id stringlengths 40 40 | instruction stringlengths 68 308 | input stringlengths 17 33.4k | output stringlengths 100 30k |
|---|---|---|---|
d5090716be6791ada9ee142163a4934c1c147aaa | Analyze and fix the following issue in the Linux kernel code: powerpc/book3e: remove #include <generated/utsrelease.h> | Problem Details:
Commit 7ad4bd887d27 ("powerpc/book3e: get rid of #include <generated/compile.h>")
removed the usage of the define UTS_RELEASE but forgot to drop the
include.
utsrelease.h is potentially generated on each build. By removing the
unused include we can get rid of some spurious recompilations.
Fixes: 7ad4... | ```diff
diff --git a/arch/powerpc/mm/nohash/kaslr_booke.c b/arch/powerpc/mm/nohash/kaslr_booke.c
index 0d04f9d5da8d..2fb3edafe9ab 100644
--- a/arch/powerpc/mm/nohash/kaslr_booke.c
+++ b/arch/powerpc/mm/nohash/kaslr_booke.c
@@ -19,7 +19,6 @@
#include <asm/cacheflush.h>
#include <asm/kdump.h>
#include <mm/mmu_decl.h>
... |
6c645b01e536757a9e1a9f72c13767f9b3f8559f | Analyze and fix the following issue in the Linux kernel code: KVM: PPC: Book3E: Fix CONFIG_TRACE_IRQFLAGS support | Problem Details:
32-bit does not trace_irqs_off() to match the trace_irqs_on() call in
kvmppc_fix_ee_before_entry(). This can lead to irqs being enabled twice
in the trace, and the irqs-off region between guest exit and the host
enabling local irqs again is not properly traced.
64-bit code does call this, but from asm... | ```diff
diff --git a/arch/powerpc/include/asm/kvm_ppc.h b/arch/powerpc/include/asm/kvm_ppc.h
index bfacf12784dd..eae9619b6190 100644
--- a/arch/powerpc/include/asm/kvm_ppc.h
+++ b/arch/powerpc/include/asm/kvm_ppc.h
@@ -1014,6 +1014,18 @@ static inline void kvmppc_fix_ee_before_entry(void)
#endif
}
+static inline vo... |
fc8f93ad3e5485d45c992233c96acd902992dfc4 | Analyze and fix the following issue in the Linux kernel code: RDMA/nldev: Fix failure to send large messages | Problem Details:
Return "-EMSGSIZE" instead of "-EINVAL" when filling a QP entry, so that
new SKBs will be allocated if there's not enough room in current SKB.
Fixes: 65959522f806 ("RDMA: Add support to dump resource tracker in RAW format")
Signed-off-by: Mark Zhang <markzhang@nvidia.com>
Reviewed-by: Patrisious Hadda... | ```diff
diff --git a/drivers/infiniband/core/nldev.c b/drivers/infiniband/core/nldev.c
index b4716cda65d8..a981ac2f0975 100644
--- a/drivers/infiniband/core/nldev.c
+++ b/drivers/infiniband/core/nldev.c
@@ -513,7 +513,7 @@ static int fill_res_qp_entry(struct sk_buff *msg, bool has_cap_net_admin,
/* In create_qp() p... |
9b932aadfc47de5d70b53ea04b0d1b5f6c82945b | Analyze and fix the following issue in the Linux kernel code: riscv: kexec: Fixup crash_smp_send_stop without multi cores | Problem Details:
Current crash_smp_send_stop is the same as the generic one in
kernel/panic and misses crash_save_cpu in percpu. This patch is inspired
by 78fd584cdec0 ("arm64: kdump: implement machine_crash_shutdown()")
and adds the same mechanism for riscv.
Before this patch, test result:
crash> help -r
CPU 0: [OFFL... | ```diff
diff --git a/arch/riscv/include/asm/smp.h b/arch/riscv/include/asm/smp.h
index d3443be7eedc..3831b638ecab 100644
--- a/arch/riscv/include/asm/smp.h
+++ b/arch/riscv/include/asm/smp.h
@@ -50,6 +50,9 @@ void riscv_set_ipi_ops(const struct riscv_ipi_ops *ops);
/* Clear IPI for current CPU */
void riscv_clear_ipi... |
b17d19a5314a37f7197afd1a0200affd21a7227d | Analyze and fix the following issue in the Linux kernel code: riscv: kexec: Fixup irq controller broken in kexec crash path | Problem Details:
If a crash happens on cpu3 and all interrupts are binding on cpu0, the
bad irq routing will cause a crash kernel which can't receive any irq.
Because crash kernel won't clean up all harts' PLIC enable bits in
enable registers. This patch is similar to 9141a003a491 ("ARM: 7316/1:
kexec: EOI active and m... | ```diff
diff --git a/arch/riscv/kernel/machine_kexec.c b/arch/riscv/kernel/machine_kexec.c
index ee79e6839b86..db41c676e5a2 100644
--- a/arch/riscv/kernel/machine_kexec.c
+++ b/arch/riscv/kernel/machine_kexec.c
@@ -15,6 +15,8 @@
#include <linux/compiler.h> /* For unreachable() */
#include <linux/cpu.h> /* For cpu_do... |
14624d7247fcd0f3114a6f5f17b3c8d1020fbbb7 | Analyze and fix the following issue in the Linux kernel code: net/mlx5e: Don't use termination table when redundant | Problem Details:
Current code used termination table for each vport destination
while it's only required for hairpin, i.e. uplink to uplink, or
when vlan push on rx action being used.
Fix to skip using termination table for vport destinations that
do not require it.
Signed-off-by: Roi Dayan <roid@nvidia.com>
Reviewed-... | ```diff
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/eswitch_offloads_termtbl.c b/drivers/net/ethernet/mellanox/mlx5/core/eswitch_offloads_termtbl.c
index edd910258314..3a9a6bb9158d 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/eswitch_offloads_termtbl.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/eswi... |
2d04e1ce52a8b2ba77820383c1305122e0238be2 | Analyze and fix the following issue in the Linux kernel code: net/mlx5: Fix orthography errors in documentation | Problem Details:
Improve general readability of the device driver documentation.
Signed-off-by: Rahul Rameshbabu <rrameshbabu@nvidia.com>
Reviewed-by: Tariq Toukan <tariqt@nvidia.com>
Reviewed-by: Gal Pressman <gal@nvidia.com>
Signed-off-by: Saeed Mahameed <saeedm@nvidia.com> | ```diff
diff --git a/Documentation/networking/device_drivers/ethernet/mellanox/mlx5.rst b/Documentation/networking/device_drivers/ethernet/mellanox/mlx5.rst
index 5edf50d7dbd5..e8fa7ac9e6b1 100644
--- a/Documentation/networking/device_drivers/ethernet/mellanox/mlx5.rst
+++ b/Documentation/networking/device_drivers/ethe... |
a4bbf53d88c728da9ff6c316b1e4ded63a8f3940 | Analyze and fix the following issue in the Linux kernel code: fsverity: simplify fsverity_get_digest() | Problem Details:
Instead of looking up the algorithm by name in hash_algo_name[] to get
its hash_algo ID, just store the hash_algo ID in the fsverity_hash_alg
struct. Verify at boot time that every fsverity_hash_alg has a valid
hash_algo ID with matching digest size.
Remove an unnecessary memset() of the whole digest... | ```diff
diff --git a/fs/verity/fsverity_private.h b/fs/verity/fsverity_private.h
index dbe1ce5b450a..c7fcb855e068 100644
--- a/fs/verity/fsverity_private.h
+++ b/fs/verity/fsverity_private.h
@@ -32,6 +32,11 @@ struct fsverity_hash_alg {
unsigned int digest_size; /* digest size in bytes, e.g. 32 for SHA-256 */
unsig... |
6fdd5d2f8c2f54b7fad4ff4df2a19542aeaf6102 | Analyze and fix the following issue in the Linux kernel code: riscv: mm: Proper page permissions after initmem free | Problem Details:
64-bit RISC-V kernels have the kernel image mapped separately to alias
the linear map. The linear map and the kernel image map are documented
as "direct mapping" and "kernel" respectively in [1].
At image load time, the linear map corresponding to the kernel image
is set to PAGE_READ permission, and t... | ```diff
diff --git a/arch/riscv/kernel/setup.c b/arch/riscv/kernel/setup.c
index 67ec1fadcfe2..86acd690d529 100644
--- a/arch/riscv/kernel/setup.c
+++ b/arch/riscv/kernel/setup.c
@@ -322,10 +322,11 @@ subsys_initcall(topology_init);
void free_initmem(void)
{
- if (IS_ENABLED(CONFIG_STRICT_KERNEL_RWX))
- set_kernel... |
74f6bb55c834da6d4bac24f44868202743189b2b | Analyze and fix the following issue in the Linux kernel code: riscv: vdso: fix section overlapping under some conditions | Problem Details:
lkp reported a build error, I tried the config and can reproduce
build error as below:
VDSOLD arch/riscv/kernel/vdso/vdso.so.dbg
ld.lld: error: section .note file range overlaps with .text
>>> .note range is [0x7C8, 0x803]
>>> .text range is [0x800, 0x1993]
ld.lld: error: section .text file range ... | ```diff
diff --git a/arch/riscv/kernel/vdso/Makefile b/arch/riscv/kernel/vdso/Makefile
index db6548509bb3..06e6b27f3bcc 100644
--- a/arch/riscv/kernel/vdso/Makefile
+++ b/arch/riscv/kernel/vdso/Makefile
@@ -17,6 +17,7 @@ vdso-syms += flush_icache
obj-vdso = $(patsubst %, %.o, $(vdso-syms)) note.o
ccflags-y := -fno-... |
7e1864332fbc1b993659eab7974da9fe8bf8c128 | Analyze and fix the following issue in the Linux kernel code: riscv: fix race when vmap stack overflow | Problem Details:
Currently, when detecting vmap stack overflow, riscv firstly switches
to the so called shadow stack, then use this shadow stack to call the
get_overflow_stack() to get the overflow stack. However, there's
a race here if two or more harts use the same shadow stack at the same
time.
To solve this race, ... | ```diff
diff --git a/arch/riscv/include/asm/asm.h b/arch/riscv/include/asm/asm.h
index 618d7c5af1a2..e15a1c9f1cf8 100644
--- a/arch/riscv/include/asm/asm.h
+++ b/arch/riscv/include/asm/asm.h
@@ -23,6 +23,7 @@
#define REG_L __REG_SEL(ld, lw)
#define REG_S __REG_SEL(sd, sw)
#define REG_SC __REG_SEL(sc.d, sc.w)
+#de... |
177f504cb70cc034774bf708a6ec3f568e0d02a1 | Analyze and fix the following issue in the Linux kernel code: selftests: splice_read: Fix sysfs read cases | Problem Details:
sysfs now supports splice_* operations with
commit f2d6c2708bd84 ("kernfs: wire up ->splice_read and ->splice_write")
Update the selftests to expect success instead of failure.
Cc: Shuah Khan <shuah@kernel.org>
Cc: Christoph Hellwig <hch@lst.de>
Cc: Siddharth Gupta <sidgup@codeaurora.org
Reported-b... | ```diff
diff --git a/tools/testing/selftests/splice/short_splice_read.sh b/tools/testing/selftests/splice/short_splice_read.sh
index 22b6c8910b18..4710e09f49fa 100755
--- a/tools/testing/selftests/splice/short_splice_read.sh
+++ b/tools/testing/selftests/splice/short_splice_read.sh
@@ -127,7 +127,7 @@ expect_success "p... |
2fe2a8f40c21161ffe7653cc234e7934db5b7cc5 | Analyze and fix the following issue in the Linux kernel code: drm/vkms: Fix null-ptr-deref in vkms_release() | Problem Details:
A null-ptr-deref is triggered when it tries to destroy the workqueue in
vkms->output.composer_workq in vkms_release().
