id stringlengths 40 40 | instruction stringlengths 68 308 | input stringlengths 17 33.4k | output stringlengths 100 30k |
|---|---|---|---|
9c42bc9db90a154bc61ae337a070465f3393485a | Analyze and fix the following issue in the Linux kernel code: netfilter: nf_conntrack_expect: honor expectation helper field | Problem Details:
The expectation helper field is mostly unused. As a result, the
netfilter codebase relies on accessing the helper through exp->master.
Always set on the expectation helper field so it can be used to reach
the helper.
nf_ct_expect_init() is called from packet path where the skb owns
the ct object, the... | ```diff
diff --git a/include/net/netfilter/nf_conntrack_expect.h b/include/net/netfilter/nf_conntrack_expect.h
index 165e7a03b8e9..1b01400b10bd 100644
--- a/include/net/netfilter/nf_conntrack_expect.h
+++ b/include/net/netfilter/nf_conntrack_expect.h
@@ -40,7 +40,7 @@ struct nf_conntrack_expect {
struct nf_conntra... |
fafdd92b9e30fe057740c5bb5cd4f92ecea9bf26 | Analyze and fix the following issue in the Linux kernel code: netfilter: nft_set_rbtree: revisit array resize logic | Problem Details:
Chris Arges reports high memory consumption with thousands of
containers, this patch revisits the array allocation logic.
For anonymous sets, start by 16 slots (which takes 256 bytes on x86_64).
Expand it by x2 until threshold of 512 slots is reached, over that
threshold, expand it by x1.5.
For non-a... | ```diff
diff --git a/net/netfilter/nft_set_rbtree.c b/net/netfilter/nft_set_rbtree.c
index fe8bd497d74a..737c339decd0 100644
--- a/net/netfilter/nft_set_rbtree.c
+++ b/net/netfilter/nft_set_rbtree.c
@@ -572,14 +572,12 @@ static struct nft_array *nft_array_alloc(u32 max_intervals)
return array;
}
-#define NFT_ARRAY... |
9d3f027327c2fa265f7f85ead41294792c3296ed | Analyze and fix the following issue in the Linux kernel code: netfilter: ip6t_rt: reject oversized addrnr in rt_mt6_check() | Problem Details:
Reject rt match rules whose addrnr exceeds IP6T_RT_HOPS.
rt_mt6() expects addrnr to stay within the bounds of rtinfo->addrs[].
Validate addrnr during rule installation so malformed rules are rejected
before the match logic can use an out-of-range value.
Fixes: 1da177e4c3f4 ("Linux-2.6.12-rc2")
Report... | ```diff
diff --git a/net/ipv6/netfilter/ip6t_rt.c b/net/ipv6/netfilter/ip6t_rt.c
index 4ad8b2032f1f..5561bd9cea81 100644
--- a/net/ipv6/netfilter/ip6t_rt.c
+++ b/net/ipv6/netfilter/ip6t_rt.c
@@ -157,6 +157,10 @@ static int rt_mt6_check(const struct xt_mtchk_param *par)
pr_debug("unknown flags %X\n", rtinfo->invflags... |
52025ebaa29f4eb4ed8bf92ce83a68f24ab7fdf7 | Analyze and fix the following issue in the Linux kernel code: netfilter: nfnetlink_log: fix uninitialized padding leak in NFULA_PAYLOAD | Problem Details:
__build_packet_message() manually constructs the NFULA_PAYLOAD netlink
attribute using skb_put() and skb_copy_bits(), bypassing the standard
nla_reserve()/nla_put() helpers. While nla_total_size(data_len) bytes
are allocated (including NLA alignment padding), only data_len bytes
of actual packet data a... | ```diff
diff --git a/net/netfilter/nfnetlink_log.c b/net/netfilter/nfnetlink_log.c
index b35a90955e2e..fcbe54940b2e 100644
--- a/net/netfilter/nfnetlink_log.c
+++ b/net/netfilter/nfnetlink_log.c
@@ -647,15 +647,11 @@ __build_packet_message(struct nfnl_log_net *log,
if (data_len) {
struct nlattr *nla;
- int size... |
7587fbf5adc23d180a5ea9aa6944292c22328703 | Analyze and fix the following issue in the Linux kernel code: media: ccs: Avoid deadlock in ccs_init_state() | Problem Details:
The sub-device state lock has been already acquired when ccs_init_state()
is called. Do not try to acquire it again.
Reported-by: David Heidelberg <david@ixit.cz>
Fixes: a88883d1209c ("media: ccs: Rely on sub-device state locking")
Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Signed-off-... | ```diff
diff --git a/drivers/media/i2c/ccs/ccs-core.c b/drivers/media/i2c/ccs/ccs-core.c
index aa4dd7e7cf5a..8e25f970fd12 100644
--- a/drivers/media/i2c/ccs/ccs-core.c
+++ b/drivers/media/i2c/ccs/ccs-core.c
@@ -3080,8 +3080,6 @@ static int ccs_init_state(struct v4l2_subdev *sd,
struct v4l2_rect *crop =
v4l2_subdev... |
7c39f48568e0aec9bf6988cdbf833fdf8af19901 | Analyze and fix the following issue in the Linux kernel code: media: uvcvideo: Fix bug in error path of uvc_alloc_urb_buffers | Problem Details:
Recent cleanup introduced a bug in the error path of
uvc_alloc_urb_buffers(). If there is not enough memory for the
allocation the following error will be triggered:
[ 739.196672] UBSAN: shift-out-of-bounds in mm/page_alloc.c:1403:22
[ 739.196710] shift exponent 52 is too large for 32-bit type 'int'... | ```diff
diff --git a/drivers/media/usb/uvc/uvc_video.c b/drivers/media/usb/uvc/uvc_video.c
index 40c76c051da2..f6c8e3223796 100644
--- a/drivers/media/usb/uvc/uvc_video.c
+++ b/drivers/media/usb/uvc/uvc_video.c
@@ -1751,7 +1751,8 @@ static void uvc_video_complete(struct urb *urb)
/*
* Free transfer buffers.
*/
-st... |
73f01258002fe35d6c6b20f92c75b891e7215b06 | Analyze and fix the following issue in the Linux kernel code: exfat: fix passing zero to ERR_PTR() in exfat_mkdir() | Problem Details:
Detected by Smatch.
namei.c:890 exfat_mkdir() warn:
passing zero to 'ERR_PTR'
Signed-off-by: Yang Wen <anmuxixixi@gmail.com>
Signed-off-by: Namjae Jeon <linkinjeon@kernel.org> | ```diff
diff --git a/fs/exfat/namei.c b/fs/exfat/namei.c
index ef2a3488c1b3..d0ea1ff81c09 100644
--- a/fs/exfat/namei.c
+++ b/fs/exfat/namei.c
@@ -874,9 +874,10 @@ static struct dentry *exfat_mkdir(struct mnt_idmap *idmap, struct inode *dir,
i_pos = exfat_make_i_pos(&info);
inode = exfat_build_inode(sb, &info, i_... |
d40a198e2b7821197c5c77b89d0130cc90f400f5 | Analyze and fix the following issue in the Linux kernel code: ASoC: SOF: ipc4-topology: Allow bytes controls without initial payload | Problem Details:
It is unexpected, but allowed to have no initial payload for a bytes
control and the code is prepared to handle this case, but the size check
missed this corner case.
Update the check for minimal size to allow the initial size to be 0.
Cc: stable@vger.kernel.org
Fixes: a653820700b8 ("ASoC: SOF: ipc4-... | ```diff
diff --git a/sound/soc/sof/ipc4-topology.c b/sound/soc/sof/ipc4-topology.c
index db077e9d5644..c12ffdcfe4e3 100644
--- a/sound/soc/sof/ipc4-topology.c
+++ b/sound/soc/sof/ipc4-topology.c
@@ -2950,7 +2950,7 @@ static int sof_ipc4_control_load_bytes(struct snd_sof_dev *sdev, struct snd_sof_
return -EINVAL;
}... |
c7596f9001e2b83293e3658e4e1addde69bb335d | Analyze and fix the following issue in the Linux kernel code: firmware: microchip: fail auto-update probe if no flash found | Problem Details:
There's no point letting the driver probe if there is no flash, as
trying to do a firmware upload will fail. Move the code that attempts
to get the flash from firmware upload to probe, and let it emit a
message to users stating why auto-update is not supported.
The code currently could have a problem i... | ```diff
diff --git a/drivers/firmware/microchip/mpfs-auto-update.c b/drivers/firmware/microchip/mpfs-auto-update.c
index e194f7acb2a9..8fc3749d4a70 100644
--- a/drivers/firmware/microchip/mpfs-auto-update.c
+++ b/drivers/firmware/microchip/mpfs-auto-update.c
@@ -113,10 +113,6 @@ static enum fw_upload_err mpfs_auto_upda... |
8d2e0cb3224c89275c5471c92850e7f74df80c20 | Analyze and fix the following issue in the Linux kernel code: spi: fix use-after-free on managed registration failure | Problem Details:
The SPI API is asymmetric and the controller is freed as part of
deregistration (unless it has been allocated using
devm_spi_alloc_host/target()).
A recent change converting the managed registration function to use
devm_add_action_or_reset() inadvertently introduced a (mostly
theoretical) regression w... | ```diff
diff --git a/drivers/spi/spi.c b/drivers/spi/spi.c
index 4101c2803eb3..9b1125556d29 100644
--- a/drivers/spi/spi.c
+++ b/drivers/spi/spi.c
@@ -3534,8 +3534,19 @@ int devm_spi_register_controller(struct device *dev,
if (ret)
return ret;
- return devm_add_action_or_reset(dev, devm_spi_unregister_controller... |
951a4e8589b3ee6e889ed97fb9896df197dd88e7 | Analyze and fix the following issue in the Linux kernel code: ASoC: wm_adsp_fw_find_test: Fix missing NULL terminator on file name list | Problem Details:
The array wm_adsp_fw_find_test_dir_all_files[] needs a NULL terminator.
It was documented at line 41 that dir_files points to a NULL-terminated
array.
/* NULL-terminated array of pointers to filenames ... <snip> */
const char * const *dir_files;
This fixes the error reported by KASAN:
[17:46:... | ```diff
diff --git a/sound/soc/codecs/wm_adsp_fw_find_test.c b/sound/soc/codecs/wm_adsp_fw_find_test.c
index fb886dc61c27..d0c7fb30a95d 100644
--- a/sound/soc/codecs/wm_adsp_fw_find_test.c
+++ b/sound/soc/codecs/wm_adsp_fw_find_test.c
@@ -1041,6 +1041,7 @@ static const char * const wm_adsp_fw_find_test_dir_all_files[] ... |
59b0efd867fbbcad6d378e8aa08dda44d1f48651 | Analyze and fix the following issue in the Linux kernel code: mmc: mtk-sd: disable new_tx/rx and modify related settings for mt8189 | Problem Details:
Disable new_tx/rx to avoid data transmission instability, and adjust
.data_tune, .stop_dly_sel, and .pop_en_cnt to fit the overall
configuration after disabling new_tx/rx, making it more compatible
with mt8189.
