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48d584b7f90f48d2623fb01743b099efbf0d36c2
Analyze and fix the following issue in the Linux kernel code: bcachefs: make bch2_target_to_text_sb static
Problem Details: The bch2_target_to_text_sb are not used outside the file disk_groups.c, so the modification is defined as static. fs/bcachefs/disk_groups.c:583:6: warning: no previous prototype for ‘bch2_target_to_text_sb’. Reported-by: Abaci Robot <abaci@linux.alibaba.com> Closes: https://bugzilla.openanolis.cn/sho...
```diff diff --git a/fs/bcachefs/disk_groups.c b/fs/bcachefs/disk_groups.c index d613695abf9f..1f334124055b 100644 --- a/fs/bcachefs/disk_groups.c +++ b/fs/bcachefs/disk_groups.c @@ -580,7 +580,7 @@ void bch2_target_to_text(struct printbuf *out, struct bch_fs *c, unsigned v) } } -void bch2_target_to_text_sb(struct...
181724fc72486dec2bec8803459be05b5162aaa8
Analyze and fix the following issue in the Linux kernel code: cifs: fix check of rc in function generate_smb3signingkey
Problem Details: Remove extra check after condition, add check after generating key for encryption. The check is needed to return non zero rc before rewriting it with generating key for decryption. Found by Linux Verification Center (linuxtesting.org) with SVACE. Reviewed-by: Paulo Alcantara (SUSE) <pc@manguebit.com>...
```diff diff --git a/fs/smb/client/smb2transport.c b/fs/smb/client/smb2transport.c index 84ea67301303..5a3ca62d2f07 100644 --- a/fs/smb/client/smb2transport.c +++ b/fs/smb/client/smb2transport.c @@ -458,6 +458,8 @@ generate_smb3signingkey(struct cifs_ses *ses, ptriplet->encryption.context, ses->smb3encryp...
ff31ba19d732efb9aca3633935d71085e68d5076
Analyze and fix the following issue in the Linux kernel code: cifs: spnego: add ';' in HOST_KEY_LEN
Problem Details: "host=" should start with ';' (as in cifs_get_spnego_key) So its length should be 6. Found by Linux Verification Center (linuxtesting.org) with SVACE. Reviewed-by: Paulo Alcantara (SUSE) <pc@manguebit.com> Fixes: 7c9c3760b3a5 ("[CIFS] add constants for string lengths of keynames in SPNEGO upcall stri...
```diff diff --git a/fs/smb/client/cifs_spnego.c b/fs/smb/client/cifs_spnego.c index 6f3285f1dfee..af7849e5974f 100644 --- a/fs/smb/client/cifs_spnego.c +++ b/fs/smb/client/cifs_spnego.c @@ -64,8 +64,8 @@ struct key_type cifs_spnego_key_type = { * strlen(";sec=ntlmsspi") */ #define MAX_MECH_STR_LEN 13 -/* strlen o...
a1321811985bed1b110d224a6c7ce1b967ee7607
Analyze and fix the following issue in the Linux kernel code: ASoC: cs42l43: Add missing static from runtime PM ops
Problem Details: Fixes: 2b59332ead54 ("ASoC: cs42l43: Use new-style PM runtime macros") Reported-by: kernel test robot <lkp@intel.com> Closes: https://lore.kernel.org/oe-kbuild-all/202311091824.5z6PROGZ-lkp@intel.com/ Signed-off-by: Charles Keepax <ckeepax@opensource.cirrus.com> Link: https://lore.kernel.org/r/20231113...
```diff diff --git a/sound/soc/codecs/cs42l43.c b/sound/soc/codecs/cs42l43.c index d62c9f26c632..5c98343ebf71 100644 --- a/sound/soc/codecs/cs42l43.c +++ b/sound/soc/codecs/cs42l43.c @@ -2251,8 +2251,8 @@ static int cs42l43_codec_runtime_resume(struct device *dev) return 0; } -DEFINE_RUNTIME_DEV_PM_OPS(cs42l43_cod...
5a841e4eb8ed2fea91025b19af8a9ba544f63323
Analyze and fix the following issue in the Linux kernel code: ice: rename switchdev to eswitch
Problem Details: Eswitch is used as a prefix for related functions. Main structure storing all data related to eswitch should also be named as eswitch instead of ice_switchdev_info. Rename it. Also rename switchdev to eswitch where the context is not about eswitch mode. ::uplink_netdev was changed to netdev for simpl...
```diff diff --git a/drivers/net/ethernet/intel/ice/ice.h b/drivers/net/ethernet/intel/ice/ice.h index 351e0d36df44..6c59ca86d959 100644 --- a/drivers/net/ethernet/intel/ice/ice.h +++ b/drivers/net/ethernet/intel/ice/ice.h @@ -522,7 +522,7 @@ enum ice_misc_thread_tasks { ICE_MISC_THREAD_NBITS /* must be last */ }; ...
a778616e4cc2d5e3a253c7d8959aafa5218fc5e4
Analyze and fix the following issue in the Linux kernel code: ice: fix DDP package download for packages without signature segment
Problem Details: Commit 3cbdb0343022 ("ice: Add support for E830 DDP package segment") incorrectly removed support for package download for packages without a signature segment. These packages include the signature buffer inline in the configurations buffers, and not in a signature segment. Fix package download by pro...
```diff diff --git a/drivers/net/ethernet/intel/ice/ice_ddp.c b/drivers/net/ethernet/intel/ice/ice_ddp.c index cfb1580f5850..8b7504a9df31 100644 --- a/drivers/net/ethernet/intel/ice/ice_ddp.c +++ b/drivers/net/ethernet/intel/ice/ice_ddp.c @@ -1479,14 +1479,14 @@ ice_post_dwnld_pkg_actions(struct ice_hw *hw) } /** -...
6db5f2cd9ebb12e930a82c01714a6589576cd50f
Analyze and fix the following issue in the Linux kernel code: ice: dpll: fix output pin capabilities
Problem Details: The dpll output pins which are used to feed clock signal of PHY and MAC circuits cannot be disconnected, those integrated circuits require clock signal for operation. By stopping assignment of DPLL_PIN_CAPABILITIES_STATE_CAN_CHANGE pin capability, prevent the user from invoking the state set callback o...
```diff diff --git a/drivers/net/ethernet/intel/ice/ice_dpll.c b/drivers/net/ethernet/intel/ice/ice_dpll.c index 831ba6683962..86b180cb32a0 100644 --- a/drivers/net/ethernet/intel/ice/ice_dpll.c +++ b/drivers/net/ethernet/intel/ice/ice_dpll.c @@ -1823,6 +1823,7 @@ ice_dpll_init_info_direct_pins(struct ice_pf *pf, int...
4a4027f25dc3f39c2aafb3bf8926125c5378c9dc
Analyze and fix the following issue in the Linux kernel code: ice: dpll: fix check for dpll input priority range
Problem Details: Supported priority value for input pins may differ with regard of NIC firmware version. E810T NICs with 3.20/4.00 FW versions would accept priority range 0-31, where firmware 4.10+ would support the range 0-9 and extra value of 255. Remove the in-range check as the driver has no information on supporte...
```diff diff --git a/drivers/net/ethernet/intel/ice/ice_dpll.c b/drivers/net/ethernet/intel/ice/ice_dpll.c index 607f534055b6..831ba6683962 100644 --- a/drivers/net/ethernet/intel/ice/ice_dpll.c +++ b/drivers/net/ethernet/intel/ice/ice_dpll.c @@ -815,12 +815,6 @@ ice_dpll_input_prio_set(const struct dpll_pin *pin, void...
7a1aba89ac54ccf6cad23a91a34c0ab24b1d7997
Analyze and fix the following issue in the Linux kernel code: ice: dpll: fix initial lock status of dpll
Problem Details: When dpll device is registered and dpll subsystem performs notify of a new device, the lock state value provided to dpll subsystem equals 0 which is invalid value for the `enum dpll_lock_status`. Provide correct value by obtaining it from firmware before registering the dpll device. Fixes: d7999f5ea64...
```diff diff --git a/drivers/net/ethernet/intel/ice/ice_dpll.c b/drivers/net/ethernet/intel/ice/ice_dpll.c index 835c419ccc74..607f534055b6 100644 --- a/drivers/net/ethernet/intel/ice/ice_dpll.c +++ b/drivers/net/ethernet/intel/ice/ice_dpll.c @@ -1756,6 +1756,7 @@ ice_dpll_init_dpll(struct ice_pf *pf, struct ice_dpll *...
d1adea27d0c8a08031b075f1bf4c5ce6f135ad7c
Analyze and fix the following issue in the Linux kernel code: drm/gpuvm: don't always WARN in drm_gpuvm_check_overflow()
Problem Details: Don't always WARN in drm_gpuvm_check_overflow() and separate it into a drm_gpuvm_check_overflow() and a dedicated drm_gpuvm_warn_check_overflow() variant. This avoids printing warnings due to invalid userspace requests. Acked-by: Christian König <christian.koenig@amd.com> Reviewed-by: Thomas Hellströ...
```diff diff --git a/drivers/gpu/drm/drm_gpuvm.c b/drivers/gpu/drm/drm_gpuvm.c index d7367a202fee..445767f8fbc4 100644 --- a/drivers/gpu/drm/drm_gpuvm.c +++ b/drivers/gpu/drm/drm_gpuvm.c @@ -614,12 +614,18 @@ static int __drm_gpuva_insert(struct drm_gpuvm *gpuvm, static void __drm_gpuva_remove(struct drm_gpuva *va); ...
58c09cad1754c56cb000ef07477e8781e3fad4d3
Analyze and fix the following issue in the Linux kernel code: drm/ci: make github dependabot happy again
Problem Details: The drm CI scripts for gitlab have a requirements file that makes the github 'dependabot' worry about a few of the required tooling versions. It wants to update the pip requirements from 23.2.1 to 23.3: "When installing a package from a Mercurial VCS URL, e.g. pip install hg+..., with pip prior to...
```diff diff --git a/drivers/gpu/drm/ci/xfails/requirements.txt b/drivers/gpu/drm/ci/xfails/requirements.txt index d8856d1581fd..e9994c9db799 100644 --- a/drivers/gpu/drm/ci/xfails/requirements.txt +++ b/drivers/gpu/drm/ci/xfails/requirements.txt @@ -5,7 +5,7 @@ termcolor==2.3.0 certifi==2023.7.22 charset-normalizer=...
b0077e269f6c152e807fdac90b58caf012cdbaab
Analyze and fix the following issue in the Linux kernel code: blk-mq: make sure active queue usage is held for bio_integrity_prep()
Problem Details: blk_integrity_unregister() can come if queue usage counter isn't held for one bio with integrity prepared, so this request may be completed with calling profile->complete_fn, then kernel panic. Another constraint is that bio_integrity_prep() needs to be called before bio merge. Fix the issue by: - c...
```diff diff --git a/block/blk-mq.c b/block/blk-mq.c index e2d11183f62e..900c1be1fee1 100644 --- a/block/blk-mq.c +++ b/block/blk-mq.c @@ -2858,11 +2858,8 @@ static struct request *blk_mq_get_new_requests(struct request_queue *q, }; struct request *rq; - if (unlikely(bio_queue_enter(bio))) - return NULL; - if ...
8f157593689fcffc2d9b18af9472fce764188b43
Analyze and fix the following issue in the Linux kernel code: wifi: ath11k: Remove unneeded semicolon
Problem Details: ./drivers/net/wireless/ath/ath11k/fw.c:136:2-3: Unneeded semicolon Reported-by: Abaci Robot <abaci@linux.alibaba.com> Closes: https://bugzilla.openanolis.cn/show_bug.cgi?id=7073 Signed-off-by: Yang Li <yang.lee@linux.alibaba.com> Acked-by: Jeff Johnson <quic_jjohnson@quicinc.com> Signed-off-by: Kalle ...