KASAN: null-ptr-deref in range [0x0000000000000118-0x000000000000011f]
CPU: 5 PID: 17193 Comm: modprobe Not tainted 6.0.0-11331-gd465bff130bf #24
RIP: 0010:destroy_workqueue+0x2f/0... | ```diff
diff --git a/drivers/gpu/drm/vkms/vkms_drv.c b/drivers/gpu/drm/vkms/vkms_drv.c
index 8a74f37d5912..69346906ec81 100644
--- a/drivers/gpu/drm/vkms/vkms_drv.c
+++ b/drivers/gpu/drm/vkms/vkms_drv.c
@@ -57,7 +57,8 @@ static void vkms_release(struct drm_device *dev)
{
struct vkms_device *vkms = drm_device_to_vkms... |
0d0b368b9d104b437e1f4850ae94bdb9a3601e89 | Analyze and fix the following issue in the Linux kernel code: drm/vkms: Fix memory leak in vkms_init() | Problem Details:
A memory leak was reported after the vkms module install failed.
unreferenced object 0xffff88810bc28520 (size 16):
comm "modprobe", pid 9662, jiffies 4298009455 (age 42.590s)
hex dump (first 16 bytes):
01 01 00 64 81 88 ff ff 00 00 dc 0a 81 88 ff ff ...d............
backtrace:
[<0000000... | ```diff
diff --git a/drivers/gpu/drm/vkms/vkms_drv.c b/drivers/gpu/drm/vkms/vkms_drv.c
index 293dbca50c31..8a74f37d5912 100644
--- a/drivers/gpu/drm/vkms/vkms_drv.c
+++ b/drivers/gpu/drm/vkms/vkms_drv.c
@@ -218,6 +218,7 @@ out_unregister:
static int __init vkms_init(void)
{
+ int ret;
struct vkms_config *config;
... |
3cb278e73be58bfb780ecd55129296d2f74c1fb7 | Analyze and fix the following issue in the Linux kernel code: rcu: Make call_rcu() lazy to save power | Problem Details:
Implement timer-based RCU callback batching (also known as lazy
callbacks). With this we save about 5-10% of power consumed due
to RCU requests that happen when system is lightly loaded or idle.
By default, all async callbacks (queued via call_rcu) are marked
lazy. An alternate API call_rcu_hurry() is... | ```diff
diff --git a/include/linux/rcupdate.h b/include/linux/rcupdate.h
index 08605ce7379d..611c11383d23 100644
--- a/include/linux/rcupdate.h
+++ b/include/linux/rcupdate.h
@@ -108,6 +108,15 @@ static inline int rcu_preempt_depth(void)
#endif /* #else #ifdef CONFIG_PREEMPT_RCU */
+#ifdef CONFIG_RCU_LAZY
+void ca... |
66267814ba0ee0732c69ca87eb1fd6eb63bf0d5f | Analyze and fix the following issue in the Linux kernel code: fs/ext4: replace ternary operator with min()/max() and min_t() | Problem Details:
Fix the following coccicheck warning:
fs/ext4/inline.c:183: WARNING opportunity for min().
fs/ext4/extents.c:2631: WARNING opportunity for max().
fs/ext4/extents.c:2632: WARNING opportunity for min().
fs/ext4/extents.c:5559: WARNING opportunity for max().
fs/ext4/super.c:6908: WARNING opportunity for ... | ```diff
diff --git a/fs/ext4/extents.c b/fs/ext4/extents.c
index 6c399a8b22b3..ec008278d970 100644
--- a/fs/ext4/extents.c
+++ b/fs/ext4/extents.c
@@ -2635,9 +2635,8 @@ ext4_ext_rm_leaf(handle_t *handle, struct inode *inode,
unwritten, ex_ee_len);
path[depth].p_ext = ex;
- a = ex_ee_block > start ? ex_ee_bl... |
318cdc822c63b6e2befcfdc2088378ae6fa18def | Analyze and fix the following issue in the Linux kernel code: ext4: check and assert if marking an no_delete evicting inode dirty | Problem Details:
In ext4_evict_inode(), if we evicting an inode in the 'no_delete' path,
it cannot be raced by another mark_inode_dirty(). If it happens,
someone else may accidentally dirty it without holding inode refcount
and probably cause use-after-free issues in the writeback procedure.
It's indiscoverable and har... | ```diff
diff --git a/fs/ext4/inode.c b/fs/ext4/inode.c
index 7c5f5dabe0fd..121ce2fccfab 100644
--- a/fs/ext4/inode.c
+++ b/fs/ext4/inode.c
@@ -335,6 +335,12 @@ stop_handle:
ext4_xattr_inode_array_free(ea_inode_array);
return;
no_delete:
+ /*
+ * Check out some where else accidentally dirty the evicting inode,
+ ... |
b55226f8553d255f5002c751c7c6ba9291f34bf2 | Analyze and fix the following issue in the Linux kernel code: clk: visconti: Fix memory leak in visconti_register_pll() | Problem Details:
@pll->rate_table has allocated memory by kmemdup(), if clk_hw_register()
fails, it should be freed, otherwise it will cause memory leak issue,
this patch fixes it.
Fixes: b4cbe606dc36 ("clk: visconti: Add support common clock driver and reset driver")
Signed-off-by: Xiu Jianfeng <xiujianfeng@huawei.co... | ```diff
diff --git a/drivers/clk/visconti/pll.c b/drivers/clk/visconti/pll.c
index a484cb945d67..1f3234f22667 100644
--- a/drivers/clk/visconti/pll.c
+++ b/drivers/clk/visconti/pll.c
@@ -277,6 +277,7 @@ static struct clk_hw *visconti_register_pll(struct visconti_pll_provider *ctx,
ret = clk_hw_register(NULL, &pll->hw... |
41555cc9e2e9778ddc7c0293a4a2e4995e332643 | Analyze and fix the following issue in the Linux kernel code: RISC-V: enable sparsemem by default for defconfig | Problem Details:
on an arch level, RISC-V defaults to FLATMEM. On PolarFire SoC, the
memory layout is almost always sparse, with a maximum of 1 GiB at
0x8000_0000 & a possible 16 GiB range at 0x10_0000_0000. The Icicle kit,
for example, has 2 GiB of DDR - so there's a big hole in the memory map
between the two gigs. Pr... | ```diff
diff --git a/arch/riscv/configs/defconfig b/arch/riscv/configs/defconfig
index 05fd5fcf24f9..daba5d743862 100644
--- a/arch/riscv/configs/defconfig
+++ b/arch/riscv/configs/defconfig
@@ -38,6 +38,7 @@ CONFIG_KVM=m
CONFIG_JUMP_LABEL=y
CONFIG_MODULES=y
CONFIG_MODULE_UNLOAD=y
+CONFIG_SPARSEMEM_MANUAL=y
CONFIG_... |
97b801be6f8e53676b9f2b105f54e35c745c1b22 | Analyze and fix the following issue in the Linux kernel code: ASoC: pcm512x: Fix PM disable depth imbalance in pcm512x_probe | Problem Details:
The pm_runtime_enable will increase power disable depth. Thus
a pairing decrement is needed on the error handling path to
keep it balanced according to context. We fix it by going to
err_pm instead of err_clk.
Fixes:f086ba9d5389c ("ASoC: pcm512x: Support mastering BCLK/LRCLK using the PLL")
Signed-of... | ```diff
diff --git a/sound/soc/codecs/pcm512x.c b/sound/soc/codecs/pcm512x.c
index 767463e82665..89059a673cf0 100644
--- a/sound/soc/codecs/pcm512x.c
+++ b/sound/soc/codecs/pcm512x.c
@@ -1634,7 +1634,7 @@ int pcm512x_probe(struct device *dev, struct regmap *regmap)
if (val > 6) {
dev_err(dev, "Invalid pll-in\n... |
f9cdf4130671d767071607d0a7568c9bd36a68d0 | Analyze and fix the following issue in the Linux kernel code: drm/i915/dsi: fix VBT send packet port selection for dual link DSI | Problem Details:
intel_dsi->ports contains bitmask of enabled ports and correspondingly
logic for selecting port for VBT packet sending must use port specific
bitmask when deciding appropriate port.
Fixes: 08c59dde71b7 ("drm/i915/dsi: fix VBT send packet port selection for ICL+")
Cc: stable@vger.kernel.org
Signed-off-... | ```diff
diff --git a/drivers/gpu/drm/i915/display/intel_dsi_vbt.c b/drivers/gpu/drm/i915/display/intel_dsi_vbt.c
index 75e8cc4337c9..fce69fa446d5 100644
--- a/drivers/gpu/drm/i915/display/intel_dsi_vbt.c
+++ b/drivers/gpu/drm/i915/display/intel_dsi_vbt.c
@@ -137,9 +137,9 @@ static enum port intel_dsi_seq_port_to_port(s... |
1382901f75a5a7dc8eac05059fd0c7816def4eae | Analyze and fix the following issue in the Linux kernel code: drm/i915/bios: fix a memory leak in generate_lfp_data_ptrs | Problem Details:
When (size != 0 || ptrs->lvds_ entries != 3), the program tries to
free() the ptrs. However, the ptrs is not created by calling kzmalloc(),
but is obtained by pointer offset operation.
This may lead to memory leaks or undefined behavior.
Fix this by replacing the arguments of kfree() with ptrs_block.
... | ```diff
diff --git a/drivers/gpu/drm/i915/display/intel_bios.c b/drivers/gpu/drm/i915/display/intel_bios.c
index c2987f2c2b2e..572a4e3769f3 100644
--- a/drivers/gpu/drm/i915/display/intel_bios.c
+++ b/drivers/gpu/drm/i915/display/intel_bios.c
@@ -414,7 +414,7 @@ static void *generate_lfp_data_ptrs(struct drm_i915_priva... |
35aba5f51a39fb95351844ffb14ec02b8970e19f | Analyze and fix the following issue in the Linux kernel code: drm/i915: Never return 0 if not all requests retired | Problem Details:
Users of intel_gt_retire_requests_timeout() expect 0 return value on
success. However, we have no protection from passing back 0 potentially
returned by a call to dma_fence_wait_timeout() when it succedes right
after its timeout has expired.
Replace 0 with -ETIME before potentially using the timeout ... | ```diff
diff --git a/drivers/gpu/drm/i915/gt/intel_gt_requests.c b/drivers/gpu/drm/i915/gt/intel_gt_requests.c
index edb881d75630..1dfd01668c79 100644
--- a/drivers/gpu/drm/i915/gt/intel_gt_requests.c
+++ b/drivers/gpu/drm/i915/gt/intel_gt_requests.c
@@ -199,7 +199,7 @@ out_active: spin_lock(&timelines->lock);
if (re... |
6a5347293992e0412bc748dae11228a7081393fa | Analyze and fix the following issue in the Linux kernel code: drm/i915: Fix negative value passed as remaining time | Problem Details:
Commit b97060a99b01 ("drm/i915/guc: Update intel_gt_wait_for_idle to work
with GuC") extended the API of intel_gt_retire_requests_timeout() with an
extra argument 'remaining_timeout', intended for passing back unconsumed
portion of requested timeout when 0 (success) is returned. However, when
request ... | ```diff
diff --git a/drivers/gpu/drm/i915/gt/intel_gt.c b/drivers/gpu/drm/i915/gt/intel_gt.c
index b5ad9caa5537..7ef0edb2e37c 100644
--- a/drivers/gpu/drm/i915/gt/intel_gt.c
+++ b/drivers/gpu/drm/i915/gt/intel_gt.c
@@ -677,8 +677,13 @@ int intel_gt_wait_for_idle(struct intel_gt *gt, long timeout)
return -EINTR;
}... |
8e5f37828145fa662f30f890f74924d55255d68d | Analyze and fix the following issue in the Linux kernel code: drm/i915/huc: fix leak of debug object in huc load fence on driver unload | Problem Details:
The fence is always initialized in huc_init_early, but the cleanup in
huc_fini is only being run if HuC is enabled. This causes a leaking of
the debug object when HuC is disabled/not supported, which can in turn
trigger a warning if we try to register a new debug offset at the same
address on driver re... | ```diff
diff --git a/drivers/gpu/drm/i915/gt/uc/intel_huc.c b/drivers/gpu/drm/i915/gt/uc/intel_huc.c
index be855811d85d..0976e9101346 100644
--- a/drivers/gpu/drm/i915/gt/uc/intel_huc.c
+++ b/drivers/gpu/drm/i915/gt/uc/intel_huc.c
@@ -329,13 +329,15 @@ out:
void intel_huc_fini(struct intel_huc *huc)
{
- if (!intel_... |
9ec1eb1bcceec735fb3c9255cdcdbcc2acf860a0 | Analyze and fix the following issue in the Linux kernel code: KVM: selftests: Have perf_test_util signal when to stop vCPUs | Problem Details:
Signal that a test run is complete through perf_test_args instead of
having tests open code a similar solution. Ensure that the field resets
to false at the beginning of a test run as the structure is reused
between test runs, eliminating a couple of bugs:
access_tracking_perf_test hangs indefinitely ... | ```diff
diff --git a/tools/testing/selftests/kvm/access_tracking_perf_test.c b/tools/testing/selftests/kvm/access_tracking_perf_test.c
index 76c583a07ea2..942370d57392 100644
--- a/tools/testing/selftests/kvm/access_tracking_perf_test.c
+++ b/tools/testing/selftests/kvm/access_tracking_perf_test.c
@@ -58,9 +58,6 @@ sta... |
4ecff954c370b82bce45bdca2846c5c5563e8a8a | Analyze and fix the following issue in the Linux kernel code: drm/bridge: megachips: Fix error handling in i2c_register_driver() | Problem Details:
A problem about insmod megachips-stdpxxxx-ge-b850v3-fw.ko failed is
triggered with the following log given:
[ 4497.981497] Error: Driver 'stdp4028-ge-b850v3-fw' is already registered, aborting...