Fixes: 846a3a2fdff5 ("mmc: mtk-sd: add support for MT8189 SoC")
Tested-by: Louis-Alexis Eyr... | ```diff
diff --git a/drivers/mmc/host/mtk-sd.c b/drivers/mmc/host/mtk-sd.c
index 302ac8529c4f..b2680cc054bd 100644
--- a/drivers/mmc/host/mtk-sd.c
+++ b/drivers/mmc/host/mtk-sd.c
@@ -682,15 +682,15 @@ static const struct mtk_mmc_compatible mt8189_compat = {
.needs_top_base = true,
.pad_tune_reg = MSDC_PAD_TUNE0,
... |
bfe6a264effcb6fe99ad7ceaf9e8c7439fc9555b | Analyze and fix the following issue in the Linux kernel code: ASoC: adau1372: Fix clock leak on PLL lock failure | Problem Details:
adau1372_enable_pll() was a void function that logged a dev_err() on
PLL lock timeout but did not propagate the error. As a result,
adau1372_set_power() would continue with adau1372->enabled set to true
despite the PLL being unlocked, and the mclk left enabled with no
corresponding disable on the error... | ```diff
diff --git a/sound/soc/codecs/adau1372.c b/sound/soc/codecs/adau1372.c
index 6345342218d6..d7363f9d53bb 100644
--- a/sound/soc/codecs/adau1372.c
+++ b/sound/soc/codecs/adau1372.c
@@ -762,7 +762,7 @@ static int adau1372_startup(struct snd_pcm_substream *substream, struct snd_soc_
return 0;
}
-static void ad... |
326fe8104a4020d30080d37ac8b6b43893cdebca | Analyze and fix the following issue in the Linux kernel code: ASoC: adau1372: Fix unchecked clk_prepare_enable() return value | Problem Details:
adau1372_set_power() calls clk_prepare_enable() but discards the return
value. If the clock enable fails, the driver proceeds to access registers
on unpowered hardware, potentially causing silent corruption.
Make adau1372_set_power() return int and propagate the error from
clk_prepare_enable(). Update... | ```diff
diff --git a/sound/soc/codecs/adau1372.c b/sound/soc/codecs/adau1372.c
index fdee689cae53..6345342218d6 100644
--- a/sound/soc/codecs/adau1372.c
+++ b/sound/soc/codecs/adau1372.c
@@ -782,15 +782,18 @@ static void adau1372_enable_pll(struct adau1372 *adau1372)
dev_err(adau1372->dev, "Failed to lock PLL\n");
... |
f078634c184a9b5ccaa056e8b8d6cd32f7bff1b6 | Analyze and fix the following issue in the Linux kernel code: drm/bridge: Fix refcount shown via debugfs for encoder_bridges_show() | Problem Details:
A typical bridge refcount value is 3 after a bridge chain is formed:
- devm_drm_bridge_alloc() initializes the refcount value to be 1.
- drm_bridge_add() gets an additional reference hence 2.
- drm_bridge_attach() gets the third reference hence 3.
This typical refcount value aligns with allbridges_sho... | ```diff
diff --git a/drivers/gpu/drm/drm_bridge.c b/drivers/gpu/drm/drm_bridge.c
index d6f11c68bb6a..1987789b258a 100644
--- a/drivers/gpu/drm/drm_bridge.c
+++ b/drivers/gpu/drm/drm_bridge.c
@@ -1569,11 +1569,17 @@ EXPORT_SYMBOL(devm_drm_put_bridge);
static void drm_bridge_debugfs_show_bridge(struct drm_printer *p,
... |
91dc0c2a152373c4004df7e36de45190b82089ab | Analyze and fix the following issue in the Linux kernel code: leds: core: Fix formatting issues | Problem Details:
Fix formatting issues reported by checkpatch.pl, such as extra empty
lines, lack of braces on some branches, and misaligned function
arguments.
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Link: https://patch.msgid.link/20260311-led-swnode-name-v1-2-798a49e041c6@gmail.com
Signed-off-by: ... | ```diff
diff --git a/drivers/leds/led-core.c b/drivers/leds/led-core.c
index 8ce41b36c645..385e78af1dac 100644
--- a/drivers/leds/led-core.c
+++ b/drivers/leds/led-core.c
@@ -85,7 +85,7 @@ static void led_timer_function(struct timer_list *t)
if (!brightness) {
/* Time to switch the LED on. */
if (test_and_clear... |
62397b493e14107ae82d8b80938f293d95425bcb | Analyze and fix the following issue in the Linux kernel code: crypto: af-alg - fix NULL pointer dereference in scatterwalk | Problem Details:
The AF_ALG interface fails to unmark the end of a Scatter/Gather List (SGL)
when chaining a new af_alg_tsgl structure. If a sendmsg() fills an SGL
exactly to MAX_SGL_ENTS, the last entry is marked as the end. A subsequent
sendmsg() allocates a new SGL and chains it, but fails to clear the end
marker on... | ```diff
diff --git a/crypto/af_alg.c b/crypto/af_alg.c
index 0bb609fbec7d..c2fd9cd86c5e 100644
--- a/crypto/af_alg.c
+++ b/crypto/af_alg.c
@@ -623,8 +623,10 @@ static int af_alg_alloc_tsgl(struct sock *sk)
sg_init_table(sgl->sg, MAX_SGL_ENTS + 1);
sgl->cur = 0;
- if (sg)
+ if (sg) {
+ sg_unmark_end(sg + MAX... |
6d89f743e57cb34e233a8217b394c7ee09abf225 | Analyze and fix the following issue in the Linux kernel code: crypto: deflate - fix spurious -ENOSPC | Problem Details:
The code in deflate_decompress_one may erroneously return -ENOSPC even if
it didn't run out of output space. The error happens under this
condition:
- Suppose that there are two input pages, the compressed data fits into
the first page and the zlib checksum is placed in the second page.
- The code ... | ```diff
diff --git a/crypto/deflate.c b/crypto/deflate.c
index 46fc7def8d4c..710ebba7ce85 100644
--- a/crypto/deflate.c
+++ b/crypto/deflate.c
@@ -164,18 +164,21 @@ static int deflate_decompress_one(struct acomp_req *req,
do {
unsigned int dcur;
+ unsigned long avail_in;
dcur = acomp_walk_next_dst(&wal... |
80688afb9c35b3934ce2d6be9973758915e2e0ef | Analyze and fix the following issue in the Linux kernel code: crypto: caam - fix overflow on long hmac keys | Problem Details:
When a key longer than block size is supplied, it is copied and then
hashed into the real key. The memory allocated for the copy needs to
be rounded to DMA cache alignment, as otherwise the hashed key may
corrupt neighbouring memory.
The copying is performed using kmemdup, however this leads to an ov... | ```diff
diff --git a/drivers/crypto/caam/caamalg_qi2.c b/drivers/crypto/caam/caamalg_qi2.c
index 167372936ca7..78964e1712e5 100644
--- a/drivers/crypto/caam/caamalg_qi2.c
+++ b/drivers/crypto/caam/caamalg_qi2.c
@@ -3326,9 +3326,10 @@ static int ahash_setkey(struct crypto_ahash *ahash, const u8 *key,
if (aligned_len ... |
5ddfdcbe10dc5f97afc4e46ca22be2be717e8caf | Analyze and fix the following issue in the Linux kernel code: crypto: caam - fix DMA corruption on long hmac keys | Problem Details:
When a key longer than block size is supplied, it is copied and then
hashed into the real key. The memory allocated for the copy needs to
be rounded to DMA cache alignment, as otherwise the hashed key may
corrupt neighbouring memory.
The rounding was performed, but never actually used for the allocat... | ```diff
diff --git a/drivers/crypto/caam/caamhash.c b/drivers/crypto/caam/caamhash.c
index 628c43a7efc4..44122208f70c 100644
--- a/drivers/crypto/caam/caamhash.c
+++ b/drivers/crypto/caam/caamhash.c
@@ -441,9 +441,10 @@ static int ahash_setkey(struct crypto_ahash *ahash,
if (aligned_len < keylen)
return -EOVERFL... |
4b56770d345524fc2acc143a2b85539cf7d74bc1 | Analyze and fix the following issue in the Linux kernel code: crypto: tegra - Add missing CRYPTO_ALG_ASYNC | Problem Details:
The tegra crypto driver failed to set the CRYPTO_ALG_ASYNC on its
asynchronous algorithms, causing the crypto API to select them for users
that request only synchronous algorithms. This causes crashes (at
least). Fix this by adding the flag like what the other drivers do.
Also remove the unnecessary ... | ```diff
diff --git a/drivers/crypto/tegra/tegra-se-aes.c b/drivers/crypto/tegra/tegra-se-aes.c
index 0e07d0523291..9210cceb4b7b 100644
--- a/drivers/crypto/tegra/tegra-se-aes.c
+++ b/drivers/crypto/tegra/tegra-se-aes.c
@@ -529,7 +529,7 @@ static struct tegra_se_alg tegra_aes_algs[] = {
.cra_name = "cbc(aes)",
... |
f1080f82570b797598c1ba7e9c800ae9e94aafc6 | Analyze and fix the following issue in the Linux kernel code: drm/panel: simple: Correct G190EAN01 prepare timing | Problem Details:
The prepare timing specified by the G190EAN01 datasheet should be
between 30 and 50 ms. Considering it might take some time for the
LVDS encoder to enable the signal, we should only wait the min.
required time in the panel driver and not the max. allowed time.
Fixes: 2f7b832fc992 ("drm/panel: simple: ... | ```diff
diff --git a/drivers/gpu/drm/panel/panel-simple.c b/drivers/gpu/drm/panel/panel-simple.c
index ef993a7e1a8f..236bd56208cc 100644
--- a/drivers/gpu/drm/panel/panel-simple.c
+++ b/drivers/gpu/drm/panel/panel-simple.c
@@ -1295,7 +1295,7 @@ static const struct panel_desc auo_g190ean01 = {
.height = 301,
},
.... |
c122ddd573a90363d18d5f08aefc48f98b40c3d4 | Analyze and fix the following issue in the Linux kernel code: dt-bindings: vendor-prefixes: Add Holitech | Problem Details:
Jiangxi Holitech Technology Co., Ltd. is a manufacturer of display panels.
Signed-off-by: Val Packett <val@packett.cool>
Acked-by: Krzysztof Kozlowski <krzysztof.kozlowski@oss.qualcomm.com>
Signed-off-by: Neil Armstrong <neil.armstrong@linaro.org>
Link: https://patch.msgid.link/20260217070121.190108-2... | ```diff
diff --git a/Documentation/devicetree/bindings/vendor-prefixes.yaml b/Documentation/devicetree/bindings/vendor-prefixes.yaml
index 946610afd36e..00bffb9c4469 100644
--- a/Documentation/devicetree/bindings/vendor-prefixes.yaml
+++ b/Documentation/devicetree/bindings/vendor-prefixes.yaml
@@ -713,6 +713,8 @@ patte... |
c222177d7c7e1b2e0433d9e47ec2da7015345d50 | Analyze and fix the following issue in the Linux kernel code: drm/panel: sharp-ls043t1le01: make use of prepare_prev_first | Problem Details:
The DSI link must be powered up to let panel driver to talk to the panel
during prepare() callback execution. Set the prepare_prev_first flag to
guarantee this.
Fixes: 9e15123eca79 ("drm/msm/dsi: Stop unconditionally powering up DSI hosts at modeset")
Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@... | ```diff
diff --git a/drivers/gpu/drm/panel/panel-sharp-ls043t1le01.c b/drivers/gpu/drm/panel/panel-sharp-ls043t1le01.c
index 36abfa2e65e9..dd1eaba23ad3 100644
--- a/drivers/gpu/drm/panel/panel-sharp-ls043t1le01.c
+++ b/drivers/gpu/drm/panel/panel-sharp-ls043t1le01.c
@@ -201,6 +201,7 @@ static int sharp_nt_panel_add(str... |
84a8335d8300576f1b377ae24abca1d9f197807f | Analyze and fix the following issue in the Linux kernel code: tls: Purge async_hold in tls_decrypt_async_wait() | Problem Details:
The async_hold queue pins encrypted input skbs while
the AEAD engine references their scatterlist data. Once
tls_decrypt_async_wait() returns, every AEAD operation
has completed and the engine no longer references those
skbs, so they can be freed unconditionally.
A subsequent patch adds batch async de... | ```diff
diff --git a/net/tls/tls_sw.c b/net/tls/tls_sw.c
index 5fe07f110fe8..dd9dda759bbb 100644
--- a/net/tls/tls_sw.c
+++ b/net/tls/tls_sw.c
@@ -246,6 +246,7 @@ static int tls_decrypt_async_wait(struct tls_sw_context_rx *ctx)
crypto_wait_req(-EINPROGRESS, &ctx->async_wait);
atomic_inc(&ctx->decrypt_pending);
+... |
c720fb57d56274213d027b3c5ab99080cf62a306 | Analyze and fix the following issue in the Linux kernel code: gpio: mxc: map Both Edge pad wakeup to Rising Edge | Problem Details:
Suspend may fail on i.MX8QM when Falling Edge is used as a pad wakeup
trigger due to a hardware bug in the detection logic. Since the hardware
does not support Both Edge wakeup, remap requests for Both Edge to Rising
Edge by default to avoid hitting this issue.
