id stringlengths 40 40 | instruction stringlengths 68 308 | input stringlengths 17 33.4k | output stringlengths 100 30k |
|---|---|---|---|
2750f6765d6974f7e163c5d540a96c8703f6d8dd | Analyze and fix the following issue in the Linux kernel code: drm/i915/psr: fix pipe to vblank conversion | Problem Details:
First, we can't assume pipe == crtc index. If a pipe is fused off in
between, it no longer holds. intel_crtc_for_pipe() is the only proper
way to get from a pipe to the corresponding crtc.
Second, drivers aren't supposed to access or index drm->vblank[]
directly. There's drm_crtc_vblank_crtc() for thi... | ```diff
diff --git a/drivers/gpu/drm/i915/display/intel_psr.c b/drivers/gpu/drm/i915/display/intel_psr.c
index 0ca2b06d18b5..3decc190d2ac 100644
--- a/drivers/gpu/drm/i915/display/intel_psr.c
+++ b/drivers/gpu/drm/i915/display/intel_psr.c
@@ -931,7 +931,8 @@ static bool is_dc5_dc6_blocked(struct intel_dp *intel_dp)
{
... |
187de7c212e5fa87779e1026bf949337bca0cdaa | Analyze and fix the following issue in the Linux kernel code: printk: nbcon: Allow unsafe write_atomic() for panic | Problem Details:
There may be console drivers that have not yet figured out a way
to implement safe atomic printing (->write_atomic() callback).
These drivers could choose to only implement threaded printing
(->write_thread() callback), but then it is guaranteed that _no_
output will be printed during panic. Not even a... | ```diff
diff --git a/include/linux/console.h b/include/linux/console.h
index d17f1f525bec..5f17321ed962 100644
--- a/include/linux/console.h
+++ b/include/linux/console.h
@@ -186,6 +186,8 @@ static inline void con_debug_leave(void) { }
* printing callbacks must not be called.
* @CON_NBCON: Console can operate ou... |
53afec2c8fb2a562222948cb1c2aac48598578c9 | Analyze and fix the following issue in the Linux kernel code: tracing/tools: Fix incorrcet short option in usage text for --threads | Problem Details:
The help message incorrectly listed '-t' as the short option for
--threads, but the actual getopt_long configuration uses '-e'.
This mismatch can confuse users and lead to incorrect command-line
usage. This patch updates the usage string to correctly show:
"-e, --threads NRTHR"
to match the implementa... | ```diff
diff --git a/tools/tracing/latency/latency-collector.c b/tools/tracing/latency/latency-collector.c
index cf263fe9deaf..ef97916e3873 100644
--- a/tools/tracing/latency/latency-collector.c
+++ b/tools/tracing/latency/latency-collector.c
@@ -1725,7 +1725,7 @@ static void show_usage(void)
"-n, --notrace\t\tIf late... |
0995c2fc39b0f998d40f5d276f67ae22fc1c37c3 | Analyze and fix the following issue in the Linux kernel code: drm/xe: Enforce correct user fence signaling order using | Problem Details:
Prevent application hangs caused by out-of-order fence signaling when
user fences are attached. Use drm_syncobj (via dma-fence-chain) to
guarantee that each user fence signals in order, regardless of the
signaling order of the attached fences. Ensure user fence writebacks to
user space occur in the cor... | ```diff
diff --git a/drivers/gpu/drm/xe/xe_exec.c b/drivers/gpu/drm/xe/xe_exec.c
index 7715e74bb945..a8ab363a8046 100644
--- a/drivers/gpu/drm/xe/xe_exec.c
+++ b/drivers/gpu/drm/xe/xe_exec.c
@@ -165,7 +165,8 @@ int xe_exec_ioctl(struct drm_device *dev, void *data, struct drm_file *file)
for (num_syncs = 0; num_sync... |
86a9ce21f5b781c56eba23cbbd2264ab74778ab0 | Analyze and fix the following issue in the Linux kernel code: block: don't return 1 for the fallback case in blkdev_get_zone_info | Problem Details:
blkdev_do_report_zones returns the number of reported zones, but
blkdev_get_zone_info returns 0 or an errno. Translate to the expected
return value in blkdev_report_zone_fallback.
Fixes: b037d41762fd ("block: introduce blkdev_get_zone_info()")
Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by... | ```diff
diff --git a/block/blk-zoned.c b/block/blk-zoned.c
index c5226bcaaa94..8204214e3b89 100644
--- a/block/blk-zoned.c
+++ b/block/blk-zoned.c
@@ -895,8 +895,14 @@ static int blkdev_report_zone_fallback(struct block_device *bdev,
.data = zone,
.report_active = true,
};
+ int error;
- return blkdev_do_repo... |
d23550efc6800841b4d1639784afaebdea946ae0 | Analyze and fix the following issue in the Linux kernel code: x86/microcode/AMD: Add more known models to entry sign checking | Problem Details:
Two Zen5 systems are missing from need_sha_check(). Add them.
Fixes: 50cef76d5cb0 ("x86/microcode/AMD: Load only SHA256-checksummed patches")
Signed-off-by: Mario Limonciello (AMD) <superm1@kernel.org>
Signed-off-by: Borislav Petkov (AMD) <bp@alien8.de>
Cc: <stable@kernel.org>
Link: https://patch.msgi... | ```diff
diff --git a/arch/x86/kernel/cpu/microcode/amd.c b/arch/x86/kernel/cpu/microcode/amd.c
index b7c797dc94f4..dc82153009da 100644
--- a/arch/x86/kernel/cpu/microcode/amd.c
+++ b/arch/x86/kernel/cpu/microcode/amd.c
@@ -220,10 +220,12 @@ static bool need_sha_check(u32 cur_rev)
case 0xaa001: return cur_rev <= 0xaa0... |
b11a020d914c3b7628f56a9ea476a5b03679489b | Analyze and fix the following issue in the Linux kernel code: drm/xe: Do clean shutdown also when using flr | Problem Details:
Currently Xe driver is triggering flr without any clean-up on
shutdown. This is causing random warnings from pending related works as the
underlying hardware is reset in the middle of their execution.
Fix this by performing clean shutdown also when using flr.
Fixes: 501d799a47e2 ("drm/xe: Wire up dev... | ```diff
diff --git a/drivers/gpu/drm/xe/xe_device.c b/drivers/gpu/drm/xe/xe_device.c
index 132530e5a3db..456899238377 100644
--- a/drivers/gpu/drm/xe/xe_device.c
+++ b/drivers/gpu/drm/xe/xe_device.c
@@ -983,21 +983,21 @@ void xe_device_remove(struct xe_device *xe)
void xe_device_shutdown(struct xe_device *xe)
{
+ s... |
95af8f4fdce8349a5fe75264007f1af2aa1082ea | Analyze and fix the following issue in the Linux kernel code: drm/xe/guc: Synchronize Dead CT worker with unbind | Problem Details:
Cancel and wait for any Dead CT worker to complete before continuing
with device unbinding. Else the worker will end up using resources freed
by the undind operation.
Cc: Zhanjun Dong <zhanjun.dong@intel.com>
Fixes: d2c5a5a926f4 ("drm/xe/guc: Dead CT helper")
Signed-off-by: Balasubramani Vivekanandan ... | ```diff
diff --git a/drivers/gpu/drm/xe/xe_guc_ct.c b/drivers/gpu/drm/xe/xe_guc_ct.c
index 18f6327bf552..283d846c3512 100644
--- a/drivers/gpu/drm/xe/xe_guc_ct.c
+++ b/drivers/gpu/drm/xe/xe_guc_ct.c
@@ -200,6 +200,9 @@ static void guc_ct_fini(struct drm_device *drm, void *arg)
{
struct xe_guc_ct *ct = arg;
+#if IS... |
5cb637d9425d7c6282b9f7470d273e4ecac6efb8 | Analyze and fix the following issue in the Linux kernel code: iommupt: Documentation fixes | Problem Details:
Some adjustments pointed out by Randy:
"decodes an full 64-bit" -> "decodes the full 64 bit"
Correct the function parameter name for iova_to_phys()
Use the recommended section heading style.
Suggested-by: Randy Dunlap <rdunlap@infradead.org>
Fixes: ab0b572847ac ("genpt: Add Documentation/ files"... | ```diff
diff --git a/Documentation/driver-api/generic_pt.rst b/Documentation/driver-api/generic_pt.rst
index 7a9ca9f2878d..fd29d1b525e5 100644
--- a/Documentation/driver-api/generic_pt.rst
+++ b/Documentation/driver-api/generic_pt.rst
@@ -10,9 +10,8 @@ Generic Radix Page Table
.. kernel-doc:: drivers/iommu/generic_pt/... |
e4dfaf25df1210af6776b6672191cf5e32ba5529 | Analyze and fix the following issue in the Linux kernel code: iommupt: Describe @bitnr parameter | Problem Details:
Sphinx reports kernel-doc warnings when making htmldocs:
WARNING: ./drivers/iommu/generic_pt/pt_common.h:361 function parameter 'bitnr' not described in 'pt_test_sw_bit_acquire'
WARNING: ./drivers/iommu/generic_pt/pt_common.h:371 function parameter 'bitnr' not described in 'pt_set_sw_bit_release'
Des... | ```diff
diff --git a/drivers/iommu/generic_pt/pt_common.h b/drivers/iommu/generic_pt/pt_common.h
index b5628f47e0db..3b4e37108914 100644
--- a/drivers/iommu/generic_pt/pt_common.h
+++ b/drivers/iommu/generic_pt/pt_common.h
@@ -354,6 +354,7 @@ static inline unsigned int pt_max_sw_bit(struct pt_common *common);
/**
* ... |
6573d552e28c22f5f7b7eedce3ac7c2677032b13 | Analyze and fix the following issue in the Linux kernel code: Documentation: genpt: Don't use code block marker before iommu_amdv1.c include listing | Problem Details:
Stephen Rothwell reports htmldocs warning when merging iommu tree:
Documentation/driver-api/generic_pt.rst:32: WARNING: Literal block expected; none found. [docutils]
This is because of duplicate double colon code block markers: one after
generic_pt/fmt/iommu_amdv1.c and the one in its preceding para... | ```diff
diff --git a/Documentation/driver-api/generic_pt.rst b/Documentation/driver-api/generic_pt.rst
index 210d1229aa1c..7a9ca9f2878d 100644
--- a/Documentation/driver-api/generic_pt.rst
+++ b/Documentation/driver-api/generic_pt.rst
@@ -27,7 +27,7 @@ compiled into a per-format IOMMU operations kernel module.
For thi... |
29528c8e643bb0c54da01237a35010c6438423d2 | Analyze and fix the following issue in the Linux kernel code: ASoC: tas2781: fix getting the wrong device number | Problem Details:
The return value of device_property_read_u32_array used for getting the
property is the status instead of the number of the property.
Fixes: ef3bcde75d06 ("ASoC: tas2781: Add tas2781 driver")
Signed-off-by: Shenghao Ding <shenghao-ding@ti.com>
Link: https://patch.msgid.link/20251107054959.950-1-shengh... | ```diff
diff --git a/sound/soc/codecs/tas2781-i2c.c b/sound/soc/codecs/tas2781-i2c.c
index ba880b5de7e8..8f37aa00e62e 100644
--- a/sound/soc/codecs/tas2781-i2c.c
+++ b/sound/soc/codecs/tas2781-i2c.c
@@ -1957,7 +1957,8 @@ static void tasdevice_parse_dt(struct tasdevice_priv *tas_priv)
{
struct i2c_client *client = (s... |
264b501bb40dd22e8c4ab2c8a3378e32c2e04ec6 | Analyze and fix the following issue in the Linux kernel code: rust: pwm: Add module_pwm_platform_driver! macro | Problem Details:
Rust PWM drivers using the abstractions in `kernel/pwm.rs` typically
call C functions (like `pwmchip_alloc`, `__pwmchip_add`, etc.) that are
exported to the `PWM` C symbol namespace.
