id stringlengths 40 40 | instruction stringlengths 68 308 | input stringlengths 17 33.4k | output stringlengths 100 30k |
|---|---|---|---|
f7697ecf6eab9d4887dd731038b3dc405c7e755e | Analyze and fix the following issue in the Linux kernel code: ASoC: amd: ps: fix wrong ACP version string in pci_request_regions() | Problem Details:
The driver handles ACP6.3/7.0/7.1/7.2 platforms but the region was
claimed with the stale name "AMD ACP6.2 audio" left over from the
original ACP6.2 driver. Correct it to "AMD ACP6.3 audio".
Fixes: 95e43a170bb1 ("ASoC: amd: add Pink Sardine ACP PCI driver")
Signed-off-by: Vijendar Mukunda <Vijendar.Mu... | ```diff
diff --git a/sound/soc/amd/ps/pci-ps.c b/sound/soc/amd/ps/pci-ps.c
index 635832da45f9..1162d13d8505 100644
--- a/sound/soc/amd/ps/pci-ps.c
+++ b/sound/soc/amd/ps/pci-ps.c
@@ -602,7 +602,7 @@ static int snd_acp63_probe(struct pci_dev *pci,
return -ENODEV;
}
- ret = pci_request_regions(pci, "AMD ACP6.2 aud... |
5893013efabb056399a01e267f410cf76eba25eb | Analyze and fix the following issue in the Linux kernel code: ASoC: amd: ps: disable MSI on resume in ACP PCI driver | Problem Details:
BIOS/firmware may re-enable MSI in PCI config space during system
level resume even though this driver only uses legacy INTx interrupts.
If MSI is left enabled with stale address/data registers, the device
will write interrupts to a bogus address causing IOMMU IO_PAGE_FAULT
and interrupt delivery failu... | ```diff
diff --git a/sound/soc/amd/ps/pci-ps.c b/sound/soc/amd/ps/pci-ps.c
index 4ecda224157b..635832da45f9 100644
--- a/sound/soc/amd/ps/pci-ps.c
+++ b/sound/soc/amd/ps/pci-ps.c
@@ -693,8 +693,37 @@ static int snd_acp_runtime_resume(struct device *dev)
return acp_hw_runtime_resume(dev);
}
+static void acp_disable... |
97fef602584458b100d383afed9d176c0bc689ab | Analyze and fix the following issue in the Linux kernel code: Docs/admin-guide/cgroup-v2: note blkcg_debug_stats gates io.latency stats | Problem Details:
The io.stat section says that enabling the io.latency controller exposes
the depth, avg_lat and win stats in addition to the normal ones. However,
these io.latency-specific stats are debug stats and are only emitted when
the blkcg_debug_stats module parameter is enabled, which is disabled by
default.
... | ```diff
diff --git a/Documentation/admin-guide/cgroup-v2.rst b/Documentation/admin-guide/cgroup-v2.rst
index 7ce60fefc7ad..14b8c571c0d1 100644
--- a/Documentation/admin-guide/cgroup-v2.rst
+++ b/Documentation/admin-guide/cgroup-v2.rst
@@ -2257,10 +2257,11 @@ groups D and F will influence each other. Group G will influ... |
030db7005efe6a0705ddf07fced494c364a1c915 | Analyze and fix the following issue in the Linux kernel code: sched_ext: Documentation: Fix ops table header reference | Problem Details:
The "Where to Look" and "ABI Instability" sections state that the ops
table is defined in include/linux/sched/ext.h. However, struct
sched_ext_ops is actually defined in kernel/sched/ext/internal.h, along
with the SCX_OPS_* flags; include/linux/sched/ext.h holds the core data
structures (struct sched_e... | ```diff
diff --git a/Documentation/scheduler/sched-ext.rst b/Documentation/scheduler/sched-ext.rst
index 4b1ffd03f516..2771ea4cc14a 100644
--- a/Documentation/scheduler/sched-ext.rst
+++ b/Documentation/scheduler/sched-ext.rst
@@ -493,8 +493,9 @@ a freshly woken up task gets on a CPU.
Where to Look
=============
-*... |
6b59c53c8adc2b522327407af5e1793a65b67e4b | Analyze and fix the following issue in the Linux kernel code: ASoC: meson: aiu: fifo-spdif: soft reset the S/PDIF datapath on start/stop | Problem Details:
The I2S FIFO soft-resets its fast domain on start (AIU_RST_SOFT bit 0 +
AIU_I2S_SYNC read in aiu_fifo_i2s_trigger), mirroring the downstream
vendor driver's audio_out_i2s_enable(). The S/PDIF FIFO has no equivalent:
it only toggles the IEC958 DCU, so a stale datapath FIFO can be replayed,
producing the... | ```diff
diff --git a/sound/soc/meson/aiu-fifo-spdif.c b/sound/soc/meson/aiu-fifo-spdif.c
index e0e00ec026dc..a9861c5d6637 100644
--- a/sound/soc/meson/aiu-fifo-spdif.c
+++ b/sound/soc/meson/aiu-fifo-spdif.c
@@ -24,6 +24,7 @@
#define AIU_MEM_IEC958_CONTROL_MODE_16BIT BIT(7)
#define AIU_MEM_IEC958_CONTROL_MODE_LINEAR B... |
2f8b8593c7832fad655290cef9e99af05b1b52b3 | Analyze and fix the following issue in the Linux kernel code: drm/v3d: Reject invalid indirect BO handle in indirect CSD setup | Problem Details:
v3d_get_cpu_indirect_csd_params() looks up the indirect buffer object
from a userspace-supplied handle but never checks the result. A bogus
or stale handle makes drm_gem_object_lookup() return NULL, which is
then stored in info->indirect and only dereferenced later when the
indirect CSD job runs, turni... | ```diff
diff --git a/drivers/gpu/drm/v3d/v3d_submit.c b/drivers/gpu/drm/v3d/v3d_submit.c
index 1db43c6a078d..7682b24f13ec 100644
--- a/drivers/gpu/drm/v3d/v3d_submit.c
+++ b/drivers/gpu/drm/v3d/v3d_submit.c
@@ -495,6 +495,8 @@ v3d_get_cpu_indirect_csd_params(struct drm_file *file_priv,
sizeof(indirect_csd.wg_u... |
50fd6dd755c6e48a38af2fa4621167eea56829c2 | Analyze and fix the following issue in the Linux kernel code: tracing/user_events: Fix use-after-free in user_event_mm_dup() | Problem Details:
user_event_mm_dup() walks the parent mm's enabler list locklessly under
rcu_read_lock() during fork() (from copy_process()); it does not take
event_mutex:
rcu_read_lock();
list_for_each_entry_rcu(enabler, &old_mm->enablers, mm_enablers_link)
enabler->event = user_event_get(orig->event);
user_even... | ```diff
diff --git a/kernel/trace/trace_events_user.c b/kernel/trace/trace_events_user.c
index c4ba484f7b38..8c82ecb735f4 100644
--- a/kernel/trace/trace_events_user.c
+++ b/kernel/trace/trace_events_user.c
@@ -109,6 +109,9 @@ struct user_event_enabler {
/* Track enable bit, flags, etc. Aligned for bitops. */
uns... |
2726b5758f80a546a4ddeec5019e72035a7fa166 | Analyze and fix the following issue in the Linux kernel code: platform/x86: amd-pmc: Use correct IP block table for AMD 1Ah M80H SoC | Problem Details:
PMFW reports the S0i3 subsystem accounting per SoC, and the set of IP
blocks and their bit ordering differ across SoC generations. Family
1Ah, Model 80h accounts for a distinct set of 19 IP blocks, which does
not match the ordering in soc15_ip_blk[].
Commit 043af31c8d30 ("platform/x86/amd/pmc: Add PMC... | ```diff
diff --git a/drivers/platform/x86/amd/pmc/pmc.c b/drivers/platform/x86/amd/pmc/pmc.c
index 347c3f6c5ae7..a37083cdb908 100644
--- a/drivers/platform/x86/amd/pmc/pmc.c
+++ b/drivers/platform/x86/amd/pmc/pmc.c
@@ -33,6 +33,28 @@
#include "pmc.h"
+static const struct amd_pmc_bit_map soc15_ip_blk_v3[] = {
+ {"V... |
cdadb298b182d4615521380a520eb2c7cb762843 | Analyze and fix the following issue in the Linux kernel code: platform/x86: asus-armoury: update power limits for G614PR | Problem Details:
The previously integrated power limits for the ASUS ROG Strix G16 G614PR
laptop model were incorrect and too low compared to the windows counterparts.
Update the power limits to the correct specifications based on the
platform's hardware capabilities:
- Increase AC PL1/SPL max limit from 90W to 120W.
... | ```diff
diff --git a/drivers/platform/x86/asus-armoury.h b/drivers/platform/x86/asus-armoury.h
index 65166b50a2c3..322bfa647c2d 100644
--- a/drivers/platform/x86/asus-armoury.h
+++ b/drivers/platform/x86/asus-armoury.h
@@ -1997,13 +1997,13 @@ static const struct dmi_system_id power_limits[] = {
.driver_data = &(stru... |
928caf71e566ddc5f303f15fb9c33f16a9915f30 | Analyze and fix the following issue in the Linux kernel code: accel/amdxdna: Fix hardware context race in amdxdna_update_heap() | Problem Details:
amdxdna_update_heap() iterates over hardware contexts while holding
xdna->dev_lock. During the iteration, amdxdna_pm_resume_get_locked() may
temporarily release and reacquire the lock, allowing hardware contexts to
be modified concurrently.
Fix the race by calling amdxdna_pm_resume_get_locked() before... | ```diff
diff --git a/drivers/accel/amdxdna/aie2_ctx.c b/drivers/accel/amdxdna/aie2_ctx.c
index 30ccb8d5e23d..101f324ee178 100644
--- a/drivers/accel/amdxdna/aie2_ctx.c
+++ b/drivers/accel/amdxdna/aie2_ctx.c
@@ -1222,10 +1222,6 @@ int aie2_hwctx_heap_expand(struct amdxdna_hwctx *hwctx,
u64 addr;
int ret;
- ret = a... |
c8d2530791cb53602ac06ec2db6287d99f51cdbc | Analyze and fix the following issue in the Linux kernel code: accel/amdxdna: Fix deadlock on debug BO command timeout | Problem Details:
Both amdxdna_hwctx_sync_debug_bo() and amdxdna_drm_config_hwctx_ioctl()
hold xdna->dev_lock while invoking backend operations. If the hardware
hangs, aie2_cmd_wait() blocks waiting for a firmware response. When the
DRM scheduler timeout expires, aie2_sched_job_timedout() is invoked to
reset the hardwar... | ```diff
diff --git a/drivers/accel/amdxdna/aie2_ctx.c b/drivers/accel/amdxdna/aie2_ctx.c
index 7bf635634e64..30ccb8d5e23d 100644
--- a/drivers/accel/amdxdna/aie2_ctx.c
+++ b/drivers/accel/amdxdna/aie2_ctx.c
@@ -900,13 +900,16 @@ free_cus:
static void aie2_cmd_wait(struct amdxdna_hwctx *hwctx, u64 seq)
{
struct dma_... |
66ff5c0eee02c4be67f8ba7fb6c63709ef1c92a3 | Analyze and fix the following issue in the Linux kernel code: accel/amdxdna: fix open_ref leak and stale client pointer on dma map failure | Problem Details:
amdxdna_gem_obj_open() increments open_ref before attempting to set up
the DMA address mapping. When amdxdna_dma_map_bo() fails, the function
returned immediately without rolling back either change made on the first
open (open_ref == 1 path).
Fix it by decrementing open_ref and clearing abo->client o... | ```diff
diff --git a/drivers/accel/amdxdna/amdxdna_gem.c b/drivers/accel/amdxdna/amdxdna_gem.c
index 0c10ec0cc5e4..1275f91ca705 100644
--- a/drivers/accel/amdxdna/amdxdna_gem.c
+++ b/drivers/accel/amdxdna/amdxdna_gem.c
@@ -664,8 +664,11 @@ static int amdxdna_gem_obj_open(struct drm_gem_object *gobj, struct drm_file *fi... |
14f172eff9c19f8043a9858845f33cd034f3a41e | Analyze and fix the following issue in the Linux kernel code: accel/amdxdna: Fix potential amdxdna_umap lifetime race | Problem Details:
amdxdna_umap_release() calls the blocking mmu_interval_notifier_remove()
before removing the object from abo->mem.umap_list. If
aie2_populate_range() runs concurrently, it may obtain a reference to an
amdxdna_umap that is being released, leading to a potential use-after-free.