A warning is emitted when Falling Edge i... | ```diff
diff --git a/drivers/gpio/gpio-mxc.c b/drivers/gpio/gpio-mxc.c
index d7666fe9dbf8..647b6f4861b7 100644
--- a/drivers/gpio/gpio-mxc.c
+++ b/drivers/gpio/gpio-mxc.c
@@ -584,12 +584,13 @@ static bool mxc_gpio_set_pad_wakeup(struct mxc_gpio_port *port, bool enable)
unsigned long config;
bool ret = false;
int ... |
af475c16bc02a08ed6af6ca0c920f98a45611fe6 | Analyze and fix the following issue in the Linux kernel code: gpio: fix up CONFIG_OF dependencies | Problem Details:
A number of GPIO drivers that used to have a CONFIG_OF_GPIO dependency now fail
to build on targets without CONFIG_OF:
WARNING: unmet direct dependencies detected for GPIO_SYSCON
Depends on [n]: GPIOLIB [=y] && HAS_IOMEM [=y] && MFD_SYSCON [=y] && OF [=n]
Selected by [y]:
- GPIO_SAMA5D2_PIOBU [=... | ```diff
diff --git a/drivers/gpio/Kconfig b/drivers/gpio/Kconfig
index 13b36f103e5e..4c3f6ec336c1 100644
--- a/drivers/gpio/Kconfig
+++ b/drivers/gpio/Kconfig
@@ -236,6 +236,7 @@ config GPIO_BRCMSTB
tristate "BRCMSTB GPIO support"
default y if (ARCH_BRCMSTB || BMIPS_GENERIC)
depends on ARCH_BRCMSTB || ARCH_BCM283... |
e1f4ecd21f04f766f2cad5cca806147f47553d2f | Analyze and fix the following issue in the Linux kernel code: dt-bindings: vendor-prefixes: Add Doestek | Problem Details:
Add vendor prefix for Doestek Co., Ltd.
Link: http://www.doestek.co.kr/
Signed-off-by: Mithil Bavishi <bavishimithil@gmail.com>
Acked-by: Krzysztof Kozlowski <krzk@kernel.org>
Signed-off-by: Neil Armstrong <neil.armstrong@linaro.org>
Link: https://patch.msgid.link/20260223134941.427-3-bavishimithil@gm... | ```diff
diff --git a/Documentation/devicetree/bindings/vendor-prefixes.yaml b/Documentation/devicetree/bindings/vendor-prefixes.yaml
index b688610acd0c..946610afd36e 100644
--- a/Documentation/devicetree/bindings/vendor-prefixes.yaml
+++ b/Documentation/devicetree/bindings/vendor-prefixes.yaml
@@ -443,6 +443,8 @@ patte... |
f63a9df7e3f9f842945d292a19d9938924f066f9 | Analyze and fix the following issue in the Linux kernel code: sysctl: fix uninitialized variable in proc_do_large_bitmap | Problem Details:
proc_do_large_bitmap() does not initialize variable c, which is expected
to be set to a trailing character by proc_get_long().
However, proc_get_long() only sets c when the input buffer contains a
trailing character after the parsed value.
If c is not initialized it may happen to contain a '-'. If th... | ```diff
diff --git a/kernel/sysctl.c b/kernel/sysctl.c
index 9d3a666ffde1..c9efb17cc255 100644
--- a/kernel/sysctl.c
+++ b/kernel/sysctl.c
@@ -1118,7 +1118,7 @@ int proc_do_large_bitmap(const struct ctl_table *table, int dir,
unsigned long bitmap_len = table->maxlen;
unsigned long *bitmap = *(unsigned long **) tabl... |
d0b224cf9ab12e86a4d1ca55c760dfaa5c19cbe7 | Analyze and fix the following issue in the Linux kernel code: iio: light: veml6070: fix veml6070_read() return value | Problem Details:
veml6070_read() computes the sensor value in ret but
returns 0 instead of the actual result. This causes
veml6070_read_raw() to always report 0.
Return the computed value instead of 0.
Running make W=1 returns no errors. I was unable
to test the patch because I do not have the hardware.
Found by code... | ```diff
diff --git a/drivers/iio/light/veml6070.c b/drivers/iio/light/veml6070.c
index 6d4483c85f30..74d7246e5225 100644
--- a/drivers/iio/light/veml6070.c
+++ b/drivers/iio/light/veml6070.c
@@ -134,9 +134,7 @@ static int veml6070_read(struct veml6070_data *data)
if (ret < 0)
return ret;
- ret = (msb << 8) | lsb... |
cd7e1fef5a1ca1c4fcd232211962ac2395601636 | Analyze and fix the following issue in the Linux kernel code: xen/privcmd: unregister xenstore notifier on module exit | Problem Details:
Commit 453b8fb68f36 ("xen/privcmd: restrict usage in
unprivileged domU") added a xenstore notifier to defer setting the
restriction target until Xenstore is ready.
XEN_PRIVCMD can be built as a module, but privcmd_exit() leaves that
notifier behind. Balance the notifier lifecycle by unregistering it o... | ```diff
diff --git a/drivers/xen/privcmd.c b/drivers/xen/privcmd.c
index bbf9ee21306c..15ba592236e8 100644
--- a/drivers/xen/privcmd.c
+++ b/drivers/xen/privcmd.c
@@ -1765,6 +1765,9 @@ err_privcmdbuf:
static void __exit privcmd_exit(void)
{
+ if (!xen_initial_domain())
+ unregister_xenstore_notifier(&xenstore_noti... |
6bcfb7f46d667b04bd1a1169ccedf5fb699c60df | Analyze and fix the following issue in the Linux kernel code: LoongArch: KVM: Fix base address calculation in kvm_eiointc_regs_access() | Problem Details:
In function kvm_eiointc_regs_access(), the register base address is
caculated from array base address plus offset, the offset is absolute
value from the base address. The data type of array base address is
u64, it should be converted into the "void *" type and then plus the
offset.
Cc: <stable@vger.ke... | ```diff
diff --git a/arch/loongarch/kvm/intc/eiointc.c b/arch/loongarch/kvm/intc/eiointc.c
index c7badc813923..003bd773e11c 100644
--- a/arch/loongarch/kvm/intc/eiointc.c
+++ b/arch/loongarch/kvm/intc/eiointc.c
@@ -472,34 +472,34 @@ static int kvm_eiointc_regs_access(struct kvm_device *dev,
switch (addr) {
case EIO... |
b97bd69eb0f67b5f961b304d28e9ba45e202d841 | Analyze and fix the following issue in the Linux kernel code: LoongArch: KVM: Handle the case that EIOINTC's coremap is empty | Problem Details:
EIOINTC's coremap in eiointc_update_sw_coremap() can be empty, currently
we get a cpuid with -1 in this case, but we actually need 0 because it's
similar as the case that cpuid >= 4.
This fix an out-of-bounds access to kvm_arch::phyid_map::phys_map[].
Cc: <stable@vger.kernel.org>
Fixes: 3956a52bc05bd... | ```diff
diff --git a/arch/loongarch/kvm/intc/eiointc.c b/arch/loongarch/kvm/intc/eiointc.c
index d2acb4d09e73..c7badc813923 100644
--- a/arch/loongarch/kvm/intc/eiointc.c
+++ b/arch/loongarch/kvm/intc/eiointc.c
@@ -83,7 +83,7 @@ static inline void eiointc_update_sw_coremap(struct loongarch_eiointc *s,
if (!(s->sta... |
2db06c15d8c7a0ccb6108524e16cd9163753f354 | Analyze and fix the following issue in the Linux kernel code: LoongArch: KVM: Make kvm_get_vcpu_by_cpuid() more robust | Problem Details:
kvm_get_vcpu_by_cpuid() takes a cpuid parameter whose type is int, so
cpuid can be negative. Let kvm_get_vcpu_by_cpuid() return NULL for this
case so as to make it more robust.
This fix an out-of-bounds access to kvm_arch::phyid_map::phys_map[].
Cc: <stable@vger.kernel.org>
Fixes: 73516e9da512adc ("L... | ```diff
diff --git a/arch/loongarch/kvm/vcpu.c b/arch/loongarch/kvm/vcpu.c
index 8ffd50a470e6..831f381a8fd1 100644
--- a/arch/loongarch/kvm/vcpu.c
+++ b/arch/loongarch/kvm/vcpu.c
@@ -588,6 +588,9 @@ struct kvm_vcpu *kvm_get_vcpu_by_cpuid(struct kvm *kvm, int cpuid)
{
struct kvm_phyid_map *map;
+ if (cpuid < 0)
+ ... |
e4878c37f6679fdea91b27a0f4e60a871f0b7bad | Analyze and fix the following issue in the Linux kernel code: LoongArch: vDSO: Emit GNU_EH_FRAME correctly | Problem Details:
With -fno-asynchronous-unwind-tables and --no-eh-frame-hdr (the default
of the linker), the GNU_EH_FRAME segment (specified by vdso.lds.S) is
empty. This is not valid, as the current DWARF specification mandates
the first byte of the EH frame to be the version number 1. It causes
some unwinders to co... | ```diff
diff --git a/arch/loongarch/include/asm/linkage.h b/arch/loongarch/include/asm/linkage.h
index e2eca1a25b4e..a1bd6a3ee03a 100644
--- a/arch/loongarch/include/asm/linkage.h
+++ b/arch/loongarch/include/asm/linkage.h
@@ -41,4 +41,40 @@
.cfi_endproc; \
SYM_END(name, SYM_T_NONE)
+/*
+ * This is for the si... |
95db0c9f526d583634cddb2e5914718570fbac87 | Analyze and fix the following issue in the Linux kernel code: LoongArch: Workaround LS2K/LS7A GPU DMA hang bug | Problem Details:
1. Hardware limitation: GPU, DC and VPU are typically PCI device 06.0,
06.1 and 06.2. They share some hardware resources, so when configure the
PCI 06.0 device BAR1, DMA memory access cannot be performed through this
BAR, otherwise it will cause hardware abnormalities.
2. In typical scenarios of reboo... | ```diff
diff --git a/arch/loongarch/pci/pci.c b/arch/loongarch/pci/pci.c
index d923295ab8c6..d233ea2218fe 100644
--- a/arch/loongarch/pci/pci.c
+++ b/arch/loongarch/pci/pci.c
@@ -5,9 +5,11 @@
#include <linux/kernel.h>
#include <linux/init.h>
#include <linux/acpi.h>
+#include <linux/delay.h>
#include <linux/types.h>... |
3a28daa9b7d7c2ddf2c722e9e95d7e0928bf0cd1 | Analyze and fix the following issue in the Linux kernel code: LoongArch: Fix missing NULL checks for kstrdup() | Problem Details:
1. Replace "of_find_node_by_path("/")" with "of_root" to avoid multiple
calls to "of_node_put()".
2. Fix a potential kernel oops during early boot when memory allocation
fails while parsing CPU model from device tree.
Cc: stable@vger.kernel.org
Signed-off-by: Li Jun <lijun01@kylinos.cn>
Signed-off-by... | ```diff
diff --git a/arch/loongarch/kernel/env.c b/arch/loongarch/kernel/env.c
index 841206fde3ab..652456768b55 100644
--- a/arch/loongarch/kernel/env.c
+++ b/arch/loongarch/kernel/env.c
@@ -42,16 +42,15 @@ static int __init init_cpu_fullname(void)
int cpu, ret;
char *cpuname;
const char *model;
- struct device_n... |
1de647abdfda9dc307503d0a85152161850ba52c | Analyze and fix the following issue in the Linux kernel code: drm/i915/psr: Fixes for Dell XPS DA14260 quirk | Problem Details:
Dell seems to be changing device ID even within same device model. Due to
this we need to ignore device ID when applying quirk for Dell XPS 14
DA14260. Do this by adding DEVICE_ID_ANY and assign it to Dell XPS 14
DA14260 quirk. Also apply the quirk only for eDP Panel Replay.