insmod: ERROR: could not insert module megachips-stdpxxxx-ge-b850v3-fw.ko: Device or resource busy
The re... | ```diff
diff --git a/drivers/gpu/drm/bridge/megachips-stdpxxxx-ge-b850v3-fw.c b/drivers/gpu/drm/bridge/megachips-stdpxxxx-ge-b850v3-fw.c
index 97359f807bfc..cbfa05a6767b 100644
--- a/drivers/gpu/drm/bridge/megachips-stdpxxxx-ge-b850v3-fw.c
+++ b/drivers/gpu/drm/bridge/megachips-stdpxxxx-ge-b850v3-fw.c
@@ -440,7 +440,11... |
7a945ce0c19bbdf821d5f7ce1515e7fb8e444465 | Analyze and fix the following issue in the Linux kernel code: udp_tunnel: Add checks for nla_nest_start() in __udp_tunnel_nic_dump_write() | Problem Details:
As the nla_nest_start() may fail with NULL returned, the return value
should be checked.
Note that this is not a real bug, nothing will break here.
The next nla_put() will fail as well and we'll bail (and
nla_nest_cancel() can handle NULL). But we keep getting
those "fixes" so whatever.
Signed-off-by... | ```diff
diff --git a/net/ipv4/udp_tunnel_nic.c b/net/ipv4/udp_tunnel_nic.c
index bc3a043a5d5c..029219749785 100644
--- a/net/ipv4/udp_tunnel_nic.c
+++ b/net/ipv4/udp_tunnel_nic.c
@@ -624,6 +624,8 @@ __udp_tunnel_nic_dump_write(struct net_device *dev, unsigned int table,
continue;
nest = nla_nest_start(skb, ETH... |
517e6a301f34613bff24a8e35b5455884f2d83d8 | Analyze and fix the following issue in the Linux kernel code: perf: Fix perf_pending_task() UaF | Problem Details:
Per syzbot it is possible for perf_pending_task() to run after the
event is free()'d. There are two related but distinct cases:
- the task_work was already queued before destroying the event;
- destroying the event itself queues the task_work.
The first cannot be solved using task_work_cancel() sin... | ```diff
diff --git a/kernel/events/core.c b/kernel/events/core.c
index 9d15d2d96119..ad824794c306 100644
--- a/kernel/events/core.c
+++ b/kernel/events/core.c
@@ -2291,6 +2291,7 @@ event_sched_out(struct perf_event *event,
!event->pending_work) {
event->pending_work = 1;
dec = false;
+ WARN_ON_ONCE(!at... |
d66233a312ec9013af3e37e4030b479a20811ec3 | Analyze and fix the following issue in the Linux kernel code: net: ethernet: renesas: ravb: Fix promiscuous mode after system resumed | Problem Details:
After system resumed on some environment board, the promiscuous mode
is disabled because the SoC turned off. So, call ravb_set_rx_mode() in
the ravb_resume() to fix the issue.
Reported-by: Tho Vu <tho.vu.wh@renesas.com>
Fixes: 0184165b2f42 ("ravb: add sleep PM suspend/resume support")
Signed-off-by: Y... | ```diff
diff --git a/drivers/net/ethernet/renesas/ravb_main.c b/drivers/net/ethernet/renesas/ravb_main.c
index 36324126db6d..6bc923326268 100644
--- a/drivers/net/ethernet/renesas/ravb_main.c
+++ b/drivers/net/ethernet/renesas/ravb_main.c
@@ -3020,6 +3020,7 @@ static int __maybe_unused ravb_resume(struct device *dev)
... |
9ed7bfc79542119ac0a9e1ce8a2a5285e43433e9 | Analyze and fix the following issue in the Linux kernel code: sctp: fix memory leak in sctp_stream_outq_migrate() | Problem Details:
When sctp_stream_outq_migrate() is called to release stream out resources,
the memory pointed to by prio_head in stream out is not released.
The memory leak information is as follows:
unreferenced object 0xffff88801fe79f80 (size 64):
comm "sctp_repo", pid 7957, jiffies 4294951704 (age 36.480s)
... | ```diff
diff --git a/include/net/sctp/stream_sched.h b/include/net/sctp/stream_sched.h
index 01a70b27e026..65058faea4db 100644
--- a/include/net/sctp/stream_sched.h
+++ b/include/net/sctp/stream_sched.h
@@ -26,6 +26,8 @@ struct sctp_sched_ops {
int (*init)(struct sctp_stream *stream);
/* Init a stream */
int (*in... |
b85f628aa158a653c006e9c1405a117baef8c868 | Analyze and fix the following issue in the Linux kernel code: packet: do not set TP_STATUS_CSUM_VALID on CHECKSUM_COMPLETE | Problem Details:
CHECKSUM_COMPLETE signals that skb->csum stores the sum over the
entire packet. It does not imply that an embedded l4 checksum
field has been validated.
Fixes: 682f048bd494 ("af_packet: pass checksum validation status to the user")
Signed-off-by: Willem de Bruijn <willemb@google.com>
Link: https://lor... | ```diff
diff --git a/net/packet/af_packet.c b/net/packet/af_packet.c
index 6ce8dd19f33c..1ab65f7f2a0a 100644
--- a/net/packet/af_packet.c
+++ b/net/packet/af_packet.c
@@ -2293,8 +2293,7 @@ static int tpacket_rcv(struct sk_buff *skb, struct net_device *dev,
if (skb->ip_summed == CHECKSUM_PARTIAL)
status |= TP_STATU... |
0e682f04b4b59eac0b0a030251513589c4607458 | Analyze and fix the following issue in the Linux kernel code: net/mlx5: Lag, Fix for loop when checking lag | Problem Details:
The cited commit adds a for loop to check if each port supports lag
or not. But dev is not initialized correctly. Fix it by initializing
dev for each iteration.
Fixes: e87c6a832f88 ("net/mlx5: E-switch, Fix duplicate lag creation")
Signed-off-by: Chris Mi <cmi@nvidia.com>
Reported-by: Jacob Keller <ja... | ```diff
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/lag/lag.c b/drivers/net/ethernet/mellanox/mlx5/core/lag/lag.c
index 4070dc1d17cb..32c3e0a649a7 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/lag/lag.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/lag/lag.c
@@ -700,11 +700,13 @@ static bool mlx5_lag_ch... |
dda3bbbb26c823cd54d5bf211df7db12147c9392 | Analyze and fix the following issue in the Linux kernel code: Revert "net/mlx5e: MACsec, remove replay window size limitation in offload path" | Problem Details:
This reverts commit c0071be0e16c461680d87b763ba1ee5e46548fde.
The cited commit removed the validity checks which initialized the
window_sz and never removed the use of the now uninitialized variable,
so now we are left with wrong value in the window size and the following
clang warning: [-Wuninitializ... | ```diff
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_accel/macsec.c b/drivers/net/ethernet/mellanox/mlx5/core/en_accel/macsec.c
index 0d6dc394a12a..f900709639f6 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/en_accel/macsec.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/en_accel/macsec.c
@@ -229,6 +22... |
14347a9c889fbdbae81e500f6c6e313f5d8e5271 | Analyze and fix the following issue in the Linux kernel code: drm/i915/huc: always init the delayed load fence | Problem Details:
The fence is only tracking if the HuC load is in progress or not and
doesn't distinguish between already loaded, not supported or disabled,
so we can always initialize it to completed, no matter the actual
support. We already do that for most platforms, but we skip it on
GTs that lack VCS engines (e.g.... | ```diff
diff --git a/drivers/gpu/drm/i915/gt/uc/intel_huc.c b/drivers/gpu/drm/i915/gt/uc/intel_huc.c
index 0976e9101346..410905da8e97 100644
--- a/drivers/gpu/drm/i915/gt/uc/intel_huc.c
+++ b/drivers/gpu/drm/i915/gt/uc/intel_huc.c
@@ -211,6 +211,30 @@ void intel_huc_unregister_gsc_notifier(struct intel_huc *huc, struct... |
56ee51222e571b1fa0f10ac9227d714d3a929d04 | Analyze and fix the following issue in the Linux kernel code: drm/amdgpu: Fix logic error | Problem Details:
This commit fixes logic error in function 'amdgpu_hw_ip_info':
- value 'uvd' might be 'vcn'.
Signed-off-by: Konstantin Meskhidze <konstantin.meskhidze@huawei.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 ba348046fcec..7aa7e52ca784 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_kms.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_kms.c
@@ -431,7 +431,7 @@ static int amdgpu_hw_ip_info(struct amdgpu_device *adev,
case A... |
75818afff631e1ea785a82c3e8bb82eb0dee539c | Analyze and fix the following issue in the Linux kernel code: drm/amdkfd: Fix memory leakage | Problem Details:
This patch fixes potential memory leakage and seg fault
in _gpuvm_import_dmabuf() function
Fixes: d4ec4bdc0bd5 ("drm/amdkfd: Allow access for mmapping KFD BOs")
Signed-off-by: Konstantin Meskhidze <konstantin.meskhidze@huawei.com>
Signed-off-by: Felix Kuehling <Felix.Kuehling@amd.com>
Reviewed-by: Fe... | ```diff
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gpuvm.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gpuvm.c
index 3a763916a5a1..8782916e64a0 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gpuvm.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gpuvm.c
@@ -2204,7 +2204,7 @@ int amdgpu_amdkfd_gpuvm_imp... |
3d271e2e0ad0663b2f064e8e902430c45c11214d | Analyze and fix the following issue in the Linux kernel code: drm/amdgpu: update docum. filename following rename | Problem Details:
Fix documentation build errors for amdgpu: correct the filename.
Error: Cannot open file ../drivers/gpu/drm/amd/amdgpu/amdgpu_mn.c
Error: Cannot open file ../drivers/gpu/drm/amd/amdgpu/amdgpu_mn.c
Error: Cannot open file ../drivers/gpu/drm/amd/amdgpu/amdgpu_mn.c
WARNING: kernel-doc '../scripts/kernel... | ```diff
diff --git a/Documentation/gpu/amdgpu/driver-core.rst b/Documentation/gpu/amdgpu/driver-core.rst
index ebf5932845a9..467e6843aef6 100644
--- a/Documentation/gpu/amdgpu/driver-core.rst
+++ b/Documentation/gpu/amdgpu/driver-core.rst
@@ -148,10 +148,10 @@ PRIME Buffer Sharing
MMU Notifier
============
-.. kern... |
ca54639c7752edf1304d92ff4d0c049d4efc9ba0 | Analyze and fix the following issue in the Linux kernel code: drm/amdgpu: Fix PCI device refcount leak in amdgpu_atrm_get_bios() | Problem Details:
As comment of pci_get_class() says, it returns a pci_device with its
refcount increased and decreased the refcount for the input parameter
@from if it is not NULL.
