id stringlengths 40 40 | instruction stringlengths 68 308 | input stringlengths 17 33.4k | output stringlengths 100 30k |
|---|---|---|---|
d9cf9c6884d21e01483c4e17479d27636ea4bb50 | Analyze and fix the following issue in the Linux kernel code: perf/x86/intel: Use early_initcall() to hook bts_init() | Problem Details:
After the commit 'd971342d38bf ("perf/x86/intel: Decouple BTS
initialization from PEBS initialization")' is introduced, x86_pmu.bts
would initialized in bts_init() which is hooked by arch_initcall().
Whereas init_hw_perf_events() is hooked by early_initcall(). Once the
core PMU is initialized, nmi wa... | ```diff
diff --git a/arch/x86/events/intel/bts.c b/arch/x86/events/intel/bts.c
index 61da6b8a3d51..cbac54cb3a9e 100644
--- a/arch/x86/events/intel/bts.c
+++ b/arch/x86/events/intel/bts.c
@@ -643,4 +643,4 @@ static __init int bts_init(void)
return perf_pmu_register(&bts_pmu, "intel_bts", -1);
}
-arch_initcall(bts_i... |
52718438af2ac8323aeea41b6f59da0962cb73b6 | Analyze and fix the following issue in the Linux kernel code: selftests/bpf: Fix uprobe syscall shadow stack test | Problem Details:
Now that we have uprobe syscall working properly with shadow stack,
we can remove testing limitations for shadow stack tests and make
sure uprobe gets properly optimized.
Signed-off-by: Jiri Olsa <jolsa@kernel.org>
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Link: https://lkml.kernel.... | ```diff
diff --git a/tools/testing/selftests/bpf/prog_tests/uprobe_syscall.c b/tools/testing/selftests/bpf/prog_tests/uprobe_syscall.c
index c1f945cacebc..5da0b49eeaca 100644
--- a/tools/testing/selftests/bpf/prog_tests/uprobe_syscall.c
+++ b/tools/testing/selftests/bpf/prog_tests/uprobe_syscall.c
@@ -403,8 +403,6 @@ s... |
60ed85b7e46983725954103beaca5ca41816cd58 | Analyze and fix the following issue in the Linux kernel code: uprobes/x86: Make asm style consistent | Problem Details:
The asm syntax in uretprobe_trampoline and uprobe_trampoline differs
in the use of operand size suffixes. Make them consistent and remove
all size suffixes.
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Link: https://lkml.kernel.org/r/20250821123657.163417243@infradead.org | ```diff
diff --git a/arch/x86/kernel/uprobes.c b/arch/x86/kernel/uprobes.c
index ab6547bf2fa5..643027e35c46 100644
--- a/arch/x86/kernel/uprobes.c
+++ b/arch/x86/kernel/uprobes.c
@@ -321,21 +321,21 @@ asm (
".pushsection .rodata\n"
".global uretprobe_trampoline_entry\n"
"uretprobe_trampoline_entry:\n"
- "pushq %r... |
f349ec80865dfeaf8a33feae6b4a500db039c69c | Analyze and fix the following issue in the Linux kernel code: uprobes/x86: Fix uprobe syscall vs shadow stack | Problem Details:
The uprobe syscall stores and strips the trampoline stack frame from
the user context, to make it appear similar to an exception at the
original instruction. It then restores the trampoline stack when it
can exit using sysexit.
Make sure to match the regular stack manipulation with shadow stack
operat... | ```diff
diff --git a/arch/x86/include/asm/shstk.h b/arch/x86/include/asm/shstk.h
index ba6f2fe43848..6723dbf6ab82 100644
--- a/arch/x86/include/asm/shstk.h
+++ b/arch/x86/include/asm/shstk.h
@@ -23,6 +23,8 @@ int setup_signal_shadow_stack(struct ksignal *ksig);
int restore_signal_shadow_stack(void);
int shstk_update_... |
82afdd05a16a424409682e06a53d6afcda038d30 | Analyze and fix the following issue in the Linux kernel code: uprobes: Make copy_from_page global | Problem Details:
Making copy_from_page global and adding uprobe prefix.
Adding the uprobe prefix to copy_to_page as well for symmetry.
Signed-off-by: Jiri Olsa <jolsa@kernel.org>
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Acked-by: Andrii Nakryiko <andrii@kernel.org>
Acked-by: Oleg Nesterov <oleg@red... | ```diff
diff --git a/include/linux/uprobes.h b/include/linux/uprobes.h
index 01112f27cd21..7447e15559b8 100644
--- a/include/linux/uprobes.h
+++ b/include/linux/uprobes.h
@@ -226,6 +226,7 @@ extern void arch_uprobe_copy_ixol(struct page *page, unsigned long vaddr,
extern void uprobe_handle_trampoline(struct pt_regs *r... |
4cc7dce79725689d8dd229e13c857aeb97b1c7cf | Analyze and fix the following issue in the Linux kernel code: docs: sysctl: add a few more top-level /proc/sys entries | Problem Details:
Add a few missing directories under /proc/sys.
Fix punctuation and doubled words.
Signed-off-by: Randy Dunlap <rdunlap@infradead.org>
Cc: Rik van Riel <riel@surriel.com>
Cc: Jonathan Corbet <corbet@lwn.net>
Cc: linux-doc@vger.kernel.org
Reviewed-by: Rik van Riel <riel@surriel.com>
Signed-off-by: Jonat... | ```diff
diff --git a/Documentation/admin-guide/sysctl/index.rst b/Documentation/admin-guide/sysctl/index.rst
index 03346f98c7b9..4dd2c9b5d752 100644
--- a/Documentation/admin-guide/sysctl/index.rst
+++ b/Documentation/admin-guide/sysctl/index.rst
@@ -66,25 +66,31 @@ This documentation is about:
=============== =====... |
e5b71dd3ad0e3be3c3d243c49e5eec37eb795397 | Analyze and fix the following issue in the Linux kernel code: selftests: net: fix memory leak in tls.c | Problem Details:
To free memory and close fd after use
Suggested-by: Jun Zhan <zhanjun@uniontech.com>
Signed-off-by: Cryolitia PukNgae <cryolitia@uniontech.com>
Link: https://patch.msgid.link/20250819-memoryleak-v1-1-d4c70a861e62@uniontech.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org> | ```diff
diff --git a/tools/testing/selftests/net/tls.c b/tools/testing/selftests/net/tls.c
index d8cfcf9bb825..23cf6ff5fa49 100644
--- a/tools/testing/selftests/net/tls.c
+++ b/tools/testing/selftests/net/tls.c
@@ -427,6 +427,8 @@ TEST_F(tls, sendfile)
EXPECT_GE(filefd, 0);
fstat(filefd, &st);
EXPECT_GE(sendfile(... |
e56878b4770ba237cf487c881a59a779016f93de | Analyze and fix the following issue in the Linux kernel code: docs: kernel-parameters: typo fix and add missing SPDX-License tag | Problem Details:
Fix documentation issues by removing a duplicated word and adding the
missing SPDX-License identifier.
Signed-off-by: Bartlomiej Kubik <kubik.bartlomiej@gmail.com>
Reviewed-by: Randy Dunlap <rdunlap@infradead.org>
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
Link: https://lore.kernel.org/r/20250819... | ```diff
diff --git a/Documentation/admin-guide/kernel-parameters.rst b/Documentation/admin-guide/kernel-parameters.rst
index 39d0e7ff0965..7bf8cc7df6b5 100644
--- a/Documentation/admin-guide/kernel-parameters.rst
+++ b/Documentation/admin-guide/kernel-parameters.rst
@@ -1,3 +1,5 @@
+.. SPDX-License-Identifier: GPL-2.0
... |
aea70964b5a7ca491a3701f2dde6c9d05d51878d | Analyze and fix the following issue in the Linux kernel code: of: reserved_mem: Add missing IORESOURCE_MEM flag on resources | Problem Details:
Commit f4fcfdda2fd8 ('of: reserved_mem: Add functions to parse
"memory-region"') failed to set IORESOURCE_MEM flag on the resources.
The result is functions such as devm_ioremap_resource_wc() will fail.
Add the missing flag.
Fixes: f4fcfdda2fd8 ('of: reserved_mem: Add functions to parse "memory-region... | ```diff
diff --git a/drivers/of/of_reserved_mem.c b/drivers/of/of_reserved_mem.c
index 77016c0cc296..d3b7c4ae429c 100644
--- a/drivers/of/of_reserved_mem.c
+++ b/drivers/of/of_reserved_mem.c
@@ -771,6 +771,7 @@ int of_reserved_mem_region_to_resource(const struct device_node *np,
return -EINVAL;
resource_set_rang... |
91a79b792204313153e1bdbbe5acbfc28903b3a5 | Analyze and fix the following issue in the Linux kernel code: netfilter: nf_reject: don't leak dst refcount for loopback packets | Problem Details:
recent patches to add a WARN() when replacing skb dst entry found an
old bug:
WARNING: include/linux/skbuff.h:1165 skb_dst_check_unset include/linux/skbuff.h:1164 [inline]
WARNING: include/linux/skbuff.h:1165 skb_dst_set include/linux/skbuff.h:1210 [inline]
WARNING: include/linux/skbuff.h:1165 nf_reje... | ```diff
diff --git a/net/ipv4/netfilter/nf_reject_ipv4.c b/net/ipv4/netfilter/nf_reject_ipv4.c
index 87fd945a0d27..0d3cb2ba6fc8 100644
--- a/net/ipv4/netfilter/nf_reject_ipv4.c
+++ b/net/ipv4/netfilter/nf_reject_ipv4.c
@@ -247,8 +247,7 @@ void nf_send_reset(struct net *net, struct sock *sk, struct sk_buff *oldskb,
if... |
0c3f135e840d4a2ba4253e15d530ec61bc30718e | Analyze and fix the following issue in the Linux kernel code: idpf: stop Tx if there are insufficient buffer resources | Problem Details:
The Tx refillq logic will cause packets to be silently dropped if there
are not enough buffer resources available to send a packet in flow
scheduling mode. Instead, determine how many buffers are needed along
with number of descriptors. Make sure there are enough of both resources
to send the packet, a... | ```diff
diff --git a/drivers/net/ethernet/intel/idpf/idpf_singleq_txrx.c b/drivers/net/ethernet/intel/idpf/idpf_singleq_txrx.c
index 57c0f5ab8f9e..b19b462e0bb6 100644
--- a/drivers/net/ethernet/intel/idpf/idpf_singleq_txrx.c
+++ b/drivers/net/ethernet/intel/idpf/idpf_singleq_txrx.c
@@ -415,11 +415,11 @@ netdev_tx_t idp... |
5f417d551324d2894168b362f2429d120ab06243 | Analyze and fix the following issue in the Linux kernel code: idpf: replace flow scheduling buffer ring with buffer pool | Problem Details:
Replace the TxQ buffer ring with one large pool/array of buffers (only
for flow scheduling). This eliminates the tag generation and makes it
impossible for a tag to be associated with more than one packet.
The completion tag passed to HW through the descriptor is the index into
the array. That same co... | ```diff
diff --git a/drivers/net/ethernet/intel/idpf/idpf_txrx.c b/drivers/net/ethernet/intel/idpf/idpf_txrx.c
index 527d56bcbbef..5fe329a7c944 100644
--- a/drivers/net/ethernet/intel/idpf/idpf_txrx.c
+++ b/drivers/net/ethernet/intel/idpf/idpf_txrx.c
@@ -13,6 +13,7 @@ struct idpf_tx_stash {
struct libeth_sqe buf;
};... |
b61dfa9bc4430ad82b96d3a7c1c485350f91b467 | Analyze and fix the following issue in the Linux kernel code: idpf: simplify and fix splitq Tx packet rollback error path | Problem Details:
Move (and rename) the existing rollback logic to singleq.c since that
will be the only consumer. Create a simplified splitq specific rollback
function to loop through and unmap tx_bufs based on the completion tag.