Fixes: 45c77d4bf8d4 ("drm/... | ```diff
diff --git a/drivers/gpu/drm/i915/display/intel_psr.c b/drivers/gpu/drm/i915/display/intel_psr.c
index b319e5bd6274..2f1b48cd8efd 100644
--- a/drivers/gpu/drm/i915/display/intel_psr.c
+++ b/drivers/gpu/drm/i915/display/intel_psr.c
@@ -610,7 +610,8 @@ static void _panel_replay_init_dpcd(struct intel_dp *intel_dp... |
f546c77038ab898726e7344255217fbec382b97f | Analyze and fix the following issue in the Linux kernel code: tools/sched_ext: scx_pair: fix pair_ctx indexing for CPU pairs | Problem Details:
scx_pair sizes pair_ctx to nr_cpu_ids / 2, so valid pair_ctx keys are
dense pair indexes in the range [0, nr_cpu_ids / 2).
However, the userspace setup code stores pair_id as the first CPU number
in each pair. On an 8-CPU system with "-S 1", that produces pair IDs
0, 2, 4 and 6 for pairs [0,1], [2,3],... | ```diff
diff --git a/tools/sched_ext/scx_pair.c b/tools/sched_ext/scx_pair.c
index 61fd86b44c40..41b136d43a55 100644
--- a/tools/sched_ext/scx_pair.c
+++ b/tools/sched_ext/scx_pair.c
@@ -48,6 +48,7 @@ int main(int argc, char **argv)
struct bpf_link *link;
__u64 seq = 0, ecode;
__s32 stride, i, opt, outer_fd;
+ __... |
1601fe9e0423d813b1158a52e051bd3059f74197 | Analyze and fix the following issue in the Linux kernel code: ecryptfs: Log function name only once in decode_and_decrypt_filename | Problem Details:
ecryptfs_printk() already prints the function name using %s and
__func__. Drop the redundant function name from the debug log message.
Signed-off-by: Thorsten Blum <thorsten.blum@linux.dev>
Signed-off-by: Tyler Hicks <code@tyhicks.com> | ```diff
diff --git a/fs/ecryptfs/crypto.c b/fs/ecryptfs/crypto.c
index c10a2d2d9947..3cc4afb8b10d 100644
--- a/fs/ecryptfs/crypto.c
+++ b/fs/ecryptfs/crypto.c
@@ -1924,8 +1924,7 @@ int ecryptfs_decode_and_decrypt_filename(char **plaintext_name,
decoded_name_size);
if (rc) {
ecryptfs_printk(KERN_DEBUG,
-... |
3b7f363b7bba203318c77d91c131123cf059cdbb | Analyze and fix the following issue in the Linux kernel code: ecryptfs: Fix tag number in encrypt_filename() error message | Problem Details:
Report the correct tag number (70) instead of tag 72.
Use ecryptfs_printk() and reformat the string to silence the checkpatch
warning: "WARNING: quoted string split across lines".
Signed-off-by: Thorsten Blum <thorsten.blum@linux.dev>
Signed-off-by: Tyler Hicks <code@tyhicks.com> | ```diff
diff --git a/fs/ecryptfs/crypto.c b/fs/ecryptfs/crypto.c
index 3b59346d68c5..ff001d9b4582 100644
--- a/fs/ecryptfs/crypto.c
+++ b/fs/ecryptfs/crypto.c
@@ -1376,9 +1376,9 @@ ecryptfs_encrypt_filename(struct ecryptfs_filename *filename,
mount_crypt_stat, NULL,
filename->filename_size);
if (rc) {
- pr... |
7d9ebf33d85317f3f258c627de51701e2bf7642d | Analyze and fix the following issue in the Linux kernel code: ecryptfs: Set s_time_gran to get correct time granularity | Problem Details:
Set the eCryptfs superblock time granularity, using the lower
filesystem's s_time_gran value, to prevent unnecessary inode timestamp
truncation to the granularity of a full second.
The use of utimensat(2) to set a timestamp with nanosecond precision
would trigger this bug. That occurred when using the... | ```diff
diff --git a/fs/ecryptfs/main.c b/fs/ecryptfs/main.c
index f4ab387eb4ed..5f37cddb956f 100644
--- a/fs/ecryptfs/main.c
+++ b/fs/ecryptfs/main.c
@@ -531,6 +531,7 @@ static int ecryptfs_get_tree(struct fs_context *fc)
s->s_blocksize = path.dentry->d_sb->s_blocksize;
s->s_magic = ECRYPTFS_SUPER_MAGIC;
s->s_st... |
3eb8f022919187e2fe786f677569d2bd5a0b1915 | Analyze and fix the following issue in the Linux kernel code: sched_ext: Fix missing SCX_EV_SUB_BYPASS_DISPATCH aggregation in scx_read_events() | Problem Details:
025b1bd41965 introduced SCX_EV_SUB_BYPASS_DISPATCH to track scheduling
of bypassed descendant tasks, and correctly increments it per-CPU and
displays it in sysfs and dump output. However, scx_read_events() which
aggregates per-CPU counters into a summary was not updated to include
this event, causing i... | ```diff
diff --git a/kernel/sched/ext.c b/kernel/sched/ext.c
index a5d8871ac865..7043fb941130 100644
--- a/kernel/sched/ext.c
+++ b/kernel/sched/ext.c
@@ -9409,6 +9409,7 @@ static void scx_read_events(struct scx_sched *sch, struct scx_event_stats *event
scx_agg_event(events, e_cpu, SCX_EV_BYPASS_DISPATCH);
scx_ag... |
3d6379196d5fc9698b683ec40ffd9452d2183c4a | Analyze and fix the following issue in the Linux kernel code: sched_ext: Fix missing return after scx_error() in scx_dsq_move() | Problem Details:
When scx_bpf_dsq_move[_vtime]() is called on a task that belongs to a
different scheduler, scx_error() is invoked to flag the violation.
scx_error() schedules an asynchronous scheduler teardown via irq_work
and returns immediately, so execution falls through and the DSQ move
proceeds on a cross-schedul... | ```diff
diff --git a/kernel/sched/ext.c b/kernel/sched/ext.c
index 551bfb99157d..a5d8871ac865 100644
--- a/kernel/sched/ext.c
+++ b/kernel/sched/ext.c
@@ -8094,6 +8094,7 @@ static bool scx_dsq_move(struct bpf_iter_scx_dsq_kern *kit,
if (unlikely(!scx_task_on_sched(sch, p))) {
scx_error(sch, "scx_bpf_dsq_move[_vtim... |
3d4939c0ec011ad6dfda7c13362b3d2013425789 | Analyze and fix the following issue in the Linux kernel code: drm/xe: Fix confusion with locals on context creation | Problem Details:
After setting a local variable, check that local value rather that
checking destination at which the value will be stored later.
This fixes the obvious mistake in error path; without it,
allocation fail would lead to NULL dereference during context
creation.
Fixes: 89340099c6a4 ("drm/xe/lrc: Refactor... | ```diff
diff --git a/drivers/gpu/drm/xe/xe_lrc.c b/drivers/gpu/drm/xe/xe_lrc.c
index 24f4c7210cfb..9d12a0d2f0b5 100644
--- a/drivers/gpu/drm/xe/xe_lrc.c
+++ b/drivers/gpu/drm/xe/xe_lrc.c
@@ -1630,8 +1630,8 @@ static int xe_lrc_init(struct xe_lrc *lrc, struct xe_hw_engine *hwe, struct xe_v
bo = xe_bo_create_pin_map_no... |
50c577eab051638fbe8989fae1f826ecc1d2e2c7 | Analyze and fix the following issue in the Linux kernel code: drm/xe/xe_vm: Implement xe_vm_get_property_ioctl | Problem Details:
Add support for userspace to request a list of observed faults
from a specified VM.
v2:
- Only allow querying of failed pagefaults (Matt Brost)
v3:
- Remove unnecessary size parameter from helper function, as it
is a property of the arguments. (jcavitt)
- Remove unnecessary copy_from_user (Jainxun)... | ```diff
diff --git a/drivers/gpu/drm/xe/xe_device.c b/drivers/gpu/drm/xe/xe_device.c
index 05fa16044f9b..041e014ed92c 100644
--- a/drivers/gpu/drm/xe/xe_device.c
+++ b/drivers/gpu/drm/xe/xe_device.c
@@ -211,6 +211,8 @@ static const struct drm_ioctl_desc xe_ioctls[] = {
DRM_RENDER_ALLOW),
DRM_IOCTL_DEF_DRV(XE_EX... |
64c732ee2a00a2d6a2693ed25663fa0544c56ba8 | Analyze and fix the following issue in the Linux kernel code: drm/xe/xe_vm: Add per VM fault info | Problem Details:
Add additional information to each VM so they can report up to the first
50 seen faults. Only pagefaults are saved this way currently, though in
the future, all faults should be tracked by the VM for future reporting.
Additionally, of the pagefaults reported, only failed pagefaults are
saved this way... | ```diff
diff --git a/drivers/gpu/drm/xe/xe_pagefault.c b/drivers/gpu/drm/xe/xe_pagefault.c
index 918d595d1c1b..2fd55d7c98f9 100644
--- a/drivers/gpu/drm/xe/xe_pagefault.c
+++ b/drivers/gpu/drm/xe/xe_pagefault.c
@@ -250,6 +250,31 @@ static void xe_pagefault_print(struct xe_pagefault *pf)
pf->consumer.engine_instan... |
716c11d462c598328edca2565e8d25457c6ee3d6 | Analyze and fix the following issue in the Linux kernel code: drm/xe/uapi: Define drm_xe_vm_get_property | Problem Details:
Add initial declarations for the drm_xe_vm_get_property ioctl.
v2:
- Expand kernel docs for drm_xe_vm_get_property (Jianxun)
v3:
- Remove address type external definitions (Jianxun)
- Add fault type to xe_drm_fault struct (Jianxun)
v4:
- Remove engine class and instance (Ivan)
v5:
- Add declares fo... | ```diff
diff --git a/include/uapi/drm/xe_drm.h b/include/uapi/drm/xe_drm.h
index 7014dde1c9c4..6c99514a85e1 100644
--- a/include/uapi/drm/xe_drm.h
+++ b/include/uapi/drm/xe_drm.h
@@ -83,6 +83,7 @@ extern "C" {
* - &DRM_IOCTL_XE_OBSERVATION
* - &DRM_IOCTL_XE_MADVISE
* - &DRM_IOCTL_XE_VM_QUERY_MEM_RANGE_ATTRS
+ ... |
714ee6754ac5fa3dc078856a196a6b124cd797a0 | Analyze and fix the following issue in the Linux kernel code: drm/xe/xe_pagefault: Disallow writes to read-only VMAs | Problem Details:
The page fault handler should reject write/atomic access to read only
VMAs. Add code to handle this in xe_pagefault_service after the VMA
lookup.
v2:
- Apply max line length (Matthew)
Fixes: fb544b844508 ("drm/xe: Implement xe_pagefault_queue_work")
Signed-off-by: Jonathan Cavitt <jonathan.cavitt@in... | ```diff
diff --git a/drivers/gpu/drm/xe/xe_pagefault.c b/drivers/gpu/drm/xe/xe_pagefault.c
index ea4857acf28d..918d595d1c1b 100644
--- a/drivers/gpu/drm/xe/xe_pagefault.c
+++ b/drivers/gpu/drm/xe/xe_pagefault.c
@@ -187,6 +187,12 @@ static int xe_pagefault_service(struct xe_pagefault *pf)
goto unlock_vm;
}
+ if (... |
4c56a8ac6869855866de0bb368a4189739e1d24f | Analyze and fix the following issue in the Linux kernel code: cgroup: Fix cgroup_drain_dying() testing the wrong condition | Problem Details:
cgroup_drain_dying() was using cgroup_is_populated() to test whether there are
dying tasks to wait for. cgroup_is_populated() tests nr_populated_csets,
nr_populated_domain_children and nr_populated_threaded_children, but
cgroup_drain_dying() only needs to care about this cgroup's own tasks - whether
th... | ```diff
diff --git a/kernel/cgroup/cgroup.c b/kernel/cgroup/cgroup.c
index 2163054e1aa6..4ca3cb993da2 100644
--- a/kernel/cgroup/cgroup.c
+++ b/kernel/cgroup/cgroup.c
@@ -6229,20 +6229,22 @@ static int cgroup_destroy_locked(struct cgroup *cgrp)
* cgroup_drain_dying - wait for dying tasks to leave before rmdir
* @cg... |
a313357a346839d40b3a4dec393c71bf30cbb34c | Analyze and fix the following issue in the Linux kernel code: sched_ext: Documentation: Clarify ops.dispatch() role in task lifecycle | Problem Details:
ops.dispatch() is invoked when a CPU becomes available. This can occur
when a task voluntarily yields the CPU, exhausts its time slice, or is
preempted for other reasons.
