC1) (BIC2) (BIC3) | Λ | Λ | Λ | | | | | | V | V | V | bfqq1 bfqq2 bfqq3 process ref: 1 1 1 2) bfqq1 merged to bfqq2: Process 1 Process 2 Process 3 (BIC1) (BIC2) (BIC3) | | | Λ \--------------\| | | V V | bfqq1--------->bfqq2 bfqq3 process ref: 0 2 1 3) bfqq2 merged to bfqq3: Process 1 Process 2 Process 3 (BIC1) (BIC2) (BIC3) here -> Λ | | \--------------\ \-------------\| V V bfqq1--------->bfqq2---------->bfqq3 process ref: 0 1 3 In this case, IO from Process 1 will get bfqq2 from BIC1 first, and then get bfqq3 through merge chain, and finially handle IO by bfqq3. Howerver, current code will think bfqq2 is owned by BIC1, like initial state, and set bfqq2->bic to BIC1. bfq_insert_request -> by Process 1 bfqq = bfq_init_rq(rq) bfqq = bfq_get_bfqq_handle_split bfqq = bic_to_bfqq -> get bfqq2 from BIC1 bfqq->ref++ rq->elv.priv[0] = bic rq->elv.priv[1] = bfqq if (bfqq_process_refs(bfqq) == 1) bfqq->bic = bic -> record BIC1 to bfqq2 __bfq_insert_request new_bfqq = bfq_setup_cooperator -> get bfqq3 from bfqq2->new_bfqq bfqq_request_freed(bfqq) new_bfqq->ref++ rq->elv.priv[1] = new_bfqq -> handle IO by bfqq3 Fix the problem by checking bfqq is from merge chain fist. And this might fix a following problem reported by our syzkaller(unreproducible): ================================================================== BUG: KASAN: slab-use-after-free in bfq_do_early_stable_merge block/bfq-iosched.c:5692 [inline] BUG: KASAN: slab-use-after-free in bfq_do_or_sched_stable_merge block/bfq-iosched.c:5805 [inline] BUG: KASAN: slab-use-after-free in bfq_get_queue+0x25b0/0x2610 block/bfq-iosched.c:5889 Write of size 1 at addr ffff888123839eb8 by task kworker/0:1H/18595 CPU: 0 PID: 18595 Comm: kworker/0:1H Tainted: G L 6.6.0-07439-gba2303cacfda #6 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.14.0-0-g155821a1990b-prebuilt.qemu.org 04/01/2014 Workqueue: kblockd blk_mq_requeue_work Call Trace: __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0x91/0xf0 lib/dump_stack.c:106 print_address_description mm/kasan/report.c:364 [inline] print_report+0x10d/0x610 mm/kasan/report.c:475 kasan_report+0x8e/0xc0 mm/kasan/report.c:588 bfq_do_early_stable_merge block/bfq-iosched.c:5692 [inline] bfq_do_or_sched_stable_merge block/bfq-iosched.c:5805 [inline] bfq_get_queue+0x25b0/0x2610 block/bfq-iosched.c:5889 bfq_get_bfqq_handle_split+0x169/0x5d0 block/bfq-iosched.c:6757 bfq_init_rq block/bfq-iosched.c:6876 [inline] bfq_insert_request block/bfq-iosched.c:6254 [inline] bfq_insert_requests+0x1112/0x5cf0 block/bfq-iosched.c:6304 blk_mq_insert_request+0x290/0x8d0 block/blk-mq.c:2593 blk_mq_requeue_work+0x6bc/0xa70 block/blk-mq.c:1502 process_one_work kernel/workqueue.c:2627 [inline] process_scheduled_works+0x432/0x13f0 kernel/workqueue.c:2700 worker_thread+0x6f2/0x1160 kernel/workqueue.c:2781 kthread+0x33c/0x440 kernel/kthread.c:388 ret_from_fork+0x4d/0x80 arch/x86/kernel/process.c:147 ret_from_fork_asm+0x1b/0x30 arch/x86/entry/entry_64.S:305 Allocated by task 20776: kasan_save_stack+0x20/0x40 mm/kasan/common.c:45 kasan_set_track+0x25/0x30 mm/kasan/common.c:52 __kasan_slab_alloc+0x87/0x90 mm/kasan/common.c:328 kasan_slab_alloc include/linux/kasan.h:188 [inline] slab_post_alloc_hook mm/slab.h:763 [inline] slab_alloc_node mm/slub.c:3458 [inline] kmem_cache_alloc_node+0x1a4/0x6f0 mm/slub.c:3503 ioc_create_icq block/blk-ioc.c:370 [inline] ioc_find_get_icq+0x180/0xaa0 block/blk-ioc.c:436 bfq_prepare_request+0x39/0xf0 block/bfq-iosched.c:6812 blk_mq_rq_ctx_init.isra.7+0x6ac/0xa00 block/blk-mq.c:403 __blk_mq_alloc_requests+0xcc0/0x1070 block/blk-mq.c:517 blk_mq_get_new_requests block/blk-mq.c:2940 [inline] blk_mq_submit_bio+0x624/0x27c0 block/blk-mq.c:3042 __submit_bio+0x331/0x6f0 block/blk-core.c:624 __submit_bio_noacct_mq block/blk-core.c:703 [inline] submit_bio_noacct_nocheck+0x816/0xb40 block/blk-core.c:732 submit_bio_noacct+0x7a6/0x1b50 block/blk-core.c:826 xlog_write_iclog+0x7d5/0xa00 fs/xfs/xfs_log.c:1958 xlog_state_release_iclog+0x3b8/0x720 fs/xfs/xfs_log.c:619 xlog_cil_push_work+0x19c5/0x2270 fs/xfs/xfs_log_cil.c:1330 process_one_work kernel/workqueue.c:2627 [inline] process_scheduled_works+0x432/0x13f0 kernel/workqueue.c:2700 worker_thread+0x6f2/0x1160 kernel/workqueue.c:2781 kthread+0x33c/0x440 kernel/kthread.c:388 ret_from_fork+0x4d/0x80 arch/x86/kernel/process.c:147 ret_from_fork_asm+0x1b/0x30 arch/x86/entry/entry_64.S:305 Freed by task 946: kasan_save_stack+0x20/0x40 mm/kasan/common.c:45 kasan_set_track+0x25/0x30 mm/kasan/common.c:52 kasan_save_free_info+0x2b/0x50 mm/kasan/generic.c:522 ____kasan_slab_free mm/kasan/common.c:236 [inline] __kasan_slab_free+0x12c/0x1c0 mm/kasan/common.c:244 kasan_slab_free include/linux/kasan.h:164 [inline] slab_free_hook mm/slub.c:1815 [inline] slab_free_freelist_hook mm/slub.c:1841 [inline] slab_free mm/slub.c:3786 [inline] kmem_cache_free+0x118/0x6f0 mm/slub.c:3808 rcu_do_batch+0x35c/0xe30 kernel/rcu/tree.c:2189 rcu_core+0x819/0xd90 kernel/rcu/tree.c:2462 __do_softirq+0x1b0/0x7a2 kernel/softirq.c:553 Last potentially related work creation: kasan_save_stack+0x20/0x40 mm/kasan/common.c:45 __kasan_record_aux_stack+0xaf/0xc0 mm/kasan/generic.c:492 __call_rcu_common kernel/rcu/tree.c:2712 [inline] call_rcu+0xce/0x1020 kernel/rcu/tree.c:2826 ioc_destroy_icq+0x54c/0x830 block/blk-ioc.c:105 ioc_release_fn+0xf0/0x360 block/blk-ioc.c:124 process_one_work kernel/workqueue.c:2627 [inline] process_scheduled_works+0x432/0x13f0 kernel/workqueue.c:2700 worker_thread+0x6f2/0x1160 kernel/workqueue.c:2781 kthread+0x33c/0x440 kernel/kthread.c:388 ret_from_fork+0x4d/0x80 arch/x86/kernel/process.c:147 ret_from_fork_asm+0x1b/0x30 arch/x86/entry/entry_64.S:305 Second to last potentially related work creation: kasan_save_stack+0x20/0x40 mm/kasan/common.c:45 __kasan_record_aux_stack+0xaf/0xc0 mm/kasan/generic.c:492 __call_rcu_common kernel/rcu/tree.c:2712 [inline] call_rcu+0xce/0x1020 kernel/rcu/tree.c:2826 ioc_destroy_icq+0x54c/0x830 block/blk-ioc.c:105 ioc_release_fn+0xf0/0x360 block/blk-ioc.c:124 process_one_work kernel/workqueue.c:2627 [inline] process_scheduled_works+0x432/0x13f0 kernel/workqueue.c:2700 worker_thread+0x6f2/0x1160 kernel/workqueue.c:2781 kthread+0x33c/0x440 kernel/kthread.c:388 ret_from_fork+0x4d/0x80 arch/x86/kernel/process.c:147 ret_from_fork_asm+0x1b/0x30 arch/x86/entry/entry_64.S:305 The buggy address belongs to the object at ffff888123839d68 which belongs to the cache bfq_io_cq of size 1360 The buggy address is located 336 bytes inside of freed 1360-byte region [ffff888123839d68, ffff88812383a2b8) The buggy address belongs to the physical page: page:ffffea00048e0e00 refcount:1 mapcount:0 mapping:0000000000000000 index:0xffff88812383f588 pfn:0x123838 head:ffffea00048e0e00 order:3 entire_mapcount:0 nr_pages_mapped:0 pincount:0 flags: 0x17ffffc0000a40(workingset|slab|head|node=0|zone=2|lastcpupid=0x1fffff) page_type: 0xffffffff() raw: 0017ffffc0000a40 ffff88810588c200 ffffea00048ffa10 ffff888105889488 raw: ffff88812383f588 0000000000150006 00000001ffffffff 0000000000000000 page dumped because: kasan: bad access detected Memory state around the buggy address: ffff888123839d80: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb ffff888123839e00: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb >ffff888123839e80: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb ^ ffff888123839f00: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb ffff888123839f80: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb ================================================================== Fixes: 36eca8948323 ("block, bfq: add Early Queue Merge (EQM)") Signed-off-by: Yu Kuai Link: https://lore.kernel.org/r/20240902130329.3787024-2-yukuai1@huaweicloud.com Signed-off-by: Jens Axboe Signed-off-by: Sasha Levin --- block/bfq-iosched.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/block/bfq-iosched.c b/block/bfq-iosched.c index 6687b805bab3..0b2c8e76708f 100644 --- a/block/bfq-iosched.c +++ b/block/bfq-iosched.c @@ -6194,7 +6194,8 @@ static struct bfq_queue *bfq_init_rq(struct request *rq) * addition, if the queue has also just been split, we have to * resume its state. */ - if (likely(bfqq != &bfqd->oom_bfqq) && bfqq_process_refs(bfqq) == 1) { + if (likely(bfqq != &bfqd->oom_bfqq) && !bfqq->new_bfqq && + bfqq_process_refs(bfqq) == 1) { bfqq->bic = bic; if (split) { /* From a819a496d2f2861cd7719fdcb6516ca7a0a0a5a0 Mon Sep 17 00:00:00 2001 From: Yu Kuai Date: Mon, 2 Sep 2024 21:03:27 +0800 Subject: [PATCH 091/649] block, bfq: choose the last bfqq from merge chain in bfq_setup_cooperator() MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit [ Upstream commit 0e456dba86c7f9a19792204a044835f1ca2c8dbb ] Consider the following merge chain: Process 1 Process 2 Process 3 Process 4 (BIC1) (BIC2) (BIC3) (BIC4) Λ | | | \--------------\ \-------------\ \-------------\| V V V bfqq1--------->bfqq2---------->bfqq3----------->bfqq4 IO from Process 1 will get bfqf2 from BIC1 first, then bfq_setup_cooperator() will found bfqq2 already merged to bfqq3 and then handle this IO from bfqq3. However, the merge chain can be much deeper and bfqq3 can be merged to other bfqq as well. Fix this problem by iterating to the last bfqq in bfq_setup_cooperator(). Fixes: 36eca8948323 ("block, bfq: add Early Queue Merge (EQM)") Signed-off-by: Yu Kuai Link: https://lore.kernel.org/r/20240902130329.3787024-3-yukuai1@huaweicloud.com Signed-off-by: Jens Axboe Signed-off-by: Sasha Levin --- block/bfq-iosched.c | 8 ++++++-- 1 file changed, 6 insertions(+), 2 deletions(-) diff --git a/block/bfq-iosched.c b/block/bfq-iosched.c index 0b2c8e76708f..e68881f71ff1 100644 --- a/block/bfq-iosched.c +++ b/block/bfq-iosched.c @@ -2616,8 +2616,12 @@ bfq_setup_cooperator(struct bfq_data *bfqd, struct bfq_queue *bfqq, struct bfq_queue *in_service_bfqq, *new_bfqq; /* if a merge has already been setup, then proceed with that first */ - if (bfqq->new_bfqq) - return bfqq->new_bfqq; + new_bfqq = bfqq->new_bfqq; + if (new_bfqq) { + while (new_bfqq->new_bfqq) + new_bfqq = new_bfqq->new_bfqq; + return new_bfqq; + } /* * Do not perform queue merging if the device is non From 3630a18846c7853aa326d3b42fd0a855af7b41bc Mon Sep 17 00:00:00 2001 From: Yu Kuai Date: Mon, 2 Sep 2024 21:03:28 +0800 Subject: [PATCH 092/649] block, bfq: don't break merge chain in bfq_split_bfqq() MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit [ Upstream commit 42c306ed723321af4003b2a41bb73728cab54f85 ] Consider the following scenario: Process 1 Process 2 Process 3 Process 4 (BIC1) (BIC2) (BIC3) (BIC4) Λ | | | \-------------\ \-------------\ \--------------\| V V V bfqq1--------->bfqq2---------->bfqq3----------->bfqq4 ref 0 1 2 4 If Process 1 issue a new IO and bfqq2 is found, and then bfq_init_rq() decide to spilt bfqq2 by bfq_split_bfqq(). Howerver, procress reference of bfqq2 is 1 and bfq_split_bfqq() just clear the coop flag, which will break the merge chain. Expected result: caller will allocate a new bfqq for BIC1 Process 1 Process 2 Process 3 Process 4 (BIC1) (BIC2) (BIC3) (BIC4) | | | \-------------\ \--------------\| V V bfqq1--------->bfqq2---------->bfqq3----------->bfqq4 ref 0 0 1 3 Since the condition is only used for the last bfqq4 when the previous bfqq2 and bfqq3 are already splited. Fix the problem by checking if bfqq is the last one in the merge chain as well. Fixes: 36eca8948323 ("block, bfq: add Early Queue Merge (EQM)") Signed-off-by: Yu Kuai Link: https://lore.kernel.org/r/20240902130329.3787024-4-yukuai1@huaweicloud.com Signed-off-by: Jens Axboe Signed-off-by: Sasha Levin --- block/bfq-iosched.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/block/bfq-iosched.c b/block/bfq-iosched.c index e68881f71ff1..515e3c1a5475 100644 --- a/block/bfq-iosched.c +++ b/block/bfq-iosched.c @@ -6013,7 +6013,7 @@ bfq_split_bfqq(struct bfq_io_cq *bic, struct bfq_queue *bfqq) { bfq_log_bfqq(bfqq->bfqd, bfqq, "splitting queue"); - if (bfqq_process_refs(bfqq) == 1) { + if (bfqq_process_refs(bfqq) == 1 && !bfqq->new_bfqq) { bfqq->pid = current->pid; bfq_clear_bfqq_coop(bfqq); bfq_clear_bfqq_split_coop(bfqq); From 4d2760df0f3de139d02daadc627c8a2a435684ca Mon Sep 17 00:00:00 2001 From: Christian Heusel Date: Fri, 12 Jan 2024 00:15:18 +0100 Subject: [PATCH 093/649] block: print symbolic error name instead of error code [ Upstream commit 25c1772a0493463408489b1fae65cf77fe46cac1 ] Utilize the %pe print specifier to get the symbolic error name as a string (i.e "-ENOMEM") in the log message instead of the error code to increase its readablility. This change was suggested in https://lore.kernel.org/all/92972476-0b1f-4d0a-9951-af3fc8bc6e65@suswa.mountain/ Signed-off-by: Christian Heusel Reviewed-by: Chaitanya Kulkarni Link: https://lore.kernel.org/r/20240111231521.1596838-1-christian@heusel.eu Signed-off-by: Jens Axboe Stable-dep-of: 26e197b7f924 ("block: fix potential invalid pointer dereference in blk_add_partition") Signed-off-by: Sasha Levin --- block/partitions/core.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/block/partitions/core.c b/block/partitions/core.c index e3d61ec4a5a6..dad17a767c33 100644 --- a/block/partitions/core.c +++ b/block/partitions/core.c @@ -692,8 +692,8 @@ static bool blk_add_partition(struct gendisk *disk, struct block_device *bdev, part = add_partition(disk, p, from, size, state->parts[p].flags, &state->parts[p].info); if (IS_ERR(part) && PTR_ERR(part) != -ENXIO) { - printk(KERN_ERR " %s: p%d could not be added: %ld\n", - disk->disk_name, p, -PTR_ERR(part)); + printk(KERN_ERR " %s: p%d could not be added: %pe\n", + disk->disk_name, p, part); return true; } From 4bc4272e2506941c3f3d4fb8b0c659ee814dcf6f Mon Sep 17 00:00:00 2001 From: Riyan Dhiman Date: Wed, 11 Sep 2024 18:59:54 +0530 Subject: [PATCH 094/649] block: fix potential invalid pointer dereference in blk_add_partition [ Upstream commit 26e197b7f9240a4ac301dd0ad520c0c697c2ea7d ] The blk_add_partition() function initially used a single if-condition (IS_ERR(part)) to check for errors when adding a partition. This was modified to handle the specific case of -ENXIO separately, allowing the function to proceed without logging the error in this case. However, this change unintentionally left a path where md_autodetect_dev() could be called without confirming that part is a valid pointer. This commit separates the error handling logic by splitting the initial if-condition, improving code readability and handling specific error scenarios explicitly. The function now distinguishes the general error case from -ENXIO without altering the existing behavior of md_autodetect_dev() calls. Fixes: b72053072c0b (block: allow partitions on host aware zone devices) Signed-off-by: Riyan Dhiman Reviewed-by: Christoph Hellwig Link: https://lore.kernel.org/r/20240911132954.5874-1-riyandhiman14@gmail.com Signed-off-by: Jens Axboe Signed-off-by: Sasha Levin --- block/partitions/core.c | 8 +++++--- 1 file changed, 5 insertions(+), 3 deletions(-) diff --git a/block/partitions/core.c b/block/partitions/core.c index dad17a767c33..45fe4317fffa 100644 --- a/block/partitions/core.c +++ b/block/partitions/core.c @@ -691,9 +691,11 @@ static bool blk_add_partition(struct gendisk *disk, struct block_device *bdev, part = add_partition(disk, p, from, size, state->parts[p].flags, &state->parts[p].info); - if (IS_ERR(part) && PTR_ERR(part) != -ENXIO) { - printk(KERN_ERR " %s: p%d could not be added: %pe\n", - disk->disk_name, p, part); + if (IS_ERR(part)) { + if (PTR_ERR(part) != -ENXIO) { + printk(KERN_ERR " %s: p%d could not be added: %pe\n", + disk->disk_name, p, part); + } return true; } From 63c7417ad4631c530abf400914ae9524131aa50e Mon Sep 17 00:00:00 2001 From: Ma Ke Date: Wed, 24 Jul 2024 16:40:47 +0800 Subject: [PATCH 095/649] spi: ppc4xx: handle irq_of_parse_and_map() errors [ Upstream commit 0f245463b01ea254ae90e1d0389e90b0e7d8dc75 ] Zero and negative number is not a valid IRQ for in-kernel code and the irq_of_parse_and_map() function returns zero on error. So this check for valid IRQs should only accept values > 0. Fixes: 44dab88e7cc9 ("spi: add spi_ppc4xx driver") Signed-off-by: Ma Ke Link: https://patch.msgid.link/20240724084047.1506084-1-make24@iscas.ac.cn Signed-off-by: Mark Brown Signed-off-by: Sasha Levin --- drivers/spi/spi-ppc4xx.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/drivers/spi/spi-ppc4xx.c b/drivers/spi/spi-ppc4xx.c index 4200b12fc347..bfcfafda3eb1 100644 --- a/drivers/spi/spi-ppc4xx.c +++ b/drivers/spi/spi-ppc4xx.c @@ -411,6 +411,9 @@ static int spi_ppc4xx_of_probe(struct platform_device *op) /* Request IRQ */ hw->irqnum = irq_of_parse_and_map(np, 0); + if (hw->irqnum <= 0) + goto free_host; + ret = request_irq(hw->irqnum, spi_ppc4xx_int, 0, "spi_ppc4xx_of", (void *)hw); if (ret) { From 5f19060ab0ac8e021f5cc5a5aeb1ff8aae976963 Mon Sep 17 00:00:00 2001 From: Andy Shevchenko Date: Wed, 14 Aug 2024 17:45:12 +0300 Subject: [PATCH 096/649] spi: ppc4xx: Avoid returning 0 when failed to parse and map IRQ [ Upstream commit 7781f1d120fec8624fc654eda900fc8748262082 ] 0 is incorrect error code when failed to parse and map IRQ. Replace OF specific old API for IRQ retrieval with a generic one to fix this issue. Fixes: 0f245463b01e ("spi: ppc4xx: handle irq_of_parse_and_map() errors") Signed-off-by: Andy Shevchenko Link: https://patch.msgid.link/20240814144525.2648450-1-andriy.shevchenko@linux.intel.com Signed-off-by: Mark Brown Signed-off-by: Sasha Levin --- drivers/spi/spi-ppc4xx.c | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) diff --git a/drivers/spi/spi-ppc4xx.c b/drivers/spi/spi-ppc4xx.c index bfcfafda3eb1..6413bcd28913 100644 --- a/drivers/spi/spi-ppc4xx.c +++ b/drivers/spi/spi-ppc4xx.c @@ -26,7 +26,6 @@ #include #include #include -#include #include #include #include @@ -410,9 +409,10 @@ static int spi_ppc4xx_of_probe(struct platform_device *op) } /* Request IRQ */ - hw->irqnum = irq_of_parse_and_map(np, 0); - if (hw->irqnum <= 0) + ret = platform_get_irq(op, 0); + if (ret < 0) goto free_host; + hw->irqnum = ret; ret = request_irq(hw->irqnum, spi_ppc4xx_int, 0, "spi_ppc4xx_of", (void *)hw); From fb3cd974fb82623a2af87a0c4d53ad5f89629ec2 Mon Sep 17 00:00:00 2001 From: Alexander Dahl Date: Wed, 21 Aug 2024 07:51:36 +0200 Subject: [PATCH 097/649] ARM: dts: microchip: sam9x60: Fix rtc/rtt clocks [ Upstream commit d355c895fa4ddd8bec15569eee540baeed7df8c5 ] The RTC and RTT peripherals use the timing domain slow clock (TD_SLCK), sourced from the 32.768 kHz crystal oscillator or slow rc oscillator. The previously used Monitoring domain slow clock (MD_SLCK) is sourced from an internal RC oscillator which is most probably not precise enough for real time clock purposes. Fixes: 1e5f532c2737 ("ARM: dts: at91: sam9x60: add device tree for soc and board") Fixes: 5f6b33f46346 ("ARM: dts: sam9x60: add rtt") Signed-off-by: Alexander Dahl Link: https://lore.kernel.org/r/20240821055136.6858-1-ada@thorsis.com [claudiu.beznea: removed () around the last commit description paragraph, removed " in front of "timing domain slow clock", described that TD_SLCK can also be sourced from slow rc oscillator] Signed-off-by: Claudiu Beznea Signed-off-by: Sasha Levin --- arch/arm/boot/dts/sam9x60.dtsi | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/arch/arm/boot/dts/sam9x60.dtsi b/arch/arm/boot/dts/sam9x60.dtsi index e1e0dec8cc1f..5e569cf1cccf 100644 --- a/arch/arm/boot/dts/sam9x60.dtsi +++ b/arch/arm/boot/dts/sam9x60.dtsi @@ -692,7 +692,7 @@ rtt: rtt@fffffe20 { compatible = "microchip,sam9x60-rtt", "atmel,at91sam9260-rtt"; reg = <0xfffffe20 0x20>; interrupts = <1 IRQ_TYPE_LEVEL_HIGH 7>; - clocks = <&clk32k 0>; + clocks = <&clk32k 1>; }; pit: timer@fffffe40 { @@ -718,7 +718,7 @@ rtc: rtc@fffffea8 { compatible = "microchip,sam9x60-rtc", "atmel,at91sam9x5-rtc"; reg = <0xfffffea8 0x100>; interrupts = <1 IRQ_TYPE_LEVEL_HIGH 7>; - clocks = <&clk32k 0>; + clocks = <&clk32k 1>; }; watchdog: watchdog@ffffff80 { From 06ceed8eff02096146264e60f886980b2a81809b Mon Sep 17 00:00:00 2001 From: Krzysztof Kozlowski Date: Wed, 28 Aug 2024 11:56:36 +0200 Subject: [PATCH 098/649] ARM: dts: imx7d-zii-rmu2: fix Ethernet PHY pinctrl property [ Upstream commit 0e49cfe364dea4345551516eb2fe53135a10432b ] There is no "fsl,phy" property in pin controller pincfg nodes: imx7d-zii-rmu2.dtb: pinctrl@302c0000: enet1phyinterruptgrp: 'fsl,pins' is a required property imx7d-zii-rmu2.dtb: pinctrl@302c0000: enet1phyinterruptgrp: 'fsl,phy' does not match any of the regexes: 'pinctrl-[0-9]+' Fixes: f496e6750083 ("ARM: dts: Add ZII support for ZII i.MX7 RMU2 board") Signed-off-by: Krzysztof Kozlowski Signed-off-by: Shawn Guo Signed-off-by: Sasha Levin --- arch/arm/boot/dts/imx7d-zii-rmu2.dts | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/arch/arm/boot/dts/imx7d-zii-rmu2.dts b/arch/arm/boot/dts/imx7d-zii-rmu2.dts index 1065941807e8..ce59342e55aa 100644 --- a/arch/arm/boot/dts/imx7d-zii-rmu2.dts +++ b/arch/arm/boot/dts/imx7d-zii-rmu2.dts @@ -350,7 +350,7 @@ MX7D_PAD_SD3_RESET_B__SD3_RESET_B 0x59 &iomuxc_lpsr { pinctrl_enet1_phy_interrupt: enet1phyinterruptgrp { - fsl,phy = < + fsl,pins = < MX7D_PAD_LPSR_GPIO1_IO02__GPIO1_IO2 0x08 >; }; From ad0b53e4b5d09368de33bbfac3030ef9a296581f Mon Sep 17 00:00:00 2001 From: Krzysztof Kozlowski Date: Mon, 26 Aug 2024 07:49:33 +0200 Subject: [PATCH 099/649] ARM: versatile: fix OF node leak in CPUs prepare [ Upstream commit f2642d97f2105ed17b2ece0c597450f2ff95d704 ] Machine code is leaking OF node reference from of_find_matching_node() in realview_smp_prepare_cpus(). Fixes: 5420b4b15617 ("ARM: realview: add an DT SMP boot method") Signed-off-by: Krzysztof Kozlowski Acked-by: Liviu Dudau Link: https://lore.kernel.org/20240826054934.10724-1-krzysztof.kozlowski@linaro.org Signed-off-by: Linus Walleij Signed-off-by: Sasha Levin --- arch/arm/mach-realview/platsmp-dt.c | 1 + 1 file changed, 1 insertion(+) diff --git a/arch/arm/mach-realview/platsmp-dt.c b/arch/arm/mach-realview/platsmp-dt.c index 5ae783767a5d..083e6a6f7520 100644 --- a/arch/arm/mach-realview/platsmp-dt.c +++ b/arch/arm/mach-realview/platsmp-dt.c @@ -66,6 +66,7 @@ static void __init realview_smp_prepare_cpus(unsigned int max_cpus) return; } map = syscon_node_to_regmap(np); + of_node_put(np); if (IS_ERR(map)) { pr_err("PLATSMP: No syscon regmap\n"); return; From 97586fbd699885cd46fa0528c3101f92d29b0711 Mon Sep 17 00:00:00 2001 From: Krzysztof Kozlowski Date: Sun, 25 Aug 2024 16:14:24 +0200 Subject: [PATCH 100/649] reset: berlin: fix OF node leak in probe() error path [ Upstream commit 5f58a88cc91075be38cec69b7cb70aaa4ba69e8b ] Driver is leaking OF node reference on memory allocation failure. Acquire the OF node reference after memory allocation to fix this and keep it simple. Fixes: aed6f3cadc86 ("reset: berlin: convert to a platform driver") Signed-off-by: Krzysztof Kozlowski Reviewed-by: Damien Le Moal Link: https://lore.kernel.org/r/20240825-reset-cleanup-scoped-v1-1-03f6d834f8c0@linaro.org Signed-off-by: Philipp Zabel Signed-off-by: Sasha Levin --- drivers/reset/reset-berlin.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/drivers/reset/reset-berlin.c b/drivers/reset/reset-berlin.c index 371197bbd055..542d32719b8a 100644 --- a/drivers/reset/reset-berlin.c +++ b/drivers/reset/reset-berlin.c @@ -68,13 +68,14 @@ static int berlin_reset_xlate(struct reset_controller_dev *rcdev, static int berlin2_reset_probe(struct platform_device *pdev) { - struct device_node *parent_np = of_get_parent(pdev->dev.of_node); + struct device_node *parent_np; struct berlin_reset_priv *priv; priv = devm_kzalloc(&pdev->dev, sizeof(*priv), GFP_KERNEL); if (!priv) return -ENOMEM; + parent_np = of_get_parent(pdev->dev.of_node); priv->regmap = syscon_node_to_regmap(parent_np); of_node_put(parent_np); if (IS_ERR(priv->regmap)) From 42a9899e56de57d893db4616e977047382540fbd Mon Sep 17 00:00:00 2001 From: Ankit Agrawal Date: Sat, 13 Jul 2024 15:27:13 +0530 Subject: [PATCH 101/649] clocksource/drivers/qcom: Add missing iounmap() on errors in msm_dt_timer_init() [ Upstream commit ca140a0dc0a18acd4653b56db211fec9b2339986 ] Add the missing iounmap() when clock frequency fails to get read by the of_property_read_u32() call, or if the call to msm_timer_init() fails. Fixes: 6e3321631ac2 ("ARM: msm: Add DT support to msm_timer") Signed-off-by: Ankit Agrawal Reviewed-by: Konrad Dybcio Link: https://lore.kernel.org/r/20240713095713.GA430091@bnew-VirtualBox Signed-off-by: Daniel Lezcano Signed-off-by: Sasha Levin --- drivers/clocksource/timer-qcom.c | 7 ++++++- 1 file changed, 6 insertions(+), 1 deletion(-) diff --git a/drivers/clocksource/timer-qcom.c b/drivers/clocksource/timer-qcom.c index b4afe3a67583..eac4c95c6127 100644 --- a/drivers/clocksource/timer-qcom.c +++ b/drivers/clocksource/timer-qcom.c @@ -233,6 +233,7 @@ static int __init msm_dt_timer_init(struct device_node *np) } if (of_property_read_u32(np, "clock-frequency", &freq)) { + iounmap(cpu0_base); pr_err("Unknown frequency\n"); return -EINVAL; } @@ -243,7 +244,11 @@ static int __init msm_dt_timer_init(struct device_node *np) freq /= 4; writel_relaxed(DGT_CLK_CTL_DIV_4, source_base + DGT_CLK_CTL); - return msm_timer_init(freq, 32, irq, !!percpu_offset); + ret = msm_timer_init(freq, 32, irq, !!percpu_offset); + if (ret) + iounmap(cpu0_base); + + return ret; } TIMER_OF_DECLARE(kpss_timer, "qcom,kpss-timer", msm_dt_timer_init); TIMER_OF_DECLARE(scss_timer, "qcom,scss-timer", msm_dt_timer_init); From cdb20b703e0e5ac023fd3d97a5a23a9fb56e8ac3 Mon Sep 17 00:00:00 2001 From: Finn Thain Date: Sun, 11 Aug 2024 10:12:29 +1000 Subject: [PATCH 102/649] m68k: Fix kernel_clone_args.flags in m68k_clone() [ Upstream commit 09b3d870faa7bc3e96c0978ab3cf4e96e4b15571 ] Stan Johnson recently reported a failure from the 'dump' command: DUMP: Date of this level 0 dump: Fri Aug 9 23:37:15 2024 DUMP: Dumping /dev/sda (an unlisted file system) to /dev/null DUMP: Label: none DUMP: Writing 10 Kilobyte records DUMP: mapping (Pass I) [regular files] DUMP: mapping (Pass II) [directories] DUMP: estimated 3595695 blocks. DUMP: Context save fork fails in parent 671 The dump program uses the clone syscall with the CLONE_IO flag, that is, flags == 0x80000000. When that value is promoted from long int to u64 by m68k_clone(), it undergoes sign-extension. The new value includes CLONE_INTO_CGROUP so the validation in cgroup_css_set_fork() fails and the syscall returns -EBADF. Avoid sign-extension by casting to u32. Reported-by: Stan Johnson Closes: https://lists.debian.org/debian-68k/2024/08/msg00000.html Fixes: 6aabc1facdb2 ("m68k: Implement copy_thread_tls()") Signed-off-by: Finn Thain Reviewed-by: Geert Uytterhoeven Link: https://lore.kernel.org/3463f1e5d4e95468dc9f3368f2b78ffa7b72199b.1723335149.git.fthain@linux-m68k.org Signed-off-by: Geert Uytterhoeven Signed-off-by: Sasha Levin --- arch/m68k/kernel/process.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/arch/m68k/kernel/process.c b/arch/m68k/kernel/process.c index da83cc83e791..8c2656371a87 100644 --- a/arch/m68k/kernel/process.c +++ b/arch/m68k/kernel/process.c @@ -116,7 +116,7 @@ asmlinkage int m68k_clone(struct pt_regs *regs) { /* regs will be equal to current_pt_regs() */ struct kernel_clone_args args = { - .flags = regs->d1 & ~CSIGNAL, + .flags = (u32)(regs->d1) & ~CSIGNAL, .pidfd = (int __user *)regs->d3, .child_tid = (int __user *)regs->d4, .parent_tid = (int __user *)regs->d3, From aeed49dd2b899eb54f3b9b385e656d03990ad486 Mon Sep 17 00:00:00 2001 From: Guenter Roeck Date: Thu, 18 Jul 2024 09:52:01 -0700 Subject: [PATCH 103/649] hwmon: (max16065) Fix overflows seen when writing limits [ Upstream commit 744ec4477b11c42e2c8de9eb8364675ae7a0bd81 ] Writing large limits resulted in overflows as reported by module tests. in0_lcrit: Suspected overflow: [max=5538, read 0, written 2147483647] in0_crit: Suspected overflow: [max=5538, read 0, written 2147483647] in0_min: Suspected overflow: [max=5538, read 0, written 2147483647] Fix the problem by clamping prior to multiplications and the use of DIV_ROUND_CLOSEST, and by using consistent variable types. Reviewed-by: Tzung-Bi Shih Fixes: f5bae2642e3d ("hwmon: Driver for MAX16065 System Manager and compatibles") Signed-off-by: Guenter Roeck Signed-off-by: Sasha Levin --- drivers/hwmon/max16065.c | 5 +++-- 1 file changed, 3 insertions(+), 2 deletions(-) diff --git a/drivers/hwmon/max16065.c b/drivers/hwmon/max16065.c index a26226e7bc37..6a09ab606fcb 100644 --- a/drivers/hwmon/max16065.c +++ b/drivers/hwmon/max16065.c @@ -114,9 +114,10 @@ static inline int LIMIT_TO_MV(int limit, int range) return limit * range / 256; } -static inline int MV_TO_LIMIT(int mv, int range) +static inline int MV_TO_LIMIT(unsigned long mv, int range) { - return clamp_val(DIV_ROUND_CLOSEST(mv * 256, range), 0, 255); + mv = clamp_val(mv, 0, ULONG_MAX / 256); + return DIV_ROUND_CLOSEST(clamp_val(mv * 256, 0, range * 255), range); } static inline int ADC_TO_CURR(int adc, int gain) From 167e4371ef929e679e7e5568cff0ff05ce1f57b9 Mon Sep 17 00:00:00 2001 From: Andy Shevchenko Date: Thu, 22 Sep 2022 16:54:10 +0300 Subject: [PATCH 104/649] device property: Add const qualifier to device_get_match_data() parameter commit aade55c86033bee868a93e4bf3843c9c99e84526 upstream. Add const qualifier to the device_get_match_data() parameter. Some of the future users may utilize this function without forcing the type. All the same, dev_fwnode() may be used with a const qualifier. Reported-by: kernel test robot Acked-by: Heikki Krogerus Signed-off-by: Andy Shevchenko Link: https://lore.kernel.org/r/20220922135410.49694-1-andriy.shevchenko@linux.intel.com Signed-off-by: Greg Kroah-Hartman --- drivers/base/property.c | 4 ++-- include/linux/property.h | 4 ++-- 2 files changed, 4 insertions(+), 4 deletions(-) diff --git a/drivers/base/property.c b/drivers/base/property.c index cf88a5554d9c..e9fdef1f4517 100644 --- a/drivers/base/property.c +++ b/drivers/base/property.c @@ -18,7 +18,7 @@ #include #include -struct fwnode_handle *dev_fwnode(struct device *dev) +struct fwnode_handle *dev_fwnode(const struct device *dev) { return IS_ENABLED(CONFIG_OF) && dev->of_node ? &dev->of_node->fwnode : dev->fwnode; @@ -1179,7 +1179,7 @@ int fwnode_graph_parse_endpoint(const struct fwnode_handle *fwnode, } EXPORT_SYMBOL(fwnode_graph_parse_endpoint); -const void *device_get_match_data(struct device *dev) +const void *device_get_match_data(const struct device *dev) { return fwnode_call_ptr_op(dev_fwnode(dev), device_get_match_data, dev); } diff --git a/include/linux/property.h b/include/linux/property.h index 2d4542629d80..34ac286db88d 100644 --- a/include/linux/property.h +++ b/include/linux/property.h @@ -31,7 +31,7 @@ enum dev_dma_attr { DEV_DMA_COHERENT, }; -struct fwnode_handle *dev_fwnode(struct device *dev); +struct fwnode_handle *dev_fwnode(const struct device *dev); bool device_property_present(struct device *dev, const char *propname); int device_property_read_u8_array(struct device *dev, const char *propname, @@ -379,7 +379,7 @@ bool device_dma_supported(struct device *dev); enum dev_dma_attr device_get_dma_attr(struct device *dev); -const void *device_get_match_data(struct device *dev); +const void *device_get_match_data(const struct device *dev); int device_get_phy_mode(struct device *dev); From 514a1508c3fe3e77bbf625e61439f2650aedde4a Mon Sep 17 00:00:00 2001 From: Biju Das Date: Wed, 7 Jun 2023 17:57:38 +0100 Subject: [PATCH 105/649] i2c: Add i2c_get_match_data() [ Upstream commit 564d73c4d9201526bd976b9379d2aaf1a7133e84 ] Add i2c_get_match_data() to get match data for I2C, ACPI and DT-based matching, so that we can optimize the driver code. Suggested-by: Geert Uytterhoeven Signed-off-by: Biju Das [wsa: simplified var initialization] Signed-off-by: Wolfram Sang Stable-dep-of: 119abf7d1815 ("hwmon: (max16065) Fix alarm attributes") Signed-off-by: Sasha Levin --- drivers/i2c/i2c-core-base.c | 19 +++++++++++++++++++ include/linux/i2c.h | 2 ++ 2 files changed, 21 insertions(+) diff --git a/drivers/i2c/i2c-core-base.c b/drivers/i2c/i2c-core-base.c index 6fac638e423a..ef6d52a38b5c 100644 --- a/drivers/i2c/i2c-core-base.c +++ b/drivers/i2c/i2c-core-base.c @@ -92,6 +92,25 @@ const struct i2c_device_id *i2c_match_id(const struct i2c_device_id *id, } EXPORT_SYMBOL_GPL(i2c_match_id); +const void *i2c_get_match_data(const struct i2c_client *client) +{ + struct i2c_driver *driver = to_i2c_driver(client->dev.driver); + const struct i2c_device_id *match; + const void *data; + + data = device_get_match_data(&client->dev); + if (!data) { + match = i2c_match_id(driver->id_table, client); + if (!match) + return NULL; + + data = (const void *)match->driver_data; + } + + return data; +} +EXPORT_SYMBOL(i2c_get_match_data); + static int i2c_device_match(struct device *dev, struct device_driver *drv) { struct i2c_client *client = i2c_verify_client(dev); diff --git a/include/linux/i2c.h b/include/linux/i2c.h index 6cfb530b3d43..63476bcf955d 100644 --- a/include/linux/i2c.h +++ b/include/linux/i2c.h @@ -342,6 +342,8 @@ struct i2c_adapter *i2c_verify_adapter(struct device *dev); const struct i2c_device_id *i2c_match_id(const struct i2c_device_id *id, const struct i2c_client *client); +const void *i2c_get_match_data(const struct i2c_client *client); + static inline struct i2c_client *kobj_to_i2c_client(struct kobject *kobj) { struct device * const dev = kobj_to_dev(kobj); From 932559f25a7ce30940db36332217f55f382c2bd0 Mon Sep 17 00:00:00 2001 From: Andrew Davis Date: Wed, 3 Apr 2024 15:36:21 -0500 Subject: [PATCH 106/649] hwmon: (max16065) Remove use of i2c_match_id() [ Upstream commit 5a71654b398e3471f0169c266a3587cf09e1200c ] The function i2c_match_id() is used to fetch the matching ID from the i2c_device_id table. This is often used to then retrieve the matching driver_data. This can be done in one step with the helper i2c_get_match_data(). This helper has a couple other benefits: * It doesn't need the i2c_device_id passed in so we do not need to have that forward declared, allowing us to remove those or move the i2c_device_id table down to its more natural spot with the other module info. * It also checks for device match data, which allows for OF and ACPI based probing. That means we do not have to manually check those first and can remove those checks. Signed-off-by: Andrew Davis Link: https://lore.kernel.org/r/20240403203633.914389-20-afd@ti.com Signed-off-by: Guenter Roeck Stable-dep-of: 119abf7d1815 ("hwmon: (max16065) Fix alarm attributes") Signed-off-by: Sasha Levin --- drivers/hwmon/max16065.c | 10 ++++------ 1 file changed, 4 insertions(+), 6 deletions(-) diff --git a/drivers/hwmon/max16065.c b/drivers/hwmon/max16065.c index 6a09ab606fcb..072f22f85dc0 100644 --- a/drivers/hwmon/max16065.c +++ b/drivers/hwmon/max16065.c @@ -494,8 +494,6 @@ static const struct attribute_group max16065_max_group = { .is_visible = max16065_secondary_is_visible, }; -static const struct i2c_device_id max16065_id[]; - static int max16065_probe(struct i2c_client *client) { struct i2c_adapter *adapter = client->adapter; @@ -506,7 +504,7 @@ static int max16065_probe(struct i2c_client *client) bool have_secondary; /* true if chip has secondary limits */ bool secondary_is_max = false; /* secondary limits reflect max */ int groups = 0; - const struct i2c_device_id *id = i2c_match_id(max16065_id, client); + enum chips chip = (uintptr_t)i2c_get_match_data(client); if (!i2c_check_functionality(adapter, I2C_FUNC_SMBUS_BYTE_DATA | I2C_FUNC_SMBUS_READ_WORD_DATA)) @@ -519,9 +517,9 @@ static int max16065_probe(struct i2c_client *client) data->client = client; mutex_init(&data->update_lock); - data->num_adc = max16065_num_adc[id->driver_data]; - data->have_current = max16065_have_current[id->driver_data]; - have_secondary = max16065_have_secondary[id->driver_data]; + data->num_adc = max16065_num_adc[chip]; + data->have_current = max16065_have_current[chip]; + have_secondary = max16065_have_secondary[chip]; if (have_secondary) { val = i2c_smbus_read_byte_data(client, MAX16065_SW_ENABLE); From d7a7dd2966d5fad65379c6a721ce0a63d3960924 Mon Sep 17 00:00:00 2001 From: Guenter Roeck Date: Sun, 21 Jul 2024 06:41:17 -0700 Subject: [PATCH 107/649] hwmon: (max16065) Fix alarm attributes [ Upstream commit 119abf7d1815f098f7f91ae7abc84324a19943d7 ] Chips reporting overcurrent alarms report it in the second alarm register. That means the second alarm register has to be read, even if the chip only supports 8 or fewer ADC channels. MAX16067 and MAX16068 report undervoltage and overvoltage alarms in separate registers. Fold register contents together to report both with the existing alarm attribute. This requires actually storing the chip type in struct max16065_data. Rename the variable 'chip' to match the variable name used in the probe function. Reviewed-by: Tzung-Bi Shih Fixes: f5bae2642e3d ("hwmon: Driver for MAX16065 System Manager and compatibles") Signed-off-by: Guenter Roeck Signed-off-by: Sasha Levin --- drivers/hwmon/max16065.c | 12 ++++++++++-- 1 file changed, 10 insertions(+), 2 deletions(-) diff --git a/drivers/hwmon/max16065.c b/drivers/hwmon/max16065.c index 072f22f85dc0..b4c519e52fff 100644 --- a/drivers/hwmon/max16065.c +++ b/drivers/hwmon/max16065.c @@ -79,7 +79,7 @@ static const bool max16065_have_current[] = { }; struct max16065_data { - enum chips type; + enum chips chip; struct i2c_client *client; const struct attribute_group *groups[4]; struct mutex update_lock; @@ -162,10 +162,17 @@ static struct max16065_data *max16065_update_device(struct device *dev) MAX16065_CURR_SENSE); } - for (i = 0; i < DIV_ROUND_UP(data->num_adc, 8); i++) + for (i = 0; i < 2; i++) data->fault[i] = i2c_smbus_read_byte_data(client, MAX16065_FAULT(i)); + /* + * MAX16067 and MAX16068 have separate undervoltage and + * overvoltage alarm bits. Squash them together. + */ + if (data->chip == max16067 || data->chip == max16068) + data->fault[0] |= data->fault[1]; + data->last_updated = jiffies; data->valid = 1; } @@ -514,6 +521,7 @@ static int max16065_probe(struct i2c_client *client) if (unlikely(!data)) return -ENOMEM; + data->chip = chip; data->client = client; mutex_init(&data->update_lock); From 9efa58381ae1de8a7d65419a1251aeb41b8de125 Mon Sep 17 00:00:00 2001 From: Mirsad Todorovac Date: Fri, 12 Jul 2024 01:43:20 +0200 Subject: [PATCH 108/649] mtd: slram: insert break after errors in parsing the map MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit [ Upstream commit 336c218dd7f0588ed8a7345f367975a00a4f003f ] GCC 12.3.0 compiler on linux-next next-20240709 tree found the execution path in which, due to lazy evaluation, devlength isn't initialised with the parsed string: 289 while (map) { 290 devname = devstart = devlength = NULL; 291 292 if (!(devname = strsep(&map, ","))) { 293 E("slram: No devicename specified.\n"); 294 break; 295 } 296 T("slram: devname = %s\n", devname); 297 if ((!map) || (!(devstart = strsep(&map, ",")))) { 298 E("slram: No devicestart specified.\n"); 299 } 300 T("slram: devstart = %s\n", devstart); → 301 if ((!map) || (!(devlength = strsep(&map, ",")))) { 302 E("slram: No devicelength / -end specified.\n"); 303 } → 304 T("slram: devlength = %s\n", devlength); 305 if (parse_cmdline(devname, devstart, devlength) != 0) { 306 return(-EINVAL); 307 } Parsing should be finished after map == NULL, so a break is best inserted after each E("slram: ... \n") error message. Fixes: 1da177e4c3f4 ("Linux-2.6.12-rc2") Cc: Miquel Raynal Cc: Richard Weinberger Cc: Vignesh Raghavendra Cc: linux-mtd@lists.infradead.org Signed-off-by: Mirsad Todorovac Signed-off-by: Miquel Raynal Link: https://lore.kernel.org/linux-mtd/20240711234319.637824-1-mtodorovac69@gmail.com Signed-off-by: Sasha Levin --- drivers/mtd/devices/slram.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/drivers/mtd/devices/slram.c b/drivers/mtd/devices/slram.c index 28131a127d06..8297b366a066 100644 --- a/drivers/mtd/devices/slram.c +++ b/drivers/mtd/devices/slram.c @@ -296,10 +296,12 @@ static int __init init_slram(void) T("slram: devname = %s\n", devname); if ((!map) || (!(devstart = strsep(&map, ",")))) { E("slram: No devicestart specified.\n"); + break; } T("slram: devstart = %s\n", devstart); if ((!map) || (!(devlength = strsep(&map, ",")))) { E("slram: No devicelength / -end specified.\n"); + break; } T("slram: devlength = %s\n", devlength); if (parse_cmdline(devname, devstart, devlength) != 0) { From 8202306e9fc12fc980524e0836ca6da0e17c5520 Mon Sep 17 00:00:00 2001 From: Yuntao Liu Date: Thu, 15 Aug 2024 08:30:21 +0000 Subject: [PATCH 109/649] hwmon: (ntc_thermistor) fix module autoloading [ Upstream commit b6964d66a07a9003868e428a956949e17ab44d7e ] Add MODULE_DEVICE_TABLE(), so modules could be properly autoloaded based on the alias from of_device_id table. Fixes: 9e8269de100d ("hwmon: (ntc_thermistor) Add DT with IIO support to NTC thermistor driver") Signed-off-by: Yuntao Liu Message-ID: <20240815083021.756134-1-liuyuntao12@huawei.com> Signed-off-by: Guenter Roeck Signed-off-by: Sasha Levin --- drivers/hwmon/ntc_thermistor.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/hwmon/ntc_thermistor.c b/drivers/hwmon/ntc_thermistor.c index 3aad62a0e661..7e20beb8b11f 100644 --- a/drivers/hwmon/ntc_thermistor.c +++ b/drivers/hwmon/ntc_thermistor.c @@ -58,6 +58,7 @@ static const struct platform_device_id ntc_thermistor_id[] = { [NTC_NCP21WB473] = { "ncp21wb473", TYPE_NCPXXWB473 }, [NTC_LAST] = { }, }; +MODULE_DEVICE_TABLE(platform, ntc_thermistor_id); /* * A compensation table should be sorted by the values of .ohm From c59f57f3f1bd5eb77b3383c57382c6542794d75e Mon Sep 17 00:00:00 2001 From: Hermann Lauer Date: Wed, 12 May 2021 12:58:56 +0200 Subject: [PATCH 110/649] power: supply: axp20x_battery: allow disabling battery charging [ Upstream commit 6a0fcc87c9e35191d37a8819fdab9d30e523515b ] Allow disabling and re-enabling battery charging of an axp209 PMIC through a writable status property. With the current driver code charging is always on. This works on the axp209 of Banana {Pi M1+,Pro} and should work on all AXP chips. Signed-off-by: Hermann.Lauer@uni-heidelberg.de Signed-off-by: Sebastian Reichel Stable-dep-of: 61978807b00f ("power: supply: axp20x_battery: Remove design from min and max voltage") Signed-off-by: Sasha Levin --- drivers/power/supply/axp20x_battery.c | 15 ++++++++++++++- 1 file changed, 14 insertions(+), 1 deletion(-) diff --git a/drivers/power/supply/axp20x_battery.c b/drivers/power/supply/axp20x_battery.c index 9fda98b950ba..335e12cc5e2f 100644 --- a/drivers/power/supply/axp20x_battery.c +++ b/drivers/power/supply/axp20x_battery.c @@ -40,6 +40,7 @@ #define AXP209_FG_PERCENT GENMASK(6, 0) #define AXP22X_FG_VALID BIT(7) +#define AXP20X_CHRG_CTRL1_ENABLE BIT(7) #define AXP20X_CHRG_CTRL1_TGT_VOLT GENMASK(6, 5) #define AXP20X_CHRG_CTRL1_TGT_4_1V (0 << 5) #define AXP20X_CHRG_CTRL1_TGT_4_15V (1 << 5) @@ -467,7 +468,18 @@ static int axp20x_battery_set_prop(struct power_supply *psy, case POWER_SUPPLY_PROP_CONSTANT_CHARGE_CURRENT_MAX: return axp20x_set_max_constant_charge_current(axp20x_batt, val->intval); + case POWER_SUPPLY_PROP_STATUS: + switch (val->intval) { + case POWER_SUPPLY_STATUS_CHARGING: + return regmap_update_bits(axp20x_batt->regmap, AXP20X_CHRG_CTRL1, + AXP20X_CHRG_CTRL1_ENABLE, AXP20X_CHRG_CTRL1_ENABLE); + case POWER_SUPPLY_STATUS_DISCHARGING: + case POWER_SUPPLY_STATUS_NOT_CHARGING: + return regmap_update_bits(axp20x_batt->regmap, AXP20X_CHRG_CTRL1, + AXP20X_CHRG_CTRL1_ENABLE, 0); + } + fallthrough; default: return -EINVAL; } @@ -490,7 +502,8 @@ static enum power_supply_property axp20x_battery_props[] = { static int axp20x_battery_prop_writeable(struct power_supply *psy, enum power_supply_property psp) { - return psp == POWER_SUPPLY_PROP_VOLTAGE_MIN_DESIGN || + return psp == POWER_SUPPLY_PROP_STATUS || + psp == POWER_SUPPLY_PROP_VOLTAGE_MIN_DESIGN || psp == POWER_SUPPLY_PROP_VOLTAGE_MAX_DESIGN || psp == POWER_SUPPLY_PROP_CONSTANT_CHARGE_CURRENT || psp == POWER_SUPPLY_PROP_CONSTANT_CHARGE_CURRENT_MAX; From 5c1997f7ad4ef9d63a555a9a4b2a0b9fd174d285 Mon Sep 17 00:00:00 2001 From: Chris Morgan Date: Wed, 21 Aug 2024 16:54:43 -0500 Subject: [PATCH 111/649] power: supply: axp20x_battery: Remove design from min and max voltage [ Upstream commit 61978807b00f8a1817b0e5580981af1cd2f428a5 ] The POWER_SUPPLY_PROP_VOLTAGE_MIN_DESIGN and POWER_SUPPLY_PROP_VOLTAGE_MAX_DESIGN values should be immutable properties of the battery, but for this driver they are writable values and used as the minimum and maximum values for charging. Remove the DESIGN designation from these values. Fixes: 46c202b5f25f ("power: supply: add battery driver for AXP20X and AXP22X PMICs") Suggested-by: Chen-Yu Tsai Signed-off-by: Chris Morgan Acked-by: Krzysztof Kozlowski Link: https://lore.kernel.org/r/20240821215456.962564-3-macroalpha82@gmail.com Signed-off-by: Sebastian Reichel Signed-off-by: Sasha Levin --- drivers/power/supply/axp20x_battery.c | 16 ++++++++-------- 1 file changed, 8 insertions(+), 8 deletions(-) diff --git a/drivers/power/supply/axp20x_battery.c b/drivers/power/supply/axp20x_battery.c index 335e12cc5e2f..d62a249f65da 100644 --- a/drivers/power/supply/axp20x_battery.c +++ b/drivers/power/supply/axp20x_battery.c @@ -304,11 +304,11 @@ static int axp20x_battery_get_prop(struct power_supply *psy, val->intval = reg & AXP209_FG_PERCENT; break; - case POWER_SUPPLY_PROP_VOLTAGE_MAX_DESIGN: + case POWER_SUPPLY_PROP_VOLTAGE_MAX: return axp20x_batt->data->get_max_voltage(axp20x_batt, &val->intval); - case POWER_SUPPLY_PROP_VOLTAGE_MIN_DESIGN: + case POWER_SUPPLY_PROP_VOLTAGE_MIN: ret = regmap_read(axp20x_batt->regmap, AXP20X_V_OFF, ®); if (ret) return ret; @@ -456,10 +456,10 @@ static int axp20x_battery_set_prop(struct power_supply *psy, struct axp20x_batt_ps *axp20x_batt = power_supply_get_drvdata(psy); switch (psp) { - case POWER_SUPPLY_PROP_VOLTAGE_MIN_DESIGN: + case POWER_SUPPLY_PROP_VOLTAGE_MIN: return axp20x_set_voltage_min_design(axp20x_batt, val->intval); - case POWER_SUPPLY_PROP_VOLTAGE_MAX_DESIGN: + case POWER_SUPPLY_PROP_VOLTAGE_MAX: return axp20x_batt->data->set_max_voltage(axp20x_batt, val->intval); case POWER_SUPPLY_PROP_CONSTANT_CHARGE_CURRENT: @@ -494,8 +494,8 @@ static enum power_supply_property axp20x_battery_props[] = { POWER_SUPPLY_PROP_CONSTANT_CHARGE_CURRENT, POWER_SUPPLY_PROP_CONSTANT_CHARGE_CURRENT_MAX, POWER_SUPPLY_PROP_HEALTH, - POWER_SUPPLY_PROP_VOLTAGE_MAX_DESIGN, - POWER_SUPPLY_PROP_VOLTAGE_MIN_DESIGN, + POWER_SUPPLY_PROP_VOLTAGE_MAX, + POWER_SUPPLY_PROP_VOLTAGE_MIN, POWER_SUPPLY_PROP_CAPACITY, }; @@ -503,8 +503,8 @@ static int axp20x_battery_prop_writeable(struct power_supply *psy, enum power_supply_property psp) { return psp == POWER_SUPPLY_PROP_STATUS || - psp == POWER_SUPPLY_PROP_VOLTAGE_MIN_DESIGN || - psp == POWER_SUPPLY_PROP_VOLTAGE_MAX_DESIGN || + psp == POWER_SUPPLY_PROP_VOLTAGE_MIN || + psp == POWER_SUPPLY_PROP_VOLTAGE_MAX || psp == POWER_SUPPLY_PROP_CONSTANT_CHARGE_CURRENT || psp == POWER_SUPPLY_PROP_CONSTANT_CHARGE_CURRENT_MAX; } From 9fb482fdf3a979d9ccdcaf60a140e9d1cc27cd6b Mon Sep 17 00:00:00 2001 From: Artur Weber Date: Sat, 17 Aug 2024 12:51:14 +0200 Subject: [PATCH 112/649] power: supply: max17042_battery: Fix SOC threshold calc w/ no current sense [ Upstream commit 3a3acf839b2cedf092bdd1ff65b0e9895df1656b ] Commit 223a3b82834f ("power: supply: max17042_battery: use VFSOC for capacity when no rsns") made it so that capacity on systems without current sensing would be read from VFSOC instead of RepSOC. However, the SOC threshold calculation still read RepSOC to get the SOC regardless of the current sensing option state. Fix this by applying the same conditional to determine which register should be read. This also seems to be the intended behavior as per the datasheet - SOC alert config value in MiscCFG on setups without current sensing is set to a value of 0b11, indicating SOC alerts being generated based on VFSOC, instead of 0b00 which indicates SOC alerts being generated based on RepSOC. This fixes an issue on the Galaxy S3/Midas boards, where the alert interrupt would be constantly retriggered, causing high CPU usage on idle (around ~12%-15%). Fixes: e5f3872d2044 ("max17042: Add support for signalling change in SOC") Signed-off-by: Artur Weber Reviewed-by: Henrik Grimler Reviewed-by: Krzysztof Kozlowski Link: https://lore.kernel.org/r/20240817-max17042-soc-threshold-fix-v1-1-72b45899c3cc@gmail.com Signed-off-by: Sebastian Reichel Signed-off-by: Sasha Levin --- drivers/power/supply/max17042_battery.c | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-) diff --git a/drivers/power/supply/max17042_battery.c b/drivers/power/supply/max17042_battery.c index 76b0f45a20b4..b68bf3a35465 100644 --- a/drivers/power/supply/max17042_battery.c +++ b/drivers/power/supply/max17042_battery.c @@ -851,7 +851,10 @@ static void max17042_set_soc_threshold(struct max17042_chip *chip, u16 off) /* program interrupt thesholds such that we should * get interrupt for every 'off' perc change in the soc */ - regmap_read(map, MAX17042_RepSOC, &soc); + if (chip->pdata->enable_current_sense) + regmap_read(map, MAX17042_RepSOC, &soc); + else + regmap_read(map, MAX17042_VFSOC, &soc); soc >>= 8; soc_tr = (soc + off) << 8; if (off < soc) From 7661e90a60fb04aabcff6ea2202847184b823bf0 Mon Sep 17 00:00:00 2001 From: Christophe JAILLET Date: Thu, 1 Aug 2024 22:34:39 +0200 Subject: [PATCH 113/649] fbdev: hpfb: Fix an error handling path in hpfb_dio_probe() [ Upstream commit aa578e897520f32ae12bec487f2474357d01ca9c ] If an error occurs after request_mem_region(), a corresponding release_mem_region() should be called, as already done in the remove function. Fixes: 1da177e4c3f4 ("Linux-2.6.12-rc2") Signed-off-by: Christophe JAILLET Signed-off-by: Helge Deller Signed-off-by: Sasha Levin --- drivers/video/fbdev/hpfb.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/video/fbdev/hpfb.c b/drivers/video/fbdev/hpfb.c index 8d418abdd767..1e9c52e2714d 100644 --- a/drivers/video/fbdev/hpfb.c +++ b/drivers/video/fbdev/hpfb.c @@ -344,6 +344,7 @@ static int hpfb_dio_probe(struct dio_dev *d, const struct dio_device_id *ent) if (hpfb_init_one(paddr, vaddr)) { if (d->scode >= DIOII_SCBASE) iounmap((void *)vaddr); + release_mem_region(d->resource.start, resource_size(&d->resource)); return -ENOMEM; } return 0; From 278ec25952810657f912771b13f9142db0789577 Mon Sep 17 00:00:00 2001 From: Charles Han Date: Wed, 28 Aug 2024 17:24:27 +0800 Subject: [PATCH 114/649] mtd: powernv: Add check devm_kasprintf() returned value [ Upstream commit 395999829880a106bb95f0ce34e6e4c2b43c6a5d ] devm_kasprintf() can return a NULL pointer on failure but this returned value is not checked. Fixes: acfe63ec1c59 ("mtd: Convert to using %pOFn instead of device_node.name") Signed-off-by: Charles Han Signed-off-by: Miquel Raynal Link: https://lore.kernel.org/linux-mtd/20240828092427.128177-1-hanchunchao@inspur.com Signed-off-by: Sasha Levin --- drivers/mtd/devices/powernv_flash.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/drivers/mtd/devices/powernv_flash.c b/drivers/mtd/devices/powernv_flash.c index 0b757d9ba2f6..0ab64a1cec09 100644 --- a/drivers/mtd/devices/powernv_flash.c +++ b/drivers/mtd/devices/powernv_flash.c @@ -204,6 +204,9 @@ static int powernv_flash_set_driver_info(struct device *dev, * get them */ mtd->name = devm_kasprintf(dev, GFP_KERNEL, "%pOFP", dev->of_node); + if (!mtd->name) + return -ENOMEM; + mtd->type = MTD_NORFLASH; mtd->flags = MTD_WRITEABLE; mtd->size = size; From 65f9be03482af24bf485629522ba745693f56c2f Mon Sep 17 00:00:00 2001 From: Christophe JAILLET Date: Sat, 6 Jan 2024 17:54:32 +0100 Subject: [PATCH 115/649] drm/stm: Fix an error handling path in stm_drm_platform_probe() [ Upstream commit ce7c90bfda2656418c69ba0dd8f8a7536b8928d4 ] If drm_dev_register() fails, a call to drv_load() must be undone, as already done in the remove function. Fixes: b759012c5fa7 ("drm/stm: Add STM32 LTDC driver") Signed-off-by: Christophe JAILLET Acked-by: Raphael Gallais-Pou Link: https://patchwork.freedesktop.org/patch/msgid/20fff7f853f20a48a96db8ff186124470ec4d976.1704560028.git.christophe.jaillet@wanadoo.fr Signed-off-by: Raphael Gallais-Pou Signed-off-by: Sasha Levin --- drivers/gpu/drm/stm/drv.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/drivers/gpu/drm/stm/drv.c b/drivers/gpu/drm/stm/drv.c index 411103f013e2..08c50e68cfca 100644 --- a/drivers/gpu/drm/stm/drv.c +++ b/drivers/gpu/drm/stm/drv.c @@ -195,12 +195,14 @@ static int stm_drm_platform_probe(struct platform_device *pdev) ret = drm_dev_register(ddev, 0); if (ret) - goto err_put; + goto err_unload; drm_fbdev_generic_setup(ddev, 16); return 0; +err_unload: + drv_unload(ddev); err_put: drm_dev_put(ddev); From cd88105616010d34e684ff6c59ba71e651dacb0c Mon Sep 17 00:00:00 2001 From: Paulo Miguel Almeida Date: Sat, 29 Oct 2022 14:30:44 +1300 Subject: [PATCH 116/649] drm/amdgpu: Replace one-element array with flexible-array member [ Upstream commit 320e2590e281d0a7865e861f50155b5b435e9813 ] One-element arrays are deprecated, and we are replacing them with flexible array members instead. So, replace one-element array with flexible-array member in struct _ATOM_FAKE_EDID_PATCH_RECORD and refactor the rest of the code accordingly. Important to mention is that doing a build before/after this patch results in no binary output differences. This helps with the ongoing efforts to tighten the FORTIFY_SOURCE routines on memcpy() and help us make progress towards globally enabling -fstrict-flex-arrays=3 [1]. Link: https://github.com/KSPP/linux/issues/79 Link: https://github.com/KSPP/linux/issues/238 Link: https://gcc.gnu.org/bugzilla/show_bug.cgi?id=101836 [1] Signed-off-by: Paulo Miguel Almeida Signed-off-by: Alex Deucher Stable-dep-of: 8155566a26b8 ("drm/amdgpu: properly handle vbios fake edid sizing") Signed-off-by: Sasha Levin --- drivers/gpu/drm/amd/amdgpu/atombios_encoders.c | 7 +++++-- drivers/gpu/drm/amd/include/atombios.h | 2 +- 2 files changed, 6 insertions(+), 3 deletions(-) diff --git a/drivers/gpu/drm/amd/amdgpu/atombios_encoders.c b/drivers/gpu/drm/amd/amdgpu/atombios_encoders.c index 8339c8c3a328..78b4e749ca9f 100644 --- a/drivers/gpu/drm/amd/amdgpu/atombios_encoders.c +++ b/drivers/gpu/drm/amd/amdgpu/atombios_encoders.c @@ -2113,8 +2113,11 @@ amdgpu_atombios_encoder_get_lcd_info(struct amdgpu_encoder *encoder) } } record += fake_edid_record->ucFakeEDIDLength ? - fake_edid_record->ucFakeEDIDLength + 2 : - sizeof(ATOM_FAKE_EDID_PATCH_RECORD); + struct_size(fake_edid_record, + ucFakeEDIDString, + fake_edid_record->ucFakeEDIDLength) : + /* empty fake edid record must be 3 bytes long */ + sizeof(ATOM_FAKE_EDID_PATCH_RECORD) + 1; break; case LCD_PANEL_RESOLUTION_RECORD_TYPE: panel_res_record = (ATOM_PANEL_RESOLUTION_PATCH_RECORD *)record; diff --git a/drivers/gpu/drm/amd/include/atombios.h b/drivers/gpu/drm/amd/include/atombios.h index 8ba21747b40a..c9f70accd46d 100644 --- a/drivers/gpu/drm/amd/include/atombios.h +++ b/drivers/gpu/drm/amd/include/atombios.h @@ -4107,7 +4107,7 @@ typedef struct _ATOM_FAKE_EDID_PATCH_RECORD { UCHAR ucRecordType; UCHAR ucFakeEDIDLength; // = 128 means EDID length is 128 bytes, otherwise the EDID length = ucFakeEDIDLength*128 - UCHAR ucFakeEDIDString[1]; // This actually has ucFakeEdidLength elements. + UCHAR ucFakeEDIDString[]; // This actually has ucFakeEdidLength elements. } ATOM_FAKE_EDID_PATCH_RECORD; typedef struct _ATOM_PANEL_RESOLUTION_PATCH_RECORD From 5f943045ecd012a3d8cfdf1b74b0db22b5aad580 Mon Sep 17 00:00:00 2001 From: Alex Deucher Date: Tue, 23 Jul 2024 13:23:56 -0400 Subject: [PATCH 117/649] drm/amdgpu: properly handle vbios fake edid sizing MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit [ Upstream commit 8155566a26b8d6c1dd914f06a0c652e4e2f2adf1 ] The comment in the vbios structure says: // = 128 means EDID length is 128 bytes, otherwise the EDID length = ucFakeEDIDLength*128 This fake edid struct has not been used in a long time, so I'm not sure if there were actually any boards out there with a non-128 byte EDID, but align the code with the comment. Reviewed-by: Thomas Weißschuh Reported-by: Thomas Weißschuh Link: https://lists.freedesktop.org/archives/amd-gfx/2024-June/109964.html Fixes: d38ceaf99ed0 ("drm/amdgpu: add core driver (v4)") Signed-off-by: Alex Deucher Signed-off-by: Sasha Levin --- .../gpu/drm/amd/amdgpu/atombios_encoders.c | 29 ++++++++++--------- 1 file changed, 16 insertions(+), 13 deletions(-) diff --git a/drivers/gpu/drm/amd/amdgpu/atombios_encoders.c b/drivers/gpu/drm/amd/amdgpu/atombios_encoders.c index 78b4e749ca9f..9030f7151171 100644 --- a/drivers/gpu/drm/amd/amdgpu/atombios_encoders.c +++ b/drivers/gpu/drm/amd/amdgpu/atombios_encoders.c @@ -2098,26 +2098,29 @@ amdgpu_atombios_encoder_get_lcd_info(struct amdgpu_encoder *encoder) fake_edid_record = (ATOM_FAKE_EDID_PATCH_RECORD *)record; if (fake_edid_record->ucFakeEDIDLength) { struct edid *edid; - int edid_size = - max((int)EDID_LENGTH, (int)fake_edid_record->ucFakeEDIDLength); - edid = kmalloc(edid_size, GFP_KERNEL); - if (edid) { - memcpy((u8 *)edid, (u8 *)&fake_edid_record->ucFakeEDIDString[0], - fake_edid_record->ucFakeEDIDLength); + int edid_size; + if (fake_edid_record->ucFakeEDIDLength == 128) + edid_size = fake_edid_record->ucFakeEDIDLength; + else + edid_size = fake_edid_record->ucFakeEDIDLength * 128; + edid = kmemdup(&fake_edid_record->ucFakeEDIDString[0], + edid_size, GFP_KERNEL); + if (edid) { if (drm_edid_is_valid(edid)) { adev->mode_info.bios_hardcoded_edid = edid; adev->mode_info.bios_hardcoded_edid_size = edid_size; - } else + } else { kfree(edid); + } } + record += struct_size(fake_edid_record, + ucFakeEDIDString, + edid_size); + } else { + /* empty fake edid record must be 3 bytes long */ + record += sizeof(ATOM_FAKE_EDID_PATCH_RECORD) + 1; } - record += fake_edid_record->ucFakeEDIDLength ? - struct_size(fake_edid_record, - ucFakeEDIDString, - fake_edid_record->ucFakeEDIDLength) : - /* empty fake edid record must be 3 bytes long */ - sizeof(ATOM_FAKE_EDID_PATCH_RECORD) + 1; break; case LCD_PANEL_RESOLUTION_RECORD_TYPE: panel_res_record = (ATOM_PANEL_RESOLUTION_PATCH_RECORD *)record; From af2fb608e95ffc01f7b11371c00edb74aa0522af Mon Sep 17 00:00:00 2001 From: Paulo Miguel Almeida Date: Sat, 29 Oct 2022 16:32:05 +1300 Subject: [PATCH 118/649] drm/radeon: Replace one-element array with flexible-array member [ Upstream commit c81c5bd5cf2f428867e0bcfcccd4e4d2f8c68f51 ] One-element arrays are deprecated, and we are replacing them with flexible array members instead. So, replace one-element array with flexible-array member in struct _ATOM_FAKE_EDID_PATCH_RECORD and refactor the rest of the code accordingly. It's worth mentioning that doing a build before/after this patch results in no binary output differences. This helps with the ongoing efforts to tighten the FORTIFY_SOURCE routines on memcpy() and help us make progress towards globally enabling -fstrict-flex-arrays=3 [1]. Link: https://github.com/KSPP/linux/issues/79 Link: https://github.com/KSPP/linux/issues/239 Link: https://gcc.gnu.org/bugzilla/show_bug.cgi?id=101836 [1] Reviewed-by: Kees Cook Signed-off-by: Paulo Miguel Almeida Signed-off-by: Alex Deucher Stable-dep-of: 17c6baff3d5f ("drm/radeon: properly handle vbios fake edid sizing") Signed-off-by: Sasha Levin --- drivers/gpu/drm/radeon/atombios.h | 2 +- drivers/gpu/drm/radeon/radeon_atombios.c | 7 +++++-- 2 files changed, 6 insertions(+), 3 deletions(-) diff --git a/drivers/gpu/drm/radeon/atombios.h b/drivers/gpu/drm/radeon/atombios.h index 4b86e8b45009..e3f496464764 100644 --- a/drivers/gpu/drm/radeon/atombios.h +++ b/drivers/gpu/drm/radeon/atombios.h @@ -3615,7 +3615,7 @@ typedef struct _ATOM_FAKE_EDID_PATCH_RECORD { UCHAR ucRecordType; UCHAR ucFakeEDIDLength; - UCHAR ucFakeEDIDString[1]; // This actually has ucFakeEdidLength elements. + UCHAR ucFakeEDIDString[]; // This actually has ucFakeEdidLength elements. } ATOM_FAKE_EDID_PATCH_RECORD; typedef struct _ATOM_PANEL_RESOLUTION_PATCH_RECORD diff --git a/drivers/gpu/drm/radeon/radeon_atombios.c b/drivers/gpu/drm/radeon/radeon_atombios.c index aca6e5cfae53..60197257bca6 100644 --- a/drivers/gpu/drm/radeon/radeon_atombios.c +++ b/drivers/gpu/drm/radeon/radeon_atombios.c @@ -1735,8 +1735,11 @@ struct radeon_encoder_atom_dig *radeon_atombios_get_lvds_info(struct } } record += fake_edid_record->ucFakeEDIDLength ? - fake_edid_record->ucFakeEDIDLength + 2 : - sizeof(ATOM_FAKE_EDID_PATCH_RECORD); + struct_size(fake_edid_record, + ucFakeEDIDString, + fake_edid_record->ucFakeEDIDLength) : + /* empty fake edid record must be 3 bytes long */ + sizeof(ATOM_FAKE_EDID_PATCH_RECORD) + 1; break; case LCD_PANEL_RESOLUTION_RECORD_TYPE: panel_res_record = (ATOM_PANEL_RESOLUTION_PATCH_RECORD *)record; From e37fead06a4597f294f10aa98ea6cc066411018d Mon Sep 17 00:00:00 2001 From: Alex Deucher Date: Tue, 23 Jul 2024 13:31:58 -0400 Subject: [PATCH 119/649] drm/radeon: properly handle vbios fake edid sizing MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit [ Upstream commit 17c6baff3d5f65c8da164137a58742541a060b2f ] The comment in the vbios structure says: // = 128 means EDID length is 128 bytes, otherwise the EDID length = ucFakeEDIDLength*128 This fake edid struct has not been used in a long time, so I'm not sure if there were actually any boards out there with a non-128 byte EDID, but align the code with the comment. Reviewed-by: Thomas Weißschuh Reported-by: Thomas Weißschuh Link: https://lists.freedesktop.org/archives/amd-gfx/2024-June/109964.html Fixes: c324acd5032f ("drm/radeon/kms: parse the extended LCD info block") Signed-off-by: Alex Deucher Signed-off-by: Sasha Levin --- drivers/gpu/drm/radeon/radeon_atombios.c | 29 +++++++++++++----------- 1 file changed, 16 insertions(+), 13 deletions(-) diff --git a/drivers/gpu/drm/radeon/radeon_atombios.c b/drivers/gpu/drm/radeon/radeon_atombios.c index 60197257bca6..b5ce63ca3f05 100644 --- a/drivers/gpu/drm/radeon/radeon_atombios.c +++ b/drivers/gpu/drm/radeon/radeon_atombios.c @@ -1720,26 +1720,29 @@ struct radeon_encoder_atom_dig *radeon_atombios_get_lvds_info(struct fake_edid_record = (ATOM_FAKE_EDID_PATCH_RECORD *)record; if (fake_edid_record->ucFakeEDIDLength) { struct edid *edid; - int edid_size = - max((int)EDID_LENGTH, (int)fake_edid_record->ucFakeEDIDLength); - edid = kmalloc(edid_size, GFP_KERNEL); - if (edid) { - memcpy((u8 *)edid, (u8 *)&fake_edid_record->ucFakeEDIDString[0], - fake_edid_record->ucFakeEDIDLength); + int edid_size; + if (fake_edid_record->ucFakeEDIDLength == 128) + edid_size = fake_edid_record->ucFakeEDIDLength; + else + edid_size = fake_edid_record->ucFakeEDIDLength * 128; + edid = kmemdup(&fake_edid_record->ucFakeEDIDString[0], + edid_size, GFP_KERNEL); + if (edid) { if (drm_edid_is_valid(edid)) { rdev->mode_info.bios_hardcoded_edid = edid; rdev->mode_info.bios_hardcoded_edid_size = edid_size; - } else + } else { kfree(edid); + } } + record += struct_size(fake_edid_record, + ucFakeEDIDString, + edid_size); + } else { + /* empty fake edid record must be 3 bytes long */ + record += sizeof(ATOM_FAKE_EDID_PATCH_RECORD) + 1; } - record += fake_edid_record->ucFakeEDIDLength ? - struct_size(fake_edid_record, - ucFakeEDIDString, - fake_edid_record->ucFakeEDIDLength) : - /* empty fake edid record must be 3 bytes long */ - sizeof(ATOM_FAKE_EDID_PATCH_RECORD) + 1; break; case LCD_PANEL_RESOLUTION_RECORD_TYPE: panel_res_record = (ATOM_PANEL_RESOLUTION_PATCH_RECORD *)record; From 5f37e8c415263b59c9637d81fd4905698b2f419f Mon Sep 17 00:00:00 2001 From: Alex Bee Date: Sat, 15 Jun 2024 17:03:54 +0000 Subject: [PATCH 120/649] drm/rockchip: vop: Allow 4096px width scaling [ Upstream commit 0ef968d91a20b5da581839f093f98f7a03a804f7 ] There is no reason to limit VOP scaling to 3840px width, the limit of RK3288, when there are newer VOP versions that support 4096px width. Change to enforce a maximum of 4096px width plane scaling, the maximum supported output width of the VOP versions supported by this driver. Fixes: 4c156c21c794 ("drm/rockchip: vop: support plane scale") Signed-off-by: Alex Bee Signed-off-by: Jonas Karlman Signed-off-by: Heiko Stuebner Link: https://patchwork.freedesktop.org/patch/msgid/20240615170417.3134517-4-jonas@kwiboo.se Signed-off-by: Sasha Levin --- drivers/gpu/drm/rockchip/rockchip_drm_vop.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/gpu/drm/rockchip/rockchip_drm_vop.c b/drivers/gpu/drm/rockchip/rockchip_drm_vop.c index 682d78fab9a5..d4a3170d1678 100644 --- a/drivers/gpu/drm/rockchip/rockchip_drm_vop.c +++ b/drivers/gpu/drm/rockchip/rockchip_drm_vop.c @@ -370,8 +370,8 @@ static void scl_vop_cal_scl_fac(struct vop *vop, const struct vop_win_data *win, if (info->is_yuv) is_yuv = true; - if (dst_w > 3840) { - DRM_DEV_ERROR(vop->dev, "Maximum dst width (3840) exceeded\n"); + if (dst_w > 4096) { + DRM_DEV_ERROR(vop->dev, "Maximum dst width (4096) exceeded\n"); return; } From 6b38aedfdcd9b9742f488953232a0654e08582b1 Mon Sep 17 00:00:00 2001 From: Jonas Karlman Date: Sat, 15 Jun 2024 17:03:55 +0000 Subject: [PATCH 121/649] drm/rockchip: dw_hdmi: Fix reading EDID when using a forced mode [ Upstream commit a5d024541ec466f428e6c514577d511a40779c7b ] EDID cannot be read on RK3328 until after read_hpd has been called and correct io voltage has been configured based on connection status. When a forced mode is used, e.g. video=1920x1080@60e, the connector detect ops, that in turn normally calls the read_hpd, never gets called. This result in reading EDID to fail in connector get_modes ops. Call dw_hdmi_rk3328_read_hpd at end of dw_hdmi_rk3328_setup_hpd to correct io voltage and allow reading EDID after setup_hpd. Fixes: 1c53ba8f22a1 ("drm/rockchip: dw_hdmi: add dw-hdmi support for the rk3328") Signed-off-by: Jonas Karlman Signed-off-by: Heiko Stuebner Link: https://patchwork.freedesktop.org/patch/msgid/20240615170417.3134517-5-jonas@kwiboo.se Signed-off-by: Sasha Levin --- drivers/gpu/drm/rockchip/dw_hdmi-rockchip.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/drivers/gpu/drm/rockchip/dw_hdmi-rockchip.c b/drivers/gpu/drm/rockchip/dw_hdmi-rockchip.c index 515e6f187dc7..91e28fcdd22e 100644 --- a/drivers/gpu/drm/rockchip/dw_hdmi-rockchip.c +++ b/drivers/gpu/drm/rockchip/dw_hdmi-rockchip.c @@ -389,6 +389,8 @@ static void dw_hdmi_rk3328_setup_hpd(struct dw_hdmi *dw_hdmi, void *data) HIWORD_UPDATE(RK3328_HDMI_SDAIN_MSK | RK3328_HDMI_SCLIN_MSK, RK3328_HDMI_SDAIN_MSK | RK3328_HDMI_SCLIN_MSK | RK3328_HDMI_HPD_IOE)); + + dw_hdmi_rk3328_read_hpd(dw_hdmi, data); } static const struct dw_hdmi_phy_ops rk3228_hdmi_phy_ops = { From 36820265a009b56867c3be34771030e9deb22566 Mon Sep 17 00:00:00 2001 From: Nikita Zhandarovich Date: Tue, 6 Aug 2024 10:19:04 -0700 Subject: [PATCH 122/649] drm/radeon/evergreen_cs: fix int overflow errors in cs track offsets [ Upstream commit 3fbaf475a5b8361ebee7da18964db809e37518b7 ] Several cs track offsets (such as 'track->db_s_read_offset') either are initialized with or plainly take big enough values that, once shifted 8 bits left, may be hit with integer overflow if the resulting values end up going over u32 limit. Same goes for a few instances of 'surf.layer_size * mslice' multiplications that are added to 'offset' variable - they may potentially overflow as well and need to be validated properly. While some debug prints in this code section take possible overflow issues into account, simply casting to (unsigned long) may be erroneous in its own way, as depending on CPU architecture one is liable to get different results. Fix said problems by: - casting 'offset' to fixed u64 data type instead of ambiguous unsigned long. - casting one of the operands in vulnerable to integer overflow cases to u64. - adjust format specifiers in debug prints to properly represent 'offset' values. Found by Linux Verification Center (linuxtesting.org) with static analysis tool SVACE. Fixes: 285484e2d55e ("drm/radeon: add support for evergreen/ni tiling informations v11") Signed-off-by: Nikita Zhandarovich Signed-off-by: Alex Deucher Signed-off-by: Sasha Levin --- drivers/gpu/drm/radeon/evergreen_cs.c | 62 +++++++++++++-------------- 1 file changed, 31 insertions(+), 31 deletions(-) diff --git a/drivers/gpu/drm/radeon/evergreen_cs.c b/drivers/gpu/drm/radeon/evergreen_cs.c index c410cad28f19..468efa5ac8fc 100644 --- a/drivers/gpu/drm/radeon/evergreen_cs.c +++ b/drivers/gpu/drm/radeon/evergreen_cs.c @@ -396,7 +396,7 @@ static int evergreen_cs_track_validate_cb(struct radeon_cs_parser *p, unsigned i struct evergreen_cs_track *track = p->track; struct eg_surface surf; unsigned pitch, slice, mslice; - unsigned long offset; + u64 offset; int r; mslice = G_028C6C_SLICE_MAX(track->cb_color_view[id]) + 1; @@ -434,14 +434,14 @@ static int evergreen_cs_track_validate_cb(struct radeon_cs_parser *p, unsigned i return r; } - offset = track->cb_color_bo_offset[id] << 8; + offset = (u64)track->cb_color_bo_offset[id] << 8; if (offset & (surf.base_align - 1)) { - dev_warn(p->dev, "%s:%d cb[%d] bo base %ld not aligned with %ld\n", + dev_warn(p->dev, "%s:%d cb[%d] bo base %llu not aligned with %ld\n", __func__, __LINE__, id, offset, surf.base_align); return -EINVAL; } - offset += surf.layer_size * mslice; + offset += (u64)surf.layer_size * mslice; if (offset > radeon_bo_size(track->cb_color_bo[id])) { /* old ddx are broken they allocate bo with w*h*bpp but * program slice with ALIGN(h, 8), catch this and patch @@ -449,14 +449,14 @@ static int evergreen_cs_track_validate_cb(struct radeon_cs_parser *p, unsigned i */ if (!surf.mode) { uint32_t *ib = p->ib.ptr; - unsigned long tmp, nby, bsize, size, min = 0; + u64 tmp, nby, bsize, size, min = 0; /* find the height the ddx wants */ if (surf.nby > 8) { min = surf.nby - 8; } bsize = radeon_bo_size(track->cb_color_bo[id]); - tmp = track->cb_color_bo_offset[id] << 8; + tmp = (u64)track->cb_color_bo_offset[id] << 8; for (nby = surf.nby; nby > min; nby--) { size = nby * surf.nbx * surf.bpe * surf.nsamples; if ((tmp + size * mslice) <= bsize) { @@ -468,7 +468,7 @@ static int evergreen_cs_track_validate_cb(struct radeon_cs_parser *p, unsigned i slice = ((nby * surf.nbx) / 64) - 1; if (!evergreen_surface_check(p, &surf, "cb")) { /* check if this one works */ - tmp += surf.layer_size * mslice; + tmp += (u64)surf.layer_size * mslice; if (tmp <= bsize) { ib[track->cb_color_slice_idx[id]] = slice; goto old_ddx_ok; @@ -477,9 +477,9 @@ static int evergreen_cs_track_validate_cb(struct radeon_cs_parser *p, unsigned i } } dev_warn(p->dev, "%s:%d cb[%d] bo too small (layer size %d, " - "offset %d, max layer %d, bo size %ld, slice %d)\n", + "offset %llu, max layer %d, bo size %ld, slice %d)\n", __func__, __LINE__, id, surf.layer_size, - track->cb_color_bo_offset[id] << 8, mslice, + (u64)track->cb_color_bo_offset[id] << 8, mslice, radeon_bo_size(track->cb_color_bo[id]), slice); dev_warn(p->dev, "%s:%d problematic surf: (%d %d) (%d %d %d %d %d %d %d)\n", __func__, __LINE__, surf.nbx, surf.nby, @@ -563,7 +563,7 @@ static int evergreen_cs_track_validate_stencil(struct radeon_cs_parser *p) struct evergreen_cs_track *track = p->track; struct eg_surface surf; unsigned pitch, slice, mslice; - unsigned long offset; + u64 offset; int r; mslice = G_028008_SLICE_MAX(track->db_depth_view) + 1; @@ -609,18 +609,18 @@ static int evergreen_cs_track_validate_stencil(struct radeon_cs_parser *p) return r; } - offset = track->db_s_read_offset << 8; + offset = (u64)track->db_s_read_offset << 8; if (offset & (surf.base_align - 1)) { - dev_warn(p->dev, "%s:%d stencil read bo base %ld not aligned with %ld\n", + dev_warn(p->dev, "%s:%d stencil read bo base %llu not aligned with %ld\n", __func__, __LINE__, offset, surf.base_align); return -EINVAL; } - offset += surf.layer_size * mslice; + offset += (u64)surf.layer_size * mslice; if (offset > radeon_bo_size(track->db_s_read_bo)) { dev_warn(p->dev, "%s:%d stencil read bo too small (layer size %d, " - "offset %ld, max layer %d, bo size %ld)\n", + "offset %llu, max layer %d, bo size %ld)\n", __func__, __LINE__, surf.layer_size, - (unsigned long)track->db_s_read_offset << 8, mslice, + (u64)track->db_s_read_offset << 8, mslice, radeon_bo_size(track->db_s_read_bo)); dev_warn(p->dev, "%s:%d stencil invalid (0x%08x 0x%08x 0x%08x 0x%08x)\n", __func__, __LINE__, track->db_depth_size, @@ -628,18 +628,18 @@ static int evergreen_cs_track_validate_stencil(struct radeon_cs_parser *p) return -EINVAL; } - offset = track->db_s_write_offset << 8; + offset = (u64)track->db_s_write_offset << 8; if (offset & (surf.base_align - 1)) { - dev_warn(p->dev, "%s:%d stencil write bo base %ld not aligned with %ld\n", + dev_warn(p->dev, "%s:%d stencil write bo base %llu not aligned with %ld\n", __func__, __LINE__, offset, surf.base_align); return -EINVAL; } - offset += surf.layer_size * mslice; + offset += (u64)surf.layer_size * mslice; if (offset > radeon_bo_size(track->db_s_write_bo)) { dev_warn(p->dev, "%s:%d stencil write bo too small (layer size %d, " - "offset %ld, max layer %d, bo size %ld)\n", + "offset %llu, max layer %d, bo size %ld)\n", __func__, __LINE__, surf.layer_size, - (unsigned long)track->db_s_write_offset << 8, mslice, + (u64)track->db_s_write_offset << 8, mslice, radeon_bo_size(track->db_s_write_bo)); return -EINVAL; } @@ -660,7 +660,7 @@ static int evergreen_cs_track_validate_depth(struct radeon_cs_parser *p) struct evergreen_cs_track *track = p->track; struct eg_surface surf; unsigned pitch, slice, mslice; - unsigned long offset; + u64 offset; int r; mslice = G_028008_SLICE_MAX(track->db_depth_view) + 1; @@ -707,34 +707,34 @@ static int evergreen_cs_track_validate_depth(struct radeon_cs_parser *p) return r; } - offset = track->db_z_read_offset << 8; + offset = (u64)track->db_z_read_offset << 8; if (offset & (surf.base_align - 1)) { - dev_warn(p->dev, "%s:%d stencil read bo base %ld not aligned with %ld\n", + dev_warn(p->dev, "%s:%d stencil read bo base %llu not aligned with %ld\n", __func__, __LINE__, offset, surf.base_align); return -EINVAL; } - offset += surf.layer_size * mslice; + offset += (u64)surf.layer_size * mslice; if (offset > radeon_bo_size(track->db_z_read_bo)) { dev_warn(p->dev, "%s:%d depth read bo too small (layer size %d, " - "offset %ld, max layer %d, bo size %ld)\n", + "offset %llu, max layer %d, bo size %ld)\n", __func__, __LINE__, surf.layer_size, - (unsigned long)track->db_z_read_offset << 8, mslice, + (u64)track->db_z_read_offset << 8, mslice, radeon_bo_size(track->db_z_read_bo)); return -EINVAL; } - offset = track->db_z_write_offset << 8; + offset = (u64)track->db_z_write_offset << 8; if (offset & (surf.base_align - 1)) { - dev_warn(p->dev, "%s:%d stencil write bo base %ld not aligned with %ld\n", + dev_warn(p->dev, "%s:%d stencil write bo base %llu not aligned with %ld\n", __func__, __LINE__, offset, surf.base_align); return -EINVAL; } - offset += surf.layer_size * mslice; + offset += (u64)surf.layer_size * mslice; if (offset > radeon_bo_size(track->db_z_write_bo)) { dev_warn(p->dev, "%s:%d depth write bo too small (layer size %d, " - "offset %ld, max layer %d, bo size %ld)\n", + "offset %llu, max layer %d, bo size %ld)\n", __func__, __LINE__, surf.layer_size, - (unsigned long)track->db_z_write_offset << 8, mslice, + (u64)track->db_z_write_offset << 8, mslice, radeon_bo_size(track->db_z_write_bo)); return -EINVAL; } From 0338e66cba272351ca9d7d03f3628e390e70963b Mon Sep 17 00:00:00 2001 From: Jeongjun Park Date: Mon, 19 Aug 2024 13:05:46 +0900 Subject: [PATCH 123/649] jfs: fix out-of-bounds in dbNextAG() and diAlloc() [ Upstream commit e63866a475562810500ea7f784099bfe341e761a ] In dbNextAG() , there is no check for the case where bmp->db_numag is greater or same than MAXAG due to a polluted image, which causes an out-of-bounds. Therefore, a bounds check should be added in dbMount(). And in dbNextAG(), a check for the case where agpref is greater than bmp->db_numag should be added, so an out-of-bounds exception should be prevented. Additionally, a check for the case where agno is greater or same than MAXAG should be added in diAlloc() to prevent out-of-bounds. Reported-by: Jeongjun Park Fixes: 1da177e4c3f4 ("Linux-2.6.12-rc2") Signed-off-by: Jeongjun Park Signed-off-by: Dave Kleikamp Signed-off-by: Sasha Levin --- fs/jfs/jfs_dmap.c | 4 ++-- fs/jfs/jfs_imap.c | 2 +- 2 files changed, 3 insertions(+), 3 deletions(-) diff --git a/fs/jfs/jfs_dmap.c b/fs/jfs/jfs_dmap.c index 9b6849b9bfdb..801996da08a4 100644 --- a/fs/jfs/jfs_dmap.c +++ b/fs/jfs/jfs_dmap.c @@ -187,7 +187,7 @@ int dbMount(struct inode *ipbmap) } bmp->db_numag = le32_to_cpu(dbmp_le->dn_numag); - if (!bmp->db_numag) { + if (!bmp->db_numag || bmp->db_numag >= MAXAG) { err = -EINVAL; goto err_release_metapage; } @@ -652,7 +652,7 @@ int dbNextAG(struct inode *ipbmap) * average free space. */ for (i = 0 ; i < bmp->db_numag; i++, agpref++) { - if (agpref == bmp->db_numag) + if (agpref >= bmp->db_numag) agpref = 0; if (atomic_read(&bmp->db_active[agpref])) diff --git a/fs/jfs/jfs_imap.c b/fs/jfs/jfs_imap.c index 36ed75682064..da3a1c27d349 100644 --- a/fs/jfs/jfs_imap.c +++ b/fs/jfs/jfs_imap.c @@ -1362,7 +1362,7 @@ int diAlloc(struct inode *pip, bool dir, struct inode *ip) /* get the ag number of this iag */ agno = BLKTOAG(JFS_IP(pip)->agstart, JFS_SBI(pip->i_sb)); dn_numag = JFS_SBI(pip->i_sb)->bmap->db_numag; - if (agno < 0 || agno > dn_numag) + if (agno < 0 || agno > dn_numag || agno >= MAXAG) return -EIO; if (atomic_read(&JFS_SBI(pip->i_sb)->bmap->db_active[agno])) { From 14531e3b82cee858b7c59df2792aa9b0873da64b Mon Sep 17 00:00:00 2001 From: Aleksandr Mishin Date: Fri, 5 Jul 2024 12:13:12 +0300 Subject: [PATCH 124/649] drm/msm: Fix incorrect file name output in adreno_request_fw() [ Upstream commit e19366911340c2313a1abbb09c54eaf9bdea4f58 ] In adreno_request_fw() when debugging information is printed to the log after firmware load, an incorrect filename is printed. 'newname' is used instead of 'fwname', so prefix "qcom/" is being added to filename. Looks like "copy-paste" mistake. Fix this mistake by replacing 'newname' with 'fwname'. Found by Linux Verification Center (linuxtesting.org) with SVACE. Fixes: 2c41ef1b6f7d ("drm/msm/adreno: deal with linux-firmware fw paths") Signed-off-by: Aleksandr Mishin Reviewed-by: Dmitry Baryshkov Patchwork: https://patchwork.freedesktop.org/patch/602382/ Signed-off-by: Rob Clark Signed-off-by: Sasha Levin --- drivers/gpu/drm/msm/adreno/adreno_gpu.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/gpu/drm/msm/adreno/adreno_gpu.c b/drivers/gpu/drm/msm/adreno/adreno_gpu.c index a5f95801adfe..773bd463ad47 100644 --- a/drivers/gpu/drm/msm/adreno/adreno_gpu.c +++ b/drivers/gpu/drm/msm/adreno/adreno_gpu.c @@ -308,7 +308,7 @@ adreno_request_fw(struct adreno_gpu *adreno_gpu, const char *fwname) ret = request_firmware_direct(&fw, fwname, drm->dev); if (!ret) { DRM_DEV_INFO(drm->dev, "loaded %s from legacy location\n", - newname); + fwname); adreno_gpu->fwloc = FW_LOCATION_LEGACY; goto out; } else if (adreno_gpu->fwloc != FW_LOCATION_UNKNOWN) { From fe93cd66351854ef66838e9afa9c0d142b9d9a58 Mon Sep 17 00:00:00 2001 From: Vladimir Lypak Date: Sun, 1 Sep 2024 13:54:00 +0000 Subject: [PATCH 125/649] drm/msm/a5xx: disable preemption in submits by default [ Upstream commit db9dec2db76146d65e1cfbb6afb2e2bd5dab67f8 ] Fine grain preemption (switching from/to points within submits) requires extra handling in command stream of those submits, especially when rendering with tiling (using GMEM). However this handling is missing at this point in mesa (and always was). For this reason we get random GPU faults and hangs if more than one priority level is used because local preemption is enabled prior to executing command stream from submit. With that said it was ahead of time to enable local preemption by default considering the fact that even on downstream kernel it is only enabled if requested via UAPI. Fixes: a7a4c19c36de ("drm/msm/a5xx: fix setting of the CP_PREEMPT_ENABLE_LOCAL register") Signed-off-by: Vladimir Lypak Patchwork: https://patchwork.freedesktop.org/patch/612041/ Signed-off-by: Rob Clark Signed-off-by: Sasha Levin --- drivers/gpu/drm/msm/adreno/a5xx_gpu.c | 8 ++++++-- 1 file changed, 6 insertions(+), 2 deletions(-) diff --git a/drivers/gpu/drm/msm/adreno/a5xx_gpu.c b/drivers/gpu/drm/msm/adreno/a5xx_gpu.c index 9ae0e60ecac3..00e591ffc191 100644 --- a/drivers/gpu/drm/msm/adreno/a5xx_gpu.c +++ b/drivers/gpu/drm/msm/adreno/a5xx_gpu.c @@ -143,9 +143,13 @@ static void a5xx_submit(struct msm_gpu *gpu, struct msm_gem_submit *submit) OUT_PKT7(ring, CP_SET_PROTECTED_MODE, 1); OUT_RING(ring, 1); - /* Enable local preemption for finegrain preemption */ + /* + * Disable local preemption by default because it requires + * user-space to be aware of it and provide additional handling + * to restore rendering state or do various flushes on switch. + */ OUT_PKT7(ring, CP_PREEMPT_ENABLE_LOCAL, 1); - OUT_RING(ring, 0x1); + OUT_RING(ring, 0x0); /* Allow CP_CONTEXT_SWITCH_YIELD packets in the IB2 */ OUT_PKT7(ring, CP_YIELD_ENABLE, 1); From cfca8b26a9f51cd62927ce49d94e82ebd9ac0936 Mon Sep 17 00:00:00 2001 From: Vladimir Lypak Date: Sun, 1 Sep 2024 13:54:01 +0000 Subject: [PATCH 126/649] drm/msm/a5xx: properly clear preemption records on resume [ Upstream commit 64fd6d01a52904bdbda0ce810a45a428c995a4ca ] Two fields of preempt_record which are used by CP aren't reset on resume: "data" and "info". This is the reason behind faults which happen when we try to switch to the ring that was active last before suspend. In addition those faults can't be recovered from because we use suspend and resume to do so (keeping values of those fields again). Fixes: b1fc2839d2f9 ("drm/msm: Implement preemption for A5XX targets") Signed-off-by: Vladimir Lypak Reviewed-by: Konrad Dybcio Patchwork: https://patchwork.freedesktop.org/patch/612043/ Signed-off-by: Rob Clark Signed-off-by: Sasha Levin --- drivers/gpu/drm/msm/adreno/a5xx_preempt.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/drivers/gpu/drm/msm/adreno/a5xx_preempt.c b/drivers/gpu/drm/msm/adreno/a5xx_preempt.c index b8e71ad6f8d8..ad72aeb7041b 100644 --- a/drivers/gpu/drm/msm/adreno/a5xx_preempt.c +++ b/drivers/gpu/drm/msm/adreno/a5xx_preempt.c @@ -207,6 +207,8 @@ void a5xx_preempt_hw_init(struct msm_gpu *gpu) return; for (i = 0; i < gpu->nr_rings; i++) { + a5xx_gpu->preempt[i]->data = 0; + a5xx_gpu->preempt[i]->info = 0; a5xx_gpu->preempt[i]->wptr = 0; a5xx_gpu->preempt[i]->rptr = 0; a5xx_gpu->preempt[i]->rbase = gpu->rb[i]->iova; From 5ce4075ddea04d33293783f652db61f1646e819b Mon Sep 17 00:00:00 2001 From: Vladimir Lypak Date: Sun, 1 Sep 2024 13:54:02 +0000 Subject: [PATCH 127/649] drm/msm/a5xx: fix races in preemption evaluation stage [ Upstream commit ce050f307ad93bcc5958d0dd35fc276fd394d274 ] On A5XX GPUs when preemption is used it's invietable to enter a soft lock-up state in which GPU is stuck at empty ring-buffer doing nothing. This appears as full UI lockup and not detected as GPU hang (because it's not). This happens due to not triggering preemption when it was needed. Sometimes this state can be recovered by some new submit but generally it won't happen because applications are waiting for old submits to retire. One of the reasons why this happens is a race between a5xx_submit and a5xx_preempt_trigger called from IRQ during submit retire. Former thread updates ring->cur of previously empty and not current ring right after latter checks it for emptiness. Then both threads can just exit because for first one preempt_state wasn't NONE yet and for second one all rings appeared to be empty. To prevent such situations from happening we need to establish guarantee for preempt_trigger to make decision after each submit or retire. To implement this we serialize preemption initiation using spinlock. If switch is already in progress we need to re-trigger preemption when it finishes. Fixes: b1fc2839d2f9 ("drm/msm: Implement preemption for A5XX targets") Signed-off-by: Vladimir Lypak Patchwork: https://patchwork.freedesktop.org/patch/612045/ Signed-off-by: Rob Clark Signed-off-by: Sasha Levin --- drivers/gpu/drm/msm/adreno/a5xx_gpu.h | 1 + drivers/gpu/drm/msm/adreno/a5xx_preempt.c | 24 +++++++++++++++++++++-- 2 files changed, 23 insertions(+), 2 deletions(-) diff --git a/drivers/gpu/drm/msm/adreno/a5xx_gpu.h b/drivers/gpu/drm/msm/adreno/a5xx_gpu.h index c7187bcc5e90..b4d06ca3e499 100644 --- a/drivers/gpu/drm/msm/adreno/a5xx_gpu.h +++ b/drivers/gpu/drm/msm/adreno/a5xx_gpu.h @@ -36,6 +36,7 @@ struct a5xx_gpu { uint64_t preempt_iova[MSM_GPU_MAX_RINGS]; atomic_t preempt_state; + spinlock_t preempt_start_lock; struct timer_list preempt_timer; struct drm_gem_object *shadow_bo; diff --git a/drivers/gpu/drm/msm/adreno/a5xx_preempt.c b/drivers/gpu/drm/msm/adreno/a5xx_preempt.c index ad72aeb7041b..096da495e721 100644 --- a/drivers/gpu/drm/msm/adreno/a5xx_preempt.c +++ b/drivers/gpu/drm/msm/adreno/a5xx_preempt.c @@ -98,12 +98,19 @@ void a5xx_preempt_trigger(struct msm_gpu *gpu) if (gpu->nr_rings == 1) return; + /* + * Serialize preemption start to ensure that we always make + * decision on latest state. Otherwise we can get stuck in + * lower priority or empty ring. + */ + spin_lock_irqsave(&a5xx_gpu->preempt_start_lock, flags); + /* * Try to start preemption by moving from NONE to START. If * unsuccessful, a preemption is already in flight */ if (!try_preempt_state(a5xx_gpu, PREEMPT_NONE, PREEMPT_START)) - return; + goto out; /* Get the next ring to preempt to */ ring = get_next_ring(gpu); @@ -128,9 +135,11 @@ void a5xx_preempt_trigger(struct msm_gpu *gpu) set_preempt_state(a5xx_gpu, PREEMPT_ABORT); update_wptr(gpu, a5xx_gpu->cur_ring); set_preempt_state(a5xx_gpu, PREEMPT_NONE); - return; + goto out; } + spin_unlock_irqrestore(&a5xx_gpu->preempt_start_lock, flags); + /* Make sure the wptr doesn't update while we're in motion */ spin_lock_irqsave(&ring->preempt_lock, flags); a5xx_gpu->preempt[ring->id]->wptr = get_wptr(ring); @@ -154,6 +163,10 @@ void a5xx_preempt_trigger(struct msm_gpu *gpu) /* And actually start the preemption */ gpu_write(gpu, REG_A5XX_CP_CONTEXT_SWITCH_CNTL, 1); + return; + +out: + spin_unlock_irqrestore(&a5xx_gpu->preempt_start_lock, flags); } void a5xx_preempt_irq(struct msm_gpu *gpu) @@ -191,6 +204,12 @@ void a5xx_preempt_irq(struct msm_gpu *gpu) update_wptr(gpu, a5xx_gpu->cur_ring); set_preempt_state(a5xx_gpu, PREEMPT_NONE); + + /* + * Try to trigger preemption again in case there was a submit or + * retire during ring switch + */ + a5xx_preempt_trigger(gpu); } void a5xx_preempt_hw_init(struct msm_gpu *gpu) @@ -305,5 +324,6 @@ void a5xx_preempt_init(struct msm_gpu *gpu) } } + spin_lock_init(&a5xx_gpu->preempt_start_lock); timer_setup(&a5xx_gpu->preempt_timer, a5xx_preempt_timer, 0); } From 9dffbbd7b84f7bf244074dc324ca6806c04ff996 Mon Sep 17 00:00:00 2001 From: Rob Clark Date: Fri, 23 Oct 2020 09:51:14 -0700 Subject: [PATCH 128/649] drm/msm: Add priv->mm_lock to protect active/inactive lists [ Upstream commit d984457b31c4c53d2af374d5e78b3eb64debd483 ] Rather than relying on the big dev->struct_mutex hammer, introduce a more specific lock for protecting the bo lists. Signed-off-by: Rob Clark Reviewed-by: Jordan Crouse Reviewed-by: Kristian H. Kristensen Signed-off-by: Rob Clark Stable-dep-of: a30f9f65b5ac ("drm/msm/a5xx: workaround early ring-buffer emptiness check") Signed-off-by: Sasha Levin --- drivers/gpu/drm/msm/msm_debugfs.c | 7 +++++++ drivers/gpu/drm/msm/msm_drv.c | 7 +++++++ drivers/gpu/drm/msm/msm_drv.h | 13 +++++++++++- drivers/gpu/drm/msm/msm_gem.c | 28 +++++++++++++++----------- drivers/gpu/drm/msm/msm_gem_shrinker.c | 12 +++++++++++ drivers/gpu/drm/msm/msm_gpu.h | 5 ++++- 6 files changed, 58 insertions(+), 14 deletions(-) diff --git a/drivers/gpu/drm/msm/msm_debugfs.c b/drivers/gpu/drm/msm/msm_debugfs.c index 7a7ccad65c92..97cbb850ad6d 100644 --- a/drivers/gpu/drm/msm/msm_debugfs.c +++ b/drivers/gpu/drm/msm/msm_debugfs.c @@ -113,6 +113,11 @@ static int msm_gem_show(struct drm_device *dev, struct seq_file *m) { struct msm_drm_private *priv = dev->dev_private; struct msm_gpu *gpu = priv->gpu; + int ret; + + ret = mutex_lock_interruptible(&priv->mm_lock); + if (ret) + return ret; if (gpu) { seq_printf(m, "Active Objects (%s):\n", gpu->name); @@ -122,6 +127,8 @@ static int msm_gem_show(struct drm_device *dev, struct seq_file *m) seq_printf(m, "Inactive Objects:\n"); msm_gem_describe_objects(&priv->inactive_list, m); + mutex_unlock(&priv->mm_lock); + return 0; } diff --git a/drivers/gpu/drm/msm/msm_drv.c b/drivers/gpu/drm/msm/msm_drv.c index 087efcb1f34c..130c721fcd4e 100644 --- a/drivers/gpu/drm/msm/msm_drv.c +++ b/drivers/gpu/drm/msm/msm_drv.c @@ -7,6 +7,7 @@ #include #include +#include #include #include @@ -442,6 +443,12 @@ static int msm_drm_init(struct device *dev, struct drm_driver *drv) init_llist_head(&priv->free_list); INIT_LIST_HEAD(&priv->inactive_list); + mutex_init(&priv->mm_lock); + + /* Teach lockdep about lock ordering wrt. shrinker: */ + fs_reclaim_acquire(GFP_KERNEL); + might_lock(&priv->mm_lock); + fs_reclaim_release(GFP_KERNEL); drm_mode_config_init(ddev); diff --git a/drivers/gpu/drm/msm/msm_drv.h b/drivers/gpu/drm/msm/msm_drv.h index 1fe809add8f6..3a49e8eb338c 100644 --- a/drivers/gpu/drm/msm/msm_drv.h +++ b/drivers/gpu/drm/msm/msm_drv.h @@ -175,8 +175,19 @@ struct msm_drm_private { struct msm_rd_state *hangrd; /* debugfs to dump hanging submits */ struct msm_perf_state *perf; - /* list of GEM objects: */ + /* + * List of inactive GEM objects. Every bo is either in the inactive_list + * or gpu->active_list (for the gpu it is active on[1]) + * + * These lists are protected by mm_lock. If struct_mutex is involved, it + * should be aquired prior to mm_lock. One should *not* hold mm_lock in + * get_pages()/vmap()/etc paths, as they can trigger the shrinker. + * + * [1] if someone ever added support for the old 2d cores, there could be + * more than one gpu object + */ struct list_head inactive_list; + struct mutex mm_lock; /* worker for delayed free of objects: */ struct work_struct free_work; diff --git a/drivers/gpu/drm/msm/msm_gem.c b/drivers/gpu/drm/msm/msm_gem.c index 9c05bf6c4551..d0201909ee7a 100644 --- a/drivers/gpu/drm/msm/msm_gem.c +++ b/drivers/gpu/drm/msm/msm_gem.c @@ -745,13 +745,17 @@ int msm_gem_sync_object(struct drm_gem_object *obj, void msm_gem_active_get(struct drm_gem_object *obj, struct msm_gpu *gpu) { struct msm_gem_object *msm_obj = to_msm_bo(obj); - WARN_ON(!mutex_is_locked(&obj->dev->struct_mutex)); + struct msm_drm_private *priv = obj->dev->dev_private; + + might_sleep(); WARN_ON(msm_obj->madv != MSM_MADV_WILLNEED); if (!atomic_fetch_inc(&msm_obj->active_count)) { + mutex_lock(&priv->mm_lock); msm_obj->gpu = gpu; list_del_init(&msm_obj->mm_list); list_add_tail(&msm_obj->mm_list, &gpu->active_list); + mutex_unlock(&priv->mm_lock); } } @@ -760,12 +764,14 @@ void msm_gem_active_put(struct drm_gem_object *obj) struct msm_gem_object *msm_obj = to_msm_bo(obj); struct msm_drm_private *priv = obj->dev->dev_private; - WARN_ON(!mutex_is_locked(&obj->dev->struct_mutex)); + might_sleep(); if (!atomic_dec_return(&msm_obj->active_count)) { + mutex_lock(&priv->mm_lock); msm_obj->gpu = NULL; list_del_init(&msm_obj->mm_list); list_add_tail(&msm_obj->mm_list, &priv->inactive_list); + mutex_unlock(&priv->mm_lock); } } @@ -921,13 +927,16 @@ static void free_object(struct msm_gem_object *msm_obj) { struct drm_gem_object *obj = &msm_obj->base; struct drm_device *dev = obj->dev; + struct msm_drm_private *priv = dev->dev_private; WARN_ON(!mutex_is_locked(&dev->struct_mutex)); /* object should not be on active list: */ WARN_ON(is_active(msm_obj)); + mutex_lock(&priv->mm_lock); list_del(&msm_obj->mm_list); + mutex_unlock(&priv->mm_lock); mutex_lock(&msm_obj->lock); @@ -1103,14 +1112,9 @@ static struct drm_gem_object *_msm_gem_new(struct drm_device *dev, mapping_set_gfp_mask(obj->filp->f_mapping, GFP_HIGHUSER); } - if (struct_mutex_locked) { - WARN_ON(!mutex_is_locked(&dev->struct_mutex)); - list_add_tail(&msm_obj->mm_list, &priv->inactive_list); - } else { - mutex_lock(&dev->struct_mutex); - list_add_tail(&msm_obj->mm_list, &priv->inactive_list); - mutex_unlock(&dev->struct_mutex); - } + mutex_lock(&priv->mm_lock); + list_add_tail(&msm_obj->mm_list, &priv->inactive_list); + mutex_unlock(&priv->mm_lock); return obj; @@ -1174,9 +1178,9 @@ struct drm_gem_object *msm_gem_import(struct drm_device *dev, mutex_unlock(&msm_obj->lock); - mutex_lock(&dev->struct_mutex); + mutex_lock(&priv->mm_lock); list_add_tail(&msm_obj->mm_list, &priv->inactive_list); - mutex_unlock(&dev->struct_mutex); + mutex_unlock(&priv->mm_lock); return obj; diff --git a/drivers/gpu/drm/msm/msm_gem_shrinker.c b/drivers/gpu/drm/msm/msm_gem_shrinker.c index 482576d7a39a..c41b84a3a484 100644 --- a/drivers/gpu/drm/msm/msm_gem_shrinker.c +++ b/drivers/gpu/drm/msm/msm_gem_shrinker.c @@ -51,11 +51,15 @@ msm_gem_shrinker_count(struct shrinker *shrinker, struct shrink_control *sc) if (!msm_gem_shrinker_lock(dev, &unlock)) return 0; + mutex_lock(&priv->mm_lock); + list_for_each_entry(msm_obj, &priv->inactive_list, mm_list) { if (is_purgeable(msm_obj)) count += msm_obj->base.size >> PAGE_SHIFT; } + mutex_unlock(&priv->mm_lock); + if (unlock) mutex_unlock(&dev->struct_mutex); @@ -75,6 +79,8 @@ msm_gem_shrinker_scan(struct shrinker *shrinker, struct shrink_control *sc) if (!msm_gem_shrinker_lock(dev, &unlock)) return SHRINK_STOP; + mutex_lock(&priv->mm_lock); + list_for_each_entry(msm_obj, &priv->inactive_list, mm_list) { if (freed >= sc->nr_to_scan) break; @@ -84,6 +90,8 @@ msm_gem_shrinker_scan(struct shrinker *shrinker, struct shrink_control *sc) } } + mutex_unlock(&priv->mm_lock); + if (unlock) mutex_unlock(&dev->struct_mutex); @@ -106,6 +114,8 @@ msm_gem_shrinker_vmap(struct notifier_block *nb, unsigned long event, void *ptr) if (!msm_gem_shrinker_lock(dev, &unlock)) return NOTIFY_DONE; + mutex_lock(&priv->mm_lock); + list_for_each_entry(msm_obj, &priv->inactive_list, mm_list) { if (is_vunmapable(msm_obj)) { msm_gem_vunmap(&msm_obj->base, OBJ_LOCK_SHRINKER); @@ -118,6 +128,8 @@ msm_gem_shrinker_vmap(struct notifier_block *nb, unsigned long event, void *ptr) } } + mutex_unlock(&priv->mm_lock); + if (unlock) mutex_unlock(&dev->struct_mutex); diff --git a/drivers/gpu/drm/msm/msm_gpu.h b/drivers/gpu/drm/msm/msm_gpu.h index 6c9e1fdc1a76..1806e87600c0 100644 --- a/drivers/gpu/drm/msm/msm_gpu.h +++ b/drivers/gpu/drm/msm/msm_gpu.h @@ -94,7 +94,10 @@ struct msm_gpu { struct msm_ringbuffer *rb[MSM_GPU_MAX_RINGS]; int nr_rings; - /* list of GEM active objects: */ + /* + * List of GEM active objects on this gpu. Protected by + * msm_drm_private::mm_lock + */ struct list_head active_list; /* does gpu need hw_init? */ From d041301f304cce6dec29baa961f878dec85b63ed Mon Sep 17 00:00:00 2001 From: Rob Clark Date: Tue, 9 Nov 2021 10:11:02 -0800 Subject: [PATCH 129/649] drm/msm: Drop priv->lastctx [ Upstream commit 1d054c9b8457b56a651109fac21f56f46ccd46b2 ] cur_ctx_seqno already does the same thing, but handles the edge cases where a refcnt'd context can live after lastclose. So let's not have two ways to do the same thing. Signed-off-by: Rob Clark Reviewed-by: Akhil P Oommen Link: https://lore.kernel.org/r/20211109181117.591148-3-robdclark@gmail.com Signed-off-by: Rob Clark Stable-dep-of: a30f9f65b5ac ("drm/msm/a5xx: workaround early ring-buffer emptiness check") Signed-off-by: Sasha Levin --- drivers/gpu/drm/msm/adreno/a2xx_gpu.c | 3 +-- drivers/gpu/drm/msm/adreno/a3xx_gpu.c | 3 +-- drivers/gpu/drm/msm/adreno/a4xx_gpu.c | 3 +-- drivers/gpu/drm/msm/adreno/a5xx_gpu.c | 8 +++----- drivers/gpu/drm/msm/adreno/a6xx_gpu.c | 9 +++------ drivers/gpu/drm/msm/adreno/a6xx_gpu.h | 10 ---------- drivers/gpu/drm/msm/msm_drv.c | 6 ------ drivers/gpu/drm/msm/msm_drv.h | 2 +- drivers/gpu/drm/msm/msm_gpu.c | 2 +- drivers/gpu/drm/msm/msm_gpu.h | 11 +++++++++++ 10 files changed, 22 insertions(+), 35 deletions(-) diff --git a/drivers/gpu/drm/msm/adreno/a2xx_gpu.c b/drivers/gpu/drm/msm/adreno/a2xx_gpu.c index 64ee63dcdb7c..caa791eb746f 100644 --- a/drivers/gpu/drm/msm/adreno/a2xx_gpu.c +++ b/drivers/gpu/drm/msm/adreno/a2xx_gpu.c @@ -12,7 +12,6 @@ static bool a2xx_idle(struct msm_gpu *gpu); static void a2xx_submit(struct msm_gpu *gpu, struct msm_gem_submit *submit) { - struct msm_drm_private *priv = gpu->dev->dev_private; struct msm_ringbuffer *ring = submit->ring; unsigned int i; @@ -23,7 +22,7 @@ static void a2xx_submit(struct msm_gpu *gpu, struct msm_gem_submit *submit) break; case MSM_SUBMIT_CMD_CTX_RESTORE_BUF: /* ignore if there has not been a ctx switch: */ - if (priv->lastctx == submit->queue->ctx) + if (gpu->cur_ctx_seqno == submit->queue->ctx->seqno) break; fallthrough; case MSM_SUBMIT_CMD_BUF: diff --git a/drivers/gpu/drm/msm/adreno/a3xx_gpu.c b/drivers/gpu/drm/msm/adreno/a3xx_gpu.c index f29c77d9cd42..7e5d0afa05db 100644 --- a/drivers/gpu/drm/msm/adreno/a3xx_gpu.c +++ b/drivers/gpu/drm/msm/adreno/a3xx_gpu.c @@ -30,7 +30,6 @@ static bool a3xx_idle(struct msm_gpu *gpu); static void a3xx_submit(struct msm_gpu *gpu, struct msm_gem_submit *submit) { - struct msm_drm_private *priv = gpu->dev->dev_private; struct msm_ringbuffer *ring = submit->ring; unsigned int i; @@ -41,7 +40,7 @@ static void a3xx_submit(struct msm_gpu *gpu, struct msm_gem_submit *submit) break; case MSM_SUBMIT_CMD_CTX_RESTORE_BUF: /* ignore if there has not been a ctx switch: */ - if (priv->lastctx == submit->queue->ctx) + if (gpu->cur_ctx_seqno == submit->queue->ctx->seqno) break; fallthrough; case MSM_SUBMIT_CMD_BUF: diff --git a/drivers/gpu/drm/msm/adreno/a4xx_gpu.c b/drivers/gpu/drm/msm/adreno/a4xx_gpu.c index 2b93b33b05e4..f6d22fba9c1b 100644 --- a/drivers/gpu/drm/msm/adreno/a4xx_gpu.c +++ b/drivers/gpu/drm/msm/adreno/a4xx_gpu.c @@ -24,7 +24,6 @@ static bool a4xx_idle(struct msm_gpu *gpu); static void a4xx_submit(struct msm_gpu *gpu, struct msm_gem_submit *submit) { - struct msm_drm_private *priv = gpu->dev->dev_private; struct msm_ringbuffer *ring = submit->ring; unsigned int i; @@ -35,7 +34,7 @@ static void a4xx_submit(struct msm_gpu *gpu, struct msm_gem_submit *submit) break; case MSM_SUBMIT_CMD_CTX_RESTORE_BUF: /* ignore if there has not been a ctx switch: */ - if (priv->lastctx == submit->queue->ctx) + if (gpu->cur_ctx_seqno == submit->queue->ctx->seqno) break; fallthrough; case MSM_SUBMIT_CMD_BUF: diff --git a/drivers/gpu/drm/msm/adreno/a5xx_gpu.c b/drivers/gpu/drm/msm/adreno/a5xx_gpu.c index 00e591ffc191..aa2b2958237f 100644 --- a/drivers/gpu/drm/msm/adreno/a5xx_gpu.c +++ b/drivers/gpu/drm/msm/adreno/a5xx_gpu.c @@ -56,7 +56,6 @@ void a5xx_flush(struct msm_gpu *gpu, struct msm_ringbuffer *ring, static void a5xx_submit_in_rb(struct msm_gpu *gpu, struct msm_gem_submit *submit) { - struct msm_drm_private *priv = gpu->dev->dev_private; struct msm_ringbuffer *ring = submit->ring; struct msm_gem_object *obj; uint32_t *ptr, dwords; @@ -67,7 +66,7 @@ static void a5xx_submit_in_rb(struct msm_gpu *gpu, struct msm_gem_submit *submit case MSM_SUBMIT_CMD_IB_TARGET_BUF: break; case MSM_SUBMIT_CMD_CTX_RESTORE_BUF: - if (priv->lastctx == submit->queue->ctx) + if (gpu->cur_ctx_seqno == submit->queue->ctx->seqno) break; fallthrough; case MSM_SUBMIT_CMD_BUF: @@ -117,12 +116,11 @@ static void a5xx_submit(struct msm_gpu *gpu, struct msm_gem_submit *submit) { struct adreno_gpu *adreno_gpu = to_adreno_gpu(gpu); struct a5xx_gpu *a5xx_gpu = to_a5xx_gpu(adreno_gpu); - struct msm_drm_private *priv = gpu->dev->dev_private; struct msm_ringbuffer *ring = submit->ring; unsigned int i, ibs = 0; if (IS_ENABLED(CONFIG_DRM_MSM_GPU_SUDO) && submit->in_rb) { - priv->lastctx = NULL; + gpu->cur_ctx_seqno = 0; a5xx_submit_in_rb(gpu, submit); return; } @@ -161,7 +159,7 @@ static void a5xx_submit(struct msm_gpu *gpu, struct msm_gem_submit *submit) case MSM_SUBMIT_CMD_IB_TARGET_BUF: break; case MSM_SUBMIT_CMD_CTX_RESTORE_BUF: - if (priv->lastctx == submit->queue->ctx) + if (gpu->cur_ctx_seqno == submit->queue->ctx->seqno) break; fallthrough; case MSM_SUBMIT_CMD_BUF: diff --git a/drivers/gpu/drm/msm/adreno/a6xx_gpu.c b/drivers/gpu/drm/msm/adreno/a6xx_gpu.c index 29b40acedb38..a78f47a788f7 100644 --- a/drivers/gpu/drm/msm/adreno/a6xx_gpu.c +++ b/drivers/gpu/drm/msm/adreno/a6xx_gpu.c @@ -99,7 +99,7 @@ static void a6xx_set_pagetable(struct a6xx_gpu *a6xx_gpu, u32 asid; u64 memptr = rbmemptr(ring, ttbr0); - if (ctx->seqno == a6xx_gpu->cur_ctx_seqno) + if (ctx->seqno == a6xx_gpu->base.base.cur_ctx_seqno) return; if (msm_iommu_pagetable_params(ctx->aspace->mmu, &ttbr, &asid)) @@ -131,14 +131,11 @@ static void a6xx_set_pagetable(struct a6xx_gpu *a6xx_gpu, OUT_PKT7(ring, CP_EVENT_WRITE, 1); OUT_RING(ring, 0x31); - - a6xx_gpu->cur_ctx_seqno = ctx->seqno; } static void a6xx_submit(struct msm_gpu *gpu, struct msm_gem_submit *submit) { unsigned int index = submit->seqno % MSM_GPU_SUBMIT_STATS_COUNT; - struct msm_drm_private *priv = gpu->dev->dev_private; struct adreno_gpu *adreno_gpu = to_adreno_gpu(gpu); struct a6xx_gpu *a6xx_gpu = to_a6xx_gpu(adreno_gpu); struct msm_ringbuffer *ring = submit->ring; @@ -170,7 +167,7 @@ static void a6xx_submit(struct msm_gpu *gpu, struct msm_gem_submit *submit) case MSM_SUBMIT_CMD_IB_TARGET_BUF: break; case MSM_SUBMIT_CMD_CTX_RESTORE_BUF: - if (priv->lastctx == submit->queue->ctx) + if (gpu->cur_ctx_seqno == submit->queue->ctx->seqno) break; fallthrough; case MSM_SUBMIT_CMD_BUF: @@ -887,7 +884,7 @@ static int a6xx_hw_init(struct msm_gpu *gpu) /* Always come up on rb 0 */ a6xx_gpu->cur_ring = gpu->rb[0]; - a6xx_gpu->cur_ctx_seqno = 0; + gpu->cur_ctx_seqno = 0; /* Enable the SQE_to start the CP engine */ gpu_write(gpu, REG_A6XX_CP_SQE_CNTL, 1); diff --git a/drivers/gpu/drm/msm/adreno/a6xx_gpu.h b/drivers/gpu/drm/msm/adreno/a6xx_gpu.h index f923edbd5daa..189daaf77744 100644 --- a/drivers/gpu/drm/msm/adreno/a6xx_gpu.h +++ b/drivers/gpu/drm/msm/adreno/a6xx_gpu.h @@ -20,16 +20,6 @@ struct a6xx_gpu { struct msm_ringbuffer *cur_ring; - /** - * cur_ctx_seqno: - * - * The ctx->seqno value of the context with current pgtables - * installed. Tracked by seqno rather than pointer value to - * avoid dangling pointers, and cases where a ctx can be freed - * and a new one created with the same address. - */ - int cur_ctx_seqno; - struct a6xx_gmu gmu; struct drm_gem_object *shadow_bo; diff --git a/drivers/gpu/drm/msm/msm_drv.c b/drivers/gpu/drm/msm/msm_drv.c index 130c721fcd4e..d7a7113dcafa 100644 --- a/drivers/gpu/drm/msm/msm_drv.c +++ b/drivers/gpu/drm/msm/msm_drv.c @@ -626,14 +626,8 @@ static void context_close(struct msm_file_private *ctx) static void msm_postclose(struct drm_device *dev, struct drm_file *file) { - struct msm_drm_private *priv = dev->dev_private; struct msm_file_private *ctx = file->driver_priv; - mutex_lock(&dev->struct_mutex); - if (ctx == priv->lastctx) - priv->lastctx = NULL; - mutex_unlock(&dev->struct_mutex); - context_close(ctx); } diff --git a/drivers/gpu/drm/msm/msm_drv.h b/drivers/gpu/drm/msm/msm_drv.h index 3a49e8eb338c..52da60bbf6b3 100644 --- a/drivers/gpu/drm/msm/msm_drv.h +++ b/drivers/gpu/drm/msm/msm_drv.h @@ -165,7 +165,7 @@ struct msm_drm_private { /* when we have more than one 'msm_gpu' these need to be an array: */ struct msm_gpu *gpu; - struct msm_file_private *lastctx; + /* gpu is only set on open(), but we need this info earlier */ bool is_a2xx; diff --git a/drivers/gpu/drm/msm/msm_gpu.c b/drivers/gpu/drm/msm/msm_gpu.c index 90c26da10902..c5f3c561ecc6 100644 --- a/drivers/gpu/drm/msm/msm_gpu.c +++ b/drivers/gpu/drm/msm/msm_gpu.c @@ -795,7 +795,7 @@ void msm_gpu_submit(struct msm_gpu *gpu, struct msm_gem_submit *submit) } gpu->funcs->submit(gpu, submit); - priv->lastctx = submit->queue->ctx; + gpu->cur_ctx_seqno = submit->queue->ctx->seqno; hangcheck_timer_reset(gpu); } diff --git a/drivers/gpu/drm/msm/msm_gpu.h b/drivers/gpu/drm/msm/msm_gpu.h index 1806e87600c0..b1feaae50b9e 100644 --- a/drivers/gpu/drm/msm/msm_gpu.h +++ b/drivers/gpu/drm/msm/msm_gpu.h @@ -94,6 +94,17 @@ struct msm_gpu { struct msm_ringbuffer *rb[MSM_GPU_MAX_RINGS]; int nr_rings; + /** + * cur_ctx_seqno: + * + * The ctx->seqno value of the last context to submit rendering, + * and the one with current pgtables installed (for generations + * that support per-context pgtables). Tracked by seqno rather + * than pointer value to avoid dangling pointers, and cases where + * a ctx can be freed and a new one created with the same address. + */ + int cur_ctx_seqno; + /* * List of GEM active objects on this gpu. Protected by * msm_drm_private::mm_lock From e9e482e1e5dae5a200d74bd323d7b641f6240e35 Mon Sep 17 00:00:00 2001 From: Vladimir Lypak Date: Sun, 1 Sep 2024 13:54:03 +0000 Subject: [PATCH 130/649] drm/msm/a5xx: workaround early ring-buffer emptiness check [ Upstream commit a30f9f65b5ac82d4390548c32ed9c7f05de7ddf5 ] There is another cause for soft lock-up of GPU in empty ring-buffer: race between GPU executing last commands and CPU checking ring for emptiness. On GPU side IRQ for retire is triggered by CACHE_FLUSH_TS event and RPTR shadow (which is used to check ring emptiness) is updated a bit later from CP_CONTEXT_SWITCH_YIELD. Thus if GPU is executing its last commands slow enough or we check that ring too fast we will miss a chance to trigger switch to lower priority ring because current ring isn't empty just yet. This can escalate to lock-up situation described in previous patch. To work-around this issue we keep track of last submit sequence number for each ring and compare it with one written to memptrs from GPU during execution of CACHE_FLUSH_TS event. Fixes: b1fc2839d2f9 ("drm/msm: Implement preemption for A5XX targets") Signed-off-by: Vladimir Lypak Patchwork: https://patchwork.freedesktop.org/patch/612047/ Signed-off-by: Rob Clark Signed-off-by: Sasha Levin --- drivers/gpu/drm/msm/adreno/a5xx_gpu.c | 4 ++++ drivers/gpu/drm/msm/adreno/a5xx_gpu.h | 1 + drivers/gpu/drm/msm/adreno/a5xx_preempt.c | 4 ++++ 3 files changed, 9 insertions(+) diff --git a/drivers/gpu/drm/msm/adreno/a5xx_gpu.c b/drivers/gpu/drm/msm/adreno/a5xx_gpu.c index aa2b2958237f..e0cf42323cf9 100644 --- a/drivers/gpu/drm/msm/adreno/a5xx_gpu.c +++ b/drivers/gpu/drm/msm/adreno/a5xx_gpu.c @@ -56,6 +56,8 @@ void a5xx_flush(struct msm_gpu *gpu, struct msm_ringbuffer *ring, static void a5xx_submit_in_rb(struct msm_gpu *gpu, struct msm_gem_submit *submit) { + struct adreno_gpu *adreno_gpu = to_adreno_gpu(gpu); + struct a5xx_gpu *a5xx_gpu = to_a5xx_gpu(adreno_gpu); struct msm_ringbuffer *ring = submit->ring; struct msm_gem_object *obj; uint32_t *ptr, dwords; @@ -100,6 +102,7 @@ static void a5xx_submit_in_rb(struct msm_gpu *gpu, struct msm_gem_submit *submit } } + a5xx_gpu->last_seqno[ring->id] = submit->seqno; a5xx_flush(gpu, ring, true); a5xx_preempt_trigger(gpu); @@ -191,6 +194,7 @@ static void a5xx_submit(struct msm_gpu *gpu, struct msm_gem_submit *submit) /* Write the fence to the scratch register */ OUT_PKT4(ring, REG_A5XX_CP_SCRATCH_REG(2), 1); OUT_RING(ring, submit->seqno); + a5xx_gpu->last_seqno[ring->id] = submit->seqno; /* * Execute a CACHE_FLUSH_TS event. This will ensure that the diff --git a/drivers/gpu/drm/msm/adreno/a5xx_gpu.h b/drivers/gpu/drm/msm/adreno/a5xx_gpu.h index b4d06ca3e499..9c0d701fe4b8 100644 --- a/drivers/gpu/drm/msm/adreno/a5xx_gpu.h +++ b/drivers/gpu/drm/msm/adreno/a5xx_gpu.h @@ -34,6 +34,7 @@ struct a5xx_gpu { struct drm_gem_object *preempt_counters_bo[MSM_GPU_MAX_RINGS]; struct a5xx_preempt_record *preempt[MSM_GPU_MAX_RINGS]; uint64_t preempt_iova[MSM_GPU_MAX_RINGS]; + uint32_t last_seqno[MSM_GPU_MAX_RINGS]; atomic_t preempt_state; spinlock_t preempt_start_lock; diff --git a/drivers/gpu/drm/msm/adreno/a5xx_preempt.c b/drivers/gpu/drm/msm/adreno/a5xx_preempt.c index 096da495e721..8976c30df1a2 100644 --- a/drivers/gpu/drm/msm/adreno/a5xx_preempt.c +++ b/drivers/gpu/drm/msm/adreno/a5xx_preempt.c @@ -55,6 +55,8 @@ static inline void update_wptr(struct msm_gpu *gpu, struct msm_ringbuffer *ring) /* Return the highest priority ringbuffer with something in it */ static struct msm_ringbuffer *get_next_ring(struct msm_gpu *gpu) { + struct adreno_gpu *adreno_gpu = to_adreno_gpu(gpu); + struct a5xx_gpu *a5xx_gpu = to_a5xx_gpu(adreno_gpu); unsigned long flags; int i; @@ -64,6 +66,8 @@ static struct msm_ringbuffer *get_next_ring(struct msm_gpu *gpu) spin_lock_irqsave(&ring->preempt_lock, flags); empty = (get_wptr(ring) == gpu->funcs->get_rptr(gpu, ring)); + if (!empty && ring == a5xx_gpu->cur_ring) + empty = ring->memptrs->fence == a5xx_gpu->last_seqno[i]; spin_unlock_irqrestore(&ring->preempt_lock, flags); if (!empty) From 72fa5f700e76481f42f78bc6fc817f2340c9c72c Mon Sep 17 00:00:00 2001 From: Wolfram Sang Date: Sun, 1 Sep 2024 11:02:11 +0200 Subject: [PATCH 131/649] ipmi: docs: don't advertise deprecated sysfs entries [ Upstream commit 64dce81f8c373c681e62d5ffe0397c45a35d48a2 ] "i2c-adapter" class entries are deprecated since 2009. Switch to the proper location. Reported-by: Heiner Kallweit Closes: https://lore.kernel.org/r/80c4a898-5867-4162-ac85-bdf7c7c68746@gmail.com Fixes: 259307074bfc ("ipmi: Add SMBus interface driver (SSIF)") Signed-off-by: Wolfram Sang Message-Id: <20240901090211.3797-2-wsa+renesas@sang-engineering.com> Signed-off-by: Corey Minyard Signed-off-by: Sasha Levin --- Documentation/driver-api/ipmi.rst | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/Documentation/driver-api/ipmi.rst b/Documentation/driver-api/ipmi.rst index bc281f10ce4b..0bfeeeeb17c8 100644 --- a/Documentation/driver-api/ipmi.rst +++ b/Documentation/driver-api/ipmi.rst @@ -519,7 +519,7 @@ at module load time (for a module) with:: alerts_broken The addresses are normal I2C addresses. The adapter is the string -name of the adapter, as shown in /sys/class/i2c-adapter/i2c-/name. +name of the adapter, as shown in /sys/bus/i2c/devices/i2c-/name. It is *NOT* i2c- itself. Also, the comparison is done ignoring spaces, so if the name is "This is an I2C chip" you can say adapter_name=ThisisanI2cchip. This is because it's hard to pass in From 02657ced604d12918d943d8de4a5095ed2617fd5 Mon Sep 17 00:00:00 2001 From: Sherry Yang Date: Tue, 27 Aug 2024 09:53:37 -0700 Subject: [PATCH 132/649] drm/msm: fix %s null argument error [ Upstream commit 25b85075150fe8adddb096db8a4b950353045ee1 ] The following build error was triggered because of NULL string argument: BUILDSTDERR: drivers/gpu/drm/msm/disp/mdp5/mdp5_smp.c: In function 'mdp5_smp_dump': BUILDSTDERR: drivers/gpu/drm/msm/disp/mdp5/mdp5_smp.c:352:51: error: '%s' directive argument is null [-Werror=format-overflow=] BUILDSTDERR: 352 | drm_printf(p, "%s:%d\t%d\t%s\n", BUILDSTDERR: | ^~ BUILDSTDERR: drivers/gpu/drm/msm/disp/mdp5/mdp5_smp.c:352:51: error: '%s' directive argument is null [-Werror=format-overflow=] This happens from the commit a61ddb4393ad ("drm: enable (most) W=1 warnings by default across the subsystem"). Using "(null)" instead to fix it. Fixes: bc5289eed481 ("drm/msm/mdp5: add debugfs to show smp block status") Signed-off-by: Sherry Yang Reviewed-by: Abhinav Kumar Patchwork: https://patchwork.freedesktop.org/patch/611071/ Link: https://lore.kernel.org/r/20240827165337.1075904-1-sherry.yang@oracle.com Signed-off-by: Dmitry Baryshkov Signed-off-by: Sasha Levin --- drivers/gpu/drm/msm/disp/mdp5/mdp5_smp.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/gpu/drm/msm/disp/mdp5/mdp5_smp.c b/drivers/gpu/drm/msm/disp/mdp5/mdp5_smp.c index d7fa2c49e741..45820ac1a525 100644 --- a/drivers/gpu/drm/msm/disp/mdp5/mdp5_smp.c +++ b/drivers/gpu/drm/msm/disp/mdp5/mdp5_smp.c @@ -356,7 +356,7 @@ void mdp5_smp_dump(struct mdp5_smp *smp, struct drm_printer *p) drm_printf(p, "%s:%d\t%d\t%s\n", pipe2name(pipe), j, inuse, - plane ? plane->name : NULL); + plane ? plane->name : "(null)"); total += inuse; } From 86da3c79b8893af198e1f82e435e6caa1649c0e7 Mon Sep 17 00:00:00 2001 From: Yuesong Li Date: Thu, 22 Aug 2024 17:09:27 +0800 Subject: [PATCH 133/649] drivers:drm:exynos_drm_gsc:Fix wrong assignment in gsc_bind() [ Upstream commit 94ebc3d3235c5c516f67315059ce657e5090e94b ] cocci reported a double assignment problem. Upon reviewing previous commits, it appears this may actually be an incorrect assignment. Fixes: 8b9550344d39 ("drm/ipp: clean up debug messages") Signed-off-by: Yuesong Li Signed-off-by: Inki Dae Signed-off-by: Sasha Levin --- drivers/gpu/drm/exynos/exynos_drm_gsc.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/gpu/drm/exynos/exynos_drm_gsc.c b/drivers/gpu/drm/exynos/exynos_drm_gsc.c index bcf830c5b8ea..1bc2afcf9f08 100644 --- a/drivers/gpu/drm/exynos/exynos_drm_gsc.c +++ b/drivers/gpu/drm/exynos/exynos_drm_gsc.c @@ -1169,7 +1169,7 @@ static int gsc_bind(struct device *dev, struct device *master, void *data) struct exynos_drm_ipp *ipp = &ctx->ipp; ctx->drm_dev = drm_dev; - ctx->drm_dev = drm_dev; + ipp->drm_dev = drm_dev; exynos_drm_register_dma(drm_dev, dev, &ctx->dma_priv); exynos_drm_ipp_register(dev, ipp, &ipp_funcs, From cb9134aa0998304a8521eafebe5ee486038698b3 Mon Sep 17 00:00:00 2001 From: Juergen Gross Date: Sat, 3 Aug 2024 08:01:22 +0200 Subject: [PATCH 134/649] xen: use correct end address of kernel for conflict checking MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit [ Upstream commit fac1bceeeb04886fc2ee952672e6e6c85ce41dca ] When running as a Xen PV dom0 the kernel is loaded by the hypervisor using a different memory map than that of the host. In order to minimize the required changes in the kernel, the kernel adapts its memory map to that of the host. In order to do that it is checking for conflicts of its load address with the host memory map. Unfortunately the tested memory range does not include the .brk area, which might result in crashes or memory corruption when this area does conflict with the memory map of the host. Fix the test by using the _end label instead of __bss_stop. Fixes: 808fdb71936c ("xen: check for kernel memory conflicting with memory layout") Signed-off-by: Juergen Gross Tested-by: Marek Marczykowski-Górecki Reviewed-by: Jan Beulich Signed-off-by: Juergen Gross Signed-off-by: Sasha Levin --- arch/x86/xen/setup.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/arch/x86/xen/setup.c b/arch/x86/xen/setup.c index 1f80dd3a2dd4..629c94d1ab24 100644 --- a/arch/x86/xen/setup.c +++ b/arch/x86/xen/setup.c @@ -856,7 +856,7 @@ char * __init xen_memory_setup(void) * to relocating (and even reusing) pages with kernel text or data. */ if (xen_is_e820_reserved(__pa_symbol(_text), - __pa_symbol(__bss_stop) - __pa_symbol(_text))) { + __pa_symbol(_end) - __pa_symbol(_text))) { xen_raw_console_write("Xen hypervisor allocated kernel memory conflicts with E820 map\n"); BUG(); } From a0a8b7bebe1b1f9017b09e1e045f16725e871f9c Mon Sep 17 00:00:00 2001 From: Juergen Gross Date: Fri, 13 Sep 2024 12:05:02 +0200 Subject: [PATCH 135/649] xen/swiotlb: add alignment check for dma buffers [ Upstream commit 9f40ec84a7976d95c34e7cc070939deb103652b0 ] When checking a memory buffer to be consecutive in machine memory, the alignment needs to be checked, too. Failing to do so might result in DMA memory not being aligned according to its requested size, leading to error messages like: 4xxx 0000:2b:00.0: enabling device (0140 -> 0142) 4xxx 0000:2b:00.0: Ring address not aligned 4xxx 0000:2b:00.0: Failed to initialise service qat_crypto 4xxx 0000:2b:00.0: Resetting device qat_dev0 4xxx: probe of 0000:2b:00.0 failed with error -14 Fixes: 9435cce87950 ("xen/swiotlb: Add support for 64KB page granularity") Signed-off-by: Juergen Gross Reviewed-by: Stefano Stabellini Signed-off-by: Juergen Gross Signed-off-by: Sasha Levin --- drivers/xen/swiotlb-xen.c | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/drivers/xen/swiotlb-xen.c b/drivers/xen/swiotlb-xen.c index ad3ee4857e15..000d02ea4f7d 100644 --- a/drivers/xen/swiotlb-xen.c +++ b/drivers/xen/swiotlb-xen.c @@ -91,9 +91,15 @@ static inline int range_straddles_page_boundary(phys_addr_t p, size_t size) { unsigned long next_bfn, xen_pfn = XEN_PFN_DOWN(p); unsigned int i, nr_pages = XEN_PFN_UP(xen_offset_in_page(p) + size); + phys_addr_t algn = 1ULL << (get_order(size) + PAGE_SHIFT); next_bfn = pfn_to_bfn(xen_pfn); + /* If buffer is physically aligned, ensure DMA alignment. */ + if (IS_ALIGNED(p, algn) && + !IS_ALIGNED((phys_addr_t)next_bfn << XEN_PAGE_SHIFT, algn)) + return 1; + for (i = 1; i < nr_pages; i++) if (pfn_to_bfn(++xen_pfn) != ++next_bfn) return 1; From 2c9b228938e9266a1065a3f4fe5c99b7235dc439 Mon Sep 17 00:00:00 2001 From: Jonathan McDowell Date: Fri, 16 Aug 2024 12:55:46 +0100 Subject: [PATCH 136/649] tpm: Clean up TPM space after command failure [ Upstream commit e3aaebcbb7c6b403416f442d1de70d437ce313a7 ] tpm_dev_transmit prepares the TPM space before attempting command transmission. However if the command fails no rollback of this preparation is done. This can result in transient handles being leaked if the device is subsequently closed with no further commands performed. Fix this by flushing the space in the event of command transmission failure. Fixes: 745b361e989a ("tpm: infrastructure for TPM spaces") Signed-off-by: Jonathan McDowell Reviewed-by: Jarkko Sakkinen Signed-off-by: Jarkko Sakkinen Signed-off-by: Sasha Levin --- drivers/char/tpm/tpm-dev-common.c | 2 ++ drivers/char/tpm/tpm2-space.c | 3 +++ 2 files changed, 5 insertions(+) diff --git a/drivers/char/tpm/tpm-dev-common.c b/drivers/char/tpm/tpm-dev-common.c index b99e1941c52c..fde81ecbd6a3 100644 --- a/drivers/char/tpm/tpm-dev-common.c +++ b/drivers/char/tpm/tpm-dev-common.c @@ -48,6 +48,8 @@ static ssize_t tpm_dev_transmit(struct tpm_chip *chip, struct tpm_space *space, if (!ret) ret = tpm2_commit_space(chip, space, buf, &len); + else + tpm2_flush_space(chip); out_rc: return ret ? ret : len; diff --git a/drivers/char/tpm/tpm2-space.c b/drivers/char/tpm/tpm2-space.c index ffb35f0154c1..c57404c6b98c 100644 --- a/drivers/char/tpm/tpm2-space.c +++ b/drivers/char/tpm/tpm2-space.c @@ -166,6 +166,9 @@ void tpm2_flush_space(struct tpm_chip *chip) struct tpm_space *space = &chip->work_space; int i; + if (!space) + return; + for (i = 0; i < ARRAY_SIZE(space->context_tbl); i++) if (space->context_tbl[i] && ~space->context_tbl[i]) tpm2_flush_context(chip, space->context_tbl[i]); From 04eb60af431da4d43d80cafe8abe2b1db2fd2865 Mon Sep 17 00:00:00 2001 From: Tony Ambardar Date: Mon, 22 Jul 2024 22:54:29 -0700 Subject: [PATCH 137/649] selftests/bpf: Fix compile error from rlim_t in sk_storage_map.c [ Upstream commit d393f9479d4aaab0fa4c3caf513f28685e831f13 ] Cast 'rlim_t' argument to match expected type of printf() format and avoid compile errors seen building for mips64el/musl-libc: In file included from map_tests/sk_storage_map.c:20: map_tests/sk_storage_map.c: In function 'test_sk_storage_map_stress_free': map_tests/sk_storage_map.c:414:56: error: format '%lu' expects argument of type 'long unsigned int', but argument 2 has type 'rlim_t' {aka 'long long unsigned int'} [-Werror=format=] 414 | CHECK(err, "setrlimit(RLIMIT_NOFILE)", "rlim_new:%lu errno:%d", | ^~~~~~~~~~~~~~~~~~~~~~~ 415 | rlim_new.rlim_cur, errno); | ~~~~~~~~~~~~~~~~~ | | | rlim_t {aka long long unsigned int} ./test_maps.h:12:24: note: in definition of macro 'CHECK' 12 | printf(format); \ | ^~~~~~ map_tests/sk_storage_map.c:414:68: note: format string is defined here 414 | CHECK(err, "setrlimit(RLIMIT_NOFILE)", "rlim_new:%lu errno:%d", | ~~^ | | | long unsigned int | %llu cc1: all warnings being treated as errors Fixes: 51a0e301a563 ("bpf: Add BPF_MAP_TYPE_SK_STORAGE test to test_maps") Signed-off-by: Tony Ambardar Signed-off-by: Andrii Nakryiko Link: https://lore.kernel.org/bpf/1e00a1fa7acf91b4ca135c4102dc796d518bad86.1721713597.git.tony.ambardar@gmail.com Signed-off-by: Sasha Levin --- tools/testing/selftests/bpf/map_tests/sk_storage_map.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/tools/testing/selftests/bpf/map_tests/sk_storage_map.c b/tools/testing/selftests/bpf/map_tests/sk_storage_map.c index e569edc679d8..9228e33cc0db 100644 --- a/tools/testing/selftests/bpf/map_tests/sk_storage_map.c +++ b/tools/testing/selftests/bpf/map_tests/sk_storage_map.c @@ -416,7 +416,7 @@ static void test_sk_storage_map_stress_free(void) rlim_new.rlim_max = rlim_new.rlim_cur + 128; err = setrlimit(RLIMIT_NOFILE, &rlim_new); CHECK(err, "setrlimit(RLIMIT_NOFILE)", "rlim_new:%lu errno:%d", - rlim_new.rlim_cur, errno); + (unsigned long) rlim_new.rlim_cur, errno); } err = do_sk_storage_map_stress_free(); From cc52d5282a141e93d6562c998cffd1999acd18b3 Mon Sep 17 00:00:00 2001 From: Tony Ambardar Date: Mon, 22 Jul 2024 22:54:34 -0700 Subject: [PATCH 138/649] selftests/bpf: Fix missing ARRAY_SIZE() definition in bench.c [ Upstream commit d44c93fc2f5a0c47b23fa03d374e45259abd92d2 ] Add a "bpf_util.h" include to avoid the following error seen compiling for mips64el with musl libc: bench.c: In function 'find_benchmark': bench.c:590:25: error: implicit declaration of function 'ARRAY_SIZE' [-Werror=implicit-function-declaration] 590 | for (i = 0; i < ARRAY_SIZE(benchs); i++) { | ^~~~~~~~~~ cc1: all warnings being treated as errors Fixes: 8e7c2a023ac0 ("selftests/bpf: Add benchmark runner infrastructure") Signed-off-by: Tony Ambardar Signed-off-by: Andrii Nakryiko Link: https://lore.kernel.org/bpf/bc4dde77dfcd17a825d8f28f72f3292341966810.1721713597.git.tony.ambardar@gmail.com Signed-off-by: Sasha Levin --- tools/testing/selftests/bpf/bench.c | 1 + 1 file changed, 1 insertion(+) diff --git a/tools/testing/selftests/bpf/bench.c b/tools/testing/selftests/bpf/bench.c index 332ed2f7b402..0a257dd3e027 100644 --- a/tools/testing/selftests/bpf/bench.c +++ b/tools/testing/selftests/bpf/bench.c @@ -11,6 +11,7 @@ #include #include #include "bench.h" +#include "bpf_util.h" #include "testing_helpers.h" struct env env = { From 306efef84bbf4502d2e24b7954ffdcffe23e985a Mon Sep 17 00:00:00 2001 From: Tony Ambardar Date: Mon, 22 Jul 2024 22:54:39 -0700 Subject: [PATCH 139/649] selftests/bpf: Fix compiling kfree_skb.c with musl-libc [ Upstream commit bae9a5ce7d3a9b3a9e07b31ab9e9c58450e3e9fd ] The GNU version of 'struct tcphdr' with member 'doff' is not exposed by musl headers unless _GNU_SOURCE is defined. Add this definition to fix errors seen compiling for mips64el/musl-libc: In file included from kfree_skb.c:2: kfree_skb.c: In function 'on_sample': kfree_skb.c:45:30: error: 'struct tcphdr' has no member named 'doff' 45 | if (CHECK(pkt_v6->tcp.doff != 5, "check_tcp", | ^ Fixes: 580d656d80cf ("selftests/bpf: Add kfree_skb raw_tp test") Signed-off-by: Tony Ambardar Signed-off-by: Andrii Nakryiko Link: https://lore.kernel.org/bpf/e2d8cedc790959c10d6822a51f01a7a3616bea1b.1721713597.git.tony.ambardar@gmail.com Signed-off-by: Sasha Levin --- tools/testing/selftests/bpf/prog_tests/kfree_skb.c | 1 + 1 file changed, 1 insertion(+) diff --git a/tools/testing/selftests/bpf/prog_tests/kfree_skb.c b/tools/testing/selftests/bpf/prog_tests/kfree_skb.c index 42c3a3103c26..a37b1d663f96 100644 --- a/tools/testing/selftests/bpf/prog_tests/kfree_skb.c +++ b/tools/testing/selftests/bpf/prog_tests/kfree_skb.c @@ -1,4 +1,5 @@ // SPDX-License-Identifier: GPL-2.0 +#define _GNU_SOURCE #include #include From 5ad69f5a045838fc35611871464c8a38aa29c310 Mon Sep 17 00:00:00 2001 From: Tony Ambardar Date: Mon, 22 Jul 2024 22:54:40 -0700 Subject: [PATCH 140/649] selftests/bpf: Fix compiling flow_dissector.c with musl-libc [ Upstream commit 5e4c43bcb85973243d7274e0058b6e8f5810e4f7 ] The GNU version of 'struct tcphdr' has members 'doff', 'source' and 'dest', which are not exposed by musl libc headers unless _GNU_SOURCE is defined. Add this definition to fix errors seen compiling for mips64el/musl-libc: flow_dissector.c:118:30: error: 'struct tcphdr' has no member named 'doff' 118 | .tcp.doff = 5, | ^~~~ flow_dissector.c:119:30: error: 'struct tcphdr' has no member named 'source' 119 | .tcp.source = 80, | ^~~~~~ flow_dissector.c:120:30: error: 'struct tcphdr' has no member named 'dest' 120 | .tcp.dest = 8080, | ^~~~ Fixes: ae173a915785 ("selftests/bpf: support BPF_FLOW_DISSECTOR_F_PARSE_1ST_FRAG") Signed-off-by: Tony Ambardar Signed-off-by: Andrii Nakryiko Link: https://lore.kernel.org/bpf/8f7ab21a73f678f9cebd32b26c444a686e57414d.1721713597.git.tony.ambardar@gmail.com Signed-off-by: Sasha Levin --- tools/testing/selftests/bpf/prog_tests/flow_dissector.c | 1 + 1 file changed, 1 insertion(+) diff --git a/tools/testing/selftests/bpf/prog_tests/flow_dissector.c b/tools/testing/selftests/bpf/prog_tests/flow_dissector.c index cd6dc80edf18..5518bbf370bf 100644 --- a/tools/testing/selftests/bpf/prog_tests/flow_dissector.c +++ b/tools/testing/selftests/bpf/prog_tests/flow_dissector.c @@ -1,4 +1,5 @@ // SPDX-License-Identifier: GPL-2.0 +#define _GNU_SOURCE #include #include #include From 3467a94126102b26332572569955d307a326341e Mon Sep 17 00:00:00 2001 From: Tony Ambardar Date: Mon, 22 Jul 2024 22:54:41 -0700 Subject: [PATCH 141/649] selftests/bpf: Fix compiling tcp_rtt.c with musl-libc [ Upstream commit 18826fb0b79c3c3cd1fe765d85f9c6f1a902c722 ] The GNU version of 'struct tcp_info' in 'netinet/tcp.h' is not exposed by musl headers unless _GNU_SOURCE is defined. Add this definition to fix errors seen compiling for mips64el/musl-libc: tcp_rtt.c: In function 'wait_for_ack': tcp_rtt.c:24:25: error: storage size of 'info' isn't known 24 | struct tcp_info info; | ^~~~ tcp_rtt.c:24:25: error: unused variable 'info' [-Werror=unused-variable] cc1: all warnings being treated as errors Fixes: 1f4f80fed217 ("selftests/bpf: test_progs: convert test_tcp_rtt") Signed-off-by: Tony Ambardar Signed-off-by: Andrii Nakryiko Link: https://lore.kernel.org/bpf/f2329767b15df206f08a5776d35a47c37da855ae.1721713597.git.tony.ambardar@gmail.com Signed-off-by: Sasha Levin --- tools/testing/selftests/bpf/prog_tests/tcp_rtt.c | 1 + 1 file changed, 1 insertion(+) diff --git a/tools/testing/selftests/bpf/prog_tests/tcp_rtt.c b/tools/testing/selftests/bpf/prog_tests/tcp_rtt.c index d207e968e6b1..dee68ef976ae 100644 --- a/tools/testing/selftests/bpf/prog_tests/tcp_rtt.c +++ b/tools/testing/selftests/bpf/prog_tests/tcp_rtt.c @@ -1,4 +1,5 @@ // SPDX-License-Identifier: GPL-2.0 +#define _GNU_SOURCE #include #include "cgroup_helpers.h" #include "network_helpers.h" From c2db6acd8cc36204e02fefb6d051c38c3528d437 Mon Sep 17 00:00:00 2001 From: Tony Ambardar Date: Mon, 22 Jul 2024 22:54:46 -0700 Subject: [PATCH 142/649] selftests/bpf: Fix errors compiling cg_storage_multi.h with musl libc [ Upstream commit 730561d3c08d4a327cceaabf11365958a1c00cec ] Remove a redundant include of '', whose needed definitions are already included (via '') in cg_storage_multi_egress_only.c, cg_storage_multi_isolated.c, and cg_storage_multi_shared.c. This avoids redefinition errors seen compiling for mips64el/musl-libc like: In file included from progs/cg_storage_multi_egress_only.c:13: In file included from progs/cg_storage_multi.h:6: In file included from /usr/mips64el-linux-gnuabi64/include/asm/types.h:23: /usr/include/asm-generic/int-l64.h:29:25: error: typedef redefinition with different types ('long' vs 'long long') 29 | typedef __signed__ long __s64; | ^ /usr/include/asm-generic/int-ll64.h:30:44: note: previous definition is here 30 | __extension__ typedef __signed__ long long __s64; | ^ Fixes: 9e5bd1f7633b ("selftests/bpf: Test CGROUP_STORAGE map can't be used by multiple progs") Signed-off-by: Tony Ambardar Signed-off-by: Andrii Nakryiko Link: https://lore.kernel.org/bpf/4f4702e9f6115b7f84fea01b2326ca24c6df7ba8.1721713597.git.tony.ambardar@gmail.com Signed-off-by: Sasha Levin --- tools/testing/selftests/bpf/progs/cg_storage_multi.h | 2 -- 1 file changed, 2 deletions(-) diff --git a/tools/testing/selftests/bpf/progs/cg_storage_multi.h b/tools/testing/selftests/bpf/progs/cg_storage_multi.h index a0778fe7857a..41d59f0ee606 100644 --- a/tools/testing/selftests/bpf/progs/cg_storage_multi.h +++ b/tools/testing/selftests/bpf/progs/cg_storage_multi.h @@ -3,8 +3,6 @@ #ifndef __PROGS_CG_STORAGE_MULTI_H #define __PROGS_CG_STORAGE_MULTI_H -#include - struct cgroup_value { __u32 egress_pkts; __u32 ingress_pkts; From 9374068b36904ede1656dac27e6d44e97ab32452 Mon Sep 17 00:00:00 2001 From: Tony Ambardar Date: Mon, 29 Jul 2024 02:24:19 -0700 Subject: [PATCH 143/649] selftests/bpf: Fix error compiling test_lru_map.c [ Upstream commit cacf2a5a78cd1f5f616eae043ebc6f024104b721 ] Although the post-increment in macro 'CPU_SET(next++, &cpuset)' seems safe, the sequencing can raise compile errors, so move the increment outside the macro. This avoids an error seen using gcc 12.3.0 for mips64el/musl-libc: In file included from test_lru_map.c:11: test_lru_map.c: In function 'sched_next_online': test_lru_map.c:129:29: error: operation on 'next' may be undefined [-Werror=sequence-point] 129 | CPU_SET(next++, &cpuset); | ^ cc1: all warnings being treated as errors Fixes: 3fbfadce6012 ("bpf: Fix test_lru_sanity5() in test_lru_map.c") Signed-off-by: Tony Ambardar Signed-off-by: Andrii Nakryiko Link: https://lore.kernel.org/bpf/22993dfb11ccf27925a626b32672fd3324cb76c4.1722244708.git.tony.ambardar@gmail.com Signed-off-by: Sasha Levin --- tools/testing/selftests/bpf/test_lru_map.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/tools/testing/selftests/bpf/test_lru_map.c b/tools/testing/selftests/bpf/test_lru_map.c index 6a5349f9eb14..7748d28e8b97 100644 --- a/tools/testing/selftests/bpf/test_lru_map.c +++ b/tools/testing/selftests/bpf/test_lru_map.c @@ -137,7 +137,8 @@ static int sched_next_online(int pid, int *next_to_try) while (next < nr_cpus) { CPU_ZERO(&cpuset); - CPU_SET(next++, &cpuset); + CPU_SET(next, &cpuset); + next++; if (!sched_setaffinity(pid, sizeof(cpuset), &cpuset)) { ret = 0; break; From 4e1c8c12cac1f2024812677e9c873c7d254a6844 Mon Sep 17 00:00:00 2001 From: Tony Ambardar Date: Mon, 29 Jul 2024 02:24:20 -0700 Subject: [PATCH 144/649] selftests/bpf: Fix C++ compile error from missing _Bool type [ Upstream commit aa95073fd290b5b3e45f067fa22bb25e59e1ff7c ] While building, bpftool makes a skeleton from test_core_extern.c, which itself includes and uses the 'bool' type. However, the skeleton test_core_extern.skel.h generated *does not* include or use the 'bool' type, instead using the C-only '_Bool' type. Compiling test_cpp.cpp with g++ 12.3 for mips64el/musl-libc then fails with error: In file included from test_cpp.cpp:9: test_core_extern.skel.h:45:17: error: '_Bool' does not name a type 45 | _Bool CONFIG_BOOL; | ^~~~~ This was likely missed previously because glibc uses a GNU extension for with C++ (#define _Bool bool), not supported by musl libc. Normally, a C fragment would include and use the 'bool' type, and thus cleanly work after import by C++. The ideal fix would be for 'bpftool gen skeleton' to output the correct type/include supporting C++, but in the meantime add a conditional define as above. Fixes: 7c8dce4b1661 ("bpftool: Make skeleton C code compilable with C++ compiler") Signed-off-by: Tony Ambardar Signed-off-by: Andrii Nakryiko Link: https://lore.kernel.org/bpf/6fc1dd28b8bda49e51e4f610bdc9d22f4455632d.1722244708.git.tony.ambardar@gmail.com Signed-off-by: Sasha Levin --- tools/testing/selftests/bpf/test_cpp.cpp | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/tools/testing/selftests/bpf/test_cpp.cpp b/tools/testing/selftests/bpf/test_cpp.cpp index a8d2e9a87fbf..6edcb541cc90 100644 --- a/tools/testing/selftests/bpf/test_cpp.cpp +++ b/tools/testing/selftests/bpf/test_cpp.cpp @@ -3,6 +3,10 @@ #include #include #include + +#ifndef _Bool +#define _Bool bool +#endif #include "test_core_extern.skel.h" /* do nothing, just make sure we can link successfully */ From dd417529c0639f25603e6c8fd434b83ec187d9ca Mon Sep 17 00:00:00 2001 From: Lasse Collin Date: Sun, 21 Jul 2024 16:36:24 +0300 Subject: [PATCH 145/649] xz: cleanup CRC32 edits from 2018 [ Upstream commit 2ee96abef214550d9e92f5143ee3ac1fd1323e67 ] In 2018, a dependency on was added to avoid duplicating the same constant in multiple files. Two months later it was found to be a bad idea and the definition of CRC32_POLY_LE macro was moved into xz_private.h to avoid including . xz_private.h is a wrong place for it too. Revert back to the upstream version which has the poly in xz_crc32_init() in xz_crc32.c. Link: https://lkml.kernel.org/r/20240721133633.47721-10-lasse.collin@tukaani.org Fixes: faa16bc404d7 ("lib: Use existing define with polynomial") Fixes: 242cdad873a7 ("lib/xz: Put CRC32_POLY_LE in xz_private.h") Signed-off-by: Lasse Collin Reviewed-by: Sam James Tested-by: Michael Ellerman (powerpc) Cc: Krzysztof Kozlowski Cc: Herbert Xu Cc: Joel Stanley Cc: Albert Ou Cc: Catalin Marinas Cc: Emil Renner Berthing Cc: Greg Kroah-Hartman Cc: Jonathan Corbet Cc: Jubin Zhong Cc: Jules Maselbas Cc: Palmer Dabbelt Cc: Paul Walmsley Cc: Randy Dunlap Cc: Rui Li Cc: Simon Glass Cc: Thomas Gleixner Cc: Will Deacon Signed-off-by: Andrew Morton Signed-off-by: Sasha Levin --- lib/xz/xz_crc32.c | 2 +- lib/xz/xz_private.h | 4 ---- 2 files changed, 1 insertion(+), 5 deletions(-) diff --git a/lib/xz/xz_crc32.c b/lib/xz/xz_crc32.c index 88a2c35e1b59..5627b00fca29 100644 --- a/lib/xz/xz_crc32.c +++ b/lib/xz/xz_crc32.c @@ -29,7 +29,7 @@ STATIC_RW_DATA uint32_t xz_crc32_table[256]; XZ_EXTERN void xz_crc32_init(void) { - const uint32_t poly = CRC32_POLY_LE; + const uint32_t poly = 0xEDB88320; uint32_t i; uint32_t j; diff --git a/lib/xz/xz_private.h b/lib/xz/xz_private.h index 09360ebb510e..482b90f363fe 100644 --- a/lib/xz/xz_private.h +++ b/lib/xz/xz_private.h @@ -102,10 +102,6 @@ # endif #endif -#ifndef CRC32_POLY_LE -#define CRC32_POLY_LE 0xedb88320 -#endif - /* * Allocate memory for LZMA2 decoder. xz_dec_lzma2_reset() must be used * before calling xz_dec_lzma2_run(). From 28fbbd0ce7ab083fb7a044bf657c486ec88a83b3 Mon Sep 17 00:00:00 2001 From: Rob Clark Date: Mon, 14 Dec 2020 19:03:14 -0800 Subject: [PATCH 146/649] kthread: add kthread_work tracepoints [ Upstream commit f630c7c6f10546ebff15c3a856e7949feb7a2372 ] While migrating some code from wq to kthread_worker, I found that I missed the execute_start/end tracepoints. So add similar tracepoints for kthread_work. And for completeness, queue_work tracepoint (although this one differs slightly from the matching workqueue tracepoint). Link: https://lkml.kernel.org/r/20201010180323.126634-1-robdclark@gmail.com Signed-off-by: Rob Clark Cc: Rob Clark Cc: Steven Rostedt Cc: Ingo Molnar Cc: "Peter Zijlstra (Intel)" Cc: Phil Auld Cc: Valentin Schneider Cc: Thara Gopinath Cc: Randy Dunlap Cc: Vincent Donnefort Cc: Mel Gorman Cc: Jens Axboe Cc: Marcelo Tosatti Cc: Frederic Weisbecker Cc: Ilias Stamatis Cc: Liang Chen Cc: Ben Dooks Cc: Peter Zijlstra Cc: "J. Bruce Fields" Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds Stable-dep-of: e16c7b07784f ("kthread: fix task state in kthread worker if being frozen") Signed-off-by: Sasha Levin --- include/trace/events/sched.h | 84 ++++++++++++++++++++++++++++++++++++ kernel/kthread.c | 9 ++++ 2 files changed, 93 insertions(+) diff --git a/include/trace/events/sched.h b/include/trace/events/sched.h index c96a4337afe6..5039af667645 100644 --- a/include/trace/events/sched.h +++ b/include/trace/events/sched.h @@ -5,6 +5,7 @@ #if !defined(_TRACE_SCHED_H) || defined(TRACE_HEADER_MULTI_READ) #define _TRACE_SCHED_H +#include #include #include #include @@ -51,6 +52,89 @@ TRACE_EVENT(sched_kthread_stop_ret, TP_printk("ret=%d", __entry->ret) ); +/** + * sched_kthread_work_queue_work - called when a work gets queued + * @worker: pointer to the kthread_worker + * @work: pointer to struct kthread_work + * + * This event occurs when a work is queued immediately or once a + * delayed work is actually queued (ie: once the delay has been + * reached). + */ +TRACE_EVENT(sched_kthread_work_queue_work, + + TP_PROTO(struct kthread_worker *worker, + struct kthread_work *work), + + TP_ARGS(worker, work), + + TP_STRUCT__entry( + __field( void *, work ) + __field( void *, function) + __field( void *, worker) + ), + + TP_fast_assign( + __entry->work = work; + __entry->function = work->func; + __entry->worker = worker; + ), + + TP_printk("work struct=%p function=%ps worker=%p", + __entry->work, __entry->function, __entry->worker) +); + +/** + * sched_kthread_work_execute_start - called immediately before the work callback + * @work: pointer to struct kthread_work + * + * Allows to track kthread work execution. + */ +TRACE_EVENT(sched_kthread_work_execute_start, + + TP_PROTO(struct kthread_work *work), + + TP_ARGS(work), + + TP_STRUCT__entry( + __field( void *, work ) + __field( void *, function) + ), + + TP_fast_assign( + __entry->work = work; + __entry->function = work->func; + ), + + TP_printk("work struct %p: function %ps", __entry->work, __entry->function) +); + +/** + * sched_kthread_work_execute_end - called immediately after the work callback + * @work: pointer to struct work_struct + * @function: pointer to worker function + * + * Allows to track workqueue execution. + */ +TRACE_EVENT(sched_kthread_work_execute_end, + + TP_PROTO(struct kthread_work *work, kthread_work_func_t function), + + TP_ARGS(work, function), + + TP_STRUCT__entry( + __field( void *, work ) + __field( void *, function) + ), + + TP_fast_assign( + __entry->work = work; + __entry->function = function; + ), + + TP_printk("work struct %p: function %ps", __entry->work, __entry->function) +); + /* * Tracepoint for waking up a task: */ diff --git a/kernel/kthread.c b/kernel/kthread.c index 9d6cc9c15a55..d0cb3e413eff 100644 --- a/kernel/kthread.c +++ b/kernel/kthread.c @@ -765,8 +765,15 @@ int kthread_worker_fn(void *worker_ptr) raw_spin_unlock_irq(&worker->lock); if (work) { + kthread_work_func_t func = work->func; __set_current_state(TASK_RUNNING); + trace_sched_kthread_work_execute_start(work); work->func(work); + /* + * Avoid dereferencing work after this point. The trace + * event only cares about the address. + */ + trace_sched_kthread_work_execute_end(work, func); } else if (!freezing(current)) schedule(); @@ -895,6 +902,8 @@ static void kthread_insert_work(struct kthread_worker *worker, { kthread_insert_work_sanity_check(worker, work); + trace_sched_kthread_work_queue_work(worker, work); + list_add_tail(&work->node, pos); work->worker = worker; if (!worker->current_work && likely(worker->task)) From 3a1a31a38fccff551672a8d417b4721042199ddf Mon Sep 17 00:00:00 2001 From: Chen Yu Date: Tue, 27 Aug 2024 19:23:08 +0800 Subject: [PATCH 147/649] kthread: fix task state in kthread worker if being frozen MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit [ Upstream commit e16c7b07784f3fb03025939c4590b9a7c64970a7 ] When analyzing a kernel waring message, Peter pointed out that there is a race condition when the kworker is being frozen and falls into try_to_freeze() with TASK_INTERRUPTIBLE, which could trigger a might_sleep() warning in try_to_freeze(). Although the root cause is not related to freeze()[1], it is still worthy to fix this issue ahead. One possible race scenario: CPU 0 CPU 1 ----- ----- // kthread_worker_fn set_current_state(TASK_INTERRUPTIBLE); suspend_freeze_processes() freeze_processes static_branch_inc(&freezer_active); freeze_kernel_threads pm_nosig_freezing = true; if (work) { //false __set_current_state(TASK_RUNNING); } else if (!freezing(current)) //false, been frozen freezing(): if (static_branch_unlikely(&freezer_active)) if (pm_nosig_freezing) return true; schedule() } // state is still TASK_INTERRUPTIBLE try_to_freeze() might_sleep() <--- warning Fix this by explicitly set the TASK_RUNNING before entering try_to_freeze(). Link: https://lore.kernel.org/lkml/Zs2ZoAcUsZMX2B%2FI@chenyu5-mobl2/ [1] Link: https://lkml.kernel.org/r/20240827112308.181081-1-yu.c.chen@intel.com Fixes: b56c0d8937e6 ("kthread: implement kthread_worker") Signed-off-by: Chen Yu Suggested-by: Peter Zijlstra Suggested-by: Andrew Morton Cc: Andreas Gruenbacher Cc: David Gow Cc: Mateusz Guzik Cc: Mickaël Salaün Cc: Tejun Heo Signed-off-by: Andrew Morton Signed-off-by: Sasha Levin --- kernel/kthread.c | 10 +++++++++- 1 file changed, 9 insertions(+), 1 deletion(-) diff --git a/kernel/kthread.c b/kernel/kthread.c index d0cb3e413eff..8cf3609d3f52 100644 --- a/kernel/kthread.c +++ b/kernel/kthread.c @@ -774,8 +774,16 @@ int kthread_worker_fn(void *worker_ptr) * event only cares about the address. */ trace_sched_kthread_work_execute_end(work, func); - } else if (!freezing(current)) + } else if (!freezing(current)) { schedule(); + } else { + /* + * Handle the case where the current remains + * TASK_INTERRUPTIBLE. try_to_freeze() expects + * the current to be TASK_RUNNING. + */ + __set_current_state(TASK_RUNNING); + } try_to_freeze(); cond_resched(); From 4766ba108b8325fa8edfa7e794ed52193938f338 Mon Sep 17 00:00:00 2001 From: yangerkun Date: Sat, 17 Aug 2024 16:55:10 +0800 Subject: [PATCH 148/649] ext4: clear EXT4_GROUP_INFO_WAS_TRIMMED_BIT even mount with discard [ Upstream commit 20cee68f5b44fdc2942d20f3172a262ec247b117 ] Commit 3d56b8d2c74c ("ext4: Speed up FITRIM by recording flags in ext4_group_info") speed up fstrim by skipping trim trimmed group. We also has the chance to clear trimmed once there exists some block free for this group(mount without discard), and the next trim for this group will work well too. For mount with discard, we will issue dicard when we free blocks, so leave trimmed flag keep alive to skip useless trim trigger from userspace seems reasonable. But for some case like ext4 build on dm-thinpool(ext4 blocksize 4K, pool blocksize 128K), discard from ext4 maybe unaligned for dm thinpool, and thinpool will just finish this discard(see process_discard_bio when begein equals to end) without actually process discard. For this case, trim from userspace can really help us to free some thinpool block. So convert to clear trimmed flag for all case no matter mounted with discard or not. Fixes: 3d56b8d2c74c ("ext4: Speed up FITRIM by recording flags in ext4_group_info") Signed-off-by: yangerkun Reviewed-by: Jan Kara Link: https://patch.msgid.link/20240817085510.2084444-1-yangerkun@huaweicloud.com Signed-off-by: Theodore Ts'o Signed-off-by: Sasha Levin --- fs/ext4/mballoc.c | 10 ++++------ 1 file changed, 4 insertions(+), 6 deletions(-) diff --git a/fs/ext4/mballoc.c b/fs/ext4/mballoc.c index 7cbbcee225dd..990d8031bed6 100644 --- a/fs/ext4/mballoc.c +++ b/fs/ext4/mballoc.c @@ -3176,11 +3176,8 @@ static void ext4_free_data_in_buddy(struct super_block *sb, /* * Clear the trimmed flag for the group so that the next * ext4_trim_fs can trim it. - * If the volume is mounted with -o discard, online discard - * is supported and the free blocks will be trimmed online. */ - if (!test_opt(sb, DISCARD)) - EXT4_MB_GRP_CLEAR_TRIMMED(db); + EXT4_MB_GRP_CLEAR_TRIMMED(db); if (!db->bb_free_root.rb_node) { /* No more items in the per group rb tree @@ -5589,8 +5586,9 @@ static void ext4_mb_clear_bb(handle_t *handle, struct inode *inode, " group:%u block:%d count:%lu failed" " with %d", block_group, bit, count, err); - } else - EXT4_MB_GRP_CLEAR_TRIMMED(e4b.bd_info); + } + + EXT4_MB_GRP_CLEAR_TRIMMED(e4b.bd_info); ext4_lock_group(sb, block_group); mb_clear_bits(bitmap_bh->b_data, bit, count_clusters); From c4227a38ab887f420e2575c53b32d372333b4a23 Mon Sep 17 00:00:00 2001 From: Jiawei Ye Date: Mon, 2 Sep 2024 08:47:26 +0000 Subject: [PATCH 149/649] smackfs: Use rcu_assign_pointer() to ensure safe assignment in smk_set_cipso [ Upstream commit 2749749afa071f8a0e405605de9da615e771a7ce ] In the `smk_set_cipso` function, the `skp->smk_netlabel.attr.mls.cat` field is directly assigned to a new value without using the appropriate RCU pointer assignment functions. According to RCU usage rules, this is illegal and can lead to unpredictable behavior, including data inconsistencies and impossible-to-diagnose memory corruption issues. This possible bug was identified using a static analysis tool developed by myself, specifically designed to detect RCU-related issues. To address this, the assignment is now done using rcu_assign_pointer(), which ensures that the pointer assignment is done safely, with the necessary memory barriers and synchronization. This change prevents potential RCU dereference issues by ensuring that the `cat` field is safely updated while still adhering to RCU's requirements. Fixes: 0817534ff9ea ("smackfs: Fix use-after-free in netlbl_catmap_walk()") Signed-off-by: Jiawei Ye Signed-off-by: Casey Schaufler Signed-off-by: Sasha Levin --- security/smack/smackfs.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/security/smack/smackfs.c b/security/smack/smackfs.c index 8403c91a6b29..44f0b5148a5b 100644 --- a/security/smack/smackfs.c +++ b/security/smack/smackfs.c @@ -920,7 +920,7 @@ static ssize_t smk_set_cipso(struct file *file, const char __user *buf, rc = smk_netlbl_mls(maplevel, mapcatset, &ncats, SMK_CIPSOLEN); if (rc >= 0) { old_cat = skp->smk_netlabel.attr.mls.cat; - skp->smk_netlabel.attr.mls.cat = ncats.attr.mls.cat; + rcu_assign_pointer(skp->smk_netlabel.attr.mls.cat, ncats.attr.mls.cat); skp->smk_netlabel.attr.mls.lvl = ncats.attr.mls.lvl; synchronize_rcu(); netlbl_catmap_free(old_cat); From 08c63b79624cda07e15aacca8f42b1b717c69354 Mon Sep 17 00:00:00 2001 From: Kemeng Shi Date: Tue, 20 Aug 2024 21:22:28 +0800 Subject: [PATCH 150/649] ext4: avoid buffer_head leak in ext4_mark_inode_used() [ Upstream commit 5e5b2a56c57def1b41efd49596621504d7bcc61c ] Release inode_bitmap_bh from ext4_read_inode_bitmap() in ext4_mark_inode_used() to avoid buffer_head leak. By the way, remove unneeded goto for invalid ino when inode_bitmap_bh is NULL. Fixes: 8016e29f4362 ("ext4: fast commit recovery path") Signed-off-by: Kemeng Shi Link: https://patch.msgid.link/20240820132234.2759926-2-shikemeng@huaweicloud.com Signed-off-by: Theodore Ts'o Signed-off-by: Sasha Levin --- fs/ext4/ialloc.c | 5 +++-- 1 file changed, 3 insertions(+), 2 deletions(-) diff --git a/fs/ext4/ialloc.c b/fs/ext4/ialloc.c index d178543ca13f..34def2892b83 100644 --- a/fs/ext4/ialloc.c +++ b/fs/ext4/ialloc.c @@ -754,10 +754,10 @@ int ext4_mark_inode_used(struct super_block *sb, int ino) struct ext4_group_desc *gdp; ext4_group_t group; int bit; - int err = -EFSCORRUPTED; + int err; if (ino < EXT4_FIRST_INO(sb) || ino > max_ino) - goto out; + return -EFSCORRUPTED; group = (ino - 1) / EXT4_INODES_PER_GROUP(sb); bit = (ino - 1) % EXT4_INODES_PER_GROUP(sb); @@ -860,6 +860,7 @@ int ext4_mark_inode_used(struct super_block *sb, int ino) err = ext4_handle_dirty_metadata(NULL, NULL, group_desc_bh); sync_dirty_buffer(group_desc_bh); out: + brelse(inode_bitmap_bh); return err; } From 22d591d916b4a27955334dfcce0b72448a0a7363 Mon Sep 17 00:00:00 2001 From: Kemeng Shi Date: Tue, 20 Aug 2024 21:22:29 +0800 Subject: [PATCH 151/649] ext4: avoid potential buffer_head leak in __ext4_new_inode() [ Upstream commit 227d31b9214d1b9513383cf6c7180628d4b3b61f ] If a group is marked EXT4_GROUP_INFO_IBITMAP_CORRUPT after it's inode bitmap buffer_head was successfully verified, then __ext4_new_inode() will get a valid inode_bitmap_bh of a corrupted group from ext4_read_inode_bitmap() in which case inode_bitmap_bh misses a release. Hnadle "IS_ERR(inode_bitmap_bh)" and group corruption separately like how ext4_free_inode() does to avoid buffer_head leak. Fixes: 9008a58e5dce ("ext4: make the bitmap read routines return real error codes") Signed-off-by: Kemeng Shi Link: https://patch.msgid.link/20240820132234.2759926-3-shikemeng@huaweicloud.com Signed-off-by: Theodore Ts'o Signed-off-by: Sasha Levin --- fs/ext4/ialloc.c | 7 ++++--- 1 file changed, 4 insertions(+), 3 deletions(-) diff --git a/fs/ext4/ialloc.c b/fs/ext4/ialloc.c index 34def2892b83..26ebbb0388cc 100644 --- a/fs/ext4/ialloc.c +++ b/fs/ext4/ialloc.c @@ -1053,12 +1053,13 @@ struct inode *__ext4_new_inode(handle_t *handle, struct inode *dir, brelse(inode_bitmap_bh); inode_bitmap_bh = ext4_read_inode_bitmap(sb, group); /* Skip groups with suspicious inode tables */ - if (((!(sbi->s_mount_state & EXT4_FC_REPLAY)) - && EXT4_MB_GRP_IBITMAP_CORRUPT(grp)) || - IS_ERR(inode_bitmap_bh)) { + if (IS_ERR(inode_bitmap_bh)) { inode_bitmap_bh = NULL; goto next_group; } + if (!(sbi->s_mount_state & EXT4_FC_REPLAY) && + EXT4_MB_GRP_IBITMAP_CORRUPT(grp)) + goto next_group; repeat_in_this_group: ret2 = find_inode_bit(sb, group, inode_bitmap_bh, &ino); From 2e073a579f7130cf4f1458e9fef4c815f509c319 Mon Sep 17 00:00:00 2001 From: Kemeng Shi Date: Tue, 20 Aug 2024 21:22:30 +0800 Subject: [PATCH 152/649] ext4: avoid negative min_clusters in find_group_orlov() [ Upstream commit bb0a12c3439b10d88412fd3102df5b9a6e3cd6dc ] min_clusters is signed integer and will be converted to unsigned integer when compared with unsigned number stats.free_clusters. If min_clusters is negative, it will be converted to a huge unsigned value in which case all groups may not meet the actual desired free clusters. Set negative min_clusters to 0 to avoid unexpected behavior. Fixes: ac27a0ec112a ("[PATCH] ext4: initial copy of files from ext3") Signed-off-by: Kemeng Shi Link: https://patch.msgid.link/20240820132234.2759926-4-shikemeng@huaweicloud.com Signed-off-by: Theodore Ts'o Signed-off-by: Sasha Levin --- fs/ext4/ialloc.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/fs/ext4/ialloc.c b/fs/ext4/ialloc.c index 26ebbb0388cc..c91e0cef04a5 100644 --- a/fs/ext4/ialloc.c +++ b/fs/ext4/ialloc.c @@ -513,6 +513,8 @@ static int find_group_orlov(struct super_block *sb, struct inode *parent, if (min_inodes < 1) min_inodes = 1; min_clusters = avefreec - EXT4_CLUSTERS_PER_GROUP(sb)*flex_size / 4; + if (min_clusters < 0) + min_clusters = 0; /* * Start looking in the flex group where we last allocated an From e65f698736b053afac80ce6873f2548170cbae0d Mon Sep 17 00:00:00 2001 From: Thadeu Lima de Souza Cascardo Date: Wed, 21 Aug 2024 12:23:22 -0300 Subject: [PATCH 153/649] ext4: return error on ext4_find_inline_entry [ Upstream commit 4d231b91a944f3cab355fce65af5871fb5d7735b ] In case of errors when reading an inode from disk or traversing inline directory entries, return an error-encoded ERR_PTR instead of returning NULL. ext4_find_inline_entry only caller, __ext4_find_entry already returns such encoded errors. Signed-off-by: Thadeu Lima de Souza Cascardo Link: https://patch.msgid.link/20240821152324.3621860-3-cascardo@igalia.com Signed-off-by: Theodore Ts'o Stable-dep-of: c6b72f5d82b1 ("ext4: avoid OOB when system.data xattr changes underneath the filesystem") Signed-off-by: Sasha Levin --- fs/ext4/inline.c | 10 +++++++--- 1 file changed, 7 insertions(+), 3 deletions(-) diff --git a/fs/ext4/inline.c b/fs/ext4/inline.c index 979935c078fb..c9e497c2700c 100644 --- a/fs/ext4/inline.c +++ b/fs/ext4/inline.c @@ -1653,8 +1653,9 @@ struct buffer_head *ext4_find_inline_entry(struct inode *dir, void *inline_start; int inline_size; - if (ext4_get_inode_loc(dir, &iloc)) - return NULL; + ret = ext4_get_inode_loc(dir, &iloc); + if (ret) + return ERR_PTR(ret); down_read(&EXT4_I(dir)->xattr_sem); if (!ext4_has_inline_data(dir)) { @@ -1685,7 +1686,10 @@ struct buffer_head *ext4_find_inline_entry(struct inode *dir, out: brelse(iloc.bh); - iloc.bh = NULL; + if (ret < 0) + iloc.bh = ERR_PTR(ret); + else + iloc.bh = NULL; out_find: up_read(&EXT4_I(dir)->xattr_sem); return iloc.bh; From 7fc22c3b3ffc0e952f5e0062dd11aa6ae76affba Mon Sep 17 00:00:00 2001 From: Thadeu Lima de Souza Cascardo Date: Wed, 21 Aug 2024 12:23:24 -0300 Subject: [PATCH 154/649] ext4: avoid OOB when system.data xattr changes underneath the filesystem [ Upstream commit c6b72f5d82b1017bad80f9ebf502832fc321d796 ] When looking up for an entry in an inlined directory, if e_value_offs is changed underneath the filesystem by some change in the block device, it will lead to an out-of-bounds access that KASAN detects as an UAF. EXT4-fs (loop0): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: none. loop0: detected capacity change from 2048 to 2047 ================================================================== BUG: KASAN: use-after-free in ext4_search_dir+0xf2/0x1c0 fs/ext4/namei.c:1500 Read of size 1 at addr ffff88803e91130f by task syz-executor269/5103 CPU: 0 UID: 0 PID: 5103 Comm: syz-executor269 Not tainted 6.11.0-rc4-syzkaller #0 Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014 Call Trace: __dump_stack lib/dump_stack.c:93 [inline] dump_stack_lvl+0x241/0x360 lib/dump_stack.c:119 print_address_description mm/kasan/report.c:377 [inline] print_report+0x169/0x550 mm/kasan/report.c:488 kasan_report+0x143/0x180 mm/kasan/report.c:601 ext4_search_dir+0xf2/0x1c0 fs/ext4/namei.c:1500 ext4_find_inline_entry+0x4be/0x5e0 fs/ext4/inline.c:1697 __ext4_find_entry+0x2b4/0x1b30 fs/ext4/namei.c:1573 ext4_lookup_entry fs/ext4/namei.c:1727 [inline] ext4_lookup+0x15f/0x750 fs/ext4/namei.c:1795 lookup_one_qstr_excl+0x11f/0x260 fs/namei.c:1633 filename_create+0x297/0x540 fs/namei.c:3980 do_symlinkat+0xf9/0x3a0 fs/namei.c:4587 __do_sys_symlinkat fs/namei.c:4610 [inline] __se_sys_symlinkat fs/namei.c:4607 [inline] __x64_sys_symlinkat+0x95/0xb0 fs/namei.c:4607 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f3e73ced469 Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 21 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007fff4d40c258 EFLAGS: 00000246 ORIG_RAX: 000000000000010a RAX: ffffffffffffffda RBX: 0032656c69662f2e RCX: 00007f3e73ced469 RDX: 0000000020000200 RSI: 00000000ffffff9c RDI: 00000000200001c0 RBP: 0000000000000000 R08: 00007fff4d40c290 R09: 00007fff4d40c290 R10: 0023706f6f6c2f76 R11: 0000000000000246 R12: 00007fff4d40c27c R13: 0000000000000003 R14: 431bde82d7b634db R15: 00007fff4d40c2b0 Calling ext4_xattr_ibody_find right after reading the inode with ext4_get_inode_loc will lead to a check of the validity of the xattrs, avoiding this problem. Reported-by: syzbot+0c2508114d912a54ee79@syzkaller.appspotmail.com Closes: https://syzkaller.appspot.com/bug?extid=0c2508114d912a54ee79 Fixes: e8e948e7802a ("ext4: let ext4_find_entry handle inline data") Signed-off-by: Thadeu Lima de Souza Cascardo Link: https://patch.msgid.link/20240821152324.3621860-5-cascardo@igalia.com Signed-off-by: Theodore Ts'o Signed-off-by: Sasha Levin --- fs/ext4/inline.c | 31 +++++++++++++++++++++---------- 1 file changed, 21 insertions(+), 10 deletions(-) diff --git a/fs/ext4/inline.c b/fs/ext4/inline.c index c9e497c2700c..da1ca9e0869f 100644 --- a/fs/ext4/inline.c +++ b/fs/ext4/inline.c @@ -1648,25 +1648,36 @@ struct buffer_head *ext4_find_inline_entry(struct inode *dir, struct ext4_dir_entry_2 **res_dir, int *has_inline_data) { + struct ext4_xattr_ibody_find is = { + .s = { .not_found = -ENODATA, }, + }; + struct ext4_xattr_info i = { + .name_index = EXT4_XATTR_INDEX_SYSTEM, + .name = EXT4_XATTR_SYSTEM_DATA, + }; int ret; - struct ext4_iloc iloc; void *inline_start; int inline_size; - ret = ext4_get_inode_loc(dir, &iloc); + ret = ext4_get_inode_loc(dir, &is.iloc); if (ret) return ERR_PTR(ret); down_read(&EXT4_I(dir)->xattr_sem); + + ret = ext4_xattr_ibody_find(dir, &i, &is); + if (ret) + goto out; + if (!ext4_has_inline_data(dir)) { *has_inline_data = 0; goto out; } - inline_start = (void *)ext4_raw_inode(&iloc)->i_block + + inline_start = (void *)ext4_raw_inode(&is.iloc)->i_block + EXT4_INLINE_DOTDOT_SIZE; inline_size = EXT4_MIN_INLINE_DATA_SIZE - EXT4_INLINE_DOTDOT_SIZE; - ret = ext4_search_dir(iloc.bh, inline_start, inline_size, + ret = ext4_search_dir(is.iloc.bh, inline_start, inline_size, dir, fname, 0, res_dir); if (ret == 1) goto out_find; @@ -1676,23 +1687,23 @@ struct buffer_head *ext4_find_inline_entry(struct inode *dir, if (ext4_get_inline_size(dir) == EXT4_MIN_INLINE_DATA_SIZE) goto out; - inline_start = ext4_get_inline_xattr_pos(dir, &iloc); + inline_start = ext4_get_inline_xattr_pos(dir, &is.iloc); inline_size = ext4_get_inline_size(dir) - EXT4_MIN_INLINE_DATA_SIZE; - ret = ext4_search_dir(iloc.bh, inline_start, inline_size, + ret = ext4_search_dir(is.iloc.bh, inline_start, inline_size, dir, fname, 0, res_dir); if (ret == 1) goto out_find; out: - brelse(iloc.bh); + brelse(is.iloc.bh); if (ret < 0) - iloc.bh = ERR_PTR(ret); + is.iloc.bh = ERR_PTR(ret); else - iloc.bh = NULL; + is.iloc.bh = NULL; out_find: up_read(&EXT4_I(dir)->xattr_sem); - return iloc.bh; + return is.iloc.bh; } int ext4_delete_inline_entry(handle_t *handle, From 24bf40740a3da6b4056721da34997ae6938f3da1 Mon Sep 17 00:00:00 2001 From: Ryusuke Konishi Date: Wed, 4 Sep 2024 17:13:07 +0900 Subject: [PATCH 155/649] nilfs2: fix potential null-ptr-deref in nilfs_btree_insert() [ Upstream commit 9403001ad65ae4f4c5de368bdda3a0636b51d51a ] Patch series "nilfs2: fix potential issues with empty b-tree nodes". This series addresses three potential issues with empty b-tree nodes that can occur with corrupted filesystem images, including one recently discovered by syzbot. This patch (of 3): If a b-tree is broken on the device, and the b-tree height is greater than 2 (the level of the root node is greater than 1) even if the number of child nodes of the b-tree root is 0, a NULL pointer dereference occurs in nilfs_btree_prepare_insert(), which is called from nilfs_btree_insert(). This is because, when the number of child nodes of the b-tree root is 0, nilfs_btree_do_lookup() does not set the block buffer head in any of path[x].bp_bh, leaving it as the initial value of NULL, but if the level of the b-tree root node is greater than 1, nilfs_btree_get_nonroot_node(), which accesses the buffer memory of path[x].bp_bh, is called. Fix this issue by adding a check to nilfs_btree_root_broken(), which performs sanity checks when reading the root node from the device, to detect this inconsistency. Thanks to Lizhi Xu for trying to solve the bug and clarifying the cause early on. Link: https://lkml.kernel.org/r/20240904081401.16682-1-konishi.ryusuke@gmail.com Link: https://lkml.kernel.org/r/20240902084101.138971-1-lizhi.xu@windriver.com Link: https://lkml.kernel.org/r/20240904081401.16682-2-konishi.ryusuke@gmail.com Fixes: 17c76b0104e4 ("nilfs2: B-tree based block mapping") Signed-off-by: Ryusuke Konishi Reported-by: syzbot+9bff4c7b992038a7409f@syzkaller.appspotmail.com Closes: https://syzkaller.appspot.com/bug?extid=9bff4c7b992038a7409f Cc: Lizhi Xu Signed-off-by: Andrew Morton Signed-off-by: Sasha Levin --- fs/nilfs2/btree.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/fs/nilfs2/btree.c b/fs/nilfs2/btree.c index a426e4e2acda..c2aca9cd7864 100644 --- a/fs/nilfs2/btree.c +++ b/fs/nilfs2/btree.c @@ -381,7 +381,8 @@ static int nilfs_btree_root_broken(const struct nilfs_btree_node *node, if (unlikely(level < NILFS_BTREE_LEVEL_NODE_MIN || level >= NILFS_BTREE_LEVEL_MAX || nchildren < 0 || - nchildren > NILFS_BTREE_ROOT_NCHILDREN_MAX)) { + nchildren > NILFS_BTREE_ROOT_NCHILDREN_MAX || + (nchildren == 0 && level > NILFS_BTREE_LEVEL_NODE_MIN))) { nilfs_crit(inode->i_sb, "bad btree root (ino=%lu): level = %d, flags = 0x%x, nchildren = %d", inode->i_ino, level, flags, nchildren); From e2290906bb24a57872e9f926693e49cb01e7b8a6 Mon Sep 17 00:00:00 2001 From: Ryusuke Konishi Date: Wed, 4 Sep 2024 17:13:08 +0900 Subject: [PATCH 156/649] nilfs2: determine empty node blocks as corrupted [ Upstream commit 111b812d3662f3a1b831d19208f83aa711583fe6 ] Due to the nature of b-trees, nilfs2 itself and admin tools such as mkfs.nilfs2 will never create an intermediate b-tree node block with 0 child nodes, nor will they delete (key, pointer)-entries that would result in such a state. However, it is possible that a b-tree node block is corrupted on the backing device and is read with 0 child nodes. Because operation is not guaranteed if the number of child nodes is 0 for intermediate node blocks other than the root node, modify nilfs_btree_node_broken(), which performs sanity checks when reading a b-tree node block, so that such cases will be judged as metadata corruption. Link: https://lkml.kernel.org/r/20240904081401.16682-3-konishi.ryusuke@gmail.com Fixes: 17c76b0104e4 ("nilfs2: B-tree based block mapping") Signed-off-by: Ryusuke Konishi Cc: Lizhi Xu Signed-off-by: Andrew Morton Signed-off-by: Sasha Levin --- fs/nilfs2/btree.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/fs/nilfs2/btree.c b/fs/nilfs2/btree.c index c2aca9cd7864..7cfff27b4b4a 100644 --- a/fs/nilfs2/btree.c +++ b/fs/nilfs2/btree.c @@ -350,7 +350,7 @@ static int nilfs_btree_node_broken(const struct nilfs_btree_node *node, if (unlikely(level < NILFS_BTREE_LEVEL_NODE_MIN || level >= NILFS_BTREE_LEVEL_MAX || (flags & NILFS_BTREE_NODE_ROOT) || - nchildren < 0 || + nchildren <= 0 || nchildren > NILFS_BTREE_NODE_NCHILDREN_MAX(size))) { nilfs_crit(inode->i_sb, "bad btree node (ino=%lu, blocknr=%llu): level = %d, flags = 0x%x, nchildren = %d", From d20674f31626e0596ae4c1d9401dfb6739b81b58 Mon Sep 17 00:00:00 2001 From: Ryusuke Konishi Date: Wed, 4 Sep 2024 17:13:09 +0900 Subject: [PATCH 157/649] nilfs2: fix potential oob read in nilfs_btree_check_delete() [ Upstream commit f9c96351aa6718b42a9f42eaf7adce0356bdb5e8 ] The function nilfs_btree_check_delete(), which checks whether degeneration to direct mapping occurs before deleting a b-tree entry, causes memory access outside the block buffer when retrieving the maximum key if the root node has no entries. This does not usually happen because b-tree mappings with 0 child nodes are never created by mkfs.nilfs2 or nilfs2 itself. However, it can happen if the b-tree root node read from a device is configured that way, so fix this potential issue by adding a check for that case. Link: https://lkml.kernel.org/r/20240904081401.16682-4-konishi.ryusuke@gmail.com Fixes: 17c76b0104e4 ("nilfs2: B-tree based block mapping") Signed-off-by: Ryusuke Konishi Cc: Lizhi Xu Signed-off-by: Andrew Morton Signed-off-by: Sasha Levin --- fs/nilfs2/btree.c | 7 +++++-- 1 file changed, 5 insertions(+), 2 deletions(-) diff --git a/fs/nilfs2/btree.c b/fs/nilfs2/btree.c index 7cfff27b4b4a..7c9f4d79bdbc 100644 --- a/fs/nilfs2/btree.c +++ b/fs/nilfs2/btree.c @@ -1660,13 +1660,16 @@ static int nilfs_btree_check_delete(struct nilfs_bmap *btree, __u64 key) int nchildren, ret; root = nilfs_btree_get_root(btree); + nchildren = nilfs_btree_node_get_nchildren(root); + if (unlikely(nchildren == 0)) + return 0; + switch (nilfs_btree_height(btree)) { case 2: bh = NULL; node = root; break; case 3: - nchildren = nilfs_btree_node_get_nchildren(root); if (nchildren > 1) return 0; ptr = nilfs_btree_node_get_ptr(root, nchildren - 1, @@ -1675,12 +1678,12 @@ static int nilfs_btree_check_delete(struct nilfs_bmap *btree, __u64 key) if (ret < 0) return ret; node = (struct nilfs_btree_node *)bh->b_data; + nchildren = nilfs_btree_node_get_nchildren(node); break; default: return 0; } - nchildren = nilfs_btree_node_get_nchildren(node); maxkey = nilfs_btree_node_get_key(node, nchildren - 1); nextmaxkey = (nchildren > 1) ? nilfs_btree_node_get_key(node, nchildren - 2) : 0; From ea837ae511aa1d5913e13b50e8d2cf0cce46c32f Mon Sep 17 00:00:00 2001 From: Daniel Borkmann Date: Fri, 13 Sep 2024 21:17:46 +0200 Subject: [PATCH 158/649] bpf: Fix bpf_strtol and bpf_strtoul helpers for 32bit [ Upstream commit cfe69c50b05510b24e26ccb427c7cc70beafd6c1 ] The bpf_strtol() and bpf_strtoul() helpers are currently broken on 32bit: The argument type ARG_PTR_TO_LONG is BPF-side "long", not kernel-side "long" and therefore always considered fixed 64bit no matter if 64 or 32bit underlying architecture. This contract breaks in case of the two mentioned helpers since their BPF_CALL definition for the helpers was added with {unsigned,}long *res. Meaning, the transition from BPF-side "long" (BPF program) to kernel-side "long" (BPF helper) breaks here. Both helpers call __bpf_strtoll() with "long long" correctly, but later assigning the result into 32-bit "*(long *)" on 32bit architectures. From a BPF program point of view, this means upper bits will be seen as uninitialised. Therefore, fix both BPF_CALL signatures to {s,u}64 types to fix this situation. Now, changing also uapi/bpf.h helper documentation which generates bpf_helper_defs.h for BPF programs is tricky: Changing signatures there to __{s,u}64 would trigger compiler warnings (incompatible pointer types passing 'long *' to parameter of type '__s64 *' (aka 'long long *')) for existing BPF programs. Leaving the signatures as-is would be fine as from BPF program point of view it is still BPF-side "long" and thus equivalent to __{s,u}64 on 64 or 32bit underlying architectures. Note that bpf_strtol() and bpf_strtoul() are the only helpers with this issue. Fixes: d7a4cb9b6705 ("bpf: Introduce bpf_strtol and bpf_strtoul helpers") Reported-by: Alexei Starovoitov Signed-off-by: Daniel Borkmann Acked-by: Andrii Nakryiko Link: https://lore.kernel.org/bpf/481fcec8-c12c-9abb-8ecb-76c71c009959@iogearbox.net Link: https://lore.kernel.org/r/20240913191754.13290-1-daniel@iogearbox.net Signed-off-by: Alexei Starovoitov Signed-off-by: Sasha Levin --- kernel/bpf/helpers.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/kernel/bpf/helpers.c b/kernel/bpf/helpers.c index 084ac7e42919..31e3a5482156 100644 --- a/kernel/bpf/helpers.c +++ b/kernel/bpf/helpers.c @@ -497,7 +497,7 @@ static int __bpf_strtoll(const char *buf, size_t buf_len, u64 flags, } BPF_CALL_4(bpf_strtol, const char *, buf, size_t, buf_len, u64, flags, - long *, res) + s64 *, res) { long long _res; int err; @@ -522,7 +522,7 @@ const struct bpf_func_proto bpf_strtol_proto = { }; BPF_CALL_4(bpf_strtoul, const char *, buf, size_t, buf_len, u64, flags, - unsigned long *, res) + u64 *, res) { unsigned long long _res; bool is_negative; From 727660723ea7c3e54ffd770bc40e80f8de094f64 Mon Sep 17 00:00:00 2001 From: Yang Jihong Date: Tue, 6 Aug 2024 10:35:33 +0800 Subject: [PATCH 159/649] perf sched timehist: Fix missing free of session in perf_sched__timehist() [ Upstream commit 6bdf5168b6fb19541b0c1862bdaa596d116c7bfb ] When perf_time__parse_str() fails in perf_sched__timehist(), need to free session that was previously created, fix it. Fixes: 853b74071110bed3 ("perf sched timehist: Add option to specify time window of interest") Signed-off-by: Yang Jihong Acked-by: Namhyung Kim Cc: Adrian Hunter Cc: Alexander Shishkin Cc: David Ahern Cc: Ian Rogers Cc: Ingo Molnar Cc: Jiri Olsa Cc: Kan Liang Cc: Mark Rutland Cc: Peter Zijlstra Link: https://lore.kernel.org/r/20240806023533.1316348-1-yangjihong@bytedance.com Signed-off-by: Arnaldo Carvalho de Melo Signed-off-by: Sasha Levin --- tools/perf/builtin-sched.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/tools/perf/builtin-sched.c b/tools/perf/builtin-sched.c index 02e5774cabb6..51ba1c73ab71 100644 --- a/tools/perf/builtin-sched.c +++ b/tools/perf/builtin-sched.c @@ -3027,7 +3027,8 @@ static int perf_sched__timehist(struct perf_sched *sched) if (perf_time__parse_str(&sched->ptime, sched->time_str) != 0) { pr_err("Invalid time string\n"); - return -EINVAL; + err = -EINVAL; + goto out; } if (timehist_check_attr(sched, evlist) != 0) From a10a7d6d171b894bc30b663e09f89003d1cfb1b9 Mon Sep 17 00:00:00 2001 From: Yang Jihong Date: Mon, 19 Aug 2024 10:47:20 +0800 Subject: [PATCH 160/649] perf sched timehist: Fixed timestamp error when unable to confirm event sched_in time [ Upstream commit 39c243411bdb8fb35777adf49ee32549633c4e12 ] If sched_in event for current task is not recorded, sched_in timestamp will be set to end_time of time window interest, causing an error in timestamp show. In this case, we choose to ignore this event. Test scenario: perf[1229608] does not record the first sched_in event, run time and sch delay are both 0 # perf sched timehist Samples of sched_switch event do not have callchains. time cpu task name wait time sch delay run time [tid/pid] (msec) (msec) (msec) --------------- ------ ------------------------------ --------- --------- --------- 2090450.763231 [0000] perf[1229608] 0.000 0.000 0.000 2090450.763235 [0000] migration/0[15] 0.000 0.001 0.003 2090450.763263 [0001] perf[1229608] 0.000 0.000 0.000 2090450.763268 [0001] migration/1[21] 0.000 0.001 0.004 2090450.763302 [0002] perf[1229608] 0.000 0.000 0.000 2090450.763309 [0002] migration/2[27] 0.000 0.001 0.007 2090450.763338 [0003] perf[1229608] 0.000 0.000 0.000 2090450.763343 [0003] migration/3[33] 0.000 0.001 0.004 Before: arbitrarily specify a time window of interest, timestamp will be set to an incorrect value # perf sched timehist --time 100,200 Samples of sched_switch event do not have callchains. time cpu task name wait time sch delay run time [tid/pid] (msec) (msec) (msec) --------------- ------ ------------------------------ --------- --------- --------- 200.000000 [0000] perf[1229608] 0.000 0.000 0.000 200.000000 [0001] perf[1229608] 0.000 0.000 0.000 200.000000 [0002] perf[1229608] 0.000 0.000 0.000 200.000000 [0003] perf[1229608] 0.000 0.000 0.000 200.000000 [0004] perf[1229608] 0.000 0.000 0.000 200.000000 [0005] perf[1229608] 0.000 0.000 0.000 200.000000 [0006] perf[1229608] 0.000 0.000 0.000 200.000000 [0007] perf[1229608] 0.000 0.000 0.000 After: # perf sched timehist --time 100,200 Samples of sched_switch event do not have callchains. time cpu task name wait time sch delay run time [tid/pid] (msec) (msec) (msec) --------------- ------ ------------------------------ --------- --------- --------- Fixes: 853b74071110bed3 ("perf sched timehist: Add option to specify time window of interest") Signed-off-by: Yang Jihong Acked-by: Namhyung Kim Cc: Adrian Hunter Cc: Alexander Shishkin Cc: David Ahern Cc: Ian Rogers Cc: Ingo Molnar Cc: James Clark Cc: Jiri Olsa Cc: Kan Liang Cc: Mark Rutland Cc: Peter Zijlstra Link: https://lore.kernel.org/r/20240819024720.2405244-1-yangjihong@bytedance.com Signed-off-by: Arnaldo Carvalho de Melo Signed-off-by: Sasha Levin --- tools/perf/builtin-sched.c | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-) diff --git a/tools/perf/builtin-sched.c b/tools/perf/builtin-sched.c index 51ba1c73ab71..4f8658f5f9de 100644 --- a/tools/perf/builtin-sched.c +++ b/tools/perf/builtin-sched.c @@ -2577,9 +2577,12 @@ static int timehist_sched_change_event(struct perf_tool *tool, * - previous sched event is out of window - we are done * - sample time is beyond window user cares about - reset it * to close out stats for time window interest + * - If tprev is 0, that is, sched_in event for current task is + * not recorded, cannot determine whether sched_in event is + * within time window interest - ignore it */ if (ptime->end) { - if (tprev > ptime->end) + if (!tprev || tprev > ptime->end) goto out; if (t > ptime->end) From 11396ba4f8204e1c49196612d44c47d329f473d2 Mon Sep 17 00:00:00 2001 From: Ian Rogers Date: Sat, 31 Aug 2024 00:04:11 -0700 Subject: [PATCH 161/649] perf time-utils: Fix 32-bit nsec parsing [ Upstream commit 38e2648a81204c9fc5b4c87a8ffce93a6ed91b65 ] The "time utils" test fails in 32-bit builds: ... parse_nsec_time("18446744073.709551615") Failed. ptime 4294967295709551615 expected 18446744073709551615 ... Switch strtoul to strtoull as an unsigned long in 32-bit build isn't 64-bits. Fixes: c284d669a20d408b ("perf tools: Move parse_nsec_time to time-utils.c") Signed-off-by: Ian Rogers Cc: Adrian Hunter Cc: Alexander Shishkin Cc: Athira Rajeev Cc: Chaitanya S Prakash Cc: Colin Ian King Cc: David Ahern Cc: Dominique Martinet Cc: Ingo Molnar Cc: James Clark Cc: Jiri Olsa Cc: John Garry Cc: Junhao He Cc: Kan Liang Cc: Mark Rutland Cc: Masami Hiramatsu Cc: Namhyung Kim Cc: Peter Zijlstra Cc: Yang Jihong Link: https://lore.kernel.org/r/20240831070415.506194-3-irogers@google.com Signed-off-by: Arnaldo Carvalho de Melo Signed-off-by: Sasha Levin --- tools/perf/util/time-utils.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/tools/perf/util/time-utils.c b/tools/perf/util/time-utils.c index 302443921681..1b91ccd4d523 100644 --- a/tools/perf/util/time-utils.c +++ b/tools/perf/util/time-utils.c @@ -20,7 +20,7 @@ int parse_nsec_time(const char *str, u64 *ptime) u64 time_sec, time_nsec; char *end; - time_sec = strtoul(str, &end, 10); + time_sec = strtoull(str, &end, 10); if (*end != '.' && *end != '\0') return -1; @@ -38,7 +38,7 @@ int parse_nsec_time(const char *str, u64 *ptime) for (i = strlen(nsec_buf); i < 9; i++) nsec_buf[i] = '0'; - time_nsec = strtoul(nsec_buf, &end, 10); + time_nsec = strtoull(nsec_buf, &end, 10); if (*end != '\0') return -1; } else From ca34aa37820a02cbbe07621eee7ce1cba48dc9d7 Mon Sep 17 00:00:00 2001 From: Zhipeng Wang Date: Fri, 7 Jun 2024 21:33:38 +0800 Subject: [PATCH 162/649] clk: imx: imx8mp: fix clock tree update of TF-A managed clocks [ Upstream commit 3d29036853b9cb07ac49e8261fca82a940be5c41 ] On the i.MX8M*, the TF-A exposes a SiP (Silicon Provider) service for DDR frequency scaling. The imx8m-ddrc-devfreq driver calls the SiP and then does clk_set_parent on the DDR muxes to synchronize the clock tree. since commit 936c383673b9 ("clk: imx: fix composite peripheral flags"), these TF-A managed muxes have SET_PARENT_GATE set, which results in imx8m-ddrc-devfreq's clk_set_parent after SiP failing with -EBUSY: clk_set_parent(dram_apb_src, sys1_pll_40m);(busfreq-imx8mq.c) commit 926bf91248dd ("clk: imx8m: fix clock tree update of TF-A managed clocks") adds this method and enables 8mm, 8mn and 8mq. i.MX8MP also needs it. This is safe to do, because updating the Linux clock tree to reflect reality will always be glitch-free. Another reason to this patch is that powersave image BT music requires dram to be 400MTS, so clk_set_parent(dram_alt_src, sys1_pll_800m); is required. Without this patch, it will not succeed. Fixes: 936c383673b9 ("clk: imx: fix composite peripheral flags") Signed-off-by: Zhipeng Wang Reviewed-by: Ahmad Fatoum Signed-off-by: Peng Fan Reviewed-by: Abel Vesa Link: https://lore.kernel.org/r/20240607133347.3291040-7-peng.fan@oss.nxp.com Signed-off-by: Abel Vesa Signed-off-by: Sasha Levin --- drivers/clk/imx/clk-imx8mp.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/clk/imx/clk-imx8mp.c b/drivers/clk/imx/clk-imx8mp.c index 148572852e70..56d45caa603f 100644 --- a/drivers/clk/imx/clk-imx8mp.c +++ b/drivers/clk/imx/clk-imx8mp.c @@ -579,8 +579,8 @@ static int imx8mp_clocks_probe(struct platform_device *pdev) hws[IMX8MP_CLK_IPG_ROOT] = imx_clk_hw_divider2("ipg_root", "ahb_root", ccm_base + 0x9080, 0, 1); hws[IMX8MP_CLK_IPG_AUDIO_ROOT] = imx_clk_hw_divider2("ipg_audio_root", "audio_ahb", ccm_base + 0x9180, 0, 1); - hws[IMX8MP_CLK_DRAM_ALT] = imx8m_clk_hw_composite("dram_alt", imx8mp_dram_alt_sels, ccm_base + 0xa000); - hws[IMX8MP_CLK_DRAM_APB] = imx8m_clk_hw_composite_critical("dram_apb", imx8mp_dram_apb_sels, ccm_base + 0xa080); + hws[IMX8MP_CLK_DRAM_ALT] = imx8m_clk_hw_fw_managed_composite("dram_alt", imx8mp_dram_alt_sels, ccm_base + 0xa000); + hws[IMX8MP_CLK_DRAM_APB] = imx8m_clk_hw_fw_managed_composite_critical("dram_apb", imx8mp_dram_apb_sels, ccm_base + 0xa080); hws[IMX8MP_CLK_VPU_G1] = imx8m_clk_hw_composite("vpu_g1", imx8mp_vpu_g1_sels, ccm_base + 0xa100); hws[IMX8MP_CLK_VPU_G2] = imx8m_clk_hw_composite("vpu_g2", imx8mp_vpu_g2_sels, ccm_base + 0xa180); hws[IMX8MP_CLK_CAN1] = imx8m_clk_hw_composite("can1", imx8mp_can1_sels, ccm_base + 0xa200); From 45f826f6c8273b5a5d94be04a4203ab4dbecef54 Mon Sep 17 00:00:00 2001 From: Jonas Karlman Date: Sat, 15 Jun 2024 17:03:53 +0000 Subject: [PATCH 163/649] clk: rockchip: Set parent rate for DCLK_VOP clock on RK3228 [ Upstream commit 1d34b9757523c1ad547bd6d040381f62d74a3189 ] Similar to DCLK_LCDC on RK3328, the DCLK_VOP on RK3228 is typically parented by the hdmiphy clk and it is expected that the DCLK_VOP and hdmiphy clk rate are kept in sync. Use CLK_SET_RATE_PARENT and CLK_SET_RATE_NO_REPARENT flags, same as used on RK3328, to make full use of all possible supported display modes. Fixes: 0a9d4ac08ebc ("clk: rockchip: set the clock ids for RK3228 VOP") Fixes: 307a2e9ac524 ("clk: rockchip: add clock controller for rk3228") Signed-off-by: Jonas Karlman Link: https://lore.kernel.org/r/20240615170417.3134517-3-jonas@kwiboo.se Signed-off-by: Heiko Stuebner Signed-off-by: Sasha Levin --- drivers/clk/rockchip/clk-rk3228.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/clk/rockchip/clk-rk3228.c b/drivers/clk/rockchip/clk-rk3228.c index 47d6482dda9d..a2b4d5487514 100644 --- a/drivers/clk/rockchip/clk-rk3228.c +++ b/drivers/clk/rockchip/clk-rk3228.c @@ -408,7 +408,7 @@ static struct rockchip_clk_branch rk3228_clk_branches[] __initdata = { RK2928_CLKSEL_CON(29), 0, 3, DFLAGS), DIV(0, "sclk_vop_pre", "sclk_vop_src", 0, RK2928_CLKSEL_CON(27), 8, 8, DFLAGS), - MUX(DCLK_VOP, "dclk_vop", mux_dclk_vop_p, 0, + MUX(DCLK_VOP, "dclk_vop", mux_dclk_vop_p, CLK_SET_RATE_PARENT | CLK_SET_RATE_NO_REPARENT, RK2928_CLKSEL_CON(27), 1, 1, MFLAGS), FACTOR(0, "xin12m", "xin24m", 0, 1, 2), From 6ae3b9aee42616ee93c4585174f40c767828006d Mon Sep 17 00:00:00 2001 From: Junlin Li Date: Tue, 2 Jul 2024 21:24:13 +0800 Subject: [PATCH 164/649] drivers: media: dvb-frontends/rtl2832: fix an out-of-bounds write error [ Upstream commit 8ae06f360cfaca2b88b98ca89144548b3186aab1 ] Ensure index in rtl2832_pid_filter does not exceed 31 to prevent out-of-bounds access. dev->filters is a 32-bit value, so set_bit and clear_bit functions should only operate on indices from 0 to 31. If index is 32, it will attempt to access a non-existent 33rd bit, leading to out-of-bounds access. Change the boundary check from index > 32 to index >= 32 to resolve this issue. Signed-off-by: Junlin Li Signed-off-by: Hans Verkuil Fixes: 4b01e01a81b6 ("[media] rtl2832: implement PID filter") [hverkuil: added fixes tag, rtl2830_pid_filter -> rtl2832_pid_filter in logmsg] Signed-off-by: Sasha Levin --- drivers/media/dvb-frontends/rtl2832.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/media/dvb-frontends/rtl2832.c b/drivers/media/dvb-frontends/rtl2832.c index e5bffaaeed38..1c3e572cad3f 100644 --- a/drivers/media/dvb-frontends/rtl2832.c +++ b/drivers/media/dvb-frontends/rtl2832.c @@ -982,7 +982,7 @@ static int rtl2832_pid_filter(struct dvb_frontend *fe, u8 index, u16 pid, index, pid, onoff, dev->slave_ts); /* skip invalid PIDs (0x2000) */ - if (pid > 0x1fff || index > 32) + if (pid > 0x1fff || index >= 32) return 0; if (onoff) From badbd736e6649c4e6d7b4ff7e2b9857acfa9ea94 Mon Sep 17 00:00:00 2001 From: Junlin Li Date: Wed, 3 Jul 2024 01:50:23 +0800 Subject: [PATCH 165/649] drivers: media: dvb-frontends/rtl2830: fix an out-of-bounds write error [ Upstream commit 46d7ebfe6a75a454a5fa28604f0ef1491f9d8d14 ] Ensure index in rtl2830_pid_filter does not exceed 31 to prevent out-of-bounds access. dev->filters is a 32-bit value, so set_bit and clear_bit functions should only operate on indices from 0 to 31. If index is 32, it will attempt to access a non-existent 33rd bit, leading to out-of-bounds access. Change the boundary check from index > 32 to index >= 32 to resolve this issue. Fixes: df70ddad81b4 ("[media] rtl2830: implement PID filter") Signed-off-by: Junlin Li Signed-off-by: Hans Verkuil Signed-off-by: Sasha Levin --- drivers/media/dvb-frontends/rtl2830.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/media/dvb-frontends/rtl2830.c b/drivers/media/dvb-frontends/rtl2830.c index e6b8367c8cce..84c00c6894d3 100644 --- a/drivers/media/dvb-frontends/rtl2830.c +++ b/drivers/media/dvb-frontends/rtl2830.c @@ -609,7 +609,7 @@ static int rtl2830_pid_filter(struct dvb_frontend *fe, u8 index, u16 pid, int on index, pid, onoff); /* skip invalid PIDs (0x2000) */ - if (pid > 0x1fff || index > 32) + if (pid > 0x1fff || index >= 32) return 0; if (onoff) From c289903b7a216df5ea6e1850ddf1b958eea9921d Mon Sep 17 00:00:00 2001 From: Dan Carpenter Date: Fri, 19 Jul 2024 18:53:26 -0500 Subject: [PATCH 166/649] PCI: keystone: Fix if-statement expression in ks_pcie_quirk() MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit [ Upstream commit 6188a1c762eb9bbd444f47696eda77a5eae6207a ] This code accidentally uses && where || was intended. It potentially results in a NULL dereference. Thus, fix the if-statement expression to use the correct condition. Fixes: 86f271f22bbb ("PCI: keystone: Add workaround for Errata #i2037 (AM65x SR 1.0)") Link: https://lore.kernel.org/linux-pci/1b762a93-e1b2-4af3-8c04-c8843905c279@stanley.mountain Signed-off-by: Dan Carpenter [kwilczynski: commit log] Signed-off-by: Krzysztof Wilczyński Reviewed-by: Manivannan Sadhasivam Reviewed-by: Siddharth Vadapalli Signed-off-by: Sasha Levin --- drivers/pci/controller/dwc/pci-keystone.