id stringlengths 40 40 | instruction stringlengths 68 308 | input stringlengths 17 33.4k | output stringlengths 100 30k |
|---|---|---|---|
735ee8582da3d239eb0c7a53adca61b79fb228b3 | Analyze and fix the following issue in the Linux kernel code: netfilter: xt_tcpmss: check remaining length before reading optlen | Problem Details:
Quoting reporter:
In net/netfilter/xt_tcpmss.c (lines 53-68), the TCP option parser reads
op[i+1] directly without validating the remaining option length.
If the last byte of the option field is not EOL/NOP (0/1), the code attempts
to index op[i+1]. In the case where i + 1 == optlen, this cause... | ```diff
diff --git a/net/netfilter/xt_tcpmss.c b/net/netfilter/xt_tcpmss.c
index 37704ab01799..0d32d4841cb3 100644
--- a/net/netfilter/xt_tcpmss.c
+++ b/net/netfilter/xt_tcpmss.c
@@ -61,7 +61,7 @@ tcpmss_mt(const struct sk_buff *skb, struct xt_action_param *par)
return (mssval >= info->mss_min &&
mssval <= inf... |
de8a70cefcb26cdceaafdc5ac144712681419c29 | Analyze and fix the following issue in the Linux kernel code: netfilter: nf_conncount: fix tracking of connections from localhost | Problem Details:
Since commit be102eb6a0e7 ("netfilter: nf_conncount: rework API to use
sk_buff directly"), we skip the adding and trigger a GC when the ct is
confirmed. For connections originated from local to local it doesn't
work because the connection is confirmed on POSTROUTING, therefore
tracking on the INPUT hoo... | ```diff
diff --git a/net/netfilter/nf_conncount.c b/net/netfilter/nf_conncount.c
index 288936f5c1bf..14e62b3263cd 100644
--- a/net/netfilter/nf_conncount.c
+++ b/net/netfilter/nf_conncount.c
@@ -179,14 +179,25 @@ static int __nf_conncount_add(struct net *net,
return -ENOENT;
if (ct && nf_ct_is_confirmed(ct)) {
-... |
cda26c645946b08f070f20c166d4736767e4a805 | Analyze and fix the following issue in the Linux kernel code: netfilter: nft_compat: add more restrictions on netlink attributes | Problem Details:
As far as I can see nothing bad can happen when NFTA_TARGET/MATCH_NAME
are too large because this calls x_tables helpers which check for the
length, but it seems better to already reject it during netlink parsing.
Rest of the changes avoid silent u8/u16 truncations.
For _TYPE, its expected to be only... | ```diff
diff --git a/net/netfilter/nft_compat.c b/net/netfilter/nft_compat.c
index 72711d62fddf..08f620311b03 100644
--- a/net/netfilter/nft_compat.c
+++ b/net/netfilter/nft_compat.c
@@ -134,7 +134,8 @@ static void nft_target_eval_bridge(const struct nft_expr *expr,
}
static const struct nla_policy nft_target_polic... |
21d033e472735ecec677f1ae46d6740b5e47a4f3 | Analyze and fix the following issue in the Linux kernel code: netfilter: nf_conncount: increase the connection clean up limit to 64 | Problem Details:
After the optimization to only perform one GC per jiffy, a new problem
was introduced. If more than 8 new connections are tracked per jiffy the
list won't be cleaned up fast enough possibly reaching the limit
wrongly.
In order to prevent this issue, only skip the GC if it was already
triggered during ... | ```diff
diff --git a/include/net/netfilter/nf_conntrack_count.h b/include/net/netfilter/nf_conntrack_count.h
index 52a06de41aa0..cf0166520cf3 100644
--- a/include/net/netfilter/nf_conntrack_count.h
+++ b/include/net/netfilter/nf_conntrack_count.h
@@ -13,6 +13,7 @@ struct nf_conncount_list {
u32 last_gc; /* jiffies a... |
6f93616a7323d646d18db9c09f147e453b40fdd7 | Analyze and fix the following issue in the Linux kernel code: netfilter: nf_tables: reset table validation state on abort | Problem Details:
If a transaction fails the final validation in the commit hook, the table
validation state is changed to NFT_VALIDATE_DO and a replay of the batch is
performed. Every rule insert will then do a graph validation.
This is much slower, but provides better error reporting to the user
because we can point... | ```diff
diff --git a/net/netfilter/nf_tables_api.c b/net/netfilter/nf_tables_api.c
index 729a92781a1a..027bab30c238 100644
--- a/net/netfilter/nf_tables_api.c
+++ b/net/netfilter/nf_tables_api.c
@@ -11536,6 +11536,13 @@ static int nf_tables_abort(struct net *net, struct sk_buff *skb,
ret = __nf_tables_abort(net, acti... |
9adfb1ba701494aea216ee5c45ed9a1929398102 | Analyze and fix the following issue in the Linux kernel code: media: iris: Change psc properties message to debug level | Problem Details:
The message for attempting to set already configured input or output
parameter subscribe change properties is not an error condition.
Move it from error to debug level and make it more descriptive by
indicating which specific input or output psc was already set.
Signed-off-by: Vishnu Reddy <busanna.re... | ```diff
diff --git a/drivers/media/platform/qcom/iris/iris_hfi_gen2_command.c b/drivers/media/platform/qcom/iris/iris_hfi_gen2_command.c
index df31f452b69b..5db00f8a5e06 100644
--- a/drivers/media/platform/qcom/iris/iris_hfi_gen2_command.c
+++ b/drivers/media/platform/qcom/iris/iris_hfi_gen2_command.c
@@ -813,7 +813,7 ... |
3f9b5c1ccd4484086b5ad51ed05c5d94ecaab7d3 | Analyze and fix the following issue in the Linux kernel code: media: iris: Document difference in size during allocation | Problem Details:
As we get ready for kzalloc checking for invalid sizes, let's add
documentation for the cases where the size is different but valid.
This patch fixes this cocci warning:
./platform/qcom/iris/iris_hfi_gen2_command.c:1215:9-25: WARNING: casting value returned by memory allocation function to (struct iri... | ```diff
diff --git a/drivers/media/platform/qcom/iris/iris_hfi_gen2_command.c b/drivers/media/platform/qcom/iris/iris_hfi_gen2_command.c
index c75c8b9398a2..df31f452b69b 100644
--- a/drivers/media/platform/qcom/iris/iris_hfi_gen2_command.c
+++ b/drivers/media/platform/qcom/iris/iris_hfi_gen2_command.c
@@ -1296,5 +1296,... |
4b11f2336e23d5c55b76591bd8ac39b059f68ad0 | Analyze and fix the following issue in the Linux kernel code: platform/x86: acer-wmi: Fix missing capability check | Problem Details:
During the rework of the fan behavior control code in commit
d8e8362b09d3 ("platform/x86: acer-wmi: Fix setting of fan behavior"),
acer_toggle_turbo() was changed to use WMID_gaming_set_fan_behavior()
instead of WMID_gaming_set_u64() when switching the fans to turbo
mode. The new function however does ... | ```diff
diff --git a/drivers/platform/x86/acer-wmi.c b/drivers/platform/x86/acer-wmi.c
index 54ca3edf532a..e0eaaefb13d0 100644
--- a/drivers/platform/x86/acer-wmi.c
+++ b/drivers/platform/x86/acer-wmi.c
@@ -2070,7 +2070,8 @@ static int acer_toggle_turbo(void)
WMID_gaming_set_u64(0x1, ACER_CAP_TURBO_LED);
/* Set... |
01f31c2fffae7550ec3bd392256b2566f9233834 | Analyze and fix the following issue in the Linux kernel code: platform/x86: asus-armoury: keep the list ordered alphabetically | Problem Details:
Model GA403WM appears after GA403WR breaking the alphabetical order:
swap theirs position.
Fixes: f5fc40734b0f ("platform/x86: asus-armoury: add support for GA403WM")
Signed-off-by: Denis Benato <denis.benato@linux.dev>
Link: https://patch.msgid.link/20260116180637.859803-4-denis.benato@linux.dev
Revi... | ```diff
diff --git a/drivers/platform/x86/asus-armoury.h b/drivers/platform/x86/asus-armoury.h
index 3efb4b4d0d22..c67942010869 100644
--- a/drivers/platform/x86/asus-armoury.h
+++ b/drivers/platform/x86/asus-armoury.h
@@ -957,7 +957,7 @@ static const struct dmi_system_id power_limits[] = {
},
{
.matches = {
- ... |
43098a53939e98e6c8191db4bac3c7ef9eed503c | Analyze and fix the following issue in the Linux kernel code: platform/x86: asus-armoury: fix ppt data for FA608UM | Problem Details:
ppt_pl3_fppt_def and ppt_pl3_fppt_max are wrong: correct it.
Fixes: a22d893f490d ("platform/x86: asus-armoury: add support for FA608UM")
Signed-off-by: Denis Benato <denis.benato@linux.dev>
Link: https://patch.msgid.link/20260116180637.859803-2-denis.benato@linux.dev
Reviewed-by: Ilpo Järvinen <ilpo.j... | ```diff
diff --git a/drivers/platform/x86/asus-armoury.h b/drivers/platform/x86/asus-armoury.h
index 0063c64a7860..710eef74cdb7 100644
--- a/drivers/platform/x86/asus-armoury.h
+++ b/drivers/platform/x86/asus-armoury.h
@@ -611,8 +611,8 @@ static const struct dmi_system_id power_limits[] = {
.ppt_pl2_sppt_def = 54,... |
467d4afc6caa64b84a6db1634f8091e931f4a7cb | Analyze and fix the following issue in the Linux kernel code: platform/x86: hp-bioscfg: Fix automatic module loading | Problem Details:
hp-bioscfg has a MODULE_DEVICE_TABLE with a GUID in it that looks
plausible, but the module doesn't automatically load on applicable
systems.
This is because the GUID has some lower case characters and so it
doesn't match the modalias during boot. Update the GUIDs to be all
uppercase.
Cc: stable@vger... | ```diff
diff --git a/drivers/platform/x86/hp/hp-bioscfg/bioscfg.h b/drivers/platform/x86/hp/hp-bioscfg/bioscfg.h
index 6b6748e4be21..f1eec0e4ba07 100644
--- a/drivers/platform/x86/hp/hp-bioscfg/bioscfg.h
+++ b/drivers/platform/x86/hp/hp-bioscfg/bioscfg.h
@@ -57,14 +57,14 @@ enum mechanism_values {
#define PASSWD_MEC... |
10dc959398175736e495f71c771f8641e1ca1907 | Analyze and fix the following issue in the Linux kernel code: io_uring/io-wq: check IO_WQ_BIT_EXIT inside work run loop | Problem Details:
Currently this is checked before running the pending work. Normally this
is quite fine, as work items either end up blocking (which will create a
new worker for other items), or they complete fairly quickly. But syzbot
reports an issue where io-wq takes seemingly forever to exit, and with a
bit of debu... | ```diff
diff --git a/io_uring/io-wq.c b/io_uring/io-wq.c
index 9fd9f6ab722c..2fa7d3601edb 100644
--- a/io_uring/io-wq.c
+++ b/io_uring/io-wq.c
@@ -598,9 +598,9 @@ static void io_worker_handle_work(struct io_wq_acct *acct,
__releases(&acct->lock)
{
struct io_wq *wq = worker->wq;
- bool do_kill = test_bit(IO_WQ_BIT_... |
25150715e0b049b99df664daf05dab12f41c3e13 | Analyze and fix the following issue in the Linux kernel code: platform/x86: hp-bioscfg: Fix kernel panic in GET_INSTANCE_ID macro | Problem Details:
The GET_INSTANCE_ID macro that caused a kernel panic when accessing sysfs
attributes:
1. Off-by-one error: The loop condition used '<=' instead of '<',
causing access beyond array bounds. Since array indices are 0-based
and go from 0 to instances_count-1, the loop should use '<'.
