id stringlengths 40 40 | instruction stringlengths 68 308 | input stringlengths 17 33.4k | output stringlengths 100 30k |
|---|---|---|---|
1921044eebf1d6861a6de1a76e3f63729a45e712 | Analyze and fix the following issue in the Linux kernel code: lib/kstrtox: fix kstrtobool() docstring to mention enabled/disabled | Problem Details:
Commit ae5b3500856f ("kstrtox: add support for enabled and disabled in
kstrtobool()") added support for 'e'/'E' (enabled) and 'd'/'D' (disabled)
inputs, but did not update the docstring accordingly.
Update the docstring to include 'Ee' (for true) and 'Dd' (for false) in
the list of accepted first char... | ```diff
diff --git a/lib/kstrtox.c b/lib/kstrtox.c
index bdde40cd69d7..97be2a39f537 100644
--- a/lib/kstrtox.c
+++ b/lib/kstrtox.c
@@ -340,8 +340,8 @@ EXPORT_SYMBOL(kstrtos8);
* @s: input string
* @res: result
*
- * This routine returns 0 iff the first character is one of 'YyTt1NnFf0', or
- * [oO][NnFf] for "on" ... |
c243413740b39b0cf0a88732de5efc2b45716d81 | Analyze and fix the following issue in the Linux kernel code: kfifo: fix kmalloc_array_node() argument order | Problem Details:
To be consistent, pass the kmalloc_array_node() parameters in the order
(number_of_elements, element_size). Since only the product of the two
values is used, this is not a bug fix.
Link: https://lkml.kernel.org/r/20251220054541.2295599-1-rdunlap@infradead.org
Closes: https://bugzilla.kernel.org/show_... | ```diff
diff --git a/lib/kfifo.c b/lib/kfifo.c
index 525e66f8294c..2633f9cc336c 100644
--- a/lib/kfifo.c
+++ b/lib/kfifo.c
@@ -41,7 +41,7 @@ int __kfifo_alloc_node(struct __kfifo *fifo, unsigned int size,
return -EINVAL;
}
- fifo->data = kmalloc_array_node(esize, size, gfp_mask, node);
+ fifo->data = kmalloc_arr... |
bd58782995a2e6a07fd07255f3cc319f40b131c9 | Analyze and fix the following issue in the Linux kernel code: vmcoreinfo: make hwerr_data visible for debugging | Problem Details:
If the kernel is compiled with LTO, hwerr_data symbol might be lost, and
vmcoreinfo doesn't have it dumped. This is currently seen in some
production kernels with LTO enabled.
Remove the static qualifier from hwerr_data so that the information is
still preserved when the kernel is built with LTO. Ma... | ```diff
diff --git a/kernel/vmcore_info.c b/kernel/vmcore_info.c
index fe9bf8db1922..e2784038bbed 100644
--- a/kernel/vmcore_info.c
+++ b/kernel/vmcore_info.c
@@ -36,7 +36,11 @@ struct hwerr_info {
time64_t timestamp;
};
-static struct hwerr_info hwerr_data[HWERR_RECOV_MAX];
+/*
+ * The hwerr_data[] array is decla... |
12b2285bf3d14372238d36215b73af02ac3bdfc1 | Analyze and fix the following issue in the Linux kernel code: mm/zone_device: reinitialize large zone device private folios | Problem Details:
Reinitialize metadata for large zone device private folios in
zone_device_page_init prior to creating a higher-order zone device private
folio. This step is necessary when the folio's order changes dynamically
between zone_device_page_init calls to avoid building a corrupt folio. As
part of the metad... | ```diff
diff --git a/arch/powerpc/kvm/book3s_hv_uvmem.c b/arch/powerpc/kvm/book3s_hv_uvmem.c
index e5000bef90f2..7cf9310de0ec 100644
--- a/arch/powerpc/kvm/book3s_hv_uvmem.c
+++ b/arch/powerpc/kvm/book3s_hv_uvmem.c
@@ -723,7 +723,7 @@ static struct page *kvmppc_uvmem_get_page(unsigned long gpa, struct kvm *kvm)
dpa... |
cbbbf7795fc35a740e1d09f3a55aba543b72a8d3 | Analyze and fix the following issue in the Linux kernel code: mm/mm_init: don't cond_resched() in deferred_init_memmap_chunk() if called from deferred_grow_zone() | Problem Details:
Commit 3acb913c9d5b ("mm/mm_init: use deferred_init_memmap_chunk() in
deferred_grow_zone()") made deferred_grow_zone() call
deferred_init_memmap_chunk() within a pgdat_resize_lock() critical section
with irqs disabled. It did check for irqs_disabled() in
deferred_init_memmap_chunk() to avoid calling c... | ```diff
diff --git a/mm/mm_init.c b/mm/mm_init.c
index fc2a6f1e518f..2a809cd8e7fa 100644
--- a/mm/mm_init.c
+++ b/mm/mm_init.c
@@ -2059,7 +2059,7 @@ static unsigned long __init deferred_init_pages(struct zone *zone,
*/
static unsigned long __init
deferred_init_memmap_chunk(unsigned long start_pfn, unsigned long end... |
870ff19251bf3910dda7a7245da826924045fedd | Analyze and fix the following issue in the Linux kernel code: mm/kfence: randomize the freelist on initialization | Problem Details:
Randomize the KFENCE freelist during pool initialization to make
allocation patterns less predictable. This is achieved by shuffling the
order in which metadata objects are added to the freelist using
get_random_u32_below().
Additionally, ensure the error path correctly calculates the address range
t... | ```diff
diff --git a/mm/kfence/core.c b/mm/kfence/core.c
index da0f5b6f5744..4f79ec720752 100644
--- a/mm/kfence/core.c
+++ b/mm/kfence/core.c
@@ -596,7 +596,7 @@ static void rcu_guarded_free(struct rcu_head *h)
static unsigned long kfence_init_pool(void)
{
unsigned long addr, start_pfn;
- int i;
+ int i, rand;
... |
e86436ad0ad2a9aaf88802d69b68f02cbd1f04a9 | Analyze and fix the following issue in the Linux kernel code: kho: init alloc tags when restoring pages from reserved memory | Problem Details:
Memblock pages (including reserved memory) should have their allocation
tags initialized to CODETAG_EMPTY via clear_page_tag_ref() before being
released to the page allocator. When kho restores pages through
kho_restore_page(), missing this call causes mismatched
allocation/deallocation tracking and b... | ```diff
diff --git a/kernel/liveupdate/kexec_handover.c b/kernel/liveupdate/kexec_handover.c
index d4482b6e3cae..96767b106cac 100644
--- a/kernel/liveupdate/kexec_handover.c
+++ b/kernel/liveupdate/kexec_handover.c
@@ -255,6 +255,14 @@ static struct page *kho_restore_page(phys_addr_t phys, bool is_folio)
if (is_folio... |
c657c5dc1360fa1ed1b090aedb5883d9cf9f0a0f | Analyze and fix the following issue in the Linux kernel code: mm: memfd_luo: restore and free memfd_luo_ser on failure | Problem Details:
memfd_luo_ser has the serialization metadata. It is of no use once
restoration fails. Free it on failure.
Link: https://lkml.kernel.org/r/20260122151842.4069702-4-pratyush@kernel.org
Fixes: b3749f174d68 ("mm: memfd_luo: allow preserving memfd")
Signed-off-by: Pratyush Yadav (Google) <pratyush@kernel... | ```diff
diff --git a/mm/memfd_luo.c b/mm/memfd_luo.c
index 01a72e4d3ef6..a34fccc23b6a 100644
--- a/mm/memfd_luo.c
+++ b/mm/memfd_luo.c
@@ -447,7 +447,8 @@ static int memfd_luo_retrieve(struct liveupdate_file_op_args *args)
file = memfd_alloc_file("", 0);
if (IS_ERR(file)) {
pr_err("failed to setup file: %pe\n", ... |
02e117b8ca58928f193e5b4df48d6763232f5e91 | Analyze and fix the following issue in the Linux kernel code: mm: memfd_luo: use memfd_alloc_file() instead of shmem_file_setup() | Problem Details:
When restoring a memfd, the file is created using shmem_file_setup().
While memfd creation also calls this function to get the file, it also
does other things:
1. The O_LARGEFILE flag is set on the file. If this is not done,
writes on the memfd exceeding 2 GiB fail.
2. FMODE_LSEEK, FMODE_PREAD... | ```diff
diff --git a/mm/memfd_luo.c b/mm/memfd_luo.c
index 4f6ba63b4310..01a72e4d3ef6 100644
--- a/mm/memfd_luo.c
+++ b/mm/memfd_luo.c
@@ -78,6 +78,7 @@
#include <linux/liveupdate.h>
#include <linux/shmem_fs.h>
#include <linux/vmalloc.h>
+#include <linux/memfd.h>
#include "internal.h"
static int memfd_luo_preser... |
71e2b5eadbad43d33f0e2cf6d767395273ba5eaa | Analyze and fix the following issue in the Linux kernel code: memfd: export alloc_file() | Problem Details:
Patch series "mm: memfd_luo hotfixes".
This series contains a couple of fixes for memfd preservation using LUO.
This patch (of 3):
The Live Update Orchestrator's (LUO) memfd preservation works by
preserving all the folios of a memfd, re-creating an empty memfd on the
next boot, and then inserting b... | ```diff
diff --git a/include/linux/memfd.h b/include/linux/memfd.h
index cc74de3dbcfe..c328a7b356d0 100644
--- a/include/linux/memfd.h
+++ b/include/linux/memfd.h
@@ -17,6 +17,7 @@ struct folio *memfd_alloc_folio(struct file *memfd, pgoff_t idx);
* to by vm_flags_ptr.
*/
int memfd_check_seals_mmap(struct file *fil... |
dd9e2f5b38f1fdd49b1ab6d3a85f81c14369eacc | Analyze and fix the following issue in the Linux kernel code: flex_proportions: make fprop_new_period() hardirq safe | Problem Details:
Bernd has reported a lockdep splat from flexible proportions code that is
essentially complaining about the following race:
<timer fires>
run_timer_softirq - we are in softirq context
call_timer_fn
writeout_period
fprop_new_period
write_seqcount_begin(&p->sequence);
<hardi... | ```diff
diff --git a/lib/flex_proportions.c b/lib/flex_proportions.c
index 84ecccddc771..012d5614efb9 100644
--- a/lib/flex_proportions.c
+++ b/lib/flex_proportions.c
@@ -64,13 +64,14 @@ void fprop_global_destroy(struct fprop_global *p)
bool fprop_new_period(struct fprop_global *p, int periods)
{
s64 events = percp... |
a148a2040191b12b45b82cb29c281cb3036baf90 | Analyze and fix the following issue in the Linux kernel code: mm/memory-failure: fix missing ->mf_stats count in hugetlb poison | Problem Details:
When a newly poisoned subpage ends up in an already poisoned hugetlb
folio, 'num_poisoned_pages' is incremented, but the per node ->mf_stats is
not. Fix the inconsistency by designating action_result() to update them
both.
While at it, define __get_huge_page_for_hwpoison() return values in terms
of s... | ```diff
diff --git a/mm/memory-failure.c b/mm/memory-failure.c
index c80c2907da33..473204359e1f 100644
--- a/mm/memory-failure.c
+++ b/mm/memory-failure.c
@@ -1883,12 +1883,22 @@ static unsigned long __folio_free_raw_hwp(struct folio *folio, bool move_flag)
return count;
}
-static int folio_set_hugetlb_hwpoison(st... |
a0f3c0845a4ff68d403c568266d17e9cc553e561 | Analyze and fix the following issue in the Linux kernel code: mm, swap: restore swap_space attr aviod kernel panic | Problem Details:
commit 8b47299a411a ("mm, swap: mark swap address space ro and add context
debug check") made the swap address space read-only. It may lead to
kernel panic if arch_prepare_to_swap returns a failure under heavy memory
pressure as follows,
el1_abort+0x40/0x64
el1h_64_sync_handler+0x48/0xcc
el1h_64_sync... | ```diff
diff --git a/mm/swap.h b/mm/swap.h
index d034c13d8dd2..1bd466da3039 100644
--- a/mm/swap.h
+++ b/mm/swap.h
@@ -198,7 +198,7 @@ int swap_writeout(struct folio *folio, struct swap_iocb **swap_plug);
void __swap_writepage(struct folio *folio, struct swap_iocb **swap_plug);
/* linux/mm/swap_state.c */
-extern s... |
9b47d4eea3f7c1f620e95bda1d6221660bde7d7b | Analyze and fix the following issue in the Linux kernel code: mm/kasan: fix KASAN poisoning in vrealloc() | Problem Details:
A KASAN warning can be triggered when vrealloc() changes the requested
size to a value that is not aligned to KASAN_GRANULE_SIZE.
