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6f9a40d61cad0f5560e8530b4dd4a05fc4d15987
Analyze and fix the following issue in the Linux kernel code: ALSA: hda: cs35l41: Component should be unbound before deconstruction
Problem Details: The interface associated with the hda_component should be deactivated before the driver is deconstructed during removal. Fixes: 7b2f3eb492da ("ALSA: hda: cs35l41: Add support for CS35L41 in HDA systems") Signed-off-by: Simon Trimmer <simont@opensource.cirrus.com> Signed-off-by: Takashi Iwai <tiwai@sus...
```diff diff --git a/sound/pci/hda/cs35l41_hda.c b/sound/pci/hda/cs35l41_hda.c index d54d4d60b03e..031703f010be 100644 --- a/sound/pci/hda/cs35l41_hda.c +++ b/sound/pci/hda/cs35l41_hda.c @@ -2019,6 +2019,8 @@ void cs35l41_hda_remove(struct device *dev) { struct cs35l41_hda *cs35l41 = dev_get_drvdata(dev); + compon...
721f2e6653f5ab0cc52b3a459c4a2158b92fcf80
Analyze and fix the following issue in the Linux kernel code: ALSA: hda: cs35l56: Component should be unbound before deconstruction
Problem Details: The interface associated with the hda_component should be deactivated before the driver is deconstructed during removal. Fixes: 73cfbfa9caea ("ALSA: hda/cs35l56: Add driver for Cirrus Logic CS35L56 amplifier") Signed-off-by: Simon Trimmer <simont@opensource.cirrus.com> Signed-off-by: Takashi Iwai <tiw...
```diff diff --git a/sound/pci/hda/cs35l56_hda.c b/sound/pci/hda/cs35l56_hda.c index 0923e2589f5f..e134ede6c5aa 100644 --- a/sound/pci/hda/cs35l56_hda.c +++ b/sound/pci/hda/cs35l56_hda.c @@ -1077,12 +1077,12 @@ void cs35l56_hda_remove(struct device *dev) { struct cs35l56_hda *cs35l56 = dev_get_drvdata(dev); + comp...
a6a75edc8669a4f030546c7390808ef0cc034742
Analyze and fix the following issue in the Linux kernel code: ata: libata-scsi: Set the RMB bit only for removable media devices
Problem Details: The SCSI Removable Media Bit (RMB) should only be set for removable media, where the device stays and the media changes, e.g. CD-ROM or floppy. The ATA removable media device bit is obsoleted since ATA-8 ACS (2006), but before that it was used to indicate that the device can have its media removed (wh...
```diff diff --git a/drivers/ata/libata-scsi.c b/drivers/ata/libata-scsi.c index cdf29b178ddc..bb4d30d377ae 100644 --- a/drivers/ata/libata-scsi.c +++ b/drivers/ata/libata-scsi.c @@ -1831,11 +1831,11 @@ static unsigned int ata_scsiop_inq_std(struct ata_scsi_args *args, u8 *rbuf) 2 }; - /* set scsi removable (RMB...
50fe0fc6e206c9b85a0a6cc183ee5513d70179d1
Analyze and fix the following issue in the Linux kernel code: HID: bpf: convert in-tree fixes into struct_ops
Problem Details: Very mechanical: - Change HID_BPF_DEVICE_EVENT and HID_BPF_RDESC_FIXUP #defines - add a matching SEC(".struct_ops.link") - in ArtistPro16Gen2 make the 2 functions static and have a new one calling them Link: https://lore.kernel.org/r/20240608-hid_bpf_struct_ops-v3-7-6ac6ade58329@kernel.org Signed-of...
```diff diff --git a/drivers/hid/bpf/progs/FR-TEC__Raptor-Mach-2.bpf.c b/drivers/hid/bpf/progs/FR-TEC__Raptor-Mach-2.bpf.c index 2c2c1637ade8..caec91391d32 100644 --- a/drivers/hid/bpf/progs/FR-TEC__Raptor-Mach-2.bpf.c +++ b/drivers/hid/bpf/progs/FR-TEC__Raptor-Mach-2.bpf.c @@ -168,6 +168,11 @@ int BPF_PROG(raptor_mach...
df67602fb8d5a02e40f37efcf4b5cb958c8ca880
Analyze and fix the following issue in the Linux kernel code: HID: bpf: add defines for HID-BPF SEC in in-tree bpf fixes
Problem Details: We are going to switch over struct_ops, so instead of having to manually replace all fields one by one, let's have a common place to change it. Link: https://lore.kernel.org/r/20240608-hid_bpf_struct_ops-v3-6-6ac6ade58329@kernel.org Signed-off-by: Benjamin Tissoires <bentiss@kernel.org>
```diff diff --git a/drivers/hid/bpf/progs/FR-TEC__Raptor-Mach-2.bpf.c b/drivers/hid/bpf/progs/FR-TEC__Raptor-Mach-2.bpf.c index dc26a7677d36..2c2c1637ade8 100644 --- a/drivers/hid/bpf/progs/FR-TEC__Raptor-Mach-2.bpf.c +++ b/drivers/hid/bpf/progs/FR-TEC__Raptor-Mach-2.bpf.c @@ -133,7 +133,7 @@ HID_BPF_CONFIG( * int...
bfefbecdeadc608c625e85259ad0a89d34728d61
Analyze and fix the following issue in the Linux kernel code: leds: class: Warn about name collisions earlier
Problem Details: Other warnings refer to the name after renaming, which is clearer when that name is mentioned first. It is also clearer where "ret" comes from. While at it, also add the necessary newline to the message and fix the parameter alignment. Signed-off-by: Thomas Weißschuh <linux@weissschuh.net> Link: htt...
```diff diff --git a/drivers/leds/led-class.c b/drivers/leds/led-class.c index 24fcff682b24..c298355d5b7d 100644 --- a/drivers/leds/led-class.c +++ b/drivers/leds/led-class.c @@ -503,6 +503,9 @@ int led_classdev_register_ext(struct device *parent, ret = led_classdev_next_name(proposed_name, final_name, sizeof(final_n...
cbfad55322ceee283ff1dd053725b93c86018b88
Analyze and fix the following issue in the Linux kernel code: net: stmmac: dwmac-stm32: Fix Mhz to MHz
Problem Details: Trivial, fix up the comments using 'Mhz' to 'MHz'. No functional change. Signed-off-by: Marek Vasut <marex@denx.de> Signed-off-by: Christophe Roullier <christophe.roullier@foss.st.com> Signed-off-by: Paolo Abeni <pabeni@redhat.com>
```diff diff --git a/drivers/net/ethernet/stmicro/stmmac/dwmac-stm32.c b/drivers/net/ethernet/stmicro/stmmac/dwmac-stm32.c index 75981ac2cbb5..bed2be129b2d 100644 --- a/drivers/net/ethernet/stmicro/stmmac/dwmac-stm32.c +++ b/drivers/net/ethernet/stmicro/stmmac/dwmac-stm32.c @@ -58,7 +58,7 @@ * Below table summarizes ...
c60a54b52026bd2c9a88ae00f2aac7a67fed8e38
Analyze and fix the following issue in the Linux kernel code: net: stmmac: dwmac-stm32: Clean up the debug prints
Problem Details: Use dev_err()/dev_dbg() and phy_modes() to print PHY mode instead of pr_debug() and hand-written PHY mode decoding. This way, each debug print has associated device with it and duplicated mode decoding is removed. Signed-off-by: Marek Vasut <marex@denx.de> Signed-off-by: Christophe Roullier <christoph...
```diff diff --git a/drivers/net/ethernet/stmicro/stmmac/dwmac-stm32.c b/drivers/net/ethernet/stmicro/stmmac/dwmac-stm32.c index aa413edd1ef7..75981ac2cbb5 100644 --- a/drivers/net/ethernet/stmicro/stmmac/dwmac-stm32.c +++ b/drivers/net/ethernet/stmicro/stmmac/dwmac-stm32.c @@ -228,19 +228,16 @@ static int stm32mp1_con...
004b8d1491b4bcbb7da1a3206d1e7e66822d47c6
Analyze and fix the following issue in the Linux kernel code: ovl: fix encoding fid for lower only root
Problem Details: ovl_check_encode_origin() should return a positive number if the lower dentry is to be encoded, zero otherwise. If there's no upper layer at all (read-only overlay), then it obviously needs to return positive. This was broken by commit 16aac5ad1fa9 ("ovl: support encoding non-decodable file handles")...
```diff diff --git a/fs/overlayfs/export.c b/fs/overlayfs/export.c index 063409069f56..5868cb222955 100644 --- a/fs/overlayfs/export.c +++ b/fs/overlayfs/export.c @@ -181,6 +181,10 @@ static int ovl_check_encode_origin(struct dentry *dentry) struct ovl_fs *ofs = OVL_FS(dentry->d_sb); bool decodable = ofs->config.nf...
68f860426d500cfb697b505799244c7dfff604b1
Analyze and fix the following issue in the Linux kernel code: mfd: axp20x: AXP717: Fix missing IRQ status registers range
Problem Details: While we list the "IRQ status *and acknowledge*" registers as volatile in the MFD description, they are missing from the writable range array, so acknowledging any interrupts was met with an -EIO error. This error propagates up, leading to the whole AXP717 driver failing to probe, which is fatal to mos...
```diff diff --git a/drivers/mfd/axp20x.c b/drivers/mfd/axp20x.c index f2c0f144c0fc..dacd3c96c9f5 100644 --- a/drivers/mfd/axp20x.c +++ b/drivers/mfd/axp20x.c @@ -210,6 +210,7 @@ static const struct regmap_access_table axp313a_volatile_table = { static const struct regmap_range axp717_writeable_ranges[] = { regmap...
9f36169912331fa035d7b73a91252d7c2512eb1a
Analyze and fix the following issue in the Linux kernel code: cipso: fix total option length computation
Problem Details: As evident from the definition of ip_options_get(), the IP option IPOPT_END is used to pad the IP option data array, not IPOPT_NOP. Yet the loop that walks the IP options to determine the total IP options length in cipso_v4_delopt() doesn't take IPOPT_END into account. Fix it by recognizing the IPOPT_...
```diff diff --git a/net/ipv4/cipso_ipv4.c b/net/ipv4/cipso_ipv4.c index dd6d46015058..5e9ac68444f8 100644 --- a/net/ipv4/cipso_ipv4.c +++ b/net/ipv4/cipso_ipv4.c @@ -2013,12 +2013,16 @@ static int cipso_v4_delopt(struct ip_options_rcu __rcu **opt_ptr) * from there we can determine the new total option length */ ...
a0a306f9f618bf2409eda25f1449143a09b6584a
Analyze and fix the following issue in the Linux kernel code: accel/ivpu: Remove duplicated debug messages
Problem Details: Remove duplicated debug messages from ivpu_jsm_(un)register_db(). Debug messages are already printed one level higher. Signed-off-by: Jacek Lawrynowicz <jacek.lawrynowicz@linux.intel.com> Reviewed-by: Wachowski, Karol <karol.wachowski@intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/2024...
```diff diff --git a/drivers/accel/ivpu/ivpu_jsm_msg.c b/drivers/accel/ivpu/ivpu_jsm_msg.c index 216aa61ba209..46ef16c3c069 100644 --- a/drivers/accel/ivpu/ivpu_jsm_msg.c +++ b/drivers/accel/ivpu/ivpu_jsm_msg.c @@ -103,14 +103,10 @@ int ivpu_jsm_register_db(struct ivpu_device *vdev, u32 ctx_id, u32 db_id, ret = ivp...
