id stringlengths 40 40 | instruction stringlengths 68 308 | input stringlengths 17 33.4k | output stringlengths 100 30k |
|---|---|---|---|
136c5b40e0ad84f4b4a38584089cd565b97f799c | Analyze and fix the following issue in the Linux kernel code: selftests/mm: use selftests framework to print test result | Problem Details:
Otherwise the number of tests does not match the reality.
Link: https://lkml.kernel.org/r/20250110235028.96824-1-ziy@nvidia.com
Fixes: 391e86971161 ("mm: selftest to verify zero-filled pages are mapped to zeropage")
Signed-off-by: Zi Yan <ziy@nvidia.com>
Cc: Alexander Zhu <alexlzhu@fb.com>
Cc: Rik van... | ```diff
diff --git a/tools/testing/selftests/mm/split_huge_page_test.c b/tools/testing/selftests/mm/split_huge_page_test.c
index eb6d1b9fc362..cd74ea9b1295 100644
--- a/tools/testing/selftests/mm/split_huge_page_test.c
+++ b/tools/testing/selftests/mm/split_huge_page_test.c
@@ -108,38 +108,28 @@ static void verify_rss_... |
91fe0e4d044044592e667fd4784edc39fe53bbd8 | Analyze and fix the following issue in the Linux kernel code: Documentation/filesystems/proc.rst: fix possessive form of "process" | Problem Details:
The possessive form of "process" is "process's". Fix up various
misdirected attempts at this. Also reflow some paragraphs.
Cc: David Hildenbrand <david@redhat.com>
Cc: Wang Yaxin <wang.yaxin@zte.com.cn>
Cc: xu xin <xu.xin16@zte.com.cn>
Cc: Yang Yang <yang.yang29@zte.com.cn>
Signed-off-by: Andrew Mor... | ```diff
diff --git a/Documentation/filesystems/proc.rst b/Documentation/filesystems/proc.rst
index 4e06f246407c..09f0aed5a08b 100644
--- a/Documentation/filesystems/proc.rst
+++ b/Documentation/filesystems/proc.rst
@@ -48,7 +48,7 @@ fixes/update part 1.1 Stefani Seibold <stefani@seibold.net> June 9 2009
3.11 /pr... |
d783cc5913f17b2b5d9c51cb0904860ec97ed44d | Analyze and fix the following issue in the Linux kernel code: mm/damon: explain "effective quota" on kernel-doc comment | Problem Details:
The kernel-doc comment for 'struct damos_quota' describes how "effective
quota" is calculated, but does not explain what it is. Actually there was
an input[1] about it. Add the explanation on the comment.
Also, fix a trivial typo on the comment block: s/empt/empty/
[1] https://github.com/damonitor/... | ```diff
diff --git a/include/linux/damon.h b/include/linux/damon.h
index 0834d7ffcb84..af525252b853 100644
--- a/include/linux/damon.h
+++ b/include/linux/damon.h
@@ -193,11 +193,16 @@ struct damos_quota_goal {
* size quota is set, DAMON tries to apply the action only up to &sz bytes
* within &reset_interval.
*
-... |
eb14b12c8c22fb8bcc72b8f02889a02cf3577590 | Analyze and fix the following issue in the Linux kernel code: Docs/admin-guide/mm/damon/usage: fix and add missing DAMOS filter sysfs files on files hierarchy | Problem Details:
DAMOS filter directory part of DAMON sysfs files hierarchy on the usage
document is wrong. 'memcg_path' file under the directory is wrongly
written as 'memcg_id'. Also the directory has 'addr_start', 'addr_end',
and 'target_idx' files, but the list is missing those. Fix the wrong name
and add missin... | ```diff
diff --git a/Documentation/admin-guide/mm/damon/usage.rst b/Documentation/admin-guide/mm/damon/usage.rst
index f0d0c20711d6..47a44bd348ab 100644
--- a/Documentation/admin-guide/mm/damon/usage.rst
+++ b/Documentation/admin-guide/mm/damon/usage.rst
@@ -83,7 +83,7 @@ comma (",").
│ │ │ │ │ │ │ │ │ 0/target_me... |
82047ae18446c2c5e97a9bf114c5c871212a656e | Analyze and fix the following issue in the Linux kernel code: Docs/mm/damon/design: add monitoring parameters tuning guide | Problem Details:
Patch series "Docs/mm/damon: add tuning guide and misc updates".
Add DAMON monitoring parameters tuning guide (patches 1 and 2), with misc
documentation fixes (patch 3), updates (patch 4) and clarifications (patch
5).
This patch (of 5):
DAMON monitoring parameters including sampling and aggregation... | ```diff
diff --git a/Documentation/mm/damon/design.rst b/Documentation/mm/damon/design.rst
index 667775bab86c..dd7e0f63a69a 100644
--- a/Documentation/mm/damon/design.rst
+++ b/Documentation/mm/damon/design.rst
@@ -203,6 +203,8 @@ This scheme, however, cannot preserve the quality of the output if the
assumption is not... |
a52dcec56c5b96250f15efbd7de3d3ea6ce863d9 | Analyze and fix the following issue in the Linux kernel code: mm/mglru: fix PTE-mapped large folios | Problem Details:
Count the accessed bits from PTEs mapping the same large folio as one
access rather than multiple accesses.
The last patch changed how folios accessed through page tables are
promoted: rather than getting promoted after the accessed bit is cleared
for the first time, a folio only gets promoted thereaf... | ```diff
diff --git a/mm/vmscan.c b/mm/vmscan.c
index 9b8e0a9fc9d5..f5970fdd759c 100644
--- a/mm/vmscan.c
+++ b/mm/vmscan.c
@@ -3423,29 +3423,55 @@ static bool suitable_to_scan(int total, int young)
return young * n >= total;
}
+static void walk_update_folio(struct lru_gen_mm_walk *walk, struct folio *folio,
+ ... |
9cbfd1c3c83b62c42ff46e17227e996cc9b2b336 | Analyze and fix the following issue in the Linux kernel code: mm/mglru: clean up workingset | Problem Details:
Patch series "mm/mglru: performance optimizations", v4.
This series improves performance for some previously reported test cases.
Most of the code changes gathered here has been floating on the mailing
list [1][2]. They are now properly organized and have gone through
various benchmarks on client an... | ```diff
diff --git a/mm/workingset.c b/mm/workingset.c
index a4705e196545..ad181d1b8cf1 100644
--- a/mm/workingset.c
+++ b/mm/workingset.c
@@ -428,17 +428,17 @@ bool workingset_test_recent(void *shadow, bool file, bool *workingset,
struct pglist_data *pgdat;
unsigned long eviction;
- rcu_read_lock();
-
if (lru_... |
07438779313caafe52ac1a1a6958d735a5938988 | Analyze and fix the following issue in the Linux kernel code: alloc_tag: avoid current->alloc_tag manipulations when profiling is disabled | Problem Details:
When memory allocation profiling is disabled there is no need to update
current->alloc_tag and these manipulations add unnecessary overhead. Fix
the overhead by skipping these extra updates.
I ran comprehensive testing on Pixel 6 on Big, Medium and Little cores:
Overhead before fixe... | ```diff
diff --git a/include/linux/alloc_tag.h b/include/linux/alloc_tag.h
index 0bbbe537c5f9..a946e0203e6d 100644
--- a/include/linux/alloc_tag.h
+++ b/include/linux/alloc_tag.h
@@ -224,9 +224,14 @@ static inline void alloc_tag_sub(union codetag_ref *ref, size_t bytes) {}
#define alloc_hooks_tag(_tag, _do_alloc) ... |
ade81479c7dda1ce3eedb215c78bc615bbd04f06 | Analyze and fix the following issue in the Linux kernel code: memcg: fix soft lockup in the OOM process | Problem Details:
A soft lockup issue was found in the product with about 56,000 tasks were
in the OOM cgroup, it was traversing them when the soft lockup was
triggered.
watchdog: BUG: soft lockup - CPU#2 stuck for 23s! [VM Thread:1503066]
CPU: 2 PID: 1503066 Comm: VM Thread Kdump: loaded Tainted: G
Hardware name: Huaw... | ```diff
diff --git a/mm/memcontrol.c b/mm/memcontrol.c
index 65fb5eee1466..46f8b372d212 100644
--- a/mm/memcontrol.c
+++ b/mm/memcontrol.c
@@ -1161,6 +1161,7 @@ void mem_cgroup_scan_tasks(struct mem_cgroup *memcg,
{
struct mem_cgroup *iter;
int ret = 0;
+ int i = 0;
BUG_ON(mem_cgroup_is_root(memcg));
@@ -116... |
f4e33d325fe6633e66a2a2014afb2e9920e4bd1e | Analyze and fix the following issue in the Linux kernel code: mm/zsmalloc: add zpdesc memory descriptor for zswap.zpool | Problem Details:
Patch series "Add zpdesc memory descriptor for zswap.zpool", v9.
This patch series introduces a new memory descriptor for zswap.zpool that
currently overlaps with struct page for now. This is part of the effort
to reduce the size of struct page and to enable dynamic allocation of
memory descriptors [... | ```diff
diff --git a/mm/zpdesc.h b/mm/zpdesc.h
new file mode 100644
index 000000000000..ad0443a1eda4
--- /dev/null
+++ b/mm/zpdesc.h
@@ -0,0 +1,107 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+/* zpdesc.h: zswap.zpool memory descriptor
+ *
+ * Written by Alex Shi <alexs@kernel.org>
+ * Hyeonggon Yoo <42.hyeyoo@gma... |
b2466bb3b4955350ee102b29c904ef301cb72bd2 | Analyze and fix the following issue in the Linux kernel code: selftests/mm: introduce uffd-wp-mremap regression test | Problem Details:
Introduce a test that registers a range of memory for
UFFDIO_WRITEPROTECT_MODE_WP without UFFD_FEATURE_EVENT_REMAP. First check
that the uffd-wp bit is set for every PTE in the range. Then mremap() the
range to a new location and check that the uffd-wp bit is clear for every
PTE in the range.
Run th... | ```diff
diff --git a/tools/testing/selftests/mm/.gitignore b/tools/testing/selftests/mm/.gitignore
index a51a947b2d1d..121000c28c10 100644
--- a/tools/testing/selftests/mm/.gitignore
+++ b/tools/testing/selftests/mm/.gitignore
@@ -27,6 +27,7 @@ protection_keys_64
madv_populate
uffd-stress
uffd-unit-tests
+uffd-wp-mr... |
58db7c5fbe7daa42098d4965133a864f98ba90ba | Analyze and fix the following issue in the Linux kernel code: mm/hugetlb: fix avoid_reserve to allow taking folio from subpool | Problem Details:
Patch series "mm/hugetlb: Refactor hugetlb allocation resv accounting",
v2.
This is a follow up on Ackerley's series here as replacement:
https://lore.kernel.org/r/cover.1728684491.git.ackerleytng@google.com
The goal of this series is to cleanup hugetlb resv accounting, especially
during folio alloc... | ```diff
diff --git a/mm/hugetlb.c b/mm/hugetlb.c
index 312ed27b9721..a10d376cb1a8 100644
--- a/mm/hugetlb.c
+++ b/mm/hugetlb.c
@@ -1398,8 +1398,7 @@ static unsigned long available_huge_pages(struct hstate *h)
static struct folio *dequeue_hugetlb_folio_vma(struct hstate *h,
struct vm_area_struct *vma,
- unsig... |
63db8170bf34ce9e0763f87d993cf9b4c9002b09 | Analyze and fix the following issue in the Linux kernel code: mm/fake-numa: allow later numa node hotplug | Problem Details:
Current fake-numa implementation prevents new Numa nodes to be later
hot-plugged by drivers. A common symptom of this limitation is the "node
<X> was absent from the node_possible_map" message by associated warning
in mm/memory_hotplug.c: add_memory_resource().