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/pci/controller/dwc/pci-keystone.c b/drivers/pci/controller/dwc/pci-keystone.c index 0b49bdf149a6..08f37ae8a111 100644 --- a/drivers/pci/controller/dwc/pci-keystone.c +++ b/drivers/pci/controller/dwc/pci-keystone.c @@ -598,7 +598,7 @@ static void ks_pcie_quirk(struct pci_dev *dev) */ if (pci_match_id(am6_pci_devids, bridge)) { bridge_dev = pci_get_host_bridge_device(dev); - if (!bridge_dev && !bridge_dev->parent) + if (!bridge_dev || !bridge_dev->parent) return; ks_pcie = dev_get_drvdata(bridge_dev->parent); From 6fcb4bbbecb49342e1dd691ea923c888558fd415 Mon Sep 17 00:00:00 2001 From: Jeff Layton Date: Thu, 11 Jul 2024 15:11:13 -0400 Subject: [PATCH 167/649] nfsd: remove unneeded EEXIST error check in nfsd_do_file_acquire [ Upstream commit 81a95c2b1d605743220f28db04b8da13a65c4059 ] Given that we do the search and insertion while holding the i_lock, I don't think it's possible for us to get EEXIST here. Remove this case. Fixes: c6593366c0bf ("nfsd: don't kill nfsd_files because of lease break error") Signed-off-by: Jeff Layton Tested-by: Youzhong Yang Signed-off-by: Chuck Lever Signed-off-by: Sasha Levin --- fs/nfsd/filecache.c | 2 -- 1 file changed, 2 deletions(-) diff --git a/fs/nfsd/filecache.c b/fs/nfsd/filecache.c index 615ea8324911..96a2be833b20 100644 --- a/fs/nfsd/filecache.c +++ b/fs/nfsd/filecache.c @@ -1040,8 +1040,6 @@ nfsd_file_do_acquire(struct svc_rqst *rqstp, struct svc_fh *fhp, if (likely(ret == 0)) goto open_file; - if (ret == -EEXIST) - goto retry; trace_nfsd_file_insert_err(rqstp, inode, may_flags, ret); status = nfserr_jukebox; goto construction_err; From f29951897a3099e61ebdf2a0ce9caa57468e0e00 Mon Sep 17 00:00:00 2001 From: Sean Anderson Date: Fri, 31 May 2024 12:13:33 -0400 Subject: [PATCH 168/649] PCI: xilinx-nwl: Fix register misspelling [ Upstream commit a437027ae1730b8dc379c75fa0dd7d3036917400 ] MSIC -> MISC Fixes: c2a7ff18edcd ("PCI: xilinx-nwl: Expand error logging") Link: https://lore.kernel.org/r/20240531161337.864994-4-sean.anderson@linux.dev Signed-off-by: Sean Anderson Signed-off-by: Bjorn Helgaas Signed-off-by: Sasha Levin --- drivers/pci/controller/pcie-xilinx-nwl.c | 12 ++++++------ 1 file changed, 6 insertions(+), 6 deletions(-) diff --git a/drivers/pci/controller/pcie-xilinx-nwl.c b/drivers/pci/controller/pcie-xilinx-nwl.c index 2a9fe7c3aef9..5c6653d825fb 100644 --- a/drivers/pci/controller/pcie-xilinx-nwl.c +++ b/drivers/pci/controller/pcie-xilinx-nwl.c @@ -79,8 +79,8 @@ #define MSGF_MISC_SR_NON_FATAL_DEV BIT(22) #define MSGF_MISC_SR_FATAL_DEV BIT(23) #define MSGF_MISC_SR_LINK_DOWN BIT(24) -#define MSGF_MSIC_SR_LINK_AUTO_BWIDTH BIT(25) -#define MSGF_MSIC_SR_LINK_BWIDTH BIT(26) +#define MSGF_MISC_SR_LINK_AUTO_BWIDTH BIT(25) +#define MSGF_MISC_SR_LINK_BWIDTH BIT(26) #define MSGF_MISC_SR_MASKALL (MSGF_MISC_SR_RXMSG_AVAIL | \ MSGF_MISC_SR_RXMSG_OVER | \ @@ -95,8 +95,8 @@ MSGF_MISC_SR_NON_FATAL_DEV | \ MSGF_MISC_SR_FATAL_DEV | \ MSGF_MISC_SR_LINK_DOWN | \ - MSGF_MSIC_SR_LINK_AUTO_BWIDTH | \ - MSGF_MSIC_SR_LINK_BWIDTH) + MSGF_MISC_SR_LINK_AUTO_BWIDTH | \ + MSGF_MISC_SR_LINK_BWIDTH) /* Legacy interrupt status mask bits */ #define MSGF_LEG_SR_INTA BIT(0) @@ -305,10 +305,10 @@ static irqreturn_t nwl_pcie_misc_handler(int irq, void *data) if (misc_stat & MSGF_MISC_SR_FATAL_DEV) dev_err(dev, "Fatal Error Detected\n"); - if (misc_stat & MSGF_MSIC_SR_LINK_AUTO_BWIDTH) + if (misc_stat & MSGF_MISC_SR_LINK_AUTO_BWIDTH) dev_info(dev, "Link Autonomous Bandwidth Management Status bit set\n"); - if (misc_stat & MSGF_MSIC_SR_LINK_BWIDTH) + if (misc_stat & MSGF_MISC_SR_LINK_BWIDTH) dev_info(dev, "Link Bandwidth Management Status bit set\n"); /* Clear misc interrupt status */ From 60073591436998c712f4d561f2b4a7f1c19465f9 Mon Sep 17 00:00:00 2001 From: Jeff Layton Date: Wed, 10 Jul 2024 09:05:32 -0400 Subject: [PATCH 169/649] nfsd: fix refcount leak when file is unhashed after being found [ Upstream commit 8a7926176378460e0d91e02b03f0ff20a8709a60 ] If we wait_for_construction and find that the file is no longer hashed, and we're going to retry the open, the old nfsd_file reference is currently leaked. Put the reference before retrying. Fixes: c6593366c0bf ("nfsd: don't kill nfsd_files because of lease break error") Signed-off-by: Jeff Layton Tested-by: Youzhong Yang Signed-off-by: Chuck Lever Signed-off-by: Sasha Levin --- fs/nfsd/filecache.c | 1 + 1 file changed, 1 insertion(+) diff --git a/fs/nfsd/filecache.c b/fs/nfsd/filecache.c index 96a2be833b20..31169f0cc3d7 100644 --- a/fs/nfsd/filecache.c +++ b/fs/nfsd/filecache.c @@ -1054,6 +1054,7 @@ nfsd_file_do_acquire(struct svc_rqst *rqstp, struct svc_fh *fhp, status = nfserr_jukebox; goto construction_err; } + nfsd_file_put(nf); open_retry = false; goto retry; } From 2efe8da2ddbf873385b4bc55366d09350b408df6 Mon Sep 17 00:00:00 2001 From: Zhu Yanjun Date: Tue, 20 Aug 2024 13:33:36 +0200 Subject: [PATCH 170/649] RDMA/iwcm: Fix WARNING:at_kernel/workqueue.c:#check_flush_dependency [ Upstream commit 86dfdd8288907f03c18b7fb462e0e232c4f98d89 ] In the commit aee2424246f9 ("RDMA/iwcm: Fix a use-after-free related to destroying CM IDs"), the function flush_workqueue is invoked to flush the work queue iwcm_wq. But at that time, the work queue iwcm_wq was created via the function alloc_ordered_workqueue without the flag WQ_MEM_RECLAIM. Because the current process is trying to flush the whole iwcm_wq, if iwcm_wq doesn't have the flag WQ_MEM_RECLAIM, verify that the current process is not reclaiming memory or running on a workqueue which doesn't have the flag WQ_MEM_RECLAIM as that can break forward-progress guarantee leading to a deadlock. The call trace is as below: [ 125.350876][ T1430] Call Trace: [ 125.356281][ T1430] [ 125.361285][ T1430] ? __warn (kernel/panic.c:693) [ 125.367640][ T1430] ? check_flush_dependency (kernel/workqueue.c:3706 (discriminator 9)) [ 125.375689][ T1430] ? report_bug (lib/bug.c:180 lib/bug.c:219) [ 125.382505][ T1430] ? handle_bug (arch/x86/kernel/traps.c:239) [ 125.388987][ T1430] ? exc_invalid_op (arch/x86/kernel/traps.c:260 (discriminator 1)) [ 125.395831][ T1430] ? asm_exc_invalid_op (arch/x86/include/asm/idtentry.h:621) [ 125.403125][ T1430] ? check_flush_dependency (kernel/workqueue.c:3706 (discriminator 9)) [ 125.410984][ T1430] ? check_flush_dependency (kernel/workqueue.c:3706 (discriminator 9)) [ 125.418764][ T1430] __flush_workqueue (kernel/workqueue.c:3970) [ 125.426021][ T1430] ? __pfx___might_resched (kernel/sched/core.c:10151) [ 125.433431][ T1430] ? destroy_cm_id (drivers/infiniband/core/iwcm.c:375) iw_cm [ 125.441209][ T1430] ? __pfx___flush_workqueue (kernel/workqueue.c:3910) [ 125.473900][ T1430] ? _raw_spin_lock_irqsave (arch/x86/include/asm/atomic.h:107 include/linux/atomic/atomic-arch-fallback.h:2170 include/linux/atomic/atomic-instrumented.h:1302 include/asm-generic/qspinlock.h:111 include/linux/spinlock.h:187 include/linux/spinlock_api_smp.h:111 kernel/locking/spinlock.c:162) [ 125.473909][ T1430] ? __pfx__raw_spin_lock_irqsave (kernel/locking/spinlock.c:161) [ 125.482537][ T1430] _destroy_id (drivers/infiniband/core/cma.c:2044) rdma_cm [ 125.495072][ T1430] nvme_rdma_free_queue (drivers/nvme/host/rdma.c:656 drivers/nvme/host/rdma.c:650) nvme_rdma [ 125.505827][ T1430] nvme_rdma_reset_ctrl_work (drivers/nvme/host/rdma.c:2180) nvme_rdma [ 125.505831][ T1430] process_one_work (kernel/workqueue.c:3231) [ 125.515122][ T1430] worker_thread (kernel/workqueue.c:3306 kernel/workqueue.c:3393) [ 125.515127][ T1430] ? __pfx_worker_thread (kernel/workqueue.c:3339) [ 125.531837][ T1430] kthread (kernel/kthread.c:389) [ 125.539864][ T1430] ? __pfx_kthread (kernel/kthread.c:342) [ 125.550628][ T1430] ret_from_fork (arch/x86/kernel/process.c:147) [ 125.558840][ T1430] ? __pfx_kthread (kernel/kthread.c:342) [ 125.558844][ T1430] ret_from_fork_asm (arch/x86/entry/entry_64.S:257) [ 125.566487][ T1430] [ 125.566488][ T1430] ---[ end trace 0000000000000000 ]--- Fixes: aee2424246f9 ("RDMA/iwcm: Fix a use-after-free related to destroying CM IDs") Link: https://patch.msgid.link/r/20240820113336.19860-1-yanjun.zhu@linux.dev Reported-by: kernel test robot Closes: https://lore.kernel.org/oe-lkp/202408151633.fc01893c-oliver.sang@intel.com Tested-by: kernel test robot Signed-off-by: Zhu Yanjun Reviewed-by: Bart Van Assche Signed-off-by: Jason Gunthorpe Signed-off-by: Sasha Levin --- drivers/infiniband/core/iwcm.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/infiniband/core/iwcm.c b/drivers/infiniband/core/iwcm.c index 7a6747850aea..44362f693df9 100644 --- a/drivers/infiniband/core/iwcm.c +++ b/drivers/infiniband/core/iwcm.c @@ -1192,7 +1192,7 @@ static int __init iw_cm_init(void) if (ret) return ret; - iwcm_wq = alloc_ordered_workqueue("iw_cm_wq", 0); + iwcm_wq = alloc_ordered_workqueue("iw_cm_wq", WQ_MEM_RECLAIM); if (!iwcm_wq) goto err_alloc; From d8c75b8a91fdf85f8adc4195412b78c284927e26 Mon Sep 17 00:00:00 2001 From: Yangtao Li Date: Tue, 4 Jul 2023 20:47:40 +0800 Subject: [PATCH 171/649] pinctrl: mvebu: Use devm_platform_get_and_ioremap_resource() [ Upstream commit 2d357f25663ddfef47ffe26da21155302153d168 ] Convert platform_get_resource(), devm_ioremap_resource() to a single call to devm_platform_get_and_ioremap_resource(), as this is exactly what this function does. Signed-off-by: Yangtao Li Link: https://lore.kernel.org/r/20230704124742.9596-2-frank.li@vivo.com Signed-off-by: Linus Walleij Stable-dep-of: c25478419f6f ("pinctrl: mvebu: Fix devinit_dove_pinctrl_probe function") Signed-off-by: Sasha Levin --- drivers/pinctrl/mvebu/pinctrl-dove.c | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-) diff --git a/drivers/pinctrl/mvebu/pinctrl-dove.c b/drivers/pinctrl/mvebu/pinctrl-dove.c index 545486d98532..bd74daa9ed66 100644 --- a/drivers/pinctrl/mvebu/pinctrl-dove.c +++ b/drivers/pinctrl/mvebu/pinctrl-dove.c @@ -784,8 +784,7 @@ static int dove_pinctrl_probe(struct platform_device *pdev) } clk_prepare_enable(clk); - mpp_res = platform_get_resource(pdev, IORESOURCE_MEM, 0); - base = devm_ioremap_resource(&pdev->dev, mpp_res); + base = devm_platform_get_and_ioremap_resource(pdev, 0, &mpp_res); if (IS_ERR(base)) return PTR_ERR(base); From 88ba7cd9f48279cc956683a554c967a230d56656 Mon Sep 17 00:00:00 2001 From: Yang Yingliang Date: Mon, 19 Aug 2024 10:46:25 +0800 Subject: [PATCH 172/649] pinctrl: single: fix missing error code in pcs_probe() [ Upstream commit cacd8cf79d7823b07619865e994a7916fcc8ae91 ] If pinctrl_enable() fails in pcs_probe(), it should return the error code. Fixes: 8f773bfbdd42 ("pinctrl: single: fix possible memory leak when pinctrl_enable() fails") Signed-off-by: Yang Yingliang Link: https://lore.kernel.org/20240819024625.154441-1-yangyingliang@huaweicloud.com Signed-off-by: Linus Walleij Signed-off-by: Sasha Levin --- drivers/pinctrl/pinctrl-single.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/drivers/pinctrl/pinctrl-single.c b/drivers/pinctrl/pinctrl-single.c index 5b76594b535c..22fd7ebd5cf3 100644 --- a/drivers/pinctrl/pinctrl-single.c +++ b/drivers/pinctrl/pinctrl-single.c @@ -1923,7 +1923,8 @@ static int pcs_probe(struct platform_device *pdev) dev_info(pcs->dev, "%i pins, size %u\n", pcs->desc.npins, pcs->size); - if (pinctrl_enable(pcs->pctl)) + ret = pinctrl_enable(pcs->pctl); + if (ret) goto free; return 0; From 5353f8ec59f730be5d754a30aad8d586fc148f19 Mon Sep 17 00:00:00 2001 From: Wang Jianzheng Date: Thu, 29 Aug 2024 14:48:23 +0800 Subject: [PATCH 173/649] pinctrl: mvebu: Fix devinit_dove_pinctrl_probe function [ Upstream commit c25478419f6fd3f74c324a21ec007cf14f2688d7 ] When an error occurs during the execution of the function __devinit_dove_pinctrl_probe, the clk is not properly disabled. Fix this by calling clk_disable_unprepare before return. Fixes: ba607b6238a1 ("pinctrl: mvebu: make pdma clock on dove mandatory") Signed-off-by: Wang Jianzheng Link: https://lore.kernel.org/20240829064823.19808-1-wangjianzheng@vivo.com Signed-off-by: Linus Walleij Signed-off-by: Sasha Levin --- drivers/pinctrl/mvebu/pinctrl-dove.c | 42 +++++++++++++++++++--------- 1 file changed, 29 insertions(+), 13 deletions(-) diff --git a/drivers/pinctrl/mvebu/pinctrl-dove.c b/drivers/pinctrl/mvebu/pinctrl-dove.c index bd74daa9ed66..c84326dfe371 100644 --- a/drivers/pinctrl/mvebu/pinctrl-dove.c +++ b/drivers/pinctrl/mvebu/pinctrl-dove.c @@ -769,7 +769,7 @@ static int dove_pinctrl_probe(struct platform_device *pdev) of_match_device(dove_pinctrl_of_match, &pdev->dev); struct mvebu_mpp_ctrl_data *mpp_data; void __iomem *base; - int i; + int i, ret; pdev->dev.platform_data = (void *)match->data; @@ -785,13 +785,17 @@ static int dove_pinctrl_probe(struct platform_device *pdev) clk_prepare_enable(clk); base = devm_platform_get_and_ioremap_resource(pdev, 0, &mpp_res); - if (IS_ERR(base)) - return PTR_ERR(base); + if (IS_ERR(base)) { + ret = PTR_ERR(base); + goto err_probe; + } mpp_data = devm_kcalloc(&pdev->dev, dove_pinctrl_info.ncontrols, sizeof(*mpp_data), GFP_KERNEL); - if (!mpp_data) - return -ENOMEM; + if (!mpp_data) { + ret = -ENOMEM; + goto err_probe; + } dove_pinctrl_info.control_data = mpp_data; for (i = 0; i < ARRAY_SIZE(dove_mpp_controls); i++) @@ -810,8 +814,10 @@ static int dove_pinctrl_probe(struct platform_device *pdev) } mpp4_base = devm_ioremap_resource(&pdev->dev, res); - if (IS_ERR(mpp4_base)) - return PTR_ERR(mpp4_base); + if (IS_ERR(mpp4_base)) { + ret = PTR_ERR(mpp4_base); + goto err_probe; + } res = platform_get_resource(pdev, IORESOURCE_MEM, 2); if (!res) { @@ -822,8 +828,10 @@ static int dove_pinctrl_probe(struct platform_device *pdev) } pmu_base = devm_ioremap_resource(&pdev->dev, res); - if (IS_ERR(pmu_base)) - return PTR_ERR(pmu_base); + if (IS_ERR(pmu_base)) { + ret = PTR_ERR(pmu_base); + goto err_probe; + } gconfmap = syscon_regmap_lookup_by_compatible("marvell,dove-global-config"); if (IS_ERR(gconfmap)) { @@ -833,12 +841,17 @@ static int dove_pinctrl_probe(struct platform_device *pdev) adjust_resource(&fb_res, (mpp_res->start & INT_REGS_MASK) + GC_REGS_OFFS, 0x14); gc_base = devm_ioremap_resource(&pdev->dev, &fb_res); - if (IS_ERR(gc_base)) - return PTR_ERR(gc_base); + if (IS_ERR(gc_base)) { + ret = PTR_ERR(gc_base); + goto err_probe; + } + gconfmap = devm_regmap_init_mmio(&pdev->dev, gc_base, &gc_regmap_config); - if (IS_ERR(gconfmap)) - return PTR_ERR(gconfmap); + if (IS_ERR(gconfmap)) { + ret = PTR_ERR(gconfmap); + goto err_probe; + } } /* Warn on any missing DT resource */ @@ -846,6 +859,9 @@ static int dove_pinctrl_probe(struct platform_device *pdev) dev_warn(&pdev->dev, FW_BUG "Missing pinctrl regs in DTB. Please update your firmware.\n"); return mvebu_pinctrl_probe(pdev); +err_probe: + clk_disable_unprepare(clk); + return ret; } static struct platform_driver dove_pinctrl_driver = { From 0ce9d89343c24313307cd4d41305dfac39e6398b Mon Sep 17 00:00:00 2001 From: David Lechner Date: Mon, 26 Aug 2024 10:35:29 -0500 Subject: [PATCH 174/649] clk: ti: dra7-atl: Fix leak of of_nodes [ Upstream commit 9d6e9f10e2e031fb7bfb3030a7d1afc561a28fea ] This fix leaking the of_node references in of_dra7_atl_clk_probe(). The docs for of_parse_phandle_with_args() say that the caller must call of_node_put() on the returned node. This adds the missing of_node_put() to fix the leak. Fixes: 9ac33b0ce81f ("CLK: TI: Driver for DRA7 ATL (Audio Tracking Logic)") Signed-off-by: David Lechner Link: https://lore.kernel.org/r/20240826-clk-fix-leak-v1-1-f55418a13aa6@baylibre.com Signed-off-by: Stephen Boyd Signed-off-by: Sasha Levin --- drivers/clk/ti/clk-dra7-atl.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/clk/ti/clk-dra7-atl.c b/drivers/clk/ti/clk-dra7-atl.c index 62508e74a47a..fc266c0ab629 100644 --- a/drivers/clk/ti/clk-dra7-atl.c +++ b/drivers/clk/ti/clk-dra7-atl.c @@ -258,6 +258,7 @@ static int of_dra7_atl_clk_probe(struct platform_device *pdev) } clk = of_clk_get_from_provider(&clkspec); + of_node_put(clkspec.np); if (IS_ERR(clk)) { pr_err("%s: failed to get atl clock %d from provider\n", __func__, i); From 2a2894e90cecfa556bafbe192197a646f62f6730 Mon Sep 17 00:00:00 2001 From: Jonas Blixt Date: Thu, 1 Aug 2024 14:18:45 +0200 Subject: [PATCH 175/649] watchdog: imx_sc_wdt: Don't disable WDT in suspend [ Upstream commit 2d9d6d300fb0a4ae4431bb308027ac9385746d42 ] Parts of the suspend and resume chain is left unprotected if we disable the WDT here. >From experiments we can see that the SCU disables and re-enables the WDT when we enter and leave suspend to ram. By not touching the WDT here we are protected by the WDT all the way to the SCU. Signed-off-by: Jonas Blixt CC: Anson Huang Fixes: 986857acbc9a ("watchdog: imx_sc: Add i.MX system controller watchdog support") Reviewed-by: Guenter Roeck Link: https://lore.kernel.org/r/20240801121845.1465765-1-jonas.blixt@actia.se Signed-off-by: Guenter Roeck Signed-off-by: Wim Van Sebroeck Signed-off-by: Sasha Levin --- drivers/watchdog/imx_sc_wdt.c | 24 ------------------------ 1 file changed, 24 deletions(-) diff --git a/drivers/watchdog/imx_sc_wdt.c b/drivers/watchdog/imx_sc_wdt.c index 8ac021748d16..79649b0e89e4 100644 --- a/drivers/watchdog/imx_sc_wdt.c +++ b/drivers/watchdog/imx_sc_wdt.c @@ -213,29 +213,6 @@ static int imx_sc_wdt_probe(struct platform_device *pdev) return devm_watchdog_register_device(dev, wdog); } -static int __maybe_unused imx_sc_wdt_suspend(struct device *dev) -{ - struct imx_sc_wdt_device *imx_sc_wdd = dev_get_drvdata(dev); - - if (watchdog_active(&imx_sc_wdd->wdd)) - imx_sc_wdt_stop(&imx_sc_wdd->wdd); - - return 0; -} - -static int __maybe_unused imx_sc_wdt_resume(struct device *dev) -{ - struct imx_sc_wdt_device *imx_sc_wdd = dev_get_drvdata(dev); - - if (watchdog_active(&imx_sc_wdd->wdd)) - imx_sc_wdt_start(&imx_sc_wdd->wdd); - - return 0; -} - -static SIMPLE_DEV_PM_OPS(imx_sc_wdt_pm_ops, - imx_sc_wdt_suspend, imx_sc_wdt_resume); - static const struct of_device_id imx_sc_wdt_dt_ids[] = { { .compatible = "fsl,imx-sc-wdt", }, { /* sentinel */ } @@ -247,7 +224,6 @@ static struct platform_driver imx_sc_wdt_driver = { .driver = { .name = "imx-sc-wdt", .of_match_table = imx_sc_wdt_dt_ids, - .pm = &imx_sc_wdt_pm_ops, }, }; module_platform_driver(imx_sc_wdt_driver); From d06fbe0b87039060b0782dc2a93c21cc60e7d30d Mon Sep 17 00:00:00 2001 From: Xi Wang Date: Fri, 5 Feb 2021 17:39:25 +0800 Subject: [PATCH 176/649] RDMA/hns: Add mapped page count checking for MTR [ Upstream commit 9ea9a53ea93be1cc66729ceb920f0d07285d6bfd ] Add the mapped page count checking flow to avoid invalid page size when creating MTR. Fixes: 38389eaa4db1 ("RDMA/hns: Add mtr support for mixed multihop addressing") Link: https://lore.kernel.org/r/1612517974-31867-4-git-send-email-liweihang@huawei.com Signed-off-by: Xi Wang Signed-off-by: Weihang Li Signed-off-by: Jason Gunthorpe Stable-dep-of: d586628b169d ("RDMA/hns: Fix the overflow risk of hem_list_calc_ba_range()") Signed-off-by: Sasha Levin --- drivers/infiniband/hw/hns/hns_roce_hem.c | 9 ++-- drivers/infiniband/hw/hns/hns_roce_mr.c | 56 ++++++++++++++---------- 2 files changed, 40 insertions(+), 25 deletions(-) diff --git a/drivers/infiniband/hw/hns/hns_roce_hem.c b/drivers/infiniband/hw/hns/hns_roce_hem.c index 854b41c14774..fa920a7621ee 100644 --- a/drivers/infiniband/hw/hns/hns_roce_hem.c +++ b/drivers/infiniband/hw/hns/hns_roce_hem.c @@ -981,9 +981,8 @@ static struct roce_hem_item *hem_list_alloc_item(struct hns_roce_dev *hr_dev, return NULL; if (exist_bt) { - hem->addr = dma_alloc_coherent(hr_dev->dev, - count * BA_BYTE_LEN, - &hem->dma_addr, GFP_KERNEL); + hem->addr = dma_alloc_coherent(hr_dev->dev, count * BA_BYTE_LEN, + &hem->dma_addr, GFP_KERNEL); if (!hem->addr) { kfree(hem); return NULL; @@ -1242,6 +1241,10 @@ static int hem_list_alloc_root_bt(struct hns_roce_dev *hr_dev, if (ba_num < 1) return -ENOMEM; + if (ba_num > unit) + return -ENOBUFS; + + ba_num = min_t(int, ba_num, unit); INIT_LIST_HEAD(&temp_root); offset = r->offset; /* indicate to last region */ diff --git a/drivers/infiniband/hw/hns/hns_roce_mr.c b/drivers/infiniband/hw/hns/hns_roce_mr.c index 7e93c9b4a33f..5fad718cfdbe 100644 --- a/drivers/infiniband/hw/hns/hns_roce_mr.c +++ b/drivers/infiniband/hw/hns/hns_roce_mr.c @@ -633,30 +633,26 @@ int hns_roce_dealloc_mw(struct ib_mw *ibmw) } static int mtr_map_region(struct hns_roce_dev *hr_dev, struct hns_roce_mtr *mtr, - dma_addr_t *pages, struct hns_roce_buf_region *region) + struct hns_roce_buf_region *region, dma_addr_t *pages, + int max_count) { + int count, npage; + int offset, end; __le64 *mtts; - int offset; - int count; - int npage; u64 addr; - int end; int i; - /* if hopnum is 0, buffer cannot store BAs, so skip write mtt */ - if (!region->hopnum) - return 0; - offset = region->offset; end = offset + region->count; npage = 0; - while (offset < end) { + while (offset < end && npage < max_count) { + count = 0; mtts = hns_roce_hem_list_find_mtt(hr_dev, &mtr->hem_list, offset, &count, NULL); if (!mtts) return -ENOBUFS; - for (i = 0; i < count; i++) { + for (i = 0; i < count && npage < max_count; i++) { if (hr_dev->hw_rev == HNS_ROCE_HW_VER1) addr = to_hr_hw_page_addr(pages[npage]); else @@ -668,7 +664,7 @@ static int mtr_map_region(struct hns_roce_dev *hr_dev, struct hns_roce_mtr *mtr, offset += count; } - return 0; + return npage; } static inline bool mtr_has_mtt(struct hns_roce_buf_attr *attr) @@ -835,8 +831,8 @@ int hns_roce_mtr_map(struct hns_roce_dev *hr_dev, struct hns_roce_mtr *mtr, { struct ib_device *ibdev = &hr_dev->ib_dev; struct hns_roce_buf_region *r; - unsigned int i; - int err; + unsigned int i, mapped_cnt; + int ret; /* * Only use the first page address as root ba when hopnum is 0, this @@ -847,26 +843,42 @@ int hns_roce_mtr_map(struct hns_roce_dev *hr_dev, struct hns_roce_mtr *mtr, return 0; } - for (i = 0; i < mtr->hem_cfg.region_count; i++) { + for (i = 0, mapped_cnt = 0; i < mtr->hem_cfg.region_count && + mapped_cnt < page_cnt; i++) { r = &mtr->hem_cfg.region[i]; + /* if hopnum is 0, no need to map pages in this region */ + if (!r->hopnum) { + mapped_cnt += r->count; + continue; + } + if (r->offset + r->count > page_cnt) { - err = -EINVAL; + ret = -EINVAL; ibdev_err(ibdev, "failed to check mtr%u end %u + %u, max %u.\n", i, r->offset, r->count, page_cnt); - return err; + return ret; } - err = mtr_map_region(hr_dev, mtr, &pages[r->offset], r); - if (err) { + ret = mtr_map_region(hr_dev, mtr, r, &pages[r->offset], + page_cnt - mapped_cnt); + if (ret < 0) { ibdev_err(ibdev, "failed to map mtr%u offset %u, ret = %d.\n", - i, r->offset, err); - return err; + i, r->offset, ret); + return ret; } + mapped_cnt += ret; + ret = 0; } - return 0; + if (mapped_cnt < page_cnt) { + ret = -ENOBUFS; + ibdev_err(ibdev, "failed to map mtr pages count: %u < %u.\n", + mapped_cnt, page_cnt); + } + + return ret; } int hns_roce_mtr_find(struct hns_roce_dev *hr_dev, struct hns_roce_mtr *mtr, From 6258c4fb8d333908f67a19ce93820afe44cb7c34 Mon Sep 17 00:00:00 2001 From: Xi Wang Date: Fri, 21 May 2021 17:29:52 +0800 Subject: [PATCH 177/649] RDMA/hns: Refactor root BT allocation for MTR [ Upstream commit 1f704d8cc07269f31daf9bdafe84882ad7596a2c ] Split the hem_list_alloc_root_bt() into serval small functions to make the code flow more clear. Link: https://lore.kernel.org/r/1621589395-2435-3-git-send-email-liweihang@huawei.com Signed-off-by: Xi Wang Signed-off-by: Weihang Li Signed-off-by: Jason Gunthorpe Stable-dep-of: d586628b169d ("RDMA/hns: Fix the overflow risk of hem_list_calc_ba_range()") Signed-off-by: Sasha Levin --- drivers/infiniband/hw/hns/hns_roce_hem.c | 232 ++++++++++++++--------- 1 file changed, 147 insertions(+), 85 deletions(-) diff --git a/drivers/infiniband/hw/hns/hns_roce_hem.c b/drivers/infiniband/hw/hns/hns_roce_hem.c index fa920a7621ee..120d299bfe2e 100644 --- a/drivers/infiniband/hw/hns/hns_roce_hem.c +++ b/drivers/infiniband/hw/hns/hns_roce_hem.c @@ -959,7 +959,7 @@ void hns_roce_cleanup_hem(struct hns_roce_dev *hr_dev) hns_roce_cleanup_hem_table(hr_dev, &hr_dev->mr_table.mtpt_table); } -struct roce_hem_item { +struct hns_roce_hem_item { struct list_head list; /* link all hems in the same bt level */ struct list_head sibling; /* link all hems in last hop for mtt */ void *addr; @@ -969,12 +969,18 @@ struct roce_hem_item { int end; /* end buf offset in this hem */ }; -static struct roce_hem_item *hem_list_alloc_item(struct hns_roce_dev *hr_dev, - int start, int end, - int count, bool exist_bt, - int bt_level) +/* All HEM items are linked in a tree structure */ +struct hns_roce_hem_head { + struct list_head branch[HNS_ROCE_MAX_BT_REGION]; + struct list_head root; + struct list_head leaf; +}; + +static struct hns_roce_hem_item * +hem_list_alloc_item(struct hns_roce_dev *hr_dev, int start, int end, int count, + bool exist_bt, int bt_level) { - struct roce_hem_item *hem; + struct hns_roce_hem_item *hem; hem = kzalloc(sizeof(*hem), GFP_KERNEL); if (!hem) @@ -999,7 +1005,7 @@ static struct roce_hem_item *hem_list_alloc_item(struct hns_roce_dev *hr_dev, } static void hem_list_free_item(struct hns_roce_dev *hr_dev, - struct roce_hem_item *hem, bool exist_bt) + struct hns_roce_hem_item *hem, bool exist_bt) { if (exist_bt) dma_free_coherent(hr_dev->dev, hem->count * BA_BYTE_LEN, @@ -1010,7 +1016,7 @@ static void hem_list_free_item(struct hns_roce_dev *hr_dev, static void hem_list_free_all(struct hns_roce_dev *hr_dev, struct list_head *head, bool exist_bt) { - struct roce_hem_item *hem, *temp_hem; + struct hns_roce_hem_item *hem, *temp_hem; list_for_each_entry_safe(hem, temp_hem, head, list) { list_del(&hem->list); @@ -1026,24 +1032,24 @@ static void hem_list_link_bt(struct hns_roce_dev *hr_dev, void *base_addr, /* assign L0 table address to hem from root bt */ static void hem_list_assign_bt(struct hns_roce_dev *hr_dev, - struct roce_hem_item *hem, void *cpu_addr, + struct hns_roce_hem_item *hem, void *cpu_addr, u64 phy_addr) { hem->addr = cpu_addr; hem->dma_addr = (dma_addr_t)phy_addr; } -static inline bool hem_list_page_is_in_range(struct roce_hem_item *hem, +static inline bool hem_list_page_is_in_range(struct hns_roce_hem_item *hem, int offset) { return (hem->start <= offset && offset <= hem->end); } -static struct roce_hem_item *hem_list_search_item(struct list_head *ba_list, - int page_offset) +static struct hns_roce_hem_item *hem_list_search_item(struct list_head *ba_list, + int page_offset) { - struct roce_hem_item *hem, *temp_hem; - struct roce_hem_item *found = NULL; + struct hns_roce_hem_item *hem, *temp_hem; + struct hns_roce_hem_item *found = NULL; list_for_each_entry_safe(hem, temp_hem, ba_list, list) { if (hem_list_page_is_in_range(hem, page_offset)) { @@ -1133,9 +1139,9 @@ static int hem_list_alloc_mid_bt(struct hns_roce_dev *hr_dev, int offset, struct list_head *mid_bt, struct list_head *btm_bt) { - struct roce_hem_item *hem_ptrs[HNS_ROCE_MAX_BT_LEVEL] = { NULL }; + struct hns_roce_hem_item *hem_ptrs[HNS_ROCE_MAX_BT_LEVEL] = { NULL }; struct list_head temp_list[HNS_ROCE_MAX_BT_LEVEL]; - struct roce_hem_item *cur, *pre; + struct hns_roce_hem_item *cur, *pre; const int hopnum = r->hopnum; int start_aligned; int distance; @@ -1213,56 +1219,96 @@ static int hem_list_alloc_mid_bt(struct hns_roce_dev *hr_dev, return ret; } -static int hem_list_alloc_root_bt(struct hns_roce_dev *hr_dev, - struct hns_roce_hem_list *hem_list, int unit, - const struct hns_roce_buf_region *regions, - int region_cnt) +static struct hns_roce_hem_item * +alloc_root_hem(struct hns_roce_dev *hr_dev, int unit, int *max_ba_num, + const struct hns_roce_buf_region *regions, int region_cnt) { - struct list_head temp_list[HNS_ROCE_MAX_BT_REGION]; - struct roce_hem_item *hem, *temp_hem, *root_hem; const struct hns_roce_buf_region *r; - struct list_head temp_root; - struct list_head temp_btm; - void *cpu_base; - u64 phy_base; - int ret = 0; + struct hns_roce_hem_item *hem; int ba_num; int offset; - int total; - int step; - int i; - - r = ®ions[0]; - root_hem = hem_list_search_item(&hem_list->root_bt, r->offset); - if (root_hem) - return 0; ba_num = hns_roce_hem_list_calc_root_ba(regions, region_cnt, unit); if (ba_num < 1) - return -ENOMEM; + return ERR_PTR(-ENOMEM); if (ba_num > unit) - return -ENOBUFS; + return ERR_PTR(-ENOBUFS); - ba_num = min_t(int, ba_num, unit); - INIT_LIST_HEAD(&temp_root); - offset = r->offset; + offset = regions[0].offset; /* indicate to last region */ r = ®ions[region_cnt - 1]; - root_hem = hem_list_alloc_item(hr_dev, offset, r->offset + r->count - 1, - ba_num, true, 0); + hem = hem_list_alloc_item(hr_dev, offset, r->offset + r->count - 1, + ba_num, true, 0); + if (!hem) + return ERR_PTR(-ENOMEM); + + *max_ba_num = ba_num; + + return hem; +} + +static int alloc_fake_root_bt(struct hns_roce_dev *hr_dev, void *cpu_base, + u64 phy_base, const struct hns_roce_buf_region *r, + struct list_head *branch_head, + struct list_head *leaf_head) +{ + struct hns_roce_hem_item *hem; + + hem = hem_list_alloc_item(hr_dev, r->offset, r->offset + r->count - 1, + r->count, false, 0); + if (!hem) + return -ENOMEM; + + hem_list_assign_bt(hr_dev, hem, cpu_base, phy_base); + list_add(&hem->list, branch_head); + list_add(&hem->sibling, leaf_head); + + return r->count; +} + +static int setup_middle_bt(struct hns_roce_dev *hr_dev, void *cpu_base, + int unit, const struct hns_roce_buf_region *r, + const struct list_head *branch_head) +{ + struct hns_roce_hem_item *hem, *temp_hem; + int total = 0; + int offset; + int step; + + step = hem_list_calc_ba_range(r->hopnum, 1, unit); + if (step < 1) + return -EINVAL; + + /* if exist mid bt, link L1 to L0 */ + list_for_each_entry_safe(hem, temp_hem, branch_head, list) { + offset = (hem->start - r->offset) / step * BA_BYTE_LEN; + hem_list_link_bt(hr_dev, cpu_base + offset, hem->dma_addr); + total++; + } + + return total; +} + +static int +setup_root_hem(struct hns_roce_dev *hr_dev, struct hns_roce_hem_list *hem_list, + int unit, int max_ba_num, struct hns_roce_hem_head *head, + const struct hns_roce_buf_region *regions, int region_cnt) +{ + const struct hns_roce_buf_region *r; + struct hns_roce_hem_item *root_hem; + void *cpu_base; + u64 phy_base; + int i, total; + int ret; + + root_hem = list_first_entry(&head->root, + struct hns_roce_hem_item, list); if (!root_hem) return -ENOMEM; - list_add(&root_hem->list, &temp_root); - - hem_list->root_ba = root_hem->dma_addr; - - INIT_LIST_HEAD(&temp_btm); - for (i = 0; i < region_cnt; i++) - INIT_LIST_HEAD(&temp_list[i]); total = 0; - for (i = 0; i < region_cnt && total < ba_num; i++) { + for (i = 0; i < region_cnt && total < max_ba_num; i++) { r = ®ions[i]; if (!r->count) continue; @@ -1274,48 +1320,64 @@ static int hem_list_alloc_root_bt(struct hns_roce_dev *hr_dev, /* if hopnum is 0 or 1, cut a new fake hem from the root bt * which's address share to all regions. */ - if (hem_list_is_bottom_bt(r->hopnum, 0)) { - hem = hem_list_alloc_item(hr_dev, r->offset, - r->offset + r->count - 1, - r->count, false, 0); - if (!hem) { - ret = -ENOMEM; - goto err_exit; - } - hem_list_assign_bt(hr_dev, hem, cpu_base, phy_base); - list_add(&hem->list, &temp_list[i]); - list_add(&hem->sibling, &temp_btm); - total += r->count; - } else { - step = hem_list_calc_ba_range(r->hopnum, 1, unit); - if (step < 1) { - ret = -EINVAL; - goto err_exit; - } - /* if exist mid bt, link L1 to L0 */ - list_for_each_entry_safe(hem, temp_hem, - &hem_list->mid_bt[i][1], list) { - offset = (hem->start - r->offset) / step * - BA_BYTE_LEN; - hem_list_link_bt(hr_dev, cpu_base + offset, - hem->dma_addr); - total++; - } - } + if (hem_list_is_bottom_bt(r->hopnum, 0)) + ret = alloc_fake_root_bt(hr_dev, cpu_base, phy_base, r, + &head->branch[i], &head->leaf); + else + ret = setup_middle_bt(hr_dev, cpu_base, unit, r, + &hem_list->mid_bt[i][1]); + + if (ret < 0) + return ret; + + total += ret; } - list_splice(&temp_btm, &hem_list->btm_bt); - list_splice(&temp_root, &hem_list->root_bt); + list_splice(&head->leaf, &hem_list->btm_bt); + list_splice(&head->root, &hem_list->root_bt); for (i = 0; i < region_cnt; i++) - list_splice(&temp_list[i], &hem_list->mid_bt[i][0]); + list_splice(&head->branch[i], &hem_list->mid_bt[i][0]); return 0; +} -err_exit: +static int hem_list_alloc_root_bt(struct hns_roce_dev *hr_dev, + struct hns_roce_hem_list *hem_list, int unit, + const struct hns_roce_buf_region *regions, + int region_cnt) +{ + struct hns_roce_hem_item *root_hem; + struct hns_roce_hem_head head; + int max_ba_num; + int ret; + int i; + + root_hem = hem_list_search_item(&hem_list->root_bt, regions[0].offset); + if (root_hem) + return 0; + + max_ba_num = 0; + root_hem = alloc_root_hem(hr_dev, unit, &max_ba_num, regions, + region_cnt); + if (IS_ERR(root_hem)) + return PTR_ERR(root_hem); + + /* List head for storing all allocated HEM items */ + INIT_LIST_HEAD(&head.root); + INIT_LIST_HEAD(&head.leaf); for (i = 0; i < region_cnt; i++) - hem_list_free_all(hr_dev, &temp_list[i], false); + INIT_LIST_HEAD(&head.branch[i]); - hem_list_free_all(hr_dev, &temp_root, true); + hem_list->root_ba = root_hem->dma_addr; + list_add(&root_hem->list, &head.root); + ret = setup_root_hem(hr_dev, hem_list, unit, max_ba_num, &head, regions, + region_cnt); + if (ret) { + for (i = 0; i < region_cnt; i++) + hem_list_free_all(hr_dev, &head.branch[i], false); + + hem_list_free_all(hr_dev, &head.root, true); + } return ret; } @@ -1401,7 +1463,7 @@ void *hns_roce_hem_list_find_mtt(struct hns_roce_dev *hr_dev, int offset, int *mtt_cnt, u64 *phy_addr) { struct list_head *head = &hem_list->btm_bt; - struct roce_hem_item *hem, *temp_hem; + struct hns_roce_hem_item *hem, *temp_hem; void *cpu_base = NULL; u64 phy_base = 0; int nr = 0; From 1e6195dc7aca1a18b12cb7adbc8de87de88ef1ec Mon Sep 17 00:00:00 2001 From: wenglianfa Date: Fri, 6 Sep 2024 17:34:39 +0800 Subject: [PATCH 178/649] RDMA/hns: Fix the overflow risk of hem_list_calc_ba_range() [ Upstream commit d586628b169d14bbf36be64d2b3ec9d9d2fe0432 ] The max value of 'unit' and 'hop_num' is 2^24 and 2, so the value of 'step' may exceed the range of u32. Change the type of 'step' to u64. Fixes: 38389eaa4db1 ("RDMA/hns: Add mtr support for mixed multihop addressing") Signed-off-by: wenglianfa Signed-off-by: Junxian Huang Link: https://patch.msgid.link/20240906093444.3571619-5-huangjunxian6@hisilicon.com Signed-off-by: Leon Romanovsky Signed-off-by: Sasha Levin --- drivers/infiniband/hw/hns/hns_roce_hem.c | 12 ++++++------ 1 file changed, 6 insertions(+), 6 deletions(-) diff --git a/drivers/infiniband/hw/hns/hns_roce_hem.c b/drivers/infiniband/hw/hns/hns_roce_hem.c index 120d299bfe2e..6c875ffed83a 100644 --- a/drivers/infiniband/hw/hns/hns_roce_hem.c +++ b/drivers/infiniband/hw/hns/hns_roce_hem.c @@ -1079,9 +1079,9 @@ static bool hem_list_is_bottom_bt(int hopnum, int bt_level) * @bt_level: base address table level * @unit: ba entries per bt page */ -static u32 hem_list_calc_ba_range(int hopnum, int bt_level, int unit) +static u64 hem_list_calc_ba_range(int hopnum, int bt_level, int unit) { - u32 step; + u64 step; int max; int i; @@ -1117,7 +1117,7 @@ int hns_roce_hem_list_calc_root_ba(const struct hns_roce_buf_region *regions, { struct hns_roce_buf_region *r; int total = 0; - int step; + u64 step; int i; for (i = 0; i < region_cnt; i++) { @@ -1148,7 +1148,7 @@ static int hem_list_alloc_mid_bt(struct hns_roce_dev *hr_dev, int ret = 0; int max_ofs; int level; - u32 step; + u64 step; int end; if (hopnum <= 1) @@ -1185,7 +1185,7 @@ static int hem_list_alloc_mid_bt(struct hns_roce_dev *hr_dev, } start_aligned = (distance / step) * step + r->offset; - end = min_t(int, start_aligned + step - 1, max_ofs); + end = min_t(u64, start_aligned + step - 1, max_ofs); cur = hem_list_alloc_item(hr_dev, start_aligned, end, unit, true, level); if (!cur) { @@ -1274,7 +1274,7 @@ static int setup_middle_bt(struct hns_roce_dev *hr_dev, void *cpu_base, struct hns_roce_hem_item *hem, *temp_hem; int total = 0; int offset; - int step; + u64 step; step = hem_list_calc_ba_range(r->hopnum, 1, unit); if (step < 1) From 07f0f643d7e570dbe8ef6f5c3367a43e3086a335 Mon Sep 17 00:00:00 2001 From: Chengchang Tang Date: Fri, 6 Sep 2024 17:34:40 +0800 Subject: [PATCH 179/649] RDMA/hns: Fix spin_unlock_irqrestore() called with IRQs enabled [ Upstream commit 74d315b5af180220d561684d15897730135733a6 ] Fix missuse of spin_lock_irq()/spin_unlock_irq() when spin_lock_irqsave()/spin_lock_irqrestore() was hold. This was discovered through the lock debugging, and the corresponding log is as follows: raw_local_irq_restore() called with IRQs enabled WARNING: CPU: 96 PID: 2074 at kernel/locking/irqflag-debug.c:10 warn_bogus_irq_restore+0x30/0x40 ... Call trace: warn_bogus_irq_restore+0x30/0x40 _raw_spin_unlock_irqrestore+0x84/0xc8 add_qp_to_list+0x11c/0x148 [hns_roce_hw_v2] hns_roce_create_qp_common.constprop.0+0x240/0x780 [hns_roce_hw_v2] hns_roce_create_qp+0x98/0x160 [hns_roce_hw_v2] create_qp+0x138/0x258 ib_create_qp_kernel+0x50/0xe8 create_mad_qp+0xa8/0x128 ib_mad_port_open+0x218/0x448 ib_mad_init_device+0x70/0x1f8 add_client_context+0xfc/0x220 enable_device_and_get+0xd0/0x140 ib_register_device.part.0+0xf4/0x1c8 ib_register_device+0x34/0x50 hns_roce_register_device+0x174/0x3d0 [hns_roce_hw_v2] hns_roce_init+0xfc/0x2c0 [hns_roce_hw_v2] __hns_roce_hw_v2_init_instance+0x7c/0x1d0 [hns_roce_hw_v2] hns_roce_hw_v2_init_instance+0x9c/0x180 [hns_roce_hw_v2] Fixes: 9a4435375cd1 ("IB/hns: Add driver files for hns RoCE driver") Signed-off-by: Chengchang Tang Signed-off-by: Junxian Huang Link: https://patch.msgid.link/20240906093444.3571619-6-huangjunxian6@hisilicon.com Signed-off-by: Leon Romanovsky Signed-off-by: Sasha Levin --- drivers/infiniband/hw/hns/hns_roce_qp.c | 16 ++++++++-------- 1 file changed, 8 insertions(+), 8 deletions(-) diff --git a/drivers/infiniband/hw/hns/hns_roce_qp.c b/drivers/infiniband/hw/hns/hns_roce_qp.c index 1a6de9a9e57c..0cd2f778cdff 100644 --- a/drivers/infiniband/hw/hns/hns_roce_qp.c +++ b/drivers/infiniband/hw/hns/hns_roce_qp.c @@ -1287,19 +1287,19 @@ void hns_roce_lock_cqs(struct hns_roce_cq *send_cq, struct hns_roce_cq *recv_cq) __acquire(&send_cq->lock); __acquire(&recv_cq->lock); } else if (unlikely(send_cq != NULL && recv_cq == NULL)) { - spin_lock_irq(&send_cq->lock); + spin_lock(&send_cq->lock); __acquire(&recv_cq->lock); } else if (unlikely(send_cq == NULL && recv_cq != NULL)) { - spin_lock_irq(&recv_cq->lock); + spin_lock(&recv_cq->lock); __acquire(&send_cq->lock); } else if (send_cq == recv_cq) { - spin_lock_irq(&send_cq->lock); + spin_lock(&send_cq->lock); __acquire(&recv_cq->lock); } else if (send_cq->cqn < recv_cq->cqn) { - spin_lock_irq(&send_cq->lock); + spin_lock(&send_cq->lock); spin_lock_nested(&recv_cq->lock, SINGLE_DEPTH_NESTING); } else { - spin_lock_irq(&recv_cq->lock); + spin_lock(&recv_cq->lock); spin_lock_nested(&send_cq->lock, SINGLE_DEPTH_NESTING); } } @@ -1319,13 +1319,13 @@ void hns_roce_unlock_cqs(struct hns_roce_cq *send_cq, spin_unlock(&recv_cq->lock); } else if (send_cq == recv_cq) { __release(&recv_cq->lock); - spin_unlock_irq(&send_cq->lock); + spin_unlock(&send_cq->lock); } else if (send_cq->cqn < recv_cq->cqn) { spin_unlock(&recv_cq->lock); - spin_unlock_irq(&send_cq->lock); + spin_unlock(&send_cq->lock); } else { spin_unlock(&send_cq->lock); - spin_unlock_irq(&recv_cq->lock); + spin_unlock(&recv_cq->lock); } } From 322911a2e666f5078ec1d5fbefc578fae28fe444 Mon Sep 17 00:00:00 2001 From: Junxian Huang Date: Fri, 6 Sep 2024 17:34:43 +0800 Subject: [PATCH 180/649] RDMA/hns: Optimize hem allocation performance [ Upstream commit fe51f6254d81f5a69c31df16353d6539b2b51630 ] When allocating MTT hem, for each hop level of each hem that is being allocated, the driver iterates the hem list to find out whether the bt page has been allocated in this hop level. If not, allocate a new one and splice it to the list. The time complexity is O(n^2) in worst cases. Currently the allocation for-loop uses 'unit' as the step size. This actually has taken into account the reuse of last-hop-level MTT bt pages by multiple buffer pages. Thus pages of last hop level will never have been allocated, so there is no need to iterate the hem list in last hop level. Removing this unnecessary iteration can reduce the time complexity to O(n). Fixes: 38389eaa4db1 ("RDMA/hns: Add mtr support for mixed multihop addressing") Signed-off-by: Junxian Huang Link: https://patch.msgid.link/20240906093444.3571619-9-huangjunxian6@hisilicon.com Signed-off-by: Leon Romanovsky Signed-off-by: Sasha Levin --- drivers/infiniband/hw/hns/hns_roce_hem.c | 10 ++++++---- 1 file changed, 6 insertions(+), 4 deletions(-) diff --git a/drivers/infiniband/hw/hns/hns_roce_hem.c b/drivers/infiniband/hw/hns/hns_roce_hem.c index 6c875ffed83a..61ec96b3a89d 100644 --- a/drivers/infiniband/hw/hns/hns_roce_hem.c +++ b/drivers/infiniband/hw/hns/hns_roce_hem.c @@ -1172,10 +1172,12 @@ static int hem_list_alloc_mid_bt(struct hns_roce_dev *hr_dev, /* config L1 bt to last bt and link them to corresponding parent */ for (level = 1; level < hopnum; level++) { - cur = hem_list_search_item(&mid_bt[level], offset); - if (cur) { - hem_ptrs[level] = cur; - continue; + if (!hem_list_is_bottom_bt(hopnum, level)) { + cur = hem_list_search_item(&mid_bt[level], offset); + if (cur) { + hem_ptrs[level] = cur; + continue; + } } step = hem_list_calc_ba_range(hopnum, level, unit); From 502dac909ee9392c12bdf19504126f6d051421c6 Mon Sep 17 00:00:00 2001 From: Jinjie Ruan Date: Mon, 8 Jul 2024 11:28:46 +0800 Subject: [PATCH 181/649] riscv: Fix fp alignment bug in perf_callchain_user() MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit [ Upstream commit 22ab08955ea13be04a8efd20cc30890e0afaa49c ] The standard RISC-V calling convention said: "The stack grows downward and the stack pointer is always kept 16-byte aligned". So perf_callchain_user() should check whether 16-byte aligned for fp. Link: https://riscv.org/wp-content/uploads/2015/01/riscv-calling.pdf Fixes: dbeb90b0c1eb ("riscv: Add perf callchain support") Signed-off-by: Jinjie Ruan Cc: Björn Töpel Link: https://lore.kernel.org/r/20240708032847.2998158-2-ruanjinjie@huawei.com Signed-off-by: Palmer Dabbelt Signed-off-by: Sasha Levin --- arch/riscv/kernel/perf_callchain.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/arch/riscv/kernel/perf_callchain.c b/arch/riscv/kernel/perf_callchain.c index fb02811df714..3c0a43cb1c33 100644 --- a/arch/riscv/kernel/perf_callchain.c +++ b/arch/riscv/kernel/perf_callchain.c @@ -71,7 +71,7 @@ void perf_callchain_user(struct perf_callchain_entry_ctx *entry, perf_callchain_store(entry, regs->epc); fp = user_backtrace(entry, fp, regs->ra); - while (fp && !(fp & 0x3) && entry->nr < entry->max_stack) + while (fp && !(fp & 0x7) && entry->nr < entry->max_stack) fp = user_backtrace(entry, fp, 0); } From dd598ac57dcae796cb58551074660c39b43fb155 Mon Sep 17 00:00:00 2001 From: Mikhail Lobanov Date: Thu, 12 Sep 2024 10:58:39 -0400 Subject: [PATCH 182/649] RDMA/cxgb4: Added NULL check for lookup_atid [ Upstream commit e766e6a92410ca269161de059fff0843b8ddd65f ] The lookup_atid() function can return NULL if the ATID is invalid or does not exist in the identifier table, which could lead to dereferencing a null pointer without a check in the `act_establish()` and `act_open_rpl()` functions. Add a NULL check to prevent null pointer dereferencing. Found by Linux Verification Center (linuxtesting.org) with SVACE. Fixes: cfdda9d76436 ("RDMA/cxgb4: Add driver for Chelsio T4 RNIC") Signed-off-by: Mikhail Lobanov Link: https://patch.msgid.link/20240912145844.77516-1-m.lobanov@rosalinux.ru Signed-off-by: Leon Romanovsky Signed-off-by: Sasha Levin --- drivers/infiniband/hw/cxgb4/cm.c | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/drivers/infiniband/hw/cxgb4/cm.c b/drivers/infiniband/hw/cxgb4/cm.c index 8c54b1be0442..95300b2e1ffe 100644 --- a/drivers/infiniband/hw/cxgb4/cm.c +++ b/drivers/infiniband/hw/cxgb4/cm.c @@ -1222,6 +1222,8 @@ static int act_establish(struct c4iw_dev *dev, struct sk_buff *skb) int ret; ep = lookup_atid(t, atid); + if (!ep) + return -EINVAL; pr_debug("ep %p tid %u snd_isn %u rcv_isn %u\n", ep, tid, be32_to_cpu(req->snd_isn), be32_to_cpu(req->rcv_isn)); @@ -2279,6 +2281,9 @@ static int act_open_rpl(struct c4iw_dev *dev, struct sk_buff *skb) int ret = 0; ep = lookup_atid(t, atid); + if (!ep) + return -EINVAL; + la = (struct sockaddr_in *)&ep->com.local_addr; ra = (struct sockaddr_in *)&ep->com.remote_addr; la6 = (struct sockaddr_in6 *)&ep->com.local_addr; From ef7e34237e2612b116a84c9640628a6f7a0d693e Mon Sep 17 00:00:00 2001 From: Jinjie Ruan Date: Thu, 31 Aug 2023 20:39:27 +0800 Subject: [PATCH 183/649] ntb: intel: Fix the NULL vs IS_ERR() bug for debugfs_create_dir() [ Upstream commit e229897d373a87ee09ec5cc4ecd4bb2f895fc16b ] The debugfs_create_dir() function returns error pointers. It never returns NULL. So use IS_ERR() to check it. Fixes: e26a5843f7f5 ("NTB: Split ntb_hw_intel and ntb_transport drivers") Signed-off-by: Jinjie Ruan Reviewed-by: Dave Jiang Signed-off-by: Jon Mason Signed-off-by: Sasha Levin --- drivers/ntb/hw/intel/ntb_hw_gen1.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/ntb/hw/intel/ntb_hw_gen1.c b/drivers/ntb/hw/intel/ntb_hw_gen1.c index 4f1add57d81d..16e34bb8e69e 100644 --- a/drivers/ntb/hw/intel/ntb_hw_gen1.c +++ b/drivers/ntb/hw/intel/ntb_hw_gen1.c @@ -778,7 +778,7 @@ static void ndev_init_debugfs(struct intel_ntb_dev *ndev) ndev->debugfs_dir = debugfs_create_dir(pci_name(ndev->ntb.pdev), debugfs_dir); - if (!ndev->debugfs_dir) + if (IS_ERR(ndev->debugfs_dir)) ndev->debugfs_info = NULL; else ndev->debugfs_info = From 40d57873549998c0cc8917330da4e53de809b09f Mon Sep 17 00:00:00 2001 From: Max Hawking Date: Sun, 8 Oct 2023 20:45:16 -0700 Subject: [PATCH 184/649] ntb_perf: Fix printk format [ Upstream commit 1501ae7479c8d0f66efdbfdc9ae8d6136cefbd37 ] The correct printk format is %pa or %pap, but not %pa[p]. Fixes: 99a06056124d ("NTB: ntb_perf: Fix address err in perf_copy_chunk") Signed-off-by: Max Hawking Signed-off-by: Jon Mason Signed-off-by: Sasha Levin --- drivers/ntb/test/ntb_perf.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/ntb/test/ntb_perf.c b/drivers/ntb/test/ntb_perf.c index 65e1e5cf1b29..5a7a02408166 100644 --- a/drivers/ntb/test/ntb_perf.c +++ b/drivers/ntb/test/ntb_perf.c @@ -1227,7 +1227,7 @@ static ssize_t perf_dbgfs_read_info(struct file *filep, char __user *ubuf, "\tOut buffer addr 0x%pK\n", peer->outbuf); pos += scnprintf(buf + pos, buf_size - pos, - "\tOut buff phys addr %pa[p]\n", &peer->out_phys_addr); + "\tOut buff phys addr %pap\n", &peer->out_phys_addr); pos += scnprintf(buf + pos, buf_size - pos, "\tOut buffer size %pa\n", &peer->outbuf_size); From 9f03f0016ff797932551881c7e06ae50e9c39134 Mon Sep 17 00:00:00 2001 From: Guoqing Jiang Date: Wed, 21 Aug 2024 22:03:18 +0800 Subject: [PATCH 185/649] nfsd: call cache_put if xdr_reserve_space returns NULL [ Upstream commit d078cbf5c38de83bc31f83c47dcd2184c04a50c7 ] If not enough buffer space available, but idmap_lookup has triggered lookup_fn which calls cache_get and returns successfully. Then we missed to call cache_put here which pairs with cache_get. Fixes: ddd1ea563672 ("nfsd4: use xdr_reserve_space in attribute encoding") Signed-off-by: Guoqing Jiang Reviwed-by: Jeff Layton Signed-off-by: Chuck Lever Signed-off-by: Sasha Levin --- fs/nfsd/nfs4idmap.c | 13 +++++++++---- 1 file changed, 9 insertions(+), 4 deletions(-) diff --git a/fs/nfsd/nfs4idmap.c b/fs/nfsd/nfs4idmap.c index 5e9809aff37e..717e400b16b8 100644 --- a/fs/nfsd/nfs4idmap.c +++ b/fs/nfsd/nfs4idmap.c @@ -581,6 +581,7 @@ static __be32 idmap_id_to_name(struct xdr_stream *xdr, .id = id, .type = type, }; + __be32 status = nfs_ok; __be32 *p; int ret; struct nfsd_net *nn = net_generic(SVC_NET(rqstp), nfsd_net_id); @@ -593,12 +594,16 @@ static __be32 idmap_id_to_name(struct xdr_stream *xdr, return nfserrno(ret); ret = strlen(item->name); WARN_ON_ONCE(ret > IDMAP_NAMESZ); + p = xdr_reserve_space(xdr, ret + 4); - if (!p) - return nfserr_resource; - p = xdr_encode_opaque(p, item->name, ret); + if (unlikely(!p)) { + status = nfserr_resource; + goto out_put; + } + xdr_encode_opaque(p, item->name, ret); +out_put: cache_put(&item->h, nn->idtoname_cache); - return 0; + return status; } static bool From 0f1d007bbea38a61cf9c5392708dc70ae9d84a3d Mon Sep 17 00:00:00 2001 From: Li Lingfeng Date: Tue, 3 Sep 2024 19:14:46 +0800 Subject: [PATCH 186/649] nfsd: return -EINVAL when namelen is 0 [ Upstream commit 22451a16b7ab7debefce660672566be887db1637 ] When we have a corrupted main.sqlite in /var/lib/nfs/nfsdcld/, it may result in namelen being 0, which will cause memdup_user() to return ZERO_SIZE_PTR. When we access the name.data that has been assigned the value of ZERO_SIZE_PTR in nfs4_client_to_reclaim(), null pointer dereference is triggered. [ T1205] ================================================================== [ T1205] BUG: KASAN: null-ptr-deref in nfs4_client_to_reclaim+0xe9/0x260 [ T1205] Read of size 1 at addr 0000000000000010 by task nfsdcld/1205 [ T1205] [ T1205] CPU: 11 PID: 1205 Comm: nfsdcld Not tainted 5.10.0-00003-g2c1423731b8d #406 [ T1205] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS ?-20190727_073836-buildvm-ppc64le-16.ppc.fedoraproject.org-3.fc31 04/01/2014 [ T1205] Call Trace: [ T1205] dump_stack+0x9a/0xd0 [ T1205] ? nfs4_client_to_reclaim+0xe9/0x260 [ T1205] __kasan_report.cold+0x34/0x84 [ T1205] ? nfs4_client_to_reclaim+0xe9/0x260 [ T1205] kasan_report+0x3a/0x50 [ T1205] nfs4_client_to_reclaim+0xe9/0x260 [ T1205] ? nfsd4_release_lockowner+0x410/0x410 [ T1205] cld_pipe_downcall+0x5ca/0x760 [ T1205] ? nfsd4_cld_tracking_exit+0x1d0/0x1d0 [ T1205] ? down_write_killable_nested+0x170/0x170 [ T1205] ? avc_policy_seqno+0x28/0x40 [ T1205] ? selinux_file_permission+0x1b4/0x1e0 [ T1205] rpc_pipe_write+0x84/0xb0 [ T1205] vfs_write+0x143/0x520 [ T1205] ksys_write+0xc9/0x170 [ T1205] ? __ia32_sys_read+0x50/0x50 [ T1205] ? ktime_get_coarse_real_ts64+0xfe/0x110 [ T1205] ? ktime_get_coarse_real_ts64+0xa2/0x110 [ T1205] do_syscall_64+0x33/0x40 [ T1205] entry_SYSCALL_64_after_hwframe+0x67/0xd1 [ T1205] RIP: 0033:0x7fdbdb761bc7 [ T1205] Code: 0f 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 514 [ T1205] RSP: 002b:00007fff8c4b7248 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ T1205] RAX: ffffffffffffffda RBX: 000000000000042b RCX: 00007fdbdb761bc7 [ T1205] RDX: 000000000000042b RSI: 00007fff8c4b75f0 RDI: 0000000000000008 [ T1205] RBP: 00007fdbdb761bb0 R08: 0000000000000000 R09: 0000000000000001 [ T1205] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000000042b [ T1205] R13: 0000000000000008 R14: 00007fff8c4b75f0 R15: 0000000000000000 [ T1205] ================================================================== Fix it by checking namelen. Signed-off-by: Li Lingfeng Fixes: 74725959c33c ("nfsd: un-deprecate nfsdcld") Reviewed-by: Jeff Layton Reviewed-by: Scott Mayhew Tested-by: Scott Mayhew Signed-off-by: Chuck Lever Signed-off-by: Sasha Levin --- fs/nfsd/nfs4recover.c | 8 ++++++++ 1 file changed, 8 insertions(+) diff --git a/fs/nfsd/nfs4recover.c b/fs/nfsd/nfs4recover.c index 189c622dde61..2904268c18c9 100644 --- a/fs/nfsd/nfs4recover.c +++ b/fs/nfsd/nfs4recover.c @@ -806,6 +806,10 @@ __cld_pipe_inprogress_downcall(const struct cld_msg_v2 __user *cmsg, ci = &cmsg->cm_u.cm_clntinfo; if (get_user(namelen, &ci->cc_name.cn_len)) return -EFAULT; + if (!namelen) { + dprintk("%s: namelen should not be zero", __func__); + return -EINVAL; + } name.data = memdup_user(&ci->cc_name.cn_id, namelen); if (IS_ERR(name.data)) return PTR_ERR(name.data); @@ -828,6 +832,10 @@ __cld_pipe_inprogress_downcall(const struct cld_msg_v2 __user *cmsg, cnm = &cmsg->cm_u.cm_name; if (get_user(namelen, &cnm->cn_len)) return -EFAULT; + if (!namelen) { + dprintk("%s: namelen should not be zero", __func__); + return -EINVAL; + } name.data = memdup_user(&cnm->cn_id, namelen); if (IS_ERR(name.data)) return PTR_ERR(name.data); From 7b5476f061542c2cebe719fe04a915bb4a362de3 Mon Sep 17 00:00:00 2001 From: Chao Yu Date: Fri, 25 Dec 2020 16:52:27 +0800 Subject: [PATCH 187/649] f2fs: enhance to update i_mode and acl atomically in f2fs_setattr() [ Upstream commit 17232e830afb800acdcc22ae8980bf9d330393ef ] Previously, in f2fs_setattr(), we don't update S_ISUID|S_ISGID|S_ISVTX bits with S_IRWXUGO bits and acl entries atomically, so in error path, chmod() may partially success, this patch enhances to make chmod() flow being atomical. Signed-off-by: Chao Yu Signed-off-by: Jaegeuk Kim Stable-dep-of: aaf8c0b9ae04 ("f2fs: reduce expensive checkpoint trigger frequency") Signed-off-by: Sasha Levin --- fs/f2fs/acl.c | 23 ++++++++++++++++++++++- fs/f2fs/file.c | 6 ++++-- fs/f2fs/xattr.c | 15 +++++++++------ 3 files changed, 35 insertions(+), 9 deletions(-) diff --git a/fs/f2fs/acl.c b/fs/f2fs/acl.c index 306413589827..a89b2b1390e8 100644 --- a/fs/f2fs/acl.c +++ b/fs/f2fs/acl.c @@ -200,6 +200,27 @@ struct posix_acl *f2fs_get_acl(struct inode *inode, int type) return __f2fs_get_acl(inode, type, NULL); } +static int f2fs_acl_update_mode(struct inode *inode, umode_t *mode_p, + struct posix_acl **acl) +{ + umode_t mode = inode->i_mode; + int error; + + if (is_inode_flag_set(inode, FI_ACL_MODE)) + mode = F2FS_I(inode)->i_acl_mode; + + error = posix_acl_equiv_mode(*acl, &mode); + if (error < 0) + return error; + if (error == 0) + *acl = NULL; + if (!in_group_p(inode->i_gid) && + !capable_wrt_inode_uidgid(inode, CAP_FSETID)) + mode &= ~S_ISGID; + *mode_p = mode; + return 0; +} + static int __f2fs_set_acl(struct inode *inode, int type, struct posix_acl *acl, struct page *ipage) { @@ -213,7 +234,7 @@ static int __f2fs_set_acl(struct inode *inode, int type, case ACL_TYPE_ACCESS: name_index = F2FS_XATTR_INDEX_POSIX_ACL_ACCESS; if (acl && !ipage) { - error = posix_acl_update_mode(inode, &mode, &acl); + error = f2fs_acl_update_mode(inode, &mode, &acl); if (error) return error; set_acl_inode(inode, mode); diff --git a/fs/f2fs/file.c b/fs/f2fs/file.c index 50514962771a..8f7aa4010bb9 100644 --- a/fs/f2fs/file.c +++ b/fs/f2fs/file.c @@ -980,8 +980,10 @@ int f2fs_setattr(struct dentry *dentry, struct iattr *attr) if (attr->ia_valid & ATTR_MODE) { err = posix_acl_chmod(inode, f2fs_get_inode_mode(inode)); - if (err || is_inode_flag_set(inode, FI_ACL_MODE)) { - inode->i_mode = F2FS_I(inode)->i_acl_mode; + + if (is_inode_flag_set(inode, FI_ACL_MODE)) { + if (!err) + inode->i_mode = F2FS_I(inode)->i_acl_mode; clear_inode_flag(inode, FI_ACL_MODE); } } diff --git a/fs/f2fs/xattr.c b/fs/f2fs/xattr.c index dd50b747b671..4271bcc2738d 100644 --- a/fs/f2fs/xattr.c +++ b/fs/f2fs/xattr.c @@ -673,7 +673,7 @@ static int __f2fs_setxattr(struct inode *inode, int index, } if (value && f2fs_xattr_value_same(here, value, size)) - goto exit; + goto same; } else if ((flags & XATTR_REPLACE)) { error = -ENODATA; goto exit; @@ -753,17 +753,20 @@ static int __f2fs_setxattr(struct inode *inode, int index, if (error) goto exit; - if (is_inode_flag_set(inode, FI_ACL_MODE)) { - inode->i_mode = F2FS_I(inode)->i_acl_mode; - inode->i_ctime = current_time(inode); - clear_inode_flag(inode, FI_ACL_MODE); - } if (index == F2FS_XATTR_INDEX_ENCRYPTION && !strcmp(name, F2FS_XATTR_NAME_ENCRYPTION_CONTEXT)) f2fs_set_encrypted_inode(inode); f2fs_mark_inode_dirty_sync(inode, true); if (!error && S_ISDIR(inode->i_mode)) set_sbi_flag(F2FS_I_SB(inode), SBI_NEED_CP); + +same: + if (is_inode_flag_set(inode, FI_ACL_MODE)) { + inode->i_mode = F2FS_I(inode)->i_acl_mode; + inode->i_ctime = current_time(inode); + clear_inode_flag(inode, FI_ACL_MODE); + } + exit: kfree(base_addr); return error; From db930da94792042a6371f386013c3a4f7e0c25e5 Mon Sep 17 00:00:00 2001 From: Yonggil Song Date: Fri, 2 Sep 2022 11:07:49 +0900 Subject: [PATCH 188/649] f2fs: fix typo [ Upstream commit d382e36970ecf8242921400db2afde15fb6ed49e ] Fix typo in f2fs.h Detected by Jaeyoon Choi Signed-off-by: Yonggil Song Signed-off-by: Jaegeuk Kim Stable-dep-of: aaf8c0b9ae04 ("f2fs: reduce expensive checkpoint trigger frequency") Signed-off-by: Sasha Levin --- fs/f2fs/f2fs.h | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/fs/f2fs/f2fs.h b/fs/f2fs/f2fs.h index 4380df9b2d70..a858a1f7f53d 100644 --- a/fs/f2fs/f2fs.h +++ b/fs/f2fs/f2fs.h @@ -249,7 +249,7 @@ enum { ORPHAN_INO, /* for orphan ino list */ APPEND_INO, /* for append ino list */ UPDATE_INO, /* for update ino list */ - TRANS_DIR_INO, /* for trasactions dir ino list */ + TRANS_DIR_INO, /* for transactions dir ino list */ FLUSH_INO, /* for multiple device flushing */ MAX_INO_ENTRY, /* max. list */ }; From 87aceb1ce66adb913717466a775111bb718a9b45 Mon Sep 17 00:00:00 2001 From: Chao Yu Date: Wed, 19 Jul 2023 21:50:45 +0800 Subject: [PATCH 189/649] f2fs: fix to update i_ctime in __f2fs_setxattr() [ Upstream commit 8874ad7dae8d91d24cc87c545c0073b3b2da5688 ] generic/728 - output mismatch (see /media/fstests/results//generic/728.out.bad) --- tests/generic/728.out 2023-07-19 07:10:48.362711407 +0000 +++ /media/fstests/results//generic/728.out.bad 2023-07-19 08:39:57.000000000 +0000 QA output created by 728 +Expected ctime to change after setxattr. +Expected ctime to change after removexattr. Silence is golden ... (Run 'diff -u /media/fstests/tests/generic/728.out /media/fstests/results//generic/728.out.bad' to see the entire diff) generic/729 1s It needs to update i_ctime after {set,remove}xattr, fix it. Signed-off-by: Chao Yu Signed-off-by: Jaegeuk Kim Stable-dep-of: aaf8c0b9ae04 ("f2fs: reduce expensive checkpoint trigger frequency") Signed-off-by: Sasha Levin --- fs/f2fs/xattr.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/fs/f2fs/xattr.c b/fs/f2fs/xattr.c index 4271bcc2738d..a3a11678d414 100644 --- a/fs/f2fs/xattr.c +++ b/fs/f2fs/xattr.c @@ -756,17 +756,17 @@ static int __f2fs_setxattr(struct inode *inode, int index, if (index == F2FS_XATTR_INDEX_ENCRYPTION && !strcmp(name, F2FS_XATTR_NAME_ENCRYPTION_CONTEXT)) f2fs_set_encrypted_inode(inode); - f2fs_mark_inode_dirty_sync(inode, true); if (!error && S_ISDIR(inode->i_mode)) set_sbi_flag(F2FS_I_SB(inode), SBI_NEED_CP); same: if (is_inode_flag_set(inode, FI_ACL_MODE)) { inode->i_mode = F2FS_I(inode)->i_acl_mode; - inode->i_ctime = current_time(inode); clear_inode_flag(inode, FI_ACL_MODE); } + inode->i_ctime = current_time(inode); + f2fs_mark_inode_dirty_sync(inode, true); exit: kfree(base_addr); return error; From 3dc483f0e6d09e19fa7d8d6810cab124e7fd756f Mon Sep 17 00:00:00 2001 From: Chao Yu Date: Wed, 19 Jul 2023 21:50:46 +0800 Subject: [PATCH 190/649] f2fs: remove unneeded check condition in __f2fs_setxattr() [ Upstream commit bc3994ffa4cf23f55171943c713366132c3ff45d ] It has checked return value of write_all_xattrs(), remove unneeded following check condition. Signed-off-by: Chao Yu Signed-off-by: Jaegeuk Kim Stable-dep-of: aaf8c0b9ae04 ("f2fs: reduce expensive checkpoint trigger frequency") Signed-off-by: Sasha Levin --- fs/f2fs/xattr.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/fs/f2fs/xattr.c b/fs/f2fs/xattr.c index a3a11678d414..c92ddc8c33a1 100644 --- a/fs/f2fs/xattr.c +++ b/fs/f2fs/xattr.c @@ -756,7 +756,7 @@ static int __f2fs_setxattr(struct inode *inode, int index, if (index == F2FS_XATTR_INDEX_ENCRYPTION && !strcmp(name, F2FS_XATTR_NAME_ENCRYPTION_CONTEXT)) f2fs_set_encrypted_inode(inode); - if (!error && S_ISDIR(inode->i_mode)) + if (S_ISDIR(inode->i_mode)) set_sbi_flag(F2FS_I_SB(inode), SBI_NEED_CP); same: From 6f2eeba7c3e4831883ede4df5dd98d4fe8e480ca Mon Sep 17 00:00:00 2001 From: Chao Yu Date: Wed, 26 Jun 2024 09:47:27 +0800 Subject: [PATCH 191/649] f2fs: reduce expensive checkpoint trigger frequency [ Upstream commit aaf8c0b9ae042494cb4585883b15c1332de77840 ] We may trigger high frequent checkpoint for below case: 1. mkdir /mnt/dir1; set dir1 encrypted 2. touch /mnt/file1; fsync /mnt/file1 3. mkdir /mnt/dir2; set dir2 encrypted 4. touch /mnt/file2; fsync /mnt/file2 ... Although, newly created dir and file are not related, due to commit bbf156f7afa7 ("f2fs: fix lost xattrs of directories"), we will trigger checkpoint whenever fsync() comes after a new encrypted dir created. In order to avoid such performance regression issue, let's record an entry including directory's ino in global cache whenever we update directory's xattr data, and then triggerring checkpoint() only if xattr metadata of target file's parent was updated. This patch updates to cover below no encryption case as well: 1) parent is checkpointed 2) set_xattr(dir) w/ new xnid 3) create(file) 4) fsync(file) Fixes: bbf156f7afa7 ("f2fs: fix lost xattrs of directories") Reported-by: wangzijie Reported-by: Zhiguo Niu Tested-by: Zhiguo Niu Reported-by: Yunlei He Signed-off-by: Chao Yu Signed-off-by: Jaegeuk Kim Signed-off-by: Sasha Levin --- fs/f2fs/f2fs.h | 2 ++ fs/f2fs/file.c | 3 +++ fs/f2fs/xattr.c | 14 ++++++++++++-- include/trace/events/f2fs.h | 3 ++- 4 files changed, 19 insertions(+), 3 deletions(-) diff --git a/fs/f2fs/f2fs.h b/fs/f2fs/f2fs.h index a858a1f7f53d..3da7be53a3de 100644 --- a/fs/f2fs/f2fs.h +++ b/fs/f2fs/f2fs.h @@ -250,6 +250,7 @@ enum { APPEND_INO, /* for append ino list */ UPDATE_INO, /* for update ino list */ TRANS_DIR_INO, /* for transactions dir ino list */ + XATTR_DIR_INO, /* for xattr updated dir ino list */ FLUSH_INO, /* for multiple device flushing */ MAX_INO_ENTRY, /* max. list */ }; @@ -1070,6 +1071,7 @@ enum cp_reason_type { CP_FASTBOOT_MODE, CP_SPEC_LOG_NUM, CP_RECOVER_DIR, + CP_XATTR_DIR, }; enum iostat_type { diff --git a/fs/f2fs/file.c b/fs/f2fs/file.c index 8f7aa4010bb9..060bd64502c6 100644 --- a/fs/f2fs/file.c +++ b/fs/f2fs/file.c @@ -214,6 +214,9 @@ static inline enum cp_reason_type need_do_checkpoint(struct inode *inode) f2fs_exist_written_data(sbi, F2FS_I(inode)->i_pino, TRANS_DIR_INO)) cp_reason = CP_RECOVER_DIR; + else if (f2fs_exist_written_data(sbi, F2FS_I(inode)->i_pino, + XATTR_DIR_INO)) + cp_reason = CP_XATTR_DIR; return cp_reason; } diff --git a/fs/f2fs/xattr.c b/fs/f2fs/xattr.c index c92ddc8c33a1..bd7099457018 100644 --- a/fs/f2fs/xattr.c +++ b/fs/f2fs/xattr.c @@ -627,6 +627,7 @@ static int __f2fs_setxattr(struct inode *inode, int index, const char *name, const void *value, size_t size, struct page *ipage, int flags) { + struct f2fs_sb_info *sbi = F2FS_I_SB(inode); struct f2fs_xattr_entry *here, *last; void *base_addr, *last_base_addr; int found, newsize; @@ -756,9 +757,18 @@ static int __f2fs_setxattr(struct inode *inode, int index, if (index == F2FS_XATTR_INDEX_ENCRYPTION && !strcmp(name, F2FS_XATTR_NAME_ENCRYPTION_CONTEXT)) f2fs_set_encrypted_inode(inode); - if (S_ISDIR(inode->i_mode)) - set_sbi_flag(F2FS_I_SB(inode), SBI_NEED_CP); + if (!S_ISDIR(inode->i_mode)) + goto same; + /* + * In restrict mode, fsync() always try to trigger checkpoint for all + * metadata consistency, in other mode, it triggers checkpoint when + * parent's xattr metadata was updated. + */ + if (F2FS_OPTION(sbi).fsync_mode == FSYNC_MODE_STRICT) + set_sbi_flag(sbi, SBI_NEED_CP); + else + f2fs_add_ino_entry(sbi, inode->i_ino, XATTR_DIR_INO); same: if (is_inode_flag_set(inode, FI_ACL_MODE)) { inode->i_mode = F2FS_I(inode)->i_acl_mode; diff --git a/include/trace/events/f2fs.h b/include/trace/events/f2fs.h index e8cd19e91de1..1eb386122f1c 100644 --- a/include/trace/events/f2fs.h +++ b/include/trace/events/f2fs.h @@ -145,7 +145,8 @@ TRACE_DEFINE_ENUM(CP_RESIZE); { CP_NODE_NEED_CP, "node needs cp" }, \ { CP_FASTBOOT_MODE, "fastboot mode" }, \ { CP_SPEC_LOG_NUM, "log type is 2" }, \ - { CP_RECOVER_DIR, "dir needs recovery" }) + { CP_RECOVER_DIR, "dir needs recovery" }, \ + { CP_XATTR_DIR, "dir's xattr updated" }) #define show_shutdown_mode(type) \ __print_symbolic(type, \ From d612d419a579733f0e4da9d590e64f59d94b908f Mon Sep 17 00:00:00 2001 From: Alexander Stein Date: Mon, 8 Nov 2021 15:55:23 +0100 Subject: [PATCH 192/649] spi: lpspi: Silence error message upon deferred probe [ Upstream commit 12f62a857c83b2efcbf8d9961aacd352bf81ad3d ] Do not print error messages with error code -517. Silences the following errors upon on imx8qm: fsl_lpspi 5a000000.spi: spi_register_controller error: -517 fsl_lpspi 5a010000.spi: spi_register_controller error: -517 fsl_lpspi 5a020000.spi: spi_register_controller error: -517 Signed-off-by: Alexander Stein Link: https://lore.kernel.org/r/20211108145523.1797609-1-alexander.stein@ew.tq-group.com Signed-off-by: Mark Brown Stable-dep-of: 3b577de206d5 ("spi: spi-fsl-lpspi: Undo runtime PM changes at driver exit time") Signed-off-by: Sasha Levin --- drivers/spi/spi-fsl-lpspi.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/spi/spi-fsl-lpspi.c b/drivers/spi/spi-fsl-lpspi.c index c21d7959dcd2..bc3e434ba298 100644 --- a/drivers/spi/spi-fsl-lpspi.c +++ b/drivers/spi/spi-fsl-lpspi.c @@ -919,7 +919,7 @@ static int fsl_lpspi_probe(struct platform_device *pdev) ret = devm_spi_register_controller(&pdev->dev, controller); if (ret < 0) { - dev_err(&pdev->dev, "spi_register_controller error.\n"); + dev_err_probe(&pdev->dev, ret, "spi_register_controller error: %i\n", ret); goto out_pm_get; } From 0ed35dd547ec5d8cb672d01fda22faf51addeaf7 Mon Sep 17 00:00:00 2001 From: Alexander Stein Date: Tue, 9 Nov 2021 11:31:34 +0100 Subject: [PATCH 193/649] spi: lpspi: release requested DMA channels [ Upstream commit f02bff30114f385d53ae3e45141db602923bca5d ] The requested DMA channels are never released. Do this in .remove as well as in .probe. spi_register_controller() can return -EPROBE_DEFER if cs-gpios are not probed yet. Signed-off-by: Alexander Stein Link: https://lore.kernel.org/r/20211109103134.184216-1-alexander.stein@ew.tq-group.com Signed-off-by: Mark Brown Stable-dep-of: 3b577de206d5 ("spi: spi-fsl-lpspi: Undo runtime PM changes at driver exit time") Signed-off-by: Sasha Levin --- drivers/spi/spi-fsl-lpspi.c | 6 +++++- 1 file changed, 5 insertions(+), 1 deletion(-) diff --git a/drivers/spi/spi-fsl-lpspi.c b/drivers/spi/spi-fsl-lpspi.c index bc3e434ba298..314629b17228 100644 --- a/drivers/spi/spi-fsl-lpspi.c +++ b/drivers/spi/spi-fsl-lpspi.c @@ -920,7 +920,7 @@ static int fsl_lpspi_probe(struct platform_device *pdev) ret = devm_spi_register_controller(&pdev->dev, controller); if (ret < 0) { dev_err_probe(&pdev->dev, ret, "spi_register_controller error: %i\n", ret); - goto out_pm_get; + goto free_dma; } pm_runtime_mark_last_busy(fsl_lpspi->dev); @@ -928,6 +928,8 @@ static int fsl_lpspi_probe(struct platform_device *pdev) return 0; +free_dma: + fsl_lpspi_dma_exit(controller); out_pm_get: pm_runtime_dont_use_autosuspend(fsl_lpspi->dev); pm_runtime_put_sync(fsl_lpspi->dev); @@ -944,6 +946,8 @@ static int fsl_lpspi_remove(struct platform_device *pdev) struct fsl_lpspi_data *fsl_lpspi = spi_controller_get_devdata(controller); + fsl_lpspi_dma_exit(controller); + pm_runtime_disable(fsl_lpspi->dev); return 0; } From b7413dbc6341dc5bbbcb0cc9b9339308c6724a4d Mon Sep 17 00:00:00 2001 From: Jinjie Ruan Date: Fri, 6 Sep 2024 10:12:51 +0800 Subject: [PATCH 194/649] spi: spi-fsl-lpspi: Undo runtime PM changes at driver exit time [ Upstream commit 3b577de206d52dbde9428664b6d823d35a803d75 ] It's important to undo pm_runtime_use_autosuspend() with pm_runtime_dont_use_autosuspend() at driver exit time unless driver initially enabled pm_runtime with devm_pm_runtime_enable() (which handles it for you). Hence, call pm_runtime_dont_use_autosuspend() at driver exit time to fix it. Fixes: 944c01a889d9 ("spi: lpspi: enable runtime pm for lpspi") Signed-off-by: Jinjie Ruan Link: https://patch.msgid.link/20240906021251.610462-1-ruanjinjie@huawei.com Signed-off-by: Mark Brown Signed-off-by: Sasha Levin --- drivers/spi/spi-fsl-lpspi.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/spi/spi-fsl-lpspi.c b/drivers/spi/spi-fsl-lpspi.c index 314629b17228..b6674fb6c1d6 100644 --- a/drivers/spi/spi-fsl-lpspi.c +++ b/drivers/spi/spi-fsl-lpspi.c @@ -948,6 +948,7 @@ static int fsl_lpspi_remove(struct platform_device *pdev) fsl_lpspi_dma_exit(controller); + pm_runtime_dont_use_autosuspend(fsl_lpspi->dev); pm_runtime_disable(fsl_lpspi->dev); return 0; } From 1ea56cd9a65150a968c6159b38554e6848f784bb Mon Sep 17 00:00:00 2001 From: Guillaume Stols Date: Tue, 2 Jul 2024 17:34:10 +0000 Subject: [PATCH 195/649] iio: adc: ad7606: fix oversampling gpio array [ Upstream commit 8dc4594b54dbaaba40dc8884ad3d42083de39434 ] gpiod_set_array_value was misused here: the implementation relied on the assumption that an unsigned long was required for each gpio, while the function expects a bit array stored in "as much unsigned long as needed for storing one bit per GPIO", i.e it is using a bit field. This leaded to incorrect parameter passed to gpiod_set_array_value, that would set 1 value instead of 3. It also prevents to select the software mode correctly for the AD7606B. Fixes: d2a415c86c6b ("iio: adc: ad7606: Add support for AD7606B ADC") Fixes: 41f71e5e7daf ("staging: iio: adc: ad7606: Use find_closest() macro") Signed-off-by: Guillaume Stols Reviewed-by: Nuno Sa Signed-off-by: Jonathan Cameron Signed-off-by: Sasha Levin --- drivers/iio/adc/ad7606.c | 4 ++-- drivers/iio/adc/ad7606_spi.c | 5 +++-- 2 files changed, 5 insertions(+), 4 deletions(-) diff --git a/drivers/iio/adc/ad7606.c b/drivers/iio/adc/ad7606.c index ee7b108688b3..d1223cfd8fb4 100644 --- a/drivers/iio/adc/ad7606.c +++ b/drivers/iio/adc/ad7606.c @@ -238,9 +238,9 @@ static int ad7606_write_os_hw(struct iio_dev *indio_dev, int val) struct ad7606_state *st = iio_priv(indio_dev); DECLARE_BITMAP(values, 3); - values[0] = val; + values[0] = val & GENMASK(2, 0); - gpiod_set_array_value(ARRAY_SIZE(values), st->gpio_os->desc, + gpiod_set_array_value(st->gpio_os->ndescs, st->gpio_os->desc, st->gpio_os->info, values); /* AD7616 requires a reset to update value */ diff --git a/drivers/iio/adc/ad7606_spi.c b/drivers/iio/adc/ad7606_spi.c index 29945ad07dca..e1ad2cd61b7f 100644 --- a/drivers/iio/adc/ad7606_spi.c +++ b/drivers/iio/adc/ad7606_spi.c @@ -249,8 +249,9 @@ static int ad7616_sw_mode_config(struct iio_dev *indio_dev) static int ad7606B_sw_mode_config(struct iio_dev *indio_dev) { struct ad7606_state *st = iio_priv(indio_dev); - unsigned long os[3] = {1}; + DECLARE_BITMAP(os, 3); + bitmap_fill(os, 3); /* * Software mode is enabled when all three oversampling * pins are set to high. If oversampling gpios are defined @@ -258,7 +259,7 @@ static int ad7606B_sw_mode_config(struct iio_dev *indio_dev) * otherwise, they must be hardwired to VDD */ if (st->gpio_os) { - gpiod_set_array_value(ARRAY_SIZE(os), + gpiod_set_array_value(st->gpio_os->ndescs, st->gpio_os->desc, st->gpio_os->info, os); } /* OS of 128 and 256 are available only in software mode */ From cf0674248ddb307b447dbbebe6c6bfd5c63643ae Mon Sep 17 00:00:00 2001 From: Guillaume Stols Date: Tue, 2 Jul 2024 17:34:11 +0000 Subject: [PATCH 196/649] iio: adc: ad7606: fix standby gpio state to match the documentation [ Upstream commit 059fe4f8bbdf5cad212e1aeeb3e8968c80b9ff3b ] The binding's documentation specifies that "As the line is active low, it should be marked GPIO_ACTIVE_LOW". However, in the driver, it was handled the opposite way. This commit sets the driver's behaviour in sync with the documentation Fixes: 722407a4e8c0 ("staging:iio:ad7606: Use GPIO descriptor API") Signed-off-by: Guillaume Stols Reviewed-by: Nuno Sa Signed-off-by: Jonathan Cameron Signed-off-by: Sasha Levin --- drivers/iio/adc/ad7606.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/iio/adc/ad7606.c b/drivers/iio/adc/ad7606.c index d1223cfd8fb4..141c75be27e1 100644 --- a/drivers/iio/adc/ad7606.c +++ b/drivers/iio/adc/ad7606.c @@ -445,7 +445,7 @@ static int ad7606_request_gpios(struct ad7606_state *st) return PTR_ERR(st->gpio_range); st->gpio_standby = devm_gpiod_get_optional(dev, "standby", - GPIOD_OUT_HIGH); + GPIOD_OUT_LOW); if (IS_ERR(st->gpio_standby)) return PTR_ERR(st->gpio_standby); @@ -704,7 +704,7 @@ static int ad7606_suspend(struct device *dev) if (st->gpio_standby) { gpiod_set_value(st->gpio_range, 1); - gpiod_set_value(st->gpio_standby, 0); + gpiod_set_value(st->gpio_standby, 1); } return 0; From d4951dd16e9f58613cb33105e3284f534f59772f Mon Sep 17 00:00:00 2001 From: Suzuki K Poulose Date: Tue, 2 Jul 2024 14:28:46 +0100 Subject: [PATCH 197/649] coresight: tmc: sg: Do not leak sg_table [ Upstream commit c58dc5a1f886f2fcc1133746d0cbaa1fe7fd44ff ] Running perf with cs_etm on Juno triggers the following kmemleak warning ! :~# cat /sys/kernel/debug/kmemleak unreferenced object 0xffffff8806b6d720 (size 96): comm "perf", pid 562, jiffies 4297810960 hex dump (first 32 bytes): 38 d8 13 07 88 ff ff ff 00 d0 9e 85 c0 ff ff ff 8............... 00 10 00 88 c0 ff ff ff 00 f0 ff f7 ff 00 00 00 ................ backtrace (crc 1dbf6e00): [] kmemleak_alloc+0xbc/0xd8 [] kmalloc_trace_noprof+0x220/0x2e8 [] tmc_alloc_sg_table+0x48/0x208 [coresight_tmc] [] tmc_etr_alloc_sg_buf+0xac/0x240 [coresight_tmc] [] tmc_alloc_etr_buf.constprop.0+0x1f0/0x260 [coresight_tmc] [] alloc_etr_buf.constprop.0.isra.0+0x74/0xa8 [coresight_tmc] [] tmc_alloc_etr_buffer+0x110/0x260 [coresight_tmc] [] etm_setup_aux+0x204/0x3b0 [coresight] [] rb_alloc_aux+0x20c/0x318 [] perf_mmap+0x2e4/0x7a0 [] mmap_region+0x3b0/0xa08 [] do_mmap+0x3a0/0x500 [] vm_mmap_pgoff+0x100/0x1d0 [] ksys_mmap_pgoff+0xb8/0x110 [] __arm64_sys_mmap+0x38/0x58 [] invoke_syscall.constprop.0+0x58/0x100 This due to the fact that we do not free the "sg_table" itself while freeing up the SG table and data pages. Fix this by freeing the sg_table in tmc_free_sg_table(). Fixes: 99443ea19e8b ("coresight: Add generic TMC sg table framework") Cc: Mike Leach Cc: James Clark Signed-off-by: Suzuki K Poulose Reviewed-by: Anshuman Khandual Link: https://lore.kernel.org/r/20240702132846.1677261-1-suzuki.poulose@arm.com Signed-off-by: Sasha Levin --- drivers/hwtracing/coresight/coresight-tmc-etr.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/hwtracing/coresight/coresight-tmc-etr.c b/drivers/hwtracing/coresight/coresight-tmc-etr.c index ae2dd0c88f4e..d8632bf97074 100644 --- a/drivers/hwtracing/coresight/coresight-tmc-etr.c +++ b/drivers/hwtracing/coresight/coresight-tmc-etr.c @@ -257,6 +257,7 @@ void tmc_free_sg_table(struct tmc_sg_table *sg_table) { tmc_free_table_pages(sg_table); tmc_free_data_pages(sg_table); + kfree(sg_table); } EXPORT_SYMBOL_GPL(tmc_free_sg_table); @@ -338,7 +339,6 @@ struct tmc_sg_table *tmc_alloc_sg_table(struct device *dev, rc = tmc_alloc_table_pages(sg_table); if (rc) { tmc_free_sg_table(sg_table); - kfree(sg_table); return ERR_PTR(rc); } From 64add9aaf78ad226595f7d75f524ca5bec3540f0 Mon Sep 17 00:00:00 2001 From: Konrad Dybcio Date: Thu, 30 Nov 2023 15:04:45 +0100 Subject: [PATCH 198/649] interconnect: qcom: sm8250: Enable sync_state [ Upstream commit bfc7db1cb94ad664546d70212699f8cc6c539e8c ] Add the generic icc sync_state callback to ensure interconnect votes are taken into account, instead of being pegged at maximum values. Fixes: b95b668eaaa2 ("interconnect: qcom: icc-rpmh: Add BCMs to commit list in pre_aggregate") Signed-off-by: Konrad Dybcio Link: https://lore.kernel.org/r/20231130-topic-8250icc_syncstate-v1-1-7ce78ba6e04c@linaro.org Signed-off-by: Georgi Djakov Signed-off-by: Sasha Levin --- drivers/interconnect/qcom/sm8250.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/interconnect/qcom/sm8250.c b/drivers/interconnect/qcom/sm8250.c index 40820043c8d3..cc558fec74e3 100644 --- a/drivers/interconnect/qcom/sm8250.c +++ b/drivers/interconnect/qcom/sm8250.c @@ -643,6 +643,7 @@ static struct platform_driver qnoc_driver = { .driver = { .name = "qnoc-sm8250", .of_match_table = qnoc_of_match, + .sync_state = icc_sync_state, }, }; module_platform_driver(qnoc_driver); From 10348fb6feae4455be908e668ae65eb4aba118fc Mon Sep 17 00:00:00 2001 From: Xie Yongji Date: Thu, 23 Mar 2023 13:30:40 +0800 Subject: [PATCH 199/649] vdpa: Add eventfd for the vdpa callback [ Upstream commit 5e68470f4e80a4120e9ecec408f6ab4ad386bd4a ] Add eventfd for the vdpa callback so that user can signal it directly instead of triggering the callback. It will be used for vhost-vdpa case. Signed-off-by: Xie Yongji Message-Id: <20230323053043.35-9-xieyongji@bytedance.com> Signed-off-by: Michael S. Tsirkin Acked-by: Jason Wang Stable-dep-of: 02e9e9366fef ("vhost_vdpa: assign irq bypass producer token correctly") Signed-off-by: Sasha Levin --- drivers/vhost/vdpa.c | 2 ++ drivers/virtio/virtio_vdpa.c | 1 + include/linux/vdpa.h | 6 ++++++ 3 files changed, 9 insertions(+) diff --git a/drivers/vhost/vdpa.c b/drivers/vhost/vdpa.c index c9f585db1553..fdd175730d32 100644 --- a/drivers/vhost/vdpa.c +++ b/drivers/vhost/vdpa.c @@ -422,9 +422,11 @@ static long vhost_vdpa_vring_ioctl(struct vhost_vdpa *v, unsigned int cmd, if (vq->call_ctx.ctx) { cb.callback = vhost_vdpa_virtqueue_cb; cb.private = vq; + cb.trigger = vq->call_ctx.ctx; } else { cb.callback = NULL; cb.private = NULL; + cb.trigger = NULL; } ops->set_vq_cb(vdpa, idx, &cb); vhost_vdpa_setup_vq_irq(v, idx); diff --git a/drivers/virtio/virtio_vdpa.c b/drivers/virtio/virtio_vdpa.c index 3f95dedccceb..7b2c37a3880f 100644 --- a/drivers/virtio/virtio_vdpa.c +++ b/drivers/virtio/virtio_vdpa.c @@ -180,6 +180,7 @@ virtio_vdpa_setup_vq(struct virtio_device *vdev, unsigned int index, /* Setup virtqueue callback */ cb.callback = virtio_vdpa_virtqueue_cb; cb.private = info; + cb.trigger = NULL; ops->set_vq_cb(vdpa, index, &cb); ops->set_vq_num(vdpa, index, virtqueue_get_vring_size(vq)); diff --git a/include/linux/vdpa.h b/include/linux/vdpa.h index 30bc7a7223bb..2ee60c7c1eb0 100644 --- a/include/linux/vdpa.h +++ b/include/linux/vdpa.h @@ -11,10 +11,16 @@ * vDPA callback definition. * @callback: interrupt callback function * @private: the data passed to the callback function + * @trigger: the eventfd for the callback (Optional). + * When it is set, the vDPA driver must guarantee that + * signaling it is functional equivalent to triggering + * the callback. Then vDPA parent can signal it directly + * instead of triggering the callback. */ struct vdpa_callback { irqreturn_t (*callback)(void *data); void *private; + struct eventfd_ctx *trigger; }; /** From 0c170b1e918b9afac25e2bbd01eaa2bfc0ece8c0 Mon Sep 17 00:00:00 2001 From: Jason Wang Date: Fri, 16 Aug 2024 11:19:00 +0800 Subject: [PATCH 200/649] vhost_vdpa: assign irq bypass producer token correctly [ Upstream commit 02e9e9366fefe461719da5d173385b6685f70319 ] We used to call irq_bypass_unregister_producer() in vhost_vdpa_setup_vq_irq() which is problematic as we don't know if the token pointer is still valid or not. Actually, we use the eventfd_ctx as the token so the life cycle of the token should be bound to the VHOST_SET_VRING_CALL instead of vhost_vdpa_setup_vq_irq() which could be called by set_status(). Fixing this by setting up irq bypass producer's token when handling VHOST_SET_VRING_CALL and un-registering the producer before calling vhost_vring_ioctl() to prevent a possible use after free as eventfd could have been released in vhost_vring_ioctl(). And such registering and unregistering will only be done if DRIVER_OK is set. Reported-by: Dragos Tatulea Tested-by: Dragos Tatulea Reviewed-by: Dragos Tatulea Fixes: 2cf1ba9a4d15 ("vhost_vdpa: implement IRQ offloading in vhost_vdpa") Signed-off-by: Jason Wang Message-Id: <20240816031900.18013-1-jasowang@redhat.com> Signed-off-by: Michael S. Tsirkin Signed-off-by: Sasha Levin --- drivers/vhost/vdpa.c | 16 +++++++++++++--- 1 file changed, 13 insertions(+), 3 deletions(-) diff --git a/drivers/vhost/vdpa.c b/drivers/vhost/vdpa.c index fdd175730d32..61d11e7317ac 100644 --- a/drivers/vhost/vdpa.c +++ b/drivers/vhost/vdpa.c @@ -100,11 +100,9 @@ static void vhost_vdpa_setup_vq_irq(struct vhost_vdpa *v, u16 qid) if (irq < 0) return; - irq_bypass_unregister_producer(&vq->call_ctx.producer); if (!vq->call_ctx.ctx) return; - vq->call_ctx.producer.token = vq->call_ctx.ctx; vq->call_ctx.producer.irq = irq; ret = irq_bypass_register_producer(&vq->call_ctx.producer); if (unlikely(ret)) @@ -397,6 +395,14 @@ static long vhost_vdpa_vring_ioctl(struct vhost_vdpa *v, unsigned int cmd, vq->last_avail_idx = vq_state.avail_index; break; + case VHOST_SET_VRING_CALL: + if (vq->call_ctx.ctx) { + if (ops->get_status(vdpa) & + VIRTIO_CONFIG_S_DRIVER_OK) + vhost_vdpa_unsetup_vq_irq(v, idx); + vq->call_ctx.producer.token = NULL; + } + break; } r = vhost_vring_ioctl(&v->vdev, cmd, argp); @@ -423,13 +429,16 @@ static long vhost_vdpa_vring_ioctl(struct vhost_vdpa *v, unsigned int cmd, cb.callback = vhost_vdpa_virtqueue_cb; cb.private = vq; cb.trigger = vq->call_ctx.ctx; + vq->call_ctx.producer.token = vq->call_ctx.ctx; + if (ops->get_status(vdpa) & + VIRTIO_CONFIG_S_DRIVER_OK) + vhost_vdpa_setup_vq_irq(v, idx); } else { cb.callback = NULL; cb.private = NULL; cb.trigger = NULL; } ops->set_vq_cb(vdpa, idx, &cb); - vhost_vdpa_setup_vq_irq(v, idx); break; case VHOST_SET_VRING_NUM: @@ -890,6 +899,7 @@ static int vhost_vdpa_open(struct inode *inode, struct file *filep) for (i = 0; i < nvqs; i++) { vqs[i] = &v->vqs[i]; vqs[i]->handle_kick = handle_vq_kick; + vqs[i]->call_ctx.ctx = NULL; } vhost_dev_init(dev, vqs, nvqs, 0, 0, 0, false, vhost_vdpa_process_iotlb_msg); From 1429a9260fed625303c1c377f1510a56556cc503 Mon Sep 17 00:00:00 2001 From: Mikulas Patocka Date: Fri, 13 Sep 2024 15:05:18 +0200 Subject: [PATCH 201/649] Revert "dm: requeue IO if mapping table not yet available" [ Upstream commit c8691cd0fc11197515ed148de0780d927bfca38b ] This reverts commit fa247089de9936a46e290d4724cb5f0b845600f5. The following sequence of commands causes a livelock - there will be workqueue process looping and consuming 100% CPU: dmsetup create --notable test truncate -s 1MiB testdata losetup /dev/loop0 testdata dmsetup load test --table '0 2048 linear /dev/loop0 0' dd if=/dev/zero of=/dev/dm-0 bs=16k count=1 conv=fdatasync The livelock is caused by the commit fa247089de99. The commit claims that it fixes a race condition, however, it is unknown what the actual race condition is and what program is involved in the race condition. When the inactive table is loaded, the nodes /dev/dm-0 and /sys/block/dm-0 are created. /dev/dm-0 has zero size at this point. When the device is suspended and resumed, the nodes /dev/mapper/test and /dev/disk/* are created. If some program opens a block device before it is created by dmsetup or lvm, the program is buggy, so dm could just report an error as it used to do before. Reported-by: Zdenek Kabelac Signed-off-by: Mikulas Patocka Fixes: fa247089de99 ("dm: requeue IO if mapping table not yet available") Signed-off-by: Sasha Levin --- drivers/md/dm-rq.c | 4 +++- drivers/md/dm.c | 11 ++++++++--- 2 files changed, 11 insertions(+), 4 deletions(-) diff --git a/drivers/md/dm-rq.c b/drivers/md/dm-rq.c index 5f933dbb0152..7762bde40963 100644 --- a/drivers/md/dm-rq.c +++ b/drivers/md/dm-rq.c @@ -496,8 +496,10 @@ static blk_status_t dm_mq_queue_rq(struct blk_mq_hw_ctx *hctx, map = dm_get_live_table(md, &srcu_idx); if (unlikely(!map)) { + DMERR_LIMIT("%s: mapping table unavailable, erroring io", + dm_device_name(md)); dm_put_live_table(md, srcu_idx); - return BLK_STS_RESOURCE; + return BLK_STS_IOERR; } ti = dm_table_find_target(map, 0); dm_put_live_table(md, srcu_idx); diff --git a/drivers/md/dm.c b/drivers/md/dm.c index b56ea42ab7d2..4fdf0e666777 100644 --- a/drivers/md/dm.c +++ b/drivers/md/dm.c @@ -1696,10 +1696,15 @@ static blk_qc_t dm_submit_bio(struct bio *bio) struct dm_table *map; map = dm_get_live_table(md, &srcu_idx); + if (unlikely(!map)) { + DMERR_LIMIT("%s: mapping table unavailable, erroring io", + dm_device_name(md)); + bio_io_error(bio); + goto out; + } - /* If suspended, or map not yet available, queue this IO for later */ - if (unlikely(test_bit(DMF_BLOCK_IO_FOR_SUSPEND, &md->flags)) || - unlikely(!map)) { + /* If suspended, queue this IO for later */ + if (unlikely(test_bit(DMF_BLOCK_IO_FOR_SUSPEND, &md->flags))) { if (bio->bi_opf & REQ_NOWAIT) bio_wouldblock_error(bio); else if (bio->bi_opf & REQ_RAHEAD) From dcf48ab3ca2c55b09c8f9c8de0df01c1943bc4e5 Mon Sep 17 00:00:00 2001 From: Eric Dumazet Date: Fri, 13 Sep 2024 17:06:15 +0000 Subject: [PATCH 202/649] netfilter: nf_reject_ipv6: fix nf_reject_ip6_tcphdr_put() [ Upstream commit 9c778fe48d20ef362047e3376dee56d77f8500d4 ] syzbot reported that nf_reject_ip6_tcphdr_put() was possibly sending garbage on the four reserved tcp bits (th->res1) Use skb_put_zero() to clear the whole TCP header, as done in nf_reject_ip_tcphdr_put() BUG: KMSAN: uninit-value in nf_reject_ip6_tcphdr_put+0x688/0x6c0 net/ipv6/netfilter/nf_reject_ipv6.c:255 nf_reject_ip6_tcphdr_put+0x688/0x6c0 net/ipv6/netfilter/nf_reject_ipv6.c:255 nf_send_reset6+0xd84/0x15b0 net/ipv6/netfilter/nf_reject_ipv6.c:344 nft_reject_inet_eval+0x3c1/0x880 net/netfilter/nft_reject_inet.c:48 expr_call_ops_eval net/netfilter/nf_tables_core.c:240 [inline] nft_do_chain+0x438/0x22a0 net/netfilter/nf_tables_core.c:288 nft_do_chain_inet+0x41a/0x4f0 net/netfilter/nft_chain_filter.c:161 nf_hook_entry_hookfn include/linux/netfilter.h:154 [inline] nf_hook_slow+0xf4/0x400 net/netfilter/core.c:626 nf_hook include/linux/netfilter.h:269 [inline] NF_HOOK include/linux/netfilter.h:312 [inline] ipv6_rcv+0x29b/0x390 net/ipv6/ip6_input.c:310 __netif_receive_skb_one_core net/core/dev.c:5661 [inline] __netif_receive_skb+0x1da/0xa00 net/core/dev.c:5775 process_backlog+0x4ad/0xa50 net/core/dev.c:6108 __napi_poll+0xe7/0x980 net/core/dev.c:6772 napi_poll net/core/dev.c:6841 [inline] net_rx_action+0xa5a/0x19b0 net/core/dev.c:6963 handle_softirqs+0x1ce/0x800 kernel/softirq.c:554 __do_softirq+0x14/0x1a kernel/softirq.c:588 do_softirq+0x9a/0x100 kernel/softirq.c:455 __local_bh_enable_ip+0x9f/0xb0 kernel/softirq.c:382 local_bh_enable include/linux/bottom_half.h:33 [inline] rcu_read_unlock_bh include/linux/rcupdate.h:908 [inline] __dev_queue_xmit+0x2692/0x5610 net/core/dev.c:4450 dev_queue_xmit include/linux/netdevice.h:3105 [inline] neigh_resolve_output+0x9ca/0xae0 net/core/neighbour.c:1565 neigh_output include/net/neighbour.h:542 [inline] ip6_finish_output2+0x2347/0x2ba0 net/ipv6/ip6_output.c:141 __ip6_finish_output net/ipv6/ip6_output.c:215 [inline] ip6_finish_output+0xbb8/0x14b0 net/ipv6/ip6_output.c:226 NF_HOOK_COND include/linux/netfilter.h:303 [inline] ip6_output+0x356/0x620 net/ipv6/ip6_output.c:247 dst_output include/net/dst.h:450 [inline] NF_HOOK include/linux/netfilter.h:314 [inline] ip6_xmit+0x1ba6/0x25d0 net/ipv6/ip6_output.c:366 inet6_csk_xmit+0x442/0x530 net/ipv6/inet6_connection_sock.c:135 __tcp_transmit_skb+0x3b07/0x4880 net/ipv4/tcp_output.c:1466 tcp_transmit_skb net/ipv4/tcp_output.c:1484 [inline] tcp_connect+0x35b6/0x7130 net/ipv4/tcp_output.c:4143 tcp_v6_connect+0x1bcc/0x1e40 net/ipv6/tcp_ipv6.c:333 __inet_stream_connect+0x2ef/0x1730 net/ipv4/af_inet.c:679 inet_stream_connect+0x6a/0xd0 net/ipv4/af_inet.c:750 __sys_connect_file net/socket.c:2061 [inline] __sys_connect+0x606/0x690 net/socket.c:2078 __do_sys_connect net/socket.c:2088 [inline] __se_sys_connect net/socket.c:2085 [inline] __x64_sys_connect+0x91/0xe0 net/socket.c:2085 x64_sys_call+0x27a5/0x3ba0 arch/x86/include/generated/asm/syscalls_64.h:43 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xcd/0x1e0 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f Uninit was stored to memory at: nf_reject_ip6_tcphdr_put+0x60c/0x6c0 net/ipv6/netfilter/nf_reject_ipv6.c:249 nf_send_reset6+0xd84/0x15b0 net/ipv6/netfilter/nf_reject_ipv6.c:344 nft_reject_inet_eval+0x3c1/0x880 net/netfilter/nft_reject_inet.c:48 expr_call_ops_eval net/netfilter/nf_tables_core.c:240 [inline] nft_do_chain+0x438/0x22a0 net/netfilter/nf_tables_core.c:288 nft_do_chain_inet+0x41a/0x4f0 net/netfilter/nft_chain_filter.c:161 nf_hook_entry_hookfn include/linux/netfilter.h:154 [inline] nf_hook_slow+0xf4/0x400 net/netfilter/core.c:626 nf_hook include/linux/netfilter.h:269 [inline] NF_HOOK include/linux/netfilter.h:312 [inline] ipv6_rcv+0x29b/0x390 net/ipv6/ip6_input.c:310 __netif_receive_skb_one_core net/core/dev.c:5661 [inline] __netif_receive_skb+0x1da/0xa00 net/core/dev.c:5775 process_backlog+0x4ad/0xa50 net/core/dev.c:6108 __napi_poll+0xe7/0x980 net/core/dev.c:6772 napi_poll net/core/dev.c:6841 [inline] net_rx_action+0xa5a/0x19b0 net/core/dev.c:6963 handle_softirqs+0x1ce/0x800 kernel/softirq.c:554 __do_softirq+0x14/0x1a kernel/softirq.c:588 Uninit was stored to memory at: nf_reject_ip6_tcphdr_put+0x2ca/0x6c0 net/ipv6/netfilter/nf_reject_ipv6.c:231 nf_send_reset6+0xd84/0x15b0 net/ipv6/netfilter/nf_reject_ipv6.c:344 nft_reject_inet_eval+0x3c1/0x880 net/netfilter/nft_reject_inet.c:48 expr_call_ops_eval net/netfilter/nf_tables_core.c:240 [inline] nft_do_chain+0x438/0x22a0 net/netfilter/nf_tables_core.c:288 nft_do_chain_inet+0x41a/0x4f0 net/netfilter/nft_chain_filter.c:161 nf_hook_entry_hookfn include/linux/netfilter.h:154 [inline] nf_hook_slow+0xf4/0x400 net/netfilter/core.c:626 nf_hook include/linux/netfilter.h:269 [inline] NF_HOOK include/linux/netfilter.h:312 [inline] ipv6_rcv+0x29b/0x390 net/ipv6/ip6_input.c:310 __netif_receive_skb_one_core net/core/dev.c:5661 [inline] __netif_receive_skb+0x1da/0xa00 net/core/dev.c:5775 process_backlog+0x4ad/0xa50 net/core/dev.c:6108 __napi_poll+0xe7/0x980 net/core/dev.c:6772 napi_poll net/core/dev.c:6841 [inline] net_rx_action+0xa5a/0x19b0 net/core/dev.c:6963 handle_softirqs+0x1ce/0x800 kernel/softirq.c:554 __do_softirq+0x14/0x1a kernel/softirq.c:588 Uninit was created at: slab_post_alloc_hook mm/slub.c:3998 [inline] slab_alloc_node mm/slub.c:4041 [inline] kmem_cache_alloc_node_noprof+0x6bf/0xb80 mm/slub.c:4084 kmalloc_reserve+0x13d/0x4a0 net/core/skbuff.c:583 __alloc_skb+0x363/0x7b0 net/core/skbuff.c:674 alloc_skb include/linux/skbuff.h:1320 [inline] nf_send_reset6+0x98d/0x15b0 net/ipv6/netfilter/nf_reject_ipv6.c:327 nft_reject_inet_eval+0x3c1/0x880 net/netfilter/nft_reject_inet.c:48 expr_call_ops_eval net/netfilter/nf_tables_core.c:240 [inline] nft_do_chain+0x438/0x22a0 net/netfilter/nf_tables_core.c:288 nft_do_chain_inet+0x41a/0x4f0 net/netfilter/nft_chain_filter.c:161 nf_hook_entry_hookfn include/linux/netfilter.h:154 [inline] nf_hook_slow+0xf4/0x400 net/netfilter/core.c:626 nf_hook include/linux/netfilter.h:269 [inline] NF_HOOK include/linux/netfilter.h:312 [inline] ipv6_rcv+0x29b/0x390 net/ipv6/ip6_input.c:310 __netif_receive_skb_one_core net/core/dev.c:5661 [inline] __netif_receive_skb+0x1da/0xa00 net/core/dev.c:5775 process_backlog+0x4ad/0xa50 net/core/dev.c:6108 __napi_poll+0xe7/0x980 net/core/dev.c:6772 napi_poll net/core/dev.c:6841 [inline] net_rx_action+0xa5a/0x19b0 net/core/dev.c:6963 handle_softirqs+0x1ce/0x800 kernel/softirq.c:554 __do_softirq+0x14/0x1a kernel/softirq.c:588 Fixes: c8d7b98bec43 ("netfilter: move nf_send_resetX() code to nf_reject_ipvX modules") Reported-by: syzbot Signed-off-by: Eric Dumazet Reviewed-by: Simon Horman Reviewed-by: Pablo Neira Ayuso Link: https://patch.msgid.link/20240913170615.3670897-1-edumazet@google.com Signed-off-by: Paolo Abeni Signed-off-by: Sasha Levin --- net/ipv6/netfilter/nf_reject_ipv6.c | 14 ++------------ 1 file changed, 2 insertions(+), 12 deletions(-) diff --git a/net/ipv6/netfilter/nf_reject_ipv6.c b/net/ipv6/netfilter/nf_reject_ipv6.c index 832d9f9cd10a..df572724f254 100644 --- a/net/ipv6/netfilter/nf_reject_ipv6.c +++ b/net/ipv6/netfilter/nf_reject_ipv6.c @@ -89,33 +89,23 @@ void nf_reject_ip6_tcphdr_put(struct sk_buff *nskb, const struct tcphdr *oth, unsigned int otcplen) { struct tcphdr *tcph; - int needs_ack; skb_reset_transport_header(nskb); - tcph = skb_put(nskb, sizeof(struct tcphdr)); + tcph = skb_put_zero(nskb, sizeof(struct tcphdr)); /* Truncate to length (no data) */ tcph->doff = sizeof(struct tcphdr)/4; tcph->source = oth->dest; tcph->dest = oth->source; if (oth->ack) { - needs_ack = 0; tcph->seq = oth->ack_seq; - tcph->ack_seq = 0; } else { - needs_ack = 1; tcph->ack_seq = htonl(ntohl(oth->seq) + oth->syn + oth->fin + otcplen - (oth->doff<<2)); - tcph->seq = 0; + tcph->ack = 1; } - /* Reset flags */ - ((u_int8_t *)tcph)[13] = 0; tcph->rst = 1; - tcph->ack = needs_ack; - tcph->window = 0; - tcph->urg_ptr = 0; - tcph->check = 0; /* Adjust TCP checksum */ tcph->check = csum_ipv6_magic(&ipv6_hdr(nskb)->saddr, From 338a0582b28e69460df03af50e938b86b4206353 Mon Sep 17 00:00:00 2001 From: Kaixin Wang Date: Sun, 15 Sep 2024 22:40:46 +0800 Subject: [PATCH 203/649] net: seeq: Fix use after free vulnerability in ether3 Driver Due to Race Condition [ Upstream commit b5109b60ee4fcb2f2bb24f589575e10cc5283ad4 ] In the ether3_probe function, a timer is initialized with a callback function ether3_ledoff, bound to &prev(dev)->timer. Once the timer is started, there is a risk of a race condition if the module or device is removed, triggering the ether3_remove function to perform cleanup. The sequence of operations that may lead to a UAF bug is as follows: CPU0 CPU1 | ether3_ledoff ether3_remove | free_netdev(dev); | put_devic | kfree(dev); | | ether3_outw(priv(dev)->regs.config2 |= CFG2_CTRLO, REG_CONFIG2); | // use dev Fix it by ensuring that the timer is canceled before proceeding with the cleanup in ether3_remove. Fixes: 6fd9c53f7186 ("net: seeq: Convert timers to use timer_setup()") Signed-off-by: Kaixin Wang Link: https://patch.msgid.link/20240915144045.451-1-kxwang23@m.fudan.edu.cn Signed-off-by: Paolo Abeni Signed-off-by: Sasha Levin --- drivers/net/ethernet/seeq/ether3.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/drivers/net/ethernet/seeq/ether3.c b/drivers/net/ethernet/seeq/ether3.c index 65c98837ec45..3d4a86bf8fd1 100644 --- a/drivers/net/ethernet/seeq/ether3.c +++ b/drivers/net/ethernet/seeq/ether3.c @@ -845,9 +845,11 @@ static void ether3_remove(struct expansion_card *ec) { struct net_device *dev = ecard_get_drvdata(ec); + ether3_outw(priv(dev)->regs.config2 |= CFG2_CTRLO, REG_CONFIG2); ecard_set_drvdata(ec, NULL); unregister_netdev(dev); + del_timer_sync(&priv(dev)->timer); free_netdev(dev); ecard_release_resources(ec); } From 98d14164c0a72a585f120c8593f7e03449b36c21 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Thomas=20Wei=C3=9Fschuh?= Date: Mon, 16 Sep 2024 20:57:13 +0200 Subject: [PATCH 204/649] net: ipv6: select DST_CACHE from IPV6_RPL_LWTUNNEL MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit [ Upstream commit 93c21077bb9ba08807c459982d440dbbee4c7af3 ] The rpl sr tunnel code contains calls to dst_cache_*() which are only present when the dst cache is built. Select DST_CACHE to build the dst cache, similar to other kconfig options in the same file. Compiling the rpl sr tunnel without DST_CACHE will lead to linker errors. Fixes: a7a29f9c361f ("net: ipv6: add rpl sr tunnel") Signed-off-by: Thomas Weißschuh Reviewed-by: Simon Horman Tested-by: Simon Horman # build-tested Signed-off-by: David S. Miller Signed-off-by: Sasha Levin --- net/ipv6/Kconfig | 1 + 1 file changed, 1 insertion(+) diff --git a/net/ipv6/Kconfig b/net/ipv6/Kconfig index 747f56e0c636..db430f7c45a2 100644 --- a/net/ipv6/Kconfig +++ b/net/ipv6/Kconfig @@ -322,6 +322,7 @@ config IPV6_RPL_LWTUNNEL bool "IPv6: RPL Source Routing Header support" depends on IPV6 select LWTUNNEL + select DST_CACHE help Support for RFC6554 RPL Source Routing Header using the lightweight tunnels mechanism. From 50460579fe87cb5c6d81a5eabbb08d78d8f0ba07 Mon Sep 17 00:00:00 2001 From: Fangzhi Zuo Date: Mon, 12 Aug 2024 12:13:44 -0400 Subject: [PATCH 205/649] drm/amd/display: Fix Synaptics Cascaded Panamera DSC Determination commit 4437936c6b696b98f3fe1d8679a2788c41b4df77 upstream. Synaptics Cascaded Panamera topology needs to unconditionally acquire root aux for dsc decoding. Reviewed-by: Roman Li Signed-off-by: Fangzhi Zuo Signed-off-by: Zaeem Mohamed Tested-by: Daniel Wheeler Signed-off-by: Alex Deucher Cc: Mario Limonciello Signed-off-by: Greg Kroah-Hartman --- drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_mst_types.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_mst_types.c b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_mst_types.c index 767b3d31c720..509c5556692a 100644 --- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_mst_types.c +++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_mst_types.c @@ -201,7 +201,7 @@ static bool validate_dsc_caps_on_connector(struct amdgpu_dm_connector *aconnecto aconnector->dsc_aux = &aconnector->mst_port->dm_dp_aux.aux; /* synaptics cascaded MST hub case */ - if (!aconnector->dsc_aux && is_synaptics_cascaded_panamera(aconnector->dc_link, port)) + if (is_synaptics_cascaded_panamera(aconnector->dc_link, port)) aconnector->dsc_aux = port->mgr->aux; if (!aconnector->dsc_aux) From ba624f656a8b671898424de7d70960d89d364925 Mon Sep 17 00:00:00 2001 From: Hans de Goede Date: Mon, 28 Feb 2022 22:52:31 -0800 Subject: [PATCH 206/649] Input: goodix - use the new soc_intel_is_byt() helper commit d176708ffc20332d1c730098d2b111e0b77ece82 upstream. Use the new soc_intel_is_byt() helper from linux/platform_data/x86/soc.h. Signed-off-by: Hans de Goede Link: https://lore.kernel.org/r/20220131143539.109142-5-hdegoede@redhat.com Signed-off-by: Dmitry Torokhov [Ricardo: Resolved minor cherry-pick conflict. The file linux/regulator/ consumer.h is not #included in the upstream version but it is in v5.10.y. ] Signed-off-by: Ricardo Neri Signed-off-by: Greg Kroah-Hartman --- drivers/input/touchscreen/goodix.c | 18 ++---------------- 1 file changed, 2 insertions(+), 16 deletions(-) diff --git a/drivers/input/touchscreen/goodix.c b/drivers/input/touchscreen/goodix.c index 53792a1b6ac3..440091064803 100644 --- a/drivers/input/touchscreen/goodix.c +++ b/drivers/input/touchscreen/goodix.c @@ -23,6 +23,7 @@ #include #include #include +#include #include #include #include @@ -718,21 +719,6 @@ static int goodix_reset(struct goodix_ts_data *ts) } #ifdef ACPI_GPIO_SUPPORT -#include -#include - -static const struct x86_cpu_id baytrail_cpu_ids[] = { - { X86_VENDOR_INTEL, 6, INTEL_FAM6_ATOM_SILVERMONT, X86_FEATURE_ANY, }, - {} -}; - -static inline bool is_byt(void) -{ - const struct x86_cpu_id *id = x86_match_cpu(baytrail_cpu_ids); - - return !!id; -} - static const struct acpi_gpio_params first_gpio = { 0, 0, false }; static const struct acpi_gpio_params second_gpio = { 1, 0, false }; @@ -816,7 +802,7 @@ static int goodix_add_acpi_gpio_mappings(struct goodix_ts_data *ts) dev_info(dev, "Using ACPI INTI and INTO methods for IRQ pin access\n"); ts->irq_pin_access_method = IRQ_PIN_ACCESS_ACPI_METHOD; gpio_mapping = acpi_goodix_reset_only_gpios; - } else if (is_byt() && ts->gpio_count == 2 && ts->gpio_int_idx == -1) { + } else if (soc_intel_is_byt() && ts->gpio_count == 2 && ts->gpio_int_idx == -1) { dev_info(dev, "No ACPI GpioInt resource, assuming that the GPIO order is reset, int\n"); ts->irq_pin_access_method = IRQ_PIN_ACCESS_ACPI_GPIO; gpio_mapping = acpi_goodix_int_last_gpios; From 089aece01a101e25bf0fd5dd1014e90b61740948 Mon Sep 17 00:00:00 2001 From: Sumeet Pawnikar Date: Thu, 8 Jun 2023 08:00:06 +0530 Subject: [PATCH 207/649] powercap: RAPL: fix invalid initialization for pl4_supported field commit d05b5e0baf424c8c4b4709ac11f66ab726c8deaf upstream. The current initialization of the struct x86_cpu_id via pl4_support_ids[] is partial and wrong. It is initializing "stepping" field with "X86_FEATURE_ANY" instead of "feature" field. Use X86_MATCH_INTEL_FAM6_MODEL macro instead of initializing each field of the struct x86_cpu_id for pl4_supported list of CPUs. This X86_MATCH_INTEL_FAM6_MODEL macro internally uses another macro X86_MATCH_VENDOR_FAM_MODEL_FEATURE for X86 based CPU matching with appropriate initialized values. Reported-by: Dave Hansen Link: https://lore.kernel.org/lkml/28ead36b-2d9e-1a36-6f4e-04684e420260@intel.com Fixes: eb52bc2ae5b8 ("powercap: RAPL: Add Power Limit4 support for Meteor Lake SoC") Fixes: b08b95cf30f5 ("powercap: RAPL: Add Power Limit4 support for Alder Lake-N and Raptor Lake-P") Fixes: 515755906921 ("powercap: RAPL: Add Power Limit4 support for RaptorLake") Fixes: 1cc5b9a411e4 ("powercap: Add Power Limit4 support for Alder Lake SoC") Fixes: 8365a898fe53 ("powercap: Add Power Limit4 support") Signed-off-by: Sumeet Pawnikar Signed-off-by: Rafael J. Wysocki [ Ricardo: I only kept TIGERLAKE in pl4_support_ids as only this model is enumerated before this changeset. ] Signed-off-by: Ricardo Neri Signed-off-by: Greg Kroah-Hartman --- drivers/powercap/intel_rapl_msr.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/powercap/intel_rapl_msr.c b/drivers/powercap/intel_rapl_msr.c index 6b68e5ed2081..17692b234f42 100644 --- a/drivers/powercap/intel_rapl_msr.c +++ b/drivers/powercap/intel_rapl_msr.c @@ -126,7 +126,7 @@ static int rapl_msr_write_raw(int cpu, struct reg_action *ra) /* List of verified CPUs. */ static const struct x86_cpu_id pl4_support_ids[] = { - { X86_VENDOR_INTEL, 6, INTEL_FAM6_TIGERLAKE_L, X86_FEATURE_ANY }, + X86_MATCH_INTEL_FAM6_MODEL(TIGERLAKE_L, NULL), {} }; From 892620144757bdd363cc1627712b1ba63114c8c0 Mon Sep 17 00:00:00 2001 From: Tony Luck Date: Wed, 24 Apr 2024 11:15:18 -0700 Subject: [PATCH 208/649] x86/mm: Switch to new Intel CPU model defines commit 2eda374e883ad297bd9fe575a16c1dc850346075 upstream. New CPU #defines encode vendor and family as well as model. [ dhansen: vertically align 0's in invlpg_miss_ids[] ] Signed-off-by: Tony Luck Signed-off-by: Dave Hansen Signed-off-by: Borislav Petkov (AMD) Link: https://lore.kernel.org/all/20240424181518.41946-1-tony.luck%40intel.com [ Ricardo: I used the old match macro X86_MATCH_INTEL_FAM6_MODEL() instead of X86_MATCH_VFM() as in the upstream commit. I also kept the ALDERLAKE_N name instead of ATOM_GRACEMONT. Both refer to the same CPU model. ] Signed-off-by: Ricardo Neri Signed-off-by: Greg Kroah-Hartman --- arch/x86/mm/init.c | 16 ++++++---------- 1 file changed, 6 insertions(+), 10 deletions(-) diff --git a/arch/x86/mm/init.c b/arch/x86/mm/init.c index dd15fdee4536..17f1a89e26fc 100644 --- a/arch/x86/mm/init.c +++ b/arch/x86/mm/init.c @@ -257,21 +257,17 @@ static void __init probe_page_size_mask(void) } } -#define INTEL_MATCH(_model) { .vendor = X86_VENDOR_INTEL, \ - .family = 6, \ - .model = _model, \ - } /* * INVLPG may not properly flush Global entries * on these CPUs when PCIDs are enabled. */ static const struct x86_cpu_id invlpg_miss_ids[] = { - INTEL_MATCH(INTEL_FAM6_ALDERLAKE ), - INTEL_MATCH(INTEL_FAM6_ALDERLAKE_L ), - INTEL_MATCH(INTEL_FAM6_ALDERLAKE_N ), - INTEL_MATCH(INTEL_FAM6_RAPTORLAKE ), - INTEL_MATCH(INTEL_FAM6_RAPTORLAKE_P), - INTEL_MATCH(INTEL_FAM6_RAPTORLAKE_S), + X86_MATCH_INTEL_FAM6_MODEL(ALDERLAKE, 0), + X86_MATCH_INTEL_FAM6_MODEL(ALDERLAKE_L, 0), + X86_MATCH_INTEL_FAM6_MODEL(ALDERLAKE_N, 0), + X86_MATCH_INTEL_FAM6_MODEL(RAPTORLAKE, 0), + X86_MATCH_INTEL_FAM6_MODEL(RAPTORLAKE_P, 0), + X86_MATCH_INTEL_FAM6_MODEL(RAPTORLAKE_S, 0), {} }; From ec31cf42fc4e35bb1248ce6eb1de6de9f851ac86 Mon Sep 17 00:00:00 2001 From: Josh Hunt Date: Tue, 10 Sep 2024 15:08:22 -0400 Subject: [PATCH 209/649] tcp: check skb is non-NULL in tcp_rto_delta_us() [ Upstream commit c8770db2d54437a5f49417ae7b46f7de23d14db6 ] We have some machines running stock Ubuntu 20.04.6 which is their 5.4.0-174-generic kernel that are running ceph and recently hit a null ptr dereference in tcp_rearm_rto(). Initially hitting it from the TLP path, but then later we also saw it getting hit from the RACK case as well. Here are examples of the oops messages we saw in each of those cases: Jul 26 15:05:02 rx [11061395.780353] BUG: kernel NULL pointer dereference, address: 0000000000000020 Jul 26 15:05:02 rx [11061395.787572] #PF: supervisor read access in kernel mode Jul 26 15:05:02 rx [11061395.792971] #PF: error_code(0x0000) - not-present page Jul 26 15:05:02 rx [11061395.798362] PGD 0 P4D 0 Jul 26 15:05:02 rx [11061395.801164] Oops: 0000 [#1] SMP NOPTI Jul 26 15:05:02 rx [11061395.805091] CPU: 0 PID: 9180 Comm: msgr-worker-1 Tainted: G W 5.4.0-174-generic #193-Ubuntu Jul 26 15:05:02 rx [11061395.814996] Hardware name: Supermicro SMC 2x26 os-gen8 64C NVME-Y 256G/H12SSW-NTR, BIOS 2.5.V1.2U.NVMe.UEFI 05/09/2023 Jul 26 15:05:02 rx [11061395.825952] RIP: 0010:tcp_rearm_rto+0xe4/0x160 Jul 26 15:05:02 rx [11061395.830656] Code: 87 ca 04 00 00 00 5b 41 5c 41 5d 5d c3 c3 49 8b bc 24 40 06 00 00 eb 8d 48 bb cf f7 53 e3 a5 9b c4 20 4c 89 ef e8 0c fe 0e 00 <48> 8b 78 20 48 c1 ef 03 48 89 f8 41 8b bc 24 80 04 00 00 48 f7 e3 Jul 26 15:05:02 rx [11061395.849665] RSP: 0018:ffffb75d40003e08 EFLAGS: 00010246 Jul 26 15:05:02 rx [11061395.855149] RAX: 0000000000000000 RBX: 20c49ba5e353f7cf RCX: 0000000000000000 Jul 26 15:05:02 rx [11061395.862542] RDX: 0000000062177c30 RSI: 000000000000231c RDI: ffff9874ad283a60 Jul 26 15:05:02 rx [11061395.869933] RBP: ffffb75d40003e20 R08: 0000000000000000 R09: ffff987605e20aa8 Jul 26 15:05:02 rx [11061395.877318] R10: ffffb75d40003f00 R11: ffffb75d4460f740 R12: ffff9874ad283900 Jul 26 15:05:02 rx [11061395.884710] R13: ffff9874ad283a60 R14: ffff9874ad283980 R15: ffff9874ad283d30 Jul 26 15:05:02 rx [11061395.892095] FS: 00007f1ef4a2e700(0000) GS:ffff987605e00000(0000) knlGS:0000000000000000 Jul 26 15:05:02 rx [11061395.900438] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 Jul 26 15:05:02 rx [11061395.906435] CR2: 0000000000000020 CR3: 0000003e450ba003 CR4: 0000000000760ef0 Jul 26 15:05:02 rx [11061395.913822] PKRU: 55555554 Jul 26 15:05:02 rx [11061395.916786] Call Trace: Jul 26 15:05:02 rx [11061395.919488] Jul 26 15:05:02 rx [11061395.921765] ? show_regs.cold+0x1a/0x1f Jul 26 15:05:02 rx [11061395.925859] ? __die+0x90/0xd9 Jul 26 15:05:02 rx [11061395.929169] ? no_context+0x196/0x380 Jul 26 15:05:02 rx [11061395.933088] ? ip6_protocol_deliver_rcu+0x4e0/0x4e0 Jul 26 15:05:02 rx [11061395.938216] ? ip6_sublist_rcv_finish+0x3d/0x50 Jul 26 15:05:02 rx [11061395.943000] ? __bad_area_nosemaphore+0x50/0x1a0 Jul 26 15:05:02 rx [11061395.947873] ? bad_area_nosemaphore+0x16/0x20 Jul 26 15:05:02 rx [11061395.952486] ? do_user_addr_fault+0x267/0x450 Jul 26 15:05:02 rx [11061395.957104] ? ipv6_list_rcv+0x112/0x140 Jul 26 15:05:02 rx [11061395.961279] ? __do_page_fault+0x58/0x90 Jul 26 15:05:02 rx [11061395.965458] ? do_page_fault+0x2c/0xe0 Jul 26 15:05:02 rx [11061395.969465] ? page_fault+0x34/0x40 Jul 26 15:05:02 rx [11061395.973217] ? tcp_rearm_rto+0xe4/0x160 Jul 26 15:05:02 rx [11061395.977313] ? tcp_rearm_rto+0xe4/0x160 Jul 26 15:05:02 rx [11061395.981408] tcp_send_loss_probe+0x10b/0x220 Jul 26 15:05:02 rx [11061395.985937] tcp_write_timer_handler+0x1b4/0x240 Jul 26 15:05:02 rx [11061395.990809] tcp_write_timer+0x9e/0xe0 Jul 26 15:05:02 rx [11061395.994814] ? tcp_write_timer_handler+0x240/0x240 Jul 26 15:05:02 rx [11061395.999866] call_timer_fn+0x32/0x130 Jul 26 15:05:02 rx [11061396.003782] __run_timers.part.0+0x180/0x280 Jul 26 15:05:02 rx [11061396.008309] ? recalibrate_cpu_khz+0x10/0x10 Jul 26 15:05:02 rx [11061396.012841] ? native_x2apic_icr_write+0x30/0x30 Jul 26 15:05:02 rx [11061396.017718] ? lapic_next_event+0x21/0x30 Jul 26 15:05:02 rx [11061396.021984] ? clockevents_program_event+0x8f/0xe0 Jul 26 15:05:02 rx [11061396.027035] run_timer_softirq+0x2a/0x50 Jul 26 15:05:02 rx [11061396.031212] __do_softirq+0xd1/0x2c1 Jul 26 15:05:02 rx [11061396.035044] do_softirq_own_stack+0x2a/0x40 Jul 26 15:05:02 rx [11061396.039480] Jul 26 15:05:02 rx [11061396.041840] do_softirq.part.0+0x46/0x50 Jul 26 15:05:02 rx [11061396.046022] __local_bh_enable_ip+0x50/0x60 Jul 26 15:05:02 rx [11061396.050460] _raw_spin_unlock_bh+0x1e/0x20 Jul 26 15:05:02 rx [11061396.054817] nf_conntrack_tcp_packet+0x29e/0xbe0 [nf_conntrack] Jul 26 15:05:02 rx [11061396.060994] ? get_l4proto+0xe7/0x190 [nf_conntrack] Jul 26 15:05:02 rx [11061396.066220] nf_conntrack_in+0xe9/0x670 [nf_conntrack] Jul 26 15:05:02 rx [11061396.071618] ipv6_conntrack_local+0x14/0x20 [nf_conntrack] Jul 26 15:05:02 rx [11061396.077356] nf_hook_slow+0x45/0xb0 Jul 26 15:05:02 rx [11061396.081098] ip6_xmit+0x3f0/0x5d0 Jul 26 15:05:02 rx [11061396.084670] ? ipv6_anycast_cleanup+0x50/0x50 Jul 26 15:05:02 rx [11061396.089282] ? __sk_dst_check+0x38/0x70 Jul 26 15:05:02 rx [11061396.093381] ? inet6_csk_route_socket+0x13b/0x200 Jul 26 15:05:02 rx [11061396.098346] inet6_csk_xmit+0xa7/0xf0 Jul 26 15:05:02 rx [11061396.102263] __tcp_transmit_skb+0x550/0xb30 Jul 26 15:05:02 rx [11061396.106701] tcp_write_xmit+0x3c6/0xc20 Jul 26 15:05:02 rx [11061396.110792] ? __alloc_skb+0x98/0x1d0 Jul 26 15:05:02 rx [11061396.114708] __tcp_push_pending_frames+0x37/0x100 Jul 26 15:05:02 rx [11061396.119667] tcp_push+0xfd/0x100 Jul 26 15:05:02 rx [11061396.123150] tcp_sendmsg_locked+0xc70/0xdd0 Jul 26 15:05:02 rx [11061396.127588] tcp_sendmsg+0x2d/0x50 Jul 26 15:05:02 rx [11061396.131245] inet6_sendmsg+0x43/0x70 Jul 26 15:05:02 rx [11061396.135075] __sock_sendmsg+0x48/0x70 Jul 26 15:05:02 rx [11061396.138994] ____sys_sendmsg+0x212/0x280 Jul 26 15:05:02 rx [11061396.143172] ___sys_sendmsg+0x88/0xd0 Jul 26 15:05:02 rx [11061396.147098] ? __seccomp_filter+0x7e/0x6b0 Jul 26 15:05:02 rx [11061396.151446] ? __switch_to+0x39c/0x460 Jul 26 15:05:02 rx [11061396.155453] ? __switch_to_asm+0x42/0x80 Jul 26 15:05:02 rx [11061396.159636] ? __switch_to_asm+0x5a/0x80 Jul 26 15:05:02 rx [11061396.163816] __sys_sendmsg+0x5c/0xa0 Jul 26 15:05:02 rx [11061396.167647] __x64_sys_sendmsg+0x1f/0x30 Jul 26 15:05:02 rx [11061396.171832] do_syscall_64+0x57/0x190 Jul 26 15:05:02 rx [11061396.175748] entry_SYSCALL_64_after_hwframe+0x5c/0xc1 Jul 26 15:05:02 rx [11061396.181055] RIP: 0033:0x7f1ef692618d Jul 26 15:05:02 rx [11061396.184893] Code: 28 89 54 24 1c 48 89 74 24 10 89 7c 24 08 e8 ca ee ff ff 8b 54 24 1c 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 2f 44 89 c7 48 89 44 24 08 e8 fe ee ff ff 48 Jul 26 15:05:02 rx [11061396.203889] RSP: 002b:00007f1ef4a26aa0 EFLAGS: 00000293 ORIG_RAX: 000000000000002e Jul 26 15:05:02 rx [11061396.211708] RAX: ffffffffffffffda RBX: 000000000000084b RCX: 00007f1ef692618d Jul 26 15:05:02 rx [11061396.219091] RDX: 0000000000004000 RSI: 00007f1ef4a26b10 RDI: 0000000000000275 Jul 26 15:05:02 rx [11061396.226475] RBP: 0000000000004000 R08: 0000000000000000 R09: 0000000000000020 Jul 26 15:05:02 rx [11061396.233859] R10: 0000000000000000 R11: 0000000000000293 R12: 000000000000084b Jul 26 15:05:02 rx [11061396.241243] R13: 00007f1ef4a26b10 R14: 0000000000000275 R15: 000055592030f1e8 Jul 26 15:05:02 rx [11061396.248628] Modules linked in: vrf bridge stp llc vxlan ip6_udp_tunnel udp_tunnel nls_iso8859_1 amd64_edac_mod edac_mce_amd kvm_amd kvm crct10dif_pclmul ghash_clmulni_intel aesni_intel crypto_simd cryptd glue_helper wmi_bmof ipmi_ssif input_leds joydev rndis_host cdc_ether usbnet mii ast drm_vram_helper ttm drm_kms_helper i2c_algo_bit fb_sys_fops syscopyarea sysfillrect sysimgblt ccp mac_hid ipmi_si ipmi_devintf ipmi_msghandler nft_ct sch_fq_codel nf_tables_set nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 nf_tables nfnetlink ramoops reed_solomon efi_pstore drm ip_tables x_tables autofs4 raid10 raid456 async_raid6_recov async_memcpy async_pq async_xor async_tx xor raid6_pq libcrc32c raid0 multipath linear mlx5_ib ib_uverbs ib_core raid1 mlx5_core hid_generic pci_hyperv_intf crc32_pclmul tls usbhid ahci mlxfw bnxt_en libahci hid nvme i2c_piix4 nvme_core wmi Jul 26 15:05:02 rx [11061396.324334] CR2: 0000000000000020 Jul 26 15:05:02 rx [11061396.327944] ---[ end trace 68a2b679d1cfb4f1 ]--- Jul 26 15:05:02 rx [11061396.433435] RIP: 0010:tcp_rearm_rto+0xe4/0x160 Jul 26 15:05:02 rx [11061396.438137] Code: 87 ca 04 00 00 00 5b 41 5c 41 5d 5d c3 c3 49 8b bc 24 40 06 00 00 eb 8d 48 bb cf f7 53 e3 a5 9b c4 20 4c 89 ef e8 0c fe 0e 00 <48> 8b 78 20 48 c1 ef 03 48 89 f8 41 8b bc 24 80 04 00 00 48 f7 e3 Jul 26 15:05:02 rx [11061396.457144] RSP: 0018:ffffb75d40003e08 EFLAGS: 00010246 Jul 26 15:05:02 rx [11061396.462629] RAX: 0000000000000000 RBX: 20c49ba5e353f7cf RCX: 0000000000000000 Jul 26 15:05:02 rx [11061396.470012] RDX: 0000000062177c30 RSI: 000000000000231c RDI: ffff9874ad283a60 Jul 26 15:05:02 rx [11061396.477396] RBP: ffffb75d40003e20 R08: 0000000000000000 R09: ffff987605e20aa8 Jul 26 15:05:02 rx [11061396.484779] R10: ffffb75d40003f00 R11: ffffb75d4460f740 R12: ffff9874ad283900 Jul 26 15:05:02 rx [11061396.492164] R13: ffff9874ad283a60 R14: ffff9874ad283980 R15: ffff9874ad283d30 Jul 26 15:05:02 rx [11061396.499547] FS: 00007f1ef4a2e700(0000) GS:ffff987605e00000(0000) knlGS:0000000000000000 Jul 26 15:05:02 rx [11061396.507886] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 Jul 26 15:05:02 rx [11061396.513884] CR2: 0000000000000020 CR3: 0000003e450ba003 CR4: 0000000000760ef0 Jul 26 15:05:02 rx [11061396.521267] PKRU: 55555554 Jul 26 15:05:02 rx [11061396.524230] Kernel panic - not syncing: Fatal exception in interrupt Jul 26 15:05:02 rx [11061396.530885] Kernel Offset: 0x1b200000 from 0xffffffff81000000 (relocation range: 0xffffffff80000000-0xffffffffbfffffff) Jul 26 15:05:03 rx [11061396.660181] ---[ end Kernel panic - not syncing: Fatal exception in interrupt ]--- After we hit this we disabled TLP by setting tcp_early_retrans to 0 and then hit the crash in the RACK case: Aug 7 07:26:16 rx [1006006.265582] BUG: kernel NULL pointer dereference, address: 0000000000000020 Aug 7 07:26:16 rx [1006006.272719] #PF: supervisor read access in kernel mode Aug 7 07:26:16 rx [1006006.278030] #PF: error_code(0x0000) - not-present page Aug 7 07:26:16 rx [1006006.283343] PGD 0 P4D 0 Aug 7 07:26:16 rx [1006006.286057] Oops: 0000 [#1] SMP NOPTI Aug 7 07:26:16 rx [1006006.289896] CPU: 5 PID: 0 Comm: swapper/5 Tainted: G W 5.4.0-174-generic #193-Ubuntu Aug 7 07:26:16 rx [1006006.299107] Hardware name: Supermicro SMC 2x26 os-gen8 64C NVME-Y 256G/H12SSW-NTR, BIOS 2.5.V1.2U.NVMe.UEFI 05/09/2023 Aug 7 07:26:16 rx [1006006.309970] RIP: 0010:tcp_rearm_rto+0xe4/0x160 Aug 7 07:26:16 rx [1006006.314584] Code: 87 ca 04 00 00 00 5b 41 5c 41 5d 5d c3 c3 49 8b bc 24 40 06 00 00 eb 8d 48 bb cf f7 53 e3 a5 9b c4 20 4c 89 ef e8 0c fe 0e 00 <48> 8b 78 20 48 c1 ef 03 48 89 f8 41 8b bc 24 80 04 00 00 48 f7 e3 Aug 7 07:26:16 rx [1006006.333499] RSP: 0018:ffffb42600a50960 EFLAGS: 00010246 Aug 7 07:26:16 rx [1006006.338895] RAX: 0000000000000000 RBX: 20c49ba5e353f7cf RCX: 0000000000000000 Aug 7 07:26:16 rx [1006006.346193] RDX: 0000000000000000 RSI: 0000000000000001 RDI: ffff92d687ed8160 Aug 7 07:26:16 rx [1006006.353489] RBP: ffffb42600a50978 R08: 0000000000000000 R09: 00000000cd896dcc Aug 7 07:26:16 rx [1006006.360786] R10: ffff92dc3404f400 R11: 0000000000000001 R12: ffff92d687ed8000 Aug 7 07:26:16 rx [1006006.368084] R13: ffff92d687ed8160 R14: 00000000cd896dcc R15: 00000000cd8fca81 Aug 7 07:26:16 rx [1006006.375381] FS: 0000000000000000(0000) GS:ffff93158ad40000(0000) knlGS:0000000000000000 Aug 7 07:26:16 rx [1006006.383632] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 Aug 7 07:26:16 rx [1006006.389544] CR2: 0000000000000020 CR3: 0000003e775ce006 CR4: 0000000000760ee0 Aug 7 07:26:16 rx [1006006.396839] PKRU: 55555554 Aug 7 07:26:16 rx [1006006.399717] Call Trace: Aug 7 07:26:16 rx [1006006.402335] Aug 7 07:26:16 rx [1006006.404525] ? show_regs.cold+0x1a/0x1f Aug 7 07:26:16 rx [1006006.408532] ? __die+0x90/0xd9 Aug 7 07:26:16 rx [1006006.411760] ? no_context+0x196/0x380 Aug 7 07:26:16 rx [1006006.415599] ? __bad_area_nosemaphore+0x50/0x1a0 Aug 7 07:26:16 rx [1006006.420392] ? _raw_spin_lock+0x1e/0x30 Aug 7 07:26:16 rx [1006006.424401] ? bad_area_nosemaphore+0x16/0x20 Aug 7 07:26:16 rx [1006006.428927] ? do_user_addr_fault+0x267/0x450 Aug 7 07:26:16 rx [1006006.433450] ? __do_page_fault+0x58/0x90 Aug 7 07:26:16 rx [1006006.437542] ? do_page_fault+0x2c/0xe0 Aug 7 07:26:16 rx [1006006.441470] ? page_fault+0x34/0x40 Aug 7 07:26:16 rx [1006006.445134] ? tcp_rearm_rto+0xe4/0x160 Aug 7 07:26:16 rx [1006006.449145] tcp_ack+0xa32/0xb30 Aug 7 07:26:16 rx [1006006.452542] tcp_rcv_established+0x13c/0x670 Aug 7 07:26:16 rx [1006006.456981] ? sk_filter_trim_cap+0x48/0x220 Aug 7 07:26:16 rx [1006006.461419] tcp_v6_do_rcv+0xdb/0x450 Aug 7 07:26:16 rx [1006006.465257] tcp_v6_rcv+0xc2b/0xd10 Aug 7 07:26:16 rx [1006006.468918] ip6_protocol_deliver_rcu+0xd3/0x4e0 Aug 7 07:26:16 rx [1006006.473706] ip6_input_finish+0x15/0x20 Aug 7 07:26:16 rx [1006006.477710] ip6_input+0xa2/0xb0 Aug 7 07:26:16 rx [1006006.481109] ? ip6_protocol_deliver_rcu+0x4e0/0x4e0 Aug 7 07:26:16 rx [1006006.486151] ip6_sublist_rcv_finish+0x3d/0x50 Aug 7 07:26:16 rx [1006006.490679] ip6_sublist_rcv+0x1aa/0x250 Aug 7 07:26:16 rx [1006006.494779] ? ip6_rcv_finish_core.isra.0+0xa0/0xa0 Aug 7 07:26:16 rx [1006006.499828] ipv6_list_rcv+0x112/0x140 Aug 7 07:26:16 rx [1006006.503748] __netif_receive_skb_list_core+0x1a4/0x250 Aug 7 07:26:16 rx [1006006.509057] netif_receive_skb_list_internal+0x1a1/0x2b0 Aug 7 07:26:16 rx [1006006.514538] gro_normal_list.part.0+0x1e/0x40 Aug 7 07:26:16 rx [1006006.519068] napi_complete_done+0x91/0x130 Aug 7 07:26:16 rx [1006006.523352] mlx5e_napi_poll+0x18e/0x610 [mlx5_core] Aug 7 07:26:16 rx [1006006.528481] net_rx_action+0x142/0x390 Aug 7 07:26:16 rx [1006006.532398] __do_softirq+0xd1/0x2c1 Aug 7 07:26:16 rx [1006006.536142] irq_exit+0xae/0xb0 Aug 7 07:26:16 rx [1006006.539452] do_IRQ+0x5a/0xf0 Aug 7 07:26:16 rx [1006006.542590] common_interrupt+0xf/0xf Aug 7 07:26:16 rx [1006006.546421] Aug 7 07:26:16 rx [1006006.548695] RIP: 0010:native_safe_halt+0xe/0x10 Aug 7 07:26:16 rx [1006006.553399] Code: 7b ff ff ff eb bd 90 90 90 90 90 90 e9 07 00 00 00 0f 00 2d 36 2c 50 00 f4 c3 66 90 e9 07 00 00 00 0f 00 2d 26 2c 50 00 fb f4 90 0f 1f 44 00 00 55 48 89 e5 41 55 41 54 53 e8 dd 5e 61 ff 65 Aug 7 07:26:16 rx [1006006.572309] RSP: 0018:ffffb42600177e70 EFLAGS: 00000246 ORIG_RAX: ffffffffffffffc2 Aug 7 07:26:16 rx [1006006.580040] RAX: ffffffff8ed08b20 RBX: 0000000000000005 RCX: 0000000000000001 Aug 7 07:26:16 rx [1006006.587337] RDX: 00000000f48eeca2 RSI: 0000000000000082 RDI: 0000000000000082 Aug 7 07:26:16 rx [1006006.594635] RBP: ffffb42600177e90 R08: 0000000000000000 R09: 000000000000020f Aug 7 07:26:16 rx [1006006.601931] R10: 0000000000100000 R11: 0000000000000000 R12: 0000000000000005 Aug 7 07:26:16 rx [1006006.609229] R13: ffff93157deb5f00 R14: 0000000000000000 R15: 0000000000000000 Aug 7 07:26:16 rx [1006006.616530] ? __cpuidle_text_start+0x8/0x8 Aug 7 07:26:16 rx [1006006.620886] ? default_idle+0x20/0x140 Aug 7 07:26:16 rx [1006006.624804] arch_cpu_idle+0x15/0x20 Aug 7 07:26:16 rx [1006006.628545] default_idle_call+0x23/0x30 Aug 7 07:26:16 rx [1006006.632640] do_idle+0x1fb/0x270 Aug 7 07:26:16 rx [1006006.636035] cpu_startup_entry+0x20/0x30 Aug 7 07:26:16 rx [1006006.640126] start_secondary+0x178/0x1d0 Aug 7 07:26:16 rx [1006006.644218] secondary_startup_64+0xa4/0xb0 Aug 7 07:26:17 rx [1006006.648568] Modules linked in: vrf bridge stp llc vxlan ip6_udp_tunnel udp_tunnel nls_iso8859_1 nft_ct amd64_edac_mod edac_mce_amd kvm_amd kvm crct10dif_pclmul ghash_clmulni_intel aesni_intel crypto_simd cryptd glue_helper wmi_bmof ipmi_ssif input_leds joydev rndis_host cdc_ether usbnet ast mii drm_vram_helper ttm drm_kms_helper i2c_algo_bit fb_sys_fops syscopyarea sysfillrect sysimgblt ccp mac_hid ipmi_si ipmi_devintf ipmi_msghandler sch_fq_codel nf_tables_set nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 nf_tables nfnetlink ramoops reed_solomon efi_pstore drm ip_tables x_tables autofs4 raid10 raid456 async_raid6_recov async_memcpy async_pq async_xor async_tx xor raid6_pq libcrc32c raid0 multipath linear mlx5_ib ib_uverbs ib_core raid1 hid_generic mlx5_core pci_hyperv_intf crc32_pclmul usbhid ahci tls mlxfw bnxt_en hid libahci nvme i2c_piix4 nvme_core wmi [last unloaded: cpuid] Aug 7 07:26:17 rx [1006006.726180] CR2: 0000000000000020 Aug 7 07:26:17 rx [1006006.729718] ---[ end trace e0e2e37e4e612984 ]--- Prior to seeing the first crash and on other machines we also see the warning in tcp_send_loss_probe() where packets_out is non-zero, but both transmit and retrans queues are empty so we know the box is seeing some accounting issue in this area: Jul 26 09:15:27 kernel: ------------[ cut here ]------------ Jul 26 09:15:27 kernel: invalid inflight: 2 state 1 cwnd 68 mss 8988 Jul 26 09:15:27 kernel: WARNING: CPU: 16 PID: 0 at net/ipv4/tcp_output.c:2605 tcp_send_loss_probe+0x214/0x220 Jul 26 09:15:27 kernel: Modules linked in: vrf bridge stp llc vxlan ip6_udp_tunnel udp_tunnel nls_iso8859_1 nft_ct amd64_edac_mod edac_mce_amd kvm_amd kvm crct10dif_pclmul ghash_clmulni_intel aesni_intel crypto_simd cryptd glue_helper wmi_bmof ipmi_ssif joydev input_leds rndis_host cdc_ether usbnet mii ast drm_vram_helper ttm drm_kms_he> Jul 26 09:15:27 kernel: CPU: 16 PID: 0 Comm: swapper/16 Not tainted 5.4.0-174-generic #193-Ubuntu Jul 26 09:15:27 kernel: Hardware name: Supermicro SMC 2x26 os-gen8 64C NVME-Y 256G/H12SSW-NTR, BIOS 2.5.V1.2U.NVMe.UEFI 05/09/2023 Jul 26 09:15:27 kernel: RIP: 0010:tcp_send_loss_probe+0x214/0x220 Jul 26 09:15:27 kernel: Code: 08 26 01 00 75 e2 41 0f b6 54 24 12 41 8b 8c 24 c0 06 00 00 45 89 f0 48 c7 c7 e0 b4 20 a7 c6 05 8d 08 26 01 01 e8 4a c0 0f 00 <0f> 0b eb ba 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 55 48 89 e5 41 Jul 26 09:15:27 kernel: RSP: 0018:ffffb7838088ce00 EFLAGS: 00010286 Jul 26 09:15:27 kernel: RAX: 0000000000000000 RBX: ffff9b84b5630430 RCX: 0000000000000006 Jul 26 09:15:27 kernel: RDX: 0000000000000007 RSI: 0000000000000096 RDI: ffff9b8e4621c8c0 Jul 26 09:15:27 kernel: RBP: ffffb7838088ce18 R08: 0000000000000927 R09: 0000000000000004 Jul 26 09:15:27 kernel: R10: 0000000000000000 R11: 0000000000000001 R12: ffff9b84b5630000 Jul 26 09:15:27 kernel: R13: 0000000000000000 R14: 000000000000231c R15: ffff9b84b5630430 Jul 26 09:15:27 kernel: FS: 0000000000000000(0000) GS:ffff9b8e46200000(0000) knlGS:0000000000000000 Jul 26 09:15:27 kernel: CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 Jul 26 09:15:27 kernel: CR2: 000056238cec2380 CR3: 0000003e49ede005 CR4: 0000000000760ee0 Jul 26 09:15:27 kernel: PKRU: 55555554 Jul 26 09:15:27 kernel: Call Trace: Jul 26 09:15:27 kernel: Jul 26 09:15:27 kernel: ? show_regs.cold+0x1a/0x1f Jul 26 09:15:27 kernel: ? __warn+0x98/0xe0 Jul 26 09:15:27 kernel: ? tcp_send_loss_probe+0x214/0x220 Jul 26 09:15:27 kernel: ? report_bug+0xd1/0x100 Jul 26 09:15:27 kernel: ? do_error_trap+0x9b/0xc0 Jul 26 09:15:27 kernel: ? do_invalid_op+0x3c/0x50 Jul 26 09:15:27 kernel: ? tcp_send_loss_probe+0x214/0x220 Jul 26 09:15:27 kernel: ? invalid_op+0x1e/0x30 Jul 26 09:15:27 kernel: ? tcp_send_loss_probe+0x214/0x220 Jul 26 09:15:27 kernel: tcp_write_timer_handler+0x1b4/0x240 Jul 26 09:15:27 kernel: tcp_write_timer+0x9e/0xe0 Jul 26 09:15:27 kernel: ? tcp_write_timer_handler+0x240/0x240 Jul 26 09:15:27 kernel: call_timer_fn+0x32/0x130 Jul 26 09:15:27 kernel: __run_timers.part.0+0x180/0x280 Jul 26 09:15:27 kernel: ? timerqueue_add+0x9b/0xb0 Jul 26 09:15:27 kernel: ? enqueue_hrtimer+0x3d/0x90 Jul 26 09:15:27 kernel: ? do_error_trap+0x9b/0xc0 Jul 26 09:15:27 kernel: ? do_invalid_op+0x3c/0x50 Jul 26 09:15:27 kernel: ? tcp_send_loss_probe+0x214/0x220 Jul 26 09:15:27 kernel: ? invalid_op+0x1e/0x30 Jul 26 09:15:27 kernel: ? tcp_send_loss_probe+0x214/0x220 Jul 26 09:15:27 kernel: tcp_write_timer_handler+0x1b4/0x240 Jul 26 09:15:27 kernel: tcp_write_timer+0x9e/0xe0 Jul 26 09:15:27 kernel: ? tcp_write_timer_handler+0x240/0x240 Jul 26 09:15:27 kernel: call_timer_fn+0x32/0x130 Jul 26 09:15:27 kernel: __run_timers.part.0+0x180/0x280 Jul 26 09:15:27 kernel: ? timerqueue_add+0x9b/0xb0 Jul 26 09:15:27 kernel: ? enqueue_hrtimer+0x3d/0x90 Jul 26 09:15:27 kernel: ? recalibrate_cpu_khz+0x10/0x10 Jul 26 09:15:27 kernel: ? ktime_get+0x3e/0xa0 Jul 26 09:15:27 kernel: ? native_x2apic_icr_write+0x30/0x30 Jul 26 09:15:27 kernel: run_timer_softirq+0x2a/0x50 Jul 26 09:15:27 kernel: __do_softirq+0xd1/0x2c1 Jul 26 09:15:27 kernel: irq_exit+0xae/0xb0 Jul 26 09:15:27 kernel: smp_apic_timer_interrupt+0x7b/0x140 Jul 26 09:15:27 kernel: apic_timer_interrupt+0xf/0x20 Jul 26 09:15:27 kernel: Jul 26 09:15:27 kernel: RIP: 0010:native_safe_halt+0xe/0x10 Jul 26 09:15:27 kernel: Code: 7b ff ff ff eb bd 90 90 90 90 90 90 e9 07 00 00 00 0f 00 2d 36 2c 50 00 f4 c3 66 90 e9 07 00 00 00 0f 00 2d 26 2c 50 00 fb f4 90 0f 1f 44 00 00 55 48 89 e5 41 55 41 54 53 e8 dd 5e 61 ff 65 Jul 26 09:15:27 kernel: RSP: 0018:ffffb783801cfe70 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13 Jul 26 09:15:27 kernel: RAX: ffffffffa6908b20 RBX: 0000000000000010 RCX: 0000000000000001 Jul 26 09:15:27 kernel: RDX: 000000006fc0c97e RSI: 0000000000000082 RDI: 0000000000000082 Jul 26 09:15:27 kernel: RBP: ffffb783801cfe90 R08: 0000000000000000 R09: 0000000000000225 Jul 26 09:15:27 kernel: R10: 0000000000100000 R11: 0000000000000000 R12: 0000000000000010 Jul 26 09:15:27 kernel: R13: ffff9b8e390b0000 R14: 0000000000000000 R15: 0000000000000000 Jul 26 09:15:27 kernel: ? __cpuidle_text_start+0x8/0x8 Jul 26 09:15:27 kernel: ? default_idle+0x20/0x140 Jul 26 09:15:27 kernel: arch_cpu_idle+0x15/0x20 Jul 26 09:15:27 kernel: default_idle_call+0x23/0x30 Jul 26 09:15:27 kernel: do_idle+0x1fb/0x270 Jul 26 09:15:27 kernel: cpu_startup_entry+0x20/0x30 Jul 26 09:15:27 kernel: start_secondary+0x178/0x1d0 Jul 26 09:15:27 kernel: secondary_startup_64+0xa4/0xb0 Jul 26 09:15:27 kernel: ---[ end trace e7ac822987e33be1 ]--- The NULL ptr deref is coming from tcp_rto_delta_us() attempting to pull an skb off the head of the retransmit queue and then dereferencing that skb to get the skb_mstamp_ns value via tcp_skb_timestamp_us(skb). The crash is the same one that was reported a # of years ago here: https://lore.kernel.org/netdev/86c0f836-9a7c-438b-d81a-839be45f1f58@gmail.com/T/#t and the kernel we're running has the fix which was added to resolve this issue. Unfortunately we've been unsuccessful so far in reproducing this problem in the lab and do not have the luxury of pushing out a new kernel to try and test if newer kernels resolve this issue at the moment. I realize this is a report against both an Ubuntu kernel and also an older 5.4 kernel. I have reported this issue to Ubuntu here: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/2077657 however I feel like since this issue has possibly cropped up again it makes sense to build in some protection in this path (even on the latest kernel versions) since the code in question just blindly assumes there's a valid skb without testing if it's NULL b/f it looks at the timestamp. Given we have seen crashes in this path before and now this case it seems like we should protect ourselves for when packets_out accounting is incorrect. While we should fix that root cause we should also just make sure the skb is not NULL before dereferencing it. Also add a warn once here to capture some information if/when the problem case is hit again. Fixes: e1a10ef7fa87 ("tcp: introduce tcp_rto_delta_us() helper for xmit timer fix") Signed-off-by: Josh Hunt Acked-by: Neal Cardwell Signed-off-by: David S. Miller Signed-off-by: Sasha Levin --- include/net/tcp.h | 21 +++++++++++++++++++-- 1 file changed, 19 insertions(+), 2 deletions(-) diff --git a/include/net/tcp.h b/include/net/tcp.h index d6e4b6f7d6ce..2aad2e79ac6a 100644 --- a/include/net/tcp.h +++ b/include/net/tcp.h @@ -2113,9 +2113,26 @@ static inline s64 tcp_rto_delta_us(const struct sock *sk) { const struct sk_buff *skb = tcp_rtx_queue_head(sk); u32 rto = inet_csk(sk)->icsk_rto; - u64 rto_time_stamp_us = tcp_skb_timestamp_us(skb) + jiffies_to_usecs(rto); - return rto_time_stamp_us - tcp_sk(sk)->tcp_mstamp; + if (likely(skb)) { + u64 rto_time_stamp_us = tcp_skb_timestamp_us(skb) + jiffies_to_usecs(rto); + + return rto_time_stamp_us - tcp_sk(sk)->tcp_mstamp; + } else { + WARN_ONCE(1, + "rtx queue emtpy: " + "out:%u sacked:%u lost:%u retrans:%u " + "tlp_high_seq:%u sk_state:%u ca_state:%u " + "advmss:%u mss_cache:%u pmtu:%u\n", + tcp_sk(sk)->packets_out, tcp_sk(sk)->sacked_out, + tcp_sk(sk)->lost_out, tcp_sk(sk)->retrans_out, + tcp_sk(sk)->tlp_high_seq, sk->sk_state, + inet_csk(sk)->icsk_ca_state, + tcp_sk(sk)->advmss, tcp_sk(sk)->mss_cache, + inet_csk(sk)->icsk_pmtu_cookie); + return jiffies_to_usecs(rto); + } + } /* From 6c36857fe5641ce7e08d61b57f040e724d7c23dc Mon Sep 17 00:00:00 2001 From: Youssef Samir Date: Mon, 16 Sep 2024 19:08:58 +0200 Subject: [PATCH 210/649] net: qrtr: Update packets cloning when broadcasting [ Upstream commit f011b313e8ebd5b7abd8521b5119aecef403de45 ] When broadcasting data to multiple nodes via MHI, using skb_clone() causes all nodes to receive the same header data. This can result in packets being discarded by endpoints, leading to lost data. This issue occurs when a socket is closed, and a QRTR_TYPE_DEL_CLIENT packet is broadcasted. All nodes receive the same destination node ID, causing the node connected to the client to discard the packet and remain unaware of the client's deletion. Replace skb_clone() with pskb_copy(), to create a separate copy of the header for each sk_buff. Fixes: bdabad3e363d ("net: Add Qualcomm IPC router") Signed-off-by: Youssef Samir Reviewed-by: Jeffery Hugo Reviewed-by: Carl Vanderlip Reviewed-by: Chris Lew Link: https://patch.msgid.link/20240916170858.2382247-1-quic_yabdulra@quicinc.com Signed-off-by: Paolo Abeni Signed-off-by: Sasha Levin --- net/qrtr/af_qrtr.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/net/qrtr/af_qrtr.c b/net/qrtr/af_qrtr.c index 29c0886eb9ef..8476a229bce0 100644 --- a/net/qrtr/af_qrtr.c +++ b/net/qrtr/af_qrtr.c @@ -863,7 +863,7 @@ static int qrtr_bcast_enqueue(struct qrtr_node *node, struct sk_buff *skb, mutex_lock(&qrtr_node_lock); list_for_each_entry(node, &qrtr_all_nodes, item) { - skbn = skb_clone(skb, GFP_KERNEL); + skbn = pskb_copy(skb, GFP_KERNEL); if (!skbn) break; skb_set_owner_w(skbn, skb->sk); From db9c5f08eea34cf4ec8c7c021819b78a2e129aa5 Mon Sep 17 00:00:00 2001 From: Phil Sutter Date: Thu, 12 Sep 2024 14:21:33 +0200 Subject: [PATCH 211/649] netfilter: nf_tables: Keep deleted flowtable hooks until after RCU [ Upstream commit 642c89c475419b4d0c0d90e29d9c1a0e4351f379 ] Documentation of list_del_rcu() warns callers to not immediately free the deleted list item. While it seems not necessary to use the RCU-variant of list_del() here in the first place, doing so seems to require calling kfree_rcu() on the deleted item as well. Fixes: 3f0465a9ef02 ("netfilter: nf_tables: dynamically allocate hooks per net_device in flowtables") Signed-off-by: Phil Sutter Signed-off-by: Pablo Neira Ayuso Signed-off-by: Sasha Levin --- net/netfilter/nf_tables_api.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/net/netfilter/nf_tables_api.c b/net/netfilter/nf_tables_api.c index 9e2695bedd2c..2bd1c7e7edc3 100644 --- a/net/netfilter/nf_tables_api.c +++ b/net/netfilter/nf_tables_api.c @@ -7625,7 +7625,7 @@ static void nf_tables_flowtable_destroy(struct nft_flowtable *flowtable) flowtable->data.type->setup(&flowtable->data, hook->ops.dev, FLOW_BLOCK_UNBIND); list_del_rcu(&hook->list); - kfree(hook); + kfree_rcu(hook, rcu); } kfree(flowtable->name); module_put(flowtable->data.type->owner); From e0dbda9f26e29a11ff3361ecf9f07b70986ed3b4 Mon Sep 17 00:00:00 2001 From: Simon Horman Date: Mon, 16 Sep 2024 16:14:41 +0100 Subject: [PATCH 212/649] netfilter: ctnetlink: compile ctnetlink_label_size with CONFIG_NF_CONNTRACK_EVENTS [ Upstream commit e1f1ee0e9ad8cbe660f5c104e791c5f1a7cf4c31 ] Only provide ctnetlink_label_size when it is used, which is when CONFIG_NF_CONNTRACK_EVENTS is configured. Flagged by clang-18 W=1 builds as: .../nf_conntrack_netlink.c:385:19: warning: unused function 'ctnetlink_label_size' [-Wunused-function] 385 | static inline int ctnetlink_label_size(const struct nf_conn *ct) | ^~~~~~~~~~~~~~~~~~~~ The condition on CONFIG_NF_CONNTRACK_LABELS being removed by this patch guards compilation of non-trivial implementations of ctnetlink_dump_labels() and ctnetlink_label_size(). However, this is not necessary as each of these functions will always return 0 if CONFIG_NF_CONNTRACK_LABELS is not defined as each function starts with the equivalent of: struct nf_conn_labels *labels = nf_ct_labels_find(ct); if (!labels) return 0; And nf_ct_labels_find always returns NULL if CONFIG_NF_CONNTRACK_LABELS is not enabled. So I believe that the compiler optimises the code away in such cases anyway. Found by inspection. Compile tested only. Originally splitted in two patches, Pablo Neira Ayuso collapsed them and added Fixes: tag. Fixes: 0ceabd83875b ("netfilter: ctnetlink: deliver labels to userspace") Link: https://lore.kernel.org/netfilter-devel/20240909151712.GZ2097826@kernel.org/ Signed-off-by: Simon Horman Signed-off-by: Pablo Neira Ayuso Signed-off-by: Sasha Levin --- net/netfilter/nf_conntrack_netlink.c | 7 ++----- 1 file changed, 2 insertions(+), 5 deletions(-) diff --git a/net/netfilter/nf_conntrack_netlink.c b/net/netfilter/nf_conntrack_netlink.c index b55e87143c2c..8c9edad0826e 100644 --- a/net/netfilter/nf_conntrack_netlink.c +++ b/net/netfilter/nf_conntrack_netlink.c @@ -365,7 +365,7 @@ static int ctnetlink_dump_secctx(struct sk_buff *skb, const struct nf_conn *ct) #define ctnetlink_dump_secctx(a, b) (0) #endif -#ifdef CONFIG_NF_CONNTRACK_LABELS +#ifdef CONFIG_NF_CONNTRACK_EVENTS static inline int ctnetlink_label_size(const struct nf_conn *ct) { struct nf_conn_labels *labels = nf_ct_labels_find(ct); @@ -374,6 +374,7 @@ static inline int ctnetlink_label_size(const struct nf_conn *ct) return 0; return nla_total_size(sizeof(labels->bits)); } +#endif static int ctnetlink_dump_labels(struct sk_buff *skb, const struct nf_conn *ct) @@ -394,10 +395,6 @@ ctnetlink_dump_labels(struct sk_buff *skb, const struct nf_conn *ct) return 0; } -#else -#define ctnetlink_dump_labels(a, b) (0) -#define ctnetlink_label_size(a) (0) -#endif #define master_tuple(ct) &(ct->master->tuplehash[IP_CT_DIR_ORIGINAL].tuple) From bfe249c15122975879399cda0ccd7b75af777425 Mon Sep 17 00:00:00 2001 From: Pu Lehui Date: Fri, 27 Sep 2024 13:51:16 +0000 Subject: [PATCH 213/649] Revert "bpf: Fix DEVMAP_HASH overflow check on 32-bit arches" This reverts commit 225da02acdc97af01b6bc6ce1a3e5362bf01d3fb which is commit 281d464a34f540de166cee74b723e97ac2515ec3 upstream. Commit 225da02acdc9 ("bpf: fix DEVMAP_HASH overflow check on 32-bit architectures") relies on the v5.11+ base mechanism of memcg-based memory accounting[0], which is not yet supported on the 5.10 stable branch, so let's revert this commit in preparation for re-adapting it. Link: https://lore.kernel.org/bpf/20201201215900.3569844-1-guro@fb.com [0] Signed-off-by: Pu Lehui Signed-off-by: Greg Kroah-Hartman --- kernel/bpf/devmap.c | 11 +++++------ 1 file changed, 5 insertions(+), 6 deletions(-) diff --git a/kernel/bpf/devmap.c b/kernel/bpf/devmap.c index 07b5edb2c70f..ca2cade2871b 100644 --- a/kernel/bpf/devmap.c +++ b/kernel/bpf/devmap.c @@ -129,14 +129,13 @@ static int dev_map_init_map(struct bpf_dtab *dtab, union bpf_attr *attr) bpf_map_init_from_attr(&dtab->map, attr); if (attr->map_type == BPF_MAP_TYPE_DEVMAP_HASH) { - /* hash table size must be power of 2; roundup_pow_of_two() can - * overflow into UB on 32-bit arches, so check that first - */ - if (dtab->map.max_entries > 1UL << 31) - return -EINVAL; - dtab->n_buckets = roundup_pow_of_two(dtab->map.max_entries); + if (!dtab->n_buckets) /* Overflow check */ + return -EINVAL; + } + + if (attr->map_type == BPF_MAP_TYPE_DEVMAP_HASH) { dtab->dev_index_head = dev_map_create_hash(dtab->n_buckets, dtab->map.numa_node); if (!dtab->dev_index_head) From 0e6378dd9bbc7fdc5f990d4661f3bfaf8ed0385a Mon Sep 17 00:00:00 2001 From: Pu Lehui Date: Fri, 27 Sep 2024 13:51:17 +0000 Subject: [PATCH 214/649] Revert "bpf: Eliminate rlimit-based memory accounting for devmap maps" This reverts commit 70294d8bc31f3b7789e5e32f757aa9344556d964 which is commit 844f157f6c0a905d039d2e20212ab3231f2e5eaf upstream. Commit 70294d8bc31f ("bpf: Eliminate rlimit-based memory accounting for devmap maps") is part of the v5.11+ base mechanism of memcg-based memory accounting[0]. The commit cannot be independently backported to the 5.10 stable branch, otherwise the related memory when creating devmap will be unrestricted. Let's roll back to rlimit-based memory accounting mode for devmap. Link: https://lore.kernel.org/bpf/20201201215900.3569844-1-guro@fb.com [0] Signed-off-by: Pu Lehui Signed-off-by: Greg Kroah-Hartman --- kernel/bpf/devmap.c | 18 ++++++++++++++++-- 1 file changed, 16 insertions(+), 2 deletions(-) diff --git a/kernel/bpf/devmap.c b/kernel/bpf/devmap.c index ca2cade2871b..01149821ded9 100644 --- a/kernel/bpf/devmap.c +++ b/kernel/bpf/devmap.c @@ -109,6 +109,8 @@ static inline struct hlist_head *dev_map_index_hash(struct bpf_dtab *dtab, static int dev_map_init_map(struct bpf_dtab *dtab, union bpf_attr *attr) { u32 valsize = attr->value_size; + u64 cost = 0; + int err; /* check sanity of attributes. 2 value sizes supported: * 4 bytes: ifindex @@ -133,13 +135,21 @@ static int dev_map_init_map(struct bpf_dtab *dtab, union bpf_attr *attr) if (!dtab->n_buckets) /* Overflow check */ return -EINVAL; + cost += (u64) sizeof(struct hlist_head) * dtab->n_buckets; + } else { + cost += (u64) dtab->map.max_entries * sizeof(struct bpf_dtab_netdev *); } + /* if map size is larger than memlock limit, reject it */ + err = bpf_map_charge_init(&dtab->map.memory, cost); + if (err) + return -EINVAL; + if (attr->map_type == BPF_MAP_TYPE_DEVMAP_HASH) { dtab->dev_index_head = dev_map_create_hash(dtab->n_buckets, dtab->map.numa_node); if (!dtab->dev_index_head) - return -ENOMEM; + goto free_charge; spin_lock_init(&dtab->index_lock); } else { @@ -147,10 +157,14 @@ static int dev_map_init_map(struct bpf_dtab *dtab, union bpf_attr *attr) sizeof(struct bpf_dtab_netdev *), dtab->map.numa_node); if (!dtab->netdev_map) - return -ENOMEM; + goto free_charge; } return 0; + +free_charge: + bpf_map_charge_finish(&dtab->map.memory); + return -ENOMEM; } static struct bpf_map *dev_map_alloc(union bpf_attr *attr) From 4b81a9f92b3676cb74b907a7a209b3d15bd9a7f9 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Toke=20H=C3=B8iland-J=C3=B8rgensen?= Date: Fri, 27 Sep 2024 13:51:18 +0000 Subject: [PATCH 215/649] bpf: Fix DEVMAP_HASH overflow check on 32-bit arches MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit [ Upstream commit 281d464a34f540de166cee74b723e97ac2515ec3 ] The devmap code allocates a number hash buckets equal to the next power of two of the max_entries value provided when creating the map. When rounding up to the next power of two, the 32-bit variable storing the number of buckets can overflow, and the code checks for overflow by checking if the truncated 32-bit value is equal to 0. However, on 32-bit arches the rounding up itself can overflow mid-way through, because it ends up doing a left-shift of 32 bits on an unsigned long value. If the size of an unsigned long is four bytes, this is undefined behaviour, so there is no guarantee that we'll end up with a nice and tidy 0-value at the end. Syzbot managed to turn this into a crash on arm32 by creating a DEVMAP_HASH with max_entries > 0x80000000 and then trying to update it. Fix this by moving the overflow check to before the rounding up operation. Fixes: 6f9d451ab1a3 ("xdp: Add devmap_hash map type for looking up devices by hashed index") Link: https://lore.kernel.org/r/000000000000ed666a0611af6818@google.com Reported-and-tested-by: syzbot+8cd36f6b65f3cafd400a@syzkaller.appspotmail.com Signed-off-by: Toke Høiland-Jørgensen Message-ID: <20240307120340.99577-2-toke@redhat.com> Signed-off-by: Alexei Starovoitov Signed-off-by: Pu Lehui Signed-off-by: Greg Kroah-Hartman --- kernel/bpf/devmap.c | 9 ++++++--- 1 file changed, 6 insertions(+), 3 deletions(-) diff --git a/kernel/bpf/devmap.c b/kernel/bpf/devmap.c index 01149821ded9..7eb1282edc8e 100644 --- a/kernel/bpf/devmap.c +++ b/kernel/bpf/devmap.c @@ -131,10 +131,13 @@ static int dev_map_init_map(struct bpf_dtab *dtab, union bpf_attr *attr) bpf_map_init_from_attr(&dtab->map, attr); if (attr->map_type == BPF_MAP_TYPE_DEVMAP_HASH) { - dtab->n_buckets = roundup_pow_of_two(dtab->map.max_entries); - - if (!dtab->n_buckets) /* Overflow check */ + /* hash table size must be power of 2; roundup_pow_of_two() can + * overflow into UB on 32-bit arches, so check that first + */ + if (dtab->map.max_entries > 1UL << 31) return -EINVAL; + + dtab->n_buckets = roundup_pow_of_two(dtab->map.max_entries); cost += (u64) sizeof(struct hlist_head) * dtab->n_buckets; } else { cost += (u64) dtab->map.max_entries * sizeof(struct bpf_dtab_netdev *); From 2dbc4b7bac60b02cc6e70d05bf6a7dfd551f9dda Mon Sep 17 00:00:00 2001 From: Scott Mayhew Date: Wed, 28 Aug 2024 15:51:29 -0400 Subject: [PATCH 216/649] selinux,smack: don't bypass permissions check in inode_setsecctx hook commit 76a0e79bc84f466999fa501fce5bf7a07641b8a7 upstream. Marek Gresko reports that the root user on an NFS client is able to change the security labels on files on an NFS filesystem that is exported with root squashing enabled. The end of the kerneldoc comment for __vfs_setxattr_noperm() states: * This function requires the caller to lock the inode's i_mutex before it * is executed. It also assumes that the caller will make the appropriate * permission checks. nfsd_setattr() does do permissions checking via fh_verify() and nfsd_permission(), but those don't do all the same permissions checks that are done by security_inode_setxattr() and its related LSM hooks do. Since nfsd_setattr() is the only consumer of security_inode_setsecctx(), simplest solution appears to be to replace the call to __vfs_setxattr_noperm() with a call to __vfs_setxattr_locked(). This fixes the above issue and has the added benefit of causing nfsd to recall conflicting delegations on a file when a client tries to change its security label. Cc: stable@kernel.org Reported-by: Marek Gresko Link: https://bugzilla.kernel.org/show_bug.cgi?id=218809 Signed-off-by: Scott Mayhew Tested-by: Stephen Smalley Reviewed-by: Stephen Smalley Reviewed-by: Chuck Lever Reviewed-by: Jeff Layton Acked-by: Casey Schaufler Signed-off-by: Paul Moore [Shivani: Modified to apply on v5.10.y] Signed-off-by: Shivani Agarwal Signed-off-by: Greg Kroah-Hartman --- security/selinux/hooks.c | 3 ++- security/smack/smack_lsm.c | 3 ++- 2 files changed, 4 insertions(+), 2 deletions(-) diff --git a/security/selinux/hooks.c b/security/selinux/hooks.c index 46c00a68bb4b..90935ed3d8d8 100644 --- a/security/selinux/hooks.c +++ b/security/selinux/hooks.c @@ -6570,7 +6570,8 @@ static int selinux_inode_notifysecctx(struct inode *inode, void *ctx, u32 ctxlen */ static int selinux_inode_setsecctx(struct dentry *dentry, void *ctx, u32 ctxlen) { - return __vfs_setxattr_noperm(dentry, XATTR_NAME_SELINUX, ctx, ctxlen, 0); + return __vfs_setxattr_locked(dentry, XATTR_NAME_SELINUX, ctx, ctxlen, 0, + NULL); } static int selinux_inode_getsecctx(struct inode *inode, void **ctx, u32 *ctxlen) diff --git a/security/smack/smack_lsm.c b/security/smack/smack_lsm.c index 92bc6c9d793d..cb4801fcf9a8 100644 --- a/security/smack/smack_lsm.c +++ b/security/smack/smack_lsm.c @@ -4651,7 +4651,8 @@ static int smack_inode_notifysecctx(struct inode *inode, void *ctx, u32 ctxlen) static int smack_inode_setsecctx(struct dentry *dentry, void *ctx, u32 ctxlen) { - return __vfs_setxattr_noperm(dentry, XATTR_NAME_SMACK, ctx, ctxlen, 0); + return __vfs_setxattr_locked(dentry, XATTR_NAME_SMACK, ctx, ctxlen, 0, + NULL); } static int smack_inode_getsecctx(struct inode *inode, void **ctx, u32 *ctxlen) From f291dc4cbc653ba5221731f16a5640cd4db9ad11 Mon Sep 17 00:00:00 2001 From: "Matthieu Baerts (NGI0)" Date: Mon, 30 Sep 2024 18:23:46 +0200 Subject: [PATCH 217/649] mptcp: fix sometimes-uninitialized warning Nathan reported this issue: $ make -skj"$(nproc)" ARCH=x86_64 LLVM=1 LLVM_IAS=1 mrproper allmodconfig net/mptcp/subflow.o net/mptcp/subflow.c:877:6: warning: variable 'incr' is used uninitialized whenever 'if' condition is true [-Wsometimes-uninitialized] 877 | if (WARN_ON_ONCE(offset > skb->len)) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ include/asm-generic/bug.h:101:33: note: expanded from macro 'WARN_ON_ONCE' 101 | #define WARN_ON_ONCE(condition) ({ \ | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ 102 | int __ret_warn_on = !!(condition); \ | ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ 103 | if (unlikely(__ret_warn_on)) \ | ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ 104 | __WARN_FLAGS(BUGFLAG_ONCE | \ | ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ 105 | BUGFLAG_TAINT(TAINT_WARN)); \ | ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ 106 | unlikely(__ret_warn_on); \ | ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ 107 | }) | ~~ net/mptcp/subflow.c:893:6: note: uninitialized use occurs here 893 | if (incr) | ^~~~ net/mptcp/subflow.c:877:2: note: remove the 'if' if its condition is always false 877 | if (WARN_ON_ONCE(offset > skb->len)) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ 878 | goto out; | ~~~~~~~~ net/mptcp/subflow.c:874:18: note: initialize the variable 'incr' to silence this warning 874 | u32 offset, incr, avail_len; | ^ | = 0 1 warning generated. As mentioned by Nathan, this issue is present because 5.10 does not include commit ea4ca586b16f ("mptcp: refine MPTCP-level ack scheduling"), which removed the use of 'incr' in the error path added by this change. This other commit does not really look suitable for stable, hence this dedicated patch for 5.10. Fixes: e93fa44f0714 ("mptcp: fix duplicate data handling") Reported-by: Nathan Chancellor Closes: https://lore.kernel.org/20240928175524.GA1713144@thelio-3990X Signed-off-by: Matthieu Baerts (NGI0) Signed-off-by: Greg Kroah-Hartman --- net/mptcp/subflow.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/net/mptcp/subflow.c b/net/mptcp/subflow.c index 8a0ef50c307c..843c61ebd421 100644 --- a/net/mptcp/subflow.c +++ b/net/mptcp/subflow.c @@ -871,7 +871,7 @@ static void mptcp_subflow_discard_data(struct sock *ssk, struct sk_buff *skb, struct mptcp_subflow_context *subflow = mptcp_subflow_ctx(ssk); bool fin = TCP_SKB_CB(skb)->tcp_flags & TCPHDR_FIN; struct tcp_sock *tp = tcp_sk(ssk); - u32 offset, incr, avail_len; + u32 offset, incr = 0, avail_len; offset = tp->copied_seq - TCP_SKB_CB(skb)->seq; if (WARN_ON_ONCE(offset > skb->len)) From aaaf3cd0a734a46a02c6e3f04c61d4c60b26d82c Mon Sep 17 00:00:00 2001 From: Laurent Pinchart Date: Mon, 29 Jul 2024 18:57:38 +0300 Subject: [PATCH 218/649] Remove *.orig pattern from .gitignore commit 76be4f5a784533c71afbbb1b8f2963ef9e2ee258 upstream. Commit 3f1b0e1f2875 (".gitignore update") added *.orig and *.rej patterns to .gitignore in v2.6.23. The commit message didn't give a rationale. Later on, commit 1f5d3a6b6532 ("Remove *.rej pattern from .gitignore") removed the *.rej pattern in v2.6.26, on the rationale that *.rej files indicated something went really wrong and should not be ignored. The *.rej files are now shown by `git status`, which helps located conflicts when applying patches and lowers the probability that they will go unnoticed. It is however still easy to overlook the *.orig files which slowly polute the source tree. That's not as big of a deal as not noticing a conflict, but it's still not nice. Drop the *.orig pattern from .gitignore to avoid this and help keep the source tree clean. Signed-off-by: Laurent Pinchart [masahiroy@kernel.org: I do not have a strong opinion about this. Perhaps some people may have a different opinion. If you are someone who wants to ignore *.orig, it is likely you would want to do so across all projects. Then, $XDG_CONFIG_HOME/git/ignore would be more suitable for your needs. gitignore(5) suggests, "Patterns which a user wants Git to ignore in all situations generally go into a file specified by core.excludesFile in the user's ~/.gitconfig". Please note that you cannot do the opposite; if *.orig is ignored by the project's .gitignore, you cannot override the decision because $XDG_CONFIG_HOME/git/ignore has a lower priority. If *.orig is sitting on the fence, I'd leave it to the users. ] Signed-off-by: Masahiro Yamada Signed-off-by: Greg Kroah-Hartman --- .gitignore | 1 - 1 file changed, 1 deletion(-) diff --git a/.gitignore b/.gitignore index 67d2f3503128..f53e8be649a2 100644 --- a/.gitignore +++ b/.gitignore @@ -124,7 +124,6 @@ GTAGS # id-utils files ID -*.orig *~ \#*# From c55ebcb21656b703213fe67046122e2a1e95a48e Mon Sep 17 00:00:00 2001 From: Ma Ke Date: Fri, 30 Aug 2024 22:31:54 +0800 Subject: [PATCH 219/649] ASoC: rt5682: Return devm_of_clk_add_hw_provider to transfer the error commit fcca6d05ef49d5650514ea1dcfd12e4ae3ff2be6 upstream. Return devm_of_clk_add_hw_provider() in order to transfer the error, if it fails due to resource allocation failure or device tree clock provider registration failure. Cc: stable@vger.kernel.org Fixes: ebbfabc16d23 ("ASoC: rt5682: Add CCF usage for providing I2S clks") Signed-off-by: Ma Ke Link: https://patch.msgid.link/20240830143154.3448004-1-make24@iscas.ac.cn Signed-off-by: Mark Brown Signed-off-by: Greg Kroah-Hartman --- sound/soc/codecs/rt5682.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/sound/soc/codecs/rt5682.c b/sound/soc/codecs/rt5682.c index 113ed00ddf1e..d62212791dff 100644 --- a/sound/soc/codecs/rt5682.c +++ b/sound/soc/codecs/rt5682.c @@ -2843,8 +2843,10 @@ static int rt5682_register_dai_clks(struct snd_soc_component *component) } if (dev->of_node) { - devm_of_clk_add_hw_provider(dev, of_clk_hw_simple_get, + ret = devm_of_clk_add_hw_provider(dev, of_clk_hw_simple_get, dai_clk_hw); + if (ret) + return ret; } else { ret = devm_clk_hw_register_clkdev(dev, dai_clk_hw, init.name, From cb9897b946089766df8021875e5e870c0c4688d1 Mon Sep 17 00:00:00 2001 From: Krzysztof Kozlowski Date: Sun, 25 Aug 2024 20:05:22 +0200 Subject: [PATCH 220/649] soc: versatile: integrator: fix OF node leak in probe() error path commit 874c5b601856adbfda10846b9770a6c66c41e229 upstream. Driver is leaking OF node reference obtained from of_find_matching_node(). Fixes: f956a785a282 ("soc: move SoC driver for the ARM Integrator") Cc: stable@vger.kernel.org Signed-off-by: Krzysztof Kozlowski Link: https://lore.kernel.org/20240825-soc-dev-fixes-v1-1-ff4b35abed83@linaro.org Signed-off-by: Linus Walleij Signed-off-by: Greg Kroah-Hartman --- drivers/soc/versatile/soc-integrator.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/soc/versatile/soc-integrator.c b/drivers/soc/versatile/soc-integrator.c index bab4ad87aa75..d5099a3386b4 100644 --- a/drivers/soc/versatile/soc-integrator.c +++ b/drivers/soc/versatile/soc-integrator.c @@ -113,6 +113,7 @@ static int __init integrator_soc_init(void) return -ENODEV; syscon_regmap = syscon_node_to_regmap(np); + of_node_put(np); if (IS_ERR(syscon_regmap)) return PTR_ERR(syscon_regmap); From bf3f1affba624e67af82d6cd90ba4da44404b1f3 Mon Sep 17 00:00:00 2001 From: Werner Sembach Date: Thu, 5 Sep 2024 18:48:51 +0200 Subject: [PATCH 221/649] Input: i8042 - add TUXEDO Stellaris 16 Gen5 AMD to i8042 quirk table commit e06edf96dea065dd1d9df695bf8b92784992333e upstream. Some TongFang barebones have touchpad and/or keyboard issues after suspend, fixable with nomux + reset + noloop + nopnp. Luckily, none of them have an external PS/2 port so this can safely be set for all of them. I'm not entirely sure if every device listed really needs all four quirks, but after testing and production use, no negative effects could be observed when setting all four. Signed-off-by: Werner Sembach Cc: stable@vger.kernel.org Link: https://lore.kernel.org/r/20240905164851.771578-1-wse@tuxedocomputers.com Signed-off-by: Dmitry Torokhov Signed-off-by: Greg Kroah-Hartman --- drivers/input/serio/i8042-acpipnpio.h | 23 +++++++++++++++++++++++ 1 file changed, 23 insertions(+) diff --git a/drivers/input/serio/i8042-acpipnpio.h b/drivers/input/serio/i8042-acpipnpio.h index 29676ff37766..a3b5f9f38e38 100644 --- a/drivers/input/serio/i8042-acpipnpio.h +++ b/drivers/input/serio/i8042-acpipnpio.h @@ -1118,6 +1118,29 @@ static const struct dmi_system_id i8042_dmi_quirk_table[] __initconst = { }, .driver_data = (void *)(SERIO_QUIRK_NOLOOP) }, + /* + * Some TongFang barebones have touchpad and/or keyboard issues after + * suspend fixable with nomux + reset + noloop + nopnp. Luckily, none of + * them have an external PS/2 port so this can safely be set for all of + * them. + * TongFang barebones come with board_vendor and/or system_vendor set to + * a different value for each individual reseller. The only somewhat + * universal way to identify them is by board_name. + */ + { + .matches = { + DMI_MATCH(DMI_BOARD_NAME, "GM6XGxX"), + }, + .driver_data = (void *)(SERIO_QUIRK_NOMUX | SERIO_QUIRK_RESET_ALWAYS | + SERIO_QUIRK_NOLOOP | SERIO_QUIRK_NOPNP) + }, + { + .matches = { + DMI_MATCH(DMI_BOARD_NAME, "GMxXGxX"), + }, + .driver_data = (void *)(SERIO_QUIRK_NOMUX | SERIO_QUIRK_RESET_ALWAYS | + SERIO_QUIRK_NOLOOP | SERIO_QUIRK_NOPNP) + }, /* * A lot of modern Clevo barebones have touchpad and/or keyboard issues * after suspend fixable with nomux + reset + noloop + nopnp. Luckily, From 13175be789b5fce3a57bb9bd4e789a24ae8e45be Mon Sep 17 00:00:00 2001 From: Werner Sembach Date: Tue, 10 Sep 2024 11:40:08 +0200 Subject: [PATCH 222/649] Input: i8042 - add TUXEDO Stellaris 15 Slim Gen6 AMD to i8042 quirk table commit 3870e2850b56306d1d1e435c5a1ccbccd7c59291 upstream. The Gen6 devices have the same problem and the same Solution as the Gen5 ones. Some TongFang barebones have touchpad and/or keyboard issues after suspend, fixable with nomux + reset + noloop + nopnp. Luckily, none of them have an external PS/2 port so this can safely be set for all of them. I'm not entirely sure if every device listed really needs all four quirks, but after testing and production use, no negative effects could be observed when setting all four. Signed-off-by: Werner Sembach Cc: stable@vger.kernel.org Link: https://lore.kernel.org/r/20240910094008.1601230-3-wse@tuxedocomputers.com Signed-off-by: Dmitry Torokhov Signed-off-by: Greg Kroah-Hartman --- drivers/input/serio/i8042-acpipnpio.h | 7 +++++++ 1 file changed, 7 insertions(+) diff --git a/drivers/input/serio/i8042-acpipnpio.h b/drivers/input/serio/i8042-acpipnpio.h index a3b5f9f38e38..273a7fc78283 100644 --- a/drivers/input/serio/i8042-acpipnpio.h +++ b/drivers/input/serio/i8042-acpipnpio.h @@ -1141,6 +1141,13 @@ static const struct dmi_system_id i8042_dmi_quirk_table[] __initconst = { .driver_data = (void *)(SERIO_QUIRK_NOMUX | SERIO_QUIRK_RESET_ALWAYS | SERIO_QUIRK_NOLOOP | SERIO_QUIRK_NOPNP) }, + { + .matches = { + DMI_MATCH(DMI_BOARD_NAME, "GMxHGxx"), + }, + .driver_data = (void *)(SERIO_QUIRK_NOMUX | SERIO_QUIRK_RESET_ALWAYS | + SERIO_QUIRK_NOLOOP | SERIO_QUIRK_NOPNP) + }, /* * A lot of modern Clevo barebones have touchpad and/or keyboard issues * after suspend fixable with nomux + reset + noloop + nopnp. Luckily, From 60aadf84bef0d58a2f26e66b1824a6d6b429a06d Mon Sep 17 00:00:00 2001 From: Werner Sembach Date: Tue, 10 Sep 2024 11:40:07 +0200 Subject: [PATCH 223/649] Input: i8042 - add another board name for TUXEDO Stellaris Gen5 AMD line commit 01eed86d50af9fab27d876fd677b86259ebe9de3 upstream. There might be devices out in the wild where the board name is GMxXGxx instead of GMxXGxX. Adding both to be on the safe side. Signed-off-by: Werner Sembach Cc: stable@vger.kernel.org Link: https://lore.kernel.org/r/20240910094008.1601230-2-wse@tuxedocomputers.com Signed-off-by: Dmitry Torokhov Signed-off-by: Greg Kroah-Hartman --- drivers/input/serio/i8042-acpipnpio.h | 7 +++++++ 1 file changed, 7 insertions(+) diff --git a/drivers/input/serio/i8042-acpipnpio.h b/drivers/input/serio/i8042-acpipnpio.h index 273a7fc78283..9dc8ed9bc5c0 100644 --- a/drivers/input/serio/i8042-acpipnpio.h +++ b/drivers/input/serio/i8042-acpipnpio.h @@ -1134,6 +1134,13 @@ static const struct dmi_system_id i8042_dmi_quirk_table[] __initconst = { .driver_data = (void *)(SERIO_QUIRK_NOMUX | SERIO_QUIRK_RESET_ALWAYS | SERIO_QUIRK_NOLOOP | SERIO_QUIRK_NOPNP) }, + { + .matches = { + DMI_MATCH(DMI_BOARD_NAME, "GMxXGxx"), + }, + .driver_data = (void *)(SERIO_QUIRK_NOMUX | SERIO_QUIRK_RESET_ALWAYS | + SERIO_QUIRK_NOLOOP | SERIO_QUIRK_NOPNP) + }, { .matches = { DMI_MATCH(DMI_BOARD_NAME, "GMxXGxX"), From 84f4d44703d9a4ccb56bb8373b47d8796237edaf Mon Sep 17 00:00:00 2001 From: Robin Chen Date: Fri, 23 Aug 2024 15:00:28 +0800 Subject: [PATCH 224/649] drm/amd/display: Round calculated vtotal commit c03fca619fc687338a3b6511fdbed94096abdf79 upstream. [WHY] The calculated vtotal may has 1 line deviation. To get precisely vtotal number, round the vtotal result. Cc: Mario Limonciello Cc: Alex Deucher Cc: stable@vger.kernel.org Reviewed-by: Anthony Koo Signed-off-by: Robin Chen Signed-off-by: Alex Hung Tested-by: Daniel Wheeler Signed-off-by: Alex Deucher Signed-off-by: Greg Kroah-Hartman --- drivers/gpu/drm/amd/display/modules/freesync/freesync.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/gpu/drm/amd/display/modules/freesync/freesync.c b/drivers/gpu/drm/amd/display/modules/freesync/freesync.c index 627d578175cf..6725ce27662c 100644 --- a/drivers/gpu/drm/amd/display/modules/freesync/freesync.c +++ b/drivers/gpu/drm/amd/display/modules/freesync/freesync.c @@ -131,7 +131,7 @@ static unsigned int calc_v_total_from_refresh( v_total = div64_u64(div64_u64(((unsigned long long)( frame_duration_in_ns) * (stream->timing.pix_clk_100hz / 10)), - stream->timing.h_total), 1000000); + stream->timing.h_total) + 500000, 1000000); /* v_total cannot be less than nominal */ if (v_total < stream->timing.v_total) { From 1c5cd41b4b500bf9a254c943e1e7bcc877c68d2f Mon Sep 17 00:00:00 2001 From: Oliver Neukum Date: Thu, 12 Sep 2024 14:32:59 +0200 Subject: [PATCH 225/649] USB: appledisplay: close race between probe and completion handler commit 8265d06b7794493d82c5c21a12d7ba43eccc30cb upstream. There is a small window during probing when IO is running but the backlight is not registered. Processing events during that time will crash. The completion handler needs to check for a backlight before scheduling work. The bug is as old as the driver. Signed-off-by: Oliver Neukum CC: stable@vger.kernel.org Link: https://lore.kernel.org/r/20240912123317.1026049-1-oneukum@suse.com Signed-off-by: Greg Kroah-Hartman --- drivers/usb/misc/appledisplay.c | 15 +++++++++++---- 1 file changed, 11 insertions(+), 4 deletions(-) diff --git a/drivers/usb/misc/appledisplay.c b/drivers/usb/misc/appledisplay.c index c8098e9b432e..62b5a30edc42 100644 --- a/drivers/usb/misc/appledisplay.c +++ b/drivers/usb/misc/appledisplay.c @@ -107,7 +107,12 @@ static void appledisplay_complete(struct urb *urb) case ACD_BTN_BRIGHT_UP: case ACD_BTN_BRIGHT_DOWN: pdata->button_pressed = 1; - schedule_delayed_work(&pdata->work, 0); + /* + * there is a window during which no device + * is registered + */ + if (pdata->bd ) + schedule_delayed_work(&pdata->work, 0); break; case ACD_BTN_NONE: default: @@ -202,6 +207,7 @@ static int appledisplay_probe(struct usb_interface *iface, const struct usb_device_id *id) { struct backlight_properties props; + struct backlight_device *backlight; struct appledisplay *pdata; struct usb_device *udev = interface_to_usbdev(iface); struct usb_endpoint_descriptor *endpoint; @@ -272,13 +278,14 @@ static int appledisplay_probe(struct usb_interface *iface, memset(&props, 0, sizeof(struct backlight_properties)); props.type = BACKLIGHT_RAW; props.max_brightness = 0xff; - pdata->bd = backlight_device_register(bl_name, NULL, pdata, + backlight = backlight_device_register(bl_name, NULL, pdata, &appledisplay_bl_data, &props); - if (IS_ERR(pdata->bd)) { + if (IS_ERR(backlight)) { dev_err(&iface->dev, "Backlight registration failed\n"); - retval = PTR_ERR(pdata->bd); + retval = PTR_ERR(backlight); goto error; } + pdata->bd = backlight; /* Try to get brightness */ brightness = appledisplay_bl_get_brightness(pdata->bd); From fa83e1df43f135a50d1e24fab0160ca2f0a2e21f Mon Sep 17 00:00:00 2001 From: Oliver Neukum Date: Thu, 12 Sep 2024 14:54:43 +0200 Subject: [PATCH 226/649] USB: misc: cypress_cy7c63: check for short transfer commit 49cd2f4d747eeb3050b76245a7f72aa99dbd3310 upstream. As we process the second byte of a control transfer, transfers of less than 2 bytes must be discarded. This bug is as old as the driver. SIgned-off-by: Oliver Neukum CC: stable@vger.kernel.org Link: https://lore.kernel.org/r/20240912125449.1030536-1-oneukum@suse.com Signed-off-by: Greg Kroah-Hartman --- drivers/usb/misc/cypress_cy7c63.c | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/drivers/usb/misc/cypress_cy7c63.c b/drivers/usb/misc/cypress_cy7c63.c index 14faec51d7a5..3be5551a9867 100644 --- a/drivers/usb/misc/cypress_cy7c63.c +++ b/drivers/usb/misc/cypress_cy7c63.c @@ -88,6 +88,9 @@ static int vendor_command(struct cypress *dev, unsigned char request, USB_DIR_IN | USB_TYPE_VENDOR | USB_RECIP_OTHER, address, data, iobuf, CYPRESS_MAX_REQSIZE, USB_CTRL_GET_TIMEOUT); + /* we must not process garbage */ + if (retval < 2) + goto err_buf; /* store returned data (more READs to be added) */ switch (request) { @@ -107,6 +110,7 @@ static int vendor_command(struct cypress *dev, unsigned char request, break; } +err_buf: kfree(iobuf); error: return retval; From 61c12c72b1ab7a5caf54b28bb5703f1004008f67 Mon Sep 17 00:00:00 2001 From: Oliver Neukum Date: Thu, 12 Sep 2024 16:19:06 +0200 Subject: [PATCH 227/649] USB: class: CDC-ACM: fix race between get_serial and set_serial commit b41c1fa155ba56d125885b0191aabaf3c508d0a3 upstream. TIOCGSERIAL is an ioctl. Thus it must be atomic. It returns two values. Racing with set_serial it can return an inconsistent result. The mutex must be taken. In terms of logic the bug is as old as the driver. In terms of code it goes back to the conversion to the get_serial and set_serial methods. Signed-off-by: Oliver Neukum Cc: stable Fixes: 99f75a1fcd865 ("cdc-acm: switch to ->[sg]et_serial()") Link: https://lore.kernel.org/r/20240912141916.1044393-1-oneukum@suse.com Signed-off-by: Greg Kroah-Hartman --- drivers/usb/class/cdc-acm.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/drivers/usb/class/cdc-acm.c b/drivers/usb/class/cdc-acm.c index c494b77e6749..59154e808ea5 100644 --- a/drivers/usb/class/cdc-acm.c +++ b/drivers/usb/class/cdc-acm.c @@ -942,10 +942,12 @@ static int get_serial_info(struct tty_struct *tty, struct serial_struct *ss) struct acm *acm = tty->driver_data; ss->line = acm->minor; + mutex_lock(&acm->port.mutex); ss->close_delay = jiffies_to_msecs(acm->port.close_delay) / 10; ss->closing_wait = acm->port.closing_wait == ASYNC_CLOSING_WAIT_NONE ? ASYNC_CLOSING_WAIT_NONE : jiffies_to_msecs(acm->port.closing_wait) / 10; + mutex_unlock(&acm->port.mutex); return 0; } From e89f925093a32d48d1f30dadf61af80dc1a8a22f Mon Sep 17 00:00:00 2001 From: Krzysztof Kozlowski Date: Mon, 26 Aug 2024 07:49:34 +0200 Subject: [PATCH 228/649] bus: integrator-lm: fix OF node leak in probe() commit 15a62b81175885b5adfcaf49870466e3603f06c7 upstream. Driver code is leaking OF node reference from of_find_matching_node() in probe(). Fixes: ccea5e8a5918 ("bus: Add driver for Integrator/AP logic modules") Cc: stable@vger.kernel.org Signed-off-by: Krzysztof Kozlowski Acked-by: Liviu Dudau Link: https://lore.kernel.org/20240826054934.10724-2-krzysztof.kozlowski@linaro.org Signed-off-by: Linus Walleij Signed-off-by: Greg Kroah-Hartman --- drivers/bus/arm-integrator-lm.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/bus/arm-integrator-lm.c b/drivers/bus/arm-integrator-lm.c index 845b6c43fef8..0c9bcbbeb484 100644 --- a/drivers/bus/arm-integrator-lm.c +++ b/drivers/bus/arm-integrator-lm.c @@ -84,6 +84,7 @@ static int integrator_ap_lm_probe(struct platform_device *pdev) return -ENODEV; } map = syscon_node_to_regmap(syscon); + of_node_put(syscon); if (IS_ERR(map)) { dev_err(dev, "could not find Integrator/AP system controller\n"); From c30558e6c5c9ad6c86459d9acce1520ceeab9ea6 Mon Sep 17 00:00:00 2001 From: Jann Horn Date: Wed, 28 Aug 2024 01:45:48 +0200 Subject: [PATCH 229/649] firmware_loader: Block path traversal commit f0e5311aa8022107d63c54e2f03684ec097d1394 upstream. Most firmware names are hardcoded strings, or are constructed from fairly constrained format strings where the dynamic parts are just some hex numbers or such. However, there are a couple codepaths in the kernel where firmware file names contain string components that are passed through from a device or semi-privileged userspace; the ones I could find (not counting interfaces that require root privileges) are: - lpfc_sli4_request_firmware_update() seems to construct the firmware filename from "ModelName", a string that was previously parsed out of some descriptor ("Vital Product Data") in lpfc_fill_vpd() - nfp_net_fw_find() seems to construct a firmware filename from a model name coming from nfp_hwinfo_lookup(pf->hwinfo, "nffw.partno"), which I think parses some descriptor that was read from the device. (But this case likely isn't exploitable because the format string looks like "netronome/nic_%s", and there shouldn't be any *folders* starting with "netronome/nic_". The previous case was different because there, the "%s" is *at the start* of the format string.) - module_flash_fw_schedule() is reachable from the ETHTOOL_MSG_MODULE_FW_FLASH_ACT netlink command, which is marked as GENL_UNS_ADMIN_PERM (meaning CAP_NET_ADMIN inside a user namespace is enough to pass the privilege check), and takes a userspace-provided firmware name. (But I think to reach this case, you need to have CAP_NET_ADMIN over a network namespace that a special kind of ethernet device is mapped into, so I think this is not a viable attack path in practice.) Fix it by rejecting any firmware names containing ".." path components. For what it's worth, I went looking and haven't found any USB device drivers that use the firmware loader dangerously. Cc: stable@vger.kernel.org Reviewed-by: Danilo Krummrich Fixes: abb139e75c2c ("firmware: teach the kernel to load firmware files directly from the filesystem") Signed-off-by: Jann Horn Acked-by: Luis Chamberlain Link: https://lore.kernel.org/r/20240828-firmware-traversal-v3-1-c76529c63b5f@google.com Signed-off-by: Greg Kroah-Hartman --- drivers/base/firmware_loader/main.c | 30 +++++++++++++++++++++++++++++ 1 file changed, 30 insertions(+) diff --git a/drivers/base/firmware_loader/main.c b/drivers/base/firmware_loader/main.c index a4dd500bc141..a83bf68450ed 100644 --- a/drivers/base/firmware_loader/main.c +++ b/drivers/base/firmware_loader/main.c @@ -786,6 +786,26 @@ static void fw_abort_batch_reqs(struct firmware *fw) mutex_unlock(&fw_lock); } +/* + * Reject firmware file names with ".." path components. + * There are drivers that construct firmware file names from device-supplied + * strings, and we don't want some device to be able to tell us "I would like to + * be sent my firmware from ../../../etc/shadow, please". + * + * Search for ".." surrounded by either '/' or start/end of string. + * + * This intentionally only looks at the firmware name, not at the firmware base + * directory or at symlink contents. + */ +static bool name_contains_dotdot(const char *name) +{ + size_t name_len = strlen(name); + + return strcmp(name, "..") == 0 || strncmp(name, "../", 3) == 0 || + strstr(name, "/../") != NULL || + (name_len >= 3 && strcmp(name+name_len-3, "/..") == 0); +} + /* called from request_firmware() and request_firmware_work_func() */ static int _request_firmware(const struct firmware **firmware_p, const char *name, @@ -806,6 +826,14 @@ _request_firmware(const struct firmware **firmware_p, const char *name, goto out; } + if (name_contains_dotdot(name)) { + dev_warn(device, + "Firmware load for '%s' refused, path contains '..' component\n", + name); + ret = -EINVAL; + goto out; + } + ret = _request_firmware_prepare(&fw, name, device, buf, size, offset, opt_flags); if (ret <= 0) /* error or already assigned */ @@ -876,6 +904,8 @@ _request_firmware(const struct firmware **firmware_p, const char *name, * @name will be used as $FIRMWARE in the uevent environment and * should be distinctive enough not to be confused with any other * firmware image for this or any other device. + * It must not contain any ".." path components - "foo/bar..bin" is + * allowed, but "foo/../bar.bin" is not. * * Caller must hold the reference count of @device. * From c7148bf45da1ba19d9355aa43752b652e632bda2 Mon Sep 17 00:00:00 2001 From: Florian Fainelli Date: Fri, 6 Sep 2024 15:54:33 -0700 Subject: [PATCH 230/649] tty: rp2: Fix reset with non forgiving PCIe host bridges commit f16dd10ba342c429b1e36ada545fb36d4d1f0e63 upstream. The write to RP2_GLOBAL_CMD followed by an immediate read of RP2_GLOBAL_CMD in rp2_reset_asic() is intented to flush out the write, however by then the device is already in reset and cannot respond to a memory cycle access. On platforms such as the Raspberry Pi 4 and others using the pcie-brcmstb.c driver, any memory access to a device that cannot respond is met with a fatal system error, rather than being substituted with all 1s as is usually the case on PC platforms. Swapping the delay and the read ensures that the device has finished resetting before we attempt to read from it. Fixes: 7d9f49afa451 ("serial: rp2: New driver for Comtrol RocketPort 2 cards") Cc: stable Suggested-by: Jim Quinlan Signed-off-by: Florian Fainelli Link: https://lore.kernel.org/r/20240906225435.707837-1-florian.fainelli@broadcom.com Signed-off-by: Greg Kroah-Hartman --- drivers/tty/serial/rp2.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/tty/serial/rp2.c b/drivers/tty/serial/rp2.c index 944a4c010579..a8d3fbde5b0e 100644 --- a/drivers/tty/serial/rp2.c +++ b/drivers/tty/serial/rp2.c @@ -600,8 +600,8 @@ static void rp2_reset_asic(struct rp2_card *card, unsigned int asic_id) u32 clk_cfg; writew(1, base + RP2_GLOBAL_CMD); - readw(base + RP2_GLOBAL_CMD); msleep(100); + readw(base + RP2_GLOBAL_CMD); writel(0, base + RP2_CLK_PRESCALER); /* TDM clock configuration */ From a295fa38dcbb93adb570756b27963df72be46f55 Mon Sep 17 00:00:00 2001 From: Pavan Kumar Paluri Date: Thu, 15 Aug 2024 07:25:00 -0500 Subject: [PATCH 231/649] crypto: ccp - Properly unregister /dev/sev on sev PLATFORM_STATUS failure commit ce3d2d6b150ba8528f3218ebf0cee2c2c572662d upstream. In case of sev PLATFORM_STATUS failure, sev_get_api_version() fails resulting in sev_data field of psp_master nulled out. This later becomes a problem when unloading the ccp module because the device has not been unregistered (via misc_deregister()) before clearing the sev_data field of psp_master. As a result, on reloading the ccp module, a duplicate device issue is encountered as can be seen from the dmesg log below. on reloading ccp module via modprobe ccp Call Trace: dump_stack_lvl+0xd7/0xf0 dump_stack+0x10/0x20 sysfs_warn_dup+0x5c/0x70 sysfs_create_dir_ns+0xbc/0xd kobject_add_internal+0xb1/0x2f0 kobject_add+0x7a/0xe0 ? srso_alias_return_thunk+0x5/0xfbef5 ? get_device_parent+0xd4/0x1e0 ? __pfx_klist_children_get+0x10/0x10 device_add+0x121/0x870 ? srso_alias_return_thunk+0x5/0xfbef5 device_create_groups_vargs+0xdc/0x100 device_create_with_groups+0x3f/0x60 misc_register+0x13b/0x1c0 sev_dev_init+0x1d4/0x290 [ccp] psp_dev_init+0x136/0x300 [ccp] sp_init+0x6f/0x80 [ccp] sp_pci_probe+0x2a6/0x310 [ccp] ? srso_alias_return_thunk+0x5/0xfbef5 local_pci_probe+0x4b/0xb0 work_for_cpu_fn+0x1a/0x30 process_one_work+0x203/0x600 worker_thread+0x19e/0x350 ? __pfx_worker_thread+0x10/0x10 kthread+0xeb/0x120 ? __pfx_kthread+0x10/0x10 ret_from_fork+0x3c/0x60 ? __pfx_kthread+0x10/0x10 ret_from_fork_asm+0x1a/0x30 kobject: kobject_add_internal failed for sev with -EEXIST, don't try to register things with the same name in the same directory. ccp 0000:22:00.1: sev initialization failed ccp 0000:22:00.1: psp initialization failed ccp 0000:a2:00.1: no command queues available ccp 0000:a2:00.1: psp enabled Address this issue by unregistering the /dev/sev before clearing out sev_data in case of PLATFORM_STATUS failure. Fixes: 200664d5237f ("crypto: ccp: Add Secure Encrypted Virtualization (SEV) command support") Cc: stable@vger.kernel.org Signed-off-by: Pavan Kumar Paluri Acked-by: Tom Lendacky Signed-off-by: Herbert Xu Signed-off-by: Greg Kroah-Hartman --- drivers/crypto/ccp/sev-dev.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/drivers/crypto/ccp/sev-dev.c b/drivers/crypto/ccp/sev-dev.c index 055cbb2ad75e..b6bba46b330f 100644 --- a/drivers/crypto/ccp/sev-dev.c +++ b/drivers/crypto/ccp/sev-dev.c @@ -1129,6 +1129,8 @@ void sev_pci_init(void) return; err: + sev_dev_destroy(psp_master); + psp_master->sev_data = NULL; } From 62720f2daab959e25903e2baecdd43ee2960e4c2 Mon Sep 17 00:00:00 2001 From: Qiu-ji Chen Date: Fri, 13 Sep 2024 16:35:04 +0800 Subject: [PATCH 232/649] drbd: Fix atomicity violation in drbd_uuid_set_bm() commit 2f02b5af3a4482b216e6a466edecf6ba8450fa45 upstream. The violation of atomicity occurs when the drbd_uuid_set_bm function is executed simultaneously with modifying the value of device->ldev->md.uuid[UI_BITMAP]. Consider a scenario where, while device->ldev->md.uuid[UI_BITMAP] passes the validity check when its value is not zero, the value of device->ldev->md.uuid[UI_BITMAP] is written to zero. In this case, the check in drbd_uuid_set_bm might refer to the old value of device->ldev->md.uuid[UI_BITMAP] (before locking), which allows an invalid value to pass the validity check, resulting in inconsistency. To address this issue, it is recommended to include the data validity check within the locked section of the function. This modification ensures that the value of device->ldev->md.uuid[UI_BITMAP] does not change during the validation process, thereby maintaining its integrity. This possible bug is found by an experimental static analysis tool developed by our team. This tool analyzes the locking APIs to extract function pairs that can be concurrently executed, and then analyzes the instructions in the paired functions to identify possible concurrency bugs including data races and atomicity violations. Fixes: 9f2247bb9b75 ("drbd: Protect accesses to the uuid set with a spinlock") Cc: stable@vger.kernel.org Signed-off-by: Qiu-ji Chen Reviewed-by: Philipp Reisner Link: https://lore.kernel.org/r/20240913083504.10549-1-chenqiuji666@gmail.com Signed-off-by: Jens Axboe Signed-off-by: Greg Kroah-Hartman --- drivers/block/drbd/drbd_main.c | 8 +++++--- 1 file changed, 5 insertions(+), 3 deletions(-) diff --git a/drivers/block/drbd/drbd_main.c b/drivers/block/drbd/drbd_main.c index 420bdaf8c356..28ee47d71f1c 100644 --- a/drivers/block/drbd/drbd_main.c +++ b/drivers/block/drbd/drbd_main.c @@ -3429,10 +3429,12 @@ void drbd_uuid_new_current(struct drbd_device *device) __must_hold(local) void drbd_uuid_set_bm(struct drbd_device *device, u64 val) __must_hold(local) { unsigned long flags; - if (device->ldev->md.uuid[UI_BITMAP] == 0 && val == 0) - return; - spin_lock_irqsave(&device->ldev->md.uuid_lock, flags); + if (device->ldev->md.uuid[UI_BITMAP] == 0 && val == 0) { + spin_unlock_irqrestore(&device->ldev->md.uuid_lock, flags); + return; + } + if (val == 0) { drbd_uuid_move_history(device); device->ldev->md.uuid[UI_HISTORY_START] = device->ldev->md.uuid[UI_BITMAP]; From 2e20b69b86c8dbe5ad4781d7b792bc9465766838 Mon Sep 17 00:00:00 2001 From: Mikhail Lobanov Date: Mon, 9 Sep 2024 09:37:36 -0400 Subject: [PATCH 233/649] drbd: Add NULL check for net_conf to prevent dereference in state validation commit a5e61b50c9f44c5edb6e134ede6fee8806ffafa9 upstream. If the net_conf pointer is NULL and the code attempts to access its fields without a check, it will lead to a null pointer dereference. Add a NULL check before dereferencing the pointer. Found by Linux Verification Center (linuxtesting.org) with SVACE. Fixes: 44ed167da748 ("drbd: rcu_read_lock() and rcu_dereference() for tconn->net_conf") Cc: stable@vger.kernel.org Signed-off-by: Mikhail Lobanov Link: https://lore.kernel.org/r/20240909133740.84297-1-m.lobanov@rosalinux.ru Signed-off-by: Jens Axboe Signed-off-by: Greg Kroah-Hartman --- drivers/block/drbd/drbd_state.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/block/drbd/drbd_state.c b/drivers/block/drbd/drbd_state.c index 5fbaea6b77b1..2c954bb70bff 100644 --- a/drivers/block/drbd/drbd_state.c +++ b/drivers/block/drbd/drbd_state.c @@ -876,7 +876,7 @@ is_valid_state(struct drbd_device *device, union drbd_state ns) ns.disk == D_OUTDATED) rv = SS_CONNECTED_OUTDATES; - else if ((ns.conn == C_VERIFY_S || ns.conn == C_VERIFY_T) && + else if (nc && (ns.conn == C_VERIFY_S || ns.conn == C_VERIFY_T) && (nc->verify_alg[0] == 0)) rv = SS_NO_VERIFY_ALG; From 4b081991c4363e072e1748efed0bbec8a77daba5 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Thomas=20Wei=C3=9Fschuh?= Date: Tue, 9 Jul 2024 22:37:24 +0200 Subject: [PATCH 234/649] ACPI: sysfs: validate return type of _STR method MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit commit 4bb1e7d027413835b086aed35bc3f0713bc0f72b upstream. Only buffer objects are valid return values of _STR. If something else is returned description_show() will access invalid memory. Fixes: d1efe3c324ea ("ACPI: Add new sysfs interface to export device description") Cc: All applicable Signed-off-by: Thomas Weißschuh Link: https://patch.msgid.link/20240709-acpi-sysfs-groups-v2-1-058ab0667fa8@weissschuh.net Signed-off-by: Rafael J. Wysocki Signed-off-by: Greg Kroah-Hartman --- drivers/acpi/device_sysfs.c | 5 +++-- 1 file changed, 3 insertions(+), 2 deletions(-) diff --git a/drivers/acpi/device_sysfs.c b/drivers/acpi/device_sysfs.c index 566067a855a1..57ee8314dfb8 100644 --- a/drivers/acpi/device_sysfs.c +++ b/drivers/acpi/device_sysfs.c @@ -533,8 +533,9 @@ int acpi_device_setup_files(struct acpi_device *dev) * If device has _STR, 'description' file is created */ if (acpi_has_method(dev->handle, "_STR")) { - status = acpi_evaluate_object(dev->handle, "_STR", - NULL, &buffer); + status = acpi_evaluate_object_typed(dev->handle, "_STR", + NULL, &buffer, + ACPI_TYPE_BUFFER); if (ACPI_FAILURE(status)) buffer.pointer = NULL; dev->pnp.str_obj = buffer.pointer; From 45a765f4ba4cc95c7ed96862b865e26d27a0c56d Mon Sep 17 00:00:00 2001 From: Werner Sembach Date: Tue, 10 Sep 2024 11:40:06 +0200 Subject: [PATCH 235/649] ACPI: resource: Add another DMI match for the TongFang GMxXGxx commit a98cfe6ff15b62f94a44d565607a16771c847bc6 upstream. Internal documentation suggest that the TUXEDO Polaris 15 Gen5 AMD might have GMxXGxX as the board name instead of GMxXGxx. Adding both to be on the safe side. Signed-off-by: Werner Sembach Cc: All applicable Link: https://patch.msgid.link/20240910094008.1601230-1-wse@tuxedocomputers.com Signed-off-by: Rafael J. Wysocki Signed-off-by: Greg Kroah-Hartman --- drivers/acpi/resource.c | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/drivers/acpi/resource.c b/drivers/acpi/resource.c index aa92ec4fe721..370f91a51470 100644 --- a/drivers/acpi/resource.c +++ b/drivers/acpi/resource.c @@ -455,6 +455,12 @@ static const struct dmi_system_id asus_laptop[] = { DMI_MATCH(DMI_BOARD_NAME, "B1402CVA"), }, }, + { + /* TongFang GMxXGxX/TUXEDO Polaris 15 Gen5 AMD */ + .matches = { + DMI_MATCH(DMI_BOARD_NAME, "GMxXGxX"), + }, + }, { /* TongFang GMxXGxx sold as Eluktronics Inc. RP-15 */ .matches = { From f76b69ab9cf04358266e3cea5748c0c2791fbb08 Mon Sep 17 00:00:00 2001 From: Ard Biesheuvel Date: Thu, 12 Sep 2024 17:45:49 +0200 Subject: [PATCH 236/649] efistub/tpm: Use ACPI reclaim memory for event log to avoid corruption commit 77d48d39e99170b528e4f2e9fc5d1d64cdedd386 upstream. The TPM event log table is a Linux specific construct, where the data produced by the GetEventLog() boot service is cached in memory, and passed on to the OS using an EFI configuration table. The use of EFI_LOADER_DATA here results in the region being left unreserved in the E820 memory map constructed by the EFI stub, and this is the memory description that is passed on to the incoming kernel by kexec, which is therefore unaware that the region should be reserved. Even though the utility of the TPM2 event log after a kexec is questionable, any corruption might send the parsing code off into the weeds and crash the kernel. So let's use EFI_ACPI_RECLAIM_MEMORY instead, which is always treated as reserved by the E820 conversion logic. Cc: Reported-by: Breno Leitao Tested-by: Usama Arif Reviewed-by: Ilias Apalodimas Signed-off-by: Ard Biesheuvel Signed-off-by: Greg Kroah-Hartman --- drivers/firmware/efi/libstub/tpm.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/firmware/efi/libstub/tpm.c b/drivers/firmware/efi/libstub/tpm.c index 7acbac16eae0..95da291c3083 100644 --- a/drivers/firmware/efi/libstub/tpm.c +++ b/drivers/firmware/efi/libstub/tpm.c @@ -115,7 +115,7 @@ void efi_retrieve_tpm2_eventlog(void) } /* Allocate space for the logs and copy them. */ - status = efi_bs_call(allocate_pool, EFI_LOADER_DATA, + status = efi_bs_call(allocate_pool, EFI_ACPI_RECLAIM_MEMORY, sizeof(*log_tbl) + log_size, (void **)&log_tbl); if (status != EFI_SUCCESS) { From 44f18167492bf6254f9d98ea32b547399920134d Mon Sep 17 00:00:00 2001 From: Adrian Hunter Date: Mon, 15 Jul 2024 19:07:00 +0300 Subject: [PATCH 237/649] perf/x86/intel/pt: Fix sampling synchronization commit d92792a4b26e50b96ab734cbe203d8a4c932a7a9 upstream. pt_event_snapshot_aux() uses pt->handle_nmi to determine if tracing needs to be stopped, however tracing can still be going because pt->handle_nmi is set to zero before tracing is stopped in pt_event_stop, whereas pt_event_snapshot_aux() requires that tracing must be stopped in order to copy a sample of trace from the buffer. Instead call pt_config_stop() always, which anyway checks config for RTIT_CTL_TRACEEN and does nothing if it is already clear. Note pt_event_snapshot_aux() can continue to use pt->handle_nmi to determine if the trace needs to be restarted afterwards. Fixes: 25e8920b301c ("perf/x86/intel/pt: Add sampling support") Signed-off-by: Adrian Hunter Signed-off-by: Peter Zijlstra (Intel) Cc: stable@vger.kernel.org Link: https://lkml.kernel.org/r/20240715160712.127117-2-adrian.hunter@intel.com Signed-off-by: Greg Kroah-Hartman --- arch/x86/events/intel/pt.c | 15 +++++++-------- 1 file changed, 7 insertions(+), 8 deletions(-) diff --git a/arch/x86/events/intel/pt.c b/arch/x86/events/intel/pt.c index da7e8c2b5347..1e31ff3d9940 100644 --- a/arch/x86/events/intel/pt.c +++ b/arch/x86/events/intel/pt.c @@ -1586,6 +1586,7 @@ static void pt_event_stop(struct perf_event *event, int mode) * see comment in intel_pt_interrupt(). */ WRITE_ONCE(pt->handle_nmi, 0); + barrier(); pt_config_stop(event); @@ -1637,11 +1638,10 @@ static long pt_event_snapshot_aux(struct perf_event *event, return 0; /* - * Here, handle_nmi tells us if the tracing is on + * There is no PT interrupt in this mode, so stop the trace and it will + * remain stopped while the buffer is copied. */ - if (READ_ONCE(pt->handle_nmi)) - pt_config_stop(event); - + pt_config_stop(event); pt_read_offset(buf); pt_update_head(pt); @@ -1653,11 +1653,10 @@ static long pt_event_snapshot_aux(struct perf_event *event, ret = perf_output_copy_aux(&pt->handle, handle, from, to); /* - * If the tracing was on when we turned up, restart it. - * Compiler barrier not needed as we couldn't have been - * preempted by anything that touches pt->handle_nmi. + * Here, handle_nmi tells us if the tracing was on. + * If the tracing was on, restart it. */ - if (pt->handle_nmi) + if (READ_ONCE(pt->handle_nmi)) pt_config_start(event); return ret; From dbffe7be554ca34d5671bf0693cb9165c10bf68e Mon Sep 17 00:00:00 2001 From: Bitterblue Smith Date: Tue, 23 Jul 2024 22:31:36 +0300 Subject: [PATCH 238/649] wifi: rtw88: 8822c: Fix reported RX band width commit a71ed5898dfae68262f79277915d1dfe34586bc6 upstream. "iw dev wlp2s0 station dump" shows incorrect rx bitrate: tx bitrate: 866.7 MBit/s VHT-MCS 9 80MHz short GI VHT-NSS 2 rx bitrate: 86.7 MBit/s VHT-MCS 9 VHT-NSS 1 This is because the RX band width is calculated incorrectly. Fix the calculation according to the phydm_rxsc_2_bw() function from the official drivers. After: tx bitrate: 866.7 MBit/s VHT-MCS 9 80MHz short GI VHT-NSS 2 rx bitrate: 390.0 MBit/s VHT-MCS 9 80MHz VHT-NSS 1 It also works correctly with the AP configured for 20 MHz and 40 MHz. Tested with RTL8822CE. Cc: stable@vger.kernel.org Fixes: e3037485c68e ("rtw88: new Realtek 802.11ac driver") Signed-off-by: Bitterblue Smith Signed-off-by: Ping-Ke Shih Link: https://patch.msgid.link/bca8949b-e2bd-4515-98fd-70d3049a0097@gmail.com Signed-off-by: Greg Kroah-Hartman --- drivers/net/wireless/realtek/rtw88/rtw8822c.c | 12 +++++++----- 1 file changed, 7 insertions(+), 5 deletions(-) diff --git a/drivers/net/wireless/realtek/rtw88/rtw8822c.c b/drivers/net/wireless/realtek/rtw88/rtw8822c.c index cee586335552..abed17e4c8c7 100644 --- a/drivers/net/wireless/realtek/rtw88/rtw8822c.c +++ b/drivers/net/wireless/realtek/rtw88/rtw8822c.c @@ -1813,12 +1813,14 @@ static void query_phy_status_page1(struct rtw_dev *rtwdev, u8 *phy_status, else rxsc = GET_PHY_STAT_P1_HT_RXSC(phy_status); - if (rxsc >= 9 && rxsc <= 12) - bw = RTW_CHANNEL_WIDTH_40; - else if (rxsc >= 13) - bw = RTW_CHANNEL_WIDTH_80; - else + if (rxsc == 0) + bw = rtwdev->hal.current_band_width; + else if (rxsc >= 1 && rxsc <= 8) bw = RTW_CHANNEL_WIDTH_20; + else if (rxsc >= 9 && rxsc <= 12) + bw = RTW_CHANNEL_WIDTH_40; + else + bw = RTW_CHANNEL_WIDTH_80; pkt_stat->rx_power[RF_PATH_A] = GET_PHY_STAT_P1_PWDB_A(phy_status) - 110; pkt_stat->rx_power[RF_PATH_B] = GET_PHY_STAT_P1_PWDB_B(phy_status) - 110; From 5e3a031dfa5ac5a434e8abbb29a2fc7e3d084414 Mon Sep 17 00:00:00 2001 From: Zhen Lei Date: Wed, 4 Sep 2024 21:39:40 +0800 Subject: [PATCH 239/649] debugobjects: Fix conditions in fill_pool() commit 684d28feb8546d1e9597aa363c3bfcf52fe250b7 upstream. fill_pool() uses 'obj_pool_min_free' to decide whether objects should be handed back to the kmem cache. But 'obj_pool_min_free' records the lowest historical value of the number of objects in the object pool and not the minimum number of objects which should be kept in the pool. Use 'debug_objects_pool_min_level' instead, which holds the minimum number which was scaled to the number of CPUs at boot time. [ tglx: Massage change log ] Fixes: d26bf5056fc0 ("debugobjects: Reduce number of pool_lock acquisitions in fill_pool()") Fixes: 36c4ead6f6df ("debugobjects: Add global free list and the counter") Signed-off-by: Zhen Lei Signed-off-by: Thomas Gleixner Cc: stable@vger.kernel.org Link: https://lore.kernel.org/all/20240904133944.2124-3-thunder.leizhen@huawei.com Signed-off-by: Greg Kroah-Hartman --- lib/debugobjects.c | 5 +++-- 1 file changed, 3 insertions(+), 2 deletions(-) diff --git a/lib/debugobjects.c b/lib/debugobjects.c index b055741a5a4d..49fc61c08ee3 100644 --- a/lib/debugobjects.c +++ b/lib/debugobjects.c @@ -144,13 +144,14 @@ static void fill_pool(void) * READ_ONCE()s pair with the WRITE_ONCE()s in pool_lock critical * sections. */ - while (READ_ONCE(obj_nr_tofree) && (READ_ONCE(obj_pool_free) < obj_pool_min_free)) { + while (READ_ONCE(obj_nr_tofree) && + READ_ONCE(obj_pool_free) < debug_objects_pool_min_level) { raw_spin_lock_irqsave(&pool_lock, flags); /* * Recheck with the lock held as the worker thread might have * won the race and freed the global free list already. */ - while (obj_nr_tofree && (obj_pool_free < obj_pool_min_free)) { + while (obj_nr_tofree && (obj_pool_free < debug_objects_pool_min_level)) { obj = hlist_entry(obj_to_free.first, typeof(*obj), node); hlist_del(&obj->node); WRITE_ONCE(obj_nr_tofree, obj_nr_tofree - 1); From 85c2f7bd573d4cff37ec8002e2b40eda9c7d7909 Mon Sep 17 00:00:00 2001 From: Nikita Zhandarovich Date: Wed, 24 Jul 2024 10:05:44 -0700 Subject: [PATCH 240/649] f2fs: prevent possible int overflow in dir_block_index() commit 47f268f33dff4a5e31541a990dc09f116f80e61c upstream. The result of multiplication between values derived from functions dir_buckets() and bucket_blocks() *could* technically reach 2^30 * 2^2 = 2^32. While unlikely to happen, it is prudent to ensure that it will not lead to integer overflow. Thus, use mul_u32_u32() as it's more appropriate to mitigate the issue. Found by Linux Verification Center (linuxtesting.org) with static analysis tool SVACE. Fixes: 3843154598a0 ("f2fs: introduce large directory support") Cc: stable@vger.kernel.org Signed-off-by: Nikita Zhandarovich Reviewed-by: Chao Yu Signed-off-by: Jaegeuk Kim Signed-off-by: Greg Kroah-Hartman --- fs/f2fs/dir.