------------[ cut here ]------------
WARNING: CPU: 2 PID: 1 at mm/kasan/shadow.c:174 kasan_unpoison+0x40/0x48
...
pc : kasan_unpoison+0x40/0x48
lr : __k... | ```diff
diff --git a/include/linux/kasan.h b/include/linux/kasan.h
index 9c6ac4b62eb9..338a1921a50a 100644
--- a/include/linux/kasan.h
+++ b/include/linux/kasan.h
@@ -641,6 +641,17 @@ kasan_unpoison_vmap_areas(struct vm_struct **vms, int nr_vms,
__kasan_unpoison_vmap_areas(vms, nr_vms, flags);
}
+void __kasan_vre... |
8a1968bd997f45a9b11aefeabdd1232e1b6c7184 | Analyze and fix the following issue in the Linux kernel code: mm/shmem, swap: fix race of truncate and swap entry split | Problem Details:
The helper for shmem swap freeing is not handling the order of swap
entries correctly. It uses xa_cmpxchg_irq to erase the swap entry, but it
gets the entry order before that using xa_get_order without lock
protection, and it may get an outdated order value if the entry is split
or changed in other wa... | ```diff
diff --git a/mm/shmem.c b/mm/shmem.c
index ec6c01378e9d..6c3485d24d66 100644
--- a/mm/shmem.c
+++ b/mm/shmem.c
@@ -962,17 +962,29 @@ static void shmem_delete_from_page_cache(struct folio *folio, void *radswap)
* being freed).
*/
static long shmem_free_swap(struct address_space *mapping,
- pgoff_t ind... |
252cf8c4d679fc40cdb934da6c5128e5943fec3f | Analyze and fix the following issue in the Linux kernel code: f2fs: fix to show simulate_lock_timeout correctly | Problem Details:
Commit d36de29f4bb5 ("f2fs: sysfs: introduce inject_lock_timeout")
introduces a bug as below, fix it.
cat /sys/fs/f2fs/vdx/inject_lock_timeout
s/fs/f2fs/vdx/inject_lock_timeout: Invalid argument
Signed-off-by: Chao Yu <chao@kernel.org>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org> | ```diff
diff --git a/fs/f2fs/sysfs.c b/fs/f2fs/sysfs.c
index cd22bfe75c45..d01a2664a250 100644
--- a/fs/f2fs/sysfs.c
+++ b/fs/f2fs/sysfs.c
@@ -86,7 +86,8 @@ static unsigned char *__struct_ptr(struct f2fs_sb_info *sbi, int struct_type)
return (unsigned char *)sbi;
#ifdef CONFIG_F2FS_FAULT_INJECTION
else if (struct... |
a16ac6ca46d62bcbcbd7b01be0ef03fb39530d7b | Analyze and fix the following issue in the Linux kernel code: m68knommu: Replace deprecated strcpy with strscpy in init_ucsimm | Problem Details:
strcpy() has been deprecated [1] because it performs no bounds checking
on the destination buffer, which can lead to buffer overflows. Replace
it with the safer strscpy().
Link: https://www.kernel.org/doc/html/latest/process/deprecated.html#strcpy [1]
Signed-off-by: Thorsten Blum <thorsten.blum@linux.... | ```diff
diff --git a/arch/m68k/68000/ucsimm.c b/arch/m68k/68000/ucsimm.c
index c54fde75eae8..6b84e826040f 100644
--- a/arch/m68k/68000/ucsimm.c
+++ b/arch/m68k/68000/ucsimm.c
@@ -9,6 +9,7 @@
* for more details.
*/
#include <linux/init.h>
+#include <linux/string.h>
#include <asm/bootstd.h>
#include <asm/machdep.h... |
590fe2f46c8698bb758f9002cb247ca10ce95569 | Analyze and fix the following issue in the Linux kernel code: m68k: nommu: fix memmove() with differently aligned src and dest for 68000 | Problem Details:
68000 has different alignment needs to 68020+.
memcpy() checks if the destination is aligned and does a smaller copy
to fix the alignment and then critically for 68000 it checks if the
source is still unaligned and if it is reverts to smaller copies.
memmove() does not currently do the second part and... | ```diff
diff --git a/arch/m68k/lib/memmove.c b/arch/m68k/lib/memmove.c
index 6519f7f349f6..e33f00b02e4c 100644
--- a/arch/m68k/lib/memmove.c
+++ b/arch/m68k/lib/memmove.c
@@ -24,6 +24,15 @@ void *memmove(void *dest, const void *src, size_t n)
src = csrc;
n--;
}
+#if defined(CONFIG_M68000)
+ if ((long)src & ... |
c16dd9eb0b58c0cabf955592a072c2022804c7e8 | Analyze and fix the following issue in the Linux kernel code: m68k: defconfig: Clean up references to non-existing configs | Problem Details:
- Drop 'CONFIG_I2C_COMPAT is not set' (removed in commit 7e722083fcc3
("i2c: Remove I2C_COMPAT config symbol and related code"))
- Drop 'CONFIG_SCHED_DEBUG is not set' (removed in commit b52173065e0a
("sched/debug: Remove CONFIG_SCHED_DEBUG"))
Signed-off-by: Lukas Bulwahn <lukas.bulwahn@redh... | ```diff
diff --git a/arch/m68k/configs/amcore_defconfig b/arch/m68k/configs/amcore_defconfig
index 88832e9cd7cb..f310b5dacfd8 100644
--- a/arch/m68k/configs/amcore_defconfig
+++ b/arch/m68k/configs/amcore_defconfig
@@ -61,7 +61,6 @@ CONFIG_SERIAL_MCF_BAUDRATE=115200
CONFIG_SERIAL_MCF_CONSOLE=y
# CONFIG_HW_RANDOM is n... |
3da35aa8af345abf6cd180cfc0538c753b927a18 | Analyze and fix the following issue in the Linux kernel code: net: include <linux/hex.h> from sysctl_net_core.c | Problem Details:
Needed for hex_byte_pack().
x86_64 was already including it, but some arches were not.
Fixes: 37b0ea8fef56 ("net: expand NETDEV_RSS_KEY_LEN to 256 bytes")
Reported-by: Mark Brown <broonie@kernel.org>
Closes: https://lore.kernel.org/netdev/aXeka0KYBnrkwUcF@sirena.org.uk/
Signed-off-by: Eric Dumazet <e... | ```diff
diff --git a/net/core/sysctl_net_core.c b/net/core/sysctl_net_core.c
index 0f761d4b9447..03aea10073f0 100644
--- a/net/core/sysctl_net_core.c
+++ b/net/core/sysctl_net_core.c
@@ -17,6 +17,7 @@
#include <linux/init.h>
#include <linux/slab.h>
#include <linux/sched/isolation.h>
+#include <linux/hex.h>
#inclu... |
60bfb8baf8f0d5b0d521744dfd01c880ce1a23f3 | Analyze and fix the following issue in the Linux kernel code: drm/xe: Unregister drm device on probe error | Problem Details:
Call drm_dev_unregister() when xe_device_probe() fails after successful
drm_dev_register(). This ensures the DRM device is promptly unregistered
before returning an error, avoiding leaving it registered on the failure
path.
Otherwise, there is warn message if xe_device_probe() is called again:
"
[ 207... | ```diff
diff --git a/drivers/gpu/drm/xe/xe_device.c b/drivers/gpu/drm/xe/xe_device.c
index aad4aa53a51f..7c2f8b783c56 100644
--- a/drivers/gpu/drm/xe/xe_device.c
+++ b/drivers/gpu/drm/xe/xe_device.c
@@ -1017,6 +1017,7 @@ int xe_device_probe(struct xe_device *xe)
err_unregister_display:
xe_display_unregister(xe);
+... |
0550069cc25f513ce1f109c88f7c1f01d63297db | Analyze and fix the following issue in the Linux kernel code: tracing: Properly process error handling in event_hist_trigger_parse() | Problem Details:
Memory allocated with trigger_data_alloc() requires trigger_data_free()
for proper cleanup.
Replace kfree() with trigger_data_free() to fix this.
Found via static analysis and code review.
This isn't a real bug due to the current code basically being an open
coded version of trigger_data_free() with... | ```diff
diff --git a/kernel/trace/trace_events_hist.c b/kernel/trace/trace_events_hist.c
index c97bb2fda5c0..7e50df8b800b 100644
--- a/kernel/trace/trace_events_hist.c
+++ b/kernel/trace/trace_events_hist.c
@@ -6911,7 +6911,7 @@ static int event_hist_trigger_parse(struct event_command *cmd_ops,
remove_hist_vars(his... |
801a6e61f5fbab2c0dd76c8360f45b625b49e410 | Analyze and fix the following issue in the Linux kernel code: drm/xe/ptl: Disable DCC on PTL | Problem Details:
On PTL, the recommendation is to disable DCC(Duty Cycle Control) as
it may cause some regressions due to added latencies. Upcoming GuC
releases will disable DCC on PTL as well, but we need to force it in
KMD so that this behavior is propagated to older kernels.
v2: Update commit message (Rodrigo)
v3: ... | ```diff
diff --git a/drivers/gpu/drm/xe/xe_guc_pc.c b/drivers/gpu/drm/xe/xe_guc_pc.c
index 54702a0fd05b..5e5495a39a3c 100644
--- a/drivers/gpu/drm/xe/xe_guc_pc.c
+++ b/drivers/gpu/drm/xe/xe_guc_pc.c
@@ -1198,6 +1198,36 @@ int xe_guc_pc_set_power_profile(struct xe_guc_pc *pc, const char *buf)
return ret;
}
+static ... |
d39fb5ca7207a2a8824639b4fada20811d3f2bdf | Analyze and fix the following issue in the Linux kernel code: drm/xe: Reduce LRC timestamp stuck message on VFs to notice | Problem Details:
An LRC timestamp getting stuck is a somewhat normal occurrence. If a
single VF submits a job that does not get timesliced, the LRC timestamp
will not increment. Reduce the LRC timestamp stuck message on VFs to
notice (same log level as job timeout) to avoid false CI bugs in tests
where a VF submits a j... | ```diff
diff --git a/drivers/gpu/drm/xe/xe_guc_submit.c b/drivers/gpu/drm/xe/xe_guc_submit.c
index a27ea931b956..1b2f66f4425b 100644
--- a/drivers/gpu/drm/xe/xe_guc_submit.c
+++ b/drivers/gpu/drm/xe/xe_guc_submit.c
@@ -1317,9 +1317,14 @@ static bool check_timeout(struct xe_exec_queue *q, struct xe_sched_job *job)
c... |
546e9289c74f606423ef72075b34cc38eda3bb49 | Analyze and fix the following issue in the Linux kernel code: vdso/gettimeofday: Force inlining of __cvdso_clock_getres_common() | Problem Details:
With CONFIG_CC_OPTIMIZE_FOR_SIZE=y, GCC may decide not to inline
__cvdso_clock_getres_common(). This introduces spurious internal
function calls in the vDSO fastpath.