With the introduction of `imports_ns` support in the `module!` macro,
every PWM driver would need to manually include `... | ```diff
diff --git a/rust/kernel/pwm.rs b/rust/kernel/pwm.rs
index 79fbb13cd47f..6f2f78c687d5 100644
--- a/rust/kernel/pwm.rs
+++ b/rust/kernel/pwm.rs
@@ -760,3 +760,26 @@ impl<T: PwmOps> Drop for Registration<T> {
unsafe { bindings::pwmchip_remove(chip_raw); }
}
}
+
+/// Declares a kernel module that ex... |
d8046cd50879db371bbf6220477ec521692ab2f6 | Analyze and fix the following issue in the Linux kernel code: rust: pwm: Add complete abstraction layer | Problem Details:
Introduce a comprehensive abstraction layer for the PWM subsystem to
enable writing drivers in Rust.
Because `Device`, `Chip`, and `PwmOps` all refer to each other, they
form a single, indivisible unit with circular dependencies. They are
introduced together in this single commit to create a complete,... | ```diff
diff --git a/rust/kernel/pwm.rs b/rust/kernel/pwm.rs
index beabf0086a2f..79fbb13cd47f 100644
--- a/rust/kernel/pwm.rs
+++ b/rust/kernel/pwm.rs
@@ -8,10 +8,14 @@
use crate::{
bindings,
+ container_of,
+ device::{self, Bound},
+ devres,
+ error::{self, to_result},
prelude::*,
- types::... |
739ad9be61e5f53dbd8d7d7e80723d0799ff077c | Analyze and fix the following issue in the Linux kernel code: rust: macros: Add support for 'imports_ns' to module! | Problem Details:
Kernel modules that use C symbols exported via `EXPORT_SYMBOL_NS` must
declare this dependency for `modpost` verification. C modules achieve
this by using the `MODULE_IMPORT_NS(NAMESPACE)` macro, which embeds an
`import_ns=<NAMESPACE>` tag into the `.modinfo` section.
The Rust `module!` macro lacked t... | ```diff
diff --git a/rust/macros/module.rs b/rust/macros/module.rs
index 5ee54a00c0b6..408cd1154875 100644
--- a/rust/macros/module.rs
+++ b/rust/macros/module.rs
@@ -98,6 +98,7 @@ struct ModuleInfo {
description: Option<String>,
alias: Option<Vec<String>>,
firmware: Option<Vec<String>>,
+ imports_ns:... |
f6087b926aea65768975fd4cbc3775965cbd8621 | Analyze and fix the following issue in the Linux kernel code: slab: make __slab_free() more clear | Problem Details:
The function is tricky and many of its tests are hard to understand. Try
to improve that by using more descriptively named variables and added
comments.
- rename 'prior' to 'old_head' to match the head and tail parameters
- introduce a 'bool was_full' to make it more obvious what we are
testing inst... | ```diff
diff --git a/mm/slub.c b/mm/slub.c
index f1a5373eee7b..074abe8e79f8 100644
--- a/mm/slub.c
+++ b/mm/slub.c
@@ -5859,8 +5859,8 @@ static void __slab_free(struct kmem_cache *s, struct slab *slab,
unsigned long addr)
{
- void *prior;
- int was_frozen;
+ void *old_head;
+ bool was_frozen, was_full;
struct ... |
9942d36a73c2d46c52fdd6f37cf698f3cb09ce5c | Analyze and fix the following issue in the Linux kernel code: drm/vmwgfx: Set surface-framebuffer GEM objects | Problem Details:
Set struct drm_framebuffer.obj[0] to the allocated GEM buffer object
for surface framebuffers. Avoids a NULL-pointer deref in the client's
vmap helpers.
[ 22.640191] Console: switching to colour frame buffer device 160x50
[ 22.641788] Oops: general protection fault, probably for
non-canonical ad... | ```diff
diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_kms.c b/drivers/gpu/drm/vmwgfx/vmwgfx_kms.c
index 54ea1b513950..d32ce1cb579e 100644
--- a/drivers/gpu/drm/vmwgfx/vmwgfx_kms.c
+++ b/drivers/gpu/drm/vmwgfx/vmwgfx_kms.c
@@ -553,6 +553,9 @@ static int vmw_kms_new_framebuffer_surface(struct vmw_private *dev_priv,
memcpy... |
f050da08a4edfcccb92bbc93eafb9723286a5ce2 | Analyze and fix the following issue in the Linux kernel code: drm/vblank: Increase timeout in drm_wait_one_vblank() | Problem Details:
Currently, wait_event_timeout() in drm_wait_one_vblank() uses a 100ms
timeout. Under heavy scheduling pressure or rare delayed vblank
handling, this can trigger WARNs unnecessarily.
Increase the timeout to 1000ms to reduce spurious WARNs, while still
catching genuine issues.
Reported-by: syzbot+147ba... | ```diff
diff --git a/drivers/gpu/drm/drm_vblank.c b/drivers/gpu/drm/drm_vblank.c
index 451ec9620226..32d013c5c8fc 100644
--- a/drivers/gpu/drm/drm_vblank.c
+++ b/drivers/gpu/drm/drm_vblank.c
@@ -1315,7 +1315,7 @@ void drm_wait_one_vblank(struct drm_device *dev, unsigned int pipe)
ret = wait_event_timeout(vblank->qu... |
3946d3ba99342f3b9996e621f05e7003d4308171 | Analyze and fix the following issue in the Linux kernel code: drm/vblank: Fix kernel docs for vblank timer | Problem Details:
Fix documentation for drm_crtc_vblank_start_timer(), which referred
to drm_crtc_vblank_cancel_timer().
Signed-off-by: Thomas Zimmermann <tzimmermann@suse.de>
Reported-by: Stephen Rothwell <sfr@canb.auug.org.au>
Closes: https://lore.kernel.org/dri-devel/20251106152201.6f248c09@canb.auug.org.au/
Fixes: ... | ```diff
diff --git a/drivers/gpu/drm/drm_vblank.c b/drivers/gpu/drm/drm_vblank.c
index 61e211fd3c9c..451ec9620226 100644
--- a/drivers/gpu/drm/drm_vblank.c
+++ b/drivers/gpu/drm/drm_vblank.c
@@ -2258,7 +2258,7 @@ int drm_crtc_vblank_start_timer(struct drm_crtc *crtc)
EXPORT_SYMBOL(drm_crtc_vblank_start_timer);
/**
... |
eef295a8508202e750e4f103a97447f3c9d5e3d0 | Analyze and fix the following issue in the Linux kernel code: drm/vmwgfx: Restore Guest-Backed only cursor plane support | Problem Details:
The referenced fixes commit broke the cursor plane for configurations
which have Guest-Backed surfaces but no cursor MOB support.
Fixes: 965544150d1c ("drm/vmwgfx: Refactor cursor handling")
Signed-off-by: Ian Forbes <ian.forbes@broadcom.com>
Signed-off-by: Zack Rusin <zack.rusin@broadcom.com>
Link: h... | ```diff
diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_cursor_plane.c b/drivers/gpu/drm/vmwgfx/vmwgfx_cursor_plane.c
index 718832b08d96..c46f17ba7236 100644
--- a/drivers/gpu/drm/vmwgfx/vmwgfx_cursor_plane.c
+++ b/drivers/gpu/drm/vmwgfx/vmwgfx_cursor_plane.c
@@ -100,8 +100,10 @@ vmw_cursor_update_type(struct vmw_private *v... |
32b415a9dc2c212e809b7ebc2b14bc3fbda2b9af | Analyze and fix the following issue in the Linux kernel code: drm/vmwgfx: Validate command header size against SVGA_CMD_MAX_DATASIZE | Problem Details:
This data originates from userspace and is used in buffer offset
calculations which could potentially overflow causing an out-of-bounds
access.
Fixes: 8ce75f8ab904 ("drm/vmwgfx: Update device includes for DX device functionality")
Reported-by: Rohit Keshri <rkeshri@redhat.com>
Signed-off-by: Ian Forbe... | ```diff
diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_execbuf.c b/drivers/gpu/drm/vmwgfx/vmwgfx_execbuf.c
index d539f25b5fbe..3057f8baa7d2 100644
--- a/drivers/gpu/drm/vmwgfx/vmwgfx_execbuf.c
+++ b/drivers/gpu/drm/vmwgfx/vmwgfx_execbuf.c
@@ -3668,6 +3668,11 @@ static int vmw_cmd_check(struct vmw_private *dev_priv,
c... |
6bd89ae7d14788ba15e25289479addcb98e7dc26 | Analyze and fix the following issue in the Linux kernel code: perf record: Make sure to update build-ID cache | Problem Details:
Recent change on enabling --buildid-mmap by default brought an issue
with build-id handling. With build-ID in MMAP2 records, we don't need
to save the build-ID table in the header of a perf data file.
But the actual file contents still need to be cached in the debug
directory for annotation etc. Spl... | ```diff
diff --git a/tools/perf/builtin-record.c b/tools/perf/builtin-record.c
index ffb94a8339b0..fe10bb7f35cb 100644
--- a/tools/perf/builtin-record.c
+++ b/tools/perf/builtin-record.c
@@ -1890,15 +1890,14 @@ record__finish_output(struct record *rec)
}
/* Buildid scanning disabled or build ID in kernel and synt... |
80f0d631dcc76ee1b7755bfca1d8417d91d71414 | Analyze and fix the following issue in the Linux kernel code: tracing: Fix memory leaks in create_field_var() | Problem Details:
The function create_field_var() allocates memory for 'val' through
create_hist_field() inside parse_atom(), and for 'var' through
create_var(), which in turn allocates var->type and var->var.name
internally. Simply calling kfree() to release these structures will
result in memory leaks.
Use destroy_hi... | ```diff
diff --git a/kernel/trace/trace_events_hist.c b/kernel/trace/trace_events_hist.c
index 1d536219b624..6bfaf1210dd2 100644
--- a/kernel/trace/trace_events_hist.c
+++ b/kernel/trace/trace_events_hist.c
@@ -3272,14 +3272,16 @@ static struct field_var *create_field_var(struct hist_trigger_data *hist_data,
var = cr... |
aa997d2d2a0b2e76f4df0f1f12829f02acb4fb6b | Analyze and fix the following issue in the Linux kernel code: ring-buffer: Do not warn in ring_buffer_map_get_reader() when reader catches up | Problem Details:
The function ring_buffer_map_get_reader() is a bit more strict than the
other get reader functions, and except for certain situations the
rb_get_reader_page() should not return NULL. If it does, it triggers a
warning.
This warning was triggering but after looking at why, it was because
another accepta... | ```diff
diff --git a/kernel/trace/ring_buffer.c b/kernel/trace/ring_buffer.c
index 1244d2c5c384..afcd3747264d 100644
--- a/kernel/trace/ring_buffer.c
+++ b/kernel/trace/ring_buffer.c
@@ -7344,6 +7344,10 @@ consume:
goto out;
}
+ /* Did the reader catch up with the writer? */
+ if (cpu_buffer->reader_page == cpu_... |
93e197e524b14d185d011813b72773a1a49d932d | Analyze and fix the following issue in the Linux kernel code: io_uring: use WRITE_ONCE for user shared memory | Problem Details:
IORING_SETUP_NO_MMAP rings remain user accessible even before the ctx
setup is finalised, so use WRITE_ONCE consistently when initialising
rings.