```diff diff --git a/drivers/net/wireless/ath/ath11k/fw.c b/drivers/net/wireless/ath/ath11k/fw.c index 8f84fba29886..4e36292a79db 100644 --- a/drivers/net/wireless/ath/ath11k/fw.c +++ b/drivers/net/wireless/ath/ath11k/fw.c @@ -133,7 +133,7 @@ static int ath11k_fw_request_firmware_api_n(struct ath11k_base *ab, len ...
2a3ec40b98b46c339adb57313d3b933ee5e7a8e8
Analyze and fix the following issue in the Linux kernel code: wifi: ath11k: Defer on rproc_get failure
Problem Details: If we already have gotten the rproc_handle (meaning the "qcom,rproc" property is defined in the devicetree), it's a valid state that the remoteproc module hasn't probed yet so we should defer probing instead of just failing to probe. This resolves a race condition when the ath11k driver probes and fai...
```diff diff --git a/drivers/net/wireless/ath/ath11k/ahb.c b/drivers/net/wireless/ath/ath11k/ahb.c index 235336ef2a7a..f8f5e653cd03 100644 --- a/drivers/net/wireless/ath/ath11k/ahb.c +++ b/drivers/net/wireless/ath/ath11k/ahb.c @@ -803,8 +803,8 @@ static int ath11k_core_get_rproc(struct ath11k_base *ab) prproc = rpr...
47d970204054f859f35a2237baa75c2d84fcf436
Analyze and fix the following issue in the Linux kernel code: xen/events: fix delayed eoi list handling
Problem Details: When delaying eoi handling of events, the related elements are queued into the percpu lateeoi list. In case the list isn't empty, the elements should be sorted by the time when eoi handling is to happen. Unfortunately a new element will never be queued at the start of the list, even if it has a handli...
```diff diff --git a/drivers/xen/events/events_base.c b/drivers/xen/events/events_base.c index 237e6b884f72..cd33a418344a 100644 --- a/drivers/xen/events/events_base.c +++ b/drivers/xen/events/events_base.c @@ -604,7 +604,9 @@ static void lateeoi_list_add(struct irq_info *info) spin_lock_irqsave(&eoi->eoi_list_lock...
b0eeba527e704d6023a6cd9103f929226e326b03
Analyze and fix the following issue in the Linux kernel code: pinctrl: stm32: Add check for devm_kcalloc
Problem Details: Add check for the return value of devm_kcalloc() and return the error if it fails in order to avoid NULL pointer dereference. Fixes: 32c170ff15b0 ("pinctrl: stm32: set default gpio line names using pin names") Signed-off-by: Chen Ni <nichen@iscas.ac.cn> Acked-by: Valentin Caron <valentin.caron@foss.st...
```diff diff --git a/drivers/pinctrl/stm32/pinctrl-stm32.c b/drivers/pinctrl/stm32/pinctrl-stm32.c index 64e8201c7eac..3a9c458d3fc9 100644 --- a/drivers/pinctrl/stm32/pinctrl-stm32.c +++ b/drivers/pinctrl/stm32/pinctrl-stm32.c @@ -1368,6 +1368,11 @@ static int stm32_gpiolib_register_bank(struct stm32_pinctrl *pctl, str...
2bbaebc5a75901404715a61e5a5c304ded5eee37
Analyze and fix the following issue in the Linux kernel code: ARM: dts: renesas: marzen: Rename keyboard nodes
Problem Details: make dtbs_check: arch/arm/boot/dts/renesas/r8a7779-marzen.dtb: /: keyboard-gpio: {'compatible': ['gpio-keys-polled'], 'poll-interval': [[50]], 'pinctrl-0': [[29]], 'pinctrl-names': ['default'], 'key-3': {'gpios': [[28, 19, 1]], 'linux,code': [[4]], 'label': ['SW1-3'], 'debounce-interval': [[20]]},...
```diff diff --git a/arch/arm/boot/dts/renesas/r8a7779-marzen.dts b/arch/arm/boot/dts/renesas/r8a7779-marzen.dts index 1e192b8a73a0..9b13e8d1538b 100644 --- a/arch/arm/boot/dts/renesas/r8a7779-marzen.dts +++ b/arch/arm/boot/dts/renesas/r8a7779-marzen.dts @@ -52,10 +52,10 @@ states = <3300000 1>, <1800000 0>; }; ...
788d24c59d24c446c479ecb1779eaa67325fca7c
Analyze and fix the following issue in the Linux kernel code: ARM: dts: renesas: iwg22d-sodimm: Fix stmpe node names
Problem Details: make dtbs_check: arch/arm/boot/dts/renesas/r8a7745-iwg22d-sodimm.dtb: stmpe811@44: 'stmpe_touchscreen' does not match any of the regexes: 'pinctrl-[0-9]+' from schema $id: http://devicetree.org/schemas/mfd/st,stmpe.yaml# arch/arm/boot/dts/renesas/r8a7745-iwg22d-sodimm-dbhd-ca.dtb: stmpe81...
```diff diff --git a/arch/arm/boot/dts/renesas/r8a7745-iwg22d-sodimm.dts b/arch/arm/boot/dts/renesas/r8a7745-iwg22d-sodimm.dts index c105932f642e..24411044ef6c 100644 --- a/arch/arm/boot/dts/renesas/r8a7745-iwg22d-sodimm.dts +++ b/arch/arm/boot/dts/renesas/r8a7745-iwg22d-sodimm.dts @@ -182,7 +182,7 @@ VDDIO-supply =...
74c3bb4819071e94bfa58d13ea4825065f00587c
Analyze and fix the following issue in the Linux kernel code: arm64: dts: renesas: Add missing ADV751[13] power supply properties
Problem Details: make dtbs_check: arch/arm64/boot/dts/renesas/r8a77990-ebisu.dtb: hdmi-encoder@39: 'avdd-supply' is a required property from schema $id: http://devicetree.org/schemas/display/bridge/adi,adv7511.yaml# arch/arm64/boot/dts/renesas/r8a77990-ebisu.dtb: hdmi-encoder@39: 'dvdd-supply' is a requir...
```diff diff --git a/arch/arm64/boot/dts/renesas/draak.dtsi b/arch/arm64/boot/dts/renesas/draak.dtsi index ef3bb835d5c0..ce57c9ad9672 100644 --- a/arch/arm64/boot/dts/renesas/draak.dtsi +++ b/arch/arm64/boot/dts/renesas/draak.dtsi @@ -374,6 +374,12 @@ interrupt-parent = <&gpio1>; interrupts = <28 IRQ_TYPE_LEVEL_L...
cc75154c2f106d033f45c06412a1e432eda50634
Analyze and fix the following issue in the Linux kernel code: ARM: dts: renesas: Add missing ADV751[13] power supply properties
Problem Details: make dtbs_check: arch/arm/boot/dts/renesas/r8a7791-koelsch.dtb: hdmi@39: 'avdd-supply' is a required property from schema $id: http://devicetree.org/schemas/display/bridge/adi,adv7511.yaml# arch/arm/boot/dts/renesas/r8a7791-koelsch.dtb: hdmi@39: 'dvdd-supply' is a required property f...
```diff diff --git a/arch/arm/boot/dts/renesas/iwg20d-q7-dbcm-ca.dtsi b/arch/arm/boot/dts/renesas/iwg20d-q7-dbcm-ca.dtsi index e10f99278c77..de52218ceaa4 100644 --- a/arch/arm/boot/dts/renesas/iwg20d-q7-dbcm-ca.dtsi +++ b/arch/arm/boot/dts/renesas/iwg20d-q7-dbcm-ca.dtsi @@ -27,6 +27,15 @@ }; }; }; + + reg_1p8v...
a84e0556f1347936557dabfd875b55563de52d16
Analyze and fix the following issue in the Linux kernel code: ARM: dts: renesas: rcar-gen2: Fix I2C bus demux node names
Problem Details: make dtbs_check: $nodename:0: 'i2c-10' does not match '^(i2c-?)?mux' Fix this by renaming all I2C bus demultiplexer node names to "i2c-mux<N>". Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be> Acked-by: Wolfram Sang <wsa+renesas@sang-engineering.com> Link: https://lore.kernel.org/r/63...
```diff diff --git a/arch/arm/boot/dts/renesas/r8a7790-lager.dts b/arch/arm/boot/dts/renesas/r8a7790-lager.dts index 4d666ad8b114..bc04567ccf8d 100644 --- a/arch/arm/boot/dts/renesas/r8a7790-lager.dts +++ b/arch/arm/boot/dts/renesas/r8a7790-lager.dts @@ -303,7 +303,7 @@ * * IIC0/I2C0 does not appear to support fa...
f1ed48ef97e2d12dee21e42db4a6ebb895ed3a79
Analyze and fix the following issue in the Linux kernel code: firmware: arm_ffa: Fix ffa_notification_info_get() IDs handling
Problem Details: To parse the retrieved ID lists appropriately in ffa_notification_info_get() the ids_processed variable should not be pre-incremented - we are dropping an identifier at the beginning of the list. Fix it by using the post-increment operator to increment the number of processed IDs. Fixes: 3522be48d82b...
```diff diff --git a/drivers/firmware/arm_ffa/driver.c b/drivers/firmware/arm_ffa/driver.c index 034bce8a2ca1..6146b2927d5c 100644 --- a/drivers/firmware/arm_ffa/driver.c +++ b/drivers/firmware/arm_ffa/driver.c @@ -783,7 +783,7 @@ static void ffa_notification_info_get(void) if (ids_processed >= max_ids - 1) br...
05857a1eb723190923b091a857184ced17a83770
Analyze and fix the following issue in the Linux kernel code: firmware: arm_ffa: Fix the size of the allocation in ffa_partitions_cleanup()
Problem Details: Arry of pointer to struct ffa_dev_part_info needs to be allocated to fetch the pointers stored in XArray. However, currently we allocate the entire structure instead of just pointers. Fix the allocation size. This will also eliminate the below Smatch istatic checker warning: | drivers/firmware/a...
```diff diff --git a/drivers/firmware/arm_ffa/driver.c b/drivers/firmware/arm_ffa/driver.c index 49ebdc2775dd..034bce8a2ca1 100644 --- a/drivers/firmware/arm_ffa/driver.c +++ b/drivers/firmware/arm_ffa/driver.c @@ -1248,7 +1248,7 @@ static void ffa_partitions_cleanup(void) if (!count) return; - info = kcalloc(co...
6d67cbe67a86a87307df0c6fafa74394a6820ad6
Analyze and fix the following issue in the Linux kernel code: firmware: arm_ffa: Fix FFA notifications cleanup path
Problem Details: We allow the FF-A to be initialised successfully even when notification fails. When the notification fails, ffa_notifications_cleanup() gets called on the failure path. However, the driver information about the notifications like the irq, workqueues and cpu hotplug state for enabling and disabling per...
```diff diff --git a/drivers/firmware/arm_ffa/driver.c b/drivers/firmware/arm_ffa/driver.c index 1724a0cbb2cf..49ebdc2775dd 100644 --- a/drivers/firmware/arm_ffa/driver.c +++ b/drivers/firmware/arm_ffa/driver.c @@ -1326,8 +1326,10 @@ static int ffa_sched_recv_irq_map(void) static void ffa_sched_recv_irq_unmap(void) ...
f4bfcaee34bc9527274710884f8d14039f3ee506
Analyze and fix the following issue in the Linux kernel code: firmware: arm_ffa: Add checks for the notification enabled state
Problem Details: We need to check if the FF-A notifications are enabled or not in all the notification operations that are accessible for the FF-A device from the FF-A driver. This helps to avoid making calls to the FF-A firmware even if the notification setup has failed. Link: https://lore.kernel.org/r/20231024-ffa-n...