Furthermore, with automatic stack variable initialization
(CONFIG_INIT_STACK_ALL_ZERO or CONFIG_INIT_STACK_ALL_PATTERN) GCC can emit
a ... | ```diff
diff --git a/lib/vdso/gettimeofday.c b/lib/vdso/gettimeofday.c
index 95df0153f05a..4399e143d43a 100644
--- a/lib/vdso/gettimeofday.c
+++ b/lib/vdso/gettimeofday.c
@@ -421,7 +421,7 @@ static __maybe_unused __kernel_old_time_t __cvdso_time(__kernel_old_time_t *time
#endif /* VDSO_HAS_TIME */
#ifdef VDSO_HAS_C... |
40ee63f5df2d5c6471b583df800aac89dc0502a4 | Analyze and fix the following issue in the Linux kernel code: drm/xe/ptl: Disable DCC on PTL | Problem Details:
On PTL, the recommendation is to disable DCC(Duty Cycle Control) as
it may cause some regressions due to added latencies. Upcoming GuC
releases will disable DCC on PTL as well, but we need to force it in
KMD so that this behavior is propagated to older kernels.
v2: Update commit message (Rodrigo)
v3: ... | ```diff
diff --git a/drivers/gpu/drm/xe/xe_guc_pc.c b/drivers/gpu/drm/xe/xe_guc_pc.c
index 54702a0fd05b..5e5495a39a3c 100644
--- a/drivers/gpu/drm/xe/xe_guc_pc.c
+++ b/drivers/gpu/drm/xe/xe_guc_pc.c
@@ -1198,6 +1198,36 @@ int xe_guc_pc_set_power_profile(struct xe_guc_pc *pc, const char *buf)
return ret;
}
+static ... |
233ccfe911aa62c0f9211f2e3297d6a7f870b295 | Analyze and fix the following issue in the Linux kernel code: ASoC: codecs: rt1320-sdw: Refactor to reduce stack frames | Problem Details:
Compiler is not happy about used stack frames in a couple of functions:
sound/soc/codecs/rt1320-sdw.c: In function 'rt1320_rae_load':
sound/soc/codecs/rt1320-sdw.c:1570:1: error: the frame size of 1336 bytes is larger than 1280 bytes [-Werror=frame-larger-than=]
sound/soc/codecs/rt1320-sdw.c: In funct... | ```diff
diff --git a/sound/soc/codecs/rt1320-sdw.c b/sound/soc/codecs/rt1320-sdw.c
index e37b4cb87fbe..3ad51db23dea 100644
--- a/sound/soc/codecs/rt1320-sdw.c
+++ b/sound/soc/codecs/rt1320-sdw.c
@@ -1429,8 +1429,7 @@ static int rt1320_rae_load(struct rt1320_sdw_priv *rt1320)
unsigned int addr, size;
unsigned int fu... |
76b2cf07a6d2a836108f9c2486d76599f7adf6e8 | Analyze and fix the following issue in the Linux kernel code: perf vendor events amd: Fix Zen 5 MAB allocation events | Problem Details:
The unit masks for PMCx041 vary across different generations of Zen
processors.
Fix the Zen 5 events based on PMCx041 as they incorrectly use the same
unit masks as that of Zen 4.
Fixes: 45c072f2537ab07b ("perf vendor events amd: Add Zen 5 core events")
Reported-by: Suyash Mahar <smahar@meta.com>
Rev... | ```diff
diff --git a/tools/perf/pmu-events/arch/x86/amdzen5/load-store.json b/tools/perf/pmu-events/arch/x86/amdzen5/load-store.json
index ff6627a77805..06bbaea15925 100644
--- a/tools/perf/pmu-events/arch/x86/amdzen5/load-store.json
+++ b/tools/perf/pmu-events/arch/x86/amdzen5/load-store.json
@@ -70,19 +70,19 @@
... |
008603bda19b29687edce533e4c09acff68c1077 | Analyze and fix the following issue in the Linux kernel code: perf test: Fix test perf evlist for z/VM s390x | Problem Details:
Perf test case 'perf evlist tests' fails on z/VM machines on s390.
The failure is causes by event cycles. This event is not available
on virtualized machines like z/VM on s390.
Change to software event cpu-clock to fix this.
Output before:
# ./perf test 78
79: perf evlist tests ... | ```diff
diff --git a/tools/perf/tests/shell/evlist.sh b/tools/perf/tests/shell/evlist.sh
index 5632be391710..8a22f4171c07 100755
--- a/tools/perf/tests/shell/evlist.sh
+++ b/tools/perf/tests/shell/evlist.sh
@@ -21,13 +21,13 @@ trap trap_cleanup EXIT TERM INT
test_evlist_simple() {
echo "Simple evlist test"
- if ! ... |
dda5f926a1006c735b00ed5c27291fce64236656 | Analyze and fix the following issue in the Linux kernel code: perf annotate: Fix BUILD_NONDISTRO=1 missing args->ms conversions to pointer | Problem Details:
Fix a few missing conversions to pointer in the usage of 'struct
annotate_args' 'ms' member in symbol__disassemble_bpf_libbfd().
Fixes: 00419892bac28bf1 ("perf annotate: Fix args leak of map_symbol")
Reviewed-by: Ian Rogers <irogers@google.com>
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com> | ```diff
diff --git a/tools/perf/util/libbfd.c b/tools/perf/util/libbfd.c
index 79f4528234a9..63ea3fb53e77 100644
--- a/tools/perf/util/libbfd.c
+++ b/tools/perf/util/libbfd.c
@@ -501,7 +501,7 @@ int symbol__disassemble_bpf_libbfd(struct symbol *sym __maybe_unused,
struct bpf_prog_info_node *info_node;
int len = sym... |
129bb23a6f7d022610f902b57d36d69d7d210128 | Analyze and fix the following issue in the Linux kernel code: Revert "perf tools: Fix arm64 build by generating unistd_64.h" | Problem Details:
This reverts:
commit 8988c4b91945173a ("perf tools: Fix in-source libperf build")
commit bfb713ea53c746b0 ("perf tools: Fix arm64 build by generating unistd_64.h")
Since we now have a static unistd_64.h for the arm64 build, there is no
need to generate unistd_64.h in libperf. Revert all patches rela... | ```diff
diff --git a/tools/lib/perf/Makefile b/tools/lib/perf/Makefile
index 27e6490f64dc..9692d0742ed0 100644
--- a/tools/lib/perf/Makefile
+++ b/tools/lib/perf/Makefile
@@ -42,7 +42,6 @@ libdir_relative_SQ = $(subst ','\'',$(libdir_relative))
TEST_ARGS := $(if $(V),-v)
INCLUDES = \
--I$(OUTPUT)arch/$(SRCARCH)/inc... |
096b86ce08332fbcb0ec6ff6714c44899ec03970 | Analyze and fix the following issue in the Linux kernel code: tools headers: Go back to include asm-generic/unistd.h for arm64 | Problem Details:
The header unistd.h is included under Arm64's uAPI folder (see
tools/arch/arm64/include/uapi/asm/), but it does not include its
dependent header unistd_64.h.
The intention is for unistd_64.h to be generated dynamically using
scripts/Makefile.asm-headers.
However, this dynamic approach causes problems... | ```diff
diff --git a/tools/arch/arm64/include/uapi/asm/unistd.h b/tools/arch/arm64/include/uapi/asm/unistd.h
index df36f23876e8..9306726337fe 100644
--- a/tools/arch/arm64/include/uapi/asm/unistd.h
+++ b/tools/arch/arm64/include/uapi/asm/unistd.h
@@ -1,2 +1,24 @@
/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-... |
9502b7df5a3c7e174f74f20324ac1fe781fc5c2d | Analyze and fix the following issue in the Linux kernel code: ASoC: amd: yc: Add DMI quirk for Acer TravelMate P216-41-TCO | Problem Details:
Add a DMI quirk for the Acer TravelMate P216-41-TCO fixing the
issue where the internal microphone was not detected.
Link: https://bugzilla.kernel.org/show_bug.cgi?id=220983
Cc: stable@vger.kernel.org
Signed-off-by: Zhang Heng <zhangheng@kylinos.cn>
Link: https://patch.msgid.link/20260126014952.367445... | ```diff
diff --git a/sound/soc/amd/yc/acp6x-mach.c b/sound/soc/amd/yc/acp6x-mach.c
index f801ce4741ff..c18da0915baa 100644
--- a/sound/soc/amd/yc/acp6x-mach.c
+++ b/sound/soc/amd/yc/acp6x-mach.c
@@ -682,6 +682,14 @@ static const struct dmi_system_id yc_acp_quirk_table[] = {
DMI_MATCH(DMI_PRODUCT_NAME, "GOH-X"),
... |
474d54095090be8ea8701d4a16476f488aa06959 | Analyze and fix the following issue in the Linux kernel code: drm/display: bridge_connector: move audio_infoframe checks to OP_HDMI | Problem Details:
There are DRM_BRIDGE_OP_HDMI_AUDIO bridges (e.g. Lontium LT9611UXC)
which don't implement DRM_BRIDGE_OP_HDMI and don't implement
hdmi_clear_audio_infoframe / hdmi_write_audio_infoframe callbacks.
Move corresponding checks under the DRM_BRIDGE_OP_HDMI condition, making
sure that we require those callba... | ```diff
diff --git a/drivers/gpu/drm/display/drm_bridge_connector.c b/drivers/gpu/drm/display/drm_bridge_connector.c
index ba8ff113cff1..258132c6b8b5 100644
--- a/drivers/gpu/drm/display/drm_bridge_connector.c
+++ b/drivers/gpu/drm/display/drm_bridge_connector.c
@@ -851,6 +851,11 @@ struct drm_connector *drm_bridge_con... |
7e90360e6d4599795b6f4e094e20d0bdf3b2615f | Analyze and fix the following issue in the Linux kernel code: PCI: Fix bridge window alignment with optional resources | Problem Details:
pbus_size_mem() has two alignments, one for required resources in min_align
and another in add_align that takes account optional resources.
The add_align is applied to the bridge window through the realloc_head
list. It can happen, however, that add_align is larger than min_align but
calculated size1 ... | ```diff
diff --git a/drivers/pci/setup-bus.c b/drivers/pci/setup-bus.c
index 6e90f46f52af..4b918ff4d2d8 100644
--- a/drivers/pci/setup-bus.c
+++ b/drivers/pci/setup-bus.c
@@ -14,6 +14,7 @@
* tighter packing. Prefetchable range support.
*/
+#include <linux/align.h>
#include <linux/bitops.h>
#include <linux/... |
d935187cfb27fc4168f78f3959aef4eafaae76bb | Analyze and fix the following issue in the Linux kernel code: remoteproc: mediatek: Break lock dependency to `prepare_lock` | Problem Details:
A potential circular locking dependency (ABBA deadlock) exists between
`ec_dev->lock` and the clock framework's `prepare_lock`.
The first order (A -> B) occurs when scp_ipi_send() is called while
`ec_dev->lock` is held (e.g., within cros_ec_cmd_xfer()):
1. cros_ec_cmd_xfer() acquires `ec_dev->lock` an... | ```diff
diff --git a/drivers/remoteproc/mtk_scp.c b/drivers/remoteproc/mtk_scp.c
index 328541e62158..4651311aeb07 100644
--- a/drivers/remoteproc/mtk_scp.c
+++ b/drivers/remoteproc/mtk_scp.c
@@ -283,7 +283,7 @@ static irqreturn_t scp_irq_handler(int irq, void *priv)
struct mtk_scp *scp = priv;
int ret;
- ret = cl... |
4796eaafd6a170db012395a40385d2baf4f4d118 | Analyze and fix the following issue in the Linux kernel code: nvmem: an8855: drop an unused Kconfig symbol | Problem Details:
MFD_AIROHA_AN8855 is referenced here but never defined, so drop it
from the Kconfig file.
Fixes: e2258cfd9b98 ("nvmem: an8855: Add support for Airoha AN8855 Switch EFUSE")
Signed-off-by: Randy Dunlap <rdunlap@infradead.org>
Signed-off-by: Srinivas Kandagatla <srini@kernel.org>
Link: https://patch.msgi... | ```diff
diff --git a/drivers/nvmem/Kconfig b/drivers/nvmem/Kconfig
index bf47a982cf62..74ddbd0f79b0 100644
--- a/drivers/nvmem/Kconfig
+++ b/drivers/nvmem/Kconfig
@@ -30,7 +30,7 @@ source "drivers/nvmem/layouts/Kconfig"
config NVMEM_AN8855_EFUSE
tristate "Airoha AN8855 eFuse support"
- depends on MFD_AIROHA_AN8855... |
f397bc0781553d01b4cdba506c09334a31cb0ec5 | Analyze and fix the following issue in the Linux kernel code: nvmem: Drop OF node reference on nvmem_add_one_cell() failure | Problem Details:
If nvmem_add_one_cell() failed, the ownership of "child" (or "info.np"),
thus its OF reference, is not passed further and function should clean
up by putting the reference it got via earlier of_node_get(). Note that
this is independent of references obtained via for_each_child_of_node()
loop.
