id stringlengths 40 40 | instruction stringlengths 68 308 | input stringlengths 17 33.4k | output stringlengths 100 30k |
|---|---|---|---|
fd0e35bdd3a5ca43cfe4dad48ad7df510ee18407 | Analyze and fix the following issue in the Linux kernel code: drm/amd/ras: Fix the error of undefined reference to `__udivdi3' | Problem Details:
Fix the error:
drivers/gpu/drm/amd/amdgpu/../ras/ras_mgr/amdgpu_ras_mgr.c:132:undefined reference to `__udivdi3'
Fixes: fa0b203cd902 ("drm/amd/ras: Add amdgpu ras management function.")
Reported-by: kernel test robot <lkp@intel.com>
Closes: https://lore.kernel.org/oe-kbuild-all/202510272144.6SUHUoWx-l... | ```diff
diff --git a/drivers/gpu/drm/amd/ras/ras_mgr/amdgpu_ras_mgr.c b/drivers/gpu/drm/amd/ras/ras_mgr/amdgpu_ras_mgr.c
index 8007e49951d8..dc2a4c6c1907 100644
--- a/drivers/gpu/drm/amd/ras/ras_mgr/amdgpu_ras_mgr.c
+++ b/drivers/gpu/drm/amd/ras/ras_mgr/amdgpu_ras_mgr.c
@@ -37,7 +37,7 @@
#define MAX_XCD_NUM_PER_AID ... |
b4e002d8a7cee3b1d70efad0e222567f92a73000 | Analyze and fix the following issue in the Linux kernel code: spi: tegra210-quad: Fix timeout handling | Problem Details:
When the CPU that the QSPI interrupt handler runs on (typically CPU 0)
is excessively busy, it can lead to rare cases of the IRQ thread not
running before the transfer timeout is reached.
While handling the timeouts, any pending transfers are cleaned up and
the message that they correspond to is marke... | ```diff
diff --git a/drivers/spi/spi-tegra210-quad.c b/drivers/spi/spi-tegra210-quad.c
index 3be7499db21e..d9ca3d7b082f 100644
--- a/drivers/spi/spi-tegra210-quad.c
+++ b/drivers/spi/spi-tegra210-quad.c
@@ -1024,8 +1024,10 @@ static void tegra_qspi_handle_error(struct tegra_qspi *tqspi)
dev_err(tqspi->dev, "error in ... |
527e3d40339b228f1c5a81ef17b4d883ead18530 | Analyze and fix the following issue in the Linux kernel code: drm/amd/ras: Add CPER ring read for uniras | Problem Details:
Read CPER raw data from debugfs node "/sys/kernel/debug/dri/*/
amdgpu_ring_cper".
Signed-off-by: Xiang Liu <xiang.liu@amd.com>
Reviewed-by: Tao Zhou <tao.zhou1@amd.com>
Reviewed-by: Yang Wang <kevinyang.wang@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com> | ```diff
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_ras_eeprom.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_ras_eeprom.c
index 5a7bf0661dbf..011fa4748084 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_ras_eeprom.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_ras_eeprom.c
@@ -770,7 +770,8 @@ amdgpu_ras_eeprom_update_header(struc... |
ad0a48e531a3137cec16bb5f8f60c8cc8de06b01 | Analyze and fix the following issue in the Linux kernel code: drm/amdgpu: move reset debug disable handling | Problem Details:
Move everything to the supported resets masks rather than
having an explicit misc checks for this.
Reviewed-by: Jesse Zhang <Jesse.Zhang@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com> | ```diff
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_job.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_job.c
index e08d837668f1..9e0cd1e0afc3 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_job.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_job.c
@@ -130,11 +130,9 @@ static enum drm_gpu_sched_stat amdgpu_job_timedout(struct drm_sc... |
1972763505d728c604b537180727ec8132e619df | Analyze and fix the following issue in the Linux kernel code: drm/amdgpu: set default gfx reset masks for gfx6-8 | Problem Details:
These were not set so soft recovery was inadvertantly
disabled.
Fixes: 6ac55eab4fc4 ("drm/amdgpu: move reset support type checks into the caller")
Reviewed-by: Jesse Zhang <Jesse.Zhang@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com> | ```diff
diff --git a/drivers/gpu/drm/amd/amdgpu/gfx_v6_0.c b/drivers/gpu/drm/amd/amdgpu/gfx_v6_0.c
index 7693b7953426..80565392313f 100644
--- a/drivers/gpu/drm/amd/amdgpu/gfx_v6_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/gfx_v6_0.c
@@ -3102,6 +3102,11 @@ static int gfx_v6_0_sw_init(struct amdgpu_ip_block *ip_block)
retu... |
bbde14682eba21d86f5f3d6fe2d371b1f97f1e61 | Analyze and fix the following issue in the Linux kernel code: pmdomain: imx: Fix reference count leak in imx_gpc_remove | Problem Details:
of_get_child_by_name() returns a node pointer with refcount incremented, we
should use of_node_put() on it when not needed anymore. Add the missing
of_node_put() to avoid refcount leak.
Fixes: 721cabf6c660 ("soc: imx: move PGC handling to a new GPC driver")
Cc: stable@vger.kernel.org
Signed-off-by: Mi... | ```diff
diff --git a/drivers/pmdomain/imx/gpc.c b/drivers/pmdomain/imx/gpc.c
index 33991f3c6b55..a34b260274f7 100644
--- a/drivers/pmdomain/imx/gpc.c
+++ b/drivers/pmdomain/imx/gpc.c
@@ -536,6 +536,8 @@ static void imx_gpc_remove(struct platform_device *pdev)
return;
}
}
+
+ of_node_put(pgc_node);
}
static... |
cb99e12ba8cb8a16c44e6de7927e9a1d84260f24 | Analyze and fix the following issue in the Linux kernel code: drm/xe: Decouple bind queue last fence from TLB invalidations | Problem Details:
Separate the bind queue’s last fence to apply exclusively to the bind
job, avoiding unnecessary serialization on prior TLB invalidations.
Preserve correct user fence signaling by merging bind and TLB
invalidation fences later in the pipeline.
v3:
- Fix lockdep assert for migrate queues (CI)
- Use in... | ```diff
diff --git a/drivers/gpu/drm/xe/xe_pt.c b/drivers/gpu/drm/xe/xe_pt.c
index 7c5bca78c8bf..8ef9bfcbd997 100644
--- a/drivers/gpu/drm/xe/xe_pt.c
+++ b/drivers/gpu/drm/xe/xe_pt.c
@@ -3,8 +3,6 @@
* Copyright © 2022 Intel Corporation
*/
-#include <linux/dma-fence-array.h>
-
#include "xe_pt.h"
#include "regs... |
b2d7ec41f2a3ab99cf0bf0fafc20d4d10bb6b0de | Analyze and fix the following issue in the Linux kernel code: drm/xe: Attach last fence to TLB invalidation job queues | Problem Details:
Add support for attaching the last fence to TLB invalidation job queues
to address serialization issues during bursts of unbind jobs. Ensure
that user fence signaling for a bind job reflects both the bind job
itself and the last fences of all related TLB invalidations. Maintain
submission order based s... | ```diff
diff --git a/drivers/gpu/drm/xe/xe_exec_queue.c b/drivers/gpu/drm/xe/xe_exec_queue.c
index e3414b337569..aada199faf71 100644
--- a/drivers/gpu/drm/xe/xe_exec_queue.c
+++ b/drivers/gpu/drm/xe/xe_exec_queue.c
@@ -387,6 +387,7 @@ void xe_exec_queue_destroy(struct kref *ref)
{
struct xe_exec_queue *q = container... |
adda4e855ab6409a3edaa585293f1f2069ab7299 | Analyze and fix the following issue in the Linux kernel code: drm/xe: Enforce correct user fence signaling order using | Problem Details:
Prevent application hangs caused by out-of-order fence signaling when
user fences are attached. Use drm_syncobj (via dma-fence-chain) to
guarantee that each user fence signals in order, regardless of the
signaling order of the attached fences. Ensure user fence writebacks to
user space occur in the cor... | ```diff
diff --git a/drivers/gpu/drm/xe/xe_exec.c b/drivers/gpu/drm/xe/xe_exec.c
index f4d79b4b9396..bf71a2fe5351 100644
--- a/drivers/gpu/drm/xe/xe_exec.c
+++ b/drivers/gpu/drm/xe/xe_exec.c
@@ -173,7 +173,8 @@ int xe_exec_ioctl(struct drm_device *dev, void *data, struct drm_file *file)
for (num_syncs = 0; num_sync... |
f1fdffe0afea02ba783acfe815b6a60e7180df40 | Analyze and fix the following issue in the Linux kernel code: x86/CPU/AMD: Add missing terminator for zen5_rdseed_microcode | Problem Details:
Running x86_match_min_microcode_rev() on a Zen5 CPU trips up KASAN for an out
of bounds access.
Fixes: 607b9fb2ce248 ("x86/CPU/AMD: Add RDSEED fix for Zen5")
Signed-off-by: Mario Limonciello <mario.limonciello@amd.com>
Signed-off-by: Borislav Petkov (AMD) <bp@alien8.de>
Cc: stable@vger.kernel.org
Link... | ```diff
diff --git a/arch/x86/kernel/cpu/amd.c b/arch/x86/kernel/cpu/amd.c
index 8e36964a7721..2ba9f2d42d8c 100644
--- a/arch/x86/kernel/cpu/amd.c
+++ b/arch/x86/kernel/cpu/amd.c
@@ -1038,6 +1038,7 @@ static void init_amd_zen4(struct cpuinfo_x86 *c)
static const struct x86_cpu_id zen5_rdseed_microcode[] = {
ZEN_MODE... |
fccac54b0d3d0602f177bb79f203ae6fbea0e32a | Analyze and fix the following issue in the Linux kernel code: pmdomain: samsung: Rework legacy splash-screen handover workaround | Problem Details:
Limit the workaround for the lack of the proper splash-screen handover
handling to the legacy ARM 32bit systems and replace forcing a sync_state
by explicite power domain shutdown. This approach lets compiler to
optimize it out on newer ARM 64bit systems.
Suggested-by: Ulf Hansson <ulf.hansson@linaro.... | ```diff
diff --git a/drivers/pmdomain/samsung/exynos-pm-domains.c b/drivers/pmdomain/samsung/exynos-pm-domains.c
index f53e1bd24798..5c3aa8983087 100644
--- a/drivers/pmdomain/samsung/exynos-pm-domains.c
+++ b/drivers/pmdomain/samsung/exynos-pm-domains.c
@@ -128,6 +128,15 @@ static int exynos_pd_probe(struct platform_d... |
2f6da95cfbafce1fc92f8f37944356c248bec36d | Analyze and fix the following issue in the Linux kernel code: arm64: dts: socfpga: agilex5: fix CHECK_DTBS warning for NAND | Problem Details:
Add the required clock-names property NAND controller. This change corrects
the warning:
socfpga_agilex5_socdk_nand.dtb: nand-controller@10b80000 (cdns,hp-nfc):
'clock-names' is a required property
Signed-off-by: Dinh Nguyen <dinguyen@kernel.org> | ```diff
diff --git a/arch/arm64/boot/dts/intel/socfpga_agilex5.dtsi b/arch/arm64/boot/dts/intel/socfpga_agilex5.dtsi
index a13ccee3c4c3..771c594532e7 100644
--- a/arch/arm64/boot/dts/intel/socfpga_agilex5.dtsi
+++ b/arch/arm64/boot/dts/intel/socfpga_agilex5.dtsi
@@ -274,6 +274,7 @@
#size-cells = <0>;
interrupts... |
4d3dbc2386fe051e44efad663e0ec828b98ab53f | Analyze and fix the following issue in the Linux kernel code: nfsd: add missing FATTR4_WORD2_CLONE_BLKSIZE from supported attributes | Problem Details:
RFC 7862 Section 4.1.2 says that if the server supports CLONE it MUST
support clone_blksize attribute.
