id stringlengths 40 40 | instruction stringlengths 68 308 | input stringlengths 17 33.4k | output stringlengths 100 30k |
|---|---|---|---|
7375f22495e7cd1c5b3b5af9dcc4f6dffe34ce49 | Analyze and fix the following issue in the Linux kernel code: fs/buffer: fix use-after-free when call bh_read() helper | Problem Details:
There's issue as follows:
BUG: KASAN: stack-out-of-bounds in end_buffer_read_sync+0xe3/0x110
Read of size 8 at addr ffffc9000168f7f8 by task swapper/3/0
CPU: 3 UID: 0 PID: 0 Comm: swapper/3 Not tainted 6.16.0-862.14.0.6.x86_64
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996)
Call Trace:
<IRQ>
du... | ```diff
diff --git a/fs/buffer.c b/fs/buffer.c
index ead4dc85debd..6a8752f7bbed 100644
--- a/fs/buffer.c
+++ b/fs/buffer.c
@@ -157,8 +157,8 @@ static void __end_buffer_read_notouch(struct buffer_head *bh, int uptodate)
*/
void end_buffer_read_sync(struct buffer_head *bh, int uptodate)
{
- __end_buffer_read_notouch(... |
006568ab4c5ca2309ceb36fa553e390b4aa9c0c7 | Analyze and fix the following issue in the Linux kernel code: pid: Add a judgment for ns null in pid_nr_ns | Problem Details:
__task_pid_nr_ns
ns = task_active_pid_ns(current);
pid_nr_ns(rcu_dereference(*task_pid_ptr(task, type)), ns);
if (pid && ns->level <= pid->level) {
Sometimes null is returned for task_active_pid_ns. Then it will trigger kernel panic in pid_nr_ns.
For example:
Unable t... | ```diff
diff --git a/kernel/pid.c b/kernel/pid.c
index c45a28c16cd2..14e908f2f0cb 100644
--- a/kernel/pid.c
+++ b/kernel/pid.c
@@ -491,7 +491,7 @@ pid_t pid_nr_ns(struct pid *pid, struct pid_namespace *ns)
struct upid *upid;
pid_t nr = 0;
- if (pid && ns->level <= pid->level) {
+ if (pid && ns && ns->level <= pid... |
96d6bc84742f9e08b70bd1193da32cf0f09a0058 | Analyze and fix the following issue in the Linux kernel code: pinctrl: equilibrium: Remove redundant semicolons | Problem Details:
Remove unnecessary semicolons.
Fixes: 1948d5c51dba4 ("pinctrl: Add pinmux & GPIO controller driver for a new SoC")
Signed-off-by: Liao Yuanhong <liaoyuanhong@vivo.com>
Reviewed-by: Andy Shevchenko <andriy.shevchenko@intel.com>
Link: https://lore.kernel.org/20250812075444.8310-1-liaoyuanhong@vivo.com
S... | ```diff
diff --git a/drivers/pinctrl/pinctrl-equilibrium.c b/drivers/pinctrl/pinctrl-equilibrium.c
index 210044185679..01731d51a7c4 100644
--- a/drivers/pinctrl/pinctrl-equilibrium.c
+++ b/drivers/pinctrl/pinctrl-equilibrium.c
@@ -445,7 +445,7 @@ static int eqbr_pinconf_get(struct pinctrl_dev *pctldev, unsigned int pin... |
73861970938ad1323eb02bbbc87f6fbd1e5bacca | Analyze and fix the following issue in the Linux kernel code: minixfs: Verify inode mode when loading from disk | Problem Details:
The inode mode loaded from corrupted disk can be invalid. Do like what
commit 0a9e74051313 ("isofs: Verify inode mode when loading from disk")
does.
Reported-by: syzbot <syzbot+895c23f6917da440ed0d@syzkaller.appspotmail.com>
Closes: https://syzkaller.appspot.com/bug?extid=895c23f6917da440ed0d
Signed-o... | ```diff
diff --git a/fs/minix/inode.c b/fs/minix/inode.c
index df9d11479caf..32db676127a9 100644
--- a/fs/minix/inode.c
+++ b/fs/minix/inode.c
@@ -492,8 +492,14 @@ void minix_set_inode(struct inode *inode, dev_t rdev)
inode->i_op = &minix_symlink_inode_operations;
inode_nohighmem(inode);
inode->i_mapping->a_op... |
eef32050636a3390724dfe532ab9af9d58c854c3 | Analyze and fix the following issue in the Linux kernel code: pinctrl: rp1: Add regmap ranges to RP1 gpio controller | Problem Details:
The current gpio driver for RP1 shows only the very first register
from sysfs, e.g.:
$ cat /sys/kernel/debug/regmap/1f000d0000.gpio-rp1-pinctrl/registers
0: 0abe0000
Add the correct ranges to the regmap configuration.
Signed-off-by: Andrea della Porta <andrea.porta@suse.com>
Link: https://lore.kerne... | ```diff
diff --git a/drivers/pinctrl/pinctrl-rp1.c b/drivers/pinctrl/pinctrl-rp1.c
index dadafc935dbb..b231efc62ff3 100644
--- a/drivers/pinctrl/pinctrl-rp1.c
+++ b/drivers/pinctrl/pinctrl-rp1.c
@@ -1623,12 +1623,97 @@ MODULE_DEVICE_TABLE(of, rp1_pinctrl_match);
static struct rp1_pinctrl rp1_pinctrl_data = {};
-st... |
8e7e265d558e0257d6dacc78ec64aff4ba75f61e | Analyze and fix the following issue in the Linux kernel code: debugfs: fix mount options not being applied | Problem Details:
Mount options (uid, gid, mode) are silently ignored when debugfs is
mounted. This is a regression introduced during the conversion to the
new mount API.
When the mount API conversion was done, the parsed options were never
applied to the superblock when it was reused. As a result, the mount
options we... | ```diff
diff --git a/fs/debugfs/inode.c b/fs/debugfs/inode.c
index a0357b0cf362..c12d649df6a5 100644
--- a/fs/debugfs/inode.c
+++ b/fs/debugfs/inode.c
@@ -183,6 +183,9 @@ static int debugfs_reconfigure(struct fs_context *fc)
struct debugfs_fs_info *sb_opts = sb->s_fs_info;
struct debugfs_fs_info *new_opts = fc->s_f... |
5141ae32d4b8971d7b689854fd47a200e695bda3 | Analyze and fix the following issue in the Linux kernel code: staging: rtl8723bs: fix coding style issues in core/rtw_mlme.c | Problem Details:
Fix blank line issues in coding style:
- Remove unnecessary blank lines after an open brace '{'.
- Remove unnecessary blank lines before a closing brace '}'.
- Add missing blank lines after variable declarations.
- Add blank lines after function, struct, union, and enum declarations.
Signed-off-by: Ni... | ```diff
diff --git a/drivers/staging/rtl8723bs/core/rtw_mlme.c b/drivers/staging/rtl8723bs/core/rtw_mlme.c
index fdf06b5253a7..c06d990350e6 100644
--- a/drivers/staging/rtl8723bs/core/rtw_mlme.c
+++ b/drivers/staging/rtl8723bs/core/rtw_mlme.c
@@ -200,7 +200,6 @@ void _rtw_free_network(struct mlme_priv *pmlmepriv, struc... |
b47b493d6387ae437098112936f32be27f73516c | Analyze and fix the following issue in the Linux kernel code: most: core: Drop device reference after usage in get_channel() | Problem Details:
In get_channel(), the reference obtained by bus_find_device_by_name()
was dropped via put_device() before accessing the device's driver data
Move put_device() after usage to avoid potential issues.
Fixes: 2485055394be ("staging: most: core: drop device reference")
Cc: stable <stable@kernel.org>
Signed... | ```diff
diff --git a/drivers/most/core.c b/drivers/most/core.c
index a635d5082ebb..da319d108ea1 100644
--- a/drivers/most/core.c
+++ b/drivers/most/core.c
@@ -538,8 +538,8 @@ static struct most_channel *get_channel(char *mdev, char *mdev_ch)
dev = bus_find_device_by_name(&mostbus, NULL, mdev);
if (!dev)
return N... |
7afba9221f70d4cbce0f417c558879cba0eb5e66 | Analyze and fix the following issue in the Linux kernel code: comedi: Make insn_rw_emulate_bits() do insn->n samples | Problem Details:
The `insn_rw_emulate_bits()` function is used as a default handler for
`INSN_READ` instructions for subdevices that have a handler for
`INSN_BITS` but not for `INSN_READ`. Similarly, it is used as a default
handler for `INSN_WRITE` instructions for subdevices that have a handler
for `INSN_BITS` but no... | ```diff
diff --git a/drivers/comedi/drivers.c b/drivers/comedi/drivers.c
index f1dc854928c1..c9ebaadc5e82 100644
--- a/drivers/comedi/drivers.c
+++ b/drivers/comedi/drivers.c
@@ -620,11 +620,9 @@ static int insn_rw_emulate_bits(struct comedi_device *dev,
unsigned int chan = CR_CHAN(insn->chanspec);
unsigned int bas... |
3cd212e895ca2d58963fdc6422502b10dd3966bb | Analyze and fix the following issue in the Linux kernel code: comedi: Fix use of uninitialized memory in do_insn_ioctl() and do_insnlist_ioctl() | Problem Details:
syzbot reports a KMSAN kernel-infoleak in `do_insn_ioctl()`. A kernel
buffer is allocated to hold `insn->n` samples (each of which is an
`unsigned int`). For some instruction types, `insn->n` samples are
copied back to user-space, unless an error code is being returned. The
problem is that not all t... | ```diff
diff --git a/drivers/comedi/comedi_fops.c b/drivers/comedi/comedi_fops.c
index 23b7178522ae..7e2f2b1a1c36 100644
--- a/drivers/comedi/comedi_fops.c
+++ b/drivers/comedi/comedi_fops.c
@@ -1587,6 +1587,9 @@ static int do_insnlist_ioctl(struct comedi_device *dev,
memset(&data[n], 0, (MIN_SAMPLES - n) *
... |
96cb948408b3adb69df7e451ba7da9d21f814d00 | Analyze and fix the following issue in the Linux kernel code: comedi: pcl726: Prevent invalid irq number | Problem Details:
The reproducer passed in an irq number(0x80008000) that was too large,
which triggered the oob.
Added an interrupt number check to prevent users from passing in an irq
number that was too large.
If `it->options[1]` is 31, then `1 << it->options[1]` is still invalid
because it shifts a 1-bit into the ... | ```diff
diff --git a/drivers/comedi/drivers/pcl726.c b/drivers/comedi/drivers/pcl726.c
index 0430630e6ebb..b542896fa0e4 100644
--- a/drivers/comedi/drivers/pcl726.c
+++ b/drivers/comedi/drivers/pcl726.c
@@ -328,7 +328,8 @@ static int pcl726_attach(struct comedi_device *dev,
* Hook up the external trigger source inte... |
300a0cfe9f375b2843bcb331bcfa7503475ef5dd | Analyze and fix the following issue in the Linux kernel code: cdx: Fix off-by-one error in cdx_rpmsg_probe() | Problem Details:
In cdx_rpmsg_probe(), strscpy() is incorrectly called with the length of
the source string (excluding the NUL terminator) rather than the size of
the destination buffer. This results in one character less being copied
from 'cdx_rpmsg_id_table[0].name' to 'chinfo.name'.
Use the destination buffer size ... | ```diff
diff --git a/drivers/cdx/controller/cdx_rpmsg.c b/drivers/cdx/controller/cdx_rpmsg.c
index 04b578a0be17..61f1a290ff08 100644
--- a/drivers/cdx/controller/cdx_rpmsg.c
+++ b/drivers/cdx/controller/cdx_rpmsg.c
@@ -129,8 +129,7 @@ static int cdx_rpmsg_probe(struct rpmsg_device *rpdev)
chinfo.src = RPMSG_ADDR_AN... |
1ca61060de92a4320d73adfe5dc8d335653907ac | Analyze and fix the following issue in the Linux kernel code: fpga: zynq_fpga: Fix the wrong usage of dma_map_sgtable() | Problem Details:
dma_map_sgtable() returns only 0 or the error code. Read sgt->nents to
get the number of mapped segments.
