id stringlengths 40 40 | instruction stringlengths 68 308 | input stringlengths 17 33.4k | output stringlengths 100 30k |
|---|---|---|---|
f85c69369854a43af2c5d3b3896da0908d713133 | Analyze and fix the following issue in the Linux kernel code: net: dsa: mv88e6xxx: enable PVT for 6321 switch | Problem Details:
Commit f36456522168 ("net: dsa: mv88e6xxx: move PVT description in
info") did not enable PVT for 6321 switch. Fix it.
Fixes: f36456522168 ("net: dsa: mv88e6xxx: move PVT description in info")
Signed-off-by: Marek Behún <kabel@kernel.org>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Link: https://patch.ms... | ```diff
diff --git a/drivers/net/dsa/mv88e6xxx/chip.c b/drivers/net/dsa/mv88e6xxx/chip.c
index b989123cdbeb..3cddc8f084b3 100644
--- a/drivers/net/dsa/mv88e6xxx/chip.c
+++ b/drivers/net/dsa/mv88e6xxx/chip.c
@@ -6274,6 +6274,7 @@ static const struct mv88e6xxx_info mv88e6xxx_table[] = {
.g2_irqs = 10,
.stats_type =... |
4ae01ec007716986e1a20f1285eb013cbf188830 | Analyze and fix the following issue in the Linux kernel code: net: dsa: mv88e6xxx: fix atu_move_port_mask for 6341 family | Problem Details:
The atu_move_port_mask for 6341 family (Topaz) is 0xf, not 0x1f. The
PortVec field is 8 bits wide, not 11 as in 6390 family. Fix this.
Fixes: e606ca36bbf2 ("net: dsa: mv88e6xxx: rework ATU Remove")
Signed-off-by: Marek Behún <kabel@kernel.org>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Link: https://pa... | ```diff
diff --git a/drivers/net/dsa/mv88e6xxx/chip.c b/drivers/net/dsa/mv88e6xxx/chip.c
index 06b17c3b2205..b989123cdbeb 100644
--- a/drivers/net/dsa/mv88e6xxx/chip.c
+++ b/drivers/net/dsa/mv88e6xxx/chip.c
@@ -5818,7 +5818,7 @@ static const struct mv88e6xxx_info mv88e6xxx_table[] = {
.global1_addr = 0x1b,
.globa... |
f9a457722cf5e3534be5ffab549d6b49737fca72 | Analyze and fix the following issue in the Linux kernel code: net: dsa: mv88e6xxx: fix VTU methods for 6320 family | Problem Details:
The VTU registers of the 6320 family use the 6352 semantics, not 6185.
Fix it.
Fixes: b8fee9571063 ("net: dsa: mv88e6xxx: add VLAN Get Next support")
Signed-off-by: Marek Behún <kabel@kernel.org>
Cc: <stable@vger.kernel.org> # 5.15.x
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Link: https://patch.msgid.... | ```diff
diff --git a/drivers/net/dsa/mv88e6xxx/chip.c b/drivers/net/dsa/mv88e6xxx/chip.c
index 5db96ca52505..06b17c3b2205 100644
--- a/drivers/net/dsa/mv88e6xxx/chip.c
+++ b/drivers/net/dsa/mv88e6xxx/chip.c
@@ -5169,8 +5169,8 @@ static const struct mv88e6xxx_ops mv88e6320_ops = {
.hardware_reset_pre = mv88e6xxx_g2_ee... |
46367f09b2203f7c63f89293aea9279b875d0ff2 | Analyze and fix the following issue in the Linux kernel code: ARM: davinci: always enable CONFIG_ARCH_DAVINCI_DA850 | Problem Details:
A change to the clk driver broke configurations that enable DA830
but not DA850:
arm-linux-gnueabi-ld: drivers/clk/davinci/pll.o: in function `__da850_pll0_of_clk_init_declare':
pll.c:(.init.text+0x30): undefined reference to `of_da850_pll0_init'
arm-linux-gnueabi-ld: drivers/clk/davinci/pll.o:(.rodat... | ```diff
diff --git a/arch/arm/mach-davinci/Kconfig b/arch/arm/mach-davinci/Kconfig
index 2a8a9fe46586..b0b9739b53e1 100644
--- a/arch/arm/mach-davinci/Kconfig
+++ b/arch/arm/mach-davinci/Kconfig
@@ -4,6 +4,7 @@ menuconfig ARCH_DAVINCI
bool "TI DaVinci"
depends on ARCH_MULTI_V5
depends on CPU_LITTLE_ENDIAN
+ selec... |
b91e82129400bdc40ee1232aa7e32ae6027f9b4f | Analyze and fix the following issue in the Linux kernel code: bnxt_en: Linearize TX SKB if the fragments exceed the max | Problem Details:
If skb_shinfo(skb)->nr_frags excceds what the chip can support,
linearize the SKB and warn once to let the user know.
net.core.max_skb_frags can be lowered, for example, to avoid the
issue.
