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70be83708c925b3f72c508e4756e48ad2330c830
Analyze and fix the following issue in the Linux kernel code: arm64: dts: microchip: sparx5: do not use PSCI on reference boards
Problem Details: PSCI is not implemented on SparX-5 at all, there is no ATF and U-boot that is shipped does not implement it as well. I have tried flashing the latest BSP 2022.12 U-boot which did not work. After contacting Microchip, they confirmed that there is no ATF for the SoC nor PSCI implementation which is unfo...
```diff diff --git a/arch/arm64/boot/dts/microchip/sparx5.dtsi b/arch/arm64/boot/dts/microchip/sparx5.dtsi index 6f7651b06478..ed6f57ce38f7 100644 --- a/arch/arm64/boot/dts/microchip/sparx5.dtsi +++ b/arch/arm64/boot/dts/microchip/sparx5.dtsi @@ -63,7 +63,7 @@ interrupt-affinity = <&cpu0>, <&cpu1>; }; - psci { +...
f217d94fc632fece2a41030c2eebc4ed34a48b2a
Analyze and fix the following issue in the Linux kernel code: arm64: dts: microchip: add missing cache properties
Problem Details: As all level 2 and level 3 caches are unified, add required cache-unified and cache-level properties to fix warnings like: sparx5_pcb125.dtb: l2-cache0: 'cache-level' is a required property Link: https://lore.kernel.org/r/20230421223155.115339-1-krzysztof.kozlowski@linaro.org Signed-off-by: Krzyszt...
```diff diff --git a/arch/arm64/boot/dts/microchip/sparx5.dtsi b/arch/arm64/boot/dts/microchip/sparx5.dtsi index 0367a00a269b..6f7651b06478 100644 --- a/arch/arm64/boot/dts/microchip/sparx5.dtsi +++ b/arch/arm64/boot/dts/microchip/sparx5.dtsi @@ -52,6 +52,8 @@ }; L2_0: l2-cache0 { compatible = "cache"; + ca...
af2eab1a824349cfb0f6a720ad06eea48e9e6b74
Analyze and fix the following issue in the Linux kernel code: dt-bindings: net: nxp,sja1105: document spi-cpol/cpha
Problem Details: Some boards use SJA1105 Ethernet Switch with SPI CPHA, while ones with SJA1110 use SPI CPOL, so document this to fix dtbs_check warnings: arch/arm64/boot/dts/freescale/fsl-lx2160a-bluebox3.dtb: ethernet-switch@0: Unevaluated properties are not allowed ('spi-cpol' was unexpected) Reviewed-by: Conor ...
```diff diff --git a/Documentation/devicetree/bindings/net/dsa/nxp,sja1105.yaml b/Documentation/devicetree/bindings/net/dsa/nxp,sja1105.yaml index 9a64ed658745..4d5f5cc6d031 100644 --- a/Documentation/devicetree/bindings/net/dsa/nxp,sja1105.yaml +++ b/Documentation/devicetree/bindings/net/dsa/nxp,sja1105.yaml @@ -12,10...
9ba9485b87ac97fd159abdb4cbd53099bc9f01c6
Analyze and fix the following issue in the Linux kernel code: net: selftests: Fix optstring
Problem Details: The cited commit added a stray colon to the 'v' option. That makes the option work incorrectly. ex: tools/testing/selftests/net# ./fib_nexthops.sh -v (should enable verbose mode, instead it shows help text due to missing arg) Fixes: 5feba4727395 ("selftests: fib_nexthops: Make ping timeout configurab...
```diff diff --git a/tools/testing/selftests/net/fib_nexthops.sh b/tools/testing/selftests/net/fib_nexthops.sh index a47b26ab48f2..0f5e88c8f4ff 100755 --- a/tools/testing/selftests/net/fib_nexthops.sh +++ b/tools/testing/selftests/net/fib_nexthops.sh @@ -2283,7 +2283,7 @@ EOF ##########################################...
c46e78ba9a7a09da4f192dc8df15c4e8a07fb9e0
Analyze and fix the following issue in the Linux kernel code: net: pcs: xpcs: fix C73 AN not getting enabled
Problem Details: The XPCS expects clause 73 (copper backplane) autoneg to follow the ethtool autoneg bit. It actually did that until the blamed commit inaptly replaced state->an_enabled (coming from ethtool) with phylink_autoneg_inband() (coming from the device tree or struct phylink_config), as part of an unrelated ph...
```diff diff --git a/drivers/net/pcs/pcs-xpcs.c b/drivers/net/pcs/pcs-xpcs.c index f19d48c94fe0..72f25e778840 100644 --- a/drivers/net/pcs/pcs-xpcs.c +++ b/drivers/net/pcs/pcs-xpcs.c @@ -873,7 +873,7 @@ int xpcs_do_config(struct dw_xpcs *xpcs, phy_interface_t interface, switch (compat->an_mode) { case DW_AN_C73: ...
60829145f1e2650b31ebe6a0ec70a9725b38fa2c
Analyze and fix the following issue in the Linux kernel code: net: wwan: iosm: fix NULL pointer dereference when removing device
Problem Details: In suspend and resume cycle, the removal and rescan of device ends up in NULL pointer dereference. During driver initialization, if the ipc_imem_wwan_channel_init() fails to get the valid device capabilities it returns an error and further no resource (wwan struct) will be allocated. Now in this situa...
```diff diff --git a/drivers/net/wwan/iosm/iosm_ipc_imem.c b/drivers/net/wwan/iosm/iosm_ipc_imem.c index c066b0040a3f..829515a601b3 100644 --- a/drivers/net/wwan/iosm/iosm_ipc_imem.c +++ b/drivers/net/wwan/iosm/iosm_ipc_imem.c @@ -565,24 +565,32 @@ static void ipc_imem_run_state_worker(struct work_struct *instance) s...
dacab578c7c6cd06c50c89dfa36b0e0f10decd4e
Analyze and fix the following issue in the Linux kernel code: vlan: fix a potential uninit-value in vlan_dev_hard_start_xmit()
Problem Details: syzbot triggered the following splat [1], sending an empty message through pppoe_sendmsg(). When VLAN_FLAG_REORDER_HDR flag is set, vlan_dev_hard_header() does not push extra bytes for the VLAN header, because vlan is offloaded. Unfortunately vlan_dev_hard_start_xmit() first reads veth->h_vlan_proto ...
```diff diff --git a/net/8021q/vlan_dev.c b/net/8021q/vlan_dev.c index 870e4935d6e6..b90781b9ece6 100644 --- a/net/8021q/vlan_dev.c +++ b/net/8021q/vlan_dev.c @@ -109,8 +109,8 @@ static netdev_tx_t vlan_dev_hard_start_xmit(struct sk_buff *skb, * NOTE: THIS ASSUMES DIX ETHERNET, SPECIFICALLY NOT SUPPORTING * OTHER...
6049674b5720edbbb13a7cb3e2f3d2affaa40c19
Analyze and fix the following issue in the Linux kernel code: tracing: fprobe: Initialize ret valiable to fix smatch error
Problem Details: The commit 39d954200bf6 ("fprobe: Skip exit_handler if entry_handler returns !0") introduced a hidden dependency of 'ret' local variable in the fprobe_handler(), Smatch warns the `ret` can be accessed without initialization. kernel/trace/fprobe.c:59 fprobe_handler() error: uninitialized symbol 'ret'...
```diff diff --git a/kernel/trace/fprobe.c b/kernel/trace/fprobe.c index 9abb3905bc8e..293184227394 100644 --- a/kernel/trace/fprobe.c +++ b/kernel/trace/fprobe.c @@ -27,7 +27,7 @@ static void fprobe_handler(unsigned long ip, unsigned long parent_ip, struct rethook_node *rh = NULL; struct fprobe *fp; void *entry_...
597441b3436a43011f31ce71dc0a6c0bf5ce958a
Analyze and fix the following issue in the Linux kernel code: btrfs: use nofs when cleaning up aborted transactions
Problem Details: Our CI system caught a lockdep splat: ====================================================== WARNING: possible circular locking dependency detected 6.3.0-rc7+ #1167 Not tainted ------------------------------------------------------ kswapd0/46 is trying to acquire lock: ffff8c6543abd650 (sb...
```diff diff --git a/fs/btrfs/disk-io.c b/fs/btrfs/disk-io.c index fbf9006c6234..6de6dcf2743e 100644 --- a/fs/btrfs/disk-io.c +++ b/fs/btrfs/disk-io.c @@ -4936,7 +4936,11 @@ static void btrfs_destroy_delalloc_inodes(struct btrfs_root *root) */ inode = igrab(&btrfs_inode->vfs_inode); if (inode) { + unsigned ...
806570c0bb7b4847828c22c4934fcf2dc8fc572f
Analyze and fix the following issue in the Linux kernel code: btrfs: handle memory allocation failure in btrfs_csum_one_bio
Problem Details: Since f8a53bb58ec7 ("btrfs: handle checksum generation in the storage layer") the failures of btrfs_csum_one_bio() are handled via bio_end_io(). This means, we can return BLK_STS_RESOURCE from btrfs_csum_one_bio() in case the allocation of the ordered sums fails. This also fixes a syzkaller report, w...
```diff diff --git a/fs/btrfs/file-item.c b/fs/btrfs/file-item.c index cd4cce9ba443..d1cd0a692f8e 100644 --- a/fs/btrfs/file-item.c +++ b/fs/btrfs/file-item.c @@ -792,7 +792,9 @@ blk_status_t btrfs_csum_one_bio(struct btrfs_bio *bbio) sums = kvzalloc(btrfs_ordered_sum_size(fs_info, bytes_left), GFP_KE...
3b1583868691b6fb7d5f7452711cba0481e72292
Analyze and fix the following issue in the Linux kernel code: ARM: dts: stm32: fix m4_rproc references to use SCMI for stm32mp15
Problem Details: Fixes stm32mp15*-scmi DTS files introduced in [1]: This patch fixes the node which uses the MCU reset and adds the missing HOLD_BOOT which is also handled by the SCMI reset service. This change cannot be applied as a fix on commit [1], the management of the hold boot impacts also the stm32_rproc drive...
```diff diff --git a/arch/arm/boot/dts/stm32mp157a-dk1-scmi.dts b/arch/arm/boot/dts/stm32mp157a-dk1-scmi.dts index e539cc80bef8..afcd6285890c 100644 --- a/arch/arm/boot/dts/stm32mp157a-dk1-scmi.dts +++ b/arch/arm/boot/dts/stm32mp157a-dk1-scmi.dts @@ -55,8 +55,11 @@ resets = <&scmi_reset RST_SCMI_MDMA>; }; -&mlahb ...
7dd3d9bd873f138675cb727eaa51a498d99f0e89
Analyze and fix the following issue in the Linux kernel code: gpiolib: fix allocation of mixed dynamic/static GPIOs
Problem Details: If static allocation and dynamic allocation GPIOs are present, dynamic allocation pollutes the numberspace for static allocation, causing static allocation to fail. Enforce dynamic allocation above GPIO_DYNAMIC_BASE. Seen on a GTA04 when omap-gpio (static) and twl-gpio (dynamic) raced: [some successfu...
```diff diff --git a/drivers/gpio/gpiolib.c b/drivers/gpio/gpiolib.c index 04fb05df805b..a7220e04a93e 100644 --- a/drivers/gpio/gpiolib.c +++ b/drivers/gpio/gpiolib.c @@ -209,6 +209,8 @@ static int gpiochip_find_base(int ngpio) break; /* nope, check the space right after the chip */ base = gdev->base + gdev->...
0a1bb16e0fe6650c3841e611de374bfd5578ad70
Analyze and fix the following issue in the Linux kernel code: gpio: mockup: Fix mode of debugfs files
Problem Details: This driver's debugfs files have had a read operation since commit 2a9e27408e12 ("gpio: mockup: rework debugfs interface"), but were still being created with write-only mode bits. Update them to indicate that the files can also be read. Signed-off-by: Zev Weiss <zev@bewilderbeest.net> Fixes: 2a9e2740...