Use kref_get_unless_zero(... | ```diff
diff --git a/drivers/accel/amdxdna/aie2_ctx.c b/drivers/accel/amdxdna/aie2_ctx.c
index 408ff7e2a272..7bf635634e64 100644
--- a/drivers/accel/amdxdna/aie2_ctx.c
+++ b/drivers/accel/amdxdna/aie2_ctx.c
@@ -1039,7 +1039,7 @@ again:
found = false;
down_write(&xdna->notifier_lock);
list_for_each_entry(mapp, &ab... |
8d187d4b33c262c0f3e44842553521151d8629e8 | Analyze and fix the following issue in the Linux kernel code: KVM: arm64: Fix propagation of TLBI level in kvm_pgtable_stage2_relax_perms() | Problem Details:
Assigning the invalidation level (an s8 value) with TLBI_TTL_UNKNOWN
(a 32bit signed value) is not ideal, to say the least. Instead of
this, only pass TLBI_TTL_UNKNOWN to __kvm_tlb_flush_vmid_ipa_nsh()
when we know for sure that we don't have a provided level.
Fixes: 100baf0184896 ("KVM: arm64: Ensure... | ```diff
diff --git a/arch/arm64/kvm/hyp/pgtable.c b/arch/arm64/kvm/hyp/pgtable.c
index 8754c99c22f2..70dceb20dfad 100644
--- a/arch/arm64/kvm/hyp/pgtable.c
+++ b/arch/arm64/kvm/hyp/pgtable.c
@@ -1356,7 +1356,7 @@ int kvm_pgtable_stage2_relax_perms(struct kvm_pgtable *pgt, u64 addr,
enum kvm_pgtable_prot prot, e... |
4c2509f3b79756679a02bea649c6a7501b58f52c | Analyze and fix the following issue in the Linux kernel code: x86/virt/sev: Revert "Drop WBINVD before setting MSR_AMD64_SYSCFG_SNP_EN" | Problem Details:
Revert
99cf1fb58e68 ("x86/virt/sev: Drop WBINVD before setting MSR_AMD64_SYSCFG_SNP_EN").
Section 8.8 of the SNP spec says:
Before invoking SNP_INIT_EX with INIT_RMP set to 1, software must ensure
that no CPUs contain dirty cache lines for the memory containing the RMP.
Cachelines can be move... | ```diff
diff --git a/arch/x86/virt/svm/sev.c b/arch/x86/virt/svm/sev.c
index 8bcdce98f6dc..cff285d8ad8e 100644
--- a/arch/x86/virt/svm/sev.c
+++ b/arch/x86/virt/svm/sev.c
@@ -536,6 +536,8 @@ int snp_prepare(void)
goto unlock;
}
+ wbinvd_on_all_cpus();
+
/*
* MtrrFixDramModEn is not shared between threads on... |
22dd2777e6c180e1c945b00f6d18550979436324 | Analyze and fix the following issue in the Linux kernel code: serial: msm: Disable DMA for kernel console UART | Problem Details:
At the moment, concurrent writes from userspace and the kernel to the
console can trigger a race condition that results in an infinite loop of
the same messages printed over and over again. This is most likely to
happen during system startup or shutdown when the init system starts/stops
a large number ... | ```diff
diff --git a/drivers/tty/serial/msm_serial.c b/drivers/tty/serial/msm_serial.c
index 2e999cb9c974..bfa44b01c3e9 100644
--- a/drivers/tty/serial/msm_serial.c
+++ b/drivers/tty/serial/msm_serial.c
@@ -1228,7 +1228,8 @@ static int msm_startup(struct uart_port *port)
data |= MSM_UART_MR1_AUTO_RFR_LEVEL0 & rfr_lev... |
a483b1a91b33b7533280e7c3efd2bc1275caef18 | Analyze and fix the following issue in the Linux kernel code: serial: max310x: implement gpio_chip::get_direction() | Problem Details:
It's strongly recommended for GPIO drivers to always implement the
.get_direction() callback - even when the direction is tracked in
software. The GPIO core emits a warning when the callback is missing
and a user reads the direction of a line, e.g. via
/sys/kernel/debug/gpio.
The MAX310X keeps the GPI... | ```diff
diff --git a/drivers/tty/serial/max310x.c b/drivers/tty/serial/max310x.c
index e28e3065c99d..92af02a39c7a 100644
--- a/drivers/tty/serial/max310x.c
+++ b/drivers/tty/serial/max310x.c
@@ -1244,6 +1244,17 @@ static int max310x_gpio_set(struct gpio_chip *chip, unsigned int offset,
return 0;
}
+static int max3... |
596b3678326d3d1aed7c19423b6746f1ce09688a | Analyze and fix the following issue in the Linux kernel code: x86/video: Only fall back to vga_default_device() without screen info | Problem Details:
Some multi GPU systems may have a VGA compatible device, but that might not be
used for display. If due to enumeration order this device is found before the
one actually used for display then multiple devices may show the boot_display
attribute, confusing userspace.
When screen info is valid, use it ... | ```diff
diff --git a/arch/x86/video/video-common.c b/arch/x86/video/video-common.c
index 152789f00fcd..8ed82fff7638 100644
--- a/arch/x86/video/video-common.c
+++ b/arch/x86/video/video-common.c
@@ -43,21 +43,26 @@ bool video_is_primary_device(struct device *dev)
if (!pci_is_display(pdev))
return false;
- if (pd... |
1e67bb60bb03518d3bdd59a48c65d69e6d773bb8 | Analyze and fix the following issue in the Linux kernel code: tracing: Add a no-rcu-check version of trace_##event##_enabled() | Problem Details:
Tracepoints require that RCU is watching. To prevent them from being used
in places that RCU is not watching, the trace_##event() macro always
calls rcu_is_watching() even when the event is not enabled and warns if
RCU is not watching. This is to make sure a warning is triggered even if
the tracepoint ... | ```diff
diff --git a/include/linux/tracepoint.h b/include/linux/tracepoint.h
index 4a0c36f40fe2..e0d838c9ce93 100644
--- a/include/linux/tracepoint.h
+++ b/include/linux/tracepoint.h
@@ -292,13 +292,18 @@ static inline struct tracepoint *tracepoint_ptr_deref(tracepoint_ptr_t *p)
{ \
} \
static inlin... |
0a6070839b1ef276d5b05bedfb787743e140fb17 | Analyze and fix the following issue in the Linux kernel code: tracing: Prevent out-of-bounds read in glob matching | Problem Details:
String event fields are not necessarily NUL-terminated, so the filter
predicate functions (filter_pred_string(), filter_pred_strloc() and
filter_pred_strrelloc()) pass the field length to the regex match
callbacks, and the length-aware matchers honour it.
regex_match_glob() was the exception: it ignor... | ```diff
diff --git a/include/linux/glob.h b/include/linux/glob.h
index 861327b33e41..91595e750936 100644
--- a/include/linux/glob.h
+++ b/include/linux/glob.h
@@ -6,5 +6,6 @@
#include <linux/compiler.h> /* For __pure */
bool __pure glob_match(char const *pat, char const *str);
+bool __pure glob_match_len(char const... |
535fcf4b8a261fbb8cc4f91e4597343c135a90f2 | Analyze and fix the following issue in the Linux kernel code: ufs: core: tracing: Do not dereference pointers in TP_printk() | Problem Details:
The trace events in drivers/ufs/core/ufs_trace.h were converted to take a
pointer to the hba structure as an argument for the tracepoint and then in
TP_printk() the printing of the dev_name from the ring buffer was
converted to using the dev dereferenced pointer from the hba saved
pointer.
This is not... | ```diff
diff --git a/drivers/ufs/core/ufs_trace.h b/drivers/ufs/core/ufs_trace.h
index 309ae51b4906..377a3c54b9f5 100644
--- a/drivers/ufs/core/ufs_trace.h
+++ b/drivers/ufs/core/ufs_trace.h
@@ -89,16 +89,18 @@ TRACE_EVENT(ufshcd_clk_gating,
TP_STRUCT__entry(
__field(struct ufs_hba *, hba)
+ __string(dev_name, ... |
c3e94604675e3db186111b8942650d86577df9b0 | Analyze and fix the following issue in the Linux kernel code: tracing: Fix NULL pointer dereference in func_set_flag() | Problem Details:
func_set_flag() dereferences tr->current_trace_flags before verifying
that the current tracer is actually the function tracer. When the active
tracer has been switched away from "function" (e.g., to "wakeup_rt"),
tr->current_trace_flags can be NULL, leading to a NULL pointer
dereference and kernel cras... | ```diff
diff --git a/kernel/trace/trace_functions.c b/kernel/trace/trace_functions.c
index f283391a4dc8..cd37f2013758 100644
--- a/kernel/trace/trace_functions.c
+++ b/kernel/trace/trace_functions.c
@@ -458,12 +458,12 @@ func_set_flag(struct trace_array *tr, u32 old_flags, u32 bit, int set)
ftrace_func_t func;
u32 ... |
e5d8524108fef14970db85451b7d06e5f6fa51ce | Analyze and fix the following issue in the Linux kernel code: samples: ftrace: Fix typos in benchmark comment | Problem Details:
Fix two typos in the ftrace operations sample benchmark comment.
Link: https://patch.msgid.link/20260621095153.93762-1-pyudistira519@gmail.com
Signed-off-by: Yudistira Putra <pyudistira519@gmail.com>
Signed-off-by: Steven Rostedt <rostedt@goodmis.org> | ```diff
diff --git a/samples/ftrace/ftrace-ops.c b/samples/ftrace/ftrace-ops.c
index 68d6685c80bd..152ffc1a30b6 100644
--- a/samples/ftrace/ftrace-ops.c
+++ b/samples/ftrace/ftrace-ops.c
@@ -232,8 +232,8 @@ static int __init ftrace_ops_sample_init(void)
ops_destroy(ops_irrelevant, nr_ops_irrelevant);
/*
- * The ... |
d5c6785f94ead7cd76b38af301ac63cb673485bc | Analyze and fix the following issue in the Linux kernel code: tracing: Make tracepoint_printk static as not exported | Problem Details:
The tracepoint_printk symbol is not exported, so make it
static to remove the following sparse warning:
kernel/trace/trace.c:90:5: warning: symbol 'tracepoint_printk' was not declared. Should it be static?
Fixes: dd293df6395a2 ("tracing: Move trace sysctls into trace.c")
Link: https://patch.msgid.lin... | ```diff
diff --git a/kernel/trace/trace.c b/kernel/trace/trace.c
index 299f5ab630b9..18710c190c92 100644
--- a/kernel/trace/trace.c
+++ b/kernel/trace/trace.c
@@ -87,7 +87,7 @@ void __init disable_tracing_selftest(const char *reason)
/* Pipe tracepoints to printk */
static struct trace_iterator *tracepoint_print_it... |
f67be28fdf8b5d31ac1cc1152bb17250f9f8f513 | Analyze and fix the following issue in the Linux kernel code: ALSA: hda: Fix cached processing coefficient verbs | Problem Details:
Intel HD Audio defines Coefficient Index and Processing Coefficient as
separate audio widget controls in the Audio Widget Verb Definitions:
Coefficient Index selects the coefficient slot, while Processing
Coefficient accesses the value at the selected slot.
hda_reg_read_coef() selects the slot with AC... | ```diff
diff --git a/sound/hda/core/regmap.c b/sound/hda/core/regmap.c
index e7b866fc52c1..d6eb17aa9e08 100644
--- a/sound/hda/core/regmap.c
+++ b/sound/hda/core/regmap.c
@@ -214,7 +214,7 @@ static int hda_reg_read_coef(struct hdac_device *codec, unsigned int reg,
err = snd_hdac_exec_verb(codec, verb, 0, NULL);
if ... |
af05b4e06279bbe34f8044b1e82f0725b5da91b7 | Analyze and fix the following issue in the Linux kernel code: ring-buffer: Fix ring_buffer_read_page() copying only one event per page | Problem Details:
Commit 8928e4a3be34 ("ring-buffer: Show persistent buffer dropped events
in trace_pipe file") split the "commit" variable in
ring_buffer_read_page() into "commit" (raw) and "size" (masked page
size), but the inner copy loop's terminator was changed to compare rpos
against "event_size" instead of "size"... | ```diff
diff --git a/kernel/trace/ring_buffer.c b/kernel/trace/ring_buffer.c
index d9af2bbaf9c0..12a83d9ffd0a 100644
--- a/kernel/trace/ring_buffer.c
+++ b/kernel/trace/ring_buffer.c
@@ -7175,7 +7175,7 @@ int ring_buffer_read_page(struct trace_buffer *buffer,
rpos = reader->read;
pos += event_size;
- if (rp... |
883d0cae6d5f840629c5bcacf029c6aa9a9106f4 | Analyze and fix the following issue in the Linux kernel code: ALSA: hda/realtek: Fix headset mic on ASUS ROG Ally X | Problem Details:
The ASUS ROG Ally X (RC72LA, PCI SSID 0x1043:0x1eb3) leaves the combo
jack microphone pin (0x19) unconfigured, so a headset microphone is
neither detected nor captured. Only the internal microphone is
available.