This comes from the lack of remapping i... | ```diff
diff --git a/drivers/acpi/numa/srat.c b/drivers/acpi/numa/srat.c
index bec0dcd1f9c3..59fffe34c9d0 100644
--- a/drivers/acpi/numa/srat.c
+++ b/drivers/acpi/numa/srat.c
@@ -81,6 +81,92 @@ int acpi_map_pxm_to_node(int pxm)
}
EXPORT_SYMBOL(acpi_map_pxm_to_node);
+#ifdef CONFIG_NUMA_EMU
+/*
+ * Take max_nid - 1 ... |
fe1679ed02bc24d88918c555dd9e5d95ddb03ab1 | Analyze and fix the following issue in the Linux kernel code: mm/debug: prefer VM_WARN_ON_VMG() to report VMG debug warnings | Problem Details:
Now we have VM_WARN_ON_VMG() to provide us with considerably more debug
output when a debug assert fails, utilise it everywhere we can.
This allows us to have considerably more information to go on when things
go wrong, especially when a non-repro issue occurs as reported by
syzkaller or the like.
Li... | ```diff
diff --git a/mm/vma.c b/mm/vma.c
index 0caaeea899a9..5ef2ea843a8a 100644
--- a/mm/vma.c
+++ b/mm/vma.c
@@ -729,19 +729,20 @@ static __must_check struct vm_area_struct *vma_merge_existing_range(
bool expanded;
mmap_assert_write_locked(vmg->mm);
- VM_WARN_ON(!vma); /* We are modifying a VMA, so caller must ... |
b0d66d82fce60161de6f3d57f87016c3a6f7a121 | Analyze and fix the following issue in the Linux kernel code: mm/debug: introduce VM_WARN_ON_VMG() to dump VMA merge state | Problem Details:
Patch series "mm/debug: introduce and use VM_WARN_ON_VMG()".
We use a number of asserts, enabled only when CONFIG_DEBUG_VM is set,
during VMA merge operations to ensure state is as expected.
However, when syzkaller or the like encounters these asserts, often the
information provided by the report is ... | ```diff
diff --git a/include/linux/mmdebug.h b/include/linux/mmdebug.h
index d7cb1e5ecbda..a0a3894900ed 100644
--- a/include/linux/mmdebug.h
+++ b/include/linux/mmdebug.h
@@ -9,10 +9,12 @@ struct page;
struct vm_area_struct;
struct mm_struct;
struct vma_iterator;
+struct vma_merge_struct;
void dump_page(const str... |
30cee1e4861b59200aa09c94a4d789c461e5f408 | Analyze and fix the following issue in the Linux kernel code: lib/list_debug.c: add object information in case of invalid object | Problem Details:
As of now during link list corruption it prints about cluprit address and
its wrong value, but sometime it is not enough to catch the actual issue
point.
If it prints allocation and free path of that corrupted node, it will be a
lot easier to find and fix the issues.
Adding the same information when ... | ```diff
diff --git a/fs/open.c b/fs/open.c
index e6911101fe71..0f75e220b700 100644
--- a/fs/open.c
+++ b/fs/open.c
@@ -1504,7 +1504,7 @@ static int filp_flush(struct file *filp, fl_owner_t id)
{
int retval = 0;
- if (CHECK_DATA_CORRUPTION(file_count(filp) == 0,
+ if (CHECK_DATA_CORRUPTION(file_count(filp) == 0, fi... |
ee0934b03510743ceacb12b63f1eaa85aae3bc61 | Analyze and fix the following issue in the Linux kernel code: x86: pgtable: move pagetable_dtor() to __tlb_remove_table() | Problem Details:
Move pagetable_dtor() to __tlb_remove_table(), so that ptlock and page
table pages can be freed together (regardless of whether RCU is used).
This prevents the use-after-free problem where the ptlock is freed
immediately but the page table pages is freed later via RCU.
Link: https://lkml.kernel.org/r... | ```diff
diff --git a/arch/x86/include/asm/tlb.h b/arch/x86/include/asm/tlb.h
index 680ec3d47915..f64730be5ad6 100644
--- a/arch/x86/include/asm/tlb.h
+++ b/arch/x86/include/asm/tlb.h
@@ -33,6 +33,7 @@ static inline void __tlb_remove_table(void *table)
{
struct ptdesc *ptdesc = (struct ptdesc *)table;
+ pagetable_d... |
deab5a355e5283d3802203b2be599611ad8af861 | Analyze and fix the following issue in the Linux kernel code: riscv: pgtable: move pagetable_dtor() to __tlb_remove_table() | Problem Details:
Move pagetable_dtor() to __tlb_remove_table(), so that ptlock and page
table pages can be freed together (regardless of whether RCU is used).
This prevents the use-after-free problem where the ptlock is freed
immediately but the page table pages is freed later via RCU.
Page tables shouldn't have swap... | ```diff
diff --git a/arch/riscv/include/asm/pgalloc.h b/arch/riscv/include/asm/pgalloc.h
index b6793c5c9929..c8907b831711 100644
--- a/arch/riscv/include/asm/pgalloc.h
+++ b/arch/riscv/include/asm/pgalloc.h
@@ -15,12 +15,22 @@
#define __HAVE_ARCH_PUD_FREE
#include <asm-generic/pgalloc.h>
+/*
+ * While riscv platfor... |
12359c039b5f510339cb3e68f8e6020e9a848e8c | Analyze and fix the following issue in the Linux kernel code: arm64: pgtable: move pagetable_dtor() to __tlb_remove_table() | Problem Details:
Move pagetable_dtor() to __tlb_remove_table(), so that ptlock and page
table pages can be freed together (regardless of whether RCU is used).
This prevents the use-after-free problem where the ptlock is freed
immediately but the page table pages is freed later via RCU.
Page tables shouldn't have swap... | ```diff
diff --git a/arch/arm64/include/asm/tlb.h b/arch/arm64/include/asm/tlb.h
index 408d0f36a8a8..93591a80b5bf 100644
--- a/arch/arm64/include/asm/tlb.h
+++ b/arch/arm64/include/asm/tlb.h
@@ -9,11 +9,13 @@
#define __ASM_TLB_H
#include <linux/pagemap.h>
-#include <linux/swap.h>
static inline void __tlb_remove_... |
0ada8c4df69722c6987976e421a43d0f8a2a319e | Analyze and fix the following issue in the Linux kernel code: arm: pgtable: move pagetable_dtor() to __tlb_remove_table() | Problem Details:
Move pagetable_dtor() to __tlb_remove_table(), so that ptlock and page
table pages can be freed together (regardless of whether RCU is used).
This prevents the use-after-free problem where the ptlock is freed
immediately but the page table pages is freed later via RCU.
Page tables shouldn't have swap... | ```diff
diff --git a/arch/arm/include/asm/tlb.h b/arch/arm/include/asm/tlb.h
index ef79bf1e8563..59854c6b97bc 100644
--- a/arch/arm/include/asm/tlb.h
+++ b/arch/arm/include/asm/tlb.h
@@ -26,12 +26,14 @@
#else /* !CONFIG_MMU */
-#include <linux/swap.h>
#include <asm/tlbflush.h>
static inline void __tlb_remove_t... |
db6b435d731a8d82c38e558175db55466cb5832a | Analyze and fix the following issue in the Linux kernel code: mm: pgtable: introduce pagetable_dtor() | Problem Details:
The pagetable_p*_dtor() are exactly the same except for the handling of
ptlock. If we make ptlock_free() handle the case where ptdesc->ptl is
NULL and remove VM_BUG_ON_PAGE() from pmd_ptlock_free(), we can unify
pagetable_p*_dtor() into one function. Let's introduce pagetable_dtor()
to do this.
Late... | ```diff
diff --git a/Documentation/mm/split_page_table_lock.rst b/Documentation/mm/split_page_table_lock.rst
index 581446d4a4eb..8e1ceb0a6619 100644
--- a/Documentation/mm/split_page_table_lock.rst
+++ b/Documentation/mm/split_page_table_lock.rst
@@ -62,7 +62,7 @@ Support of split page table lock by an architecture
==... |
5a32443f94d31d712c77d8793a947129f08226ee | Analyze and fix the following issue in the Linux kernel code: riscv: mm: skip pgtable level check in {pud,p4d}_alloc_one | Problem Details:
Patch series "move pagetable_*_dtor() to __tlb_remove_table()", v5.
As proposed [1] by Peter Zijlstra below, this patch series aims to move
pagetable_*_dtor() into __tlb_remove_table(). This will cleanup
pagetable_*_dtor() a bit and more gracefully fix the UAF issue [2]
reported by syzbot.
: Notably... | ```diff
diff --git a/arch/riscv/include/asm/pgalloc.h b/arch/riscv/include/asm/pgalloc.h
index f52264304f77..8ad0bbe838a2 100644
--- a/arch/riscv/include/asm/pgalloc.h
+++ b/arch/riscv/include/asm/pgalloc.h
@@ -12,7 +12,6 @@
#include <asm/tlb.h>
#ifdef CONFIG_MMU
-#define __HAVE_ARCH_PUD_ALLOC_ONE
#define __HAVE_A... |
71268035f5d734ad6373d953298bd5779985497a | Analyze and fix the following issue in the Linux kernel code: zram: free slot memory early during write | Problem Details:
Patch series "zram: split page type read/write handling", v2.
This is a subset of [1] series which contains only fixes and improvements
(no new features, as ZRAM_HUGE split is still under consideration).
The motivation for factoring out is that zram_write_page() gets more and
more complex all the tim... | ```diff
diff --git a/drivers/block/zram/zram_drv.c b/drivers/block/zram/zram_drv.c
index 7903a4da40ac..bf35575f5284 100644
--- a/drivers/block/zram/zram_drv.c
+++ b/drivers/block/zram/zram_drv.c
@@ -1649,6 +1649,11 @@ static int zram_write_page(struct zram *zram, struct page *page, u32 index)
unsigned long element = ... |
6769183166b33b1a5de8f938d1ff4d5f4be0f428 | Analyze and fix the following issue in the Linux kernel code: mm/swap_cgroup: decouple swap cgroup recording and clearing | Problem Details:
The current implementation of swap cgroup tracking is a bit complex and
fragile:
On charging path, swap_cgroup_record always records an actual memcg id,
and it depends on the caller to make sure all entries passed in must
belong to one single folio. As folios are always charged or uncharged as
a whol... | ```diff
diff --git a/include/linux/swap_cgroup.h b/include/linux/swap_cgroup.h
index d521ad1c4164..b5ec038069da 100644
--- a/include/linux/swap_cgroup.h
+++ b/include/linux/swap_cgroup.h
@@ -6,8 +6,8 @@
#if defined(CONFIG_MEMCG) && defined(CONFIG_SWAP)
-extern unsigned short swap_cgroup_record(swp_entry_t ent, uns... |
7e8c8fd3487c41690ebaf1f37218d8e191d45166 | Analyze and fix the following issue in the Linux kernel code: tools: testing: add simple __mmap_region() userland test | Problem Details:
Introduce demonstrative, basic, __mmap_region() test upon which we can
base further work upon moving forwards.
This simply asserts that mappings can be made and merges occur as
expected.
As part of this change, fix the security_vm_enough_memory_mm() stub which
was previously incorrectly implemented.