If the task is still runnable, refilling its time slice in
ops.dispatch() (either by the BPF scheduler or the sched_ext core)
allow... | ```diff
diff --git a/Documentation/scheduler/sched-ext.rst b/Documentation/scheduler/sched-ext.rst
index 9e4dbabc03c0..404b4e4c33f7 100644
--- a/Documentation/scheduler/sched-ext.rst
+++ b/Documentation/scheduler/sched-ext.rst
@@ -433,13 +433,15 @@ by a sched_ext scheduler:
ops.dequeue(); /* Exiting BP... |
beef2634f81f1c086208191f7228bce1d366493d | Analyze and fix the following issue in the Linux kernel code: ksmbd: fix potencial OOB in get_file_all_info() for compound requests | Problem Details:
When a compound request consists of QUERY_DIRECTORY + QUERY_INFO
(FILE_ALL_INFORMATION) and the first command consumes nearly the entire
max_trans_size, get_file_all_info() would blindly call smbConvertToUTF16()
with PATH_MAX, causing out-of-bounds write beyond the response buffer.
In get_file_all_info... | ```diff
diff --git a/fs/smb/server/smb2pdu.c b/fs/smb/server/smb2pdu.c
index f5f1bf5f642e..6fb7a795ff5d 100644
--- a/fs/smb/server/smb2pdu.c
+++ b/fs/smb/server/smb2pdu.c
@@ -4940,7 +4940,8 @@ static int get_file_all_info(struct ksmbd_work *work,
int conv_len;
char *filename;
u64 time;
- int ret;
+ int ret, buf_f... |
865867a6652adeae23b64a9735bb727b49eb92a0 | Analyze and fix the following issue in the Linux kernel code: EDAC/i10nm: Fix spelling mistake "readd" -> "read" | Problem Details:
There is a spelling mistake in a i10nm_printk error message. Fix it.
Signed-off-by: Colin Ian King <colin.i.king@gmail.com>
Signed-off-by: Tony Luck <tony.luck@intel.com>
Link: https://patch.msgid.link/20260325203556.1228975-1-colin.i.king@gmail.com | ```diff
diff --git a/drivers/edac/i10nm_base.c b/drivers/edac/i10nm_base.c
index 6f61b7614230..63df35444214 100644
--- a/drivers/edac/i10nm_base.c
+++ b/drivers/edac/i10nm_base.c
@@ -196,7 +196,7 @@ static u64 read_imc_reg(struct skx_imc *imc, int chan, u32 offset, u8 width)
case 8:
return I10NM_GET_REG64(imc, cha... |
6caefcd9491c408a4d161f7b60c8bb3d956526dd | Analyze and fix the following issue in the Linux kernel code: selftests: netfilter: nft_concat_range.sh: add check for flush+reload bug | Problem Details:
This test will fail without
the preceding commit ("netfilter: nft_set_pipapo_avx2: fix match retart if found element is expired"):
reject overlapping range on add 0s [ OK ]
reload with flush /dev/stdin:59:32-52: Error: Could not process rule: File... | ```diff
diff --git a/tools/testing/selftests/net/netfilter/nft_concat_range.sh b/tools/testing/selftests/net/netfilter/nft_concat_range.sh
index 394166f224a4..ffdc6ccc6511 100755
--- a/tools/testing/selftests/net/netfilter/nft_concat_range.sh
+++ b/tools/testing/selftests/net/netfilter/nft_concat_range.sh
@@ -29,7 +29,... |
d3c0037ffe1273fa1961e779ff6906234d6cf53c | Analyze and fix the following issue in the Linux kernel code: netfilter: nft_set_pipapo_avx2: don't return non-matching entry on expiry | Problem Details:
New test case fails unexpectedly when avx2 matching functions are used.
The test first loads a ranomly generated pipapo set
with 'ipv4 . port' key, i.e. nft -f foo.
This works. Then, it reloads the set after a flush:
(echo flush set t s; cat foo) | nft -f -
This is expected to work, because its th... | ```diff
diff --git a/net/netfilter/nft_set_pipapo_avx2.c b/net/netfilter/nft_set_pipapo_avx2.c
index 7ff90325c97f..6395982e4d95 100644
--- a/net/netfilter/nft_set_pipapo_avx2.c
+++ b/net/netfilter/nft_set_pipapo_avx2.c
@@ -242,7 +242,7 @@ static int nft_pipapo_avx2_lookup_4b_2(unsigned long *map, unsigned long *fill,
... |
754bd2b4a084b90b5e7b630e1f423061a9b9b761 | Analyze and fix the following issue in the Linux kernel code: hwmon: (pmbus/core) Protect regulator operations with mutex | Problem Details:
The regulator operations pmbus_regulator_get_voltage(),
pmbus_regulator_set_voltage(), and pmbus_regulator_list_voltage()
access PMBus registers and shared data but were not protected by
the update_lock mutex. This could lead to race conditions.
However, adding mutex protection directly to these funct... | ```diff
diff --git a/drivers/hwmon/pmbus/pmbus_core.c b/drivers/hwmon/pmbus/pmbus_core.c
index cbc36f0ba4bf..572be3ebc03d 100644
--- a/drivers/hwmon/pmbus/pmbus_core.c
+++ b/drivers/hwmon/pmbus/pmbus_core.c
@@ -6,6 +6,7 @@
* Copyright (c) 2012 Guenter Roeck
*/
+#include <linux/atomic.h>
#include <linux/debugfs.h... |
cd658475e7694d58e1c40dabc1dacf8431ccedb2 | Analyze and fix the following issue in the Linux kernel code: hwmon: (pmbus) Introduce the concept of "write-only" attributes | Problem Details:
Attributes intended to clear sensor history are intended to be writeable
only. Reading those attributes today results in reporting more or less
random values. To avoid ABI surprises, have those attributes explicitly
return 0 when reading.
Fixes: 787c095edaa9d ("hwmon: (pmbus/core) Add support for rate... | ```diff
diff --git a/drivers/hwmon/pmbus/pmbus_core.c b/drivers/hwmon/pmbus/pmbus_core.c
index ecd1dddcbe0f..cbc36f0ba4bf 100644
--- a/drivers/hwmon/pmbus/pmbus_core.c
+++ b/drivers/hwmon/pmbus/pmbus_core.c
@@ -1209,6 +1209,12 @@ static ssize_t pmbus_show_boolean(struct device *dev,
return sysfs_emit(buf, "%d\n", val... |
805a5bd1c3f307d45ae4e9cf8915ef16d585a54a | Analyze and fix the following issue in the Linux kernel code: hwmon: (pmbus) Mark lowest/average/highest/rated attributes as read-only | Problem Details:
Writing those attributes is not supported, so mark them as read-only.
Prior to this change, attempts to write into these attributes returned
an error.
Mark boolean fields in struct pmbus_limit_attr and in struct
pmbus_sensor_attr as bit fields to reduce configuration data size.
The data is scanned on... | ```diff
diff --git a/drivers/hwmon/pmbus/pmbus_core.c b/drivers/hwmon/pmbus/pmbus_core.c
index be6d05def115..ecd1dddcbe0f 100644
--- a/drivers/hwmon/pmbus/pmbus_core.c
+++ b/drivers/hwmon/pmbus/pmbus_core.c
@@ -1495,8 +1495,9 @@ static int pmbus_add_label(struct pmbus_data *data,
struct pmbus_limit_attr {
u16 reg; ... |
21ade3eed33e055aa67e0b99ff33b6eafb57a5ec | Analyze and fix the following issue in the Linux kernel code: wifi: cfg80211: allow ToDS=0/FromDS=0 data frames on NAN data interfaces | Problem Details:
According to Wi-Fi Aware (TM) specification Table 3, data frame should
have 0 in the FromDS/ToDS fields. Don't drop received frames with 0
FromDS/ToDS if they are received on NAN_DATA interface.
While at it, fix a double indent.
Signed-off-by: Daniel Gabay <daniel.gabay@intel.com>
Signed-off-by: Miri ... | ```diff
diff --git a/net/wireless/util.c b/net/wireless/util.c
index e2878d20a32d..cff5a1bd95cc 100644
--- a/net/wireless/util.c
+++ b/net/wireless/util.c
@@ -625,8 +625,9 @@ int ieee80211_data_to_8023_exthdr(struct sk_buff *skb, struct ethhdr *ehdr,
case cpu_to_le16(0):
if (iftype != NL80211_IFTYPE_ADHOC &&
... |
789b06f9f39cdc7e895bdab2c034e39c41c8f8d6 | Analyze and fix the following issue in the Linux kernel code: wifi: virt_wifi: remove SET_NETDEV_DEV to avoid use-after-free | Problem Details:
Currently we execute `SET_NETDEV_DEV(dev, &priv->lowerdev->dev)` for
the virt_wifi net devices. However, unregistering a virt_wifi device in
netdev_run_todo() can happen together with the device referenced by
SET_NETDEV_DEV().
It can result in use-after-free during the ethtool operations performed
on ... | ```diff
diff --git a/drivers/net/wireless/virtual/virt_wifi.c b/drivers/net/wireless/virtual/virt_wifi.c
index 885dc7243e8d..97bd39d89e98 100644
--- a/drivers/net/wireless/virtual/virt_wifi.c
+++ b/drivers/net/wireless/virtual/virt_wifi.c
@@ -557,7 +557,6 @@ static int virt_wifi_newlink(struct net_device *dev,
eth_hw... |
0a4f3ef9880e505d41817419b0255d6552776143 | Analyze and fix the following issue in the Linux kernel code: docs: ja_JP: process: translate second half of 'Describe your changes' | Problem Details:
Translate the remaining part of the "Describe your changes" section in
Documentation/translations/ja_JP/process/submitting-patches.rst.
Follow review comments on wording and line wrapping, and cover guidance
on self-contained patch descriptions, imperative mood, commit
references, and Link:/Closes:/Fi... | ```diff
diff --git a/Documentation/translations/ja_JP/process/submitting-patches.rst b/Documentation/translations/ja_JP/process/submitting-patches.rst
index b89e63a1f65c..3bb2383871e1 100644
--- a/Documentation/translations/ja_JP/process/submitting-patches.rst
+++ b/Documentation/translations/ja_JP/process/submitting-p... |
897c2beb4a7799154a67942fa85a9678f885f36b | Analyze and fix the following issue in the Linux kernel code: hfsplus: fix generic/523 test-case failure | Problem Details:
The xfstests' test-case generic/523 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/523 - output mismatch (see xfstes... | ```diff
diff --git a/fs/hfsplus/attributes.c b/fs/hfsplus/attributes.c
index 704635c65e9a..fa87496409c9 100644
--- a/fs/hfsplus/attributes.c
+++ b/fs/hfsplus/attributes.c
@@ -57,7 +57,8 @@ int hfsplus_attr_build_key(struct super_block *sb, hfsplus_btree_key *key,
if (name) {
int res = hfsplus_asc2uni(sb,
(str... |
e786fab2cfcc9ab65adf35d2eab4ca94abe1955f | Analyze and fix the following issue in the Linux kernel code: docs: kdoc_yaml_file: use a better name for the tests | Problem Details:
Instead of always using a name with a number on it, use
the name of the object directly whenever possible.