```diff diff --git a/drivers/firmware/arm_ffa/driver.c b/drivers/firmware/arm_ffa/driver.c index 69ad3add3175..1724a0cbb2cf 100644 --- a/drivers/firmware/arm_ffa/driver.c +++ b/drivers/firmware/arm_ffa/driver.c @@ -99,6 +99,7 @@ struct ffa_drv_info { void *tx_buffer; bool mem_ops_native; bool bitmap_created; + bo...
6f47023f7a52f3482937e9271ba41570b8752067
Analyze and fix the following issue in the Linux kernel code: firmware: arm_ffa: Setup the partitions after the notification initialisation
Problem Details: Currently the notifications are setup of the partitions are probed and FF-A devices are added on the FF-A bus. The FF-A driver probe can be called even before the FF-A notification setup happens which is wrong and may result in failure or misbehaviour in the FF-A partition device probe. In order to en...
```diff diff --git a/drivers/firmware/arm_ffa/driver.c b/drivers/firmware/arm_ffa/driver.c index 585632a444b4..69ad3add3175 100644 --- a/drivers/firmware/arm_ffa/driver.c +++ b/drivers/firmware/arm_ffa/driver.c @@ -1422,11 +1422,7 @@ static void ffa_notifications_setup(void) hash_init(drv_info->notifier_hash); mute...
95520fc07743d3f58e8872acd72e928b09fbc143
Analyze and fix the following issue in the Linux kernel code: firmware: arm_ffa: Allow FF-A initialisation even when notification fails
Problem Details: FF-A notifications are optional feature in the specification. Currently we allow to continue if the firmware reports no support for the notifications. However, we fail to continue and complete the FF-A driver initialisation if the notification setup fails for any reason. Let us allow the FF-A driver t...
```diff diff --git a/drivers/firmware/arm_ffa/driver.c b/drivers/firmware/arm_ffa/driver.c index 07b72c679247..585632a444b4 100644 --- a/drivers/firmware/arm_ffa/driver.c +++ b/drivers/firmware/arm_ffa/driver.c @@ -1390,20 +1390,20 @@ static void ffa_notifications_cleanup(void) } } -static int ffa_notifications_se...
c0a2a1b0d631fc460d830f52d06211838874d655
Analyze and fix the following issue in the Linux kernel code: ppp: limit MRU to 64K
Problem Details: ppp_sync_ioctl allows setting device MRU, but does not sanity check this input. Limit to a sane upper bound of 64KB. No implementation I could find generates larger than 64KB frames. RFC 2823 mentions an upper bound of PPP over SDL of 64KB based on the 16-bit length field. Other protocols will be sma...
```diff diff --git a/drivers/net/ppp/ppp_synctty.c b/drivers/net/ppp/ppp_synctty.c index ea261a628786..52d05ce4a281 100644 --- a/drivers/net/ppp/ppp_synctty.c +++ b/drivers/net/ppp/ppp_synctty.c @@ -453,6 +453,10 @@ ppp_sync_ioctl(struct ppp_channel *chan, unsigned int cmd, unsigned long arg) case PPPIOCSMRU: if (...
ca8add922f9c7f6e2e3c71039da8e0dcc64b87ed
Analyze and fix the following issue in the Linux kernel code: net: mvneta: fix calls to page_pool_get_stats
Problem Details: Calling page_pool_get_stats in the mvneta driver without checks leads to kernel crashes. First the page pool is only available if the bm is not used. The page pool is also not allocated when the port is stopped. It can also be not allocated in case of errors. The current implementation leads to the fo...
```diff diff --git a/drivers/net/ethernet/marvell/mvneta.c b/drivers/net/ethernet/marvell/mvneta.c index 90817136808d..29aac327574d 100644 --- a/drivers/net/ethernet/marvell/mvneta.c +++ b/drivers/net/ethernet/marvell/mvneta.c @@ -4790,14 +4790,17 @@ static void mvneta_ethtool_get_strings(struct net_device *netdev, u32...
fb317eb23b5ee4c37b0656a9a52a3db58d9dd072
Analyze and fix the following issue in the Linux kernel code: tipc: Fix kernel-infoleak due to uninitialized TLV value
Problem Details: KMSAN reported the following kernel-infoleak issue: ===================================================== BUG: KMSAN: kernel-infoleak in instrument_copy_to_user include/linux/instrumented.h:114 [inline] BUG: KMSAN: kernel-infoleak in copy_to_user_iter lib/iov_iter.c:24 [inline] BUG: KMSAN: kernel-info...
```diff diff --git a/net/tipc/netlink_compat.c b/net/tipc/netlink_compat.c index 5bc076f2fa74..c763008a8adb 100644 --- a/net/tipc/netlink_compat.c +++ b/net/tipc/netlink_compat.c @@ -102,6 +102,7 @@ static int tipc_add_tlv(struct sk_buff *skb, u16 type, void *data, u16 len) return -EMSGSIZE; skb_put(skb, TLV_SPA...
e6daf129ccb79d3781129f623f82bc676f2cb02c
Analyze and fix the following issue in the Linux kernel code: net: gso_test: support CONFIG_MAX_SKB_FRAGS up to 45
Problem Details: The test allocs a single page to hold all the frag_list skbs. This is insufficient on kernels with CONFIG_MAX_SKB_FRAGS=45, due to the increased skb_shared_info frags[] array length. gso_test_func: ASSERTION FAILED at net/core/gso_test.c:210 Expected alloc_size <= ((1UL) << 12), but ...
```diff diff --git a/net/core/gso_test.c b/net/core/gso_test.c index ceb684be4cbf..4c2e77bd12f4 100644 --- a/net/core/gso_test.c +++ b/net/core/gso_test.c @@ -180,18 +180,17 @@ static void gso_test_func(struct kunit *test) } if (tcase->frag_skbs) { - unsigned int total_size = 0, total_true_size = 0, alloc_size =...
438cbcdf105d84449fceb39a2d0e16d0ec20708f
Analyze and fix the following issue in the Linux kernel code: net: mdio: fix typo in header
Problem Details: The quotes symbol in "EEE "link partner ability 1 should be at the end of the register name "EEE link partner ability 1" Signed-off-by: Marek Behún <kabel@kernel.org> Reviewed-by: Andrew Lunn <andrew@lunn.ch> Signed-off-by: David S. Miller <davem@davemloft.net>
```diff diff --git a/include/linux/mdio.h b/include/linux/mdio.h index 8fa23bdcedbf..007fd9c3e4b6 100644 --- a/include/linux/mdio.h +++ b/include/linux/mdio.h @@ -420,7 +420,7 @@ static inline u32 linkmode_adv_to_mii_t1_adv_m_t(unsigned long *advertising) * A function that translates value of following registers to t...
16f95f3b95caded251a0440051e44a2fbe9e5f55
Analyze and fix the following issue in the Linux kernel code: KVM: Add KVM_EXIT_MEMORY_FAULT exit to report faults to userspace
Problem Details: Add a new KVM exit type to allow userspace to handle memory faults that KVM cannot resolve, but that userspace *may* be able to handle (without terminating the guest). KVM will initially use KVM_EXIT_MEMORY_FAULT to report implicit conversions between private and shared memory. With guest private mem...
```diff diff --git a/Documentation/virt/kvm/api.rst b/Documentation/virt/kvm/api.rst index 9edd9e436bab..27d945d5b4e4 100644 --- a/Documentation/virt/kvm/api.rst +++ b/Documentation/virt/kvm/api.rst @@ -6846,6 +6846,26 @@ array field represents return values. The userspace should update the return values of SBI call b...
bb58b90b1a8f753b582055adaf448214a8e22c31
Analyze and fix the following issue in the Linux kernel code: KVM: Introduce KVM_SET_USER_MEMORY_REGION2
Problem Details: Introduce a "version 2" of KVM_SET_USER_MEMORY_REGION so that additional information can be supplied without setting userspace up to fail. The padding in the new kvm_userspace_memory_region2 structure will be used to pass a file descriptor in addition to the userspace_addr, i.e. allow userspace to poi...
```diff diff --git a/Documentation/virt/kvm/api.rst b/Documentation/virt/kvm/api.rst index 7025b3751027..9edd9e436bab 100644 --- a/Documentation/virt/kvm/api.rst +++ b/Documentation/virt/kvm/api.rst @@ -6192,6 +6192,28 @@ to know what fields can be changed for the system register described by ``op0, op1, crn, crm, op2...
d497a0fab8b8457214fcc9b1a39530920ea7e95e
Analyze and fix the following issue in the Linux kernel code: KVM: WARN if there are dangling MMU invalidations at VM destruction
Problem Details: Add an assertion that there are no in-progress MMU invalidations when a VM is being destroyed, with the exception of the scenario where KVM unregisters its MMU notifier between an .invalidate_range_start() call and the corresponding .invalidate_range_end(). KVM can't detect unpaired calls from the mmu...
```diff diff --git a/virt/kvm/kvm_main.c b/virt/kvm/kvm_main.c index 9cc57b23ec81..5422ce20dcba 100644 --- a/virt/kvm/kvm_main.c +++ b/virt/kvm/kvm_main.c @@ -1358,9 +1358,16 @@ static void kvm_destroy_vm(struct kvm *kvm) * No threads can be waiting in kvm_swap_active_memslots() as the * last reference on KVM has...
c0db19232c1ed6bd7fcb825c28b014c52732c19e
Analyze and fix the following issue in the Linux kernel code: KVM: Assert that mmu_invalidate_in_progress *never* goes negative
Problem Details: Move the assertion on the in-progress invalidation count from the primary MMU's notifier path to KVM's common notification path, i.e. assert that the count doesn't go negative even when the invalidation is coming from KVM itself. Opportunistically convert the assertion to a KVM_BUG_ON(), i.e. kill onl...
```diff diff --git a/virt/kvm/kvm_main.c b/virt/kvm/kvm_main.c index 0524933856d4..5a97e6c7d9c2 100644 --- a/virt/kvm/kvm_main.c +++ b/virt/kvm/kvm_main.c @@ -833,6 +833,7 @@ void kvm_mmu_invalidate_end(struct kvm *kvm, unsigned long start, * in conjunction with the smp_rmb in mmu_invalidate_retry(). */ kvm->mm...
f726eaa787e9f9bc858c902d18a09af6bcbfcdaf
Analyze and fix the following issue in the Linux kernel code: i2c: designware: Fix corrupted memory seen in the ISR
Problem Details: When running on a many core ARM64 server, errors were happening in the ISR that looked like corrupted memory. These corruptions would fix themselves if small delays were inserted in the ISR. Errors reported by the driver included "i2c_designware APMC0D0F:00: i2c_dw_xfer_msg: invalid target address" and...
```diff diff --git a/drivers/i2c/busses/i2c-designware-common.c b/drivers/i2c/busses/i2c-designware-common.c index affcfb243f0f..35f762872b8a 100644 --- a/drivers/i2c/busses/i2c-designware-common.c +++ b/drivers/i2c/busses/i2c-designware-common.c @@ -63,7 +63,7 @@ static int dw_reg_read(void *context, unsigned int reg,...
e0dd27ad8af00f147ac3c9de88e0687986afc3ea
Analyze and fix the following issue in the Linux kernel code: hwtracing: hisi_ptt: Handle the interrupt in hardirq context
Problem Details: Handle the trace interrupt in the hardirq context, make sure the irq core won't threaded it by declaring IRQF_NO_THREAD and userspace won't balance it by declaring IRQF_NOBALANCING. Otherwise we may violate the synchronization requirements of the perf core, referenced to the change of arm-ccn PMU com...