... | ```diff
diff --git a/tools/testing/vma/vma.c b/tools/testing/vma/vma.c
index 920fba58884e..04ab45e27fb8 100644
--- a/tools/testing/vma/vma.c
+++ b/tools/testing/vma/vma.c
@@ -1574,6 +1574,57 @@ static bool test_expand_only_mode(void)
return true;
}
+static bool test_mmap_region_basic(void)
+{
+ struct mm_struct mm... |
8e6173ccf7b87c1f855e1ad3d94fd50c51d1f46b | Analyze and fix the following issue in the Linux kernel code: mm: fix outdated incorrect code comments for handle_mm_fault() | Problem Details:
[akpm@linux-foundation.org: s/mmap_Lock/mmap_lock/, per Liam]
Link: https://lkml.kernel.org/r/20241213031820.778342-1-alexjlzheng@tencent.com
Signed-off-by: Jinliang Zheng <alexjlzheng@tencent.com>
Cc: "Liam R. Howlett" <Liam.Howlett@oracle.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org> | ```diff
diff --git a/mm/memory.c b/mm/memory.c
index 2d97a17dd3ba..90bda3de2191 100644
--- a/mm/memory.c
+++ b/mm/memory.c
@@ -6140,7 +6140,8 @@ static vm_fault_t sanitize_fault_flags(struct vm_area_struct *vma,
}
/*
- * By the time we get here, we already hold the mm semaphore
+ * By the time we get here, we alrea... |
35f5197009cae284cec9beb8b2692d2321a5bd3c | Analyze and fix the following issue in the Linux kernel code: bcachefs: Improve journal pin flushing | Problem Details:
Running the preempt tiering tests with a lower than normal journal
reclaim delay turned up a shutdown hang - a lost wakeup, caused because
flushing a journal pin (e.g. key cache/write buffer) can generate a new
journal pin.
The "simple" fix of adding the correct wakeup didn't work because of
ordering ... | ```diff
diff --git a/fs/bcachefs/debug.c b/fs/bcachefs/debug.c
index b5de52a50d10..55333e82d1fe 100644
--- a/fs/bcachefs/debug.c
+++ b/fs/bcachefs/debug.c
@@ -20,6 +20,7 @@
#include "extents.h"
#include "fsck.h"
#include "inode.h"
+#include "journal_reclaim.h"
#include "super.h"
#include <linux/console.h>
diff -... |
0c74c85bbe84f765220492938400b9d50d75e985 | Analyze and fix the following issue in the Linux kernel code: bcachefs: fix bch2_btree_node_flags | Problem Details:
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev> | ```diff
diff --git a/fs/bcachefs/btree_cache.c b/fs/bcachefs/btree_cache.c
index 672ca2c1d37d..ca755e8d1a37 100644
--- a/fs/bcachefs/btree_cache.c
+++ b/fs/bcachefs/btree_cache.c
@@ -24,7 +24,10 @@ do { \
} while (0)
const char * const bch2_btree_node_flags[] = {
-#define x(f) #f,
+ "typebit",
+ "typebit",
+ ... |
37fd6b8176520c7ebe4edf78b01f0ee0a0aab62d | Analyze and fix the following issue in the Linux kernel code: bcachefs: rebalance, copygc enabled are runtime opts | Problem Details:
Fix a regression from when these were switched to normal opts.h options.
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev> | ```diff
diff --git a/fs/bcachefs/opts.h b/fs/bcachefs/opts.h
index e763d52e0f38..a182b5d454ba 100644
--- a/fs/bcachefs/opts.h
+++ b/fs/bcachefs/opts.h
@@ -476,13 +476,13 @@ enum fsck_err_opts {
NULL, "Enable nocow mode: enables runtime locking in\n"\
"data move path needed if nocow will ever be in use\n")\
x... |
0f3a822ae2254a1e7ce3a130a1efd94e2cab73ee | Analyze and fix the following issue in the Linux kernel code: ALSA: hda/realtek: Fix quirk matching for Legion Pro 7 | Problem Details:
The recent cleanup of the quirk table entries with the codec ID
matching caused a regression on some Lenovo Legion 7 models with PCI
SSID 17aa:386f: it assumed wrongly as if the codec SSID on the machine
were also 17aa:386f, but in this case, it was 17aa:38a8. This made
the binding with a wrong sub-co... | ```diff
diff --git a/sound/pci/hda/patch_realtek.c b/sound/pci/hda/patch_realtek.c
index d3c9ed963588..d36a79a8ecbf 100644
--- a/sound/pci/hda/patch_realtek.c
+++ b/sound/pci/hda/patch_realtek.c
@@ -10918,7 +10918,7 @@ static const struct hda_quirk alc269_fixup_tbl[] = {
SND_PCI_QUIRK(0x17aa, 0x3869, "Lenovo Yoga7 14... |
c9ba5249ef8b080c6779d3da14a061f6d4d6d5fa | Analyze and fix the following issue in the Linux kernel code: Xarray: move forward index correctly in xas_pause() | Problem Details:
After xas_load(), xas->index could point to mid of found multi-index entry
and xas->index's bits under node->shift maybe non-zero. The afterward
xas_pause() will move forward xas->index with xa->node->shift with bits
under node->shift un-masked and thus skip some index unexpectedly.
Consider followin... | ```diff
diff --git a/lib/test_xarray.c b/lib/test_xarray.c
index b6cac747ec46..eab5971d0a48 100644
--- a/lib/test_xarray.c
+++ b/lib/test_xarray.c
@@ -1511,6 +1511,41 @@ static noinline void check_pause(struct kunit *test)
XA_BUG_ON(xa, count != order_limit);
xa_destroy(xa);
+
+ index = 0;
+ for (order = XA_CHUNK... |
7e060df04f562b37bdc101fd06b16f013e2d989b | Analyze and fix the following issue in the Linux kernel code: Xarray: do not return sibling entries from xas_find_marked() | Problem Details:
Patch series "Fixes and cleanups to xarray", v5.
This series contains some random fixes and cleanups to xarray. Patch 1-2
are fixes and patch 3-6 are cleanups. More details can be found in
respective patches.
This patch (of 5):
Similar to issue fixed in commit cbc02854331ed ("XArray: Do not retur... | ```diff
diff --git a/lib/xarray.c b/lib/xarray.c
index 5da8d18899a1..19a9ea183c2d 100644
--- a/lib/xarray.c
+++ b/lib/xarray.c
@@ -1387,6 +1387,8 @@ void *xas_find_marked(struct xa_state *xas, unsigned long max, xa_mark_t mark)
entry = xa_entry(xas->xa, xas->xa_node, xas->xa_offset);
if (!entry && !(xa_track_free... |
9c9ce355b1013a7ef37c06007cb8d714eaf4c303 | Analyze and fix the following issue in the Linux kernel code: gcov: clang: use correct function param names | Problem Details:
Fix the function parameter names to match the function so that
the kernel-doc warnings disappear.
clang.c:273: warning: Function parameter or struct member 'dst' not described in 'gcov_info_add'
clang.c:273: warning: Function parameter or struct member 'src' not described in 'gcov_info_add'
clang.c:27... | ```diff
diff --git a/kernel/gcov/clang.c b/kernel/gcov/clang.c
index 7670a811a565..8b888a6193cc 100644
--- a/kernel/gcov/clang.c
+++ b/kernel/gcov/clang.c
@@ -264,10 +264,10 @@ int gcov_info_is_compatible(struct gcov_info *info1, struct gcov_info *info2)
/**
* gcov_info_add - add up profiling data
- * @dest: profi... |
690794430afa75028a7daed65ba5c9f590d057ff | Analyze and fix the following issue in the Linux kernel code: latencytop: use correct kernel-doc format for func params | Problem Details:
Use a ':' instead of a '-' after function parameters to eliminate
kernel-doc warnings.
kernel/latencytop.c:177: warning: Function parameter or struct member 'tsk' not described in '__account_scheduler_latency'
../kernel/latencytop.c:177: warning: Function parameter or struct member 'usecs' not describ... | ```diff
diff --git a/kernel/latencytop.c b/kernel/latencytop.c
index 7a75eab9c179..77ee3ea8a573 100644
--- a/kernel/latencytop.c
+++ b/kernel/latencytop.c
@@ -158,9 +158,9 @@ account_global_scheduler_latency(struct task_struct *tsk,
/**
* __account_scheduler_latency - record an occurred latency
- * @tsk - the task... |
e30ccbb9c022660c52648f02ab6231d5dcaf4253 | Analyze and fix the following issue in the Linux kernel code: nilfs2: do not update mtime of renamed directory that is not moved | Problem Details:
A minor issue with nilfs_rename, originating from an old ext2
implementation, is that the mtime is updated even if the rename target is
a directory and it is renamed within the same directory, rather than moved
to a different directory.
In this case, the child directory being renamed does not change i... | ```diff
diff --git a/fs/nilfs2/namei.c b/fs/nilfs2/namei.c
index e02fae6757f1..953fbd5f0851 100644
--- a/fs/nilfs2/namei.c
+++ b/fs/nilfs2/namei.c
@@ -370,6 +370,7 @@ static int nilfs_rename(struct mnt_idmap *idmap,
struct folio *old_folio;
struct nilfs_dir_entry *old_de;
struct nilfs_transaction_info ti;
+ bool ... |
ee70999a988b8abc3490609142f50ebaa8344432 | Analyze and fix the following issue in the Linux kernel code: nilfs2: handle errors that nilfs_prepare_chunk() may return | Problem Details:
Patch series "nilfs2: fix issues with rename operations".
This series fixes BUG_ON check failures reported by syzbot around rename
operations, and a minor behavioral issue where the mtime of a child
directory changes when it is renamed instead of moved.
This patch (of 2):
The directory manipulation... | ```diff
diff --git a/fs/nilfs2/dir.c b/fs/nilfs2/dir.c
index 0a3aea6c416b..9b7f8e9655a2 100644
--- a/fs/nilfs2/dir.c
+++ b/fs/nilfs2/dir.c
@@ -400,7 +400,7 @@ int nilfs_inode_by_name(struct inode *dir, const struct qstr *qstr, ino_t *ino)
return 0;
}
-void nilfs_set_link(struct inode *dir, struct nilfs_dir_entry *... |
28097f7ba18753f7120bbd460bb2d099276dec8b | Analyze and fix the following issue in the Linux kernel code: CREDITS: fix spelling mistake | Problem Details:
Fix spelling error identified using codespell tool.
Link: https://lkml.kernel.org/r/20250111194709.51133-1-tanyaagarwal25699@gmail.com
Signed-off-by: Tanya Agarwal <tanyaagarwal25699@gmail.com>
Cc: Anup Sharma <anupnewsmail@gmail.com>
Cc: Shuah Khan <skhan@linuxfoundation.org>
Signed-off-by: Andrew Mo... | ```diff
diff --git a/CREDITS b/CREDITS
index b1777b53c63a..c7f962465108 100644
--- a/CREDITS
+++ b/CREDITS
@@ -4327,7 +4327,7 @@ D: Freescale Highspeed USB device driver
D: Freescale QE SoC support and Ethernet driver
S: B-1206 Jingmao Guojigongyu
S: 16 Baliqiao Nanjie, Beijing 101100
-S: People's Repulic of China
+... |
fd4e7fadfd91023c2c5868f16af3fe8bed06636b | Analyze and fix the following issue in the Linux kernel code: nilfs2: add missing return value kernel-doc descriptions | Problem Details:
There are a number of kernel-doc comments for functions that are missing
return values, which also causes a number of warnings when the kernel-doc
script is run with the "-Wall" option.
Fix this issue by adding proper return value descriptions, and improve
code maintainability.