Fixes: 37e00703228a ("zynq_fpga: use sgtable-based scatterlist wrappers")
Reported-by: Pavel Pisa <pisa@fel.cvut.cz>
Closes: https://lore.kernel.org/linux-fpga/202508041548.22955.pisa@fel.cvut.cz/... | ```diff
diff --git a/drivers/fpga/zynq-fpga.c b/drivers/fpga/zynq-fpga.c
index 0be0d569589d..b7629a0e4813 100644
--- a/drivers/fpga/zynq-fpga.c
+++ b/drivers/fpga/zynq-fpga.c
@@ -405,12 +405,12 @@ static int zynq_fpga_ops_write(struct fpga_manager *mgr, struct sg_table *sgt)
}
}
- priv->dma_nelms =
- dma_map... |
1ba0fb42aa6a5f072b1b8c0b0520b32ad4ef4b45 | Analyze and fix the following issue in the Linux kernel code: char: misc: Does not request module for miscdevice with dynamic minor | Problem Details:
misc_open() may request module for miscdevice with dynamic minor, which
is meaningless since:
- The dynamic minor allocated is unknown in advance without registering
miscdevice firstly.
- Macro MODULE_ALIAS_MISCDEV() is not applicable for dynamic minor.
Fix by only requesting module for miscdevice ... | ```diff
diff --git a/drivers/char/misc.c b/drivers/char/misc.c
index 96ed343cf5c8..a0aae0fc7926 100644
--- a/drivers/char/misc.c
+++ b/drivers/char/misc.c
@@ -132,7 +132,8 @@ static int misc_open(struct inode *inode, struct file *file)
break;
}
- if (!new_fops) {
+ /* Only request module for fixed minor code */
... |
f5597840ac907858ad2a462b00e4a68fd199121e | Analyze and fix the following issue in the Linux kernel code: char: misc: Disallow registering miscdevice whose minor > MISC_DYNAMIC_MINOR | Problem Details:
Currently, It is allowed to register miscdevice with minor > 255
which is defined by macro MISC_DYNAMIC_MINOR, and cause:
- Chaos regarding division and management of minor codes.
- Registering failure if the minor was allocated to other dynamic request.
Fortunately, in-kernel users have not had such... | ```diff
diff --git a/drivers/char/misc.c b/drivers/char/misc.c
index 558302a64dd9..b8e66466184f 100644
--- a/drivers/char/misc.c
+++ b/drivers/char/misc.c
@@ -210,6 +210,12 @@ int misc_register(struct miscdevice *misc)
int err = 0;
bool is_dynamic = (misc->minor == MISC_DYNAMIC_MINOR);
+ if (misc->minor > MISC_DY... |
6e6fe5a99048c020594d815a1c0f8ad183073e66 | Analyze and fix the following issue in the Linux kernel code: misc: Fix spelling mistake "STMicroeletronics" -> "STMicroelectronics" | Problem Details:
There is are spelling mistakes in the SENSORS_LIS3_SPI and SENSORS_LIS3_I2C
Kconfig. Fix them.
Signed-off-by: Colin Ian King <colin.i.king@gmail.com>
Link: https://lore.kernel.org/r/20250724105422.140186-1-colin.i.king@gmail.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> | ```diff
diff --git a/drivers/misc/lis3lv02d/Kconfig b/drivers/misc/lis3lv02d/Kconfig
index 56005243a230..9d546a42a563 100644
--- a/drivers/misc/lis3lv02d/Kconfig
+++ b/drivers/misc/lis3lv02d/Kconfig
@@ -4,7 +4,7 @@
#
config SENSORS_LIS3_SPI
- tristate "STMicroeletronics LIS3LV02Dx three-axis digital accelerometer (... |
309b6341d5570fb2b41b923de2fc9bb147106b80 | Analyze and fix the following issue in the Linux kernel code: usb: typec: fusb302: Revert incorrect threaded irq fix | Problem Details:
The fusb302 irq handler has been carefully optimized by Hans de Goede in
commit 207338ec5a27 ("usb: typec: fusb302: Improve suspend/resume
handling"). A recent 'fix' undid most of that work to avoid a virtio-gpio
driver bug.
This reverts the incorrect fix, since it is of very low quality. It
reverts t... | ```diff
diff --git a/drivers/usb/typec/tcpm/fusb302.c b/drivers/usb/typec/tcpm/fusb302.c
index a4ff2403ddd6..870a71f953f6 100644
--- a/drivers/usb/typec/tcpm/fusb302.c
+++ b/drivers/usb/typec/tcpm/fusb302.c
@@ -1485,6 +1485,9 @@ static irqreturn_t fusb302_irq_intn(int irq, void *dev_id)
struct fusb302_chip *chip = de... |
01792bc3e5bdafa171dd83c7073f00e7de93a653 | Analyze and fix the following issue in the Linux kernel code: net: ti: icssg-prueth: Fix HSR and switch offload Enablement during firwmare reload. | Problem Details:
To enable HSR / Switch offload, certain configurations are needed.
Currently they are done inside icssg_change_mode(). This function only
gets called if we move from one mode to another without bringing the
links up / down.
Once in HSR / Switch mode, if we bring the links down and bring it back
up aga... | ```diff
diff --git a/drivers/net/ethernet/ti/icssg/icssg_prueth.c b/drivers/net/ethernet/ti/icssg/icssg_prueth.c
index 6c7d776ae4ee..dadce6009791 100644
--- a/drivers/net/ethernet/ti/icssg/icssg_prueth.c
+++ b/drivers/net/ethernet/ti/icssg/icssg_prueth.c
@@ -203,6 +203,44 @@ static void prueth_emac_stop(struct prueth *... |
d739ce4bebf4c708020a900548e36d005236388f | Analyze and fix the following issue in the Linux kernel code: net: macb: Add capability-based QBV detection and Versal support | Problem Details:
The 'exclude_qbv' bit in the designcfg_debug1 register varies across
MACB/GEM IP revisions, making direct probing unreliable for detecting
QBV support. This patch introduces a capability-based approach for
consistent QBV feature identification across the IP family.
Platform support updates:
- Establis... | ```diff
diff --git a/drivers/net/ethernet/cadence/macb.h b/drivers/net/ethernet/cadence/macb.h
index d1a98b45c92c..904954610611 100644
--- a/drivers/net/ethernet/cadence/macb.h
+++ b/drivers/net/ethernet/cadence/macb.h
@@ -770,6 +770,7 @@
#define MACB_CAPS_MIIONRGMII 0x00000200
#define MACB_CAPS_NEED_TSUCLK 0x000... |
d8f3ae7b38fea546e64a6cfcdc7d061c85f086e2 | Analyze and fix the following issue in the Linux kernel code: pmdomain: renesas: rcar-sysc: Make rcar_sysc_onecell_np __initdata | Problem Details:
rcar_sysc_onecell_np() is only used by functions marked __init, so it
can be freed when init memory is freed.
Fixes: c5ae5a0c6112 ("pmdomain: renesas: rcar-sysc: Add genpd OF provider at postcore_initcall")
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Link: https://lore.kernel.org/r/e20... | ```diff
diff --git a/drivers/pmdomain/renesas/rcar-sysc.c b/drivers/pmdomain/renesas/rcar-sysc.c
index 4b310c1d35fa..2d4161170c63 100644
--- a/drivers/pmdomain/renesas/rcar-sysc.c
+++ b/drivers/pmdomain/renesas/rcar-sysc.c
@@ -342,7 +342,7 @@ struct rcar_pm_domains {
};
static struct genpd_onecell_data *rcar_sysc_o... |
d9f0633867711cff87c5604a4f90daa8ab986e4f | Analyze and fix the following issue in the Linux kernel code: ALSA: usb-audio: us144mkii: Use le16_to_cpu() for product ID comparison | Problem Details:
The `us144mkii.c` driver was generating sparse warnings due to direct
comparisons of `dev->descriptor.idProduct` (a `__le16` type) with
integer constants. This commit resolves these warnings by explicitly
converting `idProduct` to a CPU-endian integer using `le16_to_cpu()`
before comparison.
This ensu... | ```diff
diff --git a/sound/usb/usx2y/us144mkii.c b/sound/usb/usx2y/us144mkii.c
index da53c1908c4a..3127a3206370 100644
--- a/sound/usb/usx2y/us144mkii.c
+++ b/sound/usb/usx2y/us144mkii.c
@@ -514,10 +514,10 @@ static int tascam_probe(struct usb_interface *intf,
}
strscpy(card->driver, DRIVER_NAME, sizeof(card->dri... |
0417adf367a0af11adf7ace849af4638cfb573f7 | Analyze and fix the following issue in the Linux kernel code: ppp: fix race conditions in ppp_fill_forward_path | Problem Details:
ppp_fill_forward_path() has two race conditions:
1. The ppp->channels list can change between list_empty() and
list_first_entry(), as ppp_lock() is not held. If the only channel
is deleted in ppp_disconnect_channel(), list_first_entry() may
access an empty head or a freed entry, and trigger a... | ```diff
diff --git a/drivers/net/ppp/ppp_generic.c b/drivers/net/ppp/ppp_generic.c
index 8c98cbd4b06d..824c8dc4120b 100644
--- a/drivers/net/ppp/ppp_generic.c
+++ b/drivers/net/ppp/ppp_generic.c
@@ -33,6 +33,7 @@
#include <linux/ppp_channel.h>
#include <linux/ppp-comp.h>
#include <linux/skbuff.h>
+#include <linux/rc... |
62c30c544359aa18b8fb2734166467a07d435c2d | Analyze and fix the following issue in the Linux kernel code: net: ethernet: mtk_ppe: add RCU lock around dev_fill_forward_path | Problem Details:
Ensure ndo_fill_forward_path() is called with RCU lock held.
Fixes: 2830e314778d ("net: ethernet: mtk-ppe: fix traffic offload with bridged wlan")
Signed-off-by: Qingfang Deng <dqfext@gmail.com>
Link: https://patch.msgid.link/20250814012559.3705-1-dqfext@gmail.com
Signed-off-by: Paolo Abeni <pabeni@re... | ```diff
diff --git a/drivers/net/ethernet/mediatek/mtk_ppe_offload.c b/drivers/net/ethernet/mediatek/mtk_ppe_offload.c
index c855fb799ce1..e9bd32741983 100644
--- a/drivers/net/ethernet/mediatek/mtk_ppe_offload.c
+++ b/drivers/net/ethernet/mediatek/mtk_ppe_offload.c
@@ -101,7 +101,9 @@ mtk_flow_get_wdma_info(struct net... |
c7c61bc417b0334c4feb2bac455c17bf36c5891b | Analyze and fix the following issue in the Linux kernel code: dm-vdo: Promote dm-vdo title to title heading | Problem Details:
dm-vdo docs currently has no explicit title heading but instead there
are multiple section headings as top-level heading. As such, these
sections are rendered as titles and inflates number of entries in the
toctree index.
Promote the first section heading ("dm-vdo") to title heading.