7e92061f1e9d1f6d3bfa6113719534f2c773b041
Analyze and fix the following issue in the Linux kernel code: gpiolib: put gpio_suffixes in a single compilation unit
Problem Details: The gpio_suffixes array is defined in the gpiolib.h header. This means the array is stored in .rodata of every compilation unit that includes it. Put the definition for the array in gpiolib.c and export just the symbol in the header. We need the size of the array so expose it too. Reviewed-by: Mika We...
```diff diff --git a/drivers/gpio/gpiolib-acpi.c b/drivers/gpio/gpiolib-acpi.c index bb063b81cee6..69cd2be9c7f3 100644 --- a/drivers/gpio/gpiolib-acpi.c +++ b/drivers/gpio/gpiolib-acpi.c @@ -976,7 +976,7 @@ __acpi_find_gpio(struct fwnode_handle *fwnode, const char *con_id, unsigned int int i; /* Try first from _D...
0d9c2beed116e623ac30810d382bd67163650f98
Analyze and fix the following issue in the Linux kernel code: wifi: mac80211: fix monitor channel with chanctx emulation
Problem Details: After the channel context emulation, there were reports that changing the monitor channel no longer works. This is because those drivers don't have WANT_MONITOR_VIF, so the setting the channel always exits out quickly. Fix this by always allocating the virtual monitor sdata, and simply not telling the...
```diff diff --git a/net/mac80211/driver-ops.c b/net/mac80211/driver-ops.c index dce37ba8ebe3..254d745832cb 100644 --- a/net/mac80211/driver-ops.c +++ b/net/mac80211/driver-ops.c @@ -311,6 +311,18 @@ int drv_assign_vif_chanctx(struct ieee80211_local *local, might_sleep(); lockdep_assert_wiphy(local->hw.wiphy); + ...
2663d0462eb32ae7c9b035300ab6b1523886c718
Analyze and fix the following issue in the Linux kernel code: wifi: mac80211: Avoid address calculations via out of bounds array indexing
Problem Details: req->n_channels must be set before req->channels[] can be used. This patch fixes one of the issues encountered in [1]. [ 83.964255] UBSAN: array-index-out-of-bounds in net/mac80211/scan.c:364:4 [ 83.964258] index 0 is out of range for type 'struct ieee80211_channel *[]' [...] [ 83.964264] Call ...
```diff diff --git a/net/mac80211/scan.c b/net/mac80211/scan.c index 8ecc4b710b0e..b5f2df61c7f6 100644 --- a/net/mac80211/scan.c +++ b/net/mac80211/scan.c @@ -358,7 +358,8 @@ static bool ieee80211_prep_hw_scan(struct ieee80211_sub_if_data *sdata) struct cfg80211_scan_request *req; struct cfg80211_chan_def chandef; ...
22f00812862564b314784167a89f27b444f82a46
Analyze and fix the following issue in the Linux kernel code: USB: class: cdc-wdm: Fix CPU lockup caused by excessive log messages
Problem Details: The syzbot fuzzer found that the interrupt-URB completion callback in the cdc-wdm driver was taking too long, and the driver's immediate resubmission of interrupt URBs with -EPROTO status combined with the dummy-hcd emulation to cause a CPU lockup: cdc_wdm 1-1:1.0: nonzero urb status received: -71 cdc...
```diff diff --git a/drivers/usb/class/cdc-wdm.c b/drivers/usb/class/cdc-wdm.c index c553decb5461..6830be4419e2 100644 --- a/drivers/usb/class/cdc-wdm.c +++ b/drivers/usb/class/cdc-wdm.c @@ -266,14 +266,14 @@ static void wdm_int_callback(struct urb *urb) dev_err(&desc->intf->dev, "Stall on int endpoint\n"); got...
245b0edf4838874801cd35b0507ed9ec38742e8e
Analyze and fix the following issue in the Linux kernel code: tools/perf: Fix timing issue with parallel threads in perf bench wake-up-parallel
Problem Details: perf bench futex fails as below and hangs intermittently when attempted to run on on a powerpc system: ./perf bench futex wake-parallel Running 'futex/wake-parallel' benchmark: Run summary [PID 88588]: blocking on 640 threads (at [private] futex 0x10464b8c), 640 threads waking up 1 at a time. [Run ...
```diff diff --git a/tools/perf/bench/futex-wake-parallel.c b/tools/perf/bench/futex-wake-parallel.c index 90a5b91bf139..4352e318631e 100644 --- a/tools/perf/bench/futex-wake-parallel.c +++ b/tools/perf/bench/futex-wake-parallel.c @@ -318,7 +318,7 @@ int bench_futex_wake_parallel(int argc, const char **argv) cond_br...
3638e44542a56e8adc2018df4894eaf31d387c54
Analyze and fix the following issue in the Linux kernel code: tools/perf: Fix perf bench epoll to enable the run when some CPU's are offline
Problem Details: Perf bench epoll fails as below when attempted to run on on a powerpc system: ./perf bench epoll wait Running 'epoll/wait' benchmark: Run summary [PID 627653]: 79 threads monitoring on 64 file-descriptors for 8 secs. perf: pthread_create: No such file or directory In the setup where this...
```diff diff --git a/tools/perf/bench/epoll-ctl.c b/tools/perf/bench/epoll-ctl.c index d3db73dac66a..d66d852b90e4 100644 --- a/tools/perf/bench/epoll-ctl.c +++ b/tools/perf/bench/epoll-ctl.c @@ -232,7 +232,7 @@ static int do_threads(struct worker *worker, struct perf_cpu_map *cpu) if (!noaffinity) pthread_attr_ini...
183373586743a73da51b505ae3f4e5eb6300f208
Analyze and fix the following issue in the Linux kernel code: tools/perf: Fix perf bench futex to enable the run when some CPU's are offline
Problem Details: Perf bench futex fails as below when attempted to run on on a powerpc system: ./perf bench futex all Running futex/hash benchmark... Run summary [PID 626307]: 80 threads, each operating on 1024 [private] futexes for 10 secs. perf: pthread_create: No such file or directory In the setup where this p...
```diff diff --git a/tools/perf/bench/futex-hash.c b/tools/perf/bench/futex-hash.c index 0c69d20efa32..b472eded521b 100644 --- a/tools/perf/bench/futex-hash.c +++ b/tools/perf/bench/futex-hash.c @@ -174,7 +174,7 @@ int bench_futex_hash(int argc, const char **argv) pthread_attr_init(&thread_attr); gettimeofday(&benc...
b57cd5703a1618e87772094ac12c5ee7d6c35e2f
Analyze and fix the following issue in the Linux kernel code: platform/chrome: cros_ec_lpc: Handle zero length read/write
Problem Details: cros_ec_lpc_mec_read_bytes and cros_ec_lpc_mec_write_bytes call cros_ec_lpc_mec_in_range, which checks if addresses are in the MEC address range, and returns -EINVAL if the range given is not sensible. However cros_ec_lpc_mec_in_range was also returning -EINVAL for a zero length range. A zero length ...
```diff diff --git a/drivers/platform/chrome/cros_ec_lpc_mec.c b/drivers/platform/chrome/cros_ec_lpc_mec.c index dfad934e65ca..a56584171168 100644 --- a/drivers/platform/chrome/cros_ec_lpc_mec.c +++ b/drivers/platform/chrome/cros_ec_lpc_mec.c @@ -93,9 +93,6 @@ static void cros_ec_lpc_mec_emi_write_address(u16 addr, *...
f4a1254f2a076afb0edd473589bf40f9b4d36b41
Analyze and fix the following issue in the Linux kernel code: io_uring: fix cancellation overwriting req->flags
Problem Details: Only the current owner of a request is allowed to write into req->flags. Hence, the cancellation path should never touch it. Add a new field instead of the flag, move it into the 3rd cache line because it should always be initialised. poll_refs can move further as polling is an involved process anyway....
```diff diff --git a/include/linux/io_uring_types.h b/include/linux/io_uring_types.h index 7a6b190c7da7..b48570eaa449 100644 --- a/include/linux/io_uring_types.h +++ b/include/linux/io_uring_types.h @@ -648,7 +648,7 @@ struct io_kiocb { struct io_rsrc_node *rsrc_node; atomic_t refs; - atomic_t poll_refs; + b...
57619f3cdeb5ae9f4252833b0ed600e9f81da722
Analyze and fix the following issue in the Linux kernel code: scsi: usb: uas: Do not query the IO Advice Hints Grouping mode page for USB/UAS devices
Problem Details: Recently it was reported that the following USB storage devices are unusable with Linux kernel 6.9: * Kingston DataTraveler G2 * Garmin FR35 This is because attempting to read the IO Advice Hints Grouping mode page causes these devices to reset. Hence do not read the IO Advice Hints Grouping mode p...
```diff diff --git a/drivers/usb/storage/scsiglue.c b/drivers/usb/storage/scsiglue.c index b31464740f6c..8c8b5e6041cc 100644 --- a/drivers/usb/storage/scsiglue.c +++ b/drivers/usb/storage/scsiglue.c @@ -79,6 +79,12 @@ static int slave_alloc (struct scsi_device *sdev) if (us->protocol == USB_PR_BULK && us->max_lun > 0...
633aeefafc9c2a07a76a62be6aac1d73c3e3defa
Analyze and fix the following issue in the Linux kernel code: scsi: core: Introduce the BLIST_SKIP_IO_HINTS flag
Problem Details: Prepare for skipping the IO Advice Hints Grouping mode page for USB storage devices. Cc: Alan Stern <stern@rowland.harvard.edu> Cc: Joao Machado <jocrismachado@gmail.com> Cc: Andy Shevchenko <andy.shevchenko@gmail.com> Cc: Christian Heusel <christian@heusel.eu> Cc: stable@vger.kernel.org Fixes: 4f5313...
```diff diff --git a/drivers/scsi/sd.c b/drivers/scsi/sd.c index fbc11046bbf6..fe82baa924f8 100644 --- a/drivers/scsi/sd.c +++ b/drivers/scsi/sd.c @@ -63,6 +63,7 @@ #include <scsi/scsi_cmnd.h> #include <scsi/scsi_dbg.h> #include <scsi/scsi_device.h> +#include <scsi/scsi_devinfo.h> #include <scsi/scsi_driver.h> #in...
135c6eb27a85c8b261a2cc1f5093abcda6ee9010
Analyze and fix the following issue in the Linux kernel code: scsi: ufs: core: Free memory allocated for model before reinit
Problem Details: Under the conditions that a device is to be reinitialized within ufshcd_probe_hba(), the device must first be fully reset. Resetting the device should include freeing U8 model (member of dev_info) but does not, and this causes a memory leak. ufs_put_device_desc() is responsible for freeing model. un...
```diff diff --git a/drivers/ufs/core/ufshcd.c b/drivers/ufs/core/ufshcd.c index e5e9da61f15d..1b65e6ae4137 100644 --- a/drivers/ufs/core/ufshcd.c +++ b/drivers/ufs/core/ufshcd.c @@ -8787,6 +8787,7 @@ static int ufshcd_probe_hba(struct ufs_hba *hba, bool init_dev_params) (hba->quirks & UFSHCD_QUIRK_REINIT_AFTER_M...
4467c09bc7a66a17ffd84d6262d48279b26106ea
Analyze and fix the following issue in the Linux kernel code: net: mvpp2: use slab_build_skb for oversized frames
Problem Details: Setting frag_size to 0 to indicate kmalloc has been deprecated, use slab_build_skb directly. Fixes: ce098da1497c ("skbuff: Introduce slab_build_skb()") Signed-off-by: Aryan Srivastava <aryan.srivastava@alliedtelesis.co.nz> Reviewed-by: Kees Cook <kees@kernel.org> Link: https://lore.kernel.org/r/202406...