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/fs/f2fs/dir.c b/fs/f2fs/dir.c index 6694298b1660..c6348e346851 100644 --- a/fs/f2fs/dir.c +++ b/fs/f2fs/dir.c @@ -183,7 +183,8 @@ static unsigned long dir_block_index(unsigned int level, unsigned long bidx = 0; for (i = 0; i < level; i++) - bidx += dir_buckets(i, dir_level) * bucket_blocks(i); + bidx += mul_u32_u32(dir_buckets(i, dir_level), + bucket_blocks(i)); bidx += idx * bucket_blocks(level); return bidx; } From cef1056ee6fc8c1a53ebd471d91b40b066f9c605 Mon Sep 17 00:00:00 2001 From: Nikita Zhandarovich Date: Wed, 24 Jul 2024 10:51:58 -0700 Subject: [PATCH 241/649] f2fs: avoid potential int overflow in sanity_check_area_boundary() commit 50438dbc483ca6a133d2bce9d5d6747bcee38371 upstream. While calculating the end addresses of main area and segment 0, u32 may be not enough to hold the result without the danger of int overflow. Just in case, play it safe and cast one of the operands to a wider type (u64). Found by Linux Verification Center (linuxtesting.org) with static analysis tool SVACE. Fixes: fd694733d523 ("f2fs: cover large section in sanity check of super") Cc: stable@vger.kernel.org Signed-off-by: Nikita Zhandarovich Reviewed-by: Chao Yu Signed-off-by: Jaegeuk Kim Signed-off-by: Greg Kroah-Hartman --- fs/f2fs/super.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/fs/f2fs/super.c b/fs/f2fs/super.c index 9fed42e7bb1d..9afbb51bd678 100644 --- a/fs/f2fs/super.c +++ b/fs/f2fs/super.c @@ -2754,9 +2754,9 @@ static inline bool sanity_check_area_boundary(struct f2fs_sb_info *sbi, u32 segment_count = le32_to_cpu(raw_super->segment_count); u32 log_blocks_per_seg = le32_to_cpu(raw_super->log_blocks_per_seg); u64 main_end_blkaddr = main_blkaddr + - (segment_count_main << log_blocks_per_seg); + ((u64)segment_count_main << log_blocks_per_seg); u64 seg_end_blkaddr = segment0_blkaddr + - (segment_count << log_blocks_per_seg); + ((u64)segment_count << log_blocks_per_seg); if (segment0_blkaddr != cp_blkaddr) { f2fs_info(sbi, "Mismatch start address, segment0(%u) cp_blkaddr(%u)", From 1b2137f6c9bdabf4839afb883a45e354efc0bca5 Mon Sep 17 00:00:00 2001 From: Guoqing Jiang Date: Mon, 26 Aug 2024 15:04:15 +0800 Subject: [PATCH 242/649] hwrng: mtk - Use devm_pm_runtime_enable commit 78cb66caa6ab5385ac2090f1aae5f3c19e08f522 upstream. Replace pm_runtime_enable with the devres-enabled version which can trigger pm_runtime_disable. Otherwise, the below appears during reload driver. mtk_rng 1020f000.rng: Unbalanced pm_runtime_enable! Fixes: 81d2b34508c6 ("hwrng: mtk - add runtime PM support") Cc: Suggested-by: Chen-Yu Tsai Signed-off-by: Guoqing Jiang Signed-off-by: Herbert Xu Signed-off-by: Greg Kroah-Hartman --- drivers/char/hw_random/mtk-rng.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/char/hw_random/mtk-rng.c b/drivers/char/hw_random/mtk-rng.c index 6c00ea008555..3e00506543b6 100644 --- a/drivers/char/hw_random/mtk-rng.c +++ b/drivers/char/hw_random/mtk-rng.c @@ -142,7 +142,7 @@ static int mtk_rng_probe(struct platform_device *pdev) dev_set_drvdata(&pdev->dev, priv); pm_runtime_set_autosuspend_delay(&pdev->dev, RNG_AUTOSUSPEND_TIMEOUT); pm_runtime_use_autosuspend(&pdev->dev); - pm_runtime_enable(&pdev->dev); + devm_pm_runtime_enable(&pdev->dev); dev_info(&pdev->dev, "registered RNG driver\n"); From d41d665346374c9b666b7507a5f7a2a0ab1bae23 Mon Sep 17 00:00:00 2001 From: Gaosheng Cui Date: Sat, 3 Aug 2024 14:49:23 +0800 Subject: [PATCH 243/649] hwrng: cctrng - Add missing clk_disable_unprepare in cctrng_resume commit 4b7acc85de14ee8a2236f54445dc635d47eceac0 upstream. Add the missing clk_disable_unprepare() before return in cctrng_resume(). Fixes: a583ed310bb6 ("hwrng: cctrng - introduce Arm CryptoCell driver") Cc: Signed-off-by: Gaosheng Cui Signed-off-by: Herbert Xu Signed-off-by: Greg Kroah-Hartman --- drivers/char/hw_random/cctrng.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/char/hw_random/cctrng.c b/drivers/char/hw_random/cctrng.c index 7a293f2147a0..9c61807dfe13 100644 --- a/drivers/char/hw_random/cctrng.c +++ b/drivers/char/hw_random/cctrng.c @@ -679,6 +679,7 @@ static int __maybe_unused cctrng_resume(struct device *dev) /* wait for Cryptocell reset completion */ if (!cctrng_wait_for_reset_completion(drvdata)) { dev_err(dev, "Cryptocell reset not completed"); + clk_disable_unprepare(drvdata->clk); return -EBUSY; } From b2cb101b9b726e09bd28b8a99878a731070deed6 Mon Sep 17 00:00:00 2001 From: Dragan Simic Date: Sun, 4 Aug 2024 23:10:24 +0200 Subject: [PATCH 244/649] arm64: dts: rockchip: Raise Pinebook Pro's panel backlight PWM frequency MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit commit 8c51521de18755d4112a77a598a348b38d0af370 upstream. Increase the frequency of the PWM signal that drives the LED backlight of the Pinebook Pro's panel, from about 1.35 KHz (which equals to the PWM period of 740,740 ns), to exactly 8 kHz (which equals to the PWM period of 125,000 ns). Using a higher PWM frequency for the panel backlight, which reduces the flicker, can only be beneficial to the end users' eyes. On top of that, increasing the backlight PWM signal frequency reportedly eliminates the buzzing emitted from the Pinebook Pro's built-in speakers when certain backlight levels are set, which cause some weird interference with some of the components of the Pinebook Pro's audio chain. The old value for the backlight PWM period, i.e. 740,740 ns, is pretty much an arbitrary value that was selected during the very early bring-up of the Pinebook Pro, only because that value seemed to minimize horizontal line distortion on the display, which resulted from the old X.org drivers causing screen tearing when dragging windows around. That's no longer an issue, so there are no reasons to stick with the old PWM period value. The lower and the upper backlight PWM frequency limits for the Pinebook Pro's panel, according to its datasheet, are 200 Hz and 10 kHz, respectively. [1] These changes still leave some headroom, which may have some positive effects on the lifetime expectancy of the panel's backlight LEDs. [1] https://files.pine64.org/doc/datasheet/PinebookPro/NV140FHM-N49_Rev.P0_20160804_201710235838.pdf Fixes: 5a65505a6988 ("arm64: dts: rockchip: Add initial support for Pinebook Pro") Cc: stable@vger.kernel.org Reported-by: Nikola Radojevic Signed-off-by: Dragan Simic Tested-by: Nikola Radojević Link: https://lore.kernel.org/r/2a23b6cfd8c0513e5b233b4006ee3d3ed09b824f.1722805655.git.dsimic@manjaro.org Signed-off-by: Heiko Stuebner Signed-off-by: Greg Kroah-Hartman --- arch/arm64/boot/dts/rockchip/rk3399-pinebook-pro.dts | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/arch/arm64/boot/dts/rockchip/rk3399-pinebook-pro.dts b/arch/arm64/boot/dts/rockchip/rk3399-pinebook-pro.dts index 913ba25ea72f..3cb5e22062dc 100644 --- a/arch/arm64/boot/dts/rockchip/rk3399-pinebook-pro.dts +++ b/arch/arm64/boot/dts/rockchip/rk3399-pinebook-pro.dts @@ -25,7 +25,7 @@ chosen { backlight: edp-backlight { compatible = "pwm-backlight"; power-supply = <&vcc_12v>; - pwms = <&pwm0 0 740740 0>; + pwms = <&pwm0 0 125000 0>; }; bat: battery { From 0eecd2ee23afc6ffb87b39429254e1ab22035571 Mon Sep 17 00:00:00 2001 From: Dragan Simic Date: Mon, 15 Jul 2024 19:44:20 +0200 Subject: [PATCH 245/649] arm64: dts: rockchip: Correct the Pinebook Pro battery design capacity commit def33fb1191207f5afa6dcb681d71fef2a6c1293 upstream. All batches of the Pine64 Pinebook Pro, except the latest batch (as of 2024) whose hardware design was revised due to the component shortage, use a 1S lithium battery whose nominal/design capacity is 10,000 mAh, according to the battery datasheet. [1][2] Let's correct the design full-charge value in the Pinebook Pro board dts, to improve the accuracy of the hardware description, and to hopefully improve the accuracy of the fuel gauge a bit on all units that don't belong to the latest batch. The above-mentioned latest batch uses a different 1S lithium battery with a slightly lower capacity, more precisely 9,600 mAh. To make the fuel gauge work reliably on the latest batch, a sample battery would need to be sent to CellWise, to obtain its proprietary battery profile, whose data goes into "cellwise,battery-profile" in the Pinebook Pro board dts. Without that data, the fuel gauge reportedly works unreliably, so changing the design capacity won't have any negative effects on the already unreliable operation of the fuel gauge in the Pinebook Pros that belong to the latest batch. According to the battery datasheet, its voltage can go as low as 2.75 V while discharging, but it's better to leave the current 3.0 V value in the dts file, because of the associated Pinebook Pro's voltage regulation issues. [1] https://wiki.pine64.org/index.php/Pinebook_Pro#Battery [2] https://files.pine64.org/doc/datasheet/pinebook/40110175P%203.8V%2010000mAh%E8%A7%84%E6%A0%BC%E4%B9%A6-14.pdf Fixes: c7c4d698cd28 ("arm64: dts: rockchip: add fuel gauge to Pinebook Pro dts") Cc: stable@vger.kernel.org Cc: Marek Kraus Signed-off-by: Dragan Simic Link: https://lore.kernel.org/r/731f8ef9b1a867bcc730d19ed277c8c0534c0842.1721065172.git.dsimic@manjaro.org Signed-off-by: Heiko Stuebner Signed-off-by: Greg Kroah-Hartman --- arch/arm64/boot/dts/rockchip/rk3399-pinebook-pro.dts | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/arch/arm64/boot/dts/rockchip/rk3399-pinebook-pro.dts b/arch/arm64/boot/dts/rockchip/rk3399-pinebook-pro.dts index 3cb5e22062dc..015e004bf275 100644 --- a/arch/arm64/boot/dts/rockchip/rk3399-pinebook-pro.dts +++ b/arch/arm64/boot/dts/rockchip/rk3399-pinebook-pro.dts @@ -30,7 +30,7 @@ backlight: edp-backlight { bat: battery { compatible = "simple-battery"; - charge-full-design-microamp-hours = <9800000>; + charge-full-design-microamp-hours = <10000000>; voltage-max-design-microvolt = <4350000>; voltage-min-design-microvolt = <3000000>; }; From 47a68c75052a660e4c37de41e321582ec9496195 Mon Sep 17 00:00:00 2001 From: Julian Sun Date: Fri, 23 Aug 2024 21:07:30 +0800 Subject: [PATCH 246/649] vfs: fix race between evice_inodes() and find_inode()&iput() commit 88b1afbf0f6b221f6c5bb66cc80cd3b38d696687 upstream. Hi, all Recently I noticed a bug[1] in btrfs, after digged it into and I believe it'a race in vfs. Let's assume there's a inode (ie ino 261) with i_count 1 is called by iput(), and there's a concurrent thread calling generic_shutdown_super(). cpu0: cpu1: iput() // i_count is 1 ->spin_lock(inode) ->dec i_count to 0 ->iput_final() generic_shutdown_super() ->__inode_add_lru() ->evict_inodes() // cause some reason[2] ->if (atomic_read(inode->i_count)) continue; // return before // inode 261 passed the above check // list_lru_add_obj() // and then schedule out ->spin_unlock() // note here: the inode 261 // was still at sb list and hash list, // and I_FREEING|I_WILL_FREE was not been set btrfs_iget() // after some function calls ->find_inode() // found the above inode 261 ->spin_lock(inode) // check I_FREEING|I_WILL_FREE // and passed ->__iget() ->spin_unlock(inode) // schedule back ->spin_lock(inode) // check (I_NEW|I_FREEING|I_WILL_FREE) flags, // passed and set I_FREEING iput() ->spin_unlock(inode) ->spin_lock(inode) ->evict() // dec i_count to 0 ->iput_final() ->spin_unlock() ->evict() Now, we have two threads simultaneously evicting the same inode, which may trigger the BUG(inode->i_state & I_CLEAR) statement both within clear_inode() and iput(). To fix the bug, recheck the inode->i_count after holding i_lock. Because in the most scenarios, the first check is valid, and the overhead of spin_lock() can be reduced. If there is any misunderstanding, please let me know, thanks. [1]: https://lore.kernel.org/linux-btrfs/000000000000eabe1d0619c48986@google.com/ [2]: The reason might be 1. SB_ACTIVE was removed or 2. mapping_shrinkable() return false when I reproduced the bug. Reported-by: syzbot+67ba3c42bcbb4665d3ad@syzkaller.appspotmail.com Closes: https://syzkaller.appspot.com/bug?extid=67ba3c42bcbb4665d3ad CC: stable@vger.kernel.org Fixes: 63997e98a3be ("split invalidate_inodes()") Signed-off-by: Julian Sun Link: https://lore.kernel.org/r/20240823130730.658881-1-sunjunchao2870@gmail.com Reviewed-by: Jan Kara Signed-off-by: Christian Brauner Signed-off-by: Greg Kroah-Hartman --- fs/inode.c | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/fs/inode.c b/fs/inode.c index de7a63c24c5d..320b70ce79a7 100644 --- a/fs/inode.c +++ b/fs/inode.c @@ -670,6 +670,10 @@ void evict_inodes(struct super_block *sb) continue; spin_lock(&inode->i_lock); + if (atomic_read(&inode->i_count)) { + spin_unlock(&inode->i_lock); + continue; + } if (inode->i_state & (I_NEW | I_FREEING | I_WILL_FREE)) { spin_unlock(&inode->i_lock); continue; From a239ff33c512bbb2707c80700fb787887546969a Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Micka=C3=ABl=20Sala=C3=BCn?= Date: Wed, 21 Aug 2024 11:56:05 +0200 Subject: [PATCH 247/649] fs: Fix file_set_fowner LSM hook inconsistencies MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit commit 26f204380a3c182e5adf1a798db0724d6111b597 upstream. The fcntl's F_SETOWN command sets the process that handle SIGIO/SIGURG for the related file descriptor. Before this change, the file_set_fowner LSM hook was always called, ignoring the VFS logic which may not actually change the process that handles SIGIO (e.g. TUN, TTY, dnotify), nor update the related UID/EUID. Moreover, because security_file_set_fowner() was called without lock (e.g. f_owner.lock), concurrent F_SETOWN commands could result to a race condition and inconsistent LSM states (e.g. SELinux's fown_sid) compared to struct fown_struct's UID/EUID. This change makes sure the LSM states are always in sync with the VFS state by moving the security_file_set_fowner() call close to the UID/EUID updates and using the same f_owner.lock . Rename f_modown() to __f_setown() to simplify code. Cc: stable@vger.kernel.org Cc: Al Viro Cc: Casey Schaufler Cc: Christian Brauner Cc: James Morris Cc: Jann Horn Cc: Ondrej Mosnacek Cc: Paul Moore Cc: Serge E. Hallyn Cc: Stephen Smalley Fixes: 1da177e4c3f4 ("Linux-2.6.12-rc2") Signed-off-by: Mickaël Salaün Signed-off-by: Paul Moore Signed-off-by: Greg Kroah-Hartman --- fs/fcntl.c | 14 ++++---------- 1 file changed, 4 insertions(+), 10 deletions(-) diff --git a/fs/fcntl.c b/fs/fcntl.c index fcf34f83bf6a..4a65d3689620 100644 --- a/fs/fcntl.c +++ b/fs/fcntl.c @@ -84,8 +84,8 @@ static int setfl(int fd, struct file * filp, unsigned long arg) return error; } -static void f_modown(struct file *filp, struct pid *pid, enum pid_type type, - int force) +void __f_setown(struct file *filp, struct pid *pid, enum pid_type type, + int force) { write_lock_irq(&filp->f_owner.lock); if (force || !filp->f_owner.pid) { @@ -95,19 +95,13 @@ static void f_modown(struct file *filp, struct pid *pid, enum pid_type type, if (pid) { const struct cred *cred = current_cred(); + security_file_set_fowner(filp); filp->f_owner.uid = cred->uid; filp->f_owner.euid = cred->euid; } } write_unlock_irq(&filp->f_owner.lock); } - -void __f_setown(struct file *filp, struct pid *pid, enum pid_type type, - int force) -{ - security_file_set_fowner(filp); - f_modown(filp, pid, type, force); -} EXPORT_SYMBOL(__f_setown); int f_setown(struct file *filp, unsigned long arg, int force) @@ -143,7 +137,7 @@ EXPORT_SYMBOL(f_setown); void f_delown(struct file *filp) { - f_modown(filp, NULL, PIDTYPE_TGID, 1); + __f_setown(filp, NULL, PIDTYPE_TGID, 1); } pid_t f_getown(struct file *filp) From 7d0079d64442802bcf6595649986748ac518761b Mon Sep 17 00:00:00 2001 From: Li Lingfeng Date: Wed, 4 Sep 2024 20:34:57 +0800 Subject: [PATCH 248/649] nfs: fix memory leak in error path of nfs4_do_reclaim commit 8f6a7c9467eaf39da4c14e5474e46190ab3fb529 upstream. Commit c77e22834ae9 ("NFSv4: Fix a potential sleep while atomic in nfs4_do_reclaim()") separate out the freeing of the state owners from nfs4_purge_state_owners() and finish it outside the rcu lock. However, the error path is omitted. As a result, the state owners in "freeme" will not be released. Fix it by adding freeing in the error path. Fixes: c77e22834ae9 ("NFSv4: Fix a potential sleep while atomic in nfs4_do_reclaim()") Signed-off-by: Li Lingfeng Cc: stable@vger.kernel.org # v5.3+ Signed-off-by: Anna Schumaker Signed-off-by: Greg Kroah-Hartman --- fs/nfs/nfs4state.c | 1 + 1 file changed, 1 insertion(+) diff --git a/fs/nfs/nfs4state.c b/fs/nfs/nfs4state.c index d8fc5d72a161..e5cdb700bbe7 100644 --- a/fs/nfs/nfs4state.c +++ b/fs/nfs/nfs4state.c @@ -1948,6 +1948,7 @@ static int nfs4_do_reclaim(struct nfs_client *clp, const struct nfs4_state_recov set_bit(ops->owner_flag_bit, &sp->so_flags); nfs4_put_state_owner(sp); status = nfs4_recovery_handle_error(clp, status); + nfs4_free_state_owners(&freeme); return (status != 0) ? status : -EAGAIN; } From 46c4079460f4dcaf445860679558eedef4e1bc91 Mon Sep 17 00:00:00 2001 From: VanGiang Nguyen Date: Fri, 9 Aug 2024 06:21:42 +0000 Subject: [PATCH 249/649] padata: use integer wrap around to prevent deadlock on seq_nr overflow commit 9a22b2812393d93d84358a760c347c21939029a6 upstream. When submitting more than 2^32 padata objects to padata_do_serial, the current sorting implementation incorrectly sorts padata objects with overflowed seq_nr, causing them to be placed before existing objects in the reorder list. This leads to a deadlock in the serialization process as padata_find_next cannot match padata->seq_nr and pd->processed because the padata instance with overflowed seq_nr will be selected next. To fix this, we use an unsigned integer wrap around to correctly sort padata objects in scenarios with integer overflow. Fixes: bfde23ce200e ("padata: unbind parallel jobs from specific CPUs") Cc: Co-developed-by: Christian Gafert Signed-off-by: Christian Gafert Co-developed-by: Max Ferger Signed-off-by: Max Ferger Signed-off-by: Van Giang Nguyen Acked-by: Daniel Jordan Signed-off-by: Herbert Xu Signed-off-by: Greg Kroah-Hartman --- kernel/padata.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/kernel/padata.c b/kernel/padata.c index 41d5bf2fa2ad..914a88d9cee1 100644 --- a/kernel/padata.c +++ b/kernel/padata.c @@ -409,7 +409,8 @@ void padata_do_serial(struct padata_priv *padata) /* Sort in ascending order of sequence number. */ list_for_each_prev(pos, &reorder->list) { cur = list_entry(pos, struct padata_priv, list); - if (cur->seq_nr < padata->seq_nr) + /* Compare by difference to consider integer wrap around */ + if ((signed int)(cur->seq_nr - padata->seq_nr) < 0) break; } list_add(&padata->list, pos); From 6dacc0b667a959ed9bdf27c73329de5ffc1bad34 Mon Sep 17 00:00:00 2001 From: Thomas Gleixner Date: Thu, 10 Dec 2020 20:25:54 +0100 Subject: [PATCH 250/649] PCI: xilinx-nwl: Use irq_data_get_irq_chip_data() [ Upstream commit e56427068a8d796bb7b8e297f2b6e947380e383f ] Going through a full irq descriptor lookup instead of just using the proper helper function which provides direct access is suboptimal. In fact it _is_ wrong because the chip callback needs to get the chip data which is relevant for the chip while using the irq descriptor variant returns the irq chip data of the top level chip of a hierarchy. It does not matter in this case because the chip is the top level chip, but that doesn't make it more correct. Signed-off-by: Thomas Gleixner Reviewed-by: Rob Herring Cc: Bjorn Helgaas Link: https://lore.kernel.org/r/20201210194044.364211860@linutronix.de Stable-dep-of: 0199d2f2bd8c ("PCI: xilinx-nwl: Fix off-by-one in INTx IRQ handler") Signed-off-by: Sasha Levin --- drivers/pci/controller/pcie-xilinx-nwl.c | 8 ++------ 1 file changed, 2 insertions(+), 6 deletions(-) diff --git a/drivers/pci/controller/pcie-xilinx-nwl.c b/drivers/pci/controller/pcie-xilinx-nwl.c index 5c6653d825fb..f3562fd821e7 100644 --- a/drivers/pci/controller/pcie-xilinx-nwl.c +++ b/drivers/pci/controller/pcie-xilinx-nwl.c @@ -381,13 +381,11 @@ static void nwl_pcie_msi_handler_low(struct irq_desc *desc) static void nwl_mask_leg_irq(struct irq_data *data) { - struct irq_desc *desc = irq_to_desc(data->irq); - struct nwl_pcie *pcie; + struct nwl_pcie *pcie = irq_data_get_irq_chip_data(data); unsigned long flags; u32 mask; u32 val; - pcie = irq_desc_get_chip_data(desc); mask = 1 << (data->hwirq - 1); raw_spin_lock_irqsave(&pcie->leg_mask_lock, flags); val = nwl_bridge_readl(pcie, MSGF_LEG_MASK); @@ -397,13 +395,11 @@ static void nwl_mask_leg_irq(struct irq_data *data) static void nwl_unmask_leg_irq(struct irq_data *data) { - struct irq_desc *desc = irq_to_desc(data->irq); - struct nwl_pcie *pcie; + struct nwl_pcie *pcie = irq_data_get_irq_chip_data(data); unsigned long flags; u32 mask; u32 val; - pcie = irq_desc_get_chip_data(desc); mask = 1 << (data->hwirq - 1); raw_spin_lock_irqsave(&pcie->leg_mask_lock, flags); val = nwl_bridge_readl(pcie, MSGF_LEG_MASK); From 263d04df06448f433e6fe5d0e2a2bdc602afa3dc Mon Sep 17 00:00:00 2001 From: Sean Anderson Date: Fri, 31 May 2024 12:13:32 -0400 Subject: [PATCH 251/649] PCI: xilinx-nwl: Fix off-by-one in INTx IRQ handler [ Upstream commit 0199d2f2bd8cd97b310f7ed82a067247d7456029 ] MSGF_LEG_MASK is laid out with INTA in bit 0, INTB in bit 1, INTC in bit 2, and INTD in bit 3. Hardware IRQ numbers start at 0, and we register PCI_NUM_INTX IRQs. So to enable INTA (aka hwirq 0) we should set bit 0. Remove the subtraction of one. This bug would cause INTx interrupts not to be delivered, as enabling INTB would actually enable INTA, and enabling INTA wouldn't enable anything at all. It is likely that this got overlooked for so long since most PCIe hardware uses MSIs. This fixes the following UBSAN error: UBSAN: shift-out-of-bounds in ../drivers/pci/controller/pcie-xilinx-nwl.c:389:11 shift exponent 18446744073709551615 is too large for 32-bit type 'int' CPU: 1 PID: 61 Comm: kworker/u10:1 Not tainted 6.6.20+ #268 Hardware name: xlnx,zynqmp (DT) Workqueue: events_unbound deferred_probe_work_func Call trace: dump_backtrace (arch/arm64/kernel/stacktrace.c:235) show_stack (arch/arm64/kernel/stacktrace.c:242) dump_stack_lvl (lib/dump_stack.c:107) dump_stack (lib/dump_stack.c:114) __ubsan_handle_shift_out_of_bounds (lib/ubsan.c:218 lib/ubsan.c:387) nwl_unmask_leg_irq (drivers/pci/controller/pcie-xilinx-nwl.c:389 (discriminator 1)) irq_enable (kernel/irq/internals.h:234 kernel/irq/chip.c:170 kernel/irq/chip.c:439 kernel/irq/chip.c:432 kernel/irq/chip.c:345) __irq_startup (kernel/irq/internals.h:239 kernel/irq/chip.c:180 kernel/irq/chip.c:250) irq_startup (kernel/irq/chip.c:270) __setup_irq (kernel/irq/manage.c:1800) request_threaded_irq (kernel/irq/manage.c:2206) pcie_pme_probe (include/linux/interrupt.h:168 drivers/pci/pcie/pme.c:348) Fixes: 9a181e1093af ("PCI: xilinx-nwl: Modify IRQ chip for legacy interrupts") Link: https://lore.kernel.org/r/20240531161337.864994-3-sean.anderson@linux.dev Signed-off-by: Sean Anderson Signed-off-by: Bjorn Helgaas Cc: stable@vger.kernel.org Signed-off-by: Sasha Levin --- drivers/pci/controller/pcie-xilinx-nwl.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/pci/controller/pcie-xilinx-nwl.c b/drivers/pci/controller/pcie-xilinx-nwl.c index f3562fd821e7..bf9c30776087 100644 --- a/drivers/pci/controller/pcie-xilinx-nwl.c +++ b/drivers/pci/controller/pcie-xilinx-nwl.c @@ -386,7 +386,7 @@ static void nwl_mask_leg_irq(struct irq_data *data) u32 mask; u32 val; - mask = 1 << (data->hwirq - 1); + mask = 1 << data->hwirq; raw_spin_lock_irqsave(&pcie->leg_mask_lock, flags); val = nwl_bridge_readl(pcie, MSGF_LEG_MASK); nwl_bridge_writel(pcie, (val & (~mask)), MSGF_LEG_MASK); @@ -400,7 +400,7 @@ static void nwl_unmask_leg_irq(struct irq_data *data) u32 mask; u32 val; - mask = 1 << (data->hwirq - 1); + mask = 1 << data->hwirq; raw_spin_lock_irqsave(&pcie->leg_mask_lock, flags); val = nwl_bridge_readl(pcie, MSGF_LEG_MASK); nwl_bridge_writel(pcie, (val | mask), MSGF_LEG_MASK); From 6b3b25311d3e08977d53df4b6feb2c006f1852ff Mon Sep 17 00:00:00 2001 From: Krzysztof Kozlowski Date: Sun, 25 Aug 2024 20:05:23 +0200 Subject: [PATCH 252/649] soc: versatile: realview: fix memory leak during device remove [ Upstream commit 1c4f26a41f9d052f334f6ae629e01f598ed93508 ] If device is unbound, the memory allocated for soc_dev_attr should be freed to prevent leaks. Signed-off-by: Krzysztof Kozlowski Link: https://lore.kernel.org/20240825-soc-dev-fixes-v1-2-ff4b35abed83@linaro.org Signed-off-by: Linus Walleij Stable-dep-of: c774f2564c00 ("soc: versatile: realview: fix soc_dev leak during device remove") Signed-off-by: Sasha Levin --- drivers/soc/versatile/soc-realview.c | 7 +++---- 1 file changed, 3 insertions(+), 4 deletions(-) diff --git a/drivers/soc/versatile/soc-realview.c b/drivers/soc/versatile/soc-realview.c index c6876d232d8f..d304ee69287a 100644 --- a/drivers/soc/versatile/soc-realview.c +++ b/drivers/soc/versatile/soc-realview.c @@ -93,7 +93,7 @@ static int realview_soc_probe(struct platform_device *pdev) if (IS_ERR(syscon_regmap)) return PTR_ERR(syscon_regmap); - soc_dev_attr = kzalloc(sizeof(*soc_dev_attr), GFP_KERNEL); + soc_dev_attr = devm_kzalloc(&pdev->dev, sizeof(*soc_dev_attr), GFP_KERNEL); if (!soc_dev_attr) return -ENOMEM; @@ -106,10 +106,9 @@ static int realview_soc_probe(struct platform_device *pdev) soc_dev_attr->family = "Versatile"; soc_dev_attr->custom_attr_group = realview_groups[0]; soc_dev = soc_device_register(soc_dev_attr); - if (IS_ERR(soc_dev)) { - kfree(soc_dev_attr); + if (IS_ERR(soc_dev)) return -ENODEV; - } + ret = regmap_read(syscon_regmap, REALVIEW_SYS_ID_OFFSET, &realview_coreid); if (ret) From 6ea76e19d6dfc6253bf46e7d8da8d148e75377e0 Mon Sep 17 00:00:00 2001 From: Krzysztof Kozlowski Date: Sun, 25 Aug 2024 20:05:24 +0200 Subject: [PATCH 253/649] soc: versatile: realview: fix soc_dev leak during device remove [ Upstream commit c774f2564c0086c23f5269fd4691f233756bf075 ] If device is unbound, the soc_dev should be unregistered to prevent memory leak. Fixes: a2974c9c1f83 ("soc: add driver for the ARM RealView") Cc: stable@vger.kernel.org Signed-off-by: Krzysztof Kozlowski Link: https://lore.kernel.org/20240825-soc-dev-fixes-v1-3-ff4b35abed83@linaro.org Signed-off-by: Linus Walleij Signed-off-by: Sasha Levin --- drivers/soc/versatile/soc-realview.c | 13 +++++++++++++ 1 file changed, 13 insertions(+) diff --git a/drivers/soc/versatile/soc-realview.c b/drivers/soc/versatile/soc-realview.c index d304ee69287a..cf91abe07d38 100644 --- a/drivers/soc/versatile/soc-realview.c +++ b/drivers/soc/versatile/soc-realview.c @@ -4,6 +4,7 @@ * * Author: Linus Walleij */ +#include #include #include #include @@ -81,6 +82,13 @@ static struct attribute *realview_attrs[] = { ATTRIBUTE_GROUPS(realview); +static void realview_soc_socdev_release(void *data) +{ + struct soc_device *soc_dev = data; + + soc_device_unregister(soc_dev); +} + static int realview_soc_probe(struct platform_device *pdev) { struct regmap *syscon_regmap; @@ -109,6 +117,11 @@ static int realview_soc_probe(struct platform_device *pdev) if (IS_ERR(soc_dev)) return -ENODEV; + ret = devm_add_action_or_reset(&pdev->dev, realview_soc_socdev_release, + soc_dev); + if (ret) + return ret; + ret = regmap_read(syscon_regmap, REALVIEW_SYS_ID_OFFSET, &realview_coreid); if (ret) From bf509ca62fea8762b213b442cb15a77e2f619eb9 Mon Sep 17 00:00:00 2001 From: Lee Jones Date: Wed, 13 Dec 2023 16:42:37 +0000 Subject: [PATCH 254/649] usb: yurex: Replace snprintf() with the safer scnprintf() variant [ Upstream commit 86b20af11e84c26ae3fde4dcc4f490948e3f8035 ] There is a general misunderstanding amongst engineers that {v}snprintf() returns the length of the data *actually* encoded into the destination array. However, as per the C99 standard {v}snprintf() really returns the length of the data that *would have been* written if there were enough space for it. This misunderstanding has led to buffer-overruns in the past. It's generally considered safer to use the {v}scnprintf() variants in their place (or even sprintf() in simple cases). So let's do that. Whilst we're at it, let's define some magic numbers to increase readability and ease of maintenance. Link: https://lwn.net/Articles/69419/ Link: https://github.com/KSPP/linux/issues/105 Cc: Tomoki Sekiyama Signed-off-by: Lee Jones Link: https://lore.kernel.org/r/20231213164246.1021885-9-lee@kernel.org Signed-off-by: Greg Kroah-Hartman Stable-dep-of: 93907620b308 ("USB: misc: yurex: fix race between read and write") Signed-off-by: Sasha Levin --- drivers/usb/misc/yurex.c | 12 +++++++----- 1 file changed, 7 insertions(+), 5 deletions(-) diff --git a/drivers/usb/misc/yurex.c b/drivers/usb/misc/yurex.c index 6c3d760bd4dd..62bd302e8bb7 100644 --- a/drivers/usb/misc/yurex.c +++ b/drivers/usb/misc/yurex.c @@ -34,6 +34,8 @@ #define YUREX_BUF_SIZE 8 #define YUREX_WRITE_TIMEOUT (HZ*2) +#define MAX_S64_STRLEN 20 /* {-}922337203685477580{7,8} */ + /* table of devices that work with this driver */ static struct usb_device_id yurex_table[] = { { USB_DEVICE(YUREX_VENDOR_ID, YUREX_PRODUCT_ID) }, @@ -400,7 +402,7 @@ static ssize_t yurex_read(struct file *file, char __user *buffer, size_t count, { struct usb_yurex *dev; int len = 0; - char in_buffer[20]; + char in_buffer[MAX_S64_STRLEN]; unsigned long flags; dev = file->private_data; @@ -411,14 +413,14 @@ static ssize_t yurex_read(struct file *file, char __user *buffer, size_t count, return -ENODEV; } + if (WARN_ON_ONCE(dev->bbu > S64_MAX || dev->bbu < S64_MIN)) + return -EIO; + spin_lock_irqsave(&dev->lock, flags); - len = snprintf(in_buffer, 20, "%lld\n", dev->bbu); + scnprintf(in_buffer, MAX_S64_STRLEN, "%lld\n", dev->bbu); spin_unlock_irqrestore(&dev->lock, flags); mutex_unlock(&dev->io_mutex); - if (WARN_ON_ONCE(len >= sizeof(in_buffer))) - return -EIO; - return simple_read_from_buffer(buffer, count, ppos, in_buffer, len); } From 47a632e5c6a1eb745f6d1ba384bfc90a601089cc Mon Sep 17 00:00:00 2001 From: Oliver Neukum Date: Thu, 12 Sep 2024 15:21:22 +0200 Subject: [PATCH 255/649] USB: misc: yurex: fix race between read and write [ Upstream commit 93907620b308609c72ba4b95b09a6aa2658bb553 ] The write code path touches the bbu member in a non atomic manner without taking the spinlock. Fix it. The bug is as old as the driver. Signed-off-by: Oliver Neukum CC: stable@vger.kernel.org Link: https://lore.kernel.org/r/20240912132126.1034743-1-oneukum@suse.com Signed-off-by: Greg Kroah-Hartman Signed-off-by: Sasha Levin --- drivers/usb/misc/yurex.c | 10 ++++++---- 1 file changed, 6 insertions(+), 4 deletions(-) diff --git a/drivers/usb/misc/yurex.c b/drivers/usb/misc/yurex.c index 62bd302e8bb7..494db0178c1e 100644 --- a/drivers/usb/misc/yurex.c +++ b/drivers/usb/misc/yurex.c @@ -403,7 +403,6 @@ static ssize_t yurex_read(struct file *file, char __user *buffer, size_t count, struct usb_yurex *dev; int len = 0; char in_buffer[MAX_S64_STRLEN]; - unsigned long flags; dev = file->private_data; @@ -416,9 +415,9 @@ static ssize_t yurex_read(struct file *file, char __user *buffer, size_t count, if (WARN_ON_ONCE(dev->bbu > S64_MAX || dev->bbu < S64_MIN)) return -EIO; - spin_lock_irqsave(&dev->lock, flags); + spin_lock_irq(&dev->lock); scnprintf(in_buffer, MAX_S64_STRLEN, "%lld\n", dev->bbu); - spin_unlock_irqrestore(&dev->lock, flags); + spin_unlock_irq(&dev->lock); mutex_unlock(&dev->io_mutex); return simple_read_from_buffer(buffer, count, ppos, in_buffer, len); @@ -508,8 +507,11 @@ static ssize_t yurex_write(struct file *file, const char __user *user_buffer, __func__, retval); goto error; } - if (set && timeout) + if (set && timeout) { + spin_lock_irq(&dev->lock); dev->bbu = c2; + spin_unlock_irq(&dev->lock); + } return timeout ? count : -EIO; error: From 0e508348148a3fccdc3af03cf8ce8ec0f329503c Mon Sep 17 00:00:00 2001 From: Christophe JAILLET Date: Sun, 14 Apr 2024 12:10:17 +0200 Subject: [PATCH 256/649] pps: remove usage of the deprecated ida_simple_xx() API [ Upstream commit 55dbc5b5174d0e7d1fa397d05aa4cb145e8b887e ] ida_alloc() and ida_free() should be preferred to the deprecated ida_simple_get() and ida_simple_remove(). This is less verbose. Link: https://lkml.kernel.org/r/9f681747d446b874952a892491387d79ffe565a9.1713089394.git.christophe.jaillet@wanadoo.fr Signed-off-by: Christophe JAILLET Cc: Rodolfo Giometti Cc: Greg Kroah-Hartman Signed-off-by: Andrew Morton Stable-dep-of: 62c5a01a5711 ("pps: add an error check in parport_attach") Signed-off-by: Sasha Levin --- drivers/pps/clients/pps_parport.c | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) diff --git a/drivers/pps/clients/pps_parport.c b/drivers/pps/clients/pps_parport.c index 7a41fb7b0dec..4bb3678c7e45 100644 --- a/drivers/pps/clients/pps_parport.c +++ b/drivers/pps/clients/pps_parport.c @@ -144,7 +144,7 @@ static void parport_attach(struct parport *port) return; } - index = ida_simple_get(&pps_client_index, 0, 0, GFP_KERNEL); + index = ida_alloc(&pps_client_index, GFP_KERNEL); memset(&pps_client_cb, 0, sizeof(pps_client_cb)); pps_client_cb.private = device; pps_client_cb.irq_func = parport_irq; @@ -184,7 +184,7 @@ static void parport_attach(struct parport *port) err_unregister_dev: parport_unregister_device(device->pardev); err_free: - ida_simple_remove(&pps_client_index, index); + ida_free(&pps_client_index, index); kfree(device); } @@ -204,7 +204,7 @@ static void parport_detach(struct parport *port) pps_unregister_source(device->pps); parport_release(pardev); parport_unregister_device(pardev); - ida_simple_remove(&pps_client_index, device->index); + ida_free(&pps_client_index, device->index); kfree(device); } From 0f8e74a061cf64998ed78209ae872f5b37b6faf3 Mon Sep 17 00:00:00 2001 From: Ma Ke Date: Wed, 28 Aug 2024 21:18:14 +0800 Subject: [PATCH 257/649] pps: add an error check in parport_attach [ Upstream commit 62c5a01a5711c8e4be8ae7b6f0db663094615d48 ] In parport_attach, the return value of ida_alloc is unchecked, witch leads to the use of an invalid index value. To address this issue, index should be checked. When the index value is abnormal, the device should be freed. Found by code review, compile tested only. Cc: stable@vger.kernel.org Fixes: fb56d97df70e ("pps: client: use new parport device model") Signed-off-by: Ma Ke Acked-by: Rodolfo Giometti Link: https://lore.kernel.org/r/20240828131814.3034338-1-make24@iscas.ac.cn Signed-off-by: Greg Kroah-Hartman Signed-off-by: Sasha Levin --- drivers/pps/clients/pps_parport.c | 8 ++++++-- 1 file changed, 6 insertions(+), 2 deletions(-) diff --git a/drivers/pps/clients/pps_parport.c b/drivers/pps/clients/pps_parport.c index 4bb3678c7e45..84e49204912f 100644 --- a/drivers/pps/clients/pps_parport.c +++ b/drivers/pps/clients/pps_parport.c @@ -145,6 +145,9 @@ static void parport_attach(struct parport *port) } index = ida_alloc(&pps_client_index, GFP_KERNEL); + if (index < 0) + goto err_free_device; + memset(&pps_client_cb, 0, sizeof(pps_client_cb)); pps_client_cb.private = device; pps_client_cb.irq_func = parport_irq; @@ -155,7 +158,7 @@ static void parport_attach(struct parport *port) index); if (!device->pardev) { pr_err("couldn't register with %s\n", port->name); - goto err_free; + goto err_free_ida; } if (parport_claim_or_block(device->pardev) < 0) { @@ -183,8 +186,9 @@ static void parport_attach(struct parport *port) parport_release(device->pardev); err_unregister_dev: parport_unregister_device(device->pardev); -err_free: +err_free_ida: ida_free(&pps_client_index, index); +err_free_device: kfree(device); } From cc1de44135cade07b8e3e018a7983bf933ba3d2b Mon Sep 17 00:00:00 2001 From: Moritz Fischer Date: Sat, 17 Jul 2021 18:51:11 -0700 Subject: [PATCH 258/649] usb: renesas-xhci: Remove renesas_xhci_pci_exit() [ Upstream commit 884c274408296e7e0f56545f909b3d3a671104aa ] Remove empty function renesas_xhci_pci_exit() that does not actually do anything. Cc: Mathias Nyman Cc: Greg Kroah-Hartman Cc: Vinod Koul Signed-off-by: Moritz Fischer Link: https://lore.kernel.org/r/20210718015111.389719-3-mdf@kernel.org Signed-off-by: Greg Kroah-Hartman Stable-dep-of: f81dfa3b57c6 ("xhci: Set quirky xHC PCI hosts to D3 _after_ stopping and freeing them.") Signed-off-by: Sasha Levin --- drivers/usb/host/xhci-pci-renesas.c | 5 ----- drivers/usb/host/xhci-pci.c | 2 -- drivers/usb/host/xhci-pci.h | 3 --- 3 files changed, 10 deletions(-) diff --git a/drivers/usb/host/xhci-pci-renesas.c b/drivers/usb/host/xhci-pci-renesas.c index 96692dbbd4da..01ad6fc1adca 100644 --- a/drivers/usb/host/xhci-pci-renesas.c +++ b/drivers/usb/host/xhci-pci-renesas.c @@ -631,9 +631,4 @@ int renesas_xhci_check_request_fw(struct pci_dev *pdev, } EXPORT_SYMBOL_GPL(renesas_xhci_check_request_fw); -void renesas_xhci_pci_exit(struct pci_dev *dev) -{ -} -EXPORT_SYMBOL_GPL(renesas_xhci_pci_exit); - MODULE_LICENSE("GPL v2"); diff --git a/drivers/usb/host/xhci-pci.c b/drivers/usb/host/xhci-pci.c index 88f223b975d3..4a88e75cd958 100644 --- a/drivers/usb/host/xhci-pci.c +++ b/drivers/usb/host/xhci-pci.c @@ -533,8 +533,6 @@ static void xhci_pci_remove(struct pci_dev *dev) struct xhci_hcd *xhci; xhci = hcd_to_xhci(pci_get_drvdata(dev)); - if (xhci->quirks & XHCI_RENESAS_FW_QUIRK) - renesas_xhci_pci_exit(dev); xhci->xhc_state |= XHCI_STATE_REMOVING; diff --git a/drivers/usb/host/xhci-pci.h b/drivers/usb/host/xhci-pci.h index acd7cf0a1706..cb9a8f331a44 100644 --- a/drivers/usb/host/xhci-pci.h +++ b/drivers/usb/host/xhci-pci.h @@ -7,7 +7,6 @@ #if IS_ENABLED(CONFIG_USB_XHCI_PCI_RENESAS) int renesas_xhci_check_request_fw(struct pci_dev *dev, const struct pci_device_id *id); -void renesas_xhci_pci_exit(struct pci_dev *dev); #else static int renesas_xhci_check_request_fw(struct pci_dev *dev, @@ -16,8 +15,6 @@ static int renesas_xhci_check_request_fw(struct pci_dev *dev, return 0; } -static void renesas_xhci_pci_exit(struct pci_dev *dev) { }; - #endif struct xhci_driver_data { From 118a0c3e55e3564b78bf0f31e20f33cd42f0350f Mon Sep 17 00:00:00 2001 From: Mathias Nyman Date: Thu, 5 Sep 2024 17:32:59 +0300 Subject: [PATCH 259/649] xhci: Set quirky xHC PCI hosts to D3 _after_ stopping and freeing them. [ Upstream commit f81dfa3b57c624c56f2bff171c431bc7f5b558f2 ] PCI xHC host should be stopped and xhci driver memory freed before putting host to PCI D3 state during PCI remove callback. Hosts with XHCI_SPURIOUS_WAKEUP quirk did this the wrong way around and set the host to D3 before calling usb_hcd_pci_remove(dev), which will access the host to stop it, and then free xhci. Fixes: f1f6d9a8b540 ("xhci: don't dereference a xhci member after removing xhci") Cc: stable@vger.kernel.org Signed-off-by: Mathias Nyman Link: https://lore.kernel.org/r/20240905143300.1959279-12-mathias.nyman@linux.intel.com Signed-off-by: Greg Kroah-Hartman Signed-off-by: Sasha Levin --- drivers/usb/host/xhci-pci.c | 10 ++++++---- 1 file changed, 6 insertions(+), 4 deletions(-) diff --git a/drivers/usb/host/xhci-pci.c b/drivers/usb/host/xhci-pci.c index 4a88e75cd958..82700a734f8a 100644 --- a/drivers/usb/host/xhci-pci.c +++ b/drivers/usb/host/xhci-pci.c @@ -531,8 +531,10 @@ static int xhci_pci_probe(struct pci_dev *dev, const struct pci_device_id *id) static void xhci_pci_remove(struct pci_dev *dev) { struct xhci_hcd *xhci; + bool set_power_d3; xhci = hcd_to_xhci(pci_get_drvdata(dev)); + set_power_d3 = xhci->quirks & XHCI_SPURIOUS_WAKEUP; xhci->xhc_state |= XHCI_STATE_REMOVING; @@ -545,11 +547,11 @@ static void xhci_pci_remove(struct pci_dev *dev) xhci->shared_hcd = NULL; } - /* Workaround for spurious wakeups at shutdown with HSW */ - if (xhci->quirks & XHCI_SPURIOUS_WAKEUP) - pci_set_power_state(dev, PCI_D3hot); - usb_hcd_pci_remove(dev); + + /* Workaround for spurious wakeups at shutdown with HSW */ + if (set_power_d3) + pci_set_power_state(dev, PCI_D3hot); } #ifdef CONFIG_PM From 1472dd897fab6e93059a4fee9bad9c48991c40ac Mon Sep 17 00:00:00 2001 From: Zhiguo Niu Date: Thu, 20 Jun 2024 22:54:34 +0000 Subject: [PATCH 260/649] lockdep: fix deadlock issue between lockdep and rcu commit a6f88ac32c6e63e69c595bfae220d8641704c9b7 upstream. There is a deadlock scenario between lockdep and rcu when rcu nocb feature is enabled, just as following call stack: rcuop/x -000|queued_spin_lock_slowpath(lock = 0xFFFFFF817F2A8A80, val = ?) -001|queued_spin_lock(inline) // try to hold nocb_gp_lock -001|do_raw_spin_lock(lock = 0xFFFFFF817F2A8A80) -002|__raw_spin_lock_irqsave(inline) -002|_raw_spin_lock_irqsave(lock = 0xFFFFFF817F2A8A80) -003|wake_nocb_gp_defer(inline) -003|__call_rcu_nocb_wake(rdp = 0xFFFFFF817F30B680) -004|__call_rcu_common(inline) -004|call_rcu(head = 0xFFFFFFC082EECC28, func = ?) -005|call_rcu_zapped(inline) -005|free_zapped_rcu(ch = ?)// hold graph lock -006|rcu_do_batch(rdp = 0xFFFFFF817F245680) -007|nocb_cb_wait(inline) -007|rcu_nocb_cb_kthread(arg = 0xFFFFFF817F245680) -008|kthread(_create = 0xFFFFFF80803122C0) -009|ret_from_fork(asm) rcuop/y -000|queued_spin_lock_slowpath(lock = 0xFFFFFFC08291BBC8, val = 0) -001|queued_spin_lock() -001|lockdep_lock() -001|graph_lock() // try to hold graph lock -002|lookup_chain_cache_add() -002|validate_chain() -003|lock_acquire -004|_raw_spin_lock_irqsave(lock = 0xFFFFFF817F211D80) -005|lock_timer_base(inline) -006|mod_timer(inline) -006|wake_nocb_gp_defer(inline)// hold nocb_gp_lock -006|__call_rcu_nocb_wake(rdp = 0xFFFFFF817F2A8680) -007|__call_rcu_common(inline) -007|call_rcu(head = 0xFFFFFFC0822E0B58, func = ?) -008|call_rcu_hurry(inline) -008|rcu_sync_call(inline) -008|rcu_sync_func(rhp = 0xFFFFFFC0822E0B58) -009|rcu_do_batch(rdp = 0xFFFFFF817F266680) -010|nocb_cb_wait(inline) -010|rcu_nocb_cb_kthread(arg = 0xFFFFFF817F266680) -011|kthread(_create = 0xFFFFFF8080363740) -012|ret_from_fork(asm) rcuop/x and rcuop/y are rcu nocb threads with the same nocb gp thread. This patch release the graph lock before lockdep call_rcu. Fixes: a0b0fd53e1e6 ("locking/lockdep: Free lock classes that are no longer in use") Cc: stable@vger.kernel.org Cc: Boqun Feng Cc: Waiman Long Cc: Carlos Llamas Cc: Bart Van Assche Signed-off-by: Zhiguo Niu Signed-off-by: Xuewen Yan Reviewed-by: Waiman Long Reviewed-by: Carlos Llamas Reviewed-by: Bart Van Assche Signed-off-by: Carlos Llamas Acked-by: Paul E. McKenney Signed-off-by: Boqun Feng Link: https://lore.kernel.org/r/20240620225436.3127927-1-cmllamas@google.com Signed-off-by: Greg Kroah-Hartman --- kernel/locking/lockdep.c | 50 ++++++++++++++++++++++++++-------------- 1 file changed, 33 insertions(+), 17 deletions(-) diff --git a/kernel/locking/lockdep.c b/kernel/locking/lockdep.c index 7471d85f54ae..b576dd00516b 100644 --- a/kernel/locking/lockdep.c +++ b/kernel/locking/lockdep.c @@ -5967,25 +5967,27 @@ static struct pending_free *get_pending_free(void) static void free_zapped_rcu(struct rcu_head *cb); /* - * Schedule an RCU callback if no RCU callback is pending. Must be called with - * the graph lock held. - */ -static void call_rcu_zapped(struct pending_free *pf) +* See if we need to queue an RCU callback, must called with +* the lockdep lock held, returns false if either we don't have +* any pending free or the callback is already scheduled. +* Otherwise, a call_rcu() must follow this function call. +*/ +static bool prepare_call_rcu_zapped(struct pending_free *pf) { WARN_ON_ONCE(inside_selftest()); if (list_empty(&pf->zapped)) - return; + return false; if (delayed_free.scheduled) - return; + return false; delayed_free.scheduled = true; WARN_ON_ONCE(delayed_free.pf + delayed_free.index != pf); delayed_free.index ^= 1; - call_rcu(&delayed_free.rcu_head, free_zapped_rcu); + return true; } /* The caller must hold the graph lock. May be called from RCU context. */ @@ -6011,6 +6013,7 @@ static void free_zapped_rcu(struct rcu_head *ch) { struct pending_free *pf; unsigned long flags; + bool need_callback; if (WARN_ON_ONCE(ch != &delayed_free.rcu_head)) return; @@ -6022,14 +6025,18 @@ static void free_zapped_rcu(struct rcu_head *ch) pf = delayed_free.pf + (delayed_free.index ^ 1); __free_zapped_classes(pf); delayed_free.scheduled = false; - - /* - * If there's anything on the open list, close and start a new callback. - */ - call_rcu_zapped(delayed_free.pf + delayed_free.index); - + need_callback = + prepare_call_rcu_zapped(delayed_free.pf + delayed_free.index); lockdep_unlock(); raw_local_irq_restore(flags); + + /* + * If there's pending free and its callback has not been scheduled, + * queue an RCU callback. + */ + if (need_callback) + call_rcu(&delayed_free.rcu_head, free_zapped_rcu); + } /* @@ -6069,6 +6076,7 @@ static void lockdep_free_key_range_reg(void *start, unsigned long size) { struct pending_free *pf; unsigned long flags; + bool need_callback; init_data_structures_once(); @@ -6076,10 +6084,11 @@ static void lockdep_free_key_range_reg(void *start, unsigned long size) lockdep_lock(); pf = get_pending_free(); __lockdep_free_key_range(pf, start, size); - call_rcu_zapped(pf); + need_callback = prepare_call_rcu_zapped(pf); lockdep_unlock(); raw_local_irq_restore(flags); - + if (need_callback) + call_rcu(&delayed_free.rcu_head, free_zapped_rcu); /* * Wait for any possible iterators from look_up_lock_class() to pass * before continuing to free the memory they refer to. @@ -6173,6 +6182,7 @@ static void lockdep_reset_lock_reg(struct lockdep_map *lock) struct pending_free *pf; unsigned long flags; int locked; + bool need_callback = false; raw_local_irq_save(flags); locked = graph_lock(); @@ -6181,11 +6191,13 @@ static void lockdep_reset_lock_reg(struct lockdep_map *lock) pf = get_pending_free(); __lockdep_reset_lock(pf, lock); - call_rcu_zapped(pf); + need_callback = prepare_call_rcu_zapped(pf); graph_unlock(); out_irq: raw_local_irq_restore(flags); + if (need_callback) + call_rcu(&delayed_free.rcu_head, free_zapped_rcu); } /* @@ -6229,6 +6241,7 @@ void lockdep_unregister_key(struct lock_class_key *key) struct pending_free *pf; unsigned long flags; bool found = false; + bool need_callback = false; might_sleep(); @@ -6249,11 +6262,14 @@ void lockdep_unregister_key(struct lock_class_key *key) if (found) { pf = get_pending_free(); __lockdep_free_key_range(pf, key, 1); - call_rcu_zapped(pf); + need_callback = prepare_call_rcu_zapped(pf); } lockdep_unlock(); raw_local_irq_restore(flags); + if (need_callback) + call_rcu(&delayed_free.rcu_head, free_zapped_rcu); + /* Wait until is_dynamic_key() has finished accessing k->hash_entry. */ synchronize_rcu(); } From 52f7cab2903959316c907441100adef85eba88a7 Mon Sep 17 00:00:00 2001 From: David Gow Date: Sat, 3 Aug 2024 15:46:41 +0800 Subject: [PATCH 261/649] mm: only enforce minimum stack gap size if it's sensible commit 69b50d4351ed924f29e3d46b159e28f70dfc707f upstream. The generic mmap_base code tries to leave a gap between the top of the stack and the mmap base address, but enforces a minimum gap size (MIN_GAP) of 128MB, which is too large on some setups. In particular, on arm tasks without ADDR_LIMIT_32BIT, the STACK_TOP value is less than 128MB, so it's impossible to fit such a gap in. Only enforce this minimum if MIN_GAP < MAX_GAP, as we'd prefer to honour MAX_GAP, which is defined proportionally, so scales better and always leaves us with both _some_ stack space and some room for mmap. This fixes the usercopy KUnit test suite on 32-bit arm, as it doesn't set any personality flags so gets the default (in this case 26-bit) task size. This test can be run with: ./tools/testing/kunit/kunit.py run --arch arm usercopy --make_options LLVM=1 Link: https://lkml.kernel.org/r/20240803074642.1849623-2-davidgow@google.com Fixes: dba79c3df4a2 ("arm: use generic mmap top-down layout and brk randomization") Signed-off-by: David Gow Reviewed-by: Kees Cook Cc: Alexandre Ghiti Cc: Linus Walleij Cc: Luis Chamberlain Cc: Mark Rutland Cc: Russell King Cc: Signed-off-by: Andrew Morton Signed-off-by: Greg Kroah-Hartman --- mm/util.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/mm/util.c b/mm/util.c index 7fd3c2bb3e4f..ad8f8c482d14 100644 --- a/mm/util.c +++ b/mm/util.c @@ -418,7 +418,7 @@ static unsigned long mmap_base(unsigned long rnd, struct rlimit *rlim_stack) if (gap + pad > gap) gap += pad; - if (gap < MIN_GAP) + if (gap < MIN_GAP && MIN_GAP < MAX_GAP) gap = MIN_GAP; else if (gap > MAX_GAP) gap = MAX_GAP; From 742a1b69c00350f80131bc6923f12454d1a09f67 Mon Sep 17 00:00:00 2001 From: Tommy Huang Date: Wed, 11 Sep 2024 17:39:51 +0800 Subject: [PATCH 262/649] i2c: aspeed: Update the stop sw state when the bus recovery occurs commit 93701d3b84ac5f3ea07259d4ced405c53d757985 upstream. When the i2c bus recovery occurs, driver will send i2c stop command in the scl low condition. In this case the sw state will still keep original situation. Under multi-master usage, i2c bus recovery will be called when i2c transfer timeout occurs. Update the stop command calling with aspeed_i2c_do_stop function to update master_state. Fixes: f327c686d3ba ("i2c: aspeed: added driver for Aspeed I2C") Cc: stable@vger.kernel.org # v4.13+ Signed-off-by: Tommy Huang Signed-off-by: Andi Shyti Signed-off-by: Greg Kroah-Hartman --- drivers/i2c/busses/i2c-aspeed.c | 16 ++++++++-------- 1 file changed, 8 insertions(+), 8 deletions(-) diff --git a/drivers/i2c/busses/i2c-aspeed.c b/drivers/i2c/busses/i2c-aspeed.c index b915dfcff00d..c2f86fc4c224 100644 --- a/drivers/i2c/busses/i2c-aspeed.c +++ b/drivers/i2c/busses/i2c-aspeed.c @@ -172,6 +172,13 @@ struct aspeed_i2c_bus { static int aspeed_i2c_reset(struct aspeed_i2c_bus *bus); +/* precondition: bus.lock has been acquired. */ +static void aspeed_i2c_do_stop(struct aspeed_i2c_bus *bus) +{ + bus->master_state = ASPEED_I2C_MASTER_STOP; + writel(ASPEED_I2CD_M_STOP_CMD, bus->base + ASPEED_I2C_CMD_REG); +} + static int aspeed_i2c_recover_bus(struct aspeed_i2c_bus *bus) { unsigned long time_left, flags; @@ -189,7 +196,7 @@ static int aspeed_i2c_recover_bus(struct aspeed_i2c_bus *bus) command); reinit_completion(&bus->cmd_complete); - writel(ASPEED_I2CD_M_STOP_CMD, bus->base + ASPEED_I2C_CMD_REG); + aspeed_i2c_do_stop(bus); spin_unlock_irqrestore(&bus->lock, flags); time_left = wait_for_completion_timeout( @@ -385,13 +392,6 @@ static void aspeed_i2c_do_start(struct aspeed_i2c_bus *bus) writel(command, bus->base + ASPEED_I2C_CMD_REG); } -/* precondition: bus.lock has been acquired. */ -static void aspeed_i2c_do_stop(struct aspeed_i2c_bus *bus) -{ - bus->master_state = ASPEED_I2C_MASTER_STOP; - writel(ASPEED_I2CD_M_STOP_CMD, bus->base + ASPEED_I2C_CMD_REG); -} - /* precondition: bus.lock has been acquired. */ static void aspeed_i2c_next_msg_or_stop(struct aspeed_i2c_bus *bus) { From 9f1c4edee8c8b086e7f3affd0d9a719d75ae360d Mon Sep 17 00:00:00 2001 From: Andy Shevchenko Date: Wed, 11 Sep 2024 18:39:14 +0300 Subject: [PATCH 263/649] i2c: isch: Add missed 'else' commit 1db4da55070d6a2754efeb3743f5312fc32f5961 upstream. In accordance with the existing comment and code analysis it is quite likely that there is a missed 'else' when adapter times out. Add it. Fixes: 5bc1200852c3 ("i2c: Add Intel SCH SMBus support") Signed-off-by: Andy Shevchenko Cc: # v2.6.27+ Signed-off-by: Andi Shyti Signed-off-by: Greg Kroah-Hartman --- drivers/i2c/busses/i2c-isch.c | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-) diff --git a/drivers/i2c/busses/i2c-isch.c b/drivers/i2c/busses/i2c-isch.c index 2dc7ada06ac5..d283e6bb1ff8 100644 --- a/drivers/i2c/busses/i2c-isch.c +++ b/drivers/i2c/busses/i2c-isch.c @@ -99,8 +99,7 @@ static int sch_transaction(void) if (retries > MAX_RETRIES) { dev_err(&sch_adapter.dev, "SMBus Timeout!\n"); result = -ETIMEDOUT; - } - if (temp & 0x04) { + } else if (temp & 0x04) { result = -EIO; dev_dbg(&sch_adapter.dev, "Bus collision! SMBus may be " "locked until next hard reset. (sorry!)\n"); From 767b71f2920780e4a2cbf8298f5cc58da875ba81 Mon Sep 17 00:00:00 2001 From: Harshit Mogalapalli Date: Mon, 18 Dec 2023 22:36:35 -0800 Subject: [PATCH 264/649] usb: yurex: Fix inconsistent locking bug in yurex_read() commit e7d3b9f28654dbfce7e09f8028210489adaf6a33 upstream. Unlock before returning on the error path. Fixes: 86b20af11e84 ("usb: yurex: Replace snprintf() with the safer scnprintf() variant") Reported-by: Dan Carpenter Reported-by: kernel test robot Closes: https://lore.kernel.org/r/202312170252.3udgrIcP-lkp@intel.com/ Signed-off-by: Harshit Mogalapalli Link: https://lore.kernel.org/r/20231219063639.450994-1-harshit.m.mogalapalli@oracle.com Signed-off-by: Greg Kroah-Hartman --- drivers/usb/misc/yurex.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/drivers/usb/misc/yurex.c b/drivers/usb/misc/yurex.c index 494db0178c1e..4eb30089dddf 100644 --- a/drivers/usb/misc/yurex.c +++ b/drivers/usb/misc/yurex.c @@ -412,8 +412,10 @@ static ssize_t yurex_read(struct file *file, char __user *buffer, size_t count, return -ENODEV; } - if (WARN_ON_ONCE(dev->bbu > S64_MAX || dev->bbu < S64_MIN)) + if (WARN_ON_ONCE(dev->bbu > S64_MAX || dev->bbu < S64_MIN)) { + mutex_unlock(&dev->io_mutex); return -EIO; + } spin_lock_irq(&dev->lock); scnprintf(in_buffer, MAX_S64_STRLEN, "%lld\n", dev->bbu); From 6b9a551b836e78986ce4c2e9867c6492e5936643 Mon Sep 17 00:00:00 2001 From: Christophe JAILLET Date: Fri, 5 Aug 2022 23:39:19 +0200 Subject: [PATCH 265/649] spi: lpspi: Simplify some error message commit 0df874c6712d9aa8f43c50ec887a21f7b86fc917 upstream. dev_err_probe() already prints the error code in a human readable way, so there is no need to duplicate it as a numerical value at the end of the message. Fixes: 12f62a857c83 ("spi: lpspi: Silence error message upon deferred probe") Signed-off-by: Christophe JAILLET Acked-By: Alexander Stein Link: https://lore.kernel.org/r/253543c462b765eca40ba54c66f4e3fdf4acdeb7.1659735546.git.christophe.jaillet@wanadoo.fr Signed-off-by: Mark Brown Signed-off-by: Greg Kroah-Hartman --- drivers/spi/spi-fsl-lpspi.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/spi/spi-fsl-lpspi.c b/drivers/spi/spi-fsl-lpspi.c index b6674fb6c1d6..8ab3105ae8c0 100644 --- a/drivers/spi/spi-fsl-lpspi.c +++ b/drivers/spi/spi-fsl-lpspi.c @@ -919,7 +919,7 @@ static int fsl_lpspi_probe(struct platform_device *pdev) ret = devm_spi_register_controller(&pdev->dev, controller); if (ret < 0) { - dev_err_probe(&pdev->dev, ret, "spi_register_controller error: %i\n", ret); + dev_err_probe(&pdev->dev, ret, "spi_register_controller error\n"); goto free_dma; } From 3948c73c9295708db4bd47c30f4991bbe6dc5901 Mon Sep 17 00:00:00 2001 From: Liao Chen Date: Wed, 14 Aug 2024 02:51:47 +0000 Subject: [PATCH 266/649] mailbox: rockchip: fix a typo in module autoloading [ Upstream commit e92d87c9c5d769e4cb1dd7c90faa38dddd7e52e3 ] MODULE_DEVICE_TABLE(of, rockchip_mbox_of_match) could let the module properly autoloaded based on the alias from of_device_id table. It should be 'rockchip_mbox_of_match' instead of 'rockchp_mbox_of_match', just fix it. Fixes: f70ed3b5dc8b ("mailbox: rockchip: Add Rockchip mailbox driver") Signed-off-by: Liao Chen Reviewed-by: Heiko Stuebner Signed-off-by: Jassi Brar Signed-off-by: Sasha Levin --- drivers/mailbox/rockchip-mailbox.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/mailbox/rockchip-mailbox.c b/drivers/mailbox/rockchip-mailbox.c index 979acc810f30..ca50f7f176f6 100644 --- a/drivers/mailbox/rockchip-mailbox.c +++ b/drivers/mailbox/rockchip-mailbox.c @@ -159,7 +159,7 @@ static const struct of_device_id rockchip_mbox_of_match[] = { { .compatible = "rockchip,rk3368-mailbox", .data = &rk3368_drv_data}, { }, }; -MODULE_DEVICE_TABLE(of, rockchp_mbox_of_match); +MODULE_DEVICE_TABLE(of, rockchip_mbox_of_match); static int rockchip_mbox_probe(struct platform_device *pdev) { From 32ee78823dea2d54adaf6e05f86622eba359e091 Mon Sep 17 00:00:00 2001 From: Stefan Wahren Date: Wed, 21 Aug 2024 23:40:44 +0200 Subject: [PATCH 267/649] mailbox: bcm2835: Fix timeout during suspend mode [ Upstream commit dc09f007caed3b2f6a3b6bd7e13777557ae22bfd ] During noirq suspend phase the Raspberry Pi power driver suffer of firmware property timeouts. The reason is that the IRQ of the underlying BCM2835 mailbox is disabled and rpi_firmware_property_list() will always run into a timeout [1]. Since the VideoCore side isn't consider as a wakeup source, set the IRQF_NO_SUSPEND flag for the mailbox IRQ in order to keep it enabled during suspend-resume cycle. [1] PM: late suspend of devices complete after 1.754 msecs WARNING: CPU: 0 PID: 438 at drivers/firmware/raspberrypi.c:128 rpi_firmware_property_list+0x204/0x22c Firmware transaction 0x00028001 timeout Modules linked in: CPU: 0 PID: 438 Comm: bash Tainted: G C 6.9.3-dirty #17 Hardware name: BCM2835 Call trace: unwind_backtrace from show_stack+0x18/0x1c show_stack from dump_stack_lvl+0x34/0x44 dump_stack_lvl from __warn+0x88/0xec __warn from warn_slowpath_fmt+0x7c/0xb0 warn_slowpath_fmt from rpi_firmware_property_list+0x204/0x22c rpi_firmware_property_list from rpi_firmware_property+0x68/0x8c rpi_firmware_property from rpi_firmware_set_power+0x54/0xc0 rpi_firmware_set_power from _genpd_power_off+0xe4/0x148 _genpd_power_off from genpd_sync_power_off+0x7c/0x11c genpd_sync_power_off from genpd_finish_suspend+0xcc/0xe0 genpd_finish_suspend from dpm_run_callback+0x78/0xd0 dpm_run_callback from device_suspend_noirq+0xc0/0x238 device_suspend_noirq from dpm_suspend_noirq+0xb0/0x168 dpm_suspend_noirq from suspend_devices_and_enter+0x1b8/0x5ac suspend_devices_and_enter from pm_suspend+0x254/0x2e4 pm_suspend from state_store+0xa8/0xd4 state_store from kernfs_fop_write_iter+0x154/0x1a0 kernfs_fop_write_iter from vfs_write+0x12c/0x184 vfs_write from ksys_write+0x78/0xc0 ksys_write from ret_fast_syscall+0x0/0x54 Exception stack(0xcc93dfa8 to 0xcc93dff0) [...] PM: noirq suspend of devices complete after 3095.584 msecs Link: https://github.com/raspberrypi/firmware/issues/1894 Fixes: 0bae6af6d704 ("mailbox: Enable BCM2835 mailbox support") Signed-off-by: Stefan Wahren Reviewed-by: Florian Fainelli Signed-off-by: Jassi Brar Signed-off-by: Sasha Levin --- drivers/mailbox/bcm2835-mailbox.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/drivers/mailbox/bcm2835-mailbox.c b/drivers/mailbox/bcm2835-mailbox.c index 39761d190545..5c33c01a9d26 100644 --- a/drivers/mailbox/bcm2835-mailbox.c +++ b/drivers/mailbox/bcm2835-mailbox.c @@ -146,7 +146,8 @@ static int bcm2835_mbox_probe(struct platform_device *pdev) spin_lock_init(&mbox->lock); ret = devm_request_irq(dev, irq_of_parse_and_map(dev->of_node, 0), - bcm2835_mbox_irq, 0, dev_name(dev), mbox); + bcm2835_mbox_irq, IRQF_NO_SUSPEND, dev_name(dev), + mbox); if (ret) { dev_err(dev, "Failed to register a mailbox IRQ handler: %d\n", ret); From f55e003d261baa7c57d51ae5c8ec1f5c26a35c89 Mon Sep 17 00:00:00 2001 From: Xiubo Li Date: Thu, 5 Sep 2024 06:22:18 +0800 Subject: [PATCH 268/649] ceph: remove the incorrect Fw reference check when dirtying pages [ Upstream commit c08dfb1b49492c09cf13838c71897493ea3b424e ] When doing the direct-io reads it will also try to mark pages dirty, but for the read path it won't hold the Fw caps and there is case will it get the Fw reference. Fixes: 5dda377cf0a6 ("ceph: set i_head_snapc when getting CEPH_CAP_FILE_WR reference") Signed-off-by: Xiubo Li Reviewed-by: Patrick Donnelly Signed-off-by: Ilya Dryomov Signed-off-by: Sasha Levin --- fs/ceph/addr.c | 1 - 1 file changed, 1 deletion(-) diff --git a/fs/ceph/addr.c b/fs/ceph/addr.c index 3465ff95cb89..2362f2591f4a 100644 --- a/fs/ceph/addr.c +++ b/fs/ceph/addr.c @@ -91,7 +91,6 @@ static int ceph_set_page_dirty(struct page *page) /* dirty the head */ spin_lock(&ci->i_ceph_lock); - BUG_ON(ci->i_wr_ref == 0); // caller should hold Fw reference if (__ceph_have_pending_cap_snap(ci)) { struct ceph_cap_snap *capsnap = list_last_entry(&ci->i_cap_snaps, From fd7fcd802edb210a08d4eabe69b53712799d7072 Mon Sep 17 00:00:00 2001 From: Jinjie Ruan Date: Mon, 9 Sep 2024 21:17:40 +0800 Subject: [PATCH 269/649] ieee802154: Fix build error [ Upstream commit addf89774e48c992316449ffab4f29c2309ebefb ] If REGMAP_SPI is m and IEEE802154_MCR20A is y, mcr20a.c:(.text+0x3ed6c5b): undefined reference to `__devm_regmap_init_spi' ld: mcr20a.c:(.text+0x3ed6cb5): undefined reference to `__devm_regmap_init_spi' Select REGMAP_SPI for IEEE802154_MCR20A to fix it. Fixes: 8c6ad9cc5157 ("ieee802154: Add NXP MCR20A IEEE 802.15.4 transceiver driver") Signed-off-by: Jinjie Ruan Link: https://lore.kernel.org/20240909131740.1296608-1-ruanjinjie@huawei.com Signed-off-by: Stefan Schmidt Signed-off-by: Sasha Levin --- drivers/net/ieee802154/Kconfig | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/net/ieee802154/Kconfig b/drivers/net/ieee802154/Kconfig index 0f7c6dc2ed15..26f393a0507c 100644 --- a/drivers/net/ieee802154/Kconfig +++ b/drivers/net/ieee802154/Kconfig @@ -108,6 +108,7 @@ config IEEE802154_CA8210_DEBUGFS config IEEE802154_MCR20A tristate "MCR20A transceiver driver" + select REGMAP_SPI depends on IEEE802154_DRIVERS && MAC802154 depends on SPI help From 181fbbdd46c035328ce0e394e90d0c227c8127be Mon Sep 17 00:00:00 2001 From: Phil Sutter Date: Wed, 25 Sep 2024 20:01:20 +0200 Subject: [PATCH 270/649] netfilter: uapi: NFTA_FLOWTABLE_HOOK is NLA_NESTED [ Upstream commit 76f1ed087b562a469f2153076f179854b749c09a ] Fix the comment which incorrectly defines it as NLA_U32. Fixes: 3b49e2e94e6e ("netfilter: nf_tables: add flow table netlink frontend") Signed-off-by: Phil Sutter Signed-off-by: Pablo Neira Ayuso Signed-off-by: Sasha Levin --- include/uapi/linux/netfilter/nf_tables.h | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/include/uapi/linux/netfilter/nf_tables.h b/include/uapi/linux/netfilter/nf_tables.h index 40d900537093..702bcb7c9c73 100644 --- a/include/uapi/linux/netfilter/nf_tables.h +++ b/include/uapi/linux/netfilter/nf_tables.h @@ -1602,7 +1602,7 @@ enum nft_flowtable_flags { * * @NFTA_FLOWTABLE_TABLE: name of the table containing the expression (NLA_STRING) * @NFTA_FLOWTABLE_NAME: name of this flow table (NLA_STRING) - * @NFTA_FLOWTABLE_HOOK: netfilter hook configuration(NLA_U32) + * @NFTA_FLOWTABLE_HOOK: netfilter hook configuration (NLA_NESTED) * @NFTA_FLOWTABLE_USE: number of references to this flow table (NLA_U32) * @NFTA_FLOWTABLE_HANDLE: object handle (NLA_U64) * @NFTA_FLOWTABLE_FLAGS: flags (NLA_U32) From ca36d6c1a49b6965c86dd528a73f38bc62d9c625 Mon Sep 17 00:00:00 2001 From: Gerd Bayer Date: Tue, 10 Sep 2024 10:53:51 +0200 Subject: [PATCH 271/649] net/mlx5: Fix error path in multi-packet WQE transmit [ Upstream commit 2bcae12c795f32ddfbf8c80d1b5f1d3286341c32 ] Remove the erroneous unmap in case no DMA mapping was established The multi-packet WQE transmit code attempts to obtain a DMA mapping for the skb. This could fail, e.g. under memory pressure, when the IOMMU driver just can't allocate more memory for page tables. While the code tries to handle this in the path below the err_unmap label it erroneously unmaps one entry from the sq's FIFO list of active mappings. Since the current map attempt failed this unmap is removing some random DMA mapping that might still be required. If the PCI function now presents that IOVA, the IOMMU may assumes a rogue DMA access and e.g. on s390 puts the PCI function in error state. The erroneous behavior was seen in a stress-test environment that created memory pressure. Fixes: 5af75c747e2a ("net/mlx5e: Enhanced TX MPWQE for SKBs") Signed-off-by: Gerd Bayer Reviewed-by: Zhu Yanjun Acked-by: Maxim Mikityanskiy Signed-off-by: Saeed Mahameed Signed-off-by: Sasha Levin --- drivers/net/ethernet/mellanox/mlx5/core/en_tx.c | 1 - 1 file changed, 1 deletion(-) diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_tx.c b/drivers/net/ethernet/mellanox/mlx5/core/en_tx.c index 373668068071..9b1e43ff8ae1 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/en_tx.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/en_tx.c @@ -601,7 +601,6 @@ mlx5e_sq_xmit_mpwqe(struct mlx5e_txqsq *sq, struct sk_buff *skb, return; err_unmap: - mlx5e_dma_unmap_wqe_err(sq, 1); sq->stats->dropped++; dev_kfree_skb_any(skb); } From 7675fe977be52dd06c695e3370ddd222553e9437 Mon Sep 17 00:00:00 2001 From: Jinjie Ruan Date: Wed, 11 Sep 2024 17:42:34 +0800 Subject: [PATCH 272/649] net: ieee802154: mcr20a: Use IRQF_NO_AUTOEN flag in request_irq() [ Upstream commit 09573b1cc76e7ff8f056ab29ea1cdc152ec8c653 ] disable_irq() after request_irq() still has a time gap in which interrupts can come. request_irq() with IRQF_NO_AUTOEN flag will disable IRQ auto-enable when request IRQ. Fixes: 8c6ad9cc5157 ("ieee802154: Add NXP MCR20A IEEE 802.15.4 transceiver driver") Reviewed-by: Miquel Raynal Signed-off-by: Jinjie Ruan Link: https://lore.kernel.org/20240911094234.1922418-1-ruanjinjie@huawei.com Signed-off-by: Stefan Schmidt Signed-off-by: Sasha Levin --- drivers/net/ieee802154/mcr20a.c | 5 +---- 1 file changed, 1 insertion(+), 4 deletions(-) diff --git a/drivers/net/ieee802154/mcr20a.c b/drivers/net/ieee802154/mcr20a.c index 383231b85464..16474990dc01 100644 --- a/drivers/net/ieee802154/mcr20a.c +++ b/drivers/net/ieee802154/mcr20a.c @@ -1311,16 +1311,13 @@ mcr20a_probe(struct spi_device *spi) irq_type = IRQF_TRIGGER_FALLING; ret = devm_request_irq(&spi->dev, spi->irq, mcr20a_irq_isr, - irq_type, dev_name(&spi->dev), lp); + irq_type | IRQF_NO_AUTOEN, dev_name(&spi->dev), lp); if (ret) { dev_err(&spi->dev, "could not request_irq for mcr20a\n"); ret = -ENODEV; goto free_dev; } - /* disable_irq by default and wait for starting hardware */ - disable_irq(spi->irq); - ret = ieee802154_register_hw(hw); if (ret) { dev_crit(&spi->dev, "ieee802154_register_hw failed\n"); From cdd86fb75f1f5f2af85c076af871266d2ff550a3 Mon Sep 17 00:00:00 2001 From: Mohamed Khalfella Date: Wed, 4 Sep 2024 22:02:48 -0600 Subject: [PATCH 273/649] net/mlx5: Added cond_resched() to crdump collection [ Upstream commit ec793155894140df7421d25903de2e6bc12c695b ] Collecting crdump involves reading vsc registers from pci config space of mlx device, which can take long time to complete. This might result in starving other threads waiting to run on the cpu. Numbers I got from testing ConnectX-5 Ex MCX516A-CDAT in the lab: - mlx5_vsc_gw_read_block_fast() was called with length = 1310716. - mlx5_vsc_gw_read_fast() reads 4 bytes at a time. It was not used to read the entire 1310716 bytes. It was called 53813 times because there are jumps in read_addr. - On average mlx5_vsc_gw_read_fast() took 35284.4ns. - In total mlx5_vsc_wait_on_flag() called vsc_read() 54707 times. The average time for each call was 17548.3ns. In some instances vsc_read() was called more than one time when the flag was not set. As expected the thread released the cpu after 16 iterations in mlx5_vsc_wait_on_flag(). - Total time to read crdump was 35284.4ns * 53813 ~= 1.898s. It was seen in the field that crdump can take more than 5 seconds to complete. During that time mlx5_vsc_wait_on_flag() did not release the cpu because it did not complete 16 iterations. It is believed that pci config reads were slow. Adding cond_resched() every 128 register read improves the situation. In the common case the, crdump takes ~1.8989s, the thread yields the cpu every ~4.51ms. If crdump takes ~5s, the thread yields the cpu every ~18.0ms. Fixes: 8b9d8baae1de ("net/mlx5: Add Crdump support") Reviewed-by: Yuanyuan Zhong Signed-off-by: Mohamed Khalfella Reviewed-by: Moshe Shemesh Signed-off-by: Saeed Mahameed Signed-off-by: Sasha Levin --- drivers/net/ethernet/mellanox/mlx5/core/lib/pci_vsc.c | 10 ++++++++++ 1 file changed, 10 insertions(+) diff --git a/drivers/net/ethernet/mellanox/mlx5/core/lib/pci_vsc.c b/drivers/net/ethernet/mellanox/mlx5/core/lib/pci_vsc.c index 6b774e0c2766..c14f9529c25f 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/lib/pci_vsc.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/lib/pci_vsc.c @@ -24,6 +24,11 @@ pci_write_config_dword((dev)->pdev, (dev)->vsc_addr + (offset), (val)) #define VSC_MAX_RETRIES 2048 +/* Reading VSC registers can take relatively long time. + * Yield the cpu every 128 registers read. + */ +#define VSC_GW_READ_BLOCK_COUNT 128 + enum { VSC_CTRL_OFFSET = 0x4, VSC_COUNTER_OFFSET = 0x8, @@ -269,6 +274,7 @@ int mlx5_vsc_gw_read_block_fast(struct mlx5_core_dev *dev, u32 *data, { unsigned int next_read_addr = 0; unsigned int read_addr = 0; + unsigned int count = 0; while (read_addr < length) { if (mlx5_vsc_gw_read_fast(dev, read_addr, &next_read_addr, @@ -276,6 +282,10 @@ int mlx5_vsc_gw_read_block_fast(struct mlx5_core_dev *dev, u32 *data, return read_addr; read_addr = next_read_addr; + if (++count == VSC_GW_READ_BLOCK_COUNT) { + cond_resched(); + count = 0; + } } return length; } From 531754952f5dfc4b141523088147071d6e6112c4 Mon Sep 17 00:00:00 2001 From: Eric Dumazet Date: Thu, 26 Sep 2024 18:56:11 +0000 Subject: [PATCH 274/649] netfilter: nf_tables: prevent nf_skb_duplicated corruption [ Upstream commit 92ceba94de6fb4cee2bf40b485979c342f44a492 ] syzbot found that nf_dup_ipv4() or nf_dup_ipv6() could write per-cpu variable nf_skb_duplicated in an unsafe way [1]. Disabling preemption as hinted by the splat is not enough, we have to disable soft interrupts as well. [1] BUG: using __this_cpu_write() in preemptible [00000000] code: syz.4.282/6316 caller is nf_dup_ipv4+0x651/0x8f0 net/ipv4/netfilter/nf_dup_ipv4.c:87 CPU: 0 UID: 0 PID: 6316 Comm: syz.4.282 Not tainted 6.11.0-rc7-syzkaller-00104-g7052622fccb1 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/06/2024 Call Trace: __dump_stack lib/dump_stack.c:93 [inline] dump_stack_lvl+0x241/0x360 lib/dump_stack.c:119 check_preemption_disabled+0x10e/0x120 lib/smp_processor_id.c:49 nf_dup_ipv4+0x651/0x8f0 net/ipv4/netfilter/nf_dup_ipv4.c:87 nft_dup_ipv4_eval+0x1db/0x300 net/ipv4/netfilter/nft_dup_ipv4.c:30 expr_call_ops_eval net/netfilter/nf_tables_core.c:240 [inline] nft_do_chain+0x4ad/0x1da0 net/netfilter/nf_tables_core.c:288 nft_do_chain_ipv4+0x202/0x320 net/netfilter/nft_chain_filter.c:23 nf_hook_entry_hookfn include/linux/netfilter.h:154 [inline] nf_hook_slow+0xc3/0x220 net/netfilter/core.c:626 nf_hook+0x2c4/0x450 include/linux/netfilter.h:269 NF_HOOK_COND include/linux/netfilter.h:302 [inline] ip_output+0x185/0x230 net/ipv4/ip_output.c:433 ip_local_out net/ipv4/ip_output.c:129 [inline] ip_send_skb+0x74/0x100 net/ipv4/ip_output.c:1495 udp_send_skb+0xacf/0x1650 net/ipv4/udp.c:981 udp_sendmsg+0x1c21/0x2a60 net/ipv4/udp.c:1269 sock_sendmsg_nosec net/socket.c:730 [inline] __sock_sendmsg+0x1a6/0x270 net/socket.c:745 ____sys_sendmsg+0x525/0x7d0 net/socket.c:2597 ___sys_sendmsg net/socket.c:2651 [inline] __sys_sendmmsg+0x3b2/0x740 net/socket.c:2737 __do_sys_sendmmsg net/socket.c:2766 [inline] __se_sys_sendmmsg net/socket.c:2763 [inline] __x64_sys_sendmmsg+0xa0/0xb0 net/socket.c:2763 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f4ce4f7def9 Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007f4ce5d4a038 EFLAGS: 00000246 ORIG_RAX: 0000000000000133 RAX: ffffffffffffffda RBX: 00007f4ce5135f80 RCX: 00007f4ce4f7def9 RDX: 0000000000000001 RSI: 0000000020005d40 RDI: 0000000000000006 RBP: 00007f4ce4ff0b76 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 0000000000000000 R14: 00007f4ce5135f80 R15: 00007ffd4cbc6d68 Fixes: d877f07112f1 ("netfilter: nf_tables: add nft_dup expression") Reported-by: syzbot Signed-off-by: Eric Dumazet Signed-off-by: Pablo Neira Ayuso Signed-off-by: Sasha Levin --- net/ipv4/netfilter/nf_dup_ipv4.c | 7 +++++-- net/ipv6/netfilter/nf_dup_ipv6.c | 7 +++++-- 2 files changed, 10 insertions(+), 4 deletions(-) diff --git a/net/ipv4/netfilter/nf_dup_ipv4.c b/net/ipv4/netfilter/nf_dup_ipv4.c index 6cc5743c553a..9a21175693db 100644 --- a/net/ipv4/netfilter/nf_dup_ipv4.c +++ b/net/ipv4/netfilter/nf_dup_ipv4.c @@ -52,8 +52,9 @@ void nf_dup_ipv4(struct net *net, struct sk_buff *skb, unsigned int hooknum, { struct iphdr *iph; + local_bh_disable(); if (this_cpu_read(nf_skb_duplicated)) - return; + goto out; /* * Copy the skb, and route the copy. Will later return %XT_CONTINUE for * the original skb, which should continue on its way as if nothing has @@ -61,7 +62,7 @@ void nf_dup_ipv4(struct net *net, struct sk_buff *skb, unsigned int hooknum, */ skb = pskb_copy(skb, GFP_ATOMIC); if (skb == NULL) - return; + goto out; #if IS_ENABLED(CONFIG_NF_CONNTRACK) /* Avoid counting cloned packets towards the original connection. */ @@ -90,6 +91,8 @@ void nf_dup_ipv4(struct net *net, struct sk_buff *skb, unsigned int hooknum, } else { kfree_skb(skb); } +out: + local_bh_enable(); } EXPORT_SYMBOL_GPL(nf_dup_ipv4); diff --git a/net/ipv6/netfilter/nf_dup_ipv6.c b/net/ipv6/netfilter/nf_dup_ipv6.c index a0a2de30be3e..0c39c77fe8a8 100644 --- a/net/ipv6/netfilter/nf_dup_ipv6.c +++ b/net/ipv6/netfilter/nf_dup_ipv6.c @@ -47,11 +47,12 @@ static bool nf_dup_ipv6_route(struct net *net, struct sk_buff *skb, void nf_dup_ipv6(struct net *net, struct sk_buff *skb, unsigned int hooknum, const struct in6_addr *gw, int oif) { + local_bh_disable(); if (this_cpu_read(nf_skb_duplicated)) - return; + goto out; skb = pskb_copy(skb, GFP_ATOMIC); if (skb == NULL) - return; + goto out; #if IS_ENABLED(CONFIG_NF_CONNTRACK) nf_reset_ct(skb); @@ -69,6 +70,8 @@ void nf_dup_ipv6(struct net *net, struct sk_buff *skb, unsigned int hooknum, } else { kfree_skb(skb); } +out: + local_bh_enable(); } EXPORT_SYMBOL_GPL(nf_dup_ipv6); From c8bb4e2d5fae55f0f52de48c3f437d6e03da7741 Mon Sep 17 00:00:00 2001 From: Jinjie Ruan Date: Thu, 12 Sep 2024 11:12:04 +0800 Subject: [PATCH 275/649] Bluetooth: btmrvl: Use IRQF_NO_AUTOEN flag in request_irq() [ Upstream commit 7b1ab460592ca818e7b52f27cd3ec86af79220d1 ] disable_irq() after request_irq() still has a time gap in which interrupts can come. request_irq() with IRQF_NO_AUTOEN flag will disable IRQ auto-enable when request IRQ. Fixes: bb7f4f0bcee6 ("btmrvl: add platform specific wakeup interrupt support") Signed-off-by: Jinjie Ruan Signed-off-by: Luiz Augusto von Dentz Signed-off-by: Sasha Levin --- drivers/bluetooth/btmrvl_sdio.c | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-) diff --git a/drivers/bluetooth/btmrvl_sdio.c b/drivers/bluetooth/btmrvl_sdio.c index 33d58b30c5ac..6e40a984ba7b 100644 --- a/drivers/bluetooth/btmrvl_sdio.c +++ b/drivers/bluetooth/btmrvl_sdio.c @@ -105,7 +105,7 @@ static int btmrvl_sdio_probe_of(struct device *dev, } else { ret = devm_request_irq(dev, cfg->irq_bt, btmrvl_wake_irq_bt, - 0, "bt_wake", card); + IRQF_NO_AUTOEN, "bt_wake", card); if (ret) { dev_err(dev, "Failed to request irq_bt %d (%d)\n", @@ -114,7 +114,6 @@ static int btmrvl_sdio_probe_of(struct device *dev, /* Configure wakeup (enabled by default) */ device_init_wakeup(dev, true); - disable_irq(cfg->irq_bt); } } From 185df159843d30fb71f821e7ea4368c2a3bfcd36 Mon Sep 17 00:00:00 2001 From: Aleksander Jan Bajkowski Date: Mon, 23 Sep 2024 23:49:49 +0200 Subject: [PATCH 276/649] net: ethernet: lantiq_etop: fix memory disclosure [ Upstream commit 45c0de18ff2dc9af01236380404bbd6a46502c69 ] When applying padding, the buffer is not zeroed, which results in memory disclosure. The mentioned data is observed on the wire. This patch uses skb_put_padto() to pad Ethernet frames properly. The mentioned function zeroes the expanded buffer. In case the packet cannot be padded it is silently dropped. Statistics are also not incremented. This driver does not support statistics in the old 32-bit format or the new 64-bit format. These will be added in the future. In its current form, the patch should be easily backported to stable versions. Ethernet MACs on Amazon-SE and Danube cannot do padding of the packets in hardware, so software padding must be applied. Fixes: 504d4721ee8e ("MIPS: Lantiq: Add ethernet driver") Signed-off-by: Aleksander Jan Bajkowski Reviewed-by: Jacob Keller Reviewed-by: Florian Fainelli Link: https://patch.msgid.link/20240923214949.231511-2-olek2@wp.pl Signed-off-by: Paolo Abeni Signed-off-by: Sasha Levin --- drivers/net/ethernet/lantiq_etop.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/drivers/net/ethernet/lantiq_etop.c b/drivers/net/ethernet/lantiq_etop.c index 1d7c0b872c59..45155023a298 100644 --- a/drivers/net/ethernet/lantiq_etop.c +++ b/drivers/net/ethernet/lantiq_etop.c @@ -464,7 +464,9 @@ ltq_etop_tx(struct sk_buff *skb, struct net_device *dev) unsigned long flags; u32 byte_offset; - len = skb->len < ETH_ZLEN ? ETH_ZLEN : skb->len; + if (skb_put_padto(skb, ETH_ZLEN)) + return NETDEV_TX_OK; + len = skb->len; if ((desc->ctl & (LTQ_DMA_OWN | LTQ_DMA_C)) || ch->skb[ch->dma.desc]) { netdev_err(dev, "tx ring full\n"); From ba26060a29d3ca1bfc737aa79f7125128f35147c Mon Sep 17 00:00:00 2001 From: Eric Dumazet Date: Tue, 24 Sep 2024 15:02:56 +0000 Subject: [PATCH 277/649] net: avoid potential underflow in qdisc_pkt_len_init() with UFO [ Upstream commit c20029db28399ecc50e556964eaba75c43b1e2f1 ] After commit 7c6d2ecbda83 ("net: be more gentle about silly gso requests coming from user") virtio_net_hdr_to_skb() had sanity check to detect malicious attempts from user space to cook a bad GSO packet. Then commit cf9acc90c80ec ("net: virtio_net_hdr_to_skb: count transport header in UFO") while fixing one issue, allowed user space to cook a GSO packet with the following characteristic : IPv4 SKB_GSO_UDP, gso_size=3, skb->len = 28. When this packet arrives in qdisc_pkt_len_init(), we end up with hdr_len = 28 (IPv4 header + UDP header), matching skb->len Then the following sets gso_segs to 0 : gso_segs = DIV_ROUND_UP(skb->len - hdr_len, shinfo->gso_size); Then later we set qdisc_skb_cb(skb)->pkt_len to back to zero :/ qdisc_skb_cb(skb)->pkt_len += (gso_segs - 1) * hdr_len; This leads to the following crash in fq_codel [1] qdisc_pkt_len_init() is best effort, we only want an estimation of the bytes sent on the wire, not crashing the kernel. This patch is fixing this particular issue, a following one adds more sanity checks for another potential bug. [1] [ 70.724101] BUG: kernel NULL pointer dereference, address: 0000000000000000 [ 70.724561] #PF: supervisor read access in kernel mode [ 70.724561] #PF: error_code(0x0000) - not-present page [ 70.724561] PGD 10ac61067 P4D 10ac61067 PUD 107ee2067 PMD 0 [ 70.724561] Oops: Oops: 0000 [#1] SMP NOPTI [ 70.724561] CPU: 11 UID: 0 PID: 2163 Comm: b358537762 Not tainted 6.11.0-virtme #991 [ 70.724561] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 70.724561] RIP: 0010:fq_codel_enqueue (net/sched/sch_fq_codel.c:120 net/sched/sch_fq_codel.c:168 net/sched/sch_fq_codel.c:230) sch_fq_codel [ 70.724561] Code: 24 08 49 c1 e1 06 44 89 7c 24 18 45 31 ed 45 31 c0 31 ff 89 44 24 14 4c 03 8b 90 01 00 00 eb 04 39 ca 73 37 4d 8b 39 83 c7 01 <49> 8b 17 49 89 11 41 8b 57 28 45 8b 5f 34 49 c7 07 00 00 00 00 49 All code ======== 0: 24 08 and $0x8,%al 2: 49 c1 e1 06 shl $0x6,%r9 6: 44 89 7c 24 18 mov %r15d,0x18(%rsp) b: 45 31 ed xor %r13d,%r13d e: 45 31 c0 xor %r8d,%r8d 11: 31 ff xor %edi,%edi 13: 89 44 24 14 mov %eax,0x14(%rsp) 17: 4c 03 8b 90 01 00 00 add 0x190(%rbx),%r9 1e: eb 04 jmp 0x24 20: 39 ca cmp %ecx,%edx 22: 73 37 jae 0x5b 24: 4d 8b 39 mov (%r9),%r15 27: 83 c7 01 add $0x1,%edi 2a:* 49 8b 17 mov (%r15),%rdx <-- trapping instruction 2d: 49 89 11 mov %rdx,(%r9) 30: 41 8b 57 28 mov 0x28(%r15),%edx 34: 45 8b 5f 34 mov 0x34(%r15),%r11d 38: 49 c7 07 00 00 00 00 movq $0x0,(%r15) 3f: 49 rex.WB Code starting with the faulting instruction =========================================== 0: 49 8b 17 mov (%r15),%rdx 3: 49 89 11 mov %rdx,(%r9) 6: 41 8b 57 28 mov 0x28(%r15),%edx a: 45 8b 5f 34 mov 0x34(%r15),%r11d e: 49 c7 07 00 00 00 00 movq $0x0,(%r15) 15: 49 rex.WB [ 70.724561] RSP: 0018:ffff95ae85e6fb90 EFLAGS: 00000202 [ 70.724561] RAX: 0000000002000000 RBX: ffff95ae841de000 RCX: 0000000000000000 [ 70.724561] RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000001 [ 70.724561] RBP: ffff95ae85e6fbf8 R08: 0000000000000000 R09: ffff95b710a30000 [ 70.724561] R10: 0000000000000000 R11: bdf289445ce31881 R12: ffff95ae85e6fc58 [ 70.724561] R13: 0000000000000000 R14: 0000000000000040 R15: 0000000000000000 [ 70.724561] FS: 000000002c5c1380(0000) GS:ffff95bd7fcc0000(0000) knlGS:0000000000000000 [ 70.724561] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 70.724561] CR2: 0000000000000000 CR3: 000000010c568000 CR4: 00000000000006f0 [ 70.724561] Call Trace: [ 70.724561] [ 70.724561] ? __die (arch/x86/kernel/dumpstack.c:421 arch/x86/kernel/dumpstack.c:434) [ 70.724561] ? page_fault_oops (arch/x86/mm/fault.c:715) [ 70.724561] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:87 ./arch/x86/include/asm/irqflags.h:147 arch/x86/mm/fault.c:1489 arch/x86/mm/fault.c:1539) [ 70.724561] ? asm_exc_page_fault (./arch/x86/include/asm/idtentry.h:623) [ 70.724561] ? fq_codel_enqueue (net/sched/sch_fq_codel.c:120 net/sched/sch_fq_codel.c:168 net/sched/sch_fq_codel.c:230) sch_fq_codel [ 70.724561] dev_qdisc_enqueue (net/core/dev.c:3784) [ 70.724561] __dev_queue_xmit (net/core/dev.c:3880 (discriminator 2) net/core/dev.c:4390 (discriminator 2)) [ 70.724561] ? irqentry_enter (kernel/entry/common.c:237) [ 70.724561] ? sysvec_apic_timer_interrupt (./arch/x86/include/asm/hardirq.h:74 (discriminator 2) arch/x86/kernel/apic/apic.c:1043 (discriminator 2) arch/x86/kernel/apic/apic.c:1043 (discriminator 2)) [ 70.724561] ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:58 (discriminator 4)) [ 70.724561] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) [ 70.724561] ? virtio_net_hdr_to_skb.constprop.0 (./include/linux/virtio_net.h:129 (discriminator 1)) [ 70.724561] packet_sendmsg (net/packet/af_packet.c:3145 (discriminator 1) net/packet/af_packet.c:3177 (discriminator 1)) [ 70.724561] ? _raw_spin_lock_bh (./arch/x86/include/asm/atomic.h:107 (discriminator 4) ./include/linux/atomic/atomic-arch-fallback.h:2170 (discriminator 4) ./include/linux/atomic/atomic-instrumented.h:1302 (discriminator 4) ./include/asm-generic/qspinlock.h:111 (discriminator 4) ./include/linux/spinlock.h:187 (discriminator 4) ./include/linux/spinlock_api_smp.h:127 (discriminator 4) kernel/locking/spinlock.c:178 (discriminator 4)) [ 70.724561] ? netdev_name_node_lookup_rcu (net/core/dev.c:325 (discriminator 1)) [ 70.724561] __sys_sendto (net/socket.c:730 (discriminator 1) net/socket.c:745 (discriminator 1) net/socket.c:2210 (discriminator 1)) [ 70.724561] ? __sys_setsockopt (./include/linux/file.h:34 net/socket.c:2355) [ 70.724561] __x64_sys_sendto (net/socket.c:2222 (discriminator 1) net/socket.c:2218 (discriminator 1) net/socket.c:2218 (discriminator 1)) [ 70.724561] do_syscall_64 (arch/x86/entry/common.c:52 (discriminator 1) arch/x86/entry/common.c:83 (discriminator 1)) [ 70.724561] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 70.724561] RIP: 0033:0x41ae09 Fixes: cf9acc90c80ec ("net: virtio_net_hdr_to_skb: count transport header in UFO") Reported-by: syzbot Signed-off-by: Eric Dumazet Cc: Jonathan Davies Reviewed-by: Willem de Bruijn Reviewed-by: Jonathan Davies Reviewed-by: David Ahern Signed-off-by: Paolo Abeni Signed-off-by: Sasha Levin --- net/core/dev.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/net/core/dev.c b/net/core/dev.c index 5e91496fd3a3..0da9ca0a4230 100644 --- a/net/core/dev.c +++ b/net/core/dev.c @@ -3759,7 +3759,7 @@ static void qdisc_pkt_len_init(struct sk_buff *skb) sizeof(_tcphdr), &_tcphdr); if (likely(th)) hdr_len += __tcp_hdrlen(th); - } else { + } else if (shinfo->gso_type & SKB_GSO_UDP_L4) { struct udphdr _udphdr; if (skb_header_pointer(skb, skb_transport_offset(skb), From 566a931a1436d0e0ad13708ea55479b95426213c Mon Sep 17 00:00:00 2001 From: Eric Dumazet Date: Tue, 24 Sep 2024 15:02:57 +0000 Subject: [PATCH 278/649] net: add more sanity checks to qdisc_pkt_len_init() [ Upstream commit ab9a9a9e9647392a19e7a885b08000e89c86b535 ] One path takes care of SKB_GSO_DODGY, assuming skb->len is bigger than hdr_len. virtio_net_hdr_to_skb() does not fully dissect TCP headers, it only make sure it is at least 20 bytes. It is possible for an user to provide a malicious 'GSO' packet, total length of 80 bytes. - 20 bytes of IPv4 header - 60 bytes TCP header - a small gso_size like 8 virtio_net_hdr_to_skb() would declare this packet as a normal GSO packet, because it would see 40 bytes of payload, bigger than gso_size. We need to make detect this case to not underflow qdisc_skb_cb(skb)->pkt_len. Fixes: 1def9238d4aa ("net_sched: more precise pkt_len computation") Signed-off-by: Eric Dumazet Reviewed-by: Willem de Bruijn Reviewed-by: David Ahern Signed-off-by: Paolo Abeni Signed-off-by: Sasha Levin --- net/core/dev.c | 10 +++++++--- 1 file changed, 7 insertions(+), 3 deletions(-) diff --git a/net/core/dev.c b/net/core/dev.c index 0da9ca0a4230..5edab9328d5e 100644 --- a/net/core/dev.c +++ b/net/core/dev.c @@ -3767,10 +3767,14 @@ static void qdisc_pkt_len_init(struct sk_buff *skb) hdr_len += sizeof(struct udphdr); } - if (shinfo->gso_type & SKB_GSO_DODGY) - gso_segs = DIV_ROUND_UP(skb->len - hdr_len, - shinfo->gso_size); + if (unlikely(shinfo->gso_type & SKB_GSO_DODGY)) { + int payload = skb->len - hdr_len; + /* Malicious packet. */ + if (payload <= 0) + return; + gso_segs = DIV_ROUND_UP(payload, shinfo->gso_size); + } qdisc_skb_cb(skb)->pkt_len += (gso_segs - 1) * hdr_len; } } From 16b66c46b69ba08ac6c222c5e572374ed381bb50 Mon Sep 17 00:00:00 2001 From: Anton Danilov Date: Wed, 25 Sep 2024 02:51:59 +0300 Subject: [PATCH 279/649] ipv4: ip_gre: Fix drops of small packets in ipgre_xmit [ Upstream commit c4a14f6d9d17ad1e41a36182dd3b8a5fd91efbd7 ] Regression Description: Depending on the options specified for the GRE tunnel device, small packets may be dropped. This occurs because the pskb_network_may_pull function fails due to the packet's insufficient length. For example, if only the okey option is specified for the tunnel device, original (before encapsulation) packets smaller than 28 bytes (including the IPv4 header) will be dropped. This happens because the required length is calculated relative to the network header, not the skb->head. Here is how the required length is computed and checked: * The pull_len variable is set to 28 bytes, consisting of: * IPv4 header: 20 bytes * GRE header with Key field: 8 bytes * The pskb_network_may_pull function adds the network offset, shifting the checkable space further to the beginning of the network header and extending it to the beginning of the packet. As a result, the end of the checkable space occurs beyond the actual end of the packet. Instead of ensuring that 28 bytes are present in skb->head, the function is requesting these 28 bytes starting from the network header. For small packets, this requested length exceeds the actual packet size, causing the check to fail and the packets to be dropped. This issue affects both locally originated and forwarded packets in DMVPN-like setups. How to reproduce (for local originated packets): ip link add dev gre1 type gre ikey 1.9.8.4 okey 1.9.8.4 \ local remote 0.0.0.0 ip link set mtu 1400 dev gre1 ip link set up dev gre1 ip address add 192.168.13.1/24 dev gre1 ip neighbor add 192.168.13.2 lladdr dev gre1 ping -s 1374 -c 10 192.168.13.2 tcpdump -vni gre1 tcpdump -vni 'ip proto 47' ip -s -s -d link show dev gre1 Solution: Use the pskb_may_pull function instead the pskb_network_may_pull. Fixes: 80d875cfc9d3 ("ipv4: ip_gre: Avoid skb_pull() failure in ipgre_xmit()") Signed-off-by: Anton Danilov Reviewed-by: Eric Dumazet Link: https://patch.msgid.link/20240924235158.106062-1-littlesmilingcloud@gmail.com Signed-off-by: Paolo Abeni Signed-off-by: Sasha Levin --- net/ipv4/ip_gre.c | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) diff --git a/net/ipv4/ip_gre.c b/net/ipv4/ip_gre.c index 0ac652fef06d..9612867b70e9 100644 --- a/net/ipv4/ip_gre.c +++ b/net/ipv4/ip_gre.c @@ -639,11 +639,11 @@ static netdev_tx_t ipgre_xmit(struct sk_buff *skb, if (skb_cow_head(skb, 0)) goto free_skb; - tnl_params = (const struct iphdr *)skb->data; - - if (!pskb_network_may_pull(skb, pull_len)) + if (!pskb_may_pull(skb, pull_len)) goto free_skb; + tnl_params = (const struct iphdr *)skb->data; + /* ip_tunnel_xmit() needs skb->data pointing to gre header. */ skb_pull(skb, pull_len); skb_reset_mac_header(skb); From dd70c8a89ef99c3d53127fe19e51ef47c3f860fa Mon Sep 17 00:00:00 2001 From: Xin Long Date: Mon, 30 Sep 2024 16:49:51 -0400 Subject: [PATCH 280/649] sctp: set sk_state back to CLOSED if autobind fails in sctp_listen_start [ Upstream commit 8beee4d8dee76b67c75dc91fd8185d91e845c160 ] In sctp_listen_start() invoked by sctp_inet_listen(), it should set the sk_state back to CLOSED if sctp_autobind() fails due to whatever reason. Otherwise, next time when calling sctp_inet_listen(), if sctp_sk(sk)->reuse is already set via setsockopt(SCTP_REUSE_PORT), sctp_sk(sk)->bind_hash will be dereferenced as sk_state is LISTENING, which causes a crash as bind_hash is NULL. KASAN: null-ptr-deref in range [0x0000000000000000-0x0000000000000007] RIP: 0010:sctp_inet_listen+0x7f0/0xa20 net/sctp/socket.c:8617 Call Trace: __sys_listen_socket net/socket.c:1883 [inline] __sys_listen+0x1b7/0x230 net/socket.c:1894 __do_sys_listen net/socket.c:1902 [inline] Fixes: 5e8f3f703ae4 ("sctp: simplify sctp listening code") Reported-by: syzbot+f4e0f821e3a3b7cee51d@syzkaller.appspotmail.com Signed-off-by: Xin Long Acked-by: Marcelo Ricardo Leitner Link: https://patch.msgid.link/a93e655b3c153dc8945d7a812e6d8ab0d52b7aa0.1727729391.git.lucien.xin@gmail.com Signed-off-by: Paolo Abeni Signed-off-by: Sasha Levin --- net/sctp/socket.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/net/sctp/socket.c b/net/sctp/socket.c index 5053d813e91c..c1b713a26060 100644 --- a/net/sctp/socket.c +++ b/net/sctp/socket.c @@ -8299,8 +8299,10 @@ static int sctp_listen_start(struct sock *sk, int backlog) */ inet_sk_set_state(sk, SCTP_SS_LISTENING); if (!ep->base.bind_addr.port) { - if (sctp_autobind(sk)) + if (sctp_autobind(sk)) { + inet_sk_set_state(sk, SCTP_SS_CLOSED); return -EAGAIN; + } } else { if (sctp_get_port(sk, inet_sk(sk)->inet_num)) { inet_sk_set_state(sk, SCTP_SS_CLOSED); From 6da4bbeb16cf120093ec706d26fd8a26f888ff08 Mon Sep 17 00:00:00 2001 From: Marek Vasut Date: Mon, 23 Aug 2021 23:41:40 +0200 Subject: [PATCH 281/649] i2c: xiic: Fix broken locking on tx_msg [ Upstream commit c119e7d00c916881913011e6f4c6ac349a41e4e2 ] The tx_msg is set from multiple places, sometimes without locking, which fall apart on any SMP system. Only ever access tx_msg inside the driver mutex. Signed-off-by: Marek Vasut Acked-by: Michal Simek Signed-off-by: Wolfram Sang Stable-dep-of: 1d4a1adbed25 ("i2c: xiic: Try re-initialization on bus busy timeout") Signed-off-by: Sasha Levin --- drivers/i2c/busses/i2c-xiic.c | 26 ++++++++++++++++---------- 1 file changed, 16 insertions(+), 10 deletions(-) diff --git a/drivers/i2c/busses/i2c-xiic.c b/drivers/i2c/busses/i2c-xiic.c index 568e97c3896d..ae9ef3f7220e 100644 --- a/drivers/i2c/busses/i2c-xiic.c +++ b/drivers/i2c/busses/i2c-xiic.c @@ -170,7 +170,7 @@ struct xiic_i2c { #define xiic_tx_space(i2c) ((i2c)->tx_msg->len - (i2c)->tx_pos) #define xiic_rx_space(i2c) ((i2c)->rx_msg->len - (i2c)->rx_pos) -static int xiic_start_xfer(struct xiic_i2c *i2c); +static int xiic_start_xfer(struct xiic_i2c *i2c, struct i2c_msg *msgs, int num); static void __xiic_start_xfer(struct xiic_i2c *i2c); /* @@ -701,15 +701,25 @@ static void __xiic_start_xfer(struct xiic_i2c *i2c) } -static int xiic_start_xfer(struct xiic_i2c *i2c) +static int xiic_start_xfer(struct xiic_i2c *i2c, struct i2c_msg *msgs, int num) { int ret; + mutex_lock(&i2c->lock); + ret = xiic_busy(i2c); + if (ret) + goto out; + + i2c->tx_msg = msgs; + i2c->rx_msg = NULL; + i2c->nmsgs = num; + ret = xiic_reinit(i2c); if (!ret) __xiic_start_xfer(i2c); +out: mutex_unlock(&i2c->lock); return ret; @@ -727,14 +737,7 @@ static int xiic_xfer(struct i2c_adapter *adap, struct i2c_msg *msgs, int num) if (err < 0) return err; - err = xiic_busy(i2c); - if (err) - goto out; - - i2c->tx_msg = msgs; - i2c->nmsgs = num; - - err = xiic_start_xfer(i2c); + err = xiic_start_xfer(i2c, msgs, num); if (err < 0) { dev_err(adap->dev.parent, "Error xiic_start_xfer\n"); goto out; @@ -742,9 +745,11 @@ static int xiic_xfer(struct i2c_adapter *adap, struct i2c_msg *msgs, int num) if (wait_event_timeout(i2c->wait, (i2c->state == STATE_ERROR) || (i2c->state == STATE_DONE), HZ)) { + mutex_lock(&i2c->lock); err = (i2c->state == STATE_DONE) ? num : -EIO; goto out; } else { + mutex_lock(&i2c->lock); i2c->tx_msg = NULL; i2c->rx_msg = NULL; i2c->nmsgs = 0; @@ -752,6 +757,7 @@ static int xiic_xfer(struct i2c_adapter *adap, struct i2c_msg *msgs, int num) goto out; } out: + mutex_unlock(&i2c->lock); pm_runtime_mark_last_busy(i2c->dev); pm_runtime_put_autosuspend(i2c->dev); return err; From 30def367fa205d81e2880f5390b8c43ed66a9667 Mon Sep 17 00:00:00 2001 From: Marek Vasut Date: Mon, 23 Aug 2021 23:41:43 +0200 Subject: [PATCH 282/649] i2c: xiic: Switch from waitqueue to completion [ Upstream commit fdacc3c7405d1fc33c1f2771699a4fc24551e480 ] There will never be threads queueing up in the xiic_xmit(), use completion synchronization primitive to wait for the interrupt handler thread to complete instead as it is much better fit and there is no need to overload it for this purpose. Signed-off-by: Marek Vasut Acked-by: Michal Simek Signed-off-by: Wolfram Sang Stable-dep-of: 1d4a1adbed25 ("i2c: xiic: Try re-initialization on bus busy timeout") Signed-off-by: Sasha Levin --- drivers/i2c/busses/i2c-xiic.c | 33 ++++++++++++++++++--------------- 1 file changed, 18 insertions(+), 15 deletions(-) diff --git a/drivers/i2c/busses/i2c-xiic.c b/drivers/i2c/busses/i2c-xiic.c index ae9ef3f7220e..c6447b2769f9 100644 --- a/drivers/i2c/busses/i2c-xiic.c +++ b/drivers/i2c/busses/i2c-xiic.c @@ -23,7 +23,7 @@ #include #include #include -#include +#include #include #include #include @@ -48,7 +48,7 @@ enum xiic_endian { * struct xiic_i2c - Internal representation of the XIIC I2C bus * @dev: Pointer to device structure * @base: Memory base of the HW registers - * @wait: Wait queue for callers + * @completion: Completion for callers * @adap: Kernel adapter representation * @tx_msg: Messages from above to be sent * @lock: Mutual exclusion @@ -64,7 +64,7 @@ enum xiic_endian { struct xiic_i2c { struct device *dev; void __iomem *base; - wait_queue_head_t wait; + struct completion completion; struct i2c_adapter adap; struct i2c_msg *tx_msg; struct mutex lock; @@ -160,6 +160,9 @@ struct xiic_i2c { #define XIIC_PM_TIMEOUT 1000 /* ms */ /* timeout waiting for the controller to respond */ #define XIIC_I2C_TIMEOUT (msecs_to_jiffies(1000)) +/* timeout waiting for the controller finish transfers */ +#define XIIC_XFER_TIMEOUT (msecs_to_jiffies(10000)) + /* * The following constant is used for the device global interrupt enable * register, to enable all interrupts for the device, this is the only bit @@ -367,7 +370,7 @@ static void xiic_wakeup(struct xiic_i2c *i2c, int code) i2c->rx_msg = NULL; i2c->nmsgs = 0; i2c->state = code; - wake_up(&i2c->wait); + complete(&i2c->completion); } static irqreturn_t xiic_process(int irq, void *dev_id) @@ -714,6 +717,7 @@ static int xiic_start_xfer(struct xiic_i2c *i2c, struct i2c_msg *msgs, int num) i2c->tx_msg = msgs; i2c->rx_msg = NULL; i2c->nmsgs = num; + init_completion(&i2c->completion); ret = xiic_reinit(i2c); if (!ret) @@ -740,23 +744,23 @@ static int xiic_xfer(struct i2c_adapter *adap, struct i2c_msg *msgs, int num) err = xiic_start_xfer(i2c, msgs, num); if (err < 0) { dev_err(adap->dev.parent, "Error xiic_start_xfer\n"); - goto out; + return err; } - if (wait_event_timeout(i2c->wait, (i2c->state == STATE_ERROR) || - (i2c->state == STATE_DONE), HZ)) { - mutex_lock(&i2c->lock); - err = (i2c->state == STATE_DONE) ? num : -EIO; - goto out; - } else { - mutex_lock(&i2c->lock); + err = wait_for_completion_timeout(&i2c->completion, XIIC_XFER_TIMEOUT); + mutex_lock(&i2c->lock); + if (err == 0) { /* Timeout */ i2c->tx_msg = NULL; i2c->rx_msg = NULL; i2c->nmsgs = 0; err = -ETIMEDOUT; - goto out; + } else if (err < 0) { /* Completion error */ + i2c->tx_msg = NULL; + i2c->rx_msg = NULL; + i2c->nmsgs = 0; + } else { + err = (i2c->state == STATE_DONE) ? num : -EIO; } -out: mutex_unlock(&i2c->lock); pm_runtime_mark_last_busy(i2c->dev); pm_runtime_put_autosuspend(i2c->dev); @@ -819,7 +823,6 @@ static int xiic_i2c_probe(struct platform_device *pdev) DRIVER_NAME " %s", pdev->name); mutex_init(&i2c->lock); - init_waitqueue_head(&i2c->wait); i2c->clk = devm_clk_get(&pdev->dev, NULL); if (IS_ERR(i2c->clk)) { From 148fdc3c7df390402f7801f0b28dcda446209cb8 Mon Sep 17 00:00:00 2001 From: Marek Vasut Date: Mon, 23 Aug 2021 23:41:45 +0200 Subject: [PATCH 283/649] i2c: xiic: Fix RX IRQ busy check [ Upstream commit 294b29f15469e90893c2b72a738a962ee02a12eb ] In case the XIIC does TX/RX transfer, make sure no other kernel thread can start another TX transfer at the same time. This could happen since the driver only checks tx_msg for being non-NULL and returns -EBUSY in that case, however it is necessary to check also rx_msg for the same. Signed-off-by: Marek Vasut Acked-by: Michal Simek Signed-off-by: Wolfram Sang Stable-dep-of: 1d4a1adbed25 ("i2c: xiic: Try re-initialization on bus busy timeout") Signed-off-by: Sasha Levin --- drivers/i2c/busses/i2c-xiic.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/i2c/busses/i2c-xiic.c b/drivers/i2c/busses/i2c-xiic.c index c6447b2769f9..b91ea900aae3 100644 --- a/drivers/i2c/busses/i2c-xiic.c +++ b/drivers/i2c/busses/i2c-xiic.c @@ -545,7 +545,7 @@ static int xiic_busy(struct xiic_i2c *i2c) int tries = 3; int err; - if (i2c->tx_msg) + if (i2c->tx_msg || i2c->rx_msg) return -EBUSY; /* In single master mode bus can only be busy, when in use by this From 2d320d9de7d31c0eb279b3f8a02cf1af473a3737 Mon Sep 17 00:00:00 2001 From: Lars-Peter Clausen Date: Thu, 13 Apr 2023 19:10:22 -0700 Subject: [PATCH 284/649] i2c: xiic: xiic_xfer(): Fix runtime PM leak on error path [ Upstream commit d663d93bb47e7ab45602b227701022d8aa16040a ] The xiic_xfer() function gets a runtime PM reference when the function is entered. This reference is released when the function is exited. There is currently one error path where the function exits directly, which leads to a leak of the runtime PM reference. Make sure that this error path also releases the runtime PM reference. Fixes: fdacc3c7405d ("i2c: xiic: Switch from waitqueue to completion") Signed-off-by: Lars-Peter Clausen Reviewed-by: Michal Simek Signed-off-by: Wolfram Sang Stable-dep-of: 1d4a1adbed25 ("i2c: xiic: Try re-initialization on bus busy timeout") Signed-off-by: Sasha Levin --- drivers/i2c/busses/i2c-xiic.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/drivers/i2c/busses/i2c-xiic.c b/drivers/i2c/busses/i2c-xiic.c index b91ea900aae3..bd5fc4ace066 100644 --- a/drivers/i2c/busses/i2c-xiic.c +++ b/drivers/i2c/busses/i2c-xiic.c @@ -744,7 +744,7 @@ static int xiic_xfer(struct i2c_adapter *adap, struct i2c_msg *msgs, int num) err = xiic_start_xfer(i2c, msgs, num); if (err < 0) { dev_err(adap->dev.parent, "Error xiic_start_xfer\n"); - return err; + goto out; } err = wait_for_completion_timeout(&i2c->completion, XIIC_XFER_TIMEOUT); @@ -762,6 +762,8 @@ static int xiic_xfer(struct i2c_adapter *adap, struct i2c_msg *msgs, int num) err = (i2c->state == STATE_DONE) ? num : -EIO; } mutex_unlock(&i2c->lock); + +out: pm_runtime_mark_last_busy(i2c->dev); pm_runtime_put_autosuspend(i2c->dev); return err; From c9668503e4e192c8d174c28a8ec1f5fc02b4d1d7 Mon Sep 17 00:00:00 2001 From: Marc Ferland Date: Mon, 13 May 2024 12:03:24 -0400 Subject: [PATCH 285/649] i2c: xiic: improve error message when transfer fails to start [ Upstream commit ee1691d0ae103ba7fd9439800ef454674fadad27 ] xiic_start_xfer can fail for different reasons: - EBUSY: bus is busy or i2c messages still in tx_msg or rx_msg - ETIMEDOUT: timed-out trying to clear the RX fifo - EINVAL: wrong clock settings Both EINVAL and ETIMEDOUT will currently print a specific error message followed by a generic one, for example: Failed to clear rx fifo Error xiic_start_xfer however EBUSY will simply output the generic message: Error xiic_start_xfer which is not really helpful. This commit adds a new error message when a busy condition is detected and also removes the generic message since it does not provide any relevant information to the user. Signed-off-by: Marc Ferland Acked-by: Michal Simek Signed-off-by: Andi Shyti Stable-dep-of: 1d4a1adbed25 ("i2c: xiic: Try re-initialization on bus busy timeout") Signed-off-by: Sasha Levin --- drivers/i2c/busses/i2c-xiic.c | 9 +++++---- 1 file changed, 5 insertions(+), 4 deletions(-) diff --git a/drivers/i2c/busses/i2c-xiic.c b/drivers/i2c/busses/i2c-xiic.c index bd5fc4ace066..41104f9f6f0a 100644 --- a/drivers/i2c/busses/i2c-xiic.c +++ b/drivers/i2c/busses/i2c-xiic.c @@ -711,8 +711,11 @@ static int xiic_start_xfer(struct xiic_i2c *i2c, struct i2c_msg *msgs, int num) mutex_lock(&i2c->lock); ret = xiic_busy(i2c); - if (ret) + if (ret) { + dev_err(i2c->adap.dev.parent, + "cannot start a transfer while busy\n"); goto out; + } i2c->tx_msg = msgs; i2c->rx_msg = NULL; @@ -742,10 +745,8 @@ static int xiic_xfer(struct i2c_adapter *adap, struct i2c_msg *msgs, int num) return err; err = xiic_start_xfer(i2c, msgs, num); - if (err < 0) { - dev_err(adap->dev.parent, "Error xiic_start_xfer\n"); + if (err < 0) goto out; - } err = wait_for_completion_timeout(&i2c->completion, XIIC_XFER_TIMEOUT); mutex_lock(&i2c->lock); From a73d99643621de3602eeccc6e3408f45a5685723 Mon Sep 17 00:00:00 2001 From: Robert Hancock Date: Wed, 11 Sep 2024 22:16:53 +0200 Subject: [PATCH 286/649] i2c: xiic: Try re-initialization on bus busy timeout [ Upstream commit 1d4a1adbed2582444aaf97671858b7d12915bd05 ] In the event that the I2C bus was powered down when the I2C controller driver loads, or some spurious pulses occur on the I2C bus, it's possible that the controller detects a spurious I2C "start" condition. In this situation it may continue to report the bus is busy indefinitely and block the controller from working. The "single-master" DT flag can be specified to disable bus busy checks entirely, but this may not be safe to use in situations where other I2C masters may potentially exist. In the event that the controller reports "bus busy" for too long when starting a transaction, we can try reinitializing the controller to see if the busy condition clears. This allows recovering from this scenario. Fixes: e1d5b6598cdc ("i2c: Add support for Xilinx XPS IIC Bus Interface") Signed-off-by: Robert Hancock Cc: # v2.6.34+ Reviewed-by: Manikanta Guntupalli Acked-by: Michal Simek Signed-off-by: Andi Shyti Signed-off-by: Sasha Levin --- drivers/i2c/busses/i2c-xiic.c | 41 ++++++++++++++++++++++------------- 1 file changed, 26 insertions(+), 15 deletions(-) diff --git a/drivers/i2c/busses/i2c-xiic.c b/drivers/i2c/busses/i2c-xiic.c index 41104f9f6f0a..9130563fbea0 100644 --- a/drivers/i2c/busses/i2c-xiic.c +++ b/drivers/i2c/busses/i2c-xiic.c @@ -540,23 +540,11 @@ static int xiic_bus_busy(struct xiic_i2c *i2c) return (sr & XIIC_SR_BUS_BUSY_MASK) ? -EBUSY : 0; } -static int xiic_busy(struct xiic_i2c *i2c) +static int xiic_wait_not_busy(struct xiic_i2c *i2c) { int tries = 3; int err; - if (i2c->tx_msg || i2c->rx_msg) - return -EBUSY; - - /* In single master mode bus can only be busy, when in use by this - * driver. If the register indicates bus being busy for some reason we - * should ignore it, since bus will never be released and i2c will be - * stuck forever. - */ - if (i2c->singlemaster) { - return 0; - } - /* for instance if previous transfer was terminated due to TX error * it might be that the bus is on it's way to become available * give it at most 3 ms to wake @@ -710,13 +698,36 @@ static int xiic_start_xfer(struct xiic_i2c *i2c, struct i2c_msg *msgs, int num) mutex_lock(&i2c->lock); - ret = xiic_busy(i2c); - if (ret) { + if (i2c->tx_msg || i2c->rx_msg) { dev_err(i2c->adap.dev.parent, "cannot start a transfer while busy\n"); + ret = -EBUSY; goto out; } + /* In single master mode bus can only be busy, when in use by this + * driver. If the register indicates bus being busy for some reason we + * should ignore it, since bus will never be released and i2c will be + * stuck forever. + */ + if (!i2c->singlemaster) { + ret = xiic_wait_not_busy(i2c); + if (ret) { + /* If the bus is stuck in a busy state, such as due to spurious low + * pulses on the bus causing a false start condition to be detected, + * then try to recover by re-initializing the controller and check + * again if the bus is still busy. + */ + dev_warn(i2c->adap.dev.parent, "I2C bus busy timeout, reinitializing\n"); + ret = xiic_reinit(i2c); + if (ret) + goto out; + ret = xiic_wait_not_busy(i2c); + if (ret) + goto out; + } + } + i2c->tx_msg = msgs; i2c->rx_msg = NULL; i2c->nmsgs = num; From 4ec4641df57cbdfdc51bb4959afcdbcf5003ddb9 Mon Sep 17 00:00:00 2001 From: Benjamin Gaignard Date: Sat, 2 Mar 2024 11:37:08 +0100 Subject: [PATCH 287/649] media: usbtv: Remove useless locks in usbtv_video_free() [ Upstream commit 65e6a2773d655172143cc0b927cdc89549842895 ] Remove locks calls in usbtv_video_free() because are useless and may led to a deadlock as reported here: https://syzkaller.appspot.com/x/bisect.txt?x=166dc872180000 Also remove usbtv_stop() call since it will be called when unregistering the device. Before 'c838530d230b' this issue would only be noticed if you disconnect while streaming and now it is noticeable even when disconnecting while not streaming. Fixes: c838530d230b ("media: media videobuf2: Be more flexible on the number of queue stored buffers") Fixes: f3d27f34fdd7 ("[media] usbtv: Add driver for Fushicai USBTV007 video frame grabber") Signed-off-by: Benjamin Gaignard Reviewed-by: Tomasz Figa Tested-by: Hans Verkuil Signed-off-by: Hans Verkuil [hverkuil: fix minor spelling mistake in log message] Signed-off-by: Sasha Levin --- drivers/media/usb/usbtv/usbtv-video.c | 7 ------- 1 file changed, 7 deletions(-) diff --git a/drivers/media/usb/usbtv/usbtv-video.c b/drivers/media/usb/usbtv/usbtv-video.c index 3b4a2e769230..f2aaec0f77c8 100644 --- a/drivers/media/usb/usbtv/usbtv-video.c +++ b/drivers/media/usb/usbtv/usbtv-video.c @@ -959,15 +959,8 @@ int usbtv_video_init(struct usbtv *usbtv) void usbtv_video_free(struct usbtv *usbtv) { - mutex_lock(&usbtv->vb2q_lock); - mutex_lock(&usbtv->v4l2_lock); - - usbtv_stop(usbtv); vb2_video_unregister_device(&usbtv->vdev); v4l2_device_disconnect(&usbtv->v4l2_dev); - mutex_unlock(&usbtv->v4l2_lock); - mutex_unlock(&usbtv->vb2q_lock); - v4l2_device_put(&usbtv->v4l2_dev); } From f13b04cf65a86507ff15a9bbf37969d25be3e2a0 Mon Sep 17 00:00:00 2001 From: Luiz Augusto von Dentz Date: Fri, 5 Apr 2024 15:50:47 -0400 Subject: [PATCH 288/649] Bluetooth: L2CAP: Fix not validating setsockopt user input [ Upstream commit 4f3951242ace5efc7131932e2e01e6ac6baed846 ] Check user input length before copying data. Fixes: 33575df7be67 ("Bluetooth: move l2cap_sock_setsockopt() to l2cap_sock.c") Fixes: 3ee7b7cd8390 ("Bluetooth: Add BT_MODE socket option") Signed-off-by: Eric Dumazet Signed-off-by: Luiz Augusto von Dentz Signed-off-by: Sasha Levin --- net/bluetooth/l2cap_sock.c | 52 +++++++++++++++----------------------- 1 file changed, 20 insertions(+), 32 deletions(-) diff --git a/net/bluetooth/l2cap_sock.c b/net/bluetooth/l2cap_sock.c index 3a2be1b4a574..93afa52c0466 100644 --- a/net/bluetooth/l2cap_sock.c +++ b/net/bluetooth/l2cap_sock.c @@ -745,7 +745,7 @@ static int l2cap_sock_setsockopt_old(struct socket *sock, int optname, struct sock *sk = sock->sk; struct l2cap_chan *chan = l2cap_pi(sk)->chan; struct l2cap_options opts; - int len, err = 0; + int err = 0; u32 opt; BT_DBG("sk %p", sk); @@ -772,11 +772,9 @@ static int l2cap_sock_setsockopt_old(struct socket *sock, int optname, opts.max_tx = chan->max_tx; opts.txwin_size = chan->tx_win; - len = min_t(unsigned int, sizeof(opts), optlen); - if (copy_from_sockptr(&opts, optval, len)) { - err = -EFAULT; + err = bt_copy_from_sockptr(&opts, sizeof(opts), optval, optlen); + if (err) break; - } if (opts.txwin_size > L2CAP_DEFAULT_EXT_WINDOW) { err = -EINVAL; @@ -819,10 +817,9 @@ static int l2cap_sock_setsockopt_old(struct socket *sock, int optname, break; case L2CAP_LM: - if (copy_from_sockptr(&opt, optval, sizeof(u32))) { - err = -EFAULT; + err = bt_copy_from_sockptr(&opt, sizeof(opt), optval, optlen); + if (err) break; - } if (opt & L2CAP_LM_FIPS) { err = -EINVAL; @@ -903,7 +900,7 @@ static int l2cap_sock_setsockopt(struct socket *sock, int level, int optname, struct bt_security sec; struct bt_power pwr; struct l2cap_conn *conn; - int len, err = 0; + int err = 0; u32 opt; u16 mtu; u8 mode; @@ -929,11 +926,9 @@ static int l2cap_sock_setsockopt(struct socket *sock, int level, int optname, sec.level = BT_SECURITY_LOW; - len = min_t(unsigned int, sizeof(sec), optlen); - if (copy_from_sockptr(&sec, optval, len)) { - err = -EFAULT; + err = bt_copy_from_sockptr(&sec, sizeof(sec), optval, optlen); + if (err) break; - } if (sec.level < BT_SECURITY_LOW || sec.level > BT_SECURITY_FIPS) { @@ -978,10 +973,9 @@ static int l2cap_sock_setsockopt(struct socket *sock, int level, int optname, break; } - if (copy_from_sockptr(&opt, optval, sizeof(u32))) { - err = -EFAULT; + err = bt_copy_from_sockptr(&opt, sizeof(opt), optval, optlen); + if (err) break; - } if (opt) { set_bit(BT_SK_DEFER_SETUP, &bt_sk(sk)->flags); @@ -993,10 +987,9 @@ static int l2cap_sock_setsockopt(struct socket *sock, int level, int optname, break; case BT_FLUSHABLE: - if (copy_from_sockptr(&opt, optval, sizeof(u32))) { - err = -EFAULT; + err = bt_copy_from_sockptr(&opt, sizeof(opt), optval, optlen); + if (err) break; - } if (opt > BT_FLUSHABLE_ON) { err = -EINVAL; @@ -1028,11 +1021,9 @@ static int l2cap_sock_setsockopt(struct socket *sock, int level, int optname, pwr.force_active = BT_POWER_FORCE_ACTIVE_ON; - len = min_t(unsigned int, sizeof(pwr), optlen); - if (copy_from_sockptr(&pwr, optval, len)) { - err = -EFAULT; + err = bt_copy_from_sockptr(&pwr, sizeof(pwr), optval, optlen); + if (err) break; - } if (pwr.force_active) set_bit(FLAG_FORCE_ACTIVE, &chan->flags); @@ -1041,10 +1032,9 @@ static int l2cap_sock_setsockopt(struct socket *sock, int level, int optname, break; case BT_CHANNEL_POLICY: - if (copy_from_sockptr(&opt, optval, sizeof(u32))) { - err = -EFAULT; + err = bt_copy_from_sockptr(&opt, sizeof(opt), optval, optlen); + if (err) break; - } if (opt > BT_CHANNEL_POLICY_AMP_PREFERRED) { err = -EINVAL; @@ -1089,10 +1079,9 @@ static int l2cap_sock_setsockopt(struct socket *sock, int level, int optname, break; } - if (copy_from_sockptr(&mtu, optval, sizeof(u16))) { - err = -EFAULT; + err = bt_copy_from_sockptr(&mtu, sizeof(mtu), optval, optlen); + if (err) break; - } if (chan->mode == L2CAP_MODE_EXT_FLOWCTL && sk->sk_state == BT_CONNECTED) @@ -1120,10 +1109,9 @@ static int l2cap_sock_setsockopt(struct socket *sock, int level, int optname, break; } - if (copy_from_sockptr(&mode, optval, sizeof(u8))) { - err = -EFAULT; + err = bt_copy_from_sockptr(&mode, sizeof(mode), optval, optlen); + if (err) break; - } BT_DBG("mode %u", mode); From 7c93044298a45d0b01334ffc4bb38c1882200849 Mon Sep 17 00:00:00 2001 From: Christophe JAILLET Date: Thu, 26 Sep 2024 20:17:36 +0200 Subject: [PATCH 289/649] ALSA: mixer_oss: Remove some incorrect kfree_const() usages [ Upstream commit 368e4663c557de4a33f321b44e7eeec0a21b2e4e ] "assigned" and "assigned->name" are allocated in snd_mixer_oss_proc_write() using kmalloc() and kstrdup(), so there is no point in using kfree_const() to free these resources. Switch to the more standard kfree() to free these resources. This could avoid a memory leak. Fixes: 454f5ec1d2b7 ("ALSA: mixer: oss: Constify snd_mixer_oss_assign_table definition") Signed-off-by: Christophe JAILLET Link: https://patch.msgid.link/63ac20f64234b7c9ea87a7fa9baf41e8255852f7.1727374631.git.christophe.jaillet@wanadoo.fr Signed-off-by: Takashi Iwai Signed-off-by: Sasha Levin --- sound/core/oss/mixer_oss.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/sound/core/oss/mixer_oss.c b/sound/core/oss/mixer_oss.c index bfed82a3a188..eb1a6229a31c 100644 --- a/sound/core/oss/mixer_oss.c +++ b/sound/core/oss/mixer_oss.c @@ -957,8 +957,8 @@ static void snd_mixer_oss_slot_free(struct snd_mixer_oss_slot *chn) struct slot *p = chn->private_data; if (p) { if (p->allocated && p->assigned) { - kfree_const(p->assigned->name); - kfree_const(p->assigned); + kfree(p->assigned->name); + kfree(p->assigned); } kfree(p); } From f10d29b108bd98242b8d71539a054567ea6b72f0 Mon Sep 17 00:00:00 2001 From: Oder Chiou Date: Mon, 30 Sep 2024 18:50:39 +0800 Subject: [PATCH 290/649] ALSA: hda/realtek: Fix the push button function for the ALC257 [ Upstream commit 05df9732a0894846c46d0062d4af535c5002799d ] The headset push button cannot work properly in case of the ALC257. This patch reverted the previous commit to correct the side effect. Fixes: ef9718b3d54e ("ALSA: hda/realtek: Fix noise from speakers on Lenovo IdeaPad 3 15IAU7") Signed-off-by: Oder Chiou Link: https://patch.msgid.link/20240930105039.3473266-1-oder_chiou@realtek.com Signed-off-by: Takashi Iwai Signed-off-by: Sasha Levin --- sound/pci/hda/patch_realtek.c | 1 + 1 file changed, 1 insertion(+) diff --git a/sound/pci/hda/patch_realtek.c b/sound/pci/hda/patch_realtek.c index d6ebde90f082..de2a7eb55ae3 100644 --- a/sound/pci/hda/patch_realtek.c +++ b/sound/pci/hda/patch_realtek.c @@ -578,6 +578,7 @@ static void alc_shutup_pins(struct hda_codec *codec) switch (codec->core.vendor_id) { case 0x10ec0236: case 0x10ec0256: + case 0x10ec0257: case 0x19e58326: case 0x10ec0283: case 0x10ec0285: From f7785c4498682d5d52a41e52d9e18051b7323289 Mon Sep 17 00:00:00 2001 From: Takashi Iwai Date: Tue, 1 Oct 2024 14:14:36 +0200 Subject: [PATCH 291/649] ALSA: hda/generic: Unconditionally prefer preferred_dacs pairs [ Upstream commit 1c801e7f77445bc56e5e1fec6191fd4503534787 ] Some time ago, we introduced the obey_preferred_dacs flag for choosing the DAC/pin pairs specified by the driver instead of parsing the paths. This works as expected, per se, but there have been a few cases where we forgot to set this flag while preferred_dacs table is already set up. It ended up with incorrect wiring and made us wondering why it doesn't work. Basically, when the preferred_dacs table is provided, it means that the driver really wants to wire up to follow that. That is, the presence of the preferred_dacs table itself is already a "do-it" flag. In this patch, we simply replace the evaluation of obey_preferred_dacs flag with the presence of preferred_dacs table for fixing the misbehavior. Another patch to drop of the obsoleted flag will follow. Fixes: 242d990c158d ("ALSA: hda/generic: Add option to enforce preferred_dacs pairs") Link: https://bugzilla.suse.com/show_bug.cgi?id=1219803 Link: https://patch.msgid.link/20241001121439.26060-1-tiwai@suse.de Signed-off-by: Takashi Iwai Signed-off-by: Sasha Levin --- sound/pci/hda/hda_generic.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/sound/pci/hda/hda_generic.c b/sound/pci/hda/hda_generic.c index 733dc9953a38..d697041a8529 100644 --- a/sound/pci/hda/hda_generic.c +++ b/sound/pci/hda/hda_generic.c @@ -1377,7 +1377,7 @@ static int try_assign_dacs(struct hda_codec *codec, int num_outs, struct nid_path *path; hda_nid_t pin = pins[i]; - if (!spec->obey_preferred_dacs) { + if (!spec->preferred_dacs) { path = snd_hda_get_path_from_idx(codec, path_idx[i]); if (path) { badness += assign_out_path_ctls(codec, path); @@ -1389,7 +1389,7 @@ static int try_assign_dacs(struct hda_codec *codec, int num_outs, if (dacs[i]) { if (is_dac_already_used(codec, dacs[i])) badness += bad->shared_primary; - } else if (spec->obey_preferred_dacs) { + } else if (spec->preferred_dacs) { badness += BAD_NO_PRIMARY_DAC; } From b820cb910f9882f8409fa86f330e838d3d1607a6 Mon Sep 17 00:00:00 2001 From: Takashi Iwai Date: Fri, 4 Oct 2024 10:25:58 +0200 Subject: [PATCH 292/649] ALSA: hda/conexant: Fix conflicting quirk for System76 Pangolin [ Upstream commit b3ebb007060f89d5a45c9b99f06a55e36a1945b5 ] We received a regression report for System76 Pangolin (pang14) due to the recent fix for Tuxedo Sirius devices to support the top speaker. The reason was the conflicting PCI SSID, as often seen. As a workaround, now the codec SSID is checked and the quirk is applied conditionally only to Sirius devices. Fixes: 4178d78cd7a8 ("ALSA: hda/conexant: Add pincfg quirk to enable top speakers on Sirius devices") Reported-by: Christian Heusel Reported-by: Jerry Closes: https://lore.kernel.org/c930b6a6-64e5-498f-b65a-1cd5e0a1d733@heusel.eu Link: https://patch.msgid.link/20241004082602.29016-1-tiwai@suse.de Signed-off-by: Takashi Iwai Signed-off-by: Sasha Levin --- sound/pci/hda/patch_conexant.c | 24 +++++++++++++++++++----- 1 file changed, 19 insertions(+), 5 deletions(-) diff --git a/sound/pci/hda/patch_conexant.c b/sound/pci/hda/patch_conexant.c index d908a39af9f5..4046ce3db4b5 100644 --- a/sound/pci/hda/patch_conexant.c +++ b/sound/pci/hda/patch_conexant.c @@ -747,6 +747,23 @@ static const struct hda_pintbl cxt_pincfg_sws_js201d[] = { {} }; +/* pincfg quirk for Tuxedo Sirius; + * unfortunately the (PCI) SSID conflicts with System76 Pangolin pang14, + * which has incompatible pin setup, so we check the codec SSID (luckily + * different one!) and conditionally apply the quirk here + */ +static void cxt_fixup_sirius_top_speaker(struct hda_codec *codec, + const struct hda_fixup *fix, + int action) +{ + /* ignore for incorrectly picked-up pang14 */ + if (codec->core.subsystem_id == 0x278212b3) + return; + /* set up the top speaker pin */ + if (action == HDA_FIXUP_ACT_PRE_PROBE) + snd_hda_codec_set_pincfg(codec, 0x1d, 0x82170111); +} + static const struct hda_fixup cxt_fixups[] = { [CXT_PINCFG_LENOVO_X200] = { .type = HDA_FIXUP_PINS, @@ -907,11 +924,8 @@ static const struct hda_fixup cxt_fixups[] = { .v.pins = cxt_pincfg_sws_js201d, }, [CXT_PINCFG_TOP_SPEAKER] = { - .type = HDA_FIXUP_PINS, - .v.pins = (const struct hda_pintbl[]) { - { 0x1d, 0x82170111 }, - { } - }, + .type = HDA_FIXUP_FUNC, + .v.func = cxt_fixup_sirius_top_speaker, }, }; From 000bab8753ae29a259feb339b99ee759795a48ac Mon Sep 17 00:00:00 2001 From: Jann Horn Date: Fri, 4 Oct 2024 19:36:43 +0000 Subject: [PATCH 293/649] f2fs: Require FMODE_WRITE for atomic write ioctls commit 4f5a100f87f32cb65d4bb1ad282a08c92f6f591e upstream. The F2FS ioctls for starting and committing atomic writes check for inode_owner_or_capable(), but this does not give LSMs like SELinux or Landlock an opportunity to deny the write access - if the caller's FSUID matches the inode's UID, inode_owner_or_capable() immediately returns true. There are scenarios where LSMs want to deny a process the ability to write particular files, even files that the FSUID of the process owns; but this can currently partially be bypassed using atomic write ioctls in two ways: - F2FS_IOC_START_ATOMIC_REPLACE + F2FS_IOC_COMMIT_ATOMIC_WRITE can truncate an inode to size 0 - F2FS_IOC_START_ATOMIC_WRITE + F2FS_IOC_ABORT_ATOMIC_WRITE can revert changes another process concurrently made to a file Fix it by requiring FMODE_WRITE for these operations, just like for F2FS_IOC_MOVE_RANGE. Since any legitimate caller should only be using these ioctls when intending to write into the file, that seems unlikely to break anything. Fixes: 88b88a667971 ("f2fs: support atomic writes") Cc: stable@vger.kernel.org Signed-off-by: Jann Horn Reviewed-by: Chao Yu Reviewed-by: Eric Biggers Signed-off-by: Jaegeuk Kim Signed-off-by: Eric Biggers Signed-off-by: Sasha Levin --- fs/f2fs/file.c | 15 +++++++++++++++ 1 file changed, 15 insertions(+) diff --git a/fs/f2fs/file.c b/fs/f2fs/file.c index 060bd64502c6..7ce22137afbe 100644 --- a/fs/f2fs/file.c +++ b/fs/f2fs/file.c @@ -2054,6 +2054,9 @@ static int f2fs_ioc_start_atomic_write(struct file *filp) struct f2fs_sb_info *sbi = F2FS_I_SB(inode); int ret; + if (!(filp->f_mode & FMODE_WRITE)) + return -EBADF; + if (!inode_owner_or_capable(inode)) return -EACCES; @@ -2124,6 +2127,9 @@ static int f2fs_ioc_commit_atomic_write(struct file *filp) struct inode *inode = file_inode(filp); int ret; + if (!(filp->f_mode & FMODE_WRITE)) + return -EBADF; + if (!inode_owner_or_capable(inode)) return -EACCES; @@ -2166,6 +2172,9 @@ static int f2fs_ioc_start_volatile_write(struct file *filp) struct inode *inode = file_inode(filp); int ret; + if (!(filp->f_mode & FMODE_WRITE)) + return -EBADF; + if (!inode_owner_or_capable(inode)) return -EACCES; @@ -2201,6 +2210,9 @@ static int f2fs_ioc_release_volatile_write(struct file *filp) struct inode *inode = file_inode(filp); int ret; + if (!(filp->f_mode & FMODE_WRITE)) + return -EBADF; + if (!inode_owner_or_capable(inode)) return -EACCES; @@ -2230,6 +2242,9 @@ static int f2fs_ioc_abort_volatile_write(struct file *filp) struct inode *inode = file_inode(filp); int ret; + if (!(filp->f_mode & FMODE_WRITE)) + return -EBADF; + if (!inode_owner_or_capable(inode)) return -EACCES; From 2171e1d750012035ba95879f2f6d60d9b7f69c62 Mon Sep 17 00:00:00 2001 From: Dmitry Kandybka Date: Thu, 25 Jul 2024 14:17:43 +0300 Subject: [PATCH 294/649] wifi: ath9k: fix possible integer overflow in ath9k_get_et_stats() MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit [ Upstream commit 3f66f26703093886db81f0610b97a6794511917c ] In 'ath9k_get_et_stats()', promote TX stats counters to 'u64' to avoid possible integer overflow. Compile tested only. Found by Linux Verification Center (linuxtesting.org) with SVACE. Signed-off-by: Dmitry Kandybka Acked-by: Toke Høiland-Jørgensen Signed-off-by: Kalle Valo Link: https://patch.msgid.link/20240725111743.14422-1-d.kandybka@gmail.com Signed-off-by: Sasha Levin --- drivers/net/wireless/ath/ath9k/debug.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/net/wireless/ath/ath9k/debug.c b/drivers/net/wireless/ath/ath9k/debug.c index 8d98347e0ddf..8631258b1ea7 100644 --- a/drivers/net/wireless/ath/ath9k/debug.c +++ b/drivers/net/wireless/ath/ath9k/debug.c @@ -1316,11 +1316,11 @@ void ath9k_get_et_stats(struct ieee80211_hw *hw, struct ath_softc *sc = hw->priv; int i = 0; - data[i++] = (sc->debug.stats.txstats[PR_QNUM(IEEE80211_AC_BE)].tx_pkts_all + + data[i++] = ((u64)sc->debug.stats.txstats[PR_QNUM(IEEE80211_AC_BE)].tx_pkts_all + sc->debug.stats.txstats[PR_QNUM(IEEE80211_AC_BK)].tx_pkts_all + sc->debug.stats.txstats[PR_QNUM(IEEE80211_AC_VI)].tx_pkts_all + sc->debug.stats.txstats[PR_QNUM(IEEE80211_AC_VO)].tx_pkts_all); - data[i++] = (sc->debug.stats.txstats[PR_QNUM(IEEE80211_AC_BE)].tx_bytes_all + + data[i++] = ((u64)sc->debug.stats.txstats[PR_QNUM(IEEE80211_AC_BE)].tx_bytes_all + sc->debug.stats.txstats[PR_QNUM(IEEE80211_AC_BK)].tx_bytes_all + sc->debug.stats.txstats[PR_QNUM(IEEE80211_AC_VI)].tx_bytes_all + sc->debug.stats.txstats[PR_QNUM(IEEE80211_AC_VO)].tx_bytes_all); From b02eb7c86ff2ef1411c3095ec8a52b13f68db04f Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Toke=20H=C3=B8iland-J=C3=B8rgensen?= Date: Mon, 12 Aug 2024 16:24:46 +0200 Subject: [PATCH 295/649] wifi: ath9k_htc: Use __skb_set_length() for resetting urb before resubmit MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit [ Upstream commit 94745807f3ebd379f23865e6dab196f220664179 ] Syzbot points out that skb_trim() has a sanity check on the existing length of the skb, which can be uninitialised in some error paths. The intent here is clearly just to reset the length to zero before resubmitting, so switch to calling __skb_set_length(skb, 0) directly. In addition, __skb_set_length() already contains a call to skb_reset_tail_pointer(), so remove the redundant call. The syzbot report came from ath9k_hif_usb_reg_in_cb(), but there's a similar usage of skb_trim() in ath9k_hif_usb_rx_cb(), change both while we're at it. Reported-by: syzbot+98afa303be379af6cdb2@syzkaller.appspotmail.com Signed-off-by: Toke Høiland-Jørgensen Signed-off-by: Kalle Valo Link: https://patch.msgid.link/20240812142447.12328-1-toke@toke.dk Signed-off-by: Sasha Levin --- drivers/net/wireless/ath/ath9k/hif_usb.c | 6 ++---- 1 file changed, 2 insertions(+), 4 deletions(-) diff --git a/drivers/net/wireless/ath/ath9k/hif_usb.c b/drivers/net/wireless/ath/ath9k/hif_usb.c index e0130beb304d..6c73c0c0b82a 100644 --- a/drivers/net/wireless/ath/ath9k/hif_usb.c +++ b/drivers/net/wireless/ath/ath9k/hif_usb.c @@ -718,8 +718,7 @@ static void ath9k_hif_usb_rx_cb(struct urb *urb) } resubmit: - skb_reset_tail_pointer(skb); - skb_trim(skb, 0); + __skb_set_length(skb, 0); usb_anchor_urb(urb, &hif_dev->rx_submitted); ret = usb_submit_urb(urb, GFP_ATOMIC); @@ -756,8 +755,7 @@ static void ath9k_hif_usb_reg_in_cb(struct urb *urb) case -ESHUTDOWN: goto free_skb; default: - skb_reset_tail_pointer(skb); - skb_trim(skb, 0); + __skb_set_length(skb, 0); goto resubmit; } From ed418cad838630f1a3b6e0bd68c5dafc767ddae0 Mon Sep 17 00:00:00 2001 From: Aleksandr Mishin Date: Wed, 10 Jul 2024 15:39:49 +0300 Subject: [PATCH 296/649] ice: Adjust over allocation of memory in ice_sched_add_root_node() and ice_sched_add_node() [ Upstream commit 62fdaf9e8056e9a9e6fe63aa9c816ec2122d60c6 ] In ice_sched_add_root_node() and ice_sched_add_node() there are calls to devm_kcalloc() in order to allocate memory for array of pointers to 'ice_sched_node' structure. But incorrect types are used as sizeof() arguments in these calls (structures instead of pointers) which leads to over allocation of memory. Adjust over allocation of memory by correcting types in devm_kcalloc() sizeof() arguments. Found by Linux Verification Center (linuxtesting.org) with SVACE. Reviewed-by: Przemek Kitszel Signed-off-by: Aleksandr Mishin Reviewed-by: Simon Horman Tested-by: Pucha Himasekhar Reddy (A Contingent worker at Intel) Signed-off-by: Tony Nguyen Signed-off-by: Sasha Levin --- drivers/net/ethernet/intel/ice/ice_sched.c | 6 ++---- 1 file changed, 2 insertions(+), 4 deletions(-) diff --git a/drivers/net/ethernet/intel/ice/ice_sched.c b/drivers/net/ethernet/intel/ice/ice_sched.c index 44a228530253..f5bfb662f1df 100644 --- a/drivers/net/ethernet/intel/ice/ice_sched.c +++ b/drivers/net/ethernet/intel/ice/ice_sched.c @@ -27,9 +27,8 @@ ice_sched_add_root_node(struct ice_port_info *pi, if (!root) return ICE_ERR_NO_MEMORY; - /* coverity[suspicious_sizeof] */ root->children = devm_kcalloc(ice_hw_to_dev(hw), hw->max_children[0], - sizeof(*root), GFP_KERNEL); + sizeof(*root->children), GFP_KERNEL); if (!root->children) { devm_kfree(ice_hw_to_dev(hw), root); return ICE_ERR_NO_MEMORY; @@ -181,10 +180,9 @@ ice_sched_add_node(struct ice_port_info *pi, u8 layer, if (!node) return ICE_ERR_NO_MEMORY; if (hw->max_children[layer]) { - /* coverity[suspicious_sizeof] */ node->children = devm_kcalloc(ice_hw_to_dev(hw), hw->max_children[layer], - sizeof(*node), GFP_KERNEL); + sizeof(*node->children), GFP_KERNEL); if (!node->children) { devm_kfree(ice_hw_to_dev(hw), node); return ICE_ERR_NO_MEMORY; From a7f0073fcd12ed7de185ef2c0af9d0fa1ddef22c Mon Sep 17 00:00:00 2001 From: Jeongjun Park Date: Fri, 23 Aug 2024 03:11:09 +0900 Subject: [PATCH 297/649] net/xen-netback: prevent UAF in xenvif_flush_hash() [ Upstream commit 0fa5e94a1811d68fbffa0725efe6d4ca62c03d12 ] During the list_for_each_entry_rcu iteration call of xenvif_flush_hash, kfree_rcu does not exist inside the rcu read critical section, so if kfree_rcu is called when the rcu grace period ends during the iteration, UAF occurs when accessing head->next after the entry becomes free. Therefore, to solve this, you need to change it to list_for_each_entry_safe. Signed-off-by: Jeongjun Park Link: https://patch.msgid.link/20240822181109.2577354-1-aha310510@gmail.com Signed-off-by: Jakub Kicinski Signed-off-by: Sasha Levin --- drivers/net/xen-netback/hash.c | 5 ++--- 1 file changed, 2 insertions(+), 3 deletions(-) diff --git a/drivers/net/xen-netback/hash.c b/drivers/net/xen-netback/hash.c index ff96f22648ef..45ddce35f6d2 100644 --- a/drivers/net/xen-netback/hash.c +++ b/drivers/net/xen-netback/hash.c @@ -95,7 +95,7 @@ static u32 xenvif_new_hash(struct xenvif *vif, const u8 *data, static void xenvif_flush_hash(struct xenvif *vif) { - struct xenvif_hash_cache_entry *entry; + struct xenvif_hash_cache_entry *entry, *n; unsigned long flags; if (xenvif_hash_cache_size == 0) @@ -103,8 +103,7 @@ static void xenvif_flush_hash(struct xenvif *vif) spin_lock_irqsave(&vif->hash.cache.lock, flags); - list_for_each_entry_rcu(entry, &vif->hash.cache.list, link, - lockdep_is_held(&vif->hash.cache.lock)) { + list_for_each_entry_safe(entry, n, &vif->hash.cache.list, link) { list_del_rcu(&entry->link); vif->hash.cache.count--; kfree_rcu(entry, rcu); From ac6e862b8deb7b16595be3093a9d920d77bf60a0 Mon Sep 17 00:00:00 2001 From: Krzysztof Kozlowski Date: Tue, 27 Aug 2024 16:44:19 +0200 Subject: [PATCH 298/649] net: hisilicon: hip04: fix OF node leak in probe() [ Upstream commit 17555297dbd5bccc93a01516117547e26a61caf1 ] Driver is leaking OF node reference from of_parse_phandle_with_fixed_args() in probe(). Signed-off-by: Krzysztof Kozlowski Reviewed-by: Simon Horman Link: https://patch.msgid.link/20240827144421.52852-2-krzysztof.kozlowski@linaro.org Signed-off-by: Jakub Kicinski Signed-off-by: Sasha Levin --- drivers/net/ethernet/hisilicon/hip04_eth.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/net/ethernet/hisilicon/hip04_eth.c b/drivers/net/ethernet/hisilicon/hip04_eth.c index e53512f6878a..09acd839a72c 100644 --- a/drivers/net/ethernet/hisilicon/hip04_eth.c +++ b/drivers/net/ethernet/hisilicon/hip04_eth.c @@ -943,6 +943,7 @@ static int hip04_mac_probe(struct platform_device *pdev) priv->tx_coalesce_timer.function = tx_done; priv->map = syscon_node_to_regmap(arg.np); + of_node_put(arg.np); if (IS_ERR(priv->map)) { dev_warn(d, "no syscon hisilicon,hip04-ppe\n"); ret = PTR_ERR(priv->map); From 1245542856809a30d5e18d6e6bb18174237a9e54 Mon Sep 17 00:00:00 2001 From: Krzysztof Kozlowski Date: Tue, 27 Aug 2024 16:44:20 +0200 Subject: [PATCH 299/649] net: hisilicon: hns_dsaf_mac: fix OF node leak in hns_mac_get_info() [ Upstream commit 5680cf8d34e1552df987e2f4bb1bff0b2a8c8b11 ] Driver is leaking OF node reference from of_parse_phandle_with_fixed_args() in hns_mac_get_info(). Signed-off-by: Krzysztof Kozlowski Reviewed-by: Simon Horman Link: https://patch.msgid.link/20240827144421.52852-3-krzysztof.kozlowski@linaro.org Signed-off-by: Jakub Kicinski Signed-off-by: Sasha Levin --- drivers/net/ethernet/hisilicon/hns/hns_dsaf_mac.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/net/ethernet/hisilicon/hns/hns_dsaf_mac.c b/drivers/net/ethernet/hisilicon/hns/hns_dsaf_mac.c index 1f44a6463f45..5929ac50e351 100644 --- a/drivers/net/ethernet/hisilicon/hns/hns_dsaf_mac.c +++ b/drivers/net/ethernet/hisilicon/hns/hns_dsaf_mac.c @@ -933,6 +933,7 @@ static int hns_mac_get_info(struct hns_mac_cb *mac_cb) mac_cb->cpld_ctrl = NULL; } else { syscon = syscon_node_to_regmap(cpld_args.np); + of_node_put(cpld_args.np); if (IS_ERR_OR_NULL(syscon)) { dev_dbg(mac_cb->dev, "no cpld-syscon found!\n"); mac_cb->cpld_ctrl = NULL; From 4440bac6f0ca1f1ed2f5271c8391ce103a6feabd Mon Sep 17 00:00:00 2001 From: Krzysztof Kozlowski Date: Tue, 27 Aug 2024 16:44:21 +0200 Subject: [PATCH 300/649] net: hisilicon: hns_mdio: fix OF node leak in probe() [ Upstream commit e62beddc45f487b9969821fad3a0913d9bc18a2f ] Driver is leaking OF node reference from of_parse_phandle_with_fixed_args() in probe(). Signed-off-by: Krzysztof Kozlowski Reviewed-by: Simon Horman Link: https://patch.msgid.link/20240827144421.52852-4-krzysztof.kozlowski@linaro.org Signed-off-by: Jakub Kicinski Signed-off-by: Sasha Levin --- drivers/net/ethernet/hisilicon/hns_mdio.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/net/ethernet/hisilicon/hns_mdio.c b/drivers/net/ethernet/hisilicon/hns_mdio.c index 883d0d7c6858..229288dbe708 100644 --- a/drivers/net/ethernet/hisilicon/hns_mdio.c +++ b/drivers/net/ethernet/hisilicon/hns_mdio.c @@ -497,6 +497,7 @@ static int hns_mdio_probe(struct platform_device *pdev) MDIO_SC_RESET_ST; } } + of_node_put(reg_args.np); } else { dev_warn(&pdev->dev, "find syscon ret = %#x\n", ret); mdio_dev->subctrl_vbase = NULL; From 62b8a46ba8bbe988dd88f57c713eff10357ca87b Mon Sep 17 00:00:00 2001 From: Dmitry Antipov Date: Wed, 4 Sep 2024 14:54:01 +0300 Subject: [PATCH 301/649] net: sched: consistently use rcu_replace_pointer() in taprio_change() [ Upstream commit d5c4546062fd6f5dbce575c7ea52ad66d1968678 ] According to Vinicius (and carefully looking through the whole https://syzkaller.appspot.com/bug?extid=b65e0af58423fc8a73aa once again), txtime branch of 'taprio_change()' is not going to race against 'advance_sched()'. But using 'rcu_replace_pointer()' in the former may be a good idea as well. Suggested-by: Vinicius Costa Gomes Signed-off-by: Dmitry Antipov Acked-by: Vinicius Costa Gomes Signed-off-by: David S. Miller Signed-off-by: Sasha Levin --- net/sched/sch_taprio.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/net/sched/sch_taprio.c b/net/sched/sch_taprio.c index ec6b24edf5f9..04ed23b5f21b 100644 --- a/net/sched/sch_taprio.c +++ b/net/sched/sch_taprio.c @@ -1577,7 +1577,9 @@ static int taprio_change(struct Qdisc *sch, struct nlattr *opt, goto unlock; } - rcu_assign_pointer(q->admin_sched, new_admin); + /* Not going to race against advance_sched(), but still */ + admin = rcu_replace_pointer(q->admin_sched, new_admin, + lockdep_rtnl_is_held()); if (admin) call_rcu(&admin->rcu, taprio_free_sched_cb); } else { From 30cd2158f249e0db5f34ea916e4c201543339616 Mon Sep 17 00:00:00 2001 From: Armin Wolf Date: Wed, 3 Apr 2024 20:50:11 +0200 Subject: [PATCH 302/649] ACPICA: Fix memory leak if acpi_ps_get_next_namepath() fails [ Upstream commit 5accb265f7a1b23e52b0ec42313d1e12895552f4 ] ACPICA commit 2802af722bbde7bf1a7ac68df68e179e2555d361 If acpi_ps_get_next_namepath() fails, the previously allocated union acpi_parse_object needs to be freed before returning the status code. The issue was first being reported on the Linux ACPI mailing list: Link: https://lore.kernel.org/linux-acpi/56f94776-484f-48c0-8855-dba8e6a7793b@yandex.ru/T/ Link: https://github.com/acpica/acpica/commit/2802af72 Signed-off-by: Armin Wolf Signed-off-by: Rafael J. Wysocki Signed-off-by: Sasha Levin --- drivers/acpi/acpica/psargs.c | 8 ++++++++ 1 file changed, 8 insertions(+) diff --git a/drivers/acpi/acpica/psargs.c b/drivers/acpi/acpica/psargs.c index 3b40db4ad9f3..a56d8708cb8e 100644 --- a/drivers/acpi/acpica/psargs.c +++ b/drivers/acpi/acpica/psargs.c @@ -820,6 +820,10 @@ acpi_ps_get_next_arg(struct acpi_walk_state *walk_state, acpi_ps_get_next_namepath(walk_state, parser_state, arg, ACPI_NOT_METHOD_CALL); + if (ACPI_FAILURE(status)) { + acpi_ps_free_op(arg); + return_ACPI_STATUS(status); + } } else { /* Single complex argument, nothing returned */ @@ -854,6 +858,10 @@ acpi_ps_get_next_arg(struct acpi_walk_state *walk_state, acpi_ps_get_next_namepath(walk_state, parser_state, arg, ACPI_POSSIBLE_METHOD_CALL); + if (ACPI_FAILURE(status)) { + acpi_ps_free_op(arg); + return_ACPI_STATUS(status); + } if (arg->common.aml_opcode == AML_INT_METHODCALL_OP) { From 1f61d509257d6a05763d05bf37943b35306522b1 Mon Sep 17 00:00:00 2001 From: Konstantin Ovsepian Date: Thu, 22 Aug 2024 08:41:36 -0700 Subject: [PATCH 303/649] blk_iocost: fix more out of bound shifts [ Upstream commit 9bce8005ec0dcb23a58300e8522fe4a31da606fa ] Recently running UBSAN caught few out of bound shifts in the ioc_forgive_debts() function: UBSAN: shift-out-of-bounds in block/blk-iocost.c:2142:38 shift exponent 80 is too large for 64-bit type 'u64' (aka 'unsigned long long') ... UBSAN: shift-out-of-bounds in block/blk-iocost.c:2144:30 shift exponent 80 is too large for 64-bit type 'u64' (aka 'unsigned long long') ... Call Trace: dump_stack_lvl+0xca/0x130 __ubsan_handle_shift_out_of_bounds+0x22c/0x280 ? __lock_acquire+0x6441/0x7c10 ioc_timer_fn+0x6cec/0x7750 ? blk_iocost_init+0x720/0x720 ? call_timer_fn+0x5d/0x470 call_timer_fn+0xfa/0x470 ? blk_iocost_init+0x720/0x720 __run_timer_base+0x519/0x700 ... Actual impact of this issue was not identified but I propose to fix the undefined behaviour. The proposed fix to prevent those out of bound shifts consist of precalculating exponent before using it the shift operations by taking min value from the actual exponent and maximum possible number of bits. Reported-by: Breno Leitao Signed-off-by: Konstantin Ovsepian Acked-by: Tejun Heo Link: https://lore.kernel.org/r/20240822154137.2627818-1-ovs@ovs.to Signed-off-by: Jens Axboe Signed-off-by: Sasha Levin --- block/blk-iocost.c | 8 +++++--- 1 file changed, 5 insertions(+), 3 deletions(-) diff --git a/block/blk-iocost.c b/block/blk-iocost.c index fe5b0c79e541..7d56506eb8ff 100644 --- a/block/blk-iocost.c +++ b/block/blk-iocost.c @@ -2022,7 +2022,7 @@ static void ioc_forgive_debts(struct ioc *ioc, u64 usage_us_sum, int nr_debtors, struct ioc_now *now) { struct ioc_gq *iocg; - u64 dur, usage_pct, nr_cycles; + u64 dur, usage_pct, nr_cycles, nr_cycles_shift; /* if no debtor, reset the cycle */ if (!nr_debtors) { @@ -2084,10 +2084,12 @@ static void ioc_forgive_debts(struct ioc *ioc, u64 usage_us_sum, int nr_debtors, old_debt = iocg->abs_vdebt; old_delay = iocg->delay; + nr_cycles_shift = min_t(u64, nr_cycles, BITS_PER_LONG - 1); if (iocg->abs_vdebt) - iocg->abs_vdebt = iocg->abs_vdebt >> nr_cycles ?: 1; + iocg->abs_vdebt = iocg->abs_vdebt >> nr_cycles_shift ?: 1; + if (iocg->delay) - iocg->delay = iocg->delay >> nr_cycles ?: 1; + iocg->delay = iocg->delay >> nr_cycles_shift ?: 1; iocg_kick_waitq(iocg, true, now); From 74c63fd016bc030fb64393050ab24ad2e060ca8f Mon Sep 17 00:00:00 2001 From: Armin Wolf Date: Sun, 14 Apr 2024 21:50:33 +0200 Subject: [PATCH 304/649] ACPICA: Fix memory leak if acpi_ps_get_next_field() fails [ Upstream commit e6169a8ffee8a012badd8c703716e761ce851b15 ] ACPICA commit 1280045754264841b119a5ede96cd005bc09b5a7 If acpi_ps_get_next_field() fails, the previously created field list needs to be properly disposed before returning the status code. Link: https://github.com/acpica/acpica/commit/12800457 Signed-off-by: Armin Wolf [ rjw: Rename local variable to avoid compiler confusion ] Signed-off-by: Rafael J. Wysocki Signed-off-by: Sasha Levin --- drivers/acpi/acpica/psargs.c | 39 ++++++++++++++++++++++++++++++++++++ 1 file changed, 39 insertions(+) diff --git a/drivers/acpi/acpica/psargs.c b/drivers/acpi/acpica/psargs.c index a56d8708cb8e..7a1120262a14 100644 --- a/drivers/acpi/acpica/psargs.c +++ b/drivers/acpi/acpica/psargs.c @@ -25,6 +25,8 @@ acpi_ps_get_next_package_length(struct acpi_parse_state *parser_state); static union acpi_parse_object *acpi_ps_get_next_field(struct acpi_parse_state *parser_state); +static void acpi_ps_free_field_list(union acpi_parse_object *start); + /******************************************************************************* * * FUNCTION: acpi_ps_get_next_package_length @@ -683,6 +685,39 @@ static union acpi_parse_object *acpi_ps_get_next_field(struct acpi_parse_state return_PTR(field); } +/******************************************************************************* + * + * FUNCTION: acpi_ps_free_field_list + * + * PARAMETERS: start - First Op in field list + * + * RETURN: None. + * + * DESCRIPTION: Free all Op objects inside a field list. + * + ******************************************************************************/ + +static void acpi_ps_free_field_list(union acpi_parse_object *start) +{ + union acpi_parse_object *cur = start; + union acpi_parse_object *next; + union acpi_parse_object *arg; + + while (cur) { + next = cur->common.next; + + /* AML_INT_CONNECTION_OP can have a single argument */ + + arg = acpi_ps_get_arg(cur, 0); + if (arg) { + acpi_ps_free_op(arg); + } + + acpi_ps_free_op(cur); + cur = next; + } +} + /******************************************************************************* * * FUNCTION: acpi_ps_get_next_arg @@ -751,6 +786,10 @@ acpi_ps_get_next_arg(struct acpi_walk_state *walk_state, while (parser_state->aml < parser_state->pkg_end) { field = acpi_ps_get_next_field(parser_state); if (!field) { + if (arg) { + acpi_ps_free_field_list(arg); + } + return_ACPI_STATUS(AE_NO_MEMORY); } From 0f26f26944035ec67546a944f182cbad6577a9c0 Mon Sep 17 00:00:00 2001 From: Karthikeyan Periyasamy Date: Thu, 4 Jul 2024 12:38:11 +0530 Subject: [PATCH 305/649] wifi: ath11k: fix array out-of-bound access in SoC stats [ Upstream commit 69f253e46af98af17e3efa3e5dfa72fcb7d1983d ] Currently, the ath11k_soc_dp_stats::hal_reo_error array is defined with a maximum size of DP_REO_DST_RING_MAX. However, the ath11k_dp_process_rx() function access ath11k_soc_dp_stats::hal_reo_error using the REO destination SRNG ring ID, which is incorrect. SRNG ring ID differ from normal ring ID, and this usage leads to out-of-bounds array access. To fix this issue, modify ath11k_dp_process_rx() to use the normal ring ID directly instead of the SRNG ring ID to avoid out-of-bounds array access. Tested-on: QCN9074 hw1.0 PCI WLAN.HK.2.7.0.1-01744-QCAHKSWPL_SILICONZ-1 Signed-off-by: Karthikeyan Periyasamy Signed-off-by: Kalle Valo Link: https://patch.msgid.link/20240704070811.4186543-3-quic_periyasa@quicinc.com Signed-off-by: Sasha Levin --- drivers/net/wireless/ath/ath11k/dp_rx.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/net/wireless/ath/ath11k/dp_rx.c b/drivers/net/wireless/ath/ath11k/dp_rx.c index 6c4b84282e44..720c94806e1a 100644 --- a/drivers/net/wireless/ath/ath11k/dp_rx.c +++ b/drivers/net/wireless/ath/ath11k/dp_rx.c @@ -2621,7 +2621,7 @@ int ath11k_dp_process_rx(struct ath11k_base *ab, int ring_id, if (push_reason != HAL_REO_DEST_RING_PUSH_REASON_ROUTING_INSTRUCTION) { dev_kfree_skb_any(msdu); - ab->soc_stats.hal_reo_error[dp->reo_dst_ring[ring_id].ring_id]++; + ab->soc_stats.hal_reo_error[ring_id]++; continue; } From 7cd004102b7d6c603578d7ab8d9591364ab6d0ff Mon Sep 17 00:00:00 2001 From: Zong-Zhe Yang Date: Thu, 18 Jul 2024 15:06:15 +0800 Subject: [PATCH 306/649] wifi: rtw88: select WANT_DEV_COREDUMP [ Upstream commit 7e989b0c1e33210c07340bf5228aa83ea52515b5 ] We have invoked device coredump when fw crash. Should select WANT_DEV_COREDUMP by ourselves. Signed-off-by: Zong-Zhe Yang Signed-off-by: Ping-Ke Shih Link: https://patch.msgid.link/20240718070616.42217-1-pkshih@realtek.com Signed-off-by: Sasha Levin --- drivers/net/wireless/realtek/rtw88/Kconfig | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/net/wireless/realtek/rtw88/Kconfig b/drivers/net/wireless/realtek/rtw88/Kconfig index e3d7cb6c1290..5c18da555681 100644 --- a/drivers/net/wireless/realtek/rtw88/Kconfig +++ b/drivers/net/wireless/realtek/rtw88/Kconfig @@ -12,6 +12,7 @@ if RTW88 config RTW88_CORE tristate + select WANT_DEV_COREDUMP config RTW88_PCI tristate From a40e7a2b805ef22cac6e5845837f6762b1c3765a Mon Sep 17 00:00:00 2001 From: "Rafael J. Wysocki" Date: Thu, 4 Jul 2024 18:26:54 +0200 Subject: [PATCH 307/649] ACPI: EC: Do not release locks during operation region accesses [ Upstream commit dc171114926ec390ab90f46534545420ec03e458 ] It is not particularly useful to release locks (the EC mutex and the ACPI global lock, if present) and re-acquire them immediately thereafter during EC address space accesses in acpi_ec_space_handler(). First, releasing them for a while before grabbing them again does not really help anyone because there may not be enough time for another thread to acquire them. Second, if another thread successfully acquires them and carries out a new EC write or read in the middle if an operation region access in progress, it may confuse the EC firmware, especially after the burst mode has been enabled. Finally, manipulating the locks after writing or reading every single byte of data is overhead that it is better to avoid. Accordingly, modify the code to carry out EC address space accesses entirely without releasing the locks. Signed-off-by: Rafael J. Wysocki Reviewed-by: Hans de Goede Link: https://patch.msgid.link/12473338.O9o76ZdvQC@rjwysocki.net Signed-off-by: Sasha Levin --- drivers/acpi/ec.c | 55 +++++++++++++++++++++++++++++++++++++++++------ 1 file changed, 49 insertions(+), 6 deletions(-) diff --git a/drivers/acpi/ec.c b/drivers/acpi/ec.c index 01a6400c3234..b20206316fbe 100644 --- a/drivers/acpi/ec.c +++ b/drivers/acpi/ec.c @@ -786,6 +786,9 @@ static int acpi_ec_transaction_unlocked(struct acpi_ec *ec, unsigned long tmp; int ret = 0; + if (t->rdata) + memset(t->rdata, 0, t->rlen); + /* start transaction */ spin_lock_irqsave(&ec->lock, tmp); /* Enable GPE for command processing (IBF=0/OBF=1) */ @@ -822,8 +825,6 @@ static int acpi_ec_transaction(struct acpi_ec *ec, struct transaction *t) if (!ec || (!t) || (t->wlen && !t->wdata) || (t->rlen && !t->rdata)) return -EINVAL; - if (t->rdata) - memset(t->rdata, 0, t->rlen); mutex_lock(&ec->mutex); if (ec->global_lock) { @@ -850,7 +851,7 @@ static int acpi_ec_burst_enable(struct acpi_ec *ec) .wdata = NULL, .rdata = &d, .wlen = 0, .rlen = 1}; - return acpi_ec_transaction(ec, &t); + return acpi_ec_transaction_unlocked(ec, &t); } static int acpi_ec_burst_disable(struct acpi_ec *ec) @@ -860,7 +861,7 @@ static int acpi_ec_burst_disable(struct acpi_ec *ec) .wlen = 0, .rlen = 0}; return (acpi_ec_read_status(ec) & ACPI_EC_FLAG_BURST) ? - acpi_ec_transaction(ec, &t) : 0; + acpi_ec_transaction_unlocked(ec, &t) : 0; } static int acpi_ec_read(struct acpi_ec *ec, u8 address, u8 *data) @@ -876,6 +877,19 @@ static int acpi_ec_read(struct acpi_ec *ec, u8 address, u8 *data) return result; } +static int acpi_ec_read_unlocked(struct acpi_ec *ec, u8 address, u8 *data) +{ + int result; + u8 d; + struct transaction t = {.command = ACPI_EC_COMMAND_READ, + .wdata = &address, .rdata = &d, + .wlen = 1, .rlen = 1}; + + result = acpi_ec_transaction_unlocked(ec, &t); + *data = d; + return result; +} + static int acpi_ec_write(struct acpi_ec *ec, u8 address, u8 data) { u8 wdata[2] = { address, data }; @@ -886,6 +900,16 @@ static int acpi_ec_write(struct acpi_ec *ec, u8 address, u8 data) return acpi_ec_transaction(ec, &t); } +static int acpi_ec_write_unlocked(struct acpi_ec *ec, u8 address, u8 data) +{ + u8 wdata[2] = { address, data }; + struct transaction t = {.command = ACPI_EC_COMMAND_WRITE, + .wdata = wdata, .rdata = NULL, + .wlen = 2, .rlen = 0}; + + return acpi_ec_transaction_unlocked(ec, &t); +} + int ec_read(u8 addr, u8 *val) { int err; @@ -1306,6 +1330,7 @@ acpi_ec_space_handler(u32 function, acpi_physical_address address, struct acpi_ec *ec = handler_context; int result = 0, i, bytes = bits / 8; u8 *value = (u8 *)value64; + u32 glk; if ((address > 0xFF) || !value || !handler_context) return AE_BAD_PARAMETER; @@ -1313,13 +1338,25 @@ acpi_ec_space_handler(u32 function, acpi_physical_address address, if (function != ACPI_READ && function != ACPI_WRITE) return AE_BAD_PARAMETER; + mutex_lock(&ec->mutex); + + if (ec->global_lock) { + acpi_status status; + + status = acpi_acquire_global_lock(ACPI_EC_UDELAY_GLK, &glk); + if (ACPI_FAILURE(status)) { + result = -ENODEV; + goto unlock; + } + } + if (ec->busy_polling || bits > 8) acpi_ec_burst_enable(ec); for (i = 0; i < bytes; ++i, ++address, ++value) { result = (function == ACPI_READ) ? - acpi_ec_read(ec, address, value) : - acpi_ec_write(ec, address, *value); + acpi_ec_read_unlocked(ec, address, value) : + acpi_ec_write_unlocked(ec, address, *value); if (result < 0) break; } @@ -1327,6 +1364,12 @@ acpi_ec_space_handler(u32 function, acpi_physical_address address, if (ec->busy_polling || bits > 8) acpi_ec_burst_disable(ec); + if (ec->global_lock) + acpi_release_global_lock(glk); + +unlock: + mutex_unlock(&ec->mutex); + switch (result) { case -EINVAL: return AE_BAD_PARAMETER; From cbb67e245dacd02b5e1d82733892647df1523982 Mon Sep 17 00:00:00 2001 From: Pei Xiao Date: Thu, 18 Jul 2024 14:05:48 +0800 Subject: [PATCH 308/649] ACPICA: check null return of ACPI_ALLOCATE_ZEROED() in acpi_db_convert_to_package() [ Upstream commit a5242874488eba2b9062985bf13743c029821330 ] ACPICA commit 4d4547cf13cca820ff7e0f859ba83e1a610b9fd0 ACPI_ALLOCATE_ZEROED() may fail, elements might be NULL and will cause NULL pointer dereference later. Link: https://github.com/acpica/acpica/commit/4d4547cf Signed-off-by: Pei Xiao Link: https://patch.msgid.link/tencent_4A21A2865B8B0A0D12CAEBEB84708EDDB505@qq.com [ rjw: Subject and changelog edits ] Signed-off-by: Rafael J. Wysocki Signed-off-by: Sasha Levin --- drivers/acpi/acpica/dbconvert.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/drivers/acpi/acpica/dbconvert.c b/drivers/acpi/acpica/dbconvert.c index 2b84ac093698..8dbab6932049 100644 --- a/drivers/acpi/acpica/dbconvert.c +++ b/drivers/acpi/acpica/dbconvert.c @@ -174,6 +174,8 @@ acpi_status acpi_db_convert_to_package(char *string, union acpi_object *object) elements = ACPI_ALLOCATE_ZEROED(DB_DEFAULT_PKG_ELEMENTS * sizeof(union acpi_object)); + if (!elements) + return (AE_NO_MEMORY); this = string; for (i = 0; i < (DB_DEFAULT_PKG_ELEMENTS - 1); i++) { From e2b2558971e02ca33eb637a8350d68a48b3e8e46 Mon Sep 17 00:00:00 2001 From: Simon Horman Date: Thu, 1 Aug 2024 19:35:37 +0100 Subject: [PATCH 309/649] tipc: guard against string buffer overrun [ Upstream commit 6555a2a9212be6983d2319d65276484f7c5f431a ] Smatch reports that copying media_name and if_name to name_parts may overwrite the destination. .../bearer.c:166 bearer_name_validate() error: strcpy() 'media_name' too large for 'name_parts->media_name' (32 vs 16) .../bearer.c:167 bearer_name_validate() error: strcpy() 'if_name' too large for 'name_parts->if_name' (1010102 vs 16) This does seem to be the case so guard against this possibility by using strscpy() and failing if truncation occurs. Introduced by commit b97bf3fd8f6a ("[TIPC] Initial merge") Compile tested only. Reviewed-by: Jakub Kicinski Signed-off-by: Simon Horman Link: https://patch.msgid.link/20240801-tipic-overrun-v2-1-c5b869d1f074@kernel.org Signed-off-by: Jakub Kicinski Signed-off-by: Sasha Levin --- net/tipc/bearer.c | 8 ++++++-- 1 file changed, 6 insertions(+), 2 deletions(-) diff --git a/net/tipc/bearer.c b/net/tipc/bearer.c index 2511718b8f3f..69dfb0431008 100644 --- a/net/tipc/bearer.c +++ b/net/tipc/bearer.c @@ -161,8 +161,12 @@ static int bearer_name_validate(const char *name, /* return bearer name components, if necessary */ if (name_parts) { - strcpy(name_parts->media_name, media_name); - strcpy(name_parts->if_name, if_name); + if (strscpy(name_parts->media_name, media_name, + TIPC_MAX_MEDIA_NAME) < 0) + return 0; + if (strscpy(name_parts->if_name, if_name, + TIPC_MAX_IF_NAME) < 0) + return 0; } return 1; } From bf60b4f587963f2af6c6159e89dc4aca7031606c Mon Sep 17 00:00:00 2001 From: Simon Horman Date: Tue, 6 Aug 2024 12:28:24 +0100 Subject: [PATCH 310/649] net: mvpp2: Increase size of queue_name buffer [ Upstream commit 91d516d4de48532d967a77967834e00c8c53dfe6 ] Increase size of queue_name buffer from 30 to 31 to accommodate the largest string written to it. This avoids truncation in the possibly unlikely case where the string is name is the maximum size. Flagged by gcc-14: .../mvpp2_main.c: In function 'mvpp2_probe': .../mvpp2_main.c:7636:32: warning: 'snprintf' output may be truncated before the last format character [-Wformat-truncation=] 7636 | "stats-wq-%s%s", netdev_name(priv->port_list[0]->dev), | ^ .../mvpp2_main.c:7635:9: note: 'snprintf' output between 10 and 31 bytes into a destination of size 30 7635 | snprintf(priv->queue_name, sizeof(priv->queue_name), | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ 7636 | "stats-wq-%s%s", netdev_name(priv->port_list[0]->dev), | ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ 7637 | priv->port_count > 1 ? "+" : ""); | ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ Introduced by commit 118d6298f6f0 ("net: mvpp2: add ethtool GOP statistics"). I am not flagging this as a bug as I am not aware that it is one. Compile tested only. Signed-off-by: Simon Horman Reviewed-by: Marcin Wojtas Link: https://patch.msgid.link/20240806-mvpp2-namelen-v1-1-6dc773653f2f@kernel.org Signed-off-by: Jakub Kicinski Signed-off-by: Sasha Levin --- drivers/net/ethernet/marvell/mvpp2/mvpp2.h | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/net/ethernet/marvell/mvpp2/mvpp2.h b/drivers/net/ethernet/marvell/mvpp2/mvpp2.h index e999ac2de34e..40a9d10c56cd 100644 --- a/drivers/net/ethernet/marvell/mvpp2/mvpp2.h +++ b/drivers/net/ethernet/marvell/mvpp2/mvpp2.h @@ -999,7 +999,7 @@ struct mvpp2 { unsigned int max_port_rxqs; /* Workqueue to gather hardware statistics */ - char queue_name[30]; + char queue_name[31]; struct workqueue_struct *stats_queue; /* Debugfs root entry */ From 669d337aa1f609aa9c07fe4557f1f30fb955df97 Mon Sep 17 00:00:00 2001 From: Kuniyuki Iwashima Date: Fri, 9 Aug 2024 16:54:02 -0700 Subject: [PATCH 311/649] ipv4: Check !in_dev earlier for ioctl(SIOCSIFADDR). [ Upstream commit e3af3d3c5b26c33a7950e34e137584f6056c4319 ] dev->ip_ptr could be NULL if we set an invalid MTU. Even then, if we issue ioctl(SIOCSIFADDR) for a new IPv4 address, devinet_ioctl() allocates struct in_ifaddr and fails later in inet_set_ifa() because in_dev is NULL. Let's move the check earlier. Signed-off-by: Kuniyuki Iwashima Link: https://patch.msgid.link/20240809235406.50187-2-kuniyu@amazon.com Signed-off-by: Jakub Kicinski Signed-off-by: Sasha Levin --- net/ipv4/devinet.c | 6 ++---- 1 file changed, 2 insertions(+), 4 deletions(-) diff --git a/net/ipv4/devinet.c b/net/ipv4/devinet.c index 9ac7d47d27b8..7868f316a477 100644 --- a/net/ipv4/devinet.c +++ b/net/ipv4/devinet.c @@ -566,10 +566,6 @@ static int inet_set_ifa(struct net_device *dev, struct in_ifaddr *ifa) ASSERT_RTNL(); - if (!in_dev) { - inet_free_ifa(ifa); - return -ENOBUFS; - } ipv4_devconf_setall(in_dev); neigh_parms_data_state_setall(in_dev->arp_parms); if (ifa->ifa_dev != in_dev) { @@ -1150,6 +1146,8 @@ int devinet_ioctl(struct net *net, unsigned int cmd, struct ifreq *ifr) if (!ifa) { ret = -ENOBUFS; + if (!in_dev) + break; ifa = inet_alloc_ifa(); if (!ifa) break; From a479b653d5e46056bc4cc78cfa73ddc26a39682b Mon Sep 17 00:00:00 2001 From: Ido Schimmel Date: Wed, 14 Aug 2024 15:52:22 +0300 Subject: [PATCH 312/649] ipv4: Mask upper DSCP bits and ECN bits in NETLINK_FIB_LOOKUP family [ Upstream commit 8fed54758cd248cd311a2b5c1e180abef1866237 ] The NETLINK_FIB_LOOKUP netlink family can be used to perform a FIB lookup according to user provided parameters and communicate the result back to user space. However, unlike other users of the FIB lookup API, the upper DSCP bits and the ECN bits of the DS field are not masked, which can result in the wrong result being returned. Solve this by masking the upper DSCP bits and the ECN bits using IPTOS_RT_MASK. The structure that communicates the request and the response is not exported to user space, so it is unlikely that this netlink family is actually in use [1]. [1] https://lore.kernel.org/netdev/ZpqpB8vJU%2FQ6LSqa@debian/ Signed-off-by: Ido Schimmel Reviewed-by: Guillaume Nault Signed-off-by: Paolo Abeni Signed-off-by: Sasha Levin --- net/ipv4/fib_frontend.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/net/ipv4/fib_frontend.c b/net/ipv4/fib_frontend.c index 41f890bf9d4c..0394146f813c 100644 --- a/net/ipv4/fib_frontend.c +++ b/net/ipv4/fib_frontend.c @@ -1334,7 +1334,7 @@ static void nl_fib_lookup(struct net *net, struct fib_result_nl *frn) struct flowi4 fl4 = { .flowi4_mark = frn->fl_mark, .daddr = frn->fl_addr, - .flowi4_tos = frn->fl_tos, + .flowi4_tos = frn->fl_tos & IPTOS_RT_MASK, .flowi4_scope = frn->fl_scope, }; struct fib_table *tb; From b7cbdd6b1bcd755c0c29df822421b9994ece8b6f Mon Sep 17 00:00:00 2001 From: Simon Horman Date: Wed, 21 Aug 2024 16:58:57 +0100 Subject: [PATCH 313/649] net: atlantic: Avoid warning about potential string truncation MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit [ Upstream commit 5874e0c9f25661c2faefe4809907166defae3d7f ] W=1 builds with GCC 14.2.0 warn that: .../aq_ethtool.c:278:59: warning: ‘%d’ directive output may be truncated writing between 1 and 11 bytes into a region of size 6 [-Wformat-truncation=] 278 | snprintf(tc_string, 8, "TC%d ", tc); | ^~ .../aq_ethtool.c:278:56: note: directive argument in the range [-2147483641, 254] 278 | snprintf(tc_string, 8, "TC%d ", tc); | ^~~~~~~ .../aq_ethtool.c:278:33: note: ‘snprintf’ output between 5 and 15 bytes into a destination of size 8 278 | snprintf(tc_string, 8, "TC%d ", tc); | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ tc is always in the range 0 - cfg->tcs. And as cfg->tcs is a u8, the range is 0 - 255. Further, on inspecting the code, it seems that cfg->tcs will never be more than AQ_CFG_TCS_MAX (8), so the range is actually 0 - 8. So, it seems that the condition that GCC flags will not occur. But, nonetheless, it would be nice if it didn't emit the warning. It seems that this can be achieved by changing the format specifier from %d to %u, in which case I believe GCC recognises an upper bound on the range of tc of 0 - 255. After some experimentation I think this is due to the combination of the use of %u and the type of cfg->tcs (u8). Empirically, updating the type of the tc variable to unsigned int has the same effect. As both of these changes seem to make sense in relation to what the code is actually doing - iterating over unsigned values - do both. Compile tested only. Signed-off-by: Simon Horman Link: https://patch.msgid.link/20240821-atlantic-str-v1-1-fa2cfe38ca00@kernel.org Signed-off-by: Jakub Kicinski Signed-off-by: Sasha Levin --- drivers/net/ethernet/aquantia/atlantic/aq_ethtool.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/net/ethernet/aquantia/atlantic/aq_ethtool.c b/drivers/net/ethernet/aquantia/atlantic/aq_ethtool.c index 1d512e6a89f5..c6d9da0bb010 100644 --- a/drivers/net/ethernet/aquantia/atlantic/aq_ethtool.c +++ b/drivers/net/ethernet/aquantia/atlantic/aq_ethtool.c @@ -256,7 +256,7 @@ static void aq_ethtool_get_strings(struct net_device *ndev, const int rx_stat_cnt = ARRAY_SIZE(aq_ethtool_queue_rx_stat_names); const int tx_stat_cnt = ARRAY_SIZE(aq_ethtool_queue_tx_stat_names); char tc_string[8]; - int tc; + unsigned int tc; memset(tc_string, 0, sizeof(tc_string)); memcpy(p, aq_ethtool_stat_names, @@ -265,7 +265,7 @@ static void aq_ethtool_get_strings(struct net_device *ndev, for (tc = 0; tc < cfg->tcs; tc++) { if (cfg->is_qos) - snprintf(tc_string, 8, "TC%d ", tc); + snprintf(tc_string, 8, "TC%u ", tc); for (i = 0; i < cfg->vecs; i++) { for (si = 0; si < rx_stat_cnt; si++) { From 95a91802e4efecce68680034595d1a20b57198d8 Mon Sep 17 00:00:00 2001 From: Jason Xing Date: Fri, 23 Aug 2024 08:11:52 +0800 Subject: [PATCH 314/649] tcp: avoid reusing FIN_WAIT2 when trying to find port in connect() process [ Upstream commit 0d9e5df4a257afc3a471a82961ace9a22b88295a ] We found that one close-wait socket was reset by the other side due to a new connection reusing the same port which is beyond our expectation, so we have to investigate the underlying reason. The following experiment is conducted in the test environment. We limit the port range from 40000 to 40010 and delay the time to close() after receiving a fin from the active close side, which can help us easily reproduce like what happened in production. Here are three connections captured by tcpdump: 127.0.0.1.40002 > 127.0.0.1.9999: Flags [S], seq 2965525191 127.0.0.1.9999 > 127.0.0.1.40002: Flags [S.], seq 2769915070 127.0.0.1.40002 > 127.0.0.1.9999: Flags [.], ack 1 127.0.0.1.40002 > 127.0.0.1.9999: Flags [F.], seq 1, ack 1 // a few seconds later, within 60 seconds 127.0.0.1.40002 > 127.0.0.1.9999: Flags [S], seq 2965590730 127.0.0.1.9999 > 127.0.0.1.40002: Flags [.], ack 2 127.0.0.1.40002 > 127.0.0.1.9999: Flags [R], seq 2965525193 // later, very quickly 127.0.0.1.40002 > 127.0.0.1.9999: Flags [S], seq 2965590730 127.0.0.1.9999 > 127.0.0.1.40002: Flags [S.], seq 3120990805 127.0.0.1.40002 > 127.0.0.1.9999: Flags [.], ack 1 As we can see, the first flow is reset because: 1) client starts a new connection, I mean, the second one 2) client tries to find a suitable port which is a timewait socket (its state is timewait, substate is fin_wait2) 3) client occupies that timewait port to send a SYN 4) server finds a corresponding close-wait socket in ehash table, then replies with a challenge ack 5) client sends an RST to terminate this old close-wait socket. I don't think the port selection algo can choose a FIN_WAIT2 socket when we turn on tcp_tw_reuse because on the server side there remain unread data. In some cases, if one side haven't call close() yet, we should not consider it as expendable and treat it at will. Even though, sometimes, the server isn't able to call close() as soon as possible like what we expect, it can not be terminated easily, especially due to a second unrelated connection happening. After this patch, we can see the expected failure if we start a connection when all the ports are occupied in fin_wait2 state: "Ncat: Cannot assign requested address." Reported-by: Jade Dong Signed-off-by: Jason Xing Reviewed-by: Eric Dumazet Link: https://patch.msgid.link/20240823001152.31004-1-kerneljasonxing@gmail.com Signed-off-by: Jakub Kicinski Signed-off-by: Sasha Levin --- net/ipv4/tcp_ipv4.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/net/ipv4/tcp_ipv4.c b/net/ipv4/tcp_ipv4.c index 0e7179a19e22..3dfa856e9926 100644 --- a/net/ipv4/tcp_ipv4.c +++ b/net/ipv4/tcp_ipv4.c @@ -113,6 +113,9 @@ int tcp_twsk_unique(struct sock *sk, struct sock *sktw, void *twp) const struct tcp_timewait_sock *tcptw = tcp_twsk(sktw); struct tcp_sock *tp = tcp_sk(sk); + if (tw->tw_substate == TCP_FIN_WAIT2) + reuse = 0; + if (reuse == 2) { /* Still does not detect *everything* that goes through * lo, since we require a loopback src or dst address From 02c1725eb2addb6b4b2dda91d44f8081b1faf687 Mon Sep 17 00:00:00 2001 From: Aleksandrs Vinarskis Date: Sun, 11 Aug 2024 23:33:44 +0200 Subject: [PATCH 315/649] ACPICA: iasl: handle empty connection_node [ Upstream commit a0a2459b79414584af6c46dd8c6f866d8f1aa421 ] ACPICA commit 6c551e2c9487067d4b085333e7fe97e965a11625 Link: https://github.com/acpica/acpica/commit/6c551e2c Signed-off-by: Aleksandrs Vinarskis Signed-off-by: Rafael J. Wysocki Signed-off-by: Sasha Levin --- drivers/acpi/acpica/exprep.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/drivers/acpi/acpica/exprep.c b/drivers/acpi/acpica/exprep.c index 4a0f03157e08..ab500f31c96e 100644 --- a/drivers/acpi/acpica/exprep.c +++ b/drivers/acpi/acpica/exprep.c @@ -437,6 +437,9 @@ acpi_status acpi_ex_prep_field_value(struct acpi_create_field_info *info) if (info->connection_node) { second_desc = info->connection_node->object; + if (second_desc == NULL) { + break; + } if (!(second_desc->common.flags & AOPOBJ_DATA_VALID)) { status = acpi_ds_get_buffer_arguments(second_desc); From 47be40b698b9830cbb86bab09850cd9a48604f6e Mon Sep 17 00:00:00 2001 From: Adrian Ratiu Date: Fri, 2 Aug 2024 11:02:25 +0300 Subject: [PATCH 316/649] proc: add config & param to block forcing mem writes [ Upstream commit 41e8149c8892ed1962bd15350b3c3e6e90cba7f4 ] This adds a Kconfig option and boot param to allow removing the FOLL_FORCE flag from /proc/pid/mem write calls because it can be abused. The traditional forcing behavior is kept as default because it can break GDB and some other use cases. Previously we tried a more sophisticated approach allowing distributions to fine-tune /proc/pid/mem behavior, however that got NAK-ed by Linus [1], who prefers this simpler approach with semantics also easier to understand for users. Link: https://lore.kernel.org/lkml/CAHk-=wiGWLChxYmUA5HrT5aopZrB7_2VTa0NLZcxORgkUe5tEQ@mail.gmail.com/ [1] Cc: Doug Anderson Cc: Jeff Xu Cc: Jann Horn Cc: Kees Cook Cc: Ard Biesheuvel Cc: Christian Brauner Suggested-by: Linus Torvalds Signed-off-by: Linus Torvalds Signed-off-by: Adrian Ratiu Link: https://lore.kernel.org/r/20240802080225.89408-1-adrian.ratiu@collabora.com Signed-off-by: Christian Brauner Signed-off-by: Sasha Levin --- .../admin-guide/kernel-parameters.txt | 10 +++ fs/proc/base.c | 61 ++++++++++++++++++- security/Kconfig | 32 ++++++++++ 3 files changed, 102 insertions(+), 1 deletion(-) diff --git a/Documentation/admin-guide/kernel-parameters.txt b/Documentation/admin-guide/kernel-parameters.txt index 8e4882bb8cf8..097ef49b3d3a 100644 --- a/Documentation/admin-guide/kernel-parameters.txt +++ b/Documentation/admin-guide/kernel-parameters.txt @@ -4059,6 +4059,16 @@ printk.time= Show timing data prefixed to each printk message line Format: (1/Y/y=enable, 0/N/n=disable) + proc_mem.force_override= [KNL] + Format: {always | ptrace | never} + Traditionally /proc/pid/mem allows memory permissions to be + overridden without restrictions. This option may be set to + restrict that. Can be one of: + - 'always': traditional behavior always allows mem overrides. + - 'ptrace': only allow mem overrides for active ptracers. + - 'never': never allow mem overrides. + If not specified, default is the CONFIG_PROC_MEM_* choice. + processor.max_cstate= [HW,ACPI] Limit processor to maximum C-state max_cstate=9 overrides any DMI blacklist limit. diff --git a/fs/proc/base.c b/fs/proc/base.c index 712948e97991..b955ba5db72c 100644 --- a/fs/proc/base.c +++ b/fs/proc/base.c @@ -86,6 +86,7 @@ #include #include #include +#include #include #include #include @@ -115,6 +116,40 @@ static u8 nlink_tid __ro_after_init; static u8 nlink_tgid __ro_after_init; +enum proc_mem_force { + PROC_MEM_FORCE_ALWAYS, + PROC_MEM_FORCE_PTRACE, + PROC_MEM_FORCE_NEVER +}; + +static enum proc_mem_force proc_mem_force_override __ro_after_init = + IS_ENABLED(CONFIG_PROC_MEM_NO_FORCE) ? PROC_MEM_FORCE_NEVER : + IS_ENABLED(CONFIG_PROC_MEM_FORCE_PTRACE) ? PROC_MEM_FORCE_PTRACE : + PROC_MEM_FORCE_ALWAYS; + +static const struct constant_table proc_mem_force_table[] __initconst = { + { "always", PROC_MEM_FORCE_ALWAYS }, + { "ptrace", PROC_MEM_FORCE_PTRACE }, + { "never", PROC_MEM_FORCE_NEVER }, + { } +}; + +static int __init early_proc_mem_force_override(char *buf) +{ + if (!buf) + return -EINVAL; + + /* + * lookup_constant() defaults to proc_mem_force_override to preseve + * the initial Kconfig choice in case an invalid param gets passed. + */ + proc_mem_force_override = lookup_constant(proc_mem_force_table, + buf, proc_mem_force_override); + + return 0; +} +early_param("proc_mem.force_override", early_proc_mem_force_override); + struct pid_entry { const char *name; unsigned int len; @@ -832,6 +867,28 @@ static int mem_open(struct inode *inode, struct file *file) return ret; } +static bool proc_mem_foll_force(struct file *file, struct mm_struct *mm) +{ + struct task_struct *task; + bool ptrace_active = false; + + switch (proc_mem_force_override) { + case PROC_MEM_FORCE_NEVER: + return false; + case PROC_MEM_FORCE_PTRACE: + task = get_proc_task(file_inode(file)); + if (task) { + ptrace_active = READ_ONCE(task->ptrace) && + READ_ONCE(task->mm) == mm && + READ_ONCE(task->parent) == current; + put_task_struct(task); + } + return ptrace_active; + default: + return true; + } +} + static ssize_t mem_rw(struct file *file, char __user *buf, size_t count, loff_t *ppos, int write) { @@ -852,7 +909,9 @@ static ssize_t mem_rw(struct file *file, char __user *buf, if (!mmget_not_zero(mm)) goto free; - flags = FOLL_FORCE | (write ? FOLL_WRITE : 0); + flags = write ? FOLL_WRITE : 0; + if (proc_mem_foll_force(file, mm)) + flags |= FOLL_FORCE; while (count > 0) { size_t this_len = min_t(size_t, count, PAGE_SIZE); diff --git a/security/Kconfig b/security/Kconfig index 9893c316da89..b49370d4f466 100644 --- a/security/Kconfig +++ b/security/Kconfig @@ -19,6 +19,38 @@ config SECURITY_DMESG_RESTRICT If you are unsure how to answer this question, answer N. +choice + prompt "Allow /proc/pid/mem access override" + default PROC_MEM_ALWAYS_FORCE + help + Traditionally /proc/pid/mem allows users to override memory + permissions for users like ptrace, assuming they have ptrace + capability. + + This allows people to limit that - either never override, or + require actual active ptrace attachment. + + Defaults to the traditional behavior (for now) + +config PROC_MEM_ALWAYS_FORCE + bool "Traditional /proc/pid/mem behavior" + help + This allows /proc/pid/mem accesses to override memory mapping + permissions if you have ptrace access rights. + +config PROC_MEM_FORCE_PTRACE + bool "Require active ptrace() use for access override" + help + This allows /proc/pid/mem accesses to override memory mapping + permissions for active ptracers like gdb. + +config PROC_MEM_NO_FORCE + bool "Never" + help + Never override memory mapping permissions + +endchoice + config SECURITY bool "Enable different security models" depends on SYSFS From 1756918f51e9ab247a0f4782cc28853c2bb457c1 Mon Sep 17 00:00:00 2001 From: "Gustavo A. R. Silva" Date: Wed, 21 Aug 2024 15:23:51 -0600 Subject: [PATCH 317/649] wifi: mwifiex: Fix memcpy() field-spanning write warning in mwifiex_cmd_802_11_scan_ext() [ Upstream commit 498365e52bebcbc36a93279fe7e9d6aec8479cee ] Replace one-element array with a flexible-array member in `struct host_cmd_ds_802_11_scan_ext`. With this, fix the following warning: elo 16 17:51:58 surfacebook kernel: ------------[ cut here ]------------ elo 16 17:51:58 surfacebook kernel: memcpy: detected field-spanning write (size 243) of single field "ext_scan->tlv_buffer" at drivers/net/wireless/marvell/mwifiex/scan.c:2239 (size 1) elo 16 17:51:58 surfacebook kernel: WARNING: CPU: 0 PID: 498 at drivers/net/wireless/marvell/mwifiex/scan.c:2239 mwifiex_cmd_802_11_scan_ext+0x83/0x90 [mwifiex] Reported-by: Andy Shevchenko Closes: https://lore.kernel.org/linux-hardening/ZsZNgfnEwOcPdCly@black.fi.intel.com/ Signed-off-by: Gustavo A. R. Silva Reviewed-by: Andy Shevchenko Acked-by: Brian Norris Signed-off-by: Kalle Valo Link: https://patch.msgid.link/ZsZa5xRcsLq9D+RX@elsanto Signed-off-by: Sasha Levin --- drivers/net/wireless/marvell/mwifiex/fw.h | 2 +- drivers/net/wireless/marvell/mwifiex/scan.c | 3 +-- 2 files changed, 2 insertions(+), 3 deletions(-) diff --git a/drivers/net/wireless/marvell/mwifiex/fw.h b/drivers/net/wireless/marvell/mwifiex/fw.h index 96c42b979e9b..284671618e9c 100644 --- a/drivers/net/wireless/marvell/mwifiex/fw.h +++ b/drivers/net/wireless/marvell/mwifiex/fw.h @@ -1593,7 +1593,7 @@ struct host_cmd_ds_802_11_scan_rsp { struct host_cmd_ds_802_11_scan_ext { u32 reserved; - u8 tlv_buffer[1]; + u8 tlv_buffer[]; } __packed; struct mwifiex_ie_types_bss_mode { diff --git a/drivers/net/wireless/marvell/mwifiex/scan.c b/drivers/net/wireless/marvell/mwifiex/scan.c index 78ef40e315b5..7f949aa77268 100644 --- a/drivers/net/wireless/marvell/mwifiex/scan.c +++ b/drivers/net/wireless/marvell/mwifiex/scan.c @@ -2561,8 +2561,7 @@ int mwifiex_ret_802_11_scan_ext(struct mwifiex_private *priv, ext_scan_resp = &resp->params.ext_scan; tlv = (void *)ext_scan_resp->tlv_buffer; - buf_left = le16_to_cpu(resp->size) - (sizeof(*ext_scan_resp) + S_DS_GEN - - 1); + buf_left = le16_to_cpu(resp->size) - (sizeof(*ext_scan_resp) + S_DS_GEN); while (buf_left >= sizeof(struct mwifiex_ie_types_header)) { type = le16_to_cpu(tlv->type); From aa4e9056dfbc3ff1dc0817dcc11e41b275ee708f Mon Sep 17 00:00:00 2001 From: Jinjie Ruan Date: Wed, 11 Sep 2024 17:44:45 +0800 Subject: [PATCH 318/649] nfp: Use IRQF_NO_AUTOEN flag in request_irq() [ Upstream commit daaba19d357f0900b303a530ced96c78086267ea ] disable_irq() after request_irq() still has a time gap in which interrupts can come. request_irq() with IRQF_NO_AUTOEN flag will disable IRQ auto-enable when request IRQ. Reviewed-by: Louis Peens Signed-off-by: Jinjie Ruan Link: https://patch.msgid.link/20240911094445.1922476-4-ruanjinjie@huawei.com Signed-off-by: Jakub Kicinski Signed-off-by: Sasha Levin --- drivers/net/ethernet/netronome/nfp/nfp_net_common.c | 5 ++--- 1 file changed, 2 insertions(+), 3 deletions(-) diff --git a/drivers/net/ethernet/netronome/nfp/nfp_net_common.c b/drivers/net/ethernet/netronome/nfp/nfp_net_common.c index 5ab230aab2cd..4a4d171e4f5b 100644 --- a/drivers/net/ethernet/netronome/nfp/nfp_net_common.c +++ b/drivers/net/ethernet/netronome/nfp/nfp_net_common.c @@ -2631,8 +2631,8 @@ nfp_net_prepare_vector(struct nfp_net *nn, struct nfp_net_r_vector *r_vec, snprintf(r_vec->name, sizeof(r_vec->name), "%s-rxtx-%d", nfp_net_name(nn), idx); - err = request_irq(r_vec->irq_vector, r_vec->handler, 0, r_vec->name, - r_vec); + err = request_irq(r_vec->irq_vector, r_vec->handler, IRQF_NO_AUTOEN, + r_vec->name, r_vec); if (err) { if (nn->dp.netdev) netif_napi_del(&r_vec->napi); @@ -2642,7 +2642,6 @@ nfp_net_prepare_vector(struct nfp_net *nn, struct nfp_net_r_vector *r_vec, nn_err(nn, "Error requesting IRQ %d\n", r_vec->irq_vector); return err; } - disable_irq(r_vec->irq_vector); irq_set_affinity_hint(r_vec->irq_vector, &r_vec->affinity_mask); From 6ee6835f8288ffb7406de4e1cc5f3b74404d26cb Mon Sep 17 00:00:00 2001 From: Thomas Gleixner Date: Mon, 10 Jun 2024 18:42:34 +0200 Subject: [PATCH 319/649] signal: Replace BUG_ON()s [ Upstream commit 7f8af7bac5380f2d95a63a6f19964e22437166e1 ] These really can be handled gracefully without killing the machine. Signed-off-by: Thomas Gleixner Signed-off-by: Frederic Weisbecker Reviewed-by: Oleg Nesterov Acked-by: Peter Zijlstra (Intel) Signed-off-by: Sasha Levin --- kernel/signal.c | 11 +++++++---- 1 file changed, 7 insertions(+), 4 deletions(-) diff --git a/kernel/signal.c b/kernel/signal.c index bfc1da526ebb..7a9af6d4f2b0 100644 --- a/kernel/signal.c +++ b/kernel/signal.c @@ -1817,10 +1817,11 @@ struct sigqueue *sigqueue_alloc(void) void sigqueue_free(struct sigqueue *q) { - unsigned long flags; spinlock_t *lock = ¤t->sighand->siglock; + unsigned long flags; - BUG_ON(!(q->flags & SIGQUEUE_PREALLOC)); + if (WARN_ON_ONCE(!(q->flags & SIGQUEUE_PREALLOC))) + return; /* * We must hold ->siglock while testing q->list * to serialize with collect_signal() or with @@ -1848,7 +1849,10 @@ int send_sigqueue(struct sigqueue *q, struct pid *pid, enum pid_type type) unsigned long flags; int ret, result; - BUG_ON(!(q->flags & SIGQUEUE_PREALLOC)); + if (WARN_ON_ONCE(!(q->flags & SIGQUEUE_PREALLOC))) + return 0; + if (WARN_ON_ONCE(q->info.si_code != SI_TIMER)) + return 0; ret = -1; rcu_read_lock(); @@ -1867,7 +1871,6 @@ int send_sigqueue(struct sigqueue *q, struct pid *pid, enum pid_type type) * If an SI_TIMER entry is already queue just increment * the overrun count. */ - BUG_ON(q->info.si_code != SI_TIMER); q->info.si_overrun++; result = TRACE_SIGNAL_ALREADY_PENDING; goto out; From 35733d1a605782c375d7a3f1142232f078ae4d75 Mon Sep 17 00:00:00 2001 From: Takashi Iwai Date: Wed, 14 Aug 2024 15:48:41 +0200 Subject: [PATCH 320/649] ALSA: usb-audio: Define macros for quirk table entries [ Upstream commit 0c3ad39b791c2ecf718afcaca30e5ceafa939d5c ] Many entries in the USB-audio quirk tables have relatively complex expressions. For improving the readability, introduce a few macros. Those are applied in the following patch. Link: https://patch.msgid.link/20240814134844.2726-2-tiwai@suse.de Signed-off-by: Takashi Iwai Signed-off-by: Sasha Levin --- sound/usb/quirks-table.h | 77 ++++++++++++++++++++++++++++++++++++++++ 1 file changed, 77 insertions(+) diff --git a/sound/usb/quirks-table.h b/sound/usb/quirks-table.h index 008229ae7ff4..c6104523dd79 100644 --- a/sound/usb/quirks-table.h +++ b/sound/usb/quirks-table.h @@ -35,6 +35,83 @@ .bInterfaceClass = USB_CLASS_AUDIO, \ .bInterfaceSubClass = USB_SUBCLASS_AUDIOCONTROL +/* Quirk .driver_info, followed by the definition of the quirk entry; + * put like QUIRK_DRIVER_INFO { ... } in each entry of the quirk table + */ +#define QUIRK_DRIVER_INFO \ + .driver_info = (unsigned long)&(const struct snd_usb_audio_quirk) + +/* + * Macros for quirk data entries + */ + +/* Quirk data entry for ignoring the interface */ +#define QUIRK_DATA_IGNORE(_ifno) \ + .ifnum = (_ifno), .type = QUIRK_IGNORE_INTERFACE +/* Quirk data entry for a standard audio interface */ +#define QUIRK_DATA_STANDARD_AUDIO(_ifno) \ + .ifnum = (_ifno), .type = QUIRK_AUDIO_STANDARD_INTERFACE +/* Quirk data entry for a standard MIDI interface */ +#define QUIRK_DATA_STANDARD_MIDI(_ifno) \ + .ifnum = (_ifno), .type = QUIRK_MIDI_STANDARD_INTERFACE +/* Quirk data entry for a standard mixer interface */ +#define QUIRK_DATA_STANDARD_MIXER(_ifno) \ + .ifnum = (_ifno), .type = QUIRK_AUDIO_STANDARD_MIXER + +/* Quirk data entry for Yamaha MIDI */ +#define QUIRK_DATA_MIDI_YAMAHA(_ifno) \ + .ifnum = (_ifno), .type = QUIRK_MIDI_YAMAHA +/* Quirk data entry for Edirol UAxx */ +#define QUIRK_DATA_EDIROL_UAXX(_ifno) \ + .ifnum = (_ifno), .type = QUIRK_AUDIO_EDIROL_UAXX +/* Quirk data entry for raw bytes interface */ +#define QUIRK_DATA_RAW_BYTES(_ifno) \ + .ifnum = (_ifno), .type = QUIRK_MIDI_RAW_BYTES + +/* Quirk composite array terminator */ +#define QUIRK_COMPOSITE_END { .ifnum = -1 } + +/* Quirk data entry for composite quirks; + * followed by the quirk array that is terminated with QUIRK_COMPOSITE_END + * e.g. QUIRK_DATA_COMPOSITE { { quirk1 }, { quirk2 },..., QUIRK_COMPOSITE_END } + */ +#define QUIRK_DATA_COMPOSITE \ + .ifnum = QUIRK_ANY_INTERFACE, \ + .type = QUIRK_COMPOSITE, \ + .data = &(const struct snd_usb_audio_quirk[]) + +/* Quirk data entry for a fixed audio endpoint; + * followed by audioformat definition + * e.g. QUIRK_DATA_AUDIOFORMAT(n) { .formats = xxx, ... } + */ +#define QUIRK_DATA_AUDIOFORMAT(_ifno) \ + .ifnum = (_ifno), \ + .type = QUIRK_AUDIO_FIXED_ENDPOINT, \ + .data = &(const struct audioformat) + +/* Quirk data entry for a fixed MIDI endpoint; + * followed by snd_usb_midi_endpoint_info definition + * e.g. QUIRK_DATA_MIDI_FIXED_ENDPOINT(n) { .out_cables = x, .in_cables = y } + */ +#define QUIRK_DATA_MIDI_FIXED_ENDPOINT(_ifno) \ + .ifnum = (_ifno), \ + .type = QUIRK_MIDI_FIXED_ENDPOINT, \ + .data = &(const struct snd_usb_midi_endpoint_info) +/* Quirk data entry for a MIDIMAN MIDI endpoint */ +#define QUIRK_DATA_MIDI_MIDIMAN(_ifno) \ + .ifnum = (_ifno), \ + .type = QUIRK_MIDI_MIDIMAN, \ + .data = &(const struct snd_usb_midi_endpoint_info) +/* Quirk data entry for a EMAGIC MIDI endpoint */ +#define QUIRK_DATA_MIDI_EMAGIC(_ifno) \ + .ifnum = (_ifno), \ + .type = QUIRK_MIDI_EMAGIC, \ + .data = &(const struct snd_usb_midi_endpoint_info) + +/* + * Here we go... the quirk table definition begins: + */ + /* FTDI devices */ { USB_DEVICE(0x0403, 0xb8d8), From e2b200c502301604e4205702b48a05e51eb48489 Mon Sep 17 00:00:00 2001 From: Joshua Pius Date: Thu, 12 Sep 2024 15:26:28 +0000 Subject: [PATCH 321/649] ALSA: usb-audio: Add logitech Audio profile quirk [ Upstream commit a51c925c11d7b855167e64b63eb4378e5adfc11d ] Specify shortnames for the following Logitech Devices: Rally bar, Rally bar mini, Tap, MeetUp and Huddle. Signed-off-by: Joshua Pius Link: https://patch.msgid.link/20240912152635.1859737-1-joshuapius@google.com Signed-off-by: Takashi Iwai Signed-off-by: Sasha Levin --- sound/usb/card.c | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/sound/usb/card.c b/sound/usb/card.c index 6b172db58a31..476694ffc393 100644 --- a/sound/usb/card.c +++ b/sound/usb/card.c @@ -377,6 +377,12 @@ static const struct usb_audio_device_name usb_audio_names[] = { /* Creative/Toshiba Multimedia Center SB-0500 */ DEVICE_NAME(0x041e, 0x3048, "Toshiba", "SB-0500"), + /* Logitech Audio Devices */ + DEVICE_NAME(0x046d, 0x0867, "Logitech, Inc.", "Logi-MeetUp"), + DEVICE_NAME(0x046d, 0x0874, "Logitech, Inc.", "Logi-Tap-Audio"), + DEVICE_NAME(0x046d, 0x087c, "Logitech, Inc.", "Logi-Huddle"), + DEVICE_NAME(0x046d, 0x0898, "Logitech, Inc.", "Logi-RB-Audio"), + DEVICE_NAME(0x046d, 0x08d2, "Logitech, Inc.", "Logi-RBM-Audio"), DEVICE_NAME(0x046d, 0x0990, "Logitech, Inc.", "QuickCam Pro 9000"), /* ASUS ROG Zenith II: this machine has also two devices, one for From 219587bca2678e31700ef09ecec178ba1f735674 Mon Sep 17 00:00:00 2001 From: Takashi Iwai Date: Thu, 8 Aug 2024 11:14:42 +0200 Subject: [PATCH 322/649] ALSA: asihpi: Fix potential OOB array access [ Upstream commit 7b986c7430a6bb68d523dac7bfc74cbd5b44ef96 ] ASIHPI driver stores some values in the static array upon a response from the driver, and its index depends on the firmware. We shouldn't trust it blindly. This patch adds a sanity check of the array index to fit in the array size. Link: https://patch.msgid.link/20240808091454.30846-1-tiwai@suse.de Signed-off-by: Takashi Iwai Signed-off-by: Sasha Levin --- sound/pci/asihpi/hpimsgx.