Fixes: d6ca7d2643ee ("NFSD: Implement FATTR4_CLONE_BLKSIZE attribute")
Cc: stable@vger.kernel.org
Signed-off-by: Olga Kornievskaia <okorniev@redhat.com>
Reviewed-by: Jeff Layton <jlayton@kernel.org>
... | ```diff
diff --git a/fs/nfsd/nfsd.h b/fs/nfsd/nfsd.h
index f19320018639..b752433c3c2c 100644
--- a/fs/nfsd/nfsd.h
+++ b/fs/nfsd/nfsd.h
@@ -458,6 +458,7 @@ enum {
#define NFSD4_2_SUPPORTED_ATTRS_WORD2 \
(NFSD4_1_SUPPORTED_ATTRS_WORD2 | \
FATTR4_WORD2_MODE_UMASK | \
+ FATTR4_WORD2_CLONE_BLKSIZE | \
NFSD4_2_SECURIT... |
8a7348a9ed70bda1c1f51d3f1815bcbdf9f3b38c | Analyze and fix the following issue in the Linux kernel code: nfsd: fix refcount leak in nfsd_set_fh_dentry() | Problem Details:
nfsd exports a "pseudo root filesystem" which is used by NFSv4 to find
the various exported filesystems using LOOKUP requests from a known root
filehandle. NFSv3 uses the MOUNT protocol to find those exported
filesystems and so is not given access to the pseudo root filesystem.
If a v3 (or v2) client... | ```diff
diff --git a/fs/nfsd/nfsfh.c b/fs/nfsd/nfsfh.c
index 3edccc38db42..bd9acfdc7b01 100644
--- a/fs/nfsd/nfsfh.c
+++ b/fs/nfsd/nfsfh.c
@@ -269,9 +269,6 @@ static __be32 nfsd_set_fh_dentry(struct svc_rqst *rqstp, struct net *net,
dentry);
}
- fhp->fh_dentry = dentry;
- fhp->fh_export = exp;
-
switch (fhp-... |
30ed05adca4a05c50594384cff18910858dd1d35 | Analyze and fix the following issue in the Linux kernel code: xsk: use a smaller new lock for shared pool case | Problem Details:
- Split cq_lock into two smaller locks: cq_prod_lock and
cq_cached_prod_lock
- Avoid disabling/enabling interrupts in the hot xmit path
In either xsk_cq_cancel_locked() or xsk_cq_reserve_locked() function,
the race condition is only between multiple xsks sharing the same
pool. They are all in the pr... | ```diff
diff --git a/include/net/xsk_buff_pool.h b/include/net/xsk_buff_pool.h
index cac56e6b0869..92a2358c6ce3 100644
--- a/include/net/xsk_buff_pool.h
+++ b/include/net/xsk_buff_pool.h
@@ -85,11 +85,16 @@ struct xsk_buff_pool {
bool unaligned;
bool tx_sw_csum;
void *addrs;
- /* Mutual exclusion of the completio... |
734e99623c5b65bf2c03e35978a0b980ebc3c2f8 | Analyze and fix the following issue in the Linux kernel code: smb: client: fix potential UAF in smb2_close_cached_fid() | Problem Details:
find_or_create_cached_dir() could grab a new reference after kref_put()
had seen the refcount drop to zero but before cfid_list_lock is acquired
in smb2_close_cached_fid(), leading to use-after-free.
Switch to kref_put_lock() so cfid_release() is called with
cfid_list_lock held, closing that gap.
Fix... | ```diff
diff --git a/fs/smb/client/cached_dir.c b/fs/smb/client/cached_dir.c
index b8ac7b7faf61..018055fd2cdb 100644
--- a/fs/smb/client/cached_dir.c
+++ b/fs/smb/client/cached_dir.c
@@ -388,11 +388,11 @@ out:
* lease. Release one here, and the second below.
*/
cfid->has_lease = false;
- kref_put(&cfid-... |
a4ff26b7c8ef38e4dd34f77cbcd73576fdde6dd4 | Analyze and fix the following issue in the Linux kernel code: drm/xe: Do clean shutdown also when using flr | Problem Details:
Currently Xe driver is triggering flr without any clean-up on
shutdown. This is causing random warnings from pending related works as the
underlying hardware is reset in the middle of their execution.
Fix this by performing clean shutdown also when using flr.
Fixes: 501d799a47e2 ("drm/xe: Wire up dev... | ```diff
diff --git a/drivers/gpu/drm/xe/xe_device.c b/drivers/gpu/drm/xe/xe_device.c
index 47f5391ad8e9..3db922dd2b24 100644
--- a/drivers/gpu/drm/xe/xe_device.c
+++ b/drivers/gpu/drm/xe/xe_device.c
@@ -988,21 +988,21 @@ void xe_device_remove(struct xe_device *xe)
void xe_device_shutdown(struct xe_device *xe)
{
+ s... |
249d96b492efb7a773296ab2c62179918301c146 | Analyze and fix the following issue in the Linux kernel code: ASoC: da7213: Use component driver suspend/resume | Problem Details:
Since snd_soc_suspend() is invoked through snd_soc_pm_ops->suspend(),
and snd_soc_pm_ops is associated with the soc_driver (defined in
sound/soc/soc-core.c), and there is no parent-child relationship between
the soc_driver and the DA7213 codec driver, the power management subsystem
does not enforce a s... | ```diff
diff --git a/sound/soc/codecs/da7213.c b/sound/soc/codecs/da7213.c
index ae89260ca215..3420011da444 100644
--- a/sound/soc/codecs/da7213.c
+++ b/sound/soc/codecs/da7213.c
@@ -2124,11 +2124,50 @@ static int da7213_probe(struct snd_soc_component *component)
return 0;
}
+static int da7213_runtime_suspend(stru... |
74ba587f402d5501af2c85e50cf1e4044263b6ca | Analyze and fix the following issue in the Linux kernel code: drm/hyperv: include drm_print.h where needed | Problem Details:
hyperv_drm_drv.c and hyperv_drm_modeset.c depend on drm_print.h being
indirectly included via drm_buddy.h, drm_mm.h, or
ttm/ttm_resource.h. Include drm_print.h explicitly.
Reported-by: Stephen Rothwell <sfr@canb.auug.org.au>
Closes: https://lore.kernel.org/r/20251104101158.1cc9abcd@canb.auug.org.au
Fi... | ```diff
diff --git a/drivers/gpu/drm/hyperv/hyperv_drm_drv.c b/drivers/gpu/drm/hyperv/hyperv_drm_drv.c
index 0d49f168a919..06b5d96e6eaf 100644
--- a/drivers/gpu/drm/hyperv/hyperv_drm_drv.c
+++ b/drivers/gpu/drm/hyperv/hyperv_drm_drv.c
@@ -14,6 +14,7 @@
#include <drm/drm_drv.h>
#include <drm/drm_fbdev_shmem.h>
#inclu... |
1a31cb2782104969e48c7ce7e4fc06e403fcb5cf | Analyze and fix the following issue in the Linux kernel code: media: dvb-usb: pctv452e: move snd/rcv len check before kmalloc | Problem Details:
syzbot reported a uninit-value in pctv452e_i2c_msg. [1]
When the snd_len or rcv_len check fails and jumps to failed, buf is
uninitialized, triggering the uninit-value issue.
Move the snd/rcv length check before kmalloc, and return -EINVAL directly
if the condition is met.
[1]
BUG: KMSAN: uninit-valu... | ```diff
diff --git a/drivers/media/usb/dvb-usb/pctv452e.c b/drivers/media/usb/dvb-usb/pctv452e.c
index 5094de9a312e..bc7a224d829e 100644
--- a/drivers/media/usb/dvb-usb/pctv452e.c
+++ b/drivers/media/usb/dvb-usb/pctv452e.c
@@ -422,16 +422,15 @@ static int pctv452e_i2c_msg(struct dvb_usb_device *d, u8 addr,
u8 id;
i... |
4e97bae1b412cd6ed8053b3d8a242122952985cc | Analyze and fix the following issue in the Linux kernel code: cleanup: fix scoped_class() | Problem Details:
This is a class, not a guard so why on earth is it checking for guard
pointers or conditional lock acquisition? None of it makes any sense at
all.
I'm not sure what happened back then. Maybe I had a brief psychedelic
period that I completely forgot about and spaced out into a zone where
that initial m... | ```diff
diff --git a/include/linux/cleanup.h b/include/linux/cleanup.h
index 2573585b7f06..19c7e475d3a4 100644
--- a/include/linux/cleanup.h
+++ b/include/linux/cleanup.h
@@ -290,15 +290,16 @@ static inline class_##_name##_t class_##_name##ext##_constructor(_init_args) \
class_##_name##_t var __cleanup(class_##_name#... |
fd9f30d1038ee1624baa17a6ff11effe5f7617cb | Analyze and fix the following issue in the Linux kernel code: parisc: Avoid crash due to unaligned access in unwinder | Problem Details:
Guenter Roeck reported this kernel crash on his emulated B160L machine:
Starting network: udhcpc: started, v1.36.1
Backtrace:
[<104320d4>] unwind_once+0x1c/0x5c
[<10434a00>] walk_stackframe.isra.0+0x74/0xb8
[<10434a6c>] arch_stack_walk+0x28/0x38
[<104e5efc>] stack_trace_save+0x48/0x5c
[<105... | ```diff
diff --git a/arch/parisc/kernel/unwind.c b/arch/parisc/kernel/unwind.c
index f7e0fee5ee55..7ac88ff13d3c 100644
--- a/arch/parisc/kernel/unwind.c
+++ b/arch/parisc/kernel/unwind.c
@@ -35,6 +35,8 @@
#define KERNEL_START (KERNEL_BINARY_TEXT_START)
+#define ALIGNMENT_OK(ptr, type) (((ptr) & (sizeof(type) - 1))... |
edcdd00099f1b755095dd770c9cd5d3374e49ebc | Analyze and fix the following issue in the Linux kernel code: drm/vkms: Fix run-tests.sh script name | Problem Details:
The script is "run-tests.sh", no "run-test.sh".
Signed-off-by: José Expósito <jose.exposito89@gmail.com>
Reviewed-by: Louis Chauvet <louis.chauvet@bootlin.com>
Link: https://lore.kernel.org/r/20251024110014.4614-1-jose.exposito89@gmail.com
Signed-off-by: Louis Chauvet <louis.chauvet@bootlin.com> | ```diff
diff --git a/Documentation/gpu/vkms.rst b/Documentation/gpu/vkms.rst
index 3574e01b928d..d8c445c417b7 100644
--- a/Documentation/gpu/vkms.rst
+++ b/Documentation/gpu/vkms.rst
@@ -161,7 +161,7 @@ To return to graphical mode, do::
Once you are in text only mode, you can run tests using the --device switch
or ... |
f9e46acc172138a472ffb3bf0270a0b156a77411 | Analyze and fix the following issue in the Linux kernel code: drm/vkms: Fix use after frees on error paths | Problem Details:
These error paths free a pointer and then dereference it on the next line
to get the error code. Save the error code first and then free the
memory.
Fixes: 3e4d5b30d2b2 ("drm/vkms: Allow to configure multiple CRTCs via configfs")
Fixes: 2f1734ba271b ("drm/vkms: Allow to configure multiple planes via ... | ```diff
diff --git a/drivers/gpu/drm/vkms/vkms_configfs.c b/drivers/gpu/drm/vkms/vkms_configfs.c
index 07ab794e1052..506666e21c91 100644
--- a/drivers/gpu/drm/vkms/vkms_configfs.c
+++ b/drivers/gpu/drm/vkms/vkms_configfs.c
@@ -204,6 +204,7 @@ static struct config_group *make_crtc_group(struct config_group *group,
{
... |
a0c7005333f9a968abb058b1d77bbcd7fb7fd1e7 | Analyze and fix the following issue in the Linux kernel code: iommu/amd: Fix potential out-of-bounds read in iommu_mmio_show | Problem Details:
In iommu_mmio_write(), it validates the user-provided offset with the
check: `iommu->dbg_mmio_offset > iommu->mmio_phys_end - 4`.