Add a pin override that configures node 0x19 as an external headset
mic, the same way the ... | ```diff
diff --git a/sound/hda/codecs/realtek/alc269.c b/sound/hda/codecs/realtek/alc269.c
index 8d409ccacad4..984868e3d8bb 100644
--- a/sound/hda/codecs/realtek/alc269.c
+++ b/sound/hda/codecs/realtek/alc269.c
@@ -4118,6 +4118,7 @@ enum {
ALC287_FIXUP_CS35L41_I2C_2_THINKPAD_ACPI,
ALC287_FIXUP_TAS2781_I2C,
ALC287... |
335f7860846732477a9ce24f0db04dd253ba268c | Analyze and fix the following issue in the Linux kernel code: ALSA: hda/realtek: Fix headphone output on ASUS ROG Ally X | Problem Details:
The ASUS ROG Ally X (RC72LA, PCI SSID 0x1043:0x1eb3) with an ALC294
codec produces no sound from the headphone jack, and unplugging the
headphones can leave the speakers muted too.
The device uses ALC287_FIXUP_TAS2781_I2C, which chains into the
ThinkPad fixup chain. alc285_fixup_thinkpad_x1_gen7() mak... | ```diff
diff --git a/sound/hda/codecs/realtek/alc269.c b/sound/hda/codecs/realtek/alc269.c
index b6b502450a95..8d409ccacad4 100644
--- a/sound/hda/codecs/realtek/alc269.c
+++ b/sound/hda/codecs/realtek/alc269.c
@@ -4117,6 +4117,8 @@ enum {
ALC236_FIXUP_DELL_DUAL_CODECS,
ALC287_FIXUP_CS35L41_I2C_2_THINKPAD_ACPI,
A... |
b4d961351aa84fdf0148783fb1f3a1391b8a0adb | Analyze and fix the following issue in the Linux kernel code: firmware: arm_ffa: Fix Endpoint Memory Access Descriptor offset calculation | Problem Details:
Use the descriptor's `ep_mem_offset` to calculate the start of the endpoint
memory access array and to comply with the FF-A spec instead of defaulting
to `sizeof(struct ffa_mem_region)`.
This requires moving `ffa_mem_region_additional_setup()` earlier in the setup
flow.
Also, add sanity checks to ensur... | ```diff
diff --git a/drivers/firmware/arm_ffa/driver.c b/drivers/firmware/arm_ffa/driver.c
index b700b2e93e72..0ad323decada 100644
--- a/drivers/firmware/arm_ffa/driver.c
+++ b/drivers/firmware/arm_ffa/driver.c
@@ -685,19 +685,30 @@ ffa_setup_and_transmit(u32 func_id, void *buffer, u32 max_fragsize,
struct ffa_compos... |
3383ffb7ef937317361713ffcc21921a7848511a | Analyze and fix the following issue in the Linux kernel code: firmware: arm_ffa: Fix out-of-bound writes in ffa_setup_and_transmit() | Problem Details:
Sashiko (locally) reports multiple out-of-bound issues in
ffa_setup_and_transmit:
1) Writing ep_mem_access->reserved can write out of bounds for FFA
versions < 1.2 as ffa_emad_size_get() returns 16 bytes in that case
while reserved has an offset of 24.
Instead of zeroing fields, memset the str... | ```diff
diff --git a/drivers/firmware/arm_ffa/driver.c b/drivers/firmware/arm_ffa/driver.c
index eb2782848283..b700b2e93e72 100644
--- a/drivers/firmware/arm_ffa/driver.c
+++ b/drivers/firmware/arm_ffa/driver.c
@@ -697,11 +697,10 @@ ffa_setup_and_transmit(u32 func_id, void *buffer, u32 max_fragsize,
for (idx = 0; idx... |
4d6941c0a8fd44bcc9693a1c8201a1d26dd21bc8 | Analyze and fix the following issue in the Linux kernel code: rtla: Fix missing unistd include | Problem Details:
Compiling RTLA 7.1.x with GCC 16 and uClibc as standard library fails
with these errors:
src/common.c: In function ‘set_signals’:
src/common.c:40:17: error: implicit declaration of function ‘alarm’ [-Wimplicit-function-declaration]
40 | alarm(params->duration);
| ... | ```diff
diff --git a/tools/tracing/rtla/src/common.c b/tools/tracing/rtla/src/common.c
index d0a8a6edbf0c..8c7f5e75b2ec 100644
--- a/tools/tracing/rtla/src/common.c
+++ b/tools/tracing/rtla/src/common.c
@@ -5,6 +5,7 @@
#include <signal.h>
#include <stdlib.h>
#include <string.h>
+#include <unistd.h>
#include <sys/sy... |
ac7c6b4308c5e757eb278d47b9c0761c31ac9d6b | Analyze and fix the following issue in the Linux kernel code: drm: Guard DRM_CLIENT_CAP_PLANE_COLOR_PIPELINE | Problem Details:
The client cap is currently advertised unconditionally, even for drivers
that do not support plane color pipelines. If clients supporting the latter,
like Wayland compositors or tools like drm_info, enable the client cap on
such drivers they will be left without both color pipeline and the legacy
prope... | ```diff
diff --git a/drivers/gpu/drm/drm_ioctl.c b/drivers/gpu/drm/drm_ioctl.c
index e2df4becce62..9039a39c4324 100644
--- a/drivers/gpu/drm/drm_ioctl.c
+++ b/drivers/gpu/drm/drm_ioctl.c
@@ -373,13 +373,25 @@ drm_setclientcap(struct drm_device *dev, void *data, struct drm_file *file_priv)
return -EINVAL;
file_pr... |
aaf7766ba3b99a3834319e7cf939838afc705574 | Analyze and fix the following issue in the Linux kernel code: gpio: dwapb: Mask interrupts at hardware initialization | Problem Details:
GPIO interrupts may retain stale state across warm reboots when
peripherals remain powered. If a GPIO line is not explicitly
configured for interrupts, this can result in interrupt storms
due to missing handlers.
Fix this by ensuring all interrupts are masked and disabled at
hardware initialization ti... | ```diff
diff --git a/drivers/gpio/gpio-dwapb.c b/drivers/gpio/gpio-dwapb.c
index 21e39fb940fe..aa7c08e60707 100644
--- a/drivers/gpio/gpio-dwapb.c
+++ b/drivers/gpio/gpio-dwapb.c
@@ -200,6 +200,22 @@ static void dwapb_toggle_trigger(struct dwapb_gpio *gpio, unsigned int offs)
dwapb_write(gpio, GPIO_INT_POLARITY, pol)... |
d775b9451eb8f52021dea6483ad758fef81dbf1e | Analyze and fix the following issue in the Linux kernel code: gpio: dwapb: Defer clock gating until noirq | Problem Details:
GPIO consumers such as gpio-keys can enable IRQ wake and adjust the wake
trigger type from their suspend callbacks. If the DWAPB controller suspends
first, masking interrupts and disabling its clocks in the normal suspend
phase prevents that late wake configuration from reliably reaching the
hardware. ... | ```diff
diff --git a/drivers/gpio/gpio-dwapb.c b/drivers/gpio/gpio-dwapb.c
index 7b92b233fafe..21e39fb940fe 100644
--- a/drivers/gpio/gpio-dwapb.c
+++ b/drivers/gpio/gpio-dwapb.c
@@ -117,6 +117,7 @@ struct dwapb_gpio {
unsigned int flags;
struct reset_control *rst;
struct clk_bulk_data clks[DWAPB_NR_CLOCKS];
+ b... |
4e28aa8f7ee26d67a4addee6e3980f1cbf861b49 | Analyze and fix the following issue in the Linux kernel code: drm/drm_exec: avoid indirect goto | Problem Details:
The drm_exec component uses a variable with scope limited to the for() and
an indirect goto to allow instantiating multiple macros in the same
function.
This unfortunately doesn't work well with certain compilers when the
indirect goto can't be lowered to a direct jump.
Switch the indirect goto to a ... | ```diff
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c
index fee4c94c2585..fc28d0fdad37 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c
@@ -3011,6 +3011,8 @@ bool amdgpu_vm_handle_fault(struct amdgpu_device *adev, u32 pasid,
... |
cb8afea4655ff004fa7feee825d5c79783525383 | Analyze and fix the following issue in the Linux kernel code: wifi: cfg80211: bound element ID read when checking non-inheritance | Problem Details:
cfg80211_is_element_inherited() reads the first data octet of the
candidate element (id = elem->data[0]) to look it up in an extension
non-inheritance list. It does so after testing elem->id, but without
verifying that the element actually has a data octet. A zero-length
extension element (WLAN_EID_EXT... | ```diff
diff --git a/net/wireless/scan.c b/net/wireless/scan.c
index 5c97b5bd5d69..071083cc3367 100644
--- a/net/wireless/scan.c
+++ b/net/wireless/scan.c
@@ -205,7 +205,7 @@ bool cfg80211_is_element_inherited(const struct element *elem,
return true;
if (elem->id == WLAN_EID_EXTENSION) {
- if (!ext_id_len)
+ i... |
1463ca3ec6601cbb097d8d87dbf5dcf1cb86a344 | Analyze and fix the following issue in the Linux kernel code: staging: rtl8723bs: fix OOB reads in rtw_get_sec_ie(), rtw_get_wapi_ie(), and rtw_get_wps_attr() | Problem Details:
Three IE/attribute parsing functions have missing bounds checks.