Fixes: 04bf7ac64... | ```diff
diff --git a/Documentation/admin-guide/device-mapper/vdo.rst b/Documentation/admin-guide/device-mapper/vdo.rst
index a14e6d3e787c..8a67b320a97b 100644
--- a/Documentation/admin-guide/device-mapper/vdo.rst
+++ b/Documentation/admin-guide/device-mapper/vdo.rst
@@ -1,5 +1,6 @@
.. SPDX-License-Identifier: GPL-2.0-... |
5d1c82943f3beaa8b97eb11d865239cbab88e527 | Analyze and fix the following issue in the Linux kernel code: docs: device-mapper: fix typos in delay.rst and vdo-design.rst | Problem Details:
Fixed the following typos in device-mapper documentation:
- explicitely -> explicitly
- approriate -> appropriate
Signed-off-by: Shubham Sharma <slopixelz@gmail.com>
Signed-off-by: Mikulas Patocka <mpatocka@redhat.com> | ```diff
diff --git a/Documentation/admin-guide/device-mapper/delay.rst b/Documentation/admin-guide/device-mapper/delay.rst
index 4d667228e744..982136160d6f 100644
--- a/Documentation/admin-guide/device-mapper/delay.rst
+++ b/Documentation/admin-guide/device-mapper/delay.rst
@@ -18,7 +18,7 @@ Table line has to either ha... |
d4932a1b148bb6121121e56bad312c4339042d70 | Analyze and fix the following issue in the Linux kernel code: x86/bugs: Fix GDS mitigation selecting when mitigation is off | Problem Details:
The current GDS mitigation logic incorrectly returns early when the
attack vector mitigation is turned off, which leads to two problems:
1. CPUs without ARCH_CAP_GDS_CTRL support are incorrectly marked with
GDS_MITIGATION_OFF when they should be marked as
GDS_MITIGATION_UCODE_NEEDED.
2. The mit... | ```diff
diff --git a/arch/x86/kernel/cpu/bugs.c b/arch/x86/kernel/cpu/bugs.c
index 2186a771b9fc..49ef1b832c1a 100644
--- a/arch/x86/kernel/cpu/bugs.c
+++ b/arch/x86/kernel/cpu/bugs.c
@@ -1068,10 +1068,8 @@ static void __init gds_select_mitigation(void)
if (gds_mitigation == GDS_MITIGATION_AUTO) {
if (should_mitiga... |
30359c239ba8394c8e774151d26914db18dc4976 | Analyze and fix the following issue in the Linux kernel code: platform/x86: int3472: Increase ov08x40 handshake GPIO delay to 45 ms | Problem Details:
On HP laptops with an ov08x40 sensor the 25 ms delay coming from Intel's
out of tree drivers is not enough. Testing has confirmed that 45 ms does
work.
Add a quirk to the int3472_gpio_map[] to increase the delay to 45 ms to fix
probing of the ov08x40 sensor failing on these laptops.
Note this only im... | ```diff
diff --git a/drivers/platform/x86/intel/int3472/discrete.c b/drivers/platform/x86/intel/int3472/discrete.c
index 791ea565fdc1..8d721c23f801 100644
--- a/drivers/platform/x86/intel/int3472/discrete.c
+++ b/drivers/platform/x86/intel/int3472/discrete.c
@@ -157,6 +157,13 @@ static const struct int3472_gpio_map int... |
1d409b0a77ee55ae2062d74fb8c0148cb663bfb8 | Analyze and fix the following issue in the Linux kernel code: drm/i915/switcheroo: check for NULL before dereferencing | Problem Details:
Both i915_switcheroo_set_state() and i915_switcheroo_can_switch() check
for i915 == NULL. Commit d2e184f8e16a ("drm/i915/switcheroo: pass
display to HAS_DISPLAY()") started dereferencing it before the NULL
check. Fix it.
Fixes: d2e184f8e16a ("drm/i915/switcheroo: pass display to HAS_DISPLAY()")
Report... | ```diff
diff --git a/drivers/gpu/drm/i915/i915_switcheroo.c b/drivers/gpu/drm/i915/i915_switcheroo.c
index 231d27497706..3a95a55b2e87 100644
--- a/drivers/gpu/drm/i915/i915_switcheroo.c
+++ b/drivers/gpu/drm/i915/i915_switcheroo.c
@@ -15,7 +15,7 @@ static void i915_switcheroo_set_state(struct pci_dev *pdev,
... |
8236820fd767f400d1baefb71bc7e36e37730a1e | Analyze and fix the following issue in the Linux kernel code: drm/i915/gt: Relocate compression repacking WA for JSL/EHL | Problem Details:
CACHE_MODE_0 registers should be saved and restored as part of
the context, not during engine reset. Move the related workaround
(Disable Repacking for Compression) from rcs_engine_wa_init()
to icl_ctx_workarounds_init() for Jasper Lake and Elkhart
Lake platforms. This ensures the WA is applied during ... | ```diff
diff --git a/drivers/gpu/drm/i915/gt/intel_workarounds.c b/drivers/gpu/drm/i915/gt/intel_workarounds.c
index b37e400f74e5..5a95f06900b5 100644
--- a/drivers/gpu/drm/i915/gt/intel_workarounds.c
+++ b/drivers/gpu/drm/i915/gt/intel_workarounds.c
@@ -634,6 +634,8 @@ static void cfl_ctx_workarounds_init(struct intel... |
ff646d033783068cc5b38924873cab4a536b17c1 | Analyze and fix the following issue in the Linux kernel code: drm/i915: silence rpm wakeref asserts on GEN11_GU_MISC_IIR access | Problem Details:
Commit 8d9908e8fe9c ("drm/i915/display: remove small micro-optimizations
in irq handling") not only removed the optimizations, it also enabled
wakeref asserts for the GEN11_GU_MISC_IIR access. Silence the asserts by
wrapping the access inside intel_display_rpm_assert_{block,unblock}().
Reported-by: "J... | ```diff
diff --git a/drivers/gpu/drm/i915/display/intel_display_irq.c b/drivers/gpu/drm/i915/display/intel_display_irq.c
index fb25ec8adae3..68157f177b6a 100644
--- a/drivers/gpu/drm/i915/display/intel_display_irq.c
+++ b/drivers/gpu/drm/i915/display/intel_display_irq.c
@@ -1506,10 +1506,14 @@ u32 gen11_gu_misc_irq_ack... |
f4b3cef55f5f96fdb4e7f9ca90b7d6213689faeb | Analyze and fix the following issue in the Linux kernel code: ALSA: hda/realtek: Audio disappears on HP 15-fc000 after warm boot again | Problem Details:
There was a similar bug in the past (Bug 217440), which was fixed for
this laptop.
The same issue is occurring again as of kernel v.6.12.2. The symptoms
are very similar - initially audio works but after a warm reboot, the
audio completely disappears until the computer is powered off (there
is no audio... | ```diff
diff --git a/sound/hda/codecs/realtek/alc269.c b/sound/hda/codecs/realtek/alc269.c
index 6c78a286172c..0323606b3d6d 100644
--- a/sound/hda/codecs/realtek/alc269.c
+++ b/sound/hda/codecs/realtek/alc269.c
@@ -510,6 +510,15 @@ static void alc256_shutup(struct hda_codec *codec)
hp_pin = 0x21;
alc_update_coef... |
018f659753fd38bb6fdba7fa8c751121b495e1f4 | Analyze and fix the following issue in the Linux kernel code: ALSA: hda/realtek: Fix headset mic on ASUS Zenbook 14 | Problem Details:
Add a PCI quirk to enable microphone input on the headphone jack on
the ASUS Zenbook 14 UM3406HA laptop.
This model uses an ALC294 codec with CS35L41 amplifiers over I2C,
and the existing fixup for it did not enable the headset microphone.
A new fix is introduced to get the mic working while keeping t... | ```diff
diff --git a/sound/hda/codecs/realtek/alc269.c b/sound/hda/codecs/realtek/alc269.c
index db8e6352b942..6c78a286172c 100644
--- a/sound/hda/codecs/realtek/alc269.c
+++ b/sound/hda/codecs/realtek/alc269.c
@@ -3579,6 +3579,7 @@ enum {
ALC286_FIXUP_ACER_AIO_MIC_NO_PRESENCE,
ALC294_FIXUP_ASUS_MIC,
ALC294_FIXUP... |
cd5d4621ba846dad9b2e6b0c2d1518d083fcfa13 | Analyze and fix the following issue in the Linux kernel code: cpufreq: scmi: Account for malformed DT in scmi_dev_used_by_cpus() | Problem Details:
Broadcom STB platforms were early adopters (2017) of the SCMI framework and as
a result, not all deployed systems have a Device Tree entry where SCMI
protocol 0x13 (PERFORMANCE) is declared as a clock provider, nor are the
CPU Device Tree node(s) referencing protocol 0x13 as their clock
provider. This ... | ```diff
diff --git a/drivers/cpufreq/scmi-cpufreq.c b/drivers/cpufreq/scmi-cpufreq.c
index ef078426bfd5..38c165d526d1 100644
--- a/drivers/cpufreq/scmi-cpufreq.c
+++ b/drivers/cpufreq/scmi-cpufreq.c
@@ -15,6 +15,7 @@
#include <linux/energy_model.h>
#include <linux/export.h>
#include <linux/module.h>
+#include <linux... |
13650cd32cfc640fbd49f0424640f64d57335d4c | Analyze and fix the following issue in the Linux kernel code: soc: qcom: icc-bwmon: Fix handling dev_pm_opp_find_bw_*() errors | Problem Details:
The ISR calls dev_pm_opp_find_bw_ceil(), which can return EINVAL, ERANGE
or ENODEV, and if that one fails with ERANGE, then it tries again with
floor dev_pm_opp_find_bw_floor().
In theory, following error paths are possible:
1. First dev_pm_opp_find_bw_ceil() failed with an error different than
ERA... | ```diff
diff --git a/drivers/soc/qcom/icc-bwmon.c b/drivers/soc/qcom/icc-bwmon.c
index 3dfa448bf8cf..597f9025e422 100644
--- a/drivers/soc/qcom/icc-bwmon.c
+++ b/drivers/soc/qcom/icc-bwmon.c
@@ -656,6 +656,9 @@ static irqreturn_t bwmon_intr_thread(int irq, void *dev_id)
if (IS_ERR(target_opp) && PTR_ERR(target_opp) =... |
6300d5c5438724c0876828da2f6e2c1a661871fc | Analyze and fix the following issue in the Linux kernel code: scsi: ufs: ufs-qcom: Fix ESI null pointer dereference | Problem Details:
ESI/MSI is a performance optimization feature that provides dedicated
interrupts per MCQ hardware queue. This is optional feature and UFS MCQ
should work with and without ESI feature.
Commit e46a28cea29a ("scsi: ufs: qcom: Remove the MSI descriptor abuse")
brings a regression in ESI (Enhanced System I... | ```diff
diff --git a/drivers/ufs/host/ufs-qcom.c b/drivers/ufs/host/ufs-qcom.c
index 76fc70503a62..9574fdc2bb0f 100644
--- a/drivers/ufs/host/ufs-qcom.c
+++ b/drivers/ufs/host/ufs-qcom.c
@@ -2070,17 +2070,6 @@ static irqreturn_t ufs_qcom_mcq_esi_handler(int irq, void *data)
return IRQ_HANDLED;
}
-static void ufs_q... |
9ee35fd43f94bf19dbd27cffc213a31314b623d2 | Analyze and fix the following issue in the Linux kernel code: scsi: ufs: core: Fix the return value documentation | Problem Details:
ufshcd_wait_for_dev_cmd() and all its callers can return an OCS error.
OCS errors are represented by positive integers. Remove the WARN_ONCE()
statements that complain about positive error codes and update the
documentation.
Keep the behavior of ufshcd_wait_for_dev_cmd() because this return value
may ... | ```diff
diff --git a/drivers/ufs/core/ufshcd.c b/drivers/ufs/core/ufshcd.c
index 2097efe3a990..f471288a5c70 100644
--- a/drivers/ufs/core/ufshcd.c
+++ b/drivers/ufs/core/ufshcd.c
@@ -3199,7 +3199,8 @@ ufshcd_dev_cmd_completion(struct ufs_hba *hba, struct ufshcd_lrb *lrbp)
}
/*
- * Return: 0 upon success; < 0 upon f... |
e5203d89d59bfcbe1f348aa0d2dc4449a8ba644c | Analyze and fix the following issue in the Linux kernel code: scsi: ufs: core: Remove WARN_ON_ONCE() call from ufshcd_uic_cmd_compl() | Problem Details:
The UIC completion interrupt may be disabled while an UIC command is
being processed. When the UIC completion interrupt is reenabled, an UIC
interrupt is triggered and the WARN_ON_ONCE(!cmd) statement is hit.