```diff diff --git a/drivers/net/ethernet/marvell/mvpp2/mvpp2_main.c b/drivers/net/ethernet/marvell/mvpp2/mvpp2_main.c index e91486c48de3..671368d2c77e 100644 --- a/drivers/net/ethernet/marvell/mvpp2/mvpp2_main.c +++ b/drivers/net/ethernet/marvell/mvpp2/mvpp2_main.c @@ -4014,7 +4014,10 @@ static int mvpp2_rx(struct mvp...
a90797993afcb0eaf6bf47a062ff47eb3810a6d5
Analyze and fix the following issue in the Linux kernel code: bpf: verifier: make kfuncs args nullalble
Problem Details: Some arguments to kfuncs might be NULL in some cases. But currently it's not possible to pass NULL to any BTF structures because the check for the suffix is located after all type checks. Move it to earlier place to allow nullable args. Acked-by: Eduard Zingerman <eddyz87@gmail.com> Signed-off-by: Vad...
```diff diff --git a/kernel/bpf/verifier.c b/kernel/bpf/verifier.c index acc9dd830807..e857b08e1f2d 100644 --- a/kernel/bpf/verifier.c +++ b/kernel/bpf/verifier.c @@ -11187,6 +11187,9 @@ get_kfunc_ptr_arg_type(struct bpf_verifier_env *env, if (btf_is_prog_ctx_type(&env->log, meta->btf, t, resolve_prog_type(env->prog)...
3dc59489fda386bd3fedbb1787ee08619afd5aee
Analyze and fix the following issue in the Linux kernel code: video/logo: Make logo data const again
Problem Details: As gcc-4.1 is no longer supported, the logo data can be made const again. Hence revert commit 15e3252464432a29 ("fbdev: work around old compiler bug"). Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be> Signed-off-by: Helge Deller <deller@gmx.de>
```diff diff --git a/drivers/video/logo/pnmtologo.c b/drivers/video/logo/pnmtologo.c index 8080c4d9c4a2..28d9f0b907a9 100644 --- a/drivers/video/logo/pnmtologo.c +++ b/drivers/video/logo/pnmtologo.c @@ -238,7 +238,7 @@ static void write_header(void) fprintf(out, " * Linux logo %s\n", logoname); fputs(" */\n\n", ou...
6bad28cfc30988a845fb3f59a99f4b8a4ce8fe95
Analyze and fix the following issue in the Linux kernel code: ACPI: SBS: manage alarm sysfs attribute through psy core
Problem Details: Let the power supply core register the attribute. This ensures that the attribute is created before the device is announced to userspace, avoiding a race condition. Signed-off-by: Thomas Weißschuh <linux@weissschuh.net> Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
```diff diff --git a/drivers/acpi/sbs.c b/drivers/acpi/sbs.c index 3d81ce3103c6..7a0914055fca 100644 --- a/drivers/acpi/sbs.c +++ b/drivers/acpi/sbs.c @@ -77,7 +77,6 @@ struct acpi_battery { u16 spec; u8 id; u8 present:1; - u8 have_sysfs_alarm:1; }; #define to_acpi_battery(x) power_supply_get_drvdata(x) @@ -4...
a231eed10ed5a290129fda36ad7bcc263c53ff7d
Analyze and fix the following issue in the Linux kernel code: ACPI: battery: create alarm sysfs attribute atomically
Problem Details: Let the power supply core register the attribute. This ensures that the attribute is created before the device is announced to userspace, avoid a race condition. Signed-off-by: Thomas Weißschuh <linux@weissschuh.net> Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
```diff diff --git a/drivers/acpi/battery.c b/drivers/acpi/battery.c index 5f47bd58aff3..d289b98a2cca 100644 --- a/drivers/acpi/battery.c +++ b/drivers/acpi/battery.c @@ -678,12 +678,18 @@ static ssize_t acpi_battery_alarm_store(struct device *dev, return count; } -static const struct device_attribute alarm_attr =...
f42cfd5ceced62799a7dd82899b03d7b9575fc22
Analyze and fix the following issue in the Linux kernel code: ACPI: PMIC: Replace open coded be16_to_cpu()
Problem Details: It's easier to understand the nature of a data type when it's written explicitly. With that, replace open coded endianess conversion. As a side effect it fixes the returned value of intel_crc_pmic_update_aux() since ACPI PMIC core code expects negative or zero and never uses positive one. While at it...
```diff diff --git a/drivers/acpi/pmic/intel_pmic_chtdc_ti.c b/drivers/acpi/pmic/intel_pmic_chtdc_ti.c index 35744a0307aa..79f9df552524 100644 --- a/drivers/acpi/pmic/intel_pmic_chtdc_ti.c +++ b/drivers/acpi/pmic/intel_pmic_chtdc_ti.c @@ -8,12 +8,16 @@ */ #include <linux/acpi.h> +#include <linux/bits.h> #include ...
14d38356ec335b97a04c00719d7b6e73b136d291
Analyze and fix the following issue in the Linux kernel code: scsi: core: Fix an incorrect comment
Problem Details: The comment that scsi_static_device_list would go away was added more than 18 years ago. Today, that list is still there and a large number of additional entries have been added. This shows that this comment is incorrect. Hence fix that comment. Cc: Christoph Hellwig <hch@infradead.org> Cc: Avri Altma...
```diff diff --git a/drivers/scsi/scsi_devinfo.c b/drivers/scsi/scsi_devinfo.c index a7071e71389e..90f1393a23f8 100644 --- a/drivers/scsi/scsi_devinfo.c +++ b/drivers/scsi/scsi_devinfo.c @@ -39,13 +39,12 @@ static LIST_HEAD(scsi_dev_info_list); static char scsi_dev_flags[256]; /* - * scsi_static_device_list: deprec...
79a947bd54348d4f63120aacc30505b3ad81fa59
Analyze and fix the following issue in the Linux kernel code: ACPI: NUMA: Consolidate header includes
Problem Details: The header file acpi/acpi_numa.h is included whether CONFIG_ACPI is defined or not. Include it only once before the #ifdef/#else/#endif preprocessor directives and fix the following make includecheck warning: acpi/acpi_numa.h is included more than once Signed-off-by: Thorsten Blum <thorsten.blum@to...
```diff diff --git a/include/linux/acpi.h b/include/linux/acpi.h index 28c3fb2bef0d..bb18e7bf8826 100644 --- a/include/linux/acpi.h +++ b/include/linux/acpi.h @@ -24,6 +24,7 @@ struct irq_domain_ops; #define _LINUX #endif #include <acpi/acpi.h> +#include <acpi/acpi_numa.h> #ifdef CONFIG_ACPI @@ -35,7 +36,6 @@ s...
ff0ffe5b7c3c12c6e0cca16652905963ae817b44
Analyze and fix the following issue in the Linux kernel code: nvme: fix namespace removal list
Problem Details: This function wants to move a subset of a list from one element to the tail into another list. It also needs to use the srcu synchronize instead of the regular rcu version. Do this one element at a time because that's the only to do it. Fixes: be647e2c76b27f4 ("nvme: use srcu for iterating namespace l...
```diff diff --git a/drivers/nvme/host/core.c b/drivers/nvme/host/core.c index c40930d10bd3..782090ce0bc1 100644 --- a/drivers/nvme/host/core.c +++ b/drivers/nvme/host/core.c @@ -3960,12 +3960,13 @@ static void nvme_remove_invalid_namespaces(struct nvme_ctrl *ctrl, mutex_lock(&ctrl->namespaces_lock); list_for_eac...
cebae292e0c32a228e8f2219c270a7237be24a6a
Analyze and fix the following issue in the Linux kernel code: btrfs: zoned: allocate dummy checksums for zoned NODATASUM writes
Problem Details: Shin'ichiro reported that when he's running fstests' test-case btrfs/167 on emulated zoned devices, he's seeing the following NULL pointer dereference in 'btrfs_zone_finish_endio()': Oops: general protection fault, probably for non-canonical address 0xdffffc0000000011: 0000 [#1] PREEMPT SMP KASAN NO...
```diff diff --git a/fs/btrfs/bio.c b/fs/btrfs/bio.c index 477f350a8bd0..e3a57196b0ee 100644 --- a/fs/btrfs/bio.c +++ b/fs/btrfs/bio.c @@ -741,7 +741,9 @@ static bool btrfs_submit_chunk(struct btrfs_bio *bbio, int mirror_num) ret = btrfs_bio_csum(bbio); if (ret) goto fail_put_bio; - } else if (use_append)...
4eb4e85c4f818491efc67e9373aa16b123c3f522
Analyze and fix the following issue in the Linux kernel code: btrfs: retry block group reclaim without infinite loop
Problem Details: If inc_block_group_ro systematically fails (e.g. due to ETXTBUSY from swap) or btrfs_relocate_chunk systematically fails (from lack of space), then this worker becomes an infinite loop. At the very least, this strands the cleaner thread, but can also result in hung tasks/RCU stalls on PREEMPT_NONE ker...
```diff diff --git a/fs/btrfs/block-group.c b/fs/btrfs/block-group.c index 1e09aeea69c2..1a66be33bb04 100644 --- a/fs/btrfs/block-group.c +++ b/fs/btrfs/block-group.c @@ -1785,6 +1785,7 @@ void btrfs_reclaim_bgs_work(struct work_struct *work) container_of(work, struct btrfs_fs_info, reclaim_bgs_work); struct btrfs...
6aaf3fd08d08e1bb9dc72bc2bd189464972d27c4
Analyze and fix the following issue in the Linux kernel code: drm/xe/vf: Use correct check for being a VF driver
Problem Details: The IS_SRIOV macro returns true also when we are running as a PF driver. Use correct IS_SRIOV_VF macro to skip force-wake management. Fixes: 513ea833c201 ("drm/xe/vf: Ignore force-wake requests if VF") Signed-off-by: Michal Wajdeczko <michal.wajdeczko@intel.com> Cc: Piotr Piórkowski <piotr.piorkowski@...
```diff diff --git a/drivers/gpu/drm/xe/xe_force_wake.c b/drivers/gpu/drm/xe/xe_force_wake.c index 5db6926120c3..b263fff15273 100644 --- a/drivers/gpu/drm/xe/xe_force_wake.c +++ b/drivers/gpu/drm/xe/xe_force_wake.c @@ -97,7 +97,7 @@ void xe_force_wake_init_engines(struct xe_gt *gt, struct xe_force_wake *fw) static v...
9a95c5bfbf02a0a7f5983280fe284a0ff0836c34
Analyze and fix the following issue in the Linux kernel code: ima: Avoid blocking in RCU read-side critical section
Problem Details: A panic happens in ima_match_policy: BUG: unable to handle kernel NULL pointer dereference at 0000000000000010 PGD 42f873067 P4D 0 Oops: 0000 [#1] SMP NOPTI CPU: 5 PID: 1286325 Comm: kubeletmonit.sh Kdump: loaded Tainted: P Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 0.0...
```diff diff --git a/include/linux/lsm_hook_defs.h b/include/linux/lsm_hook_defs.h index f804b76cde44..44488b1ab9a9 100644 --- a/include/linux/lsm_hook_defs.h +++ b/include/linux/lsm_hook_defs.h @@ -413,7 +413,7 @@ LSM_HOOK(void, LSM_RET_VOID, key_post_create_or_update, struct key *keyring, #ifdef CONFIG_AUDIT LSM_...
81c9642b2a03c375e46442147234016578f12181
Analyze and fix the following issue in the Linux kernel code: drm/i915/dp: Disable link retraining after the last fallback step
Problem Details: After a link training failure if the link parameters can't be further reduced, there is no point in trying to retrain the link in the driver. This avoids excessive retrain attempts after detecting a bad link, for instance while handling MST HPD IRQs, which is likely redundant as the link training faile...