This assumes a 4-byte access. However, the corresponding
show handler, iommu_mmio_show(), uses readq() to perform an 8-byte
(64-bit) read.
If a user provides an offset equa... | ```diff
diff --git a/drivers/iommu/amd/debugfs.c b/drivers/iommu/amd/debugfs.c
index 10fa217a7119..20b04996441d 100644
--- a/drivers/iommu/amd/debugfs.c
+++ b/drivers/iommu/amd/debugfs.c
@@ -37,7 +37,7 @@ static ssize_t iommu_mmio_write(struct file *filp, const char __user *ubuf,
if (ret)
return ret;
- if (iommu... |
7a5201ea1907534efe3a6e9c001ef4c0257cb3f0 | Analyze and fix the following issue in the Linux kernel code: rseq: Split up rseq_exit_to_user_mode() | Problem Details:
Separate the interrupt and syscall exit handling. Syscall exit does not
require to clear the user_irq bit as it can't be set. On interrupt exit it
can be set when the interrupt did not result in a scheduling event and
therefore the return path did not invoke the TIF work handling, which would
have clea... | ```diff
diff --git a/include/linux/irq-entry-common.h b/include/linux/irq-entry-common.h
index 5ea61722bb70..bc5d178e0b91 100644
--- a/include/linux/irq-entry-common.h
+++ b/include/linux/irq-entry-common.h
@@ -240,7 +240,7 @@ static __always_inline void __exit_to_user_mode_validate(void)
static __always_inline void e... |
0f085b41880e3140efa6941ff2b8fd43bac4d659 | Analyze and fix the following issue in the Linux kernel code: rseq: Provide and use rseq_set_ids() | Problem Details:
Provide a new and straight forward implementation to set the IDs (CPU ID,
Node ID and MM CID), which can be later inlined into the fast path.
It does all operations in one scoped_user_rw_access() section and retrieves
also the critical section member (rseq::cs_rseq) from user space to avoid
another us... | ```diff
diff --git a/fs/binfmt_elf.c b/fs/binfmt_elf.c
index e4653bb99946..3eb734c192e9 100644
--- a/fs/binfmt_elf.c
+++ b/fs/binfmt_elf.c
@@ -46,7 +46,7 @@
#include <linux/cred.h>
#include <linux/dax.h>
#include <linux/uaccess.h>
-#include <linux/rseq.h>
+#include <uapi/linux/rseq.h>
#include <asm/param.h>
#inclu... |
eaa9088d568c84afd72fa32dbe01833aef861d0d | Analyze and fix the following issue in the Linux kernel code: rseq: Use static branch for syscall exit debug when GENERIC_IRQ_ENTRY=y | Problem Details:
Make the syscall exit debug mechanism available via the static branch on
architectures which utilize the generic entry code.
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Reviewed-by: Mathi... | ```diff
diff --git a/include/linux/entry-common.h b/include/linux/entry-common.h
index 75b194c34e18..d967184ae08f 100644
--- a/include/linux/entry-common.h
+++ b/include/linux/entry-common.h
@@ -146,7 +146,7 @@ static __always_inline void syscall_exit_to_user_mode_work(struct pt_regs *regs)
local_irq_enable();
}
... |
c1cbad8f99b5c73c6af6e96acbfa64eaaaeb085f | Analyze and fix the following issue in the Linux kernel code: rseq: Make exit debugging static branch based | Problem Details:
Disconnect it from the config switch and use the static debug branch. This
is a temporary measure for validating the rework. At the end this check
needs to be hidden behind lockdep as it has nothing to do with the other
debug infrastructure, which mainly aids user space debugging by enabling a
zoo of c... | ```diff
diff --git a/include/linux/rseq_entry.h b/include/linux/rseq_entry.h
index f9510ce72211..5bdcf5b5f595 100644
--- a/include/linux/rseq_entry.h
+++ b/include/linux/rseq_entry.h
@@ -285,7 +285,7 @@ static __always_inline void rseq_exit_to_user_mode(void)
rseq_stat_inc(rseq_stats.exit);
- if (IS_ENABLED(CONFI... |
f7ee1964ac397bee5c6d1c017557c0eec8856145 | Analyze and fix the following issue in the Linux kernel code: rseq: Replace the original debug implementation | Problem Details:
Just utilize the new infrastructure and put the original one to rest.
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Reviewed-by: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
Link: htt... | ```diff
diff --git a/kernel/rseq.c b/kernel/rseq.c
index 12a9b6ab2cef..abd6bfadbcc6 100644
--- a/kernel/rseq.c
+++ b/kernel/rseq.c
@@ -474,85 +474,28 @@ error:
}
#ifdef CONFIG_DEBUG_RSEQ
-/*
- * Unsigned comparison will be true when ip >= start_ip, and when
- * ip < start_ip + post_commit_offset.
- */
-static bool ... |
abc850e7616c91ebaa3f5ba3617ab0a104d45039 | Analyze and fix the following issue in the Linux kernel code: rseq: Provide and use rseq_update_user_cs() | Problem Details:
Provide a straight forward implementation to check for and eventually
clear/fixup critical sections in user space.
The non-debug version does only the minimal sanity checks and aims for
efficiency.
There are two attack vectors, which are checked for:
1) An abort IP which is in the kernel address s... | ```diff
diff --git a/include/linux/rseq_entry.h b/include/linux/rseq_entry.h
index ed8e5f89499b..f9510ce72211 100644
--- a/include/linux/rseq_entry.h
+++ b/include/linux/rseq_entry.h
@@ -36,6 +36,7 @@ DECLARE_PER_CPU(struct rseq_stats, rseq_stats);
#ifdef CONFIG_RSEQ
#include <linux/jump_label.h>
#include <linux/rse... |
9c37cb6e80b8fcdddc1236ba42ffd438f511192b | Analyze and fix the following issue in the Linux kernel code: rseq: Provide static branch for runtime debugging | Problem Details:
Config based debug is rarely turned on and is not available easily when
things go wrong.
Provide a static branch to allow permanent integration of debug mechanisms
along with the usual toggles in Kconfig, command line and debugfs.
Requested-by: Peter Zijlstra <peterz@infradead.org>
Signed-off-by: Tho... | ```diff
diff --git a/Documentation/admin-guide/kernel-parameters.txt b/Documentation/admin-guide/kernel-parameters.txt
index 6c42061ca20e..e63827475792 100644
--- a/Documentation/admin-guide/kernel-parameters.txt
+++ b/Documentation/admin-guide/kernel-parameters.txt
@@ -6500,6 +6500,10 @@
Memory area to be used by ... |
faba9d250eaec7afa248bba71531a08ccc497aab | Analyze and fix the following issue in the Linux kernel code: rseq: Introduce struct rseq_data | Problem Details:
In preparation for a major rewrite of this code, provide a data structure
for rseq management.
Put all the rseq related data into it (except for the debug part), which
allows to simplify fork/execve by using memset() and memcpy() instead of
adding new fields to initialize over and over.
Create a stor... | ```diff
diff --git a/include/linux/rseq.h b/include/linux/rseq.h
index c6267f70c746..ab91b1e6bb4a 100644
--- a/include/linux/rseq.h
+++ b/include/linux/rseq.h
@@ -9,22 +9,22 @@ void __rseq_handle_notify_resume(struct ksignal *sig, struct pt_regs *regs);
static inline void rseq_handle_notify_resume(struct pt_regs *re... |
3ca59da7aa5c7f569b04a511dc8670861d58b509 | Analyze and fix the following issue in the Linux kernel code: rseq: Avoid pointless evaluation in __rseq_notify_resume() | Problem Details:
The RSEQ critical section mechanism only clears the event mask when a
critical section is registered, otherwise it is stale and collects
bits.
That means once a critical section is installed the first invocation of
that code when TIF_NOTIFY_RESUME is set will abort the critical section,
even when the ... | ```diff
diff --git a/include/linux/irq-entry-common.h b/include/linux/irq-entry-common.h
index d643c7c87822..e5941df13901 100644
--- a/include/linux/irq-entry-common.h
+++ b/include/linux/irq-entry-common.h
@@ -2,11 +2,12 @@
#ifndef __LINUX_IRQENTRYCOMMON_H
#define __LINUX_IRQENTRYCOMMON_H
+#include <linux/context_... |
5faa23cdab412ad2c65d18c30f78d6489ec7c9de | Analyze and fix the following issue in the Linux kernel code: perf metricgroup: Update comment on location of metric_event list | Problem Details:
Update comment as the stat_config no longer holds all metrics.
Signed-off-by: Ian Rogers <irogers@google.com>
Fixes: faebee18d720 ("perf stat: Move metric list from config to evlist")
Signed-off-by: Namhyung Kim <namhyung@kernel.org> | ```diff
diff --git a/tools/perf/util/metricgroup.h b/tools/perf/util/metricgroup.h
index 324880b2ed8f..4be6bfc13c46 100644
--- a/tools/perf/util/metricgroup.h
+++ b/tools/perf/util/metricgroup.h
@@ -16,7 +16,7 @@ struct cgroup;
/**
* A node in a rblist keyed by the evsel. The global rblist of metric events
- * gen... |
abcf6eef90c6e47efed62a7c233ffc1a6a90797e | Analyze and fix the following issue in the Linux kernel code: net: phy: introduce internal API for PHY MSE diagnostics | Problem Details:
Add the base infrastructure for Mean Square Error (MSE) diagnostics,
as proposed by the OPEN Alliance "Advanced diagnostic features for
100BASE-T1 automotive Ethernet PHYs" [1] specification.
The OPEN Alliance spec defines only average MSE and average peak MSE
over a fixed number of symbols. However, ... | ```diff
diff --git a/include/linux/phy.h b/include/linux/phy.h
index 358dd6f0ff96..e3474f03cbc1 100644
--- a/include/linux/phy.h
+++ b/include/linux/phy.h
@@ -903,6 +903,165 @@ struct phy_led {
#define to_phy_led(d) container_of(d, struct phy_led, led_cdev)
+/*
+ * PHY_MSE_CAP_* - Bitmask flags for Mean Square Err... |
9f32bfec545c30aae5ee7c2908e4c471d671482d | Analyze and fix the following issue in the Linux kernel code: selftests/bpf: Add test for conditional jumps on same scalar register | Problem Details:
Add test cases to verify the correctness of the BPF verifier's branch analysis
when conditional jumps are performed on the same scalar register. And make sure
that JGT does not trigger verifier BUG.
Signed-off-by: KaFai Wan <kafai.wan@linux.dev>
Acked-by: Eduard Zingerman <eddyz87@gmail.com>
Link: htt... | ```diff
diff --git a/tools/testing/selftests/bpf/progs/verifier_bounds.c b/tools/testing/selftests/bpf/progs/verifier_bounds.c
index 0a72e0228ea9..411a18437d7e 100644
--- a/tools/testing/selftests/bpf/progs/verifier_bounds.c
+++ b/tools/testing/selftests/bpf/progs/verifier_bounds.c
@@ -1709,4 +1709,158 @@ __naked void ... |
d43ad9da8052eda714caa38f243adbf32a8614cb | Analyze and fix the following issue in the Linux kernel code: bpf: Skip bounds adjustment for conditional jumps on same scalar register | Problem Details:
When conditional jumps are performed on the same scalar register
(e.g., r0 <= r0, r0 > r0, r0 < r0), the BPF verifier incorrectly
attempts to adjust the register's min/max bounds. This leads to
invalid range bounds and triggers a BUG warning.
The problematic BPF program:
0: call bpf_get_prandom_u32... | ```diff
diff --git a/kernel/bpf/verifier.c b/kernel/bpf/verifier.c
index 542e23fb19c7..e4928846e763 100644
--- a/kernel/bpf/verifier.c
+++ b/kernel/bpf/verifier.c
@@ -15993,6 +15993,30 @@ static int is_scalar_branch_taken(struct bpf_reg_state *reg1, struct bpf_reg_sta
s64 smin2 = is_jmp32 ? (s64)reg2->s32_min_value :... |
e120f46768d98151ece8756ebd688b0e43dc8b29 | Analyze and fix the following issue in the Linux kernel code: net: usb: qmi_wwan: initialize MAC header offset in qmimux_rx_fixup | Problem Details:
Raw IP packets have no MAC header, leaving skb->mac_header uninitialized.