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/sound/pci/asihpi/hpimsgx.c b/sound/pci/asihpi/hpimsgx.c index f7427f8eb630..761fc62f68f1 100644 --- a/sound/pci/asihpi/hpimsgx.c +++ b/sound/pci/asihpi/hpimsgx.c @@ -713,7 +713,7 @@ static u16 HPIMSGX__init(struct hpi_message *phm, phr->error = HPI_ERROR_PROCESSING_MESSAGE; return phr->error; } - if (hr.error == 0) { + if (hr.error == 0 && hr.u.s.adapter_index < HPI_MAX_ADAPTERS) { /* the adapter was created successfully save the mapping for future use */ hpi_entry_points[hr.u.s.adapter_index] = entry_point_func; From 98111af3384921e71d21769b0a619d36ca15c3bb Mon Sep 17 00:00:00 2001 From: Takashi Iwai Date: Thu, 8 Aug 2024 11:15:12 +0200 Subject: [PATCH 323/649] ALSA: hdsp: Break infinite MIDI input flush loop [ Upstream commit c01f3815453e2d5f699ccd8c8c1f93a5b8669e59 ] The current MIDI input flush on HDSP and HDSPM drivers relies on the hardware reporting the right value. If the hardware doesn't give the proper value but returns -1, it may be stuck at an infinite loop. Add a counter and break if the loop is unexpectedly too long. Link: https://patch.msgid.link/20240808091513.31380-1-tiwai@suse.de Signed-off-by: Takashi Iwai Signed-off-by: Sasha Levin --- sound/pci/rme9652/hdsp.c | 6 ++++-- sound/pci/rme9652/hdspm.c | 6 ++++-- 2 files changed, 8 insertions(+), 4 deletions(-) diff --git a/sound/pci/rme9652/hdsp.c b/sound/pci/rme9652/hdsp.c index 954347424500..f592eb7a5d1b 100644 --- a/sound/pci/rme9652/hdsp.c +++ b/sound/pci/rme9652/hdsp.c @@ -1303,8 +1303,10 @@ static int snd_hdsp_midi_output_possible (struct hdsp *hdsp, int id) static void snd_hdsp_flush_midi_input (struct hdsp *hdsp, int id) { - while (snd_hdsp_midi_input_available (hdsp, id)) - snd_hdsp_midi_read_byte (hdsp, id); + int count = 256; + + while (snd_hdsp_midi_input_available(hdsp, id) && --count) + snd_hdsp_midi_read_byte(hdsp, id); } static int snd_hdsp_midi_output_write (struct hdsp_midi *hmidi) diff --git a/sound/pci/rme9652/hdspm.c b/sound/pci/rme9652/hdspm.c index 51c3c6a08a1c..04f9d92af46c 100644 --- a/sound/pci/rme9652/hdspm.c +++ b/sound/pci/rme9652/hdspm.c @@ -1839,8 +1839,10 @@ static inline int snd_hdspm_midi_output_possible (struct hdspm *hdspm, int id) static void snd_hdspm_flush_midi_input(struct hdspm *hdspm, int id) { - while (snd_hdspm_midi_input_available (hdspm, id)) - snd_hdspm_midi_read_byte (hdspm, id); + int count = 256; + + while (snd_hdspm_midi_input_available(hdspm, id) && --count) + snd_hdspm_midi_read_byte(hdspm, id); } static int snd_hdspm_midi_output_write (struct hdspm_midi *hmidi) From 79681036a3367899f0a2583c687623c2e5fef686 Mon Sep 17 00:00:00 2001 From: Kees Cook Date: Mon, 8 Jul 2024 13:22:06 -0700 Subject: [PATCH 324/649] x86/syscall: Avoid memcpy() for ia32 syscall_get_arguments() MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit [ Upstream commit d19d638b1e6cf746263ef60b7d0dee0204d8216a ] Modern (fortified) memcpy() prefers to avoid writing (or reading) beyond the end of the addressed destination (or source) struct member: In function ‘fortify_memcpy_chk’, inlined from ‘syscall_get_arguments’ at ./arch/x86/include/asm/syscall.h:85:2, inlined from ‘populate_seccomp_data’ at kernel/seccomp.c:258:2, inlined from ‘__seccomp_filter’ at kernel/seccomp.c:1231:3: ./include/linux/fortify-string.h:580:25: error: call to ‘__read_overflow2_field’ declared with attribute warning: detected read beyond size of field (2nd parameter); maybe use struct_group()? [-Werror=attribute-warning] 580 | __read_overflow2_field(q_size_field, size); | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ As already done for x86_64 and compat mode, do not use memcpy() to extract syscall arguments from struct pt_regs but rather just perform direct assignments. Binary output differences are negligible, and actually ends up using less stack space: - sub $0x84,%esp + sub $0x6c,%esp and less text size: text data bss dec hex filename 10794 252 0 11046 2b26 gcc-32b/kernel/seccomp.o.stock 10714 252 0 10966 2ad6 gcc-32b/kernel/seccomp.o.after Closes: https://lore.kernel.org/lkml/9b69fb14-df89-4677-9c82-056ea9e706f5@gmail.com/ Reported-by: Mirsad Todorovac Signed-off-by: Kees Cook Signed-off-by: Dave Hansen Reviewed-by: Gustavo A. R. Silva Acked-by: Dave Hansen Tested-by: Mirsad Todorovac Link: https://lore.kernel.org/all/20240708202202.work.477-kees%40kernel.org Signed-off-by: Sasha Levin --- arch/x86/include/asm/syscall.h | 7 ++++++- 1 file changed, 6 insertions(+), 1 deletion(-) diff --git a/arch/x86/include/asm/syscall.h b/arch/x86/include/asm/syscall.h index 7cbf733d11af..e8a28380d0ad 100644 --- a/arch/x86/include/asm/syscall.h +++ b/arch/x86/include/asm/syscall.h @@ -85,7 +85,12 @@ static inline void syscall_get_arguments(struct task_struct *task, struct pt_regs *regs, unsigned long *args) { - memcpy(args, ®s->bx, 6 * sizeof(args[0])); + args[0] = regs->bx; + args[1] = regs->cx; + args[2] = regs->dx; + args[3] = regs->si; + args[4] = regs->di; + args[5] = regs->bp; } static inline void syscall_set_arguments(struct task_struct *task, From e6897e299f57b103e999e62010b88e363b3eebae Mon Sep 17 00:00:00 2001 From: Kaixin Wang Date: Wed, 11 Sep 2024 22:29:52 +0800 Subject: [PATCH 325/649] fbdev: pxafb: Fix possible use after free in pxafb_task() [ Upstream commit 4a6921095eb04a900e0000da83d9475eb958e61e ] In the pxafb_probe function, it calls the pxafb_init_fbinfo function, after which &fbi->task is associated with pxafb_task. Moreover, within this pxafb_init_fbinfo function, the pxafb_blank function within the &pxafb_ops struct is capable of scheduling work. If we remove the module which will call pxafb_remove to make cleanup, it will call unregister_framebuffer function which can call do_unregister_framebuffer to free fbi->fb through put_fb_info(fb_info), while the work mentioned above will be used. The sequence of operations that may lead to a UAF bug is as follows: CPU0 CPU1 | pxafb_task pxafb_remove | unregister_framebuffer(info) | do_unregister_framebuffer(fb_info) | put_fb_info(fb_info) | // free fbi->fb | set_ctrlr_state(fbi, state) | __pxafb_lcd_power(fbi, 0) | fbi->lcd_power(on, &fbi->fb.var) | //use fbi->fb Fix it by ensuring that the work is canceled before proceeding with the cleanup in pxafb_remove. Note that only root user can remove the driver at runtime. Signed-off-by: Kaixin Wang Signed-off-by: Helge Deller Signed-off-by: Sasha Levin --- drivers/video/fbdev/pxafb.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/video/fbdev/pxafb.c b/drivers/video/fbdev/pxafb.c index f1551e00eb12..a0db2b3d0736 100644 --- a/drivers/video/fbdev/pxafb.c +++ b/drivers/video/fbdev/pxafb.c @@ -2408,6 +2408,7 @@ static int pxafb_remove(struct platform_device *dev) info = &fbi->fb; pxafb_overlay_exit(fbi); + cancel_work_sync(&fbi->task); unregister_framebuffer(info); pxafb_disable_controller(fbi); From ceff6f5e71735251c43a2647c03bdccac9f32c64 Mon Sep 17 00:00:00 2001 From: "Paul E. McKenney" Date: Thu, 1 Aug 2024 17:43:03 -0700 Subject: [PATCH 326/649] rcuscale: Provide clear error when async specified without primitives [ Upstream commit 11377947b5861fa59bf77c827e1dd7c081842cc9 ] Currently, if the rcuscale module's async module parameter is specified for RCU implementations that do not have async primitives such as RCU Tasks Rude (which now lacks a call_rcu_tasks_rude() function), there will be a series of splats due to calls to a NULL pointer. This commit therefore warns of this situation, but switches to non-async testing. Signed-off-by: "Paul E. McKenney" Signed-off-by: Neeraj Upadhyay Signed-off-by: Sasha Levin --- kernel/rcu/rcuscale.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/kernel/rcu/rcuscale.c b/kernel/rcu/rcuscale.c index 3b9783eda679..cfe861bac1bd 100644 --- a/kernel/rcu/rcuscale.c +++ b/kernel/rcu/rcuscale.c @@ -398,7 +398,7 @@ rcu_scale_writer(void *arg) udelay(writer_holdoff); wdp = &wdpp[i]; *wdp = ktime_get_mono_fast_ns(); - if (gp_async) { + if (gp_async && !WARN_ON_ONCE(!cur_ops->async)) { retry: if (!rhp) rhp = kmalloc(sizeof(*rhp), GFP_KERNEL); @@ -454,7 +454,7 @@ rcu_scale_writer(void *arg) i++; rcu_scale_wait_shutdown(); } while (!torture_must_stop()); - if (gp_async) { + if (gp_async && cur_ops->async) { cur_ops->gp_barrier(); } writer_n_durations[me] = i_max + 1; From d9245b9296fdbf727696daacd20df4b725e73802 Mon Sep 17 00:00:00 2001 From: Marc Gonzalez Date: Tue, 20 Aug 2024 15:27:19 +0200 Subject: [PATCH 327/649] iommu/arm-smmu-qcom: hide last LPASS SMMU context bank from linux [ Upstream commit 3a8990b8a778219327c5f8ecf10b5d81377b925a ] On qcom msm8998, writing to the last context bank of lpass_q6_smmu (base address 0x05100000) produces a system freeze & reboot. The hardware/hypervisor reports 13 context banks for the LPASS SMMU on msm8998, but only the first 12 are accessible... Override the number of context banks [ 2.546101] arm-smmu 5100000.iommu: probing hardware configuration... [ 2.552439] arm-smmu 5100000.iommu: SMMUv2 with: [ 2.558945] arm-smmu 5100000.iommu: stage 1 translation [ 2.563627] arm-smmu 5100000.iommu: address translation ops [ 2.568923] arm-smmu 5100000.iommu: non-coherent table walk [ 2.574566] arm-smmu 5100000.iommu: (IDR0.CTTW overridden by FW configuration) [ 2.580220] arm-smmu 5100000.iommu: stream matching with 12 register groups [ 2.587263] arm-smmu 5100000.iommu: 13 context banks (0 stage-2 only) [ 2.614447] arm-smmu 5100000.iommu: Supported page sizes: 0x63315000 [ 2.621358] arm-smmu 5100000.iommu: Stage-1: 36-bit VA -> 36-bit IPA [ 2.627772] arm-smmu 5100000.iommu: preserved 0 boot mappings Specifically, the crashes occur here: qsmmu->bypass_cbndx = smmu->num_context_banks - 1; arm_smmu_cb_write(smmu, qsmmu->bypass_cbndx, ARM_SMMU_CB_SCTLR, 0); and here: arm_smmu_write_context_bank(smmu, i); arm_smmu_cb_write(smmu, i, ARM_SMMU_CB_FSR, ARM_SMMU_CB_FSR_FAULT); It is likely that FW reserves the last context bank for its own use, thus a simple work-around is: DON'T USE IT in Linux. If we decrease the number of context banks, last one will be "hidden". Signed-off-by: Marc Gonzalez Reviewed-by: Caleb Connolly Reviewed-by: Bjorn Andersson Link: https://lore.kernel.org/r/20240820-smmu-v3-1-2f71483b00ec@freebox.fr Signed-off-by: Will Deacon Signed-off-by: Sasha Levin --- drivers/iommu/arm/arm-smmu/arm-smmu-qcom.c | 7 +++++++ 1 file changed, 7 insertions(+) diff --git a/drivers/iommu/arm/arm-smmu/arm-smmu-qcom.c b/drivers/iommu/arm/arm-smmu/arm-smmu-qcom.c index a5164d5cb6a3..91d9c4d98f39 100644 --- a/drivers/iommu/arm/arm-smmu/arm-smmu-qcom.c +++ b/drivers/iommu/arm/arm-smmu/arm-smmu-qcom.c @@ -39,6 +39,13 @@ static int qcom_smmu_cfg_probe(struct arm_smmu_device *smmu) u32 smr; int i; + /* + * MSM8998 LPASS SMMU reports 13 context banks, but accessing + * the last context bank crashes the system. + */ + if (of_device_is_compatible(smmu->dev->of_node, "qcom,msm8998-smmu-v2") && smmu->num_context_banks == 13) + smmu->num_context_banks = 12; + /* * Some platforms support more than the Arm SMMU architected maximum of * 128 stream matching groups. For unknown reasons, the additional From 9e493f002d52f995a9c5638a9211ab476eae25fd Mon Sep 17 00:00:00 2001 From: Andrew Davis Date: Mon, 10 Jun 2024 09:28:36 -0500 Subject: [PATCH 328/649] power: reset: brcmstb: Do not go into infinite loop if reset fails [ Upstream commit cf8c39b00e982fa506b16f9d76657838c09150cb ] There may be other backup reset methods available, do not halt here so that other reset methods can be tried. Signed-off-by: Andrew Davis Reviewed-by: Dhruva Gole Acked-by: Florian Fainelli Link: https://lore.kernel.org/r/20240610142836.168603-5-afd@ti.com Signed-off-by: Sebastian Reichel Signed-off-by: Sasha Levin --- drivers/power/reset/brcmstb-reboot.c | 3 --- 1 file changed, 3 deletions(-) diff --git a/drivers/power/reset/brcmstb-reboot.c b/drivers/power/reset/brcmstb-reboot.c index 884b53c483c0..9f8b9e5cad93 100644 --- a/drivers/power/reset/brcmstb-reboot.c +++ b/drivers/power/reset/brcmstb-reboot.c @@ -72,9 +72,6 @@ static int brcmstb_restart_handler(struct notifier_block *this, return NOTIFY_DONE; } - while (1) - ; - return NOTIFY_DONE; } From 49ded709540b98530cecc6bf4b882da373898d27 Mon Sep 17 00:00:00 2001 From: Damien Le Moal Date: Fri, 26 Jul 2024 11:14:11 +0900 Subject: [PATCH 329/649] ata: sata_sil: Rename sil_blacklist to sil_quirks [ Upstream commit 93b0f9e11ce511353c65b7f924cf5f95bd9c3aba ] Rename the array sil_blacklist to sil_quirks as this name is more neutral and is also consistent with how this driver define quirks with the SIL_QUIRK_XXX flags. Signed-off-by: Damien Le Moal Reviewed-by: Niklas Cassel Reviewed-by: Igor Pylypiv Signed-off-by: Sasha Levin --- drivers/ata/sata_sil.c | 12 ++++++------ 1 file changed, 6 insertions(+), 6 deletions(-) diff --git a/drivers/ata/sata_sil.c b/drivers/ata/sata_sil.c index 75321f1ceba5..fc438c4518fb 100644 --- a/drivers/ata/sata_sil.c +++ b/drivers/ata/sata_sil.c @@ -128,7 +128,7 @@ static const struct pci_device_id sil_pci_tbl[] = { static const struct sil_drivelist { const char *product; unsigned int quirk; -} sil_blacklist [] = { +} sil_quirks[] = { { "ST320012AS", SIL_QUIRK_MOD15WRITE }, { "ST330013AS", SIL_QUIRK_MOD15WRITE }, { "ST340017AS", SIL_QUIRK_MOD15WRITE }, @@ -601,8 +601,8 @@ static void sil_thaw(struct ata_port *ap) * list, and apply the fixups to only the specific * devices/hosts/firmwares that need it. * - * 20040111 - Seagate drives affected by the Mod15Write bug are blacklisted - * The Maxtor quirk is in the blacklist, but I'm keeping the original + * 20040111 - Seagate drives affected by the Mod15Write bug are quirked + * The Maxtor quirk is in sil_quirks, but I'm keeping the original * pessimistic fix for the following reasons... * - There seems to be less info on it, only one device gleaned off the * Windows driver, maybe only one is affected. More info would be greatly @@ -621,9 +621,9 @@ static void sil_dev_config(struct ata_device *dev) ata_id_c_string(dev->id, model_num, ATA_ID_PROD, sizeof(model_num)); - for (n = 0; sil_blacklist[n].product; n++) - if (!strcmp(sil_blacklist[n].product, model_num)) { - quirks = sil_blacklist[n].quirk; + for (n = 0; sil_quirks[n].product; n++) + if (!strcmp(sil_quirks[n].product, model_num)) { + quirks = sil_quirks[n].quirk; break; } From 5652c448da39fd8d760e68855e69a3c2f611453f Mon Sep 17 00:00:00 2001 From: Lu Baolu Date: Mon, 2 Sep 2024 10:27:13 +0800 Subject: [PATCH 330/649] iommu/vt-d: Always reserve a domain ID for identity setup [ Upstream commit 2c13012e09190174614fd6901857a1b8c199e17d ] We will use a global static identity domain. Reserve a static domain ID for it. Signed-off-by: Lu Baolu Reviewed-by: Jason Gunthorpe Reviewed-by: Kevin Tian Reviewed-by: Jerry Snitselaar Link: https://lore.kernel.org/r/20240809055431.36513-4-baolu.lu@linux.intel.com Signed-off-by: Joerg Roedel Signed-off-by: Sasha Levin --- drivers/iommu/intel/iommu.c | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) diff --git a/drivers/iommu/intel/iommu.c b/drivers/iommu/intel/iommu.c index 6be92e0afdb0..c694ecbd304e 100644 --- a/drivers/iommu/intel/iommu.c +++ b/drivers/iommu/intel/iommu.c @@ -1847,10 +1847,10 @@ static int iommu_init_domains(struct intel_iommu *iommu) * entry for first-level or pass-through translation modes should * be programmed with a domain id different from those used for * second-level or nested translation. We reserve a domain id for - * this purpose. + * this purpose. This domain id is also used for identity domain + * in legacy mode. */ - if (sm_supported(iommu)) - set_bit(FLPT_DEFAULT_DID, iommu->domain_ids); + set_bit(FLPT_DEFAULT_DID, iommu->domain_ids); return 0; } From 8d54001f8dccd56146973f23f3ab2ba037a21251 Mon Sep 17 00:00:00 2001 From: Alex Hung Date: Mon, 29 Jul 2024 15:29:09 -0600 Subject: [PATCH 331/649] drm/amd/display: Check null pointers before using dc->clk_mgr [ Upstream commit 95d9e0803e51d5a24276b7643b244c7477daf463 ] [WHY & HOW] dc->clk_mgr is null checked previously in the same function, indicating it might be null. Passing "dc" to "dc->hwss.apply_idle_power_optimizations", which dereferences null "dc->clk_mgr". (The function pointer resolves to "dcn35_apply_idle_power_optimizations".) This fixes 1 FORWARD_NULL issue reported by Coverity. Reviewed-by: Rodrigo Siqueira Signed-off-by: Alex Hung Signed-off-by: Tom Chung Tested-by: Daniel Wheeler Signed-off-by: Alex Deucher Signed-off-by: Sasha Levin --- drivers/gpu/drm/amd/display/dc/core/dc.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/drivers/gpu/drm/amd/display/dc/core/dc.c b/drivers/gpu/drm/amd/display/dc/core/dc.c index 058759800923..661907e8a7de 100644 --- a/drivers/gpu/drm/amd/display/dc/core/dc.c +++ b/drivers/gpu/drm/amd/display/dc/core/dc.c @@ -3083,7 +3083,8 @@ void dc_allow_idle_optimizations(struct dc *dc, bool allow) if (allow == dc->idle_optimizations_allowed) return; - if (dc->hwss.apply_idle_power_optimizations && dc->hwss.apply_idle_power_optimizations(dc, allow)) + if (dc->hwss.apply_idle_power_optimizations && dc->clk_mgr != NULL && + dc->hwss.apply_idle_power_optimizations(dc, allow)) dc->idle_optimizations_allowed = allow; } From de9e7f68762585f7532de8a06de9485bf39dbd38 Mon Sep 17 00:00:00 2001 From: Sanjay K Kumar Date: Mon, 2 Sep 2024 10:27:18 +0800 Subject: [PATCH 332/649] iommu/vt-d: Fix potential lockup if qi_submit_sync called with 0 count [ Upstream commit 3cf74230c139f208b7fb313ae0054386eee31a81 ] If qi_submit_sync() is invoked with 0 invalidation descriptors (for instance, for DMA draining purposes), we can run into a bug where a submitting thread fails to detect the completion of invalidation_wait. Subsequently, this led to a soft lockup. Currently, there is no impact by this bug on the existing users because no callers are submitting invalidations with 0 descriptors. This fix will enable future users (such as DMA drain) calling qi_submit_sync() with 0 count. Suppose thread T1 invokes qi_submit_sync() with non-zero descriptors, while concurrently, thread T2 calls qi_submit_sync() with zero descriptors. Both threads then enter a while loop, waiting for their respective descriptors to complete. T1 detects its completion (i.e., T1's invalidation_wait status changes to QI_DONE by HW) and proceeds to call reclaim_free_desc() to reclaim all descriptors, potentially including adjacent ones of other threads that are also marked as QI_DONE. During this time, while T2 is waiting to acquire the qi->q_lock, the IOMMU hardware may complete the invalidation for T2, setting its status to QI_DONE. However, if T1's execution of reclaim_free_desc() frees T2's invalidation_wait descriptor and changes its status to QI_FREE, T2 will not observe the QI_DONE status for its invalidation_wait and will indefinitely remain stuck. This soft lockup does not occur when only non-zero descriptors are submitted.In such cases, invalidation descriptors are interspersed among wait descriptors with the status QI_IN_USE, acting as barriers. These barriers prevent the reclaim code from mistakenly freeing descriptors belonging to other submitters. Considered the following example timeline: T1 T2 ======================================== ID1 WD1 while(WD1!=QI_DONE) unlock lock WD1=QI_DONE* WD2 while(WD2!=QI_DONE) unlock lock WD1==QI_DONE? ID1=QI_DONE WD2=DONE* reclaim() ID1=FREE WD1=FREE WD2=FREE unlock soft lockup! T2 never sees QI_DONE in WD2 Where: ID = invalidation descriptor WD = wait descriptor * Written by hardware The root of the problem is that the descriptor status QI_DONE flag is used for two conflicting purposes: 1. signal a descriptor is ready for reclaim (to be freed) 2. signal by the hardware that a wait descriptor is complete The solution (in this patch) is state separation by using QI_FREE flag for #1. Once a thread's invalidation descriptors are complete, their status would be set to QI_FREE. The reclaim_free_desc() function would then only free descriptors marked as QI_FREE instead of those marked as QI_DONE. This change ensures that T2 (from the previous example) will correctly observe the completion of its invalidation_wait (marked as QI_DONE). Signed-off-by: Sanjay K Kumar Signed-off-by: Jacob Pan Reviewed-by: Kevin Tian Link: https://lore.kernel.org/r/20240728210059.1964602-1-jacob.jun.pan@linux.intel.com Signed-off-by: Lu Baolu Signed-off-by: Joerg Roedel Signed-off-by: Sasha Levin --- drivers/iommu/intel/dmar.c | 16 +++++++++++----- 1 file changed, 11 insertions(+), 5 deletions(-) diff --git a/drivers/iommu/intel/dmar.c b/drivers/iommu/intel/dmar.c index 72b380e17a1b..68153e6329b5 100644 --- a/drivers/iommu/intel/dmar.c +++ b/drivers/iommu/intel/dmar.c @@ -1193,9 +1193,7 @@ static void free_iommu(struct intel_iommu *iommu) */ static inline void reclaim_free_desc(struct q_inval *qi) { - while (qi->desc_status[qi->free_tail] == QI_DONE || - qi->desc_status[qi->free_tail] == QI_ABORT) { - qi->desc_status[qi->free_tail] = QI_FREE; + while (qi->desc_status[qi->free_tail] == QI_FREE && qi->free_tail != qi->free_head) { qi->free_tail = (qi->free_tail + 1) % QI_LENGTH; qi->free_cnt++; } @@ -1350,8 +1348,16 @@ int qi_submit_sync(struct intel_iommu *iommu, struct qi_desc *desc, raw_spin_lock(&qi->q_lock); } - for (i = 0; i < count; i++) - qi->desc_status[(index + i) % QI_LENGTH] = QI_DONE; + /* + * The reclaim code can free descriptors from multiple submissions + * starting from the tail of the queue. When count == 0, the + * status of the standalone wait descriptor at the tail of the queue + * must be set to QI_FREE to allow the reclaim code to proceed. + * It is also possible that descriptors from one of the previous + * submissions has to be reclaimed by a subsequent submission. + */ + for (i = 0; i <= count; i++) + qi->desc_status[(index + i) % QI_LENGTH] = QI_FREE; reclaim_free_desc(qi); raw_spin_unlock_irqrestore(&qi->q_lock, flags); From f9db7bb112c428c39e756209c97b48eb4d85a98b Mon Sep 17 00:00:00 2001 From: Remington Brasga Date: Wed, 10 Jul 2024 00:12:44 +0000 Subject: [PATCH 333/649] jfs: UBSAN: shift-out-of-bounds in dbFindBits [ Upstream commit b0b2fc815e514221f01384f39fbfbff65d897e1c ] Fix issue with UBSAN throwing shift-out-of-bounds warning. Reported-by: syzbot+e38d703eeb410b17b473@syzkaller.appspotmail.com Signed-off-by: Remington Brasga Signed-off-by: Dave Kleikamp Signed-off-by: Sasha Levin --- fs/jfs/jfs_dmap.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/fs/jfs/jfs_dmap.c b/fs/jfs/jfs_dmap.c index 801996da08a4..750853367d4f 100644 --- a/fs/jfs/jfs_dmap.c +++ b/fs/jfs/jfs_dmap.c @@ -3084,7 +3084,7 @@ static int dbFindBits(u32 word, int l2nb) /* scan the word for nb free bits at nb alignments. */ - for (bitno = 0; mask != 0; bitno += nb, mask >>= nb) { + for (bitno = 0; mask != 0; bitno += nb, mask = (mask >> nb)) { if ((mask & word) == mask) break; } From 1ebfa6663807c144be8c8b6727375012409d2356 Mon Sep 17 00:00:00 2001 From: Srinivasan Shanmugam Date: Thu, 25 Jul 2024 07:23:48 +0530 Subject: [PATCH 334/649] drm/amd/display: Add null check for top_pipe_to_program in commit_planes_for_stream [ Upstream commit 66d71a72539e173a9b00ca0b1852cbaa5f5bf1ad ] This commit addresses a null pointer dereference issue in the `commit_planes_for_stream` function at line 4140. The issue could occur when `top_pipe_to_program` is null. The fix adds a check to ensure `top_pipe_to_program` is not null before accessing its stream_res. This prevents a null pointer dereference. Reported by smatch: drivers/gpu/drm/amd/amdgpu/../display/dc/core/dc.c:4140 commit_planes_for_stream() error: we previously assumed 'top_pipe_to_program' could be null (see line 3906) Cc: Tom Chung Cc: Rodrigo Siqueira Cc: Roman Li Cc: Alex Hung Cc: Aurabindo Pillai Cc: Harry Wentland Cc: Hamza Mahfooz Signed-off-by: Srinivasan Shanmugam Reviewed-by: Tom Chung Signed-off-by: Alex Deucher Signed-off-by: Sasha Levin --- drivers/gpu/drm/amd/display/dc/core/dc.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/drivers/gpu/drm/amd/display/dc/core/dc.c b/drivers/gpu/drm/amd/display/dc/core/dc.c index 272252cd0500..058759800923 100644 --- a/drivers/gpu/drm/amd/display/dc/core/dc.c +++ b/drivers/gpu/drm/amd/display/dc/core/dc.c @@ -2614,7 +2614,8 @@ static void commit_planes_for_stream(struct dc *dc, dc->hwss.pipe_control_lock(dc, top_pipe_to_program, false); if ((update_type != UPDATE_TYPE_FAST) && stream->update_flags.bits.dsc_changed) - if (top_pipe_to_program->stream_res.tg->funcs->lock_doublebuffer_enable) { + if (top_pipe_to_program && + top_pipe_to_program->stream_res.tg->funcs->lock_doublebuffer_enable) { top_pipe_to_program->stream_res.tg->funcs->wait_for_state( top_pipe_to_program->stream_res.tg, CRTC_STATE_VACTIVE); From fd026b6b6758d5569705c02540b40f3bbf822b9a Mon Sep 17 00:00:00 2001 From: Edward Adam Davis Date: Sat, 24 Aug 2024 10:50:48 +0800 Subject: [PATCH 335/649] jfs: Fix uaf in dbFreeBits [ Upstream commit d6c1b3599b2feb5c7291f5ac3a36e5fa7cedb234 ] [syzbot reported] ================================================================== BUG: KASAN: slab-use-after-free in __mutex_lock_common kernel/locking/mutex.c:587 [inline] BUG: KASAN: slab-use-after-free in __mutex_lock+0xfe/0xd70 kernel/locking/mutex.c:752 Read of size 8 at addr ffff8880229254b0 by task syz-executor357/5216 CPU: 0 UID: 0 PID: 5216 Comm: syz-executor357 Not tainted 6.11.0-rc3-syzkaller-00156-gd7a5aa4b3c00 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/27/2024 Call Trace: __dump_stack lib/dump_stack.c:93 [inline] dump_stack_lvl+0x241/0x360 lib/dump_stack.c:119 print_address_description mm/kasan/report.c:377 [inline] print_report+0x169/0x550 mm/kasan/report.c:488 kasan_report+0x143/0x180 mm/kasan/report.c:601 __mutex_lock_common kernel/locking/mutex.c:587 [inline] __mutex_lock+0xfe/0xd70 kernel/locking/mutex.c:752 dbFreeBits+0x7ea/0xd90 fs/jfs/jfs_dmap.c:2390 dbFreeDmap fs/jfs/jfs_dmap.c:2089 [inline] dbFree+0x35b/0x680 fs/jfs/jfs_dmap.c:409 dbDiscardAG+0x8a9/0xa20 fs/jfs/jfs_dmap.c:1650 jfs_ioc_trim+0x433/0x670 fs/jfs/jfs_discard.c:100 jfs_ioctl+0x2d0/0x3e0 fs/jfs/ioctl.c:131 vfs_ioctl fs/ioctl.c:51 [inline] __do_sys_ioctl fs/ioctl.c:907 [inline] __se_sys_ioctl+0xfc/0x170 fs/ioctl.c:893 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83 Freed by task 5218: kasan_save_stack mm/kasan/common.c:47 [inline] kasan_save_track+0x3f/0x80 mm/kasan/common.c:68 kasan_save_free_info+0x40/0x50 mm/kasan/generic.c:579 poison_slab_object+0xe0/0x150 mm/kasan/common.c:240 __kasan_slab_free+0x37/0x60 mm/kasan/common.c:256 kasan_slab_free include/linux/kasan.h:184 [inline] slab_free_hook mm/slub.c:2252 [inline] slab_free mm/slub.c:4473 [inline] kfree+0x149/0x360 mm/slub.c:4594 dbUnmount+0x11d/0x190 fs/jfs/jfs_dmap.c:278 jfs_mount_rw+0x4ac/0x6a0 fs/jfs/jfs_mount.c:247 jfs_remount+0x3d1/0x6b0 fs/jfs/super.c:454 reconfigure_super+0x445/0x880 fs/super.c:1083 vfs_cmd_reconfigure fs/fsopen.c:263 [inline] vfs_fsconfig_locked fs/fsopen.c:292 [inline] __do_sys_fsconfig fs/fsopen.c:473 [inline] __se_sys_fsconfig+0xb6e/0xf80 fs/fsopen.c:345 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f [Analysis] There are two paths (dbUnmount and jfs_ioc_trim) that generate race condition when accessing bmap, which leads to the occurrence of uaf. Use the lock s_umount to synchronize them, in order to avoid uaf caused by race condition. Reported-and-tested-by: syzbot+3c010e21296f33a5dc16@syzkaller.appspotmail.com Signed-off-by: Edward Adam Davis Signed-off-by: Dave Kleikamp Signed-off-by: Sasha Levin --- fs/jfs/jfs_discard.c | 11 +++++++++-- 1 file changed, 9 insertions(+), 2 deletions(-) diff --git a/fs/jfs/jfs_discard.c b/fs/jfs/jfs_discard.c index 575cb2ba74fc..5f4b305030ad 100644 --- a/fs/jfs/jfs_discard.c +++ b/fs/jfs/jfs_discard.c @@ -65,7 +65,7 @@ void jfs_issue_discard(struct inode *ip, u64 blkno, u64 nblocks) int jfs_ioc_trim(struct inode *ip, struct fstrim_range *range) { struct inode *ipbmap = JFS_SBI(ip->i_sb)->ipbmap; - struct bmap *bmp = JFS_SBI(ip->i_sb)->bmap; + struct bmap *bmp; struct super_block *sb = ipbmap->i_sb; int agno, agno_end; u64 start, end, minlen; @@ -83,10 +83,15 @@ int jfs_ioc_trim(struct inode *ip, struct fstrim_range *range) if (minlen == 0) minlen = 1; + down_read(&sb->s_umount); + bmp = JFS_SBI(ip->i_sb)->bmap; + if (minlen > bmp->db_agsize || start >= bmp->db_mapsize || - range->len < sb->s_blocksize) + range->len < sb->s_blocksize) { + up_read(&sb->s_umount); return -EINVAL; + } if (end >= bmp->db_mapsize) end = bmp->db_mapsize - 1; @@ -100,6 +105,8 @@ int jfs_ioc_trim(struct inode *ip, struct fstrim_range *range) trimmed += dbDiscardAG(ip, agno, minlen); agno++; } + + up_read(&sb->s_umount); range->len = trimmed << sb->s_blocksize_bits; return 0; From 2451e5917c56be45d4add786e2a059dd9c2c37c4 Mon Sep 17 00:00:00 2001 From: Edward Adam Davis Date: Sat, 24 Aug 2024 09:25:23 +0800 Subject: [PATCH 336/649] jfs: check if leafidx greater than num leaves per dmap tree [ Upstream commit d64ff0d2306713ff084d4b09f84ed1a8c75ecc32 ] syzbot report a out of bounds in dbSplit, it because dmt_leafidx greater than num leaves per dmap tree, add a checking for dmt_leafidx in dbFindLeaf. Shaggy: Modified sanity check to apply to control pages as well as leaf pages. Reported-and-tested-by: syzbot+dca05492eff41f604890@syzkaller.appspotmail.com Closes: https://syzkaller.appspot.com/bug?extid=dca05492eff41f604890 Signed-off-by: Edward Adam Davis Signed-off-by: Dave Kleikamp Signed-off-by: Sasha Levin --- fs/jfs/jfs_dmap.c | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-) diff --git a/fs/jfs/jfs_dmap.c b/fs/jfs/jfs_dmap.c index 750853367d4f..8efd93992946 100644 --- a/fs/jfs/jfs_dmap.c +++ b/fs/jfs/jfs_dmap.c @@ -3006,9 +3006,10 @@ static void dbAdjTree(dmtree_t *tp, int leafno, int newval, bool is_ctl) static int dbFindLeaf(dmtree_t *tp, int l2nb, int *leafidx, bool is_ctl) { int ti, n = 0, k, x = 0; - int max_size; + int max_size, max_idx; max_size = is_ctl ? CTLTREESIZE : TREESIZE; + max_idx = is_ctl ? LPERCTL : LPERDMAP; /* first check the root of the tree to see if there is * sufficient free space. @@ -3040,6 +3041,8 @@ static int dbFindLeaf(dmtree_t *tp, int l2nb, int *leafidx, bool is_ctl) */ assert(n < 4); } + if (le32_to_cpu(tp->dmt_leafidx) >= max_idx) + return -ENOSPC; /* set the return to the leftmost leaf describing sufficient * free space. From 8b1dcf25c26d42e4a68c4725ce52a0543c7878cc Mon Sep 17 00:00:00 2001 From: Zhao Mengmeng Date: Wed, 4 Sep 2024 09:07:58 +0800 Subject: [PATCH 337/649] jfs: Fix uninit-value access of new_ea in ea_buffer [ Upstream commit 2b59ffad47db1c46af25ccad157bb3b25147c35c ] syzbot reports that lzo1x_1_do_compress is using uninit-value: ===================================================== BUG: KMSAN: uninit-value in lzo1x_1_do_compress+0x19f9/0x2510 lib/lzo/lzo1x_compress.c:178 ... Uninit was stored to memory at: ea_put fs/jfs/xattr.c:639 [inline] ... Local variable ea_buf created at: __jfs_setxattr+0x5d/0x1ae0 fs/jfs/xattr.c:662 __jfs_xattr_set+0xe6/0x1f0 fs/jfs/xattr.c:934 ===================================================== The reason is ea_buf->new_ea is not initialized properly. Fix this by using memset to empty its content at the beginning in ea_get(). Reported-by: syzbot+02341e0daa42a15ce130@syzkaller.appspotmail.com Closes: https://syzkaller.appspot.com/bug?extid=02341e0daa42a15ce130 Signed-off-by: Zhao Mengmeng Signed-off-by: Dave Kleikamp Signed-off-by: Sasha Levin --- fs/jfs/xattr.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/fs/jfs/xattr.c b/fs/jfs/xattr.c index aea5531559c0..4ebee6e4dc1f 100644 --- a/fs/jfs/xattr.c +++ b/fs/jfs/xattr.c @@ -434,6 +434,8 @@ static int ea_get(struct inode *inode, struct ea_buffer *ea_buf, int min_size) int rc; int quota_allocation = 0; + memset(&ea_buf->new_ea, 0, sizeof(ea_buf->new_ea)); + /* When fsck.jfs clears a bad ea, it doesn't clear the size */ if (ji->ea.flag == 0) ea_size = 0; From e407715e7a8dba212defbf7b59c524269a1bf5c1 Mon Sep 17 00:00:00 2001 From: Peng Liu Date: Fri, 30 Aug 2024 15:25:54 +0800 Subject: [PATCH 338/649] drm/amdgpu: add raven1 gfxoff quirk [ Upstream commit 0126c0ae11e8b52ecfde9d1b174ee2f32d6c3a5d ] Fix screen corruption with openkylin. Link: https://bbs.openkylin.top/t/topic/171497 Signed-off-by: Peng Liu Signed-off-by: Alex Deucher Signed-off-by: Sasha Levin --- drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c b/drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c index acef2227d992..3f320ead85d1 100644 --- a/drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c +++ b/drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c @@ -1250,6 +1250,8 @@ static const struct amdgpu_gfxoff_quirk amdgpu_gfxoff_quirk_list[] = { { 0x1002, 0x15dd, 0x1002, 0x15dd, 0xc6 }, /* Apple MacBook Pro (15-inch, 2019) Radeon Pro Vega 20 4 GB */ { 0x1002, 0x69af, 0x106b, 0x019a, 0xc0 }, + /* https://bbs.openkylin.top/t/topic/171497 */ + { 0x1002, 0x15d8, 0x19e5, 0x3e14, 0xc2 }, { 0, 0, 0, 0, 0 }, }; From 831e8a816e09f7d7f39973f5271d8905f78f0431 Mon Sep 17 00:00:00 2001 From: Peng Liu Date: Fri, 30 Aug 2024 15:27:08 +0800 Subject: [PATCH 339/649] drm/amdgpu: enable gfxoff quirk on HP 705G4 [ Upstream commit 2c7795e245d993bcba2f716a8c93a5891ef910c9 ] Enabling gfxoff quirk results in perfectly usable graphical user interface on HP 705G4 DM with R5 2400G. Without the quirk, X server is completely unusable as every few seconds there is gpu reset due to ring gfx timeout. Signed-off-by: Peng Liu Signed-off-by: Alex Deucher Signed-off-by: Sasha Levin --- drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c b/drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c index 3f320ead85d1..432c24f3c798 100644 --- a/drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c +++ b/drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c @@ -1252,6 +1252,8 @@ static const struct amdgpu_gfxoff_quirk amdgpu_gfxoff_quirk_list[] = { { 0x1002, 0x69af, 0x106b, 0x019a, 0xc0 }, /* https://bbs.openkylin.top/t/topic/171497 */ { 0x1002, 0x15d8, 0x19e5, 0x3e14, 0xc2 }, + /* HP 705G4 DM with R5 2400G */ + { 0x1002, 0x15dd, 0x103c, 0x8464, 0xd6 }, { 0, 0, 0, 0, 0 }, }; From e2743d0a03b25f53ca67b9cbe94764d4039290f3 Mon Sep 17 00:00:00 2001 From: Ckath Date: Wed, 11 Sep 2024 21:12:40 +0200 Subject: [PATCH 340/649] platform/x86: touchscreen_dmi: add nanote-next quirk [ Upstream commit c11619af35bae5884029bd14170c3e4b55ddf6f3 ] Add touschscreen info for the nanote next (UMPC-03-SR). After checking with multiple owners the DMI info really is this generic. Signed-off-by: Ckath Link: https://lore.kernel.org/r/e8dda83a-10ae-42cf-a061-5d29be0d193a@yandex.ru Reviewed-by: Hans de Goede Signed-off-by: Hans de Goede Signed-off-by: Sasha Levin --- drivers/platform/x86/touchscreen_dmi.c | 26 ++++++++++++++++++++++++++ 1 file changed, 26 insertions(+) diff --git a/drivers/platform/x86/touchscreen_dmi.c b/drivers/platform/x86/touchscreen_dmi.c index dce2d26b1d0f..eff29dc7e2c6 100644 --- a/drivers/platform/x86/touchscreen_dmi.c +++ b/drivers/platform/x86/touchscreen_dmi.c @@ -840,6 +840,21 @@ static const struct ts_dmi_data rwc_nanote_p8_data = { .properties = rwc_nanote_p8_props, }; +static const struct property_entry rwc_nanote_next_props[] = { + PROPERTY_ENTRY_U32("touchscreen-min-x", 5), + PROPERTY_ENTRY_U32("touchscreen-min-y", 5), + PROPERTY_ENTRY_U32("touchscreen-size-x", 1785), + PROPERTY_ENTRY_U32("touchscreen-size-y", 1145), + PROPERTY_ENTRY_BOOL("touchscreen-inverted-y"), + PROPERTY_ENTRY_STRING("firmware-name", "gsl1680-rwc-nanote-next.fw"), + { } +}; + +static const struct ts_dmi_data rwc_nanote_next_data = { + .acpi_name = "MSSL1680:00", + .properties = rwc_nanote_next_props, +}; + static const struct property_entry schneider_sct101ctm_props[] = { PROPERTY_ENTRY_U32("touchscreen-size-x", 1715), PROPERTY_ENTRY_U32("touchscreen-size-y", 1140), @@ -1509,6 +1524,17 @@ const struct dmi_system_id touchscreen_dmi_table[] = { DMI_MATCH(DMI_PRODUCT_SKU, "0001") }, }, + { + /* RWC NANOTE NEXT */ + .driver_data = (void *)&rwc_nanote_next_data, + .matches = { + DMI_MATCH(DMI_PRODUCT_NAME, "To be filled by O.E.M."), + DMI_MATCH(DMI_BOARD_NAME, "To be filled by O.E.M."), + DMI_MATCH(DMI_BOARD_VENDOR, "To be filled by O.E.M."), + /* Above matches are too generic, add bios-version match */ + DMI_MATCH(DMI_BIOS_VERSION, "S8A70R100-V005"), + }, + }, { /* Schneider SCT101CTM */ .driver_data = (void *)&schneider_sct101ctm_data, From 0167d570f6a0b38689c4a0e50bf79c518d827500 Mon Sep 17 00:00:00 2001 From: Alex Hung Date: Thu, 27 Jun 2024 20:05:14 -0600 Subject: [PATCH 341/649] drm/amd/display: Check stream before comparing them [ Upstream commit 35ff747c86767937ee1e0ca987545b7eed7a0810 ] [WHAT & HOW] amdgpu_dm can pass a null stream to dc_is_stream_unchanged. It is necessary to check for null before dereferencing them. This fixes 1 FORWARD_NULL issue reported by Coverity. Reviewed-by: Rodrigo Siqueira Signed-off-by: Jerry Zuo Signed-off-by: Alex Hung Tested-by: Daniel Wheeler Signed-off-by: Alex Deucher Signed-off-by: Sasha Levin --- drivers/gpu/drm/amd/display/dc/core/dc_resource.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/drivers/gpu/drm/amd/display/dc/core/dc_resource.c b/drivers/gpu/drm/amd/display/dc/core/dc_resource.c index 0a13c06eea44..3af9591baa76 100644 --- a/drivers/gpu/drm/amd/display/dc/core/dc_resource.c +++ b/drivers/gpu/drm/amd/display/dc/core/dc_resource.c @@ -1697,6 +1697,8 @@ static bool are_stream_backends_same( bool dc_is_stream_unchanged( struct dc_stream_state *old_stream, struct dc_stream_state *stream) { + if (!old_stream || !stream) + return false; if (!are_stream_backends_same(old_stream, stream)) return false; From ad89f83343a501890cf082c8a584e96b59fe4015 Mon Sep 17 00:00:00 2001 From: Srinivasan Shanmugam Date: Sat, 20 Jul 2024 18:44:02 +0530 Subject: [PATCH 342/649] drm/amd/display: Fix index out of bounds in DCN30 degamma hardware format translation [ Upstream commit bc50b614d59990747dd5aeced9ec22f9258991ff ] This commit addresses a potential index out of bounds issue in the `cm3_helper_translate_curve_to_degamma_hw_format` function in the DCN30 color management module. The issue could occur when the index 'i' exceeds the number of transfer function points (TRANSFER_FUNC_POINTS). The fix adds a check to ensure 'i' is within bounds before accessing the transfer function points. If 'i' is out of bounds, the function returns false to indicate an error. Reported by smatch: drivers/gpu/drm/amd/amdgpu/../display/dc/dcn30/dcn30_cm_common.c:338 cm3_helper_translate_curve_to_degamma_hw_format() error: buffer overflow 'output_tf->tf_pts.red' 1025 <= s32max drivers/gpu/drm/amd/amdgpu/../display/dc/dcn30/dcn30_cm_common.c:339 cm3_helper_translate_curve_to_degamma_hw_format() error: buffer overflow 'output_tf->tf_pts.green' 1025 <= s32max drivers/gpu/drm/amd/amdgpu/../display/dc/dcn30/dcn30_cm_common.c:340 cm3_helper_translate_curve_to_degamma_hw_format() error: buffer overflow 'output_tf->tf_pts.blue' 1025 <= s32max Cc: Tom Chung Cc: Rodrigo Siqueira Cc: Roman Li Cc: Alex Hung Cc: Aurabindo Pillai Cc: Harry Wentland Cc: Hamza Mahfooz Signed-off-by: Srinivasan Shanmugam Reviewed-by: Tom Chung Signed-off-by: Alex Deucher Signed-off-by: Sasha Levin --- drivers/gpu/drm/amd/display/dc/dcn30/dcn30_cm_common.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/drivers/gpu/drm/amd/display/dc/dcn30/dcn30_cm_common.c b/drivers/gpu/drm/amd/display/dc/dcn30/dcn30_cm_common.c index e0df9b0065f9..e0b1fc92ed18 100644 --- a/drivers/gpu/drm/amd/display/dc/dcn30/dcn30_cm_common.c +++ b/drivers/gpu/drm/amd/display/dc/dcn30/dcn30_cm_common.c @@ -355,6 +355,8 @@ bool cm3_helper_translate_curve_to_degamma_hw_format( i += increment) { if (j == hw_points - 1) break; + if (i >= TRANSFER_FUNC_POINTS) + return false; rgb_resulted[j].red = output_tf->tf_pts.red[i]; rgb_resulted[j].green = output_tf->tf_pts.green[i]; rgb_resulted[j].blue = output_tf->tf_pts.blue[i]; From c130a3c09e3746c1a09ce26c20d21d449d039b1d Mon Sep 17 00:00:00 2001 From: Srinivasan Shanmugam Date: Sat, 20 Jul 2024 17:48:27 +0530 Subject: [PATCH 343/649] drm/amd/display: Fix index out of bounds in degamma hardware format translation [ Upstream commit b7e99058eb2e86aabd7a10761e76cae33d22b49f ] Fixes index out of bounds issue in `cm_helper_translate_curve_to_degamma_hw_format` function. The issue could occur when the index 'i' exceeds the number of transfer function points (TRANSFER_FUNC_POINTS). The fix adds a check to ensure 'i' is within bounds before accessing the transfer function points. If 'i' is out of bounds the function returns false to indicate an error. Reported by smatch: drivers/gpu/drm/amd/amdgpu/../display/dc/dcn10/dcn10_cm_common.c:594 cm_helper_translate_curve_to_degamma_hw_format() error: buffer overflow 'output_tf->tf_pts.red' 1025 <= s32max drivers/gpu/drm/amd/amdgpu/../display/dc/dcn10/dcn10_cm_common.c:595 cm_helper_translate_curve_to_degamma_hw_format() error: buffer overflow 'output_tf->tf_pts.green' 1025 <= s32max drivers/gpu/drm/amd/amdgpu/../display/dc/dcn10/dcn10_cm_common.c:596 cm_helper_translate_curve_to_degamma_hw_format() error: buffer overflow 'output_tf->tf_pts.blue' 1025 <= s32max Cc: Tom Chung Cc: Rodrigo Siqueira Cc: Roman Li Cc: Alex Hung Cc: Aurabindo Pillai Cc: Harry Wentland Cc: Hamza Mahfooz Signed-off-by: Srinivasan Shanmugam Reviewed-by: Tom Chung Signed-off-by: Alex Deucher Signed-off-by: Sasha Levin --- drivers/gpu/drm/amd/display/dc/dcn10/dcn10_cm_common.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_cm_common.c b/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_cm_common.c index bd9bc51983fe..da7aeb9c4632 100644 --- a/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_cm_common.c +++ b/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_cm_common.c @@ -560,6 +560,8 @@ bool cm_helper_translate_curve_to_degamma_hw_format( i += increment) { if (j == hw_points - 1) break; + if (i >= TRANSFER_FUNC_POINTS) + return false; rgb_resulted[j].red = output_tf->tf_pts.red[i]; rgb_resulted[j].green = output_tf->tf_pts.green[i]; rgb_resulted[j].blue = output_tf->tf_pts.blue[i]; From 7ab69af56a23859b647dee69fa1052c689343621 Mon Sep 17 00:00:00 2001 From: Srinivasan Shanmugam Date: Sat, 20 Jul 2024 18:05:20 +0530 Subject: [PATCH 344/649] drm/amd/display: Fix index out of bounds in DCN30 color transformation [ Upstream commit d81873f9e715b72d4f8d391c8eb243946f784dfc ] This commit addresses a potential index out of bounds issue in the `cm3_helper_translate_curve_to_hw_format` function in the DCN30 color management module. The issue could occur when the index 'i' exceeds the number of transfer function points (TRANSFER_FUNC_POINTS). The fix adds a check to ensure 'i' is within bounds before accessing the transfer function points. If 'i' is out of bounds, the function returns false to indicate an error. drivers/gpu/drm/amd/amdgpu/../display/dc/dcn30/dcn30_cm_common.c:180 cm3_helper_translate_curve_to_hw_format() error: buffer overflow 'output_tf->tf_pts.red' 1025 <= s32max drivers/gpu/drm/amd/amdgpu/../display/dc/dcn30/dcn30_cm_common.c:181 cm3_helper_translate_curve_to_hw_format() error: buffer overflow 'output_tf->tf_pts.green' 1025 <= s32max drivers/gpu/drm/amd/amdgpu/../display/dc/dcn30/dcn30_cm_common.c:182 cm3_helper_translate_curve_to_hw_format() error: buffer overflow 'output_tf->tf_pts.blue' 1025 <= s32max Cc: Tom Chung Cc: Rodrigo Siqueira Cc: Roman Li Cc: Alex Hung Cc: Aurabindo Pillai Cc: Harry Wentland Cc: Hamza Mahfooz Signed-off-by: Srinivasan Shanmugam Reviewed-by: Tom Chung Signed-off-by: Alex Deucher Signed-off-by: Sasha Levin --- drivers/gpu/drm/amd/display/dc/dcn30/dcn30_cm_common.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/drivers/gpu/drm/amd/display/dc/dcn30/dcn30_cm_common.c b/drivers/gpu/drm/amd/display/dc/dcn30/dcn30_cm_common.c index e0b1fc92ed18..62c02adae7e7 100644 --- a/drivers/gpu/drm/amd/display/dc/dcn30/dcn30_cm_common.c +++ b/drivers/gpu/drm/amd/display/dc/dcn30/dcn30_cm_common.c @@ -178,6 +178,8 @@ bool cm3_helper_translate_curve_to_hw_format( i += increment) { if (j == hw_points - 1) break; + if (i >= TRANSFER_FUNC_POINTS) + return false; rgb_resulted[j].red = output_tf->tf_pts.red[i]; rgb_resulted[j].green = output_tf->tf_pts.green[i]; rgb_resulted[j].blue = output_tf->tf_pts.blue[i]; From f921335123f6620c3dce5c96fbb95f18524a021c Mon Sep 17 00:00:00 2001 From: Alex Hung Date: Mon, 15 Jul 2024 09:57:01 -0600 Subject: [PATCH 345/649] drm/amd/display: Initialize get_bytes_per_element's default to 1 [ Upstream commit 4067f4fa0423a89fb19a30b57231b384d77d2610 ] Variables, used as denominators and maybe not assigned to other values, should not be 0. bytes_per_element_y & bytes_per_element_c are initialized by get_bytes_per_element() which should never return 0. This fixes 10 DIVIDE_BY_ZERO issues reported by Coverity. Signed-off-by: Alex Hung Reviewed-by: Aurabindo Pillai Tested-by: Daniel Wheeler Signed-off-by: Rodrigo Siqueira Signed-off-by: Alex Deucher Signed-off-by: Sasha Levin --- .../gpu/drm/amd/display/dc/dml/dcn20/display_rq_dlg_calc_20v2.c | 2 +- .../gpu/drm/amd/display/dc/dml/dcn21/display_rq_dlg_calc_21.c | 2 +- 2 files changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/gpu/drm/amd/display/dc/dml/dcn20/display_rq_dlg_calc_20v2.c b/drivers/gpu/drm/amd/display/dc/dml/dcn20/display_rq_dlg_calc_20v2.c index 6a6d5970d1d5..0388694572f5 100644 --- a/drivers/gpu/drm/amd/display/dc/dml/dcn20/display_rq_dlg_calc_20v2.c +++ b/drivers/gpu/drm/amd/display/dc/dml/dcn20/display_rq_dlg_calc_20v2.c @@ -78,7 +78,7 @@ static void calculate_ttu_cursor(struct display_mode_lib *mode_lib, static unsigned int get_bytes_per_element(enum source_format_class source_format, bool is_chroma) { - unsigned int ret_val = 0; + unsigned int ret_val = 1; if (source_format == dm_444_16) { if (!is_chroma) diff --git a/drivers/gpu/drm/amd/display/dc/dml/dcn21/display_rq_dlg_calc_21.c b/drivers/gpu/drm/amd/display/dc/dml/dcn21/display_rq_dlg_calc_21.c index dc1c81a6e377..8593fd07116a 100644 --- a/drivers/gpu/drm/amd/display/dc/dml/dcn21/display_rq_dlg_calc_21.c +++ b/drivers/gpu/drm/amd/display/dc/dml/dcn21/display_rq_dlg_calc_21.c @@ -53,7 +53,7 @@ static void calculate_ttu_cursor( static unsigned int get_bytes_per_element(enum source_format_class source_format, bool is_chroma) { - unsigned int ret_val = 0; + unsigned int ret_val = 1; if (source_format == dm_444_16) { if (!is_chroma) From cf387300b81976ca4451a4014d3b06cc5fcb0429 Mon Sep 17 00:00:00 2001 From: Matthew Brost Date: Thu, 1 Aug 2024 08:41:17 -0700 Subject: [PATCH 346/649] drm/printer: Allow NULL data in devcoredump printer [ Upstream commit 53369581dc0c68a5700ed51e1660f44c4b2bb524 ] We want to determine the size of the devcoredump before writing it out. To that end, we will run the devcoredump printer with NULL data to get the size, alloc data based on the generated offset, then run the devcorecump again with a valid data pointer to print. This necessitates not writing data to the data pointer on the initial pass, when it is NULL. v5: - Better commit message (Jonathan) - Add kerenl doc with examples (Jani) Cc: Maarten Lankhorst Acked-by: Maarten Lankhorst Signed-off-by: Matthew Brost Reviewed-by: Jonathan Cavitt Link: https://patchwork.freedesktop.org/patch/msgid/20240801154118.2547543-3-matthew.brost@intel.com Signed-off-by: Sasha Levin --- drivers/gpu/drm/drm_print.c | 13 +++++---- include/drm/drm_print.h | 54 ++++++++++++++++++++++++++++++++++++- 2 files changed, 61 insertions(+), 6 deletions(-) diff --git a/drivers/gpu/drm/drm_print.c b/drivers/gpu/drm/drm_print.c index 111b932cf2a9..02fdf001b047 100644 --- a/drivers/gpu/drm/drm_print.c +++ b/drivers/gpu/drm/drm_print.c @@ -78,8 +78,9 @@ void __drm_puts_coredump(struct drm_printer *p, const char *str) copy = iterator->remain; /* Copy out the bit of the string that we need */ - memcpy(iterator->data, - str + (iterator->start - iterator->offset), copy); + if (iterator->data) + memcpy(iterator->data, + str + (iterator->start - iterator->offset), copy); iterator->offset = iterator->start + copy; iterator->remain -= copy; @@ -88,7 +89,8 @@ void __drm_puts_coredump(struct drm_printer *p, const char *str) len = min_t(ssize_t, strlen(str), iterator->remain); - memcpy(iterator->data + pos, str, len); + if (iterator->data) + memcpy(iterator->data + pos, str, len); iterator->offset += len; iterator->remain -= len; @@ -118,8 +120,9 @@ void __drm_printfn_coredump(struct drm_printer *p, struct va_format *vaf) if ((iterator->offset >= iterator->start) && (len < iterator->remain)) { ssize_t pos = iterator->offset - iterator->start; - snprintf(((char *) iterator->data) + pos, - iterator->remain, "%pV", vaf); + if (iterator->data) + snprintf(((char *) iterator->data) + pos, + iterator->remain, "%pV", vaf); iterator->offset += len; iterator->remain -= len; diff --git a/include/drm/drm_print.h b/include/drm/drm_print.h index f32d179e139d..037b51c166e1 100644 --- a/include/drm/drm_print.h +++ b/include/drm/drm_print.h @@ -121,7 +121,8 @@ drm_vprintf(struct drm_printer *p, const char *fmt, va_list *va) /** * struct drm_print_iterator - local struct used with drm_printer_coredump - * @data: Pointer to the devcoredump output buffer + * @data: Pointer to the devcoredump output buffer, can be NULL if using + * drm_printer_coredump to determine size of devcoredump * @start: The offset within the buffer to start writing * @remain: The number of bytes to write for this iteration */ @@ -166,6 +167,57 @@ struct drm_print_iterator { * coredump_read, ...) * } * + * The above example has a time complexity of O(N^2), where N is the size of the + * devcoredump. This is acceptable for small devcoredumps but scales poorly for + * larger ones. + * + * Another use case for drm_coredump_printer is to capture the devcoredump into + * a saved buffer before the dev_coredump() callback. This involves two passes: + * one to determine the size of the devcoredump and another to print it to a + * buffer. Then, in dev_coredump(), copy from the saved buffer into the + * devcoredump read buffer. + * + * For example:: + * + * char *devcoredump_saved_buffer; + * + * ssize_t __coredump_print(char *buffer, ssize_t count, ...) + * { + * struct drm_print_iterator iter; + * struct drm_printer p; + * + * iter.data = buffer; + * iter.start = 0; + * iter.remain = count; + * + * p = drm_coredump_printer(&iter); + * + * drm_printf(p, "foo=%d\n", foo); + * ... + * return count - iter.remain; + * } + * + * void coredump_print(...) + * { + * ssize_t count; + * + * count = __coredump_print(NULL, INT_MAX, ...); + * devcoredump_saved_buffer = kvmalloc(count, GFP_KERNEL); + * __coredump_print(devcoredump_saved_buffer, count, ...); + * } + * + * void coredump_read(char *buffer, loff_t offset, size_t count, + * void *data, size_t datalen) + * { + * ... + * memcpy(buffer, devcoredump_saved_buffer + offset, count); + * ... + * } + * + * The above example has a time complexity of O(N*2), where N is the size of the + * devcoredump. This scales better than the previous example for larger + * devcoredumps. + * * RETURNS: * The &drm_printer object */ From aec72bfbc19841a794acaa0d4600af4af328fcd2 Mon Sep 17 00:00:00 2001 From: Kees Cook Date: Thu, 11 Jul 2024 14:57:37 -0700 Subject: [PATCH 347/649] scsi: aacraid: Rearrange order of struct aac_srb_unit [ Upstream commit 6e5860b0ad4934baee8c7a202c02033b2631bb44 ] struct aac_srb_unit contains struct aac_srb, which contains struct sgmap, which ends in a (currently) "fake" (1-element) flexible array. Converting this to a flexible array is needed so that runtime bounds checking won't think the array is fixed size (i.e. under CONFIG_FORTIFY_SOURCE=y and/or CONFIG_UBSAN_BOUNDS=y), as other parts of aacraid use struct sgmap as a flexible array. It is not legal to have a flexible array in the middle of a structure, so it either needs to be split up or rearranged so that it is at the end of the structure. Luckily, struct aac_srb_unit, which is exclusively consumed/updated by aac_send_safw_bmic_cmd(), does not depend on member ordering. The values set in the on-stack struct aac_srb_unit instance "srbu" by the only two callers, aac_issue_safw_bmic_identify() and aac_get_safw_ciss_luns(), do not contain anything in srbu.srb.sgmap.sg, and they both implicitly initialize srbu.srb.sgmap.count to 0 during memset(). For example: memset(&srbu, 0, sizeof(struct aac_srb_unit)); srbcmd = &srbu.srb; srbcmd->flags = cpu_to_le32(SRB_DataIn); srbcmd->cdb[0] = CISS_REPORT_PHYSICAL_LUNS; srbcmd->cdb[1] = 2; /* extended reporting */ srbcmd->cdb[8] = (u8)(datasize >> 8); srbcmd->cdb[9] = (u8)(datasize); rcode = aac_send_safw_bmic_cmd(dev, &srbu, phys_luns, datasize); During aac_send_safw_bmic_cmd(), a separate srb is mapped into DMA, and has srbu.srb copied into it: srb = fib_data(fibptr); memcpy(srb, &srbu->srb, sizeof(struct aac_srb)); Only then is srb.sgmap.count written and srb->sg populated: srb->count = cpu_to_le32(xfer_len); sg64 = (struct sgmap64 *)&srb->sg; sg64->count = cpu_to_le32(1); sg64->sg[0].addr[1] = cpu_to_le32(upper_32_bits(addr)); sg64->sg[0].addr[0] = cpu_to_le32(lower_32_bits(addr)); sg64->sg[0].count = cpu_to_le32(xfer_len); But this is happening in the DMA memory, not in srbu.srb. An attempt to copy the changes back to srbu does happen: /* * Copy the updated data for other dumping or other usage if * needed */ memcpy(&srbu->srb, srb, sizeof(struct aac_srb)); But this was never correct: the sg64 (3 u32s) overlap of srb.sg (2 u32s) always meant that srbu.srb would have held truncated information and any attempt to walk srbu.srb.sg.sg based on the value of srbu.srb.sg.count would result in attempting to parse past the end of srbu.srb.sg.sg[0] into srbu.srb_reply. After getting a reply from hardware, the reply is copied into srbu.srb_reply: srb_reply = (struct aac_srb_reply *)fib_data(fibptr); memcpy(&srbu->srb_reply, srb_reply, sizeof(struct aac_srb_reply)); This has always been fixed-size, so there's no issue here. It is worth noting that the two callers _never check_ srbu contents -- neither srbu.srb nor srbu.srb_reply is examined. (They depend on the mapped xfer_buf instead.) Therefore, the ordering of members in struct aac_srb_unit does not matter, and the flexible array member can moved to the end. (Additionally, the two memcpy()s that update srbu could be entirely removed as they are never consumed, but I left that as-is.) Signed-off-by: Kees Cook Link: https://lore.kernel.org/r/20240711215739.208776-1-kees@kernel.org Signed-off-by: Martin K. Petersen Signed-off-by: Sasha Levin --- drivers/scsi/aacraid/aacraid.h | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/scsi/aacraid/aacraid.h b/drivers/scsi/aacraid/aacraid.h index e3e4ecbea726..76c88610c6d7 100644 --- a/drivers/scsi/aacraid/aacraid.h +++ b/drivers/scsi/aacraid/aacraid.h @@ -2028,8 +2028,8 @@ struct aac_srb_reply }; struct aac_srb_unit { - struct aac_srb srb; struct aac_srb_reply srb_reply; + struct aac_srb srb; }; /* From 0a377fcacefd91666733a285f5263627385342f3 Mon Sep 17 00:00:00 2001 From: Geert Uytterhoeven Date: Tue, 30 Jul 2024 17:58:12 +0200 Subject: [PATCH 348/649] drm/radeon/r100: Handle unknown family in r100_cp_init_microcode() MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit [ Upstream commit c6dbab46324b1742b50dc2fb5c1fee2c28129439 ] With -Werror: In function ‘r100_cp_init_microcode’, inlined from ‘r100_cp_init’ at drivers/gpu/drm/radeon/r100.c:1136:7: include/linux/printk.h:465:44: error: ‘%s’ directive argument is null [-Werror=format-overflow=] 465 | #define printk(fmt, ...) printk_index_wrap(_printk, fmt, ##__VA_ARGS__) | ^ include/linux/printk.h:437:17: note: in definition of macro ‘printk_index_wrap’ 437 | _p_func(_fmt, ##__VA_ARGS__); \ | ^~~~~~~ include/linux/printk.h:508:9: note: in expansion of macro ‘printk’ 508 | printk(KERN_ERR pr_fmt(fmt), ##__VA_ARGS__) | ^~~~~~ drivers/gpu/drm/radeon/r100.c:1062:17: note: in expansion of macro ‘pr_err’ 1062 | pr_err("radeon_cp: Failed to load firmware \"%s\"\n", fw_name); | ^~~~~~ Fix this by converting the if/else if/... construct into a proper switch() statement with a default to handle the error case. As a bonus, the generated code is ca. 100 bytes smaller (with gcc 11.4.0 targeting arm32). Signed-off-by: Geert Uytterhoeven Signed-off-by: Alex Deucher Signed-off-by: Sasha Levin --- drivers/gpu/drm/radeon/r100.c | 70 ++++++++++++++++++++++------------- 1 file changed, 45 insertions(+), 25 deletions(-) diff --git a/drivers/gpu/drm/radeon/r100.c b/drivers/gpu/drm/radeon/r100.c index 6e4600c21697..654155b440e5 100644 --- a/drivers/gpu/drm/radeon/r100.c +++ b/drivers/gpu/drm/radeon/r100.c @@ -1005,45 +1005,65 @@ static int r100_cp_init_microcode(struct radeon_device *rdev) DRM_DEBUG_KMS("\n"); - if ((rdev->family == CHIP_R100) || (rdev->family == CHIP_RV100) || - (rdev->family == CHIP_RV200) || (rdev->family == CHIP_RS100) || - (rdev->family == CHIP_RS200)) { + switch (rdev->family) { + case CHIP_R100: + case CHIP_RV100: + case CHIP_RV200: + case CHIP_RS100: + case CHIP_RS200: DRM_INFO("Loading R100 Microcode\n"); fw_name = FIRMWARE_R100; - } else if ((rdev->family == CHIP_R200) || - (rdev->family == CHIP_RV250) || - (rdev->family == CHIP_RV280) || - (rdev->family == CHIP_RS300)) { + break; + + case CHIP_R200: + case CHIP_RV250: + case CHIP_RV280: + case CHIP_RS300: DRM_INFO("Loading R200 Microcode\n"); fw_name = FIRMWARE_R200; - } else if ((rdev->family == CHIP_R300) || - (rdev->family == CHIP_R350) || - (rdev->family == CHIP_RV350) || - (rdev->family == CHIP_RV380) || - (rdev->family == CHIP_RS400) || - (rdev->family == CHIP_RS480)) { + break; + + case CHIP_R300: + case CHIP_R350: + case CHIP_RV350: + case CHIP_RV380: + case CHIP_RS400: + case CHIP_RS480: DRM_INFO("Loading R300 Microcode\n"); fw_name = FIRMWARE_R300; - } else if ((rdev->family == CHIP_R420) || - (rdev->family == CHIP_R423) || - (rdev->family == CHIP_RV410)) { + break; + + case CHIP_R420: + case CHIP_R423: + case CHIP_RV410: DRM_INFO("Loading R400 Microcode\n"); fw_name = FIRMWARE_R420; - } else if ((rdev->family == CHIP_RS690) || - (rdev->family == CHIP_RS740)) { + break; + + case CHIP_RS690: + case CHIP_RS740: DRM_INFO("Loading RS690/RS740 Microcode\n"); fw_name = FIRMWARE_RS690; - } else if (rdev->family == CHIP_RS600) { + break; + + case CHIP_RS600: DRM_INFO("Loading RS600 Microcode\n"); fw_name = FIRMWARE_RS600; - } else if ((rdev->family == CHIP_RV515) || - (rdev->family == CHIP_R520) || - (rdev->family == CHIP_RV530) || - (rdev->family == CHIP_R580) || - (rdev->family == CHIP_RV560) || - (rdev->family == CHIP_RV570)) { + break; + + case CHIP_RV515: + case CHIP_R520: + case CHIP_RV530: + case CHIP_R580: + case CHIP_RV560: + case CHIP_RV570: DRM_INFO("Loading R500 Microcode\n"); fw_name = FIRMWARE_R520; + break; + + default: + DRM_ERROR("Unsupported Radeon family %u\n", rdev->family); + return -EINVAL; } err = request_firmware(&rdev->me_fw, fw_name, rdev->dev); From 29f388945770bd0a6c82711436b2bc98b0dfac92 Mon Sep 17 00:00:00 2001 From: Tim Huang Date: Wed, 7 Aug 2024 17:15:12 +0800 Subject: [PATCH 349/649] drm/amd/pm: ensure the fw_info is not null before using it [ Upstream commit 186fb12e7a7b038c2710ceb2fb74068f1b5d55a4 ] This resolves the dereference null return value warning reported by Coverity. Signed-off-by: Tim Huang Reviewed-by: Jesse Zhang Signed-off-by: Alex Deucher Signed-off-by: Sasha Levin --- drivers/gpu/drm/amd/pm/powerplay/hwmgr/processpptables.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/drivers/gpu/drm/amd/pm/powerplay/hwmgr/processpptables.c b/drivers/gpu/drm/amd/pm/powerplay/hwmgr/processpptables.c index 6606511891e3..04bf14cdefad 100644 --- a/drivers/gpu/drm/amd/pm/powerplay/hwmgr/processpptables.c +++ b/drivers/gpu/drm/amd/pm/powerplay/hwmgr/processpptables.c @@ -1189,6 +1189,8 @@ static int init_overdrive_limits(struct pp_hwmgr *hwmgr, fw_info = smu_atom_get_data_table(hwmgr->adev, GetIndexIntoMasterTable(DATA, FirmwareInfo), &size, &frev, &crev); + PP_ASSERT_WITH_CODE(fw_info != NULL, + "Missing firmware info!", return -EINVAL); if ((fw_info->ucTableFormatRevision == 1) && (le16_to_cpu(fw_info->usStructureSize) >= sizeof(ATOM_FIRMWARE_INFO_V1_4))) From e82df17e5f3291eb166c7ef163523281196e7036 Mon Sep 17 00:00:00 2001 From: Geert Uytterhoeven Date: Tue, 20 Aug 2024 14:16:53 +0200 Subject: [PATCH 350/649] of/irq: Refer to actual buffer size in of_irq_parse_one() [ Upstream commit 39ab331ab5d377a18fbf5a0e0b228205edfcc7f4 ] Replace two open-coded calculations of the buffer size by invocations of sizeof() on the buffer itself, to make sure the code will always use the actual buffer size. Signed-off-by: Geert Uytterhoeven Link: https://lore.kernel.org/r/817c0b9626fd30790fc488c472a3398324cfcc0c.1724156125.git.geert+renesas@glider.be Signed-off-by: Rob Herring (Arm) Signed-off-by: Sasha Levin --- drivers/of/irq.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/of/irq.c b/drivers/of/irq.c index ad0cb49e233a..70ac9cb3b2c6 100644 --- a/drivers/of/irq.c +++ b/drivers/of/irq.c @@ -301,8 +301,8 @@ int of_irq_parse_one(struct device_node *device, int index, struct of_phandle_ar addr = of_get_property(device, "reg", &addr_len); /* Prevent out-of-bounds read in case of longer interrupt parent address size */ - if (addr_len > (3 * sizeof(__be32))) - addr_len = 3 * sizeof(__be32); + if (addr_len > sizeof(addr_buf)) + addr_len = sizeof(addr_buf); if (addr) memcpy(addr_buf, addr, addr_len); From a34416ec269e0a3a621adeef452a98189e31637c Mon Sep 17 00:00:00 2001 From: Thadeu Lima de Souza Cascardo Date: Wed, 21 Aug 2024 12:23:21 -0300 Subject: [PATCH 351/649] ext4: ext4_search_dir should return a proper error [ Upstream commit cd69f8f9de280e331c9e6ff689ced0a688a9ce8f ] ext4_search_dir currently returns -1 in case of a failure, while it returns 0 when the name is not found. In such failure cases, it should return an error code instead. This becomes even more important when ext4_find_inline_entry returns an error code as well in the next commit. -EFSCORRUPTED seems appropriate as such error code as these failures would be caused by unexpected record lengths and is in line with other instances of ext4_check_dir_entry failures. In the case of ext4_dx_find_entry, the current use of ERR_BAD_DX_DIR was left as is to reduce the risk of regressions. Signed-off-by: Thadeu Lima de Souza Cascardo Link: https://patch.msgid.link/20240821152324.3621860-2-cascardo@igalia.com Signed-off-by: Theodore Ts'o Signed-off-by: Sasha Levin --- fs/ext4/namei.c | 12 +++++++----- 1 file changed, 7 insertions(+), 5 deletions(-) diff --git a/fs/ext4/namei.c b/fs/ext4/namei.c index bf312f94c3bf..39630c8cb8d3 100644 --- a/fs/ext4/namei.c +++ b/fs/ext4/namei.c @@ -1427,7 +1427,7 @@ static inline bool ext4_match(const struct inode *parent, } /* - * Returns 0 if not found, -1 on failure, and 1 on success + * Returns 0 if not found, -EFSCORRUPTED on failure, and 1 on success */ int ext4_search_dir(struct buffer_head *bh, char *search_buf, int buf_size, struct inode *dir, struct ext4_filename *fname, @@ -1448,7 +1448,7 @@ int ext4_search_dir(struct buffer_head *bh, char *search_buf, int buf_size, * a full check */ if (ext4_check_dir_entry(dir, NULL, de, bh, search_buf, buf_size, offset)) - return -1; + return -EFSCORRUPTED; *res_dir = de; return 1; } @@ -1456,7 +1456,7 @@ int ext4_search_dir(struct buffer_head *bh, char *search_buf, int buf_size, de_len = ext4_rec_len_from_disk(de->rec_len, dir->i_sb->s_blocksize); if (de_len <= 0) - return -1; + return -EFSCORRUPTED; offset += de_len; de = (struct ext4_dir_entry_2 *) ((char *) de + de_len); } @@ -1608,8 +1608,10 @@ static struct buffer_head *__ext4_find_entry(struct inode *dir, goto cleanup_and_exit; } else { brelse(bh); - if (i < 0) + if (i < 0) { + ret = ERR_PTR(i); goto cleanup_and_exit; + } } next: if (++block >= nblocks) @@ -1703,7 +1705,7 @@ static struct buffer_head * ext4_dx_find_entry(struct inode *dir, if (retval == 1) goto success; brelse(bh); - if (retval == -1) { + if (retval < 0) { bh = ERR_PTR(ERR_BAD_DX_DIR); goto errout; } From b0cb4561fc4284d04e69c8a66c8504928ab2484e Mon Sep 17 00:00:00 2001 From: Baokun Li Date: Thu, 22 Aug 2024 10:35:24 +0800 Subject: [PATCH 352/649] ext4: avoid use-after-free in ext4_ext_show_leaf() [ Upstream commit 4e2524ba2ca5f54bdbb9e5153bea00421ef653f5 ] In ext4_find_extent(), path may be freed by error or be reallocated, so using a previously saved *ppath may have been freed and thus may trigger use-after-free, as follows: ext4_split_extent path = *ppath; ext4_split_extent_at(ppath) path = ext4_find_extent(ppath) ext4_split_extent_at(ppath) // ext4_find_extent fails to free path // but zeroout succeeds ext4_ext_show_leaf(inode, path) eh = path[depth].p_hdr // path use-after-free !!! Similar to ext4_split_extent_at(), we use *ppath directly as an input to ext4_ext_show_leaf(). Fix a spelling error by the way. Same problem in ext4_ext_handle_unwritten_extents(). Since 'path' is only used in ext4_ext_show_leaf(), remove 'path' and use *ppath directly. This issue is triggered only when EXT_DEBUG is defined and therefore does not affect functionality. Signed-off-by: Baokun Li Reviewed-by: Jan Kara Reviewed-by: Ojaswin Mujoo Tested-by: Ojaswin Mujoo Link: https://patch.msgid.link/20240822023545.1994557-5-libaokun@huaweicloud.com Signed-off-by: Theodore Ts'o Signed-off-by: Sasha Levin --- fs/ext4/extents.c | 9 ++++----- 1 file changed, 4 insertions(+), 5 deletions(-) diff --git a/fs/ext4/extents.c b/fs/ext4/extents.c index f5fa9d542d64..b92464c8f63b 100644 --- a/fs/ext4/extents.c +++ b/fs/ext4/extents.c @@ -3283,7 +3283,7 @@ static int ext4_split_extent_at(handle_t *handle, } /* - * ext4_split_extents() splits an extent and mark extent which is covered + * ext4_split_extent() splits an extent and mark extent which is covered * by @map as split_flags indicates * * It may result in splitting the extent into multiple extents (up to three) @@ -3360,7 +3360,7 @@ static int ext4_split_extent(handle_t *handle, goto out; } - ext4_ext_show_leaf(inode, path); + ext4_ext_show_leaf(inode, *ppath); out: return err ? err : allocated; } @@ -3825,14 +3825,13 @@ ext4_ext_handle_unwritten_extents(handle_t *handle, struct inode *inode, struct ext4_ext_path **ppath, int flags, unsigned int allocated, ext4_fsblk_t newblock) { - struct ext4_ext_path __maybe_unused *path = *ppath; int ret = 0; int err = 0; ext_debug(inode, "logical block %llu, max_blocks %u, flags 0x%x, allocated %u\n", (unsigned long long)map->m_lblk, map->m_len, flags, allocated); - ext4_ext_show_leaf(inode, path); + ext4_ext_show_leaf(inode, *ppath); /* * When writing into unwritten space, we should not fail to @@ -3929,7 +3928,7 @@ ext4_ext_handle_unwritten_extents(handle_t *handle, struct inode *inode, if (allocated > map->m_len) allocated = map->m_len; map->m_len = allocated; - ext4_ext_show_leaf(inode, path); + ext4_ext_show_leaf(inode, *ppath); out2: return err ? err : allocated; } From 53b1999cfd2c7addf2e581a32865fe8835467b44 Mon Sep 17 00:00:00 2001 From: Artem Sadovnikov Date: Thu, 29 Aug 2024 15:22:09 +0000 Subject: [PATCH 353/649] ext4: fix i_data_sem unlock order in ext4_ind_migrate() [ Upstream commit cc749e61c011c255d81b192a822db650c68b313f ] Fuzzing reports a possible deadlock in jbd2_log_wait_commit. This issue is triggered when an EXT4_IOC_MIGRATE ioctl is set to require synchronous updates because the file descriptor is opened with O_SYNC. This can lead to the jbd2_journal_stop() function calling jbd2_might_wait_for_commit(), potentially causing a deadlock if the EXT4_IOC_MIGRATE call races with a write(2) system call. This problem only arises when CONFIG_PROVE_LOCKING is enabled. In this case, the jbd2_might_wait_for_commit macro locks jbd2_handle in the jbd2_journal_stop function while i_data_sem is locked. This triggers lockdep because the jbd2_journal_start function might also lock the same jbd2_handle simultaneously. Found by Linux Verification Center (linuxtesting.org) with syzkaller. Reviewed-by: Ritesh Harjani (IBM) Co-developed-by: Mikhail Ukhin Signed-off-by: Mikhail Ukhin Signed-off-by: Artem Sadovnikov Rule: add Link: https://lore.kernel.org/stable/20240404095000.5872-1-mish.uxin2012%40yandex.ru Link: https://patch.msgid.link/20240829152210.2754-1-ancowi69@gmail.com Signed-off-by: Theodore Ts'o Signed-off-by: Sasha Levin --- fs/ext4/migrate.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/fs/ext4/migrate.c b/fs/ext4/migrate.c index b0ea646454ac..59290356aa5b 100644 --- a/fs/ext4/migrate.c +++ b/fs/ext4/migrate.c @@ -663,8 +663,8 @@ int ext4_ind_migrate(struct inode *inode) if (unlikely(ret2 && !ret)) ret = ret2; errout: - ext4_journal_stop(handle); up_write(&EXT4_I(inode)->i_data_sem); + ext4_journal_stop(handle); out_unlock: percpu_up_write(&sbi->s_writepages_rwsem); return ret; From e3b57186f457f6aa57cdd861e555bad3676a8c87 Mon Sep 17 00:00:00 2001 From: Jinjie Ruan Date: Mon, 23 Sep 2024 12:00:13 +0800 Subject: [PATCH 354/649] spi: spi-imx: Fix pm_runtime_set_suspended() with runtime pm enabled [ Upstream commit b6e05ba0844139dde138625906015c974c86aa93 ] It is not valid to call pm_runtime_set_suspended() for devices with runtime PM enabled because it returns -EAGAIN if it is enabled already and working. So, call pm_runtime_disable() before to fix it. Fixes: 43b6bf406cd0 ("spi: imx: fix runtime pm support for !CONFIG_PM") Signed-off-by: Jinjie Ruan Link: https://patch.msgid.link/20240923040015.3009329-2-ruanjinjie@huawei.com Signed-off-by: Mark Brown Signed-off-by: Sasha Levin --- drivers/spi/spi-imx.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/spi/spi-imx.c b/drivers/spi/spi-imx.c index 8566da12d15e..f1a0073a8700 100644 --- a/drivers/spi/spi-imx.c +++ b/drivers/spi/spi-imx.c @@ -1756,8 +1756,8 @@ static int spi_imx_probe(struct platform_device *pdev) spi_imx_sdma_exit(spi_imx); out_runtime_pm_put: pm_runtime_dont_use_autosuspend(spi_imx->dev); - pm_runtime_set_suspended(&pdev->dev); pm_runtime_disable(spi_imx->dev); + pm_runtime_set_suspended(&pdev->dev); clk_disable_unprepare(spi_imx->clk_ipg); out_put_per: From eda94fc74b848e019b2cf65d17b044b771a49830 Mon Sep 17 00:00:00 2001 From: Ben Dooks Date: Tue, 24 Sep 2024 14:40:08 +0100 Subject: [PATCH 355/649] spi: s3c64xx: fix timeout counters in flush_fifo [ Upstream commit 68a16708d2503b6303d67abd43801e2ca40c208d ] In the s3c64xx_flush_fifo() code, the loops counter is post-decremented in the do { } while(test && loops--) condition. This means the loops is left at the unsigned equivalent of -1 if the loop times out. The test after will never pass as if tests for loops == 0. Signed-off-by: Ben Dooks Fixes: 230d42d422e7 ("spi: Add s3c64xx SPI Controller driver") Reviewed-by: Andi Shyti Link: https://patch.msgid.link/20240924134009.116247-2-ben.dooks@codethink.co.uk Signed-off-by: Mark Brown Signed-off-by: Sasha Levin --- drivers/spi/spi-s3c64xx.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/spi/spi-s3c64xx.c b/drivers/spi/spi-s3c64xx.c index d435df1b715b..7beea6f93093 100644 --- a/drivers/spi/spi-s3c64xx.c +++ b/drivers/spi/spi-s3c64xx.c @@ -215,7 +215,7 @@ static void s3c64xx_flush_fifo(struct s3c64xx_spi_driver_data *sdd) loops = msecs_to_loops(1); do { val = readl(regs + S3C64XX_SPI_STATUS); - } while (TX_FIFO_LVL(val, sdd) && loops--); + } while (TX_FIFO_LVL(val, sdd) && --loops); if (loops == 0) dev_warn(&sdd->pdev->dev, "Timed out flushing TX FIFO\n"); @@ -228,7 +228,7 @@ static void s3c64xx_flush_fifo(struct s3c64xx_spi_driver_data *sdd) readl(regs + S3C64XX_SPI_RX_DATA); else break; - } while (loops--); + } while (--loops); if (loops == 0) dev_warn(&sdd->pdev->dev, "Timed out flushing RX FIFO\n"); From 76242231557ffdec070d4f06664dc828aaa7c14f Mon Sep 17 00:00:00 2001 From: Yifei Liu Date: Mon, 30 Sep 2024 15:40:25 -0700 Subject: [PATCH 356/649] selftests: breakpoints: use remaining time to check if suspend succeed [ Upstream commit c66be905cda24fb782b91053b196bd2e966f95b7 ] step_after_suspend_test fails with device busy error while writing to /sys/power/state to start suspend. The test believes it failed to enter suspend state with $ sudo ./step_after_suspend_test TAP version 13 Bail out! Failed to enter Suspend state However, in the kernel message, I indeed see the system get suspended and then wake up later. [611172.033108] PM: suspend entry (s2idle) [611172.044940] Filesystems sync: 0.006 seconds [611172.052254] Freezing user space processes [611172.059319] Freezing user space processes completed (elapsed 0.001 seconds) [611172.067920] OOM killer disabled. [611172.072465] Freezing remaining freezable tasks [611172.080332] Freezing remaining freezable tasks completed (elapsed 0.001 seconds) [611172.089724] printk: Suspending console(s) (use no_console_suspend to debug) [611172.117126] serial 00:03: disabled some other hardware get reconnected [611203.136277] OOM killer enabled. [611203.140637] Restarting tasks ... [611203.141135] usb 1-8.1: USB disconnect, device number 7 [611203.141755] done. [611203.155268] random: crng reseeded on system resumption [611203.162059] PM: suspend exit After investigation, I noticed that for the code block if (write(power_state_fd, "mem", strlen("mem")) != strlen("mem")) ksft_exit_fail_msg("Failed to enter Suspend state\n"); The write will return -1 and errno is set to 16 (device busy). It should be caused by the write function is not successfully returned before the system suspend and the return value get messed when waking up. As a result, It may be better to check the time passed of those few instructions to determine whether the suspend is executed correctly for it is pretty hard to execute those few lines for 5 seconds. The timer to wake up the system is set to expire after 5 seconds and no re-arm. If the timer remaining time is 0 second and 0 nano secomd, it means the timer expired and wake the system up. Otherwise, the system could be considered to enter the suspend state failed if there is any remaining time. After appling this patch, the test would not fail for it believes the system does not go to suspend by mistake. It now could continue to the rest part of the test after suspend. Fixes: bfd092b8c272 ("selftests: breakpoint: add step_after_suspend_test") Reported-by: Sinadin Shan Signed-off-by: Yifei Liu Signed-off-by: Shuah Khan Signed-off-by: Sasha Levin --- .../testing/selftests/breakpoints/step_after_suspend_test.c | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-) diff --git a/tools/testing/selftests/breakpoints/step_after_suspend_test.c b/tools/testing/selftests/breakpoints/step_after_suspend_test.c index 2cf6f10ab7c4..fc02918962c7 100644 --- a/tools/testing/selftests/breakpoints/step_after_suspend_test.c +++ b/tools/testing/selftests/breakpoints/step_after_suspend_test.c @@ -153,7 +153,10 @@ void suspend(void) if (err < 0) ksft_exit_fail_msg("timerfd_settime() failed\n"); - if (write(power_state_fd, "mem", strlen("mem")) != strlen("mem")) + system("(echo mem > /sys/power/state) 2> /dev/null"); + + timerfd_gettime(timerfd, &spec); + if (spec.it_value.tv_sec != 0 || spec.it_value.tv_nsec != 0) ksft_exit_fail_msg("Failed to enter Suspend state\n"); close(timerfd); From e45803c71fc4543944a292ae95981b6f3ed545ce Mon Sep 17 00:00:00 2001 From: Christophe Leroy Date: Fri, 30 Aug 2024 14:28:37 +0200 Subject: [PATCH 357/649] selftests: vDSO: fix vDSO symbols lookup for powerpc64 [ Upstream commit ba83b3239e657469709d15dcea5f9b65bf9dbf34 ] On powerpc64, following tests fail locating vDSO functions: ~ # ./vdso_test_abi TAP version 13 1..16 # [vDSO kselftest] VDSO_VERSION: LINUX_2.6.15 # Couldn't find __kernel_gettimeofday ok 1 # SKIP __kernel_gettimeofday # clock_id: CLOCK_REALTIME # Couldn't find __kernel_clock_gettime ok 2 # SKIP __kernel_clock_gettime CLOCK_REALTIME # Couldn't find __kernel_clock_getres ok 3 # SKIP __kernel_clock_getres CLOCK_REALTIME ... # Couldn't find __kernel_time ok 16 # SKIP __kernel_time # Totals: pass:0 fail:0 xfail:0 xpass:0 skip:16 error:0 ~ # ./vdso_test_getrandom __kernel_getrandom is missing! ~ # ./vdso_test_gettimeofday Could not find __kernel_gettimeofday ~ # ./vdso_test_getcpu Could not find __kernel_getcpu On powerpc64, as shown below by readelf, vDSO functions symbols have type NOTYPE, so also accept that type when looking for symbols. $ powerpc64-linux-gnu-readelf -a arch/powerpc/kernel/vdso/vdso64.so.dbg ELF Header: Magic: 7f 45 4c 46 02 02 01 00 00 00 00 00 00 00 00 00 Class: ELF64 Data: 2's complement, big endian Version: 1 (current) OS/ABI: UNIX - System V ABI Version: 0 Type: DYN (Shared object file) Machine: PowerPC64 Version: 0x1 ... Symbol table '.dynsym' contains 12 entries: Num: Value Size Type Bind Vis Ndx Name 0: 0000000000000000 0 NOTYPE LOCAL DEFAULT UND 1: 0000000000000524 84 NOTYPE GLOBAL DEFAULT 8 __[...]@@LINUX_2.6.15 2: 00000000000005f0 36 NOTYPE GLOBAL DEFAULT 8 __[...]@@LINUX_2.6.15 3: 0000000000000578 68 NOTYPE GLOBAL DEFAULT 8 __[...]@@LINUX_2.6.15 4: 0000000000000000 0 OBJECT GLOBAL DEFAULT ABS LINUX_2.6.15 5: 00000000000006c0 48 NOTYPE GLOBAL DEFAULT 8 __[...]@@LINUX_2.6.15 6: 0000000000000614 172 NOTYPE GLOBAL DEFAULT 8 __[...]@@LINUX_2.6.15 7: 00000000000006f0 84 NOTYPE GLOBAL DEFAULT 8 __[...]@@LINUX_2.6.15 8: 000000000000047c 84 NOTYPE GLOBAL DEFAULT 8 __[...]@@LINUX_2.6.15 9: 0000000000000454 12 NOTYPE GLOBAL DEFAULT 8 __[...]@@LINUX_2.6.15 10: 00000000000004d0 84 NOTYPE GLOBAL DEFAULT 8 __[...]@@LINUX_2.6.15 11: 00000000000005bc 52 NOTYPE GLOBAL DEFAULT 8 __[...]@@LINUX_2.6.15 Symbol table '.symtab' contains 56 entries: Num: Value Size Type Bind Vis Ndx Name ... 45: 0000000000000000 0 OBJECT GLOBAL DEFAULT ABS LINUX_2.6.15 46: 00000000000006c0 48 NOTYPE GLOBAL DEFAULT 8 __kernel_getcpu 47: 0000000000000524 84 NOTYPE GLOBAL DEFAULT 8 __kernel_clock_getres 48: 00000000000005f0 36 NOTYPE GLOBAL DEFAULT 8 __kernel_get_tbfreq 49: 000000000000047c 84 NOTYPE GLOBAL DEFAULT 8 __kernel_gettimeofday 50: 0000000000000614 172 NOTYPE GLOBAL DEFAULT 8 __kernel_sync_dicache 51: 00000000000006f0 84 NOTYPE GLOBAL DEFAULT 8 __kernel_getrandom 52: 0000000000000454 12 NOTYPE GLOBAL DEFAULT 8 __kernel_sigtram[...] 53: 0000000000000578 68 NOTYPE GLOBAL DEFAULT 8 __kernel_time 54: 00000000000004d0 84 NOTYPE GLOBAL DEFAULT 8 __kernel_clock_g[...] 55: 00000000000005bc 52 NOTYPE GLOBAL DEFAULT 8 __kernel_get_sys[...] Fixes: 98eedc3a9dbf ("Document the vDSO and add a reference parser") Signed-off-by: Christophe Leroy Acked-by: Shuah Khan Signed-off-by: Jason A. Donenfeld Signed-off-by: Sasha Levin --- tools/testing/selftests/vDSO/parse_vdso.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/tools/testing/selftests/vDSO/parse_vdso.c b/tools/testing/selftests/vDSO/parse_vdso.c index 4ae417372e9e..d9ccc5acac18 100644 --- a/tools/testing/selftests/vDSO/parse_vdso.c +++ b/tools/testing/selftests/vDSO/parse_vdso.c @@ -216,7 +216,8 @@ void *vdso_sym(const char *version, const char *name) ELF(Sym) *sym = &vdso_info.symtab[chain]; /* Check for a defined global or weak function w/ right name. */ - if (ELF64_ST_TYPE(sym->st_info) != STT_FUNC) + if (ELF64_ST_TYPE(sym->st_info) != STT_FUNC && + ELF64_ST_TYPE(sym->st_info) != STT_NOTYPE) continue; if (ELF64_ST_BIND(sym->st_info) != STB_GLOBAL && ELF64_ST_BIND(sym->st_info) != STB_WEAK) From 10dde0c1fb1b19c7c26db805c92737626ce87953 Mon Sep 17 00:00:00 2001 From: David Hildenbrand Date: Wed, 21 Aug 2024 14:31:15 +0200 Subject: [PATCH 358/649] selftests/mm: fix charge_reserved_hugetlb.sh test [ Upstream commit c41a701d18efe6b8aa402efab16edbaba50c9548 ] Currently, running the charge_reserved_hugetlb.sh selftest we can sometimes observe something like: $ ./charge_reserved_hugetlb.sh -cgroup-v2 ... write_result is 0 After write: hugetlb_usage=0 reserved_usage=10485760 killing write_to_hugetlbfs Received 2. Deleting the memory Detach failure: Invalid argument umount: /mnt/huge: target is busy. Both cases are issues in the test. While the unmount error seems to be racy, it will make the test fail: $ ./run_vmtests.sh -t hugetlb ... # [FAIL] not ok 10 charge_reserved_hugetlb.sh -cgroup-v2 # exit=32 The issue is that we are not waiting for the write_to_hugetlbfs process to quit. So it might still have a hugetlbfs file open, about which umount is not happy. Fix that by making "killall" wait for the process to quit. The other error ("Detach failure: Invalid argument") does not seem to result in a test error, but is misleading. Turns out write_to_hugetlbfs.c unconditionally tries to cleanup using shmdt(), even when we only mmap()'ed a hugetlb file. Even worse, shmaddr is never even set for the SHM case. Fix that as well. With this change it seems to work as expected. Link: https://lkml.kernel.org/r/20240821123115.2068812-1-david@redhat.com Fixes: 29750f71a9b4 ("hugetlb_cgroup: add hugetlb_cgroup reservation tests") Signed-off-by: David Hildenbrand Reported-by: Mario Casquero Reviewed-by: Mina Almasry Tested-by: Mario Casquero Cc: Shuah Khan Cc: Muchun Song Signed-off-by: Andrew Morton Signed-off-by: Sasha Levin --- .../selftests/vm/charge_reserved_hugetlb.sh | 2 +- .../testing/selftests/vm/write_to_hugetlbfs.c | 23 +++++++++++-------- 2 files changed, 14 insertions(+), 11 deletions(-) diff --git a/tools/testing/selftests/vm/charge_reserved_hugetlb.sh b/tools/testing/selftests/vm/charge_reserved_hugetlb.sh index d0107f8ae621..28192ec98498 100644 --- a/tools/testing/selftests/vm/charge_reserved_hugetlb.sh +++ b/tools/testing/selftests/vm/charge_reserved_hugetlb.sh @@ -249,7 +249,7 @@ function cleanup_hugetlb_memory() { local cgroup="$1" if [[ "$(pgrep -f write_to_hugetlbfs)" != "" ]]; then echo killing write_to_hugetlbfs - killall -2 write_to_hugetlbfs + killall -2 --wait write_to_hugetlbfs wait_for_hugetlb_memory_to_get_depleted $cgroup fi set -e diff --git a/tools/testing/selftests/vm/write_to_hugetlbfs.c b/tools/testing/selftests/vm/write_to_hugetlbfs.c index 6a2caba19ee1..1289d311efd7 100644 --- a/tools/testing/selftests/vm/write_to_hugetlbfs.c +++ b/tools/testing/selftests/vm/write_to_hugetlbfs.c @@ -28,7 +28,7 @@ enum method { /* Global variables. */ static const char *self; -static char *shmaddr; +static int *shmaddr; static int shmid; /* @@ -47,15 +47,17 @@ void sig_handler(int signo) { printf("Received %d.\n", signo); if (signo == SIGINT) { - printf("Deleting the memory\n"); - if (shmdt((const void *)shmaddr) != 0) { - perror("Detach failure"); - shmctl(shmid, IPC_RMID, NULL); - exit(4); - } + if (shmaddr) { + printf("Deleting the memory\n"); + if (shmdt((const void *)shmaddr) != 0) { + perror("Detach failure"); + shmctl(shmid, IPC_RMID, NULL); + exit(4); + } - shmctl(shmid, IPC_RMID, NULL); - printf("Done deleting the memory\n"); + shmctl(shmid, IPC_RMID, NULL); + printf("Done deleting the memory\n"); + } } exit(2); } @@ -211,7 +213,8 @@ int main(int argc, char **argv) shmctl(shmid, IPC_RMID, NULL); exit(2); } - printf("shmaddr: %p\n", ptr); + shmaddr = ptr; + printf("shmaddr: %p\n", shmaddr); break; default: From 9b8bc33ad64192f54142396470cc34ce539a8940 Mon Sep 17 00:00:00 2001 From: Marek Vasut Date: Mon, 30 Sep 2024 21:27:41 +0200 Subject: [PATCH 359/649] i2c: stm32f7: Do not prepare/unprepare clock during runtime suspend/resume commit 048bbbdbf85e5e00258dfb12f5e368f908801d7b upstream. In case there is any sort of clock controller attached to this I2C bus controller, for example Versaclock or even an AIC32x4 I2C codec, then an I2C transfer triggered from the clock controller clk_ops .prepare callback may trigger a deadlock on drivers/clk/clk.c prepare_lock mutex. This is because the clock controller first grabs the prepare_lock mutex and then performs the prepare operation, including its I2C access. The I2C access resumes this I2C bus controller via .runtime_resume callback, which calls clk_prepare_enable(), which attempts to grab the prepare_lock mutex again and deadlocks. Since the clock are already prepared since probe() and unprepared in remove(), use simple clk_enable()/clk_disable() calls to enable and disable the clock on runtime suspend and resume, to avoid hitting the prepare_lock mutex. Acked-by: Alain Volmat Signed-off-by: Marek Vasut Fixes: 4e7bca6fc07b ("i2c: i2c-stm32f7: add PM Runtime support") Cc: # v5.0+ Signed-off-by: Andi Shyti Signed-off-by: Greg Kroah-Hartman --- drivers/i2c/busses/i2c-stm32f7.c | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) diff --git a/drivers/i2c/busses/i2c-stm32f7.c b/drivers/i2c/busses/i2c-stm32f7.c index 7b9272f9cc21..0b4e73e63820 100644 --- a/drivers/i2c/busses/i2c-stm32f7.c +++ b/drivers/i2c/busses/i2c-stm32f7.c @@ -2278,7 +2278,7 @@ static int __maybe_unused stm32f7_i2c_runtime_suspend(struct device *dev) struct stm32f7_i2c_dev *i2c_dev = dev_get_drvdata(dev); if (!stm32f7_i2c_is_slave_registered(i2c_dev)) - clk_disable_unprepare(i2c_dev->clk); + clk_disable(i2c_dev->clk); return 0; } @@ -2289,9 +2289,9 @@ static int __maybe_unused stm32f7_i2c_runtime_resume(struct device *dev) int ret; if (!stm32f7_i2c_is_slave_registered(i2c_dev)) { - ret = clk_prepare_enable(i2c_dev->clk); + ret = clk_enable(i2c_dev->clk); if (ret) { - dev_err(dev, "failed to prepare_enable clock\n"); + dev_err(dev, "failed to enable clock\n"); return ret; } } From 46c72b01397f5926adea87ca2e2efe22d162a504 Mon Sep 17 00:00:00 2001 From: Jinjie Ruan Date: Thu, 12 Sep 2024 11:34:59 +0800 Subject: [PATCH 360/649] i2c: qcom-geni: Use IRQF_NO_AUTOEN flag in request_irq() commit e2c85d85a05f16af2223fcc0195ff50a7938b372 upstream. disable_irq() after request_irq() still has a time gap in which interrupts can come. request_irq() with IRQF_NO_AUTOEN flag will disable IRQ auto-enable when request IRQ. Fixes: 37692de5d523 ("i2c: i2c-qcom-geni: Add bus driver for the Qualcomm GENI I2C controller") Signed-off-by: Jinjie Ruan Cc: # v4.19+ Acked-by: Mukesh Kumar Savaliya Reviewed-by: Vladimir Zapolskiy Signed-off-by: Andi Shyti Signed-off-by: Greg Kroah-Hartman --- drivers/i2c/busses/i2c-qcom-geni.c | 4 +--- 1 file changed, 1 insertion(+), 3 deletions(-) diff --git a/drivers/i2c/busses/i2c-qcom-geni.c b/drivers/i2c/busses/i2c-qcom-geni.c index 86f028febce3..8758983a3ce1 100644 --- a/drivers/i2c/busses/i2c-qcom-geni.c +++ b/drivers/i2c/busses/i2c-qcom-geni.c @@ -569,15 +569,13 @@ static int geni_i2c_probe(struct platform_device *pdev) init_completion(&gi2c->done); spin_lock_init(&gi2c->lock); platform_set_drvdata(pdev, gi2c); - ret = devm_request_irq(dev, gi2c->irq, geni_i2c_irq, 0, + ret = devm_request_irq(dev, gi2c->irq, geni_i2c_irq, IRQF_NO_AUTOEN, dev_name(dev), gi2c); if (ret) { dev_err(dev, "Request_irq failed:%d: err:%d\n", gi2c->irq, ret); return ret; } - /* Disable the interrupt so that the system can enter low-power mode */ - disable_irq(gi2c->irq); i2c_set_adapdata(&gi2c->adap, gi2c); gi2c->adap.dev.parent = dev; gi2c->adap.dev.of_node = dev->of_node; From 2c1effc2255ca7b09758bbc78b14c0a9734370ec Mon Sep 17 00:00:00 2001 From: Robert Hancock Date: Tue, 21 Nov 2023 18:11:16 +0000 Subject: [PATCH 361/649] i2c: xiic: Wait for TX empty to avoid missed TX NAKs commit 521da1e9225450bd323db5fa5bca942b1dc485b7 upstream. Frequently an I2C write will be followed by a read, such as a register address write followed by a read of the register value. In this driver, when the TX FIFO half empty interrupt was raised and it was determined that there was enough space in the TX FIFO to send the following read command, it would do so without waiting for the TX FIFO to actually empty. Unfortunately it appears that in some cases this can result in a NAK that was raised by the target device on the write, such as due to an unsupported register address, being ignored and the subsequent read being done anyway. This can potentially put the I2C bus into an invalid state and/or result in invalid read data being processed. To avoid this, once a message has been fully written to the TX FIFO, wait for the TX FIFO empty interrupt before moving on to the next message, to ensure NAKs are handled properly. Fixes: e1d5b6598cdc ("i2c: Add support for Xilinx XPS IIC Bus Interface") Signed-off-by: Robert Hancock Cc: # v2.6.34+ Reviewed-by: Manikanta Guntupalli Acked-by: Michal Simek Signed-off-by: Andi Shyti Signed-off-by: Greg Kroah-Hartman --- drivers/i2c/busses/i2c-xiic.c | 19 +++++++++---------- 1 file changed, 9 insertions(+), 10 deletions(-) diff --git a/drivers/i2c/busses/i2c-xiic.c b/drivers/i2c/busses/i2c-xiic.c index 9130563fbea0..d10f7fd868b6 100644 --- a/drivers/i2c/busses/i2c-xiic.c +++ b/drivers/i2c/busses/i2c-xiic.c @@ -494,14 +494,17 @@ static irqreturn_t xiic_process(int irq, void *dev_id) goto out; } - xiic_fill_tx_fifo(i2c); - - /* current message sent and there is space in the fifo */ - if (!xiic_tx_space(i2c) && xiic_tx_fifo_space(i2c) >= 2) { + if (xiic_tx_space(i2c)) { + xiic_fill_tx_fifo(i2c); + } else { + /* current message fully written */ dev_dbg(i2c->adap.dev.parent, "%s end of message sent, nmsgs: %d\n", __func__, i2c->nmsgs); - if (i2c->nmsgs > 1) { + /* Don't move onto the next message until the TX FIFO empties, + * to ensure that a NAK is not missed. + */ + if (i2c->nmsgs > 1 && (pend & XIIC_INTR_TX_EMPTY_MASK)) { i2c->nmsgs--; i2c->tx_msg++; xfer_more = 1; @@ -512,11 +515,7 @@ static irqreturn_t xiic_process(int irq, void *dev_id) "%s Got TX IRQ but no more to do...\n", __func__); } - } else if (!xiic_tx_space(i2c) && (i2c->nmsgs == 1)) - /* current frame is sent and is last, - * make sure to disable tx half - */ - xiic_irq_dis(i2c, XIIC_INTR_TX_HALF_MASK); + } } out: dev_dbg(i2c->adap.dev.parent, "%s clr: 0x%x\n", __func__, clr); From f53c2b55d0e203f64a927aec521103a5c29b1847 Mon Sep 17 00:00:00 2001 From: Krzysztof Kozlowski Date: Fri, 16 Aug 2024 15:57:21 +0200 Subject: [PATCH 362/649] firmware: tegra: bpmp: Drop unused mbox_client_to_bpmp() commit 9c3a62c20f7fb00294a4237e287254456ba8a48b upstream. mbox_client_to_bpmp() is not used, W=1 builds: drivers/firmware/tegra/bpmp.c:28:1: error: unused function 'mbox_client_to_bpmp' [-Werror,-Wunused-function] Fixes: cdfa358b248e ("firmware: tegra: Refactor BPMP driver") Cc: stable@vger.kernel.org Signed-off-by: Krzysztof Kozlowski Signed-off-by: Thierry Reding Signed-off-by: Greg Kroah-Hartman --- drivers/firmware/tegra/bpmp.c | 6 ------ 1 file changed, 6 deletions(-) diff --git a/drivers/firmware/tegra/bpmp.c b/drivers/firmware/tegra/bpmp.c index 5654c5e9862b..ff9a73585cdc 100644 --- a/drivers/firmware/tegra/bpmp.c +++ b/drivers/firmware/tegra/bpmp.c @@ -25,12 +25,6 @@ #define MSG_RING BIT(1) #define TAG_SZ 32 -static inline struct tegra_bpmp * -mbox_client_to_bpmp(struct mbox_client *client) -{ - return container_of(client, struct tegra_bpmp, mbox.client); -} - static inline const struct tegra_bpmp_ops * channel_to_ops(struct tegra_bpmp_channel *channel) { From 8ab638bb498a879ee4c8612fea012c7ba295ed74 Mon Sep 17 00:00:00 2001 From: Jinjie Ruan Date: Mon, 19 Aug 2024 20:33:48 +0800 Subject: [PATCH 363/649] spi: bcm63xx: Fix module autoloading commit 909f34f2462a99bf876f64c5c61c653213e32fce upstream. Add MODULE_DEVICE_TABLE(), so modules could be properly autoloaded based on the alias from platform_device_id table. Fixes: 44d8fb30941d ("spi/bcm63xx: move register definitions into the driver") Cc: stable@vger.kernel.org Signed-off-by: Jinjie Ruan Reviewed-by: Jonas Gorski Link: https://patch.msgid.link/20240819123349.4020472-2-ruanjinjie@huawei.com Signed-off-by: Mark Brown Signed-off-by: Greg Kroah-Hartman --- drivers/spi/spi-bcm63xx.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/spi/spi-bcm63xx.c b/drivers/spi/spi-bcm63xx.c index 5f7eb0e613cd..b31b5f4e959e 100644 --- a/drivers/spi/spi-bcm63xx.c +++ b/drivers/spi/spi-bcm63xx.c @@ -476,6 +476,7 @@ static const struct platform_device_id bcm63xx_spi_dev_match[] = { { }, }; +MODULE_DEVICE_TABLE(platform, bcm63xx_spi_dev_match); static const struct of_device_id bcm63xx_spi_of_match[] = { { .compatible = "brcm,bcm6348-spi", .data = &bcm6348_spi_reg_offsets }, From d6b22a2d5563ce5aeed38f121a883ca12cb1aeac Mon Sep 17 00:00:00 2001 From: Luo Gengkun Date: Sat, 31 Aug 2024 07:43:15 +0000 Subject: [PATCH 364/649] perf/core: Fix small negative period being ignored commit 62c0b1061593d7012292f781f11145b2d46f43ab upstream. In perf_adjust_period, we will first calculate period, and then use this period to calculate delta. However, when delta is less than 0, there will be a deviation compared to when delta is greater than or equal to 0. For example, when delta is in the range of [-14,-1], the range of delta = delta + 7 is between [-7,6], so the final value of delta/8 is 0. Therefore, the impact of -1 and -2 will be ignored. This is unacceptable when the target period is very short, because we will lose a lot of samples. Here are some tests and analyzes: before: # perf record -e cs -F 1000 ./a.out [ perf record: Woken up 1 times to write data ] [ perf record: Captured and wrote 0.022 MB perf.data (518 samples) ] # perf script ... a.out 396 257.956048: 23 cs: ffffffff81f4eeec schedul> a.out 396 257.957891: 23 cs: ffffffff81f4eeec schedul> a.out 396 257.959730: 23 cs: ffffffff81f4eeec schedul> a.out 396 257.961545: 23 cs: ffffffff81f4eeec schedul> a.out 396 257.963355: 23 cs: ffffffff81f4eeec schedul> a.out 396 257.965163: 23 cs: ffffffff81f4eeec schedul> a.out 396 257.966973: 23 cs: ffffffff81f4eeec schedul> a.out 396 257.968785: 23 cs: ffffffff81f4eeec schedul> a.out 396 257.970593: 23 cs: ffffffff81f4eeec schedul> ... after: # perf record -e cs -F 1000 ./a.out [ perf record: Woken up 1 times to write data ] [ perf record: Captured and wrote 0.058 MB perf.data (1466 samples) ] # perf script ... a.out 395 59.338813: 11 cs: ffffffff81f4eeec schedul> a.out 395 59.339707: 12 cs: ffffffff81f4eeec schedul> a.out 395 59.340682: 13 cs: ffffffff81f4eeec schedul> a.out 395 59.341751: 13 cs: ffffffff81f4eeec schedul> a.out 395 59.342799: 12 cs: ffffffff81f4eeec schedul> a.out 395 59.343765: 11 cs: ffffffff81f4eeec schedul> a.out 395 59.344651: 11 cs: ffffffff81f4eeec schedul> a.out 395 59.345539: 12 cs: ffffffff81f4eeec schedul> a.out 395 59.346502: 13 cs: ffffffff81f4eeec schedul> ... test.c int main() { for (int i = 0; i < 20000; i++) usleep(10); return 0; } # time ./a.out real 0m1.583s user 0m0.040s sys 0m0.298s The above results were tested on x86-64 qemu with KVM enabled using test.c as test program. Ideally, we should have around 1500 samples, but the previous algorithm had only about 500, whereas the modified algorithm now has about 1400. Further more, the new version shows 1 sample per 0.001s, while the previous one is 1 sample per 0.002s.This indicates that the new algorithm is more sensitive to small negative values compared to old algorithm. Fixes: bd2b5b12849a ("perf_counter: More aggressive frequency adjustment") Signed-off-by: Luo Gengkun Signed-off-by: Peter Zijlstra (Intel) Reviewed-by: Adrian Hunter Reviewed-by: Kan Liang Cc: stable@vger.kernel.org Link: https://lkml.kernel.org/r/20240831074316.2106159-2-luogengkun@huaweicloud.com Signed-off-by: Greg Kroah-Hartman --- kernel/events/core.c | 6 +++++- 1 file changed, 5 insertions(+), 1 deletion(-) diff --git a/kernel/events/core.c b/kernel/events/core.c index 55033d6c0577..956d4e1a36ef 100644 --- a/kernel/events/core.c +++ b/kernel/events/core.c @@ -4065,7 +4065,11 @@ static void perf_adjust_period(struct perf_event *event, u64 nsec, u64 count, bo period = perf_calculate_period(event, nsec, count); delta = (s64)(period - hwc->sample_period); - delta = (delta + 7) / 8; /* low pass filter */ + if (delta >= 0) + delta += 7; + else + delta -= 7; + delta /= 8; /* low pass filter */ sample_period = hwc->sample_period + delta; From afa999052393b3443bbc6c2f31b80210da79b99a Mon Sep 17 00:00:00 2001 From: Helge Deller Date: Tue, 10 Sep 2024 18:32:24 +0200 Subject: [PATCH 365/649] parisc: Fix itlb miss handler for 64-bit programs commit 9542130937e9dc707dd7c6b7af73326437da2d50 upstream. For an itlb miss when executing code above 4 Gb on ILP64 adjust the iasq/iaoq in the same way isr/ior was adjusted. This fixes signal delivery for the 64-bit static test program from http://ftp.parisc-linux.org/src/64bit.tar.gz. Note that signals are handled by the signal trampoline code in the 64-bit VDSO which is mapped into high userspace memory region above 4GB for 64-bit processes. Signed-off-by: Helge Deller Cc: stable@vger.kernel.org # v4.19+ Signed-off-by: Greg Kroah-Hartman --- arch/parisc/kernel/entry.S | 6 ++---- 1 file changed, 2 insertions(+), 4 deletions(-) diff --git a/arch/parisc/kernel/entry.S b/arch/parisc/kernel/entry.S index 25bef679290f..b86ba022136e 100644 --- a/arch/parisc/kernel/entry.S +++ b/arch/parisc/kernel/entry.S @@ -1071,8 +1071,7 @@ ENTRY_CFI(intr_save) /* for os_hpmc */ STREG %r16, PT_ISR(%r29) STREG %r17, PT_IOR(%r29) -#if 0 && defined(CONFIG_64BIT) - /* Revisit when we have 64-bit code above 4Gb */ +#if defined(CONFIG_64BIT) b,n intr_save2 skip_save_ior: @@ -1080,8 +1079,7 @@ skip_save_ior: * need to adjust iasq/iaoq here in the same way we adjusted isr/ior * above. */ - extrd,u,* %r8,PSW_W_BIT,1,%r1 - cmpib,COND(=),n 1,%r1,intr_save2 + bb,COND(>=),n %r8,PSW_W_BIT,intr_save2 LDREG PT_IASQ0(%r29), %r16 LDREG PT_IAOQ0(%r29), %r17 /* adjust iasq/iaoq */ From b078a7eee12cd2f55613a9a65351156e26d3249b Mon Sep 17 00:00:00 2001 From: Thomas Zimmermann Date: Mon, 23 Sep 2024 09:58:14 +0200 Subject: [PATCH 366/649] drm: Consistently use struct drm_mode_rect for FB_DAMAGE_CLIPS MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit commit 8b0d2f61545545ab5eef923ed6e59fc3be2385e0 upstream. FB_DAMAGE_CLIPS is a plane property for damage handling. Its UAPI should only use UAPI types. Hence replace struct drm_rect with struct drm_mode_rect in drm_atomic_plane_set_property(). Both types are identical in practice, so there's no change in behavior. Reported-by: Ville Syrjälä Closes: https://lore.kernel.org/dri-devel/Zu1Ke1TuThbtz15E@intel.com/ Signed-off-by: Thomas Zimmermann Fixes: d3b21767821e ("drm: Add a new plane property to send damage during plane update") Cc: Lukasz Spintzyk Cc: Deepak Rawat Cc: Daniel Vetter Cc: Thomas Hellstrom Cc: David Airlie Cc: Simona Vetter Cc: Maarten Lankhorst Cc: Maxime Ripard Cc: Thomas Zimmermann Cc: dri-devel@lists.freedesktop.org Cc: # v5.0+ Reviewed-by: Dmitry Baryshkov Link: https://patchwork.freedesktop.org/patch/msgid/20240923075841.16231-1-tzimmermann@suse.de Signed-off-by: Greg Kroah-Hartman --- drivers/gpu/drm/drm_atomic_uapi.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/gpu/drm/drm_atomic_uapi.c b/drivers/gpu/drm/drm_atomic_uapi.c index b6062833370f..f6d8bee10fa0 100644 --- a/drivers/gpu/drm/drm_atomic_uapi.c +++ b/drivers/gpu/drm/drm_atomic_uapi.c @@ -584,7 +584,7 @@ static int drm_atomic_plane_set_property(struct drm_plane *plane, &state->fb_damage_clips, val, -1, - sizeof(struct drm_rect), + sizeof(struct drm_mode_rect), &replaced); return ret; } else if (plane->funcs->atomic_set_property) { From 133ff0d78f1b160de011647bb65807195ca5d1ca Mon Sep 17 00:00:00 2001 From: Edward Adam Davis Date: Mon, 1 Jul 2024 22:25:03 +0800 Subject: [PATCH 367/649] ext4: no need to continue when the number of entries is 1 commit 1a00a393d6a7fb1e745a41edd09019bd6a0ad64c upstream. Fixes: ac27a0ec112a ("[PATCH] ext4: initial copy of files from ext3") Reported-by: syzbot+ae688d469e36fb5138d0@syzkaller.appspotmail.com Closes: https://syzkaller.appspot.com/bug?extid=ae688d469e36fb5138d0 Signed-off-by: Edward Adam Davis Reported-and-tested-by: syzbot+ae688d469e36fb5138d0@syzkaller.appspotmail.com Link: https://patch.msgid.link/tencent_BE7AEE6C7C2D216CB8949CE8E6EE7ECC2C0A@qq.com Signed-off-by: Theodore Ts'o Cc: stable@kernel.org Signed-off-by: Greg Kroah-Hartman --- fs/ext4/namei.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/fs/ext4/namei.c b/fs/ext4/namei.c index 39630c8cb8d3..703c4282b19e 100644 --- a/fs/ext4/namei.c +++ b/fs/ext4/namei.c @@ -1936,7 +1936,7 @@ static struct ext4_dir_entry_2 *do_split(handle_t *handle, struct inode *dir, split = count/2; hash2 = map[split].hash; - continued = hash2 == map[split - 1].hash; + continued = split > 0 ? hash2 == map[split - 1].hash : 0; dxtrace(printk(KERN_INFO "Split block %lu at %x, %i/%i\n", (unsigned long)dx_get_block(frame->at), hash2, split, count-split)); From 64d315aeec57dd7085fe3d13a3c58e57a63912fe Mon Sep 17 00:00:00 2001 From: Jaroslav Kysela Date: Wed, 2 Oct 2024 21:46:49 +0200 Subject: [PATCH 368/649] ALSA: core: add isascii() check to card ID generator MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit commit d278a9de5e1837edbe57b2f1f95a104ff6c84846 upstream. The card identifier should contain only safe ASCII characters. The isalnum() returns true also for characters for non-ASCII characters. Link: https://gitlab.freedesktop.org/pipewire/pipewire/-/issues/4135 Link: https://lore.kernel.org/linux-sound/yk3WTvKkwheOon_LzZlJ43PPInz6byYfBzpKkbasww1yzuiMRqn7n6Y8vZcXB-xwFCu_vb8hoNjv7DTNwH5TWjpEuiVsyn9HPCEXqwF4120=@protonmail.com/ Cc: stable@vger.kernel.org Reported-by: Barnabás Pőcze Signed-off-by: Jaroslav Kysela Link: https://patch.msgid.link/20241002194649.1944696-1-perex@perex.cz Signed-off-by: Takashi Iwai Signed-off-by: Greg Kroah-Hartman --- sound/core/init.c | 14 ++++++++++---- 1 file changed, 10 insertions(+), 4 deletions(-) diff --git a/sound/core/init.c b/sound/core/init.c index b6dd43005c27..476ab6df3aeb 100644 --- a/sound/core/init.c +++ b/sound/core/init.c @@ -534,13 +534,19 @@ int snd_card_free(struct snd_card *card) } EXPORT_SYMBOL(snd_card_free); +/* check, if the character is in the valid ASCII range */ +static inline bool safe_ascii_char(char c) +{ + return isascii(c) && isalnum(c); +} + /* retrieve the last word of shortname or longname */ static const char *retrieve_id_from_card_name(const char *name) { const char *spos = name; while (*name) { - if (isspace(*name) && isalnum(name[1])) + if (isspace(*name) && safe_ascii_char(name[1])) spos = name + 1; name++; } @@ -567,12 +573,12 @@ static void copy_valid_id_string(struct snd_card *card, const char *src, { char *id = card->id; - while (*nid && !isalnum(*nid)) + while (*nid && !safe_ascii_char(*nid)) nid++; if (isdigit(*nid)) *id++ = isalpha(*src) ? *src : 'D'; while (*nid && (size_t)(id - card->id) < sizeof(card->id) - 1) { - if (isalnum(*nid)) + if (safe_ascii_char(*nid)) *id++ = *nid; nid++; } @@ -670,7 +676,7 @@ card_id_store_attr(struct device *dev, struct device_attribute *attr, for (idx = 0; idx < copy; idx++) { c = buf[idx]; - if (!isalnum(c) && c != '_' && c != '-') + if (!safe_ascii_char(c) && c != '_' && c != '-') return -EINVAL; } memcpy(buf1, buf, copy); From e52f933598b781d291b9297e39c463536da0e185 Mon Sep 17 00:00:00 2001 From: Baokun Li Date: Thu, 22 Aug 2024 10:35:23 +0800 Subject: [PATCH 369/649] ext4: fix slab-use-after-free in ext4_split_extent_at() commit c26ab35702f8cd0cdc78f96aa5856bfb77be798f upstream. We hit the following use-after-free: ================================================================== BUG: KASAN: slab-use-after-free in ext4_split_extent_at+0xba8/0xcc0 Read of size 2 at addr ffff88810548ed08 by task kworker/u20:0/40 CPU: 0 PID: 40 Comm: kworker/u20:0 Not tainted 6.9.0-dirty #724 Call Trace: kasan_report+0x93/0xc0 ext4_split_extent_at+0xba8/0xcc0 ext4_split_extent.isra.0+0x18f/0x500 ext4_split_convert_extents+0x275/0x750 ext4_ext_handle_unwritten_extents+0x73e/0x1580 ext4_ext_map_blocks+0xe20/0x2dc0 ext4_map_blocks+0x724/0x1700 ext4_do_writepages+0x12d6/0x2a70 [...] Allocated by task 40: __kmalloc_noprof+0x1ac/0x480 ext4_find_extent+0xf3b/0x1e70 ext4_ext_map_blocks+0x188/0x2dc0 ext4_map_blocks+0x724/0x1700 ext4_do_writepages+0x12d6/0x2a70 [...] Freed by task 40: kfree+0xf1/0x2b0 ext4_find_extent+0xa71/0x1e70 ext4_ext_insert_extent+0xa22/0x3260 ext4_split_extent_at+0x3ef/0xcc0 ext4_split_extent.isra.0+0x18f/0x500 ext4_split_convert_extents+0x275/0x750 ext4_ext_handle_unwritten_extents+0x73e/0x1580 ext4_ext_map_blocks+0xe20/0x2dc0 ext4_map_blocks+0x724/0x1700 ext4_do_writepages+0x12d6/0x2a70 [...] ================================================================== The flow of issue triggering is as follows: ext4_split_extent_at path = *ppath ext4_ext_insert_extent(ppath) ext4_ext_create_new_leaf(ppath) ext4_find_extent(orig_path) path = *orig_path read_extent_tree_block // return -ENOMEM or -EIO ext4_free_ext_path(path) kfree(path) *orig_path = NULL a. If err is -ENOMEM: ext4_ext_dirty(path + path->p_depth) // path use-after-free !!! b. If err is -EIO and we have EXT_DEBUG defined: ext4_ext_show_leaf(path) eh = path[depth].p_hdr // path also use-after-free !!! So when trying to zeroout or fix the extent length, call ext4_find_extent() to update the path. In addition we use *ppath directly as an ext4_ext_show_leaf() input to avoid possible use-after-free when EXT_DEBUG is defined, and to avoid unnecessary path updates. Fixes: dfe5080939ea ("ext4: drop EXT4_EX_NOFREE_ON_ERR from rest of extents handling code") Cc: stable@kernel.org Signed-off-by: Baokun Li Reviewed-by: Jan Kara Reviewed-by: Ojaswin Mujoo Tested-by: Ojaswin Mujoo Link: https://patch.msgid.link/20240822023545.1994557-4-libaokun@huaweicloud.com Signed-off-by: Theodore Ts'o Signed-off-by: Greg Kroah-Hartman --- fs/ext4/extents.c | 21 ++++++++++++++++++++- 1 file changed, 20 insertions(+), 1 deletion(-) diff --git a/fs/ext4/extents.c b/fs/ext4/extents.c index b92464c8f63b..e9e82d559abd 100644 --- a/fs/ext4/extents.c +++ b/fs/ext4/extents.c @@ -3226,6 +3226,25 @@ static int ext4_split_extent_at(handle_t *handle, if (err != -ENOSPC && err != -EDQUOT) goto out; + /* + * Update path is required because previous ext4_ext_insert_extent() + * may have freed or reallocated the path. Using EXT4_EX_NOFAIL + * guarantees that ext4_find_extent() will not return -ENOMEM, + * otherwise -ENOMEM will cause a retry in do_writepages(), and a + * WARN_ON may be triggered in ext4_da_update_reserve_space() due to + * an incorrect ee_len causing the i_reserved_data_blocks exception. + */ + path = ext4_find_extent(inode, ee_block, ppath, + flags | EXT4_EX_NOFAIL); + if (IS_ERR(path)) { + EXT4_ERROR_INODE(inode, "Failed split extent on %u, err %ld", + split, PTR_ERR(path)); + return PTR_ERR(path); + } + depth = ext_depth(inode); + ex = path[depth].p_ext; + *ppath = path; + if (EXT4_EXT_MAY_ZEROOUT & split_flag) { if (split_flag & (EXT4_EXT_DATA_VALID1|EXT4_EXT_DATA_VALID2)) { if (split_flag & EXT4_EXT_DATA_VALID1) { @@ -3278,7 +3297,7 @@ static int ext4_split_extent_at(handle_t *handle, ext4_ext_dirty(handle, inode, path + path->p_depth); return err; out: - ext4_ext_show_leaf(inode, path); + ext4_ext_show_leaf(inode, *ppath); return err; } From c36ff6948c0009c5e096eb067ad4ea626d963bb4 Mon Sep 17 00:00:00 2001 From: "Hans P. Moller" Date: Thu, 3 Oct 2024 20:28:28 -0300 Subject: [PATCH 370/649] ALSA: line6: add hw monitor volume control to POD HD500X commit 703235a244e533652346844cfa42623afb36eed1 upstream. Add hw monitor volume control for POD HD500X. This is done adding LINE6_CAP_HWMON_CTL to the capabilities Signed-off-by: Hans P. Moller Cc: Signed-off-by: Takashi Iwai Link: https://patch.msgid.link/20241003232828.5819-1-hmoller@uc.cl Signed-off-by: Greg Kroah-Hartman --- sound/usb/line6/podhd.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/sound/usb/line6/podhd.c b/sound/usb/line6/podhd.c index b24bc82f89e3..a933a0241524 100644 --- a/sound/usb/line6/podhd.c +++ b/sound/usb/line6/podhd.c @@ -507,7 +507,7 @@ static const struct line6_properties podhd_properties_table[] = { [LINE6_PODHD500X] = { .id = "PODHD500X", .name = "POD HD500X", - .capabilities = LINE6_CAP_CONTROL + .capabilities = LINE6_CAP_CONTROL | LINE6_CAP_HWMON_CTL | LINE6_CAP_PCM | LINE6_CAP_HWMON, .altsetting = 1, .ep_ctrl_r = 0x81, From 7bcdef04d071b3bd902221d61ef34efc2f3c5621 Mon Sep 17 00:00:00 2001 From: Baokun Li Date: Thu, 22 Aug 2024 10:35:30 +0800 Subject: [PATCH 371/649] ext4: propagate errors from ext4_find_extent() in ext4_insert_range() commit 369c944ed1d7c3fb7b35f24e4735761153afe7b3 upstream. Even though ext4_find_extent() returns an error, ext4_insert_range() still returns 0. This may confuse the user as to why fallocate returns success, but the contents of the file are not as expected. So propagate the error returned by ext4_find_extent() to avoid inconsistencies. Fixes: 331573febb6a ("ext4: Add support FALLOC_FL_INSERT_RANGE for fallocate") Cc: stable@kernel.org Signed-off-by: Baokun Li Reviewed-by: Jan Kara Reviewed-by: Ojaswin Mujoo Tested-by: Ojaswin Mujoo Link: https://patch.msgid.link/20240822023545.1994557-11-libaokun@huaweicloud.com Signed-off-by: Theodore Ts'o Signed-off-by: Greg Kroah-Hartman --- fs/ext4/extents.c | 1 + 1 file changed, 1 insertion(+) diff --git a/fs/ext4/extents.c b/fs/ext4/extents.c index e9e82d559abd..0d5695778caa 100644 --- a/fs/ext4/extents.c +++ b/fs/ext4/extents.c @@ -5566,6 +5566,7 @@ static int ext4_insert_range(struct file *file, loff_t offset, loff_t len) path = ext4_find_extent(inode, offset_lblk, NULL, 0); if (IS_ERR(path)) { up_write(&EXT4_I(inode)->i_data_sem); + ret = PTR_ERR(path); goto out_stop; } From 2c08dfc99fc404153a7a618d402fcbd9267ce033 Mon Sep 17 00:00:00 2001 From: Ai Chao Date: Thu, 26 Sep 2024 14:02:52 +0800 Subject: [PATCH 372/649] ALSA: hda/realtek: Add quirk for Huawei MateBook 13 KLV-WX9 commit dee476950cbd83125655a3f49e00d63b79f6114e upstream. The headset mic requires a fixup to be properly detected/used. Signed-off-by: Ai Chao Cc: Link: https://patch.msgid.link/20240926060252.25630-1-aichao@kylinos.cn Signed-off-by: Takashi Iwai Signed-off-by: Greg Kroah-Hartman --- sound/pci/hda/patch_realtek.c | 1 + 1 file changed, 1 insertion(+) diff --git a/sound/pci/hda/patch_realtek.c b/sound/pci/hda/patch_realtek.c index de2a7eb55ae3..05a2442cfc65 100644 --- a/sound/pci/hda/patch_realtek.c +++ b/sound/pci/hda/patch_realtek.c @@ -9419,6 +9419,7 @@ static const struct snd_pci_quirk alc269_fixup_tbl[] = { SND_PCI_QUIRK(0x1849, 0xa233, "Positivo Master C6300", ALC269_FIXUP_HEADSET_MIC), SND_PCI_QUIRK(0x19e5, 0x3204, "Huawei MACH-WX9", ALC256_FIXUP_HUAWEI_MACH_WX9_PINS), SND_PCI_QUIRK(0x19e5, 0x320f, "Huawei WRT-WX9 ", ALC256_FIXUP_ASUS_MIC_NO_PRESENCE), + SND_PCI_QUIRK(0x19e5, 0x3212, "Huawei KLV-WX9 ", ALC256_FIXUP_ACER_HEADSET_MIC), SND_PCI_QUIRK(0x1b35, 0x1235, "CZC B20", ALC269_FIXUP_CZC_B20), SND_PCI_QUIRK(0x1b35, 0x1236, "CZC TMI", ALC269_FIXUP_CZC_TMI), SND_PCI_QUIRK(0x1b35, 0x1237, "CZC L101", ALC269_FIXUP_CZC_L101), From 4286a04183697425cba6e4154de721b6203ce046 Mon Sep 17 00:00:00 2001 From: "Luis Henriques (SUSE)" Date: Wed, 24 Jul 2024 17:11:16 +0100 Subject: [PATCH 373/649] ext4: fix incorrect tid assumption in __jbd2_log_wait_for_space() commit 972090651ee15e51abfb2160e986fa050cfc7a40 upstream. Function __jbd2_log_wait_for_space() assumes that '0' is not a valid value for transaction IDs, which is incorrect. Don't assume that and invoke jbd2_log_wait_commit() if the journal had a committing transaction instead. Signed-off-by: Luis Henriques (SUSE) Reviewed-by: Jan Kara Link: https://patch.msgid.link/20240724161119.13448-3-luis.henriques@linux.dev Signed-off-by: Theodore Ts'o Cc: stable@kernel.org Signed-off-by: Greg Kroah-Hartman --- fs/jbd2/checkpoint.c | 7 +++++-- 1 file changed, 5 insertions(+), 2 deletions(-) diff --git a/fs/jbd2/checkpoint.c b/fs/jbd2/checkpoint.c index 7898983c9fba..35bd2752fa93 100644 --- a/fs/jbd2/checkpoint.c +++ b/fs/jbd2/checkpoint.c @@ -115,9 +115,12 @@ __releases(&journal->j_state_lock) if (space_left < nblocks) { int chkpt = journal->j_checkpoint_transactions != NULL; tid_t tid = 0; + bool has_transaction = false; - if (journal->j_committing_transaction) + if (journal->j_committing_transaction) { tid = journal->j_committing_transaction->t_tid; + has_transaction = true; + } spin_unlock(&journal->j_list_lock); write_unlock(&journal->j_state_lock); if (chkpt) { @@ -125,7 +128,7 @@ __releases(&journal->j_state_lock) } else if (jbd2_cleanup_journal_tail(journal) == 0) { /* We were able to recover space; yay! */ ; - } else if (tid) { + } else if (has_transaction) { /* * jbd2_journal_commit_transaction() may want * to take the checkpoint_mutex if JBD2_FLUSHED From 8c26d9e53e5fbacda0732a577e97c5a5b7882aaf Mon Sep 17 00:00:00 2001 From: Baokun Li Date: Thu, 22 Aug 2024 10:35:27 +0800 Subject: [PATCH 374/649] ext4: drop ppath from ext4_ext_replay_update_ex() to avoid double-free commit 5c0f4cc84d3a601c99bc5e6e6eb1cbda542cce95 upstream. When calling ext4_force_split_extent_at() in ext4_ext_replay_update_ex(), the 'ppath' is updated but it is the 'path' that is freed, thus potentially triggering a double-free in the following process: ext4_ext_replay_update_ex ppath = path ext4_force_split_extent_at(&ppath) ext4_split_extent_at ext4_ext_insert_extent ext4_ext_create_new_leaf ext4_ext_grow_indepth ext4_find_extent if (depth > path[0].p_maxdepth) kfree(path) ---> path First freed *orig_path = path = NULL ---> null ppath kfree(path) ---> path double-free !!! So drop the unnecessary ppath and use path directly to avoid this problem. And use ext4_find_extent() directly to update path, avoiding unnecessary memory allocation and freeing. Also, propagate the error returned by ext4_find_extent() instead of using strange error codes. Fixes: 8016e29f4362 ("ext4: fast commit recovery path") Cc: stable@kernel.org Signed-off-by: Baokun Li Reviewed-by: Jan Kara Reviewed-by: Ojaswin Mujoo Tested-by: Ojaswin Mujoo Link: https://patch.msgid.link/20240822023545.1994557-8-libaokun@huaweicloud.com Signed-off-by: Theodore Ts'o Signed-off-by: Greg Kroah-Hartman --- fs/ext4/extents.c | 21 ++++++++++----------- 1 file changed, 10 insertions(+), 11 deletions(-) diff --git a/fs/ext4/extents.c b/fs/ext4/extents.c index 0d5695778caa..dfaf218fe911 100644 --- a/fs/ext4/extents.c +++ b/fs/ext4/extents.c @@ -5928,7 +5928,7 @@ int ext4_clu_mapped(struct inode *inode, ext4_lblk_t lclu) int ext4_ext_replay_update_ex(struct inode *inode, ext4_lblk_t start, int len, int unwritten, ext4_fsblk_t pblk) { - struct ext4_ext_path *path = NULL, *ppath; + struct ext4_ext_path *path; struct ext4_extent *ex; int ret; @@ -5944,30 +5944,29 @@ int ext4_ext_replay_update_ex(struct inode *inode, ext4_lblk_t start, if (le32_to_cpu(ex->ee_block) != start || ext4_ext_get_actual_len(ex) != len) { /* We need to split this extent to match our extent first */ - ppath = path; down_write(&EXT4_I(inode)->i_data_sem); - ret = ext4_force_split_extent_at(NULL, inode, &ppath, start, 1); + ret = ext4_force_split_extent_at(NULL, inode, &path, start, 1); up_write(&EXT4_I(inode)->i_data_sem); if (ret) goto out; - kfree(path); - path = ext4_find_extent(inode, start, NULL, 0); + + path = ext4_find_extent(inode, start, &path, 0); if (IS_ERR(path)) - return -1; - ppath = path; + return PTR_ERR(path); ex = path[path->p_depth].p_ext; WARN_ON(le32_to_cpu(ex->ee_block) != start); + if (ext4_ext_get_actual_len(ex) != len) { down_write(&EXT4_I(inode)->i_data_sem); - ret = ext4_force_split_extent_at(NULL, inode, &ppath, + ret = ext4_force_split_extent_at(NULL, inode, &path, start + len, 1); up_write(&EXT4_I(inode)->i_data_sem); if (ret) goto out; - kfree(path); - path = ext4_find_extent(inode, start, NULL, 0); + + path = ext4_find_extent(inode, start, &path, 0); if (IS_ERR(path)) - return -EINVAL; + return PTR_ERR(path); ex = path[path->p_depth].p_ext; } } From 5e811066c5ab709b070659197dccfb80ab650ddd Mon Sep 17 00:00:00 2001 From: Baokun Li Date: Thu, 22 Aug 2024 10:35:26 +0800 Subject: [PATCH 375/649] ext4: aovid use-after-free in ext4_ext_insert_extent() commit a164f3a432aae62ca23d03e6d926b122ee5b860d upstream. As Ojaswin mentioned in Link, in ext4_ext_insert_extent(), if the path is reallocated in ext4_ext_create_new_leaf(), we'll use the stale path and cause UAF. Below is a sample trace with dummy values: ext4_ext_insert_extent path = *ppath = 2000 ext4_ext_create_new_leaf(ppath) ext4_find_extent(ppath) path = *ppath = 2000 if (depth > path[0].p_maxdepth) kfree(path = 2000); *ppath = path = NULL; path = kcalloc() = 3000 *ppath = 3000; return path; /* here path is still 2000, UAF! */ eh = path[depth].p_hdr ================================================================== BUG: KASAN: slab-use-after-free in ext4_ext_insert_extent+0x26d4/0x3330 Read of size 8 at addr ffff8881027bf7d0 by task kworker/u36:1/179 CPU: 3 UID: 0 PID: 179 Comm: kworker/u6:1 Not tainted 6.11.0-rc2-dirty #866 Call Trace: ext4_ext_insert_extent+0x26d4/0x3330 ext4_ext_map_blocks+0xe22/0x2d40 ext4_map_blocks+0x71e/0x1700 ext4_do_writepages+0x1290/0x2800 [...] Allocated by task 179: ext4_find_extent+0x81c/0x1f70 ext4_ext_map_blocks+0x146/0x2d40 ext4_map_blocks+0x71e/0x1700 ext4_do_writepages+0x1290/0x2800 ext4_writepages+0x26d/0x4e0 do_writepages+0x175/0x700 [...] Freed by task 179: kfree+0xcb/0x240 ext4_find_extent+0x7c0/0x1f70 ext4_ext_insert_extent+0xa26/0x3330 ext4_ext_map_blocks+0xe22/0x2d40 ext4_map_blocks+0x71e/0x1700 ext4_do_writepages+0x1290/0x2800 ext4_writepages+0x26d/0x4e0 do_writepages+0x175/0x700 [...] ================================================================== So use *ppath to update the path to avoid the above problem. Reported-by: Ojaswin Mujoo Closes: https://lore.kernel.org/r/ZqyL6rmtwl6N4MWR@li-bb2b2a4c-3307-11b2-a85c-8fa5c3a69313.ibm.com Fixes: 10809df84a4d ("ext4: teach ext4_ext_find_extent() to realloc path if necessary") Cc: stable@kernel.org Signed-off-by: Baokun Li Reviewed-by: Jan Kara Link: https://patch.msgid.link/20240822023545.1994557-7-libaokun@huaweicloud.com Signed-off-by: Theodore Ts'o Signed-off-by: Greg Kroah-Hartman --- fs/ext4/extents.c | 1 + 1 file changed, 1 insertion(+) diff --git a/fs/ext4/extents.c b/fs/ext4/extents.c index dfaf218fe911..3490feb47789 100644 --- a/fs/ext4/extents.c +++ b/fs/ext4/extents.c @@ -2095,6 +2095,7 @@ int ext4_ext_insert_extent(handle_t *handle, struct inode *inode, ppath, newext); if (err) goto cleanup; + path = *ppath; depth = ext_depth(inode); eh = path[depth].p_hdr; From b6c29c8f3d7cb67b505f3b2f6c242d52298d1f2e Mon Sep 17 00:00:00 2001 From: Baokun Li Date: Thu, 22 Aug 2024 10:35:28 +0800 Subject: [PATCH 376/649] ext4: fix double brelse() the buffer of the extents path commit dcaa6c31134c0f515600111c38ed7750003e1b9c upstream. In ext4_ext_try_to_merge_up(), set path[1].p_bh to NULL after it has been released, otherwise it may be released twice. An example of what triggers this is as follows: split2 map split1 |--------|-------|--------| ext4_ext_map_blocks ext4_ext_handle_unwritten_extents ext4_split_convert_extents // path->p_depth == 0 ext4_split_extent // 1. do split1 ext4_split_extent_at |ext4_ext_insert_extent | ext4_ext_create_new_leaf | ext4_ext_grow_indepth | le16_add_cpu(&neh->eh_depth, 1) | ext4_find_extent | // return -ENOMEM |// get error and try zeroout |path = ext4_find_extent | path->p_depth = 1 |ext4_ext_try_to_merge | ext4_ext_try_to_merge_up | path->p_depth = 0 | brelse(path[1].p_bh) ---> not set to NULL here |// zeroout success // 2. update path ext4_find_extent // 3. do split2 ext4_split_extent_at ext4_ext_insert_extent ext4_ext_create_new_leaf ext4_ext_grow_indepth le16_add_cpu(&neh->eh_depth, 1) ext4_find_extent path[0].p_bh = NULL; path->p_depth = 1 read_extent_tree_block ---> return err // path[1].p_bh is still the old value ext4_free_ext_path ext4_ext_drop_refs // path->p_depth == 1 brelse(path[1].p_bh) ---> brelse a buffer twice Finally got the following WARRNING when removing the buffer from lru: ============================================ VFS: brelse: Trying to free free buffer WARNING: CPU: 2 PID: 72 at fs/buffer.c:1241 __brelse+0x58/0x90 CPU: 2 PID: 72 Comm: kworker/u19:1 Not tainted 6.9.0-dirty #716 RIP: 0010:__brelse+0x58/0x90 Call Trace: __find_get_block+0x6e7/0x810 bdev_getblk+0x2b/0x480 __ext4_get_inode_loc+0x48a/0x1240 ext4_get_inode_loc+0xb2/0x150 ext4_reserve_inode_write+0xb7/0x230 __ext4_mark_inode_dirty+0x144/0x6a0 ext4_ext_insert_extent+0x9c8/0x3230 ext4_ext_map_blocks+0xf45/0x2dc0 ext4_map_blocks+0x724/0x1700 ext4_do_writepages+0x12d6/0x2a70 [...] ============================================ Fixes: ecb94f5fdf4b ("ext4: collapse a single extent tree block into the inode if possible") Cc: stable@kernel.org Signed-off-by: Baokun Li Reviewed-by: Jan Kara Reviewed-by: Ojaswin Mujoo Tested-by: Ojaswin Mujoo Link: https://patch.msgid.link/20240822023545.1994557-9-libaokun@huaweicloud.com Signed-off-by: Theodore Ts'o Signed-off-by: Greg Kroah-Hartman --- fs/ext4/extents.c | 1 + 1 file changed, 1 insertion(+) diff --git a/fs/ext4/extents.c b/fs/ext4/extents.c index 3490feb47789..c92317ab5f0a 100644 --- a/fs/ext4/extents.c +++ b/fs/ext4/extents.c @@ -1867,6 +1867,7 @@ static void ext4_ext_try_to_merge_up(handle_t *handle, path[0].p_hdr->eh_max = cpu_to_le16(max_root); brelse(path[1].p_bh); + path[1].p_bh = NULL; ext4_free_blocks(handle, inode, NULL, blk, 1, EXT4_FREE_BLOCKS_METADATA | EXT4_FREE_BLOCKS_FORGET); } From 6766937d0327000ac1b87c97bbecdd28b0dd6599 Mon Sep 17 00:00:00 2001 From: Baokun Li Date: Thu, 22 Aug 2024 10:35:25 +0800 Subject: [PATCH 377/649] ext4: update orig_path in ext4_find_extent() commit 5b4b2dcace35f618fe361a87bae6f0d13af31bc1 upstream. In ext4_find_extent(), if the path is not big enough, we free it and set *orig_path to NULL. But after reallocating and successfully initializing the path, we don't update *orig_path, in which case the caller gets a valid path but a NULL ppath, and this may cause a NULL pointer dereference or a path memory leak. For example: ext4_split_extent path = *ppath = 2000 ext4_find_extent if (depth > path[0].p_maxdepth) kfree(path = 2000); *orig_path = path = NULL; path = kcalloc() = 3000 ext4_split_extent_at(*ppath = NULL) path = *ppath; ex = path[depth].p_ext; // NULL pointer dereference! ================================================================== BUG: kernel NULL pointer dereference, address: 0000000000000010 CPU: 6 UID: 0 PID: 576 Comm: fsstress Not tainted 6.11.0-rc2-dirty #847 RIP: 0010:ext4_split_extent_at+0x6d/0x560 Call Trace: ext4_split_extent.isra.0+0xcb/0x1b0 ext4_ext_convert_to_initialized+0x168/0x6c0 ext4_ext_handle_unwritten_extents+0x325/0x4d0 ext4_ext_map_blocks+0x520/0xdb0 ext4_map_blocks+0x2b0/0x690 ext4_iomap_begin+0x20e/0x2c0 [...] ================================================================== Therefore, *orig_path is updated when the extent lookup succeeds, so that the caller can safely use path or *ppath. Fixes: 10809df84a4d ("ext4: teach ext4_ext_find_extent() to realloc path if necessary") Cc: stable@kernel.org Signed-off-by: Baokun Li Reviewed-by: Jan Kara Link: https://patch.msgid.link/20240822023545.1994557-6-libaokun@huaweicloud.com Signed-off-by: Theodore Ts'o Signed-off-by: Greg Kroah-Hartman --- fs/ext4/extents.c | 3 ++- fs/ext4/move_extent.c | 1 - 2 files changed, 2 insertions(+), 2 deletions(-) diff --git a/fs/ext4/extents.c b/fs/ext4/extents.c index c92317ab5f0a..43b8ed90c219 100644 --- a/fs/ext4/extents.c +++ b/fs/ext4/extents.c @@ -949,6 +949,8 @@ ext4_find_extent(struct inode *inode, ext4_lblk_t block, ext4_ext_show_path(inode, path); + if (orig_path) + *orig_path = path; return path; err: @@ -3245,7 +3247,6 @@ static int ext4_split_extent_at(handle_t *handle, } depth = ext_depth(inode); ex = path[depth].p_ext; - *ppath = path; if (EXT4_EXT_MAY_ZEROOUT & split_flag) { if (split_flag & (EXT4_EXT_DATA_VALID1|EXT4_EXT_DATA_VALID2)) { diff --git a/fs/ext4/move_extent.c b/fs/ext4/move_extent.c index f8dd5d972c33..661a8544d781 100644 --- a/fs/ext4/move_extent.c +++ b/fs/ext4/move_extent.c @@ -36,7 +36,6 @@ get_ext_path(struct inode *inode, ext4_lblk_t lblock, *ppath = NULL; return -ENODATA; } - *ppath = path; return 0; } From 25ec5c873c459c9bfb17b8a8ba415fb10c76feaf Mon Sep 17 00:00:00 2001 From: "Luis Henriques (SUSE)" Date: Wed, 24 Jul 2024 17:11:15 +0100 Subject: [PATCH 378/649] ext4: fix incorrect tid assumption in ext4_wait_for_tail_page_commit() commit dd589b0f1445e1ea1085b98edca6e4d5dedb98d0 upstream. Function ext4_wait_for_tail_page_commit() assumes that '0' is not a valid value for transaction IDs, which is incorrect. Don't assume that and invoke jbd2_log_wait_commit() if the journal had a committing transaction instead. Signed-off-by: Luis Henriques (SUSE) Reviewed-by: Jan Kara Link: https://patch.msgid.link/20240724161119.13448-2-luis.henriques@linux.dev Signed-off-by: Theodore Ts'o Cc: stable@kernel.org Signed-off-by: Greg Kroah-Hartman --- fs/ext4/inode.c | 11 +++++++---- 1 file changed, 7 insertions(+), 4 deletions(-) diff --git a/fs/ext4/inode.c b/fs/ext4/inode.c index 6e9323a56d28..c991955412a4 100644 --- a/fs/ext4/inode.c +++ b/fs/ext4/inode.c @@ -5367,8 +5367,9 @@ static void ext4_wait_for_tail_page_commit(struct inode *inode) struct page *page; unsigned offset; journal_t *journal = EXT4_SB(inode->i_sb)->s_journal; - tid_t commit_tid = 0; + tid_t commit_tid; int ret; + bool has_transaction; offset = inode->i_size & (PAGE_SIZE - 1); /* @@ -5393,12 +5394,14 @@ static void ext4_wait_for_tail_page_commit(struct inode *inode) put_page(page); if (ret != -EBUSY) return; - commit_tid = 0; + has_transaction = false; read_lock(&journal->j_state_lock); - if (journal->j_committing_transaction) + if (journal->j_committing_transaction) { commit_tid = journal->j_committing_transaction->t_tid; + has_transaction = true; + } read_unlock(&journal->j_state_lock); - if (commit_tid) + if (has_transaction) jbd2_log_wait_commit(journal, commit_tid); } } From ea7dead204202338e7a888f6440eb791f2426d93 Mon Sep 17 00:00:00 2001 From: Helge Deller Date: Sun, 8 Sep 2024 00:40:38 +0200 Subject: [PATCH 379/649] parisc: Fix 64-bit userspace syscall path commit d24449864da5838936669618356b0e30ca2999c3 upstream. Currently the glibc isn't yet ported to 64-bit for hppa, so there is no usable userspace available yet. But it's possible to manually build a static 64-bit binary and run that for testing. One such 64-bit test program is available at http://ftp.parisc-linux.org/src/64bit.tar.gz and it shows various issues with the existing 64-bit syscall path in the kernel. This patch fixes those issues. Signed-off-by: Helge Deller Cc: stable@vger.kernel.org # v4.19+ Signed-off-by: Greg Kroah-Hartman --- arch/parisc/kernel/syscall.S | 14 ++++++++------ 1 file changed, 8 insertions(+), 6 deletions(-) diff --git a/arch/parisc/kernel/syscall.S b/arch/parisc/kernel/syscall.S index 4e53515cf81f..2fb0f0ac980c 100644 --- a/arch/parisc/kernel/syscall.S +++ b/arch/parisc/kernel/syscall.S @@ -217,10 +217,10 @@ linux_gateway_entry: #ifdef CONFIG_64BIT ldil L%sys_call_table, %r1 - or,= %r2,%r2,%r2 - addil L%(sys_call_table64-sys_call_table), %r1 + or,ev %r2,%r2,%r2 + ldil L%sys_call_table64, %r1 ldo R%sys_call_table(%r1), %r19 - or,= %r2,%r2,%r2 + or,ev %r2,%r2,%r2 ldo R%sys_call_table64(%r1), %r19 #else load32 sys_call_table, %r19 @@ -355,10 +355,10 @@ tracesys_next: extrd,u %r19,63,1,%r2 /* W hidden in bottom bit */ ldil L%sys_call_table, %r1 - or,= %r2,%r2,%r2 - addil L%(sys_call_table64-sys_call_table), %r1 + or,ev %r2,%r2,%r2 + ldil L%sys_call_table64, %r1 ldo R%sys_call_table(%r1), %r19 - or,= %r2,%r2,%r2 + or,ev %r2,%r2,%r2 ldo R%sys_call_table64(%r1), %r19 #else load32 sys_call_table, %r19 @@ -931,6 +931,8 @@ ENTRY(sys_call_table) END(sys_call_table) #ifdef CONFIG_64BIT +#undef __SYSCALL_WITH_COMPAT +#define __SYSCALL_WITH_COMPAT(nr, native, compat) __SYSCALL(nr, native) .align 8 ENTRY(sys_call_table64) #include /* 64-bit native syscalls */ From a63fdf20cc26fa113464d38133d8d4075e72f7ce Mon Sep 17 00:00:00 2001 From: Helge Deller Date: Sat, 7 Sep 2024 18:28:11 +0200 Subject: [PATCH 380/649] parisc: Fix stack start for ADDR_NO_RANDOMIZE personality commit f31b256994acec6929306dfa86ac29716e7503d6 upstream. Fix the stack start address calculation for the parisc architecture in setup_arg_pages() when address randomization is disabled. When the ADDR_NO_RANDOMIZE process personality is disabled there is no need to add additional space for the stack. Note that this patch touches code inside an #ifdef CONFIG_STACK_GROWSUP hunk, which is why only the parisc architecture is affected since it's the only Linux architecture where the stack grows upwards. Without this patch you will find the stack in the middle of some mapped libaries and suddenly limited to 6MB instead of 8MB: root@parisc:~# setarch -R /bin/bash -c "cat /proc/self/maps" 00010000-00019000 r-xp 00000000 08:05 1182034 /usr/bin/cat 00019000-0001a000 rwxp 00009000 08:05 1182034 /usr/bin/cat 0001a000-0003b000 rwxp 00000000 00:00 0 [heap] f90c4000-f9283000 r-xp 00000000 08:05 1573004 /usr/lib/hppa-linux-gnu/libc.so.6 f9283000-f9285000 r--p 001bf000 08:05 1573004 /usr/lib/hppa-linux-gnu/libc.so.6 f9285000-f928a000 rwxp 001c1000 08:05 1573004 /usr/lib/hppa-linux-gnu/libc.so.6 f928a000-f9294000 rwxp 00000000 00:00 0 f9301000-f9323000 rwxp 00000000 00:00 0 [stack] f98b4000-f98e4000 r-xp 00000000 08:05 1572869 /usr/lib/hppa-linux-gnu/ld.so.1 f98e4000-f98e5000 r--p 00030000 08:05 1572869 /usr/lib/hppa-linux-gnu/ld.so.1 f98e5000-f98e9000 rwxp 00031000 08:05 1572869 /usr/lib/hppa-linux-gnu/ld.so.1 f9ad8000-f9b00000 rw-p 00000000 00:00 0 f9b00000-f9b01000 r-xp 00000000 00:00 0 [vdso] With the patch the stack gets correctly mapped at the end of the process memory map: root@panama:~# setarch -R /bin/bash -c "cat /proc/self/maps" 00010000-00019000 r-xp 00000000 08:13 16385582 /usr/bin/cat 00019000-0001a000 rwxp 00009000 08:13 16385582 /usr/bin/cat 0001a000-0003b000 rwxp 00000000 00:00 0 [heap] fef29000-ff0eb000 r-xp 00000000 08:13 16122400 /usr/lib/hppa-linux-gnu/libc.so.6 ff0eb000-ff0ed000 r--p 001c2000 08:13 16122400 /usr/lib/hppa-linux-gnu/libc.so.6 ff0ed000-ff0f2000 rwxp 001c4000 08:13 16122400 /usr/lib/hppa-linux-gnu/libc.so.6 ff0f2000-ff0fc000 rwxp 00000000 00:00 0 ff4b4000-ff4e4000 r-xp 00000000 08:13 16121913 /usr/lib/hppa-linux-gnu/ld.so.1 ff4e4000-ff4e6000 r--p 00030000 08:13 16121913 /usr/lib/hppa-linux-gnu/ld.so.1 ff4e6000-ff4ea000 rwxp 00032000 08:13 16121913 /usr/lib/hppa-linux-gnu/ld.so.1 ff6d7000-ff6ff000 rw-p 00000000 00:00 0 ff6ff000-ff700000 r-xp 00000000 00:00 0 [vdso] ff700000-ff722000 rwxp 00000000 00:00 0 [stack] Reported-by: Camm Maguire Signed-off-by: Helge Deller Fixes: d045c77c1a69 ("parisc,metag: Fix crashes due to stack randomization on stack-grows-upwards architectures") Fixes: 17d9822d4b4c ("parisc: Consider stack randomization for mmap base only when necessary") Cc: stable@vger.kernel.org # v5.2+ Signed-off-by: Greg Kroah-Hartman --- fs/exec.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/fs/exec.c b/fs/exec.c index 6a4bbe58d3c0..6e5324c7e9b6 100644 --- a/fs/exec.c +++ b/fs/exec.c @@ -766,7 +766,8 @@ int setup_arg_pages(struct linux_binprm *bprm, stack_base = STACK_SIZE_MAX; /* Add space for stack randomization. */ - stack_base += (STACK_RND_MASK << PAGE_SHIFT); + if (current->flags & PF_RANDOMIZE) + stack_base += (STACK_RND_MASK << PAGE_SHIFT); /* Make sure we didn't let the argument array grow too large. */ if (vma->vm_end - vma->vm_start > stack_base) From 3e8862875f8b41d42338edb2edc7e81a49244c32 Mon Sep 17 00:00:00 2001 From: Andrew Jones Date: Sat, 17 Aug 2024 09:41:08 +0200 Subject: [PATCH 381/649] of/irq: Support #msi-cells=<0> in of_msi_get_domain commit db8e81132cf051843c9a59b46fa5a071c45baeb3 upstream. An 'msi-parent' property with a single entry and no accompanying '#msi-cells' property is considered the legacy definition as opposed to its definition after being expanded with commit 126b16e2ad98 ("Docs: dt: add generic MSI bindings"). However, the legacy definition is completely compatible with the current definition and, since of_phandle_iterator_next() tolerates missing and present-but- zero *cells properties since commit e42ee61017f5 ("of: Let of_for_each_phandle fallback to non-negative cell_count"), there's no need anymore to special case the legacy definition in of_msi_get_domain(). Indeed, special casing has turned out to be harmful, because, as of commit 7c025238b47a ("dt-bindings: irqchip: Describe the IMX MU block as a MSI controller"), MSI controller DT bindings have started specifying '#msi-cells' as a required property (even when the value must be zero) as an effort to make the bindings more explicit. But, since the special casing of 'msi-parent' only uses the existence of '#msi-cells' for its heuristic, and not whether or not it's also nonzero, the legacy path is not taken. Furthermore, the path to support the new, broader definition isn't taken either since that path has been restricted to the platform-msi bus. But, neither the definition of 'msi-parent' nor the definition of '#msi-cells' is platform-msi-specific (the platform-msi bus was just the first bus that needed '#msi-cells'), so remove both the special casing and the restriction. The code removal also requires changing to of_parse_phandle_with_optional_args() in order to ensure the legacy (but compatible) use of 'msi-parent' remains supported. This not only simplifies the code but also resolves an issue with PCI devices finding their MSI controllers on riscv, as the riscv,imsics binding requires '#msi-cells=<0>'. Signed-off-by: Andrew Jones Link: https://lore.kernel.org/r/20240817074107.31153-2-ajones@ventanamicro.com Cc: stable@vger.kernel.org Signed-off-by: Rob Herring (Arm) Signed-off-by: Greg Kroah-Hartman --- drivers/of/irq.c | 34 +++++++--------------------------- 1 file changed, 7 insertions(+), 27 deletions(-) diff --git a/drivers/of/irq.c b/drivers/of/irq.c index 70ac9cb3b2c6..f59bbcc94430 100644 --- a/drivers/of/irq.c +++ b/drivers/of/irq.c @@ -642,8 +642,7 @@ struct irq_domain *of_msi_map_get_device_domain(struct device *dev, u32 id, * @np: device node for @dev * @token: bus type for this domain * - * Parse the msi-parent property (both the simple and the complex - * versions), and returns the corresponding MSI domain. + * Parse the msi-parent property and returns the corresponding MSI domain. * * Returns: the MSI domain for this device (or NULL on failure). */ @@ -651,33 +650,14 @@ struct irq_domain *of_msi_get_domain(struct device *dev, struct device_node *np, enum irq_domain_bus_token token) { - struct device_node *msi_np; + struct of_phandle_iterator it; struct irq_domain *d; + int err; - /* Check for a single msi-parent property */ - msi_np = of_parse_phandle(np, "msi-parent", 0); - if (msi_np && !of_property_read_bool(msi_np, "#msi-cells")) { - d = irq_find_matching_host(msi_np, token); - if (!d) - of_node_put(msi_np); - return d; - } - - if (token == DOMAIN_BUS_PLATFORM_MSI) { - /* Check for the complex msi-parent version */ - struct of_phandle_args args; - int index = 0; - - while (!of_parse_phandle_with_args(np, "msi-parent", - "#msi-cells", - index, &args)) { - d = irq_find_matching_host(args.np, token); - if (d) - return d; - - of_node_put(args.np); - index++; - } + of_for_each_phandle(&it, err, np, "msi-parent", "#msi-cells", 0) { + d = irq_find_matching_host(it.node, token); + if (d) + return d; } return NULL; From 2bda89735199683b03f55b807bd1e31a3857520b Mon Sep 17 00:00:00 2001 From: Ma Ke Date: Thu, 8 Aug 2024 14:13:36 +0800 Subject: [PATCH 382/649] drm: omapdrm: Add missing check for alloc_ordered_workqueue commit e794b7b9b92977365c693760a259f8eef940c536 upstream. As it may return NULL pointer and cause NULL pointer dereference. Add check for the return value of alloc_ordered_workqueue. Cc: stable@vger.kernel.org Fixes: 2f95bc6d324a ("drm: omapdrm: Perform initialization/cleanup at probe/remove time") Signed-off-by: Ma Ke Signed-off-by: Tomi Valkeinen Link: https://patchwork.freedesktop.org/patch/msgid/20240808061336.2796729-1-make24@iscas.ac.cn Signed-off-by: Greg Kroah-Hartman --- drivers/gpu/drm/omapdrm/omap_drv.c | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/drivers/gpu/drm/omapdrm/omap_drv.c b/drivers/gpu/drm/omapdrm/omap_drv.c index 53d5e184ee77..8c664ef0cf62 100644 --- a/drivers/gpu/drm/omapdrm/omap_drv.c +++ b/drivers/gpu/drm/omapdrm/omap_drv.c @@ -600,6 +600,10 @@ static int omapdrm_init(struct omap_drm_private *priv, struct device *dev) soc = soc_device_match(omapdrm_soc_devices); priv->omaprev = soc ? (unsigned int)soc->data : 0; priv->wq = alloc_ordered_workqueue("omapdrm", 0); + if (!priv->wq) { + ret = -ENOMEM; + goto err_alloc_workqueue; + } mutex_init(&priv->list_lock); INIT_LIST_HEAD(&priv->obj_list); @@ -649,6 +653,7 @@ static int omapdrm_init(struct omap_drm_private *priv, struct device *dev) err_gem_deinit: omap_gem_deinit(ddev); destroy_workqueue(priv->wq); +err_alloc_workqueue: omap_disconnect_pipelines(ddev); omap_crtc_pre_uninit(priv); drm_dev_put(ddev); From 481e8f18a290e39e04ddb7feb2bb2a2cc3b213ed Mon Sep 17 00:00:00 2001 From: Baokun Li Date: Thu, 18 Jul 2024 19:53:36 +0800 Subject: [PATCH 383/649] jbd2: stop waiting for space when jbd2_cleanup_journal_tail() returns error commit f5cacdc6f2bb2a9bf214469dd7112b43dd2dd68a upstream. In __jbd2_log_wait_for_space(), we might call jbd2_cleanup_journal_tail() to recover some journal space. But if an error occurs while executing jbd2_cleanup_journal_tail() (e.g., an EIO), we don't stop waiting for free space right away, we try other branches, and if j_committing_transaction is NULL (i.e., the tid is 0), we will get the following complain: ============================================ JBD2: I/O error when updating journal superblock for sdd-8. __jbd2_log_wait_for_space: needed 256 blocks and only had 217 space available __jbd2_log_wait_for_space: no way to get more journal space in sdd-8 ------------[ cut here ]------------ WARNING: CPU: 2 PID: 139804 at fs/jbd2/checkpoint.c:109 __jbd2_log_wait_for_space+0x251/0x2e0 Modules linked in: CPU: 2 PID: 139804 Comm: kworker/u8:3 Not tainted 6.6.0+ #1 RIP: 0010:__jbd2_log_wait_for_space+0x251/0x2e0 Call Trace: add_transaction_credits+0x5d1/0x5e0 start_this_handle+0x1ef/0x6a0 jbd2__journal_start+0x18b/0x340 ext4_dirty_inode+0x5d/0xb0 __mark_inode_dirty+0xe4/0x5d0 generic_update_time+0x60/0x70 [...] ============================================ So only if jbd2_cleanup_journal_tail() returns 1, i.e., there is nothing to clean up at the moment, continue to try to reclaim free space in other ways. Note that this fix relies on commit 6f6a6fda2945 ("jbd2: fix ocfs2 corrupt when updating journal superblock fails") to make jbd2_cleanup_journal_tail return the correct error code. Fixes: 8c3f25d8950c ("jbd2: don't give up looking for space so easily in __jbd2_log_wait_for_space") Cc: stable@kernel.org Signed-off-by: Baokun Li Reviewed-by: Jan Kara Link: https://patch.msgid.link/20240718115336.2554501-1-libaokun@huaweicloud.com Signed-off-by: Theodore Ts'o Signed-off-by: Greg Kroah-Hartman --- fs/jbd2/checkpoint.c | 7 +++++-- 1 file changed, 5 insertions(+), 2 deletions(-) diff --git a/fs/jbd2/checkpoint.c b/fs/jbd2/checkpoint.c index 35bd2752fa93..0aaff82ecd1c 100644 --- a/fs/jbd2/checkpoint.c +++ b/fs/jbd2/checkpoint.c @@ -125,8 +125,11 @@ __releases(&journal->j_state_lock) write_unlock(&journal->j_state_lock); if (chkpt) { jbd2_log_do_checkpoint(journal); - } else if (jbd2_cleanup_journal_tail(journal) == 0) { - /* We were able to recover space; yay! */ + } else if (jbd2_cleanup_journal_tail(journal) <= 0) { + /* + * We were able to recover space or the + * journal was aborted due to an error. + */ ; } else if (has_transaction) { /* From 7fabacb337f04b58dc2f06a8fbecc06abac78011 Mon Sep 17 00:00:00 2001 From: Kemeng Shi Date: Thu, 1 Aug 2024 09:38:08 +0800 Subject: [PATCH 384/649] jbd2: correctly compare tids with tid_geq function in jbd2_fc_begin_commit commit f0e3c14802515f60a47e6ef347ea59c2733402aa upstream. Use tid_geq to compare tids to work over sequence number wraps. Signed-off-by: Kemeng Shi Reviewed-by: Jan Kara Reviewed-by: Zhang Yi Cc: stable@kernel.org Link: https://patch.msgid.link/20240801013815.2393869-2-shikemeng@huaweicloud.com Signed-off-by: Theodore Ts'o Signed-off-by: Greg Kroah-Hartman --- fs/jbd2/journal.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/fs/jbd2/journal.c b/fs/jbd2/journal.c index 205e6c7c2fd0..972f30f527bb 100644 --- a/fs/jbd2/journal.c +++ b/fs/jbd2/journal.c @@ -740,7 +740,7 @@ int jbd2_fc_begin_commit(journal_t *journal, tid_t tid) return -EINVAL; write_lock(&journal->j_state_lock); - if (tid <= journal->j_commit_sequence) { + if (tid_geq(journal->j_commit_sequence, tid)) { write_unlock(&journal->j_state_lock); return -EALREADY; } From a543785856249a5ba8c20468098601c0c33b1224 Mon Sep 17 00:00:00 2001 From: Danilo Krummrich Date: Tue, 13 Aug 2024 00:34:34 +0200 Subject: [PATCH 385/649] mm: krealloc: consider spare memory for __GFP_ZERO commit 1a83a716ec233990e1fd5b6fbb1200ade63bf450 upstream. As long as krealloc() is called with __GFP_ZERO consistently, starting with the initial memory allocation, __GFP_ZERO should be fully honored. However, if for an existing allocation krealloc() is called with a decreased size, it is not ensured that the spare portion the allocation is zeroed. Thus, if krealloc() is subsequently called with a larger size again, __GFP_ZERO can't be fully honored, since we don't know the previous size, but only the bucket size. Example: buf = kzalloc(64, GFP_KERNEL); memset(buf, 0xff, 64); buf = krealloc(buf, 48, GFP_KERNEL | __GFP_ZERO); /* After this call the last 16 bytes are still 0xff. */ buf = krealloc(buf, 64, GFP_KERNEL | __GFP_ZERO); Fix this, by explicitly setting spare memory to zero, when shrinking an allocation with __GFP_ZERO flag set or init_on_alloc enabled. Link: https://lkml.kernel.org/r/20240812223707.32049-1-dakr@kernel.org Signed-off-by: Danilo Krummrich Acked-by: Vlastimil Babka Acked-by: David Rientjes Cc: Christoph Lameter Cc: Hyeonggon Yoo <42.hyeyoo@gmail.com> Cc: Joonsoo Kim Cc: Pekka Enberg Cc: Roman Gushchin Cc: Signed-off-by: Andrew Morton Signed-off-by: Greg Kroah-Hartman --- mm/slab_common.c | 7 +++++++ 1 file changed, 7 insertions(+) diff --git a/mm/slab_common.c b/mm/slab_common.c index ec832904f408..2faea1ecd811 100644 --- a/mm/slab_common.c +++ b/mm/slab_common.c @@ -1072,6 +1072,13 @@ static __always_inline void *__do_krealloc(const void *p, size_t new_size, ks = ksize(p); if (ks >= new_size) { + /* Zero out spare memory. */ + if (want_init_on_alloc(flags)) { + kasan_disable_current(); + memset((void *)p + new_size, 0, ks - new_size); + kasan_enable_current(); + } + p = kasan_krealloc((void *)p, new_size, flags); return (void *)p; } From ff1500fe2649f350ca084213c374c34eae35f52c Mon Sep 17 00:00:00 2001 From: Heming Zhao Date: Fri, 19 Jul 2024 19:43:10 +0800 Subject: [PATCH 386/649] ocfs2: fix the la space leak when unmounting an ocfs2 volume commit dfe6c5692fb525e5e90cefe306ee0dffae13d35f upstream. This bug has existed since the initial OCFS2 code. The code logic in ocfs2_sync_local_to_main() is wrong, as it ignores the last contiguous free bits, which causes an OCFS2 volume to lose the last free clusters of LA window on each umount command. Link: https://lkml.kernel.org/r/20240719114310.14245-1-heming.zhao@suse.com Signed-off-by: Heming Zhao Reviewed-by: Su Yue Reviewed-by: Joseph Qi Cc: Mark Fasheh Cc: Joel Becker Cc: Junxiao Bi Cc: Changwei Ge Cc: Gang He Cc: Jun Piao Cc: Heming Zhao Cc: Signed-off-by: Andrew Morton Signed-off-by: Greg Kroah-Hartman --- fs/ocfs2/localalloc.c | 19 +++++++++++++++++++ 1 file changed, 19 insertions(+) diff --git a/fs/ocfs2/localalloc.c b/fs/ocfs2/localalloc.c index fc8252a28cb1..67c39fe20969 100644 --- a/fs/ocfs2/localalloc.c +++ b/fs/ocfs2/localalloc.c @@ -1010,6 +1010,25 @@ static int ocfs2_sync_local_to_main(struct ocfs2_super *osb, start = bit_off + 1; } + /* clear the contiguous bits until the end boundary */ + if (count) { + blkno = la_start_blk + + ocfs2_clusters_to_blocks(osb->sb, + start - count); + + trace_ocfs2_sync_local_to_main_free( + count, start - count, + (unsigned long long)la_start_blk, + (unsigned long long)blkno); + + status = ocfs2_release_clusters(handle, + main_bm_inode, + main_bm_bh, blkno, + count); + if (status < 0) + mlog_errno(status); + } + bail: if (status) mlog_errno(status); From 8e3bf366368ed1deb55b6b6f9afaf7cf367954c9 Mon Sep 17 00:00:00 2001 From: Joseph Qi Date: Wed, 25 Sep 2024 17:06:00 +0800 Subject: [PATCH 387/649] ocfs2: fix uninit-value in ocfs2_get_block() commit 2af148ef8549a12f8025286b8825c2833ee6bcb8 upstream. syzbot reported an uninit-value BUG: BUG: KMSAN: uninit-value in ocfs2_get_block+0xed2/0x2710 fs/ocfs2/aops.c:159 ocfs2_get_block+0xed2/0x2710 fs/ocfs2/aops.c:159 do_mpage_readpage+0xc45/0x2780 fs/mpage.c:225 mpage_readahead+0x43f/0x840 fs/mpage.c:374 ocfs2_readahead+0x269/0x320 fs/ocfs2/aops.c:381 read_pages+0x193/0x1110 mm/readahead.c:160 page_cache_ra_unbounded+0x901/0x9f0 mm/readahead.c:273 do_page_cache_ra mm/readahead.c:303 [inline] force_page_cache_ra+0x3b1/0x4b0 mm/readahead.c:332 force_page_cache_readahead mm/internal.h:347 [inline] generic_fadvise+0x6b0/0xa90 mm/fadvise.c:106 vfs_fadvise mm/fadvise.c:185 [inline] ksys_fadvise64_64 mm/fadvise.c:199 [inline] __do_sys_fadvise64 mm/fadvise.c:214 [inline] __se_sys_fadvise64 mm/fadvise.c:212 [inline] __x64_sys_fadvise64+0x1fb/0x3a0 mm/fadvise.c:212 x64_sys_call+0xe11/0x3ba0 arch/x86/include/generated/asm/syscalls_64.h:222 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xcd/0x1e0 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f This is because when ocfs2_extent_map_get_blocks() fails, p_blkno is uninitialized. So the error log will trigger the above uninit-value access. The error log is out-of-date since get_blocks() was removed long time ago. And the error code will be logged in ocfs2_extent_map_get_blocks() once ocfs2_get_cluster() fails, so fix this by only logging inode and block. Link: https://syzkaller.appspot.com/bug?extid=9709e73bae885b05314b Link: https://lkml.kernel.org/r/20240925090600.3643376-1-joseph.qi@linux.alibaba.com Fixes: ccd979bdbce9 ("[PATCH] OCFS2: The Second Oracle Cluster Filesystem") Signed-off-by: Joseph Qi Reported-by: syzbot+9709e73bae885b05314b@syzkaller.appspotmail.com Tested-by: syzbot+9709e73bae885b05314b@syzkaller.appspotmail.com Cc: Heming Zhao Cc: Mark Fasheh Cc: Joel Becker Cc: Junxiao Bi Cc: Changwei Ge Cc: Gang He Cc: Jun Piao Cc: Signed-off-by: Andrew Morton Signed-off-by: Greg Kroah-Hartman --- fs/ocfs2/aops.c | 5 ++--- 1 file changed, 2 insertions(+), 3 deletions(-) diff --git a/fs/ocfs2/aops.c b/fs/ocfs2/aops.c index 1a5f23e79f5e..667d63d23f8f 100644 --- a/fs/ocfs2/aops.c +++ b/fs/ocfs2/aops.c @@ -158,9 +158,8 @@ int ocfs2_get_block(struct inode *inode, sector_t iblock, err = ocfs2_extent_map_get_blocks(inode, iblock, &p_blkno, &count, &ext_flags); if (err) { - mlog(ML_ERROR, "Error %d from get_blocks(0x%p, %llu, 1, " - "%llu, NULL)\n", err, inode, (unsigned long long)iblock, - (unsigned long long)p_blkno); + mlog(ML_ERROR, "get_blocks() failed, inode: 0x%p, " + "block: %llu\n", inode, (unsigned long long)iblock); goto bail; } From aac31d654a0a31cb0d2fa36ae694f4e164a52707 Mon Sep 17 00:00:00 2001 From: Gautham Ananthakrishna Date: Wed, 18 Sep 2024 06:38:44 +0000 Subject: [PATCH 388/649] ocfs2: reserve space for inline xattr before attaching reflink tree commit 5ca60b86f57a4d9648f68418a725b3a7de2816b0 upstream. One of our customers reported a crash and a corrupted ocfs2 filesystem. The crash was due to the detection of corruption. Upon troubleshooting, the fsck -fn output showed the below corruption [EXTENT_LIST_FREE] Extent list in owner 33080590 claims 230 as the next free chain record, but fsck believes the largest valid value is 227. Clamp the next record value? n The stat output from the debugfs.ocfs2 showed the following corruption where the "Next Free Rec:" had overshot the "Count:" in the root metadata block. Inode: 33080590 Mode: 0640 Generation: 2619713622 (0x9c25a856) FS Generation: 904309833 (0x35e6ac49) CRC32: 00000000 ECC: 0000 Type: Regular Attr: 0x0 Flags: Valid Dynamic Features: (0x16) HasXattr InlineXattr Refcounted Extended Attributes Block: 0 Extended Attributes Inline Size: 256 User: 0 (root) Group: 0 (root) Size: 281320357888 Links: 1 Clusters: 141738 ctime: 0x66911b56 0x316edcb8 -- Fri Jul 12 06:02:30.829349048 2024 atime: 0x66911d6b 0x7f7a28d -- Fri Jul 12 06:11:23.133669517 2024 mtime: 0x66911b56 0x12ed75d7 -- Fri Jul 12 06:02:30.317552087 2024 dtime: 0x0 -- Wed Dec 31 17:00:00 1969 Refcount Block: 2777346 Last Extblk: 2886943 Orphan Slot: 0 Sub Alloc Slot: 0 Sub Alloc Bit: 14 Tree Depth: 1 Count: 227 Next Free Rec: 230 ## Offset Clusters Block# 0 0 2310 2776351 1 2310 2139 2777375 2 4449 1221 2778399 3 5670 731 2779423 4 6401 566 2780447 ....... .... ....... ....... .... ....... The issue was in the reflink workfow while reserving space for inline xattr. The problematic function is ocfs2_reflink_xattr_inline(). By the time this function is called the reflink tree is already recreated at the destination inode from the source inode. At this point, this function reserves space for inline xattrs at the destination inode without even checking if there is space at the root metadata block. It simply reduces the l_count from 243 to 227 thereby making space of 256 bytes for inline xattr whereas the inode already has extents beyond this index (in this case up to 230), thereby causing corruption. The fix for this is to reserve space for inline metadata at the destination inode before the reflink tree gets recreated. The customer has verified the fix. Link: https://lkml.kernel.org/r/20240918063844.1830332-1-gautham.ananthakrishna@oracle.com Fixes: ef962df057aa ("ocfs2: xattr: fix inlined xattr reflink") Signed-off-by: Gautham Ananthakrishna Reviewed-by: Joseph Qi Cc: Mark Fasheh Cc: Joel Becker Cc: Junxiao Bi Cc: Changwei Ge Cc: Gang He Cc: Jun Piao Cc: Signed-off-by: Andrew Morton Signed-off-by: Greg Kroah-Hartman --- fs/ocfs2/refcounttree.c | 26 ++++++++++++++++++++++++-- fs/ocfs2/xattr.c | 11 +---------- 2 files changed, 25 insertions(+), 12 deletions(-) diff --git a/fs/ocfs2/refcounttree.c b/fs/ocfs2/refcounttree.c index 3b397fa9c9e8..85d25c211c87 100644 --- a/fs/ocfs2/refcounttree.c +++ b/fs/ocfs2/refcounttree.c @@ -27,6 +27,7 @@ #include "namei.h" #include "ocfs2_trace.h" #include "file.h" +#include "symlink.h" #include #include @@ -4184,8 +4185,9 @@ static int __ocfs2_reflink(struct dentry *old_dentry, int ret; struct inode *inode = d_inode(old_dentry); struct buffer_head *new_bh = NULL; + struct ocfs2_inode_info *oi = OCFS2_I(inode); - if (OCFS2_I(inode)->ip_flags & OCFS2_INODE_SYSTEM_FILE) { + if (oi->ip_flags & OCFS2_INODE_SYSTEM_FILE) { ret = -EINVAL; mlog_errno(ret); goto out; @@ -4211,6 +4213,26 @@ static int __ocfs2_reflink(struct dentry *old_dentry, goto out_unlock; } + if ((oi->ip_dyn_features & OCFS2_HAS_XATTR_FL) && + (oi->ip_dyn_features & OCFS2_INLINE_XATTR_FL)) { + /* + * Adjust extent record count to reserve space for extended attribute. + * Inline data count had been adjusted in ocfs2_duplicate_inline_data(). + */ + struct ocfs2_inode_info *new_oi = OCFS2_I(new_inode); + + if (!(new_oi->ip_dyn_features & OCFS2_INLINE_DATA_FL) && + !(ocfs2_inode_is_fast_symlink(new_inode))) { + struct ocfs2_dinode *new_di = (struct ocfs2_dinode *)new_bh->b_data; + struct ocfs2_dinode *old_di = (struct ocfs2_dinode *)old_bh->b_data; + struct ocfs2_extent_list *el = &new_di->id2.i_list; + int inline_size = le16_to_cpu(old_di->i_xattr_inline_size); + + le16_add_cpu(&el->l_count, -(inline_size / + sizeof(struct ocfs2_extent_rec))); + } + } + ret = ocfs2_create_reflink_node(inode, old_bh, new_inode, new_bh, preserve); if (ret) { @@ -4218,7 +4240,7 @@ static int __ocfs2_reflink(struct dentry *old_dentry, goto inode_unlock; } - if (OCFS2_I(inode)->ip_dyn_features & OCFS2_HAS_XATTR_FL) { + if (oi->ip_dyn_features & OCFS2_HAS_XATTR_FL) { ret = ocfs2_reflink_xattrs(inode, old_bh, new_inode, new_bh, preserve); diff --git a/fs/ocfs2/xattr.c b/fs/ocfs2/xattr.c index 977a739d5448..00ede36aeec9 100644 --- a/fs/ocfs2/xattr.c +++ b/fs/ocfs2/xattr.c @@ -6526,16 +6526,7 @@ static int ocfs2_reflink_xattr_inline(struct ocfs2_xattr_reflink *args) } new_oi = OCFS2_I(args->new_inode); - /* - * Adjust extent record count to reserve space for extended attribute. - * Inline data count had been adjusted in ocfs2_duplicate_inline_data(). - */ - if (!(new_oi->ip_dyn_features & OCFS2_INLINE_DATA_FL) && - !(ocfs2_inode_is_fast_symlink(args->new_inode))) { - struct ocfs2_extent_list *el = &new_di->id2.i_list; - le16_add_cpu(&el->l_count, -(inline_size / - sizeof(struct ocfs2_extent_rec))); - } + spin_lock(&new_oi->ip_lock); new_oi->ip_dyn_features |= OCFS2_HAS_XATTR_FL | OCFS2_INLINE_XATTR_FL; new_di->i_dyn_features = cpu_to_le16(new_oi->ip_dyn_features); From 14114d8148db07e7946fb06b56a50cfa425e26c7 Mon Sep 17 00:00:00 2001 From: Joseph Qi Date: Wed, 4 Sep 2024 15:10:03 +0800 Subject: [PATCH 389/649] ocfs2: cancel dqi_sync_work before freeing oinfo commit 35fccce29feb3706f649726d410122dd81b92c18 upstream. ocfs2_global_read_info() will initialize and schedule dqi_sync_work at the end, if error occurs after successfully reading global quota, it will trigger the following warning with CONFIG_DEBUG_OBJECTS_* enabled: ODEBUG: free active (active state 0) object: 00000000d8b0ce28 object type: timer_list hint: qsync_work_fn+0x0/0x16c This reports that there is an active delayed work when freeing oinfo in error handling, so cancel dqi_sync_work first. BTW, return status instead of -1 when .read_file_info fails. Link: https://syzkaller.appspot.com/bug?extid=f7af59df5d6b25f0febd Link: https://lkml.kernel.org/r/20240904071004.2067695-1-joseph.qi@linux.alibaba.com Fixes: 171bf93ce11f ("ocfs2: Periodic quota syncing") Signed-off-by: Joseph Qi Reviewed-by: Heming Zhao Reported-by: syzbot+f7af59df5d6b25f0febd@syzkaller.appspotmail.com Tested-by: syzbot+f7af59df5d6b25f0febd@syzkaller.appspotmail.com Cc: Mark Fasheh Cc: Joel Becker Cc: Junxiao Bi Cc: Changwei Ge Cc: Gang He Cc: Jun Piao Cc: Signed-off-by: Andrew Morton Signed-off-by: Greg Kroah-Hartman --- fs/ocfs2/quota_local.c | 8 ++++++-- 1 file changed, 6 insertions(+), 2 deletions(-) diff --git a/fs/ocfs2/quota_local.c b/fs/ocfs2/quota_local.c index b1a8b046f4c2..7a1c8da9e44b 100644 --- a/fs/ocfs2/quota_local.c +++ b/fs/ocfs2/quota_local.c @@ -689,7 +689,7 @@ static int ocfs2_local_read_info(struct super_block *sb, int type) int status; struct buffer_head *bh = NULL; struct ocfs2_quota_recovery *rec; - int locked = 0; + int locked = 0, global_read = 0; info->dqi_max_spc_limit = 0x7fffffffffffffffLL; info->dqi_max_ino_limit = 0x7fffffffffffffffLL; @@ -697,6 +697,7 @@ static int ocfs2_local_read_info(struct super_block *sb, int type) if (!oinfo) { mlog(ML_ERROR, "failed to allocate memory for ocfs2 quota" " info."); + status = -ENOMEM; goto out_err; } info->dqi_priv = oinfo; @@ -709,6 +710,7 @@ static int ocfs2_local_read_info(struct super_block *sb, int type) status = ocfs2_global_read_info(sb, type); if (status < 0) goto out_err; + global_read = 1; status = ocfs2_inode_lock(lqinode, &oinfo->dqi_lqi_bh, 1); if (status < 0) { @@ -779,10 +781,12 @@ static int ocfs2_local_read_info(struct super_block *sb, int type) if (locked) ocfs2_inode_unlock(lqinode, 1); ocfs2_release_local_quota_bitmaps(&oinfo->dqi_chunk); + if (global_read) + cancel_delayed_work_sync(&oinfo->dqi_sync_work); kfree(oinfo); } brelse(bh); - return -1; + return status; } /* Write local info to quota file */ From 3f1ca6ba5452d53c598a45d21267a2c0c221eef3 Mon Sep 17 00:00:00 2001 From: Lizhi Xu Date: Mon, 2 Sep 2024 10:36:35 +0800 Subject: [PATCH 390/649] ocfs2: remove unreasonable unlock in ocfs2_read_blocks commit c03a82b4a0c935774afa01fd6d128b444fd930a1 upstream. Patch series "Misc fixes for ocfs2_read_blocks", v5. This series contains 2 fixes for ocfs2_read_blocks(). The first patch fix the issue reported by syzbot, which detects bad unlock balance in ocfs2_read_blocks(). The second patch fixes an issue reported by Heming Zhao when reviewing above fix. This patch (of 2): There was a lock release before exiting, so remove the unreasonable unlock. Link: https://lkml.kernel.org/r/20240902023636.1843422-1-joseph.qi@linux.alibaba.com Link: https://lkml.kernel.org/r/20240902023636.1843422-2-joseph.qi@linux.alibaba.com Fixes: cf76c78595ca ("ocfs2: don't put and assigning null to bh allocated outside") Signed-off-by: Lizhi Xu Signed-off-by: Joseph Qi Reviewed-by: Heming Zhao Reviewed-by: Joseph Qi Reported-by: syzbot+ab134185af9ef88dfed5@syzkaller.appspotmail.com Closes: https://syzkaller.appspot.com/bug?extid=ab134185af9ef88dfed5 Tested-by: syzbot+ab134185af9ef88dfed5@syzkaller.appspotmail.com Cc: Mark Fasheh Cc: Joel Becker Cc: Junxiao Bi Cc: Changwei Ge Cc: Gang He Cc: Jun Piao Cc: [4.20+] Signed-off-by: Andrew Morton Signed-off-by: Greg Kroah-Hartman --- fs/ocfs2/buffer_head_io.c | 1 - 1 file changed, 1 deletion(-) diff --git a/fs/ocfs2/buffer_head_io.c b/fs/ocfs2/buffer_head_io.c index f0b104e483d8..da24e8449f24 100644 --- a/fs/ocfs2/buffer_head_io.c +++ b/fs/ocfs2/buffer_head_io.c @@ -237,7 +237,6 @@ int ocfs2_read_blocks(struct ocfs2_caching_info *ci, u64 block, int nr, if (bhs[i] == NULL) { bhs[i] = sb_getblk(sb, block++); if (bhs[i] == NULL) { - ocfs2_metadata_cache_io_unlock(ci); status = -ENOMEM; mlog_errno(status); /* Don't forget to put previous bh! */ From bf605ae98dab5c15c5b631d4d7f88898cb41b649 Mon Sep 17 00:00:00 2001 From: Julian Sun Date: Mon, 2 Sep 2024 11:08:44 +0800 Subject: [PATCH 391/649] ocfs2: fix null-ptr-deref when journal load failed. commit 5784d9fcfd43bd853654bb80c87ef293b9e8e80a upstream. During the mounting process, if journal_reset() fails because of too short journal, then lead to jbd2_journal_load() fails with NULL j_sb_buffer. Subsequently, ocfs2_journal_shutdown() calls jbd2_journal_flush()->jbd2_cleanup_journal_tail()-> __jbd2_update_log_tail()->jbd2_journal_update_sb_log_tail() ->lock_buffer(journal->j_sb_buffer), resulting in a null-pointer dereference error. To resolve this issue, we should check the JBD2_LOADED flag to ensure the journal was properly loaded. Additionally, use journal instead of osb->journal directly to simplify the code. Link: https://syzkaller.appspot.com/bug?extid=05b9b39d8bdfe1a0861f Link: https://lkml.kernel.org/r/20240902030844.422725-1-sunjunchao2870@gmail.com Fixes: f6f50e28f0cb ("jbd2: Fail to load a journal if it is too short") Signed-off-by: Julian Sun Reported-by: syzbot+05b9b39d8bdfe1a0861f@syzkaller.appspotmail.com Suggested-by: Joseph Qi Reviewed-by: Joseph Qi Cc: Mark Fasheh Cc: Joel Becker Cc: Junxiao Bi Cc: Changwei Ge Cc: Gang He Cc: Jun Piao Cc: Signed-off-by: Andrew Morton Signed-off-by: Greg Kroah-Hartman --- fs/ocfs2/journal.c | 7 ++++--- 1 file changed, 4 insertions(+), 3 deletions(-) diff --git a/fs/ocfs2/journal.c b/fs/ocfs2/journal.c index dfa6ff2756fb..c319495988b6 100644 --- a/fs/ocfs2/journal.c +++ b/fs/ocfs2/journal.c @@ -996,7 +996,7 @@ void ocfs2_journal_shutdown(struct ocfs2_super *osb) if (!igrab(inode)) BUG(); - num_running_trans = atomic_read(&(osb->journal->j_num_trans)); + num_running_trans = atomic_read(&(journal->j_num_trans)); trace_ocfs2_journal_shutdown(num_running_trans); /* Do a commit_cache here. It will flush our journal, *and* @@ -1015,9 +1015,10 @@ void ocfs2_journal_shutdown(struct ocfs2_super *osb) osb->commit_task = NULL; } - BUG_ON(atomic_read(&(osb->journal->j_num_trans)) != 0); + BUG_ON(atomic_read(&(journal->j_num_trans)) != 0); - if (ocfs2_mount_local(osb)) { + if (ocfs2_mount_local(osb) && + (journal->j_journal->j_flags & JBD2_LOADED)) { jbd2_journal_lock_updates(journal->j_journal); status = jbd2_journal_flush(journal->j_journal); jbd2_journal_unlock_updates(journal->j_journal); From 61b84013e560382cbe7dd56758be3154d43a3988 Mon Sep 17 00:00:00 2001 From: Lizhi Xu Date: Mon, 2 Sep 2024 10:36:36 +0800 Subject: [PATCH 392/649] ocfs2: fix possible null-ptr-deref in ocfs2_set_buffer_uptodate commit 33b525cef4cff49e216e4133cc48452e11c0391e upstream. When doing cleanup, if flags without OCFS2_BH_READAHEAD, it may trigger NULL pointer dereference in the following ocfs2_set_buffer_uptodate() if bh is NULL. Link: https://lkml.kernel.org/r/20240902023636.1843422-3-joseph.qi@linux.alibaba.com Fixes: cf76c78595ca ("ocfs2: don't put and assigning null to bh allocated outside") Signed-off-by: Lizhi Xu Signed-off-by: Joseph Qi Reviewed-by: Joseph Qi Reported-by: Heming Zhao Suggested-by: Heming Zhao Cc: [4.20+] Cc: Changwei Ge Cc: Gang He Cc: Joel Becker Cc: Jun Piao Cc: Junxiao Bi Cc: Mark Fasheh Signed-off-by: Andrew Morton Signed-off-by: Greg Kroah-Hartman --- fs/ocfs2/buffer_head_io.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/fs/ocfs2/buffer_head_io.c b/fs/ocfs2/buffer_head_io.c index da24e8449f24..c8a6e3480be1 100644 --- a/fs/ocfs2/buffer_head_io.c +++ b/fs/ocfs2/buffer_head_io.c @@ -390,7 +390,8 @@ int ocfs2_read_blocks(struct ocfs2_caching_info *ci, u64 block, int nr, /* Always set the buffer in the cache, even if it was * a forced read, or read-ahead which hasn't yet * completed. */ - ocfs2_set_buffer_uptodate(ci, bh); + if (bh) + ocfs2_set_buffer_uptodate(ci, bh); } ocfs2_metadata_cache_io_unlock(ci); From e01e9ae43e64a2825ccdca7f57669b4fd248fb8e Mon Sep 17 00:00:00 2001 From: Jisheng Zhang Date: Sat, 6 Jul 2024 01:02:10 +0800 Subject: [PATCH 393/649] riscv: define ILLEGAL_POINTER_VALUE for 64bit commit 5c178472af247c7b50f962495bb7462ba453b9fb upstream. This is used in poison.h for poison pointer offset. Based on current SV39, SV48 and SV57 vm layout, 0xdead000000000000 is a proper value that is not mappable, this can avoid potentially turning an oops to an expolit. Signed-off-by: Jisheng Zhang Fixes: fbe934d69eb7 ("RISC-V: Build Infrastructure") Cc: stable@vger.kernel.org Link: https://lore.kernel.org/r/20240705170210.3236-1-jszhang@kernel.org Signed-off-by: Palmer Dabbelt Signed-off-by: Greg Kroah-Hartman --- arch/riscv/Kconfig | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/arch/riscv/Kconfig b/arch/riscv/Kconfig index 70271db83383..57753b477ea2 100644 --- a/arch/riscv/Kconfig +++ b/arch/riscv/Kconfig @@ -193,6 +193,11 @@ config GENERIC_HWEIGHT config FIX_EARLYCON_MEM def_bool MMU +config ILLEGAL_POINTER_VALUE + hex + default 0 if 32BIT + default 0xdead000000000000 if 64BIT + config PGTABLE_LEVELS int default 3 if 64BIT From f692160d3e1e5450605071b8df8f7d08d9b09a83 Mon Sep 17 00:00:00 2001 From: Yuezhang Mo Date: Tue, 3 Sep 2024 15:01:09 +0800 Subject: [PATCH 394/649] exfat: fix memory leak in exfat_load_bitmap() commit d2b537b3e533f28e0d97293fe9293161fe8cd137 upstream. If the first directory entry in the root directory is not a bitmap directory entry, 'bh' will not be released and reassigned, which will cause a memory leak. Fixes: 1e49a94cf707 ("exfat: add bitmap operations") Cc: stable@vger.kernel.org Signed-off-by: Yuezhang Mo Reviewed-by: Aoyama Wataru Signed-off-by: Namjae Jeon Signed-off-by: Greg Kroah-Hartman --- fs/exfat/balloc.c | 10 +++++----- 1 file changed, 5 insertions(+), 5 deletions(-) diff --git a/fs/exfat/balloc.c b/fs/exfat/balloc.c index ab091440e8b9..0501b8c04d8d 100644 --- a/fs/exfat/balloc.c +++ b/fs/exfat/balloc.c @@ -110,11 +110,8 @@ int exfat_load_bitmap(struct super_block *sb) return -EIO; type = exfat_get_entry_type(ep); - if (type == TYPE_UNUSED) - break; - if (type != TYPE_BITMAP) - continue; - if (ep->dentry.bitmap.flags == 0x0) { + if (type == TYPE_BITMAP && + ep->dentry.bitmap.flags == 0x0) { int err; err = exfat_allocate_bitmap(sb, ep); @@ -122,6 +119,9 @@ int exfat_load_bitmap(struct super_block *sb) return err; } brelse(bh); + + if (type == TYPE_UNUSED) + return -EINVAL; } if (exfat_get_next_cluster(sb, &clu.dir)) From 96cad5da791ef14bd5405f56e22c4aaff2b2d72a Mon Sep 17 00:00:00 2001 From: NeilBrown Date: Mon, 9 Sep 2024 15:06:36 +1000 Subject: [PATCH 395/649] nfsd: fix delegation_blocked() to block correctly for at least 30 seconds commit 45bb63ed20e02ae146336412889fe5450316a84f upstream. The pair of bloom filtered used by delegation_blocked() was intended to block delegations on given filehandles for between 30 and 60 seconds. A new filehandle would be recorded in the "new" bit set. That would then be switch to the "old" bit set between 0 and 30 seconds later, and it would remain as the "old" bit set for 30 seconds. Unfortunately the code intended to clear the old bit set once it reached 30 seconds old, preparing it to be the next new bit set, instead cleared the *new* bit set before switching it to be the old bit set. This means that the "old" bit set is always empty and delegations are blocked between 0 and 30 seconds. This patch updates bd->new before clearing the set with that index, instead of afterwards. Reported-by: Olga Kornievskaia Cc: stable@vger.kernel.org Fixes: 6282cd565553 ("NFSD: Don't hand out delegations for 30 seconds after recalling them.") Signed-off-by: NeilBrown Reviewed-by: Benjamin Coddington Reviewed-by: Jeff Layton Signed-off-by: Chuck Lever Signed-off-by: Greg Kroah-Hartman --- fs/nfsd/nfs4state.c | 5 +++-- 1 file changed, 3 insertions(+), 2 deletions(-) diff --git a/fs/nfsd/nfs4state.c b/fs/nfsd/nfs4state.c index 8e84ddccce4b..18d64a9312a7 100644 --- a/fs/nfsd/nfs4state.c +++ b/fs/nfsd/nfs4state.c @@ -1090,7 +1090,8 @@ static void nfs4_free_deleg(struct nfs4_stid *stid) * When a delegation is recalled, the filehandle is stored in the "new" * filter. * Every 30 seconds we swap the filters and clear the "new" one, - * unless both are empty of course. + * unless both are empty of course. This results in delegations for a + * given filehandle being blocked for between 30 and 60 seconds. * * Each filter is 256 bits. We hash the filehandle to 32bit and use the * low 3 bytes as hash-table indices. @@ -1119,9 +1120,9 @@ static int delegation_blocked(struct knfsd_fh *fh) if (ktime_get_seconds() - bd->swap_time > 30) { bd->entries -= bd->old_entries; bd->old_entries = bd->entries; + bd->new = 1-bd->new; memset(bd->set[bd->new], 0, sizeof(bd->set[0])); - bd->new = 1-bd->new; bd->swap_time = ktime_get_seconds(); } spin_unlock(&blocked_delegations_lock); From 0ea4333c679f333e23956de743ad17387819d3f2 Mon Sep 17 00:00:00 2001 From: Li Lingfeng Date: Sat, 17 Aug 2024 14:27:13 +0800 Subject: [PATCH 396/649] nfsd: map the EBADMSG to nfserr_io to avoid warning commit 340e61e44c1d2a15c42ec72ade9195ad525fd048 upstream. Ext4 will throw -EBADMSG through ext4_readdir when a checksum error occurs, resulting in the following WARNING. Fix it by mapping EBADMSG to nfserr_io. nfsd_buffered_readdir iterate_dir // -EBADMSG -74 ext4_readdir // .iterate_shared ext4_dx_readdir ext4_htree_fill_tree htree_dirblock_to_tree ext4_read_dirblock __ext4_read_dirblock ext4_dirblock_csum_verify warn_no_space_for_csum __warn_no_space_for_csum return ERR_PTR(-EFSBADCRC) // -EBADMSG -74 nfserrno // WARNING [ 161.115610] ------------[ cut here ]------------ [ 161.116465] nfsd: non-standard errno: -74 [ 161.117315] WARNING: CPU: 1 PID: 780 at fs/nfsd/nfsproc.c:878 nfserrno+0x9d/0xd0 [ 161.118596] Modules linked in: [ 161.119243] CPU: 1 PID: 780 Comm: nfsd Not tainted 5.10.0-00014-g79679361fd5d #138 [ 161.120684] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.14.0-0-g155821a1990b-prebuilt.qe mu.org 04/01/2014 [ 161.123601] RIP: 0010:nfserrno+0x9d/0xd0 [ 161.124676] Code: 0f 87 da 30 dd 00 83 e3 01 b8 00 00 00 05 75 d7 44 89 ee 48 c7 c7 c0 57 24 98 89 44 24 04 c6 05 ce 2b 61 03 01 e8 99 20 d8 00 <0f> 0b 8b 44 24 04 eb b5 4c 89 e6 48 c7 c7 a0 6d a4 99 e8 cc 15 33 [ 161.127797] RSP: 0018:ffffc90000e2f9c0 EFLAGS: 00010286 [ 161.128794] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000 [ 161.130089] RDX: 1ffff1103ee16f6d RSI: 0000000000000008 RDI: fffff520001c5f2a [ 161.131379] RBP: 0000000000000022 R08: 0000000000000001 R09: ffff8881f70c1827 [ 161.132664] R10: ffffed103ee18304 R11: 0000000000000001 R12: 0000000000000021 [ 161.133949] R13: 00000000ffffffb6 R14: ffff8881317c0000 R15: ffffc90000e2fbd8 [ 161.135244] FS: 0000000000000000(0000) GS:ffff8881f7080000(0000) knlGS:0000000000000000 [ 161.136695] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 161.137761] CR2: 00007fcaad70b348 CR3: 0000000144256006 CR4: 0000000000770ee0 [ 161.139041] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 161.140291] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 161.141519] PKRU: 55555554 [ 161.142076] Call Trace: [ 161.142575] ? __warn+0x9b/0x140 [ 161.143229] ? nfserrno+0x9d/0xd0 [ 161.143872] ? report_bug+0x125/0x150 [ 161.144595] ? handle_bug+0x41/0x90 [ 161.145284] ? exc_invalid_op+0x14/0x70 [ 161.146009] ? asm_exc_invalid_op+0x12/0x20 [ 161.146816] ? nfserrno+0x9d/0xd0 [ 161.147487] nfsd_buffered_readdir+0x28b/0x2b0 [ 161.148333] ? nfsd4_encode_dirent_fattr+0x380/0x380 [ 161.149258] ? nfsd_buffered_filldir+0xf0/0xf0 [ 161.150093] ? wait_for_concurrent_writes+0x170/0x170 [ 161.151004] ? generic_file_llseek_size+0x48/0x160 [ 161.151895] nfsd_readdir+0x132/0x190 [ 161.152606] ? nfsd4_encode_dirent_fattr+0x380/0x380 [ 161.153516] ? nfsd_unlink+0x380/0x380 [ 161.154256] ? override_creds+0x45/0x60 [ 161.155006] nfsd4_encode_readdir+0x21a/0x3d0 [ 161.155850] ? nfsd4_encode_readlink+0x210/0x210 [ 161.156731] ? write_bytes_to_xdr_buf+0x97/0xe0 [ 161.157598] ? __write_bytes_to_xdr_buf+0xd0/0xd0 [ 161.158494] ? lock_downgrade+0x90/0x90 [ 161.159232] ? nfs4svc_decode_voidarg+0x10/0x10 [ 161.160092] nfsd4_encode_operation+0x15a/0x440 [ 161.160959] nfsd4_proc_compound+0x718/0xe90 [ 161.161818] nfsd_dispatch+0x18e/0x2c0 [ 161.162586] svc_process_common+0x786/0xc50 [ 161.163403] ? nfsd_svc+0x380/0x380 [ 161.164137] ? svc_printk+0x160/0x160 [ 161.164846] ? svc_xprt_do_enqueue.part.0+0x365/0x380 [ 161.165808] ? nfsd_svc+0x380/0x380 [ 161.166523] ? rcu_is_watching+0x23/0x40 [ 161.167309] svc_process+0x1a5/0x200 [ 161.168019] nfsd+0x1f5/0x380 [ 161.168663] ? nfsd_shutdown_threads+0x260/0x260 [ 161.169554] kthread+0x1c4/0x210 [ 161.170224] ? kthread_insert_work_sanity_check+0x80/0x80 [ 161.171246] ret_from_fork+0x1f/0x30 Signed-off-by: Li Lingfeng Reviewed-by: Jeff Layton Cc: stable@vger.kernel.org Signed-off-by: Chuck Lever Signed-off-by: Greg Kroah-Hartman --- fs/nfsd/vfs.c | 1 + 1 file changed, 1 insertion(+) diff --git a/fs/nfsd/vfs.c b/fs/nfsd/vfs.c index dab44f187d01..54be4cd9794a 100644 --- a/fs/nfsd/vfs.c +++ b/fs/nfsd/vfs.c @@ -100,6 +100,7 @@ nfserrno (int errno) { nfserr_io, -EUCLEAN }, { nfserr_perm, -ENOKEY }, { nfserr_no_grace, -ENOGRACE}, + { nfserr_io, -EBADMSG }, }; int i; From 7ae7ada29a6fd75c3e90e9b5e9c7664a089f1b5f Mon Sep 17 00:00:00 2001 From: Chuck Lever Date: Sun, 11 Aug 2024 13:11:07 -0400 Subject: [PATCH 397/649] NFSD: Fix NFSv4's PUTPUBFH operation commit 202f39039a11402dcbcd5fece8d9fa6be83f49ae upstream. According to RFC 8881, all minor versions of NFSv4 support PUTPUBFH. Replace the XDR decoder for PUTPUBFH with a "noop" since we no longer want the minorversion check, and PUTPUBFH has no arguments to decode. (Ideally nfsd4_decode_noop should really be called nfsd4_decode_void). PUTPUBFH should now behave just like PUTROOTFH. Reported-by: Cedric Blancher Fixes: e1a90ebd8b23 ("NFSD: Combine decode operations for v4 and v4.1") Cc: Dan Shelton Cc: Roland Mainz Cc: stable@vger.kernel.org Signed-off-by: Chuck Lever Signed-off-by: Greg Kroah-Hartman --- fs/nfsd/nfs4xdr.c | 10 +--------- 1 file changed, 1 insertion(+), 9 deletions(-) diff --git a/fs/nfsd/nfs4xdr.c b/fs/nfsd/nfs4xdr.c index 5a68c6286492..d1625a6ff3ce 100644 --- a/fs/nfsd/nfs4xdr.c +++ b/fs/nfsd/nfs4xdr.c @@ -1245,14 +1245,6 @@ nfsd4_decode_putfh(struct nfsd4_compoundargs *argp, union nfsd4_op_u *u) return nfs_ok; } -static __be32 -nfsd4_decode_putpubfh(struct nfsd4_compoundargs *argp, union nfsd4_op_u *p) -{ - if (argp->minorversion == 0) - return nfs_ok; - return nfserr_notsupp; -} - static __be32 nfsd4_decode_read(struct nfsd4_compoundargs *argp, union nfsd4_op_u *u) { @@ -2345,7 +2337,7 @@ static const nfsd4_dec nfsd4_dec_ops[] = { [OP_OPEN_CONFIRM] = nfsd4_decode_open_confirm, [OP_OPEN_DOWNGRADE] = nfsd4_decode_open_downgrade, [OP_PUTFH] = nfsd4_decode_putfh, - [OP_PUTPUBFH] = nfsd4_decode_putpubfh, + [OP_PUTPUBFH] = nfsd4_decode_noop, [OP_PUTROOTFH] = nfsd4_decode_noop, [OP_READ] = nfsd4_decode_read, [OP_READDIR] = nfsd4_decode_readdir, From f63461af2c1a86af4217910e47a5c46e3372e645 Mon Sep 17 00:00:00 2001 From: Chun-Yi Lee Date: Wed, 2 Oct 2024 11:54:58 +0800 Subject: [PATCH 398/649] aoe: fix the potential use-after-free problem in more places commit 6d6e54fc71ad1ab0a87047fd9c211e75d86084a3 upstream. For fixing CVE-2023-6270, f98364e92662 ("aoe: fix the potential use-after-free problem in aoecmd_cfg_pkts") makes tx() calling dev_put() instead of doing in aoecmd_cfg_pkts(). It avoids that the tx() runs into use-after-free. Then Nicolai Stange found more places in aoe have potential use-after-free problem with tx(). e.g. revalidate(), aoecmd_ata_rw(), resend(), probe() and aoecmd_cfg_rsp(). Those functions also use aoenet_xmit() to push packet to tx queue. So they should also use dev_hold() to increase the refcnt of skb->dev. On the other hand, moving dev_put() to tx() causes that the refcnt of skb->dev be reduced to a negative value, because corresponding dev_hold() are not called in revalidate(), aoecmd_ata_rw(), resend(), probe(), and aoecmd_cfg_rsp(). This patch fixed this issue. Cc: stable@vger.kernel.org Link: https://nvd.nist.gov/vuln/detail/CVE-2023-6270 Fixes: f98364e92662 ("aoe: fix the potential use-after-free problem in aoecmd_cfg_pkts") Reported-by: Nicolai Stange Signed-off-by: Chun-Yi Lee Link: https://lore.kernel.org/stable/20240624064418.27043-1-jlee%40suse.com Link: https://lore.kernel.org/r/20241002035458.24401-1-jlee@suse.com Signed-off-by: Jens Axboe Signed-off-by: Greg Kroah-Hartman --- drivers/block/aoe/aoecmd.c | 13 ++++++++++++- 1 file changed, 12 insertions(+), 1 deletion(-) diff --git a/drivers/block/aoe/aoecmd.c b/drivers/block/aoe/aoecmd.c index c805909c8e77..833ccf2cd5df 100644 --- a/drivers/block/aoe/aoecmd.c +++ b/drivers/block/aoe/aoecmd.c @@ -362,6 +362,7 @@ ata_rw_frameinit(struct frame *f) } ah->cmdstat = ATA_CMD_PIO_READ | writebit | extbit; + dev_hold(t->ifp->nd); skb->dev = t->ifp->nd; } @@ -402,6 +403,8 @@ aoecmd_ata_rw(struct aoedev *d) __skb_queue_head_init(&queue); __skb_queue_tail(&queue, skb); aoenet_xmit(&queue); + } else { + dev_put(f->t->ifp->nd); } return 1; } @@ -484,10 +487,13 @@ resend(struct aoedev *d, struct frame *f) memcpy(h->dst, t->addr, sizeof h->dst); memcpy(h->src, t->ifp->nd->dev_addr, sizeof h->src); + dev_hold(t->ifp->nd); skb->dev = t->ifp->nd; skb = skb_clone(skb, GFP_ATOMIC); - if (skb == NULL) + if (skb == NULL) { + dev_put(t->ifp->nd); return; + } f->sent = ktime_get(); __skb_queue_head_init(&queue); __skb_queue_tail(&queue, skb); @@ -618,6 +624,8 @@ probe(struct aoetgt *t) __skb_queue_head_init(&queue); __skb_queue_tail(&queue, skb); aoenet_xmit(&queue); + } else { + dev_put(f->t->ifp->nd); } } @@ -1403,6 +1411,7 @@ aoecmd_ata_id(struct aoedev *d) ah->cmdstat = ATA_CMD_ID_ATA; ah->lba3 = 0xa0; + dev_hold(t->ifp->nd); skb->dev = t->ifp->nd; d->rttavg = RTTAVG_INIT; @@ -1412,6 +1421,8 @@ aoecmd_ata_id(struct aoedev *d) skb = skb_clone(skb, GFP_ATOMIC); if (skb) f->sent = ktime_get(); + else + dev_put(t->ifp->nd); return skb; } From ed0d5103f9ef0885c73ca65acce91f80fe720d32 Mon Sep 17 00:00:00 2001 From: Sebastian Reichel Date: Mon, 25 Mar 2024 20:33:36 +0100 Subject: [PATCH 399/649] clk: rockchip: fix error for unknown clocks commit 12fd64babaca4dc09d072f63eda76ba44119816a upstream. There is a clk == NULL check after the switch to check for unsupported clk types. Since clk is re-assigned in a loop, this check is useless right now for anything but the first round. Let's fix this up by assigning clk = NULL in the loop before the switch statement. Fixes: a245fecbb806 ("clk: rockchip: add basic infrastructure for clock branches") Cc: stable@vger.kernel.org Signed-off-by: Sebastian Reichel [added fixes + stable-cc] Link: https://lore.kernel.org/r/20240325193609.237182-6-sebastian.reichel@collabora.com Signed-off-by: Heiko Stuebner Signed-off-by: Greg Kroah-Hartman --- drivers/clk/rockchip/clk.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/drivers/clk/rockchip/clk.c b/drivers/clk/rockchip/clk.c index b443169dd408..09683c97e6cc 100644 --- a/drivers/clk/rockchip/clk.c +++ b/drivers/clk/rockchip/clk.c @@ -442,12 +442,13 @@ void rockchip_clk_register_branches(struct rockchip_clk_provider *ctx, struct rockchip_clk_branch *list, unsigned int nr_clk) { - struct clk *clk = NULL; + struct clk *clk; unsigned int idx; unsigned long flags; for (idx = 0; idx < nr_clk; idx++, list++) { flags = list->flags; + clk = NULL; /* catch simple muxes */ switch (list->branch_type) { From 5443e70fb7fcf0892b9740370a282ff24d4d9e20 Mon Sep 17 00:00:00 2001 From: Laurent Pinchart Date: Wed, 19 Jun 2024 02:46:16 +0300 Subject: [PATCH 400/649] media: sun4i_csi: Implement link validate for sun4i_csi subdev commit 2dc5d5d401f5c6cecd97800ffef82e8d17d228f0 upstream. The sun4i_csi driver doesn't implement link validation for the subdev it registers, leaving the link between the subdev and its source unvalidated. Fix it, using the v4l2_subdev_link_validate() helper. Fixes: 577bbf23b758 ("media: sunxi: Add A10 CSI driver") Cc: stable@vger.kernel.org Signed-off-by: Laurent Pinchart Acked-by: Chen-Yu Tsai Reviewed-by: Tomi Valkeinen Acked-by: Sakari Ailus Signed-off-by: Greg Kroah-Hartman --- drivers/media/platform/sunxi/sun4i-csi/sun4i_csi.c | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/drivers/media/platform/sunxi/sun4i-csi/sun4i_csi.c b/drivers/media/platform/sunxi/sun4i-csi/sun4i_csi.c index 64f25921463e..1efaa1d0948b 100644 --- a/drivers/media/platform/sunxi/sun4i-csi/sun4i_csi.c +++ b/drivers/media/platform/sunxi/sun4i-csi/sun4i_csi.c @@ -40,6 +40,10 @@ static const struct media_entity_operations sun4i_csi_video_entity_ops = { .link_validate = v4l2_subdev_link_validate, }; +static const struct media_entity_operations sun4i_csi_subdev_entity_ops = { + .link_validate = v4l2_subdev_link_validate, +}; + static int sun4i_csi_notify_bound(struct v4l2_async_notifier *notifier, struct v4l2_subdev *subdev, struct v4l2_async_subdev *asd) @@ -245,6 +249,7 @@ static int sun4i_csi_probe(struct platform_device *pdev) v4l2_subdev_init(subdev, &sun4i_csi_subdev_ops); subdev->flags = V4L2_SUBDEV_FL_HAS_DEVNODE | V4L2_SUBDEV_FL_HAS_EVENTS; subdev->entity.function = MEDIA_ENT_F_VID_IF_BRIDGE; + subdev->entity.ops = &sun4i_csi_subdev_entity_ops; subdev->owner = THIS_MODULE; snprintf(subdev->name, sizeof(subdev->name), "sun4i-csi-0"); v4l2_set_subdevdata(subdev, csi); From 3f73da56af91a221a8338d28cdb534c5956d1563 Mon Sep 17 00:00:00 2001 From: Hans Verkuil Date: Wed, 7 Aug 2024 09:22:10 +0200 Subject: [PATCH 401/649] media: uapi/linux/cec.h: cec_msg_set_reply_to: zero flags commit 599f6899051cb70c4e0aa9fd591b9ee220cb6f14 upstream. The cec_msg_set_reply_to() helper function never zeroed the struct cec_msg flags field, this can cause unexpected behavior if flags was uninitialized to begin with. Signed-off-by: Hans Verkuil Fixes: 0dbacebede1e ("[media] cec: move the CEC framework out of staging and to media") Cc: Signed-off-by: Mauro Carvalho Chehab Signed-off-by: Greg Kroah-Hartman --- include/uapi/linux/cec.h | 6 +++++- 1 file changed, 5 insertions(+), 1 deletion(-) diff --git a/include/uapi/linux/cec.h b/include/uapi/linux/cec.h index dc8879d179fd..570527734743 100644 --- a/include/uapi/linux/cec.h +++ b/include/uapi/linux/cec.h @@ -132,6 +132,8 @@ static inline void cec_msg_init(struct cec_msg *msg, * Set the msg destination to the orig initiator and the msg initiator to the * orig destination. Note that msg and orig may be the same pointer, in which * case the change is done in place. + * + * It also zeroes the reply, timeout and flags fields. */ static inline void cec_msg_set_reply_to(struct cec_msg *msg, struct cec_msg *orig) @@ -139,7 +141,9 @@ static inline void cec_msg_set_reply_to(struct cec_msg *msg, /* The destination becomes the initiator and vice versa */ msg->msg[0] = (cec_msg_destination(orig) << 4) | cec_msg_initiator(orig); - msg->reply = msg->timeout = 0; + msg->reply = 0; + msg->timeout = 0; + msg->flags = 0; } /* cec_msg flags field */ From 4445bc6e9f2bc9081dd4e1141da9893e6b562ef9 Mon Sep 17 00:00:00 2001 From: Mike Tipton Date: Fri, 9 Aug 2024 10:51:29 +0530 Subject: [PATCH 402/649] clk: qcom: clk-rpmh: Fix overflow in BCM vote commit a4e5af27e6f6a8b0d14bc0d7eb04f4a6c7291586 upstream. Valid frequencies may result in BCM votes that exceed the max HW value. Set vote ceiling to BCM_TCS_CMD_VOTE_MASK to ensure the votes aren't truncated, which can result in lower frequencies than desired. Fixes: 04053f4d23a4 ("clk: qcom: clk-rpmh: Add IPA clock support") Cc: stable@vger.kernel.org Signed-off-by: Mike Tipton Reviewed-by: Taniya Das Signed-off-by: Imran Shaik Link: https://lore.kernel.org/r/20240809-clk-rpmh-bcm-vote-fix-v2-1-240c584b7ef9@quicinc.com Signed-off-by: Bjorn Andersson Signed-off-by: Greg Kroah-Hartman --- drivers/clk/qcom/clk-rpmh.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/drivers/clk/qcom/clk-rpmh.c b/drivers/clk/qcom/clk-rpmh.c index e2c669b08aff..6c7cce8e82f7 100644 --- a/drivers/clk/qcom/clk-rpmh.c +++ b/drivers/clk/qcom/clk-rpmh.c @@ -270,6 +270,8 @@ static int clk_rpmh_bcm_send_cmd(struct clk_rpmh *c, bool enable) cmd_state = 0; } + cmd_state = min(cmd_state, BCM_TCS_CMD_VOTE_MASK); + if (c->last_sent_aggr_state != cmd_state) { cmd.addr = c->res_addr; cmd.data = BCM_TCS_CMD(1, enable, 0, cmd_state); From 60b6968341a6dd5353554f3e72db554693a128a5 Mon Sep 17 00:00:00 2001 From: Zheng Wang Date: Tue, 18 Jun 2024 14:55:59 +0530 Subject: [PATCH 403/649] media: venus: fix use after free bug in venus_remove due to race condition commit c5a85ed88e043474161bbfe54002c89c1cb50ee2 upstream. in venus_probe, core->work is bound with venus_sys_error_handler, which is used to handle error. The code use core->sys_err_done to make sync work. The core->work is started in venus_event_notify. If we call venus_remove, there might be an unfished work. The possible sequence is as follows: CPU0 CPU1 |venus_sys_error_handler venus_remove | hfi_destroy | venus_hfi_destroy | kfree(hdev); | |hfi_reinit |venus_hfi_queues_reinit |//use hdev Fix it by canceling the work in venus_remove. Cc: stable@vger.kernel.org Fixes: af2c3834c8ca ("[media] media: venus: adding core part and helper functions") Signed-off-by: Zheng Wang Signed-off-by: Dikshita Agarwal Signed-off-by: Stanimir Varbanov Signed-off-by: Hans Verkuil Signed-off-by: Greg Kroah-Hartman --- drivers/media/platform/qcom/venus/core.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/media/platform/qcom/venus/core.c b/drivers/media/platform/qcom/venus/core.c index 5f7ac2807e5f..c757cab6b335 100644 --- a/drivers/media/platform/qcom/venus/core.c +++ b/drivers/media/platform/qcom/venus/core.c @@ -366,6 +366,7 @@ static int venus_remove(struct platform_device *pdev) struct device *dev = core->dev; int ret; + cancel_delayed_work_sync(&core->work); ret = pm_runtime_get_sync(dev); WARN_ON(ret < 0); From 1d108095d5e51042d80c19132fc7478abb1cdb74 Mon Sep 17 00:00:00 2001 From: Manivannan Sadhasivam Date: Fri, 19 Jul 2024 19:12:38 +0530 Subject: [PATCH 404/649] clk: qcom: gcc-sm8250: Do not turn off PCIe GDSCs during gdsc_disable() commit ade508b545c969c72cd68479f275a5dd640fd8b9 upstream. With PWRSTS_OFF_ON, PCIe GDSCs are turned off during gdsc_disable(). This can happen during scenarios such as system suspend and breaks the resume of PCIe controllers from suspend. So use PWRSTS_RET_ON to indicate the GDSC driver to not turn off the GDSCs during gdsc_disable() and allow the hardware to transition the GDSCs to retention when the parent domain enters low power state during system suspend. Cc: stable@vger.kernel.org # 5.7 Fixes: 3e5770921a88 ("clk: qcom: gcc: Add global clock controller driver for SM8250") Signed-off-by: Manivannan Sadhasivam Link: https://lore.kernel.org/r/20240719134238.312191-1-manivannan.sadhasivam@linaro.org Signed-off-by: Bjorn Andersson Signed-off-by: Greg Kroah-Hartman --- drivers/clk/qcom/gcc-sm8250.c | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) diff --git a/drivers/clk/qcom/gcc-sm8250.c b/drivers/clk/qcom/gcc-sm8250.c index 70723e4dab00..4b36f83fb31b 100644 --- a/drivers/clk/qcom/gcc-sm8250.c +++ b/drivers/clk/qcom/gcc-sm8250.c @@ -3229,7 +3229,7 @@ static struct gdsc pcie_0_gdsc = { .pd = { .name = "pcie_0_gdsc", }, - .pwrsts = PWRSTS_OFF_ON, + .pwrsts = PWRSTS_RET_ON, }; static struct gdsc pcie_1_gdsc = { @@ -3237,7 +3237,7 @@ static struct gdsc pcie_1_gdsc = { .pd = { .name = "pcie_1_gdsc", }, - .pwrsts = PWRSTS_OFF_ON, + .pwrsts = PWRSTS_RET_ON, }; static struct gdsc pcie_2_gdsc = { @@ -3245,7 +3245,7 @@ static struct gdsc pcie_2_gdsc = { .pd = { .name = "pcie_2_gdsc", }, - .pwrsts = PWRSTS_OFF_ON, + .pwrsts = PWRSTS_RET_ON, }; static struct gdsc ufs_card_gdsc = { From 68c77a70e33c22aac67e7d27f130f8e88c6d5a32 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Barnab=C3=A1s=20Cz=C3=A9m=C3=A1n?