2. Missing NUL... | ```diff
diff --git a/drivers/platform/x86/hp/hp-bioscfg/bioscfg.h b/drivers/platform/x86/hp/hp-bioscfg/bioscfg.h
index 3166ef328eba..6b6748e4be21 100644
--- a/drivers/platform/x86/hp/hp-bioscfg/bioscfg.h
+++ b/drivers/platform/x86/hp/hp-bioscfg/bioscfg.h
@@ -10,6 +10,7 @@
#include <linux/wmi.h>
#include <linux/type... |
1a0f69e3c28477b97d3609569b7e8feb4b6162e8 | Analyze and fix the following issue in the Linux kernel code: drm/bridge: synopsys: dw-dp: fix error paths of dw_dp_bind | Problem Details:
Fix several issues in dw_dp_bind() error handling:
1. Missing return after drm_bridge_attach() failure - the function
continued execution instead of returning an error.
2. Resource leak: drm_dp_aux_register() is not a devm function, so
drm_dp_aux_unregister() must be called on all error paths a... | ```diff
diff --git a/drivers/gpu/drm/bridge/synopsys/dw-dp.c b/drivers/gpu/drm/bridge/synopsys/dw-dp.c
index 82aaf74e1bc0..432342452484 100644
--- a/drivers/gpu/drm/bridge/synopsys/dw-dp.c
+++ b/drivers/gpu/drm/bridge/synopsys/dw-dp.c
@@ -2062,33 +2062,41 @@ struct dw_dp *dw_dp_bind(struct device *dev, struct drm_encod... |
6ea258d1f6895c61af212473b51477d39b8c99d2 | Analyze and fix the following issue in the Linux kernel code: fs/namei: fix kernel-doc markup for dentry_create | Problem Details:
O_ is interpreted as a broken hyperlink target. Escape _ with a backslash.
The asterisk in "struct file *" is interpreted as an opening emphasis
string that never closes. Replace double quotes with rST backticks.
Change "a ERR_PTR" to "an ERR_PTR".
Signed-off-by: Jay Winston <jaybenjaminwinston@gmai... | ```diff
diff --git a/fs/namei.c b/fs/namei.c
index aefb21bc0944..45dd897a0393 100644
--- a/fs/namei.c
+++ b/fs/namei.c
@@ -4939,7 +4939,7 @@ EXPORT_SYMBOL(start_creating_user_path);
/**
* dentry_create - Create and open a file
* @path: path to create
- * @flags: O_ flags
+ * @flags: O\_ flags
* @mode: mode bits ... |
a4b4385d0523e39a7c058cb5a6c8269e513126ca | Analyze and fix the following issue in the Linux kernel code: drm: of: drm_of_panel_bridge_remove(): fix device_node leak | Problem Details:
drm_of_panel_bridge_remove() uses of_graph_get_remote_node() to get a
device_node but does not put the node reference.
Fixes: c70087e8f16f ("drm/drm_of: add drm_of_panel_bridge_remove function")
Cc: stable@vger.kernel.org # v4.15
Acked-by: Maxime Ripard <mripard@kernel.org>
Link: https://patch.msgid.l... | ```diff
diff --git a/include/drm/drm_of.h b/include/drm/drm_of.h
index 7f0256dae3f1..f3e55ea2174c 100644
--- a/include/drm/drm_of.h
+++ b/include/drm/drm_of.h
@@ -5,6 +5,7 @@
#include <linux/err.h>
#include <linux/of_graph.h>
#if IS_ENABLED(CONFIG_OF) && IS_ENABLED(CONFIG_DRM_PANEL_BRIDGE)
+#include <linux/of.h>
#i... |
3317785a8803db629efc759d811d0f589d3a0b2d | Analyze and fix the following issue in the Linux kernel code: s390/ap: Fix wrong APQN fill calculation | Problem Details:
The upper limit of the firmware queue fill state for each APQN
is reported by the hwinfo.qd field. This field shows the
numbers 0-7 for 1-8 queue spaces available. But the exploiting
code assumed the real boundary is stored there and thus stoppes
queuing in messages one tick too early.
Correct the lim... | ```diff
diff --git a/drivers/s390/crypto/ap_card.c b/drivers/s390/crypto/ap_card.c
index 8102c8134c49..8b0ad6f582ec 100644
--- a/drivers/s390/crypto/ap_card.c
+++ b/drivers/s390/crypto/ap_card.c
@@ -43,7 +43,7 @@ static ssize_t depth_show(struct device *dev, struct device_attribute *attr,
{
struct ap_card *ac = to_a... |
2c73cfd0cfc44ffe331ccb81f6ac45fc399d9ddb | Analyze and fix the following issue in the Linux kernel code: media: iris: Prevent output buffer queuing before stream-on completes | Problem Details:
During normal playback, stream-on for input is followed by output, and
only after input stream-on does actual streaming begin. However, when
gst-play performs a seek, both input and output streams are stopped,
and on restart, output stream-on occurs first. At this point, firmware
has not yet started st... | ```diff
diff --git a/drivers/media/platform/qcom/iris/iris_vb2.c b/drivers/media/platform/qcom/iris/iris_vb2.c
index 139b821f7952..bf0b8400996e 100644
--- a/drivers/media/platform/qcom/iris/iris_vb2.c
+++ b/drivers/media/platform/qcom/iris/iris_vb2.c
@@ -193,10 +193,14 @@ int iris_vb2_start_streaming(struct vb2_queue *... |
9aa8d63d09cfc44d879427cc5ba308012ca4ab8e | Analyze and fix the following issue in the Linux kernel code: media: iris: gen2: Add sanity check for session stop | Problem Details:
In iris_kill_session, inst->state is set to IRIS_INST_ERROR and
session_close is executed, which will kfree(inst_hfi_gen2->packet).
If stop_streaming is called afterward, it will cause a crash.
Add a NULL check for inst_hfi_gen2->packet before sendling STOP packet
to firmware to fix that.
Fixes: 1171... | ```diff
diff --git a/drivers/media/platform/qcom/iris/iris_hfi_gen2_command.c b/drivers/media/platform/qcom/iris/iris_hfi_gen2_command.c
index b492d9dfddd3..c75c8b9398a2 100644
--- a/drivers/media/platform/qcom/iris/iris_hfi_gen2_command.c
+++ b/drivers/media/platform/qcom/iris/iris_hfi_gen2_command.c
@@ -1036,6 +1036,... |
1dabf00ee206eceb0f08a1fe5d1ce635f9064338 | Analyze and fix the following issue in the Linux kernel code: media: iris: gen1: Destroy internal buffers after FW releases | Problem Details:
After the firmware releases internal buffers, the driver was not
destroying them. This left stale allocations that were no longer used,
especially across resolution changes where new buffers are allocated per
the updated requirements. As a result, memory was wasted until session
close.
Destroy interna... | ```diff
diff --git a/drivers/media/platform/qcom/iris/iris_hfi_gen1_command.c b/drivers/media/platform/qcom/iris/iris_hfi_gen1_command.c
index 1c107daca9e8..11815f6f5bac 100644
--- a/drivers/media/platform/qcom/iris/iris_hfi_gen1_command.c
+++ b/drivers/media/platform/qcom/iris/iris_hfi_gen1_command.c
@@ -441,6 +441,8 ... |
811dbc546f47559dc9d2098c612acfd47e32479e | Analyze and fix the following issue in the Linux kernel code: media: iris: Skip resolution set on first IPSC | Problem Details:
The resolution property is not supposed to be set during reconfig.
Existing iris_drc_pending(inst) check is insufficient, as it doesn't
cover the first port setting change.
Extend the conditional check to also skip resolution setting when
the instance is in IRIS_INST_SUB_FIRST_IPSC.
Fixes: caf2055487... | ```diff
diff --git a/drivers/media/platform/qcom/iris/iris_hfi_gen1_command.c b/drivers/media/platform/qcom/iris/iris_hfi_gen1_command.c
index b6261d186d21..1c107daca9e8 100644
--- a/drivers/media/platform/qcom/iris/iris_hfi_gen1_command.c
+++ b/drivers/media/platform/qcom/iris/iris_hfi_gen1_command.c
@@ -733,7 +733,7 ... |
2d0bbd982dfdd67da488a772f7a8a1bdca7642bf | Analyze and fix the following issue in the Linux kernel code: media: iris: Add buffer to list only after successful allocation | Problem Details:
Move `list_add_tail()` to after `dma_alloc_attrs()` succeeds when creating
internal buffers. Previously, the buffer was enqueued in `buffers->list`
before the DMA allocation. If the allocation failed, the function returned
`-ENOMEM` while leaving a partially initialized buffer in the list, which
could ... | ```diff
diff --git a/drivers/media/platform/qcom/iris/iris_buffer.c b/drivers/media/platform/qcom/iris/iris_buffer.c
index b89b1ee06cce..f1f003a787bf 100644
--- a/drivers/media/platform/qcom/iris/iris_buffer.c
+++ b/drivers/media/platform/qcom/iris/iris_buffer.c
@@ -351,12 +351,15 @@ static int iris_create_internal_buf... |
bbef55f414100853d5bcea56a41f8b171bac8fcb | Analyze and fix the following issue in the Linux kernel code: media: iris: Add missing platform data entries for SM8750 | Problem Details:
Two platform-data fields for SM8750 were missed:
- get_vpu_buffer_size = iris_vpu33_buf_size
Without this, the driver fails to allocate the required internal
buffers, leading to basic decode/encode failures during session
bring-up.
- max_core_mbps = ((7680 * 4320) / 256) * 60
With... | ```diff
diff --git a/drivers/media/platform/qcom/iris/iris_platform_gen2.c b/drivers/media/platform/qcom/iris/iris_platform_gen2.c
index b2d8559dd2b8..c932dc026616 100644
--- a/drivers/media/platform/qcom/iris/iris_platform_gen2.c
+++ b/drivers/media/platform/qcom/iris/iris_platform_gen2.c
@@ -1056,6 +1056,7 @@ const s... |
8fc707d13df517222db12b465af4aa9df05c99e1 | Analyze and fix the following issue in the Linux kernel code: media: iris: remove v4l2_m2m_ioctl_{de,en}coder_cmd API usage during STOP handling | Problem Details:
Currently v4l2_m2m_ioctl_{de,enc}coder_cmd is being invoked during STOP
command handling. However, this is not required as the iris driver has
its own drain and stop handling mechanism in place.
Using the m2m command API in this context leads to incorrect behavior,
where the LAST flag is prematurely a... | ```diff
diff --git a/drivers/media/platform/qcom/iris/iris_vidc.c b/drivers/media/platform/qcom/iris/iris_vidc.c
index dfd94f4a84a9..bd38d84c9cc7 100644
--- a/drivers/media/platform/qcom/iris/iris_vidc.c
+++ b/drivers/media/platform/qcom/iris/iris_vidc.c
@@ -573,9 +573,10 @@ static int iris_dec_cmd(struct file *filp, v... |
4980721cb97d6c47700ab61a048ac8819cfeec87 | Analyze and fix the following issue in the Linux kernel code: media: iris: use fallback size when S_FMT is called without width/height | Problem Details:
According to 4.5.1.5 of the M2M stateful decoder UAPI documentation,
providing the width and the height to S_FMT is "required only if it
cannot be parsed from the stream", otherwise they can be left as 0
and the S_FMT implementation is expected to return a valid placeholder
resolution that would let RE... | ```diff
diff --git a/drivers/media/platform/qcom/iris/iris_vdec.c b/drivers/media/platform/qcom/iris/iris_vdec.c
index bf7b9c621cb7..467d00044a2f 100644
--- a/drivers/media/platform/qcom/iris/iris_vdec.c
+++ b/drivers/media/platform/qcom/iris/iris_vdec.c
@@ -216,6 +216,14 @@ int iris_vdec_s_fmt(struct iris_inst *inst, ... |
71fe80364a6584f404556ac9a6a4aca4ab80fb5b | Analyze and fix the following issue in the Linux kernel code: media: iris: Fix fps calculation | Problem Details:
iris_venc_s_param() uses do_div to divide two 64 bits operators, this is
wrong. Luckily for us, both of the operators fit in 32 bits, so we can use
a normal division.
Now that we are at it, mark the fps smaller than 1 as invalid, the code
does not seem to handle them properly.
