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adb77bba9c664f5d120e0ffb1387e9d7408e1529
Analyze and fix the following issue in the Linux kernel code: scsi: mpt3sas: Avoid possible run-time warning with long manufacturer strings
Problem Details: The prior strscpy() replacement of strncpy() here expected the manufacture_reply strings to be NUL-terminated, but it is possible they are not, as the code pattern here shows, e.g., edev->vendor_id being exactly 1 character larger than manufacture_reply->vendor_id, and the replaced strncpy() was copyin...
```diff diff --git a/drivers/scsi/mpt3sas/mpt3sas_base.c b/drivers/scsi/mpt3sas/mpt3sas_base.c index 258647fc6bdd..1320e06727df 100644 --- a/drivers/scsi/mpt3sas/mpt3sas_base.c +++ b/drivers/scsi/mpt3sas/mpt3sas_base.c @@ -4774,7 +4774,7 @@ _base_display_ioc_capabilities(struct MPT3SAS_ADAPTER *ioc) char desc[17] = {...
518549c120e671c4906f77d1802b97e9b23f673a
Analyze and fix the following issue in the Linux kernel code: cifs: fix creating sockets when using sfu mount options
Problem Details: When running fstest generic/423 with sfu mount option, it was being skipped due to inability to create sockets: generic/423 [not run] cifs does not support mknod/mkfifo which can also be easily reproduced with their af_unix tool: ./src/af_unix /mnt1/socket-two bind: Operation not permitted Fix...
```diff diff --git a/fs/smb/client/cifspdu.h b/fs/smb/client/cifspdu.h index c46d418c1c0c..a2072ab9e586 100644 --- a/fs/smb/client/cifspdu.h +++ b/fs/smb/client/cifspdu.h @@ -2574,7 +2574,7 @@ typedef struct { struct win_dev { - unsigned char type[8]; /* IntxCHR or IntxBLK or LnxFIFO*/ + unsigned char type[8]; /* ...
88da52ccd66e65f2e63a6c35c9dff55d448ef4dc
Analyze and fix the following issue in the Linux kernel code: landlock: Fix d_parent walk
Problem Details: The WARN_ON_ONCE() in collect_domain_accesses() can be triggered when trying to link a root mount point. This cannot work in practice because this directory is mounted, but the VFS check is done after the call to security_path_link(). Do not use source directory's d_parent when the source directory i...
```diff diff --git a/security/landlock/fs.c b/security/landlock/fs.c index 22d8b7c28074..7877a64cc6b8 100644 --- a/security/landlock/fs.c +++ b/security/landlock/fs.c @@ -1110,6 +1110,7 @@ static int current_check_refer_path(struct dentry *const old_dentry, bool allow_parent1, allow_parent2; access_mask_t access_re...
0f42bdf59b4e428485aa922bef871bfa6cc505e0
Analyze and fix the following issue in the Linux kernel code: selftests/tracing: Fix event filter test to retry up to 10 times
Problem Details: Commit eb50d0f250e9 ("selftests/ftrace: Choose target function for filter test from samples") choose the target function from samples, but sometimes this test failes randomly because the target function does not hit at the next time. So retry getting samples up to 10 times. Fixes: eb50d0f250e9 ("selft...
```diff diff --git a/tools/testing/selftests/ftrace/test.d/filter/event-filter-function.tc b/tools/testing/selftests/ftrace/test.d/filter/event-filter-function.tc index 3f74c09c56b6..118247b8dd84 100644 --- a/tools/testing/selftests/ftrace/test.d/filter/event-filter-function.tc +++ b/tools/testing/selftests/ftrace/test...
3cb648c4dd3e8dde800fb3659250ed11f2d9efa5
Analyze and fix the following issue in the Linux kernel code: ata: libata-core: Add ATA_HORKAGE_NOLPM for Apacer AS340
Problem Details: Commit 7627a0edef54 ("ata: ahci: Drop low power policy board type") dropped the board_ahci_low_power board type, and instead enables LPM if: -The AHCI controller reports that it supports LPM (Partial/Slumber), and -CONFIG_SATA_MOBILE_LPM_POLICY != 0, and -The port is not defined as external in the per ...
```diff diff --git a/drivers/ata/libata-core.c b/drivers/ata/libata-core.c index 4ea859dc381a..e1bf8a19b3c8 100644 --- a/drivers/ata/libata-core.c +++ b/drivers/ata/libata-core.c @@ -4159,6 +4159,9 @@ static const struct ata_blacklist_entry ata_device_blacklist [] = { /* AMD Radeon devices with broken LPM support */ ...
473880369304cfd4445720cdd8bae4c6f1e16e60
Analyze and fix the following issue in the Linux kernel code: ata: libata-core: Add ATA_HORKAGE_NOLPM for AMD Radeon S3 SSD
Problem Details: Commit 7627a0edef54 ("ata: ahci: Drop low power policy board type") dropped the board_ahci_low_power board type, and instead enables LPM if: -The AHCI controller reports that it supports LPM (Partial/Slumber), and -CONFIG_SATA_MOBILE_LPM_POLICY != 0, and -The port is not defined as external in the per ...
```diff diff --git a/drivers/ata/libata-core.c b/drivers/ata/libata-core.c index b0ce621fe2a1..4ea859dc381a 100644 --- a/drivers/ata/libata-core.c +++ b/drivers/ata/libata-core.c @@ -4156,6 +4156,9 @@ static const struct ata_blacklist_entry ata_device_blacklist [] = { ATA_HORKAGE_ZERO_AFTER_TRIM | ATA_HOR...
03c7918d0d52378d215712ff66c06a980a2119ab
Analyze and fix the following issue in the Linux kernel code: drm: move i915_drm.h under include/drm/intel
Problem Details: Clean up the top level include/drm directory by grouping all the Intel specific files under a common subdirectory. v2: Also fix comment in intel_pci_config.h (Ilpo) Cc: Daniel Vetter <daniel@ffwll.ch> Cc: Dave Airlie <airlied@gmail.com> Cc: Lucas De Marchi <lucas.demarchi@intel.com> Cc: Bjorn Helgaas...
```diff diff --git a/arch/x86/kernel/early-quirks.c b/arch/x86/kernel/early-quirks.c index 1c137771c5d2..ec1a7943c228 100644 --- a/arch/x86/kernel/early-quirks.c +++ b/arch/x86/kernel/early-quirks.c @@ -17,7 +17,7 @@ #include <linux/bcma/bcma.h> #include <linux/bcma/bcma_regs.h> #include <linux/platform_data/x86/app...
86aaa7e9d641c1ad1035ed2df88b8d0b48c86b30
Analyze and fix the following issue in the Linux kernel code: ata: libata-core: Add ATA_HORKAGE_NOLPM for Crucial CT240BX500SSD1
Problem Details: Commit 7627a0edef54 ("ata: ahci: Drop low power policy board type") dropped the board_ahci_low_power board type, and instead enables LPM if: -The AHCI controller reports that it supports LPM (Partial/Slumber), and -CONFIG_SATA_MOBILE_LPM_POLICY != 0, and -The port is not defined as external in the per ...
```diff diff --git a/drivers/ata/libata-core.c b/drivers/ata/libata-core.c index 4f35aab81a0a..b0ce621fe2a1 100644 --- a/drivers/ata/libata-core.c +++ b/drivers/ata/libata-core.c @@ -4136,8 +4136,9 @@ static const struct ata_blacklist_entry ata_device_blacklist [] = { { "PIONEER BD-RW BDR-207M", NULL, ATA_HORKAGE_N...
c063cce7df3a765539e2a2d75ab943f334446cce
Analyze and fix the following issue in the Linux kernel code: drm/xe/pf: Update the LMTT when freeing VF GT config
Problem Details: The LMTT must be updated whenever we change the VF LMEM configuration. We missed that step when freeing the whole VF GT config, which could result in stale PTE in LMTT or LMTT PT object leaks. Fix that. Fixes: ac6598aed1b3 ("drm/xe/pf: Add support to configure SR-IOV VFs") Signed-off-by: Michal Wajdec...
```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 f678cd1ad9c5..f49fc2917f93 100644 --- a/drivers/gpu/drm/xe/xe_gt_sriov_pf_config.c +++ b/drivers/gpu/drm/xe/xe_gt_sriov_pf_config.c @@ -1842,6 +1842,7 @@ static void pf_release_vf_config(struct xe_gt *gt, ...
55fac50ea46f46a22a92e2139b92afaa3822ad19
Analyze and fix the following issue in the Linux kernel code: ALSA: seq: ump: Fix missing System Reset message handling
Problem Details: The conversion from System Reset event to UMP was missing. Add the entry for a conversion to a proper UMP System message. Fixes: e9e02819a98a ("ALSA: seq: Automatic conversion of UMP events") Link: https://lore.kernel.org/r/20240531123718.13420-1-tiwai@suse.de Signed-off-by: Takashi Iwai <tiwai@suse.d...
```diff diff --git a/sound/core/seq/seq_ump_convert.c b/sound/core/seq/seq_ump_convert.c index 171fb75267af..d81f776a4c3d 100644 --- a/sound/core/seq/seq_ump_convert.c +++ b/sound/core/seq/seq_ump_convert.c @@ -1075,6 +1075,8 @@ static const struct seq_ev_to_ump seq_ev_ump_encoders[] = { system_ev_to_ump_midi1, sys...
6386682cdc8b41319c92fbbe421953e33a28840c
Analyze and fix the following issue in the Linux kernel code: ALSA: hda: cs35l41: Possible null pointer dereference in cs35l41_hda_unbind()
Problem Details: The cs35l41_hda_unbind() function clears the hda_component entry matching it's index and then dereferences the codec pointer held in the first element of the hda_component array, this is an issue when the device index was 0. Instead use the codec pointer stashed in the cs35l41_hda structure as it will...
```diff diff --git a/sound/pci/hda/cs35l41_hda.c b/sound/pci/hda/cs35l41_hda.c index 6c49e5c6cd20..d54d4d60b03e 100644 --- a/sound/pci/hda/cs35l41_hda.c +++ b/sound/pci/hda/cs35l41_hda.c @@ -1495,7 +1495,7 @@ static void cs35l41_hda_unbind(struct device *dev, struct device *master, void * if (comps[cs35l41->index].de...
d339131bf02d4ed918415574082caf5e8af6e664
Analyze and fix the following issue in the Linux kernel code: ALSA: hda: cs35l56: Fix lifecycle of codec pointer
Problem Details: The codec should be cleared when the amp driver is unbound and when resuming it should be tested to prevent loading firmware into the device and ALSA in a partially configured system state. Signed-off-by: Simon Trimmer <simont@opensource.cirrus.com> Link: https://lore.kernel.org/r/20240531112716.25323...
```diff diff --git a/sound/pci/hda/cs35l56_hda.c b/sound/pci/hda/cs35l56_hda.c index 11b0570ff56d..0923e2589f5f 100644 --- a/sound/pci/hda/cs35l56_hda.c +++ b/sound/pci/hda/cs35l56_hda.c @@ -735,6 +735,8 @@ static void cs35l56_hda_unbind(struct device *dev, struct device *master, void * if (comps[cs35l56->index].dev ...
24147897507cd3a7d63745d1518a638bf4132238
Analyze and fix the following issue in the Linux kernel code: media: imon: Fix race getting ictx->lock
Problem Details: Lets fix a race between mutex_is_lock() and mutex_lock(). <-mutex is not locked if (!mutex_is_locked(&ictx->lock)) { unlock = true; <- mutex is locked externaly mutex_lock(&ictx->lock); } Let's use mutex_trylock() that does mutex_is_lock() and mutex_lock() atomically. Fix the following cocci warni...