This can trigger kernel panics on ARM64 when xfrm or other subsystems
access the offset due to strict alignment checks.
Initialize the MAC header to prevent such crashes.
This can trigger kernel panics on ARM when running IPsec... | ```diff
diff --git a/drivers/net/usb/qmi_wwan.c b/drivers/net/usb/qmi_wwan.c
index 11352d85475a..3a4985b582cb 100644
--- a/drivers/net/usb/qmi_wwan.c
+++ b/drivers/net/usb/qmi_wwan.c
@@ -192,6 +192,12 @@ static int qmimux_rx_fixup(struct usbnet *dev, struct sk_buff *skb)
if (!skbn)
return 0;
+ /* Raw IP... |
6bc2711085a52bd4d8da0173b22b8d4d532c5d21 | Analyze and fix the following issue in the Linux kernel code: wifi: rtw89: 8852c: Accept USB devices and load their MAC address | Problem Details:
Make rtw8852c_read_efuse() accept USB devices and load the MAC
address from the correct offset.
Also fix the offset of the MAC address because it was wrong.
Signed-off-by: Bitterblue Smith <rtl8821cerfe2@gmail.com>
Acked-by: Ping-Ke Shih <pkshih@realtek.com>
Signed-off-by: Ping-Ke Shih <pkshih@realte... | ```diff
diff --git a/drivers/net/wireless/realtek/rtw89/rtw8852c.c b/drivers/net/wireless/realtek/rtw89/rtw8852c.c
index 10e3963b692c..8550ae3bcb64 100644
--- a/drivers/net/wireless/realtek/rtw89/rtw8852c.c
+++ b/drivers/net/wireless/realtek/rtw89/rtw8852c.c
@@ -480,14 +480,6 @@ static int rtw8852c_pwr_off_func(struct ... |
97259766b18e2a22f2d5258d4ae151260e9165b0 | Analyze and fix the following issue in the Linux kernel code: wifi: rtw89: 8852c: Fix rtw8852c_pwr_{on,off}_func() for USB | Problem Details:
There are a few differences in the power on/off functions between PCIE
and USB. The changes in the power off function in particular are needed
for the RTL8832CU to be able to power on again after it's powered off.
While the RTL8832CU appears to work without the changes in the power on
function, it's p... | ```diff
diff --git a/drivers/net/wireless/realtek/rtw89/rtw8852c.c b/drivers/net/wireless/realtek/rtw89/rtw8852c.c
index ee1915307376..6aedbd03e3d4 100644
--- a/drivers/net/wireless/realtek/rtw89/rtw8852c.c
+++ b/drivers/net/wireless/realtek/rtw89/rtw8852c.c
@@ -214,7 +214,8 @@ static int rtw8852c_pwr_on_func(struct rt... |
32e0381e86031d0289b98e82a7a872ed1698676d | Analyze and fix the following issue in the Linux kernel code: wifi: rtw89: Fix rtw89_mac_dmac_func_pre_en_ax() for USB/SDIO | Problem Details:
Set the DMA mode according to the interface type.
Signed-off-by: Bitterblue Smith <rtl8821cerfe2@gmail.com>
Acked-by: Ping-Ke Shih <pkshih@realtek.com>
Signed-off-by: Ping-Ke Shih <pkshih@realtek.com>
Link: https://patch.msgid.link/d2250e72-0aa1-422c-8f7f-9aeb283ca376@gmail.com | ```diff
diff --git a/drivers/net/wireless/realtek/rtw89/mac.c b/drivers/net/wireless/realtek/rtw89/mac.c
index df040b4e8855..b5309ae3fd57 100644
--- a/drivers/net/wireless/realtek/rtw89/mac.c
+++ b/drivers/net/wireless/realtek/rtw89/mac.c
@@ -3984,8 +3984,15 @@ static void rtw89_mac_dmac_func_pre_en_ax(struct rtw89_dev... |
5556f23478e6eb5d6a0321d4135e2c37a3c78a1e | Analyze and fix the following issue in the Linux kernel code: net: spacemit: Check netif_running() in emac_set_pauseparam() | Problem Details:
Currently, emac_set_pauseparam() will oops if userspace calls it while
the interface is not up, because phydev is NULL, but it is still
accessed in emac_set_fc() and emac_set_fc_autoneg().
Check for netif_running(dev) in emac_set_pauseparam() before proceeding.
Fixes: bfec6d7f2001 ("net: spacemit: Ad... | ```diff
diff --git a/drivers/net/ethernet/spacemit/k1_emac.c b/drivers/net/ethernet/spacemit/k1_emac.c
index e1c5faff3b71..220eb5ce7583 100644
--- a/drivers/net/ethernet/spacemit/k1_emac.c
+++ b/drivers/net/ethernet/spacemit/k1_emac.c
@@ -1441,6 +1441,9 @@ static int emac_set_pauseparam(struct net_device *dev,
struct... |
2e25935ed24daee37c4c2e8e29e478ce6e1f72c7 | Analyze and fix the following issue in the Linux kernel code: octeontx2-pf: Fix devm_kcalloc() error checking | Problem Details:
The devm_kcalloc() function never return error pointers, it returns NULL
on failure. Also delete the netdev_err() printk. These allocation
functions already have debug output built-in some the extra error message
is not required.
Fixes: efabce290151 ("octeontx2-pf: AF_XDP zero copy receive support")... | ```diff
diff --git a/drivers/net/ethernet/marvell/octeontx2/nic/otx2_common.c b/drivers/net/ethernet/marvell/octeontx2/nic/otx2_common.c
index aff17c37ddde..902d6abaa3ec 100644
--- a/drivers/net/ethernet/marvell/octeontx2/nic/otx2_common.c
+++ b/drivers/net/ethernet/marvell/octeontx2/nic/otx2_common.c
@@ -1516,10 +1516... |
3e9a18e1c3e931abecf501cbb23d28d69f85bb56 | Analyze and fix the following issue in the Linux kernel code: ftrace: bpf: Fix IPMODIFY + DIRECT in modify_ftrace_direct() | Problem Details:
ftrace_hash_ipmodify_enable() checks IPMODIFY and DIRECT ftrace_ops on
the same kernel function. When needed, ftrace_hash_ipmodify_enable()
calls ops->ops_func() to prepare the direct ftrace (BPF trampoline) to
share the same function as the IPMODIFY ftrace (livepatch).
ftrace_hash_ipmodify_enable() i... | ```diff
diff --git a/kernel/trace/ftrace.c b/kernel/trace/ftrace.c
index cbeb7e833131..59cfacb8a5bb 100644
--- a/kernel/trace/ftrace.c
+++ b/kernel/trace/ftrace.c
@@ -1971,7 +1971,8 @@ static void ftrace_hash_rec_enable_modify(struct ftrace_ops *ops)
*/
static int __ftrace_hash_update_ipmodify(struct ftrace_ops *ops... |
56b3c85e153b84f27e6cff39623ba40a1ad299d3 | Analyze and fix the following issue in the Linux kernel code: ftrace: Fix BPF fexit with livepatch | Problem Details:
When livepatch is attached to the same function as bpf trampoline with
a fexit program, bpf trampoline code calls register_ftrace_direct()
twice. The first time will fail with -EAGAIN, and the second time it
will succeed. This requires register_ftrace_direct() to unregister
the address on the first att... | ```diff
diff --git a/kernel/bpf/trampoline.c b/kernel/bpf/trampoline.c
index 5949095e51c3..f2cb0b097093 100644
--- a/kernel/bpf/trampoline.c
+++ b/kernel/bpf/trampoline.c
@@ -479,11 +479,6 @@ again:
* BPF_TRAMP_F_SHARE_IPMODIFY is set, we can generate the
* trampoline again, and retry register.
*/
- /* res... |
de0337d641bfa5b6d6b489e479792f1039274e84 | Analyze and fix the following issue in the Linux kernel code: net: ionic: map SKB after pseudo-header checksum prep | Problem Details:
The TSO path called ionic_tx_map_skb() before preparing the TCP pseudo
checksum (ionic_tx_tcp_[inner_]pseudo_csum()), which may perform
skb_cow_head() and might modifies bytes in the linear header area.
Mapping first and then mutating the header risks:
- Using a stale DMA address if skb_cow_head() r... | ```diff
diff --git a/drivers/net/ethernet/pensando/ionic/ionic_txrx.c b/drivers/net/ethernet/pensando/ionic/ionic_txrx.c
index 2e571d0a0d8a..301ebee2fdc5 100644
--- a/drivers/net/ethernet/pensando/ionic/ionic_txrx.c
+++ b/drivers/net/ethernet/pensando/ionic/ionic_txrx.c
@@ -1448,19 +1448,6 @@ static int ionic_tx_tso(st... |
d261f5b09c28850dc63ca1d3018596f829f402d5 | Analyze and fix the following issue in the Linux kernel code: net: ionic: add dma_wmb() before ringing TX doorbell | Problem Details:
The TX path currently writes descriptors and then immediately writes to
the MMIO doorbell register to notify the NIC. On weakly ordered
architectures, descriptor writes may still be pending in CPU or DMA
write buffers when the doorbell is issued, leading to the device
fetching stale or incomplete desc... | ```diff
diff --git a/drivers/net/ethernet/pensando/ionic/ionic_txrx.c b/drivers/net/ethernet/pensando/ionic/ionic_txrx.c
index d10b58ebf603..2e571d0a0d8a 100644
--- a/drivers/net/ethernet/pensando/ionic/ionic_txrx.c
+++ b/drivers/net/ethernet/pensando/ionic/ionic_txrx.c
@@ -29,6 +29,10 @@ static void ionic_tx_clean(str... |
f1fc201148c7e684c10a72b6a3375597f28d1ef6 | Analyze and fix the following issue in the Linux kernel code: sctp: Hold sock lock while iterating over address list | Problem Details:
Move address list traversal in inet_assoc_attr_size() under the sock
lock to avoid holding the RCU read lock.
Suggested-by: Xin Long <lucien.xin@gmail.com>
Fixes: 8f840e47f190 ("sctp: add the sctp_diag.c file")
Signed-off-by: Stefan Wiehler <stefan.wiehler@nokia.com>
Acked-by: Xin Long <lucien.xin@gma... | ```diff
diff --git a/net/sctp/diag.c b/net/sctp/diag.c
index 5d64dd99ca9a..2afb376299fe 100644
--- a/net/sctp/diag.c
+++ b/net/sctp/diag.c
@@ -230,14 +230,15 @@ struct sctp_comm_param {
bool net_admin;
};
-static size_t inet_assoc_attr_size(struct sctp_association *asoc)
+static size_t inet_assoc_attr_size(struct ... |
95aef86ab231f047bb8085c70666059b58f53c09 | Analyze and fix the following issue in the Linux kernel code: sctp: Prevent TOCTOU out-of-bounds write | Problem Details:
For the following path not holding the sock lock,
sctp_diag_dump() -> sctp_for_each_endpoint() -> sctp_ep_dump()
make sure not to exceed bounds in case the address list has grown
between buffer allocation (time-of-check) and write (time-of-use).