The following cocci war... | ```diff
diff --git a/drivers/media/platform/qcom/iris/iris_venc.c b/drivers/media/platform/qcom/iris/iris_venc.c
index 5830eba93c68..0ed5018f9fe3 100644
--- a/drivers/media/platform/qcom/iris/iris_venc.c
+++ b/drivers/media/platform/qcom/iris/iris_venc.c
@@ -382,8 +382,7 @@ int iris_venc_s_param(struct iris_inst *inst,... |
89f7cf35901138d9828d981ce64c131a3da6e867 | Analyze and fix the following issue in the Linux kernel code: media: iris: Fix ffmpeg corrupted frame error | Problem Details:
When the ffmpeg decoder is running, the driver receives the
V4L2_BUF_FLAG_KEYFRAME flag in the input buffer. The driver then forwards
this flag information to the firmware. The firmware, in turn, copies the
input buffer flags directly into the output buffer flags. Upon receiving
the output buffer from ... | ```diff
diff --git a/drivers/media/platform/qcom/iris/iris_hfi_gen1_command.c b/drivers/media/platform/qcom/iris/iris_hfi_gen1_command.c
index 52da7ef7bab0..b6261d186d21 100644
--- a/drivers/media/platform/qcom/iris/iris_hfi_gen1_command.c
+++ b/drivers/media/platform/qcom/iris/iris_hfi_gen1_command.c
@@ -282,7 +282,7 ... |
370e19042fb8ac68109f8bdb0fdd8118baf39318 | Analyze and fix the following issue in the Linux kernel code: Revert "media: iris: Add sanity check for stop streaming" | Problem Details:
This reverts commit ad699fa78b59241c9d71a8cafb51525f3dab04d4.
Revert the check that skipped stop_streaming when the instance was in
IRIS_INST_ERROR, as it caused multiple regressions:
1. Buffers were not returned to vb2 when the instance was already in
error state, triggering warnings in the vb2 c... | ```diff
diff --git a/drivers/media/platform/qcom/iris/iris_vb2.c b/drivers/media/platform/qcom/iris/iris_vb2.c
index db8768d8a8f6..139b821f7952 100644
--- a/drivers/media/platform/qcom/iris/iris_vb2.c
+++ b/drivers/media/platform/qcom/iris/iris_vb2.c
@@ -231,8 +231,6 @@ void iris_vb2_stop_streaming(struct vb2_queue *q)... |
9210f5ff6318163835d9e42ee68006be4da0f531 | Analyze and fix the following issue in the Linux kernel code: ASoC: fsl: imx-card: Do not force slot width to sample width | Problem Details:
imx-card currently sets the slot width to the physical sample width
for I2S links. This breaks controllers that use fixed-width slots
(e.g. 32-bit FIFO words), causing the unused bits in the slot to
contain undefined data when playing 16-bit streams.
Do not override the slot width in the machine drive... | ```diff
diff --git a/sound/soc/fsl/imx-card.c b/sound/soc/fsl/imx-card.c
index 28699d7b75ca..05b4e971a366 100644
--- a/sound/soc/fsl/imx-card.c
+++ b/sound/soc/fsl/imx-card.c
@@ -346,7 +346,6 @@ static int imx_aif_hw_params(struct snd_pcm_substream *substream,
SND_SOC_DAIFMT_PDM;
} else {
slots = 2;
- ... |
63c072e2937e6c9995df1b6a28523ed2ae68d364 | Analyze and fix the following issue in the Linux kernel code: media: venus: vdec: restrict EOS addr quirk to IRIS2 only | Problem Details:
On SM8250 (IRIS2) with firmware older than 1.0.087, the firmware could
not handle a dummy device address for EOS buffers, so a NULL device
address is sent instead. The existing check used IS_V6() alongside a
firmware version gate:
if (IS_V6(core) && is_fw_rev_or_older(core, 1, 0, 87))
fdat... | ```diff
diff --git a/drivers/media/platform/qcom/venus/vdec.c b/drivers/media/platform/qcom/venus/vdec.c
index d0bd2d86a31f..4cd69440e875 100644
--- a/drivers/media/platform/qcom/venus/vdec.c
+++ b/drivers/media/platform/qcom/venus/vdec.c
@@ -565,7 +565,13 @@ vdec_decoder_cmd(struct file *file, void *fh, struct v4l2_de... |
93ecd6ee95c38cb533fa25f48d3c1c8cb69f410f | Analyze and fix the following issue in the Linux kernel code: media: venus: vdec: fix error state assignment for zero bytesused | Problem Details:
When hfi_session_flush is issued, all queued buffers are returned to
the V4L2 driver. Some of these buffers are not processed and have
bytesused = 0. Currently, the driver marks such buffers as error even
during drain operations, which can incorrectly flag EOS buffers.
Only capture buffers with zero p... | ```diff
diff --git a/drivers/media/platform/qcom/venus/vdec.c b/drivers/media/platform/qcom/venus/vdec.c
index 4a6641fdffcf..d0bd2d86a31f 100644
--- a/drivers/media/platform/qcom/venus/vdec.c
+++ b/drivers/media/platform/qcom/venus/vdec.c
@@ -1440,10 +1440,10 @@ static void vdec_buf_done(struct venus_inst *inst, unsign... |
930e69757b74c3ae083b0c3c7419bfe7f0edc7b2 | Analyze and fix the following issue in the Linux kernel code: ALSA: usb-audio: Fix use-after-free in snd_usb_mixer_free() | Problem Details:
When snd_usb_create_mixer() fails, snd_usb_mixer_free() frees
mixer->id_elems but the controls already added to the card still
reference the freed memory. Later when snd_card_register() runs,
the OSS mixer layer calls their callbacks and hits a use-after-free read.
Call trace:
get_ctl_value+0x63f/0x... | ```diff
diff --git a/sound/usb/mixer.c b/sound/usb/mixer.c
index 90917c6ea871..bfe15b1cb66c 100644
--- a/sound/usb/mixer.c
+++ b/sound/usb/mixer.c
@@ -2945,10 +2945,23 @@ static int parse_audio_unit(struct mixer_build *state, int unitid)
static void snd_usb_mixer_free(struct usb_mixer_interface *mixer)
{
+ struct u... |
53ed3d91a141f5c8b3bce45b0004fbbfefe77956 | Analyze and fix the following issue in the Linux kernel code: x86/segment: Use MOVL when reading segment registers | Problem Details:
Use MOVL when reading segment registers to avoid 0x66 operand-size override
insn prefix. The segment value is always 16-bit and gets zero-extended to the
full 32-bit size.
Example:
4e4: 66 8c c0 mov %es,%ax
4e7: 66 89 83 80 0b 00 00 mov %ax,0xb80(%rbx)
4e4: ... | ```diff
diff --git a/arch/x86/include/asm/segment.h b/arch/x86/include/asm/segment.h
index f59ae7186940..9f5be2bbd291 100644
--- a/arch/x86/include/asm/segment.h
+++ b/arch/x86/include/asm/segment.h
@@ -348,7 +348,7 @@ static inline void __loadsegment_fs(unsigned short value)
* Save a segment register away:
*/
#de... |
6be87fbb27763c2999e1c69bbec1f3a63cf05422 | Analyze and fix the following issue in the Linux kernel code: selftests/net: Add env for container based tests | Problem Details:
Add an env NetDrvContEnv for container based selftests. This automates
the setup of a netns, netkit pair with one inside the netns, and a BPF
program that forwards skbs from the NETIF host inside the container.
Currently only netkit is used, but other virtual netdevs e.g. veth can
be used too.
Expect... | ```diff
diff --git a/tools/testing/selftests/drivers/net/README.rst b/tools/testing/selftests/drivers/net/README.rst
index eb838ae94844..b94e81c2e030 100644
--- a/tools/testing/selftests/drivers/net/README.rst
+++ b/tools/testing/selftests/drivers/net/README.rst
@@ -62,6 +62,13 @@ LOCAL_V4, LOCAL_V6, REMOTE_V4, REMOTE_... |
61d99ce3dfc2f1ba5bf713093bb3a5faf5ebc2dc | Analyze and fix the following issue in the Linux kernel code: selftests/net: Add bpf skb forwarding program | Problem Details:
Add nk_forward.bpf.c, a BPF program that forwards skbs matching some IPv6
prefix received on eth0 ifindex to a specified netkit ifindex. This will
be needed by netkit container tests.
Signed-off-by: David Wei <dw@davidwei.uk>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
Acked-by: Stanislav Fo... | ```diff
diff --git a/tools/testing/selftests/drivers/net/hw/nk_forward.bpf.c b/tools/testing/selftests/drivers/net/hw/nk_forward.bpf.c
new file mode 100644
index 000000000000..86ebfc1445b6
--- /dev/null
+++ b/tools/testing/selftests/drivers/net/hw/nk_forward.bpf.c
@@ -0,0 +1,49 @@
+// SPDX-License-Identifier: GPL-2.0
+... |
122610220134b32c742cc056eaf64f7017ac8cd9 | Analyze and fix the following issue in the Linux kernel code: mmc: rtsx_pci_sdmmc: implement sdmmc_card_busy function | Problem Details:
rtsx_pci_sdmmc does not have an sdmmc_card_busy function, so any voltage
switches cause a kernel warning, "mmc0: cannot verify signal voltage
switch."
Copy the sdmmc_card_busy function from rtsx_pci_usb to rtsx_pci_sdmmc to
fix this.
Fixes: ff984e57d36e ("mmc: Add realtek pcie sdmmc host driver")
Sig... | ```diff
diff --git a/drivers/mmc/host/rtsx_pci_sdmmc.c b/drivers/mmc/host/rtsx_pci_sdmmc.c
index dc2587ff8519..4db3328f46df 100644
--- a/drivers/mmc/host/rtsx_pci_sdmmc.c
+++ b/drivers/mmc/host/rtsx_pci_sdmmc.c
@@ -1306,6 +1306,46 @@ out:
return err;
}
+static int sdmmc_card_busy(struct mmc_host *mmc)
+{
+ struct ... |
5f7be8afc40c5ccf1be0410514703e50a49532c0 | Analyze and fix the following issue in the Linux kernel code: drm/rockchip: dw_hdmi_qp: Fix RK3576 HPD interrupt handling | Problem Details:
The threaded interrupt handler on RK3576 checks HPD IRQ status before
deciding to continue with interrupt clearing and unmasking.
This is not only redundant, since a similar verification has been
already performed by the hard IRQ handler before masking the interrupt,
but is also error prone, because i... | ```diff
diff --git a/drivers/gpu/drm/rockchip/dw_hdmi_qp-rockchip.c b/drivers/gpu/drm/rockchip/dw_hdmi_qp-rockchip.c
index e91caae7e353..831d221bfd0d 100644
--- a/drivers/gpu/drm/rockchip/dw_hdmi_qp-rockchip.c
+++ b/drivers/gpu/drm/rockchip/dw_hdmi_qp-rockchip.c
@@ -280,12 +280,7 @@ static irqreturn_t dw_hdmi_qp_rk3576... |
c259cd7ea3c9ad369c473ba2385d82e3432088b1 | Analyze and fix the following issue in the Linux kernel code: revocable: fix missing module license and description | Problem Details:
Fix missing MODULE_LICENSE() and MODULE_DESCRIPTION() in the revocable
Kunit test module.
Reported-by: Mark Brown <broonie@kernel.org>
Closes: https://lore.kernel.org/all/aW6GNvuQVNCUcoy-@sirena.org.uk/
Fixes: cd7693419bb5 ("revocable: Add Kunit test cases")
Reviewed-by: Tzung-Bi Shih <tzungbi@kernel.... | ```diff
diff --git a/drivers/base/revocable_test.c b/drivers/base/revocable_test.c
index 28d46ce1ba0c..873a44082b6c 100644
--- a/drivers/base/revocable_test.c
+++ b/drivers/base/revocable_test.c
@@ -137,3 +137,6 @@ static struct kunit_suite revocable_test_suite = {
};
kunit_test_suite(revocable_test_suite);
+
+MODU... |
8a8c942cad4cd12f739a8bb60cac77fd173c4e07 | Analyze and fix the following issue in the Linux kernel code: gpio: cdev: Fix resource leaks on errors in gpiolib_cdev_register() | Problem Details:
On error handling paths, gpiolib_cdev_register() doesn't free the
allocated resources which results leaks. Fix it.