Link: https://lkml.ker... | ```diff
diff --git a/fs/nilfs2/alloc.c b/fs/nilfs2/alloc.c
index ba3e1f591f36..6b506995818d 100644
--- a/fs/nilfs2/alloc.c
+++ b/fs/nilfs2/alloc.c
@@ -21,6 +21,8 @@
* nilfs_palloc_groups_per_desc_block - get the number of groups that a group
* descriptor block can maintain
* @inode: inode of metadata file usi... |
343d4a33f26d048fde4b02cfc3681f766b3f1b12 | Analyze and fix the following issue in the Linux kernel code: nilfs2: correct return value kernel-doc descriptions for the rest | Problem Details:
Similar to the previous changes to fix return value descriptions, this
fixes the format of the return value descriptions of functions for the
rest.
Link: https://lkml.kernel.org/r/20250110010530.21872-6-konishi.ryusuke@gmail.com
Signed-off-by: Ryusuke Konishi <konishi.ryusuke@gmail.com>
Cc: "Brian G .... | ```diff
diff --git a/fs/nilfs2/gcinode.c b/fs/nilfs2/gcinode.c
index 2dbb15767df1..561c220799c7 100644
--- a/fs/nilfs2/gcinode.c
+++ b/fs/nilfs2/gcinode.c
@@ -46,14 +46,11 @@
* specified by @pbn to the GC pagecache with the key @blkoff.
* This function sets @vbn (@pbn if @vbn is zero) in b_blocknr of the buffer.
... |
b8268501f1e3c49e3f90526d44b92eae4baa421b | Analyze and fix the following issue in the Linux kernel code: nilfs2: correct return value kernel-doc descriptions for metadata files | Problem Details:
Similar to the previous changes to fix return value descriptions, this
fixes the format of the return value descriptions for metadata file
functions other than sufile.
Link: https://lkml.kernel.org/r/20250110010530.21872-5-konishi.ryusuke@gmail.com
Signed-off-by: Ryusuke Konishi <konishi.ryusuke@gmail... | ```diff
diff --git a/fs/nilfs2/cpfile.c b/fs/nilfs2/cpfile.c
index c20207d7a989..a1c0c09f61e2 100644
--- a/fs/nilfs2/cpfile.c
+++ b/fs/nilfs2/cpfile.c
@@ -191,14 +191,11 @@ static inline int nilfs_cpfile_get_checkpoint_block(struct inode *cpfile,
* @cnop: place to store the next checkpoint number
* @bhp: place to s... |
d33544adcb89cd15f99de37fd5a1ea8e4838ec31 | Analyze and fix the following issue in the Linux kernel code: nilfs2: correct return value kernel-doc descriptions for sufile | Problem Details:
Similar to the previous changes to fix return value descriptions, this
fixes the format of the return value descriptions of functions for
sufile-related functions, eliminating a dozen warnings emitted by the
kernel-doc script.
Link: https://lkml.kernel.org/r/20250110010530.21872-4-konishi.ryusuke@gmai... | ```diff
diff --git a/fs/nilfs2/sufile.c b/fs/nilfs2/sufile.c
index d3ecc813d633..623d417a54eb 100644
--- a/fs/nilfs2/sufile.c
+++ b/fs/nilfs2/sufile.c
@@ -155,17 +155,13 @@ unsigned long nilfs_sufile_get_ncleansegs(struct inode *sufile)
* of successfully modified segments from the head is stored in the
* place @ndo... |
e4a99d48bb3adcd4cf4377dcdf2263158914b448 | Analyze and fix the following issue in the Linux kernel code: nilfs2: correct return value kernel-doc descriptions for bmap functions | Problem Details:
Similar to the previous patch to fix the ioctl return value descriptions,
this fixes the format of the return value descriptions for bmap (and
btree)-related functions, which was causing the kernel-doc script to emit
a number of warnings.
Link: https://lkml.kernel.org/r/20250110010530.21872-3-konishi.... | ```diff
diff --git a/fs/nilfs2/bmap.c b/fs/nilfs2/bmap.c
index c9e8d9a7d820..ccc1a7aa52d2 100644
--- a/fs/nilfs2/bmap.c
+++ b/fs/nilfs2/bmap.c
@@ -47,17 +47,14 @@ static int nilfs_bmap_convert_error(struct nilfs_bmap *bmap,
* @ptrp: place to store the value associated to @key
*
* Description: nilfs_bmap_lookup_at... |
17c46a45cdb94c500f4e93b176cdd61931b03020 | Analyze and fix the following issue in the Linux kernel code: nilfs2: correct return value kernel-doc descriptions for ioctl functions | Problem Details:
Patch series "nilfs2: fix kernel-doc comments for function return values",
v2.
This series fixes the inadequacies in the return value descriptions in
nilfs2's kernel-doc comments (mainly incorrect formatting), as well as the
lack of return value descriptions themselves, and fixes most of the
remaining... | ```diff
diff --git a/fs/nilfs2/ioctl.c b/fs/nilfs2/ioctl.c
index fa77f78df681..e877c97974a4 100644
--- a/fs/nilfs2/ioctl.c
+++ b/fs/nilfs2/ioctl.c
@@ -33,17 +33,14 @@
* @dofunc: concrete function of get/set metadata info
*
* Description: nilfs_ioctl_wrap_copy() gets/sets metadata info by means of
- * calling dofu... |
65ef17aa07115d1a8d21d77f1e7cef3b639a396f | Analyze and fix the following issue in the Linux kernel code: hung_task: add task->flags, blocked by coredump to log | Problem Details:
Resending this patch as I haven't received feedback on my initial
submission https://lore.kernel.org/all/20241204182953.10854-1-oxana@cloudflare.com/
For the processes which are terminated abnormally the kernel can provide
a coredump if enabled. When the coredump is performed, the process and
all its ... | ```diff
diff --git a/kernel/hung_task.c b/kernel/hung_task.c
index c18717189f32..953169893a95 100644
--- a/kernel/hung_task.c
+++ b/kernel/hung_task.c
@@ -147,6 +147,8 @@ static void check_hung_task(struct task_struct *t, unsigned long timeout)
print_tainted(), init_utsname()->release,
(int)strcspn(init_utsname... |
367a9bffabe08c04f6d725032cce3d891b2b9e1a | Analyze and fix the following issue in the Linux kernel code: nilfs2: protect access to buffers with no active references | Problem Details:
nilfs_lookup_dirty_data_buffers(), which iterates through the buffers
attached to dirty data folios/pages, accesses the attached buffers without
locking the folios/pages.
For data cache, nilfs_clear_folio_dirty() may be called asynchronously
when the file system degenerates to read only, so
nilfs_look... | ```diff
diff --git a/fs/nilfs2/segment.c b/fs/nilfs2/segment.c
index 587251830897..58a598b548fa 100644
--- a/fs/nilfs2/segment.c
+++ b/fs/nilfs2/segment.c
@@ -734,7 +734,6 @@ static size_t nilfs_lookup_dirty_data_buffers(struct inode *inode,
if (!head)
head = create_empty_buffers(folio,
i_blocksize(inode),... |
ca76bb226bf47ff04c782cacbd299f12ddee1ec1 | Analyze and fix the following issue in the Linux kernel code: nilfs2: do not force clear folio if buffer is referenced | Problem Details:
Patch series "nilfs2: protect busy buffer heads from being force-cleared".
This series fixes the buffer head state inconsistency issues reported by
syzbot that occurs when the filesystem is corrupted and falls back to
read-only, and the associated buffer head use-after-free issue.
This patch (of 2):... | ```diff
diff --git a/fs/nilfs2/page.c b/fs/nilfs2/page.c
index 9de2a494a069..899686d2e5f7 100644
--- a/fs/nilfs2/page.c
+++ b/fs/nilfs2/page.c
@@ -392,6 +392,11 @@ void nilfs_clear_dirty_pages(struct address_space *mapping)
/**
* nilfs_clear_folio_dirty - discard dirty folio
* @folio: dirty folio that will be disc... |
276c61385f6bc3223a5ecd307cf4aba2dfbb9a31 | Analyze and fix the following issue in the Linux kernel code: ocfs2: mark dquot as inactive if failed to start trans while releasing dquot | Problem Details:
While running fstests generic/329, the kernel workqueue
quota_release_workfn is dead looping in calling ocfs2_release_dquot().
The ocfs2 state is already readonly but ocfs2_release_dquot wants to
start a transaction but fails and returns.
===============================================================... | ```diff
diff --git a/fs/ocfs2/quota_global.c b/fs/ocfs2/quota_global.c
index 3404e7a30c33..15d9acd456ec 100644
--- a/fs/ocfs2/quota_global.c
+++ b/fs/ocfs2/quota_global.c
@@ -761,6 +761,11 @@ static int ocfs2_release_dquot(struct dquot *dquot)
handle = ocfs2_start_trans(osb,
ocfs2_calc_qdel_credits(dquot->dq_sb, d... |
01676ecd0b5c897ebb420c5a09a658e3514cc6d8 | Analyze and fix the following issue in the Linux kernel code: ocfs2: check tl->count of truncate log inode in ocfs2_get_truncate_log_info | Problem Details:
syz reported:
(syz-executor404,5313,0):ocfs2_truncate_log_append:5874 ERROR: bug
expression: tl_count > ocfs2_truncate_recs_per_inode(osb->sb) ||
tl_count == 0
(syz-executor404,5313,0):ocfs2_truncate_log_append:5874 ERROR: Truncate
record count on #77 invalid wanted 39, actual 2087
------------[ cut h... | ```diff
diff --git a/fs/ocfs2/alloc.c b/fs/ocfs2/alloc.c
index 5cf698785fae..4414743b638e 100644
--- a/fs/ocfs2/alloc.c
+++ b/fs/ocfs2/alloc.c
@@ -6154,6 +6154,9 @@ static int ocfs2_get_truncate_log_info(struct ocfs2_super *osb,
int status;
struct inode *inode = NULL;
struct buffer_head *bh = NULL;
+ struct ocfs2... |
34bb50c42335b9316cbdb9506c2c4126a66a52ee | Analyze and fix the following issue in the Linux kernel code: ocfs2: check el->l_next_free_rec in ocfs2_get_clusters_nocache | Problem Details:
Recently syzbot reported a use-after-free issue[1].
The root cause of the problem is that the journal inode recorded in this
file system image is corrupted. The value of
"di->id2.i_list.l_next_free_rec" is 8193, which is greater than the value
of "di->id2.i_list.l_count" (19).
To solve this problem,... | ```diff
diff --git a/fs/ocfs2/extent_map.c b/fs/ocfs2/extent_map.c
index f7672472fa82..930150ed5db1 100644
--- a/fs/ocfs2/extent_map.c
+++ b/fs/ocfs2/extent_map.c
@@ -435,6 +435,16 @@ static int ocfs2_get_clusters_nocache(struct inode *inode,
}
}
+ if (le16_to_cpu(el->l_next_free_rec) > le16_to_cpu(el->l_count))... |
bb2de9b04942fab82cad19a31f2612deab9751be | Analyze and fix the following issue in the Linux kernel code: MAINTAINERS: fix list entries with display names | Problem Details:
get_maintainers.pl doesn't expect list entries to have a display name.
Entries with a display name are omitted and print just the description:
(open list:PIN CONTROLLER - FREESCALE)
These cases are pretty much aliases to a few people, not lists which are
archived and can be subscribed to. Change t... | ```diff
diff --git a/MAINTAINERS b/MAINTAINERS
index 30cbc3d44cd5..953feba08959 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -2829,7 +2829,7 @@ ARM/NXP S32G ARCHITECTURE
R: Chester Lin <chester62515@gmail.com>
R: Matthias Brugger <mbrugger@suse.com>
R: Ghennadi Procopciuc <ghennadi.procopciuc@oss.nxp.com>
-L: NXP S... |
5748be3e9ef4659f9adf7e1ad454fafb0868cd88 | Analyze and fix the following issue in the Linux kernel code: squashfs: convert squashfs_fill_page() to take a folio | Problem Details:
squashfs_fill_page is only used in this file, so make it static.