```diff diff --git a/drivers/media/rc/imon.c b/drivers/media/rc/imon.c index 0b55314a8082..8f1361bcce3a 100644 --- a/drivers/media/rc/imon.c +++ b/drivers/media/rc/imon.c @@ -1148,10 +1148,7 @@ static int imon_ir_change_protocol(struct rc_dev *rc, u64 *rc_proto) memcpy(ictx->usb_tx_buf, &ir_proto_packet, sizeof(ir_...
2052138b7da52ad5ccaf74f736d00f39a1c9198c
Analyze and fix the following issue in the Linux kernel code: media: dvb-usb: Fix unexpected infinite loop in dvb_usb_read_remote_control()
Problem Details: Infinite log printing occurs during fuzz test: rc rc1: DViCO FusionHDTV DVB-T USB (LGZ201) as ... ... dvb-usb: schedule remote query interval to 100 msecs. dvb-usb: DViCO FusionHDTV DVB-T USB (LGZ201) successfully initialized ... dvb-usb: bulk message failed: -22 (1/0) dvb-usb: bulk messag...
```diff diff --git a/drivers/media/usb/dvb-usb/dvb-usb-init.c b/drivers/media/usb/dvb-usb/dvb-usb-init.c index fbf58012becd..22d83ac18eb7 100644 --- a/drivers/media/usb/dvb-usb/dvb-usb-init.c +++ b/drivers/media/usb/dvb-usb/dvb-usb-init.c @@ -23,11 +23,40 @@ static int dvb_usb_force_pid_filter_usage; module_param_name...
e1b08c6f5b92d408a9fcc1030a340caeb9852250
Analyze and fix the following issue in the Linux kernel code: leds: rgb: leds-ktd202x: Initialize mutex earlier
Problem Details: The mutex must be initialized before the LED class device is registered otherwise there is a race where it may get used before it is initialized: DEBUG_LOCKS_WARN_ON(lock->magic != lock) WARNING: CPU: 2 PID: 2045 at kernel/locking/mutex.c:587 __mutex_lock ... RIP: 0010:__mutex_lock+0x7db/0xc10 .....
```diff diff --git a/drivers/leds/rgb/leds-ktd202x.c b/drivers/leds/rgb/leds-ktd202x.c index 60ca6ec34336..d5c442163c46 100644 --- a/drivers/leds/rgb/leds-ktd202x.c +++ b/drivers/leds/rgb/leds-ktd202x.c @@ -556,6 +556,10 @@ static int ktd202x_probe(struct i2c_client *client) return ret; } + ret = devm_mutex_init...
96646f3a5a5dd32232c337cf468830113be4e48c
Analyze and fix the following issue in the Linux kernel code: Documentation: media: Fix v4l2_ctrl_vp8_frame struct
Problem Details: Description and control were out of sync. Signed-off-by: Fritz Koenig <frkoenig@chromium.org> Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
```diff diff --git a/Documentation/userspace-api/media/v4l/ext-ctrls-codec-stateless.rst b/Documentation/userspace-api/media/v4l/ext-ctrls-codec-stateless.rst index 786127b1e206..22bde00d42df 100644 --- a/Documentation/userspace-api/media/v4l/ext-ctrls-codec-stateless.rst +++ b/Documentation/userspace-api/media/v4l/ext...
58154dbda4345299bff30eb78cbce6bc6dafcf84
Analyze and fix the following issue in the Linux kernel code: media: rockchip: rga: fix sequence number handling
Problem Details: The RGA driver didn't set the sequence numbers of the returned buffers. Keep track of the CAPTURE and OUTPUT sequence numbers, and set the sequence numbers in the source and destination buffers. Signed-off-by: Michael Tretter <m.tretter@pengutronix.de> Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4a...
```diff diff --git a/drivers/media/platform/rockchip/rga/rga-buf.c b/drivers/media/platform/rockchip/rga/rga-buf.c index 662c81b6d0b5..70808049d2e8 100644 --- a/drivers/media/platform/rockchip/rga/rga-buf.c +++ b/drivers/media/platform/rockchip/rga/rga-buf.c @@ -195,6 +195,11 @@ static int rga_buf_start_streaming(struc...
364ae46413f67f97e4611b050d7d53079dbb9dba
Analyze and fix the following issue in the Linux kernel code: media: siano: Use flex arrays for sms_firmware
Problem Details: Replace old style single array member, with flex array. The struct is allocated, but it seems like there was an over allocation error: fw_buf = kmalloc(ALIGN(fw->size + sizeof(struct sms_firmware), SMS_ALLOC_ALIGNMENT), GFP_KERNEL | coredev->gfp_buf_flags); This change fixes this cocci warning: dr...
```diff diff --git a/drivers/media/common/siano/smscoreapi.h b/drivers/media/common/siano/smscoreapi.h index bc61bc8b9ea9..82d9f8a64d99 100644 --- a/drivers/media/common/siano/smscoreapi.h +++ b/drivers/media/common/siano/smscoreapi.h @@ -666,7 +666,7 @@ struct sms_firmware { u32 check_sum; u32 length; u32 ...
b657179a11d9834df16b3bc2015f2931d20de528
Analyze and fix the following issue in the Linux kernel code: media: siano: Remove unused structures
Problem Details: These structs are not used in the code, remove them. This fixes the following cocci warning: drivers/media/common/siano/smscoreapi.h:1049:4-8: WARNING use flexible-array member instead (https://www.kernel.org/doc/html/latest/process/deprecated.html#zero-length-and-one-element-arrays) drivers/media/co...
```diff diff --git a/drivers/media/common/siano/smscoreapi.h b/drivers/media/common/siano/smscoreapi.h index 46dc74ac9318..bc61bc8b9ea9 100644 --- a/drivers/media/common/siano/smscoreapi.h +++ b/drivers/media/common/siano/smscoreapi.h @@ -1042,20 +1042,6 @@ struct sms_srvm_signal_status { u32 request_id; }; -struc...
6c69a73adf506080765d5dace6f4fcce8c6cda15
Analyze and fix the following issue in the Linux kernel code: media: siano: Refactor struct sms_msg_data
Problem Details: Replace a single element array with a single element field. The endianness conversion code seems to support multiple elements. To avoid changing behavior a pointer to the single element has been used. This is safer than moving to a flex array, because in that case the structure size changes. This fi...
```diff diff --git a/drivers/media/common/siano/smscoreapi.c b/drivers/media/common/siano/smscoreapi.c index 7ebcb10126c9..b6f1eb5dbbdf 100644 --- a/drivers/media/common/siano/smscoreapi.c +++ b/drivers/media/common/siano/smscoreapi.c @@ -839,7 +839,7 @@ static int smscore_configure_board(struct smscore_device_t *cored...
669d51f8f45db35a5e44101b90fcc7173088ad28
Analyze and fix the following issue in the Linux kernel code: media: allegro: nal-hevc: Replace array[1] with array[N]
Problem Details: Structures that have a single element array as the last field can be mistaken as a "flex array". We could replace all the single element arrays in the structure with single element fields, but this driver prefers to follow the ITU-T H.265 specification, which defines it as an array. If we introduce a...
```diff diff --git a/drivers/media/platform/allegro-dvt/nal-hevc.h b/drivers/media/platform/allegro-dvt/nal-hevc.h index eb46f12aae80..361e2f55c254 100644 --- a/drivers/media/platform/allegro-dvt/nal-hevc.h +++ b/drivers/media/platform/allegro-dvt/nal-hevc.h @@ -96,10 +96,11 @@ struct nal_hevc_vps { unsigned int exte...
68879806a567a50ba5fd25b16d2f923e88715e7f
Analyze and fix the following issue in the Linux kernel code: media: go7007: Refactor Adlink PCI-MPG24 i2c mutex
Problem Details: Move the lock/unlock to its own function. It makes the code cleaner and cocci happier. Fix the following cocci warning: drivers/media/usb/go7007/go7007-i2c.c:125:1-7: preceding lock on line 61 Signed-off-by: Ricardo Ribalda <ribalda@chromium.org> Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
```diff diff --git a/drivers/media/usb/go7007/go7007-i2c.c b/drivers/media/usb/go7007/go7007-i2c.c index 2880370e45c8..f6ce28a4a768 100644 --- a/drivers/media/usb/go7007/go7007-i2c.c +++ b/drivers/media/usb/go7007/go7007-i2c.c @@ -33,7 +33,21 @@ /* There is only one I2C port on the TW2804 that feeds all four GO7007 ...
0b9a0cd686f6e17e3b33953b9cd0746978fcaa7c
Analyze and fix the following issue in the Linux kernel code: media: dvb-frontends/stv090x: Refactor tuner_i2c_lock
Problem Details: Move the lock logic to it's own function. There is less code duplication and cocci is much happier. Fix the following cocci warning: drivers/media/dvb-frontends/stv090x.c:799:1-7: preceding lock on line 768 Signed-off-by: Ricardo Ribalda <ribalda@chromium.org> Signed-off-by: Hans Verkuil <hverkuil-ci...
```diff diff --git a/drivers/media/dvb-frontends/stv090x.c b/drivers/media/dvb-frontends/stv090x.c index cc45139057ba..3b02d504941f 100644 --- a/drivers/media/dvb-frontends/stv090x.c +++ b/drivers/media/dvb-frontends/stv090x.c @@ -748,6 +748,22 @@ static int stv090x_write_reg(struct stv090x_state *state, unsigned int r...
f56d1edbb7c4d9d20e1fea25adbaa76bb8b28021
Analyze and fix the following issue in the Linux kernel code: media: ivtv: Factor out schedule functions
Problem Details: Cocci is very confused by unlock-lock a mutex in the middle of a function. Factor the schedules out, avoid code duplication and make cocci a bit happier. Fix the following cocci warnings: drivers/media/pci/ivtv/ivtv-fileops.c:223:4-10: preceding lock on line 267 drivers/media/pci/ivtv/ivtv-fileops.c:...
```diff diff --git a/drivers/media/pci/ivtv/ivtv-fileops.c b/drivers/media/pci/ivtv/ivtv-fileops.c index 4202c3a47d33..cfa28d035586 100644 --- a/drivers/media/pci/ivtv/ivtv-fileops.c +++ b/drivers/media/pci/ivtv/ivtv-fileops.c @@ -21,6 +21,7 @@ #include "ivtv-ioctl.h" #include "ivtv-cards.h" #include "ivtv-firmware....
629913d6d79508b166c66e07e4857e20233d85a9
Analyze and fix the following issue in the Linux kernel code: media: pci: ivtv: Add check for DMA map result
Problem Details: In case DMA fails, 'dma->SG_length' is 0. This value is later used to access 'dma->SGarray[dma->SG_length - 1]', which will cause out of bounds access. Add check to return early on invalid value. Adjust warnings accordingly. Found by Linux Verification Center (linuxtesting.org) with SVACE. Fixes: 19...
```diff diff --git a/drivers/media/pci/ivtv/ivtv-udma.c b/drivers/media/pci/ivtv/ivtv-udma.c index 99b9f55ca829..f467a00492f4 100644 --- a/drivers/media/pci/ivtv/ivtv-udma.c +++ b/drivers/media/pci/ivtv/ivtv-udma.c @@ -131,6 +131,8 @@ int ivtv_udma_setup(struct ivtv *itv, unsigned long ivtv_dest_addr, /* Fill SG Li...
985cfe501b74f214905ab4817acee0df24627268
Analyze and fix the following issue in the Linux kernel code: thunderbolt: debugfs: Fix margin debugfs node creation condition
Problem Details: The margin debugfs node controls the "Enable Margin Test" field of the lane margining operations. This field selects between either low or high voltage margin values for voltage margin test or left or right timing margin values for timing margin test. According to the USB4 specification, whether or no...