When the name is already used, append a number prefix at
the end.
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
Message-ID: <d1... | ```diff
diff --git a/tools/lib/python/kdoc/kdoc_yaml_file.py b/tools/lib/python/kdoc/kdoc_yaml_file.py
index 1e2ae7c59d70..0be020d50df0 100644
--- a/tools/lib/python/kdoc/kdoc_yaml_file.py
+++ b/tools/lib/python/kdoc/kdoc_yaml_file.py
@@ -25,6 +25,7 @@ class KDocTestFile():
self.config = config
self.t... |
99ec67a9984fdf38c7ed78695aeb1b99cfee5b50 | Analyze and fix the following issue in the Linux kernel code: docs: kdoc: better handle source when producing YAML output | Problem Details:
The current logic was storing symbols source code on a list,
not linked to the actual KdocItem. While this works fine when
kernel-doc markups are OK, on places where there is a "/**"
without a valid kernel-doc markup, it ends that the 1:1 match
between source code and KdocItem doesn't happen, causing
p... | ```diff
diff --git a/tools/lib/python/kdoc/kdoc_files.py b/tools/lib/python/kdoc/kdoc_files.py
index 5a299ed44d62..2428cfc4e843 100644
--- a/tools/lib/python/kdoc/kdoc_files.py
+++ b/tools/lib/python/kdoc/kdoc_files.py
@@ -203,10 +203,6 @@ class KernelFiles():
self.results[fname] = entries
- source ... |
8326e4a21838593fe67b5d79ba6d0dc8e962ebb9 | Analyze and fix the following issue in the Linux kernel code: docs: kdoc_output: fix handling of simple tables | Problem Details:
Fix check for simple table delimiters.
ReST simple tables use "=" instead of "-". I ended testing it with
a table modified from a complex one, using "--- --- ---", instead
of searching for a real Kernel example.
Only noticed when adding an unit test and seek for an actual
example from kernel-doc mark... | ```diff
diff --git a/tools/lib/python/kdoc/kdoc_output.py b/tools/lib/python/kdoc/kdoc_output.py
index 1b54117dbe19..2bfcd356654b 100644
--- a/tools/lib/python/kdoc/kdoc_output.py
+++ b/tools/lib/python/kdoc/kdoc_output.py
@@ -846,14 +846,14 @@ class ManFormat(OutputFormat):
colspec_row = None
pos =... |
193f41dad3d4197b35be8b4cff13c606eb0e1efe | Analyze and fix the following issue in the Linux kernel code: cpupower-idle-info.1: fix short option names | Problem Details:
The cpupower-idle-info(1) man page describes '-f' as the short form of the
'--silent' option and '-e' as the short form of the '--proc' option.
But they are not correct:
$ cpupower idle-info -f
idle-info: invalid option -- 'f'
invalid or unknown argument
$ cpupower idle-info -e
idle-info: invalid opti... | ```diff
diff --git a/tools/power/cpupower/man/cpupower-idle-info.1 b/tools/power/cpupower/man/cpupower-idle-info.1
index 20b6345c53ad..b2f92aba5f5b 100644
--- a/tools/power/cpupower/man/cpupower-idle-info.1
+++ b/tools/power/cpupower/man/cpupower-idle-info.1
@@ -11,10 +11,10 @@ A tool which prints out per cpu idle info... |
129fa608b6ad08b8ab7178eeb2ec272c993aaccc | Analyze and fix the following issue in the Linux kernel code: Bluetooth: btusb: clamp SCO altsetting table indices | Problem Details:
btusb_work() maps the number of active SCO links to USB alternate
settings through a three-entry lookup table when CVSD traffic uses
transparent voice settings. The lookup currently indexes alts[] with
data->sco_num - 1 without first constraining sco_num to the number of
available table entries.
While... | ```diff
diff --git a/drivers/bluetooth/btusb.c b/drivers/bluetooth/btusb.c
index a1c5eb993e47..5c535f3ab722 100644
--- a/drivers/bluetooth/btusb.c
+++ b/drivers/bluetooth/btusb.c
@@ -2376,8 +2376,11 @@ static void btusb_work(struct work_struct *work)
if (data->air_mode == HCI_NOTIFY_ENABLE_SCO_CVSD) {
if (hdev->... |
25f420a0d4cfd61d3d23ec4b9c56d9f443d91377 | Analyze and fix the following issue in the Linux kernel code: Bluetooth: L2CAP: Fix ERTM re-init and zero pdu_len infinite loop | Problem Details:
l2cap_config_req() processes CONFIG_REQ for channels in BT_CONNECTED
state to support L2CAP reconfiguration (e.g. MTU changes). However,
since both CONF_INPUT_DONE and CONF_OUTPUT_DONE are already set from
the initial configuration, the reconfiguration path falls through to
l2cap_ertm_init(), which re-... | ```diff
diff --git a/net/bluetooth/l2cap_core.c b/net/bluetooth/l2cap_core.c
index 2603c98d7ed1..95c65fece39b 100644
--- a/net/bluetooth/l2cap_core.c
+++ b/net/bluetooth/l2cap_core.c
@@ -2398,6 +2398,9 @@ static int l2cap_segment_sdu(struct l2cap_chan *chan,
/* Remote device may have requested smaller PDUs */
pdu_l... |
00fdebbbc557a2fc21321ff2eaa22fd70c078608 | Analyze and fix the following issue in the Linux kernel code: Bluetooth: L2CAP: Fix deadlock in l2cap_conn_del() | Problem Details:
l2cap_conn_del() calls cancel_delayed_work_sync() for both info_timer
and id_addr_timer while holding conn->lock. However, the work functions
l2cap_info_timeout() and l2cap_conn_update_id_addr() both acquire
conn->lock, creating a potential AB-BA deadlock if the work is already
executing when l2cap_con... | ```diff
diff --git a/net/bluetooth/l2cap_core.c b/net/bluetooth/l2cap_core.c
index 6fd884203dc6..2603c98d7ed1 100644
--- a/net/bluetooth/l2cap_core.c
+++ b/net/bluetooth/l2cap_core.c
@@ -1771,6 +1771,9 @@ static void l2cap_conn_del(struct hci_conn *hcon, int err)
BT_DBG("hcon %p conn %p, err %d", hcon, conn, err);
... |
94d8e6fe5d0818e9300e514e095a200bd5ff93ae | Analyze and fix the following issue in the Linux kernel code: Bluetooth: btintel: serialize btintel_hw_error() with hci_req_sync_lock | Problem Details:
btintel_hw_error() issues two __hci_cmd_sync() calls (HCI_OP_RESET
and Intel exception-info retrieval) without holding
hci_req_sync_lock(). This lets it race against
hci_dev_do_close() -> btintel_shutdown_combined(), which also runs
__hci_cmd_sync() under the same lock. When both paths manipulate
hde... | ```diff
diff --git a/drivers/bluetooth/btintel.c b/drivers/bluetooth/btintel.c
index 246b6205c5e0..ab146894ba4e 100644
--- a/drivers/bluetooth/btintel.c
+++ b/drivers/bluetooth/btintel.c
@@ -251,11 +251,13 @@ void btintel_hw_error(struct hci_dev *hdev, u8 code)
bt_dev_err(hdev, "Hardware error 0x%2.2x", code);
+ ... |
f39f905e55f529b036321220af1ba4f4085564a5 | Analyze and fix the following issue in the Linux kernel code: Bluetooth: L2CAP: Fix send LE flow credits in ACL link | Problem Details:
When the L2CAP channel mode is L2CAP_MODE_ERTM/L2CAP_MODE_STREAMING,
l2cap_publish_rx_avail will be called and le flow credits will be sent in
l2cap_chan_rx_avail, even though the link type is ACL.
The logs in question as follows:
> ACL Data RX: Handle 129 flags 0x02 dlen 12
L2CAP: Unknown (0x16... | ```diff
diff --git a/net/bluetooth/l2cap_core.c b/net/bluetooth/l2cap_core.c
index 3de3e3c8e966..6fd884203dc6 100644
--- a/net/bluetooth/l2cap_core.c
+++ b/net/bluetooth/l2cap_core.c
@@ -6630,6 +6630,10 @@ static void l2cap_chan_le_send_credits(struct l2cap_chan *chan)
struct l2cap_le_credits pkt;
u16 return_credit... |
c464407ada06fdfc4d49bbb86085f02fd7f565c3 | Analyze and fix the following issue in the Linux kernel code: docs: allow long links to wrap per character to prevent page overflow | Problem Details:
Some documentation pages contain long link text without natural
break points, which can force page-wide horizontal scroll overflow
on small screens.
Use overflow-wrap: anywhere for anchor text in the docs stylesheet so
links can wrap per character as a fallback when normal word boundaries
are unavaila... | ```diff
diff --git a/Documentation/sphinx-static/custom.css b/Documentation/sphinx-static/custom.css
index cadc2fac7065..f91393426a50 100644
--- a/Documentation/sphinx-static/custom.css
+++ b/Documentation/sphinx-static/custom.css
@@ -170,6 +170,11 @@ div.body table.docutils a.reference {
overflow-wrap: anywhere;
... |
127bdd9f12ae4e77cb74f06aa60e996a2d4baafa | Analyze and fix the following issue in the Linux kernel code: docs: allow long table reference links to wrap and prevent overflow | Problem Details:
Some documentation pages contain docutils tables with reference links
that use long unbroken strings. Those strings can expand the table
width beyond the content column and cause page-wide horizontal
overflow.
Allow reference links in docutils tables in the main document body to
wrap when needed so th... | ```diff
diff --git a/Documentation/sphinx-static/custom.css b/Documentation/sphinx-static/custom.css
index 72e08782dd05..cadc2fac7065 100644
--- a/Documentation/sphinx-static/custom.css
+++ b/Documentation/sphinx-static/custom.css
@@ -165,6 +165,11 @@ code.docutils.literal span.pre {
overflow-wrap: anywhere;
}
... |
3aff388bc4e8d64583d144f3be9c0aff9a54f14d | Analyze and fix the following issue in the Linux kernel code: docs: contain horizontal overflow in C API descriptions | Problem Details:
Some documentation pages contain long C API signatures that can exceed
the content width and cause page-wide horizontal scroll overflow.
Apply contained horizontal scrolling to C API description blocks and
keep their signature rows on one line. This preserves signature
formatting while preventing them... | ```diff
diff --git a/Documentation/sphinx-static/custom.css b/Documentation/sphinx-static/custom.css
index dd69df2a7f57..72e08782dd05 100644
--- a/Documentation/sphinx-static/custom.css
+++ b/Documentation/sphinx-static/custom.css
@@ -40,6 +40,13 @@ li { text-indent: 0em; }
dl.function, dl.struct, dl.enum { margin-top... |
f2679ac773899f5fdea0b68d5077eef5f88dfd42 | Analyze and fix the following issue in the Linux kernel code: docs: allow inline literals in paragraphs to wrap to prevent overflow | Problem Details:
Some documentation pages contain long inline literals in paragraph
text that can force page-wide horizontal scroll overflow and break
layout on smaller screens.
Override the default `span.pre` white-space behavior for inline
literals and use `overflow-wrap: anywhere` so they can wrap when
needed. For ... | ```diff
diff --git a/Documentation/sphinx-static/custom.css b/Documentation/sphinx-static/custom.css
index db24f4344e6c..dd69df2a7f57 100644
--- a/Documentation/sphinx-static/custom.css
+++ b/Documentation/sphinx-static/custom.css
@@ -149,6 +149,15 @@ div.language-selection ul li:hover {
background: #dddddd;
}
... |
b0473dcd4b1d7e2e44947e7ac1820c73a268821a | Analyze and fix the following issue in the Linux kernel code: smp: Improve smp_call_function_single() CSD-lock diagnostics | Problem Details:
Both smp_call_function() and smp_call_function_single() use per-CPU
call_single_data_t variable to hold the infamous CSD lock. However,
while smp_call_function() acquires the destination CPU's CSD lock,
smp_call_function_single() instead uses the source CPU's CSD lock.