Use kmap_local instead of kmap_atomic, and return a bool so that
the caller can use folio_end_read() which saves an atomic operation
over calling folio_mark_uptodate() followed by folio_unlock().
[willy@infradead.org: fix polarity of "up... | ```diff
diff --git a/fs/squashfs/file.c b/fs/squashfs/file.c
index 74076c4823c3..5ca2baa16dc2 100644
--- a/fs/squashfs/file.c
+++ b/fs/squashfs/file.c
@@ -362,19 +362,21 @@ static int read_blocklist(struct inode *inode, int index, u64 *block)
return squashfs_block_size(size);
}
-void squashfs_fill_page(struct page... |
5641371fd0b3703d11809a0ae249aed270cb8add | Analyze and fix the following issue in the Linux kernel code: squashfs; convert squashfs_copy_cache() to take a folio | Problem Details:
Remove accesses to page->index and page->mapping. Also use folio
APIs where available. This code still assumes order 0 folios.
[dan.carpenter@linaro.org: fix a NULL vs IS_ERR() bug]
Link: https://lkml.kernel.org/r/7b7f44d6-9153-4d7c-b65b-2d78febe6c7a@stanley.mountain
Link: https://lkml.kernel.org/... | ```diff
diff --git a/fs/squashfs/file.c b/fs/squashfs/file.c
index 5b81e26b1226..74076c4823c3 100644
--- a/fs/squashfs/file.c
+++ b/fs/squashfs/file.c
@@ -378,13 +378,15 @@ void squashfs_fill_page(struct page *page, struct squashfs_cache_entry *buffer,
}
/* Copy data into page cache */
-void squashfs_copy_cache(st... |
03511e936916873bf880e6678c98d5fb59c19742 | Analyze and fix the following issue in the Linux kernel code: f2fs: fix inconsistent dirty state of atomic file | Problem Details:
When testing the atomic write fix patches, the f2fs_bug_on was
triggered as below:
------------[ cut here ]------------
kernel BUG at fs/f2fs/inode.c:935!
Oops: invalid opcode: 0000 [#1] PREEMPT SMP PTI
CPU: 3 UID: 0 PID: 257 Comm: bash Not tainted 6.13.0-rc1-00033-gc283a70d3497 #5
RIP: 0010:f2fs_evic... | ```diff
diff --git a/fs/f2fs/segment.c b/fs/f2fs/segment.c
index dc1b47f9269a..c282e8a0a2ec 100644
--- a/fs/f2fs/segment.c
+++ b/fs/f2fs/segment.c
@@ -201,6 +201,12 @@ void f2fs_abort_atomic_write(struct inode *inode, bool clean)
clear_inode_flag(inode, FI_ATOMIC_FILE);
if (is_inode_flag_set(inode, FI_ATOMIC_DIRTIE... |
bbae6680cfe38b033250b483722e60ccd865976f | Analyze and fix the following issue in the Linux kernel code: drm/nouveau: fix the broken marco GSP_MSG_MAX_SIZE | Problem Details:
The macro GSP_MSG_MAX_SIZE refers to another macro that doesn't exist.
It represents the max GSP message element size.
Fix the broken marco so it can be used to replace some magic numbers in
the code.
Signed-off-by: Zhi Wang <zhiw@nvidia.com>
Signed-off-by: Danilo Krummrich <dakr@kernel.org>
Link: ht... | ```diff
diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/gsp/r535.c b/drivers/gpu/drm/nouveau/nvkm/subdev/gsp/r535.c
index 0753fe07e914..4e1136999678 100644
--- a/drivers/gpu/drm/nouveau/nvkm/subdev/gsp/r535.c
+++ b/drivers/gpu/drm/nouveau/nvkm/subdev/gsp/r535.c
@@ -61,7 +61,7 @@
extern struct dentry *nouveau_debugfs_... |
bda6fe811fba6742c4ec2f3c0a962b02d7d6e87f | Analyze and fix the following issue in the Linux kernel code: drm/nouveau: rename "argc" to what it represents in GSP RPC routines | Problem Details:
The name "argc" has different meanings in different functions.
To improve the readability, it's better to refine it to a name that
reflects what it represents.
Rename "argc" to what it represents. Add terms in the decoder section to
explain their meaning.
No functional change is intended.
Signed-of... | ```diff
diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/gsp/r535.c b/drivers/gpu/drm/nouveau/nvkm/subdev/gsp/r535.c
index d3b2b545841b..0753fe07e914 100644
--- a/drivers/gpu/drm/nouveau/nvkm/subdev/gsp/r535.c
+++ b/drivers/gpu/drm/nouveau/nvkm/subdev/gsp/r535.c
@@ -109,6 +109,8 @@ extern struct dentry *nouveau_debugfs... |
22807d30fa854bbbe26e53774c9c899c39b62a71 | Analyze and fix the following issue in the Linux kernel code: drm/nouveau: add a kernel doc to introduce the GSP RPC | Problem Details:
In order to explain the name clean-ups in GSP RPC routines, a kernel
doc to explain the memory layout and terms is required.
Add a kernel doc to introduce the GSP RPC.
Cc: Danilo Krummrich <dakr@kernel.org>
Signed-off-by: Zhi Wang <zhiw@nvidia.com>
[ Fix bullet list indentation; add SPDX-License-Iden... | ```diff
diff --git a/Documentation/gpu/drivers.rst b/Documentation/gpu/drivers.rst
index 1f17ad0790d7..74fc2cbf1b6f 100644
--- a/Documentation/gpu/drivers.rst
+++ b/Documentation/gpu/drivers.rst
@@ -10,6 +10,7 @@ GPU Driver Documentation
imagination/index
mcde
meson
+ nouveau
pl111
tegra
tve20... |
6bbce873a9c97cb12f5455c497be279ac58e707f | Analyze and fix the following issue in the Linux kernel code: drm/dp_mst: Fix drm RAD print | Problem Details:
[Why]
The RAD of sideband message printed today is incorrect.
For RAD stored within MST branch
- If MST branch LCT is 1, it's RAD array is untouched and remained as 0.
- If MST branch LCT is larger than 1, use nibble to store the up facing
port number in cascaded sequence as illustrated below:
u8 ... | ```diff
diff --git a/drivers/gpu/drm/display/drm_dp_mst_topology.c b/drivers/gpu/drm/display/drm_dp_mst_topology.c
index f8cd094efa3c..271a00b81264 100644
--- a/drivers/gpu/drm/display/drm_dp_mst_topology.c
+++ b/drivers/gpu/drm/display/drm_dp_mst_topology.c
@@ -175,13 +175,13 @@ static int
drm_dp_mst_rad_to_str(const... |
15e2f65f2ecfeb8e39315522e2b5cfdc5651fc10 | Analyze and fix the following issue in the Linux kernel code: of: address: Fix empty resource handling in __of_address_resource_bounds() | Problem Details:
"resource->end" needs to always be equal to "resource->start + size - 1".
The previous version of the function did not perform the "- 1" in case
of an empty resource.
Also make sure to allow an empty resource at address 0.
Reported-by: Basharath Hussain Khaja <basharath@couthit.com>
Closes: https://l... | ```diff
diff --git a/drivers/of/address.c b/drivers/of/address.c
index 6c40f96a1961..26f7fc3d7599 100644
--- a/drivers/of/address.c
+++ b/drivers/of/address.c
@@ -185,17 +185,15 @@ static u64 of_bus_pci_map(__be32 *addr, const __be32 *range, int na, int ns,
static int __of_address_resource_bounds(struct resource *r,... |
14bce187d1600710623d81888da3501bbc470ba2 | Analyze and fix the following issue in the Linux kernel code: of/fdt: Restore possibility to use both ACPI and FDT from bootloader | Problem Details:
There are cases when the bootloader provides information to the kernel
in both ACPI and DTB, not interchangeably. One such use case is virtual
machines in Android. When running on x86, the Android Virtualization
Framework (AVF) boots VMs with ACPI like it is usually done on x86 (i.e.
the virtual LAPIC,... | ```diff
diff --git a/drivers/of/fdt.c b/drivers/of/fdt.c
index c93a99d4a1e0..6b5516ee670f 100644
--- a/drivers/of/fdt.c
+++ b/drivers/of/fdt.c
@@ -8,7 +8,6 @@
#define pr_fmt(fmt) "OF: fdt: " fmt
-#include <linux/acpi.h>
#include <linux/crash_dump.h>
#include <linux/crc32.h>
#include <linux/kernel.h>
@@ -1220,14... |
a23ad06bfee5e51cd9e51aebf11401e7b4b5d00a | Analyze and fix the following issue in the Linux kernel code: io_uring/register: use atomic_read/write for sq_flags migration | Problem Details:
A previous commit changed all of the migration from the old to the new
ring for resizing to use READ/WRITE_ONCE. However, ->sq_flags is an
atomic_t, and while most archs won't complain on this, some will indeed
flag this:
io_uring/register.c:554:9: sparse: sparse: cast to non-scalar
io_uring/register.... | ```diff
diff --git a/io_uring/register.c b/io_uring/register.c
index 0db181437ae3..9a4d2fbce4ae 100644
--- a/io_uring/register.c
+++ b/io_uring/register.c
@@ -552,7 +552,7 @@ overflow:
ctx->cqe_cached = ctx->cqe_sentinel = NULL;
WRITE_ONCE(n.rings->sq_dropped, READ_ONCE(o.rings->sq_dropped));
- WRITE_ONCE(n.rings... |
0aefb3df8b9938378abb24f31fd2ef10594f21bc | Analyze and fix the following issue in the Linux kernel code: perf trace: Fix return value of trace__fprintf_tp_fields | Problem Details:
This function formerly returned twice the number of bytes printed.
Signed-off-by: Benjamin Peterson <benjamin@engflow.com>
Reviewed-by: Howard Chu <howardchu95@gmail.com>
Link: https://lore.kernel.org/r/20250123-void-fprintf_tp_fields-v2-1-6038f8224987@engflow.com
Signed-off-by: Namhyung Kim <namhyung... | ```diff
diff --git a/tools/perf/builtin-trace.c b/tools/perf/builtin-trace.c
index d7c7d29291fb..ac97632f13dc 100644
--- a/tools/perf/builtin-trace.c
+++ b/tools/perf/builtin-trace.c
@@ -3080,7 +3080,7 @@ static size_t trace__fprintf_tp_fields(struct trace *trace, struct evsel *evsel,
printed += syscall_arg_fmt__scn... |
e9fe182772dcb2630964724fd93e9c90b68ea0fd | Analyze and fix the following issue in the Linux kernel code: sched_ext: selftests/dsp_local_on: Fix sporadic failures | Problem Details:
dsp_local_on has several incorrect assumptions, one of which is that
p->nr_cpus_allowed always tracks p->cpus_ptr. This is not true when a task
is scheduled out while migration is disabled - p->cpus_ptr is temporarily
overridden to the previous CPU while p->nr_cpus_allowed remains unchanged.
