id stringlengths 40 40 | instruction stringlengths 68 308 | input stringlengths 17 33.4k | output stringlengths 100 30k |
|---|---|---|---|
265d6aba165c500389c80d394ac247460c443ef5 | Analyze and fix the following issue in the Linux kernel code: riscv: uaccess: Only restore the CSR_STATUS SUM bit | Problem Details:
During switch to csrs will OR the value of the register into the
corresponding csr. In this case we're only interested in restoring the
SUM bit not the entire register.
Signed-off-by: Cyril Bur <cyrilbur@tenstorrent.com>
Link: https://lore.kernel.org/r/20250522160954.429333-1-cyrilbur@tenstorrent.com
... | ```diff
diff --git a/arch/riscv/include/asm/processor.h b/arch/riscv/include/asm/processor.h
index 8111250f3c1b..24d3af4d3807 100644
--- a/arch/riscv/include/asm/processor.h
+++ b/arch/riscv/include/asm/processor.h
@@ -110,7 +110,7 @@ struct thread_struct {
struct __riscv_d_ext_state fstate;
unsigned long bad_cause... |
ee0d03053e7009a3a3532fb37f6c94bfa0a8cca3 | Analyze and fix the following issue in the Linux kernel code: RISC-V: vDSO: Wire up getrandom() vDSO implementation | Problem Details:
Hook up the generic vDSO implementation to the generic vDSO getrandom
implementation by providing the required __arch_chacha20_blocks_nostack
and getrandom_syscall implementations. Also wire up the selftests.
The benchmark result:
vdso: 25000000 times in 2.466341333 seconds
libc: 25000000 times in ... | ```diff
diff --git a/arch/riscv/Kconfig b/arch/riscv/Kconfig
index 3cb0b05eef62..b5b3ead92f64 100644
--- a/arch/riscv/Kconfig
+++ b/arch/riscv/Kconfig
@@ -219,6 +219,7 @@ config RISCV
select THREAD_INFO_IN_TASK
select TRACE_IRQFLAGS_SUPPORT
select UACCESS_MEMCPY if !MMU
+ select VDSO_GETRANDOM if HAVE_GENERIC_VDS... |
64a064ce33b193a681f1eb52ac1ad09aadda9944 | Analyze and fix the following issue in the Linux kernel code: selftests/bpf: rbtree: Fix incorrect global variable usage | Problem Details:
Within __add_three() function, should use function parameters instead of
global variables. So that the variables groot_nested.inner.root and
groot_nested.inner.glock in rbtree_add_nodes_nested() are tested
correctly.
Signed-off-by: Rong Tao <rongtao@cestc.cn>
Link: https://lore.kernel.org/r/tencent_3D... | ```diff
diff --git a/tools/testing/selftests/bpf/progs/rbtree.c b/tools/testing/selftests/bpf/progs/rbtree.c
index a3620c15c136..49fe93d7e059 100644
--- a/tools/testing/selftests/bpf/progs/rbtree.c
+++ b/tools/testing/selftests/bpf/progs/rbtree.c
@@ -61,19 +61,19 @@ static long __add_three(struct bpf_rb_root *root, str... |
a934a57a42f64a40705202f84144b1a29b29f910 | Analyze and fix the following issue in the Linux kernel code: scripts/misc-check: check missing #include <linux/export.h> when W=1 | Problem Details:
The problem was described in commit 5b20755b7780 ("init: move THIS_MODULE
from <linux/export.h> to <linux/init.h>").
To summarize it again here: <linux/export.h> is included by most C files,
even though only some of them actually export symbols. This is because
some headers, such as include/linux/{mod... | ```diff
diff --git a/scripts/misc-check b/scripts/misc-check
index 21551d721079..7cb61841a125 100755
--- a/scripts/misc-check
+++ b/scripts/misc-check
@@ -9,4 +9,47 @@ check_tracked_ignored_files () {
sed 's/$/: warning: ignored by one of the .gitignore files/' >&2
}
+# Check for missing #include <linux/export.h>... |
94145ffb07601674091aadbdca9ce004b1736df4 | Analyze and fix the following issue in the Linux kernel code: docs: symbol-namespaces: fix reST warning with literal block | Problem Details:
Use a literal block for the EXPORT_SYMBOL_GPL_FOR_MODULES() example to
avoid a Docutils warning about unmatched '*'. This ensures correct rendering
and keeps the source readable.
Warning:
Documentation/core-api/symbol-namespaces.rst:90: WARNING: Inline emphasis start-string without end-string. [docuti... | ```diff
diff --git a/Documentation/core-api/symbol-namespaces.rst b/Documentation/core-api/symbol-namespaces.rst
index f7cfa7b73e97..32fc73dc5529 100644
--- a/Documentation/core-api/symbol-namespaces.rst
+++ b/Documentation/core-api/symbol-namespaces.rst
@@ -85,7 +85,7 @@ namespace cannot be imported.
The macro takes ... |
7bc76fb3883aaba56b16dc4009ba8a490b8dc6ab | Analyze and fix the following issue in the Linux kernel code: RISC-V: Documentation: Add enough title underlines to CMODX | Problem Details:
This reports as a warning in linux-next along the lines of
Documentation/arch/riscv/cmodx.rst:14: WARNING: Title underline too short.
CMODX in the Kernel Space
--------------------- [docutils]
Documentation/arch/riscv/cmodx.rst:43: WARNING: Title underline too short.
CMODX in the... | ```diff
diff --git a/Documentation/arch/riscv/cmodx.rst b/Documentation/arch/riscv/cmodx.rst
index e009873b2d17..40ba53bed5df 100644
--- a/Documentation/arch/riscv/cmodx.rst
+++ b/Documentation/arch/riscv/cmodx.rst
@@ -11,7 +11,7 @@ program must enforce its own synchronization with the unprivileged fence.i
instruction... |
c39d53750ff96b282c869a0184a7c3ecfd298ca8 | Analyze and fix the following issue in the Linux kernel code: riscv: Improve Kconfig help for RISCV_ISA_V_PREEMPTIVE | Problem Details:
Fix a couple of spelling issues plus some minor details on the grammar.
Signed-off-by: Miquel Sabaté Solà <mikisabate@gmail.com>
Link: https://lore.kernel.org/r/20250501130309.14803-1-mikisabate@gmail.com
Reviewed-by: Alexandre Ghiti <alexghiti@rivosinc.com>
Signed-off-by: Alexandre Ghiti <alexghiti@r... | ```diff
diff --git a/arch/riscv/Kconfig b/arch/riscv/Kconfig
index a93af30727ee..98a3ecdc65f6 100644
--- a/arch/riscv/Kconfig
+++ b/arch/riscv/Kconfig
@@ -669,12 +669,12 @@ config RISCV_ISA_V_PREEMPTIVE
default y
help
Usually, in-kernel SIMD routines are run with preemption disabled.
- Functions which envoke ... |
6fe26f694c824b8a4dbf50c635bee1302e3f099c | Analyze and fix the following issue in the Linux kernel code: Bluetooth: MGMT: Protect mgmt_pending list with its own lock | Problem Details:
This uses a mutex to protect from concurrent access of mgmt_pending
list which can cause crashes like:
==================================================================
BUG: KASAN: slab-use-after-free in hci_sock_get_channel+0x60/0x68 net/bluetooth/hci_sock.c:91
Read of size 2 at addr ffff0000c48885b... | ```diff
diff --git a/include/net/bluetooth/hci_core.h b/include/net/bluetooth/hci_core.h
index 93fcb659f0d4..f7b1a9eb9543 100644
--- a/include/net/bluetooth/hci_core.h
+++ b/include/net/bluetooth/hci_core.h
@@ -546,6 +546,7 @@ struct hci_dev {
struct hci_conn_hash conn_hash;
struct list_head mesh_pending;
+ struc... |
e6ed54e86aae9e4f7286ce8d5c73780f91b48d1c | Analyze and fix the following issue in the Linux kernel code: Bluetooth: MGMT: Fix UAF on mgmt_remove_adv_monitor_complete | Problem Details:
This reworks MGMT_OP_REMOVE_ADV_MONITOR to not use mgmt_pending_add to
avoid crashes like bellow:
==================================================================
BUG: KASAN: slab-use-after-free in mgmt_remove_adv_monitor_complete+0xe5/0x540 net/bluetooth/mgmt.c:5406
Read of size 8 at addr ffff88801... | ```diff
diff --git a/include/net/bluetooth/hci_core.h b/include/net/bluetooth/hci_core.h
index 2b261e74e2c4..93fcb659f0d4 100644
--- a/include/net/bluetooth/hci_core.h
+++ b/include/net/bluetooth/hci_core.h
@@ -2400,7 +2400,6 @@ void mgmt_advertising_added(struct sock *sk, struct hci_dev *hdev,
u8 instance);
v... |
bf2ffc4d14db29cab781549912d2dc69127f4d3e | Analyze and fix the following issue in the Linux kernel code: Bluetooth: btintel_pcie: Reduce driver buffer posting to prevent race condition | Problem Details:
Modify the driver to post 3 fewer buffers than the maximum rx buffers
(64) allowed for the firmware. This change mitigates a hardware issue
causing a race condition in the firmware, improving stability and data
handling.
Signed-off-by: Chandrashekar Devegowda <chandrashekar.devegowda@intel.com>
Signed... | ```diff
diff --git a/drivers/bluetooth/btintel_pcie.c b/drivers/bluetooth/btintel_pcie.c
index 03f13de4a723..563165c5efae 100644
--- a/drivers/bluetooth/btintel_pcie.c
+++ b/drivers/bluetooth/btintel_pcie.c
@@ -398,7 +398,11 @@ static int btintel_pcie_start_rx(struct btintel_pcie_data *data)
int i, ret;
struct rxq ... |
2dd711102ce69ae41f65d09c012441227d4aa983 | Analyze and fix the following issue in the Linux kernel code: Bluetooth: btintel_pcie: Increase the tx and rx descriptor count | Problem Details:
This change addresses latency issues observed in HID use cases where
events arrive in bursts. By increasing the Rx descriptor count to 64,
the firmware can handle bursty data more effectively, reducing latency
and preventing buffer overflows.
Signed-off-by: Chandrashekar Devegowda <chandrashekar.deveg... | ```diff
diff --git a/drivers/bluetooth/btintel_pcie.c b/drivers/bluetooth/btintel_pcie.c
index 2c7731803c9f..03f13de4a723 100644
--- a/drivers/bluetooth/btintel_pcie.c
+++ b/drivers/bluetooth/btintel_pcie.c
@@ -1783,8 +1783,8 @@ static int btintel_pcie_alloc(struct btintel_pcie_data *data)
* + size of index * Numbe... |
daabd276985055250528da97e9ce6d277d7009c2 | Analyze and fix the following issue in the Linux kernel code: Bluetooth: btintel_pcie: Fix driver not posting maximum rx buffers | Problem Details:
The driver was posting only 6 rx buffers, despite the maximum rx buffers
being defined as 16. Having fewer RX buffers caused firmware exceptions
in HID use cases when events arrived in bursts.
Exception seen on android 6.12 kernel.
E Bluetooth: hci0: Received hw exception interrupt
E Bluetooth: hci0:... | ```diff
diff --git a/drivers/bluetooth/btintel_pcie.c b/drivers/bluetooth/btintel_pcie.c
index 50fe17f1e1d1..2c7731803c9f 100644
--- a/drivers/bluetooth/btintel_pcie.c
+++ b/drivers/bluetooth/btintel_pcie.c
@@ -396,8 +396,9 @@ static int btintel_pcie_submit_rx(struct btintel_pcie_data *data)
static int btintel_pcie_st... |
308a3a8ce8ea41b26c46169f3263e50f5997c28e | Analyze and fix the following issue in the Linux kernel code: Bluetooth: hci_core: fix list_for_each_entry_rcu usage | Problem Details:
Releasing + re-acquiring RCU lock inside list_for_each_entry_rcu() loop
body is not correct.
Fix by taking the update-side hdev->lock instead.