Hence this patch that removes this kernel warning.
Fixes: fcd8b0450a9a ("scsi: ufs: core: Mak... | ```diff
diff --git a/drivers/ufs/core/ufshcd.c b/drivers/ufs/core/ufshcd.c
index b047325a3669..2097efe3a990 100644
--- a/drivers/ufs/core/ufshcd.c
+++ b/drivers/ufs/core/ufshcd.c
@@ -5561,7 +5561,7 @@ static irqreturn_t ufshcd_uic_cmd_compl(struct ufs_hba *hba, u32 intr_status)
guard(spinlock_irqsave)(hba->host->ho... |
eabcac808ca3ee9878223d4b49b750979029016b | Analyze and fix the following issue in the Linux kernel code: scsi: ufs: core: Fix IRQ lock inversion for the SCSI host lock | Problem Details:
Commit 3c7ac40d7322 ("scsi: ufs: core: Delegate the interrupt service
routine to a threaded IRQ handler") introduced an IRQ lock inversion
issue. Fix this lock inversion by changing the spin_lock_irq() calls into
spin_lock_irqsave() calls in code that can be called either from
interrupt context or from... | ```diff
diff --git a/drivers/ufs/core/ufshcd.c b/drivers/ufs/core/ufshcd.c
index efd7a811a002..b047325a3669 100644
--- a/drivers/ufs/core/ufshcd.c
+++ b/drivers/ufs/core/ufshcd.c
@@ -5559,7 +5559,7 @@ static irqreturn_t ufshcd_uic_cmd_compl(struct ufs_hba *hba, u32 intr_status)
irqreturn_t retval = IRQ_NONE;
struct... |
ad70c6bc776b53e61c8db6533c833aff0ff5da8b | Analyze and fix the following issue in the Linux kernel code: scsi: pm80xx: Fix pm8001_abort_task() for chip_8006 when using an expander | Problem Details:
For a direct attached device, attached_phy contains the local phy id.
For a device behind an expander, attached_phy contains the remote phy
id, not the local phy id.
The pm8001_ha->phy array only contains the phys of the HBA. It does not
contain the phys of the expander.
Thus, you cannot use attache... | ```diff
diff --git a/drivers/scsi/pm8001/pm8001_sas.c b/drivers/scsi/pm8001/pm8001_sas.c
index 5595913eb7fc..c5354263b45e 100644
--- a/drivers/scsi/pm8001/pm8001_sas.c
+++ b/drivers/scsi/pm8001/pm8001_sas.c
@@ -1063,7 +1063,7 @@ int pm8001_abort_task(struct sas_task *task)
struct pm8001_hba_info *pm8001_ha;
struct ... |
251be2f6037fb7ab399f68cd7428ff274133d693 | Analyze and fix the following issue in the Linux kernel code: scsi: pm80xx: Fix array-index-out-of-of-bounds on rmmod | Problem Details:
Since commit f7b705c238d1 ("scsi: pm80xx: Set phy_attached to zero when
device is gone") UBSAN reports:
UBSAN: array-index-out-of-bounds in drivers/scsi/pm8001/pm8001_sas.c:786:17
index 28 is out of range for type 'pm8001_phy [16]'
on rmmod when using an expander.
For a direct attached device, a... | ```diff
diff --git a/drivers/scsi/pm8001/pm8001_sas.c b/drivers/scsi/pm8001/pm8001_sas.c
index 753c09363cbb..3e1dac4b820f 100644
--- a/drivers/scsi/pm8001/pm8001_sas.c
+++ b/drivers/scsi/pm8001/pm8001_sas.c
@@ -749,6 +749,7 @@ static void pm8001_dev_gone_notify(struct domain_device *dev)
unsigned long flags = 0;
st... |
eeee1086073e0058243c8554738271561bde81f1 | Analyze and fix the following issue in the Linux kernel code: scsi: pm80xx: Restore support for expanders | Problem Details:
Commit 0f630c58e31a ("scsi: pm80xx: Do not use libsas port ID") broke
support for expanders. After the commit, devices behind an expander are
no longer detected.
Simply reverting the commit restores support for devices behind an
expander.
Instead of reverting the commit (and reintroducing a helper to... | ```diff
diff --git a/drivers/scsi/pm8001/pm8001_sas.c b/drivers/scsi/pm8001/pm8001_sas.c
index f7067878b34f..753c09363cbb 100644
--- a/drivers/scsi/pm8001/pm8001_sas.c
+++ b/drivers/scsi/pm8001/pm8001_sas.c
@@ -477,7 +477,7 @@ int pm8001_queue_command(struct sas_task *task, gfp_t gfp_flags)
struct pm8001_device *pm80... |
bf02a01d1dd5bfe76ad8db3b588a39ecac96ebee | Analyze and fix the following issue in the Linux kernel code: wifi: rtw89: fix group frames loss when connected to non-transmitted BSSID | Problem Details:
When STA connects to AP with dot11MultiBSSIDImplemented set to true,
the layout of the TIM element's Partial Virtual Bitmap changes. Bits
1 to (2^n - 1) are used to indicate buffered group addressed frames
(e.g., broadcast/multicast) for non-transmitted BSSIDs. Fix the
interpretation of this field to e... | ```diff
diff --git a/drivers/net/wireless/realtek/rtw89/core.h b/drivers/net/wireless/realtek/rtw89/core.h
index ca48426c577f..d8c40ce3ec61 100644
--- a/drivers/net/wireless/realtek/rtw89/core.h
+++ b/drivers/net/wireless/realtek/rtw89/core.h
@@ -1011,6 +1011,7 @@ struct rtw89_port_reg {
u32 ptcl_dbg;
u32 ptcl_dbg_... |
c4c16c88e78417424b4e3f33177e84baf0bc9a99 | Analyze and fix the following issue in the Linux kernel code: wifi: rtw89: fix BSSID comparison for non-transmitted BSSID | Problem Details:
For non-transmitted connections, beacons are received from the
transmitted BSSID. Fix this to avoid missing beacon statistics.
Signed-off-by: Kuan-Chung Chen <damon.chen@realtek.com>
Signed-off-by: Ping-Ke Shih <pkshih@realtek.com>
Link: https://patch.msgid.link/20250811123950.15697-1-pkshih@realtek.c... | ```diff
diff --git a/drivers/net/wireless/realtek/rtw89/core.c b/drivers/net/wireless/realtek/rtw89/core.c
index 7d522031dfa1..0ad7562632a5 100644
--- a/drivers/net/wireless/realtek/rtw89/core.c
+++ b/drivers/net/wireless/realtek/rtw89/core.c
@@ -2668,6 +2668,7 @@ static void rtw89_vif_rx_stats_iter(void *data, u8 *mac... |
194b7ce982471468569299991b110049c4617163 | Analyze and fix the following issue in the Linux kernel code: wifi: rtw89: debug: add beacon_info debugfs | Problem Details:
Add debugfs beacon_info to display the information of beacon tracking.
The screenshot as below:
[Beacon info]
count: 15
interval: 100
dtim: 1
raw rssi: 146
hw rate: 0
length: 407
[Distribution]
tbtt
00 - 04: 26
05 - 09: 5
10 - 14: 1
15 - 19: 0
20 - 24: 0
25 - 29: 0
dr... | ```diff
diff --git a/drivers/net/wireless/realtek/rtw89/debug.c b/drivers/net/wireless/realtek/rtw89/debug.c
index afdfb9647fc1..a37cdd73ddc3 100644
--- a/drivers/net/wireless/realtek/rtw89/debug.c
+++ b/drivers/net/wireless/realtek/rtw89/debug.c
@@ -86,6 +86,7 @@ struct rtw89_debugfs {
struct rtw89_debugfs_priv stat... |
4611d88a37cfc18cbabc6978aaf7325d1ae3f53a | Analyze and fix the following issue in the Linux kernel code: bnxt_en: Fix lockdep warning during rmmod | Problem Details:
The commit under the Fixes tag added a netdev_assert_locked() in
bnxt_free_ntp_fltrs(). The lock should be held during normal run-time
but the assert will be triggered (see below) during bnxt_remove_one()
which should not need the lock. The netdev is already unregistered by
then. Fix it by calling n... | ```diff
diff --git a/drivers/net/ethernet/broadcom/bnxt/bnxt.c b/drivers/net/ethernet/broadcom/bnxt/bnxt.c
index 2800a90fba1f..207a8bb36ae5 100644
--- a/drivers/net/ethernet/broadcom/bnxt/bnxt.c
+++ b/drivers/net/ethernet/broadcom/bnxt/bnxt.c
@@ -5332,7 +5332,7 @@ static void bnxt_free_ntp_fltrs(struct bnxt *bp, bool a... |
89eb9a62aed77b409663ba1eac152e8f758815b7 | Analyze and fix the following issue in the Linux kernel code: net: dsa: b53: fix reserved register access in b53_fdb_dump() | Problem Details:
When BCM5325 support was added in c45655386e53 ("net: dsa: b53: add
support for FDB operations on 5325/5365"), the register used for ARL access
was made conditional on the chip.
But in b53_fdb_dump(), instead of the register argument the page
argument was replaced, causing it to write to a reserved pa... | ```diff
diff --git a/drivers/net/dsa/b53/b53_common.c b/drivers/net/dsa/b53/b53_common.c
index 9942fb6f7f4b..829b1f087e9e 100644
--- a/drivers/net/dsa/b53/b53_common.c
+++ b/drivers/net/dsa/b53/b53_common.c
@@ -2078,7 +2078,7 @@ int b53_fdb_dump(struct dsa_switch *ds, int port,
/* Start search operation */
reg = ... |
3259889fd3c0cc165b7e9ee375c789875dd32326 | Analyze and fix the following issue in the Linux kernel code: selftests: mptcp: sockopt: fix C23 extension warning | Problem Details:
GCC was complaining about the new label:
mptcp_inq.c:79:2: warning: label followed by a declaration is a C23 extension [-Wc23-extensions]
79 | int err = getaddrinfo(node, service, hints, res);
| ^
mptcp_sockopt.c:166:2: warning: label followed by a declaration is a C2... | ```diff
diff --git a/tools/testing/selftests/net/mptcp/mptcp_inq.c b/tools/testing/selftests/net/mptcp/mptcp_inq.c
index 3cf1e2a612ce..f3bcaa48df8f 100644
--- a/tools/testing/selftests/net/mptcp/mptcp_inq.c
+++ b/tools/testing/selftests/net/mptcp/mptcp_inq.c
@@ -75,9 +75,10 @@ static void xgetaddrinfo(const char *node,... |
2eefbed30d46d5e68593baf6b52923e00e7678af | Analyze and fix the following issue in the Linux kernel code: selftests: mptcp: connect: fix C23 extension warning | Problem Details:
GCC was complaining about the new label:
mptcp_connect.c:187:2: warning: label followed by a declaration is a C23 extension [-Wc23-extensions]
187 | int err = getaddrinfo(node, service, hints, res);
| ^
Simply declare 'err' before the label to avoid this warning.
Fixes:... | ```diff
diff --git a/tools/testing/selftests/net/mptcp/mptcp_connect.c b/tools/testing/selftests/net/mptcp/mptcp_connect.c
index ac1349c4b9e5..4f07ac9fa207 100644
--- a/tools/testing/selftests/net/mptcp/mptcp_connect.c
+++ b/tools/testing/selftests/net/mptcp/mptcp_connect.c
@@ -183,9 +183,10 @@ static void xgetaddrinfo... |
f92199f551e617fae028c5c5905ddd63e3616e18 | Analyze and fix the following issue in the Linux kernel code: selftests: mptcp: disable add_addr retrans in endpoint_tests | Problem Details:
To prevent test instability in the "delete re-add signal" test caused by
ADD_ADDR retransmissions, disable retransmissions for this test by setting
net.mptcp.add_addr_timeout to 0.