This led ... | ```diff
diff --git a/tools/testing/selftests/sched_ext/dsp_local_on.bpf.c b/tools/testing/selftests/sched_ext/dsp_local_on.bpf.c
index fbda6bf54671..758b479bd1ee 100644
--- a/tools/testing/selftests/sched_ext/dsp_local_on.bpf.c
+++ b/tools/testing/selftests/sched_ext/dsp_local_on.bpf.c
@@ -43,7 +43,7 @@ void BPF_STRUCT... |
e3ff4245928f948f3eb2e852aa350b870421c358 | Analyze and fix the following issue in the Linux kernel code: tracing/osnoise: Fix resetting of tracepoints | Problem Details:
If a timerlat tracer is started with the osnoise option OSNOISE_WORKLOAD
disabled, but then that option is enabled and timerlat is removed, the
tracepoints that were enabled on timerlat registration do not get
disabled. If the option is disabled again and timelat is started, then it
triggers a warning ... | ```diff
diff --git a/kernel/trace/trace_osnoise.c b/kernel/trace/trace_osnoise.c
index b9f96c77527d..23cbc24ed292 100644
--- a/kernel/trace/trace_osnoise.c
+++ b/kernel/trace/trace_osnoise.c
@@ -1229,6 +1229,8 @@ static void trace_sched_migrate_callback(void *data, struct task_struct *p, int
}
}
+static bool monit... |
e76946110137703c16423baf6ee177b751a34b7e | Analyze and fix the following issue in the Linux kernel code: workqueue: Put the pwq after detaching the rescuer from the pool | Problem Details:
The commit 68f83057b913("workqueue: Reap workers via kthread_stop() and
remove detach_completion") adds code to reap the normal workers but
mistakenly does not handle the rescuer and also removes the code waiting
for the rescuer in put_unbound_pool(), which caused a use-after-free bug
reported by Cheun... | ```diff
diff --git a/kernel/workqueue.c b/kernel/workqueue.c
index 33a23c7b2274..ccad33001c58 100644
--- a/kernel/workqueue.c
+++ b/kernel/workqueue.c
@@ -3516,12 +3516,6 @@ repeat:
}
}
- /*
- * Put the reference grabbed by send_mayday(). @pool won't
- * go away while we're still attached to it.
- */
-... |
ee7d79433d783346430ee32f28c9df44a88b3bb6 | Analyze and fix the following issue in the Linux kernel code: iavf: allow changing VLAN state without calling PF | Problem Details:
First case:
> ip l a l $VF name vlanx type vlan id 100
> ip l d vlanx
> ip l a l $VF name vlanx type vlan id 100
As workqueue can be execute after sometime, there is a window to have
call trace like that:
- iavf_del_vlan
- iavf_add_vlan
- iavf_del_vlans (wq)
It means that our VLAN 100 will change the... | ```diff
diff --git a/drivers/net/ethernet/intel/iavf/iavf_main.c b/drivers/net/ethernet/intel/iavf/iavf_main.c
index cbfaaa5b7d02..2d7a18fcc3be 100644
--- a/drivers/net/ethernet/intel/iavf/iavf_main.c
+++ b/drivers/net/ethernet/intel/iavf/iavf_main.c
@@ -773,6 +773,11 @@ iavf_vlan_filter *iavf_add_vlan(struct iavf_adap... |
c5cc2a27e04f2fcd77c74ada9aef76a758a24697 | Analyze and fix the following issue in the Linux kernel code: ice: remove invalid parameter of equalizer | Problem Details:
It occurred that in the commit 70838938e89c ("ice: Implement driver
functionality to dump serdes equalizer values") the invalid DRATE parameter
for reading has been added. The output of the command:
$ ethtool -d <ethX>
returns the garbage value in the place where DRATE value should be
stored.
Remo... | ```diff
diff --git a/drivers/net/ethernet/intel/ice/ice_adminq_cmd.h b/drivers/net/ethernet/intel/ice/ice_adminq_cmd.h
index 01536a382e54..bdee499f991a 100644
--- a/drivers/net/ethernet/intel/ice/ice_adminq_cmd.h
+++ b/drivers/net/ethernet/intel/ice/ice_adminq_cmd.h
@@ -1498,7 +1498,6 @@ struct ice_aqc_dnl_equa_param {... |
18625e26fefced78f2ae28b25e80a07079821e04 | Analyze and fix the following issue in the Linux kernel code: ice: fix ice_parser_rt::bst_key array size | Problem Details:
Fix &ice_parser_rt::bst_key size. It was wrongly set to 10 instead of 20
in the initial impl commit (see Fixes tag). All usage code assumed it was
of size 20. That was also the initial size present up to v2 of the intro
series [2], but halved by v3 [3] refactor described as "Replace magic
hardcoded val... | ```diff
diff --git a/drivers/net/ethernet/intel/ice/ice_parser.h b/drivers/net/ethernet/intel/ice/ice_parser.h
index 6509d807627c..4f56d53d56b9 100644
--- a/drivers/net/ethernet/intel/ice/ice_parser.h
+++ b/drivers/net/ethernet/intel/ice/ice_parser.h
@@ -257,7 +257,6 @@ ice_pg_nm_cam_match(struct ice_pg_nm_cam_item *ta... |
cf186201118c953c3a0256312a186b3d24ffdb9f | Analyze and fix the following issue in the Linux kernel code: rtla: Report missed event count | Problem Details:
Print how many events were missed by trace buffer overflow in the main
instance at the end of the run (for hist) or during the run (for top).
Cc: John Kacur <jkacur@redhat.com>
Cc: Luis Goncalves <lgoncalv@redhat.com>
Link: https://lore.kernel.org/20250123142339.990300-5-tglozar@redhat.com
Signed-off-... | ```diff
diff --git a/tools/tracing/rtla/src/osnoise_hist.c b/tools/tracing/rtla/src/osnoise_hist.c
index f250f999a4ee..b4930b835b0a 100644
--- a/tools/tracing/rtla/src/osnoise_hist.c
+++ b/tools/tracing/rtla/src/osnoise_hist.c
@@ -440,6 +440,7 @@ osnoise_print_stats(struct osnoise_hist_params *params, struct osnoise_to... |
2aee44f721a75daebc55c372271221286efd79ec | Analyze and fix the following issue in the Linux kernel code: rtla: Count all processed events | Problem Details:
Add a field processed_events to struct trace_instance and increment it
in collect_registered_events, regardless of whether a handler is
registered for the event.
The purpose is to calculate the percentage of events that were missed
due to tracefs buffer overflow.
Cc: John Kacur <jkacur@redhat.com>
Cc... | ```diff
diff --git a/tools/tracing/rtla/src/trace.c b/tools/tracing/rtla/src/trace.c
index 94e490782f14..728f5029d533 100644
--- a/tools/tracing/rtla/src/trace.c
+++ b/tools/tracing/rtla/src/trace.c
@@ -118,6 +118,8 @@ collect_registered_events(struct tep_event *event, struct tep_record *record,
struct trace_instance... |
217f0b1e990e30a1f06f6d531fdb4530f4788d48 | Analyze and fix the following issue in the Linux kernel code: rtla/timerlat_top: Set OSNOISE_WORKLOAD for kernel threads | Problem Details:
When using rtla timerlat with userspace threads (-u or -U), rtla
disables the OSNOISE_WORKLOAD option in
/sys/kernel/tracing/osnoise/options. This option is not re-enabled in a
subsequent run with kernel-space threads, leading to rtla collecting no
results if the previous run exited abnormally:
$ rtla... | ```diff
diff --git a/tools/tracing/rtla/src/timerlat_top.c b/tools/tracing/rtla/src/timerlat_top.c
index d358cd39f360..f387597d3ac2 100644
--- a/tools/tracing/rtla/src/timerlat_top.c
+++ b/tools/tracing/rtla/src/timerlat_top.c
@@ -851,12 +851,15 @@ timerlat_top_apply_config(struct osnoise_tool *top, struct timerlat_top... |
d8d866171a414ed88bd0d720864095fd75461134 | Analyze and fix the following issue in the Linux kernel code: rtla/timerlat_hist: Set OSNOISE_WORKLOAD for kernel threads | Problem Details:
When using rtla timerlat with userspace threads (-u or -U), rtla
disables the OSNOISE_WORKLOAD option in
/sys/kernel/tracing/osnoise/options. This option is not re-enabled in a
subsequent run with kernel-space threads, leading to rtla collecting no
results if the previous run exited abnormally:
$ rtla... | ```diff
diff --git a/tools/tracing/rtla/src/timerlat_hist.c b/tools/tracing/rtla/src/timerlat_hist.c
index 53ded187b33a..d4bd02c01c53 100644
--- a/tools/tracing/rtla/src/timerlat_hist.c
+++ b/tools/tracing/rtla/src/timerlat_hist.c
@@ -1085,12 +1085,15 @@ timerlat_hist_apply_config(struct osnoise_tool *tool, struct time... |
a4dfce7559d75430c464294ddee554be2a413c4a | Analyze and fix the following issue in the Linux kernel code: rtla/timerlat_top: Stop timerlat tracer on signal | Problem Details:
Currently, when either SIGINT from the user or SIGALRM from the duration
timer is caught by rtla-timerlat, stop_tracing is set to break out of
the main loop. This is not sufficient for cases where the timerlat
tracer is producing more data than rtla can consume, since in that case,
rtla is looping inde... | ```diff
diff --git a/tools/tracing/rtla/src/timerlat_top.c b/tools/tracing/rtla/src/timerlat_top.c
index 059b468981e4..d21a21053917 100644
--- a/tools/tracing/rtla/src/timerlat_top.c
+++ b/tools/tracing/rtla/src/timerlat_top.c
@@ -900,9 +900,12 @@ out_err:
}
static int stop_tracing;
+static struct trace_instance *t... |
c73cab9dbed04d8f65ca69177b4b21ed3e09dfa7 | Analyze and fix the following issue in the Linux kernel code: rtla/timerlat_hist: Stop timerlat tracer on signal | Problem Details:
Currently, when either SIGINT from the user or SIGALRM from the duration
timer is caught by rtla-timerlat, stop_tracing is set to break out of
the main loop. This is not sufficient for cases where the timerlat
tracer is producing more data than rtla can consume, since in that case,
rtla is looping inde... | ```diff
diff --git a/tools/tracing/rtla/src/timerlat_hist.c b/tools/tracing/rtla/src/timerlat_hist.c
index 8b66387e5f35..f1edf1c8a7b0 100644
--- a/tools/tracing/rtla/src/timerlat_hist.c
+++ b/tools/tracing/rtla/src/timerlat_hist.c
@@ -1131,9 +1131,12 @@ out_err:
}
static int stop_tracing;
+static struct trace_insta... |
64a1ba4072b34af1b76bf15fca5c2075b8cc4d64 | Analyze and fix the following issue in the Linux kernel code: wifi: ath12k: fix handling of 6 GHz rules | Problem Details:
In the US country code, to avoid including 6 GHz rules in the 5 GHz rules
list, the number of 5 GHz rules is set to a default constant value of 4
(REG_US_5G_NUM_REG_RULES). However, if there are more than 4 valid 5 GHz
rules, the current logic will bypass the legitimate 6 GHz rules.
For example, if th... | ```diff
diff --git a/drivers/net/wireless/ath/ath12k/wmi.c b/drivers/net/wireless/ath/ath12k/wmi.c
index dced2aa9ba1a..d953742b67e1 100644
--- a/drivers/net/wireless/ath/ath12k/wmi.c
+++ b/drivers/net/wireless/ath/ath12k/wmi.c
@@ -4681,6 +4681,22 @@ static struct ath12k_reg_rule
return reg_rule_ptr;
}
+static u8 a... |
74ca334338a4489173d9e50775b13fa20cbd5958 | Analyze and fix the following issue in the Linux kernel code: selftests/sched_ext: Fix enum resolution | Problem Details:
All scx enums are now automatically generated from vmlinux.h and they
must be initialized using the SCX_ENUM_INIT() macro.
Fix the scx selftests to use this macro to properly initialize these
values.