rtw_get_sec_ie() and rtw_get_wapi_ie() iterate over a raw IE buffer
without verifying that the header bytes (tag + length) are within the
remaining buffer before reading them. Additionally, rtw_get_sec_ie()
compares the 4-byte WPA OUI a... | ```diff
diff --git a/drivers/staging/rtl8723bs/core/rtw_ieee80211.c b/drivers/staging/rtl8723bs/core/rtw_ieee80211.c
index d0bbe1bb979c..54f805a6b5ce 100644
--- a/drivers/staging/rtl8723bs/core/rtw_ieee80211.c
+++ b/drivers/staging/rtl8723bs/core/rtw_ieee80211.c
@@ -583,9 +583,14 @@ int rtw_get_wapi_ie(u8 *in_ie, uint ... |
3bf39f711ff27c64be8680a8938bcc5001982e81 | Analyze and fix the following issue in the Linux kernel code: staging: rtl8723bs: fix OOB reads in is_ap_in_tkip() IE loop | Problem Details:
The loop in is_ap_in_tkip() iterates over IEs without verifying that
enough bytes remain before dereferencing the IE header or its payload:
- pIE->element_id and pIE->length are read without checking that
i + sizeof(*pIE) <= ie_length, so a truncated IE at the end of the
buffer causes an OOB read.... | ```diff
diff --git a/drivers/staging/rtl8723bs/core/rtw_wlan_util.c b/drivers/staging/rtl8723bs/core/rtw_wlan_util.c
index 4c0eb93f412e..a4de538722b5 100644
--- a/drivers/staging/rtl8723bs/core/rtw_wlan_util.c
+++ b/drivers/staging/rtl8723bs/core/rtw_wlan_util.c
@@ -1308,15 +1308,23 @@ unsigned int is_ap_in_tkip(struct... |
f9654207e92283e0acac5d64fe5f8835383b5a23 | Analyze and fix the following issue in the Linux kernel code: staging: rtl8723bs: fix OOB read in OnAssocRsp() IE loop | Problem Details:
The IE parsing loop in OnAssocRsp() advances by (pIE->length + 2) each
iteration but only guards on i < pkt_len. When a malicious AP sends an
AssocResponse whose last IE has only one byte remaining in the frame
(the element_id byte lands at pkt_len-1), the loop reads pIE->length
from pframe[pkt_len], w... | ```diff
diff --git a/drivers/staging/rtl8723bs/core/rtw_mlme_ext.c b/drivers/staging/rtl8723bs/core/rtw_mlme_ext.c
index 70e864cd530d..a443b3530fb9 100644
--- a/drivers/staging/rtl8723bs/core/rtw_mlme_ext.c
+++ b/drivers/staging/rtl8723bs/core/rtw_mlme_ext.c
@@ -1371,7 +1371,11 @@ unsigned int OnAssocRsp(struct adapter... |
f8001e1a516ba3b495728c65b61f799cbfad6bd0 | Analyze and fix the following issue in the Linux kernel code: staging: rtl8723bs: fix OOB write in HT_caps_handler() | Problem Details:
HT_caps_handler() iterates pIE->length bytes and writes into
HT_caps.u.HT_cap[], which is a fixed 26-byte array (sizeof struct
HT_caps_element). Because pIE->length is a raw u8 from an over-the-air
802.11 AssocResponse frame and is never validated, a malicious AP can
set it up to 255, causing up to 229... | ```diff
diff --git a/drivers/staging/rtl8723bs/core/rtw_wlan_util.c b/drivers/staging/rtl8723bs/core/rtw_wlan_util.c
index b355d8a3ceab..4c0eb93f412e 100644
--- a/drivers/staging/rtl8723bs/core/rtw_wlan_util.c
+++ b/drivers/staging/rtl8723bs/core/rtw_wlan_util.c
@@ -909,7 +909,8 @@ void HT_caps_handler(struct adapter *... |
5a752a616e756844388a1a45404db9fc29fec655 | Analyze and fix the following issue in the Linux kernel code: staging: rtl8723bs: fix heap buffer overflow in rtw_cfg80211_set_wpa_ie() | Problem Details:
supplicant_ie is a 256-byte array in struct security_priv. The WPA and
WPA2 IE copy paths use:
memcpy(padapter->securitypriv.supplicant_ie, &pwpa[0], wpa_ielen + 2);
where wpa_ielen is the raw IE length field (u8, 0-255). When a local user
supplies a connect request via nl80211 with a crafted WPA... | ```diff
diff --git a/drivers/staging/rtl8723bs/os_dep/ioctl_cfg80211.c b/drivers/staging/rtl8723bs/os_dep/ioctl_cfg80211.c
index 1484336d7551..6a97afd89dc7 100644
--- a/drivers/staging/rtl8723bs/os_dep/ioctl_cfg80211.c
+++ b/drivers/staging/rtl8723bs/os_dep/ioctl_cfg80211.c
@@ -1446,6 +1446,10 @@ static int rtw_cfg8021... |
ef61d628dfad38fead1fd2e08979ae9126d011d5 | Analyze and fix the following issue in the Linux kernel code: staging: rtl8723bs: fix OOB reads in IE loops in issue_assocreq() and join_cmd_hdl() | Problem Details:
Two IE parsing loops are missing the header bounds checks before they
dereference pIE->length:
- issue_assocreq() walks pmlmeinfo->network.ies to build the
association request. If the stored IE data ends with only an
element_id byte and no length byte, pIE->length is read one byte
past the e... | ```diff
diff --git a/drivers/staging/rtl8723bs/core/rtw_mlme_ext.c b/drivers/staging/rtl8723bs/core/rtw_mlme_ext.c
index 7198be795000..70e864cd530d 100644
--- a/drivers/staging/rtl8723bs/core/rtw_mlme_ext.c
+++ b/drivers/staging/rtl8723bs/core/rtw_mlme_ext.c
@@ -2861,7 +2861,11 @@ void issue_assocreq(struct adapter *pa... |
ed51de4a86e173c3b0ef78e039c2e49e08b11f16 | Analyze and fix the following issue in the Linux kernel code: staging: rtl8723bs: fix OOB read in update_beacon_info() IE loop | Problem Details:
The IE parsing loop in update_beacon_info() advances by
(pIE->length + 2) each iteration but only guards on i < len.
When a malicious AP sends a Beacon whose last IE has only one byte
remaining in the frame (the element_id byte lands at len-1), the loop
reads pIE->length from one byte past the allocate... | ```diff
diff --git a/drivers/staging/rtl8723bs/core/rtw_wlan_util.c b/drivers/staging/rtl8723bs/core/rtw_wlan_util.c
index 1d37c2d5b10d..b355d8a3ceab 100644
--- a/drivers/staging/rtl8723bs/core/rtw_wlan_util.c
+++ b/drivers/staging/rtl8723bs/core/rtw_wlan_util.c
@@ -1262,7 +1262,11 @@ void update_beacon_info(struct ada... |
a1fc19d61f661d47204f095b593de507884849f7 | Analyze and fix the following issue in the Linux kernel code: staging: rtl8723bs: fix WEP length underflow and OOB read in OnAuth() | Problem Details:
OnAuth() has two bugs in the shared-key authentication path.
When the Privacy bit is set, rtw_wep_decrypt() is called without
verifying that the frame is long enough to contain a valid WEP IV and
ICV. Inside rtw_wep_decrypt(), length is computed as:
length = len - WLAN_HDR_A3_LEN - iv_len
and t... | ```diff
diff --git a/drivers/staging/rtl8723bs/core/rtw_mlme_ext.c b/drivers/staging/rtl8723bs/core/rtw_mlme_ext.c
index a86d6f97cf02..7198be795000 100644
--- a/drivers/staging/rtl8723bs/core/rtw_mlme_ext.c
+++ b/drivers/staging/rtl8723bs/core/rtw_mlme_ext.c
@@ -677,6 +677,9 @@ unsigned int OnAuth(struct adapter *padap... |
151edde741f8bc7f2931c5f44ab376d32b0c8beb | Analyze and fix the following issue in the Linux kernel code: staging: vme_user: fix location monitor leak in tsi148 bridge | Problem Details:
tsi148_probe() allocates a location monitor resource and links it into
tsi148_bridge->lm_resources. The probe error path frees this list, but
tsi148_remove() only frees the dma, slave and master resource lists, so
the location monitor resource is leaked on device unbind or module
unload.
Free the lm_r... | ```diff
diff --git a/drivers/staging/vme_user/vme_tsi148.c b/drivers/staging/vme_user/vme_tsi148.c
index 4cf3486646ce..c695ad9b4ca2 100644
--- a/drivers/staging/vme_user/vme_tsi148.c
+++ b/drivers/staging/vme_user/vme_tsi148.c
@@ -2534,6 +2534,7 @@ static void tsi148_remove(struct pci_dev *pdev)
{
struct list_head *... |
e8422d89e8af41d87f0e9db564be8e2634f4c602 | Analyze and fix the following issue in the Linux kernel code: staging: vme_user: fix location monitor leak in fake bridge | Problem Details:
fake_init() allocates a location monitor resource and links it into
fake_bridge->lm_resources. The init error path frees this list, but
fake_exit() only frees the slave and master resource lists. Loading
and unloading the module therefore triggers a kmemleak warning:
unreferenced object 0xffff8b8b82... | ```diff
diff --git a/drivers/staging/vme_user/vme_fake.c b/drivers/staging/vme_user/vme_fake.c
index 8abaa3165fbb..434cf760ade6 100644
--- a/drivers/staging/vme_user/vme_fake.c
+++ b/drivers/staging/vme_user/vme_fake.c
@@ -1239,6 +1239,7 @@ static void __exit fake_exit(void)
{
struct list_head *pos = NULL;
struct ... |
9f32f38265014fac7f5dc9490fb01a638ce6e121 | Analyze and fix the following issue in the Linux kernel code: staging: vme_user: bound slave read/write to the kern_buf size | Problem Details:
The SLAVE-path helpers buffer_to_user() and buffer_from_user() copy
'count' bytes into/out of the fixed-size kern_buf (size_buf ==
PCI_BUF_SIZE == 0x20000, 128 KiB) using *ppos as the offset, without
bounding *ppos + count against size_buf.
vme_user_write()/vme_user_read() only clamp count to the VME ... | ```diff
diff --git a/drivers/staging/vme_user/vme_user.c b/drivers/staging/vme_user/vme_user.c
index 11e25c2f6b0a..a472a38ef613 100644
--- a/drivers/staging/vme_user/vme_user.c
+++ b/drivers/staging/vme_user/vme_user.c
@@ -156,6 +156,17 @@ static ssize_t buffer_to_user(unsigned int minor, char __user *buf,
{
void *i... |
252f8c681adc8614b70f844ba3de3a138c33a783 | Analyze and fix the following issue in the Linux kernel code: staging: rtl8723bs: don't drop short TX frames in _rtw_pktfile_read() | Problem Details:
Commit bc4df274dca6 ("staging: rtl8723bs: update _rtw_pktfile_read() to
return error codes") changed _rtw_pktfile_read() to fail when the caller
asks for more bytes than remain in the packet:
if (rtw_remainder_len(pfile) < rlen)
return -EINVAL;
That breaks the assumption made by the data TX path. ... | ```diff
diff --git a/drivers/staging/rtl8723bs/os_dep/xmit_linux.c b/drivers/staging/rtl8723bs/os_dep/xmit_linux.c
index d5bb1c7932fc..4260ed5f4e97 100644
--- a/drivers/staging/rtl8723bs/os_dep/xmit_linux.c
+++ b/drivers/staging/rtl8723bs/os_dep/xmit_linux.c
@@ -24,9 +24,11 @@ void _rtw_open_pktfile(struct sk_buff *pkt... |
60444706aa17616efc03190d099ac347e28b3d0a | Analyze and fix the following issue in the Linux kernel code: net: usb: lan78xx: disable VLAN filter in promiscuous mode | Problem Details:
The hardware VLAN filter (RFE_CTL_VLAN_FILTER_) drops VLAN-tagged frames
whose VID has not been registered via lan78xx_vlan_rx_add_vid(). It is
left enabled in promiscuous mode, so packet capture (e.g. tcpdump or
Wireshark) does not see tagged frames for unregistered VIDs.
Clear the filter while the i... | ```diff
diff --git a/drivers/net/usb/lan78xx.c b/drivers/net/usb/lan78xx.c
index c4cebacabcb5..cb782d81d84f 100644
--- a/drivers/net/usb/lan78xx.c
+++ b/drivers/net/usb/lan78xx.c
@@ -1499,6 +1499,17 @@ multicast_write_done:
return;
}
+static void lan78xx_update_vlan_filter(struct lan78xx_priv *pdata,
+ s... |
2bd3c6c702f3a9e2bcb3b536b0fbbaa645005d71 | Analyze and fix the following issue in the Linux kernel code: KVM: arm64: Zero out the stack initialized data in the FFA handler | Problem Details:
Don't leak hypervisor stack data when using the FFA_VERSION call.
When the compiler doesn't support -ftrivial-auto-var-init=zero option
we need to zero out the stack initialized variable before returning data
to the host caller.
Closes:
https://lore.kernel.org/all/20260616160016.C62C81F000E9@smtp.kern... | ```diff
diff --git a/arch/arm64/kvm/hyp/nvhe/ffa.c b/arch/arm64/kvm/hyp/nvhe/ffa.c
index 9c96e72e522e..a327c2bbb6b6 100644
--- a/arch/arm64/kvm/hyp/nvhe/ffa.c
+++ b/arch/arm64/kvm/hyp/nvhe/ffa.c
@@ -880,7 +880,7 @@ out_unlock:
bool kvm_host_ffa_handler(struct kvm_cpu_context *host_ctxt, u32 func_id)
{
- struct arm_... |
6a7a181f6921db3d9aed1bba7e15547fefd7eedc | Analyze and fix the following issue in the Linux kernel code: KVM: arm64: Ensure FFA ranges are page aligned | Problem Details:
Harden the check for the constituent memory region page alignment
to prevent over-sharing when the negotiated FFA_PAGE_SIZE size is
smaller than the system PAGE_SIZE.