Suggested-by: Matthieu Baerts <matttbe@kernel.org>
Signed-off-by: Geliang Tang <tanggeliang@kylinos.cn>
Reviewed-by: Matt... | ```diff
diff --git a/tools/testing/selftests/net/mptcp/mptcp_join.sh b/tools/testing/selftests/net/mptcp/mptcp_join.sh
index b8af65373b3a..82cae37d9c20 100755
--- a/tools/testing/selftests/net/mptcp/mptcp_join.sh
+++ b/tools/testing/selftests/net/mptcp/mptcp_join.sh
@@ -3842,6 +3842,7 @@ endpoint_tests()
# remove and... |
f5ce0714623cffd00bf2a83e890d09c609b7f50a | Analyze and fix the following issue in the Linux kernel code: mptcp: disable add_addr retransmission when timeout is 0 | Problem Details:
When add_addr_timeout was set to 0, this caused the ADD_ADDR to be
retransmitted immediately, which looks like a buggy behaviour. Instead,
interpret 0 as "no retransmissions needed".
The documentation is updated to explicitly state that setting the timeout
to 0 disables retransmission.
Fixes: 93f323b... | ```diff
diff --git a/Documentation/networking/mptcp-sysctl.rst b/Documentation/networking/mptcp-sysctl.rst
index 5bfab01eff5a..1683c139821e 100644
--- a/Documentation/networking/mptcp-sysctl.rst
+++ b/Documentation/networking/mptcp-sysctl.rst
@@ -12,6 +12,8 @@ add_addr_timeout - INTEGER (seconds)
resent to an MPTCP p... |
5d13349472ac8abcbcb94407969aa0fdc2e1f1be | Analyze and fix the following issue in the Linux kernel code: mptcp: remove duplicate sk_reset_timer call | Problem Details:
sk_reset_timer() was called twice in mptcp_pm_alloc_anno_list.
Simplify the code by using a 'goto' statement to eliminate the
duplication.
Note that this is not a fix, but it will help backporting the following
patch. The same "Fixes" tag has been added for this reason.
Fixes: 93f323b9cccc ("mptcp: ... | ```diff
diff --git a/net/mptcp/pm.c b/net/mptcp/pm.c
index 420d416e2603..c5f6a53ce5f1 100644
--- a/net/mptcp/pm.c
+++ b/net/mptcp/pm.c
@@ -353,9 +353,7 @@ bool mptcp_pm_alloc_anno_list(struct mptcp_sock *msk,
if (WARN_ON_ONCE(mptcp_pm_is_kernel(msk)))
return false;
- sk_reset_timer(sk, &add_entry->add_timer,
... |
452690be7de2f91cc0de68cb9e95252875b33503 | Analyze and fix the following issue in the Linux kernel code: selftests: mptcp: pm: check flush doesn't reset limits | Problem Details:
This modification is linked to the parent commit where the received
ADD_ADDR limit was accidentally reset when the endpoints were flushed.
To validate that, the test is now flushing endpoints after having set
new limits, and before checking them.
The 'Fixes' tag here below is the same as the one from... | ```diff
diff --git a/tools/testing/selftests/net/mptcp/pm_netlink.sh b/tools/testing/selftests/net/mptcp/pm_netlink.sh
index 2e6648a2b2c0..ac7ec6f94023 100755
--- a/tools/testing/selftests/net/mptcp/pm_netlink.sh
+++ b/tools/testing/selftests/net/mptcp/pm_netlink.sh
@@ -198,6 +198,7 @@ set_limits 1 9 2>/dev/null
check... |
68fc0f4b0d25692940cdc85c68e366cae63e1757 | Analyze and fix the following issue in the Linux kernel code: mptcp: pm: kernel: flush: do not reset ADD_ADDR limit | Problem Details:
A flush of the MPTCP endpoints should not affect the MPTCP limits. In
other words, 'ip mptcp endpoint flush' should not change 'ip mptcp
limits'.
But it was the case: the MPTCP_PM_ATTR_RCV_ADD_ADDRS (add_addr_accepted)
limit was reset by accident. Removing the reset of this counter during a
flush fixe... | ```diff
diff --git a/net/mptcp/pm_kernel.c b/net/mptcp/pm_kernel.c
index d39e7c178460..667803d72b64 100644
--- a/net/mptcp/pm_kernel.c
+++ b/net/mptcp/pm_kernel.c
@@ -1085,7 +1085,6 @@ static void __flush_addrs(struct list_head *list)
static void __reset_counters(struct pm_nl_pernet *pernet)
{
WRITE_ONCE(pernet->ad... |
ccab044697980c6c01ab51f43f48f13b8a3e5c33 | Analyze and fix the following issue in the Linux kernel code: mptcp: drop skb if MPTCP skb extension allocation fails | Problem Details:
When skb_ext_add(skb, SKB_EXT_MPTCP) fails in mptcp_incoming_options(),
we used to return true, letting the segment proceed through the TCP
receive path without a DSS mapping. Such segments can leave inconsistent
mapping state and trigger a mid-stream fallback to TCP, which in testing
collapsed (by art... | ```diff
diff --git a/net/mptcp/options.c b/net/mptcp/options.c
index 70c0ab0ecf90..2a8ea28442b2 100644
--- a/net/mptcp/options.c
+++ b/net/mptcp/options.c
@@ -1118,7 +1118,9 @@ static bool add_addr_hmac_valid(struct mptcp_sock *msk,
return hmac == mp_opt->ahmac;
}
-/* Return false if a subflow has been reset, else... |
84967deee9d9870b15bc4c3acb50f1d401807902 | Analyze and fix the following issue in the Linux kernel code: ipv6: sr: validate HMAC algorithm ID in seg6_hmac_info_add | Problem Details:
The seg6_genl_sethmac() directly uses the algorithm ID provided by the
userspace without verifying whether it is an HMAC algorithm supported
by the system.
If an unsupported HMAC algorithm ID is configured, packets using SRv6 HMAC
will be dropped during encapsulation or decapsulation.
Fixes: 4f4853dc1... | ```diff
diff --git a/net/ipv6/seg6_hmac.c b/net/ipv6/seg6_hmac.c
index f78ecb6ad838..d77b52523b6a 100644
--- a/net/ipv6/seg6_hmac.c
+++ b/net/ipv6/seg6_hmac.c
@@ -304,6 +304,9 @@ int seg6_hmac_info_add(struct net *net, u32 key, struct seg6_hmac_info *hinfo)
struct seg6_pernet_data *sdata = seg6_pernet(net);
int err... |
864e3396976ef41de6cc7bc366276bf4e084fff2 | Analyze and fix the following issue in the Linux kernel code: net: gso: Forbid IPv6 TSO with extensions on devices with only IPV6_CSUM | Problem Details:
When performing Generic Segmentation Offload (GSO) on an IPv6 packet that
contains extension headers, the kernel incorrectly requests checksum offload
if the egress device only advertises NETIF_F_IPV6_CSUM feature, which has
a strict contract: it supports checksum offload only for plain TCP or UDP
over... | ```diff
diff --git a/net/core/dev.c b/net/core/dev.c
index 5a3c0f40a93f..93a25d87b86b 100644
--- a/net/core/dev.c
+++ b/net/core/dev.c
@@ -3779,6 +3779,18 @@ static netdev_features_t gso_features_check(const struct sk_buff *skb,
features &= ~NETIF_F_TSO_MANGLEID;
}
+ /* NETIF_F_IPV6_CSUM does not support IPv6 e... |
b826bf795564ddef6402cf2cb522ae035bd117ae | Analyze and fix the following issue in the Linux kernel code: net: phy: realtek: fix RTL8211F wake-on-lan support | Problem Details:
Implement Wake-on-Lan for RTL8211F correctly. The existing
implementation has multiple issues:
1. It assumes that Wake-on-Lan can always be used, whether or not the
interrupt is wired, and whether or not the interrupt is capable of
waking the system. This breaks the ability for MAC drivers to de... | ```diff
diff --git a/drivers/net/phy/realtek/realtek_main.c b/drivers/net/phy/realtek/realtek_main.c
index a7541899e327..904fa8b1aa03 100644
--- a/drivers/net/phy/realtek/realtek_main.c
+++ b/drivers/net/phy/realtek/realtek_main.c
@@ -10,6 +10,7 @@
#include <linux/bitops.h>
#include <linux/of.h>
#include <linux/phy.... |
7f059e47326746ceebe2a984bd6124459df3b458 | Analyze and fix the following issue in the Linux kernel code: fwctl/mlx5: Fix memory alloc/free in mlx5ctl_fw_rpc() | Problem Details:
Use kvfree() to free memory allocated by kvzalloc() instead of kfree().
Avoid potential memory management issue considering kvzalloc() can
internally choose to use either kmalloc() or vmalloc() based on memory
request and current system memory state. Hence, use more appropriate
kvfree() which automatic... | ```diff
diff --git a/drivers/fwctl/mlx5/main.c b/drivers/fwctl/mlx5/main.c
index f93aa0cecdb9..4b379f695eb7 100644
--- a/drivers/fwctl/mlx5/main.c
+++ b/drivers/fwctl/mlx5/main.c
@@ -345,7 +345,7 @@ static void *mlx5ctl_fw_rpc(struct fwctl_uctx *uctx, enum fwctl_rpc_scope scope,
*/
if (ret && ret != -EREMOTEIO) {
... |
297a4833a68aac3316eb808b4123eb016ef242d7 | Analyze and fix the following issue in the Linux kernel code: drm/amd/display: Fix DP audio DTO1 clock source on DCE 6. | Problem Details:
On DCE 6, DP audio was not working. However, it worked when an
HDMI monitor was also plugged in.
Looking at dce_aud_wall_dto_setup it seems that the main
difference is that we use DTO1 when only DP is plugged in.
When programming DTO1, it uses audio_dto_source_clock_in_khz
which is set from get_dp_re... | ```diff
diff --git a/drivers/gpu/drm/amd/display/dc/clk_mgr/dce60/dce60_clk_mgr.c b/drivers/gpu/drm/amd/display/dc/clk_mgr/dce60/dce60_clk_mgr.c
index 7044b437fe9d..a39641a0ff09 100644
--- a/drivers/gpu/drm/amd/display/dc/clk_mgr/dce60/dce60_clk_mgr.c
+++ b/drivers/gpu/drm/amd/display/dc/clk_mgr/dce60/dce60_clk_mgr.c
@... |
10507478468f165ea681605d133991ed05cdff62 | Analyze and fix the following issue in the Linux kernel code: drm/amd/display: Fix fractional fb divider in set_pixel_clock_v3 | Problem Details:
For later VBIOS versions, the fractional feedback divider is
calculated as the remainder of dividing the feedback divider by
a factor, which is set to 1000000. For reference, see:
- calculate_fb_and_fractional_fb_divider
- calc_pll_max_vco_construct
However, in case of old VBIOS versions that have
set... | ```diff
diff --git a/drivers/gpu/drm/amd/display/dc/bios/command_table.c b/drivers/gpu/drm/amd/display/dc/bios/command_table.c
index 2bcae0643e61..58e88778da7f 100644
--- a/drivers/gpu/drm/amd/display/dc/bios/command_table.c
+++ b/drivers/gpu/drm/amd/display/dc/bios/command_table.c
@@ -993,7 +993,7 @@ static enum bp_re... |
f14ee2e7a86c5e57295b48b8e198cae7189b3b93 | Analyze and fix the following issue in the Linux kernel code: drm/amd/display: Don't print errors for nonexistent connectors | Problem Details:
When getting the number of connectors, the VBIOS reports
the number of valid indices, but it doesn't say which indices
are valid, and not every valid index has an actual connector.
If we don't find a connector on an index, that is not an error.