= Date: Mon, 19 Aug 2024 00:29:40 +0200 Subject: [PATCH 405/649] iio: magnetometer: ak8975: Fix reading for ak099xx sensors MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit commit 129464e86c7445a858b790ac2d28d35f58256bbe upstream. Move ST2 reading with overflow handling after measurement data reading. ST2 register read have to be read after read measurment data, because it means end of the reading and realease the lock on the data. Remove ST2 read skip on interrupt based waiting because ST2 required to be read out at and of the axis read. Fixes: 57e73a423b1e ("iio: ak8975: add ak09911 and ak09912 support") Signed-off-by: Barnabás Czémán Link: https://patch.msgid.link/20240819-ak09918-v4-2-f0734d14cfb9@mainlining.org Cc: Signed-off-by: Jonathan Cameron Signed-off-by: Greg Kroah-Hartman --- drivers/iio/magnetometer/ak8975.c | 32 +++++++++++++++---------------- 1 file changed, 16 insertions(+), 16 deletions(-) diff --git a/drivers/iio/magnetometer/ak8975.c b/drivers/iio/magnetometer/ak8975.c index 3774e5975f77..fd3a6cd16bcf 100644 --- a/drivers/iio/magnetometer/ak8975.c +++ b/drivers/iio/magnetometer/ak8975.c @@ -661,22 +661,8 @@ static int ak8975_start_read_axis(struct ak8975_data *data, if (ret < 0) return ret; - /* This will be executed only for non-interrupt based waiting case */ - if (ret & data->def->ctrl_masks[ST1_DRDY]) { - ret = i2c_smbus_read_byte_data(client, - data->def->ctrl_regs[ST2]); - if (ret < 0) { - dev_err(&client->dev, "Error in reading ST2\n"); - return ret; - } - if (ret & (data->def->ctrl_masks[ST2_DERR] | - data->def->ctrl_masks[ST2_HOFL])) { - dev_err(&client->dev, "ST2 status error 0x%x\n", ret); - return -EINVAL; - } - } - - return 0; + /* Return with zero if the data is ready. */ + return !data->def->ctrl_regs[ST1_DRDY]; } /* Retrieve raw flux value for one of the x, y, or z axis. */ @@ -703,6 +689,20 @@ static int ak8975_read_axis(struct iio_dev *indio_dev, int index, int *val) if (ret < 0) goto exit; + /* Read out ST2 for release lock on measurment data. */ + ret = i2c_smbus_read_byte_data(client, data->def->ctrl_regs[ST2]); + if (ret < 0) { + dev_err(&client->dev, "Error in reading ST2\n"); + goto exit; + } + + if (ret & (data->def->ctrl_masks[ST2_DERR] | + data->def->ctrl_masks[ST2_HOFL])) { + dev_err(&client->dev, "ST2 status error 0x%x\n", ret); + ret = -EINVAL; + goto exit; + } + mutex_unlock(&data->lock); pm_runtime_mark_last_busy(&data->client->dev); From 68e579316cbfcdd68334dbbe67abd9828ae3bfb4 Mon Sep 17 00:00:00 2001 From: Tetsuo Handa Date: Wed, 25 Sep 2024 22:30:59 +0900 Subject: [PATCH 406/649] tomoyo: fallback to realpath if symlink's pathname does not exist commit ada1986d07976d60bed5017aa38b7f7cf27883f7 upstream. Alfred Agrell found that TOMOYO cannot handle execveat(AT_EMPTY_PATH) inside chroot environment where /dev and /proc are not mounted, for commit 51f39a1f0cea ("syscalls: implement execveat() system call") missed that TOMOYO tries to canonicalize argv[0] when the filename fed to the executed program as argv[0] is supplied using potentially nonexistent pathname. Since "/dev/fd/" already lost symlink information used for obtaining that , it is too late to reconstruct symlink's pathname. Although part of "/dev/fd//" might not be canonicalized, TOMOYO cannot use tomoyo_realpath_nofollow() when /dev or /proc is not mounted. Therefore, fallback to tomoyo_realpath_from_path() when tomoyo_realpath_nofollow() failed. Reported-by: Alfred Agrell Closes: https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=1082001 Fixes: 51f39a1f0cea ("syscalls: implement execveat() system call") Cc: stable@vger.kernel.org # v3.19+ Signed-off-by: Tetsuo Handa Signed-off-by: Greg Kroah-Hartman --- security/tomoyo/domain.c | 9 ++++++--- 1 file changed, 6 insertions(+), 3 deletions(-) diff --git a/security/tomoyo/domain.c b/security/tomoyo/domain.c index dc4ecc0b2038..2e00a2d6f343 100644 --- a/security/tomoyo/domain.c +++ b/security/tomoyo/domain.c @@ -725,10 +725,13 @@ int tomoyo_find_next_domain(struct linux_binprm *bprm) ee->r.obj = &ee->obj; ee->obj.path1 = bprm->file->f_path; /* Get symlink's pathname of program. */ - retval = -ENOENT; exename.name = tomoyo_realpath_nofollow(original_name); - if (!exename.name) - goto out; + if (!exename.name) { + /* Fallback to realpath if symlink's pathname does not exist. */ + exename.name = tomoyo_realpath_from_path(&bprm->file->f_path); + if (!exename.name) + goto out; + } tomoyo_fill_path_info(&exename); retry: /* Check 'aggregator' directive. */ From e33fe25b1efe4f2e6a5858786dbc82ae4c44ed4c Mon Sep 17 00:00:00 2001 From: KhaiWenTan Date: Wed, 18 Sep 2024 14:14:22 +0800 Subject: [PATCH 407/649] net: stmmac: Fix zero-division error when disabling tc cbs commit 675faf5a14c14a2be0b870db30a70764df81e2df upstream. The commit b8c43360f6e4 ("net: stmmac: No need to calculate speed divider when offload is disabled") allows the "port_transmit_rate_kbps" to be set to a value of 0, which is then passed to the "div_s64" function when tc-cbs is disabled. This leads to a zero-division error. When tc-cbs is disabled, the idleslope, sendslope, and credit values the credit values are not required to be configured. Therefore, adding a return statement after setting the txQ mode to DCB when tc-cbs is disabled would prevent a zero-division error. Fixes: b8c43360f6e4 ("net: stmmac: No need to calculate speed divider when offload is disabled") Cc: Co-developed-by: Choong Yong Liang Signed-off-by: Choong Yong Liang Signed-off-by: KhaiWenTan Reviewed-by: Simon Horman Link: https://patch.msgid.link/20240918061422.1589662-1-khai.wen.tan@linux.intel.com Signed-off-by: Paolo Abeni Signed-off-by: Greg Kroah-Hartman --- drivers/net/ethernet/stmicro/stmmac/stmmac_tc.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/net/ethernet/stmicro/stmmac/stmmac_tc.c b/drivers/net/ethernet/stmicro/stmmac/stmmac_tc.c index 4da1a80de722..3539c1542eb8 100644 --- a/drivers/net/ethernet/stmicro/stmmac/stmmac_tc.c +++ b/drivers/net/ethernet/stmicro/stmmac/stmmac_tc.c @@ -363,6 +363,7 @@ static int tc_setup_cbs(struct stmmac_priv *priv, return ret; priv->plat->tx_queues_cfg[queue].mode_to_use = MTL_QUEUE_DCB; + return 0; } /* Final adjustments for HW */ From bf8363e46fba2e1e6e9b00814801779e7b94b470 Mon Sep 17 00:00:00 2001 From: Krzysztof Kozlowski Date: Sun, 25 Aug 2024 20:31:03 +0200 Subject: [PATCH 408/649] rtc: at91sam9: fix OF node leak in probe() error path commit 73580e2ee6adfb40276bd420da3bb1abae204e10 upstream. Driver is leaking an OF node reference obtained from of_parse_phandle_with_fixed_args(). Fixes: 43e112bb3dea ("rtc: at91sam9: make use of syscon/regmap to access GPBR registers") Cc: stable@vger.kernel.org Signed-off-by: Krzysztof Kozlowski Link: https://lore.kernel.org/r/20240825183103.102904-1-krzysztof.kozlowski@linaro.org Signed-off-by: Alexandre Belloni Signed-off-by: Greg Kroah-Hartman --- drivers/rtc/rtc-at91sam9.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/rtc/rtc-at91sam9.c b/drivers/rtc/rtc-at91sam9.c index e39e89867d29..881d750d0900 100644 --- a/drivers/rtc/rtc-at91sam9.c +++ b/drivers/rtc/rtc-at91sam9.c @@ -368,6 +368,7 @@ static int at91_rtc_probe(struct platform_device *pdev) return ret; rtc->gpbr = syscon_node_to_regmap(args.np); + of_node_put(args.np); rtc->gpbr_offset = args.args[0]; if (IS_ERR(rtc->gpbr)) { dev_err(&pdev->dev, "failed to retrieve gpbr regmap, aborting.\n"); From f976d964a64c90d709894e6c54c9c5e46c53d284 Mon Sep 17 00:00:00 2001 From: Nuno Sa Date: Tue, 1 Oct 2024 07:47:23 -0700 Subject: [PATCH 409/649] Input: adp5589-keys - fix adp5589_gpio_get_value() commit c684771630e64bc39bddffeb65dd8a6612a6b249 upstream. The adp5589 seems to have the same behavior as similar devices as explained in commit 910a9f5636f5 ("Input: adp5588-keys - get value from data out when dir is out"). Basically, when the gpio is set as output we need to get the value from ADP5589_GPO_DATA_OUT_A register instead of ADP5589_GPI_STATUS_A. Fixes: 9d2e173644bb ("Input: ADP5589 - new driver for I2C Keypad Decoder and I/O Expander") Signed-off-by: Nuno Sa Link: https://lore.kernel.org/r/20241001-b4-dev-adp5589-fw-conversion-v1-2-fca0149dfc47@analog.com Cc: stable@vger.kernel.org Signed-off-by: Dmitry Torokhov Signed-off-by: Greg Kroah-Hartman --- drivers/input/keyboard/adp5589-keys.c | 13 ++++++++++--- 1 file changed, 10 insertions(+), 3 deletions(-) diff --git a/drivers/input/keyboard/adp5589-keys.c b/drivers/input/keyboard/adp5589-keys.c index eb0e9cd66bcb..15a00aad7c7f 100644 --- a/drivers/input/keyboard/adp5589-keys.c +++ b/drivers/input/keyboard/adp5589-keys.c @@ -390,10 +390,17 @@ static int adp5589_gpio_get_value(struct gpio_chip *chip, unsigned off) struct adp5589_kpad *kpad = gpiochip_get_data(chip); unsigned int bank = kpad->var->bank(kpad->gpiomap[off]); unsigned int bit = kpad->var->bit(kpad->gpiomap[off]); + int val; - return !!(adp5589_read(kpad->client, - kpad->var->reg(ADP5589_GPI_STATUS_A) + bank) & - bit); + mutex_lock(&kpad->gpio_lock); + if (kpad->dir[bank] & bit) + val = kpad->dat_out[bank]; + else + val = adp5589_read(kpad->client, + kpad->var->reg(ADP5589_GPI_STATUS_A) + bank); + mutex_unlock(&kpad->gpio_lock); + + return !!(val & bit); } static void adp5589_gpio_set_value(struct gpio_chip *chip, From 1a819c7f857e9acf5b0d830580de7fa2e49f9646 Mon Sep 17 00:00:00 2001 From: Hans de Goede Date: Fri, 27 Sep 2024 16:16:05 +0200 Subject: [PATCH 410/649] ACPI: resource: Add Asus Vivobook X1704VAP to irq1_level_low_skip_override[] commit 2f80ce0b78c340e332f04a5801dee5e4ac8cfaeb upstream. Like other Asus Vivobook models the X1704VAP has its keybopard IRQ (1) described as ActiveLow in the DSDT, which the kernel overrides to EdgeHigh which breaks the keyboard. Add the X1704VAP to the irq1_level_low_skip_override[] quirk table to fix this. Reported-by: Lamome Julien Closes: https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=1078696 Closes: https://lore.kernel.org/all/1226760b-4699-4529-bf57-6423938157a3@wanadoo.fr/ Cc: All applicable Signed-off-by: Hans de Goede Link: https://patch.msgid.link/20240927141606.66826-3-hdegoede@redhat.com Signed-off-by: Rafael J. Wysocki Signed-off-by: Greg Kroah-Hartman --- drivers/acpi/resource.c | 7 +++++++ 1 file changed, 7 insertions(+) diff --git a/drivers/acpi/resource.c b/drivers/acpi/resource.c index 370f91a51470..a8d2d39edc42 100644 --- a/drivers/acpi/resource.c +++ b/drivers/acpi/resource.c @@ -442,6 +442,13 @@ static const struct dmi_system_id asus_laptop[] = { DMI_MATCH(DMI_BOARD_NAME, "B2402CBA"), }, }, + { + /* Asus Vivobook X1704VAP */ + .matches = { + DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."), + DMI_MATCH(DMI_BOARD_NAME, "X1704VAP"), + }, + }, { /* TongFang GMxXGxx/TUXEDO Polaris 15 Gen5 AMD */ .matches = { From 67db431b8520c82d002910f0b7bbaa0173fecf31 Mon Sep 17 00:00:00 2001 From: Hans de Goede Date: Fri, 27 Sep 2024 16:16:06 +0200 Subject: [PATCH 411/649] ACPI: resource: Add Asus ExpertBook B2502CVA to irq1_level_low_skip_override[] commit 056301e7c7c886f96d799edd36f3406cc30e1822 upstream. Like other Asus ExpertBook models the B2502CVA has its keybopard IRQ (1) described as ActiveLow in the DSDT, which the kernel overrides to EdgeHigh which breaks the keyboard. Add the B2502CVA to the irq1_level_low_skip_override[] quirk table to fix this. Closes: https://bugzilla.kernel.org/show_bug.cgi?id=217760 Cc: All applicable Signed-off-by: Hans de Goede Link: https://patch.msgid.link/20240927141606.66826-4-hdegoede@redhat.com Signed-off-by: Rafael J. Wysocki Signed-off-by: Greg Kroah-Hartman --- drivers/acpi/resource.c | 7 +++++++ 1 file changed, 7 insertions(+) diff --git a/drivers/acpi/resource.c b/drivers/acpi/resource.c index a8d2d39edc42..520acfcbf9db 100644 --- a/drivers/acpi/resource.c +++ b/drivers/acpi/resource.c @@ -494,6 +494,13 @@ static const struct dmi_system_id asus_laptop[] = { DMI_MATCH(DMI_BOARD_NAME, "GXxHRXx"), }, }, + { + /* Asus ExpertBook B2502CVA */ + .matches = { + DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."), + DMI_MATCH(DMI_BOARD_NAME, "B2502CVA"), + }, + }, { /* TongFang GMxHGxx/TUXEDO Stellaris Slim Gen1 AMD */ .matches = { From d73d48acf36f57362df7e4f9d76568168bf5e944 Mon Sep 17 00:00:00 2001 From: Qu Wenruo Date: Sat, 28 Sep 2024 08:05:58 +0930 Subject: [PATCH 412/649] btrfs: fix a NULL pointer dereference when failed to start a new trasacntion commit c3b47f49e83197e8dffd023ec568403bcdbb774b upstream. [BUG] Syzbot reported a NULL pointer dereference with the following crash: FAULT_INJECTION: forcing a failure. start_transaction+0x830/0x1670 fs/btrfs/transaction.c:676 prepare_to_relocate+0x31f/0x4c0 fs/btrfs/relocation.c:3642 relocate_block_group+0x169/0xd20 fs/btrfs/relocation.c:3678 ... BTRFS info (device loop0): balance: ended with status: -12 Oops: general protection fault, probably for non-canonical address 0xdffffc00000000cc: 0000 [#1] PREEMPT SMP KASAN NOPTI KASAN: null-ptr-deref in range [0x0000000000000660-0x0000000000000667] RIP: 0010:btrfs_update_reloc_root+0x362/0xa80 fs/btrfs/relocation.c:926 Call Trace: commit_fs_roots+0x2ee/0x720 fs/btrfs/transaction.c:1496 btrfs_commit_transaction+0xfaf/0x3740 fs/btrfs/transaction.c:2430 del_balance_item fs/btrfs/volumes.c:3678 [inline] reset_balance_state+0x25e/0x3c0 fs/btrfs/volumes.c:3742 btrfs_balance+0xead/0x10c0 fs/btrfs/volumes.c:4574 btrfs_ioctl_balance+0x493/0x7c0 fs/btrfs/ioctl.c:3673 vfs_ioctl fs/ioctl.c:51 [inline] __do_sys_ioctl fs/ioctl.c:907 [inline] __se_sys_ioctl+0xf9/0x170 fs/ioctl.c:893 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f [CAUSE] The allocation failure happens at the start_transaction() inside prepare_to_relocate(), and during the error handling we call unset_reloc_control(), which makes fs_info->balance_ctl to be NULL. Then we continue the error path cleanup in btrfs_balance() by calling reset_balance_state() which will call del_balance_item() to fully delete the balance item in the root tree. However during the small window between set_reloc_contrl() and unset_reloc_control(), we can have a subvolume tree update and created a reloc_root for that subvolume. Then we go into the final btrfs_commit_transaction() of del_balance_item(), and into btrfs_update_reloc_root() inside commit_fs_roots(). That function checks if fs_info->reloc_ctl is in the merge_reloc_tree stage, but since fs_info->reloc_ctl is NULL, it results a NULL pointer dereference. [FIX] Just add extra check on fs_info->reloc_ctl inside btrfs_update_reloc_root(), before checking fs_info->reloc_ctl->merge_reloc_tree. That DEAD_RELOC_TREE handling is to prevent further modification to the reloc tree during merge stage, but since there is no reloc_ctl at all, we do not need to bother that. Reported-by: syzbot+283673dbc38527ef9f3d@syzkaller.appspotmail.com Link: https://lore.kernel.org/linux-btrfs/66f6bfa7.050a0220.38ace9.0019.GAE@google.com/ CC: stable@vger.kernel.org # 4.19+ Reviewed-by: Josef Bacik Signed-off-by: Qu Wenruo Reviewed-by: David Sterba Signed-off-by: David Sterba Signed-off-by: Greg Kroah-Hartman --- fs/btrfs/relocation.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/fs/btrfs/relocation.c b/fs/btrfs/relocation.c index 93db4486a943..cdd16583b2ff 100644 --- a/fs/btrfs/relocation.c +++ b/fs/btrfs/relocation.c @@ -910,7 +910,7 @@ int btrfs_update_reloc_root(struct btrfs_trans_handle *trans, btrfs_grab_root(reloc_root); /* root->reloc_root will stay until current relocation finished */ - if (fs_info->reloc_ctl->merge_reloc_tree && + if (fs_info->reloc_ctl && fs_info->reloc_ctl->merge_reloc_tree && btrfs_root_refs(root_item) == 0) { set_bit(BTRFS_ROOT_DEAD_RELOC_TREE, &root->state); /* From 70b60c8d9b42763d6629e44f448aa5d8ae477d61 Mon Sep 17 00:00:00 2001 From: Filipe Manana Date: Tue, 1 Oct 2024 11:06:52 +0100 Subject: [PATCH 413/649] btrfs: wait for fixup workers before stopping cleaner kthread during umount commit 41fd1e94066a815a7ab0a7025359e9b40e4b3576 upstream. During unmount, at close_ctree(), we have the following steps in this order: 1) Park the cleaner kthread - this doesn't destroy the kthread, it basically halts its execution (wake ups against it work but do nothing); 2) We stop the cleaner kthread - this results in freeing the respective struct task_struct; 3) We call btrfs_stop_all_workers() which waits for any jobs running in all the work queues and then free the work queues. Syzbot reported a case where a fixup worker resulted in a crash when doing a delayed iput on its inode while attempting to wake up the cleaner at btrfs_add_delayed_iput(), because the task_struct of the cleaner kthread was already freed. This can happen during unmount because we don't wait for any fixup workers still running before we call kthread_stop() against the cleaner kthread, which stops and free all its resources. Fix this by waiting for any fixup workers at close_ctree() before we call kthread_stop() against the cleaner and run pending delayed iputs. The stack traces reported by syzbot were the following: BUG: KASAN: slab-use-after-free in __lock_acquire+0x77/0x2050 kernel/locking/lockdep.c:5065 Read of size 8 at addr ffff8880272a8a18 by task kworker/u8:3/52 CPU: 1 UID: 0 PID: 52 Comm: kworker/u8:3 Not tainted 6.12.0-rc1-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 Workqueue: btrfs-fixup btrfs_work_helper Call Trace: __dump_stack lib/dump_stack.c:94 [inline] dump_stack_lvl+0x241/0x360 lib/dump_stack.c:120 print_address_description mm/kasan/report.c:377 [inline] print_report+0x169/0x550 mm/kasan/report.c:488 kasan_report+0x143/0x180 mm/kasan/report.c:601 __lock_acquire+0x77/0x2050 kernel/locking/lockdep.c:5065 lock_acquire+0x1ed/0x550 kernel/locking/lockdep.c:5825 __raw_spin_lock_irqsave include/linux/spinlock_api_smp.h:110 [inline] _raw_spin_lock_irqsave+0xd5/0x120 kernel/locking/spinlock.c:162 class_raw_spinlock_irqsave_constructor include/linux/spinlock.h:551 [inline] try_to_wake_up+0xb0/0x1480 kernel/sched/core.c:4154 btrfs_writepage_fixup_worker+0xc16/0xdf0 fs/btrfs/inode.c:2842 btrfs_work_helper+0x390/0xc50 fs/btrfs/async-thread.c:314 process_one_work kernel/workqueue.c:3229 [inline] process_scheduled_works+0xa63/0x1850 kernel/workqueue.c:3310 worker_thread+0x870/0xd30 kernel/workqueue.c:3391 kthread+0x2f0/0x390 kernel/kthread.c:389 ret_from_fork+0x4b/0x80 arch/x86/kernel/process.c:147 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244 Allocated by task 2: kasan_save_stack mm/kasan/common.c:47 [inline] kasan_save_track+0x3f/0x80 mm/kasan/common.c:68 unpoison_slab_object mm/kasan/common.c:319 [inline] __kasan_slab_alloc+0x66/0x80 mm/kasan/common.c:345 kasan_slab_alloc include/linux/kasan.h:247 [inline] slab_post_alloc_hook mm/slub.c:4086 [inline] slab_alloc_node mm/slub.c:4135 [inline] kmem_cache_alloc_node_noprof+0x16b/0x320 mm/slub.c:4187 alloc_task_struct_node kernel/fork.c:180 [inline] dup_task_struct+0x57/0x8c0 kernel/fork.c:1107 copy_process+0x5d1/0x3d50 kernel/fork.c:2206 kernel_clone+0x223/0x880 kernel/fork.c:2787 kernel_thread+0x1bc/0x240 kernel/fork.c:2849 create_kthread kernel/kthread.c:412 [inline] kthreadd+0x60d/0x810 kernel/kthread.c:765 ret_from_fork+0x4b/0x80 arch/x86/kernel/process.c:147 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244 Freed by task 61: kasan_save_stack mm/kasan/common.c:47 [inline] kasan_save_track+0x3f/0x80 mm/kasan/common.c:68 kasan_save_free_info+0x40/0x50 mm/kasan/generic.c:579 poison_slab_object mm/kasan/common.c:247 [inline] __kasan_slab_free+0x59/0x70 mm/kasan/common.c:264 kasan_slab_free include/linux/kasan.h:230 [inline] slab_free_hook mm/slub.c:2343 [inline] slab_free mm/slub.c:4580 [inline] kmem_cache_free+0x1a2/0x420 mm/slub.c:4682 put_task_struct include/linux/sched/task.h:144 [inline] delayed_put_task_struct+0x125/0x300 kernel/exit.c:228 rcu_do_batch kernel/rcu/tree.c:2567 [inline] rcu_core+0xaaa/0x17a0 kernel/rcu/tree.c:2823 handle_softirqs+0x2c5/0x980 kernel/softirq.c:554 __do_softirq kernel/softirq.c:588 [inline] invoke_softirq kernel/softirq.c:428 [inline] __irq_exit_rcu+0xf4/0x1c0 kernel/softirq.c:637 irq_exit_rcu+0x9/0x30 kernel/softirq.c:649 instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1037 [inline] sysvec_apic_timer_interrupt+0xa6/0xc0 arch/x86/kernel/apic/apic.c:1037 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:702 Last potentially related work creation: kasan_save_stack+0x3f/0x60 mm/kasan/common.c:47 __kasan_record_aux_stack+0xac/0xc0 mm/kasan/generic.c:541 __call_rcu_common kernel/rcu/tree.c:3086 [inline] call_rcu+0x167/0xa70 kernel/rcu/tree.c:3190 context_switch kernel/sched/core.c:5318 [inline] __schedule+0x184b/0x4ae0 kernel/sched/core.c:6675 schedule_idle+0x56/0x90 kernel/sched/core.c:6793 do_idle+0x56a/0x5d0 kernel/sched/idle.c:354 cpu_startup_entry+0x42/0x60 kernel/sched/idle.c:424 start_secondary+0x102/0x110 arch/x86/kernel/smpboot.c:314 common_startup_64+0x13e/0x147 The buggy address belongs to the object at ffff8880272a8000 which belongs to the cache task_struct of size 7424 The buggy address is located 2584 bytes inside of freed 7424-byte region [ffff8880272a8000, ffff8880272a9d00) The buggy address belongs to the physical page: page: refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x272a8 head: order:3 mapcount:0 entire_mapcount:0 nr_pages_mapped:0 pincount:0 flags: 0xfff00000000040(head|node=0|zone=1|lastcpupid=0x7ff) page_type: f5(slab) raw: 00fff00000000040 ffff88801bafa500 dead000000000122 0000000000000000 raw: 0000000000000000 0000000080040004 00000001f5000000 0000000000000000 head: 00fff00000000040 ffff88801bafa500 dead000000000122 0000000000000000 head: 0000000000000000 0000000080040004 00000001f5000000 0000000000000000 head: 00fff00000000003 ffffea00009caa01 ffffffffffffffff 0000000000000000 head: 0000000000000008 0000000000000000 00000000ffffffff 0000000000000000 page dumped because: kasan: bad access detected page_owner tracks the page as allocated page last allocated via order 3, migratetype Unmovable, gfp_mask 0xd20c0(__GFP_IO|__GFP_FS|__GFP_NOWARN|__GFP_NORETRY|__GFP_COMP|__GFP_NOMEMALLOC), pid 2, tgid 2 (kthreadd), ts 71247381401, free_ts 71214998153 set_page_owner include/linux/page_owner.h:32 [inline] post_alloc_hook+0x1f3/0x230 mm/page_alloc.c:1537 prep_new_page mm/page_alloc.c:1545 [inline] get_page_from_freelist+0x3039/0x3180 mm/page_alloc.c:3457 __alloc_pages_noprof+0x256/0x6c0 mm/page_alloc.c:4733 alloc_pages_mpol_noprof+0x3e8/0x680 mm/mempolicy.c:2265 alloc_slab_page+0x6a/0x120 mm/slub.c:2413 allocate_slab+0x5a/0x2f0 mm/slub.c:2579 new_slab mm/slub.c:2632 [inline] ___slab_alloc+0xcd1/0x14b0 mm/slub.c:3819 __slab_alloc+0x58/0xa0 mm/slub.c:3909 __slab_alloc_node mm/slub.c:3962 [inline] slab_alloc_node mm/slub.c:4123 [inline] kmem_cache_alloc_node_noprof+0x1fe/0x320 mm/slub.c:4187 alloc_task_struct_node kernel/fork.c:180 [inline] dup_task_struct+0x57/0x8c0 kernel/fork.c:1107 copy_process+0x5d1/0x3d50 kernel/fork.c:2206 kernel_clone+0x223/0x880 kernel/fork.c:2787 kernel_thread+0x1bc/0x240 kernel/fork.c:2849 create_kthread kernel/kthread.c:412 [inline] kthreadd+0x60d/0x810 kernel/kthread.c:765 ret_from_fork+0x4b/0x80 arch/x86/kernel/process.c:147 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244 page last free pid 5230 tgid 5230 stack trace: reset_page_owner include/linux/page_owner.h:25 [inline] free_pages_prepare mm/page_alloc.c:1108 [inline] free_unref_page+0xcd0/0xf00 mm/page_alloc.c:2638 discard_slab mm/slub.c:2678 [inline] __put_partials+0xeb/0x130 mm/slub.c:3146 put_cpu_partial+0x17c/0x250 mm/slub.c:3221 __slab_free+0x2ea/0x3d0 mm/slub.c:4450 qlink_free mm/kasan/quarantine.c:163 [inline] qlist_free_all+0x9a/0x140 mm/kasan/quarantine.c:179 kasan_quarantine_reduce+0x14f/0x170 mm/kasan/quarantine.c:286 __kasan_slab_alloc+0x23/0x80 mm/kasan/common.c:329 kasan_slab_alloc include/linux/kasan.h:247 [inline] slab_post_alloc_hook mm/slub.c:4086 [inline] slab_alloc_node mm/slub.c:4135 [inline] kmem_cache_alloc_noprof+0x135/0x2a0 mm/slub.c:4142 getname_flags+0xb7/0x540 fs/namei.c:139 do_sys_openat2+0xd2/0x1d0 fs/open.c:1409 do_sys_open fs/open.c:1430 [inline] __do_sys_openat fs/open.c:1446 [inline] __se_sys_openat fs/open.c:1441 [inline] __x64_sys_openat+0x247/0x2a0 fs/open.c:1441 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f Memory state around the buggy address: ffff8880272a8900: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb ffff8880272a8980: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb >ffff8880272a8a00: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb ^ ffff8880272a8a80: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb ffff8880272a8b00: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb ================================================================== Reported-by: syzbot+8aaf2df2ef0164ffe1fb@syzkaller.appspotmail.com Link: https://lore.kernel.org/linux-btrfs/66fb36b1.050a0220.aab67.003b.GAE@google.com/ CC: stable@vger.kernel.org # 4.19+ Reviewed-by: Qu Wenruo Reviewed-by: Johannes Thumshirn Reviewed-by: David Sterba Signed-off-by: Filipe Manana Reviewed-by: David Sterba Signed-off-by: David Sterba Signed-off-by: Greg Kroah-Hartman --- fs/btrfs/disk-io.c | 11 +++++++++++ 1 file changed, 11 insertions(+) diff --git a/fs/btrfs/disk-io.c b/fs/btrfs/disk-io.c index c484c145c5d0..104c86784796 100644 --- a/fs/btrfs/disk-io.c +++ b/fs/btrfs/disk-io.c @@ -4131,6 +4131,17 @@ void __cold close_ctree(struct btrfs_fs_info *fs_info) /* clear out the rbtree of defraggable inodes */ btrfs_cleanup_defrag_inodes(fs_info); + /* + * Wait for any fixup workers to complete. + * If we don't wait for them here and they are still running by the time + * we call kthread_stop() against the cleaner kthread further below, we + * get an use-after-free on the cleaner because the fixup worker adds an + * inode to the list of delayed iputs and then attempts to wakeup the + * cleaner kthread, which was already stopped and destroyed. We parked + * already the cleaner, but below we run all pending delayed iputs. + */ + btrfs_flush_workqueue(fs_info->fixup_workers); + /* * After we parked the cleaner kthread, ordered extents may have * completed and created new delayed iputs. If one of the async reclaim From c54aa7d75055c6a83c0bbf63af19d191afc63c9d Mon Sep 17 00:00:00 2001 From: Emanuele Ghidoli Date: Wed, 28 Aug 2024 15:32:07 +0200 Subject: [PATCH 414/649] gpio: davinci: fix lazy disable commit 3360d41f4ac490282fddc3ccc0b58679aa5c065d upstream. On a few platforms such as TI's AM69 device, disable_irq() fails to keep track of the interrupts that happen between disable_irq() and enable_irq() and those interrupts are missed. Use the ->irq_unmask() and ->irq_mask() methods instead of ->irq_enable() and ->irq_disable() to correctly keep track of edges when disable_irq is called. This solves the issue of disable_irq() not working as expected on such platforms. Fixes: 23265442b02b ("ARM: davinci: irq_data conversion.") Signed-off-by: Emanuele Ghidoli Signed-off-by: Parth Pancholi Acked-by: Keerthy Cc: stable@vger.kernel.org Link: https://lore.kernel.org/r/20240828133207.493961-1-parth105105@gmail.com Signed-off-by: Bartosz Golaszewski Signed-off-by: Greg Kroah-Hartman --- drivers/gpio/gpio-davinci.c | 8 ++++---- 1 file changed, 4 insertions(+), 4 deletions(-) diff --git a/drivers/gpio/gpio-davinci.c b/drivers/gpio/gpio-davinci.c index 33623bcfc886..62ad1d818a31 100644 --- a/drivers/gpio/gpio-davinci.c +++ b/drivers/gpio/gpio-davinci.c @@ -293,7 +293,7 @@ static int davinci_gpio_probe(struct platform_device *pdev) * serve as EDMA event triggers. */ -static void gpio_irq_disable(struct irq_data *d) +static void gpio_irq_mask(struct irq_data *d) { struct davinci_gpio_regs __iomem *g = irq2regs(d); uintptr_t mask = (uintptr_t)irq_data_get_irq_handler_data(d); @@ -302,7 +302,7 @@ static void gpio_irq_disable(struct irq_data *d) writel_relaxed(mask, &g->clr_rising); } -static void gpio_irq_enable(struct irq_data *d) +static void gpio_irq_unmask(struct irq_data *d) { struct davinci_gpio_regs __iomem *g = irq2regs(d); uintptr_t mask = (uintptr_t)irq_data_get_irq_handler_data(d); @@ -328,8 +328,8 @@ static int gpio_irq_type(struct irq_data *d, unsigned trigger) static struct irq_chip gpio_irqchip = { .name = "GPIO", - .irq_enable = gpio_irq_enable, - .irq_disable = gpio_irq_disable, + .irq_unmask = gpio_irq_unmask, + .irq_mask = gpio_irq_mask, .irq_set_type = gpio_irq_type, .flags = IRQCHIP_SET_TYPE_MASKED | IRQCHIP_SKIP_SET_WAKE, }; From bfab5fbc12c51cf1d9037ea311cbecf578daa894 Mon Sep 17 00:00:00 2001 From: Tvrtko Ursulin Date: Fri, 13 Sep 2024 17:05:52 +0100 Subject: [PATCH 415/649] drm/sched: Add locking to drm_sched_entity_modify_sched MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit commit 4286cc2c953983d44d248c9de1c81d3a9643345c upstream. Without the locking amdgpu currently can race between amdgpu_ctx_set_entity_priority() (via drm_sched_entity_modify_sched()) and drm_sched_job_arm(), leading to the latter accesing potentially inconsitent entity->sched_list and entity->num_sched_list pair. v2: * Improve commit message. (Philipp) Signed-off-by: Tvrtko Ursulin Fixes: b37aced31eb0 ("drm/scheduler: implement a function to modify sched list") Cc: Christian König Cc: Alex Deucher Cc: Luben Tuikov Cc: Matthew Brost Cc: David Airlie Cc: Daniel Vetter Cc: dri-devel@lists.freedesktop.org Cc: Philipp Stanner Cc: # v5.7+ Reviewed-by: Christian König Link: https://patchwork.freedesktop.org/patch/msgid/20240913160559.49054-2-tursulin@igalia.com Signed-off-by: Christian König Signed-off-by: Greg Kroah-Hartman --- drivers/gpu/drm/scheduler/sched_entity.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/drivers/gpu/drm/scheduler/sched_entity.c b/drivers/gpu/drm/scheduler/sched_entity.c index 3f7f761df4cd..750d91370c8a 100644 --- a/drivers/gpu/drm/scheduler/sched_entity.c +++ b/drivers/gpu/drm/scheduler/sched_entity.c @@ -96,8 +96,10 @@ void drm_sched_entity_modify_sched(struct drm_sched_entity *entity, { WARN_ON(!num_sched_list || !sched_list); + spin_lock(&entity->rq_lock); entity->sched_list = sched_list; entity->num_sched_list = num_sched_list; + spin_unlock(&entity->rq_lock); } EXPORT_SYMBOL(drm_sched_entity_modify_sched); From 8b55076b7bd45a11e6316b9564e331014f3f9968 Mon Sep 17 00:00:00 2001 From: Masahiro Yamada Date: Tue, 1 Oct 2024 18:02:22 +0900 Subject: [PATCH 416/649] kconfig: qconf: fix buffer overflow in debug links [ Upstream commit 984ed20ece1c6c20789ece040cbff3eb1a388fa9 ] If you enable "Option -> Show Debug Info" and click a link, the program terminates with the following error: *** buffer overflow detected ***: terminated The buffer overflow is caused by the following line: strcat(data, "$"); The buffer needs one more byte to accommodate the additional character. Fixes: c4f7398bee9c ("kconfig: qconf: make debug links work again") Signed-off-by: Masahiro Yamada Signed-off-by: Sasha Levin --- scripts/kconfig/qconf.cc | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/scripts/kconfig/qconf.cc b/scripts/kconfig/qconf.cc index f7eb093614f2..b889fe604e42 100644 --- a/scripts/kconfig/qconf.cc +++ b/scripts/kconfig/qconf.cc @@ -1167,7 +1167,7 @@ void ConfigInfoView::clicked(const QUrl &url) { QByteArray str = url.toEncoded(); const std::size_t count = str.size(); - char *data = new char[count + 1]; + char *data = new char[count + 2]; // '$' + '\0' struct symbol **result; struct menu *m = NULL; From 9bd3443e34e6e9bc47db21c5ba099fab097ccc8b Mon Sep 17 00:00:00 2001 From: Krzysztof Kozlowski Date: Wed, 2 Sep 2020 17:06:36 +0200 Subject: [PATCH 417/649] i2c: xiic: Simplify with dev_err_probe() [ Upstream commit 9dbba3f87c7823cf35e63fb7a2449a5d54b3b799 ] Common pattern of handling deferred probe can be simplified with dev_err_probe(). Less code and the error value gets printed. Signed-off-by: Krzysztof Kozlowski Acked-by: Michal Simek Signed-off-by: Wolfram Sang Stable-dep-of: 0c8d604dea43 ("i2c: xiic: Fix pm_runtime_set_suspended() with runtime pm enabled") Signed-off-by: Sasha Levin --- drivers/i2c/busses/i2c-xiic.c | 9 ++++----- 1 file changed, 4 insertions(+), 5 deletions(-) diff --git a/drivers/i2c/busses/i2c-xiic.c b/drivers/i2c/busses/i2c-xiic.c index d10f7fd868b6..2642062ce5b3 100644 --- a/drivers/i2c/busses/i2c-xiic.c +++ b/drivers/i2c/busses/i2c-xiic.c @@ -838,11 +838,10 @@ static int xiic_i2c_probe(struct platform_device *pdev) mutex_init(&i2c->lock); i2c->clk = devm_clk_get(&pdev->dev, NULL); - if (IS_ERR(i2c->clk)) { - if (PTR_ERR(i2c->clk) != -EPROBE_DEFER) - dev_err(&pdev->dev, "input clock not found.\n"); - return PTR_ERR(i2c->clk); - } + if (IS_ERR(i2c->clk)) + return dev_err_probe(&pdev->dev, PTR_ERR(i2c->clk), + "input clock not found.\n"); + ret = clk_prepare_enable(i2c->clk); if (ret) { dev_err(&pdev->dev, "Unable to enable clock.\n"); From d223126bb0acb0e250925cc89f92b112be8c2589 Mon Sep 17 00:00:00 2001 From: Andi Shyti Date: Mon, 12 Jun 2023 00:56:49 +0200 Subject: [PATCH 418/649] i2c: xiic: Use devm_clk_get_enabled() [ Upstream commit 8390dc7477e49e4acc9e553f385f4ff59d186efe ] Replace the pair of functions, devm_clk_get() and clk_prepare_enable(), with a single function devm_clk_get_enabled(). Signed-off-by: Andi Shyti Acked-by: Michal Simek Signed-off-by: Wolfram Sang Stable-dep-of: 0c8d604dea43 ("i2c: xiic: Fix pm_runtime_set_suspended() with runtime pm enabled") Signed-off-by: Sasha Levin --- drivers/i2c/busses/i2c-xiic.c | 20 +++++++------------- 1 file changed, 7 insertions(+), 13 deletions(-) diff --git a/drivers/i2c/busses/i2c-xiic.c b/drivers/i2c/busses/i2c-xiic.c index 2642062ce5b3..678ec68f66d6 100644 --- a/drivers/i2c/busses/i2c-xiic.c +++ b/drivers/i2c/busses/i2c-xiic.c @@ -837,16 +837,11 @@ static int xiic_i2c_probe(struct platform_device *pdev) mutex_init(&i2c->lock); - i2c->clk = devm_clk_get(&pdev->dev, NULL); + i2c->clk = devm_clk_get_enabled(&pdev->dev, NULL); if (IS_ERR(i2c->clk)) return dev_err_probe(&pdev->dev, PTR_ERR(i2c->clk), - "input clock not found.\n"); + "failed to enable input clock.\n"); - ret = clk_prepare_enable(i2c->clk); - if (ret) { - dev_err(&pdev->dev, "Unable to enable clock.\n"); - return ret; - } i2c->dev = &pdev->dev; pm_runtime_set_autosuspend_delay(i2c->dev, XIIC_PM_TIMEOUT); pm_runtime_use_autosuspend(i2c->dev); @@ -858,7 +853,7 @@ static int xiic_i2c_probe(struct platform_device *pdev) if (ret < 0) { dev_err(&pdev->dev, "Cannot claim IRQ\n"); - goto err_clk_dis; + goto err_pm_disable; } i2c->singlemaster = @@ -879,14 +874,14 @@ static int xiic_i2c_probe(struct platform_device *pdev) ret = xiic_reinit(i2c); if (ret < 0) { dev_err(&pdev->dev, "Cannot xiic_reinit\n"); - goto err_clk_dis; + goto err_pm_disable; } /* add i2c adapter to i2c tree */ ret = i2c_add_adapter(&i2c->adap); if (ret) { xiic_deinit(i2c); - goto err_clk_dis; + goto err_pm_disable; } if (pdata) { @@ -897,10 +892,10 @@ static int xiic_i2c_probe(struct platform_device *pdev) return 0; -err_clk_dis: +err_pm_disable: pm_runtime_set_suspended(&pdev->dev); pm_runtime_disable(&pdev->dev); - clk_disable_unprepare(i2c->clk); + return ret; } @@ -918,7 +913,6 @@ static int xiic_i2c_remove(struct platform_device *pdev) xiic_deinit(i2c); pm_runtime_put_sync(i2c->dev); - clk_disable_unprepare(i2c->clk); pm_runtime_disable(&pdev->dev); pm_runtime_set_suspended(&pdev->dev); pm_runtime_dont_use_autosuspend(&pdev->dev); From c45edd5942cc5731c47161122ed4e42b557b283b Mon Sep 17 00:00:00 2001 From: Anshuman Khandual Date: Mon, 7 Oct 2024 13:17:07 +0100 Subject: [PATCH 419/649] arm64: Add Cortex-715 CPU part definition [ Upstream commit 07e39e60bbf0ccd5f895568e1afca032193705c0 ] Add the CPU Partnumbers for the new Arm designs. Cc: Catalin Marinas Cc: Will Deacon Cc: Suzuki K Poulose Cc: James Morse Cc: linux-arm-kernel@lists.infradead.org Cc: linux-kernel@vger.kernel.org Acked-by: Catalin Marinas Signed-off-by: Anshuman Khandual Link: https://lore.kernel.org/r/20221116140915.356601-2-anshuman.khandual@arm.com Signed-off-by: Will Deacon [ Mark: Trivial backport ] Signed-off-by: Mark Rutland Signed-off-by: Sasha Levin --- arch/arm64/include/asm/cputype.h | 2 ++ 1 file changed, 2 insertions(+) diff --git a/arch/arm64/include/asm/cputype.h b/arch/arm64/include/asm/cputype.h index 91890e9fcb6c..395d153c565d 100644 --- a/arch/arm64/include/asm/cputype.h +++ b/arch/arm64/include/asm/cputype.h @@ -81,6 +81,7 @@ #define ARM_CPU_PART_CORTEX_A510 0xD46 #define ARM_CPU_PART_CORTEX_A520 0xD80 #define ARM_CPU_PART_CORTEX_A710 0xD47 +#define ARM_CPU_PART_CORTEX_A715 0xD4D #define ARM_CPU_PART_CORTEX_X2 0xD48 #define ARM_CPU_PART_NEOVERSE_N2 0xD49 #define ARM_CPU_PART_CORTEX_A78C 0xD4B @@ -141,6 +142,7 @@ #define MIDR_CORTEX_A510 MIDR_CPU_MODEL(ARM_CPU_IMP_ARM, ARM_CPU_PART_CORTEX_A510) #define MIDR_CORTEX_A520 MIDR_CPU_MODEL(ARM_CPU_IMP_ARM, ARM_CPU_PART_CORTEX_A520) #define MIDR_CORTEX_A710 MIDR_CPU_MODEL(ARM_CPU_IMP_ARM, ARM_CPU_PART_CORTEX_A710) +#define MIDR_CORTEX_A715 MIDR_CPU_MODEL(ARM_CPU_IMP_ARM, ARM_CPU_PART_CORTEX_A715) #define MIDR_CORTEX_X2 MIDR_CPU_MODEL(ARM_CPU_IMP_ARM, ARM_CPU_PART_CORTEX_X2) #define MIDR_NEOVERSE_N2 MIDR_CPU_MODEL(ARM_CPU_IMP_ARM, ARM_CPU_PART_NEOVERSE_N2) #define MIDR_CORTEX_A78C MIDR_CPU_MODEL(ARM_CPU_IMP_ARM, ARM_CPU_PART_CORTEX_A78C) From f561b48d633ac2e7d0d667020fc634a96ade33a0 Mon Sep 17 00:00:00 2001 From: Oleg Nesterov Date: Mon, 7 Oct 2024 19:46:01 +0200 Subject: [PATCH 420/649] uprobes: fix kernel info leak via "[uprobes]" vma commit 34820304cc2cd1804ee1f8f3504ec77813d29c8e upstream. xol_add_vma() maps the uninitialized page allocated by __create_xol_area() into userspace. On some architectures (x86) this memory is readable even without VM_READ, VM_EXEC results in the same pgprot_t as VM_EXEC|VM_READ, although this doesn't really matter, debugger can read this memory anyway. Link: https://lore.kernel.org/all/20240929162047.GA12611@redhat.com/ Reported-by: Will Deacon Fixes: d4b3b6384f98 ("uprobes/core: Allocate XOL slots for uprobes use") Cc: stable@vger.kernel.org Acked-by: Masami Hiramatsu (Google) Signed-off-by: Oleg Nesterov Signed-off-by: Masami Hiramatsu (Google) Signed-off-by: Sasha Levin --- kernel/events/uprobes.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/kernel/events/uprobes.c b/kernel/events/uprobes.c index e91d6aac9855..1ea2c1f31126 100644 --- a/kernel/events/uprobes.c +++ b/kernel/events/uprobes.c @@ -1496,7 +1496,7 @@ static struct xol_area *__create_xol_area(unsigned long vaddr) area->xol_mapping.name = "[uprobes]"; area->xol_mapping.pages = area->pages; - area->pages[0] = alloc_page(GFP_HIGHUSER); + area->pages[0] = alloc_page(GFP_HIGHUSER | __GFP_ZERO); if (!area->pages[0]) goto free_bitmap; area->pages[1] = NULL; From 9df353ca130149d0865dfa72c29e92b0da6ed9dd Mon Sep 17 00:00:00 2001 From: Mark Rutland Date: Mon, 7 Oct 2024 13:17:08 +0100 Subject: [PATCH 421/649] arm64: cputype: Add Neoverse-N3 definitions [ Upstream commit 924725707d80bc2588cefafef76ff3f164d299bc ] Add cputype definitions for Neoverse-N3. These will be used for errata detection in subsequent patches. These values can be found in Table A-261 ("MIDR_EL1 bit descriptions") in issue 02 of the Neoverse-N3 TRM, which can be found at: https://developer.arm.com/documentation/107997/0000/?lang=en Signed-off-by: Mark Rutland Cc: James Morse Cc: Will Deacon Link: https://lore.kernel.org/r/20240930111705.3352047-2-mark.rutland@arm.com Signed-off-by: Catalin Marinas [ Mark: trivial backport ] Signed-off-by: Mark Rutland Signed-off-by: Sasha Levin --- arch/arm64/include/asm/cputype.h | 2 ++ 1 file changed, 2 insertions(+) diff --git a/arch/arm64/include/asm/cputype.h b/arch/arm64/include/asm/cputype.h index 395d153c565d..d8305b4657d2 100644 --- a/arch/arm64/include/asm/cputype.h +++ b/arch/arm64/include/asm/cputype.h @@ -93,6 +93,7 @@ #define ARM_CPU_PART_NEOVERSE_V3 0xD84 #define ARM_CPU_PART_CORTEX_X925 0xD85 #define ARM_CPU_PART_CORTEX_A725 0xD87 +#define ARM_CPU_PART_NEOVERSE_N3 0xD8E #define APM_CPU_PART_POTENZA 0x000 @@ -154,6 +155,7 @@ #define MIDR_NEOVERSE_V3 MIDR_CPU_MODEL(ARM_CPU_IMP_ARM, ARM_CPU_PART_NEOVERSE_V3) #define MIDR_CORTEX_X925 MIDR_CPU_MODEL(ARM_CPU_IMP_ARM, ARM_CPU_PART_CORTEX_X925) #define MIDR_CORTEX_A725 MIDR_CPU_MODEL(ARM_CPU_IMP_ARM, ARM_CPU_PART_CORTEX_A725) +#define MIDR_NEOVERSE_N3 MIDR_CPU_MODEL(ARM_CPU_IMP_ARM, ARM_CPU_PART_NEOVERSE_N3) #define MIDR_THUNDERX MIDR_CPU_MODEL(ARM_CPU_IMP_CAVIUM, CAVIUM_CPU_PART_THUNDERX) #define MIDR_THUNDERX_81XX MIDR_CPU_MODEL(ARM_CPU_IMP_CAVIUM, CAVIUM_CPU_PART_THUNDERX_81XX) #define MIDR_THUNDERX_83XX MIDR_CPU_MODEL(ARM_CPU_IMP_CAVIUM, CAVIUM_CPU_PART_THUNDERX_83XX) From 1aeaa7e8d8596f9391647742e81657bb73c7d3a0 Mon Sep 17 00:00:00 2001 From: Hugh Cole-Baker Date: Tue, 19 Oct 2021 22:58:41 +0100 Subject: [PATCH 422/649] drm/rockchip: define gamma registers for RK3399 MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit [ Upstream commit 3ba000d6ae999b99f29afd64814877a5c4406786 ] The VOP on RK3399 has a different approach from previous versions for setting a gamma lookup table, using an update_gamma_lut register. As this differs from RK3288, give RK3399 its own set of "common" register definitions. Signed-off-by: Hugh Cole-Baker Tested-by: "Milan P. Stanić" Tested-by: Linus Heckemann Signed-off-by: Heiko Stuebner Link: https://patchwork.freedesktop.org/patch/msgid/20211019215843.42718-2-sigmaris@gmail.com Stable-dep-of: 6b44aa559d6c ("drm/rockchip: vop: clear DMA stop bit on RK3066") Signed-off-by: Sasha Levin --- drivers/gpu/drm/rockchip/rockchip_drm_vop.h | 2 ++ drivers/gpu/drm/rockchip/rockchip_vop_reg.c | 24 +++++++++++++++++++-- drivers/gpu/drm/rockchip/rockchip_vop_reg.h | 1 + 3 files changed, 25 insertions(+), 2 deletions(-) diff --git a/drivers/gpu/drm/rockchip/rockchip_drm_vop.h b/drivers/gpu/drm/rockchip/rockchip_drm_vop.h index 857d97cdc67c..14179e89bd21 100644 --- a/drivers/gpu/drm/rockchip/rockchip_drm_vop.h +++ b/drivers/gpu/drm/rockchip/rockchip_drm_vop.h @@ -99,6 +99,8 @@ struct vop_common { struct vop_reg dither_down_en; struct vop_reg dither_up; struct vop_reg dsp_lut_en; + struct vop_reg update_gamma_lut; + struct vop_reg lut_buffer_index; struct vop_reg gate_en; struct vop_reg mmu_en; struct vop_reg out_mode; diff --git a/drivers/gpu/drm/rockchip/rockchip_vop_reg.c b/drivers/gpu/drm/rockchip/rockchip_vop_reg.c index 39e1e1ebea92..310746468ff3 100644 --- a/drivers/gpu/drm/rockchip/rockchip_vop_reg.c +++ b/drivers/gpu/drm/rockchip/rockchip_vop_reg.c @@ -836,6 +836,24 @@ static const struct vop_output rk3399_output = { .mipi_dual_channel_en = VOP_REG(RK3288_SYS_CTRL, 0x1, 3), }; +static const struct vop_common rk3399_common = { + .standby = VOP_REG_SYNC(RK3399_SYS_CTRL, 0x1, 22), + .gate_en = VOP_REG(RK3399_SYS_CTRL, 0x1, 23), + .mmu_en = VOP_REG(RK3399_SYS_CTRL, 0x1, 20), + .dither_down_sel = VOP_REG(RK3399_DSP_CTRL1, 0x1, 4), + .dither_down_mode = VOP_REG(RK3399_DSP_CTRL1, 0x1, 3), + .dither_down_en = VOP_REG(RK3399_DSP_CTRL1, 0x1, 2), + .pre_dither_down = VOP_REG(RK3399_DSP_CTRL1, 0x1, 1), + .dither_up = VOP_REG(RK3399_DSP_CTRL1, 0x1, 6), + .dsp_lut_en = VOP_REG(RK3399_DSP_CTRL1, 0x1, 0), + .update_gamma_lut = VOP_REG(RK3399_DSP_CTRL1, 0x1, 7), + .lut_buffer_index = VOP_REG(RK3399_DBG_POST_REG1, 0x1, 1), + .data_blank = VOP_REG(RK3399_DSP_CTRL0, 0x1, 19), + .dsp_blank = VOP_REG(RK3399_DSP_CTRL0, 0x3, 18), + .out_mode = VOP_REG(RK3399_DSP_CTRL0, 0xf, 0), + .cfg_done = VOP_REG_SYNC(RK3399_REG_CFG_DONE, 0x1, 0), +}; + static const struct vop_yuv2yuv_phy rk3399_yuv2yuv_win01_data = { .y2r_coefficients = { VOP_REG(RK3399_WIN0_YUV2YUV_Y2R + 0, 0xffff, 0), @@ -917,7 +935,7 @@ static const struct vop_data rk3399_vop_big = { .version = VOP_VERSION(3, 5), .feature = VOP_FEATURE_OUTPUT_RGB10, .intr = &rk3366_vop_intr, - .common = &rk3288_common, + .common = &rk3399_common, .modeset = &rk3288_modeset, .output = &rk3399_output, .afbc = &rk3399_vop_afbc, @@ -925,6 +943,7 @@ static const struct vop_data rk3399_vop_big = { .win = rk3399_vop_win_data, .win_size = ARRAY_SIZE(rk3399_vop_win_data), .win_yuv2yuv = rk3399_vop_big_win_yuv2yuv_data, + .lut_size = 1024, }; static const struct vop_win_data rk3399_vop_lit_win_data[] = { @@ -943,13 +962,14 @@ static const struct vop_win_yuv2yuv_data rk3399_vop_lit_win_yuv2yuv_data[] = { static const struct vop_data rk3399_vop_lit = { .version = VOP_VERSION(3, 6), .intr = &rk3366_vop_intr, - .common = &rk3288_common, + .common = &rk3399_common, .modeset = &rk3288_modeset, .output = &rk3399_output, .misc = &rk3368_misc, .win = rk3399_vop_lit_win_data, .win_size = ARRAY_SIZE(rk3399_vop_lit_win_data), .win_yuv2yuv = rk3399_vop_lit_win_yuv2yuv_data, + .lut_size = 256, }; static const struct vop_win_data rk3228_vop_win_data[] = { diff --git a/drivers/gpu/drm/rockchip/rockchip_vop_reg.h b/drivers/gpu/drm/rockchip/rockchip_vop_reg.h index 6e9fa5815d4d..9f410a4ece7b 100644 --- a/drivers/gpu/drm/rockchip/rockchip_vop_reg.h +++ b/drivers/gpu/drm/rockchip/rockchip_vop_reg.h @@ -628,6 +628,7 @@ #define RK3399_YUV2YUV_WIN 0x02c0 #define RK3399_YUV2YUV_POST 0x02c4 #define RK3399_AUTO_GATING_EN 0x02cc +#define RK3399_DBG_POST_REG1 0x036c #define RK3399_WIN0_CSC_COE 0x03a0 #define RK3399_WIN1_CSC_COE 0x03c0 #define RK3399_WIN2_CSC_COE 0x03e0 From 6ff56ef7f72442221556db5e8f0a3c89386a354f Mon Sep 17 00:00:00 2001 From: Jinjie Ruan Date: Mon, 23 Sep 2024 11:42:50 +0800 Subject: [PATCH 423/649] i2c: xiic: Fix pm_runtime_set_suspended() with runtime pm enabled [ Upstream commit 0c8d604dea437b69a861479b413d629bc9b3da70 ] It is not valid to call pm_runtime_set_suspended() for devices with runtime PM enabled because it returns -EAGAIN if it is enabled already and working. So, call pm_runtime_disable() before to fix it. Fixes: 36ecbcab84d0 ("i2c: xiic: Implement power management") Cc: # v4.6+ Signed-off-by: Jinjie Ruan Signed-off-by: Andi Shyti Signed-off-by: Sasha Levin --- drivers/i2c/busses/i2c-xiic.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/i2c/busses/i2c-xiic.c b/drivers/i2c/busses/i2c-xiic.c index 678ec68f66d6..caa27411cf6f 100644 --- a/drivers/i2c/busses/i2c-xiic.c +++ b/drivers/i2c/busses/i2c-xiic.c @@ -893,8 +893,8 @@ static int xiic_i2c_probe(struct platform_device *pdev) return 0; err_pm_disable: - pm_runtime_set_suspended(&pdev->dev); pm_runtime_disable(&pdev->dev); + pm_runtime_set_suspended(&pdev->dev); return ret; } From dde4c1e1663b68868565235e4d71b93e4b744f93 Mon Sep 17 00:00:00 2001 From: Jan Kara Date: Fri, 13 Oct 2023 14:13:50 +0200 Subject: [PATCH 424/649] ext4: properly sync file size update after O_SYNC direct IO [ Upstream commit 91562895f8030cb9a0470b1db49de79346a69f91 ] Gao Xiang has reported that on ext4 O_SYNC direct IO does not properly sync file size update and thus if we crash at unfortunate moment, the file can have smaller size although O_SYNC IO has reported successful completion. The problem happens because update of on-disk inode size is handled in ext4_dio_write_iter() *after* iomap_dio_rw() (and thus dio_complete() in particular) has returned and generic_file_sync() gets called by dio_complete(). Fix the problem by handling on-disk inode size update directly in our ->end_io completion handler. References: https://lore.kernel.org/all/02d18236-26ef-09b0-90ad-030c4fe3ee20@linux.alibaba.com Reported-by: Gao Xiang CC: stable@vger.kernel.org Fixes: 378f32bab371 ("ext4: introduce direct I/O write using iomap infrastructure") Signed-off-by: Jan Kara Tested-by: Joseph Qi Reviewed-by: "Ritesh Harjani (IBM)" Link: https://lore.kernel.org/r/20231013121350.26872-1-jack@suse.cz Signed-off-by: Theodore Ts'o Stable-dep-of: dda898d7ffe8 ("ext4: dax: fix overflowing extents beyond inode size when partially writing") Signed-off-by: Sasha Levin --- fs/ext4/file.c | 153 +++++++++++++++++++++---------------------------- 1 file changed, 65 insertions(+), 88 deletions(-) diff --git a/fs/ext4/file.c b/fs/ext4/file.c index f42cc1fe0ba1..15f45499f491 100644 --- a/fs/ext4/file.c +++ b/fs/ext4/file.c @@ -280,80 +280,38 @@ static ssize_t ext4_buffered_write_iter(struct kiocb *iocb, } static ssize_t ext4_handle_inode_extension(struct inode *inode, loff_t offset, - ssize_t written, size_t count) + ssize_t count) { handle_t *handle; - bool truncate = false; - u8 blkbits = inode->i_blkbits; - ext4_lblk_t written_blk, end_blk; - int ret; - - /* - * Note that EXT4_I(inode)->i_disksize can get extended up to - * inode->i_size while the I/O was running due to writeback of delalloc - * blocks. But, the code in ext4_iomap_alloc() is careful to use - * zeroed/unwritten extents if this is possible; thus we won't leave - * uninitialized blocks in a file even if we didn't succeed in writing - * as much as we intended. - */ - WARN_ON_ONCE(i_size_read(inode) < EXT4_I(inode)->i_disksize); - if (offset + count <= EXT4_I(inode)->i_disksize) { - /* - * We need to ensure that the inode is removed from the orphan - * list if it has been added prematurely, due to writeback of - * delalloc blocks. - */ - if (!list_empty(&EXT4_I(inode)->i_orphan) && inode->i_nlink) { - handle = ext4_journal_start(inode, EXT4_HT_INODE, 2); - - if (IS_ERR(handle)) { - ext4_orphan_del(NULL, inode); - return PTR_ERR(handle); - } - - ext4_orphan_del(handle, inode); - ext4_journal_stop(handle); - } - - return written; - } - - if (written < 0) - goto truncate; + lockdep_assert_held_write(&inode->i_rwsem); handle = ext4_journal_start(inode, EXT4_HT_INODE, 2); - if (IS_ERR(handle)) { - written = PTR_ERR(handle); - goto truncate; - } + if (IS_ERR(handle)) + return PTR_ERR(handle); - if (ext4_update_inode_size(inode, offset + written)) { - ret = ext4_mark_inode_dirty(handle, inode); + if (ext4_update_inode_size(inode, offset + count)) { + int ret = ext4_mark_inode_dirty(handle, inode); if (unlikely(ret)) { - written = ret; ext4_journal_stop(handle); - goto truncate; + return ret; } } - /* - * We may need to truncate allocated but not written blocks beyond EOF. - */ - written_blk = ALIGN(offset + written, 1 << blkbits); - end_blk = ALIGN(offset + count, 1 << blkbits); - if (written_blk < end_blk && ext4_can_truncate(inode)) - truncate = true; - - /* - * Remove the inode from the orphan list if it has been extended and - * everything went OK. - */ - if (!truncate && inode->i_nlink) + if (inode->i_nlink) ext4_orphan_del(handle, inode); ext4_journal_stop(handle); - if (truncate) { -truncate: + return count; +} + +/* + * Clean up the inode after DIO or DAX extending write has completed and the + * inode size has been updated using ext4_handle_inode_extension(). + */ +static void ext4_inode_extension_cleanup(struct inode *inode, ssize_t count) +{ + lockdep_assert_held_write(&inode->i_rwsem); + if (count < 0) { ext4_truncate_failed_write(inode); /* * If the truncate operation failed early, then the inode may @@ -362,9 +320,28 @@ static ssize_t ext4_handle_inode_extension(struct inode *inode, loff_t offset, */ if (inode->i_nlink) ext4_orphan_del(NULL, inode); + return; } + /* + * If i_disksize got extended due to writeback of delalloc blocks while + * the DIO was running we could fail to cleanup the orphan list in + * ext4_handle_inode_extension(). Do it now. + */ + if (!list_empty(&EXT4_I(inode)->i_orphan) && inode->i_nlink) { + handle_t *handle = ext4_journal_start(inode, EXT4_HT_INODE, 2); - return written; + if (IS_ERR(handle)) { + /* + * The write has successfully completed. Not much to + * do with the error here so just cleanup the orphan + * list and hope for the best. + */ + ext4_orphan_del(NULL, inode); + return; + } + ext4_orphan_del(handle, inode); + ext4_journal_stop(handle); + } } static int ext4_dio_write_end_io(struct kiocb *iocb, ssize_t size, @@ -373,31 +350,22 @@ static int ext4_dio_write_end_io(struct kiocb *iocb, ssize_t size, loff_t pos = iocb->ki_pos; struct inode *inode = file_inode(iocb->ki_filp); + if (!error && size && flags & IOMAP_DIO_UNWRITTEN) + error = ext4_convert_unwritten_extents(NULL, inode, pos, size); if (error) return error; - - if (size && flags & IOMAP_DIO_UNWRITTEN) { - error = ext4_convert_unwritten_extents(NULL, inode, pos, size); - if (error < 0) - return error; - } /* - * If we are extending the file, we have to update i_size here before - * page cache gets invalidated in iomap_dio_rw(). Otherwise racing - * buffered reads could zero out too much from page cache pages. Update - * of on-disk size will happen later in ext4_dio_write_iter() where - * we have enough information to also perform orphan list handling etc. - * Note that we perform all extending writes synchronously under - * i_rwsem held exclusively so i_size update is safe here in that case. - * If the write was not extending, we cannot see pos > i_size here - * because operations reducing i_size like truncate wait for all - * outstanding DIO before updating i_size. + * Note that EXT4_I(inode)->i_disksize can get extended up to + * inode->i_size while the I/O was running due to writeback of delalloc + * blocks. But the code in ext4_iomap_alloc() is careful to use + * zeroed/unwritten extents if this is possible; thus we won't leave + * uninitialized blocks in a file even if we didn't succeed in writing + * as much as we intended. */ - pos += size; - if (pos > i_size_read(inode)) - i_size_write(inode, pos); - - return 0; + WARN_ON_ONCE(i_size_read(inode) < READ_ONCE(EXT4_I(inode)->i_disksize)); + if (pos + size <= READ_ONCE(EXT4_I(inode)->i_disksize)) + return size; + return ext4_handle_inode_extension(inode, pos, size); } static const struct iomap_dio_ops ext4_dio_write_ops = { @@ -572,9 +540,16 @@ static ssize_t ext4_dio_write_iter(struct kiocb *iocb, struct iov_iter *from) is_sync_kiocb(iocb) || unaligned_io || extend); if (ret == -ENOTBLK) ret = 0; - - if (extend) - ret = ext4_handle_inode_extension(inode, offset, ret, count); + if (extend) { + /* + * We always perform extending DIO write synchronously so by + * now the IO is completed and ext4_handle_inode_extension() + * was called. Cleanup the inode in case of error or race with + * writeback of delalloc blocks. + */ + WARN_ON_ONCE(ret == -EIOCBQUEUED); + ext4_inode_extension_cleanup(inode, ret); + } out: if (ilock_shared) @@ -655,8 +630,10 @@ ext4_dax_write_iter(struct kiocb *iocb, struct iov_iter *from) ret = dax_iomap_rw(iocb, from, &ext4_iomap_ops); - if (extend) - ret = ext4_handle_inode_extension(inode, offset, ret, count); + if (extend) { + ret = ext4_handle_inode_extension(inode, offset, ret); + ext4_inode_extension_cleanup(inode, ret); + } out: inode_unlock(inode); if (ret > 0) From f8a7c342326f6ad1dfdb30a18dd013c70f5e9669 Mon Sep 17 00:00:00 2001 From: Zhihao Cheng Date: Fri, 9 Aug 2024 20:15:32 +0800 Subject: [PATCH 425/649] ext4: dax: fix overflowing extents beyond inode size when partially writing [ Upstream commit dda898d7ffe85931f9cca6d702a51f33717c501e ] The dax_iomap_rw() does two things in each iteration: map written blocks and copy user data to blocks. If the process is killed by user(See signal handling in dax_iomap_iter()), the copied data will be returned and added on inode size, which means that the length of written extents may exceed the inode size, then fsck will fail. An example is given as: dd if=/dev/urandom of=file bs=4M count=1 dax_iomap_rw iomap_iter // round 1 ext4_iomap_begin ext4_iomap_alloc // allocate 0~2M extents(written flag) dax_iomap_iter // copy 2M data iomap_iter // round 2 iomap_iter_advance iter->pos += iter->processed // iter->pos = 2M ext4_iomap_begin ext4_iomap_alloc // allocate 2~4M extents(written flag) dax_iomap_iter fatal_signal_pending done = iter->pos - iocb->ki_pos // done = 2M ext4_handle_inode_extension ext4_update_inode_size // inode size = 2M fsck reports: Inode 13, i_size is 2097152, should be 4194304. Fix? Fix the problem by truncating extents if the written length is smaller than expected. Fixes: 776722e85d3b ("ext4: DAX iomap write support") CC: stable@vger.kernel.org Link: https://bugzilla.kernel.org/show_bug.cgi?id=219136 Signed-off-by: Zhihao Cheng Reviewed-by: Jan Kara Reviewed-by: Zhihao Cheng Link: https://patch.msgid.link/20240809121532.2105494-1-chengzhihao@huaweicloud.com Signed-off-by: Theodore Ts'o Signed-off-by: Sasha Levin --- fs/ext4/file.c | 8 ++++---- 1 file changed, 4 insertions(+), 4 deletions(-) diff --git a/fs/ext4/file.c b/fs/ext4/file.c index 15f45499f491..62c4073b0e56 100644 --- a/fs/ext4/file.c +++ b/fs/ext4/file.c @@ -308,10 +308,10 @@ static ssize_t ext4_handle_inode_extension(struct inode *inode, loff_t offset, * Clean up the inode after DIO or DAX extending write has completed and the * inode size has been updated using ext4_handle_inode_extension(). */ -static void ext4_inode_extension_cleanup(struct inode *inode, ssize_t count) +static void ext4_inode_extension_cleanup(struct inode *inode, bool need_trunc) { lockdep_assert_held_write(&inode->i_rwsem); - if (count < 0) { + if (need_trunc) { ext4_truncate_failed_write(inode); /* * If the truncate operation failed early, then the inode may @@ -548,7 +548,7 @@ static ssize_t ext4_dio_write_iter(struct kiocb *iocb, struct iov_iter *from) * writeback of delalloc blocks. */ WARN_ON_ONCE(ret == -EIOCBQUEUED); - ext4_inode_extension_cleanup(inode, ret); + ext4_inode_extension_cleanup(inode, ret < 0); } out: @@ -632,7 +632,7 @@ ext4_dax_write_iter(struct kiocb *iocb, struct iov_iter *from) if (extend) { ret = ext4_handle_inode_extension(inode, offset, ret); - ext4_inode_extension_cleanup(inode, ret); + ext4_inode_extension_cleanup(inode, ret < (ssize_t)count); } out: inode_unlock(inode); From 24afda0421af524da5574c97c1e3c25a1247ff69 Mon Sep 17 00:00:00 2001 From: Mark Rutland Date: Mon, 7 Oct 2024 13:17:09 +0100 Subject: [PATCH 426/649] arm64: errata: Expand speculative SSBS workaround once more [ Upstream commit 081eb7932c2b244f63317a982c5e3990e2c7fbdd ] A number of Arm Ltd CPUs suffer from errata whereby an MSR to the SSBS special-purpose register does not affect subsequent speculative instructions, permitting speculative store bypassing for a window of time. We worked around this for a number of CPUs in commits: * 7187bb7d0b5c7dfa ("arm64: errata: Add workaround for Arm errata 3194386 and 3312417") * 75b3c43eab594bfb ("arm64: errata: Expand speculative SSBS workaround") * 145502cac7ea70b5 ("arm64: errata: Expand speculative SSBS workaround (again)") Since then, a (hopefully final) batch of updates have been published, with two more affected CPUs. For the affected CPUs the existing mitigation is sufficient, as described in their respective Software Developer Errata Notice (SDEN) documents: * Cortex-A715 (MP148) SDEN v15.0, erratum 3456084 https://developer.arm.com/documentation/SDEN-2148827/1500/ * Neoverse-N3 (MP195) SDEN v5.0, erratum 3456111 https://developer.arm.com/documentation/SDEN-3050973/0500/ Enable the existing mitigation by adding the relevant MIDRs to erratum_spec_ssbs_list, and update silicon-errata.rst and the Kconfig text accordingly. Signed-off-by: Mark Rutland Cc: James Morse Cc: Will Deacon Link: https://lore.kernel.org/r/20240930111705.3352047-3-mark.rutland@arm.com Signed-off-by: Catalin Marinas [ Mark: fix conflict in silicon-errata.rst, handle move ] Signed-off-by: Mark Rutland Signed-off-by: Sasha Levin --- Documentation/arm64/silicon-errata.rst | 4 ++++ arch/arm64/Kconfig | 2 ++ arch/arm64/kernel/cpu_errata.c | 2 ++ 3 files changed, 8 insertions(+) diff --git a/Documentation/arm64/silicon-errata.rst b/Documentation/arm64/silicon-errata.rst index 14eef7e93614..9ee134914557 100644 --- a/Documentation/arm64/silicon-errata.rst +++ b/Documentation/arm64/silicon-errata.rst @@ -108,6 +108,8 @@ stable kernels. +----------------+-----------------+-----------------+-----------------------------+ | ARM | Cortex-A710 | #3324338 | ARM64_ERRATUM_3194386 | +----------------+-----------------+-----------------+-----------------------------+ +| ARM | Cortex-A715 | #3456084 | ARM64_ERRATUM_3194386 | ++----------------+-----------------+-----------------+-----------------------------+ | ARM | Cortex-A720 | #3456091 | ARM64_ERRATUM_3194386 | +----------------+-----------------+-----------------+-----------------------------+ | ARM | Cortex-A725 | #3456106 | ARM64_ERRATUM_3194386 | @@ -134,6 +136,8 @@ stable kernels. +----------------+-----------------+-----------------+-----------------------------+ | ARM | Neoverse-N2 | #3324339 | ARM64_ERRATUM_3194386 | +----------------+-----------------+-----------------+-----------------------------+ +| ARM | Neoverse-N3 | #3456111 | ARM64_ERRATUM_3194386 | ++----------------+-----------------+-----------------+-----------------------------+ | ARM | Neoverse-V1 | #3324341 | ARM64_ERRATUM_3194386 | +----------------+-----------------+-----------------+-----------------------------+ | ARM | Neoverse-V2 | #3324336 | ARM64_ERRATUM_3194386 | diff --git a/arch/arm64/Kconfig b/arch/arm64/Kconfig index 9fdf8b036428..cd13f02d579b 100644 --- a/arch/arm64/Kconfig +++ b/arch/arm64/Kconfig @@ -703,6 +703,7 @@ config ARM64_ERRATUM_3194386 * ARM Cortex-A78C erratum 3324346 * ARM Cortex-A78C erratum 3324347 * ARM Cortex-A710 erratam 3324338 + * ARM Cortex-A715 errartum 3456084 * ARM Cortex-A720 erratum 3456091 * ARM Cortex-A725 erratum 3456106 * ARM Cortex-X1 erratum 3324344 @@ -713,6 +714,7 @@ config ARM64_ERRATUM_3194386 * ARM Cortex-X925 erratum 3324334 * ARM Neoverse-N1 erratum 3324349 * ARM Neoverse N2 erratum 3324339 + * ARM Neoverse-N3 erratum 3456111 * ARM Neoverse-V1 erratum 3324341 * ARM Neoverse V2 erratum 3324336 * ARM Neoverse-V3 erratum 3312417 diff --git a/arch/arm64/kernel/cpu_errata.c b/arch/arm64/kernel/cpu_errata.c index 6e63dc8f0e8c..a77fcc9e7c72 100644 --- a/arch/arm64/kernel/cpu_errata.c +++ b/arch/arm64/kernel/cpu_errata.c @@ -371,6 +371,7 @@ static const struct midr_range erratum_spec_ssbs_list[] = { MIDR_ALL_VERSIONS(MIDR_CORTEX_A78), MIDR_ALL_VERSIONS(MIDR_CORTEX_A78C), MIDR_ALL_VERSIONS(MIDR_CORTEX_A710), + MIDR_ALL_VERSIONS(MIDR_CORTEX_A715), MIDR_ALL_VERSIONS(MIDR_CORTEX_A720), MIDR_ALL_VERSIONS(MIDR_CORTEX_A725), MIDR_ALL_VERSIONS(MIDR_CORTEX_X1), @@ -381,6 +382,7 @@ static const struct midr_range erratum_spec_ssbs_list[] = { MIDR_ALL_VERSIONS(MIDR_CORTEX_X925), MIDR_ALL_VERSIONS(MIDR_NEOVERSE_N1), MIDR_ALL_VERSIONS(MIDR_NEOVERSE_N2), + MIDR_ALL_VERSIONS(MIDR_NEOVERSE_N3), MIDR_ALL_VERSIONS(MIDR_NEOVERSE_V1), MIDR_ALL_VERSIONS(MIDR_NEOVERSE_V2), MIDR_ALL_VERSIONS(MIDR_NEOVERSE_V3), From 281edfa1cdeffb7d26f9db0ccf6e5f41eea659c8 Mon Sep 17 00:00:00 2001 From: Dmitry Baryshkov Date: Sun, 4 Aug 2024 08:40:05 +0300 Subject: [PATCH 427/649] clk: qcom: dispcc-sm8250: use CLK_SET_RATE_PARENT for branch clocks [ Upstream commit 0e93c6320ecde0583de09f3fe801ce8822886fec ] Add CLK_SET_RATE_PARENT for several branch clocks. Such clocks don't have a way to change the rate, so set the parent rate instead. Fixes: 80a18f4a8567 ("clk: qcom: Add display clock controller driver for SM8150 and SM8250") Cc: stable@vger.kernel.org Signed-off-by: Dmitry Baryshkov Link: https://lore.kernel.org/r/20240804-sm8350-fixes-v1-1-1149dd8399fe@linaro.org Signed-off-by: Bjorn Andersson Signed-off-by: Sasha Levin --- drivers/clk/qcom/dispcc-sm8250.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/drivers/clk/qcom/dispcc-sm8250.c b/drivers/clk/qcom/dispcc-sm8250.c index 07a98d3f882d..bbdd27946bf1 100644 --- a/drivers/clk/qcom/dispcc-sm8250.c +++ b/drivers/clk/qcom/dispcc-sm8250.c @@ -665,6 +665,7 @@ static struct clk_branch disp_cc_mdss_dp_link1_intf_clk = { .hw = &disp_cc_mdss_dp_link1_div_clk_src.clkr.hw, }, .num_parents = 1, + .flags = CLK_SET_RATE_PARENT, .ops = &clk_branch2_ops, }, }, @@ -700,6 +701,7 @@ static struct clk_branch disp_cc_mdss_dp_link_intf_clk = { .hw = &disp_cc_mdss_dp_link_div_clk_src.clkr.hw, }, .num_parents = 1, + .flags = CLK_SET_RATE_PARENT, .ops = &clk_branch2_ops, }, }, @@ -825,6 +827,7 @@ static struct clk_branch disp_cc_mdss_mdp_lut_clk = { .hw = &disp_cc_mdss_mdp_clk_src.clkr.hw, }, .num_parents = 1, + .flags = CLK_SET_RATE_PARENT, .ops = &clk_branch2_ops, }, }, From 238d5c541e7f16631b493fff57f8ad8181ededc3 Mon Sep 17 00:00:00 2001 From: Colin Ian King Date: Mon, 9 Sep 2024 15:00:21 +0100 Subject: [PATCH 428/649] r8169: Fix spelling mistake: "tx_underun" -> "tx_underrun" [ Upstream commit 8df9439389a44fb2cc4ef695e08d6a8870b1616c ] There is a spelling mistake in the struct field tx_underun, rename it to tx_underrun. Signed-off-by: Colin Ian King Reviewed-by: Simon Horman Reviewed-by: Heiner Kallweit Link: https://patch.msgid.link/20240909140021.64884-1-colin.i.king@gmail.com Signed-off-by: Jakub Kicinski Stable-dep-of: ced8e8b8f40a ("r8169: add tally counter fields added with RTL8125") Signed-off-by: Sasha Levin --- drivers/net/ethernet/realtek/r8169_main.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/net/ethernet/realtek/r8169_main.c b/drivers/net/ethernet/realtek/r8169_main.c index 4c588fc43eb9..6017682536e0 100644 --- a/drivers/net/ethernet/realtek/r8169_main.c +++ b/drivers/net/ethernet/realtek/r8169_main.c @@ -569,7 +569,7 @@ struct rtl8169_counters { __le64 rx_broadcast; __le32 rx_multicast; __le16 tx_aborted; - __le16 tx_underun; + __le16 tx_underrun; }; struct rtl8169_tc_offsets { @@ -1670,7 +1670,7 @@ static void rtl8169_get_ethtool_stats(struct net_device *dev, data[9] = le64_to_cpu(counters->rx_broadcast); data[10] = le32_to_cpu(counters->rx_multicast); data[11] = le16_to_cpu(counters->tx_aborted); - data[12] = le16_to_cpu(counters->tx_underun); + data[12] = le16_to_cpu(counters->tx_underrun); } static void rtl8169_get_strings(struct net_device *dev, u32 stringset, u8 *data) From 991e8b0bab669b7d06927c3e442b3352532e8581 Mon Sep 17 00:00:00 2001 From: Heiner Kallweit Date: Tue, 17 Sep 2024 23:04:46 +0200 Subject: [PATCH 429/649] r8169: add tally counter fields added with RTL8125 [ Upstream commit ced8e8b8f40accfcce4a2bbd8b150aa76d5eff9a ] RTL8125 added fields to the tally counter, what may result in the chip dma'ing these new fields to unallocated memory. Therefore make sure that the allocated memory area is big enough to hold all of the tally counter values, even if we use only parts of it. Fixes: f1bce4ad2f1c ("r8169: add support for RTL8125") Cc: stable@vger.kernel.org Signed-off-by: Heiner Kallweit Reviewed-by: Simon Horman Link: https://patch.msgid.link/741d26a9-2b2b-485d-91d9-ecb302e345b5@gmail.com Signed-off-by: Paolo Abeni Signed-off-by: Sasha Levin --- drivers/net/ethernet/realtek/r8169_main.c | 27 +++++++++++++++++++++++ 1 file changed, 27 insertions(+) diff --git a/drivers/net/ethernet/realtek/r8169_main.c b/drivers/net/ethernet/realtek/r8169_main.c index 6017682536e0..e9296d63450d 100644 --- a/drivers/net/ethernet/realtek/r8169_main.c +++ b/drivers/net/ethernet/realtek/r8169_main.c @@ -570,6 +570,33 @@ struct rtl8169_counters { __le32 rx_multicast; __le16 tx_aborted; __le16 tx_underrun; + /* new since RTL8125 */ + __le64 tx_octets; + __le64 rx_octets; + __le64 rx_multicast64; + __le64 tx_unicast64; + __le64 tx_broadcast64; + __le64 tx_multicast64; + __le32 tx_pause_on; + __le32 tx_pause_off; + __le32 tx_pause_all; + __le32 tx_deferred; + __le32 tx_late_collision; + __le32 tx_all_collision; + __le32 tx_aborted32; + __le32 align_errors32; + __le32 rx_frame_too_long; + __le32 rx_runt; + __le32 rx_pause_on; + __le32 rx_pause_off; + __le32 rx_pause_all; + __le32 rx_unknown_opcode; + __le32 rx_mac_error; + __le32 tx_underrun32; + __le32 rx_mac_missed; + __le32 rx_tcam_dropped; + __le32 tdu; + __le32 rdu; }; struct rtl8169_tc_offsets { From 20557232c91adf2fd10b6abfc148ce9218af73e0 Mon Sep 17 00:00:00 2001 From: Armin Wolf Date: Tue, 1 Oct 2024 23:28:33 +0200 Subject: [PATCH 430/649] ACPI: battery: Simplify battery hook locking MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit [ Upstream commit 86309cbed26139e1caae7629dcca1027d9a28e75 ] Move the conditional locking from __battery_hook_unregister() into battery_hook_unregister() and rename the low-level function to simplify the locking during battery hook removal. Reviewed-by: Ilpo Järvinen Reviewed-by: Pali Rohár Signed-off-by: Armin Wolf Link: https://patch.msgid.link/20241001212835.341788-2-W_Armin@gmx.de Signed-off-by: Rafael J. Wysocki Stable-dep-of: 76959aff14a0 ("ACPI: battery: Fix possible crash when unregistering a battery hook") Signed-off-by: Sasha Levin --- drivers/acpi/battery.c | 18 +++++++++--------- 1 file changed, 9 insertions(+), 9 deletions(-) diff --git a/drivers/acpi/battery.c b/drivers/acpi/battery.c index 2e1462b8929c..6d6ad6be58f4 100644 --- a/drivers/acpi/battery.c +++ b/drivers/acpi/battery.c @@ -695,27 +695,27 @@ static LIST_HEAD(acpi_battery_list); static LIST_HEAD(battery_hook_list); static DEFINE_MUTEX(hook_mutex); -static void __battery_hook_unregister(struct acpi_battery_hook *hook, int lock) +static void battery_hook_unregister_unlocked(struct acpi_battery_hook *hook) { struct acpi_battery *battery; + /* * In order to remove a hook, we first need to * de-register all the batteries that are registered. */ - if (lock) - mutex_lock(&hook_mutex); list_for_each_entry(battery, &acpi_battery_list, list) { hook->remove_battery(battery->bat); } list_del(&hook->list); - if (lock) - mutex_unlock(&hook_mutex); + pr_info("extension unregistered: %s\n", hook->name); } void battery_hook_unregister(struct acpi_battery_hook *hook) { - __battery_hook_unregister(hook, 1); + mutex_lock(&hook_mutex); + battery_hook_unregister_unlocked(hook); + mutex_unlock(&hook_mutex); } EXPORT_SYMBOL_GPL(battery_hook_unregister); @@ -741,7 +741,7 @@ void battery_hook_register(struct acpi_battery_hook *hook) * hooks. */ pr_err("extension failed to load: %s", hook->name); - __battery_hook_unregister(hook, 0); + battery_hook_unregister_unlocked(hook); goto end; } } @@ -778,7 +778,7 @@ static void battery_hook_add_battery(struct acpi_battery *battery) */ pr_err("error in extension, unloading: %s", hook_node->name); - __battery_hook_unregister(hook_node, 0); + battery_hook_unregister_unlocked(hook_node); } } mutex_unlock(&hook_mutex); @@ -811,7 +811,7 @@ static void __exit battery_hook_exit(void) * need to remove the hooks. */ list_for_each_entry_safe(hook, ptr, &battery_hook_list, list) { - __battery_hook_unregister(hook, 1); + battery_hook_unregister(hook); } mutex_destroy(&hook_mutex); } From 411e2e1d0132a6d27185b4a5a6f9eb4afd2ed3c3 Mon Sep 17 00:00:00 2001 From: Hugh Cole-Baker Date: Tue, 19 Oct 2021 22:58:42 +0100 Subject: [PATCH 431/649] drm/rockchip: support gamma control on RK3399 MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit [ Upstream commit 7ae7a6211fe7251543796d5af971acb8c9e2da9e ] The RK3399 has a 1024-entry gamma LUT with 10 bits per component on its "big" VOP and a 256-entry, 8 bit per component LUT on the "little" VOP. Compared to the RK3288, it no longer requires disabling gamma while updating the LUT. On the RK3399, the LUT can be updated at any time as the hardware has two LUT buffers, one can be written while the other is in use. A swap of the buffers is triggered by writing 1 to the update_gamma_lut register. Signed-off-by: Hugh Cole-Baker Tested-by: "Milan P. Stanić" Tested-by: Linus Heckemann Signed-off-by: Heiko Stuebner Link: https://patchwork.freedesktop.org/patch/msgid/20211019215843.42718-3-sigmaris@gmail.com Stable-dep-of: 6b44aa559d6c ("drm/rockchip: vop: clear DMA stop bit on RK3066") Signed-off-by: Sasha Levin --- drivers/gpu/drm/rockchip/rockchip_drm_vop.c | 105 +++++++++++++------- 1 file changed, 71 insertions(+), 34 deletions(-) diff --git a/drivers/gpu/drm/rockchip/rockchip_drm_vop.c b/drivers/gpu/drm/rockchip/rockchip_drm_vop.c index d4a3170d1678..18ee781ddb79 100644 --- a/drivers/gpu/drm/rockchip/rockchip_drm_vop.c +++ b/drivers/gpu/drm/rockchip/rockchip_drm_vop.c @@ -9,6 +9,7 @@ #include #include #include +#include #include #include #include @@ -65,6 +66,9 @@ #define VOP_REG_SET(vop, group, name, v) \ vop_reg_set(vop, &vop->data->group->name, 0, ~0, v, #name) +#define VOP_HAS_REG(vop, group, name) \ + (!!(vop->data->group->name.mask)) + #define VOP_INTR_SET_TYPE(vop, name, type, v) \ do { \ int i, reg = 0, mask = 0; \ @@ -1200,17 +1204,22 @@ static bool vop_dsp_lut_is_enabled(struct vop *vop) return vop_read_reg(vop, 0, &vop->data->common->dsp_lut_en); } +static u32 vop_lut_buffer_index(struct vop *vop) +{ + return vop_read_reg(vop, 0, &vop->data->common->lut_buffer_index); +} + static void vop_crtc_write_gamma_lut(struct vop *vop, struct drm_crtc *crtc) { struct drm_color_lut *lut = crtc->state->gamma_lut->data; - unsigned int i; + unsigned int i, bpc = ilog2(vop->data->lut_size); for (i = 0; i < crtc->gamma_size; i++) { u32 word; - word = (drm_color_lut_extract(lut[i].red, 10) << 20) | - (drm_color_lut_extract(lut[i].green, 10) << 10) | - drm_color_lut_extract(lut[i].blue, 10); + word = (drm_color_lut_extract(lut[i].red, bpc) << (2 * bpc)) | + (drm_color_lut_extract(lut[i].green, bpc) << bpc) | + drm_color_lut_extract(lut[i].blue, bpc); writel(word, vop->lut_regs + i * 4); } } @@ -1220,38 +1229,66 @@ static void vop_crtc_gamma_set(struct vop *vop, struct drm_crtc *crtc, { struct drm_crtc_state *state = crtc->state; unsigned int idle; + u32 lut_idx, old_idx; int ret; if (!vop->lut_regs) return; - /* - * To disable gamma (gamma_lut is null) or to write - * an update to the LUT, clear dsp_lut_en. - */ - spin_lock(&vop->reg_lock); - VOP_REG_SET(vop, common, dsp_lut_en, 0); - vop_cfg_done(vop); - spin_unlock(&vop->reg_lock); - /* - * In order to write the LUT to the internal memory, - * we need to first make sure the dsp_lut_en bit is cleared. - */ - ret = readx_poll_timeout(vop_dsp_lut_is_enabled, vop, - idle, !idle, 5, 30 * 1000); - if (ret) { - DRM_DEV_ERROR(vop->dev, "display LUT RAM enable timeout!\n"); - return; + if (!state->gamma_lut || !VOP_HAS_REG(vop, common, update_gamma_lut)) { + /* + * To disable gamma (gamma_lut is null) or to write + * an update to the LUT, clear dsp_lut_en. + */ + spin_lock(&vop->reg_lock); + VOP_REG_SET(vop, common, dsp_lut_en, 0); + vop_cfg_done(vop); + spin_unlock(&vop->reg_lock); + + /* + * In order to write the LUT to the internal memory, + * we need to first make sure the dsp_lut_en bit is cleared. + */ + ret = readx_poll_timeout(vop_dsp_lut_is_enabled, vop, + idle, !idle, 5, 30 * 1000); + if (ret) { + DRM_DEV_ERROR(vop->dev, "display LUT RAM enable timeout!\n"); + return; + } + + if (!state->gamma_lut) + return; + } else { + /* + * On RK3399 the gamma LUT can updated without clearing dsp_lut_en, + * by setting update_gamma_lut then waiting for lut_buffer_index change + */ + old_idx = vop_lut_buffer_index(vop); } - if (!state->gamma_lut) - return; - spin_lock(&vop->reg_lock); vop_crtc_write_gamma_lut(vop, crtc); VOP_REG_SET(vop, common, dsp_lut_en, 1); + VOP_REG_SET(vop, common, update_gamma_lut, 1); vop_cfg_done(vop); spin_unlock(&vop->reg_lock); + + if (VOP_HAS_REG(vop, common, update_gamma_lut)) { + ret = readx_poll_timeout(vop_lut_buffer_index, vop, + lut_idx, lut_idx != old_idx, 5, 30 * 1000); + if (ret) { + DRM_DEV_ERROR(vop->dev, "gamma LUT update timeout!\n"); + return; + } + + /* + * update_gamma_lut is auto cleared by HW, but write 0 to clear the bit + * in our backup of the regs. + */ + spin_lock(&vop->reg_lock); + VOP_REG_SET(vop, common, update_gamma_lut, 0); + spin_unlock(&vop->reg_lock); + } } static void vop_crtc_atomic_begin(struct drm_crtc *crtc, @@ -1295,14 +1332,6 @@ static void vop_crtc_atomic_enable(struct drm_crtc *crtc, return; } - /* - * If we have a GAMMA LUT in the state, then let's make sure - * it's updated. We might be coming out of suspend, - * which means the LUT internal memory needs to be re-written. - */ - if (crtc->state->gamma_lut) - vop_crtc_gamma_set(vop, crtc, old_state); - mutex_lock(&vop->vop_lock); WARN_ON(vop->event); @@ -1393,6 +1422,14 @@ static void vop_crtc_atomic_enable(struct drm_crtc *crtc, VOP_REG_SET(vop, common, standby, 0); mutex_unlock(&vop->vop_lock); + + /* + * If we have a GAMMA LUT in the state, then let's make sure + * it's updated. We might be coming out of suspend, + * which means the LUT internal memory needs to be re-written. + */ + if (crtc->state->gamma_lut) + vop_crtc_gamma_set(vop, crtc, old_state); } static bool vop_fs_irq_is_pending(struct vop *vop) @@ -2119,8 +2156,8 @@ static int vop_bind(struct device *dev, struct device *master, void *data) res = platform_get_resource(pdev, IORESOURCE_MEM, 1); if (res) { - if (!vop_data->lut_size) { - DRM_DEV_ERROR(dev, "no gamma LUT size defined\n"); + if (vop_data->lut_size != 1024 && vop_data->lut_size != 256) { + DRM_DEV_ERROR(dev, "unsupported gamma LUT size %d\n", vop_data->lut_size); return -EINVAL; } vop->lut_regs = devm_ioremap_resource(dev, res); From da964de4c18199e14b961b5b2e5e6570552a313c Mon Sep 17 00:00:00 2001 From: Armin Wolf Date: Tue, 1 Oct 2024 23:28:34 +0200 Subject: [PATCH 432/649] ACPI: battery: Fix possible crash when unregistering a battery hook [ Upstream commit 76959aff14a0012ad6b984ec7686d163deccdc16 ] When a battery hook returns an error when adding a new battery, then the battery hook is automatically unregistered. However the battery hook provider cannot know that, so it will later call battery_hook_unregister() on the already unregistered battery hook, resulting in a crash. Fix this by using the list head to mark already unregistered battery hooks as already being unregistered so that they can be ignored by battery_hook_unregister(). Fixes: fa93854f7a7e ("battery: Add the battery hooking API") Signed-off-by: Armin Wolf Link: https://patch.msgid.link/20241001212835.341788-3-W_Armin@gmx.de Cc: All applicable Signed-off-by: Rafael J. Wysocki Signed-off-by: Sasha Levin --- drivers/acpi/battery.c | 12 +++++++++--- 1 file changed, 9 insertions(+), 3 deletions(-) diff --git a/drivers/acpi/battery.c b/drivers/acpi/battery.c index 6d6ad6be58f4..f9fb092f33a2 100644 --- a/drivers/acpi/battery.c +++ b/drivers/acpi/battery.c @@ -706,7 +706,7 @@ static void battery_hook_unregister_unlocked(struct acpi_battery_hook *hook) list_for_each_entry(battery, &acpi_battery_list, list) { hook->remove_battery(battery->bat); } - list_del(&hook->list); + list_del_init(&hook->list); pr_info("extension unregistered: %s\n", hook->name); } @@ -714,7 +714,14 @@ static void battery_hook_unregister_unlocked(struct acpi_battery_hook *hook) void battery_hook_unregister(struct acpi_battery_hook *hook) { mutex_lock(&hook_mutex); - battery_hook_unregister_unlocked(hook); + /* + * Ignore already unregistered battery hooks. This might happen + * if a battery hook was previously unloaded due to an error when + * adding a new battery. + */ + if (!list_empty(&hook->list)) + battery_hook_unregister_unlocked(hook); + mutex_unlock(&hook_mutex); } EXPORT_SYMBOL_GPL(battery_hook_unregister); @@ -724,7 +731,6 @@ void battery_hook_register(struct acpi_battery_hook *hook) struct acpi_battery *battery; mutex_lock(&hook_mutex); - INIT_LIST_HEAD(&hook->list); list_add(&hook->list, &battery_hook_list); /* * Now that the driver is registered, we need From 570e257621be57c0270d642e8bd508893b67441f Mon Sep 17 00:00:00 2001 From: Val Packett Date: Mon, 24 Jun 2024 17:40:48 -0300 Subject: [PATCH 433/649] drm/rockchip: vop: clear DMA stop bit on RK3066 [ Upstream commit 6b44aa559d6c7f4ea591ef9d2352a7250138d62a ] The RK3066 VOP sets a dma_stop bit when it's done scanning out a frame and needs the driver to acknowledge that by clearing the bit. Unless we clear it "between" frames, the RGB output only shows noise instead of the picture. atomic_flush is the place for it that least affects other code (doing it on vblank would require converting all other usages of the reg_lock to spin_(un)lock_irq, which would affect performance for everyone). This seems to be a redundant synchronization mechanism that was removed in later iterations of the VOP hardware block. Fixes: f4a6de855eae ("drm: rockchip: vop: add rk3066 vop definitions") Cc: stable@vger.kernel.org Signed-off-by: Val Packett Signed-off-by: Heiko Stuebner Link: https://patchwork.freedesktop.org/patch/msgid/20240624204054.5524-2-val@packett.cool Signed-off-by: Sasha Levin --- drivers/gpu/drm/rockchip/rockchip_drm_vop.c | 4 ++++ drivers/gpu/drm/rockchip/rockchip_drm_vop.h | 1 + drivers/gpu/drm/rockchip/rockchip_vop_reg.c | 1 + 3 files changed, 6 insertions(+) diff --git a/drivers/gpu/drm/rockchip/rockchip_drm_vop.c b/drivers/gpu/drm/rockchip/rockchip_drm_vop.c index 18ee781ddb79..b4517e338f5e 100644 --- a/drivers/gpu/drm/rockchip/rockchip_drm_vop.c +++ b/drivers/gpu/drm/rockchip/rockchip_drm_vop.c @@ -1523,6 +1523,10 @@ static void vop_crtc_atomic_flush(struct drm_crtc *crtc, VOP_AFBC_SET(vop, enable, s->enable_afbc); vop_cfg_done(vop); + /* Ack the DMA transfer of the previous frame (RK3066). */ + if (VOP_HAS_REG(vop, common, dma_stop)) + VOP_REG_SET(vop, common, dma_stop, 0); + spin_unlock(&vop->reg_lock); /* diff --git a/drivers/gpu/drm/rockchip/rockchip_drm_vop.h b/drivers/gpu/drm/rockchip/rockchip_drm_vop.h index 14179e89bd21..32d1783be01d 100644 --- a/drivers/gpu/drm/rockchip/rockchip_drm_vop.h +++ b/drivers/gpu/drm/rockchip/rockchip_drm_vop.h @@ -103,6 +103,7 @@ struct vop_common { struct vop_reg lut_buffer_index; struct vop_reg gate_en; struct vop_reg mmu_en; + struct vop_reg dma_stop; struct vop_reg out_mode; struct vop_reg standby; }; diff --git a/drivers/gpu/drm/rockchip/rockchip_vop_reg.c b/drivers/gpu/drm/rockchip/rockchip_vop_reg.c index 310746468ff3..b43b684bee86 100644 --- a/drivers/gpu/drm/rockchip/rockchip_vop_reg.c +++ b/drivers/gpu/drm/rockchip/rockchip_vop_reg.c @@ -401,6 +401,7 @@ static const struct vop_output rk3066_output = { }; static const struct vop_common rk3066_common = { + .dma_stop = VOP_REG(RK3066_SYS_CTRL0, 0x1, 0), .standby = VOP_REG(RK3066_SYS_CTRL0, 0x1, 1), .out_mode = VOP_REG(RK3066_DSP_CTRL0, 0xf, 0), .cfg_done = VOP_REG(RK3066_REG_CFG_DONE, 0x1, 0), From 2f6da71e9de88719ef697bc6298a722264d27c8e Mon Sep 17 00:00:00 2001 From: zhanchengbin Date: Tue, 3 Jan 2023 10:28:12 +0800 Subject: [PATCH 434/649] ext4: fix inode tree inconsistency caused by ENOMEM commit 3f5424790d4377839093b68c12b130077a4e4510 upstream. If ENOMEM fails when the extent is splitting, we need to restore the length of the split extent. In the ext4_split_extent_at function, only in ext4_ext_create_new_leaf will it alloc memory and change the shape of the extent tree,even if an ENOMEM is returned at this time, the extent tree is still self-consistent, Just restore the split extent lens in the function ext4_split_extent_at. ext4_split_extent_at ext4_ext_insert_extent ext4_ext_create_new_leaf 1)ext4_ext_split ext4_find_extent 2)ext4_ext_grow_indepth ext4_find_extent Signed-off-by: zhanchengbin Reviewed-by: Jan Kara Link: https://lore.kernel.org/r/20230103022812.130603-1-zhanchengbin1@huawei.com Signed-off-by: Theodore Ts'o Cc: Baokun Li Signed-off-by: Greg Kroah-Hartman --- fs/ext4/extents.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/fs/ext4/extents.c b/fs/ext4/extents.c index 43b8ed90c219..ffdc68b11c01 100644 --- a/fs/ext4/extents.c +++ b/fs/ext4/extents.c @@ -3227,7 +3227,7 @@ static int ext4_split_extent_at(handle_t *handle, ext4_ext_mark_unwritten(ex2); err = ext4_ext_insert_extent(handle, inode, ppath, &newex, flags); - if (err != -ENOSPC && err != -EDQUOT) + if (err != -ENOSPC && err != -EDQUOT && err != -ENOMEM) goto out; /* From 6592347f06e2b19a624270a85ad4b3ae48c3b241 Mon Sep 17 00:00:00 2001 From: Haoran Zhang Date: Tue, 1 Oct 2024 15:14:15 -0500 Subject: [PATCH 435/649] vhost/scsi: null-ptr-dereference in vhost_scsi_get_req() commit 221af82f606d928ccef19a16d35633c63026f1be upstream. Since commit 3f8ca2e115e5 ("vhost/scsi: Extract common handling code from control queue handler") a null pointer dereference bug can be triggered when guest sends an SCSI AN request. In vhost_scsi_ctl_handle_vq(), `vc.target` is assigned with `&v_req.tmf.lun[1]` within a switch-case block and is then passed to vhost_scsi_get_req() which extracts `vc->req` and `tpg`. However, for a `VIRTIO_SCSI_T_AN_*` request, tpg is not required, so `vc.target` is set to NULL in this branch. Later, in vhost_scsi_get_req(), `vc->target` is dereferenced without being checked, leading to a null pointer dereference bug. This bug can be triggered from guest. When this bug occurs, the vhost_worker process is killed while holding `vq->mutex` and the corresponding tpg will remain occupied indefinitely. Below is the KASAN report: Oops: general protection fault, probably for non-canonical address 0xdffffc0000000000: 0000 [#1] PREEMPT SMP KASAN NOPTI KASAN: null-ptr-deref in range [0x0000000000000000-0x0000000000000007] CPU: 1 PID: 840 Comm: poc Not tainted 6.10.0+ #1 Hardware name: QEMU Ubuntu 24.04 PC (i440FX + PIIX, 1996), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 RIP: 0010:vhost_scsi_get_req+0x165/0x3a0 Code: 00 fc ff df 48 89 fa 48 c1 ea 03 80 3c 02 00 0f 85 2b 02 00 00 48 b8 00 00 00 00 00 fc ff df 4d 8b 65 30 4c 89 e2 48 c1 ea 03 <0f> b6 04 02 4c 89 e2 83 e2 07 38 d0 7f 08 84 c0 0f 85 be 01 00 00 RSP: 0018:ffff888017affb50 EFLAGS: 00010246 RAX: dffffc0000000000 RBX: ffff88801b000000 RCX: 0000000000000000 RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff888017affcb8 RBP: ffff888017affb80 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 R13: ffff888017affc88 R14: ffff888017affd1c R15: ffff888017993000 FS: 000055556e076500(0000) GS:ffff88806b100000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00000000200027c0 CR3: 0000000010ed0004 CR4: 0000000000370ef0 Call Trace: ? show_regs+0x86/0xa0 ? die_addr+0x4b/0xd0 ? exc_general_protection+0x163/0x260 ? asm_exc_general_protection+0x27/0x30 ? vhost_scsi_get_req+0x165/0x3a0 vhost_scsi_ctl_handle_vq+0x2a4/0xca0 ? __pfx_vhost_scsi_ctl_handle_vq+0x10/0x10 ? __switch_to+0x721/0xeb0 ? __schedule+0xda5/0x5710 ? __kasan_check_write+0x14/0x30 ? _raw_spin_lock+0x82/0xf0 vhost_scsi_ctl_handle_kick+0x52/0x90 vhost_run_work_list+0x134/0x1b0 vhost_task_fn+0x121/0x350 ... ---[ end trace 0000000000000000 ]--- Let's add a check in vhost_scsi_get_req. Fixes: 3f8ca2e115e5 ("vhost/scsi: Extract common handling code from control queue handler") Signed-off-by: Haoran Zhang [whitespace fixes] Signed-off-by: Mike Christie Message-Id: Signed-off-by: Michael S. Tsirkin Signed-off-by: Greg Kroah-Hartman --- drivers/vhost/scsi.c | 25 ++++++++++++++----------- 1 file changed, 14 insertions(+), 11 deletions(-) diff --git a/drivers/vhost/scsi.c b/drivers/vhost/scsi.c index 4ce9f00ae10e..a23a65e7d828 100644 --- a/drivers/vhost/scsi.c +++ b/drivers/vhost/scsi.c @@ -919,20 +919,23 @@ vhost_scsi_get_req(struct vhost_virtqueue *vq, struct vhost_scsi_ctx *vc, /* virtio-scsi spec requires byte 0 of the lun to be 1 */ vq_err(vq, "Illegal virtio-scsi lun: %u\n", *vc->lunp); } else { - struct vhost_scsi_tpg **vs_tpg, *tpg; + struct vhost_scsi_tpg **vs_tpg, *tpg = NULL; - vs_tpg = vhost_vq_get_backend(vq); /* validated at handler entry */ - - tpg = READ_ONCE(vs_tpg[*vc->target]); - if (unlikely(!tpg)) { - vq_err(vq, "Target 0x%x does not exist\n", *vc->target); - } else { - if (tpgp) - *tpgp = tpg; - ret = 0; + if (vc->target) { + /* validated at handler entry */ + vs_tpg = vhost_vq_get_backend(vq); + tpg = READ_ONCE(vs_tpg[*vc->target]); + if (unlikely(!tpg)) { + vq_err(vq, "Target 0x%x does not exist\n", *vc->target); + goto out; + } } - } + if (tpgp) + *tpgp = tpg; + ret = 0; + } +out: return ret; } From 39fffca572844d733b137a0ff9eacd67b9b0c8e3 Mon Sep 17 00:00:00 2001 From: Gabriel Krisman Bertazi Date: Tue, 8 Oct 2024 18:43:16 -0400 Subject: [PATCH 436/649] unicode: Don't special case ignorable code points commit 5c26d2f1d3f5e4be3e196526bead29ecb139cf91 upstream. We don't need to handle them separately. Instead, just let them decompose/casefold to themselves. Signed-off-by: Gabriel Krisman Bertazi Signed-off-by: Greg Kroah-Hartman --- fs/unicode/mkutf8data.c | 70 - fs/unicode/utf8data.h_shipped | 6703 ++++++++++++++++----------------- 2 files changed, 3346 insertions(+), 3427 deletions(-) diff --git a/fs/unicode/mkutf8data.c b/fs/unicode/mkutf8data.c index ff2025ac5a32..b9c8d0164380 100644 --- a/fs/unicode/mkutf8data.c +++ b/fs/unicode/mkutf8data.c @@ -2230,75 +2230,6 @@ static void nfdicf_init(void) file_fail(fold_name); } -static void ignore_init(void) -{ - FILE *file; - unsigned int unichar; - unsigned int first; - unsigned int last; - unsigned int *um; - int count; - int ret; - - if (verbose > 0) - printf("Parsing %s\n", prop_name); - file = fopen(prop_name, "r"); - if (!file) - open_fail(prop_name, errno); - assert(file); - count = 0; - while (fgets(line, LINESIZE, file)) { - ret = sscanf(line, "%X..%X ; %s # ", &first, &last, buf0); - if (ret == 3) { - if (strcmp(buf0, "Default_Ignorable_Code_Point")) - continue; - if (!utf32valid(first) || !utf32valid(last)) - line_fail(prop_name, line); - for (unichar = first; unichar <= last; unichar++) { - free(unicode_data[unichar].utf32nfdi); - um = malloc(sizeof(unsigned int)); - *um = 0; - unicode_data[unichar].utf32nfdi = um; - free(unicode_data[unichar].utf32nfdicf); - um = malloc(sizeof(unsigned int)); - *um = 0; - unicode_data[unichar].utf32nfdicf = um; - count++; - } - if (verbose > 1) - printf(" %X..%X Default_Ignorable_Code_Point\n", - first, last); - continue; - } - ret = sscanf(line, "%X ; %s # ", &unichar, buf0); - if (ret == 2) { - if (strcmp(buf0, "Default_Ignorable_Code_Point")) - continue; - if (!utf32valid(unichar)) - line_fail(prop_name, line); - free(unicode_data[unichar].utf32nfdi); - um = malloc(sizeof(unsigned int)); - *um = 0; - unicode_data[unichar].utf32nfdi = um; - free(unicode_data[unichar].utf32nfdicf); - um = malloc(sizeof(unsigned int)); - *um = 0; - unicode_data[unichar].utf32nfdicf = um; - if (verbose > 1) - printf(" %X Default_Ignorable_Code_Point\n", - unichar); - count++; - continue; - } - } - fclose(file); - - if (verbose > 0) - printf("Found %d entries\n", count); - if (count == 0) - file_fail(prop_name); -} - static void corrections_init(void) { FILE *file; @@ -3396,7 +3327,6 @@ int main(int argc, char *argv[]) ccc_init(); nfdi_init(); nfdicf_init(); - ignore_init(); corrections_init(); hangul_decompose(); nfdi_decompose(); diff --git a/fs/unicode/utf8data.h_shipped b/fs/unicode/utf8data.h_shipped index 76e4f0e1b089..205d99312c10 100644 --- a/fs/unicode/utf8data.h_shipped +++ b/fs/unicode/utf8data.h_shipped @@ -83,58 +83,58 @@ static const struct utf8data utf8nfdidata[] = { { 0xc0100, 20736 } }; -static const unsigned char utf8data[64256] = { +static const unsigned char utf8data[64080] = { /* nfdicf_30100 */ - 0xd7,0x07,0x66,0x84,0x0c,0x01,0x00,0xc6,0xd5,0x16,0xe4,0x99,0x1a,0xe3,0x63,0x15, - 0xe2,0x4c,0x0e,0xc1,0xe0,0x4e,0x0d,0xcf,0x86,0x65,0x2d,0x0d,0x01,0x00,0xd4,0xb8, - 0xd3,0x27,0xe2,0x89,0xa3,0xe1,0xce,0x35,0xe0,0x2c,0x22,0xcf,0x86,0xc5,0xe4,0x15, - 0x6d,0xe3,0x60,0x68,0xe2,0xf6,0x65,0xe1,0x29,0x65,0xe0,0xee,0x64,0xcf,0x86,0xe5, - 0xb3,0x64,0x64,0x96,0x64,0x0b,0x00,0xd2,0x0e,0xe1,0xb5,0x3c,0xe0,0xba,0xa3,0xcf, - 0x86,0xcf,0x06,0x01,0x00,0xd1,0x0c,0xe0,0x1e,0xa9,0xcf,0x86,0xcf,0x06,0x02,0xff, + 0xd7,0x07,0x66,0x84,0x0c,0x01,0x00,0xc6,0xd5,0x16,0xe4,0x96,0x1a,0xe3,0x60,0x15, + 0xe2,0x49,0x0e,0xc1,0xe0,0x4b,0x0d,0xcf,0x86,0x65,0x2d,0x0d,0x01,0x00,0xd4,0xb8, + 0xd3,0x27,0xe2,0x03,0xa3,0xe1,0xcb,0x35,0xe0,0x29,0x22,0xcf,0x86,0xc5,0xe4,0xfa, + 0x6c,0xe3,0x45,0x68,0xe2,0xdb,0x65,0xe1,0x0e,0x65,0xe0,0xd3,0x64,0xcf,0x86,0xe5, + 0x98,0x64,0x64,0x7b,0x64,0x0b,0x00,0xd2,0x0e,0xe1,0xb3,0x3c,0xe0,0x34,0xa3,0xcf, + 0x86,0xcf,0x06,0x01,0x00,0xd1,0x0c,0xe0,0x98,0xa8,0xcf,0x86,0xcf,0x06,0x02,0xff, 0xff,0xd0,0x08,0xcf,0x86,0xcf,0x06,0x01,0x00,0xcf,0x86,0xd5,0x06,0xcf,0x06,0x01, - 0x00,0xe4,0xe1,0x45,0xe3,0x3b,0x45,0xd2,0x06,0xcf,0x06,0x01,0x00,0xe1,0x87,0xad, - 0xd0,0x21,0xcf,0x86,0xe5,0x81,0xaa,0xe4,0x00,0xaa,0xe3,0xbf,0xa9,0xe2,0x9e,0xa9, - 0xe1,0x8d,0xa9,0x10,0x08,0x01,0xff,0xe8,0xb1,0x88,0x00,0x01,0xff,0xe6,0x9b,0xb4, - 0x00,0xcf,0x86,0xe5,0x63,0xac,0xd4,0x19,0xe3,0xa2,0xab,0xe2,0x81,0xab,0xe1,0x70, - 0xab,0x10,0x08,0x01,0xff,0xe9,0xb9,0xbf,0x00,0x01,0xff,0xe8,0xab,0x96,0x00,0xe3, - 0x09,0xac,0xe2,0xe8,0xab,0xe1,0xd7,0xab,0x10,0x08,0x01,0xff,0xe7,0xb8,0xb7,0x00, - 0x01,0xff,0xe9,0x9b,0xbb,0x00,0x83,0xe2,0x19,0xfa,0xe1,0xf2,0xf6,0xe0,0x6f,0xf5, - 0xcf,0x86,0xd5,0x31,0xc4,0xe3,0x54,0x4e,0xe2,0xf5,0x4c,0xe1,0xa4,0xcc,0xe0,0x9c, - 0x4b,0xcf,0x86,0xe5,0x8e,0x49,0xe4,0xaf,0x46,0xe3,0x11,0xbd,0xe2,0x68,0xbc,0xe1, - 0x43,0xbc,0xe0,0x1c,0xbc,0xcf,0x86,0xe5,0xe9,0xbb,0x94,0x07,0x63,0xd4,0xbb,0x07, - 0x00,0x07,0x00,0xe4,0xdb,0xf4,0xd3,0x08,0xcf,0x86,0xcf,0x06,0x05,0x00,0xd2,0x0b, - 0xe1,0xea,0xe1,0xcf,0x86,0xcf,0x06,0x05,0x00,0xd1,0x0e,0xe0,0xd9,0xe2,0xcf,0x86, - 0xe5,0x9e,0xe2,0xcf,0x06,0x11,0x00,0xd0,0x0b,0xcf,0x86,0xe5,0xd9,0xe2,0xcf,0x06, - 0x13,0x00,0xcf,0x86,0xd5,0x06,0xcf,0x06,0x00,0x00,0xe4,0x74,0xf4,0xe3,0x5d,0xf3, - 0xd2,0xa0,0xe1,0x13,0xe7,0xd0,0x21,0xcf,0x86,0xe5,0x14,0xe4,0xe4,0x90,0xe3,0xe3, - 0x4e,0xe3,0xe2,0x2d,0xe3,0xe1,0x1b,0xe3,0x10,0x08,0x05,0xff,0xe4,0xb8,0xbd,0x00, - 0x05,0xff,0xe4,0xb8,0xb8,0x00,0xcf,0x86,0xd5,0x1c,0xe4,0x70,0xe5,0xe3,0x2f,0xe5, - 0xe2,0x0e,0xe5,0xe1,0xfd,0xe4,0x10,0x08,0x05,0xff,0xe5,0x92,0xa2,0x00,0x05,0xff, - 0xe5,0x93,0xb6,0x00,0xd4,0x34,0xd3,0x18,0xe2,0xf7,0xe5,0xe1,0xe6,0xe5,0x10,0x09, - 0x05,0xff,0xf0,0xa1,0x9a,0xa8,0x00,0x05,0xff,0xf0,0xa1,0x9b,0xaa,0x00,0xe2,0x17, - 0xe6,0x91,0x11,0x10,0x09,0x05,0xff,0xf0,0xa1,0x8d,0xaa,0x00,0x05,0xff,0xe5,0xac, - 0x88,0x00,0x05,0xff,0xe5,0xac,0xbe,0x00,0xe3,0x5d,0xe6,0xd2,0x14,0xe1,0x2c,0xe6, + 0x00,0xe4,0xdf,0x45,0xe3,0x39,0x45,0xd2,0x06,0xcf,0x06,0x01,0x00,0xe1,0x01,0xad, + 0xd0,0x21,0xcf,0x86,0xe5,0xfb,0xa9,0xe4,0x7a,0xa9,0xe3,0x39,0xa9,0xe2,0x18,0xa9, + 0xe1,0x07,0xa9,0x10,0x08,0x01,0xff,0xe8,0xb1,0x88,0x00,0x01,0xff,0xe6,0x9b,0xb4, + 0x00,0xcf,0x86,0xe5,0xdd,0xab,0xd4,0x19,0xe3,0x1c,0xab,0xe2,0xfb,0xaa,0xe1,0xea, + 0xaa,0x10,0x08,0x01,0xff,0xe9,0xb9,0xbf,0x00,0x01,0xff,0xe8,0xab,0x96,0x00,0xe3, + 0x83,0xab,0xe2,0x62,0xab,0xe1,0x51,0xab,0x10,0x08,0x01,0xff,0xe7,0xb8,0xb7,0x00, + 0x01,0xff,0xe9,0x9b,0xbb,0x00,0x83,0xe2,0x68,0xf9,0xe1,0x52,0xf6,0xe0,0xcf,0xf4, + 0xcf,0x86,0xd5,0x31,0xc4,0xe3,0x51,0x4e,0xe2,0xf2,0x4c,0xe1,0x09,0xcc,0xe0,0x99, + 0x4b,0xcf,0x86,0xe5,0x8b,0x49,0xe4,0xac,0x46,0xe3,0x76,0xbc,0xe2,0xcd,0xbb,0xe1, + 0xa8,0xbb,0xe0,0x81,0xbb,0xcf,0x86,0xe5,0x4e,0xbb,0x94,0x07,0x63,0x39,0xbb,0x07, + 0x00,0x07,0x00,0xe4,0x3b,0xf4,0xd3,0x08,0xcf,0x86,0xcf,0x06,0x05,0x00,0xd2,0x0b, + 0xe1,0x4a,0xe1,0xcf,0x86,0xcf,0x06,0x05,0x00,0xd1,0x0e,0xe0,0x39,0xe2,0xcf,0x86, + 0xe5,0xfe,0xe1,0xcf,0x06,0x11,0x00,0xd0,0x0b,0xcf,0x86,0xe5,0x39,0xe2,0xcf,0x06, + 0x13,0x00,0xcf,0x86,0xd5,0x06,0xcf,0x06,0x00,0x00,0xe4,0xd4,0xf3,0xe3,0xbd,0xf2, + 0xd2,0xa0,0xe1,0x73,0xe6,0xd0,0x21,0xcf,0x86,0xe5,0x74,0xe3,0xe4,0xf0,0xe2,0xe3, + 0xae,0xe2,0xe2,0x8d,0xe2,0xe1,0x7b,0xe2,0x10,0x08,0x05,0xff,0xe4,0xb8,0xbd,0x00, + 0x05,0xff,0xe4,0xb8,0xb8,0x00,0xcf,0x86,0xd5,0x1c,0xe4,0xd0,0xe4,0xe3,0x8f,0xe4, + 0xe2,0x6e,0xe4,0xe1,0x5d,0xe4,0x10,0x08,0x05,0xff,0xe5,0x92,0xa2,0x00,0x05,0xff, + 0xe5,0x93,0xb6,0x00,0xd4,0x34,0xd3,0x18,0xe2,0x57,0xe5,0xe1,0x46,0xe5,0x10,0x09, + 0x05,0xff,0xf0,0xa1,0x9a,0xa8,0x00,0x05,0xff,0xf0,0xa1,0x9b,0xaa,0x00,0xe2,0x77, + 0xe5,0x91,0x11,0x10,0x09,0x05,0xff,0xf0,0xa1,0x8d,0xaa,0x00,0x05,0xff,0xe5,0xac, + 0x88,0x00,0x05,0xff,0xe5,0xac,0xbe,0x00,0xe3,0xbd,0xe5,0xd2,0x14,0xe1,0x8c,0xe5, 0x10,0x08,0x05,0xff,0xe5,0xaf,0xb3,0x00,0x05,0xff,0xf0,0xa1,0xac,0x98,0x00,0xe1, - 0x38,0xe6,0x10,0x08,0x05,0xff,0xe5,0xbc,0xb3,0x00,0x05,0xff,0xe5,0xb0,0xa2,0x00, - 0xd1,0xd5,0xd0,0x6a,0xcf,0x86,0xe5,0x8d,0xeb,0xd4,0x19,0xe3,0xc6,0xea,0xe2,0xa4, - 0xea,0xe1,0x93,0xea,0x10,0x08,0x05,0xff,0xe6,0xb4,0xbe,0x00,0x05,0xff,0xe6,0xb5, - 0xb7,0x00,0xd3,0x18,0xe2,0x10,0xeb,0xe1,0xff,0xea,0x10,0x09,0x05,0xff,0xf0,0xa3, - 0xbd,0x9e,0x00,0x05,0xff,0xf0,0xa3,0xbe,0x8e,0x00,0xd2,0x13,0xe1,0x28,0xeb,0x10, + 0x98,0xe5,0x10,0x08,0x05,0xff,0xe5,0xbc,0xb3,0x00,0x05,0xff,0xe5,0xb0,0xa2,0x00, + 0xd1,0xd5,0xd0,0x6a,0xcf,0x86,0xe5,0xed,0xea,0xd4,0x19,0xe3,0x26,0xea,0xe2,0x04, + 0xea,0xe1,0xf3,0xe9,0x10,0x08,0x05,0xff,0xe6,0xb4,0xbe,0x00,0x05,0xff,0xe6,0xb5, + 0xb7,0x00,0xd3,0x18,0xe2,0x70,0xea,0xe1,0x5f,0xea,0x10,0x09,0x05,0xff,0xf0,0xa3, + 0xbd,0x9e,0x00,0x05,0xff,0xf0,0xa3,0xbe,0x8e,0x00,0xd2,0x13,0xe1,0x88,0xea,0x10, 0x08,0x05,0xff,0xe7,0x81,0xbd,0x00,0x05,0xff,0xe7,0x81,0xb7,0x00,0xd1,0x11,0x10, 0x08,0x05,0xff,0xe7,0x85,0x85,0x00,0x05,0xff,0xf0,0xa4,0x89,0xa3,0x00,0x10,0x08, - 0x05,0xff,0xe7,0x86,0x9c,0x00,0x05,0xff,0xe4,0x8e,0xab,0x00,0xcf,0x86,0xe5,0x2a, - 0xed,0xd4,0x1a,0xe3,0x62,0xec,0xe2,0x48,0xec,0xe1,0x35,0xec,0x10,0x08,0x05,0xff, - 0xe7,0x9b,0xb4,0x00,0x05,0xff,0xf0,0xa5,0x83,0xb3,0x00,0xd3,0x16,0xe2,0xaa,0xec, - 0xe1,0x98,0xec,0x10,0x08,0x05,0xff,0xe7,0xa3,0x8c,0x00,0x05,0xff,0xe4,0x83,0xa3, - 0x00,0xd2,0x13,0xe1,0xc6,0xec,0x10,0x08,0x05,0xff,0xe4,0x84,0xaf,0x00,0x05,0xff, + 0x05,0xff,0xe7,0x86,0x9c,0x00,0x05,0xff,0xe4,0x8e,0xab,0x00,0xcf,0x86,0xe5,0x8a, + 0xec,0xd4,0x1a,0xe3,0xc2,0xeb,0xe2,0xa8,0xeb,0xe1,0x95,0xeb,0x10,0x08,0x05,0xff, + 0xe7,0x9b,0xb4,0x00,0x05,0xff,0xf0,0xa5,0x83,0xb3,0x00,0xd3,0x16,0xe2,0x0a,0xec, + 0xe1,0xf8,0xeb,0x10,0x08,0x05,0xff,0xe7,0xa3,0x8c,0x00,0x05,0xff,0xe4,0x83,0xa3, + 0x00,0xd2,0x13,0xe1,0x26,0xec,0x10,0x08,0x05,0xff,0xe4,0x84,0xaf,0x00,0x05,0xff, 0xe7,0xa9,0x80,0x00,0xd1,0x12,0x10,0x09,0x05,0xff,0xf0,0xa5,0xa5,0xbc,0x00,0x05, 0xff,0xf0,0xa5,0xaa,0xa7,0x00,0x10,0x09,0x05,0xff,0xf0,0xa5,0xaa,0xa7,0x00,0x05, - 0xff,0xe7,0xaa,0xae,0x00,0xe0,0xdc,0xef,0xcf,0x86,0xd5,0x1d,0xe4,0x51,0xee,0xe3, - 0x0d,0xee,0xe2,0xeb,0xed,0xe1,0xda,0xed,0x10,0x09,0x05,0xff,0xf0,0xa3,0x8d,0x9f, - 0x00,0x05,0xff,0xe4,0x8f,0x95,0x00,0xd4,0x19,0xe3,0xf8,0xee,0xe2,0xd4,0xee,0xe1, - 0xc3,0xee,0x10,0x08,0x05,0xff,0xe8,0x8d,0x93,0x00,0x05,0xff,0xe8,0x8f,0x8a,0x00, - 0xd3,0x18,0xe2,0x43,0xef,0xe1,0x32,0xef,0x10,0x09,0x05,0xff,0xf0,0xa6,0xbe,0xb1, - 0x00,0x05,0xff,0xf0,0xa7,0x83,0x92,0x00,0xd2,0x13,0xe1,0x5b,0xef,0x10,0x08,0x05, + 0xff,0xe7,0xaa,0xae,0x00,0xe0,0x3c,0xef,0xcf,0x86,0xd5,0x1d,0xe4,0xb1,0xed,0xe3, + 0x6d,0xed,0xe2,0x4b,0xed,0xe1,0x3a,0xed,0x10,0x09,0x05,0xff,0xf0,0xa3,0x8d,0x9f, + 0x00,0x05,0xff,0xe4,0x8f,0x95,0x00,0xd4,0x19,0xe3,0x58,0xee,0xe2,0x34,0xee,0xe1, + 0x23,0xee,0x10,0x08,0x05,0xff,0xe8,0x8d,0x93,0x00,0x05,0xff,0xe8,0x8f,0x8a,0x00, + 0xd3,0x18,0xe2,0xa3,0xee,0xe1,0x92,0xee,0x10,0x09,0x05,0xff,0xf0,0xa6,0xbe,0xb1, + 0x00,0x05,0xff,0xf0,0xa7,0x83,0x92,0x00,0xd2,0x13,0xe1,0xbb,0xee,0x10,0x08,0x05, 0xff,0xe8,0x9a,0x88,0x00,0x05,0xff,0xe8,0x9c,0x8e,0x00,0xd1,0x10,0x10,0x08,0x05, 0xff,0xe8,0x9c,0xa8,0x00,0x05,0xff,0xe8,0x9d,0xab,0x00,0x10,0x08,0x05,0xff,0xe8, 0x9e,0x86,0x00,0x05,0xff,0xe4,0xb5,0x97,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, @@ -142,152 +142,152 @@ static const unsigned char utf8data[64256] = { 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, /* nfdi_30100 */ - 0x57,0x04,0x01,0x00,0xc6,0xd5,0x16,0xe4,0xc2,0x59,0xe3,0xfb,0x54,0xe2,0x74,0x4f, - 0xc1,0xe0,0xa0,0x4d,0xcf,0x86,0x65,0x84,0x4d,0x01,0x00,0xd4,0xb8,0xd3,0x27,0xe2, - 0x0c,0xa0,0xe1,0xdf,0x8d,0xe0,0x39,0x71,0xcf,0x86,0xc5,0xe4,0x98,0x69,0xe3,0xe3, - 0x64,0xe2,0x79,0x62,0xe1,0xac,0x61,0xe0,0x71,0x61,0xcf,0x86,0xe5,0x36,0x61,0x64, - 0x19,0x61,0x0b,0x00,0xd2,0x0e,0xe1,0xc2,0xa0,0xe0,0x3d,0xa0,0xcf,0x86,0xcf,0x06, - 0x01,0x00,0xd1,0x0c,0xe0,0xa1,0xa5,0xcf,0x86,0xcf,0x06,0x02,0xff,0xff,0xd0,0x08, - 0xcf,0x86,0xcf,0x06,0x01,0x00,0xcf,0x86,0xd5,0x06,0xcf,0x06,0x01,0x00,0xe4,0x9e, - 0xb6,0xe3,0x18,0xae,0xd2,0x06,0xcf,0x06,0x01,0x00,0xe1,0x0a,0xaa,0xd0,0x21,0xcf, - 0x86,0xe5,0x04,0xa7,0xe4,0x83,0xa6,0xe3,0x42,0xa6,0xe2,0x21,0xa6,0xe1,0x10,0xa6, - 0x10,0x08,0x01,0xff,0xe8,0xb1,0x88,0x00,0x01,0xff,0xe6,0x9b,0xb4,0x00,0xcf,0x86, - 0xe5,0xe6,0xa8,0xd4,0x19,0xe3,0x25,0xa8,0xe2,0x04,0xa8,0xe1,0xf3,0xa7,0x10,0x08, - 0x01,0xff,0xe9,0xb9,0xbf,0x00,0x01,0xff,0xe8,0xab,0x96,0x00,0xe3,0x8c,0xa8,0xe2, - 0x6b,0xa8,0xe1,0x5a,0xa8,0x10,0x08,0x01,0xff,0xe7,0xb8,0xb7,0x00,0x01,0xff,0xe9, - 0x9b,0xbb,0x00,0x83,0xe2,0x9c,0xf6,0xe1,0x75,0xf3,0xe0,0xf2,0xf1,0xcf,0x86,0xd5, - 0x31,0xc4,0xe3,0x6d,0xcc,0xe2,0x46,0xca,0xe1,0x27,0xc9,0xe0,0xb7,0xbf,0xcf,0x86, - 0xe5,0xaa,0xbb,0xe4,0xa3,0xba,0xe3,0x94,0xb9,0xe2,0xeb,0xb8,0xe1,0xc6,0xb8,0xe0, - 0x9f,0xb8,0xcf,0x86,0xe5,0x6c,0xb8,0x94,0x07,0x63,0x57,0xb8,0x07,0x00,0x07,0x00, - 0xe4,0x5e,0xf1,0xd3,0x08,0xcf,0x86,0xcf,0x06,0x05,0x00,0xd2,0x0b,0xe1,0x6d,0xde, - 0xcf,0x86,0xcf,0x06,0x05,0x00,0xd1,0x0e,0xe0,0x5c,0xdf,0xcf,0x86,0xe5,0x21,0xdf, - 0xcf,0x06,0x11,0x00,0xd0,0x0b,0xcf,0x86,0xe5,0x5c,0xdf,0xcf,0x06,0x13,0x00,0xcf, - 0x86,0xd5,0x06,0xcf,0x06,0x00,0x00,0xe4,0xf7,0xf0,0xe3,0xe0,0xef,0xd2,0xa0,0xe1, - 0x96,0xe3,0xd0,0x21,0xcf,0x86,0xe5,0x97,0xe0,0xe4,0x13,0xe0,0xe3,0xd1,0xdf,0xe2, - 0xb0,0xdf,0xe1,0x9e,0xdf,0x10,0x08,0x05,0xff,0xe4,0xb8,0xbd,0x00,0x05,0xff,0xe4, - 0xb8,0xb8,0x00,0xcf,0x86,0xd5,0x1c,0xe4,0xf3,0xe1,0xe3,0xb2,0xe1,0xe2,0x91,0xe1, - 0xe1,0x80,0xe1,0x10,0x08,0x05,0xff,0xe5,0x92,0xa2,0x00,0x05,0xff,0xe5,0x93,0xb6, - 0x00,0xd4,0x34,0xd3,0x18,0xe2,0x7a,0xe2,0xe1,0x69,0xe2,0x10,0x09,0x05,0xff,0xf0, - 0xa1,0x9a,0xa8,0x00,0x05,0xff,0xf0,0xa1,0x9b,0xaa,0x00,0xe2,0x9a,0xe2,0x91,0x11, - 0x10,0x09,0x05,0xff,0xf0,0xa1,0x8d,0xaa,0x00,0x05,0xff,0xe5,0xac,0x88,0x00,0x05, - 0xff,0xe5,0xac,0xbe,0x00,0xe3,0xe0,0xe2,0xd2,0x14,0xe1,0xaf,0xe2,0x10,0x08,0x05, - 0xff,0xe5,0xaf,0xb3,0x00,0x05,0xff,0xf0,0xa1,0xac,0x98,0x00,0xe1,0xbb,0xe2,0x10, - 0x08,0x05,0xff,0xe5,0xbc,0xb3,0x00,0x05,0xff,0xe5,0xb0,0xa2,0x00,0xd1,0xd5,0xd0, - 0x6a,0xcf,0x86,0xe5,0x10,0xe8,0xd4,0x19,0xe3,0x49,0xe7,0xe2,0x27,0xe7,0xe1,0x16, - 0xe7,0x10,0x08,0x05,0xff,0xe6,0xb4,0xbe,0x00,0x05,0xff,0xe6,0xb5,0xb7,0x00,0xd3, - 0x18,0xe2,0x93,0xe7,0xe1,0x82,0xe7,0x10,0x09,0x05,0xff,0xf0,0xa3,0xbd,0x9e,0x00, - 0x05,0xff,0xf0,0xa3,0xbe,0x8e,0x00,0xd2,0x13,0xe1,0xab,0xe7,0x10,0x08,0x05,0xff, - 0xe7,0x81,0xbd,0x00,0x05,0xff,0xe7,0x81,0xb7,0x00,0xd1,0x11,0x10,0x08,0x05,0xff, - 0xe7,0x85,0x85,0x00,0x05,0xff,0xf0,0xa4,0x89,0xa3,0x00,0x10,0x08,0x05,0xff,0xe7, - 0x86,0x9c,0x00,0x05,0xff,0xe4,0x8e,0xab,0x00,0xcf,0x86,0xe5,0xad,0xe9,0xd4,0x1a, - 0xe3,0xe5,0xe8,0xe2,0xcb,0xe8,0xe1,0xb8,0xe8,0x10,0x08,0x05,0xff,0xe7,0x9b,0xb4, - 0x00,0x05,0xff,0xf0,0xa5,0x83,0xb3,0x00,0xd3,0x16,0xe2,0x2d,0xe9,0xe1,0x1b,0xe9, - 0x10,0x08,0x05,0xff,0xe7,0xa3,0x8c,0x00,0x05,0xff,0xe4,0x83,0xa3,0x00,0xd2,0x13, - 0xe1,0x49,0xe9,0x10,0x08,0x05,0xff,0xe4,0x84,0xaf,0x00,0x05,0xff,0xe7,0xa9,0x80, - 0x00,0xd1,0x12,0x10,0x09,0x05,0xff,0xf0,0xa5,0xa5,0xbc,0x00,0x05,0xff,0xf0,0xa5, - 0xaa,0xa7,0x00,0x10,0x09,0x05,0xff,0xf0,0xa5,0xaa,0xa7,0x00,0x05,0xff,0xe7,0xaa, - 0xae,0x00,0xe0,0x5f,0xec,0xcf,0x86,0xd5,0x1d,0xe4,0xd4,0xea,0xe3,0x90,0xea,0xe2, - 0x6e,0xea,0xe1,0x5d,0xea,0x10,0x09,0x05,0xff,0xf0,0xa3,0x8d,0x9f,0x00,0x05,0xff, - 0xe4,0x8f,0x95,0x00,0xd4,0x19,0xe3,0x7b,0xeb,0xe2,0x57,0xeb,0xe1,0x46,0xeb,0x10, - 0x08,0x05,0xff,0xe8,0x8d,0x93,0x00,0x05,0xff,0xe8,0x8f,0x8a,0x00,0xd3,0x18,0xe2, - 0xc6,0xeb,0xe1,0xb5,0xeb,0x10,0x09,0x05,0xff,0xf0,0xa6,0xbe,0xb1,0x00,0x05,0xff, - 0xf0,0xa7,0x83,0x92,0x00,0xd2,0x13,0xe1,0xde,0xeb,0x10,0x08,0x05,0xff,0xe8,0x9a, - 0x88,0x00,0x05,0xff,0xe8,0x9c,0x8e,0x00,0xd1,0x10,0x10,0x08,0x05,0xff,0xe8,0x9c, - 0xa8,0x00,0x05,0xff,0xe8,0x9d,0xab,0x00,0x10,0x08,0x05,0xff,0xe8,0x9e,0x86,0x00, - 0x05,0xff,0xe4,0xb5,0x97,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, + 0x57,0x04,0x01,0x00,0xc6,0xd5,0x13,0xe4,0xa8,0x59,0xe3,0xe2,0x54,0xe2,0x5b,0x4f, + 0xc1,0xe0,0x87,0x4d,0xcf,0x06,0x01,0x00,0xd4,0xb8,0xd3,0x27,0xe2,0x89,0x9f,0xe1, + 0x91,0x8d,0xe0,0x21,0x71,0xcf,0x86,0xc5,0xe4,0x80,0x69,0xe3,0xcb,0x64,0xe2,0x61, + 0x62,0xe1,0x94,0x61,0xe0,0x59,0x61,0xcf,0x86,0xe5,0x1e,0x61,0x64,0x01,0x61,0x0b, + 0x00,0xd2,0x0e,0xe1,0x3f,0xa0,0xe0,0xba,0x9f,0xcf,0x86,0xcf,0x06,0x01,0x00,0xd1, + 0x0c,0xe0,0x1e,0xa5,0xcf,0x86,0xcf,0x06,0x02,0xff,0xff,0xd0,0x08,0xcf,0x86,0xcf, + 0x06,0x01,0x00,0xcf,0x86,0xd5,0x06,0xcf,0x06,0x01,0x00,0xe4,0x1b,0xb6,0xe3,0x95, + 0xad,0xd2,0x06,0xcf,0x06,0x01,0x00,0xe1,0x87,0xa9,0xd0,0x21,0xcf,0x86,0xe5,0x81, + 0xa6,0xe4,0x00,0xa6,0xe3,0xbf,0xa5,0xe2,0x9e,0xa5,0xe1,0x8d,0xa5,0x10,0x08,0x01, + 0xff,0xe8,0xb1,0x88,0x00,0x01,0xff,0xe6,0x9b,0xb4,0x00,0xcf,0x86,0xe5,0x63,0xa8, + 0xd4,0x19,0xe3,0xa2,0xa7,0xe2,0x81,0xa7,0xe1,0x70,0xa7,0x10,0x08,0x01,0xff,0xe9, + 0xb9,0xbf,0x00,0x01,0xff,0xe8,0xab,0x96,0x00,0xe3,0x09,0xa8,0xe2,0xe8,0xa7,0xe1, + 0xd7,0xa7,0x10,0x08,0x01,0xff,0xe7,0xb8,0xb7,0x00,0x01,0xff,0xe9,0x9b,0xbb,0x00, + 0x83,0xe2,0xee,0xf5,0xe1,0xd8,0xf2,0xe0,0x55,0xf1,0xcf,0x86,0xd5,0x31,0xc4,0xe3, + 0xd5,0xcb,0xe2,0xae,0xc9,0xe1,0x8f,0xc8,0xe0,0x1f,0xbf,0xcf,0x86,0xe5,0x12,0xbb, + 0xe4,0x0b,0xba,0xe3,0xfc,0xb8,0xe2,0x53,0xb8,0xe1,0x2e,0xb8,0xe0,0x07,0xb8,0xcf, + 0x86,0xe5,0xd4,0xb7,0x94,0x07,0x63,0xbf,0xb7,0x07,0x00,0x07,0x00,0xe4,0xc1,0xf0, + 0xd3,0x08,0xcf,0x86,0xcf,0x06,0x05,0x00,0xd2,0x0b,0xe1,0xd0,0xdd,0xcf,0x86,0xcf, + 0x06,0x05,0x00,0xd1,0x0e,0xe0,0xbf,0xde,0xcf,0x86,0xe5,0x84,0xde,0xcf,0x06,0x11, + 0x00,0xd0,0x0b,0xcf,0x86,0xe5,0xbf,0xde,0xcf,0x06,0x13,0x00,0xcf,0x86,0xd5,0x06, + 0xcf,0x06,0x00,0x00,0xe4,0x5a,0xf0,0xe3,0x43,0xef,0xd2,0xa0,0xe1,0xf9,0xe2,0xd0, + 0x21,0xcf,0x86,0xe5,0xfa,0xdf,0xe4,0x76,0xdf,0xe3,0x34,0xdf,0xe2,0x13,0xdf,0xe1, + 0x01,0xdf,0x10,0x08,0x05,0xff,0xe4,0xb8,0xbd,0x00,0x05,0xff,0xe4,0xb8,0xb8,0x00, + 0xcf,0x86,0xd5,0x1c,0xe4,0x56,0xe1,0xe3,0x15,0xe1,0xe2,0xf4,0xe0,0xe1,0xe3,0xe0, + 0x10,0x08,0x05,0xff,0xe5,0x92,0xa2,0x00,0x05,0xff,0xe5,0x93,0xb6,0x00,0xd4,0x34, + 0xd3,0x18,0xe2,0xdd,0xe1,0xe1,0xcc,0xe1,0x10,0x09,0x05,0xff,0xf0,0xa1,0x9a,0xa8, + 0x00,0x05,0xff,0xf0,0xa1,0x9b,0xaa,0x00,0xe2,0xfd,0xe1,0x91,0x11,0x10,0x09,0x05, + 0xff,0xf0,0xa1,0x8d,0xaa,0x00,0x05,0xff,0xe5,0xac,0x88,0x00,0x05,0xff,0xe5,0xac, + 0xbe,0x00,0xe3,0x43,0xe2,0xd2,0x14,0xe1,0x12,0xe2,0x10,0x08,0x05,0xff,0xe5,0xaf, + 0xb3,0x00,0x05,0xff,0xf0,0xa1,0xac,0x98,0x00,0xe1,0x1e,0xe2,0x10,0x08,0x05,0xff, + 0xe5,0xbc,0xb3,0x00,0x05,0xff,0xe5,0xb0,0xa2,0x00,0xd1,0xd5,0xd0,0x6a,0xcf,0x86, + 0xe5,0x73,0xe7,0xd4,0x19,0xe3,0xac,0xe6,0xe2,0x8a,0xe6,0xe1,0x79,0xe6,0x10,0x08, + 0x05,0xff,0xe6,0xb4,0xbe,0x00,0x05,0xff,0xe6,0xb5,0xb7,0x00,0xd3,0x18,0xe2,0xf6, + 0xe6,0xe1,0xe5,0xe6,0x10,0x09,0x05,0xff,0xf0,0xa3,0xbd,0x9e,0x00,0x05,0xff,0xf0, + 0xa3,0xbe,0x8e,0x00,0xd2,0x13,0xe1,0x0e,0xe7,0x10,0x08,0x05,0xff,0xe7,0x81,0xbd, + 0x00,0x05,0xff,0xe7,0x81,0xb7,0x00,0xd1,0x11,0x10,0x08,0x05,0xff,0xe7,0x85,0x85, + 0x00,0x05,0xff,0xf0,0xa4,0x89,0xa3,0x00,0x10,0x08,0x05,0xff,0xe7,0x86,0x9c,0x00, + 0x05,0xff,0xe4,0x8e,0xab,0x00,0xcf,0x86,0xe5,0x10,0xe9,0xd4,0x1a,0xe3,0x48,0xe8, + 0xe2,0x2e,0xe8,0xe1,0x1b,0xe8,0x10,0x08,0x05,0xff,0xe7,0x9b,0xb4,0x00,0x05,0xff, + 0xf0,0xa5,0x83,0xb3,0x00,0xd3,0x16,0xe2,0x90,0xe8,0xe1,0x7e,0xe8,0x10,0x08,0x05, + 0xff,0xe7,0xa3,0x8c,0x00,0x05,0xff,0xe4,0x83,0xa3,0x00,0xd2,0x13,0xe1,0xac,0xe8, + 0x10,0x08,0x05,0xff,0xe4,0x84,0xaf,0x00,0x05,0xff,0xe7,0xa9,0x80,0x00,0xd1,0x12, + 0x10,0x09,0x05,0xff,0xf0,0xa5,0xa5,0xbc,0x00,0x05,0xff,0xf0,0xa5,0xaa,0xa7,0x00, + 0x10,0x09,0x05,0xff,0xf0,0xa5,0xaa,0xa7,0x00,0x05,0xff,0xe7,0xaa,0xae,0x00,0xe0, + 0xc2,0xeb,0xcf,0x86,0xd5,0x1d,0xe4,0x37,0xea,0xe3,0xf3,0xe9,0xe2,0xd1,0xe9,0xe1, + 0xc0,0xe9,0x10,0x09,0x05,0xff,0xf0,0xa3,0x8d,0x9f,0x00,0x05,0xff,0xe4,0x8f,0x95, + 0x00,0xd4,0x19,0xe3,0xde,0xea,0xe2,0xba,0xea,0xe1,0xa9,0xea,0x10,0x08,0x05,0xff, + 0xe8,0x8d,0x93,0x00,0x05,0xff,0xe8,0x8f,0x8a,0x00,0xd3,0x18,0xe2,0x29,0xeb,0xe1, + 0x18,0xeb,0x10,0x09,0x05,0xff,0xf0,0xa6,0xbe,0xb1,0x00,0x05,0xff,0xf0,0xa7,0x83, + 0x92,0x00,0xd2,0x13,0xe1,0x41,0xeb,0x10,0x08,0x05,0xff,0xe8,0x9a,0x88,0x00,0x05, + 0xff,0xe8,0x9c,0x8e,0x00,0xd1,0x10,0x10,0x08,0x05,0xff,0xe8,0x9c,0xa8,0x00,0x05, + 0xff,0xe8,0x9d,0xab,0x00,0x10,0x08,0x05,0xff,0xe8,0x9e,0x86,0x00,0x05,0xff,0xe4, + 0xb5,0x97,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, /* nfdicf_30200 */ - 0xd7,0x07,0x66,0x84,0x05,0x01,0x00,0xc6,0xd5,0x16,0xe4,0x99,0x13,0xe3,0x63,0x0e, - 0xe2,0x4c,0x07,0xc1,0xe0,0x4e,0x06,0xcf,0x86,0x65,0x2d,0x06,0x01,0x00,0xd4,0x2a, - 0xe3,0xd0,0x35,0xe2,0x88,0x9c,0xe1,0xcd,0x2e,0xe0,0x2b,0x1b,0xcf,0x86,0xc5,0xe4, - 0x14,0x66,0xe3,0x5f,0x61,0xe2,0xf5,0x5e,0xe1,0x28,0x5e,0xe0,0xed,0x5d,0xcf,0x86, - 0xe5,0xb2,0x5d,0x64,0x95,0x5d,0x0b,0x00,0x83,0xe2,0xa7,0xf3,0xe1,0x80,0xf0,0xe0, - 0xfd,0xee,0xcf,0x86,0xd5,0x31,0xc4,0xe3,0xe2,0x47,0xe2,0x83,0x46,0xe1,0x32,0xc6, - 0xe0,0x2a,0x45,0xcf,0x86,0xe5,0x1c,0x43,0xe4,0x3d,0x40,0xe3,0x9f,0xb6,0xe2,0xf6, - 0xb5,0xe1,0xd1,0xb5,0xe0,0xaa,0xb5,0xcf,0x86,0xe5,0x77,0xb5,0x94,0x07,0x63,0x62, - 0xb5,0x07,0x00,0x07,0x00,0xe4,0x69,0xee,0xd3,0x08,0xcf,0x86,0xcf,0x06,0x05,0x00, - 0xd2,0x0b,0xe1,0x78,0xdb,0xcf,0x86,0xcf,0x06,0x05,0x00,0xd1,0x0e,0xe0,0x67,0xdc, - 0xcf,0x86,0xe5,0x2c,0xdc,0xcf,0x06,0x11,0x00,0xd0,0x0b,0xcf,0x86,0xe5,0x67,0xdc, - 0xcf,0x06,0x13,0x00,0xcf,0x86,0xd5,0x06,0xcf,0x06,0x00,0x00,0xe4,0x02,0xee,0xe3, - 0xeb,0xec,0xd2,0xa0,0xe1,0xa1,0xe0,0xd0,0x21,0xcf,0x86,0xe5,0xa2,0xdd,0xe4,0x1e, - 0xdd,0xe3,0xdc,0xdc,0xe2,0xbb,0xdc,0xe1,0xa9,0xdc,0x10,0x08,0x05,0xff,0xe4,0xb8, - 0xbd,0x00,0x05,0xff,0xe4,0xb8,0xb8,0x00,0xcf,0x86,0xd5,0x1c,0xe4,0xfe,0xde,0xe3, - 0xbd,0xde,0xe2,0x9c,0xde,0xe1,0x8b,0xde,0x10,0x08,0x05,0xff,0xe5,0x92,0xa2,0x00, - 0x05,0xff,0xe5,0x93,0xb6,0x00,0xd4,0x34,0xd3,0x18,0xe2,0x85,0xdf,0xe1,0x74,0xdf, + 0xd7,0x07,0x66,0x84,0x05,0x01,0x00,0xc6,0xd5,0x16,0xe4,0x96,0x13,0xe3,0x60,0x0e, + 0xe2,0x49,0x07,0xc1,0xe0,0x4b,0x06,0xcf,0x86,0x65,0x2d,0x06,0x01,0x00,0xd4,0x2a, + 0xe3,0xce,0x35,0xe2,0x02,0x9c,0xe1,0xca,0x2e,0xe0,0x28,0x1b,0xcf,0x86,0xc5,0xe4, + 0xf9,0x65,0xe3,0x44,0x61,0xe2,0xda,0x5e,0xe1,0x0d,0x5e,0xe0,0xd2,0x5d,0xcf,0x86, + 0xe5,0x97,0x5d,0x64,0x7a,0x5d,0x0b,0x00,0x83,0xe2,0xf6,0xf2,0xe1,0xe0,0xef,0xe0, + 0x5d,0xee,0xcf,0x86,0xd5,0x31,0xc4,0xe3,0xdf,0x47,0xe2,0x80,0x46,0xe1,0x97,0xc5, + 0xe0,0x27,0x45,0xcf,0x86,0xe5,0x19,0x43,0xe4,0x3a,0x40,0xe3,0x04,0xb6,0xe2,0x5b, + 0xb5,0xe1,0x36,0xb5,0xe0,0x0f,0xb5,0xcf,0x86,0xe5,0xdc,0xb4,0x94,0x07,0x63,0xc7, + 0xb4,0x07,0x00,0x07,0x00,0xe4,0xc9,0xed,0xd3,0x08,0xcf,0x86,0xcf,0x06,0x05,0x00, + 0xd2,0x0b,0xe1,0xd8,0xda,0xcf,0x86,0xcf,0x06,0x05,0x00,0xd1,0x0e,0xe0,0xc7,0xdb, + 0xcf,0x86,0xe5,0x8c,0xdb,0xcf,0x06,0x11,0x00,0xd0,0x0b,0xcf,0x86,0xe5,0xc7,0xdb, + 0xcf,0x06,0x13,0x00,0xcf,0x86,0xd5,0x06,0xcf,0x06,0x00,0x00,0xe4,0x62,0xed,0xe3, + 0x4b,0xec,0xd2,0xa0,0xe1,0x01,0xe0,0xd0,0x21,0xcf,0x86,0xe5,0x02,0xdd,0xe4,0x7e, + 0xdc,0xe3,0x3c,0xdc,0xe2,0x1b,0xdc,0xe1,0x09,0xdc,0x10,0x08,0x05,0xff,0xe4,0xb8, + 0xbd,0x00,0x05,0xff,0xe4,0xb8,0xb8,0x00,0xcf,0x86,0xd5,0x1c,0xe4,0x5e,0xde,0xe3, + 0x1d,0xde,0xe2,0xfc,0xdd,0xe1,0xeb,0xdd,0x10,0x08,0x05,0xff,0xe5,0x92,0xa2,0x00, + 0x05,0xff,0xe5,0x93,0xb6,0x00,0xd4,0x34,0xd3,0x18,0xe2,0xe5,0xde,0xe1,0xd4,0xde, 0x10,0x09,0x05,0xff,0xf0,0xa1,0x9a,0xa8,0x00,0x05,0xff,0xf0,0xa1,0x9b,0xaa,0x00, - 0xe2,0xa5,0xdf,0x91,0x11,0x10,0x09,0x05,0xff,0xf0,0xa1,0x8d,0xaa,0x00,0x05,0xff, - 0xe5,0xac,0x88,0x00,0x05,0xff,0xe5,0xac,0xbe,0x00,0xe3,0xeb,0xdf,0xd2,0x14,0xe1, - 0xba,0xdf,0x10,0x08,0x05,0xff,0xe5,0xaf,0xb3,0x00,0x05,0xff,0xf0,0xa1,0xac,0x98, - 0x00,0xe1,0xc6,0xdf,0x10,0x08,0x05,0xff,0xe5,0xbc,0xb3,0x00,0x05,0xff,0xe5,0xb0, - 0xa2,0x00,0xd1,0xd5,0xd0,0x6a,0xcf,0x86,0xe5,0x1b,0xe5,0xd4,0x19,0xe3,0x54,0xe4, - 0xe2,0x32,0xe4,0xe1,0x21,0xe4,0x10,0x08,0x05,0xff,0xe6,0xb4,0xbe,0x00,0x05,0xff, - 0xe6,0xb5,0xb7,0x00,0xd3,0x18,0xe2,0x9e,0xe4,0xe1,0x8d,0xe4,0x10,0x09,0x05,0xff, - 0xf0,0xa3,0xbd,0x9e,0x00,0x05,0xff,0xf0,0xa3,0xbe,0x8e,0x00,0xd2,0x13,0xe1,0xb6, + 0xe2,0x05,0xdf,0x91,0x11,0x10,0x09,0x05,0xff,0xf0,0xa1,0x8d,0xaa,0x00,0x05,0xff, + 0xe5,0xac,0x88,0x00,0x05,0xff,0xe5,0xac,0xbe,0x00,0xe3,0x4b,0xdf,0xd2,0x14,0xe1, + 0x1a,0xdf,0x10,0x08,0x05,0xff,0xe5,0xaf,0xb3,0x00,0x05,0xff,0xf0,0xa1,0xac,0x98, + 0x00,0xe1,0x26,0xdf,0x10,0x08,0x05,0xff,0xe5,0xbc,0xb3,0x00,0x05,0xff,0xe5,0xb0, + 0xa2,0x00,0xd1,0xd5,0xd0,0x6a,0xcf,0x86,0xe5,0x7b,0xe4,0xd4,0x19,0xe3,0xb4,0xe3, + 0xe2,0x92,0xe3,0xe1,0x81,0xe3,0x10,0x08,0x05,0xff,0xe6,0xb4,0xbe,0x00,0x05,0xff, + 0xe6,0xb5,0xb7,0x00,0xd3,0x18,0xe2,0xfe,0xe3,0xe1,0xed,0xe3,0x10,0x09,0x05,0xff, + 0xf0,0xa3,0xbd,0x9e,0x00,0x05,0xff,0xf0,0xa3,0xbe,0x8e,0x00,0xd2,0x13,0xe1,0x16, 0xe4,0x10,0x08,0x05,0xff,0xe7,0x81,0xbd,0x00,0x05,0xff,0xe7,0x81,0xb7,0x00,0xd1, 0x11,0x10,0x08,0x05,0xff,0xe7,0x85,0x85,0x00,0x05,0xff,0xf0,0xa4,0x89,0xa3,0x00, 0x10,0x08,0x05,0xff,0xe7,0x86,0x9c,0x00,0x05,0xff,0xe4,0x8e,0xab,0x00,0xcf,0x86, - 0xe5,0xb8,0xe6,0xd4,0x1a,0xe3,0xf0,0xe5,0xe2,0xd6,0xe5,0xe1,0xc3,0xe5,0x10,0x08, + 0xe5,0x18,0xe6,0xd4,0x1a,0xe3,0x50,0xe5,0xe2,0x36,0xe5,0xe1,0x23,0xe5,0x10,0x08, 0x05,0xff,0xe7,0x9b,0xb4,0x00,0x05,0xff,0xf0,0xa5,0x83,0xb3,0x00,0xd3,0x16,0xe2, - 0x38,0xe6,0xe1,0x26,0xe6,0x10,0x08,0x05,0xff,0xe7,0xa3,0x8c,0x00,0x05,0xff,0xe4, - 0x83,0xa3,0x00,0xd2,0x13,0xe1,0x54,0xe6,0x10,0x08,0x05,0xff,0xe4,0x84,0xaf,0x00, + 0x98,0xe5,0xe1,0x86,0xe5,0x10,0x08,0x05,0xff,0xe7,0xa3,0x8c,0x00,0x05,0xff,0xe4, + 0x83,0xa3,0x00,0xd2,0x13,0xe1,0xb4,0xe5,0x10,0x08,0x05,0xff,0xe4,0x84,0xaf,0x00, 0x05,0xff,0xe7,0xa9,0x80,0x00,0xd1,0x12,0x10,0x09,0x05,0xff,0xf0,0xa5,0xa5,0xbc, 0x00,0x05,0xff,0xf0,0xa5,0xaa,0xa7,0x00,0x10,0x09,0x05,0xff,0xf0,0xa5,0xaa,0xa7, - 0x00,0x05,0xff,0xe7,0xaa,0xae,0x00,0xe0,0x6a,0xe9,0xcf,0x86,0xd5,0x1d,0xe4,0xdf, - 0xe7,0xe3,0x9b,0xe7,0xe2,0x79,0xe7,0xe1,0x68,0xe7,0x10,0x09,0x05,0xff,0xf0,0xa3, - 0x8d,0x9f,0x00,0x05,0xff,0xe4,0x8f,0x95,0x00,0xd4,0x19,0xe3,0x86,0xe8,0xe2,0x62, - 0xe8,0xe1,0x51,0xe8,0x10,0x08,0x05,0xff,0xe8,0x8d,0x93,0x00,0x05,0xff,0xe8,0x8f, - 0x8a,0x00,0xd3,0x18,0xe2,0xd1,0xe8,0xe1,0xc0,0xe8,0x10,0x09,0x05,0xff,0xf0,0xa6, - 0xbe,0xb1,0x00,0x05,0xff,0xf0,0xa7,0x83,0x92,0x00,0xd2,0x13,0xe1,0xe9,0xe8,0x10, + 0x00,0x05,0xff,0xe7,0xaa,0xae,0x00,0xe0,0xca,0xe8,0xcf,0x86,0xd5,0x1d,0xe4,0x3f, + 0xe7,0xe3,0xfb,0xe6,0xe2,0xd9,0xe6,0xe1,0xc8,0xe6,0x10,0x09,0x05,0xff,0xf0,0xa3, + 0x8d,0x9f,0x00,0x05,0xff,0xe4,0x8f,0x95,0x00,0xd4,0x19,0xe3,0xe6,0xe7,0xe2,0xc2, + 0xe7,0xe1,0xb1,0xe7,0x10,0x08,0x05,0xff,0xe8,0x8d,0x93,0x00,0x05,0xff,0xe8,0x8f, + 0x8a,0x00,0xd3,0x18,0xe2,0x31,0xe8,0xe1,0x20,0xe8,0x10,0x09,0x05,0xff,0xf0,0xa6, + 0xbe,0xb1,0x00,0x05,0xff,0xf0,0xa7,0x83,0x92,0x00,0xd2,0x13,0xe1,0x49,0xe8,0x10, 0x08,0x05,0xff,0xe8,0x9a,0x88,0x00,0x05,0xff,0xe8,0x9c,0x8e,0x00,0xd1,0x10,0x10, 0x08,0x05,0xff,0xe8,0x9c,0xa8,0x00,0x05,0xff,0xe8,0x9d,0xab,0x00,0x10,0x08,0x05, 0xff,0xe8,0x9e,0x86,0x00,0x05,0xff,0xe4,0xb5,0x97,0x00,0x00,0x00,0x00,0x00,0x00, /* nfdi_30200 */ - 0x57,0x04,0x01,0x00,0xc6,0xd5,0x16,0xe4,0x82,0x53,0xe3,0xbb,0x4e,0xe2,0x34,0x49, - 0xc1,0xe0,0x60,0x47,0xcf,0x86,0x65,0x44,0x47,0x01,0x00,0xd4,0x2a,0xe3,0x1c,0x9a, - 0xe2,0xcb,0x99,0xe1,0x9e,0x87,0xe0,0xf8,0x6a,0xcf,0x86,0xc5,0xe4,0x57,0x63,0xe3, - 0xa2,0x5e,0xe2,0x38,0x5c,0xe1,0x6b,0x5b,0xe0,0x30,0x5b,0xcf,0x86,0xe5,0xf5,0x5a, - 0x64,0xd8,0x5a,0x0b,0x00,0x83,0xe2,0xea,0xf0,0xe1,0xc3,0xed,0xe0,0x40,0xec,0xcf, - 0x86,0xd5,0x31,0xc4,0xe3,0xbb,0xc6,0xe2,0x94,0xc4,0xe1,0x75,0xc3,0xe0,0x05,0xba, - 0xcf,0x86,0xe5,0xf8,0xb5,0xe4,0xf1,0xb4,0xe3,0xe2,0xb3,0xe2,0x39,0xb3,0xe1,0x14, - 0xb3,0xe0,0xed,0xb2,0xcf,0x86,0xe5,0xba,0xb2,0x94,0x07,0x63,0xa5,0xb2,0x07,0x00, - 0x07,0x00,0xe4,0xac,0xeb,0xd3,0x08,0xcf,0x86,0xcf,0x06,0x05,0x00,0xd2,0x0b,0xe1, - 0xbb,0xd8,0xcf,0x86,0xcf,0x06,0x05,0x00,0xd1,0x0e,0xe0,0xaa,0xd9,0xcf,0x86,0xe5, - 0x6f,0xd9,0xcf,0x06,0x11,0x00,0xd0,0x0b,0xcf,0x86,0xe5,0xaa,0xd9,0xcf,0x06,0x13, - 0x00,0xcf,0x86,0xd5,0x06,0xcf,0x06,0x00,0x00,0xe4,0x45,0xeb,0xe3,0x2e,0xea,0xd2, - 0xa0,0xe1,0xe4,0xdd,0xd0,0x21,0xcf,0x86,0xe5,0xe5,0xda,0xe4,0x61,0xda,0xe3,0x1f, - 0xda,0xe2,0xfe,0xd9,0xe1,0xec,0xd9,0x10,0x08,0x05,0xff,0xe4,0xb8,0xbd,0x00,0x05, - 0xff,0xe4,0xb8,0xb8,0x00,0xcf,0x86,0xd5,0x1c,0xe4,0x41,0xdc,0xe3,0x00,0xdc,0xe2, - 0xdf,0xdb,0xe1,0xce,0xdb,0x10,0x08,0x05,0xff,0xe5,0x92,0xa2,0x00,0x05,0xff,0xe5, - 0x93,0xb6,0x00,0xd4,0x34,0xd3,0x18,0xe2,0xc8,0xdc,0xe1,0xb7,0xdc,0x10,0x09,0x05, - 0xff,0xf0,0xa1,0x9a,0xa8,0x00,0x05,0xff,0xf0,0xa1,0x9b,0xaa,0x00,0xe2,0xe8,0xdc, - 0x91,0x11,0x10,0x09,0x05,0xff,0xf0,0xa1,0x8d,0xaa,0x00,0x05,0xff,0xe5,0xac,0x88, - 0x00,0x05,0xff,0xe5,0xac,0xbe,0x00,0xe3,0x2e,0xdd,0xd2,0x14,0xe1,0xfd,0xdc,0x10, - 0x08,0x05,0xff,0xe5,0xaf,0xb3,0x00,0x05,0xff,0xf0,0xa1,0xac,0x98,0x00,0xe1,0x09, - 0xdd,0x10,0x08,0x05,0xff,0xe5,0xbc,0xb3,0x00,0x05,0xff,0xe5,0xb0,0xa2,0x00,0xd1, - 0xd5,0xd0,0x6a,0xcf,0x86,0xe5,0x5e,0xe2,0xd4,0x19,0xe3,0x97,0xe1,0xe2,0x75,0xe1, - 0xe1,0x64,0xe1,0x10,0x08,0x05,0xff,0xe6,0xb4,0xbe,0x00,0x05,0xff,0xe6,0xb5,0xb7, - 0x00,0xd3,0x18,0xe2,0xe1,0xe1,0xe1,0xd0,0xe1,0x10,0x09,0x05,0xff,0xf0,0xa3,0xbd, - 0x9e,0x00,0x05,0xff,0xf0,0xa3,0xbe,0x8e,0x00,0xd2,0x13,0xe1,0xf9,0xe1,0x10,0x08, - 0x05,0xff,0xe7,0x81,0xbd,0x00,0x05,0xff,0xe7,0x81,0xb7,0x00,0xd1,0x11,0x10,0x08, - 0x05,0xff,0xe7,0x85,0x85,0x00,0x05,0xff,0xf0,0xa4,0x89,0xa3,0x00,0x10,0x08,0x05, - 0xff,0xe7,0x86,0x9c,0x00,0x05,0xff,0xe4,0x8e,0xab,0x00,0xcf,0x86,0xe5,0xfb,0xe3, - 0xd4,0x1a,0xe3,0x33,0xe3,0xe2,0x19,0xe3,0xe1,0x06,0xe3,0x10,0x08,0x05,0xff,0xe7, - 0x9b,0xb4,0x00,0x05,0xff,0xf0,0xa5,0x83,0xb3,0x00,0xd3,0x16,0xe2,0x7b,0xe3,0xe1, - 0x69,0xe3,0x10,0x08,0x05,0xff,0xe7,0xa3,0x8c,0x00,0x05,0xff,0xe4,0x83,0xa3,0x00, - 0xd2,0x13,0xe1,0x97,0xe3,0x10,0x08,0x05,0xff,0xe4,0x84,0xaf,0x00,0x05,0xff,0xe7, - 0xa9,0x80,0x00,0xd1,0x12,0x10,0x09,0x05,0xff,0xf0,0xa5,0xa5,0xbc,0x00,0x05,0xff, - 0xf0,0xa5,0xaa,0xa7,0x00,0x10,0x09,0x05,0xff,0xf0,0xa5,0xaa,0xa7,0x00,0x05,0xff, - 0xe7,0xaa,0xae,0x00,0xe0,0xad,0xe6,0xcf,0x86,0xd5,0x1d,0xe4,0x22,0xe5,0xe3,0xde, - 0xe4,0xe2,0xbc,0xe4,0xe1,0xab,0xe4,0x10,0x09,0x05,0xff,0xf0,0xa3,0x8d,0x9f,0x00, - 0x05,0xff,0xe4,0x8f,0x95,0x00,0xd4,0x19,0xe3,0xc9,0xe5,0xe2,0xa5,0xe5,0xe1,0x94, - 0xe5,0x10,0x08,0x05,0xff,0xe8,0x8d,0x93,0x00,0x05,0xff,0xe8,0x8f,0x8a,0x00,0xd3, - 0x18,0xe2,0x14,0xe6,0xe1,0x03,0xe6,0x10,0x09,0x05,0xff,0xf0,0xa6,0xbe,0xb1,0x00, - 0x05,0xff,0xf0,0xa7,0x83,0x92,0x00,0xd2,0x13,0xe1,0x2c,0xe6,0x10,0x08,0x05,0xff, - 0xe8,0x9a,0x88,0x00,0x05,0xff,0xe8,0x9c,0x8e,0x00,0xd1,0x10,0x10,0x08,0x05,0xff, - 0xe8,0x9c,0xa8,0x00,0x05,0xff,0xe8,0x9d,0xab,0x00,0x10,0x08,0x05,0xff,0xe8,0x9e, - 0x86,0x00,0x05,0xff,0xe4,0xb5,0x97,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, + 0x57,0x04,0x01,0x00,0xc6,0xd5,0x13,0xe4,0x68,0x53,0xe3,0xa2,0x4e,0xe2,0x1b,0x49, + 0xc1,0xe0,0x47,0x47,0xcf,0x06,0x01,0x00,0xd4,0x2a,0xe3,0x99,0x99,0xe2,0x48,0x99, + 0xe1,0x50,0x87,0xe0,0xe0,0x6a,0xcf,0x86,0xc5,0xe4,0x3f,0x63,0xe3,0x8a,0x5e,0xe2, + 0x20,0x5c,0xe1,0x53,0x5b,0xe0,0x18,0x5b,0xcf,0x86,0xe5,0xdd,0x5a,0x64,0xc0,0x5a, + 0x0b,0x00,0x83,0xe2,0x3c,0xf0,0xe1,0x26,0xed,0xe0,0xa3,0xeb,0xcf,0x86,0xd5,0x31, + 0xc4,0xe3,0x23,0xc6,0xe2,0xfc,0xc3,0xe1,0xdd,0xc2,0xe0,0x6d,0xb9,0xcf,0x86,0xe5, + 0x60,0xb5,0xe4,0x59,0xb4,0xe3,0x4a,0xb3,0xe2,0xa1,0xb2,0xe1,0x7c,0xb2,0xe0,0x55, + 0xb2,0xcf,0x86,0xe5,0x22,0xb2,0x94,0x07,0x63,0x0d,0xb2,0x07,0x00,0x07,0x00,0xe4, + 0x0f,0xeb,0xd3,0x08,0xcf,0x86,0xcf,0x06,0x05,0x00,0xd2,0x0b,0xe1,0x1e,0xd8,0xcf, + 0x86,0xcf,0x06,0x05,0x00,0xd1,0x0e,0xe0,0x0d,0xd9,0xcf,0x86,0xe5,0xd2,0xd8,0xcf, + 0x06,0x11,0x00,0xd0,0x0b,0xcf,0x86,0xe5,0x0d,0xd9,0xcf,0x06,0x13,0x00,0xcf,0x86, + 0xd5,0x06,0xcf,0x06,0x00,0x00,0xe4,0xa8,0xea,0xe3,0x91,0xe9,0xd2,0xa0,0xe1,0x47, + 0xdd,0xd0,0x21,0xcf,0x86,0xe5,0x48,0xda,0xe4,0xc4,0xd9,0xe3,0x82,0xd9,0xe2,0x61, + 0xd9,0xe1,0x4f,0xd9,0x10,0x08,0x05,0xff,0xe4,0xb8,0xbd,0x00,0x05,0xff,0xe4,0xb8, + 0xb8,0x00,0xcf,0x86,0xd5,0x1c,0xe4,0xa4,0xdb,0xe3,0x63,0xdb,0xe2,0x42,0xdb,0xe1, + 0x31,0xdb,0x10,0x08,0x05,0xff,0xe5,0x92,0xa2,0x00,0x05,0xff,0xe5,0x93,0xb6,0x00, + 0xd4,0x34,0xd3,0x18,0xe2,0x2b,0xdc,0xe1,0x1a,0xdc,0x10,0x09,0x05,0xff,0xf0,0xa1, + 0x9a,0xa8,0x00,0x05,0xff,0xf0,0xa1,0x9b,0xaa,0x00,0xe2,0x4b,0xdc,0x91,0x11,0x10, + 0x09,0x05,0xff,0xf0,0xa1,0x8d,0xaa,0x00,0x05,0xff,0xe5,0xac,0x88,0x00,0x05,0xff, + 0xe5,0xac,0xbe,0x00,0xe3,0x91,0xdc,0xd2,0x14,0xe1,0x60,0xdc,0x10,0x08,0x05,0xff, + 0xe5,0xaf,0xb3,0x00,0x05,0xff,0xf0,0xa1,0xac,0x98,0x00,0xe1,0x6c,0xdc,0x10,0x08, + 0x05,0xff,0xe5,0xbc,0xb3,0x00,0x05,0xff,0xe5,0xb0,0xa2,0x00,0xd1,0xd5,0xd0,0x6a, + 0xcf,0x86,0xe5,0xc1,0xe1,0xd4,0x19,0xe3,0xfa,0xe0,0xe2,0xd8,0xe0,0xe1,0xc7,0xe0, + 0x10,0x08,0x05,0xff,0xe6,0xb4,0xbe,0x00,0x05,0xff,0xe6,0xb5,0xb7,0x00,0xd3,0x18, + 0xe2,0x44,0xe1,0xe1,0x33,0xe1,0x10,0x09,0x05,0xff,0xf0,0xa3,0xbd,0x9e,0x00,0x05, + 0xff,0xf0,0xa3,0xbe,0x8e,0x00,0xd2,0x13,0xe1,0x5c,0xe1,0x10,0x08,0x05,0xff,0xe7, + 0x81,0xbd,0x00,0x05,0xff,0xe7,0x81,0xb7,0x00,0xd1,0x11,0x10,0x08,0x05,0xff,0xe7, + 0x85,0x85,0x00,0x05,0xff,0xf0,0xa4,0x89,0xa3,0x00,0x10,0x08,0x05,0xff,0xe7,0x86, + 0x9c,0x00,0x05,0xff,0xe4,0x8e,0xab,0x00,0xcf,0x86,0xe5,0x5e,0xe3,0xd4,0x1a,0xe3, + 0x96,0xe2,0xe2,0x7c,0xe2,0xe1,0x69,0xe2,0x10,0x08,0x05,0xff,0xe7,0x9b,0xb4,0x00, + 0x05,0xff,0xf0,0xa5,0x83,0xb3,0x00,0xd3,0x16,0xe2,0xde,0xe2,0xe1,0xcc,0xe2,0x10, + 0x08,0x05,0xff,0xe7,0xa3,0x8c,0x00,0x05,0xff,0xe4,0x83,0xa3,0x00,0xd2,0x13,0xe1, + 0xfa,0xe2,0x10,0x08,0x05,0xff,0xe4,0x84,0xaf,0x00,0x05,0xff,0xe7,0xa9,0x80,0x00, + 0xd1,0x12,0x10,0x09,0x05,0xff,0xf0,0xa5,0xa5,0xbc,0x00,0x05,0xff,0xf0,0xa5,0xaa, + 0xa7,0x00,0x10,0x09,0x05,0xff,0xf0,0xa5,0xaa,0xa7,0x00,0x05,0xff,0xe7,0xaa,0xae, + 0x00,0xe0,0x10,0xe6,0xcf,0x86,0xd5,0x1d,0xe4,0x85,0xe4,0xe3,0x41,0xe4,0xe2,0x1f, + 0xe4,0xe1,0x0e,0xe4,0x10,0x09,0x05,0xff,0xf0,0xa3,0x8d,0x9f,0x00,0x05,0xff,0xe4, + 0x8f,0x95,0x00,0xd4,0x19,0xe3,0x2c,0xe5,0xe2,0x08,0xe5,0xe1,0xf7,0xe4,0x10,0x08, + 0x05,0xff,0xe8,0x8d,0x93,0x00,0x05,0xff,0xe8,0x8f,0x8a,0x00,0xd3,0x18,0xe2,0x77, + 0xe5,0xe1,0x66,0xe5,0x10,0x09,0x05,0xff,0xf0,0xa6,0xbe,0xb1,0x00,0x05,0xff,0xf0, + 0xa7,0x83,0x92,0x00,0xd2,0x13,0xe1,0x8f,0xe5,0x10,0x08,0x05,0xff,0xe8,0x9a,0x88, + 0x00,0x05,0xff,0xe8,0x9c,0x8e,0x00,0xd1,0x10,0x10,0x08,0x05,0xff,0xe8,0x9c,0xa8, + 0x00,0x05,0xff,0xe8,0x9d,0xab,0x00,0x10,0x08,0x05,0xff,0xe8,0x9e,0x86,0x00,0x05, + 0xff,0xe4,0xb5,0x97,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, /* nfdicf_c0100 */ 0xd7,0xb0,0x56,0x04,0x01,0x00,0x95,0xa8,0xd4,0x5e,0xd3,0x2e,0xd2,0x16,0xd1,0x0a, 0x10,0x04,0x01,0x00,0x01,0xff,0x61,0x00,0x10,0x06,0x01,0xff,0x62,0x00,0x01,0xff, @@ -300,3184 +300,3174 @@ static const unsigned char utf8data[64256] = { 0xd1,0x0c,0x10,0x06,0x01,0xff,0x74,0x00,0x01,0xff,0x75,0x00,0x10,0x06,0x01,0xff, 0x76,0x00,0x01,0xff,0x77,0x00,0x92,0x16,0xd1,0x0c,0x10,0x06,0x01,0xff,0x78,0x00, 0x01,0xff,0x79,0x00,0x10,0x06,0x01,0xff,0x7a,0x00,0x01,0x00,0x01,0x00,0x01,0x00, - 0xc6,0xe5,0xf9,0x14,0xe4,0x6f,0x0d,0xe3,0x39,0x08,0xe2,0x22,0x01,0xc1,0xd0,0x24, - 0xcf,0x86,0x55,0x04,0x01,0x00,0xd4,0x07,0x63,0xd8,0x43,0x01,0x00,0x93,0x13,0x52, - 0x04,0x01,0x00,0x91,0x0b,0x10,0x04,0x01,0x00,0x01,0xff,0xce,0xbc,0x00,0x01,0x00, - 0x01,0x00,0xcf,0x86,0xe5,0xb3,0x44,0xd4,0x7f,0xd3,0x3f,0xd2,0x20,0xd1,0x10,0x10, - 0x08,0x01,0xff,0x61,0xcc,0x80,0x00,0x01,0xff,0x61,0xcc,0x81,0x00,0x10,0x08,0x01, - 0xff,0x61,0xcc,0x82,0x00,0x01,0xff,0x61,0xcc,0x83,0x00,0xd1,0x10,0x10,0x08,0x01, - 0xff,0x61,0xcc,0x88,0x00,0x01,0xff,0x61,0xcc,0x8a,0x00,0x10,0x07,0x01,0xff,0xc3, - 0xa6,0x00,0x01,0xff,0x63,0xcc,0xa7,0x00,0xd2,0x20,0xd1,0x10,0x10,0x08,0x01,0xff, - 0x65,0xcc,0x80,0x00,0x01,0xff,0x65,0xcc,0x81,0x00,0x10,0x08,0x01,0xff,0x65,0xcc, - 0x82,0x00,0x01,0xff,0x65,0xcc,0x88,0x00,0xd1,0x10,0x10,0x08,0x01,0xff,0x69,0xcc, - 0x80,0x00,0x01,0xff,0x69,0xcc,0x81,0x00,0x10,0x08,0x01,0xff,0x69,0xcc,0x82,0x00, - 0x01,0xff,0x69,0xcc,0x88,0x00,0xd3,0x3b,0xd2,0x1f,0xd1,0x0f,0x10,0x07,0x01,0xff, - 0xc3,0xb0,0x00,0x01,0xff,0x6e,0xcc,0x83,0x00,0x10,0x08,0x01,0xff,0x6f,0xcc,0x80, - 0x00,0x01,0xff,0x6f,0xcc,0x81,0x00,0xd1,0x10,0x10,0x08,0x01,0xff,0x6f,0xcc,0x82, - 0x00,0x01,0xff,0x6f,0xcc,0x83,0x00,0x10,0x08,0x01,0xff,0x6f,0xcc,0x88,0x00,0x01, - 0x00,0xd2,0x1f,0xd1,0x0f,0x10,0x07,0x01,0xff,0xc3,0xb8,0x00,0x01,0xff,0x75,0xcc, - 0x80,0x00,0x10,0x08,0x01,0xff,0x75,0xcc,0x81,0x00,0x01,0xff,0x75,0xcc,0x82,0x00, - 0xd1,0x10,0x10,0x08,0x01,0xff,0x75,0xcc,0x88,0x00,0x01,0xff,0x79,0xcc,0x81,0x00, - 0x10,0x07,0x01,0xff,0xc3,0xbe,0x00,0x01,0xff,0x73,0x73,0x00,0xe1,0xd4,0x03,0xe0, - 0xeb,0x01,0xcf,0x86,0xd5,0xfb,0xd4,0x80,0xd3,0x40,0xd2,0x20,0xd1,0x10,0x10,0x08, - 0x01,0xff,0x61,0xcc,0x84,0x00,0x01,0xff,0x61,0xcc,0x84,0x00,0x10,0x08,0x01,0xff, - 0x61,0xcc,0x86,0x00,0x01,0xff,0x61,0xcc,0x86,0x00,0xd1,0x10,0x10,0x08,0x01,0xff, - 0x61,0xcc,0xa8,0x00,0x01,0xff,0x61,0xcc,0xa8,0x00,0x10,0x08,0x01,0xff,0x63,0xcc, - 0x81,0x00,0x01,0xff,0x63,0xcc,0x81,0x00,0xd2,0x20,0xd1,0x10,0x10,0x08,0x01,0xff, - 0x63,0xcc,0x82,0x00,0x01,0xff,0x63,0xcc,0x82,0x00,0x10,0x08,0x01,0xff,0x63,0xcc, - 0x87,0x00,0x01,0xff,0x63,0xcc,0x87,0x00,0xd1,0x10,0x10,0x08,0x01,0xff,0x63,0xcc, - 0x8c,0x00,0x01,0xff,0x63,0xcc,0x8c,0x00,0x10,0x08,0x01,0xff,0x64,0xcc,0x8c,0x00, - 0x01,0xff,0x64,0xcc,0x8c,0x00,0xd3,0x3b,0xd2,0x1b,0xd1,0x0b,0x10,0x07,0x01,0xff, - 0xc4,0x91,0x00,0x01,0x00,0x10,0x08,0x01,0xff,0x65,0xcc,0x84,0x00,0x01,0xff,0x65, - 0xcc,0x84,0x00,0xd1,0x10,0x10,0x08,0x01,0xff,0x65,0xcc,0x86,0x00,0x01,0xff,0x65, - 0xcc,0x86,0x00,0x10,0x08,0x01,0xff,0x65,0xcc,0x87,0x00,0x01,0xff,0x65,0xcc,0x87, - 0x00,0xd2,0x20,0xd1,0x10,0x10,0x08,0x01,0xff,0x65,0xcc,0xa8,0x00,0x01,0xff,0x65, - 0xcc,0xa8,0x00,0x10,0x08,0x01,0xff,0x65,0xcc,0x8c,0x00,0x01,0xff,0x65,0xcc,0x8c, - 0x00,0xd1,0x10,0x10,0x08,0x01,0xff,0x67,0xcc,0x82,0x00,0x01,0xff,0x67,0xcc,0x82, - 0x00,0x10,0x08,0x01,0xff,0x67,0xcc,0x86,0x00,0x01,0xff,0x67,0xcc,0x86,0x00,0xd4, - 0x7b,0xd3,0x3b,0xd2,0x20,0xd1,0x10,0x10,0x08,0x01,0xff,0x67,0xcc,0x87,0x00,0x01, - 0xff,0x67,0xcc,0x87,0x00,0x10,0x08,0x01,0xff,0x67,0xcc,0xa7,0x00,0x01,0xff,0x67, - 0xcc,0xa7,0x00,0xd1,0x10,0x10,0x08,0x01,0xff,0x68,0xcc,0x82,0x00,0x01,0xff,0x68, - 0xcc,0x82,0x00,0x10,0x07,0x01,0xff,0xc4,0xa7,0x00,0x01,0x00,0xd2,0x20,0xd1,0x10, - 0x10,0x08,0x01,0xff,0x69,0xcc,0x83,0x00,0x01,0xff,0x69,0xcc,0x83,0x00,0x10,0x08, - 0x01,0xff,0x69,0xcc,0x84,0x00,0x01,0xff,0x69,0xcc,0x84,0x00,0xd1,0x10,0x10,0x08, - 0x01,0xff,0x69,0xcc,0x86,0x00,0x01,0xff,0x69,0xcc,0x86,0x00,0x10,0x08,0x01,0xff, - 0x69,0xcc,0xa8,0x00,0x01,0xff,0x69,0xcc,0xa8,0x00,0xd3,0x37,0xd2,0x17,0xd1,0x0c, - 0x10,0x08,0x01,0xff,0x69,0xcc,0x87,0x00,0x01,0x00,0x10,0x07,0x01,0xff,0xc4,0xb3, - 0x00,0x01,0x00,0xd1,0x10,0x10,0x08,0x01,0xff,0x6a,0xcc,0x82,0x00,0x01,0xff,0x6a, - 0xcc,0x82,0x00,0x10,0x08,0x01,0xff,0x6b,0xcc,0xa7,0x00,0x01,0xff,0x6b,0xcc,0xa7, - 0x00,0xd2,0x1c,0xd1,0x0c,0x10,0x04,0x01,0x00,0x01,0xff,0x6c,0xcc,0x81,0x00,0x10, - 0x08,0x01,0xff,0x6c,0xcc,0x81,0x00,0x01,0xff,0x6c,0xcc,0xa7,0x00,0xd1,0x10,0x10, - 0x08,0x01,0xff,0x6c,0xcc,0xa7,0x00,0x01,0xff,0x6c,0xcc,0x8c,0x00,0x10,0x08,0x01, - 0xff,0x6c,0xcc,0x8c,0x00,0x01,0xff,0xc5,0x80,0x00,0xcf,0x86,0xd5,0xed,0xd4,0x72, - 0xd3,0x37,0xd2,0x17,0xd1,0x0b,0x10,0x04,0x01,0x00,0x01,0xff,0xc5,0x82,0x00,0x10, - 0x04,0x01,0x00,0x01,0xff,0x6e,0xcc,0x81,0x00,0xd1,0x10,0x10,0x08,0x01,0xff,0x6e, - 0xcc,0x81,0x00,0x01,0xff,0x6e,0xcc,0xa7,0x00,0x10,0x08,0x01,0xff,0x6e,0xcc,0xa7, - 0x00,0x01,0xff,0x6e,0xcc,0x8c,0x00,0xd2,0x1b,0xd1,0x10,0x10,0x08,0x01,0xff,0x6e, - 0xcc,0x8c,0x00,0x01,0xff,0xca,0xbc,0x6e,0x00,0x10,0x07,0x01,0xff,0xc5,0x8b,0x00, - 0x01,0x00,0xd1,0x10,0x10,0x08,0x01,0xff,0x6f,0xcc,0x84,0x00,0x01,0xff,0x6f,0xcc, - 0x84,0x00,0x10,0x08,0x01,0xff,0x6f,0xcc,0x86,0x00,0x01,0xff,0x6f,0xcc,0x86,0x00, - 0xd3,0x3b,0xd2,0x1b,0xd1,0x10,0x10,0x08,0x01,0xff,0x6f,0xcc,0x8b,0x00,0x01,0xff, - 0x6f,0xcc,0x8b,0x00,0x10,0x07,0x01,0xff,0xc5,0x93,0x00,0x01,0x00,0xd1,0x10,0x10, - 0x08,0x01,0xff,0x72,0xcc,0x81,0x00,0x01,0xff,0x72,0xcc,0x81,0x00,0x10,0x08,0x01, - 0xff,0x72,0xcc,0xa7,0x00,0x01,0xff,0x72,0xcc,0xa7,0x00,0xd2,0x20,0xd1,0x10,0x10, - 0x08,0x01,0xff,0x72,0xcc,0x8c,0x00,0x01,0xff,0x72,0xcc,0x8c,0x00,0x10,0x08,0x01, - 0xff,0x73,0xcc,0x81,0x00,0x01,0xff,0x73,0xcc,0x81,0x00,0xd1,0x10,0x10,0x08,0x01, - 0xff,0x73,0xcc,0x82,0x00,0x01,0xff,0x73,0xcc,0x82,0x00,0x10,0x08,0x01,0xff,0x73, - 0xcc,0xa7,0x00,0x01,0xff,0x73,0xcc,0xa7,0x00,0xd4,0x7b,0xd3,0x3b,0xd2,0x20,0xd1, - 0x10,0x10,0x08,0x01,0xff,0x73,0xcc,0x8c,0x00,0x01,0xff,0x73,0xcc,0x8c,0x00,0x10, - 0x08,0x01,0xff,0x74,0xcc,0xa7,0x00,0x01,0xff,0x74,0xcc,0xa7,0x00,0xd1,0x10,0x10, - 0x08,0x01,0xff,0x74,0xcc,0x8c,0x00,0x01,0xff,0x74,0xcc,0x8c,0x00,0x10,0x07,0x01, - 0xff,0xc5,0xa7,0x00,0x01,0x00,0xd2,0x20,0xd1,0x10,0x10,0x08,0x01,0xff,0x75,0xcc, - 0x83,0x00,0x01,0xff,0x75,0xcc,0x83,0x00,0x10,0x08,0x01,0xff,0x75,0xcc,0x84,0x00, - 0x01,0xff,0x75,0xcc,0x84,0x00,0xd1,0x10,0x10,0x08,0x01,0xff,0x75,0xcc,0x86,0x00, - 0x01,0xff,0x75,0xcc,0x86,0x00,0x10,0x08,0x01,0xff,0x75,0xcc,0x8a,0x00,0x01,0xff, - 0x75,0xcc,0x8a,0x00,0xd3,0x40,0xd2,0x20,0xd1,0x10,0x10,0x08,0x01,0xff,0x75,0xcc, - 0x8b,0x00,0x01,0xff,0x75,0xcc,0x8b,0x00,0x10,0x08,0x01,0xff,0x75,0xcc,0xa8,0x00, - 0x01,0xff,0x75,0xcc,0xa8,0x00,0xd1,0x10,0x10,0x08,0x01,0xff,0x77,0xcc,0x82,0x00, - 0x01,0xff,0x77,0xcc,0x82,0x00,0x10,0x08,0x01,0xff,0x79,0xcc,0x82,0x00,0x01,0xff, - 0x79,0xcc,0x82,0x00,0xd2,0x20,0xd1,0x10,0x10,0x08,0x01,0xff,0x79,0xcc,0x88,0x00, - 0x01,0xff,0x7a,0xcc,0x81,0x00,0x10,0x08,0x01,0xff,0x7a,0xcc,0x81,0x00,0x01,0xff, - 0x7a,0xcc,0x87,0x00,0xd1,0x10,0x10,0x08,0x01,0xff,0x7a,0xcc,0x87,0x00,0x01,0xff, - 0x7a,0xcc,0x8c,0x00,0x10,0x08,0x01,0xff,0x7a,0xcc,0x8c,0x00,0x01,0xff,0x73,0x00, - 0xe0,0x65,0x01,0xcf,0x86,0xd5,0xb4,0xd4,0x5a,0xd3,0x2f,0xd2,0x16,0xd1,0x0b,0x10, - 0x04,0x01,0x00,0x01,0xff,0xc9,0x93,0x00,0x10,0x07,0x01,0xff,0xc6,0x83,0x00,0x01, - 0x00,0xd1,0x0b,0x10,0x07,0x01,0xff,0xc6,0x85,0x00,0x01,0x00,0x10,0x07,0x01,0xff, - 0xc9,0x94,0x00,0x01,0xff,0xc6,0x88,0x00,0xd2,0x19,0xd1,0x0b,0x10,0x04,0x01,0x00, - 0x01,0xff,0xc9,0x96,0x00,0x10,0x07,0x01,0xff,0xc9,0x97,0x00,0x01,0xff,0xc6,0x8c, - 0x00,0x51,0x04,0x01,0x00,0x10,0x07,0x01,0xff,0xc7,0x9d,0x00,0x01,0xff,0xc9,0x99, - 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0xae,0x00,0x12,0xff,0xf0,0x9e,0xa4,0xaf,0x00,0x10,0x09,0x12,0xff,0xf0,0x9e,0xa4, - 0xb0,0x00,0x12,0xff,0xf0,0x9e,0xa4,0xb1,0x00,0xd3,0x48,0xd2,0x24,0xd1,0x12,0x10, - 0x09,0x12,0xff,0xf0,0x9e,0xa4,0xb2,0x00,0x12,0xff,0xf0,0x9e,0xa4,0xb3,0x00,0x10, - 0x09,0x12,0xff,0xf0,0x9e,0xa4,0xb4,0x00,0x12,0xff,0xf0,0x9e,0xa4,0xb5,0x00,0xd1, - 0x12,0x10,0x09,0x12,0xff,0xf0,0x9e,0xa4,0xb6,0x00,0x12,0xff,0xf0,0x9e,0xa4,0xb7, - 0x00,0x10,0x09,0x12,0xff,0xf0,0x9e,0xa4,0xb8,0x00,0x12,0xff,0xf0,0x9e,0xa4,0xb9, - 0x00,0xd2,0x24,0xd1,0x12,0x10,0x09,0x12,0xff,0xf0,0x9e,0xa4,0xba,0x00,0x12,0xff, - 0xf0,0x9e,0xa4,0xbb,0x00,0x10,0x09,0x12,0xff,0xf0,0x9e,0xa4,0xbc,0x00,0x12,0xff, - 0xf0,0x9e,0xa4,0xbd,0x00,0xd1,0x12,0x10,0x09,0x12,0xff,0xf0,0x9e,0xa4,0xbe,0x00, - 0x12,0xff,0xf0,0x9e,0xa4,0xbf,0x00,0x10,0x09,0x12,0xff,0xf0,0x9e,0xa5,0x80,0x00, - 0x12,0xff,0xf0,0x9e,0xa5,0x81,0x00,0x94,0x1e,0x93,0x1a,0x92,0x16,0x91,0x12,0x10, - 0x09,0x12,0xff,0xf0,0x9e,0xa5,0x82,0x00,0x12,0xff,0xf0,0x9e,0xa5,0x83,0x00,0x12, - 0x00,0x12,0x00,0x12,0x00,0x12,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, - 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, - 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, - /* nfdi_c0100 */ - 0x57,0x04,0x01,0x00,0xc6,0xe5,0xac,0x13,0xe4,0x41,0x0c,0xe3,0x7a,0x07,0xe2,0xf3, - 0x01,0xc1,0xd0,0x1f,0xcf,0x86,0x55,0x04,0x01,0x00,0x94,0x15,0x53,0x04,0x01,0x00, - 0x52,0x04,0x01,0x00,0x91,0x09,0x10,0x04,0x01,0x00,0x01,0xff,0x00,0x01,0x00,0x01, - 0x00,0xcf,0x86,0xd5,0xe4,0xd4,0x7c,0xd3,0x3c,0xd2,0x20,0xd1,0x10,0x10,0x08,0x01, - 0xff,0x41,0xcc,0x80,0x00,0x01,0xff,0x41,0xcc,0x81,0x00,0x10,0x08,0x01,0xff,0x41, - 0xcc,0x82,0x00,0x01,0xff,0x41,0xcc,0x83,0x00,0xd1,0x10,0x10,0x08,0x01,0xff,0x41, - 0xcc,0x88,0x00,0x01,0xff,0x41,0xcc,0x8a,0x00,0x10,0x04,0x01,0x00,0x01,0xff,0x43, - 0xcc,0xa7,0x00,0xd2,0x20,0xd1,0x10,0x10,0x08,0x01,0xff,0x45,0xcc,0x80,0x00,0x01, - 0xff,0x45,0xcc,0x81,0x00,0x10,0x08,0x01,0xff,0x45,0xcc,0x82,0x00,0x01,0xff,0x45, - 0xcc,0x88,0x00,0xd1,0x10,0x10,0x08,0x01,0xff,0x49,0xcc,0x80,0x00,0x01,0xff,0x49, - 0xcc,0x81,0x00,0x10,0x08,0x01,0xff,0x49,0xcc,0x82,0x00,0x01,0xff,0x49,0xcc,0x88, - 0x00,0xd3,0x38,0xd2,0x1c,0xd1,0x0c,0x10,0x04,0x01,0x00,0x01,0xff,0x4e,0xcc,0x83, - 0x00,0x10,0x08,0x01,0xff,0x4f,0xcc,0x80,0x00,0x01,0xff,0x4f,0xcc,0x81,0x00,0xd1, - 0x10,0x10,0x08,0x01,0xff,0x4f,0xcc,0x82,0x00,0x01,0xff,0x4f,0xcc,0x83,0x00,0x10, - 0x08,0x01,0xff,0x4f,0xcc,0x88,0x00,0x01,0x00,0xd2,0x1c,0xd1,0x0c,0x10,0x04,0x01, - 0x00,0x01,0xff,0x55,0xcc,0x80,0x00,0x10,0x08,0x01,0xff,0x55,0xcc,0x81,0x00,0x01, - 0xff,0x55,0xcc,0x82,0x00,0x91,0x10,0x10,0x08,0x01,0xff,0x55,0xcc,0x88,0x00,0x01, - 0xff,0x59,0xcc,0x81,0x00,0x01,0x00,0xd4,0x7c,0xd3,0x3c,0xd2,0x20,0xd1,0x10,0x10, - 0x08,0x01,0xff,0x61,0xcc,0x80,0x00,0x01,0xff,0x61,0xcc,0x81,0x00,0x10,0x08,0x01, - 0xff,0x61,0xcc,0x82,0x00,0x01,0xff,0x61,0xcc,0x83,0x00,0xd1,0x10,0x10,0x08,0x01, - 0xff,0x61,0xcc,0x88,0x00,0x01,0xff,0x61,0xcc,0x8a,0x00,0x10,0x04,0x01,0x00,0x01, + 0xc6,0xe5,0xf6,0x14,0xe4,0x6c,0x0d,0xe3,0x36,0x08,0xe2,0x1f,0x01,0xc1,0xd0,0x21, + 0xcf,0x86,0x55,0x04,0x01,0x00,0x54,0x04,0x01,0x00,0x93,0x13,0x52,0x04,0x01,0x00, + 0x91,0x0b,0x10,0x04,0x01,0x00,0x01,0xff,0xce,0xbc,0x00,0x01,0x00,0x01,0x00,0xcf, + 0x86,0xe5,0x9d,0x44,0xd4,0x7f,0xd3,0x3f,0xd2,0x20,0xd1,0x10,0x10,0x08,0x01,0xff, + 0x61,0xcc,0x80,0x00,0x01,0xff,0x61,0xcc,0x81,0x00,0x10,0x08,0x01,0xff,0x61,0xcc, + 0x82,0x00,0x01,0xff,0x61,0xcc,0x83,0x00,0xd1,0x10,0x10,0x08,0x01,0xff,0x61,0xcc, + 0x88,0x00,0x01,0xff,0x61,0xcc,0x8a,0x00,0x10,0x07,0x01,0xff,0xc3,0xa6,0x00,0x01, 0xff,0x63,0xcc,0xa7,0x00,0xd2,0x20,0xd1,0x10,0x10,0x08,0x01,0xff,0x65,0xcc,0x80, 0x00,0x01,0xff,0x65,0xcc,0x81,0x00,0x10,0x08,0x01,0xff,0x65,0xcc,0x82,0x00,0x01, 0xff,0x65,0xcc,0x88,0x00,0xd1,0x10,0x10,0x08,0x01,0xff,0x69,0xcc,0x80,0x00,0x01, 0xff,0x69,0xcc,0x81,0x00,0x10,0x08,0x01,0xff,0x69,0xcc,0x82,0x00,0x01,0xff,0x69, - 0xcc,0x88,0x00,0xd3,0x38,0xd2,0x1c,0xd1,0x0c,0x10,0x04,0x01,0x00,0x01,0xff,0x6e, - 0xcc,0x83,0x00,0x10,0x08,0x01,0xff,0x6f,0xcc,0x80,0x00,0x01,0xff,0x6f,0xcc,0x81, - 0x00,0xd1,0x10,0x10,0x08,0x01,0xff,0x6f,0xcc,0x82,0x00,0x01,0xff,0x6f,0xcc,0x83, - 0x00,0x10,0x08,0x01,0xff,0x6f,0xcc,0x88,0x00,0x01,0x00,0xd2,0x1c,0xd1,0x0c,0x10, - 0x04,0x01,0x00,0x01,0xff,0x75,0xcc,0x80,0x00,0x10,0x08,0x01,0xff,0x75,0xcc,0x81, - 0x00,0x01,0xff,0x75,0xcc,0x82,0x00,0xd1,0x10,0x10,0x08,0x01,0xff,0x75,0xcc,0x88, - 0x00,0x01,0xff,0x79,0xcc,0x81,0x00,0x10,0x04,0x01,0x00,0x01,0xff,0x79,0xcc,0x88, - 0x00,0xe1,0x9a,0x03,0xe0,0xd3,0x01,0xcf,0x86,0xd5,0xf4,0xd4,0x80,0xd3,0x40,0xd2, - 0x20,0xd1,0x10,0x10,0x08,0x01,0xff,0x41,0xcc,0x84,0x00,0x01,0xff,0x61,0xcc,0x84, - 0x00,0x10,0x08,0x01,0xff,0x41,0xcc,0x86,0x00,0x01,0xff,0x61,0xcc,0x86,0x00,0xd1, - 0x10,0x10,0x08,0x01,0xff,0x41,0xcc,0xa8,0x00,0x01,0xff,0x61,0xcc,0xa8,0x00,0x10, - 0x08,0x01,0xff,0x43,0xcc,0x81,0x00,0x01,0xff,0x63,0xcc,0x81,0x00,0xd2,0x20,0xd1, - 0x10,0x10,0x08,0x01,0xff,0x43,0xcc,0x82,0x00,0x01,0xff,0x63,0xcc,0x82,0x00,0x10, - 0x08,0x01,0xff,0x43,0xcc,0x87,0x00,0x01,0xff,0x63,0xcc,0x87,0x00,0xd1,0x10,0x10, - 0x08,0x01,0xff,0x43,0xcc,0x8c,0x00,0x01,0xff,0x63,0xcc,0x8c,0x00,0x10,0x08,0x01, - 0xff,0x44,0xcc,0x8c,0x00,0x01,0xff,0x64,0xcc,0x8c,0x00,0xd3,0x34,0xd2,0x14,0x51, - 0x04,0x01,0x00,0x10,0x08,0x01,0xff,0x45,0xcc,0x84,0x00,0x01,0xff,0x65,0xcc,0x84, - 0x00,0xd1,0x10,0x10,0x08,0x01,0xff,0x45,0xcc,0x86,0x00,0x01,0xff,0x65,0xcc,0x86, - 0x00,0x10,0x08,0x01,0xff,0x45,0xcc,0x87,0x00,0x01,0xff,0x65,0xcc,0x87,0x00,0xd2, - 0x20,0xd1,0x10,0x10,0x08,0x01,0xff,0x45,0xcc,0xa8,0x00,0x01,0xff,0x65,0xcc,0xa8, - 0x00,0x10,0x08,0x01,0xff,0x45,0xcc,0x8c,0x00,0x01,0xff,0x65,0xcc,0x8c,0x00,0xd1, - 0x10,0x10,0x08,0x01,0xff,0x47,0xcc,0x82,0x00,0x01,0xff,0x67,0xcc,0x82,0x00,0x10, - 0x08,0x01,0xff,0x47,0xcc,0x86,0x00,0x01,0xff,0x67,0xcc,0x86,0x00,0xd4,0x74,0xd3, - 0x34,0xd2,0x20,0xd1,0x10,0x10,0x08,0x01,0xff,0x47,0xcc,0x87,0x00,0x01,0xff,0x67, - 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0x96,0xb9,0xab,0x00,0xd1,0x12,0x10,0x09,0x14,0xff,0xf0,0x96,0xb9,0xac,0x00,0x14, + 0xff,0xf0,0x96,0xb9,0xad,0x00,0x10,0x09,0x14,0xff,0xf0,0x96,0xb9,0xae,0x00,0x14, + 0xff,0xf0,0x96,0xb9,0xaf,0x00,0xd3,0x48,0xd2,0x24,0xd1,0x12,0x10,0x09,0x14,0xff, + 0xf0,0x96,0xb9,0xb0,0x00,0x14,0xff,0xf0,0x96,0xb9,0xb1,0x00,0x10,0x09,0x14,0xff, + 0xf0,0x96,0xb9,0xb2,0x00,0x14,0xff,0xf0,0x96,0xb9,0xb3,0x00,0xd1,0x12,0x10,0x09, + 0x14,0xff,0xf0,0x96,0xb9,0xb4,0x00,0x14,0xff,0xf0,0x96,0xb9,0xb5,0x00,0x10,0x09, + 0x14,0xff,0xf0,0x96,0xb9,0xb6,0x00,0x14,0xff,0xf0,0x96,0xb9,0xb7,0x00,0xd2,0x24, + 0xd1,0x12,0x10,0x09,0x14,0xff,0xf0,0x96,0xb9,0xb8,0x00,0x14,0xff,0xf0,0x96,0xb9, + 0xb9,0x00,0x10,0x09,0x14,0xff,0xf0,0x96,0xb9,0xba,0x00,0x14,0xff,0xf0,0x96,0xb9, + 0xbb,0x00,0xd1,0x12,0x10,0x09,0x14,0xff,0xf0,0x96,0xb9,0xbc,0x00,0x14,0xff,0xf0, + 0x96,0xb9,0xbd,0x00,0x10,0x09,0x14,0xff,0xf0,0x96,0xb9,0xbe,0x00,0x14,0xff,0xf0, + 0x96,0xb9,0xbf,0x00,0x14,0x00,0xd2,0x14,0xe1,0x8d,0x81,0xe0,0x84,0x81,0xcf,0x86, + 0xe5,0x45,0x81,0xe4,0x02,0x81,0xcf,0x06,0x12,0x00,0xd1,0x0b,0xe0,0xb8,0x82,0xcf, + 0x86,0xcf,0x06,0x00,0x00,0xe0,0xf8,0x8a,0xcf,0x86,0xd5,0x22,0xe4,0x33,0x88,0xe3, + 0xf6,0x87,0xe2,0x9b,0x87,0xe1,0x94,0x87,0xe0,0x8d,0x87,0xcf,0x86,0xe5,0x5e,0x87, + 0xe4,0x45,0x87,0x93,0x07,0x62,0x34,0x87,0x12,0xe6,0x12,0xe6,0xe4,0x99,0x88,0xe3, + 0x92,0x88,0xd2,0x09,0xe1,0x1b,0x88,0xcf,0x06,0x10,0x00,0xe1,0x82,0x88,0xe0,0x4f, + 0x88,0xcf,0x86,0xe5,0x21,0x01,0xd4,0x90,0xd3,0x48,0xd2,0x24,0xd1,0x12,0x10,0x09, + 0x12,0xff,0xf0,0x9e,0xa4,0xa2,0x00,0x12,0xff,0xf0,0x9e,0xa4,0xa3,0x00,0x10,0x09, + 0x12,0xff,0xf0,0x9e,0xa4,0xa4,0x00,0x12,0xff,0xf0,0x9e,0xa4,0xa5,0x00,0xd1,0x12, + 0x10,0x09,0x12,0xff,0xf0,0x9e,0xa4,0xa6,0x00,0x12,0xff,0xf0,0x9e,0xa4,0xa7,0x00, + 0x10,0x09,0x12,0xff,0xf0,0x9e,0xa4,0xa8,0x00,0x12,0xff,0xf0,0x9e,0xa4,0xa9,0x00, + 0xd2,0x24,0xd1,0x12,0x10,0x09,0x12,0xff,0xf0,0x9e,0xa4,0xaa,0x00,0x12,0xff,0xf0, + 0x9e,0xa4,0xab,0x00,0x10,0x09,0x12,0xff,0xf0,0x9e,0xa4,0xac,0x00,0x12,0xff,0xf0, + 0x9e,0xa4,0xad,0x00,0xd1,0x12,0x10,0x09,0x12,0xff,0xf0,0x9e,0xa4,0xae,0x00,0x12, + 0xff,0xf0,0x9e,0xa4,0xaf,0x00,0x10,0x09,0x12,0xff,0xf0,0x9e,0xa4,0xb0,0x00,0x12, + 0xff,0xf0,0x9e,0xa4,0xb1,0x00,0xd3,0x48,0xd2,0x24,0xd1,0x12,0x10,0x09,0x12,0xff, + 0xf0,0x9e,0xa4,0xb2,0x00,0x12,0xff,0xf0,0x9e,0xa4,0xb3,0x00,0x10,0x09,0x12,0xff, + 0xf0,0x9e,0xa4,0xb4,0x00,0x12,0xff,0xf0,0x9e,0xa4,0xb5,0x00,0xd1,0x12,0x10,0x09, + 0x12,0xff,0xf0,0x9e,0xa4,0xb6,0x00,0x12,0xff,0xf0,0x9e,0xa4,0xb7,0x00,0x10,0x09, + 0x12,0xff,0xf0,0x9e,0xa4,0xb8,0x00,0x12,0xff,0xf0,0x9e,0xa4,0xb9,0x00,0xd2,0x24, + 0xd1,0x12,0x10,0x09,0x12,0xff,0xf0,0x9e,0xa4,0xba,0x00,0x12,0xff,0xf0,0x9e,0xa4, + 0xbb,0x00,0x10,0x09,0x12,0xff,0xf0,0x9e,0xa4,0xbc,0x00,0x12,0xff,0xf0,0x9e,0xa4, + 0xbd,0x00,0xd1,0x12,0x10,0x09,0x12,0xff,0xf0,0x9e,0xa4,0xbe,0x00,0x12,0xff,0xf0, + 0x9e,0xa4,0xbf,0x00,0x10,0x09,0x12,0xff,0xf0,0x9e,0xa5,0x80,0x00,0x12,0xff,0xf0, + 0x9e,0xa5,0x81,0x00,0x94,0x1e,0x93,0x1a,0x92,0x16,0x91,0x12,0x10,0x09,0x12,0xff, + 0xf0,0x9e,0xa5,0x82,0x00,0x12,0xff,0xf0,0x9e,0xa5,0x83,0x00,0x12,0x00,0x12,0x00, + 0x12,0x00,0x12,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, + 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, + 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, + /* nfdi_c0100 */ + 0x57,0x04,0x01,0x00,0xc6,0xe5,0x91,0x13,0xe4,0x27,0x0c,0xe3,0x61,0x07,0xe2,0xda, + 0x01,0xc1,0xd0,0x06,0xcf,0x06,0x01,0x00,0xcf,0x86,0xd5,0xe4,0xd4,0x7c,0xd3,0x3c, + 0xd2,0x20,0xd1,0x10,0x10,0x08,0x01,0xff,0x41,0xcc,0x80,0x00,0x01,0xff,0x41,0xcc, + 0x81,0x00,0x10,0x08,0x01,0xff,0x41,0xcc,0x82,0x00,0x01,0xff,0x41,0xcc,0x83,0x00, + 0xd1,0x10,0x10,0x08,0x01,0xff,0x41,0xcc,0x88,0x00,0x01,0xff,0x41,0xcc,0x8a,0x00, + 0x10,0x04,0x01,0x00,0x01,0xff,0x43,0xcc,0xa7,0x00,0xd2,0x20,0xd1,0x10,0x10,0x08, + 0x01,0xff,0x45,0xcc,0x80,0x00,0x01,0xff,0x45,0xcc,0x81,0x00,0x10,0x08,0x01,0xff, + 0x45,0xcc,0x82,0x00,0x01,0xff,0x45,0xcc,0x88,0x00,0xd1,0x10,0x10,0x08,0x01,0xff, + 0x49,0xcc,0x80,0x00,0x01,0xff,0x49,0xcc,0x81,0x00,0x10,0x08,0x01,0xff,0x49,0xcc, + 0x82,0x00,0x01,0xff,0x49,0xcc,0x88,0x00,0xd3,0x38,0xd2,0x1c,0xd1,0x0c,0x10,0x04, + 0x01,0x00,0x01,0xff,0x4e,0xcc,0x83,0x00,0x10,0x08,0x01,0xff,0x4f,0xcc,0x80,0x00, + 0x01,0xff,0x4f,0xcc,0x81,0x00,0xd1,0x10,0x10,0x08,0x01,0xff,0x4f,0xcc,0x82,0x00, + 0x01,0xff,0x4f,0xcc,0x83,0x00,0x10,0x08,0x01,0xff,0x4f,0xcc,0x88,0x00,0x01,0x00, + 0xd2,0x1c,0xd1,0x0c,0x10,0x04,0x01,0x00,0x01,0xff,0x55,0xcc,0x80,0x00,0x10,0x08, + 0x01,0xff,0x55,0xcc,0x81,0x00,0x01,0xff,0x55,0xcc,0x82,0x00,0x91,0x10,0x10,0x08, + 0x01,0xff,0x55,0xcc,0x88,0x00,0x01,0xff,0x59,0xcc,0x81,0x00,0x01,0x00,0xd4,0x7c, + 0xd3,0x3c,0xd2,0x20,0xd1,0x10,0x10,0x08,0x01,0xff,0x61,0xcc,0x80,0x00,0x01,0xff, + 0x61,0xcc,0x81,0x00,0x10,0x08,0x01,0xff,0x61,0xcc,0x82,0x00,0x01,0xff,0x61,0xcc, + 0x83,0x00,0xd1,0x10,0x10,0x08,0x01,0xff,0x61,0xcc,0x88,0x00,0x01,0xff,0x61,0xcc, + 0x8a,0x00,0x10,0x04,0x01,0x00,0x01,0xff,0x63,0xcc,0xa7,0x00,0xd2,0x20,0xd1,0x10, + 0x10,0x08,0x01,0xff,0x65,0xcc,0x80,0x00,0x01,0xff,0x65,0xcc,0x81,0x00,0x10,0x08, + 0x01,0xff,0x65,0xcc,0x82,0x00,0x01,0xff,0x65,0xcc,0x88,0x00,0xd1,0x10,0x10,0x08, + 0x01,0xff,0x69,0xcc,0x80,0x00,0x01,0xff,0x69,0xcc,0x81,0x00,0x10,0x08,0x01,0xff, + 0x69,0xcc,0x82,0x00,0x01,0xff,0x69,0xcc,0x88,0x00,0xd3,0x38,0xd2,0x1c,0xd1,0x0c, + 0x10,0x04,0x01,0x00,0x01,0xff,0x6e,0xcc,0x83,0x00,0x10,0x08,0x01,0xff,0x6f,0xcc, + 0x80,0x00,0x01,0xff,0x6f,0xcc,0x81,0x00,0xd1,0x10,0x10,0x08,0x01,0xff,0x6f,0xcc, + 0x82,0x00,0x01,0xff,0x6f,0xcc,0x83,0x00,0x10,0x08,0x01,0xff,0x6f,0xcc,0x88,0x00, + 0x01,0x00,0xd2,0x1c,0xd1,0x0c,0x10,0x04,0x01,0x00,0x01,0xff,0x75,0xcc,0x80,0x00, + 0x10,0x08,0x01,0xff,0x75,0xcc,0x81,0x00,0x01,0xff,0x75,0xcc,0x82,0x00,0xd1,0x10, + 0x10,0x08,0x01,0xff,0x75,0xcc,0x88,0x00,0x01,0xff,0x79,0xcc,0x81,0x00,0x10,0x04, + 0x01,0x00,0x01,0xff,0x79,0xcc,0x88,0x00,0xe1,0x9a,0x03,0xe0,0xd3,0x01,0xcf,0x86, + 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0xa5,0xf0,0x9d,0x85,0xae,0x00,0x05,0xff,0xf0,0x9d,0x85,0x98,0xf0,0x9d,0x85,0xa5, + 0xf0,0x9d,0x85,0xaf,0x00,0x10,0x11,0x05,0xff,0xf0,0x9d,0x85,0x98,0xf0,0x9d,0x85, + 0xa5,0xf0,0x9d,0x85,0xb0,0x00,0x05,0xff,0xf0,0x9d,0x85,0x98,0xf0,0x9d,0x85,0xa5, + 0xf0,0x9d,0x85,0xb1,0x00,0xd1,0x15,0x10,0x11,0x05,0xff,0xf0,0x9d,0x85,0x98,0xf0, + 0x9d,0x85,0xa5,0xf0,0x9d,0x85,0xb2,0x00,0x05,0xd8,0x10,0x04,0x05,0xd8,0x05,0x01, + 0xd2,0x08,0x11,0x04,0x05,0x01,0x05,0x00,0x91,0x08,0x10,0x04,0x05,0x00,0x05,0xe2, + 0x05,0xd8,0xd3,0x10,0x92,0x0c,0x51,0x04,0x05,0xd8,0x10,0x04,0x05,0xd8,0x05,0x00, + 0x05,0x00,0x92,0x0c,0x51,0x04,0x05,0x00,0x10,0x04,0x05,0x00,0x05,0xdc,0x05,0xdc, 0xd0,0x97,0xcf,0x86,0xd5,0x28,0x94,0x24,0xd3,0x18,0xd2,0x0c,0x51,0x04,0x05,0xdc, 0x10,0x04,0x05,0xdc,0x05,0x00,0x91,0x08,0x10,0x04,0x05,0x00,0x05,0xe6,0x05,0xe6, 0x92,0x08,0x11,0x04,0x05,0xe6,0x05,0xdc,0x05,0x00,0x05,0x00,0xd4,0x14,0x53,0x04, @@ -4091,19 +4081,18 @@ static const unsigned char utf8data[64256] = { 0x00,0xd3,0x06,0xcf,0x06,0x00,0x00,0xd2,0x06,0xcf,0x06,0x00,0x00,0xd1,0x06,0xcf, 0x06,0x00,0x00,0xd0,0x06,0xcf,0x06,0x00,0x00,0xcf,0x86,0x55,0x04,0x00,0x00,0x54, 0x04,0x00,0x00,0x53,0x04,0x00,0x00,0x52,0x04,0x00,0x00,0x11,0x04,0x00,0x00,0x02, - 0x00,0xd4,0xd9,0xd3,0x81,0xd2,0x79,0xd1,0x71,0xd0,0x69,0xcf,0x86,0xd5,0x60,0xd4, - 0x59,0xd3,0x52,0xd2,0x33,0xd1,0x2c,0xd0,0x25,0xcf,0x86,0x95,0x1e,0x94,0x19,0x93, - 0x14,0x92,0x0f,0x91,0x0a,0x10,0x05,0x00,0xff,0x00,0x05,0xff,0x00,0x00,0xff,0x00, - 0x00,0xff,0x00,0x00,0xff,0x00,0x00,0xff,0x00,0x05,0xff,0x00,0xcf,0x06,0x05,0xff, - 0x00,0xcf,0x06,0x00,0xff,0x00,0xd1,0x07,0xcf,0x06,0x07,0xff,0x00,0xd0,0x07,0xcf, - 0x06,0x07,0xff,0x00,0xcf,0x86,0x55,0x05,0x07,0xff,0x00,0x14,0x05,0x07,0xff,0x00, - 0x00,0xff,0x00,0xcf,0x06,0x00,0xff,0x00,0xcf,0x06,0x00,0xff,0x00,0xcf,0x06,0x00, - 0xff,0x00,0xcf,0x86,0xcf,0x06,0x00,0x00,0xcf,0x86,0xcf,0x06,0x00,0x00,0xcf,0x86, - 0xcf,0x06,0x00,0x00,0xd2,0x08,0xcf,0x86,0xcf,0x06,0x00,0x00,0xd1,0x08,0xcf,0x86, - 0xcf,0x06,0x00,0x00,0xd0,0x08,0xcf,0x86,0xcf,0x06,0x00,0x00,0xcf,0x86,0xd5,0x06, - 0xcf,0x06,0x00,0x00,0xd4,0x06,0xcf,0x06,0x00,0x00,0xd3,0x06,0xcf,0x06,0x00,0x00, - 0xd2,0x06,0xcf,0x06,0x00,0x00,0xd1,0x06,0xcf,0x06,0x00,0x00,0xd0,0x06,0xcf,0x06, - 0x00,0x00,0xcf,0x86,0x55,0x04,0x00,0x00,0x54,0x04,0x00,0x00,0x53,0x04,0x00,0x00, - 0x52,0x04,0x00,0x00,0x11,0x04,0x00,0x00,0x02,0x00,0xcf,0x86,0xcf,0x06,0x02,0x00, - 0x81,0x80,0xcf,0x86,0x85,0x84,0xcf,0x86,0xcf,0x06,0x02,0x00,0x00,0x00,0x00,0x00 + 0x00,0xd4,0xc8,0xd3,0x70,0xd2,0x68,0xd1,0x60,0xd0,0x58,0xcf,0x86,0xd5,0x50,0xd4, + 0x4a,0xd3,0x44,0xd2,0x2a,0xd1,0x24,0xd0,0x1e,0xcf,0x86,0x95,0x18,0x94,0x14,0x93, + 0x10,0x92,0x0c,0x91,0x08,0x10,0x04,0x00,0x00,0x05,0x00,0x00,0x00,0x00,0x00,0x00, + 0x00,0x00,0x00,0x05,0x00,0xcf,0x06,0x05,0x00,0xcf,0x06,0x00,0x00,0xd1,0x06,0xcf, + 0x06,0x07,0x00,0xd0,0x06,0xcf,0x06,0x07,0x00,0xcf,0x86,0x55,0x04,0x07,0x00,0x14, + 0x04,0x07,0x00,0x00,0x00,0xcf,0x06,0x00,0x00,0xcf,0x06,0x00,0x00,0xcf,0x06,0x00, + 0x00,0xcf,0x86,0xcf,0x06,0x00,0x00,0xcf,0x86,0xcf,0x06,0x00,0x00,0xcf,0x86,0xcf, + 0x06,0x00,0x00,0xd2,0x08,0xcf,0x86,0xcf,0x06,0x00,0x00,0xd1,0x08,0xcf,0x86,0xcf, + 0x06,0x00,0x00,0xd0,0x08,0xcf,0x86,0xcf,0x06,0x00,0x00,0xcf,0x86,0xd5,0x06,0xcf, + 0x06,0x00,0x00,0xd4,0x06,0xcf,0x06,0x00,0x00,0xd3,0x06,0xcf,0x06,0x00,0x00,0xd2, + 0x06,0xcf,0x06,0x00,0x00,0xd1,0x06,0xcf,0x06,0x00,0x00,0xd0,0x06,0xcf,0x06,0x00, + 0x00,0xcf,0x86,0x55,0x04,0x00,0x00,0x54,0x04,0x00,0x00,0x53,0x04,0x00,0x00,0x52, + 0x04,0x00,0x00,0x11,0x04,0x00,0x00,0x02,0x00,0xcf,0x86,0xcf,0x06,0x02,0x00,0x81, + 0x80,0xcf,0x86,0x85,0x84,0xcf,0x86,0xcf,0x06,0x02,0x00,0x00,0x00,0x00,0x00,0x00 }; From 6063d72b61ca51c5f51831f62e94c91d9745f9fb Mon Sep 17 00:00:00 2001 From: Linus Walleij Date: Sat, 6 Jan 2024 01:12:22 +0100 Subject: [PATCH 437/649] net: ethernet: cortina: Drop TSO support [ Upstream commit ac631873c9e7a50d2a8de457cfc4b9f86666403e ] The recent change to allow large frames without hardware checksumming slotted in software checksumming in the driver if hardware could not do it. This will however upset TSO (TCP Segment Offloading). Typical error dumps includes this: skb len=2961 headroom=222 headlen=66 tailroom=0 (...) WARNING: CPU: 0 PID: 956 at net/core/dev.c:3259 skb_warn_bad_offload+0x7c/0x108 gemini-ethernet-port: caps=(0x0000010000154813, 0x00002007ffdd7889) And the packets do not go through. The TSO implementation is bogus: a TSO enabled driver must propagate the skb_shinfo(skb)->gso_size value to the TSO engine on the NIC. Drop the size check and TSO offloading features for now: this needs to be fixed up properly. After this ethernet works fine on Gemini devices with a direct connected PHY such as D-Link DNS-313. Also tested to still be working with a DSA switch using the Gemini ethernet as conduit interface. Link: https://lore.kernel.org/netdev/CANn89iJLfxng1sYL5Zk0mknXpyYQPCp83m3KgD2KJ2_hKCpEUg@mail.gmail.com/ Suggested-by: Eric Dumazet Fixes: d4d0c5b4d279 ("net: ethernet: cortina: Handle large frames") Signed-off-by: Linus Walleij Reviewed-by: Eric Dumazet Signed-off-by: David S. Miller Signed-off-by: Sasha Levin --- drivers/net/ethernet/cortina/gemini.c | 15 ++------------- 1 file changed, 2 insertions(+), 13 deletions(-) diff --git a/drivers/net/ethernet/cortina/gemini.c b/drivers/net/ethernet/cortina/gemini.c index fa46854fd697..04a034cd5183 100644 --- a/drivers/net/ethernet/cortina/gemini.c +++ b/drivers/net/ethernet/cortina/gemini.c @@ -80,8 +80,7 @@ MODULE_PARM_DESC(debug, "Debug level (0=none,...,16=all)"); #define GMAC0_IRQ4_8 (GMAC0_MIB_INT_BIT | GMAC0_RX_OVERRUN_INT_BIT) #define GMAC_OFFLOAD_FEATURES (NETIF_F_SG | NETIF_F_IP_CSUM | \ - NETIF_F_IPV6_CSUM | NETIF_F_RXCSUM | \ - NETIF_F_TSO | NETIF_F_TSO_ECN | NETIF_F_TSO6) + NETIF_F_IPV6_CSUM | NETIF_F_RXCSUM) /** * struct gmac_queue_page - page buffer per-page info @@ -1149,23 +1148,13 @@ static int gmac_map_tx_bufs(struct net_device *netdev, struct sk_buff *skb, struct gmac_txdesc *txd; skb_frag_t *skb_frag; dma_addr_t mapping; - unsigned short mtu; void *buffer; int ret; - mtu = ETH_HLEN; - mtu += netdev->mtu; - if (skb->protocol == htons(ETH_P_8021Q)) - mtu += VLAN_HLEN; - + /* TODO: implement proper TSO using MTU in word3 */ word1 = skb->len; word3 = SOF_BIT; - if (word1 > mtu) { - word1 |= TSS_MTU_ENABLE_BIT; - word3 |= mtu; - } - if (skb->len >= ETH_FRAME_LEN) { /* Hardware offloaded checksumming isn't working on frames * bigger than 1514 bytes. A hypothesis about this is that the From a009e88cc976ac6086995dc81adb3eff94f2a360 Mon Sep 17 00:00:00 2001 From: "Steven Rostedt (Google)" Date: Mon, 4 Mar 2024 17:43:41 -0500 Subject: [PATCH 438/649] tracing: Remove precision vsnprintf() check from print event [ Upstream commit 5efd3e2aef91d2d812290dcb25b2058e6f3f532c ] This reverts 60be76eeabb3d ("tracing: Add size check when printing trace_marker output"). The only reason the precision check was added was because of a bug that miscalculated the write size of the string into the ring buffer and it truncated it removing the terminating nul byte. On reading the trace it crashed the kernel. But this was due to the bug in the code that happened during development and should never happen in practice. If anything, the precision can hide bugs where the string in the ring buffer isn't nul terminated and it will not be checked. Link: https://lore.kernel.org/all/C7E7AF1A-D30F-4D18-B8E5-AF1EF58004F5@linux.ibm.com/ Link: https://lore.kernel.org/linux-trace-kernel/20240227125706.04279ac2@gandalf.local.home Link: https://lore.kernel.org/all/20240302111244.3a1674be@gandalf.local.home/ Link: https://lore.kernel.org/linux-trace-kernel/20240304174341.2a561d9f@gandalf.local.home Cc: Masami Hiramatsu Cc: Linus Torvalds Fixes: 60be76eeabb3d ("tracing: Add size check when printing trace_marker output") Reported-by: Sachin Sant Tested-by: Sachin Sant Reviewed-by: Mathieu Desnoyers Signed-off-by: Steven Rostedt (Google) Signed-off-by: Sasha Levin --- kernel/trace/trace_output.c | 6 ++---- 1 file changed, 2 insertions(+), 4 deletions(-) diff --git a/kernel/trace/trace_output.c b/kernel/trace/trace_output.c index 753b84c50848..94b0991717b6 100644 --- a/kernel/trace/trace_output.c +++ b/kernel/trace/trace_output.c @@ -1313,12 +1313,11 @@ static enum print_line_t trace_print_print(struct trace_iterator *iter, { struct print_entry *field; struct trace_seq *s = &iter->seq; - int max = iter->ent_size - offsetof(struct print_entry, buf); trace_assign_type(field, iter->ent); seq_print_ip_sym(s, field->ip, flags); - trace_seq_printf(s, ": %.*s", max, field->buf); + trace_seq_printf(s, ": %s", field->buf); return trace_handle_return(s); } @@ -1327,11 +1326,10 @@ static enum print_line_t trace_print_raw(struct trace_iterator *iter, int flags, struct trace_event *event) { struct print_entry *field; - int max = iter->ent_size - offsetof(struct print_entry, buf); trace_assign_type(field, iter->ent); - trace_seq_printf(&iter->seq, "# %lx %.*s", field->ip, max, field->buf); + trace_seq_printf(&iter->seq, "# %lx %s", field->ip, field->buf); return trace_handle_return(&iter->seq); } From 421795b064302710dd7adda1a3c2e6ed249c7a7d Mon Sep 17 00:00:00 2001 From: Rob Clark Date: Mon, 12 Feb 2024 13:55:34 -0800 Subject: [PATCH 439/649] drm/crtc: fix uninitialized variable use even harder [ Upstream commit b6802b61a9d0e99dcfa6fff7c50db7c48a9623d3 ] DRM_MODESET_LOCK_ALL_BEGIN() has a hidden trap-door (aka retry loop), which means we can't rely too much on variable initializers. Fixes: 6e455f5dcdd1 ("drm/crtc: fix uninitialized variable use") Signed-off-by: Rob Clark Reviewed-by: Daniel Vetter Reviewed-by: Abhinav Kumar Reviewed-by: Dmitry Baryshkov Tested-by: Dmitry Baryshkov # sc7180, sdm845 Link: https://patchwork.freedesktop.org/patch/msgid/20240212215534.190682-1-robdclark@gmail.com Signed-off-by: Dmitry Baryshkov Signed-off-by: Sasha Levin --- drivers/gpu/drm/drm_crtc.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/gpu/drm/drm_crtc.c b/drivers/gpu/drm/drm_crtc.c index 4ed3fc28d4da..5d2cbff02df1 100644 --- a/drivers/gpu/drm/drm_crtc.c +++ b/drivers/gpu/drm/drm_crtc.c @@ -754,6 +754,7 @@ int drm_mode_setcrtc(struct drm_device *dev, void *data, connector_set = NULL; fb = NULL; mode = NULL; + num_connectors = 0; DRM_MODESET_LOCK_ALL_END(dev, ctx, ret); From 0b4dc46f87c3822562aeebba520254d8efef0ce5 Mon Sep 17 00:00:00 2001 From: Alexander Egorenkov Date: Fri, 26 Feb 2021 11:21:05 +0100 Subject: [PATCH 440/649] s390/zcore: no need to check return value of debugfs_create functions [ Upstream commit 7449ca87312a5b0390b765be65a126e6e5451026 ] When calling debugfs functions, there is no need to ever check the return value. The function can work or not, but the code logic should never do something different based on this. See commit 7dd541a3fb34 ("s390: no need to check return value of debugfs_create functions"). Signed-off-by: Alexander Egorenkov Signed-off-by: Heiko Carstens Stable-dep-of: 0b18c852cc6f ("tracing: Have saved_cmdlines arrays all in one allocation") Signed-off-by: Sasha Levin --- drivers/s390/char/zcore.c | 18 +----------------- 1 file changed, 1 insertion(+), 17 deletions(-) diff --git a/drivers/s390/char/zcore.c b/drivers/s390/char/zcore.c index 3841c0e77df6..5f659fa9224a 100644 --- a/drivers/s390/char/zcore.c +++ b/drivers/s390/char/zcore.c @@ -302,28 +302,12 @@ static int __init zcore_init(void) goto fail; zcore_dir = debugfs_create_dir("zcore" , NULL); - if (!zcore_dir) { - rc = -ENOMEM; - goto fail; - } zcore_reipl_file = debugfs_create_file("reipl", S_IRUSR, zcore_dir, NULL, &zcore_reipl_fops); - if (!zcore_reipl_file) { - rc = -ENOMEM; - goto fail_dir; - } zcore_hsa_file = debugfs_create_file("hsa", S_IRUSR|S_IWUSR, zcore_dir, NULL, &zcore_hsa_fops); - if (!zcore_hsa_file) { - rc = -ENOMEM; - goto fail_reipl_file; - } - return 0; -fail_reipl_file: - debugfs_remove(zcore_reipl_file); -fail_dir: - debugfs_remove(zcore_dir); + return 0; fail: diag308(DIAG308_REL_HSA, NULL); return rc; From 25b00216206b7c794299d6692039a23e1ea0b040 Mon Sep 17 00:00:00 2001 From: Alexander Egorenkov Date: Thu, 25 Feb 2021 14:28:52 +0100 Subject: [PATCH 441/649] s390/zcore: release dump save area on restart or power down [ Upstream commit dabdfac0e85c8c1e811b10c08742f49285e78a17 ] The zFCP/NVMe standalone dumper is supposed to release the dump save area resource as soon as possible but might fail to do so, for instance, if it crashes. To avoid this situation, register a reboot notifier and ensure the dump save area resource is released on reboot or power down. Signed-off-by: Alexander Egorenkov Reviewed-by: Heiko Carstens Signed-off-by: Heiko Carstens Stable-dep-of: 0b18c852cc6f ("tracing: Have saved_cmdlines arrays all in one allocation") Signed-off-by: Sasha Levin --- drivers/s390/char/zcore.c | 26 ++++++++++++++++++++++++++ 1 file changed, 26 insertions(+) diff --git a/drivers/s390/char/zcore.c b/drivers/s390/char/zcore.c index 5f659fa9224a..1aee6b2ae66f 100644 --- a/drivers/s390/char/zcore.c +++ b/drivers/s390/char/zcore.c @@ -15,6 +15,7 @@ #include #include #include +#include #include #include @@ -247,6 +248,28 @@ static int __init zcore_reipl_init(void) return 0; } +static int zcore_reboot_and_on_panic_handler(struct notifier_block *self, + unsigned long event, + void *data) +{ + if (hsa_available) + release_hsa(); + + return NOTIFY_OK; +} + +static struct notifier_block zcore_reboot_notifier = { + .notifier_call = zcore_reboot_and_on_panic_handler, + /* we need to be notified before reipl and kdump */ + .priority = INT_MAX, +}; + +static struct notifier_block zcore_on_panic_notifier = { + .notifier_call = zcore_reboot_and_on_panic_handler, + /* we need to be notified before reipl and kdump */ + .priority = INT_MAX, +}; + static int __init zcore_init(void) { unsigned char arch; @@ -307,6 +330,9 @@ static int __init zcore_init(void) zcore_hsa_file = debugfs_create_file("hsa", S_IRUSR|S_IWUSR, zcore_dir, NULL, &zcore_hsa_fops); + register_reboot_notifier(&zcore_reboot_notifier); + atomic_notifier_chain_register(&panic_notifier_list, &zcore_on_panic_notifier); + return 0; fail: diag308(DIAG308_REL_HSA, NULL); From f2fd1a9597d6762935764e39e82e2c96d710e3c5 Mon Sep 17 00:00:00 2001 From: "Steven Rostedt (Google)" Date: Tue, 20 Feb 2024 09:06:14 -0500 Subject: [PATCH 442/649] tracing: Have saved_cmdlines arrays all in one allocation [ Upstream commit 0b18c852cc6fb8284ac0ab97e3e840974a6a8a64 ] The saved_cmdlines have three arrays for mapping PIDs to COMMs: - map_pid_to_cmdline[] - map_cmdline_to_pid[] - saved_cmdlines The map_pid_to_cmdline[] is PID_MAX_DEFAULT in size and holds the index into the other arrays. The map_cmdline_to_pid[] is a mapping back to the full pid as it can be larger than PID_MAX_DEFAULT. And the saved_cmdlines[] just holds the COMMs associated to the pids. Currently the map_pid_to_cmdline[] and saved_cmdlines[] are allocated together (in reality the saved_cmdlines is just in the memory of the rounding of the allocation of the structure as it is always allocated in powers of two). The map_cmdline_to_pid[] array is allocated separately. Since the rounding to a power of two is rather large (it allows for 8000 elements in saved_cmdlines), also include the map_cmdline_to_pid[] array. (This drops it to 6000 by default, which is still plenty for most use cases). This saves even more memory as the map_cmdline_to_pid[] array doesn't need to be allocated. Link: https://lore.kernel.org/linux-trace-kernel/20240212174011.068211d9@gandalf.local.home/ Link: https://lore.kernel.org/linux-trace-kernel/20240220140703.182330529@goodmis.org Cc: Mark Rutland Cc: Mathieu Desnoyers Cc: Andrew Morton Cc: Tim Chen Cc: Vincent Donnefort Cc: Sven Schnelle Cc: Mete Durlu Fixes: 44dc5c41b5b1 ("tracing: Fix wasted memory in saved_cmdlines logic") Acked-by: Masami Hiramatsu (Google) Signed-off-by: Steven Rostedt (Google) Signed-off-by: Sasha Levin --- kernel/trace/trace.c | 18 ++++++++---------- 1 file changed, 8 insertions(+), 10 deletions(-) diff --git a/kernel/trace/trace.c b/kernel/trace/trace.c index b16291f4c573..9f5b9036f001 100644 --- a/kernel/trace/trace.c +++ b/kernel/trace/trace.c @@ -2244,6 +2244,10 @@ struct saved_cmdlines_buffer { }; static struct saved_cmdlines_buffer *savedcmd; +/* Holds the size of a cmdline and pid element */ +#define SAVED_CMDLINE_MAP_ELEMENT_SIZE(s) \ + (TASK_COMM_LEN + sizeof((s)->map_cmdline_to_pid[0])) + static inline char *get_saved_cmdlines(int idx) { return &savedcmd->saved_cmdlines[idx * TASK_COMM_LEN]; @@ -2258,7 +2262,6 @@ static void free_saved_cmdlines_buffer(struct saved_cmdlines_buffer *s) { int order = get_order(sizeof(*s) + s->cmdline_num * TASK_COMM_LEN); - kfree(s->map_cmdline_to_pid); kmemleak_free(s); free_pages((unsigned long)s, order); } @@ -2271,7 +2274,7 @@ static struct saved_cmdlines_buffer *allocate_cmdlines_buffer(unsigned int val) int order; /* Figure out how much is needed to hold the given number of cmdlines */ - orig_size = sizeof(*s) + val * TASK_COMM_LEN; + orig_size = sizeof(*s) + val * SAVED_CMDLINE_MAP_ELEMENT_SIZE(s); order = get_order(orig_size); size = 1 << (order + PAGE_SHIFT); page = alloc_pages(GFP_KERNEL, order); @@ -2283,16 +2286,11 @@ static struct saved_cmdlines_buffer *allocate_cmdlines_buffer(unsigned int val) memset(s, 0, sizeof(*s)); /* Round up to actual allocation */ - val = (size - sizeof(*s)) / TASK_COMM_LEN; + val = (size - sizeof(*s)) / SAVED_CMDLINE_MAP_ELEMENT_SIZE(s); s->cmdline_num = val; - s->map_cmdline_to_pid = kmalloc_array(val, - sizeof(*s->map_cmdline_to_pid), - GFP_KERNEL); - if (!s->map_cmdline_to_pid) { - free_saved_cmdlines_buffer(s); - return NULL; - } + /* Place map_cmdline_to_pid array right after saved_cmdlines */ + s->map_cmdline_to_pid = (unsigned *)&s->saved_cmdlines[val * TASK_COMM_LEN]; s->cmdline_idx = 0; memset(&s->map_pid_to_cmdline, NO_CMDLINE_MAP, From 90a6a070a80a8c2cd2fcc788a6ae60f992164f9a Mon Sep 17 00:00:00 2001 From: Francis Laniel Date: Tue, 8 Oct 2024 15:29:47 -0700 Subject: [PATCH 443/649] tracing/kprobes: Return EADDRNOTAVAIL when func matches several symbols commit b022f0c7e404887a7c5229788fc99eff9f9a80d5 upstream. When a kprobe is attached to a function that's name is not unique (is static and shares the name with other functions in the kernel), the kprobe is attached to the first function it finds. This is a bug as the function that it is attaching to is not necessarily the one that the user wants to attach to. Instead of blindly picking a function to attach to what is ambiguous, error with EADDRNOTAVAIL to let the user know that this function is not unique, and that the user must use another unique function with an address offset to get to the function they want to attach to. Link: https://lore.kernel.org/all/20231020104250.9537-2-flaniel@linux.microsoft.com/ Cc: stable@vger.kernel.org Fixes: 413d37d1eb69 ("tracing: Add kprobe-based event tracer") Suggested-by: Masami Hiramatsu Signed-off-by: Francis Laniel Link: https://lore.kernel.org/lkml/20230819101105.b0c104ae4494a7d1f2eea742@kernel.org/ Acked-by: Masami Hiramatsu (Google) Signed-off-by: Masami Hiramatsu (Google) Signed-off-by: Greg Kroah-Hartman [Sherry: 5.10.y added a new kselftest kprobe_non_uniq_symbol.tc by backporting commit 09bcf9254838 ("selftests/ftrace: Add new test case which checks non unique symbol"). However, 5.10.y didn't backport this commit which provides unique symbol check suppport from kernel side. Minor conflicts due to context change, ignore context change] Signed-off-by: Sherry Yang Signed-off-by: Sasha Levin --- kernel/trace/trace_kprobe.c | 74 +++++++++++++++++++++++++++++++++++++ kernel/trace/trace_probe.h | 1 + 2 files changed, 75 insertions(+) diff --git a/kernel/trace/trace_kprobe.c b/kernel/trace/trace_kprobe.c index 5453af26ff76..91dfe8cf1ce8 100644 --- a/kernel/trace/trace_kprobe.c +++ b/kernel/trace/trace_kprobe.c @@ -715,6 +715,36 @@ static inline void sanitize_event_name(char *name) *name = '_'; } +struct count_symbols_struct { + const char *func_name; + unsigned int count; +}; + +static int count_symbols(void *data, const char *name, struct module *unused0, + unsigned long unused1) +{ + struct count_symbols_struct *args = data; + + if (strcmp(args->func_name, name)) + return 0; + + args->count++; + + return 0; +} + +static unsigned int number_of_same_symbols(char *func_name) +{ + struct count_symbols_struct args = { + .func_name = func_name, + .count = 0, + }; + + kallsyms_on_each_symbol(count_symbols, &args); + + return args.count; +} + static int trace_kprobe_create(int argc, const char *argv[]) { /* @@ -842,6 +872,31 @@ static int trace_kprobe_create(int argc, const char *argv[]) } } + if (symbol && !strchr(symbol, ':')) { + unsigned int count; + + count = number_of_same_symbols(symbol); + if (count > 1) { + /* + * Users should use ADDR to remove the ambiguity of + * using KSYM only. + */ + trace_probe_log_err(0, NON_UNIQ_SYMBOL); + ret = -EADDRNOTAVAIL; + + goto error; + } else if (count == 0) { + /* + * We can return ENOENT earlier than when register the + * kprobe. + */ + trace_probe_log_err(0, BAD_PROBE_ADDR); + ret = -ENOENT; + + goto error; + } + } + trace_probe_log_set_index(0); if (event) { ret = traceprobe_parse_event_name(&event, &group, buf, @@ -1805,6 +1860,7 @@ static int unregister_kprobe_event(struct trace_kprobe *tk) } #ifdef CONFIG_PERF_EVENTS + /* create a trace_kprobe, but don't add it to global lists */ struct trace_event_call * create_local_trace_kprobe(char *func, void *addr, unsigned long offs, @@ -1814,6 +1870,24 @@ create_local_trace_kprobe(char *func, void *addr, unsigned long offs, int ret; char *event; + if (func) { + unsigned int count; + + count = number_of_same_symbols(func); + if (count > 1) + /* + * Users should use addr to remove the ambiguity of + * using func only. + */ + return ERR_PTR(-EADDRNOTAVAIL); + else if (count == 0) + /* + * We can return ENOENT earlier than when register the + * kprobe. + */ + return ERR_PTR(-ENOENT); + } + /* * local trace_kprobes are not added to dyn_event, so they are never * searched in find_trace_kprobe(). Therefore, there is no concern of diff --git a/kernel/trace/trace_probe.h b/kernel/trace/trace_probe.h index d4a69b83902e..22c05ca97758 100644 --- a/kernel/trace/trace_probe.h +++ b/kernel/trace/trace_probe.h @@ -390,6 +390,7 @@ extern int traceprobe_define_arg_fields(struct trace_event_call *event_call, C(BAD_MAXACT, "Invalid maxactive number"), \ C(MAXACT_TOO_BIG, "Maxactive is too big"), \ C(BAD_PROBE_ADDR, "Invalid probed address or symbol"), \ + C(NON_UNIQ_SYMBOL, "The symbol is not unique"), \ C(BAD_RETPROBE, "Retprobe address must be an function entry"), \ C(BAD_ADDR_SUFFIX, "Invalid probed address suffix"), \ C(NO_GROUP_NAME, "Group name is not specified"), \ From 9b82d737d261c598e2d6a0d31e7e4406c9c8e523 Mon Sep 17 00:00:00 2001 From: "Michael S. Tsirkin" Date: Mon, 16 Sep 2024 14:16:44 -0400 Subject: [PATCH 444/649] virtio_console: fix misc probe bugs [ Upstream commit b9efbe2b8f0177fa97bfab290d60858900aa196b ] This fixes the following issue discovered by code review: after vqs have been created, a buggy device can send an interrupt. A control vq callback will then try to schedule control_work which has not been initialized yet. Similarly for config interrupt. Further, in and out vq callbacks invoke find_port_by_vq which attempts to take ports_lock which also has not been initialized. To fix, init all locks and work before creating vqs. Message-ID: Fixes: 17634ba25544 ("virtio: console: Add a new MULTIPORT feature, support for generic ports") Signed-off-by: Michael S. Tsirkin Signed-off-by: Sasha Levin --- drivers/char/virtio_console.c | 18 ++++++++++-------- 1 file changed, 10 insertions(+), 8 deletions(-) diff --git a/drivers/char/virtio_console.c b/drivers/char/virtio_console.c index 6d361420ffe8..1734b4341585 100644 --- a/drivers/char/virtio_console.c +++ b/drivers/char/virtio_console.c @@ -2049,25 +2049,27 @@ static int virtcons_probe(struct virtio_device *vdev) multiport = true; } - err = init_vqs(portdev); - if (err < 0) { - dev_err(&vdev->dev, "Error %d initializing vqs\n", err); - goto free_chrdev; - } - spin_lock_init(&portdev->ports_lock); INIT_LIST_HEAD(&portdev->ports); INIT_LIST_HEAD(&portdev->list); - virtio_device_ready(portdev->vdev); - INIT_WORK(&portdev->config_work, &config_work_handler); INIT_WORK(&portdev->control_work, &control_work_handler); if (multiport) { spin_lock_init(&portdev->c_ivq_lock); spin_lock_init(&portdev->c_ovq_lock); + } + err = init_vqs(portdev); + if (err < 0) { + dev_err(&vdev->dev, "Error %d initializing vqs\n", err); + goto free_chrdev; + } + + virtio_device_ready(portdev->vdev); + + if (multiport) { err = fill_queue(portdev->c_ivq, &portdev->c_ivq_lock); if (err < 0) { dev_err(&vdev->dev, From 546fb43a2e4b4f44c0d73671c97deafc73a493cb Mon Sep 17 00:00:00 2001 From: Andrii Nakryiko Date: Tue, 8 Oct 2024 15:29:48 -0700 Subject: [PATCH 445/649] tracing/kprobes: Fix symbol counting logic by looking at modules as well commit 926fe783c8a64b33997fec405cf1af3e61aed441 upstream. Recent changes to count number of matching symbols when creating a kprobe event failed to take into account kernel modules. As such, it breaks kprobes on kernel module symbols, by assuming there is no match. Fix this my calling module_kallsyms_on_each_symbol() in addition to kallsyms_on_each_match_symbol() to perform a proper counting. Link: https://lore.kernel.org/all/20231027233126.2073148-1-andrii@kernel.org/ Cc: Francis Laniel Cc: stable@vger.kernel.org Cc: Masami Hiramatsu Cc: Steven Rostedt Fixes: b022f0c7e404 ("tracing/kprobes: Return EADDRNOTAVAIL when func matches several symbols") Signed-off-by: Andrii Nakryiko Acked-by: Song Liu Signed-off-by: Masami Hiramatsu (Google) Signed-off-by: Markus Boehme Signed-off-by: Greg Kroah-Hartman [Sherry: It's a fix for previous backport, thus backport together] Signed-off-by: Sherry Yang Signed-off-by: Sasha Levin --- kernel/trace/trace_kprobe.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/kernel/trace/trace_kprobe.c b/kernel/trace/trace_kprobe.c index 91dfe8cf1ce8..ae059345ddf4 100644 --- a/kernel/trace/trace_kprobe.c +++ b/kernel/trace/trace_kprobe.c @@ -742,6 +742,8 @@ static unsigned int number_of_same_symbols(char *func_name) kallsyms_on_each_symbol(count_symbols, &args); + module_kallsyms_on_each_symbol(count_symbols, &args); + return args.count; } From 2aa861ec72908b4bdc20d74725dc1c8c71a8d214 Mon Sep 17 00:00:00 2001 From: Jiri Olsa Date: Tue, 8 Oct 2024 15:29:45 -0700 Subject: [PATCH 446/649] kallsyms: Make kallsyms_on_each_symbol generally available [ Upstream commit d721def7392a7348ffb9f3583b264239cbd3702c ] Making kallsyms_on_each_symbol generally available, so it can be used outside CONFIG_LIVEPATCH option in following changes. Rather than adding another ifdef option let's make the function generally available (when CONFIG_KALLSYMS option is defined). Cc: Christoph Hellwig Reviewed-by: Masami Hiramatsu Signed-off-by: Jiri Olsa Link: https://lore.kernel.org/r/20220510122616.2652285-2-jolsa@kernel.org Signed-off-by: Alexei Starovoitov Signed-off-by: Sasha Levin Stable-dep-of: b022f0c7e404 ("tracing/kprobes: Return EADDRNOTAVAIL when func matches several symbols") Signed-off-by: Sherry Yang Signed-off-by: Sasha Levin --- include/linux/kallsyms.h | 7 ++++++- kernel/kallsyms.c | 2 -- 2 files changed, 6 insertions(+), 3 deletions(-) diff --git a/include/linux/kallsyms.h b/include/linux/kallsyms.h index 465060acc981..430f1cefbb9e 100644 --- a/include/linux/kallsyms.h +++ b/include/linux/kallsyms.h @@ -71,11 +71,11 @@ static inline void *dereference_symbol_descriptor(void *ptr) return ptr; } +#ifdef CONFIG_KALLSYMS int kallsyms_on_each_symbol(int (*fn)(void *, const char *, struct module *, unsigned long), void *data); -#ifdef CONFIG_KALLSYMS /* Lookup the address for a symbol. Returns 0 if not found. */ unsigned long kallsyms_lookup_name(const char *name); @@ -155,6 +155,11 @@ static inline bool kallsyms_show_value(const struct cred *cred) return false; } +static inline int kallsyms_on_each_symbol(int (*fn)(void *, const char *, struct module *, + unsigned long), void *data) +{ + return -EOPNOTSUPP; +} #endif /*CONFIG_KALLSYMS*/ static inline void print_ip_sym(const char *loglvl, unsigned long ip) diff --git a/kernel/kallsyms.c b/kernel/kallsyms.c index 8043a90aa50e..a0d3f0865916 100644 --- a/kernel/kallsyms.c +++ b/kernel/kallsyms.c @@ -177,7 +177,6 @@ unsigned long kallsyms_lookup_name(const char *name) return module_kallsyms_lookup_name(name); } -#ifdef CONFIG_LIVEPATCH /* * Iterate over all symbols in vmlinux. For symbols from modules use * module_kallsyms_on_each_symbol instead. @@ -199,7 +198,6 @@ int kallsyms_on_each_symbol(int (*fn)(void *, const char *, struct module *, } return 0; } -#endif /* CONFIG_LIVEPATCH */ static unsigned long get_symbol_pos(unsigned long addr, unsigned long *symbolsize, From 4f4a6d70d78ed9bb334bfd7abce281c14fcea23b Mon Sep 17 00:00:00 2001 From: Mathias Krause Date: Wed, 9 Oct 2024 05:42:01 +0000 Subject: [PATCH 447/649] Input: synaptics-rmi4 - fix UAF of IRQ domain on driver removal commit fbf8d71742557abaf558d8efb96742d442720cc2 upstream. Calling irq_domain_remove() will lead to freeing the IRQ domain prematurely. The domain is still referenced and will be attempted to get used via rmi_free_function_list() -> rmi_unregister_function() -> irq_dispose_mapping() -> irq_get_irq_data()'s ->domain pointer. With PaX's MEMORY_SANITIZE this will lead to an access fault when attempting to dereference embedded pointers, as in Torsten's report that was faulting on the 'domain->ops->unmap' test. Fix this by releasing the IRQ domain only after all related IRQs have been deactivated. Fixes: 24d28e4f1271 ("Input: synaptics-rmi4 - convert irq distribution to irq_domain") Reported-by: Torsten Hilbrich Signed-off-by: Mathias Krause Link: https://lore.kernel.org/r/20240222142654.856566-1-minipli@grsecurity.net Signed-off-by: Dmitry Torokhov Signed-off-by: Tzung-Bi Shih Signed-off-by: Sasha Levin --- drivers/input/rmi4/rmi_driver.c | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) diff --git a/drivers/input/rmi4/rmi_driver.c b/drivers/input/rmi4/rmi_driver.c index aa32371f04af..ef9ea295f9e0 100644 --- a/drivers/input/rmi4/rmi_driver.c +++ b/drivers/input/rmi4/rmi_driver.c @@ -978,12 +978,12 @@ static int rmi_driver_remove(struct device *dev) rmi_disable_irq(rmi_dev, false); - irq_domain_remove(data->irqdomain); - data->irqdomain = NULL; - rmi_f34_remove_sysfs(rmi_dev); rmi_free_function_list(rmi_dev); + irq_domain_remove(data->irqdomain); + data->irqdomain = NULL; + return 0; } From 2622c805abe7b40b5a48852570234a0fa26891b6 Mon Sep 17 00:00:00 2001 From: Jiri Olsa Date: Tue, 8 Oct 2024 15:29:46 -0700 Subject: [PATCH 448/649] kallsyms: Make module_kallsyms_on_each_symbol generally available commit 73feb8d5fa3b755bb51077c0aabfb6aa556fd498 upstream. Making module_kallsyms_on_each_symbol generally available, so it can be used outside CONFIG_LIVEPATCH option in following changes. Rather than adding another ifdef option let's make the function generally available (when CONFIG_KALLSYMS and CONFIG_MODULES options are defined). Cc: Christoph Hellwig Acked-by: Song Liu Signed-off-by: Jiri Olsa Link: https://lore.kernel.org/r/20221025134148.3300700-2-jolsa@kernel.org Signed-off-by: Alexei Starovoitov Signed-off-by: Greg Kroah-Hartman Stable-dep-of: 926fe783c8a6 ("tracing/kprobes: Fix symbol counting logic by looking at modules as well") Signed-off-by: Markus Boehme Signed-off-by: Greg Kroah-Hartman Stable-dep-of: 329197033bb0 ("tracing/kprobes: Fix symbol counting logic by looking at modules as well") Signed-off-by: Sherry Yang Signed-off-by: Sasha Levin --- include/linux/module.h | 9 +++++++++ kernel/module.c | 2 -- 2 files changed, 9 insertions(+), 2 deletions(-) diff --git a/include/linux/module.h b/include/linux/module.h index a55a40c28568..63fe94e6ae6f 100644 --- a/include/linux/module.h +++ b/include/linux/module.h @@ -875,8 +875,17 @@ static inline bool module_sig_ok(struct module *module) } #endif /* CONFIG_MODULE_SIG */ +#if defined(CONFIG_MODULES) && defined(CONFIG_KALLSYMS) int module_kallsyms_on_each_symbol(int (*fn)(void *, const char *, struct module *, unsigned long), void *data); +#else +static inline int module_kallsyms_on_each_symbol(int (*fn)(void *, const char *, + struct module *, unsigned long), + void *data) +{ + return -EOPNOTSUPP; +} +#endif /* CONFIG_MODULES && CONFIG_KALLSYMS */ #endif /* _LINUX_MODULE_H */ diff --git a/kernel/module.c b/kernel/module.c index edc7b99cb16f..7f3ba597af6c 100644 --- a/kernel/module.c +++ b/kernel/module.c @@ -4444,7 +4444,6 @@ unsigned long module_kallsyms_lookup_name(const char *name) return ret; } -#ifdef CONFIG_LIVEPATCH int module_kallsyms_on_each_symbol(int (*fn)(void *, const char *, struct module *, unsigned long), void *data) @@ -4475,7 +4474,6 @@ int module_kallsyms_on_each_symbol(int (*fn)(void *, const char *, mutex_unlock(&module_mutex); return ret; } -#endif /* CONFIG_LIVEPATCH */ #endif /* CONFIG_KALLSYMS */ /* Maximum number of characters written by module_flags() */ From 029aa36ba33253f27d70e3123fc3495ab0326b7e Mon Sep 17 00:00:00 2001 From: Tao Chen Date: Tue, 10 Sep 2024 22:41:10 +0800 Subject: [PATCH 449/649] bpf: Check percpu map value size first [ Upstream commit 1d244784be6b01162b732a5a7d637dfc024c3203 ] Percpu map is often used, but the map value size limit often ignored, like issue: https://github.com/iovisor/bcc/issues/2519. Actually, percpu map value size is bound by PCPU_MIN_UNIT_SIZE, so we can check the value size whether it exceeds PCPU_MIN_UNIT_SIZE first, like percpu map of local_storage. Maybe the error message seems clearer compared with "cannot allocate memory". Signed-off-by: Jinke Han Signed-off-by: Tao Chen Signed-off-by: Andrii Nakryiko Acked-by: Jiri Olsa Acked-by: Andrii Nakryiko Link: https://lore.kernel.org/bpf/20240910144111.1464912-2-chen.dylane@gmail.com Signed-off-by: Sasha Levin --- kernel/bpf/arraymap.c | 3 +++ kernel/bpf/hashtab.c | 3 +++ 2 files changed, 6 insertions(+) diff --git a/kernel/bpf/arraymap.c b/kernel/bpf/arraymap.c index 5102338129d5..3d92e42c3895 100644 --- a/kernel/bpf/arraymap.c +++ b/kernel/bpf/arraymap.c @@ -74,6 +74,9 @@ int array_map_alloc_check(union bpf_attr *attr) * access the elements. */ return -E2BIG; + /* percpu map value size is bound by PCPU_MIN_UNIT_SIZE */ + if (percpu && round_up(attr->value_size, 8) > PCPU_MIN_UNIT_SIZE) + return -E2BIG; return 0; } diff --git a/kernel/bpf/hashtab.c b/kernel/bpf/hashtab.c index 72bc5f575254..4c7cab79d90e 100644 --- a/kernel/bpf/hashtab.c +++ b/kernel/bpf/hashtab.c @@ -404,6 +404,9 @@ static int htab_map_alloc_check(union bpf_attr *attr) * kmalloc-able later in htab_map_update_elem() */ return -E2BIG; + /* percpu map value size is bound by PCPU_MIN_UNIT_SIZE */ + if (percpu && round_up(attr->value_size, 8) > PCPU_MIN_UNIT_SIZE) + return -E2BIG; return 0; } From 1cd197813eb85905b54a7efd34abb9d110fffe2a Mon Sep 17 00:00:00 2001 From: Heiko Carstens Date: Wed, 4 Sep 2024 11:39:24 +0200 Subject: [PATCH 450/649] s390/facility: Disable compile time optimization for decompressor code [ Upstream commit 0147addc4fb72a39448b8873d8acdf3a0f29aa65 ] Disable compile time optimizations of test_facility() for the decompressor. The decompressor should not contain any optimized code depending on the architecture level set the kernel image is compiled for to avoid unexpected operation exceptions. Add a __DECOMPRESSOR check to test_facility() to enforce that facilities are always checked during runtime for the decompressor. Reviewed-by: Sven Schnelle Signed-off-by: Heiko Carstens Signed-off-by: Sasha Levin --- arch/s390/include/asm/facility.h | 6 ++++-- 1 file changed, 4 insertions(+), 2 deletions(-) diff --git a/arch/s390/include/asm/facility.h b/arch/s390/include/asm/facility.h index 68c476b20b57..c7031d9ada29 100644 --- a/arch/s390/include/asm/facility.h +++ b/arch/s390/include/asm/facility.h @@ -53,8 +53,10 @@ static inline int test_facility(unsigned long nr) unsigned long facilities_als[] = { FACILITIES_ALS }; if (__builtin_constant_p(nr) && nr < sizeof(facilities_als) * 8) { - if (__test_facility(nr, &facilities_als)) - return 1; + if (__test_facility(nr, &facilities_als)) { + if (!__is_defined(__DECOMPRESSOR)) + return 1; + } } return __test_facility(nr, &S390_lowcore.stfle_fac_list); } From dced2c9d661e3eee3d80550730d9f3c5c3e04d1a Mon Sep 17 00:00:00 2001 From: Gerald Schaefer Date: Mon, 2 Sep 2024 14:02:19 +0200 Subject: [PATCH 451/649] s390/mm: Add cond_resched() to cmm_alloc/free_pages() [ Upstream commit 131b8db78558120f58c5dc745ea9655f6b854162 ] Adding/removing large amount of pages at once to/from the CMM balloon can result in rcu_sched stalls or workqueue lockups, because of busy looping w/o cond_resched(). Prevent this by adding a cond_resched(). cmm_free_pages() holds a spin_lock while looping, so it cannot be added directly to the existing loop. Instead, introduce a wrapper function that operates on maximum 256 pages at once, and add it there. Signed-off-by: Gerald Schaefer Reviewed-by: Heiko Carstens Signed-off-by: Heiko Carstens Signed-off-by: Sasha Levin --- arch/s390/mm/cmm.c | 18 +++++++++++++++++- 1 file changed, 17 insertions(+), 1 deletion(-) diff --git a/arch/s390/mm/cmm.c b/arch/s390/mm/cmm.c index 1141c8d5c0d0..9b4304fa37bf 100644 --- a/arch/s390/mm/cmm.c +++ b/arch/s390/mm/cmm.c @@ -95,11 +95,12 @@ static long cmm_alloc_pages(long nr, long *counter, (*counter)++; spin_unlock(&cmm_lock); nr--; + cond_resched(); } return nr; } -static long cmm_free_pages(long nr, long *counter, struct cmm_page_array **list) +static long __cmm_free_pages(long nr, long *counter, struct cmm_page_array **list) { struct cmm_page_array *pa; unsigned long addr; @@ -123,6 +124,21 @@ static long cmm_free_pages(long nr, long *counter, struct cmm_page_array **list) return nr; } +static long cmm_free_pages(long nr, long *counter, struct cmm_page_array **list) +{ + long inc = 0; + + while (nr) { + inc = min(256L, nr); + nr -= inc; + inc = __cmm_free_pages(inc, counter, list); + if (inc) + break; + cond_resched(); + } + return nr + inc; +} + static int cmm_oom_notify(struct notifier_block *self, unsigned long dummy, void *parm) { From c2097d5efb196d7d52aba2eb6e825b4ac34ad58d Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Wojciech=20G=C5=82adysz?= Date: Thu, 1 Aug 2024 16:38:27 +0200 Subject: [PATCH 452/649] ext4: nested locking for xattr inode MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit [ Upstream commit d1bc560e9a9c78d0b2314692847fc8661e0aeb99 ] Add nested locking with I_MUTEX_XATTR subclass to avoid lockdep warning while handling xattr inode on file open syscall at ext4_xattr_inode_iget. Backtrace EXT4-fs (loop0): Ignoring removed oldalloc option ====================================================== WARNING: possible circular locking dependency detected 5.10.0-syzkaller #0 Not tainted ------------------------------------------------------ syz-executor543/2794 is trying to acquire lock: ffff8880215e1a48 (&ea_inode->i_rwsem#7/1){+.+.}-{3:3}, at: inode_lock include/linux/fs.h:782 [inline] ffff8880215e1a48 (&ea_inode->i_rwsem#7/1){+.+.}-{3:3}, at: ext4_xattr_inode_iget+0x42a/0x5c0 fs/ext4/xattr.c:425 but task is already holding lock: ffff8880215e3278 (&ei->i_data_sem/3){++++}-{3:3}, at: ext4_setattr+0x136d/0x19c0 fs/ext4/inode.c:5559 which lock already depends on the new lock. the existing dependency chain (in reverse order) is: -> #1 (&ei->i_data_sem/3){++++}-{3:3}: lock_acquire+0x197/0x480 kernel/locking/lockdep.c:5566 down_write+0x93/0x180 kernel/locking/rwsem.c:1564 ext4_update_i_disksize fs/ext4/ext4.h:3267 [inline] ext4_xattr_inode_write fs/ext4/xattr.c:1390 [inline] ext4_xattr_inode_lookup_create fs/ext4/xattr.c:1538 [inline] ext4_xattr_set_entry+0x331a/0x3d80 fs/ext4/xattr.c:1662 ext4_xattr_ibody_set+0x124/0x390 fs/ext4/xattr.c:2228 ext4_xattr_set_handle+0xc27/0x14e0 fs/ext4/xattr.c:2385 ext4_xattr_set+0x219/0x390 fs/ext4/xattr.c:2498 ext4_xattr_user_set+0xc9/0xf0 fs/ext4/xattr_user.c:40 __vfs_setxattr+0x404/0x450 fs/xattr.c:177 __vfs_setxattr_noperm+0x11d/0x4f0 fs/xattr.c:208 __vfs_setxattr_locked+0x1f9/0x210 fs/xattr.c:266 vfs_setxattr+0x112/0x2c0 fs/xattr.c:283 setxattr+0x1db/0x3e0 fs/xattr.c:548 path_setxattr+0x15a/0x240 fs/xattr.c:567 __do_sys_setxattr fs/xattr.c:582 [inline] __se_sys_setxattr fs/xattr.c:578 [inline] __x64_sys_setxattr+0xc5/0xe0 fs/xattr.c:578 do_syscall_64+0x6d/0xa0 arch/x86/entry/common.c:62 entry_SYSCALL_64_after_hwframe+0x61/0xcb -> #0 (&ea_inode->i_rwsem#7/1){+.+.}-{3:3}: check_prev_add kernel/locking/lockdep.c:2988 [inline] check_prevs_add kernel/locking/lockdep.c:3113 [inline] validate_chain+0x1695/0x58f0 kernel/locking/lockdep.c:3729 __lock_acquire+0x12fd/0x20d0 kernel/locking/lockdep.c:4955 lock_acquire+0x197/0x480 kernel/locking/lockdep.c:5566 down_write+0x93/0x180 kernel/locking/rwsem.c:1564 inode_lock include/linux/fs.h:782 [inline] ext4_xattr_inode_iget+0x42a/0x5c0 fs/ext4/xattr.c:425 ext4_xattr_inode_get+0x138/0x410 fs/ext4/xattr.c:485 ext4_xattr_move_to_block fs/ext4/xattr.c:2580 [inline] ext4_xattr_make_inode_space fs/ext4/xattr.c:2682 [inline] ext4_expand_extra_isize_ea+0xe70/0x1bb0 fs/ext4/xattr.c:2774 __ext4_expand_extra_isize+0x304/0x3f0 fs/ext4/inode.c:5898 ext4_try_to_expand_extra_isize fs/ext4/inode.c:5941 [inline] __ext4_mark_inode_dirty+0x591/0x810 fs/ext4/inode.c:6018 ext4_setattr+0x1400/0x19c0 fs/ext4/inode.c:5562 notify_change+0xbb6/0xe60 fs/attr.c:435 do_truncate+0x1de/0x2c0 fs/open.c:64 handle_truncate fs/namei.c:2970 [inline] do_open fs/namei.c:3311 [inline] path_openat+0x29f3/0x3290 fs/namei.c:3425 do_filp_open+0x20b/0x450 fs/namei.c:3452 do_sys_openat2+0x124/0x460 fs/open.c:1207 do_sys_open fs/open.c:1223 [inline] __do_sys_open fs/open.c:1231 [inline] __se_sys_open fs/open.c:1227 [inline] __x64_sys_open+0x221/0x270 fs/open.c:1227 do_syscall_64+0x6d/0xa0 arch/x86/entry/common.c:62 entry_SYSCALL_64_after_hwframe+0x61/0xcb other info that might help us debug this: Possible unsafe locking scenario: CPU0 CPU1 ---- ---- lock(&ei->i_data_sem/3); lock(&ea_inode->i_rwsem#7/1); lock(&ei->i_data_sem/3); lock(&ea_inode->i_rwsem#7/1); *** DEADLOCK *** 5 locks held by syz-executor543/2794: #0: ffff888026fbc448 (sb_writers#4){.+.