This is critical before replacing the Tx buffer ring with the buffer
pool since the previ... | ```diff
diff --git a/drivers/net/ethernet/intel/idpf/idpf_singleq_txrx.c b/drivers/net/ethernet/intel/idpf/idpf_singleq_txrx.c
index 555879b1248d..57c0f5ab8f9e 100644
--- a/drivers/net/ethernet/intel/idpf/idpf_singleq_txrx.c
+++ b/drivers/net/ethernet/intel/idpf/idpf_singleq_txrx.c
@@ -179,6 +179,58 @@ static int idpf_... |
3868f910440c47cd5d158776be4ba4e2186beda7 | Analyze and fix the following issue in the Linux kernel code: s390/hypfs: Enable limited access during lockdown | Problem Details:
When kernel lockdown is active, debugfs_locked_down() blocks access to
hypfs files that register ioctl callbacks, even if the ioctl interface
is not required for a function. This unnecessarily breaks userspace
tools that only rely on read operations.
Resolve this by registering a minimal set of file o... | ```diff
diff --git a/arch/s390/hypfs/hypfs_dbfs.c b/arch/s390/hypfs/hypfs_dbfs.c
index e74eb8f9b23a..41a0d2066fa0 100644
--- a/arch/s390/hypfs/hypfs_dbfs.c
+++ b/arch/s390/hypfs/hypfs_dbfs.c
@@ -6,6 +6,7 @@
* Author(s): Michael Holzheu <holzheu@linux.vnet.ibm.com>
*/
+#include <linux/security.h>
#include <linux/... |
fec7bdfe7f8694a0c39e6c3ec026ff61ca1058b9 | Analyze and fix the following issue in the Linux kernel code: s390/hypfs: Avoid unnecessary ioctl registration in debugfs | Problem Details:
Currently, hypfs registers ioctl callbacks for all debugfs files,
despite only one file requiring them. This leads to unintended exposure
of unused interfaces to user space and can trigger side effects such as
restricted access when kernel lockdown is enabled.
Restrict ioctl registration to only those... | ```diff
diff --git a/arch/s390/hypfs/hypfs_dbfs.c b/arch/s390/hypfs/hypfs_dbfs.c
index 5d9effb0867c..e74eb8f9b23a 100644
--- a/arch/s390/hypfs/hypfs_dbfs.c
+++ b/arch/s390/hypfs/hypfs_dbfs.c
@@ -66,23 +66,27 @@ static long dbfs_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
long rc;
mutex_lock(&df-... |
00f0b959ffb094ea677ca24a0bd14d300a3013a0 | Analyze and fix the following issue in the Linux kernel code: KVM: SEV: Enforce minimum GHCB version requirement for SEV-SNP guests | Problem Details:
Require a minimum GHCB version of 2 when starting SEV-SNP guests through
KVM_SEV_INIT2. When a VMM attempts to start an SEV-SNP guest with an
incompatible GHCB version (less than 2), reject the request early rather
than allowing the guest kernel to start with an incorrect protocol version
and fail late... | ```diff
diff --git a/arch/x86/kvm/svm/sev.c b/arch/x86/kvm/svm/sev.c
index 212f790eedd4..e88dce598785 100644
--- a/arch/x86/kvm/svm/sev.c
+++ b/arch/x86/kvm/svm/sev.c
@@ -405,6 +405,7 @@ static int __sev_guest_init(struct kvm *kvm, struct kvm_sev_cmd *argp,
struct kvm_sev_info *sev = to_kvm_sev_info(kvm);
struct se... |
8410fe81093ff231e964891e215b624dabb734b0 | Analyze and fix the following issue in the Linux kernel code: ALSA: usb-audio: Use correct sub-type for UAC3 feature unit validation | Problem Details:
The entry of the validators table for UAC3 feature unit is defined
with a wrong sub-type UAC_FEATURE (= 0x06) while it should have been
UAC3_FEATURE (= 0x07). This patch corrects the entry value.
Fixes: 57f8770620e9 ("ALSA: usb-audio: More validations of descriptor units")
Link: https://patch.msgid.l... | ```diff
diff --git a/sound/usb/validate.c b/sound/usb/validate.c
index 4f4e8e87a14c..a0d55b77c994 100644
--- a/sound/usb/validate.c
+++ b/sound/usb/validate.c
@@ -285,7 +285,7 @@ static const struct usb_desc_validator audio_validators[] = {
/* UAC_VERSION_3, UAC3_EXTENDED_TERMINAL: not implemented yet */
FUNC(UAC_V... |
8b0587a885fdb34fd6090a3f8625cb7ac1444826 | Analyze and fix the following issue in the Linux kernel code: net/mlx5e: Preserve shared buffer capacity during headroom updates | Problem Details:
When port buffer headroom changes, port_update_shared_buffer()
recalculates the shared buffer size and splits it in a 3:1 ratio
(lossy:lossless) - Currently, the calculation is:
lossless = shared / 4;
lossy = (shared / 4) * 3;
Meaning, the calculation dropped the remainder of shared % 4 due to
integer... | ```diff
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en/port_buffer.c b/drivers/net/ethernet/mellanox/mlx5/core/en/port_buffer.c
index 5ae787656a7c..3efa8bf1d14e 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/en/port_buffer.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/en/port_buffer.c
@@ -272,8 +272,8 ... |
451d2849ea66659040b59ae3cb7e50cc97404733 | Analyze and fix the following issue in the Linux kernel code: net/mlx5e: Query FW for buffer ownership | Problem Details:
The SW currently saves local buffer ownership when setting
the buffer.
This means that the SW assumes it has ownership of the buffer
after the command is set.
If setting the buffer fails and we remain in FW ownership,
the local buffer ownership state incorrectly remains as SW-owned.
This leads to inco... | ```diff
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en/dcbnl.h b/drivers/net/ethernet/mellanox/mlx5/core/en/dcbnl.h
index b59aee75de94..2c98a5299df3 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/en/dcbnl.h
+++ b/drivers/net/ethernet/mellanox/mlx5/core/en/dcbnl.h
@@ -26,7 +26,6 @@ struct mlx5e_dcbx {
u... |
51b17c98e3dbb2093a81b0490050a0eaa919ebee | Analyze and fix the following issue in the Linux kernel code: net/mlx5: Restore missing scheduling node cleanup on vport enable failure | Problem Details:
Restore the __esw_qos_free_node() call removed by the offending commit.
Fixes: 97733d1e00a0 ("net/mlx5: Add traffic class scheduling support for vport QoS")
Signed-off-by: Carolina Jubran <cjubran@nvidia.com>
Reviewed-by: Tariq Toukan <tariqt@nvidia.com>
Reviewed-by: Cosmin Ratiu <cratiu@nvidia.com>
S... | ```diff
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/esw/qos.c b/drivers/net/ethernet/mellanox/mlx5/core/esw/qos.c
index 41aec07bb6c2..8b4977650183 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/esw/qos.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/esw/qos.c
@@ -1122,6 +1122,7 @@ static int mlx5_esw_qos... |
3c114fb2afe493066df5b9e560ef37216b153c90 | Analyze and fix the following issue in the Linux kernel code: net/mlx5: Fix QoS reference leak in vport enable error path | Problem Details:
Add missing esw_qos_put() call when __esw_qos_alloc_node() fails in
mlx5_esw_qos_vport_enable().
Fixes: be034baba83e ("net/mlx5: Make vport QoS enablement more flexible for future extensions")
Signed-off-by: Carolina Jubran <cjubran@nvidia.com>
Reviewed-by: Cosmin Ratiu <cratiu@nvidia.com>
Signed-off-... | ```diff
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/esw/qos.c b/drivers/net/ethernet/mellanox/mlx5/core/esw/qos.c
index 452a948a3e6d..41aec07bb6c2 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/esw/qos.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/esw/qos.c
@@ -1109,8 +1109,10 @@ static int mlx5_esw_qo... |
b697ef4d1d136948d282384e6cc3d1af469ea123 | Analyze and fix the following issue in the Linux kernel code: net/mlx5: Destroy vport QoS element when no configuration remains | Problem Details:
If a VF has been configured and the user later clears all QoS settings,
the vport element remains in the firmware QoS tree. This leads to
inconsistent behavior compared to VFs that were never configured, since
the FW assumes that unconfigured VFs are outside the QoS hierarchy.
As a result, the bandwidt... | ```diff
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/esw/qos.c b/drivers/net/ethernet/mellanox/mlx5/core/esw/qos.c
index 4ed5968f1638..452a948a3e6d 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/esw/qos.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/esw/qos.c
@@ -1127,6 +1127,19 @@ static int mlx5_esw_qo... |
e8f973576ca5387ffd2917b8ae661d3f9acde526 | Analyze and fix the following issue in the Linux kernel code: net/mlx5e: Preserve tc-bw during parent changes | Problem Details:
When changing parent of a node/leaf with tc-bw configured, the code
saves and restores tc-bw values. However, it was reading the converted
hardware bw_share values (where 0 becomes 1) instead of the original
user values, causing incorrect tc-bw calculations after parent change.
Store original tc-bw va... | ```diff
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/esw/qos.c b/drivers/net/ethernet/mellanox/mlx5/core/esw/qos.c
index cd58d3934596..4ed5968f1638 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/esw/qos.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/esw/qos.c
@@ -102,6 +102,8 @@ struct mlx5_esw_sched_nod... |
330f0f6713a39581936decac72331e6ab7f13529 | Analyze and fix the following issue in the Linux kernel code: net/mlx5: Remove default QoS group and attach vports directly to root TSAR | Problem Details:
Currently, the driver creates a default group (`node0`) and attaches
all vports to it unless the user explicitly sets a parent group. As a
result, when a user configures tx_share on a group and tx_share on
a VF, the expectation is for the group and the VF to share bandwidth
relatively. However, since t... | ```diff
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/esw/qos.c b/drivers/net/ethernet/mellanox/mlx5/core/esw/qos.c
index 91d863c8c152..cd58d3934596 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/esw/qos.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/esw/qos.c
@@ -462,6 +462,7 @@ static int
esw_qos_vport... |
bc17455bc843b2f4b206e0bb8139013eb3d3c08b | Analyze and fix the following issue in the Linux kernel code: net/mlx5: Base ECVF devlink port attrs from 0 | Problem Details:
Adjust the vport number by the base ECVF vport number so the port
attributes start at 0. Previously the port attributes would start 1
after the maximum number of host VFs.
Fixes: dc13180824b7 ("net/mlx5: Enable devlink port for embedded cpu VF vports")
Signed-off-by: Daniel Jurgens <danielj@nvidia.com... | ```diff
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/esw/devlink_port.c b/drivers/net/ethernet/mellanox/mlx5/core/esw/devlink_port.c
index b7102e14d23d..c33accadae0f 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/esw/devlink_port.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/esw/devlink_port.c
@@ -47,10... |
7ef353879f714602b43f98662069f4fb86536761 | Analyze and fix the following issue in the Linux kernel code: net: pse-pd: pd692x0: Skip power budget configuration when undefined | Problem Details:
If the power supply's power budget is not defined in the device tree,
the current code still requests power and configures the PSE manager
with a 0W power limit, which is undesirable behavior.
Skip power budget configuration entirely when the budget is zero,
avoiding unnecessary power requests and pre... | ```diff
diff --git a/drivers/net/pse-pd/pd692x0.c b/drivers/net/pse-pd/pd692x0.c
index 395f6c662175..f4e91ba64a66 100644
--- a/drivers/net/pse-pd/pd692x0.c
+++ b/drivers/net/pse-pd/pd692x0.c
@@ -1041,6 +1041,10 @@ pd692x0_configure_managers(struct pd692x0_priv *priv, int nmanagers)
int pw_budget;
pw_budget = re... |
1c67f9c54cdc70627e3f6472b89cd3d895df974c | Analyze and fix the following issue in the Linux kernel code: net: pse-pd: pd692x0: Fix power budget leak in manager setup error path | Problem Details:
Fix a resource leak where manager power budgets were freed on both
success and error paths during manager setup. Power budgets should
only be freed on error paths after regulator registration or during
driver removal.