```diff diff --git a/drivers/gpio/gpio-mockup.c b/drivers/gpio/gpio-mockup.c index e6a7049bef64..b32063ac845a 100644 --- a/drivers/gpio/gpio-mockup.c +++ b/drivers/gpio/gpio-mockup.c @@ -369,7 +369,7 @@ static void gpio_mockup_debugfs_setup(struct device *dev, priv->offset = i; priv->desc = gpiochip_get_desc(gc, ...
ae1c0d6eb45a7839396337ea597090542b294c7d
Analyze and fix the following issue in the Linux kernel code: arm64: dts: marvell: add missing cache properties
Problem Details: As all level 2 and level 3 caches are unified, add required cache-unified properties to fix warnings like: ac5-98dx35xx-rd.dtb: l2-cache: 'cache-unified' is a required property Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org> Signed-off-by: Gregory CLEMENT <gregory.clement@bootli...
```diff diff --git a/arch/arm64/boot/dts/marvell/ac5-98dx25xx.dtsi b/arch/arm64/boot/dts/marvell/ac5-98dx25xx.dtsi index 8bce64069138..c9ce1010c415 100644 --- a/arch/arm64/boot/dts/marvell/ac5-98dx25xx.dtsi +++ b/arch/arm64/boot/dts/marvell/ac5-98dx25xx.dtsi @@ -50,6 +50,7 @@ l2: l2-cache { compatible = "cache";...
60d758659f1fb49e0d5b6ac2691ede8c0958795b
Analyze and fix the following issue in the Linux kernel code: igb: fix bit_shift to be in [1..8] range
Problem Details: In igb_hash_mc_addr() the expression: "mc_addr[4] >> 8 - bit_shift", right shifting "mc_addr[4]" shift by more than 7 bits always yields zero, so hash becomes not so different. Add initialization with bit_shift = 1 and add a loop condition to ensure bit_shift will be always in [1..8] range. Fi...
```diff diff --git a/drivers/net/ethernet/intel/igb/e1000_mac.c b/drivers/net/ethernet/intel/igb/e1000_mac.c index 205d577bdbba..caf91c6f52b4 100644 --- a/drivers/net/ethernet/intel/igb/e1000_mac.c +++ b/drivers/net/ethernet/intel/igb/e1000_mac.c @@ -426,7 +426,7 @@ void igb_mta_set(struct e1000_hw *hw, u32 hash_value)...
df8e3729ffc0aa645839693f74ee7b6d999cdf64
Analyze and fix the following issue in the Linux kernel code: wifi: ath11k: Send HT fixed rate in WMI peer fixed param
Problem Details: Due to the firmware behavior with HT fixed rate setting, HT fixed rate MCS with NSS > 1 are treated as NSS = 1 HT rates in the firmware and enables the HT fixed rate of NSS = 1. This leads to HT fixed rate is always configured for NSS = 1 even though the user sets NSS = 2 or > 1 HT fixed MCS in the se...
```diff diff --git a/drivers/net/wireless/ath/ath11k/mac.c b/drivers/net/wireless/ath/ath11k/mac.c index 33620a7a444b..c947d1c8d8c1 100644 --- a/drivers/net/wireless/ath/ath11k/mac.c +++ b/drivers/net/wireless/ath/ath11k/mac.c @@ -4480,6 +4480,54 @@ ath11k_mac_set_peer_he_fixed_rate(struct ath11k_vif *arvif, return r...
d705a8c73acbe523cb602228d411a73f288bf34c
Analyze and fix the following issue in the Linux kernel code: drm/i915: fix intel_display_irq.c include order
Problem Details: I meant to sort the includes before submitting commit 2b874a027810 ("drm/i915/irq: split out display irq handling") but forgot, and it wasn't noticed in review either. Sort the includes. Cc: Gustavo Sousa <gustavo.sousa@intel.com> Signed-off-by: Jani Nikula <jani.nikula@intel.com> Reviewed-by: Gustavo...
```diff diff --git a/drivers/gpu/drm/i915/display/intel_display_irq.c b/drivers/gpu/drm/i915/display/intel_display_irq.c index 0eedd1ebb389..3b2a287d2041 100644 --- a/drivers/gpu/drm/i915/display/intel_display_irq.c +++ b/drivers/gpu/drm/i915/display/intel_display_irq.c @@ -3,23 +3,23 @@ * Copyright © 2023 Intel Corp...
1323e0c6e1d7e103d59384c3ac50f72b17a6936c
Analyze and fix the following issue in the Linux kernel code: net: dsa: mv88e6xxx: Fix mv88e6393x EPC write command offset
Problem Details: According to datasheet, the command opcode must be specified into bits [14:12] of the Extended Port Control register (EPC). Fixes: de776d0d316f ("net: dsa: mv88e6xxx: add support for mv88e6393x family") Signed-off-by: Marco Migliore <m.migliore@tiesse.com> Reviewed-by: Andrew Lunn <andrew@lunn.ch> Sig...
```diff diff --git a/drivers/net/dsa/mv88e6xxx/port.h b/drivers/net/dsa/mv88e6xxx/port.h index aec9d4fd20e3..d19b6303b91f 100644 --- a/drivers/net/dsa/mv88e6xxx/port.h +++ b/drivers/net/dsa/mv88e6xxx/port.h @@ -276,7 +276,7 @@ /* Offset 0x10: Extended Port Control Command */ #define MV88E6393X_PORT_EPC_CMD 0x10 #de...
412cd77a2c24b191c65ea53025222418db09817c
Analyze and fix the following issue in the Linux kernel code: cassini: Fix a memory leak in the error handling path of cas_init_one()
Problem Details: cas_saturn_firmware_init() allocates some memory using vmalloc(). This memory is freed in the .remove() function but not it the error handling path of the probe. Add the missing vfree() to avoid a memory leak, should an error occur. Fixes: fcaa40669cd7 ("cassini: use request_firmware") Signed-off-by:...
```diff diff --git a/drivers/net/ethernet/sun/cassini.c b/drivers/net/ethernet/sun/cassini.c index 4ef05bad4613..d61dfa250feb 100644 --- a/drivers/net/ethernet/sun/cassini.c +++ b/drivers/net/ethernet/sun/cassini.c @@ -5077,6 +5077,8 @@ err_out_iounmap: cas_shutdown(cp); mutex_unlock(&cp->pm_mutex); + vfree(cp->...
82b2bc279467c875ec36f8ef820f00997c2a4e8e
Analyze and fix the following issue in the Linux kernel code: tun: Fix memory leak for detached NAPI queue.
Problem Details: syzkaller reported [0] memory leaks of sk and skb related to the TUN device with no repro, but we can reproduce it easily with: struct ifreq ifr = {} int fd_tun, fd_tmp; char buf[4] = {}; fd_tun = openat(AT_FDCWD, "/dev/net/tun", O_WRONLY, 0); ifr.ifr_flags = IFF_TUN | IFF_NAPI | IFF_MULTI_...
```diff diff --git a/drivers/net/tun.c b/drivers/net/tun.c index d4d0a41a905a..d75456adc62a 100644 --- a/drivers/net/tun.c +++ b/drivers/net/tun.c @@ -1977,6 +1977,14 @@ napi_busy: int queue_len; spin_lock_bh(&queue->lock); + + if (unlikely(tfile->detached)) { + spin_unlock_bh(&queue->lock); + rcu_read_unl...
788557fb23702dbd21767a69894a53c1aa58bb60
Analyze and fix the following issue in the Linux kernel code: drm/drm_atomic_helper.c: fix a typo
Problem Details: Signed-off-by: Sui Jingfeng <suijingfeng@loongson.cn> Acked-by: Thomas Zimmermann <tzimmermann@suse.de> Signed-off-by: Thomas Zimmermann <tzimmermann@suse.de> Link: https://patchwork.freedesktop.org/patch/msgid/20230517041602.3225325-1-suijingfeng@loongson.cn
```diff diff --git a/drivers/gpu/drm/drm_atomic_helper.c b/drivers/gpu/drm/drm_atomic_helper.c index e0ab555aad2c..41b8066f61ff 100644 --- a/drivers/gpu/drm/drm_atomic_helper.c +++ b/drivers/gpu/drm/drm_atomic_helper.c @@ -3154,7 +3154,7 @@ fail: EXPORT_SYMBOL(drm_atomic_helper_update_plane); /** - * drm_atomic_hel...
f620596fa347170852da499e778a5736d79a4b79
Analyze and fix the following issue in the Linux kernel code: bus: ti-sysc: Fix dispc quirk masking bool variables
Problem Details: Fix warning drivers/bus/ti-sysc.c:1806 sysc_quirk_dispc() warn: masking a bool. While at it let's add a comment for what were doing to make the code a bit easier to follow. Fixes: 7324a7a0d5e2 ("bus: ti-sysc: Implement display subsystem reset quirk") Reported-by: Dan Carpenter <dan.carpenter@linaro.o...
```diff diff --git a/drivers/bus/ti-sysc.c b/drivers/bus/ti-sysc.c index 6c49de37d5e9..21fe9854703f 100644 --- a/drivers/bus/ti-sysc.c +++ b/drivers/bus/ti-sysc.c @@ -1791,7 +1791,7 @@ static u32 sysc_quirk_dispc(struct sysc *ddata, int dispc_offset, if (!ddata->module_va) return -EIO; - /* DISP_CONTROL */ + /* ...
247c8d2f9837a3e29e3b6b7a4aa9c36c37659dd4
Analyze and fix the following issue in the Linux kernel code: fs: pipe: reveal missing function protoypes
Problem Details: A couple of functions from fs/pipe.c are used both internally and for the watch queue code, but the declaration is only visible when the latter is enabled: fs/pipe.c:1254:5: error: no previous prototype for 'pipe_resize_ring' fs/pipe.c:758:15: error: no previous prototype for 'account_pipe_buffers' fs...
```diff diff --git a/include/linux/pipe_fs_i.h b/include/linux/pipe_fs_i.h index d2c3f16cf6b1..02e0086b10f6 100644 --- a/include/linux/pipe_fs_i.h +++ b/include/linux/pipe_fs_i.h @@ -261,18 +261,14 @@ void generic_pipe_buf_release(struct pipe_inode_info *, struct pipe_buffer *); extern const struct pipe_buf_operatio...
88e4607034ee49e09e32d91d083dced5c2f4f127
Analyze and fix the following issue in the Linux kernel code: coredump: require O_WRONLY instead of O_RDWR
Problem Details: The motivation for this patch has been to enable using a stricter apparmor profile to prevent programs from reading any coredump in the system. However, this became something else. The following details are based on Christian's and Linus' archeology into the history of the number "2" in the coredump h...
```diff diff --git a/fs/coredump.c b/fs/coredump.c index ece7badf701b..ead3b05fb8f4 100644 --- a/fs/coredump.c +++ b/fs/coredump.c @@ -646,7 +646,7 @@ void do_coredump(const kernel_siginfo_t *siginfo) } else { struct mnt_idmap *idmap; struct inode *inode; - int open_flags = O_CREAT | O_RDWR | O_NOFOLLOW | + i...
11164bc39459335ab93c6e99d53b7e4292fba38b
Analyze and fix the following issue in the Linux kernel code: can: kvaser_pciefd: Disable interrupts in probe error path
Problem Details: Disable interrupts in error path of probe function. Fixes: 26ad340e582d ("can: kvaser_pciefd: Add driver for Kvaser PCIEcan devices") Cc: stable@vger.kernel.org Signed-off-by: Jimmy Assarsson <extja@kvaser.com> Link: https://lore.kernel.org/r/20230516134318.104279-7-extja@kvaser.com Signed-off-by: Mar...
```diff diff --git a/drivers/net/can/kvaser_pciefd.c b/drivers/net/can/kvaser_pciefd.c index 4fafb7658349..be189edb256c 100644 --- a/drivers/net/can/kvaser_pciefd.c +++ b/drivers/net/can/kvaser_pciefd.c @@ -1861,6 +1861,8 @@ static int kvaser_pciefd_probe(struct pci_dev *pdev, return 0; err_free_irq: + /* Disable ...