If we break the loop in amdgpu_atrm_get_bios() with 'pdev' not NULL, we
need to call pci_dev_put() to decrease the refcount. Add the missi... | ```diff
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_bios.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_bios.c
index e363f56c72af..30c28a69e847 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_bios.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_bios.c
@@ -317,6 +317,7 @@ static bool amdgpu_atrm_get_bios(struct amdgpu_device *adev)
... |
f6015da7f2410109bd2ccd2e2828f26185aeb81d | Analyze and fix the following issue in the Linux kernel code: drm/amd/display: Fix DTBCLK disable requests and SRC_SEL programming | Problem Details:
[Description]
- When transitioning FRL / DP2 is not required, we will always request
DTBCLK = 0Mhz, but PMFW returns the min freq
- This causes us to make DTBCLK requests every time we call optimize
after transitioning from FRL to non-FRL
- If DTBCLK is not required, request the min instead (then w... | ```diff
diff --git a/drivers/gpu/drm/amd/display/dc/clk_mgr/dcn32/dcn32_clk_mgr.c b/drivers/gpu/drm/amd/display/dc/clk_mgr/dcn32/dcn32_clk_mgr.c
index 6f77d8e538ab..9eb9fe5b8d2c 100644
--- a/drivers/gpu/drm/amd/display/dc/clk_mgr/dcn32/dcn32_clk_mgr.c
+++ b/drivers/gpu/drm/amd/display/dc/clk_mgr/dcn32/dcn32_clk_mgr.c
@... |
359bcc904e233c8285d40a92121c8a5056d36e6f | Analyze and fix the following issue in the Linux kernel code: drm/amd/display: Fix arithmetic error in MALL size calculations for subvp | Problem Details:
[Description]
Need to subtract unused section of the viewport when calculating required space
in MALL for subvp instead of adding, to prevent over allocation.
Reviewed-by: Alvin Lee <Alvin.Lee2@amd.com>
Acked-by: Jasdeep Dhillon <jdhillon@amd.com>
Signed-off-by: Dillon Varone <Dillon.Varone@amd.com>
S... | ```diff
diff --git a/drivers/gpu/drm/amd/display/dc/dcn32/dcn32_resource_helpers.c b/drivers/gpu/drm/amd/display/dc/dcn32/dcn32_resource_helpers.c
index fa3778849db1..d869c057230f 100644
--- a/drivers/gpu/drm/amd/display/dc/dcn32/dcn32_resource_helpers.c
+++ b/drivers/gpu/drm/amd/display/dc/dcn32/dcn32_resource_helpers... |
aaae52110a381033d960c087bd276e2a857eb7cb | Analyze and fix the following issue in the Linux kernel code: drm/amd/display: Retain phantom pipes when min transition into subvp (#7358) | Problem Details:
[Description]
- When entering into a SubVP config that requires a minimal
transition we need to retain phantom pipes and also restore
the mall config
- This is because the min transition will remove phantom pipes
from the context (shallow copy) and not restore it's original
state
- This is just... | ```diff
diff --git a/drivers/gpu/drm/amd/display/dc/core/dc.c b/drivers/gpu/drm/amd/display/dc/core/dc.c
index 5e08922a8a66..87994ae0a397 100644
--- a/drivers/gpu/drm/amd/display/dc/core/dc.c
+++ b/drivers/gpu/drm/amd/display/dc/core/dc.c
@@ -3954,6 +3954,7 @@ bool dc_update_planes_and_stream(struct dc *dc,
struct dc... |
6609141c49df1b86fbad26a8643d4b4044f28b11 | Analyze and fix the following issue in the Linux kernel code: drm/amd/display: set per pipe dppclk to 0 when dpp is off | Problem Details:
The 'commit 52e4fdf09ebc ("drm/amd/display: use low clocks for no plane
configs")' introduced a change that set low clock values for DCN31 and
DCN32. As a result of these changes, DC started to spam the log with the
following warning:
------------[ cut here ]------------
WARNING: CPU: 8 PID: 1486 at
d... | ```diff
diff --git a/drivers/gpu/drm/amd/display/dc/dml/dcn31/dcn31_fpu.c b/drivers/gpu/drm/amd/display/dc/dml/dcn31/dcn31_fpu.c
index 12b23bd50e19..b37d14369a62 100644
--- a/drivers/gpu/drm/amd/display/dc/dml/dcn31/dcn31_fpu.c
+++ b/drivers/gpu/drm/amd/display/dc/dml/dcn31/dcn31_fpu.c
@@ -559,6 +559,9 @@ void dcn31_ca... |
ead08b95fa50f40618c72b93a849c4ae30c9cd50 | Analyze and fix the following issue in the Linux kernel code: drm/amd/display: Fix race condition in DPIA AUX transfer | Problem Details:
[Why]
This fix was intended for improving on coding style but in the process
uncovers a race condition, which explains why we are getting incorrect
length in DPIA AUX replies. Due to the call path of DPIA AUX going from
DC back to DM layer then again into DC and the added complexities on top
of current... | ```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 7f77f2338fa7..475a63ba50d8 100644
--- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
+++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
@@ -146,14 +146,6 @@ MODULE_FIRMWARE(FIRMWARE... |
68a60f6bab476970e73690649b5c4b60e0249b65 | Analyze and fix the following issue in the Linux kernel code: drm/amd/display: 3.2.214 | Problem Details:
This version brings along following fixes:
-Program output transfer function when required
-Fix arthmetic errror in MALL size caluclations for subvp
-DCC Meta pitch used for MALL allocation
-Debugfs entry to tell if connector is DPIA link
-Use largest vready_offset in pipe group
-Fixes race condition i... | ```diff
diff --git a/drivers/gpu/drm/amd/display/dc/dc.h b/drivers/gpu/drm/amd/display/dc/dc.h
index a19a890f1d76..4a7c0356d9c7 100644
--- a/drivers/gpu/drm/amd/display/dc/dc.h
+++ b/drivers/gpu/drm/amd/display/dc/dc.h
@@ -47,7 +47,7 @@ struct aux_payload;
struct set_config_cmd_payload;
struct dmub_notification;
-#... |
725a521a18734f65de05b8d353b5bd0d3ca4c37a | Analyze and fix the following issue in the Linux kernel code: drm/radeon: Fix PCI device refcount leak in radeon_atrm_get_bios() | Problem Details:
As comment of pci_get_class() says, it returns a pci_device with its
refcount increased and decreased the refcount for the input parameter
@from if it is not NULL.
If we break the loop in radeon_atrm_get_bios() with 'pdev' not NULL, we
need to call pci_dev_put() to decrease the refcount. Add the missi... | ```diff
diff --git a/drivers/gpu/drm/radeon/radeon_bios.c b/drivers/gpu/drm/radeon/radeon_bios.c
index 1d99c9a2b56e..63bdc9f6fc24 100644
--- a/drivers/gpu/drm/radeon/radeon_bios.c
+++ b/drivers/gpu/drm/radeon/radeon_bios.c
@@ -227,6 +227,7 @@ static bool radeon_atrm_get_bios(struct radeon_device *rdev)
if (!found)
... |
484d7dcc709da46a5976c9530eeff931e9ecba82 | Analyze and fix the following issue in the Linux kernel code: swsmu/amdgpu_smu: Fix the wrong if-condition | Problem Details:
The logical operator '&&' will make
smu->ppt_funcs->set_gfx_power_up_by_imu segment fault when
smu->ppt_funcs is NULL.
Signed-off-by: Yu Songping <yusongping@huawei.com>
Reviewed-by: Evan Quan <evan.quan@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com> | ```diff
diff --git a/drivers/gpu/drm/amd/pm/swsmu/amdgpu_smu.c b/drivers/gpu/drm/amd/pm/swsmu/amdgpu_smu.c
index 61eafaf09912..ca3beb5d8f27 100644
--- a/drivers/gpu/drm/amd/pm/swsmu/amdgpu_smu.c
+++ b/drivers/gpu/drm/amd/pm/swsmu/amdgpu_smu.c
@@ -161,7 +161,7 @@ int smu_get_dpm_freq_range(struct smu_context *smu,
in... |
65009bf2b4d287ef7ad7e6eb082b7c3d35eb611f | Analyze and fix the following issue in the Linux kernel code: amdgpu/nv.c: Corrected typo in the video capabilities resolution | Problem Details:
Corrected the typo in the 4K resolution parameters.
Fixes: b3a24461f9fb15 ("amdgpu/nv.c - Added codec query for Beige Goby")
Fixes: 9075096b09e590 ("amdgpu/nv.c - Optimize code for video codec support structure")
Fixes: 9ac0edaa0f8323 ("drm/amdgpu: add vcn_4_0_0 video codec query")
Signed-off-by: Vee... | ```diff
diff --git a/drivers/gpu/drm/amd/amdgpu/nv.c b/drivers/gpu/drm/amd/amdgpu/nv.c
index b3fba8dea63c..6853b93ac82e 100644
--- a/drivers/gpu/drm/amd/amdgpu/nv.c
+++ b/drivers/gpu/drm/amd/amdgpu/nv.c
@@ -82,10 +82,10 @@ static const struct amdgpu_video_codecs nv_video_codecs_encode =
/* Navi1x */
static const stru... |
dfd0287bd3920e132a8dae2a0ec3d92eaff5f2dd | Analyze and fix the following issue in the Linux kernel code: drm/amdgpu: Fix potential double free and null pointer dereference | Problem Details:
In amdgpu_get_xgmi_hive(), we should not call kfree() after
kobject_put() as the PUT will call kfree().
In amdgpu_device_ip_init(), we need to check the returned *hive*
which can be NULL before we dereference it.
Signed-off-by: Liang He <windhl@126.com>
Reviewed-by: Luben Tuikov <luben.tuikov@amd.com... | ```diff
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
index 9f7741871bb4..cfa411c12072 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
@@ -2473,6 +2473,11 @@ static int amdgpu_device_ip_init(struct amdgpu_dev... |
86a3c691dbcee3f71aa59a3a36d2aa055cea95d6 | Analyze and fix the following issue in the Linux kernel code: drm/amd/pm/smu11: poll BACO status after RPM BACO exits | Problem Details:
After executing BACO exit, driver needs to poll the status
to ensure FW has completed BACO exit sequence to prevent
timing issue.
v2: use usleep_range to replace msleep to fix checkpatch.pl warnings
Signed-off-by: Guchun Chen <guchun.chen@amd.com>
Reviewed-by: Lijo Lazar <lijo.lazar@amd.com>
Reviewed... | ```diff
diff --git a/drivers/gpu/drm/amd/pm/swsmu/smu11/smu_v11_0.c b/drivers/gpu/drm/amd/pm/swsmu/smu11/smu_v11_0.c
index ad5f6a15a1d7..ad66d57aa102 100644
--- a/drivers/gpu/drm/amd/pm/swsmu/smu11/smu_v11_0.c
+++ b/drivers/gpu/drm/amd/pm/swsmu/smu11/smu_v11_0.c
@@ -79,6 +79,17 @@ MODULE_FIRMWARE("amdgpu/beige_goby_smc... |
6dca7efe6e522bf213c7dab691fa580d82f48f74 | Analyze and fix the following issue in the Linux kernel code: drm/amd/pm/smu11: BACO is supported when it's in BACO state | Problem Details:
Return true early if ASIC is in BACO state already, no need
to talk to SMU. It can fix the issue that driver was not
calling BACO exit at all in runtime pm resume, and a timing
issue leading to a PCI AER error happened eventually.