Fixes: 8da7bf2cee27 ("tools/sched_ext: Receive updates from SCX repo")
Reported-by: Ihor Solodrai <ih... | ```diff
diff --git a/tools/testing/selftests/sched_ext/create_dsq.c b/tools/testing/selftests/sched_ext/create_dsq.c
index fa946d9146d4..d67431f57ac6 100644
--- a/tools/testing/selftests/sched_ext/create_dsq.c
+++ b/tools/testing/selftests/sched_ext/create_dsq.c
@@ -14,11 +14,11 @@ static enum scx_test_status setup(voi... |
be8ee18152b0523752f3a44900363838bd1573bb | Analyze and fix the following issue in the Linux kernel code: sched_ext: Fixes typos in comments | Problem Details:
Fixes some spelling errors in the comments.
Signed-off-by: Atul Kumar Pant <atulpant.linux@gmail.com>
Signed-off-by: Tejun Heo <tj@kernel.org> | ```diff
diff --git a/kernel/sched/ext.c b/kernel/sched/ext.c
index 8857c0709bdd..283d7f1addc5 100644
--- a/kernel/sched/ext.c
+++ b/kernel/sched/ext.c
@@ -416,7 +416,7 @@ struct sched_ext_ops {
/**
* @update_idle: Update the idle state of a CPU
- * @cpu: CPU to udpate the idle state for
+ * @cpu: CPU to update... |
9a5b021cb8186f1854bac2812bd4f396bb1e881c | Analyze and fix the following issue in the Linux kernel code: idpf: convert workqueues to unbound | Problem Details:
When a workqueue is created with `WQ_UNBOUND`, its work items are
served by special worker-pools, whose host workers are not bound to
any specific CPU. In the default configuration (i.e. when
`queue_delayed_work` and friends do not specify which CPU to run the
work item on), `WQ_UNBOUND` allows the wor... | ```diff
diff --git a/drivers/net/ethernet/intel/idpf/idpf_main.c b/drivers/net/ethernet/intel/idpf/idpf_main.c
index f71d3182580b..b6c515d14cbf 100644
--- a/drivers/net/ethernet/intel/idpf/idpf_main.c
+++ b/drivers/net/ethernet/intel/idpf/idpf_main.c
@@ -174,7 +174,8 @@ static int idpf_probe(struct pci_dev *pdev, const... |
d15fe4edd7decdf14d8ad2b78df100ea23302065 | Analyze and fix the following issue in the Linux kernel code: idpf: Acquire the lock before accessing the xn->salt | Problem Details:
The transaction salt was being accessed before acquiring the
idpf_vc_xn_lock when idpf has to forward the virtchnl reply.
Fixes: 34c21fa894a1 ("idpf: implement virtchnl transaction manager")
Signed-off-by: Manoj Vishwanathan <manojvishy@google.com>
Signed-off-by: David Decotigny <decot@google.com>
Sig... | ```diff
diff --git a/drivers/net/ethernet/intel/idpf/idpf_virtchnl.c b/drivers/net/ethernet/intel/idpf/idpf_virtchnl.c
index 7639d520b806..99bdb95bf226 100644
--- a/drivers/net/ethernet/intel/idpf/idpf_virtchnl.c
+++ b/drivers/net/ethernet/intel/idpf/idpf_virtchnl.c
@@ -612,14 +612,15 @@ idpf_vc_xn_forward_reply(struct... |
137da75ba72593598898a4e79da34f4b2da5d151 | Analyze and fix the following issue in the Linux kernel code: idpf: fix transaction timeouts on reset | Problem Details:
Restore the call to idpf_vc_xn_shutdown() at the beginning of
idpf_vc_core_deinit() provided the function is not called on remove.
In the reset path the mailbox is destroyed, leading to all transactions
timing out.
Fixes: 09d0fb5cb30e ("idpf: deinit virtchnl transaction manager after vport and vectors... | ```diff
diff --git a/drivers/net/ethernet/intel/idpf/idpf_virtchnl.c b/drivers/net/ethernet/intel/idpf/idpf_virtchnl.c
index d46c95f91b0d..7639d520b806 100644
--- a/drivers/net/ethernet/intel/idpf/idpf_virtchnl.c
+++ b/drivers/net/ethernet/intel/idpf/idpf_virtchnl.c
@@ -3077,12 +3077,21 @@ init_failed:
*/
void idpf_... |
396f0165672c6a74d7379027d344b83b5f05948c | Analyze and fix the following issue in the Linux kernel code: idpf: add read memory barrier when checking descriptor done bit | Problem Details:
Add read memory barrier to ensure the order of operations when accessing
control queue descriptors. Specifically, we want to avoid cases where loads
can be reordered:
1. Load #1 is dispatched to read descriptor flags.
2. Load #2 is dispatched to read some other field from the descriptor.
3. Load #2 co... | ```diff
diff --git a/drivers/net/ethernet/intel/idpf/idpf_controlq.c b/drivers/net/ethernet/intel/idpf/idpf_controlq.c
index 4849590a5591..b28991dd1870 100644
--- a/drivers/net/ethernet/intel/idpf/idpf_controlq.c
+++ b/drivers/net/ethernet/intel/idpf/idpf_controlq.c
@@ -376,6 +376,9 @@ int idpf_ctlq_clean_sq(struct idp... |
8d28d0ddb986f56920ac97ae704cc3340a699a30 | Analyze and fix the following issue in the Linux kernel code: md/md-bitmap: Synchronize bitmap_get_stats() with bitmap lifetime | Problem Details:
After commit ec6bb299c7c3 ("md/md-bitmap: add 'sync_size' into struct
md_bitmap_stats"), following panic is reported:
Oops: general protection fault, probably for non-canonical address
RIP: 0010:bitmap_get_stats+0x2b/0xa0
Call Trace:
<TASK>
md_seq_show+0x2d2/0x5b0
seq_read_iter+0x2b9/0x470
seq_rea... | ```diff
diff --git a/drivers/md/md-bitmap.c b/drivers/md/md-bitmap.c
index ec4ecd96e6b1..23c09d22fcdb 100644
--- a/drivers/md/md-bitmap.c
+++ b/drivers/md/md-bitmap.c
@@ -2355,7 +2355,10 @@ static int bitmap_get_stats(void *data, struct md_bitmap_stats *stats)
if (!bitmap)
return -ENOENT;
-
+ if (bitmap->mddev->... |
931656b9e2ff7029aee0b36e17780621948a6ac1 | Analyze and fix the following issue in the Linux kernel code: kvm: defer huge page recovery vhost task to later | Problem Details:
Some libraries want to ensure they are single threaded before forking,
so making the kernel's kvm huge page recovery process a vhost task of
the user process breaks those. The minijail library used by crosvm is
one such affected application.
Defer the task to after the first VM_RUN call, which occurs ... | ```diff
diff --git a/arch/x86/include/asm/kvm_host.h b/arch/x86/include/asm/kvm_host.h
index 2f442701dc75..f378cd43241c 100644
--- a/arch/x86/include/asm/kvm_host.h
+++ b/arch/x86/include/asm/kvm_host.h
@@ -27,6 +27,7 @@
#include <linux/hyperv.h>
#include <linux/kfifo.h>
#include <linux/sched/vhost_task.h>
+#include... |
58f5c8d5ca07a2f9fa93fb073f5b1646ec482ff2 | Analyze and fix the following issue in the Linux kernel code: nvmet: fix a memory leak in controller identify | Problem Details:
Simply free an allocated buffer once we copied its content
to the request sgl.
kmemleak complaint:
unreferenced object 0xffff8cd40c388000 (size 4096):
comm "kworker/2:2H", pid 14739, jiffies 4401313113
hex dump (first 32 bytes):
00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................... | ```diff
diff --git a/drivers/nvme/target/admin-cmd.c b/drivers/nvme/target/admin-cmd.c
index 3ddd8e44e148..ec7f70be6daa 100644
--- a/drivers/nvme/target/admin-cmd.c
+++ b/drivers/nvme/target/admin-cmd.c
@@ -1067,6 +1067,7 @@ static void nvme_execute_identify_ns_nvm(struct nvmet_req *req)
goto out;
}
status = nvm... |
dc915275ea5e7e476d174f84cb7674a1e69273d3 | Analyze and fix the following issue in the Linux kernel code: drm/amd/amdgpu: Prevent null pointer dereference in GPU bandwidth calculation | Problem Details:
If the parent is NULL, adev->pdev is used to retrieve the PCIe speed and
width, ensuring that the function can still determine these
capabilities from the device itself.
Fixes the below:
drivers/gpu/drm/amd/amdgpu/amdgpu_device.c:6193 amdgpu_device_gpu_bandwidth()
error: we previously assumed 'paren... | ```diff
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
index e5f09d8a5052..d100bb7a137c 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
@@ -6190,8 +6190,8 @@ static void amdgpu_device_gpu_bandwidth(struct amdg... |
da29abe71e164f10917ea6da02f5d9c192ccdeb7 | Analyze and fix the following issue in the Linux kernel code: drm/amd/display: Fix error pointers in amdgpu_dm_crtc_mem_type_changed | Problem Details:
The function amdgpu_dm_crtc_mem_type_changed was dereferencing pointers
returned by drm_atomic_get_plane_state without checking for errors. This
could lead to undefined behavior if the function returns an error pointer.
This commit adds checks using IS_ERR to ensure that new_plane_state and
old_plane_... | ```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 4e8ad91bd870..b0e66c05d811 100644
--- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
+++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
@@ -11486,6 +11486,11 @@ static bool amdgpu_d... |
b529093999ff052916b35356dc66eddb83258ead | Analyze and fix the following issue in the Linux kernel code: drm/amdgpu: fix ring timeout issue in gfx10 sr-iov environment | Problem Details:
commit 26c95e838e63 ("drm/amdgpu: set the VM pointer to NULL in
amdgpu_job_prepare") set job->vm as NULL if there is no fence. It will
cause emit switch buffer be skippen if job->vm set as NULL.
Check job rather than vm could solve this problem.
Fixes: 26c95e838e63 ("drm/amdgpu: set the VM pointer to... | ```diff
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_ib.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_ib.c
index e0bc37557d2c..2ea98ec60220 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_ib.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_ib.c
@@ -297,7 +297,7 @@ int amdgpu_ib_schedule(struct amdgpu_ring *ring, unsigned int num_ibs... |
1bf06a1fcd7e06435e654e10f6a24784785854f7 | Analyze and fix the following issue in the Linux kernel code: drm/amd/pm: Fix smu v13.0.6 caps initialization | Problem Details:
Fix the initialization and usage of SMU v13.0.6 capability values. Use
caps_set/clear functions to set/clear capability.
Also, fix SET_UCLK_MAX capability on APUs, it is supported on APUs.
Fixes: e9b86b841baf ("drm/amd/pm: Add capability flags for SMU v13.0.6")
Signed-off-by: Lijo Lazar <lijo.lazar@a... | ```diff
diff --git a/drivers/gpu/drm/amd/pm/swsmu/smu13/smu_v13_0_6_ppt.c b/drivers/gpu/drm/amd/pm/swsmu/smu13/smu_v13_0_6_ppt.c
index 819c363bb8dc..da7bd9227afe 100644
--- a/drivers/gpu/drm/amd/pm/swsmu/smu13/smu_v13_0_6_ppt.c
+++ b/drivers/gpu/drm/amd/pm/swsmu/smu13/smu_v13_0_6_ppt.c
@@ -101,26 +101,25 @@ MODULE_FIRM... |
aedf498a2c3334a8c1baca107e6f43cb1ca39d9a | Analyze and fix the following issue in the Linux kernel code: drm/amd/display: fix SUBVP DC_DEBUG_MASK documentation | Problem Details:
This needs to be kerneldoc formatted.