Refactor cleanup logic by extracting OF node cleanup and power budget
freeing into s... | ```diff
diff --git a/drivers/net/pse-pd/pd692x0.c b/drivers/net/pse-pd/pd692x0.c
index 399ce9febda4..395f6c662175 100644
--- a/drivers/net/pse-pd/pd692x0.c
+++ b/drivers/net/pse-pd/pd692x0.c
@@ -1162,12 +1162,44 @@ pd692x0_write_ports_matrix(struct pd692x0_priv *priv,
return 0;
}
+static void pd692x0_of_put_manage... |
8c5d95988c34f0aeba1f34cd5e4ba69494c90c5f | Analyze and fix the following issue in the Linux kernel code: Octeontx2-af: Skip overlap check for SPI field | Problem Details:
Octeontx2/CN10K silicon supports generating a 256-bit key per packet.
The specific fields to be extracted from a packet for key generation
are configurable via a Key Extraction (MKEX) Profile.
The AF driver scans the configured extraction profile to ensure that
fields from upper layers do not overwrit... | ```diff
diff --git a/drivers/net/ethernet/marvell/octeontx2/af/rvu_npc_fs.c b/drivers/net/ethernet/marvell/octeontx2/af/rvu_npc_fs.c
index 1b765045aa63..b56395ac5a74 100644
--- a/drivers/net/ethernet/marvell/octeontx2/af/rvu_npc_fs.c
+++ b/drivers/net/ethernet/marvell/octeontx2/af/rvu_npc_fs.c
@@ -606,8 +606,8 @@ stati... |
62708b9452f8eb77513115b17c4f8d1a22ebf843 | Analyze and fix the following issue in the Linux kernel code: tls: fix handling of zero-length records on the rx_list | Problem Details:
Each recvmsg() call must process either
- only contiguous DATA records (any number of them)
- one non-DATA record
If the next record has different type than what has already been
processed we break out of the main processing loop. If the record
has already been decrypted (which may be the case for T... | ```diff
diff --git a/net/tls/tls_sw.c b/net/tls/tls_sw.c
index 51c98a007dda..bac65d0d4e3e 100644
--- a/net/tls/tls_sw.c
+++ b/net/tls/tls_sw.c
@@ -1808,6 +1808,9 @@ int decrypt_skb(struct sock *sk, struct scatterlist *sgout)
return tls_decrypt_sg(sk, NULL, sgout, &darg);
}
+/* All records returned from a recvmsg()... |
73c94172e278197fbed9f6a7b7550edc5bc1fbad | Analyze and fix the following issue in the Linux kernel code: netlink: specs: binder: replace underscores with dashes in names | Problem Details:
The usage of underscores is no longer allowed for the 'name' format in
the yaml spec. Instead, dashes should be used. This fixes the build
issue reported by Thorsten that showed up on linux-next.
Note this change has no impact on C code.
Cc: Jakub Kicinski <kuba@kernel.org>
Reported-by: Thorsten Leem... | ```diff
diff --git a/Documentation/netlink/specs/binder.yaml b/Documentation/netlink/specs/binder.yaml
index 140b77a6afee..0f0575ad1265 100644
--- a/Documentation/netlink/specs/binder.yaml
+++ b/Documentation/netlink/specs/binder.yaml
@@ -26,27 +26,27 @@ attribute-sets:
type: string
doc: The binder co... |
61ce50fd8196c8782b9620bb60d33649ec429f64 | Analyze and fix the following issue in the Linux kernel code: drm/panel: jdi-lpm102a188a: Fix error code in jdi_panel_prepare() | Problem Details:
If the mipi_dsi_dual() macro fails, the error code is stored in
dsi_ctx.accum_err. Propagate that error back to the caller instead
of returning success as the current code does.
Fixes: a6adf47d30cc ("drm/panel: jdi-lpm102a188a: Fix bug and clean up driver")
Signed-off-by: Dan Carpenter <dan.carpenter... | ```diff
diff --git a/drivers/gpu/drm/panel/panel-jdi-lpm102a188a.c b/drivers/gpu/drm/panel/panel-jdi-lpm102a188a.c
index 83656bb4b0b2..23462065d726 100644
--- a/drivers/gpu/drm/panel/panel-jdi-lpm102a188a.c
+++ b/drivers/gpu/drm/panel/panel-jdi-lpm102a188a.c
@@ -233,8 +233,10 @@ static int jdi_panel_prepare(struct drm_... |
220abf77e7c2835cc63ea8cd7158cf83952640af | Analyze and fix the following issue in the Linux kernel code: cpufreq/amd-pstate: Fix setting of CPPC.min_perf in active mode for performance governor | Problem Details:
In the "active" mode of the amd-pstate driver with performance
governor, the CPPC.min_perf is expected to be the nominal_perf.
However after commit a9b9b4c2a4cd ("cpufreq/amd-pstate: Drop min and
max cached frequencies"), this is not the case when the governor is
switched from performance to powersave... | ```diff
diff --git a/drivers/cpufreq/amd-pstate.c b/drivers/cpufreq/amd-pstate.c
index bbc27ef9edf7..5cd91489fcbe 100644
--- a/drivers/cpufreq/amd-pstate.c
+++ b/drivers/cpufreq/amd-pstate.c
@@ -1554,13 +1554,15 @@ static void amd_pstate_epp_cpu_exit(struct cpufreq_policy *policy)
pr_debug("CPU %d exiting\n", policy-... |
96481012628c2d9a03fb758763ad7bff786203eb | Analyze and fix the following issue in the Linux kernel code: drm: of: fix documentation reference | Problem Details:
Documentation/devicetree/bindings/graph.txt content has move directly to
the dt-schema repo in commit 4b52be0ce6ad ("dt-bindings: Remove plain
text OF graph binding").
Point to the YAML of the official repo instead of the old file.
Signed-off-by: Raphael Gallais-Pou <rgallaispou@gmail.com>
Reviewed-b... | ```diff
diff --git a/drivers/gpu/drm/drm_of.c b/drivers/gpu/drm/drm_of.c
index d0183dea7703..4f65ce729a47 100644
--- a/drivers/gpu/drm/drm_of.c
+++ b/drivers/gpu/drm/drm_of.c
@@ -55,7 +55,8 @@ EXPORT_SYMBOL(drm_of_crtc_port_mask);
* and generate the DRM mask of CRTCs which may be attached to this
* encoder.
*
- *... |
e8faa8a466f61f4ae07069ed6b0872f602f1cba9 | Analyze and fix the following issue in the Linux kernel code: firmware: arm_scmi: Mark VirtIO ready before registering scmi_virtio_driver | Problem Details:
After commit 20bda12a0ea0 (“firmware: arm_scmi: Make VirtIO transport a
standalone driver”), the VirtIO transport probes independently. During
scmi_virtio_probe, scmi_probe() is called, which intune invokes
scmi_protocol_acquire() that sends a message over the virtqueue and
waits for a reply.
Previous... | ```diff
diff --git a/drivers/firmware/arm_scmi/transports/virtio.c b/drivers/firmware/arm_scmi/transports/virtio.c
index cb934db9b2b4..326c4a93e44b 100644
--- a/drivers/firmware/arm_scmi/transports/virtio.c
+++ b/drivers/firmware/arm_scmi/transports/virtio.c
@@ -871,6 +871,9 @@ static int scmi_vio_probe(struct virtio_d... |
a4d5f63d4384533101e0308fb2e9ac16bacc446c | Analyze and fix the following issue in the Linux kernel code: dt-bindings: firmware: arm,scmi: Allow multiple instances | Problem Details:
Enable multiple SCMI instances by appending an instance-number suffix
to the 'scmi' node name. The SCMI spec assumes a single SCMI platform,
but in practice its responsibilities may be split across several SCMI
platform/server instances. However, only one instance can serve as the
system-wide (true) SC... | ```diff
diff --git a/Documentation/devicetree/bindings/firmware/arm,scmi.yaml b/Documentation/devicetree/bindings/firmware/arm,scmi.yaml
index abbd62f1fed0..be817fd9cc34 100644
--- a/Documentation/devicetree/bindings/firmware/arm,scmi.yaml
+++ b/Documentation/devicetree/bindings/firmware/arm,scmi.yaml
@@ -27,7 +27,7 @@... |
370ac285f23aecae40600851fb4a1a9e75e50973 | Analyze and fix the following issue in the Linux kernel code: block: avoid cpu_hotplug_lock depedency on freeze_lock | Problem Details:
A recent lockdep[1] splat observed while running blktest block/005
reveals a potential deadlock caused by the cpu_hotplug_lock dependency
on ->freeze_lock. This dependency was introduced by commit 033b667a823e
("block: blk-rq-qos: guard rq-qos helpers by static key").
That change added a static key to... | ```diff
diff --git a/block/blk-mq-debugfs.c b/block/blk-mq-debugfs.c
index 7ed3e71f2fc0..32c65efdda46 100644
--- a/block/blk-mq-debugfs.c
+++ b/block/blk-mq-debugfs.c
@@ -95,6 +95,7 @@ static const char *const blk_queue_flag_name[] = {
QUEUE_FLAG_NAME(SQ_SCHED),
QUEUE_FLAG_NAME(DISABLE_WBT_DEF),
QUEUE_FLAG_NAME(N... |
ade1beea1c27657712aa8f594226d461639382ff | Analyze and fix the following issue in the Linux kernel code: block: decrement block_rq_qos static key in rq_qos_del() | Problem Details:
rq_qos_add() increments the block_rq_qos static key when a QoS
policy is attached. When a QoS policy is removed via rq_qos_del(),
we must symmetrically decrement the static key. If this removal drops
the last QoS policy from the queue (q->rq_qos becomes NULL), the
static branch can be disabled and the ... | ```diff
diff --git a/block/blk-rq-qos.c b/block/blk-rq-qos.c
index 848591fb3c57..b1e24bb85ad2 100644
--- a/block/blk-rq-qos.c
+++ b/block/blk-rq-qos.c
@@ -374,6 +374,7 @@ void rq_qos_del(struct rq_qos *rqos)
for (cur = &q->rq_qos; *cur; cur = &(*cur)->next) {
if (*cur == rqos) {
*cur = rqos->next;
+ static_b... |
d234f3aef5928c2f0d692cf43768ecced0abd672 | Analyze and fix the following issue in the Linux kernel code: gpu: nova-core: Update ARef imports from sync::aref | Problem Details:
Update call sites in nova-core to import `ARef`
from `sync::aref` instead of `types`.
This aligns with the ongoing effort to move `ARef` and
`AlwaysRefCounted` to sync.
[acourbot@nvidia.com: use standard prefix for nova-core.]
Suggested-by: Benno Lossin <lossin@kernel.org>
Link: https://github.com/R... | ```diff
diff --git a/drivers/gpu/nova-core/falcon.rs b/drivers/gpu/nova-core/falcon.rs
index d235a6f9efca..645e65175cb6 100644
--- a/drivers/gpu/nova-core/falcon.rs
+++ b/drivers/gpu/nova-core/falcon.rs
@@ -7,8 +7,8 @@ use hal::FalconHal;
use kernel::bindings;
use kernel::device;
use kernel::prelude::*;
+use kernel:... |
7c7cda81159b1abe7d50bcef2ccc6f662e225c8b | Analyze and fix the following issue in the Linux kernel code: spi: st: fix PM macros to use CONFIG_PM instead of CONFIG_PM_SLEEP | Problem Details:
pm_sleep_ptr() depends on CONFIG_PM_SLEEP while pm_ptr() depends on
CONFIG_PM. Since ST SSC4 implements runtime PM it makes sense using
pm_ptr() here.
For the same reason replace PM macros that use CONFIG_PM. Doing so
prevents from using __maybe_unused attribute of runtime PM functions.