Fixes: 8795e182b02d ("PCI/portdrv: Don't disable AER reporting in get_p... | ```diff
diff --git a/drivers/gpu/drm/amd/pm/swsmu/smu11/smu_v11_0.c b/drivers/gpu/drm/amd/pm/swsmu/smu11/smu_v11_0.c
index 70b560737687..ad5f6a15a1d7 100644
--- a/drivers/gpu/drm/amd/pm/swsmu/smu11/smu_v11_0.c
+++ b/drivers/gpu/drm/amd/pm/swsmu/smu11/smu_v11_0.c
@@ -1588,6 +1588,10 @@ bool smu_v11_0_baco_is_support(str... |
c1420a5dd4dd2a1ffc86965ad1c6f439afb130bc | Analyze and fix the following issue in the Linux kernel code: drm/amdgpu: fix stall on CPU when allocate large system memory | Problem Details:
-v2: 1. rename variable to redue confuse
2. optimize the code
-v3: move new define out of the middle of the code
-v4: squash in minmax error fix (Luben)
When applications try to allocate large system (more than > 128GB),
"stall cpu" is reported.
for such large system memory, walk_page_range take... | ```diff
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_hmm.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_hmm.c
index a48ea62b12b0..65715cb395d8 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_hmm.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_hmm.c
@@ -51,6 +51,8 @@
#include "amdgpu_amdkfd.h"
#include "amdgpu_hmm.h"
+#define MAX... |
e8679db2970f04ee5281c042977fff880a3c045a | Analyze and fix the following issue in the Linux kernel code: ASoC: qcom: lpass-sc7180: Add maybe_unused tag for system PM ops | Problem Details:
Add __maybe_unused tag for system PM ops suspend and resume.
This is required to fix allmodconfig compilation issue.
Fixes: a3a96e93cc88 ("ASoC: qcom: lpass-sc7280: Add system suspend/resume PM ops")
Signed-off-by: Srinivasa Rao Mandadapu <quic_srivasam@quicinc.com>
Link: https://lore.kernel.org/r/166... | ```diff
diff --git a/sound/soc/qcom/lpass-sc7180.c b/sound/soc/qcom/lpass-sc7180.c
index b96b85ad9ff4..41db6617e2ed 100644
--- a/sound/soc/qcom/lpass-sc7180.c
+++ b/sound/soc/qcom/lpass-sc7180.c
@@ -163,14 +163,14 @@ static int sc7180_lpass_exit(struct platform_device *pdev)
return 0;
}
-static int sc7180_lpass_de... |
0e42d14be23f4cdb68a06ea40106eccf7db0b4bc | Analyze and fix the following issue in the Linux kernel code: random: remove extraneous period and add a missing one in comments | Problem Details:
Just some trivial typo fixes, and reflowing of lines.
Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com> | ```diff
diff --git a/drivers/char/random.c b/drivers/char/random.c
index a2a18bd3d7d7..7b71cea6a6ab 100644
--- a/drivers/char/random.c
+++ b/drivers/char/random.c
@@ -1236,15 +1236,13 @@ struct entropy_timer_state {
};
/*
- * Each time the timer fires, we expect that we got an unpredictable
- * jump in the cycle co... |
eb79f12b4c41dd2403a0d16772ee72fcd6416015 | Analyze and fix the following issue in the Linux kernel code: docs: perf: Fix PMU instance name of hisi-pcie-pmu | Problem Details:
The PMU instance will be called hisi_pcie<sicl>_core<core> rather than
hisi_pcie<sicl>_<core>. Fix this in the documentation.
Fixes: c8602008e247 ("docs: perf: Add description for HiSilicon PCIe PMU driver")
Reviewed-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Signed-off-by: Yicong Yang <yangyi... | ```diff
diff --git a/Documentation/admin-guide/perf/hisi-pcie-pmu.rst b/Documentation/admin-guide/perf/hisi-pcie-pmu.rst
index 294ebbdb22af..bbe66480ff85 100644
--- a/Documentation/admin-guide/perf/hisi-pcie-pmu.rst
+++ b/Documentation/admin-guide/perf/hisi-pcie-pmu.rst
@@ -15,10 +15,10 @@ HiSilicon PCIe PMU driver
Th... |
6b4bb4f38dbfe85247f006f06135ba46450d5bf0 | Analyze and fix the following issue in the Linux kernel code: drivers/perf: hisi: Fix some event id for hisi-pcie-pmu | Problem Details:
Some event id of hisi-pcie-pmu is incorrect, fix them.
Fixes: 8404b0fbc7fb ("drivers/perf: hisi: Add driver for HiSilicon PCIe PMU")
Reviewed-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Signed-off-by: Yicong Yang <yangyicong@hisilicon.com>
Link: https://lore.kernel.org/r/20221117084136.53572-2-... | ```diff
diff --git a/drivers/perf/hisilicon/hisi_pcie_pmu.c b/drivers/perf/hisilicon/hisi_pcie_pmu.c
index 21771708597d..071e63d9a9ac 100644
--- a/drivers/perf/hisilicon/hisi_pcie_pmu.c
+++ b/drivers/perf/hisilicon/hisi_pcie_pmu.c
@@ -693,10 +693,10 @@ static struct attribute *hisi_pcie_pmu_events_attr[] = {
HISI_PCI... |
b310092e3eec6e7be36ed2436577f406a1e5e8de | Analyze and fix the following issue in the Linux kernel code: selftests: alsa - move shared library configuration code to conf.c | Problem Details:
The minimal alsa-lib configuration code is similar in both mixer
and pcm tests. Move this code to the shared conf.c source file.
Also, fix the build rules inspired by rseq tests. Build libatest.so
which is linked to the both test utilities dynamically.
Also, set the TEST_FILES variable for lib.mk.
C... | ```diff
diff --git a/tools/testing/selftests/alsa/Makefile b/tools/testing/selftests/alsa/Makefile
index 8ac22d2eb2ba..a8c0383878d3 100644
--- a/tools/testing/selftests/alsa/Makefile
+++ b/tools/testing/selftests/alsa/Makefile
@@ -6,9 +6,20 @@ LDLIBS += $(shell pkg-config --libs alsa)
ifeq ($(LDLIBS),)
LDLIBS += -las... |
1e24c54da257ab93cff5826be8a793b014a5dc9c | Analyze and fix the following issue in the Linux kernel code: ca8210: Fix crash by zero initializing data | Problem Details:
The struct cas_control embeds multiple generic SPI structures and we
have to make sure these structures are initialized to default values.
This driver does not set all attributes. When using kmalloc before some
attributes were not initialized and contained random data which caused
random crashes at boo... | ```diff
diff --git a/drivers/net/ieee802154/ca8210.c b/drivers/net/ieee802154/ca8210.c
index 450b16ad40a4..e1a569b99e4a 100644
--- a/drivers/net/ieee802154/ca8210.c
+++ b/drivers/net/ieee802154/ca8210.c
@@ -885,7 +885,7 @@ static int ca8210_spi_transfer(
dev_dbg(&spi->dev, "%s called\n", __func__);
- cas_ctl = km... |
4d002d6a2a00ac1c433899bd7625c6400a74cfba | Analyze and fix the following issue in the Linux kernel code: ieee802154: cc2520: Fix error return code in cc2520_hw_init() | Problem Details:
In cc2520_hw_init(), if oscillator start failed, the error code
should be returned.
Fixes: 0da6bc8cc341 ("ieee802154: cc2520: adds driver for TI CC2520 radio")
Signed-off-by: Ziyang Xuan <william.xuanziyang@huawei.com>
Link: https://lore.kernel.org/r/20221120075046.2213633-1-william.xuanziyang@huawei.... | ```diff
diff --git a/drivers/net/ieee802154/cc2520.c b/drivers/net/ieee802154/cc2520.c
index c69b87d3837d..edc769daad07 100644
--- a/drivers/net/ieee802154/cc2520.c
+++ b/drivers/net/ieee802154/cc2520.c
@@ -970,7 +970,7 @@ static int cc2520_hw_init(struct cc2520_private *priv)
if (timeout-- <= 0) {
dev_err(&pr... |
ce00d127a6068a0e4e9485424c1fd32564bce326 | Analyze and fix the following issue in the Linux kernel code: perf/amlogic: Remove unused header inclusions of <linux/version.h> | Problem Details:
According to the "Abaci Robot":
| ./drivers/perf/amlogic/meson_g12_ddr_pmu.c:15 linux/version.h not needed.
| ./drivers/perf/amlogic/meson_ddr_pmu_core.c: 19 linux/version.h not needed.
So drop the unnecessary #include directives.
Link: https://bugzilla.openanolis.cn/show_bug.cgi?id=3280
Link: htt... | ```diff
diff --git a/drivers/perf/amlogic/meson_ddr_pmu_core.c b/drivers/perf/amlogic/meson_ddr_pmu_core.c
index 0ff7c0449ac2..b84346dbac2c 100644
--- a/drivers/perf/amlogic/meson_ddr_pmu_core.c
+++ b/drivers/perf/amlogic/meson_ddr_pmu_core.c
@@ -16,7 +16,6 @@
#include <linux/printk.h>
#include <linux/sysfs.h>
#incl... |
c981cdfb9925f64a364f13c2b4f98f877308a408 | Analyze and fix the following issue in the Linux kernel code: mmc: sdhci: Fix voltage switch delay | Problem Details:
Commit 20b92a30b561 ("mmc: sdhci: update signal voltage switch code")
removed voltage switch delays from sdhci because mmc core had been
enhanced to support them. However that assumed that sdhci_set_ios()
did a single clock change, which it did not, and so the delays in mmc
core, which should have come... | ```diff
diff --git a/drivers/mmc/host/sdhci.c b/drivers/mmc/host/sdhci.c
index fef03de85b99..c7ad32a75b57 100644
--- a/drivers/mmc/host/sdhci.c
+++ b/drivers/mmc/host/sdhci.c
@@ -373,6 +373,7 @@ static void sdhci_init(struct sdhci_host *host, int soft)
if (soft) {
/* force clock reconfiguration */
host->clock =... |
62c73bfea048e66168df09da6d3e4510ecda40bb | Analyze and fix the following issue in the Linux kernel code: usb: dwc3: Fix race between dwc3_set_mode and __dwc3_set_mode | Problem Details:
dwc->desired_dr_role is changed by dwc3_set_mode inside a spinlock but
then read by __dwc3_set_mode outside of that lock. This can lead to a
race condition when very quick successive role switch events happen:
CPU A
dwc3_set_mode(DWC3_GCTL_PRTCAP_HOST) // first role switch event
spin_lock_irqsave(&... | ```diff
diff --git a/drivers/usb/dwc3/core.c b/drivers/usb/dwc3/core.c
index 1f348bc867c2..fc38a8b13efa 100644
--- a/drivers/usb/dwc3/core.c
+++ b/drivers/usb/dwc3/core.c
@@ -122,21 +122,25 @@ static void __dwc3_set_mode(struct work_struct *work)
unsigned long flags;
int ret;
u32 reg;
+ u32 desired_dr_role;
m... |
c61bfb1cb63ddab52b31cf5f1924688917e61fad | Analyze and fix the following issue in the Linux kernel code: mmc: mtk-sd: Fix missing clk_disable_unprepare in msdc_of_clock_parse() | Problem Details:
The clk_disable_unprepare() should be called in the error handling
of devm_clk_bulk_get_optional, fix it by replacing devm_clk_get_optional
and clk_prepare_enable by devm_clk_get_optional_enabled.
Fixes: f5eccd94b63f ("mmc: mediatek: Add subsys clock control for MT8192 msdc")
Signed-off-by: Gaosheng C... | ```diff
diff --git a/drivers/mmc/host/mtk-sd.c b/drivers/mmc/host/mtk-sd.c
index df941438aef5..26bc59b5a7cc 100644
--- a/drivers/mmc/host/mtk-sd.c
+++ b/drivers/mmc/host/mtk-sd.c
@@ -2588,13 +2588,11 @@ static int msdc_of_clock_parse(struct platform_device *pdev,
return PTR_ERR(host->src_clk_cg);
}
- host->sys_... |
c771b4eabd6a52afff0b6f01c361a9d04fa8cd9d | Analyze and fix the following issue in the Linux kernel code: spi: dt-bindings: nuvoton,wpcm450-fiu: Fix warning in example (missing reg property) | Problem Details:
Add missing "reg = <0>;" property to the flash@0 node in the example.