262d7a52ba27525e3c1203230c9f0524e48bbb34
Analyze and fix the following issue in the Linux kernel code: can: kvaser_pciefd: Do not send EFLUSH command on TFD interrupt
Problem Details: Under certain circumstances we send two EFLUSH commands, resulting in two EFLUSH ack packets, while only expecting a single EFLUSH ack. This can cause the driver Tx flush completion to get out of sync. To avoid this problem, don't enable the "Transmit buffer flush done" (TFD) interrupt and remove the ...
```diff diff --git a/drivers/net/can/kvaser_pciefd.c b/drivers/net/can/kvaser_pciefd.c index 0e03c1cd47b3..4fafb7658349 100644 --- a/drivers/net/can/kvaser_pciefd.c +++ b/drivers/net/can/kvaser_pciefd.c @@ -531,7 +531,7 @@ static int kvaser_pciefd_set_tx_irq(struct kvaser_pciefd_can *can) KVASER_PCIEFD_KCAN_IRQ...
c589557dd1426f5adf90c7a919d4fde5a3e4ef64
Analyze and fix the following issue in the Linux kernel code: can: kvaser_pciefd: Empty SRB buffer in probe
Problem Details: Empty the "Shared receive buffer" (SRB) in probe, to assure we start in a known state, and don't process any irrelevant packets. Fixes: 26ad340e582d ("can: kvaser_pciefd: Add driver for Kvaser PCIEcan devices") Cc: stable@vger.kernel.org Signed-off-by: Jimmy Assarsson <extja@kvaser.com> Link: https://...
```diff diff --git a/drivers/net/can/kvaser_pciefd.c b/drivers/net/can/kvaser_pciefd.c index 4b8591d48735..0e03c1cd47b3 100644 --- a/drivers/net/can/kvaser_pciefd.c +++ b/drivers/net/can/kvaser_pciefd.c @@ -71,10 +71,12 @@ MODULE_DESCRIPTION("CAN driver for Kvaser CAN/PCIe devices"); #define KVASER_PCIEFD_SYSID_BUILD_...
84762d8da89d29ba842317eb842973e628c27391
Analyze and fix the following issue in the Linux kernel code: can: kvaser_pciefd: Call request_irq() before enabling interrupts
Problem Details: Make sure the interrupt handler is registered before enabling interrupts. Fixes: 26ad340e582d ("can: kvaser_pciefd: Add driver for Kvaser PCIEcan devices") Cc: stable@vger.kernel.org Signed-off-by: Jimmy Assarsson <extja@kvaser.com> Link: https://lore.kernel.org/r/20230516134318.104279-4-extja@kvaser....
```diff diff --git a/drivers/net/can/kvaser_pciefd.c b/drivers/net/can/kvaser_pciefd.c index cdc894d12885..4b8591d48735 100644 --- a/drivers/net/can/kvaser_pciefd.c +++ b/drivers/net/can/kvaser_pciefd.c @@ -1827,6 +1827,11 @@ static int kvaser_pciefd_probe(struct pci_dev *pdev, if (err) goto err_teardown_can_ctrls...
bf7ac55e991ca177f1ac16be51152f1ef291a4df
Analyze and fix the following issue in the Linux kernel code: can: kvaser_pciefd: Clear listen-only bit if not explicitly requested
Problem Details: The listen-only bit was never cleared, causing the controller to always use listen-only mode, if previously set. Fixes: 26ad340e582d ("can: kvaser_pciefd: Add driver for Kvaser PCIEcan devices") Cc: stable@vger.kernel.org Signed-off-by: Jimmy Assarsson <extja@kvaser.com> Link: https://lore.kernel.org/...
```diff diff --git a/drivers/net/can/kvaser_pciefd.c b/drivers/net/can/kvaser_pciefd.c index 867b421b9506..cdc894d12885 100644 --- a/drivers/net/can/kvaser_pciefd.c +++ b/drivers/net/can/kvaser_pciefd.c @@ -554,6 +554,8 @@ static void kvaser_pciefd_setup_controller(struct kvaser_pciefd_can *can) if (can->can.ctrlmo...
aed0e6ca7dbb8fbea9bc69c9ac663d5533c8c5d8
Analyze and fix the following issue in the Linux kernel code: can: kvaser_pciefd: Set CAN_STATE_STOPPED in kvaser_pciefd_stop()
Problem Details: Set can.state to CAN_STATE_STOPPED in kvaser_pciefd_stop(). Without this fix, wrong CAN state was repported after the interface was brought down. Fixes: 26ad340e582d ("can: kvaser_pciefd: Add driver for Kvaser PCIEcan devices") Cc: stable@vger.kernel.org Signed-off-by: Jimmy Assarsson <extja@kvaser.co...
```diff diff --git a/drivers/net/can/kvaser_pciefd.c b/drivers/net/can/kvaser_pciefd.c index 53e8a914c88b..867b421b9506 100644 --- a/drivers/net/can/kvaser_pciefd.c +++ b/drivers/net/can/kvaser_pciefd.c @@ -719,6 +719,7 @@ static int kvaser_pciefd_stop(struct net_device *netdev) iowrite32(0, can->reg_base + KVASER_P...
bd0e450371efa69b985b801c5c67d6faac4d05a7
Analyze and fix the following issue in the Linux kernel code: ARM: dts: ux500: Fix STMPE device nodes
Problem Details: The STMPE device nodes need to be augmented to fit with current naming policies. Signed-off-by: Linus Walleij <linus.walleij@linaro.org> Link: https://lore.kernel.org/r/20230508070811.965762-1-linus.walleij@linaro.org
```diff diff --git a/arch/arm/boot/dts/ste-href-stuib.dtsi b/arch/arm/boot/dts/ste-href-stuib.dtsi index e32d0c36feb8..79c2be36acae 100644 --- a/arch/arm/boot/dts/ste-href-stuib.dtsi +++ b/arch/arm/boot/dts/ste-href-stuib.dtsi @@ -30,12 +30,11 @@ soc { i2c@80004000 { - stmpe1601: stmpe1601@40 { + stmpe1601: ...
38de368a66360f1859428d5e191b45bd01c20786
Analyze and fix the following issue in the Linux kernel code: dmaengine: ti: k3-udma: annotate pm function with __maybe_unused
Problem Details: We get a warning when PM is not set: ../drivers/dma/ti/k3-udma.c:5552:12: warning: 'udma_pm_resume' defined but not used [-Wunused-function] 5552 | static int udma_pm_resume(struct device *dev) | ^~~~~~~~~~~~~~ ../drivers/dma/ti/k3-udma.c:5530:12: warning: 'udma_pm_suspend' defined b...
```diff diff --git a/drivers/dma/ti/k3-udma.c b/drivers/dma/ti/k3-udma.c index fc3a2a05ab7b..b8329a23728d 100644 --- a/drivers/dma/ti/k3-udma.c +++ b/drivers/dma/ti/k3-udma.c @@ -5527,7 +5527,7 @@ static int udma_probe(struct platform_device *pdev) return ret; } -static int udma_pm_suspend(struct device *dev) +sta...
0642287e3ecdd0d1f88e6a2e63768e16153a990c
Analyze and fix the following issue in the Linux kernel code: dmaengine: idxd: Fix passing freed memory in idxd_cdev_open()
Problem Details: Smatch warns: drivers/dma/idxd/cdev.c:327: idxd_cdev_open() warn: 'sva' was already freed. When idxd_wq_set_pasid() fails, the current code unbinds sva and then goes to 'failed_set_pasid' where iommu_sva_unbind_device is called again causing the above warning. [ device_user_pasid_enabled(idxd) is s...
```diff diff --git a/drivers/dma/idxd/cdev.c b/drivers/dma/idxd/cdev.c index ecbf67c2ad2b..d32deb9b4e3d 100644 --- a/drivers/dma/idxd/cdev.c +++ b/drivers/dma/idxd/cdev.c @@ -277,7 +277,6 @@ static int idxd_cdev_open(struct inode *inode, struct file *filp) if (wq_dedicated(wq)) { rc = idxd_wq_set_pasid(wq, pasid...
212457ccbd60dba34f965e4ffbe62f0e4f970538
Analyze and fix the following issue in the Linux kernel code: wifi: b43: fix incorrect __packed annotation
Problem Details: clang warns about an unpacked structure inside of a packed one: drivers/net/wireless/broadcom/b43/b43.h:654:4: error: field data within 'struct b43_iv' is less aligned than 'union (unnamed union at /home/arnd/arm-soc/drivers/net/wireless/broadcom/b43/b43.h:651:2)' and is usually due to 'struct b43_iv'...
```diff diff --git a/drivers/net/wireless/broadcom/b43/b43.h b/drivers/net/wireless/broadcom/b43/b43.h index 9fc7c088a539..67b4bac048e5 100644 --- a/drivers/net/wireless/broadcom/b43/b43.h +++ b/drivers/net/wireless/broadcom/b43/b43.h @@ -651,7 +651,7 @@ struct b43_iv { union { __be16 d16; __be32 d32; - } data ...
cb0ddaaa5db09d7d216fcbf0e68779be223a1128
Analyze and fix the following issue in the Linux kernel code: wifi: rtw88: sdio: Always use two consecutive bytes for word operations
Problem Details: The Allwinner sunxi-mmc controller cannot handle word (16 bit) transfers. So and sdio_{read,write}w fails with messages like the following example using an RTL8822BS (but the same problems were also observed with RTL8822CS and RTL8723DS chips): rtw_8822bs mmc1:0001:1: Firmware version 27.2.0, H2C ver...
```diff diff --git a/drivers/net/wireless/realtek/rtw88/sdio.c b/drivers/net/wireless/realtek/rtw88/sdio.c index af0459a79899..06fce7c3adda 100644 --- a/drivers/net/wireless/realtek/rtw88/sdio.c +++ b/drivers/net/wireless/realtek/rtw88/sdio.c @@ -87,11 +87,6 @@ static void rtw_sdio_writew(struct rtw_dev *rtwdev, u16 va...
cff36398bd4c7d322d424433db437f3c3391c491
Analyze and fix the following issue in the Linux kernel code: bpf: drop unnecessary user-triggerable WARN_ONCE in verifierl log
Problem Details: It's trivial for user to trigger "verifier log line truncated" warning, as verifier has a fixed-sized buffer of 1024 bytes (as of now), and there are at least two pieces of user-provided information that can be output through this buffer, and both can be arbitrarily sized by user: - BTF names; - BT...
```diff diff --git a/kernel/bpf/log.c b/kernel/bpf/log.c index 046ddff37a76..850494423530 100644 --- a/kernel/bpf/log.c +++ b/kernel/bpf/log.c @@ -62,9 +62,6 @@ void bpf_verifier_vlog(struct bpf_verifier_log *log, const char *fmt, n = vscnprintf(log->kbuf, BPF_VERIFIER_TMP_LOG_SIZE, fmt, args); - WARN_ONCE(n >= B...
de58ef414d8d7a0a635cd331b3b013d8216c4e60
Analyze and fix the following issue in the Linux kernel code: selftests/bpf: Fix s390 sock_field test failure
Problem Details: llvm patch [1] enabled cross-function optimization for func arguments (ArgumentPromotion) at -O2 level. And this caused s390 sock_fields test failure ([2]). The failure is gone right now as patch [1] was reverted in [3]. But it is possible that patch [3] will be reverted again and then the test failure...