Link: https... | ```diff
diff --git a/drivers/spi/spi-st-ssc4.c b/drivers/spi/spi-st-ssc4.c
index 49ab4c515156..c07c61dc4938 100644
--- a/drivers/spi/spi-st-ssc4.c
+++ b/drivers/spi/spi-st-ssc4.c
@@ -378,7 +378,7 @@ static void spi_st_remove(struct platform_device *pdev)
pinctrl_pm_select_sleep_state(&pdev->dev);
}
-static int __m... |
8a3d00dde63a339d31d1fdeead24ddfd4d459c70 | Analyze and fix the following issue in the Linux kernel code: fsverity: check IS_VERITY() in fsverity_cleanup_inode() | Problem Details:
Since getting the address of the fsverity_info has gotten a bit more
expensive, make fsverity_cleanup_inode() check for IS_VERITY() instead.
This avoids adding more overhead to non-verity files.
This assumes that verity info is never set when !IS_VERITY(), which is
currently true, but add a VFS_WARN_O... | ```diff
diff --git a/include/linux/fsverity.h b/include/linux/fsverity.h
index 844f7b8b56bb..5bc7280425a7 100644
--- a/include/linux/fsverity.h
+++ b/include/linux/fsverity.h
@@ -190,8 +190,15 @@ void __fsverity_cleanup_inode(struct inode *inode);
*/
static inline void fsverity_cleanup_inode(struct inode *inode)
{
... |
be1e0283021ec73c2eb92839db9a471a068709d9 | Analyze and fix the following issue in the Linux kernel code: coredump: don't pointlessly check and spew warnings | Problem Details:
When a write happens it doesn't make sense to check perform checks on
the input. Skip them.
Whether a fixes tag is licensed is a bit of a gray area here but I'll
add one for the socket validation part I added recently.
Link: https://lore.kernel.org/20250821-moosbedeckt-denunziant-7908663f3563@brauner... | ```diff
diff --git a/fs/coredump.c b/fs/coredump.c
index 5dce257c67fc..60bc9685e149 100644
--- a/fs/coredump.c
+++ b/fs/coredump.c
@@ -1466,11 +1466,15 @@ static int proc_dostring_coredump(const struct ctl_table *table, int write,
ssize_t retval;
char old_core_pattern[CORENAME_MAX_SIZE];
+ if (write)
+ return pr... |
2d82f3bd8910eb65e30bb2a3c9b945bfb3b6d661 | Analyze and fix the following issue in the Linux kernel code: blk-mq: fix lockdep warning in __blk_mq_update_nr_hw_queues | Problem Details:
Commit 5989bfe6ac6b ("block: restore two stage elevator switch while
running nr_hw_queue update") reintroduced a lockdep warning by calling
blk_mq_freeze_queue_nomemsave() before switching the I/O scheduler.
The function blk_mq_elv_switch_none() calls elevator_change_done().
Running this while the que... | ```diff
diff --git a/block/blk-mq.c b/block/blk-mq.c
index b67d6c02eceb..ba3a4b77f578 100644
--- a/block/blk-mq.c
+++ b/block/blk-mq.c
@@ -5033,6 +5033,7 @@ static void __blk_mq_update_nr_hw_queues(struct blk_mq_tag_set *set,
unsigned int memflags;
int i;
struct xarray elv_tbl, et_tbl;
+ bool queues_frozen = fals... |
a90d6f4aa0bb1dabae4be04955938c86ad7d3489 | Analyze and fix the following issue in the Linux kernel code: pinctrl: sunxi: use kcalloc() instead of kzalloc() | Problem Details:
Use devm_kcalloc() in init_pins_table() and prepare_function_table() to
gain built-in overflow protection, making memory allocation safer when
calculating allocation size compared to explicit multiplication.
Signed-off-by: Qianfeng Rong <rongqianfeng@vivo.com>
Acked-by: Chen-Yu Tsai <wens@csie.org>
Li... | ```diff
diff --git a/drivers/pinctrl/sunxi/pinctrl-sunxi-dt.c b/drivers/pinctrl/sunxi/pinctrl-sunxi-dt.c
index 4e34b0cd3b73..5f13315ebff3 100644
--- a/drivers/pinctrl/sunxi/pinctrl-sunxi-dt.c
+++ b/drivers/pinctrl/sunxi/pinctrl-sunxi-dt.c
@@ -103,7 +103,7 @@ static struct sunxi_desc_pin *init_pins_table(struct device *... |
42311ea58302d340339369a39eb84c6bfb703750 | Analyze and fix the following issue in the Linux kernel code: pinctrl: qcom: sc8180x: use kcalloc() instead of kzalloc() | Problem Details:
Use devm_kcalloc() in sc8180x_pinctrl_add_tile_resources() to gain built-in
overflow protection, making memory allocation safer when calculating
allocation size compared to explicit multiplication.
Signed-off-by: Qianfeng Rong <rongqianfeng@vivo.com>
Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@oss... | ```diff
diff --git a/drivers/pinctrl/qcom/pinctrl-sc8180x.c b/drivers/pinctrl/qcom/pinctrl-sc8180x.c
index 26dd165d1543..ae5134fdebd9 100644
--- a/drivers/pinctrl/qcom/pinctrl-sc8180x.c
+++ b/drivers/pinctrl/qcom/pinctrl-sc8180x.c
@@ -1634,7 +1634,7 @@ static int sc8180x_pinctrl_add_tile_resources(struct platform_devic... |
ae666486ee3baf97571df837ed8acd9e05d015bf | Analyze and fix the following issue in the Linux kernel code: pinctrl: pinctrl-zynqmp: use kcalloc() instead of kzalloc() | Problem Details:
Use devm_kcalloc() in versal_pinctrl_prepare_pin_desc() to gain built-in
overflow protection, making memory allocation safer when calculating
allocation size compared to explicit multiplication.
Signed-off-by: Qianfeng Rong <rongqianfeng@vivo.com>
Acked-by: Michal Simek <michal.simek@amd.com>
Link: ht... | ```diff
diff --git a/drivers/pinctrl/pinctrl-zynqmp.c b/drivers/pinctrl/pinctrl-zynqmp.c
index fddf0fef4b13..585fe1661e17 100644
--- a/drivers/pinctrl/pinctrl-zynqmp.c
+++ b/drivers/pinctrl/pinctrl-zynqmp.c
@@ -919,7 +919,7 @@ static int versal_pinctrl_prepare_pin_desc(struct device *dev,
if (ret)
return ret;
- ... |
2092b3b278be03f73a2438a9d14e2ac472eec033 | Analyze and fix the following issue in the Linux kernel code: pinctrl: microchip-sgpio: use kcalloc() instead of kzalloc() | Problem Details:
Use devm_kcalloc() in microchip_sgpio_register_bank() to gain built-in
overflow protection, making memory allocation safer when calculating
allocation size compared to explicit multiplication.
Signed-off-by: Qianfeng Rong <rongqianfeng@vivo.com>
Link: https://lore.kernel.org/20250819143935.372084-2-ro... | ```diff
diff --git a/drivers/pinctrl/pinctrl-microchip-sgpio.c b/drivers/pinctrl/pinctrl-microchip-sgpio.c
index 6191e5c13815..069cc665a402 100644
--- a/drivers/pinctrl/pinctrl-microchip-sgpio.c
+++ b/drivers/pinctrl/pinctrl-microchip-sgpio.c
@@ -824,7 +824,7 @@ static int microchip_sgpio_register_bank(struct device *d... |
4aa8961b1b9c7498550b41168a91cf1558133dd3 | Analyze and fix the following issue in the Linux kernel code: drm/dp: drm_edp_backlight_set_level: do not always send 3-byte commands | Problem Details:
At least some panels using the LSB register are not happy with the
unconditional increase of the command buffer to 3 bytes.
With the BOE NE14QDM in my Dell Latitude 7455, the recent patches for
luminance based brightness have introduced a regression: the brightness
range stopped being contiguous and b... | ```diff
diff --git a/drivers/gpu/drm/display/drm_dp_helper.c b/drivers/gpu/drm/display/drm_dp_helper.c
index 1ecc3df7e316..4aaeae4fa03c 100644
--- a/drivers/gpu/drm/display/drm_dp_helper.c
+++ b/drivers/gpu/drm/display/drm_dp_helper.c
@@ -3962,6 +3962,7 @@ int drm_edp_backlight_set_level(struct drm_dp_aux *aux, const s... |
7c8c76272e1732c63aab760b0b656f00bdc67050 | Analyze and fix the following issue in the Linux kernel code: drm/i915/psr: Check pause counter before continuing to PSR activation | Problem Details:
Currently intel_psr_work is re-activating PSR even when pause_counter > 0
which is incorrect. Fix this by checking pause_counter before re-activating
PSR.
Closes: https://gitlab.freedesktop.org/drm/i915/kernel/-/issues/14822
Signed-off-by: Jouni Högander <jouni.hogander@intel.com>
Reviewed-by: Mika Ka... | ```diff
diff --git a/drivers/gpu/drm/i915/display/intel_psr.c b/drivers/gpu/drm/i915/display/intel_psr.c
index 86836aa61413..465f12c39330 100644
--- a/drivers/gpu/drm/i915/display/intel_psr.c
+++ b/drivers/gpu/drm/i915/display/intel_psr.c
@@ -3216,6 +3216,9 @@ static void intel_psr_work(struct work_struct *work)
got... |
73b60be7f62f1edfef7aac4783878932b2b59ad9 | Analyze and fix the following issue in the Linux kernel code: drm/i915/psr: Do not activate disabled PSR on irq_aux_error | Problem Details:
Currently intel_psr_work is continuing to activation of PSR which was just
disabled when irq_aux_error == true.
Fix this by skipping everything else than intel_psr_handle_irq in
intel_psr_work when irq_aux_error == true.
Signed-off-by: Jouni Högander <jouni.hogander@intel.com>
Reviewed-by: Mika Kahol... | ```diff
diff --git a/drivers/gpu/drm/i915/display/intel_psr.c b/drivers/gpu/drm/i915/display/intel_psr.c
index 4a80f12563f8..86836aa61413 100644
--- a/drivers/gpu/drm/i915/display/intel_psr.c
+++ b/drivers/gpu/drm/i915/display/intel_psr.c
@@ -3211,8 +3211,10 @@ static void intel_psr_work(struct work_struct *work)
if ... |
6b9f301985a35997338b0a0429859b49aff7f352 | Analyze and fix the following issue in the Linux kernel code: docs: networking: Add PPE driver documentation for Qualcomm IPQ9574 SoC | Problem Details:
Add description and high-level diagram for PPE, driver overview and
module enable/debug information.
Signed-off-by: Lei Wei <quic_leiwei@quicinc.com>
Signed-off-by: Luo Jie <quic_luoj@quicinc.com>
Link: https://patch.msgid.link/20250818-qcom_ipq_ppe-v8-2-1d4ff641fce9@quicinc.com
Signed-off-by: Paolo A... | ```diff
diff --git a/Documentation/networking/device_drivers/ethernet/index.rst b/Documentation/networking/device_drivers/ethernet/index.rst
index 40ac552641a3..0b0a3eef6aae 100644
--- a/Documentation/networking/device_drivers/ethernet/index.rst
+++ b/Documentation/networking/device_drivers/ethernet/index.rst
@@ -50,6 ... |
9f6b606b6b37e61427412708411e8e04b1a858e8 | Analyze and fix the following issue in the Linux kernel code: net: airoha: ppe: Do not invalid PPE entries in case of SW hash collision | Problem Details:
SW hash computed by airoha_ppe_foe_get_entry_hash routine (used for
foe_flow hlist) can theoretically produce collisions between two
different HW PPE entries.
In airoha_ppe_foe_insert_entry() if the collision occurs we will mark
the second PPE entry in the list as stale (setting the hw hash to 0xffff).... | ```diff
diff --git a/drivers/net/ethernet/airoha/airoha_ppe.c b/drivers/net/ethernet/airoha/airoha_ppe.c
index 47411d2cbd28..88694b08afa1 100644
--- a/drivers/net/ethernet/airoha/airoha_ppe.c
+++ b/drivers/net/ethernet/airoha/airoha_ppe.c
@@ -736,10 +736,8 @@ static void airoha_ppe_foe_insert_entry(struct airoha_ppe *p... |
d2d7a96b29ea6ab093973a1a37d26126db70c79f | Analyze and fix the following issue in the Linux kernel code: mmc: sdhci_am654: Disable HS400 for AM62P SR1.0 and SR1.1 | Problem Details:
This adds SDHCI_AM654_QUIRK_DISABLE_HS400 quirk which shall be used
to disable HS400 support. AM62P SR1.0 and SR1.1 do not support HS400
due to errata i2458 [0] so disable HS400 for these SoC revisions.