Fixes: c7eaf80bfb0c ("Bluetooth: Fix hci_link_tx_to RCU lock usage")
Signed-off-by: Pauli Virtanen <pav@iki.fi>
Reviewed-by: Paul Menzel <pmenzel@molgen.mpg.d... | ```diff
diff --git a/net/bluetooth/hci_core.c b/net/bluetooth/hci_core.c
index 3b49828160b7..04845ff3ad57 100644
--- a/net/bluetooth/hci_core.c
+++ b/net/bluetooth/hci_core.c
@@ -3417,23 +3417,18 @@ static void hci_link_tx_to(struct hci_dev *hdev, __u8 type)
bt_dev_err(hdev, "link tx timeout");
- rcu_read_lock();... |
919319b4edfa2c7f82f98cac570354075ad79196 | Analyze and fix the following issue in the Linux kernel code: libbpf: Correct some typos and syntax issues in usdt doc | Problem Details:
Fix some incorrect words, such as "and" -> "an", "it's" -> "its". Fix
some grammar issues, such as removing redundant "will", "would
complicated" -> "would complicate".
Signed-off-by: Jiawei Zhao <Phoenix500526@163.com>
Signed-off-by: Andrii Nakryiko <andrii@kernel.org>
Link: https://lore.kernel.org/... | ```diff
diff --git a/tools/lib/bpf/usdt.c b/tools/lib/bpf/usdt.c
index 4e4a52742b01..3373b9d45ac4 100644
--- a/tools/lib/bpf/usdt.c
+++ b/tools/lib/bpf/usdt.c
@@ -59,7 +59,7 @@
*
* STAP_PROBE3(my_usdt_provider, my_usdt_probe_name, 123, x, &y);
*
- * USDT is identified by it's <provider-name>:<probe-name> pair of ... |
ca1a66cdd685030738cf077e3955fdedfe39fbb9 | Analyze and fix the following issue in the Linux kernel code: riscv: uaccess: do not do misaligned accesses in get/put_user() | Problem Details:
Doing misaligned access to userspace memory would make a trap on
platform where it is emulated. Latest fixes removed the kernel
capability to do unaligned accesses to userspace memory safely since
interrupts are kept disabled at all time during that. Thus doing so
would crash the kernel.
Such behavior... | ```diff
diff --git a/arch/riscv/include/asm/uaccess.h b/arch/riscv/include/asm/uaccess.h
index 046de7ced09c..d472da4450e6 100644
--- a/arch/riscv/include/asm/uaccess.h
+++ b/arch/riscv/include/asm/uaccess.h
@@ -169,8 +169,19 @@ do { \
#endif /* CONFIG_64BIT */
+unsigned long __must_check __asm_copy_to_user_... |
48d9aabf2dc5d93b402ce55e3187e95698f2b9e9 | Analyze and fix the following issue in the Linux kernel code: RISC-V: Kconfig: Fix help text of CMDLINE_EXTEND | Problem Details:
It is the built-in command line appended to the bootloader command line,
not the bootloader command line appended to the built-in command line.
Fixes: 3aed8c43267e ("RISC-V: Update Kconfig to better handle CMDLINE")
Signed-off-by: 谢致邦 (XIE Zhibang) <Yeking@Red54.com>
Link: https://lore.kernel.org/r/te... | ```diff
diff --git a/arch/riscv/Kconfig b/arch/riscv/Kconfig
index 674cf6ff7188..78640cd353fd 100644
--- a/arch/riscv/Kconfig
+++ b/arch/riscv/Kconfig
@@ -1176,8 +1176,8 @@ config CMDLINE_FALLBACK
config CMDLINE_EXTEND
bool "Extend bootloader kernel arguments"
help
- The command-line arguments provided during bo... |
850d7b14c8f77407b7d2a1edeb83d3e36c46e7a8 | Analyze and fix the following issue in the Linux kernel code: riscv/kexec_file: Fix comment in purgatory relocator | Problem Details:
Apparently sec_base doesn't mean relocated symbol value, which seems a
copy-pasting error in the comment. Assigned with the address of section
indexed by sym->st_shndx, it should represent base address of the
relevant section. Let's fix the comment to avoid possible confusion.
Fixes: 838b3e28488f ("RI... | ```diff
diff --git a/arch/riscv/kernel/elf_kexec.c b/arch/riscv/kernel/elf_kexec.c
index e783a72d051f..0dc5450f2c7f 100644
--- a/arch/riscv/kernel/elf_kexec.c
+++ b/arch/riscv/kernel/elf_kexec.c
@@ -390,7 +390,7 @@ int arch_kexec_apply_relocations_add(struct purgatory_info *pi,
const Elf_Sym *sym; /* symbol to reloc... |
b2137c3b6d7a45622967aac78b46a4bd2cff6c42 | Analyze and fix the following issue in the Linux kernel code: riscv: ftrace: prepare ftrace for atomic code patching | Problem Details:
We use an AUIPC+JALR pair to jump into a ftrace trampoline. Since
instruction fetch can break down to 4 byte at a time, it is impossible
to update two instructions without a race. In order to mitigate it, we
initialize the patchable entry to AUIPC + NOP4. Then, the run-time code
patching can change NOP... | ```diff
diff --git a/arch/riscv/include/asm/ftrace.h b/arch/riscv/include/asm/ftrace.h
index d8b2138bd9c6..6a5c0a7fb826 100644
--- a/arch/riscv/include/asm/ftrace.h
+++ b/arch/riscv/include/asm/ftrace.h
@@ -20,10 +20,9 @@ extern void *return_address(unsigned int level);
#define ftrace_return_address(n) return_address(... |
500e626c4a5bf2fa7cc6f1cd6dd86c77b5b127f2 | Analyze and fix the following issue in the Linux kernel code: kernel: ftrace: export ftrace_sync_ipi | Problem Details:
The following ftrace patch for riscv uses a data store to update ftrace
function. Therefore, a romote fence is required to order it against
function_trace_op updates. The mechanism is similar to the fence between
function_trace_op and update_ftrace_func in the generic ftrace, so we
leverage the same ft... | ```diff
diff --git a/include/linux/ftrace.h b/include/linux/ftrace.h
index fbabc3d848b3..30374478cb07 100644
--- a/include/linux/ftrace.h
+++ b/include/linux/ftrace.h
@@ -635,6 +635,8 @@ enum {
#define ftrace_get_symaddr(fentry_ip) (0)
#endif
+void ftrace_sync_ipi(void *data);
+
#ifdef CONFIG_DYNAMIC_FTRACE
voi... |
c41bf4326c7b0af3f7004235ac91551833ec95c6 | Analyze and fix the following issue in the Linux kernel code: riscv: ftrace: align patchable functions to 4 Byte boundary | Problem Details:
We are changing ftrace code patching in order to remove dependency from
stop_machine() and enable kernel preemption. This requires us to align
functions entry at a 4-B align address.
However, -falign-functions on older versions of GCC alone was not strong
enoungh to align all functions. In fact, cold ... | ```diff
diff --git a/arch/riscv/Kconfig b/arch/riscv/Kconfig
index bbec87b79309..7dbed10843d2 100644
--- a/arch/riscv/Kconfig
+++ b/arch/riscv/Kconfig
@@ -150,6 +150,7 @@ config RISCV
select HAVE_DEBUG_KMEMLEAK
select HAVE_DMA_CONTIGUOUS if MMU
select HAVE_DYNAMIC_FTRACE if !XIP_KERNEL && MMU && (CLANG_SUPPORTS_D... |
f8693f6dffcd1865da7f5f4c3df1de445e519bec | Analyze and fix the following issue in the Linux kernel code: riscv: ftrace: support fastcc in Clang for WITH_ARGS | Problem Details:
Some caller-saved registers which are not defined as function arguments
in the ABI can still be passed as arguments when the kernel is compiled
with Clang. As a result, we must save and restore those registers to
prevent ftrace from clobbering them.
- [1]: https://reviews.llvm.org/D68559
Reported-by:... | ```diff
diff --git a/arch/riscv/include/asm/ftrace.h b/arch/riscv/include/asm/ftrace.h
index d627f63ee289..d8b2138bd9c6 100644
--- a/arch/riscv/include/asm/ftrace.h
+++ b/arch/riscv/include/asm/ftrace.h
@@ -146,6 +146,13 @@ struct __arch_ftrace_regs {
unsigned long a5;
unsigned long a6;
unsigned long a7;
+#... |
7c7c5cb5b5bf9d8ccc6a51b28687c9e7ff7f1890 | Analyze and fix the following issue in the Linux kernel code: drm/xe: remove unmatched xe_vm_unlock() from __xe_exec_queue_init() | Problem Details:
There is unmatched xe_vm_unlock() in the __xe_exec_queue_init().
Leftover from commit fbeaad071a98 ("drm/xe: Create LRC BO without VM")
Fixes: 2b0a0ce0c20b ("drm/xe: Create LRC BO without VM")
Signed-off-by: Maciej Patelczyk <maciej.patelczyk@intel.com>
Reviewed-by: Jonathan Cavitt <jonathan.cavitt@in... | ```diff
diff --git a/drivers/gpu/drm/xe/xe_exec_queue.c b/drivers/gpu/drm/xe/xe_exec_queue.c
index 338487dc74c0..0161a80e92bc 100644
--- a/drivers/gpu/drm/xe/xe_exec_queue.c
+++ b/drivers/gpu/drm/xe/xe_exec_queue.c
@@ -114,7 +114,6 @@ static struct xe_exec_queue *__xe_exec_queue_alloc(struct xe_device *xe,
static in... |
2b0a0ce0c20bbedf83f78ba5926f6cae7470cd38 | Analyze and fix the following issue in the Linux kernel code: drm/xe: Create LRC BO without VM | Problem Details:
Specifying VM during lrc->bo creation requires VM's reference
to be held for the lifetime of lrc->bo as it will use VM's dma
reservation object. Using VM's dma reservation object for
lrc->bo doesn't provide any advantage. Hence do not pass VM
while creating lrc->bo.
v2: Use xe_bo_unpin_map_no_vm (Matt... | ```diff
diff --git a/drivers/gpu/drm/xe/xe_exec_queue.c b/drivers/gpu/drm/xe/xe_exec_queue.c
index 21d4ced31dd9..338487dc74c0 100644
--- a/drivers/gpu/drm/xe/xe_exec_queue.c
+++ b/drivers/gpu/drm/xe/xe_exec_queue.c
@@ -132,12 +132,6 @@ static int __xe_exec_queue_init(struct xe_exec_queue *q)
flags |= XE_LRC_CREATE_... |
2e824747cfbdf1fba88df5e5800d284b2602ae8f | Analyze and fix the following issue in the Linux kernel code: drm/xe/guc_submit: add back fix | Problem Details:
Daniele noticed that the fix in commit 2d2be279f1ca ("drm/xe: fix UAF
around queue destruction") looks to have been unintentionally removed as
part of handling a conflict in some past merge commit. Add it back.
Fixes: ac44ff7cec33 ("Merge tag 'drm-xe-fixes-2024-10-10' of https://gitlab.freedesktop.org... | ```diff
diff --git a/drivers/gpu/drm/xe/xe_guc_submit.c b/drivers/gpu/drm/xe/xe_guc_submit.c
index 369be36f7dc5..66a5a75898ac 100644
--- a/drivers/gpu/drm/xe/xe_guc_submit.c
+++ b/drivers/gpu/drm/xe/xe_guc_submit.c
@@ -229,6 +229,17 @@ static bool exec_queue_killed_or_banned_or_wedged(struct xe_exec_queue *q)
static v... |
69a58ef4fa77759b0e0c2f79834fa51b00a50c0b | Analyze and fix the following issue in the Linux kernel code: drm/xe/pxp: Clarify PXP queue creation behavior if PXP is not ready | Problem Details:
The expected flow of operations when using PXP is to query the PXP
status and wait for it to transition to "ready" before attempting to
create an exec_queue. This flow is followed by the Mesa driver, but
there is no guarantee that an incorrectly coded (or malicious) app
will not attempt to create the q... | ```diff
diff --git a/drivers/gpu/drm/xe/xe_pxp.c b/drivers/gpu/drm/xe/xe_pxp.c
index 454ea7dc08ac..b5bc15f436fa 100644
--- a/drivers/gpu/drm/xe/xe_pxp.c
+++ b/drivers/gpu/drm/xe/xe_pxp.c
@@ -541,10 +541,14 @@ int xe_pxp_exec_queue_add(struct xe_pxp *pxp, struct xe_exec_queue *q)
*/
xe_pm_runtime_get(pxp->xe);
- ... |
6bf4d5649230ca65725ec4793333fb5eba18d646 | Analyze and fix the following issue in the Linux kernel code: drm/xe/pxp: Use the correct define in the set_property_funcs array | Problem Details:
The define of the extension type was accidentally used instead of the
one of the property itself. They're both zero, so no functional issue,
but we should use the correct define for code correctness.