Fixes: ... | ```diff
diff --git a/drivers/nvmem/core.c b/drivers/nvmem/core.c
index 387c88c55259..ff68fd5ad3d6 100644
--- a/drivers/nvmem/core.c
+++ b/drivers/nvmem/core.c
@@ -831,6 +831,7 @@ static int nvmem_add_cells_from_dt(struct nvmem_device *nvmem, struct device_nod
kfree(info.name);
if (ret) {
of_node_put(child);
+... |
1769f90e5ba2a6d24bb46b85da33fe861c68f005 | Analyze and fix the following issue in the Linux kernel code: binder: fix BR_FROZEN_REPLY error log | Problem Details:
The error logging for failed transactions is misleading as it always
reports "dead process or thread" even when the target is actually
frozen. Additionally, the pid and tid are reversed which can further
confuse debugging efforts. Fix both issues.
Cc: stable@kernel.org
Cc: Steven Moreland <smoreland@g... | ```diff
diff --git a/drivers/android/binder.c b/drivers/android/binder.c
index 4e16438eceb7..b356c9b88254 100644
--- a/drivers/android/binder.c
+++ b/drivers/android/binder.c
@@ -3824,8 +3824,9 @@ static void binder_transaction(struct binder_proc *proc,
return;
err_dead_proc_or_thread:
- binder_txn_error("%d:%d de... |
d047248190d86a52164656d47bec9bfba61dc71e | Analyze and fix the following issue in the Linux kernel code: rust_binder: add additional alignment checks | Problem Details:
This adds some alignment checks to match C Binder more closely. This
causes the driver to reject more transactions. I don't think any of the
transactions in question are harmful, but it's still a bug because it's
the wrong uapi to accept them.
The cases where usize is changed for u64, it will affect o... | ```diff
diff --git a/drivers/android/binder/thread.rs b/drivers/android/binder/thread.rs
index dcd47e10aeb8..e0ea33ccfe58 100644
--- a/drivers/android/binder/thread.rs
+++ b/drivers/android/binder/thread.rs
@@ -39,6 +39,10 @@ use core::{
sync::atomic::{AtomicU32, Ordering},
};
+fn is_aligned(value: usize, to: u... |
5e8a3d01544282e50d887d76f30d1496a0a53562 | Analyze and fix the following issue in the Linux kernel code: binder: fix UAF in binder_netlink_report() | Problem Details:
Oneway transactions sent to frozen targets via binder_proc_transaction()
return a BR_TRANSACTION_PENDING_FROZEN error but they are still treated
as successful since the target is expected to thaw at some point. It is
then not safe to access 't' after BR_TRANSACTION_PENDING_FROZEN errors
as the transact... | ```diff
diff --git a/drivers/android/binder.c b/drivers/android/binder.c
index 535fc881c8da..4e16438eceb7 100644
--- a/drivers/android/binder.c
+++ b/drivers/android/binder.c
@@ -2991,6 +2991,10 @@ static void binder_set_txn_from_error(struct binder_transaction *t, int id,
* @t: the binder transaction that failed
... |
8f589c9c3be539d6c2b393c82940c3783831082f | Analyze and fix the following issue in the Linux kernel code: rust_binder: correctly handle FDA objects of length zero | Problem Details:
Fix a bug where an empty FDA (fd array) object with 0 fds would cause an
out-of-bounds error. The previous implementation used `skip == 0` to
mean "this is a pointer fixup", but 0 is also the correct skip length
for an empty FDA. If the FDA is at the end of the buffer, then this
results in an attempt t... | ```diff
diff --git a/drivers/android/binder/thread.rs b/drivers/android/binder/thread.rs
index 1a8e6fdc0dc4..dcd47e10aeb8 100644
--- a/drivers/android/binder/thread.rs
+++ b/drivers/android/binder/thread.rs
@@ -69,17 +69,24 @@ struct ScatterGatherEntry {
}
/// This entry specifies that a fixup should happen at `tar... |
3e6397b056335cc56ef0e9da36c95946a19f5118 | Analyze and fix the following issue in the Linux kernel code: SUNRPC: auth_gss: fix memory leaks in XDR decoding error paths | Problem Details:
The gssx_dec_ctx(), gssx_dec_status(), and gssx_dec_name()
functions allocate memory via gssx_dec_buffer(), which calls
kmemdup(). When a subsequent decode operation fails, these
functions return immediately without freeing previously
allocated buffers, causing memory leaks.
The leak in gssx_dec_ctx()... | ```diff
diff --git a/net/sunrpc/auth_gss/gss_rpc_xdr.c b/net/sunrpc/auth_gss/gss_rpc_xdr.c
index 7d2cdc2bd374..f320c0a8e604 100644
--- a/net/sunrpc/auth_gss/gss_rpc_xdr.c
+++ b/net/sunrpc/auth_gss/gss_rpc_xdr.c
@@ -320,29 +320,47 @@ static int gssx_dec_status(struct xdr_stream *xdr,
/* status->minor_status */
p =... |
404d779466646bf1461f2090ff137e99acaecf42 | Analyze and fix the following issue in the Linux kernel code: nfsd: fix return error code for nfsd_map_name_to_[ug]id | Problem Details:
idmap lookups can time out while the cache is waiting for a userspace
upcall reply. In that case cache_check() returns -ETIMEDOUT to callers.
The nfsd_map_name_to_[ug]id functions currently proceed with attempting
to map the id to a kuid despite a potentially temporary failure to
perform the idmap loo... | ```diff
diff --git a/fs/nfsd/nfs4idmap.c b/fs/nfsd/nfs4idmap.c
index b5b3d45979c9..c319c31b0f64 100644
--- a/fs/nfsd/nfs4idmap.c
+++ b/fs/nfsd/nfs4idmap.c
@@ -672,6 +672,8 @@ __be32 nfsd_map_name_to_uid(struct svc_rqst *rqstp, const char *name,
return nfserr_inval;
status = do_name_to_id(rqstp, IDMAP_TYPE_USER, ... |
f9c206cdc4266caad6a9a7f46341420a10f03ccb | Analyze and fix the following issue in the Linux kernel code: nfsd: never defer requests during idmap lookup | Problem Details:
During v4 request compound arg decoding, some ops (e.g. SETATTR)
can trigger idmap lookup upcalls. When those upcall responses get
delayed beyond the allowed time limit, cache_check() will mark the
request for deferral and cause it to be dropped.
This prevents nfs4svc_encode_compoundres from being exe... | ```diff
diff --git a/fs/nfsd/nfs4idmap.c b/fs/nfsd/nfs4idmap.c
index 8cca1329f348..b5b3d45979c9 100644
--- a/fs/nfsd/nfs4idmap.c
+++ b/fs/nfsd/nfs4idmap.c
@@ -643,13 +643,31 @@ static __be32 encode_name_from_id(struct xdr_stream *xdr,
return idmap_id_to_name(xdr, rqstp, type, id);
}
-__be32
-nfsd_map_name_to_uid(s... |
9abb3549227e4fb70f0d8ba515bf7ddd249ad710 | Analyze and fix the following issue in the Linux kernel code: xdrgen: Improve parse error reporting | Problem Details:
The current verbose Lark exception output makes it difficult to
quickly identify and fix syntax errors in XDR specifications. Users
must wade through hundreds of lines of cascading errors to find the
root cause.
Replace this with concise, compiler-style error messages showing
file, line, column, the u... | ```diff
diff --git a/tools/net/sunrpc/xdrgen/subcmds/declarations.py b/tools/net/sunrpc/xdrgen/subcmds/declarations.py
index c5e8d79986ef..2fd5c255a547 100644
--- a/tools/net/sunrpc/xdrgen/subcmds/declarations.py
+++ b/tools/net/sunrpc/xdrgen/subcmds/declarations.py
@@ -8,7 +8,6 @@ import logging
from argparse impor... |
eb1f3b55ac6202a013daf14ed508066947cdafa8 | Analyze and fix the following issue in the Linux kernel code: xdrgen: Remove inclusion of nlm4.h header | Problem Details:
The client-side source code template mistakenly includes the
nlm4.h header file, which is specific to the NLM protocol and
should not be present in the generic template that generates
client stubs for all XDR-based protocols.
Fixes: 903a7d37d9ea ("xdrgen: Update the files included in client-side sourc... | ```diff
diff --git a/tools/net/sunrpc/xdrgen/templates/C/source_top/client.j2 b/tools/net/sunrpc/xdrgen/templates/C/source_top/client.j2
index c5518c519854..df3598c38b2c 100644
--- a/tools/net/sunrpc/xdrgen/templates/C/source_top/client.j2
+++ b/tools/net/sunrpc/xdrgen/templates/C/source_top/client.j2
@@ -8,6 +8,5 @@
... |
27b0fcae8f535fb882b1876227a935dcfdf576aa | Analyze and fix the following issue in the Linux kernel code: xdrgen: Initialize data pointer for zero-length items | Problem Details:
The xdrgen decoders for strings and opaque data had an
optimization that skipped calling xdr_inline_decode() when the
item length was zero. This left the data pointer uninitialized,
which could lead to unpredictable behavior when callers access
it.
Remove the zero-length check and always call xdr_inli... | ```diff
diff --git a/include/linux/sunrpc/xdrgen/_builtins.h b/include/linux/sunrpc/xdrgen/_builtins.h
index 52ed9a9151c4..a723fb1da9c8 100644
--- a/include/linux/sunrpc/xdrgen/_builtins.h
+++ b/include/linux/sunrpc/xdrgen/_builtins.h
@@ -248,12 +248,10 @@ xdrgen_decode_string(struct xdr_stream *xdr, string *ptr, u32 m... |
41b0a87bc60d5ccfa8575481ddb4d4d8758507fa | Analyze and fix the following issue in the Linux kernel code: NFSD: fix setting FMODE_NOCMTIME in nfs4_open_delegation | Problem Details:
fstests generic/215 and generic/407 were failing because the server
wasn't updating mtime properly. When deleg attribute support is not
compiled in and thus no attribute delegation was given, the server
was skipping updating mtime and ctime because FMODE_NOCMTIME was
uncoditionally set for the write de... | ```diff
diff --git a/fs/nfsd/nfs4state.c b/fs/nfsd/nfs4state.c
index d854eac6db42..b46e793ab0d2 100644
--- a/fs/nfsd/nfs4state.c
+++ b/fs/nfsd/nfs4state.c
@@ -6353,7 +6353,8 @@ nfs4_open_delegation(struct svc_rqst *rqstp, struct nfsd4_open *open,
dp->dl_ctime = stat.ctime;
dp->dl_mtime = stat.mtime;
spin_lock(... |
789477b849394afdb60507924d65f7ef18f078ce | Analyze and fix the following issue in the Linux kernel code: nfsd: fix nfs4_file refcount leak in nfsd_get_dir_deleg() | Problem Details:
Claude pointed out that there is a nfs4_file refcount leak in
nfsd_get_dir_deleg(). Ensure that the reference to "fp" is released
before returning.
Fixes: 8b99f6a8c116 ("nfsd: wire up GET_DIR_DELEGATION handling")
Cc: stable@vger.kernel.org
Cc: Chris Mason <clm@meta.com>
Signed-off-by: Jeff Layton <jl... | ```diff
diff --git a/fs/nfsd/nfs4state.c b/fs/nfsd/nfs4state.c
index 4a896c7b494f..d854eac6db42 100644
--- a/fs/nfsd/nfs4state.c
+++ b/fs/nfsd/nfs4state.c
@@ -9516,8 +9516,10 @@ nfsd_get_dir_deleg(struct nfsd4_compound_state *cstate,
spin_unlock(&clp->cl_lock);
spin_unlock(&state_lock);
- if (!status)
+ if (!stat... |
0ac903d1bfdce8ff40657c2b7d996947b72b6645 | Analyze and fix the following issue in the Linux kernel code: NFS: NFSERR_INVAL is not defined by NFSv2 | Problem Details:
A documenting comment in include/uapi/linux/nfs.h claims incorrectly
that NFSv2 defines NFSERR_INVAL. There is no such definition in either
RFC 1094 or https://pubs.opengroup.org/onlinepubs/9629799/chap7.htm
NFS3ERR_INVAL is introduced in RFC 1813.