[0] https://www.ti.com/lit/er/sprz574a/sprz574a.pdf
Fixes: 37f28165518f ("arm64: dts: ti: k3-am62p:... | ```diff
diff --git a/drivers/mmc/host/sdhci_am654.c b/drivers/mmc/host/sdhci_am654.c
index e4fc345be7e5..17e62c61b6e6 100644
--- a/drivers/mmc/host/sdhci_am654.c
+++ b/drivers/mmc/host/sdhci_am654.c
@@ -156,6 +156,7 @@ struct sdhci_am654_data {
#define SDHCI_AM654_QUIRK_FORCE_CDTEST BIT(0)
#define SDHCI_AM654_QUIRK... |
41a86f62424ac436cb51e3de612ef1e1ddb0c873 | Analyze and fix the following issue in the Linux kernel code: fs: fix indentation style | Problem Details:
Replace 8 leading spaces with a tab to follow kernel coding style.
Signed-off-by: Guopeng Zhang <zhangguopeng@kylinos.cn>
Link: https://lore.kernel.org/20250820133424.1667467-1-zhangguopeng@kylinos.cn
Signed-off-by: Christian Brauner <brauner@kernel.org> | ```diff
diff --git a/fs/namespace.c b/fs/namespace.c
index ae6d1312b184..51f77c65c0c6 100644
--- a/fs/namespace.c
+++ b/fs/namespace.c
@@ -2455,7 +2455,7 @@ struct vfsmount *clone_private_mount(const struct path *path)
return ERR_PTR(-EINVAL);
}
- if (!ns_capable(old_mnt->mnt_ns->user_ns, CAP_SYS_ADMIN))... |
0599640a21e98f0d6a3e9ff85c0a687c90a8103b | Analyze and fix the following issue in the Linux kernel code: bonding: send LACPDUs periodically in passive mode after receiving partner's LACPDU | Problem Details:
When `lacp_active` is set to `off`, the bond operates in passive mode, meaning
it only "speaks when spoken to." However, the current kernel implementation
only sends an LACPDU in response when the partner's state changes.
As a result, once LACP negotiation succeeds, the actor stops sending LACPDUs
unt... | ```diff
diff --git a/drivers/net/bonding/bond_3ad.c b/drivers/net/bonding/bond_3ad.c
index 414fecfd2a0e..4edc8e6b6b64 100644
--- a/drivers/net/bonding/bond_3ad.c
+++ b/drivers/net/bonding/bond_3ad.c
@@ -95,13 +95,13 @@ static int ad_marker_send(struct port *port, struct bond_marker *marker);
static void ad_mux_machine... |
b64d035f77b1f02ab449393342264b44950a75ae | Analyze and fix the following issue in the Linux kernel code: bonding: update LACP activity flag after setting lacp_active | Problem Details:
The port's actor_oper_port_state activity flag should be updated immediately
after changing the lacp_active option to reflect the current mode correctly.
Fixes: 3a755cd8b7c6 ("bonding: add new option lacp_active")
Signed-off-by: Hangbin Liu <liuhangbin@gmail.com>
Link: https://patch.msgid.link/2025081... | ```diff
diff --git a/drivers/net/bonding/bond_3ad.c b/drivers/net/bonding/bond_3ad.c
index 2fca8e84ab10..414fecfd2a0e 100644
--- a/drivers/net/bonding/bond_3ad.c
+++ b/drivers/net/bonding/bond_3ad.c
@@ -2883,6 +2883,31 @@ void bond_3ad_update_lacp_rate(struct bonding *bond)
spin_unlock_bh(&bond->mode_lock);
}
+/**... |
9db115e231a665e82429ea63e2efda4abd4390fe | Analyze and fix the following issue in the Linux kernel code: ARM: dts: imx6ulz-bsh-smm-m2: fix resume via console | Problem Details:
Despite the current configuration being compliant with the technical
reference manual (TRM), testing on the system showed that resuming from
suspend via UART4 (used as the console) fails unless any other UART
is also enabled.
In our use case, UART2 is enabled to ensure reliable resume when UART4
is us... | ```diff
diff --git a/arch/arm/boot/dts/nxp/imx/imx6ulz-bsh-smm-m2.dts b/arch/arm/boot/dts/nxp/imx/imx6ulz-bsh-smm-m2.dts
index 6159ed70d966..2d9f495660c9 100644
--- a/arch/arm/boot/dts/nxp/imx/imx6ulz-bsh-smm-m2.dts
+++ b/arch/arm/boot/dts/nxp/imx/imx6ulz-bsh-smm-m2.dts
@@ -33,6 +33,10 @@
status = "okay";
};
+&uar... |
5003a65790ed66be882d1987cc2ca86af0de3db1 | Analyze and fix the following issue in the Linux kernel code: ALSA: timer: fix ida_free call while not allocated | Problem Details:
In the snd_utimer_create() function, if the kasprintf() function return
NULL, snd_utimer_put_id() will be called, finally use ida_free()
to free the unallocated id 0.
the syzkaller reported the following information:
------------[ cut here ]------------
ida_free called for id=0 which is not alloca... | ```diff
diff --git a/sound/core/timer.c b/sound/core/timer.c
index 3ce12264eed8..d9fff5c87613 100644
--- a/sound/core/timer.c
+++ b/sound/core/timer.c
@@ -2139,14 +2139,14 @@ static int snd_utimer_create(struct snd_timer_uinfo *utimer_info,
goto err_take_id;
}
+ utimer->id = utimer_id;
+
utimer->name = kasprin... |
1f43a3401debb9d06aa434ec6fecae676963d6f3 | Analyze and fix the following issue in the Linux kernel code: usb: typec: qcom-pmic-typec: use kcalloc() instead of kzalloc() | Problem Details:
Replace devm_kzalloc() with devm_kcalloc() in qcom_pmic_typec_pdphy_probe()
and qcom_pmic_typec_port_probe() for safer memory allocation with built-in
overflow protection.
Signed-off-by: Qianfeng Rong <rongqianfeng@vivo.com>
Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@oss.qualcomm.com>
Reviewed-by... | ```diff
diff --git a/drivers/usb/typec/tcpm/qcom/qcom_pmic_typec_pdphy.c b/drivers/usb/typec/tcpm/qcom/qcom_pmic_typec_pdphy.c
index 18303b34594b..c8b1463e6e8b 100644
--- a/drivers/usb/typec/tcpm/qcom/qcom_pmic_typec_pdphy.c
+++ b/drivers/usb/typec/tcpm/qcom/qcom_pmic_typec_pdphy.c
@@ -567,7 +567,7 @@ int qcom_pmic_typ... |
11c09b55b3d36f5cfa15873e2e0f1e04166bcfd4 | Analyze and fix the following issue in the Linux kernel code: drm/i915/backlight: Fix divide by 0 error in i9xx_set_backlight | Problem Details:
pwm_level_max maybe 0 we do throw a warning but move ahead with
execution which may later cause a /0 error.
--v2
-return if the warn_on gets hit [Jani]
Signed-off-by: Suraj Kandpal <suraj.kandpal@intel.com>
Reviewed-by: Jani Nikula <jani.nikula@intel.com>
Link: https://lore.kernel.org/r/2025081916043... | ```diff
diff --git a/drivers/gpu/drm/i915/display/intel_backlight.c b/drivers/gpu/drm/i915/display/intel_backlight.c
index e007380e9a63..3b14f929825a 100644
--- a/drivers/gpu/drm/i915/display/intel_backlight.c
+++ b/drivers/gpu/drm/i915/display/intel_backlight.c
@@ -236,7 +236,8 @@ static void i9xx_set_backlight(const ... |
136d029662cdde77d3e4db5c07de655f35f0239f | Analyze and fix the following issue in the Linux kernel code: Documentation/staging: Fix typo and incorrect citation in crc32.rst | Problem Details:
In Documentation/staging/crc32.rst, below errors have been corrected:
1. Line 37: from "to being" to "to bring"
2. Line 119: Incorrect citation date:
It must be August 1988 instead of August 1998
Signed-off-by: Rakuram Eswaran <rakuram.e96@gmail.com>
Link: https://lore.kernel.org/r/2025082016261... | ```diff
diff --git a/Documentation/staging/crc32.rst b/Documentation/staging/crc32.rst
index 7542220967cb..64f3dd430a6c 100644
--- a/Documentation/staging/crc32.rst
+++ b/Documentation/staging/crc32.rst
@@ -34,7 +34,7 @@ do it in the right order, matching the endianness.
Just like with ordinary division, you proceed o... |
c42be534547d6e45c155c347dd792b6ad9c24def | Analyze and fix the following issue in the Linux kernel code: Revert "net: cadence: macb: sama7g5_emac: Remove USARIO CLKEN flag" | Problem Details:
This reverts commit db400061b5e7cc55f9b4dd15443e9838964119ea.
This commit can cause a Devicetree ABI break for older DTS files that rely this
flag for RMII configuration. Adding this back in ensures that the older
DTBs will not break.
Fixes: db400061b5e7 ("net: cadence: macb: sama7g5_emac: Remove USA... | ```diff
diff --git a/drivers/net/ethernet/cadence/macb_main.c b/drivers/net/ethernet/cadence/macb_main.c
index ce95fad8cedd..9693f0289435 100644
--- a/drivers/net/ethernet/cadence/macb_main.c
+++ b/drivers/net/ethernet/cadence/macb_main.c
@@ -5113,7 +5113,8 @@ static const struct macb_config sama7g5_gem_config = {
s... |
a458b2902115b26a25d67393b12ddd57d1216aaa | Analyze and fix the following issue in the Linux kernel code: ipv6: sr: Fix MAC comparison to be constant-time | Problem Details:
To prevent timing attacks, MACs need to be compared in constant time.
Use the appropriate helper function for this.
Fixes: bf355b8d2c30 ("ipv6: sr: add core files for SR HMAC support")
Cc: stable@vger.kernel.org
Signed-off-by: Eric Biggers <ebiggers@kernel.org>
Reviewed-by: Andrea Mayer <andrea.mayer@... | ```diff
diff --git a/net/ipv6/seg6_hmac.c b/net/ipv6/seg6_hmac.c
index d77b52523b6a..fd58426f222b 100644
--- a/net/ipv6/seg6_hmac.c
+++ b/net/ipv6/seg6_hmac.c
@@ -35,6 +35,7 @@
#include <net/xfrm.h>
#include <crypto/hash.h>
+#include <crypto/utils.h>
#include <net/seg6.h>
#include <net/genetlink.h>
#include <net... |
7af76e9d18a9fd6f8611b3313c86c190f9b6a5a7 | Analyze and fix the following issue in the Linux kernel code: net, hsr: reject HSR frame if skb can't hold tag | Problem Details:
Receiving HSR frame with insufficient space to hold HSR tag in the skb
can result in a crash (kernel BUG):
[ 45.390915] skbuff: skb_under_panic: text:ffffffff86f32cac len:26 put:14 head:ffff888042418000 data:ffff888042417ff4 tail:0xe end:0x180 dev:bridge_slave_1
[ 45.392559] ------------[ cut here... | ```diff
diff --git a/net/hsr/hsr_slave.c b/net/hsr/hsr_slave.c
index b87b6a6fe070..102eccf5ead7 100644
--- a/net/hsr/hsr_slave.c
+++ b/net/hsr/hsr_slave.c
@@ -63,8 +63,14 @@ static rx_handler_result_t hsr_handle_frame(struct sk_buff **pskb)
skb_push(skb, ETH_HLEN);
skb_reset_mac_header(skb);
if ((!hsr->prot_versi... |
eacb6e408dc861fb93baf10d6837204a3b39e915 | Analyze and fix the following issue in the Linux kernel code: selftests: net: bpf_offload: print loaded programs on mismatch | Problem Details:
The test sometimes fails due to an unexpected number of loaded programs. e.g
FAIL: 2 BPF programs loaded, expected 1
File "/usr/libexec/kselftests/net/./bpf_offload.py", line 940, in <module>
progs = bpftool_prog_list(expected=1)
File "/usr/libexec/kselftests/net/./bpf_offload.py", lin... | ```diff
diff --git a/tools/testing/selftests/net/bpf_offload.py b/tools/testing/selftests/net/bpf_offload.py
index b2c271b79240..c856d266c8f3 100755
--- a/tools/testing/selftests/net/bpf_offload.py
+++ b/tools/testing/selftests/net/bpf_offload.py
@@ -184,8 +184,8 @@ def bpftool_prog_list(expected=None, ns="", exclude_o... |
2c2192e5f9c7c2892fe2363244d1387f62710d83 | Analyze and fix the following issue in the Linux kernel code: net/sched: Remove unnecessary WARNING condition for empty child qdisc in htb_activate | Problem Details:
The WARN_ON trigger based on !cl->leaf.q->q.qlen is unnecessary in
htb_activate. htb_dequeue_tree already accounts for that scenario.