```diff diff --git a/drivers/gpu/drm/i915/display/intel_display_types.h b/drivers/gpu/drm/i915/display/intel_display_types.h index a50310f412dd..50f8b329c0c8 100644 --- a/drivers/gpu/drm/i915/display/intel_display_types.h +++ b/drivers/gpu/drm/i915/display/intel_display_types.h @@ -1771,6 +1771,7 @@ struct intel_dp { ...
9eb4aab86a87e4bd65530dd90a97f45ba13a368a
Analyze and fix the following issue in the Linux kernel code: drm/i915/dp: Sanitize intel_dp_get_link_train_fallback_values()
Problem Details: Reduce the indentation in intel_dp_get_link_train_fallback_values() by adding separate helpers to reduce the link rate and lane count. Also simplify things by passing crtc_state to the function. This also prepares for later patches in the patchset adding a limitation on how the link params are reduced...
```diff diff --git a/drivers/gpu/drm/i915/display/intel_dp_link_training.c b/drivers/gpu/drm/i915/display/intel_dp_link_training.c index 4db293f25689..190372cf76e5 100644 --- a/drivers/gpu/drm/i915/display/intel_dp_link_training.c +++ b/drivers/gpu/drm/i915/display/intel_dp_link_training.c @@ -1109,58 +1109,80 @@ stati...
b99a95bc56c52a428befbce12d9451fd7a0f3bc2
Analyze and fix the following issue in the Linux kernel code: bpf: fix UML x86_64 compile failure
Problem Details: pcpu_hot (defined in arch/x86) is not available on user mode linux (ARCH=um) Cc: Andrii Nakryiko <andrii@kernel.org> Cc: John Fastabend <john.fastabend@gmail.com> Cc: Alexei Starovoitov <ast@kernel.org> Fixes: 1ae6921009e5 ("bpf: inline bpf_get_smp_processor_id() helper") Signed-off-by: Maciej Żenczyk...
```diff diff --git a/kernel/bpf/verifier.c b/kernel/bpf/verifier.c index e5a0ba3bc38d..010cfee7ffe9 100644 --- a/kernel/bpf/verifier.c +++ b/kernel/bpf/verifier.c @@ -20320,7 +20320,7 @@ patch_map_ops_generic: goto next_insn; } -#ifdef CONFIG_X86_64 +#if defined(CONFIG_X86_64) && !defined(CONFIG_UML) /* Imp...
202ce3eaa691225f11dab93a76e7afab67edc4ec
Analyze and fix the following issue in the Linux kernel code: dt-bindings: vendor-prefixes: add ScioSense
Problem Details: Add vendor prefix for ScioSense B.V. https://www.sciosense.com/ Acked-by: Conor Dooley <conor.dooley@microchip.com> Signed-off-by: Gustavo Silva <gustavograzs@gmail.com> Link: https://lore.kernel.org/r/20240604225747.7212-2-gustavograzs@gmail.com Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawe...
```diff diff --git a/Documentation/devicetree/bindings/vendor-prefixes.yaml b/Documentation/devicetree/bindings/vendor-prefixes.yaml index fbf47f0bacf1..044e2001f4e3 100644 --- a/Documentation/devicetree/bindings/vendor-prefixes.yaml +++ b/Documentation/devicetree/bindings/vendor-prefixes.yaml @@ -1254,6 +1254,8 @@ pat...
5cf99438d5d8db6007762eb6734125f58bcae48b
Analyze and fix the following issue in the Linux kernel code: dt-bindings: iio: adc: amlogic,meson-saradc: add optional power-domains
Problem Details: On newer SoCs, the SAR ADC hardware can require a power-domain to operate, add it as optional. Signed-off-by: Neil Armstrong <neil.armstrong@linaro.org> Acked-by: Conor Dooley <conor.dooley@microchip.com> Link: https://lore.kernel.org/r/20240605-topic-amlogic-upstream-bindings-fixes-power-domains-sard...
```diff diff --git a/Documentation/devicetree/bindings/iio/adc/amlogic,meson-saradc.yaml b/Documentation/devicetree/bindings/iio/adc/amlogic,meson-saradc.yaml index 7e8328e9ce13..f748f3a60b35 100644 --- a/Documentation/devicetree/bindings/iio/adc/amlogic,meson-saradc.yaml +++ b/Documentation/devicetree/bindings/iio/adc...
c4ec8dedca961db056ec85cb7ca8c9f7e2e92252
Analyze and fix the following issue in the Linux kernel code: driver: iio: add missing checks on iio_info's callback access
Problem Details: Some callbacks from iio_info structure are accessed without any check, so if a driver doesn't implement them trying to access the corresponding sysfs entries produce a kernel oops such as: [ 2203.527791] Unable to handle kernel NULL pointer dereference at virtual address 00000000 when execute [...] [ ...
```diff diff --git a/drivers/iio/industrialio-core.c b/drivers/iio/industrialio-core.c index fa7cc051b4c4..2f185b386949 100644 --- a/drivers/iio/industrialio-core.c +++ b/drivers/iio/industrialio-core.c @@ -758,9 +758,11 @@ static ssize_t iio_read_channel_info(struct device *dev, INDIO_MAX_RAW_ELEMENTS, ...
6a8260147745fe493d733d4e5f9b327da3720905
Analyze and fix the following issue in the Linux kernel code: bpf: selftests: Do not use generated kfunc prototypes for arena progs
Problem Details: When selftests are built with a new enough clang, the arena selftests opt-in to use LLVM address_space attribute annotations for arena pointers. These annotations are not emitted by kfunc prototype generation. This causes compilation errors when clang sees conflicting prototypes. Fix by opting arena ...
```diff diff --git a/tools/testing/selftests/bpf/progs/arena_htab.c b/tools/testing/selftests/bpf/progs/arena_htab.c index 1e6ac187a6a0..cf938cf8c11e 100644 --- a/tools/testing/selftests/bpf/progs/arena_htab.c +++ b/tools/testing/selftests/bpf/progs/arena_htab.c @@ -1,5 +1,6 @@ // SPDX-License-Identifier: GPL-2.0 /* ...
78746f93e903d022c692b9bb3a3e2570167b2dc2
Analyze and fix the following issue in the Linux kernel code: bpf: Fix bpf_dynptr documentation comments
Problem Details: The function argument names were changed but the doc comment was not. Fix htmldocs build warning by updating doc comments. Fixes: cce4c40b9606 ("bpf: treewide: Align kfunc signatures to prog point-of-view") Signed-off-by: Daniel Xu <dxu@dxuuu.xyz> Link: https://lore.kernel.org/r/d0b0eb05f91e12e5795966...
```diff diff --git a/kernel/bpf/helpers.c b/kernel/bpf/helpers.c index 3ac521c48bba..229396172026 100644 --- a/kernel/bpf/helpers.c +++ b/kernel/bpf/helpers.c @@ -2433,7 +2433,7 @@ __bpf_kfunc struct task_struct *bpf_task_from_pid(s32 pid) /** * bpf_dynptr_slice() - Obtain a read-only pointer to the dynptr data. -...
ceb65eb60026e03e1028a99f0ec94f22065e722a
Analyze and fix the following issue in the Linux kernel code: selftests/bpf: Add test coverage for reg_set_min_max handling
Problem Details: Add a test case for the jmp32/k fix to ensure selftests have coverage. Before fix: # ./vmtest.sh -- ./test_progs -t verifier_or_jmp32_k [...] ./test_progs -t verifier_or_jmp32_k tester_init:PASS:tester_log_buf 0 nsec process_subtest:PASS:obj_open_mem 0 nsec process_subtest:PASS:specs_allo...
```diff diff --git a/tools/testing/selftests/bpf/prog_tests/verifier.c b/tools/testing/selftests/bpf/prog_tests/verifier.c index 1c9c4ec1be11..98ef39efa77e 100644 --- a/tools/testing/selftests/bpf/prog_tests/verifier.c +++ b/tools/testing/selftests/bpf/prog_tests/verifier.c @@ -53,6 +53,7 @@ #include "verifier_movsx.s...
92424801261d1564a0bb759da3cf3ccd69fdf5a2
Analyze and fix the following issue in the Linux kernel code: bpf: Fix reg_set_min_max corruption of fake_reg
Problem Details: Juan reported that after doing some changes to buzzer [0] and implementing a new fuzzing strategy guided by coverage, they noticed the following in one of the probes: [...] 13: (79) r6 = *(u64 *)(r0 +0) ; R0=map_value(ks=4,vs=8) R6_w=scalar() 14: (b7) r0 = 0 ; R0_w=...
```diff diff --git a/include/linux/bpf_verifier.h b/include/linux/bpf_verifier.h index 50aa87f8d77f..e4070fb02b11 100644 --- a/include/linux/bpf_verifier.h +++ b/include/linux/bpf_verifier.h @@ -746,6 +746,8 @@ struct bpf_verifier_env { /* Same as scratched_regs but for stack slots */ u64 scratched_stack_slots; u...
89b01913dc73d7c4b8440b1396909ccb7ec8c4b4
Analyze and fix the following issue in the Linux kernel code: dlm: add rcu_barrier before destroy kmem cache
Problem Details: In the case we trigger dlm_free_rsb() that does a call_rcu() and the responding kfree() of res_lvbptr and a kmem_cache_free() of the rsb pointer we need to wait until this pending operation is done before calling kmem_cache_destroy(). We doing that by using rcu_barrier() that waits until all pending ca...
```diff diff --git a/fs/dlm/memory.c b/fs/dlm/memory.c index 105a79978706..8c44b954c166 100644 --- a/fs/dlm/memory.c +++ b/fs/dlm/memory.c @@ -72,6 +72,8 @@ out: void dlm_memory_exit(void) { + rcu_barrier(); + kmem_cache_destroy(writequeue_cache); kmem_cache_destroy(mhandle_cache); kmem_cache_destroy(msg_cach...
11d861d227ed1c4068597289267247aac5ac50fa
Analyze and fix the following issue in the Linux kernel code: regulator: add pm8008 pmic regulator driver
Problem Details: The Qualcomm PM8008 is an I2C-controlled PMIC containing seven LDO regulators. The driver is based on a driver submitted by Satya Priya, but it has been cleaned up and reworked to match the new devicetree binding which no longer describes each regulator as a separate device. This avoids describing in...
```diff diff --git a/drivers/regulator/Kconfig b/drivers/regulator/Kconfig index d333be2bea3b..17982e1cbf4d 100644 --- a/drivers/regulator/Kconfig +++ b/drivers/regulator/Kconfig @@ -1027,6 +1027,13 @@ config REGULATOR_PWM This driver supports PWM controlled voltage regulators. PWM duty cycle can increase or de...
288b550463cf5dd21ad34f736b8c5ccb7ff69ceb
Analyze and fix the following issue in the Linux kernel code: mfd: pm8008: Rework to match new DT binding
Problem Details: Rework the pm8008 driver to match the new devicetree binding which no longer describes internal details like interrupts and register offsets (including which of the two consecutive I2C addresses the registers belong to). Instead make the interrupt controller implementation internal and pass interrupts...
```diff diff --git a/drivers/mfd/Kconfig b/drivers/mfd/Kconfig index 266b4f54af60..6b220dfea0a4 100644 --- a/drivers/mfd/Kconfig +++ b/drivers/mfd/Kconfig @@ -2208,6 +2208,7 @@ config MFD_ACER_A500_EC config MFD_QCOM_PM8008 tristate "QCOM PM8008 Power Management IC" depends on I2C && OF + select MFD_CORE select ...
3162cd961eba14fbb377d4f13c853c586cd5d063
Analyze and fix the following issue in the Linux kernel code: mfd: pm8008: Rename irq chip
Problem Details: Drop the redundant "irq" suffix from the irq chip name. Reviewed-by: Bryan O'Donoghue <bryan.odonoghue@linaro.org> Reviewed-by: Stephen Boyd <swboyd@chromium.org> Signed-off-by: Johan Hovold <johan+linaro@kernel.org> Link: https://lore.kernel.org/r/20240608155526.12996-7-johan+linaro@kernel.org Signed...