```diff diff --git a/drivers/hwtracing/ptt/hisi_ptt.c b/drivers/hwtracing/ptt/hisi_ptt.c index 3045d1894b81..dbed4fd4e296 100644 --- a/drivers/hwtracing/ptt/hisi_ptt.c +++ b/drivers/hwtracing/ptt/hisi_ptt.c @@ -342,9 +342,9 @@ static int hisi_ptt_register_irq(struct hisi_ptt *hisi_ptt) return ret; hisi_ptt->trac...
55e0a2fb0cb5ab7c9c99c1ad4d3e6954de8b73a0
Analyze and fix the following issue in the Linux kernel code: hwtracing: hisi_ptt: Add dummy callback pmu::read()
Problem Details: When start trace with perf option "-C $cpu" and immediately stop it with SIGTERM or others, the perf core will invoke pmu::read() while the driver doesn't implement it. Add a dummy pmu::read() to avoid any issues. Fixes: ff0de066b463 ("hwtracing: hisi_ptt: Add trace function support for HiSilicon PCIe...
```diff diff --git a/drivers/hwtracing/ptt/hisi_ptt.c b/drivers/hwtracing/ptt/hisi_ptt.c index 49ea1b0f7489..3045d1894b81 100644 --- a/drivers/hwtracing/ptt/hisi_ptt.c +++ b/drivers/hwtracing/ptt/hisi_ptt.c @@ -1178,6 +1178,10 @@ static void hisi_ptt_pmu_del(struct perf_event *event, int flags) hisi_ptt_pmu_stop(even...
287e82cf69aa264a52bc37591bd0eb407e20f85c
Analyze and fix the following issue in the Linux kernel code: coresight: Fix crash when Perf and sysfs modes are used concurrently
Problem Details: Partially revert the change in commit 6148652807ba ("coresight: Enable and disable helper devices adjacent to the path") which changed the bare call from source_ops(csdev)->enable() to coresight_enable_source() for Perf sessions. It was missed that coresight_enable_source() is specifically for the sysf...
```diff diff --git a/drivers/hwtracing/coresight/coresight-etm-perf.c b/drivers/hwtracing/coresight/coresight-etm-perf.c index 5ca6278baff4..89e8ed214ea4 100644 --- a/drivers/hwtracing/coresight/coresight-etm-perf.c +++ b/drivers/hwtracing/coresight/coresight-etm-perf.c @@ -493,7 +493,7 @@ static void etm_event_start(s...
348ddab81f7b0983d9fb158df910254f08d3f887
Analyze and fix the following issue in the Linux kernel code: coresight: etm4x: Remove bogous __exit annotation for some functions
Problem Details: etm4_platform_driver (which lives in ".data" contains a reference to etm4_remove_platform_dev(). So the latter must not be marked with __exit which results in the function being discarded for a build with CONFIG_CORESIGHT_SOURCE_ETM4X=y which in turn makes the remove pointer contain invalid data. etm4...
```diff diff --git a/drivers/hwtracing/coresight/coresight-etm4x-core.c b/drivers/hwtracing/coresight/coresight-etm4x-core.c index 77b0271ce6eb..34aee59dd147 100644 --- a/drivers/hwtracing/coresight/coresight-etm4x-core.c +++ b/drivers/hwtracing/coresight/coresight-etm4x-core.c @@ -2224,7 +2224,7 @@ static void clear_e...
04c3024560d3a14acd18d0a51a1d0a89d29b7eb5
Analyze and fix the following issue in the Linux kernel code: x86/barrier: Do not serialize MSR accesses on AMD
Problem Details: AMD does not have the requirement for a synchronization barrier when acccessing a certain group of MSRs. Do not incur that unnecessary penalty there. There will be a CPUID bit which explicitly states that a MFENCE is not needed. Once that bit is added to the APM, this will be extended with it. While ...
```diff diff --git a/arch/x86/include/asm/barrier.h b/arch/x86/include/asm/barrier.h index 35389b2af88e..0216f63a366b 100644 --- a/arch/x86/include/asm/barrier.h +++ b/arch/x86/include/asm/barrier.h @@ -81,22 +81,4 @@ do { \ #include <asm-generic/barrier.h> -/* - * Make previous memory operations globally ...
dff655e82faffc287d4a72a59f66fa120bf904e4
Analyze and fix the following issue in the Linux kernel code: net: hns3: fix VF wrong speed and duplex issue
Problem Details: If PF is down, firmware will returns 10 Mbit/s rate and half-duplex mode when PF queries the port information from firmware. After imp reset command is executed, PF status changes to down, and PF will query link status and updates port information from firmware in a periodic scheduled task. However, ...
```diff diff --git a/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_main.c b/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_main.c index c393b4ee4a32..5ea9e59569ef 100644 --- a/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_main.c +++ b/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_main.c @@ -61,6 +61,7 @@ sta...
65e98bb56fa3ce2edb400930c05238c9b380500e
Analyze and fix the following issue in the Linux kernel code: net: hns3: fix VF reset fail issue
Problem Details: Currently the reset process in hns3 and firmware watchdog init process is asynchronous. We think firmware watchdog initialization is completed before VF clear the interrupt source. However, firmware initialization may not complete early. So VF will receive multiple reset interrupts and fail to reset. ...
```diff diff --git a/drivers/net/ethernet/hisilicon/hns3/hns3vf/hclgevf_main.c b/drivers/net/ethernet/hisilicon/hns3/hns3vf/hclgevf_main.c index 1c62e58ff6d8..0aa9beefd1c7 100644 --- a/drivers/net/ethernet/hisilicon/hns3/hns3vf/hclgevf_main.c +++ b/drivers/net/ethernet/hisilicon/hns3/hns3vf/hclgevf_main.c @@ -1981,8 +1...
dbd2f3b20c6ae425665b6975d766e3653d453e73
Analyze and fix the following issue in the Linux kernel code: net: hns3: fix variable may not initialized problem in hns3_init_mac_addr()
Problem Details: When a VF is calling hns3_init_mac_addr(), get_mac_addr() may return fail, then the value of mac_addr_temp is not initialized. Fixes: 76ad4f0ee747 ("net: hns3: Add support of HNS3 Ethernet Driver for hip08 SoC") Signed-off-by: Yonglong Liu <liuyonglong@huawei.com> Signed-off-by: Jijie Shao <shaojijie@...
```diff diff --git a/drivers/net/ethernet/hisilicon/hns3/hns3_enet.c b/drivers/net/ethernet/hisilicon/hns3/hns3_enet.c index 06117502001f..b618797a7e8d 100644 --- a/drivers/net/ethernet/hisilicon/hns3/hns3_enet.c +++ b/drivers/net/ethernet/hisilicon/hns3/hns3_enet.c @@ -5139,7 +5139,7 @@ static int hns3_init_mac_addr(s...
53aba458f23846112c0d44239580ff59bc5c36c3
Analyze and fix the following issue in the Linux kernel code: net: hns3: fix out-of-bounds access may occur when coalesce info is read via debugfs
Problem Details: The hns3 driver define an array of string to show the coalesce info, but if the kernel adds a new mode or a new state, out-of-bounds access may occur when coalesce info is read via debugfs, this patch fix the problem. Fixes: c99fead7cb07 ("net: hns3: add debugfs support for interrupt coalesce") Signed...
```diff diff --git a/drivers/net/ethernet/hisilicon/hns3/hns3_debugfs.c b/drivers/net/ethernet/hisilicon/hns3/hns3_debugfs.c index 0b138635bafa..c083d1d10767 100644 --- a/drivers/net/ethernet/hisilicon/hns3/hns3_debugfs.c +++ b/drivers/net/ethernet/hisilicon/hns3/hns3_debugfs.c @@ -503,11 +503,14 @@ static void hns3_ge...
75b247b57d8b71bcb679e4cb37d0db104848806c
Analyze and fix the following issue in the Linux kernel code: net: hns3: fix incorrect capability bit display for copper port
Problem Details: Currently, the FEC capability bit is default set for device version V2. It's incorrect for the copper port. Eventhough it doesn't make the nic work abnormal, but the capability information display in debugfs may confuse user. So clear it when driver get the port type inforamtion. Fixes: 433ccce83504 (...
```diff diff --git a/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_main.c b/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_main.c index e22279e5d43f..c393b4ee4a32 100644 --- a/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_main.c +++ b/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_main.c @@ -11663,6 +11663,7 ...
ac92c0a9a0603fb448e60f38e63302e4eebb8035
Analyze and fix the following issue in the Linux kernel code: net: hns3: add barrier in vf mailbox reply process
Problem Details: In hclgevf_mbx_handler() and hclgevf_get_mbx_resp() functions, there is a typical store-store and load-load scenario between received_resp and additional_info. This patch adds barrier to fix the problem. Fixes: 4671042f1ef0 ("net: hns3: add match_id to check mailbox response from PF to VF") Signed-off...
```diff diff --git a/drivers/net/ethernet/hisilicon/hns3/hns3vf/hclgevf_mbx.c b/drivers/net/ethernet/hisilicon/hns3/hns3vf/hclgevf_mbx.c index bbf7b14079de..85c2a634c8f9 100644 --- a/drivers/net/ethernet/hisilicon/hns3/hns3vf/hclgevf_mbx.c +++ b/drivers/net/ethernet/hisilicon/hns3/hns3vf/hclgevf_mbx.c @@ -63,6 +63,9 @@...
472a2ff63efb30234cbf6b2cdaf8117f21b4f8bc
Analyze and fix the following issue in the Linux kernel code: net: hns3: fix add VLAN fail issue
Problem Details: The hclge_sync_vlan_filter is called in periodic task, trying to remove VLAN from vlan_del_fail_bmap. It can be concurrence with VLAN adding operation from user. So once user failed to delete a VLAN id, and add it again soon, it may be removed by the periodic task, which may cause the software configur...
```diff diff --git a/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_main.c b/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_main.c index 66e5807903a0..e22279e5d43f 100644 --- a/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_main.c +++ b/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_main.c @@ -10025,8 +10025,6 ...
24c6a097b5a270e05c6e99a99da66b91be81fd7d
Analyze and fix the following issue in the Linux kernel code: slub: Reflow ___slab_alloc()
Problem Details: The get_partial() interface used in ___slab_alloc() may return a single object in the "kmem_cache_debug(s)" case, in which we will just return the "freelist" object. Move this handling up to prepare for later changes. And the "pfmemalloc_match()" part is not needed for node partial slab, since we alr...
```diff diff --git a/mm/slub.c b/mm/slub.c index 63d281dfacdb..0b0fdc8c189f 100644 --- a/mm/slub.c +++ b/mm/slub.c @@ -3216,8 +3216,21 @@ new_objects: pc.slab = &slab; pc.orig_size = orig_size; freelist = get_partial(s, node, &pc); - if (freelist) - goto check_new_slab; + if (freelist) { + if (kmem_cache_debug(...
efb9cbf66440482ceaa90493d648226ab7ec2ebf
Analyze and fix the following issue in the Linux kernel code: RDMA/hns: Fix unnecessary err return when using invalid congest control algorithm
Problem Details: Add a default congest control algorithm so that driver won't return an error when the configured algorithm is invalid. Fixes: f91696f2f053 ("RDMA/hns: Support congestion control type selection according to the FW") Signed-off-by: Junxian Huang <huangjunxian6@hisilicon.com> Link: https://lore.kernel.or...