Fixes: 03d89a2de25bb ("io_uring: support for user allocated memory for rings/sqes")
Signed-off-by: Pavel Begunkov <asml.silence@gmail.com>
Signed-off-by: Je... | ```diff
diff --git a/io_uring/io_uring.c b/io_uring/io_uring.c
index e493d4358ab7..d11d0e9723a1 100644
--- a/io_uring/io_uring.c
+++ b/io_uring/io_uring.c
@@ -3381,10 +3381,6 @@ static __cold int io_allocate_scq_urings(struct io_ring_ctx *ctx,
if (!(ctx->flags & IORING_SETUP_NO_SQARRAY))
ctx->sq_array = (u32 *)(... |
15638d52cbcf6e969f4a5e2757b118355db583f3 | Analyze and fix the following issue in the Linux kernel code: block: fix cached zone reporting after zone append was used | Problem Details:
No zone plugs are allocated when a zone is opened by calling Zone Append
on it. This makes the cached zone reporting report incorrectly empty
zones if the file system is unmounted and report zones is called after
that, e.g. by xfstests test cases using the scratch device.
Fix this by recording if zon... | ```diff
diff --git a/block/blk-zoned.c b/block/blk-zoned.c
index a0ce17e2143f..c5226bcaaa94 100644
--- a/block/blk-zoned.c
+++ b/block/blk-zoned.c
@@ -899,6 +899,19 @@ static int blkdev_report_zone_fallback(struct block_device *bdev,
return blkdev_do_report_zones(bdev, sector, 1, &args);
}
+/*
+ * For devices that... |
c6886cf610f4bb0b8aa6b88ab013a042e317f898 | Analyze and fix the following issue in the Linux kernel code: block: don't leak disk->zones_cond for !disk_need_zone_resources | Problem Details:
disk->zones_cond is allocated for all zoned devices, but
disk_free_zone_resources skips it when the zone write plug hash is not
allocated, leaking the allocation for non-mq devices that don't emulate
zone append. This is reported by kmemleak-enabled xfstests for various
tests that use simple device ma... | ```diff
diff --git a/block/blk-zoned.c b/block/blk-zoned.c
index bba64b427082..a0ce17e2143f 100644
--- a/block/blk-zoned.c
+++ b/block/blk-zoned.c
@@ -1834,6 +1834,14 @@ static void disk_destroy_zone_wplugs_hash_table(struct gendisk *disk)
kfree(disk->zone_wplugs_hash);
disk->zone_wplugs_hash = NULL;
disk->zone_w... |
156a530ed5ed012f35e8319c2ee5223dfc7195d3 | Analyze and fix the following issue in the Linux kernel code: arm64: dts: rockchip: Add devicetree for the 9Tripod X3568 v4 | Problem Details:
The 9Tripod X3568 v4 is an RK3568-based SBC, just like the RK3568-EVB.
It always uses soldered connections between the X3568CV2/X3568CV3/X3568CV4 core board
and the X3568bv4 I/O board.
The differences between the core boards
- PCB size, layout
- CPU (RKK3568B2/RK3568J)
- Memory type (DDR4/LPDDR4/LPDDR... | ```diff
diff --git a/arch/arm64/boot/dts/rockchip/Makefile b/arch/arm64/boot/dts/rockchip/Makefile
index 4cd8ef607f55..73bd126efc4c 100644
--- a/arch/arm64/boot/dts/rockchip/Makefile
+++ b/arch/arm64/boot/dts/rockchip/Makefile
@@ -130,6 +130,7 @@ dtb-$(CONFIG_ARCH_ROCKCHIP) += rk3566-lubancat-1.dtb
dtb-$(CONFIG_ARCH_R... |
9311e6c29b348b005e79228ef6facd38ebcc73f9 | Analyze and fix the following issue in the Linux kernel code: cgroup: Fix sleeping from invalid context warning on PREEMPT_RT | Problem Details:
cgroup_task_dead() is called from finish_task_switch() which runs with
preemption disabled and doesn't allow scheduling even on PREEMPT_RT. The
function needs to acquire css_set_lock which is a regular spinlock that can
sleep on RT kernels, leading to "sleeping function called from invalid
context" war... | ```diff
diff --git a/include/linux/sched.h b/include/linux/sched.h
index cbb7340c5866..5e80d48488ef 100644
--- a/include/linux/sched.h
+++ b/include/linux/sched.h
@@ -1324,7 +1324,10 @@ struct task_struct {
struct css_set __rcu *cgroups;
/* cg_list protected by css_set_lock and tsk->alloc_lock: */
struct list_he... |
74d4432421a3e2669fbccc08c0f4fc2980bf0e39 | Analyze and fix the following issue in the Linux kernel code: docs: netlink: Couple of intro-specs documentation fixes | Problem Details:
Fix typo "handul" to "handful" and remove outdated limitation
stating only generic netlink is supported (we have netlink-raw).
Reviewed-by: Carolina Jubran <cjubran@nvidia.com>
Signed-off-by: Gal Pressman <gal@nvidia.com>
Link: https://patch.msgid.link/20251105192908.686458-1-gal@nvidia.com
Signed-off... | ```diff
diff --git a/Documentation/userspace-api/netlink/intro-specs.rst b/Documentation/userspace-api/netlink/intro-specs.rst
index a4435ae4628d..e5ebc617754a 100644
--- a/Documentation/userspace-api/netlink/intro-specs.rst
+++ b/Documentation/userspace-api/netlink/intro-specs.rst
@@ -13,10 +13,10 @@ Simple CLI
Kerne... |
c91afa7610235f89a5e8f5686aac23892ab227ed | Analyze and fix the following issue in the Linux kernel code: tracing: tprobe-events: Fix to put tracepoint_user when disable the tprobe | Problem Details:
__unregister_trace_fprobe() checks tf->tuser to put it when removing
tprobe. However, disable_trace_fprobe() does not use it and only calls
unregister_fprobe(). Thus it forgets to disable tracepoint_user.
If the trace_fprobe has tuser, put it for unregistering the tracepoint
callbacks when disabling t... | ```diff
diff --git a/kernel/trace/trace_fprobe.c b/kernel/trace/trace_fprobe.c
index fd1b108ab639..8001dbf16891 100644
--- a/kernel/trace/trace_fprobe.c
+++ b/kernel/trace/trace_fprobe.c
@@ -1514,6 +1514,10 @@ static int disable_trace_fprobe(struct trace_event_call *call,
if (!trace_probe_is_enabled(tp)) {
list_fo... |
25802f8d16374bcfc1e32d26fdee0d89ec82f865 | Analyze and fix the following issue in the Linux kernel code: dt-bindings: vendor-prefixes: Add 9Tripod | Problem Details:
Add 9Tripod to the vendor prefixes.
Signed-off-by: Coia Prant <coiaprant@gmail.com>
Acked-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Link: https://patch.msgid.link/20251103171702.1518730-2-coiaprant@gmail.com
Signed-off-by: Heiko Stuebner <heiko@sntech.de> | ```diff
diff --git a/Documentation/devicetree/bindings/vendor-prefixes.yaml b/Documentation/devicetree/bindings/vendor-prefixes.yaml
index 003cc91fb02f..7fd091e87007 100644
--- a/Documentation/devicetree/bindings/vendor-prefixes.yaml
+++ b/Documentation/devicetree/bindings/vendor-prefixes.yaml
@@ -30,6 +30,8 @@ pattern... |
10d9dda426d684e98b17161f02f77894c6de9b60 | Analyze and fix the following issue in the Linux kernel code: tracing: tprobe-events: Fix to register tracepoint correctly | Problem Details:
Since __tracepoint_user_init() calls tracepoint_user_register() without
initializing tuser->tpoint with given tracpoint, it does not register
tracepoint stub function as callback correctly, and tprobe does not work.
Initializing tuser->tpoint correctly before tracepoint_user_register()
so that it sets... | ```diff
diff --git a/kernel/trace/trace_fprobe.c b/kernel/trace/trace_fprobe.c
index ad9d6347b5fa..fd1b108ab639 100644
--- a/kernel/trace/trace_fprobe.c
+++ b/kernel/trace/trace_fprobe.c
@@ -106,13 +106,14 @@ static struct tracepoint_user *__tracepoint_user_init(const char *name, struct t
if (!tuser->name)
return ... |
fbf90d1b697faf61bb8b3ed72be6a8ebeb09de3d | Analyze and fix the following issue in the Linux kernel code: arm64: dts: rockchip: Fix USB Type-C host mode for Radxa ROCK 5B+/5T | Problem Details:
The Radxa ROCK 5B+/5T USB Type-C port supports Dual Role Data and
should also act as a host. However, currently, when acting as a host,
only self-powered devices work.
Since the ROCK 5B+ supports Dual Role Power, set the power-role
property to "dual" and the try-power-role property to "sink". (along
w... | ```diff
diff --git a/arch/arm64/boot/dts/rockchip/rk3588-rock-5b-5bp-5t.dtsi b/arch/arm64/boot/dts/rockchip/rk3588-rock-5b-5bp-5t.dtsi
index 3bbe78810ec6..7aac77dfc5f1 100644
--- a/arch/arm64/boot/dts/rockchip/rk3588-rock-5b-5bp-5t.dtsi
+++ b/arch/arm64/boot/dts/rockchip/rk3588-rock-5b-5bp-5t.dtsi
@@ -331,12 +331,12 @@... |
a59e927ff46a967f84ddf94e89cbb045810e8974 | Analyze and fix the following issue in the Linux kernel code: arm64: dts: rockchip: Fix USB power enable pin for BTT CB2 and Pi2 | Problem Details:
Fix typo into regulator GPIO definition. With current
definition - USB powered off. Valid definition can be found on "pinctrl"
section:
vcc5v0_usb2t_en: vcc5v0-usb2t-en {
rockchip,pins = <3 RK_PD5 RK_FUNC_GPIO &pcfg_pull_none>;
};
vcc5v0_usb2b_en: vcc5v0-usb2b-en {
rockchip,pi... | ```diff
diff --git a/arch/arm64/boot/dts/rockchip/rk3566-bigtreetech-cb2.dtsi b/arch/arm64/boot/dts/rockchip/rk3566-bigtreetech-cb2.dtsi
index f74590af7e33..b6cf03a7ba66 100644
--- a/arch/arm64/boot/dts/rockchip/rk3566-bigtreetech-cb2.dtsi
+++ b/arch/arm64/boot/dts/rockchip/rk3566-bigtreetech-cb2.dtsi
@@ -187,7 +187,7 ... |
c6c76445c30bb73fd4cfba8f4742e642dcfe90f5 | Analyze and fix the following issue in the Linux kernel code: arm64: dts: rockchip: Fix DMA for Indiedroid Nova Bluetooth | Problem Details:
When the device was first added, there was a problem with the bluetooth
controller that manifested when DMA was enabled for the underlying UART
interface. At some point in the intervening time the problem appears to
have been resolved. Add the UART rx and tx channels back to re-enable
UART.
Signed-off... | ```diff
diff --git a/arch/arm64/boot/dts/rockchip/rk3588s-indiedroid-nova.dts b/arch/arm64/boot/dts/rockchip/rk3588s-indiedroid-nova.dts
index 02e95fca2d5e..b506d820585f 100644
--- a/arch/arm64/boot/dts/rockchip/rk3588s-indiedroid-nova.dts
+++ b/arch/arm64/boot/dts/rockchip/rk3588s-indiedroid-nova.dts
@@ -931,12 +931,9... |
c04956cccb78cc233a20cc18f663689671f03c65 | Analyze and fix the following issue in the Linux kernel code: tg3: extract GRXRINGS from .get_rxnfc | Problem Details:
Commit 84eaf4359c36 ("net: ethtool: add get_rx_ring_count callback to
optimize RX ring queries") added specific support for GRXRINGS callback,
simplifying .get_rxnfc.
Remove the handling of GRXRINGS in .get_rxnfc() by moving it to the new
.get_rx_ring_count().