Fixes: dd71cd4dd6c9b ("spi: Add Nuvoton WPCM450 Flash Interface Unit (FIU) bindings")
Signed-off-by: Jonathan Neuschäfer <j.neuschaefer@gmx.net>
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Link: https://lore.ke... | ```diff
diff --git a/Documentation/devicetree/bindings/spi/nuvoton,wpcm450-fiu.yaml b/Documentation/devicetree/bindings/spi/nuvoton,wpcm450-fiu.yaml
index e4162845fcc1..4e0d391e1d69 100644
--- a/Documentation/devicetree/bindings/spi/nuvoton,wpcm450-fiu.yaml
+++ b/Documentation/devicetree/bindings/spi/nuvoton,wpcm450-fi... |
1e2872f5912fbc87a00d00d49af98e428f4ff8b7 | Analyze and fix the following issue in the Linux kernel code: spi: dt-bindings: nuvoton,wpcm450-fiu: Fix error in example (bogus include) | Problem Details:
The nuvoton,wpcm450-fiu binding's example includes
nuvoton,wpcm450-clk.h, which has not been merged yet,
thus causing a dt_binding_check error on -next.
Fix this error by simply hardcoding the clock index in the example,
before the breakage spreads any further.
Fixes: dd71cd4dd6c9b ("spi: Add Nuvoton... | ```diff
diff --git a/Documentation/devicetree/bindings/spi/nuvoton,wpcm450-fiu.yaml b/Documentation/devicetree/bindings/spi/nuvoton,wpcm450-fiu.yaml
index ef94803e75d9..e4162845fcc1 100644
--- a/Documentation/devicetree/bindings/spi/nuvoton,wpcm450-fiu.yaml
+++ b/Documentation/devicetree/bindings/spi/nuvoton,wpcm450-fi... |
e493bec343fa76e95631d0e21fd4a3538aa90c56 | Analyze and fix the following issue in the Linux kernel code: net: marvell: prestera: Fix a NULL vs IS_ERR() check in some functions | Problem Details:
rhashtable_lookup_fast() returns NULL when failed instead of error
pointer.
Fixes: 396b80cb5cc8 ("net: marvell: prestera: Add neighbour cache accounting")
Fixes: 0a23ae237171 ("net: marvell: prestera: Add router nexthops ABI")
Signed-off-by: Shang XiaoJing <shangxiaojing@huawei.com>
Link: https://lore... | ```diff
diff --git a/drivers/net/ethernet/marvell/prestera/prestera_router.c b/drivers/net/ethernet/marvell/prestera/prestera_router.c
index 4046be0e86ff..a9a1028cb17b 100644
--- a/drivers/net/ethernet/marvell/prestera/prestera_router.c
+++ b/drivers/net/ethernet/marvell/prestera/prestera_router.c
@@ -457,7 +457,7 @@ p... |
5daadc86f27ea4d691e2131c04310d0418c6cd12 | Analyze and fix the following issue in the Linux kernel code: net: tun: Fix use-after-free in tun_detach() | Problem Details:
syzbot reported use-after-free in tun_detach() [1]. This causes call
trace like below:
==================================================================
BUG: KASAN: use-after-free in notifier_call_chain+0x1ee/0x200 kernel/notifier.c:75
Read of size 8 at addr ffff88807324e2a8 by task syz-executor.0/3... | ```diff
diff --git a/drivers/net/tun.c b/drivers/net/tun.c
index 7a3ab3427369..24001112c323 100644
--- a/drivers/net/tun.c
+++ b/drivers/net/tun.c
@@ -686,7 +686,6 @@ static void __tun_detach(struct tun_file *tfile, bool clean)
if (tun)
xdp_rxq_info_unreg(&tfile->xdp_rxq);
ptr_ring_cleanup(&tfile->tx_ring, tu... |
8d58bb7991c45f6b60710cc04c9498c6ea96db90 | Analyze and fix the following issue in the Linux kernel code: drm/i915/dsi: fix VBT send packet port selection for dual link DSI | Problem Details:
intel_dsi->ports contains bitmask of enabled ports and correspondingly
logic for selecting port for VBT packet sending must use port specific
bitmask when deciding appropriate port.
Fixes: 08c59dde71b7 ("drm/i915/dsi: fix VBT send packet port selection for ICL+")
Cc: stable@vger.kernel.org
Signed-off-... | ```diff
diff --git a/drivers/gpu/drm/i915/display/intel_dsi_vbt.c b/drivers/gpu/drm/i915/display/intel_dsi_vbt.c
index 75e8cc4337c9..fce69fa446d5 100644
--- a/drivers/gpu/drm/i915/display/intel_dsi_vbt.c
+++ b/drivers/gpu/drm/i915/display/intel_dsi_vbt.c
@@ -137,9 +137,9 @@ static enum port intel_dsi_seq_port_to_port(s... |
7674cd0b7d28b952151c3df26bbfa7e07eb2b4ec | Analyze and fix the following issue in the Linux kernel code: drm/i915/bios: fix a memory leak in generate_lfp_data_ptrs | Problem Details:
When (size != 0 || ptrs->lvds_ entries != 3), the program tries to
free() the ptrs. However, the ptrs is not created by calling kzmalloc(),
but is obtained by pointer offset operation.
This may lead to memory leaks or undefined behavior.
Fix this by replacing the arguments of kfree() with ptrs_block.
... | ```diff
diff --git a/drivers/gpu/drm/i915/display/intel_bios.c b/drivers/gpu/drm/i915/display/intel_bios.c
index c2987f2c2b2e..572a4e3769f3 100644
--- a/drivers/gpu/drm/i915/display/intel_bios.c
+++ b/drivers/gpu/drm/i915/display/intel_bios.c
@@ -414,7 +414,7 @@ static void *generate_lfp_data_ptrs(struct drm_i915_priva... |
2dbf12ae132cc78048615cfa19c9be64baaf0ced | Analyze and fix the following issue in the Linux kernel code: KVM: arm64: Simplify the sanitise_mte_tags() logic | Problem Details:
Currently sanitise_mte_tags() checks if it's an online page before
attempting to sanitise the tags. Such detection should be done in the
caller via the VM_MTE_ALLOWED vma flag. Since kvm_set_spte_gfn() does
not have the vma, leave the page unmapped if not already tagged. Tag
initialisation will be done... | ```diff
diff --git a/arch/arm64/kvm/mmu.c b/arch/arm64/kvm/mmu.c
index 2c3759f1f2c5..e81bfb730629 100644
--- a/arch/arm64/kvm/mmu.c
+++ b/arch/arm64/kvm/mmu.c
@@ -1091,23 +1091,14 @@ static int get_vma_page_shift(struct vm_area_struct *vma, unsigned long hva)
* - mmap_lock protects between a VM faulting a page in and... |
e059853d14ca4ed0f6a190d7109487918a22a976 | Analyze and fix the following issue in the Linux kernel code: arm64: mte: Fix/clarify the PG_mte_tagged semantics | Problem Details:
Currently the PG_mte_tagged page flag mostly means the page contains
valid tags and it should be set after the tags have been cleared or
restored. However, in mte_sync_tags() it is set before setting the tags
to avoid, in theory, a race with concurrent mprotect(PROT_MTE) for
shared pages. However, a co... | ```diff
diff --git a/arch/arm64/include/asm/mte.h b/arch/arm64/include/asm/mte.h
index 760c62f8e22f..3f8199ba265a 100644
--- a/arch/arm64/include/asm/mte.h
+++ b/arch/arm64/include/asm/mte.h
@@ -37,6 +37,29 @@ void mte_free_tag_storage(char *storage);
/* track which pages have valid allocation tags */
#define PG_mte_... |
b0284cd29a957e62d60c2886fd663be93c56f9c0 | Analyze and fix the following issue in the Linux kernel code: mm: Do not enable PG_arch_2 for all 64-bit architectures | Problem Details:
Commit 4beba9486abd ("mm: Add PG_arch_2 page flag") introduced a new
page flag for all 64-bit architectures. However, even if an architecture
is 64-bit, it may still have limited spare bits in the 'flags' member of
'struct page'. This may happen if an architecture enables SPARSEMEM
without SPARSEMEM_VM... | ```diff
diff --git a/arch/arm64/Kconfig b/arch/arm64/Kconfig
index 505c8a1ccbe0..cd93d0738425 100644
--- a/arch/arm64/Kconfig
+++ b/arch/arm64/Kconfig
@@ -1965,6 +1965,7 @@ config ARM64_MTE
depends on ARM64_PAN
select ARCH_HAS_SUBPAGE_FAULTS
select ARCH_USES_HIGH_VMA_FLAGS
+ select ARCH_USES_PG_ARCH_X
help
... |
2d6c66f5253e7d168a76048d18e1209c52f98a2b | Analyze and fix the following issue in the Linux kernel code: RDMA/mlx4: Remove NULL check before dev_{put, hold} | Problem Details:
The call netdev_{put, hold} of dev_{put, hold} will check NULL,
so there is no need to check before using dev_{put, hold}.
Fix the following coccicheck warnings:
/drivers/infiniband/hw/mlx4/main.c:1311:2-10: WARNING:
WARNING NULL check before dev_{put, hold} functions is not needed.
/drivers/infinib... | ```diff
diff --git a/drivers/infiniband/hw/mlx4/main.c b/drivers/infiniband/hw/mlx4/main.c
index ba47874f90d3..dceebcd885bb 100644
--- a/drivers/infiniband/hw/mlx4/main.c
+++ b/drivers/infiniband/hw/mlx4/main.c
@@ -144,8 +144,7 @@ static struct net_device *mlx4_ib_get_netdev(struct ib_device *device,
}
}
}
- i... |
12b8b046e4c9de40fa59b6f067d6826f4e688f68 | Analyze and fix the following issue in the Linux kernel code: drm/i915: Never return 0 if not all requests retired | Problem Details:
Users of intel_gt_retire_requests_timeout() expect 0 return value on
success. However, we have no protection from passing back 0 potentially
returned by a call to dma_fence_wait_timeout() when it succedes right
after its timeout has expired.
Replace 0 with -ETIME before potentially using the timeout ... | ```diff
diff --git a/drivers/gpu/drm/i915/gt/intel_gt_requests.c b/drivers/gpu/drm/i915/gt/intel_gt_requests.c
index edb881d75630..1dfd01668c79 100644
--- a/drivers/gpu/drm/i915/gt/intel_gt_requests.c
+++ b/drivers/gpu/drm/i915/gt/intel_gt_requests.c
@@ -199,7 +199,7 @@ out_active: spin_lock(&timelines->lock);
if (re... |
a8899b8728013c7b2456f0bfa20e5fea85ee0fd1 | Analyze and fix the following issue in the Linux kernel code: drm/i915: Fix negative value passed as remaining time | Problem Details:
Commit b97060a99b01 ("drm/i915/guc: Update intel_gt_wait_for_idle to work
with GuC") extended the API of intel_gt_retire_requests_timeout() with an
extra argument 'remaining_timeout', intended for passing back unconsumed
portion of requested timeout when 0 (success) is returned. However, when
request ... | ```diff
diff --git a/drivers/gpu/drm/i915/gt/intel_gt.c b/drivers/gpu/drm/i915/gt/intel_gt.c
index d0b03a928b9a..9f0388b3dcf2 100644
--- a/drivers/gpu/drm/i915/gt/intel_gt.c
+++ b/drivers/gpu/drm/i915/gt/intel_gt.c
@@ -625,8 +625,13 @@ int intel_gt_wait_for_idle(struct intel_gt *gt, long timeout)
return -EINTR;
}... |
3c1ea6a5f4f55d4e376675dda16945eb5d9bb4de | Analyze and fix the following issue in the Linux kernel code: drm/i915: Remove non-existent pipes from bigjoiner pipe mask | Problem Details:
bigjoiner_pipes() doesn't consider that:
- RKL only has three pipes
- some pipes may be fused off
This means that intel_atomic_check_bigjoiner() won't reject
all configurations that would need a non-existent pipe.