Suggested-by: Kuniyuki Iwashima <kuniyu@google.com>
... | ```diff
diff --git a/net/sctp/diag.c b/net/sctp/diag.c
index 1a8761f87bf1..5d64dd99ca9a 100644
--- a/net/sctp/diag.c
+++ b/net/sctp/diag.c
@@ -88,6 +88,9 @@ static int inet_diag_msg_sctpladdrs_fill(struct sk_buff *skb,
memcpy(info, &laddr->a, sizeof(laddr->a));
memset(info + sizeof(laddr->a), 0, addrlen - sizeof(... |
38f50242bf0f237cdc262308d624d333286ec3c5 | Analyze and fix the following issue in the Linux kernel code: sctp: Hold RCU read lock while iterating over address list | Problem Details:
With CONFIG_PROVE_RCU_LIST=y and by executing
$ netcat -l --sctp &
$ netcat --sctp localhost &
$ ss --sctp
one can trigger the following Lockdep-RCU splat(s):
WARNING: suspicious RCU usage
6.18.0-rc1-00093-g7f864458e9a6 #5 Not tainted
-----------------------------
net/sctp/diag.c:76 RC... | ```diff
diff --git a/net/sctp/diag.c b/net/sctp/diag.c
index 996c2018f0e6..1a8761f87bf1 100644
--- a/net/sctp/diag.c
+++ b/net/sctp/diag.c
@@ -73,19 +73,23 @@ static int inet_diag_msg_sctpladdrs_fill(struct sk_buff *skb,
struct nlattr *attr;
void *info = NULL;
+ rcu_read_lock();
list_for_each_entry_rcu(laddr, a... |
69b8bbde238a1503ac45998a911ea56ddb7610cf | Analyze and fix the following issue in the Linux kernel code: arm64: dts: qcom: sdm845-oneplus: Update compatbible and add DDIC supplies | Problem Details:
Update the compatible to reflect combination of DDIC and panel.
Original compatible describing only the DDIC used, but omit describing
the panel used (Samsung AMS641RW), which we have no way to detect.
There are two additional supplies used by the panel, both are GPIO
controlled and are left enabled ... | ```diff
diff --git a/arch/arm64/boot/dts/qcom/sdm845-oneplus-common.dtsi b/arch/arm64/boot/dts/qcom/sdm845-oneplus-common.dtsi
index fd7fdc1f0749..d619b710c63f 100644
--- a/arch/arm64/boot/dts/qcom/sdm845-oneplus-common.dtsi
+++ b/arch/arm64/boot/dts/qcom/sdm845-oneplus-common.dtsi
@@ -150,6 +150,34 @@
enable-active... |
65bd9a262644b67490dddd93a2b842ac94ccbe36 | Analyze and fix the following issue in the Linux kernel code: net: phy: micrel: lan8842 errata | Problem Details:
Add errata for lan8842. The errata document can be found here [1].
This is fixing the module 7 ("1000BASE-T PMA EEE TX wake timer is
non-compliant")
[1] https://ww1.microchip.com/downloads/aemDocuments/documents/UNG/ProductDocuments/Errata/LAN8842-Errata-DS80001172.pdf
Fixes: 5a774b64cd6a ("net: phy:... | ```diff
diff --git a/drivers/net/phy/micrel.c b/drivers/net/phy/micrel.c
index 1fa56d4c1793..6a1a424e3b30 100644
--- a/drivers/net/phy/micrel.c
+++ b/drivers/net/phy/micrel.c
@@ -5965,6 +5965,9 @@ static int lan8842_probe(struct phy_device *phydev)
#define LAN8814_POWER_MGMT_VAL5 LAN8814_POWER_MGMT_B_C_D
+#define... |
c8732e933925e188cbb1d9bc3a5e1ae9affe6869 | Analyze and fix the following issue in the Linux kernel code: net: phy: micrel: lan8842 errata | Problem Details:
Add errata for lan8842. The errata document can be found here [1].
This is fixing the module 2 ("Analog front-end not optimized for
PHY-side shorted center taps").
[1] https://ww1.microchip.com/downloads/aemDocuments/documents/UNG/ProductDocuments/Errata/LAN8842-Errata-DS80001172.pdf
Fixes: 5a774b64c... | ```diff
diff --git a/drivers/net/phy/micrel.c b/drivers/net/phy/micrel.c
index 604b5de0c158..1fa56d4c1793 100644
--- a/drivers/net/phy/micrel.c
+++ b/drivers/net/phy/micrel.c
@@ -466,6 +466,12 @@ struct lan8842_priv {
u16 rev;
};
+struct lanphy_reg_data {
+ int page;
+ u16 addr;
+ u16 val;
+};
+
static const stru... |
22795871edea35dfaf63011782ea77a3f440a655 | Analyze and fix the following issue in the Linux kernel code: net: dsa: yt921x: Fix spelling mistake "stucked" -> "stuck" | Problem Details:
There is a spelling mistake in a dev_err message. Fix it.
Signed-off-by: Colin Ian King <colin.i.king@gmail.com>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Link: https://patch.msgid.link/20251101183446.32134-1-colin.i.king@gmail.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org> | ```diff
diff --git a/drivers/net/dsa/yt921x.c b/drivers/net/dsa/yt921x.c
index ab762ffc4661..944988e29127 100644
--- a/drivers/net/dsa/yt921x.c
+++ b/drivers/net/dsa/yt921x.c
@@ -1131,7 +1131,7 @@ static int yt921x_fdb_wait(struct yt921x_priv *priv, u32 *valp)
res = yt921x_reg_wait(priv, YT921X_FDB_RESULT, YT921X_FDB... |
e57723fe536f040cc2635ec1545dd0a7919a321e | Analyze and fix the following issue in the Linux kernel code: net: dsa: b53: properly bound ARL searches for < 4 ARL bin chips | Problem Details:
When iterating over the ARL table we stop at max ARL entries / 2, but
this is only valid if the chip actually returns 2 results at once. For
chips with only one result register we will stop before reaching the end
of the table if it is more than half full.
Fix this by only dividing the maximum results... | ```diff
diff --git a/drivers/net/dsa/b53/b53_common.c b/drivers/net/dsa/b53/b53_common.c
index b467500699c7..eb767edc4c13 100644
--- a/drivers/net/dsa/b53/b53_common.c
+++ b/drivers/net/dsa/b53/b53_common.c
@@ -2087,13 +2087,16 @@ static int b53_fdb_copy(int port, const struct b53_arl_entry *ent,
int b53_fdb_dump(stru... |
0be04b5fa62a82a9929ca261f6c9f64a3d0a28da | Analyze and fix the following issue in the Linux kernel code: net: dsa: b53: stop reading ARL entries if search is done | Problem Details:
The switch clears the ARL_SRCH_STDN bit when the search is done, i.e. it
finished traversing the ARL table.
This means that there will be no valid result, so we should not attempt
to read and process any further entries.
We only ever check the validity of the entries for 4 ARL bin chips, and
only aft... | ```diff
diff --git a/drivers/net/dsa/b53/b53_common.c b/drivers/net/dsa/b53/b53_common.c
index 58c31049c0e7..b467500699c7 100644
--- a/drivers/net/dsa/b53/b53_common.c
+++ b/drivers/net/dsa/b53/b53_common.c
@@ -2037,7 +2037,7 @@ static int b53_arl_search_wait(struct b53_device *dev)
do {
b53_read8(dev, B53_ARLIO_P... |
c264294624e956a967a9e2e5fa41e3273340b089 | Analyze and fix the following issue in the Linux kernel code: net: dsa: b53: fix enabling ip multicast | Problem Details:
In the New Control register bit 1 is either reserved, or has a different
function:
Out of Range Error Discard
When enabled, the ingress port discards any frames
if the Length field is between 1500 and 1536
(excluding 1500 and 1536) and with good CRC.
The actual bit for enabling IP mu... | ```diff
diff --git a/drivers/net/dsa/b53/b53_common.c b/drivers/net/dsa/b53/b53_common.c
index bb2c6dfa7835..58c31049c0e7 100644
--- a/drivers/net/dsa/b53/b53_common.c
+++ b/drivers/net/dsa/b53/b53_common.c
@@ -371,11 +371,11 @@ static void b53_set_forwarding(struct b53_device *dev, int enable)
* frames should be f... |
3e4ebdc1606adf77744cf8ed7a433d279fdc57ba | Analyze and fix the following issue in the Linux kernel code: net: dsa: b53: fix bcm63xx RGMII port link adjustment | Problem Details:
BCM63XX's switch does not support MDIO scanning of external phys, so its
MACs needs to be manually configured for autonegotiated link speeds.
So b53_force_port_config() and b53_force_link() accordingly also when
mode is MLO_AN_PHY for those ports.
Fixes lower speeds than 1000/full on rgmii ports 4 - ... | ```diff
diff --git a/drivers/net/dsa/b53/b53_common.c b/drivers/net/dsa/b53/b53_common.c
index cb28256ef3cc..bb2c6dfa7835 100644
--- a/drivers/net/dsa/b53/b53_common.c
+++ b/drivers/net/dsa/b53/b53_common.c
@@ -1602,8 +1602,11 @@ static void b53_phylink_mac_link_down(struct phylink_config *config,
struct b53_device *... |
b6a8a5477fe9bd6be2b594a88f82f8bba41e6d54 | Analyze and fix the following issue in the Linux kernel code: net: dsa: b53: fix resetting speed and pause on forced link | Problem Details:
There is no guarantee that the port state override registers have their
default values, as not all switches support being reset via register or
have a reset GPIO.
So when forcing port config, we need to make sure to clear all fields,
which we currently do not do for the speed and flow control
configur... | ```diff
diff --git a/drivers/net/dsa/b53/b53_common.c b/drivers/net/dsa/b53/b53_common.c
index 2f846381d5a7..cb28256ef3cc 100644
--- a/drivers/net/dsa/b53/b53_common.c
+++ b/drivers/net/dsa/b53/b53_common.c
@@ -1372,6 +1372,10 @@ static void b53_force_port_config(struct b53_device *dev, int port,
else
reg &= ~PORT... |
acbf1d0a9aeb1035e74c3750a6b31db0b7b69ed4 | Analyze and fix the following issue in the Linux kernel code: hinic3: fix misleading error message in hinic3_open_channel() | Problem Details:
The error message printed when hinic3_configure() fails incorrectly
reports "Failed to init txrxq irq", which does not match the actual
operation performed. The hinic3_configure() function sets up various
device resources such as MTU and RSS parameters , not IRQ initialization.
Update the log to "Fail... | ```diff
diff --git a/drivers/net/ethernet/huawei/hinic3/hinic3_netdev_ops.c b/drivers/net/ethernet/huawei/hinic3/hinic3_netdev_ops.c
index 0fa3c7900225..bbf22811a029 100644
--- a/drivers/net/ethernet/huawei/hinic3/hinic3_netdev_ops.c
+++ b/drivers/net/ethernet/huawei/hinic3/hinic3_netdev_ops.c
@@ -304,7 +304,7 @@ stati... |
b2b526c2cf57d14ee269e012ed179081871f45a1 | Analyze and fix the following issue in the Linux kernel code: net: mdio: Check regmap pointer returned by device_node_to_regmap() | Problem Details:
The call to device_node_to_regmap() in airoha_mdio_probe() can return
an ERR_PTR() if regmap initialization fails. Currently, the driver
stores the pointer without validation, which could lead to a crash
if it is later dereferenced.
Add an IS_ERR() check and return the corresponding error code to make... | ```diff
diff --git a/drivers/net/mdio/mdio-airoha.c b/drivers/net/mdio/mdio-airoha.c
index 1dc9939c8d7d..52e7475121ea 100644
--- a/drivers/net/mdio/mdio-airoha.c
+++ b/drivers/net/mdio/mdio-airoha.c
@@ -219,6 +219,8 @@ static int airoha_mdio_probe(struct platform_device *pdev)
priv = bus->priv;
priv->base_addr = ad... |
72a63169bf1100a64affde275ba90d7607f872c6 | Analyze and fix the following issue in the Linux kernel code: arm64: dts: qcom: qcs6490-rb3gen2: Rename vph-pwr regulator node | Problem Details:
When fixed regulators are not named with "regulator-" prefix, they can
not be neatly grouped and sorted together.
Rename the vph-pwr-regulator, to facilitate the incoming addition of
additional fixed regulators.