Given that tg3_get_rxnfc() only handles ... | ```diff
diff --git a/drivers/net/ethernet/broadcom/tg3.c b/drivers/net/ethernet/broadcom/tg3.c
index d78cafdb2094..fa58c3ffceb0 100644
--- a/drivers/net/ethernet/broadcom/tg3.c
+++ b/drivers/net/ethernet/broadcom/tg3.c
@@ -12719,29 +12719,17 @@ static int tg3_get_sset_count(struct net_device *dev, int sset)
}
}
-s... |
37f46601383aa5a19bd42ea99617fa0fa6215f77 | Analyze and fix the following issue in the Linux kernel code: selftests/tracing: Add basic test for trace_marker_raw file | Problem Details:
Commit 64cf7d058a00 ("tracing: Have trace_marker use per-cpu data to read
user space") made an update that fixed both trace_marker and
trace_marker_raw. But the small difference made to trace_marker_raw had a
blatant bug in it that any basic testing would have uncovered.
Unfortunately, the self tests h... | ```diff
diff --git a/tools/testing/selftests/ftrace/test.d/00basic/trace_marker_raw.tc b/tools/testing/selftests/ftrace/test.d/00basic/trace_marker_raw.tc
new file mode 100644
index 000000000000..7daf7292209e
--- /dev/null
+++ b/tools/testing/selftests/ftrace/test.d/00basic/trace_marker_raw.tc
@@ -0,0 +1,107 @@
+#!/bin... |
12ed3e5a03a8a5150977c2fa7e4dd739320592bc | Analyze and fix the following issue in the Linux kernel code: ice: add flow parsing for GTP and new protocol field support | Problem Details:
Introduce new protocol header types and field sizes to support GTPU, GTPC
tunneling protocols.
- Add field size macros for GTP TEID, QFI, and other headers
- Extend ice_flow_field_info and enum definitions
- Update hash macros for new protocols
- Add support for IPv6 prefix matching and fragment h... | ```diff
diff --git a/drivers/net/ethernet/intel/ice/ice_flow.c b/drivers/net/ethernet/intel/ice/ice_flow.c
index 6d5c939dc8a5..a2f2a612428d 100644
--- a/drivers/net/ethernet/intel/ice/ice_flow.c
+++ b/drivers/net/ethernet/intel/ice/ice_flow.c
@@ -5,6 +5,38 @@
#include "ice_flow.h"
#include <net/gre.h>
+/* Size of k... |
0ed3a30fd996cb0cac872432cf25185fda7e5316 | Analyze and fix the following issue in the Linux kernel code: hisi_acc_vfio_pci: Add .match_token_uuid callback in hisi_acc_vfio_pci_migrn_ops | Problem Details:
The commit, <86624ba3b522> ("vfio/pci: Do vf_token checks for
VFIO_DEVICE_BIND_IOMMUFD") accidentally ignored including the
.match_token_uuid callback in the hisi_acc_vfio_pci_migrn_ops struct.
Introduce the missed callback here.
Fixes: 86624ba3b522 ("vfio/pci: Do vf_token checks for VFIO_DEVICE_BIND_... | ```diff
diff --git a/drivers/vfio/pci/hisilicon/hisi_acc_vfio_pci.c b/drivers/vfio/pci/hisilicon/hisi_acc_vfio_pci.c
index 498cb7d1c9e5..fe2ffcd00d6e 100644
--- a/drivers/vfio/pci/hisilicon/hisi_acc_vfio_pci.c
+++ b/drivers/vfio/pci/hisilicon/hisi_acc_vfio_pci.c
@@ -1620,6 +1620,7 @@ static const struct vfio_device_ops... |
2f03f21fe7516902283b135de272d3c7b10672de | Analyze and fix the following issue in the Linux kernel code: vfio: Fix ksize arg while copying user struct in vfio_df_ioctl_bind_iommufd() | Problem Details:
For the cases where user includes a non-zero value in 'token_uuid_ptr'
field of 'struct vfio_device_bind_iommufd', the copy_struct_from_user()
in vfio_df_ioctl_bind_iommufd() fails with -E2BIG. For the 'minsz' passed,
copy_struct_from_user() expects the newly introduced field to be zero-ed,
which would... | ```diff
diff --git a/drivers/vfio/device_cdev.c b/drivers/vfio/device_cdev.c
index 480cac3a0c27..8ceca24ac136 100644
--- a/drivers/vfio/device_cdev.c
+++ b/drivers/vfio/device_cdev.c
@@ -99,7 +99,7 @@ long vfio_df_ioctl_bind_iommufd(struct vfio_device_file *df,
return ret;
if (user_size < minsz)
return -EINVAL;... |
c331b400e291a510eb9a0dbdc783b38e6f8321f0 | Analyze and fix the following issue in the Linux kernel code: KVM: SVM: Ensure SPEC_CTRL[63:32] is context switched between guest and host | Problem Details:
SPEC_CTRL is an MSR, i.e. a 64-bit value, but the VMRUN assembly code
assumes bits 63:32 are always zero. The bug is _currently_ benign because
neither KVM nor the kernel support setting any of bits 63:32, but it's
still a bug that needs to be fixed.
Signed-off-by: Uros Bizjak <ubizjak@gmail.com>
Sug... | ```diff
diff --git a/arch/x86/kvm/svm/vmenter.S b/arch/x86/kvm/svm/vmenter.S
index 235c4af6b692..98bfa2e00d88 100644
--- a/arch/x86/kvm/svm/vmenter.S
+++ b/arch/x86/kvm/svm/vmenter.S
@@ -52,11 +52,23 @@
* there must not be any returns or indirect branches between this code
* and vmentry.
*/
- movl SVM_spec_ctr... |
f2a12cc3b97f062186568a7b94ddb7aa2ef68140 | Analyze and fix the following issue in the Linux kernel code: erofs: avoid infinite loop due to incomplete zstd-compressed data | Problem Details:
Currently, the decompression logic incorrectly spins if compressed
data is truncated in crafted (deliberately corrupted) images.
Fixes: 7c35de4df105 ("erofs: Zstandard compression support")
Reported-by: Robert Morris <rtm@csail.mit.edu>
Closes: https://lore.kernel.org/r/50958.1761605413@localhost
Sign... | ```diff
diff --git a/fs/erofs/decompressor_zstd.c b/fs/erofs/decompressor_zstd.c
index b4bfe14229f9..e38d93bb2104 100644
--- a/fs/erofs/decompressor_zstd.c
+++ b/fs/erofs/decompressor_zstd.c
@@ -172,7 +172,6 @@ static int z_erofs_zstd_decompress(struct z_erofs_decompress_req *rq,
dctx.bounce = strm->bounce;
do {
... |
c105e76bb17cf4b55fe89c6ad4f6a0e3972b5b08 | Analyze and fix the following issue in the Linux kernel code: hfs: fix potential use after free in hfs_correct_next_unused_CNID() | Problem Details:
This code calls hfs_bnode_put(node) which drops the refcount and then
dreferences "node" on the next line. It's only safe to use "node"
when we're holding a reference so flip these two lines around.
Fixes: a06ec283e125 ("hfs: add logic of correcting a next unused CNID")
Signed-off-by: Dan Carpenter <... | ```diff
diff --git a/fs/hfs/catalog.c b/fs/hfs/catalog.c
index caebabb6642f..b80ba40e3877 100644
--- a/fs/hfs/catalog.c
+++ b/fs/hfs/catalog.c
@@ -322,9 +322,9 @@ int hfs_correct_next_unused_CNID(struct super_block *sb, u32 cnid)
}
}
+ node_id = node->prev;
hfs_bnode_put(node);
- node_id = node->prev;
... |
a9da90e618cd0669a22bcc06a96209db5dd96e9b | Analyze and fix the following issue in the Linux kernel code: wifi: mac80211: reject address change while connecting | Problem Details:
While connecting, the MAC address can already no longer be
changed. The change is already rejected if netif_carrier_ok(),
but of course that's not true yet while connecting. Check for
auth_data or assoc_data, so the MAC address cannot be changed.
Also more comprehensively check that there are no stati... | ```diff
diff --git a/net/mac80211/iface.c b/net/mac80211/iface.c
index a7873832d4fa..0ca55b9655a7 100644
--- a/net/mac80211/iface.c
+++ b/net/mac80211/iface.c
@@ -223,6 +223,10 @@ static int ieee80211_can_powered_addr_change(struct ieee80211_sub_if_data *sdata
if (netif_carrier_ok(sdata->dev))
return -EBUSY;
+ /... |
dea9f84776b96a703f504631ebe9fea07bd2c181 | Analyze and fix the following issue in the Linux kernel code: accel/amdxdna: Fix dma_fence leak when job is canceled | Problem Details:
Currently, dma_fence_put(job->fence) is called in job notification
callback. However, if a job is canceled, the notification callback is never
invoked, leading to a memory leak. Move dma_fence_put(job->fence)
to the job cleanup function to ensure the fence is always released.
Fixes: aac243092b70 ("acc... | ```diff
diff --git a/drivers/accel/amdxdna/aie2_ctx.c b/drivers/accel/amdxdna/aie2_ctx.c
index b78c47ed0d34..bdc90fe8a47e 100644
--- a/drivers/accel/amdxdna/aie2_ctx.c
+++ b/drivers/accel/amdxdna/aie2_ctx.c
@@ -189,7 +189,6 @@ aie2_sched_notify(struct amdxdna_sched_job *job)
up(&job->hwctx->priv->job_sem);
job->j... |
3dc8c73365d3ca25c99e7e1a0f493039d7291df5 | Analyze and fix the following issue in the Linux kernel code: ASoC: codecs: va-macro: fix resource leak in probe error path | Problem Details:
In the commit referenced by the Fixes tag, clk_hw_get_clk()
was added in va_macro_probe() to get the fsgen clock,
but forgot to add the corresponding clk_put() in va_macro_remove().
This leads to a clock reference leak when the driver is unloaded.
Switch to devm_clk_hw_get_clk() to automatically manag... | ```diff
diff --git a/sound/soc/codecs/lpass-va-macro.c b/sound/soc/codecs/lpass-va-macro.c
index 2e1b77973a3e..92c177b82a02 100644
--- a/sound/soc/codecs/lpass-va-macro.c
+++ b/sound/soc/codecs/lpass-va-macro.c
@@ -1638,7 +1638,7 @@ static int va_macro_probe(struct platform_device *pdev)
if (ret)
goto err_clkout;
... |
3c6a743c6961cc2cab453b343bb157d6bbbf8120 | Analyze and fix the following issue in the Linux kernel code: drm/amd/display: Enable mst when it's detected but yet to be initialized | Problem Details:
[Why]
drm_dp_mst_topology_queue_probe() is used under the assumption that
mst is already initialized. If we connect system with SST first
then switch to the mst branch during suspend, we will fail probing
topology by calling the wrong API since the mst manager is yet to
be initialized.
[How]
At dm_res... | ```diff
diff --git a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
index 2fe6520207d6..91c0188a29b2 100644
--- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
+++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
@@ -3563,6 +3563,7 @@ static int dm_resume(st... |
570a66b48c22214851949fcd71816fee280aa096 | Analyze and fix the following issue in the Linux kernel code: drm/amdgpu: Fix wait after reset sequence in S3 | Problem Details:
For a mode-1 reset done at the end of S3 on PSPv11 dGPUs, only check if
TOS is unloaded.
Fixes: 32f73741d6ee ("drm/amdgpu: Wait for bootloader after PSPv11 reset")
Closes: https://gitlab.freedesktop.org/drm/amd/-/issues/4649
Signed-off-by: Lijo Lazar <lijo.lazar@amd.com>
Acked-by: Alex Deucher <alexan... | ```diff
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c
index 61268aa82df4..7333e19291cf 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c
@@ -2632,9 +2632,14 @@ static int amdgpu_pmops_suspend_noirq(struct device *dev)
{
... |
b09cb2996cdf50cd1ab4020e002c95d742c81313 | Analyze and fix the following issue in the Linux kernel code: drm/amd: Fix suspend failure with secure display TA | Problem Details:
commit c760bcda83571 ("drm/amd: Check whether secure display TA loaded
successfully") attempted to fix extra messages, but failed to port the
cleanup that was in commit 5c6d52ff4b61e ("drm/amd: Don't try to enable
secure display TA multiple times") to prevent multiple tries.