At the moment we only check that the size of the range is page
aligned, and truncate the address to the page boundary which can
annotate... | ```diff
diff --git a/arch/arm64/kvm/hyp/nvhe/ffa.c b/arch/arm64/kvm/hyp/nvhe/ffa.c
index 2e7ab7e3319d..9c96e72e522e 100644
--- a/arch/arm64/kvm/hyp/nvhe/ffa.c
+++ b/arch/arm64/kvm/hyp/nvhe/ffa.c
@@ -352,7 +352,7 @@ static u32 __ffa_host_share_ranges(struct ffa_mem_region_addr_range *ranges,
u64 sz = (u64)range->pg_c... |
a6b49d27c17909608d54523220bb6f3498d4a1df | Analyze and fix the following issue in the Linux kernel code: KVM: arm64: Validate the offset to the mem access descriptor | Problem Details:
Prevent the pKVM hypervisor from making assumptions that the
endpoint memory access descriptor (EMAD) comes right after the
FF-A memory region header.
Prior to FF-A version 1.1 the header of the memory region
didn't contain an offset to the endpoint memory access descriptor.
The layout of a memory tran... | ```diff
diff --git a/arch/arm64/kvm/hyp/nvhe/ffa.c b/arch/arm64/kvm/hyp/nvhe/ffa.c
index 41cc4c1bafeb..2e7ab7e3319d 100644
--- a/arch/arm64/kvm/hyp/nvhe/ffa.c
+++ b/arch/arm64/kvm/hyp/nvhe/ffa.c
@@ -476,11 +476,12 @@ static void __do_ffa_mem_xfer(const u64 func_id,
DECLARE_REG(u32, fraglen, ctxt, 2);
DECLARE_REG(u6... |
8c6db30d79528279abbeb416e4f533f1f91b8724 | Analyze and fix the following issue in the Linux kernel code: KVM: arm64: Fix bounds checking in do_ffa_mem_reclaim() | Problem Details:
Sashiko (locally) reports out of bound write possiblity if SPMD
returns an invalid data.
While SPMD is considered trusted, pKVM does some basic checks,
for offset to be less than or equal len.
However, that is incorrect as even if the offset is smaller than
len pKVM can still access out of bound memo... | ```diff
diff --git a/arch/arm64/kvm/hyp/nvhe/ffa.c b/arch/arm64/kvm/hyp/nvhe/ffa.c
index 1af722771178..41cc4c1bafeb 100644
--- a/arch/arm64/kvm/hyp/nvhe/ffa.c
+++ b/arch/arm64/kvm/hyp/nvhe/ffa.c
@@ -607,8 +607,8 @@ static void do_ffa_mem_reclaim(struct arm_smccc_1_2_regs *res,
* check that we end up with something t... |
7993211bde166471dffac074dc965489f86531f8 | Analyze and fix the following issue in the Linux kernel code: ipv4: igmp: remove multicast group from hash table on device destruction | Problem Details:
When a device is destroyed under RTNL, ip_mc_destroy_dev() iterates through
the multicast list and calls ip_ma_put() on each membership, scheduling
them for RCU reclamation. However, they are not unlinked from the device's
multicast hash table (mc_hash).
Since the device remains published in dev->ip_p... | ```diff
diff --git a/net/ipv4/igmp.c b/net/ipv4/igmp.c
index b6337a47c141..d520ea4f6d14 100644
--- a/net/ipv4/igmp.c
+++ b/net/ipv4/igmp.c
@@ -1922,6 +1922,7 @@ void ip_mc_destroy_dev(struct in_device *in_dev)
#endif
while ((i = rtnl_dereference(in_dev->mc_list)) != NULL) {
+ ip_mc_hash_remove(in_dev, i);
in_d... |
5c0e3ba4f500fd4314ceb42f07f16bc445156431 | Analyze and fix the following issue in the Linux kernel code: net/liquidio: drop cached VF pci_dev LUT | Problem Details:
The PF SR-IOV enable path caches VF pci_dev pointers in
dpiring_to_vfpcidev_lut[] by iterating with pci_get_device(). Those
entries do not own a reference, because the iterator drops the previous
device reference on each step. The cached pointer is then dereferenced
later when handling OCTEON_VF_FLR_RE... | ```diff
diff --git a/drivers/net/ethernet/cavium/liquidio/lio_main.c b/drivers/net/ethernet/cavium/liquidio/lio_main.c
index 0db08ac3d098..e303956b4bf1 100644
--- a/drivers/net/ethernet/cavium/liquidio/lio_main.c
+++ b/drivers/net/ethernet/cavium/liquidio/lio_main.c
@@ -3779,9 +3779,7 @@ setup_nic_dev_done:
static int... |
d9d6d67f4c0877fde783c9d5beee013bcf1b1e85 | Analyze and fix the following issue in the Linux kernel code: net: rnpgbe: fix mailbox endianness and remove pointer casts | Problem Details:
The rnpgbe mailbox exchanges data through 32-bit MMIO registers in
little-endian wire format. The original code had two problems:
1. FW structs (with __le16/__le32 fields) were cast to (u32 *)
before reaching the mailbox transport, hiding the endian
annotations from sparse.
2. No cpu_to... | ```diff
diff --git a/drivers/net/ethernet/mucse/rnpgbe/rnpgbe_mbx.c b/drivers/net/ethernet/mucse/rnpgbe/rnpgbe_mbx.c
index de5e29230b3c..c46408698263 100644
--- a/drivers/net/ethernet/mucse/rnpgbe/rnpgbe_mbx.c
+++ b/drivers/net/ethernet/mucse/rnpgbe/rnpgbe_mbx.c
@@ -166,18 +166,23 @@ static void mucse_mbx_inc_pf_ack(st... |
240c8d2c717b3f8153e7e877b22a82518d78dbdc | Analyze and fix the following issue in the Linux kernel code: wifi: brcmfmac: cyw: fix heap overflow on a short auth frame | Problem Details:
brcmf_notify_auth_frame_rx() takes the frame length from the firmware
event and copies the frame body with the management header offset
subtracted:
u32 mgmt_frame_len = e->datalen - sizeof(struct brcmf_rx_mgmt_data);
...
memcpy(&mgmt_frame->u, frame,
mgmt_frame_len - offsetof(struct ieee802... | ```diff
diff --git a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/cyw/core.c b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/cyw/core.c
index ce09d44fa73c..873754be5174 100644
--- a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/cyw/core.c
+++ b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/cyw/core.c
@@ -2... |
3be28e2c9cd0230cb51fd4967df095273afd3848 | Analyze and fix the following issue in the Linux kernel code: net/tls: Consume empty data records in tls_sw_read_sock() | Problem Details:
A peer may send a zero-length TLS application_data record; TLS 1.3
explicitly permits these as a traffic-analysis countermeasure (RFC
8446, Section 5.1). After decryption such a record has full_len ==
0. tls_sw_read_sock() hands it to the read_actor, which has no
payload to consume and returns zero. Th... | ```diff
diff --git a/net/tls/tls_sw.c b/net/tls/tls_sw.c
index 9324e4ed20a3..d4afc90fd796 100644
--- a/net/tls/tls_sw.c
+++ b/net/tls/tls_sw.c
@@ -2115,6 +2115,17 @@ int tls_sw_read_sock(struct sock *sk, read_descriptor_t *desc,
goto read_sock_requeue;
}
+ /* An empty data record (legal in TLS 1.3) gives a ze... |
2a665946e0407a05a3f81bd56a08553c446498e0 | Analyze and fix the following issue in the Linux kernel code: wifi: brcmfmac: initialize SDIO data work before cleanup | Problem Details:
brcmf_sdio_probe() stores the newly allocated bus in sdiodev->bus before
allocating the ordered workqueue. If that allocation fails, the function
jumps to fail and calls brcmf_sdio_remove().
brcmf_sdio_remove() unconditionally cancels bus->datawork. Initialize the
work item before the first failure pa... | ```diff
diff --git a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/sdio.c b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/sdio.c
index 8fb595733b9c..b725c64e5b5c 100644
--- a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/sdio.c
+++ b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/sdio.c
@@ -4465,6 +4465,7 @@... |
5b4396e12cb10fa89ca0a272fae2b5408cfeaa91 | Analyze and fix the following issue in the Linux kernel code: xfs: drop ASSERT(0) on unrecognized log item type | Problem Details:
The item type passed to ITEM_TYPE() comes from the on-disk log, so a
fuzzed or crafted image can reach the "unrecognized type" path in
xlog_recover_reorder_trans() and trip its ASSERT(0) on a
CONFIG_XFS_DEBUG kernel. The -EFSCORRUPTED return handles it fine; drop
the assert.
Reviewed-by: Darrick J. W... | ```diff
diff --git a/fs/xfs/xfs_log_recover.c b/fs/xfs/xfs_log_recover.c
index 5f984bf5698a..a1b373c68f0e 100644
--- a/fs/xfs/xfs_log_recover.c
+++ b/fs/xfs/xfs_log_recover.c
@@ -1912,7 +1912,6 @@ xlog_recover_reorder_trans(
xfs_warn(log->l_mp,
"%s: unrecognized type of log operation (%d)",
__func__, ITEM... |
d5e4586546974179feca305a94e07fac3e9727fe | Analyze and fix the following issue in the Linux kernel code: wifi: cfg80211: validate rx/tx MLME callback frame lengths before access | Problem Details:
cfg80211_rx_mlme_mgmt() and cfg80211_tx_mlme_mgmt() call tracepoints
before rejecting frames shorter than the frame-control field. After
that, they only require len >= 2 before dispatching into subtype
handlers that assume their fixed fields are present.
The frames that trip this are not shorter than ... | ```diff
diff --git a/net/wireless/mlme.c b/net/wireless/mlme.c
index 2a2c173058ba..acc749eee2fe 100644
--- a/net/wireless/mlme.c
+++ b/net/wireless/mlme.c
@@ -151,19 +151,35 @@ void cfg80211_rx_mlme_mgmt(struct net_device *dev, const u8 *buf, size_t len)
{
struct wireless_dev *wdev = dev->ieee80211_ptr;
struct iee... |
d0e69d9afa59b93c30294eba89b1f15f69e91105 | Analyze and fix the following issue in the Linux kernel code: wifi: mac80211: ibss: wait for in-flight TX on disconnect | Problem Details:
While leaving an IBSS in ieee80211_ibss_disconnect() mac80211 flushes
stations, turns the carrier off and immediately tells the driver to
leave as well. While there may be synchronize_net() in station flush
and in this code later, packets can still be transmitted due to
cross-CPU race conditions after ... | ```diff
diff --git a/net/mac80211/ibss.c b/net/mac80211/ibss.c
index 1e5414ee27c0..882f91abbb66 100644
--- a/net/mac80211/ibss.c
+++ b/net/mac80211/ibss.c
@@ -668,7 +668,9 @@ static void ieee80211_ibss_disconnect(struct ieee80211_sub_if_data *sdata)
ifibss->state = IEEE80211_IBSS_MLME_SEARCH;
- sta_info_flush(sda... |
4e72459683b5185568e9ffe2584a7b834f7902b5 | Analyze and fix the following issue in the Linux kernel code: wifi: mac80211: recalculate rx_nss on IBSS peer capability update | Problem Details:
When IBSS peer capabilities change, rates_updated is set to true in
ieee80211_update_sta_info(), but rx_nss is never recalculated.
For peers with HT/VHT, this leaves rx_nss at 0 instead of the
correct value, causing drivers to use incorrect rate scaling
parameters.