Cc: stable@vger.kernel.org
Fixes: 7b9b77a8bba9 ("gpiolib: add a per-gpio_device line state notification workqueue")
Fixes: d83cee3d2bb1 ("gpio: protect the pointer to gpio_chip in gpio_d... | ```diff
diff --git a/drivers/gpio/gpiolib-cdev.c b/drivers/gpio/gpiolib-cdev.c
index ed249a45d658..2adc3c070908 100644
--- a/drivers/gpio/gpiolib-cdev.c
+++ b/drivers/gpio/gpiolib-cdev.c
@@ -2797,13 +2797,18 @@ int gpiolib_cdev_register(struct gpio_device *gdev, dev_t devt)
return -ENOMEM;
ret = cdev_device_add(... |
f47872bed40ffee580ac772eefea94fab75b18d3 | Analyze and fix the following issue in the Linux kernel code: hinic3: Add .ndo_tx_timeout and .ndo_get_stats64 | Problem Details:
Implement following callback function:
.ndo_tx_timeout
.ndo_get_stats64
Use a work queue to trace tx_timeout callback and dump necessary
debug information.
Co-developed-by: Zhu Yikai <zhuyikai1@h-partners.com>
Signed-off-by: Zhu Yikai <zhuyikai1@h-partners.com>
Signed-off-by: Fan Gong <gongfan1@huawe... | ```diff
diff --git a/drivers/net/ethernet/huawei/hinic3/hinic3_hwdev.h b/drivers/net/ethernet/huawei/hinic3/hinic3_hwdev.h
index 3c15f22973fe..58bc561f95b3 100644
--- a/drivers/net/ethernet/huawei/hinic3/hinic3_hwdev.h
+++ b/drivers/net/ethernet/huawei/hinic3/hinic3_hwdev.h
@@ -17,6 +17,15 @@ enum hinic3_event_service_... |
e806f7dde8ba28bc72a7a0898589cac79f6362ac | Analyze and fix the following issue in the Linux kernel code: timekeeping: Adjust the leap state for the correct auxiliary timekeeper | Problem Details:
When __do_ajdtimex() was introduced to handle adjtimex for any
timekeeper, this reference to tk_core was not updated. When called on an
auxiliary timekeeper, the core timekeeper would be updated incorrectly.
This gets caught by the lock debugging diagnostics because the
timekeepers sequence lock gets ... | ```diff
diff --git a/kernel/time/timekeeping.c b/kernel/time/timekeeping.c
index 3ec3daa4acab..91fa2003351c 100644
--- a/kernel/time/timekeeping.c
+++ b/kernel/time/timekeeping.c
@@ -2735,7 +2735,7 @@ static int __do_adjtimex(struct tk_data *tkd, struct __kernel_timex *txc,
timekeeping_update_from_shadow(tkd, TK_CLO... |
98d5110f90ae0dbc5f2f13f033e06f6d57009e0d | Analyze and fix the following issue in the Linux kernel code: iommupt: Make it clearer to the compiler that pts.level == 0 for single page | Problem Details:
Older versions of gcc and clang sometimes get tripped up by the build time
assertion in FIELD_PREP because they can see that the argument to
FIELD_PREP is constant but can't see that the if condition protecting it
is also a constant false.
In file included from <command-line>:
In function 'amdv1... | ```diff
diff --git a/drivers/iommu/generic_pt/iommu_pt.h b/drivers/iommu/generic_pt/iommu_pt.h
index 3327116a441c..52ef028ed2db 100644
--- a/drivers/iommu/generic_pt/iommu_pt.h
+++ b/drivers/iommu/generic_pt/iommu_pt.h
@@ -645,7 +645,7 @@ static __always_inline int __do_map_single_page(struct pt_range *range,
struct ... |
c0a652a3d1970caa0023632ae3a4ea21991d2f1a | Analyze and fix the following issue in the Linux kernel code: iommu/amd: Remove unused variable in amd_iommufd_viommu_destroy() | Problem Details:
This fixes warning reported by 0-DAY CI Kernel Test Service.
Fixes: 757d2b1fdf5b ("iommu/amd: Introduce gDomID-to-hDomID Mapping and handle parent domain invalidation")
Reported-by: kernel test robot <lkp@intel.com>
Closes: https://lore.kernel.org/oe-kbuild-all/202601190634.bl7Mjx5Q-lkp@intel.com/
Sig... | ```diff
diff --git a/drivers/iommu/amd/iommufd.c b/drivers/iommu/amd/iommufd.c
index 2e50633d9c72..ad627fd5ccc7 100644
--- a/drivers/iommu/amd/iommufd.c
+++ b/drivers/iommu/amd/iommufd.c
@@ -59,7 +59,6 @@ int amd_iommufd_viommu_init(struct iommufd_viommu *viommu, struct iommu_domain *
static void amd_iommufd_viommu_de... |
8d76a7d89c12d08382b66e2f21f20d0627d14859 | Analyze and fix the following issue in the Linux kernel code: irqchip/gic-v3-its: Avoid truncating memory addresses | Problem Details:
On 32-bit machines with CONFIG_ARM_LPAE, it is possible for lowmem
allocations to be backed by addresses physical memory above the 32-bit
address limit, as found while experimenting with larger VMSPLIT
configurations.
This caused the qemu virt model to crash in the GICv3 driver, which
allocates the 'i... | ```diff
diff --git a/drivers/irqchip/irq-gic-v3-its.c b/drivers/irqchip/irq-gic-v3-its.c
index ada585bfa451..2988def30972 100644
--- a/drivers/irqchip/irq-gic-v3-its.c
+++ b/drivers/irqchip/irq-gic-v3-its.c
@@ -709,7 +709,7 @@ static struct its_collection *its_build_mapd_cmd(struct its_node *its,
struct its_cmd... |
b18247f9dab735c9c2d63823d28edc9011e7a1ad | Analyze and fix the following issue in the Linux kernel code: arm64: dts: rockchip: Do not enable hdmi_sound node on Pinebook Pro | Problem Details:
Remove the redundant enabling of the hdmi_sound node in the Pinebook Pro
board dts file, because the HDMI output is unused on this device. [1][2]
This change also eliminates the following kernel log warning, which is
caused by the unenabled dependent node of hdmi_sound that ultimately
results in the n... | ```diff
diff --git a/arch/arm64/boot/dts/rockchip/rk3399-pinebook-pro.dts b/arch/arm64/boot/dts/rockchip/rk3399-pinebook-pro.dts
index eaaca08a7601..a6ac89567baf 100644
--- a/arch/arm64/boot/dts/rockchip/rk3399-pinebook-pro.dts
+++ b/arch/arm64/boot/dts/rockchip/rk3399-pinebook-pro.dts
@@ -421,10 +421,6 @@
status = "... |
6742b998166485558ccb0e89b5d5fd93c1aae3ca | Analyze and fix the following issue in the Linux kernel code: arm64: dts: rockchip: Fix imx258 variant on pinephone pro | Problem Details:
imx258 had the driver updated a while back and it introduced
two variants, the imx258 and imx258-pdaf. The pinephone pro
is using the pdaf variant so this switches it to the correct
variant and eliminates the pdaf pixels from the sensor output
resulting in a much cleaner image.
Signed-off-by: Luis Gar... | ```diff
diff --git a/arch/arm64/boot/dts/rockchip/rk3399-pinephone-pro.dts b/arch/arm64/boot/dts/rockchip/rk3399-pinephone-pro.dts
index 141ab9850290..cee9e35d770e 100644
--- a/arch/arm64/boot/dts/rockchip/rk3399-pinephone-pro.dts
+++ b/arch/arm64/boot/dts/rockchip/rk3399-pinephone-pro.dts
@@ -451,7 +451,7 @@
status ... |
aebc29dec67aa998a9ea6d34aacba7b5c6a74d33 | Analyze and fix the following issue in the Linux kernel code: wifi: mac80211: apply advertised TTLM from association response | Problem Details:
When the AP has a disabled link that the station can include in the
association, the fact that the link is dormant needs to be advertised
in the TID to Link Mapping (TTLM). Section 35.3.7.2.3 ("Negotiation of
TTLM") of Draft P802.11REVmf_D1.0 also states that the mapping needs to
be included in the ass... | ```diff
diff --git a/net/mac80211/ieee80211_i.h b/net/mac80211/ieee80211_i.h
index 9d9313eee59f..bd573f8e61fb 100644
--- a/net/mac80211/ieee80211_i.h
+++ b/net/mac80211/ieee80211_i.h
@@ -451,8 +451,6 @@ struct ieee80211_mgd_assoc_data {
struct ieee80211_conn_settings conn;
u16 status;
-
- bool disabled;
} li... |
3f3d8ff31496874a69b131866f62474eb24ed20a | Analyze and fix the following issue in the Linux kernel code: wifi: mac80211: don't increment crypto_tx_tailroom_needed_cnt twice | Problem Details:
In reconfig, in case the driver asks to disconnect during the reconfig,
all the keys of the interface are marked as tainted.
Then ieee80211_reenable_keys will loop over all the interface keys, and
for each one it will
a) increment crypto_tx_tailroom_needed_cnt
b) call ieee80211_key_enable_hw_accel, whi... | ```diff
diff --git a/net/mac80211/key.c b/net/mac80211/key.c
index d5da7ccea66e..04c8809173d7 100644
--- a/net/mac80211/key.c
+++ b/net/mac80211/key.c
@@ -987,7 +987,8 @@ void ieee80211_reenable_keys(struct ieee80211_sub_if_data *sdata)
if (ieee80211_sdata_running(sdata)) {
list_for_each_entry(key, &sdata->key_l... |
5dc6975566f5d142ec53eb7e97af688c45dd314d | Analyze and fix the following issue in the Linux kernel code: wifi: mac80211: don't perform DA check on S1G beacon | Problem Details:
S1G beacons don't contain the DA field as per IEEE80211-2024 9.3.4.3,
so the DA broadcast check reads the SA address of the S1G beacon which
will subsequently lead to the beacon being dropped. As a result, passive
scanning is not possible. Fix this by only performing the check on
non-S1G beacons to all... | ```diff
diff --git a/net/mac80211/scan.c b/net/mac80211/scan.c
index 5ef315ed3b0f..4823c8d45639 100644
--- a/net/mac80211/scan.c
+++ b/net/mac80211/scan.c
@@ -347,8 +347,13 @@ void ieee80211_scan_rx(struct ieee80211_local *local, struct sk_buff *skb)
mgmt->da))
return;
} else {
- /* Beacons are expected ... |
d1c0978a7e7864fcaa7cdd562a8f938afcd2ad39 | Analyze and fix the following issue in the Linux kernel code: drm/tests: hdmi: fix build failure | Problem Details:
The commit ca59e33f5a1f ("drm/atomic: add max_size check to
drm_property_replace_blob_from_id()") added a new parameter to
drm_property_replace_blob_from_id(), however commit 7436a87db99d
("drm/tests: hdmi: check the infoframes behaviour") was based on the
older tree and used the old number of params (... | ```diff
diff --git a/drivers/gpu/drm/tests/drm_hdmi_state_helper_test.c b/drivers/gpu/drm/tests/drm_hdmi_state_helper_test.c
index 1c60947a13a1..13e405979e33 100644
--- a/drivers/gpu/drm/tests/drm_hdmi_state_helper_test.c
+++ b/drivers/gpu/drm/tests/drm_hdmi_state_helper_test.c
@@ -2779,7 +2779,7 @@ retry_conn_state:
... |
304c3ebcaff36560d76e3030ba0839e629635f47 | Analyze and fix the following issue in the Linux kernel code: pinctrl: th1520: Fix typo | Problem Details:
This fixes a simple typo in the TH1520 SPI0 for group3 pins:
QSPI0 is misspelled QSPI1.
Signed-off-by: Thomas Gerner <thomas.gerner@muenchen-mail.de>
Signed-off-by: Linus Walleij <linusw@kernel.org> | ```diff
diff --git a/drivers/pinctrl/pinctrl-th1520.c b/drivers/pinctrl/pinctrl-th1520.c
index e641bad6728c..83e9c9f77370 100644
--- a/drivers/pinctrl/pinctrl-th1520.c
+++ b/drivers/pinctrl/pinctrl-th1520.c
@@ -287,7 +287,7 @@ static const struct pinctrl_pin_desc th1520_group3_pins[] = {
TH1520_PAD(5, QSPI0_D0_MOSI,... |
7006477e7ff01ce9be7014f25049372450a8e17b | Analyze and fix the following issue in the Linux kernel code: arm64: STM32: drop an undefined Kconfig symbol | Problem Details:
Drop ARM_SMC_MBOX since it is not defined or used anywhere else
in the kernel source tree.