Add that to the failure ha... | ```diff
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_psp.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_psp.c
index 8c0e5d03de50..aa7987d0806c 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_psp.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_psp.c
@@ -2355,8 +2355,11 @@ static int psp_securedisplay_initialize(struct psp_context *ps... |
ea1c4c7e648d1ca91577071fc42fdc219521098c | Analyze and fix the following issue in the Linux kernel code: leds: Drop duplicate LEDS_EXPRESSWIRE config | Problem Details:
While moving said config symbol out of the "if NEW_LEDS" block, I
accidentally left a copy inside that block. Remove it.
Reported-by: Randy Dunlap <rdunlap@infradead.org>
Closes: https://lore.kernel.org/all/b6c481bb-e854-405e-a428-90301789fe20@infradead.org/
Fixes: 2cd0d1db31e7 ("leds: expresswire: Do... | ```diff
diff --git a/drivers/leds/Kconfig b/drivers/leds/Kconfig
index eed609378ec1..11e7282dc297 100644
--- a/drivers/leds/Kconfig
+++ b/drivers/leds/Kconfig
@@ -214,10 +214,6 @@ config LEDS_EL15203000
To compile this driver as a module, choose M here: the module
will be called leds-el15203000.
-config LEDS_... |
eb6e7f520d6efa4d4ebf1671455abe4a681f7a05 | Analyze and fix the following issue in the Linux kernel code: drm/amdgpu: fix gpu page fault after hibernation on PF passthrough | Problem Details:
On PF passthrough environment, after hibernate and then resume, coralgemm
will cause gpu page fault.
Mode1 reset happens during hibernate, but partition mode is not restored
on resume, register mmCP_HYP_XCP_CTL and mmCP_PSP_XCP_CTL is not right
after resume. When CP access the MQD BO, wrong stride siz... | ```diff
diff --git a/drivers/gpu/drm/amd/amdgpu/aqua_vanjaram.c b/drivers/gpu/drm/amd/amdgpu/aqua_vanjaram.c
index 811124ff88a8..f9e2edf5260b 100644
--- a/drivers/gpu/drm/amd/amdgpu/aqua_vanjaram.c
+++ b/drivers/gpu/drm/amd/amdgpu/aqua_vanjaram.c
@@ -407,7 +407,8 @@ static int aqua_vanjaram_switch_partition_mode(struct... |
d95963e309bc1211e28051314e72638d98225614 | Analyze and fix the following issue in the Linux kernel code: backlight: ktd2801: Depend on GPIOLIB | Problem Details:
The LEDS_EXPRESSWIRE library used by the driver requires GPIOLIB. Make
sure this dependency is not left unsatisfied.
Reported-by: Randy Dunlap <rdunlap@infradead.org>
Closes: https://lore.kernel.org/all/b6c481bb-e854-405e-a428-90301789fe20@infradead.org/
Signed-off-by: Duje Mihanović <duje@dujemihanov... | ```diff
diff --git a/drivers/video/backlight/Kconfig b/drivers/video/backlight/Kconfig
index d9374d208cee..37341474beb9 100644
--- a/drivers/video/backlight/Kconfig
+++ b/drivers/video/backlight/Kconfig
@@ -185,6 +185,7 @@ config BACKLIGHT_KTD253
config BACKLIGHT_KTD2801
tristate "Backlight Driver for Kinetic KTD2... |
4dbf066d965cd3299fb396f1375d10423c9c625c | Analyze and fix the following issue in the Linux kernel code: leds: leds-cros_ec: Skip LEDs without color components | Problem Details:
A user reports that on their Lenovo Corsola Magneton with EC firmware
steelix-15194.270.0 the driver probe fails with EINVAL. It turns out
that the power LED does not contain any color components as indicated
by the following "ectool led power query" output:
Brightness range for LED 1:
red ... | ```diff
diff --git a/drivers/leds/leds-cros_ec.c b/drivers/leds/leds-cros_ec.c
index 377cf04e202a..bea3cc3fbfd2 100644
--- a/drivers/leds/leds-cros_ec.c
+++ b/drivers/leds/leds-cros_ec.c
@@ -142,9 +142,6 @@ static int cros_ec_led_count_subleds(struct device *dev,
}
}
- if (!num_subleds)
- return -EINVAL;
-
*m... |
6f15c3d715f1bf1025f88890eec7f3da210097a9 | Analyze and fix the following issue in the Linux kernel code: bitops: Update kernel-doc in hweight.c to fix the issues with it | Problem Details:
The kernel-doc in lib/hweight.c is global to the file and
currently has issues:
Warning: lib/hweight.c:13 expecting prototype for hweightN(). Prototype was for __sw_hweight32() instead
Warning: lib/hweight.c:13 function parameter 'w' not described in '__sw_hweight32'
Update it accordingly.
Signed-o... | ```diff
diff --git a/lib/hweight.c b/lib/hweight.c
index c94586b62551..0dfcafc3fd39 100644
--- a/lib/hweight.c
+++ b/lib/hweight.c
@@ -4,8 +4,8 @@
#include <asm/types.h>
/**
- * hweightN - returns the hamming weight of a N-bit word
- * @x: the word to weigh
+ * DOC: __sw_hweightN - returns the hamming weight of a N... |
a26a6c93edfeee82cb73f55e87d995eea59ddfe8 | Analyze and fix the following issue in the Linux kernel code: kbuild: Strip trailing padding bytes from modules.builtin.modinfo | Problem Details:
After commit d50f21091358 ("kbuild: align modinfo section for Secureboot
Authenticode EDK2 compat"), running modules_install with certain
versions of kmod (such as 29.1 in Ubuntu Jammy) in certain
configurations may fail with:
depmod: ERROR: kmod_builtin_iter_next: unexpected string without modname ... | ```diff
diff --git a/scripts/Makefile.vmlinux b/scripts/Makefile.vmlinux
index ced4379550d7..cd788cac9d91 100644
--- a/scripts/Makefile.vmlinux
+++ b/scripts/Makefile.vmlinux
@@ -102,11 +102,24 @@ vmlinux: vmlinux.unstripped FORCE
# modules.builtin.modinfo
# -----------------------------------------------------------... |
ecf6bc474ae97c404e2125b413eb0ef3627b03c5 | Analyze and fix the following issue in the Linux kernel code: mfd: simple-mfd-i2c: Remove select I2C_K1 from MFD_SPACEMIT_P1 | Problem Details:
select will force a symbol to a specific value without considering
its dependencies. As a result, the i2c-k1 driver will fail to build
when OF or COMMON_CLK are disabled.
The reason for removing I2C_K1 instead of adding a depends on condition
is to keep the possibility for other SoCs to use this PMIC.... | ```diff
diff --git a/drivers/mfd/Kconfig b/drivers/mfd/Kconfig
index dbeac6825a10..58bfe32453a2 100644
--- a/drivers/mfd/Kconfig
+++ b/drivers/mfd/Kconfig
@@ -1275,7 +1275,6 @@ config MFD_SPACEMIT_P1
tristate "SpacemiT P1 PMIC"
depends on ARCH_SPACEMIT || COMPILE_TEST
depends on I2C
- select I2C_K1
select MFD_S... |
a2e5a3cea4b18f6e2575acc444a5e8cce1fc8260 | Analyze and fix the following issue in the Linux kernel code: ext4: correct the checking of quota files before moving extents | Problem Details:
The move extent operation should return -EOPNOTSUPP if any of the inodes
is a quota inode, rather than requiring both to be quota inodes.
Fixes: 02749a4c2082 ("ext4: add ext4_is_quota_file()")
Signed-off-by: Zhang Yi <yi.zhang@huawei.com>
Reviewed-by: Jan Kara <jack@suse.cz>
Message-ID: <2025101301512... | ```diff
diff --git a/fs/ext4/move_extent.c b/fs/ext4/move_extent.c
index 4b091c21908f..0f4b7c89edd3 100644
--- a/fs/ext4/move_extent.c
+++ b/fs/ext4/move_extent.c
@@ -485,7 +485,7 @@ mext_check_arguments(struct inode *orig_inode,
return -ETXTBSY;
}
- if (ext4_is_quota_file(orig_inode) && ext4_is_quota_file(donor... |
3534e03e0ec2e00908765549828a69df5ebefb91 | Analyze and fix the following issue in the Linux kernel code: selftests/vsock: avoid false-positives when checking dmesg | Problem Details:
Sometimes VMs will have some intermittent dmesg warnings that are
unrelated to vsock. Change the dmesg parsing to filter on strings
containing 'vsock' to avoid false positive failures that are unrelated
to vsock. The downside is that it is possible for some vsock related
warnings to not contain the sub... | ```diff
diff --git a/tools/testing/selftests/vsock/vmtest.sh b/tools/testing/selftests/vsock/vmtest.sh
index edacebfc1632..8ceeb8a7894f 100755
--- a/tools/testing/selftests/vsock/vmtest.sh
+++ b/tools/testing/selftests/vsock/vmtest.sh
@@ -389,9 +389,9 @@ run_test() {
local rc
host_oops_cnt_before=$(dmesg | grep -... |
6640d552185f7c11235c64a832004db9af119b2d | Analyze and fix the following issue in the Linux kernel code: fs: ext4: fix uninitialized symbols | Problem Details:
Fix the issue detected by the smatch tool.
fs/ext4/inode.c:3583 ext4_map_blocks_atomic_write_slow() error: uninitialized symbol 'next_pblk'.
fs/ext4/namei.c:1776 ext4_lookup() error: uninitialized symbol 'de'.
fs/ext4/namei.c:1829 ext4_get_parent() error: uninitialized symbol 'de'.
fs/ext4/namei.c:316... | ```diff
diff --git a/fs/ext4/inode.c b/fs/ext4/inode.c
index e99306a8f47c..6356340b768d 100644
--- a/fs/ext4/inode.c
+++ b/fs/ext4/inode.c
@@ -3544,7 +3544,7 @@ static int ext4_map_blocks_atomic_write_slow(handle_t *handle,
ext4_lblk_t m_lblk = map->m_lblk;
unsigned int m_len = map->m_len;
unsigned int mapped_len... |
2977567b244f056d86658160659f06cd6c78ba3d | Analyze and fix the following issue in the Linux kernel code: wifi: ath12k: Fix timeout error during beacon stats retrieval | Problem Details:
Currently, for beacon_stats, ath12k_mac_get_fw_stats() is called
for each started BSS on the specified hardware.
ath12k_mac_get_fw_stats() will wait for the fw_stats_done completion
after fetching the requested data from firmware. For the beacon_stats,
fw_stats_done completion will be set only when sta... | ```diff
diff --git a/drivers/net/wireless/ath/ath12k/core.c b/drivers/net/wireless/ath/ath12k/core.c
index a2137b363c2f..cc352eef1939 100644
--- a/drivers/net/wireless/ath/ath12k/core.c
+++ b/drivers/net/wireless/ath/ath12k/core.c
@@ -1,7 +1,6 @@
// SPDX-License-Identifier: BSD-3-Clause-Clear
/*
* Copyright (c) 201... |
ee87c63f9b2a418f698d79c2991347e31a7d2c27 | Analyze and fix the following issue in the Linux kernel code: net: bridge: fix MST static key usage | Problem Details:
As Ido pointed out, the static key usage in MST is buggy and should use
inc/dec instead of enable/disable because we can have multiple bridges
with MST enabled which means a single bridge can disable MST for all.