NFSD returns NFSERR_INVAL for PROC_GETACL, which has... | ```diff
diff --git a/fs/nfsd/nfs2acl.c b/fs/nfsd/nfs2acl.c
index 5fb202acb0fd..0ac538c76180 100644
--- a/fs/nfsd/nfs2acl.c
+++ b/fs/nfsd/nfs2acl.c
@@ -45,7 +45,7 @@ static __be32 nfsacld_proc_getacl(struct svc_rqst *rqstp)
inode = d_inode(fh->fh_dentry);
if (argp->mask & ~NFS_ACL_MASK) {
- resp->status = nfserr_... |
bf0fe9ad3d597d8e1378dc9953ca96dfc3addb2b | Analyze and fix the following issue in the Linux kernel code: xdrgen: Fix struct prefix for typedef types in program wrappers | Problem Details:
The program templates for decoder/argument.j2 and encoder/result.j2
unconditionally add 'struct' prefix to all types. This is incorrect
when an RPC protocol specification lists a typedef'd basic type or
an enum as a procedure argument or result (e.g., NFSv2's fhandle or
stat), resulting in compiler err... | ```diff
diff --git a/tools/net/sunrpc/xdrgen/generators/__init__.py b/tools/net/sunrpc/xdrgen/generators/__init__.py
index e22632cf38fb..1d577a986c6c 100644
--- a/tools/net/sunrpc/xdrgen/generators/__init__.py
+++ b/tools/net/sunrpc/xdrgen/generators/__init__.py
@@ -6,7 +6,7 @@ from pathlib import Path
from jinja2 imp... |
9be4b7e74eb7b82ec6d7453a95e9878deab39763 | Analyze and fix the following issue in the Linux kernel code: nfsd: prefix notification in nfsd4_finalize_deleg_timestamps() with "nfsd: " | Problem Details:
Make it distinct that this message comes from nfsd.
Signed-off-by: Jeff Layton <jlayton@kernel.org>
Signed-off-by: Chuck Lever <chuck.lever@oracle.com> | ```diff
diff --git a/fs/nfsd/nfs4state.c b/fs/nfsd/nfs4state.c
index d5e0f3a52d4f..96e19817cd6b 100644
--- a/fs/nfsd/nfs4state.c
+++ b/fs/nfsd/nfs4state.c
@@ -1253,7 +1253,7 @@ static void nfsd4_finalize_deleg_timestamps(struct nfs4_delegation *dp, struct f
if (ret) {
struct inode *inode = file_inode(f);
- pr_n... |
4329010ad9c36775e7092e451c37c24c4f90243f | Analyze and fix the following issue in the Linux kernel code: xdrgen: Address some checkpatch whitespace complaints | Problem Details:
This is a roll-up of three template fixes that eliminate noise from
checkpatch output so that it's easier to spot non-trivial problems.
To follow conventional kernel C style, when a union declaration is
marked with "pragma public", there should be a blank line between
the emitted "union xxx { ... };" ... | ```diff
diff --git a/tools/net/sunrpc/xdrgen/templates/C/enum/declaration/enum.j2 b/tools/net/sunrpc/xdrgen/templates/C/enum/declaration/enum.j2
index d1405c7c5354..c7ae506076bb 100644
--- a/tools/net/sunrpc/xdrgen/templates/C/enum/declaration/enum.j2
+++ b/tools/net/sunrpc/xdrgen/templates/C/enum/declaration/enum.j2
@... |
2b4e00d8e70ca8736fda82447be6a4e323c6d1f5 | Analyze and fix the following issue in the Linux kernel code: platform/x86/amd/pmc: Add quirk for MECHREVO Wujie 15X Pro | Problem Details:
The MECHREVO Wujie 15X Pro suffers from spurious IRQ issues related to
the AMD PMC. Add it to the quirk list to use the spurious_8042 fix.
Signed-off-by: gongqi <550230171hxy@gmail.com>
Link: https://patch.msgid.link/20260122155501.376199-4-550230171hxy@gmail.com
Signed-off-by: Ilpo Järvinen <ilpo.jar... | ```diff
diff --git a/drivers/platform/x86/amd/pmc/pmc-quirks.c b/drivers/platform/x86/amd/pmc/pmc-quirks.c
index 404e62ad293a..ed285afaf9b0 100644
--- a/drivers/platform/x86/amd/pmc/pmc-quirks.c
+++ b/drivers/platform/x86/amd/pmc/pmc-quirks.c
@@ -302,6 +302,13 @@ static const struct dmi_system_id fwbug_list[] = {
D... |
39e9c376ac42705af4ed4ae39eec028e8bced9b4 | Analyze and fix the following issue in the Linux kernel code: platform/x86: intel_telemetry: Fix PSS event register mask | Problem Details:
The PSS telemetry info parsing incorrectly applies
TELEM_INFO_SRAMEVTS_MASK when extracting event register
count from firmware response. This reads bits 15-8 instead
of the correct bits 7-0, causing misdetection of hardware
capabilities.
The IOSS path correctly uses TELEM_INFO_NENABLES_MASK for
regist... | ```diff
diff --git a/drivers/platform/x86/intel/telemetry/pltdrv.c b/drivers/platform/x86/intel/telemetry/pltdrv.c
index f23c170a55dc..d9aa349f81e4 100644
--- a/drivers/platform/x86/intel/telemetry/pltdrv.c
+++ b/drivers/platform/x86/intel/telemetry/pltdrv.c
@@ -610,7 +610,7 @@ static int telemetry_setup(struct platfor... |
25e9e322d2ab5c03602eff4fbf4f7c40019d8de2 | Analyze and fix the following issue in the Linux kernel code: platform/x86: intel_telemetry: Fix swapped arrays in PSS output | Problem Details:
The LTR blocking statistics and wakeup event counters are incorrectly
cross-referenced during debugfs output rendering. The code populates
pss_ltr_blkd[] with LTR blocking data and pss_s0ix_wakeup[] with wakeup
data, but the display loops reference the wrong arrays.
This causes the "LTR Blocking Statu... | ```diff
diff --git a/drivers/platform/x86/intel/telemetry/debugfs.c b/drivers/platform/x86/intel/telemetry/debugfs.c
index 70e5736c44c7..189c61ff7ff0 100644
--- a/drivers/platform/x86/intel/telemetry/debugfs.c
+++ b/drivers/platform/x86/intel/telemetry/debugfs.c
@@ -449,7 +449,7 @@ static int telem_pss_states_show(stru... |
128497456756e1b952bd5a912cd073836465109d | Analyze and fix the following issue in the Linux kernel code: platform/x86: toshiba_haps: Fix memory leaks in add/remove routines | Problem Details:
toshiba_haps_add() leaks the haps object allocated by it if it returns
an error after allocating that object successfully.
toshiba_haps_remove() does not free the object pointed to by
toshiba_haps before clearing that pointer, so it becomes unreachable
allocated memory.
Address these memory leaks by ... | ```diff
diff --git a/drivers/platform/x86/toshiba_haps.c b/drivers/platform/x86/toshiba_haps.c
index 03dfddeee0c0..e9324bf16aea 100644
--- a/drivers/platform/x86/toshiba_haps.c
+++ b/drivers/platform/x86/toshiba_haps.c
@@ -183,7 +183,7 @@ static int toshiba_haps_add(struct acpi_device *acpi_dev)
pr_info("Toshiba HD... |
43b0b7eff4b3fb684f257d5a24376782e9663465 | Analyze and fix the following issue in the Linux kernel code: platform/x86: panasonic-laptop: Fix sysfs group leak in error path | Problem Details:
The acpi_pcc_hotkey_add() error path leaks sysfs group pcc_attr_group
if platform_device_register_simple() fails for the "panasonic" platform
device.
Address this by making it call sysfs_remove_group() in that case for
the group in question.
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.co... | ```diff
diff --git a/drivers/platform/x86/panasonic-laptop.c b/drivers/platform/x86/panasonic-laptop.c
index 255317e6fec8..937f1a5b78ed 100644
--- a/drivers/platform/x86/panasonic-laptop.c
+++ b/drivers/platform/x86/panasonic-laptop.c
@@ -1089,7 +1089,7 @@ static int acpi_pcc_hotkey_add(struct acpi_device *device)
... |
2df8b310bcfe76827fd71092f58a2493ee6590b0 | Analyze and fix the following issue in the Linux kernel code: dm: use bio_clone_blkg_association | Problem Details:
The origin bio carries blk-cgroup information which could be set from
foreground(task_css(css) - wbc->wb->blkcg_css), so the blkcg won't
control buffer io since commit ca522482e3eaf ("dm: pass NULL bdev to
bio_alloc_clone"). The synchronous io is still under control by blkcg,
because 'bio->bi_blkg' is ... | ```diff
diff --git a/drivers/md/dm.c b/drivers/md/dm.c
index ea2c43cddde1..e178fe19973e 100644
--- a/drivers/md/dm.c
+++ b/drivers/md/dm.c
@@ -1364,6 +1364,8 @@ void dm_submit_bio_remap(struct bio *clone, struct bio *tgt_clone)
if (!tgt_clone)
tgt_clone = clone;
+ bio_clone_blkg_association(tgt_clone, io->orig_b... |
5fdf86e7353ce2d91a24dcbe7320935b40d55367 | Analyze and fix the following issue in the Linux kernel code: KVM: nVMX: Disallow access to vmcs12 fields that aren't supported by "hardware" | Problem Details:
Disallow access (VMREAD/VMWRITE), both emulated and via a shadow VMCS, to
VMCS fields that the loaded incarnation of KVM doesn't support, e.g. due
to lack of hardware support, as a middle ground between allowing access to
any vmcs12 field defined by KVM (current behavior) and gating access based
on the... | ```diff
diff --git a/arch/x86/kvm/vmx/nested.c b/arch/x86/kvm/vmx/nested.c
index 61113ead3d7b..f7950d8465a9 100644
--- a/arch/x86/kvm/vmx/nested.c
+++ b/arch/x86/kvm/vmx/nested.c
@@ -86,6 +86,9 @@ static void init_vmcs_shadow_fields(void)
pr_err("Missing field from shadow_read_only_field %x\n",
field + 1... |
5d4ae0bffb6eeada6dd16ba52150457ae96c3725 | Analyze and fix the following issue in the Linux kernel code: platform/wmi: string-kunit: Add missing oversized string test case | Problem Details:
When compiling the WMI string kunit tests using llvm, the compiler
will issue a warning about "oversized_test_utf8_string" being unused.
This happens because the test case that was supposed to use said
variable was accidentally omitted when adding the kunit tests.
Fix this by adding the aforementioned... | ```diff
diff --git a/drivers/platform/wmi/tests/string_kunit.c b/drivers/platform/wmi/tests/string_kunit.c
index 9aa3ffa85090..117f32ee26a8 100644
--- a/drivers/platform/wmi/tests/string_kunit.c
+++ b/drivers/platform/wmi/tests/string_kunit.c
@@ -228,6 +228,23 @@ static void wmi_string_to_utf8s_oversized_test(struct ku... |
ca8dcfedac480e424b8860e3d1394afdcdc550fe | Analyze and fix the following issue in the Linux kernel code: drm/xe: derive mem copy capability from graphics version | Problem Details:
Drop .has_mem_copy_instr from the platform descriptors and set it
in xe_info_init() after handle_gmdid() populates graphics_verx100.
Centralizing the GRAPHICS_VER(xe) >= 20 check keeps MEM_COPY enabled
on Xe2+ and removes redundant per-platform plumbing.
Bspec: 57561
Fixes: 1e12dbae9d72 ("drm/xe/migr... | ```diff
diff --git a/drivers/gpu/drm/xe/xe_pci.c b/drivers/gpu/drm/xe/xe_pci.c
index 9c9ea10d994c..2aa883f5ef79 100644
--- a/drivers/gpu/drm/xe/xe_pci.c
+++ b/drivers/gpu/drm/xe/xe_pci.c
@@ -342,7 +342,6 @@ static const struct xe_device_desc lnl_desc = {
.has_display = true,
.has_flat_ccs = 1,
.has_pxp = true,
- ... |
051be49133971076717846e2a04c746ab3476282 | Analyze and fix the following issue in the Linux kernel code: drm/xe/xelp: Fix Wa_18022495364 | Problem Details:
It looks I mistyped CS_DEBUG_MODE2 as CS_DEBUG_MODE1 when adding the
workaround. Fix it.