```diff diff --git a/drivers/thunderbolt/debugfs.c b/drivers/thunderbolt/debugfs.c index 193e9dfc983b..70b52aac3d97 100644 --- a/drivers/thunderbolt/debugfs.c +++ b/drivers/thunderbolt/debugfs.c @@ -943,8 +943,9 @@ static void margining_port_init(struct tb_port *port) debugfs_create_file("run", 0600, dir, port, &marg...
dc8e5dfb52d56e955ad09174330252710845b8d2
Analyze and fix the following issue in the Linux kernel code: perf/x86/intel: Add missing MODULE_DESCRIPTION() lines
Problem Details: Fix the 'make W=1 C=1' warnings: WARNING: modpost: missing MODULE_DESCRIPTION() in arch/x86/events/intel/intel-uncore.o WARNING: modpost: missing MODULE_DESCRIPTION() in arch/x86/events/intel/intel-cstate.o Signed-off-by: Jeff Johnson <quic_jjohnson@quicinc.com> Signed-off-by: Ingo Molnar <mingo@...
```diff diff --git a/arch/x86/events/intel/cstate.c b/arch/x86/events/intel/cstate.c index e64eaa8dda5a..9d6e8f13d13a 100644 --- a/arch/x86/events/intel/cstate.c +++ b/arch/x86/events/intel/cstate.c @@ -114,6 +114,7 @@ #include "../perf_event.h" #include "../probe.h" +MODULE_DESCRIPTION("Support for Intel cstate pe...
0a44078f2b72abcdda47581c942bd5d0468ec50b
Analyze and fix the following issue in the Linux kernel code: perf/x86/rapl: Add missing MODULE_DESCRIPTION() line
Problem Details: Fix the warning from 'make C=1 W=1': WARNING: modpost: missing MODULE_DESCRIPTION() in arch/x86/events/rapl.o Signed-off-by: Jeff Johnson <quic_jjohnson@quicinc.com> Signed-off-by: Ingo Molnar <mingo@kernel.org> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Arnaldo Carvalho de Melo <acme@kernel.org...
```diff diff --git a/arch/x86/events/rapl.c b/arch/x86/events/rapl.c index 46e673585560..0c5e7a7c43ac 100644 --- a/arch/x86/events/rapl.c +++ b/arch/x86/events/rapl.c @@ -64,6 +64,7 @@ #include "perf_event.h" #include "probe.h" +MODULE_DESCRIPTION("Support Intel/AMD RAPL energy consumption counters"); MODULE_LICEN...
e0eec24e2e199873f43df99ec39773ad3af2bff7
Analyze and fix the following issue in the Linux kernel code: memblock: make memblock_set_node() also warn about use of MAX_NUMNODES
Problem Details: On an (old) x86 system with SRAT just covering space above 4Gb: ACPI: SRAT: Node 0 PXM 0 [mem 0x100000000-0xfffffffff] hotplug the commit referenced below leads to this NUMA configuration no longer being refused by a CONFIG_NUMA=y kernel (previously NUMA: nodes only cover 6144MB of your 8185...
```diff diff --git a/mm/memblock.c b/mm/memblock.c index d09136e040d3..08e9806b1cf9 100644 --- a/mm/memblock.c +++ b/mm/memblock.c @@ -1339,6 +1339,10 @@ int __init_memblock memblock_set_node(phys_addr_t base, phys_addr_t size, int start_rgn, end_rgn; int i, ret; + if (WARN_ONCE(nid == MAX_NUMNODES, + "Usa...
aabbf2135f9a9526991f17cb0c78cf1ec878f1c2
Analyze and fix the following issue in the Linux kernel code: crypto: atmel-sha204a - fix negated return value
Problem Details: Fix negated variable return value. Fixes: e05ce444e9e5 ("crypto: atmel-sha204a - add reading from otp zone") Reported-by: Dan Carpenter <dan.carpenter@linaro.org> Closes: https://lore.kernel.org/linux-crypto/34cd4179-090e-479d-b459-8d0d35dd327d@moroto.mountain/ Signed-off-by: Lothar Rubusch <l.rubusch...
```diff diff --git a/drivers/crypto/atmel-sha204a.c b/drivers/crypto/atmel-sha204a.c index 24ffdf505023..2034f6031518 100644 --- a/drivers/crypto/atmel-sha204a.c +++ b/drivers/crypto/atmel-sha204a.c @@ -106,7 +106,7 @@ static int atmel_sha204a_otp_read(struct i2c_client *client, u16 addr, u8 *otp) if (cmd.data[0] =...
8d7c52cb4184d3dc26dde62b4f5acd48de0768ae
Analyze and fix the following issue in the Linux kernel code: crypto: tegra - Remove an incorrect iommu_fwspec_free() call in tegra_se_remove()
Problem Details: The only iommu function call in this driver is a tegra_dev_iommu_get_stream_id() which does not allocate anything and does not take any reference. So there is no point in calling iommu_fwspec_free() in the remove function. Remove this incorrect function call. Fixes: 0880bb3b00c8 ("crypto: tegra - Ad...
```diff diff --git a/drivers/crypto/tegra/tegra-se-main.c b/drivers/crypto/tegra/tegra-se-main.c index 9955874b3dc3..f94c0331b148 100644 --- a/drivers/crypto/tegra/tegra-se-main.c +++ b/drivers/crypto/tegra/tegra-se-main.c @@ -326,7 +326,6 @@ static void tegra_se_remove(struct platform_device *pdev) crypto_engine_s...
7c699fe9a5740a228b2974325e817de28f7b6afd
Analyze and fix the following issue in the Linux kernel code: crypto: Add missing MODULE_DESCRIPTION() macros
Problem Details: Fix the 'make W=1' warnings: WARNING: modpost: missing MODULE_DESCRIPTION() in crypto/cast_common.o WARNING: modpost: missing MODULE_DESCRIPTION() in crypto/af_alg.o WARNING: modpost: missing MODULE_DESCRIPTION() in crypto/algif_hash.o WARNING: modpost: missing MODULE_DESCRIPTION() in crypto/algif_skci...
```diff diff --git a/crypto/af_alg.c b/crypto/af_alg.c index 18cfead0081d..0da7c1ac778a 100644 --- a/crypto/af_alg.c +++ b/crypto/af_alg.c @@ -1317,5 +1317,6 @@ static void __exit af_alg_exit(void) module_init(af_alg_init); module_exit(af_alg_exit); +MODULE_DESCRIPTION("Crypto userspace interface"); MODULE_LICENSE...
6684f97981c528965d7458dd4f89cfbc8fa980b2
Analyze and fix the following issue in the Linux kernel code: crypto: qat - Fix typo
Problem Details: The mapings should be replaced by mappings. Signed-off-by: Deming Wang <wangdeming@inspur.com> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
```diff diff --git a/drivers/crypto/intel/qat/qat_common/adf_dev_mgr.c b/drivers/crypto/intel/qat/qat_common/adf_dev_mgr.c index f07b748795f7..96ddd1c419c4 100644 --- a/drivers/crypto/intel/qat/qat_common/adf_dev_mgr.c +++ b/drivers/crypto/intel/qat/qat_common/adf_dev_mgr.c @@ -59,7 +59,7 @@ static int adf_get_vf_real_...
310fa3ec2859f1c094e6e9b5d2e1ca51738c409a
Analyze and fix the following issue in the Linux kernel code: ALSA: seq: ump: Fix swapped song position pointer data
Problem Details: At converting between the legacy event and UMP, the parameters for MIDI Song Position Pointer are incorrectly stored. It should have been LSB -> MSB order while it stored in MSB -> LSB order. This patch corrects the ordering. Fixes: e9e02819a98a ("ALSA: seq: Automatic conversion of UMP events") Link:...
```diff diff --git a/sound/core/seq/seq_ump_convert.c b/sound/core/seq/seq_ump_convert.c index f0f332017e66..171fb75267af 100644 --- a/sound/core/seq/seq_ump_convert.c +++ b/sound/core/seq/seq_ump_convert.c @@ -157,7 +157,7 @@ static void ump_system_to_one_param_ev(const union snd_ump_midi1_msg *val, static void ump_s...
c66f3b40b17d3dfc4b6abb5efde8e71c46971821
Analyze and fix the following issue in the Linux kernel code: RISC-V: KVM: Fix incorrect reg_subtype labels in kvm_riscv_vcpu_set_reg_isa_ext function
Problem Details: In the function kvm_riscv_vcpu_set_reg_isa_ext, the original code used incorrect reg_subtype labels KVM_REG_RISCV_SBI_MULTI_EN/DIS. These have been corrected to KVM_REG_RISCV_ISA_MULTI_EN/DIS respectively. Although they are numerically equivalent, the actual processing will not result in errors, but it...
```diff diff --git a/arch/riscv/kvm/vcpu_onereg.c b/arch/riscv/kvm/vcpu_onereg.c index c676275ea0a0..62874fbca29f 100644 --- a/arch/riscv/kvm/vcpu_onereg.c +++ b/arch/riscv/kvm/vcpu_onereg.c @@ -724,9 +724,9 @@ static int kvm_riscv_vcpu_set_reg_isa_ext(struct kvm_vcpu *vcpu, switch (reg_subtype) { case KVM_REG_RISC...
2d707b4e37f9b0c37b8b2392f91b04c5b63ea538
Analyze and fix the following issue in the Linux kernel code: RISC-V: KVM: No need to use mask when hart-index-bit is 0
Problem Details: When the maximum hart number within groups is 1, hart-index-bit is set to 0. Consequently, there is no need to restore the hart ID from IMSIC addresses and hart-index-bit settings. Currently, QEMU and kvmtool do not pass correct hart-index-bit values when the maximum hart number is a power of 2, thereb...
```diff diff --git a/arch/riscv/kvm/aia_device.c b/arch/riscv/kvm/aia_device.c index 0eb689351b7d..5cd407c6a8e4 100644 --- a/arch/riscv/kvm/aia_device.c +++ b/arch/riscv/kvm/aia_device.c @@ -237,10 +237,11 @@ static gpa_t aia_imsic_ppn(struct kvm_aia *aia, gpa_t addr) static u32 aia_imsic_hart_index(struct kvm_aia *...
bba1f6758a9ec90c1adac5dcf78f8a15f1bad65b
Analyze and fix the following issue in the Linux kernel code: lirc: rc_dev_get_from_fd(): fix file leak
Problem Details: missing fdput() on a failure exit Fixes: 6a9d552483d50 "media: rc: bpf attach/detach requires write permission" # v6.9 Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
```diff diff --git a/drivers/media/rc/lirc_dev.c b/drivers/media/rc/lirc_dev.c index 52aea4167718..717c441b4a86 100644 --- a/drivers/media/rc/lirc_dev.c +++ b/drivers/media/rc/lirc_dev.c @@ -828,8 +828,10 @@ struct rc_dev *rc_dev_get_from_fd(int fd, bool write) return ERR_PTR(-EINVAL); } - if (write && !(f.file-...
b4cf5fc01ce83e5c0bcf3dbb9f929428646b9098
Analyze and fix the following issue in the Linux kernel code: powerpc: fix a file leak in kvm_vcpu_ioctl_enable_cap()
Problem Details: missing fdput() on one of the failure exits Fixes: eacc56bb9de3e # v5.2 Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
```diff diff --git a/arch/powerpc/kvm/powerpc.c b/arch/powerpc/kvm/powerpc.c index d32abe7fe6ab..d11767208bfc 100644 --- a/arch/powerpc/kvm/powerpc.c +++ b/arch/powerpc/kvm/powerpc.c @@ -1984,8 +1984,10 @@ static int kvm_vcpu_ioctl_enable_cap(struct kvm_vcpu *vcpu, break; r = -ENXIO; - if (!xive_enabled()) + ...