Instead we just keep on rolling witout actually having
reserved the slave pipe we need.
... | ```diff
diff --git a/drivers/gpu/drm/i915/display/intel_display.c b/drivers/gpu/drm/i915/display/intel_display.c
index 461c62c88413..de77054195c6 100644
--- a/drivers/gpu/drm/i915/display/intel_display.c
+++ b/drivers/gpu/drm/i915/display/intel_display.c
@@ -3723,12 +3723,16 @@ out:
static u8 bigjoiner_pipes(struct ... |
2f3830544a89af2e72e7fd3d6ca44dd9cffec197 | Analyze and fix the following issue in the Linux kernel code: drm/i915/mtl: Fix dram info readout | Problem Details:
MEM_SS_INFO_GLOBAL Register info read from the hardware is cached in val. However
the variable is being modified when determining the DRAM type thereby clearing out
the channels and qgv info extracted later in the function xelpdp_get_dram_info. Preserve
the register value and use extracted fields in th... | ```diff
diff --git a/drivers/gpu/drm/i915/intel_dram.c b/drivers/gpu/drm/i915/intel_dram.c
index 2403ccd52c74..bba8cb6e8ae4 100644
--- a/drivers/gpu/drm/i915/intel_dram.c
+++ b/drivers/gpu/drm/i915/intel_dram.c
@@ -471,8 +471,7 @@ static int xelpdp_get_dram_info(struct drm_i915_private *i915)
u32 val = intel_uncore_r... |
fb12940f51d96ead10f9c0fd578e69b8de10ca81 | Analyze and fix the following issue in the Linux kernel code: driver core: fix up some missing class.devnode() conversions. | Problem Details:
In commit ff62b8e6588f ("driver core: make struct class.devnode() take a
const *") the ->devnode callback changed the pointer to be const, but a
few instances of PowerPC drivers were not caught for some reason.
Fix this up by changing the pointers to be const.
Fixes: ff62b8e6588f ("driver core: make ... | ```diff
diff --git a/arch/powerpc/platforms/book3s/vas-api.c b/arch/powerpc/platforms/book3s/vas-api.c
index 40f5ae5e1238..eb5bed333750 100644
--- a/arch/powerpc/platforms/book3s/vas-api.c
+++ b/arch/powerpc/platforms/book3s/vas-api.c
@@ -53,7 +53,7 @@ struct coproc_instance {
struct vas_window *txwin;
};
-static ... |
70a3288a7586526315105c699b687d78cd32559a | Analyze and fix the following issue in the Linux kernel code: usb: gadget: f_hid: fix refcount leak on error path | Problem Details:
When failing to allocate report_desc, opts->refcnt has already been
incremented so it needs to be decremented to avoid leaving the options
structure permanently locked.
Fixes: 21a9476a7ba8 ("usb: gadget: hid: add configfs support")
Tested-by: Lee Jones <lee@kernel.org>
Reviewed-by: Andrzej Pietrasiewi... | ```diff
diff --git a/drivers/usb/gadget/function/f_hid.c b/drivers/usb/gadget/function/f_hid.c
index 8b8bbeaa27cb..6be6009f911e 100644
--- a/drivers/usb/gadget/function/f_hid.c
+++ b/drivers/usb/gadget/function/f_hid.c
@@ -1292,6 +1292,7 @@ static struct usb_function *hidg_alloc(struct usb_function_instance *fi)
... |
89ff3dfac604614287ad5aad9370c3f984ea3f4b | Analyze and fix the following issue in the Linux kernel code: usb: gadget: f_hid: fix f_hidg lifetime vs cdev | Problem Details:
The embedded struct cdev does not have its lifetime correctly tied to
the enclosing struct f_hidg, so there is a use-after-free if /dev/hidgN
is held open while the gadget is deleted.
This can readily be replicated with libusbgx's example programs (for
conciseness - operating directly via configfs is ... | ```diff
diff --git a/drivers/usb/gadget/function/f_hid.c b/drivers/usb/gadget/function/f_hid.c
index ca0a7d9eaa34..8b8bbeaa27cb 100644
--- a/drivers/usb/gadget/function/f_hid.c
+++ b/drivers/usb/gadget/function/f_hid.c
@@ -71,7 +71,7 @@ struct f_hidg {
wait_queue_head_t write_queue;
struct usb_request *req;
- i... |
ae423ef5d095e09970f52c08020fdbf7f9d87c22 | Analyze and fix the following issue in the Linux kernel code: usb: cdnsp: fix lack of ZLP for ep0 | Problem Details:
Patch implements the handling of ZLP for control transfer.
To send the ZLP driver must prepare the extra TRB in TD with
length set to zero and TRB type to TRB_NORMAL.
The first TRB must have set TRB_CHAIN flag, TD_SIZE = 1
and TRB type to TRB_DATA.
Fixes: 3d82904559f4 ("usb: cdnsp: cdns3 Add main part... | ```diff
diff --git a/drivers/usb/cdns3/cdnsp-ring.c b/drivers/usb/cdns3/cdnsp-ring.c
index 2f29431f612e..b23e543b3a3d 100644
--- a/drivers/usb/cdns3/cdnsp-ring.c
+++ b/drivers/usb/cdns3/cdnsp-ring.c
@@ -2006,10 +2006,11 @@ int cdnsp_queue_bulk_tx(struct cdnsp_device *pdev, struct cdnsp_request *preq)
int cdnsp_queue... |
03a88b0bafbe3f548729d970d8366f48718c9b19 | Analyze and fix the following issue in the Linux kernel code: usb: xhci-mtk: fix leakage of shared hcd when fail to set wakeup irq | Problem Details:
Can not set the @shared_hcd to NULL before decrease the usage count
by usb_put_hcd(), this will cause the shared hcd not released.
Fixes: 04284eb74e0c ("usb: xhci-mtk: add support runtime PM")
Cc: <stable@vger.kernel.org>
Signed-off-by: Chunfeng Yun <chunfeng.yun@mediatek.com>
Link: https://lore.kerne... | ```diff
diff --git a/drivers/usb/host/xhci-mtk.c b/drivers/usb/host/xhci-mtk.c
index cff3c4aea036..f7cbb08fc506 100644
--- a/drivers/usb/host/xhci-mtk.c
+++ b/drivers/usb/host/xhci-mtk.c
@@ -646,7 +646,6 @@ static int xhci_mtk_probe(struct platform_device *pdev)
dealloc_usb3_hcd:
usb_remove_hcd(xhci->shared_hcd);
... |
27ef17849779edd5600aa27d1a246ad424761971 | Analyze and fix the following issue in the Linux kernel code: usb: add usb_set_intfdata() documentation | Problem Details:
USB drivers do not need to call usb_set_intfdata(intf, NULL) in their
usb_driver::disconnect callback because the core already does it in [1].
However, this fact is widely unknown, c.f.:
$ git grep "usb_set_intfdata(.*NULL)" | wc -l
215
Especially, setting the interface to NULL before all action... | ```diff
diff --git a/drivers/usb/usb-skeleton.c b/drivers/usb/usb-skeleton.c
index d87deee3e26e..900a64ad25e4 100644
--- a/drivers/usb/usb-skeleton.c
+++ b/drivers/usb/usb-skeleton.c
@@ -564,7 +564,6 @@ static void skel_disconnect(struct usb_interface *interface)
int minor = interface->minor;
dev = usb_get_intfda... |
01792c6036af577e4cb1aa7b9ffce7a4882c86b5 | Analyze and fix the following issue in the Linux kernel code: usb: host: fix a typo in ehci.h | Problem Details:
Change "ehci_hq" to "ehci_qh" in this comment.
Signed-off-by: Xu Yang <xu.yang_2@nxp.com>
Link: https://lore.kernel.org/r/20221128081306.2772729-1-xu.yang_2@nxp.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> | ```diff
diff --git a/drivers/usb/host/ehci.h b/drivers/usb/host/ehci.h
index ad3f13a3eaf1..c5c7f8782549 100644
--- a/drivers/usb/host/ehci.h
+++ b/drivers/usb/host/ehci.h
@@ -471,7 +471,7 @@ struct ehci_iso_sched {
* acts like a qh would, if EHCI had them for ISO.
*/
struct ehci_iso_stream {
- /* first field match... |
f05f80f217bf52443a2582bca19fd78188333f25 | Analyze and fix the following issue in the Linux kernel code: usb: dwc3: pci: Update PCIe device ID for USB3 controller on CPU sub-system for Raptor Lake | Problem Details:
The device ID 0xa70e is defined for the USB3 device controller in the CPU
sub-system of Raptor Lake platform. Hence updating the ID accordingly.
Fixes: bad0d1d726ac ("usb: dwc3: pci: Add support for Intel Raptor Lake")
Cc: stable <stable@kernel.org>
Reviewed-by: Heikki Krogerus <heikki.krogerus@linux.... | ```diff
diff --git a/drivers/usb/dwc3/dwc3-pci.c b/drivers/usb/dwc3/dwc3-pci.c
index fb14511b1e10..89c9ab2b19f8 100644
--- a/drivers/usb/dwc3/dwc3-pci.c
+++ b/drivers/usb/dwc3/dwc3-pci.c
@@ -45,7 +45,7 @@
#define PCI_DEVICE_ID_INTEL_ADLN 0x465e
#define PCI_DEVICE_ID_INTEL_ADLN_PCH 0x54ee
#define PCI_DEVICE_ID_INTE... |
3c347cdafa3db43337870006e5c2d7b78a8dae20 | Analyze and fix the following issue in the Linux kernel code: usb: core: hcd: Fix return value check in usb_hcd_setup_local_mem() | Problem Details:
If dmam_alloc_attrs() fails, it returns NULL pointer and never
return ERR_PTR(), so repleace IS_ERR() with IS_ERR_OR_NULL()
and if it's NULL, returns -ENOMEM.
Fixes: 9ba26f5cecd8 ("ARM: sa1100/assabet: move dmabounce hack to ohci driver")
Signed-off-by: Yang Yingliang <yangyingliang@huawei.com>
Link: ... | ```diff
diff --git a/drivers/usb/core/hcd.c b/drivers/usb/core/hcd.c
index faeaace0d197..8300baedafd2 100644
--- a/drivers/usb/core/hcd.c
+++ b/drivers/usb/core/hcd.c
@@ -3133,8 +3133,12 @@ int usb_hcd_setup_local_mem(struct usb_hcd *hcd, phys_addr_t phys_addr,
GFP_KERNEL,
DMA_ATTR_WRITE_COMBINE);... |
e0dced9c7d4763fd97c86a13902d135f03cc42eb | Analyze and fix the following issue in the Linux kernel code: usb: typec: ucsi: Resume in separate work | Problem Details:
It can take more than one second to check each connector
when the system is resumed. So if you have, say, eight
connectors, it may take eight seconds for ucsi_resume() to
finish. That's a bit too much.
This will modify ucsi_resume() so that it schedules a work
where the interface is actually resumed i... | ```diff
diff --git a/drivers/usb/typec/ucsi/ucsi.c b/drivers/usb/typec/ucsi/ucsi.c
index a7987fc764cc..eabe519013e7 100644
--- a/drivers/usb/typec/ucsi/ucsi.c
+++ b/drivers/usb/typec/ucsi/ucsi.c
@@ -1270,8 +1270,9 @@ err:
return ret;
}
-int ucsi_resume(struct ucsi *ucsi)
+static void ucsi_resume_work(struct work_s... |
1ab30c610630da5391a373cddb8a065bf4c4bc01 | Analyze and fix the following issue in the Linux kernel code: usb: roles: fix of node refcount leak in usb_role_switch_is_parent() | Problem Details:
I got the following report while doing device(mt6370-tcpc) load
test with CONFIG_OF_UNITTEST and CONFIG_OF_DYNAMIC enabled:
OF: ERROR: memory leak, expected refcount 1 instead of 2,
of_node_get()/of_node_put() unbalanced - destroy cset entry:
attach overlay node /i2c/pmic@34
The 'parent' return... | ```diff
diff --git a/drivers/usb/roles/class.c b/drivers/usb/roles/class.c
index dfaed7eee94f..32e6d19f7011 100644
--- a/drivers/usb/roles/class.c
+++ b/drivers/usb/roles/class.c
@@ -106,10 +106,13 @@ usb_role_switch_is_parent(struct fwnode_handle *fwnode)
struct fwnode_handle *parent = fwnode_get_parent(fwnode);
s... |
1d8025ec722d5e011f9299c46274eb21fb54a428 | Analyze and fix the following issue in the Linux kernel code: ALSA: hda/realtek: fix mute/micmute LEDs for a HP ProBook | Problem Details:
There is a HP ProBook which using ALC236 codec and need the
ALC236_FIXUP_HP_MUTE_LED_MICMUTE_VREF quirk to make mute LED and
micmute LED work.