Use static_branch_inc/dec to avoid that. When destroying a bridge decrement
the key if MST... | ```diff
diff --git a/net/bridge/br_if.c b/net/bridge/br_if.c
index 98c5b9c3145f..ca3a637d7cca 100644
--- a/net/bridge/br_if.c
+++ b/net/bridge/br_if.c
@@ -386,6 +386,7 @@ void br_dev_delete(struct net_device *dev, struct list_head *head)
del_nbp(p);
}
+ br_mst_uninit(br);
br_recalculate_neigh_suppress_enabled(... |
8dca36978aa80bab9d4da130c211db75c9e00048 | Analyze and fix the following issue in the Linux kernel code: net: bridge: fix use-after-free due to MST port state bypass | Problem Details:
syzbot reported[1] a use-after-free when deleting an expired fdb. It is
due to a race condition between learning still happening and a port being
deleted, after all its fdbs have been flushed. The port's state has been
toggled to disabled so no learning should happen at that time, but if we
have MST en... | ```diff
diff --git a/net/bridge/br_forward.c b/net/bridge/br_forward.c
index 870bdf2e082c..dea09096ad0f 100644
--- a/net/bridge/br_forward.c
+++ b/net/bridge/br_forward.c
@@ -25,7 +25,7 @@ static inline int should_deliver(const struct net_bridge_port *p,
vg = nbp_vlan_group_rcu(p);
return ((p->flags & BR_HAIRPIN_... |
0216721ce71252f60d89af49c8dff613358058d3 | Analyze and fix the following issue in the Linux kernel code: lan966x: Fix sleeping in atomic context | Problem Details:
The following warning was seen when we try to connect using ssh to the device.
BUG: sleeping function called from invalid context at kernel/locking/mutex.c:575
in_atomic(): 1, irqs_disabled(): 0, non_block: 0, pid: 104, name: dropbear
preempt_count: 1, expected: 0
INFO: lockdep is turned off.
CPU: 0 U... | ```diff
diff --git a/drivers/net/ethernet/microchip/lan966x/lan966x_ethtool.c b/drivers/net/ethernet/microchip/lan966x/lan966x_ethtool.c
index 2474dfd330f4..fe4e61405284 100644
--- a/drivers/net/ethernet/microchip/lan966x/lan966x_ethtool.c
+++ b/drivers/net/ethernet/microchip/lan966x/lan966x_ethtool.c
@@ -294,7 +294,7 ... |
9065b968752334f972e0d48e50c4463a172fc2a7 | Analyze and fix the following issue in the Linux kernel code: wifi: ath11k: zero init info->status in wmi_process_mgmt_tx_comp() | Problem Details:
When reporting tx completion using ieee80211_tx_status_xxx() family of
functions, the status part of the struct ieee80211_tx_info nested in the
skb is used to report things like transmit rates & retry count to mac80211
On the TX data path, this is correctly memset to 0 before calling
ieee80211_tx_stat... | ```diff
diff --git a/drivers/net/wireless/ath/ath11k/wmi.c b/drivers/net/wireless/ath/ath11k/wmi.c
index 0491e3fd6b5e..e3b444333dee 100644
--- a/drivers/net/wireless/ath/ath11k/wmi.c
+++ b/drivers/net/wireless/ath/ath11k/wmi.c
@@ -5961,6 +5961,9 @@ static int wmi_process_mgmt_tx_comp(struct ath11k *ar,
dma_unmap_sing... |
067bf016e99ad72aa4ff869d6dec1fd62a9c6202 | Analyze and fix the following issue in the Linux kernel code: bonding: fix NULL pointer dereference in actor_port_prio setting | Problem Details:
Liang reported an issue where setting a slave’s actor_port_prio to
predefined values such as 0, 255, or 65535 would cause a system crash.
The problem occurs because in bond_opt_parse(), when the provided value
matches a predefined table entry, the function returns that table entry,
which does not cont... | ```diff
diff --git a/drivers/net/bonding/bond_options.c b/drivers/net/bonding/bond_options.c
index 495a87f2ea7c..384499c869b8 100644
--- a/drivers/net/bonding/bond_options.c
+++ b/drivers/net/bonding/bond_options.c
@@ -225,13 +225,6 @@ static const struct bond_opt_value bond_ad_actor_sys_prio_tbl[] = {
{ NULL, -... |
96baf482ca1f69f0da9d10a5bd8422c87ea9039e | Analyze and fix the following issue in the Linux kernel code: net: dsa: microchip: Fix reserved multicast address table programming | Problem Details:
KSZ9477/KSZ9897 and LAN937X families of switches use a reserved multicast
address table for some specific forwarding with some multicast addresses,
like the one used in STP. The hardware assumes the host port is the last
port in KSZ9897 family and port 5 in LAN937X family. Most of the time
this assum... | ```diff
diff --git a/drivers/net/dsa/microchip/ksz9477.c b/drivers/net/dsa/microchip/ksz9477.c
index d747ea1c41a7..5df8f153d511 100644
--- a/drivers/net/dsa/microchip/ksz9477.c
+++ b/drivers/net/dsa/microchip/ksz9477.c
@@ -1355,9 +1355,15 @@ void ksz9477_config_cpu_port(struct dsa_switch *ds)
}
}
+#define RESV_MCA... |
541414065c59db785000d7661d3d07184e104ec2 | Analyze and fix the following issue in the Linux kernel code: drm/amdgpu: skip writing eeprom when PMFW manages RAS data | Problem Details:
Only update bad page number in legacy eeprom write path.
v2: add null pointer check for con.
Signed-off-by: Tao Zhou <tao.zhou1@amd.com>
Reviewed-by: Hawking Zhang <Hawking.Zhang@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com> | ```diff
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_ras_eeprom.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_ras_eeprom.c
index 9854238ce7bf..670c0dedf4e9 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_ras_eeprom.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_ras_eeprom.c
@@ -871,6 +871,18 @@ Out:
return res;
}
+int amdgpu_... |
62320fb8d91a0bddc44a228203cfa9bfbb5395bd | Analyze and fix the following issue in the Linux kernel code: drm/amd/display: Enable mst when it's detected but yet to be initialized | Problem Details:
[Why]
drm_dp_mst_topology_queue_probe() is used under the assumption that
mst is already initialized. If we connect system with SST first
then switch to the mst branch during suspend, we will fail probing
topology by calling the wrong API since the mst manager is yet to
be initialized.
[How]
At dm_res... | ```diff
diff --git a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
index 5f090c13f224..18f1cf16ec18 100644
--- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
+++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
@@ -3624,6 +3624,7 @@ static int dm_resume(st... |
1ad25fd272753db14c5d1cc8c68e20ce01f3f888 | Analyze and fix the following issue in the Linux kernel code: drm/amdgpu: Fix wait after reset sequence in S3 | Problem Details:
For a mode-1 reset done at the end of S3 on PSPv11 dGPUs, only check if
TOS is unloaded.
Fixes: 32f73741d6ee ("drm/amdgpu: Wait for bootloader after PSPv11 reset")
Closes: https://gitlab.freedesktop.org/drm/amd/-/issues/4649
Signed-off-by: Lijo Lazar <lijo.lazar@amd.com>
Acked-by: Alex Deucher <alexan... | ```diff
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c
index 3776901bbb1b..cb522d6272d6 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c
@@ -2625,9 +2625,14 @@ static int amdgpu_pmops_suspend_noirq(struct device *dev)
{
... |
7f34ddf77d30959fcc24cd279074f7e0d4f732df | Analyze and fix the following issue in the Linux kernel code: drm/amdgpu: add ras_eeprom_read_idx interface | Problem Details:
PMFW will manage RAS eeprom data by itself, add new interface to read
eeprom data via PMFW, we can read part of records by setting index.
v2: use IPID parse interface.
pa is not used and set it to a fixed value.
v3: optimize the null pointer check for IPID parse interface.
Signed-off-by: Tao Zhou... | ```diff
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_ras_eeprom.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_ras_eeprom.c
index d7e2a81bc274..9854238ce7bf 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_ras_eeprom.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_ras_eeprom.c
@@ -970,6 +970,50 @@ static int __amdgpu_ras_eeprom_read(... |
4104c0a454f6a4d1e0d14895d03c0e7bdd0c8240 | Analyze and fix the following issue in the Linux kernel code: drm/amd: Fix suspend failure with secure display TA | Problem Details:
commit c760bcda83571 ("drm/amd: Check whether secure display TA loaded
successfully") attempted to fix extra messages, but failed to port the
cleanup that was in commit 5c6d52ff4b61e ("drm/amd: Don't try to enable
secure display TA multiple times") to prevent multiple tries.
Add that to the failure ha... | ```diff
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_psp.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_psp.c
index 8c0e5d03de50..aa7987d0806c 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_psp.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_psp.c
@@ -2355,8 +2355,11 @@ static int psp_securedisplay_initialize(struct psp_context *ps... |
be031770bfc1662e773e2dfc696f1a0c1401f300 | Analyze and fix the following issue in the Linux kernel code: drm/amd/ras: Fix the issue of incorrect function call | Problem Details:
When amdgpu_device_health_check fails, amdgpu_ras_pre_reset
will not be called and therefore amdgpu_ras_post_reset
cannot be called either.
Signed-off-by: YiPeng Chai <YiPeng.Chai@amd.com>
Reviewed-by: Hawking Zhang <Hawking.Zhang@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com> | ```diff
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
index dcf6fce1c5a2..86255c13fbb7 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
@@ -6694,8 +6694,8 @@ skip_sched_resume:
amdgpu_device_gpu_resume(adev,... |
5d1b32cfe4a676fe552416cb5ae847b215463a1a | Analyze and fix the following issue in the Linux kernel code: drm/amdgpu: fix gpu page fault after hibernation on PF passthrough | Problem Details:
On PF passthrough environment, after hibernate and then resume, coralgemm
will cause gpu page fault.
Mode1 reset happens during hibernate, but partition mode is not restored
on resume, register mmCP_HYP_XCP_CTL and mmCP_PSP_XCP_CTL is not right
after resume. When CP access the MQD BO, wrong stride siz... | ```diff
diff --git a/drivers/gpu/drm/amd/amdgpu/aqua_vanjaram.c b/drivers/gpu/drm/amd/amdgpu/aqua_vanjaram.c
index 811124ff88a8..f9e2edf5260b 100644
--- a/drivers/gpu/drm/amd/amdgpu/aqua_vanjaram.c
+++ b/drivers/gpu/drm/amd/amdgpu/aqua_vanjaram.c
@@ -407,7 +407,8 @@ static int aqua_vanjaram_switch_partition_mode(struct... |
0cc4b846159184892f4210c440daeb97cbe9583a | Analyze and fix the following issue in the Linux kernel code: s390/ctcm: Use info level for handshake UC_RCRESET | Problem Details:
CTC adapter throws CTC_EVENT_UC_RCRESET (Unit check remote reset event)
during initial handshake, if the peer is not ready yet. This causes the
ctcm driver to re-attempt the handshake.
As it is normal for the event to occur during initialization, use info
instead of warn level in kernel log and NOTICE... | ```diff
diff --git a/drivers/s390/net/ctcm_fsms.c b/drivers/s390/net/ctcm_fsms.c
index 9678c6a2cda7..1a48258b63b2 100644
--- a/drivers/s390/net/ctcm_fsms.c
+++ b/drivers/s390/net/ctcm_fsms.c
@@ -882,6 +882,13 @@ static void ctcm_chx_rxiniterr(fsm_instance *fi, int event, void *arg)
fsm_newstate(fi, CTC_STATE_RXERR)... |
32ed0bc2f0f8ce411a822531c71b49fa93608b37 | Analyze and fix the following issue in the Linux kernel code: KVM: VMX: Ensure guest's SPEC_CTRL[63:32] is loaded on VM-Enter | Problem Details:
SPEC_CTRL is an MSR, i.e. a 64-bit value, but the assembly code that loads
the guest's value assumes bits 63:32 are always zero. The bug is
_currently_ benign because neither KVM nor the kernel support setting any
of bits 63:32, but it's still a bug that needs to be fixed.