0a751df4566c86e5a24f2a03290dad3d0f215692
Analyze and fix the following issue in the Linux kernel code: blk-throttle: Fix incorrect display of io.max
Problem Details: Commit bf20ab538c81 ("blk-throttle: remove CONFIG_BLK_DEV_THROTTLING_LOW") attempts to revert the code change introduced by commit cd5ab1b0fcb4 ("blk-throttle: add .low interface"). However, it leaves behind the bps_conf[] and iops_conf[] fields in the throtl_grp structure which aren't set anywhere in...
```diff diff --git a/block/blk-throttle.c b/block/blk-throttle.c index 0be180f9a789..c1bf73f8c75d 100644 --- a/block/blk-throttle.c +++ b/block/blk-throttle.c @@ -1399,32 +1399,32 @@ static u64 tg_prfill_limit(struct seq_file *sf, struct blkg_policy_data *pd, bps_dft = U64_MAX; iops_dft = UINT_MAX; - if (tg->bps_...
02d00dc73d8d0613f82063ed53d67912a422c21e
Analyze and fix the following issue in the Linux kernel code: net: phylink: rename ovr_an_inband to default_an_inband
Problem Details: Since ovr_an_inband no longer overrides every MLO_AN_xxx mode, rename it to reflect what it now does - it changes the default mode from MLO_AN_PHY to MLO_AN_INBAND. Fix up the two users of this. Signed-off-by: Russell King (Oracle) <rmk+kernel@armlinux.org.uk> Reviewed-by: Andrew Halaney <ahalaney@red...
```diff diff --git a/drivers/net/ethernet/freescale/fman/fman_memac.c b/drivers/net/ethernet/freescale/fman/fman_memac.c index 92b8f4ab26f1..9c44a3581950 100644 --- a/drivers/net/ethernet/freescale/fman/fman_memac.c +++ b/drivers/net/ethernet/freescale/fman/fman_memac.c @@ -1232,7 +1232,7 @@ int memac_initialization(st...
4af90c0f484491a1bdccc7c3bfe9b7411868b139
Analyze and fix the following issue in the Linux kernel code: net: stmmac: dwxgmac2: remove useless NULL pointer initialisations
Problem Details: Remove useless NULL pointer initialisations for "PCS" methods from the dwxgmac2 code. Reviewed-by: Andrew Halaney <ahalaney@redhat.com> Signed-off-by: Russell King (Oracle) <rmk+kernel@armlinux.org.uk> Reviewed-by: Serge Semin <fancer.lancer@gmail.com> Link: https://lore.kernel.org/r/E1sCErP-00EOPl-IT...
```diff diff --git a/drivers/net/ethernet/stmicro/stmmac/dwxgmac2_core.c b/drivers/net/ethernet/stmicro/stmmac/dwxgmac2_core.c index f8e7775bb633..6a987cf598e4 100644 --- a/drivers/net/ethernet/stmicro/stmmac/dwxgmac2_core.c +++ b/drivers/net/ethernet/stmicro/stmmac/dwxgmac2_core.c @@ -1554,9 +1554,6 @@ const struct st...
a79d8fe2ff8e78e549dc86cc853a61b029404871
Analyze and fix the following issue in the Linux kernel code: ipv6: sr: restruct ifdefines
Problem Details: There are too many ifdef in IPv6 segment routing code that may cause logic problems. like commit 160e9d275218 ("ipv6: sr: fix invalid unregister error path"). To avoid this, the init functions are redefined for both cases. The code could be more clear after all fidefs are removed. Suggested-by: Simon ...
```diff diff --git a/include/net/seg6.h b/include/net/seg6.h index af668f17b398..82b3fbbcbb93 100644 --- a/include/net/seg6.h +++ b/include/net/seg6.h @@ -52,10 +52,17 @@ static inline struct seg6_pernet_data *seg6_pernet(struct net *net) extern int seg6_init(void); extern void seg6_exit(void); +#ifdef CONFIG_IPV6_...
3eb76e71b16e8ba5277bf97617aef51f5e64dbe4
Analyze and fix the following issue in the Linux kernel code: ionic: fix potential irq name truncation
Problem Details: Address a warning about potential string truncation based on the string buffer sizes. We can add some hints to the string format specifier to set limits on the resulting possible string to squelch the complaints. Signed-off-by: Shannon Nelson <shannon.nelson@amd.com> Link: https://lore.kernel.org/r/2...
```diff diff --git a/drivers/net/ethernet/pensando/ionic/ionic_lif.c b/drivers/net/ethernet/pensando/ionic/ionic_lif.c index 24870da3f484..12fda3b860b9 100644 --- a/drivers/net/ethernet/pensando/ionic/ionic_lif.c +++ b/drivers/net/ethernet/pensando/ionic/ionic_lif.c @@ -242,7 +242,7 @@ static int ionic_request_irq(stru...
2fc39848952dfb91a9233563cc1444669b8e79c3
Analyze and fix the following issue in the Linux kernel code: scsi: ufs: mcq: Fix missing argument 'hba' in MCQ_OPR_OFFSET_n
Problem Details: The MCQ_OPR_OFFSET_n macro takes 'hba' in the caller context without receiving 'hba' instance as an argument. To prevent potential bugs in future use cases, add an argument 'hba'. Fixes: 2468da61ea09 ("scsi: ufs: core: mcq: Configure operation and runtime interface") Cc: Asutosh Das <quic_asutoshd@qu...
```diff diff --git a/drivers/ufs/core/ufs-mcq.c b/drivers/ufs/core/ufs-mcq.c index 005d63ab1f44..3dc34fa2a81d 100644 --- a/drivers/ufs/core/ufs-mcq.c +++ b/drivers/ufs/core/ufs-mcq.c @@ -231,8 +231,6 @@ int ufshcd_mcq_memory_alloc(struct ufs_hba *hba) /* Operation and runtime registers configuration */ #define MCQ_...
e3bbb994a7e0ead1e028c5a8ec5f8526b4a9c5c9
Analyze and fix the following issue in the Linux kernel code: hns3: avoid linking objects into multiple modules
Problem Details: Each object file contains information about which module it gets linked into, so linking the same file into multiple modules now causes a warning: scripts/Makefile.build:254: drivers/net/ethernet/hisilicon/hns3/Makefile: hns3_common/hclge_comm_cmd.o is added to multiple modules: hclge hclgevf scripts/...
```diff diff --git a/drivers/net/ethernet/hisilicon/hns3/Makefile b/drivers/net/ethernet/hisilicon/hns3/Makefile index 8e9293e57bfd..e8af26da1fc1 100644 --- a/drivers/net/ethernet/hisilicon/hns3/Makefile +++ b/drivers/net/ethernet/hisilicon/hns3/Makefile @@ -15,15 +15,14 @@ hns3-objs = hns3_enet.o hns3_ethtool.o hns3_d...
e7985f43609c782132f8f5794ee6cc4cdb66ca75
Analyze and fix the following issue in the Linux kernel code: of: property: Fix fw_devlink handling of interrupt-map
Problem Details: Commit d976c6f4b32c ("of: property: Add fw_devlink support for interrupt-map property") tried to do what it says on the tin, but failed on a couple of points: - it confuses bytes and cells. Not a huge deal, except when it comes to pointer arithmetic - it doesn't really handle anything but interrupt...
```diff diff --git a/drivers/of/property.c b/drivers/of/property.c index 1c83e68f805b..164d77cb9445 100644 --- a/drivers/of/property.c +++ b/drivers/of/property.c @@ -1306,10 +1306,10 @@ static struct device_node *parse_interrupts(struct device_node *np, static struct device_node *parse_interrupt_map(struct device_nod...
935df1bd40d43c4ee91838c42a20e9af751885cc
Analyze and fix the following issue in the Linux kernel code: of/irq: Factor out parsing of interrupt-map parent phandle+args from of_irq_parse_raw()
Problem Details: Factor out the parsing of interrupt-map interrupt parent phandle and its arg cells to a separate function, of_irq_parse_imap_parent(), so that it can be used in other parsing scenarios (e.g. fw_devlink). There was a refcount leak on non-matching entries when iterating thru "interrupt-map" which is fix...
```diff diff --git a/drivers/of/irq.c b/drivers/of/irq.c index 174900072c18..462375b293e4 100644 --- a/drivers/of/irq.c +++ b/drivers/of/irq.c @@ -25,6 +25,8 @@ #include <linux/string.h> #include <linux/slab.h> +#include "of_private.h" + /** * irq_of_parse_and_map - Parse and map an interrupt into linux virq spa...
d53b681ce9ca7db5ef4ecb8d2cf465ae4a031264
Analyze and fix the following issue in the Linux kernel code: scsi: ufs: mcq: Fix error output and clean up ufshcd_mcq_abort()
Problem Details: An error unrelated to ufshcd_try_to_abort_task is being logged and can cause confusion. Modify ufshcd_mcq_abort() to print the result of the abort failure. For readability, return immediately instead of 'goto'. Fixes: f1304d442077 ("scsi: ufs: mcq: Added ufshcd_mcq_abort()") Signed-off-by: Chanwoo Lee...
```diff diff --git a/drivers/ufs/core/ufs-mcq.c b/drivers/ufs/core/ufs-mcq.c index 005d63ab1f44..8944548c30fa 100644 --- a/drivers/ufs/core/ufs-mcq.c +++ b/drivers/ufs/core/ufs-mcq.c @@ -634,20 +634,20 @@ int ufshcd_mcq_abort(struct scsi_cmnd *cmd) struct ufshcd_lrb *lrbp = &hba->lrb[tag]; struct ufs_hw_queue *hwq;...
c4e3267868e1debb3d87d21a36efc8a2255298e2
Analyze and fix the following issue in the Linux kernel code: drm/ci: validate drm/msm XML register files against schema
Problem Details: In order to validate drm/msm register definition files against schema, reuse the nodebugfs build step. The validation entry is guarded by the EXPERT Kconfig option and we don't want to enable that option for all the builds. Reviewed-by: Abhinav Kumar <quic_abhinavk@quicinc.com> Acked-by: Helen Koike <...
```diff diff --git a/drivers/gpu/drm/ci/build.sh b/drivers/gpu/drm/ci/build.sh index 106f2d40d222..28a495c0c39c 100644 --- a/drivers/gpu/drm/ci/build.sh +++ b/drivers/gpu/drm/ci/build.sh @@ -12,6 +12,9 @@ rm -rf .git/rebase-apply apt-get update apt-get install -y libssl-dev +# for msm header validation +apt-get ins...
d4641fa67d3dcc24d108cbfc4e47d0312ef49947
Analyze and fix the following issue in the Linux kernel code: scftorture: Make torture_type static
Problem Details: Fix the 'make C=1' warning: kernel/scftorture.c:71:6: warning: symbol 'torture_type' was not declared. Should it be static? Signed-off-by: Jeff Johnson <quic_jjohnson@quicinc.com> Signed-off-by: Paul E. McKenney <paulmck@kernel.org>
```diff diff --git a/kernel/scftorture.c b/kernel/scftorture.c index c20c6eb8389d..44e83a646264 100644 --- a/kernel/scftorture.c +++ b/kernel/scftorture.c @@ -68,7 +68,7 @@ torture_param(int, weight_many_wait, -1, "Testing weight for multi-CPU operation torture_param(int, weight_all, -1, "Testing weight for all-CPU no...
d68dc77372ba220f25b11d8e09a34558883fbbfb
Analyze and fix the following issue in the Linux kernel code: scftorture: Add MODULE_DESCRIPTION()
Problem Details: Fix the 'make W=1' warning: WARNING: modpost: missing MODULE_DESCRIPTION() in kernel/scftorture.o Signed-off-by: Jeff Johnson <quic_jjohnson@quicinc.com> Signed-off-by: Paul E. McKenney <paulmck@kernel.org>
```diff diff --git a/kernel/scftorture.c b/kernel/scftorture.c index 59032aaccd18..c20c6eb8389d 100644 --- a/kernel/scftorture.c +++ b/kernel/scftorture.c @@ -43,6 +43,7 @@ #define SCFTORTOUT_ERRSTRING(s, x...) pr_alert(SCFTORT_FLAG "!!! " s "\n", ## x) +MODULE_DESCRIPTION("Torture tests on the smp_call_function()...