Fixes: 41a97c4a1294 ("drm/xe/pxp/uapi: Add API to mark a BO as using PXP")
Signed-off-by: Daniele Cera... | ```diff
diff --git a/drivers/gpu/drm/xe/xe_bo.c b/drivers/gpu/drm/xe/xe_bo.c
index 3c48a8c5f439..7aa2c17825da 100644
--- a/drivers/gpu/drm/xe/xe_bo.c
+++ b/drivers/gpu/drm/xe/xe_bo.c
@@ -2567,7 +2567,7 @@ typedef int (*xe_gem_create_set_property_fn)(struct xe_device *xe,
u64 value);
static const xe_gem_cr... |
0ee54d5cacc0276ec631ac149825a24b59c51c38 | Analyze and fix the following issue in the Linux kernel code: drm/xe/sched: stop re-submitting signalled jobs | Problem Details:
Customer is reporting a really subtle issue where we get random DMAR
faults, hangs and other nasties for kernel migration jobs when stressing
stuff like s2idle/s3/s4. The explosions seems to happen somewhere
after resuming the system with splats looking something like:
PM: suspend exit
rfkill: input h... | ```diff
diff --git a/drivers/gpu/drm/xe/xe_gpu_scheduler.h b/drivers/gpu/drm/xe/xe_gpu_scheduler.h
index c250ea773491..308061f0cf37 100644
--- a/drivers/gpu/drm/xe/xe_gpu_scheduler.h
+++ b/drivers/gpu/drm/xe/xe_gpu_scheduler.h
@@ -51,7 +51,15 @@ static inline void xe_sched_tdr_queue_imm(struct xe_gpu_scheduler *sched)
... |
5cc3325584c425069c1c3355c775314d64bf8770 | Analyze and fix the following issue in the Linux kernel code: drm/xe: Rework eviction rejection of bound external bos | Problem Details:
For preempt_fence mode VM's we're rejecting eviction of
shared bos during VM_BIND. However, since we do this in the
move() callback, we're getting an eviction failure warning from
TTM. The TTM callback intended for these things is
eviction_valuable().
However, the latter doesn't pass in the struct ttm... | ```diff
diff --git a/drivers/gpu/drm/xe/xe_bo.c b/drivers/gpu/drm/xe/xe_bo.c
index d99d91fe8aa9..3c48a8c5f439 100644
--- a/drivers/gpu/drm/xe/xe_bo.c
+++ b/drivers/gpu/drm/xe/xe_bo.c
@@ -841,21 +841,6 @@ static int xe_bo_move(struct ttm_buffer_object *ttm_bo, bool evict,
goto out;
}
- /* Reject BO eviction if BO... |
2182f358fb138f81a586ffdddd510f2a4fc61702 | Analyze and fix the following issue in the Linux kernel code: drm/xe/vsec: fix CONFIG_INTEL_VSEC dependency | Problem Details:
The XE driver can be built with or without VSEC support, but fails to link as
built-in if vsec is in a loadable module:
x86_64-linux-ld: vmlinux.o: in function `xe_vsec_init':
(.text+0x1e83e16): undefined reference to `intel_vsec_register'
The normal fix for this is to add a 'depends on INTEL_VSEC ||... | ```diff
diff --git a/drivers/gpu/drm/xe/Kconfig b/drivers/gpu/drm/xe/Kconfig
index 9bce047901b2..98b46c534278 100644
--- a/drivers/gpu/drm/xe/Kconfig
+++ b/drivers/gpu/drm/xe/Kconfig
@@ -2,6 +2,8 @@
config DRM_XE
tristate "Intel Xe Graphics"
depends on DRM && PCI && MMU && (m || (y && KUNIT=y))
+ depends on INTEL_... |
94110827925a2512e480176b3002e08105f98d66 | Analyze and fix the following issue in the Linux kernel code: drm/xe: drop redundant conversion to bool | Problem Details:
The result of integer comparison already evaluates to bool. No need for
explicit conversion.
No functional impact.
Fixes: 0e414bf7ad01 ("drm/xe: Expose PCIe link downgrade attributes")
Reported-by: kernel test robot <lkp@intel.com>
Closes: https://lore.kernel.org/oe-kbuild-all/202505292205.MoljmkjQ-l... | ```diff
diff --git a/drivers/gpu/drm/xe/xe_device_sysfs.c b/drivers/gpu/drm/xe/xe_device_sysfs.c
index 2e657692e5b5..b9440f8c781e 100644
--- a/drivers/gpu/drm/xe/xe_device_sysfs.c
+++ b/drivers/gpu/drm/xe/xe_device_sysfs.c
@@ -115,7 +115,7 @@ auto_link_downgrade_capable_show(struct device *dev, struct device_attribute ... |
b885ae2e9db3dba8e9b3bc4df36744f22455d889 | Analyze and fix the following issue in the Linux kernel code: drm/xe/hwmon: Move card reactive critical power under channel card | Problem Details:
Move power2/curr2_crit to channel 1 i.e power1/curr1_crit as this
represents the entire card critical power/current.
v2: Update the date of curr1_crit also in hwmon documentation.
Signed-off-by: Karthik Poosa <karthik.poosa@intel.com>
Fixes: 345dadc4f68b ("drm/xe/hwmon: Add infra to support card powe... | ```diff
diff --git a/Documentation/ABI/testing/sysfs-driver-intel-xe-hwmon b/Documentation/ABI/testing/sysfs-driver-intel-xe-hwmon
index 4ca917ac6382..5a91dcccd3ac 100644
--- a/Documentation/ABI/testing/sysfs-driver-intel-xe-hwmon
+++ b/Documentation/ABI/testing/sysfs-driver-intel-xe-hwmon
@@ -60,26 +60,26 @@ Descripti... |
25a2aa779fc39c4559a5bde0f841d2cd4cbc4d66 | Analyze and fix the following issue in the Linux kernel code: drm/xe/hwmon: Add support to manage power limits though mailbox | Problem Details:
Add support to manage power limits using pcode mailbox commands
for supported platforms.
v2:
- Address review comments. (Badal)
- Use mailbox commands instead of registers to manage power limits
for BMG.
- Clamp the maximum power limit to GPU firmware default value.
v3:
- Clamp power limit in ... | ```diff
diff --git a/drivers/gpu/drm/xe/regs/xe_mchbar_regs.h b/drivers/gpu/drm/xe/regs/xe_mchbar_regs.h
index f5e5234857c1..5394a1373a6b 100644
--- a/drivers/gpu/drm/xe/regs/xe_mchbar_regs.h
+++ b/drivers/gpu/drm/xe/regs/xe_mchbar_regs.h
@@ -38,10 +38,10 @@
#define TEMP_MASK REG_GENMASK(7, 0)
#define PCU_CR_P... |
8cf8cde41ad01150afbd1327ad1942387787f7fd | Analyze and fix the following issue in the Linux kernel code: drm/xe/vm: move xe_svm_init() earlier | Problem Details:
In xe_vm_close_and_put() we need to be able to call xe_svm_fini(),
however during vm creation we can call this on the error path, before
having actually initialised the svm state, leading to various splats
followed by a fatal NPD.
Fixes: 6fd979c2f331 ("drm/xe: Add SVM init / close / fini to faulting V... | ```diff
diff --git a/drivers/gpu/drm/xe/xe_vm.c b/drivers/gpu/drm/xe/xe_vm.c
index a68fd99ddfdb..861577746929 100644
--- a/drivers/gpu/drm/xe/xe_vm.c
+++ b/drivers/gpu/drm/xe/xe_vm.c
@@ -1683,10 +1683,16 @@ struct xe_vm *xe_vm_create(struct xe_device *xe, u32 flags)
xe_pm_runtime_get_noresume(xe);
}
+ if (flags ... |
a63e99b4d6d3a0353ef47146dd5bd562f08e1786 | Analyze and fix the following issue in the Linux kernel code: drm/xe/vm: move rebind_work init earlier | Problem Details:
In xe_vm_close_and_put() we need to be able to call
flush_work(rebind_work), however during vm creation we can call this on
the error path, before having actually set up the worker, leading to a
splat from flush_work().
It looks like we can simply move the worker init step earlier to fix
this.
Fixes:... | ```diff
diff --git a/drivers/gpu/drm/xe/xe_vm.c b/drivers/gpu/drm/xe/xe_vm.c
index 79323c78130f..a68fd99ddfdb 100644
--- a/drivers/gpu/drm/xe/xe_vm.c
+++ b/drivers/gpu/drm/xe/xe_vm.c
@@ -1678,8 +1678,10 @@ struct xe_vm *xe_vm_create(struct xe_device *xe, u32 flags)
* scheduler drops all the references of it, hence p... |
f670b50ef5e4a69bf4d2ec5ac6a9228d93b13a7a | Analyze and fix the following issue in the Linux kernel code: sysfb: Fix screen_info type check for VGA | Problem Details:
Use the helper screen_info_video_type() to get the framebuffer
type from struct screen_info. Handle supported values in sorted
switch statement.
Reading orig_video_isVGA is unreliable. On most systems it is a
VIDEO_TYPE_ constant. On some systems with VGA it is simply set
to 1 to signal the presence o... | ```diff
diff --git a/drivers/firmware/sysfb.c b/drivers/firmware/sysfb.c
index 7c5c03f274b9..889e5b05c739 100644
--- a/drivers/firmware/sysfb.c
+++ b/drivers/firmware/sysfb.c
@@ -143,6 +143,7 @@ static __init int sysfb_init(void)
{
struct screen_info *si = &screen_info;
struct device *parent;
+ unsigned int type;
... |
2f29b5c231011b94007d2c8a6d793992f2275db1 | Analyze and fix the following issue in the Linux kernel code: video: screen_info: Relocate framebuffers behind PCI bridges | Problem Details:
Apply PCI host-bridge window offsets to screen_info framebuffers. Fixes
invalid access to I/O memory.
Resources behind a PCI host bridge can be relocated by a certain offset
in the kernel's CPU address range used for I/O. The framebuffer memory
range stored in screen_info refers to the CPU addresses a... | ```diff
diff --git a/drivers/video/screen_info_pci.c b/drivers/video/screen_info_pci.c
index 6c5833517141..66bfc1d0a6dc 100644
--- a/drivers/video/screen_info_pci.c
+++ b/drivers/video/screen_info_pci.c
@@ -7,8 +7,8 @@
static struct pci_dev *screen_info_lfb_pdev;
static size_t screen_info_lfb_bar;
-static resource_... |
3cae906e1a6184cdc9e4d260e4dbdf9a118d94ad | Analyze and fix the following issue in the Linux kernel code: calipso: unlock rcu before returning -EAFNOSUPPORT | Problem Details:
syzbot reported that a recent patch forgot to unlock rcu
in the error path.
Adopt the convention that netlbl_conn_setattr() is already using.
Fixes: 6e9f2df1c550 ("calipso: Don't call calipso functions for AF_INET sk.")