Fixes: 9e4e24414cc6 ("arm64: introduce STM32 family on Armv8 architecture")
Signed-off-by: Randy Dunlap <rdunlap@infradead.org>
Link: https://lore.kernel.org/r/20251230181429.3429404-1-rdunlap@infradead.org
Sign... | ```diff
diff --git a/arch/arm64/Kconfig.platforms b/arch/arm64/Kconfig.platforms
index fff14807c965..d8af5633341b 100644
--- a/arch/arm64/Kconfig.platforms
+++ b/arch/arm64/Kconfig.platforms
@@ -372,7 +372,6 @@ config ARCH_STM32
bool "STMicroelectronics STM32 SoC Family"
select GPIOLIB
select PINCTRL
- select ARM... |
6dad7fa8581e96321ec8a6a4f8160762466f539a | Analyze and fix the following issue in the Linux kernel code: drm/hisilicon/hibmc: Adding reset colorbar cfg in dp init. | Problem Details:
Add colorbar disable operation before reset chontroller, to make sure
colorbar status is clear in the DP init, so if rmmod the driver and the
previous colorbar configuration will not affect the next time insmod the
driver.
Fixes: 3c7623fb5bb6 ("drm/hisilicon/hibmc: Enable this hot plug detect of irq f... | ```diff
diff --git a/drivers/gpu/drm/hisilicon/hibmc/dp/dp_hw.c b/drivers/gpu/drm/hisilicon/hibmc/dp/dp_hw.c
index 8f8ca940b6b2..d5bd3c45649b 100644
--- a/drivers/gpu/drm/hisilicon/hibmc/dp/dp_hw.c
+++ b/drivers/gpu/drm/hisilicon/hibmc/dp/dp_hw.c
@@ -180,6 +180,8 @@ int hibmc_dp_hw_init(struct hibmc_dp *dp)
/* int in... |
0607052a6aee1e3d218a99fae70ba9f14b3b47ed | Analyze and fix the following issue in the Linux kernel code: drm/hisilicon/hibmc: fix no showing problem with loading hibmc manually | Problem Details:
When using command rmmod and insmod, there is no showing in second time
insmoding. Because DP controller won't send HPD signals, if connection
doesn't change or controller isn't reset. So add reset before unreset
in hibmc_dp_hw_init().
And also need to move the HDCP cfg after DP controller de-resets, ... | ```diff
diff --git a/drivers/gpu/drm/hisilicon/hibmc/dp/dp_hw.c b/drivers/gpu/drm/hisilicon/hibmc/dp/dp_hw.c
index 37549dafa06c..8f8ca940b6b2 100644
--- a/drivers/gpu/drm/hisilicon/hibmc/dp/dp_hw.c
+++ b/drivers/gpu/drm/hisilicon/hibmc/dp/dp_hw.c
@@ -177,13 +177,16 @@ int hibmc_dp_hw_init(struct hibmc_dp *dp)
dp_dev-... |
607805abfb747b98f43aa57d6d9ba4caed4d106f | Analyze and fix the following issue in the Linux kernel code: drm/hisilicon/hibmc: add dp mode valid check | Problem Details:
If DP is connected, check the DP BW in mode_valid_ctx() to ensure
that DP's link rate supports high-resolution data transmission.
Fixes: 0ab6ea261c1f ("drm/hisilicon/hibmc: add dp module in hibmc")
Signed-off-by: Baihan Li <libaihan@huawei.com>
Signed-off-by: Yongbang Shi <shiyongbang@huawei.com>
Revi... | ```diff
diff --git a/drivers/gpu/drm/hisilicon/hibmc/dp/dp_config.h b/drivers/gpu/drm/hisilicon/hibmc/dp/dp_config.h
index 08f9e1caf7fc..efb30a758475 100644
--- a/drivers/gpu/drm/hisilicon/hibmc/dp/dp_config.h
+++ b/drivers/gpu/drm/hisilicon/hibmc/dp/dp_config.h
@@ -17,5 +17,7 @@
#define HIBMC_DP_LINK_RATE_CAL 27
#d... |
3906e7a3b26d683868704fe262db443207f392fe | Analyze and fix the following issue in the Linux kernel code: drm/hisilicon/hibmc: fix dp probabilistical detect errors after HPD irq | Problem Details:
The issue is that drm_connector_helper_detect_from_ddc() returns wrong
status when plugging or unplugging the monitor, which may cause the link
failed err.[0] Use HPD pin status in DP's detect_ctx() for real physical
monitor in/out, and implement a complete DP detection including read DPCD,
check if it... | ```diff
diff --git a/drivers/gpu/drm/hisilicon/hibmc/dp/dp_comm.h b/drivers/gpu/drm/hisilicon/hibmc/dp/dp_comm.h
index 4add05c7f161..f9ee7ebfec55 100644
--- a/drivers/gpu/drm/hisilicon/hibmc/dp/dp_comm.h
+++ b/drivers/gpu/drm/hisilicon/hibmc/dp/dp_comm.h
@@ -40,6 +40,10 @@ struct hibmc_dp_dev {
struct mutex lock; /* ... |
6af62d12317f369f96b0f272e9e074372d09e89d | Analyze and fix the following issue in the Linux kernel code: drm/i915/cx0: Fix HDMI FRL clock rates | Problem Details:
HDMI FRL clock rates are incorrectly defined. Fix these
rates.
Signed-off-by: Mika Kahola <mika.kahola@intel.com>
Reviewed-by: Suraj Kandpal <suraj.kandpal@intel.com>
Link: https://patch.msgid.link/20260119093757.2850233-10-mika.kahola@intel.com | ```diff
diff --git a/drivers/gpu/drm/i915/display/intel_cx0_phy.c b/drivers/gpu/drm/i915/display/intel_cx0_phy.c
index 26d3d41d41a7..eda0e176b8be 100644
--- a/drivers/gpu/drm/i915/display/intel_cx0_phy.c
+++ b/drivers/gpu/drm/i915/display/intel_cx0_phy.c
@@ -1924,7 +1924,7 @@ static const struct intel_c20pll_state mtl_... |
cf0635d40af0029ed5f600f366a395df3c58a19b | Analyze and fix the following issue in the Linux kernel code: drm/i915/lt_phy: Create macro for LT PHY PLL state | Problem Details:
Create a macro for PLL state for LT PHY similar as
for cx0 case.
v2:
- Move addition of LT_PHY_PLL_DP/HDMI_PARAMS() to this patch.
- Fix end of table checking while looking up a table.
Signed-off-by: Mika Kahola <mika.kahola@intel.com>
Reviewed-by: Suraj Kandpal <suraj.kandpal@intel.com>
Link: https:... | ```diff
diff --git a/drivers/gpu/drm/i915/display/intel_lt_phy.c b/drivers/gpu/drm/i915/display/intel_lt_phy.c
index 48f644f417d2..a86ae6139ff0 100644
--- a/drivers/gpu/drm/i915/display/intel_lt_phy.c
+++ b/drivers/gpu/drm/i915/display/intel_lt_phy.c
@@ -437,15 +437,32 @@ static const struct intel_lt_phy_pll_state xe3p... |
70b3c280533167749a8f740acaa8ef720f78f984 | Analyze and fix the following issue in the Linux kernel code: gpio: cdev: Fix resource leaks on errors in lineinfo_changed_notify() | Problem Details:
On error handling paths, lineinfo_changed_notify() doesn't free the
allocated resources which results leaks. Fix it.
Cc: stable@vger.kernel.org
Fixes: d4cd0902c156 ("gpio: cdev: make sure the cdev fd is still active before emitting events")
Signed-off-by: Tzung-Bi Shih <tzungbi@kernel.org>
Link: http... | ```diff
diff --git a/drivers/gpio/gpiolib-cdev.c b/drivers/gpio/gpiolib-cdev.c
index 67cbb05d34ca..ed249a45d658 100644
--- a/drivers/gpio/gpiolib-cdev.c
+++ b/drivers/gpio/gpiolib-cdev.c
@@ -2549,6 +2549,7 @@ static int lineinfo_changed_notify(struct notifier_block *nb,
ctx = kzalloc(sizeof(*ctx), GFP_ATOMIC);
if (... |
faff6846474e99295a139997f93ef6db222b5cee | Analyze and fix the following issue in the Linux kernel code: gpio: cdev: Correct return code on memory allocation failure | Problem Details:
-ENOMEM is a more appropriate return code for memory allocation
failures. Correct it.
Cc: stable@vger.kernel.org
Fixes: 20bddcb40b2b ("gpiolib: cdev: replace locking wrappers for gpio_device with guards")
Signed-off-by: Tzung-Bi Shih <tzungbi@kernel.org>
Link: https://lore.kernel.org/r/20260116081036... | ```diff
diff --git a/drivers/gpio/gpiolib-cdev.c b/drivers/gpio/gpiolib-cdev.c
index 3735c9fe1502..67cbb05d34ca 100644
--- a/drivers/gpio/gpiolib-cdev.c
+++ b/drivers/gpio/gpiolib-cdev.c
@@ -2696,7 +2696,7 @@ static int gpio_chrdev_open(struct inode *inode, struct file *file)
cdev = kzalloc(sizeof(*cdev), GFP_KERNE... |
793e8f7d52814e096f63373eca643d2672366a5a | Analyze and fix the following issue in the Linux kernel code: drm/tyr: fix register name in error print | Problem Details:
The `..IRQ..` register is printed here. Not the `..INT..` one.
Correct this.
Cc: stable@vger.kernel.org
Fixes: cf4fd52e3236 ("rust: drm: Introduce the Tyr driver for Arm Mali GPUs")
Link: https://lore.kernel.org/rust-for-linux/A04F0357-896E-4ACC-BC0E-DEE8608CE518@collabora.com/
Signed-off-by: Dirk Beh... | ```diff
diff --git a/drivers/gpu/drm/tyr/driver.rs b/drivers/gpu/drm/tyr/driver.rs
index f0da58932702..434b80bb994b 100644
--- a/drivers/gpu/drm/tyr/driver.rs
+++ b/drivers/gpu/drm/tyr/driver.rs
@@ -75,7 +75,7 @@ fn issue_soft_reset(dev: &Device<Bound>, iomem: &Devres<IoMem>) -> Result {
dev_err!(dev, "GPU res... |
436418ef5baa024b7b15dd730c36d651c6aaaf47 | Analyze and fix the following issue in the Linux kernel code: arm64: dts: amlogic: meson-sm1-odroid: Eliminate Odroid HC4 power glitches during boot. | Problem Details:
Fix issue with Odroid HC4 (and all meson-sm1-odroid) DTS that causes
regulator power to momentarily glitch OFF-ON during boot. Add
regulator-boot-on to all regulator-fixed and regulator-gpio entries
that (1) define a gpio AND (2) define regulator-always-on.
U-boot powers on devices necessary for boot... | ```diff
diff --git a/arch/arm64/boot/dts/amlogic/meson-sm1-odroid-hc4.dts b/arch/arm64/boot/dts/amlogic/meson-sm1-odroid-hc4.dts
index 0170139b8d32..3ece30a0a1ff 100644
--- a/arch/arm64/boot/dts/amlogic/meson-sm1-odroid-hc4.dts
+++ b/arch/arm64/boot/dts/amlogic/meson-sm1-odroid-hc4.dts
@@ -52,6 +52,7 @@
gpio = <&g... |
2397e9264676be7794f8f7f1e9763d90bd3c7335 | Analyze and fix the following issue in the Linux kernel code: crypto: authencesn - reject too-short AAD (assoclen<8) to match ESP/ESN spec | Problem Details:
authencesn assumes an ESP/ESN-formatted AAD. When assoclen is shorter than
the minimum expected length, crypto_authenc_esn_decrypt() can advance past
the end of the destination scatterlist and trigger a NULL pointer dereference
in scatterwalk_map_and_copy(), leading to a kernel panic (DoS).