Signed-off-by: Tvrtko Ursulin <tvrtko.ursulin@igalia.com>
Fixes: ca33cd271ef9 ("drm/xe/xelp: Add Wa_18022495364")
Cc: Matt Roper <matthew.d.roper@intel.com>
Cc: "Thomas Hellström" <thomas.hellstrom@linux.intel.com... | ```diff
diff --git a/drivers/gpu/drm/xe/xe_lrc.c b/drivers/gpu/drm/xe/xe_lrc.c
index 281286f2b5f9..b8c1dd953665 100644
--- a/drivers/gpu/drm/xe/xe_lrc.c
+++ b/drivers/gpu/drm/xe/xe_lrc.c
@@ -1185,7 +1185,7 @@ static ssize_t setup_invalidate_state_cache_wa(struct xe_lrc *lrc,
return -ENOSPC;
*cmd++ = MI_LOAD_REGI... |
c73a8917b31e8ddbd53cc248e17410cec27f8f58 | Analyze and fix the following issue in the Linux kernel code: drm/xe: Skip address copy for sync-only execs | Problem Details:
For parallel exec queues, xe_exec_ioctl() copied the batch buffer address
array from userspace without checking num_batch_buffer.
If user creates a sync-only exec that doesn't use the address field, the
exec will fail with -EFAULT.
Add num_batch_buffer check to skip the copy, and the exec could be exec... | ```diff
diff --git a/drivers/gpu/drm/xe/xe_exec.c b/drivers/gpu/drm/xe/xe_exec.c
index fd9480031750..8e3614b24010 100644
--- a/drivers/gpu/drm/xe/xe_exec.c
+++ b/drivers/gpu/drm/xe/xe_exec.c
@@ -190,9 +190,9 @@ int xe_exec_ioctl(struct drm_device *dev, void *data, struct drm_file *file)
goto err_syncs;
}
- if (x... |
7fe6cae2f7fad2b5166b0fc096618629f9e2ebcb | Analyze and fix the following issue in the Linux kernel code: drm/xe/xelp: Fix Wa_18022495364 | Problem Details:
It looks I mistyped CS_DEBUG_MODE2 as CS_DEBUG_MODE1 when adding the
workaround. Fix it.
Signed-off-by: Tvrtko Ursulin <tvrtko.ursulin@igalia.com>
Fixes: ca33cd271ef9 ("drm/xe/xelp: Add Wa_18022495364")
Cc: Matt Roper <matthew.d.roper@intel.com>
Cc: "Thomas Hellström" <thomas.hellstrom@linux.intel.com... | ```diff
diff --git a/drivers/gpu/drm/xe/xe_lrc.c b/drivers/gpu/drm/xe/xe_lrc.c
index f4f31bc240d9..3db7968aa5e2 100644
--- a/drivers/gpu/drm/xe/xe_lrc.c
+++ b/drivers/gpu/drm/xe/xe_lrc.c
@@ -1203,7 +1203,7 @@ static ssize_t setup_invalidate_state_cache_wa(struct xe_lrc *lrc,
return -ENOSPC;
*cmd++ = MI_LOAD_REGI... |
22150a7d401d9e9169b9b68e05bed95f7f49bf69 | Analyze and fix the following issue in the Linux kernel code: gfs2: Fix slab-use-after-free in qd_put | Problem Details:
Commit a475c5dd16e5 ("gfs2: Free quota data objects synchronously")
started freeing quota data objects during filesystem shutdown instead of
putting them back onto the LRU list, but it failed to remove these
objects from the LRU list, causing LRU list corruption. This caused
use-after-free when the sh... | ```diff
diff --git a/fs/gfs2/quota.c b/fs/gfs2/quota.c
index 21dfe1e48da6..1c3455093ae8 100644
--- a/fs/gfs2/quota.c
+++ b/fs/gfs2/quota.c
@@ -334,6 +334,7 @@ static void qd_put(struct gfs2_quota_data *qd)
lockref_mark_dead(&qd->qd_lockref);
spin_unlock(&qd->qd_lockref.lock);
+ list_lru_del_obj(&gfs2_qd_lru, &... |
c45fefe3a930ba8a7fef0ed6ad509a02097dfa80 | Analyze and fix the following issue in the Linux kernel code: gfs2: Fix gfs2_log_get_bio argument type | Problem Details:
Fix the type of gfs2_log_get_bio()'s op argument: callers pass in a
blk_opf_t value and the function passes that value on as a blk_opf_t
value, so the current argument type makes no sense.
Signed-off-by: Andreas Gruenbacher <agruenba@redhat.com> | ```diff
diff --git a/fs/gfs2/lops.c b/fs/gfs2/lops.c
index 879635ebddae..df7916bf49c1 100644
--- a/fs/gfs2/lops.c
+++ b/fs/gfs2/lops.c
@@ -277,7 +277,7 @@ static struct bio *gfs2_log_alloc_bio(struct gfs2_sbd *sdp, u64 blkno,
* @sdp: The super block
* @blkno: The device block number we want to write to
* @biop: T... |
08ca56ffcd43b37061bc675545796b3f01f9937d | Analyze and fix the following issue in the Linux kernel code: gfs2: gfs2_chain_bio start sector fix | Problem Details:
Pass the start sector into gfs2_chain_bio(): the new bio isn't
necessarily contiguous with the previous one.
Signed-off-by: Andreas Gruenbacher <agruenba@redhat.com> | ```diff
diff --git a/fs/gfs2/lops.c b/fs/gfs2/lops.c
index c3317432a25b..879635ebddae 100644
--- a/fs/gfs2/lops.c
+++ b/fs/gfs2/lops.c
@@ -479,13 +479,13 @@ static void gfs2_jhead_process_page(struct gfs2_jdesc *jd, unsigned long index,
}
static struct bio *gfs2_chain_bio(struct bio *prev, unsigned int nr_iovecs,
-... |
4a94f052e0982794aa65312fe8b69999e4494a20 | Analyze and fix the following issue in the Linux kernel code: gfs2: Initialize bio->bi_opf early | Problem Details:
Pass the right blk_opf_t value to bio_alloc() so that ->bi_ops is
initialized correctly and doesn't have to be changed later. Adjust the
call chain to pass that value through to where it is needed (and only
there).
Add a separate blk_opf_t argument to gfs2_chain_bio() instead of copying
the value fro... | ```diff
diff --git a/fs/gfs2/log.c b/fs/gfs2/log.c
index 2a3b9d10eba7..347df29d610e 100644
--- a/fs/gfs2/log.c
+++ b/fs/gfs2/log.c
@@ -888,8 +888,9 @@ void gfs2_write_log_header(struct gfs2_sbd *sdp, struct gfs2_jdesc *jd,
sb->s_blocksize - LH_V1_SIZE - 4);
lh->lh_crc = cpu_to_be32(crc);
- gfs2_log_write(sd... |
4928c36536d218ae70a1b79f1c0d3302ffe31f69 | Analyze and fix the following issue in the Linux kernel code: gfs2: Do not cancel internal demote requests | Problem Details:
Trying to change the state of a glock may result in a "conversion
deadlock" error, indicating that the requested state transition would
cause a deadlock. In this case, we unlock and retry the state change.
It makes no sense to try canceling those unlock requests, but the
current code is not aware of t... | ```diff
diff --git a/fs/gfs2/glock.c b/fs/gfs2/glock.c
index 776179933315..7c3d488327ee 100644
--- a/fs/gfs2/glock.c
+++ b/fs/gfs2/glock.c
@@ -60,7 +60,8 @@ struct gfs2_glock_iter {
typedef void (*glock_examiner) (struct gfs2_glock * gl);
-static void do_xmote(struct gfs2_glock *gl, struct gfs2_holder *gh, unsigne... |
11d763f0b0afc2cf5f92f4adae5dbbbbef712f8f | Analyze and fix the following issue in the Linux kernel code: gfs2: Retries missing in gfs2_{rename,exchange} | Problem Details:
Fix a bug in gfs2's asynchronous glock handling for rename and exchange
operations. The original async implementation from commit ad26967b9afa
("gfs2: Use async glocks for rename") mentioned that retries were needed
but never implemented them, causing operations to fail with -ESTALE
instead of retryin... | ```diff
diff --git a/fs/gfs2/glock.c b/fs/gfs2/glock.c
index 47e8809575d5..f358448d7b3d 100644
--- a/fs/gfs2/glock.c
+++ b/fs/gfs2/glock.c
@@ -1284,31 +1284,45 @@ static int glocks_pending(unsigned int num_gh, struct gfs2_holder *ghs)
* gfs2_glock_async_wait - wait on multiple asynchronous glock acquisitions
* @num... |
f8f04248c7e9f5d77a93857e3a5d28c0833056dc | Analyze and fix the following issue in the Linux kernel code: gfs2: glock cancelation flag fix | Problem Details:
When an asynchronous glock holder is dequeued that hasn't been granted
yet (HIF_HOLDER not set) and no dlm operation is in progress on behalf
of that holder (GLF_LOCK not set), the dequeuing takes place in
__gfs2_glock_dq(). There, we are not clearing the HIF_WAIT flag and
waking up waiters. Fix that... | ```diff
diff --git a/fs/gfs2/glock.c b/fs/gfs2/glock.c
index 92e029104d8a..47e8809575d5 100644
--- a/fs/gfs2/glock.c
+++ b/fs/gfs2/glock.c
@@ -1545,6 +1545,8 @@ static void __gfs2_glock_dq(struct gfs2_holder *gh)
list_del_init(&gh->gh_list);
clear_bit(HIF_HOLDER, &gh->gh_iflags);
trace_gfs2_glock_queue(gh, 0);
+ ... |
1956f0a74ccf5dc9c3ef717f2985c3ed3400aab0 | Analyze and fix the following issue in the Linux kernel code: RDMA/uverbs: Validate wqe_size before using it in ib_uverbs_post_send | Problem Details:
ib_uverbs_post_send() uses cmd.wqe_size from userspace without any
validation before passing it to kmalloc() and using the allocated
buffer as struct ib_uverbs_send_wr.
If a user provides a small wqe_size value (e.g., 1), kmalloc() will
succeed, but subsequent accesses to user_wr->opcode, user_wr->num... | ```diff
diff --git a/drivers/infiniband/core/uverbs_cmd.c b/drivers/infiniband/core/uverbs_cmd.c
index ce16404cdfb8..3259e9848cc7 100644
--- a/drivers/infiniband/core/uverbs_cmd.c
+++ b/drivers/infiniband/core/uverbs_cmd.c
@@ -2049,7 +2049,10 @@ static int ib_uverbs_post_send(struct uverbs_attr_bundle *attrs)
if (ret... |
5f64ae1ef639a2bab7e39497c55f76cc0682f108 | Analyze and fix the following issue in the Linux kernel code: ata: libata-core: Quirk INTEL SSDSC2KG480G8 max_sectors | Problem Details:
Commit 9b8b84879d4a ("block: Increase BLK_DEF_MAX_SECTORS_CAP") increased
the default max_sectors_kb from 1280 KiB to 4096 KiB.
INTEL SSDSC2KG480G8 with FW rev XCV10120 times out when sending I/Os of
size 4096 KiB.
Enable ATA_QUIRK_MAX_SEC, with value 8191 (sectors) for this device,
since any I/O wit... | ```diff
diff --git a/drivers/ata/libata-core.c b/drivers/ata/libata-core.c
index e888f2445692..8e41e8a33096 100644
--- a/drivers/ata/libata-core.c
+++ b/drivers/ata/libata-core.c
@@ -4082,6 +4082,7 @@ static const struct ata_dev_quirk_value __ata_dev_max_sec_quirks[] = {
{ "LITEON CX1-JB*-HP", NULL, 1024 },
{ "LI... |
68e28facbc8ab3e701e1814323d397a75b400865 | Analyze and fix the following issue in the Linux kernel code: drm/panel: ilitek-ili9882t: Select DRM_DISPLAY_DSC_HELPER | Problem Details:
The panel-ilitek-ili9882t driver uses drm_dsc_pps_payload_pack() which
is provided by the DRM_DISPLAY_DSC_HELPER. Add the missing Kconfig
select to fix the following build error:
ERROR: modpost: "drm_dsc_pps_payload_pack" [drivers/gpu/drm/panel/panel-ilitek-ili9882t.ko] undefined!