Considering these are not actual errors, don't litter the... | ```diff
diff --git a/drivers/gpu/drm/amd/display/dc/bios/bios_parser.c b/drivers/gpu/drm/amd/display/dc/bios/bios_parser.c
index 67f08495b7e6..154fd2c18e88 100644
--- a/drivers/gpu/drm/amd/display/dc/bios/bios_parser.c
+++ b/drivers/gpu/drm/amd/display/dc/bios/bios_parser.c
@@ -174,11 +174,8 @@ static struct graphics_o... |
1fc931be2f47fde23ca5aff6f19421375c312fb2 | Analyze and fix the following issue in the Linux kernel code: drm/amd/display: Adjust DCE 8-10 clock, don't overclock by 15% | Problem Details:
Adjust the nominal (and performance) clocks for DCE 8-10,
and set them to 625 MHz, which is the value used by the legacy
display code in amdgpu_atombios_get_clock_info.
This was tested with Hawaii, Tonga and Fiji.
These GPUs can output 4K 60Hz (10-bit depth) at 625 MHz.
The extra 15% clock was added ... | ```diff
diff --git a/drivers/gpu/drm/amd/display/dc/clk_mgr/dce100/dce_clk_mgr.c b/drivers/gpu/drm/amd/display/dc/clk_mgr/dce100/dce_clk_mgr.c
index f5ad0a177038..a324dbd4543c 100644
--- a/drivers/gpu/drm/amd/display/dc/clk_mgr/dce100/dce_clk_mgr.c
+++ b/drivers/gpu/drm/amd/display/dc/clk_mgr/dce100/dce_clk_mgr.c
@@ -7... |
c51a37ffea3813374a8f7955abbba6da25357388 | Analyze and fix the following issue in the Linux kernel code: clk: thead: Correct parent for DPU pixel clocks | Problem Details:
The dpu0_pixelclk and dpu1_pixelclk gates were incorrectly parented to
the video_pll_clk.
According to the TH1520 TRM, the "dpu0_pixelclk" should be sourced from
"DPU0 PLL DIV CLK". In this driver, "DPU0 PLL DIV CLK" corresponds to
the `dpu0_clk` clock, which is a divider whose parent is the
`dpu0_pll... | ```diff
diff --git a/drivers/clk/thead/clk-th1520-ap.c b/drivers/clk/thead/clk-th1520-ap.c
index 8a5d69963837..ec52726fbea9 100644
--- a/drivers/clk/thead/clk-th1520-ap.c
+++ b/drivers/clk/thead/clk-th1520-ap.c
@@ -761,6 +761,10 @@ static struct ccu_div dpu0_clk = {
},
};
+static const struct clk_parent_data dpu0_... |
9e99b992c8874f323091d50a5e4727bbd138192d | Analyze and fix the following issue in the Linux kernel code: clk: thead: th1520-ap: fix parent of padctrl0 clock | Problem Details:
The padctrl0 clock seems to be a child of the perisys_apb4_hclk clock,
gating the later makes padctrl0 registers stuck too.
Fix this relationship.
Fixes: ae81b69fd2b1 ("clk: thead: Add support for T-Head TH1520 AP_SUBSYS clocks")
Signed-off-by: Icenowy Zheng <uwu@icenowy.me>
Reviewed-by: Drew Fustini... | ```diff
diff --git a/drivers/clk/thead/clk-th1520-ap.c b/drivers/clk/thead/clk-th1520-ap.c
index 4dbd1df9a86d..8a5d69963837 100644
--- a/drivers/clk/thead/clk-th1520-ap.c
+++ b/drivers/clk/thead/clk-th1520-ap.c
@@ -798,13 +798,17 @@ static CCU_GATE(CLK_PERISYS_APB3_HCLK, perisys_apb3_hclk, "perisys-apb3-hclk", p
0x1... |
cb7b7ae53b557d168b4af5cd8549f3eff920bfb5 | Analyze and fix the following issue in the Linux kernel code: drm/amd/display: Don't overclock DCE 6 by 15% | Problem Details:
The extra 15% clock was added as a workaround for a Polaris issue
which uses DCE 11, and should not have been used on DCE 6 which
is already hardcoded to the highest possible display clock.
Unfortunately, the extra 15% was mistakenly copied and kept
even on code paths which don't affect Polaris.
This ... | ```diff
diff --git a/drivers/gpu/drm/amd/display/dc/clk_mgr/dce60/dce60_clk_mgr.c b/drivers/gpu/drm/amd/display/dc/clk_mgr/dce60/dce60_clk_mgr.c
index 0267644717b2..cfd7309f2c6a 100644
--- a/drivers/gpu/drm/amd/display/dc/clk_mgr/dce60/dce60_clk_mgr.c
+++ b/drivers/gpu/drm/amd/display/dc/clk_mgr/dce60/dce60_clk_mgr.c
@... |
7a2ca2ea64b1b63c8baa94a8f5deb70b2248d119 | Analyze and fix the following issue in the Linux kernel code: drm/amd/display: Add null pointer check in mod_hdcp_hdcp1_create_session() | Problem Details:
The function mod_hdcp_hdcp1_create_session() calls the function
get_first_active_display(), but does not check its return value.
The return value is a null pointer if the display list is empty.
This will lead to a null pointer dereference.
Add a null pointer check for get_first_active_display() and re... | ```diff
diff --git a/drivers/gpu/drm/amd/display/modules/hdcp/hdcp_psp.c b/drivers/gpu/drm/amd/display/modules/hdcp/hdcp_psp.c
index e58e7b93810b..6b7db8ec9a53 100644
--- a/drivers/gpu/drm/amd/display/modules/hdcp/hdcp_psp.c
+++ b/drivers/gpu/drm/amd/display/modules/hdcp/hdcp_psp.c
@@ -260,6 +260,9 @@ enum mod_hdcp_sta... |
66af73a1c319336694a8610fe4c2943f7b33066c | Analyze and fix the following issue in the Linux kernel code: drm/amd/display: Fix Xorg desktop unresponsive on Replay panel | Problem Details:
[WHY & HOW]
IPS & self-fresh feature can cause vblank counter resets between
vblank disable and enable.
It may cause system stuck due to wait the vblank counter.
Call the drm_crtc_vblank_restore() during vblank enable to estimate
missed vblanks by using timestamps and update the vblank counter in
DRM.... | ```diff
diff --git a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_crtc.c b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_crtc.c
index 010172f930ae..45feb404b097 100644
--- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_crtc.c
+++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_crtc.c
@@ -299,6 +299,25 @@ stat... |
07b93a5704b0b72002f0c4bd1076214af67dc661 | Analyze and fix the following issue in the Linux kernel code: drm/amd/display: Avoid a NULL pointer dereference | Problem Details:
[WHY]
Although unlikely drm_atomic_get_new_connector_state() or
drm_atomic_get_old_connector_state() can return NULL.
[HOW]
Check returns before dereference.
Cc: Mario Limonciello <mario.limonciello@amd.com>
Cc: Alex Deucher <alexander.deucher@amd.com>
Reviewed-by: Harry Wentland <harry.wentland@amd.... | ```diff
diff --git a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
index cd0e2976e268..a0ca3b2c6bd8 100644
--- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
+++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
@@ -7792,6 +7792,9 @@ amdgpu_dm_connector_ato... |
aaa75cbd5d4f63e4edf8b74118d367361dcf92f7 | Analyze and fix the following issue in the Linux kernel code: clk: thead: th1520-ap: describe gate clocks with clk_gate | Problem Details:
Similar to previous situation of mux clocks, the gate clocks of
clk-th1520-ap drivers are also using a helper that creates a temporary
struct clk_hw and abandons the struct clk_hw in struct ccu_common, which
prevents clock gates to be clock parents.
Do the similar refactor of dropping struct ccu_commo... | ```diff
diff --git a/drivers/clk/thead/clk-th1520-ap.c b/drivers/clk/thead/clk-th1520-ap.c
index cf1bba58f641..4dbd1df9a86d 100644
--- a/drivers/clk/thead/clk-th1520-ap.c
+++ b/drivers/clk/thead/clk-th1520-ap.c
@@ -48,8 +48,9 @@ struct ccu_mux {
};
struct ccu_gate {
- u32 enable;
- struct ccu_common common;
+ int... |
c9932f0d604e4c8f2c6018e598a322acb43c68a2 | Analyze and fix the following issue in the Linux kernel code: drm/i915/gt: Relocate compression repacking WA for JSL/EHL | Problem Details:
CACHE_MODE_0 registers should be saved and restored as part of
the context, not during engine reset. Move the related workaround
(Disable Repacking for Compression) from rcs_engine_wa_init()
to icl_ctx_workarounds_init() for Jasper Lake and Elkhart
Lake platforms. This ensures the WA is applied during ... | ```diff
diff --git a/drivers/gpu/drm/i915/gt/intel_workarounds.c b/drivers/gpu/drm/i915/gt/intel_workarounds.c
index b37e400f74e5..5a95f06900b5 100644
--- a/drivers/gpu/drm/i915/gt/intel_workarounds.c
+++ b/drivers/gpu/drm/i915/gt/intel_workarounds.c
@@ -634,6 +634,8 @@ static void cfl_ctx_workarounds_init(struct intel... |
923fcb3dbc0246fc5207093c0049af4c56f20e41 | Analyze and fix the following issue in the Linux kernel code: KVM: SEV: don't check have_run_cpus in sev_writeback_caches() | Problem Details:
Drop KVM's check on an empty cpumask when flushing caches when memory is
being reclaimed from an SEV VM, as smp_call_function_many_cond() naturally
(and correctly) handles an empty cpumask. This avoids an extra O(n)
lookup in the common case where at least one pCPU has enterred the guest,
which could ... | ```diff
diff --git a/arch/x86/kvm/svm/sev.c b/arch/x86/kvm/svm/sev.c
index 2fbdebf79fbb..0635bd71c10e 100644
--- a/arch/x86/kvm/svm/sev.c
+++ b/arch/x86/kvm/svm/sev.c
@@ -718,13 +718,6 @@ static void sev_clflush_pages(struct page *pages[], unsigned long npages)
static void sev_writeback_caches(struct kvm *kvm)
{
- ... |
645cc7863da5de700547d236697dffd6760cf051 | Analyze and fix the following issue in the Linux kernel code: drm/amd/display: Fix DP audio DTO1 clock source on DCE 6. | Problem Details:
On DCE 6, DP audio was not working. However, it worked when an
HDMI monitor was also plugged in.
Looking at dce_aud_wall_dto_setup it seems that the main
difference is that we use DTO1 when only DP is plugged in.
When programming DTO1, it uses audio_dto_source_clock_in_khz
which is set from get_dp_re... | ```diff
diff --git a/drivers/gpu/drm/amd/display/dc/clk_mgr/dce60/dce60_clk_mgr.c b/drivers/gpu/drm/amd/display/dc/clk_mgr/dce60/dce60_clk_mgr.c
index 7044b437fe9d..a39641a0ff09 100644
--- a/drivers/gpu/drm/amd/display/dc/clk_mgr/dce60/dce60_clk_mgr.c
+++ b/drivers/gpu/drm/amd/display/dc/clk_mgr/dce60/dce60_clk_mgr.c
@... |
027e7acc7e17802ebf28e1edb88a404836ad50d6 | Analyze and fix the following issue in the Linux kernel code: drm/amd/display: Fix fractional fb divider in set_pixel_clock_v3 | Problem Details:
For later VBIOS versions, the fractional feedback divider is
calculated as the remainder of dividing the feedback divider by
a factor, which is set to 1000000. For reference, see:
- calculate_fb_and_fractional_fb_divider
- calc_pll_max_vco_construct
However, in case of old VBIOS versions that have
set... | ```diff
diff --git a/drivers/gpu/drm/amd/display/dc/bios/command_table.c b/drivers/gpu/drm/amd/display/dc/bios/command_table.c
index 2bcae0643e61..58e88778da7f 100644
--- a/drivers/gpu/drm/amd/display/dc/bios/command_table.c
+++ b/drivers/gpu/drm/amd/display/dc/bios/command_table.c
@@ -993,7 +993,7 @@ static enum bp_re... |
249d4bc5f1935f04bb45b3b63c0f8922565124f7 | Analyze and fix the following issue in the Linux kernel code: drm/amd/display: Don't print errors for nonexistent connectors | Problem Details:
When getting the number of connectors, the VBIOS reports
the number of valid indices, but it doesn't say which indices
are valid, and not every valid index has an actual connector.