```diff diff --git a/drivers/infiniband/hw/hns/hns_roce_hw_v2.c b/drivers/infiniband/hw/hns/hns_roce_hw_v2.c index 0cd2612a4987..2bca9560f32d 100644 --- a/drivers/infiniband/hw/hns/hns_roce_hw_v2.c +++ b/drivers/infiniband/hw/hns/hns_roce_hw_v2.c @@ -4760,10 +4760,15 @@ static int check_cong_type(struct ib_qp *ibqp, ...
c170d4ff21a8a525d782e3d1bc58d9538d95afe6
Analyze and fix the following issue in the Linux kernel code: RDMA/hfi1: Copy userspace arrays safely
Problem Details: Currently, memdup_user() is utilized at two positions to copy userspace arrays. This is done without overflow checks. Use the new wrapper memdup_array_user() to copy the arrays more safely. Suggested-by: Dave Airlie <airlied@redhat.com> Signed-off-by: Philipp Stanner <pstanner@redhat.com> Link: https...
```diff diff --git a/drivers/infiniband/hw/hfi1/user_exp_rcv.c b/drivers/infiniband/hw/hfi1/user_exp_rcv.c index 6419872f95cf..cf2d29098406 100644 --- a/drivers/infiniband/hw/hfi1/user_exp_rcv.c +++ b/drivers/infiniband/hw/hfi1/user_exp_rcv.c @@ -491,8 +491,8 @@ int hfi1_user_exp_rcv_clear(struct hfi1_filedata *fd, i...
0550d4604e2ca4e653dc13f0c009fc42106b6bfc
Analyze and fix the following issue in the Linux kernel code: RDMA/core: Fix uninit-value access in ib_get_eth_speed()
Problem Details: KMSAN reported the following uninit-value access issue: lo speed is unknown, defaulting to 1000 ===================================================== BUG: KMSAN: uninit-value in ib_get_width_and_speed drivers/infiniband/core/verbs.c:1889 [inline] BUG: KMSAN: uninit-value in ib_get_eth_speed+0x546/0xaf...
```diff diff --git a/drivers/infiniband/core/verbs.c b/drivers/infiniband/core/verbs.c index 8a6da87f464b..94a7f3b0c71c 100644 --- a/drivers/infiniband/core/verbs.c +++ b/drivers/infiniband/core/verbs.c @@ -1971,7 +1971,7 @@ int ib_get_eth_speed(struct ib_device *dev, u32 port_num, u16 *speed, u8 *width) int rc; u3...
e64e7c74b99ec9e439abca75f522f4b98f220bd1
Analyze and fix the following issue in the Linux kernel code: xen/events: avoid using info_for_irq() in xen_send_IPI_one()
Problem Details: xen_send_IPI_one() is being used by cpuhp_report_idle_dead() after it calls rcu_report_dead(), meaning that any RCU usage by xen_send_IPI_one() is a bad idea. Unfortunately xen_send_IPI_one() is using notify_remote_via_irq() today, which is using irq_get_chip_data() via info_for_irq(). And irq_get_chi...
```diff diff --git a/drivers/xen/events/events_base.c b/drivers/xen/events/events_base.c index 6de6b084ea60..237e6b884f72 100644 --- a/drivers/xen/events/events_base.c +++ b/drivers/xen/events/events_base.c @@ -164,6 +164,8 @@ static DEFINE_PER_CPU(int [NR_VIRQS], virq_to_irq) = {[0 ... NR_VIRQS-1] = -1}; /* IRQ <->...
7930d9e103700cde15833638855b750715c12091
Analyze and fix the following issue in the Linux kernel code: xfs: recovery should not clear di_flushiter unconditionally
Problem Details: Because on v3 inodes, di_flushiter doesn't exist. It overlaps with zero padding in the inode, except when NREXT64=1 configurations are in use and the zero padding is no longer padding but holds the 64 bit extent counter. This manifests obviously on big endian platforms (e.g. s390) because the log dino...
```diff diff --git a/fs/xfs/xfs_inode_item_recover.c b/fs/xfs/xfs_inode_item_recover.c index 1c5ba2a732b0..144198a6b270 100644 --- a/fs/xfs/xfs_inode_item_recover.c +++ b/fs/xfs/xfs_inode_item_recover.c @@ -370,24 +370,26 @@ xlog_recover_inode_commit_pass2( * superblock flag to determine whether we need to look at d...
038ca189c0d2c1570b4d922f25b524007c85cf94
Analyze and fix the following issue in the Linux kernel code: xfs: inode recovery does not validate the recovered inode
Problem Details: Discovered when trying to track down a weird recovery corruption issue that wasn't detected at recovery time. The specific corruption was a zero extent count field when big extent counts are in use, and it turns out the dinode verifier doesn't detect that specific corruption case, either. So fix it to...
```diff diff --git a/fs/xfs/libxfs/xfs_inode_buf.c b/fs/xfs/libxfs/xfs_inode_buf.c index 543f3748c2a3..137a65bda95d 100644 --- a/fs/xfs/libxfs/xfs_inode_buf.c +++ b/fs/xfs/libxfs/xfs_inode_buf.c @@ -510,6 +510,9 @@ xfs_dinode_verify( if (mode && nextents + naextents > nblocks) return __this_address; + if (nexten...
a2e4388adfa44684c7c428a5a5980efe0d75e13e
Analyze and fix the following issue in the Linux kernel code: xfs: fix again select in kconfig XFS_ONLINE_SCRUB_STATS
Problem Details: Commit 57c0f4a8ea3a attempted to fix the select in the kconfig entry XFS_ONLINE_SCRUB_STATS by selecting XFS_DEBUG, but the original intention was to select DEBUG_FS, since the feature relies on debugfs to export the related scrub statistics. Fixes: 57c0f4a8ea3a ("xfs: fix select in config XFS_ONLINE_...
```diff diff --git a/fs/xfs/Kconfig b/fs/xfs/Kconfig index ed0bc8cbc703..567fb37274d3 100644 --- a/fs/xfs/Kconfig +++ b/fs/xfs/Kconfig @@ -147,7 +147,7 @@ config XFS_ONLINE_SCRUB_STATS bool "XFS online metadata check usage data collection" default y depends on XFS_ONLINE_SCRUB - select XFS_DEBUG + select DEBUG_FS...
f63a5b3769ad7659da4c0420751d78958ab97675
Analyze and fix the following issue in the Linux kernel code: xfs: fix internal error from AGFL exhaustion
Problem Details: We've been seeing XFS errors like the following: XFS: Internal error i != 1 at line 3526 of file fs/xfs/libxfs/xfs_btree.c. Caller xfs_btree_insert+0x1ec/0x280 ... Call Trace: xfs_corruption_error+0x94/0xa0 xfs_btree_insert+0x221/0x280 xfs_alloc_fixup_trees+0x104/0x3e0 xfs_alloc_ag_vextent_size+0...
```diff diff --git a/fs/xfs/libxfs/xfs_alloc.c b/fs/xfs/libxfs/xfs_alloc.c index 3069194527dd..100ab5931b31 100644 --- a/fs/xfs/libxfs/xfs_alloc.c +++ b/fs/xfs/libxfs/xfs_alloc.c @@ -2275,16 +2275,37 @@ xfs_alloc_min_freelist( ASSERT(mp->m_alloc_maxlevels > 0); + /* + * For a btree shorter than the maximum heigh...
471de20303dda0b67981e06d59cc6c4a83fd2a3c
Analyze and fix the following issue in the Linux kernel code: xfs: up(ic_sema) if flushing data device fails
Problem Details: We flush the data device cache before we issue external log IO. If the flush fails, we shut down the log immediately and return. However, the iclog->ic_sema is left in a decremented state so let's add an up(). Prior to this patch, xfs/438 would fail consistently when running with an external log device...
```diff diff --git a/fs/xfs/xfs_log.c b/fs/xfs/xfs_log.c index 51c100c86177..ee206facf0dc 100644 --- a/fs/xfs/xfs_log.c +++ b/fs/xfs/xfs_log.c @@ -1893,9 +1893,7 @@ xlog_write_iclog( * the buffer manually, the code needs to be kept in sync * with the I/O completion path. */ - xlog_state_done_syncing(iclog)...
55f669f34184ecb25b8353f29c7f6f1ae5b313d1
Analyze and fix the following issue in the Linux kernel code: xfs: only remap the written blocks in xfs_reflink_end_cow_extent
Problem Details: xfs_reflink_end_cow_extent looks up the COW extent and the data fork extent at offset_fsb, and then proceeds to remap the common subset between the two. It does however not limit the remapped extent to the passed in [*offset_fsbm end_fsb] range and thus potentially remaps more blocks than the one hand...
```diff diff --git a/fs/xfs/xfs_reflink.c b/fs/xfs/xfs_reflink.c index 658edee8381d..e5b62dc28466 100644 --- a/fs/xfs/xfs_reflink.c +++ b/fs/xfs/xfs_reflink.c @@ -784,6 +784,7 @@ xfs_reflink_end_cow_extent( } } del = got; + xfs_trim_extent(&del, *offset_fsb, end_fsb - *offset_fsb); /* Grab the corresponding ...
f8f9d952e42dd49ae534f61f2fa7ca0876cb9848
Analyze and fix the following issue in the Linux kernel code: xfs: abort intent items when recovery intents fail
Problem Details: When recovering intents, we capture newly created intent items as part of committing recovered intent items. If intent recovery fails at a later point, we forget to remove those newly created intent items from the AIL and hang: [root@localhost ~]# cat /proc/539/stack [<0>] xfs_ail_push_all_sy...
```diff diff --git a/fs/xfs/libxfs/xfs_defer.c b/fs/xfs/libxfs/xfs_defer.c index 88388e12f8e7..f71679ce23b9 100644 --- a/fs/xfs/libxfs/xfs_defer.c +++ b/fs/xfs/libxfs/xfs_defer.c @@ -763,12 +763,13 @@ xfs_defer_ops_capture( /* Release all resources that we used to capture deferred ops. */ void -xfs_defer_ops_captur...
022732e3d846e197539712e51ecada90ded0572a
Analyze and fix the following issue in the Linux kernel code: audit: Send netlink ACK before setting connection in auditd_set
Problem Details: When auditd_set sets the auditd_conn pointer, audit messages can immediately be put on the socket by other kernel threads. If the backlog is large or the rate is high, this can immediately fill the socket buffer. If the audit daemon requested an ACK for this operation, a full socket buffer causes the A...
```diff diff --git a/kernel/audit.c b/kernel/audit.c index 16205dd29843..9c8e5f732c4c 100644 --- a/kernel/audit.c +++ b/kernel/audit.c @@ -487,15 +487,19 @@ static void auditd_conn_free(struct rcu_head *rcu) * @pid: auditd PID * @portid: auditd netlink portid * @net: auditd network namespace pointer + * @skb: the...
49e380795414039f7b3bd44c121104f31738dcf1
Analyze and fix the following issue in the Linux kernel code: platform/chrome: sensorhub: Fix typos
Problem Details: Replace 'preceeds' with 'precedes' in the comment. Replace 'porod' with 'period' in the comment. Replace 'noone' with 'no one' in the comment. Replace 'lantency' with 'latency' in the comment. Replace 'kifo' with 'kfifo' in the comment. Replace 'change' with 'chance' in the comment. Signed-off-by: Kua...