Fixes: 1da177e4c3f4 ("Linux-2.6.12-rc2")
Signed-off-by: William Liu <will@willsroot.io>
Reviewed-by: Savino Dicanosa <savy@syst3mfailure.io>
Link: https://patch.msgid.l... | ```diff
diff --git a/net/sched/sch_htb.c b/net/sched/sch_htb.c
index c968ea763774..b5e40c51655a 100644
--- a/net/sched/sch_htb.c
+++ b/net/sched/sch_htb.c
@@ -592,7 +592,7 @@ htb_change_class_mode(struct htb_sched *q, struct htb_class *cl, s64 *diff)
*/
static inline void htb_activate(struct htb_sched *q, struct htb... |
15de71d06a400f7fdc15bf377a2552b0ec437cf5 | Analyze and fix the following issue in the Linux kernel code: net/sched: Make cake_enqueue return NET_XMIT_CN when past buffer_limit | Problem Details:
The following setup can trigger a WARNING in htb_activate due to
the condition: !cl->leaf.q->q.qlen
tc qdisc del dev lo root
tc qdisc add dev lo root handle 1: htb default 1
tc class add dev lo parent 1: classid 1:1 \
htb rate 64bit
tc qdisc add dev lo parent 1:1 handle f: \
cake memlimi... | ```diff
diff --git a/net/sched/sch_cake.c b/net/sched/sch_cake.c
index dbcfb948c867..32bacfc314c2 100644
--- a/net/sched/sch_cake.c
+++ b/net/sched/sch_cake.c
@@ -1750,7 +1750,7 @@ static s32 cake_enqueue(struct sk_buff *skb, struct Qdisc *sch,
ktime_t now = ktime_get();
struct cake_tin_data *b;
struct cake_flow ... |
e318cd6714592fb762fcab59c5684a442243a12f | Analyze and fix the following issue in the Linux kernel code: net: dsa: microchip: Fix KSZ9477 HSR port setup issue | Problem Details:
ksz9477_hsr_join() is called once to setup the HSR port membership, but
the port can be enabled later, or disabled and enabled back and the port
membership is not set correctly inside ksz_update_port_member(). The
added code always use the correct HSR port membership for HSR port that
is enabled.
Fix... | ```diff
diff --git a/drivers/net/dsa/microchip/ksz_common.c b/drivers/net/dsa/microchip/ksz_common.c
index 4cb14288ff0f..9568cc391fe3 100644
--- a/drivers/net/dsa/microchip/ksz_common.c
+++ b/drivers/net/dsa/microchip/ksz_common.c
@@ -2457,6 +2457,12 @@ static void ksz_update_port_member(struct ksz_device *dev, int por... |
1468c1f97cf32418e34dbb40b784ed9333b9e123 | Analyze and fix the following issue in the Linux kernel code: igc: fix disabling L1.2 PCI-E link substate on I226 on init | Problem Details:
Device ID comparison in igc_is_device_id_i226 is performed before
the ID is set, resulting in always failing check on init.
Before the patch:
* L1.2 is not disabled on init
* L1.2 is properly disabled after suspend-resume cycle
With the patch:
* L1.2 is properly disabled both on init and after suspen... | ```diff
diff --git a/drivers/net/ethernet/intel/igc/igc_main.c b/drivers/net/ethernet/intel/igc/igc_main.c
index 458e5eaa92e5..e79b14d50b24 100644
--- a/drivers/net/ethernet/intel/igc/igc_main.c
+++ b/drivers/net/ethernet/intel/igc/igc_main.c
@@ -7149,6 +7149,13 @@ static int igc_probe(struct pci_dev *pdev,
adapter->... |
f3d9f7fa7f5dbfd4fdb1e69c25fc5627700d19dd | Analyze and fix the following issue in the Linux kernel code: ixgbe: fix ndo_xdp_xmit() workloads | Problem Details:
Currently ixgbe driver checks periodically in its watchdog subtask if
there is anything to be transmitted (considering both Tx and XDP rings)
under state of carrier not being 'ok'. Such event is interpreted as Tx
hang and therefore results in interface reset.
This is currently problematic for ndo_xdp_... | ```diff
diff --git a/drivers/net/ethernet/intel/ixgbe/ixgbe_main.c b/drivers/net/ethernet/intel/ixgbe/ixgbe_main.c
index 6122a0abb41f..80e6a2ef1350 100644
--- a/drivers/net/ethernet/intel/ixgbe/ixgbe_main.c
+++ b/drivers/net/ethernet/intel/ixgbe/ixgbe_main.c
@@ -968,10 +968,6 @@ static void ixgbe_update_xoff_rx_lfc(str... |
4d4d9ef9dfee877d494e5418f68a1016ef08cad6 | Analyze and fix the following issue in the Linux kernel code: ixgbe: xsk: resolve the negative overflow of budget in ixgbe_xmit_zc | Problem Details:
Resolve the budget negative overflow which leads to returning true in
ixgbe_xmit_zc even when the budget of descs are thoroughly consumed.
Before this patch, when the budget is decreased to zero and finishes
sending the last allowed desc in ixgbe_xmit_zc, it will always turn back
and enter into the wh... | ```diff
diff --git a/drivers/net/ethernet/intel/ixgbe/ixgbe_xsk.c b/drivers/net/ethernet/intel/ixgbe/ixgbe_xsk.c
index ac58964b2f08..7b941505a9d0 100644
--- a/drivers/net/ethernet/intel/ixgbe/ixgbe_xsk.c
+++ b/drivers/net/ethernet/intel/ixgbe/ixgbe_xsk.c
@@ -398,7 +398,7 @@ static bool ixgbe_xmit_zc(struct ixgbe_ring *... |
c81f6ce16785cc07ae81f53deb07b662ed0bb3a5 | Analyze and fix the following issue in the Linux kernel code: of: dynamic: Fix memleak when of_pci_add_properties() failed | Problem Details:
When of_pci_add_properties() failed, of_changeset_destroy() is called to
free the changeset. And of_changeset_destroy() puts device tree node in
each entry but does not free property in the entry. This leads to memory
leak in the failure case.
In of_changeset_add_prop_helper(), add the property to the... | ```diff
diff --git a/drivers/of/dynamic.c b/drivers/of/dynamic.c
index 0aba760f7577..dd30b7d8b5e4 100644
--- a/drivers/of/dynamic.c
+++ b/drivers/of/dynamic.c
@@ -938,6 +938,9 @@ static int of_changeset_add_prop_helper(struct of_changeset *ocs,
if (ret)
__of_prop_free(new_pp);
+ new_pp->next = np->deadprops;
+ n... |
729dc340a4ed1267774fc8518284e976e2210bdc | Analyze and fix the following issue in the Linux kernel code: bootconfig: Fix negative seeks on 32-bit with LFS enabled | Problem Details:
Commit 26dda5769509 "tools/bootconfig: Cleanup bootconfig footer size
calculations" replaced some expressions of type int with the
BOOTCONFIG_FOOTER_SIZE macro, which expands to an expression of type
size_t, which is unsigned.
On 32-bit architectures with LFS enabled (i.e. off_t is 64-bit), the
seek o... | ```diff
diff --git a/tools/bootconfig/main.c b/tools/bootconfig/main.c
index 57c669d2aa90..55d59ed507d5 100644
--- a/tools/bootconfig/main.c
+++ b/tools/bootconfig/main.c
@@ -193,7 +193,7 @@ static int load_xbc_from_initrd(int fd, char **buf)
if (stat.st_size < BOOTCONFIG_FOOTER_SIZE)
return 0;
- if (lseek(fd, -... |
6238784e502b6a9fbeb3a6b77284b29baa4135cc | Analyze and fix the following issue in the Linux kernel code: PCI/P2PDMA: Fix incorrect pointer usage in devm_kfree() call | Problem Details:
The error handling path in pci_p2pdma_add_resource() contains a bug in its
`pgmap_free` label.
Memory is allocated for the `p2p_pgmap` struct, and the pointer is stored
in `p2p_pgmap`. However, the error path calls devm_kfree() with `pgmap`,
which is a pointer to a member field within the `p2p_pgmap` ... | ```diff
diff --git a/drivers/pci/p2pdma.c b/drivers/pci/p2pdma.c
index da5657a02007..1cb5e423eed4 100644
--- a/drivers/pci/p2pdma.c
+++ b/drivers/pci/p2pdma.c
@@ -360,7 +360,7 @@ int pci_p2pdma_add_resource(struct pci_dev *pdev, int bar, size_t size,
pages_free:
devm_memunmap_pages(&pdev->dev, pgmap);
pgmap_free:
-... |
f9a4c582e508c210d1e8e70493a69c6e5708476c | Analyze and fix the following issue in the Linux kernel code: remoteproc: k3: Remove remote processor mailbox ping | Problem Details:
As of today, pinging the remote processor during k3_rproc_request_mbox()
does not have any functional effect. This behavior was originally based on
the OMAP remoteproc driver, where the idea was to send messages such as
suspend requests (among others) to the remote processor, but this was
never upstrea... | ```diff
diff --git a/drivers/remoteproc/ti_k3_common.c b/drivers/remoteproc/ti_k3_common.c
index d4f20900f33b..8266e11914af 100644
--- a/drivers/remoteproc/ti_k3_common.c
+++ b/drivers/remoteproc/ti_k3_common.c
@@ -160,7 +160,6 @@ int k3_rproc_request_mbox(struct rproc *rproc)
struct k3_rproc *kproc = rproc->priv;
... |
c4c432dfb00fcb69d56cc9778f527cce71cec9bb | Analyze and fix the following issue in the Linux kernel code: remoteproc: imx_dsp_rproc: Add support of recovery and coredump process | Problem Details:
When enabled FW recovery, but is broken because software reset is missed
in this recovery flow. So move software reset from
imx_dsp_runtime_resume() to .load() and clear memory before loading
firmware to make recovery work.
Add call rproc_coredump_set_elf_info() to initialize the elf info for
coredump... | ```diff
diff --git a/drivers/remoteproc/imx_dsp_rproc.c b/drivers/remoteproc/imx_dsp_rproc.c
index 5ee622bf5352..6e78a01755c7 100644
--- a/drivers/remoteproc/imx_dsp_rproc.c
+++ b/drivers/remoteproc/imx_dsp_rproc.c
@@ -774,7 +774,6 @@ static int imx_dsp_rproc_prepare(struct rproc *rproc)
{
struct imx_dsp_rproc *priv... |
e94536e1d1818b0989aa19b443b7089f50133c35 | Analyze and fix the following issue in the Linux kernel code: HID: input: report battery status changes immediately | Problem Details:
Previously, the battery status (charging/discharging) was not reported
immediately to user-space.
For most input devices, this wasn't problematic because changing their
battery status requires connecting them to a different bus.