The root cause is that the commit be... | ```diff
diff --git a/net/mac80211/ibss.c b/net/mac80211/ibss.c
index d0fd6054f182..1e5414ee27c0 100644
--- a/net/mac80211/ibss.c
+++ b/net/mac80211/ibss.c
@@ -1029,8 +1029,8 @@ static void ieee80211_update_sta_info(struct ieee80211_sub_if_data *sdata,
u32 changed = IEEE80211_RC_SUPP_RATES_CHANGED;
u8 rx_nss = sta... |
0c2ed186bbe14304415476d6707b747dddcd8583 | Analyze and fix the following issue in the Linux kernel code: wifi: cfg80211: use wiphy work for socket owner autodisconnect | Problem Details:
nl80211_netlink_notify() walks the cfg80211 wireless device list when a
NETLINK_GENERIC socket is released. If the socket owns a connection, the
notifier queues the embedded wdev->disconnect_wk work item.
That work is a plain work_struct today. NETDEV_GOING_DOWN cancels it, but a
NETLINK_URELEASE noti... | ```diff
diff --git a/include/net/cfg80211.h b/include/net/cfg80211.h
index 3751a1d74765..f5abf1db7558 100644
--- a/include/net/cfg80211.h
+++ b/include/net/cfg80211.h
@@ -7228,7 +7228,7 @@ struct wireless_dev {
enum ieee80211_bss_type conn_bss_type;
u32 conn_owner_nlportid;
- struct work_struct disconnect_wk;
+ s... |
95fc02722edde02946d0d475221f2b2054d3d8ba | Analyze and fix the following issue in the Linux kernel code: wifi: mac80211: fix memory leak in ieee80211_register_hw() | Problem Details:
If kmemdup() fails while copying supported band structures, the error
path jumps to fail_rate. This skips rate_control_deinitialize() and
leaks the initialized local->rate_ctrl.
Fix this by adding a fail_band label that shares the rate-control cleanup
path before falling through to the remaining teard... | ```diff
diff --git a/net/mac80211/main.c b/net/mac80211/main.c
index 90d295cc364f..eb1eaaf34612 100644
--- a/net/mac80211/main.c
+++ b/net/mac80211/main.c
@@ -1602,7 +1602,7 @@ int ieee80211_register_hw(struct ieee80211_hw *hw)
sband = kmemdup(sband, sizeof(*sband), GFP_KERNEL);
if (!sband) {
result = -ENOMEM... |
f3858d5b1432098c1936e03d6e03dd0e33facf60 | Analyze and fix the following issue in the Linux kernel code: wifi: mac80211: free AP_VLAN bc_buf SKBs outside IRQ lock | Problem Details:
ieee80211_do_stop() removes AP_VLAN packets from the parent AP
ps->bc_buf while holding ps->bc_buf.lock with IRQs disabled. It then
calls ieee80211_free_txskb() before dropping the lock.
ieee80211_free_txskb() is not just a passive SKB release. For SKBs with
TX status state it can report a dropped fra... | ```diff
diff --git a/net/mac80211/iface.c b/net/mac80211/iface.c
index 086272c3ec08..43460a705a6b 100644
--- a/net/mac80211/iface.c
+++ b/net/mac80211/iface.c
@@ -588,6 +588,7 @@ static void ieee80211_do_stop(struct ieee80211_sub_if_data *sdata, bool going_do
WARN_ON(!list_empty(&sdata->u.ap.vlans));
} else if (sd... |
1ba02717e821cf14ece642273958647e79698d3d | Analyze and fix the following issue in the Linux kernel code: accel/amdxdna: Fix VMA access race | Problem Details:
aie2_populate_range() and amdxdna_umap_release() access a saved VMA
pointer that may have already been freed, leading to a potential
use-after-free.
Remove the VMA accesses from these functions to avoid the race.
Fixes: e486147c912f ("accel/amdxdna: Add BO import and export")
Reviewed-by: Max Zhen <m... | ```diff
diff --git a/drivers/accel/amdxdna/aie2_ctx.c b/drivers/accel/amdxdna/aie2_ctx.c
index 4fa9abd90cd7..408ff7e2a272 100644
--- a/drivers/accel/amdxdna/aie2_ctx.c
+++ b/drivers/accel/amdxdna/aie2_ctx.c
@@ -1053,8 +1053,6 @@ again:
kref_get(&mapp->refcnt);
up_write(&xdna->notifier_lock);
- XDNA_DBG(xdna, "pop... |
18aaebdf43366954345a6721ed2bff3ac3c9fa61 | Analyze and fix the following issue in the Linux kernel code: accel/amdxdna: Use unsigned long for nr_pages in amdxdna_hmm_register() | Problem Details:
nr_pages is declared as u32 in amdxdna_hmm_register(), which may not be
large enough to represent the number of pages for large mappings.
Use unsigned long for nr_pages to avoid potential overflow.
Fixes: ac49797c1815 ("accel/amdxdna: Add GEM buffer object management")
Reviewed-by: Max Zhen <max.zhen... | ```diff
diff --git a/drivers/accel/amdxdna/amdxdna_gem.c b/drivers/accel/amdxdna/amdxdna_gem.c
index 45abd6a804cc..3afa5ffff93f 100644
--- a/drivers/accel/amdxdna/amdxdna_gem.c
+++ b/drivers/accel/amdxdna/amdxdna_gem.c
@@ -346,7 +346,7 @@ static int amdxdna_hmm_register(struct amdxdna_gem_obj *abo,
unsigned long len ... |
e35c9cf5512814fb04f369f2eada64f0a7164609 | Analyze and fix the following issue in the Linux kernel code: accel/amdxdna: Prevent PM resume deadlock in hwctx_sync_debug_bo() | Problem Details:
amdxdna_hwctx_sync_debug_bo() invokes the hardware hwctx_sync_debug_bo()
callback while holding xdna->dev_lock.
The callback may call amdxdna_cmd_submit(), which in turn calls
amdxdna_pm_resume_get(). If the device is suspended,
amdxdna_pm_resume_get() may synchronously execute amdxdna_pm_resume(),
wh... | ```diff
diff --git a/drivers/accel/amdxdna/aie2_ctx.c b/drivers/accel/amdxdna/aie2_ctx.c
index 54486960cbf5..4fa9abd90cd7 100644
--- a/drivers/accel/amdxdna/aie2_ctx.c
+++ b/drivers/accel/amdxdna/aie2_ctx.c
@@ -875,7 +875,7 @@ static int aie2_hwctx_cu_config(struct amdxdna_hwctx *hwctx, void *buf, u32 size
if (!hwctx... |
b9f089723aee892efc77c349ae47a6b452b293c4 | Analyze and fix the following issue in the Linux kernel code: fs/resctrl: Fix double-add of pseudo-locked region's RMID to free list | Problem Details:
A pseudo-locked group's RMID is freed when it is created. On unmount
rmdir_all_sub() unconditionally frees all RMID of all groups, resulting
in a double-free of the pseudo-locked group's RMID. The consequence of this
is that the original free results in the pseudo-locked group's RMID being
added to the... | ```diff
diff --git a/fs/resctrl/rdtgroup.c b/fs/resctrl/rdtgroup.c
index ce277f16ea12..cc9966ff6cdf 100644
--- a/fs/resctrl/rdtgroup.c
+++ b/fs/resctrl/rdtgroup.c
@@ -3084,10 +3084,6 @@ static void rmdir_all_sub(void)
if (rdtgrp == &rdtgroup_default)
continue;
- if (rdtgrp->mode == RDT_MODE_PSEUDO_LOCKSETUP |... |
52fce648607e0d6a76eeb443d78708c49df1c554 | Analyze and fix the following issue in the Linux kernel code: fs/resctrl: Fix use-after-free during unmount | Problem Details:
During unmount or failure teardown all mon_data structures that contain
monitoring event file private data are freed after which kernfs nodes are
removed. However, the RDT_DELETED flag is never set for the statically
allocated default resource group.
A concurrent reader of an event file associated wit... | ```diff
diff --git a/fs/resctrl/rdtgroup.c b/fs/resctrl/rdtgroup.c
index 1312b52c7f7b..ce277f16ea12 100644
--- a/fs/resctrl/rdtgroup.c
+++ b/fs/resctrl/rdtgroup.c
@@ -587,14 +587,20 @@ unlock:
*
* On resource group creation via a mkdir, an extra kernfs_node reference is
* taken to ensure that the rdtgroup structu... |
cd053d788c3f13b3eaf16672d427ee828fda16ed | Analyze and fix the following issue in the Linux kernel code: io_uring: fix dangling iovec after provided-buffer bundle grow failure | Problem Details:
When growing a provided-buffer bundle, the old cached iovec is freed
before the new buffers have all been validated. If validation fails, the
request still points at the freed iovec, which can be freed again during
completion cleanup.
Fix this by deferring the free of the old cached iovec until valida... | ```diff
diff --git a/io_uring/kbuf.c b/io_uring/kbuf.c
index 3cd29477fff2..b6b969b55e12 100644
--- a/io_uring/kbuf.c
+++ b/io_uring/kbuf.c
@@ -287,8 +287,6 @@ static int io_ring_buffers_peek(struct io_kiocb *req, struct buf_sel_arg *arg,
iov = kmalloc_objs(struct iovec, nr_avail);
if (unlikely(!iov))
return -... |
ca0676ae2e1a23ac3e858224fc630b99f9e216ea | Analyze and fix the following issue in the Linux kernel code: fs/resctrl: Free mon_data structures on rdt_get_tree() failure | Problem Details:
If mkdir_mondata_all() or a subsequent call in rdt_get_tree() fails, the
mon_data structures allocated by mon_get_kn_priv() are leaked.
Add mon_put_kn_priv() to the out_mongrp error path to free the mon_data
structures.
Fixes: 2a6566038544 ("x86/resctrl: Expand the width of domid by replacing mon_dat... | ```diff
diff --git a/fs/resctrl/rdtgroup.c b/fs/resctrl/rdtgroup.c
index af2cbab14497..1312b52c7f7b 100644
--- a/fs/resctrl/rdtgroup.c
+++ b/fs/resctrl/rdtgroup.c
@@ -74,6 +74,8 @@ static int rdtgroup_setup_root(struct rdt_fs_context *ctx);
static void rdtgroup_destroy_root(void);
+static void mon_put_kn_priv(void... |
81bbcff0c053c4f5c711c31a9b72fc492bd96c3f | Analyze and fix the following issue in the Linux kernel code: riscv: Prevent NULL pointer dereference in machine_kexec_prepare() | Problem Details:
A NULL pointer dereference issue is noticed in riscv's
machine_kexec_prepare(), where image->segment[i].buf might be NULL and
copied unchecked.
The NULL buf comes from ima_add_kexec_buffer(), where kbuf is added by
kexec_add_buffer(), but kbuf.buffer is NULL, then it is copied without
a check in machi... | ```diff
diff --git a/arch/riscv/kernel/machine_kexec.c b/arch/riscv/kernel/machine_kexec.c
index 2306ce3e5f22..738df176ff6f 100644
--- a/arch/riscv/kernel/machine_kexec.c
+++ b/arch/riscv/kernel/machine_kexec.c
@@ -41,6 +41,9 @@ machine_kexec_prepare(struct kimage *image)
if (image->segment[i].memsz <= sizeof(fdt))
... |
9b9a6e31bdd1ff20c3ffdab87431672d8bfc2a07 | Analyze and fix the following issue in the Linux kernel code: firmware: stratix10-svc: fix FCS SMC call kernel-doc | Problem Details:
Correct kernel-doc errors for two FCS SMC calls:
INTEL_SIP_SMC_FCS_SEND_CERTIFICATE:
- Describe as async to match STD_CALL_VAL usage
- Replace INTEL_SIP_SMC_FCS_REJECTED with INTEL_SIP_SMC_REJECTED
INTEL_SIP_SMC_FCS_GET_PROVISION_DATA:
- Replace FCS-specific status macros with standard status macros
... | ```diff
diff --git a/include/linux/firmware/intel/stratix10-smc.h b/include/linux/firmware/intel/stratix10-smc.h
index 9116512169dc..2c603a24967f 100644
--- a/include/linux/firmware/intel/stratix10-smc.h
+++ b/include/linux/firmware/intel/stratix10-smc.h
@@ -606,7 +606,7 @@ INTEL_SIP_SMC_FAST_CALL_VAL(INTEL_SIP_SMC_FUN... |
9119ceb76e987c2ec2b549ea100e3268ce3a1c7c | Analyze and fix the following issue in the Linux kernel code: firmware: stratix10-svc: fix memory leaks and list corruption bugs | Problem Details:
Fix a memory leak when gen_pool_alloc() fails by freeing pmem on the error
path. Switch pmem allocation from devm_kzalloc() to kzalloc() with
explicit kfree() in the free path to match its list-managed lifetime.