```diff diff --git a/drivers/platform/chrome/cros_ec_sensorhub_ring.c b/drivers/platform/chrome/cros_ec_sensorhub_ring.c index 71948dade0e2..9e17f7483ca0 100644 --- a/drivers/platform/chrome/cros_ec_sensorhub_ring.c +++ b/drivers/platform/chrome/cros_ec_sensorhub_ring.c @@ -103,7 +103,7 @@ EXPORT_SYMBOL_GPL(cros_ec_sen...
08e23d05fa6dc4fc13da0ccf09defdd4bbc92ff4
Analyze and fix the following issue in the Linux kernel code: PM / devfreq: Fix buffer overflow in trans_stat_show
Problem Details: Fix buffer overflow in trans_stat_show(). Convert simple snprintf to the more secure scnprintf with size of PAGE_SIZE. Add condition checking if we are exceeding PAGE_SIZE and exit early from loop. Also add at the end a warning that we exceeded PAGE_SIZE and that stats is disabled. Return -EFBIG in ...
```diff diff --git a/Documentation/ABI/testing/sysfs-class-devfreq b/Documentation/ABI/testing/sysfs-class-devfreq index 5e6b74f30406..1e7e0bb4c14e 100644 --- a/Documentation/ABI/testing/sysfs-class-devfreq +++ b/Documentation/ABI/testing/sysfs-class-devfreq @@ -52,6 +52,9 @@ Description: echo 0 > /sys/class/devf...
42d62b7e47d58273c64fc1540e5d81ccfdb60f77
Analyze and fix the following issue in the Linux kernel code: media: vsp1: Remove unbalanced .s_stream(0) calls
Problem Details: The VSP1 driver uses the subdev .s_stream() operation to stop WPF instances, without a corresponding call to start them. The V4L2 subdev core started warning about unbalanced .s_stream() calls in commit 009905ec5043 ("media: v4l2-subdev: Document and enforce .s_stream() requirements"), causing a regres...
```diff diff --git a/drivers/media/platform/renesas/vsp1/vsp1_pipe.c b/drivers/media/platform/renesas/vsp1/vsp1_pipe.c index f8093ba9539e..68d05243c3ee 100644 --- a/drivers/media/platform/renesas/vsp1/vsp1_pipe.c +++ b/drivers/media/platform/renesas/vsp1/vsp1_pipe.c @@ -373,7 +373,7 @@ int vsp1_pipeline_stop(struct vsp...
424a8166764e462258fdccaaefbdeb07517c8b21
Analyze and fix the following issue in the Linux kernel code: spi: spi-zynqmp-gqspi: fix driver kconfig dependencies
Problem Details: ZynqMP GQSPI driver no longer uses spi-master framework. It had been converted to use spi-mem framework. So remove driver dependency from spi-master and replace it with spi-mem. Fixes: 1c26372e5aa9 ("spi: spi-zynqmp-gqspi: Update driver to use spi-mem framework") Signed-off-by: Amit Kumar Mahapatra <a...
```diff diff --git a/drivers/spi/Kconfig b/drivers/spi/Kconfig index 70c9dd6b6a31..ddae0fde798e 100644 --- a/drivers/spi/Kconfig +++ b/drivers/spi/Kconfig @@ -1177,9 +1177,10 @@ config SPI_ZYNQ_QSPI config SPI_ZYNQMP_GQSPI tristate "Xilinx ZynqMP GQSPI controller" - depends on (SPI_MASTER && HAS_DMA) || COMPILE_TE...
adde8a55daf640515edd78b7ac5f3293c3960b8e
Analyze and fix the following issue in the Linux kernel code: spi: stm32: rename stm32f4_* to stm32fx_*
Problem Details: The STM32F4 and STM32F7 SPI peripherals are very similar, therefore most of the driver can be shared between the two. In preparation for adding support for the F7, change all functions and defines to use a generic stm32fx prefix, except for code and registers that differ between the two devices. Signe...
```diff diff --git a/drivers/spi/spi-stm32.c b/drivers/spi/spi-stm32.c index e6e3e4ea29f9..02d1409d7229 100644 --- a/drivers/spi/spi-stm32.c +++ b/drivers/spi/spi-stm32.c @@ -22,58 +22,58 @@ #define DRIVER_NAME "spi_stm32" -/* STM32F4 SPI registers */ -#define STM32F4_SPI_CR1 0x00 -#define STM32F4_SPI_CR2 0x04...
e1eb745006ac484427fca14feb27d79a71c3770d
Analyze and fix the following issue in the Linux kernel code: regulator: stpmic1: Fix kernel-doc notation warnings
Problem Details: No functional modification involved. drivers/regulator/stpmic1_regulator.c:31: warning: expecting prototype for struct stpmic1. Prototype was for struct stpmic1_regulator_cfg instead. Reported-by: Abaci Robot <abaci@linux.alibaba.com> Closes: https://bugzilla.openanolis.cn/show_bug.cgi?id=7206 Signed...
```diff diff --git a/drivers/regulator/stpmic1_regulator.c b/drivers/regulator/stpmic1_regulator.c index 79d1a3eb18d4..a498df7cb016 100644 --- a/drivers/regulator/stpmic1_regulator.c +++ b/drivers/regulator/stpmic1_regulator.c @@ -15,7 +15,7 @@ #include <dt-bindings/mfd/st,stpmic1.h> /** - * struct stpmic1 regulato...
6d02f355c3d2fe86f503793e4df09898e9f9e703
Analyze and fix the following issue in the Linux kernel code: ASoC: dt-bindings: Simplify port schema
Problem Details: The use of 'definitions' is not necessary and also problematic because the dtschema tools don't process 'definitions' resulting in this spurious warning: Documentation/devicetree/bindings/sound/renesas,rsnd.example.dtb: sound@ec500000: port:endpoint: Unevaluated properties are not allowed ('phandle' w...
```diff diff --git a/Documentation/devicetree/bindings/sound/renesas,rsnd.yaml b/Documentation/devicetree/bindings/sound/renesas,rsnd.yaml index 13a5a0a10fe6..1174205286d4 100644 --- a/Documentation/devicetree/bindings/sound/renesas,rsnd.yaml +++ b/Documentation/devicetree/bindings/sound/renesas,rsnd.yaml @@ -9,20 +9,6...
60b4a86cc6b83ccd1e4fb6a74f28a127b8025bce
Analyze and fix the following issue in the Linux kernel code: ASoC: amd: acp: Fix for indentation issue
Problem Details: Fix indentation issue reported in acp70_pcm_resume() function. Fixes: e84db124cb21 (ASoC: amd: acp: Add pci legacy driver support for acp7.0 platform") Signed-off-by: Syed Saba Kareem <Syed.SabaKareem@amd.com> Link: https://lore.kernel.org/r/20231031135949.1064581-1-Syed.SabaKareem@amd.com Signed-of...
```diff diff --git a/sound/soc/amd/acp/acp70.c b/sound/soc/amd/acp/acp70.c index dd384c966ae9..1d699c96f619 100644 --- a/sound/soc/amd/acp/acp70.c +++ b/sound/soc/amd/acp/acp70.c @@ -229,8 +229,8 @@ static int __maybe_unused acp70_pcm_resume(struct device *dev) } } } - spin_unlock(&adata->acp_lock); - return...
bb341f75a05238ccd35b1ec1eb1849a3955eebb3
Analyze and fix the following issue in the Linux kernel code: ASoC: sti-uniperf: Use default pcm_config instead
Problem Details: The sti-uniperf pcm_config is the same as the default pcm_config. Since commit 43556516fffe ("ASoC: soc-generic-dmaengine-pcm: Use default config when none is given"), passing a NULL pointer could let this driver use the default config. Signed-off-by: Keguang Zhang <keguang.zhang@gmail.com> Link: htt...
```diff diff --git a/sound/soc/sti/sti_uniperif.c b/sound/soc/sti/sti_uniperif.c index 2c21a86421e6..ba824f14a39c 100644 --- a/sound/soc/sti/sti_uniperif.c +++ b/sound/soc/sti/sti_uniperif.c @@ -461,10 +461,6 @@ static int sti_uniperiph_cpu_dai_of(struct device_node *node, return 0; } -static const struct snd_dmae...
7e8037b099c0bbe8f2109dc452dbcab8d400fc53
Analyze and fix the following issue in the Linux kernel code: x86/hyperv: Fix the detection of E820_TYPE_PRAM in a Gen2 VM
Problem Details: A Gen2 VM doesn't support legacy PCI/PCIe, so both raw_pci_ops and raw_pci_ext_ops are NULL, and pci_subsys_init() -> pcibios_init() doesn't call pcibios_resource_survey() -> e820__reserve_resources_late(); as a result, any emulated persistent memory of E820_TYPE_PRAM (12) via the kernel parameter memm...
```diff diff --git a/arch/x86/hyperv/hv_init.c b/arch/x86/hyperv/hv_init.c index 21556ad87f4b..8f3a4d16bb79 100644 --- a/arch/x86/hyperv/hv_init.c +++ b/arch/x86/hyperv/hv_init.c @@ -15,6 +15,7 @@ #include <linux/io.h> #include <asm/apic.h> #include <asm/desc.h> +#include <asm/e820/api.h> #include <asm/sev.h> #inc...
72c6303acfa1008c542e093bc9f9916fb99e0323
Analyze and fix the following issue in the Linux kernel code: cgroup/cpuset: Take isolated CPUs out of workqueue unbound cpumask
Problem Details: To make CPUs in isolated cpuset partition closer in isolation to the boot time isolated CPUs specified in the "isolcpus" boot command line option, we need to take those CPUs out of the workqueue unbound cpumask so that work functions from the unbound workqueues won't run on those CPUs. Otherwise, they...
```diff diff --git a/Documentation/admin-guide/cgroup-v2.rst b/Documentation/admin-guide/cgroup-v2.rst index 3f85254f3cef..cf5651a11df8 100644 --- a/Documentation/admin-guide/cgroup-v2.rst +++ b/Documentation/admin-guide/cgroup-v2.rst @@ -2358,11 +2358,11 @@ Cpuset Interface Files partition or scheduling domain. The...
11e5f407b64a8fa09d1a4b336d15bd285a434c1f
Analyze and fix the following issue in the Linux kernel code: cgroup/cpuset: Keep track of CPUs in isolated partitions
Problem Details: Add a new internal isolated_cpus mask to keep track of the CPUs that are in isolated partitions. Expose that new cpumask as a new root-only control file ".cpuset.cpus.isolated". tj: Updated patch description to reflect dropping __DEBUG__ prefix. Signed-off-by: Waiman Long <longman@redhat.com> Signed-...
```diff diff --git a/kernel/cgroup/cpuset.c b/kernel/cgroup/cpuset.c index 615daaf87f1f..19c8779798fd 100644 --- a/kernel/cgroup/cpuset.c +++ b/kernel/cgroup/cpuset.c @@ -204,6 +204,11 @@ struct cpuset { */ static cpumask_var_t subpartitions_cpus; +/* + * Exclusive CPUs in isolated partitions + */ +static cpumask_...
e257da5715365b853439243f89cf5d8a9d382355
Analyze and fix the following issue in the Linux kernel code: wifi: iwlwifi: fix system commands group ordering
Problem Details: The commands should be sorted inside the group definition. Fix the ordering so we won't get following warning: WARN_ON(iwl_cmd_groups_verify_sorted(trans_cfg)) Link: https://lore.kernel.org/regressions/2fa930bb-54dd-4942-a88d-05a47c8e9731@gmail.com/ Link: https://lore.kernel.org/linux-wireless/CAHk-=w...