Add a mini... | ```diff
diff --git a/crypto/authencesn.c b/crypto/authencesn.c
index d1bf0fda3f2e..542a978663b9 100644
--- a/crypto/authencesn.c
+++ b/crypto/authencesn.c
@@ -169,6 +169,9 @@ static int crypto_authenc_esn_encrypt(struct aead_request *req)
struct scatterlist *src, *dst;
int err;
+ if (assoclen < 8)
+ return -EINV... |
7d0507772406e129329983b8b807e5b499bd74fd | Analyze and fix the following issue in the Linux kernel code: drm/buddy: release free_trees array on buddy mm teardown | Problem Details:
During initialization of DRM buddy memory manager at drm_buddy_init,
mm->free_trees array is allocated for both clear and dirty RB trees.
During cleanup happening at drm_buddy_fini it is never freed, leading to
following memory leaks observed on xe module load & unload cycles:
kmemleak_alloc+0x4a/... | ```diff
diff --git a/drivers/gpu/drm/drm_buddy.c b/drivers/gpu/drm/drm_buddy.c
index 2f279b46bd2c..8308116058cc 100644
--- a/drivers/gpu/drm/drm_buddy.c
+++ b/drivers/gpu/drm/drm_buddy.c
@@ -420,6 +420,7 @@ void drm_buddy_fini(struct drm_buddy *mm)
for_each_free_tree(i)
kfree(mm->free_trees[i]);
+ kfree(mm->free... |
94a8cea54cd935c54fa2fba70354757c0fc245e3 | Analyze and fix the following issue in the Linux kernel code: ext4: fix dirtyclusters double decrement on fs shutdown | Problem Details:
fstests test generic/388 occasionally reproduces a warning in
ext4_put_super() associated with the dirty clusters count:
WARNING: CPU: 7 PID: 76064 at fs/ext4/super.c:1324 ext4_put_super+0x48c/0x590 [ext4]
Tracing the failure shows that the warning fires due to an
s_dirtyclusters_counter value of -... | ```diff
diff --git a/fs/ext4/mballoc-test.c b/fs/ext4/mballoc-test.c
index a9416b20ff64..4abb40d4561c 100644
--- a/fs/ext4/mballoc-test.c
+++ b/fs/ext4/mballoc-test.c
@@ -567,7 +567,7 @@ test_mark_diskspace_used_range(struct kunit *test,
bitmap = mbt_ctx_bitmap(sb, TEST_GOAL_GROUP);
memset(bitmap, 0, sb->s_blocks... |
b18c5b84fa4a3c3c41b25c9b8f52ed9471c0c98d | Analyze and fix the following issue in the Linux kernel code: hfsplus: fix generic/037 xfstests failure | Problem Details:
The xfstests' test-case generic/037 fails to execute
correctly:
FSTYP -- hfsplus
PLATFORM -- Linux/x86_64 hfsplus-testing-0001 6.15.0-rc4+ #8 SMP PREEMPT_DYNAMIC Thu May 1 16:43:22 PDT 2025
MKFS_OPTIONS -- /dev/loop51
MOUNT_OPTIONS -- /dev/loop51 /mnt/scratch
generic/037 - output mismatch (see xfstes... | ```diff
diff --git a/fs/hfsplus/attributes.c b/fs/hfsplus/attributes.c
index 74b0ca9c4f17..4b79cd606276 100644
--- a/fs/hfsplus/attributes.c
+++ b/fs/hfsplus/attributes.c
@@ -193,46 +193,26 @@ attr_not_found:
return 0;
}
-int hfsplus_create_attr(struct inode *inode,
- const char *name,
- const void *value, s... |
491f2927ae097e2d405afe0b3fe841931ab8aad2 | Analyze and fix the following issue in the Linux kernel code: ext4: fast commit: make s_fc_lock reclaim-safe | Problem Details:
s_fc_lock can be acquired from inode eviction and thus is
reclaim unsafe. Since the fast commit path holds s_fc_lock while writing
the commit log, allocations under the lock can enter reclaim and invert
the lock order with fs_reclaim. Add ext4_fc_lock()/ext4_fc_unlock()
helpers which acquire s_fc_lock ... | ```diff
diff --git a/fs/ext4/ext4.h b/fs/ext4/ext4.h
index 3b5454208305..9610602fe37b 100644
--- a/fs/ext4/ext4.h
+++ b/fs/ext4/ext4.h
@@ -1788,6 +1788,10 @@ struct ext4_sb_info {
* Main fast commit lock. This lock protects accesses to the
* following fields:
* ei->i_fc_list, s_fc_dentry_q, s_fc_q, s_fc_bytes,... |
bdc56a9c46b2a99c12313122b9352b619a2e719e | Analyze and fix the following issue in the Linux kernel code: ext4: fix e4b bitmap inconsistency reports | Problem Details:
A bitmap inconsistency issue was observed during stress tests under
mixed huge-page workloads. Ext4 reported multiple e4b bitmap check
failures like:
ext4_mb_complex_scan_group:2508: group 350, 8179 free clusters as
per group info. But got 8192 blocks
Analysis and experimentation confirmed that the i... | ```diff
diff --git a/fs/ext4/mballoc.c b/fs/ext4/mballoc.c
index 56d50fd3310b..de4cacb740b3 100644
--- a/fs/ext4/mballoc.c
+++ b/fs/ext4/mballoc.c
@@ -1706,16 +1706,17 @@ ext4_mb_load_buddy_gfp(struct super_block *sb, ext4_group_t group,
/* Avoid locking the folio in the fast path ... */
folio = __filemap_get_fol... |
ca81109d4a8f192dc1cbad4a1ee25246363c2833 | Analyze and fix the following issue in the Linux kernel code: ext4: fix memory leak in ext4_ext_shift_extents() | Problem Details:
In ext4_ext_shift_extents(), if the extent is NULL in the while loop, the
function returns immediately without releasing the path obtained via
ext4_find_extent(), leading to a memory leak.
Fix this by jumping to the out label to ensure the path is properly
released.
Fixes: a18ed359bdddc ("ext4: alway... | ```diff
diff --git a/fs/ext4/extents.c b/fs/ext4/extents.c
index 27eb2c1df012..e0295e0339b4 100644
--- a/fs/ext4/extents.c
+++ b/fs/ext4/extents.c
@@ -5406,7 +5406,8 @@ again:
if (!extent) {
EXT4_ERROR_INODE(inode, "unexpected hole at %lu",
(unsigned long) *iterator);
- return -EFSCORRUPTED;
+ ret = -... |
b994ace83a2bc7699420f6a4c6b860c8da133159 | Analyze and fix the following issue in the Linux kernel code: io_uring/waitid: fix KCSAN warning on io_waitid->head | Problem Details:
Storing of the iw->head entry inside the wait_queue callback, or when
removing a waitid item, really should use proper load/store
acquire/release semantics, and KCSAN correctly warns of that. Ensure
that they do so.
Reported-by: syzbot+eb441775f4f948a0902f@syzkaller.appspotmail.com
Fixes: a48c0cbf28c0... | ```diff
diff --git a/io_uring/waitid.c b/io_uring/waitid.c
index 2d4cbd47c67c..d25d60aed6af 100644
--- a/io_uring/waitid.c
+++ b/io_uring/waitid.c
@@ -114,11 +114,11 @@ static void io_waitid_remove_wq(struct io_kiocb *req)
struct io_waitid *iw = io_kiocb_to_cmd(req, struct io_waitid);
struct wait_queue_head *head;
... |
ebb87dd74c34a76e1e93041e9329cf9269be35ed | Analyze and fix the following issue in the Linux kernel code: riscv: dts: sophgo: fix the node order of SG2042 peripheral | Problem Details:
In sg2042.dtsi, some peripheral device node does not follow the
address order. Reorder them in ascending order by address.
Reviewed-by: Chen Wang <unicorn_wang@outlook.com>
Link: https://lore.kernel.org/r/20260113023828.790136-2-inochiama@gmail.com
Signed-off-by: Inochi Amaoto <inochiama@gmail.com>
Si... | ```diff
diff --git a/arch/riscv/boot/dts/sophgo/sg2042.dtsi b/arch/riscv/boot/dts/sophgo/sg2042.dtsi
index e6891f95d479..9fddf3f0b3b9 100644
--- a/arch/riscv/boot/dts/sophgo/sg2042.dtsi
+++ b/arch/riscv/boot/dts/sophgo/sg2042.dtsi
@@ -264,94 +264,6 @@
#clock-cells = <1>;
};
- pcie_rc0: pcie@7060000000 {
- c... |
9c7e71c97c8cd086b148d0d3d1cd84a1deab023c | Analyze and fix the following issue in the Linux kernel code: btrfs: fix Wmaybe-uninitialized warning in replay_one_buffer() | Problem Details:
Warning was found when compiling using loongarch64-gcc 12.3.1:
$ make CFLAGS_tree-log.o=-Wmaybe-uninitialized
In file included from fs/btrfs/ctree.h:21,
from fs/btrfs/tree-log.c:12:
fs/btrfs/accessors.h: In function 'replay_one_buffer':
fs/btrfs/accessors.h:66:16: warning: 'inode_item' m... | ```diff
diff --git a/fs/btrfs/tree-log.c b/fs/btrfs/tree-log.c
index 2d9d38b82daa..6cffcf0c3e7a 100644
--- a/fs/btrfs/tree-log.c
+++ b/fs/btrfs/tree-log.c
@@ -2798,7 +2798,7 @@ static int replay_one_buffer(struct extent_buffer *eb,
nritems = btrfs_header_nritems(eb);
for (wc->log_slot = 0; wc->log_slot < nritems;... |
270564513489d98b721a1e4a10017978d5213bff | Analyze and fix the following issue in the Linux kernel code: ext4: move ext4_percpu_param_init() before ext4_mb_init() | Problem Details:
When running `kvm-xfstests -c ext4/1k -C 1 generic/383` with the
`DOUBLE_CHECK` macro defined, the following panic is triggered:
==================================================================
EXT4-fs error (device vdc): ext4_validate_block_bitmap:423:
comm mount: bg 0: bad ... | ```diff
diff --git a/fs/ext4/super.c b/fs/ext4/super.c
index 87205660c5d0..5c2e931d8a53 100644
--- a/fs/ext4/super.c
+++ b/fs/ext4/super.c
@@ -5604,6 +5604,10 @@ static int __ext4_fill_super(struct fs_context *fc, struct super_block *sb)
clear_opt2(sb, MB_OPTIMIZE_SCAN);
}
+ err = ext4_percpu_param_init(sbi);
+... |
a380a02ea3ddc69c1c1ccca3882748dee33ec3d3 | Analyze and fix the following issue in the Linux kernel code: rtc: pcf8563: use correct of_node for output clock | Problem Details:
When switching to regmap, the i2c_client pointer was removed from struct
pcf8563 so this function switched to using the RTC device instead. But
the RTC device is a child of the original I2C device and does not have
an associated of_node.
Reference the correct device's of_node to ensure that the outpu... | ```diff
diff --git a/drivers/rtc/rtc-pcf8563.c b/drivers/rtc/rtc-pcf8563.c
index 4e61011fb7a9..b281e9489df1 100644
--- a/drivers/rtc/rtc-pcf8563.c
+++ b/drivers/rtc/rtc-pcf8563.c
@@ -424,7 +424,7 @@ static const struct clk_ops pcf8563_clkout_ops = {
static struct clk *pcf8563_clkout_register_clk(struct pcf8563 *pcf8... |
d5aca9a17f6de884febc56018f92d743b8ea1298 | Analyze and fix the following issue in the Linux kernel code: rtc: max31335: use correct CONFIG symbol in IS_REACHABLE() | Problem Details:
IS_REACHABLE() is meant to be used with full symbol names from a kernel
.config file, not the shortened symbols used in Kconfig files, so
change HWMON to CONFIG_HWMON in 3 places.
Fixes: dedaf03b99d6 ("rtc: max31335: add driver support")
Signed-off-by: Randy Dunlap <rdunlap@infradead.org>
Acked-by: Nu... | ```diff
diff --git a/drivers/rtc/rtc-max31335.c b/drivers/rtc/rtc-max31335.c
index 23b7bf16b4cd..952b455071d6 100644
--- a/drivers/rtc/rtc-max31335.c
+++ b/drivers/rtc/rtc-max31335.c
@@ -591,7 +591,7 @@ static struct nvmem_config max31335_nvmem_cfg = {
.size = MAX31335_RAM_SIZE,
};
-#if IS_REACHABLE(HWMON)
+#if IS... |
f9ecfd9bfedba9fd9d4b015b33b847571f7fdd42 | Analyze and fix the following issue in the Linux kernel code: rtc: nvvrs: Add ARCH_TEGRA to the NV VRS RTC driver | Problem Details:
The NV VRS RTC driver currently is only supported on the
Tegra platform so add a dep for ARCH_TEGRA and compile test
so it doesn't show up universally across all arches/platforms.