If we don't find a connector on an index, that is not an error.
Considering these are not actual errors, don't litter the... | ```diff
diff --git a/drivers/gpu/drm/amd/display/dc/bios/bios_parser.c b/drivers/gpu/drm/amd/display/dc/bios/bios_parser.c
index 67f08495b7e6..154fd2c18e88 100644
--- a/drivers/gpu/drm/amd/display/dc/bios/bios_parser.c
+++ b/drivers/gpu/drm/amd/display/dc/bios/bios_parser.c
@@ -174,11 +174,8 @@ static struct graphics_o... |
1ae45b5d4f371af8ae51a3827d0ec9fe27eeb867 | Analyze and fix the following issue in the Linux kernel code: drm/amd/display: Adjust DCE 8-10 clock, don't overclock by 15% | Problem Details:
Adjust the nominal (and performance) clocks for DCE 8-10,
and set them to 625 MHz, which is the value used by the legacy
display code in amdgpu_atombios_get_clock_info.
This was tested with Hawaii, Tonga and Fiji.
These GPUs can output 4K 60Hz (10-bit depth) at 625 MHz.
The extra 15% clock was added ... | ```diff
diff --git a/drivers/gpu/drm/amd/display/dc/clk_mgr/dce100/dce_clk_mgr.c b/drivers/gpu/drm/amd/display/dc/clk_mgr/dce100/dce_clk_mgr.c
index f5ad0a177038..a324dbd4543c 100644
--- a/drivers/gpu/drm/amd/display/dc/clk_mgr/dce100/dce_clk_mgr.c
+++ b/drivers/gpu/drm/amd/display/dc/clk_mgr/dce100/dce_clk_mgr.c
@@ -7... |
427980c1cbd22bb256b9385f5ce73c0937562408 | Analyze and fix the following issue in the Linux kernel code: drm/amd/display: Don't overclock DCE 6 by 15% | Problem Details:
The extra 15% clock was added as a workaround for a Polaris issue
which uses DCE 11, and should not have been used on DCE 6 which
is already hardcoded to the highest possible display clock.
Unfortunately, the extra 15% was mistakenly copied and kept
even on code paths which don't affect Polaris.
This ... | ```diff
diff --git a/drivers/gpu/drm/amd/display/dc/clk_mgr/dce60/dce60_clk_mgr.c b/drivers/gpu/drm/amd/display/dc/clk_mgr/dce60/dce60_clk_mgr.c
index 0267644717b2..cfd7309f2c6a 100644
--- a/drivers/gpu/drm/amd/display/dc/clk_mgr/dce60/dce60_clk_mgr.c
+++ b/drivers/gpu/drm/amd/display/dc/clk_mgr/dce60/dce60_clk_mgr.c
@... |
5e43eb3cd731649c4f8b9134f857be62a416c893 | Analyze and fix the following issue in the Linux kernel code: drm/amd/display: Add null pointer check in mod_hdcp_hdcp1_create_session() | Problem Details:
The function mod_hdcp_hdcp1_create_session() calls the function
get_first_active_display(), but does not check its return value.
The return value is a null pointer if the display list is empty.
This will lead to a null pointer dereference.
Add a null pointer check for get_first_active_display() and re... | ```diff
diff --git a/drivers/gpu/drm/amd/display/modules/hdcp/hdcp_psp.c b/drivers/gpu/drm/amd/display/modules/hdcp/hdcp_psp.c
index e58e7b93810b..6b7db8ec9a53 100644
--- a/drivers/gpu/drm/amd/display/modules/hdcp/hdcp_psp.c
+++ b/drivers/gpu/drm/amd/display/modules/hdcp/hdcp_psp.c
@@ -260,6 +260,9 @@ enum mod_hdcp_sta... |
c9ec952216d3a520d4e066491a78743eabb3ce7c | Analyze and fix the following issue in the Linux kernel code: drm/amd/display: Promote DC to 3.2.346 | Problem Details:
This version brings along following updates:
- Fix Xorg desktop unresponsive on Replay panel
- [FW Promotion] Release 0.1.23.0
- Avoid a NULL pointer dereference
- Attach privacy screen to DRM connector
- Setup Second Stutter Watermark Implementation
- Align LSDMA commands fields
- Delete unused funct... | ```diff
diff --git a/drivers/gpu/drm/amd/display/dc/dc.h b/drivers/gpu/drm/amd/display/dc/dc.h
index 29aaa38cc784..eb7019ed92b2 100644
--- a/drivers/gpu/drm/amd/display/dc/dc.h
+++ b/drivers/gpu/drm/amd/display/dc/dc.h
@@ -55,7 +55,7 @@ struct aux_payload;
struct set_config_cmd_payload;
struct dmub_notification;
-#... |
34d66bc7ff10e146a4cec76cf286979740a10954 | Analyze and fix the following issue in the Linux kernel code: drm/amd/display: Fix Xorg desktop unresponsive on Replay panel | Problem Details:
[WHY & HOW]
IPS & self-fresh feature can cause vblank counter resets between
vblank disable and enable.
It may cause system stuck due to wait the vblank counter.
Call the drm_crtc_vblank_restore() during vblank enable to estimate
missed vblanks by using timestamps and update the vblank counter in
DRM.... | ```diff
diff --git a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_crtc.c b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_crtc.c
index 010172f930ae..45feb404b097 100644
--- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_crtc.c
+++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_crtc.c
@@ -299,6 +299,25 @@ stat... |
eac4c502119313e2c10a8a5dca099c973dc178bd | Analyze and fix the following issue in the Linux kernel code: drm/amd/display: [FW Promotion] Release 0.1.23.0 | Problem Details:
1. Fix loop counter.
2. Check whether rb->capacity is 0.
Acked-by: Sun peng (Leo) Li <sunpeng.li@amd.com>
Signed-off-by: Taimur Hassan <Syed.Hassan@amd.com>
Signed-off-by: Alex Hung <alex.hung@amd.com>
Tested-by: Dan Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.c... | ```diff
diff --git a/drivers/gpu/drm/amd/display/dmub/inc/dmub_cmd.h b/drivers/gpu/drm/amd/display/dmub/inc/dmub_cmd.h
index 52295efdba63..d7008d84c1ec 100644
--- a/drivers/gpu/drm/amd/display/dmub/inc/dmub_cmd.h
+++ b/drivers/gpu/drm/amd/display/dmub/inc/dmub_cmd.h
@@ -6542,15 +6542,18 @@ static inline bool dmub_rb_fu... |
1e5e8d672fec9f2ab352be121be971877bff2af9 | Analyze and fix the following issue in the Linux kernel code: drm/amd/display: Avoid a NULL pointer dereference | Problem Details:
[WHY]
Although unlikely drm_atomic_get_new_connector_state() or
drm_atomic_get_old_connector_state() can return NULL.
[HOW]
Check returns before dereference.
Cc: Mario Limonciello <mario.limonciello@amd.com>
Cc: Alex Deucher <alexander.deucher@amd.com>
Reviewed-by: Harry Wentland <harry.wentland@amd.... | ```diff
diff --git a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
index 176f420effd9..b944abea306d 100644
--- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
+++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
@@ -7836,6 +7836,9 @@ amdgpu_dm_connector_ato... |
14ec8ce45611c767656e4fa575f17b05344aa80a | Analyze and fix the following issue in the Linux kernel code: tools headers: Sync arm64 headers with the kernel source | Problem Details:
To pick up the changes in this cset:
efe676a1a7554219 arm64: proton-pack: Add new CPUs 'k' values for branch mitigation
e18c09b204e81702 arm64: Add support for HIP09 Spectre-BHB mitigation
a9b5bd81b294d30a arm64: cputype: Add MIDR_CORTEX_A76AE
53a52a0ec7680287 arm64: cputype: Add comments abou... | ```diff
diff --git a/tools/arch/arm64/include/asm/cputype.h b/tools/arch/arm64/include/asm/cputype.h
index 9a5d85cfd1fb..139d5e87dc95 100644
--- a/tools/arch/arm64/include/asm/cputype.h
+++ b/tools/arch/arm64/include/asm/cputype.h
@@ -75,11 +75,13 @@
#define ARM_CPU_PART_CORTEX_A76 0xD0B
#define ARM_CPU_PART_NEOVERS... |
619f55c859014e2235f83ba6cde8c59edc492f39 | Analyze and fix the following issue in the Linux kernel code: tools headers: Sync x86 headers with the kernel source | Problem Details:
To pick up the changes in this cset:
7b306dfa326f7011 x86/sev: Evict cache lines during SNP memory validation
65f55a30176662ee x86/CPU/AMD: Add CPUID faulting support
d8010d4ba43e9f79 x86/bugs: Add a Transient Scheduler Attacks mitigation
a3c4f3396b82849a x86/msr-index: Add AMD workload classi... | ```diff
diff --git a/tools/arch/x86/include/asm/cpufeatures.h b/tools/arch/x86/include/asm/cpufeatures.h
index ee176236c2be..06fc0479a23f 100644
--- a/tools/arch/x86/include/asm/cpufeatures.h
+++ b/tools/arch/x86/include/asm/cpufeatures.h
@@ -218,6 +218,7 @@
#define X86_FEATURE_FLEXPRIORITY ( 8*32+ 1) /* "flexpriority... |
788c57f4766bd5802af9918ea350053a91488c60 | Analyze and fix the following issue in the Linux kernel code: docs: iio: ad3552r: Fix malformed code-block directive | Problem Details:
Missing required double dot and line break.
Fixes: ede84c455659 ("docs: iio: add documentation for ad3552r driver")
Signed-off-by: Jorge Marques <jorge.marques@analog.com>
Reviewed-by: David Lechner <dlechner@baylibre.com>
Link: https://patch.msgid.link/20250818-docs-ad3552r-code-block-fix-v1-1-4430cb... | ```diff
diff --git a/Documentation/iio/ad3552r.rst b/Documentation/iio/ad3552r.rst
index f5d59e4e86c7..4274e35f503d 100644
--- a/Documentation/iio/ad3552r.rst
+++ b/Documentation/iio/ad3552r.rst
@@ -64,7 +64,8 @@ specific debugfs path ``/sys/kernel/debug/iio/iio:deviceX``.
Usage examples
--------------
-. code-bloc... |
22ec0faa0eda30acdd6dcb3c29c872629da677bb | Analyze and fix the following issue in the Linux kernel code: perf test: Fix a build error in x86 topdown test | Problem Details:
There's an environment that caused the following build error. Include
"debug.h" (under util directory) to fix it.
arch/x86/tests/topdown.c: In function 'event_cb':
arch/x86/tests/topdown.c:53:25: error: implicit declaration of function 'pr_debug'
[-Werror=... | ```diff
diff --git a/tools/perf/arch/x86/tests/topdown.c b/tools/perf/arch/x86/tests/topdown.c
index 8d0ea7a4bbc1..1eba3b4594ef 100644
--- a/tools/perf/arch/x86/tests/topdown.c
+++ b/tools/perf/arch/x86/tests/topdown.c
@@ -1,6 +1,7 @@
// SPDX-License-Identifier: GPL-2.0
#include "arch-tests.h"
#include "../util/topd... |
43c0f6456f801181a80b73d95def0e0fd134e1cc | Analyze and fix the following issue in the Linux kernel code: iio: pressure: bmp280: Use IS_ERR() in bmp280_common_probe() | Problem Details:
`devm_gpiod_get_optional()` may return non-NULL error pointer on failure.
Check its return value using `IS_ERR()` and propagate the error if
necessary.