```diff diff --git a/tools/testing/selftests/bpf/progs/test_sock_fields.c b/tools/testing/selftests/bpf/progs/test_sock_fields.c index bbad3c2d9aa5..f75e531bf36f 100644 --- a/tools/testing/selftests/bpf/progs/test_sock_fields.c +++ b/tools/testing/selftests/bpf/progs/test_sock_fields.c @@ -265,7 +265,10 @@ static __noi...
e7480a44d7c4ce4691fa6bcdb0318f0d81fe4b12
Analyze and fix the following issue in the Linux kernel code: Revert "net: Remove low_thresh in ip defrag"
Problem Details: This reverts commit b2cbac9b9b28730e9e53be20b6cdf979d3b9f27e. We have multiple reports of obvious breakage from this patch. Reported-by: Ido Schimmel <idosch@idosch.org> Link: https://lore.kernel.org/all/ZGIRWjNcfqI8yY8W@shredder/ Link: https://lore.kernel.org/all/CADJHv_sDK=0RrMA2FTZQV5fw7UQ+qY=HG21...
```diff diff --git a/Documentation/networking/nf_conntrack-sysctl.rst b/Documentation/networking/nf_conntrack-sysctl.rst index 9ca356bc7217..8b1045c3b59e 100644 --- a/Documentation/networking/nf_conntrack-sysctl.rst +++ b/Documentation/networking/nf_conntrack-sysctl.rst @@ -55,7 +55,6 @@ nf_conntrack_frag6_high_thresh ...
d6352dae0903fe8beae4c007dc320e9e9f1fed45
Analyze and fix the following issue in the Linux kernel code: devlink: Fix crash with CONFIG_NET_NS=n
Problem Details: '__net_initdata' becomes a no-op with CONFIG_NET_NS=y, but when this option is disabled it becomes '__initdata', which means the data can be freed after the initialization phase. This annotation is obviously incorrect for the devlink net device notifier block which is still registered after the initial...
```diff diff --git a/net/devlink/core.c b/net/devlink/core.c index 0e58eee44bdb..c23ebabadc52 100644 --- a/net/devlink/core.c +++ b/net/devlink/core.c @@ -294,7 +294,7 @@ static struct pernet_operations devlink_pernet_ops __net_initdata = { .pre_exit = devlink_pernet_pre_exit, }; -static struct notifier_block devl...
4e81a6cba517cb33584308a331f14f5e3fec369b
Analyze and fix the following issue in the Linux kernel code: scsi: storvsc: Don't pass unused PFNs to Hyper-V host
Problem Details: In a SCSI request, storvsc pre-allocates space for up to MAX_PAGE_BUFFER_COUNT physical frame numbers to be passed to Hyper-V. If the size of the I/O request requires more PFNs, a separate memory area of exactly the correct size is dynamically allocated. But when the pre-allocated area is used, curre...
```diff diff --git a/drivers/scsi/storvsc_drv.c b/drivers/scsi/storvsc_drv.c index d9ce379c4d2e..e6bc622954cf 100644 --- a/drivers/scsi/storvsc_drv.c +++ b/drivers/scsi/storvsc_drv.c @@ -1780,7 +1780,7 @@ static int storvsc_queuecommand(struct Scsi_Host *host, struct scsi_cmnd *scmnd) length = scsi_bufflen(scmnd); ...
75e5fab7db0cecb6e16b22c34608f0b40a4c7cd1
Analyze and fix the following issue in the Linux kernel code: ASoC: lpass: Fix for KASAN use_after_free out of bounds
Problem Details: When we run syzkaller we get below Out of Bounds error. "KASAN: slab-out-of-bounds Read in regcache_flat_read" Below is the backtrace of the issue: BUG: KASAN: slab-out-of-bounds in regcache_flat_read+0x10c/0x110 Read of size 4 at addr ffffff8088fbf714 by task syz-executor.4/14144 CPU: 6 PID: 14144 ...
```diff diff --git a/sound/soc/codecs/lpass-tx-macro.c b/sound/soc/codecs/lpass-tx-macro.c index da6fcf7f0991..de978c3d70b7 100644 --- a/sound/soc/codecs/lpass-tx-macro.c +++ b/sound/soc/codecs/lpass-tx-macro.c @@ -746,6 +746,8 @@ static int tx_macro_put_dec_enum(struct snd_kcontrol *kcontrol, struct tx_macro *tx = s...
37f1663c91934f664fb850306708094a324c227c
Analyze and fix the following issue in the Linux kernel code: scsi: qla2xxx: Replace all non-returning strlcpy() with strscpy()
Problem Details: strlcpy() reads the entire source buffer first. This read may exceed the destination size limit. This is both inefficient and can lead to linear read overflows if a source string is not NUL-terminated [1]. In an effort to remove strlcpy() completely [2], replace strlcpy() here with strscpy(). No ret...
```diff diff --git a/drivers/scsi/qla2xxx/qla_init.c b/drivers/scsi/qla2xxx/qla_init.c index 0df6eae7324e..a2d48d6b1dfc 100644 --- a/drivers/scsi/qla2xxx/qla_init.c +++ b/drivers/scsi/qla2xxx/qla_init.c @@ -5076,7 +5076,7 @@ qla2x00_set_model_info(scsi_qla_host_t *vha, uint8_t *model, size_t len, if (use_tbl && ...
41300cc989c26ef2429ae8225b3b42dfc6b6036e
Analyze and fix the following issue in the Linux kernel code: scsi: qla4xxx: Replace all non-returning strlcpy() with strscpy()
Problem Details: strlcpy() reads the entire source buffer first. This read may exceed the destination size limit. This is both inefficient and can lead to linear read overflows if a source string is not NUL-terminated [1]. In an effort to remove strlcpy() completely [2], replace strlcpy() here with strscpy(). No ret...
```diff diff --git a/drivers/scsi/qla4xxx/ql4_mbx.c b/drivers/scsi/qla4xxx/ql4_mbx.c index cd71074f3abe..249f1d7021d4 100644 --- a/drivers/scsi/qla4xxx/ql4_mbx.c +++ b/drivers/scsi/qla4xxx/ql4_mbx.c @@ -1611,8 +1611,8 @@ int qla4xxx_get_chap(struct scsi_qla_host *ha, char *username, char *password, goto exit_get_cha...
0871237a946e2b16e82048d92d69058fddb9172a
Analyze and fix the following issue in the Linux kernel code: scsi: target: Replace all non-returning strlcpy() with strscpy()
Problem Details: strlcpy() reads the entire source buffer first. This read may exceed the destination size limit. This is both inefficient and can lead to linear read overflows if a source string is not NUL-terminated [1]. In an effort to remove strlcpy() completely [2], replace strlcpy() here with strscpy(). No ret...
```diff diff --git a/drivers/target/iscsi/iscsi_target_parameters.c b/drivers/target/iscsi/iscsi_target_parameters.c index 557516c642c3..5b90c22ee3dc 100644 --- a/drivers/target/iscsi/iscsi_target_parameters.c +++ b/drivers/target/iscsi/iscsi_target_parameters.c @@ -726,8 +726,8 @@ static int iscsi_add_notunderstood_re...
973464fded698881d48c6439f9d9912d61819bd1
Analyze and fix the following issue in the Linux kernel code: scsi: bfa: Replace all non-returning strlcpy() with strscpy()
Problem Details: strlcpy() reads the entire source buffer first. This read may exceed the destination size limit. This is both inefficient and can lead to linear read overflows if a source string is not NUL-terminated [1]. In an effort to remove strlcpy() completely [2], replace strlcpy() here with strscpy(). No ret...
```diff diff --git a/drivers/scsi/bfa/bfa_fcbuild.c b/drivers/scsi/bfa/bfa_fcbuild.c index df18d9d2af53..773c84af784c 100644 --- a/drivers/scsi/bfa/bfa_fcbuild.c +++ b/drivers/scsi/bfa/bfa_fcbuild.c @@ -1134,7 +1134,7 @@ fc_rspnid_build(struct fchs_s *fchs, void *pyld, u32 s_id, u16 ox_id, memset(rspnid, 0, sizeof(st...
15a1cd245d5b3cc6cf42ca9ceacf9a6dfc2e33b4
Analyze and fix the following issue in the Linux kernel code: regulator: tps6287x: Fix missing .n_voltages setting
Problem Details: Otherwise, regulator_list_voltage() will return -EINVAL. Signed-off-by: Axel Lin <axel.lin@ingics.com Link: https://lore.kernel.org/r/20230516082333.466429-1-axel.lin@ingics.com Signed-off-by: Mark Brown <broonie@kernel.org
```diff diff --git a/drivers/regulator/tps6287x-regulator.c b/drivers/regulator/tps6287x-regulator.c index d7fc82175493..870e63ce3ff2 100644 --- a/drivers/regulator/tps6287x-regulator.c +++ b/drivers/regulator/tps6287x-regulator.c @@ -119,6 +119,7 @@ static struct regulator_desc tps6287x_reg = { .ramp_mask = TPS6287X...
35f8a9d87ca4f920526e6063df570490b41295fc
Analyze and fix the following issue in the Linux kernel code: ASoC: tegra: tegra210_adx: fix snd_pcm_format_t type
Problem Details: use snd_pcm_format_t instead of unsigned int to fix the following sparse warnings: sound/soc/tegra/tegra210_adx.c:125:14: sparse: warning: restricted snd_pcm_format_t degrades to integer sound/soc/tegra/tegra210_adx.c:128:14: sparse: warning: restricted snd_pcm_format_t degrades to integer sound/soc/t...
```diff diff --git a/sound/soc/tegra/tegra210_adx.c b/sound/soc/tegra/tegra210_adx.c index 41117c1d61fb..bd0b10c70c4c 100644 --- a/sound/soc/tegra/tegra210_adx.c +++ b/sound/soc/tegra/tegra210_adx.c @@ -109,7 +109,7 @@ static int __maybe_unused tegra210_adx_runtime_resume(struct device *dev) static int tegra210_adx_...
c0328cc595124579328462fc45d7a29a084cf357
Analyze and fix the following issue in the Linux kernel code: scsi: hisi_sas: Fix warnings detected by sparse
Problem Details: This patch fixes the following warning: drivers/scsi/hisi_sas/hisi_sas_v3_hw.c:2168:43: sparse: sparse: restricted __le32 degrades to integer Reported-by: kernel test robot <lkp@intel.com> Link: https://lore.kernel.org/oe-kbuild-all/202304161254.NztCVZIO-lkp@intel.com/ Signed-off-by: Xingui Yang <yan...
```diff diff --git a/drivers/scsi/hisi_sas/hisi_sas_v3_hw.c b/drivers/scsi/hisi_sas/hisi_sas_v3_hw.c index 3d1869c4cb10..20e1607c6282 100644 --- a/drivers/scsi/hisi_sas/hisi_sas_v3_hw.c +++ b/drivers/scsi/hisi_sas/hisi_sas_v3_hw.c @@ -2216,6 +2216,7 @@ slot_err_v3_hw(struct hisi_hba *hisi_hba, struct sas_task *task, ...
72a81bb0b6fc9b759ac0fdaca3ec5884a8b2f304
Analyze and fix the following issue in the Linux kernel code: scsi: ufs: core: Fix MCQ nr_hw_queues
Problem Details: Since MAXQ is 0-based value, add one to obtain number of hardware queues. Signed-off-by: Po-Wen Kao <powen.kao@mediatek.com> Link: https://lore.kernel.org/r/20230504154454.26654-4-powen.kao@mediatek.com Reviewed-by: Bean Huo <beanhuo@micron.com> Reviewed-by: Manivannan Sadhasivam <mani@kernel.org> Rev...
```diff diff --git a/drivers/ufs/core/ufs-mcq.c b/drivers/ufs/core/ufs-mcq.c index 937933d3f77c..51b3c6ae781d 100644 --- a/drivers/ufs/core/ufs-mcq.c +++ b/drivers/ufs/core/ufs-mcq.c @@ -150,7 +150,8 @@ static int ufshcd_mcq_config_nr_queues(struct ufs_hba *hba) u32 hba_maxq, rem, tot_queues; struct Scsi_Host *host...