Reported-by: syzbot <syzkaller@googlegroups.com>
Signed-off-by: Eric Dumazet <edu... | ```diff
diff --git a/net/netlabel/netlabel_kapi.c b/net/netlabel/netlabel_kapi.c
index 6ea16138582c..33b77084a4e5 100644
--- a/net/netlabel/netlabel_kapi.c
+++ b/net/netlabel/netlabel_kapi.c
@@ -1165,8 +1165,10 @@ int netlbl_conn_setattr(struct sock *sk,
break;
#if IS_ENABLED(CONFIG_IPV6)
case AF_INET6:
- if (sk... |
7632fedb266d93ed0ed9f487133e6c6314a9b2d1 | Analyze and fix the following issue in the Linux kernel code: seg6: Fix validation of nexthop addresses | Problem Details:
The kernel currently validates that the length of the provided nexthop
address does not exceed the specified length. This can lead to the
kernel reading uninitialized memory if user space provided a shorter
length than the specified one.
Fix by validating that the provided length exactly matches the s... | ```diff
diff --git a/net/ipv6/seg6_local.c b/net/ipv6/seg6_local.c
index ac1dbd492c22..a11a02b4ba95 100644
--- a/net/ipv6/seg6_local.c
+++ b/net/ipv6/seg6_local.c
@@ -1644,10 +1644,8 @@ static const struct nla_policy seg6_local_policy[SEG6_LOCAL_MAX + 1] = {
[SEG6_LOCAL_SRH] = { .type = NLA_BINARY },
[SEG6_LOCAL_TA... |
feafc73f3e6ae73371777a037d41d2e31c929636 | Analyze and fix the following issue in the Linux kernel code: net: prevent a NULL deref in rtnl_create_link() | Problem Details:
At the time rtnl_create_link() is running, dev->netdev_ops is NULL,
we must not use netdev_lock_ops() or risk a NULL deref if
CONFIG_NET_SHAPER is defined.
Use netif_set_group() instead of dev_set_group().
RIP: 0010:netdev_need_ops_lock include/net/netdev_lock.h:33 [inline]
RIP: 0010:netdev_lock_op... | ```diff
diff --git a/net/core/rtnetlink.c b/net/core/rtnetlink.c
index f9a35bdc58ad..c57692eb8da9 100644
--- a/net/core/rtnetlink.c
+++ b/net/core/rtnetlink.c
@@ -3671,7 +3671,7 @@ struct net_device *rtnl_create_link(struct net *net, const char *ifname,
if (tb[IFLA_LINKMODE])
dev->link_mode = nla_get_u8(tb[IFLA_LI... |
535caaca921c653b1f9838fbd5c4e9494cafc3d9 | Analyze and fix the following issue in the Linux kernel code: net: annotate data-races around cleanup_net_task | Problem Details:
from_cleanup_net() reads cleanup_net_task locklessly.
Add READ_ONCE()/WRITE_ONCE() annotations to avoid
a potential KCSAN warning, even if the race is harmless.
Fixes: 0734d7c3d93c ("net: expedite synchronize_net() for cleanup_net()")
Signed-off-by: Eric Dumazet <edumazet@google.com>
Reviewed-by: Jas... | ```diff
diff --git a/net/core/dev.c b/net/core/dev.c
index a388f459a366..be97c440ecd5 100644
--- a/net/core/dev.c
+++ b/net/core/dev.c
@@ -10499,7 +10499,7 @@ static void dev_index_release(struct net *net, int ifindex)
static bool from_cleanup_net(void)
{
#ifdef CONFIG_NET_NS
- return current == cleanup_net_task;
+ ... |
e6854be4d80ea266a7be64a65a0322bcdfa72807 | Analyze and fix the following issue in the Linux kernel code: selftests: drv-net: tso: make bkg() wait for socat to quit | Problem Details:
Commit 846742f7e32f ("selftests: drv-net: add a warning for
bkg + shell + terminate") added a warning for bkg() used
with terminate=True. The tso test was missed as we didn't
have it running anywhere in NIPA. Add exit_wait=True, to avoid:
# Warning: combining shell and terminate is risky!
# ... | ```diff
diff --git a/tools/testing/selftests/drivers/net/hw/tso.py b/tools/testing/selftests/drivers/net/hw/tso.py
index eec647e7ec19..3370827409aa 100755
--- a/tools/testing/selftests/drivers/net/hw/tso.py
+++ b/tools/testing/selftests/drivers/net/hw/tso.py
@@ -39,7 +39,7 @@ def run_one_stream(cfg, ipver, remote_v4, r... |
c68804c934e3197e34560744854c57cf88dff8e7 | Analyze and fix the following issue in the Linux kernel code: selftests: drv-net: tso: fix the GRE device name | Problem Details:
The device type for IPv4 GRE is "gre" not "ipgre",
unlike for IPv6 which uses "ip6gre".
Not sure how I missed this when writing the test, perhaps
because all HW I have access to is on an IPv6-only network.
Fixes: 0d0f4174f6c8 ("selftests: drv-net: add a simple TSO test")
Reviewed-by: Simon Horman <ho... | ```diff
diff --git a/tools/testing/selftests/drivers/net/hw/tso.py b/tools/testing/selftests/drivers/net/hw/tso.py
index e1ecb92f79d9..eec647e7ec19 100755
--- a/tools/testing/selftests/drivers/net/hw/tso.py
+++ b/tools/testing/selftests/drivers/net/hw/tso.py
@@ -216,7 +216,7 @@ def main() -> None:
("", ... |
7eb6b63aa3c3b406512db15943ce9eb114095b51 | Analyze and fix the following issue in the Linux kernel code: selftests: drv-net: add configs for the TSO test | Problem Details:
Add missing config options for the tso.py test, specifically
to make sure the kernel is built with vxlan and gre tunnels.
I noticed this while adding a TSO-capable device QEMU to the CI.
Previously we only run virtio tests and it doesn't report LSO
stats on the QEMU we have.
Fixes: 0d0f4174f6c8 ("sel... | ```diff
diff --git a/tools/testing/selftests/drivers/net/hw/config b/tools/testing/selftests/drivers/net/hw/config
new file mode 100644
index 000000000000..88ae719e6f8f
--- /dev/null
+++ b/tools/testing/selftests/drivers/net/hw/config
@@ -0,0 +1,5 @@
+CONFIG_IPV6=y
+CONFIG_IPV6_GRE=y
+CONFIG_NET_IPGRE=y
+CONFIG_NET_IPG... |
db9ae3b6b43c79b1ba87eea849fd65efa05b4b2e | Analyze and fix the following issue in the Linux kernel code: wireguard: device: enable threaded NAPI | Problem Details:
Enable threaded NAPI by default for WireGuard devices in response to low
performance behavior that we observed when multiple tunnels (and thus
multiple wg devices) are deployed on a single host. This affects any
kind of multi-tunnel deployment, regardless of whether the tunnels share
the same endpoint... | ```diff
diff --git a/drivers/net/wireguard/device.c b/drivers/net/wireguard/device.c
index 3ffeeba5dccf..4a529f1f9bea 100644
--- a/drivers/net/wireguard/device.c
+++ b/drivers/net/wireguard/device.c
@@ -366,6 +366,7 @@ static int wg_newlink(struct net_device *dev,
if (ret < 0)
goto err_free_handshake_queue;
+ de... |
fad4cf944839da7f5c3376243aa353295c88f588 | Analyze and fix the following issue in the Linux kernel code: KVM: arm64: selftests: Determine effective counter width in arch_timer_edge_cases | Problem Details:
arch_timer_edge_cases uses ~0 as the maximum counter value, however there's
no architectural guarantee that this is valid.
Figure out the effective counter width based on the effective frequency
like it's done by the kernel.
This also serves as a workaround for AC03_CPU_14 that led to the
following a... | ```diff
diff --git a/tools/testing/selftests/kvm/arm64/arch_timer_edge_cases.c b/tools/testing/selftests/kvm/arm64/arch_timer_edge_cases.c
index be8bbedc933b..b4d22b3ab7cc 100644
--- a/tools/testing/selftests/kvm/arm64/arch_timer_edge_cases.c
+++ b/tools/testing/selftests/kvm/arm64/arch_timer_edge_cases.c
@@ -22,7 +22,... |
05ce38d489dbc96eb1dd700b287f949cb8cc0610 | Analyze and fix the following issue in the Linux kernel code: KVM: arm64: selftests: Fix xVAL init in arch_timer_edge_cases | Problem Details:
arch_timer_edge_cases hits the following assertion in < 10% of the test runs:
==== Test Assertion Failure ====
arm64/arch_timer_edge_cases.c:490: timer_get_cntct(timer) >= DEF_CNT + (timer_get_cntfrq() * (uint64_t)(delta_2_ms) / 1000)
pid=17110 tid=17110 errno=4 - Interrupted system call
1 0... | ```diff
diff --git a/tools/testing/selftests/kvm/arm64/arch_timer_edge_cases.c b/tools/testing/selftests/kvm/arm64/arch_timer_edge_cases.c
index a813b4c6c817..be8bbedc933b 100644
--- a/tools/testing/selftests/kvm/arm64/arch_timer_edge_cases.c
+++ b/tools/testing/selftests/kvm/arm64/arch_timer_edge_cases.c
@@ -191,8 +19... |
050632ae6571d0f148fa0d4b90b6409a12645461 | Analyze and fix the following issue in the Linux kernel code: KVM: arm64: selftests: Fix thread migration in arch_timer_edge_cases | Problem Details:
arch_timer_edge_cases tries to migrate itself across host cpus. Before
the first test, it migrates to cpu 0 by setting up an affinity mask with
only bit 0 set. After that it looks for the next possible cpu in the
current affinity mask which still has only bit 0 set. So there is no
migration at all.
Fi... | ```diff
diff --git a/tools/testing/selftests/kvm/arm64/arch_timer_edge_cases.c b/tools/testing/selftests/kvm/arm64/arch_timer_edge_cases.c
index c4716e0c1438..a813b4c6c817 100644
--- a/tools/testing/selftests/kvm/arm64/arch_timer_edge_cases.c
+++ b/tools/testing/selftests/kvm/arm64/arch_timer_edge_cases.c
@@ -849,17 +8... |
9a9864fd09c7e52440c05e70609bf5ee8da425d0 | Analyze and fix the following issue in the Linux kernel code: KVM: arm64: selftests: Fix help text for arch_timer_edge_cases | Problem Details:
Fix the help text for arch_timer_edge_cases to show the correct
option for setting the wait time.
Signed-off-by: Sebastian Ott <sebott@redhat.com>
Link: https://lore.kernel.org/r/20250605103613.14544-2-sebott@redhat.com
Signed-off-by: Marc Zyngier <maz@kernel.org> | ```diff
diff --git a/tools/testing/selftests/kvm/arm64/arch_timer_edge_cases.c b/tools/testing/selftests/kvm/arm64/arch_timer_edge_cases.c
index a36a7e2db434..c4716e0c1438 100644
--- a/tools/testing/selftests/kvm/arm64/arch_timer_edge_cases.c
+++ b/tools/testing/selftests/kvm/arm64/arch_timer_edge_cases.c
@@ -986,7 +98... |
6678791ee3da0b78c28fe7d77814097f53cbb8df | Analyze and fix the following issue in the Linux kernel code: KVM: arm64: Add assignment-specific sysreg accessor | Problem Details:
Assigning a value to a system register doesn't do what it is
supposed to be doing if that register is one that has RESx bits.
The main problem is that we use __vcpu_sys_reg(), which can be used
both as a lvalue and rvalue. When used as a lvalue, the bit masking
occurs *before* the new value is assigne... | ```diff
diff --git a/arch/arm64/include/asm/kvm_host.h b/arch/arm64/include/asm/kvm_host.h
index d941abc6b5ee..3b84ad91116b 100644
--- a/arch/arm64/include/asm/kvm_host.h
+++ b/arch/arm64/include/asm/kvm_host.h
@@ -1107,6 +1107,17 @@ static inline u64 *___ctxt_sys_reg(const struct kvm_cpu_context *ctxt, int r)
#define... |
91274fd4ed9ba110b02c53d71d2778b7d13b49ac | Analyze and fix the following issue in the Linux kernel code: accel/ivpu: Fix warning in ivpu_gem_bo_free() | Problem Details:
Don't WARN if imported buffers are in use in ivpu_gem_bo_free() as they
can be indeed used in the original context/driver.