Fixes: 9d6d6b06933c8 ("rtc: nvvrs: add NVIDIA VRS RTC device driver")
Cc: Shubhi Garg <shgarg@nvidia.com>
Cc: Jon Hunter <... | ```diff
diff --git a/drivers/rtc/Kconfig b/drivers/rtc/Kconfig
index 50dc779f7f98..50ba48609d74 100644
--- a/drivers/rtc/Kconfig
+++ b/drivers/rtc/Kconfig
@@ -418,6 +418,7 @@ config RTC_DRV_SPACEMIT_P1
config RTC_DRV_NVIDIA_VRS10
tristate "NVIDIA VRS10 RTC device"
+ depends on ARCH_TEGRA || COMPILE_TEST
help
... |
0eb1927502e870e4b8beaab403775056a8f4f0db | Analyze and fix the following issue in the Linux kernel code: orangefs: Replace deprecated strcpy with strscpy | Problem Details:
strcpy() has been deprecated [1] because it performs no bounds checking
on the destination buffer, which can lead to buffer overflows. Replace
it with the safer strscpy(). No functional changes.
Link: https://www.kernel.org/doc/html/latest/process/deprecated.html#strcpy [1]
Signed-off-by: Thorsten Bl... | ```diff
diff --git a/fs/orangefs/xattr.c b/fs/orangefs/xattr.c
index eee3c5ed1bbb..a431aa07a229 100644
--- a/fs/orangefs/xattr.c
+++ b/fs/orangefs/xattr.c
@@ -152,7 +152,7 @@ ssize_t orangefs_inode_getxattr(struct inode *inode, const char *name,
goto out_unlock;
new_op->upcall.req.getxattr.refn = orangefs_inode-... |
b505f1944535f83d369ae68813e7634d11b990d3 | Analyze and fix the following issue in the Linux kernel code: x86/kfence: avoid writing L1TF-vulnerable PTEs | Problem Details:
For native, the choice of PTE is fine. There's real memory backing the
non-present PTE. However, for XenPV, Xen complains:
(XEN) d1 L1TF-vulnerable L1e 8010000018200066 - Shadowing
To explain, some background on XenPV pagetables:
Xen PV guests are control their own pagetables; they choose the ... | ```diff
diff --git a/arch/x86/include/asm/kfence.h b/arch/x86/include/asm/kfence.h
index ff5c7134a37a..acf9ffa1a171 100644
--- a/arch/x86/include/asm/kfence.h
+++ b/arch/x86/include/asm/kfence.h
@@ -42,10 +42,34 @@ static inline bool kfence_protect_page(unsigned long addr, bool protect)
{
unsigned int level;
pte_t... |
605f6586ecf78395f0185ab24c368fb46a06e434 | Analyze and fix the following issue in the Linux kernel code: mm/vma: do not leak memory when .mmap_prepare swaps the file | Problem Details:
The current implementation of mmap() is set up such that a struct file
object is obtained for the input fd in ksys_mmap_pgoff() via fget(), and
its reference count decremented at the end of the function via. fput().
If a merge can be achieved, we are fine to simply decrement the refcount
on the file.... | ```diff
diff --git a/mm/vma.c b/mm/vma.c
index dc92f3dd8514..7a908a964d18 100644
--- a/mm/vma.c
+++ b/mm/vma.c
@@ -37,6 +37,8 @@ struct mmap_state {
bool check_ksm_early :1;
/* If we map new, hold the file rmap lock on mapping. */
bool hold_file_rmap_lock :1;
+ /* If .mmap_prepare changed the file, we don't need ... |
b7880cb166ab62c2409046b2347261abf701530e | Analyze and fix the following issue in the Linux kernel code: migrate: correct lock ordering for hugetlb file folios | Problem Details:
Syzbot has found a deadlock (analyzed by Lance Yang):
1) Task (5749): Holds folio_lock, then tries to acquire i_mmap_rwsem(read lock).
2) Task (5754): Holds i_mmap_rwsem(write lock), then tries to acquire
folio_lock.
migrate_pages()
-> migrate_hugetlbs()
-> unmap_and_move_huge_page() <- Tak... | ```diff
diff --git a/mm/migrate.c b/mm/migrate.c
index 5169f9717f60..4688b9e38cd2 100644
--- a/mm/migrate.c
+++ b/mm/migrate.c
@@ -1458,6 +1458,7 @@ static int unmap_and_move_huge_page(new_folio_t get_new_folio,
int page_was_mapped = 0;
struct anon_vma *anon_vma = NULL;
struct address_space *mapping = NULL;
+ enu... |
90f3c123247e9564f2ecf861946ec41ceaf5e198 | Analyze and fix the following issue in the Linux kernel code: panic: only warn about deprecated panic_print on write access | Problem Details:
The panic_print_deprecated() warning is being triggered on both read and
write operations to the panic_print parameter.
This causes spurious warnings when users run 'sysctl -a' to list all
sysctl values, since that command reads /proc/sys/kernel/panic_print and
triggers the deprecation notice.
Modify... | ```diff
diff --git a/kernel/panic.c b/kernel/panic.c
index 0d52210a9e2b..0c20fcaae98a 100644
--- a/kernel/panic.c
+++ b/kernel/panic.c
@@ -131,7 +131,8 @@ static int proc_taint(const struct ctl_table *table, int write,
static int sysctl_panic_print_handler(const struct ctl_table *table, int write,
void *buffer,... |
f9a49aa302a05e91ca01f69031cb79a0ea33031f | Analyze and fix the following issue in the Linux kernel code: fs/writeback: skip AS_NO_DATA_INTEGRITY mappings in wait_sb_inodes() | Problem Details:
Above the while() loop in wait_sb_inodes(), we document that we must wait
for all pages under writeback for data integrity. Consequently, if a
mapping, like fuse, traditionally does not have data integrity semantics,
there is no need to wait at all; we can simply skip these inodes.
This restores fuse... | ```diff
diff --git a/fs/fs-writeback.c b/fs/fs-writeback.c
index 6800886c4d10..baa2f2141146 100644
--- a/fs/fs-writeback.c
+++ b/fs/fs-writeback.c
@@ -2750,8 +2750,13 @@ static void wait_sb_inodes(struct super_block *sb)
* The mapping can appear untagged while still on-list since we
* do not have the mapping lo... |
be31340a4cc259340044b7fc4f7e97f58c74ee8e | Analyze and fix the following issue in the Linux kernel code: mm: take into account mm_cid size for mm_struct static definitions | Problem Details:
Both init_mm and efi_mm static definitions need to make room for the 2
mm_cid cpumasks.
This fixes possible out-of-bounds accesses to init_mm and efi_mm.
Add a space between # and define for the mm_alloc_cid() definition to make
it consistent with the coding style used in the rest of this header file... | ```diff
diff --git a/include/linux/mm_types.h b/include/linux/mm_types.h
index 110b319a2ffb..aa4639888f89 100644
--- a/include/linux/mm_types.h
+++ b/include/linux/mm_types.h
@@ -1368,7 +1368,7 @@ extern struct mm_struct init_mm;
#define MM_STRUCT_FLEXIBLE_ARRAY_INIT \
{ \
- [0 ... sizeof(cpumask_t)-1] = ... |
6ac433f8b2590b09ca00863d218665729ac985f7 | Analyze and fix the following issue in the Linux kernel code: mm: rename cpu_bitmap field to flexible_array | Problem Details:
The cpu_bitmap flexible array now contains more than just the cpu_bitmap.
In preparation for changing the static mm_struct definitions to cover for
the additional space required, change the cpu_bitmap type from "unsigned
long" to "char", require an unsigned long alignment of the flexible array,
and re... | ```diff
diff --git a/drivers/firmware/efi/efi.c b/drivers/firmware/efi/efi.c
index f5ff6e84a9b7..17b5f3415465 100644
--- a/drivers/firmware/efi/efi.c
+++ b/drivers/firmware/efi/efi.c
@@ -74,10 +74,10 @@ struct mm_struct efi_mm = {
.page_table_lock = __SPIN_LOCK_UNLOCKED(efi_mm.page_table_lock),
.mmlist = LIST_HEA... |
12a6ddfc76bb8a6d4508171d806c8632cf50a74a | Analyze and fix the following issue in the Linux kernel code: mm: add missing static initializer for init_mm::mm_cid.lock | Problem Details:
Initialize the mm_cid.lock struct member of init_mm.
Link: https://lkml.kernel.org/r/20251224173358.647691-2-mathieu.desnoyers@efficios.com
Fixes: 8cea569ca785 ("sched/mmcid: Use proper data structures")
Signed-off-by: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
Reviewed-by: Thomas Gleixner <tg... | ```diff
diff --git a/mm/init-mm.c b/mm/init-mm.c
index 4600e7605cab..a514f8ce47e3 100644
--- a/mm/init-mm.c
+++ b/mm/init-mm.c
@@ -44,6 +44,9 @@ struct mm_struct init_mm = {
.mm_lock_seq = SEQCNT_ZERO(init_mm.mm_lock_seq),
#endif
.user_ns = &init_user_ns,
+#ifdef CONFIG_SCHED_MM_CID
+ .mm_cid.lock = __RAW_SPIN_LOC... |
56aca3e0f7308821b6404730a0a6bfd9f26fa04c | Analyze and fix the following issue in the Linux kernel code: net/mlx5e: Use regular ICOSQ for triggering NAPI | Problem Details:
Before the cited commit, ICOSQ is used to post NOP WQE to trigger
hardware interrupt and start NAPI, but this mechanism suffers from
a race condition: mlx5e_alloc_rx_mpwqe may post UMR WQEs to ICOSQ
_before_ NOP WQE is posted. The cited commit fixes the issue by
replacing ICOSQ with async ICOSQ, as a n... | ```diff
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en.h b/drivers/net/ethernet/mellanox/mlx5/core/en.h
index ad2bdb041fa3..8f0dd4ccba0f 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/en.h
+++ b/drivers/net/ethernet/mellanox/mlx5/core/en.h
@@ -388,6 +388,7 @@ enum {
MLX5E_SQ_STATE_DIM,
MLX5E_SQ_STATE... |
d837fbee92453fbb829f950c8e7cf76207d73f33 | Analyze and fix the following issue in the Linux kernel code: net/sched: qfq: Use cl_is_active to determine whether class is active in qfq_rm_from_ag | Problem Details:
This is more of a preventive patch to make the code more consistent and
to prevent possible exploits that employ child qlen manipulations on qfq.
use cl_is_active instead of relying on the child qdisc's qlen to determine
class activation.
Fixes: 462dbc9101acd ("pkt_sched: QFQ Plus: fair-queueing servi... | ```diff
diff --git a/net/sched/sch_qfq.c b/net/sched/sch_qfq.c
index 9d59090bbe93..e7778413e72f 100644
--- a/net/sched/sch_qfq.c
+++ b/net/sched/sch_qfq.c
@@ -373,7 +373,7 @@ static void qfq_rm_from_agg(struct qfq_sched *q, struct qfq_class *cl)
/* Deschedule class and remove it from its parent aggregate. */
static v... |
50da4b9d07a7a463e2cfb738f3ad4cff6b2c9c3b | Analyze and fix the following issue in the Linux kernel code: net/sched: Enforce that teql can only be used as root qdisc | Problem Details:
Design intent of teql is that it is only supposed to be used as root qdisc.
We need to check for that constraint.
Although not important, I will describe the scenario that unearthed this
issue for the curious.