Fixes: 5349658fa4a1 ("drm/amd: Add debug option to disable subvp")
Reviewed-by: Harry Wentland <harry.wentland@amd.com>
Reported-by: Stephen Rothwell <sfr@canb.auug.org.au>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Cc: Aurabindo Pillai <aurabindo.pil... | ```diff
diff --git a/drivers/gpu/drm/amd/include/amd_shared.h b/drivers/gpu/drm/amd/include/amd_shared.h
index 5cb97414e4a3..6dccee403a3d 100644
--- a/drivers/gpu/drm/amd/include/amd_shared.h
+++ b/drivers/gpu/drm/amd/include/amd_shared.h
@@ -350,7 +350,7 @@ enum DC_DEBUG_MASK {
*/
DC_DISABLE_HDMI_CEC = 0x10000,
... |
85172c80347fec8bcffa9e26b0d727efe3b00fb2 | Analyze and fix the following issue in the Linux kernel code: drm/amd/display: fix CEC DC_DEBUG_MASK documentation | Problem Details:
This needs to be kerneldoc formatted.
Fixes: 7594874227e1 ("drm/amd/display: add CEC notifier to amdgpu driver")
Reported-by: Stephen Rothwell <sfr@canb.auug.org.au>
Reviewed-by: Harry Wentland <harry.wentland@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Cc: Kun Liu <Kun.Liu2@amd.c... | ```diff
diff --git a/drivers/gpu/drm/amd/include/amd_shared.h b/drivers/gpu/drm/amd/include/amd_shared.h
index c3e6dd4f4e00..5cb97414e4a3 100644
--- a/drivers/gpu/drm/amd/include/amd_shared.h
+++ b/drivers/gpu/drm/amd/include/amd_shared.h
@@ -345,7 +345,7 @@ enum DC_DEBUG_MASK {
*/
DC_DISABLE_ACPI_EDID = 0x8000,
... |
64314e3f9c11578b28f145fc9a4b37ca1196fafd | Analyze and fix the following issue in the Linux kernel code: drm/amdgpu: fix the PCIe lanes reporting in the INFO IOCTL | Problem Details:
Combine the platform and GPU caps like we do for PCIe Gen.
This aligns properly with expectations and documentation
for the interface.
Link: https://gitlab.freedesktop.org/drm/amd/-/issues/3820
Reviewed-by: Yang Wang <kevinyang.wang@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com> | ```diff
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_kms.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_kms.c
index 016a6f6c4267..98528ee94c15 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_kms.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_kms.c
@@ -846,7 +846,7 @@ out:
case AMDGPU_INFO_DEV_INFO: {
struct drm_amdgpu_info_dev... |
757e8b951ce27bae1c1fd96f9d4c6f14037a542b | Analyze and fix the following issue in the Linux kernel code: drm/amdgpu: cache gpu pcie link width | Problem Details:
Get the PCIe link with of the device itself (or it's
integrated upstream bridge) and cache that.
v2: fix typo
Link: https://gitlab.freedesktop.org/drm/amd/-/issues/3820
Reviewed-by: Yang Wang <kevinyang.wang@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 ea6c0d431559..e5f09d8a5052 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
@@ -6157,6 +6157,44 @@ static void amdgpu_device_partner_bandwidth(struct... |
9d63fbf75158811bccd08c5ac9b2db70427c3e51 | Analyze and fix the following issue in the Linux kernel code: drm/amd: Add debug option to disable subvp | Problem Details:
Some monitors flicker when subvp is enabled which maybe related to
an uncommon timing they use. To isolate such issues, add a debug
option to help isolate this the issue for debugging.
Signed-off-by: Aurabindo Pillai <aurabindo.pillai@amd.com>
Acked-by: Alex Deucher <alexander.deucher@amd.com>
Suggest... | ```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 0ec178ca7434..4e8ad91bd870 100644
--- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
+++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
@@ -2034,6 +2034,9 @@ static int amdgpu_dm_in... |
b5f022fe8ec58540e29a32e328f89b7298f70313 | Analyze and fix the following issue in the Linux kernel code: drm/amdkfd: Fix partial migrate issue | Problem Details:
For partial migrate from ram to vram, the migrate->cpages is not
equal to migrate->npages, should use migrate->npages to check all needed
migrate pages which could be copied or not.
And only need to set those pages could be migrated to migrate->dst[i], or
the migrate_vma_pages will migrate the wrong p... | ```diff
diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_migrate.c b/drivers/gpu/drm/amd/amdkfd/kfd_migrate.c
index 4b275937d05e..d05d199b5e44 100644
--- a/drivers/gpu/drm/amd/amdkfd/kfd_migrate.c
+++ b/drivers/gpu/drm/amd/amdkfd/kfd_migrate.c
@@ -278,10 +278,11 @@ svm_migrate_copy_to_vram(struct kfd_node *node, struct svm_... |
0141978ae75bd48bac13fca6de131a5071c32011 | Analyze and fix the following issue in the Linux kernel code: x86/acpi: Fix LAPIC/x2APIC parsing order | Problem Details:
On some systems, the same CPU (with the same APIC ID) is assigned a
different logical CPU id after commit ec9aedb2aa1a ("x86/acpi: Ignore
invalid x2APIC entries").
This means that Linux enumerates the CPUs in a different order, which
violates ACPI specification[1] that states:
"OSPM should initiali... | ```diff
diff --git a/arch/x86/kernel/acpi/boot.c b/arch/x86/kernel/acpi/boot.c
index 3a44a9dc3fb7..18485170d51b 100644
--- a/arch/x86/kernel/acpi/boot.c
+++ b/arch/x86/kernel/acpi/boot.c
@@ -226,6 +226,28 @@ acpi_parse_x2apic(union acpi_subtable_headers *header, const unsigned long end)
return 0;
}
+static int __i... |
f5f0ed89f13e3e5246404a322ee85169a226bfb5 | Analyze and fix the following issue in the Linux kernel code: xfs: don't call remap_verify_area with sb write protection held | Problem Details:
The XFS_IOC_EXCHANGE_RANGE ioctl with the XFS_EXCHANGE_RANGE_TO_EOF flag
operates on a range bounded by the end of the file. This means the
actual amount of blocks exchanged is derived from the inode size, which
is only stable with the IOLOCK (i_rwsem) held. Do that, it currently
calls remap_verify_a... | ```diff
diff --git a/fs/xfs/xfs_exchrange.c b/fs/xfs/xfs_exchrange.c
index f340a2015c4c..0b41bdfecdfb 100644
--- a/fs/xfs/xfs_exchrange.c
+++ b/fs/xfs/xfs_exchrange.c
@@ -329,22 +329,6 @@ out_trans_cancel:
* successfully but before locks are dropped.
*/
-/* Verify that we have security clearance to perform this o... |
915175b49f65d9edeb81659e82cbb27b621dbc17 | Analyze and fix the following issue in the Linux kernel code: xfs: fix the entry condition of exact EOF block allocation optimization | Problem Details:
When we call create(), lseek() and write() sequentially, offset != 0
cannot be used as a judgment condition for whether the file already
has extents.
Furthermore, when xfs_bmap_adjacent() has not given a better blkno,
it is not necessary to use exact EOF block allocation.
Suggested-by: Dave Chinner <... | ```diff
diff --git a/fs/xfs/libxfs/xfs_bmap.c b/fs/xfs/libxfs/xfs_bmap.c
index 40ad22fb808b..0ef19f1469ec 100644
--- a/fs/xfs/libxfs/xfs_bmap.c
+++ b/fs/xfs/libxfs/xfs_bmap.c
@@ -3563,12 +3563,12 @@ xfs_bmap_btalloc_at_eof(
int error;
/*
- * If there are already extents in the file, try an exact EOF block
- *... |
a7040a06e4bc6a550ddb2078d59fad311dc0ee3b | Analyze and fix the following issue in the Linux kernel code: fuse: Add fuse-io-uring design documentation | Problem Details:
[Add several documentation updates I had missed after
renaming functions and also fixes 'make htmldocs'.]
Signed-off-by: Bernd Schubert <bschubert@ddn.com>
Reviewed-by: Luis Henriques <luis@igalia.com>
Signed-off-by: Miklos Szeredi <mszeredi@redhat.com> | ```diff
diff --git a/Documentation/filesystems/fuse-io-uring.rst b/Documentation/filesystems/fuse-io-uring.rst
new file mode 100644
index 000000000000..d73dd0dbd238
--- /dev/null
+++ b/Documentation/filesystems/fuse-io-uring.rst
@@ -0,0 +1,99 @@
+.. SPDX-License-Identifier: GPL-2.0
+
+==================================... |
798047e63ac970f105c49c22e6d44df901c486b2 | Analyze and fix the following issue in the Linux kernel code: drm/tidss: Fix typos | Problem Details:
Fix typos in comments.
Reported-by: Matthew Wilcox <willy@infradead.org>
Signed-off-by: Andrew Kreimer <algonell@gmail.com>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ideasonboard.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20240912125735.45114-1-algonell@gmail.com | ```diff
diff --git a/drivers/gpu/drm/tidss/tidss_dispc_regs.h b/drivers/gpu/drm/tidss/tidss_dispc_regs.h
index 13feedfe5d6d..e88148e44937 100644
--- a/drivers/gpu/drm/tidss/tidss_dispc_regs.h
+++ b/drivers/gpu/drm/tidss/tidss_dispc_regs.h
@@ -49,7 +49,7 @@ enum dispc_common_regs {
/*
* dispc_common_regmap should be ... |
0a1ee19d46b71691c5acdf234bb6105913bd9add | Analyze and fix the following issue in the Linux kernel code: drm: zynqmp_dp: Unlock on error in zynqmp_dp_bridge_atomic_enable() | Problem Details:
We added some locking to this function, but accidentally forgot to unlock
if zynqmp_dp_mode_configure() failed. Use a guard lock to fix it.
Fixes: a7d5eeaa57d7 ("drm: zynqmp_dp: Add locking")
Signed-off-by: Dan Carpenter <dan.carpenter@linaro.org>
Reviewed-by: Sean Anderson <sean.anderson@linux.dev>
... | ```diff
diff --git a/drivers/gpu/drm/xlnx/zynqmp_dp.c b/drivers/gpu/drm/xlnx/zynqmp_dp.c
index 25c5dc61ee88..0bea908b281e 100644
--- a/drivers/gpu/drm/xlnx/zynqmp_dp.c
+++ b/drivers/gpu/drm/xlnx/zynqmp_dp.c
@@ -1537,7 +1537,7 @@ static void zynqmp_dp_bridge_atomic_enable(struct drm_bridge *bridge,
pm_runtime_get_sy... |
6c9b7db96db62ee9ad8d359d90ff468d462518c4 | Analyze and fix the following issue in the Linux kernel code: xfrm: Don't disable preemption while looking up cache state. | Problem Details:
For the state cache lookup xfrm_input_state_lookup() first disables
preemption, to remain on the CPU and then retrieves a per-CPU pointer.
Within the preempt-disable section it also acquires
netns_xfrm::xfrm_state_lock, a spinlock_t. This lock must not be
acquired with explicit disabled preemption (suc... | ```diff
diff --git a/net/xfrm/xfrm_state.c b/net/xfrm/xfrm_state.c
index 1781728ca428..711e816fc404 100644
--- a/net/xfrm/xfrm_state.c
+++ b/net/xfrm/xfrm_state.c
@@ -1150,9 +1150,8 @@ struct xfrm_state *xfrm_input_state_lookup(struct net *net, u32 mark,
struct xfrm_hash_state_ptrs state_ptrs;
struct hlist_head *st... |
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