+}-{0:0}, at: mnt_want_write+0x4a/0x2a0 fs/namespace.c:365 #1: ffff8880215e3488 (&sb->s_type->i_mutex_key#7){++++}-{3:3}, at: inode_lock include/linux/fs.h:782 [inline] #1: ffff8880215e3488 (&sb->s_type->i_mutex_key#7){++++}-{3:3}, at: do_truncate+0x1cf/0x2c0 fs/open.c:62 #2: ffff8880215e3310 (&ei->i_mmap_sem){++++}-{3:3}, at: ext4_setattr+0xec4/0x19c0 fs/ext4/inode.c:5519 #3: ffff8880215e3278 (&ei->i_data_sem/3){++++}-{3:3}, at: ext4_setattr+0x136d/0x19c0 fs/ext4/inode.c:5559 #4: ffff8880215e30c8 (&ei->xattr_sem){++++}-{3:3}, at: ext4_write_trylock_xattr fs/ext4/xattr.h:162 [inline] #4: ffff8880215e30c8 (&ei->xattr_sem){++++}-{3:3}, at: ext4_try_to_expand_extra_isize fs/ext4/inode.c:5938 [inline] #4: ffff8880215e30c8 (&ei->xattr_sem){++++}-{3:3}, at: __ext4_mark_inode_dirty+0x4fb/0x810 fs/ext4/inode.c:6018 stack backtrace: CPU: 1 PID: 2794 Comm: syz-executor543 Not tainted 5.10.0-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024 Call Trace: __dump_stack lib/dump_stack.c:77 [inline] dump_stack+0x177/0x211 lib/dump_stack.c:118 print_circular_bug+0x146/0x1b0 kernel/locking/lockdep.c:2002 check_noncircular+0x2cc/0x390 kernel/locking/lockdep.c:2123 check_prev_add kernel/locking/lockdep.c:2988 [inline] check_prevs_add kernel/locking/lockdep.c:3113 [inline] validate_chain+0x1695/0x58f0 kernel/locking/lockdep.c:3729 __lock_acquire+0x12fd/0x20d0 kernel/locking/lockdep.c:4955 lock_acquire+0x197/0x480 kernel/locking/lockdep.c:5566 down_write+0x93/0x180 kernel/locking/rwsem.c:1564 inode_lock include/linux/fs.h:782 [inline] ext4_xattr_inode_iget+0x42a/0x5c0 fs/ext4/xattr.c:425 ext4_xattr_inode_get+0x138/0x410 fs/ext4/xattr.c:485 ext4_xattr_move_to_block fs/ext4/xattr.c:2580 [inline] ext4_xattr_make_inode_space fs/ext4/xattr.c:2682 [inline] ext4_expand_extra_isize_ea+0xe70/0x1bb0 fs/ext4/xattr.c:2774 __ext4_expand_extra_isize+0x304/0x3f0 fs/ext4/inode.c:5898 ext4_try_to_expand_extra_isize fs/ext4/inode.c:5941 [inline] __ext4_mark_inode_dirty+0x591/0x810 fs/ext4/inode.c:6018 ext4_setattr+0x1400/0x19c0 fs/ext4/inode.c:5562 notify_change+0xbb6/0xe60 fs/attr.c:435 do_truncate+0x1de/0x2c0 fs/open.c:64 handle_truncate fs/namei.c:2970 [inline] do_open fs/namei.c:3311 [inline] path_openat+0x29f3/0x3290 fs/namei.c:3425 do_filp_open+0x20b/0x450 fs/namei.c:3452 do_sys_openat2+0x124/0x460 fs/open.c:1207 do_sys_open fs/open.c:1223 [inline] __do_sys_open fs/open.c:1231 [inline] __se_sys_open fs/open.c:1227 [inline] __x64_sys_open+0x221/0x270 fs/open.c:1227 do_syscall_64+0x6d/0xa0 arch/x86/entry/common.c:62 entry_SYSCALL_64_after_hwframe+0x61/0xcb RIP: 0033:0x7f0cde4ea229 Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 21 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007ffd81d1c978 EFLAGS: 00000246 ORIG_RAX: 0000000000000002 RAX: ffffffffffffffda RBX: 0030656c69662f30 RCX: 00007f0cde4ea229 RDX: 0000000000000089 RSI: 00000000000a0a00 RDI: 00000000200001c0 RBP: 2f30656c69662f2e R08: 0000000000208000 R09: 0000000000208000 R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffd81d1c9c0 R13: 00007ffd81d1ca00 R14: 0000000000080000 R15: 0000000000000003 EXT4-fs error (device loop0): ext4_expand_extra_isize_ea:2730: inode #13: comm syz-executor543: corrupted in-inode xattr Signed-off-by: Wojciech Gładysz Link: https://patch.msgid.link/20240801143827.19135-1-wojciech.gladysz@infogain.com Signed-off-by: Theodore Ts'o Signed-off-by: Sasha Levin --- fs/ext4/xattr.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/fs/ext4/xattr.c b/fs/ext4/xattr.c index b91a1d1099d5..d1d930d09cb8 100644 --- a/fs/ext4/xattr.c +++ b/fs/ext4/xattr.c @@ -422,7 +422,7 @@ static int ext4_xattr_inode_iget(struct inode *parent, unsigned long ea_ino, ext4_set_inode_state(inode, EXT4_STATE_LUSTRE_EA_INODE); ext4_xattr_inode_set_ref(inode, 1); } else { - inode_lock(inode); + inode_lock_nested(inode, I_MUTEX_XATTR); inode->i_flags |= S_NOQUOTA; inode_unlock(inode); } @@ -986,7 +986,7 @@ static int ext4_xattr_inode_update_ref(handle_t *handle, struct inode *ea_inode, s64 ref_count; int ret; - inode_lock(ea_inode); + inode_lock_nested(ea_inode, I_MUTEX_XATTR); ret = ext4_reserve_inode_write(handle, ea_inode, &iloc); if (ret) From 345d3c0bf2bde58918f34eacea2ab3fc52340e1d Mon Sep 17 00:00:00 2001 From: Thomas Richter Date: Wed, 10 Jul 2024 12:23:47 +0200 Subject: [PATCH 453/649] s390/cpum_sf: Remove WARN_ON_ONCE statements [ Upstream commit b495e710157606889f2d8bdc62aebf2aa02f67a7 ] Remove WARN_ON_ONCE statements. These have not triggered in the past. Signed-off-by: Thomas Richter Acked-by: Sumanth Korikkar Cc: Heiko Carstens Cc: Vasily Gorbik Cc: Alexander Gordeev Signed-off-by: Vasily Gorbik Signed-off-by: Sasha Levin --- arch/s390/kernel/perf_cpum_sf.c | 12 ++++-------- 1 file changed, 4 insertions(+), 8 deletions(-) diff --git a/arch/s390/kernel/perf_cpum_sf.c b/arch/s390/kernel/perf_cpum_sf.c index bcd31e0b4edb..a9e05f4d0a48 100644 --- a/arch/s390/kernel/perf_cpum_sf.c +++ b/arch/s390/kernel/perf_cpum_sf.c @@ -1432,7 +1432,7 @@ static int aux_output_begin(struct perf_output_handle *handle, unsigned long head, base, offset; struct hws_trailer_entry *te; - if (WARN_ON_ONCE(handle->head & ~PAGE_MASK)) + if (handle->head & ~PAGE_MASK) return -EINVAL; aux->head = handle->head >> PAGE_SHIFT; @@ -1613,7 +1613,7 @@ static void hw_collect_aux(struct cpu_hw_sf *cpuhw) unsigned long num_sdb; aux = perf_get_aux(handle); - if (WARN_ON_ONCE(!aux)) + if (!aux) return; /* Inform user space new data arrived */ @@ -1635,7 +1635,7 @@ static void hw_collect_aux(struct cpu_hw_sf *cpuhw) __func__); break; } - if (WARN_ON_ONCE(!aux)) + if (!aux) return; /* Update head and alert_mark to new position */ @@ -1870,12 +1870,8 @@ static void cpumsf_pmu_start(struct perf_event *event, int flags) { struct cpu_hw_sf *cpuhw = this_cpu_ptr(&cpu_hw_sf); - if (WARN_ON_ONCE(!(event->hw.state & PERF_HES_STOPPED))) + if (!(event->hw.state & PERF_HES_STOPPED)) return; - - if (flags & PERF_EF_RELOAD) - WARN_ON_ONCE(!(event->hw.state & PERF_HES_UPTODATE)); - perf_pmu_disable(event->pmu); event->hw.state = 0; cpuhw->lsctl.cs = 1; From 24318116c485e96f9512ff69020629462dfed787 Mon Sep 17 00:00:00 2001 From: Daniel Jordan Date: Wed, 4 Sep 2024 13:55:30 -0400 Subject: [PATCH 454/649] ktest.pl: Avoid false positives with grub2 skip regex [ Upstream commit 2351e8c65404aabc433300b6bf90c7a37e8bbc4d ] Some distros have grub2 config files with the lines if [ x"${feature_menuentry_id}" = xy ]; then menuentry_id_option="--id" else menuentry_id_option="" fi which match the skip regex defined for grub2 in get_grub_index(): $skip = '^\s*menuentry'; These false positives cause the grub number to be higher than it should be, and the wrong kernel can end up booting. Grub documents the menuentry command with whitespace between it and the title, so make the skip regex reflect this. Link: https://lore.kernel.org/20240904175530.84175-1-daniel.m.jordan@oracle.com Signed-off-by: Daniel Jordan Acked-by: John 'Warthog9' Hawley (Tenstorrent) Signed-off-by: Steven Rostedt Signed-off-by: Sasha Levin --- tools/testing/ktest/ktest.pl | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/tools/testing/ktest/ktest.pl b/tools/testing/ktest/ktest.pl index f72da30795dd..f260b455b74d 100755 --- a/tools/testing/ktest/ktest.pl +++ b/tools/testing/ktest/ktest.pl @@ -1985,7 +1985,7 @@ sub get_grub_index { } elsif ($reboot_type eq "grub2") { $command = "cat $grub_file"; $target = '^\s*menuentry.*' . $grub_menu_qt; - $skip = '^\s*menuentry'; + $skip = '^\s*menuentry\s'; $submenu = '^\s*submenu\s'; } elsif ($reboot_type eq "grub2bls") { $command = $grub_bls_get; From 713adaf0ecfc49405f6e5d9e409d984f628de818 Mon Sep 17 00:00:00 2001 From: Saravanan Vajravel Date: Mon, 22 Jul 2024 16:33:25 +0530 Subject: [PATCH 455/649] RDMA/mad: Improve handling of timed out WRs of mad agent [ Upstream commit 2a777679b8ccd09a9a65ea0716ef10365179caac ] Current timeout handler of mad agent acquires/releases mad_agent_priv lock for every timed out WRs. This causes heavy locking contention when higher no. of WRs are to be handled inside timeout handler. This leads to softlockup with below trace in some use cases where rdma-cm path is used to establish connection between peer nodes Trace: ----- BUG: soft lockup - CPU#4 stuck for 26s! [kworker/u128:3:19767] CPU: 4 PID: 19767 Comm: kworker/u128:3 Kdump: loaded Tainted: G OE ------- --- 5.14.0-427.13.1.el9_4.x86_64 #1 Hardware name: Dell Inc. PowerEdge R740/01YM03, BIOS 2.4.8 11/26/2019 Workqueue: ib_mad1 timeout_sends [ib_core] RIP: 0010:__do_softirq+0x78/0x2ac RSP: 0018:ffffb253449e4f98 EFLAGS: 00000246 RAX: 00000000ffffffff RBX: 0000000000000000 RCX: 000000000000001f RDX: 000000000000001d RSI: 000000003d1879ab RDI: fff363b66fd3a86b RBP: ffffb253604cbcd8 R08: 0000009065635f3b R09: 0000000000000000 R10: 0000000000000040 R11: ffffb253449e4ff8 R12: 0000000000000000 R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000040 FS: 0000000000000000(0000) GS:ffff8caa1fc80000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fd9ec9db900 CR3: 0000000891934006 CR4: 00000000007706e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 PKRU: 55555554 Call Trace: ? show_trace_log_lvl+0x1c4/0x2df ? show_trace_log_lvl+0x1c4/0x2df ? __irq_exit_rcu+0xa1/0xc0 ? watchdog_timer_fn+0x1b2/0x210 ? __pfx_watchdog_timer_fn+0x10/0x10 ? __hrtimer_run_queues+0x127/0x2c0 ? hrtimer_interrupt+0xfc/0x210 ? __sysvec_apic_timer_interrupt+0x5c/0x110 ? sysvec_apic_timer_interrupt+0x37/0x90 ? asm_sysvec_apic_timer_interrupt+0x16/0x20 ? __do_softirq+0x78/0x2ac ? __do_softirq+0x60/0x2ac __irq_exit_rcu+0xa1/0xc0 sysvec_call_function_single+0x72/0x90 asm_sysvec_call_function_single+0x16/0x20 RIP: 0010:_raw_spin_unlock_irq+0x14/0x30 RSP: 0018:ffffb253604cbd88 EFLAGS: 00000247 RAX: 000000000001960d RBX: 0000000000000002 RCX: ffff8cad2a064800 RDX: 000000008020001b RSI: 0000000000000001 RDI: ffff8cad5d39f66c RBP: ffff8cad5d39f600 R08: 0000000000000001 R09: 0000000000000000 R10: ffff8caa443e0c00 R11: ffffb253604cbcd8 R12: ffff8cacb8682538 R13: 0000000000000005 R14: ffffb253604cbd90 R15: ffff8cad5d39f66c cm_process_send_error+0x122/0x1d0 [ib_cm] timeout_sends+0x1dd/0x270 [ib_core] process_one_work+0x1e2/0x3b0 ? __pfx_worker_thread+0x10/0x10 worker_thread+0x50/0x3a0 ? __pfx_worker_thread+0x10/0x10 kthread+0xdd/0x100 ? __pfx_kthread+0x10/0x10 ret_from_fork+0x29/0x50 Simplified timeout handler by creating local list of timed out WRs and invoke send handler post creating the list. The new method acquires/ releases lock once to fetch the list and hence helps to reduce locking contetiong when processing higher no. of WRs Signed-off-by: Saravanan Vajravel Link: https://lore.kernel.org/r/20240722110325.195085-1-saravanan.vajravel@broadcom.com Signed-off-by: Leon Romanovsky Signed-off-by: Sasha Levin --- drivers/infiniband/core/mad.c | 14 ++++++++------ 1 file changed, 8 insertions(+), 6 deletions(-) diff --git a/drivers/infiniband/core/mad.c b/drivers/infiniband/core/mad.c index 9355e521d9f4..521c3d050be2 100644 --- a/drivers/infiniband/core/mad.c +++ b/drivers/infiniband/core/mad.c @@ -2631,14 +2631,16 @@ static int retry_send(struct ib_mad_send_wr_private *mad_send_wr) static void timeout_sends(struct work_struct *work) { + struct ib_mad_send_wr_private *mad_send_wr, *n; struct ib_mad_agent_private *mad_agent_priv; - struct ib_mad_send_wr_private *mad_send_wr; struct ib_mad_send_wc mad_send_wc; + struct list_head local_list; unsigned long flags, delay; mad_agent_priv = container_of(work, struct ib_mad_agent_private, timed_work.work); mad_send_wc.vendor_err = 0; + INIT_LIST_HEAD(&local_list); spin_lock_irqsave(&mad_agent_priv->lock, flags); while (!list_empty(&mad_agent_priv->wait_list)) { @@ -2656,13 +2658,16 @@ static void timeout_sends(struct work_struct *work) break; } - list_del(&mad_send_wr->agent_list); + list_del_init(&mad_send_wr->agent_list); if (mad_send_wr->status == IB_WC_SUCCESS && !retry_send(mad_send_wr)) continue; - spin_unlock_irqrestore(&mad_agent_priv->lock, flags); + list_add_tail(&mad_send_wr->agent_list, &local_list); + } + spin_unlock_irqrestore(&mad_agent_priv->lock, flags); + list_for_each_entry_safe(mad_send_wr, n, &local_list, agent_list) { if (mad_send_wr->status == IB_WC_SUCCESS) mad_send_wc.status = IB_WC_RESP_TIMEOUT_ERR; else @@ -2670,11 +2675,8 @@ static void timeout_sends(struct work_struct *work) mad_send_wc.send_buf = &mad_send_wr->send_buf; mad_agent_priv->agent.send_handler(&mad_agent_priv->agent, &mad_send_wc); - deref_mad_agent(mad_agent_priv); - spin_lock_irqsave(&mad_agent_priv->lock, flags); } - spin_unlock_irqrestore(&mad_agent_priv->lock, flags); } /* From b10c1ca941c283ec2c0b13c192ad34e122875b29 Mon Sep 17 00:00:00 2001 From: WangYuli Date: Fri, 23 Aug 2024 17:57:08 +0800 Subject: [PATCH 456/649] PCI: Add function 0 DMA alias quirk for Glenfly Arise chip [ Upstream commit 9246b487ab3c3b5993aae7552b7a4c541cc14a49 ] Add DMA support for audio function of Glenfly Arise chip, which uses Requester ID of function 0. Link: https://lore.kernel.org/r/CA2BBD087345B6D1+20240823095708.3237375-1-wangyuli@uniontech.com Signed-off-by: SiyuLi Signed-off-by: WangYuli [bhelgaas: lower-case hex to match local code, drop unused Device IDs] Signed-off-by: Bjorn Helgaas Reviewed-by: Takashi Iwai Signed-off-by: Sasha Levin --- drivers/pci/quirks.c | 4 ++++ include/linux/pci_ids.h | 2 ++ sound/pci/hda/hda_intel.c | 2 +- 3 files changed, 7 insertions(+), 1 deletion(-) diff --git a/drivers/pci/quirks.c b/drivers/pci/quirks.c index 60a469bdc7e3..6f782734bb6e 100644 --- a/drivers/pci/quirks.c +++ b/drivers/pci/quirks.c @@ -4092,6 +4092,10 @@ static void quirk_dma_func0_alias(struct pci_dev *dev) DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_RICOH, 0xe832, quirk_dma_func0_alias); DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_RICOH, 0xe476, quirk_dma_func0_alias); +/* Some Glenfly chips use function 0 as the PCIe Requester ID for DMA */ +DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_GLENFLY, 0x3d40, quirk_dma_func0_alias); +DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_GLENFLY, 0x3d41, quirk_dma_func0_alias); + static void quirk_dma_func1_alias(struct pci_dev *dev) { if (PCI_FUNC(dev->devfn) != 1) diff --git a/include/linux/pci_ids.h b/include/linux/pci_ids.h index b2418bfda4a9..c4ad85bf9897 100644 --- a/include/linux/pci_ids.h +++ b/include/linux/pci_ids.h @@ -2657,6 +2657,8 @@ #define PCI_DEVICE_ID_DCI_PCCOM8 0x0002 #define PCI_DEVICE_ID_DCI_PCCOM2 0x0004 +#define PCI_VENDOR_ID_GLENFLY 0x6766 + #define PCI_VENDOR_ID_INTEL 0x8086 #define PCI_DEVICE_ID_INTEL_EESSC 0x0008 #define PCI_DEVICE_ID_INTEL_PXHD_0 0x0320 diff --git a/sound/pci/hda/hda_intel.c b/sound/pci/hda/hda_intel.c index a3c6a5eeba3a..b92095bb28c3 100644 --- a/sound/pci/hda/hda_intel.c +++ b/sound/pci/hda/hda_intel.c @@ -2777,7 +2777,7 @@ static const struct pci_device_id azx_ids[] = { .driver_data = AZX_DRIVER_ATIHDMI_NS | AZX_DCAPS_PRESET_ATI_HDMI_NS | AZX_DCAPS_PM_RUNTIME }, /* GLENFLY */ - { PCI_DEVICE(0x6766, PCI_ANY_ID), + { PCI_DEVICE(PCI_VENDOR_ID_GLENFLY, PCI_ANY_ID), .class = PCI_CLASS_MULTIMEDIA_HD_AUDIO << 8, .class_mask = 0xffffff, .driver_data = AZX_DRIVER_GFHDMI | AZX_DCAPS_POSFIX_LPIB | From f3e0a8b7d4a553604e18e80a0e6e7d84194055f7 Mon Sep 17 00:00:00 2001 From: Krzysztof Kozlowski Date: Mon, 26 Aug 2024 08:58:01 +0200 Subject: [PATCH 457/649] clk: bcm: bcm53573: fix OF node leak in init [ Upstream commit f92d67e23b8caa81f6322a2bad1d633b00ca000e ] Driver code is leaking OF node reference from of_get_parent() in bcm53573_ilp_init(). Usage of of_get_parent() is not needed in the first place, because the parent node will not be freed while we are processing given node (triggered by CLK_OF_DECLARE()). Thus fix the leak by accessing parent directly, instead of of_get_parent(). Signed-off-by: Krzysztof Kozlowski Link: https://lore.kernel.org/r/20240826065801.17081-1-krzysztof.kozlowski@linaro.org Signed-off-by: Stephen Boyd Signed-off-by: Sasha Levin --- drivers/clk/bcm/clk-bcm53573-ilp.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/clk/bcm/clk-bcm53573-ilp.c b/drivers/clk/bcm/clk-bcm53573-ilp.c index 84f2af736ee8..83ef41d618be 100644 --- a/drivers/clk/bcm/clk-bcm53573-ilp.c +++ b/drivers/clk/bcm/clk-bcm53573-ilp.c @@ -112,7 +112,7 @@ static void bcm53573_ilp_init(struct device_node *np) goto err_free_ilp; } - ilp->regmap = syscon_node_to_regmap(of_get_parent(np)); + ilp->regmap = syscon_node_to_regmap(np->parent); if (IS_ERR(ilp->regmap)) { err = PTR_ERR(ilp->regmap); goto err_free_ilp; From e4f218455cefa18e3db4bb88dd13818afa033ed9 Mon Sep 17 00:00:00 2001 From: Subramanian Ananthanarayanan Date: Fri, 6 Sep 2024 10:52:27 +0530 Subject: [PATCH 458/649] PCI: Add ACS quirk for Qualcomm SA8775P MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit [ Upstream commit 026f84d3fa62d215b11cbeb5a5d97df941e93b5c ] The Qualcomm SA8775P root ports don't advertise an ACS capability, but they do provide ACS-like features to disable peer transactions and validate bus numbers in requests. Thus, add an ACS quirk for the SA8775P. Link: https://lore.kernel.org/linux-pci/20240906052228.1829485-1-quic_skananth@quicinc.com Signed-off-by: Subramanian Ananthanarayanan Signed-off-by: Krzysztof Wilczyński Signed-off-by: Sasha Levin --- drivers/pci/quirks.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/drivers/pci/quirks.c b/drivers/pci/quirks.c index 6f782734bb6e..f0bbdc72255e 100644 --- a/drivers/pci/quirks.c +++ b/drivers/pci/quirks.c @@ -4920,6 +4920,8 @@ static const struct pci_dev_acs_enabled { /* QCOM QDF2xxx root ports */ { PCI_VENDOR_ID_QCOM, 0x0400, pci_quirk_qcom_rp_acs }, { PCI_VENDOR_ID_QCOM, 0x0401, pci_quirk_qcom_rp_acs }, + /* QCOM SA8775P root port */ + { PCI_VENDOR_ID_QCOM, 0x0115, pci_quirk_qcom_rp_acs }, /* HXT SD4800 root ports. The ACS design is same as QCOM QDF2xxx */ { PCI_VENDOR_ID_HXT, 0x0401, pci_quirk_qcom_rp_acs }, /* Intel PCH root ports */ From a28703d4d406bf84e74c70388249fff562da1704 Mon Sep 17 00:00:00 2001 From: Hans de Goede Date: Mon, 12 Aug 2024 22:39:48 +0200 Subject: [PATCH 459/649] i2c: i801: Use a different adapter-name for IDF adapters MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit [ Upstream commit 43457ada98c824f310adb7bd96bd5f2fcd9a3279 ] On chipsets with a second 'Integrated Device Function' SMBus controller use a different adapter-name for the second IDF adapter. This allows platform glue code which is looking for the primary i801 adapter to manually instantiate i2c_clients on to differentiate between the 2. This allows such code to find the primary i801 adapter by name, without needing to duplicate the PCI-ids to feature-flags mapping from i2c-i801.c. Reviewed-by: Pali Rohár Signed-off-by: Hans de Goede Acked-by: Wolfram Sang Signed-off-by: Andi Shyti Signed-off-by: Sasha Levin --- drivers/i2c/busses/i2c-i801.c | 9 ++++++++- 1 file changed, 8 insertions(+), 1 deletion(-) diff --git a/drivers/i2c/busses/i2c-i801.c b/drivers/i2c/busses/i2c-i801.c index 4baa9bce02b6..3d5ef84482b2 100644 --- a/drivers/i2c/busses/i2c-i801.c +++ b/drivers/i2c/busses/i2c-i801.c @@ -1895,8 +1895,15 @@ static int i801_probe(struct pci_dev *dev, const struct pci_device_id *id) i801_add_tco(priv); + /* + * adapter.name is used by platform code to find the main I801 adapter + * to instantiante i2c_clients, do not change. + */ snprintf(priv->adapter.name, sizeof(priv->adapter.name), - "SMBus I801 adapter at %04lx", priv->smba); + "SMBus %s adapter at %04lx", + (priv->features & FEATURE_IDF) ? "I801 IDF" : "I801", + priv->smba); + err = i2c_add_adapter(&priv->adapter); if (err) { platform_device_unregister(priv->tco_pdev); From 63047187a5161bfc42e6a26195150875db0995d0 Mon Sep 17 00:00:00 2001 From: Alex Williamson Date: Thu, 12 Sep 2024 15:53:27 -0600 Subject: [PATCH 460/649] PCI: Mark Creative Labs EMU20k2 INTx masking as broken MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit [ Upstream commit 2910306655a7072640021563ec9501bfa67f0cb1 ] Per user reports, the Creative Labs EMU20k2 (Sound Blaster X-Fi Titanium Series) generates spurious interrupts when used with vfio-pci unless DisINTx masking support is disabled. Thus, quirk the device to mark INTx masking as broken. Closes: https://lore.kernel.org/all/VI1PR10MB8207C507DB5420AB4C7281E0DB9A2@VI1PR10MB8207.EURPRD10.PROD.OUTLOOK.COM Link: https://lore.kernel.org/linux-pci/20240912215331.839220-1-alex.williamson@redhat.com Reported-by: zdravko delineshev Signed-off-by: Alex Williamson [kwilczynski: commit log] Signed-off-by: Krzysztof Wilczyński Signed-off-by: Sasha Levin --- drivers/pci/quirks.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/drivers/pci/quirks.c b/drivers/pci/quirks.c index f0bbdc72255e..86b91f8da1ca 100644 --- a/drivers/pci/quirks.c +++ b/drivers/pci/quirks.c @@ -3454,6 +3454,8 @@ DECLARE_PCI_FIXUP_FINAL(0x1814, 0x0601, /* Ralink RT2800 802.11n PCI */ quirk_broken_intx_masking); DECLARE_PCI_FIXUP_FINAL(0x1b7c, 0x0004, /* Ceton InfiniTV4 */ quirk_broken_intx_masking); +DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_CREATIVE, PCI_DEVICE_ID_CREATIVE_20K2, + quirk_broken_intx_masking); /* * Realtek RTL8169 PCI Gigabit Ethernet Controller (rev 10) From b650189687822b705711f0567a65a164a314d8df Mon Sep 17 00:00:00 2001 From: Kaixin Wang Date: Tue, 10 Sep 2024 01:20:07 +0800 Subject: [PATCH 461/649] ntb: ntb_hw_switchtec: Fix use after free vulnerability in switchtec_ntb_remove due to race condition [ Upstream commit e51aded92d42784313ba16c12f4f88cc4f973bbb ] In the switchtec_ntb_add function, it can call switchtec_ntb_init_sndev function, then &sndev->check_link_status_work is bound with check_link_status_work. switchtec_ntb_link_notification may be called to start the work. If we remove the module which will call switchtec_ntb_remove to make cleanup, it will free sndev through kfree(sndev), while the work mentioned above will be used. The sequence of operations that may lead to a UAF bug is as follows: CPU0 CPU1 | check_link_status_work switchtec_ntb_remove | kfree(sndev); | | if (sndev->link_force_down) | // use sndev Fix it by ensuring that the work is canceled before proceeding with the cleanup in switchtec_ntb_remove. Signed-off-by: Kaixin Wang Reviewed-by: Logan Gunthorpe Signed-off-by: Jon Mason Signed-off-by: Sasha Levin --- drivers/ntb/hw/mscc/ntb_hw_switchtec.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/ntb/hw/mscc/ntb_hw_switchtec.c b/drivers/ntb/hw/mscc/ntb_hw_switchtec.c index 4c6eb61a6ac6..ad09946100b5 100644 --- a/drivers/ntb/hw/mscc/ntb_hw_switchtec.c +++ b/drivers/ntb/hw/mscc/ntb_hw_switchtec.c @@ -1558,6 +1558,7 @@ static void switchtec_ntb_remove(struct device *dev, switchtec_ntb_deinit_db_msg_irq(sndev); switchtec_ntb_deinit_shared_mw(sndev); switchtec_ntb_deinit_crosslink(sndev); + cancel_work_sync(&sndev->check_link_status_work); kfree(sndev); dev_info(dev, "ntb device unregistered\n"); } From 37c181e389f02330ce10f35a39915e179e8267ef Mon Sep 17 00:00:00 2001 From: Yunke Cao Date: Wed, 14 Aug 2024 11:06:40 +0900 Subject: [PATCH 462/649] media: videobuf2-core: clear memory related fields in __vb2_plane_dmabuf_put() [ Upstream commit 6a9c97ab6b7e85697e0b74e86062192a5ffffd99 ] Clear vb2_plane's memory related fields in __vb2_plane_dmabuf_put(), including bytesused, length, fd and data_offset. Remove the duplicated code in __prepare_dmabuf(). Signed-off-by: Yunke Cao Acked-by: Tomasz Figa Signed-off-by: Hans Verkuil Signed-off-by: Sasha Levin --- drivers/media/common/videobuf2/videobuf2-core.c | 8 ++++---- 1 file changed, 4 insertions(+), 4 deletions(-) diff --git a/drivers/media/common/videobuf2/videobuf2-core.c b/drivers/media/common/videobuf2/videobuf2-core.c index 3bafde87a125..78ad2b278da4 100644 --- a/drivers/media/common/videobuf2/videobuf2-core.c +++ b/drivers/media/common/videobuf2/videobuf2-core.c @@ -301,6 +301,10 @@ static void __vb2_plane_dmabuf_put(struct vb2_buffer *vb, struct vb2_plane *p) p->mem_priv = NULL; p->dbuf = NULL; p->dbuf_mapped = 0; + p->bytesused = 0; + p->length = 0; + p->m.fd = 0; + p->data_offset = 0; } /* @@ -1278,10 +1282,6 @@ static int __prepare_dmabuf(struct vb2_buffer *vb) /* Release previously acquired memory if present */ __vb2_plane_dmabuf_put(vb, &vb->planes[plane]); - vb->planes[plane].bytesused = 0; - vb->planes[plane].length = 0; - vb->planes[plane].m.fd = 0; - vb->planes[plane].data_offset = 0; /* Acquire each plane's memory */ mem_priv = call_ptr_memop(vb, attach_dmabuf, From b677b94a9193ec7b6607bd1255172ae59174a382 Mon Sep 17 00:00:00 2001 From: Peng Fan Date: Fri, 7 Jun 2024 21:33:39 +0800 Subject: [PATCH 463/649] clk: imx: Remove CLK_SET_PARENT_GATE for DRAM mux for i.MX7D [ Upstream commit a54c441b46a0745683c2eef5a359d22856d27323 ] For i.MX7D DRAM related mux clock, the clock source change should ONLY be done done in low level asm code without accessing DRAM, and then calling clk API to sync the HW clock status with clk tree, it should never touch real clock source switch via clk API, so CLK_SET_PARENT_GATE flag should NOT be added, otherwise, DRAM's clock parent will be disabled when DRAM is active, and system will hang. Signed-off-by: Peng Fan Reviewed-by: Abel Vesa Link: https://lore.kernel.org/r/20240607133347.3291040-8-peng.fan@oss.nxp.com Signed-off-by: Abel Vesa Signed-off-by: Sasha Levin --- drivers/clk/imx/clk-imx7d.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/clk/imx/clk-imx7d.c b/drivers/clk/imx/clk-imx7d.c index 3f6fd7ef2a68..0e68e5f2d7e7 100644 --- a/drivers/clk/imx/clk-imx7d.c +++ b/drivers/clk/imx/clk-imx7d.c @@ -498,9 +498,9 @@ static void __init imx7d_clocks_init(struct device_node *ccm_node) hws[IMX7D_ENET_AXI_ROOT_SRC] = imx_clk_hw_mux2_flags("enet_axi_src", base + 0x8900, 24, 3, enet_axi_sel, ARRAY_SIZE(enet_axi_sel), CLK_SET_PARENT_GATE); hws[IMX7D_NAND_USDHC_BUS_ROOT_SRC] = imx_clk_hw_mux2_flags("nand_usdhc_src", base + 0x8980, 24, 3, nand_usdhc_bus_sel, ARRAY_SIZE(nand_usdhc_bus_sel), CLK_SET_PARENT_GATE); hws[IMX7D_DRAM_PHYM_ROOT_SRC] = imx_clk_hw_mux2_flags("dram_phym_src", base + 0x9800, 24, 1, dram_phym_sel, ARRAY_SIZE(dram_phym_sel), CLK_SET_PARENT_GATE); - hws[IMX7D_DRAM_ROOT_SRC] = imx_clk_hw_mux2_flags("dram_src", base + 0x9880, 24, 1, dram_sel, ARRAY_SIZE(dram_sel), CLK_SET_PARENT_GATE); + hws[IMX7D_DRAM_ROOT_SRC] = imx_clk_hw_mux2("dram_src", base + 0x9880, 24, 1, dram_sel, ARRAY_SIZE(dram_sel)); hws[IMX7D_DRAM_PHYM_ALT_ROOT_SRC] = imx_clk_hw_mux2_flags("dram_phym_alt_src", base + 0xa000, 24, 3, dram_phym_alt_sel, ARRAY_SIZE(dram_phym_alt_sel), CLK_SET_PARENT_GATE); - hws[IMX7D_DRAM_ALT_ROOT_SRC] = imx_clk_hw_mux2_flags("dram_alt_src", base + 0xa080, 24, 3, dram_alt_sel, ARRAY_SIZE(dram_alt_sel), CLK_SET_PARENT_GATE); + hws[IMX7D_DRAM_ALT_ROOT_SRC] = imx_clk_hw_mux2("dram_alt_src", base + 0xa080, 24, 3, dram_alt_sel, ARRAY_SIZE(dram_alt_sel)); hws[IMX7D_USB_HSIC_ROOT_SRC] = imx_clk_hw_mux2_flags("usb_hsic_src", base + 0xa100, 24, 3, usb_hsic_sel, ARRAY_SIZE(usb_hsic_sel), CLK_SET_PARENT_GATE); hws[IMX7D_PCIE_CTRL_ROOT_SRC] = imx_clk_hw_mux2_flags("pcie_ctrl_src", base + 0xa180, 24, 3, pcie_ctrl_sel, ARRAY_SIZE(pcie_ctrl_sel), CLK_SET_PARENT_GATE); hws[IMX7D_PCIE_PHY_ROOT_SRC] = imx_clk_hw_mux2_flags("pcie_phy_src", base + 0xa200, 24, 3, pcie_phy_sel, ARRAY_SIZE(pcie_phy_sel), CLK_SET_PARENT_GATE); From 4c83143fc65c3773131e36a105a70809deb66887 Mon Sep 17 00:00:00 2001 From: Xu Yang Date: Fri, 23 Aug 2024 15:38:32 +0800 Subject: [PATCH 464/649] usb: chipidea: udc: enable suspend interrupt after usb reset [ Upstream commit e4fdcc10092fb244218013bfe8ff01c55d54e8e4 ] Currently, suspend interrupt is enabled before pullup enable operation. This will cause a suspend interrupt assert right after pullup DP. This suspend interrupt is meaningless, so this will ignore such interrupt by enable it after usb reset completed. Signed-off-by: Xu Yang Acked-by: Peter Chen Link: https://lore.kernel.org/r/20240823073832.1702135-1-xu.yang_2@nxp.com Signed-off-by: Greg Kroah-Hartman Signed-off-by: Sasha Levin --- drivers/usb/chipidea/udc.c | 8 +++++++- 1 file changed, 7 insertions(+), 1 deletion(-) diff --git a/drivers/usb/chipidea/udc.c b/drivers/usb/chipidea/udc.c index 67d8da04848e..5cdf03534c0c 100644 --- a/drivers/usb/chipidea/udc.c +++ b/drivers/usb/chipidea/udc.c @@ -83,7 +83,7 @@ static int hw_device_state(struct ci_hdrc *ci, u32 dma) hw_write(ci, OP_ENDPTLISTADDR, ~0, dma); /* interrupt, error, port change, reset, sleep/suspend */ hw_write(ci, OP_USBINTR, ~0, - USBi_UI|USBi_UEI|USBi_PCI|USBi_URI|USBi_SLI); + USBi_UI|USBi_UEI|USBi_PCI|USBi_URI); } else { hw_write(ci, OP_USBINTR, ~0, 0); } @@ -862,6 +862,7 @@ __releases(ci->lock) __acquires(ci->lock) { int retval; + u32 intr; spin_unlock(&ci->lock); if (ci->gadget.speed != USB_SPEED_UNKNOWN) @@ -875,6 +876,11 @@ __acquires(ci->lock) if (retval) goto done; + /* clear SLI */ + hw_write(ci, OP_USBSTS, USBi_SLI, USBi_SLI); + intr = hw_read(ci, OP_USBINTR, ~0); + hw_write(ci, OP_USBINTR, ~0, intr | USBi_SLI); + ci->status = usb_ep_alloc_request(&ci->ep0in->ep, GFP_ATOMIC); if (ci->status == NULL) retval = -ENOMEM; From 30ea38665dbf18cd4a77a40049e6416f74c0c879 Mon Sep 17 00:00:00 2001 From: Shawn Shao Date: Fri, 30 Aug 2024 11:17:09 +0800 Subject: [PATCH 465/649] usb: dwc2: Adjust the timing of USB Driver Interrupt Registration in the Crashkernel Scenario [ Upstream commit 4058c39bd176daf11a826802d940d86292a6b02b ] The issue is that before entering the crash kernel, the DWC USB controller did not perform operations such as resetting the interrupt mask bits. After entering the crash kernel,before the USB interrupt handler registration was completed while loading the DWC USB driver,an GINTSTS_SOF interrupt was received.This triggered the misroute_irq process within the GIC handling framework,ultimately leading to the misrouting of the interrupt,causing it to be handled by the wrong interrupt handler and resulting in the issue. Summary:In a scenario where the kernel triggers a panic and enters the crash kernel,it is necessary to ensure that the interrupt mask bit is not enabled before the interrupt registration is complete. If an interrupt reaches the CPU at this moment,it will certainly not be handled correctly,especially in cases where this interrupt is reported frequently. Please refer to the Crashkernel dmesg information as follows (the message on line 3 was added before devm_request_irq is called by the dwc2_driver_probe function): [ 5.866837][ T1] dwc2 JMIC0010:01: supply vusb_d not found, using dummy regulator [ 5.874588][ T1] dwc2 JMIC0010:01: supply vusb_a not found, using dummy regulator [ 5.882335][ T1] dwc2 JMIC0010:01: before devm_request_irq irq: [71], gintmsk[0xf300080e], gintsts[0x04200009] [ 5.892686][ C0] CPU: 0 PID: 1 Comm: swapper/0 Not tainted 5.10.0-jmnd1.2_RC #18 [ 5.900327][ C0] Hardware name: CMSS HyperCard4-25G/HyperCard4-25G, BIOS 1.6.4 Jul 8 2024 [ 5.908836][ C0] Call trace: [ 5.911965][ C0] dump_backtrace+0x0/0x1f0 [ 5.916308][ C0] show_stack+0x20/0x30 [ 5.920304][ C0] dump_stack+0xd8/0x140 [ 5.924387][ C0] pcie_xxx_handler+0x3c/0x1d8 [ 5.930121][ C0] __handle_irq_event_percpu+0x64/0x1e0 [ 5.935506][ C0] handle_irq_event+0x80/0x1d0 [ 5.940109][ C0] try_one_irq+0x138/0x174 [ 5.944365][ C0] misrouted_irq+0x134/0x140 [ 5.948795][ C0] note_interrupt+0x1d0/0x30c [ 5.953311][ C0] handle_irq_event+0x13c/0x1d0 [ 5.958001][ C0] handle_fasteoi_irq+0xd4/0x260 [ 5.962779][ C0] __handle_domain_irq+0x88/0xf0 [ 5.967555][ C0] gic_handle_irq+0x9c/0x2f0 [ 5.971985][ C0] el1_irq+0xb8/0x140 [ 5.975807][ C0] __setup_irq+0x3dc/0x7cc [ 5.980064][ C0] request_threaded_irq+0xf4/0x1b4 [ 5.985015][ C0] devm_request_threaded_irq+0x80/0x100 [ 5.990400][ C0] dwc2_driver_probe+0x1b8/0x6b0 [ 5.995178][ C0] platform_drv_probe+0x5c/0xb0 [ 5.999868][ C0] really_probe+0xf8/0x51c [ 6.004125][ C0] driver_probe_device+0xfc/0x170 [ 6.008989][ C0] device_driver_attach+0xc8/0xd0 [ 6.013853][ C0] __driver_attach+0xe8/0x1b0 [ 6.018369][ C0] bus_for_each_dev+0x7c/0xdc [ 6.022886][ C0] driver_attach+0x2c/0x3c [ 6.027143][ C0] bus_add_driver+0xdc/0x240 [ 6.031573][ C0] driver_register+0x80/0x13c [ 6.036090][ C0] __platform_driver_register+0x50/0x5c [ 6.041476][ C0] dwc2_platform_driver_init+0x24/0x30 [ 6.046774][ C0] do_one_initcall+0x50/0x25c [ 6.051291][ C0] do_initcall_level+0xe4/0xfc [ 6.055894][ C0] do_initcalls+0x80/0xa4 [ 6.060064][ C0] kernel_init_freeable+0x198/0x240 [ 6.065102][ C0] kernel_init+0x1c/0x12c Signed-off-by: Shawn Shao Link: https://lore.kernel.org/r/20240830031709.134-1-shawn.shao@jaguarmicro.com Signed-off-by: Greg Kroah-Hartman Signed-off-by: Sasha Levin --- drivers/usb/dwc2/platform.c | 26 ++++++++++++++------------ 1 file changed, 14 insertions(+), 12 deletions(-) diff --git a/drivers/usb/dwc2/platform.c b/drivers/usb/dwc2/platform.c index 9d0dd09a2015..f421650cfa03 100644 --- a/drivers/usb/dwc2/platform.c +++ b/drivers/usb/dwc2/platform.c @@ -441,18 +441,6 @@ static int dwc2_driver_probe(struct platform_device *dev) spin_lock_init(&hsotg->lock); - hsotg->irq = platform_get_irq(dev, 0); - if (hsotg->irq < 0) - return hsotg->irq; - - dev_dbg(hsotg->dev, "registering common handler for irq%d\n", - hsotg->irq); - retval = devm_request_irq(hsotg->dev, hsotg->irq, - dwc2_handle_common_intr, IRQF_SHARED, - dev_name(hsotg->dev), hsotg); - if (retval) - return retval; - hsotg->vbus_supply = devm_regulator_get_optional(hsotg->dev, "vbus"); if (IS_ERR(hsotg->vbus_supply)) { retval = PTR_ERR(hsotg->vbus_supply); @@ -496,6 +484,20 @@ static int dwc2_driver_probe(struct platform_device *dev) if (retval) goto error; + hsotg->irq = platform_get_irq(dev, 0); + if (hsotg->irq < 0) { + retval = hsotg->irq; + goto error; + } + + dev_dbg(hsotg->dev, "registering common handler for irq%d\n", + hsotg->irq); + retval = devm_request_irq(hsotg->dev, hsotg->irq, + dwc2_handle_common_intr, IRQF_SHARED, + dev_name(hsotg->dev), hsotg); + if (retval) + goto error; + /* * For OTG cores, set the force mode bits to reflect the value * of dr_mode. Force mode bits should not be touched at any From 4ce662fe4be6fbc2595d9ef4888b2b6e778c99ed Mon Sep 17 00:00:00 2001 From: Philip Chen Date: Mon, 26 Aug 2024 21:53:13 +0000 Subject: [PATCH 466/649] virtio_pmem: Check device status before requesting flush [ Upstream commit e25fbcd97cf52c3c9824d44b5c56c19673c3dd50 ] If a pmem device is in a bad status, the driver side could wait for host ack forever in virtio_pmem_flush(), causing the system to hang. So add a status check in the beginning of virtio_pmem_flush() to return early if the device is not activated. Signed-off-by: Philip Chen Message-Id: <20240826215313.2673566-1-philipchen@chromium.org> Signed-off-by: Michael S. Tsirkin Acked-by: Pankaj Gupta --- drivers/nvdimm/nd_virtio.c | 9 +++++++++ 1 file changed, 9 insertions(+) diff --git a/drivers/nvdimm/nd_virtio.c b/drivers/nvdimm/nd_virtio.c index 10351d5b49fa..41e97c6567cf 100644 --- a/drivers/nvdimm/nd_virtio.c +++ b/drivers/nvdimm/nd_virtio.c @@ -44,6 +44,15 @@ static int virtio_pmem_flush(struct nd_region *nd_region) unsigned long flags; int err, err1; + /* + * Don't bother to submit the request to the device if the device is + * not activated. + */ + if (vdev->config->get_status(vdev) & VIRTIO_CONFIG_S_NEEDS_RESET) { + dev_info(&vdev->dev, "virtio pmem device needs a reset\n"); + return -EIO; + } + might_sleep(); req_data = kmalloc(sizeof(*req_data), GFP_KERNEL); if (!req_data) From d8ac7378bc7908f78a1206890a475f9309186eff Mon Sep 17 00:00:00 2001 From: Zhu Jun Date: Wed, 28 Aug 2024 02:31:29 -0700 Subject: [PATCH 467/649] tools/iio: Add memory allocation failure check for trigger_name [ Upstream commit 3c6b818b097dd6932859bcc3d6722a74ec5931c1 ] Added a check to handle memory allocation failure for `trigger_name` and return `-ENOMEM`. Signed-off-by: Zhu Jun Link: https://patch.msgid.link/20240828093129.3040-1-zhujun2@cmss.chinamobile.com Signed-off-by: Jonathan Cameron Signed-off-by: Sasha Levin --- tools/iio/iio_generic_buffer.c | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/tools/iio/iio_generic_buffer.c b/tools/iio/iio_generic_buffer.c index 2fd10eab75b5..5ef09ac6e7cf 100644 --- a/tools/iio/iio_generic_buffer.c +++ b/tools/iio/iio_generic_buffer.c @@ -479,6 +479,10 @@ int main(int argc, char **argv) return -ENOMEM; } trigger_name = malloc(IIO_MAX_NAME_LENGTH); + if (!trigger_name) { + ret = -ENOMEM; + goto error; + } ret = read_sysfs_string("name", trig_dev_name, trigger_name); free(trig_dev_name); if (ret < 0) { From 56452dbc0a2cfa820c08e8d1dc9c38a7879023eb Mon Sep 17 00:00:00 2001 From: Zijun Hu Date: Wed, 24 Jul 2024 21:54:48 +0800 Subject: [PATCH 468/649] driver core: bus: Return -EIO instead of 0 when show/store invalid bus attribute [ Upstream commit c0fd973c108cdc22a384854bc4b3e288a9717bb2 ] Return -EIO instead of 0 for below erroneous bus attribute operations: - read a bus attribute without show(). - write a bus attribute without store(). Signed-off-by: Zijun Hu Link: https://lore.kernel.org/r/20240724-bus_fix-v2-1-5adbafc698fb@quicinc.com Signed-off-by: Greg Kroah-Hartman Signed-off-by: Sasha Levin --- drivers/base/bus.c | 6 ++++-- 1 file changed, 4 insertions(+), 2 deletions(-) diff --git a/drivers/base/bus.c b/drivers/base/bus.c index df85e928b97f..47ab755aee94 100644 --- a/drivers/base/bus.c +++ b/drivers/base/bus.c @@ -104,7 +104,8 @@ static ssize_t bus_attr_show(struct kobject *kobj, struct attribute *attr, { struct bus_attribute *bus_attr = to_bus_attr(attr); struct subsys_private *subsys_priv = to_subsys_private(kobj); - ssize_t ret = 0; + /* return -EIO for reading a bus attribute without show() */ + ssize_t ret = -EIO; if (bus_attr->show) ret = bus_attr->show(subsys_priv->bus, buf); @@ -116,7 +117,8 @@ static ssize_t bus_attr_store(struct kobject *kobj, struct attribute *attr, { struct bus_attribute *bus_attr = to_bus_attr(attr); struct subsys_private *subsys_priv = to_subsys_private(kobj); - ssize_t ret = 0; + /* return -EIO for writing a bus attribute without store() */ + ssize_t ret = -EIO; if (bus_attr->store) ret = bus_attr->store(subsys_priv->bus, buf, count); From f4149eec960110ffd5bcb161075dd9f1d7773075 Mon Sep 17 00:00:00 2001 From: Alex Hung Date: Thu, 29 Aug 2024 17:30:26 -0600 Subject: [PATCH 469/649] drm/amd/display: Check null pointer before dereferencing se [ Upstream commit ff599ef6970ee000fa5bc38d02fa5ff5f3fc7575 ] [WHAT & HOW] se is null checked previously in the same function, indicating it might be null; therefore, it must be checked when used again. This fixes 1 FORWARD_NULL issue reported by Coverity. Acked-by: Alex Hung Reviewed-by: Rodrigo Siqueira Signed-off-by: Alex Hung Tested-by: Daniel Wheeler Signed-off-by: Alex Deucher Signed-off-by: Sasha Levin --- drivers/gpu/drm/amd/display/dc/core/dc.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/gpu/drm/amd/display/dc/core/dc.c b/drivers/gpu/drm/amd/display/dc/core/dc.c index 661907e8a7de..84fb1377ec93 100644 --- a/drivers/gpu/drm/amd/display/dc/core/dc.c +++ b/drivers/gpu/drm/amd/display/dc/core/dc.c @@ -1258,7 +1258,7 @@ bool dc_validate_seamless_boot_timing(const struct dc *dc, if (crtc_timing->pix_clk_100hz != pix_clk_100hz) return false; - if (!se->funcs->dp_get_pixel_format) + if (!se || !se->funcs->dp_get_pixel_format) return false; if (!se->funcs->dp_get_pixel_format( From 252f147b1826cbb30ae0304cf86b66d3bb12b743 Mon Sep 17 00:00:00 2001 From: Andrey Shumilin Date: Fri, 27 Sep 2024 22:34:24 +0300 Subject: [PATCH 470/649] fbdev: sisfb: Fix strbuf array overflow [ Upstream commit 9cf14f5a2746c19455ce9cb44341b5527b5e19c3 ] The values of the variables xres and yres are placed in strbuf. These variables are obtained from strbuf1. The strbuf1 array contains digit characters and a space if the array contains non-digit characters. Then, when executing sprintf(strbuf, "%ux%ux8", xres, yres); more than 16 bytes will be written to strbuf. It is suggested to increase the size of the strbuf array to 24. Found by Linux Verification Center (linuxtesting.org) with SVACE. Signed-off-by: Andrey Shumilin Signed-off-by: Helge Deller Signed-off-by: Sasha Levin --- drivers/video/fbdev/sis/sis_main.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/video/fbdev/sis/sis_main.c b/drivers/video/fbdev/sis/sis_main.c index e540cb0c5172..7787fd21932c 100644 --- a/drivers/video/fbdev/sis/sis_main.c +++ b/drivers/video/fbdev/sis/sis_main.c @@ -183,7 +183,7 @@ static void sisfb_search_mode(char *name, bool quiet) { unsigned int j = 0, xres = 0, yres = 0, depth = 0, rate = 0; int i = 0; - char strbuf[16], strbuf1[20]; + char strbuf[24], strbuf1[20]; char *nameptr = name; /* We don't know the hardware specs yet and there is no ivideo */ From de5a059e36657442b5637cc16df5163e435b9cb4 Mon Sep 17 00:00:00 2001 From: Bob Pearson Date: Fri, 29 Mar 2024 09:55:04 -0500 Subject: [PATCH 471/649] RDMA/rxe: Fix seg fault in rxe_comp_queue_pkt commit 2b23b6097303ed0ba5f4bc036a1c07b6027af5c6 upstream. In rxe_comp_queue_pkt() an incoming response packet skb is enqueued to the resp_pkts queue and then a decision is made whether to run the completer task inline or schedule it. Finally the skb is dereferenced to bump a 'hw' performance counter. This is wrong because if the completer task is already running in a separate thread it may have already processed the skb and freed it which can cause a seg fault. This has been observed infrequently in testing at high scale. This patch fixes this by changing the order of enqueuing the packet until after the counter is accessed. Link: https://lore.kernel.org/r/20240329145513.35381-4-rpearsonhpe@gmail.com Signed-off-by: Bob Pearson Fixes: 0b1e5b99a48b ("IB/rxe: Add port protocol stats") Signed-off-by: Jason Gunthorpe [Sherry: bp to fix CVE-2024-38544. Fix conflict due to missing commit: dccb23f6c312 ("RDMA/rxe: Split rxe_run_task() into two subroutines") which is not necessary to backport] Signed-off-by: Sherry Yang Signed-off-by: Greg Kroah-Hartman --- drivers/infiniband/sw/rxe/rxe_comp.c | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) diff --git a/drivers/infiniband/sw/rxe/rxe_comp.c b/drivers/infiniband/sw/rxe/rxe_comp.c index 0a1e6393250b..a54d80004342 100644 --- a/drivers/infiniband/sw/rxe/rxe_comp.c +++ b/drivers/infiniband/sw/rxe/rxe_comp.c @@ -123,12 +123,12 @@ void rxe_comp_queue_pkt(struct rxe_qp *qp, struct sk_buff *skb) { int must_sched; - skb_queue_tail(&qp->resp_pkts, skb); - - must_sched = skb_queue_len(&qp->resp_pkts) > 1; + must_sched = skb_queue_len(&qp->resp_pkts) > 0; if (must_sched != 0) rxe_counter_inc(SKB_TO_PKT(skb)->rxe, RXE_CNT_COMPLETER_SCHED); + skb_queue_tail(&qp->resp_pkts, skb); + rxe_run_task(&qp->comp.task, must_sched); } From 993ce09fe622866d2126839ebf5875b6175f9f7f Mon Sep 17 00:00:00 2001 From: Chuck Lever Date: Sat, 21 Sep 2024 14:25:37 -0400 Subject: [PATCH 472/649] NFSD: Mark filecache "down" if init fails [ Upstream commit dc0d0f885aa422f621bc1c2124133eff566b0bc8 ] NeilBrown says: > The handling of NFSD_FILE_CACHE_UP is strange. nfsd_file_cache_init() > sets it, but doesn't clear it on failure. So if nfsd_file_cache_init() > fails for some reason, nfsd_file_cache_shutdown() would still try to > clean up if it was called. Reported-by: NeilBrown Fixes: c7b824c3d06c ("NFSD: Replace the "init once" mechanism") Signed-off-by: Chuck Lever Signed-off-by: Sasha Levin --- fs/nfsd/filecache.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/fs/nfsd/filecache.c b/fs/nfsd/filecache.c index 31169f0cc3d7..585163b4e11c 100644 --- a/fs/nfsd/filecache.c +++ b/fs/nfsd/filecache.c @@ -717,7 +717,7 @@ nfsd_file_cache_init(void) ret = rhltable_init(&nfsd_file_rhltable, &nfsd_file_rhash_params); if (ret) - return ret; + goto out; ret = -ENOMEM; nfsd_filecache_wq = alloc_workqueue("nfsd_filecache", 0, 0); @@ -769,6 +769,8 @@ nfsd_file_cache_init(void) INIT_DELAYED_WORK(&nfsd_filecache_laundrette, nfsd_file_gc_worker); out: + if (ret) + clear_bit(NFSD_FILE_CACHE_UP, &nfsd_file_flags); return ret; out_notifier: lease_unregister_notifier(&nfsd_file_lease_notifier); From 1fc13f6a41665217480b977f31cdddc47646a3c5 Mon Sep 17 00:00:00 2001 From: Dave Ertman Date: Wed, 18 Sep 2024 14:02:56 -0400 Subject: [PATCH 473/649] ice: fix VLAN replay after reset [ Upstream commit 0eae2c136cb624e4050092feb59f18159b4f2512 ] There is a bug currently when there are more than one VLAN defined and any reset that affects the PF is initiated, after the reset rebuild no traffic will pass on any VLAN but the last one created. This is caused by the iteration though the VLANs during replay each clearing the vsi_map bitmap of the VSI that is being replayed. The problem is that during rhe replay, the pointer to the vsi_map bitmap is used by each successive vlan to determine if it should be replayed on this VSI. The logic was that the replay of the VLAN would replace the bit in the map before the next VLAN would iterate through. But, since the replay copies the old bitmap pointer to filt_replay_rules and creates a new one for the recreated VLANS, it does not do this, and leaves the old bitmap broken to be used to replay the remaining VLANs. Since the old bitmap will be cleaned up in post replay cleanup, there is no need to alter it and break following VLAN replay, so don't clear the bit. Fixes: 334cb0626de1 ("ice: Implement VSI replay framework") Reviewed-by: Przemek Kitszel Signed-off-by: Dave Ertman Reviewed-by: Jacob Keller Tested-by: Pucha Himasekhar Reddy (A Contingent worker at Intel) Signed-off-by: Tony Nguyen Signed-off-by: Sasha Levin --- drivers/net/ethernet/intel/ice/ice_switch.c | 2 -- 1 file changed, 2 deletions(-) diff --git a/drivers/net/ethernet/intel/ice/ice_switch.c b/drivers/net/ethernet/intel/ice/ice_switch.c index 1645fb527fdb..68d756e86ca1 100644 --- a/drivers/net/ethernet/intel/ice/ice_switch.c +++ b/drivers/net/ethernet/intel/ice/ice_switch.c @@ -2789,8 +2789,6 @@ ice_replay_vsi_fltr(struct ice_hw *hw, u16 vsi_handle, u8 recp_id, if (!itr->vsi_list_info || !test_bit(vsi_handle, itr->vsi_list_info->vsi_map)) continue; - /* Clearing it so that the logic can add it back */ - clear_bit(vsi_handle, itr->vsi_list_info->vsi_map); f_entry.fltr_info.vsi_handle = vsi_handle; f_entry.fltr_info.fltr_act = ICE_FWD_TO_VSI; /* update the src in case it is VSI num */ From 64f1b4922b6e042473e4980a06a2d908bdb6943f Mon Sep 17 00:00:00 2001 From: Dan Carpenter Date: Thu, 19 Sep 2024 11:50:33 +0300 Subject: [PATCH 474/649] SUNRPC: Fix integer overflow in decode_rc_list() [ Upstream commit 6dbf1f341b6b35bcc20ff95b6b315e509f6c5369 ] The math in "rc_list->rcl_nrefcalls * 2 * sizeof(uint32_t)" could have an integer overflow. Add bounds checking on rc_list->rcl_nrefcalls to fix that. Fixes: 4aece6a19cf7 ("nfs41: cb_sequence xdr implementation") Signed-off-by: Dan Carpenter Signed-off-by: Anna Schumaker Signed-off-by: Sasha Levin --- fs/nfs/callback_xdr.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/fs/nfs/callback_xdr.c b/fs/nfs/callback_xdr.c index db69fc267c9a..c8f5a0555ad2 100644 --- a/fs/nfs/callback_xdr.c +++ b/fs/nfs/callback_xdr.c @@ -372,6 +372,8 @@ static __be32 decode_rc_list(struct xdr_stream *xdr, rc_list->rcl_nrefcalls = ntohl(*p++); if (rc_list->rcl_nrefcalls) { + if (unlikely(rc_list->rcl_nrefcalls > xdr->buf->len)) + goto out; p = xdr_inline_decode(xdr, rc_list->rcl_nrefcalls * 2 * sizeof(uint32_t)); if (unlikely(p == NULL)) From fe238ddf857692af118b4f31cf1776a1a2f09edc Mon Sep 17 00:00:00 2001 From: Neal Cardwell Date: Tue, 1 Oct 2024 20:05:15 +0000 Subject: [PATCH 475/649] tcp: fix to allow timestamp undo if no retransmits were sent [ Upstream commit e37ab7373696e650d3b6262a5b882aadad69bb9e ] Fix the TCP loss recovery undo logic in tcp_packet_delayed() so that it can trigger undo even if TSQ prevents a fast recovery episode from reaching tcp_retransmit_skb(). Geumhwan Yu recently reported that after this commit from 2019: commit bc9f38c8328e ("tcp: avoid unconditional congestion window undo on SYN retransmit") ...and before this fix we could have buggy scenarios like the following: + Due to reordering, a TCP connection receives some SACKs and enters a spurious fast recovery. + TSQ prevents all invocations of tcp_retransmit_skb(), because many skbs are queued in lower layers of the sending machine's network stack; thus tp->retrans_stamp remains 0. + The connection receives a TCP timestamp ECR value echoing a timestamp before the fast recovery, indicating that the fast recovery was spurious. + The connection fails to undo the spurious fast recovery because tp->retrans_stamp is 0, and thus tcp_packet_delayed() returns false, due to the new logic in the 2019 commit: commit bc9f38c8328e ("tcp: avoid unconditional congestion window undo on SYN retransmit") This fix tweaks the logic to be more similar to the tcp_packet_delayed() logic before bc9f38c8328e, except that we take care not to be fooled by the FLAG_SYN_ACKED code path zeroing out tp->retrans_stamp (the bug noted and fixed by Yuchung in bc9f38c8328e). Note that this returns the high-level behavior of tcp_packet_delayed() to again match the comment for the function, which says: "Nothing was retransmitted or returned timestamp is less than timestamp of the first retransmission." Note that this comment is in the original 2005-04-16 Linux git commit, so this is evidently long-standing behavior. Fixes: bc9f38c8328e ("tcp: avoid unconditional congestion window undo on SYN retransmit") Reported-by: Geumhwan Yu Diagnosed-by: Geumhwan Yu Signed-off-by: Neal Cardwell Signed-off-by: Yuchung Cheng Signed-off-by: Eric Dumazet Link: https://patch.msgid.link/20241001200517.2756803-2-ncardwell.sw@gmail.com Signed-off-by: Jakub Kicinski Signed-off-by: Sasha Levin --- net/ipv4/tcp_input.c | 18 ++++++++++++++++-- 1 file changed, 16 insertions(+), 2 deletions(-) diff --git a/net/ipv4/tcp_input.c b/net/ipv4/tcp_input.c index 06c03b21500f..93756b153580 100644 --- a/net/ipv4/tcp_input.c +++ b/net/ipv4/tcp_input.c @@ -2423,8 +2423,22 @@ static bool tcp_skb_spurious_retrans(const struct tcp_sock *tp, */ static inline bool tcp_packet_delayed(const struct tcp_sock *tp) { - return tp->retrans_stamp && - tcp_tsopt_ecr_before(tp, tp->retrans_stamp); + const struct sock *sk = (const struct sock *)tp; + + if (tp->retrans_stamp && + tcp_tsopt_ecr_before(tp, tp->retrans_stamp)) + return true; /* got echoed TS before first retransmission */ + + /* Check if nothing was retransmitted (retrans_stamp==0), which may + * happen in fast recovery due to TSQ. But we ignore zero retrans_stamp + * in TCP_SYN_SENT, since when we set FLAG_SYN_ACKED we also clear + * retrans_stamp even if we had retransmitted the SYN. + */ + if (!tp->retrans_stamp && /* no record of a retransmit/SYN? */ + sk->sk_state != TCP_SYN_SENT) /* not the FLAG_SYN_ACKED case? */ + return true; /* nothing was retransmitted */ + + return false; } /* Undo procedures. */ From f892165c564e3aab272948dbb556cc20e290c55a Mon Sep 17 00:00:00 2001 From: Yanjun Zhang Date: Tue, 1 Oct 2024 16:39:30 +0800 Subject: [PATCH 476/649] NFSv4: Prevent NULL-pointer dereference in nfs42_complete_copies() [ Upstream commit a848c29e3486189aaabd5663bc11aea50c5bd144 ] On the node of an NFS client, some files saved in the mountpoint of the NFS server were copied to another location of the same NFS server. Accidentally, the nfs42_complete_copies() got a NULL-pointer dereference crash with the following syslog: [232064.838881] NFSv4: state recovery failed for open file nfs/pvc-12b5200d-cd0f-46a3-b9f0-af8f4fe0ef64.qcow2, error = -116 [232064.839360] NFSv4: state recovery failed for open file nfs/pvc-12b5200d-cd0f-46a3-b9f0-af8f4fe0ef64.qcow2, error = -116 [232066.588183] Unable to handle kernel NULL pointer dereference at virtual address 0000000000000058 [232066.588586] Mem abort info: [232066.588701] ESR = 0x0000000096000007 [232066.588862] EC = 0x25: DABT (current EL), IL = 32 bits [232066.589084] SET = 0, FnV = 0 [232066.589216] EA = 0, S1PTW = 0 [232066.589340] FSC = 0x07: level 3 translation fault [232066.589559] Data abort info: [232066.589683] ISV = 0, ISS = 0x00000007 [232066.589842] CM = 0, WnR = 0 [232066.589967] user pgtable: 64k pages, 48-bit VAs, pgdp=00002000956ff400 [232066.590231] [0000000000000058] pgd=08001100ae100003, p4d=08001100ae100003, pud=08001100ae100003, pmd=08001100b3c00003, pte=0000000000000000 [232066.590757] Internal error: Oops: 96000007 [#1] SMP [232066.590958] Modules linked in: rpcsec_gss_krb5 auth_rpcgss nfsv4 dns_resolver nfs lockd grace fscache netfs ocfs2_dlmfs ocfs2_stack_o2cb ocfs2_dlm vhost_net vhost vhost_iotlb tap tun ipt_rpfilter xt_multiport ip_set_hash_ip ip_set_hash_net xfrm_interface xfrm6_tunnel tunnel4 tunnel6 esp4 ah4 wireguard libcurve25519_generic veth xt_addrtype xt_set nf_conntrack_netlink ip_set_hash_ipportnet ip_set_hash_ipportip ip_set_bitmap_port ip_set_hash_ipport dummy ip_set ip_vs_sh ip_vs_wrr ip_vs_rr ip_vs iptable_filter sch_ingress nfnetlink_cttimeout vport_gre ip_gre ip_tunnel gre vport_geneve geneve vport_vxlan vxlan ip6_udp_tunnel udp_tunnel openvswitch nf_conncount dm_round_robin dm_service_time dm_multipath xt_nat xt_MASQUERADE nft_chain_nat nf_nat xt_mark xt_conntrack xt_comment nft_compat nft_counter nf_tables nfnetlink ocfs2 ocfs2_nodemanager ocfs2_stackglue iscsi_tcp libiscsi_tcp libiscsi scsi_transport_iscsi ipmi_ssif nbd overlay 8021q garp mrp bonding tls rfkill sunrpc ext4 mbcache jbd2 [232066.591052] vfat fat cas_cache cas_disk ses enclosure scsi_transport_sas sg acpi_ipmi ipmi_si ipmi_devintf ipmi_msghandler ip_tables vfio_pci vfio_pci_core vfio_virqfd vfio_iommu_type1 vfio dm_mirror dm_region_hash dm_log dm_mod nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 br_netfilter bridge stp llc fuse xfs libcrc32c ast drm_vram_helper qla2xxx drm_kms_helper syscopyarea crct10dif_ce sysfillrect ghash_ce sysimgblt sha2_ce fb_sys_fops cec sha256_arm64 sha1_ce drm_ttm_helper ttm nvme_fc igb sbsa_gwdt nvme_fabrics drm nvme_core i2c_algo_bit i40e scsi_transport_fc megaraid_sas aes_neon_bs [232066.596953] CPU: 6 PID: 4124696 Comm: 10.253.166.125- Kdump: loaded Not tainted 5.15.131-9.cl9_ocfs2.aarch64 #1 [232066.597356] Hardware name: Great Wall .\x93\x8e...RF6260 V5/GWMSSE2GL1T, BIOS T656FBE_V3.0.18 2024-01-06 [232066.597721] pstate: 20400009 (nzCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) [232066.598034] pc : nfs4_reclaim_open_state+0x220/0x800 [nfsv4] [232066.598327] lr : nfs4_reclaim_open_state+0x12c/0x800 [nfsv4] [232066.598595] sp : ffff8000f568fc70 [232066.598731] x29: ffff8000f568fc70 x28: 0000000000001000 x27: ffff21003db33000 [232066.599030] x26: ffff800005521ae0 x25: ffff0100f98fa3f0 x24: 0000000000000001 [232066.599319] x23: ffff800009920008 x22: ffff21003db33040 x21: ffff21003db33050 [232066.599628] x20: ffff410172fe9e40 x19: ffff410172fe9e00 x18: 0000000000000000 [232066.599914] x17: 0000000000000000 x16: 0000000000000004 x15: 0000000000000000 [232066.600195] x14: 0000000000000000 x13: ffff800008e685a8 x12: 00000000eac0c6e6 [232066.600498] x11: 0000000000000000 x10: 0000000000000008 x9 : ffff8000054e5828 [232066.600784] x8 : 00000000ffffffbf x7 : 0000000000000001 x6 : 000000000a9eb14a [232066.601062] x5 : 0000000000000000 x4 : ffff70ff8a14a800 x3 : 0000000000000058 [232066.601348] x2 : 0000000000000001 x1 : 54dce46366daa6c6 x0 : 0000000000000000 [232066.601636] Call trace: [232066.601749] nfs4_reclaim_open_state+0x220/0x800 [nfsv4] [232066.601998] nfs4_do_reclaim+0x1b8/0x28c [nfsv4] [232066.602218] nfs4_state_manager+0x928/0x10f0 [nfsv4] [232066.602455] nfs4_run_state_manager+0x78/0x1b0 [nfsv4] [232066.602690] kthread+0x110/0x114 [232066.602830] ret_from_fork+0x10/0x20 [232066.602985] Code: 1400000d f9403f20 f9402e61 91016003 (f9402c00) [232066.603284] SMP: stopping secondary CPUs [232066.606936] Starting crashdump kernel... [232066.607146] Bye! Analysing the vmcore, we know that nfs4_copy_state listed by destination nfs_server->ss_copies was added by the field copies in handle_async_copy(), and we found a waiting copy process with the stack as: PID: 3511963 TASK: ffff710028b47e00 CPU: 0 COMMAND: "cp" #0 [ffff8001116ef740] __switch_to at ffff8000081b92f4 #1 [ffff8001116ef760] __schedule at ffff800008dd0650 #2 [ffff8001116ef7c0] schedule at ffff800008dd0a00 #3 [ffff8001116ef7e0] schedule_timeout at ffff800008dd6aa0 #4 [ffff8001116ef860] __wait_for_common at ffff800008dd166c #5 [ffff8001116ef8e0] wait_for_completion_interruptible at ffff800008dd1898 #6 [ffff8001116ef8f0] handle_async_copy at ffff8000055142f4 [nfsv4] #7 [ffff8001116ef970] _nfs42_proc_copy at ffff8000055147c8 [nfsv4] #8 [ffff8001116efa80] nfs42_proc_copy at ffff800005514cf0 [nfsv4] #9 [ffff8001116efc50] __nfs4_copy_file_range.constprop.0 at ffff8000054ed694 [nfsv4] The NULL-pointer dereference was due to nfs42_complete_copies() listed the nfs_server->ss_copies by the field ss_copies of nfs4_copy_state. So the nfs4_copy_state address ffff0100f98fa3f0 was offset by 0x10 and the data accessed through this pointer was also incorrect. Generally, the ordered list nfs4_state_owner->so_states indicate open(O_RDWR) or open(O_WRITE) states are reclaimed firstly by nfs4_reclaim_open_state(). When destination state reclaim is failed with NFS_STATE_RECOVERY_FAILED and copies are not deleted in nfs_server->ss_copies, the source state may be passed to the nfs42_complete_copies() process earlier, resulting in this crash scene finally. To solve this issue, we add a list_head nfs_server->ss_src_copies for a server-to-server copy specially. Fixes: 0e65a32c8a56 ("NFS: handle source server reboot") Signed-off-by: Yanjun Zhang Reviewed-by: Trond Myklebust Signed-off-by: Anna Schumaker Signed-off-by: Sasha Levin --- fs/nfs/client.c | 1 + fs/nfs/nfs42proc.c | 2 +- fs/nfs/nfs4state.c | 2 +- include/linux/nfs_fs_sb.h | 1 + 4 files changed, 4 insertions(+), 2 deletions(-) diff --git a/fs/nfs/client.c b/fs/nfs/client.c index 1437eb31dd03..6afb66b8855e 100644 --- a/fs/nfs/client.c +++ b/fs/nfs/client.c @@ -927,6 +927,7 @@ struct nfs_server *nfs_alloc_server(void) INIT_LIST_HEAD(&server->layouts); INIT_LIST_HEAD(&server->state_owners_lru); INIT_LIST_HEAD(&server->ss_copies); + INIT_LIST_HEAD(&server->ss_src_copies); atomic_set(&server->active, 0); diff --git a/fs/nfs/nfs42proc.c b/fs/nfs/nfs42proc.c index dfeea712014b..47aa721d0d83 100644 --- a/fs/nfs/nfs42proc.c +++ b/fs/nfs/nfs42proc.c @@ -210,7 +210,7 @@ static int handle_async_copy(struct nfs42_copy_res *res, if (dst_server != src_server) { spin_lock(&src_server->nfs_client->cl_lock); - list_add_tail(©->src_copies, &src_server->ss_copies); + list_add_tail(©->src_copies, &src_server->ss_src_copies); spin_unlock(&src_server->nfs_client->cl_lock); } diff --git a/fs/nfs/nfs4state.c b/fs/nfs/nfs4state.c index e5cdb700bbe7..807dd6f17e1b 100644 --- a/fs/nfs/nfs4state.c +++ b/fs/nfs/nfs4state.c @@ -1596,7 +1596,7 @@ static void nfs42_complete_copies(struct nfs4_state_owner *sp, struct nfs4_state complete(©->completion); } } - list_for_each_entry(copy, &sp->so_server->ss_copies, src_copies) { + list_for_each_entry(copy, &sp->so_server->ss_src_copies, src_copies) { if ((test_bit(NFS_CLNT_SRC_SSC_COPY_STATE, &state->flags) && !nfs4_stateid_match_other(&state->stateid, ©->parent_src_state->stateid))) diff --git a/include/linux/nfs_fs_sb.h b/include/linux/nfs_fs_sb.h index 38e60ec742df..cb2cb4d9c013 100644 --- a/include/linux/nfs_fs_sb.h +++ b/include/linux/nfs_fs_sb.h @@ -230,6 +230,7 @@ struct nfs_server { struct list_head layouts; struct list_head delegations; struct list_head ss_copies; + struct list_head ss_src_copies; unsigned long mig_gen; unsigned long mig_status; From 8a517d18454908f82bd75f3f66c0efd984d795f4 Mon Sep 17 00:00:00 2001 From: Neal Cardwell Date: Tue, 1 Oct 2024 20:05:16 +0000 Subject: [PATCH 477/649] tcp: fix tcp_enter_recovery() to zero retrans_stamp when it's safe [ Upstream commit b41b4cbd9655bcebcce941bef3601db8110335be ] Fix tcp_enter_recovery() so that if there are no retransmits out then we zero retrans_stamp when entering fast recovery. This is necessary to fix two buggy behaviors. Currently a non-zero retrans_stamp value can persist across multiple back-to-back loss recovery episodes. This is because we generally only clears retrans_stamp if we are completely done with loss recoveries, and get to tcp_try_to_open() and find !tcp_any_retrans_done(sk). This behavior causes two bugs: (1) When a loss recovery episode (CA_Loss or CA_Recovery) is followed immediately by a new CA_Recovery, the retrans_stamp value can persist and can be a time before this new CA_Recovery episode starts. That means that timestamp-based undo will be using the wrong retrans_stamp (a value that is too old) when comparing incoming TS ecr values to retrans_stamp to see if the current fast recovery episode can be undone. (2) If there is a roughly minutes-long sequence of back-to-back fast recovery episodes, one after another (e.g. in a shallow-buffered or policed bottleneck), where each fast recovery successfully makes forward progress and recovers one window of sequence space (but leaves at least one retransmit in flight at the end of the recovery), followed by several RTOs, then the ETIMEDOUT check may be using the wrong retrans_stamp (a value set at the start of the first fast recovery in the sequence). This can cause a very premature ETIMEDOUT, killing the connection prematurely. This commit changes the code to zero retrans_stamp when entering fast recovery, when this is known to be safe (no retransmits are out in the network). That ensures that when starting a fast recovery episode, and it is safe to do so, retrans_stamp is set when we send the fast retransmit packet. That addresses both bug (1) and bug (2) by ensuring that (if no retransmits are out when we start a fast recovery) we use the initial fast retransmit of this fast recovery as the time value for undo and ETIMEDOUT calculations. This makes intuitive sense, since the start of a new fast recovery episode (in a scenario where no lost packets are out in the network) means that the connection has made forward progress since the last RTO or fast recovery, and we should thus "restart the clock" used for both undo and ETIMEDOUT logic. Note that if when we start fast recovery there *are* retransmits out in the network, there can still be undesirable (1)/(2) issues. For example, after this patch we can still have the (1) and (2) problems in cases like this: + round 1: sender sends flight 1 + round 2: sender receives SACKs and enters fast recovery 1, retransmits some packets in flight 1 and then sends some new data as flight 2 + round 3: sender receives some SACKs for flight 2, notes losses, and retransmits some packets to fill the holes in flight 2 + fast recovery has some lost retransmits in flight 1 and continues for one or more rounds sending retransmits for flight 1 and flight 2 + fast recovery 1 completes when snd_una reaches high_seq at end of flight 1 + there are still holes in the SACK scoreboard in flight 2, so we enter fast recovery 2, but some retransmits in the flight 2 sequence range are still in flight (retrans_out > 0), so we can't execute the new retrans_stamp=0 added here to clear retrans_stamp It's not yet clear how to fix these remaining (1)/(2) issues in an efficient way without breaking undo behavior, given that retrans_stamp is currently used for undo and ETIMEDOUT. Perhaps the optimal (but expensive) strategy would be to set retrans_stamp to the timestamp of the earliest outstanding retransmit when entering fast recovery. But at least this commit makes things better. Note that this does not change the semantics of retrans_stamp; it simply makes retrans_stamp accurate in some cases where it was not before: (1) Some loss recovery, followed by an immediate entry into a fast recovery, where there are no retransmits out when entering the fast recovery. (2) When a TFO server has a SYNACK retransmit that sets retrans_stamp, and then the ACK that completes the 3-way handshake has SACK blocks that trigger a fast recovery. In this case when entering fast recovery we want to zero out the retrans_stamp from the TFO SYNACK retransmit, and set the retrans_stamp based on the timestamp of the fast recovery. We introduce a tcp_retrans_stamp_cleanup() helper, because this two-line sequence already appears in 3 places and is about to appear in 2 more as a result of this bug fix patch series. Once this bug fix patches series in the net branch makes it into the net-next branch we'll update the 3 other call sites to use the new helper. This is a long-standing issue. The Fixes tag below is chosen to be the oldest commit at which the patch will apply cleanly, which is from Linux v3.5 in 2012. Fixes: 1fbc340514fc ("tcp: early retransmit: tcp_enter_recovery()") Signed-off-by: Neal Cardwell Signed-off-by: Yuchung Cheng Signed-off-by: Eric Dumazet Link: https://patch.msgid.link/20241001200517.2756803-3-ncardwell.sw@gmail.com Signed-off-by: Jakub Kicinski Signed-off-by: Sasha Levin --- net/ipv4/tcp_input.c | 13 +++++++++++++ 1 file changed, 13 insertions(+) diff --git a/net/ipv4/tcp_input.c b/net/ipv4/tcp_input.c index 93756b153580..6b926c71b6f3 100644 --- a/net/ipv4/tcp_input.c +++ b/net/ipv4/tcp_input.c @@ -2472,6 +2472,16 @@ static bool tcp_any_retrans_done(const struct sock *sk) return false; } +/* If loss recovery is finished and there are no retransmits out in the + * network, then we clear retrans_stamp so that upon the next loss recovery + * retransmits_timed_out() and timestamp-undo are using the correct value. + */ +static void tcp_retrans_stamp_cleanup(struct sock *sk) +{ + if (!tcp_any_retrans_done(sk)) + tcp_sk(sk)->retrans_stamp = 0; +} + static void DBGUNDO(struct sock *sk, const char *msg) { #if FASTRETRANS_DEBUG > 1 @@ -2808,6 +2818,9 @@ void tcp_enter_recovery(struct sock *sk, bool ece_ack) struct tcp_sock *tp = tcp_sk(sk); int mib_idx; + /* Start the clock with our fast retransmit, for undo and ETIMEDOUT. */ + tcp_retrans_stamp_cleanup(sk); + if (tcp_is_reno(tp)) mib_idx = LINUX_MIB_TCPRENORECOVERY; else From 21b5af7f0c99b3bf1fd02016e6708b613acbcaf4 Mon Sep 17 00:00:00 2001 From: Ingo van Lil Date: Wed, 2 Oct 2024 18:18:07 +0200 Subject: [PATCH 478/649] net: phy: dp83869: fix memory corruption when enabling fiber [ Upstream commit a842e443ca8184f2dc82ab307b43a8b38defd6a5 ] When configuring the fiber port, the DP83869 PHY driver incorrectly calls linkmode_set_bit() with a bit mask (1 << 10) rather than a bit number (10). This corrupts some other memory location -- in case of arm64 the priv pointer in the same structure. Since the advertising flags are updated from supported at the end of the function the incorrect line isn't needed at all and can be removed. Fixes: a29de52ba2a1 ("net: dp83869: Add ability to advertise Fiber connection") Signed-off-by: Ingo van Lil Reviewed-by: Alexander Sverdlin Reviewed-by: Andrew Lunn Link: https://patch.msgid.link/20241002161807.440378-1-inguin@gmx.de Signed-off-by: Jakub Kicinski Signed-off-by: Sasha Levin --- drivers/net/phy/dp83869.c | 1 - 1 file changed, 1 deletion(-) diff --git a/drivers/net/phy/dp83869.c b/drivers/net/phy/dp83869.c index 65b69ff35e40..01b593e0bb4a 100644 --- a/drivers/net/phy/dp83869.c +++ b/drivers/net/phy/dp83869.c @@ -610,7 +610,6 @@ static int dp83869_configure_fiber(struct phy_device *phydev, phydev->supported); linkmode_set_bit(ETHTOOL_LINK_MODE_FIBRE_BIT, phydev->supported); - linkmode_set_bit(ADVERTISED_FIBRE, phydev->advertising); if (dp83869->mode == DP83869_RGMII_1000_BASE) { linkmode_set_bit(ETHTOOL_LINK_MODE_1000baseX_Full_BIT, From cce8419b8168f6e7eb637103a47f916f3de8bc81 Mon Sep 17 00:00:00 2001 From: Andy Roulin Date: Tue, 1 Oct 2024 08:43:59 -0700 Subject: [PATCH 479/649] netfilter: br_netfilter: fix panic with metadata_dst skb [ Upstream commit f9ff7665cd128012868098bbd07e28993e314fdb ] Fix a kernel panic in the br_netfilter module when sending untagged traffic via a VxLAN device. This happens during the check for fragmentation in br_nf_dev_queue_xmit. It is dependent on: 1) the br_netfilter module being loaded; 2) net.bridge.bridge-nf-call-iptables set to 1; 3) a bridge with a VxLAN (single-vxlan-device) netdevice as a bridge port; 4) untagged frames with size higher than the VxLAN MTU forwarded/flooded When forwarding the untagged packet to the VxLAN bridge port, before the netfilter hooks are called, br_handle_egress_vlan_tunnel is called and changes the skb_dst to the tunnel dst. The tunnel_dst is a metadata type of dst, i.e., skb_valid_dst(skb) is false, and metadata->dst.dev is NULL. Then in the br_netfilter hooks, in br_nf_dev_queue_xmit, there's a check for frames that needs to be fragmented: frames with higher MTU than the VxLAN device end up calling br_nf_ip_fragment, which in turns call ip_skb_dst_mtu. The ip_dst_mtu tries to use the skb_dst(skb) as if it was a valid dst with valid dst->dev, thus the crash. This case was never supported in the first place, so drop the packet instead. PING 10.0.0.2 (10.0.0.2) from 0.0.0.0 h1-eth0: 2000(2028) bytes of data. [ 176.291791] Unable to handle kernel NULL pointer dereference at virtual address 0000000000000110 [ 176.292101] Mem abort info: [ 176.292184] ESR = 0x0000000096000004 [ 176.292322] EC = 0x25: DABT (current EL), IL = 32 bits [ 176.292530] SET = 0, FnV = 0 [ 176.292709] EA = 0, S1PTW = 0 [ 176.292862] FSC = 0x04: level 0 translation fault [ 176.293013] Data abort info: [ 176.293104] ISV = 0, ISS = 0x00000004, ISS2 = 0x00000000 [ 176.293488] CM = 0, WnR = 0, TnD = 0, TagAccess = 0 [ 176.293787] GCS = 0, Overlay = 0, DirtyBit = 0, Xs = 0 [ 176.293995] user pgtable: 4k pages, 48-bit VAs, pgdp=0000000043ef5000 [ 176.294166] [0000000000000110] pgd=0000000000000000, p4d=0000000000000000 [ 176.294827] Internal error: Oops: 0000000096000004 [#1] PREEMPT SMP [ 176.295252] Modules linked in: vxlan ip6_udp_tunnel udp_tunnel veth br_netfilter bridge stp llc ipv6 crct10dif_ce [ 176.295923] CPU: 0 PID: 188 Comm: ping Not tainted 6.8.0-rc3-g5b3fbd61b9d1 #2 [ 176.296314] Hardware name: linux,dummy-virt (DT) [ 176.296535] pstate: 80000005 (Nzcv daif -PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 176.296808] pc : br_nf_dev_queue_xmit+0x390/0x4ec [br_netfilter] [ 176.297382] lr : br_nf_dev_queue_xmit+0x2ac/0x4ec [br_netfilter] [ 176.297636] sp : ffff800080003630 [ 176.297743] x29: ffff800080003630 x28: 0000000000000008 x27: ffff6828c49ad9f8 [ 176.298093] x26: ffff6828c49ad000 x25: 0000000000000000 x24: 00000000000003e8 [ 176.298430] x23: 0000000000000000 x22: ffff6828c4960b40 x21: ffff6828c3b16d28 [ 176.298652] x20: ffff6828c3167048 x19: ffff6828c3b16d00 x18: 0000000000000014 [ 176.298926] x17: ffffb0476322f000 x16: ffffb7e164023730 x15: 0000000095744632 [ 176.299296] x14: ffff6828c3f1c880 x13: 0000000000000002 x12: ffffb7e137926a70 [ 176.299574] x11: 0000000000000001 x10: ffff6828c3f1c898 x9 : 0000000000000000 [ 176.300049] x8 : ffff6828c49bf070 x7 : 0008460f18d5f20e x6 : f20e0100bebafeca [ 176.300302] x5 : ffff6828c7f918fe x4 : ffff6828c49bf070 x3 : 0000000000000000 [ 176.300586] x2 : 0000000000000000 x1 : ffff6828c3c7ad00 x0 : ffff6828c7f918f0 [ 176.300889] Call trace: [ 176.301123] br_nf_dev_queue_xmit+0x390/0x4ec [br_netfilter] [ 176.301411] br_nf_post_routing+0x2a8/0x3e4 [br_netfilter] [ 176.301703] nf_hook_slow+0x48/0x124 [ 176.302060] br_forward_finish+0xc8/0xe8 [bridge] [ 176.302371] br_nf_hook_thresh+0x124/0x134 [br_netfilter] [ 176.302605] br_nf_forward_finish+0x118/0x22c [br_netfilter] [ 176.302824] br_nf_forward_ip.part.0+0x264/0x290 [br_netfilter] [ 176.303136] br_nf_forward+0x2b8/0x4e0 [br_netfilter] [ 176.303359] nf_hook_slow+0x48/0x124 [ 176.303803] __br_forward+0xc4/0x194 [bridge] [ 176.304013] br_flood+0xd4/0x168 [bridge] [ 176.304300] br_handle_frame_finish+0x1d4/0x5c4 [bridge] [ 176.304536] br_nf_hook_thresh+0x124/0x134 [br_netfilter] [ 176.304978] br_nf_pre_routing_finish+0x29c/0x494 [br_netfilter] [ 176.305188] br_nf_pre_routing+0x250/0x524 [br_netfilter] [ 176.305428] br_handle_frame+0x244/0x3cc [bridge] [ 176.305695] __netif_receive_skb_core.constprop.0+0x33c/0xecc [ 176.306080] __netif_receive_skb_one_core+0x40/0x8c [ 176.306197] __netif_receive_skb+0x18/0x64 [ 176.306369] process_backlog+0x80/0x124 [ 176.306540] __napi_poll+0x38/0x17c [ 176.306636] net_rx_action+0x124/0x26c [ 176.306758] __do_softirq+0x100/0x26c [ 176.307051] ____do_softirq+0x10/0x1c [ 176.307162] call_on_irq_stack+0x24/0x4c [ 176.307289] do_softirq_own_stack+0x1c/0x2c [ 176.307396] do_softirq+0x54/0x6c [ 176.307485] __local_bh_enable_ip+0x8c/0x98 [ 176.307637] __dev_queue_xmit+0x22c/0xd28 [ 176.307775] neigh_resolve_output+0xf4/0x1a0 [ 176.308018] ip_finish_output2+0x1c8/0x628 [ 176.308137] ip_do_fragment+0x5b4/0x658 [ 176.308279] ip_fragment.constprop.0+0x48/0xec [ 176.308420] __ip_finish_output+0xa4/0x254 [ 176.308593] ip_finish_output+0x34/0x130 [ 176.308814] ip_output+0x6c/0x108 [ 176.308929] ip_send_skb+0x50/0xf0 [ 176.309095] ip_push_pending_frames+0x30/0x54 [ 176.309254] raw_sendmsg+0x758/0xaec [ 176.309568] inet_sendmsg+0x44/0x70 [ 176.309667] __sys_sendto+0x110/0x178 [ 176.309758] __arm64_sys_sendto+0x28/0x38 [ 176.309918] invoke_syscall+0x48/0x110 [ 176.310211] el0_svc_common.constprop.0+0x40/0xe0 [ 176.310353] do_el0_svc+0x1c/0x28 [ 176.310434] el0_svc+0x34/0xb4 [ 176.310551] el0t_64_sync_handler+0x120/0x12c [ 176.310690] el0t_64_sync+0x190/0x194 [ 176.311066] Code: f9402e61 79402aa2 927ff821 f9400023 (f9408860) [ 176.315743] ---[ end trace 0000000000000000 ]--- [ 176.316060] Kernel panic - not syncing: Oops: Fatal exception in interrupt [ 176.316371] Kernel Offset: 0x37e0e3000000 from 0xffff800080000000 [ 176.316564] PHYS_OFFSET: 0xffff97d780000000 [ 176.316782] CPU features: 0x0,88000203,3c020000,0100421b [ 176.317210] Memory Limit: none [ 176.317527] ---[ end Kernel panic - not syncing: Oops: Fatal Exception in interrupt ]---\ Fixes: 11538d039ac6 ("bridge: vlan dst_metadata hooks in ingress and egress paths") Reviewed-by: Ido Schimmel Signed-off-by: Andy Roulin Acked-by: Nikolay Aleksandrov Link: https://patch.msgid.link/20241001154400.22787-2-aroulin@nvidia.com Signed-off-by: Jakub Kicinski Signed-off-by: Sasha Levin --- net/bridge/br_netfilter_hooks.c | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/net/bridge/br_netfilter_hooks.c b/net/bridge/br_netfilter_hooks.c index f14beb9a62ed..4f867aca6300 100644 --- a/net/bridge/br_netfilter_hooks.c +++ b/net/bridge/br_netfilter_hooks.c @@ -33,6 +33,7 @@ #include #include #include +#include #include #include #include @@ -753,6 +754,10 @@ static int br_nf_dev_queue_xmit(struct net *net, struct sock *sk, struct sk_buff return br_dev_queue_push_xmit(net, sk, skb); } + /* Fragmentation on metadata/template dst is not supported */ + if (unlikely(!skb_valid_dst(skb))) + goto drop; + /* This is wrong! We should preserve the original fragment * boundaries by preserving frag_list rather than refragmenting. */ From ef44274dae9b0a90d1a97ce8b242a3b8243a7745 Mon Sep 17 00:00:00 2001 From: Luiz Augusto von Dentz Date: Mon, 30 Sep 2024 13:26:21 -0400 Subject: [PATCH 480/649] Bluetooth: RFCOMM: FIX possible deadlock in rfcomm_sk_state_change [ Upstream commit 08d1914293dae38350b8088980e59fbc699a72fe ] rfcomm_sk_state_change attempts to use sock_lock so it must never be called with it locked but rfcomm_sock_ioctl always attempt to lock it causing the following trace: ====================================================== WARNING: possible circular locking dependency detected 6.8.0-syzkaller-08951-gfe46a7dd189e #0 Not tainted ------------------------------------------------------ syz-executor386/5093 is trying to acquire lock: ffff88807c396258 (sk_lock-AF_BLUETOOTH-BTPROTO_RFCOMM){+.+.}-{0:0}, at: lock_sock include/net/sock.h:1671 [inline] ffff88807c396258 (sk_lock-AF_BLUETOOTH-BTPROTO_RFCOMM){+.+.}-{0:0}, at: rfcomm_sk_state_change+0x5b/0x310 net/bluetooth/rfcomm/sock.c:73 but task is already holding lock: ffff88807badfd28 (&d->lock){+.+.}-{3:3}, at: __rfcomm_dlc_close+0x226/0x6a0 net/bluetooth/rfcomm/core.c:491 Reported-by: syzbot+d7ce59b06b3eb14fd218@syzkaller.appspotmail.com Tested-by: syzbot+d7ce59b06b3eb14fd218@syzkaller.appspotmail.com Closes: https://syzkaller.appspot.com/bug?extid=d7ce59b06b3eb14fd218 Fixes: 3241ad820dbb ("[Bluetooth] Add timestamp support to L2CAP, RFCOMM and SCO") Signed-off-by: Luiz Augusto von Dentz Signed-off-by: Sasha Levin --- net/bluetooth/rfcomm/sock.c | 2 -- 1 file changed, 2 deletions(-) diff --git a/net/bluetooth/rfcomm/sock.c b/net/bluetooth/rfcomm/sock.c index 4cf1fa9900ca..5a490f707c81 100644 --- a/net/bluetooth/rfcomm/sock.c +++ b/net/bluetooth/rfcomm/sock.c @@ -871,9 +871,7 @@ static int rfcomm_sock_ioctl(struct socket *sock, unsigned int cmd, unsigned lon if (err == -ENOIOCTLCMD) { #ifdef CONFIG_BT_RFCOMM_TTY - lock_sock(sk); err = rfcomm_dev_ioctl(sk, cmd, (void __user *) arg); - release_sock(sk); #else err = -EOPNOTSUPP; #endif From e13ffbf5fdf551915cadc7602eb46a926361f1a0 Mon Sep 17 00:00:00 2001 From: Christophe JAILLET Date: Thu, 3 Oct 2024 21:03:21 +0200 Subject: [PATCH 481/649] net: phy: bcm84881: Fix some error handling paths [ Upstream commit 9234a2549cb6ac038bec36cc7c084218e9575513 ] If phy_read_mmd() fails, the error code stored in 'bmsr' should be returned instead of 'val' which is likely to be 0. Fixes: 75f4d8d10e01 ("net: phy: add Broadcom BCM84881 PHY driver") Signed-off-by: Christophe JAILLET Link: https://patch.msgid.link/3e1755b0c40340d00e089d6adae5bca2f8c79e53.1727982168.git.christophe.jaillet@wanadoo.fr Signed-off-by: Jakub Kicinski Signed-off-by: Sasha Levin --- drivers/net/phy/bcm84881.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/net/phy/bcm84881.c b/drivers/net/phy/bcm84881.c index 9717a1626f3f..37a64a37b2ae 100644 --- a/drivers/net/phy/bcm84881.c +++ b/drivers/net/phy/bcm84881.c @@ -120,7 +120,7 @@ static int bcm84881_aneg_done(struct phy_device *phydev) bmsr = phy_read_mmd(phydev, MDIO_MMD_AN, MDIO_AN_C22 + MII_BMSR); if (bmsr < 0) - return val; + return bmsr; return !!(val & MDIO_AN_STAT1_COMPLETE) && !!(bmsr & BMSR_ANEGCOMPLETE); @@ -146,7 +146,7 @@ static int bcm84881_read_status(struct phy_device *phydev) bmsr = phy_read_mmd(phydev, MDIO_MMD_AN, MDIO_AN_C22 + MII_BMSR); if (bmsr < 0) - return val; + return bmsr; phydev->autoneg_complete = !!(val & MDIO_AN_STAT1_COMPLETE) && !!(bmsr & BMSR_ANEGCOMPLETE); From a625acf221c14d43113655675fd44f725b85d20a Mon Sep 17 00:00:00 2001 From: Jonas Gorski Date: Fri, 4 Oct 2024 10:47:17 +0200 Subject: [PATCH 482/649] net: dsa: b53: fix jumbo frame mtu check [ Upstream commit 42fb3acf6826c6764ba79feb6e15229b43fd2f9f ] JMS_MIN_SIZE is the full ethernet frame length, while mtu is just the data payload size. Comparing these two meant that mtus between 1500 and 1518 did not trigger enabling jumbo frames. So instead compare the set mtu ETH_DATA_LEN, which is equal to JMS_MIN_SIZE - ETH_HLEN - ETH_FCS_LEN; Also do a check that the requested mtu is actually greater than the minimum length, else we do not need to enable jumbo frames. In practice this only introduced a very small range of mtus that did not work properly. Newer chips allow 2000 byte large frames by default, and older chips allow 1536 bytes long, which is equivalent to an mtu of 1514. So effectivly only mtus of 1515~1517 were broken. Fixes: 6ae5834b983a ("net: dsa: b53: add MTU configuration support") Signed-off-by: Jonas Gorski Reviewed-by: Florian Fainelli Signed-off-by: Paolo Abeni Signed-off-by: Sasha Levin --- drivers/net/dsa/b53/b53_common.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/net/dsa/b53/b53_common.c b/drivers/net/dsa/b53/b53_common.c index 2bf07a398054..5852acf496a3 100644 --- a/drivers/net/dsa/b53/b53_common.c +++ b/drivers/net/dsa/b53/b53_common.c @@ -2183,7 +2183,7 @@ static int b53_change_mtu(struct dsa_switch *ds, int port, int mtu) if (!dsa_is_cpu_port(ds, port)) return 0; - enable_jumbo = (mtu >= JMS_MIN_SIZE); + enable_jumbo = (mtu > ETH_DATA_LEN); allow_10_100 = (dev->chip_id == BCM583XX_DEVICE_ID); return b53_set_jumbo(dev, enable_jumbo, allow_10_100); From 0109267c1ec48118d9cf7bc52db2e04a4e09ccc0 Mon Sep 17 00:00:00 2001 From: Jonas Gorski Date: Fri, 4 Oct 2024 10:47:18 +0200 Subject: [PATCH 483/649] net: dsa: b53: fix max MTU for 1g switches [ Upstream commit 680a8217dc00dc7e7da57888b3c053289b60eb2b ] JMS_MAX_SIZE is the ethernet frame length, not the MTU, which is payload without ethernet headers. According to the datasheets maximum supported frame length for most gigabyte swithes is 9720 bytes, so convert that to the expected MTU when using VLAN tagged frames. Fixes: 6ae5834b983a ("net: dsa: b53: add MTU configuration support") Signed-off-by: Jonas Gorski Reviewed-by: Florian Fainelli Signed-off-by: Paolo Abeni Signed-off-by: Sasha Levin --- drivers/net/dsa/b53/b53_common.c | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-) diff --git a/drivers/net/dsa/b53/b53_common.c b/drivers/net/dsa/b53/b53_common.c index 5852acf496a3..f7ae17ee6a32 100644 --- a/drivers/net/dsa/b53/b53_common.c +++ b/drivers/net/dsa/b53/b53_common.c @@ -27,6 +27,7 @@ #include #include #include +#include #include #include "b53_regs.h" @@ -224,6 +225,8 @@ static const struct b53_mib_desc b53_mibs_58xx[] = { #define B53_MIBS_58XX_SIZE ARRAY_SIZE(b53_mibs_58xx) +#define B53_MAX_MTU (9720 - ETH_HLEN - VLAN_HLEN - ETH_FCS_LEN) + static int b53_do_vlan_op(struct b53_device *dev, u8 op) { unsigned int i; @@ -2191,7 +2194,7 @@ static int b53_change_mtu(struct dsa_switch *ds, int port, int mtu) static int b53_get_max_mtu(struct dsa_switch *ds, int port) { - return JMS_MAX_SIZE; + return B53_MAX_MTU; } static const struct dsa_switch_ops b53_switch_ops = { From 9f3407aa6cba4bf67006b5a93eb8a13b412d3b72 Mon Sep 17 00:00:00 2001 From: Jonas Gorski Date: Fri, 4 Oct 2024 10:47:19 +0200 Subject: [PATCH 484/649] net: dsa: b53: fix max MTU for BCM5325/BCM5365 [ Upstream commit ca8c1f71c10193c270f772d70d34b15ad765d6a8 ] BCM5325/BCM5365 do not support jumbo frames, so we should not report a jumbo frame mtu for them. But they do support so called "oversized" frames up to 1536 bytes long by default, so report an appropriate MTU. Fixes: 6ae5834b983a ("net: dsa: b53: add MTU configuration support") Signed-off-by: Jonas Gorski Reviewed-by: Florian Fainelli Signed-off-by: Paolo Abeni Signed-off-by: Sasha Levin --- drivers/net/dsa/b53/b53_common.c | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/drivers/net/dsa/b53/b53_common.c b/drivers/net/dsa/b53/b53_common.c index f7ae17ee6a32..eea4d61a354c 100644 --- a/drivers/net/dsa/b53/b53_common.c +++ b/drivers/net/dsa/b53/b53_common.c @@ -225,6 +225,7 @@ static const struct b53_mib_desc b53_mibs_58xx[] = { #define B53_MIBS_58XX_SIZE ARRAY_SIZE(b53_mibs_58xx) +#define B53_MAX_MTU_25 (1536 - ETH_HLEN - VLAN_HLEN - ETH_FCS_LEN) #define B53_MAX_MTU (9720 - ETH_HLEN - VLAN_HLEN - ETH_FCS_LEN) static int b53_do_vlan_op(struct b53_device *dev, u8 op) @@ -2194,6 +2195,11 @@ static int b53_change_mtu(struct dsa_switch *ds, int port, int mtu) static int b53_get_max_mtu(struct dsa_switch *ds, int port) { + struct b53_device *dev = ds->priv; + + if (is5325(dev) || is5365(dev)) + return B53_MAX_MTU_25; + return B53_MAX_MTU; } From a7c9402bbc4a2e8969b36cd402b2a27f593337d2 Mon Sep 17 00:00:00 2001 From: Jonas Gorski Date: Fri, 4 Oct 2024 10:47:20 +0200 Subject: [PATCH 485/649] net: dsa: b53: allow lower MTUs on BCM5325/5365 [ Upstream commit e4b294f88a32438baf31762441f3dd1c996778be ] While BCM5325/5365 do not support jumbo frames, they do support slightly oversized frames, so do not error out if requesting a supported MTU for them. Fixes: 6ae5834b983a ("net: dsa: b53: add MTU configuration support") Signed-off-by: Jonas Gorski Reviewed-by: Florian Fainelli Signed-off-by: Paolo Abeni Signed-off-by: Sasha Levin --- drivers/net/dsa/b53/b53_common.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/net/dsa/b53/b53_common.c b/drivers/net/dsa/b53/b53_common.c index eea4d61a354c..459caaf6aa61 100644 --- a/drivers/net/dsa/b53/b53_common.c +++ b/drivers/net/dsa/b53/b53_common.c @@ -2182,7 +2182,7 @@ static int b53_change_mtu(struct dsa_switch *ds, int port, int mtu) bool allow_10_100; if (is5325(dev) || is5365(dev)) - return -EOPNOTSUPP; + return 0; if (!dsa_is_cpu_port(ds, port)) return 0; From 0e91c4b48445afa7428885540f47cb6f0995298f Mon Sep 17 00:00:00 2001 From: Jonas Gorski Date: Fri, 4 Oct 2024 10:47:21 +0200 Subject: [PATCH 486/649] net: dsa: b53: fix jumbo frames on 10/100 ports [ Upstream commit 2f3dcd0d39affe5b9ba1c351ce0e270c8bdd5109 ] All modern chips support and need the 10_100 bit set for supporting jumbo frames on 10/100 ports, so instead of enabling it only for 583XX enable it for everything except bcm63xx, where the bit is writeable, but does nothing. Tested on BCM53115, where jumbo frames were dropped at 10/100 speeds without the bit set. Fixes: 6ae5834b983a ("net: dsa: b53: add MTU configuration support") Signed-off-by: Jonas Gorski Reviewed-by: Florian Fainelli Signed-off-by: Paolo Abeni Signed-off-by: Sasha Levin --- drivers/net/dsa/b53/b53_common.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/net/dsa/b53/b53_common.c b/drivers/net/dsa/b53/b53_common.c index 459caaf6aa61..2fc33019e814 100644 --- a/drivers/net/dsa/b53/b53_common.c +++ b/drivers/net/dsa/b53/b53_common.c @@ -2188,7 +2188,7 @@ static int b53_change_mtu(struct dsa_switch *ds, int port, int mtu) return 0; enable_jumbo = (mtu > ETH_DATA_LEN); - allow_10_100 = (dev->chip_id == BCM583XX_DEVICE_ID); + allow_10_100 = !is63xx(dev); return b53_set_jumbo(dev, enable_jumbo, allow_10_100); } From 36fd66cb5178f1dece4193d208c0af824f02326a Mon Sep 17 00:00:00 2001 From: Billy Tsai Date: Tue, 8 Oct 2024 16:14:44 +0800 Subject: [PATCH 487/649] gpio: aspeed: Add the flush write to ensure the write complete. [ Upstream commit 1bb5a99e1f3fd27accb804aa0443a789161f843c ] Performing a dummy read ensures that the register write operation is fully completed, mitigating any potential bus delays that could otherwise impact the frequency of bitbang usage. E.g., if the JTAG application uses GPIO to control the JTAG pins (TCK, TMS, TDI, TDO, and TRST), and the application sets the TCK clock to 1 MHz, the GPIO's high/low transitions will rely on a delay function to ensure the clock frequency does not exceed 1 MHz. However, this can lead to rapid toggling of the GPIO because the write operation is POSTed and does not wait for a bus acknowledgment. Fixes: 361b79119a4b ("gpio: Add Aspeed driver") Reviewed-by: Andrew Jeffery Signed-off-by: Billy Tsai Link: https://lore.kernel.org/r/20241008081450.1490955-2-billy_tsai@aspeedtech.com Signed-off-by: Bartosz Golaszewski Signed-off-by: Sasha Levin --- drivers/gpio/gpio-aspeed.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/drivers/gpio/gpio-aspeed.c b/drivers/gpio/gpio-aspeed.c index bbd04a63fb12..41e3f3b351cf 100644 --- a/drivers/gpio/gpio-aspeed.c +++ b/drivers/gpio/gpio-aspeed.c @@ -404,6 +404,8 @@ static void __aspeed_gpio_set(struct gpio_chip *gc, unsigned int offset, gpio->dcache[GPIO_BANK(offset)] = reg; iowrite32(reg, addr); + /* Flush write */ + ioread32(addr); } static void aspeed_gpio_set(struct gpio_chip *gc, unsigned int offset, From c70e05b929b404b8715d9bb8abc9c05b98062f21 Mon Sep 17 00:00:00 2001 From: Billy Tsai Date: Tue, 8 Oct 2024 16:14:45 +0800 Subject: [PATCH 488/649] gpio: aspeed: Use devm_clk api to manage clock source [ Upstream commit a6191a3d18119184237f4ee600039081ad992320 ] Replace of_clk_get with devm_clk_get_enabled to manage the clock source. Fixes: 5ae4cb94b313 ("gpio: aspeed: Add debounce support") Reviewed-by: Andrew Jeffery Signed-off-by: Billy Tsai Link: https://lore.kernel.org/r/20241008081450.1490955-3-billy_tsai@aspeedtech.com Signed-off-by: Bartosz Golaszewski Signed-off-by: Sasha Levin --- drivers/gpio/gpio-aspeed.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/gpio/gpio-aspeed.c b/drivers/gpio/gpio-aspeed.c index 41e3f3b351cf..a70c499c2a19 100644 --- a/drivers/gpio/gpio-aspeed.c +++ b/drivers/gpio/gpio-aspeed.c @@ -1159,7 +1159,7 @@ static int __init aspeed_gpio_probe(struct platform_device *pdev) if (!gpio_id) return -EINVAL; - gpio->clk = of_clk_get(pdev->dev.of_node, 0); + gpio->clk = devm_clk_get_enabled(&pdev->dev, NULL); if (IS_ERR(gpio->clk)) { dev_warn(&pdev->dev, "Failed to get clock from devicetree, debouncing disabled\n"); From d79af3af2f49c6aae9add3d492c04d60c1b85ce4 Mon Sep 17 00:00:00 2001 From: Mohamed Khalfella Date: Tue, 24 Sep 2024 15:06:01 -0600 Subject: [PATCH 489/649] igb: Do not bring the device up after non-fatal error [ Upstream commit 330a699ecbfc9c26ec92c6310686da1230b4e7eb ] Commit 004d25060c78 ("igb: Fix igb_down hung on surprise removal") changed igb_io_error_detected() to ignore non-fatal pcie errors in order to avoid hung task that can happen when igb_down() is called multiple times. This caused an issue when processing transient non-fatal errors. igb_io_resume(), which is called after igb_io_error_detected(), assumes that device is brought down by igb_io_error_detected() if the interface is up. This resulted in panic with stacktrace below. [ T3256] igb 0000:09:00.0 haeth0: igb: haeth0 NIC Link is Down [ T292] pcieport 0000:00:1c.5: AER: Uncorrected (Non-Fatal) error received: 0000:09:00.0 [ T292] igb 0000:09:00.0: PCIe Bus Error: severity=Uncorrected (Non-Fatal), type=Transaction Layer, (Requester ID) [ T292] igb 0000:09:00.0: device [8086:1537] error status/mask=00004000/00000000 [ T292] igb 0000:09:00.0: [14] CmpltTO [ 200.105524,009][ T292] igb 0000:09:00.0: AER: TLP Header: 00000000 00000000 00000000 00000000 [ T292] pcieport 0000:00:1c.5: AER: broadcast error_detected message [ T292] igb 0000:09:00.0: Non-correctable non-fatal error reported. [ T292] pcieport 0000:00:1c.5: AER: broadcast mmio_enabled message [ T292] pcieport 0000:00:1c.5: AER: broadcast resume message [ T292] ------------[ cut here ]------------ [ T292] kernel BUG at net/core/dev.c:6539! [ T292] invalid opcode: 0000 [#1] PREEMPT SMP [ T292] RIP: 0010:napi_enable+0x37/0x40 [ T292] Call Trace: [ T292] [ T292] ? die+0x33/0x90 [ T292] ? do_trap+0xdc/0x110 [ T292] ? napi_enable+0x37/0x40 [ T292] ? do_error_trap+0x70/0xb0 [ T292] ? napi_enable+0x37/0x40 [ T292] ? napi_enable+0x37/0x40 [ T292] ? exc_invalid_op+0x4e/0x70 [ T292] ? napi_enable+0x37/0x40 [ T292] ? asm_exc_invalid_op+0x16/0x20 [ T292] ? napi_enable+0x37/0x40 [ T292] igb_up+0x41/0x150 [ T292] igb_io_resume+0x25/0x70 [ T292] report_resume+0x54/0x70 [ T292] ? report_frozen_detected+0x20/0x20 [ T292] pci_walk_bus+0x6c/0x90 [ T292] ? aer_print_port_info+0xa0/0xa0 [ T292] pcie_do_recovery+0x22f/0x380 [ T292] aer_process_err_devices+0x110/0x160 [ T292] aer_isr+0x1c1/0x1e0 [ T292] ? disable_irq_nosync+0x10/0x10 [ T292] irq_thread_fn+0x1a/0x60 [ T292] irq_thread+0xe3/0x1a0 [ T292] ? irq_set_affinity_notifier+0x120/0x120 [ T292] ? irq_affinity_notify+0x100/0x100 [ T292] kthread+0xe2/0x110 [ T292] ? kthread_complete_and_exit+0x20/0x20 [ T292] ret_from_fork+0x2d/0x50 [ T292] ? kthread_complete_and_exit+0x20/0x20 [ T292] ret_from_fork_asm+0x11/0x20 [ T292] To fix this issue igb_io_resume() checks if the interface is running and the device is not down this means igb_io_error_detected() did not bring the device down and there is no need to bring it up. Signed-off-by: Mohamed Khalfella Reviewed-by: Yuanyuan Zhong Fixes: 004d25060c78 ("igb: Fix igb_down hung on surprise removal") Reviewed-by: Simon Horman Tested-by: Pucha Himasekhar Reddy (A Contingent worker at Intel) Signed-off-by: Tony Nguyen Signed-off-by: Sasha Levin --- drivers/net/ethernet/intel/igb/igb_main.c | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/drivers/net/ethernet/intel/igb/igb_main.c b/drivers/net/ethernet/intel/igb/igb_main.c index e2c38e5232dc..17cdda3fe415 100644 --- a/drivers/net/ethernet/intel/igb/igb_main.c +++ b/drivers/net/ethernet/intel/igb/igb_main.c @@ -9536,6 +9536,10 @@ static void igb_io_resume(struct pci_dev *pdev) struct igb_adapter *adapter = netdev_priv(netdev); if (netif_running(netdev)) { + if (!test_bit(__IGB_DOWN, &adapter->state)) { + dev_dbg(&pdev->dev, "Resuming from non-fatal error, do nothing.\n"); + return; + } if (igb_up(adapter)) { dev_err(&pdev->dev, "igb_up failed after reset\n"); return; From adbc3eef43fc94c7c8436da832691ae02333a972 Mon Sep 17 00:00:00 2001 From: Eric Dumazet Date: Mon, 7 Oct 2024 18:41:30 +0000 Subject: [PATCH 490/649] net/sched: accept TCA_STAB only for root qdisc [ Upstream commit 3cb7cf1540ddff5473d6baeb530228d19bc97b8a ] Most qdiscs maintain their backlog using qdisc_pkt_len(skb) on the assumption it is invariant between the enqueue() and dequeue() handlers. Unfortunately syzbot can crash a host rather easily using a TBF + SFQ combination, with an STAB on SFQ [1] We can't support TCA_STAB on arbitrary level, this would require to maintain per-qdisc storage. [1] [ 88.796496] BUG: kernel NULL pointer dereference, address: 0000000000000000 [ 88.798611] #PF: supervisor read access in kernel mode [ 88.799014] #PF: error_code(0x0000) - not-present page [ 88.799506] PGD 0 P4D 0 [ 88.799829] Oops: Oops: 0000 [#1] SMP NOPTI [ 88.800569] CPU: 14 UID: 0 PID: 2053 Comm: b371744477 Not tainted 6.12.0-rc1-virtme #1117 [ 88.801107] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 88.801779] RIP: 0010:sfq_dequeue (net/sched/sch_sfq.c:272 net/sched/sch_sfq.c:499) sch_sfq [ 88.802544] Code: 0f b7 50 12 48 8d 04 d5 00 00 00 00 48 89 d6 48 29 d0 48 8b 91 c0 01 00 00 48 c1 e0 03 48 01 c2 66 83 7a 1a 00 7e c0 48 8b 3a <4c> 8b 07 4c 89 02 49 89 50 08 48 c7 47 08 00 00 00 00 48 c7 07 00 All code ======== 0: 0f b7 50 12 movzwl 0x12(%rax),%edx 4: 48 8d 04 d5 00 00 00 lea 0x0(,%rdx,8),%rax b: 00 c: 48 89 d6 mov %rdx,%rsi f: 48 29 d0 sub %rdx,%rax 12: 48 8b 91 c0 01 00 00 mov 0x1c0(%rcx),%rdx 19: 48 c1 e0 03 shl $0x3,%rax 1d: 48 01 c2 add %rax,%rdx 20: 66 83 7a 1a 00 cmpw $0x0,0x1a(%rdx) 25: 7e c0 jle 0xffffffffffffffe7 27: 48 8b 3a mov (%rdx),%rdi 2a:* 4c 8b 07 mov (%rdi),%r8 <-- trapping instruction 2d: 4c 89 02 mov %r8,(%rdx) 30: 49 89 50 08 mov %rdx,0x8(%r8) 34: 48 c7 47 08 00 00 00 movq $0x0,0x8(%rdi) 3b: 00 3c: 48 rex.W 3d: c7 .byte 0xc7 3e: 07 (bad) ... Code starting with the faulting instruction =========================================== 0: 4c 8b 07 mov (%rdi),%r8 3: 4c 89 02 mov %r8,(%rdx) 6: 49 89 50 08 mov %rdx,0x8(%r8) a: 48 c7 47 08 00 00 00 movq $0x0,0x8(%rdi) 11: 00 12: 48 rex.W 13: c7 .byte 0xc7 14: 07 (bad) ... [ 88.803721] RSP: 0018:ffff9a1f892b7d58 EFLAGS: 00000206 [ 88.804032] RAX: 0000000000000000 RBX: ffff9a1f8420c800 RCX: ffff9a1f8420c800 [ 88.804560] RDX: ffff9a1f81bc1440 RSI: 0000000000000000 RDI: 0000000000000000 [ 88.805056] RBP: ffffffffc04bb0e0 R08: 0000000000000001 R09: 00000000ff7f9a1f [ 88.805473] R10: 000000000001001b R11: 0000000000009a1f R12: 0000000000000140 [ 88.806194] R13: 0000000000000001 R14: ffff9a1f886df400 R15: ffff9a1f886df4ac [ 88.806734] FS: 00007f445601a740(0000) GS:ffff9a2e7fd80000(0000) knlGS:0000000000000000 [ 88.807225] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 88.807672] CR2: 0000000000000000 CR3: 000000050cc46000 CR4: 00000000000006f0 [ 88.808165] Call Trace: [ 88.808459] [ 88.808710] ? __die (arch/x86/kernel/dumpstack.c:421 arch/x86/kernel/dumpstack.c:434) [ 88.809261] ? page_fault_oops (arch/x86/mm/fault.c:715) [ 88.809561] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:87 ./arch/x86/include/asm/irqflags.h:147 arch/x86/mm/fault.c:1489 arch/x86/mm/fault.c:1539) [ 88.809806] ? asm_exc_page_fault (./arch/x86/include/asm/idtentry.h:623) [ 88.810074] ? sfq_dequeue (net/sched/sch_sfq.c:272 net/sched/sch_sfq.c:499) sch_sfq [ 88.810411] sfq_reset (net/sched/sch_sfq.c:525) sch_sfq [ 88.810671] qdisc_reset (./include/linux/skbuff.h:2135 ./include/linux/skbuff.h:2441 ./include/linux/skbuff.h:3304 ./include/linux/skbuff.h:3310 net/sched/sch_generic.c:1036) [ 88.810950] tbf_reset (./include/linux/timekeeping.h:169 net/sched/sch_tbf.c:334) sch_tbf [ 88.811208] qdisc_reset (./include/linux/skbuff.h:2135 ./include/linux/skbuff.h:2441 ./include/linux/skbuff.h:3304 ./include/linux/skbuff.h:3310 net/sched/sch_generic.c:1036) [ 88.811484] netif_set_real_num_tx_queues (./include/linux/spinlock.h:396 ./include/net/sch_generic.h:768 net/core/dev.c:2958) [ 88.811870] __tun_detach (drivers/net/tun.c:590 drivers/net/tun.c:673) [ 88.812271] tun_chr_close (drivers/net/tun.c:702 drivers/net/tun.c:3517) [ 88.812505] __fput (fs/file_table.c:432 (discriminator 1)) [ 88.812735] task_work_run (kernel/task_work.c:230) [ 88.813016] do_exit (kernel/exit.c:940) [ 88.813372] ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:58 (discriminator 4)) [ 88.813639] ? handle_mm_fault (./arch/x86/include/asm/irqflags.h:42 ./arch/x86/include/asm/irqflags.h:97 ./arch/x86/include/asm/irqflags.h:155 ./include/linux/memcontrol.h:1022 ./include/linux/memcontrol.h:1045 ./include/linux/memcontrol.h:1052 mm/memory.c:5928 mm/memory.c:6088) [ 88.813867] do_group_exit (kernel/exit.c:1070) [ 88.814138] __x64_sys_exit_group (kernel/exit.c:1099) [ 88.814490] x64_sys_call (??:?) [ 88.814791] do_syscall_64 (arch/x86/entry/common.c:52 (discriminator 1) arch/x86/entry/common.c:83 (discriminator 1)) [ 88.815012] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 88.815495] RIP: 0033:0x7f44560f1975 Fixes: 175f9c1bba9b ("net_sched: Add size table for qdiscs") Reported-by: syzbot Signed-off-by: Eric Dumazet Cc: Daniel Borkmann Link: https://patch.msgid.link/20241007184130.3960565-1-edumazet@google.com Signed-off-by: Jakub Kicinski Signed-off-by: Sasha Levin --- include/net/sch_generic.h | 1 - net/sched/sch_api.c | 7 ++++++- 2 files changed, 6 insertions(+), 2 deletions(-) diff --git a/include/net/sch_generic.h b/include/net/sch_generic.h index a62677be7452..4db11c4695cf 100644 --- a/include/net/sch_generic.h +++ b/include/net/sch_generic.h @@ -830,7 +830,6 @@ static inline void qdisc_calculate_pkt_len(struct sk_buff *skb, static inline int qdisc_enqueue(struct sk_buff *skb, struct Qdisc *sch, struct sk_buff **to_free) { - qdisc_calculate_pkt_len(skb, sch); return sch->enqueue(skb, sch, to_free); } diff --git a/net/sched/sch_api.c b/net/sched/sch_api.c index 5c2d230790db..d0e4845ea701 100644 --- a/net/sched/sch_api.c +++ b/net/sched/sch_api.c @@ -589,7 +589,6 @@ void __qdisc_calculate_pkt_len(struct sk_buff *skb, pkt_len = 1; qdisc_skb_cb(skb)->pkt_len = pkt_len; } -EXPORT_SYMBOL(__qdisc_calculate_pkt_len); void qdisc_warn_nonwc(const char *txt, struct Qdisc *qdisc) { @@ -1119,6 +1118,12 @@ static int qdisc_graft(struct net_device *dev, struct Qdisc *parent, return -EINVAL; } + if (new && + !(parent->flags & TCQ_F_MQROOT) && + rcu_access_pointer(new->stab)) { + NL_SET_ERR_MSG(extack, "STAB not supported on a non root"); + return -EINVAL; + } err = cops->graft(parent, cl, new, &old, extack); if (err) return err; From 23e139f90b2574e484a6ee83c505062b821cbe84 Mon Sep 17 00:00:00 2001 From: Rosen Penev Date: Mon, 7 Oct 2024 16:57:11 -0700 Subject: [PATCH 491/649] net: ibm: emac: mal: fix wrong goto [ Upstream commit 08c8acc9d8f3f70d62dd928571368d5018206490 ] dcr_map is called in the previous if and therefore needs to be unmapped. Fixes: 1ff0fcfcb1a6 ("ibm_newemac: Fix new MAL feature handling") Signed-off-by: Rosen Penev Link: https://patch.msgid.link/20241007235711.5714-1-rosenp@gmail.com Signed-off-by: Jakub Kicinski Signed-off-by: Sasha Levin --- drivers/net/ethernet/ibm/emac/mal.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/net/ethernet/ibm/emac/mal.c b/drivers/net/ethernet/ibm/emac/mal.c index 075c07303f16..b095d5057b5e 100644 --- a/drivers/net/ethernet/ibm/emac/mal.c +++ b/drivers/net/ethernet/ibm/emac/mal.c @@ -576,7 +576,7 @@ static int mal_probe(struct platform_device *ofdev) printk(KERN_ERR "%pOF: Support for 405EZ not enabled!\n", ofdev->dev.of_node); err = -ENODEV; - goto fail; + goto fail_unmap; #endif } From 740de198776681d4b49e22c8964041ce3a65cbb8 Mon Sep 17 00:00:00 2001 From: David Ahern Date: Mon, 14 Mar 2022 14:45:51 -0600 Subject: [PATCH 492/649] net: Add l3mdev index to flow struct and avoid oif reset for port devices [ Upstream commit 40867d74c374b235e14d839f3a77f26684feefe5 ] The fundamental premise of VRF and l3mdev core code is binding a socket to a device (l3mdev or netdev with an L3 domain) to indicate L3 scope. Legacy code resets flowi_oif to the l3mdev losing any original port device binding. Ben (among others) has demonstrated use cases where the original port device binding is important and needs to be retained. This patch handles that by adding a new entry to the common flow struct that can indicate the l3mdev index for later rule and table matching avoiding the need to reset flowi_oif. In addition to allowing more use cases that require port device binds, this patch brings a few datapath simplications: 1. l3mdev_fib_rule_match is only called when walking fib rules and always after l3mdev_update_flow. That allows an optimization to bail early for non-VRF type uses cases when flowi_l3mdev is not set. Also, only that index needs to be checked for the FIB table id. 2. l3mdev_update_flow can be called with flowi_oif set to a l3mdev (e.g., VRF) device. By resetting flowi_oif only for this case the FLOWI_FLAG_SKIP_NH_OIF flag is not longer needed and can be removed, removing several checks in the datapath. The flowi_iif path can be simplified to only be called if the it is not loopback (loopback can not be assigned to an L3 domain) and the l3mdev index is not already set. 3. Avoid another device lookup in the output path when the fib lookup returns a reject failure. Note: 2 functional tests for local traffic with reject fib rules are updated to reflect the new direct failure at FIB lookup time for ping rather than the failure on packet path. The current code fails like this: HINT: Fails since address on vrf device is out of device scope COMMAND: ip netns exec ns-A ping -c1 -w1 -I eth1 172.16.3.1 ping: Warning: source address might be selected on device other than: eth1 PING 172.16.3.1 (172.16.3.1) from 172.16.3.1 eth1: 56(84) bytes of data. --- 172.16.3.1 ping statistics --- 1 packets transmitted, 0 received, 100% packet loss, time 0ms where the test now directly fails: HINT: Fails since address on vrf device is out of device scope COMMAND: ip netns exec ns-A ping -c1 -w1 -I eth1 172.16.3.1 ping: connect: No route to host Signed-off-by: David Ahern Tested-by: Ben Greear Link: https://lore.kernel.org/r/20220314204551.16369-1-dsahern@kernel.org Signed-off-by: Jakub Kicinski Stable-dep-of: 05ef7055debc ("netfilter: fib: check correct rtable in vrf setups") Signed-off-by: Sasha Levin --- drivers/net/vrf.c | 7 ++-- include/net/flow.h | 6 +++- net/ipv4/fib_frontend.c | 7 ++-- net/ipv4/fib_semantics.c | 2 +- net/ipv4/fib_trie.c | 7 ++-- net/ipv4/route.c | 4 +-- net/ipv4/xfrm4_policy.c | 4 +-- net/ipv6/ip6_output.c | 3 +- net/ipv6/route.c | 12 ------- net/ipv6/xfrm6_policy.c | 3 +- net/l3mdev/l3mdev.c | 43 +++++++++-------------- tools/testing/selftests/net/fcnal-test.sh | 2 +- 12 files changed, 37 insertions(+), 63 deletions(-) diff --git a/drivers/net/vrf.c b/drivers/net/vrf.c index 8ab0b5a8dfef..13ad434643b8 100644 --- a/drivers/net/vrf.c +++ b/drivers/net/vrf.c @@ -470,14 +470,13 @@ static netdev_tx_t vrf_process_v6_outbound(struct sk_buff *skb, memset(&fl6, 0, sizeof(fl6)); /* needed to match OIF rule */ - fl6.flowi6_oif = dev->ifindex; + fl6.flowi6_l3mdev = dev->ifindex; fl6.flowi6_iif = LOOPBACK_IFINDEX; fl6.daddr = iph->daddr; fl6.saddr = iph->saddr; fl6.flowlabel = ip6_flowinfo(iph); fl6.flowi6_mark = skb->mark; fl6.flowi6_proto = iph->nexthdr; - fl6.flowi6_flags = FLOWI_FLAG_SKIP_NH_OIF; dst = ip6_dst_lookup_flow(net, NULL, &fl6, NULL); if (IS_ERR(dst) || dst == dst_null) @@ -550,10 +549,10 @@ static netdev_tx_t vrf_process_v4_outbound(struct sk_buff *skb, memset(&fl4, 0, sizeof(fl4)); /* needed to match OIF rule */ - fl4.flowi4_oif = vrf_dev->ifindex; + fl4.flowi4_l3mdev = vrf_dev->ifindex; fl4.flowi4_iif = LOOPBACK_IFINDEX; fl4.flowi4_tos = RT_TOS(ip4h->tos); - fl4.flowi4_flags = FLOWI_FLAG_ANYSRC | FLOWI_FLAG_SKIP_NH_OIF; + fl4.flowi4_flags = FLOWI_FLAG_ANYSRC; fl4.flowi4_proto = ip4h->protocol; fl4.daddr = ip4h->daddr; fl4.saddr = ip4h->saddr; diff --git a/include/net/flow.h b/include/net/flow.h index 7ffa1fe1107c..1c19af4f3b97 100644 --- a/include/net/flow.h +++ b/include/net/flow.h @@ -29,6 +29,7 @@ struct flowi_tunnel { struct flowi_common { int flowic_oif; int flowic_iif; + int flowic_l3mdev; __u32 flowic_mark; __u8 flowic_tos; __u8 flowic_scope; @@ -36,7 +37,6 @@ struct flowi_common { __u8 flowic_flags; #define FLOWI_FLAG_ANYSRC 0x01 #define FLOWI_FLAG_KNOWN_NH 0x02 -#define FLOWI_FLAG_SKIP_NH_OIF 0x04 __u32 flowic_secid; kuid_t flowic_uid; __u32 flowic_multipath_hash; @@ -66,6 +66,7 @@ struct flowi4 { struct flowi_common __fl_common; #define flowi4_oif __fl_common.flowic_oif #define flowi4_iif __fl_common.flowic_iif +#define flowi4_l3mdev __fl_common.flowic_l3mdev #define flowi4_mark __fl_common.flowic_mark #define flowi4_tos __fl_common.flowic_tos #define flowi4_scope __fl_common.flowic_scope @@ -99,6 +100,7 @@ static inline void flowi4_init_output(struct flowi4 *fl4, int oif, { fl4->flowi4_oif = oif; fl4->flowi4_iif = LOOPBACK_IFINDEX; + fl4->flowi4_l3mdev = 0; fl4->flowi4_mark = mark; fl4->flowi4_tos = tos; fl4->flowi4_scope = scope; @@ -129,6 +131,7 @@ struct flowi6 { struct flowi_common __fl_common; #define flowi6_oif __fl_common.flowic_oif #define flowi6_iif __fl_common.flowic_iif +#define flowi6_l3mdev __fl_common.flowic_l3mdev #define flowi6_mark __fl_common.flowic_mark #define flowi6_scope __fl_common.flowic_scope #define flowi6_proto __fl_common.flowic_proto @@ -159,6 +162,7 @@ struct flowi { } u; #define flowi_oif u.__fl_common.flowic_oif #define flowi_iif u.__fl_common.flowic_iif +#define flowi_l3mdev u.__fl_common.flowic_l3mdev #define flowi_mark u.__fl_common.flowic_mark #define flowi_tos u.__fl_common.flowic_tos #define flowi_scope u.__fl_common.flowic_scope diff --git a/net/ipv4/fib_frontend.c b/net/ipv4/fib_frontend.c index 0394146f813c..5e2a003cd83c 100644 --- a/net/ipv4/fib_frontend.c +++ b/net/ipv4/fib_frontend.c @@ -290,7 +290,7 @@ __be32 fib_compute_spec_dst(struct sk_buff *skb) bool vmark = in_dev && IN_DEV_SRC_VMARK(in_dev); struct flowi4 fl4 = { .flowi4_iif = LOOPBACK_IFINDEX, - .flowi4_oif = l3mdev_master_ifindex_rcu(dev), + .flowi4_l3mdev = l3mdev_master_ifindex_rcu(dev), .daddr = ip_hdr(skb)->saddr, .flowi4_tos = ip_hdr(skb)->tos & IPTOS_RT_MASK, .flowi4_scope = scope, @@ -352,9 +352,8 @@ static int __fib_validate_source(struct sk_buff *skb, __be32 src, __be32 dst, bool dev_match; fl4.flowi4_oif = 0; - fl4.flowi4_iif = l3mdev_master_ifindex_rcu(dev); - if (!fl4.flowi4_iif) - fl4.flowi4_iif = oif ? : LOOPBACK_IFINDEX; + fl4.flowi4_l3mdev = l3mdev_master_ifindex_rcu(dev); + fl4.flowi4_iif = oif ? : LOOPBACK_IFINDEX; fl4.daddr = src; fl4.saddr = dst; fl4.flowi4_tos = tos; diff --git a/net/ipv4/fib_semantics.c b/net/ipv4/fib_semantics.c index bb5255178d75..a308d3f0f845 100644 --- a/net/ipv4/fib_semantics.c +++ b/net/ipv4/fib_semantics.c @@ -2268,7 +2268,7 @@ void fib_select_multipath(struct fib_result *res, int hash) void fib_select_path(struct net *net, struct fib_result *res, struct flowi4 *fl4, const struct sk_buff *skb) { - if (fl4->flowi4_oif && !(fl4->flowi4_flags & FLOWI_FLAG_SKIP_NH_OIF)) + if (fl4->flowi4_oif) goto check_saddr; #ifdef CONFIG_IP_ROUTE_MULTIPATH diff --git a/net/ipv4/fib_trie.c b/net/ipv4/fib_trie.c index 3f4f6458d40e..1bdcdc79d43f 100644 --- a/net/ipv4/fib_trie.c +++ b/net/ipv4/fib_trie.c @@ -1384,11 +1384,8 @@ bool fib_lookup_good_nhc(const struct fib_nh_common *nhc, int fib_flags, !(fib_flags & FIB_LOOKUP_IGNORE_LINKSTATE)) return false; - if (!(flp->flowi4_flags & FLOWI_FLAG_SKIP_NH_OIF)) { - if (flp->flowi4_oif && - flp->flowi4_oif != nhc->nhc_oif) - return false; - } + if (flp->flowi4_oif && flp->flowi4_oif != nhc->nhc_oif) + return false; return true; } diff --git a/net/ipv4/route.c b/net/ipv4/route.c index 1eb1e4316ed6..c34386a9d99b 100644 --- a/net/ipv4/route.c +++ b/net/ipv4/route.c @@ -2200,6 +2200,7 @@ static int ip_route_input_slow(struct sk_buff *skb, __be32 daddr, __be32 saddr, /* * Now we are ready to route packet. */ + fl4.flowi4_l3mdev = 0; fl4.flowi4_oif = 0; fl4.flowi4_iif = dev->ifindex; fl4.flowi4_mark = skb->mark; @@ -2676,8 +2677,7 @@ struct rtable *ip_route_output_key_hash_rcu(struct net *net, struct flowi4 *fl4, res->fi = NULL; res->table = NULL; if (fl4->flowi4_oif && - (ipv4_is_multicast(fl4->daddr) || - !netif_index_is_l3_master(net, fl4->flowi4_oif))) { + (ipv4_is_multicast(fl4->daddr) || !fl4->flowi4_l3mdev)) { /* Apparently, routing tables are wrong. Assume, that the destination is on link. diff --git a/net/ipv4/xfrm4_policy.c b/net/ipv4/xfrm4_policy.c index 9ebd54752e03..4548a91acdc8 100644 --- a/net/ipv4/xfrm4_policy.c +++ b/net/ipv4/xfrm4_policy.c @@ -28,13 +28,11 @@ static struct dst_entry *__xfrm4_dst_lookup(struct net *net, struct flowi4 *fl4, memset(fl4, 0, sizeof(*fl4)); fl4->daddr = daddr->a4; fl4->flowi4_tos = tos; - fl4->flowi4_oif = l3mdev_master_ifindex_by_index(net, oif); + fl4->flowi4_l3mdev = l3mdev_master_ifindex_by_index(net, oif); fl4->flowi4_mark = mark; if (saddr) fl4->saddr = saddr->a4; - fl4->flowi4_flags = FLOWI_FLAG_SKIP_NH_OIF; - rt = __ip_route_output_key(net, fl4); if (!IS_ERR(rt)) return &rt->dst; diff --git a/net/ipv6/ip6_output.c b/net/ipv6/ip6_output.c index 436733021b1e..26d8105981e9 100644 --- a/net/ipv6/ip6_output.c +++ b/net/ipv6/ip6_output.c @@ -1067,8 +1067,7 @@ static struct dst_entry *ip6_sk_dst_check(struct sock *sk, #ifdef CONFIG_IPV6_SUBTREES ip6_rt_check(&rt->rt6i_src, &fl6->saddr, np->saddr_cache) || #endif - (!(fl6->flowi6_flags & FLOWI_FLAG_SKIP_NH_OIF) && - (fl6->flowi6_oif && fl6->flowi6_oif != dst->dev->ifindex))) { + (fl6->flowi6_oif && fl6->flowi6_oif != dst->dev->ifindex)) { dst_release(dst); dst = NULL; } diff --git a/net/ipv6/route.c b/net/ipv6/route.c index 799779475c7d..37e05a77fe49 100644 --- a/net/ipv6/route.c +++ b/net/ipv6/route.c @@ -1207,9 +1207,6 @@ INDIRECT_CALLABLE_SCOPE struct rt6_info *ip6_pol_route_lookup(struct net *net, struct fib6_node *fn; struct rt6_info *rt; - if (fl6->flowi6_flags & FLOWI_FLAG_SKIP_NH_OIF) - flags &= ~RT6_LOOKUP_F_IFACE; - rcu_read_lock(); fn = fib6_node_lookup(&table->tb6_root, &fl6->daddr, &fl6->saddr); restart: @@ -2183,9 +2180,6 @@ int fib6_table_lookup(struct net *net, struct fib6_table *table, int oif, fn = fib6_node_lookup(&table->tb6_root, &fl6->daddr, &fl6->saddr); saved_fn = fn; - if (fl6->flowi6_flags & FLOWI_FLAG_SKIP_NH_OIF) - oif = 0; - redo_rt6_select: rt6_select(net, fn, oif, res, strict); if (res->f6i == net->ipv6.fib6_null_entry) { @@ -2932,12 +2926,6 @@ INDIRECT_CALLABLE_SCOPE struct rt6_info *__ip6_route_redirect(struct net *net, struct fib6_info *rt; struct fib6_node *fn; - /* l3mdev_update_flow overrides oif if the device is enslaved; in - * this case we must match on the real ingress device, so reset it - */ - if (fl6->flowi6_flags & FLOWI_FLAG_SKIP_NH_OIF) - fl6->flowi6_oif = skb->dev->ifindex; - /* Get the "current" route for this destination and * check if the redirect has come from appropriate router. * diff --git a/net/ipv6/xfrm6_policy.c b/net/ipv6/xfrm6_policy.c index 7c903e0e446c..492b9692c0dc 100644 --- a/net/ipv6/xfrm6_policy.c +++ b/net/ipv6/xfrm6_policy.c @@ -33,8 +33,7 @@ static struct dst_entry *xfrm6_dst_lookup(struct net *net, int tos, int oif, int err; memset(&fl6, 0, sizeof(fl6)); - fl6.flowi6_oif = l3mdev_master_ifindex_by_index(net, oif); - fl6.flowi6_flags = FLOWI_FLAG_SKIP_NH_OIF; + fl6.flowi6_l3mdev = l3mdev_master_ifindex_by_index(net, oif); fl6.flowi6_mark = mark; memcpy(&fl6.daddr, daddr, sizeof(fl6.daddr)); if (saddr) diff --git a/net/l3mdev/l3mdev.c b/net/l3mdev/l3mdev.c index f2c3a61ad134..42794581762c 100644 --- a/net/l3mdev/l3mdev.c +++ b/net/l3mdev/l3mdev.c @@ -249,25 +249,19 @@ int l3mdev_fib_rule_match(struct net *net, struct flowi *fl, struct net_device *dev; int rc = 0; + /* update flow ensures flowi_l3mdev is set when relevant */ + if (!fl->flowi_l3mdev) + return 0; + rcu_read_lock(); - dev = dev_get_by_index_rcu(net, fl->flowi_oif); + dev = dev_get_by_index_rcu(net, fl->flowi_l3mdev); if (dev && netif_is_l3_master(dev) && dev->l3mdev_ops->l3mdev_fib_table) { arg->table = dev->l3mdev_ops->l3mdev_fib_table(dev); rc = 1; - goto out; } - dev = dev_get_by_index_rcu(net, fl->flowi_iif); - if (dev && netif_is_l3_master(dev) && - dev->l3mdev_ops->l3mdev_fib_table) { - arg->table = dev->l3mdev_ops->l3mdev_fib_table(dev); - rc = 1; - goto out; - } - -out: rcu_read_unlock(); return rc; @@ -276,31 +270,28 @@ int l3mdev_fib_rule_match(struct net *net, struct flowi *fl, void l3mdev_update_flow(struct net *net, struct flowi *fl) { struct net_device *dev; - int ifindex; rcu_read_lock(); if (fl->flowi_oif) { dev = dev_get_by_index_rcu(net, fl->flowi_oif); if (dev) { - ifindex = l3mdev_master_ifindex_rcu(dev); - if (ifindex) { - fl->flowi_oif = ifindex; - fl->flowi_flags |= FLOWI_FLAG_SKIP_NH_OIF; - goto out; - } + if (!fl->flowi_l3mdev) + fl->flowi_l3mdev = l3mdev_master_ifindex_rcu(dev); + + /* oif set to L3mdev directs lookup to its table; + * reset to avoid oif match in fib_lookup + */ + if (netif_is_l3_master(dev)) + fl->flowi_oif = 0; + goto out; } } - if (fl->flowi_iif) { + if (fl->flowi_iif > LOOPBACK_IFINDEX && !fl->flowi_l3mdev) { dev = dev_get_by_index_rcu(net, fl->flowi_iif); - if (dev) { - ifindex = l3mdev_master_ifindex_rcu(dev); - if (ifindex) { - fl->flowi_iif = ifindex; - fl->flowi_flags |= FLOWI_FLAG_SKIP_NH_OIF; - } - } + if (dev) + fl->flowi_l3mdev = l3mdev_master_ifindex_rcu(dev); } out: diff --git a/tools/testing/selftests/net/fcnal-test.sh b/tools/testing/selftests/net/fcnal-test.sh index e13b0fb63333..acffe0029fdd 100755 --- a/tools/testing/selftests/net/fcnal-test.sh +++ b/tools/testing/selftests/net/fcnal-test.sh @@ -741,7 +741,7 @@ ipv4_ping_vrf() log_start show_hint "Fails since address on vrf device is out of device scope" run_cmd ping -c1 -w1 -I ${NSA_DEV} ${a} - log_test_addr ${a} $? 1 "ping local, device bind" + log_test_addr ${a} $? 2 "ping local, device bind" done # From 265bf63e2471bed6a6e29daf79406e97b5b78600 Mon Sep 17 00:00:00 2001 From: Xin Long Date: Mon, 7 Oct 2024 12:25:11 -0400 Subject: [PATCH 493/649] sctp: ensure sk_state is set to CLOSED if hashing fails in sctp_listen_start [ Upstream commit 4d5c70e6155d5eae198bade4afeab3c1b15073b6 ] If hashing fails in sctp_listen_start(), the socket remains in the LISTENING state, even though it was not added to the hash table. This can lead to a scenario where a socket appears to be listening without actually being accessible. This patch ensures that if the hashing operation fails, the sk_state is set back to CLOSED before returning an error. Note that there is no need to undo the autobind operation if hashing fails, as the bind port can still be used for next listen() call on the same socket. Fixes: 76c6d988aeb3 ("sctp: add sock_reuseport for the sock in __sctp_hash_endpoint") Reported-by: Marcelo Ricardo Leitner Signed-off-by: Xin Long Acked-by: Marcelo Ricardo Leitner Signed-off-by: David S. Miller Signed-off-by: Sasha Levin --- net/sctp/socket.c | 18 +++++++++++++----- 1 file changed, 13 insertions(+), 5 deletions(-) diff --git a/net/sctp/socket.c b/net/sctp/socket.c index c1b713a26060..f529574aa068 100644 --- a/net/sctp/socket.c +++ b/net/sctp/socket.c @@ -8273,6 +8273,7 @@ static int sctp_listen_start(struct sock *sk, int backlog) struct sctp_endpoint *ep = sp->ep; struct crypto_shash *tfm = NULL; char alg[32]; + int err; /* Allocate HMAC for generating cookie. */ if (!sp->hmac && sp->sctp_hmac_alg) { @@ -8300,18 +8301,25 @@ static int sctp_listen_start(struct sock *sk, int backlog) inet_sk_set_state(sk, SCTP_SS_LISTENING); if (!ep->base.bind_addr.port) { if (sctp_autobind(sk)) { - inet_sk_set_state(sk, SCTP_SS_CLOSED); - return -EAGAIN; + err = -EAGAIN; + goto err; } } else { if (sctp_get_port(sk, inet_sk(sk)->inet_num)) { - inet_sk_set_state(sk, SCTP_SS_CLOSED); - return -EADDRINUSE; + err = -EADDRINUSE; + goto err; } } WRITE_ONCE(sk->sk_max_ack_backlog, backlog); - return sctp_hash_endpoint(ep); + err = sctp_hash_endpoint(ep); + if (err) + goto err; + + return 0; +err: + inet_sk_set_state(sk, SCTP_SS_CLOSED); + return err; } /* From 30d91a478d58cbae3dbaa8224d17d0d839f0d71b Mon Sep 17 00:00:00 2001 From: Eric Dumazet Date: Wed, 9 Oct 2024 18:58:02 +0000 Subject: [PATCH 494/649] ppp: fix ppp_async_encode() illegal access [ Upstream commit 40dddd4b8bd08a69471efd96107a4e1c73fabefc ] syzbot reported an issue in ppp_async_encode() [1] In this case, pppoe_sendmsg() is called with a zero size. Then ppp_async_encode() is called with an empty skb. BUG: KMSAN: uninit-value in ppp_async_encode drivers/net/ppp/ppp_async.c:545 [inline] BUG: KMSAN: uninit-value in ppp_async_push+0xb4f/0x2660 drivers/net/ppp/ppp_async.c:675 ppp_async_encode drivers/net/ppp/ppp_async.c:545 [inline] ppp_async_push+0xb4f/0x2660 drivers/net/ppp/ppp_async.c:675 ppp_async_send+0x130/0x1b0 drivers/net/ppp/ppp_async.c:634 ppp_channel_bridge_input drivers/net/ppp/ppp_generic.c:2280 [inline] ppp_input+0x1f1/0xe60 drivers/net/ppp/ppp_generic.c:2304 pppoe_rcv_core+0x1d3/0x720 drivers/net/ppp/pppoe.c:379 sk_backlog_rcv+0x13b/0x420 include/net/sock.h:1113 __release_sock+0x1da/0x330 net/core/sock.c:3072 release_sock+0x6b/0x250 net/core/sock.c:3626 pppoe_sendmsg+0x2b8/0xb90 drivers/net/ppp/pppoe.c:903 sock_sendmsg_nosec net/socket.c:729 [inline] __sock_sendmsg+0x30f/0x380 net/socket.c:744 ____sys_sendmsg+0x903/0xb60 net/socket.c:2602 ___sys_sendmsg+0x28d/0x3c0 net/socket.c:2656 __sys_sendmmsg+0x3c1/0x960 net/socket.c:2742 __do_sys_sendmmsg net/socket.c:2771 [inline] __se_sys_sendmmsg net/socket.c:2768 [inline] __x64_sys_sendmmsg+0xbc/0x120 net/socket.c:2768 x64_sys_call+0xb6e/0x3ba0 arch/x86/include/generated/asm/syscalls_64.h:308 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xcd/0x1e0 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f Uninit was created at: slab_post_alloc_hook mm/slub.c:4092 [inline] slab_alloc_node mm/slub.c:4135 [inline] kmem_cache_alloc_node_noprof+0x6bf/0xb80 mm/slub.c:4187 kmalloc_reserve+0x13d/0x4a0 net/core/skbuff.c:587 __alloc_skb+0x363/0x7b0 net/core/skbuff.c:678 alloc_skb include/linux/skbuff.h:1322 [inline] sock_wmalloc+0xfe/0x1a0 net/core/sock.c:2732 pppoe_sendmsg+0x3a7/0xb90 drivers/net/ppp/pppoe.c:867 sock_sendmsg_nosec net/socket.c:729 [inline] __sock_sendmsg+0x30f/0x380 net/socket.c:744 ____sys_sendmsg+0x903/0xb60 net/socket.c:2602 ___sys_sendmsg+0x28d/0x3c0 net/socket.c:2656 __sys_sendmmsg+0x3c1/0x960 net/socket.c:2742 __do_sys_sendmmsg net/socket.c:2771 [inline] __se_sys_sendmmsg net/socket.c:2768 [inline] __x64_sys_sendmmsg+0xbc/0x120 net/socket.c:2768 x64_sys_call+0xb6e/0x3ba0 arch/x86/include/generated/asm/syscalls_64.h:308 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xcd/0x1e0 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f CPU: 1 UID: 0 PID: 5411 Comm: syz.1.14 Not tainted 6.12.0-rc1-syzkaller-00165-g360c1f1f24c6 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 Fixes: 1da177e4c3f4 ("Linux-2.6.12-rc2") Reported-by: syzbot+1d121645899e7692f92a@syzkaller.appspotmail.com Signed-off-by: Eric Dumazet Reviewed-by: Simon Horman Link: https://patch.msgid.link/20241009185802.3763282-1-edumazet@google.com Signed-off-by: Jakub Kicinski Signed-off-by: Sasha Levin --- drivers/net/ppp/ppp_async.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/net/ppp/ppp_async.c b/drivers/net/ppp/ppp_async.c index aada8a3c1821..164c11df8192 100644 --- a/drivers/net/ppp/ppp_async.c +++ b/drivers/net/ppp/ppp_async.c @@ -552,7 +552,7 @@ ppp_async_encode(struct asyncppp *ap) * and 7 (code-reject) must be sent as though no options * had been negotiated. */ - islcp = proto == PPP_LCP && 1 <= data[2] && data[2] <= 7; + islcp = proto == PPP_LCP && count >= 3 && 1 <= data[2] && data[2] <= 7; if (i == 0) { if (islcp) From 36b054324d18e51cf466134e13b6fbe3c91f52af Mon Sep 17 00:00:00 2001 From: Eric Dumazet Date: Wed, 9 Oct 2024 09:11:32 +0000 Subject: [PATCH 495/649] slip: make slhc_remember() more robust against malicious packets [ Upstream commit 7d3fce8cbe3a70a1c7c06c9b53696be5d5d8dd5c ] syzbot found that slhc_remember() was missing checks against malicious packets [1]. slhc_remember() only checked the size of the packet was at least 20, which is not good enough. We need to make sure the packet includes the IPv4 and TCP header that are supposed to be carried. Add iph and th pointers to make the code more readable. [1] BUG: KMSAN: uninit-value in slhc_remember+0x2e8/0x7b0 drivers/net/slip/slhc.c:666 slhc_remember+0x2e8/0x7b0 drivers/net/slip/slhc.c:666 ppp_receive_nonmp_frame+0xe45/0x35e0 drivers/net/ppp/ppp_generic.c:2455 ppp_receive_frame drivers/net/ppp/ppp_generic.c:2372 [inline] ppp_do_recv+0x65f/0x40d0 drivers/net/ppp/ppp_generic.c:2212 ppp_input+0x7dc/0xe60 drivers/net/ppp/ppp_generic.c:2327 pppoe_rcv_core+0x1d3/0x720 drivers/net/ppp/pppoe.c:379 sk_backlog_rcv+0x13b/0x420 include/net/sock.h:1113 __release_sock+0x1da/0x330 net/core/sock.c:3072 release_sock+0x6b/0x250 net/core/sock.c:3626 pppoe_sendmsg+0x2b8/0xb90 drivers/net/ppp/pppoe.c:903 sock_sendmsg_nosec net/socket.c:729 [inline] __sock_sendmsg+0x30f/0x380 net/socket.c:744 ____sys_sendmsg+0x903/0xb60 net/socket.c:2602 ___sys_sendmsg+0x28d/0x3c0 net/socket.c:2656 __sys_sendmmsg+0x3c1/0x960 net/socket.c:2742 __do_sys_sendmmsg net/socket.c:2771 [inline] __se_sys_sendmmsg net/socket.c:2768 [inline] __x64_sys_sendmmsg+0xbc/0x120 net/socket.c:2768 x64_sys_call+0xb6e/0x3ba0 arch/x86/include/generated/asm/syscalls_64.h:308 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xcd/0x1e0 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f Uninit was created at: slab_post_alloc_hook mm/slub.c:4091 [inline] slab_alloc_node mm/slub.c:4134 [inline] kmem_cache_alloc_node_noprof+0x6bf/0xb80 mm/slub.c:4186 kmalloc_reserve+0x13d/0x4a0 net/core/skbuff.c:587 __alloc_skb+0x363/0x7b0 net/core/skbuff.c:678 alloc_skb include/linux/skbuff.h:1322 [inline] sock_wmalloc+0xfe/0x1a0 net/core/sock.c:2732 pppoe_sendmsg+0x3a7/0xb90 drivers/net/ppp/pppoe.c:867 sock_sendmsg_nosec net/socket.c:729 [inline] __sock_sendmsg+0x30f/0x380 net/socket.c:744 ____sys_sendmsg+0x903/0xb60 net/socket.c:2602 ___sys_sendmsg+0x28d/0x3c0 net/socket.c:2656 __sys_sendmmsg+0x3c1/0x960 net/socket.c:2742 __do_sys_sendmmsg net/socket.c:2771 [inline] __se_sys_sendmmsg net/socket.c:2768 [inline] __x64_sys_sendmmsg+0xbc/0x120 net/socket.c:2768 x64_sys_call+0xb6e/0x3ba0 arch/x86/include/generated/asm/syscalls_64.h:308 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xcd/0x1e0 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f CPU: 0 UID: 0 PID: 5460 Comm: syz.2.33 Not tainted 6.12.0-rc2-syzkaller-00006-g87d6aab2389e #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 Fixes: b5451d783ade ("slip: Move the SLIP drivers") Reported-by: syzbot+2ada1bc857496353be5a@syzkaller.appspotmail.com Closes: https://lore.kernel.org/netdev/670646db.050a0220.3f80e.0027.GAE@google.com/T/#u Signed-off-by: Eric Dumazet Link: https://patch.msgid.link/20241009091132.2136321-1-edumazet@google.com Signed-off-by: Jakub Kicinski Signed-off-by: Sasha Levin --- drivers/net/slip/slhc.c | 57 ++++++++++++++++++++++++----------------- 1 file changed, 34 insertions(+), 23 deletions(-) diff --git a/drivers/net/slip/slhc.c b/drivers/net/slip/slhc.c index f78ceba42e57..603a29f3905b 100644 --- a/drivers/net/slip/slhc.c +++ b/drivers/net/slip/slhc.c @@ -643,46 +643,57 @@ slhc_uncompress(struct slcompress *comp, unsigned char *icp, int isize) int slhc_remember(struct slcompress *comp, unsigned char *icp, int isize) { - struct cstate *cs; - unsigned ihl; - + const struct tcphdr *th; unsigned char index; + struct iphdr *iph; + struct cstate *cs; + unsigned int ihl; - if(isize < 20) { - /* The packet is shorter than a legal IP header */ + /* The packet is shorter than a legal IP header. + * Also make sure isize is positive. + */ + if (isize < (int)sizeof(struct iphdr)) { +runt: comp->sls_i_runt++; - return slhc_toss( comp ); + return slhc_toss(comp); } + iph = (struct iphdr *)icp; /* Peek at the IP header's IHL field to find its length */ - ihl = icp[0] & 0xf; - if(ihl < 20 / 4){ - /* The IP header length field is too small */ - comp->sls_i_runt++; - return slhc_toss( comp ); - } - index = icp[9]; - icp[9] = IPPROTO_TCP; + ihl = iph->ihl; + /* The IP header length field is too small, + * or packet is shorter than the IP header followed + * by minimal tcp header. + */ + if (ihl < 5 || isize < ihl * 4 + sizeof(struct tcphdr)) + goto runt; + + index = iph->protocol; + iph->protocol = IPPROTO_TCP; if (ip_fast_csum(icp, ihl)) { /* Bad IP header checksum; discard */ comp->sls_i_badcheck++; - return slhc_toss( comp ); + return slhc_toss(comp); } - if(index > comp->rslot_limit) { + if (index > comp->rslot_limit) { comp->sls_i_error++; return slhc_toss(comp); } - + th = (struct tcphdr *)(icp + ihl * 4); + if (th->doff < sizeof(struct tcphdr) / 4) + goto runt; + if (isize < ihl * 4 + th->doff * 4) + goto runt; /* Update local state */ cs = &comp->rstate[comp->recv_current = index]; comp->flags &=~ SLF_TOSS; - memcpy(&cs->cs_ip,icp,20); - memcpy(&cs->cs_tcp,icp + ihl*4,20); + memcpy(&cs->cs_ip, iph, sizeof(*iph)); + memcpy(&cs->cs_tcp, th, sizeof(*th)); if (ihl > 5) - memcpy(cs->cs_ipopt, icp + sizeof(struct iphdr), (ihl - 5) * 4); - if (cs->cs_tcp.doff > 5) - memcpy(cs->cs_tcpopt, icp + ihl*4 + sizeof(struct tcphdr), (cs->cs_tcp.doff - 5) * 4); - cs->cs_hsize = ihl*2 + cs->cs_tcp.doff*2; + memcpy(cs->cs_ipopt, &iph[1], (ihl - 5) * 4); + if (th->doff > 5) + memcpy(cs->cs_tcpopt, &th[1], (th->doff - 5) * 4); + cs->cs_hsize = ihl*2 + th->doff*2; cs->initialized = true; /* Put headers back on packet * Neither header checksum is recalculated From d98558fe26996baf2107169ecfea9e40973add3f Mon Sep 17 00:00:00 2001 From: Phil Sutter Date: Wed, 5 Oct 2022 18:07:05 +0200 Subject: [PATCH 496/649] netfilter: rpfilter/fib: Populate flowic_l3mdev field [ Upstream commit acc641ab95b66b813c1ce856c377a2bbe71e7f52 ] Use the introduced field for correct operation with VRF devices instead of conditionally overwriting flowic_oif. This is a partial revert of commit b575b24b8eee3 ("netfilter: Fix rpfilter dropping vrf packets by mistake"), implementing a simpler solution. Signed-off-by: Phil Sutter Reviewed-by: David Ahern Reviewed-by: Guillaume Nault Signed-off-by: Florian Westphal Stable-dep-of: 05ef7055debc ("netfilter: fib: check correct rtable in vrf setups") Signed-off-by: Sasha Levin --- net/ipv4/netfilter/ipt_rpfilter.c | 2 +- net/ipv4/netfilter/nft_fib_ipv4.c | 2 +- net/ipv6/netfilter/ip6t_rpfilter.c | 9 +++------ net/ipv6/netfilter/nft_fib_ipv6.c | 5 ++--- 4 files changed, 7 insertions(+), 11 deletions(-) diff --git a/net/ipv4/netfilter/ipt_rpfilter.c b/net/ipv4/netfilter/ipt_rpfilter.c index 8cd3224d913e..63f3e8219dd5 100644 --- a/net/ipv4/netfilter/ipt_rpfilter.c +++ b/net/ipv4/netfilter/ipt_rpfilter.c @@ -78,7 +78,7 @@ static bool rpfilter_mt(const struct sk_buff *skb, struct xt_action_param *par) flow.flowi4_mark = info->flags & XT_RPFILTER_VALID_MARK ? skb->mark : 0; flow.flowi4_tos = iph->tos & IPTOS_RT_MASK; flow.flowi4_scope = RT_SCOPE_UNIVERSE; - flow.flowi4_oif = l3mdev_master_ifindex_rcu(xt_in(par)); + flow.flowi4_l3mdev = l3mdev_master_ifindex_rcu(xt_in(par)); return rpfilter_lookup_reverse(xt_net(par), &flow, xt_in(par), info->flags) ^ invert; } diff --git a/net/ipv4/netfilter/nft_fib_ipv4.c b/net/ipv4/netfilter/nft_fib_ipv4.c index 9e6f0f1275e2..22168f12b381 100644 --- a/net/ipv4/netfilter/nft_fib_ipv4.c +++ b/net/ipv4/netfilter/nft_fib_ipv4.c @@ -84,7 +84,7 @@ void nft_fib4_eval(const struct nft_expr *expr, struct nft_regs *regs, oif = NULL; if (priv->flags & NFTA_FIB_F_IIF) - fl4.flowi4_oif = l3mdev_master_ifindex_rcu(oif); + fl4.flowi4_l3mdev = l3mdev_master_ifindex_rcu(oif); if (nft_hook(pkt) == NF_INET_PRE_ROUTING && nft_fib_is_loopback(pkt->skb, nft_in(pkt))) { diff --git a/net/ipv6/netfilter/ip6t_rpfilter.c b/net/ipv6/netfilter/ip6t_rpfilter.c index d800801a5dd2..69d86b040a6a 100644 --- a/net/ipv6/netfilter/ip6t_rpfilter.c +++ b/net/ipv6/netfilter/ip6t_rpfilter.c @@ -37,6 +37,7 @@ static bool rpfilter_lookup_reverse6(struct net *net, const struct sk_buff *skb, bool ret = false; struct flowi6 fl6 = { .flowi6_iif = LOOPBACK_IFINDEX, + .flowi6_l3mdev = l3mdev_master_ifindex_rcu(dev), .flowlabel = (* (__be32 *) iph) & IPV6_FLOWINFO_MASK, .flowi6_proto = iph->nexthdr, .daddr = iph->saddr, @@ -55,9 +56,7 @@ static bool rpfilter_lookup_reverse6(struct net *net, const struct sk_buff *skb, if (rpfilter_addr_linklocal(&iph->saddr)) { lookup_flags |= RT6_LOOKUP_F_IFACE; fl6.flowi6_oif = dev->ifindex; - /* Set flowi6_oif for vrf devices to lookup route in l3mdev domain. */ - } else if (netif_is_l3_master(dev) || netif_is_l3_slave(dev) || - (flags & XT_RPFILTER_LOOSE) == 0) + } else if ((flags & XT_RPFILTER_LOOSE) == 0) fl6.flowi6_oif = dev->ifindex; rt = (void *)ip6_route_lookup(net, &fl6, skb, lookup_flags); @@ -72,9 +71,7 @@ static bool rpfilter_lookup_reverse6(struct net *net, const struct sk_buff *skb, goto out; } - if (rt->rt6i_idev->dev == dev || - l3mdev_master_ifindex_rcu(rt->rt6i_idev->dev) == dev->ifindex || - (flags & XT_RPFILTER_LOOSE)) + if (rt->rt6i_idev->dev == dev || (flags & XT_RPFILTER_LOOSE)) ret = true; out: ip6_rt_put(rt); diff --git a/net/ipv6/netfilter/nft_fib_ipv6.c b/net/ipv6/netfilter/nft_fib_ipv6.c index 602743f6dcee..72a9a04920ab 100644 --- a/net/ipv6/netfilter/nft_fib_ipv6.c +++ b/net/ipv6/netfilter/nft_fib_ipv6.c @@ -37,9 +37,8 @@ static int nft_fib6_flowi_init(struct flowi6 *fl6, const struct nft_fib *priv, if (ipv6_addr_type(&fl6->daddr) & IPV6_ADDR_LINKLOCAL) { lookup_flags |= RT6_LOOKUP_F_IFACE; fl6->flowi6_oif = get_ifindex(dev ? dev : pkt->skb->dev); - } else if ((priv->flags & NFTA_FIB_F_IIF) && - (netif_is_l3_master(dev) || netif_is_l3_slave(dev))) { - fl6->flowi6_oif = dev->ifindex; + } else if (priv->flags & NFTA_FIB_F_IIF) { + fl6->flowi6_l3mdev = l3mdev_master_ifindex_rcu(dev); } if (ipv6_addr_type(&fl6->saddr) & IPV6_ADDR_UNICAST) From 1d5f85f1b7db79c75c9e07d6571ce2a7bdf725c4 Mon Sep 17 00:00:00 2001 From: Huang Ying Date: Thu, 10 Oct 2024 13:33:38 +0800 Subject: [PATCH 497/649] resource: fix region_intersects() vs add_memory_driver_managed() commit b4afe4183ec77f230851ea139d91e5cf2644c68b upstream. On a system with CXL memory, the resource tree (/proc/iomem) related to CXL memory may look like something as follows. 490000000-50fffffff : CXL Window 0 490000000-50fffffff : region0 490000000-50fffffff : dax0.0 490000000-50fffffff : System RAM (kmem) Because drivers/dax/kmem.c calls add_memory_driver_managed() during onlining CXL memory, which makes "System RAM (kmem)" a descendant of "CXL Window X". This confuses region_intersects(), which expects all "System RAM" resources to be at the top level of iomem_resource. This can lead to bugs. For example, when the following command line is executed to write some memory in CXL memory range via /dev/mem, $ dd if=data of=/dev/mem bs=$((1 << 10)) seek=$((0x490000000 >> 10)) count=1 dd: error writing '/dev/mem': Bad address 1+0 records in 0+0 records out 0 bytes copied, 0.0283507 s, 0.0 kB/s the command fails as expected. However, the error code is wrong. It should be "Operation not permitted" instead of "Bad address". More seriously, the /dev/mem permission checking in devmem_is_allowed() passes incorrectly. Although the accessing is prevented later because ioremap() isn't allowed to map system RAM, it is a potential security issue. During command executing, the following warning is reported in the kernel log for calling ioremap() on system RAM. ioremap on RAM at 0x0000000490000000 - 0x0000000490000fff WARNING: CPU: 2 PID: 416 at arch/x86/mm/ioremap.c:216 __ioremap_caller.constprop.0+0x131/0x35d Call Trace: memremap+0xcb/0x184 xlate_dev_mem_ptr+0x25/0x2f write_mem+0x94/0xfb vfs_write+0x128/0x26d ksys_write+0xac/0xfe do_syscall_64+0x9a/0xfd entry_SYSCALL_64_after_hwframe+0x4b/0x53 The details of command execution process are as follows. In the above resource tree, "System RAM" is a descendant of "CXL Window 0" instead of a top level resource. So, region_intersects() will report no System RAM resources in the CXL memory region incorrectly, because it only checks the top level resources. Consequently, devmem_is_allowed() will return 1 (allow access via /dev/mem) for CXL memory region incorrectly. Fortunately, ioremap() doesn't allow to map System RAM and reject the access. So, region_intersects() needs to be fixed to work correctly with the resource tree with "System RAM" not at top level as above. To fix it, if we found a unmatched resource in the top level, we will continue to search matched resources in its descendant resources. So, we will not miss any matched resources in resource tree anymore. In the new implementation, an example resource tree |------------- "CXL Window 0" ------------| |-- "System RAM" --| will behave similar as the following fake resource tree for region_intersects(, IORESOURCE_SYSTEM_RAM, ), |-- "System RAM" --||-- "CXL Window 0a" --| Where "CXL Window 0a" is part of the original "CXL Window 0" that isn't covered by "System RAM". Link: https://lkml.kernel.org/r/20240906030713.204292-2-ying.huang@intel.com Fixes: c221c0b0308f ("device-dax: "Hotplug" persistent memory for use like normal RAM") Signed-off-by: "Huang, Ying" Cc: Dan Williams Cc: David Hildenbrand Cc: Davidlohr Bueso Cc: Jonathan Cameron Cc: Dave Jiang Cc: Alison Schofield Cc: Vishal Verma Cc: Ira Weiny Cc: Alistair Popple Cc: Andy Shevchenko Cc: Bjorn Helgaas Cc: Baoquan He Cc: Signed-off-by: Andrew Morton Signed-off-by: Sasha Levin --- kernel/resource.c | 58 ++++++++++++++++++++++++++++++++++++++++------- 1 file changed, 50 insertions(+), 8 deletions(-) diff --git a/kernel/resource.c b/kernel/resource.c index 100253d4909c..1087f33d70c4 100644 --- a/kernel/resource.c +++ b/kernel/resource.c @@ -539,21 +539,63 @@ EXPORT_SYMBOL_GPL(page_is_ram); int region_intersects(resource_size_t start, size_t size, unsigned long flags, unsigned long desc) { - struct resource res; + resource_size_t ostart, oend; int type = 0; int other = 0; - struct resource *p; + struct resource *p, *dp; + bool is_type, covered; + struct resource res; res.start = start; res.end = start + size - 1; read_lock(&resource_lock); for (p = iomem_resource.child; p ; p = p->sibling) { - bool is_type = (((p->flags & flags) == flags) && - ((desc == IORES_DESC_NONE) || - (desc == p->desc))); - - if (resource_overlaps(p, &res)) - is_type ? type++ : other++; + if (!resource_overlaps(p, &res)) + continue; + is_type = (p->flags & flags) == flags && + (desc == IORES_DESC_NONE || desc == p->desc); + if (is_type) { + type++; + continue; + } + /* + * Continue to search in descendant resources as if the + * matched descendant resources cover some ranges of 'p'. + * + * |------------- "CXL Window 0" ------------| + * |-- "System RAM" --| + * + * will behave similar as the following fake resource + * tree when searching "System RAM". + * + * |-- "System RAM" --||-- "CXL Window 0a" --| + */ + covered = false; + ostart = max(res.start, p->start); + oend = min(res.end, p->end); + for (dp = p->child; dp; dp = next_resource(dp, false)) { + if (!resource_overlaps(dp, &res)) + continue; + is_type = (dp->flags & flags) == flags && + (desc == IORES_DESC_NONE || desc == dp->desc); + if (is_type) { + type++; + /* + * Range from 'ostart' to 'dp->start' + * isn't covered by matched resource. + */ + if (dp->start > ostart) + break; + if (dp->end >= oend) { + covered = true; + break; + } + /* Remove covered range */ + ostart = max(ostart, dp->end + 1); + } + } + if (!covered) + other++; } read_unlock(&resource_lock); From 037145e2a21465c4a1fcae546991f8036ea821b1 Mon Sep 17 00:00:00 2001 From: Guillaume Nault Date: Thu, 13 Oct 2022 16:37:47 +0200 Subject: [PATCH 498/649] netfilter: rpfilter/fib: Set ->flowic_uid correctly for user namespaces. [ Upstream commit 1fcc064b305a1aadeff0d4bff961094d27660acd ] Currently netfilter's rpfilter and fib modules implicitely initialise ->flowic_uid with 0. This is normally the root UID. However, this isn't the case in user namespaces, where user ID 0 is mapped to a different kernel UID. By initialising ->flowic_uid with sock_net_uid(), we get the root UID of the user namespace, thus keeping the same behaviour whether or not we're running in a user namepspace. Note, this is similar to commit 8bcfd0925ef1 ("ipv4: add missing initialization for flowi4_uid"), which fixed the rp_filter sysctl. Fixes: 622ec2c9d524 ("net: core: add UID to flows, rules, and routes") Signed-off-by: Guillaume Nault Signed-off-by: Pablo Neira Ayuso Stable-dep-of: 05ef7055debc ("netfilter: fib: check correct rtable in vrf setups") Signed-off-by: Sasha Levin --- net/ipv4/netfilter/ipt_rpfilter.c | 1 + net/ipv4/netfilter/nft_fib_ipv4.c | 1 + net/ipv6/netfilter/ip6t_rpfilter.c | 1 + net/ipv6/netfilter/nft_fib_ipv6.c | 2 ++ 4 files changed, 5 insertions(+) diff --git a/net/ipv4/netfilter/ipt_rpfilter.c b/net/ipv4/netfilter/ipt_rpfilter.c index 63f3e8219dd5..26b3b0e2adcd 100644 --- a/net/ipv4/netfilter/ipt_rpfilter.c +++ b/net/ipv4/netfilter/ipt_rpfilter.c @@ -79,6 +79,7 @@ static bool rpfilter_mt(const struct sk_buff *skb, struct xt_action_param *par) flow.flowi4_tos = iph->tos & IPTOS_RT_MASK; flow.flowi4_scope = RT_SCOPE_UNIVERSE; flow.flowi4_l3mdev = l3mdev_master_ifindex_rcu(xt_in(par)); + flow.flowi4_uid = sock_net_uid(xt_net(par), NULL); return rpfilter_lookup_reverse(xt_net(par), &flow, xt_in(par), info->flags) ^ invert; } diff --git a/net/ipv4/netfilter/nft_fib_ipv4.c b/net/ipv4/netfilter/nft_fib_ipv4.c index 22168f12b381..0f6a58558bab 100644 --- a/net/ipv4/netfilter/nft_fib_ipv4.c +++ b/net/ipv4/netfilter/nft_fib_ipv4.c @@ -65,6 +65,7 @@ void nft_fib4_eval(const struct nft_expr *expr, struct nft_regs *regs, struct flowi4 fl4 = { .flowi4_scope = RT_SCOPE_UNIVERSE, .flowi4_iif = LOOPBACK_IFINDEX, + .flowi4_uid = sock_net_uid(nft_net(pkt), NULL), }; const struct net_device *oif; const struct net_device *found; diff --git a/net/ipv6/netfilter/ip6t_rpfilter.c b/net/ipv6/netfilter/ip6t_rpfilter.c index 69d86b040a6a..a01d9b842bd0 100644 --- a/net/ipv6/netfilter/ip6t_rpfilter.c +++ b/net/ipv6/netfilter/ip6t_rpfilter.c @@ -40,6 +40,7 @@ static bool rpfilter_lookup_reverse6(struct net *net, const struct sk_buff *skb, .flowi6_l3mdev = l3mdev_master_ifindex_rcu(dev), .flowlabel = (* (__be32 *) iph) & IPV6_FLOWINFO_MASK, .flowi6_proto = iph->nexthdr, + .flowi6_uid = sock_net_uid(net, NULL), .daddr = iph->saddr, }; int lookup_flags; diff --git a/net/ipv6/netfilter/nft_fib_ipv6.c b/net/ipv6/netfilter/nft_fib_ipv6.c index 72a9a04920ab..4239b8056b5b 100644 --- a/net/ipv6/netfilter/nft_fib_ipv6.c +++ b/net/ipv6/netfilter/nft_fib_ipv6.c @@ -62,6 +62,7 @@ static u32 __nft_fib6_eval_type(const struct nft_fib *priv, struct flowi6 fl6 = { .flowi6_iif = LOOPBACK_IFINDEX, .flowi6_proto = pkt->tprot, + .flowi6_uid = sock_net_uid(nft_net(pkt), NULL), }; u32 ret = 0; @@ -159,6 +160,7 @@ void nft_fib6_eval(const struct nft_expr *expr, struct nft_regs *regs, struct flowi6 fl6 = { .flowi6_iif = LOOPBACK_IFINDEX, .flowi6_proto = pkt->tprot, + .flowi6_uid = sock_net_uid(nft_net(pkt), NULL), }; struct rt6_info *rt; int lookup_flags; From ab6bc15e99d7a7ac7eac65e0ce3f8e6bcf5be0f8 Mon Sep 17 00:00:00 2001 From: Guenter Roeck Date: Tue, 1 Oct 2024 11:37:15 -0700 Subject: [PATCH 499/649] hwmon: (tmp513) Add missing dependency on REGMAP_I2C [ Upstream commit 193bc02c664999581a1f38c152f379fce91afc0c ] 0-day reports: drivers/hwmon/tmp513.c:162:21: error: variable 'tmp51x_regmap_config' has initializer but incomplete type 162 | static const struct regmap_config tmp51x_regmap_config = { | ^ struct regmap_config is only available if REGMAP is enabled. Add the missing Kconfig dependency to fix the problem. Reported-by: kernel test robot Closes: https://lore.kernel.org/oe-kbuild-all/202410020246.2cTDDx0X-lkp@intel.com/ Fixes: 59dfa75e5d82 ("hwmon: Add driver for Texas Instruments TMP512/513 sensor chips.") Cc: Eric Tremblay Reviewed-by: Javier Carrasco Signed-off-by: Guenter Roeck Signed-off-by: Sasha Levin --- drivers/hwmon/Kconfig | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/hwmon/Kconfig b/drivers/hwmon/Kconfig index 8a427467a842..a762334084cf 100644 --- a/drivers/hwmon/Kconfig +++ b/drivers/hwmon/Kconfig @@ -1866,6 +1866,7 @@ config SENSORS_TMP421 config SENSORS_TMP513 tristate "Texas Instruments TMP513 and compatibles" depends on I2C + select REGMAP_I2C help If you say yes here you get support for Texas Instruments TMP512, and TMP513 temperature and power supply sensor chips. From 3502b1a297204d140f483916ecb3b9809e86c1ae Mon Sep 17 00:00:00 2001 From: Florian Westphal Date: Wed, 9 Oct 2024 09:19:02 +0200 Subject: [PATCH 500/649] netfilter: fib: check correct rtable in vrf setups [ Upstream commit 05ef7055debc804e8083737402127975e7244fc4 ] We need to init l3mdev unconditionally, else main routing table is searched and incorrect result is returned unless strict (iif keyword) matching is requested. Next patch adds a selftest for this. Fixes: 2a8a7c0eaa87 ("netfilter: nft_fib: Fix for rpath check with VRF devices") Closes: https://bugzilla.netfilter.org/show_bug.cgi?id=1761 Signed-off-by: Florian Westphal Signed-off-by: Pablo Neira Ayuso Signed-off-by: Sasha Levin --- net/ipv4/netfilter/nft_fib_ipv4.c | 4 +--- net/ipv6/netfilter/nft_fib_ipv6.c | 5 +++-- 2 files changed, 4 insertions(+), 5 deletions(-) diff --git a/net/ipv4/netfilter/nft_fib_ipv4.c b/net/ipv4/netfilter/nft_fib_ipv4.c index 0f6a58558bab..273b64e3f2f9 100644 --- a/net/ipv4/netfilter/nft_fib_ipv4.c +++ b/net/ipv4/netfilter/nft_fib_ipv4.c @@ -66,6 +66,7 @@ void nft_fib4_eval(const struct nft_expr *expr, struct nft_regs *regs, .flowi4_scope = RT_SCOPE_UNIVERSE, .flowi4_iif = LOOPBACK_IFINDEX, .flowi4_uid = sock_net_uid(nft_net(pkt), NULL), + .flowi4_l3mdev = l3mdev_master_ifindex_rcu(nft_in(pkt)), }; const struct net_device *oif; const struct net_device *found; @@ -84,9 +85,6 @@ void nft_fib4_eval(const struct nft_expr *expr, struct nft_regs *regs, else oif = NULL; - if (priv->flags & NFTA_FIB_F_IIF) - fl4.flowi4_l3mdev = l3mdev_master_ifindex_rcu(oif); - if (nft_hook(pkt) == NF_INET_PRE_ROUTING && nft_fib_is_loopback(pkt->skb, nft_in(pkt))) { nft_fib_store_result(dest, priv, nft_in(pkt)); diff --git a/net/ipv6/netfilter/nft_fib_ipv6.c b/net/ipv6/netfilter/nft_fib_ipv6.c index 4239b8056b5b..1a08b00aa321 100644 --- a/net/ipv6/netfilter/nft_fib_ipv6.c +++ b/net/ipv6/netfilter/nft_fib_ipv6.c @@ -37,8 +37,6 @@ static int nft_fib6_flowi_init(struct flowi6 *fl6, const struct nft_fib *priv, if (ipv6_addr_type(&fl6->daddr) & IPV6_ADDR_LINKLOCAL) { lookup_flags |= RT6_LOOKUP_F_IFACE; fl6->flowi6_oif = get_ifindex(dev ? dev : pkt->skb->dev); - } else if (priv->flags & NFTA_FIB_F_IIF) { - fl6->flowi6_l3mdev = l3mdev_master_ifindex_rcu(dev); } if (ipv6_addr_type(&fl6->saddr) & IPV6_ADDR_UNICAST) @@ -71,6 +69,8 @@ static u32 __nft_fib6_eval_type(const struct nft_fib *priv, else if (priv->flags & NFTA_FIB_F_OIF) dev = nft_out(pkt); + fl6.flowi6_l3mdev = l3mdev_master_ifindex_rcu(dev); + nft_fib6_flowi_init(&fl6, priv, pkt, dev, iph); if (dev && nf_ipv6_chk_addr(nft_net(pkt), &fl6.daddr, dev, true)) @@ -161,6 +161,7 @@ void nft_fib6_eval(const struct nft_expr *expr, struct nft_regs *regs, .flowi6_iif = LOOPBACK_IFINDEX, .flowi6_proto = pkt->tprot, .flowi6_uid = sock_net_uid(nft_net(pkt), NULL), + .flowi6_l3mdev = l3mdev_master_ifindex_rcu(nft_in(pkt)), }; struct rt6_info *rt; int lookup_flags; From f8dea2fede79c4e02afc81ae7df2a59c88d5e977 Mon Sep 17 00:00:00 2001 From: Selvarasu Ganesan Date: Tue, 17 Sep 2024 04:48:09 +0530 Subject: [PATCH 501/649] usb: dwc3: core: Stop processing of pending events if controller is halted commit 0d410e8913f5cffebcca79ffdd596009d4a13a28 upstream. This commit addresses an issue where events were being processed when the controller was in a halted state. To fix this issue by stop processing the events as the event count was considered stale or invalid when the controller was halted. Fixes: fc8bb91bc83e ("usb: dwc3: implement runtime PM") Cc: stable@kernel.org Signed-off-by: Selvarasu Ganesan Suggested-by: Thinh Nguyen Acked-by: Thinh Nguyen Link: https://lore.kernel.org/r/20240916231813.206-1-selvarasu.g@samsung.com Signed-off-by: Greg Kroah-Hartman --- drivers/usb/dwc3/core.c | 22 +++++++++++++++++++--- drivers/usb/dwc3/core.h | 4 ---- drivers/usb/dwc3/gadget.c | 11 ----------- 3 files changed, 19 insertions(+), 18 deletions(-) diff --git a/drivers/usb/dwc3/core.c b/drivers/usb/dwc3/core.c index b0ce9c1ed450..1264683d45f2 100644 --- a/drivers/usb/dwc3/core.c +++ b/drivers/usb/dwc3/core.c @@ -457,6 +457,7 @@ static int dwc3_alloc_event_buffers(struct dwc3 *dwc, unsigned length) int dwc3_event_buffers_setup(struct dwc3 *dwc) { struct dwc3_event_buffer *evt; + u32 reg; if (!dwc->ev_buf) return 0; @@ -469,8 +470,10 @@ int dwc3_event_buffers_setup(struct dwc3 *dwc) upper_32_bits(evt->dma)); dwc3_writel(dwc->regs, DWC3_GEVNTSIZ(0), DWC3_GEVNTSIZ_SIZE(evt->length)); - dwc3_writel(dwc->regs, DWC3_GEVNTCOUNT(0), 0); + /* Clear any stale event */ + reg = dwc3_readl(dwc->regs, DWC3_GEVNTCOUNT(0)); + dwc3_writel(dwc->regs, DWC3_GEVNTCOUNT(0), reg); return 0; } @@ -497,7 +500,10 @@ void dwc3_event_buffers_cleanup(struct dwc3 *dwc) dwc3_writel(dwc->regs, DWC3_GEVNTADRHI(0), 0); dwc3_writel(dwc->regs, DWC3_GEVNTSIZ(0), DWC3_GEVNTSIZ_INTMASK | DWC3_GEVNTSIZ_SIZE(0)); - dwc3_writel(dwc->regs, DWC3_GEVNTCOUNT(0), 0); + + /* Clear any stale event */ + reg = dwc3_readl(dwc->regs, DWC3_GEVNTCOUNT(0)); + dwc3_writel(dwc->regs, DWC3_GEVNTCOUNT(0), reg); } static int dwc3_alloc_scratch_buffers(struct dwc3 *dwc) @@ -1899,7 +1905,11 @@ static int dwc3_runtime_resume(struct device *dev) switch (dwc->current_dr_role) { case DWC3_GCTL_PRTCAP_DEVICE: - dwc3_gadget_process_pending_events(dwc); + if (dwc->pending_events) { + pm_runtime_put(dwc->dev); + dwc->pending_events = false; + enable_irq(dwc->irq_gadget); + } break; case DWC3_GCTL_PRTCAP_HOST: default: @@ -1986,6 +1996,12 @@ static void dwc3_complete(struct device *dev) static const struct dev_pm_ops dwc3_dev_pm_ops = { SET_SYSTEM_SLEEP_PM_OPS(dwc3_suspend, dwc3_resume) .complete = dwc3_complete, + + /* + * Runtime suspend halts the controller on disconnection. It relies on + * platforms with custom connection notification to start the controller + * again. + */ SET_RUNTIME_PM_OPS(dwc3_runtime_suspend, dwc3_runtime_resume, dwc3_runtime_idle) }; diff --git a/drivers/usb/dwc3/core.h b/drivers/usb/dwc3/core.h index ebe086feb3bb..3649400f04a7 100644 --- a/drivers/usb/dwc3/core.h +++ b/drivers/usb/dwc3/core.h @@ -1532,7 +1532,6 @@ static inline void dwc3_otg_host_init(struct dwc3 *dwc) #if !IS_ENABLED(CONFIG_USB_DWC3_HOST) int dwc3_gadget_suspend(struct dwc3 *dwc); int dwc3_gadget_resume(struct dwc3 *dwc); -void dwc3_gadget_process_pending_events(struct dwc3 *dwc); #else static inline int dwc3_gadget_suspend(struct dwc3 *dwc) { @@ -1544,9 +1543,6 @@ static inline int dwc3_gadget_resume(struct dwc3 *dwc) return 0; } -static inline void dwc3_gadget_process_pending_events(struct dwc3 *dwc) -{ -} #endif /* !IS_ENABLED(CONFIG_USB_DWC3_HOST) */ #if IS_ENABLED(CONFIG_USB_DWC3_ULPI) diff --git a/drivers/usb/dwc3/gadget.c b/drivers/usb/dwc3/gadget.c index 550eae39a63d..da9599d81929 100644 --- a/drivers/usb/dwc3/gadget.c +++ b/drivers/usb/dwc3/gadget.c @@ -4093,14 +4093,3 @@ int dwc3_gadget_resume(struct dwc3 *dwc) err0: return ret; } - -void dwc3_gadget_process_pending_events(struct dwc3 *dwc) -{ - if (dwc->pending_events) { - dwc3_interrupt(dwc->irq_gadget, dwc->ev_buf); - dwc3_thread_interrupt(dwc->irq_gadget, dwc->ev_buf); - pm_runtime_put(dwc->dev); - dwc->pending_events = false; - enable_irq(dwc->irq_gadget); - } -} From 1d7fc802a72554b863354bbdfff308cef01de4c4 Mon Sep 17 00:00:00 2001 From: Jose Alberto Reguero Date: Thu, 19 Sep 2024 20:42:02 +0200 Subject: [PATCH 502/649] usb: xhci: Fix problem with xhci resume from suspend commit d44238d8254a36249d576c96473269dbe500f5e4 upstream. I have a ASUS PN51 S mini pc that has two xhci devices. One from AMD, and other from ASMEDIA. The one from ASMEDIA have problems when resume from suspend, and keep broken until unplug the power cord. I use this kernel parameter: xhci-hcd.quirks=128 and then it works ok. I make a path to reset only the ASMEDIA xhci. Signed-off-by: Jose Alberto Reguero Cc: stable Link: https://lore.kernel.org/r/20240919184202.22249-1-jose.alberto.reguero@gmail.com Signed-off-by: Greg Kroah-Hartman --- drivers/usb/host/xhci-pci.c | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/drivers/usb/host/xhci-pci.c b/drivers/usb/host/xhci-pci.c index 82700a734f8a..ace65992e0da 100644 --- a/drivers/usb/host/xhci-pci.c +++ b/drivers/usb/host/xhci-pci.c @@ -71,6 +71,7 @@ #define PCI_DEVICE_ID_ASMEDIA_1042A_XHCI 0x1142 #define PCI_DEVICE_ID_ASMEDIA_1142_XHCI 0x1242 #define PCI_DEVICE_ID_ASMEDIA_2142_XHCI 0x2142 +#define PCI_DEVICE_ID_ASMEDIA_3042_XHCI 0x3042 #define PCI_DEVICE_ID_ASMEDIA_3242_XHCI 0x3242 static const char hcd_name[] = "xhci_hcd"; @@ -324,6 +325,10 @@ static void xhci_pci_quirks(struct device *dev, struct xhci_hcd *xhci) pdev->device == PCI_DEVICE_ID_ASMEDIA_1042A_XHCI) xhci->quirks |= XHCI_ASMEDIA_MODIFY_FLOWCONTROL; + if (pdev->vendor == PCI_VENDOR_ID_ASMEDIA && + pdev->device == PCI_DEVICE_ID_ASMEDIA_3042_XHCI) + xhci->quirks |= XHCI_RESET_ON_RESUME; + if (pdev->vendor == PCI_VENDOR_ID_TI && pdev->device == 0x8241) xhci->quirks |= XHCI_LIMIT_ENDPOINT_INTERVAL_7; From e7a1d51b39102f5380fcb94cb6299d8971ea34a6 Mon Sep 17 00:00:00 2001 From: Icenowy Zheng Date: Tue, 1 Oct 2024 16:34:07 +0800 Subject: [PATCH 503/649] usb: storage: ignore bogus device raised by JieLi BR21 USB sound chip commit a6555cb1cb69db479d0760e392c175ba32426842 upstream. JieLi tends to use SCSI via USB Mass Storage to implement their own proprietary commands instead of implementing another USB interface. Enumerating it as a generic mass storage device will lead to a Hardware Error sense key get reported. Ignore this bogus device to prevent appearing a unusable sdX device file. Signed-off-by: Icenowy Zheng Cc: stable Acked-by: Alan Stern Link: https://lore.kernel.org/r/20241001083407.8336-1-uwu@icenowy.me Signed-off-by: Greg Kroah-Hartman --- drivers/usb/storage/unusual_devs.h | 11 +++++++++++ 1 file changed, 11 insertions(+) diff --git a/drivers/usb/storage/unusual_devs.h b/drivers/usb/storage/unusual_devs.h index 20dcbccb290b..41c76566d751 100644 --- a/drivers/usb/storage/unusual_devs.h +++ b/drivers/usb/storage/unusual_devs.h @@ -2412,6 +2412,17 @@ UNUSUAL_DEV( 0xc251, 0x4003, 0x0100, 0x0100, USB_SC_DEVICE, USB_PR_DEVICE, NULL, US_FL_NOT_LOCKABLE), +/* + * Reported by Icenowy Zheng + * This is an interface for vendor-specific cryptic commands instead + * of real USB storage device. + */ +UNUSUAL_DEV( 0xe5b7, 0x0811, 0x0100, 0x0100, + "ZhuHai JieLi Technology", + "JieLi BR21", + USB_SC_DEVICE, USB_PR_DEVICE, NULL, + US_FL_IGNORE_DEVICE), + /* Reported by Andrew Simmons */ UNUSUAL_DEV( 0xed06, 0x4500, 0x0001, 0x0001, "DataStor", From 799a06ca7f6acdd70d702d22c99d7d17bc4c478c Mon Sep 17 00:00:00 2001 From: Javier Carrasco Date: Wed, 2 Oct 2024 03:08:08 +0200 Subject: [PATCH 504/649] hwmon: (adm9240) Add missing dependency on REGMAP_I2C [ Upstream commit 14849a2ec175bb8a2280ce20efe002bb19f1e274 ] This driver requires REGMAP_I2C to be selected in order to get access to regmap_config and devm_regmap_init_i2c. Add the missing dependency. Fixes: df885d912f67 ("hwmon: (adm9240) Convert to regmap") Signed-off-by: Javier Carrasco Message-ID: <20241002-hwmon-select-regmap-v1-1-548d03268934@gmail.com> Signed-off-by: Guenter Roeck Signed-off-by: Sasha Levin --- drivers/hwmon/Kconfig | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/hwmon/Kconfig b/drivers/hwmon/Kconfig index a762334084cf..606cb865195f 100644 --- a/drivers/hwmon/Kconfig +++ b/drivers/hwmon/Kconfig @@ -178,6 +178,7 @@ config SENSORS_ADM9240 tristate "Analog Devices ADM9240 and compatibles" depends on I2C select HWMON_VID + select REGMAP_I2C help If you say yes here you get support for Analog Devices ADM9240, Dallas DS1780, National Semiconductor LM81 sensor chips. From fcda074c98de19bc4827c5fff16ef737aca73a53 Mon Sep 17 00:00:00 2001 From: SurajSonawane2415 Date: Fri, 4 Oct 2024 13:29:44 +0530 Subject: [PATCH 505/649] hid: intel-ish-hid: Fix uninitialized variable 'rv' in ish_fw_xfer_direct_dma commit d41bff05a61fb539f21e9bf0d39fac77f457434e upstream. Fix the uninitialized symbol 'rv' in the function ish_fw_xfer_direct_dma to resolve the following warning from the smatch tool: drivers/hid/intel-ish-hid/ishtp-fw-loader.c:714 ish_fw_xfer_direct_dma() error: uninitialized symbol 'rv'. Initialize 'rv' to 0 to prevent undefined behavior from uninitialized access. Cc: stable@vger.kernel.org Fixes: 91b228107da3 ("HID: intel-ish-hid: ISH firmware loader client driver") Signed-off-by: SurajSonawane2415 Link: https://patch.msgid.link/20241004075944.44932-1-surajsonawane0215@gmail.com Signed-off-by: Benjamin Tissoires Signed-off-by: Greg Kroah-Hartman --- drivers/hid/intel-ish-hid/ishtp-fw-loader.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/hid/intel-ish-hid/ishtp-fw-loader.c b/drivers/hid/intel-ish-hid/ishtp-fw-loader.c index b6d6d119035c..1bb5316c2a8b 100644 --- a/drivers/hid/intel-ish-hid/ishtp-fw-loader.c +++ b/drivers/hid/intel-ish-hid/ishtp-fw-loader.c @@ -630,7 +630,7 @@ static int ish_fw_xfer_direct_dma(struct ishtp_cl_data *client_data, const struct firmware *fw, const struct shim_fw_info fw_info) { - int rv; + int rv = 0; void *dma_buf; dma_addr_t dma_buf_phy; u32 fragment_offset, fragment_size, payload_max_size; From 8669bca53fe644d2f04bc4ea80b6cd88af908605 Mon Sep 17 00:00:00 2001 From: Wade Wang Date: Mon, 16 Sep 2024 16:56:00 +0800 Subject: [PATCH 506/649] HID: plantronics: Workaround for an unexcepted opposite volume key commit 87b696209007b7c4ef7bdfe39ea0253404a43770 upstream. Some Plantronics headset as the below send an unexcept opposite volume key's HID report for each volume key press after 200ms, like unecepted Volume Up Key following Volume Down key pressed by user. This patch adds a quirk to hid-plantronics for these devices, which will ignore the second unexcepted opposite volume key if it happens within 220ms from the last one that was handled. Plantronics EncorePro 500 Series (047f:431e) Plantronics Blackwire_3325 Series (047f:430c) The patch was tested on the mentioned model, it shouldn't affect other models, however, this quirk might be needed for them too. Auto-repeat (when a key is held pressed) is not affected per test result. Cc: stable@vger.kernel.org Signed-off-by: Wade Wang Signed-off-by: Jiri Kosina Signed-off-by: Greg Kroah-Hartman --- drivers/hid/hid-ids.h | 2 ++ drivers/hid/hid-plantronics.c | 23 +++++++++++++++++++++++ 2 files changed, 25 insertions(+) diff --git a/drivers/hid/hid-ids.h b/drivers/hid/hid-ids.h index c4e4a24692f6..fd8c68d3ed8e 100644 --- a/drivers/hid/hid-ids.h +++ b/drivers/hid/hid-ids.h @@ -963,6 +963,8 @@ #define USB_DEVICE_ID_PLANTRONICS_BLACKWIRE_3220_SERIES 0xc056 #define USB_DEVICE_ID_PLANTRONICS_BLACKWIRE_3215_SERIES 0xc057 #define USB_DEVICE_ID_PLANTRONICS_BLACKWIRE_3225_SERIES 0xc058 +#define USB_DEVICE_ID_PLANTRONICS_BLACKWIRE_3325_SERIES 0x430c +#define USB_DEVICE_ID_PLANTRONICS_ENCOREPRO_500_SERIES 0x431e #define USB_VENDOR_ID_PANASONIC 0x04da #define USB_DEVICE_ID_PANABOARD_UBT780 0x1044 diff --git a/drivers/hid/hid-plantronics.c b/drivers/hid/hid-plantronics.c index 3d414ae194ac..25cfd964dc25 100644 --- a/drivers/hid/hid-plantronics.c +++ b/drivers/hid/hid-plantronics.c @@ -38,8 +38,10 @@ (usage->hid & HID_USAGE_PAGE) == HID_UP_CONSUMER) #define PLT_QUIRK_DOUBLE_VOLUME_KEYS BIT(0) +#define PLT_QUIRK_FOLLOWED_OPPOSITE_VOLUME_KEYS BIT(1) #define PLT_DOUBLE_KEY_TIMEOUT 5 /* ms */ +#define PLT_FOLLOWED_OPPOSITE_KEY_TIMEOUT 220 /* ms */ struct plt_drv_data { unsigned long device_type; @@ -137,6 +139,21 @@ static int plantronics_event(struct hid_device *hdev, struct hid_field *field, drv_data->last_volume_key_ts = cur_ts; } + if (drv_data->quirks & PLT_QUIRK_FOLLOWED_OPPOSITE_VOLUME_KEYS) { + unsigned long prev_ts, cur_ts; + + /* Usages are filtered in plantronics_usages. */ + + if (!value) /* Handle key presses only. */ + return 0; + + prev_ts = drv_data->last_volume_key_ts; + cur_ts = jiffies; + if (jiffies_to_msecs(cur_ts - prev_ts) <= PLT_FOLLOWED_OPPOSITE_KEY_TIMEOUT) + return 1; /* Ignore the followed opposite volume key. */ + + drv_data->last_volume_key_ts = cur_ts; + } return 0; } @@ -210,6 +227,12 @@ static const struct hid_device_id plantronics_devices[] = { { HID_USB_DEVICE(USB_VENDOR_ID_PLANTRONICS, USB_DEVICE_ID_PLANTRONICS_BLACKWIRE_3225_SERIES), .driver_data = PLT_QUIRK_DOUBLE_VOLUME_KEYS }, + { HID_USB_DEVICE(USB_VENDOR_ID_PLANTRONICS, + USB_DEVICE_ID_PLANTRONICS_BLACKWIRE_3325_SERIES), + .driver_data = PLT_QUIRK_FOLLOWED_OPPOSITE_VOLUME_KEYS }, + { HID_USB_DEVICE(USB_VENDOR_ID_PLANTRONICS, + USB_DEVICE_ID_PLANTRONICS_ENCOREPRO_500_SERIES), + .driver_data = PLT_QUIRK_FOLLOWED_OPPOSITE_VOLUME_KEYS }, { HID_USB_DEVICE(USB_VENDOR_ID_PLANTRONICS, HID_ANY_ID) }, { } }; From 68ad5da6ca630a276f0a5c924179e57724d00013 Mon Sep 17 00:00:00 2001 From: Anastasia Kovaleva Date: Thu, 3 Oct 2024 13:44:31 +0300 Subject: [PATCH 507/649] net: Fix an unsafe loop on the list commit 1dae9f1187189bc09ff6d25ca97ead711f7e26f9 upstream. The kernel may crash when deleting a genetlink family if there are still listeners for that family: Oops: Kernel access of bad area, sig: 11 [#1] ... NIP [c000000000c080bc] netlink_update_socket_mc+0x3c/0xc0 LR [c000000000c0f764] __netlink_clear_multicast_users+0x74/0xc0 Call Trace: __netlink_clear_multicast_users+0x74/0xc0 genl_unregister_family+0xd4/0x2d0 Change the unsafe loop on the list to a safe one, because inside the loop there is an element removal from this list. Fixes: b8273570f802 ("genetlink: fix netns vs. netlink table locking (2)") Cc: stable@vger.kernel.org Signed-off-by: Anastasia Kovaleva Reviewed-by: Dmitry Bogdanov Reviewed-by: Kuniyuki Iwashima Link: https://patch.msgid.link/20241003104431.12391-1-a.kovaleva@yadro.com Signed-off-by: Jakub Kicinski Signed-off-by: Greg Kroah-Hartman --- include/net/sock.h | 2 ++ net/netlink/af_netlink.c | 3 ++- 2 files changed, 4 insertions(+), 1 deletion(-) diff --git a/include/net/sock.h b/include/net/sock.h index 0be681984987..c45958a68978 100644 --- a/include/net/sock.h +++ b/include/net/sock.h @@ -834,6 +834,8 @@ static inline void sk_add_bind_node(struct sock *sk, hlist_for_each_entry_safe(__sk, tmp, list, sk_node) #define sk_for_each_bound(__sk, list) \ hlist_for_each_entry(__sk, list, sk_bind_node) +#define sk_for_each_bound_safe(__sk, tmp, list) \ + hlist_for_each_entry_safe(__sk, tmp, list, sk_bind_node) /** * sk_for_each_entry_offset_rcu - iterate over a list at a given struct offset diff --git a/net/netlink/af_netlink.c b/net/netlink/af_netlink.c index 4f2a3d46554f..bda604b37db0 100644 --- a/net/netlink/af_netlink.c +++ b/net/netlink/af_netlink.c @@ -2155,8 +2155,9 @@ void __netlink_clear_multicast_users(struct sock *ksk, unsigned int group) { struct sock *sk; struct netlink_table *tbl = &nl_table[ksk->sk_protocol]; + struct hlist_node *tmp; - sk_for_each_bound(sk, &tbl->mc_list) + sk_for_each_bound_safe(sk, tmp, &tbl->mc_list) netlink_update_socket_mc(nlk_sk(sk), group, 0); } From a7564b160692b1c21856bf1fbca656b47d14b891 Mon Sep 17 00:00:00 2001 From: Oliver Neukum Date: Mon, 7 Oct 2024 11:39:47 +0200 Subject: [PATCH 508/649] Revert "usb: yurex: Replace snprintf() with the safer scnprintf() variant" commit 71c717cd8a2e180126932cc6851ff21c1d04d69a upstream. This reverts commit 86b20af11e84c26ae3fde4dcc4f490948e3f8035. This patch leads to passing 0 to simple_read_from_buffer() as a fifth argument, turning the read method into a nop. The change is fundamentally flawed, as it breaks the driver. Signed-off-by: Oliver Neukum Cc: stable Link: https://lore.kernel.org/r/20241007094004.242122-1-oneukum@suse.com Signed-off-by: Greg Kroah-Hartman --- drivers/usb/misc/yurex.c | 19 ++++++++----------- 1 file changed, 8 insertions(+), 11 deletions(-) diff --git a/drivers/usb/misc/yurex.c b/drivers/usb/misc/yurex.c index 4eb30089dddf..8bc7c683bf83 100644 --- a/drivers/usb/misc/yurex.c +++ b/drivers/usb/misc/yurex.c @@ -34,8 +34,6 @@ #define YUREX_BUF_SIZE 8 #define YUREX_WRITE_TIMEOUT (HZ*2) -#define MAX_S64_STRLEN 20 /* {-}922337203685477580{7,8} */ - /* table of devices that work with this driver */ static struct usb_device_id yurex_table[] = { { USB_DEVICE(YUREX_VENDOR_ID, YUREX_PRODUCT_ID) }, @@ -402,7 +400,8 @@ static ssize_t yurex_read(struct file *file, char __user *buffer, size_t count, { struct usb_yurex *dev; int len = 0; - char in_buffer[MAX_S64_STRLEN]; + char in_buffer[20]; + unsigned long flags; dev = file->private_data; @@ -412,16 +411,14 @@ static ssize_t yurex_read(struct file *file, char __user *buffer, size_t count, return -ENODEV; } - if (WARN_ON_ONCE(dev->bbu > S64_MAX || dev->bbu < S64_MIN)) { - mutex_unlock(&dev->io_mutex); - return -EIO; - } - - spin_lock_irq(&dev->lock); - scnprintf(in_buffer, MAX_S64_STRLEN, "%lld\n", dev->bbu); - spin_unlock_irq(&dev->lock); + spin_lock_irqsave(&dev->lock, flags); + len = snprintf(in_buffer, 20, "%lld\n", dev->bbu); + spin_unlock_irqrestore(&dev->lock, flags); mutex_unlock(&dev->io_mutex); + if (WARN_ON_ONCE(len >= sizeof(in_buffer))) + return -EIO; + return simple_read_from_buffer(buffer, count, ppos, in_buffer, len); } From 548d0102dc5cd8c034918e1b2bc4272f819b2476 Mon Sep 17 00:00:00 2001 From: Anatolij Gustschin Date: Fri, 4 Oct 2024 13:36:54 +0200 Subject: [PATCH 509/649] net: dsa: lan9303: ensure chip reset and wait for READY status commit 5c14e51d2d7df49fe0d4e64a12c58d2542f452ff upstream. Accessing device registers seems to be not reliable, the chip revision is sometimes detected wrongly (0 instead of expected 1). Ensure that the chip reset is performed via reset GPIO and then wait for 'Device Ready' status in HW_CFG register before doing any register initializations. Cc: stable@vger.kernel.org Fixes: a1292595e006 ("net: dsa: add new DSA switch driver for the SMSC-LAN9303") Signed-off-by: Anatolij Gustschin [alex: reworked using read_poll_timeout()] Signed-off-by: Alexander Sverdlin Reviewed-by: Vladimir Oltean Link: https://patch.msgid.link/20241004113655.3436296-1-alexander.sverdlin@siemens.com Signed-off-by: Jakub Kicinski Signed-off-by: Greg Kroah-Hartman --- drivers/net/dsa/lan9303-core.c | 29 +++++++++++++++++++++++++++++ 1 file changed, 29 insertions(+) diff --git a/drivers/net/dsa/lan9303-core.c b/drivers/net/dsa/lan9303-core.c index f5ab0bff4ac2..6598d019eb7b 100644 --- a/drivers/net/dsa/lan9303-core.c +++ b/drivers/net/dsa/lan9303-core.c @@ -6,6 +6,7 @@ #include #include #include +#include #include #include #include @@ -819,6 +820,8 @@ static void lan9303_handle_reset(struct lan9303 *chip) if (!chip->reset_gpio) return; + gpiod_set_value_cansleep(chip->reset_gpio, 1); + if (chip->reset_duration != 0) msleep(chip->reset_duration); @@ -844,8 +847,34 @@ static int lan9303_disable_processing(struct lan9303 *chip) static int lan9303_check_device(struct lan9303 *chip) { int ret; + int err; u32 reg; + /* In I2C-managed configurations this polling loop will clash with + * switch's reading of EEPROM right after reset and this behaviour is + * not configurable. While lan9303_read() already has quite long retry + * timeout, seems not all cases are being detected as arbitration error. + * + * According to datasheet, EEPROM loader has 30ms timeout (in case of + * missing EEPROM). + * + * Loading of the largest supported EEPROM is expected to take at least + * 5.9s. + */ + err = read_poll_timeout(lan9303_read, ret, + !ret && reg & LAN9303_HW_CFG_READY, + 20000, 6000000, false, + chip->regmap, LAN9303_HW_CFG, ®); + if (ret) { + dev_err(chip->dev, "failed to read HW_CFG reg: %pe\n", + ERR_PTR(ret)); + return ret; + } + if (err) { + dev_err(chip->dev, "HW_CFG not ready: 0x%08x\n", reg); + return err; + } + ret = lan9303_read(chip->regmap, LAN9303_CHIP_REV, ®); if (ret) { dev_err(chip->dev, "failed to read chip revision register: %d\n", From 73f75d2b5aee5a735cf64b8ab4543d5c20dbbdd9 Mon Sep 17 00:00:00 2001 From: Yonatan Maman Date: Tue, 8 Oct 2024 14:59:43 +0300 Subject: [PATCH 510/649] nouveau/dmem: Fix vulnerability in migrate_to_ram upon copy error commit 835745a377a4519decd1a36d6b926e369b3033e2 upstream. The `nouveau_dmem_copy_one` function ensures that the copy push command is sent to the device firmware but does not track whether it was executed successfully. In the case of a copy error (e.g., firmware or hardware failure), the copy push command will be sent via the firmware channel, and `nouveau_dmem_copy_one` will likely report success, leading to the `migrate_to_ram` function returning a dirty HIGH_USER page to the user. This can result in a security vulnerability, as a HIGH_USER page that may contain sensitive or corrupted data could be returned to the user. To prevent this vulnerability, we allocate a zero page. Thus, in case of an error, a non-dirty (zero) page will be returned to the user. Fixes: 5be73b690875 ("drm/nouveau/dmem: device memory helpers for SVM") Signed-off-by: Yonatan Maman Co-developed-by: Gal Shalom Signed-off-by: Gal Shalom Reviewed-by: Ben Skeggs Cc: stable@vger.kernel.org Signed-off-by: Danilo Krummrich Link: https://patchwork.freedesktop.org/patch/msgid/20241008115943.990286-3-ymaman@nvidia.com Signed-off-by: Greg Kroah-Hartman --- drivers/gpu/drm/nouveau/nouveau_dmem.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/gpu/drm/nouveau/nouveau_dmem.c b/drivers/gpu/drm/nouveau/nouveau_dmem.c index 5e72e6cb2f84..56729fc39733 100644 --- a/drivers/gpu/drm/nouveau/nouveau_dmem.c +++ b/drivers/gpu/drm/nouveau/nouveau_dmem.c @@ -149,7 +149,7 @@ static vm_fault_t nouveau_dmem_fault_copy_one(struct nouveau_drm *drm, if (!spage || !(args->src[0] & MIGRATE_PFN_MIGRATE)) return 0; - dpage = alloc_page_vma(GFP_HIGHUSER, vmf->vma, vmf->address); + dpage = alloc_page_vma(GFP_HIGHUSER | __GFP_ZERO, vmf->vma, vmf->address); if (!dpage) return VM_FAULT_SIGBUS; lock_page(dpage); From 4bf1bd3ffff6bd47f5b37b7a37e159c4452fa70c Mon Sep 17 00:00:00 2001 From: Eyal Birger Date: Tue, 22 Mar 2022 06:39:54 +0200 Subject: [PATCH 511/649] net: geneve: add missing netlink policy and size for IFLA_GENEVE_INNER_PROTO_INHERIT commit 36c2e31ad25bd087756b8db9584994d1d80c236b upstream. Add missing netlink attribute policy and size calculation. Also enable strict validation from this new attribute onwards. Fixes: 435fe1c0c1f7 ("net: geneve: support IPv4/IPv6 as inner protocol") Signed-off-by: Eyal Birger Link: https://lore.kernel.org/r/20220322043954.3042468-1-eyal.birger@gmail.com Signed-off-by: Jakub Kicinski Signed-off-by: Greg Kroah-Hartman --- drivers/net/geneve.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/drivers/net/geneve.c b/drivers/net/geneve.c index 420e80417172..d0b7d1b92221 100644 --- a/drivers/net/geneve.c +++ b/drivers/net/geneve.c @@ -1277,6 +1277,7 @@ static void geneve_setup(struct net_device *dev) } static const struct nla_policy geneve_policy[IFLA_GENEVE_MAX + 1] = { + [IFLA_GENEVE_UNSPEC] = { .strict_start_type = IFLA_GENEVE_INNER_PROTO_INHERIT }, [IFLA_GENEVE_ID] = { .type = NLA_U32 }, [IFLA_GENEVE_REMOTE] = { .len = sizeof_field(struct iphdr, daddr) }, [IFLA_GENEVE_REMOTE6] = { .len = sizeof(struct in6_addr) }, @@ -1290,6 +1291,7 @@ static const struct nla_policy geneve_policy[IFLA_GENEVE_MAX + 1] = { [IFLA_GENEVE_UDP_ZERO_CSUM6_RX] = { .type = NLA_U8 }, [IFLA_GENEVE_TTL_INHERIT] = { .type = NLA_U8 }, [IFLA_GENEVE_DF] = { .type = NLA_U8 }, + [IFLA_GENEVE_INNER_PROTO_INHERIT] = { .type = NLA_FLAG }, }; static int geneve_validate(struct nlattr *tb[], struct nlattr *data[], @@ -1795,6 +1797,7 @@ static size_t geneve_get_size(const struct net_device *dev) nla_total_size(sizeof(__u8)) + /* IFLA_GENEVE_UDP_ZERO_CSUM6_TX */ nla_total_size(sizeof(__u8)) + /* IFLA_GENEVE_UDP_ZERO_CSUM6_RX */ nla_total_size(sizeof(__u8)) + /* IFLA_GENEVE_TTL_INHERIT */ + nla_total_size(0) + /* IFLA_GENEVE_INNER_PROTO_INHERIT */ 0; } From 0825c5ff246cb8df5c70cf0331289cf4361dd3ae Mon Sep 17 00:00:00 2001 From: David Ahern Date: Fri, 1 Apr 2022 12:58:37 -0600 Subject: [PATCH 512/649] xfrm: Pass flowi_oif or l3mdev as oif to xfrm_dst_lookup commit 748b82c23e25310fec54e1eff2cb63936f391b24 upstream. The commit referenced in the Fixes tag no longer changes the flow oif to the l3mdev ifindex. A xfrm use case was expecting the flowi_oif to be the VRF if relevant and the change broke that test. Update xfrm_bundle_create to pass oif if set and any potential flowi_l3mdev if oif is not set. Fixes: 40867d74c374 ("net: Add l3mdev index to flow struct and avoid oif reset for port devices") Reported-by: kernel test robot Signed-off-by: David Ahern Signed-off-by: Steffen Klassert Signed-off-by: Greg Kroah-Hartman --- net/xfrm/xfrm_policy.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/net/xfrm/xfrm_policy.c b/net/xfrm/xfrm_policy.c index fadb309b25b4..39910d4eff62 100644 --- a/net/xfrm/xfrm_policy.c +++ b/net/xfrm/xfrm_policy.c @@ -2595,12 +2595,14 @@ static struct dst_entry *xfrm_bundle_create(struct xfrm_policy *policy, if (xfrm[i]->props.mode != XFRM_MODE_TRANSPORT) { __u32 mark = 0; + int oif; if (xfrm[i]->props.smark.v || xfrm[i]->props.smark.m) mark = xfrm_smark_get(fl->flowi_mark, xfrm[i]); family = xfrm[i]->props.family; - dst = xfrm_dst_lookup(xfrm[i], tos, fl->flowi_oif, + oif = fl->flowi_oif ? : fl->flowi_l3mdev; + dst = xfrm_dst_lookup(xfrm[i], tos, oif, &saddr, &daddr, family, mark); err = PTR_ERR(dst); if (IS_ERR(dst)) From ab6c9463b137163ba53fc050bf2c72bed2c997b8 Mon Sep 17 00:00:00 2001 From: David Ahern Date: Wed, 13 Apr 2022 11:43:20 -0600 Subject: [PATCH 513/649] net: Handle l3mdev in ip_tunnel_init_flow commit db53cd3d88dc328dea2e968c9c8d3b4294a8a674 upstream. Ido reported that the commit referenced in the Fixes tag broke a gre use case with dummy devices. Add a check to ip_tunnel_init_flow to see if the oif is an l3mdev port and if so set the oif to 0 to avoid the oif comparison in fib_lookup_good_nhc. Fixes: 40867d74c374 ("net: Add l3mdev index to flow struct and avoid oif reset for port devices") Reported-by: Ido Schimmel Signed-off-by: David Ahern Signed-off-by: Jakub Kicinski Signed-off-by: Greg Kroah-Hartman --- drivers/net/ethernet/mellanox/mlxsw/spectrum_span.c | 2 +- include/net/ip_tunnels.h | 11 +++++++++-- net/ipv4/ip_gre.c | 4 ++-- net/ipv4/ip_tunnel.c | 9 +++++---- 4 files changed, 17 insertions(+), 9 deletions(-) diff --git a/drivers/net/ethernet/mellanox/mlxsw/spectrum_span.c b/drivers/net/ethernet/mellanox/mlxsw/spectrum_span.c index 1892cea05ee7..cdb47486f377 100644 --- a/drivers/net/ethernet/mellanox/mlxsw/spectrum_span.c +++ b/drivers/net/ethernet/mellanox/mlxsw/spectrum_span.c @@ -422,7 +422,7 @@ mlxsw_sp_span_gretap4_route(const struct net_device *to_dev, parms = mlxsw_sp_ipip_netdev_parms4(to_dev); ip_tunnel_init_flow(&fl4, parms.iph.protocol, *daddrp, *saddrp, - 0, 0, parms.link, tun->fwmark, 0); + 0, 0, dev_net(to_dev), parms.link, tun->fwmark, 0); rt = ip_route_output_key(tun->net, &fl4); if (IS_ERR(rt)) diff --git a/include/net/ip_tunnels.h b/include/net/ip_tunnels.h index 9c96c02f45b1..f6cb68c2bead 100644 --- a/include/net/ip_tunnels.h +++ b/include/net/ip_tunnels.h @@ -240,11 +240,18 @@ static inline __be32 tunnel_id_to_key32(__be64 tun_id) static inline void ip_tunnel_init_flow(struct flowi4 *fl4, int proto, __be32 daddr, __be32 saddr, - __be32 key, __u8 tos, int oif, + __be32 key, __u8 tos, + struct net *net, int oif, __u32 mark, __u32 tun_inner_hash) { memset(fl4, 0, sizeof(*fl4)); - fl4->flowi4_oif = oif; + + if (oif) { + fl4->flowi4_l3mdev = l3mdev_master_upper_ifindex_by_index_rcu(net, oif); + /* Legacy VRF/l3mdev use case */ + fl4->flowi4_oif = fl4->flowi4_l3mdev ? 0 : oif; + } + fl4->daddr = daddr; fl4->saddr = saddr; fl4->flowi4_tos = tos; diff --git a/net/ipv4/ip_gre.c b/net/ipv4/ip_gre.c index 9612867b70e9..ae0189828aa9 100644 --- a/net/ipv4/ip_gre.c +++ b/net/ipv4/ip_gre.c @@ -608,8 +608,8 @@ static int gre_fill_metadata_dst(struct net_device *dev, struct sk_buff *skb) key = &info->key; ip_tunnel_init_flow(&fl4, IPPROTO_GRE, key->u.ipv4.dst, key->u.ipv4.src, tunnel_id_to_key32(key->tun_id), - key->tos & ~INET_ECN_MASK, 0, skb->mark, - skb_get_hash(skb)); + key->tos & ~INET_ECN_MASK, dev_net(dev), 0, + skb->mark, skb_get_hash(skb)); rt = ip_route_output_key(dev_net(dev), &fl4); if (IS_ERR(rt)) return PTR_ERR(rt); diff --git a/net/ipv4/ip_tunnel.c b/net/ipv4/ip_tunnel.c index 0953d805cbbe..53cc17b1da34 100644 --- a/net/ipv4/ip_tunnel.c +++ b/net/ipv4/ip_tunnel.c @@ -294,8 +294,8 @@ static int ip_tunnel_bind_dev(struct net_device *dev) ip_tunnel_init_flow(&fl4, iph->protocol, iph->daddr, iph->saddr, tunnel->parms.o_key, - RT_TOS(iph->tos), tunnel->parms.link, - tunnel->fwmark, 0); + RT_TOS(iph->tos), dev_net(dev), + tunnel->parms.link, tunnel->fwmark, 0); rt = ip_route_output_key(tunnel->net, &fl4); if (!IS_ERR(rt)) { @@ -597,7 +597,7 @@ void ip_md_tunnel_xmit(struct sk_buff *skb, struct net_device *dev, } ip_tunnel_init_flow(&fl4, proto, key->u.ipv4.dst, key->u.ipv4.src, tunnel_id_to_key32(key->tun_id), RT_TOS(tos), - 0, skb->mark, skb_get_hash(skb)); + dev_net(dev), 0, skb->mark, skb_get_hash(skb)); if (tunnel->encap.type != TUNNEL_ENCAP_NONE) goto tx_error; @@ -753,7 +753,8 @@ void ip_tunnel_xmit(struct sk_buff *skb, struct net_device *dev, } ip_tunnel_init_flow(&fl4, protocol, dst, tnl_params->saddr, - tunnel->parms.o_key, RT_TOS(tos), tunnel->parms.link, + tunnel->parms.o_key, RT_TOS(tos), + dev_net(dev), tunnel->parms.link, tunnel->fwmark, skb_get_hash(skb)); if (ip_tunnel_encap(skb, tunnel, &protocol, &fl4) < 0) From 3adb1be04f6cd273bbc665396dbc06ec82f1b83a Mon Sep 17 00:00:00 2001 From: Andrea Mayer Date: Wed, 8 Jun 2022 11:19:17 +0200 Subject: [PATCH 514/649] net: seg6: fix seg6_lookup_any_nexthop() to handle VRFs using flowi_l3mdev commit a3bd2102e464202b58d57390a538d96f57ffc361 upstream. Commit 40867d74c374 ("net: Add l3mdev index to flow struct and avoid oif reset for port devices") adds a new entry (flowi_l3mdev) in the common flow struct used for indicating the l3mdev index for later rule and table matching. The l3mdev_update_flow() has been adapted to properly set the flowi_l3mdev based on the flowi_oif/flowi_iif. In fact, when a valid flowi_iif is supplied to the l3mdev_update_flow(), this function can update the flowi_l3mdev entry only if it has not yet been set (i.e., the flowi_l3mdev entry is equal to 0). The SRv6 End.DT6 behavior in VRF mode leverages a VRF device in order to force the routing lookup into the associated routing table. This routing operation is performed by seg6_lookup_any_nextop() preparing a flowi6 data structure used by ip6_route_input_lookup() which, in turn, (indirectly) invokes l3mdev_update_flow(). However, seg6_lookup_any_nexthop() does not initialize the new flowi_l3mdev entry which is filled with random garbage data. This prevents l3mdev_update_flow() from properly updating the flowi_l3mdev with the VRF index, and thus SRv6 End.DT6 (VRF mode)/DT46 behaviors are broken. This patch correctly initializes the flowi6 instance allocated and used by seg6_lookup_any_nexhtop(). Specifically, the entire flowi6 instance is wiped out: in case new entries are added to flowi/flowi6 (as happened with the flowi_l3mdev entry), we should no longer have incorrectly initialized values. As a result of this operation, the value of flowi_l3mdev is also set to 0. The proposed fix can be tested easily. Starting from the commit referenced in the Fixes, selftests [1],[2] indicate that the SRv6 End.DT6 (VRF mode)/DT46 behaviors no longer work correctly. By applying this patch, those behaviors are back to work properly again. [1] - tools/testing/selftests/net/srv6_end_dt46_l3vpn_test.sh [2] - tools/testing/selftests/net/srv6_end_dt6_l3vpn_test.sh Fixes: 40867d74c374 ("net: Add l3mdev index to flow struct and avoid oif reset for port devices") Reported-by: Anton Makarov Signed-off-by: Andrea Mayer Reviewed-by: David Ahern Link: https://lore.kernel.org/r/20220608091917.20345-1-andrea.mayer@uniroma2.it Signed-off-by: Jakub Kicinski Signed-off-by: Greg Kroah-Hartman --- net/ipv6/seg6_local.c | 1 + 1 file changed, 1 insertion(+) diff --git a/net/ipv6/seg6_local.c b/net/ipv6/seg6_local.c index 11f7da4139f6..de0b20cd09f0 100644 --- a/net/ipv6/seg6_local.c +++ b/net/ipv6/seg6_local.c @@ -163,6 +163,7 @@ seg6_lookup_any_nexthop(struct sk_buff *skb, struct in6_addr *nhaddr, struct flowi6 fl6; int dev_flags = 0; + memset(&fl6, 0, sizeof(fl6)); fl6.flowi6_iif = skb->dev->ifindex; fl6.daddr = nhaddr ? *nhaddr : hdr->daddr; fl6.saddr = hdr->saddr; From 95f62e5a783d6db69946a713736b149128bebc7f Mon Sep 17 00:00:00 2001 From: Antoine Tenart Date: Tue, 20 Dec 2022 18:18:25 +0100 Subject: [PATCH 515/649] net: vrf: determine the dst using the original ifindex for multicast commit f2575c8f404911da83f25b688e12afcf4273e640 upstream. Multicast packets received on an interface bound to a VRF are marked as belonging to the VRF and the skb device is updated to point to the VRF device itself. This was fine even when a route was associated to a device as when performing a fib table lookup 'oif' in fib6_table_lookup (coming from 'skb->dev->ifindex' in ip6_route_input) was set to 0 when FLOWI_FLAG_SKIP_NH_OIF was set. With commit 40867d74c374 ("net: Add l3mdev index to flow struct and avoid oif reset for port devices") this is not longer true and multicast traffic is not received on the original interface. Instead of adding back a similar check in fib6_table_lookup determine the dst using the original ifindex for multicast VRF traffic. To make things consistent across the function do the above for all strict packets, which was the logic before commit 6f12fa775530 ("vrf: mark skb for multicast or link-local as enslaved to VRF"). Note that reverting to this behavior should be fine as the change was about marking packets belonging to the VRF, not about their dst. Fixes: 40867d74c374 ("net: Add l3mdev index to flow struct and avoid oif reset for port devices") Reported-by: Jianlin Shi Signed-off-by: Antoine Tenart Reviewed-by: David Ahern Link: https://lore.kernel.org/r/20221220171825.1172237-1-atenart@kernel.org Signed-off-by: Jakub Kicinski Signed-off-by: Greg Kroah-Hartman --- drivers/net/vrf.c | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) diff --git a/drivers/net/vrf.c b/drivers/net/vrf.c index 13ad434643b8..c801185ade2b 100644 --- a/drivers/net/vrf.c +++ b/drivers/net/vrf.c @@ -1336,8 +1336,8 @@ static struct sk_buff *vrf_ip6_rcv(struct net_device *vrf_dev, /* loopback, multicast & non-ND link-local traffic; do not push through * packet taps again. Reset pkt_type for upper layers to process skb. - * For strict packets with a source LLA, determine the dst using the - * original ifindex. + * For non-loopback strict packets, determine the dst using the original + * ifindex. */ if (skb->pkt_type == PACKET_LOOPBACK || (need_strict && !is_ndisc)) { skb->dev = vrf_dev; @@ -1346,7 +1346,7 @@ static struct sk_buff *vrf_ip6_rcv(struct net_device *vrf_dev, if (skb->pkt_type == PACKET_LOOPBACK) skb->pkt_type = PACKET_HOST; - else if (ipv6_addr_type(&ipv6_hdr(skb)->saddr) & IPV6_ADDR_LINKLOCAL) + else vrf_ip6_input_dst(skb, vrf_dev, orig_iif); goto out; From 05cc42d601e75028869ed70e984b9c47f1823270 Mon Sep 17 00:00:00 2001 From: Phil Sutter Date: Thu, 16 Feb 2023 17:05:36 +0100 Subject: [PATCH 516/649] netfilter: ip6t_rpfilter: Fix regression with VRF interfaces commit efb056e5f1f0036179b2f92c1c15f5ea7a891d70 upstream. When calling ip6_route_lookup() for the packet arriving on the VRF interface, the result is always the real (slave) interface. Expect this when validating the result. Fixes: acc641ab95b66 ("netfilter: rpfilter/fib: Populate flowic_l3mdev field") Signed-off-by: Phil Sutter Signed-off-by: Pablo Neira Ayuso Signed-off-by: Greg Kroah-Hartman --- net/ipv6/netfilter/ip6t_rpfilter.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/net/ipv6/netfilter/ip6t_rpfilter.c b/net/ipv6/netfilter/ip6t_rpfilter.c index a01d9b842bd0..67c87a88cde4 100644 --- a/net/ipv6/netfilter/ip6t_rpfilter.c +++ b/net/ipv6/netfilter/ip6t_rpfilter.c @@ -72,7 +72,9 @@ static bool rpfilter_lookup_reverse6(struct net *net, const struct sk_buff *skb, goto out; } - if (rt->rt6i_idev->dev == dev || (flags & XT_RPFILTER_LOOSE)) + if (rt->rt6i_idev->dev == dev || + l3mdev_master_ifindex_rcu(rt->rt6i_idev->dev) == dev->ifindex || + (flags & XT_RPFILTER_LOOSE)) ret = true; out: ip6_rt_put(rt); From 9f76a9d1849d38ab657828f8a4195e234902fb11 Mon Sep 17 00:00:00 2001 From: Yixing Liu Date: Fri, 18 Jun 2021 18:10:12 +0800 Subject: [PATCH 517/649] RDMA/hns: Fix uninitialized variable commit 2a38c0f10e6d7d28e06ff1eb1f350804c4850275 upstream. A random value will be returned if the condition below is not met, so it needs to be initialized. Fixes: 9ea9a53ea93b ("RDMA/hns: Add mapped page count checking for MTR") Link: https://lore.kernel.org/r/1624011020-16992-3-git-send-email-liweihang@huawei.com Signed-off-by: Yixing Liu Signed-off-by: Weihang Li Signed-off-by: Jason Gunthorpe Signed-off-by: Greg Kroah-Hartman --- drivers/infiniband/hw/hns/hns_roce_mr.