Fixes: 3948b05950fd ("net: introduce a config option to tweak MAX_SKB_FRAGS")
Reviewed-by: Somnath Kotur <somnat... | ```diff
diff --git a/drivers/net/ethernet/broadcom/bnxt/bnxt.c b/drivers/net/ethernet/broadcom/bnxt/bnxt.c
index 158e9789c1f4..2cd79b59cf00 100644
--- a/drivers/net/ethernet/broadcom/bnxt/bnxt.c
+++ b/drivers/net/ethernet/broadcom/bnxt/bnxt.c
@@ -485,6 +485,17 @@ static netdev_tx_t bnxt_start_xmit(struct sk_buff *skb, ... |
107b25db61122d8f990987895c2912927b8b6e3f | Analyze and fix the following issue in the Linux kernel code: bnxt_en: Mask the bd_cnt field in the TX BD properly | Problem Details:
The bd_cnt field in the TX BD specifies the total number of BDs for
the TX packet. The bd_cnt field has 5 bits and the maximum number
supported is 32 with the value 0.
CONFIG_MAX_SKB_FRAGS can be modified and the total number of SKB
fragments can approach or exceed the maximum supported by the chip.
... | ```diff
diff --git a/drivers/net/ethernet/broadcom/bnxt/bnxt.c b/drivers/net/ethernet/broadcom/bnxt/bnxt.c
index 0ddc3d41e2d8..158e9789c1f4 100644
--- a/drivers/net/ethernet/broadcom/bnxt/bnxt.c
+++ b/drivers/net/ethernet/broadcom/bnxt/bnxt.c
@@ -564,7 +564,7 @@ static netdev_tx_t bnxt_start_xmit(struct sk_buff *skb, s... |
8eb1518642738c6892bd629b46043513a3bf1a6a | Analyze and fix the following issue in the Linux kernel code: tracing: Do not use PERF enums when perf is not defined | Problem Details:
An update was made to up the module ref count when a synthetic event is
registered for both trace and perf events. But if perf is not configured
in, the perf enums used will cause the kernel to fail to build.
Cc: Masami Hiramatsu <mhiramat@kernel.org>
Cc: Mathieu Desnoyers <mathieu.desnoyers@efficios.... | ```diff
diff --git a/kernel/trace/trace_events_synth.c b/kernel/trace/trace_events_synth.c
index 463b0073629a..a5c5f34c207a 100644
--- a/kernel/trace/trace_events_synth.c
+++ b/kernel/trace/trace_events_synth.c
@@ -858,8 +858,10 @@ static int synth_event_reg(struct trace_event_call *call,
struct synth_event *event = ... |
216d567610f03b0c6efba3fc452797e09d9503e9 | Analyze and fix the following issue in the Linux kernel code: perf trace: Fix wrong size to bpf_map__update_elem call | Problem Details:
In linux-next
commit c760174401f6 ("perf cpumap: Reduce cpu size from int to int16_t")
causes the perf tests 100 126 to fail on s390:
Output before:
# ./perf test 100
100: perf trace BTF general tests : FAILED!
#
The root cause is the change from int to int16_t for the
cpu maps. The size o... | ```diff
diff --git a/tools/perf/builtin-trace.c b/tools/perf/builtin-trace.c
index a102748bd0c9..6ac51925ea42 100644
--- a/tools/perf/builtin-trace.c
+++ b/tools/perf/builtin-trace.c
@@ -4476,10 +4476,12 @@ static int trace__run(struct trace *trace, int argc, const char **argv)
* CPU the bpf-output event's file des... |
cac48eb6d383ee4f037e320608efa5dec029e26a | Analyze and fix the following issue in the Linux kernel code: net/mlx5e: Use right API to free bitmap memory | Problem Details:
Use bitmap_free() to free memory allocated with bitmap_zalloc_node().