Signed-off-by: Bjorn Andersson <bjorn.andersson@oss.qualcomm.com>
Reviewed-by: Dmitry Bar... | ```diff
diff --git a/arch/arm64/boot/dts/qcom/qcs6490-rb3gen2.dts b/arch/arm64/boot/dts/qcom/qcs6490-rb3gen2.dts
index a36961d55e41..f29a352b0288 100644
--- a/arch/arm64/boot/dts/qcom/qcs6490-rb3gen2.dts
+++ b/arch/arm64/boot/dts/qcom/qcs6490-rb3gen2.dts
@@ -217,6 +217,13 @@
};
};
+ vph_pwr: regulator-vph-pwr {
... |
fde40a558dbd4945bba03cd7f425feab4c92e1d1 | Analyze and fix the following issue in the Linux kernel code: rust: usb: fix broken call to T::disconnect() | Problem Details:
A refactoring of Device::drvdata_obtain() broke T::disconnect() in the
USB abstractions.
"""
error[E0599]: no method named `data` found for struct `core::pin::Pin<kbox::Box<T, Kmalloc>>` in the current scope
--> rust/kernel/usb.rs:92:34
|
92 | T::disconnect(intf, data.data());
| ... | ```diff
diff --git a/rust/kernel/usb.rs b/rust/kernel/usb.rs
index 92215fdc3c6a..534e3ded5442 100644
--- a/rust/kernel/usb.rs
+++ b/rust/kernel/usb.rs
@@ -89,7 +89,7 @@ impl<T: Driver + 'static> Adapter<T> {
// and stored a `Pin<KBox<T>>`.
let data = unsafe { dev.drvdata_obtain::<T>() };
- T:... |
2c62e2e874d151d56842fbfd29c3ffaf4e83dba4 | Analyze and fix the following issue in the Linux kernel code: coding-style: fix verb typo | Problem Details:
In the Identation section there is a list of instructions in
second-person. The offending line uses third-person singular.
Signed-off-by: Gabriele Ricciardi <gricciardi-coding@pm.me>
Acked-by: Randy Dunlap <rdunlap@infradead.org>
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
Message-ID: <20251101223... | ```diff
diff --git a/Documentation/process/coding-style.rst b/Documentation/process/coding-style.rst
index d1a8e5465ed9..2969ca378dbb 100644
--- a/Documentation/process/coding-style.rst
+++ b/Documentation/process/coding-style.rst
@@ -76,7 +76,7 @@ Don't use commas to avoid using braces:
if (condition)
do_this(), ... |
fad472efab0a805dd939f017c5b8669a786a4bcf | Analyze and fix the following issue in the Linux kernel code: rust: kbuild: workaround `rustdoc` doctests modifier bug | Problem Details:
The `rustdoc` modifiers bug [1] was fixed in Rust 1.90.0 [2], for which
we added a workaround in commit abbf9a449441 ("rust: workaround `rustdoc`
target modifiers bug").
However, `rustdoc`'s doctest generation still has a similar issue [3],
being fixed at [4], which does not affect us because we apply... | ```diff
diff --git a/rust/Makefile b/rust/Makefile
index a9fb9354b659..3e545c1a0ff4 100644
--- a/rust/Makefile
+++ b/rust/Makefile
@@ -69,6 +69,9 @@ core-edition := $(if $(call rustc-min-version,108700),2024,2021)
# the time being (https://github.com/rust-lang/rust/issues/144521).
rustdoc_modifiers_workaround := $(if... |
f59b701b4674f7955170b54c4167c5590f4714eb | Analyze and fix the following issue in the Linux kernel code: tools/testing/nvdimm: Use per-DIMM device handle | Problem Details:
KASAN reports a global-out-of-bounds access when running these nfit
tests: clear.sh, pmem-errors.sh, pfn-meta-errors.sh, btt-errors.sh,
daxdev-errors.sh, and inject-error.sh.
[] BUG: KASAN: global-out-of-bounds in nfit_test_ctl+0x769f/0x7840 [nfit_test]
[] Read of size 4 at addr ffffffffc03ea01c by ta... | ```diff
diff --git a/tools/testing/nvdimm/test/nfit.c b/tools/testing/nvdimm/test/nfit.c
index cfd4378e2129..f87e9f251d13 100644
--- a/tools/testing/nvdimm/test/nfit.c
+++ b/tools/testing/nvdimm/test/nfit.c
@@ -670,6 +670,7 @@ static int nfit_test_search_spa(struct nvdimm_bus *bus,
.addr = spa->spa,
.region = NUL... |
7900aa699c34401cf5d0c701d9ef72880ddc1a83 | Analyze and fix the following issue in the Linux kernel code: sched_ext: Fix cgroup exit ordering by moving sched_ext_free() to finish_task_switch() | Problem Details:
sched_ext_free() was called from __put_task_struct() when the last reference
to the task is dropped, which could be long after the task has finished
running. This causes cgroup-related problems:
- ops.init_task() can be called on a cgroup which didn't get ops.cgroup_init()'d
during scheduler load, b... | ```diff
diff --git a/include/linux/sched/ext.h b/include/linux/sched/ext.h
index 4713f374acc0..eb776b094d36 100644
--- a/include/linux/sched/ext.h
+++ b/include/linux/sched/ext.h
@@ -208,14 +208,14 @@ struct sched_ext_entity {
struct list_head tasks_node;
};
-void sched_ext_free(struct task_struct *p);
+void sched... |
260fbcb92bbeacfcd050410fdc2d24ab15044400 | Analyze and fix the following issue in the Linux kernel code: cgroup: Move dying_tasks cleanup from cgroup_task_release() to cgroup_task_free() | Problem Details:
Currently, cgroup_task_exit() adds thread group leaders with live member
threads to their css_set's dying_tasks list (so cgroup.procs iteration can
still see the leader), and cgroup_task_release() later removes them with
list_del_init(&task->cg_list).
An upcoming patch will defer the dying_tasks list ... | ```diff
diff --git a/kernel/cgroup/cgroup.c b/kernel/cgroup/cgroup.c
index 826b7fd2f85d..b3c27900c5d2 100644
--- a/kernel/cgroup/cgroup.c
+++ b/kernel/cgroup/cgroup.c
@@ -7019,6 +7019,11 @@ void cgroup_task_release(struct task_struct *task)
do_each_subsys_mask(ss, ssid, have_release_callback) {
ss->release(task);
... |
83e0e12219a402bf7b8fdef067e51f945a92fd26 | Analyze and fix the following issue in the Linux kernel code: KVM: selftests: Rename "guest_paddr" variables to "gpa" | Problem Details:
Rename "guest_paddr" variables in vm_userspace_mem_region_add() and
vm_mem_add() to KVM's de facto standard "gpa", both for consistency and
to shorten line lengths.
Opportunistically fix the indentation of the
vm_userspace_mem_region_add() declaration.
Link: https://patch.msgid.link/20251007223625.36... | ```diff
diff --git a/tools/testing/selftests/kvm/include/kvm_util.h b/tools/testing/selftests/kvm/include/kvm_util.h
index af52cd938b50..c2481be61434 100644
--- a/tools/testing/selftests/kvm/include/kvm_util.h
+++ b/tools/testing/selftests/kvm/include/kvm_util.h
@@ -673,12 +673,12 @@ int __vm_set_user_memory_region2(st... |
b1f02f005a2e01287cdb627e1c03c3deb73c5163 | Analyze and fix the following issue in the Linux kernel code: Documentation: power: Add document on debugging shutdown hangs | Problem Details:
If the kernel hangs while shutting down, ideally a UART log should
be captured to debug the problem. However if one isn't available,
users can use the pstore functionality to retrieve logs.
Add a document explaining how this works to make it more accessible
to users.
Tested-by: Harry Wentland <harry... | ```diff
diff --git a/Documentation/power/index.rst b/Documentation/power/index.rst
index a0f5244fb427..ea70633d9ce6 100644
--- a/Documentation/power/index.rst
+++ b/Documentation/power/index.rst
@@ -19,6 +19,7 @@ Power Management
power_supply_class
runtime_pm
s2ram
+ shutdown-debugging
suspend-an... |
492671339114e376aaa38626d637a2751cdef263 | Analyze and fix the following issue in the Linux kernel code: drm/xe/guc: Synchronize Dead CT worker with unbind | Problem Details:
Cancel and wait for any Dead CT worker to complete before continuing
with device unbinding. Else the worker will end up using resources freed
by the undind operation.
Cc: Zhanjun Dong <zhanjun.dong@intel.com>
Fixes: d2c5a5a926f4 ("drm/xe/guc: Dead CT helper")
Signed-off-by: Balasubramani Vivekanandan ... | ```diff
diff --git a/drivers/gpu/drm/xe/xe_guc_ct.c b/drivers/gpu/drm/xe/xe_guc_ct.c
index e68953ef3a00..536433b061fc 100644
--- a/drivers/gpu/drm/xe/xe_guc_ct.c
+++ b/drivers/gpu/drm/xe/xe_guc_ct.c
@@ -199,6 +199,9 @@ static void guc_ct_fini(struct drm_device *drm, void *arg)
{
struct xe_guc_ct *ct = arg;
+#if IS... |
4ab25c92147663a7ce3187bd9075eeb2709a415b | Analyze and fix the following issue in the Linux kernel code: Documentation: intel-pstate: Use :ref: directive for internal linking | Problem Details:
intel_pstate docs uses standard reST construct (`Section title`_) for
cross-referencing sections (internal linking), rather than for external
links. Incorrect cross-references are not caught when these are written
in that syntax, however (fortunately docutils 0.22 raise duplicate
target warnings that g... | ```diff
diff --git a/Documentation/admin-guide/pm/intel_pstate.rst b/Documentation/admin-guide/pm/intel_pstate.rst
index 9cdd9dad6516..fde967b0c2e0 100644
--- a/Documentation/admin-guide/pm/intel_pstate.rst
+++ b/Documentation/admin-guide/pm/intel_pstate.rst
@@ -48,8 +48,9 @@ only way to pass early-configuration-time p... |
7f17ef0d47b9aa01b89a92b2514fbfe800d8aeca | Analyze and fix the following issue in the Linux kernel code: perf symbols: Handle '1' symbols in /proc/kallsyms | Problem Details:
I started seeing this in recent Fedora 42 kernels:
root@x1:~# uname -a
Linux x1 6.17.4-200.fc42.x86_64 #1 SMP PREEMPT_DYNAMIC Sun Oct 19 18:47:49 UTC 2025 x86_64 GNU/Linux
root@x1:~#
root@x1:~# perf test 1
1: vmlinux symtab matches kallsyms : FAILED!
root@x1:~#
Related to:
root@... | ```diff
diff --git a/tools/perf/util/symbol.c b/tools/perf/util/symbol.c
index cc26b7bf302b..948d3e8ad782 100644
--- a/tools/perf/util/symbol.c
+++ b/tools/perf/util/symbol.c
@@ -112,9 +112,13 @@ static bool symbol_type__filter(char __symbol_type)
// 'N' first seen in:
// ffffffff9b35d130 N __pfx__RNCINvNtNtNtCsbDU... |
414121190348edc3da26505fc1e6c7d8f2d75fae | Analyze and fix the following issue in the Linux kernel code: crypto: arm64/sha3 - Rename conflicting function | Problem Details:
Rename the arm64 sha3_update() function to have an "arm64_" prefix to
avoid a name conflict with the upcoming SHA-3 library.
Note: this code will be superseded later. This commit simply keeps the
kernel building for the initial introduction of the library.
[EB: dropped unnecessary rename of sha3_fin... | ```diff
diff --git a/arch/arm64/crypto/sha3-ce-glue.c b/arch/arm64/crypto/sha3-ce-glue.c
index b4f1001046c9..f5c830234933 100644
--- a/arch/arm64/crypto/sha3-ce-glue.c
+++ b/arch/arm64/crypto/sha3-ce-glue.c
@@ -31,8 +31,8 @@ MODULE_ALIAS_CRYPTO("sha3-512");
asmlinkage int sha3_ce_transform(u64 *st, const u8 *data, int... |
863ee5a3aa9111da80f87cda1f9d716055f4c11a | Analyze and fix the following issue in the Linux kernel code: crypto: s390/sha3 - Rename conflicting functions | Problem Details:
Rename the s390 sha3_*_init() functions to have an "s390_" prefix to
avoid a name conflict with the upcoming SHA-3 library functions.