5149452ca66289ef33d13897ee845a2f6f5b680f
Analyze and fix the following issue in the Linux kernel code: scsi: ufs: core: Fix MCQ tag calculation
Problem Details: The transfer command descriptor is allocated in ufshcd_memory_alloc() and referenced by the transfer request descriptor with stride size sizeof_utp_transfer_cmd_desc() instead of sizeof(struct utp_transfer_cmd_desc). Consequently, computing tag by address offset should also refer to the same stride. ...
```diff diff --git a/drivers/ufs/core/ufs-mcq.c b/drivers/ufs/core/ufs-mcq.c index 202ff71e1b58..b7c5f39b50e6 100644 --- a/drivers/ufs/core/ufs-mcq.c +++ b/drivers/ufs/core/ufs-mcq.c @@ -265,7 +265,7 @@ static int ufshcd_mcq_get_tag(struct ufs_hba *hba, addr = (le64_to_cpu(cqe->command_desc_base_addr) & CQE_UCD_BA) -...
866422cdddcdf59d8c68e9472d49ba1be29b5fcf
Analyze and fix the following issue in the Linux kernel code: RDMA/efa: Fix unsupported page sizes in device
Problem Details: Device uses 4KB size blocks for user pages indirect list while the driver creates those blocks with the size of PAGE_SIZE of the kernel. On kernels with PAGE_SIZE different than 4KB (ARM RHEL), this leads to a failure on register MR with indirect list because of the miss communication between driver an...
```diff diff --git a/drivers/infiniband/hw/efa/efa_verbs.c b/drivers/infiniband/hw/efa/efa_verbs.c index 8eca6c14d0cf..2a195c4b0f17 100644 --- a/drivers/infiniband/hw/efa/efa_verbs.c +++ b/drivers/infiniband/hw/efa/efa_verbs.c @@ -1403,7 +1403,7 @@ static int pbl_continuous_initialize(struct efa_dev *dev, */ static ...
b5f3fe27c54b1fe77d4dd834ccd48a6d694f872e
Analyze and fix the following issue in the Linux kernel code: RDMA/rxe: Convert spin_{lock_bh,unlock_bh} to spin_{lock_irqsave,unlock_irqrestore}
Problem Details: We need to call spin_lock_irqsave()/spin_unlock_irqrestore() for state_lock in rxe, otherwsie the callchain: ib_post_send_mad -> spin_lock_irqsave -> ib_post_send -> rxe_post_send -> spin_lock_bh -> spin_unlock_bh -> spin_unlock_irqrestore Causes below traces during run block nvmeof-mp/0...
```diff diff --git a/drivers/infiniband/sw/rxe/rxe_comp.c b/drivers/infiniband/sw/rxe/rxe_comp.c index db18ace74d2b..f46c5a5fd0ae 100644 --- a/drivers/infiniband/sw/rxe/rxe_comp.c +++ b/drivers/infiniband/sw/rxe/rxe_comp.c @@ -115,15 +115,16 @@ static enum ib_wc_opcode wr_to_wc_opcode(enum ib_wr_opcode opcode) void re...
95339f40a8b652b5b1773def31e63fc53c26378a
Analyze and fix the following issue in the Linux kernel code: power: supply: Fix logic checking if system is running from battery
Problem Details: The logic used for power_supply_is_system_supplied() counts all power supplies and assumes that the system is running from AC if there is either a non-battery power-supply reporting to be online or if no power-supplies exist at all. The second rule is for desktop systems, that don't have any battery/c...
```diff diff --git a/drivers/power/supply/power_supply_core.c b/drivers/power/supply/power_supply_core.c index d1b19027f53b..3791aec69ddc 100644 --- a/drivers/power/supply/power_supply_core.c +++ b/drivers/power/supply/power_supply_core.c @@ -348,6 +348,10 @@ static int __power_supply_is_system_supplied(struct device *...
ead62aa370a81c4fb42a44c4edeafe13e0a3a703
Analyze and fix the following issue in the Linux kernel code: fortify: strscpy: Fix flipped q and p docstring typo
Problem Details: Fix typo in the strscpy() docstring where q and p were flipped. Signed-off-by: Arne Welzel <arne.welzel@corelight.com> Signed-off-by: Kees Cook <keescook@chromium.org>
```diff diff --git a/include/linux/fortify-string.h b/include/linux/fortify-string.h index c9de1f59ee80..e29df83bff8a 100644 --- a/include/linux/fortify-string.h +++ b/include/linux/fortify-string.h @@ -299,8 +299,8 @@ extern ssize_t __real_strscpy(char *, const char *, size_t) __RENAME(strscpy); * @q: Where to copy ...
17eabd6a044b57b2c1b5459eb9d11af3ea909e63
Analyze and fix the following issue in the Linux kernel code: RDMA/rxe: Fix double unlock in rxe_qp.c
Problem Details: A recent patch can cause a double spin_unlock_bh() in rxe_qp_to_attr() at line 715 in rxe_qp.c. Move the 2nd unlock into the if statement. Fixes: f605f26ea196 ("RDMA/rxe: Protect QP state with qp->state_lock") Link: https://lore.kernel.org/r/20230515201056.1591140-1-rpearsonhpe@gmail.com Reported-by: ...
```diff diff --git a/drivers/infiniband/sw/rxe/rxe_qp.c b/drivers/infiniband/sw/rxe/rxe_qp.c index c5451a4488ca..245dd36638c7 100644 --- a/drivers/infiniband/sw/rxe/rxe_qp.c +++ b/drivers/infiniband/sw/rxe/rxe_qp.c @@ -712,8 +712,9 @@ int rxe_qp_to_attr(struct rxe_qp *qp, struct ib_qp_attr *attr, int mask) if (qp->at...
6197cff30df44e4db85fed545fecb7df00ff8cd0
Analyze and fix the following issue in the Linux kernel code: drm/i915: Dump error capture to kernel log
Problem Details: This is useful for getting debug information out in certain situations, such as failing kernel selftests and CI runs that don't log error captures. It is especially useful for things like retrieving GuC logs as GuC operation can't be tracked by adding printk or ftrace entries. v2: Add CONFIG_DRM_I915_...
```diff diff --git a/drivers/gpu/drm/i915/i915_gpu_error.c b/drivers/gpu/drm/i915/i915_gpu_error.c index 566536499954..ec368e700235 100644 --- a/drivers/gpu/drm/i915/i915_gpu_error.c +++ b/drivers/gpu/drm/i915/i915_gpu_error.c @@ -2228,3 +2228,135 @@ void i915_disable_error_state(struct drm_i915_private *i915, int err)...
2a1d18a5dc5056825b8e9527d188130da6256efc
Analyze and fix the following issue in the Linux kernel code: ras/debugfs: Fix error checking for debugfs_create_dir()
Problem Details: Check the return value of debugfs_create_dir() properly. [ bp: Rewrite commit message. ] Signed-off-by: Osama Muhammad <osmtendev@gmail.com> Signed-off-by: Borislav Petkov (AMD) <bp@alien8.de> Link: https://lore.kernel.org/r/20230516182927.9171-1-osmtendev@gmail.com
```diff diff --git a/drivers/ras/debugfs.c b/drivers/ras/debugfs.c index f0a6391b1146..ffb973c328e3 100644 --- a/drivers/ras/debugfs.c +++ b/drivers/ras/debugfs.c @@ -46,7 +46,7 @@ int __init ras_add_daemon_trace(void) fentry = debugfs_create_file("daemon_active", S_IRUSR, ras_debugfs_dir, NULL, &trace_fo...
bd415b5c9552d44069d4e7c1e018b6d42f25af9e
Analyze and fix the following issue in the Linux kernel code: Documentation/filesystems: ramfs-rootfs-initramfs: use :Author:
Problem Details: Use the :Author: markup instead of making it a chapter heading. This cleans up the table of contents for this file. Fixes: 7f46a240b0a1 ("[PATCH] ramfs, rootfs, and initramfs docs") Signed-off-by: Randy Dunlap <rdunlap@infradead.org> Cc: Rob Landley <rob@landley.net> Reviewed-by: Christian Brauner <br...
```diff diff --git a/Documentation/filesystems/ramfs-rootfs-initramfs.rst b/Documentation/filesystems/ramfs-rootfs-initramfs.rst index 164960631925..447f767c6462 100644 --- a/Documentation/filesystems/ramfs-rootfs-initramfs.rst +++ b/Documentation/filesystems/ramfs-rootfs-initramfs.rst @@ -6,8 +6,7 @@ Ramfs, rootfs and...
7b38ecfdf9fbb133b4d2ea3738c02291a262abe2
Analyze and fix the following issue in the Linux kernel code: Documentation/filesystems: sharedsubtree: add section headings
Problem Details: Several of the sections are missing underlines. This makes the generated contents have missing entries, so add the underlines. Fixes: 16c01b20ae05 ("doc/filesystems: more mount cleanups") Fixes: 9cfcceea8f7e ("[PATCH] Complete description of shared subtrees.") Signed-off-by: Randy Dunlap <rdunlap@infr...
```diff diff --git a/Documentation/filesystems/sharedsubtree.rst b/Documentation/filesystems/sharedsubtree.rst index d83395354250..1cf56489ed48 100644 --- a/Documentation/filesystems/sharedsubtree.rst +++ b/Documentation/filesystems/sharedsubtree.rst @@ -147,6 +147,7 @@ replicas continue to be exactly same. 3) Set...
0d8aa3212e042bfcb7011e4de841dfdea39dc4b7
Analyze and fix the following issue in the Linux kernel code: docs: quickly-build-trimmed-linux: various small fixes and improvements
Problem Details: * improve the short description of localmodconfig in the step-by-step guide while fixing its broken first sentence * briefly mention immutable Linux distributions * use '--shallow-exclude=v6.0' throughout the document * instead of "git reset --hard; git checkout ..." use "git checkout --force .....
```diff diff --git a/Documentation/admin-guide/quickly-build-trimmed-linux.rst b/Documentation/admin-guide/quickly-build-trimmed-linux.rst index ff4f4cc8522b..f08149bc53f8 100644 --- a/Documentation/admin-guide/quickly-build-trimmed-linux.rst +++ b/Documentation/admin-guide/quickly-build-trimmed-linux.rst @@ -215,12 +2...
3b44ec8c5c44790a82f07e90db45643c762878c6
Analyze and fix the following issue in the Linux kernel code: ALSA: hda: Fix Oops by 9.1 surround channel names
Problem Details: get_line_out_pfx() may trigger an Oops by overflowing the static array with more than 8 channels. This was reported for MacBookPro 12,1 with Cirrus codec. As a workaround, extend for the 9.1 channels and also fix the potential Oops by unifying the code paths accessing the same array with the proper s...
```diff diff --git a/sound/pci/hda/hda_generic.c b/sound/pci/hda/hda_generic.c index fc114e522480..dbf7aa88e0e3 100644 --- a/sound/pci/hda/hda_generic.c +++ b/sound/pci/hda/hda_generic.c @@ -1155,8 +1155,8 @@ static bool path_has_mixer(struct hda_codec *codec, int path_idx, int ctl_type) return path && path->ctls[ctl...
9dde12767aa19696a7fb28b2320119b87fb9d299
Analyze and fix the following issue in the Linux kernel code: perf metrics: Avoid segv with --topdown for metrics without a group
Problem Details: Some metrics may not have a metric_group which can result in segvs with "perf stat --topdown". Add a condition for the no metric_group case. Fixes: 1647cd5b8802698f ("perf stat: Implement --topdown using json metrics") Reported-by: Kan Liang <kan.liang@linux.intel.com> Signed-off-by: Ian Rogers <iroge...
```diff diff --git a/tools/perf/util/metricgroup.c b/tools/perf/util/metricgroup.c index 4e7d41d285b4..5e9c657dd3f7 100644 --- a/tools/perf/util/metricgroup.c +++ b/tools/perf/util/metricgroup.c @@ -1672,7 +1672,7 @@ static int metricgroup__topdown_max_level_callback(const struct pmu_metric *pm, { unsigned int *max_...