This fixes memtrack error:
mtl rsc inconsistency: memtrack_free: .../drivers/net/ethernet/mellanox/mlx5/core/en_main.c::466: kfree for unknown address=0xFFFF0000CA3619E8, device=0x0
Signed-off-by: Mark Zhang <markzhang@nvidia.com>... | ```diff
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_main.c b/drivers/net/ethernet/mellanox/mlx5/core/en_main.c
index 2edc61328749..3506024c2453 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/en_main.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/en_main.c
@@ -359,7 +359,7 @@ static int mlx5e_rq_shamp... |
42cd8dee3a1bcee888745acf45b7218f0d0f70cc | Analyze and fix the following issue in the Linux kernel code: net/mlx5: Remove NULL check before dev_{put, hold} | Problem Details:
Fix coccinelle warnings:
WARNING: NULL check before dev_{put, hold} functions is not needed.
Signed-off-by: Gal Pressman <gal@nvidia.com>
Reviewed-by: Jianbo Liu <jianbol@nvidia.com>
Signed-off-by: Tariq Toukan <tariqt@nvidia.com>
Reviewed-by: Kalesh AP <kalesh-anakkur.purayil@broadcom.com>
Link: http... | ```diff
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en/tc_tun.c b/drivers/net/ethernet/mellanox/mlx5/core/en/tc_tun.c
index 721f35e59757..2162d776fe35 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/en/tc_tun.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/en/tc_tun.c
@@ -31,8 +31,7 @@ static void mlx5e_t... |
3865bec60683b86d39a5d8d6c34a1d269adaa84c | Analyze and fix the following issue in the Linux kernel code: net/mlx5e: Fix ethtool -N flow-type ip4 to RSS context | Problem Details:
There commands can be used to add an RSS context and steer some traffic
into it:
# ethtool -X eth0 context new
New RSS context is 1
# ethtool -N eth0 flow-type ip4 dst-ip 1.1.1.1 context 1
Added rule with ID 1023
However, the second command fails with EINVAL on mlx5e:
# ethtool -... | ```diff
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_fs_ethtool.c b/drivers/net/ethernet/mellanox/mlx5/core/en_fs_ethtool.c
index 773624bb2c5d..d68230a7b9f4 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/en_fs_ethtool.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/en_fs_ethtool.c
@@ -884,8 +884,10 @@ ... |
6df401a2ee4a91f4fd1095507d6f461f1082d814 | Analyze and fix the following issue in the Linux kernel code: ipe: policy_fs: fix kernel-doc warnings | Problem Details:
Use the "struct" keyword in kernel-doc when describing struct
ipefs_file. Add kernel-doc for the struct members also.
Don't use kernel-doc notation for 'policy_subdir'. kernel-doc does
not support documentation comments for data definitions.
This eliminates multiple kernel-doc warnings:
security/ipe... | ```diff
diff --git a/security/ipe/policy_fs.c b/security/ipe/policy_fs.c
index 3bcd8cbd09df..4cb4dd7f5236 100644
--- a/security/ipe/policy_fs.c
+++ b/security/ipe/policy_fs.c
@@ -16,7 +16,11 @@
#define MAX_VERSION_SIZE ARRAY_SIZE("65535.65535.65535")
/**
- * ipefs_file - defines a file in securityfs.
+ * struct ipe... |
53cd6820f5a05dd7f982f7da85af7d185b3e4992 | Analyze and fix the following issue in the Linux kernel code: net: stmmac: Call xpcs_config_eee_mult_fact() only when xpcs is present | Problem Details:
Some dwmac variants such as dwmac_socfpga don't use xpcs but lynx_pcs.
Don't call xpcs_config_eee_mult_fact() in this case, as this causes a
crash at init :
Unable to handle kernel NULL pointer dereference at virtual address 00000039 when write
[...]
Call trace:
xpcs_config_eee_mult_fact from ... | ```diff
diff --git a/drivers/net/ethernet/stmicro/stmmac/stmmac_mdio.c b/drivers/net/ethernet/stmicro/stmmac/stmmac_mdio.c
index 7c0a4046bbe3..836f2848dfeb 100644
--- a/drivers/net/ethernet/stmicro/stmmac/stmmac_mdio.c
+++ b/drivers/net/ethernet/stmicro/stmmac/stmmac_mdio.c
@@ -524,7 +524,8 @@ int stmmac_pcs_setup(stru... |
01a1e9d6a0077d17e737fbc0681d567dbdb3029e | Analyze and fix the following issue in the Linux kernel code: dt-bindings: PCI: Add common schema for devices accessible through PCI BARs | Problem Details:
Common YAML schema for devices that exports internal peripherals through
PCI BARs. The BARs are exposed as simple-buses through which the
peripherals can be accessed.