Note: this code will be superseded later. This commit simply keeps the
kernel building for the initial introduction of the library.
[EB: dropped unnecessary rename of... | ```diff
diff --git a/arch/s390/crypto/sha3_256_s390.c b/arch/s390/crypto/sha3_256_s390.c
index 03bb4f4bab70..7415d56649a5 100644
--- a/arch/s390/crypto/sha3_256_s390.c
+++ b/arch/s390/crypto/sha3_256_s390.c
@@ -19,7 +19,7 @@
#include "sha.h"
-static int sha3_256_init(struct shash_desc *desc)
+static int s390_sha3_... |
6a0dddc53f6f04281b27254a7d940fb9bb2d5a3b | Analyze and fix the following issue in the Linux kernel code: i2c: muxes: pca954x: Fix broken reset-gpio usage | Problem Details:
Revert commit 690de2902dca ("i2c: muxes: pca954x: Use reset controller
only") and its dependent commit 94c296776403 ("i2c: muxes: pca954x:
Reset if (de)select fails") because the first breaks all users of the
driver, by requiring a completely optional reset-gpio driver. These
commits cause that mux dr... | ```diff
diff --git a/drivers/i2c/muxes/i2c-mux-pca954x.c b/drivers/i2c/muxes/i2c-mux-pca954x.c
index 75c8d08fa24e..b9f370c9f018 100644
--- a/drivers/i2c/muxes/i2c-mux-pca954x.c
+++ b/drivers/i2c/muxes/i2c-mux-pca954x.c
@@ -118,6 +118,7 @@ struct pca954x {
raw_spinlock_t lock;
struct regulator *supply;
+ struct gp... |
2cc1c01fe97703d9d694fa49b16fb3aab47b70a9 | Analyze and fix the following issue in the Linux kernel code: selftests/namespace: test listns() pagination | Problem Details:
Minimal test case to reproduce KASAN out-of-bounds in listns pagination.
Link: https://patch.msgid.link/20251029-work-namespace-nstree-listns-v4-72-2e6f823ebdc0@kernel.org
Reviewed-by: Jeff Layton <jlayton@kernel.org>
Signed-off-by: Christian Brauner <brauner@kernel.org> | ```diff
diff --git a/tools/testing/selftests/namespaces/.gitignore b/tools/testing/selftests/namespaces/.gitignore
index f6dcf769f150..f4d2209ca4e4 100644
--- a/tools/testing/selftests/namespaces/.gitignore
+++ b/tools/testing/selftests/namespaces/.gitignore
@@ -7,3 +7,4 @@ listns_permissions_test
siocgskns_test
cred... |
6de17ec3ccc1eab51601f1b37332cdb384a3a3c9 | Analyze and fix the following issue in the Linux kernel code: selftests/namespaces: eigth inactive namespace resurrection test | Problem Details:
Test IPv6 sockets also work with SIOCGSKNS.
Link: https://patch.msgid.link/20251029-work-namespace-nstree-listns-v4-62-2e6f823ebdc0@kernel.org
Tested-by: syzbot@syzkaller.appspotmail.com
Reviewed-by: Jeff Layton <jlayton@kernel.org>
Signed-off-by: Christian Brauner <brauner@kernel.org> | ```diff
diff --git a/tools/testing/selftests/namespaces/siocgskns_test.c b/tools/testing/selftests/namespaces/siocgskns_test.c
index 60028eeecde0..47c1524a8648 100644
--- a/tools/testing/selftests/namespaces/siocgskns_test.c
+++ b/tools/testing/selftests/namespaces/siocgskns_test.c
@@ -542,4 +542,38 @@ TEST(siocgskns_n... |
54a29d1233815287034b0b87f20e46dfe20da0e4 | Analyze and fix the following issue in the Linux kernel code: selftests/namespaces: seventh inactive namespace resurrection test | Problem Details:
Test socket keeps netns active after creating process exits. Verify that
as long as the socket FD exists, the namespace remains active.
Link: https://patch.msgid.link/20251029-work-namespace-nstree-listns-v4-61-2e6f823ebdc0@kernel.org
Tested-by: syzbot@syzkaller.appspotmail.com
Reviewed-by: Jeff Layto... | ```diff
diff --git a/tools/testing/selftests/namespaces/siocgskns_test.c b/tools/testing/selftests/namespaces/siocgskns_test.c
index 231830daf5dc..60028eeecde0 100644
--- a/tools/testing/selftests/namespaces/siocgskns_test.c
+++ b/tools/testing/selftests/namespaces/siocgskns_test.c
@@ -401,4 +401,145 @@ TEST(siocgskns_... |
aec2237695289cf0654e936e86acc8e898882850 | Analyze and fix the following issue in the Linux kernel code: selftests/namespaces: sixth inactive namespace resurrection test | Problem Details:
Test multiple sockets keep the same network namespace active. Create
multiple sockets, verify closing some doesn't affect others.
Link: https://patch.msgid.link/20251029-work-namespace-nstree-listns-v4-60-2e6f823ebdc0@kernel.org
Tested-by: syzbot@syzkaller.appspotmail.com
Reviewed-by: Jeff Layton <jla... | ```diff
diff --git a/tools/testing/selftests/namespaces/siocgskns_test.c b/tools/testing/selftests/namespaces/siocgskns_test.c
index bbfef3c51ac1..231830daf5dc 100644
--- a/tools/testing/selftests/namespaces/siocgskns_test.c
+++ b/tools/testing/selftests/namespaces/siocgskns_test.c
@@ -333,4 +333,72 @@ TEST(siocgskns_n... |
2b9fa5bf0c417c444d3c572dfe2138da7fdf11cd | Analyze and fix the following issue in the Linux kernel code: selftests/namespaces: fifth inactive namespace resurrection test | Problem Details:
Test SIOCGSKNS fails on non-socket file descriptors.
Link: https://patch.msgid.link/20251029-work-namespace-nstree-listns-v4-59-2e6f823ebdc0@kernel.org
Tested-by: syzbot@syzkaller.appspotmail.com
Reviewed-by: Jeff Layton <jlayton@kernel.org>
Signed-off-by: Christian Brauner <brauner@kernel.org> | ```diff
diff --git a/tools/testing/selftests/namespaces/siocgskns_test.c b/tools/testing/selftests/namespaces/siocgskns_test.c
index 28e45954c4fa..bbfef3c51ac1 100644
--- a/tools/testing/selftests/namespaces/siocgskns_test.c
+++ b/tools/testing/selftests/namespaces/siocgskns_test.c
@@ -307,4 +307,30 @@ TEST(siocgskns_a... |
40226da47124bdf454503f00a948585b7403c73a | Analyze and fix the following issue in the Linux kernel code: selftests/namespaces: fourth inactive namespace resurrection test | Problem Details:
Test SIOCGSKNS across setns. Create a socket in netns A, switch to netns
B, verify SIOCGSKNS still returns netns A.
Link: https://patch.msgid.link/20251029-work-namespace-nstree-listns-v4-58-2e6f823ebdc0@kernel.org
Tested-by: syzbot@syzkaller.appspotmail.com
Reviewed-by: Jeff Layton <jlayton@kernel.or... | ```diff
diff --git a/tools/testing/selftests/namespaces/siocgskns_test.c b/tools/testing/selftests/namespaces/siocgskns_test.c
index 02798e59fc11..28e45954c4fa 100644
--- a/tools/testing/selftests/namespaces/siocgskns_test.c
+++ b/tools/testing/selftests/namespaces/siocgskns_test.c
@@ -256,4 +256,55 @@ TEST(siocgskns_s... |
c0f06da56860f185268b77cb23c4b3c85518e87a | Analyze and fix the following issue in the Linux kernel code: selftests/namespaces: second inactive namespace resurrection test | Problem Details:
Test that socket file descriptors keep network namespaces active. Create
a network namespace, create a socket in it, then exit the namespace. The
namespace should remain active while the socket FD is held.
Link: https://patch.msgid.link/20251029-work-namespace-nstree-listns-v4-56-2e6f823ebdc0@kernel.o... | ```diff
diff --git a/tools/testing/selftests/namespaces/siocgskns_test.c b/tools/testing/selftests/namespaces/siocgskns_test.c
index 0c9098624cd4..0ad5e39b7e16 100644
--- a/tools/testing/selftests/namespaces/siocgskns_test.c
+++ b/tools/testing/selftests/namespaces/siocgskns_test.c
@@ -69,4 +69,130 @@ TEST(siocgskns_ba... |
a1e49d8d18ba0fc53f1a2d5453af32b6339b67cf | Analyze and fix the following issue in the Linux kernel code: selftests/namespaces: first inactive namespace resurrection test | Problem Details:
Test basic SIOCGSKNS functionality. Create a socket and verify SIOCGSKNS
returns the correct network namespace.
Link: https://patch.msgid.link/20251029-work-namespace-nstree-listns-v4-55-2e6f823ebdc0@kernel.org
Tested-by: syzbot@syzkaller.appspotmail.com
Reviewed-by: Jeff Layton <jlayton@kernel.org>
S... | ```diff
diff --git a/tools/testing/selftests/namespaces/.gitignore b/tools/testing/selftests/namespaces/.gitignore
index 17f9c675a60b..aeb5f2711ff6 100644
--- a/tools/testing/selftests/namespaces/.gitignore
+++ b/tools/testing/selftests/namespaces/.gitignore
@@ -4,3 +4,4 @@ init_ino_test
ns_active_ref_test
listns_tes... |
2635f93989bf15456ccfd06df6a1f5a4a3928aa7 | Analyze and fix the following issue in the Linux kernel code: selftests/namespaces: third listns() permission test | Problem Details:
Test that users cannot see namespaces from unrelated user namespaces.
Create two sibling user namespaces, verify they can't see each other's
owned namespaces.
Link: https://patch.msgid.link/20251029-work-namespace-nstree-listns-v4-50-2e6f823ebdc0@kernel.org
Tested-by: syzbot@syzkaller.appspotmail.com
... | ```diff
diff --git a/tools/testing/selftests/namespaces/listns_permissions_test.c b/tools/testing/selftests/namespaces/listns_permissions_test.c
index c99c87cca046..aed7288c7eca 100644
--- a/tools/testing/selftests/namespaces/listns_permissions_test.c
+++ b/tools/testing/selftests/namespaces/listns_permissions_test.c
@... |
6aeca1dd493ba5afb4ae2e1091f93f4bf9675b12 | Analyze and fix the following issue in the Linux kernel code: selftests/namespaces: seventh listns() test | Problem Details:
Test listns() with multiple namespace types filter.
Link: https://patch.msgid.link/20251029-work-namespace-nstree-listns-v4-45-2e6f823ebdc0@kernel.org
Tested-by: syzbot@syzkaller.appspotmail.com
Reviewed-by: Jeff Layton <jlayton@kernel.org>
Signed-off-by: Christian Brauner <brauner@kernel.org> | ```diff
diff --git a/tools/testing/selftests/namespaces/listns_test.c b/tools/testing/selftests/namespaces/listns_test.c
index f5b8bc5d111f..d73c2a2898cf 100644
--- a/tools/testing/selftests/namespaces/listns_test.c
+++ b/tools/testing/selftests/namespaces/listns_test.c
@@ -446,4 +446,35 @@ TEST(listns_specific_userns)... |
abac8de3e5000b2b448bab4a9d19e35ce32e80ce | Analyze and fix the following issue in the Linux kernel code: selftests/namespaces: fourth listns() test | Problem Details:
Test listns() with LISTNS_CURRENT_USER.
List namespaces owned by current user namespace.