098abbd48ec1accf111dde50a2a5392f2a15f59c
Analyze and fix the following issue in the Linux kernel code: mac80211_hwsim: fix memory leak in hwsim_new_radio_nl
Problem Details: When parse_pmsr_capa failed in hwsim_new_radio_nl, the memory resources applied for by pmsr_capa are not released. Add release processing to the incorrect path. Fixes: 92d13386ec55 ("mac80211_hwsim: add PMSR capability support") Reported-by: syzbot+904ce6fbb38532d9795c@syzkaller.appspotmail.com Signed...
```diff diff --git a/drivers/net/wireless/virtual/mac80211_hwsim.c b/drivers/net/wireless/virtual/mac80211_hwsim.c index 9a8faaf4c6b6..89c7a1420381 100644 --- a/drivers/net/wireless/virtual/mac80211_hwsim.c +++ b/drivers/net/wireless/virtual/mac80211_hwsim.c @@ -5964,10 +5964,11 @@ static int hwsim_new_radio_nl(struct ...
a8938bc881d2a03f9b77f19fae924fe798a01285
Analyze and fix the following issue in the Linux kernel code: wifi: iwlwifi: mvm: Add locking to the rate read flow
Problem Details: The rs_drv_get_rate flow reads the lq_sta to return the optimal rate for tx frames. This read flow is not protected thereby leaving a small window, a few instructions wide, open to contention by an asynchronous rate update. Indeed this race condition was hit and the update occurred in the middle of the...
```diff diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/rs.c b/drivers/net/wireless/intel/iwlwifi/mvm/rs.c index a4c1e3bf4ff1..23266d0c9ce4 100644 --- a/drivers/net/wireless/intel/iwlwifi/mvm/rs.c +++ b/drivers/net/wireless/intel/iwlwifi/mvm/rs.c @@ -2691,6 +2691,8 @@ static void rs_drv_get_rate(void *mvm_r, struct...
682b6dc29d98e857e6ca4bbc077c7dc2899b7473
Analyze and fix the following issue in the Linux kernel code: wifi: iwlwifi: mvm: don't trust firmware n_channels
Problem Details: If the firmware sends us a corrupted MCC response with n_channels much larger than the command response can be, we might copy far too much (uninitialized) memory and even crash if the n_channels is large enough to make it run out of the one page allocated for the FW response. Fix that by checking the ...
```diff diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/nvm.c b/drivers/net/wireless/intel/iwlwifi/mvm/nvm.c index 6d18a1fd649b..fdf60afb0f3f 100644 --- a/drivers/net/wireless/intel/iwlwifi/mvm/nvm.c +++ b/drivers/net/wireless/intel/iwlwifi/mvm/nvm.c @@ -445,6 +445,11 @@ iwl_mvm_update_mcc(struct iwl_mvm *mvm, cons...
d0246a0e49efee0f8649d0e4f2350614cdfe6565
Analyze and fix the following issue in the Linux kernel code: wifi: iwlwifi: mvm: fix OEM's name in the tas approved list
Problem Details: Fix a spelling mistake. Fixes: 2856f623ce48 ("iwlwifi: mvm: Add list of OEMs allowed to use TAS") Signed-off-by: Alon Giladi <alon.giladi@intel.com> Signed-off-by: Gregory Greenman <gregory.greenman@intel.com> Link: https://lore.kernel.org/r/20230514120631.4090de6d1878.If9391ef6da78f1b2cc5eb6cb8f69658...
```diff diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/fw.c b/drivers/net/wireless/intel/iwlwifi/mvm/fw.c index e2573a9d6f27..205c09bc9863 100644 --- a/drivers/net/wireless/intel/iwlwifi/mvm/fw.c +++ b/drivers/net/wireless/intel/iwlwifi/mvm/fw.c @@ -1091,7 +1091,7 @@ static const struct dmi_system_id dmi_tas_appro...
eca7296d9a671e9961834d2ace9cc0ce21fc15b3
Analyze and fix the following issue in the Linux kernel code: wifi: iwlwifi: fix OEM's name in the ppag approved list
Problem Details: Fix a spelling mistake. Fixes: e8e10a37c51c ("iwlwifi: acpi: move ppag code from mvm to fw/acpi") Signed-off-by: Alon Giladi <alon.giladi@intel.com> Signed-off-by: Gregory Greenman <gregory.greenman@intel.com> Link: https://lore.kernel.org/r/20230514120631.fdd07f36a8bf.I223e5fb16ab5c95d504c3fdaffd0bd7...
```diff diff --git a/drivers/net/wireless/intel/iwlwifi/fw/acpi.c b/drivers/net/wireless/intel/iwlwifi/fw/acpi.c index 5f4a51310add..cb9181f05501 100644 --- a/drivers/net/wireless/intel/iwlwifi/fw/acpi.c +++ b/drivers/net/wireless/intel/iwlwifi/fw/acpi.c @@ -38,7 +38,7 @@ static const struct dmi_system_id dmi_ppag_appr...
e234c36290430a833aa87532a7740fef031c2c85
Analyze and fix the following issue in the Linux kernel code: wifi: iwlwifi: mvm: fix initialization of a return value
Problem Details: In iwl_mvm_mld_update_sta(), if the flow doesn't enter for_each_sta_active_link(), the default value is returned. Set this default to -EINVAL instead of 0 to better reflect this. Signed-off-by: Mukesh Sisodiya <mukesh.sisodiya@intel.com> Signed-off-by: Gregory Greenman <gregory.greenman@intel.com> Lin...
```diff diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/mld-sta.c b/drivers/net/wireless/intel/iwlwifi/mvm/mld-sta.c index 19f1545b3c7e..85a4ce8449ad 100644 --- a/drivers/net/wireless/intel/iwlwifi/mvm/mld-sta.c +++ b/drivers/net/wireless/intel/iwlwifi/mvm/mld-sta.c @@ -728,7 +728,7 @@ int iwl_mvm_mld_update_sta(st...
6818266283d191549afa87ac5d7b86635a5fb105
Analyze and fix the following issue in the Linux kernel code: wifi: iwlwifi: mvm: fix access to fw_id_to_mac_id
Problem Details: RCU protected fw_id_to_mac_id can be initialized with either an error code or NULL. Thus, after dereferencing need to check the value with IS_ERR_OR_NULL() and not only that it is not NULL. Fix it. Signed-off-by: Gregory Greenman <gregory.greenman@intel.com> Link: https://lore.kernel.org/r/20230514120...
```diff diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/ftm-initiator.c b/drivers/net/wireless/intel/iwlwifi/mvm/ftm-initiator.c index 3963a0d4ed04..652a603c4500 100644 --- a/drivers/net/wireless/intel/iwlwifi/mvm/ftm-initiator.c +++ b/drivers/net/wireless/intel/iwlwifi/mvm/ftm-initiator.c @@ -526,6 +526,11 @@ iwl_...
d3ae69180bbd74bcbc03a2b6d10ed7eccbe98c23
Analyze and fix the following issue in the Linux kernel code: wifi: iwlwifi: fw: fix DBGI dump
Problem Details: The DBGI dump is (unsurprisingly) of type DBGI, not SRAM. This leads to bad register accesses because the union is built differently, there's no allocation ID, and thus the allocation ID ends up being 0x8000. Note that this was already wrong for DRAM vs. SMEM since they use different parts of the unio...
```diff diff --git a/drivers/net/wireless/intel/iwlwifi/fw/dbg.c b/drivers/net/wireless/intel/iwlwifi/fw/dbg.c index d9faaae01abd..55219974b92b 100644 --- a/drivers/net/wireless/intel/iwlwifi/fw/dbg.c +++ b/drivers/net/wireless/intel/iwlwifi/fw/dbg.c @@ -1664,14 +1664,10 @@ static __le32 iwl_get_mon_reg(struct iwl_fw_r...
204bfec9168ddd869a05e7f70dc5b0a9ae513722
Analyze and fix the following issue in the Linux kernel code: wifi: iwlwifi: mvm: fix number of concurrent link checks
Problem Details: The concurrent link checks need to correctly differentiate between AP and non-AP, fix that. Signed-off-by: Johannes Berg <johannes.berg@intel.com> Signed-off-by: Gregory Greenman <gregory.greenman@intel.com> Link: https://lore.kernel.org/r/20230514120631.992b2f981ef6.I7d386c19354e9be39c4822f436dd22c93...
```diff diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/link.c b/drivers/net/wireless/intel/iwlwifi/mvm/link.c index eb828de40a3c..3814915cb1a6 100644 --- a/drivers/net/wireless/intel/iwlwifi/mvm/link.c +++ b/drivers/net/wireless/intel/iwlwifi/mvm/link.c @@ -123,11 +123,13 @@ int iwl_mvm_link_changed(struct iwl_mvm...
c2d8b7f257b2398f2d866205365895e038beca12
Analyze and fix the following issue in the Linux kernel code: wifi: iwlwifi: mvm: fix cancel_delayed_work_sync() deadlock
Problem Details: Lockdep points out that we can deadlock here by calling cancel_delayed_work_sync() because that might be already running and gotten interrupted by the NAPI soft-IRQ. Even just calling something that can sleep is wrong in this context though. Luckily, it doesn't even really matter since the things we n...
```diff diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/rxmq.c b/drivers/net/wireless/intel/iwlwifi/mvm/rxmq.c index e1d02c260e69..01432274a6da 100644 --- a/drivers/net/wireless/intel/iwlwifi/mvm/rxmq.c +++ b/drivers/net/wireless/intel/iwlwifi/mvm/rxmq.c @@ -2512,7 +2512,7 @@ void iwl_mvm_rx_mpdu_mq(struct iwl_mvm ...
783336b05f06821c9af3b057ecd5a7aa082ed973
Analyze and fix the following issue in the Linux kernel code: wifi: iwlwifi: mvm: always free dup_data
Problem Details: There are some assertions in the STA removal code that can fail, and in that case we may leak memory since we skip the freeing. Fix this by freeing the dup_data earlier in the function, we already have a check for when we free the station, and this we don't need to do it with and without MLD API, so i...
```diff diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/mac80211.c b/drivers/net/wireless/intel/iwlwifi/mvm/mac80211.c index 0f01b62357c6..1c96cf020801 100644 --- a/drivers/net/wireless/intel/iwlwifi/mvm/mac80211.c +++ b/drivers/net/wireless/intel/iwlwifi/mvm/mac80211.c @@ -3889,6 +3889,9 @@ int iwl_mvm_mac_sta_sta...
04312de4ced4b152749614e8179f3978a20a992f
Analyze and fix the following issue in the Linux kernel code: wifi: mac80211: recalc chanctx mindef before assigning
Problem Details: When we allocate a new channel context, or find an existing one that is compatible, we currently assign it to a link before its mindef is updated. This leads to strange situations, especially in link switching where you switch to an 80 MHz link and expect it to be active immediately, but the mindef is ...
```diff diff --git a/net/mac80211/chan.c b/net/mac80211/chan.c index 1b182cf9d661..77c90ed8f5d7 100644 --- a/net/mac80211/chan.c +++ b/net/mac80211/chan.c @@ -871,6 +871,9 @@ static int ieee80211_assign_link_chanctx(struct ieee80211_link_data *link, } if (new_ctx) { + /* recalc considering the link we'll use it ...
b72a455a2409fd94d6d9b4eb51d659a88213243b
Analyze and fix the following issue in the Linux kernel code: wifi: mac80211: consider reserved chanctx for mindef
Problem Details: When a chanctx is reserved for a new vif and we recalculate the minimal definition for it, we need to consider the new interface it's being reserved for before we assign it, so it can be used directly with the correct min channel width. Fix the code to - optionally - consider that, and use that option...