6a081bac38a8a6811fd459ab475fe77efebaf009
Analyze and fix the following issue in the Linux kernel code: locktorture: Add MODULE_DESCRIPTION()
Problem Details: Fix the 'make W=1' warning: WARNING: modpost: missing MODULE_DESCRIPTION() in kernel/locking/locktorture.o Signed-off-by: Jeff Johnson <quic_jjohnson@quicinc.com> Signed-off-by: Paul E. McKenney <paulmck@kernel.org>
```diff diff --git a/kernel/locking/locktorture.c b/kernel/locking/locktorture.c index 415d81e6ce70..de95ec07e477 100644 --- a/kernel/locking/locktorture.c +++ b/kernel/locking/locktorture.c @@ -30,6 +30,7 @@ #include <linux/torture.h> #include <linux/reboot.h> +MODULE_DESCRIPTION("torture test facility for locking...
a8469dc6917d9c40c77e1669394b13166314ac5c
Analyze and fix the following issue in the Linux kernel code: torture: Add MODULE_DESCRIPTION()
Problem Details: Fix the 'make W=1' warning: WARNING: modpost: missing MODULE_DESCRIPTION() in kernel/torture.o Signed-off-by: Jeff Johnson <quic_jjohnson@quicinc.com> Signed-off-by: Paul E. McKenney <paulmck@kernel.org>
```diff diff --git a/kernel/torture.c b/kernel/torture.c index c72ab2d251f4..dede150aef01 100644 --- a/kernel/torture.c +++ b/kernel/torture.c @@ -40,6 +40,7 @@ #include <linux/sched/rt.h> #include "rcu/rcu.h" +MODULE_DESCRIPTION("Common functions for in-kernel torture tests"); MODULE_LICENSE("GPL"); MODULE_AUTHO...
2d3789e325e6aa91d228aa461c152d8e8f107bc4
Analyze and fix the following issue in the Linux kernel code: drm/xe: Split MCR initialization
Problem Details: The initialization order of GT topology, MCR, PAT and GuC HWconfig as done today by native/PF driver, can't be followed as-is by the VF driver, since fuse registers used in GT topology discovery will be obtained by the VF driver from the GuC in HWconfig step. While native/PF drivers need to program th...
```diff diff --git a/drivers/gpu/drm/xe/xe_gt.c b/drivers/gpu/drm/xe/xe_gt.c index 0a1e04fe2690..4e11662b78bd 100644 --- a/drivers/gpu/drm/xe/xe_gt.c +++ b/drivers/gpu/drm/xe/xe_gt.c @@ -504,8 +504,7 @@ int xe_gt_init_hwconfig(struct xe_gt *gt) if (err) goto out; - xe_gt_topology_init(gt); - xe_gt_mcr_init(gt); ...
8c52ca22b15b5b3ce62b3e2a9ec9f3fbb6302783
Analyze and fix the following issue in the Linux kernel code: drm/xe: Drop xe_ prefix from static functions in xe_mmio.c
Problem Details: Rename static functions to align with our typical coding style. While at it, downgrade the existing kernel-doc for internal function to normal comment. Suggested-by: Matt Roper <matthew.d.roper@intel.com> Signed-off-by: Michal Wajdeczko <michal.wajdeczko@intel.com> Cc: Lucas De Marchi <lucas.demarchi@...
```diff diff --git a/drivers/gpu/drm/xe/xe_mmio.c b/drivers/gpu/drm/xe/xe_mmio.c index 1272246dd8a3..6e57632b44a1 100644 --- a/drivers/gpu/drm/xe/xe_mmio.c +++ b/drivers/gpu/drm/xe/xe_mmio.c @@ -55,7 +55,7 @@ _resize_bar(struct xe_device *xe, int resno, resource_size_t size) * if force_vram_bar_size is set, attempt t...
38a94c46660f5612c6ef37ec9754ec1543b038cd
Analyze and fix the following issue in the Linux kernel code: riscv: smp: fail booting up smp if inconsistent vlen is detected
Problem Details: Currently we only support Vector for SMP platforms, that is, all SMP cores have the same vlenb. If we happen to detect a mismatching vlen, it is better to just fail bootting it up to prevent further race/scheduling issues. Also, move .Lsecondary_park forward and chage `tail smp_callin` into a regular ...
```diff diff --git a/arch/riscv/kernel/head.S b/arch/riscv/kernel/head.S index 4236a69c35cb..a00f7523cb91 100644 --- a/arch/riscv/kernel/head.S +++ b/arch/riscv/kernel/head.S @@ -165,9 +165,20 @@ secondary_start_sbi: #endif call .Lsetup_trap_vector scs_load_current - tail smp_callin + call smp_callin #endif /* CO...
29459c3eaa5c6261fbe0dea7bdeb9b48d35d862a
Analyze and fix the following issue in the Linux kernel code: block: Fix zone write plugging handling of devices with a runt zone
Problem Details: A zoned device may have a last sequential write required zone that is smaller than other zones. However, all tests to check if a zone write plug write offset exceeds the zone capacity use the same capacity value stored in the gendisk zone_capacity field. This is incorrect for a zoned device with a last...
```diff diff --git a/block/blk-zoned.c b/block/blk-zoned.c index 402a50a1ac4d..52abebf56027 100644 --- a/block/blk-zoned.c +++ b/block/blk-zoned.c @@ -455,6 +455,20 @@ static bool disk_zone_is_last(struct gendisk *disk, struct blk_zone *zone) return zone->start + zone->len >= get_capacity(disk); } +static bool dis...
cd6399936869b4a042dd1270078cbf2bb871a407
Analyze and fix the following issue in the Linux kernel code: block: Fix validation of zoned device with a runt zone
Problem Details: Commit ecfe43b11b02 ("block: Remember zone capacity when revalidating zones") introduced checks to ensure that the capacity of the zones of a zoned device is constant for all zones. However, this check ignores the possibility that a zoned device has a smaller last zone with a size not equal to the capa...
```diff diff --git a/block/blk-zoned.c b/block/blk-zoned.c index 03aa4eead39e..402a50a1ac4d 100644 --- a/block/blk-zoned.c +++ b/block/blk-zoned.c @@ -450,6 +450,11 @@ static inline bool disk_zone_is_conv(struct gendisk *disk, sector_t sector) return test_bit(disk_zone_no(disk, sector), disk->conv_zones_bitmap); } ...
1c4324793e9bfb5a29c02844023c8ad412fa0467
Analyze and fix the following issue in the Linux kernel code: Revert "drm/xe: make gt_remove use devm"
Problem Details: This reverts commit cd506a33b0d9759e0a58556799b1b38650fa3698. The gt_remove function was explicitly added as part of the remove flow instead of using drmm/devm automatic cleanup due to it being illegal to remove a component after the driver has been detached from the pci device; the GSC proxy componen...
```diff diff --git a/drivers/gpu/drm/xe/xe_device.c b/drivers/gpu/drm/xe/xe_device.c index d1560f5d4b84..f0a2604bf62a 100644 --- a/drivers/gpu/drm/xe/xe_device.c +++ b/drivers/gpu/drm/xe/xe_device.c @@ -544,6 +544,7 @@ int xe_device_probe(struct xe_device *xe) struct xe_tile *tile; struct xe_gt *gt; int err; + u8...
99bc9f2eb3f79a2b4296d9bf43153e1d10ca50d3
Analyze and fix the following issue in the Linux kernel code: NFS: add barriers when testing for NFS_FSDATA_BLOCKED
Problem Details: dentry->d_fsdata is set to NFS_FSDATA_BLOCKED while unlinking or renaming-over a file to ensure that no open succeeds while the NFS operation progressed on the server. Setting dentry->d_fsdata to NFS_FSDATA_BLOCKED is done under ->d_lock after checking the refcount is not elevated. Any attempt to ope...
```diff diff --git a/fs/nfs/dir.c b/fs/nfs/dir.c index 2b68a14982c8..07a7be27182e 100644 --- a/fs/nfs/dir.c +++ b/fs/nfs/dir.c @@ -1803,9 +1803,10 @@ __nfs_lookup_revalidate(struct dentry *dentry, unsigned int flags, if (parent != READ_ONCE(dentry->d_parent)) return -ECHILD; } else { - /* Wait for unlink to c...
33c94d7e3cb84f6d130678d6d59ba475a6c489cf
Analyze and fix the following issue in the Linux kernel code: SUNRPC: return proper error from gss_wrap_req_priv
Problem Details: don't return 0 if snd_buf->len really greater than snd_buf->buflen Signed-off-by: Chen Hanxiao <chenhx.fnst@fujitsu.com> Fixes: 0c77668ddb4e ("SUNRPC: Introduce trace points in rpc_auth_gss.ko") Reviewed-by: Benjamin Coddington <bcodding@redhat.com> Reviewed-by: Chuck Lever <chuck.lever@oracle.com> Si...
```diff diff --git a/net/sunrpc/auth_gss/auth_gss.c b/net/sunrpc/auth_gss/auth_gss.c index c7af0220f82f..369310909fc9 100644 --- a/net/sunrpc/auth_gss/auth_gss.c +++ b/net/sunrpc/auth_gss/auth_gss.c @@ -1875,8 +1875,10 @@ gss_wrap_req_priv(struct rpc_cred *cred, struct gss_cl_ctx *ctx, offset = (u8 *)p - (u8 *)snd_bu...
28568c906c1bb5f7560e18082ed7d6295860f1c2
Analyze and fix the following issue in the Linux kernel code: NFSv4.1 enforce rootpath check in fs_location query
Problem Details: In commit 4ca9f31a2be66 ("NFSv4.1 test and add 4.1 trunking transport"), we introduce the ability to query the NFS server for possible trunking locations of the existing filesystem. However, we never checked the returned file system path for these alternative locations. According to the RFC, the server...
```diff diff --git a/fs/nfs/nfs4proc.c b/fs/nfs/nfs4proc.c index 94c07875aa3f..a691fa10b3e9 100644 --- a/fs/nfs/nfs4proc.c +++ b/fs/nfs/nfs4proc.c @@ -4023,6 +4023,23 @@ static void test_fs_location_for_trunking(struct nfs4_fs_location *location, } } +static bool _is_same_nfs4_pathname(struct nfs4_pathname *path1,...
296f4ce81d08e73c22408c49f4938a85bd075e5c
Analyze and fix the following issue in the Linux kernel code: NFS: abort nfs_atomic_open_v23 if name is too long.
Problem Details: An attempt to open a file with a name longer than NFS3_MAXNAMLEN will trigger a WARN_ON_ONCE in encode_filename3() because nfs_atomic_open_v23() doesn't have the test on ->d_name.len that nfs_atomic_open() has. So add that test. Reported-by: James Clark <james.clark@arm.com> Closes: https://lore.kern...
```diff diff --git a/fs/nfs/dir.c b/fs/nfs/dir.c index 788077a4feb9..2b68a14982c8 100644 --- a/fs/nfs/dir.c +++ b/fs/nfs/dir.c @@ -2254,6 +2254,9 @@ int nfs_atomic_open_v23(struct inode *dir, struct dentry *dentry, */ int error = 0; + if (dentry->d_name.len > NFS_SERVER(dir)->namelen) + return -ENAMETOOLONG; + ...
18414a4a2eabb0281d12d374c92874327e0e3fe3
Analyze and fix the following issue in the Linux kernel code: io_uring/net: assign kmsg inq/flags before buffer selection
Problem Details: syzbot reports that recv is using an uninitialized value: ===================================================== BUG: KMSAN: uninit-value in io_req_cqe_overflow io_uring/io_uring.c:810 [inline] BUG: KMSAN: uninit-value in io_req_complete_post io_uring/io_uring.c:937 [inline] BUG: KMSAN: uninit-value in...