Note, the host's value is r... | ```diff
diff --git a/arch/x86/kvm/vmx/vmenter.S b/arch/x86/kvm/vmx/vmenter.S
index bc255d709d8a..574159a84ee9 100644
--- a/arch/x86/kvm/vmx/vmenter.S
+++ b/arch/x86/kvm/vmx/vmenter.S
@@ -118,13 +118,23 @@ SYM_FUNC_START(__vmx_vcpu_run)
* and vmentry.
*/
mov 2*WORD_SIZE(%_ASM_SP), %_ASM_DI
- movl VMX_spec_ctrl(%... |
d0164c161923ac303bd843e04ebe95cfd03c6e19 | Analyze and fix the following issue in the Linux kernel code: KVM: VMX: Fix check for valid GVA on an EPT violation | Problem Details:
On an EPT violation, bit 7 of the exit qualification is set if the
guest linear-address is valid. The derived page fault error code
should not be checked for this bit.
Fixes: f3009482512e ("KVM: VMX: Set PFERR_GUEST_{FINAL,PAGE}_MASK if and only if the GVA is valid")
Cc: stable@vger.kernel.org
Signed-... | ```diff
diff --git a/arch/x86/kvm/vmx/common.h b/arch/x86/kvm/vmx/common.h
index bc5ece76533a..412d0829d7a2 100644
--- a/arch/x86/kvm/vmx/common.h
+++ b/arch/x86/kvm/vmx/common.h
@@ -98,7 +98,7 @@ static inline int __vmx_handle_ept_violation(struct kvm_vcpu *vcpu, gpa_t gpa,
error_code |= (exit_qualification & EPT_VI... |
2bac49bad1f3553cc3b3bfb22cc194e9bd9e8427 | Analyze and fix the following issue in the Linux kernel code: mfd: max77620: Fix potential IRQ chip conflict when probing two devices | Problem Details:
MAX77620 is most likely always a single device on the board, however
nothing stops board designers to have two of them, thus same device
driver could probe twice. Or user could manually try to probing second
time.
Device driver is not ready for that case, because it allocates
statically 'struct regmap... | ```diff
diff --git a/drivers/mfd/max77620.c b/drivers/mfd/max77620.c
index 21d2ab3db254..3af2974b3023 100644
--- a/drivers/mfd/max77620.c
+++ b/drivers/mfd/max77620.c
@@ -254,7 +254,7 @@ static int max77620_irq_global_unmask(void *irq_drv_data)
return ret;
}
-static struct regmap_irq_chip max77620_top_irq_chip = {... |
1b58acfd067ca16116b9234cd6b2d30cc8ab7502 | Analyze and fix the following issue in the Linux kernel code: mfd: da9055: Fix missing regmap_del_irq_chip() in error path | Problem Details:
When da9055_device_init() fails after regmap_add_irq_chip()
succeeds but mfd_add_devices() fails, the error handling path
only calls mfd_remove_devices() but forgets to call
regmap_del_irq_chip(). This results in a resource leak.
Fix this by adding regmap_del_irq_chip() to the error path so
that resou... | ```diff
diff --git a/drivers/mfd/da9055-core.c b/drivers/mfd/da9055-core.c
index 1f727ef60d63..8c989b74f924 100644
--- a/drivers/mfd/da9055-core.c
+++ b/drivers/mfd/da9055-core.c
@@ -388,6 +388,7 @@ int da9055_device_init(struct da9055 *da9055)
err:
mfd_remove_devices(da9055->dev);
+ regmap_del_irq_chip(da9055->ch... |
c19e675a3c82aeee99f7007f6cfbd5b292167cbb | Analyze and fix the following issue in the Linux kernel code: dt-bindings: mfd: Add Renesas R2A11302FT PMIC | Problem Details:
This PMIC is referenced in upstream DTs for the Renesas Lager and
Koelsch boards. Sadly, there is no documentation available. This minimal
binding description states the facts that we do know.
Fixes:
arch/arm/boot/dts/renesas/r8a7790-lager.dtb: /soc/spi@e6e10000/pmic@0: failed to match any schema with... | ```diff
diff --git a/Documentation/devicetree/bindings/mfd/renesas,r2a11302ft.yaml b/Documentation/devicetree/bindings/mfd/renesas,r2a11302ft.yaml
new file mode 100644
index 000000000000..7b96619ebd8c
--- /dev/null
+++ b/Documentation/devicetree/bindings/mfd/renesas,r2a11302ft.yaml
@@ -0,0 +1,58 @@
+# SPDX-License-Iden... |
ccb7cd3218e48665f3c7e19eede0da5f069c323d | Analyze and fix the following issue in the Linux kernel code: mfd: altera-sysmgr: Fix device leak on sysmgr regmap lookup | Problem Details:
Make sure to drop the reference taken to the sysmgr platform device when
retrieving its driver data.
Note that holding a reference to a device does not prevent its driver
data from going away.
Fixes: f36e789a1f8d ("mfd: altera-sysmgr: Add SOCFPGA System Manager")
Cc: stable@vger.kernel.org # 5.2
Sign... | ```diff
diff --git a/drivers/mfd/altera-sysmgr.c b/drivers/mfd/altera-sysmgr.c
index fb5f988e61f3..90c6902d537d 100644
--- a/drivers/mfd/altera-sysmgr.c
+++ b/drivers/mfd/altera-sysmgr.c
@@ -117,6 +117,8 @@ struct regmap *altr_sysmgr_regmap_lookup_by_phandle(struct device_node *np,
sysmgr = dev_get_drvdata(dev);
... |
c1287d67c3a91aa19e4d9bbd3ad943cfbfa6bed4 | Analyze and fix the following issue in the Linux kernel code: s390/sclp_mem: Consider global memory_hotplug.memmap_on_memory setting | Problem Details:
When the global kernel command line parameter
memory_hotplug.memmap_on_memory is set to false, per-memory-block
memmap_on_memory setting can still be set to true. However, when
configuring memory block, add_memory_resource() would configure it
without memmap_on_memory.
i.e.
Even if the MHP_MEMMAP_ON_M... | ```diff
diff --git a/drivers/s390/char/sclp_mem.c b/drivers/s390/char/sclp_mem.c
index 3a7a69615d99..bc515a24b3f2 100644
--- a/drivers/s390/char/sclp_mem.c
+++ b/drivers/s390/char/sclp_mem.c
@@ -275,6 +275,8 @@ static ssize_t sclp_memmap_on_memory_store(struct kobject *kobj, struct kobj_att
rc = kstrtobool(buf, &valu... |
858063c1aec837a7a500db9bd13145a17b0b7641 | Analyze and fix the following issue in the Linux kernel code: s390: Fix double word in comments | Problem Details:
Remove the repeated word "the" in comments.
Signed-off-by: Bo Liu <liubo03@inspur.com>
Signed-off-by: Heiko Carstens <hca@linux.ibm.com> | ```diff
diff --git a/arch/s390/kernel/perf_cpum_sf.c b/arch/s390/kernel/perf_cpum_sf.c
index f432869f8921..bf816b134fb1 100644
--- a/arch/s390/kernel/perf_cpum_sf.c
+++ b/arch/s390/kernel/perf_cpum_sf.c
@@ -1093,7 +1093,7 @@ static void perf_event_count_update(struct perf_event *event, u64 count)
* combined-sampling ... |
84f5526e4dce0a44d050ceb1b1bf21d43016d91b | Analyze and fix the following issue in the Linux kernel code: ASoC: tas2783A: Fix issues in firmware parsing | Problem Details:
During firmware download, if the size of the firmware is too small,
it wrongly assumes the firmware download is successful. If there is
size mismatch with chunk's header, invalid memory is accessed.
Fix these issues by throwing error during these cases.
Fixes: 4cc9bd8d7b32 (ASoc: tas2783A: Add soundwi... | ```diff
diff --git a/sound/soc/codecs/tas2783-sdw.c b/sound/soc/codecs/tas2783-sdw.c
index 1fb4227b711e..e273b80d033e 100644
--- a/sound/soc/codecs/tas2783-sdw.c
+++ b/sound/soc/codecs/tas2783-sdw.c
@@ -762,10 +762,17 @@ static void tas2783_fw_ready(const struct firmware *fmw, void *context)
goto out;
}
- mutex_... |
1a58d865f423f4339edf59053e496089075fa950 | Analyze and fix the following issue in the Linux kernel code: ASoC: sdw_utils: fix device reference leak in is_sdca_endpoint_present() | Problem Details:
The bus_find_device_by_name() function returns a device pointer with an
incremented reference count, but the original code was missing put_device()
calls in some return paths, leading to reference count leaks.
Fix this by ensuring put_device() is called before function exit after
bus_find_device_by_... | ```diff
diff --git a/sound/soc/sdw_utils/soc_sdw_utils.c b/sound/soc/sdw_utils/soc_sdw_utils.c
index f7c8c16308de..3848c7df1916 100644
--- a/sound/soc/sdw_utils/soc_sdw_utils.c
+++ b/sound/soc/sdw_utils/soc_sdw_utils.c
@@ -1277,7 +1277,7 @@ static int is_sdca_endpoint_present(struct device *dev,
struct sdw_slave *sla... |
6b6eddc63ce871897d3a5bc4f8f593e698aef104 | Analyze and fix the following issue in the Linux kernel code: ASoC: cs4271: Fix regulator leak on probe failure | Problem Details:
The probe function enables regulators at the beginning
but fails to disable them in its error handling path.
If any operation after enabling the regulators fails,
the probe will exit with an error, leaving the regulators
permanently enabled, which could lead to a resource leak.
Add a proper error hand... | ```diff
diff --git a/sound/soc/codecs/cs4271.c b/sound/soc/codecs/cs4271.c
index 6a3cca3d26c7..ead447a5da7f 100644
--- a/sound/soc/codecs/cs4271.c
+++ b/sound/soc/codecs/cs4271.c
@@ -581,17 +581,17 @@ static int cs4271_component_probe(struct snd_soc_component *component)
ret = regcache_sync(cs4271->regmap);
if (r... |
6bd1ad97eb790570c167d4de4ca59fbc9c33722a | Analyze and fix the following issue in the Linux kernel code: regulator: pf9453: Fix kernel doc for mux_poll() | Problem Details:
The validator is not happy:
Warning: drivers/regulator/pf9453-regulator.c:303 This comment starts with '/**', but isn't a kernel-doc comment. Refer Documentation/doc-guide/kernel-doc.rst
Update the kernel-doc accordingly.
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Link: https... | ```diff
diff --git a/drivers/regulator/pf9453-regulator.c b/drivers/regulator/pf9453-regulator.c
index 4cd7a9068836..cdb80f9d1bd7 100644
--- a/drivers/regulator/pf9453-regulator.c
+++ b/drivers/regulator/pf9453-regulator.c
@@ -289,13 +289,15 @@ static int pf9453_pmic_write(struct pf9453 *pf9453, unsigned int reg, u8 ma... |
5246e3673eeeccb4f5bf4f42375dd495d465ac15 | Analyze and fix the following issue in the Linux kernel code: leds: leds-lp50xx: LP5009 supports 3 modules for a total of 9 LEDs | Problem Details:
LP5009 supports 9 LED outputs that are grouped into 3 modules.