Fixes: 647371a6609d ("accel/ivpu: Add GEM buffer object management")
Cc: stable@vger.kernel.org # v6.3
Reviewed-by: Jeff Hugo <jeff.hugo@oss.qualcomm.com>
Reviewed-by: Lizhi Hou <... | ```diff
diff --git a/drivers/accel/ivpu/ivpu_gem.c b/drivers/accel/ivpu/ivpu_gem.c
index 5908268ca45e..248bfebeaa22 100644
--- a/drivers/accel/ivpu/ivpu_gem.c
+++ b/drivers/accel/ivpu/ivpu_gem.c
@@ -285,7 +285,8 @@ static void ivpu_gem_bo_free(struct drm_gem_object *obj)
list_del(&bo->bo_list_node);
mutex_unlock(&v... |
8337204c58899fe422db765b481711eb2d95eb0b | Analyze and fix the following issue in the Linux kernel code: futex: Handle invalid node numbers supplied by user | Problem Details:
syzbot used a negative node number which was not rejected early and led
to invalid memory access in node_possible().
Reject negative node numbers except for FUTEX_NO_NODE.
[bigeasy: Keep the FUTEX_NO_NODE check]
Closes: https://lore.kernel.org/all/6835bfe3.a70a0220.253bc2.00b5.GAE@google.com/
Fixes:... | ```diff
diff --git a/kernel/futex/core.c b/kernel/futex/core.c
index 565f9717c6ca..b652d2f60c40 100644
--- a/kernel/futex/core.c
+++ b/kernel/futex/core.c
@@ -583,8 +583,8 @@ int get_futex_key(u32 __user *uaddr, unsigned int flags, union futex_key *key,
if (futex_get_value(&node, naddr))
return -EFAULT;
- if ... |
0ecb4232fc65e659ca7020f8bb2e0fc347acfb7d | Analyze and fix the following issue in the Linux kernel code: selftests/futex: Set the home_node in futex_numa_mpol | Problem Details:
The test fails at the MPOL step if multiple nodes are available. The
reason is that mbind() sets the policy but the home_node, which is
retrieved by the futex code, is not set. This causes to retrieve the
current node and with multiple nodes it fails on one of the iterations.
Use numa_set_mempolicy_ho... | ```diff
diff --git a/tools/testing/selftests/futex/functional/futex_numa_mpol.c b/tools/testing/selftests/futex/functional/futex_numa_mpol.c
index 564dbd02d2f4..a9ecfb2d3932 100644
--- a/tools/testing/selftests/futex/functional/futex_numa_mpol.c
+++ b/tools/testing/selftests/futex/functional/futex_numa_mpol.c
@@ -210,6... |
1a9dcf69c7a97e733aa2fc026db22f22928ca7b7 | Analyze and fix the following issue in the Linux kernel code: selftests/futex: getopt() requires int as return value. | Problem Details:
Mark reported that futex_priv_hash fails on ARM64.
It turns out that the command line parsing does not terminate properly
and ends in the default case assuming an invalid option was passed.
Use an int as the return type for getopt().
Closes: https://lore.kernel.org/all/31869a69-063f-44a3-a079-ba71b25... | ```diff
diff --git a/tools/testing/selftests/futex/functional/futex_numa_mpol.c b/tools/testing/selftests/futex/functional/futex_numa_mpol.c
index 20a9d3ecf743..564dbd02d2f4 100644
--- a/tools/testing/selftests/futex/functional/futex_numa_mpol.c
+++ b/tools/testing/selftests/futex/functional/futex_numa_mpol.c
@@ -144,7... |
3172fb986666dfb71bf483b6d3539e1e587fa197 | Analyze and fix the following issue in the Linux kernel code: perf/core: Fix WARN in perf_cgroup_switch() | Problem Details:
There may be concurrency between perf_cgroup_switch and
perf_cgroup_event_disable. Consider the following scenario: after a new
perf cgroup event is created on CPU0, the new event may not trigger
a reprogramming, causing ctx->is_active to be 0. In this case, when CPU1
disables this perf event, it execu... | ```diff
diff --git a/kernel/events/core.c b/kernel/events/core.c
index d78608323916..d7cf008f3d75 100644
--- a/kernel/events/core.c
+++ b/kernel/events/core.c
@@ -207,6 +207,19 @@ static void perf_ctx_unlock(struct perf_cpu_context *cpuctx,
__perf_ctx_unlock(&cpuctx->ctx);
}
+typedef struct {
+ struct perf_cpu_con... |
3b7a34aebbdf2a4b7295205bf0c654294283ec82 | Analyze and fix the following issue in the Linux kernel code: perf: Fix dangling cgroup pointer in cpuctx | Problem Details:
Commit a3c3c6667("perf/core: Fix child_total_time_enabled accounting
bug at task exit") moves the event->state update to before
list_del_event(). This makes the event->state test in list_del_event()
always false; never calling perf_cgroup_event_disable().
As a result, cpuctx->cgrp won't be cleared pro... | ```diff
diff --git a/kernel/events/core.c b/kernel/events/core.c
index 1cc98b9b3c0b..d78608323916 100644
--- a/kernel/events/core.c
+++ b/kernel/events/core.c
@@ -2120,18 +2120,6 @@ list_del_event(struct perf_event *event, struct perf_event_context *ctx)
if (event->group_leader == event)
del_event_from_groups(even... |
61988e36dc5457cdff7ae7927e8d9ad1419ee998 | Analyze and fix the following issue in the Linux kernel code: perf: Fix cgroup state vs ERROR | Problem Details:
While chasing down a missing perf_cgroup_event_disable() elsewhere,
Leo Yan found that both perf_put_aux_event() and
perf_remove_sibling_event() were also missing one.
Specifically, the rule is that events that switch to OFF,ERROR need to
call perf_cgroup_event_disable().
Unify the disable paths to e... | ```diff
diff --git a/kernel/events/core.c b/kernel/events/core.c
index 26dec1d8a5ab..1cc98b9b3c0b 100644
--- a/kernel/events/core.c
+++ b/kernel/events/core.c
@@ -2149,8 +2149,9 @@ perf_aux_output_match(struct perf_event *event, struct perf_event *aux_event)
}
static void put_event(struct perf_event *event);
-stati... |
4f6fc782128355931527cefe3eb45338abd8ab39 | Analyze and fix the following issue in the Linux kernel code: perf: Fix sample vs do_exit() | Problem Details:
Baisheng Gao reported an ARM64 crash, which Mark decoded as being a
synchronous external abort -- most likely due to trying to access
MMIO in bad ways.
The crash further shows perf trying to do a user stack sample while in
exit_mmap()'s tlb_finish_mmu() -- i.e. while tearing down the address
space it ... | ```diff
diff --git a/kernel/events/core.c b/kernel/events/core.c
index f34c99f8ce8f..26dec1d8a5ab 100644
--- a/kernel/events/core.c
+++ b/kernel/events/core.c
@@ -7439,6 +7439,10 @@ perf_sample_ustack_size(u16 stack_size, u16 header_size,
if (!regs)
return 0;
+ /* No mm, no stack, no dump. */
+ if (!current->mm)... |
a47e36dc5d90dc664cac87304c17d50f1595d634 | Analyze and fix the following issue in the Linux kernel code: accel/ivpu: Trigger device recovery on engine reset/resume failure | Problem Details:
Trigger full device recovery when the driver fails to restore device state
via engine reset and resume operations. This is necessary because, even if
submissions from a faulty context are blocked, the NPU may still process
previously submitted faulty jobs if the engine reset fails to abort them.
Such j... | ```diff
diff --git a/drivers/accel/ivpu/ivpu_job.c b/drivers/accel/ivpu/ivpu_job.c
index 1c8e283ad985..fae8351aa330 100644
--- a/drivers/accel/ivpu/ivpu_job.c
+++ b/drivers/accel/ivpu/ivpu_job.c
@@ -986,7 +986,8 @@ void ivpu_context_abort_work_fn(struct work_struct *work)
return;
if (vdev->fw->sched_mode == VPU_... |
98d3f772ca7d6822bdfc8c960f5f909574db97c9 | Analyze and fix the following issue in the Linux kernel code: accel/ivpu: Use dma_resv_lock() instead of a custom mutex | Problem Details:
This fixes a potential race conditions in:
- ivpu_bo_unbind_locked() where we modified the shmem->sgt without
holding the dma_resv_lock().
- ivpu_bo_print_info() where we read the shmem->pages without
holding the dma_resv_lock().
Using dma_resv_lock() also protects against future syncronisatio... | ```diff
diff --git a/drivers/accel/ivpu/ivpu_gem.c b/drivers/accel/ivpu/ivpu_gem.c
index c193a80241f5..5908268ca45e 100644
--- a/drivers/accel/ivpu/ivpu_gem.c
+++ b/drivers/accel/ivpu/ivpu_gem.c
@@ -33,6 +33,16 @@ static inline void ivpu_dbg_bo(struct ivpu_device *vdev, struct ivpu_bo *bo, con
(bool)bo->base.base.i... |
714d02b41939d2720379e11ef25227aec4e5bec9 | Analyze and fix the following issue in the Linux kernel code: ovl: fix regression caused by lookup helpers API changes | Problem Details:
The lookup helpers API was changed by merge of vfs-6.16-rc1.async.dir to
pass a non-const qstr pointer argument to lookup_one*() helpers.
All of the callers of this API were changed to pass a pointer to temp
copy of qstr, except overlays that was passing a const pointer to
dentry->d_name that was chan... | ```diff
diff --git a/fs/overlayfs/namei.c b/fs/overlayfs/namei.c
index bf722daf19a9..f75c49ceb460 100644
--- a/fs/overlayfs/namei.c
+++ b/fs/overlayfs/namei.c
@@ -1371,7 +1371,7 @@ out:
bool ovl_lower_positive(struct dentry *dentry)
{
struct ovl_entry *poe = OVL_E(dentry->d_parent);
- struct qstr *name = &dentry->d... |
8af7a919c52f02514a145f995cbdf0deadb8075a | Analyze and fix the following issue in the Linux kernel code: netlink: specs: rt-link: decode ip6gre | Problem Details:
Driver tests now require GRE tunnels, while we don't configure
them with YNL, YNL will complain when it sees link types it
doesn't recognize. Teach it decoding ip6gre tunnels. The attrs
are largely the same as IPv4 GRE.
Correct the type of encap-limit, but note that this attr is
only used in ip6gre, s... | ```diff
diff --git a/Documentation/netlink/specs/rt-link.yaml b/Documentation/netlink/specs/rt-link.yaml
index 6521125162e6..b41b31eebcae 100644
--- a/Documentation/netlink/specs/rt-link.yaml
+++ b/Documentation/netlink/specs/rt-link.yaml
@@ -1717,7 +1717,7 @@ attribute-sets:
type: u8
-
name: e... |
de92258e3b22bd4ce920715cc91f09d788e5badf | Analyze and fix the following issue in the Linux kernel code: netlink: specs: rt-link: add missing byte-order properties | Problem Details:
A number of fields in the ip tunnels are lacking the big-endian
designation. I suspect this is not intentional, as decoding
the ports with the right endian seems objectively beneficial.
Fixes: 6ffdbb93a59c ("netlink: specs: rt_link: decode ip6tnl, vti and vti6 link attrs")
Fixes: 077b6022d24b ("doc/ne... | ```diff
diff --git a/Documentation/netlink/specs/rt-link.yaml b/Documentation/netlink/specs/rt-link.yaml
index 5ec3d35b7a38..6521125162e6 100644
--- a/Documentation/netlink/specs/rt-link.yaml
+++ b/Documentation/netlink/specs/rt-link.yaml
@@ -1685,15 +1685,19 @@ attribute-sets:
-
name: iflags
t... |
11709abccf93b08adde95ef313c300b0d4bc28f1 | Analyze and fix the following issue in the Linux kernel code: s390/mm: Fix in_atomic() handling in do_secure_storage_access() | Problem Details:
Kernel user spaces accesses to not exported pages in atomic context
incorrectly try to resolve the page fault.