Fixes: df6e71256c84 ("iio: pressure: bmp280: Explicitly mark GPIO optional")
Signed-off-by: Salah Triki <salah.triki@gmail.com>
Reviewed-by: David Lec... | ```diff
diff --git a/drivers/iio/pressure/bmp280-core.c b/drivers/iio/pressure/bmp280-core.c
index 74505c9ec1a0..6cdc8ed53520 100644
--- a/drivers/iio/pressure/bmp280-core.c
+++ b/drivers/iio/pressure/bmp280-core.c
@@ -3213,11 +3213,12 @@ int bmp280_common_probe(struct device *dev,
/* Bring chip out of reset if the... |
75a6b4595daa569bbc2899eef40372fc013b2d73 | Analyze and fix the following issue in the Linux kernel code: kconfig: qconf/xconfig: show the OptionsMode radio button setting at startup | Problem Details:
When qconf (xconfig) exits, it saves the current Option settings
for Show Name, Show Debug Info, and Show {Normal|All|Prompt} Options.
When it is next run, it loads these Option settings from its
config file. It correctly shows the flag settings for Show Name
and Show Debug Info, but it does not show w... | ```diff
diff --git a/scripts/kconfig/qconf.cc b/scripts/kconfig/qconf.cc
index f8992db1870a..b84c9f2485d1 100644
--- a/scripts/kconfig/qconf.cc
+++ b/scripts/kconfig/qconf.cc
@@ -1377,6 +1377,19 @@ ConfigMainWindow::ConfigMainWindow(void)
ConfigList::showPromptAction = new QAction("Show Prompt Options", optGroup);
... |
779b1a1cb13ae17028aeddb2fbbdba97357a1e15 | Analyze and fix the following issue in the Linux kernel code: cpuidle: governors: menu: Avoid selecting states with too much latency | Problem Details:
Occasionally, the exit latency of the idle state selected by the menu
governor may exceed the PM QoS CPU wakeup latency limit. Namely, if the
scheduler tick has been stopped already and predicted_ns is greater than
the tick period length, the governor may return an idle state whose exit
latency exceed... | ```diff
diff --git a/drivers/cpuidle/governors/menu.c b/drivers/cpuidle/governors/menu.c
index 81306612a5c6..b2e3d0b0a116 100644
--- a/drivers/cpuidle/governors/menu.c
+++ b/drivers/cpuidle/governors/menu.c
@@ -287,20 +287,15 @@ static int menu_select(struct cpuidle_driver *drv, struct cpuidle_device *dev,
return 0;... |
e6a9530b3ee7407b70b60e4df70688db0d239e1a | Analyze and fix the following issue in the Linux kernel code: cxl: Fix emit of type resource_size_t argument for validate_region_offset() | Problem Details:
0day reported warnings of:
drivers/cxl/core/region.c:3664:25: warning: format '%llx' expects argument of type 'long long unsigned int', but argument 4 has type 'resource_size_t' {aka 'unsigned int'} [-Wformat=]
drivers/cxl/core/region.c:3671:37: warning: format '%llx' expects argument of type 'long lo... | ```diff
diff --git a/drivers/cxl/core/region.c b/drivers/cxl/core/region.c
index 3c39e2c9942b..29d3809ab2bb 100644
--- a/drivers/cxl/core/region.c
+++ b/drivers/cxl/core/region.c
@@ -3660,15 +3660,15 @@ static int validate_region_offset(struct cxl_region *cxlr, u64 offset)
if (offset < p->cache_size) {
dev_err(&... |
29fe206065f3784397252c7f6aa28dc6d413fb94 | Analyze and fix the following issue in the Linux kernel code: Documentation: Fix trace typos | Problem Details:
Fix typos.
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Reviewed-by: Randy Dunlap <rdunlap@infradead.org>
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
Link: https://lore.kernel.org/r/20250813200526.290420-9-helgaas@kernel.org | ```diff
diff --git a/Documentation/trace/fprobe.rst b/Documentation/trace/fprobe.rst
index 71cd40472d36..06b0edad0179 100644
--- a/Documentation/trace/fprobe.rst
+++ b/Documentation/trace/fprobe.rst
@@ -81,7 +81,7 @@ Same as ftrace, the registered callbacks will start being called some time
after the register_fprobe()... |
3dae66aec6b0bd847e5056fb5174dfc325162734 | Analyze and fix the following issue in the Linux kernel code: Documentation: Fix power typos | Problem Details:
Fix typos.
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Reviewed-by: Randy Dunlap <rdunlap@infradead.org>
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
Link: https://lore.kernel.org/r/20250813200526.290420-8-helgaas@kernel.org | ```diff
diff --git a/Documentation/power/pci.rst b/Documentation/power/pci.rst
index 9ebecb7b00b2..38e614d92a4a 100644
--- a/Documentation/power/pci.rst
+++ b/Documentation/power/pci.rst
@@ -472,7 +472,7 @@ in the device tree from the root bridge to a leaf device contains both of them).
The pci_pm_suspend_noirq() rout... |
e855d7e5e2e9ed311930d557f7ed033e200fcdef | Analyze and fix the following issue in the Linux kernel code: Documentation: Fix networking typos | Problem Details:
Fix typos.
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Reviewed-by: Randy Dunlap <rdunlap@infradead.org>
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
Link: https://lore.kernel.org/r/20250813200526.290420-7-helgaas@kernel.org | ```diff
diff --git a/Documentation/networking/can.rst b/Documentation/networking/can.rst
index bc1b585355f7..680dc7451493 100644
--- a/Documentation/networking/can.rst
+++ b/Documentation/networking/can.rst
@@ -539,7 +539,7 @@ CAN Filter Usage Optimisation
The CAN filters are processed in per-device filter lists at CA... |
81fd803b5a5da3fad0140163091e12b3ac2ae484 | Analyze and fix the following issue in the Linux kernel code: Documentation: Fix filesystems typos | Problem Details:
Fix typos.
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Reviewed-by: Randy Dunlap <rdunlap@infradead.org>
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
Link: https://lore.kernel.org/r/20250813200526.290420-6-helgaas@kernel.org | ```diff
diff --git a/Documentation/filesystems/erofs.rst b/Documentation/filesystems/erofs.rst
index 7ddb235aee9d..08194f194b94 100644
--- a/Documentation/filesystems/erofs.rst
+++ b/Documentation/filesystems/erofs.rst
@@ -116,7 +116,7 @@ cache_strategy=%s Select a strategy for cached decompression from now on:
... |
8900f9ad90c05d0c44a21786cfef08061230f5b7 | Analyze and fix the following issue in the Linux kernel code: Documentation: Fix core-api typos | Problem Details:
Fix typos.
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Reviewed-by: Randy Dunlap <rdunlap@infradead.org>
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
Link: https://lore.kernel.org/r/20250813200526.290420-5-helgaas@kernel.org | ```diff
diff --git a/Documentation/core-api/irq/irq-affinity.rst b/Documentation/core-api/irq/irq-affinity.rst
index 29da5000836a..9cb460cf60b6 100644
--- a/Documentation/core-api/irq/irq-affinity.rst
+++ b/Documentation/core-api/irq/irq-affinity.rst
@@ -9,9 +9,9 @@ ChangeLog:
/proc/irq/IRQ#/smp_affinity and /proc/i... |
c349216707362a8c2376995296cb55604d4c0ee9 | Analyze and fix the following issue in the Linux kernel code: Documentation: Fix admin-guide typos | Problem Details:
Fix typos.
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Reviewed-by: Randy Dunlap <rdunlap@infradead.org>
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
Link: https://lore.kernel.org/r/20250813200526.290420-4-helgaas@kernel.org | ```diff
diff --git a/Documentation/admin-guide/LSM/SafeSetID.rst b/Documentation/admin-guide/LSM/SafeSetID.rst
index 0ec34863c674..6d439c987563 100644
--- a/Documentation/admin-guide/LSM/SafeSetID.rst
+++ b/Documentation/admin-guide/LSM/SafeSetID.rst
@@ -41,7 +41,7 @@ namespace). The higher level goal is to allow for u... |
aa7acf34c50b991702a0d052aa2b99b434e8a01c | Analyze and fix the following issue in the Linux kernel code: Documentation: Fix RCU typos | Problem Details:
Fix typos.
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Reviewed-by: Randy Dunlap <rdunlap@infradead.org>
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
Link: https://lore.kernel.org/r/20250813200526.290420-3-helgaas@kernel.org | ```diff
diff --git a/Documentation/RCU/lockdep.rst b/Documentation/RCU/lockdep.rst
index 69e73a39bd11..741b157bbacb 100644
--- a/Documentation/RCU/lockdep.rst
+++ b/Documentation/RCU/lockdep.rst
@@ -106,7 +106,7 @@ or the RCU-protected data that it points to can change concurrently.
Like rcu_dereference(), when lockde... |
c676a536f6b5d4c423ff66a2aa27b6c4141e4895 | Analyze and fix the following issue in the Linux kernel code: Documentation: Fix PCI typos | Problem Details:
Fix typos.
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Reviewed-by: Randy Dunlap <rdunlap@infradead.org>
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
Link: https://lore.kernel.org/r/20250813200526.290420-2-helgaas@kernel.org | ```diff
diff --git a/Documentation/PCI/endpoint/pci-endpoint-cfs.rst b/Documentation/PCI/endpoint/pci-endpoint-cfs.rst
index fb73345cfb8a..e69c2872ce3b 100644
--- a/Documentation/PCI/endpoint/pci-endpoint-cfs.rst
+++ b/Documentation/PCI/endpoint/pci-endpoint-cfs.rst
@@ -86,7 +86,7 @@ The <EPF Device> directory can have... |
359ad700eb8b563461819b6227b021b280e37e3e | Analyze and fix the following issue in the Linux kernel code: Documentation: ktap: Correct "its" spelling | Problem Details:
Fix possessive adjective "its" spelling.
Signed-off-by: Bagas Sanjaya <bagasdotme@gmail.com>
Reviewed-by: Randy Dunlap <rdunlap@infradead.org>
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
Link: https://lore.kernel.org/r/20250814012046.21235-2-bagasdotme@gmail.com | ```diff
diff --git a/Documentation/dev-tools/ktap.rst b/Documentation/dev-tools/ktap.rst
index 414c105b10a9..54fac3d3bf7b 100644
--- a/Documentation/dev-tools/ktap.rst
+++ b/Documentation/dev-tools/ktap.rst
@@ -5,7 +5,7 @@ The Kernel Test Anything Protocol (KTAP), version 1
============================================... |
b21d1fbb97c814c76ffa392cd603f8cd3ecc0355 | Analyze and fix the following issue in the Linux kernel code: ACPI: APEI: EINJ: Fix resource leak by remove callback in .exit.text | Problem Details:
The .remove() callback is also used during error handling in
faux_probe(). As einj_remove() was marked with __exit it's not linked
into the kernel if the driver is built-in, potentially resulting in
resource leaks.
Also remove the comment justifying the __exit annotation which doesn't
apply any more s... | ```diff
diff --git a/drivers/acpi/apei/einj-core.c b/drivers/acpi/apei/einj-core.c
index b489ae684a1b..2561b045acc7 100644
--- a/drivers/acpi/apei/einj-core.c
+++ b/drivers/acpi/apei/einj-core.c
@@ -1094,7 +1094,7 @@ err_put_table:
return rc;
}
-static void __exit einj_remove(struct faux_device *fdev)
+static void... |
6cf5f13ef3f1c032b48fddd4f0f9108236c7762a | Analyze and fix the following issue in the Linux kernel code: Documentation: Fix driver-api typos | Problem Details:
Corrected a few spelling mistakes
functionalty ==> functionality
in Documentation/driver-api/cxl/devices/device-types.rst
adjascent ==> adjacent
in Documentation/driver-api/cxl/platform/example-configurations/one-dev-per-hb.rst
succeessful ==> successful
in Documentation/driver-api/thermal/exynos_th... | ```diff
diff --git a/Documentation/driver-api/cxl/devices/device-types.rst b/Documentation/driver-api/cxl/devices/device-types.rst
index 923f5d89bc04..7f69dfa4509b 100644
--- a/Documentation/driver-api/cxl/devices/device-types.rst
+++ b/Documentation/driver-api/cxl/devices/device-types.rst
@@ -22,7 +22,7 @@ The basic i... |
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