```diff diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/ops.c b/drivers/net/wireless/intel/iwlwifi/mvm/ops.c index fef86a8b4163..1627b2f819db 100644 --- a/drivers/net/wireless/intel/iwlwifi/mvm/ops.c +++ b/drivers/net/wireless/intel/iwlwifi/mvm/ops.c @@ -550,9 +550,9 @@ static const struct iwl_hcmd_names iwl_mvm_sy...
421fc858023b839106a9c0dc42cd8947cf981d83
Analyze and fix the following issue in the Linux kernel code: selftests: cgroup: Fixes a typo in a comment
Problem Details: Signed-off-by: Atul Kumar Pant <atulpant.linux@gmail.com> Signed-off-by: Tejun Heo <tj@kernel.org>
```diff diff --git a/tools/testing/selftests/cgroup/test_freezer.c b/tools/testing/selftests/cgroup/test_freezer.c index ff519029f6f4..8845353aca53 100644 --- a/tools/testing/selftests/cgroup/test_freezer.c +++ b/tools/testing/selftests/cgroup/test_freezer.c @@ -740,7 +740,7 @@ static int test_cgfreezer_ptraced(const c...
100888fb6d8a185866b1520031ee7e3182b173de
Analyze and fix the following issue in the Linux kernel code: selftests/bpf: Fix pyperf180 compilation failure with clang18
Problem Details: With latest clang18 (main branch of llvm-project repo), when building bpf selftests, [~/work/bpf-next (master)]$ make -C tools/testing/selftests/bpf LLVM=1 -j The following compilation error happens: fatal error: error in backend: Branch target out of insn range ... Stack dump: 0. ...
```diff diff --git a/tools/testing/selftests/bpf/progs/pyperf180.c b/tools/testing/selftests/bpf/progs/pyperf180.c index c39f559d3100..42c4a8b62e36 100644 --- a/tools/testing/selftests/bpf/progs/pyperf180.c +++ b/tools/testing/selftests/bpf/progs/pyperf180.c @@ -1,4 +1,26 @@ // SPDX-License-Identifier: GPL-2.0 // Cop...
2bd5b559a1f391f05927bbb0b31381fa71c61e26
Analyze and fix the following issue in the Linux kernel code: net: ti: icssg-prueth: Fix error cleanup on failing pruss_request_mem_region
Problem Details: We were just continuing in this case, surely not desired. Fixes: 128d5874c082 ("net: ti: icssg-prueth: Add ICSSG ethernet driver") Signed-off-by: Jan Kiszka <jan.kiszka@siemens.com> Reviewed-by: Wojciech Drewek <wojciech.drewek@intel.com> Reviewed-by: Roger Quadros <rogerq@kernel.org> Signed-off-by: D...
```diff diff --git a/drivers/net/ethernet/ti/icssg/icssg_prueth.c b/drivers/net/ethernet/ti/icssg/icssg_prueth.c index 3abbeba26f1b..411898a4f38c 100644 --- a/drivers/net/ethernet/ti/icssg/icssg_prueth.c +++ b/drivers/net/ethernet/ti/icssg/icssg_prueth.c @@ -2063,7 +2063,7 @@ static int prueth_probe(struct platform_dev...
e409d7346648c9acff84c3cc8d291767ee2d5326
Analyze and fix the following issue in the Linux kernel code: net: ti: icssg-prueth: Add missing icss_iep_put to error path
Problem Details: Analogously to prueth_remove, just also taking care for NULL'ing the iep pointers. Fixes: 186734c15886 ("net: ti: icssg-prueth: add packet timestamping and ptp support") Fixes: 443a2367ba3c ("net: ti: icssg-prueth: am65x SR2.0 add 10M full duplex support") Signed-off-by: Jan Kiszka <jan.kiszka@siemens...
```diff diff --git a/drivers/net/ethernet/ti/icssg/icssg_prueth.c b/drivers/net/ethernet/ti/icssg/icssg_prueth.c index 6c4b64227ac8..3abbeba26f1b 100644 --- a/drivers/net/ethernet/ti/icssg/icssg_prueth.c +++ b/drivers/net/ethernet/ti/icssg/icssg_prueth.c @@ -2105,10 +2105,7 @@ static int prueth_probe(struct platform_de...
7add80126bcedddd157ddc09988b032c93ed56c7
Analyze and fix the following issue in the Linux kernel code: drm/uapi: add explicit virtgpu context debug name
Problem Details: There are two problems with the current method of determining the virtio-gpu debug name. 1) TASK_COMM_LEN is defined to be 16 bytes only, and this is a Linux kernel idiom (see PR_SET_NAME + PR_GET_NAME). Though, Android/FreeBSD get around this via setprogname(..)/getprogname(..) in libc. ...
```diff diff --git a/drivers/gpu/drm/virtio/virtgpu_drv.h b/drivers/gpu/drm/virtio/virtgpu_drv.h index 96365a772f77..bb7d86a0c6a1 100644 --- a/drivers/gpu/drm/virtio/virtgpu_drv.h +++ b/drivers/gpu/drm/virtio/virtgpu_drv.h @@ -58,6 +58,9 @@ #define MAX_CAPSET_ID 63 #define MAX_RINGS 64 +/* See virtio_gpu_ctx_create...
5c0930ccaad5a74d74e8b18b648c5eb21ed2fe94
Analyze and fix the following issue in the Linux kernel code: hrtimers: Push pending hrtimers away from outgoing CPU earlier
Problem Details: 2b8272ff4a70 ("cpu/hotplug: Prevent self deadlock on CPU hot-unplug") solved the straight forward CPU hotplug deadlock vs. the scheduler bandwidth timer. Yu discovered a more involved variant where a task which has a bandwidth timer started on the outgoing CPU holds a lock and then gets throttled. If t...
```diff diff --git a/include/linux/cpuhotplug.h b/include/linux/cpuhotplug.h index 068f7738be22..448f5f995adc 100644 --- a/include/linux/cpuhotplug.h +++ b/include/linux/cpuhotplug.h @@ -193,6 +193,7 @@ enum cpuhp_state { CPUHP_AP_ARM_CORESIGHT_CTI_STARTING, CPUHP_AP_ARM64_ISNDEP_STARTING, CPUHP_AP_SMPCFD_DYING, ...
f8e9325f09c778fb61d3cebd27a9f3738e6fea48
Analyze and fix the following issue in the Linux kernel code: drm/i915: update in-source bug filing URLs
Problem Details: The bug filing documentation has been moved from the gitlab wiki to gitlab pages at https://drm.pages.freedesktop.org/intel-docs/. Cc: Joonas Lahtinen <joonas.lahtinen@linux.intel.com> Cc: Rodrigo Vivi <rodrigo.vivi@intel.com> Cc: Tvrtko Ursulin <tvrtko.ursulin@linux.intel.com> Signed-off-by: Jani Nik...
```diff diff --git a/drivers/gpu/drm/i915/Kconfig b/drivers/gpu/drm/i915/Kconfig index ce397a8797f7..b5d6e3352071 100644 --- a/drivers/gpu/drm/i915/Kconfig +++ b/drivers/gpu/drm/i915/Kconfig @@ -94,7 +94,7 @@ config DRM_I915_CAPTURE_ERROR This option enables capturing the GPU state when a hang is detected. This...
c3803203bc5ec910a3eb06172cf6fb368e0e4390
Analyze and fix the following issue in the Linux kernel code: hv/hv_kvp_daemon: Some small fixes for handling NM keyfiles
Problem Details: Some small fixes: - lets make sure we are not adding ipv4 addresses in ipv6 section in keyfile and vice versa. - ADDR_FAMILY_IPV6 is a bit in addr_family. Test that bit instead of checking the whole value of addr_family. - Some trivial fixes in hv_set_ifconfig.sh. These fixes are proposed aft...
```diff diff --git a/tools/hv/hv_kvp_daemon.c b/tools/hv/hv_kvp_daemon.c index 264eeb9c46a9..318e2dad27e0 100644 --- a/tools/hv/hv_kvp_daemon.c +++ b/tools/hv/hv_kvp_daemon.c @@ -1421,7 +1421,7 @@ static int kvp_set_ip_info(char *if_name, struct hv_kvp_ipaddr_value *new_val) if (error) goto setval_error; - if (n...
f032c53bea6d2057c14553832d846be2f151cfb2
Analyze and fix the following issue in the Linux kernel code: tracing/kprobes: Fix the order of argument descriptions
Problem Details: The order of descriptions should be consistent with the argument list of the function, so "kretprobe" should be the second one. int __kprobe_event_gen_cmd_start(struct dynevent_cmd *cmd, bool kretprobe, const char *name, const char *loc, ...) Link: https://lore.kernel...
```diff diff --git a/kernel/trace/trace_kprobe.c b/kernel/trace/trace_kprobe.c index a3442db35670..52f8b537dd0a 100644 --- a/kernel/trace/trace_kprobe.c +++ b/kernel/trace/trace_kprobe.c @@ -1020,9 +1020,9 @@ EXPORT_SYMBOL_GPL(kprobe_event_cmd_init); /** * __kprobe_event_gen_cmd_start - Generate a kprobe event comma...
b8e3a87a627b575896e448021e5c2f8a3bc19931
Analyze and fix the following issue in the Linux kernel code: bpf: Add crosstask check to __bpf_get_stack
Problem Details: Currently get_perf_callchain only supports user stack walking for the current task. Passing the correct *crosstask* param will return 0 frames if the task passed to __bpf_get_stack isn't the current one instead of a single incorrect frame/address. This change passes the correct *crosstask* param but al...
```diff diff --git a/include/uapi/linux/bpf.h b/include/uapi/linux/bpf.h index 095ca7238ac2..7cf8bcf9f6a2 100644 --- a/include/uapi/linux/bpf.h +++ b/include/uapi/linux/bpf.h @@ -4517,6 +4517,8 @@ union bpf_attr { * long bpf_get_task_stack(struct task_struct *task, void *buf, u32 size, u64 flags) * Description * ...
4b21a669ca21ed8f24ef4530b2918be5730114de
Analyze and fix the following issue in the Linux kernel code: ALSA: hda/realtek - Add Dell ALC295 to pin fall back table
Problem Details: Add ALC295 to pin fall back table. Remove 5 pin quirks for Dell ALC295. ALC295 was only support MIC2 for external MIC function. ALC295 assigned model "ALC269_FIXUP_DELL1_MIC_NO_PRESENCE" for pin fall back table. It was assigned wrong model. So, let's remove it. Fixes: fbc571290d9f ("ALSA: hda/realtek ...
```diff diff --git a/sound/pci/hda/patch_realtek.c b/sound/pci/hda/patch_realtek.c index 669ae3d6e447..d689f0050aae 100644 --- a/sound/pci/hda/patch_realtek.c +++ b/sound/pci/hda/patch_realtek.c @@ -10821,22 +10821,6 @@ static const struct snd_hda_pin_quirk alc269_pin_fixup_tbl[] = { {0x12, 0x90a60130}, {0x17, 0x...
8473bfdcb5b1a32fd05629c4535ccacd73bc5567
Analyze and fix the following issue in the Linux kernel code: drm/amdgpu: fix error handling in amdgpu_vm_init
Problem Details: When clearing the root PD fails we need to properly release it again. Signed-off-by: Christian König <christian.koenig@amd.com> Acked-by: Alex Deucher <alexander.deucher@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com> Cc: stable@vger.kernel.org
```diff diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c index 100497cb19e6..d1b8afd105c9 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c @@ -2139,7 +2139,8 @@ long amdgpu_vm_wait_idle(struct amdgpu_vm *vm, long timeout) * Re...