This is not intended to be used as a standalone binding, but should be
included by device specific bindings.
Signed-off-by: Andrea del... | ```diff
diff --git a/Documentation/devicetree/bindings/pci/pci-ep-bus.yaml b/Documentation/devicetree/bindings/pci/pci-ep-bus.yaml
new file mode 100644
index 000000000000..a2cd7905f5bf
--- /dev/null
+++ b/Documentation/devicetree/bindings/pci/pci-ep-bus.yaml
@@ -0,0 +1,58 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR... |
3b69e1d3815f376eae785a71705b5c2a621eaf19 | Analyze and fix the following issue in the Linux kernel code: PCI: dwc: Add dw_pcie_parent_bus_offset() checking and debug | Problem Details:
dw_pcie_parent_bus_offset() looks up the parent bus address of a PCI
controller 'reg' property in devicetree. If implemented, .cpu_addr_fixup()
is a hard-coded way to get the parent bus address corresponding to a CPU
physical address.
Add debug code to compare the address from .cpu_addr_fixup() with ... | ```diff
diff --git a/drivers/pci/controller/dwc/pcie-designware.c b/drivers/pci/controller/dwc/pcie-designware.c
index 27b464a405a4..4b442d1aa55b 100644
--- a/drivers/pci/controller/dwc/pcie-designware.c
+++ b/drivers/pci/controller/dwc/pcie-designware.c
@@ -1114,7 +1114,8 @@ resource_size_t dw_pcie_parent_bus_offset(s... |
4f34c2b7798d0b2e77e7b8a2901d85f964a11c80 | Analyze and fix the following issue in the Linux kernel code: docs/kcm: Fix typo "BFP" | Problem Details:
'BFP' should be 'BPF'.
Signed-off-by: Ryohei Kinugawa <ryohei.kinugawa@gmail.com>
Link: https://patch.msgid.link/20250318095154.4187952-1-ryohei.kinugawa@gmail.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org> | ```diff
diff --git a/Documentation/networking/kcm.rst b/Documentation/networking/kcm.rst
index db0f5560ac1c..71f44d0beaa3 100644
--- a/Documentation/networking/kcm.rst
+++ b/Documentation/networking/kcm.rst
@@ -200,7 +200,7 @@ while. Example use::
setsockopt(kcmfd, SOL_KCM, KCM_RECV_DISABLE, &val, sizeof(val))
-... |
6d1929475e361ef4e1972da600dfa3cea060a184 | Analyze and fix the following issue in the Linux kernel code: docs: networking: strparser: Fix a typo | Problem Details:
The context indicates that 'than' is the correct word instead of 'then',
as a comparison is being performed.
Given that 'then' is also a valid English word, checkpatch.pl wouldn't
have picked up on this spelling error.
This typo was caught by AI during code review.
Suggested-by: Wentao Guan <guanwen... | ```diff
diff --git a/Documentation/networking/strparser.rst b/Documentation/networking/strparser.rst
index 7f623d1db72a..8dc6bb04c710 100644
--- a/Documentation/networking/strparser.rst
+++ b/Documentation/networking/strparser.rst
@@ -180,7 +180,7 @@ There are seven callbacks:
struct contains two fields: offset an... |
28bb48c4cb34f65a9aa602142e76e1426da31293 | Analyze and fix the following issue in the Linux kernel code: rust: dma: add `Send` implementation for `CoherentAllocation` | Problem Details:
Stephen found a future build failure in linux-next [1]:
error[E0277]: `*mut MyStruct` cannot be sent between threads safely
--> samples/rust/rust_dma.rs:47:22
|
47 | impl pci::Driver for DmaSampleDriver {
| ^^^^^^^^^^^^^^^ `*mut MyStruct` cannot be sent... | ```diff
diff --git a/rust/kernel/dma.rs b/rust/kernel/dma.rs
index 9d00f9c49f47..8cdc76043ee7 100644
--- a/rust/kernel/dma.rs
+++ b/rust/kernel/dma.rs
@@ -301,6 +301,10 @@ impl<T: AsBytes + FromBytes> Drop for CoherentAllocation<T> {
}
}
+// SAFETY: It is safe to send a `CoherentAllocation` to another thread if... |
f8e1bcec62efbce2c6acd116b1f4a82a8441ce11 | Analyze and fix the following issue in the Linux kernel code: docs: fix the path of example code and example commands for device memory TCP | Problem Details:
This updates the old path and fixes the description of unavailable options.