Remove the erroneous list_del(&svc_data_mem) which corrupted the list head
on failed lookup... | ```diff
diff --git a/drivers/firmware/stratix10-svc.c b/drivers/firmware/stratix10-svc.c
index c24ca5823078..6306b79a14a1 100644
--- a/drivers/firmware/stratix10-svc.c
+++ b/drivers/firmware/stratix10-svc.c
@@ -1857,14 +1857,16 @@ void *stratix10_svc_allocate_memory(struct stratix10_svc_chan *chan,
struct gen_pool *g... |
b983c56426383e4a06fa5970c4e33cee879b1482 | Analyze and fix the following issue in the Linux kernel code: cgroup/cpuset: rebind mm mempolicy to effective_mems, not mems_allowed | Problem Details:
Creating a child cpuset where cpuset.mems is never set leads to a div/0
when a VMA mempolicy with MPOL_F_RELATIVE_NODES rebinds in response to a
CPU hotplug event.
Reproduction steps:
1) Create a cgroup w/ cpuset controls (do not set cpuset.mems)
2) Move the task into the child cpuset
3) Create a V... | ```diff
diff --git a/kernel/cgroup/cpuset.c b/kernel/cgroup/cpuset.c
index 591e3aa487fc..45944b3e31ca 100644
--- a/kernel/cgroup/cpuset.c
+++ b/kernel/cgroup/cpuset.c
@@ -2653,7 +2653,12 @@ void cpuset_update_tasks_nodemask(struct cpuset *cs)
migrate = is_memory_migrate(cs);
- mpol_rebind_mm(mm, &cs->mems_allow... |
fe58f457ad8d0a2bef4e053cfecca4b5cd266b1a | Analyze and fix the following issue in the Linux kernel code: tracing/osnoise: Call synchronize_rcu() when unregistering | Problem Details:
This ensures that any RCU readers traversing the instance list
have finished, before releasing the reference on the tracer that
the instance points to.
Cc: stable@vger.kernel.org
Fixes: a6ed2aee54644 ("tracing: Switch to kvfree_rcu() API")
Link: https://patch.msgid.link/20260609045430.1589786-1-crwood... | ```diff
diff --git a/kernel/trace/trace_osnoise.c b/kernel/trace/trace_osnoise.c
index 5e83c4f6f2b4..0e1265acd1cc 100644
--- a/kernel/trace/trace_osnoise.c
+++ b/kernel/trace/trace_osnoise.c
@@ -179,7 +179,9 @@ static void osnoise_unregister_instance(struct trace_array *tr)
if (!found)
return;
- kvfree_rcu_might... |
c37e0a4b79a6bbb96ce5ffe279d7c001e20529e0 | Analyze and fix the following issue in the Linux kernel code: ring-buffer: Fix event length with forced 8-byte alignment | Problem Details:
When RB_FORCE_8BYTE_ALIGNMENT is true, rb_calculate_event_length()
reserves the space of event->array[0] for placing the data length and
rb_update_event() stores the data length in event->array[0]
accordingly. As a result the whole event length will add extra 4 bytes
for sizeof(event.array[0]) uncondit... | ```diff
diff --git a/kernel/trace/ring_buffer.c b/kernel/trace/ring_buffer.c
index 56a328e94395..d9af2bbaf9c0 100644
--- a/kernel/trace/ring_buffer.c
+++ b/kernel/trace/ring_buffer.c
@@ -270,7 +270,8 @@ unsigned ring_buffer_event_length(struct ring_buffer_event *event)
if (event->type_len > RINGBUF_TYPE_DATA_TYPE_LEN... |
85f56708a443ec02a290878f00d79a1ff5110e41 | Analyze and fix the following issue in the Linux kernel code: KVM: arm64: Fix sign-extension of MMIO loads | Problem Details:
A sign-extending load (LDRSB, LDRSH, LDRSW) from MMIO returns a
zero-extended value to the guest. The architecture performs such a load
as a memory read of the access size, then a sign-extension to the
register width. For LDRSH (DDI 0487 M.b C6.2.225, with the Mem accessor
at J1.2.3.111):
data = M... | ```diff
diff --git a/arch/arm64/kvm/mmio.c b/arch/arm64/kvm/mmio.c
index e2285ed8c91d..d1c3a352d5a2 100644
--- a/arch/arm64/kvm/mmio.c
+++ b/arch/arm64/kvm/mmio.c
@@ -126,6 +126,10 @@ int kvm_handle_mmio_return(struct kvm_vcpu *vcpu)
len = kvm_vcpu_dabt_get_as(vcpu);
data = kvm_mmio_read_buf(run->mmio.data, len);... |
f35c08c092505f3a83ce097d94fe51eb8bc9c1b5 | Analyze and fix the following issue in the Linux kernel code: KVM: arm64: Only update XN attr when requested during S2 relaxation | Problem Details:
On systems without DIC, KVM lazily grants execute permission to stage-2
translations after taking an instruction abort due to a permission
fault, allowing it to defer I-cache invalidations to the point they're
absolutely required.
If a data abort happens later down the line to such a translation, KVM
... | ```diff
diff --git a/arch/arm64/kvm/hyp/pgtable.c b/arch/arm64/kvm/hyp/pgtable.c
index 386a7468136a..8754c99c22f2 100644
--- a/arch/arm64/kvm/hyp/pgtable.c
+++ b/arch/arm64/kvm/hyp/pgtable.c
@@ -1368,12 +1368,14 @@ int kvm_pgtable_stage2_relax_perms(struct kvm_pgtable *pgt, u64 addr,
if (prot & KVM_PGTABLE_PROT_W)
... |
100baf0184896f859290a684f864b8200d8ac872 | Analyze and fix the following issue in the Linux kernel code: KVM: arm64: Ensure level is always initialized when relaxing perms | Problem Details:
stage2_update_leaf_attrs() returns early before writing to @level if the
table walker returned an error. At the same time,
kvm_pgtable_stage2_relax_perms() uses the level as a TLBI TTL hint when the
error was EAGAIN, indicating the vCPU raced with a table update and the TLB
entry it hit is now stale.
... | ```diff
diff --git a/arch/arm64/kvm/hyp/pgtable.c b/arch/arm64/kvm/hyp/pgtable.c
index 0c1defa5fb0f..386a7468136a 100644
--- a/arch/arm64/kvm/hyp/pgtable.c
+++ b/arch/arm64/kvm/hyp/pgtable.c
@@ -1356,7 +1356,7 @@ int kvm_pgtable_stage2_relax_perms(struct kvm_pgtable *pgt, u64 addr,
enum kvm_pgtable_prot prot, e... |
3a07249981629ace483ebbef81ef6b34c2d2afec | Analyze and fix the following issue in the Linux kernel code: KVM: Move kvm_io_bus_get_dev() locking responsibilities to callers | Problem Details:
kvm_io_bus_get_dev() returns a device that is only matched by the
address, and nothing else. This can cause a lifetime issue if
the matched device is not the expected type, as by the time
the caller can introspect the object, it might be gone (the srcu
lock having been dropped).
Given that there is on... | ```diff
diff --git a/arch/arm64/kvm/vgic/vgic-its.c b/arch/arm64/kvm/vgic/vgic-its.c
index 67d107e9a77d..c90abde39fb8 100644
--- a/arch/arm64/kvm/vgic/vgic-its.c
+++ b/arch/arm64/kvm/vgic/vgic-its.c
@@ -508,6 +508,8 @@ static struct vgic_its *__vgic_doorbell_to_its(struct kvm *kvm, gpa_t db)
struct kvm_io_device *kvm... |
8b0b864c11a2e2ada470f9d5010e1c2bf1eceef2 | Analyze and fix the following issue in the Linux kernel code: iio: imu: inv_icm42600: fix timestamp clock period by using lower value | Problem Details:
Clock period value is used for computing periods of sampling. There is
no need for it to be higher than the maximum odr, otherwise we are
losing precision in the computation for nothing.
Switch clock period value to maximum odr period (8kHz).
Fixes: 0ecc363ccea7 ("iio: make invensense timestamp modul... | ```diff
diff --git a/drivers/iio/imu/inv_icm42600/inv_icm42600_accel.c b/drivers/iio/imu/inv_icm42600/inv_icm42600_accel.c
index 532d5fdffaf8..7df920ef3cf0 100644
--- a/drivers/iio/imu/inv_icm42600/inv_icm42600_accel.c
+++ b/drivers/iio/imu/inv_icm42600/inv_icm42600_accel.c
@@ -1170,10 +1170,10 @@ struct iio_dev *inv_i... |
86152fef52cac15cd662ed3bfc7604fbfef378f0 | Analyze and fix the following issue in the Linux kernel code: mmc: block: fix RPMB device unregister ordering | Problem Details:
Since commit 7852028a35f0 ("mmc: block: register RPMB partition with
the RPMB subsystem"), each mmc RPMB partition is represented by two
device objects:
- the mmc-owned device (`rpmb->dev`, backing the legacy /dev/mmcblkXrpmb
char device) and
- the rpmb-core device (`rdev`, backing /dev/rpmbN).
T... | ```diff
diff --git a/drivers/mmc/core/block.c b/drivers/mmc/core/block.c
index 0274e8d07660..54a923ba4f1e 100644
--- a/drivers/mmc/core/block.c
+++ b/drivers/mmc/core/block.c
@@ -2715,7 +2715,6 @@ static void mmc_blk_rpmb_device_release(struct device *dev)
{
struct mmc_rpmb_data *rpmb = dev_get_drvdata(dev);
- rpm... |
718178f524b98bc920d74bc771aed823c8b81425 | Analyze and fix the following issue in the Linux kernel code: memstick: ms_block: reject a card that reports too many blocks | Problem Details:
msb_ftl_initialize() computes the zone count from the card block count
with no bound:
msb->zone_count = msb->block_count / MS_BLOCKS_IN_ZONE;
...
for (i = 0; i < msb->zone_count; i++)
msb->free_block_count[i] = MS_BLOCKS_IN_ZONE;
msb->block_count is a card value. msb_read_boot_blocks() reads
num... | ```diff
diff --git a/drivers/memstick/core/ms_block.c b/drivers/memstick/core/ms_block.c
index a01fe313558e..ce33907bfc24 100644
--- a/drivers/memstick/core/ms_block.c
+++ b/drivers/memstick/core/ms_block.c
@@ -1338,6 +1338,10 @@ static int msb_ftl_initialize(struct msb_data *msb)
return 0;
msb->zone_count = msb... |
c505d54c1a9e99d36d322ced6c9c71a1157424b0 | Analyze and fix the following issue in the Linux kernel code: dt-bindings: mmc: mtk-sd: Document extra clocks for MT8189 | Problem Details:
MT8189 SoC MMC Controller IP has 4 additional clocks.
Describe them in the dt-bindings for this SoC.
Fixes: 7514f64780a4 ("dt-bindings: mmc: mtk-sd: Add support for MT8189 SoC")
Signed-off-by: Louis-Alexis Eyraud <louisalexis.eyraud@collabora.com>
Acked-by: Conor Dooley <conor.dooley@microchip.com>
Si... | ```diff
diff --git a/Documentation/devicetree/bindings/mmc/mtk-sd.yaml b/Documentation/devicetree/bindings/mmc/mtk-sd.yaml
index eb3755bdfdf7..a4d032224dce 100644
--- a/Documentation/devicetree/bindings/mmc/mtk-sd.yaml
+++ b/Documentation/devicetree/bindings/mmc/mtk-sd.yaml
@@ -193,7 +193,6 @@ allOf:
- med... |
3d04d9f390eeaab4d9e1ed4e9737e3d83581e18b | Analyze and fix the following issue in the Linux kernel code: Revert "drm/i915/psr: Allow SCL=0 on platforms with always-on VRR TG" | Problem Details:
This reverts commit 4f1cab2e4863d96ce13b8d94151f4848e38c3d5b.
Allowing SCL=0 on platforms with always-on VRR timing generator is
causing underruns and other issues on PTL in some cases.
SCL still needs to be non-zero in certain scenarios. Revert for now
until this is better understood.