With debug options enabled call traces like this can be seen:
BUG: sleeping function called from invalid context at kernel/locking/rwsem.c:1523
in_atomic(): 1, irqs_disabled(): 0, non_block: ... | ```diff
diff --git a/arch/s390/mm/fault.c b/arch/s390/mm/fault.c
index da84ff6770de..8b3f6dd00eab 100644
--- a/arch/s390/mm/fault.c
+++ b/arch/s390/mm/fault.c
@@ -442,6 +442,8 @@ void do_secure_storage_access(struct pt_regs *regs)
if (rc)
BUG();
} else {
+ if (faulthandler_disabled())
+ return handle_fault_... |
501fe52aa908c96f2c9b8d54767938a1a5960354 | Analyze and fix the following issue in the Linux kernel code: net: wwan: mhi_wwan_mbim: use correct mux_id for multiplexing | Problem Details:
Recent Qualcomm chipsets like SDX72/75 require MBIM sessionId mapping
to muxId in the range (0x70-0x8F) for the PCIe tethered use.
This has been partially addressed by the referenced commit, mapping
the default data call to muxId = 112, but the multiplexed data calls
scenario was not properly consider... | ```diff
diff --git a/drivers/net/wwan/mhi_wwan_mbim.c b/drivers/net/wwan/mhi_wwan_mbim.c
index 8755c5e6a65b..c814fbd756a1 100644
--- a/drivers/net/wwan/mhi_wwan_mbim.c
+++ b/drivers/net/wwan/mhi_wwan_mbim.c
@@ -550,8 +550,8 @@ static int mhi_mbim_newlink(void *ctxt, struct net_device *ndev, u32 if_id,
struct mhi_mbim... |
1e1f706fc2ce90eaaf3480b3d5f27885960d751c | Analyze and fix the following issue in the Linux kernel code: wifi: cfg80211/mac80211: correctly parse S1G beacon optional elements | Problem Details:
S1G beacons are not traditional beacons but a type of extension frame.
Extension frames contain the frame control and duration fields, followed
by zero or more optional fields before the frame body. These optional
fields are distinct from the variable length elements.
The presence of optional fields i... | ```diff
diff --git a/include/linux/ieee80211.h b/include/linux/ieee80211.h
index 420c7f9aa6ee..ce377f7fb912 100644
--- a/include/linux/ieee80211.h
+++ b/include/linux/ieee80211.h
@@ -111,6 +111,8 @@
/* bits unique to S1G beacon */
#define IEEE80211_S1G_BCN_NEXT_TBTT 0x100
+#define IEEE80211_S1G_BCN_CSSID 0x200
+#d... |
e56a50ff7c12983aba710bd02a2c2ad401379e91 | Analyze and fix the following issue in the Linux kernel code: um: remove "extern" from implementation of sigchld_handler | Problem Details:
There is no need to mark the function as extern in the implementation.
Reported-by: kernel test robot <lkp@intel.com>
Closes: https://lore.kernel.org/oe-kbuild-all/202506051226.X8r7X5aa-lkp@intel.com/
Fixes: 8420e08fe3a5 ("um: Track userspace children dying in SECCOMP mode")
Signed-off-by: Benjamin Be... | ```diff
diff --git a/arch/um/kernel/irq.c b/arch/um/kernel/irq.c
index f1787be3983c..0dfaf96bb7da 100644
--- a/arch/um/kernel/irq.c
+++ b/arch/um/kernel/irq.c
@@ -691,8 +691,8 @@ void __init init_IRQ(void)
os_setup_epoll();
}
-extern void sigchld_handler(int sig, struct siginfo *unused_si,
- struct uml_pt_re... |
27a041040f2c6cfbbc24053bce9acb2e801e4e71 | Analyze and fix the following issue in the Linux kernel code: um: fix unused variable warning | Problem Details:
The code was updated to access the PID of the userspace stub process in
a different way, making the local cpu variable obsolete. Remove it.
Reported-by: kernel test robot <lkp@intel.com>
Closes: https://lore.kernel.org/oe-kbuild-all/202506050008.AwXLNxQX-lkp@intel.com/
Fixes: 406d17c6c370 ("um: Implem... | ```diff
diff --git a/arch/x86/um/tls_32.c b/arch/x86/um/tls_32.c
index 21cbb70cf771..cb3f17627d16 100644
--- a/arch/x86/um/tls_32.c
+++ b/arch/x86/um/tls_32.c
@@ -25,7 +25,6 @@ int host_gdt_entry_tls_min;
static int do_set_thread_area(struct task_struct* task, struct user_desc *info)
{
int ret;
- u32 cpu;
if (i... |
bc1a65eb81a21e2aa3c3dca058ee8adf687b6ef5 | Analyze and fix the following issue in the Linux kernel code: net: dsa: b53: do not touch DLL_IQQD on bcm53115 | Problem Details:
According to OpenMDK, bit 2 of the RGMII register has a different
meaning for BCM53115 [1]:
"DLL_IQQD 1: In the IDDQ mode, power is down0: Normal function
mode"
Configuring RGMII delay works without setting this bit, so let's keep it
at the default. For other chips, we alway... | ```diff
diff --git a/drivers/net/dsa/b53/b53_common.c b/drivers/net/dsa/b53/b53_common.c
index be4493b769f4..862bdccb7439 100644
--- a/drivers/net/dsa/b53/b53_common.c
+++ b/drivers/net/dsa/b53/b53_common.c
@@ -1354,8 +1354,7 @@ static void b53_adjust_531x5_rgmii(struct dsa_switch *ds, int port,
* tx_clk aligned tim... |
5ea0d42c1980e6d10e5cb56a78021db5bfcebaaf | Analyze and fix the following issue in the Linux kernel code: net: dsa: b53: allow RGMII for bcm63xx RGMII ports | Problem Details:
Add RGMII to supported interfaces for BCM63xx RGMII ports so they can be
actually used in RGMII mode.
Without this, phylink will fail to configure them:
[ 3.580000] b53-switch 10700000.switch GbE3 (uninitialized): validation of rgmii with support 0000000,00000000,00000000,000062ff and advertisemen... | ```diff
diff --git a/drivers/net/dsa/b53/b53_common.c b/drivers/net/dsa/b53/b53_common.c
index 3f4934f974c8..be4493b769f4 100644
--- a/drivers/net/dsa/b53/b53_common.c
+++ b/drivers/net/dsa/b53/b53_common.c
@@ -1439,6 +1439,10 @@ static void b53_phylink_get_caps(struct dsa_switch *ds, int port,
__set_bit(PHY_INTERFAC... |
75f4f7b2b13008803f84768ff90396f9d7553221 | Analyze and fix the following issue in the Linux kernel code: net: dsa: b53: do not configure bcm63xx's IMP port interface | Problem Details:
The IMP port is not a valid RGMII interface, but hard wired to internal,
so we shouldn't touch the undefined register B53_RGMII_CTRL_IMP.
While this does not seem to have any side effects, let's not touch it at
all, so limit RGMII configuration on bcm63xx to the actual RGMII ports.
Fixes: ce3bf94871f... | ```diff
diff --git a/drivers/net/dsa/b53/b53_common.c b/drivers/net/dsa/b53/b53_common.c
index c186ee3fb28d..3f4934f974c8 100644
--- a/drivers/net/dsa/b53/b53_common.c
+++ b/drivers/net/dsa/b53/b53_common.c
@@ -22,6 +22,7 @@
#include <linux/gpio.h>
#include <linux/kernel.h>
#include <linux/math.h>
+#include <linux/m... |
4af523551d876ab8b8057d1e5303a860fd736fcb | Analyze and fix the following issue in the Linux kernel code: net: dsa: b53: do not enable RGMII delay on bcm63xx | Problem Details:
bcm63xx's RGMII ports are always in MAC mode, never in PHY mode, so we
shouldn't enable any delays and let the PHY handle any delays as
necessary.
This fixes using RGMII ports with normal PHYs like BCM54612E, which will
handle the delay in the PHY.
Fixes: ce3bf94871f7 ("net: dsa: b53: add support for... | ```diff
diff --git a/drivers/net/dsa/b53/b53_common.c b/drivers/net/dsa/b53/b53_common.c
index 8a6a370c8580..c186ee3fb28d 100644
--- a/drivers/net/dsa/b53/b53_common.c
+++ b/drivers/net/dsa/b53/b53_common.c
@@ -1330,24 +1330,7 @@ static void b53_adjust_63xx_rgmii(struct dsa_switch *ds, int port,
off = B53_RGMII_CTRL... |
1237c2d4a8db79dfd4369bff6930b0e385ed7d5c | Analyze and fix the following issue in the Linux kernel code: net: dsa: b53: do not enable EEE on bcm63xx | Problem Details:
BCM63xx internal switches do not support EEE, but provide multiple RGMII
ports where external PHYs may be connected. If one of these PHYs are EEE
capable, we may try to enable EEE for the MACs, which then hangs the
system on access of the (non-existent) EEE registers.
Fix this by checking if the switc... | ```diff
diff --git a/drivers/net/dsa/b53/b53_common.c b/drivers/net/dsa/b53/b53_common.c
index 132683ed3abe..8a6a370c8580 100644
--- a/drivers/net/dsa/b53/b53_common.c
+++ b/drivers/net/dsa/b53/b53_common.c
@@ -2353,6 +2353,9 @@ int b53_eee_init(struct dsa_switch *ds, int port, struct phy_device *phy)
{
int ret;
+... |
919d763d609428c2680ec8159257d9655f002f89 | Analyze and fix the following issue in the Linux kernel code: net: ti: icssg-prueth: Fix swapped TX stats for MII interfaces. | Problem Details:
In MII mode, Tx lines are swapped for port0 and port1, which means
Tx port0 receives data from PRU1 and the Tx port1 receives data from
PRU0. This is an expected hardware behavior and reading the Tx stats
needs to be handled accordingly in the driver. Update the driver to
read Tx stats from the PRU1 fo... | ```diff
diff --git a/drivers/net/ethernet/ti/icssg/icssg_stats.c b/drivers/net/ethernet/ti/icssg/icssg_stats.c
index e8241e998aa9..7159baa0155c 100644
--- a/drivers/net/ethernet/ti/icssg/icssg_stats.c
+++ b/drivers/net/ethernet/ti/icssg/icssg_stats.c
@@ -28,6 +28,14 @@ void emac_update_hardware_stats(struct prueth_emac... |
3c3c3248496a3a1848ec5d923f2eee0edf60226e | Analyze and fix the following issue in the Linux kernel code: selftests: netfilter: nft_nat.sh: add test for reverse clash with nat | Problem Details:
This will fail without the previous bug fix because we erronously
believe that the clashing entry went way.
However, the clash exists in the opposite direction due to an
existing nat mapping:
PASS: IP statless for ns2-LgTIuS
ERROR: failed to test udp ns1-x4iyOW to ns2-LgTIuS with dnat rule step 2, r... | ```diff
diff --git a/tools/testing/selftests/net/netfilter/nft_nat.sh b/tools/testing/selftests/net/netfilter/nft_nat.sh
index 9e39de26455f..a954754b99b3 100755
--- a/tools/testing/selftests/net/netfilter/nft_nat.sh
+++ b/tools/testing/selftests/net/netfilter/nft_nat.sh
@@ -866,6 +866,24 @@ EOF
ip netns exec "$ns0" n... |
50d9ce9679dd50df2dc51ada717fa875bc248fad | Analyze and fix the following issue in the Linux kernel code: netfilter: nf_nat: also check reverse tuple to obtain clashing entry | Problem Details:
The logic added in the blamed commit was supposed to only omit nat source
port allocation if neither the existing nor the new entry are subject to
NAT.
However, its not enough to lookup the conntrack based on the proposed
tuple, we must also check the reverse direction.