Signed-off-by: Andy Chi <andy.chi@canonical.com>
Cc: <stable@vger.kernel.org>
Link: https://lore.kernel.org/r/20221128022849.13759-1-andy.chi@canonical.com
Sig... | ```diff
diff --git a/sound/pci/hda/patch_realtek.c b/sound/pci/hda/patch_realtek.c
index e5c036385666..cf7c825078dc 100644
--- a/sound/pci/hda/patch_realtek.c
+++ b/sound/pci/hda/patch_realtek.c
@@ -9354,6 +9354,8 @@ static const struct snd_pci_quirk alc269_fixup_tbl[] = {
SND_PCI_QUIRK(0x103c, 0x8abb, "HP ZBook Fir... |
a46315295489933209e902638cd287aeb5f982ab | Analyze and fix the following issue in the Linux kernel code: clk: mediatek: fix dependency of MT7986 ADC clocks | Problem Details:
It seems like CLK_INFRA_ADC_FRC_CK always need to be enabled for
CLK_INFRA_ADC_26M_CK to work. Instead of adding this dependency to the
mtk-thermal and mt6577_auxadc drivers, add dependency to the clock
driver clk-mt7986-infracfg.c.
Fixes: ec97d23c8e22 ("clk: mediatek: add mt7986 clock support")
Sugge... | ```diff
diff --git a/drivers/clk/mediatek/clk-mt7986-infracfg.c b/drivers/clk/mediatek/clk-mt7986-infracfg.c
index d90727a53283..49666047bf0e 100644
--- a/drivers/clk/mediatek/clk-mt7986-infracfg.c
+++ b/drivers/clk/mediatek/clk-mt7986-infracfg.c
@@ -153,7 +153,7 @@ static const struct mtk_gate infra_clks[] = {
... |
0f85715804e72cdcf489a89930ec64437e11ca8c | Analyze and fix the following issue in the Linux kernel code: drm/i915/mtl: Media GT and Render GT share common GGTT | Problem Details:
On XE_LPM+ platforms the media engines are carved out into a separate
GT but have a common GGTMMADR address range which essentially makes
the GGTT address space to be shared between media and render GT. As a
result any updates in GGTT shall invalidate TLB of GTs sharing it and
similarly any operation o... | ```diff
diff --git a/drivers/gpu/drm/i915/gt/intel_ggtt.c b/drivers/gpu/drm/i915/gt/intel_ggtt.c
index 8145851ad23d..7644738b9cdb 100644
--- a/drivers/gpu/drm/i915/gt/intel_ggtt.c
+++ b/drivers/gpu/drm/i915/gt/intel_ggtt.c
@@ -8,6 +8,7 @@
#include <linux/types.h>
#include <linux/stop_machine.h>
+#include <drm/drm_m... |
ca57f02295f188d6c65ec02202402979880fa6d8 | Analyze and fix the following issue in the Linux kernel code: afs: Fix fileserver probe RTT handling | Problem Details:
The fileserver probing code attempts to work out the best fileserver to
use for a volume by retrieving the RTT calculated by AF_RXRPC for the
probe call sent to each server and comparing them. Sometimes, however,
no RTT estimate is available and rxrpc_kernel_get_srtt() returns false,
leading good file... | ```diff
diff --git a/fs/afs/fs_probe.c b/fs/afs/fs_probe.c
index c0031a3ab42f..3ac5fcf98d0d 100644
--- a/fs/afs/fs_probe.c
+++ b/fs/afs/fs_probe.c
@@ -167,8 +167,8 @@ responded:
clear_bit(AFS_SERVER_FL_HAS_FS64, &server->flags);
}
- if (rxrpc_kernel_get_srtt(call->net->socket, call->rxcall, &rtt_us) &&
- rt... |
3692fec8bb476e8583e559ff5783a6adef306cf2 | Analyze and fix the following issue in the Linux kernel code: block: mq-deadline: Rename deadline_is_seq_writes() | Problem Details:
Rename deadline_is_seq_writes() to deadline_is_seq_write() (remove the
"s" plural) to more correctly reflect the fact that this function tests
a single request, not multiple requests.
Fixes: 015d02f48537 ("block: mq-deadline: Do not break sequential write streams to zoned HDDs")
Signed-off-by: Damien ... | ```diff
diff --git a/block/mq-deadline.c b/block/mq-deadline.c
index 6672f1bce379..f10c2a0d18d4 100644
--- a/block/mq-deadline.c
+++ b/block/mq-deadline.c
@@ -294,7 +294,7 @@ static inline int deadline_check_fifo(struct dd_per_prio *per_prio,
/*
* Check if rq has a sequential request preceding it.
*/
-static bool ... |
cdde1560118f82498fc9e9a7c1ef7f0ef7755891 | Analyze and fix the following issue in the Linux kernel code: net: mdiobus: fix unbalanced node reference count | Problem Details:
I got the following report while doing device(mscc-miim) load test
with CONFIG_OF_UNITTEST and CONFIG_OF_DYNAMIC enabled:
OF: ERROR: memory leak, expected refcount 1 instead of 2,
of_node_get()/of_node_put() unbalanced - destroy cset entry:
attach overlay node /spi/soc@0/mdio@7107009c/ethernet-p... | ```diff
diff --git a/drivers/net/mdio/fwnode_mdio.c b/drivers/net/mdio/fwnode_mdio.c
index 689e728345ce..eb344f6d4a7b 100644
--- a/drivers/net/mdio/fwnode_mdio.c
+++ b/drivers/net/mdio/fwnode_mdio.c
@@ -148,7 +148,7 @@ int fwnode_mdiobus_register_phy(struct mii_bus *bus,
/* Associate the fwnode with the device struc... |
7e177d32442b7ed08a9fa61b61724abc548cb248 | Analyze and fix the following issue in the Linux kernel code: net: hsr: Fix potential use-after-free | Problem Details:
The skb is delivered to netif_rx() which may free it, after calling this,
dereferencing skb may trigger use-after-free.
Fixes: f421436a591d ("net/hsr: Add support for the High-availability Seamless Redundancy protocol (HSRv0)")
Signed-off-by: YueHaibing <yuehaibing@huawei.com>
Link: https://lore.kerne... | ```diff
diff --git a/net/hsr/hsr_forward.c b/net/hsr/hsr_forward.c
index a50429a62f74..56bb27d67a2e 100644
--- a/net/hsr/hsr_forward.c
+++ b/net/hsr/hsr_forward.c
@@ -351,17 +351,18 @@ static void hsr_deliver_master(struct sk_buff *skb, struct net_device *dev,
struct hsr_node *node_src)
{
bool was_multica... |
3067bc61fcfe3081bf4807ce65560f499e895e77 | Analyze and fix the following issue in the Linux kernel code: tipc: re-fetch skb cb after tipc_msg_validate | Problem Details:
As the call trace shows, the original skb was freed in tipc_msg_validate(),
and dereferencing the old skb cb would cause an use-after-free crash.
BUG: KASAN: use-after-free in tipc_crypto_rcv_complete+0x1835/0x2240 [tipc]
Call Trace:
<IRQ>
tipc_crypto_rcv_complete+0x1835/0x2240 [tipc]
tip... | ```diff
diff --git a/net/tipc/crypto.c b/net/tipc/crypto.c
index f09316a9035f..d67440de011e 100644
--- a/net/tipc/crypto.c
+++ b/net/tipc/crypto.c
@@ -1971,6 +1971,9 @@ rcv:
/* Ok, everything's fine, try to synch own keys according to peers' */
tipc_crypto_key_synch(rx, *skb);
+ /* Re-fetch skb cb as skb might be... |
b4f166651d03b5484fa179817ba8ad4899a5a6ac | Analyze and fix the following issue in the Linux kernel code: mptcp: fix sleep in atomic at close time | Problem Details:
Matt reported a splat at msk close time:
BUG: sleeping function called from invalid context at net/mptcp/protocol.c:2877
in_atomic(): 1, irqs_disabled(): 0, non_block: 0, pid: 155, name: packetdrill
preempt_count: 201, expected: 0
RCU nest depth: 0, expected: 0
4 locks held by pack... | ```diff
diff --git a/net/mptcp/subflow.c b/net/mptcp/subflow.c
index 02a54d59697b..2159b5f9988f 100644
--- a/net/mptcp/subflow.c
+++ b/net/mptcp/subflow.c
@@ -1745,16 +1745,16 @@ void mptcp_subflow_queue_clean(struct sock *listener_ssk)
for (msk = head; msk; msk = next) {
struct sock *sk = (struct sock *)msk;
- ... |
fe94800184f22d4778628f1321dce5acb7513d84 | Analyze and fix the following issue in the Linux kernel code: mptcp: don't orphan ssk in mptcp_close() | Problem Details:
All of the subflows of a msk will be orphaned in mptcp_close(), which
means the subflows are in DEAD state. After then, DATA_FIN will be sent,
and the other side will response with a DATA_ACK for this DATA_FIN.
However, if the other side still has pending data, the data that received
on these subflows... | ```diff
diff --git a/net/mptcp/protocol.c b/net/mptcp/protocol.c
index b6dc6e260334..1dbc62537259 100644
--- a/net/mptcp/protocol.c
+++ b/net/mptcp/protocol.c
@@ -2354,12 +2354,7 @@ static void __mptcp_close_ssk(struct sock *sk, struct sock *ssk,
goto out;
}
- /* if we are invoked by the msk cleanup code, the su... |
39f59bca275d2d819a8788c0f962e9e89843efc9 | Analyze and fix the following issue in the Linux kernel code: dsa: lan9303: Correct stat name | Problem Details:
This patch changes the reported ethtool statistics for the lan9303
family of parts covered by this driver.
The TxUnderRun statistic label is renamed to RxShort to accurately
reflect what stat the device is reporting. I did not reorder the
statistics as that might cause problems with existing user cod... | ```diff
diff --git a/drivers/net/dsa/lan9303-core.c b/drivers/net/dsa/lan9303-core.c
index 438e46af03e9..80f07bd20593 100644
--- a/drivers/net/dsa/lan9303-core.c
+++ b/drivers/net/dsa/lan9303-core.c
@@ -961,7 +961,7 @@ static const struct lan9303_mib_desc lan9303_mib[] = {
{ .offset = LAN9303_MAC_TX_BRDCST_CNT_0, .na... |
254e3459285cbf2174350bbc0051e475e1bc5196 | Analyze and fix the following issue in the Linux kernel code: xfs: add debug knob to slow down write for fun | Problem Details:
Add a new error injection knob so that we can arbitrarily slow down
pagecache writes to test for race conditions and aberrant reclaim
behavior if the writeback mechanisms are slow to issue writeback. This
will enable functional testing for the ifork sequence counters
introduced in commit 304a68b9c63b ... | ```diff
diff --git a/fs/xfs/libxfs/xfs_errortag.h b/fs/xfs/libxfs/xfs_errortag.h
index f5f629174eca..01a9e86b3037 100644
--- a/fs/xfs/libxfs/xfs_errortag.h
+++ b/fs/xfs/libxfs/xfs_errortag.h
@@ -62,7 +62,8 @@
#define XFS_ERRTAG_DA_LEAF_SPLIT 40
#define XFS_ERRTAG_ATTR_LEAF_TO_NODE 41
#define XFS_ERRTAG_WB_DELAY_... |
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