Fixes: 4f1cab... | ```diff
diff --git a/drivers/gpu/drm/i915/display/intel_psr.c b/drivers/gpu/drm/i915/display/intel_psr.c
index e138982dc91f..beaa1d62613d 100644
--- a/drivers/gpu/drm/i915/display/intel_psr.c
+++ b/drivers/gpu/drm/i915/display/intel_psr.c
@@ -1522,9 +1522,6 @@ int _intel_psr_min_set_context_latency(const struct intel_c... |
6e1930ece855a4c256f1c7e6632d634cfb9888b5 | Analyze and fix the following issue in the Linux kernel code: Bluetooth: L2CAP: fix tx ident leak for commands without a response | Problem Details:
Commit 6c3ea155e5ee ("Bluetooth: L2CAP: Fix not tracking outstanding
TX ident") changed ident allocation to use an IDA, releasing idents in
l2cap_put_ident() when the matching response command is received.
But identifiers allocated for commands that have no response defined
are never released. In part... | ```diff
diff --git a/net/bluetooth/l2cap_core.c b/net/bluetooth/l2cap_core.c
index 519cd9552d86..538ae9aa3479 100644
--- a/net/bluetooth/l2cap_core.c
+++ b/net/bluetooth/l2cap_core.c
@@ -4879,6 +4879,7 @@ static void l2cap_put_ident(struct l2cap_conn *conn, u8 code, u8 id)
case L2CAP_ECHO_RSP:
case L2CAP_INFO_RSP:
... |
dd068ef044128db655f48323a4acfd5907e04903 | Analyze and fix the following issue in the Linux kernel code: Bluetooth: bpa10x: avoid OOB read of revision string in bpa10x_setup() | Problem Details:
bpa10x_setup() sends the vendor command 0xfc0e and passes the response
to bt_dev_info() and hci_set_fw_info() as a "%s" string starting at
skb->data + 1, without checking the length:
bt_dev_info(hdev, "%s", (char *)(skb->data + 1));
hci_set_fw_info(hdev, "%s", skb->data + 1);
A device that returns ... | ```diff
diff --git a/drivers/bluetooth/bpa10x.c b/drivers/bluetooth/bpa10x.c
index 2ae38a321c4b..e63d1af250ec 100644
--- a/drivers/bluetooth/bpa10x.c
+++ b/drivers/bluetooth/bpa10x.c
@@ -255,9 +255,13 @@ static int bpa10x_setup(struct hci_dev *hdev)
if (IS_ERR(skb))
return PTR_ERR(skb);
- bt_dev_info(hdev, "%s",... |
fd076d8deeab6f9f18ef13400f89e1f550df665b | Analyze and fix the following issue in the Linux kernel code: Bluetooth: ISO: exclude RFU bits from ISO_SDU_Length | Problem Details:
slen contains ISO_SDU_Length (12 bits), RFU (2 bits),
Packet_Status_Flags (2 bits).
Exclude the RFU bits from hci_iso_data_len. Also add masks to the pack
macro.
Fixes: 4de0fc599eb9 ("Bluetooth: Add definitions for CIS connections")
Signed-off-by: Pauli Virtanen <pav@iki.fi>
Signed-off-by: Luiz Augus... | ```diff
diff --git a/include/net/bluetooth/hci.h b/include/net/bluetooth/hci.h
index 38186a245f14..50f0eef71fb1 100644
--- a/include/net/bluetooth/hci.h
+++ b/include/net/bluetooth/hci.h
@@ -3413,8 +3413,9 @@ static inline struct hci_iso_hdr *hci_iso_hdr(const struct sk_buff *skb)
#define hci_iso_flags_pack(pb, ts) ((... |
e054c1a6ae7310d2815778fddb87da616e11c255 | Analyze and fix the following issue in the Linux kernel code: Bluetooth: ISO: fix malformed ISO_END/CONT handling | Problem Details:
Core specification (Part C vol 4 sec 5.4.5) does not exclude empty
ISO_CONT, ISO_END packets. We currently reject them if they are last.
If controller sends malformed sequence
ISO_START -> rx_len = 4, ISO_CONT skb->len 4, ISO_START
that ends payload in ISO_CONT, we leak conn->rx_skb. If control... | ```diff
diff --git a/net/bluetooth/iso.c b/net/bluetooth/iso.c
index cd7c7c9ea4fc..2e95a153912c 100644
--- a/net/bluetooth/iso.c
+++ b/net/bluetooth/iso.c
@@ -2540,7 +2540,7 @@ int iso_recv(struct hci_dev *hdev, u16 handle, struct sk_buff *skb, u16 flags)
switch (pb) {
case ISO_START:
case ISO_SINGLE:
- if (conn... |
9c36951474d8e1127f4946f39cb874a200f34e9f | Analyze and fix the following issue in the Linux kernel code: Bluetooth: btintel_pcie: Refactor FLR to use device_reprobe() | Problem Details:
The FLR branch in btintel_pcie_reset_work() open-coded the entire
re-init sequence: btintel_pcie_release_hdev() (hci_unregister_dev +
hci_free_dev), pci_try_reset_function(), enable_interrupts /
config_msix / enable_bt / reset_ia / start_rx, then
btintel_pcie_setup_hdev() (hci_alloc_dev_priv + hci_regi... | ```diff
diff --git a/drivers/bluetooth/btintel_pcie.c b/drivers/bluetooth/btintel_pcie.c
index 9e39327dc1fe..2b7231be5973 100644
--- a/drivers/bluetooth/btintel_pcie.c
+++ b/drivers/bluetooth/btintel_pcie.c
@@ -2127,6 +2127,9 @@ static int btintel_pcie_send_frame(struct hci_dev *hdev,
if (test_bit(BTINTEL_PCIE_CORE_H... |
6fef032af0092ed5ccb767239a9ac1bc38c08a40 | Analyze and fix the following issue in the Linux kernel code: Bluetooth: L2CAP: Fix use-after-free in l2cap_sock_new_connection_cb() | Problem Details:
l2cap_sock_new_connection_cb() returned l2cap_pi(sk)->chan after
release_sock(parent). Once the parent lock is dropped the newly
enqueued child socket sk is reachable via the accept queue, so another
task can accept and free it before the callback dereferences sk,
resulting in a use-after-free.
Rework... | ```diff
diff --git a/include/net/bluetooth/l2cap.h b/include/net/bluetooth/l2cap.h
index 1640cc9bf83a..ef6ce1c20a4f 100644
--- a/include/net/bluetooth/l2cap.h
+++ b/include/net/bluetooth/l2cap.h
@@ -617,7 +617,8 @@ struct l2cap_chan {
struct l2cap_ops {
char *name;
- struct l2cap_chan *(*new_connection) (struct ... |
4bd0b274054f2679f28b70222b607bb0afc3ab9a | Analyze and fix the following issue in the Linux kernel code: Bluetooth: fix UAF in bt_accept_dequeue() | Problem Details:
bt_accept_get() takes a temporary reference before dropping the accept
queue lock. bt_accept_dequeue() currently drops that reference before
bt_accept_unlink(), leaving only the queue reference.
bt_accept_unlink() drops the queue reference. The subsequent
sock_hold() therefore accesses freed memory if... | ```diff
diff --git a/net/bluetooth/af_bluetooth.c b/net/bluetooth/af_bluetooth.c
index bcbc11c9cb15..a2290ffdc2c1 100644
--- a/net/bluetooth/af_bluetooth.c
+++ b/net/bluetooth/af_bluetooth.c
@@ -305,7 +305,7 @@ struct sock *bt_accept_dequeue(struct sock *parent, struct socket *newsock)
restart:
for (sk = bt_accept... |
bb067a99a0356196c0b89a95721985485ebce5a5 | Analyze and fix the following issue in the Linux kernel code: Bluetooth: bnep: pin L2CAP connection during netdev registration | Problem Details:
bnep_add_connection() reads the L2CAP connection without holding the
channel lock, then passes its HCI device to register_netdev(). Controller
teardown can clear and release that connection concurrently, leaving the
network device registration path to dereference a freed parent device.
Take a referenc... | ```diff
diff --git a/net/bluetooth/bnep/core.c b/net/bluetooth/bnep/core.c
index add9a8f7535d..f7d88c33e23e 100644
--- a/net/bluetooth/bnep/core.c
+++ b/net/bluetooth/bnep/core.c
@@ -559,14 +559,18 @@ static int bnep_session(void *arg)
return 0;
}
-static struct device *bnep_get_device(struct bnep_session *session... |
0f8a5dcc66648b6e1458a9f3ba4c5a0463a228fc | Analyze and fix the following issue in the Linux kernel code: Bluetooth: sco: Fix a race condition in sco_sock_timeout() | Problem Details:
sco_sock_timeout() runs asynchronously and lock_sock(sk). If the socket
is closing while the timer is running, it holds the same lock
(lock_sock(sk)) twice, leading to a deadlock.
CPU 0 CPU 1
==================== ======================
sco_sock_close()
... | ```diff
diff --git a/net/bluetooth/sco.c b/net/bluetooth/sco.c
index fcc597be5bbd..c05f79b7aa31 100644
--- a/net/bluetooth/sco.c
+++ b/net/bluetooth/sco.c
@@ -570,10 +570,23 @@ static void __sco_sock_close(struct sock *sk)
/* Must be called on unlocked socket. */
static void sco_sock_close(struct sock *sk)
{
+ struc... |
384a4b2fef9ffe5e270ee5558975c0504881c5fb | Analyze and fix the following issue in the Linux kernel code: Bluetooth: MGMT: Fix adv monitor add failure cleanup | Problem Details:
hci_add_adv_monitor() publishes a new adv_monitor in
hdev->adv_monitors_idr before the powered MSFT setup step. The MSFT
offload add path can then fail either locally before the controller add
command completes, or in the MSFT add callback. In the current queued
management add flow, hci_cmd_sync_work()... | ```diff
diff --git a/net/bluetooth/mgmt.c b/net/bluetooth/mgmt.c
index dc55763f9e58..733a4b70e10c 100644
--- a/net/bluetooth/mgmt.c
+++ b/net/bluetooth/mgmt.c
@@ -5375,6 +5375,8 @@ static void mgmt_add_adv_patterns_monitor_complete(struct hci_dev *hdev,
if (monitor->state == ADV_MONITOR_STATE_NOT_REGISTERED)
mon... |
518aa9505fa10ea5662349e5d2efd8c9e32a820b | Analyze and fix the following issue in the Linux kernel code: Bluetooth: 6lowpan: hold L2CAP conn across debugfs control | Problem Details:
get_l2cap_conn() looks up an LE hci_conn under hdev protection, but
then drops that protection before reading hcon->l2cap_data and before
lowpan_control_write() later dereferences conn->hcon. A disconnect or
device close can tear down the same L2CAP connection in that window.
The buggy scenario invol... | ```diff
diff --git a/net/bluetooth/6lowpan.c b/net/bluetooth/6lowpan.c
index c4b0a4048be2..e7be18a3af33 100644
--- a/net/bluetooth/6lowpan.c
+++ b/net/bluetooth/6lowpan.c
@@ -1017,16 +1017,19 @@ static int get_l2cap_conn(char *buf, bdaddr_t *addr, u8 *addr_type,
hci_dev_lock(hdev);
hcon = hci_conn_hash_lookup_le(... |
352a59dc1f4a41314b6f827c17e16af7ca88271a | Analyze and fix the following issue in the Linux kernel code: Bluetooth: 6lowpan: avoid untracked enable work | Problem Details:
lowpan_enable_set() allocates a temporary work item and schedules
do_enable_set() on system_wq, then returns to debugfs. The debugfs active
operation has ended at that point, but the worker still executes module
text and manipulates enable_6lowpan and listen_chan.
bt_6lowpan_exit() removes the debugfs... | ```diff
diff --git a/net/bluetooth/6lowpan.c b/net/bluetooth/6lowpan.c
index 962e0e885105..c4b0a4048be2 100644
--- a/net/bluetooth/6lowpan.c
+++ b/net/bluetooth/6lowpan.c
@@ -1081,23 +1081,15 @@ done:
} while (nchans);
}
-struct set_enable {
- struct work_struct work;
- bool flag;
-};
-
-static void do_enable_set(... |
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