```diff diff --git a/net/mac80211/chan.c b/net/mac80211/chan.c index d23d1a7b4cc3..1b182cf9d661 100644 --- a/net/mac80211/chan.c +++ b/net/mac80211/chan.c @@ -258,7 +258,8 @@ ieee80211_get_max_required_bw(struct ieee80211_sub_if_data *sdata, static enum nl80211_chan_width ieee80211_get_chanctx_vif_max_required_bw(s...
a23d7f5b2fbda114de60c4b53311e052281d7533
Analyze and fix the following issue in the Linux kernel code: wifi: mac80211: Abort running color change when stopping the AP
Problem Details: When stopping the AP, there might be a color change in progress. It should be deactivated here, or the driver might later finalize a color change on a stopped AP. Fixes: 5f9404abdf2a (mac80211: add support for BSS color change) Signed-off-by: Michael Lee <michael-cy.lee@mediatek.com> Link: https://lor...
```diff diff --git a/net/mac80211/cfg.c b/net/mac80211/cfg.c index c5e5f783f137..86b2036d73ff 100644 --- a/net/mac80211/cfg.c +++ b/net/mac80211/cfg.c @@ -1578,9 +1578,10 @@ static int ieee80211_stop_ap(struct wiphy *wiphy, struct net_device *dev, sdata_dereference(link->u.ap.unsol_bcast_probe_resp, sdata); ...
248e4776514bf70236e6b1a54c65aa5324c8b1eb
Analyze and fix the following issue in the Linux kernel code: wifi: mac80211: fix min center freq offset tracing
Problem Details: We need to set the correct trace variable, otherwise we're overwriting something else instead and the right one that we print later is not initialized. Fixes: b6011960f392 ("mac80211: handle channel frequency offset") Signed-off-by: Johannes Berg <johannes.berg@intel.com> Signed-off-by: Gregory Greenm...
```diff diff --git a/net/mac80211/trace.h b/net/mac80211/trace.h index de5d69f21306..db0d0132c58c 100644 --- a/net/mac80211/trace.h +++ b/net/mac80211/trace.h @@ -67,7 +67,7 @@ __entry->min_freq_offset = (c)->chan ? (c)->chan->freq_offset : 0; \ __entry->min_chan_width = (c)->width; \ __entry->min_center...
9e26f098a2a5a4c4cd327ad911ed2eb9a067a7b8
Analyze and fix the following issue in the Linux kernel code: wifi: iwlwifi: mvm: rfi: disable RFI feature
Problem Details: This feature depends on a platform bugfix. Until we have a mechanism that can verify a platform has the required bugfix, disable RFI. Fixes: ef3ed33dfc8f ("wifi: iwlwifi: bump FW API to 77 for AX devices") Reported-by: Jeff Chua <jeff.chua.linux@gmail.com> Link: https://lore.kernel.org/linux-wireless/...
```diff diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/fw.c b/drivers/net/wireless/intel/iwlwifi/mvm/fw.c index b35c96cf7ad2..e2573a9d6f27 100644 --- a/drivers/net/wireless/intel/iwlwifi/mvm/fw.c +++ b/drivers/net/wireless/intel/iwlwifi/mvm/fw.c @@ -1727,8 +1727,7 @@ int iwl_mvm_up(struct iwl_mvm *mvm) iwl_mvm_t...
13ad2b1eeacd48ec0f31f55964e6dc7dfc2c0299
Analyze and fix the following issue in the Linux kernel code: wifi: mac80211: Fix puncturing bitmap handling in __ieee80211_csa_finalize()
Problem Details: 'changed' can be OR'ed with BSS_CHANGED_EHT_PUNCTURING which is larger than an u32. So, turn 'changed' into an u64 and update ieee80211_set_after_csa_beacon() accordingly. In the commit in Fixes, only ieee80211_start_ap() was updated. Fixes: 2cc25e4b2a04 ("wifi: mac80211: configure puncturing bitmap"...
```diff diff --git a/net/mac80211/cfg.c b/net/mac80211/cfg.c index 7317e4a5d1ff..c5e5f783f137 100644 --- a/net/mac80211/cfg.c +++ b/net/mac80211/cfg.c @@ -3589,7 +3589,7 @@ void ieee80211_channel_switch_disconnect(struct ieee80211_vif *vif, bool block_t EXPORT_SYMBOL(ieee80211_channel_switch_disconnect); static int...
ef6e1997da63ad0ac3fe33153fec9524c9ae56c9
Analyze and fix the following issue in the Linux kernel code: wifi: mac80211: fortify the spinlock against deadlock by interrupt
Problem Details: In the function ieee80211_tx_dequeue() there is a particular locking sequence: begin: spin_lock(&local->queue_stop_reason_lock); q_stopped = local->queue_stop_reasons[q]; spin_unlock(&local->queue_stop_reason_lock); However small the chance (increased by ftracetest), an asynchronous interrupt can ...
```diff diff --git a/net/mac80211/tx.c b/net/mac80211/tx.c index 1a3327407552..0d9fbc8458fd 100644 --- a/net/mac80211/tx.c +++ b/net/mac80211/tx.c @@ -3791,6 +3791,7 @@ struct sk_buff *ieee80211_tx_dequeue(struct ieee80211_hw *hw, ieee80211_tx_result r; struct ieee80211_vif *vif = txq->vif; int q = vif->hw_queue[...
1b6b4ed01493b7ea2205ab83c49198f7d13ca9d2
Analyze and fix the following issue in the Linux kernel code: wifi: cfg80211: Drop entries with invalid BSSIDs in RNR
Problem Details: Ignore AP information for entries that include an invalid BSSID in the TBTT information field, e.g., all zeros BSSIDs. Fixes: c8cb5b854b40 ("nl80211/cfg80211: support 6 GHz scanning") Signed-off-by: Ilan Peer <ilan.peer@intel.com> Signed-off-by: Gregory Greenman <gregory.greenman@intel.com> Link: http...
```diff diff --git a/net/wireless/scan.c b/net/wireless/scan.c index a1382255fab3..c501db7bbdb3 100644 --- a/net/wireless/scan.c +++ b/net/wireless/scan.c @@ -5,7 +5,7 @@ * Copyright 2008 Johannes Berg <johannes@sipsolutions.net> * Copyright 2013-2014 Intel Mobile Communications GmbH * Copyright 2016 Intel Deuts...
2d2f5f1e8fd91fe848aacde28f738fb8e8d95a27
Analyze and fix the following issue in the Linux kernel code: accel/qaic: silence some uninitialized variable warnings
Problem Details: Smatch complains that these are not initialized if get_cntl_version() fails but we still print them in the debug message. Not the end of the world, but true enough. Let's just initialize them to a dummy value to make the checker happy. Fixes: c501ca23a6a3 ("accel/qaic: Add uapi and core driver file"...
```diff diff --git a/drivers/accel/qaic/qaic_drv.c b/drivers/accel/qaic/qaic_drv.c index ff80eb571729..2d0828db28d8 100644 --- a/drivers/accel/qaic/qaic_drv.c +++ b/drivers/accel/qaic/qaic_drv.c @@ -262,8 +262,8 @@ static void qaic_destroy_drm_device(struct qaic_device *qdev, s32 partition_id) static int qaic_mhi_pr...
7dcbdf29282fbcdb646dc785e8a57ed2c2fec8ba
Analyze and fix the following issue in the Linux kernel code: iavf: send VLAN offloading caps once after VFR
Problem Details: When the user disables rxvlan offloading and then changes the number of channels, all VLAN ports are unable to receive traffic. Changing the number of channels triggers a VFR reset. During re-init, when VIRTCHNL_OP_GET_OFFLOAD_VLAN_V2_CAPS is received, we do: 1 - set the IAVF_FLAG_SETUP_NETDEV_FEATURE...
```diff diff --git a/drivers/net/ethernet/intel/iavf/iavf_virtchnl.c b/drivers/net/ethernet/intel/iavf/iavf_virtchnl.c index 9afbbdac3590..7c0578b5457b 100644 --- a/drivers/net/ethernet/intel/iavf/iavf_virtchnl.c +++ b/drivers/net/ethernet/intel/iavf/iavf_virtchnl.c @@ -2238,11 +2238,6 @@ void iavf_virtchnl_completion(...
7255355a0636b4eff08d5e8139c77d98f151c4fc
Analyze and fix the following issue in the Linux kernel code: ice: Fix ice VF reset during iavf initialization
Problem Details: Fix the current implementation that causes ice_trigger_vf_reset() to start resetting the VF even when the VF-NIC is still initializing. When we reset NIC with ice driver it can interfere with iavf-vf initialization e.g. during consecutive resets induced by ice iavf ice | ...
```diff diff --git a/drivers/net/ethernet/intel/ice/ice_sriov.c b/drivers/net/ethernet/intel/ice/ice_sriov.c index f1dca59bd844..588ad8696756 100644 --- a/drivers/net/ethernet/intel/ice/ice_sriov.c +++ b/drivers/net/ethernet/intel/ice/ice_sriov.c @@ -1171,7 +1171,7 @@ int ice_set_vf_spoofchk(struct net_device *netdev, ...
ab7470bc6d8fb5f3004ccc8e4dfd49aab0f27561
Analyze and fix the following issue in the Linux kernel code: ice: Fix stats after PF reset
Problem Details: After a core PF reset, the VFs were showing wrong Rx/Tx stats. This is a regression in commit 6624e780a577 ("ice: split ice_vsi_setup into smaller functions") caused by missing to set "stat_offsets_loaded = false" in the ice_vsi_rebuild() path. Fixes: 6624e780a577 ("ice: split ice_vsi_setup into small...
```diff diff --git a/drivers/net/ethernet/intel/ice/ice_lib.c b/drivers/net/ethernet/intel/ice/ice_lib.c index 450317dfcca7..11ae0e41f518 100644 --- a/drivers/net/ethernet/intel/ice/ice_lib.c +++ b/drivers/net/ethernet/intel/ice/ice_lib.c @@ -2745,6 +2745,8 @@ ice_vsi_cfg_def(struct ice_vsi *vsi, struct ice_vsi_cfg_par...
4c84cced9304303ed1c73e35277891249e3cc2cd
Analyze and fix the following issue in the Linux kernel code: arm64: dts: allwinner: a64: add missing cache properties
Problem Details: As all level 2 and level 3 caches are unified, add required cache-unified property to fix warnings like: sun50i-a64-pine64-lts.dtb: l2-cache: 'cache-unified' is a required property Acked-by: Jernej Skrabec <jernej.skrabec@gmail.com> Link: https://lore.kernel.org/r/20230421223137.115015-1-krzysztof....
```diff diff --git a/arch/arm64/boot/dts/allwinner/sun50i-a64.dtsi b/arch/arm64/boot/dts/allwinner/sun50i-a64.dtsi index 62f45f71ec65..a9c7f82c2c66 100644 --- a/arch/arm64/boot/dts/allwinner/sun50i-a64.dtsi +++ b/arch/arm64/boot/dts/allwinner/sun50i-a64.dtsi @@ -93,6 +93,7 @@ L2: l2-cache { compatible = "cache";...
3740a577eaaa224db6e4bd3b6fdaea2fb3729814
Analyze and fix the following issue in the Linux kernel code: arm64: dts: synaptics: add missing cache properties
Problem Details: As all level 2 and level 3 caches are unified, add required cache-unified and cache-level properties to fix warnings like: berlin4ct-stb.dtb: cache: 'cache-level' is a required property berlin4ct-stb.dtb: cache: 'cache-unified' is a required property Link: https://lore.kernel.org/r/20230421223145...
```diff diff --git a/arch/arm64/boot/dts/synaptics/berlin4ct.dtsi b/arch/arm64/boot/dts/synaptics/berlin4ct.dtsi index dc12350b9fc8..53d616c3cfed 100644 --- a/arch/arm64/boot/dts/synaptics/berlin4ct.dtsi +++ b/arch/arm64/boot/dts/synaptics/berlin4ct.dtsi @@ -64,6 +64,8 @@ l2: cache { compatible = "cache"; + ...
7a242135a44d32a6a8563fc74f11d5a100b7cf0a
Analyze and fix the following issue in the Linux kernel code: arm64: dts: realtek: add missing cache properties
Problem Details: As all level 2 and level 3 caches are unified, add required cache-unified and cache-level properties to fix warnings like: rtd1293-ds418j.dtb: l2-cache: 'cache-level' is a required property rtd1293-ds418j.dtb: l2-cache: 'cache-unified' is a required property Link: https://lore.kernel.org/r/202304...