Otherwise there are esoteric c... | ```diff
diff --git a/net/netfilter/nf_nat_core.c b/net/netfilter/nf_nat_core.c
index aad84aabd7f1..f391cd267922 100644
--- a/net/netfilter/nf_nat_core.c
+++ b/net/netfilter/nf_nat_core.c
@@ -248,7 +248,7 @@ static noinline bool
nf_nat_used_tuple_new(const struct nf_conntrack_tuple *tuple,
const struct nf_conn... |
38399f2b0fe4d44226bfb7eba9e137251c8b2571 | Analyze and fix the following issue in the Linux kernel code: selftests: netfilter: nft_concat_range.sh: add datapath check for map fill bug | Problem Details:
commit 0935ee6032df ("selftests: netfilter: add test case for recent mismatch bug")
added a regression check for incorrect initial fill of the result map
that was fixed with 791a615b7ad2 ("netfilter: nf_set_pipapo: fix initial map fill").
The test used 'nft get element', i.e., control plane checks for... | ```diff
diff --git a/tools/testing/selftests/net/netfilter/nft_concat_range.sh b/tools/testing/selftests/net/netfilter/nft_concat_range.sh
index 86b8ce742700..cd12b8b5ac0e 100755
--- a/tools/testing/selftests/net/netfilter/nft_concat_range.sh
+++ b/tools/testing/selftests/net/netfilter/nft_concat_range.sh
@@ -378,7 +37... |
ea77c397bff8b6d59f6d83dae1425b08f465e8b5 | Analyze and fix the following issue in the Linux kernel code: netfilter: nf_set_pipapo_avx2: fix initial map fill | Problem Details:
If the first field doesn't cover the entire start map, then we must zero
out the remainder, else we leak those bits into the next match round map.
The early fix was incomplete and did only fix up the generic C
implementation.
A followup patch adds a test case to nft_concat_range.sh.
Fixes: 791a615b7... | ```diff
diff --git a/net/netfilter/nft_set_pipapo_avx2.c b/net/netfilter/nft_set_pipapo_avx2.c
index c15db28c5ebc..be7c16c79f71 100644
--- a/net/netfilter/nft_set_pipapo_avx2.c
+++ b/net/netfilter/nft_set_pipapo_avx2.c
@@ -1113,6 +1113,25 @@ bool nft_pipapo_avx2_estimate(const struct nft_set_desc *desc, u32 features,
... |
9d9fca62dc49d96f97045b6d8e7402a95f8cf92a | Analyze and fix the following issue in the Linux kernel code: drm/xe/guc_submit: add back fix | Problem Details:
Daniele noticed that the fix in commit 2d2be279f1ca ("drm/xe: fix UAF
around queue destruction") looks to have been unintentionally removed as
part of handling a conflict in some past merge commit. Add it back.
Fixes: ac44ff7cec33 ("Merge tag 'drm-xe-fixes-2024-10-10' of https://gitlab.freedesktop.org... | ```diff
diff --git a/drivers/gpu/drm/xe/xe_guc_submit.c b/drivers/gpu/drm/xe/xe_guc_submit.c
index 80f748baad3f..2b61d017eeca 100644
--- a/drivers/gpu/drm/xe/xe_guc_submit.c
+++ b/drivers/gpu/drm/xe/xe_guc_submit.c
@@ -229,6 +229,17 @@ static bool exec_queue_killed_or_banned_or_wedged(struct xe_exec_queue *q)
static v... |
5dc1ea903588a73fb03b3a3e5a041a7c63a4bccd | Analyze and fix the following issue in the Linux kernel code: drm/panel-simple: fix the warnings for the Evervision VGG644804 | Problem Details:
The panel lacked the connector type which causes a warning. Adding the
connector type reveals wrong bus_flags and bits per pixel. Fix all of
it.
Fixes: 1319f2178bdf ("drm/panel-simple: add Evervision VGG644804 panel entry")
Signed-off-by: Michael Walle <mwalle@kernel.org>
Reviewed-by: Neil Armstrong <... | ```diff
diff --git a/drivers/gpu/drm/panel/panel-simple.c b/drivers/gpu/drm/panel/panel-simple.c
index 33a37539de57..3aaac96c0bfb 100644
--- a/drivers/gpu/drm/panel/panel-simple.c
+++ b/drivers/gpu/drm/panel/panel-simple.c
@@ -2199,13 +2199,14 @@ static const struct display_timing evervision_vgg644804_timing = {
stati... |
4d20c1b073e6b501ec82db2d409f27a8eccb2b5e | Analyze and fix the following issue in the Linux kernel code: dt-bindings: vendor-prefixes: Add prefix for Huiling | Problem Details:
Shenzhen Huiling Information Technology Co. Ltd. specializes in the
research and manufacturing of display and touch screens for industrial
usage. https://en.szhuiling.com/
Signed-off-by: Chris Morgan <macromorgan@hotmail.com>
Acked-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Signed-off-by... | ```diff
diff --git a/Documentation/devicetree/bindings/vendor-prefixes.yaml b/Documentation/devicetree/bindings/vendor-prefixes.yaml
index 6136c8832a66..30c8def3c3ab 100644
--- a/Documentation/devicetree/bindings/vendor-prefixes.yaml
+++ b/Documentation/devicetree/bindings/vendor-prefixes.yaml
@@ -670,6 +670,8 @@ patte... |
cf8651f7319d12a6fd81e1d001afb0958ee2bf28 | Analyze and fix the following issue in the Linux kernel code: riscv: sbi: add Firmware Feature (FWFT) SBI extensions definitions | Problem Details:
The Firmware Features extension (FWFT) was added as part of the SBI 3.0
specification. Add SBI definitions to use this extension.
Signed-off-by: Clément Léger <cleger@rivosinc.com>
Reviewed-by: Samuel Holland <samuel.holland@sifive.com>
Tested-by: Samuel Holland <samuel.holland@sifive.com>
Reviewed-by... | ```diff
diff --git a/arch/riscv/include/asm/sbi.h b/arch/riscv/include/asm/sbi.h
index 3d250824178b..bb077d0c912f 100644
--- a/arch/riscv/include/asm/sbi.h
+++ b/arch/riscv/include/asm/sbi.h
@@ -35,6 +35,7 @@ enum sbi_ext_id {
SBI_EXT_DBCN = 0x4442434E,
SBI_EXT_STA = 0x535441,
SBI_EXT_NACL = 0x4E41434C,
+ SBI_EXT... |
b55eb6eb2a7427428c59b293a0900131fc849595 | Analyze and fix the following issue in the Linux kernel code: pidfs: never refuse ppid == 0 in PIDFD_GET_INFO | Problem Details:
In systemd we spotted an issue after switching to ioctl(PIDFD_GET_INFO)
for obtaining pid number the pidfd refers to, that for processes
with a parent from outer pidns PIDFD_GET_INFO unexpectedly yields
-ESRCH [1]. It turned out that there's an arbitrary check blocking
this, which is not really sensibl... | ```diff
diff --git a/fs/pidfs.c b/fs/pidfs.c
index c1f0a067be40..69919be1c9d8 100644
--- a/fs/pidfs.c
+++ b/fs/pidfs.c
@@ -366,7 +366,7 @@ static long pidfd_info(struct file *file, unsigned int cmd, unsigned long arg)
kinfo.pid = task_pid_vnr(task);
kinfo.mask |= PIDFD_INFO_PID;
- if (kinfo.pid == 0 || kinfo.tgid... |
3d11125ff624b540334f7134d98b94f3b980e85d | Analyze and fix the following issue in the Linux kernel code: bcachefs: add cond_resched() to handle_overwrites() | Problem Details:
Fix soft lockup warnings in btree nodes can.
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev> | ```diff
diff --git a/fs/bcachefs/btree_node_scan.c b/fs/bcachefs/btree_node_scan.c
index 5a97a6b8a757..a35847734a60 100644
--- a/fs/bcachefs/btree_node_scan.c
+++ b/fs/bcachefs/btree_node_scan.c
@@ -363,6 +363,8 @@ static int handle_overwrites(struct bch_fs *c,
min_heap_sift_down(nodes_heap, 0, &found_btree_node_h... |
29cc6fb7c068c773049d3bde14b939033893eff4 | Analyze and fix the following issue in the Linux kernel code: bcachefs: Fix subvol to missing root repair | Problem Details:
We had a bug where the root inode of a subvolume was erronously deleted:
bch2_evict_inode() called bch2_inode_rm(), meaning the VFS inode's
i_nlink was somehow set to 0 when it shouldn't have - the inode in the
btree indicated it clearly was not unlinked.
This has been addressed with additional safety... | ```diff
diff --git a/fs/bcachefs/subvolume.c b/fs/bcachefs/subvolume.c
index 60c10365c285..020587449123 100644
--- a/fs/bcachefs/subvolume.c
+++ b/fs/bcachefs/subvolume.c
@@ -130,10 +130,20 @@ static int check_subvol(struct btree_trans *trans,
"subvolume %llu points to missing subvolume root %llu:%u",
... |
09fb85ae565645b982e9030dbb2ff6707f2cdddc | Analyze and fix the following issue in the Linux kernel code: bcachefs: Run may_delete_deleted_inode() checks in bch2_inode_rm() | Problem Details:
We had a bug where bch2_evict_inode() incorrectly called bch2_inode_rm()
- the journal clearly showed the inode was not unlinked.
We've got checks that we use in recovery when cleaning up deleted
inodes, lift them to bch2_inode_rm() as well.
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev> | ```diff
diff --git a/fs/bcachefs/errcode.h b/fs/bcachefs/errcode.h
index 6e0bf7ff2641..ac3264134a15 100644
--- a/fs/bcachefs/errcode.h
+++ b/fs/bcachefs/errcode.h
@@ -214,6 +214,8 @@
x(EINVAL, remove_would_lose_data) \
x(EINVAL, no_resize_with_buckets_nouse) \
x(EINVAL, inode_unpack_error) \
+ x(EINVAL... |
9f2dc5f39431a17d304e5845a3f7e78905473442 | Analyze and fix the following issue in the Linux kernel code: bcachefs: Fix oops in btree_node_seq_matches() | Problem Details:
btree_update_nodes_written() needs to wait on in-flight writes to old
nodes before marking them as freed. But it has no reason to pin those
old nodes in memory, so some trickyness ensues.
The update we're completing deleted references to those nodes from the
btree, so we know if they've been evicted t... | ```diff
diff --git a/fs/bcachefs/btree_update_interior.c b/fs/bcachefs/btree_update_interior.c
index e3639008be5c..d2ecb782919b 100644
--- a/fs/bcachefs/btree_update_interior.c
+++ b/fs/bcachefs/btree_update_interior.c
@@ -684,12 +684,31 @@ static void btree_update_nodes_written(struct btree_update *as)
/*
* Wai... |
2bf380c005adcc653464215a5170afa3367c0b22 | Analyze and fix the following issue in the Linux kernel code: bcachefs: Fix dirent_casefold_mismatch repair | Problem Details:
Instead of simply recreating a mis-casefolded dirent, use the str_hash
repair code, which will rename it if necessary - the dirent might have
been created again with the correct casefolding.
Factor out out bch2_str_hash_repair key() from
__bch2_str_hash_check_key() for the new path to use, and export
... | ```diff
diff --git a/fs/bcachefs/dirent.c b/fs/bcachefs/dirent.c
index 36bccd2a2763..300f7cc8abdf 100644
--- a/fs/bcachefs/dirent.c
+++ b/fs/bcachefs/dirent.c
@@ -288,7 +288,7 @@ int bch2_dirent_init_name(struct bkey_i_dirent *dirent,
return 0;
}
-static struct bkey_i_dirent *dirent_create_key(struct btree_trans *... |
b938d3c970175b2f3d22865dc077482fc6137828 | Analyze and fix the following issue in the Linux kernel code: bcachefs: Fix bch2_fsck_rename_dirent() for casefold | Problem Details:
bch2_fsck_renamed_dirent was creating bch_dirent keys open-coded - but
we need to use the appropriate helper, if the directory is casefolded.