```diff diff --git a/drivers/mfd/qcom-pm8008.c b/drivers/mfd/qcom-pm8008.c index 18173c7a7e7b..bab17417aeec 100644 --- a/drivers/mfd/qcom-pm8008.c +++ b/drivers/mfd/qcom-pm8008.c @@ -130,7 +130,7 @@ static int pm8008_set_type_config(unsigned int **buf, unsigned int type, } static const struct regmap_irq_chip pm8008...
6ad7f80b53251dbbca81e18a17cf6f8bcd34cb20
Analyze and fix the following issue in the Linux kernel code: mfd: pm8008: Fix regmap irq chip initialisation
Problem Details: The regmap irq array is potentially shared between multiple PMICs and should only contain static data. Use a custom macro to initialise also the type fields and drop the unnecessary updates on each probe. Fixes: 6b149f3310a4 ("mfd: pm8008: Add driver for QCOM PM8008 PMIC") Reviewed-by: Bryan O'Donogh...
```diff diff --git a/drivers/mfd/qcom-pm8008.c b/drivers/mfd/qcom-pm8008.c index 3ac3742f438b..f71c490f25c8 100644 --- a/drivers/mfd/qcom-pm8008.c +++ b/drivers/mfd/qcom-pm8008.c @@ -56,15 +56,25 @@ static unsigned int pm8008_config_regs[] = { INT_POL_LOW_OFFSET, }; -static struct regmap_irq pm8008_irqs[] = { - RE...
90b7f2ead953aab5677ae8235d78841cee8fd13e
Analyze and fix the following issue in the Linux kernel code: backlight: lm3509_bl: Fix NULL vs IS_ERR() check in register() function
Problem Details: The devm_backlight_device_register() doesn't return NULL, it returns error pointers. Update the error checking to match. Fixes: b72755f5b577 ("backlight: Add new lm3509 backlight driver") Signed-off-by: Dan Carpenter <dan.carpenter@linaro.org> Reviewed-by: Daniel Thompson <daniel.thompson@linaro.org>...
```diff diff --git a/drivers/video/backlight/lm3509_bl.c b/drivers/video/backlight/lm3509_bl.c index ab57f79ffe23..c93cdedff5ad 100644 --- a/drivers/video/backlight/lm3509_bl.c +++ b/drivers/video/backlight/lm3509_bl.c @@ -114,9 +114,10 @@ lm3509_backlight_register(struct device *dev, const char *name_suffix, } b...
520dbf5423e112da1c62748cb4349a4f25c63cc4
Analyze and fix the following issue in the Linux kernel code: drm/bridge: sii902x: Fix mode_valid hook
Problem Details: Currently, mode_valid is defined only in drm_connector_helper_funcs. When the bridge is attached with the 'DRM_BRIDGE_ATTACH_NO_CONNECTOR' flag, the connector is not initialized, and so is the mode_valid hook under connector helper funcs. It also returns MODE_OK for all modes without actually checking ...
```diff diff --git a/drivers/gpu/drm/bridge/sii902x.c b/drivers/gpu/drm/bridge/sii902x.c index 2fbeda9025bf..6a6055a4ccf9 100644 --- a/drivers/gpu/drm/bridge/sii902x.c +++ b/drivers/gpu/drm/bridge/sii902x.c @@ -163,6 +163,14 @@ #define SII902X_AUDIO_PORT_INDEX 3 +/* + * The maximum resolution supported by the HDM...
a27f6ac9d404ea84196639dcc456f969ef813c0f
Analyze and fix the following issue in the Linux kernel code: ice: implement AQ download pkg retry
Problem Details: ice_aqc_opc_download_pkg (0x0C40) AQ sporadically returns error due to FW issue. Fix this by retrying five times before moving to Safe Mode. Sleep for 20 ms before retrying. This was tested with the 4.40 firmware. Fixes: c76488109616 ("ice: Implement Dynamic Device Personalization (DDP) download") Rev...
```diff diff --git a/drivers/net/ethernet/intel/ice/ice_ddp.c b/drivers/net/ethernet/intel/ice/ice_ddp.c index ce5034ed2b24..f182179529b7 100644 --- a/drivers/net/ethernet/intel/ice/ice_ddp.c +++ b/drivers/net/ethernet/intel/ice/ice_ddp.c @@ -1339,6 +1339,7 @@ ice_dwnld_cfg_bufs_no_lock(struct ice_hw *hw, struct ice_bu...
aeccadb24d9dacdde673a0f68f0a9135c6be4993
Analyze and fix the following issue in the Linux kernel code: ice: fix 200G link speed message log
Problem Details: Commit 24407a01e57c ("ice: Add 200G speed/phy type use") added support for 200G PHY speeds, but did not include 200G link speed message support. As a result the driver incorrectly reports Unknown for 200G link speed. Fix this by adding 200G support to ice_print_link_msg(). Fixes: 24407a01e57c ("ice: ...
```diff diff --git a/drivers/net/ethernet/intel/ice/ice_main.c b/drivers/net/ethernet/intel/ice/ice_main.c index 45d850514f4c..1766230abfff 100644 --- a/drivers/net/ethernet/intel/ice/ice_main.c +++ b/drivers/net/ethernet/intel/ice/ice_main.c @@ -805,6 +805,9 @@ void ice_print_link_msg(struct ice_vsi *vsi, bool isup) ...
bc69ad74867dba1377abe14356c94a946d9837a3
Analyze and fix the following issue in the Linux kernel code: ice: avoid IRQ collision to fix init failure on ACPI S3 resume
Problem Details: A bug in https://bugzilla.kernel.org/show_bug.cgi?id=218906 describes that irdma would break and report hardware initialization failed after suspend/resume with Intel E810 NIC (tested on 6.9.0-rc5). The problem is caused due to the collision between the irq numbers requested in irdma and the irq numbe...
```diff diff --git a/drivers/net/ethernet/intel/ice/ice_main.c b/drivers/net/ethernet/intel/ice/ice_main.c index 1b61ca3a6eb6..45d850514f4c 100644 --- a/drivers/net/ethernet/intel/ice/ice_main.c +++ b/drivers/net/ethernet/intel/ice/ice_main.c @@ -5564,7 +5564,7 @@ static int ice_suspend(struct device *dev) */ disa...
77a714325d09e1527d865dc011ef91c4972ffedd
Analyze and fix the following issue in the Linux kernel code: platform/chrome: cros_ec_lpc: Fix error code in cros_ec_lpc_mec_read_bytes()
Problem Details: We changed these functions to returning negative error codes, but this first error path was accidentally overlooked. It leads to a Smatch warning: drivers/platform/chrome/cros_ec_lpc.c:181 ec_response_timed_out() error: uninitialized symbol 'data'. Fix this by returning the error code instea...
```diff diff --git a/drivers/platform/chrome/cros_ec_lpc.c b/drivers/platform/chrome/cros_ec_lpc.c index ebe9fb143840..f0470248b109 100644 --- a/drivers/platform/chrome/cros_ec_lpc.c +++ b/drivers/platform/chrome/cros_ec_lpc.c @@ -139,7 +139,7 @@ static int cros_ec_lpc_mec_read_bytes(unsigned int offset, unsigned int l...
a9b9741854a9fe9df948af49ca5514e0ed0429df
Analyze and fix the following issue in the Linux kernel code: bnxt_en: Adjust logging of firmware messages in case of released token in __hwrm_send()
Problem Details: In case of token is released due to token->state == BNXT_HWRM_DEFERRED, released token (set to NULL) is used in log messages. This issue is expected to be prevented by HWRM_ERR_CODE_PF_UNAVAILABLE error code. But this error code is returned by recent firmware. So some firmware may not return it. This m...
```diff diff --git a/drivers/net/ethernet/broadcom/bnxt/bnxt_hwrm.c b/drivers/net/ethernet/broadcom/bnxt/bnxt_hwrm.c index 1df3d56cc4b5..d2fd2d04ed47 100644 --- a/drivers/net/ethernet/broadcom/bnxt/bnxt_hwrm.c +++ b/drivers/net/ethernet/broadcom/bnxt/bnxt_hwrm.c @@ -680,7 +680,7 @@ static int __hwrm_send(struct bnxt *b...
a6736a0addd60fccc3a3508461d72314cc609772
Analyze and fix the following issue in the Linux kernel code: af_unix: Read with MSG_PEEK loops if the first unread byte is OOB
Problem Details: Read with MSG_PEEK flag loops if the first byte to read is an OOB byte. commit 22dd70eb2c3d ("af_unix: Don't peek OOB data without MSG_OOB.") addresses the loop issue but does not address the issue that no data beyond OOB byte can be read. >>> from socket import * >>> c1, c2 = socketpair(AF_UNIX, SOCK...
```diff diff --git a/net/unix/af_unix.c b/net/unix/af_unix.c index 80846279de9f..5e695a9a609c 100644 --- a/net/unix/af_unix.c +++ b/net/unix/af_unix.c @@ -2625,18 +2625,18 @@ static struct sk_buff *manage_oob(struct sk_buff *skb, struct sock *sk, if (skb == u->oob_skb) { if (copied) { skb = NULL; - } else...
7d9df38c9c037ab84502ce7eeae9f1e1e7e72603
Analyze and fix the following issue in the Linux kernel code: bnxt_en: Cap the size of HWRM_PORT_PHY_QCFG forwarded response
Problem Details: Firmware interface 1.10.2.118 has increased the size of HWRM_PORT_PHY_QCFG response beyond the maximum size that can be forwarded. When the VF's link state is not the default auto state, the PF will need to forward the response back to the VF to indicate the forced state. This regression may cause th...
```diff diff --git a/drivers/net/ethernet/broadcom/bnxt/bnxt.h b/drivers/net/ethernet/broadcom/bnxt/bnxt.h index 656ab81c0272..bbc7edccd5a4 100644 --- a/drivers/net/ethernet/broadcom/bnxt/bnxt.h +++ b/drivers/net/ethernet/broadcom/bnxt/bnxt.h @@ -1434,6 +1434,57 @@ struct bnxt_l2_filter { atomic_t refcnt; }; +/* ...
7da9dfdd5a3dbfd3d2450d9c6a3d1d699d625c43
Analyze and fix the following issue in the Linux kernel code: .editorconfig: remove trim_trailing_whitespace option
Problem Details: Some editors (like the vim variants), when seeing "trim_whitespace" decide to do just that for all of the whitespace in the file you are saving, even if it is not on a line that you have modified. This plays havoc with diffs and is NOT something that should be intended. As the "only trim whitespace o...
```diff diff --git a/.editorconfig b/.editorconfig index 854773350cc5..29a30ccfc07b 100644 --- a/.editorconfig +++ b/.editorconfig @@ -5,7 +5,6 @@ root = true [{*.{awk,c,dts,dtsi,dtso,h,mk,s,S},Kconfig,Makefile,Makefile.*}] charset = utf-8 end_of_line = lf -trim_trailing_whitespace = true insert_final_newline = tru...
841b7ebf819491b4a7e701ee4d42a55810606c96
Analyze and fix the following issue in the Linux kernel code: driver core: platform: fix ups for constant struct device_driver
Problem Details: Fix up a few places in the platform core code that can easily handle struct device_driver being constant. This is part of the work to make all struct device_driver pointers be constant. Cc: Rafael J. Wysocki <rafael@kernel.org> Link: https://lore.kernel.org/r/20240611130103.3262749-8-gregkh@linuxfoun...