256503071c2de2b5b5c20e06654aa9a44f13aa62
Analyze and fix the following issue in the Linux kernel code: drm/amdgpu: Fix possible null pointer dereference
Problem Details: mem = bo->tbo.resource may be NULL in amdgpu_vm_bo_update. Fixes: 180253782038 ("drm/ttm: stop allocating dummy resources during BO creation") Signed-off-by: Felix Kuehling <Felix.Kuehling@amd.com> Reviewed-by: Christian König <christian.koenig@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@a...
```diff diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c index 904252456d25..100497cb19e6 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c @@ -1098,8 +1098,8 @@ int amdgpu_vm_bo_update(struct amdgpu_device *adev, struct amdgpu_b...
037b98a2312e2587163de14afae8ae1b64b67dda
Analyze and fix the following issue in the Linux kernel code: drm/amdgpu: move UVD and VCE sched entity init after sched init
Problem Details: We need kernel scheduling entities to deal with handle clean up if apps are not cleaned up properly. With commit 56e449603f0ac5 ("drm/sched: Convert the GPU scheduler to variable number of run-queues") the scheduler entities have to be created after scheduler init, so change the ordering to fix this. ...
```diff diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c index e8a26852eb32..7eeaf0aa7f81 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c @@ -2584,6 +2584,18 @@ static int amdgpu_device_init_schedulers(struct am...
a406b8b424fa01f244c1aab02ba186258448c36b
Analyze and fix the following issue in the Linux kernel code: parisc: Prevent booting 64-bit kernels on PA1.x machines
Problem Details: Bail out early with error message when trying to boot a 64-bit kernel on 32-bit machines. This fixes the previous commit to include the check for true 64-bit kernels as well. Signed-off-by: Helge Deller <deller@gmx.de> Fixes: 591d2108f3abc ("parisc: Add runtime check to prevent PA2.0 kernels on PA1.x ...
```diff diff --git a/arch/parisc/kernel/head.S b/arch/parisc/kernel/head.S index a171bf3c6b31..96e0264ac961 100644 --- a/arch/parisc/kernel/head.S +++ b/arch/parisc/kernel/head.S @@ -70,9 +70,8 @@ $bss_loop: stw,ma %arg2,4(%r1) stw,ma %arg3,4(%r1) -#if !defined(CONFIG_64BIT) && defined(CONFIG_PA...
22aa1a209018dc2eca78745f7666db63637cd5dc
Analyze and fix the following issue in the Linux kernel code: drm/panfrost: Really power off GPU cores in panfrost_gpu_power_off()
Problem Details: The layout of the registers {TILER,SHADER,L2}_PWROFF_LO, used to request powering off cores, is the same as the {TILER,SHADER,L2}_PWRON_LO ones: this means that in order to request poweroff of cores, we are supposed to write a bitmask of cores that should be powered off! This means that the panfrost_gp...
```diff diff --git a/drivers/gpu/drm/panfrost/panfrost_gpu.c b/drivers/gpu/drm/panfrost/panfrost_gpu.c index f0be7e19b13e..97f097ee5c1d 100644 --- a/drivers/gpu/drm/panfrost/panfrost_gpu.c +++ b/drivers/gpu/drm/panfrost/panfrost_gpu.c @@ -362,28 +362,38 @@ unsigned long long panfrost_cycle_counter_read(struct panfrost_...
bef4a48f4ef798c4feddf045d49e53c8a97d5e37
Analyze and fix the following issue in the Linux kernel code: spi: Fix null dereference on suspend
Problem Details: A race condition exists where a synchronous (noqueue) transfer can be active during a system suspend. This can cause a null pointer dereference exception to occur when the system resumes. Example order of events leading to the exception: 1. spi_sync() calls __spi_transfer_message_noqueue() which sets ...
```diff diff --git a/drivers/spi/spi.c b/drivers/spi/spi.c index 791df0e69105..8ead7acb99f3 100644 --- a/drivers/spi/spi.c +++ b/drivers/spi/spi.c @@ -3317,33 +3317,52 @@ void spi_unregister_controller(struct spi_controller *ctlr) } EXPORT_SYMBOL_GPL(spi_unregister_controller); +static inline int __spi_check_suspen...
a65e8c0b7855e951138eff077af4a6a8721a7ef6
Analyze and fix the following issue in the Linux kernel code: perf dwarf-aux: Fix die_get_typename() for void *
Problem Details: The die_get_typename() is to return a C-like type name from DWARF debug entry and it follows data type if the target entry is a pointer type. But I found that void pointers don't have the type attribute to follow and then the function returns an error for that case. This results in a broken type stri...
```diff diff --git a/tools/perf/util/dwarf-aux.c b/tools/perf/util/dwarf-aux.c index 2941d88f2199..4849c3bbfd95 100644 --- a/tools/perf/util/dwarf-aux.c +++ b/tools/perf/util/dwarf-aux.c @@ -1090,7 +1090,14 @@ int die_get_typename(Dwarf_Die *vr_die, struct strbuf *buf) return strbuf_addf(buf, "%s%s", tmp, name ?: ""...
719639853d88071dfdfd8d9971eca9c283ff314c
Analyze and fix the following issue in the Linux kernel code: tty: Fix uninit-value access in ppp_sync_receive()
Problem Details: KMSAN reported the following uninit-value access issue: ===================================================== BUG: KMSAN: uninit-value in ppp_sync_input drivers/net/ppp/ppp_synctty.c:690 [inline] BUG: KMSAN: uninit-value in ppp_sync_receive+0xdc9/0xe70 drivers/net/ppp/ppp_synctty.c:334 ppp_sync_input...
```diff diff --git a/drivers/net/ppp/ppp_synctty.c b/drivers/net/ppp/ppp_synctty.c index ebcdffdf4f0e..ea261a628786 100644 --- a/drivers/net/ppp/ppp_synctty.c +++ b/drivers/net/ppp/ppp_synctty.c @@ -687,7 +687,7 @@ ppp_sync_input(struct syncppp *ap, const u8 *buf, const u8 *flags, int count) /* strip address/contro...
ce51e6153f7781bcde0f8bb4c81d6fd85ee422e6
Analyze and fix the following issue in the Linux kernel code: tracing: fprobe-event: Fix to check tracepoint event and return
Problem Details: Fix to check the tracepoint event is not valid with $retval. The commit 08c9306fc2e3 ("tracing/fprobe-event: Assume fprobe is a return event by $retval") introduced automatic return probe conversion with $retval. But since tracepoint event does not support return probe, $retval is not acceptable. With...
```diff diff --git a/kernel/trace/trace_fprobe.c b/kernel/trace/trace_fprobe.c index 8bfe23af9c73..7d2ddbcfa377 100644 --- a/kernel/trace/trace_fprobe.c +++ b/kernel/trace/trace_fprobe.c @@ -927,11 +927,12 @@ static int parse_symbol_and_return(int argc, const char *argv[], for (i = 2; i < argc; i++) { tmp = strstr...
18f039428c7df183b09c69ebf10ffd4e521035d2
Analyze and fix the following issue in the Linux kernel code: ipvlan: add ipvlan_route_v6_outbound() helper
Problem Details: Inspired by syzbot reports using a stack of multiple ipvlan devices. Reduce stack size needed in ipvlan_process_v6_outbound() by moving the flowi6 struct used for the route lookup in an non inlined helper. ipvlan_route_v6_outbound() needs 120 bytes on the stack, immediately reclaimed. Also make sure ...
```diff diff --git a/drivers/net/ipvlan/ipvlan_core.c b/drivers/net/ipvlan/ipvlan_core.c index 21e9cac73121..2d5b021b4ea6 100644 --- a/drivers/net/ipvlan/ipvlan_core.c +++ b/drivers/net/ipvlan/ipvlan_core.c @@ -411,7 +411,7 @@ struct ipvl_addr *ipvlan_addr_lookup(struct ipvl_port *port, void *lyr3h, return addr; } ...
871019b22d1bcc9fab2d1feba1b9a564acbb6e99
Analyze and fix the following issue in the Linux kernel code: net: set SOCK_RCU_FREE before inserting socket into hashtable
Problem Details: We've started to see the following kernel traces: WARNING: CPU: 83 PID: 0 at net/core/filter.c:6641 sk_lookup+0x1bd/0x1d0 Call Trace: <IRQ> __bpf_skc_lookup+0x10d/0x120 bpf_sk_lookup+0x48/0xd0 bpf_sk_lookup_tcp+0x19/0x20 bpf_prog_<redacted>+0x37c/0x16a3 cls_bpf_classify+0x205/0x2e0 tc...
```diff diff --git a/net/ipv4/inet_hashtables.c b/net/ipv4/inet_hashtables.c index 598c1b114d2c..a532f749e477 100644 --- a/net/ipv4/inet_hashtables.c +++ b/net/ipv4/inet_hashtables.c @@ -751,12 +751,12 @@ int __inet_hash(struct sock *sk, struct sock *osk) if (err) goto unlock; } + sock_set_flag(sk, SOCK_RCU_FR...
8a4f030dbced6fc255cbe67b2d0a129947e18493
Analyze and fix the following issue in the Linux kernel code: ptp: Fixes a null pointer dereference in ptp_ioctl
Problem Details: Syzkaller found a null pointer dereference in ptp_ioctl originating from the lack of a null check for tsevq. ``` general protection fault, probably for non-canonical address 0xdffffc000000020b: 0000 [#1] PREEMPT SMP KASAN KASAN: probably user-memory-access in range [0x0000000000001058-0x000000000000...
```diff diff --git a/drivers/ptp/ptp_chardev.c b/drivers/ptp/ptp_chardev.c index 3f7a74788802..e95a6ed130ef 100644 --- a/drivers/ptp/ptp_chardev.c +++ b/drivers/ptp/ptp_chardev.c @@ -176,6 +176,8 @@ long ptp_ioctl(struct posix_clock_context *pccontext, unsigned int cmd, int enable, err = 0; tsevq = pccontext->pri...
d27abbfd4888d79dd24baf50e774631046ac4732
Analyze and fix the following issue in the Linux kernel code: pwm: Fix double shift bug
Problem Details: These enums are passed to set/test_bit(). The set/test_bit() functions take a bit number instead of a shifted value. Passing a shifted value is a double shift bug like doing BIT(BIT(1)). The double shift bug doesn't cause a problem here because we are only checking 0 and 1 but if the value was 5 or ...
```diff diff --git a/include/linux/pwm.h b/include/linux/pwm.h index e3b437587b32..cda3597b84f2 100644 --- a/include/linux/pwm.h +++ b/include/linux/pwm.h @@ -41,8 +41,8 @@ struct pwm_args { }; enum { - PWMF_REQUESTED = 1 << 0, - PWMF_EXPORTED = 1 << 1, + PWMF_REQUESTED = 0, + PWMF_EXPORTED = 1, }; /* ```
a2da597ff6f5504fc99163de4f15b7f3a129894e
Analyze and fix the following issue in the Linux kernel code: pwm: samsung: Fix a bit test in pwm_samsung_resume()
Problem Details: The PWMF_REQUESTED enum is supposed to be used with test_bit() and not used as in a bitwise AND. In this specific code the flag will never be set so the function is effectively a no-op. Fixes: e3fe982b2e4e ("pwm: samsung: Put per-channel data into driver data") Signed-off-by: Dan Carpenter <dan.carpe...
```diff diff --git a/drivers/pwm/pwm-samsung.c b/drivers/pwm/pwm-samsung.c index 568491ed6829..69d9f4577b34 100644 --- a/drivers/pwm/pwm-samsung.c +++ b/drivers/pwm/pwm-samsung.c @@ -631,7 +631,7 @@ static int pwm_samsung_resume(struct device *dev) struct pwm_device *pwm = &chip->pwms[i]; struct samsung_pwm_chann...