For example, a gamepad would report a discharging status while
connected... | ```diff
diff --git a/drivers/hid/hid-input.c b/drivers/hid/hid-input.c
index 262787e6eb20..f45f856a127f 100644
--- a/drivers/hid/hid-input.c
+++ b/drivers/hid/hid-input.c
@@ -609,13 +609,19 @@ static bool hidinput_update_battery_charge_status(struct hid_device *dev,
return false;
}
-static void hidinput_update_bat... |
a82231b2a8712d0218fc286a9b0da328d419a3f4 | Analyze and fix the following issue in the Linux kernel code: HID: input: rename hidinput_set_battery_charge_status() | Problem Details:
In preparation for a patch fixing a bug affecting
hidinput_set_battery_charge_status(), rename the function to
hidinput_update_battery_charge_status() and move it up so it can be used
by hidinput_update_battery().
Refactor, no functional changes.
Tested-by: 卢国宏 <luguohong@xiaomi.com>
Signed-off-by: J... | ```diff
diff --git a/drivers/hid/hid-input-test.c b/drivers/hid/hid-input-test.c
index 77c2d45ac62a..6f5c71660d82 100644
--- a/drivers/hid/hid-input-test.c
+++ b/drivers/hid/hid-input-test.c
@@ -7,7 +7,7 @@
#include <kunit/test.h>
-static void hid_test_input_set_battery_charge_status(struct kunit *test)
+static vo... |
ff11d8701b77e303593fd86cf9ef74ef3ac4048e | Analyze and fix the following issue in the Linux kernel code: f2fs: fix to allow removing qf_name | Problem Details:
The mount behavior changed after commit d18535132523 ("f2fs: separate the
options parsing and options checking"), let's fix it.
[Scripts]
mkfs.f2fs -f /dev/vdb
mount -t f2fs -o usrquota /dev/vdb /mnt/f2fs
quotacheck -uc /mnt/f2fs
umount /mnt/f2fs
mount -t f2fs -o usrjquota=aquota.user,jqfmt=vfsold /de... | ```diff
diff --git a/fs/f2fs/super.c b/fs/f2fs/super.c
index 465604fdc5dd..07f6c8cac07a 100644
--- a/fs/f2fs/super.c
+++ b/fs/f2fs/super.c
@@ -1219,8 +1219,11 @@ static int f2fs_check_quota_consistency(struct fs_context *fc,
goto err_jquota_change;
if (old_qname) {
- if (new_qname &&
- strcmp(old_qnam... |
930a9a6ee8e7ffa20af4bffbfc2bbd21d83bf81c | Analyze and fix the following issue in the Linux kernel code: f2fs: fix to avoid NULL pointer dereference in f2fs_check_quota_consistency() | Problem Details:
syzbot reported a f2fs bug as below:
Oops: gen[ 107.736417][ T5848] Oops: general protection fault, probably for non-canonical address 0xdffffc0000000000: 0000 [#1] SMP KASAN PTI
KASAN: null-ptr-deref in range [0x0000000000000000-0x0000000000000007]
CPU: 1 UID: 0 PID: 5848 Comm: syz-executor263 Taint... | ```diff
diff --git a/fs/f2fs/super.c b/fs/f2fs/super.c
index 5aa9d650512d..465604fdc5dd 100644
--- a/fs/f2fs/super.c
+++ b/fs/f2fs/super.c
@@ -1219,7 +1219,8 @@ static int f2fs_check_quota_consistency(struct fs_context *fc,
goto err_jquota_change;
if (old_qname) {
- if (strcmp(old_qname, new_qname) == 0) ... |
8fc6056dcf79937c46c97fa4996cda65956437a9 | Analyze and fix the following issue in the Linux kernel code: f2fs: fix to detect potential corrupted nid in free_nid_list | Problem Details:
As reported, on-disk footer.ino and footer.nid is the same and
out-of-range, let's add sanity check on f2fs_alloc_nid() to detect
any potential corruption in free_nid_list.
Signed-off-by: Chao Yu <chao@kernel.org>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org> | ```diff
diff --git a/fs/f2fs/node.c b/fs/f2fs/node.c
index 27743b93e186..286e8a53f8e7 100644
--- a/fs/f2fs/node.c
+++ b/fs/f2fs/node.c
@@ -27,12 +27,17 @@ static struct kmem_cache *free_nid_slab;
static struct kmem_cache *nat_entry_set_slab;
static struct kmem_cache *fsync_node_entry_slab;
+static inline bool is_in... |
2e8f4c2b2bb12fc3d40762f1bb778e95c6ddbc93 | Analyze and fix the following issue in the Linux kernel code: f2fs: fix to clear unusable_cap for checkpoint=enable | Problem Details:
mount -t f2fs -o checkpoint=disable:10% /dev/vdb /mnt/f2fs/
mount -t f2fs -o remount,checkpoint=enable /dev/vdb /mnt/f2fs/
kernel log:
F2FS-fs (vdb): Adjust unusable cap for checkpoint=disable = 204440 / 10%
If we has assigned checkpoint=enable mount option, unusable_cap{,_perc}
parameters of checkpo... | ```diff
diff --git a/fs/f2fs/super.c b/fs/f2fs/super.c
index 0638ae9816ac..195ec6e598d2 100644
--- a/fs/f2fs/super.c
+++ b/fs/f2fs/super.c
@@ -998,6 +998,10 @@ static int f2fs_parse_param(struct fs_context *fc, struct fs_parameter *param)
ctx_set_opt(ctx, F2FS_MOUNT_DISABLE_CHECKPOINT);
break;
case Opt_check... |
39aaa337449e71a41d4813be0226a722827ba606 | Analyze and fix the following issue in the Linux kernel code: dmaengine: idxd: Fix double free in idxd_setup_wqs() | Problem Details:
The clean up in idxd_setup_wqs() has had a couple bugs because the error
handling is a bit subtle. It's simpler to just re-write it in a cleaner
way. The issues here are:
1) If "idxd->max_wqs" is <= 0 then we call put_device(conf_dev) when
"conf_dev" hasn't been initialized.
2) If kzalloc_node() ... | ```diff
diff --git a/drivers/dma/idxd/init.c b/drivers/dma/idxd/init.c
index efe614a528fa..8c4725ad1f64 100644
--- a/drivers/dma/idxd/init.c
+++ b/drivers/dma/idxd/init.c
@@ -189,27 +189,30 @@ static int idxd_setup_wqs(struct idxd_device *idxd)
idxd->wq_enable_map = bitmap_zalloc_node(idxd->max_wqs, GFP_KERNEL, dev_t... |
b7cb9a034305d52222433fad10c3de10204f29e7 | Analyze and fix the following issue in the Linux kernel code: dmaengine: idxd: Fix refcount underflow on module unload | Problem Details:
A recent refactor introduced a misplaced put_device() call, resulting in a
reference count underflow during module unload.
There is no need to add additional put_device() calls for idxd groups,
engines, or workqueues. Although the commit claims: "Note, this also
fixes the missing put_device() for idxd... | ```diff
diff --git a/drivers/dma/idxd/init.c b/drivers/dma/idxd/init.c
index 487268fc527b..efe614a528fa 100644
--- a/drivers/dma/idxd/init.c
+++ b/drivers/dma/idxd/init.c
@@ -1291,7 +1291,10 @@ static void idxd_remove(struct pci_dev *pdev)
device_unregister(idxd_confdev(idxd));
idxd_shutdown(pdev);
idxd_device_re... |
f41c538881eec4dcf5961a242097d447f848cda6 | Analyze and fix the following issue in the Linux kernel code: dmaengine: idxd: Remove improper idxd_free | Problem Details:
The call to idxd_free() introduces a duplicate put_device() leading to a
reference count underflow:
refcount_t: underflow; use-after-free.
WARNING: CPU: 15 PID: 4428 at lib/refcount.c:28 refcount_warn_saturate+0xbe/0x110
...
Call Trace:
<TASK>
idxd_remove+0xe4/0x120 [idxd]
pci_device_remove+0x3f/0... | ```diff
diff --git a/drivers/dma/idxd/init.c b/drivers/dma/idxd/init.c
index 35bdefd3728b..487268fc527b 100644
--- a/drivers/dma/idxd/init.c
+++ b/drivers/dma/idxd/init.c
@@ -1294,7 +1294,6 @@ static void idxd_remove(struct pci_dev *pdev)
idxd_cleanup(idxd);
pci_iounmap(pdev, idxd->reg_base);
put_device(idxd_conf... |
72dd8b2914b5db1dccf902971c2ea6b541711b28 | Analyze and fix the following issue in the Linux kernel code: dmaengine: zynqmp_dma: Add shutdown operation support | Problem Details:
Add shutdown callback to ensure that DMA operations are properly stopped
and resources are released during system shutdown or kexec operations.
Fix incorrect PM state handling in the remove function that was causing
clock disable warnings during the shutdown operations, which was not
implemented earlie... | ```diff
diff --git a/drivers/dma/xilinx/zynqmp_dma.c b/drivers/dma/xilinx/zynqmp_dma.c
index d05fc5fcc77d..f7e584de4335 100644
--- a/drivers/dma/xilinx/zynqmp_dma.c
+++ b/drivers/dma/xilinx/zynqmp_dma.c
@@ -1173,9 +1173,9 @@ static void zynqmp_dma_remove(struct platform_device *pdev)
dma_async_device_unregister(&zdev... |
5f54134428b48261151c725c64b40be54e373345 | Analyze and fix the following issue in the Linux kernel code: phy: renesas: rcar-gen3-usb2: Move debug print after register value is updated | Problem Details:
Relocate the debug print in rcar_gen3_enable_vbus_ctrl() to appear after
the `val` variable is assigned and updated based on the VBUS state. This
ensures that the debug log reflects the actual register value being
written, improving debugging accuracy.
Signed-off-by: Lad Prabhakar <prabhakar.mahadev-l... | ```diff
diff --git a/drivers/phy/renesas/phy-rcar-gen3-usb2.c b/drivers/phy/renesas/phy-rcar-gen3-usb2.c
index 8caef9cb228c..7b4a6e8b7508 100644
--- a/drivers/phy/renesas/phy-rcar-gen3-usb2.c
+++ b/drivers/phy/renesas/phy-rcar-gen3-usb2.c
@@ -211,7 +211,6 @@ static void rcar_gen3_enable_vbus_ctrl(struct rcar_gen3_chan ... |
896277138c1344cf9f5c415298f048ee29da274d | Analyze and fix the following issue in the Linux kernel code: phy: qcom: qmp-combo: register a typec mux to change the QMPPHY_MODE | Problem Details:
Register a typec mux in order to change the PHY mode on the Type-C
mux events depending on the mode and the svid when in Altmode setup.
The DisplayPort phy should be left enabled if is still powered on
by the DRM DisplayPort controller, so bail out until the DisplayPort
PHY is not powered off.
The Ty... | ```diff
diff --git a/drivers/phy/qualcomm/phy-qcom-qmp-combo.c b/drivers/phy/qualcomm/phy-qcom-qmp-combo.c
index c65837fc9e4c..7b5af30f1d02 100644
--- a/drivers/phy/qualcomm/phy-qcom-qmp-combo.c
+++ b/drivers/phy/qualcomm/phy-qcom-qmp-combo.c
@@ -19,6 +19,7 @@
#include <linux/reset.h>
#include <linux/slab.h>
#includ... |
dd7ddd082206f675e967c205df2a35b9c4e64949 | Analyze and fix the following issue in the Linux kernel code: mmc: sdhci-cadence: Fix -Wuninitialized in sdhci_cdns_tune_blkgap() | Problem Details:
Clang warns (or errors with CONFIG_WERROR=y):
drivers/mmc/host/sdhci-cadence.c:297:9: error: variable 'hrs37_mode' is uninitialized when used here [-Werror,-Wuninitialized]
297 | writel(hrs37_mode, hrs37_reg);
| ^~~~~~~~~~
drivers/mmc/host/sdhci-cadence.c:291:16:... | ```diff
diff --git a/drivers/mmc/host/sdhci-cadence.c b/drivers/mmc/host/sdhci-cadence.c
index a2a4a5b0ab96..eaa88897a256 100644
--- a/drivers/mmc/host/sdhci-cadence.c
+++ b/drivers/mmc/host/sdhci-cadence.c
@@ -288,13 +288,12 @@ static int sdhci_cdns_tune_blkgap(struct mmc_host *mmc)
void __iomem *hrs38_reg = priv->h... |
6627be03d3e1195b22172554191365378c3460e7 | Analyze and fix the following issue in the Linux kernel code: drm/xe/tuning: Apply "Disable NULL query for Anyhit Shader" to Xe2 | Problem Details:
Extend the "Disable NULL query for Anyhit Shader" tuning to Xe2
(graphics version 2000+) platforms, in addition to Xe3.