```diff diff --git a/drivers/base/platform.c b/drivers/base/platform.c index c8aa1be70526..a6884479f4ac 100644 --- a/drivers/base/platform.c +++ b/drivers/base/platform.c @@ -1122,7 +1122,7 @@ static int platform_legacy_resume(struct device *dev) int platform_pm_suspend(struct device *dev) { - struct device_driver ...
ff985c759778986f55cbc557055fbeb84ee833eb
Analyze and fix the following issue in the Linux kernel code: auxbus: make to_auxiliary_drv accept and return a constant pointer
Problem Details: In the quest to make struct device constant, start by making to_auxiliary_drv() return a constant pointer so that drivers that call this can be fixed up before the driver core changes. As the return type previously was not constant, also fix up all callers that were assuming that the pointer was not g...
```diff diff --git a/drivers/base/auxiliary.c b/drivers/base/auxiliary.c index d3a2c40c2f12..5832e31bb77b 100644 --- a/drivers/base/auxiliary.c +++ b/drivers/base/auxiliary.c @@ -180,7 +180,7 @@ static const struct auxiliary_device_id *auxiliary_match_id(const struct auxilia static int auxiliary_match(struct device *d...
6f4d93b78ade0a4c2cafd587f7b429ce95abb02e
Analyze and fix the following issue in the Linux kernel code: gve: Clear napi->skb before dev_kfree_skb_any()
Problem Details: gve_rx_free_skb incorrectly leaves napi->skb referencing an skb after it is freed with dev_kfree_skb_any(). This can result in a subsequent call to napi_get_frags returning a dangling pointer. Fix this by clearing napi->skb before the skb is freed. Fixes: 9b8dd5e5ea48 ("gve: DQO: Add RX path") Cc: st...
```diff diff --git a/drivers/net/ethernet/google/gve/gve_rx_dqo.c b/drivers/net/ethernet/google/gve/gve_rx_dqo.c index c1c912de59c7..1154c1d8f66f 100644 --- a/drivers/net/ethernet/google/gve/gve_rx_dqo.c +++ b/drivers/net/ethernet/google/gve/gve_rx_dqo.c @@ -647,11 +647,13 @@ static void gve_rx_skb_hash(struct sk_buff ...
efde66b9654830170f46667a8f0ddf16fae6dbef
Analyze and fix the following issue in the Linux kernel code: drm/i915/dp_mst: Fix DSC input BPP computation
Problem Details: The branch or sink device decompressing a stream may have a limitation on the input/uncompressed BPP, which is lower than the base line BPP (determined by the sink's EDID). In some cases a stream with an input BPP higher than this limit will be converted automatically by the device decompressing the st...
```diff diff --git a/drivers/gpu/drm/i915/display/intel_dp_mst.c b/drivers/gpu/drm/i915/display/intel_dp_mst.c index c3c889a5b7ee..6fd0511ab7dd 100644 --- a/drivers/gpu/drm/i915/display/intel_dp_mst.c +++ b/drivers/gpu/drm/i915/display/intel_dp_mst.c @@ -349,6 +349,8 @@ static int intel_dp_dsc_mst_compute_link_config(s...
79f18a41dd056115d685f3b0a419c7cd40055e13
Analyze and fix the following issue in the Linux kernel code: ionic: fix use after netif_napi_del()
Problem Details: When queues are started, netif_napi_add() and napi_enable() are called. If there are 4 queues and only 3 queues are used for the current configuration, only 3 queues' napi should be registered and enabled. The ionic_qcq_enable() checks whether the .poll pointer is not NULL for enabling only the using q...
```diff diff --git a/drivers/net/ethernet/pensando/ionic/ionic_lif.c b/drivers/net/ethernet/pensando/ionic/ionic_lif.c index 24870da3f484..1934e9d6d9e4 100644 --- a/drivers/net/ethernet/pensando/ionic/ionic_lif.c +++ b/drivers/net/ethernet/pensando/ionic/ionic_lif.c @@ -304,10 +304,8 @@ static int ionic_qcq_enable(stru...
8eef5c3cea65f248c99cd9dcb3f84c6509b78162
Analyze and fix the following issue in the Linux kernel code: Revert "igc: fix a log entry using uninitialized netdev"
Problem Details: This reverts commit 86167183a17e03ec77198897975e9fdfbd53cb0b. igc_ptp_init() needs to be called before igc_reset(), otherwise kernel crash could be observed. Following the corresponding discussion [1] and [2] revert this commit. Link: https://lore.kernel.org/all/8fb634f8-7330-4cf4-a8ce-485af9c0a61a@i...
```diff diff --git a/drivers/net/ethernet/intel/igc/igc_main.c b/drivers/net/ethernet/intel/igc/igc_main.c index 305e05294a26..87b655b839c1 100644 --- a/drivers/net/ethernet/intel/igc/igc_main.c +++ b/drivers/net/ethernet/intel/igc/igc_main.c @@ -7032,6 +7032,8 @@ static int igc_probe(struct pci_dev *pdev, device_set...
2755d1f46aa25f65179964bf315d8a16b3540eab
Analyze and fix the following issue in the Linux kernel code: drm/connector: hdmi: Fix kerneldoc warnings
Problem Details: It looks like the documentation for the HDMI-related fields recently added to both the drm_connector and drm_connector_state structures trigger some warnings because of their use of anonymous structures: $ scripts/kernel-doc -none include/drm/drm_connector.h include/drm/drm_connector.h:1138: warni...
```diff diff --git a/include/drm/drm_connector.h b/include/drm/drm_connector.h index e04a8a0d1bbd..f750765d8fbc 100644 --- a/include/drm/drm_connector.h +++ b/include/drm/drm_connector.h @@ -929,6 +929,67 @@ struct drm_connector_hdmi_infoframe { bool set; }; +/* + * struct drm_connector_hdmi_state - HDMI state con...
104eef133fd9c17e4dc28bf43f592a86f26d8a59
Analyze and fix the following issue in the Linux kernel code: hostfs: Add const qualifier to host_root in hostfs_fill_super()
Problem Details: After the recent conversion to the new mount API, there is a warning when building hostfs (which may be upgraded to an error via CONFIG_WERROR=y): fs/hostfs/hostfs_kern.c: In function 'hostfs_fill_super': fs/hostfs/hostfs_kern.c:942:27: warning: initialization discards 'const' qualifier from point...
```diff diff --git a/fs/hostfs/hostfs_kern.c b/fs/hostfs/hostfs_kern.c index 6ec3c368d7bf..e44747bbfe87 100644 --- a/fs/hostfs/hostfs_kern.c +++ b/fs/hostfs/hostfs_kern.c @@ -938,8 +938,8 @@ static const struct inode_operations hostfs_link_iops = { static int hostfs_fill_super(struct super_block *sb, struct fs_context...
2646b43910c0e6d7f4ad535919b44b88f98c688d
Analyze and fix the following issue in the Linux kernel code: ALSA/hda: intel-dsp-config: Document AVS as dsp_driver option
Problem Details: dsp_driver=4 will force the AVS driver stack to be used, it is better to docuement this. Fixes: 1affc44ea5dd ("ASoC: Intel: avs: PCI driver implementation") Signed-off-by: Peter Ujfalusi <peter.ujfalusi@linux.intel.com> Reviewed-by: Cezary Rojewski <cezary.rojewski@intel.com> Link: https://lore.kernel...
```diff diff --git a/sound/hda/intel-dsp-config.c b/sound/hda/intel-dsp-config.c index 537863447358..478d2b50c571 100644 --- a/sound/hda/intel-dsp-config.c +++ b/sound/hda/intel-dsp-config.c @@ -18,7 +18,7 @@ static int dsp_driver; module_param(dsp_driver, int, 0444); -MODULE_PARM_DESC(dsp_driver, "Force the DSP dr...
e799bdf51d54bebaf939fdb655aad424e624c1b1
Analyze and fix the following issue in the Linux kernel code: ALSA: hda/realtek: Remove Framework Laptop 16 from quirks
Problem Details: The Framework Laptop 16 does not have a combination headphone/headset 3.5mm jack; however, applying the pincfg from the Laptop 13 (nid=0x19) erroneously informs hda that the node is present. Fixes: 8804fa04a492 ("ALSA: hda/realtek: Add Framework laptop 16 to quirks") Signed-off-by: Dustin L. Howett <d...
```diff diff --git a/sound/pci/hda/patch_realtek.c b/sound/pci/hda/patch_realtek.c index da54300279af..8408e0b0730a 100644 --- a/sound/pci/hda/patch_realtek.c +++ b/sound/pci/hda/patch_realtek.c @@ -10610,7 +10610,6 @@ static const struct snd_pci_quirk alc269_fixup_tbl[] = { SND_PCI_QUIRK(0x8086, 0x2081, "Intel NUC 1...
86a433862912f52597263aa224a9ed82bcd533bf
Analyze and fix the following issue in the Linux kernel code: ALSA: hda/realtek: Limit mic boost on N14AP7
Problem Details: The internal mic boost on the N14AP7 is too high. Fix this by applying the ALC269_FIXUP_LIMIT_INT_MIC_BOOST fixup to the machine to limit the gain. Signed-off-by: Edson Juliano Drosdeck <edson.drosdeck@gmail.com> Cc: <stable@vger.kernel.org> Link: https://lore.kernel.org/r/20240605153923.2837-1-edson....
```diff diff --git a/sound/pci/hda/patch_realtek.c b/sound/pci/hda/patch_realtek.c index 54a52c148070..da54300279af 100644 --- a/sound/pci/hda/patch_realtek.c +++ b/sound/pci/hda/patch_realtek.c @@ -10585,6 +10585,7 @@ static const struct snd_pci_quirk alc269_fixup_tbl[] = { SND_PCI_QUIRK(0x1b7d, 0xa831, "Ordissimo E...
ea5f8c4cffcd8a6b62b3a3bd5008275218c9d02a
Analyze and fix the following issue in the Linux kernel code: ALSA: hda/realtek: fix mute/micmute LEDs don't work for ProBook 445/465 G11.
Problem Details: HP ProBook 445/465 G11 needs ALC236_FIXUP_HP_MUTE_LED_MICMUTE_VREF quirk to make mic-mute/audio-mute working. Signed-off-by: Andy Chi <andy.chi@canonical.com> Cc: <stable@vger.kernel.org> Link: https://lore.kernel.org/r/20240605092243.41963-1-andy.chi@canonical.com Signed-off-by: Takashi Iwai <tiwai@s...
```diff diff --git a/sound/pci/hda/patch_realtek.c b/sound/pci/hda/patch_realtek.c index aa76d1c88589..54a52c148070 100644 --- a/sound/pci/hda/patch_realtek.c +++ b/sound/pci/hda/patch_realtek.c @@ -10194,6 +10194,10 @@ static const struct snd_pci_quirk alc269_fixup_tbl[] = { SND_PCI_QUIRK(0x103c, 0x8c70, "HP EliteBo...
2470b141bfae2b9695b5b6823e3b978b22d33dde
Analyze and fix the following issue in the Linux kernel code: drm/xe: move disable_c6 call
Problem Details: disable c6 called in guc_pc_fini_hw is unreachable. GuC PC init returns earlier if skip_guc_pc is true and never registers the finish call thus making disable_c6 unreachable. move this call to gt idle. v2: rebase v3: add fixes tag (Himal) Fixes: 975e4a3795d4 ("drm/xe: Manually setup C6 when skip_gu...
```diff diff --git a/drivers/gpu/drm/xe/xe_gt_idle.c b/drivers/gpu/drm/xe/xe_gt_idle.c index c699f47f4700..944770fb2daf 100644 --- a/drivers/gpu/drm/xe/xe_gt_idle.c +++ b/drivers/gpu/drm/xe/xe_gt_idle.c @@ -147,6 +147,13 @@ static const struct attribute *gt_idle_attrs[] = { static void gt_idle_sysfs_fini(struct drm_de...
b5e3a9b83f352a737b77a01734a6661d1130ed49
Analyze and fix the following issue in the Linux kernel code: drm/xe: flush engine buffers before signalling user fence on all engines
Problem Details: Tests show that user fence signalling requires kind of write barrier, otherwise not all writes performed by the workload will be available to userspace. It is already done for render and compute, we need it also for the rest: video, gsc, copy. Fixes: dd08ebf6c352 ("drm/xe: Introduce a new DRM driver f...