GangMin Kim <km.kim1503@gmail.com> managed to concot a scenario as follows:
ROOT qdisc 1:0... | ```diff
diff --git a/net/sched/sch_teql.c b/net/sched/sch_teql.c
index 8badec6d82a2..6e4bdaa876ed 100644
--- a/net/sched/sch_teql.c
+++ b/net/sched/sch_teql.c
@@ -178,6 +178,11 @@ static int teql_qdisc_init(struct Qdisc *sch, struct nlattr *opt,
if (m->dev == dev)
return -ELOOP;
+ if (sch->parent != TC_H_ROOT) {... |
fab13d738c9bd645965464b881335f580d38a54e | Analyze and fix the following issue in the Linux kernel code: clk: qcom: dispcc-sm7150: Fix dispcc_mdss_pclk1_clk_src | Problem Details:
Set CLK_OPS_PARENT_ENABLE to ensure the parent gets prepared and enabled
when switching to it.
Fixes: e3c13e0caa8c ("clk: qcom: dispcc-sm7150: Fix dispcc_mdss_pclk0_clk_src")
Signed-off-by: David Heidelberg <david@ixit.cz>
Link: https://lore.kernel.org/r/20260117-sm7150-dispcc-fix-v1-1-2f39966bcad2@ix... | ```diff
diff --git a/drivers/clk/qcom/dispcc-sm7150.c b/drivers/clk/qcom/dispcc-sm7150.c
index 811d380a8e9f..ed8e34ffd69b 100644
--- a/drivers/clk/qcom/dispcc-sm7150.c
+++ b/drivers/clk/qcom/dispcc-sm7150.c
@@ -371,7 +371,7 @@ static struct clk_rcg2 dispcc_mdss_pclk1_clk_src = {
.name = "dispcc_mdss_pclk1_clk_src",
... |
dda4bdd325326dd67ae4401f4f3d35b9cf781e3f | Analyze and fix the following issue in the Linux kernel code: arm64: dts: qcom: talos: Drop opp-shared from QUP OPP table | Problem Details:
QUP devices are currently marked with opp-shared in their OPP table,
causing the kernel to treat them as part of a shared OPP domain. This
leads to the qcom_geni_serial driver failing to probe with error
-EBUSY (-16).
Remove the opp-shared property to ensure the OPP framework treats the
QUP OPP table ... | ```diff
diff --git a/arch/arm64/boot/dts/qcom/talos.dtsi b/arch/arm64/boot/dts/qcom/talos.dtsi
index d956c91c7cc8..88980d8c3ee3 100644
--- a/arch/arm64/boot/dts/qcom/talos.dtsi
+++ b/arch/arm64/boot/dts/qcom/talos.dtsi
@@ -532,7 +532,6 @@
qup_opp_table: opp-table-qup {
compatible = "operating-points-v2";
- opp-... |
ab9b218a1521133a4410722907fa7189566be9bc | Analyze and fix the following issue in the Linux kernel code: octeontx2: cn10k: fix RX flowid TCAM mask handling | Problem Details:
The RX flowid programming initializes the TCAM mask to all ones, but
then overwrites it when clearing the MAC DA mask bits. This results
in losing the intended initialization and may affect other match fields.
Update the code to clear the MAC DA bits using an AND operation, making
the handling of mask... | ```diff
diff --git a/drivers/net/ethernet/marvell/octeontx2/nic/cn10k_macsec.c b/drivers/net/ethernet/marvell/octeontx2/nic/cn10k_macsec.c
index 4c7e0f345cb5..060c715ebad0 100644
--- a/drivers/net/ethernet/marvell/octeontx2/nic/cn10k_macsec.c
+++ b/drivers/net/ethernet/marvell/octeontx2/nic/cn10k_macsec.c
@@ -328,7 +32... |
d321d505edb64286bae0e464574d0fd553e31adc | Analyze and fix the following issue in the Linux kernel code: selftests: net: csum: Fix printk format in recv_get_packet_csum_status() | Problem Details:
Following warning is encountered when building selftests on powerpc/32.
CC csum
csum.c: In function 'recv_get_packet_csum_status':
csum.c:710:50: warning: format '%lu' expects argument of type 'long unsigned int', but argument 4 has type 'size_t' {aka 'unsigned int'} [-Wformat=]
710 | ... | ```diff
diff --git a/tools/testing/selftests/net/lib/csum.c b/tools/testing/selftests/net/lib/csum.c
index 27437590eeb5..e28884ce3ab3 100644
--- a/tools/testing/selftests/net/lib/csum.c
+++ b/tools/testing/selftests/net/lib/csum.c
@@ -707,7 +707,7 @@ static uint32_t recv_get_packet_csum_status(struct msghdr *msg)
... |
2c28769a51deb6022d7fbd499987e237a01dd63a | Analyze and fix the following issue in the Linux kernel code: rxrpc: Fix recvmsg() unconditional requeue | Problem Details:
If rxrpc_recvmsg() fails because MSG_DONTWAIT was specified but the call at
the front of the recvmsg queue already has its mutex locked, it requeues
the call - whether or not the call is already queued. The call may be on
the queue because MSG_PEEK was also passed and so the call was not dequeued
or b... | ```diff
diff --git a/include/trace/events/rxrpc.h b/include/trace/events/rxrpc.h
index de6f6d25767c..869f97c9bf73 100644
--- a/include/trace/events/rxrpc.h
+++ b/include/trace/events/rxrpc.h
@@ -322,6 +322,7 @@
EM(rxrpc_call_put_kernel, "PUT kernel ") \
EM(rxrpc_call_put_poke, "PUT poke ") \
EM(rxrpc_call_... |
07a1bc5c14c9ef6401b21c1873c6c087075ff292 | Analyze and fix the following issue in the Linux kernel code: block: Fix an error path in disk_update_zone_resources() | Problem Details:
Any queue_limits_start_update() call must be followed either by a
queue_limits_commit_update() call or by a queue_limits_cancel_update()
call. Make sure that the error path near the start of
disk_update_zone_resources() follows this requirement. Remove the
"goto unfreeze" statement from that error path... | ```diff
diff --git a/block/blk-zoned.c b/block/blk-zoned.c
index 1c54678fae6b..8000c94690ee 100644
--- a/block/blk-zoned.c
+++ b/block/blk-zoned.c
@@ -1957,6 +1957,7 @@ static int disk_update_zone_resources(struct gendisk *disk,
disk->nr_zones = args->nr_zones;
if (args->nr_conv_zones >= disk->nr_zones) {
+ queu... |
d3ba32162488283c0a4c5bedd8817aec91748802 | Analyze and fix the following issue in the Linux kernel code: ipvlan: Make the addrs_lock be per port | Problem Details:
Make the addrs_lock be per port, not per ipvlan dev.
Initial code seems to be written in the assumption,
that any address change must occur under RTNL.
But it is not so for the case of IPv6. So
1) Introduce per-port addrs_lock.
2) It was needed to fix places where it was forgotten
to take lock (ipvl... | ```diff
diff --git a/drivers/net/ipvlan/ipvlan.h b/drivers/net/ipvlan/ipvlan.h
index 50de3ee204db..80f84fc87008 100644
--- a/drivers/net/ipvlan/ipvlan.h
+++ b/drivers/net/ipvlan/ipvlan.h
@@ -69,7 +69,6 @@ struct ipvl_dev {
DECLARE_BITMAP(mac_filters, IPVLAN_MAC_FILTER_SIZE);
netdev_features_t sfeatures;
u32 msg... |
7a29f6bf60f2590fe5e9c4decb451e19afad2bcf | Analyze and fix the following issue in the Linux kernel code: l2tp: avoid one data-race in l2tp_tunnel_del_work() | Problem Details:
We should read sk->sk_socket only when dealing with kernel sockets.
syzbot reported the following data-race:
BUG: KCSAN: data-race in l2tp_tunnel_del_work / sk_common_release
write to 0xffff88811c182b20 of 8 bytes by task 5365 on cpu 0:
sk_set_socket include/net/sock.h:2092 [inline]
sock_orphan ... | ```diff
diff --git a/net/l2tp/l2tp_core.c b/net/l2tp/l2tp_core.c
index 70335667ef03..f9b0f666600f 100644
--- a/net/l2tp/l2tp_core.c
+++ b/net/l2tp/l2tp_core.c
@@ -1416,8 +1416,6 @@ static void l2tp_tunnel_del_work(struct work_struct *work)
{
struct l2tp_tunnel *tunnel = container_of(work, struct l2tp_tunnel,
... |
962ae6892d8bd208b2d1e2b358f07551ddc8d32f | Analyze and fix the following issue in the Linux kernel code: vfio/pci: Lock upstream bridge for vfio_pci_core_disable() | Problem Details:
The commit 7e89efc6e9e4 ("Lock upstream bridge for pci_reset_function()")
added locking of the upstream bridge to the reset function. To catch
paths that are not properly locked, the commit 920f6468924f ("Warn on
missing cfg_access_lock during secondary bus reset") added a warning
if the PCI configurat... | ```diff
diff --git a/drivers/vfio/pci/vfio_pci_core.c b/drivers/vfio/pci/vfio_pci_core.c
index 3a11e6f450f7..72c33b399800 100644
--- a/drivers/vfio/pci/vfio_pci_core.c
+++ b/drivers/vfio/pci/vfio_pci_core.c
@@ -588,6 +588,7 @@ EXPORT_SYMBOL_GPL(vfio_pci_core_enable);
void vfio_pci_core_disable(struct vfio_pci_core_d... |
63faf32666e03a78cc985bcbae196418cf7d7938 | Analyze and fix the following issue in the Linux kernel code: pwm: max7360: Populate missing .sizeof_wfhw in max7360_pwm_ops | Problem Details:
The sizeof_wfhw field wasn't populated in max7360_pwm_ops so it was set
to 0 by default.
While this is ok for now because:
sizeof(struct max7360_pwm_waveform) < PWM_WFHWSIZE
in the future, if struct max7360_pwm_waveform grows, it could lead to
stack corruption.
Fixes: d93a75d94b79 ("pwm: max7360: Add ... | ```diff
diff --git a/drivers/pwm/pwm-max7360.c b/drivers/pwm/pwm-max7360.c
index 16261958ce7f..732969303dd7 100644
--- a/drivers/pwm/pwm-max7360.c
+++ b/drivers/pwm/pwm-max7360.c
@@ -153,6 +153,7 @@ static int max7360_pwm_read_waveform(struct pwm_chip *chip,
}
static const struct pwm_ops max7360_pwm_ops = {
+ .size... |
83c10e8dd43628d0bf86486616556cd749a3c310 | Analyze and fix the following issue in the Linux kernel code: dm-unstripe: fix mapping bug when there are multiple targets in a table | Problem Details:
The "unstriped" device-mapper target incorrectly calculates the sector
offset on the mapped device when the target's origin is not zero.
Take for example this hypothetical concatenation of the members of a
two-disk RAID0:
linearized: 0 2097152 unstriped 2 128 0 /dev/md/raid0 0
linearized: 20971... | ```diff
diff --git a/drivers/md/dm-unstripe.c b/drivers/md/dm-unstripe.c
index e8a9432057dc..17be48359564 100644
--- a/drivers/md/dm-unstripe.c
+++ b/drivers/md/dm-unstripe.c
@@ -117,7 +117,7 @@ static void unstripe_dtr(struct dm_target *ti)
static sector_t map_to_core(struct dm_target *ti, struct bio *bio)
{
struc... |
a5d8b9d94e1863f3ebb7182c238b2c713f6f4efd | Analyze and fix the following issue in the Linux kernel code: f2fs: fix to unlock folio in f2fs_read_data_large_folio() | Problem Details:
We missed to unlock folio in error path of f2fs_read_data_large_folio(),
fix it.
With below testcase, it can reproduce the bug.
touch /mnt/f2fs/file
truncate -s $((1024*1024*1024)) /mnt/f2fs/file
f2fs_io setflags immutable /mnt/f2fs/file
sync
echo 3 > /proc/sys/vm/drop_caches
time dd if=/mnt/f2fs/fil... | ```diff
diff --git a/fs/f2fs/data.c b/fs/f2fs/data.c
index d685c889f7b6..d509172b51df 100644
--- a/fs/f2fs/data.c
+++ b/fs/f2fs/data.c
@@ -2453,11 +2453,11 @@ static int f2fs_read_data_large_folio(struct inode *inode,
int ret = 0;
bool folio_in_bio;
- if (!IS_IMMUTABLE(inode))
- return -EOPNOTSUPP;
-
- if (f2fs_... |
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