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev> | ```diff
diff --git a/fs/bcachefs/fsck.c b/fs/bcachefs/fsck.c
index dedb80f71049..4a72dbdcc0e6 100644
--- a/fs/bcachefs/fsck.c
+++ b/fs/bcachefs/fsck.c
@@ -2184,6 +2184,10 @@ static int check_dirent(struct btree_trans *trans, struct btree_iter *iter,
*hash_info = bch2_hash_info_init(c, &i->inode);
dir->first_this_i... |
01d925f7e18360f740e7b75bfad9b6e55fd4dc53 | Analyze and fix the following issue in the Linux kernel code: bcachefs: Fix -Wc23-extensions in bch2_check_dirents() | Problem Details:
Clang warns (or errors with CONFIG_WERROR=y):
fs/bcachefs/fsck.c:2325:2: error: label followed by a declaration is a C23 extension [-Werror,-Wc23-extensions]
2325 | int ret = bch2_trans_run(c,
| ^
On clang-17 and older, this is an unconditional error:
fs/bcachefs/fsck.... | ```diff
diff --git a/fs/bcachefs/fsck.c b/fs/bcachefs/fsck.c
index 458f61c33958..dedb80f71049 100644
--- a/fs/bcachefs/fsck.c
+++ b/fs/bcachefs/fsck.c
@@ -2313,10 +2313,11 @@ int bch2_check_dirents(struct bch_fs *c)
struct snapshots_seen s;
struct bch_hash_info hash_info;
bool need_second_pass = false, did_second... |
dd2922dcfaa3296846265e113309e5f7f138839f | Analyze and fix the following issue in the Linux kernel code: fs/resctrl: Restore the rdt_last_cmd_clear() calls after acquiring rdtgroup_mutex | Problem Details:
A lockdep fix removed two rdt_last_cmd_clear() calls that were used to
clear the last_cmd_status buffer but called without holding the required
rdtgroup_mutex.
The impacted resctrl commands are writing to the cpus or cpus_list files
and creating a new monitor or control group. With stale data in the
l... | ```diff
diff --git a/fs/resctrl/rdtgroup.c b/fs/resctrl/rdtgroup.c
index cc37f58b47dd..1beb124e25f6 100644
--- a/fs/resctrl/rdtgroup.c
+++ b/fs/resctrl/rdtgroup.c
@@ -536,6 +536,8 @@ static ssize_t rdtgroup_cpus_write(struct kernfs_open_file *of,
goto unlock;
}
+ rdt_last_cmd_clear();
+
if (rdtgrp->mode == RDT... |
079afb081c4288e94d5e4223d3eb6306d853c68b | Analyze and fix the following issue in the Linux kernel code: io_uring/futex: mark wait requests as inflight | Problem Details:
Inflight marking is used so that do_exit() -> io_uring_files_cancel()
will find requests with files that reference an io_uring instance,
so they can get appropriately canceled before the files go away.
However, it's also called before the mm goes away.
Mark futex/futexv wait requests as being inflight... | ```diff
diff --git a/io_uring/futex.c b/io_uring/futex.c
index 5a3991b0d1a7..692462d50c8c 100644
--- a/io_uring/futex.c
+++ b/io_uring/futex.c
@@ -145,6 +145,8 @@ int io_futex_prep(struct io_kiocb *req, const struct io_uring_sqe *sqe)
!futex_validate_input(iof->futex_flags, iof->futex_mask))
return -EINVAL;
... |
847a4bf1b4bdcc224196d77714f71e36822fed70 | Analyze and fix the following issue in the Linux kernel code: wifi: iwlwifi: pcie: fix non-MSIX handshake register | Problem Details:
When reading the interrupt status after a FW reset handshake
timeout, read the actual value not the mask for the non-MSIX
case.
Fixes: ab606dea80c4 ("wifi: iwlwifi: pcie: add support for the reset handshake in MSI")
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Reviewed-by: Emmanuel Grumbach ... | ```diff
diff --git a/drivers/net/wireless/intel/iwlwifi/pcie/trans-gen2.c b/drivers/net/wireless/intel/iwlwifi/pcie/trans-gen2.c
index 38ad719161e6..c8f4f3a1d2eb 100644
--- a/drivers/net/wireless/intel/iwlwifi/pcie/trans-gen2.c
+++ b/drivers/net/wireless/intel/iwlwifi/pcie/trans-gen2.c
@@ -125,7 +125,7 @@ void iwl_tran... |
960c7e6d388034d219dafffa6da0a5c2ccd5ff30 | Analyze and fix the following issue in the Linux kernel code: wifi: iwlwifi: mld: avoid panic on init failure | Problem Details:
In case of an error during init, in_hw_restart will be set, but it will
never get cleared.
Instead, we will retry to init again, and then we will act like we are in a
restart when we are actually not.
This causes (among others) to a NULL pointer dereference when canceling
rx_omi::finished_work, that w... | ```diff
diff --git a/drivers/net/wireless/intel/iwlwifi/mld/mld.c b/drivers/net/wireless/intel/iwlwifi/mld/mld.c
index 8cdd960c5245..e8820e7cf8fa 100644
--- a/drivers/net/wireless/intel/iwlwifi/mld/mld.c
+++ b/drivers/net/wireless/intel/iwlwifi/mld/mld.c
@@ -653,7 +653,8 @@ iwl_mld_nic_error(struct iwl_op_mode *op_mode... |
264c844abb29530b3e16d255f1eb2ccb06316b1f | Analyze and fix the following issue in the Linux kernel code: wifi: iwlwifi: mvm: fix assert on suspend | Problem Details:
After using DEFINE_RAW_FLEX, cmd is a pointer to iwl_rxq_sync_cmd,
and not a variable containing both the command and notification.
Adjust hcmd->data and hcmd->len assignment as well.
Fixes: 7438843df8cf ("wifi: iwlwifi: mvm: Avoid -Wflex-array-member-not-at-end warning")
Signed-off-by: Miri Korenblit... | ```diff
diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/mac80211.c b/drivers/net/wireless/intel/iwlwifi/mvm/mac80211.c
index 0f056a6641bd..956b491ae5a4 100644
--- a/drivers/net/wireless/intel/iwlwifi/mvm/mac80211.c
+++ b/drivers/net/wireless/intel/iwlwifi/mvm/mac80211.c
@@ -6360,8 +6360,8 @@ void iwl_mvm_sync_rx_qu... |
1a576136f8d7089ef7f427dee8aa919a6edaef69 | Analyze and fix the following issue in the Linux kernel code: drm/ttm: Fix compile error when CONFIG_SHMEM is not set | Problem Details:
When CONFIG_SHMEM is not set, the following compiler error occurs:
ld: vmlinux.o: in function `ttm_backup_backup_page':
(.text+0x10363bc): undefined reference to `shmem_writeout'
make[3]: *** [/work/build/trace/nobackup/linux.git/scripts/Makefile.vmlinux:91: vmlinux.unstripped] Error 1
This is ... | ```diff
diff --git a/drivers/gpu/drm/Kconfig b/drivers/gpu/drm/Kconfig
index f094797f3b2b..ded28c71d89c 100644
--- a/drivers/gpu/drm/Kconfig
+++ b/drivers/gpu/drm/Kconfig
@@ -188,6 +188,7 @@ source "drivers/gpu/drm/display/Kconfig"
config DRM_TTM
tristate
depends on DRM && MMU
+ select SHMEM
help
GPU memory ... |
99e80508980583b1c0150b953b64a629211c4e23 | Analyze and fix the following issue in the Linux kernel code: drm/xe: Make VMA tile_present, tile_invalidated access rules clear | Problem Details:
Document VMA tile_invalidated access rules, use READ_ONCE / WRITE_ONCE
for opportunistic checks of tile_present and tile_invalidated, move
tile_invalidated state change from page fault handler to PT code under
the correct locks, and add lockdep asserts to TLB invalidation paths.
v2:
- Assert VM dma-r... | ```diff
diff --git a/drivers/gpu/drm/xe/xe_gt_pagefault.c b/drivers/gpu/drm/xe/xe_gt_pagefault.c
index e0e68eda82bd..e2d975b2fddb 100644
--- a/drivers/gpu/drm/xe/xe_gt_pagefault.c
+++ b/drivers/gpu/drm/xe/xe_gt_pagefault.c
@@ -69,8 +69,12 @@ static bool access_is_atomic(enum access_type access_type)
static bool vma_... |
791d76005de0ab556b590473eb4cbfede727fce0 | Analyze and fix the following issue in the Linux kernel code: drm/i915/display: Fix u32 overflow in SNPS PHY HDMI PLL setup | Problem Details:
When configuring the HDMI PLL, calculations use DIV_ROUND_UP_ULL and
DIV_ROUND_DOWN_ULL macros, which internally rely on do_div. However, do_div
expects a 32-bit (u32) divisor, and at higher data rates, the divisor can
exceed this limit. This leads to incorrect division results and
ultimately misconfig... | ```diff
diff --git a/drivers/gpu/drm/i915/display/intel_snps_hdmi_pll.c b/drivers/gpu/drm/i915/display/intel_snps_hdmi_pll.c
index c6321dafef4f..74bb3bedf30f 100644
--- a/drivers/gpu/drm/i915/display/intel_snps_hdmi_pll.c
+++ b/drivers/gpu/drm/i915/display/intel_snps_hdmi_pll.c
@@ -41,12 +41,12 @@ static s64 interp(s64... |
12c331b29c7397ac3b03584e12902990693bc248 | Analyze and fix the following issue in the Linux kernel code: gve: add missing NULL check for gve_alloc_pending_packet() in TX DQO | Problem Details:
gve_alloc_pending_packet() can return NULL, but gve_tx_add_skb_dqo()
did not check for this case before dereferencing the returned pointer.
Add a missing NULL check to prevent a potential NULL pointer
dereference when allocation fails.
This improves robustness in low-memory scenarios.
Fixes: a57e5de... | ```diff
diff --git a/drivers/net/ethernet/google/gve/gve_tx_dqo.c b/drivers/net/ethernet/google/gve/gve_tx_dqo.c
index a27f1574a733..9d705d94b065 100644
--- a/drivers/net/ethernet/google/gve/gve_tx_dqo.c
+++ b/drivers/net/ethernet/google/gve/gve_tx_dqo.c
@@ -764,6 +764,9 @@ static int gve_tx_add_skb_dqo(struct gve_tx_r... |
531bef26d189b28bf0d694878c0e064b30990b6c | Analyze and fix the following issue in the Linux kernel code: drm/xe/svm: Fix regression disallowing 64K SVM migration | Problem Details:
When changing the condition from >= SZ_64K, it was changed to <= SZ_64K.
This disallows migration of 64K, which is the exact minimum allowed.
Closes: https://gitlab.freedesktop.org/drm/xe/kernel/-/issues/5057
Fixes: a9ac0fa455b0 ("drm/xe: Strict migration policy for atomic SVM faults")
Cc: stable@vger... | ```diff
diff --git a/drivers/gpu/drm/xe/xe_svm.c b/drivers/gpu/drm/xe/xe_svm.c
index f27fb9b588de..83c63fd7b481 100644
--- a/drivers/gpu/drm/xe/xe_svm.c
+++ b/drivers/gpu/drm/xe/xe_svm.c
@@ -820,7 +820,7 @@ bool xe_svm_range_needs_migrate_to_vram(struct xe_svm_range *range, struct xe_vm
return false;
}
- if (pre... |
942349413a49670e8bed246e2185fd3a053227be | Analyze and fix the following issue in the Linux kernel code: um: fix SECCOMP 32bit xstate register restore | Problem Details:
There was a typo that caused the extended FP state to be copied into the
wrong location on 32 bit. On 32 bit we only store the xstate internally
as that already contains everything. However, for compatibility, the
mcontext on 32 bit first contains the legacy FP state and then the
xstate.
The code copi... | ```diff
diff --git a/arch/um/os-Linux/start_up.c b/arch/um/os-Linux/start_up.c
index 49015be1aaaf..a827c2e01aa5 100644
--- a/arch/um/os-Linux/start_up.c
+++ b/arch/um/os-Linux/start_up.c
@@ -296,10 +296,6 @@ static bool __init init_seccomp(void)
int n;
unsigned long sp;
- /* doesn't work on 32-bit right now */
- ... |
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