```diff diff --git a/io_uring/net.c b/io_uring/net.c index 0a48596429d9..7c98c4d50946 100644 --- a/io_uring/net.c +++ b/io_uring/net.c @@ -1127,6 +1127,9 @@ int io_recv(struct io_kiocb *req, unsigned int issue_flags) flags |= MSG_DONTWAIT; retry_multishot: + kmsg->msg.msg_inq = -1; + kmsg->msg.msg_flags = 0; + ...
b80103a2dfe6a9fcc2ea037e9f26c72eae24252c
Analyze and fix the following issue in the Linux kernel code: docs: handling-regressions.rst: recommend using "Closes:" tags
Problem Details: Update the handling-regressions guide to recommend using "Closes:" tags rather than "Link:" when referencing fixed reports. The latter was used originally but now is only recommended when the given patch only fixes part of the issue, as described in submitting-patches. Briefly mention that and also not...
```diff diff --git a/Documentation/process/handling-regressions.rst b/Documentation/process/handling-regressions.rst index 49ba1410cfce..1f5ab49c48a4 100644 --- a/Documentation/process/handling-regressions.rst +++ b/Documentation/process/handling-regressions.rst @@ -40,10 +40,13 @@ The important bits (aka "The TL;DR") ...
cb708ab9f584f159798b60853edcf0c8b67ce295
Analyze and fix the following issue in the Linux kernel code: selftests/futex: pass _GNU_SOURCE without a value to the compiler
Problem Details: It's slightly better to set _GNU_SOURCE in the source code, but if one must do it via the compiler invocation, then the best way to do so is this: $(CC) -D_GNU_SOURCE= ...because otherwise, if this form is used: $(CC) -D_GNU_SOURCE ...then that leads the compiler to set a value, as if you h...
```diff diff --git a/tools/testing/selftests/futex/functional/Makefile b/tools/testing/selftests/futex/functional/Makefile index a392d0917b4e..994fa3468f17 100644 --- a/tools/testing/selftests/futex/functional/Makefile +++ b/tools/testing/selftests/futex/functional/Makefile @@ -1,6 +1,6 @@ # SPDX-License-Identifier: G...
9bbfab1c7cf7801e50b131ccf04af8d32b01dcec
Analyze and fix the following issue in the Linux kernel code: drm/xe: replace format-less snprintf() with strscpy()
Problem Details: Using snprintf() with a format string from task->comm is a bit dangerous since the string may be controlled by unprivileged userspace: drivers/gpu/drm/xe/xe_devcoredump.c: In function 'devcoredump_snapshot': drivers/gpu/drm/xe/xe_devcoredump.c:184:9: error: format not a string literal and no format ar...
```diff diff --git a/drivers/gpu/drm/xe/xe_devcoredump.c b/drivers/gpu/drm/xe/xe_devcoredump.c index 1643d44f8bc4..1973bfaece40 100644 --- a/drivers/gpu/drm/xe/xe_devcoredump.c +++ b/drivers/gpu/drm/xe/xe_devcoredump.c @@ -181,7 +181,7 @@ static void devcoredump_snapshot(struct xe_devcoredump *coredump, if (task) ...
bb195358806847217efba98de62b7decec3b371f
Analyze and fix the following issue in the Linux kernel code: drm/msm: remove python 3.9 dependency for compiling msm
Problem Details: Since commit 5acf49119630 ("drm/msm: import gen_header.py script from Mesa"), compilation is broken on machines having python versions older than 3.9 due to dependency on argparse.BooleanOptionalAction. Switch to use simple bool for the validate flag to remove the dependency. Fixes: 5acf49119630 ("dr...
```diff diff --git a/drivers/gpu/drm/msm/registers/gen_header.py b/drivers/gpu/drm/msm/registers/gen_header.py index fc3bfdc991d2..3926485bb197 100644 --- a/drivers/gpu/drm/msm/registers/gen_header.py +++ b/drivers/gpu/drm/msm/registers/gen_header.py @@ -538,7 +538,7 @@ class Parser(object): self.variants.add(reg.do...
1d84afaf02524d2558e8ca3ca169be2ef720380b
Analyze and fix the following issue in the Linux kernel code: riscv: Fix fully ordered LR/SC xchg[8|16]() implementations
Problem Details: The fully ordered versions of xchg[8|16]() using LR/SC lack the necessary memory barriers to guarantee the order. Fix this by matching what is already implemented in the fully ordered versions of cmpxchg() using LR/SC. Suggested-by: Andrea Parri <parri.andrea@gmail.com> Reported-by: Andrea Parri <par...
```diff diff --git a/arch/riscv/include/asm/cmpxchg.h b/arch/riscv/include/asm/cmpxchg.h index ddb002ed89de..808b4c78462e 100644 --- a/arch/riscv/include/asm/cmpxchg.h +++ b/arch/riscv/include/asm/cmpxchg.h @@ -10,7 +10,7 @@ #include <asm/fence.h> -#define __arch_xchg_masked(prepend, append, r, p, n) \ +#define ...
982a7eb97be685d1129c06671aed4c26d6919af4
Analyze and fix the following issue in the Linux kernel code: Documentation: RISC-V: uabi: Only scalar misaligned loads are supported
Problem Details: We're stuck supporting scalar misaligned loads in userspace because they were part of the ISA at the time we froze the uABI. That wasn't the case for vector misaligned accesses, so depending on them unconditionally is a userspace bug. All extant vector hardware traps on these misaligned accesses. Re...
```diff diff --git a/Documentation/arch/riscv/uabi.rst b/Documentation/arch/riscv/uabi.rst index 54d199dce78b..2b420bab0527 100644 --- a/Documentation/arch/riscv/uabi.rst +++ b/Documentation/arch/riscv/uabi.rst @@ -65,4 +65,6 @@ the extension, or may have deliberately removed it from the listing. Misaligned accesses ...
7bed51617401dab2be930b13ed5aacf581f7c8ef
Analyze and fix the following issue in the Linux kernel code: riscv: enable HAVE_ARCH_HUGE_VMAP for XIP kernel
Problem Details: HAVE_ARCH_HUGE_VMAP also works on XIP kernel, so remove its dependency on !XIP_KERNEL. This also fixes a boot problem for XIP kernel introduced by the commit in "Fixes:". This commit used huge page mapping for vmemmap, but huge page vmap was not enabled for XIP kernel. Fixes: ff172d4818ad ("riscv: Us...
```diff diff --git a/arch/riscv/Kconfig b/arch/riscv/Kconfig index b94176e25be1..0525ee2d63c7 100644 --- a/arch/riscv/Kconfig +++ b/arch/riscv/Kconfig @@ -106,7 +106,7 @@ config RISCV select HAS_IOPORT if MMU select HAVE_ARCH_AUDITSYSCALL select HAVE_ARCH_HUGE_VMALLOC if HAVE_ARCH_HUGE_VMAP - select HAVE_ARCH_HUG...
a638b0461b58aa3205cd9d5f14d6f703d795b4af
Analyze and fix the following issue in the Linux kernel code: riscv: prevent pt_regs corruption for secondary idle threads
Problem Details: Top of the kernel thread stack should be reserved for pt_regs. However this is not the case for the idle threads of the secondary boot harts. Their stacks overlap with their pt_regs, so both may get corrupted. Similar issue has been fixed for the primary hart, see c7cdd96eca28 ("riscv: prevent stack c...
```diff diff --git a/arch/riscv/kernel/cpu_ops_sbi.c b/arch/riscv/kernel/cpu_ops_sbi.c index 1cc7df740edd..e6fbaaf54956 100644 --- a/arch/riscv/kernel/cpu_ops_sbi.c +++ b/arch/riscv/kernel/cpu_ops_sbi.c @@ -72,7 +72,7 @@ static int sbi_cpu_start(unsigned int cpuid, struct task_struct *tidle) /* Make sure tidle is upd...
47eb2d68d10208e6a9e89d10b66018e8d6ca0623
Analyze and fix the following issue in the Linux kernel code: KVM: arm64: nv: Expose BTI and CSV_frac to a guest hypervisor
Problem Details: Now that we expose PAC to NV guests, we can also expose BTI (as the two as joined at the hip, due to some of the PAC instructions being landing pads). While we're at it, also propagate CSV_frac, which requires no particular emulation. Fixes: f4f6a95bac49 ("KVM: arm64: nv: Advertise support for PAuth"...
```diff diff --git a/arch/arm64/kvm/nested.c b/arch/arm64/kvm/nested.c index 6813c7c7f00a..bae8536cbf00 100644 --- a/arch/arm64/kvm/nested.c +++ b/arch/arm64/kvm/nested.c @@ -58,8 +58,10 @@ static u64 limit_nv_id_reg(u32 id, u64 val) break; case SYS_ID_AA64PFR1_EL1: - /* Only support SSBS */ - val &= NV_FTR(PF...
41011e2de3480f9adb6420b35b67628b2d903355
Analyze and fix the following issue in the Linux kernel code: KVM: arm64: nv: Fix relative priorities of exceptions generated by ERETAx
Problem Details: ERETAx can fail in multiple ways: (1) ELR_EL2 points lalaland (2) we get a PAC failure (3) SPSR_EL2 has the wrong mode (1) is easy, as we just let the CPU do its thing and deliver an Instruction Abort. However, (2) and (3) are interesting, because the PAC failure priority is way below that of the Ill...
```diff diff --git a/arch/arm64/kvm/emulate-nested.c b/arch/arm64/kvm/emulate-nested.c index 72d733c74a38..54090967a335 100644 --- a/arch/arm64/kvm/emulate-nested.c +++ b/arch/arm64/kvm/emulate-nested.c @@ -2181,16 +2181,23 @@ void kvm_emulate_nested_eret(struct kvm_vcpu *vcpu) if (forward_traps(vcpu, HCR_NV)) ret...
32cdf4c75fdd135e66e11383aa84687873b77b89
Analyze and fix the following issue in the Linux kernel code: arm64: dts: n5x: socdk: drop unneeded flash address/size-cells
Problem Details: Flash node uses single "partition" node to describe partitions, so remove deprecated address/size-cells properties to also fix dtc W=1 warnings: socfpga_n5x_socdk.dts:85.10-114.4: Warning (avoid_unnecessary_addr_size): /soc@0/spi@ff8d2000/flash@0: unnecessary #address-cells/#size-cells without "rang...
```diff diff --git a/arch/arm64/boot/dts/intel/socfpga_n5x_socdk.dts b/arch/arm64/boot/dts/intel/socfpga_n5x_socdk.dts index 2d70a92c2090..7952c7f47cc2 100644 --- a/arch/arm64/boot/dts/intel/socfpga_n5x_socdk.dts +++ b/arch/arm64/boot/dts/intel/socfpga_n5x_socdk.dts @@ -83,8 +83,6 @@ &qspi { status = "okay"; flash...
41f7adb676f6c4aef439d78b15c7e1119216bc2b
Analyze and fix the following issue in the Linux kernel code: arm64: dts: agilex: socdk: drop unneeded flash address/size-cells
Problem Details: Flash node uses single "partition" node to describe partitions, so remove deprecated address/size-cells properties to also fix dtc W=1 warnings: socfpga_agilex_socdk.dts:108.10-137.4: Warning (avoid_unnecessary_addr_size): /soc@0/spi@ff8d2000/flash@0: unnecessary #address-cells/#size-cells without "...
```diff diff --git a/arch/arm64/boot/dts/intel/socfpga_agilex_socdk.dts b/arch/arm64/boot/dts/intel/socfpga_agilex_socdk.dts index ad99aefeb185..b31cfa6b802d 100644 --- a/arch/arm64/boot/dts/intel/socfpga_agilex_socdk.dts +++ b/arch/arm64/boot/dts/intel/socfpga_agilex_socdk.dts @@ -106,8 +106,6 @@ &qspi { status = "...