Fixes: 65ce1f5834... | ```diff
diff --git a/drivers/gpu/drm/panel/Kconfig b/drivers/gpu/drm/panel/Kconfig
index a0fe6069e5e4..ae25f003aa33 100644
--- a/drivers/gpu/drm/panel/Kconfig
+++ b/drivers/gpu/drm/panel/Kconfig
@@ -280,6 +280,7 @@ config DRM_PANEL_ILITEK_ILI9882T
depends on OF
depends on DRM_MIPI_DSI
depends on BACKLIGHT_CLASS_D... |
12f15d52d38ac53f7c70ea3d4b3d76afed04e064 | Analyze and fix the following issue in the Linux kernel code: drm: Do not allow userspace to trigger kernel warnings in drm_gem_change_handle_ioctl() | Problem Details:
Since GEM bo handles are u32 in the uapi and the internal implementation
uses idr_alloc() which uses int ranges, passing a new handle larger than
INT_MAX trivially triggers a kernel warning:
idr_alloc():
...
if (WARN_ON_ONCE(start < 0))
return -EINVAL;
...
Fix it by rejecting new handles above INT... | ```diff
diff --git a/drivers/gpu/drm/drm_gem.c b/drivers/gpu/drm/drm_gem.c
index e4df43427394..25f68fed9b48 100644
--- a/drivers/gpu/drm/drm_gem.c
+++ b/drivers/gpu/drm/drm_gem.c
@@ -960,16 +960,21 @@ int drm_gem_change_handle_ioctl(struct drm_device *dev, void *data,
{
struct drm_gem_change_handle *args = data;
s... |
41399c5d476156635c9a58de870d39318e22fa09 | Analyze and fix the following issue in the Linux kernel code: regulator: spacemit-p1: Fix n_voltages for BUCK and LDO regulators | Problem Details:
Higher voltage settings were unusable due to incorrect n_voltages values
causing registration failures. For example, setting aldo4 to 3.3V failed
with -EINVAL because the required selector (123) exceeded the allowed
range (n_voltages=117).
Fix by aligning n_voltages with the hardware register widths p... | ```diff
diff --git a/drivers/regulator/spacemit-p1.c b/drivers/regulator/spacemit-p1.c
index 2bf9137e12b1..2b585ba01a93 100644
--- a/drivers/regulator/spacemit-p1.c
+++ b/drivers/regulator/spacemit-p1.c
@@ -87,13 +87,13 @@ static const struct linear_range p1_ldo_ranges[] = {
}
#define P1_BUCK_DESC(_n) \
- P1_REG_D... |
403a0591be681eebc0c4825f8b42afe7fd13ee7f | Analyze and fix the following issue in the Linux kernel code: ASoC: soc-acpi-intel-ptl-match: fix name_prefix of rt1320-2 | Problem Details:
rt1320_2_group2_adr works with rt1320_1_group2_adr and the name_prefix
should be rt1320-2.
Fixes: ffe450cb6bce ("ASoC: Intel: soc-acpi-intel-ptl-match: add rt713_vb_l3_rt1320_l12 support")
Signed-off-by: Bard Liao <yung-chuan.liao@linux.intel.com>
Reviewed-by: Péter Ujfalusi <peter.ujfalusi@linux.inte... | ```diff
diff --git a/sound/soc/intel/common/soc-acpi-intel-ptl-match.c b/sound/soc/intel/common/soc-acpi-intel-ptl-match.c
index 060955825fe0..e297c8ecedb7 100644
--- a/sound/soc/intel/common/soc-acpi-intel-ptl-match.c
+++ b/sound/soc/intel/common/soc-acpi-intel-ptl-match.c
@@ -442,7 +442,7 @@ static const struct snd_s... |
cb39cf99d88e8f2c68a41fb3bb01c4f40a8fcc30 | Analyze and fix the following issue in the Linux kernel code: m68k: sun3: Replace vsprintf() with bounded vsnprintf() | Problem Details:
vsprintf() performs no bounds checking and can overflow - replace it
with the safer vsnprintf().
Also remove the useless '+ 1' that is a leftover of commit 66ed28ea096c
("m68k: sun3: Remove unused vsprintf() return value in prom_printf()").
Signed-off-by: Thorsten Blum <thorsten.blum@linux.dev>
Revie... | ```diff
diff --git a/arch/m68k/sun3/prom/printf.c b/arch/m68k/sun3/prom/printf.c
index db5537ef1250..cb4934d39833 100644
--- a/arch/m68k/sun3/prom/printf.c
+++ b/arch/m68k/sun3/prom/printf.c
@@ -30,9 +30,9 @@ prom_printf(char *fmt, ...)
#ifdef CONFIG_KGDB
ppbuf[0] = 'O';
- vsprintf(ppbuf + 1, fmt, args) + 1;
+ vsn... |
ad3ebcc2d06875738cd463fb5424cda70cd94a34 | Analyze and fix the following issue in the Linux kernel code: drm/i915/display: Prevent u64 underflow in intel_fbc_stolen_end | Problem Details:
Static analysis reveals a potential integer underflow in
intel_fbc_stolen_end. This can apparently occur if
intel_parent_stolen_area_size returns zero (or, theoretically, any value
less than 2^23), as 2^23 is subtracted from the return value and stored
in a u64. While this doesn't appear to cause any... | ```diff
diff --git a/drivers/gpu/drm/i915/display/intel_fbc.c b/drivers/gpu/drm/i915/display/intel_fbc.c
index fef2f35ff1e9..1f3f5237a1c2 100644
--- a/drivers/gpu/drm/i915/display/intel_fbc.c
+++ b/drivers/gpu/drm/i915/display/intel_fbc.c
@@ -809,19 +809,32 @@ static u64 intel_fbc_cfb_base_max(struct intel_display *dis... |
891b77d459d0ce993c68365d899134bc9fd47ac0 | Analyze and fix the following issue in the Linux kernel code: ALSA: hda/realtek: fix right sounds and mute/micmute LEDs for HP machine | Problem Details:
The HP EliteBook 630 G11 (103c:8c8f) is using ALC236 codec which used 0x02
to control mute LED and 0x01 to control micmute LED. Therefore, add a quirk
to make it works.
Link: https://bugzilla.kernel.org/show_bug.cgi?id=220828
Cc: <stable@vger.kernel.org>
Signed-off-by: Zhang Heng <zhangheng@kylinos.cn... | ```diff
diff --git a/sound/hda/codecs/realtek/alc269.c b/sound/hda/codecs/realtek/alc269.c
index 4b19d26d9822..a9ee084677ec 100644
--- a/sound/hda/codecs/realtek/alc269.c
+++ b/sound/hda/codecs/realtek/alc269.c
@@ -6750,6 +6750,7 @@ static const struct hda_quirk alc269_fixup_tbl[] = {
SND_PCI_QUIRK(0x103c, 0x8c8c, "H... |
cefcb9297fbdb6d94b61787b4f8d84f55b741470 | Analyze and fix the following issue in the Linux kernel code: md raid: fix hang when stopping arrays with metadata through dm-raid | Problem Details:
When using device-mapper's dm-raid target, stopping a RAID array can cause
the system to hang under specific conditions.
This occurs when:
- A dm-raid managed device tree is suspended from top to bottom
(the top-level RAID device is suspended first, followed by its
underlying metadata and data... | ```diff
diff --git a/drivers/md/md.c b/drivers/md/md.c
index 606f616190d7..59cd303548de 100644
--- a/drivers/md/md.c
+++ b/drivers/md/md.c
@@ -6851,13 +6851,15 @@ static void __md_stop_writes(struct mddev *mddev)
{
timer_delete_sync(&mddev->safemode_timer);
- if (mddev->pers && mddev->pers->quiesce) {
- mddev->pe... |
f150e753cb8dd756085f46e86f2c35ce472e0a3c | Analyze and fix the following issue in the Linux kernel code: md-cluster: fix NULL pointer dereference in process_metadata_update | Problem Details:
The function process_metadata_update() blindly dereferences the 'thread'
pointer (acquired via rcu_dereference_protected) within the wait_event()
macro.
While the code comment states "daemon thread must exist", there is a valid
race condition window during the MD array startup sequence (md_run):
1. b... | ```diff
diff --git a/drivers/md/md-cluster.c b/drivers/md/md-cluster.c
index 11f1e91d387d..896279988dfd 100644
--- a/drivers/md/md-cluster.c
+++ b/drivers/md/md-cluster.c
@@ -549,8 +549,13 @@ static void process_metadata_update(struct mddev *mddev, struct cluster_msg *msg
dlm_lock_sync(cinfo->no_new_dev_lockres, DL... |
46ef85f854dfa9d5226b3c1c46493d79556c9589 | Analyze and fix the following issue in the Linux kernel code: md/bitmap: fix GPF in write_page caused by resize race | Problem Details:
A General Protection Fault occurs in write_page() during array resize:
RIP: 0010:write_page+0x22b/0x3c0 [md_mod]
This is a use-after-free race between bitmap_daemon_work() and
__bitmap_resize(). The daemon iterates over `bitmap->storage.filemap`
without locking, while the resize path frees that storag... | ```diff
diff --git a/drivers/md/md-bitmap.c b/drivers/md/md-bitmap.c
index dbe4c4b9a1da..1d4a050dab3a 100644
--- a/drivers/md/md-bitmap.c
+++ b/drivers/md/md-bitmap.c
@@ -2453,6 +2453,7 @@ static int __bitmap_resize(struct bitmap *bitmap, sector_t blocks,
memcpy(page_address(store.sb_page),
page_address(bi... |
d119bd2e1643cc023210ff3c6f0657e4f914e71d | Analyze and fix the following issue in the Linux kernel code: md/md-llbitmap: fix percpu_ref not resurrected on suspend timeout | Problem Details:
When llbitmap_suspend_timeout() times out waiting for percpu_ref to
become zero, it returns -ETIMEDOUT without resurrecting the percpu_ref.
The caller (md_llbitmap_daemon_fn) then continues to the next page
without calling llbitmap_resume(), leaving the percpu_ref in a killed
state permanently.
Fix th... | ```diff
diff --git a/drivers/md/md-llbitmap.c b/drivers/md/md-llbitmap.c
index 9c1ade19b774..cd713a7dc270 100644
--- a/drivers/md/md-llbitmap.c
+++ b/drivers/md/md-llbitmap.c
@@ -712,8 +712,10 @@ static int llbitmap_suspend_timeout(struct llbitmap *llbitmap, int page_idx)
percpu_ref_kill(&pctl->active);
if (!wait... |
cd1635d844d26471c56c0a432abdee12fc9ad735 | Analyze and fix the following issue in the Linux kernel code: md/raid5: fix IO hang with degraded array with llbitmap | Problem Details:
When llbitmap bit state is still unwritten, any new write should force
rcw, as bitmap_ops->blocks_synced() is checked in handle_stripe_dirtying().
However, later the same check is missing in need_this_block(), causing
stripe to deadloop during handling because handle_stripe() will decide
to go to handl... | ```diff
diff --git a/drivers/md/raid5.c b/drivers/md/raid5.c
index 6d408aaaacf3..8854e024f311 100644
--- a/drivers/md/raid5.c
+++ b/drivers/md/raid5.c
@@ -3751,9 +3751,14 @@ static int need_this_block(struct stripe_head *sh, struct stripe_head_state *s,
struct r5dev *dev = &sh->dev[disk_idx];
struct r5dev *fdev[2] ... |
7435b73f05fbb40c07b087fefd3d40bfd759519c | Analyze and fix the following issue in the Linux kernel code: md/raid10: cleanup skip handling in raid10_sync_request | Problem Details:
Skip a sector in raid10_sync_request() when it needs no syncing or no
readable device exists. Current skip handling is unnecessary:
- Use 'skip' label to reissue the next sector instead of return directly
- Complete sync and return 'max_sectors' when multiple sectors are skipped
due to badblocks
Th... | ```diff
diff --git a/drivers/md/raid10.c b/drivers/md/raid10.c
index b258ed8b4e3a..6f5a4aefb4e5 100644
--- a/drivers/md/raid10.c
+++ b/drivers/md/raid10.c
@@ -3161,11 +3161,8 @@ static sector_t raid10_sync_request(struct mddev *mddev, sector_t sector_nr,
int i;
int max_sync;
sector_t sync_blocks;
- sector_t secto... |
99582edb3f62e8ee6c34512021368f53f9b091f2 | Analyze and fix the following issue in the Linux kernel code: md/raid10: fix any_working flag handling in raid10_sync_request | Problem Details:
In raid10_sync_request(), 'any_working' indicates if any IO will
be submitted. When there's only one In_sync disk with badblocks,
'any_working' might be set to 1 but no IO is submitted. Fix it by
setting 'any_working' after badblock checks.