Cc: stable@vger.kernel.org
Fixes: 242b81170fb8 ("leds: lp50xx: Add the LP50XX family of the RGB LED driver")
Signed-off-by: Christian Hitz <christian.hitz@bbv.ch>
Link: https://patch.msgid.link/20251022063305.972190-1-christian@klarinett.l... | ```diff
diff --git a/drivers/leds/leds-lp50xx.c b/drivers/leds/leds-lp50xx.c
index d50c7f3e8f99..3a0316be96ed 100644
--- a/drivers/leds/leds-lp50xx.c
+++ b/drivers/leds/leds-lp50xx.c
@@ -54,7 +54,7 @@
/* There are 3 LED outputs per bank */
#define LP50XX_LEDS_PER_MODULE 3
-#define LP5009_MAX_LED_MODULES 2
+#define ... |
b750f5a9d64df6cfe9103c7feb7314694318818d | Analyze and fix the following issue in the Linux kernel code: drm/tiny: pixpaper: add explicit dependency on MMU | Problem Details:
The DRM_GEM_SHMEM_HELPER helper requires MMU enabled because it uses
vmf_insert_pfn() in its mmap implementation. On NOMMU configurations
(e.g. some RISC-V randconfig builds), this symbol is unavailable and
selecting DRM_GEM_SHMEM_HELPER causes a modpost undefined reference:
ERROR: modpost: "vmf_i... | ```diff
diff --git a/drivers/gpu/drm/tiny/Kconfig b/drivers/gpu/drm/tiny/Kconfig
index 7d9e85e932d7..f0e72d4b6a47 100644
--- a/drivers/gpu/drm/tiny/Kconfig
+++ b/drivers/gpu/drm/tiny/Kconfig
@@ -85,6 +85,7 @@ config DRM_PANEL_MIPI_DBI
config DRM_PIXPAPER
tristate "DRM support for PIXPAPER display panels"
... |
f945afe01c6768dcfed7868c671a26e1164c2284 | Analyze and fix the following issue in the Linux kernel code: platform/x86/amd: pmc: Add Lenovo Legion Go 2 to pmc quirk list | Problem Details:
The Lenovo Legion Go 2 takes a long time to resume from suspend.
This is due to it having an nvme resume handler that interferes
with IOMMU mappings. It is a common issue with older Lenovo
laptops. Adding it to that quirk list fixes this issue.
Closes: https://gitlab.freedesktop.org/drm/amd/-/issues/4... | ```diff
diff --git a/drivers/platform/x86/amd/pmc/pmc-quirks.c b/drivers/platform/x86/amd/pmc/pmc-quirks.c
index eb641ce0e982..404e62ad293a 100644
--- a/drivers/platform/x86/amd/pmc/pmc-quirks.c
+++ b/drivers/platform/x86/amd/pmc/pmc-quirks.c
@@ -212,6 +212,23 @@ static const struct dmi_system_id fwbug_list[] = {
D... |
bd4f9f113dda07293ed4002a17d14f62121d324f | Analyze and fix the following issue in the Linux kernel code: platform/x86: alienware-wmi-wmax: Fix "Alienware m16 R1 AMD" quirk order | Problem Details:
Quirks are matched using dmi_first_match(), therefore move the
"Alienware m16 R1 AMD" entry above other m16 entries.
Reported-by: Cihan Ozakca <cozakca@outlook.com>
Fixes: e2468dc70074 ("Revert "platform/x86: alienware-wmi-wmax: Add G-Mode support to Alienware m16 R1"")
Cc: stable@vger.kernel.org
Sign... | ```diff
diff --git a/drivers/platform/x86/dell/alienware-wmi-wmax.c b/drivers/platform/x86/dell/alienware-wmi-wmax.c
index f417dcc9af35..53f476604269 100644
--- a/drivers/platform/x86/dell/alienware-wmi-wmax.c
+++ b/drivers/platform/x86/dell/alienware-wmi-wmax.c
@@ -122,20 +122,20 @@ static const struct dmi_system_id a... |
5f20bc206beb902e32b77216cb7935b46ca00b0a | Analyze and fix the following issue in the Linux kernel code: platform/x86: ISST: isst_if.h: fix all kernel-doc warnings | Problem Details:
Fix all kernel-doc warnings in <uapi/linux/isst_if.h>:
- don't use "[]" in the variable name in kernel-doc
- add a few missing entries
- change "power_domain" to "power_domain_id" in kernel-doc to match
the struct member name
- add a leading '@' on a few existing kernel-doc lines
- use '_' instead o... | ```diff
diff --git a/include/uapi/linux/isst_if.h b/include/uapi/linux/isst_if.h
index 8197a4800604..40aa545101a3 100644
--- a/include/uapi/linux/isst_if.h
+++ b/include/uapi/linux/isst_if.h
@@ -52,7 +52,7 @@ struct isst_if_cpu_map {
/**
* struct isst_if_cpu_maps - structure for CPU map IOCTL
* @cmd_count: Number ... |
b4fbb13db86adb0bae1d7f968b61ea8dc9635e33 | Analyze and fix the following issue in the Linux kernel code: media: qcom: camss: Add support for MSM8939 | Problem Details:
The camera subsystem for the MSM8939 is the same as MSM8916 except with
3 CSID instead of 2, and some higher clock rates.
As a quirk, this SoC needs writing values to 2 VFE VBIF registers
(see downstream msm8939-camera.dtsi vbif-{regs,settings} properties).
This fixes black stripes across sensor and g... | ```diff
diff --git a/drivers/media/platform/qcom/camss/camss-csiphy.c b/drivers/media/platform/qcom/camss/camss-csiphy.c
index 2de97f58f9ae..a734fb7dde0a 100644
--- a/drivers/media/platform/qcom/camss/camss-csiphy.c
+++ b/drivers/media/platform/qcom/camss/camss-csiphy.c
@@ -600,6 +600,7 @@ int msm_csiphy_subdev_init(st... |
52862dc98932fff8fc3da6e3c12594f389cc892e | Analyze and fix the following issue in the Linux kernel code: media: dt-bindings: qcom,x1e80100-camss: Fix typo in CSIPHY supply description | Problem Details:
Correct description of the CSIPHY 1.2 V supply
("vdd-csiphy-1p2-supply"), because it supplies 1.2 V, confirmed with DTS
on the mailing lists.
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Acked-by: Rob Herring (Arm) <robh@kernel.org>
Acked-by: Bryan O'Donoghue <bryan.odonoghue@li... | ```diff
diff --git a/Documentation/devicetree/bindings/media/qcom,x1e80100-camss.yaml b/Documentation/devicetree/bindings/media/qcom,x1e80100-camss.yaml
index b075341caafc..b87a13479a4b 100644
--- a/Documentation/devicetree/bindings/media/qcom,x1e80100-camss.yaml
+++ b/Documentation/devicetree/bindings/media/qcom,x1e80... |
4cb5ac2626b5704ed712ac1d46b9d89fdfc12c5d | Analyze and fix the following issue in the Linux kernel code: futex: Optimize per-cpu reference counting | Problem Details:
Shrikanth noted that the per-cpu reference counter was still some 10%
slower than the old immutable option (which removes the reference
counting entirely).
Further optimize the per-cpu reference counter by:
- switching from RCU to preempt;
- using __this_cpu_*() since we now have preempt disabled;
... | ```diff
diff --git a/kernel/futex/core.c b/kernel/futex/core.c
index 125804fbb5cb..2e77a6e5c865 100644
--- a/kernel/futex/core.c
+++ b/kernel/futex/core.c
@@ -1680,10 +1680,10 @@ static bool futex_ref_get(struct futex_private_hash *fph)
{
struct mm_struct *mm = fph->mm;
- guard(rcu)();
+ guard(preempt)();
- if (... |
956dfda6a70885f18c0f8236a461aa2bc4f556ad | Analyze and fix the following issue in the Linux kernel code: sched/fair: Prevent cfs_rq from being unthrottled with zero runtime_remaining | Problem Details:
When a cfs_rq is to be throttled, its limbo list should be empty and
that's why there is a warn in tg_throttle_down() for non empty
cfs_rq->throttled_limbo_list.
When running a test with the following hierarchy:
root
/ \
A* ...
/ | \ ...
B
/ ... | ```diff
diff --git a/kernel/sched/core.c b/kernel/sched/core.c
index f1ebf67b48e2..f754a60de848 100644
--- a/kernel/sched/core.c
+++ b/kernel/sched/core.c
@@ -9606,7 +9606,7 @@ static int tg_set_cfs_bandwidth(struct task_group *tg,
guard(rq_lock_irq)(rq);
cfs_rq->runtime_enabled = runtime_enabled;
- cfs_rq->ru... |
82420bd4e17bdaba8453fbf9e10c58c9ed0c9727 | Analyze and fix the following issue in the Linux kernel code: ALSA: hda/hdmi: Fix breakage at probing nvhdmi-mcp driver | Problem Details:
After restructuring and splitting the HDMI codec driver code, each
HDMI codec driver contains the own build_controls and build_pcms ops.
A copy-n-paste error put the wrong entries for nvhdmi-mcp driver; both
build_controls and build_pcms are swapped. Unfortunately both
callbacks have the very same for... | ```diff
diff --git a/sound/hda/codecs/hdmi/nvhdmi-mcp.c b/sound/hda/codecs/hdmi/nvhdmi-mcp.c
index 8fd8d76fa72f..1c5fdfe872f2 100644
--- a/sound/hda/codecs/hdmi/nvhdmi-mcp.c
+++ b/sound/hda/codecs/hdmi/nvhdmi-mcp.c
@@ -350,8 +350,8 @@ static int nvhdmi_mcp_probe(struct hda_codec *codec,
static const struct hda_codec_o... |
3ca8b2668ca5a410c23a7a7932cc406ebbb89ab2 | Analyze and fix the following issue in the Linux kernel code: drm/ttm: Fix @alloc_flags description | Problem Details:
Stephen Rothwell reports htmldocs warnings when merging drm-misc tree:
Documentation/gpu/drm-mm:40: include/drm/ttm/ttm_device.h:225: ERROR: Unknown target name: "ttm_allocation". [docutils]
Documentation/gpu/drm-mm:43: drivers/gpu/drm/ttm/ttm_device.c:202: ERROR: Unknown target name: "ttm_allocation"... | ```diff
diff --git a/drivers/gpu/drm/ttm/ttm_device.c b/drivers/gpu/drm/ttm/ttm_device.c
index 5c10e5fbf43b..9a51afaf0749 100644
--- a/drivers/gpu/drm/ttm/ttm_device.c
+++ b/drivers/gpu/drm/ttm/ttm_device.c
@@ -199,7 +199,7 @@ EXPORT_SYMBOL(ttm_device_swapout);
* @dev: The core kernel device pointer for DMA mappings ... |
ad699fa78b59241c9d71a8cafb51525f3dab04d4 | Analyze and fix the following issue in the Linux kernel code: media: iris: Add sanity check for stop streaming | Problem Details:
Add sanity check in iris_vb2_stop_streaming. If inst->state is
already IRIS_INST_ERROR, we should skip the stream_off operation
because it would still send packets to the firmware.
In iris_kill_session, inst->state is set to IRIS_INST_ERROR and
session_close is executed, which will kfree(inst_hfi_gen2... | ```diff
diff --git a/drivers/media/platform/qcom/iris/iris_vb2.c b/drivers/media/platform/qcom/iris/iris_vb2.c
index 139b821f7952..db8768d8a8f6 100644
--- a/drivers/media/platform/qcom/iris/iris_vb2.c
+++ b/drivers/media/platform/qcom/iris/iris_vb2.c
@@ -231,6 +231,8 @@ void iris_vb2_stop_streaming(struct vb2_queue *q)... |
aec75e355c633e4b0967c99580bd8ef93e0cdc98 | Analyze and fix the following issue in the Linux kernel code: media: iris: Refine internal buffer reconfiguration logic for resolution change | Problem Details:
Improve the condition used to determine when input internal buffers need
to be reconfigured during streamon on the capture port. Previously, the
check relied on the INPUT_PAUSE sub-state, which was also being set
during seek operations. This led to input buffers being queued multiple
times to the firmw... | ```diff
diff --git a/drivers/media/platform/qcom/iris/iris_common.c b/drivers/media/platform/qcom/iris/iris_common.c
index 9fc663bdaf3f..7f1c7fe144f7 100644
--- a/drivers/media/platform/qcom/iris/iris_common.c
+++ b/drivers/media/platform/qcom/iris/iris_common.c
@@ -91,12 +91,14 @@ int iris_process_streamon_input(struc... |
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