```diff diff --git a/drivers/gpu/drm/xe/xe_ring_ops.c b/drivers/gpu/drm/xe/xe_ring_ops.c index d42b3f33bd7a..aca7a9af6e84 100644 --- a/drivers/gpu/drm/xe/xe_ring_ops.c +++ b/drivers/gpu/drm/xe/xe_ring_ops.c @@ -80,6 +80,16 @@ static int emit_store_imm_ggtt(u32 addr, u32 value, u32 *dw, int i) return i; } +static i...
cd554e1e118a6aa1c919309cd28398b003f69c1f
Analyze and fix the following issue in the Linux kernel code: drm/xe/pf: Assert LMEM provisioning is done only on DGFX
Problem Details: The Local Memory (aka VRAM) is only available on DGFX platforms. We shouldn't attempt to provision VFs with LMEM or attempt to update the LMTT on non-DGFX platforms. Add missing asserts that would enforce that and fix release code that could crash on iGFX due to uninitialized LMTT. Fixes: 0698ff57bf32...
```diff diff --git a/drivers/gpu/drm/xe/xe_gt_sriov_pf_config.c b/drivers/gpu/drm/xe/xe_gt_sriov_pf_config.c index 476d613333a9..6c2cfc54442c 100644 --- a/drivers/gpu/drm/xe/xe_gt_sriov_pf_config.c +++ b/drivers/gpu/drm/xe/xe_gt_sriov_pf_config.c @@ -1274,6 +1274,9 @@ static void pf_reset_vf_lmtt(struct xe_device *xe, ...
7c877115da4196fa108dcfefd49f5a9b67b8d8ca
Analyze and fix the following issue in the Linux kernel code: drm/xe/xe_gt_idle: use GT forcewake domain assertion
Problem Details: The rc6 registers used in disable_c6 function belong to the GT forcewake domain. Hence change the forcewake assertion to check GT forcewake domain. v2: add fixes tag (Himal) Fixes: 975e4a3795d4 ("drm/xe: Manually setup C6 when skip_guc_pc is set") Signed-off-by: Riana Tauro <riana.tauro@intel.com> Re...
```diff diff --git a/drivers/gpu/drm/xe/xe_gt_idle.c b/drivers/gpu/drm/xe/xe_gt_idle.c index 8fc0f3f6ecc5..c699f47f4700 100644 --- a/drivers/gpu/drm/xe/xe_gt_idle.c +++ b/drivers/gpu/drm/xe/xe_gt_idle.c @@ -199,7 +199,7 @@ void xe_gt_idle_enable_c6(struct xe_gt *gt) void xe_gt_idle_disable_c6(struct xe_gt *gt) { xe...
0e6b6dedf16800df0ff73ffe2bb5066514db29c2
Analyze and fix the following issue in the Linux kernel code: ACPI: EC: Evaluate orphan _REG under EC device
Problem Details: After starting to install the EC address space handler at the ACPI namespace root, if there is an "orphan" _REG method in the EC device's scope, it will not be evaluated any more. This breaks EC operation regions on some systems, like Asus gu605. To address this, use a wrapper around an existing ACPI...
```diff diff --git a/drivers/acpi/acpica/acevents.h b/drivers/acpi/acpica/acevents.h index ddd072cbc738..2133085deda7 100644 --- a/drivers/acpi/acpica/acevents.h +++ b/drivers/acpi/acpica/acevents.h @@ -191,6 +191,10 @@ void acpi_ev_execute_reg_methods(struct acpi_namespace_node *node, acpi_adr_space_type spac...
963c5d4968220548d013e42e0892b75ca7e790ae
Analyze and fix the following issue in the Linux kernel code: kselftest/arm64: Fix a couple of spelling mistakes
Problem Details: There are two spelling mistakes in some error messages. Fix them. Signed-off-by: Colin Ian King <colin.i.king@gmail.com> Reviewed-by: Mark Brown <broonie@kernel.org> Link: https://lore.kernel.org/r/20240613073429.1797451-1-colin.i.king@gmail.com Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
```diff diff --git a/tools/testing/selftests/arm64/fp/kernel-test.c b/tools/testing/selftests/arm64/fp/kernel-test.c index 50db26a3ed79..e8da3b4cbd23 100644 --- a/tools/testing/selftests/arm64/fp/kernel-test.c +++ b/tools/testing/selftests/arm64/fp/kernel-test.c @@ -233,7 +233,7 @@ static bool compute_digest(void *buf)...
12243a8115f8583a6bcada7717c01fb164e23c89
Analyze and fix the following issue in the Linux kernel code: iommu/amd: Fix panic accessing amd_iommu_enable_faulting
Problem Details: This fixes a bug introduced by commit d74169ceb0d2 ("iommu/vt-d: Allocate DMAR fault interrupts locally"). The panic happens when amd_iommu_enable_faulting is called from CPUHP_AP_ONLINE_DYN context. Fixes: d74169ceb0d2 ("iommu/vt-d: Allocate DMAR fault interrupts locally") Signed-off-by: Dimitri Siv...
```diff diff --git a/drivers/iommu/amd/init.c b/drivers/iommu/amd/init.c index 27e293727095..161248067776 100644 --- a/drivers/iommu/amd/init.c +++ b/drivers/iommu/amd/init.c @@ -3362,7 +3362,7 @@ int amd_iommu_reenable(int mode) return 0; } -int __init amd_iommu_enable_faulting(unsigned int cpu) +int amd_iommu_en...
b5c29fba72a6c950655d1cb0f6aa16b60dc83be7
Analyze and fix the following issue in the Linux kernel code: iommu: Make iommu_sva_domain_alloc() static
Problem Details: iommu_sva_domain_alloc() is only called in iommu-sva.c, hence make it static. On the other hand, iommu_sva_domain_alloc() should not return NULL anymore after commit <80af5a452024> ("iommu: Add ops->domain_alloc_sva()"), the removal of inline code avoids potential confusion. Fixes: 80af5a452024 ("iom...
```diff diff --git a/drivers/iommu/iommu-sva.c b/drivers/iommu/iommu-sva.c index 18a35e798b72..25e581299226 100644 --- a/drivers/iommu/iommu-sva.c +++ b/drivers/iommu/iommu-sva.c @@ -10,6 +10,8 @@ #include "iommu-priv.h" static DEFINE_MUTEX(iommu_sva_lock); +static struct iommu_domain *iommu_sva_domain_alloc(struct...
0298f51652be47b79780833e0b63194e1231fa34
Analyze and fix the following issue in the Linux kernel code: ASoC: topology: Fix route memory corruption
Problem Details: It was reported that recent fix for memory corruption during topology load, causes corruption in other cases. Instead of being overeager with checking topology, assume that it is properly formatted and just duplicate strings. Reported-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com> Clo...
```diff diff --git a/sound/soc/soc-topology.c b/sound/soc/soc-topology.c index 2ac442644ed4..6951ff7bc61e 100644 --- a/sound/soc/soc-topology.c +++ b/sound/soc/soc-topology.c @@ -1052,21 +1052,15 @@ static int soc_tplg_dapm_graph_elems_load(struct soc_tplg *tplg, break; } - route->source = devm_kmemdup(tplg->...
b2747f108b8034271fd5289bd8f3a7003e0775a3
Analyze and fix the following issue in the Linux kernel code: x86/boot: Don't add the EFI stub to targets, again
Problem Details: This is a re-commit of da05b143a308 ("x86/boot: Don't add the EFI stub to targets") after the tagged patch incorrectly reverted it. vmlinux-objs-y is added to targets, with an assumption that they are all relative to $(obj); adding a $(objtree)/drivers/... path causes the build to incorrectly cre...
```diff diff --git a/arch/x86/boot/compressed/Makefile b/arch/x86/boot/compressed/Makefile index 243ee86cb1b1..f2051644de94 100644 --- a/arch/x86/boot/compressed/Makefile +++ b/arch/x86/boot/compressed/Makefile @@ -105,9 +105,9 @@ vmlinux-objs-$(CONFIG_UNACCEPTED_MEMORY) += $(obj)/mem.o vmlinux-objs-$(CONFIG_EFI) +=...
5a5bdc17a2fc8dabfcf630bed84d4fbca0985c3a
Analyze and fix the following issue in the Linux kernel code: drm/i915/display: Send vrr vsync params whne vrr is enabled
Problem Details: Compute trans vrr vsync params only when either VRR or CMRR is enabled. Fixes: 5922f45329cd ("drm/i915/display: Compute vrr vsync params") Cc: Mitul Golani <mitulkumar.ajitkumar.golani@intel.com> Cc: Ankit Nautiyal <ankit.k.nautiyal@intel.com> Cc: Suraj Kandpal <suraj.kandpal@intel.com> Cc: Jani Nikul...
```diff diff --git a/drivers/gpu/drm/i915/display/intel_vrr.c b/drivers/gpu/drm/i915/display/intel_vrr.c index 1bef1f6f58ee..eb5b62b54d32 100644 --- a/drivers/gpu/drm/i915/display/intel_vrr.c +++ b/drivers/gpu/drm/i915/display/intel_vrr.c @@ -232,7 +232,8 @@ intel_vrr_compute_config(struct intel_crtc_state *crtc_state,...
7ddb9403dd7497f7cd922243ee4b3c9cee4a30a4
Analyze and fix the following issue in the Linux kernel code: drm/xe: Sample ctx timestamp to determine if jobs have timed out
Problem Details: In GuC TDR sample ctx timestamp to determine if jobs have timed out. The scheduling enable needs to be toggled to properly sample the timestamp. If a job has not been running for longer than the timeout period, re-enable scheduling and restart the TDR. v2: - Use GT clock to msec helper (Umesh, off li...
```diff diff --git a/drivers/gpu/drm/xe/xe_guc_submit.c b/drivers/gpu/drm/xe/xe_guc_submit.c index 671c72caf0ff..74552391dc5a 100644 --- a/drivers/gpu/drm/xe/xe_guc_submit.c +++ b/drivers/gpu/drm/xe/xe_guc_submit.c @@ -10,6 +10,7 @@ #include <linux/circ_buf.h> #include <linux/delay.h> #include <linux/dma-fence-array...
9f46ecbb3f1d5111c28e8205ad1526663c28aa9d
Analyze and fix the following issue in the Linux kernel code: drm/xe: Add MI_COPY_MEM_MEM GPU instruction definitions
Problem Details: MI_COPY_MEM_MEM GPU instructions are used to copy ctx timestamp from a LRC registers to another location at the beginning of every jobs execution. Add MI_COPY_MEM_MEM GPU instruction definitions. v2: - Include MI_COPY_MEM_MEM based on instruction order (Michal) - Fix tabs/spaces issue (Michal) - Us...
```diff diff --git a/drivers/gpu/drm/xe/instructions/xe_mi_commands.h b/drivers/gpu/drm/xe/instructions/xe_mi_commands.h index c74ceb550dce..b7bf99dd4848 100644 --- a/drivers/gpu/drm/xe/instructions/xe_mi_commands.h +++ b/drivers/gpu/drm/xe/instructions/xe_mi_commands.h @@ -59,6 +59,10 @@ #define MI_LOAD_REGISTER_MEM ...