```diff diff --git a/arch/arm64/boot/dts/realtek/rtd1293.dtsi b/arch/arm64/boot/dts/realtek/rtd1293.dtsi index 2d92b56ac94d..d0c9387ac17a 100644 --- a/arch/arm64/boot/dts/realtek/rtd1293.dtsi +++ b/arch/arm64/boot/dts/realtek/rtd1293.dtsi @@ -30,6 +30,8 @@ l2: l2-cache { compatible = "cache"; + cache-level =...
a0936e9edf16750867b65c8f2017352f1ea3dea8
Analyze and fix the following issue in the Linux kernel code: arm64: dts: hisilicon: add missing cache properties
Problem Details: As all level 2 and level 3 caches are unified, add required cache-unified properties to fix warnings like: hi3660-hikey960.dtb: l2-cache0: 'cache-unified' is a required property Link: https://lore.kernel.org/r/20230421223215.115666-1-krzysztof.kozlowski@linaro.org Signed-off-by: Krzysztof Kozlowski...
```diff diff --git a/arch/arm64/boot/dts/hisilicon/hi3660.dtsi b/arch/arm64/boot/dts/hisilicon/hi3660.dtsi index a57f35eb5ef6..7e137a884ae5 100644 --- a/arch/arm64/boot/dts/hisilicon/hi3660.dtsi +++ b/arch/arm64/boot/dts/hisilicon/hi3660.dtsi @@ -204,11 +204,13 @@ A53_L2: l2-cache0 { compatible = "cache"; ca...
9f921604a91c637eb57e57668045ca5c21f49f05
Analyze and fix the following issue in the Linux kernel code: arm64: dts: amazon: add missing cache properties
Problem Details: As all level 2 and level 3 caches are unified, add required cache-unified properties to fix warnings like: alpine-v3-evp.dtb: cache@0: 'cache-unified' is a dependency of 'cache-size' Link: https://lore.kernel.org/r/20230421223141.115072-1-krzysztof.kozlowski@linaro.org Signed-off-by: Krzysztof Kozl...
```diff diff --git a/arch/arm64/boot/dts/amazon/alpine-v3.dtsi b/arch/arm64/boot/dts/amazon/alpine-v3.dtsi index 73a352ea8fd5..39481d7fd7d4 100644 --- a/arch/arm64/boot/dts/amazon/alpine-v3.dtsi +++ b/arch/arm64/boot/dts/amazon/alpine-v3.dtsi @@ -250,6 +250,7 @@ cache-line-size = <64>; cache-sets = <2048>; ...
0022cec7edecd5ea6796dfe0d75330c55dd07a67
Analyze and fix the following issue in the Linux kernel code: arm64: dts: apm: add missing cache properties
Problem Details: As all level 2 and level 3 caches are unified, add required cache-unified and cache-level properties to fix warnings like: apm-mustang.dtb: l2-cache-0: 'cache-level' is a required property apm-mustang.dtb: l2-cache-0: 'cache-unified' is a required property Link: https://lore.kernel.org/r/20230421...
```diff diff --git a/arch/arm64/boot/dts/apm/apm-shadowcat.dtsi b/arch/arm64/boot/dts/apm/apm-shadowcat.dtsi index 70a10bcafcff..377660d705d1 100644 --- a/arch/arm64/boot/dts/apm/apm-shadowcat.dtsi +++ b/arch/arm64/boot/dts/apm/apm-shadowcat.dtsi @@ -97,15 +97,23 @@ }; xgene_L2_0: l2-cache-0 { compatible = "c...
21f475946d89911e31bccd02f8a7ce40b8f52a70
Analyze and fix the following issue in the Linux kernel code: ARM: dts: en7523: add missing cache properties
Problem Details: As all level 2 and level 3 caches are unified, add required cache-unified and cache-level properties to fix warnings like: en7523-evb.dtb: l2-cache0: 'cache-level' is a required property en7523-evb.dtb: l2-cache0: 'cache-unified' is a required property Reviewed-by: Alexandre Mergnat <amergnat@bay...
```diff diff --git a/arch/arm/boot/dts/en7523.dtsi b/arch/arm/boot/dts/en7523.dtsi index 7f839331a777..b523a868c4ad 100644 --- a/arch/arm/boot/dts/en7523.dtsi +++ b/arch/arm/boot/dts/en7523.dtsi @@ -81,6 +81,8 @@ L2_0: l2-cache0 { compatible = "cache"; + cache-level = <2>; + cache-unified; }; }; ```
f0a96d1aafd8964e1f9955c830a3e5cb3c60a90f
Analyze and fix the following issue in the Linux kernel code: ksmbd: fix wrong UserName check in session_user
Problem Details: The offset of UserName is related to the address of security buffer. To ensure the validaty of UserName, we need to compare name_off + name_len with secbuf_len instead of auth_msg_len. [ 27.096243] ================================================================== [ 27.096890] BUG: KASAN: slab-out...
```diff diff --git a/fs/ksmbd/smb2pdu.c b/fs/ksmbd/smb2pdu.c index f317ce2461ee..717bcd20545b 100644 --- a/fs/ksmbd/smb2pdu.c +++ b/fs/ksmbd/smb2pdu.c @@ -1356,7 +1356,7 @@ static struct ksmbd_user *session_user(struct ksmbd_conn *conn, struct authenticate_message *authblob; struct ksmbd_user *user; char *name; -...
02f76c401d17e409ed45bf7887148fcc22c93c85
Analyze and fix the following issue in the Linux kernel code: ksmbd: fix global-out-of-bounds in smb2_find_context_vals
Problem Details: Add tag_len argument in smb2_find_context_vals() to avoid out-of-bound read when create_context's name_len is larger than tag length. [ 7.995411] ================================================================== [ 7.995866] BUG: KASAN: global-out-of-bounds in memcmp+0x83/0xa0 [ 7.996248] Rea...
```diff diff --git a/fs/ksmbd/oplock.c b/fs/ksmbd/oplock.c index 2e54ded4d92c..6d1ccb999893 100644 --- a/fs/ksmbd/oplock.c +++ b/fs/ksmbd/oplock.c @@ -1449,11 +1449,12 @@ struct lease_ctx_info *parse_lease_state(void *open_req) * smb2_find_context_vals() - find a particular context info in open request * @open_req:...
fe82f16aafdaf8002281d3b9524291d4a4a28460
Analyze and fix the following issue in the Linux kernel code: xhci: Fix incorrect tracking of free space on transfer rings
Problem Details: This incorrect tracking caused unnecessary ring expansion in some usecases which over days of use consume a lot of memory. xhci driver tries to keep track of free transfer blocks (TRBs) on the ring buffer, but failed to add back some cancelled transfers that were turned into no-op operations instead o...
```diff diff --git a/drivers/usb/host/xhci-ring.c b/drivers/usb/host/xhci-ring.c index 1ad12d5a4857..2bc82b3a2f98 100644 --- a/drivers/usb/host/xhci-ring.c +++ b/drivers/usb/host/xhci-ring.c @@ -276,6 +276,26 @@ static void inc_enq(struct xhci_hcd *xhci, struct xhci_ring *ring, trace_xhci_inc_enq(ring); } +static ...
2a821fc3136d5d99dcb9de152be8a052ca27d870
Analyze and fix the following issue in the Linux kernel code: xhci-pci: Only run d3cold avoidance quirk for s2idle
Problem Details: Donghun reports that a notebook that has an AMD Ryzen 5700U but supports S3 has problems with USB after resuming from suspend. The issue was bisected down to commit d1658268e439 ("usb: pci-quirks: disable D3cold on xhci suspend for s2idle on AMD Renoir"). As this issue only happens on S3, narrow the b...
```diff diff --git a/drivers/usb/host/xhci-pci.c b/drivers/usb/host/xhci-pci.c index ddb79f23fb3b..79b3691f373f 100644 --- a/drivers/usb/host/xhci-pci.c +++ b/drivers/usb/host/xhci-pci.c @@ -13,6 +13,7 @@ #include <linux/module.h> #include <linux/acpi.h> #include <linux/reset.h> +#include <linux/suspend.h> #inclu...
1f7aacc5eb9ed2cc17be7a90da5cd559effb9d59
Analyze and fix the following issue in the Linux kernel code: powerpc/iommu: Incorrect DDW Table is referenced for SR-IOV device
Problem Details: For an SR-IOV device, while enabling DDW, a new table is created and added at index 1 in the group. In the below 2 scenarios, the table is incorrectly referenced at index 0 (which is where the table is for default DMA window). 1. When adding DDW This issue is exposed with "slub_debug". Error throw...
```diff diff --git a/arch/powerpc/kernel/dma-iommu.c b/arch/powerpc/kernel/dma-iommu.c index 038ce8d9061d..8920862ffd79 100644 --- a/arch/powerpc/kernel/dma-iommu.c +++ b/arch/powerpc/kernel/dma-iommu.c @@ -144,7 +144,7 @@ static bool dma_iommu_bypass_supported(struct device *dev, u64 mask) /* We support DMA to/from a...
096339ab84f36beae0b1db25e0ce63fb3873e8b2
Analyze and fix the following issue in the Linux kernel code: powerpc/iommu: DMA address offset is incorrectly calculated with 2MB TCEs
Problem Details: When DMA window is backed by 2MB TCEs, the DMA address for the mapped page should be the offset of the page relative to the 2MB TCE. The code was incorrectly setting the DMA address to the beginning of the TCE range. Mellanox driver is reporting timeout trying to ENABLE_HCA for an SR-IOV ethernet port...
```diff diff --git a/arch/powerpc/kernel/iommu.c b/arch/powerpc/kernel/iommu.c index 8fce2da109eb..67f0b01e6ff5 100644 --- a/arch/powerpc/kernel/iommu.c +++ b/arch/powerpc/kernel/iommu.c @@ -518,7 +518,7 @@ int ppc_iommu_map_sg(struct device *dev, struct iommu_table *tbl, /* Convert entry to a dma_addr_t */ entry...
ad593827db9b73f15eb65416ec975ec0311f773a
Analyze and fix the following issue in the Linux kernel code: powerpc/iommu: Remove iommu_del_device()
Problem Details: Now that power calls iommu_device_register() and populates its groups using iommu_ops->device_group it should not be calling iommu_group_remove_device(). The core code owns the groups and all the other related iommu data, it will clean it up automatically. Remove the bus notifiers and explicit calls ...
```diff diff --git a/arch/powerpc/include/asm/iommu.h b/arch/powerpc/include/asm/iommu.h index 678b5bdc79b1..34e14dfd8e04 100644 --- a/arch/powerpc/include/asm/iommu.h +++ b/arch/powerpc/include/asm/iommu.h @@ -205,7 +205,6 @@ extern void iommu_register_group(struct iommu_table_group *table_group, int pci_domain_...
a3c10035d12f5ec10915d5c00c2e8f7d7c066182
Analyze and fix the following issue in the Linux kernel code: eeprom: at24: Use dev_err_probe for nvmem register failure
Problem Details: When using nvmem layouts it is possible devm_nvmem_register returns -EPROBE_DEFER, resulting in an 'empty' in /sys/kernel/debug/devices_deferred. Use dev_err_probe for providing additional information. Signed-off-by: Alexander Stein <alexander.stein@ew.tq-group.com> Signed-off-by: Bartosz Golaszewski ...
```diff diff --git a/drivers/misc/eeprom/at24.c b/drivers/misc/eeprom/at24.c index 938c4f41b98c..5aae2f9bdd51 100644 --- a/drivers/misc/eeprom/at24.c +++ b/drivers/misc/eeprom/at24.c @@ -761,7 +761,8 @@ static int at24_probe(struct i2c_client *client) pm_runtime_disable(dev); if (!pm_runtime_status_suspended(dev)...