Link: https://lore.kernel.org/linux-raid/20260105110300.14425... | ```diff
diff --git a/drivers/md/raid10.c b/drivers/md/raid10.c
index 7fe363729a5a..b258ed8b4e3a 100644
--- a/drivers/md/raid10.c
+++ b/drivers/md/raid10.c
@@ -3395,7 +3395,6 @@ static sector_t raid10_sync_request(struct mddev *mddev, sector_t sector_nr,
!test_bit(In_sync, &rdev->flags))
continue;
/*... |
fd4d44c14ff6a0e815eefd5d87bbba2b2668b18f | Analyze and fix the following issue in the Linux kernel code: md: mark rdev Faulty when badblocks setting fails | Problem Details:
Currently when sync read fails and badblocks set fails (exceeding
512 limit), rdev isn't immediately marked Faulty. Instead
'recovery_disabled' is set and non-In_sync rdevs are removed later.
This preserves array availability if bad regions aren't read, but bad
sectors might be read by users before rde... | ```diff
diff --git a/drivers/md/md.c b/drivers/md/md.c
index 97b023536afc..f1debba1b026 100644
--- a/drivers/md/md.c
+++ b/drivers/md/md.c
@@ -10422,8 +10422,14 @@ bool rdev_set_badblocks(struct md_rdev *rdev, sector_t s, int sectors,
else
s += rdev->data_offset;
- if (!badblocks_set(&rdev->badblocks, s, sectors... |
2d9f7150ac197ce79c9c917a004d4cf0b26ad7e0 | Analyze and fix the following issue in the Linux kernel code: md/raid5: fix raid5_run() to return error when log_init() fails | Problem Details:
Since commit f63f17350e53 ("md/raid5: use the atomic queue limit
update APIs"), the abort path in raid5_run() returns 'ret' instead of
-EIO. However, if log_init() fails, 'ret' is still 0 from the previous
successful call, causing raid5_run() to return success despite the
failure.
Fix this by capturin... | ```diff
diff --git a/drivers/md/raid5.c b/drivers/md/raid5.c
index 8dc98f545969..a85878b009f9 100644
--- a/drivers/md/raid5.c
+++ b/drivers/md/raid5.c
@@ -8057,7 +8057,8 @@ static int raid5_run(struct mddev *mddev)
goto abort;
}
- if (log_init(conf, journal_dev, raid5_has_ppl(conf)))
+ ret = log_init(conf, jour... |
540de7ade1e1327119e367ec5f662a627b3fe9f9 | Analyze and fix the following issue in the Linux kernel code: riscv/mm: update write protect to work on shadow stacks | Problem Details:
'fork' implements copy-on-write (COW) by making pages readonly in both
child and parent.
ptep_set_wrprotect() and pte_wrprotect() clear _PAGE_WRITE in PTE.
The assumption is that the page is readable and, on a fault,
copy-on-write happens.
To implement COW on shadow stack pages, clearing the W bit ma... | ```diff
diff --git a/arch/riscv/include/asm/pgtable.h b/arch/riscv/include/asm/pgtable.h
index 7f81eecac243..1340aa398a74 100644
--- a/arch/riscv/include/asm/pgtable.h
+++ b/arch/riscv/include/asm/pgtable.h
@@ -411,7 +411,7 @@ static inline int pte_special(pte_t pte)
static inline pte_t pte_wrprotect(pte_t pte)
{
-... |
c68c2ef9d64169317a6e0e6f0506953637760409 | Analyze and fix the following issue in the Linux kernel code: riscv/mm: teach pte_mkwrite to manufacture shadow stack PTEs | Problem Details:
pte_mkwrite() creates PTEs with WRITE encodings for the underlying
architecture. The underlying architecture can have two types of
writeable mappings: one that can be written using regular store
instructions, and another one that can only be written using
specialized store instructions (like shadow st... | ```diff
diff --git a/arch/riscv/include/asm/pgtable.h b/arch/riscv/include/asm/pgtable.h
index 153a692a5640..7f81eecac243 100644
--- a/arch/riscv/include/asm/pgtable.h
+++ b/arch/riscv/include/asm/pgtable.h
@@ -451,6 +451,10 @@ static inline pte_t pte_swp_clear_uffd_wp(pte_t pte)
/* static inline pte_t pte_mkread(pt... |
f56ffb8ada46aae61580905d93c31e4006572240 | Analyze and fix the following issue in the Linux kernel code: riscv/mm: manufacture shadow stack ptes | Problem Details:
This patch implements the creation of a shadow stack pte on
riscv. Creating shadow stack PTE on riscv means clearing RWX and then
setting W=1.
Reviewed-by: Alexandre Ghiti <alexghiti@rivosinc.com>
Reviewed-by: Zong Li <zong.li@sifive.com>
Signed-off-by: Deepak Gupta <debug@rivosinc.com>
Tested-by: And... | ```diff
diff --git a/arch/riscv/include/asm/pgtable.h b/arch/riscv/include/asm/pgtable.h
index b384a1a9327e..153a692a5640 100644
--- a/arch/riscv/include/asm/pgtable.h
+++ b/arch/riscv/include/asm/pgtable.h
@@ -456,6 +456,11 @@ static inline pte_t pte_mkwrite_novma(pte_t pte)
return __pte(pte_val(pte) | _PAGE_WRITE);... |
6c7559f22b6fcb2d4b52c445434c71ade36b004c | Analyze and fix the following issue in the Linux kernel code: riscv/mm: ensure PROT_WRITE leads to VM_READ | VM_WRITE | Problem Details:
'arch_calc_vm_prot_bits' is implemented on risc-v to return VM_READ |
VM_WRITE if PROT_WRITE is specified. Similarly 'riscv_sys_mmap' is
updated to convert all incoming PROT_WRITE to (PROT_WRITE | PROT_READ).
This is to make sure that any existing apps using PROT_WRITE still work.
Earlier 'protection_... | ```diff
diff --git a/arch/riscv/include/asm/mman.h b/arch/riscv/include/asm/mman.h
new file mode 100644
index 000000000000..0ad1d19832eb
--- /dev/null
+++ b/arch/riscv/include/asm/mman.h
@@ -0,0 +1,26 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+#ifndef __ASM_MMAN_H__
+#define __ASM_MMAN_H__
+
+#include <linux/compiler.... |
79dd4f2f40d0414aab670c46b801b11850306448 | Analyze and fix the following issue in the Linux kernel code: riscv: Add usercfi state for task and save/restore of CSR_SSP on trap entry/exit | Problem Details:
Carve out space in the RISC-V architecture-specific thread struct for
cfi status and shadow stack in usermode.
This patch:
- defines a new structure cfi_status with status bit for cfi feature
- defines shadow stack pointer, base and size in cfi_status structure
- defines offsets to new member fields i... | ```diff
diff --git a/arch/riscv/include/asm/processor.h b/arch/riscv/include/asm/processor.h
index da5426122d28..4c3dd94d0f63 100644
--- a/arch/riscv/include/asm/processor.h
+++ b/arch/riscv/include/asm/processor.h
@@ -16,6 +16,7 @@
#include <asm/insn-def.h>
#include <asm/alternative-macros.h>
#include <asm/hwcap.h>... |
41a2452c99f327f2b57811e63f6d2497a4a96a9f | Analyze and fix the following issue in the Linux kernel code: riscv: add Zicfiss / Zicfilp extension CSR and bit definitions | Problem Details:
The Zicfiss and Zicfilp extensions are enabled via b3 and b2 in
*envcfg CSRs. menvcfg controls enabling for S/HS mode. henvcfg
controls enabling for VS. senvcfg controls enabling for U/VU mode.
The Zicfilp extension extends *status CSRs to hold an 'expected
landing pad' bit. A trap or interrupt ca... | ```diff
diff --git a/arch/riscv/include/asm/csr.h b/arch/riscv/include/asm/csr.h
index 4a37a98398ad..55a07e8722ff 100644
--- a/arch/riscv/include/asm/csr.h
+++ b/arch/riscv/include/asm/csr.h
@@ -18,6 +18,15 @@
#define SR_MPP _AC(0x00001800, UL) /* Previously Machine */
#define SR_SUM _AC(0x00040000, UL) /* Supervis... |
df11708566d7458d1ce11eb28a59ef6a42ee5236 | Analyze and fix the following issue in the Linux kernel code: riscv: zicfiss / zicfilp enumeration | Problem Details:
This patch adds support for detecting the RISC-V ISA extensions
Zicfiss and Zicfilp. Zicfiss and Zicfilp stand for the unprivileged
integer spec extensions for shadow stack and indirect branch tracking,
respectively.
This patch looks for Zicfiss and Zicfilp in the device tree and
accordingly lights u... | ```diff
diff --git a/arch/riscv/include/asm/cpufeature.h b/arch/riscv/include/asm/cpufeature.h
index 62837fa981e8..739fcc84bf7b 100644
--- a/arch/riscv/include/asm/cpufeature.h
+++ b/arch/riscv/include/asm/cpufeature.h
@@ -152,4 +152,16 @@ static __always_inline bool riscv_cpu_has_extension_unlikely(int cpu, const unsi... |
f94645fc03b864cf0823548c87a455346e87c22c | Analyze and fix the following issue in the Linux kernel code: dt-bindings: riscv: document zicfilp and zicfiss in extensions.yaml | Problem Details:
Make an entry for cfi extensions in extensions.yaml.
Signed-off-by: Deepak Gupta <debug@rivosinc.com>
Acked-by: Rob Herring (Arm) <robh@kernel.org>
Tested-by: Andreas Korb <andreas.korb@aisec.fraunhofer.de> # QEMU, custom CVA6
Tested-by: Valentin Haudiquet <valentin.haudiquet@canonical.com>
Link: http... | ```diff
diff --git a/Documentation/devicetree/bindings/riscv/extensions.yaml b/Documentation/devicetree/bindings/riscv/extensions.yaml
index 5bab356addc8..1aeff17c7f24 100644
--- a/Documentation/devicetree/bindings/riscv/extensions.yaml
+++ b/Documentation/devicetree/bindings/riscv/extensions.yaml
@@ -469,6 +469,20 @@ ... |
98036587a475f371005e42d3fff9feb9cf713880 | Analyze and fix the following issue in the Linux kernel code: mm: add VM_SHADOW_STACK definition for riscv | Problem Details:
VM_HIGH_ARCH_5 is used for riscv.
Reviewed-by: Zong Li <zong.li@sifive.com>
Reviewed-by: Alexandre Ghiti <alexghiti@rivosinc.com>
Acked-by: David Hildenbrand <david@redhat.com>
Signed-off-by: Deepak Gupta <debug@rivosinc.com>
Tested-by: Andreas Korb <andreas.korb@aisec.fraunhofer.de> # QEMU, custom CV... | ```diff
diff --git a/include/linux/mm.h b/include/linux/mm.h
index f0d5be9dc736..26c8a0c3fbaa 100644
--- a/include/linux/mm.h
+++ b/include/linux/mm.h
@@ -359,7 +359,7 @@ enum {
DECLARE_VMA_BIT_ALIAS(PKEY_BIT2, HIGH_ARCH_2),
DECLARE_VMA_BIT_ALIAS(PKEY_BIT3, HIGH_ARCH_3),
DECLARE_VMA_BIT_ALIAS(PKEY_BIT4, HIGH_ARCH... |
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