546ceb1dfdac866648ec959cbc71d9525bd73462
Analyze and fix the following issue in the Linux kernel code: net: bridge: mst: fix suspicious rcu usage in br_mst_set_state
Problem Details: I converted br_mst_set_state to RCU to avoid a vlan use-after-free but forgot to change the vlan group dereference helper. Switch to vlan group RCU deref helper to fix the suspicious rcu usage warning. Fixes: 3a7c1661ae13 ("net: bridge: mst: fix vlan use-after-free") Reported-by: syzbot+9bbe2de1bc9d47...
```diff diff --git a/net/bridge/br_mst.c b/net/bridge/br_mst.c index 1de72816b0fb..1820f09ff59c 100644 --- a/net/bridge/br_mst.c +++ b/net/bridge/br_mst.c @@ -102,7 +102,7 @@ int br_mst_set_state(struct net_bridge_port *p, u16 msti, u8 state, int err = 0; rcu_read_lock(); - vg = nbp_vlan_group(p); + vg = nbp_vlan...
36c92936e868601fa1f43da6758cf55805043509
Analyze and fix the following issue in the Linux kernel code: net: bridge: mst: pass vlan group directly to br_mst_vlan_set_state
Problem Details: Pass the already obtained vlan group pointer to br_mst_vlan_set_state() instead of dereferencing it again. Each caller has already correctly dereferenced it for their context. This change is required for the following suspicious RCU dereference fix. No functional changes intended. Fixes: 3a7c1661ae13 ...
```diff diff --git a/net/bridge/br_mst.c b/net/bridge/br_mst.c index 3c66141d34d6..1de72816b0fb 100644 --- a/net/bridge/br_mst.c +++ b/net/bridge/br_mst.c @@ -73,11 +73,10 @@ int br_mst_get_state(const struct net_device *dev, u16 msti, u8 *state) } EXPORT_SYMBOL_GPL(br_mst_get_state); -static void br_mst_vlan_set_s...
14a20e5b4ad998793c5f43b0330d9e1388446cf3
Analyze and fix the following issue in the Linux kernel code: net/ipv6: Fix the RT cache flush via sysctl using a previous delay
Problem Details: The net.ipv6.route.flush system parameter takes a value which specifies a delay used during the flush operation for aging exception routes. The written value is however not used in the currently requested flush and instead utilized only in the next one. A problem is that ipv6_sysctl_rtcache_flush() fi...
```diff diff --git a/net/ipv6/route.c b/net/ipv6/route.c index f083d9faba6b..952c2bf11709 100644 --- a/net/ipv6/route.c +++ b/net/ipv6/route.c @@ -6343,12 +6343,12 @@ static int ipv6_sysctl_rtcache_flush(struct ctl_table *ctl, int write, if (!write) return -EINVAL; - net = (struct net *)ctl->extra1; - delay = ne...
721478fe6a5cd243e289105e3fdd0ecdd9d39ac3
Analyze and fix the following issue in the Linux kernel code: ravb: RAVB should select PAGE_POOL
Problem Details: If CONFIG_PAGE_POOL is not enabled: aarch64-linux-gnu-ld: Unexpected GOT/PLT entries detected! aarch64-linux-gnu-ld: Unexpected run-time procedure linkages detected! aarch64-linux-gnu-ld: drivers/net/ethernet/renesas/ravb_main.o: in function `ravb_rx_ring_refill': ravb_main.c:(.text+0x...
```diff diff --git a/drivers/net/ethernet/renesas/Kconfig b/drivers/net/ethernet/renesas/Kconfig index b03fae7a0f72..83de7e56da61 100644 --- a/drivers/net/ethernet/renesas/Kconfig +++ b/drivers/net/ethernet/renesas/Kconfig @@ -33,6 +33,7 @@ config RAVB select CRC32 select MII select MDIO_BITBANG + select PAGE_POO...
e8496ad6d804234933791daf3198c3a7fee522aa
Analyze and fix the following issue in the Linux kernel code: docs: crypto: async-tx-api: fix broken code example
Problem Details: The code example fails to compile: 1) addr_conv is defined twice, once as a VLA, which have been phased out 2) submit is not a pointer, but is still dereferenced with -> 3) The first call to async_xor() lacked the trailing semicolon Fix these issues and while at it, fix some code style nitpic...
```diff diff --git a/Documentation/crypto/async-tx-api.rst b/Documentation/crypto/async-tx-api.rst index 27c146b54d71..f88a7809385e 100644 --- a/Documentation/crypto/async-tx-api.rst +++ b/Documentation/crypto/async-tx-api.rst @@ -150,38 +150,38 @@ of an operation. Perform a xor->copy->xor operation where each operati...
99a021edde0287d04afc0de6a72d7f8fbfcecdd0
Analyze and fix the following issue in the Linux kernel code: Documentation: kernel-parameters: Add RISCV for nohlt
Problem Details: Since commit bcf11b5e99b2 ("riscv: Enable idle generic idle loop") enable idle generic idle loop for RISCV, but the document is not updated synchronously, so update RISCV support for nohlt. Signed-off-by: Jinjie Ruan <ruanjinjie@huawei.com> Fixes: bcf11b5e99b2 ("riscv: Enable idle generic idle loop") ...
```diff diff --git a/Documentation/admin-guide/kernel-parameters.txt b/Documentation/admin-guide/kernel-parameters.txt index 500cfa776225..797ba942786c 100644 --- a/Documentation/admin-guide/kernel-parameters.txt +++ b/Documentation/admin-guide/kernel-parameters.txt @@ -3914,7 +3914,7 @@ nohibernate [HIBERNATION] D...
79ced51e2e5670da67339d5e21818cbc7ce60646
Analyze and fix the following issue in the Linux kernel code: dlm: remove DLM_LSFL_SOFTIRQ from exflags
Problem Details: The DLM rcom handling has a check that all exflags are the same for the whole lockspace membership nodes. There are some flags that requires such handling, however DLM_LSFL_SOFTIRQ does not require this handling and it should be backwards compatibility with other lockspaces that does not set this flag....
```diff diff --git a/fs/dlm/lockspace.c b/fs/dlm/lockspace.c index 7c4f45ad2245..1848cbbc96a9 100644 --- a/fs/dlm/lockspace.c +++ b/fs/dlm/lockspace.c @@ -413,7 +413,8 @@ static int new_lockspace(const char *name, const char *cluster, /* ls_exflags are forced to match among nodes, and we don't * need to require al...
0057222c45140830a7bf55e92fb67f84a2814f67
Analyze and fix the following issue in the Linux kernel code: regulator: axp20x: AXP717: fix LDO supply rails and off-by-ones
Problem Details: The X-Powers AXP717 PMIC has separate input supply pins for each group of LDOs, so they are not all using the same DCDC1 input, as described currently. Replace the "supply" member of each LDO description with the respective group supply name, so that the supply dependencies can be correctly described ...
```diff diff --git a/drivers/regulator/axp20x-regulator.c b/drivers/regulator/axp20x-regulator.c index 34fcdd82b2ea..f3c447ecdc3b 100644 --- a/drivers/regulator/axp20x-regulator.c +++ b/drivers/regulator/axp20x-regulator.c @@ -140,7 +140,7 @@ #define AXP717_DCDC1_NUM_VOLTAGES 88 #define AXP717_DCDC2_NUM_VOLTAGES 10...
566f1dd5281679584a2a1d53a6be5daad7fbb60e
Analyze and fix the following issue in the Linux kernel code: PCI: Relax bridge window tail sizing rules
Problem Details: During remove & rescan cycle, PCI subsystem will recalculate and adjust the bridge window sizing that was initially done by "BIOS". The size calculation is based on the required alignment of the largest resource among the downstream resources as per pbus_size_mem() (unimportant or zero parameters marke...
```diff diff --git a/drivers/pci/setup-bus.c b/drivers/pci/setup-bus.c index 03bb449cf260..23082bc0ca37 100644 --- a/drivers/pci/setup-bus.c +++ b/drivers/pci/setup-bus.c @@ -22,6 +22,7 @@ #include <linux/errno.h> #include <linux/ioport.h> #include <linux/cache.h> +#include <linux/limits.h> #include <linux/sizes.h>...
54559642b96116b45e4b5ca7fd9f7835b8561272
Analyze and fix the following issue in the Linux kernel code: io_uring/rsrc: don't lock while !TASK_RUNNING
Problem Details: There is a report of io_rsrc_ref_quiesce() locking a mutex while not TASK_RUNNING, which is due to forgetting restoring the state back after io_run_task_work_sig() and attempts to break out of the waiting loop. do not call blocking ops when !TASK_RUNNING; state=1 set at [<ffffffff815d2494>] prepare_to...
```diff diff --git a/io_uring/rsrc.c b/io_uring/rsrc.c index 65417c9553b1..edb9c5baf2e2 100644 --- a/io_uring/rsrc.c +++ b/io_uring/rsrc.c @@ -249,6 +249,7 @@ __cold static int io_rsrc_ref_quiesce(struct io_rsrc_data *data, ret = io_run_task_work_sig(ctx); if (ret < 0) { + __set_current_state(TASK_RUNNING); ...
6bfff3582416b2f809e6b08c6e9d57b18086bdbd
Analyze and fix the following issue in the Linux kernel code: Revert "batman-adv: prefer kfree_rcu() over call_rcu() with free-only callbacks"
Problem Details: This reverts commit 537db05da2ca8ccc1243c9dd1d0c148b84aa0432. This change seems to result in a memory leak / RCU race and the following kernel splat when the batman-adv kernel module is unloaded: ``` [ 112.208633] ============================================================================= [ 112.2...
```diff diff --git a/net/batman-adv/translation-table.c b/net/batman-adv/translation-table.c index b21ff3c36b07..2243cec18ecc 100644 --- a/net/batman-adv/translation-table.c +++ b/net/batman-adv/translation-table.c @@ -208,6 +208,20 @@ batadv_tt_global_hash_find(struct batadv_priv *bat_priv, const u8 *addr, return tt...
f709124dd72fe7a3f6ba7764b2ed145c55c33e47
Analyze and fix the following issue in the Linux kernel code: bpf: selftests: nf: Opt out of using generated kfunc prototypes
Problem Details: The bpf-nf selftests play various games with aliased types such that folks with CONFIG_NF_CONNTRACK=m/n configs can still build the selftests. See commits: 1058b6a78db2 ("selftests/bpf: Do not fail build if CONFIG_NF_CONNTRACK=m/n") 92afc5329a5b ("selftests/bpf: Fix build errors if CONFIG_NF_CONNTRACK...
```diff diff --git a/tools/testing/selftests/bpf/progs/test_bpf_nf.c b/tools/testing/selftests/bpf/progs/test_bpf_nf.c index 0289d8ce2b80..f7b330ddd007 100644 --- a/tools/testing/selftests/bpf/progs/test_bpf_nf.c +++ b/tools/testing/selftests/bpf/progs/test_bpf_nf.c @@ -1,4 +1,5 @@ // SPDX-License-Identifier: GPL-2.0 ...
cce4c40b960673f9e020835def310f1e89d3a940
Analyze and fix the following issue in the Linux kernel code: bpf: treewide: Align kfunc signatures to prog point-of-view
Problem Details: Previously, kfunc declarations in bpf_kfuncs.h (and others) used "user facing" types for kfuncs prototypes while the actual kfunc definitions used "kernel facing" types. More specifically: bpf_dynptr vs bpf_dynptr_kern, __sk_buff vs sk_buff, and xdp_md vs xdp_buff. It wasn't an issue before, as the ve...
```diff diff --git a/fs/verity/measure.c b/fs/verity/measure.c index 3969d54158d1..175d2f1bc089 100644 --- a/fs/verity/measure.c +++ b/fs/verity/measure.c @@ -111,14 +111,15 @@ __bpf_kfunc_start_defs(); /** * bpf_get_fsverity_digest: read fsverity digest of file * @file: file to get digest from - * @digest_ptr: (o...