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/infiniband/hw/hns/hns_roce_mr.c b/drivers/infiniband/hw/hns/hns_roce_mr.c index 5fad718cfdbe..5f038bd5571d 100644 --- a/drivers/infiniband/hw/hns/hns_roce_mr.c +++ b/drivers/infiniband/hw/hns/hns_roce_mr.c @@ -832,7 +832,7 @@ int hns_roce_mtr_map(struct hns_roce_dev *hr_dev, struct hns_roce_mtr *mtr, struct ib_device *ibdev = &hr_dev->ib_dev; struct hns_roce_buf_region *r; unsigned int i, mapped_cnt; - int ret; + int ret = 0; /* * Only use the first page address as root ba when hopnum is 0, this From 9350016415b68761bd8b31aad1e21d7b672ddab9 Mon Sep 17 00:00:00 2001 From: Greg Kroah-Hartman Date: Thu, 17 Oct 2024 12:06:51 +0200 Subject: [PATCH 518/649] net: dsa: microchip: fix build warning In commit 65a9383389db ("net: dsa: microchip: fix initial port flush problem"), the build warning of an unused variable showed up. Fix this by removing the variable entirely. Fixes: 65a9383389db ("net: dsa: microchip: fix initial port flush problem") Signed-off-by: Greg Kroah-Hartman --- drivers/net/dsa/microchip/ksz9477.c | 1 - 1 file changed, 1 deletion(-) diff --git a/drivers/net/dsa/microchip/ksz9477.c b/drivers/net/dsa/microchip/ksz9477.c index 535b64155320..4d0c2be652ae 100644 --- a/drivers/net/dsa/microchip/ksz9477.c +++ b/drivers/net/dsa/microchip/ksz9477.c @@ -195,7 +195,6 @@ static int ksz9477_wait_alu_sta_ready(struct ksz_device *dev) static int ksz9477_reset_switch(struct ksz_device *dev) { - u8 data8; u32 data32; /* reset switch */ From 4911610c7a1fe2fd7ba9319844d2df92d89bb0e1 Mon Sep 17 00:00:00 2001 From: Jan Kara Date: Thu, 30 Nov 2023 10:56:53 +0100 Subject: [PATCH 519/649] ext4: fix warning in ext4_dio_write_end_io() commit 619f75dae2cf117b1d07f27b046b9ffb071c4685 upstream. The syzbot has reported that it can hit the warning in ext4_dio_write_end_io() because i_size < i_disksize. Indeed the reproducer creates a race between DIO IO completion and truncate expanding the file and thus ext4_dio_write_end_io() sees an inconsistent inode state where i_disksize is already updated but i_size is not updated yet. Since we are careful when setting up DIO write and consider it extending (and thus performing the IO synchronously with i_rwsem held exclusively) whenever it goes past either of i_size or i_disksize, we can use the same test during IO completion without risking entering ext4_handle_inode_extension() without i_rwsem held. This way we make it obvious both i_size and i_disksize are large enough when we report DIO completion without relying on unreliable WARN_ON. Reported-by: Fixes: 91562895f803 ("ext4: properly sync file size update after O_SYNC direct IO") Signed-off-by: Jan Kara Reviewed-by: Ritesh Harjani (IBM) Link: https://lore.kernel.org/r/20231130095653.22679-1-jack@suse.cz Signed-off-by: Theodore Ts'o Signed-off-by: Greg Kroah-Hartman --- fs/ext4/file.c | 14 ++++++++------ 1 file changed, 8 insertions(+), 6 deletions(-) diff --git a/fs/ext4/file.c b/fs/ext4/file.c index 62c4073b0e56..c78df91f17da 100644 --- a/fs/ext4/file.c +++ b/fs/ext4/file.c @@ -323,9 +323,10 @@ static void ext4_inode_extension_cleanup(struct inode *inode, bool need_trunc) return; } /* - * If i_disksize got extended due to writeback of delalloc blocks while - * the DIO was running we could fail to cleanup the orphan list in - * ext4_handle_inode_extension(). Do it now. + * If i_disksize got extended either due to writeback of delalloc + * blocks or extending truncate while the DIO was running we could fail + * to cleanup the orphan list in ext4_handle_inode_extension(). Do it + * now. */ if (!list_empty(&EXT4_I(inode)->i_orphan) && inode->i_nlink) { handle_t *handle = ext4_journal_start(inode, EXT4_HT_INODE, 2); @@ -360,10 +361,11 @@ static int ext4_dio_write_end_io(struct kiocb *iocb, ssize_t size, * blocks. But the code in ext4_iomap_alloc() is careful to use * zeroed/unwritten extents if this is possible; thus we won't leave * uninitialized blocks in a file even if we didn't succeed in writing - * as much as we intended. + * as much as we intended. Also we can race with truncate or write + * expanding the file so we have to be a bit careful here. */ - WARN_ON_ONCE(i_size_read(inode) < READ_ONCE(EXT4_I(inode)->i_disksize)); - if (pos + size <= READ_ONCE(EXT4_I(inode)->i_disksize)) + if (pos + size <= READ_ONCE(EXT4_I(inode)->i_disksize) && + pos + size <= i_size_read(inode)) return size; return ext4_handle_inode_extension(inode, pos, size); } From eac1c5bfc13c2b84ddb038dc54c90829e0066e60 Mon Sep 17 00:00:00 2001 From: Greg Kroah-Hartman Date: Thu, 17 Oct 2024 15:08:39 +0200 Subject: [PATCH 520/649] Linux 5.10.227 Link: https://lore.kernel.org/r/20241015123916.821186887@linuxfoundation.org Tested-by: Florian Fainelli Tested-by: Jon Hunter Signed-off-by: Greg Kroah-Hartman --- Makefile | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/Makefile b/Makefile index cf232897553b..87bfb6c78600 100644 --- a/Makefile +++ b/Makefile @@ -1,7 +1,7 @@ # SPDX-License-Identifier: GPL-2.0 VERSION = 5 PATCHLEVEL = 10 -SUBLEVEL = 226 +SUBLEVEL = 227 EXTRAVERSION = NAME = Dare mighty things From 5f47cdeeefd93ad1a61be56e4c9694875d587f60 Mon Sep 17 00:00:00 2001 From: Vasiliy Kovalev Date: Wed, 9 Oct 2024 16:42:48 +0300 Subject: [PATCH 521/649] ALSA: hda/conexant - Fix audio routing for HP EliteOne 1000 G2 commit 9988844c457f6f17fb2e75aa000b6c3b1b673bb9 upstream. There is a problem with simultaneous audio output to headphones and speakers, and when headphones are turned off, the speakers also turn off and do not turn them on. However, it was found that if you boot linux immediately after windows, there are no such problems. When comparing alsa-info, the only difference is the different configuration of Node 0x1d: working conf. (windows): Pin-ctls: 0x80: HP not working (linux): Pin-ctls: 0xc0: OUT HP This patch disable the AC_PINCTL_OUT_EN bit of Node 0x1d and fixes the described problem. Signed-off-by: Vasiliy Kovalev Cc: Link: https://patch.msgid.link/20241009134248.662175-1-kovalev@altlinux.org Signed-off-by: Takashi Iwai Signed-off-by: Greg Kroah-Hartman --- sound/pci/hda/patch_conexant.c | 19 +++++++++++++++++++ 1 file changed, 19 insertions(+) diff --git a/sound/pci/hda/patch_conexant.c b/sound/pci/hda/patch_conexant.c index 4046ce3db4b5..199af020555c 100644 --- a/sound/pci/hda/patch_conexant.c +++ b/sound/pci/hda/patch_conexant.c @@ -234,6 +234,7 @@ enum { CXT_FIXUP_HP_SPECTRE, CXT_FIXUP_HP_GATE_MIC, CXT_FIXUP_MUTE_LED_GPIO, + CXT_FIXUP_HP_ELITEONE_OUT_DIS, CXT_FIXUP_HP_ZBOOK_MUTE_LED, CXT_FIXUP_HEADSET_MIC, CXT_FIXUP_HP_MIC_NO_PRESENCE, @@ -251,6 +252,19 @@ static void cxt_fixup_stereo_dmic(struct hda_codec *codec, spec->gen.inv_dmic_split = 1; } +/* fix widget control pin settings */ +static void cxt_fixup_update_pinctl(struct hda_codec *codec, + const struct hda_fixup *fix, int action) +{ + if (action == HDA_FIXUP_ACT_PROBE) { + /* Unset OUT_EN for this Node pin, leaving only HP_EN. + * This is the value stored in the codec register after + * the correct initialization of the previous windows boot. + */ + snd_hda_set_pin_ctl(codec, 0x1d, AC_PINCTL_HP_EN); + } +} + static void cxt5066_increase_mic_boost(struct hda_codec *codec, const struct hda_fixup *fix, int action) { @@ -902,6 +916,10 @@ static const struct hda_fixup cxt_fixups[] = { .type = HDA_FIXUP_FUNC, .v.func = cxt_fixup_mute_led_gpio, }, + [CXT_FIXUP_HP_ELITEONE_OUT_DIS] = { + .type = HDA_FIXUP_FUNC, + .v.func = cxt_fixup_update_pinctl, + }, [CXT_FIXUP_HP_ZBOOK_MUTE_LED] = { .type = HDA_FIXUP_FUNC, .v.func = cxt_fixup_hp_zbook_mute_led, @@ -992,6 +1010,7 @@ static const struct snd_pci_quirk cxt5066_fixups[] = { SND_PCI_QUIRK(0x103c, 0x83b2, "HP EliteBook 840 G5", CXT_FIXUP_HP_DOCK), SND_PCI_QUIRK(0x103c, 0x83b3, "HP EliteBook 830 G5", CXT_FIXUP_HP_DOCK), SND_PCI_QUIRK(0x103c, 0x83d3, "HP ProBook 640 G4", CXT_FIXUP_HP_DOCK), + SND_PCI_QUIRK(0x103c, 0x83e5, "HP EliteOne 1000 G2", CXT_FIXUP_HP_ELITEONE_OUT_DIS), SND_PCI_QUIRK(0x103c, 0x8402, "HP ProBook 645 G4", CXT_FIXUP_MUTE_LED_GPIO), SND_PCI_QUIRK(0x103c, 0x8427, "HP ZBook Studio G5", CXT_FIXUP_HP_ZBOOK_MUTE_LED), SND_PCI_QUIRK(0x103c, 0x844f, "HP ZBook Studio G5", CXT_FIXUP_HP_ZBOOK_MUTE_LED), From dbe055567af88e8eb37899a22aedf80d48bc0614 Mon Sep 17 00:00:00 2001 From: Wei Fang Date: Fri, 11 Oct 2024 11:01:03 +0800 Subject: [PATCH 522/649] net: enetc: add missing static descriptor and inline keyword commit 1d7b2ce43d2c22a21dadaf689cb36a69570346a6 upstream. Fix the build warnings when CONFIG_FSL_ENETC_MDIO is not enabled. The detailed warnings are shown as follows. include/linux/fsl/enetc_mdio.h:62:18: warning: no previous prototype for function 'enetc_hw_alloc' [-Wmissing-prototypes] 62 | struct enetc_hw *enetc_hw_alloc(struct device *dev, void __iomem *port_regs) | ^ include/linux/fsl/enetc_mdio.h:62:1: note: declare 'static' if the function is not intended to be used outside of this translation unit 62 | struct enetc_hw *enetc_hw_alloc(struct device *dev, void __iomem *port_regs) | ^ | static 8 warnings generated. Fixes: 6517798dd343 ("enetc: Make MDIO accessors more generic and export to include/linux/fsl") Cc: stable@vger.kernel.org Reported-by: kernel test robot Closes: https://lore.kernel.org/oe-kbuild-all/202410102136.jQHZOcS4-lkp@intel.com/ Signed-off-by: Wei Fang Reviewed-by: Claudiu Manoil Reviewed-by: Vladimir Oltean Link: https://patch.msgid.link/20241011030103.392362-1-wei.fang@nxp.com Signed-off-by: Jakub Kicinski Signed-off-by: Greg Kroah-Hartman --- include/linux/fsl/enetc_mdio.h | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/include/linux/fsl/enetc_mdio.h b/include/linux/fsl/enetc_mdio.h index 2d9203314865..b90c4dc50b7d 100644 --- a/include/linux/fsl/enetc_mdio.h +++ b/include/linux/fsl/enetc_mdio.h @@ -48,7 +48,8 @@ static inline int enetc_mdio_read(struct mii_bus *bus, int phy_id, int regnum) static inline int enetc_mdio_write(struct mii_bus *bus, int phy_id, int regnum, u16 value) { return -EINVAL; } -struct enetc_hw *enetc_hw_alloc(struct device *dev, void __iomem *port_regs) +static inline struct enetc_hw *enetc_hw_alloc(struct device *dev, + void __iomem *port_regs) { return ERR_PTR(-EINVAL); } #endif From 673a1c5a2998acbd429d6286e6cad10f17f4f073 Mon Sep 17 00:00:00 2001 From: Jinjie Ruan Date: Wed, 9 Oct 2024 15:23:01 +0800 Subject: [PATCH 523/649] posix-clock: Fix missing timespec64 check in pc_clock_settime() commit d8794ac20a299b647ba9958f6d657051fc51a540 upstream. As Andrew pointed out, it will make sense that the PTP core checked timespec64 struct's tv_sec and tv_nsec range before calling ptp->info->settime64(). As the man manual of clock_settime() said, if tp.tv_sec is negative or tp.tv_nsec is outside the range [0..999,999,999], it should return EINVAL, which include dynamic clocks which handles PTP clock, and the condition is consistent with timespec64_valid(). As Thomas suggested, timespec64_valid() only check the timespec is valid, but not ensure that the time is in a valid range, so check it ahead using timespec64_valid_strict() in pc_clock_settime() and return -EINVAL if not valid. There are some drivers that use tp->tv_sec and tp->tv_nsec directly to write registers without validity checks and assume that the higher layer has checked it, which is dangerous and will benefit from this, such as hclge_ptp_settime(), igb_ptp_settime_i210(), _rcar_gen4_ptp_settime(), and some drivers can remove the checks of itself. Cc: stable@vger.kernel.org Fixes: 0606f422b453 ("posix clocks: Introduce dynamic clocks") Acked-by: Richard Cochran Suggested-by: Andrew Lunn Suggested-by: Thomas Gleixner Signed-off-by: Jinjie Ruan Link: https://patch.msgid.link/20241009072302.1754567-2-ruanjinjie@huawei.com Signed-off-by: Jakub Kicinski Signed-off-by: Greg Kroah-Hartman --- kernel/time/posix-clock.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/kernel/time/posix-clock.c b/kernel/time/posix-clock.c index 77c0c2370b6d..8127673bfc45 100644 --- a/kernel/time/posix-clock.c +++ b/kernel/time/posix-clock.c @@ -299,6 +299,9 @@ static int pc_clock_settime(clockid_t id, const struct timespec64 *ts) goto out; } + if (!timespec64_valid_strict(ts)) + return -EINVAL; + if (cd.clk->ops.clock_settime) err = cd.clk->ops.clock_settime(cd.clk, ts); else From 3728b4eb27910ffedd173018279a970705f2e03a Mon Sep 17 00:00:00 2001 From: Mark Rutland Date: Tue, 8 Oct 2024 16:58:46 +0100 Subject: [PATCH 524/649] arm64: probes: Remove broken LDR (literal) uprobe support commit acc450aa07099d071b18174c22a1119c57da8227 upstream. The simulate_ldr_literal() and simulate_ldrsw_literal() functions are unsafe to use for uprobes. Both functions were originally written for use with kprobes, and access memory with plain C accesses. When uprobes was added, these were reused unmodified even though they cannot safely access user memory. There are three key problems: 1) The plain C accesses do not have corresponding extable entries, and thus if they encounter a fault the kernel will treat these as unintentional accesses to user memory, resulting in a BUG() which will kill the kernel thread, and likely lead to further issues (e.g. lockup or panic()). 2) The plain C accesses are subject to HW PAN and SW PAN, and so when either is in use, any attempt to simulate an access to user memory will fault. Thus neither simulate_ldr_literal() nor simulate_ldrsw_literal() can do anything useful when simulating a user instruction on any system with HW PAN or SW PAN. 3) The plain C accesses are privileged, as they run in kernel context, and in practice can access a small range of kernel virtual addresses. The instructions they simulate have a range of +/-1MiB, and since the simulated instructions must itself be a user instructions in the TTBR0 address range, these can address the final 1MiB of the TTBR1 acddress range by wrapping downwards from an address in the first 1MiB of the TTBR0 address range. In contemporary kernels the last 8MiB of TTBR1 address range is reserved, and accesses to this will always fault, meaning this is no worse than (1). Historically, it was theoretically possible for the linear map or vmemmap to spill into the final 8MiB of the TTBR1 address range, but in practice this is extremely unlikely to occur as this would require either: * Having enough physical memory to fill the entire linear map all the way to the final 1MiB of the TTBR1 address range. * Getting unlucky with KASLR randomization of the linear map such that the populated region happens to overlap with the last 1MiB of the TTBR address range. ... and in either case if we were to spill into the final page there would be larger problems as the final page would alias with error pointers. Practically speaking, (1) and (2) are the big issues. Given there have been no reports of problems since the broken code was introduced, it appears that no-one is relying on probing these instructions with uprobes. Avoid these issues by not allowing uprobes on LDR (literal) and LDRSW (literal), limiting the use of simulate_ldr_literal() and simulate_ldrsw_literal() to kprobes. Attempts to place uprobes on LDR (literal) and LDRSW (literal) will be rejected as arm_probe_decode_insn() will return INSN_REJECTED. In future we can consider introducing working uprobes support for these instructions, but this will require more significant work. Fixes: 9842ceae9fa8 ("arm64: Add uprobe support") Cc: stable@vger.kernel.org Signed-off-by: Mark Rutland Cc: Catalin Marinas Cc: Will Deacon Link: https://lore.kernel.org/r/20241008155851.801546-2-mark.rutland@arm.com Signed-off-by: Will Deacon Signed-off-by: Greg Kroah-Hartman --- arch/arm64/kernel/probes/decode-insn.c | 16 +++++++++++----- 1 file changed, 11 insertions(+), 5 deletions(-) diff --git a/arch/arm64/kernel/probes/decode-insn.c b/arch/arm64/kernel/probes/decode-insn.c index 104101f633b1..492e50a6ddbf 100644 --- a/arch/arm64/kernel/probes/decode-insn.c +++ b/arch/arm64/kernel/probes/decode-insn.c @@ -99,10 +99,6 @@ arm_probe_decode_insn(probe_opcode_t insn, struct arch_probe_insn *api) aarch64_insn_is_blr(insn) || aarch64_insn_is_ret(insn)) { api->handler = simulate_br_blr_ret; - } else if (aarch64_insn_is_ldr_lit(insn)) { - api->handler = simulate_ldr_literal; - } else if (aarch64_insn_is_ldrsw_lit(insn)) { - api->handler = simulate_ldrsw_literal; } else { /* * Instruction cannot be stepped out-of-line and we don't @@ -140,6 +136,17 @@ arm_kprobe_decode_insn(kprobe_opcode_t *addr, struct arch_specific_insn *asi) probe_opcode_t insn = le32_to_cpu(*addr); probe_opcode_t *scan_end = NULL; unsigned long size = 0, offset = 0; + struct arch_probe_insn *api = &asi->api; + + if (aarch64_insn_is_ldr_lit(insn)) { + api->handler = simulate_ldr_literal; + decoded = INSN_GOOD_NO_SLOT; + } else if (aarch64_insn_is_ldrsw_lit(insn)) { + api->handler = simulate_ldrsw_literal; + decoded = INSN_GOOD_NO_SLOT; + } else { + decoded = arm_probe_decode_insn(insn, &asi->api); + } /* * If there's a symbol defined in front of and near enough to @@ -157,7 +164,6 @@ arm_kprobe_decode_insn(kprobe_opcode_t *addr, struct arch_specific_insn *asi) else scan_end = addr - MAX_ATOMIC_CONTEXT_SIZE; } - decoded = arm_probe_decode_insn(insn, &asi->api); if (decoded != INSN_REJECTED && scan_end) if (is_probed_address_atomic(addr - 1, scan_end)) From ce43c48cdc4d31229e91914e61d827c7047ae1d8 Mon Sep 17 00:00:00 2001 From: Mark Rutland Date: Tue, 8 Oct 2024 16:58:47 +0100 Subject: [PATCH 525/649] arm64: probes: Fix simulate_ldr*_literal() commit 50f813e57601c22b6f26ced3193b9b94d70a2640 upstream. The simulate_ldr_literal() code always loads a 64-bit quantity, and when simulating a 32-bit load into a 'W' register, it discards the most significant 32 bits. For big-endian kernels this means that the relevant bits are discarded, and the value returned is the the subsequent 32 bits in memory (i.e. the value at addr + 4). Additionally, simulate_ldr_literal() and simulate_ldrsw_literal() use a plain C load, which the compiler may tear or elide (e.g. if the target is the zero register). Today this doesn't happen to matter, but it may matter in future if trampoline code uses a LDR (literal) or LDRSW (literal). Update simulate_ldr_literal() and simulate_ldrsw_literal() to use an appropriately-sized READ_ONCE() to perform the access, which avoids these problems. Fixes: 39a67d49ba35 ("arm64: kprobes instruction simulation support") Cc: stable@vger.kernel.org Signed-off-by: Mark Rutland Cc: Catalin Marinas Cc: Will Deacon Link: https://lore.kernel.org/r/20241008155851.801546-3-mark.rutland@arm.com Signed-off-by: Will Deacon Signed-off-by: Greg Kroah-Hartman --- arch/arm64/kernel/probes/simulate-insn.c | 18 +++++++----------- 1 file changed, 7 insertions(+), 11 deletions(-) diff --git a/arch/arm64/kernel/probes/simulate-insn.c b/arch/arm64/kernel/probes/simulate-insn.c index 25f67ec59635..7d63423eafc2 100644 --- a/arch/arm64/kernel/probes/simulate-insn.c +++ b/arch/arm64/kernel/probes/simulate-insn.c @@ -170,17 +170,15 @@ simulate_tbz_tbnz(u32 opcode, long addr, struct pt_regs *regs) void __kprobes simulate_ldr_literal(u32 opcode, long addr, struct pt_regs *regs) { - u64 *load_addr; + unsigned long load_addr; int xn = opcode & 0x1f; - int disp; - disp = ldr_displacement(opcode); - load_addr = (u64 *) (addr + disp); + load_addr = addr + ldr_displacement(opcode); if (opcode & (1 << 30)) /* x0-x30 */ - set_x_reg(regs, xn, *load_addr); + set_x_reg(regs, xn, READ_ONCE(*(u64 *)load_addr)); else /* w0-w30 */ - set_w_reg(regs, xn, *load_addr); + set_w_reg(regs, xn, READ_ONCE(*(u32 *)load_addr)); instruction_pointer_set(regs, instruction_pointer(regs) + 4); } @@ -188,14 +186,12 @@ simulate_ldr_literal(u32 opcode, long addr, struct pt_regs *regs) void __kprobes simulate_ldrsw_literal(u32 opcode, long addr, struct pt_regs *regs) { - s32 *load_addr; + unsigned long load_addr; int xn = opcode & 0x1f; - int disp; - disp = ldr_displacement(opcode); - load_addr = (s32 *) (addr + disp); + load_addr = addr + ldr_displacement(opcode); - set_x_reg(regs, xn, *load_addr); + set_x_reg(regs, xn, READ_ONCE(*(s32 *)load_addr)); instruction_pointer_set(regs, instruction_pointer(regs) + 4); } From cafa5942bd2df3d80e3eeb2deb4bc050f7761f3d Mon Sep 17 00:00:00 2001 From: Oleksij Rempel Date: Sun, 13 Oct 2024 07:29:16 +0200 Subject: [PATCH 526/649] net: macb: Avoid 20s boot delay by skipping MDIO bus registration for fixed-link PHY commit d0c3601f2c4e12e7689b0f46ebc17525250ea8c3 upstream. A boot delay was introduced by commit 79540d133ed6 ("net: macb: Fix handling of fixed-link node"). This delay was caused by the call to `mdiobus_register()` in cases where a fixed-link PHY was present. The MDIO bus registration triggered unnecessary PHY address scans, leading to a 20-second delay due to attempts to detect Clause 45 (C45) compatible PHYs, despite no MDIO bus being attached. The commit 79540d133ed6 ("net: macb: Fix handling of fixed-link node") was originally introduced to fix a regression caused by commit 7897b071ac3b4 ("net: macb: convert to phylink"), which caused the driver to misinterpret fixed-link nodes as PHY nodes. This resulted in warnings like: mdio_bus f0028000.ethernet-ffffffff: fixed-link has invalid PHY address mdio_bus f0028000.ethernet-ffffffff: scan phy fixed-link at address 0 ... mdio_bus f0028000.ethernet-ffffffff: scan phy fixed-link at address 31 This patch reworks the logic to avoid registering and allocation of the MDIO bus when: - The device tree contains a fixed-link node. - There is no "mdio" child node in the device tree. If a child node named "mdio" exists, the MDIO bus will be registered to support PHYs attached to the MACB's MDIO bus. Otherwise, with only a fixed-link, the MDIO bus is skipped. Tested on a sama5d35 based system with a ksz8863 switch attached to macb0. Fixes: 79540d133ed6 ("net: macb: Fix handling of fixed-link node") Signed-off-by: Oleksij Rempel Cc: stable@vger.kernel.org Reviewed-by: Andrew Lunn Link: https://patch.msgid.link/20241013052916.3115142-1-o.rempel@pengutronix.de Signed-off-by: Jakub Kicinski Signed-off-by: Greg Kroah-Hartman --- drivers/net/ethernet/cadence/macb_main.c | 14 +++++++++++--- 1 file changed, 11 insertions(+), 3 deletions(-) diff --git a/drivers/net/ethernet/cadence/macb_main.c b/drivers/net/ethernet/cadence/macb_main.c index 70d57ef95fb1..c3a8f6fc05ae 100644 --- a/drivers/net/ethernet/cadence/macb_main.c +++ b/drivers/net/ethernet/cadence/macb_main.c @@ -742,9 +742,6 @@ static int macb_mdiobus_register(struct macb *bp) { struct device_node *child, *np = bp->pdev->dev.of_node; - if (of_phy_is_fixed_link(np)) - return mdiobus_register(bp->mii_bus); - /* Only create the PHY from the device tree if at least one PHY is * described. Otherwise scan the entire MDIO bus. We do this to support * old device tree that did not follow the best practices and did not @@ -765,8 +762,19 @@ static int macb_mdiobus_register(struct macb *bp) static int macb_mii_init(struct macb *bp) { + struct device_node *child, *np = bp->pdev->dev.of_node; int err = -ENXIO; + /* With fixed-link, we don't need to register the MDIO bus, + * except if we have a child named "mdio" in the device tree. + * In that case, some devices may be attached to the MACB's MDIO bus. + */ + child = of_get_child_by_name(np, "mdio"); + if (child) + of_node_put(child); + else if (of_phy_is_fixed_link(np)) + return macb_mii_probe(bp->dev); + /* Enable management port */ macb_writel(bp, NCR, MACB_BIT(MPE)); From bf1a0222229d0d2a545a7620dd8c1f8b1640e924 Mon Sep 17 00:00:00 2001 From: Nianyao Tang Date: Sat, 6 Apr 2024 02:27:37 +0000 Subject: [PATCH 527/649] irqchip/gic-v3-its: Fix VSYNC referencing an unmapped VPE on GIC v4.1 commit 80e9963fb3b5509dfcabe9652d56bf4b35542055 upstream. As per the GICv4.1 spec (Arm IHI 0069H, 5.3.19): "A VMAPP with {V, Alloc}=={0, x} is self-synchronizing, This means the ITS command queue does not show the command as consumed until all of its effects are completed." Furthermore, VSYNC is allowed to deliver an SError when referencing a non existent VPE. By these definitions, a VMAPP followed by a VSYNC is a bug, as the later references a VPE that has been unmapped by the former. Fix it by eliding the VSYNC in this scenario. Fixes: 64edfaa9a234 ("irqchip/gic-v4.1: Implement the v4.1 flavour of VMAPP") Signed-off-by: Nianyao Tang Signed-off-by: Thomas Gleixner Reviewed-by: Marc Zyngier Reviewed-by: Zenghui Yu Link: https://lore.kernel.org/r/20240406022737.3898763-1-tangnianyao@huawei.com Signed-off-by: Greg Kroah-Hartman --- drivers/irqchip/irq-gic-v3-its.c | 8 +++++++- 1 file changed, 7 insertions(+), 1 deletion(-) diff --git a/drivers/irqchip/irq-gic-v3-its.c b/drivers/irqchip/irq-gic-v3-its.c index a9469751720c..6680cb3cd437 100644 --- a/drivers/irqchip/irq-gic-v3-its.c +++ b/drivers/irqchip/irq-gic-v3-its.c @@ -779,6 +779,7 @@ static struct its_vpe *its_build_vmapp_cmd(struct its_node *its, struct its_cmd_block *cmd, struct its_cmd_desc *desc) { + struct its_vpe *vpe = valid_vpe(its, desc->its_vmapp_cmd.vpe); unsigned long vpt_addr, vconf_addr; u64 target; bool alloc; @@ -791,6 +792,11 @@ static struct its_vpe *its_build_vmapp_cmd(struct its_node *its, if (is_v4_1(its)) { alloc = !atomic_dec_return(&desc->its_vmapp_cmd.vpe->vmapp_count); its_encode_alloc(cmd, alloc); + /* + * Unmapping a VPE is self-synchronizing on GICv4.1, + * no need to issue a VSYNC. + */ + vpe = NULL; } goto out; @@ -820,7 +826,7 @@ static struct its_vpe *its_build_vmapp_cmd(struct its_node *its, out: its_fixup_cmd(cmd); - return valid_vpe(its, desc->its_vmapp_cmd.vpe); + return vpe; } static struct its_vpe *its_build_vmapti_cmd(struct its_node *its, From 043f055261638633afd94523568a371fd835b0fa Mon Sep 17 00:00:00 2001 From: OGAWA Hirofumi Date: Fri, 4 Oct 2024 15:03:49 +0900 Subject: [PATCH 528/649] fat: fix uninitialized variable commit 963a7f4d3b90ee195b895ca06b95757fcba02d1a upstream. syszbot produced this with a corrupted fs image. In theory, however an IO error would trigger this also. This affects just an error report, so should not be a serious error. Link: https://lkml.kernel.org/r/87r08wjsnh.fsf@mail.parknet.co.jp Link: https://lkml.kernel.org/r/66ff2c95.050a0220.49194.03e9.GAE@google.com Signed-off-by: OGAWA Hirofumi Reported-by: syzbot+ef0d7bc412553291aa86@syzkaller.appspotmail.com Cc: Signed-off-by: Andrew Morton Signed-off-by: Greg Kroah-Hartman --- fs/fat/namei_vfat.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/fs/fat/namei_vfat.c b/fs/fat/namei_vfat.c index 0cdd0fb9f742..9bc7d1602c15 100644 --- a/fs/fat/namei_vfat.c +++ b/fs/fat/namei_vfat.c @@ -1019,7 +1019,7 @@ static int vfat_rename(struct inode *old_dir, struct dentry *old_dentry, if (corrupt < 0) { fat_fs_error(new_dir->i_sb, "%s: Filesystem corrupted (i_pos %lld)", - __func__, sinfo.i_pos); + __func__, new_i_pos); } goto out; } From 417d5838ca73c6331ae2fe692fab6c25c00d9a0b Mon Sep 17 00:00:00 2001 From: Liu Shixin Date: Tue, 15 Oct 2024 09:45:21 +0800 Subject: [PATCH 529/649] mm/swapfile: skip HugeTLB pages for unuse_vma commit 7528c4fb1237512ee18049f852f014eba80bbe8d upstream. I got a bad pud error and lost a 1GB HugeTLB when calling swapoff. The problem can be reproduced by the following steps: 1. Allocate an anonymous 1GB HugeTLB and some other anonymous memory. 2. Swapout the above anonymous memory. 3. run swapoff and we will get a bad pud error in kernel message: mm/pgtable-generic.c:42: bad pud 00000000743d215d(84000001400000e7) We can tell that pud_clear_bad is called by pud_none_or_clear_bad in unuse_pud_range() by ftrace. And therefore the HugeTLB pages will never be freed because we lost it from page table. We can skip HugeTLB pages for unuse_vma to fix it. Link: https://lkml.kernel.org/r/20241015014521.570237-1-liushixin2@huawei.com Fixes: 0fe6e20b9c4c ("hugetlb, rmap: add reverse mapping for hugepage") Signed-off-by: Liu Shixin Acked-by: Muchun Song Cc: Naoya Horiguchi Cc: Signed-off-by: Andrew Morton Signed-off-by: Greg Kroah-Hartman --- mm/swapfile.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/mm/swapfile.c b/mm/swapfile.c index 4ca1d04d8732..914f599fb49f 100644 --- a/mm/swapfile.c +++ b/mm/swapfile.c @@ -2134,7 +2134,7 @@ static int unuse_mm(struct mm_struct *mm, unsigned int type, mmap_read_lock(mm); for (vma = mm->mmap; vma; vma = vma->vm_next) { - if (vma->anon_vma) { + if (vma->anon_vma && !is_vm_hugetlb_page(vma)) { ret = unuse_vma(vma, type, frontswap, fs_pages_to_unuse); if (ret) From e8e599a635066c50ac214c3e10858f1d37e03022 Mon Sep 17 00:00:00 2001 From: Johannes Berg Date: Tue, 19 Sep 2023 08:34:15 +0200 Subject: [PATCH 530/649] wifi: mac80211: fix potential key use-after-free commit 31db78a4923ef5e2008f2eed321811ca79e7f71b upstream. When ieee80211_key_link() is called by ieee80211_gtk_rekey_add() but returns 0 due to KRACK protection (identical key reinstall), ieee80211_gtk_rekey_add() will still return a pointer into the key, in a potential use-after-free. This normally doesn't happen since it's only called by iwlwifi in case of WoWLAN rekey offload which has its own KRACK protection, but still better to fix, do that by returning an error code and converting that to success on the cfg80211 boundary only, leaving the error for bad callers of ieee80211_gtk_rekey_add(). Reported-by: Dan Carpenter Fixes: fdf7cb4185b6 ("mac80211: accept key reinstall without changing anything") Signed-off-by: Johannes Berg Signed-off-by: Greg Kroah-Hartman Signed-off-by: Sasha Levin [ Sherry: bp to fix CVE-2023-52530, resolved minor conflicts in net/mac80211/cfg.c because of context change due to missing commit 23a5f0af6ff4 ("wifi: mac80211: remove cipher scheme support") ccdde7c74ffd ("wifi: mac80211: properly implement MLO key handling")] Signed-off-by: Sherry Yang Signed-off-by: Greg Kroah-Hartman --- net/mac80211/cfg.c | 3 +++ net/mac80211/key.c | 2 +- 2 files changed, 4 insertions(+), 1 deletion(-) diff --git a/net/mac80211/cfg.c b/net/mac80211/cfg.c index 0c3da7771b48..c8d2fe8fbc0a 100644 --- a/net/mac80211/cfg.c +++ b/net/mac80211/cfg.c @@ -509,6 +509,9 @@ static int ieee80211_add_key(struct wiphy *wiphy, struct net_device *dev, sta->cipher_scheme = cs; err = ieee80211_key_link(key, sdata, sta); + /* KRACK protection, shouldn't happen but just silently accept key */ + if (err == -EALREADY) + err = 0; out_unlock: mutex_unlock(&local->sta_mtx); diff --git a/net/mac80211/key.c b/net/mac80211/key.c index 6a72c33679ba..6b089594a9f3 100644 --- a/net/mac80211/key.c +++ b/net/mac80211/key.c @@ -843,7 +843,7 @@ int ieee80211_key_link(struct ieee80211_key *key, */ if (ieee80211_key_identical(sdata, old_key, key)) { ieee80211_key_free_unused(key); - ret = 0; + ret = -EALREADY; goto out; } From 71fbc3af3dacb26c3aa2f30bb3ab05c44d082c84 Mon Sep 17 00:00:00 2001 From: Breno Leitao Date: Fri, 10 May 2024 02:23:52 -0700 Subject: [PATCH 531/649] KVM: Fix a data race on last_boosted_vcpu in kvm_vcpu_on_spin() commit 49f683b41f28918df3e51ddc0d928cb2e934ccdb upstream. Use {READ,WRITE}_ONCE() to access kvm->last_boosted_vcpu to ensure the loads and stores are atomic. In the extremely unlikely scenario the compiler tears the stores, it's theoretically possible for KVM to attempt to get a vCPU using an out-of-bounds index, e.g. if the write is split into multiple 8-bit stores, and is paired with a 32-bit load on a VM with 257 vCPUs: CPU0 CPU1 last_boosted_vcpu = 0xff; (last_boosted_vcpu = 0x100) last_boosted_vcpu[15:8] = 0x01; i = (last_boosted_vcpu = 0x1ff) last_boosted_vcpu[7:0] = 0x00; vcpu = kvm->vcpu_array[0x1ff]; As detected by KCSAN: BUG: KCSAN: data-race in kvm_vcpu_on_spin [kvm] / kvm_vcpu_on_spin [kvm] write to 0xffffc90025a92344 of 4 bytes by task 4340 on cpu 16: kvm_vcpu_on_spin (arch/x86/kvm/../../../virt/kvm/kvm_main.c:4112) kvm handle_pause (arch/x86/kvm/vmx/vmx.c:5929) kvm_intel vmx_handle_exit (arch/x86/kvm/vmx/vmx.c:? arch/x86/kvm/vmx/vmx.c:6606) kvm_intel vcpu_run (arch/x86/kvm/x86.c:11107 arch/x86/kvm/x86.c:11211) kvm kvm_arch_vcpu_ioctl_run (arch/x86/kvm/x86.c:?) kvm kvm_vcpu_ioctl (arch/x86/kvm/../../../virt/kvm/kvm_main.c:?) kvm __se_sys_ioctl (fs/ioctl.c:52 fs/ioctl.c:904 fs/ioctl.c:890) __x64_sys_ioctl (fs/ioctl.c:890) x64_sys_call (arch/x86/entry/syscall_64.c:33) do_syscall_64 (arch/x86/entry/common.c:?) entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) read to 0xffffc90025a92344 of 4 bytes by task 4342 on cpu 4: kvm_vcpu_on_spin (arch/x86/kvm/../../../virt/kvm/kvm_main.c:4069) kvm handle_pause (arch/x86/kvm/vmx/vmx.c:5929) kvm_intel vmx_handle_exit (arch/x86/kvm/vmx/vmx.c:? arch/x86/kvm/vmx/vmx.c:6606) kvm_intel vcpu_run (arch/x86/kvm/x86.c:11107 arch/x86/kvm/x86.c:11211) kvm kvm_arch_vcpu_ioctl_run (arch/x86/kvm/x86.c:?) kvm kvm_vcpu_ioctl (arch/x86/kvm/../../../virt/kvm/kvm_main.c:?) kvm __se_sys_ioctl (fs/ioctl.c:52 fs/ioctl.c:904 fs/ioctl.c:890) __x64_sys_ioctl (fs/ioctl.c:890) x64_sys_call (arch/x86/entry/syscall_64.c:33) do_syscall_64 (arch/x86/entry/common.c:?) entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) value changed: 0x00000012 -> 0x00000000 Fixes: 217ece6129f2 ("KVM: use yield_to instead of sleep in kvm_vcpu_on_spin") Cc: stable@vger.kernel.org Signed-off-by: Breno Leitao Link: https://lore.kernel.org/r/20240510092353.2261824-1-leitao@debian.org Signed-off-by: Sean Christopherson Signed-off-by: Saeed Mirzamohammadi Signed-off-by: Greg Kroah-Hartman --- virt/kvm/kvm_main.c | 5 +++-- 1 file changed, 3 insertions(+), 2 deletions(-) diff --git a/virt/kvm/kvm_main.c b/virt/kvm/kvm_main.c index b7638c3c9eb7..ef66abe687d7 100644 --- a/virt/kvm/kvm_main.c +++ b/virt/kvm/kvm_main.c @@ -3090,12 +3090,13 @@ void kvm_vcpu_on_spin(struct kvm_vcpu *me, bool yield_to_kernel_mode) { struct kvm *kvm = me->kvm; struct kvm_vcpu *vcpu; - int last_boosted_vcpu = me->kvm->last_boosted_vcpu; + int last_boosted_vcpu; int yielded = 0; int try = 3; int pass; int i; + last_boosted_vcpu = READ_ONCE(kvm->last_boosted_vcpu); kvm_vcpu_set_in_spin_loop(me, true); /* * We boost the priority of a VCPU that is runnable but not @@ -3126,7 +3127,7 @@ void kvm_vcpu_on_spin(struct kvm_vcpu *me, bool yield_to_kernel_mode) yielded = kvm_vcpu_yield_to(vcpu); if (yielded > 0) { - kvm->last_boosted_vcpu = i; + WRITE_ONCE(kvm->last_boosted_vcpu, i); break; } else if (yielded < 0) { try--; From 54a987b41db3ac2953523fd0a640df9b901200a9 Mon Sep 17 00:00:00 2001 From: Felix Moessbauer Date: Thu, 17 Oct 2024 13:50:27 +0200 Subject: [PATCH 532/649] io_uring/sqpoll: do not allow pinning outside of cpuset commit f011c9cf04c06f16b24f583d313d3c012e589e50 upstream. The submit queue polling threads are userland threads that just never exit to the userland. When creating the thread with IORING_SETUP_SQ_AFF, the affinity of the poller thread is set to the cpu specified in sq_thread_cpu. However, this CPU can be outside of the cpuset defined by the cgroup cpuset controller. This violates the rules defined by the cpuset controller and is a potential issue for realtime applications. In b7ed6d8ffd6 we fixed the default affinity of the poller thread, in case no explicit pinning is required by inheriting the one of the creating task. In case of explicit pinning, the check is more complicated, as also a cpu outside of the parent cpumask is allowed. We implemented this by using cpuset_cpus_allowed (that has support for cgroup cpusets) and testing if the requested cpu is in the set. Fixes: 37d1e2e3642e ("io_uring: move SQPOLL thread io-wq forked worker") Signed-off-by: Felix Moessbauer Link: https://lore.kernel.org/r/20240909150036.55921-1-felix.moessbauer@siemens.com Signed-off-by: Jens Axboe Signed-off-by: Greg Kroah-Hartman --- io_uring/io_uring.c | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-) diff --git a/io_uring/io_uring.c b/io_uring/io_uring.c index 47bc8fe2b945..19f73e4e3502 100644 --- a/io_uring/io_uring.c +++ b/io_uring/io_uring.c @@ -56,6 +56,7 @@ #include #include #include +#include #include #include #include @@ -8571,10 +8572,12 @@ static int io_sq_offload_create(struct io_ring_ctx *ctx, return 0; if (p->flags & IORING_SETUP_SQ_AFF) { + struct cpumask allowed_mask; int cpu = p->sq_thread_cpu; ret = -EINVAL; - if (cpu >= nr_cpu_ids || !cpu_online(cpu)) + cpuset_cpus_allowed(current, &allowed_mask); + if (!cpumask_test_cpu(cpu, &allowed_mask)) goto err_sqpoll; sqd->sq_cpu = cpu; } else { From 66b98c4f18b067984a2baac0fa9276bfc78d50b1 Mon Sep 17 00:00:00 2001 From: Jens Axboe Date: Thu, 17 Oct 2024 13:50:28 +0200 Subject: [PATCH 533/649] io_uring/sqpoll: retain test for whether the CPU is valid commit a09c17240bdf2e9fa6d0591afa9448b59785f7d4 upstream. A recent commit ensured that SQPOLL cannot be setup with a CPU that isn't in the current tasks cpuset, but it also dropped testing whether the CPU is valid in the first place. Without that, if a task passes in a CPU value that is too high, the following KASAN splat can get triggered: BUG: KASAN: stack-out-of-bounds in io_sq_offload_create+0x858/0xaa4 Read of size 8 at addr ffff800089bc7b90 by task wq-aff.t/1391 CPU: 4 UID: 1000 PID: 1391 Comm: wq-aff.t Not tainted 6.11.0-rc7-00227-g371c468f4db6 #7080 Hardware name: linux,dummy-virt (DT) Call trace: dump_backtrace.part.0+0xcc/0xe0 show_stack+0x14/0x1c dump_stack_lvl+0x58/0x74 print_report+0x16c/0x4c8 kasan_report+0x9c/0xe4 __asan_report_load8_noabort+0x1c/0x24 io_sq_offload_create+0x858/0xaa4 io_uring_setup+0x1394/0x17c4 __arm64_sys_io_uring_setup+0x6c/0x180 invoke_syscall+0x6c/0x260 el0_svc_common.constprop.0+0x158/0x224 do_el0_svc+0x3c/0x5c el0_svc+0x34/0x70 el0t_64_sync_handler+0x118/0x124 el0t_64_sync+0x168/0x16c The buggy address belongs to stack of task wq-aff.t/1391 and is located at offset 48 in frame: io_sq_offload_create+0x0/0xaa4 This frame has 1 object: [32, 40) 'allowed_mask' The buggy address belongs to the virtual mapping at [ffff800089bc0000, ffff800089bc9000) created by: kernel_clone+0x124/0x7e0 The buggy address belongs to the physical page: page: refcount:1 mapcount:0 mapping:0000000000000000 index:0xffff0000d740af80 pfn:0x11740a memcg:ffff0000c2706f02 flags: 0xbffe00000000000(node=0|zone=2|lastcpupid=0x1fff) raw: 0bffe00000000000 0000000000000000 dead000000000122 0000000000000000 raw: ffff0000d740af80 0000000000000000 00000001ffffffff ffff0000c2706f02 page dumped because: kasan: bad access detected Memory state around the buggy address: ffff800089bc7a80: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ffff800089bc7b00: 00 00 00 00 00 00 00 00 00 00 00 00 f1 f1 f1 f1 >ffff800089bc7b80: 00 f3 f3 f3 00 00 00 00 00 00 00 00 00 00 00 00 ^ ffff800089bc7c00: 00 00 00 00 00 00 00 00 00 00 00 00 f1 f1 f1 f1 ffff800089bc7c80: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 f3 Reported-by: kernel test robot Closes: https://lore.kernel.org/oe-lkp/202409161632.cbeeca0d-lkp@intel.com Fixes: f011c9cf04c0 ("io_uring/sqpoll: do not allow pinning outside of cpuset") Tested-by: Felix Moessbauer Signed-off-by: Jens Axboe Signed-off-by: Felix Moessbauer Signed-off-by: Greg Kroah-Hartman --- io_uring/io_uring.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/io_uring/io_uring.c b/io_uring/io_uring.c index 19f73e4e3502..b670895e5a37 100644 --- a/io_uring/io_uring.c +++ b/io_uring/io_uring.c @@ -8576,6 +8576,8 @@ static int io_sq_offload_create(struct io_ring_ctx *ctx, int cpu = p->sq_thread_cpu; ret = -EINVAL; + if (cpu >= nr_cpu_ids || !cpu_online(cpu)) + goto err_sqpoll; cpuset_cpus_allowed(current, &allowed_mask); if (!cpumask_test_cpu(cpu, &allowed_mask)) goto err_sqpoll; From b12ef2d4dfee3ca13258388868d9b78f3fae1c33 Mon Sep 17 00:00:00 2001 From: Felix Moessbauer Date: Thu, 17 Oct 2024 13:50:29 +0200 Subject: [PATCH 534/649] io_uring/sqpoll: do not put cpumask on stack commit 7f44beadcc11adb98220556d2ddbe9c97aa6d42d upstream. Putting the cpumask on the stack is deprecated for a long time (since 2d3854a37e8), as these can be big. Given that, change the on-stack allocation of allowed_mask to be dynamically allocated. Fixes: f011c9cf04c0 ("io_uring/sqpoll: do not allow pinning outside of cpuset") Signed-off-by: Felix Moessbauer Link: https://lore.kernel.org/r/20240916111150.1266191-1-felix.moessbauer@siemens.com Signed-off-by: Jens Axboe Signed-off-by: Greg Kroah-Hartman --- io_uring/io_uring.c | 13 ++++++++++--- 1 file changed, 10 insertions(+), 3 deletions(-) diff --git a/io_uring/io_uring.c b/io_uring/io_uring.c index b670895e5a37..502a8e201400 100644 --- a/io_uring/io_uring.c +++ b/io_uring/io_uring.c @@ -8572,15 +8572,22 @@ static int io_sq_offload_create(struct io_ring_ctx *ctx, return 0; if (p->flags & IORING_SETUP_SQ_AFF) { - struct cpumask allowed_mask; + cpumask_var_t allowed_mask; int cpu = p->sq_thread_cpu; ret = -EINVAL; if (cpu >= nr_cpu_ids || !cpu_online(cpu)) goto err_sqpoll; - cpuset_cpus_allowed(current, &allowed_mask); - if (!cpumask_test_cpu(cpu, &allowed_mask)) + ret = -ENOMEM; + if (!alloc_cpumask_var(&allowed_mask, GFP_KERNEL)) goto err_sqpoll; + ret = -EINVAL; + cpuset_cpus_allowed(current, allowed_mask); + if (!cpumask_test_cpu(cpu, allowed_mask)) { + free_cpumask_var(allowed_mask); + goto err_sqpoll; + } + free_cpumask_var(allowed_mask); sqd->sq_cpu = cpu; } else { sqd->sq_cpu = -1; From d047095095946451e2d07d8b4493e0578b951bdc Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Thomas=20Wei=C3=9Fschuh?= Date: Mon, 14 Oct 2024 07:50:07 +0200 Subject: [PATCH 535/649] s390/sclp_vt220: Convert newlines to CRLF instead of LFCR MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit commit dee3df68ab4b00fff6bdf9fc39541729af37307c upstream. According to the VT220 specification the possible character combinations sent on RETURN are only CR or CRLF [0]. The Return key sends either a CR character (0/13) or a CR character (0/13) and an LF character (0/10), depending on the set/reset state of line feed/new line mode (LNM). The sclp/vt220 driver however uses LFCR. This can confuse tools, for example the kunit runner. Link: https://vt100.net/docs/vt220-rm/chapter3.html#S3.2 Fixes: 1da177e4c3f4 ("Linux-2.6.12-rc2") Cc: stable@vger.kernel.org Signed-off-by: Thomas Weißschuh Reviewed-by: Sven Schnelle Link: https://lore.kernel.org/r/20241014-s390-kunit-v1-2-941defa765a6@linutronix.de Signed-off-by: Heiko Carstens Signed-off-by: Greg Kroah-Hartman --- drivers/s390/char/sclp_vt220.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/s390/char/sclp_vt220.c b/drivers/s390/char/sclp_vt220.c index 3c2ed6d01387..d574c167c9dc 100644 --- a/drivers/s390/char/sclp_vt220.c +++ b/drivers/s390/char/sclp_vt220.c @@ -325,7 +325,7 @@ sclp_vt220_add_msg(struct sclp_vt220_request *request, buffer = (void *) ((addr_t) sccb + sccb->header.length); if (convertlf) { - /* Perform Linefeed conversion (0x0a -> 0x0a 0x0d)*/ + /* Perform Linefeed conversion (0x0a -> 0x0d 0x0a)*/ for (from=0, to=0; (from < count) && (to < sclp_vt220_space_left(request)); from++) { @@ -334,8 +334,8 @@ sclp_vt220_add_msg(struct sclp_vt220_request *request, /* Perform conversion */ if (c == 0x0a) { if (to + 1 < sclp_vt220_space_left(request)) { - ((unsigned char *) buffer)[to++] = c; ((unsigned char *) buffer)[to++] = 0x0d; + ((unsigned char *) buffer)[to++] = c; } else break; From dfa4b5d4ba1cf7488ff0fa41ac1ddd667c5e3425 Mon Sep 17 00:00:00 2001 From: Michael Mueller Date: Tue, 17 Sep 2024 17:18:34 +0200 Subject: [PATCH 536/649] KVM: s390: Change virtual to physical address access in diag 0x258 handler commit cad4b3d4ab1f062708fff33f44d246853f51e966 upstream. The parameters for the diag 0x258 are real addresses, not virtual, but KVM was using them as virtual addresses. This only happened to work, since the Linux kernel as a guest used to have a 1:1 mapping for physical vs virtual addresses. Fix KVM so that it correctly uses the addresses as real addresses. Cc: stable@vger.kernel.org Fixes: 8ae04b8f500b ("KVM: s390: Guest's memory access functions get access registers") Suggested-by: Vasily Gorbik Signed-off-by: Michael Mueller Signed-off-by: Nico Boehr Reviewed-by: Christian Borntraeger Reviewed-by: Heiko Carstens Link: https://lore.kernel.org/r/20240917151904.74314-3-nrb@linux.ibm.com Acked-by: Janosch Frank Signed-off-by: Heiko Carstens Signed-off-by: Greg Kroah-Hartman --- arch/s390/kvm/diag.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/arch/s390/kvm/diag.c b/arch/s390/kvm/diag.c index 5b8ec1c447e1..01582fb5ad65 100644 --- a/arch/s390/kvm/diag.c +++ b/arch/s390/kvm/diag.c @@ -77,7 +77,7 @@ static int __diag_page_ref_service(struct kvm_vcpu *vcpu) vcpu->stat.diagnose_258++; if (vcpu->run->s.regs.gprs[rx] & 7) return kvm_s390_inject_program_int(vcpu, PGM_SPECIFICATION); - rc = read_guest(vcpu, vcpu->run->s.regs.gprs[rx], rx, &parm, sizeof(parm)); + rc = read_guest_real(vcpu, vcpu->run->s.regs.gprs[rx], &parm, sizeof(parm)); if (rc) return kvm_s390_inject_prog_cond(vcpu, rc); if (parm.parm_version != 2 || parm.parm_len < 5 || parm.code != 0x258) From 77fa26062032908798c23a9270ddac580a11e8c7 Mon Sep 17 00:00:00 2001 From: Jim Mattson Date: Fri, 13 Sep 2024 10:32:27 -0700 Subject: [PATCH 537/649] x86/cpufeatures: Define X86_FEATURE_AMD_IBPB_RET commit ff898623af2ed564300752bba83a680a1e4fec8d upstream. AMD's initial implementation of IBPB did not clear the return address predictor. Beginning with Zen4, AMD's IBPB *does* clear the return address predictor. This behavior is enumerated by CPUID.80000008H:EBX.IBPB_RET[30]. Define X86_FEATURE_AMD_IBPB_RET for use in KVM_GET_SUPPORTED_CPUID, when determining cross-vendor capabilities. Suggested-by: Venkatesh Srinivas Signed-off-by: Jim Mattson Signed-off-by: Borislav Petkov (AMD) Reviewed-by: Tom Lendacky Reviewed-by: Thomas Gleixner Cc: Signed-off-by: Greg Kroah-Hartman --- arch/x86/include/asm/cpufeatures.h | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/arch/x86/include/asm/cpufeatures.h b/arch/x86/include/asm/cpufeatures.h index e1bc2bad8cff..15966b16a8af 100644 --- a/arch/x86/include/asm/cpufeatures.h +++ b/arch/x86/include/asm/cpufeatures.h @@ -217,7 +217,7 @@ #define X86_FEATURE_SPEC_STORE_BYPASS_DISABLE ( 7*32+23) /* "" Disable Speculative Store Bypass. */ #define X86_FEATURE_LS_CFG_SSBD ( 7*32+24) /* "" AMD SSBD implementation via LS_CFG MSR */ #define X86_FEATURE_IBRS ( 7*32+25) /* Indirect Branch Restricted Speculation */ -#define X86_FEATURE_IBPB ( 7*32+26) /* Indirect Branch Prediction Barrier */ +#define X86_FEATURE_IBPB ( 7*32+26) /* "ibpb" Indirect Branch Prediction Barrier without a guaranteed RSB flush */ #define X86_FEATURE_STIBP ( 7*32+27) /* Single Thread Indirect Branch Predictors */ #define X86_FEATURE_ZEN ( 7*32+28) /* "" CPU is AMD family 0x17 or above (Zen) */ #define X86_FEATURE_L1TF_PTEINV ( 7*32+29) /* "" L1TF workaround PTE inversion */ @@ -324,6 +324,7 @@ #define X86_FEATURE_VIRT_SSBD (13*32+25) /* Virtualized Speculative Store Bypass Disable */ #define X86_FEATURE_AMD_SSB_NO (13*32+26) /* "" Speculative Store Bypass is fixed in hardware. */ #define X86_FEATURE_BTC_NO (13*32+29) /* "" Not vulnerable to Branch Type Confusion */ +#define X86_FEATURE_AMD_IBPB_RET (13*32+30) /* "" IBPB clears return address predictor */ /* Thermal and Power Management Leaf, CPUID level 0x00000006 (EAX), word 14 */ #define X86_FEATURE_DTHERM (14*32+ 0) /* Digital Thermal Sensor */ From c5e57863d79053067a6bdb0aaf800513e6eb40b7 Mon Sep 17 00:00:00 2001 From: Johannes Wikner Date: Mon, 23 Sep 2024 20:49:34 +0200 Subject: [PATCH 538/649] x86/cpufeatures: Add a IBPB_NO_RET BUG flag commit 3ea87dfa31a7b0bb0ff1675e67b9e54883013074 upstream. Set this flag if the CPU has an IBPB implementation that does not invalidate return target predictions. Zen generations < 4 do not flush the RSB when executing an IBPB and this bug flag denotes that. [ bp: Massage. ] Signed-off-by: Johannes Wikner Signed-off-by: Borislav Petkov (AMD) Cc: Signed-off-by: Greg Kroah-Hartman --- arch/x86/include/asm/cpufeatures.h | 2 ++ arch/x86/kernel/cpu/common.c | 3 +++ 2 files changed, 5 insertions(+) diff --git a/arch/x86/include/asm/cpufeatures.h b/arch/x86/include/asm/cpufeatures.h index 15966b16a8af..23f563493e81 100644 --- a/arch/x86/include/asm/cpufeatures.h +++ b/arch/x86/include/asm/cpufeatures.h @@ -456,4 +456,6 @@ #define X86_BUG_SRSO X86_BUG(1*32 + 0) /* AMD SRSO bug */ #define X86_BUG_DIV0 X86_BUG(1*32 + 1) /* AMD DIV0 speculation bug */ #define X86_BUG_RFDS X86_BUG(1*32 + 2) /* CPU is vulnerable to Register File Data Sampling */ +#define X86_BUG_BHI X86_BUG(1*32 + 3) /* CPU is affected by Branch History Injection */ +#define X86_BUG_IBPB_NO_RET X86_BUG(1*32 + 4) /* "ibpb_no_ret" IBPB omits return target predictions */ #endif /* _ASM_X86_CPUFEATURES_H */ diff --git a/arch/x86/kernel/cpu/common.c b/arch/x86/kernel/cpu/common.c index a496a9867f4b..bdcf1e9375ee 100644 --- a/arch/x86/kernel/cpu/common.c +++ b/arch/x86/kernel/cpu/common.c @@ -1335,6 +1335,9 @@ static void __init cpu_set_bug_bits(struct cpuinfo_x86 *c) if (vulnerable_to_rfds(ia32_cap)) setup_force_cpu_bug(X86_BUG_RFDS); + if (cpu_has(c, X86_FEATURE_AMD_IBPB) && !cpu_has(c, X86_FEATURE_AMD_IBPB_RET)) + setup_force_cpu_bug(X86_BUG_IBPB_NO_RET); + if (cpu_matches(cpu_vuln_whitelist, NO_MELTDOWN)) return; From 0ab77a47e3ff18889ebdb377b7ce9857008d9e80 Mon Sep 17 00:00:00 2001 From: Johannes Wikner Date: Mon, 23 Sep 2024 20:49:36 +0200 Subject: [PATCH 539/649] x86/entry: Have entry_ibpb() invalidate return predictions commit 50e4b3b94090babe8d4bb85c95f0d3e6b07ea86e upstream. entry_ibpb() should invalidate all indirect predictions, including return target predictions. Not all IBPB implementations do this, in which case the fallback is RSB filling. Prevent SRSO-style hijacks of return predictions following IBPB, as the return target predictor can be corrupted before the IBPB completes. [ bp: Massage. ] Signed-off-by: Johannes Wikner Signed-off-by: Borislav Petkov (AMD) Cc: Signed-off-by: Greg Kroah-Hartman --- arch/x86/entry/entry.S | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/arch/x86/entry/entry.S b/arch/x86/entry/entry.S index 09e99d13fc0b..f4419afc7147 100644 --- a/arch/x86/entry/entry.S +++ b/arch/x86/entry/entry.S @@ -9,6 +9,8 @@ #include #include #include +#include +#include .pushsection .noinstr.text, "ax" @@ -17,6 +19,9 @@ SYM_FUNC_START(entry_ibpb) movl $PRED_CMD_IBPB, %eax xorl %edx, %edx wrmsr + + /* Make sure IBPB clears return stack preductions too. */ + FILL_RETURN_BUFFER %rax, RSB_CLEAR_LOOPS, X86_BUG_IBPB_NO_RET RET SYM_FUNC_END(entry_ibpb) /* For KVM */ From e7c0f8ca3bddef44aaab2aafc22c64d0e0f66165 Mon Sep 17 00:00:00 2001 From: Johannes Wikner Date: Tue, 8 Oct 2024 12:36:30 +0200 Subject: [PATCH 540/649] x86/bugs: Skip RSB fill at VMEXIT commit 0fad2878642ec46225af2054564932745ac5c765 upstream. entry_ibpb() is designed to follow Intel's IBPB specification regardless of CPU. This includes invalidating RSB entries. Hence, if IBPB on VMEXIT has been selected, entry_ibpb() as part of the RET untraining in the VMEXIT path will take care of all BTB and RSB clearing so there's no need to explicitly fill the RSB anymore. [ bp: Massage commit message. ] Suggested-by: Borislav Petkov Signed-off-by: Johannes Wikner Cc: Signed-off-by: Greg Kroah-Hartman --- arch/x86/kernel/cpu/bugs.c | 15 +++++++++++++++ 1 file changed, 15 insertions(+) diff --git a/arch/x86/kernel/cpu/bugs.c b/arch/x86/kernel/cpu/bugs.c index d6e14190cf80..23f884a5d12c 100644 --- a/arch/x86/kernel/cpu/bugs.c +++ b/arch/x86/kernel/cpu/bugs.c @@ -1062,6 +1062,14 @@ static void __init retbleed_select_mitigation(void) case RETBLEED_MITIGATION_IBPB: setup_force_cpu_cap(X86_FEATURE_ENTRY_IBPB); mitigate_smt = true; + + /* + * There is no need for RSB filling: entry_ibpb() ensures + * all predictions, including the RSB, are invalidated, + * regardless of IBPB implementation. + */ + setup_clear_cpu_cap(X86_FEATURE_RSB_VMEXIT); + break; default: @@ -2465,6 +2473,13 @@ static void __init srso_select_mitigation(void) if (!boot_cpu_has(X86_FEATURE_ENTRY_IBPB) && has_microcode) { setup_force_cpu_cap(X86_FEATURE_IBPB_ON_VMEXIT); srso_mitigation = SRSO_MITIGATION_IBPB_ON_VMEXIT; + + /* + * There is no need for RSB filling: entry_ibpb() ensures + * all predictions, including the RSB, are invalidated, + * regardless of IBPB implementation. + */ + setup_clear_cpu_cap(X86_FEATURE_RSB_VMEXIT); } } else { pr_err("WARNING: kernel not compiled with CPU_SRSO.\n"); From eca3edf87679284a5823c8930a059da0c2ed06ac Mon Sep 17 00:00:00 2001 From: Johannes Wikner Date: Tue, 8 Oct 2024 12:58:03 +0200 Subject: [PATCH 541/649] x86/bugs: Do not use UNTRAIN_RET with IBPB on entry commit c62fa117c32bd1abed9304c58e0da6940f8c7fc2 upstream. Since X86_FEATURE_ENTRY_IBPB will invalidate all harmful predictions with IBPB, no software-based untraining of returns is needed anymore. Currently, this change affects retbleed and SRSO mitigations so if either of the mitigations is doing IBPB and the other one does the software sequence, the latter is not needed anymore. [ bp: Massage commit message. ] Suggested-by: Borislav Petkov Signed-off-by: Johannes Wikner Cc: Signed-off-by: Greg Kroah-Hartman --- arch/x86/kernel/cpu/bugs.c | 17 +++++++++++++++++ 1 file changed, 17 insertions(+) diff --git a/arch/x86/kernel/cpu/bugs.c b/arch/x86/kernel/cpu/bugs.c index 23f884a5d12c..0b7f6bcbb8ea 100644 --- a/arch/x86/kernel/cpu/bugs.c +++ b/arch/x86/kernel/cpu/bugs.c @@ -1061,6 +1061,15 @@ static void __init retbleed_select_mitigation(void) case RETBLEED_MITIGATION_IBPB: setup_force_cpu_cap(X86_FEATURE_ENTRY_IBPB); + + /* + * IBPB on entry already obviates the need for + * software-based untraining so clear those in case some + * other mitigation like SRSO has selected them. + */ + setup_clear_cpu_cap(X86_FEATURE_UNRET); + setup_clear_cpu_cap(X86_FEATURE_RETHUNK); + mitigate_smt = true; /* @@ -2461,6 +2470,14 @@ static void __init srso_select_mitigation(void) if (has_microcode) { setup_force_cpu_cap(X86_FEATURE_ENTRY_IBPB); srso_mitigation = SRSO_MITIGATION_IBPB; + + /* + * IBPB on entry already obviates the need for + * software-based untraining so clear those in case some + * other mitigation like Retbleed has selected them. + */ + setup_clear_cpu_cap(X86_FEATURE_UNRET); + setup_clear_cpu_cap(X86_FEATURE_RETHUNK); } } else { pr_err("WARNING: kernel not compiled with CPU_IBPB_ENTRY.\n"); From 3bc6d0f8b70a9101456cf02ab99acb75254e1852 Mon Sep 17 00:00:00 2001 From: Omar Sandoval Date: Tue, 15 Oct 2024 10:59:46 -0700 Subject: [PATCH 542/649] blk-rq-qos: fix crash on rq_qos_wait vs. rq_qos_wake_function race commit e972b08b91ef48488bae9789f03cfedb148667fb upstream. We're seeing crashes from rq_qos_wake_function that look like this: BUG: unable to handle page fault for address: ffffafe180a40084 #PF: supervisor write access in kernel mode #PF: error_code(0x0002) - not-present page PGD 100000067 P4D 100000067 PUD 10027c067 PMD 10115d067 PTE 0 Oops: Oops: 0002 [#1] PREEMPT SMP PTI CPU: 17 UID: 0 PID: 0 Comm: swapper/17 Not tainted 6.12.0-rc3-00013-geca631b8fe80 #11 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.0-0-gd239552ce722-prebuilt.qemu.org 04/01/2014 RIP: 0010:_raw_spin_lock_irqsave+0x1d/0x40 Code: 90 90 90 90 90 90 90 90 90 90 90 90 90 f3 0f 1e fa 0f 1f 44 00 00 41 54 9c 41 5c fa 65 ff 05 62 97 30 4c 31 c0 ba 01 00 00 00 0f b1 17 75 0a 4c 89 e0 41 5c c3 cc cc cc cc 89 c6 e8 2c 0b 00 RSP: 0018:ffffafe180580ca0 EFLAGS: 00010046 RAX: 0000000000000000 RBX: ffffafe180a3f7a8 RCX: 0000000000000011 RDX: 0000000000000001 RSI: 0000000000000003 RDI: ffffafe180a40084 RBP: 0000000000000000 R08: 00000000001e7240 R09: 0000000000000011 R10: 0000000000000028 R11: 0000000000000888 R12: 0000000000000002 R13: ffffafe180a40084 R14: 0000000000000000 R15: 0000000000000003 FS: 0000000000000000(0000) GS:ffff9aaf1f280000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: ffffafe180a40084 CR3: 000000010e428002 CR4: 0000000000770ef0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 PKRU: 55555554 Call Trace: try_to_wake_up+0x5a/0x6a0 rq_qos_wake_function+0x71/0x80 __wake_up_common+0x75/0xa0 __wake_up+0x36/0x60 scale_up.part.0+0x50/0x110 wb_timer_fn+0x227/0x450 ... So rq_qos_wake_function() calls wake_up_process(data->task), which calls try_to_wake_up(), which faults in raw_spin_lock_irqsave(&p->pi_lock). p comes from data->task, and data comes from the waitqueue entry, which is stored on the waiter's stack in rq_qos_wait(). Analyzing the core dump with drgn, I found that the waiter had already woken up and moved on to a completely unrelated code path, clobbering what was previously data->task. Meanwhile, the waker was passing the clobbered garbage in data->task to wake_up_process(), leading to the crash. What's happening is that in between rq_qos_wake_function() deleting the waitqueue entry and calling wake_up_process(), rq_qos_wait() is finding that it already got a token and returning. The race looks like this: rq_qos_wait() rq_qos_wake_function() ============================================================== prepare_to_wait_exclusive() data->got_token = true; list_del_init(&curr->entry); if (data.got_token) break; finish_wait(&rqw->wait, &data.wq); ^- returns immediately because list_empty_careful(&wq_entry->entry) is true ... return, go do something else ... wake_up_process(data->task) (NO LONGER VALID!)-^ Normally, finish_wait() is supposed to synchronize against the waker. But, as noted above, it is returning immediately because the waitqueue entry has already been removed from the waitqueue. The bug is that rq_qos_wake_function() is accessing the waitqueue entry AFTER deleting it. Note that autoremove_wake_function() wakes the waiter and THEN deletes the waitqueue entry, which is the proper order. Fix it by swapping the order. We also need to use list_del_init_careful() to match the list_empty_careful() in finish_wait(). Fixes: 38cfb5a45ee0 ("blk-wbt: improve waking of tasks") Cc: stable@vger.kernel.org Signed-off-by: Omar Sandoval Acked-by: Tejun Heo Reviewed-by: Johannes Thumshirn Link: https://lore.kernel.org/r/d3bee2463a67b1ee597211823bf7ad3721c26e41.1729014591.git.osandov@fb.com Signed-off-by: Jens Axboe Signed-off-by: Greg Kroah-Hartman --- block/blk-rq-qos.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/block/blk-rq-qos.c b/block/blk-rq-qos.c index e83af7bc7591..26dd3e7bd00d 100644 --- a/block/blk-rq-qos.c +++ b/block/blk-rq-qos.c @@ -225,8 +225,8 @@ static int rq_qos_wake_function(struct wait_queue_entry *curr, data->got_token = true; smp_wmb(); - list_del_init(&curr->entry); wake_up_process(data->task); + list_del_init_careful(&curr->entry); return 1; } From 6ddcaee244ffd9ede3a985362d03f9538f97fb90 Mon Sep 17 00:00:00 2001 From: Jens Axboe Date: Tue, 15 Oct 2024 08:58:25 -0600 Subject: [PATCH 543/649] io_uring/sqpoll: close race on waiting for sqring entries commit 28aabffae6be54284869a91cd8bccd3720041129 upstream. When an application uses SQPOLL, it must wait for the SQPOLL thread to consume SQE entries, if it fails to get an sqe when calling io_uring_get_sqe(). It can do so by calling io_uring_enter(2) with the flag value of IORING_ENTER_SQ_WAIT. In liburing, this is generally done with io_uring_sqring_wait(). There's a natural expectation that once this call returns, a new SQE entry can be retrieved, filled out, and submitted. However, the kernel uses the cached sq head to determine if the SQRING is full or not. If the SQPOLL thread is currently in the process of submitting SQE entries, it may have updated the cached sq head, but not yet committed it to the SQ ring. Hence the kernel may find that there are SQE entries ready to be consumed, and return successfully to the application. If the SQPOLL thread hasn't yet committed the SQ ring entries by the time the application returns to userspace and attempts to get a new SQE, it will fail getting a new SQE. Fix this by having io_sqring_full() always use the user visible SQ ring head entry, rather than the internally cached one. Cc: stable@vger.kernel.org # 5.10+ Link: https://github.com/axboe/liburing/discussions/1267 Reported-by: Benedek Thaler Signed-off-by: Jens Axboe Signed-off-by: Greg Kroah-Hartman --- io_uring/io_uring.c | 9 ++++++++- 1 file changed, 8 insertions(+), 1 deletion(-) diff --git a/io_uring/io_uring.c b/io_uring/io_uring.c index 502a8e201400..da07fba75827 100644 --- a/io_uring/io_uring.c +++ b/io_uring/io_uring.c @@ -1580,7 +1580,14 @@ static inline bool io_sqring_full(struct io_ring_ctx *ctx) { struct io_rings *r = ctx->rings; - return READ_ONCE(r->sq.tail) - ctx->cached_sq_head == ctx->sq_entries; + /* + * SQPOLL must use the actual sqring head, as using the cached_sq_head + * is race prone if the SQPOLL thread has grabbed entries but not yet + * committed them to the ring. For !SQPOLL, this doesn't matter, but + * since this helper is just used for SQPOLL sqring waits (or POLLOUT), + * just read the actual sqring head unconditionally. + */ + return READ_ONCE(r->sq.tail) - READ_ONCE(r->sq.head) == ctx->sq_entries; } static inline unsigned int __io_cqring_events(struct io_ring_ctx *ctx) From df75c78bfeff99f9b4815c3e79e2b1b1e34fe264 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Ville=20Syrj=C3=A4l=C3=A4?= Date: Mon, 14 Oct 2024 19:09:36 +0300 Subject: [PATCH 544/649] drm/radeon: Fix encoder->possible_clones MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit commit 28127dba64d8ae1a0b737b973d6d029908599611 upstream. Include the encoder itself in its possible_clones bitmask. In the past nothing validated that drivers were populating possible_clones correctly, but that changed in commit 74d2aacbe840 ("drm: Validate encoder->possible_clones"). Looks like radeon never got the memo and is still not following the rules 100% correctly. This results in some warnings during driver initialization: Bogus possible_clones: [ENCODER:46:TV-46] possible_clones=0x4 (full encoder mask=0x7) WARNING: CPU: 0 PID: 170 at drivers/gpu/drm/drm_mode_config.c:615 drm_mode_config_validate+0x113/0x39c ... Cc: Alex Deucher Cc: amd-gfx@lists.freedesktop.org Fixes: 74d2aacbe840 ("drm: Validate encoder->possible_clones") Reported-by: Erhard Furtner Closes: https://lore.kernel.org/dri-devel/20241009000321.418e4294@yea/ Tested-by: Erhard Furtner Signed-off-by: Ville Syrjälä Signed-off-by: Alex Deucher (cherry picked from commit 3b6e7d40649c0d75572039aff9d0911864c689db) Cc: stable@vger.kernel.org Signed-off-by: Greg Kroah-Hartman --- drivers/gpu/drm/radeon/radeon_encoders.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/gpu/drm/radeon/radeon_encoders.c b/drivers/gpu/drm/radeon/radeon_encoders.c index ced022fae19d..ca01a813c819 100644 --- a/drivers/gpu/drm/radeon/radeon_encoders.c +++ b/drivers/gpu/drm/radeon/radeon_encoders.c @@ -47,7 +47,7 @@ static uint32_t radeon_encoder_clones(struct drm_encoder *encoder) struct radeon_device *rdev = dev->dev_private; struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder); struct drm_encoder *clone_encoder; - uint32_t index_mask = 0; + uint32_t index_mask = drm_encoder_mask(encoder); int count; /* DIG routing gets problematic */ From 0782809c019b9a406f3577d609ecdbec5c973532 Mon Sep 17 00:00:00 2001 From: Nikolay Kuratov Date: Wed, 2 Oct 2024 15:24:29 +0300 Subject: [PATCH 545/649] drm/vmwgfx: Handle surface check failure correctly commit 26498b8d54373d31a621d7dec95c4bd842563b3b upstream. Currently if condition (!bo and !vmw_kms_srf_ok()) was met we go to err_out with ret == 0. err_out dereferences vfb if ret == 0, but in our case vfb is still NULL. Fix this by assigning sensible error to ret. Found by Linux Verification Center (linuxtesting.org) with SVACE Signed-off-by: Nikolay Kuratov Cc: stable@vger.kernel.org Fixes: 810b3e1683d0 ("drm/vmwgfx: Support topology greater than texture size") Signed-off-by: Zack Rusin Link: https://patchwork.freedesktop.org/patch/msgid/20241002122429.1981822-1-kniv@yandex-team.ru Signed-off-by: Greg Kroah-Hartman --- drivers/gpu/drm/vmwgfx/vmwgfx_kms.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_kms.c b/drivers/gpu/drm/vmwgfx/vmwgfx_kms.c index 0e963fd7db17..73cbb94ff456 100644 --- a/drivers/gpu/drm/vmwgfx/vmwgfx_kms.c +++ b/drivers/gpu/drm/vmwgfx/vmwgfx_kms.c @@ -1402,6 +1402,7 @@ static struct drm_framebuffer *vmw_kms_fb_create(struct drm_device *dev, DRM_ERROR("Surface size cannot exceed %dx%d", dev_priv->texture_max_width, dev_priv->texture_max_height); + ret = -EINVAL; goto err_out; } From 3abc1ebea3fb1b62c3f7c40ae6605c0e42b335e1 Mon Sep 17 00:00:00 2001 From: Javier Carrasco Date: Thu, 3 Oct 2024 18:49:38 +0200 Subject: [PATCH 546/649] iio: dac: ad5770r: add missing select REGMAP_SPI in Kconfig commit bcdab6f74c91cda19714354fd4e9e3ef3c9a78b3 upstream. This driver makes use of regmap_spi, but does not select the required module. Add the missing 'select REGMAP_SPI'. Fixes: cbbb819837f6 ("iio: dac: ad5770r: Add AD5770R support") Signed-off-by: Javier Carrasco Link: https://patch.msgid.link/20241003-ad2s1210-select-v1-6-4019453f8c33@gmail.com Cc: Signed-off-by: Jonathan Cameron Signed-off-by: Greg Kroah-Hartman --- drivers/iio/dac/Kconfig | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/iio/dac/Kconfig b/drivers/iio/dac/Kconfig index dae8d27e772d..22c271f4eeb8 100644 --- a/drivers/iio/dac/Kconfig +++ b/drivers/iio/dac/Kconfig @@ -191,6 +191,7 @@ config AD5764 config AD5770R tristate "Analog Devices AD5770R IDAC driver" depends on SPI_MASTER + select REGMAP_SPI help Say yes here to build support for Analog Devices AD5770R Digital to Analog Converter. From c4c2211b1202ab3fdfc421b747a1c83a4e457442 Mon Sep 17 00:00:00 2001 From: Javier Carrasco Date: Thu, 3 Oct 2024 18:49:39 +0200 Subject: [PATCH 547/649] iio: dac: ltc1660: add missing select REGMAP_SPI in Kconfig commit 252ff06a4cb4e572cb3c7fcfa697db96b08a7781 upstream. This driver makes use of regmap_spi, but does not select the required module. Add the missing 'select REGMAP_SPI'. Fixes: 8316cebd1e59 ("iio: dac: add support for ltc1660") Signed-off-by: Javier Carrasco Link: https://patch.msgid.link/20241003-ad2s1210-select-v1-7-4019453f8c33@gmail.com Cc: Signed-off-by: Jonathan Cameron Signed-off-by: Greg Kroah-Hartman --- drivers/iio/dac/Kconfig | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/iio/dac/Kconfig b/drivers/iio/dac/Kconfig index 22c271f4eeb8..2d7407c44bba 100644 --- a/drivers/iio/dac/Kconfig +++ b/drivers/iio/dac/Kconfig @@ -272,6 +272,7 @@ config LPC18XX_DAC config LTC1660 tristate "Linear Technology LTC1660/LTC1665 DAC SPI driver" depends on SPI + select REGMAP_SPI help Say yes here to build support for Linear Technology LTC1660 and LTC1665 Digital to Analog Converters. From c27133637aba67367056b7d0cad10bed5afb7d00 Mon Sep 17 00:00:00 2001 From: Javier Carrasco Date: Thu, 3 Oct 2024 18:49:40 +0200 Subject: [PATCH 548/649] iio: dac: stm32-dac-core: add missing select REGMAP_MMIO in Kconfig commit 27b6aa68a68105086aef9f0cb541cd688e5edea8 upstream. This driver makes use of regmap_mmio, but does not select the required module. Add the missing 'select REGMAP_MMIO'. Fixes: 4d4b30526eb8 ("iio: dac: add support for stm32 DAC") Signed-off-by: Javier Carrasco Link: https://patch.msgid.link/20241003-ad2s1210-select-v1-8-4019453f8c33@gmail.com Cc: Signed-off-by: Jonathan Cameron Signed-off-by: Greg Kroah-Hartman --- drivers/iio/dac/Kconfig | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/iio/dac/Kconfig b/drivers/iio/dac/Kconfig index 2d7407c44bba..cd11c1737ae1 100644 --- a/drivers/iio/dac/Kconfig +++ b/drivers/iio/dac/Kconfig @@ -359,6 +359,7 @@ config STM32_DAC config STM32_DAC_CORE tristate + select REGMAP_MMIO config TI_DAC082S085 tristate "Texas Instruments 8/10/12-bit 2/4-channel DAC driver" From 9504153a480f84756f86c379eca91a98e83b576f Mon Sep 17 00:00:00 2001 From: Javier Carrasco Date: Thu, 3 Oct 2024 23:04:50 +0200 Subject: [PATCH 549/649] iio: adc: ti-ads8688: add missing select IIO_(TRIGGERED_)BUFFER in Kconfig commit 4c4834fd8696a949d1b1f1c2c5b96e1ad2083b02 upstream. This driver makes use of triggered buffers, but does not select the required modules. Fixes: 2a86487786b5 ("iio: adc: ti-ads8688: add trigger and buffer support") Add the missing 'select IIO_BUFFER' and 'select IIO_TRIGGERED_BUFFER'. Signed-off-by: Javier Carrasco Reviewed-by: Sean Nyekjaer Link: https://patch.msgid.link/20241003-iio-select-v1-4-67c0385197cd@gmail.com Cc: Signed-off-by: Jonathan Cameron Signed-off-by: Greg Kroah-Hartman --- drivers/iio/adc/Kconfig | 2 ++ 1 file changed, 2 insertions(+) diff --git a/drivers/iio/adc/Kconfig b/drivers/iio/adc/Kconfig index e39b679126a2..57779affc335 100644 --- a/drivers/iio/adc/Kconfig +++ b/drivers/iio/adc/Kconfig @@ -1126,6 +1126,8 @@ config TI_ADS8344 config TI_ADS8688 tristate "Texas Instruments ADS8688" depends on SPI && OF + select IIO_BUFFER + select IIO_TRIGGERED_BUFFER help If you say yes here you get support for Texas Instruments ADS8684 and and ADS8688 ADC chips From ffc4174309a9429ec8dffd48c761896d2fc353e7 Mon Sep 17 00:00:00 2001 From: Christophe JAILLET Date: Thu, 3 Oct 2024 20:41:12 +0200 Subject: [PATCH 550/649] iio: hid-sensors: Fix an error handling path in _hid_sensor_set_report_latency() commit 3a29b84cf7fbf912a6ab1b9c886746f02b74ea25 upstream. If hid_sensor_set_report_latency() fails, the error code should be returned instead of a value likely to be interpreted as 'success'. Fixes: 138bc7969c24 ("iio: hid-sensor-hub: Implement batch mode") Signed-off-by: Christophe JAILLET Acked-by: Srinivas Pandruvada Link: https://patch.msgid.link/c50640665f091a04086e5092cf50f73f2055107a.1727980825.git.christophe.jaillet@wanadoo.fr Cc: Signed-off-by: Jonathan Cameron Signed-off-by: Greg Kroah-Hartman --- drivers/iio/common/hid-sensors/hid-sensor-trigger.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/iio/common/hid-sensors/hid-sensor-trigger.c b/drivers/iio/common/hid-sensors/hid-sensor-trigger.c index ff375790b7e8..ab4d9a335b7c 100644 --- a/drivers/iio/common/hid-sensors/hid-sensor-trigger.c +++ b/drivers/iio/common/hid-sensors/hid-sensor-trigger.c @@ -35,7 +35,7 @@ static ssize_t _hid_sensor_set_report_latency(struct device *dev, latency = integer * 1000 + fract / 1000; ret = hid_sensor_set_report_latency(attrb, latency); if (ret < 0) - return len; + return ret; attrb->latency_ms = hid_sensor_get_report_latency(attrb); From 2d06787b70d89340a2f00d80a7bd08883c4c099f Mon Sep 17 00:00:00 2001 From: Javier Carrasco Date: Mon, 23 Sep 2024 00:17:49 +0200 Subject: [PATCH 551/649] iio: light: veml6030: fix ALS sensor resolution commit c9e9746f275c45108f2b0633a4855d65d9ae0736 upstream. The driver still uses the sensor resolution provided in the datasheet until Rev. 1.6, 28-Apr-2022, which was updated with Rev 1.7, 28-Nov-2023. The original ambient light resolution has been updated from 0.0036 lx/ct to 0.0042 lx/ct, which is the value that can be found in the current device datasheet. Update the default resolution for IT = 100 ms and GAIN = 1/8 from the original 4608 mlux/cnt to the current value from the "Resolution and maximum detection range" table (Application Note 84367, page 5), 5376 mlux/cnt. Cc: Fixes: 7b779f573c48 ("iio: light: add driver for veml6030 ambient light sensor") Signed-off-by: Javier Carrasco Link: https://patch.msgid.link/20240923-veml6035-v2-1-58c72a0df31c@gmail.com Signed-off-by: Jonathan Cameron Signed-off-by: Greg Kroah-Hartman --- drivers/iio/light/veml6030.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/iio/light/veml6030.c b/drivers/iio/light/veml6030.c index de85c9b30be1..a955a51eae61 100644 --- a/drivers/iio/light/veml6030.c +++ b/drivers/iio/light/veml6030.c @@ -780,7 +780,7 @@ static int veml6030_hw_init(struct iio_dev *indio_dev) /* Cache currently active measurement parameters */ data->cur_gain = 3; - data->cur_resolution = 4608; + data->cur_resolution = 5376; data->cur_integration_time = 3; return ret; From bf3ab8e1c28f10df0823d4ff312f83c952b06a15 Mon Sep 17 00:00:00 2001 From: Javier Carrasco Date: Fri, 13 Sep 2024 15:18:58 +0200 Subject: [PATCH 552/649] iio: light: veml6030: fix IIO device retrieval from embedded device commit c7c44e57750c31de43906d97813273fdffcf7d02 upstream. The dev pointer that is received as an argument in the in_illuminance_period_available_show function references the device embedded in the IIO device, not in the i2c client. dev_to_iio_dev() must be used to accessthe right data. The current implementation leads to a segmentation fault on every attempt to read the attribute because indio_dev gets a NULL assignment. This bug has been present since the first appearance of the driver, apparently since the last version (V6) before getting applied. A constant attribute was used until then, and the last modifications might have not been tested again. Cc: stable@vger.kernel.org Fixes: 7b779f573c48 ("iio: light: add driver for veml6030 ambient light sensor") Signed-off-by: Javier Carrasco Link: https://patch.msgid.link/20240913-veml6035-v1-3-0b09c0c90418@gmail.com Signed-off-by: Jonathan Cameron Signed-off-by: Greg Kroah-Hartman --- drivers/iio/light/veml6030.c | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-) diff --git a/drivers/iio/light/veml6030.c b/drivers/iio/light/veml6030.c index a955a51eae61..f859cdb3094c 100644 --- a/drivers/iio/light/veml6030.c +++ b/drivers/iio/light/veml6030.c @@ -99,9 +99,8 @@ static const char * const period_values[] = { static ssize_t in_illuminance_period_available_show(struct device *dev, struct device_attribute *attr, char *buf) { + struct veml6030_data *data = iio_priv(dev_to_iio_dev(dev)); int ret, reg, x; - struct iio_dev *indio_dev = i2c_get_clientdata(to_i2c_client(dev)); - struct veml6030_data *data = iio_priv(indio_dev); ret = regmap_read(data->regmap, VEML6030_REG_ALS_CONF, ®); if (ret) { From dc99dfa2ba6661a2f3b02a5c7b710e077761cacf Mon Sep 17 00:00:00 2001 From: Emil Gedenryd Date: Fri, 13 Sep 2024 11:57:02 +0200 Subject: [PATCH 553/649] iio: light: opt3001: add missing full-scale range value commit 530688e39c644543b71bdd9cb45fdfb458a28eaa upstream. The opt3001 driver uses predetermined full-scale range values to determine what exponent to use for event trigger threshold values. The problem is that one of the values specified in the datasheet is missing from the implementation. This causes larger values to be scaled down to an incorrect exponent, effectively reducing the maximum settable threshold value by a factor of 2. Add missing full-scale range array value. Fixes: 94a9b7b1809f ("iio: light: add support for TI's opt3001 light sensor") Signed-off-by: Emil Gedenryd Cc: Link: https://patch.msgid.link/20240913-add_opt3002-v2-1-69e04f840360@axis.com Signed-off-by: Jonathan Cameron Signed-off-by: Greg Kroah-Hartman --- drivers/iio/light/opt3001.c | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/drivers/iio/light/opt3001.c b/drivers/iio/light/opt3001.c index ff776259734a..ff01fc9fc0b2 100644 --- a/drivers/iio/light/opt3001.c +++ b/drivers/iio/light/opt3001.c @@ -138,6 +138,10 @@ static const struct opt3001_scale opt3001_scales[] = { .val = 20966, .val2 = 400000, }, + { + .val = 41932, + .val2 = 800000, + }, { .val = 83865, .val2 = 600000, From f80375f275fbc7c3898723d9101597d3ec6bff08 Mon Sep 17 00:00:00 2001 From: Javier Carrasco Date: Thu, 3 Oct 2024 23:04:59 +0200 Subject: [PATCH 554/649] iio: proximity: mb1232: add missing select IIO_(TRIGGERED_)BUFFER in Kconfig commit 75461a0b15d7c026924d0001abce0476bbc7eda8 upstream. This driver makes use of triggered buffers, but does not select the required modules. Add the missing 'select IIO_BUFFER' and 'select IIO_TRIGGERED_BUFFER'. Fixes: 16b05261537e ("mb1232.c: add distance iio sensor with i2c") Signed-off-by: Javier Carrasco Link: https://patch.msgid.link/20241003-iio-select-v1-13-67c0385197cd@gmail.com Cc: Signed-off-by: Jonathan Cameron Signed-off-by: Greg Kroah-Hartman --- drivers/iio/proximity/Kconfig | 2 ++ 1 file changed, 2 insertions(+) diff --git a/drivers/iio/proximity/Kconfig b/drivers/iio/proximity/Kconfig index 12672a0e89ed..e6857223d5a7 100644 --- a/drivers/iio/proximity/Kconfig +++ b/drivers/iio/proximity/Kconfig @@ -49,6 +49,8 @@ config LIDAR_LITE_V2 config MB1232 tristate "MaxSonar I2CXL family ultrasonic sensors" depends on I2C + select IIO_BUFFER + select IIO_TRIGGERED_BUFFER help Say Y to build a driver for the ultrasonic sensors I2CXL of MaxBotix which have an i2c interface. It can be used to measure From 516655749a0143d5878d7f9458e0a3935543fb0f Mon Sep 17 00:00:00 2001 From: Javier Carrasco Date: Thu, 3 Oct 2024 23:04:49 +0200 Subject: [PATCH 555/649] iio: adc: ti-ads124s08: add missing select IIO_(TRIGGERED_)BUFFER in Kconfig commit eb143d05def52bc6d193e813018e5fa1a0e47c77 upstream. This driver makes use of triggered buffers, but does not select the required modules. Add the missing 'select IIO_BUFFER' and 'select IIO_TRIGGERED_BUFFER'. Fixes: e717f8c6dfec ("iio: adc: Add the TI ads124s08 ADC code") Signed-off-by: Javier Carrasco Link: https://patch.msgid.link/20241003-iio-select-v1-3-67c0385197cd@gmail.com Cc: Signed-off-by: Jonathan Cameron Signed-off-by: Greg Kroah-Hartman --- drivers/iio/adc/Kconfig | 2 ++ 1 file changed, 2 insertions(+) diff --git a/drivers/iio/adc/Kconfig b/drivers/iio/adc/Kconfig index 57779affc335..6de9ca5579d6 100644 --- a/drivers/iio/adc/Kconfig +++ b/drivers/iio/adc/Kconfig @@ -1138,6 +1138,8 @@ config TI_ADS8688 config TI_ADS124S08 tristate "Texas Instruments ADS124S08" depends on SPI && OF + select IIO_BUFFER + select IIO_TRIGGERED_BUFFER help If you say yes here you get support for Texas Instruments ADS124S08 and ADS124S06 ADC chips From 63d6a3b078382bae2a055857ac8963aafee7e3e6 Mon Sep 17 00:00:00 2001 From: Aaron Thompson Date: Fri, 4 Oct 2024 23:04:10 +0000 Subject: [PATCH 556/649] Bluetooth: Remove debugfs directory on module init failure commit 1db4564f101b47188c1b71696bd342ef09172b22 upstream. If bt_init() fails, the debugfs directory currently is not removed. If the module is loaded again after that, the debugfs directory is not set up properly due to the existing directory. # modprobe bluetooth # ls -laF /sys/kernel/debug/bluetooth total 0 drwxr-xr-x 2 root root 0 Sep 27 14:26 ./ drwx------ 31 root root 0 Sep 27 14:25 ../ -r--r--r-- 1 root root 0 Sep 27 14:26 l2cap -r--r--r-- 1 root root 0 Sep 27 14:26 sco # modprobe -r bluetooth # ls -laF /sys/kernel/debug/bluetooth ls: cannot access '/sys/kernel/debug/bluetooth': No such file or directory # # modprobe bluetooth modprobe: ERROR: could not insert 'bluetooth': Invalid argument # dmesg | tail -n 6 Bluetooth: Core ver 2.22 NET: Registered PF_BLUETOOTH protocol family Bluetooth: HCI device and connection manager initialized Bluetooth: HCI socket layer initialized Bluetooth: Faking l2cap_init() failure for testing NET: Unregistered PF_BLUETOOTH protocol family # ls -laF /sys/kernel/debug/bluetooth total 0 drwxr-xr-x 2 root root 0 Sep 27 14:31 ./ drwx------ 31 root root 0 Sep 27 14:26 ../ # # modprobe bluetooth # dmesg | tail -n 7 Bluetooth: Core ver 2.22 debugfs: Directory 'bluetooth' with parent '/' already present! NET: Registered PF_BLUETOOTH protocol family Bluetooth: HCI device and connection manager initialized Bluetooth: HCI socket layer initialized Bluetooth: L2CAP socket layer initialized Bluetooth: SCO socket layer initialized # ls -laF /sys/kernel/debug/bluetooth total 0 drwxr-xr-x 2 root root 0 Sep 27 14:31 ./ drwx------ 31 root root 0 Sep 27 14:26 ../ # Cc: stable@vger.kernel.org Fixes: ffcecac6a738 ("Bluetooth: Create root debugfs directory during module init") Signed-off-by: Aaron Thompson Signed-off-by: Luiz Augusto von Dentz Signed-off-by: Greg Kroah-Hartman --- net/bluetooth/af_bluetooth.c | 1 + 1 file changed, 1 insertion(+) diff --git a/net/bluetooth/af_bluetooth.c b/net/bluetooth/af_bluetooth.c index 14a917e70f3e..0b8400bda73d 100644 --- a/net/bluetooth/af_bluetooth.c +++ b/net/bluetooth/af_bluetooth.c @@ -779,6 +779,7 @@ static int __init bt_init(void) bt_sysfs_cleanup(); cleanup_led: bt_leds_cleanup(); + debugfs_remove_recursive(bt_debugfs); return err; } From fc2cb5e3af533262c585c32f7e6052f72ee9247c Mon Sep 17 00:00:00 2001 From: Luiz Augusto von Dentz Date: Wed, 16 Oct 2024 11:47:00 -0400 Subject: [PATCH 557/649] Bluetooth: btusb: Fix regression with fake CSR controllers 0a12:0001 MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit commit 2c1dda2acc4192d826e84008d963b528e24d12bc upstream. Fake CSR controllers don't seem to handle short-transfer properly which cause command to time out: kernel: usb 1-1: new full-speed USB device number 19 using xhci_hcd kernel: usb 1-1: New USB device found, idVendor=0a12, idProduct=0001, bcdDevice=88.91 kernel: usb 1-1: New USB device strings: Mfr=0, Product=2, SerialNumber=0 kernel: usb 1-1: Product: BT DONGLE10 ... Bluetooth: hci1: Opcode 0x1004 failed: -110 kernel: Bluetooth: hci1: command 0x1004 tx timeout According to USB Spec 2.0 Section 5.7.3 Interrupt Transfer Packet Size Constraints a interrupt transfer is considered complete when the size is 0 (ZPL) or < wMaxPacketSize: 'When an interrupt transfer involves more data than can fit in one data payload of the currently established maximum size, all data payloads are required to be maximum-sized except for the last data payload, which will contain the remaining data. An interrupt transfer is complete when the endpoint does one of the following: • Has transferred exactly the amount of data expected • Transfers a packet with a payload size less than wMaxPacketSize or transfers a zero-length packet' Link: https://bugzilla.kernel.org/show_bug.cgi?id=219365 Fixes: 7b05933340f4 ("Bluetooth: btusb: Fix not handling ZPL/short-transfer") Signed-off-by: Luiz Augusto von Dentz Signed-off-by: Greg Kroah-Hartman --- drivers/bluetooth/btusb.c | 13 +++++++++---- 1 file changed, 9 insertions(+), 4 deletions(-) diff --git a/drivers/bluetooth/btusb.c b/drivers/bluetooth/btusb.c index 930dee28271e..d34c7758b93d 100644 --- a/drivers/bluetooth/btusb.c +++ b/drivers/bluetooth/btusb.c @@ -928,10 +928,15 @@ static int btusb_submit_intr_urb(struct hci_dev *hdev, gfp_t mem_flags) if (!urb) return -ENOMEM; - /* Use maximum HCI Event size so the USB stack handles - * ZPL/short-transfer automatically. - */ - size = HCI_MAX_EVENT_SIZE; + if (le16_to_cpu(data->udev->descriptor.idVendor) == 0x0a12 && + le16_to_cpu(data->udev->descriptor.idProduct) == 0x0001) + /* Fake CSR devices don't seem to support sort-transter */ + size = le16_to_cpu(data->intr_ep->wMaxPacketSize); + else + /* Use maximum HCI Event size so the USB stack handles + * ZPL/short-transfer automatically. + */ + size = HCI_MAX_EVENT_SIZE; buf = kmalloc(size, mem_flags); if (!buf) { From 608b626f710dfbba39ed732ae43b4752133a2781 Mon Sep 17 00:00:00 2001 From: Mathias Nyman Date: Wed, 16 Oct 2024 16:59:57 +0300 Subject: [PATCH 558/649] xhci: Fix incorrect stream context type macro commit 6599b6a6fa8060145046d0744456b6abdb3122a7 upstream. The stream contex type (SCT) bitfield is used both in the stream context data structure, and in the 'Set TR Dequeue pointer' command TRB. In both cases it uses bits 3:1 The SCT_FOR_TRB(p) macro used to set the stream context type (SCT) field for the 'Set TR Dequeue pointer' command TRB incorrectly shifts the value 1 bit left before masking the three bits. Fix this by first masking and rshifting, just like the similar SCT_FOR_CTX(p) macro does This issue has not been visibile as the lost bit 3 is only used with secondary stream arrays (SSA). Xhci driver currently only supports using a primary stream array with Linear stream addressing. Fixes: 95241dbdf828 ("xhci: Set SCT field for Set TR dequeue on streams") Cc: stable@vger.kernel.org Signed-off-by: Mathias Nyman Link: https://lore.kernel.org/r/20241016140000.783905-2-mathias.nyman@linux.intel.com Signed-off-by: Greg Kroah-Hartman --- drivers/usb/host/xhci.h | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/usb/host/xhci.h b/drivers/usb/host/xhci.h index 5a8443f6ed70..6304e9b00ecc 100644 --- a/drivers/usb/host/xhci.h +++ b/drivers/usb/host/xhci.h @@ -1282,7 +1282,7 @@ enum xhci_setup_dev { /* Set TR Dequeue Pointer command TRB fields, 6.4.3.9 */ #define TRB_TO_STREAM_ID(p) ((((p) & (0xffff << 16)) >> 16)) #define STREAM_ID_FOR_TRB(p) ((((p)) & 0xffff) << 16) -#define SCT_FOR_TRB(p) (((p) << 1) & 0x7) +#define SCT_FOR_TRB(p) (((p) & 0x7) << 1) /* Link TRB specific fields */ #define TRB_TC (1<<1) From 0fc55ec9fcacf80779e4222abc5d4a8bd4b50cd6 Mon Sep 17 00:00:00 2001 From: "Benjamin B. Frost" Date: Wed, 11 Sep 2024 10:54:05 +0200 Subject: [PATCH 559/649] USB: serial: option: add support for Quectel EG916Q-GL commit 540eff5d7faf0c9330ec762da49df453263f7676 upstream. Add Quectel EM916Q-GL with product ID 0x6007 T: Bus=01 Lev=02 Prnt=02 Port=01 Cnt=01 Dev#= 3 Spd=480 MxCh= 0 D: Ver= 2.00 Cls=ef(misc ) Sub=02 Prot=01 MxPS=64 #Cfgs= 1 P: Vendor=2c7c ProdID=6007 Rev= 2.00 S: Manufacturer=Quectel S: Product=EG916Q-GL C:* #Ifs= 6 Cfg#= 1 Atr=a0 MxPwr=200mA A: FirstIf#= 4 IfCount= 2 Cls=02(comm.) Sub=06 Prot=00 I:* If#= 0 Alt= 0 #EPs= 2 Cls=ff(vend.) Sub=00 Prot=00 Driver=option E: Ad=01(O) Atr=02(Bulk) MxPS= 512 Ivl=0ms E: Ad=81(I) Atr=02(Bulk) MxPS= 512 Ivl=0ms I:* If#= 1 Alt= 0 #EPs= 3 Cls=ff(vend.) Sub=00 Prot=00 Driver=option E: Ad=82(I) Atr=03(Int.) MxPS= 16 Ivl=32ms E: Ad=83(I) Atr=02(Bulk) MxPS= 512 Ivl=0ms E: Ad=02(O) Atr=02(Bulk) MxPS= 512 Ivl=0ms I:* If#= 2 Alt= 0 #EPs= 3 Cls=ff(vend.) Sub=00 Prot=00 Driver=option E: Ad=84(I) Atr=03(Int.) MxPS= 16 Ivl=32ms E: Ad=85(I) Atr=02(Bulk) MxPS= 512 Ivl=0ms E: Ad=03(O) Atr=02(Bulk) MxPS= 512 Ivl=0ms I:* If#= 3 Alt= 0 #EPs= 3 Cls=ff(vend.) Sub=00 Prot=00 Driver=option E: Ad=86(I) Atr=03(Int.) MxPS= 16 Ivl=32ms E: Ad=87(I) Atr=02(Bulk) MxPS= 512 Ivl=0ms E: Ad=04(O) Atr=02(Bulk) MxPS= 512 Ivl=0ms I:* If#= 4 Alt= 0 #EPs= 1 Cls=02(comm.) Sub=06 Prot=00 Driver=cdc_ether E: Ad=88(I) Atr=03(Int.) MxPS= 32 Ivl=32ms I: If#= 5 Alt= 0 #EPs= 0 Cls=0a(data ) Sub=00 Prot=00 Driver=cdc_ether I:* If#= 5 Alt= 1 #EPs= 2 Cls=0a(data ) Sub=00 Prot=00 Driver=cdc_ether E: Ad=05(O) Atr=02(Bulk) MxPS= 512 Ivl=0ms E: Ad=89(I) Atr=02(Bulk) MxPS= 512 Ivl=0ms MI_00 Quectel USB Diag Port MI_01 Quectel USB NMEA Port MI_02 Quectel USB AT Port MI_03 Quectel USB Modem Port MI_04 Quectel USB Net Port Signed-off-by: Benjamin B. Frost Reviewed-by: Lars Melin Cc: stable@vger.kernel.org Signed-off-by: Johan Hovold Signed-off-by: Greg Kroah-Hartman --- drivers/usb/serial/option.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/drivers/usb/serial/option.c b/drivers/usb/serial/option.c index c9fade980f36..10b2fe0741f3 100644 --- a/drivers/usb/serial/option.c +++ b/drivers/usb/serial/option.c @@ -279,6 +279,7 @@ static void option_instat_callback(struct urb *urb); #define QUECTEL_PRODUCT_EG912Y 0x6001 #define QUECTEL_PRODUCT_EC200S_CN 0x6002 #define QUECTEL_PRODUCT_EC200A 0x6005 +#define QUECTEL_PRODUCT_EG916Q 0x6007 #define QUECTEL_PRODUCT_EM061K_LWW 0x6008 #define QUECTEL_PRODUCT_EM061K_LCN 0x6009 #define QUECTEL_PRODUCT_EC200T 0x6026 @@ -1270,6 +1271,7 @@ static const struct usb_device_id option_ids[] = { { USB_DEVICE_AND_INTERFACE_INFO(QUECTEL_VENDOR_ID, QUECTEL_PRODUCT_EC200S_CN, 0xff, 0, 0) }, { USB_DEVICE_AND_INTERFACE_INFO(QUECTEL_VENDOR_ID, QUECTEL_PRODUCT_EC200T, 0xff, 0, 0) }, { USB_DEVICE_AND_INTERFACE_INFO(QUECTEL_VENDOR_ID, QUECTEL_PRODUCT_EG912Y, 0xff, 0, 0) }, + { USB_DEVICE_AND_INTERFACE_INFO(QUECTEL_VENDOR_ID, QUECTEL_PRODUCT_EG916Q, 0xff, 0x00, 0x00) }, { USB_DEVICE_AND_INTERFACE_INFO(QUECTEL_VENDOR_ID, QUECTEL_PRODUCT_RM500K, 0xff, 0x00, 0x00) }, { USB_DEVICE(CMOTECH_VENDOR_ID, CMOTECH_PRODUCT_6001) }, From 9f8ddf14fa790fe598e5cdfa532e8d02543fe613 Mon Sep 17 00:00:00 2001 From: Daniele Palmas Date: Thu, 3 Oct 2024 11:38:08 +0200 Subject: [PATCH 560/649] USB: serial: option: add Telit FN920C04 MBIM compositions commit 6d951576ee16430822a8dee1e5c54d160e1de87d upstream. Add the following Telit FN920C04 compositions: 0x10a2: MBIM + tty (AT/NMEA) + tty (AT) + tty (diag) T: Bus=03 Lev=01 Prnt=03 Port=06 Cnt=01 Dev#= 17 Spd=480 MxCh= 0 D: Ver= 2.00 Cls=ef(misc ) Sub=02 Prot=01 MxPS=64 #Cfgs= 1 P: Vendor=1bc7 ProdID=10a2 Rev=05.15 S: Manufacturer=Telit Cinterion S: Product=FN920 S: SerialNumber=92c4c4d8 C: #Ifs= 5 Cfg#= 1 Atr=e0 MxPwr=500mA I: If#= 0 Alt= 0 #EPs= 1 Cls=02(commc) Sub=0e Prot=00 Driver=cdc_mbim E: Ad=82(I) Atr=03(Int.) MxPS= 64 Ivl=32ms I: If#= 1 Alt= 1 #EPs= 2 Cls=0a(data ) Sub=00 Prot=02 Driver=cdc_mbim E: Ad=01(O) Atr=02(Bulk) MxPS= 512 Ivl=0ms E: Ad=81(I) Atr=02(Bulk) MxPS= 512 Ivl=0ms I: If#= 2 Alt= 0 #EPs= 3 Cls=ff(vend.) Sub=ff Prot=60 Driver=option E: Ad=02(O) Atr=02(Bulk) MxPS= 512 Ivl=0ms E: Ad=83(I) Atr=02(Bulk) MxPS= 512 Ivl=0ms E: Ad=84(I) Atr=03(Int.) MxPS= 10 Ivl=32ms I: If#= 3 Alt= 0 #EPs= 3 Cls=ff(vend.) Sub=ff Prot=40 Driver=option E: Ad=03(O) Atr=02(Bulk) MxPS= 512 Ivl=0ms E: Ad=85(I) Atr=02(Bulk) MxPS= 512 Ivl=0ms E: Ad=86(I) Atr=03(Int.) MxPS= 10 Ivl=32ms I: If#= 4 Alt= 0 #EPs= 2 Cls=ff(vend.) Sub=ff Prot=30 Driver=option E: Ad=04(O) Atr=02(Bulk) MxPS= 512 Ivl=0ms E: Ad=87(I) Atr=02(Bulk) MxPS= 512 Ivl=0ms 0x10a7: MBIM + tty (AT) + tty (AT) + tty (diag) T: Bus=03 Lev=01 Prnt=03 Port=06 Cnt=01 Dev#= 18 Spd=480 MxCh= 0 D: Ver= 2.00 Cls=ef(misc ) Sub=02 Prot=01 MxPS=64 #Cfgs= 1 P: Vendor=1bc7 ProdID=10a7 Rev=05.15 S: Manufacturer=Telit Cinterion S: Product=FN920 S: SerialNumber=92c4c4d8 C: #Ifs= 5 Cfg#= 1 Atr=e0 MxPwr=500mA I: If#= 0 Alt= 0 #EPs= 1 Cls=02(commc) Sub=0e Prot=00 Driver=cdc_mbim E: Ad=82(I) Atr=03(Int.) MxPS= 64 Ivl=32ms I: If#= 1 Alt= 1 #EPs= 2 Cls=0a(data ) Sub=00 Prot=02 Driver=cdc_mbim E: Ad=01(O) Atr=02(Bulk) MxPS= 512 Ivl=0ms E: Ad=81(I) Atr=02(Bulk) MxPS= 512 Ivl=0ms I: If#= 2 Alt= 0 #EPs= 3 Cls=ff(vend.) Sub=ff Prot=40 Driver=option E: Ad=02(O) Atr=02(Bulk) MxPS= 512 Ivl=0ms E: Ad=83(I) Atr=02(Bulk) MxPS= 512 Ivl=0ms E: Ad=84(I) Atr=03(Int.) MxPS= 10 Ivl=32ms I: If#= 3 Alt= 0 #EPs= 3 Cls=ff(vend.) Sub=ff Prot=40 Driver=option E: Ad=03(O) Atr=02(Bulk) MxPS= 512 Ivl=0ms E: Ad=85(I) Atr=02(Bulk) MxPS= 512 Ivl=0ms E: Ad=86(I) Atr=03(Int.) MxPS= 10 Ivl=32ms I: If#= 4 Alt= 0 #EPs= 2 Cls=ff(vend.) Sub=ff Prot=30 Driver=option E: Ad=04(O) Atr=02(Bulk) MxPS= 512 Ivl=0ms E: Ad=87(I) Atr=02(Bulk) MxPS= 512 Ivl=0ms 0x10aa: MBIM + tty (AT) + tty (diag) + DPL (data packet logging) + adb T: Bus=03 Lev=01 Prnt=03 Port=06 Cnt=01 Dev#= 15 Spd=480 MxCh= 0 D: Ver= 2.00 Cls=ef(misc ) Sub=02 Prot=01 MxPS=64 #Cfgs= 1 P: Vendor=1bc7 ProdID=10aa Rev=05.15 S: Manufacturer=Telit Cinterion S: Product=FN920 S: SerialNumber=92c4c4d8 C: #Ifs= 6 Cfg#= 1 Atr=e0 MxPwr=500mA I: If#= 0 Alt= 0 #EPs= 1 Cls=02(commc) Sub=0e Prot=00 Driver=cdc_mbim E: Ad=82(I) Atr=03(Int.) MxPS= 64 Ivl=32ms I: If#= 1 Alt= 1 #EPs= 2 Cls=0a(data ) Sub=00 Prot=02 Driver=cdc_mbim E: Ad=01(O) Atr=02(Bulk) MxPS= 512 Ivl=0ms E: Ad=81(I) Atr=02(Bulk) MxPS= 512 Ivl=0ms I: If#= 2 Alt= 0 #EPs= 3 Cls=ff(vend.) Sub=ff Prot=40 Driver=option E: Ad=02(O) Atr=02(Bulk) MxPS= 512 Ivl=0ms E: Ad=83(I) Atr=02(Bulk) MxPS= 512 Ivl=0ms E: Ad=84(I) Atr=03(Int.) MxPS= 10 Ivl=32ms I: If#= 3 Alt= 0 #EPs= 2 Cls=ff(vend.) Sub=ff Prot=30 Driver=option E: Ad=03(O) Atr=02(Bulk) MxPS= 512 Ivl=0ms E: Ad=85(I) Atr=02(Bulk) MxPS= 512 Ivl=0ms I: If#= 4 Alt= 0 #EPs= 1 Cls=ff(vend.) Sub=ff Prot=80 Driver=(none) E: Ad=86(I) Atr=02(Bulk) MxPS= 512 Ivl=0ms I: If#= 5 Alt= 0 #EPs= 2 Cls=ff(vend.) Sub=42 Prot=01 Driver=(none) E: Ad=04(O) Atr=02(Bulk) MxPS= 512 Ivl=0ms E: Ad=87(I) Atr=02(Bulk) MxPS= 512 Ivl=0ms Signed-off-by: Daniele Palmas Cc: stable@vger.kernel.org Signed-off-by: Johan Hovold Signed-off-by: Greg Kroah-Hartman --- drivers/usb/serial/option.c | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/drivers/usb/serial/option.c b/drivers/usb/serial/option.c index 10b2fe0741f3..a71e072722da 100644 --- a/drivers/usb/serial/option.c +++ b/drivers/usb/serial/option.c @@ -1382,10 +1382,16 @@ static const struct usb_device_id option_ids[] = { .driver_info = NCTRL(0) | RSVD(1) }, { USB_DEVICE_INTERFACE_CLASS(TELIT_VENDOR_ID, 0x10a0, 0xff), /* Telit FN20C04 (rmnet) */ .driver_info = RSVD(0) | NCTRL(3) }, + { USB_DEVICE_INTERFACE_CLASS(TELIT_VENDOR_ID, 0x10a2, 0xff), /* Telit FN920C04 (MBIM) */ + .driver_info = NCTRL(4) }, { USB_DEVICE_INTERFACE_CLASS(TELIT_VENDOR_ID, 0x10a4, 0xff), /* Telit FN20C04 (rmnet) */ .driver_info = RSVD(0) | NCTRL(3) }, + { USB_DEVICE_INTERFACE_CLASS(TELIT_VENDOR_ID, 0x10a7, 0xff), /* Telit FN920C04 (MBIM) */ + .driver_info = NCTRL(4) }, { USB_DEVICE_INTERFACE_CLASS(TELIT_VENDOR_ID, 0x10a9, 0xff), /* Telit FN20C04 (rmnet) */ .driver_info = RSVD(0) | NCTRL(2) | RSVD(3) | RSVD(4) }, + { USB_DEVICE_INTERFACE_CLASS(TELIT_VENDOR_ID, 0x10aa, 0xff), /* Telit FN920C04 (MBIM) */ + .driver_info = NCTRL(3) | RSVD(4) | RSVD(5) }, { USB_DEVICE(TELIT_VENDOR_ID, TELIT_PRODUCT_ME910), .driver_info = NCTRL(0) | RSVD(1) | RSVD(3) }, { USB_DEVICE(TELIT_VENDOR_ID, TELIT_PRODUCT_ME910_DUAL_MODEM), From 1826b6d69bbb7f9ae8711827facbb2ad7f8d0aaa Mon Sep 17 00:00:00 2001 From: Takashi Iwai Date: Fri, 20 Sep 2024 12:32:19 +0200 Subject: [PATCH 561/649] parport: Proper fix for array out-of-bounds access commit 02ac3a9ef3a18b58d8f3ea2b6e46de657bf6c4f9 upstream. The recent fix for array out-of-bounds accesses replaced sprintf() calls blindly with snprintf(). However, since snprintf() returns the would-be-printed size, not the actually output size, the length calculation can still go over the given limit. Use scnprintf() instead of snprintf(), which returns the actually output letters, for addressing the potential out-of-bounds access properly. Fixes: ab11dac93d2d ("dev/parport: fix the array out-of-bounds risk") Cc: stable@vger.kernel.org Signed-off-by: Takashi Iwai Link: https://lore.kernel.org/r/20240920103318.19271-1-tiwai@suse.de Signed-off-by: Greg Kroah-Hartman --- drivers/parport/procfs.c | 22 +++++++++++----------- 1 file changed, 11 insertions(+), 11 deletions(-) diff --git a/drivers/parport/procfs.c b/drivers/parport/procfs.c index 8400a379186e..180376c09cb4 100644 --- a/drivers/parport/procfs.c +++ b/drivers/parport/procfs.c @@ -51,12 +51,12 @@ static int do_active_device(struct ctl_table *table, int write, for (dev = port->devices; dev ; dev = dev->next) { if(dev == port->cad) { - len += snprintf(buffer, sizeof(buffer), "%s\n", dev->name); + len += scnprintf(buffer, sizeof(buffer), "%s\n", dev->name); } } if(!len) { - len += snprintf(buffer, sizeof(buffer), "%s\n", "none"); + len += scnprintf(buffer, sizeof(buffer), "%s\n", "none"); } if (len > *lenp) @@ -87,19 +87,19 @@ static int do_autoprobe(struct ctl_table *table, int write, } if ((str = info->class_name) != NULL) - len += snprintf (buffer + len, sizeof(buffer) - len, "CLASS:%s;\n", str); + len += scnprintf (buffer + len, sizeof(buffer) - len, "CLASS:%s;\n", str); if ((str = info->model) != NULL) - len += snprintf (buffer + len, sizeof(buffer) - len, "MODEL:%s;\n", str); + len += scnprintf (buffer + len, sizeof(buffer) - len, "MODEL:%s;\n", str); if ((str = info->mfr) != NULL) - len += snprintf (buffer + len, sizeof(buffer) - len, "MANUFACTURER:%s;\n", str); + len += scnprintf (buffer + len, sizeof(buffer) - len, "MANUFACTURER:%s;\n", str); if ((str = info->description) != NULL) - len += snprintf (buffer + len, sizeof(buffer) - len, "DESCRIPTION:%s;\n", str); + len += scnprintf (buffer + len, sizeof(buffer) - len, "DESCRIPTION:%s;\n", str); if ((str = info->cmdset) != NULL) - len += snprintf (buffer + len, sizeof(buffer) - len, "COMMAND SET:%s;\n", str); + len += scnprintf (buffer + len, sizeof(buffer) - len, "COMMAND SET:%s;\n", str); if (len > *lenp) len = *lenp; @@ -128,7 +128,7 @@ static int do_hardware_base_addr(struct ctl_table *table, int write, if (write) /* permissions prevent this anyway */ return -EACCES; - len += snprintf (buffer, sizeof(buffer), "%lu\t%lu\n", port->base, port->base_hi); + len += scnprintf (buffer, sizeof(buffer), "%lu\t%lu\n", port->base, port->base_hi); if (len > *lenp) len = *lenp; @@ -155,7 +155,7 @@ static int do_hardware_irq(struct ctl_table *table, int write, if (write) /* permissions prevent this anyway */ return -EACCES; - len += snprintf (buffer, sizeof(buffer), "%d\n", port->irq); + len += scnprintf (buffer, sizeof(buffer), "%d\n", port->irq); if (len > *lenp) len = *lenp; @@ -182,7 +182,7 @@ static int do_hardware_dma(struct ctl_table *table, int write, if (write) /* permissions prevent this anyway */ return -EACCES; - len += snprintf (buffer, sizeof(buffer), "%d\n", port->dma); + len += scnprintf (buffer, sizeof(buffer), "%d\n", port->dma); if (len > *lenp) len = *lenp; @@ -213,7 +213,7 @@ static int do_hardware_modes(struct ctl_table *table, int write, #define printmode(x) \ do { \ if (port->modes & PARPORT_MODE_##x) \ - len += snprintf(buffer + len, sizeof(buffer) - len, "%s%s", f++ ? "," : "", #x); \ + len += scnprintf(buffer + len, sizeof(buffer) - len, "%s%s", f++ ? "," : "", #x); \ } while (0) int f = 0; printmode(PCSPP); From e475220d64befa9cbc9a23d627cba33da0edf1a9 Mon Sep 17 00:00:00 2001 From: Nathan Chancellor Date: Tue, 17 Sep 2024 09:02:53 -0700 Subject: [PATCH 562/649] x86/resctrl: Annotate get_mem_config() functions as __init commit d5fd042bf4cfb557981d65628e1779a492cd8cfa upstream. After a recent LLVM change [1] that deduces __cold on functions that only call cold code (such as __init functions), there is a section mismatch warning from __get_mem_config_intel(), which got moved to .text.unlikely. as a result of that optimization: WARNING: modpost: vmlinux: section mismatch in reference: \ __get_mem_config_intel+0x77 (section: .text.unlikely.) -> thread_throttle_mode_init (section: .init.text) Mark __get_mem_config_intel() as __init as well since it is only called from __init code, which clears up the warning. While __rdt_get_mem_config_amd() does not exhibit a warning because it does not call any __init code, it is a similar function that is only called from __init code like __get_mem_config_intel(), so mark it __init as well to keep the code symmetrical. CONFIG_SECTION_MISMATCH_WARN_ONLY=n would turn this into a fatal error. Fixes: 05b93417ce5b ("x86/intel_rdt/mba: Add primary support for Memory Bandwidth Allocation (MBA)") Fixes: 4d05bf71f157 ("x86/resctrl: Introduce AMD QOS feature") Signed-off-by: Nathan Chancellor Signed-off-by: Borislav Petkov (AMD) Reviewed-by: Reinette Chatre Cc: Link: https://github.com/llvm/llvm-project/commit/6b11573b8c5e3d36beee099dbe7347c2a007bf53 [1] Link: https://lore.kernel.org/r/20240917-x86-restctrl-get_mem_config_intel-init-v3-1-10d521256284@kernel.org Signed-off-by: Greg Kroah-Hartman --- arch/x86/kernel/cpu/resctrl/core.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/arch/x86/kernel/cpu/resctrl/core.c b/arch/x86/kernel/cpu/resctrl/core.c index 4ccb9039f595..32005e229c03 100644 --- a/arch/x86/kernel/cpu/resctrl/core.c +++ b/arch/x86/kernel/cpu/resctrl/core.c @@ -251,7 +251,7 @@ static inline bool rdt_get_mb_table(struct rdt_resource *r) return false; } -static bool __get_mem_config_intel(struct rdt_resource *r) +static __init bool __get_mem_config_intel(struct rdt_resource *r) { union cpuid_0x10_3_eax eax; union cpuid_0x10_x_edx edx; @@ -285,7 +285,7 @@ static bool __get_mem_config_intel(struct rdt_resource *r) return true; } -static bool __rdt_get_mem_config_amd(struct rdt_resource *r) +static __init bool __rdt_get_mem_config_amd(struct rdt_resource *r) { union cpuid_0x10_3_eax eax; union cpuid_0x10_x_edx edx; From 84628057885539edbbd9656c40336d9d89cf21fb Mon Sep 17 00:00:00 2001 From: Zhang Rui Date: Tue, 15 Oct 2024 14:15:22 +0800 Subject: [PATCH 563/649] x86/apic: Always explicitly disarm TSC-deadline timer commit ffd95846c6ec6cf1f93da411ea10d504036cab42 upstream. New processors have become pickier about the local APIC timer state before entering low power modes. These low power modes are used (for example) when you close your laptop lid and suspend. If you put your laptop in a bag and it is not in this low power mode, it is likely to get quite toasty while it quickly sucks the battery dry. The problem boils down to some CPUs' inability to power down until the CPU recognizes that the local APIC timer is shut down. The current kernel code works in one-shot and periodic modes but does not work for deadline mode. Deadline mode has been the supported and preferred mode on Intel CPUs for over a decade and uses an MSR to drive the timer instead of an APIC register. Disable the TSC Deadline timer in lapic_timer_shutdown() by writing to MSR_IA32_TSC_DEADLINE when in TSC-deadline mode. Also avoid writing to the initial-count register (APIC_TMICT) which is ignored in TSC-deadline mode. Note: The APIC_LVTT|=APIC_LVT_MASKED operation should theoretically be enough to tell the hardware that the timer will not fire in any of the timer modes. But mitigating AMD erratum 411[1] also requires clearing out APIC_TMICT. Solely setting APIC_LVT_MASKED is also ineffective in practice on Intel Lunar Lake systems, which is the motivation for this change. 1. 411 Processor May Exit Message-Triggered C1E State Without an Interrupt if Local APIC Timer Reaches Zero - https://www.amd.com/content/dam/amd/en/documents/archived-tech-docs/revision-guides/41322_10h_Rev_Gd.pdf Fixes: 279f1461432c ("x86: apic: Use tsc deadline for oneshot when available") Suggested-by: Dave Hansen Signed-off-by: Zhang Rui Signed-off-by: Dave Hansen Reviewed-by: Rafael J. Wysocki Tested-by: Srinivas Pandruvada Tested-by: Todd Brandt Cc: stable@vger.kernel.org Link: https://lore.kernel.org/all/20241015061522.25288-1-rui.zhang%40intel.com Signed-off-by: Greg Kroah-Hartman --- arch/x86/kernel/apic/apic.c | 14 +++++++++++++- 1 file changed, 13 insertions(+), 1 deletion(-) diff --git a/arch/x86/kernel/apic/apic.c b/arch/x86/kernel/apic/apic.c index 25eb69f26e03..3a3878817c20 100644 --- a/arch/x86/kernel/apic/apic.c +++ b/arch/x86/kernel/apic/apic.c @@ -491,7 +491,19 @@ static int lapic_timer_shutdown(struct clock_event_device *evt) v = apic_read(APIC_LVTT); v |= (APIC_LVT_MASKED | LOCAL_TIMER_VECTOR); apic_write(APIC_LVTT, v); - apic_write(APIC_TMICT, 0); + + /* + * Setting APIC_LVT_MASKED (above) should be enough to tell + * the hardware that this timer will never fire. But AMD + * erratum 411 and some Intel CPU behavior circa 2024 say + * otherwise. Time for belt and suspenders programming: mask + * the timer _and_ zero the counter registers: + */ + if (v & APIC_LVT_TIMER_TSCDEADLINE) + wrmsrl(MSR_IA32_TSC_DEADLINE, 0); + else + apic_write(APIC_TMICT, 0); + return 0; } From 9ab38a1cdb66b10688e07c6eea0b23e913168de1 Mon Sep 17 00:00:00 2001 From: Pawan Gupta Date: Wed, 25 Sep 2024 15:25:38 -0700 Subject: [PATCH 564/649] x86/entry_32: Do not clobber user EFLAGS.ZF commit 2e2e5143d4868163d6756c8c6a4d28cbfa5245e5 upstream. Opportunistic SYSEXIT executes VERW to clear CPU buffers after user EFLAGS are restored. This can clobber user EFLAGS.ZF. Move CLEAR_CPU_BUFFERS before the user EFLAGS are restored. This ensures that the user EFLAGS.ZF is not clobbered. Closes: https://lore.kernel.org/lkml/yVXwe8gvgmPADpRB6lXlicS2fcHoV5OHHxyuFbB_MEleRPD7-KhGe5VtORejtPe-KCkT8Uhcg5d7-IBw4Ojb4H7z5LQxoZylSmJ8KNL3A8o=@protonmail.com/ Fixes: a0e2dab44d22 ("x86/entry_32: Add VERW just before userspace transition") Reported-by: Jari Ruusu Signed-off-by: Pawan Gupta Signed-off-by: Dave Hansen Cc:stable@vger.kernel.org Link: https://lore.kernel.org/all/20240925-fix-dosemu-vm86-v7-1-1de0daca2d42%40linux.intel.com Signed-off-by: Greg Kroah-Hartman --- arch/x86/entry/entry_32.S | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/arch/x86/entry/entry_32.S b/arch/x86/entry/entry_32.S index 97d422f31c77..27d5582600ae 100644 --- a/arch/x86/entry/entry_32.S +++ b/arch/x86/entry/entry_32.S @@ -939,6 +939,8 @@ SYM_FUNC_START(entry_SYSENTER_32) /* Now ready to switch the cr3 */ SWITCH_TO_USER_CR3 scratch_reg=%eax + /* Clobbers ZF */ + CLEAR_CPU_BUFFERS /* * Restore all flags except IF. (We restore IF separately because @@ -949,7 +951,6 @@ SYM_FUNC_START(entry_SYSENTER_32) BUG_IF_WRONG_CR3 no_user_check=1 popfl popl %eax - CLEAR_CPU_BUFFERS /* * Return back to the vDSO, which will pop ecx and edx. From 6f44a5fc15b5cece0785bc07453db77d99b0a6de Mon Sep 17 00:00:00 2001 From: Pawan Gupta Date: Wed, 25 Sep 2024 15:25:44 -0700 Subject: [PATCH 565/649] x86/entry_32: Clear CPU buffers after register restore in NMI return commit 48a2440d0f20c826b884e04377ccc1e4696c84e9 upstream. CPU buffers are currently cleared after call to exc_nmi, but before register state is restored. This may be okay for MDS mitigation but not for RDFS. Because RDFS mitigation requires CPU buffers to be cleared when registers don't have any sensitive data. Move CLEAR_CPU_BUFFERS after RESTORE_ALL_NMI. Fixes: a0e2dab44d22 ("x86/entry_32: Add VERW just before userspace transition") Suggested-by: Dave Hansen Signed-off-by: Pawan Gupta Signed-off-by: Dave Hansen Cc:stable@vger.kernel.org Link: https://lore.kernel.org/all/20240925-fix-dosemu-vm86-v7-2-1de0daca2d42%40linux.intel.com Signed-off-by: Greg Kroah-Hartman --- arch/x86/entry/entry_32.S | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/arch/x86/entry/entry_32.S b/arch/x86/entry/entry_32.S index 27d5582600ae..c524aa3f094a 100644 --- a/arch/x86/entry/entry_32.S +++ b/arch/x86/entry/entry_32.S @@ -1222,7 +1222,6 @@ SYM_CODE_START(asm_exc_nmi) /* Not on SYSENTER stack. */ call exc_nmi - CLEAR_CPU_BUFFERS jmp .Lnmi_return .Lnmi_from_sysenter_stack: @@ -1243,6 +1242,7 @@ SYM_CODE_START(asm_exc_nmi) CHECK_AND_APPLY_ESPFIX RESTORE_ALL_NMI cr3_reg=%edi pop=4 + CLEAR_CPU_BUFFERS jmp .Lirq_return #ifdef CONFIG_X86_ESPFIX32 @@ -1284,6 +1284,7 @@ SYM_CODE_START(asm_exc_nmi) * 1 - orig_ax */ lss (1+5+6)*4(%esp), %esp # back to espfix stack + CLEAR_CPU_BUFFERS jmp .Lirq_return #endif SYM_CODE_END(asm_exc_nmi) From b7d7b7fc876f836f40bf48a87e07ea18756ba196 Mon Sep 17 00:00:00 2001 From: Marc Zyngier Date: Wed, 2 Oct 2024 21:49:59 +0100 Subject: [PATCH 566/649] irqchip/gic-v4: Don't allow a VMOVP on a dying VPE commit 1442ee0011983f0c5c4b92380e6853afb513841a upstream. Kunkun Jiang reported that there is a small window of opportunity for userspace to force a change of affinity for a VPE while the VPE has already been unmapped, but the corresponding doorbell interrupt still visible in /proc/irq/. Plug the race by checking the value of vmapp_count, which tracks whether the VPE is mapped ot not, and returning an error in this case. This involves making vmapp_count common to both GICv4.1 and its v4.0 ancestor. Fixes: 64edfaa9a234 ("irqchip/gic-v4.1: Implement the v4.1 flavour of VMAPP") Reported-by: Kunkun Jiang Signed-off-by: Marc Zyngier Signed-off-by: Thomas Gleixner Cc: stable@vger.kernel.org Link: https://lore.kernel.org/r/c182ece6-2ba0-ce4f-3404-dba7a3ab6c52@huawei.com Link: https://lore.kernel.org/all/20241002204959.2051709-1-maz@kernel.org Signed-off-by: Greg Kroah-Hartman --- drivers/irqchip/irq-gic-v3-its.c | 18 ++++++++++++------ include/linux/irqchip/arm-gic-v4.h | 4 +++- 2 files changed, 15 insertions(+), 7 deletions(-) diff --git a/drivers/irqchip/irq-gic-v3-its.c b/drivers/irqchip/irq-gic-v3-its.c index 6680cb3cd437..d8d3d0af988e 100644 --- a/drivers/irqchip/irq-gic-v3-its.c +++ b/drivers/irqchip/irq-gic-v3-its.c @@ -789,8 +789,8 @@ static struct its_vpe *its_build_vmapp_cmd(struct its_node *its, its_encode_valid(cmd, desc->its_vmapp_cmd.valid); if (!desc->its_vmapp_cmd.valid) { + alloc = !atomic_dec_return(&desc->its_vmapp_cmd.vpe->vmapp_count); if (is_v4_1(its)) { - alloc = !atomic_dec_return(&desc->its_vmapp_cmd.vpe->vmapp_count); its_encode_alloc(cmd, alloc); /* * Unmapping a VPE is self-synchronizing on GICv4.1, @@ -809,13 +809,13 @@ static struct its_vpe *its_build_vmapp_cmd(struct its_node *its, its_encode_vpt_addr(cmd, vpt_addr); its_encode_vpt_size(cmd, LPI_NRBITS - 1); + alloc = !atomic_fetch_inc(&desc->its_vmapp_cmd.vpe->vmapp_count); + if (!is_v4_1(its)) goto out; vconf_addr = virt_to_phys(page_address(desc->its_vmapp_cmd.vpe->its_vm->vprop_page)); - alloc = !atomic_fetch_inc(&desc->its_vmapp_cmd.vpe->vmapp_count); - its_encode_alloc(cmd, alloc); /* We can only signal PTZ when alloc==1. Why do we have two bits? */ @@ -3792,6 +3792,13 @@ static int its_vpe_set_affinity(struct irq_data *d, unsigned long flags; int from, cpu; + /* + * Check if we're racing against a VPE being destroyed, for + * which we don't want to allow a VMOVP. + */ + if (!atomic_read(&vpe->vmapp_count)) + return -EINVAL; + /* * Changing affinity is mega expensive, so let's be as lazy as * we can and only do it if we really have to. Also, if mapped @@ -4424,9 +4431,8 @@ static int its_vpe_init(struct its_vpe *vpe) raw_spin_lock_init(&vpe->vpe_lock); vpe->vpe_id = vpe_id; vpe->vpt_page = vpt_page; - if (gic_rdists->has_rvpeid) - atomic_set(&vpe->vmapp_count, 0); - else + atomic_set(&vpe->vmapp_count, 0); + if (!gic_rdists->has_rvpeid) vpe->vpe_proxy_event = -1; return 0; diff --git a/include/linux/irqchip/arm-gic-v4.h b/include/linux/irqchip/arm-gic-v4.h index 6976b8331b60..74e11617b861 100644 --- a/include/linux/irqchip/arm-gic-v4.h +++ b/include/linux/irqchip/arm-gic-v4.h @@ -56,10 +56,12 @@ struct its_vpe { bool enabled; bool group; } sgi_config[16]; - atomic_t vmapp_count; }; }; + /* Track the VPE being mapped */ + atomic_t vmapp_count; + /* * Ensures mutual exclusion between affinity setting of the * vPE and vLPI operations using vpe->col_idx. From 609937aa962a62e93acfc04dd370b665e6152dfb Mon Sep 17 00:00:00 2001 From: Geliang Tang Date: Sat, 19 Oct 2024 12:29:07 +0200 Subject: [PATCH 567/649] mptcp: track and update contiguous data status commit 0530020a7c8f2204e784f0dbdc882bbd961fdbde upstream. This patch adds a new member allow_infinite_fallback in mptcp_sock, which is initialized to 'true' when the connection begins and is set to 'false' on any retransmit or successful MP_JOIN. Only do infinite mapping fallback if there is a single subflow AND there have been no retransmissions AND there have never been any MP_JOINs. Suggested-by: Paolo Abeni Signed-off-by: Geliang Tang Signed-off-by: Mat Martineau Signed-off-by: David S. Miller Stable-dep-of: e32d262c89e2 ("mptcp: handle consistently DSS corruption") [ Conflicts in protocol.c, because commit 3e5014909b56 ("mptcp: cleanup MPJ subflow list handling") is not in this version. This commit is linked to a new feature, changing the context around. The new line can still be added at the same place. Conflicts in protocol.h, because commit 4f6e14bd19d6 ("mptcp: support TCP_CORK and TCP_NODELAY") is not in this version. This commit is linked to a new feature, changing the context around. The new line can still be added at the same place. Conflicts in subflow.c, because commit 0348c690ed37 ("mptcp: add the fallback check") is not in this version. This commit is linked to a new feature, changing the context around. The new line can still be added at the same place. Extra conflicts in v5.10, because the context has been changed. ] Signed-off-by: Matthieu Baerts (NGI0) Signed-off-by: Greg Kroah-Hartman --- net/mptcp/protocol.c | 6 +++++- net/mptcp/protocol.h | 1 + net/mptcp/subflow.c | 1 + 3 files changed, 7 insertions(+), 1 deletion(-) diff --git a/net/mptcp/protocol.c b/net/mptcp/protocol.c index 590e2c9bb67e..24a21ff0cb8a 100644 --- a/net/mptcp/protocol.c +++ b/net/mptcp/protocol.c @@ -1810,9 +1810,11 @@ static void mptcp_worker(struct work_struct *work) if (!mptcp_ext_cache_refill(msk)) break; } - if (copied) + if (copied) { tcp_push(ssk, msg.msg_flags, mss_now, tcp_sk(ssk)->nonagle, size_goal); + WRITE_ONCE(msk->allow_infinite_fallback, false); + } dfrag->data_seq = orig_write_seq; dfrag->offset = orig_offset; @@ -1845,6 +1847,7 @@ static int __mptcp_init_sock(struct sock *sk) msk->first = NULL; inet_csk(sk)->icsk_sync_mss = mptcp_sync_mss; + WRITE_ONCE(msk->allow_infinite_fallback, true); mptcp_pm_data_init(msk); @@ -2543,6 +2546,7 @@ bool mptcp_finish_join(struct sock *sk) if (parent_sock && !sk->sk_socket) mptcp_sock_graft(sk, parent_sock); subflow->map_seq = READ_ONCE(msk->ack_seq); + WRITE_ONCE(msk->allow_infinite_fallback, false); return true; } diff --git a/net/mptcp/protocol.h b/net/mptcp/protocol.h index 44944e8f73c5..2330140d6b1c 100644 --- a/net/mptcp/protocol.h +++ b/net/mptcp/protocol.h @@ -213,6 +213,7 @@ struct mptcp_sock { bool rcv_data_fin; bool snd_data_fin_enable; bool use_64bit_ack; /* Set when we received a 64-bit DSN */ + bool allow_infinite_fallback; spinlock_t join_list_lock; struct work_struct work; struct sk_buff *ooo_last_skb; diff --git a/net/mptcp/subflow.c b/net/mptcp/subflow.c index 843c61ebd421..0c020ca463f4 100644 --- a/net/mptcp/subflow.c +++ b/net/mptcp/subflow.c @@ -1179,6 +1179,7 @@ int __mptcp_subflow_connect(struct sock *sk, const struct mptcp_addr_info *loc, list_add_tail(&subflow->node, &msk->join_list); spin_unlock_bh(&msk->join_list_lock); + WRITE_ONCE(msk->allow_infinite_fallback, false); return err; failed: From fde99e972b8f88cebe619241d7aa43d288ef666a Mon Sep 17 00:00:00 2001 From: Paolo Abeni Date: Sat, 19 Oct 2024 12:29:08 +0200 Subject: [PATCH 568/649] mptcp: handle consistently DSS corruption commit e32d262c89e2b22cb0640223f953b548617ed8a6 upstream. Bugged peer implementation can send corrupted DSS options, consistently hitting a few warning in the data path. Use DEBUG_NET assertions, to avoid the splat on some builds and handle consistently the error, dumping related MIBs and performing fallback and/or reset according to the subflow type. Fixes: 6771bfd9ee24 ("mptcp: update mptcp ack sequence from work queue") Cc: stable@vger.kernel.org Signed-off-by: Paolo Abeni Reviewed-by: Matthieu Baerts (NGI0) Signed-off-by: Matthieu Baerts (NGI0) Link: https://patch.msgid.link/20241008-net-mptcp-fallback-fixes-v1-1-c6fb8e93e551@kernel.org Signed-off-by: Jakub Kicinski [ Conflicts in mib.[ch], because commit 104125b82e5c ("mptcp: add mib for infinite map sending") is linked to a new feature, not available in this version. Resolving the conflicts is easy, simply adding the new lines declaring the new "DSS corruptions" MIB entries. Also removed in protocol.c and subflow.c all DEBUG_NET_WARN_ON_ONCE because they are not defined in this version: enough with the MIB counters that have been added in this commit. ] Signed-off-by: Matthieu Baerts (NGI0) Signed-off-by: Greg Kroah-Hartman --- net/mptcp/mib.c | 2 ++ net/mptcp/mib.h | 2 ++ net/mptcp/protocol.c | 20 +++++++++++++++++--- net/mptcp/subflow.c | 2 +- 4 files changed, 22 insertions(+), 4 deletions(-) diff --git a/net/mptcp/mib.c b/net/mptcp/mib.c index f4034e000f3e..44d083958d8e 100644 --- a/net/mptcp/mib.c +++ b/net/mptcp/mib.c @@ -23,6 +23,8 @@ static const struct snmp_mib mptcp_snmp_list[] = { SNMP_MIB_ITEM("MPJoinAckRx", MPTCP_MIB_JOINACKRX), SNMP_MIB_ITEM("MPJoinAckHMacFailure", MPTCP_MIB_JOINACKMAC), SNMP_MIB_ITEM("DSSNotMatching", MPTCP_MIB_DSSNOMATCH), + SNMP_MIB_ITEM("DSSCorruptionFallback", MPTCP_MIB_DSSCORRUPTIONFALLBACK), + SNMP_MIB_ITEM("DSSCorruptionReset", MPTCP_MIB_DSSCORRUPTIONRESET), SNMP_MIB_ITEM("InfiniteMapRx", MPTCP_MIB_INFINITEMAPRX), SNMP_MIB_ITEM("OFOQueueTail", MPTCP_MIB_OFOQUEUETAIL), SNMP_MIB_ITEM("OFOQueue", MPTCP_MIB_OFOQUEUE), diff --git a/net/mptcp/mib.h b/net/mptcp/mib.h index a9f43ff00b3c..0e17e1cebdbc 100644 --- a/net/mptcp/mib.h +++ b/net/mptcp/mib.h @@ -16,6 +16,8 @@ enum linux_mptcp_mib_field { MPTCP_MIB_JOINACKRX, /* Received an ACK + MP_JOIN */ MPTCP_MIB_JOINACKMAC, /* HMAC was wrong on ACK + MP_JOIN */ MPTCP_MIB_DSSNOMATCH, /* Received a new mapping that did not match the previous one */ + MPTCP_MIB_DSSCORRUPTIONFALLBACK,/* DSS corruption detected, fallback */ + MPTCP_MIB_DSSCORRUPTIONRESET, /* DSS corruption detected, MPJ subflow reset */ MPTCP_MIB_INFINITEMAPRX, /* Received an infinite mapping */ MPTCP_MIB_OFOQUEUETAIL, /* Segments inserted into OoO queue tail */ MPTCP_MIB_OFOQUEUE, /* Segments inserted into OoO queue */ diff --git a/net/mptcp/protocol.c b/net/mptcp/protocol.c index 24a21ff0cb8a..8558309a2d3f 100644 --- a/net/mptcp/protocol.c +++ b/net/mptcp/protocol.c @@ -457,6 +457,18 @@ static void mptcp_check_data_fin(struct sock *sk) } } +static void mptcp_dss_corruption(struct mptcp_sock *msk, struct sock *ssk) +{ + if (READ_ONCE(msk->allow_infinite_fallback)) { + MPTCP_INC_STATS(sock_net(ssk), + MPTCP_MIB_DSSCORRUPTIONFALLBACK); + mptcp_do_fallback(ssk); + } else { + MPTCP_INC_STATS(sock_net(ssk), MPTCP_MIB_DSSCORRUPTIONRESET); + mptcp_subflow_reset(ssk); + } +} + static bool __mptcp_move_skbs_from_subflow(struct mptcp_sock *msk, struct sock *ssk, unsigned int *bytes) @@ -519,10 +531,12 @@ static bool __mptcp_move_skbs_from_subflow(struct mptcp_sock *msk, moved += len; seq += len; - if (WARN_ON_ONCE(map_remaining < len)) - break; + if (unlikely(map_remaining < len)) + mptcp_dss_corruption(msk, ssk); } else { - WARN_ON_ONCE(!fin); + if (unlikely(!fin)) + mptcp_dss_corruption(msk, ssk); + sk_eat_skb(ssk, skb); done = true; } diff --git a/net/mptcp/subflow.c b/net/mptcp/subflow.c index 0c020ca463f4..c3434069fb0a 100644 --- a/net/mptcp/subflow.c +++ b/net/mptcp/subflow.c @@ -702,7 +702,7 @@ static bool skb_is_fully_mapped(struct sock *ssk, struct sk_buff *skb) unsigned int skb_consumed; skb_consumed = tcp_sk(ssk)->copied_seq - TCP_SKB_CB(skb)->seq; - if (WARN_ON_ONCE(skb_consumed >= skb->len)) + if (unlikely(skb_consumed >= skb->len)) return true; return skb->len - skb_consumed <= subflow->map_data_len - From c38add9ac0e4d4f418e6443a688491499021add9 Mon Sep 17 00:00:00 2001 From: Paolo Abeni Date: Sat, 19 Oct 2024 12:29:09 +0200 Subject: [PATCH 569/649] tcp: fix mptcp DSS corruption due to large pmtu xmit commit 4dabcdf581217e60690467a37c956a5b8dbc6bd9 upstream. Syzkaller was able to trigger a DSS corruption: TCP: request_sock_subflow_v4: Possible SYN flooding on port [::]:20002. Sending cookies. ------------[ cut here ]------------ WARNING: CPU: 0 PID: 5227 at net/mptcp/protocol.c:695 __mptcp_move_skbs_from_subflow+0x20a9/0x21f0 net/mptcp/protocol.c:695 Modules linked in: CPU: 0 UID: 0 PID: 5227 Comm: syz-executor350 Not tainted 6.11.0-syzkaller-08829-gaf9c191ac2a0 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/06/2024 RIP: 0010:__mptcp_move_skbs_from_subflow+0x20a9/0x21f0 net/mptcp/protocol.c:695 Code: 0f b6 dc 31 ff 89 de e8 b5 dd ea f5 89 d8 48 81 c4 50 01 00 00 5b 41 5c 41 5d 41 5e 41 5f 5d c3 cc cc cc cc e8 98 da ea f5 90 <0f> 0b 90 e9 47 ff ff ff e8 8a da ea f5 90 0f 0b 90 e9 99 e0 ff ff RSP: 0018:ffffc90000006db8 EFLAGS: 00010246 RAX: ffffffff8ba9df18 RBX: 00000000000055f0 RCX: ffff888030023c00 RDX: 0000000000000100 RSI: 00000000000081e5 RDI: 00000000000055f0 RBP: 1ffff110062bf1ae R08: ffffffff8ba9cf12 R09: 1ffff110062bf1b8 R10: dffffc0000000000 R11: ffffed10062bf1b9 R12: 0000000000000000 R13: dffffc0000000000 R14: 00000000700cec61 R15: 00000000000081e5 FS: 000055556679c380(0000) GS:ffff8880b8600000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000020287000 CR3: 0000000077892000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: move_skbs_to_msk net/mptcp/protocol.c:811 [inline] mptcp_data_ready+0x29c/0xa90 net/mptcp/protocol.c:854 subflow_data_ready+0x34a/0x920 net/mptcp/subflow.c:1490 tcp_data_queue+0x20fd/0x76c0 net/ipv4/tcp_input.c:5283 tcp_rcv_established+0xfba/0x2020 net/ipv4/tcp_input.c:6237 tcp_v4_do_rcv+0x96d/0xc70 net/ipv4/tcp_ipv4.c:1915 tcp_v4_rcv+0x2dc0/0x37f0 net/ipv4/tcp_ipv4.c:2350 ip_protocol_deliver_rcu+0x22e/0x440 net/ipv4/ip_input.c:205 ip_local_deliver_finish+0x341/0x5f0 net/ipv4/ip_input.c:233 NF_HOOK+0x3a4/0x450 include/linux/netfilter.h:314 NF_HOOK+0x3a4/0x450 include/linux/netfilter.h:314 __netif_receive_skb_one_core net/core/dev.c:5662 [inline] __netif_receive_skb+0x2bf/0x650 net/core/dev.c:5775 process_backlog+0x662/0x15b0 net/core/dev.c:6107 __napi_poll+0xcb/0x490 net/core/dev.c:6771 napi_poll net/core/dev.c:6840 [inline] net_rx_action+0x89b/0x1240 net/core/dev.c:6962 handle_softirqs+0x2c5/0x980 kernel/softirq.c:554 do_softirq+0x11b/0x1e0 kernel/softirq.c:455 __local_bh_enable_ip+0x1bb/0x200 kernel/softirq.c:382 local_bh_enable include/linux/bottom_half.h:33 [inline] rcu_read_unlock_bh include/linux/rcupdate.h:919 [inline] __dev_queue_xmit+0x1764/0x3e80 net/core/dev.c:4451 dev_queue_xmit include/linux/netdevice.h:3094 [inline] neigh_hh_output include/net/neighbour.h:526 [inline] neigh_output include/net/neighbour.h:540 [inline] ip_finish_output2+0xd41/0x1390 net/ipv4/ip_output.c:236 ip_local_out net/ipv4/ip_output.c:130 [inline] __ip_queue_xmit+0x118c/0x1b80 net/ipv4/ip_output.c:536 __tcp_transmit_skb+0x2544/0x3b30 net/ipv4/tcp_output.c:1466 tcp_transmit_skb net/ipv4/tcp_output.c:1484 [inline] tcp_mtu_probe net/ipv4/tcp_output.c:2547 [inline] tcp_write_xmit+0x641d/0x6bf0 net/ipv4/tcp_output.c:2752 __tcp_push_pending_frames+0x9b/0x360 net/ipv4/tcp_output.c:3015 tcp_push_pending_frames include/net/tcp.h:2107 [inline] tcp_data_snd_check net/ipv4/tcp_input.c:5714 [inline] tcp_rcv_established+0x1026/0x2020 net/ipv4/tcp_input.c:6239 tcp_v4_do_rcv+0x96d/0xc70 net/ipv4/tcp_ipv4.c:1915 sk_backlog_rcv include/net/sock.h:1113 [inline] __release_sock+0x214/0x350 net/core/sock.c:3072 release_sock+0x61/0x1f0 net/core/sock.c:3626 mptcp_push_release net/mptcp/protocol.c:1486 [inline] __mptcp_push_pending+0x6b5/0x9f0 net/mptcp/protocol.c:1625 mptcp_sendmsg+0x10bb/0x1b10 net/mptcp/protocol.c:1903 sock_sendmsg_nosec net/socket.c:730 [inline] __sock_sendmsg+0x1a6/0x270 net/socket.c:745 ____sys_sendmsg+0x52a/0x7e0 net/socket.c:2603 ___sys_sendmsg net/socket.c:2657 [inline] __sys_sendmsg+0x2aa/0x390 net/socket.c:2686 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7fb06e9317f9 Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007ffe2cfd4f98 EFLAGS: 00000246 ORIG_RAX: 000000000000002e RAX: ffffffffffffffda RBX: 00007fb06e97f468 RCX: 00007fb06e9317f9 RDX: 0000000000000000 RSI: 0000000020000080 RDI: 0000000000000005 RBP: 00007fb06e97f446 R08: 0000555500000000 R09: 0000555500000000 R10: 0000555500000000 R11: 0000000000000246 R12: 00007fb06e97f406 R13: 0000000000000001 R14: 00007ffe2cfd4fe0 R15: 0000000000000003 Additionally syzkaller provided a nice reproducer. The repro enables pmtu on the loopback device, leading to tcp_mtu_probe() generating very large probe packets. tcp_can_coalesce_send_queue_head() currently does not check for mptcp-level invariants, and allowed the creation of cross-DSS probes, leading to the mentioned corruption. Address the issue teaching tcp_can_coalesce_send_queue_head() about mptcp using the tcp_skb_can_collapse(), also reducing the code duplication. Fixes: 85712484110d ("tcp: coalesce/collapse must respect MPTCP extensions") Cc: stable@vger.kernel.org Reported-by: syzbot+d1bff73460e33101f0e7@syzkaller.appspotmail.com Closes: https://github.com/multipath-tcp/mptcp_net-next/issues/513 Signed-off-by: Paolo Abeni Acked-by: Matthieu Baerts (NGI0) Signed-off-by: Matthieu Baerts (NGI0) Link: https://patch.msgid.link/20241008-net-mptcp-fallback-fixes-v1-2-c6fb8e93e551@kernel.org Signed-off-by: Jakub Kicinski [ Conflict in tcp_output.c, because commit 65249feb6b3d ("net: add support for skbs with unreadable frags"), and commit 9b65b17db723 ("net: avoid double accounting for pure zerocopy skbs") are not in this version. These commits are linked to new features and introduce new conditions which cause the conflicts. Resolving this is easy: we can ignore the missing new condition, and use tcp_skb_can_collapse() like in the original patch. ] Signed-off-by: Matthieu Baerts (NGI0) Signed-off-by: Greg Kroah-Hartman --- net/ipv4/tcp_output.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/net/ipv4/tcp_output.c b/net/ipv4/tcp_output.c index 68f1633c477a..165be30e42c0 100644 --- a/net/ipv4/tcp_output.c +++ b/net/ipv4/tcp_output.c @@ -2305,7 +2305,7 @@ static bool tcp_can_coalesce_send_queue_head(struct sock *sk, int len) if (len <= skb->len) break; - if (unlikely(TCP_SKB_CB(skb)->eor) || tcp_has_tx_tstamp(skb)) + if (tcp_has_tx_tstamp(skb) || !tcp_skb_can_collapse(skb, next)) return false; len -= skb->len; From c1d0476885d708a932980b0f28cd90d9bd71db39 Mon Sep 17 00:00:00 2001 From: Ryusuke Konishi Date: Fri, 4 Oct 2024 12:35:31 +0900 Subject: [PATCH 570/649] nilfs2: propagate directory read errors from nilfs_find_entry() commit 08cfa12adf888db98879dbd735bc741360a34168 upstream. Syzbot reported that a task hang occurs in vcs_open() during a fuzzing test for nilfs2. The root cause of this problem is that in nilfs_find_entry(), which searches for directory entries, ignores errors when loading a directory page/folio via nilfs_get_folio() fails. If the filesystem images is corrupted, and the i_size of the directory inode is large, and the directory page/folio is successfully read but fails the sanity check, for example when it is zero-filled, nilfs_check_folio() may continue to spit out error messages in bursts. Fix this issue by propagating the error to the callers when loading a page/folio fails in nilfs_find_entry(). The current interface of nilfs_find_entry() and its callers is outdated and cannot propagate error codes such as -EIO and -ENOMEM returned via nilfs_find_entry(), so fix it together. Link: https://lkml.kernel.org/r/20241004033640.6841-1-konishi.ryusuke@gmail.com Fixes: 2ba466d74ed7 ("nilfs2: directory entry operations") Signed-off-by: Ryusuke Konishi Reported-by: Lizhi Xu Closes: https://lkml.kernel.org/r/20240927013806.3577931-1-lizhi.xu@windriver.com Reported-by: syzbot+8a192e8d090fa9a31135@syzkaller.appspotmail.com Closes: https://syzkaller.appspot.com/bug?extid=8a192e8d090fa9a31135 Cc: Signed-off-by: Andrew Morton Signed-off-by: Greg Kroah-Hartman --- fs/nilfs2/dir.c | 50 +++++++++++++++++++++++++---------------------- fs/nilfs2/namei.c | 39 ++++++++++++++++++++++++------------ fs/nilfs2/nilfs.h | 2 +- 3 files changed, 54 insertions(+), 37 deletions(-) diff --git a/fs/nilfs2/dir.c b/fs/nilfs2/dir.c index 5c0e280c83ee..365cae5c3e35 100644 --- a/fs/nilfs2/dir.c +++ b/fs/nilfs2/dir.c @@ -331,6 +331,8 @@ static int nilfs_readdir(struct file *file, struct dir_context *ctx) * returns the page in which the entry was found, and the entry itself * (as a parameter - res_dir). Page is returned mapped and unlocked. * Entry is guaranteed to be valid. + * + * On failure, returns an error pointer and the caller should ignore res_page. */ struct nilfs_dir_entry * nilfs_find_entry(struct inode *dir, const struct qstr *qstr, @@ -358,22 +360,24 @@ nilfs_find_entry(struct inode *dir, const struct qstr *qstr, do { char *kaddr = nilfs_get_page(dir, n, &page); - if (!IS_ERR(kaddr)) { - de = (struct nilfs_dir_entry *)kaddr; - kaddr += nilfs_last_byte(dir, n) - reclen; - while ((char *) de <= kaddr) { - if (de->rec_len == 0) { - nilfs_error(dir->i_sb, - "zero-length directory entry"); - nilfs_put_page(page); - goto out; - } - if (nilfs_match(namelen, name, de)) - goto found; - de = nilfs_next_entry(de); + if (IS_ERR(kaddr)) + return ERR_CAST(kaddr); + + de = (struct nilfs_dir_entry *)kaddr; + kaddr += nilfs_last_byte(dir, n) - reclen; + while ((char *)de <= kaddr) { + if (de->rec_len == 0) { + nilfs_error(dir->i_sb, + "zero-length directory entry"); + nilfs_put_page(page); + goto out; } - nilfs_put_page(page); + if (nilfs_match(namelen, name, de)) + goto found; + de = nilfs_next_entry(de); } + nilfs_put_page(page); + if (++n >= npages) n = 0; /* next page is past the blocks we've got */ @@ -386,7 +390,7 @@ nilfs_find_entry(struct inode *dir, const struct qstr *qstr, } } while (n != start); out: - return NULL; + return ERR_PTR(-ENOENT); found: *res_page = page; @@ -431,19 +435,19 @@ struct nilfs_dir_entry *nilfs_dotdot(struct inode *dir, struct page **p) return NULL; } -ino_t nilfs_inode_by_name(struct inode *dir, const struct qstr *qstr) +int nilfs_inode_by_name(struct inode *dir, const struct qstr *qstr, ino_t *ino) { - ino_t res = 0; struct nilfs_dir_entry *de; struct page *page; de = nilfs_find_entry(dir, qstr, &page); - if (de) { - res = le64_to_cpu(de->inode); - kunmap(page); - put_page(page); - } - return res; + if (IS_ERR(de)) + return PTR_ERR(de); + + *ino = le64_to_cpu(de->inode); + kunmap(page); + put_page(page); + return 0; } /* Releases the page */ diff --git a/fs/nilfs2/namei.c b/fs/nilfs2/namei.c index a6ec7961d4f5..08c6d985edeb 100644 --- a/fs/nilfs2/namei.c +++ b/fs/nilfs2/namei.c @@ -55,12 +55,20 @@ nilfs_lookup(struct inode *dir, struct dentry *dentry, unsigned int flags) { struct inode *inode; ino_t ino; + int res; if (dentry->d_name.len > NILFS_NAME_LEN) return ERR_PTR(-ENAMETOOLONG); - ino = nilfs_inode_by_name(dir, &dentry->d_name); - inode = ino ? nilfs_iget(dir->i_sb, NILFS_I(dir)->i_root, ino) : NULL; + res = nilfs_inode_by_name(dir, &dentry->d_name, &ino); + if (res) { + if (res != -ENOENT) + return ERR_PTR(res); + inode = NULL; + } else { + inode = nilfs_iget(dir->i_sb, NILFS_I(dir)->i_root, ino); + } + return d_splice_alias(inode, dentry); } @@ -261,10 +269,11 @@ static int nilfs_do_unlink(struct inode *dir, struct dentry *dentry) struct page *page; int err; - err = -ENOENT; de = nilfs_find_entry(dir, &dentry->d_name, &page); - if (!de) + if (IS_ERR(de)) { + err = PTR_ERR(de); goto out; + } inode = d_inode(dentry); err = -EIO; @@ -358,10 +367,11 @@ static int nilfs_rename(struct inode *old_dir, struct dentry *old_dentry, if (unlikely(err)) return err; - err = -ENOENT; old_de = nilfs_find_entry(old_dir, &old_dentry->d_name, &old_page); - if (!old_de) + if (IS_ERR(old_de)) { + err = PTR_ERR(old_de); goto out; + } if (S_ISDIR(old_inode->i_mode)) { err = -EIO; @@ -378,10 +388,12 @@ static int nilfs_rename(struct inode *old_dir, struct dentry *old_dentry, if (dir_de && !nilfs_empty_dir(new_inode)) goto out_dir; - err = -ENOENT; - new_de = nilfs_find_entry(new_dir, &new_dentry->d_name, &new_page); - if (!new_de) + new_de = nilfs_find_entry(new_dir, &new_dentry->d_name, + &new_page); + if (IS_ERR(new_de)) { + err = PTR_ERR(new_de); goto out_dir; + } nilfs_set_link(new_dir, new_de, new_page, old_inode); nilfs_mark_inode_dirty(new_dir); new_inode->i_ctime = current_time(new_inode); @@ -435,14 +447,15 @@ static int nilfs_rename(struct inode *old_dir, struct dentry *old_dentry, */ static struct dentry *nilfs_get_parent(struct dentry *child) { - unsigned long ino; + ino_t ino; + int res; struct inode *inode; struct qstr dotdot = QSTR_INIT("..", 2); struct nilfs_root *root; - ino = nilfs_inode_by_name(d_inode(child), &dotdot); - if (!ino) - return ERR_PTR(-ENOENT); + res = nilfs_inode_by_name(d_inode(child), &dotdot, &ino); + if (res) + return ERR_PTR(res); root = NILFS_I(d_inode(child))->i_root; diff --git a/fs/nilfs2/nilfs.h b/fs/nilfs2/nilfs.h index 3f3971e0292d..e1b230a5011a 100644 --- a/fs/nilfs2/nilfs.h +++ b/fs/nilfs2/nilfs.h @@ -233,7 +233,7 @@ static inline __u32 nilfs_mask_flags(umode_t mode, __u32 flags) /* dir.c */ extern int nilfs_add_link(struct dentry *, struct inode *); -extern ino_t nilfs_inode_by_name(struct inode *, const struct qstr *); +int nilfs_inode_by_name(struct inode *dir, const struct qstr *qstr, ino_t *ino); extern int nilfs_make_empty(struct inode *, struct inode *); extern struct nilfs_dir_entry * nilfs_find_entry(struct inode *, const struct qstr *, struct page **); From 25e86fb0aeecf9485bd3a72d84637df015d6838f Mon Sep 17 00:00:00 2001 From: "Aneesh Kumar K.V" Date: Mon, 4 Jul 2022 12:08:51 +0530 Subject: [PATCH 571/649] powerpc/mm: Always update max/min_low_pfn in mem_topology_setup() commit 7b31f7dadd7074fa70bb14a53bd286ffdfc98b04 upstream. For both CONFIG_NUMA enabled/disabled use mem_topology_setup() to update max/min_low_pfn. This also adds min_low_pfn update to CONFIG_NUMA which was initialized to zero before. (mpe: Though MEMORY_START is == 0 for PPC64=y which is all possible NUMA=y systems) Signed-off-by: Aneesh Kumar K.V Signed-off-by: Michael Ellerman Link: https://lore.kernel.org/r/20220704063851.295482-1-aneesh.kumar@linux.ibm.com Signed-off-by: Greg Kroah-Hartman --- arch/powerpc/mm/numa.c | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) diff --git a/arch/powerpc/mm/numa.c b/arch/powerpc/mm/numa.c index ce8569e16f0c..96b3e31ee0f3 100644 --- a/arch/powerpc/mm/numa.c +++ b/arch/powerpc/mm/numa.c @@ -1177,6 +1177,9 @@ void __init mem_topology_setup(void) { int cpu; + max_low_pfn = max_pfn = memblock_end_of_DRAM() >> PAGE_SHIFT; + min_low_pfn = MEMORY_START >> PAGE_SHIFT; + /* * Linux/mm assumes node 0 to be online at boot. However this is not * true on PowerPC, where node 0 is similar to any other node, it @@ -1221,9 +1224,6 @@ void __init initmem_init(void) { int nid; - max_low_pfn = memblock_end_of_DRAM() >> PAGE_SHIFT; - max_pfn = max_low_pfn; - memblock_dump_all(); for_each_online_node(nid) { From 2abe57d62a454f1b42eb69d469964bfbe0be3257 Mon Sep 17 00:00:00 2001 From: Vasiliy Kovalev Date: Wed, 16 Oct 2024 11:07:13 +0300 Subject: [PATCH 572/649] ALSA: hda/conexant - Use cached pin control for Node 0x1d on HP EliteOne 1000 G2 commit 164cd0e077a18d6208523c82b102c98c77fdd51f upstream. The cached version avoids redundant commands to the codec, improving stability and reducing unnecessary operations. This change ensures better power management and reliable restoration of pin configurations, especially after hibernation (S4) and other power transitions. Fixes: 9988844c457f ("ALSA: hda/conexant - Fix audio routing for HP EliteOne 1000 G2") Suggested-by: Kai-Heng Feng Suggested-by: Takashi Iwai Signed-off-by: Vasiliy Kovalev Link: https://patch.msgid.link/20241016080713.46801-1-kovalev@altlinux.org Signed-off-by: Takashi Iwai Signed-off-by: Greg Kroah-Hartman --- sound/pci/hda/patch_conexant.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/sound/pci/hda/patch_conexant.c b/sound/pci/hda/patch_conexant.c index 199af020555c..51d97de74cad 100644 --- a/sound/pci/hda/patch_conexant.c +++ b/sound/pci/hda/patch_conexant.c @@ -261,7 +261,7 @@ static void cxt_fixup_update_pinctl(struct hda_codec *codec, * This is the value stored in the codec register after * the correct initialization of the previous windows boot. */ - snd_hda_set_pin_ctl(codec, 0x1d, AC_PINCTL_HP_EN); + snd_hda_set_pin_ctl_cache(codec, 0x1d, AC_PINCTL_HP_EN); } } From 5a8fa04b2a4de1d52be4a04690dcb52ac7998943 Mon Sep 17 00:00:00 2001 From: Greg Kroah-Hartman Date: Tue, 22 Oct 2024 15:39:30 +0200 Subject: [PATCH 573/649] Linux 5.10.228 Link: https://lore.kernel.org/r/20241021102241.624153108@linuxfoundation.org Tested-by: Florian Fainelli Tested-by: Linux Kernel Functional Testing Tested-by: Pavel Machek (CIP) Tested-by: Mark Brown Signed-off-by: Greg Kroah-Hartman --- Makefile | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/Makefile b/Makefile index 87bfb6c78600..7dbddd98e441 100644 --- a/Makefile +++ b/Makefile @@ -1,7 +1,7 @@ # SPDX-License-Identifier: GPL-2.0 VERSION = 5 PATCHLEVEL = 10 -SUBLEVEL = 227 +SUBLEVEL = 228 EXTRAVERSION = NAME = Dare mighty things From c17e5cbbb180bf45c415dc2f0c9a89dfdf9bf512 Mon Sep 17 00:00:00 2001 From: Saravanan Vajravel Date: Wed, 18 Sep 2024 20:05:57 -0700 Subject: [PATCH 574/649] RDMA/bnxt_re: Fix incorrect AVID type in WQE structure [ Upstream commit 9ab20f76ae9fad55ebaf36bdff04aea1c2552374 ] Driver uses internal data structure to construct WQE frame. It used avid type as u16 which can accommodate up to 64K AVs. When outstanding AVID crosses 64K, driver truncates AVID and hence it uses incorrect AVID to WR. This leads to WR failure due to invalid AV ID and QP is moved to error state with reason set to 19 (INVALID AVID). When RDMA CM path is used, this issue hits QP1 and it is moved to error state Fixes: 1ac5a4047975 ("RDMA/bnxt_re: Add bnxt_re RoCE driver") Link: https://patch.msgid.link/r/1726715161-18941-3-git-send-email-selvin.xavier@broadcom.com Reviewed-by: Selvin Xavier Reviewed-by: Chandramohan Akula Signed-off-by: Saravanan Vajravel Signed-off-by: Kalesh AP Signed-off-by: Selvin Xavier Signed-off-by: Jason Gunthorpe Signed-off-by: Leon Romanovsky Signed-off-by: Sasha Levin --- drivers/infiniband/hw/bnxt_re/qplib_fp.h | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/infiniband/hw/bnxt_re/qplib_fp.h b/drivers/infiniband/hw/bnxt_re/qplib_fp.h index f112f013df7d..01cb48caa9db 100644 --- a/drivers/infiniband/hw/bnxt_re/qplib_fp.h +++ b/drivers/infiniband/hw/bnxt_re/qplib_fp.h @@ -167,7 +167,7 @@ struct bnxt_qplib_swqe { }; u32 q_key; u32 dst_qp; - u16 avid; + u32 avid; } send; /* Send Raw Ethernet and QP1 */ From dbe51dd516e6d4e655f31c8a1cbc050dde7ba97b Mon Sep 17 00:00:00 2001 From: Kalesh AP Date: Wed, 18 Sep 2024 20:05:58 -0700 Subject: [PATCH 575/649] RDMA/bnxt_re: Add a check for memory allocation [ Upstream commit c5c1ae73b7741fa3b58e6e001b407825bb971225 ] __alloc_pbl() can return error when memory allocation fails. Driver is not checking the status on one of the instances. Fixes: 0c4dcd602817 ("RDMA/bnxt_re: Refactor hardware queue memory allocation") Link: https://patch.msgid.link/r/1726715161-18941-4-git-send-email-selvin.xavier@broadcom.com Reviewed-by: Selvin Xavier Signed-off-by: Kalesh AP Signed-off-by: Selvin Xavier Signed-off-by: Jason Gunthorpe Signed-off-by: Leon Romanovsky Signed-off-by: Sasha Levin --- drivers/infiniband/hw/bnxt_re/qplib_res.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/drivers/infiniband/hw/bnxt_re/qplib_res.c b/drivers/infiniband/hw/bnxt_re/qplib_res.c index 123ea759f282..2861a2bbea6e 100644 --- a/drivers/infiniband/hw/bnxt_re/qplib_res.c +++ b/drivers/infiniband/hw/bnxt_re/qplib_res.c @@ -243,6 +243,8 @@ int bnxt_qplib_alloc_init_hwq(struct bnxt_qplib_hwq *hwq, sginfo.pgsize = npde * pg_size; sginfo.npages = 1; rc = __alloc_pbl(res, &hwq->pbl[PBL_LVL_0], &sginfo); + if (rc) + goto fail; /* Alloc PBL pages */ sginfo.npages = npbl; From 9076d449e77be6d34b11411d6a8178cb7f95c915 Mon Sep 17 00:00:00 2001 From: Florian Klink Date: Tue, 16 Jul 2024 02:03:11 +0300 Subject: [PATCH 576/649] ARM: dts: bcm2837-rpi-cm3-io3: Fix HDMI hpd-gpio pin [ Upstream commit dc7785e4723510616d776862ddb4c08857a1bdb2 ] HDMI_HPD_N_1V8 is connected to GPIO pin 0, not 1. This fixes HDMI hotplug/output detection. See https://datasheets.raspberrypi.com/cm/cm3-schematics.pdf Signed-off-by: Florian Klink Reviewed-by: Stefan Wahren Link: https://lore.kernel.org/r/20240715230311.685641-1-flokli@flokli.de Reviewed-by: Stefan Wahren Fixes: a54fe8a6cf66 ("ARM: dts: add Raspberry Pi Compute Module 3 and IO board") Signed-off-by: Florian Fainelli Signed-off-by: Sasha Levin --- arch/arm/boot/dts/bcm2837-rpi-cm3-io3.dts | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/arch/arm/boot/dts/bcm2837-rpi-cm3-io3.dts b/arch/arm/boot/dts/bcm2837-rpi-cm3-io3.dts index 3dfce4312dfc..a2ef43c2105a 100644 --- a/arch/arm/boot/dts/bcm2837-rpi-cm3-io3.dts +++ b/arch/arm/boot/dts/bcm2837-rpi-cm3-io3.dts @@ -77,7 +77,7 @@ &gpio { }; &hdmi { - hpd-gpios = <&expgpio 1 GPIO_ACTIVE_LOW>; + hpd-gpios = <&expgpio 0 GPIO_ACTIVE_LOW>; power-domains = <&power RPI_POWER_DOMAIN_HDMI>; status = "okay"; }; From 59df170bdec9e08b9b4486c88fe6d09ff94bc6f9 Mon Sep 17 00:00:00 2001 From: Anumula Murali Mohan Reddy Date: Mon, 7 Oct 2024 18:53:11 +0530 Subject: [PATCH 577/649] RDMA/cxgb4: Fix RDMA_CM_EVENT_UNREACHABLE error for iWARP [ Upstream commit c659b405b82ead335bee6eb33f9691bf718e21e8 ] ip_dev_find() always returns real net_device address, whether traffic is running on a vlan or real device, if traffic is over vlan, filling endpoint struture with real ndev and an attempt to send a connect request will results in RDMA_CM_EVENT_UNREACHABLE error. This patch fixes the issue by using vlan_dev_real_dev(). Fixes: 830662f6f032 ("RDMA/cxgb4: Add support for active and passive open connection with IPv6 address") Link: https://patch.msgid.link/r/20241007132311.70593-1-anumula@chelsio.com Signed-off-by: Anumula Murali Mohan Reddy Signed-off-by: Potnuri Bharat Teja Signed-off-by: Jason Gunthorpe Signed-off-by: Sasha Levin --- drivers/infiniband/hw/cxgb4/cm.c | 9 ++++----- 1 file changed, 4 insertions(+), 5 deletions(-) diff --git a/drivers/infiniband/hw/cxgb4/cm.c b/drivers/infiniband/hw/cxgb4/cm.c index 95300b2e1ffe..b607c1782738 100644 --- a/drivers/infiniband/hw/cxgb4/cm.c +++ b/drivers/infiniband/hw/cxgb4/cm.c @@ -2086,7 +2086,7 @@ static int import_ep(struct c4iw_ep *ep, int iptype, __u8 *peer_ip, err = -ENOMEM; if (n->dev->flags & IFF_LOOPBACK) { if (iptype == 4) - pdev = ip_dev_find(&init_net, *(__be32 *)peer_ip); + pdev = __ip_dev_find(&init_net, *(__be32 *)peer_ip, false); else if (IS_ENABLED(CONFIG_IPV6)) for_each_netdev(&init_net, pdev) { if (ipv6_chk_addr(&init_net, @@ -2101,12 +2101,12 @@ static int import_ep(struct c4iw_ep *ep, int iptype, __u8 *peer_ip, err = -ENODEV; goto out; } + if (is_vlan_dev(pdev)) + pdev = vlan_dev_real_dev(pdev); ep->l2t = cxgb4_l2t_get(cdev->rdev.lldi.l2t, n, pdev, rt_tos2priority(tos)); - if (!ep->l2t) { - dev_put(pdev); + if (!ep->l2t) goto out; - } ep->mtu = pdev->mtu; ep->tx_chan = cxgb4_port_chan(pdev); ep->smac_idx = ((struct port_info *)netdev_priv(pdev))->smt_idx; @@ -2119,7 +2119,6 @@ static int import_ep(struct c4iw_ep *ep, int iptype, __u8 *peer_ip, ep->rss_qid = cdev->rdev.lldi.rxq_ids[ cxgb4_port_idx(pdev) * step]; set_tcp_window(ep, (struct port_info *)netdev_priv(pdev)); - dev_put(pdev); } else { pdev = get_real_dev(n->dev); ep->l2t = cxgb4_l2t_get(cdev->rdev.lldi.l2t, From 718609f51866e27c533dd018a6f88a2542bea2de Mon Sep 17 00:00:00 2001 From: Xin Long Date: Wed, 9 Oct 2024 14:47:13 -0400 Subject: [PATCH 578/649] ipv4: give an IPv4 dev to blackhole_netdev [ Upstream commit 22600596b6756b166fd052d5facb66287e6f0bad ] After commit 8d7017fd621d ("blackhole_netdev: use blackhole_netdev to invalidate dst entries"), blackhole_netdev was introduced to invalidate dst cache entries on the TX path whenever the cache times out or is flushed. When two UDP sockets (sk1 and sk2) send messages to the same destination simultaneously, they are using the same dst cache. If the dst cache is invalidated on one path (sk2) while the other (sk1) is still transmitting, sk1 may try to use the invalid dst entry. CPU1 CPU2 udp_sendmsg(sk1) udp_sendmsg(sk2) udp_send_skb() ip_output() <--- dst timeout or flushed dst_dev_put() ip_finish_output2() ip_neigh_for_gw() This results in a scenario where ip_neigh_for_gw() returns -EINVAL because blackhole_dev lacks an in_dev, which is needed to initialize the neigh in arp_constructor(). This error is then propagated back to userspace, breaking the UDP application. The patch fixes this issue by assigning an in_dev to blackhole_dev for IPv4, similar to what was done for IPv6 in commit e5f80fcf869a ("ipv6: give an IPv6 dev to blackhole_netdev"). This ensures that even when the dst entry is invalidated with blackhole_dev, it will not fail to create the neigh entry. As devinet_init() is called ealier than blackhole_netdev_init() in system booting, it can not assign the in_dev to blackhole_dev in devinet_init(). As Paolo suggested, add a separate late_initcall() in devinet.c to ensure inet_blackhole_dev_init() is called after blackhole_netdev_init(). Fixes: 8d7017fd621d ("blackhole_netdev: use blackhole_netdev to invalidate dst entries") Signed-off-by: Xin Long Reviewed-by: Eric Dumazet Link: https://patch.msgid.link/3000792d45ca44e16c785ebe2b092e610e5b3df1.1728499633.git.lucien.xin@gmail.com Signed-off-by: Jakub Kicinski Signed-off-by: Sasha Levin --- net/ipv4/devinet.c | 35 +++++++++++++++++++++++++---------- 1 file changed, 25 insertions(+), 10 deletions(-) diff --git a/net/ipv4/devinet.c b/net/ipv4/devinet.c index 7868f316a477..6918b3ced671 100644 --- a/net/ipv4/devinet.c +++ b/net/ipv4/devinet.c @@ -273,17 +273,19 @@ static struct in_device *inetdev_init(struct net_device *dev) /* Account for reference dev->ip_ptr (below) */ refcount_set(&in_dev->refcnt, 1); - err = devinet_sysctl_register(in_dev); - if (err) { - in_dev->dead = 1; - neigh_parms_release(&arp_tbl, in_dev->arp_parms); - in_dev_put(in_dev); - in_dev = NULL; - goto out; + if (dev != blackhole_netdev) { + err = devinet_sysctl_register(in_dev); + if (err) { + in_dev->dead = 1; + neigh_parms_release(&arp_tbl, in_dev->arp_parms); + in_dev_put(in_dev); + in_dev = NULL; + goto out; + } + ip_mc_init_dev(in_dev); + if (dev->flags & IFF_UP) + ip_mc_up(in_dev); } - ip_mc_init_dev(in_dev); - if (dev->flags & IFF_UP) - ip_mc_up(in_dev); /* we can receive as soon as ip_ptr is set -- do this last */ rcu_assign_pointer(dev->ip_ptr, in_dev); @@ -328,6 +330,19 @@ static void inetdev_destroy(struct in_device *in_dev) call_rcu(&in_dev->rcu_head, in_dev_rcu_put); } +static int __init inet_blackhole_dev_init(void) +{ + int err = 0; + + rtnl_lock(); + if (!inetdev_init(blackhole_netdev)) + err = -ENOMEM; + rtnl_unlock(); + + return err; +} +late_initcall(inet_blackhole_dev_init); + int inet_addr_onlink(struct in_device *in_dev, __be32 a, __be32 b) { const struct in_ifaddr *ifa; From 78aaf54ad5d7775aab92529ac2895acce8afd324 Mon Sep 17 00:00:00 2001 From: Kalesh AP Date: Tue, 8 Oct 2024 00:41:36 -0700 Subject: [PATCH 579/649] RDMA/bnxt_re: Return more meaningful error [ Upstream commit 98647df0178df215b8239c5c365537283b2852a6 ] When the HWRM command fails, driver currently returns -EFAULT(Bad address). This does not look correct. Modified to return -EIO(I/O error). Fixes: cc1ec769b87c ("RDMA/bnxt_re: Fixing the Control path command and response handling") Fixes: 65288a22ddd8 ("RDMA/bnxt_re: use shadow qd while posting non blocking rcfw command") Link: https://patch.msgid.link/r/1728373302-19530-5-git-send-email-selvin.xavier@broadcom.com Signed-off-by: Kalesh AP Signed-off-by: Selvin Xavier Signed-off-by: Jason Gunthorpe Signed-off-by: Sasha Levin --- drivers/infiniband/hw/bnxt_re/qplib_rcfw.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/infiniband/hw/bnxt_re/qplib_rcfw.c b/drivers/infiniband/hw/bnxt_re/qplib_rcfw.c index 2b0c3a86293c..148f2c51a946 100644 --- a/drivers/infiniband/hw/bnxt_re/qplib_rcfw.c +++ b/drivers/infiniband/hw/bnxt_re/qplib_rcfw.c @@ -245,7 +245,7 @@ int bnxt_qplib_rcfw_send_message(struct bnxt_qplib_rcfw *rcfw, /* failed with status */ dev_err(&rcfw->pdev->dev, "cmdq[%#x]=%#x status %#x\n", cookie, opcode, evnt->status); - rc = -EFAULT; + rc = -EIO; } return rc; From df6fed0a2a1a5e57f033bca40dc316b18e0d0ce6 Mon Sep 17 00:00:00 2001 From: Bhargava Chenna Marreddy Date: Tue, 8 Oct 2024 00:41:41 -0700 Subject: [PATCH 580/649] RDMA/bnxt_re: Fix a bug while setting up Level-2 PBL pages [ Upstream commit 7988bdbbb85ac85a847baf09879edcd0f70521dc ] Avoid memory corruption while setting up Level-2 PBL pages for the non MR resources when num_pages > 256K. There will be a single PDE page address (contiguous pages in the case of > PAGE_SIZE), but, current logic assumes multiple pages, leading to invalid memory access after 256K PBL entries in the PDE. Fixes: 0c4dcd602817 ("RDMA/bnxt_re: Refactor hardware queue memory allocation") Link: https://patch.msgid.link/r/1728373302-19530-10-git-send-email-selvin.xavier@broadcom.com Signed-off-by: Bhargava Chenna Marreddy Signed-off-by: Selvin Xavier Signed-off-by: Jason Gunthorpe Signed-off-by: Sasha Levin --- drivers/infiniband/hw/bnxt_re/qplib_res.c | 19 +++---------------- 1 file changed, 3 insertions(+), 16 deletions(-) diff --git a/drivers/infiniband/hw/bnxt_re/qplib_res.c b/drivers/infiniband/hw/bnxt_re/qplib_res.c index 2861a2bbea6e..af23e57fc78e 100644 --- a/drivers/infiniband/hw/bnxt_re/qplib_res.c +++ b/drivers/infiniband/hw/bnxt_re/qplib_res.c @@ -256,22 +256,9 @@ int bnxt_qplib_alloc_init_hwq(struct bnxt_qplib_hwq *hwq, dst_virt_ptr = (dma_addr_t **)hwq->pbl[PBL_LVL_0].pg_arr; src_phys_ptr = hwq->pbl[PBL_LVL_1].pg_map_arr; - if (hwq_attr->type == HWQ_TYPE_MR) { - /* For MR it is expected that we supply only 1 contigous - * page i.e only 1 entry in the PDL that will contain - * all the PBLs for the user supplied memory region - */ - for (i = 0; i < hwq->pbl[PBL_LVL_1].pg_count; - i++) - dst_virt_ptr[0][i] = src_phys_ptr[i] | - flag; - } else { - for (i = 0; i < hwq->pbl[PBL_LVL_1].pg_count; - i++) - dst_virt_ptr[PTR_PG(i)][PTR_IDX(i)] = - src_phys_ptr[i] | - PTU_PDE_VALID; - } + for (i = 0; i < hwq->pbl[PBL_LVL_1].pg_count; i++) + dst_virt_ptr[0][i] = src_phys_ptr[i] | flag; + /* Alloc or init PTEs */ rc = __alloc_pbl(res, &hwq->pbl[PBL_LVL_2], hwq_attr->sginfo); From 2c7dd3ca6be9065e6124a0834475a8ff9569655b Mon Sep 17 00:00:00 2001 From: Jonathan Marek Date: Mon, 7 Oct 2024 01:01:49 -0400 Subject: [PATCH 581/649] drm/msm/dsi: fix 32-bit signed integer extension in pclk_rate calculation [ Upstream commit 358b762400bd94db2a14a72dfcef74c7da6bd845 ] When (mode->clock * 1000) is larger than (1<<31), int to unsigned long conversion will sign extend the int to 64 bits and the pclk_rate value will be incorrect. Fix this by making the result of the multiplication unsigned. Note that above (1<<32) would still be broken and require more changes, but its unlikely anyone will need that anytime soon. Fixes: c4d8cfe516dc ("drm/msm/dsi: add implementation for helper functions") Signed-off-by: Jonathan Marek Reviewed-by: Dmitry Baryshkov Reviewed-by: Abhinav Kumar Patchwork: https://patchwork.freedesktop.org/patch/618434/ Link: https://lore.kernel.org/r/20241007050157.26855-2-jonathan@marek.ca Signed-off-by: Abhinav Kumar Signed-off-by: Sasha Levin --- drivers/gpu/drm/msm/dsi/dsi_host.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/gpu/drm/msm/dsi/dsi_host.c b/drivers/gpu/drm/msm/dsi/dsi_host.c index fb7792ca39e2..b69099b533bf 100644 --- a/drivers/gpu/drm/msm/dsi/dsi_host.c +++ b/drivers/gpu/drm/msm/dsi/dsi_host.c @@ -685,7 +685,7 @@ static u32 dsi_get_pclk_rate(struct msm_dsi_host *msm_host, bool is_dual_dsi) struct drm_display_mode *mode = msm_host->mode; u32 pclk_rate; - pclk_rate = mode->clock * 1000; + pclk_rate = mode->clock * 1000u; /* * For dual DSI mode, the current DRM mode has the complete width of the From 56dbb74b6a4b09f37be654e21e89157e7b24e083 Mon Sep 17 00:00:00 2001 From: Sabrina Dubroca Date: Fri, 11 Oct 2024 17:16:37 +0200 Subject: [PATCH 582/649] macsec: don't increment counters for an unrelated SA [ Upstream commit cf58aefb1332db322060cad4a330d5f9292b0f41 ] On RX, we shouldn't be incrementing the stats for an arbitrary SA in case the actual SA hasn't been set up. Those counters are intended to track packets for their respective AN when the SA isn't currently configured. Due to the way MACsec is implemented, we don't keep counters unless the SA is configured, so we can't track those packets, and those counters will remain at 0. The RXSC's stats keeps track of those packets without telling us which AN they belonged to. We could add counters for non-existent SAs, and then find a way to integrate them in the dump to userspace, but I don't think it's worth the effort. Fixes: 91ec9bd57f35 ("macsec: Fix traffic counters/statistics") Reported-by: Paolo Abeni Signed-off-by: Sabrina Dubroca Link: https://patch.msgid.link/f5ac92aaa5b89343232615f4c03f9f95042c6aa0.1728657709.git.sd@queasysnail.net Signed-off-by: Jakub Kicinski Signed-off-by: Sasha Levin --- drivers/net/macsec.c | 18 ------------------ 1 file changed, 18 deletions(-) diff --git a/drivers/net/macsec.c b/drivers/net/macsec.c index 83b02dc7dfd2..5e30fd017b3a 100644 --- a/drivers/net/macsec.c +++ b/drivers/net/macsec.c @@ -159,19 +159,6 @@ static struct macsec_rx_sa *macsec_rxsa_get(struct macsec_rx_sa __rcu *ptr) return sa; } -static struct macsec_rx_sa *macsec_active_rxsa_get(struct macsec_rx_sc *rx_sc) -{ - struct macsec_rx_sa *sa = NULL; - int an; - - for (an = 0; an < MACSEC_NUM_AN; an++) { - sa = macsec_rxsa_get(rx_sc->sa[an]); - if (sa) - break; - } - return sa; -} - static void free_rx_sc_rcu(struct rcu_head *head) { struct macsec_rx_sc *rx_sc = container_of(head, struct macsec_rx_sc, rcu_head); @@ -1196,15 +1183,12 @@ static rx_handler_result_t macsec_handle_frame(struct sk_buff **pskb) /* If validateFrames is Strict or the C bit in the * SecTAG is set, discard */ - struct macsec_rx_sa *active_rx_sa = macsec_active_rxsa_get(rx_sc); if (hdr->tci_an & MACSEC_TCI_C || secy->validate_frames == MACSEC_VALIDATE_STRICT) { u64_stats_update_begin(&rxsc_stats->syncp); rxsc_stats->stats.InPktsNotUsingSA++; u64_stats_update_end(&rxsc_stats->syncp); DEV_STATS_INC(secy->netdev, rx_errors); - if (active_rx_sa) - this_cpu_inc(active_rx_sa->stats->InPktsNotUsingSA); goto drop_nosa; } @@ -1214,8 +1198,6 @@ static rx_handler_result_t macsec_handle_frame(struct sk_buff **pskb) u64_stats_update_begin(&rxsc_stats->syncp); rxsc_stats->stats.InPktsUnusedSA++; u64_stats_update_end(&rxsc_stats->syncp); - if (active_rx_sa) - this_cpu_inc(active_rx_sa->stats->InPktsUnusedSA); goto deliver; } From aacf6e28aedaf5a4f6f9d5acd94349ec18fab8ab Mon Sep 17 00:00:00 2001 From: Wang Hai Date: Sat, 12 Oct 2024 19:04:34 +0800 Subject: [PATCH 583/649] net: ethernet: aeroflex: fix potential memory leak in greth_start_xmit_gbit() [ Upstream commit cf57b5d7a2aad456719152ecd12007fe031628a3 ] The greth_start_xmit_gbit() returns NETDEV_TX_OK without freeing skb in case of skb->len being too long, add dev_kfree_skb() to fix it. Fixes: d4c41139df6e ("net: Add Aeroflex Gaisler 10/100/1G Ethernet MAC driver") Signed-off-by: Wang Hai Reviewed-by: Gerhard Engleder Link: https://patch.msgid.link/20241012110434.49265-1-wanghai38@huawei.com Signed-off-by: Jakub Kicinski Signed-off-by: Sasha Levin --- drivers/net/ethernet/aeroflex/greth.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/drivers/net/ethernet/aeroflex/greth.c b/drivers/net/ethernet/aeroflex/greth.c index 0d56cb4f5dd9..c84b9acc319f 100644 --- a/drivers/net/ethernet/aeroflex/greth.c +++ b/drivers/net/ethernet/aeroflex/greth.c @@ -484,7 +484,7 @@ greth_start_xmit_gbit(struct sk_buff *skb, struct net_device *dev) if (unlikely(skb->len > MAX_FRAME_SIZE)) { dev->stats.tx_errors++; - goto out; + goto len_error; } /* Save skb pointer. */ @@ -575,6 +575,7 @@ greth_start_xmit_gbit(struct sk_buff *skb, struct net_device *dev) map_error: if (net_ratelimit()) dev_warn(greth->dev, "Could not create TX DMA mapping\n"); +len_error: dev_kfree_skb(skb); out: return err; From f48eaf4e88c378a3e8dfb9f69e28a8eac788e3d7 Mon Sep 17 00:00:00 2001 From: Li RongQing Date: Mon, 14 Oct 2024 19:53:21 +0800 Subject: [PATCH 584/649] net/smc: Fix searching in list of known pnetids in smc_pnet_add_pnetid [ Upstream commit 82ac39ebd6db0c9f7a97a934bda1e3e101a9d201 ] pnetid of pi (not newly allocated pe) should be compared Fixes: e888a2e8337c ("net/smc: introduce list of pnetids for Ethernet devices") Reviewed-by: D. Wythe Reviewed-by: Wen Gu Signed-off-by: Li RongQing Reviewed-by: Simon Horman Reviewed-by: Gerd Bayer Link: https://patch.msgid.link/20241014115321.33234-1-lirongqing@baidu.com Signed-off-by: Jakub Kicinski Signed-off-by: Sasha Levin --- net/smc/smc_pnet.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/net/smc/smc_pnet.c b/net/smc/smc_pnet.c index ed9cfa11b589..7824b32cdb66 100644 --- a/net/smc/smc_pnet.c +++ b/net/smc/smc_pnet.c @@ -744,7 +744,7 @@ static int smc_pnet_add_pnetid(struct net *net, u8 *pnetid) write_lock(&sn->pnetids_ndev.lock); list_for_each_entry(pi, &sn->pnetids_ndev.list, list) { - if (smc_pnet_match(pnetid, pe->pnetid)) { + if (smc_pnet_match(pnetid, pi->pnetid)) { refcount_inc(&pi->refcnt); kfree(pe); goto unlock; From b6321146773dcbbc372a54dbada67e0b50e0a25c Mon Sep 17 00:00:00 2001 From: Wang Hai Date: Mon, 14 Oct 2024 22:51:15 +0800 Subject: [PATCH 585/649] net: systemport: fix potential memory leak in bcm_sysport_xmit() [ Upstream commit c401ed1c709948e57945485088413e1bb5e94bd1 ] The bcm_sysport_xmit() returns NETDEV_TX_OK without freeing skb in case of dma_map_single() fails, add dev_kfree_skb() to fix it. Fixes: 80105befdb4b ("net: systemport: add Broadcom SYSTEMPORT Ethernet MAC driver") Signed-off-by: Wang Hai Link: https://patch.msgid.link/20241014145115.44977-1-wanghai38@huawei.com Signed-off-by: Jakub Kicinski Signed-off-by: Sasha Levin --- drivers/net/ethernet/broadcom/bcmsysport.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/net/ethernet/broadcom/bcmsysport.c b/drivers/net/ethernet/broadcom/bcmsysport.c index 82d369d9f7a5..ae1cf2ead9a9 100644 --- a/drivers/net/ethernet/broadcom/bcmsysport.c +++ b/drivers/net/ethernet/broadcom/bcmsysport.c @@ -1343,6 +1343,7 @@ static netdev_tx_t bcm_sysport_xmit(struct sk_buff *skb, netif_err(priv, tx_err, dev, "DMA map failed at %p (len=%d)\n", skb->data, skb_len); ret = NETDEV_TX_OK; + dev_kfree_skb_any(skb); goto out; } From 4af714e82379984974a1b61a5629cdb302673dda Mon Sep 17 00:00:00 2001 From: Eric Dumazet Date: Fri, 11 Oct 2024 17:12:17 +0000 Subject: [PATCH 586/649] genetlink: hold RCU in genlmsg_mcast() [ Upstream commit 56440d7ec28d60f8da3bfa09062b3368ff9b16db ] While running net selftests with CONFIG_PROVE_RCU_LIST=y I saw one lockdep splat [1]. genlmsg_mcast() uses for_each_net_rcu(), and must therefore hold RCU. Instead of letting all callers guard genlmsg_multicast_allns() with a rcu_read_lock()/rcu_read_unlock() pair, do it in genlmsg_mcast(). This also means the @flags parameter is useless, we need to always use GFP_ATOMIC. [1] [10882.424136] ============================= [10882.424166] WARNING: suspicious RCU usage [10882.424309] 6.12.0-rc2-virtme #1156 Not tainted [10882.424400] ----------------------------- [10882.424423] net/netlink/genetlink.c:1940 RCU-list traversed in non-reader section!! [10882.424469] other info that might help us debug this: [10882.424500] rcu_scheduler_active = 2, debug_locks = 1 [10882.424744] 2 locks held by ip/15677: [10882.424791] #0: ffffffffb6b491b0 (cb_lock){++++}-{3:3}, at: genl_rcv (net/netlink/genetlink.c:1219) [10882.426334] #1: ffffffffb6b49248 (genl_mutex){+.+.}-{3:3}, at: genl_rcv_msg (net/netlink/genetlink.c:61 net/netlink/genetlink.c:57 net/netlink/genetlink.c:1209) [10882.426465] stack backtrace: [10882.426805] CPU: 14 UID: 0 PID: 15677 Comm: ip Not tainted 6.12.0-rc2-virtme #1156 [10882.426919] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [10882.427046] Call Trace: [10882.427131] [10882.427244] dump_stack_lvl (lib/dump_stack.c:123) [10882.427335] lockdep_rcu_suspicious (kernel/locking/lockdep.c:6822) [10882.427387] genlmsg_multicast_allns (net/netlink/genetlink.c:1940 (discriminator 7) net/netlink/genetlink.c:1977 (discriminator 7)) [10882.427436] l2tp_tunnel_notify.constprop.0 (net/l2tp/l2tp_netlink.c:119) l2tp_netlink [10882.427683] l2tp_nl_cmd_tunnel_create (net/l2tp/l2tp_netlink.c:253) l2tp_netlink [10882.427748] genl_family_rcv_msg_doit (net/netlink/genetlink.c:1115) [10882.427834] genl_rcv_msg (net/netlink/genetlink.c:1195 net/netlink/genetlink.c:1210) [10882.427877] ? __pfx_l2tp_nl_cmd_tunnel_create (net/l2tp/l2tp_netlink.c:186) l2tp_netlink [10882.427927] ? __pfx_genl_rcv_msg (net/netlink/genetlink.c:1201) [10882.427959] netlink_rcv_skb (net/netlink/af_netlink.c:2551) [10882.428069] genl_rcv (net/netlink/genetlink.c:1220) [10882.428095] netlink_unicast (net/netlink/af_netlink.c:1332 net/netlink/af_netlink.c:1357) [10882.428140] netlink_sendmsg (net/netlink/af_netlink.c:1901) [10882.428210] ____sys_sendmsg (net/socket.c:729 (discriminator 1) net/socket.c:744 (discriminator 1) net/socket.c:2607 (discriminator 1)) Fixes: 33f72e6f0c67 ("l2tp : multicast notification to the registered listeners") Signed-off-by: Eric Dumazet Cc: James Chapman Cc: Tom Parkin Cc: Johannes Berg Link: https://patch.msgid.link/20241011171217.3166614-1-edumazet@google.com Signed-off-by: Jakub Kicinski Signed-off-by: Sasha Levin --- drivers/target/target_core_user.c | 2 +- include/net/genetlink.h | 3 +-- net/l2tp/l2tp_netlink.c | 4 ++-- net/netlink/genetlink.c | 28 ++++++++++++++-------------- net/wireless/nl80211.c | 8 ++------ 5 files changed, 20 insertions(+), 25 deletions(-) diff --git a/drivers/target/target_core_user.c b/drivers/target/target_core_user.c index c283e45ac300..2ac973291b1f 100644 --- a/drivers/target/target_core_user.c +++ b/drivers/target/target_core_user.c @@ -1988,7 +1988,7 @@ static int tcmu_netlink_event_send(struct tcmu_dev *udev, } ret = genlmsg_multicast_allns(&tcmu_genl_family, skb, 0, - TCMU_MCGRP_CONFIG, GFP_KERNEL); + TCMU_MCGRP_CONFIG); /* Wait during an add as the listener may not be up yet */ if (ret == 0 || diff --git a/include/net/genetlink.h b/include/net/genetlink.h index 3057c8e6dcfe..e00f617d4b6c 100644 --- a/include/net/genetlink.h +++ b/include/net/genetlink.h @@ -335,13 +335,12 @@ static inline int genlmsg_multicast(const struct genl_family *family, * @skb: netlink message as socket buffer * @portid: own netlink portid to avoid sending to yourself * @group: offset of multicast group in groups array - * @flags: allocation flags * * This function must hold the RTNL or rcu_read_lock(). */ int genlmsg_multicast_allns(const struct genl_family *family, struct sk_buff *skb, u32 portid, - unsigned int group, gfp_t flags); + unsigned int group); /** * genlmsg_unicast - unicast a netlink message diff --git a/net/l2tp/l2tp_netlink.c b/net/l2tp/l2tp_netlink.c index 96eb91be9238..f34ca225c219 100644 --- a/net/l2tp/l2tp_netlink.c +++ b/net/l2tp/l2tp_netlink.c @@ -115,7 +115,7 @@ static int l2tp_tunnel_notify(struct genl_family *family, NLM_F_ACK, tunnel, cmd); if (ret >= 0) { - ret = genlmsg_multicast_allns(family, msg, 0, 0, GFP_ATOMIC); + ret = genlmsg_multicast_allns(family, msg, 0, 0); /* We don't care if no one is listening */ if (ret == -ESRCH) ret = 0; @@ -143,7 +143,7 @@ static int l2tp_session_notify(struct genl_family *family, NLM_F_ACK, session, cmd); if (ret >= 0) { - ret = genlmsg_multicast_allns(family, msg, 0, 0, GFP_ATOMIC); + ret = genlmsg_multicast_allns(family, msg, 0, 0); /* We don't care if no one is listening */ if (ret == -ESRCH) ret = 0; diff --git a/net/netlink/genetlink.c b/net/netlink/genetlink.c index e9035de65546..e085ceec96a4 100644 --- a/net/netlink/genetlink.c +++ b/net/netlink/genetlink.c @@ -1097,15 +1097,11 @@ static int genl_ctrl_event(int event, const struct genl_family *family, if (IS_ERR(msg)) return PTR_ERR(msg); - if (!family->netnsok) { + if (!family->netnsok) genlmsg_multicast_netns(&genl_ctrl, &init_net, msg, 0, 0, GFP_KERNEL); - } else { - rcu_read_lock(); - genlmsg_multicast_allns(&genl_ctrl, msg, 0, - 0, GFP_ATOMIC); - rcu_read_unlock(); - } + else + genlmsg_multicast_allns(&genl_ctrl, msg, 0, 0); return 0; } @@ -1449,23 +1445,23 @@ static int __init genl_init(void) core_initcall(genl_init); -static int genlmsg_mcast(struct sk_buff *skb, u32 portid, unsigned long group, - gfp_t flags) +static int genlmsg_mcast(struct sk_buff *skb, u32 portid, unsigned long group) { struct sk_buff *tmp; struct net *net, *prev = NULL; bool delivered = false; int err; + rcu_read_lock(); for_each_net_rcu(net) { if (prev) { - tmp = skb_clone(skb, flags); + tmp = skb_clone(skb, GFP_ATOMIC); if (!tmp) { err = -ENOMEM; goto error; } err = nlmsg_multicast(prev->genl_sock, tmp, - portid, group, flags); + portid, group, GFP_ATOMIC); if (!err) delivered = true; else if (err != -ESRCH) @@ -1474,26 +1470,30 @@ static int genlmsg_mcast(struct sk_buff *skb, u32 portid, unsigned long group, prev = net; } + err = nlmsg_multicast(prev->genl_sock, skb, portid, group, GFP_ATOMIC); + + rcu_read_unlock(); - err = nlmsg_multicast(prev->genl_sock, skb, portid, group, flags); if (!err) delivered = true; else if (err != -ESRCH) return err; return delivered ? 0 : -ESRCH; error: + rcu_read_unlock(); + kfree_skb(skb); return err; } int genlmsg_multicast_allns(const struct genl_family *family, struct sk_buff *skb, u32 portid, - unsigned int group, gfp_t flags) + unsigned int group) { if (WARN_ON_ONCE(group >= family->n_mcgrps)) return -EINVAL; group = family->mcgrp_offset + group; - return genlmsg_mcast(skb, portid, group, flags); + return genlmsg_mcast(skb, portid, group); } EXPORT_SYMBOL(genlmsg_multicast_allns); diff --git a/net/wireless/nl80211.c b/net/wireless/nl80211.c index a989231198fe..93b89f835e38 100644 --- a/net/wireless/nl80211.c +++ b/net/wireless/nl80211.c @@ -15874,10 +15874,8 @@ void nl80211_common_reg_change_event(enum nl80211_commands cmd_id, genlmsg_end(msg, hdr); - rcu_read_lock(); genlmsg_multicast_allns(&nl80211_fam, msg, 0, - NL80211_MCGRP_REGULATORY, GFP_ATOMIC); - rcu_read_unlock(); + NL80211_MCGRP_REGULATORY); return; @@ -16385,10 +16383,8 @@ void nl80211_send_beacon_hint_event(struct wiphy *wiphy, genlmsg_end(msg, hdr); - rcu_read_lock(); genlmsg_multicast_allns(&nl80211_fam, msg, 0, - NL80211_MCGRP_REGULATORY, GFP_ATOMIC); - rcu_read_unlock(); + NL80211_MCGRP_REGULATORY); return; From 8c1e6717f60d31f8af3937c23c4f1498529584e1 Mon Sep 17 00:00:00 2001 From: Wang Hai Date: Fri, 11 Oct 2024 19:34:44 +0800 Subject: [PATCH 587/649] scsi: target: core: Fix null-ptr-deref in target_alloc_device() [ Upstream commit fca6caeb4a61d240f031914413fcc69534f6dc03 ] There is a null-ptr-deref issue reported by KASAN: BUG: KASAN: null-ptr-deref in target_alloc_device+0xbc4/0xbe0 [target_core_mod] ... kasan_report+0xb9/0xf0 target_alloc_device+0xbc4/0xbe0 [target_core_mod] core_dev_setup_virtual_lun0+0xef/0x1f0 [target_core_mod] target_core_init_configfs+0x205/0x420 [target_core_mod] do_one_initcall+0xdd/0x4e0 ... entry_SYSCALL_64_after_hwframe+0x76/0x7e In target_alloc_device(), if allocing memory for dev queues fails, then dev will be freed by dev->transport->free_device(), but dev->transport is not initialized at that time, which will lead to a null pointer reference problem. Fixing this bug by freeing dev with hba->backend->ops->free_device(). Fixes: 1526d9f10c61 ("scsi: target: Make state_list per CPU") Signed-off-by: Wang Hai Link: https://lore.kernel.org/r/20241011113444.40749-1-wanghai38@huawei.com Reviewed-by: Mike Christie Signed-off-by: Martin K. Petersen Signed-off-by: Sasha Levin --- drivers/target/target_core_device.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/target/target_core_device.c b/drivers/target/target_core_device.c index daa4d06ce233..50135f8df1b4 100644 --- a/drivers/target/target_core_device.c +++ b/drivers/target/target_core_device.c @@ -727,7 +727,7 @@ struct se_device *target_alloc_device(struct se_hba *hba, const char *name) dev->queues = kcalloc(nr_cpu_ids, sizeof(*dev->queues), GFP_KERNEL); if (!dev->queues) { - dev->transport->free_device(dev); + hba->backend->ops->free_device(dev); return NULL; } From ed31aba8ce93472d9e16f5cff844ae7c94e9601d Mon Sep 17 00:00:00 2001 From: Paulo Alcantara Date: Tue, 15 Oct 2024 19:04:04 -0300 Subject: [PATCH 588/649] smb: client: fix OOBs when building SMB2_IOCTL request [ Upstream commit 1ab60323c5201bef25f2a3dc0ccc404d9aca77f1 ] When using encryption, either enforced by the server or when using 'seal' mount option, the client will squash all compound request buffers down for encryption into a single iov in smb2_set_next_command(). SMB2_ioctl_init() allocates a small buffer (448 bytes) to hold the SMB2_IOCTL request in the first iov, and if the user passes an input buffer that is greater than 328 bytes, smb2_set_next_command() will end up writing off the end of @rqst->iov[0].iov_base as shown below: mount.cifs //srv/share /mnt -o ...,seal ln -s $(perl -e "print('a')for 1..1024") /mnt/link BUG: KASAN: slab-out-of-bounds in smb2_set_next_command.cold+0x1d6/0x24c [cifs] Write of size 4116 at addr ffff8881148fcab8 by task ln/859 CPU: 1 UID: 0 PID: 859 Comm: ln Not tainted 6.12.0-rc3 #1 Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-2.fc40 04/01/2014 Call Trace: dump_stack_lvl+0x5d/0x80 ? smb2_set_next_command.cold+0x1d6/0x24c [cifs] print_report+0x156/0x4d9 ? smb2_set_next_command.cold+0x1d6/0x24c [cifs] ? __virt_addr_valid+0x145/0x310 ? __phys_addr+0x46/0x90 ? smb2_set_next_command.cold+0x1d6/0x24c [cifs] kasan_report+0xda/0x110 ? smb2_set_next_command.cold+0x1d6/0x24c [cifs] kasan_check_range+0x10f/0x1f0 __asan_memcpy+0x3c/0x60 smb2_set_next_command.cold+0x1d6/0x24c [cifs] smb2_compound_op+0x238c/0x3840 [cifs] ? kasan_save_track+0x14/0x30 ? kasan_save_free_info+0x3b/0x70 ? vfs_symlink+0x1a1/0x2c0 ? do_symlinkat+0x108/0x1c0 ? __pfx_smb2_compound_op+0x10/0x10 [cifs] ? kmem_cache_free+0x118/0x3e0 ? cifs_get_writable_path+0xeb/0x1a0 [cifs] smb2_get_reparse_inode+0x423/0x540 [cifs] ? __pfx_smb2_get_reparse_inode+0x10/0x10 [cifs] ? rcu_is_watching+0x20/0x50 ? __kmalloc_noprof+0x37c/0x480 ? smb2_create_reparse_symlink+0x257/0x490 [cifs] ? smb2_create_reparse_symlink+0x38f/0x490 [cifs] smb2_create_reparse_symlink+0x38f/0x490 [cifs] ? __pfx_smb2_create_reparse_symlink+0x10/0x10 [cifs] ? find_held_lock+0x8a/0xa0 ? hlock_class+0x32/0xb0 ? __build_path_from_dentry_optional_prefix+0x19d/0x2e0 [cifs] cifs_symlink+0x24f/0x960 [cifs] ? __pfx_make_vfsuid+0x10/0x10 ? __pfx_cifs_symlink+0x10/0x10 [cifs] ? make_vfsgid+0x6b/0xc0 ? generic_permission+0x96/0x2d0 vfs_symlink+0x1a1/0x2c0 do_symlinkat+0x108/0x1c0 ? __pfx_do_symlinkat+0x10/0x10 ? strncpy_from_user+0xaa/0x160 __x64_sys_symlinkat+0xb9/0xf0 do_syscall_64+0xbb/0x1d0 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f08d75c13bb Reported-by: David Howells Fixes: e77fe73c7e38 ("cifs: we can not use small padding iovs together with encryption") Signed-off-by: Paulo Alcantara (Red Hat) Signed-off-by: Steve French Signed-off-by: Sasha Levin --- fs/cifs/smb2pdu.c | 9 +++++++++ 1 file changed, 9 insertions(+) diff --git a/fs/cifs/smb2pdu.c b/fs/cifs/smb2pdu.c index aa3211d8cce3..03651cc6b7a5 100644 --- a/fs/cifs/smb2pdu.c +++ b/fs/cifs/smb2pdu.c @@ -2961,6 +2961,15 @@ SMB2_ioctl_init(struct cifs_tcon *tcon, struct TCP_Server_Info *server, return rc; if (indatalen) { + unsigned int len; + + if (WARN_ON_ONCE(smb3_encryption_required(tcon) && + (check_add_overflow(total_len - 1, + ALIGN(indatalen, 8), &len) || + len > MAX_CIFS_SMALL_BUFFER_SIZE))) { + cifs_small_buf_release(req); + return -EIO; + } /* * indatalen is usually small at a couple of bytes max, so * just allocate through generic pool From 6af43ec3bf40f8b428d9134ffa7a291aecd60da8 Mon Sep 17 00:00:00 2001 From: Thadeu Lima de Souza Cascardo Date: Fri, 4 Oct 2024 09:37:38 -0300 Subject: [PATCH 589/649] usb: typec: altmode should keep reference to parent [ Upstream commit befab3a278c59db0cc88c8799638064f6d3fd6f8 ] The altmode device release refers to its parent device, but without keeping a reference to it. When registering the altmode, get a reference to the parent and put it in the release function. Before this fix, when using CONFIG_DEBUG_KOBJECT_RELEASE, we see issues like this: [ 43.572860] kobject: 'port0.0' (ffff8880057ba008): kobject_release, parent 0000000000000000 (delayed 3000) [ 43.573532] kobject: 'port0.1' (ffff8880057bd008): kobject_release, parent 0000000000000000 (delayed 1000) [ 43.574407] kobject: 'port0' (ffff8880057b9008): kobject_release, parent 0000000000000000 (delayed 3000) [ 43.575059] kobject: 'port1.0' (ffff8880057ca008): kobject_release, parent 0000000000000000 (delayed 4000) [ 43.575908] kobject: 'port1.1' (ffff8880057c9008): kobject_release, parent 0000000000000000 (delayed 4000) [ 43.576908] kobject: 'typec' (ffff8880062dbc00): kobject_release, parent 0000000000000000 (delayed 4000) [ 43.577769] kobject: 'port1' (ffff8880057bf008): kobject_release, parent 0000000000000000 (delayed 3000) [ 46.612867] ================================================================== [ 46.613402] BUG: KASAN: slab-use-after-free in typec_altmode_release+0x38/0x129 [ 46.614003] Read of size 8 at addr ffff8880057b9118 by task kworker/2:1/48 [ 46.614538] [ 46.614668] CPU: 2 UID: 0 PID: 48 Comm: kworker/2:1 Not tainted 6.12.0-rc1-00138-gedbae730ad31 #535 [ 46.615391] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.15.0-1 04/01/2014 [ 46.616042] Workqueue: events kobject_delayed_cleanup [ 46.616446] Call Trace: [ 46.616648] [ 46.616820] dump_stack_lvl+0x5b/0x7c [ 46.617112] ? typec_altmode_release+0x38/0x129 [ 46.617470] print_report+0x14c/0x49e [ 46.617769] ? rcu_read_unlock_sched+0x56/0x69 [ 46.618117] ? __virt_addr_valid+0x19a/0x1ab [ 46.618456] ? kmem_cache_debug_flags+0xc/0x1d [ 46.618807] ? typec_altmode_release+0x38/0x129 [ 46.619161] kasan_report+0x8d/0xb4 [ 46.619447] ? typec_altmode_release+0x38/0x129 [ 46.619809] ? process_scheduled_works+0x3cb/0x85f [ 46.620185] typec_altmode_release+0x38/0x129 [ 46.620537] ? process_scheduled_works+0x3cb/0x85f [ 46.620907] device_release+0xaf/0xf2 [ 46.621206] kobject_delayed_cleanup+0x13b/0x17a [ 46.621584] process_scheduled_works+0x4f6/0x85f [ 46.621955] ? __pfx_process_scheduled_works+0x10/0x10 [ 46.622353] ? hlock_class+0x31/0x9a [ 46.622647] ? lock_acquired+0x361/0x3c3 [ 46.622956] ? move_linked_works+0x46/0x7d [ 46.623277] worker_thread+0x1ce/0x291 [ 46.623582] ? __kthread_parkme+0xc8/0xdf [ 46.623900] ? __pfx_worker_thread+0x10/0x10 [ 46.624236] kthread+0x17e/0x190 [ 46.624501] ? kthread+0xfb/0x190 [ 46.624756] ? __pfx_kthread+0x10/0x10 [ 46.625015] ret_from_fork+0x20/0x40 [ 46.625268] ? __pfx_kthread+0x10/0x10 [ 46.625532] ret_from_fork_asm+0x1a/0x30 [ 46.625805] [ 46.625953] [ 46.626056] Allocated by task 678: [ 46.626287] kasan_save_stack+0x24/0x44 [ 46.626555] kasan_save_track+0x14/0x2d [ 46.626811] __kasan_kmalloc+0x3f/0x4d [ 46.627049] __kmalloc_noprof+0x1bf/0x1f0 [ 46.627362] typec_register_port+0x23/0x491 [ 46.627698] cros_typec_probe+0x634/0xbb6 [ 46.628026] platform_probe+0x47/0x8c [ 46.628311] really_probe+0x20a/0x47d [ 46.628605] device_driver_attach+0x39/0x72 [ 46.628940] bind_store+0x87/0xd7 [ 46.629213] kernfs_fop_write_iter+0x1aa/0x218 [ 46.629574] vfs_write+0x1d6/0x29b [ 46.629856] ksys_write+0xcd/0x13b [ 46.630128] do_syscall_64+0xd4/0x139 [ 46.630420] entry_SYSCALL_64_after_hwframe+0x76/0x7e [ 46.630820] [ 46.630946] Freed by task 48: [ 46.631182] kasan_save_stack+0x24/0x44 [ 46.631493] kasan_save_track+0x14/0x2d [ 46.631799] kasan_save_free_info+0x3f/0x4d [ 46.632144] __kasan_slab_free+0x37/0x45 [ 46.632474] kfree+0x1d4/0x252 [ 46.632725] device_release+0xaf/0xf2 [ 46.633017] kobject_delayed_cleanup+0x13b/0x17a [ 46.633388] process_scheduled_works+0x4f6/0x85f [ 46.633764] worker_thread+0x1ce/0x291 [ 46.634065] kthread+0x17e/0x190 [ 46.634324] ret_from_fork+0x20/0x40 [ 46.634621] ret_from_fork_asm+0x1a/0x30 Fixes: 8a37d87d72f0 ("usb: typec: Bus type for alternate modes") Signed-off-by: Thadeu Lima de Souza Cascardo Reviewed-by: Heikki Krogerus Reviewed-by: Dmitry Baryshkov Link: https://lore.kernel.org/r/20241004123738.2964524-1-cascardo@igalia.com Signed-off-by: Greg Kroah-Hartman Signed-off-by: Sasha Levin --- drivers/usb/typec/class.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/drivers/usb/typec/class.c b/drivers/usb/typec/class.c index 7fa95e701244..dec83edb09de 100644 --- a/drivers/usb/typec/class.c +++ b/drivers/usb/typec/class.c @@ -430,6 +430,7 @@ static void typec_altmode_release(struct device *dev) typec_altmode_put_partner(alt); altmode_id_remove(alt->adev.dev.parent, alt->id); + put_device(alt->adev.dev.parent); kfree(alt); } @@ -479,6 +480,8 @@ typec_register_altmode(struct device *parent, alt->adev.dev.type = &typec_altmode_dev_type; dev_set_name(&alt->adev.dev, "%s.%u", dev_name(parent), id); + get_device(alt->adev.dev.parent); + /* Link partners and plugs with the ports */ if (!is_port) typec_altmode_set_partner(alt); From 5c345c47e88497ed5887bd921bb2a74f38cbae59 Mon Sep 17 00:00:00 2001 From: Heiko Carstens Date: Thu, 10 Oct 2024 17:52:39 +0200 Subject: [PATCH 590/649] s390: Initialize psw mask in perf_arch_fetch_caller_regs() [ Upstream commit 223e7fb979fa06934f1595b6ad0ae1d4ead1147f ] Also initialize regs->psw.mask in perf_arch_fetch_caller_regs(). This way user_mode(regs) will return false, like it should. It looks like all current users initialize regs to zero, so that this doesn't fix a bug currently. However it is better to not rely on callers to do this. Fixes: 914d52e46490 ("s390: implement perf_arch_fetch_caller_regs") Signed-off-by: Heiko Carstens Signed-off-by: Sasha Levin --- arch/s390/include/asm/perf_event.h | 1 + 1 file changed, 1 insertion(+) diff --git a/arch/s390/include/asm/perf_event.h b/arch/s390/include/asm/perf_event.h index b9da71632827..ea340b901839 100644 --- a/arch/s390/include/asm/perf_event.h +++ b/arch/s390/include/asm/perf_event.h @@ -75,6 +75,7 @@ struct perf_sf_sde_regs { #define SAMPLE_FREQ_MODE(hwc) (SAMPL_FLAGS(hwc) & PERF_CPUM_SF_FREQ_MODE) #define perf_arch_fetch_caller_regs(regs, __ip) do { \ + (regs)->psw.mask = 0; \ (regs)->psw.addr = (__ip); \ (regs)->gprs[15] = (unsigned long)__builtin_frame_address(0) - \ offsetof(struct stack_frame, back_chain); \ From 6c151aeb6dc414db8f4daf51be072e802fae6667 Mon Sep 17 00:00:00 2001 From: Ye Bin Date: Mon, 14 Oct 2024 17:07:08 +0800 Subject: [PATCH 591/649] Bluetooth: bnep: fix wild-memory-access in proto_unregister [ Upstream commit 64a90991ba8d4e32e3173ddd83d0b24167a5668c ] There's issue as follows: KASAN: maybe wild-memory-access in range [0xdead...108-0xdead...10f] CPU: 3 UID: 0 PID: 2805 Comm: rmmod Tainted: G W RIP: 0010:proto_unregister+0xee/0x400 Call Trace: __do_sys_delete_module+0x318/0x580 do_syscall_64+0xc1/0x1d0 entry_SYSCALL_64_after_hwframe+0x77/0x7f As bnep_init() ignore bnep_sock_init()'s return value, and bnep_sock_init() will cleanup all resource. Then when remove bnep module will call bnep_sock_cleanup() to cleanup sock's resource. To solve above issue just return bnep_sock_init()'s return value in bnep_exit(). Fixes: 1da177e4c3f4 ("Linux-2.6.12-rc2") Signed-off-by: Ye Bin Signed-off-by: Luiz Augusto von Dentz Signed-off-by: Sasha Levin --- net/bluetooth/bnep/core.c | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-) diff --git a/net/bluetooth/bnep/core.c b/net/bluetooth/bnep/core.c index f74990427296..0eaa47ae6e99 100644 --- a/net/bluetooth/bnep/core.c +++ b/net/bluetooth/bnep/core.c @@ -745,8 +745,7 @@ static int __init bnep_init(void) if (flt[0]) BT_INFO("BNEP filters: %s", flt); - bnep_sock_init(); - return 0; + return bnep_sock_init(); } static void __exit bnep_exit(void) From 7f1ef59185d23450d77e94671c0abb03f8978c01 Mon Sep 17 00:00:00 2001 From: junhua huang Date: Fri, 2 Dec 2022 15:11:10 +0800 Subject: [PATCH 592/649] arm64:uprobe fix the uprobe SWBP_INSN in big-endian MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit [ Upstream commit 60f07e22a73d318cddaafa5ef41a10476807cc07 ] We use uprobe in aarch64_be, which we found the tracee task would exit due to SIGILL when we enable the uprobe trace. We can see the replace inst from uprobe is not correct in aarch big-endian. As in Armv8-A, instruction fetches are always treated as little-endian, we should treat the UPROBE_SWBP_INSN as little-endian。 The test case is as following。 bash-4.4# ./mqueue_test_aarchbe 1 1 2 1 10 > /dev/null & bash-4.4# cd /sys/kernel/debug/tracing/ bash-4.4# echo 'p:test /mqueue_test_aarchbe:0xc30 %x0 %x1' > uprobe_events bash-4.4# echo 1 > events/uprobes/enable bash-4.4# bash-4.4# ps PID TTY TIME CMD 140 ? 00:00:01 bash 237 ? 00:00:00 ps [1]+ Illegal instruction ./mqueue_test_aarchbe 1 1 2 1 100 > /dev/null which we debug use gdb as following: bash-4.4# gdb attach 155 (gdb) disassemble send Dump of assembler code for function send: 0x0000000000400c30 <+0>: .inst 0xa00020d4 ; undefined 0x0000000000400c34 <+4>: mov x29, sp 0x0000000000400c38 <+8>: str w0, [sp, #28] 0x0000000000400c3c <+12>: strb w1, [sp, #27] 0x0000000000400c40 <+16>: str xzr, [sp, #40] 0x0000000000400c44 <+20>: str xzr, [sp, #48] 0x0000000000400c48 <+24>: add x0, sp, #0x1b 0x0000000000400c4c <+28>: mov w3, #0x0 // #0 0x0000000000400c50 <+32>: mov x2, #0x1 // #1 0x0000000000400c54 <+36>: mov x1, x0 0x0000000000400c58 <+40>: ldr w0, [sp, #28] 0x0000000000400c5c <+44>: bl 0x405e10 0x0000000000400c60 <+48>: str w0, [sp, #60] 0x0000000000400c64 <+52>: ldr w0, [sp, #60] 0x0000000000400c68 <+56>: ldp x29, x30, [sp], #64 0x0000000000400c6c <+60>: ret End of assembler dump. (gdb) info b No breakpoints or watchpoints. (gdb) c Continuing. Program received signal SIGILL, Illegal instruction. 