7f787253bca4fedfa97bfa087b8d3ae0105559de
Analyze and fix the following issue in the Linux kernel code: arm64: dts: stratix10: socdk_nand: drop unneeded flash address/size-cells
Problem Details: Flash node uses single "partition" node to describe partitions, so remove deprecated address/size-cells properties to also fix dtc W=1 warnings: socfpga_stratix10_socdk_nand.dts:171.10-200.4: Warning (avoid_unnecessary_addr_size): /soc@0/spi@ff8d2000/flash@0: unnecessary #address-cells/#size-cells w...
```diff diff --git a/arch/arm64/boot/dts/altera/socfpga_stratix10_socdk_nand.dts b/arch/arm64/boot/dts/altera/socfpga_stratix10_socdk_nand.dts index 81d0e914a77c..7c53cb9621e5 100644 --- a/arch/arm64/boot/dts/altera/socfpga_stratix10_socdk_nand.dts +++ b/arch/arm64/boot/dts/altera/socfpga_stratix10_socdk_nand.dts @@ -1...
718a2bb5fe7b2d67d887313f16f93cab5c43ab55
Analyze and fix the following issue in the Linux kernel code: arm64: dts: stratix10: socdk: drop unneeded flash address/size-cells
Problem Details: Flash node uses single "partition" node to describe partitions, so remove deprecated address/size-cells properties to also fix dtc W=1 warnings: socfpga_stratix10_socdk.dts:182.10-211.4: Warning (avoid_unnecessary_addr_size): /soc@0/spi@ff8d2000/flash@0: unnecessary #address-cells/#size-cells withou...
```diff diff --git a/arch/arm64/boot/dts/altera/socfpga_stratix10_socdk.dts b/arch/arm64/boot/dts/altera/socfpga_stratix10_socdk.dts index 26173f0b0051..4eee777ef1a1 100644 --- a/arch/arm64/boot/dts/altera/socfpga_stratix10_socdk.dts +++ b/arch/arm64/boot/dts/altera/socfpga_stratix10_socdk.dts @@ -180,8 +180,6 @@ &qsp...
52a2c70c3ec555e670a34dd1ab958986451d2dd2
Analyze and fix the following issue in the Linux kernel code: hwmon: (shtc1) Fix property misspelling
Problem Details: The property name is "sensirion,low-precision", not "sensicon,low-precision". Cc: Chris Ruehl <chris.ruehl@gtsys.com.hk> Fixes: be7373b60df5 ("hwmon: shtc1: add support for device tree bindings") Signed-off-by: Guenter Roeck <linux@roeck-us.net>
```diff diff --git a/drivers/hwmon/shtc1.c b/drivers/hwmon/shtc1.c index 1f96e94967ee..439dd3dba5fc 100644 --- a/drivers/hwmon/shtc1.c +++ b/drivers/hwmon/shtc1.c @@ -238,7 +238,7 @@ static int shtc1_probe(struct i2c_client *client) if (np) { data->setup.blocking_io = of_property_read_bool(np, "sensirion,blockin...
027a44fedd55fbdf1d45603894634acd960ad04b
Analyze and fix the following issue in the Linux kernel code: hwmon: (intel-m10-bmc-hwmon) Fix multiplier for N6000 board power sensor
Problem Details: The Intel N6000 BMC outputs the board power value in milliwatt, whereas the hwmon sysfs interface must provide power values in microwatt. Fixes: e1983220ae14 ("hwmon: intel-m10-bmc-hwmon: Add N6000 sensors") Signed-off-by: Peter Colberg <peter.colberg@intel.com> Reviewed-by: Matthew Gerlach <matthew.g...
```diff diff --git a/drivers/hwmon/intel-m10-bmc-hwmon.c b/drivers/hwmon/intel-m10-bmc-hwmon.c index 6500ca548f9c..ca2dff158925 100644 --- a/drivers/hwmon/intel-m10-bmc-hwmon.c +++ b/drivers/hwmon/intel-m10-bmc-hwmon.c @@ -429,7 +429,7 @@ static const struct m10bmc_sdata n6000bmc_curr_tbl[] = { }; static const stru...
3d60041543189438cd1b03a1fa40ff6681c77970
Analyze and fix the following issue in the Linux kernel code: wifi: ath12k: fix memory leak in ath12k_dp_rx_peer_frag_setup()
Problem Details: Currently the resource allocated by crypto_alloc_shash() is not freed in case ath12k_peer_find() fails, resulting in memory leak. Add crypto_free_shash() to fix it. This is found during code review, compile tested only. Signed-off-by: Baochen Qiang <quic_bqiang@quicinc.com> Acked-by: Jeff Johnson <q...
```diff diff --git a/drivers/net/wireless/ath/ath12k/dp_rx.c b/drivers/net/wireless/ath/ath12k/dp_rx.c index a52b7b273540..cb1f308f096b 100644 --- a/drivers/net/wireless/ath/ath12k/dp_rx.c +++ b/drivers/net/wireless/ath/ath12k/dp_rx.c @@ -2742,6 +2742,7 @@ int ath12k_dp_rx_peer_frag_setup(struct ath12k *ar, const u8 *p...
2a38e4ca302280fdcce370ba2bee79bac16c4587
Analyze and fix the following issue in the Linux kernel code: x86/cpu: Provide default cache line size if not enumerated
Problem Details: tl;dr: CPUs with CPUID.80000008H but without CPUID.01H:EDX[CLFSH] will end up reporting cache_line_size()==0 and bad things happen. Fill in a default on those to avoid the problem. Long Story: The kernel dies a horrible death if c->x86_cache_alignment (aka. cache_line_size() is 0. Normally, this val...
```diff diff --git a/arch/x86/kernel/cpu/common.c b/arch/x86/kernel/cpu/common.c index 2b170da84f97..e31293c9609f 100644 --- a/arch/x86/kernel/cpu/common.c +++ b/arch/x86/kernel/cpu/common.c @@ -1075,6 +1075,10 @@ void get_cpu_address_sizes(struct cpuinfo_x86 *c) c->x86_virt_bits = (eax >> 8) & 0xff; c->x86_phy...
ffb9072bce200a4d004006e8b40c366933cf517b
Analyze and fix the following issue in the Linux kernel code: media: intel/ipu6: add csi2 port sanity check in notifier bound
Problem Details: Invalid csi2 port will break the isys notifier bound ops as it is trying to access an invalid csi2 sub-device instance based on the port. It will trigger a mc warning, and it will cause the sensor driver to unbound an inexistent isys csi2 and crash. Adding a csi2 port sanity check, return error to avoi...
```diff diff --git a/drivers/media/pci/intel/ipu6/ipu6-isys.c b/drivers/media/pci/intel/ipu6/ipu6-isys.c index 1998b72ac07d..8b9b77719bb1 100644 --- a/drivers/media/pci/intel/ipu6/ipu6-isys.c +++ b/drivers/media/pci/intel/ipu6/ipu6-isys.c @@ -678,6 +678,12 @@ static int isys_notifier_bound(struct v4l2_async_notifier *n...
54880795b494e6557b47fe3cf3f21f2f54c2aa68
Analyze and fix the following issue in the Linux kernel code: media: intel/ipu6: update the maximum supported csi2 port number to 6
Problem Details: IPU6EP on Meteor Lake SoC supports maximum 6 csi2 ports instead of 4. Fixes: 25fedc021985 ("media: intel/ipu6: add Intel IPU6 PCI device driver") Signed-off-by: Bingbu Cao <bingbu.cao@intel.com> Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com> Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4a...
```diff diff --git a/drivers/media/pci/intel/ipu6/ipu6.c b/drivers/media/pci/intel/ipu6/ipu6.c index f587f609259d..bbd646378ab3 100644 --- a/drivers/media/pci/intel/ipu6/ipu6.c +++ b/drivers/media/pci/intel/ipu6/ipu6.c @@ -285,7 +285,7 @@ EXPORT_SYMBOL_NS_GPL(ipu6_configure_spc, INTEL_IPU6); #define IPU6_ISYS_CSI2_NPO...
cc864821c7e8b921ebbfb21b17c92f8b3ea3d7ff
Analyze and fix the following issue in the Linux kernel code: media: mei: csi: Warn less verbosely of a missing device fwnode
Problem Details: The check for having device fwnode was meant to be a sanity check but this also happens if the ACPI DSDT has graph port nodes on sensor device(s) but not on the IVSC device. Use a more meaningful warning message to tell about this. Fixes: 33116eb12c6b ("media: ivsc: csi: Use IPU bridge") Signed-off-by...
```diff diff --git a/drivers/media/pci/intel/ivsc/mei_csi.c b/drivers/media/pci/intel/ivsc/mei_csi.c index 53151d016188..f04a89584334 100644 --- a/drivers/media/pci/intel/ivsc/mei_csi.c +++ b/drivers/media/pci/intel/ivsc/mei_csi.c @@ -680,8 +680,10 @@ static int mei_csi_probe(struct mei_cl_device *cldev, put_device(&...
328af04b1ac279f17c09ddd5958aa6ec47131c80
Analyze and fix the following issue in the Linux kernel code: media: mei: csi: Put the IPU device reference
Problem Details: The mei csi's probe function obtains a reference to the IPU device but never puts that reference. Do that now. Fixes: 33116eb12c6b ("media: ivsc: csi: Use IPU bridge") Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com> Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
```diff diff --git a/drivers/media/pci/intel/ivsc/mei_csi.c b/drivers/media/pci/intel/ivsc/mei_csi.c index 89b582a221ab..53151d016188 100644 --- a/drivers/media/pci/intel/ivsc/mei_csi.c +++ b/drivers/media/pci/intel/ivsc/mei_csi.c @@ -677,6 +677,7 @@ static int mei_csi_probe(struct mei_cl_device *cldev, return -ENOD...
e112311615a24e1618a591c73506571dc304eb8d
Analyze and fix the following issue in the Linux kernel code: io_uring/rw: Free iovec before cleaning async data
Problem Details: kmemleak shows that there is a memory leak in io_uring read operation, where a buffer is allocated at iovec import, but never de-allocated. The memory is allocated at io_async_rw->free_iovec, but, then io_async_rw is kfreed, taking the allocated memory with it. I saw this happening when the read opera...
```diff diff --git a/io_uring/opdef.c b/io_uring/opdef.c index 2de5cca9504e..2e3b7b16effb 100644 --- a/io_uring/opdef.c +++ b/io_uring/opdef.c @@ -516,10 +516,12 @@ const struct io_cold_def io_cold_defs[] = { }, [IORING_OP_READ_FIXED] = { .name = "READ_FIXED", + .cleanup = io_readv_writev_cleanup, .fail ...
34bf6bae3286a58762711cfbce2cf74ecd42e1b5
Analyze and fix the following issue in the Linux kernel code: x86/topology/amd: Evaluate SMT in CPUID leaf 0x8000001e only on family 0x17 and greater
Problem Details: The new AMD/HYGON topology parser evaluates the SMT information in CPUID leaf 0x8000001e unconditionally while the original code restricted it to CPUs with family 0x17 and greater. This breaks family 0x15 CPUs which advertise that leaf and have a non-zero value in the SMT section. The machine boots, b...
```diff diff --git a/arch/x86/kernel/cpu/topology_amd.c b/arch/x86/kernel/cpu/topology_amd.c index d419deed6a48..7d476fa697ca 100644 --- a/arch/x86/kernel/cpu/topology_amd.c +++ b/arch/x86/kernel/cpu/topology_amd.c @@ -84,9 +84,9 @@ static bool parse_8000_001e(struct topo_scan *tscan, bool has_topoext) /* * If l...