(These are two separate sets of ... | ```diff
diff --git a/kernel/smp.c b/kernel/smp.c
index bdbf145737ba..0fc4ff28ba79 100644
--- a/kernel/smp.c
+++ b/kernel/smp.c
@@ -377,6 +377,20 @@ static __always_inline void csd_unlock(call_single_data_t *csd)
static DEFINE_PER_CPU_SHARED_ALIGNED(call_single_data_t, csd_data);
+#ifdef CONFIG_CSD_LOCK_WAIT_DEBUG
... |
98752193de5b3306b6815cba5a217337c2a93876 | Analyze and fix the following issue in the Linux kernel code: PCI: mediatek-gen3: Clean up mtk_pcie_parse_port() with dev_err_probe() | Problem Details:
mtk_pcie_parse_port() in the pcie-mediatek-gen driver has a bunch of
if (err) {
dev_err(dev, "error message\n");
return err; # or goto
}
patterns.
Simplify these with dev_err_probe(). The system also gains proper deferred
probe messages that can be seen in:
/sys/kernel/debug/devices_d... | ```diff
diff --git a/drivers/pci/controller/pcie-mediatek-gen3.c b/drivers/pci/controller/pcie-mediatek-gen3.c
index 75ddb8bee168..1939cac995b5 100644
--- a/drivers/pci/controller/pcie-mediatek-gen3.c
+++ b/drivers/pci/controller/pcie-mediatek-gen3.c
@@ -876,10 +876,8 @@ static int mtk_pcie_parse_port(struct mtk_gen3_p... |
19dcccbc064d6c58eaafae1ecb94821a2535cc26 | Analyze and fix the following issue in the Linux kernel code: docs: driver-api: fix 6 spelling typos in Documentation/driver-api | Problem Details:
Fix minor spelling mistakes in the driver-api documentation. These
changes improve readability in ACPI, CXL, DMA and PCI docs.
Reviewed-by: Randy Dunlap <rdunlap@infradead.org>
Signed-off-by: Tomás Pando <tovictakamine@gmail.com>
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
Message-ID: <20260324163... | ```diff
diff --git a/Documentation/driver-api/acpi/acpi-drivers.rst b/Documentation/driver-api/acpi/acpi-drivers.rst
index b1fbbddb8b4f..376b6d8a678c 100644
--- a/Documentation/driver-api/acpi/acpi-drivers.rst
+++ b/Documentation/driver-api/acpi/acpi-drivers.rst
@@ -47,7 +47,7 @@ generally be avoided and so struct acpi... |
b7d9d2e3a8ab535ff3bc8e9156a917bb8934f856 | Analyze and fix the following issue in the Linux kernel code: arm64: mm: __ptep_set_access_flags must hint correct TTL | Problem Details:
It has been reported that since commit 752a0d1d483e9 ("arm64: mm:
Provide level hint for flush_tlb_page()"), the arm64
check_hugetlb_options selftest has been locking up while running "Check
child hugetlb memory with private mapping, sync error mode and mmap
memory".
This is due to hugetlb (and THP) h... | ```diff
diff --git a/arch/arm64/include/asm/pgtable.h b/arch/arm64/include/asm/pgtable.h
index b1a96a8f2b17..53e39d2182f5 100644
--- a/arch/arm64/include/asm/pgtable.h
+++ b/arch/arm64/include/asm/pgtable.h
@@ -1248,9 +1248,18 @@ static inline pmd_t pmd_modify(pmd_t pmd, pgprot_t newprot)
return pte_pmd(pte_modify(pm... |
ebeec2b000a90cd8aae86d1931ff5ef23af8284e | Analyze and fix the following issue in the Linux kernel code: media: staging: imx: configure src_mux in csi_start | Problem Details:
After media_pipeline_start() was called, the media graph is assumed to
be validated. It won't be validated again if a second stream starts.
The imx-media-csi driver, however, changes hardware configuration in the
link_validate() callback. This can result in started streams with
misconfigured hardware.... | ```diff
diff --git a/drivers/staging/media/imx/imx-media-csi.c b/drivers/staging/media/imx/imx-media-csi.c
index dc594b286f73..ef22a083f8eb 100644
--- a/drivers/staging/media/imx/imx-media-csi.c
+++ b/drivers/staging/media/imx/imx-media-csi.c
@@ -744,6 +744,28 @@ static int csi_setup(struct csi_priv *priv,
return 0;
... |
9df2aaa64890c0b6226057eb6fcb6352bd2df432 | Analyze and fix the following issue in the Linux kernel code: media: staging: imx: request mbus_config in csi_start | Problem Details:
Request the upstream mbus_config in csi_start, which starts the stream,
instead of caching it in link_validate.
This allows to get rid of the mbus_cfg field in the struct csi_priv and
avoids state in the driver.
Fixes: 4a34ec8e470c ("[media] media: imx: Add CSI subdev driver")
Cc: stable@vger.kernel.... | ```diff
diff --git a/drivers/staging/media/imx/imx-media-csi.c b/drivers/staging/media/imx/imx-media-csi.c
index 725478bc2026..dc594b286f73 100644
--- a/drivers/staging/media/imx/imx-media-csi.c
+++ b/drivers/staging/media/imx/imx-media-csi.c
@@ -97,9 +97,6 @@ struct csi_priv {
/* the mipi virtual channel number at l... |
072a8f60aa50034a724b6ffcd1664ea372eedd7b | Analyze and fix the following issue in the Linux kernel code: media: staging: imx: fix code style issues | Problem Details:
Applied checkpatch.pl recommendations:
- corrected whitespace
- fixed line length
- adjusted indentation
Signed-off-by: vivek yadav <y9.vivek@gmail.com>
Signed-off-by: Frank Li <Frank.Li@nxp.com>
Signed-off-by: Hans Verkuil <hverkuil+cisco@kernel.org> | ```diff
diff --git a/drivers/staging/media/imx/imx-media-csi.c b/drivers/staging/media/imx/imx-media-csi.c
index fd7e37d803e7..725478bc2026 100644
--- a/drivers/staging/media/imx/imx-media-csi.c
+++ b/drivers/staging/media/imx/imx-media-csi.c
@@ -1509,7 +1509,7 @@ static void csi_try_fmt(struct csi_priv *priv,
}
... |
1380e36cf8ffd923a4bb0a337abf6473529ce9a2 | Analyze and fix the following issue in the Linux kernel code: arm64: dts: renesas: beacon-renesom: Remove LVDS Panel | Problem Details:
The LVDS Panel was never shipped from Beacon, and there are device
tree errors, so rather than trying to fix them, remove it instead.
Signed-off-by: Adam Ford <aford173@gmail.com>
Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>
Link: https://patch.msgid.link/20260325162735.24467-1-aford173@g... | ```diff
diff --git a/arch/arm64/boot/dts/renesas/beacon-renesom-baseboard.dtsi b/arch/arm64/boot/dts/renesas/beacon-renesom-baseboard.dtsi
index d55f2d7066ad..62ab0a3776e7 100644
--- a/arch/arm64/boot/dts/renesas/beacon-renesom-baseboard.dtsi
+++ b/arch/arm64/boot/dts/renesas/beacon-renesom-baseboard.dtsi
@@ -8,15 +8,6... |
c07065ba878feb94be499990ef76ced77f5702af | Analyze and fix the following issue in the Linux kernel code: ARM: dts: r9a06g032: Add #address-cells to the GIC node | Problem Details:
When checking dts involving the r9a06g032.dtsi file, the following kind
of warnings are reported:
Missing property '#address-cells' in node xxx, using 0 as fallback
Indeed, #address-cells is not present in the GIC interrupt controller
node.
Fix it adding the missing property.
Value '0' is correct... | ```diff
diff --git a/arch/arm/boot/dts/renesas/r9a06g032.dtsi b/arch/arm/boot/dts/renesas/r9a06g032.dtsi
index daa7d5de575d..442ea26b40f5 100644
--- a/arch/arm/boot/dts/renesas/r9a06g032.dtsi
+++ b/arch/arm/boot/dts/renesas/r9a06g032.dtsi
@@ -554,6 +554,7 @@
compatible = "arm,gic-400", "arm,cortex-a7-gic";
inte... |
0c3cd7fe2c20b440afb37c056c56260834e6e92c | Analyze and fix the following issue in the Linux kernel code: arm64: dts: renesas: Fix KSZ9131 PHY bogus txdv-skew-psec properties | Problem Details:
The KSZ9131 schema does not document the "txdv-skew-psec" property,
neither does the kernel driver support this property. It does however
document and support the "txen-skew-psec" property. Fix what is likely
a copy-paste error from the matching "rxdv-skew-psec" property, use the
"txen-skew-psec" pro... | ```diff
diff --git a/arch/arm64/boot/dts/renesas/r9a09g056n48-rzv2n-evk.dts b/arch/arm64/boot/dts/renesas/r9a09g056n48-rzv2n-evk.dts
index dd5e4b13f0f8..00e5455ea5ab 100644
--- a/arch/arm64/boot/dts/renesas/r9a09g056n48-rzv2n-evk.dts
+++ b/arch/arm64/boot/dts/renesas/r9a09g056n48-rzv2n-evk.dts
@@ -265,7 +265,7 @@
rx... |
7b3b1e5a87b2f5e35c52b5386d7c327be869454f | Analyze and fix the following issue in the Linux kernel code: PCI: hv: Set default NUMA node to 0 for devices without affinity info | Problem Details:
When hv_pci_assign_numa_node() processes a device that does not have
HV_PCI_DEVICE_FLAG_NUMA_AFFINITY set or has an out-of-range
virtual_numa_node, the device NUMA node is left unset. On x86_64,
the uninitialized default happens to be 0, but on ARM64 it is
NUMA_NO_NODE (-1).
Tests show that when no NU... | ```diff
diff --git a/drivers/pci/controller/pci-hyperv.c b/drivers/pci/controller/pci-hyperv.c
index 2c7a406b4ba8..38a790f642a1 100644
--- a/drivers/pci/controller/pci-hyperv.c
+++ b/drivers/pci/controller/pci-hyperv.c
@@ -2485,6 +2485,14 @@ static void hv_pci_assign_numa_node(struct hv_pcibus_device *hbus)
if (!hv_... |
a05d61fe0a9bf2646a152d494498e42b0b630a58 | Analyze and fix the following issue in the Linux kernel code: media: m88ds3103: Implement 3103c chip support | Problem Details:
Hauppauge 416e products have moved to using the 3103C satellite
demod. This demod behaves mostly like a 3103b, but has
different initialization, clocking, and lock operations.
This Linux code was reverse egineered entirely
using a Windows reference driver.
Signed-off-by: Bradford Love <brad@nextdimen... | ```diff
diff --git a/drivers/media/dvb-frontends/m88ds3103.c b/drivers/media/dvb-frontends/m88ds3103.c
index be156180e5ef..44bee1f3c5e9 100644
--- a/drivers/media/dvb-frontends/m88ds3103.c
+++ b/drivers/media/dvb-frontends/m88ds3103.c
@@ -78,7 +78,10 @@ static int m88ds3103b_dt_write(struct m88ds3103_dev *dev, int reg,... |
1de7981b2cd49c184538ed370e1a49e5188f4c30 | Analyze and fix the following issue in the Linux kernel code: media: em28xx: Add Hauppauge em2828X based 9x5 revisions | Problem Details:
The Hauppauge HVR-935, HVR-955, and HVR-975 have moved
from cx231xx bridge to em2828x bridge.