Link: https://patch.msgid.link/20251029-work-namespace-nstree-listns-v4-42-2e6f823ebdc0@kernel.org
Tested-by: syzbot@syzkaller.appspotmail.com
Reviewed-by: Jeff Layton <jlayton@kernel.org>
Signed-off-by: Christian... | ```diff
diff --git a/tools/testing/selftests/namespaces/listns_test.c b/tools/testing/selftests/namespaces/listns_test.c
index 7dff63a00263..457298cb4c64 100644
--- a/tools/testing/selftests/namespaces/listns_test.c
+++ b/tools/testing/selftests/namespaces/listns_test.c
@@ -168,4 +168,37 @@ TEST(listns_pagination)
}
... |
46909d13434bf73d09a224c1e5fca409adc94f10 | Analyze and fix the following issue in the Linux kernel code: selftests/namespaces: third listns() test | Problem Details:
Test listns() pagination.
List namespaces in batches.
Link: https://patch.msgid.link/20251029-work-namespace-nstree-listns-v4-41-2e6f823ebdc0@kernel.org
Tested-by: syzbot@syzkaller.appspotmail.com
Reviewed-by: Jeff Layton <jlayton@kernel.org>
Signed-off-by: Christian Brauner <brauner@kernel.org> | ```diff
diff --git a/tools/testing/selftests/namespaces/listns_test.c b/tools/testing/selftests/namespaces/listns_test.c
index 64249502ac49..7dff63a00263 100644
--- a/tools/testing/selftests/namespaces/listns_test.c
+++ b/tools/testing/selftests/namespaces/listns_test.c
@@ -115,4 +115,57 @@ TEST(listns_filter_by_type)
... |
6a68c7f919d9068b9b857be8085af3d59ff0084c | Analyze and fix the following issue in the Linux kernel code: selftests/namespaces: second listns() test | Problem Details:
test listns() with type filtering.
List only network namespaces.
Link: https://patch.msgid.link/20251029-work-namespace-nstree-listns-v4-40-2e6f823ebdc0@kernel.org
Tested-by: syzbot@syzkaller.appspotmail.com
Reviewed-by: Jeff Layton <jlayton@kernel.org>
Signed-off-by: Christian Brauner <brauner@kernel... | ```diff
diff --git a/tools/testing/selftests/namespaces/listns_test.c b/tools/testing/selftests/namespaces/listns_test.c
index cb42827d3dfe..64249502ac49 100644
--- a/tools/testing/selftests/namespaces/listns_test.c
+++ b/tools/testing/selftests/namespaces/listns_test.c
@@ -54,4 +54,65 @@ TEST(listns_basic_unified)
}... |
e2ff8d88649c2e4303f2dbb80659ae0312c30846 | Analyze and fix the following issue in the Linux kernel code: selftests/namespaces: first listns() test | Problem Details:
Test basic listns() functionality with the unified namespace tree.
List all active namespaces globally.
Link: https://patch.msgid.link/20251029-work-namespace-nstree-listns-v4-39-2e6f823ebdc0@kernel.org
Tested-by: syzbot@syzkaller.appspotmail.com
Reviewed-by: Jeff Layton <jlayton@kernel.org>
Signed-of... | ```diff
diff --git a/tools/testing/selftests/namespaces/.gitignore b/tools/testing/selftests/namespaces/.gitignore
index 100cc5bfef04..5065f07e92c9 100644
--- a/tools/testing/selftests/namespaces/.gitignore
+++ b/tools/testing/selftests/namespaces/.gitignore
@@ -2,3 +2,4 @@ nsid_test
file_handle_test
init_ino_test
n... |
158c5c786e91675a508a3afdda2f38973b487ff0 | Analyze and fix the following issue in the Linux kernel code: selftests/namespaces: add listns() wrapper | Problem Details:
Add a wrapper for the listns() system call.
Link: https://patch.msgid.link/20251029-work-namespace-nstree-listns-v4-38-2e6f823ebdc0@kernel.org
Tested-by: syzbot@syzkaller.appspotmail.com
Reviewed-by: Jeff Layton <jlayton@kernel.org>
Signed-off-by: Christian Brauner <brauner@kernel.org> | ```diff
diff --git a/tools/testing/selftests/namespaces/wrappers.h b/tools/testing/selftests/namespaces/wrappers.h
new file mode 100644
index 000000000000..9741a64a5b1d
--- /dev/null
+++ b/tools/testing/selftests/namespaces/wrappers.h
@@ -0,0 +1,35 @@
+// SPDX-License-Identifier: GPL-2.0
+
+#include <linux/nsfs.h>
+#in... |
6bdce845fd5add4a69bc7a8101bf1741822d5de0 | Analyze and fix the following issue in the Linux kernel code: selftests/namespaces: first active reference count tests | Problem Details:
Test that initial namespaces can be reopened via file handle. Initial
namespaces should always have a ref count of one from boot.
Link: https://patch.msgid.link/20251029-work-namespace-nstree-listns-v4-23-2e6f823ebdc0@kernel.org
Tested-by: syzbot@syzkaller.appspotmail.com
Reviewed-by: Jeff Layton <jla... | ```diff
diff --git a/tools/testing/selftests/namespaces/.gitignore b/tools/testing/selftests/namespaces/.gitignore
index ccfb40837a73..100cc5bfef04 100644
--- a/tools/testing/selftests/namespaces/.gitignore
+++ b/tools/testing/selftests/namespaces/.gitignore
@@ -1,3 +1,4 @@
nsid_test
file_handle_test
init_ino_test
+... |
e2b6e5eadc13ee5268c20ad7fd4bb638326ea6d4 | Analyze and fix the following issue in the Linux kernel code: selftests/filesystems: remove CLONE_NEWPIDNS from setup_userns() helper | Problem Details:
This is effectively unused and doesn't really server any purpose after
having reviewed all of the tests that rely on it.
Link: https://patch.msgid.link/20251029-work-namespace-nstree-listns-v4-22-2e6f823ebdc0@kernel.org
Tested-by: syzbot@syzkaller.appspotmail.com
Reviewed-by: Jeff Layton <jlayton@kern... | ```diff
diff --git a/tools/testing/selftests/filesystems/utils.c b/tools/testing/selftests/filesystems/utils.c
index c43a69dffd83..a0c64f415a7f 100644
--- a/tools/testing/selftests/filesystems/utils.c
+++ b/tools/testing/selftests/filesystems/utils.c
@@ -487,7 +487,7 @@ int setup_userns(void)
uid_t uid = getuid();
... |
6fc9baa49d0ce36e4c2c27dd9e5fbd387240d8e7 | Analyze and fix the following issue in the Linux kernel code: nsfs: update tools header | Problem Details:
Ensure all the new uapi bits are visible for the selftests.
Link: https://patch.msgid.link/20251029-work-namespace-nstree-listns-v4-21-2e6f823ebdc0@kernel.org
Tested-by: syzbot@syzkaller.appspotmail.com
Reviewed-by: Jeff Layton <jlayton@kernel.org>
Signed-off-by: Christian Brauner <brauner@kernel.org> | ```diff
diff --git a/tools/include/uapi/linux/nsfs.h b/tools/include/uapi/linux/nsfs.h
index 33c9b578b3b2..a25e38d1c874 100644
--- a/tools/include/uapi/linux/nsfs.h
+++ b/tools/include/uapi/linux/nsfs.h
@@ -53,6 +53,76 @@ enum init_ns_ino {
TIME_NS_INIT_INO = 0xEFFFFFFAU,
NET_NS_INIT_INO = 0xEFFFFFF9U,
MNT_NS_IN... |
b36d4b6aa88ef039647228b98c59a875e92f8c8e | Analyze and fix the following issue in the Linux kernel code: arch: hookup listns() system call | Problem Details:
Add the listns() system call to all architectures.
Link: https://patch.msgid.link/20251029-work-namespace-nstree-listns-v4-20-2e6f823ebdc0@kernel.org
Tested-by: syzbot@syzkaller.appspotmail.com
Reviewed-by: Arnd Bergmann <arnd@arndb.de>
Reviewed-by: Jeff Layton <jlayton@kernel.org>
Signed-off-by: Chri... | ```diff
diff --git a/arch/alpha/kernel/syscalls/syscall.tbl b/arch/alpha/kernel/syscalls/syscall.tbl
index 16dca28ebf17..3fed97478058 100644
--- a/arch/alpha/kernel/syscalls/syscall.tbl
+++ b/arch/alpha/kernel/syscalls/syscall.tbl
@@ -509,3 +509,4 @@
577 common open_tree_attr sys_open_tree_attr
578 common file_geta... |
04173501a69ed0387cceb190181ef8f7f1c54f0a | Analyze and fix the following issue in the Linux kernel code: nstree: allow lookup solely based on inode | Problem Details:
The namespace file handle struct nsfs_file_handle is uapi and userspace
is expressly allowed to generate file handles without going through
name_to_handle_at().
Allow userspace to generate a file handle where both the inode number
and the namespace type are zero and just pass in the unique namespace
i... | ```diff
diff --git a/fs/nsfs.c b/fs/nsfs.c
index 0c35e4e54711..4a95a0a38f86 100644
--- a/fs/nsfs.c
+++ b/fs/nsfs.c
@@ -496,15 +496,22 @@ static struct dentry *nsfs_fh_to_dentry(struct super_block *sb, struct fid *fh,
return NULL;
}
+ if (!fid->ns_id)
+ return NULL;
+ /* Either both are set or both are unset. */... |
8895d2a3dbf49f23622ab8da9fb3909826edd6dc | Analyze and fix the following issue in the Linux kernel code: ns: use anonymous struct to group list member | Problem Details:
Make it easier to spot that they belong together conceptually.
Link: https://patch.msgid.link/20251029-work-namespace-nstree-listns-v4-12-2e6f823ebdc0@kernel.org
Tested-by: syzbot@syzkaller.appspotmail.com
Reviewed-by: Jeff Layton <jlayton@kernel.org>
Signed-off-by: Christian Brauner <brauner@kernel.o... | ```diff
diff --git a/include/linux/ns_common.h b/include/linux/ns_common.h
index bdd0df15ad9c..32463203c824 100644
--- a/include/linux/ns_common.h
+++ b/include/linux/ns_common.h
@@ -109,8 +109,10 @@ struct ns_common {
union {
struct {
u64 ns_id;
- struct rb_node ns_tree_node;
- struct list_head ns_list_no... |
6b053576edb12c7739ea9c7c9900031361922631 | Analyze and fix the following issue in the Linux kernel code: ns: add __ns_ref_read() | Problem Details:
Implement ns_ref_read() the same way as ns_ref_{get,put}().
No point in making that any more special or different from the other
helpers.
Link: https://patch.msgid.link/20251029-work-namespace-nstree-listns-v4-9-2e6f823ebdc0@kernel.org
Tested-by: syzbot@syzkaller.appspotmail.com
Reviewed-by: Jeff Layt... | ```diff
diff --git a/include/linux/ns_common.h b/include/linux/ns_common.h
index 71a5e28344d1..5e09facafd93 100644
--- a/include/linux/ns_common.h
+++ b/include/linux/ns_common.h
@@ -154,7 +154,12 @@ static __always_inline __must_check bool __ns_ref_get(struct ns_common *ns)
return refcount_inc_not_zero(&ns->__ns_ref... |
3dd50c58664e2684bd610a57bf3ab713cbb0ea91 | Analyze and fix the following issue in the Linux kernel code: ns: initialize ns_list_node for initial namespaces | Problem Details:
Make sure that the list is always initialized for initial namespaces.
Link: https://patch.msgid.link/20251029-work-namespace-nstree-listns-v4-8-2e6f823ebdc0@kernel.org
Fixes: 885fc8ac0a4d ("nstree: make iterator generic")
Tested-by: syzbot@syzkaller.appspotmail.com
Reviewed-by: Jeff Layton <jlayton@ke... | ```diff
diff --git a/include/linux/ns_common.h b/include/linux/ns_common.h
index 3a72c3f81eca..71a5e28344d1 100644
--- a/include/linux/ns_common.h
+++ b/include/linux/ns_common.h
@@ -127,6 +127,7 @@ void __ns_common_free(struct ns_common *ns);
.ops = to_ns_operations(&nsname), \
.stashed = NULL, \
.__... |
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