03fa18a992d5626fd7bf3557a52e826bf8b326b3
Analyze and fix the following issue in the Linux kernel code: RDMA/rxe: Fix data copy for IB_SEND_INLINE
Problem Details: For RDMA Send and Write with IB_SEND_INLINE, the memory buffers specified in sge list will be placed inline in the Send Request. The data should be copied by CPU from the virtual addresses of corresponding sge list DMA addresses. Cc: stable@kernel.org Fixes: 8d7c7c0eeb74 ("RDMA: Add ib_virt_dma_to_pa...
```diff diff --git a/drivers/infiniband/sw/rxe/rxe_verbs.c b/drivers/infiniband/sw/rxe/rxe_verbs.c index c7d4d8ab5a09..de6238ee4379 100644 --- a/drivers/infiniband/sw/rxe/rxe_verbs.c +++ b/drivers/infiniband/sw/rxe/rxe_verbs.c @@ -812,7 +812,7 @@ static void copy_inline_data_to_wqe(struct rxe_send_wqe *wqe, int i; ...
b62c150c3bae72ac1910dcc588f360159eb0744a
Analyze and fix the following issue in the Linux kernel code: drm/panel: sitronix-st7789v: fix display size for jt240mhqs_hwt_ek_e3 panel
Problem Details: This is a portrait mode display. Change the dimensions accordingly. Fixes: 0fbbe96bfa08 ("drm/panel: sitronix-st7789v: add jasonic jt240mhqs-hwt-ek-e3 support") Signed-off-by: Gerald Loacker <gerald.loacker@wolfvision.net> Acked-by: Jessica Zhang <quic_jesszhan@quicinc.com> Link: https://lore.kernel.o...
```diff diff --git a/drivers/gpu/drm/panel/panel-sitronix-st7789v.c b/drivers/gpu/drm/panel/panel-sitronix-st7789v.c index c7e3f1280404..e8f385b9c618 100644 --- a/drivers/gpu/drm/panel/panel-sitronix-st7789v.c +++ b/drivers/gpu/drm/panel/panel-sitronix-st7789v.c @@ -289,8 +289,8 @@ static const struct drm_display_mode ...
2ba50582634d0bfe3a333ab7575a7f0122a7cde8
Analyze and fix the following issue in the Linux kernel code: drm/panel: sitronix-st7789v: tweak timing for jt240mhqs_hwt_ek_e3 panel
Problem Details: Use the default timing parameters to get a refresh rate of about 60 Hz for a clock of 6 MHz. Fixes: 0fbbe96bfa08 ("drm/panel: sitronix-st7789v: add jasonic jt240mhqs-hwt-ek-e3 support") Signed-off-by: Gerald Loacker <gerald.loacker@wolfvision.net> Acked-by: Jessica Zhang <quic_jesszhan@quicinc.com> Li...
```diff diff --git a/drivers/gpu/drm/panel/panel-sitronix-st7789v.c b/drivers/gpu/drm/panel/panel-sitronix-st7789v.c index 32e5c0348038..c7e3f1280404 100644 --- a/drivers/gpu/drm/panel/panel-sitronix-st7789v.c +++ b/drivers/gpu/drm/panel/panel-sitronix-st7789v.c @@ -282,9 +282,9 @@ static const struct drm_display_mode ...
0e5895ff7fab0fc05ec17daf9a568368828fa6ea
Analyze and fix the following issue in the Linux kernel code: drm/panel: sitronix-st7789v: fix timing for jt240mhqs_hwt_ek_e3 panel
Problem Details: Flickering was observed when using partial mode. Moving the vsync to the same position as used by the default sitronix-st7789v timing resolves this issue. Fixes: 0fbbe96bfa08 ("drm/panel: sitronix-st7789v: add jasonic jt240mhqs-hwt-ek-e3 support") Acked-by: Jessica Zhang <quic_jesszhan@quicinc.com> Si...
```diff diff --git a/drivers/gpu/drm/panel/panel-sitronix-st7789v.c b/drivers/gpu/drm/panel/panel-sitronix-st7789v.c index 88e80fe98112..32e5c0348038 100644 --- a/drivers/gpu/drm/panel/panel-sitronix-st7789v.c +++ b/drivers/gpu/drm/panel/panel-sitronix-st7789v.c @@ -286,9 +286,9 @@ static const struct drm_display_mode ...
be2fc65d66e0406cc9d39d40becaecdf4ee765f3
Analyze and fix the following issue in the Linux kernel code: powerpc: Limit ARCH_HAS_KERNEL_FPU_SUPPORT to PPC64
Problem Details: When building a 32-bit kernel, some toolchains do not allow mixing soft float and hard float object files: LD vmlinux.o powerpc64le-unknown-linux-musl-ld: lib/test_fpu_impl.o uses hard float, arch/powerpc/kernel/udbg.o uses soft float powerpc64le-unknown-linux-musl-ld: failed to merge tar...
```diff diff --git a/arch/powerpc/Kconfig b/arch/powerpc/Kconfig index 3c968f2f4ac4..c88c6d46a5bc 100644 --- a/arch/powerpc/Kconfig +++ b/arch/powerpc/Kconfig @@ -137,7 +137,7 @@ config PPC select ARCH_HAS_GCOV_PROFILE_ALL select ARCH_HAS_HUGEPD if HUGETLB_PAGE select ARCH_HAS_KCOV - select ARCH_HAS_KERNEL_FPU_...
50934945d54238d2d6d8db4b7c1d4c90d2696c57
Analyze and fix the following issue in the Linux kernel code: powerpc/uaccess: Use YZ asm constraint for ld
Problem Details: The 'ld' instruction requires a 4-byte aligned displacement because it is a DS-form instruction. But the "m" asm constraint doesn't enforce that. Add a special case of __get_user_asm2_goto() so that the "YZ" constraint can be used for "ld". The "Z" constraint is documented in the GCC manual PowerPC m...
```diff diff --git a/arch/powerpc/include/asm/uaccess.h b/arch/powerpc/include/asm/uaccess.h index 4cba724c8899..fd594bf6c6a9 100644 --- a/arch/powerpc/include/asm/uaccess.h +++ b/arch/powerpc/include/asm/uaccess.h @@ -181,8 +181,19 @@ do { \ #endif #ifdef __powerpc64__ +#ifdef CONFIG_PPC_KERNEL_PREFIXED #d...
2d43cc701b96f910f50915ac4c2a0cae5deb734c
Analyze and fix the following issue in the Linux kernel code: powerpc/uaccess: Fix build errors seen with GCC 13/14
Problem Details: Building ppc64le_defconfig with GCC 14 fails with assembler errors: CC fs/readdir.o /tmp/ccdQn0mD.s: Assembler messages: /tmp/ccdQn0mD.s:212: Error: operand out of domain (18 is not a multiple of 4) /tmp/ccdQn0mD.s:226: Error: operand out of domain (18 is not a multiple of 4) ... [6 l...
```diff diff --git a/arch/powerpc/include/asm/uaccess.h b/arch/powerpc/include/asm/uaccess.h index de10437fd206..4cba724c8899 100644 --- a/arch/powerpc/include/asm/uaccess.h +++ b/arch/powerpc/include/asm/uaccess.h @@ -92,9 +92,25 @@ __pu_failed: \ : label) #endif +#ifdef CONFIG_CC_IS_CLANG +#define DS_FORM...
12870ae3818e39ea65bf710f645972277b634f72
Analyze and fix the following issue in the Linux kernel code: powerpc/pseries/lparcfg: drop error message from guest name lookup
Problem Details: It's not an error or exceptional situation when the hosting environment does not expose a name for the LP/guest via RTAS or the device tree. This happens with qemu when run without the '-name' option. The message also lacks a newline. Remove it. Signed-off-by: Nathan Lynch <nathanl@linux.ibm.com> Fixe...
```diff diff --git a/arch/powerpc/platforms/pseries/lparcfg.c b/arch/powerpc/platforms/pseries/lparcfg.c index 6e7029640c0c..62da20f9700a 100644 --- a/arch/powerpc/platforms/pseries/lparcfg.c +++ b/arch/powerpc/platforms/pseries/lparcfg.c @@ -371,8 +371,8 @@ static int read_dt_lpar_name(struct seq_file *m) static vo...
056620da899527c14cf36e5019a0decaf4cf0f79
Analyze and fix the following issue in the Linux kernel code: RDMA/bnxt_re: Fix the max msix vectors macro
Problem Details: bnxt_re no longer decide the number of MSI-x vectors used by itself. Its decided by bnxt_en now. So when bnxt_en changes this value, system crash is seen. Depend on the max value reported by bnxt_en instead of using the its own macros. Fixes: 303432211324 ("bnxt_en: Remove runtime interrupt vector al...
```diff diff --git a/drivers/infiniband/hw/bnxt_re/bnxt_re.h b/drivers/infiniband/hw/bnxt_re/bnxt_re.h index 9dca451ed522..6974922e5609 100644 --- a/drivers/infiniband/hw/bnxt_re/bnxt_re.h +++ b/drivers/infiniband/hw/bnxt_re/bnxt_re.h @@ -107,8 +107,6 @@ struct bnxt_re_gsi_context { struct bnxt_re_sqp_entries *sqp_tb...
b65456b7b379e20ab225a4e906dc4a0c98fddd7a
Analyze and fix the following issue in the Linux kernel code: ASoC: SOF: ipc4-topology: Adjust the params based on DAI formats
Problem Details: Currently we only check the bit depth value among to DAI formats, but other parameters might be constant, like number of channels and/or rate. In capture we use the fe params as a reference to find the format and blob which should be used, but in the path we can have components which can handle expand...
```diff diff --git a/sound/soc/sof/ipc4-topology.c b/sound/soc/sof/ipc4-topology.c index 645252789cfe..1bea4bab958b 100644 --- a/sound/soc/sof/ipc4-topology.c +++ b/sound/soc/sof/ipc4-topology.c @@ -1583,6 +1583,55 @@ bool sof_ipc4_copier_is_single_bitdepth(struct snd_sof_dev *sdev, return true; } +static int +sof...
49cb894d567980235b6e64d5e69950ff77debd8c
Analyze and fix the following issue in the Linux kernel code: ASoC: SOF: ipc4-topology: Add support for NHLT with 16-bit only DMIC blob
Problem Details: The ACPI NHLT table always had 32-bit DMIC blob even if 16-bit was also present and taken as a 'rule' which obviously got broken and there is at least one device on the market which ships with only 16-bit DMIC configuration blob. This corner case has never been supported and it is going to need topolog...
```diff diff --git a/sound/soc/sof/ipc4-topology.c b/sound/soc/sof/ipc4-topology.c index beff10989324..521b4dcba601 100644 --- a/sound/soc/sof/ipc4-topology.c +++ b/sound/soc/sof/ipc4-topology.c @@ -1483,6 +1483,8 @@ snd_sof_get_nhlt_endpoint_data(struct snd_sof_dev *sdev, struct snd_sof_dai *dai dir, dev_type...
13c7c941e72908b8cce5a84b45a7b5e485ca12ed
Analyze and fix the following issue in the Linux kernel code: netdev: add qstat for csum complete
Problem Details: Recent commit 0cfe71f45f42 ("netdev: add queue stats") added a lot of useful stats, but only those immediately needed by virtio. Presumably virtio does not support CHECKSUM_COMPLETE, so statistic for that form of checksumming wasn't included. Other drivers will definitely need it, in fact we expect it ...
```diff diff --git a/Documentation/netlink/specs/netdev.yaml b/Documentation/netlink/specs/netdev.yaml index 11a32373365a..959755be4d7f 100644 --- a/Documentation/netlink/specs/netdev.yaml +++ b/Documentation/netlink/specs/netdev.yaml @@ -349,6 +349,10 @@ attribute-sets: Number of packets dropped due to tran...