This sets the DIS_NULL_QUERY bit in RT_CTRL to disable null query
for Anyhit shaders on both Xe2 and Xe3.
This is a change in behavior that can regress a userspace not
prepared for ... | ```diff
diff --git a/drivers/gpu/drm/xe/xe_tuning.c b/drivers/gpu/drm/xe/xe_tuning.c
index 828b45b24c23..a524170a04d0 100644
--- a/drivers/gpu/drm/xe/xe_tuning.c
+++ b/drivers/gpu/drm/xe/xe_tuning.c
@@ -99,7 +99,7 @@ static const struct xe_rtp_entry_sr engine_tunings[] = {
XE_RTP_ACTIONS(SET(SAMPLER_MODE, INDIRECT_... |
dce1b33ed7430c7189b8cc1567498f9e6bf12731 | Analyze and fix the following issue in the Linux kernel code: selftests: harness: Rename is_signed_type() to avoid collision with overflow.h | Problem Details:
Rename is_signed_type() to is_signed_var() to avoid colliding with a macro
of the same name defined by tools' linux/overflow.h. This fixes warnings
(and presumably potential test failures) in tests that utilize the
selftests harness and happen to (indirectly) include overflow.h.
In file included fr... | ```diff
diff --git a/tools/testing/selftests/kselftest_harness.h b/tools/testing/selftests/kselftest_harness.h
index 2925e47db995..8516e8434bc4 100644
--- a/tools/testing/selftests/kselftest_harness.h
+++ b/tools/testing/selftests/kselftest_harness.h
@@ -751,7 +751,7 @@
for (; _metadata->trigger; _metadata->trigger =... |
0dfd9ea7bf80fabe11f5b775d762a5cd168cdf41 | Analyze and fix the following issue in the Linux kernel code: LoongArch: KVM: Use kvm_get_vcpu_by_id() instead of kvm_get_vcpu() | Problem Details:
Since using kvm_get_vcpu() may fail to retrieve the vCPU context,
kvm_get_vcpu_by_id() should be used instead.
Fixes: 8e3054261bc3 ("LoongArch: KVM: Add IPI user mode read and write function")
Fixes: 3956a52bc05b ("LoongArch: KVM: Add EIOINTC read and write functions")
Reviewed-by: Yanteng Si <siyante... | ```diff
diff --git a/arch/loongarch/kvm/intc/eiointc.c b/arch/loongarch/kvm/intc/eiointc.c
index a3a12af9ecbf..026b139dcff2 100644
--- a/arch/loongarch/kvm/intc/eiointc.c
+++ b/arch/loongarch/kvm/intc/eiointc.c
@@ -45,7 +45,12 @@ static void eiointc_update_irq(struct loongarch_eiointc *s, int irq, int level)
}
cp... |
5c68549c81bcca70fc464e305ffeefd9af968287 | Analyze and fix the following issue in the Linux kernel code: LoongArch: KVM: Fix stack protector issue in send_ipi_data() | Problem Details:
Function kvm_io_bus_read() is called in function send_ipi_data(), buffer
size of parameter *val should be at least 8 bytes. Since some emulation
functions like loongarch_ipi_readl() and kvm_eiointc_read() will write
the buffer *val with 8 bytes signed extension regardless parameter len.
Otherwise ther... | ```diff
diff --git a/arch/loongarch/kvm/intc/ipi.c b/arch/loongarch/kvm/intc/ipi.c
index e658d5b37c04..7925651d2ccf 100644
--- a/arch/loongarch/kvm/intc/ipi.c
+++ b/arch/loongarch/kvm/intc/ipi.c
@@ -99,7 +99,7 @@ static void write_mailbox(struct kvm_vcpu *vcpu, int offset, uint64_t data, int
static int send_ipi_data(s... |
ec879e1a0be8007aa232ffedcf6a6445dfc1a3d7 | Analyze and fix the following issue in the Linux kernel code: tracing: fprobe-event: Sanitize wildcard for fprobe event name | Problem Details:
Fprobe event accepts wildcards for the target functions, but unless user
specifies its event name, it makes an event with the wildcards.
/sys/kernel/tracing # echo 'f mutex*' >> dynamic_events
/sys/kernel/tracing # cat dynamic_events
f:fprobes/mutex*__entry mutex*
/sys/kernel/tracing # ls even... | ```diff
diff --git a/kernel/trace/trace.h b/kernel/trace/trace.h
index 1dbf1d3cf2f1..5a6688832da8 100644
--- a/kernel/trace/trace.h
+++ b/kernel/trace/trace.h
@@ -2204,7 +2204,7 @@ static inline bool is_good_system_name(const char *name)
static inline void sanitize_event_name(char *name)
{
while (*name++ != '\0')
-... |
93f616ff870a1fb7e84d472cad0af651b18f9f87 | Analyze and fix the following issue in the Linux kernel code: s390/mm: Do not map lowcore with identity mapping | Problem Details:
Since the identity mapping is pinned to address zero the lowcore is always
also mapped to address zero, this happens regardless of the relocate_lowcore
command line option. If the option is specified the lowcore is mapped
twice, instead of only once.
This means that NULL pointer accesses will succeed ... | ```diff
diff --git a/arch/s390/boot/vmem.c b/arch/s390/boot/vmem.c
index 1d073acd05a7..cea3de4dce8c 100644
--- a/arch/s390/boot/vmem.c
+++ b/arch/s390/boot/vmem.c
@@ -530,6 +530,9 @@ void setup_vmem(unsigned long kernel_start, unsigned long kernel_end, unsigned l
lowcore_address + sizeof(struct lowcore),
POPU... |
430fa71027b6ac9bb0ce5532b8d0676777d4219a | Analyze and fix the following issue in the Linux kernel code: s390/sclp: Fix SCCB present check | Problem Details:
Tracing code called by the SCLP interrupt handler contains early exits
if the SCCB address associated with an interrupt is NULL. This check is
performed after physical to virtual address translation.
If the kernel identity mapping does not start at address zero, the
resulting virtual address is never ... | ```diff
diff --git a/drivers/s390/char/sclp.c b/drivers/s390/char/sclp.c
index f2e42c1d51aa..98e334724a62 100644
--- a/drivers/s390/char/sclp.c
+++ b/drivers/s390/char/sclp.c
@@ -77,6 +77,13 @@ unsigned long sclp_console_full;
/* The currently active SCLP command word. */
static sclp_cmdw_t active_cmd;
+static inli... |
8d13d1bdb59d0a2c526869ee571ec51a3a887463 | Analyze and fix the following issue in the Linux kernel code: ASoC: cs35l56: Remove SoundWire Clock Divider workaround for CS35L63 | Problem Details:
Production silicon for CS36L63 has some small differences compared to
pre-production silicon. Remove soundwire clock workaround as no
longer necessary. We don't want to do tricks with low-level clocking
controls if we don't need to.
Fixes: 978858791ced ("ASoC: cs35l56: Add initial support for CS35L63 ... | ```diff
diff --git a/sound/soc/codecs/cs35l56-sdw.c b/sound/soc/codecs/cs35l56-sdw.c
index ee14031695a1..3905c9cb188a 100644
--- a/sound/soc/codecs/cs35l56-sdw.c
+++ b/sound/soc/codecs/cs35l56-sdw.c
@@ -393,74 +393,6 @@ static int cs35l56_sdw_update_status(struct sdw_slave *peripheral,
return 0;
}
-static int cs35... |
8dadc11b67d4b83deff45e4889b3b5540b9c0a7f | Analyze and fix the following issue in the Linux kernel code: ASoC: cs35l56: Handle new algorithms IDs for CS35L63 | Problem Details:
CS35L63 uses different algorithm IDs from CS35L56.
Add a new mechanism to handle different alg IDs between parts in the
CS35L56 driver.
Fixes: 978858791ced ("ASoC: cs35l56: Add initial support for CS35L63 for I2C and SoundWire")
Signed-off-by: Richard Fitzgerald <rf@opensource.cirrus.com>
Signed-off-... | ```diff
diff --git a/include/sound/cs35l56.h b/include/sound/cs35l56.h
index f44aabde805e..7c8bbe8ad1e2 100644
--- a/include/sound/cs35l56.h
+++ b/include/sound/cs35l56.h
@@ -306,6 +306,7 @@ struct cs35l56_base {
struct gpio_desc *reset_gpio;
struct cs35l56_spi_payload *spi_payload_buf;
const struct cs35l56_fw_re... |
f135fb24ef29335b94921077588cae445bc7f099 | Analyze and fix the following issue in the Linux kernel code: ASoC: cs35l56: Update Firmware Addresses for CS35L63 for production silicon | Problem Details:
Production silicon for CS36L63 has some small differences compared to
pre-production silicon. Update firmware addresses, which are different.
No product was ever released with pre-production silicon so there is no
need for the driver to include support for it.
Fixes: 978858791ced ("ASoC: cs35l56: Add... | ```diff
diff --git a/include/sound/cs35l56.h b/include/sound/cs35l56.h
index e17c4cadd04d..f44aabde805e 100644
--- a/include/sound/cs35l56.h
+++ b/include/sound/cs35l56.h
@@ -107,8 +107,8 @@
#define CS35L56_DSP1_PMEM_5114 0x3804FE8
#define CS35L63_DSP1_FW_VER CS35L56_DSP1_FW_VER
-#define CS35L63_DSP1_HALO_STA... |
0078e94a4733454d1ffa3888afe88bf19c81b91c | Analyze and fix the following issue in the Linux kernel code: LoongArch: Rename GCC_PLUGIN_STACKLEAK to KSTACK_ERASE | Problem Details:
Commit 57fbad15c2eee772 ("stackleak: Rename STACKLEAK to KSTACK_ERASE")
misses the stackframe.h part for LoongArch, so fix it.
Fixes: 57fbad15c2eee772 ("stackleak: Rename STACKLEAK to KSTACK_ERASE")
Signed-off-by: Huacai Chen <chenhuacai@loongson.cn> | ```diff
diff --git a/arch/loongarch/include/asm/stackframe.h b/arch/loongarch/include/asm/stackframe.h
index 3eda298702b1..5cb568a60cf8 100644
--- a/arch/loongarch/include/asm/stackframe.h
+++ b/arch/loongarch/include/asm/stackframe.h
@@ -58,7 +58,7 @@
.endm
.macro STACKLEAK_ERASE
-#ifdef CONFIG_GCC_PLUGIN_STACKL... |
63dbd8fb2af3a89466538599a9acb2d11ef65c06 | Analyze and fix the following issue in the Linux kernel code: LoongArch: Optimize module load time by optimizing PLT/GOT counting | Problem Details:
When enabling CONFIG_KASAN, CONFIG_PREEMPT_VOLUNTARY_BUILD and
CONFIG_PREEMPT_VOLUNTARY at the same time, there will be soft deadlock,
the relevant logs are as follows:
rcu: INFO: rcu_sched self-detected stall on CPU
...
Call Trace:
[<900000000024f9e4>] show_stack+0x5c/0x180
[<90000000002482f4>] dump_... | ```diff
diff --git a/arch/loongarch/kernel/module-sections.c b/arch/loongarch/kernel/module-sections.c
index e2f30ff9afde..a43ba7f9f987 100644
--- a/arch/loongarch/kernel/module-sections.c
+++ b/arch/loongarch/kernel/module-sections.c
@@ -8,6 +8,7 @@
#include <linux/module.h>
#include <linux/moduleloader.h>
#include... |
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