0x0000000000400c30 in send () (gdb) x/10x 0x400c30 0x400c30 : 0xd42000a0 0xfd030091 0xe01f00b9 0xe16f0039 0x400c40 : 0xff1700f9 0xff1b00f9 0xe06f0091 0x03008052 0x400c50 : 0x220080d2 0xe10300aa (gdb) disassemble 0x400c30 Dump of assembler code for function send: => 0x0000000000400c30 <+0>: .inst 0xa00020d4 ; undefined 0x0000000000400c34 <+4>: mov x29, sp 0x0000000000400c38 <+8>: str w0, [sp, #28] 0x0000000000400c3c <+12>: strb w1, [sp, #27] 0x0000000000400c40 <+16>: str xzr, [sp, #40] Signed-off-by: junhua huang Link: https://lore.kernel.org/r/202212021511106844809@zte.com.cn Signed-off-by: Will Deacon Stable-dep-of: 13f8f1e05f1d ("arm64: probes: Fix uprobes for big-endian kernels") Signed-off-by: Sasha Levin --- arch/arm64/include/asm/uprobes.h | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/arch/arm64/include/asm/uprobes.h b/arch/arm64/include/asm/uprobes.h index 315eef654e39..ba4bff5ca674 100644 --- a/arch/arm64/include/asm/uprobes.h +++ b/arch/arm64/include/asm/uprobes.h @@ -12,7 +12,7 @@ #define MAX_UINSN_BYTES AARCH64_INSN_SIZE -#define UPROBE_SWBP_INSN BRK64_OPCODE_UPROBES +#define UPROBE_SWBP_INSN cpu_to_le32(BRK64_OPCODE_UPROBES) #define UPROBE_SWBP_INSN_SIZE AARCH64_INSN_SIZE #define UPROBE_XOL_SLOT_BYTES MAX_UINSN_BYTES From cf9ddf9ed94c15564a05bbf6e9f18dffa0c7df80 Mon Sep 17 00:00:00 2001 From: Mark Rutland Date: Tue, 8 Oct 2024 16:58:48 +0100 Subject: [PATCH 593/649] arm64: probes: Fix uprobes for big-endian kernels [ Upstream commit 13f8f1e05f1dc36dbba6cba0ae03354c0dafcde7 ] The arm64 uprobes code is broken for big-endian kernels as it doesn't convert the in-memory instruction encoding (which is always little-endian) into the kernel's native endianness before analyzing and simulating instructions. This may result in a few distinct problems: * The kernel may may erroneously reject probing an instruction which can safely be probed. * The kernel may erroneously erroneously permit stepping an instruction out-of-line when that instruction cannot be stepped out-of-line safely. * The kernel may erroneously simulate instruction incorrectly dur to interpretting the byte-swapped encoding. The endianness mismatch isn't caught by the compiler or sparse because: * The arch_uprobe::{insn,ixol} fields are encoded as arrays of u8, so the compiler and sparse have no idea these contain a little-endian 32-bit value. The core uprobes code populates these with a memcpy() which similarly does not handle endianness. * While the uprobe_opcode_t type is an alias for __le32, both arch_uprobe_analyze_insn() and arch_uprobe_skip_sstep() cast from u8[] to the similarly-named probe_opcode_t, which is an alias for u32. Hence there is no endianness conversion warning. Fix this by changing the arch_uprobe::{insn,ixol} fields to __le32 and adding the appropriate __le32_to_cpu() conversions prior to consuming the instruction encoding. The core uprobes copies these fields as opaque ranges of bytes, and so is unaffected by this change. At the same time, remove MAX_UINSN_BYTES and consistently use AARCH64_INSN_SIZE for clarity. Tested with the following: | #include | #include | | #define noinline __attribute__((noinline)) | | static noinline void *adrp_self(void) | { | void *addr; | | asm volatile( | " adrp %x0, adrp_self\n" | " add %x0, %x0, :lo12:adrp_self\n" | : "=r" (addr)); | } | | | int main(int argc, char *argv) | { | void *ptr = adrp_self(); | bool equal = (ptr == adrp_self); | | printf("adrp_self => %p\n" | "adrp_self() => %p\n" | "%s\n", | adrp_self, ptr, equal ? "EQUAL" : "NOT EQUAL"); | | return 0; | } .... where the adrp_self() function was compiled to: | 00000000004007e0 : | 4007e0: 90000000 adrp x0, 400000 <__ehdr_start> | 4007e4: 911f8000 add x0, x0, #0x7e0 | 4007e8: d65f03c0 ret Before this patch, the ADRP is not recognized, and is assumed to be steppable, resulting in corruption of the result: | # ./adrp-self | adrp_self => 0x4007e0 | adrp_self() => 0x4007e0 | EQUAL | # echo 'p /root/adrp-self:0x007e0' > /sys/kernel/tracing/uprobe_events | # echo 1 > /sys/kernel/tracing/events/uprobes/enable | # ./adrp-self | adrp_self => 0x4007e0 | adrp_self() => 0xffffffffff7e0 | NOT EQUAL After this patch, the ADRP is correctly recognized and simulated: | # ./adrp-self | adrp_self => 0x4007e0 | adrp_self() => 0x4007e0 | EQUAL | # | # echo 'p /root/adrp-self:0x007e0' > /sys/kernel/tracing/uprobe_events | # echo 1 > /sys/kernel/tracing/events/uprobes/enable | # ./adrp-self | adrp_self => 0x4007e0 | adrp_self() => 0x4007e0 | EQUAL Fixes: 9842ceae9fa8 ("arm64: Add uprobe support") Cc: stable@vger.kernel.org Signed-off-by: Mark Rutland Cc: Catalin Marinas Cc: Will Deacon Link: https://lore.kernel.org/r/20241008155851.801546-4-mark.rutland@arm.com Signed-off-by: Will Deacon Signed-off-by: Sasha Levin --- arch/arm64/include/asm/uprobes.h | 8 +++----- arch/arm64/kernel/probes/uprobes.c | 4 ++-- 2 files changed, 5 insertions(+), 7 deletions(-) diff --git a/arch/arm64/include/asm/uprobes.h b/arch/arm64/include/asm/uprobes.h index ba4bff5ca674..98f29a43bfe8 100644 --- a/arch/arm64/include/asm/uprobes.h +++ b/arch/arm64/include/asm/uprobes.h @@ -10,11 +10,9 @@ #include #include -#define MAX_UINSN_BYTES AARCH64_INSN_SIZE - #define UPROBE_SWBP_INSN cpu_to_le32(BRK64_OPCODE_UPROBES) #define UPROBE_SWBP_INSN_SIZE AARCH64_INSN_SIZE -#define UPROBE_XOL_SLOT_BYTES MAX_UINSN_BYTES +#define UPROBE_XOL_SLOT_BYTES AARCH64_INSN_SIZE typedef u32 uprobe_opcode_t; @@ -23,8 +21,8 @@ struct arch_uprobe_task { struct arch_uprobe { union { - u8 insn[MAX_UINSN_BYTES]; - u8 ixol[MAX_UINSN_BYTES]; + __le32 insn; + __le32 ixol; }; struct arch_probe_insn api; bool simulate; diff --git a/arch/arm64/kernel/probes/uprobes.c b/arch/arm64/kernel/probes/uprobes.c index 2c247634552b..8a02c549e57f 100644 --- a/arch/arm64/kernel/probes/uprobes.c +++ b/arch/arm64/kernel/probes/uprobes.c @@ -42,7 +42,7 @@ int arch_uprobe_analyze_insn(struct arch_uprobe *auprobe, struct mm_struct *mm, else if (!IS_ALIGNED(addr, AARCH64_INSN_SIZE)) return -EINVAL; - insn = *(probe_opcode_t *)(&auprobe->insn[0]); + insn = le32_to_cpu(auprobe->insn); switch (arm_probe_decode_insn(insn, &auprobe->api)) { case INSN_REJECTED: @@ -108,7 +108,7 @@ bool arch_uprobe_skip_sstep(struct arch_uprobe *auprobe, struct pt_regs *regs) if (!auprobe->simulate) return false; - insn = *(probe_opcode_t *)(&auprobe->insn[0]); + insn = le32_to_cpu(auprobe->insn); addr = instruction_pointer(regs); if (auprobe->api.handler) From 511ca935092a5603ebebb0980e1a65a1e892a0f0 Mon Sep 17 00:00:00 2001 From: Janis Schoetterl-Glausch Date: Fri, 26 Nov 2021 17:45:47 +0100 Subject: [PATCH 594/649] KVM: s390: gaccess: Refactor gpa and length calculation [ Upstream commit 416e7f0c9d613bf84e182eba9547ae8f9f5bfa4c ] Improve readability by renaming the length variable and not calculating the offset manually. Signed-off-by: Janis Schoetterl-Glausch Reviewed-by: Janosch Frank Reviewed-by: David Hildenbrand Reviewed-by: Claudio Imbrenda Message-Id: <20211126164549.7046-2-scgl@linux.ibm.com> Signed-off-by: Janosch Frank Stable-dep-of: e8061f06185b ("KVM: s390: gaccess: Check if guest address is in memslot") Signed-off-by: Sasha Levin --- arch/s390/kvm/gaccess.c | 32 +++++++++++++++++--------------- 1 file changed, 17 insertions(+), 15 deletions(-) diff --git a/arch/s390/kvm/gaccess.c b/arch/s390/kvm/gaccess.c index b9f85b2dc053..9f80d95a4377 100644 --- a/arch/s390/kvm/gaccess.c +++ b/arch/s390/kvm/gaccess.c @@ -831,8 +831,9 @@ int access_guest(struct kvm_vcpu *vcpu, unsigned long ga, u8 ar, void *data, unsigned long len, enum gacc_mode mode) { psw_t *psw = &vcpu->arch.sie_block->gpsw; - unsigned long _len, nr_pages, gpa, idx; + unsigned long nr_pages, gpa, idx; unsigned long pages_array[2]; + unsigned int fragment_len; unsigned long *pages; int need_ipte_lock; union asce asce; @@ -855,15 +856,15 @@ int access_guest(struct kvm_vcpu *vcpu, unsigned long ga, u8 ar, void *data, ipte_lock(vcpu); rc = guest_page_range(vcpu, ga, ar, pages, nr_pages, asce, mode); for (idx = 0; idx < nr_pages && !rc; idx++) { - gpa = *(pages + idx) + (ga & ~PAGE_MASK); - _len = min(PAGE_SIZE - (gpa & ~PAGE_MASK), len); + gpa = pages[idx] + offset_in_page(ga); + fragment_len = min(PAGE_SIZE - offset_in_page(gpa), len); if (mode == GACC_STORE) - rc = kvm_write_guest(vcpu->kvm, gpa, data, _len); + rc = kvm_write_guest(vcpu->kvm, gpa, data, fragment_len); else - rc = kvm_read_guest(vcpu->kvm, gpa, data, _len); - len -= _len; - ga += _len; - data += _len; + rc = kvm_read_guest(vcpu->kvm, gpa, data, fragment_len); + len -= fragment_len; + ga += fragment_len; + data += fragment_len; } if (need_ipte_lock) ipte_unlock(vcpu); @@ -875,19 +876,20 @@ int access_guest(struct kvm_vcpu *vcpu, unsigned long ga, u8 ar, void *data, int access_guest_real(struct kvm_vcpu *vcpu, unsigned long gra, void *data, unsigned long len, enum gacc_mode mode) { - unsigned long _len, gpa; + unsigned int fragment_len; + unsigned long gpa; int rc = 0; while (len && !rc) { gpa = kvm_s390_real_to_abs(vcpu, gra); - _len = min(PAGE_SIZE - (gpa & ~PAGE_MASK), len); + fragment_len = min(PAGE_SIZE - offset_in_page(gpa), len); if (mode) - rc = write_guest_abs(vcpu, gpa, data, _len); + rc = write_guest_abs(vcpu, gpa, data, fragment_len); else - rc = read_guest_abs(vcpu, gpa, data, _len); - len -= _len; - gra += _len; - data += _len; + rc = read_guest_abs(vcpu, gpa, data, fragment_len); + len -= fragment_len; + gra += fragment_len; + data += fragment_len; } return rc; } From 472088ffb1cce6f3ea4317047ae94c32c554d661 Mon Sep 17 00:00:00 2001 From: Janis Schoetterl-Glausch Date: Fri, 26 Nov 2021 17:45:48 +0100 Subject: [PATCH 595/649] KVM: s390: gaccess: Refactor access address range check [ Upstream commit 7faa543df19bf62d4583a64d3902705747f2ad29 ] Do not round down the first address to the page boundary, just translate it normally, which gives the value we care about in the first place. Given this, translating a single address is just the special case of translating a range spanning a single page. Make the output optional, so the function can be used to just check a range. Signed-off-by: Janis Schoetterl-Glausch Reviewed-by: Janosch Frank Reviewed-by: Claudio Imbrenda Message-Id: <20211126164549.7046-3-scgl@linux.ibm.com> Signed-off-by: Janosch Frank Stable-dep-of: e8061f06185b ("KVM: s390: gaccess: Check if guest address is in memslot") Signed-off-by: Sasha Levin --- arch/s390/kvm/gaccess.c | 122 +++++++++++++++++++++++----------------- 1 file changed, 69 insertions(+), 53 deletions(-) diff --git a/arch/s390/kvm/gaccess.c b/arch/s390/kvm/gaccess.c index 9f80d95a4377..9b9bfc333e62 100644 --- a/arch/s390/kvm/gaccess.c +++ b/arch/s390/kvm/gaccess.c @@ -794,35 +794,74 @@ static int low_address_protection_enabled(struct kvm_vcpu *vcpu, return 1; } -static int guest_page_range(struct kvm_vcpu *vcpu, unsigned long ga, u8 ar, - unsigned long *pages, unsigned long nr_pages, - const union asce asce, enum gacc_mode mode) +/** + * guest_range_to_gpas() - Calculate guest physical addresses of page fragments + * covering a logical range + * @vcpu: virtual cpu + * @ga: guest address, start of range + * @ar: access register + * @gpas: output argument, may be NULL + * @len: length of range in bytes + * @asce: address-space-control element to use for translation + * @mode: access mode + * + * Translate a logical range to a series of guest absolute addresses, + * such that the concatenation of page fragments starting at each gpa make up + * the whole range. + * The translation is performed as if done by the cpu for the given @asce, @ar, + * @mode and state of the @vcpu. + * If the translation causes an exception, its program interruption code is + * returned and the &struct kvm_s390_pgm_info pgm member of @vcpu is modified + * such that a subsequent call to kvm_s390_inject_prog_vcpu() will inject + * a correct exception into the guest. + * The resulting gpas are stored into @gpas, unless it is NULL. + * + * Note: All fragments except the first one start at the beginning of a page. + * When deriving the boundaries of a fragment from a gpa, all but the last + * fragment end at the end of the page. + * + * Return: + * * 0 - success + * * <0 - translation could not be performed, for example if guest + * memory could not be accessed + * * >0 - an access exception occurred. In this case the returned value + * is the program interruption code and the contents of pgm may + * be used to inject an exception into the guest. + */ +static int guest_range_to_gpas(struct kvm_vcpu *vcpu, unsigned long ga, u8 ar, + unsigned long *gpas, unsigned long len, + const union asce asce, enum gacc_mode mode) { psw_t *psw = &vcpu->arch.sie_block->gpsw; + unsigned int offset = offset_in_page(ga); + unsigned int fragment_len; int lap_enabled, rc = 0; enum prot_type prot; + unsigned long gpa; lap_enabled = low_address_protection_enabled(vcpu, asce); - while (nr_pages) { + while (min(PAGE_SIZE - offset, len) > 0) { + fragment_len = min(PAGE_SIZE - offset, len); ga = kvm_s390_logical_to_effective(vcpu, ga); if (mode == GACC_STORE && lap_enabled && is_low_address(ga)) return trans_exc(vcpu, PGM_PROTECTION, ga, ar, mode, PROT_TYPE_LA); - ga &= PAGE_MASK; if (psw_bits(*psw).dat) { - rc = guest_translate(vcpu, ga, pages, asce, mode, &prot); + rc = guest_translate(vcpu, ga, &gpa, asce, mode, &prot); if (rc < 0) return rc; } else { - *pages = kvm_s390_real_to_abs(vcpu, ga); - if (kvm_is_error_gpa(vcpu->kvm, *pages)) + gpa = kvm_s390_real_to_abs(vcpu, ga); + if (kvm_is_error_gpa(vcpu->kvm, gpa)) rc = PGM_ADDRESSING; } if (rc) return trans_exc(vcpu, rc, ga, ar, mode, prot); - ga += PAGE_SIZE; - pages++; - nr_pages--; + if (gpas) + *gpas++ = gpa; + offset = 0; + ga += fragment_len; + len -= fragment_len; } return 0; } @@ -831,10 +870,10 @@ int access_guest(struct kvm_vcpu *vcpu, unsigned long ga, u8 ar, void *data, unsigned long len, enum gacc_mode mode) { psw_t *psw = &vcpu->arch.sie_block->gpsw; - unsigned long nr_pages, gpa, idx; - unsigned long pages_array[2]; + unsigned long nr_pages, idx; + unsigned long gpa_array[2]; unsigned int fragment_len; - unsigned long *pages; + unsigned long *gpas; int need_ipte_lock; union asce asce; int rc; @@ -846,30 +885,28 @@ int access_guest(struct kvm_vcpu *vcpu, unsigned long ga, u8 ar, void *data, if (rc) return rc; nr_pages = (((ga & ~PAGE_MASK) + len - 1) >> PAGE_SHIFT) + 1; - pages = pages_array; - if (nr_pages > ARRAY_SIZE(pages_array)) - pages = vmalloc(array_size(nr_pages, sizeof(unsigned long))); - if (!pages) + gpas = gpa_array; + if (nr_pages > ARRAY_SIZE(gpa_array)) + gpas = vmalloc(array_size(nr_pages, sizeof(unsigned long))); + if (!gpas) return -ENOMEM; need_ipte_lock = psw_bits(*psw).dat && !asce.r; if (need_ipte_lock) ipte_lock(vcpu); - rc = guest_page_range(vcpu, ga, ar, pages, nr_pages, asce, mode); + rc = guest_range_to_gpas(vcpu, ga, ar, gpas, len, asce, mode); for (idx = 0; idx < nr_pages && !rc; idx++) { - gpa = pages[idx] + offset_in_page(ga); - fragment_len = min(PAGE_SIZE - offset_in_page(gpa), len); + fragment_len = min(PAGE_SIZE - offset_in_page(gpas[idx]), len); if (mode == GACC_STORE) - rc = kvm_write_guest(vcpu->kvm, gpa, data, fragment_len); + rc = kvm_write_guest(vcpu->kvm, gpas[idx], data, fragment_len); else - rc = kvm_read_guest(vcpu->kvm, gpa, data, fragment_len); + rc = kvm_read_guest(vcpu->kvm, gpas[idx], data, fragment_len); len -= fragment_len; - ga += fragment_len; data += fragment_len; } if (need_ipte_lock) ipte_unlock(vcpu); - if (nr_pages > ARRAY_SIZE(pages_array)) - vfree(pages); + if (nr_pages > ARRAY_SIZE(gpa_array)) + vfree(gpas); return rc; } @@ -906,8 +943,6 @@ int access_guest_real(struct kvm_vcpu *vcpu, unsigned long gra, int guest_translate_address(struct kvm_vcpu *vcpu, unsigned long gva, u8 ar, unsigned long *gpa, enum gacc_mode mode) { - psw_t *psw = &vcpu->arch.sie_block->gpsw; - enum prot_type prot; union asce asce; int rc; @@ -915,23 +950,7 @@ int guest_translate_address(struct kvm_vcpu *vcpu, unsigned long gva, u8 ar, rc = get_vcpu_asce(vcpu, &asce, gva, ar, mode); if (rc) return rc; - if (is_low_address(gva) && low_address_protection_enabled(vcpu, asce)) { - if (mode == GACC_STORE) - return trans_exc(vcpu, PGM_PROTECTION, gva, 0, - mode, PROT_TYPE_LA); - } - - if (psw_bits(*psw).dat && !asce.r) { /* Use DAT? */ - rc = guest_translate(vcpu, gva, gpa, asce, mode, &prot); - if (rc > 0) - return trans_exc(vcpu, rc, gva, 0, mode, prot); - } else { - *gpa = kvm_s390_real_to_abs(vcpu, gva); - if (kvm_is_error_gpa(vcpu->kvm, *gpa)) - return trans_exc(vcpu, rc, gva, PGM_ADDRESSING, mode, 0); - } - - return rc; + return guest_range_to_gpas(vcpu, gva, ar, gpa, 1, asce, mode); } /** @@ -940,17 +959,14 @@ int guest_translate_address(struct kvm_vcpu *vcpu, unsigned long gva, u8 ar, int check_gva_range(struct kvm_vcpu *vcpu, unsigned long gva, u8 ar, unsigned long length, enum gacc_mode mode) { - unsigned long gpa; - unsigned long currlen; + union asce asce; int rc = 0; + rc = get_vcpu_asce(vcpu, &asce, gva, ar, mode); + if (rc) + return rc; ipte_lock(vcpu); - while (length > 0 && !rc) { - currlen = min(length, PAGE_SIZE - (gva % PAGE_SIZE)); - rc = guest_translate_address(vcpu, gva, ar, &gpa, mode); - gva += currlen; - length -= currlen; - } + rc = guest_range_to_gpas(vcpu, gva, ar, NULL, length, asce, mode); ipte_unlock(vcpu); return rc; From 6e1659b674b6144892fc2880e38134674a7b68ed Mon Sep 17 00:00:00 2001 From: Janis Schoetterl-Glausch Date: Fri, 26 Nov 2021 17:45:49 +0100 Subject: [PATCH 596/649] KVM: s390: gaccess: Cleanup access to guest pages [ Upstream commit bad13799e0305deb258372b7298a86be4c78aaba ] Introduce a helper function for guest frame access. Signed-off-by: Janis Schoetterl-Glausch Reviewed-by: Janosch Frank Reviewed-by: David Hildenbrand Reviewed-by: Claudio Imbrenda Message-Id: <20211126164549.7046-4-scgl@linux.ibm.com> Signed-off-by: Janosch Frank Stable-dep-of: e8061f06185b ("KVM: s390: gaccess: Check if guest address is in memslot") Signed-off-by: Sasha Levin --- arch/s390/kvm/gaccess.c | 24 ++++++++++++++++-------- 1 file changed, 16 insertions(+), 8 deletions(-) diff --git a/arch/s390/kvm/gaccess.c b/arch/s390/kvm/gaccess.c index 9b9bfc333e62..164f96ba61dd 100644 --- a/arch/s390/kvm/gaccess.c +++ b/arch/s390/kvm/gaccess.c @@ -866,6 +866,20 @@ static int guest_range_to_gpas(struct kvm_vcpu *vcpu, unsigned long ga, u8 ar, return 0; } +static int access_guest_page(struct kvm *kvm, enum gacc_mode mode, gpa_t gpa, + void *data, unsigned int len) +{ + const unsigned int offset = offset_in_page(gpa); + const gfn_t gfn = gpa_to_gfn(gpa); + int rc; + + if (mode == GACC_STORE) + rc = kvm_write_guest_page(kvm, gfn, data, offset, len); + else + rc = kvm_read_guest_page(kvm, gfn, data, offset, len); + return rc; +} + int access_guest(struct kvm_vcpu *vcpu, unsigned long ga, u8 ar, void *data, unsigned long len, enum gacc_mode mode) { @@ -896,10 +910,7 @@ int access_guest(struct kvm_vcpu *vcpu, unsigned long ga, u8 ar, void *data, rc = guest_range_to_gpas(vcpu, ga, ar, gpas, len, asce, mode); for (idx = 0; idx < nr_pages && !rc; idx++) { fragment_len = min(PAGE_SIZE - offset_in_page(gpas[idx]), len); - if (mode == GACC_STORE) - rc = kvm_write_guest(vcpu->kvm, gpas[idx], data, fragment_len); - else - rc = kvm_read_guest(vcpu->kvm, gpas[idx], data, fragment_len); + rc = access_guest_page(vcpu->kvm, mode, gpas[idx], data, fragment_len); len -= fragment_len; data += fragment_len; } @@ -920,10 +931,7 @@ int access_guest_real(struct kvm_vcpu *vcpu, unsigned long gra, while (len && !rc) { gpa = kvm_s390_real_to_abs(vcpu, gra); fragment_len = min(PAGE_SIZE - offset_in_page(gpa), len); - if (mode) - rc = write_guest_abs(vcpu, gpa, data, fragment_len); - else - rc = read_guest_abs(vcpu, gpa, data, fragment_len); + rc = access_guest_page(vcpu->kvm, mode, gpa, data, fragment_len); len -= fragment_len; gra += fragment_len; data += fragment_len; From bf83ba3c55d4f2b94882e8ecaae54f4807068dc3 Mon Sep 17 00:00:00 2001 From: Nico Boehr Date: Tue, 17 Sep 2024 17:18:33 +0200 Subject: [PATCH 597/649] KVM: s390: gaccess: Check if guest address is in memslot [ Upstream commit e8061f06185be0a06a73760d6526b8b0feadfe52 ] Previously, access_guest_page() did not check whether the given guest address is inside of a memslot. This is not a problem, since kvm_write_guest_page/kvm_read_guest_page return -EFAULT in this case. However, -EFAULT is also returned when copy_to/from_user fails. When emulating a guest instruction, the address being outside a memslot usually means that an addressing exception should be injected into the guest. Failure in copy_to/from_user however indicates that something is wrong in userspace and hence should be handled there. To be able to distinguish these two cases, return PGM_ADDRESSING in access_guest_page() when the guest address is outside guest memory. In access_guest_real(), populate vcpu->arch.pgm.code such that kvm_s390_inject_prog_cond() can be used in the caller for injecting into the guest (if applicable). Since this adds a new return value to access_guest_page(), we need to make sure that other callers are not confused by the new positive return value. There are the following users of access_guest_page(): - access_guest_with_key() does the checking itself (in guest_range_to_gpas()), so this case should never happen. Even if, the handling is set up properly. - access_guest_real() just passes the return code to its callers, which are: - read_guest_real() - see below - write_guest_real() - see below There are the following users of read_guest_real(): - ar_translation() in gaccess.c which already returns PGM_* - setup_apcb10(), setup_apcb00(), setup_apcb11() in vsie.c which always return -EFAULT on read_guest_read() nonzero return - no change - shadow_crycb(), handle_stfle() always present this as validity, this could be handled better but doesn't change current behaviour - no change There are the following users of write_guest_real(): - kvm_s390_store_status_unloaded() always returns -EFAULT on write_guest_real() failure. Fixes: 2293897805c2 ("KVM: s390: add architecture compliant guest access functions") Cc: stable@vger.kernel.org Signed-off-by: Nico Boehr Reviewed-by: Heiko Carstens Link: https://lore.kernel.org/r/20240917151904.74314-2-nrb@linux.ibm.com Acked-by: Janosch Frank Signed-off-by: Heiko Carstens Signed-off-by: Sasha Levin --- arch/s390/kvm/gaccess.c | 4 ++++ arch/s390/kvm/gaccess.h | 14 ++++++++------ 2 files changed, 12 insertions(+), 6 deletions(-) diff --git a/arch/s390/kvm/gaccess.c b/arch/s390/kvm/gaccess.c index 164f96ba61dd..5a880e254524 100644 --- a/arch/s390/kvm/gaccess.c +++ b/arch/s390/kvm/gaccess.c @@ -873,6 +873,8 @@ static int access_guest_page(struct kvm *kvm, enum gacc_mode mode, gpa_t gpa, const gfn_t gfn = gpa_to_gfn(gpa); int rc; + if (!gfn_to_memslot(kvm, gfn)) + return PGM_ADDRESSING; if (mode == GACC_STORE) rc = kvm_write_guest_page(kvm, gfn, data, offset, len); else @@ -936,6 +938,8 @@ int access_guest_real(struct kvm_vcpu *vcpu, unsigned long gra, gra += fragment_len; data += fragment_len; } + if (rc > 0) + vcpu->arch.pgm.code = rc; return rc; } diff --git a/arch/s390/kvm/gaccess.h b/arch/s390/kvm/gaccess.h index 7c72a5e3449f..8ed2d6c7404f 100644 --- a/arch/s390/kvm/gaccess.h +++ b/arch/s390/kvm/gaccess.h @@ -344,11 +344,12 @@ int read_guest_abs(struct kvm_vcpu *vcpu, unsigned long gpa, void *data, * @len: number of bytes to copy * * Copy @len bytes from @data (kernel space) to @gra (guest real address). - * It is up to the caller to ensure that the entire guest memory range is - * valid memory before calling this function. * Guest low address and key protection are not checked. * - * Returns zero on success or -EFAULT on error. + * Returns zero on success, -EFAULT when copying from @data failed, or + * PGM_ADRESSING in case @gra is outside a memslot. In this case, pgm check info + * is also stored to allow injecting into the guest (if applicable) using + * kvm_s390_inject_prog_cond(). * * If an error occurs data may have been copied partially to guest memory. */ @@ -367,11 +368,12 @@ int write_guest_real(struct kvm_vcpu *vcpu, unsigned long gra, void *data, * @len: number of bytes to copy * * Copy @len bytes from @gra (guest real address) to @data (kernel space). - * It is up to the caller to ensure that the entire guest memory range is - * valid memory before calling this function. * Guest key protection is not checked. * - * Returns zero on success or -EFAULT on error. + * Returns zero on success, -EFAULT when copying to @data failed, or + * PGM_ADRESSING in case @gra is outside a memslot. In this case, pgm check info + * is also stored to allow injecting into the guest (if applicable) using + * kvm_s390_inject_prog_cond(). * * If an error occurs data may have been copied partially to kernel space. */ From 20e27c7739452f2785ca42e2cdf39bbcae7139ae Mon Sep 17 00:00:00 2001 From: Yu Kuai Date: Wed, 23 Oct 2024 11:43:14 +0800 Subject: [PATCH 598/649] block, bfq: fix procress reference leakage for bfqq in merge chain MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit [ Upstream commit 73aeab373557fa6ee4ae0b742c6211ccd9859280 ] Original state: Process 1 Process 2 Process 3 Process 4 (BIC1) (BIC2) (BIC3) (BIC4) Λ | | | \--------------\ \-------------\ \-------------\| V V V bfqq1--------->bfqq2---------->bfqq3----------->bfqq4 ref 0 1 2 4 After commit 0e456dba86c7 ("block, bfq: choose the last bfqq from merge chain in bfq_setup_cooperator()"), if P1 issues a new IO: Without the patch: Process 1 Process 2 Process 3 Process 4 (BIC1) (BIC2) (BIC3) (BIC4) Λ | | | \------------------------------\ \-------------\| V V bfqq1--------->bfqq2---------->bfqq3----------->bfqq4 ref 0 0 2 4 bfqq3 will be used to handle IO from P1, this is not expected, IO should be redirected to bfqq4; With the patch: ------------------------------------------- | | Process 1 Process 2 Process 3 | Process 4 (BIC1) (BIC2) (BIC3) | (BIC4) | | | | \-------------\ \-------------\| V V bfqq1--------->bfqq2---------->bfqq3----------->bfqq4 ref 0 0 2 4 IO is redirected to bfqq4, however, procress reference of bfqq3 is still 2, while there is only P2 using it. Fix the problem by calling bfq_merge_bfqqs() for each bfqq in the merge chain. Also change bfqq_merge_bfqqs() to return new_bfqq to simplify code. Fixes: 0e456dba86c7 ("block, bfq: choose the last bfqq from merge chain in bfq_setup_cooperator()") Signed-off-by: Yu Kuai Link: https://lore.kernel.org/r/20240909134154.954924-3-yukuai1@huaweicloud.com Signed-off-by: Jens Axboe Signed-off-by: Sasha Levin --- block/bfq-iosched.c | 33 ++++++++++++++++----------------- 1 file changed, 16 insertions(+), 17 deletions(-) diff --git a/block/bfq-iosched.c b/block/bfq-iosched.c index 515e3c1a5475..c1600e3ac333 100644 --- a/block/bfq-iosched.c +++ b/block/bfq-iosched.c @@ -2774,10 +2774,12 @@ void bfq_release_process_ref(struct bfq_data *bfqd, struct bfq_queue *bfqq) bfq_put_queue(bfqq); } -static void -bfq_merge_bfqqs(struct bfq_data *bfqd, struct bfq_io_cq *bic, - struct bfq_queue *bfqq, struct bfq_queue *new_bfqq) +static struct bfq_queue *bfq_merge_bfqqs(struct bfq_data *bfqd, + struct bfq_io_cq *bic, + struct bfq_queue *bfqq) { + struct bfq_queue *new_bfqq = bfqq->new_bfqq; + bfq_log_bfqq(bfqd, bfqq, "merging with queue %lu", (unsigned long)new_bfqq->pid); /* Save weight raising and idle window of the merged queues */ @@ -2845,6 +2847,8 @@ bfq_merge_bfqqs(struct bfq_data *bfqd, struct bfq_io_cq *bic, new_bfqq->pid = -1; bfqq->bic = NULL; bfq_release_process_ref(bfqd, bfqq); + + return new_bfqq; } static bool bfq_allow_bio_merge(struct request_queue *q, struct request *rq, @@ -2880,14 +2884,8 @@ static bool bfq_allow_bio_merge(struct request_queue *q, struct request *rq, * fulfilled, i.e., bic can be redirected to new_bfqq * and bfqq can be put. */ - bfq_merge_bfqqs(bfqd, bfqd->bio_bic, bfqq, - new_bfqq); - /* - * If we get here, bio will be queued into new_queue, - * so use new_bfqq to decide whether bio and rq can be - * merged. - */ - bfqq = new_bfqq; + while (bfqq != new_bfqq) + bfqq = bfq_merge_bfqqs(bfqd, bfqd->bio_bic, bfqq); /* * Change also bqfd->bio_bfqq, as @@ -5444,6 +5442,7 @@ static bool __bfq_insert_request(struct bfq_data *bfqd, struct request *rq) bool waiting, idle_timer_disabled = false; if (new_bfqq) { + struct bfq_queue *old_bfqq = bfqq; /* * Release the request's reference to the old bfqq * and make sure one is taken to the shared queue. @@ -5459,18 +5458,18 @@ static bool __bfq_insert_request(struct bfq_data *bfqd, struct request *rq) * then complete the merge and redirect it to * new_bfqq. */ - if (bic_to_bfqq(RQ_BIC(rq), 1) == bfqq) - bfq_merge_bfqqs(bfqd, RQ_BIC(rq), - bfqq, new_bfqq); + if (bic_to_bfqq(RQ_BIC(rq), 1) == bfqq) { + while (bfqq != new_bfqq) + bfqq = bfq_merge_bfqqs(bfqd, RQ_BIC(rq), bfqq); + } - bfq_clear_bfqq_just_created(bfqq); + bfq_clear_bfqq_just_created(old_bfqq); /* * rq is about to be enqueued into new_bfqq, * release rq reference on bfqq */ - bfq_put_queue(bfqq); + bfq_put_queue(old_bfqq); rq->elv.priv[1] = new_bfqq; - bfqq = new_bfqq; } bfq_update_io_thinktime(bfqd, bfqq); From c9b77438077d5a20c79ead95bcdaf9bd4797baaf Mon Sep 17 00:00:00 2001 From: Mateusz Guzik Date: Tue, 22 Oct 2024 15:45:51 -0300 Subject: [PATCH 599/649] exec: don't WARN for racy path_noexec check [ Upstream commit 0d196e7589cefe207d5d41f37a0a28a1fdeeb7c6 ] Both i_mode and noexec checks wrapped in WARN_ON stem from an artifact of the previous implementation. They used to legitimately check for the condition, but that got moved up in two commits: 633fb6ac3980 ("exec: move S_ISREG() check earlier") 0fd338b2d2cd ("exec: move path_noexec() check earlier") Instead of being removed said checks are WARN_ON'ed instead, which has some debug value. However, the spurious path_noexec check is racy, resulting in unwarranted warnings should someone race with setting the noexec flag. One can note there is more to perm-checking whether execve is allowed and none of the conditions are guaranteed to still hold after they were tested for. Additionally this does not validate whether the code path did any perm checking to begin with -- it will pass if the inode happens to be regular. Keep the redundant path_noexec() check even though it's mindless nonsense checking for guarantee that isn't given so drop the WARN. Reword the commentary and do small tidy ups while here. Signed-off-by: Mateusz Guzik Link: https://lore.kernel.org/r/20240805131721.765484-1-mjguzik@gmail.com [brauner: keep redundant path_noexec() check] Signed-off-by: Christian Brauner [cascardo: keep exit label and use it] Signed-off-by: Thadeu Lima de Souza Cascardo Signed-off-by: Sasha Levin --- fs/exec.c | 21 +++++++++------------ 1 file changed, 9 insertions(+), 12 deletions(-) diff --git a/fs/exec.c b/fs/exec.c index 6e5324c7e9b6..7144c541818f 100644 --- a/fs/exec.c +++ b/fs/exec.c @@ -144,13 +144,11 @@ SYSCALL_DEFINE1(uselib, const char __user *, library) goto out; /* - * may_open() has already checked for this, so it should be - * impossible to trip now. But we need to be extra cautious - * and check again at the very end too. + * Check do_open_execat() for an explanation. */ error = -EACCES; - if (WARN_ON_ONCE(!S_ISREG(file_inode(file)->i_mode) || - path_noexec(&file->f_path))) + if (WARN_ON_ONCE(!S_ISREG(file_inode(file)->i_mode)) || + path_noexec(&file->f_path)) goto exit; fsnotify_open(file); @@ -919,16 +917,16 @@ static struct file *do_open_execat(int fd, struct filename *name, int flags) file = do_filp_open(fd, name, &open_exec_flags); if (IS_ERR(file)) - goto out; + return file; /* - * may_open() has already checked for this, so it should be - * impossible to trip now. But we need to be extra cautious - * and check again at the very end too. + * In the past the regular type check was here. It moved to may_open() in + * 633fb6ac3980 ("exec: move S_ISREG() check earlier"). Since then it is + * an invariant that all non-regular files error out before we get here. */ err = -EACCES; - if (WARN_ON_ONCE(!S_ISREG(file_inode(file)->i_mode) || - path_noexec(&file->f_path))) + if (WARN_ON_ONCE(!S_ISREG(file_inode(file)->i_mode)) || + path_noexec(&file->f_path)) goto exit; err = deny_write_access(file); @@ -938,7 +936,6 @@ static struct file *do_open_execat(int fd, struct filename *name, int flags) if (name->name[0] != '\0') fsnotify_open(file); -out: return file; exit: From 649d64650623adc449c5f35b7b1156c1e497569d Mon Sep 17 00:00:00 2001 From: Christoph Hellwig Date: Tue, 22 Oct 2024 18:33:46 +0200 Subject: [PATCH 600/649] iomap: update ki_pos a little later in iomap_dio_complete upstream 936e114a245b6e38e0dbf706a67e7611fc993da1 commit. Move the ki_pos update down a bit to prepare for a better common helper that invalidates pages based of an iocb. Link: https://lkml.kernel.org/r/20230601145904.1385409-3-hch@lst.de Signed-off-by: Christoph Hellwig Reviewed-by: Damien Le Moal Reviewed-by: Hannes Reinecke Reviewed-by: Darrick J. Wong Cc: Al Viro Cc: Andreas Gruenbacher Cc: Anna Schumaker Cc: Chao Yu Cc: Christian Brauner Cc: Ilya Dryomov Cc: Jaegeuk Kim Cc: Jens Axboe Cc: Johannes Thumshirn Cc: Matthew Wilcox Cc: Miklos Szeredi Cc: Miklos Szeredi Cc: Theodore Ts'o Cc: Trond Myklebust Cc: Xiubo Li Signed-off-by: Andrew Morton Signed-off-by: Mahmoud Adam Signed-off-by: Sasha Levin --- fs/iomap/direct-io.c | 18 ++++++++++-------- 1 file changed, 10 insertions(+), 8 deletions(-) diff --git a/fs/iomap/direct-io.c b/fs/iomap/direct-io.c index 933f234d5bec..8a49c0d3a7b4 100644 --- a/fs/iomap/direct-io.c +++ b/fs/iomap/direct-io.c @@ -93,7 +93,6 @@ ssize_t iomap_dio_complete(struct iomap_dio *dio) if (offset + ret > dio->i_size && !(dio->flags & IOMAP_DIO_WRITE)) ret = dio->i_size - offset; - iocb->ki_pos += ret; } /* @@ -119,15 +118,18 @@ ssize_t iomap_dio_complete(struct iomap_dio *dio) } inode_dio_end(file_inode(iocb->ki_filp)); - /* - * If this is a DSYNC write, make sure we push it to stable storage now - * that we've written data. - */ - if (ret > 0 && (dio->flags & IOMAP_DIO_NEED_SYNC)) - ret = generic_write_sync(iocb, ret); + if (ret > 0) { + iocb->ki_pos += ret; + + /* + * If this is a DSYNC write, make sure we push it to stable + * storage now that we've written data. + */ + if (dio->flags & IOMAP_DIO_NEED_SYNC) + ret = generic_write_sync(iocb, ret); + } kfree(dio); - return ret; } EXPORT_SYMBOL_GPL(iomap_dio_complete); From 75f828e944dacaac8870418461d3d48a1ecf2331 Mon Sep 17 00:00:00 2001 From: Hans de Goede Date: Tue, 27 Aug 2024 12:45:23 +0200 Subject: [PATCH 601/649] drm/vboxvideo: Replace fake VLA at end of vbva_mouse_pointer_shape with real VLA [ Upstream commit d92b90f9a54d9300a6e883258e79f36dab53bfae ] Replace the fake VLA at end of the vbva_mouse_pointer_shape shape with a real VLA to fix a "memcpy: detected field-spanning write error" warning: [ 13.319813] memcpy: detected field-spanning write (size 16896) of single field "p->data" at drivers/gpu/drm/vboxvideo/hgsmi_base.c:154 (size 4) [ 13.319841] WARNING: CPU: 0 PID: 1105 at drivers/gpu/drm/vboxvideo/hgsmi_base.c:154 hgsmi_update_pointer_shape+0x192/0x1c0 [vboxvideo] [ 13.320038] Call Trace: [ 13.320173] hgsmi_update_pointer_shape [vboxvideo] [ 13.320184] vbox_cursor_atomic_update [vboxvideo] Note as mentioned in the added comment it seems the original length calculation for the allocated and send hgsmi buffer is 4 bytes too large. Changing this is not the goal of this patch, so this behavior is kept. Signed-off-by: Hans de Goede Reviewed-by: Jani Nikula Link: https://patchwork.freedesktop.org/patch/msgid/20240827104523.17442-1-hdegoede@redhat.com Signed-off-by: Sasha Levin --- drivers/gpu/drm/vboxvideo/hgsmi_base.c | 10 +++++++++- drivers/gpu/drm/vboxvideo/vboxvideo.h | 4 +--- 2 files changed, 10 insertions(+), 4 deletions(-) diff --git a/drivers/gpu/drm/vboxvideo/hgsmi_base.c b/drivers/gpu/drm/vboxvideo/hgsmi_base.c index 361d3193258e..7edc9cf6a606 100644 --- a/drivers/gpu/drm/vboxvideo/hgsmi_base.c +++ b/drivers/gpu/drm/vboxvideo/hgsmi_base.c @@ -135,7 +135,15 @@ int hgsmi_update_pointer_shape(struct gen_pool *ctx, u32 flags, flags |= VBOX_MOUSE_POINTER_VISIBLE; } - p = hgsmi_buffer_alloc(ctx, sizeof(*p) + pixel_len, HGSMI_CH_VBVA, + /* + * The 4 extra bytes come from switching struct vbva_mouse_pointer_shape + * from having a 4 bytes fixed array at the end to using a proper VLA + * at the end. These 4 extra bytes were not subtracted from sizeof(*p) + * before the switch to the VLA, so this way the behavior is unchanged. + * Chances are these 4 extra bytes are not necessary but they are kept + * to avoid regressions. + */ + p = hgsmi_buffer_alloc(ctx, sizeof(*p) + pixel_len + 4, HGSMI_CH_VBVA, VBVA_MOUSE_POINTER_SHAPE); if (!p) return -ENOMEM; diff --git a/drivers/gpu/drm/vboxvideo/vboxvideo.h b/drivers/gpu/drm/vboxvideo/vboxvideo.h index a5de40fe1a76..bed285fe083c 100644 --- a/drivers/gpu/drm/vboxvideo/vboxvideo.h +++ b/drivers/gpu/drm/vboxvideo/vboxvideo.h @@ -351,10 +351,8 @@ struct vbva_mouse_pointer_shape { * Bytes in the gap between the AND and the XOR mask are undefined. * XOR mask scanlines have no gap between them and size of XOR mask is: * xor_len = width * 4 * height. - * - * Preallocate 4 bytes for accessing actual data as p->data. */ - u8 data[4]; + u8 data[]; } __packed; /* pointer is visible */ From 0329056e0730dee3f3ece2b329ecf19987aeae99 Mon Sep 17 00:00:00 2001 From: Shengjiu Wang Date: Mon, 30 Sep 2024 14:08:28 +0800 Subject: [PATCH 602/649] ASoC: fsl_sai: Enable 'FIFO continue on error' FCONT bit [ Upstream commit 72455e33173c1a00c0ce93d2b0198eb45d5f4195 ] FCONT=1 means On FIFO error, the SAI will continue from the same word that caused the FIFO error to set after the FIFO warning flag has been cleared. Set FCONT bit in control register to avoid the channel swap issue after SAI xrun. Signed-off-by: Shengjiu Wang Link: https://patch.msgid.link/1727676508-22830-1-git-send-email-shengjiu.wang@nxp.com Signed-off-by: Mark Brown Signed-off-by: Sasha Levin --- sound/soc/fsl/fsl_sai.c | 5 ++++- sound/soc/fsl/fsl_sai.h | 1 + 2 files changed, 5 insertions(+), 1 deletion(-) diff --git a/sound/soc/fsl/fsl_sai.c b/sound/soc/fsl/fsl_sai.c index 03731d14d475..998102711da0 100644 --- a/sound/soc/fsl/fsl_sai.c +++ b/sound/soc/fsl/fsl_sai.c @@ -490,6 +490,9 @@ static int fsl_sai_hw_params(struct snd_pcm_substream *substream, val_cr4 |= FSL_SAI_CR4_FRSZ(slots); + /* Set to avoid channel swap */ + val_cr4 |= FSL_SAI_CR4_FCONT; + /* Set to output mode to avoid tri-stated data pins */ if (tx) val_cr4 |= FSL_SAI_CR4_CHMOD; @@ -515,7 +518,7 @@ static int fsl_sai_hw_params(struct snd_pcm_substream *substream, FSL_SAI_CR3_TRCE((1 << pins) - 1)); regmap_update_bits(sai->regmap, FSL_SAI_xCR4(tx, ofs), FSL_SAI_CR4_SYWD_MASK | FSL_SAI_CR4_FRSZ_MASK | - FSL_SAI_CR4_CHMOD_MASK, + FSL_SAI_CR4_CHMOD_MASK | FSL_SAI_CR4_FCONT_MASK, val_cr4); regmap_update_bits(sai->regmap, FSL_SAI_xCR5(tx, ofs), FSL_SAI_CR5_WNW_MASK | FSL_SAI_CR5_W0W_MASK | diff --git a/sound/soc/fsl/fsl_sai.h b/sound/soc/fsl/fsl_sai.h index 691847d54b17..eff3b7b2dd3e 100644 --- a/sound/soc/fsl/fsl_sai.h +++ b/sound/soc/fsl/fsl_sai.h @@ -132,6 +132,7 @@ /* SAI Transmit and Receive Configuration 4 Register */ +#define FSL_SAI_CR4_FCONT_MASK BIT(28) #define FSL_SAI_CR4_FCONT BIT(28) #define FSL_SAI_CR4_FCOMB_SHIFT BIT(26) #define FSL_SAI_CR4_FCOMB_SOFT BIT(27) From 8605ca4bd0f469afab213e2f8df841fe62b93df6 Mon Sep 17 00:00:00 2001 From: Mark Rutland Date: Fri, 27 Sep 2024 11:18:38 +0100 Subject: [PATCH 603/649] arm64: Force position-independent veneers [ Upstream commit 9abe390e689f4f5c23c5f507754f8678431b4f72 ] Certain portions of code always need to be position-independent regardless of CONFIG_RELOCATABLE, including code which is executed in an idmap or which is executed before relocations are applied. In some kernel configurations the LLD linker generates position-dependent veneers for such code, and when executed these result in early boot-time failures. Marc Zyngier encountered a boot failure resulting from this when building a (particularly cursed) configuration with LLVM, as he reported to the list: https://lore.kernel.org/linux-arm-kernel/86wmjwvatn.wl-maz@kernel.org/ In Marc's kernel configuration, the .head.text and .rodata.text sections end up more than 128MiB apart, requiring a veneer to branch between the two: | [mark@lakrids:~/src/linux]% usekorg 14.1.0 aarch64-linux-objdump -t vmlinux | grep -w _text | ffff800080000000 g .head.text 0000000000000000 _text | [mark@lakrids:~/src/linux]% usekorg 14.1.0 aarch64-linux-objdump -t vmlinux | grep -w primary_entry | ffff8000889df0e0 g .rodata.text 000000000000006c primary_entry, ... consequently, LLD inserts a position-dependent veneer for the branch from _stext (in .head.text) to primary_entry (in .rodata.text): | ffff800080000000 <_text>: | ffff800080000000: fa405a4d ccmp x18, #0x0, #0xd, pl // pl = nfrst | ffff800080000004: 14003fff b ffff800080010000 <__AArch64AbsLongThunk_primary_entry> ... | ffff800080010000 <__AArch64AbsLongThunk_primary_entry>: | ffff800080010000: 58000050 ldr x16, ffff800080010008 <__AArch64AbsLongThunk_primary_entry+0x8> | ffff800080010004: d61f0200 br x16 | ffff800080010008: 889df0e0 .word 0x889df0e0 | ffff80008001000c: ffff8000 .word 0xffff8000 ... and as this is executed early in boot before the kernel is mapped in TTBR1 this results in a silent boot failure. Fix this by passing '--pic-veneer' to the linker, which will cause the linker to use position-independent veneers, e.g. | ffff800080000000 <_text>: | ffff800080000000: fa405a4d ccmp x18, #0x0, #0xd, pl // pl = nfrst | ffff800080000004: 14003fff b ffff800080010000 <__AArch64ADRPThunk_primary_entry> ... | ffff800080010000 <__AArch64ADRPThunk_primary_entry>: | ffff800080010000: f004e3f0 adrp x16, ffff800089c8f000 <__idmap_text_start> | ffff800080010004: 91038210 add x16, x16, #0xe0 | ffff800080010008: d61f0200 br x16 I've opted to pass '--pic-veneer' unconditionally, as: * In addition to solving the boot failure, these sequences are generally nicer as they require fewer instructions and don't need to perform data accesses. * While the position-independent veneer sequences have a limited +/-2GiB range, this is not a new restriction. Even kernels built with CONFIG_RELOCATABLE=n are limited to 2GiB in size as we have several structues using 32-bit relative offsets and PPREL32 relocations, which are similarly limited to +/-2GiB in range. These include extable entries, jump table entries, and alt_instr entries. * GNU LD defaults to using position-independent veneers, and supports the same '--pic-veneer' option, so this change is not expected to adversely affect GNU LD. I've tested with GNU LD 2.30 to 2.42 inclusive and LLVM 13.0.1 to 19.1.0 inclusive, using the kernel.org binaries from: * https://mirrors.edge.kernel.org/pub/tools/crosstool/ * https://mirrors.edge.kernel.org/pub/tools/llvm/ Signed-off-by: Mark Rutland Reported-by: Marc Zyngier Cc: Ard Biesheuvel Cc: Nathan Chancellor Cc: Nick Desaulniers Cc: Will Deacon Acked-by: Ard Biesheuvel Reviewed-by: Nathan Chancellor Link: https://lore.kernel.org/r/20240927101838.3061054-1-mark.rutland@arm.com Signed-off-by: Catalin Marinas Signed-off-by: Sasha Levin --- arch/arm64/Makefile | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/arch/arm64/Makefile b/arch/arm64/Makefile index 485b7dbd4f9e..96dcddc358c7 100644 --- a/arch/arm64/Makefile +++ b/arch/arm64/Makefile @@ -10,7 +10,7 @@ # # Copyright (C) 1995-2001 by Russell King -LDFLAGS_vmlinux :=--no-undefined -X +LDFLAGS_vmlinux :=--no-undefined -X --pic-veneer ifeq ($(CONFIG_RELOCATABLE), y) # Pass --no-apply-dynamic-relocs to restore pre-binutils-2.27 behaviour From df848523d6b47579a548561ac7f0dad9006ac69c Mon Sep 17 00:00:00 2001 From: Dave Kleikamp Date: Tue, 22 Oct 2024 09:40:37 -0500 Subject: [PATCH 604/649] jfs: Fix sanity check in dbMount [ Upstream commit 67373ca8404fe57eb1bb4b57f314cff77ce54932 ] MAXAG is a legitimate value for bmp->db_numag Fixes: e63866a47556 ("jfs: fix out-of-bounds in dbNextAG() and diAlloc()") Signed-off-by: Dave Kleikamp Signed-off-by: Sasha Levin --- fs/jfs/jfs_dmap.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/fs/jfs/jfs_dmap.c b/fs/jfs/jfs_dmap.c index 8efd93992946..559f6ebebfc0 100644 --- a/fs/jfs/jfs_dmap.c +++ b/fs/jfs/jfs_dmap.c @@ -187,7 +187,7 @@ int dbMount(struct inode *ipbmap) } bmp->db_numag = le32_to_cpu(dbmp_le->dn_numag); - if (!bmp->db_numag || bmp->db_numag >= MAXAG) { + if (!bmp->db_numag || bmp->db_numag > MAXAG) { err = -EINVAL; goto err_release_metapage; } From 02874ca52df2ca2423ba6122039315ed61c25972 Mon Sep 17 00:00:00 2001 From: Leo Yan Date: Mon, 7 Oct 2024 15:47:24 +0100 Subject: [PATCH 605/649] tracing: Consider the NULL character when validating the event length [ Upstream commit 0b6e2e22cb23105fcb171ab92f0f7516c69c8471 ] strlen() returns a string length excluding the null byte. If the string length equals to the maximum buffer length, the buffer will have no space for the NULL terminating character. This commit checks this condition and returns failure for it. Link: https://lore.kernel.org/all/20241007144724.920954-1-leo.yan@arm.com/ Fixes: dec65d79fd26 ("tracing/probe: Check event name length correctly") Signed-off-by: Leo Yan Reviewed-by: Steven Rostedt (Google) Signed-off-by: Masami Hiramatsu (Google) Signed-off-by: Sasha Levin --- kernel/trace/trace_probe.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/kernel/trace/trace_probe.c b/kernel/trace/trace_probe.c index 073abbe3866b..1893fe5460ac 100644 --- a/kernel/trace/trace_probe.c +++ b/kernel/trace/trace_probe.c @@ -256,7 +256,7 @@ int traceprobe_parse_event_name(const char **pevent, const char **pgroup, if (len == 0) { trace_probe_log_err(offset, NO_EVENT_NAME); return -EINVAL; - } else if (len > MAX_EVENT_NAME_LEN) { + } else if (len >= MAX_EVENT_NAME_LEN) { trace_probe_log_err(offset, EVENT_TOO_LONG); return -EINVAL; } From b6e11f918f62155b7cd7e0cadc1a4323a0ac438c Mon Sep 17 00:00:00 2001 From: Benoit Sevens Date: Thu, 7 Nov 2024 14:22:02 +0000 Subject: [PATCH 606/649] UPSTREAM: USB: media: uvcvideo: Skip parsing frames of type UVC_VS_UNDEFINED in uvc_parse_format This can lead to out of bounds writes since frames of this type were not taken into account when calculating the size of the frames buffer in uvc_parse_streaming. Fixes: c0efd232929c ("V4L/DVB (8145a): USB Video Class driver") Signed-off-by: Benoit Sevens Cc: stable@vger.kernel.org Acked-by: Greg Kroah-Hartman Reviewed-by: Laurent Pinchart Signed-off-by: Hans Verkuil Signed-off-by: Greg Kroah-Hartman Bug: 378455392 (cherry picked from commit ecf2b43018da9579842c774b7f35dbe11b5c38dd) Signed-off-by: Greg Kroah-Hartman Change-Id: I959a6374ba7adf021fc19da755f5c7611fef9b8c --- drivers/media/usb/uvc/uvc_driver.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/media/usb/uvc/uvc_driver.c b/drivers/media/usb/uvc/uvc_driver.c index cfbc7595cd0b..519fd648f26c 100644 --- a/drivers/media/usb/uvc/uvc_driver.c +++ b/drivers/media/usb/uvc/uvc_driver.c @@ -661,7 +661,7 @@ static int uvc_parse_format(struct uvc_device *dev, /* Parse the frame descriptors. Only uncompressed, MJPEG and frame * based formats have frame descriptors. */ - while (buflen > 2 && buffer[1] == USB_DT_CS_INTERFACE && + while (ftype && buflen > 2 && buffer[1] == USB_DT_CS_INTERFACE && buffer[2] == ftype) { frame = &format->frame[format->nframes]; if (ftype != UVC_VS_FRAME_FRAME_BASED) From de373c691bd1f70e66cd9b5b249f84ce02188f7f Mon Sep 17 00:00:00 2001 From: Arend van Spriel Date: Tue, 5 Jan 2021 11:58:39 +0100 Subject: [PATCH 607/649] UPSTREAM: cfg80211: add VHT rate entries for MCS-10 and MCS-11 Observed the warning in cfg80211_calculate_bitrate_vht() using an 11ac chip reporting MCS-11. Since devices reporting non-standard MCS-9 is already supported add similar entries for MCS-10 and MCS-11. Actually, the value of MCS-9@20MHz is slightly off so corrected that. Signed-off-by: Arend van Spriel Link: https://lore.kernel.org/r/20210105105839.3795-1-arend.vanspriel@broadcom.com [fix array size] Signed-off-by: Johannes Berg Bug: 378419526 Change-Id: I81f5fc902c909b4d3ba8006c69363f875f6451ea (cherry picked from commit c27aa56a72b8ea6d3bef6fcb1be1a85cf78b0673) Signed-off-by: Shivani Baranwal --- net/wireless/util.c | 14 +++++++++++--- 1 file changed, 11 insertions(+), 3 deletions(-) diff --git a/net/wireless/util.c b/net/wireless/util.c index 4eabbd8ecf6a..7447fe3c331c 100644 --- a/net/wireless/util.c +++ b/net/wireless/util.c @@ -1231,7 +1231,7 @@ static u32 cfg80211_calculate_bitrate_edmg(struct rate_info *rate) static u32 cfg80211_calculate_bitrate_vht(struct rate_info *rate) { - static const u32 base[4][10] = { + static const u32 base[4][12] = { { 6500000, 13000000, 19500000, @@ -1242,7 +1242,9 @@ static u32 cfg80211_calculate_bitrate_vht(struct rate_info *rate) 65000000, 78000000, /* not in the spec, but some devices use this: */ - 86500000, + 86700000, + 97500000, + 108300000, }, { 13500000, 27000000, @@ -1254,6 +1256,8 @@ static u32 cfg80211_calculate_bitrate_vht(struct rate_info *rate) 135000000, 162000000, 180000000, + 202500000, + 225000000, }, { 29300000, 58500000, @@ -1265,6 +1269,8 @@ static u32 cfg80211_calculate_bitrate_vht(struct rate_info *rate) 292500000, 351000000, 390000000, + 438800000, + 487500000, }, { 58500000, 117000000, @@ -1276,12 +1282,14 @@ static u32 cfg80211_calculate_bitrate_vht(struct rate_info *rate) 585000000, 702000000, 780000000, + 877500000, + 975000000, }, }; u32 bitrate; int idx; - if (rate->mcs > 9) + if (rate->mcs > 11) goto warn; switch (rate->bw) { From 8441327954023368eb0c363c9b13ef962a192974 Mon Sep 17 00:00:00 2001 From: Greg Kroah-Hartman Date: Tue, 12 Nov 2024 11:35:39 +0000 Subject: [PATCH 608/649] Revert "Merge 8a30bee7f534 ("usb: dwc3: core: update LC timer as per USB Spec V3.2") into android12-5.10-lts" This reverts commit 18eef3d55a1d4149a3b3a6bb89f14bad88342a21, reversing changes made to e477d44e5f3e369ddd47cf8ae1a9449b8792b8e1. Merge away the dwc3 changes in 5.10.227 as they break the abi and the build tests. If these are needed in the future, they can come back in an abi-safe way. Change-Id: I2f5057d0fc82e9b0bd2a6d93676d9fc1757cc95b Signed-off-by: Greg Kroah-Hartman --- drivers/usb/dwc3/core.c | 32 -------------------------------- drivers/usb/dwc3/core.h | 6 ------ 2 files changed, 38 deletions(-) diff --git a/drivers/usb/dwc3/core.c b/drivers/usb/dwc3/core.c index eea95eea2eb7..7cdc2bca8971 100644 --- a/drivers/usb/dwc3/core.c +++ b/drivers/usb/dwc3/core.c @@ -1058,36 +1058,6 @@ static int dwc3_core_init(struct dwc3 *dwc) dwc3_writel(dwc->regs, DWC3_GUCTL2, reg); } - /* - * STAR 9001285599: This issue affects DWC_usb3 version 3.20a - * only. If the PM TIMER ECM is enabled through GUCTL2[19], the - * link compliance test (TD7.21) may fail. If the ECN is not - * enabled (GUCTL2[19] = 0), the controller will use the old timer - * value (5us), which is still acceptable for the link compliance - * test. Therefore, do not enable PM TIMER ECM in 3.20a by - * setting GUCTL2[19] by default; instead, use GUCTL2[19] = 0. - */ - if (DWC3_VER_IS(DWC3, 320A)) { - reg = dwc3_readl(dwc->regs, DWC3_GUCTL2); - reg &= ~DWC3_GUCTL2_LC_TIMER; - dwc3_writel(dwc->regs, DWC3_GUCTL2, reg); - } - - /* - * When configured in HOST mode, after issuing U3/L2 exit controller - * fails to send proper CRC checksum in CRC5 feild. Because of this - * behaviour Transaction Error is generated, resulting in reset and - * re-enumeration of usb device attached. All the termsel, xcvrsel, - * opmode becomes 0 during end of resume. Enabling bit 10 of GUCTL1 - * will correct this problem. This option is to support certain - * legacy ULPI PHYs. - */ - if (dwc->resume_hs_terminations) { - reg = dwc3_readl(dwc->regs, DWC3_GUCTL1); - reg |= DWC3_GUCTL1_RESUME_OPMODE_HS_HOST; - dwc3_writel(dwc->regs, DWC3_GUCTL1, reg); - } - if (!DWC3_VER_IS_PRIOR(DWC3, 250A)) { reg = dwc3_readl(dwc->regs, DWC3_GUCTL1); @@ -1431,8 +1401,6 @@ static void dwc3_get_properties(struct dwc3 *dwc) "snps,dis-del-phy-power-chg-quirk"); dwc->dis_tx_ipgap_linecheck_quirk = device_property_read_bool(dev, "snps,dis-tx-ipgap-linecheck-quirk"); - dwc->resume_hs_terminations = device_property_read_bool(dev, - "snps,resume-hs-terminations"); dwc->parkmode_disable_ss_quirk = device_property_read_bool(dev, "snps,parkmode-disable-ss-quirk"); diff --git a/drivers/usb/dwc3/core.h b/drivers/usb/dwc3/core.h index 0aafcbd53bd9..1afdf157e46e 100644 --- a/drivers/usb/dwc3/core.h +++ b/drivers/usb/dwc3/core.h @@ -261,7 +261,6 @@ #define DWC3_GUCTL1_DEV_FORCE_20_CLK_FOR_30_CLK BIT(26) #define DWC3_GUCTL1_DEV_L1_EXIT_BY_HW BIT(24) #define DWC3_GUCTL1_PARKMODE_DISABLE_SS BIT(17) -#define DWC3_GUCTL1_RESUME_OPMODE_HS_HOST BIT(10) /* Global Status Register */ #define DWC3_GSTS_OTG_IP BIT(10) @@ -391,7 +390,6 @@ /* Global User Control Register 2 */ #define DWC3_GUCTL2_RST_ACTBITLATER BIT(14) -#define DWC3_GUCTL2_LC_TIMER BIT(19) /* Global User Control Register 3 */ #define DWC3_GUCTL3_SPLITDISABLE BIT(14) @@ -1092,8 +1090,6 @@ struct dwc3_scratchpad_array { * change quirk. * @dis_tx_ipgap_linecheck_quirk: set if we disable u2mac linestate * check during HS transmit. - * @resume-hs-terminations: Set if we enable quirk for fixing improper crc - * generation after resume from suspend. * @parkmode_disable_ss_quirk: set if we need to disable all SuperSpeed * instances in park mode. * @tx_de_emphasis_quirk: set if we enable Tx de-emphasis quirk @@ -1216,7 +1212,6 @@ struct dwc3 { #define DWC3_REVISION_290A 0x5533290a #define DWC3_REVISION_300A 0x5533300a #define DWC3_REVISION_310A 0x5533310a -#define DWC3_REVISION_320A 0x5533320a #define DWC3_REVISION_330A 0x5533330a #define DWC31_REVISION_ANY 0x0 @@ -1307,7 +1302,6 @@ struct dwc3 { unsigned dis_u2_freeclk_exists_quirk:1; unsigned dis_del_phy_power_chg_quirk:1; unsigned dis_tx_ipgap_linecheck_quirk:1; - unsigned resume_hs_terminations:1; unsigned parkmode_disable_ss_quirk:1; unsigned tx_de_emphasis_quirk:1; From 3ce453209973c58ae6f981c05e42bf792ce4384d Mon Sep 17 00:00:00 2001 From: Greg Kroah-Hartman Date: Sat, 9 Nov 2024 12:05:27 +0000 Subject: [PATCH 609/649] Revert "bareudp: Pull inner IP header in bareudp_udp_encap_recv()." This reverts commit 76851c70a5cfa5444718ba00f87d067ecc816ea0 which is commit 45fa29c85117170b0508790f878b13ec6593c888 upstream. It breaks the Android kernel build and can be brought back in the future in an abi-safe way if it is really needed. Bug: 161946584 Change-Id: Ic4c22cf6bfa12bdc130cf846cfb5554b8f5580eb Signed-off-by: Greg Kroah-Hartman --- drivers/net/bareudp.c | 20 ++------------------ 1 file changed, 2 insertions(+), 18 deletions(-) diff --git a/drivers/net/bareudp.c b/drivers/net/bareudp.c index 66019108ca36..e01dd36af62c 100644 --- a/drivers/net/bareudp.c +++ b/drivers/net/bareudp.c @@ -60,7 +60,6 @@ static int bareudp_udp_encap_recv(struct sock *sk, struct sk_buff *skb) __be16 proto; void *oiph; int err; - int nh; bareudp = rcu_dereference_sk_user_data(sk); if (!bareudp) @@ -138,24 +137,9 @@ static int bareudp_udp_encap_recv(struct sock *sk, struct sk_buff *skb) } skb_dst_set(skb, &tun_dst->dst); skb->dev = bareudp->dev; - skb_reset_mac_header(skb); - - /* Save offset of outer header relative to skb->head, - * because we are going to reset the network header to the inner header - * and might change skb->head. - */ - nh = skb_network_header(skb) - skb->head; - + oiph = skb_network_header(skb); skb_reset_network_header(skb); - - if (!pskb_inet_may_pull(skb)) { - DEV_STATS_INC(bareudp->dev, rx_length_errors); - DEV_STATS_INC(bareudp->dev, rx_errors); - goto drop; - } - - /* Get the outer header. */ - oiph = skb->head + nh; + skb_reset_mac_header(skb); if (!ipv6_mod_enabled() || family == AF_INET) err = IP_ECN_decapsulate(oiph, skb); From 8cf71990eabf357d2a97f8647256481b114cbbf7 Mon Sep 17 00:00:00 2001 From: Greg Kroah-Hartman Date: Sat, 9 Nov 2024 12:54:16 +0000 Subject: [PATCH 610/649] Revert "inet: inet_defrag: prevent sk release while still in use" This reverts commit 9705f447bf9a6cd088300ad2c407b5e1c6591091 which is commit 18685451fc4e546fc0e718580d32df3c0e5c8272 upstream. It breaks the Android kernel abi and can be brought back in the future in an abi-safe way if it is really needed. Bug: 161946584 Change-Id: I049667ee9c932c352643b7f1c743b2025c4b284c Signed-off-by: Greg Kroah-Hartman --- include/linux/skbuff.h | 5 +- net/core/sock_destructor.h | 12 ----- net/ipv4/inet_fragment.c | 70 +++++-------------------- net/ipv4/ip_fragment.c | 2 +- net/ipv6/netfilter/nf_conntrack_reasm.c | 2 +- 5 files changed, 19 insertions(+), 72 deletions(-) delete mode 100644 net/core/sock_destructor.h diff --git a/include/linux/skbuff.h b/include/linux/skbuff.h index 5fa65ea2a62c..a05ccd40150b 100644 --- a/include/linux/skbuff.h +++ b/include/linux/skbuff.h @@ -737,7 +737,10 @@ struct sk_buff { struct list_head list; }; - struct sock *sk; + union { + struct sock *sk; + int ip_defrag_offset; + }; union { ktime_t tstamp; diff --git a/net/core/sock_destructor.h b/net/core/sock_destructor.h deleted file mode 100644 index 2f396e6bfba5..000000000000 --- a/net/core/sock_destructor.h +++ /dev/null @@ -1,12 +0,0 @@ -/* SPDX-License-Identifier: GPL-2.0-or-later */ -#ifndef _NET_CORE_SOCK_DESTRUCTOR_H -#define _NET_CORE_SOCK_DESTRUCTOR_H -#include - -static inline bool is_skb_wmem(const struct sk_buff *skb) -{ - return skb->destructor == sock_wfree || - skb->destructor == __sock_wfree || - (IS_ENABLED(CONFIG_INET) && skb->destructor == tcp_wfree); -} -#endif diff --git a/net/ipv4/inet_fragment.c b/net/ipv4/inet_fragment.c index 12ef3cb26676..e0e8a65d561e 100644 --- a/net/ipv4/inet_fragment.c +++ b/net/ipv4/inet_fragment.c @@ -24,8 +24,6 @@ #include #include -#include "../core/sock_destructor.h" - /* Use skb->cb to track consecutive/adjacent fragments coming at * the end of the queue. Nodes in the rb-tree queue will * contain "runs" of one or more adjacent fragments. @@ -41,7 +39,6 @@ struct ipfrag_skb_cb { }; struct sk_buff *next_frag; int frag_run_len; - int ip_defrag_offset; }; #define FRAG_CB(skb) ((struct ipfrag_skb_cb *)((skb)->cb)) @@ -362,12 +359,12 @@ int inet_frag_queue_insert(struct inet_frag_queue *q, struct sk_buff *skb, */ if (!last) fragrun_create(q, skb); /* First fragment. */ - else if (FRAG_CB(last)->ip_defrag_offset + last->len < end) { + else if (last->ip_defrag_offset + last->len < end) { /* This is the common case: skb goes to the end. */ /* Detect and discard overlaps. */ - if (offset < FRAG_CB(last)->ip_defrag_offset + last->len) + if (offset < last->ip_defrag_offset + last->len) return IPFRAG_OVERLAP; - if (offset == FRAG_CB(last)->ip_defrag_offset + last->len) + if (offset == last->ip_defrag_offset + last->len) fragrun_append_to_last(q, skb); else fragrun_create(q, skb); @@ -384,13 +381,13 @@ int inet_frag_queue_insert(struct inet_frag_queue *q, struct sk_buff *skb, parent = *rbn; curr = rb_to_skb(parent); - curr_run_end = FRAG_CB(curr)->ip_defrag_offset + + curr_run_end = curr->ip_defrag_offset + FRAG_CB(curr)->frag_run_len; - if (end <= FRAG_CB(curr)->ip_defrag_offset) + if (end <= curr->ip_defrag_offset) rbn = &parent->rb_left; else if (offset >= curr_run_end) rbn = &parent->rb_right; - else if (offset >= FRAG_CB(curr)->ip_defrag_offset && + else if (offset >= curr->ip_defrag_offset && end <= curr_run_end) return IPFRAG_DUP; else @@ -404,7 +401,7 @@ int inet_frag_queue_insert(struct inet_frag_queue *q, struct sk_buff *skb, rb_insert_color(&skb->rbnode, &q->rb_fragments); } - FRAG_CB(skb)->ip_defrag_offset = offset; + skb->ip_defrag_offset = offset; return IPFRAG_OK; } @@ -414,28 +411,13 @@ void *inet_frag_reasm_prepare(struct inet_frag_queue *q, struct sk_buff *skb, struct sk_buff *parent) { struct sk_buff *fp, *head = skb_rb_first(&q->rb_fragments); - void (*destructor)(struct sk_buff *); - unsigned int orig_truesize = 0; - struct sk_buff **nextp = NULL; - struct sock *sk = skb->sk; + struct sk_buff **nextp; int delta; - if (sk && is_skb_wmem(skb)) { - /* TX: skb->sk might have been passed as argument to - * dst->output and must remain valid until tx completes. - * - * Move sk to reassembled skb and fix up wmem accounting. - */ - orig_truesize = skb->truesize; - destructor = skb->destructor; - } - if (head != skb) { fp = skb_clone(skb, GFP_ATOMIC); - if (!fp) { - head = skb; - goto out_restore_sk; - } + if (!fp) + return NULL; FRAG_CB(fp)->next_frag = FRAG_CB(skb)->next_frag; if (RB_EMPTY_NODE(&skb->rbnode)) FRAG_CB(parent)->next_frag = fp; @@ -444,12 +426,6 @@ void *inet_frag_reasm_prepare(struct inet_frag_queue *q, struct sk_buff *skb, &q->rb_fragments); if (q->fragments_tail == skb) q->fragments_tail = fp; - - if (orig_truesize) { - /* prevent skb_morph from releasing sk */ - skb->sk = NULL; - skb->destructor = NULL; - } skb_morph(skb, head); FRAG_CB(skb)->next_frag = FRAG_CB(head)->next_frag; rb_replace_node(&head->rbnode, &skb->rbnode, @@ -457,13 +433,13 @@ void *inet_frag_reasm_prepare(struct inet_frag_queue *q, struct sk_buff *skb, consume_skb(head); head = skb; } - WARN_ON(FRAG_CB(head)->ip_defrag_offset != 0); + WARN_ON(head->ip_defrag_offset != 0); delta = -head->truesize; /* Head of list must not be cloned. */ if (skb_unclone(head, GFP_ATOMIC)) - goto out_restore_sk; + return NULL; delta += head->truesize; if (delta) @@ -479,7 +455,7 @@ void *inet_frag_reasm_prepare(struct inet_frag_queue *q, struct sk_buff *skb, clone = alloc_skb(0, GFP_ATOMIC); if (!clone) - goto out_restore_sk; + return NULL; skb_shinfo(clone)->frag_list = skb_shinfo(head)->frag_list; skb_frag_list_init(head); for (i = 0; i < skb_shinfo(head)->nr_frags; i++) @@ -496,21 +472,6 @@ void *inet_frag_reasm_prepare(struct inet_frag_queue *q, struct sk_buff *skb, nextp = &skb_shinfo(head)->frag_list; } -out_restore_sk: - if (orig_truesize) { - int ts_delta = head->truesize - orig_truesize; - - /* if this reassembled skb is fragmented later, - * fraglist skbs will get skb->sk assigned from head->sk, - * and each frag skb will be released via sock_wfree. - * - * Update sk_wmem_alloc. - */ - head->sk = sk; - head->destructor = destructor; - refcount_add(ts_delta, &sk->sk_wmem_alloc); - } - return nextp; } EXPORT_SYMBOL(inet_frag_reasm_prepare); @@ -518,8 +479,6 @@ EXPORT_SYMBOL(inet_frag_reasm_prepare); void inet_frag_reasm_finish(struct inet_frag_queue *q, struct sk_buff *head, void *reasm_data, bool try_coalesce) { - struct sock *sk = is_skb_wmem(head) ? head->sk : NULL; - const unsigned int head_truesize = head->truesize; struct sk_buff **nextp = (struct sk_buff **)reasm_data; struct rb_node *rbn; struct sk_buff *fp; @@ -582,9 +541,6 @@ void inet_frag_reasm_finish(struct inet_frag_queue *q, struct sk_buff *head, skb_mark_not_on_list(head); head->prev = NULL; head->tstamp = q->stamp; - - if (sk) - refcount_add(sum_truesize - head_truesize, &sk->sk_wmem_alloc); } EXPORT_SYMBOL(inet_frag_reasm_finish); diff --git a/net/ipv4/ip_fragment.c b/net/ipv4/ip_fragment.c index ec2264adf2a6..fad803d2d711 100644 --- a/net/ipv4/ip_fragment.c +++ b/net/ipv4/ip_fragment.c @@ -377,7 +377,6 @@ static int ip_frag_queue(struct ipq *qp, struct sk_buff *skb) } skb_dst_drop(skb); - skb_orphan(skb); return -EINPROGRESS; insert_error: @@ -480,6 +479,7 @@ int ip_defrag(struct net *net, struct sk_buff *skb, u32 user) struct ipq *qp; __IP_INC_STATS(net, IPSTATS_MIB_REASMREQDS); + skb_orphan(skb); /* Lookup (or create) queue header */ qp = ip_find(net, ip_hdr(skb), user, vif); diff --git a/net/ipv6/netfilter/nf_conntrack_reasm.c b/net/ipv6/netfilter/nf_conntrack_reasm.c index 8c2163f95711..c129ad334eb3 100644 --- a/net/ipv6/netfilter/nf_conntrack_reasm.c +++ b/net/ipv6/netfilter/nf_conntrack_reasm.c @@ -296,7 +296,6 @@ static int nf_ct_frag6_queue(struct frag_queue *fq, struct sk_buff *skb, } skb_dst_drop(skb); - skb_orphan(skb); return -EINPROGRESS; insert_error: @@ -472,6 +471,7 @@ int nf_ct_frag6_gather(struct net *net, struct sk_buff *skb, u32 user) hdr = ipv6_hdr(skb); fhdr = (struct frag_hdr *)skb_transport_header(skb); + skb_orphan(skb); fq = fq_find(net, fhdr->identification, user, hdr, skb->dev ? skb->dev->ifindex : 0); if (fq == NULL) { From 77867ef6d4d709b419d4c561575003a0c79058aa Mon Sep 17 00:00:00 2001 From: Greg Kroah-Hartman Date: Sun, 10 Nov 2024 08:09:14 +0000 Subject: [PATCH 611/649] Revert "cgroup: Move rcu_head up near the top of cgroup_root" This reverts commit 4abf1841680fa8142fdb07b71d34d1ace5fac0f7 which is commit a7fb0423c201ba12815877a0b5a68a6a1710b23a upstream. It breaks the Android kernel abi and can be brought back in the future in an abi-safe way if it is really needed. Bug: 161946584 Change-Id: I1561314f01cdd49442735838c4aae3e3da9232c6 Signed-off-by: Greg Kroah-Hartman --- include/linux/cgroup-defs.h | 8 ++++---- 1 file changed, 4 insertions(+), 4 deletions(-) diff --git a/include/linux/cgroup-defs.h b/include/linux/cgroup-defs.h index e25467473dcd..3251c321e935 100644 --- a/include/linux/cgroup-defs.h +++ b/include/linux/cgroup-defs.h @@ -508,10 +508,6 @@ struct cgroup_root { /* Unique id for this hierarchy. */ int hierarchy_id; - /* A list running through the active hierarchies */ - struct list_head root_list; - struct rcu_head rcu; /* Must be near the top */ - /* The root cgroup. Root is destroyed on its release. */ struct cgroup cgrp; @@ -521,6 +517,10 @@ struct cgroup_root { /* Number of cgroups in the hierarchy, used only for /proc/cgroups */ atomic_t nr_cgrps; + /* A list running through the active hierarchies */ + struct list_head root_list; + struct rcu_head rcu; + /* Hierarchy-specific flags */ unsigned int flags; From 246d613c2035468910e5687d8d1191130fdfbf5d Mon Sep 17 00:00:00 2001 From: Greg Kroah-Hartman Date: Sun, 10 Nov 2024 08:09:20 +0000 Subject: [PATCH 612/649] Revert "cgroup: Make operations on the cgroup root_list RCU safe" This reverts commit 45a81667e0e888de88ef0fe44215621fb0556aee which is commit d23b5c577715892c87533b13923306acc6243f93 upstream. It breaks the Android kernel abi and can be brought back in the future in an abi-safe way if it is really needed. Bug: 161946584 Change-Id: Ib735fb56a5adb6b0198eebc51b0f9737eaff944b Signed-off-by: Greg Kroah-Hartman --- include/linux/cgroup-defs.h | 1 - kernel/cgroup/cgroup-internal.h | 3 +-- kernel/cgroup/cgroup.c | 14 +++++++------- 3 files changed, 8 insertions(+), 10 deletions(-) diff --git a/include/linux/cgroup-defs.h b/include/linux/cgroup-defs.h index 3251c321e935..3ee42f15483b 100644 --- a/include/linux/cgroup-defs.h +++ b/include/linux/cgroup-defs.h @@ -519,7 +519,6 @@ struct cgroup_root { /* A list running through the active hierarchies */ struct list_head root_list; - struct rcu_head rcu; /* Hierarchy-specific flags */ unsigned int flags; diff --git a/kernel/cgroup/cgroup-internal.h b/kernel/cgroup/cgroup-internal.h index 91e9e3824380..4307a0904295 100644 --- a/kernel/cgroup/cgroup-internal.h +++ b/kernel/cgroup/cgroup-internal.h @@ -172,8 +172,7 @@ extern struct list_head cgroup_roots; /* iterate across the hierarchies */ #define for_each_root(root) \ - list_for_each_entry_rcu((root), &cgroup_roots, root_list, \ - lockdep_is_held(&cgroup_mutex)) + list_for_each_entry((root), &cgroup_roots, root_list) /** * for_each_subsys - iterate all enabled cgroup subsystems diff --git a/kernel/cgroup/cgroup.c b/kernel/cgroup/cgroup.c index 1be85e76a71a..1834b7d2e268 100644 --- a/kernel/cgroup/cgroup.c +++ b/kernel/cgroup/cgroup.c @@ -1328,7 +1328,7 @@ static void cgroup_exit_root_id(struct cgroup_root *root) void cgroup_free_root(struct cgroup_root *root) { - kfree_rcu(root, rcu); + kfree(root); } static void cgroup_destroy_root(struct cgroup_root *root) @@ -1361,7 +1361,7 @@ static void cgroup_destroy_root(struct cgroup_root *root) spin_unlock_irq(&css_set_lock); if (!list_empty(&root->root_list)) { - list_del_rcu(&root->root_list); + list_del(&root->root_list); cgroup_root_count--; } @@ -1406,6 +1406,7 @@ current_cgns_cgroup_from_root(struct cgroup_root *root) } rcu_read_unlock(); + BUG_ON(!res); return res; } @@ -1415,6 +1416,7 @@ static struct cgroup *cset_cgroup_from_root(struct css_set *cset, { struct cgroup *res = NULL; + lockdep_assert_held(&cgroup_mutex); lockdep_assert_held(&css_set_lock); if (cset == &init_css_set) { @@ -1440,9 +1442,7 @@ static struct cgroup *cset_cgroup_from_root(struct css_set *cset, /* * Return the cgroup for "task" from the given hierarchy. Must be - * called with css_set_lock held to prevent task's groups from being modified. - * Must be called with either cgroup_mutex or rcu read lock to prevent the - * cgroup root from being destroyed. + * called with cgroup_mutex and css_set_lock held. */ struct cgroup *task_cgroup_from_root(struct task_struct *task, struct cgroup_root *root) @@ -1974,7 +1974,7 @@ void init_cgroup_root(struct cgroup_fs_context *ctx) struct cgroup_root *root = ctx->root; struct cgroup *cgrp = &root->cgrp; - INIT_LIST_HEAD_RCU(&root->root_list); + INIT_LIST_HEAD(&root->root_list); atomic_set(&root->nr_cgrps, 1); cgrp->root = root; init_cgroup_housekeeping(cgrp); @@ -2052,7 +2052,7 @@ int cgroup_setup_root(struct cgroup_root *root, u16 ss_mask) * care of subsystems' refcounts, which are explicitly dropped in * the failure exit path. */ - list_add_rcu(&root->root_list, &cgroup_roots); + list_add(&root->root_list, &cgroup_roots); cgroup_root_count++; /* From 9c428fa3282564c11e5c6b759b6ac45fccf7d109 Mon Sep 17 00:00:00 2001 From: Greg Kroah-Hartman Date: Sun, 10 Nov 2024 08:15:31 +0000 Subject: [PATCH 613/649] Revert "hwmon: (max16065) Fix alarm attributes" This reverts commit d7a7dd2966d5fad65379c6a721ce0a63d3960924 which is commit 119abf7d1815f098f7f91ae7abc84324a19943d7 upstream. It breaks the Android kernel abi and can be brought back in the future in an abi-safe way if it is really needed. Bug: 161946584 Change-Id: I8630a6c46b19589150df1ee35a6b1b00d5105984 Signed-off-by: Greg Kroah-Hartman --- drivers/hwmon/max16065.c | 12 ++---------- 1 file changed, 2 insertions(+), 10 deletions(-) diff --git a/drivers/hwmon/max16065.c b/drivers/hwmon/max16065.c index b4c519e52fff..072f22f85dc0 100644 --- a/drivers/hwmon/max16065.c +++ b/drivers/hwmon/max16065.c @@ -79,7 +79,7 @@ static const bool max16065_have_current[] = { }; struct max16065_data { - enum chips chip; + enum chips type; struct i2c_client *client; const struct attribute_group *groups[4]; struct mutex update_lock; @@ -162,17 +162,10 @@ static struct max16065_data *max16065_update_device(struct device *dev) MAX16065_CURR_SENSE); } - for (i = 0; i < 2; i++) + for (i = 0; i < DIV_ROUND_UP(data->num_adc, 8); i++) data->fault[i] = i2c_smbus_read_byte_data(client, MAX16065_FAULT(i)); - /* - * MAX16067 and MAX16068 have separate undervoltage and - * overvoltage alarm bits. Squash them together. - */ - if (data->chip == max16067 || data->chip == max16068) - data->fault[0] |= data->fault[1]; - data->last_updated = jiffies; data->valid = 1; } @@ -521,7 +514,6 @@ static int max16065_probe(struct i2c_client *client) if (unlikely(!data)) return -ENOMEM; - data->chip = chip; data->client = client; mutex_init(&data->update_lock); From a99e4337ab830ed51282dfc7981e9cf32c50a0f9 Mon Sep 17 00:00:00 2001 From: Greg Kroah-Hartman Date: Sun, 10 Nov 2024 08:15:36 +0000 Subject: [PATCH 614/649] Revert "hwmon: (max16065) Remove use of i2c_match_id()" This reverts commit 932559f25a7ce30940db36332217f55f382c2bd0 which is commit 5a71654b398e3471f0169c266a3587cf09e1200c upstream. It breaks the Android kernel abi and can be brought back in the future in an abi-safe way if it is really needed. Bug: 161946584 Change-Id: Ib7eb0b28a9f4270f583417865037771c8cfa050c Signed-off-by: Greg Kroah-Hartman --- drivers/hwmon/max16065.c | 10 ++++++---- 1 file changed, 6 insertions(+), 4 deletions(-) diff --git a/drivers/hwmon/max16065.c b/drivers/hwmon/max16065.c index 072f22f85dc0..6a09ab606fcb 100644 --- a/drivers/hwmon/max16065.c +++ b/drivers/hwmon/max16065.c @@ -494,6 +494,8 @@ static const struct attribute_group max16065_max_group = { .is_visible = max16065_secondary_is_visible, }; +static const struct i2c_device_id max16065_id[]; + static int max16065_probe(struct i2c_client *client) { struct i2c_adapter *adapter = client->adapter; @@ -504,7 +506,7 @@ static int max16065_probe(struct i2c_client *client) bool have_secondary; /* true if chip has secondary limits */ bool secondary_is_max = false; /* secondary limits reflect max */ int groups = 0; - enum chips chip = (uintptr_t)i2c_get_match_data(client); + const struct i2c_device_id *id = i2c_match_id(max16065_id, client); if (!i2c_check_functionality(adapter, I2C_FUNC_SMBUS_BYTE_DATA | I2C_FUNC_SMBUS_READ_WORD_DATA)) @@ -517,9 +519,9 @@ static int max16065_probe(struct i2c_client *client) data->client = client; mutex_init(&data->update_lock); - data->num_adc = max16065_num_adc[chip]; - data->have_current = max16065_have_current[chip]; - have_secondary = max16065_have_secondary[chip]; + data->num_adc = max16065_num_adc[id->driver_data]; + data->have_current = max16065_have_current[id->driver_data]; + have_secondary = max16065_have_secondary[id->driver_data]; if (have_secondary) { val = i2c_smbus_read_byte_data(client, MAX16065_SW_ENABLE); From 47d930c2c7d508e5464a7ee5015f387393f0d359 Mon Sep 17 00:00:00 2001 From: Greg Kroah-Hartman Date: Sun, 10 Nov 2024 08:15:41 +0000 Subject: [PATCH 615/649] Revert "i2c: Add i2c_get_match_data()" This reverts commit 514a1508c3fe3e77bbf625e61439f2650aedde4a which is commit 564d73c4d9201526bd976b9379d2aaf1a7133e84 upstream. It breaks the Android kernel abi and can be brought back in the future in an abi-safe way if it is really needed. Bug: 161946584 Change-Id: I127ac41f68d2ba04f0955272f8b38d9fb67b12c2 Signed-off-by: Greg Kroah-Hartman --- drivers/i2c/i2c-core-base.c | 19 ------------------- include/linux/i2c.h | 2 -- 2 files changed, 21 deletions(-) diff --git a/drivers/i2c/i2c-core-base.c b/drivers/i2c/i2c-core-base.c index ef6d52a38b5c..6fac638e423a 100644 --- a/drivers/i2c/i2c-core-base.c +++ b/drivers/i2c/i2c-core-base.c @@ -92,25 +92,6 @@ const struct i2c_device_id *i2c_match_id(const struct i2c_device_id *id, } EXPORT_SYMBOL_GPL(i2c_match_id); -const void *i2c_get_match_data(const struct i2c_client *client) -{ - struct i2c_driver *driver = to_i2c_driver(client->dev.driver); - const struct i2c_device_id *match; - const void *data; - - data = device_get_match_data(&client->dev); - if (!data) { - match = i2c_match_id(driver->id_table, client); - if (!match) - return NULL; - - data = (const void *)match->driver_data; - } - - return data; -} -EXPORT_SYMBOL(i2c_get_match_data); - static int i2c_device_match(struct device *dev, struct device_driver *drv) { struct i2c_client *client = i2c_verify_client(dev); diff --git a/include/linux/i2c.h b/include/linux/i2c.h index 63476bcf955d..6cfb530b3d43 100644 --- a/include/linux/i2c.h +++ b/include/linux/i2c.h @@ -342,8 +342,6 @@ struct i2c_adapter *i2c_verify_adapter(struct device *dev); const struct i2c_device_id *i2c_match_id(const struct i2c_device_id *id, const struct i2c_client *client); -const void *i2c_get_match_data(const struct i2c_client *client); - static inline struct i2c_client *kobj_to_i2c_client(struct kobject *kobj) { struct device * const dev = kobj_to_dev(kobj); From da5751e56b2a45dddc6448fd424ad6e45d003b9d Mon Sep 17 00:00:00 2001 From: Greg Kroah-Hartman Date: Sun, 10 Nov 2024 08:15:46 +0000 Subject: [PATCH 616/649] Revert "device property: Add const qualifier to device_get_match_data() parameter" This reverts commit 167e4371ef929e679e7e5568cff0ff05ce1f57b9 which is commit aade55c86033bee868a93e4bf3843c9c99e84526 upstream. It breaks the Android kernel abi and can be brought back in the future in an abi-safe way if it is really needed. Bug: 161946584 Change-Id: Ibe2a0a95fe742a59be4c97fab2bdf3833cdb64f0 Signed-off-by: Greg Kroah-Hartman --- drivers/base/property.c | 4 ++-- include/linux/property.h | 4 ++-- 2 files changed, 4 insertions(+), 4 deletions(-) diff --git a/drivers/base/property.c b/drivers/base/property.c index 9b28f8233ef2..55c4a9270b13 100644 --- a/drivers/base/property.c +++ b/drivers/base/property.c @@ -18,7 +18,7 @@ #include #include -struct fwnode_handle *dev_fwnode(const struct device *dev) +struct fwnode_handle *dev_fwnode(struct device *dev) { return IS_ENABLED(CONFIG_OF) && dev->of_node ? &dev->of_node->fwnode : dev->fwnode; @@ -1231,7 +1231,7 @@ int fwnode_graph_parse_endpoint(const struct fwnode_handle *fwnode, } EXPORT_SYMBOL(fwnode_graph_parse_endpoint); -const void *device_get_match_data(const struct device *dev) +const void *device_get_match_data(struct device *dev) { return fwnode_call_ptr_op(dev_fwnode(dev), device_get_match_data, dev); } diff --git a/include/linux/property.h b/include/linux/property.h index 3792d10de115..7d4bda43a91a 100644 --- a/include/linux/property.h +++ b/include/linux/property.h @@ -31,7 +31,7 @@ enum dev_dma_attr { DEV_DMA_COHERENT, }; -struct fwnode_handle *dev_fwnode(const struct device *dev); +struct fwnode_handle *dev_fwnode(struct device *dev); bool device_property_present(struct device *dev, const char *propname); int device_property_read_u8_array(struct device *dev, const char *propname, @@ -382,7 +382,7 @@ bool device_dma_supported(struct device *dev); enum dev_dma_attr device_get_dma_attr(struct device *dev); -const void *device_get_match_data(const struct device *dev); +const void *device_get_match_data(struct device *dev); int device_get_phy_mode(struct device *dev); From ee2e0e624b3958f48d3bdeabeda5396444f9e5ec Mon Sep 17 00:00:00 2001 From: Chao Yu Date: Mon, 6 May 2024 18:41:36 +0800 Subject: [PATCH 617/649] BACKPORT: f2fs: compress: fix to update i_compr_blocks correctly Previously, we account reserved blocks and compressed blocks into @compr_blocks, then, f2fs_i_compr_blocks_update(,compr_blocks) will update i_compr_blocks incorrectly, fix it. Meanwhile, for the case all blocks in cluster were reserved, fix to update dn->ofs_in_node correctly. Bug: 378001005 Fixes: eb8fbaa53374 ("f2fs: compress: fix to check unreleased compressed cluster") Change-Id: Ie195fc57a1d55ff9f42fe4855edd21da1c88bb90 Signed-off-by: Chao Yu Signed-off-by: Jaegeuk Kim (cherry picked from commit 186e7d71534df4589405925caca5597af7626c12) --- fs/f2fs/file.c | 20 +++++++++++++------- 1 file changed, 13 insertions(+), 7 deletions(-) diff --git a/fs/f2fs/file.c b/fs/f2fs/file.c index e26be0b92281..37f04ac3a82d 100644 --- a/fs/f2fs/file.c +++ b/fs/f2fs/file.c @@ -3663,7 +3663,8 @@ static int reserve_compress_blocks(struct dnode_of_data *dn, pgoff_t count) while (count) { int compr_blocks = 0; - blkcnt_t reserved; + blkcnt_t reserved = 0; + blkcnt_t to_reserved; int ret; for (i = 0; i < cluster_size; i++, dn->ofs_in_node++) { @@ -3681,8 +3682,11 @@ static int reserve_compress_blocks(struct dnode_of_data *dn, pgoff_t count) * fails in release_compress_blocks(), so NEW_ADDR * is a possible case. */ - if (blkaddr == NEW_ADDR || - __is_valid_data_blkaddr(blkaddr)) { + if (blkaddr == NEW_ADDR) { + reserved++; + continue; + } + if (__is_valid_data_blkaddr(blkaddr)) { compr_blocks++; continue; } @@ -3691,13 +3695,15 @@ static int reserve_compress_blocks(struct dnode_of_data *dn, pgoff_t count) f2fs_set_data_blkaddr(dn); } - reserved = cluster_size - compr_blocks; + to_reserved = cluster_size - compr_blocks - reserved; /* for the case all blocks in cluster were reserved */ - if (reserved == 1) + if (to_reserved == 1) { + dn->ofs_in_node += cluster_size; goto next; + } - ret = inc_valid_block_count(sbi, dn->inode, &reserved); + ret = inc_valid_block_count(sbi, dn->inode, &to_reserved); if (ret) return ret; @@ -3706,7 +3712,7 @@ static int reserve_compress_blocks(struct dnode_of_data *dn, pgoff_t count) f2fs_i_compr_blocks_update(dn->inode, compr_blocks, true); - reserved_blocks += reserved; + reserved_blocks += to_reserved; next: count -= cluster_size; } From e733b347fbf8a8a5149461d848bf4e726141afaf Mon Sep 17 00:00:00 2001 From: Aravindh Senthilkumar Date: Tue, 12 Nov 2024 14:53:55 +0530 Subject: [PATCH 618/649] ANDROID: GKI: Update symbols to symbol list Leaf changes summary: 2 artifacts changed Changed leaf types summary: 0 leaf type changed Removed/Changed/Added functions summary: 0 Removed, 0 Changed, 0 Added function Removed/Changed/Added variables summary: 0 Removed, 0 Changed, 2 Added variables 2 Added variables: [A] 'idr usb_bus_idr' [A] 'mutex usb_bus_idr_lock' Bug: 378624712 Change-Id: I46c569893e3e35b79e96aed10eaa6ce5d6ffd335 Signed-off-by: Aravindh Senthilkumar --- android/abi_gki_aarch64.xml | 2937 ++++++++++++++++----------------- android/abi_gki_aarch64_zebra | 2 + 2 files changed, 1427 insertions(+), 1512 deletions(-) diff --git a/android/abi_gki_aarch64.xml b/android/abi_gki_aarch64.xml index 7e2f51dd4baf..c0f2f2ce257f 100644 --- a/android/abi_gki_aarch64.xml +++ b/android/abi_gki_aarch64.xml @@ -7205,6 +7205,8 @@ + + @@ -15665,89 +15667,6 @@ - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - @@ -22762,7 +22681,7 @@ - + @@ -25759,66 +25678,66 @@ - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + @@ -26807,27 +26726,27 @@ - + - + - + - + - + - + - + - + @@ -28192,21 +28111,21 @@ - + - + - + - + - + - + @@ -35026,24 +34945,24 @@ - + - + - + - + - + - + - + @@ -47347,21 +47266,21 @@ - + - + - + - + - + - + @@ -69214,14 +69133,7 @@ - - - - - - - - + @@ -90613,711 +90525,711 @@ - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + @@ -94617,7 +94529,6 @@ - @@ -117612,9 +117523,9 @@ - - - + + + @@ -117704,10 +117615,10 @@ - - - - + + + + @@ -117826,21 +117737,21 @@ - - - - + + + + - - - - + + + + - - - + + + @@ -117958,8 +117869,8 @@ - - + + @@ -118077,9 +117988,9 @@ - - - + + + @@ -118182,9 +118093,9 @@ - - - + + + @@ -118209,13 +118120,13 @@ - - - - - - - + + + + + + + @@ -118748,8 +118659,8 @@ - - + + @@ -118788,10 +118699,10 @@ - - - - + + + + @@ -123314,45 +123225,45 @@ - - - + + + - - - - - - - - - - - - - - - - - - - - - - - - - + - - - + + + + + + + + + + + + + + + + + + + + + + + + + + + @@ -123514,10 +123425,10 @@ - - - - + + + + @@ -123581,9 +123492,9 @@ - - - + + + @@ -123868,8 +123779,8 @@ - - + + @@ -124797,15 +124708,15 @@ - - - + + + - - - - + + + + @@ -124949,8 +124860,8 @@ - - + + @@ -125352,10 +125263,10 @@ - - - - + + + + @@ -125415,8 +125326,8 @@ - - + + @@ -125977,8 +125888,8 @@ - - + + @@ -126272,9 +126183,9 @@ - - - + + + @@ -126806,8 +126717,8 @@ - - + + @@ -126914,10 +126825,10 @@ - - - - + + + + @@ -127114,11 +127025,11 @@ - - - - - + + + + + @@ -127210,14 +127121,14 @@ - - + + - - - - + + + + @@ -127587,17 +127498,17 @@ - - - - + + + + - - - - + + + + @@ -127616,9 +127527,9 @@ - - - + + + @@ -127636,11 +127547,11 @@ - - - - - + + + + + @@ -127745,8 +127656,8 @@ - - + + @@ -127755,9 +127666,9 @@ - - - + + + @@ -127768,54 +127679,54 @@ - - - - - - + + + + + + - - - + + + - - - + + + - - - - - - - + + + + + + + - - + + - - - + + + - - - - + + + + - - - - + + + + @@ -127855,38 +127766,38 @@ - - + + - - - - + + + + - - + + - - - + + + - - - + + + - - - + + + - - - + + + @@ -127932,42 +127843,42 @@ - - + + - - - + + + - - - + + + - - - + + + - - - + + + - - - + + + - - - + + + @@ -127980,34 +127891,34 @@ - - - - + + + + - - - - + + + + - - - - - + + + + + - - - - - + + + + + - - + + @@ -128018,10 +127929,10 @@ - - - - + + + + @@ -128136,19 +128047,19 @@ - - - + + + - - - + + + - - - + + + @@ -128190,9 +128101,9 @@ - - - + + + @@ -128223,10 +128134,10 @@ - - - - + + + + @@ -128385,55 +128296,55 @@ - - - - + + + + - - - + + + - - - - + + + + - - - - - + + + + + - - - - - + + + + + - - - - + + + + - - - - + + + + - - - - - + + + + + @@ -128448,15 +128359,15 @@ - - - - + + + + - - - + + + @@ -128586,17 +128497,17 @@ - - - - + + + + - - - - - + + + + + @@ -128726,10 +128637,10 @@ - - - - + + + + @@ -129611,131 +129522,131 @@ - - + + - - - + + + - - - + + + - - - - + + + + - - + + - - - + + + - - + + - - - - + + + + - - - - + + + + - - - + + + - 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- - - - - + + + + + + - - - + + + - - + + @@ -135357,16 +135268,16 @@ - - - + + + - - - - - + + + + + @@ -135455,10 +135366,10 @@ - - - - + + + + @@ -135480,18 +135391,18 @@ - - + + - - - - + + + + @@ -135499,12 +135410,12 @@ - - + + - - + + @@ -135512,10 +135423,10 @@ - - - - + + + + @@ -135555,20 +135466,20 @@ - - - - - - + + + + + + - - + + - - + + @@ -135577,24 +135488,24 @@ - - - + + + - - - + + + - - - - + + + + - - + + @@ -135655,8 +135566,8 @@ - - + + @@ -135700,11 +135611,11 @@ - + - - + + @@ -136045,8 +135956,8 @@ - - + + @@ -136443,22 +136354,22 @@ - - - - - + + + + + - - - - + + + + - - - + + + @@ -136565,7 +136476,7 @@ - + @@ -136610,9 +136521,9 @@ - - - + + + @@ -136689,12 +136600,12 @@ - - + + - - + + @@ -136703,8 +136614,8 @@ - - + + @@ -136854,15 +136765,15 @@ - - - + + + - - - - + + + + @@ -136895,14 +136806,14 @@ - - - - + + + + - - + + @@ -137232,14 +137143,14 @@ - - - - + + + + - - + + @@ -137707,8 +137618,8 @@ - - + + @@ -137746,7 +137657,7 @@ - + @@ -137895,11 +137806,11 @@ - - - - - + + + + + @@ -138493,12 +138404,12 @@ - - - - - - + + + + + + @@ -138676,9 +138587,9 @@ - - - + + + @@ -138797,11 +138708,11 @@ - - - - - + + + + + @@ -138826,8 +138737,8 @@ - - + + @@ -138837,12 +138748,12 @@ - - + + - - + + @@ -139552,14 +139463,14 @@ - - - + + + - - - + + + @@ -139568,10 +139479,10 @@ - - - - + + + + @@ -140198,8 +140109,8 @@ - - + + @@ -140233,8 +140144,8 @@ - - + + @@ -140585,8 +140496,8 @@ - - + + @@ -140607,9 +140518,9 @@ - - - + + + @@ -140697,11 +140608,11 @@ - - - - - + + + + + @@ -140723,17 +140634,17 @@ - - + + - - + + - - - + + + @@ -140817,12 +140728,12 @@ - - - - - - + + + + + + @@ -140866,20 +140777,20 @@ - - - - + + + + - - - - + + + + - - + + @@ -140888,15 +140799,15 @@ - - - - - - - - - + + + + + + + + + @@ -141418,8 +141329,8 @@ - - + + @@ -141497,10 +141408,10 @@ - - - - + + + + @@ -141517,8 +141428,8 @@ - - + + @@ -142012,10 +141923,10 @@ - + - + @@ -142248,8 +142159,8 @@ - - + + @@ -142281,8 +142192,8 @@ - - + + @@ -142796,13 +142707,13 @@ - - - + + + - - + + @@ -143519,7 +143430,7 @@ - + @@ -143773,24 +143684,24 @@ - - + + - - + + - - + + - - + + - - + + @@ -143802,9 +143713,9 @@ - - - + + + @@ -143812,9 +143723,9 @@ - - - + + + @@ -143835,10 +143746,10 @@ - - - - + + + + @@ -144008,86 +143919,86 @@ - - + + - - + + - - - + + + - - - + + + - - - + + + - - - - + + + + - - - - + + + + - - + + - - + + - - + + - - - - + + + + - - + + - - + + - - + + - - + + - - + + - - + + - - - + + + @@ -144886,9 +144797,9 @@ - - - + + + @@ -144918,9 +144829,9 @@ - - - + + + @@ -144928,9 +144839,9 @@ - - - + + + @@ -145159,10 +145070,10 @@ - - - - + + + + @@ -146262,19 +146173,19 @@ - - - + + + - - - + + + - - - + + + @@ -146282,14 +146193,14 @@ - - - + + + - - - + + + @@ -146297,9 +146208,9 @@ - - - + + + @@ -146312,9 +146223,9 @@ - - - + + + @@ -146643,16 +146554,16 @@ - - - - - + + + + + - - - + + + @@ -147583,7 +147494,7 @@ - + @@ -147594,8 +147505,8 @@ - - + + @@ -147762,8 +147673,8 @@ - - + + @@ -147860,10 +147771,10 @@ - - - - + + + + @@ -147910,9 +147821,9 @@ - - - + + + @@ -147923,8 +147834,8 @@ - - + + @@ -147941,8 +147852,8 @@ - - + + @@ -148681,21 +148592,21 @@ - - - + + + - - - + + + - - - - - + + + + + @@ -148711,71 +148622,71 @@ - - + + - - - + + + - - - + + + - - - - - - + + + + + + - - - - - - + + + + + + - - + + - - - + + + - - - + + + - - - - - - - + + + + + + + - - - + + + - - - + + + - - + + @@ -148788,9 +148699,9 @@ - - - + + + @@ -148838,32 +148749,32 @@ - - - + + + - - - + + + - - - + + + - - + + - - - + + + - - + + @@ -148871,19 +148782,19 @@ - - - - - + + + + + - - - - - - + + + + + + @@ -148893,17 +148804,17 @@ - - + + - - + + - - - + + + @@ -148916,12 +148827,12 @@ - - + + - - + + @@ -148929,12 +148840,12 @@ - - + + - - + + @@ -149029,39 +148940,39 @@ - - - + + + - - + + - - + + - - + + - - + + - - + + - - + + - - - - + + + + @@ -149076,8 +148987,8 @@ - - + + @@ -149219,8 +149130,8 @@ - - + + @@ -149270,13 +149181,13 @@ - - + + - - - + + + @@ -149378,6 +149289,8 @@ + + @@ -149445,8 +149358,8 @@ - - + + @@ -149493,9 +149406,9 @@ - - - + + + @@ -149503,44 +149416,44 @@ - - + + - - - + + + - - + + - - + + - - + + - - - + + + - - - - + + + + - - + + @@ -149584,80 +149497,80 @@ - - + + - - + + - - - + + + - - - - + + + + - - - - + + + + - - + + - - + + - - - + + + - - - + + + - - - - + + + + - - - - + + + + - - + + - - + + - - + + - - - + + + - - + + @@ -149680,7 +149593,7 @@ - + @@ -149800,10 +149713,10 @@ - - - - + + + + @@ -150014,9 +149927,9 @@ - - - + + + @@ -150054,18 +149967,18 @@ - - - + + + - - - + + + - - + + @@ -150073,147 +149986,147 @@ - - - + + + - - - + + + - - + + - - - + + + - - + + - - - + + + - - - - + + + + - - + + - - + + - - - + + + - - - - - - - - + + + + + + + + - - - - - - - - + + + + + + + + - - + + - - - + + + - - - + + + - - - + + + - - - + + + - - + + - - - + + + - - - + + + - - + + - - + + - - - - - - - - + + + + + + + + - - - - - - - - + + + + + + + + - - - - - - - - + + + + + + + + @@ -151121,16 +151034,16 @@ - - - - + + + + - - - - + + + + @@ -151759,12 +151672,12 @@ - - + + - - + + @@ -151936,47 +151849,47 @@ - - + + - + - - - - + + + + - - + + - - + + - - - - + + + + - - - - + + + + - - + + - - - - + + + + @@ -152016,9 +151929,9 @@ - - - + + + @@ -152067,9 +151980,9 @@ - - - + + + @@ -152091,9 +152004,9 @@ - - - + + + @@ -152168,8 +152081,8 @@ - - + + diff --git a/android/abi_gki_aarch64_zebra b/android/abi_gki_aarch64_zebra index 59367a252ab5..cc3b7d631be6 100644 --- a/android/abi_gki_aarch64_zebra +++ b/android/abi_gki_aarch64_zebra @@ -2,3 +2,5 @@ __traceiter_android_vh_wakeup_bypass __tracepoint_android_vh_wakeup_bypass tty_termios_hw_change + usb_bus_idr + usb_bus_idr_lock From c53240428e16eb91ea4893eaef9feddad8548e35 Mon Sep 17 00:00:00 2001 From: Greg Kroah-Hartman Date: Sat, 9 Nov 2024 12:06:09 +0000 Subject: [PATCH 619/649] Revert "clk: qcom: clk-rpmh: Fix overflow in BCM vote" This reverts commit 4445bc6e9f2bc9081dd4e1141da9893e6b562ef9 which is commit a4e5af27e6f6a8b0d14bc0d7eb04f4a6c7291586 upstream. It breaks the Android kernel build and can be brought back in the future if it is really needed. Bug: 161946584 Change-Id: I964efba1123a8e6c7342a5cda1920a65ad9f3364 Signed-off-by: Greg Kroah-Hartman --- drivers/clk/qcom/clk-rpmh.c | 2 -- 1 file changed, 2 deletions(-) diff --git a/drivers/clk/qcom/clk-rpmh.c b/drivers/clk/qcom/clk-rpmh.c index 6c7cce8e82f7..e2c669b08aff 100644 --- a/drivers/clk/qcom/clk-rpmh.c +++ b/drivers/clk/qcom/clk-rpmh.c @@ -270,8 +270,6 @@ static int clk_rpmh_bcm_send_cmd(struct clk_rpmh *c, bool enable) cmd_state = 0; } - cmd_state = min(cmd_state, BCM_TCS_CMD_VOTE_MASK); - if (c->last_sent_aggr_state != cmd_state) { cmd.addr = c->res_addr; cmd.data = BCM_TCS_CMD(1, enable, 0, cmd_state); From f46870ab3db77476af083173442717588f71461a Mon Sep 17 00:00:00 2001 From: Greg Kroah-Hartman Date: Sat, 16 Nov 2024 18:26:23 +0000 Subject: [PATCH 620/649] Revert "ext4: dax: fix overflowing extents beyond inode size when partially writing" This reverts commit f8a7c342326f which is commit dda898d7ffe85931f9cca6d702a51f33717c501e upstream. It breaks the Android kernel tests, and can be brought back in the future if it is really needed. Bug: 161946584 Change-Id: I8c5a06731ef7830612591c6f818ac69cf169d78a Signed-off-by: Greg Kroah-Hartman --- fs/ext4/file.c | 8 ++++---- 1 file changed, 4 insertions(+), 4 deletions(-) diff --git a/fs/ext4/file.c b/fs/ext4/file.c index b324e7eb5fae..2fd920f0ec1d 100644 --- a/fs/ext4/file.c +++ b/fs/ext4/file.c @@ -310,10 +310,10 @@ static ssize_t ext4_handle_inode_extension(struct inode *inode, loff_t offset, * Clean up the inode after DIO or DAX extending write has completed and the * inode size has been updated using ext4_handle_inode_extension(). */ -static void ext4_inode_extension_cleanup(struct inode *inode, bool need_trunc) +static void ext4_inode_extension_cleanup(struct inode *inode, ssize_t count) { lockdep_assert_held_write(&inode->i_rwsem); - if (need_trunc) { + if (count < 0) { ext4_truncate_failed_write(inode); /* * If the truncate operation failed early, then the inode may @@ -550,7 +550,7 @@ static ssize_t ext4_dio_write_iter(struct kiocb *iocb, struct iov_iter *from) * writeback of delalloc blocks. */ WARN_ON_ONCE(ret == -EIOCBQUEUED); - ext4_inode_extension_cleanup(inode, ret < 0); + ext4_inode_extension_cleanup(inode, ret); } out: @@ -634,7 +634,7 @@ ext4_dax_write_iter(struct kiocb *iocb, struct iov_iter *from) if (extend) { ret = ext4_handle_inode_extension(inode, offset, ret); - ext4_inode_extension_cleanup(inode, ret < (ssize_t)count); + ext4_inode_extension_cleanup(inode, ret); } out: inode_unlock(inode); From ce691439c0691d5ae01fbbd35529615d04da4716 Mon Sep 17 00:00:00 2001 From: Greg Kroah-Hartman Date: Sat, 16 Nov 2024 18:26:46 +0000 Subject: [PATCH 621/649] Revert "ext4: properly sync file size update after O_SYNC direct IO" This reverts commit dde4c1e1663b which is commit 91562895f8030cb9a0470b1db49de79346a69f91 upstream. It breaks the Android kernel tests, and can be brought back in the future if it is really needed. Bug: 161946584 Change-Id: Ia4acc78370c913f2c3691a68148db000f3034eaf Signed-off-by: Greg Kroah-Hartman --- fs/ext4/file.c | 157 ++++++++++++++++++++++++++++--------------------- 1 file changed, 90 insertions(+), 67 deletions(-) diff --git a/fs/ext4/file.c b/fs/ext4/file.c index 2fd920f0ec1d..d43983481ab7 100644 --- a/fs/ext4/file.c +++ b/fs/ext4/file.c @@ -282,38 +282,80 @@ static ssize_t ext4_buffered_write_iter(struct kiocb *iocb, } static ssize_t ext4_handle_inode_extension(struct inode *inode, loff_t offset, - ssize_t count) + ssize_t written, size_t count) { handle_t *handle; + bool truncate = false; + u8 blkbits = inode->i_blkbits; + ext4_lblk_t written_blk, end_blk; + int ret; - lockdep_assert_held_write(&inode->i_rwsem); - handle = ext4_journal_start(inode, EXT4_HT_INODE, 2); - if (IS_ERR(handle)) - return PTR_ERR(handle); + /* + * Note that EXT4_I(inode)->i_disksize can get extended up to + * inode->i_size while the I/O was running due to writeback of delalloc + * blocks. But, the code in ext4_iomap_alloc() is careful to use + * zeroed/unwritten extents if this is possible; thus we won't leave + * uninitialized blocks in a file even if we didn't succeed in writing + * as much as we intended. + */ + WARN_ON_ONCE(i_size_read(inode) < EXT4_I(inode)->i_disksize); + if (offset + count <= EXT4_I(inode)->i_disksize) { + /* + * We need to ensure that the inode is removed from the orphan + * list if it has been added prematurely, due to writeback of + * delalloc blocks. + */ + if (!list_empty(&EXT4_I(inode)->i_orphan) && inode->i_nlink) { + handle = ext4_journal_start(inode, EXT4_HT_INODE, 2); - if (ext4_update_inode_size(inode, offset + count)) { - int ret = ext4_mark_inode_dirty(handle, inode); - if (unlikely(ret)) { + if (IS_ERR(handle)) { + ext4_orphan_del(NULL, inode); + return PTR_ERR(handle); + } + + ext4_orphan_del(handle, inode); ext4_journal_stop(handle); - return ret; + } + + return written; + } + + if (written < 0) + goto truncate; + + handle = ext4_journal_start(inode, EXT4_HT_INODE, 2); + if (IS_ERR(handle)) { + written = PTR_ERR(handle); + goto truncate; + } + + if (ext4_update_inode_size(inode, offset + written)) { + ret = ext4_mark_inode_dirty(handle, inode); + if (unlikely(ret)) { + written = ret; + ext4_journal_stop(handle); + goto truncate; } } - if (inode->i_nlink) + /* + * We may need to truncate allocated but not written blocks beyond EOF. + */ + written_blk = ALIGN(offset + written, 1 << blkbits); + end_blk = ALIGN(offset + count, 1 << blkbits); + if (written_blk < end_blk && ext4_can_truncate(inode)) + truncate = true; + + /* + * Remove the inode from the orphan list if it has been extended and + * everything went OK. + */ + if (!truncate && inode->i_nlink) ext4_orphan_del(handle, inode); ext4_journal_stop(handle); - return count; -} - -/* - * Clean up the inode after DIO or DAX extending write has completed and the - * inode size has been updated using ext4_handle_inode_extension(). - */ -static void ext4_inode_extension_cleanup(struct inode *inode, ssize_t count) -{ - lockdep_assert_held_write(&inode->i_rwsem); - if (count < 0) { + if (truncate) { +truncate: ext4_truncate_failed_write(inode); /* * If the truncate operation failed early, then the inode may @@ -322,28 +364,9 @@ static void ext4_inode_extension_cleanup(struct inode *inode, ssize_t count) */ if (inode->i_nlink) ext4_orphan_del(NULL, inode); - return; } - /* - * If i_disksize got extended due to writeback of delalloc blocks while - * the DIO was running we could fail to cleanup the orphan list in - * ext4_handle_inode_extension(). Do it now. - */ - if (!list_empty(&EXT4_I(inode)->i_orphan) && inode->i_nlink) { - handle_t *handle = ext4_journal_start(inode, EXT4_HT_INODE, 2); - if (IS_ERR(handle)) { - /* - * The write has successfully completed. Not much to - * do with the error here so just cleanup the orphan - * list and hope for the best. - */ - ext4_orphan_del(NULL, inode); - return; - } - ext4_orphan_del(handle, inode); - ext4_journal_stop(handle); - } + return written; } static int ext4_dio_write_end_io(struct kiocb *iocb, ssize_t size, @@ -352,22 +375,31 @@ static int ext4_dio_write_end_io(struct kiocb *iocb, ssize_t size, loff_t pos = iocb->ki_pos; struct inode *inode = file_inode(iocb->ki_filp); - if (!error && size && flags & IOMAP_DIO_UNWRITTEN) - error = ext4_convert_unwritten_extents(NULL, inode, pos, size); if (error) return error; + + if (size && flags & IOMAP_DIO_UNWRITTEN) { + error = ext4_convert_unwritten_extents(NULL, inode, pos, size); + if (error < 0) + return error; + } /* - * Note that EXT4_I(inode)->i_disksize can get extended up to - * inode->i_size while the I/O was running due to writeback of delalloc - * blocks. But the code in ext4_iomap_alloc() is careful to use - * zeroed/unwritten extents if this is possible; thus we won't leave - * uninitialized blocks in a file even if we didn't succeed in writing - * as much as we intended. + * If we are extending the file, we have to update i_size here before + * page cache gets invalidated in iomap_dio_rw(). Otherwise racing + * buffered reads could zero out too much from page cache pages. Update + * of on-disk size will happen later in ext4_dio_write_iter() where + * we have enough information to also perform orphan list handling etc. + * Note that we perform all extending writes synchronously under + * i_rwsem held exclusively so i_size update is safe here in that case. + * If the write was not extending, we cannot see pos > i_size here + * because operations reducing i_size like truncate wait for all + * outstanding DIO before updating i_size. */ - WARN_ON_ONCE(i_size_read(inode) < READ_ONCE(EXT4_I(inode)->i_disksize)); - if (pos + size <= READ_ONCE(EXT4_I(inode)->i_disksize)) - return size; - return ext4_handle_inode_extension(inode, pos, size); + pos += size; + if (pos > i_size_read(inode)) + i_size_write(inode, pos); + + return 0; } static const struct iomap_dio_ops ext4_dio_write_ops = { @@ -542,16 +574,9 @@ static ssize_t ext4_dio_write_iter(struct kiocb *iocb, struct iov_iter *from) is_sync_kiocb(iocb) || unaligned_io || extend); if (ret == -ENOTBLK) ret = 0; - if (extend) { - /* - * We always perform extending DIO write synchronously so by - * now the IO is completed and ext4_handle_inode_extension() - * was called. Cleanup the inode in case of error or race with - * writeback of delalloc blocks. - */ - WARN_ON_ONCE(ret == -EIOCBQUEUED); - ext4_inode_extension_cleanup(inode, ret); - } + + if (extend) + ret = ext4_handle_inode_extension(inode, offset, ret, count); out: if (ilock_shared) @@ -632,10 +657,8 @@ ext4_dax_write_iter(struct kiocb *iocb, struct iov_iter *from) ret = dax_iomap_rw(iocb, from, &ext4_iomap_ops); - if (extend) { - ret = ext4_handle_inode_extension(inode, offset, ret); - ext4_inode_extension_cleanup(inode, ret); - } + if (extend) + ret = ext4_handle_inode_extension(inode, offset, ret, count); out: inode_unlock(inode); if (ret > 0) From 72535290399974513612e12bd43a44a410fe64ea Mon Sep 17 00:00:00 2001 From: Greg Kroah-Hartman Date: Sat, 9 Nov 2024 16:47:39 +0000 Subject: [PATCH 622/649] Revert "netfilter: fib: check correct rtable in vrf setups" This reverts commit 3502b1a297204d140f483916ecb3b9809e86c1ae which is commit 05ef7055debc804e8083737402127975e7244fc4 upstream. It breaks the Android kernel abi and can be brought back in the future in an abi-safe way if it is really needed. Bug: 161946584 Change-Id: I5cd8320012dc4a5e9f3257124af4b2ff1792bc40 Signed-off-by: Greg Kroah-Hartman --- net/ipv4/netfilter/nft_fib_ipv4.c | 4 +++- net/ipv6/netfilter/nft_fib_ipv6.c | 5 ++--- 2 files changed, 5 insertions(+), 4 deletions(-) diff --git a/net/ipv4/netfilter/nft_fib_ipv4.c b/net/ipv4/netfilter/nft_fib_ipv4.c index 273b64e3f2f9..0f6a58558bab 100644 --- a/net/ipv4/netfilter/nft_fib_ipv4.c +++ b/net/ipv4/netfilter/nft_fib_ipv4.c @@ -66,7 +66,6 @@ void nft_fib4_eval(const struct nft_expr *expr, struct nft_regs *regs, .flowi4_scope = RT_SCOPE_UNIVERSE, .flowi4_iif = LOOPBACK_IFINDEX, .flowi4_uid = sock_net_uid(nft_net(pkt), NULL), - .flowi4_l3mdev = l3mdev_master_ifindex_rcu(nft_in(pkt)), }; const struct net_device *oif; const struct net_device *found; @@ -85,6 +84,9 @@ void nft_fib4_eval(const struct nft_expr *expr, struct nft_regs *regs, else oif = NULL; + if (priv->flags & NFTA_FIB_F_IIF) + fl4.flowi4_l3mdev = l3mdev_master_ifindex_rcu(oif); + if (nft_hook(pkt) == NF_INET_PRE_ROUTING && nft_fib_is_loopback(pkt->skb, nft_in(pkt))) { nft_fib_store_result(dest, priv, nft_in(pkt)); diff --git a/net/ipv6/netfilter/nft_fib_ipv6.c b/net/ipv6/netfilter/nft_fib_ipv6.c index 1a08b00aa321..4239b8056b5b 100644 --- a/net/ipv6/netfilter/nft_fib_ipv6.c +++ b/net/ipv6/netfilter/nft_fib_ipv6.c @@ -37,6 +37,8 @@ static int nft_fib6_flowi_init(struct flowi6 *fl6, const struct nft_fib *priv, if (ipv6_addr_type(&fl6->daddr) & IPV6_ADDR_LINKLOCAL) { lookup_flags |= RT6_LOOKUP_F_IFACE; fl6->flowi6_oif = get_ifindex(dev ? dev : pkt->skb->dev); + } else if (priv->flags & NFTA_FIB_F_IIF) { + fl6->flowi6_l3mdev = l3mdev_master_ifindex_rcu(dev); } if (ipv6_addr_type(&fl6->saddr) & IPV6_ADDR_UNICAST) @@ -69,8 +71,6 @@ static u32 __nft_fib6_eval_type(const struct nft_fib *priv, else if (priv->flags & NFTA_FIB_F_OIF) dev = nft_out(pkt); - fl6.flowi6_l3mdev = l3mdev_master_ifindex_rcu(dev); - nft_fib6_flowi_init(&fl6, priv, pkt, dev, iph); if (dev && nf_ipv6_chk_addr(nft_net(pkt), &fl6.daddr, dev, true)) @@ -161,7 +161,6 @@ void nft_fib6_eval(const struct nft_expr *expr, struct nft_regs *regs, .flowi6_iif = LOOPBACK_IFINDEX, .flowi6_proto = pkt->tprot, .flowi6_uid = sock_net_uid(nft_net(pkt), NULL), - .flowi6_l3mdev = l3mdev_master_ifindex_rcu(nft_in(pkt)), }; struct rt6_info *rt; int lookup_flags; From 6fc602a28ce544e6f8cf2cfb7d04a8d13cbd892a Mon Sep 17 00:00:00 2001 From: Greg Kroah-Hartman Date: Sat, 9 Nov 2024 16:47:55 +0000 Subject: [PATCH 623/649] Revert "netfilter: rpfilter/fib: Set ->flowic_uid correctly for user namespaces." This reverts commit 037145e2a21465c4a1fcae546991f8036ea821b1 which is commit 1fcc064b305a1aadeff0d4bff961094d27660acd upstream. It breaks the Android kernel abi and can be brought back in the future in an abi-safe way if it is really needed. Bug: 161946584 Change-Id: If0e64467cafe9c0a5c8be91c38525358c798e968 Signed-off-by: Greg Kroah-Hartman --- net/ipv4/netfilter/ipt_rpfilter.c | 1 - net/ipv4/netfilter/nft_fib_ipv4.c | 1 - net/ipv6/netfilter/ip6t_rpfilter.c | 1 - net/ipv6/netfilter/nft_fib_ipv6.c | 2 -- 4 files changed, 5 deletions(-) diff --git a/net/ipv4/netfilter/ipt_rpfilter.c b/net/ipv4/netfilter/ipt_rpfilter.c index 26b3b0e2adcd..63f3e8219dd5 100644 --- a/net/ipv4/netfilter/ipt_rpfilter.c +++ b/net/ipv4/netfilter/ipt_rpfilter.c @@ -79,7 +79,6 @@ static bool rpfilter_mt(const struct sk_buff *skb, struct xt_action_param *par) flow.flowi4_tos = iph->tos & IPTOS_RT_MASK; flow.flowi4_scope = RT_SCOPE_UNIVERSE; flow.flowi4_l3mdev = l3mdev_master_ifindex_rcu(xt_in(par)); - flow.flowi4_uid = sock_net_uid(xt_net(par), NULL); return rpfilter_lookup_reverse(xt_net(par), &flow, xt_in(par), info->flags) ^ invert; } diff --git a/net/ipv4/netfilter/nft_fib_ipv4.c b/net/ipv4/netfilter/nft_fib_ipv4.c index 0f6a58558bab..22168f12b381 100644 --- a/net/ipv4/netfilter/nft_fib_ipv4.c +++ b/net/ipv4/netfilter/nft_fib_ipv4.c @@ -65,7 +65,6 @@ void nft_fib4_eval(const struct nft_expr *expr, struct nft_regs *regs, struct flowi4 fl4 = { .flowi4_scope = RT_SCOPE_UNIVERSE, .flowi4_iif = LOOPBACK_IFINDEX, - .flowi4_uid = sock_net_uid(nft_net(pkt), NULL), }; const struct net_device *oif; const struct net_device *found; diff --git a/net/ipv6/netfilter/ip6t_rpfilter.c b/net/ipv6/netfilter/ip6t_rpfilter.c index a01d9b842bd0..69d86b040a6a 100644 --- a/net/ipv6/netfilter/ip6t_rpfilter.c +++ b/net/ipv6/netfilter/ip6t_rpfilter.c @@ -40,7 +40,6 @@ static bool rpfilter_lookup_reverse6(struct net *net, const struct sk_buff *skb, .flowi6_l3mdev = l3mdev_master_ifindex_rcu(dev), .flowlabel = (* (__be32 *) iph) & IPV6_FLOWINFO_MASK, .flowi6_proto = iph->nexthdr, - .flowi6_uid = sock_net_uid(net, NULL), .daddr = iph->saddr, }; int lookup_flags; diff --git a/net/ipv6/netfilter/nft_fib_ipv6.c b/net/ipv6/netfilter/nft_fib_ipv6.c index 4239b8056b5b..72a9a04920ab 100644 --- a/net/ipv6/netfilter/nft_fib_ipv6.c +++ b/net/ipv6/netfilter/nft_fib_ipv6.c @@ -62,7 +62,6 @@ static u32 __nft_fib6_eval_type(const struct nft_fib *priv, struct flowi6 fl6 = { .flowi6_iif = LOOPBACK_IFINDEX, .flowi6_proto = pkt->tprot, - .flowi6_uid = sock_net_uid(nft_net(pkt), NULL), }; u32 ret = 0; @@ -160,7 +159,6 @@ void nft_fib6_eval(const struct nft_expr *expr, struct nft_regs *regs, struct flowi6 fl6 = { .flowi6_iif = LOOPBACK_IFINDEX, .flowi6_proto = pkt->tprot, - .flowi6_uid = sock_net_uid(nft_net(pkt), NULL), }; struct rt6_info *rt; int lookup_flags; From 5cb5d1575509f58d66b7d0399da5480dbabf9b64 Mon Sep 17 00:00:00 2001 From: Greg Kroah-Hartman Date: Sat, 9 Nov 2024 16:48:11 +0000 Subject: [PATCH 624/649] Revert "netfilter: rpfilter/fib: Populate flowic_l3mdev field" This reverts commit d98558fe26996baf2107169ecfea9e40973add3f which is commit acc641ab95b66b813c1ce856c377a2bbe71e7f52 upstream. It breaks the Android kernel abi and can be brought back in the future in an abi-safe way if it is really needed. Bug: 161946584 Change-Id: Id5c8d6759b996ff84343f011ed32aec76d8b7260 Signed-off-by: Greg Kroah-Hartman --- net/ipv4/netfilter/ipt_rpfilter.c | 2 +- net/ipv4/netfilter/nft_fib_ipv4.c | 2 +- net/ipv6/netfilter/ip6t_rpfilter.c | 5 +++-- net/ipv6/netfilter/nft_fib_ipv6.c | 5 +++-- 4 files changed, 8 insertions(+), 6 deletions(-) diff --git a/net/ipv4/netfilter/ipt_rpfilter.c b/net/ipv4/netfilter/ipt_rpfilter.c index 63f3e8219dd5..8cd3224d913e 100644 --- a/net/ipv4/netfilter/ipt_rpfilter.c +++ b/net/ipv4/netfilter/ipt_rpfilter.c @@ -78,7 +78,7 @@ static bool rpfilter_mt(const struct sk_buff *skb, struct xt_action_param *par) flow.flowi4_mark = info->flags & XT_RPFILTER_VALID_MARK ? skb->mark : 0; flow.flowi4_tos = iph->tos & IPTOS_RT_MASK; flow.flowi4_scope = RT_SCOPE_UNIVERSE; - flow.flowi4_l3mdev = l3mdev_master_ifindex_rcu(xt_in(par)); + flow.flowi4_oif = l3mdev_master_ifindex_rcu(xt_in(par)); return rpfilter_lookup_reverse(xt_net(par), &flow, xt_in(par), info->flags) ^ invert; } diff --git a/net/ipv4/netfilter/nft_fib_ipv4.c b/net/ipv4/netfilter/nft_fib_ipv4.c index 22168f12b381..9e6f0f1275e2 100644 --- a/net/ipv4/netfilter/nft_fib_ipv4.c +++ b/net/ipv4/netfilter/nft_fib_ipv4.c @@ -84,7 +84,7 @@ void nft_fib4_eval(const struct nft_expr *expr, struct nft_regs *regs, oif = NULL; if (priv->flags & NFTA_FIB_F_IIF) - fl4.flowi4_l3mdev = l3mdev_master_ifindex_rcu(oif); + fl4.flowi4_oif = l3mdev_master_ifindex_rcu(oif); if (nft_hook(pkt) == NF_INET_PRE_ROUTING && nft_fib_is_loopback(pkt->skb, nft_in(pkt))) { diff --git a/net/ipv6/netfilter/ip6t_rpfilter.c b/net/ipv6/netfilter/ip6t_rpfilter.c index 69d86b040a6a..f0a22aa9503a 100644 --- a/net/ipv6/netfilter/ip6t_rpfilter.c +++ b/net/ipv6/netfilter/ip6t_rpfilter.c @@ -37,7 +37,6 @@ static bool rpfilter_lookup_reverse6(struct net *net, const struct sk_buff *skb, bool ret = false; struct flowi6 fl6 = { .flowi6_iif = LOOPBACK_IFINDEX, - .flowi6_l3mdev = l3mdev_master_ifindex_rcu(dev), .flowlabel = (* (__be32 *) iph) & IPV6_FLOWINFO_MASK, .flowi6_proto = iph->nexthdr, .daddr = iph->saddr, @@ -56,7 +55,9 @@ static bool rpfilter_lookup_reverse6(struct net *net, const struct sk_buff *skb, if (rpfilter_addr_linklocal(&iph->saddr)) { lookup_flags |= RT6_LOOKUP_F_IFACE; fl6.flowi6_oif = dev->ifindex; - } else if ((flags & XT_RPFILTER_LOOSE) == 0) + /* Set flowi6_oif for vrf devices to lookup route in l3mdev domain. */ + } else if (netif_is_l3_master(dev) || netif_is_l3_slave(dev) || + (flags & XT_RPFILTER_LOOSE) == 0) fl6.flowi6_oif = dev->ifindex; rt = (void *)ip6_route_lookup(net, &fl6, skb, lookup_flags); diff --git a/net/ipv6/netfilter/nft_fib_ipv6.c b/net/ipv6/netfilter/nft_fib_ipv6.c index 72a9a04920ab..602743f6dcee 100644 --- a/net/ipv6/netfilter/nft_fib_ipv6.c +++ b/net/ipv6/netfilter/nft_fib_ipv6.c @@ -37,8 +37,9 @@ static int nft_fib6_flowi_init(struct flowi6 *fl6, const struct nft_fib *priv, if (ipv6_addr_type(&fl6->daddr) & IPV6_ADDR_LINKLOCAL) { lookup_flags |= RT6_LOOKUP_F_IFACE; fl6->flowi6_oif = get_ifindex(dev ? dev : pkt->skb->dev); - } else if (priv->flags & NFTA_FIB_F_IIF) { - fl6->flowi6_l3mdev = l3mdev_master_ifindex_rcu(dev); + } else if ((priv->flags & NFTA_FIB_F_IIF) && + (netif_is_l3_master(dev) || netif_is_l3_slave(dev))) { + fl6->flowi6_oif = dev->ifindex; } if (ipv6_addr_type(&fl6->saddr) & IPV6_ADDR_UNICAST) From 4098b691020077777fb3b81c37303c3f741f5fd5 Mon Sep 17 00:00:00 2001 From: Greg Kroah-Hartman Date: Sat, 9 Nov 2024 16:48:24 +0000 Subject: [PATCH 625/649] Revert "net: Add l3mdev index to flow struct and avoid oif reset for port devices" This reverts commit 740de198776681d4b49e22c8964041ce3a65cbb8 which is commit 40867d74c374b235e14d839f3a77f26684feefe5 upstream. It breaks the Android kernel abi and can be brought back in the future in an abi-safe way if it is really needed. Bug: 161946584 Change-Id: I338a2fc5a37732a8e54dfdadf37b360cd1881991 Signed-off-by: Greg Kroah-Hartman --- drivers/net/vrf.c | 7 ++-- include/net/flow.h | 6 +--- net/ipv4/fib_frontend.c | 7 ++-- net/ipv4/fib_semantics.c | 2 +- net/ipv4/fib_trie.c | 7 ++-- net/ipv4/route.c | 4 +-- net/ipv4/xfrm4_policy.c | 4 ++- net/ipv6/ip6_output.c | 3 +- net/ipv6/route.c | 12 +++++++ net/ipv6/xfrm6_policy.c | 3 +- net/l3mdev/l3mdev.c | 43 ++++++++++++++--------- tools/testing/selftests/net/fcnal-test.sh | 2 +- 12 files changed, 63 insertions(+), 37 deletions(-) diff --git a/drivers/net/vrf.c b/drivers/net/vrf.c index 13ad434643b8..8ab0b5a8dfef 100644 --- a/drivers/net/vrf.c +++ b/drivers/net/vrf.c @@ -470,13 +470,14 @@ static netdev_tx_t vrf_process_v6_outbound(struct sk_buff *skb, memset(&fl6, 0, sizeof(fl6)); /* needed to match OIF rule */ - fl6.flowi6_l3mdev = dev->ifindex; + fl6.flowi6_oif = dev->ifindex; fl6.flowi6_iif = LOOPBACK_IFINDEX; fl6.daddr = iph->daddr; fl6.saddr = iph->saddr; fl6.flowlabel = ip6_flowinfo(iph); fl6.flowi6_mark = skb->mark; fl6.flowi6_proto = iph->nexthdr; + fl6.flowi6_flags = FLOWI_FLAG_SKIP_NH_OIF; dst = ip6_dst_lookup_flow(net, NULL, &fl6, NULL); if (IS_ERR(dst) || dst == dst_null) @@ -549,10 +550,10 @@ static netdev_tx_t vrf_process_v4_outbound(struct sk_buff *skb, memset(&fl4, 0, sizeof(fl4)); /* needed to match OIF rule */ - fl4.flowi4_l3mdev = vrf_dev->ifindex; + fl4.flowi4_oif = vrf_dev->ifindex; fl4.flowi4_iif = LOOPBACK_IFINDEX; fl4.flowi4_tos = RT_TOS(ip4h->tos); - fl4.flowi4_flags = FLOWI_FLAG_ANYSRC; + fl4.flowi4_flags = FLOWI_FLAG_ANYSRC | FLOWI_FLAG_SKIP_NH_OIF; fl4.flowi4_proto = ip4h->protocol; fl4.daddr = ip4h->daddr; fl4.saddr = ip4h->saddr; diff --git a/include/net/flow.h b/include/net/flow.h index 1acce55a9b46..39d0cedcddee 100644 --- a/include/net/flow.h +++ b/include/net/flow.h @@ -29,7 +29,6 @@ struct flowi_tunnel { struct flowi_common { int flowic_oif; int flowic_iif; - int flowic_l3mdev; __u32 flowic_mark; __u8 flowic_tos; __u8 flowic_scope; @@ -37,6 +36,7 @@ struct flowi_common { __u8 flowic_flags; #define FLOWI_FLAG_ANYSRC 0x01 #define FLOWI_FLAG_KNOWN_NH 0x02 +#define FLOWI_FLAG_SKIP_NH_OIF 0x04 __u32 flowic_secid; kuid_t flowic_uid; struct flowi_tunnel flowic_tun_key; @@ -71,7 +71,6 @@ struct flowi4 { struct flowi_common __fl_common; #define flowi4_oif __fl_common.flowic_oif #define flowi4_iif __fl_common.flowic_iif -#define flowi4_l3mdev __fl_common.flowic_l3mdev #define flowi4_mark __fl_common.flowic_mark #define flowi4_tos __fl_common.flowic_tos #define flowi4_scope __fl_common.flowic_scope @@ -105,7 +104,6 @@ static inline void flowi4_init_output(struct flowi4 *fl4, int oif, { fl4->flowi4_oif = oif; fl4->flowi4_iif = LOOPBACK_IFINDEX; - fl4->flowi4_l3mdev = 0; fl4->flowi4_mark = mark; fl4->flowi4_tos = tos; fl4->flowi4_scope = scope; @@ -136,7 +134,6 @@ struct flowi6 { struct flowi_common __fl_common; #define flowi6_oif __fl_common.flowic_oif #define flowi6_iif __fl_common.flowic_iif -#define flowi6_l3mdev __fl_common.flowic_l3mdev #define flowi6_mark __fl_common.flowic_mark #define flowi6_scope __fl_common.flowic_scope #define flowi6_proto __fl_common.flowic_proto @@ -183,7 +180,6 @@ struct flowi { } u; #define flowi_oif u.__fl_common.flowic_oif #define flowi_iif u.__fl_common.flowic_iif -#define flowi_l3mdev u.__fl_common.flowic_l3mdev #define flowi_mark u.__fl_common.flowic_mark #define flowi_tos u.__fl_common.flowic_tos #define flowi_scope u.__fl_common.flowic_scope diff --git a/net/ipv4/fib_frontend.c b/net/ipv4/fib_frontend.c index 5e2a003cd83c..0394146f813c 100644 --- a/net/ipv4/fib_frontend.c +++ b/net/ipv4/fib_frontend.c @@ -290,7 +290,7 @@ __be32 fib_compute_spec_dst(struct sk_buff *skb) bool vmark = in_dev && IN_DEV_SRC_VMARK(in_dev); struct flowi4 fl4 = { .flowi4_iif = LOOPBACK_IFINDEX, - .flowi4_l3mdev = l3mdev_master_ifindex_rcu(dev), + .flowi4_oif = l3mdev_master_ifindex_rcu(dev), .daddr = ip_hdr(skb)->saddr, .flowi4_tos = ip_hdr(skb)->tos & IPTOS_RT_MASK, .flowi4_scope = scope, @@ -352,8 +352,9 @@ static int __fib_validate_source(struct sk_buff *skb, __be32 src, __be32 dst, bool dev_match; fl4.flowi4_oif = 0; - fl4.flowi4_l3mdev = l3mdev_master_ifindex_rcu(dev); - fl4.flowi4_iif = oif ? : LOOPBACK_IFINDEX; + fl4.flowi4_iif = l3mdev_master_ifindex_rcu(dev); + if (!fl4.flowi4_iif) + fl4.flowi4_iif = oif ? : LOOPBACK_IFINDEX; fl4.daddr = src; fl4.saddr = dst; fl4.flowi4_tos = tos; diff --git a/net/ipv4/fib_semantics.c b/net/ipv4/fib_semantics.c index ea17da3b9735..5f786cff2e41 100644 --- a/net/ipv4/fib_semantics.c +++ b/net/ipv4/fib_semantics.c @@ -2267,7 +2267,7 @@ void fib_select_multipath(struct fib_result *res, int hash) void fib_select_path(struct net *net, struct fib_result *res, struct flowi4 *fl4, const struct sk_buff *skb) { - if (fl4->flowi4_oif) + if (fl4->flowi4_oif && !(fl4->flowi4_flags & FLOWI_FLAG_SKIP_NH_OIF)) goto check_saddr; #ifdef CONFIG_IP_ROUTE_MULTIPATH diff --git a/net/ipv4/fib_trie.c b/net/ipv4/fib_trie.c index 0f0da157989e..456240d2adc1 100644 --- a/net/ipv4/fib_trie.c +++ b/net/ipv4/fib_trie.c @@ -1384,8 +1384,11 @@ bool fib_lookup_good_nhc(const struct fib_nh_common *nhc, int fib_flags, !(fib_flags & FIB_LOOKUP_IGNORE_LINKSTATE)) return false; - if (flp->flowi4_oif && flp->flowi4_oif != nhc->nhc_oif) - return false; + if (!(flp->flowi4_flags & FLOWI_FLAG_SKIP_NH_OIF)) { + if (flp->flowi4_oif && + flp->flowi4_oif != nhc->nhc_oif) + return false; + } return true; } diff --git a/net/ipv4/route.c b/net/ipv4/route.c index 18eef4417913..273177f5076d 100644 --- a/net/ipv4/route.c +++ b/net/ipv4/route.c @@ -2191,7 +2191,6 @@ static int ip_route_input_slow(struct sk_buff *skb, __be32 daddr, __be32 saddr, /* * Now we are ready to route packet. */ - fl4.flowi4_l3mdev = 0; fl4.flowi4_oif = 0; fl4.flowi4_iif = dev->ifindex; fl4.flowi4_mark = skb->mark; @@ -2664,7 +2663,8 @@ struct rtable *ip_route_output_key_hash_rcu(struct net *net, struct flowi4 *fl4, res->fi = NULL; res->table = NULL; if (fl4->flowi4_oif && - (ipv4_is_multicast(fl4->daddr) || !fl4->flowi4_l3mdev)) { + (ipv4_is_multicast(fl4->daddr) || + !netif_index_is_l3_master(net, fl4->flowi4_oif))) { /* Apparently, routing tables are wrong. Assume, that the destination is on link. diff --git a/net/ipv4/xfrm4_policy.c b/net/ipv4/xfrm4_policy.c index 4548a91acdc8..9ebd54752e03 100644 --- a/net/ipv4/xfrm4_policy.c +++ b/net/ipv4/xfrm4_policy.c @@ -28,11 +28,13 @@ static struct dst_entry *__xfrm4_dst_lookup(struct net *net, struct flowi4 *fl4, memset(fl4, 0, sizeof(*fl4)); fl4->daddr = daddr->a4; fl4->flowi4_tos = tos; - fl4->flowi4_l3mdev = l3mdev_master_ifindex_by_index(net, oif); + fl4->flowi4_oif = l3mdev_master_ifindex_by_index(net, oif); fl4->flowi4_mark = mark; if (saddr) fl4->saddr = saddr->a4; + fl4->flowi4_flags = FLOWI_FLAG_SKIP_NH_OIF; + rt = __ip_route_output_key(net, fl4); if (!IS_ERR(rt)) return &rt->dst; diff --git a/net/ipv6/ip6_output.c b/net/ipv6/ip6_output.c index 26d8105981e9..436733021b1e 100644 --- a/net/ipv6/ip6_output.c +++ b/net/ipv6/ip6_output.c @@ -1067,7 +1067,8 @@ static struct dst_entry *ip6_sk_dst_check(struct sock *sk, #ifdef CONFIG_IPV6_SUBTREES ip6_rt_check(&rt->rt6i_src, &fl6->saddr, np->saddr_cache) || #endif - (fl6->flowi6_oif && fl6->flowi6_oif != dst->dev->ifindex)) { + (!(fl6->flowi6_flags & FLOWI_FLAG_SKIP_NH_OIF) && + (fl6->flowi6_oif && fl6->flowi6_oif != dst->dev->ifindex))) { dst_release(dst); dst = NULL; } diff --git a/net/ipv6/route.c b/net/ipv6/route.c index 89aea829374e..b9b21f612a1f 100644 --- a/net/ipv6/route.c +++ b/net/ipv6/route.c @@ -1207,6 +1207,9 @@ INDIRECT_CALLABLE_SCOPE struct rt6_info *ip6_pol_route_lookup(struct net *net, struct fib6_node *fn; struct rt6_info *rt; + if (fl6->flowi6_flags & FLOWI_FLAG_SKIP_NH_OIF) + flags &= ~RT6_LOOKUP_F_IFACE; + rcu_read_lock(); fn = fib6_node_lookup(&table->tb6_root, &fl6->daddr, &fl6->saddr); restart: @@ -2180,6 +2183,9 @@ int fib6_table_lookup(struct net *net, struct fib6_table *table, int oif, fn = fib6_node_lookup(&table->tb6_root, &fl6->daddr, &fl6->saddr); saved_fn = fn; + if (fl6->flowi6_flags & FLOWI_FLAG_SKIP_NH_OIF) + oif = 0; + redo_rt6_select: rt6_select(net, fn, oif, res, strict); if (res->f6i == net->ipv6.fib6_null_entry) { @@ -2926,6 +2932,12 @@ INDIRECT_CALLABLE_SCOPE struct rt6_info *__ip6_route_redirect(struct net *net, struct fib6_info *rt; struct fib6_node *fn; + /* l3mdev_update_flow overrides oif if the device is enslaved; in + * this case we must match on the real ingress device, so reset it + */ + if (fl6->flowi6_flags & FLOWI_FLAG_SKIP_NH_OIF) + fl6->flowi6_oif = skb->dev->ifindex; + /* Get the "current" route for this destination and * check if the redirect has come from appropriate router. * diff --git a/net/ipv6/xfrm6_policy.c b/net/ipv6/xfrm6_policy.c index 492b9692c0dc..7c903e0e446c 100644 --- a/net/ipv6/xfrm6_policy.c +++ b/net/ipv6/xfrm6_policy.c @@ -33,7 +33,8 @@ static struct dst_entry *xfrm6_dst_lookup(struct net *net, int tos, int oif, int err; memset(&fl6, 0, sizeof(fl6)); - fl6.flowi6_l3mdev = l3mdev_master_ifindex_by_index(net, oif); + fl6.flowi6_oif = l3mdev_master_ifindex_by_index(net, oif); + fl6.flowi6_flags = FLOWI_FLAG_SKIP_NH_OIF; fl6.flowi6_mark = mark; memcpy(&fl6.daddr, daddr, sizeof(fl6.daddr)); if (saddr) diff --git a/net/l3mdev/l3mdev.c b/net/l3mdev/l3mdev.c index 42794581762c..f2c3a61ad134 100644 --- a/net/l3mdev/l3mdev.c +++ b/net/l3mdev/l3mdev.c @@ -249,19 +249,25 @@ int l3mdev_fib_rule_match(struct net *net, struct flowi *fl, struct net_device *dev; int rc = 0; - /* update flow ensures flowi_l3mdev is set when relevant */ - if (!fl->flowi_l3mdev) - return 0; - rcu_read_lock(); - dev = dev_get_by_index_rcu(net, fl->flowi_l3mdev); + dev = dev_get_by_index_rcu(net, fl->flowi_oif); if (dev && netif_is_l3_master(dev) && dev->l3mdev_ops->l3mdev_fib_table) { arg->table = dev->l3mdev_ops->l3mdev_fib_table(dev); rc = 1; + goto out; } + dev = dev_get_by_index_rcu(net, fl->flowi_iif); + if (dev && netif_is_l3_master(dev) && + dev->l3mdev_ops->l3mdev_fib_table) { + arg->table = dev->l3mdev_ops->l3mdev_fib_table(dev); + rc = 1; + goto out; + } + +out: rcu_read_unlock(); return rc; @@ -270,28 +276,31 @@ int l3mdev_fib_rule_match(struct net *net, struct flowi *fl, void l3mdev_update_flow(struct net *net, struct flowi *fl) { struct net_device *dev; + int ifindex; rcu_read_lock(); if (fl->flowi_oif) { dev = dev_get_by_index_rcu(net, fl->flowi_oif); if (dev) { - if (!fl->flowi_l3mdev) - fl->flowi_l3mdev = l3mdev_master_ifindex_rcu(dev); - - /* oif set to L3mdev directs lookup to its table; - * reset to avoid oif match in fib_lookup - */ - if (netif_is_l3_master(dev)) - fl->flowi_oif = 0; - goto out; + ifindex = l3mdev_master_ifindex_rcu(dev); + if (ifindex) { + fl->flowi_oif = ifindex; + fl->flowi_flags |= FLOWI_FLAG_SKIP_NH_OIF; + goto out; + } } } - if (fl->flowi_iif > LOOPBACK_IFINDEX && !fl->flowi_l3mdev) { + if (fl->flowi_iif) { dev = dev_get_by_index_rcu(net, fl->flowi_iif); - if (dev) - fl->flowi_l3mdev = l3mdev_master_ifindex_rcu(dev); + if (dev) { + ifindex = l3mdev_master_ifindex_rcu(dev); + if (ifindex) { + fl->flowi_iif = ifindex; + fl->flowi_flags |= FLOWI_FLAG_SKIP_NH_OIF; + } + } } out: diff --git a/tools/testing/selftests/net/fcnal-test.sh b/tools/testing/selftests/net/fcnal-test.sh index acffe0029fdd..e13b0fb63333 100755 --- a/tools/testing/selftests/net/fcnal-test.sh +++ b/tools/testing/selftests/net/fcnal-test.sh @@ -741,7 +741,7 @@ ipv4_ping_vrf() log_start show_hint "Fails since address on vrf device is out of device scope" run_cmd ping -c1 -w1 -I ${NSA_DEV} ${a} - log_test_addr ${a} $? 2 "ping local, device bind" + log_test_addr ${a} $? 1 "ping local, device bind" done # From 705b09104298626a55aebd29a8875af7da1f0073 Mon Sep 17 00:00:00 2001 From: Greg Kroah-Hartman Date: Sun, 10 Nov 2024 04:40:28 +0000 Subject: [PATCH 626/649] Revert "net: Handle l3mdev in ip_tunnel_init_flow" This reverts commit ab6c9463b137163ba53fc050bf2c72bed2c997b8 which is commit db53cd3d88dc328dea2e968c9c8d3b4294a8a674 upstream. It breaks the Android kernel abi and can be brought back in the future in an abi-safe way if it is really needed. Bug: 161946584 Change-Id: Ib56a76ee38637a3ed8f7d64df69be28d42db8578 Signed-off-by: Greg Kroah-Hartman --- drivers/net/ethernet/mellanox/mlxsw/spectrum_span.c | 2 +- include/net/ip_tunnels.h | 11 ++--------- net/ipv4/ip_gre.c | 4 ++-- net/ipv4/ip_tunnel.c | 9 ++++----- 4 files changed, 9 insertions(+), 17 deletions(-) diff --git a/drivers/net/ethernet/mellanox/mlxsw/spectrum_span.c b/drivers/net/ethernet/mellanox/mlxsw/spectrum_span.c index cdb47486f377..1892cea05ee7 100644 --- a/drivers/net/ethernet/mellanox/mlxsw/spectrum_span.c +++ b/drivers/net/ethernet/mellanox/mlxsw/spectrum_span.c @@ -422,7 +422,7 @@ mlxsw_sp_span_gretap4_route(const struct net_device *to_dev, parms = mlxsw_sp_ipip_netdev_parms4(to_dev); ip_tunnel_init_flow(&fl4, parms.iph.protocol, *daddrp, *saddrp, - 0, 0, dev_net(to_dev), parms.link, tun->fwmark, 0); + 0, 0, parms.link, tun->fwmark, 0); rt = ip_route_output_key(tun->net, &fl4); if (IS_ERR(rt)) diff --git a/include/net/ip_tunnels.h b/include/net/ip_tunnels.h index 2a10ca6450a5..fede588f5502 100644 --- a/include/net/ip_tunnels.h +++ b/include/net/ip_tunnels.h @@ -240,18 +240,11 @@ static inline __be32 tunnel_id_to_key32(__be64 tun_id) static inline void ip_tunnel_init_flow(struct flowi4 *fl4, int proto, __be32 daddr, __be32 saddr, - __be32 key, __u8 tos, - struct net *net, int oif, + __be32 key, __u8 tos, int oif, __u32 mark, __u32 tun_inner_hash) { memset(fl4, 0, sizeof(*fl4)); - - if (oif) { - fl4->flowi4_l3mdev = l3mdev_master_upper_ifindex_by_index_rcu(net, oif); - /* Legacy VRF/l3mdev use case */ - fl4->flowi4_oif = fl4->flowi4_l3mdev ? 0 : oif; - } - + fl4->flowi4_oif = oif; fl4->daddr = daddr; fl4->saddr = saddr; fl4->flowi4_tos = tos; diff --git a/net/ipv4/ip_gre.c b/net/ipv4/ip_gre.c index ae0189828aa9..9612867b70e9 100644 --- a/net/ipv4/ip_gre.c +++ b/net/ipv4/ip_gre.c @@ -608,8 +608,8 @@ static int gre_fill_metadata_dst(struct net_device *dev, struct sk_buff *skb) key = &info->key; ip_tunnel_init_flow(&fl4, IPPROTO_GRE, key->u.ipv4.dst, key->u.ipv4.src, tunnel_id_to_key32(key->tun_id), - key->tos & ~INET_ECN_MASK, dev_net(dev), 0, - skb->mark, skb_get_hash(skb)); + key->tos & ~INET_ECN_MASK, 0, skb->mark, + skb_get_hash(skb)); rt = ip_route_output_key(dev_net(dev), &fl4); if (IS_ERR(rt)) return PTR_ERR(rt); diff --git a/net/ipv4/ip_tunnel.c b/net/ipv4/ip_tunnel.c index 79ebc1fb924f..50f8231e9dae 100644 --- a/net/ipv4/ip_tunnel.c +++ b/net/ipv4/ip_tunnel.c @@ -294,8 +294,8 @@ static int ip_tunnel_bind_dev(struct net_device *dev) ip_tunnel_init_flow(&fl4, iph->protocol, iph->daddr, iph->saddr, tunnel->parms.o_key, - RT_TOS(iph->tos), dev_net(dev), - tunnel->parms.link, tunnel->fwmark, 0); + RT_TOS(iph->tos), tunnel->parms.link, + tunnel->fwmark, 0); rt = ip_route_output_key(tunnel->net, &fl4); if (!IS_ERR(rt)) { @@ -584,7 +584,7 @@ void ip_md_tunnel_xmit(struct sk_buff *skb, struct net_device *dev, } ip_tunnel_init_flow(&fl4, proto, key->u.ipv4.dst, key->u.ipv4.src, tunnel_id_to_key32(key->tun_id), RT_TOS(tos), - dev_net(dev), 0, skb->mark, skb_get_hash(skb)); + 0, skb->mark, skb_get_hash(skb)); if (tunnel->encap.type != TUNNEL_ENCAP_NONE) goto tx_error; @@ -740,8 +740,7 @@ void ip_tunnel_xmit(struct sk_buff *skb, struct net_device *dev, } ip_tunnel_init_flow(&fl4, protocol, dst, tnl_params->saddr, - tunnel->parms.o_key, RT_TOS(tos), - dev_net(dev), tunnel->parms.link, + tunnel->parms.o_key, RT_TOS(tos), tunnel->parms.link, tunnel->fwmark, skb_get_hash(skb)); if (ip_tunnel_encap(skb, tunnel, &protocol, &fl4) < 0) From af2f7573ea00a84f1b93e0111261c67d1567c753 Mon Sep 17 00:00:00 2001 From: Greg Kroah-Hartman Date: Sun, 10 Nov 2024 04:41:11 +0000 Subject: [PATCH 627/649] Revert "xfrm: Pass flowi_oif or l3mdev as oif to xfrm_dst_lookup" This reverts commit 0825c5ff246cb8df5c70cf0331289cf4361dd3ae which is commit 748b82c23e25310fec54e1eff2cb63936f391b24 upstream. It breaks the Android kernel abi and can be brought back in the future in an abi-safe way if it is really needed. Bug: 161946584 Change-Id: Ib3f614c0ff41f47d5b7c6b15df0c5d90f1e1cd32 Signed-off-by: Greg Kroah-Hartman --- net/xfrm/xfrm_policy.c | 4 +--- 1 file changed, 1 insertion(+), 3 deletions(-) diff --git a/net/xfrm/xfrm_policy.c b/net/xfrm/xfrm_policy.c index 25b74fa03abc..ac18cf1a03ec 100644 --- a/net/xfrm/xfrm_policy.c +++ b/net/xfrm/xfrm_policy.c @@ -2602,14 +2602,12 @@ static struct dst_entry *xfrm_bundle_create(struct xfrm_policy *policy, if (xfrm[i]->props.mode != XFRM_MODE_TRANSPORT) { __u32 mark = 0; - int oif; if (xfrm[i]->props.smark.v || xfrm[i]->props.smark.m) mark = xfrm_smark_get(fl->flowi_mark, xfrm[i]); family = xfrm[i]->props.family; - oif = fl->flowi_oif ? : fl->flowi_l3mdev; - dst = xfrm_dst_lookup(xfrm[i], tos, oif, + dst = xfrm_dst_lookup(xfrm[i], tos, fl->flowi_oif, &saddr, &daddr, family, mark); err = PTR_ERR(dst); if (IS_ERR(dst)) From 8f52d7a1ee5603398b564f0b251d2023437f1df2 Mon Sep 17 00:00:00 2001 From: Carlos Llamas Date: Thu, 26 Sep 2024 23:36:12 +0000 Subject: [PATCH 628/649] FROMGIT: binder: fix node UAF in binder_add_freeze_work() In binder_add_freeze_work() we iterate over the proc->nodes with the proc->inner_lock held. However, this lock is temporarily dropped in order to acquire the node->lock first (lock nesting order). This can race with binder_node_release() and trigger a use-after-free: ================================================================== BUG: KASAN: slab-use-after-free in _raw_spin_lock+0xe4/0x19c Write of size 4 at addr ffff53c04c29dd04 by task freeze/640 CPU: 5 UID: 0 PID: 640 Comm: freeze Not tainted 6.11.0-07343-ga727812a8d45 #17 Hardware name: linux,dummy-virt (DT) Call trace: _raw_spin_lock+0xe4/0x19c binder_add_freeze_work+0x148/0x478 binder_ioctl+0x1e70/0x25ac __arm64_sys_ioctl+0x124/0x190 Allocated by task 637: __kmalloc_cache_noprof+0x12c/0x27c binder_new_node+0x50/0x700 binder_transaction+0x35ac/0x6f74 binder_thread_write+0xfb8/0x42a0 binder_ioctl+0x18f0/0x25ac __arm64_sys_ioctl+0x124/0x190 Freed by task 637: kfree+0xf0/0x330 binder_thread_read+0x1e88/0x3a68 binder_ioctl+0x16d8/0x25ac __arm64_sys_ioctl+0x124/0x190 ================================================================== Fix the race by taking a temporary reference on the node before releasing the proc->inner lock. This ensures the node remains alive while in use. Fixes: d579b04a52a1 ("binder: frozen notification") Cc: stable@vger.kernel.org Reviewed-by: Alice Ryhl Acked-by: Todd Kjos Signed-off-by: Carlos Llamas Link: https://lore.kernel.org/r/20240926233632.821189-2-cmllamas@google.com Signed-off-by: Greg Kroah-Hartman Bug: 366003708 (cherry picked from commit dc8aea47b928cc153b591b3558829ce42f685074 git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc.git char-misc-next) Change-Id: I47b053532dd4cd3424d35d6f254ca4d00c426411 Signed-off-by: Carlos Llamas --- drivers/android/binder.c | 7 +++++++ 1 file changed, 7 insertions(+) diff --git a/drivers/android/binder.c b/drivers/android/binder.c index d86f1ad27110..8b02d8f2a46b 100644 --- a/drivers/android/binder.c +++ b/drivers/android/binder.c @@ -5558,6 +5558,7 @@ static bool binder_txns_pending_ilocked(struct binder_proc *proc) static void binder_add_freeze_work(struct binder_proc *proc, bool is_frozen) { + struct binder_node *prev = NULL; struct rb_node *n; struct binder_ref *ref; @@ -5566,7 +5567,10 @@ static void binder_add_freeze_work(struct binder_proc *proc, bool is_frozen) struct binder_node *node; node = rb_entry(n, struct binder_node, rb_node); + binder_inc_node_tmpref_ilocked(node); binder_inner_proc_unlock(proc); + if (prev) + binder_put_node(prev); binder_node_lock(node); hlist_for_each_entry(ref, &node->refs, node_entry) { /* @@ -5592,10 +5596,13 @@ static void binder_add_freeze_work(struct binder_proc *proc, bool is_frozen) } binder_inner_proc_unlock(ref->proc); } + prev = node; binder_node_unlock(node); binder_inner_proc_lock(proc); } binder_inner_proc_unlock(proc); + if (prev) + binder_put_node(prev); } static int binder_ioctl_freeze(struct binder_freeze_info *info, From df183ec32027a62d28d060295b8d5a8d6a0e1c95 Mon Sep 17 00:00:00 2001 From: Carlos Llamas Date: Thu, 26 Sep 2024 23:36:13 +0000 Subject: [PATCH 629/649] FROMGIT: binder: fix OOB in binder_add_freeze_work() In binder_add_freeze_work() we iterate over the proc->nodes with the proc->inner_lock held. However, this lock is temporarily dropped to acquire the node->lock first (lock nesting order). This can race with binder_deferred_release() which removes the nodes from the proc->nodes rbtree and adds them into binder_dead_nodes list. This leads to a broken iteration in binder_add_freeze_work() as rb_next() will use data from binder_dead_nodes, triggering an out-of-bounds access: ================================================================== BUG: KASAN: global-out-of-bounds in rb_next+0xfc/0x124 Read of size 8 at addr ffffcb84285f7170 by task freeze/660 CPU: 8 UID: 0 PID: 660 Comm: freeze Not tainted 6.11.0-07343-ga727812a8d45 #18 Hardware name: linux,dummy-virt (DT) Call trace: rb_next+0xfc/0x124 binder_add_freeze_work+0x344/0x534 binder_ioctl+0x1e70/0x25ac __arm64_sys_ioctl+0x124/0x190 The buggy address belongs to the variable: binder_dead_nodes+0x10/0x40 [...] ================================================================== This is possible because proc->nodes (rbtree) and binder_dead_nodes (list) share entries in binder_node through a union: struct binder_node { [...] union { struct rb_node rb_node; struct hlist_node dead_node; }; Fix the race by checking that the proc is still alive. If not, simply break out of the iteration. Fixes: d579b04a52a1 ("binder: frozen notification") Cc: stable@vger.kernel.org Reviewed-by: Alice Ryhl Acked-by: Todd Kjos Signed-off-by: Carlos Llamas Link: https://lore.kernel.org/r/20240926233632.821189-3-cmllamas@google.com Signed-off-by: Greg Kroah-Hartman Bug: 366003708 (cherry picked from commit 011e69a1b23011c0db3af4b8293fdd4522cc97b0 git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc.git char-misc-next) Change-Id: I5ec9d49277a23b864862665b52213460750c535e Signed-off-by: Carlos Llamas --- drivers/android/binder.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/drivers/android/binder.c b/drivers/android/binder.c index 8b02d8f2a46b..508d774e887b 100644 --- a/drivers/android/binder.c +++ b/drivers/android/binder.c @@ -5599,6 +5599,8 @@ static void binder_add_freeze_work(struct binder_proc *proc, bool is_frozen) prev = node; binder_node_unlock(node); binder_inner_proc_lock(proc); + if (proc->is_dead) + break; } binder_inner_proc_unlock(proc); if (prev) From 2bd6b2ab69ee7e6322dd6851218c39249812a19e Mon Sep 17 00:00:00 2001 From: Carlos Llamas Date: Thu, 26 Sep 2024 23:36:14 +0000 Subject: [PATCH 630/649] BACKPORT: FROMGIT: binder: fix freeze UAF in binder_release_work() When a binder reference is cleaned up, any freeze work queued in the associated process should also be removed. Otherwise, the reference is freed while its ref->freeze.work is still queued in proc->work leading to a use-after-free issue as shown by the following KASAN report: ================================================================== BUG: KASAN: slab-use-after-free in binder_release_work+0x398/0x3d0 Read of size 8 at addr ffff31600ee91488 by task kworker/5:1/211 CPU: 5 UID: 0 PID: 211 Comm: kworker/5:1 Not tainted 6.11.0-rc7-00382-gfc6c92196396 #22 Hardware name: linux,dummy-virt (DT) Workqueue: events binder_deferred_func Call trace: binder_release_work+0x398/0x3d0 binder_deferred_func+0xb60/0x109c process_one_work+0x51c/0xbd4 worker_thread+0x608/0xee8 Allocated by task 703: __kmalloc_cache_noprof+0x130/0x280 binder_thread_write+0xdb4/0x42a0 binder_ioctl+0x18f0/0x25ac __arm64_sys_ioctl+0x124/0x190 invoke_syscall+0x6c/0x254 Freed by task 211: kfree+0xc4/0x230 binder_deferred_func+0xae8/0x109c process_one_work+0x51c/0xbd4 worker_thread+0x608/0xee8 ================================================================== This commit fixes the issue by ensuring any queued freeze work is removed when cleaning up a binder reference. Fixes: d579b04a52a1 ("binder: frozen notification") Cc: stable@vger.kernel.org Acked-by: Todd Kjos Reviewed-by: Alice Ryhl Signed-off-by: Carlos Llamas Link: https://lore.kernel.org/r/20240926233632.821189-4-cmllamas@google.com Signed-off-by: Greg Kroah-Hartman Bug: 366003708 (cherry picked from commit 7e20434cbca814cb91a0a261ca0106815ef48e5f git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc.git char-misc-next) Change-Id: Icc40e7dd6157981f4adbea7243e55be118552321 [cmllamas: drop BINDER_STAT_FREEZE as it's not supported here] Signed-off-by: Carlos Llamas --- drivers/android/binder.c | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/drivers/android/binder.c b/drivers/android/binder.c index 508d774e887b..a28b3f3af17c 100644 --- a/drivers/android/binder.c +++ b/drivers/android/binder.c @@ -1283,6 +1283,10 @@ static void binder_cleanup_ref_olocked(struct binder_ref *ref) binder_dequeue_work(ref->proc, &ref->death->work); binder_stats_deleted(BINDER_STAT_DEATH); } + + if (ref->freeze) + binder_dequeue_work(ref->proc, &ref->freeze->work); + binder_stats_deleted(BINDER_STAT_REF); } From 4e4b2cf3e24893160ef70ff3fc913f5e6f3b1f82 Mon Sep 17 00:00:00 2001 From: Carlos Llamas Date: Thu, 26 Sep 2024 23:36:15 +0000 Subject: [PATCH 631/649] FROMGIT: binder: fix BINDER_WORK_FROZEN_BINDER debug logs The BINDER_WORK_FROZEN_BINDER type is not handled in the binder_logs entries and it shows up as "unknown work" when logged: proc 649 context binder-test thread 649: l 00 need_return 0 tr 0 ref 13: desc 1 node 8 s 1 w 0 d 0000000053c4c0c3 unknown work: type 10 This patch add the freeze work type and is now logged as such: proc 637 context binder-test thread 637: l 00 need_return 0 tr 0 ref 8: desc 1 node 3 s 1 w 0 d 00000000dc39e9c6 has frozen binder Fixes: d579b04a52a1 ("binder: frozen notification") Cc: stable@vger.kernel.org Acked-by: Todd Kjos Signed-off-by: Carlos Llamas Reviewed-by: Alice Ryhl Link: https://lore.kernel.org/r/20240926233632.821189-5-cmllamas@google.com Signed-off-by: Greg Kroah-Hartman Bug: 366003708 (cherry picked from commit 830d7db744b42c693bf1db7e94db86d7efd91f0e git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc.git char-misc-next) Change-Id: I06f888aa5218db19eeda79e315385506af09d9d5 Signed-off-by: Carlos Llamas --- drivers/android/binder.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/drivers/android/binder.c b/drivers/android/binder.c index a28b3f3af17c..0c82334b2047 100644 --- a/drivers/android/binder.c +++ b/drivers/android/binder.c @@ -6404,6 +6404,9 @@ static void print_binder_work_ilocked(struct seq_file *m, case BINDER_WORK_CLEAR_DEATH_NOTIFICATION: seq_printf(m, "%shas cleared death notification\n", prefix); break; + case BINDER_WORK_FROZEN_BINDER: + seq_printf(m, "%shas frozen binder\n", prefix); + break; default: seq_printf(m, "%sunknown work: type %d\n", prefix, w->type); break; From f357f2a81dfe1a3dcbdf5f2cfa15f96e902ba3c9 Mon Sep 17 00:00:00 2001 From: Carlos Llamas Date: Thu, 26 Sep 2024 23:36:16 +0000 Subject: [PATCH 632/649] FROMGIT: binder: fix BINDER_WORK_CLEAR_FREEZE_NOTIFICATION debug logs proc 699 context binder-test thread 699: l 00 need_return 0 tr 0 ref 25: desc 1 node 20 s 1 w 0 d 00000000c03e09a3 unknown work: type 11 proc 640 context binder-test thread 640: l 00 need_return 0 tr 0 ref 8: desc 1 node 3 s 1 w 0 d 000000002bb493e1 has cleared freeze notification Fixes: d579b04a52a1 ("binder: frozen notification") Cc: stable@vger.kernel.org Suggested-by: Alice Ryhl Signed-off-by: Carlos Llamas Reviewed-by: Alice Ryhl Acked-by: Todd Kjos Link: https://lore.kernel.org/r/20240926233632.821189-6-cmllamas@google.com Signed-off-by: Greg Kroah-Hartman Bug: 366003708 (cherry picked from commit 595ea72efff9fa65bc52b6406e0822f90841f266 git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc.git char-misc-next) Change-Id: Ic6311aaea2040aaf4534cdaa4cbfa378afe31869 Signed-off-by: Carlos Llamas --- drivers/android/binder.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/drivers/android/binder.c b/drivers/android/binder.c index 0c82334b2047..7d913b96f2ef 100644 --- a/drivers/android/binder.c +++ b/drivers/android/binder.c @@ -6407,6 +6407,9 @@ static void print_binder_work_ilocked(struct seq_file *m, case BINDER_WORK_FROZEN_BINDER: seq_printf(m, "%shas frozen binder\n", prefix); break; + case BINDER_WORK_CLEAR_FREEZE_NOTIFICATION: + seq_printf(m, "%shas cleared freeze notification\n", prefix); + break; default: seq_printf(m, "%sunknown work: type %d\n", prefix, w->type); break; From 5a884658937a2d57ed7e4e19f3a504053a3e286f Mon Sep 17 00:00:00 2001 From: Carlos Llamas Date: Thu, 26 Sep 2024 23:36:17 +0000 Subject: [PATCH 633/649] FROMGIT: binder: allow freeze notification for dead nodes Alice points out that binder_request_freeze_notification() should not return EINVAL when the relevant node is dead [1]. The node can die at any point even if the user input is valid. Instead, allow the request to be allocated but skip the initial notification for dead nodes. This avoids propagating unnecessary errors back to userspace. Fixes: d579b04a52a1 ("binder: frozen notification") Cc: stable@vger.kernel.org Suggested-by: Alice Ryhl Link: https://lore.kernel.org/all/CAH5fLghapZJ4PbbkC8V5A6Zay-_sgTzwVpwqk6RWWUNKKyJC_Q@mail.gmail.com/ [1] Signed-off-by: Carlos Llamas Acked-by: Todd Kjos Link: https://lore.kernel.org/r/20240926233632.821189-7-cmllamas@google.com Signed-off-by: Greg Kroah-Hartman Bug: 366003708 (cherry picked from commit ca63c66935b978441055e3d87d30225267f99329 git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc.git char-misc-next) Change-Id: I03af1eedfeb194f5a775388cbb4e7487e4a5dfc0 Signed-off-by: Carlos Llamas --- drivers/android/binder.c | 28 +++++++++++++--------------- 1 file changed, 13 insertions(+), 15 deletions(-) diff --git a/drivers/android/binder.c b/drivers/android/binder.c index 7d913b96f2ef..e1cdb5a330e7 100644 --- a/drivers/android/binder.c +++ b/drivers/android/binder.c @@ -3836,7 +3836,6 @@ binder_request_freeze_notification(struct binder_proc *proc, { struct binder_ref_freeze *freeze; struct binder_ref *ref; - bool is_frozen; freeze = kzalloc(sizeof(*freeze), GFP_KERNEL); if (!freeze) @@ -3852,31 +3851,30 @@ binder_request_freeze_notification(struct binder_proc *proc, } binder_node_lock(ref->node); - - if (ref->freeze || !ref->node->proc) { - binder_user_error("%d:%d invalid BC_REQUEST_FREEZE_NOTIFICATION %s\n", - proc->pid, thread->pid, - ref->freeze ? "already set" : "dead node"); + if (ref->freeze) { + binder_user_error("%d:%d BC_REQUEST_FREEZE_NOTIFICATION already set\n", + proc->pid, thread->pid); binder_node_unlock(ref->node); binder_proc_unlock(proc); kfree(freeze); return -EINVAL; } - binder_inner_proc_lock(ref->node->proc); - is_frozen = ref->node->proc->is_frozen; - binder_inner_proc_unlock(ref->node->proc); INIT_LIST_HEAD(&freeze->work.entry); freeze->cookie = handle_cookie->cookie; freeze->work.type = BINDER_WORK_FROZEN_BINDER; - freeze->is_frozen = is_frozen; - ref->freeze = freeze; - binder_inner_proc_lock(proc); - binder_enqueue_work_ilocked(&ref->freeze->work, &proc->todo); - binder_wakeup_proc_ilocked(proc); - binder_inner_proc_unlock(proc); + if (ref->node->proc) { + binder_inner_proc_lock(ref->node->proc); + freeze->is_frozen = ref->node->proc->is_frozen; + binder_inner_proc_unlock(ref->node->proc); + + binder_inner_proc_lock(proc); + binder_enqueue_work_ilocked(&freeze->work, &proc->todo); + binder_wakeup_proc_ilocked(proc); + binder_inner_proc_unlock(proc); + } binder_node_unlock(ref->node); binder_proc_unlock(proc); From a204f3aa74395463c9409d755eaf83d853496a92 Mon Sep 17 00:00:00 2001 From: Carlos Llamas Date: Thu, 26 Sep 2024 23:36:18 +0000 Subject: [PATCH 634/649] BACKPORT: FROMGIT: binder: fix memleak of proc->delivered_freeze If a freeze notification is cleared with BC_CLEAR_FREEZE_NOTIFICATION before calling binder_freeze_notification_done(), then it is detached from its reference (e.g. ref->freeze) but the work remains queued in proc->delivered_freeze. This leads to a memory leak when the process exits as any pending entries in proc->delivered_freeze are not freed: unreferenced object 0xffff38e8cfa36180 (size 64): comm "binder-util", pid 655, jiffies 4294936641 hex dump (first 32 bytes): b8 e9 9e c8 e8 38 ff ff b8 e9 9e c8 e8 38 ff ff .....8.......8.. 0b 00 00 00 00 00 00 00 3c 1f 4b 00 00 00 00 00 ........<.K..... backtrace (crc 95983b32): [<000000000d0582cf>] kmemleak_alloc+0x34/0x40 [<000000009c99a513>] __kmalloc_cache_noprof+0x208/0x280 [<00000000313b1704>] binder_thread_write+0xdec/0x439c [<000000000cbd33bb>] binder_ioctl+0x1b68/0x22cc [<000000002bbedeeb>] __arm64_sys_ioctl+0x124/0x190 [<00000000b439adee>] invoke_syscall+0x6c/0x254 [<00000000173558fc>] el0_svc_common.constprop.0+0xac/0x230 [<0000000084f72311>] do_el0_svc+0x40/0x58 [<000000008b872457>] el0_svc+0x38/0x78 [<00000000ee778653>] el0t_64_sync_handler+0x120/0x12c [<00000000a8ec61bf>] el0t_64_sync+0x190/0x194 This patch fixes the leak by ensuring that any pending entries in proc->delivered_freeze are freed during binder_deferred_release(). Fixes: d579b04a52a1 ("binder: frozen notification") Cc: stable@vger.kernel.org Signed-off-by: Carlos Llamas Reviewed-by: Alice Ryhl Acked-by: Todd Kjos Link: https://lore.kernel.org/r/20240926233632.821189-8-cmllamas@google.com Signed-off-by: Greg Kroah-Hartman Bug: 366003708 (cherry picked from commit 1db76ec2b4b206ff943e292a0b55e68ff3443598 git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc.git char-misc-next) Change-Id: Iafdec3421c521b4b591b94455deba7ee5102c8ca [cmllamas: drop BINDER_STAT_FREEZE and use proc_wrapper()] Signed-off-by: Carlos Llamas --- drivers/android/binder.c | 10 ++++++++++ 1 file changed, 10 insertions(+) diff --git a/drivers/android/binder.c b/drivers/android/binder.c index e1cdb5a330e7..cd464abcc311 100644 --- a/drivers/android/binder.c +++ b/drivers/android/binder.c @@ -5147,6 +5147,15 @@ static void binder_release_work(struct binder_proc *proc, } break; case BINDER_WORK_NODE: break; + case BINDER_WORK_CLEAR_FREEZE_NOTIFICATION: { + struct binder_ref_freeze *freeze; + + freeze = container_of(w, struct binder_ref_freeze, work); + binder_debug(BINDER_DEBUG_DEAD_TRANSACTION, + "undelivered freeze notification, %016llx\n", + (u64)freeze->cookie); + kfree(freeze); + } break; default: pr_err("unexpected work type, %d, not freed\n", wtype); @@ -6269,6 +6278,7 @@ static void binder_deferred_release(struct binder_proc *proc) binder_release_work(proc, &proc->todo); binder_release_work(proc, &proc->delivered_death); + binder_release_work(proc, &proc_wrapper(proc)->delivered_freeze); binder_debug(BINDER_DEBUG_OPEN_CLOSE, "%s: %d threads %d, nodes %d (ref %d), refs %d, active transactions %d\n", From db11e829711ce67362038506b6c6342b2b5bb10a Mon Sep 17 00:00:00 2001 From: Carlos Llamas Date: Thu, 26 Sep 2024 23:36:19 +0000 Subject: [PATCH 635/649] BACKPORT: FROMGIT: binder: add delivered_freeze to debugfs output Add the pending proc->delivered_freeze work to the debugfs output. This information was omitted in the original implementation of the freeze notification and can be valuable for debugging issues. Fixes: d579b04a52a1 ("binder: frozen notification") Cc: stable@vger.kernel.org Signed-off-by: Carlos Llamas Acked-by: Todd Kjos Reviewed-by: Alice Ryhl Link: https://lore.kernel.org/r/20240926233632.821189-9-cmllamas@google.com Signed-off-by: Greg Kroah-Hartman Bug: 366003708 (cherry picked from commit cb2aeb2ec25884133110ffe5a67ff3cf7dee5ceb git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc.git char-misc-next) Change-Id: Ifc9a22b52e38c35af661732486fa1f154adb34de [cmllamas: fix KMI break with proc_wrapper()] Signed-off-by: Carlos Llamas --- drivers/android/binder.c | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/drivers/android/binder.c b/drivers/android/binder.c index cd464abcc311..0eddff10c203 100644 --- a/drivers/android/binder.c +++ b/drivers/android/binder.c @@ -6567,6 +6567,10 @@ static void print_binder_proc(struct seq_file *m, seq_puts(m, " has delivered dead binder\n"); break; } + list_for_each_entry(w, &proc_wrapper(proc)->delivered_freeze, entry) { + seq_puts(m, " has delivered freeze binder\n"); + break; + } binder_inner_proc_unlock(proc); if (!print_all && m->count == header_pos) m->count = start_pos; From ef536a1d6384128321d2b23bbd7a1c283afe0796 Mon Sep 17 00:00:00 2001 From: Arnd Bergmann Date: Wed, 29 Sep 2021 14:27:13 -0700 Subject: [PATCH 636/649] UPSTREAM: bitfield: build kunit tests without structleak plugin The structleak plugin causes the stack frame size to grow immensely: lib/bitfield_kunit.c: In function 'test_bitfields_constants': lib/bitfield_kunit.c:93:1: error: the frame size of 7440 bytes is larger than 2048 bytes [-Werror=frame-larger-than=] Turn it off in this file. Signed-off-by: Arnd Bergmann Signed-off-by: Brendan Higgins Reviewed-by: Kees Cook Signed-off-by: Shuah Khan (cherry picked from commit a8cf90332ae3e2b53813a146a99261b6a5e16a73) Change-Id: Iafc6cac194dd798fdc5e12c75373a4df59e48116 --- lib/Makefile | 1 + 1 file changed, 1 insertion(+) diff --git a/lib/Makefile b/lib/Makefile index 1864a5e89741..ccd4164597c6 100644 --- a/lib/Makefile +++ b/lib/Makefile @@ -350,6 +350,7 @@ obj-$(CONFIG_OBJAGG) += objagg.o obj-$(CONFIG_PLDMFW) += pldmfw/ # KUnit tests +CFLAGS_bitfield_kunit.o := $(DISABLE_STRUCTLEAK_PLUGIN) obj-$(CONFIG_BITFIELD_KUNIT) += bitfield_kunit.o obj-$(CONFIG_LIST_KUNIT_TEST) += list-test.o obj-$(CONFIG_LINEAR_RANGES_TEST) += test_linear_ranges.o From 900cb56f4cb161442cbf8f0fb5b473ccec0ddef7 Mon Sep 17 00:00:00 2001 From: Arnd Bergmann Date: Mon, 22 Mar 2021 17:41:57 +0100 Subject: [PATCH 637/649] UPSTREAM: drm/omap: fix misleading indentation in pixinc() MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit An old patch added a 'return' statement after each BUG() in this driver, which was necessary at the time, but has become redundant after the BUG() definition was updated to handle this properly. gcc-11 now warns about one such instance, where the 'return' statement was incorrectly indented: drivers/gpu/drm/omapdrm/dss/dispc.c: In function ‘pixinc’: drivers/gpu/drm/omapdrm/dss/dispc.c:2093:9: error: this ‘else’ clause does not guard... [-Werror=misleading-indentation] 2093 | else | ^~~~ drivers/gpu/drm/omapdrm/dss/dispc.c:2095:17: note: ...this statement, but the latter is misleadingly indented as if it were guarded by the ‘else’ 2095 | return 0; | ^~~~~~ Address this by removing the return again and changing the BUG() to be unconditional to make this more intuitive. Fixes: c6eee968d40d ("OMAPDSS: remove compiler warnings when CONFIG_BUG=n") Signed-off-by: Arnd Bergmann Signed-off-by: Tomi Valkeinen Link: https://patchwork.freedesktop.org/patch/msgid/20210322164203.827324-1-arnd@kernel.org (cherry picked from commit 417fc6123b4a60c60b770e756cc3e001d764e480) Change-Id: Idaa0fbd215f5b71a498a8486bbf533878bede5f1 --- drivers/gpu/drm/omapdrm/dss/dispc.c | 5 ++--- 1 file changed, 2 insertions(+), 3 deletions(-) diff --git a/drivers/gpu/drm/omapdrm/dss/dispc.c b/drivers/gpu/drm/omapdrm/dss/dispc.c index 48593932bddf..e06c2c131061 100644 --- a/drivers/gpu/drm/omapdrm/dss/dispc.c +++ b/drivers/gpu/drm/omapdrm/dss/dispc.c @@ -2077,9 +2077,8 @@ static s32 pixinc(int pixels, u8 ps) return 1 + (pixels - 1) * ps; else if (pixels < 0) return 1 - (-pixels + 1) * ps; - else - BUG(); - return 0; + + BUG(); } static void calc_offset(u16 screen_width, u16 width, From e05e6574f729d534de2b795facb3b98c321ae0ce Mon Sep 17 00:00:00 2001 From: Dezhi Huang Date: Thu, 23 May 2024 15:10:35 +0800 Subject: [PATCH 638/649] ANDROID: Allow vendor modules perform more operations on memleak detect Export arch_vma_name, _vm_normal_page, pmd_clear_bad, __pmd_trans_huge_lock functions. Allow vendor modules perform more operations on memleak detect and debug. It can detect multiple types of memleak,such as Native,ION,Slub and Vmalloc. Shows detail size of memleak, and shows the stack. Bug: 379962310 Bug: 365506692 Bug: 342305999 Change-Id: I118efa570e660d0696bf081d00b670760d01bec1 Signed-off-by: Dezhi Huang (cherry picked from commit 21e76b82444db3635eacb360f0d0206a069de4a8) (cherry picked from commit ce0653fd2cb3b91553870938edd1b854c4975c72) --- kernel/signal.c | 1 + mm/huge_memory.c | 1 + mm/memory.c | 1 + mm/pgtable-generic.c | 1 + 4 files changed, 4 insertions(+) diff --git a/kernel/signal.c b/kernel/signal.c index 1b8107e71c30..63c01658e94a 100644 --- a/kernel/signal.c +++ b/kernel/signal.c @@ -4574,6 +4574,7 @@ __weak const char *arch_vma_name(struct vm_area_struct *vma) { return NULL; } +EXPORT_SYMBOL_GPL(arch_vma_name); static inline void siginfo_buildtime_checks(void) { diff --git a/mm/huge_memory.c b/mm/huge_memory.c index 14bc79900736..25bc945d2ab4 100644 --- a/mm/huge_memory.c +++ b/mm/huge_memory.c @@ -1906,6 +1906,7 @@ spinlock_t *__pmd_trans_huge_lock(pmd_t *pmd, struct vm_area_struct *vma) spin_unlock(ptl); return NULL; } +EXPORT_SYMBOL_GPL(__pmd_trans_huge_lock); /* * Returns true if a given pud maps a thp, false otherwise. diff --git a/mm/memory.c b/mm/memory.c index 2aeeef494103..82f775ec57a6 100644 --- a/mm/memory.c +++ b/mm/memory.c @@ -698,6 +698,7 @@ struct page *_vm_normal_page(struct vm_area_struct *vma, unsigned long addr, out: return pfn_to_page(pfn); } +EXPORT_SYMBOL_GPL(_vm_normal_page); #ifdef CONFIG_TRANSPARENT_HUGEPAGE struct page *vm_normal_page_pmd(struct vm_area_struct *vma, unsigned long addr, diff --git a/mm/pgtable-generic.c b/mm/pgtable-generic.c index 4e640baf9794..11d465c10046 100644 --- a/mm/pgtable-generic.c +++ b/mm/pgtable-generic.c @@ -50,6 +50,7 @@ void pmd_clear_bad(pmd_t *pmd) pmd_ERROR(*pmd); pmd_clear(pmd); } +EXPORT_SYMBOL_GPL(pmd_clear_bad); #ifndef __HAVE_ARCH_PTEP_SET_ACCESS_FLAGS /* From 2936e6a8e4172cd90c4e832260652b08b12260c1 Mon Sep 17 00:00:00 2001 From: zhengwei Date: Wed, 20 Nov 2024 21:33:51 +0800 Subject: [PATCH 639/649] ANDROID: GKI: update symbol list for honor Leaf changes summary: 4 artifacts changed Changed leaf types summary: 0 leaf type changed Removed/Changed/Added functions summary: 0 Removed, 0 Changed, 4 Added functions Removed/Changed/Added variables summary: 0 Removed, 0 Changed, 0 Added variable 4 Added functions: [A] 'function spinlock_t* __pmd_trans_huge_lock(pmd_t*, vm_area_struct*)' [A] 'function page* _vm_normal_page(vm_area_struct*, unsigned long int, pte_t, unsigned long int)' [A] 'function const char* arch_vma_name(vm_area_struct*)' [A] 'function void pmd_clear_bad(pmd_t*)' Bug: 379962310 Change-Id: Id4e8195820d68b890936ca972b03d864305ae52b Signed-off-by: zhengwei --- android/abi_gki_aarch64.xml | 116 ++++++++++++++++++++-------------- android/abi_gki_aarch64_honor | 4 ++ 2 files changed, 74 insertions(+), 46 deletions(-) diff --git a/android/abi_gki_aarch64.xml b/android/abi_gki_aarch64.xml index c0f2f2ce257f..16bb135d4233 100644 --- a/android/abi_gki_aarch64.xml +++ b/android/abi_gki_aarch64.xml @@ -235,6 +235,7 @@ + @@ -932,6 +933,7 @@ + @@ -988,6 +990,7 @@ + @@ -4459,6 +4462,7 @@ + @@ -118572,6 +118576,11 @@ + + + + + @@ -123413,12 +123422,19 @@ - - - - - - + + + + + + + + + + + + + @@ -123722,6 +123738,10 @@ + + + + @@ -132877,10 +132897,10 @@ - - - - + + + + @@ -141787,6 +141807,10 @@ + + + + @@ -143148,12 +143172,12 @@ - - - - - - + + + + + + @@ -148995,11 +149019,11 @@ - - - - - + + + + + @@ -151383,22 +151407,22 @@ - - - - + + + + - - - - + + + + - - - - + + + + @@ -151469,23 +151493,23 @@ - - - - + + + + - - - - + + + + - - - - - + + + + + diff --git a/android/abi_gki_aarch64_honor b/android/abi_gki_aarch64_honor index ddd1a800c132..c7acc512d606 100644 --- a/android/abi_gki_aarch64_honor +++ b/android/abi_gki_aarch64_honor @@ -1,4 +1,8 @@ [abi_symbol_list] + arch_vma_name + _vm_normal_page + pmd_clear_bad + __pmd_trans_huge_lock __traceiter_android_rvh_dma_buf_stats_teardown __traceiter_android_vh_tune_fault_around_bytes __traceiter_android_vh_do_swap_page_spf From 894861d67a0f883c2fa20a8ce58634c15d0a27dd Mon Sep 17 00:00:00 2001 From: Aleksei Vetrov Date: Thu, 21 Nov 2024 21:14:00 +0000 Subject: [PATCH 640/649] ANDROID: add file for recording allowed ABI breaks The tooling is configured to block any changes that has a chance to break ABI, including the possibly safe: * replacement of ANDROID_KABI_RESERVE with ANDROID_KABI_USE * changes to internal structures that are not accessible to modules * addition of enumerators These changes are difficult for the tooling to identify as definitively non-breaking, therefore, a human reviewer must check the change and approve it as non-breaking. This change adds a file to record the approval with the change that was marked as breaking. This allows the tooling to: * unblock presubmits for the change * don't block presubmits when it is cherry-picked to another branch * filter compatibility reports between a release branch and a tip of the development branch it was forked from The file is prefilled with all breaks that happened from the KMI freeze. Bug: 365521273 Change-Id: I63fbed5c364cb8c7bd149bf40d084d3d87533bf7 Signed-off-by: Aleksei Vetrov --- android/abi_gki_aarch64.xml.allowed_breaks | 127 +++++++++++++++++++++ 1 file changed, 127 insertions(+) create mode 100644 android/abi_gki_aarch64.xml.allowed_breaks diff --git a/android/abi_gki_aarch64.xml.allowed_breaks b/android/abi_gki_aarch64.xml.allowed_breaks new file mode 100644 index 000000000000..ec5854913f72 --- /dev/null +++ b/android/abi_gki_aarch64.xml.allowed_breaks @@ -0,0 +1,127 @@ +# How to use this file: http://go/approve-abi-break +# ABI freeze commit: 870488eb0745645feff5bddfd44fe538660b9cf8 + +type 'struct xhci_hcd' changed + member 'u64 android_kabi_reserved1' was removed + member 'union { struct xhci_vendor_ops* vendor_ops; struct { u64 android_kabi_reserved1; }; union { }; }' was added + +type 'struct xhci_hcd' changed + member changed from 'union { struct xhci_vendor_ops* vendor_ops; struct { u64 android_kabi_reserved1; } __UNIQUE_ID_android_kabi_hide315; union { }; }' to 'union { struct xhci_vendor_ops* vendor_ops; struct { u64 android_kabi_reserved1; }; union { }; }' + type changed from 'union { struct xhci_vendor_ops* vendor_ops; struct { u64 android_kabi_reserved1; } __UNIQUE_ID_android_kabi_hide315; union { }; }' to 'union { struct xhci_vendor_ops* vendor_ops; struct { u64 android_kabi_reserved1; }; union { }; }' + member 'struct { u64 android_kabi_reserved1; } __UNIQUE_ID_android_kabi_hide315' was removed + member 'struct { u64 android_kabi_reserved1; }' was added + +type 'struct spi_controller' changed + member changed from 'u8 unused_native_cs' to 's8 unused_native_cs' + type changed from 'u8' = '__u8' = 'unsigned char' to 's8' = '__s8' = 'signed char' + resolved type changed from 'unsigned char' to 'signed char' + member changed from 'u8 max_native_cs' to 's8 max_native_cs' + type changed from 'u8' = '__u8' = 'unsigned char' to 's8' = '__s8' = 'signed char' + resolved type changed from 'unsigned char' to 'signed char' + +type 'struct xhci_hcd' changed + member changed from 'union { struct xhci_vendor_ops* vendor_ops; struct { u64 android_kabi_reserved1; } __UNIQUE_ID_android_kabi_hide316; union { }; }' to 'union { struct xhci_vendor_ops* vendor_ops; struct { u64 android_kabi_reserved1; }; union { }; }' + type changed from 'union { struct xhci_vendor_ops* vendor_ops; struct { u64 android_kabi_reserved1; } __UNIQUE_ID_android_kabi_hide316; union { }; }' to 'union { struct xhci_vendor_ops* vendor_ops; struct { u64 android_kabi_reserved1; }; union { }; }' + member 'struct { u64 android_kabi_reserved1; } __UNIQUE_ID_android_kabi_hide316' was removed + member 'struct { u64 android_kabi_reserved1; }' was added + +type 'struct ehci_hcd' changed + member 'unsigned int is_aspeed' was added + +type 'struct fscrypt_mode' changed + byte size changed from 32 to 40 + member 'int security_strength' was added + 3 members ('int ivsize' .. 'enum blk_crypto_mode_num blk_crypto_mode') changed + offset changed by 32 + +type 'struct sock' changed + member 'u64 android_kabi_reserved1' was removed + member 'union { spinlock_t sk_peer_lock; struct { u64 android_kabi_reserved1; }; union { }; }' was added + +type 'struct bpf_map' changed + member changed from 'u64 writecnt' to 'atomic64_t writecnt' + type changed from 'u64' = '__u64' = 'long long unsigned int' to 'atomic64_t' = 'struct { s64 counter; }' + resolved type changed from 'long long unsigned int' to 'struct { s64 counter; }' + +type 'struct fib_rules_ops' changed + member changed from 'bool(* suppress)(struct fib_rule*, struct fib_lookup_arg*)' to 'bool(* suppress)(struct fib_rule*, int, struct fib_lookup_arg*)' + type changed from 'bool(*)(struct fib_rule*, struct fib_lookup_arg*)' to 'bool(*)(struct fib_rule*, int, struct fib_lookup_arg*)' + pointed-to type changed from 'bool(struct fib_rule*, struct fib_lookup_arg*)' to 'bool(struct fib_rule*, int, struct fib_lookup_arg*)' + parameter 2 type changed from 'struct fib_lookup_arg*' to 'int' + parameter 3 of type 'struct fib_lookup_arg*' was added + +type 'struct snd_pcm_runtime' changed + byte size changed from 768 to 824 + member 'struct mutex buffer_mutex' was added + member 'atomic_t buffer_accessing' was added + +type 'struct gpio_irq_chip' changed + member 'u64 android_kabi_reserved1' was removed + member 'union { bool initialized; struct { u64 android_kabi_reserved1; }; union { }; }' was added + +function symbol changed from 'int hex_to_bin(char)' to 'int hex_to_bin(unsigned char)' + type changed from 'int(char)' to 'int(unsigned char)' + parameter 1 type changed from 'char' to 'unsigned char' + +1 variable symbol(s) removed + 'struct tracepoint __tracepoint_android_vh_record_percpu_rwsem_lock_starttime' + +1 function symbol(s) removed + 'int __traceiter_android_vh_record_percpu_rwsem_lock_starttime(void*, struct task_struct*, unsigned long int)' + +type 'struct fscrypt_info' changed + member changed from 'struct key* ci_master_key' to 'struct fscrypt_master_key* ci_master_key' + type changed from 'struct key*' to 'struct fscrypt_master_key*' + pointed-to type changed from 'struct key' to 'struct fscrypt_master_key' + +type 'struct tcp_sock' changed + member 'u32 max_packets_seq' was removed + member 'u32 cwnd_usage_seq' was added + +type 'struct iphdr' changed + member '__be32 saddr' was removed + member '__be32 daddr' was removed + member 'union { struct { __be32 saddr; __be32 daddr; }; struct { __be32 saddr; __be32 daddr; } addrs; }' was added + +type 'struct super_block' changed + member changed from 'struct key* s_master_keys' to 'struct fscrypt_keyring* s_master_keys' + type changed from 'struct key*' to 'struct fscrypt_keyring*' + pointed-to type changed from 'struct key' to 'struct fscrypt_keyring' + +type 'struct sk_buff' changed + member 'u64 android_kabi_reserved1' was removed + member 'union { struct { __u8 scm_io_uring; __u8 android_kabi_reserved1_padding1; __u16 android_kabi_reserved1_padding2; __u32 android_kabi_reserved1_padding3; }; struct { u64 android_kabi_reserved1; }; union { }; }' was added + +type 'struct task_struct' changed + member 'u64 android_kabi_reserved1' was removed + member 'union { void* pf_io_worker; struct { u64 android_kabi_reserved1; }; union { }; }' was added + +type 'struct anon_vma' changed + byte size changed from 104 to 120 + member 'unsigned long int num_children' was added + member 'unsigned long int num_active_vmas' was added + +function symbol changed from 'struct irq_domain* __irq_domain_add(struct fwnode_handle*, int, irq_hw_number_t, int, const struct irq_domain_ops*, void*)' to 'struct irq_domain* __irq_domain_add(struct fwnode_handle*, unsigned int, irq_hw_number_t, int, const struct irq_domain_ops*, void*)' + type changed from 'struct irq_domain*(struct fwnode_handle*, int, irq_hw_number_t, int, const struct irq_domain_ops*, void*)' to 'struct irq_domain*(struct fwnode_handle*, unsigned int, irq_hw_number_t, int, const struct irq_domain_ops*, void*)' + parameter 2 type changed from 'int' to 'unsigned int' + +function symbol changed from 'is_ashmem_file' to 'int is_ashmem_file(struct file*)' + CRC changed from 0x4bef6e5f to 0x94fc40b5 + +type 'struct perf_event' changed + member 'unsigned int group_generation' was added + +type 'struct ipv6_devconf' changed + member 'u64 android_kabi_reserved1' was removed + member 'union { struct { __s32 accept_ra_min_lft; u32 padding; }; struct { u64 android_kabi_reserved1; }; union { }; }' was added + +type 'struct clk_core' changed + byte size changed from 248 to 264 + member 'struct hlist_node rpm_node' was added + 30 members ('struct device_node* of_node' .. 'struct kref ref') changed + offset changed by 128 + +type 'enum binder_work_type' changed + enumerator 'BINDER_WORK_FROZEN_BINDER' (9) was added + ... 1 other enumerator(s) added + From 38dc270ca093908e056ebb9d1f60ce7b7a654b5e Mon Sep 17 00:00:00 2001 From: Greg Kroah-Hartman Date: Thu, 21 Nov 2024 23:32:02 +0000 Subject: [PATCH 641/649] Revert "genetlink: hold RCU in genlmsg_mcast()" This reverts commit 4af714e82379984974a1b61a5629cdb302673dda which is commit 56440d7ec28d60f8da3bfa09062b3368ff9b16db upstream. It breaks the Android kernel abi and can be brought back in the future in an abi-safe way if it is really needed. Bug: 161946584 Change-Id: I812d261d139e7f73a135c3445b7733b7611c23e0 Signed-off-by: Greg Kroah-Hartman --- drivers/target/target_core_user.c | 2 +- include/net/genetlink.h | 3 ++- net/l2tp/l2tp_netlink.c | 4 ++-- net/netlink/genetlink.c | 28 ++++++++++++++-------------- net/wireless/nl80211.c | 8 ++++++-- 5 files changed, 25 insertions(+), 20 deletions(-) diff --git a/drivers/target/target_core_user.c b/drivers/target/target_core_user.c index 2ac973291b1f..c283e45ac300 100644 --- a/drivers/target/target_core_user.c +++ b/drivers/target/target_core_user.c @@ -1988,7 +1988,7 @@ static int tcmu_netlink_event_send(struct tcmu_dev *udev, } ret = genlmsg_multicast_allns(&tcmu_genl_family, skb, 0, - TCMU_MCGRP_CONFIG); + TCMU_MCGRP_CONFIG, GFP_KERNEL); /* Wait during an add as the listener may not be up yet */ if (ret == 0 || diff --git a/include/net/genetlink.h b/include/net/genetlink.h index 140d0c35ce08..d66f0f397f2e 100644 --- a/include/net/genetlink.h +++ b/include/net/genetlink.h @@ -337,12 +337,13 @@ static inline int genlmsg_multicast(const struct genl_family *family, * @skb: netlink message as socket buffer * @portid: own netlink portid to avoid sending to yourself * @group: offset of multicast group in groups array + * @flags: allocation flags * * This function must hold the RTNL or rcu_read_lock(). */ int genlmsg_multicast_allns(const struct genl_family *family, struct sk_buff *skb, u32 portid, - unsigned int group); + unsigned int group, gfp_t flags); /** * genlmsg_unicast - unicast a netlink message diff --git a/net/l2tp/l2tp_netlink.c b/net/l2tp/l2tp_netlink.c index f34ca225c219..96eb91be9238 100644 --- a/net/l2tp/l2tp_netlink.c +++ b/net/l2tp/l2tp_netlink.c @@ -115,7 +115,7 @@ static int l2tp_tunnel_notify(struct genl_family *family, NLM_F_ACK, tunnel, cmd); if (ret >= 0) { - ret = genlmsg_multicast_allns(family, msg, 0, 0); + ret = genlmsg_multicast_allns(family, msg, 0, 0, GFP_ATOMIC); /* We don't care if no one is listening */ if (ret == -ESRCH) ret = 0; @@ -143,7 +143,7 @@ static int l2tp_session_notify(struct genl_family *family, NLM_F_ACK, session, cmd); if (ret >= 0) { - ret = genlmsg_multicast_allns(family, msg, 0, 0); + ret = genlmsg_multicast_allns(family, msg, 0, 0, GFP_ATOMIC); /* We don't care if no one is listening */ if (ret == -ESRCH) ret = 0; diff --git a/net/netlink/genetlink.c b/net/netlink/genetlink.c index fcfbb22a1e34..9fd7ba01b9f8 100644 --- a/net/netlink/genetlink.c +++ b/net/netlink/genetlink.c @@ -1097,11 +1097,15 @@ static int genl_ctrl_event(int event, const struct genl_family *family, if (IS_ERR(msg)) return PTR_ERR(msg); - if (!family->netnsok) + if (!family->netnsok) { genlmsg_multicast_netns(&genl_ctrl, &init_net, msg, 0, 0, GFP_KERNEL); - else - genlmsg_multicast_allns(&genl_ctrl, msg, 0, 0); + } else { + rcu_read_lock(); + genlmsg_multicast_allns(&genl_ctrl, msg, 0, + 0, GFP_ATOMIC); + rcu_read_unlock(); + } return 0; } @@ -1410,23 +1414,23 @@ static int __init genl_init(void) core_initcall(genl_init); -static int genlmsg_mcast(struct sk_buff *skb, u32 portid, unsigned long group) +static int genlmsg_mcast(struct sk_buff *skb, u32 portid, unsigned long group, + gfp_t flags) { struct sk_buff *tmp; struct net *net, *prev = NULL; bool delivered = false; int err; - rcu_read_lock(); for_each_net_rcu(net) { if (prev) { - tmp = skb_clone(skb, GFP_ATOMIC); + tmp = skb_clone(skb, flags); if (!tmp) { err = -ENOMEM; goto error; } err = nlmsg_multicast(prev->genl_sock, tmp, - portid, group, GFP_ATOMIC); + portid, group, flags); if (!err) delivered = true; else if (err != -ESRCH) @@ -1435,30 +1439,26 @@ static int genlmsg_mcast(struct sk_buff *skb, u32 portid, unsigned long group) prev = net; } - err = nlmsg_multicast(prev->genl_sock, skb, portid, group, GFP_ATOMIC); - - rcu_read_unlock(); + err = nlmsg_multicast(prev->genl_sock, skb, portid, group, flags); if (!err) delivered = true; else if (err != -ESRCH) return err; return delivered ? 0 : -ESRCH; error: - rcu_read_unlock(); - kfree_skb(skb); return err; } int genlmsg_multicast_allns(const struct genl_family *family, struct sk_buff *skb, u32 portid, - unsigned int group) + unsigned int group, gfp_t flags) { if (WARN_ON_ONCE(group >= family->n_mcgrps)) return -EINVAL; group = family->mcgrp_offset + group; - return genlmsg_mcast(skb, portid, group); + return genlmsg_mcast(skb, portid, group, flags); } EXPORT_SYMBOL(genlmsg_multicast_allns); diff --git a/net/wireless/nl80211.c b/net/wireless/nl80211.c index 71e63cfef4ff..979b1f690bdb 100644 --- a/net/wireless/nl80211.c +++ b/net/wireless/nl80211.c @@ -15883,8 +15883,10 @@ void nl80211_common_reg_change_event(enum nl80211_commands cmd_id, genlmsg_end(msg, hdr); + rcu_read_lock(); genlmsg_multicast_allns(&nl80211_fam, msg, 0, - NL80211_MCGRP_REGULATORY); + NL80211_MCGRP_REGULATORY, GFP_ATOMIC); + rcu_read_unlock(); return; @@ -16392,8 +16394,10 @@ void nl80211_send_beacon_hint_event(struct wiphy *wiphy, genlmsg_end(msg, hdr); + rcu_read_lock(); genlmsg_multicast_allns(&nl80211_fam, msg, 0, - NL80211_MCGRP_REGULATORY); + NL80211_MCGRP_REGULATORY, GFP_ATOMIC); + rcu_read_unlock(); return; From a8339e7fd071060864163c29a0ca26739d92ce2f Mon Sep 17 00:00:00 2001 From: Daeho Jeong Date: Thu, 15 Feb 2024 12:16:33 -0800 Subject: [PATCH 642/649] UPSTREAM: f2fs: support SEEK_DATA and SEEK_HOLE for compression files Fix to support SEEK_DATA and SEEK_HOLE for compression files Bug: 325092012 Signed-off-by: Daeho Jeong Reviewed-by: Chao Yu Signed-off-by: Jaegeuk Kim (cherry picked from commit a94c7fded76bfd1a061deae7be80fedbfa26774e) (cherry picked from https://android-review.googlesource.com/q/commit:268f1fed504a7bc9cfba291fe994ad767eda7a70) Merged-In: Iba62c53e634682205f84c8dc3566ab8df9079158 Change-Id: Iba62c53e634682205f84c8dc3566ab8df9079158 --- fs/f2fs/file.c | 21 ++++++++++++++++++--- 1 file changed, 18 insertions(+), 3 deletions(-) diff --git a/fs/f2fs/file.c b/fs/f2fs/file.c index 37f04ac3a82d..ef25fdc09ea3 100644 --- a/fs/f2fs/file.c +++ b/fs/f2fs/file.c @@ -382,9 +382,20 @@ int f2fs_sync_file(struct file *file, loff_t start, loff_t end, int datasync) return f2fs_do_sync_file(file, start, end, datasync, false); } -static bool __found_offset(struct address_space *mapping, block_t blkaddr, - pgoff_t index, int whence) +static bool __found_offset(struct address_space *mapping, + struct dnode_of_data *dn, pgoff_t index, int whence) { + block_t blkaddr = f2fs_data_blkaddr(dn); + struct inode *inode = mapping->host; + bool compressed_cluster = false; + + if (f2fs_compressed_file(inode)) { + block_t first_blkaddr = data_blkaddr(dn->inode, dn->node_page, + ALIGN_DOWN(dn->ofs_in_node, F2FS_I(inode)->i_cluster_size)); + + compressed_cluster = first_blkaddr == COMPRESS_ADDR; + } + switch (whence) { case SEEK_DATA: if (__is_valid_data_blkaddr(blkaddr)) @@ -392,8 +403,12 @@ static bool __found_offset(struct address_space *mapping, block_t blkaddr, if (blkaddr == NEW_ADDR && xa_get_mark(&mapping->i_pages, index, PAGECACHE_TAG_DIRTY)) return true; + if (compressed_cluster) + return true; break; case SEEK_HOLE: + if (compressed_cluster) + return false; if (blkaddr == NULL_ADDR) return true; break; @@ -462,7 +477,7 @@ static loff_t f2fs_seek_block(struct file *file, loff_t offset, int whence) goto fail; } - if (__found_offset(file->f_mapping, blkaddr, + if (__found_offset(file->f_mapping, &dn, pgofs, whence)) { f2fs_put_dnode(&dn); goto found; From b396c229b4f389ec340e9e845d0594eceedc9720 Mon Sep 17 00:00:00 2001 From: Pedro Tammela Date: Thu, 24 Oct 2024 12:55:47 -0400 Subject: [PATCH 643/649] UPSTREAM: net/sched: stop qdisc_tree_reduce_backlog on TC_H_ROOT [ Upstream commit 2e95c4384438adeaa772caa560244b1a2efef816 ] In qdisc_tree_reduce_backlog, Qdiscs with major handle ffff: are assumed to be either root or ingress. This assumption is bogus since it's valid to create egress qdiscs with major handle ffff: Budimir Markovic found that for qdiscs like DRR that maintain an active class list, it will cause a UAF with a dangling class pointer. In 066a3b5b2346, the concern was to avoid iterating over the ingress qdisc since its parent is itself. The proper fix is to stop when parent TC_H_ROOT is reached because the only way to retrieve ingress is when a hierarchy which does not contain a ffff: major handle call into qdisc_lookup with TC_H_MAJ(TC_H_ROOT). In the scenario where major ffff: is an egress qdisc in any of the tree levels, the updates will also propagate to TC_H_ROOT, which then the iteration must stop. Fixes: 066a3b5b2346 ("[NET_SCHED] sch_api: fix qdisc_tree_decrease_qlen() loop") Reported-by: Budimir Markovic Suggested-by: Jamal Hadi Salim Tested-by: Victor Nogueira Signed-off-by: Pedro Tammela Signed-off-by: Jamal Hadi Salim net/sched/sch_api.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) Reviewed-by: Simon Horman Bug: 377197048 Link: https://patch.msgid.link/20241024165547.418570-1-jhs@mojatatu.com Signed-off-by: Jakub Kicinski Signed-off-by: Sasha Levin (cherry picked from commit 597cf9748c3477bf61bc35f0634129f56764ad24) Signed-off-by: Lee Jones Change-Id: I4ef8bee1095f7c51e4d458b25cd331018188b3d6 --- net/sched/sch_api.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/net/sched/sch_api.c b/net/sched/sch_api.c index 5c2d230790db..6c712c26d086 100644 --- a/net/sched/sch_api.c +++ b/net/sched/sch_api.c @@ -781,7 +781,7 @@ void qdisc_tree_reduce_backlog(struct Qdisc *sch, int n, int len) drops = max_t(int, n, 0); rcu_read_lock(); while ((parentid = sch->parent)) { - if (TC_H_MAJ(parentid) == TC_H_MAJ(TC_H_INGRESS)) + if (parentid == TC_H_ROOT) break; if (sch->flags & TCQ_F_NOPARENT) From 1fed2de8e6aac8c2f807ace31a5d0c217ed1c6ad Mon Sep 17 00:00:00 2001 From: Kalesh Singh Date: Mon, 25 Nov 2024 10:21:41 -0800 Subject: [PATCH 644/649] ANDROID: mm: Fix SPF-aware fast-mremap Fast-mremap tries to detect concerrent SPF's by checking if vma->file_ref_count is 1 and setting it to -1 to prevent concurrent SPF's from happening after a fast-mremap has started. This check doesn't account for the cases where the VMA has been split/merged after the check has happened in the SPF or fast-remap paths; which can lead to the PMD/PUD level page table being changed from under a concurrent SPF if certain race conditions are met. Currently SPF takes the PTL lock at the lowest level of the page table hierarchy (i.e. the page table page covering a 2MB extent). Fast mremap at the PMD level only takes the PTL lock for the page table pages (old and new) containing the PMD entries to be updated (i.e the page table pages covering 1GB extents) Remove the vma_ref_count trylock, and disable fast-mremap at the PUD level if SPF is enabled. At the PMD level take the pte ptl lock on the source address, to avoid races with concurrent SPF. NOTE: The additional lock, means that there are now 2 levels of nested spinlocks. However we forego adding a new lockdep subclass as Android doesn't enable lockdep in production. old_ptl (pmd_lock) new_ptl (pmd_lock) old_pte_ptl (pte ptl lock) Bug: 377672115 Change-Id: Ie634806115ce86a05477dfe45806487c856c3759 Signed-off-by: Kalesh Singh --- mm/mremap.c | 77 +++++++++++++++++------------------------------------ 1 file changed, 24 insertions(+), 53 deletions(-) diff --git a/mm/mremap.c b/mm/mremap.c index 57b73944bfbc..e357dc0b829f 100644 --- a/mm/mremap.c +++ b/mm/mremap.c @@ -210,44 +210,11 @@ static void move_ptes(struct vm_area_struct *vma, pmd_t *old_pmd, drop_rmap_locks(vma); } -#ifdef CONFIG_SPECULATIVE_PAGE_FAULT -static inline bool trylock_vma_ref_count(struct vm_area_struct *vma) -{ - /* - * If we have the only reference, swap the refcount to -1. This - * will prevent other concurrent references by get_vma() for SPFs. - */ - return atomic_cmpxchg_acquire(&vma->vm_ref_count, 1, -1) == 1; -} - -/* - * Restore the VMA reference count to 1 after a fast mremap. - */ -static inline void unlock_vma_ref_count(struct vm_area_struct *vma) -{ - int old = atomic_xchg_release(&vma->vm_ref_count, 1); - - /* - * This should only be called after a corresponding, - * successful trylock_vma_ref_count(). - */ - VM_BUG_ON_VMA(old != -1, vma); -} -#else /* !CONFIG_SPECULATIVE_PAGE_FAULT */ -static inline bool trylock_vma_ref_count(struct vm_area_struct *vma) -{ - return true; -} -static inline void unlock_vma_ref_count(struct vm_area_struct *vma) -{ -} -#endif /* CONFIG_SPECULATIVE_PAGE_FAULT */ - #ifdef CONFIG_HAVE_MOVE_PMD static bool move_normal_pmd(struct vm_area_struct *vma, unsigned long old_addr, unsigned long new_addr, pmd_t *old_pmd, pmd_t *new_pmd) { - spinlock_t *old_ptl, *new_ptl; + spinlock_t *old_ptl, *new_ptl, *old_pte_ptl; struct mm_struct *mm = vma->vm_mm; pmd_t pmd; @@ -277,14 +244,6 @@ static bool move_normal_pmd(struct vm_area_struct *vma, unsigned long old_addr, if (WARN_ON_ONCE(!pmd_none(*new_pmd))) return false; - /* - * We hold both exclusive mmap_lock and rmap_lock at this point and - * cannot block. If we cannot immediately take exclusive ownership - * of the VMA fallback to the move_ptes(). - */ - if (!trylock_vma_ref_count(vma)) - return false; - /* * We don't have to worry about the ordering of src and dst * ptlocks because exclusive mmap_lock prevents deadlock. @@ -294,6 +253,24 @@ static bool move_normal_pmd(struct vm_area_struct *vma, unsigned long old_addr, if (new_ptl != old_ptl) spin_lock_nested(new_ptl, SINGLE_DEPTH_NESTING); + /* + * If SPF is enabled, take the ptl lock on the source page table + * page, to prevent the entire pmd from being moved under a + * concurrent SPF. + * + * There is no need to take the destination ptl lock since, mremap + * has already created a hole at the destination and freed the + * corresponding page tables in the process. + * + * NOTE: If USE_SPLIT_PTE_PTLOCKS is false, then the old_ptl, new_ptl, + * and the old_pte_ptl; are all the same lock (mm->page_table_lock). + * Check that the locks are different to avoid a deadlock. + */ + old_pte_ptl = pte_lockptr(mm, old_pmd); + if (IS_ENABLED(CONFIG_SPECULATIVE_PAGE_FAULT) && old_pte_ptl != old_ptl) + spin_lock(old_pte_ptl); + + /* Clear the pmd */ pmd = *old_pmd; pmd_clear(old_pmd); @@ -303,11 +280,13 @@ static bool move_normal_pmd(struct vm_area_struct *vma, unsigned long old_addr, /* Set the new pmd */ set_pmd_at(mm, new_addr, new_pmd, pmd); flush_tlb_range(vma, old_addr, old_addr + PMD_SIZE); + + if (IS_ENABLED(CONFIG_SPECULATIVE_PAGE_FAULT) && old_pte_ptl != old_ptl) + spin_unlock(old_pte_ptl); if (new_ptl != old_ptl) spin_unlock(new_ptl); spin_unlock(old_ptl); - unlock_vma_ref_count(vma); return true; } #else @@ -319,7 +298,8 @@ static inline bool move_normal_pmd(struct vm_area_struct *vma, } #endif -#ifdef CONFIG_HAVE_MOVE_PUD +#if CONFIG_PGTABLE_LEVELS > 2 && defined(CONFIG_HAVE_MOVE_PUD) && \ + !defined(CONFIG_SPECULATIVE_PAGE_FAULT) static bool move_normal_pud(struct vm_area_struct *vma, unsigned long old_addr, unsigned long new_addr, pud_t *old_pud, pud_t *new_pud) { @@ -334,14 +314,6 @@ static bool move_normal_pud(struct vm_area_struct *vma, unsigned long old_addr, if (WARN_ON_ONCE(!pud_none(*new_pud))) return false; - /* - * We hold both exclusive mmap_lock and rmap_lock at this point and - * cannot block. If we cannot immediately take exclusive ownership - * of the VMA fallback to the move_ptes(). - */ - if (!trylock_vma_ref_count(vma)) - return false; - /* * We don't have to worry about the ordering of src and dst * ptlocks because exclusive mmap_lock prevents deadlock. @@ -364,7 +336,6 @@ static bool move_normal_pud(struct vm_area_struct *vma, unsigned long old_addr, spin_unlock(new_ptl); spin_unlock(old_ptl); - unlock_vma_ref_count(vma); return true; } #else From 7098f838f2014114674a8e5fbe74ec4bd86152d4 Mon Sep 17 00:00:00 2001 From: Nathan Chancellor Date: Mon, 11 Sep 2023 09:44:05 -0700 Subject: [PATCH 645/649] ANDROID: libsubcmd: Hoist iterator variable declarations in parse_options_subcommand() When applying HOSTCFLAGS to the libsubcmd build to resolve a separate issue, which contain '-std=gnu89' prior to commit 1e24078113ae ("Kbuild: use -std=gnu11 for KBUILD_USERCFLAGS"), the following warning/error occurs: parse-options.c:643:8: error: GCC does not allow variable declarations in for loop initializers before C99 [-Werror,-Wgcc-compat] for (int i = 0; subcommands[i]; i++) { ^ parse-options.c:669:9: error: GCC does not allow variable declarations in for loop initializers before C99 [-Werror,-Wgcc-compat] for (int i = 0; subcommands[i]; i++) ^ This issue was never visible upstream, as commit 1e24078113ae ("Kbuild: use -std=gnu11 for KBUILD_USERCFLAGS") was applied before commit 13e07691a16f ("tools/resolve_btfids: Alter how HOSTCC is forced"). Prior to the latter change, there was no '-std=' flag passed to the libsubcmd build, so the default standard value was used, which may be newer than C99. To resolve this issue to unblock applying HOSTCFLAGS to libsubcmd, just hoist the declarations out of the for loops. Bug: 301145081 Link: https://github.com/ClangBuiltLinux/linux/issues/1929 Signed-off-by: Nathan Chancellor Change-Id: I41f17964f3d0822b026f6ae8f06a4d49bc7f15a9 (cherry picked from https://android-review.googlesource.com/q/commit:8f75dab19c30be65c740bd4abf9587714b3305dc) --- tools/lib/subcmd/parse-options.c | 8 ++++++-- 1 file changed, 6 insertions(+), 2 deletions(-) diff --git a/tools/lib/subcmd/parse-options.c b/tools/lib/subcmd/parse-options.c index e799d35cba43..3624bcd5195d 100644 --- a/tools/lib/subcmd/parse-options.c +++ b/tools/lib/subcmd/parse-options.c @@ -637,9 +637,11 @@ int parse_options_subcommand(int argc, const char **argv, const struct option *o /* build usage string if it's not provided */ if (subcommands && !usagestr[0]) { + int i; + astrcatf(&buf, "%s %s [] {", subcmd_config.exec_name, argv[0]); - for (int i = 0; subcommands[i]; i++) { + for (i = 0; subcommands[i]; i++) { if (i) astrcat(&buf, "|"); astrcat(&buf, subcommands[i]); @@ -665,7 +667,9 @@ int parse_options_subcommand(int argc, const char **argv, const struct option *o exit(130); case PARSE_OPT_LIST_SUBCMDS: if (subcommands) { - for (int i = 0; subcommands[i]; i++) + int i; + + for (i = 0; subcommands[i]; i++) printf("%s ", subcommands[i]); } putchar('\n'); From b6f4fd26d5838447a52e0a65351c6a4826d07de0 Mon Sep 17 00:00:00 2001 From: Jiri Kosina Date: Tue, 29 Oct 2024 15:44:35 +0100 Subject: [PATCH 646/649] UPSTREAM: HID: core: zero-initialize the report buffer MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit [ Upstream commit 177f25d1292c7e16e1199b39c85480f7f8815552 ] Since the report buffer is used by all kinds of drivers in various ways, let's zero-initialize it during allocation to make sure that it can't be ever used to leak kernel memory via specially-crafted report. Bug: 380395346 Fixes: 27ce405039bf ("HID: fix data access in implement()") Reported-by: Benoît Sevens Acked-by: Benjamin Tissoires Signed-off-by: Jiri Kosina Signed-off-by: Sasha Levin (cherry picked from commit 9d9f5c75c0c7f31766ec27d90f7a6ac673193191) Signed-off-by: Lee Jones Change-Id: I31f64f2745347137bbc415eb35b7fab5761867f3 --- drivers/hid/hid-core.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/hid/hid-core.c b/drivers/hid/hid-core.c index 2be8ed476d00..50a5b45ad42d 100644 --- a/drivers/hid/hid-core.c +++ b/drivers/hid/hid-core.c @@ -1658,7 +1658,7 @@ u8 *hid_alloc_report_buf(struct hid_report *report, gfp_t flags) u32 len = hid_report_len(report) + 7; - return kmalloc(len, flags); + return kzalloc(len, flags); } EXPORT_SYMBOL_GPL(hid_alloc_report_buf); From 35fae484019af52e98637e87b5887c042d4fd3a2 Mon Sep 17 00:00:00 2001 From: Tao Wu Date: Thu, 25 Jul 2024 10:18:36 +0000 Subject: [PATCH 647/649] ANDROID: tools/objtool: Pass CFLAGS to libsubcmd build via EXTRA_CFLAGS The upstream fix is too invasive to backport so we take a similar fix like http://aosp/2755768 Bug: 355379840 Change-Id: I50258052fbf0c4f8ace7007427037122b4fd02b0 Link: https://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git/commit/?id=cd955bdd Signed-off-by: Tao Wu (cherry picked from commit 42e503e28698187142397240819ca7f97b4374fc) --- tools/objtool/Makefile | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/tools/objtool/Makefile b/tools/objtool/Makefile index a43096f713c7..0a1f1559a621 100644 --- a/tools/objtool/Makefile +++ b/tools/objtool/Makefile @@ -59,7 +59,7 @@ $(OBJTOOL): $(LIBSUBCMD) $(OBJTOOL_IN) $(LIBSUBCMD): fixdep FORCE - $(Q)$(MAKE) -C $(SUBCMD_SRCDIR) OUTPUT=$(LIBSUBCMD_OUTPUT) + $(Q)$(MAKE) -C $(SUBCMD_SRCDIR) EXTRA_CFLAGS="${CFLAGS}" OUTPUT=$(LIBSUBCMD_OUTPUT) clean: $(call QUIET_CLEAN, objtool) $(RM) $(OBJTOOL) From 5f45a7ef795551a8d1ff4d4610c75ce7abc045b7 Mon Sep 17 00:00:00 2001 From: Rui Chen Date: Sat, 30 Nov 2024 17:17:10 +0800 Subject: [PATCH 648/649] ANDROID: fs: add vendor hook to collect IO statistics Add vendor hook to get metainfo of direct/buffered read and write. Determine hot files in each performance-sensitive user scenario. Bug: 380502059 Change-Id: Ie7604852df637d6664afd72e87bd6d4b14bbc2a2 Signed-off-by: Rui Chen --- drivers/android/vendor_hooks.c | 1 + fs/direct-io.c | 8 ++++++++ fs/iomap/direct-io.c | 5 +++++ include/trace/hooks/mm.h | 4 ++++ mm/filemap.c | 1 + mm/readahead.c | 2 +- 6 files changed, 20 insertions(+), 1 deletion(-) diff --git a/drivers/android/vendor_hooks.c b/drivers/android/vendor_hooks.c index 92488977dadc..67ff78c73fe9 100644 --- a/drivers/android/vendor_hooks.c +++ b/drivers/android/vendor_hooks.c @@ -566,3 +566,4 @@ EXPORT_SYMBOL_GPL(GKI_struct_gic_chip_data); #include const struct swap_slots_cache *GKI_struct_swap_slots_cache; EXPORT_SYMBOL_GPL(GKI_struct_swap_slots_cache); +EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_io_statistics); diff --git a/fs/direct-io.c b/fs/direct-io.c index b4bf6bb10dd8..8dd15277f05d 100644 --- a/fs/direct-io.c +++ b/fs/direct-io.c @@ -39,6 +39,9 @@ #include #include #include +#ifndef __GENKSYMS__ +#include +#endif #include "internal.h" @@ -1070,6 +1073,11 @@ static int do_direct_IO(struct dio *dio, struct dio_submit *sdio, put_page(page); goto out; } + trace_android_vh_io_statistics(dio->inode->i_mapping, + sdio->block_in_file >> sdio->blkfactor, + this_chunk_blocks >> sdio->blkfactor, + iov_iter_rw(sdio->iter) == READ, true); + sdio->next_block_for_io += this_chunk_blocks; sdio->block_in_file += this_chunk_blocks; diff --git a/fs/iomap/direct-io.c b/fs/iomap/direct-io.c index fb7f9ecad231..ae073837ccfa 100644 --- a/fs/iomap/direct-io.c +++ b/fs/iomap/direct-io.c @@ -11,6 +11,9 @@ #include #include #include +#ifndef __GENKSYMS__ +#include +#endif #include "trace.h" #include "../internal.h" @@ -277,6 +280,8 @@ iomap_dio_bio_actor(struct inode *inode, loff_t pos, loff_t length, goto out; } + trace_android_vh_io_statistics(inode->i_mapping, pos >> inode->i_blkbits, + nr_pages, !(dio->flags & IOMAP_DIO_WRITE), true); bio = bio_alloc(GFP_KERNEL, nr_pages); fscrypt_set_bio_crypt_ctx(bio, inode, pos >> inode->i_blkbits, GFP_KERNEL); diff --git a/include/trace/hooks/mm.h b/include/trace/hooks/mm.h index d502c69069f1..ee3c5aaa0a58 100644 --- a/include/trace/hooks/mm.h +++ b/include/trace/hooks/mm.h @@ -370,6 +370,10 @@ DECLARE_HOOK(android_vh_do_swap_page_spf, DECLARE_HOOK(android_vh_tune_fault_around_bytes, TP_PROTO(unsigned long *fault_around_bytes), TP_ARGS(fault_around_bytes)); +DECLARE_HOOK(android_vh_io_statistics, + TP_PROTO(struct address_space *mapping, unsigned int index, + unsigned int nr_page, bool read, bool direct), + TP_ARGS(mapping, index, nr_page, read, direct)); DECLARE_HOOK(android_vh_do_anonymous_page, TP_PROTO(struct vm_area_struct *vma, struct page *page), TP_ARGS(vma, page)); diff --git a/mm/filemap.c b/mm/filemap.c index 580c1b90b605..70f130898938 100644 --- a/mm/filemap.c +++ b/mm/filemap.c @@ -3525,6 +3525,7 @@ ssize_t generic_perform_write(struct file *file, break; copied = status; + trace_android_vh_io_statistics(mapping, page->index, 1, false, false); cond_resched(); iov_iter_advance(i, copied); diff --git a/mm/readahead.c b/mm/readahead.c index 2db21cbf7745..404fefc7d311 100644 --- a/mm/readahead.c +++ b/mm/readahead.c @@ -222,7 +222,7 @@ void page_cache_ra_unbounded(struct readahead_control *ractl, read_pages(ractl, &page_pool, true); continue; } - + trace_android_vh_io_statistics(mapping, index + i, 1, true, false); page = __page_cache_alloc(gfp_mask); if (!page) break; From 7c627b9bc8f94d32c29992d4da3aef0f04f0bb3a Mon Sep 17 00:00:00 2001 From: Rui Chen Date: Sat, 30 Nov 2024 17:21:05 +0800 Subject: [PATCH 649/649] ANDROID: ABI: update symbol list for honor Update symbol list for honor in android/abi_gki_aarch64_honor Bug: 380502059 Change-Id: I2b1a67fc7cb827c354894c117f74d35af3a2ce0c Signed-off-by: Rui Chen --- android/abi_gki_aarch64.xml | 92 ++++++++++++++++++++--------------- android/abi_gki_aarch64_honor | 2 + 2 files changed, 54 insertions(+), 40 deletions(-) diff --git a/android/abi_gki_aarch64.xml b/android/abi_gki_aarch64.xml index 16bb135d4233..43e23e73a274 100644 --- a/android/abi_gki_aarch64.xml +++ b/android/abi_gki_aarch64.xml @@ -581,6 +581,7 @@ + @@ -6762,6 +6763,7 @@ + @@ -117371,15 +117373,15 @@ - - - - - - - - - + + + + + + + + + @@ -117927,9 +117929,9 @@ - - - + + + @@ -120410,10 +120412,10 @@ - - - - + + + + @@ -120438,12 +120440,12 @@ - - - - - - + + + + + + @@ -120462,9 +120464,9 @@ - - - + + + @@ -120777,6 +120779,15 @@ + + + + + + + + + @@ -121516,9 +121527,9 @@ - - - + + + @@ -121913,10 +121924,10 @@ - - - - + + + + @@ -122644,15 +122655,15 @@ - + - + - + @@ -122701,6 +122712,7 @@ + @@ -122824,7 +122836,7 @@ - + @@ -122886,7 +122898,7 @@ - + @@ -148062,9 +148074,9 @@ - - - + + + diff --git a/android/abi_gki_aarch64_honor b/android/abi_gki_aarch64_honor index c7acc512d606..2b8846775837 100644 --- a/android/abi_gki_aarch64_honor +++ b/android/abi_gki_aarch64_honor @@ -5,7 +5,9 @@ __pmd_trans_huge_lock __traceiter_android_rvh_dma_buf_stats_teardown __traceiter_android_vh_tune_fault_around_bytes + __traceiter_android_vh_io_statistics __traceiter_android_vh_do_swap_page_spf __tracepoint_android_rvh_dma_buf_stats_teardown __tracepoint_android_vh_tune_fault_around_bytes + __tracepoint_android_vh_io_statistics __tracepoint_android_vh_do_swap_page_spf