The following USB device id's are new:
2040:0360 - HVR-935 ISOC transport
2040:8360 - HVR-935 Bulk transport
2040:0366 - HVR-955 ISOC transport
2040:8366 - HVR-955 Bulk transport
2040:036a - HVR-975 ISOC tran... | ```diff
diff --git a/drivers/media/usb/em28xx/em28xx-cards.c b/drivers/media/usb/em28xx/em28xx-cards.c
index 0c5851bf4ef0..0b89033d28cb 100644
--- a/drivers/media/usb/em28xx/em28xx-cards.c
+++ b/drivers/media/usb/em28xx/em28xx-cards.c
@@ -553,6 +553,36 @@ static struct em28xx_reg_seq hauppauge_usb_quadhd_atsc_reg_seq[]... |
854289044e4be382423b937ccef970ee06ba2575 | Analyze and fix the following issue in the Linux kernel code: media: em28xx: driver supports two frontends, but not i2c clients | Problem Details:
Fix em28xx driver to accommodate a device with two i2c client demods.
The em28xx driver already had a multi frontend aware device struct,
with two fe, just not two i2c client demods. Since Hauppauge HVR975
has transitioned from cx231xx to em2828X, this is required for full
functionality of the devices... | ```diff
diff --git a/drivers/media/usb/em28xx/em28xx-dvb.c b/drivers/media/usb/em28xx/em28xx-dvb.c
index 95c6a38c9cc5..17808a4c0fe5 100644
--- a/drivers/media/usb/em28xx/em28xx-dvb.c
+++ b/drivers/media/usb/em28xx/em28xx-dvb.c
@@ -97,7 +97,7 @@ struct em28xx_dvb {
struct semaphore pll_mutex;
bool dont_attach... |
58119a0cffa8a597ce5d39587beb0f5a763434a0 | Analyze and fix the following issue in the Linux kernel code: media: au0828: Fix green screen in analog | Problem Details:
When the driver was converted to VB2 the original function to fix
green frame detection was removed and a default vb2 dqbuf function
was used instead. This vb2 dqbuf function leads to green frames not
being detected and correupting stream captures.
The vidioc_dqbuf function checks the greenscreen flag... | ```diff
diff --git a/drivers/media/usb/au0828/au0828-video.c b/drivers/media/usb/au0828/au0828-video.c
index fbaa542c8259..3c53105f3d2b 100644
--- a/drivers/media/usb/au0828/au0828-video.c
+++ b/drivers/media/usb/au0828/au0828-video.c
@@ -1671,6 +1671,27 @@ static int vidioc_log_status(struct file *file, void *fh)
re... |
8e53399c63c3152fd572596acedcdaea4cabbc45 | Analyze and fix the following issue in the Linux kernel code: media: em28xx: Add support for Empia em2828X bridge | Problem Details:
The empia em2828X usb bridge contains previous functionality,
but also contains an embedded video decoder. The implemented
capabilities include composite and s-video inputs, as well as
analog TV. Analog TV is expected in CVBS format, it must be
demodulated already.
Media controller decoder entity is i... | ```diff
diff --git a/drivers/media/usb/em28xx/em28xx-cards.c b/drivers/media/usb/em28xx/em28xx-cards.c
index d7075ebabceb..67266bddb713 100644
--- a/drivers/media/usb/em28xx/em28xx-cards.c
+++ b/drivers/media/usb/em28xx/em28xx-cards.c
@@ -3633,6 +3633,11 @@ static int em28xx_init_dev(struct em28xx *dev, struct usb_devi... |
ed8444006df9863ffa682e315352c44a49d9f4cb | Analyze and fix the following issue in the Linux kernel code: arm64: dts: renesas: sparrow-hawk: Reserve first 128 MiB of DRAM | Problem Details:
Mark the first 128 MiB of DRAM as reserved. The first 128 MiB of DRAM
may optionally be used by TFA and other firmware for its own purposes,
and in such case, Linux must not use this memory.
On this platform, U-Boot runs in EL3 and starts TFA BL31 and Linux from
a single combined fitImage. U-Boot has ... | ```diff
diff --git a/arch/arm64/boot/dts/renesas/r8a779g3-sparrow-hawk.dts b/arch/arm64/boot/dts/renesas/r8a779g3-sparrow-hawk.dts
index ff07d984cbf2..812b133cf29e 100644
--- a/arch/arm64/boot/dts/renesas/r8a779g3-sparrow-hawk.dts
+++ b/arch/arm64/boot/dts/renesas/r8a779g3-sparrow-hawk.dts
@@ -118,6 +118,17 @@
reg =... |
8a6391ec669366cbe7bde92b468c561e8b309fd6 | Analyze and fix the following issue in the Linux kernel code: ASoC: rockchip: rockchip_sai: Set slot width for non-TDM mode | Problem Details:
Currently the slot width in non-TDM mode is always kept at the POR value
of 32 bits, regardless of the sample width, which doesn't work well for
some codecs such as NAU8822.
Set the slot width according to the sample width in non-TDM mode, which
is what other CPU DAI drivers do.
Tested on the followi... | ```diff
diff --git a/sound/soc/rockchip/rockchip_sai.c b/sound/soc/rockchip/rockchip_sai.c
index 1bf614dbdf4d..ed393e5034a4 100644
--- a/sound/soc/rockchip/rockchip_sai.c
+++ b/sound/soc/rockchip/rockchip_sai.c
@@ -628,6 +628,10 @@ static int rockchip_sai_hw_params(struct snd_pcm_substream *substream,
regmap_update... |
348741a97c28d7679fb1e204aeec0d6305fc6817 | Analyze and fix the following issue in the Linux kernel code: pinctrl: stm32: add firewall checks before probing the HDP driver | Problem Details:
Because the HDP peripheral both depends on debug and firewall
configuration, when CONFIG_STM32_FIREWALL is present, use the
stm32 firewall framework to be able to check these configuration against
the relevant controllers.
Signed-off-by: Gatien Chevallier <gatien.chevallier@foss.st.com>
Reviewed-by: C... | ```diff
diff --git a/drivers/pinctrl/stm32/pinctrl-stm32-hdp.c b/drivers/pinctrl/stm32/pinctrl-stm32-hdp.c
index 0b1dff01e04c..cce477e86ef9 100644
--- a/drivers/pinctrl/stm32/pinctrl-stm32-hdp.c
+++ b/drivers/pinctrl/stm32/pinctrl-stm32-hdp.c
@@ -4,6 +4,7 @@
* Author: Clément Le Goffic <clement.legoffic@foss.st.com> ... |
f1939c6a0bed6a4af8339fd0aeb28a17b7a0d4c7 | Analyze and fix the following issue in the Linux kernel code: drivers: bus: add the stm32 debug bus driver | Problem Details:
Add the stm32 debug bus driver that is responsible of checking the
debug subsystem accessibility before probing the related peripheral
drivers.
This driver is OP-TEE dependent and relies on the STM32 debug access
PTA.
Signed-off-by: Gatien Chevallier <gatien.chevallier@foss.st.com>
Link: https://lore... | ```diff
diff --git a/MAINTAINERS b/MAINTAINERS
index 55af015174a5..63f59748d661 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -25009,6 +25009,7 @@ F: drivers/hwmon/pmbus/stef48h28.c
ST STM32 FIREWALL
M: Gatien Chevallier <gatien.chevallier@foss.st.com>
S: Maintained
+F: drivers/bus/stm32_dbg_bus.c
F: drivers/bus/st... |
2b690a435643bde649a088bfc59be5282acf018f | Analyze and fix the following issue in the Linux kernel code: dt-bindings: bus: document the stm32 debug bus | Problem Details:
Document the stm32 debug bus. The debug bus is responsible for
checking the debug sub-system accessibility before probing any related
drivers.
Signed-off-by: Gatien Chevallier <gatien.chevallier@foss.st.com>
Reviewed-by: Rob Herring (Arm) <robh@kernel.org>
Link: https://lore.kernel.org/r/20260226-debu... | ```diff
diff --git a/Documentation/devicetree/bindings/bus/st,stm32mp131-dbg-bus.yaml b/Documentation/devicetree/bindings/bus/st,stm32mp131-dbg-bus.yaml
new file mode 100644
index 000000000000..6c74433efbe3
--- /dev/null
+++ b/Documentation/devicetree/bindings/bus/st,stm32mp131-dbg-bus.yaml
@@ -0,0 +1,76 @@
+# SPDX-Lic... |
f7cfd2b29127893982b4f73908df1036cfc0b9ff | Analyze and fix the following issue in the Linux kernel code: dt-bindings: pinctrl: document access-controllers property for stm32 HDP | Problem Details:
HDP being functional depends on the debug configuration on the platform
that can be checked using the access-controllers property, document it.
Signed-off-by: Gatien Chevallier <gatien.chevallier@foss.st.com>
Acked-by: Rob Herring (Arm) <robh@kernel.org>
Acked-by: Linus Walleij <linusw@kernel.org>
Lin... | ```diff
diff --git a/Documentation/devicetree/bindings/pinctrl/st,stm32-hdp.yaml b/Documentation/devicetree/bindings/pinctrl/st,stm32-hdp.yaml
index 845b6b7b7552..8f8b4b68aaa3 100644
--- a/Documentation/devicetree/bindings/pinctrl/st,stm32-hdp.yaml
+++ b/Documentation/devicetree/bindings/pinctrl/st,stm32-hdp.yaml
@@ -2... |
d5ce3b4e951bc41a6ce877c8500bb4fe42146669 | Analyze and fix the following issue in the Linux kernel code: bus: rifsc: fix RIF configuration check for peripherals | Problem Details:
Peripheral holding CID0 cannot be accessed, remove this completely
incorrect check. While there, fix and simplify the semaphore checking
that should be performed when the CID filtering is enabled.
Fixes: a18208457253 ("bus: rifsc: introduce RIFSC firewall controller driver")
Signed-off-by: Gatien Che... | ```diff
diff --git a/drivers/bus/stm32_rifsc.c b/drivers/bus/stm32_rifsc.c
index ab8d4e3128c3..19d10379dcef 100644
--- a/drivers/bus/stm32_rifsc.c
+++ b/drivers/bus/stm32_rifsc.c
@@ -687,34 +687,6 @@ static int stm32_rifsc_grant_access(struct stm32_firewall_controller *ctrl, u32
sec_reg_value = readl(rifsc_controller... |
b7fc8970e73afa5fbd98fb785d987cf4a4f045ca | Analyze and fix the following issue in the Linux kernel code: ARM: dts: stm32: fix misalignments in nodes of stm32mp131 | Problem Details:
Since the ETZPC system bus was introduced, misalignments have appeared
in some nodes moved under the etzpc parent node.
Signed-off-by: Amelie Delaunay <amelie.delaunay@foss.st.com>
Link: https://lore.kernel.org/r/20260304-mp1x_alignment_issues-v1-2-19a8013782a5@foss.st.com
Signed-off-by: Alexandre Tor... | ```diff
diff --git a/arch/arm/boot/dts/st/stm32mp131.dtsi b/arch/arm/boot/dts/st/stm32mp131.dtsi
index 164ad704f764..83ae59b73dd0 100644
--- a/arch/arm/boot/dts/st/stm32mp131.dtsi
+++ b/arch/arm/boot/dts/st/stm32mp131.dtsi
@@ -1248,7 +1248,7 @@
resets = <&rcc USART1_R>;
wakeup-source;
dmas = <&dmamux1 41... |
9203b1605c60805798be92551abf6cb9d7e0c0af | Analyze and fix the following issue in the Linux kernel code: ARM: dts: stm32: fix misalignments in nodes of stm32mp151 | Problem Details:
Since the ETZPC system bus was introduced, misalignments have appeared
in some nodes moved under the etzpc parent node.
Signed-off-by: Amelie Delaunay <amelie.delaunay@foss.st.com>
Link: https://lore.kernel.org/r/20260304-mp1x_alignment_issues-v1-1-19a8013782a5@foss.st.com
Signed-off-by: Alexandre Tor... | ```diff
diff --git a/arch/arm/boot/dts/st/stm32mp151.dtsi b/arch/arm/boot/dts/st/stm32mp151.dtsi
index e3ec4e951bf3..84f68e8563d8 100644
--- a/arch/arm/boot/dts/st/stm32mp151.dtsi
+++ b/arch/arm/boot/dts/st/stm32mp151.dtsi
@@ -1275,7 +1275,7 @@
clocks = <&rcc USART6_K>;
wakeup-source;
dmas = <&dmamux1 71... |
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