Signed-off-by: Yui Washizu <yui.washidu@gmail.com>
Reviewed-by: Simon Horman <horms@kernel.org>
Reviewed-by: Mina Almasry <almasrymina@google.com>
Link: https://patch.msgid.link/20250318061251.775191-1-yui.washidu@gmail.com
Si... | ```diff
diff --git a/Documentation/networking/devmem.rst b/Documentation/networking/devmem.rst
index d95363645331..eb678ca45496 100644
--- a/Documentation/networking/devmem.rst
+++ b/Documentation/networking/devmem.rst
@@ -256,7 +256,7 @@ Testing
=======
More realistic example code can be found in the kernel source... |
81273eb87af86d4a43244b553762348e364b2df7 | Analyze and fix the following issue in the Linux kernel code: gve: unlink old napi only if page pool exists | Problem Details:
Commit de70981f295e ("gve: unlink old napi when stopping a queue using
queue API") unlinks the old napi when stopping a queue. But this breaks
QPL mode of the driver which does not use page pool. Fix this by checking
that there's a page pool associated with the ring.
Cc: stable@vger.kernel.org
Fixes: ... | ```diff
diff --git a/drivers/net/ethernet/google/gve/gve_rx_dqo.c b/drivers/net/ethernet/google/gve/gve_rx_dqo.c
index f0674a443567..b5be2c18858a 100644
--- a/drivers/net/ethernet/google/gve/gve_rx_dqo.c
+++ b/drivers/net/ethernet/google/gve/gve_rx_dqo.c
@@ -114,7 +114,8 @@ void gve_rx_stop_ring_dqo(struct gve_priv *pr... |
c60d101a226f18e9a8f01bb4c6ca2b47dfcb15ef | Analyze and fix the following issue in the Linux kernel code: net: stmmac: Fix accessing freed irq affinity_hint | Problem Details:
The cpumask should not be a local variable, since its pointer is saved
to irq_desc and may be accessed from procfs.
To fix it, use the persistent mask cpumask_of(cpu#).
Cc: stable@vger.kernel.org
Fixes: 8deec94c6040 ("net: stmmac: set IRQ affinity hint for multi MSI vectors")
Signed-off-by: Qingfang D... | ```diff
diff --git a/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c b/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c
index c0ae7db96f46..b7c3bfdaa180 100644
--- a/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c
+++ b/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c
@@ -3640,7 +3640,6 @@ static int stmmac_reque... |
9de3f3cd470b25fafd150cf243e3a51e40b036ee | Analyze and fix the following issue in the Linux kernel code: PCI: dwc: Add dw_pcie_parent_bus_offset() | Problem Details:
Return the offset from CPU physical address to the parent bus address of
the specified element of the devicetree 'reg' property.
[bhelgaas: cpu_phy_addr -> cpu_phys_addr, return offset, split
.cpu_addr_fixup() checking and debug to separate patch]
Link: https://lore.kernel.org/r/20250315201548.858189... | ```diff
diff --git a/drivers/pci/controller/dwc/pcie-designware.c b/drivers/pci/controller/dwc/pcie-designware.c
index 9d0a5f75effc..27b464a405a4 100644
--- a/drivers/pci/controller/dwc/pcie-designware.c
+++ b/drivers/pci/controller/dwc/pcie-designware.c
@@ -16,6 +16,7 @@
#include <linux/gpio/consumer.h>
#include <li... |
8fa649fd7d3009769c7289d0c31c319b72bc42c4 | Analyze and fix the following issue in the Linux kernel code: net: phy: dp83822: fix transmit amplitude if CONFIG_OF_MDIO not defined | Problem Details:
When CONFIG_OF_MDIO is not defined the index for selecting the transmit
amplitude voltage for 100BASE-TX is set to 0, but it should be -1, if there
is no need to modify the transmit amplitude voltage. Move initialization of
the index from dp83822_of_init to dp8382x_probe.
Fixes: 4f3735e82d8a ("net: ph... | ```diff
diff --git a/drivers/net/phy/dp83822.c b/drivers/net/phy/dp83822.c
index 3662f3905d5a..14f361549638 100644
--- a/drivers/net/phy/dp83822.c
+++ b/drivers/net/phy/dp83822.c
@@ -833,7 +833,6 @@ static int dp83822_of_init(struct phy_device *phydev)
dp83822->set_gpio2_clk_out = true;
}
- dp83822->tx_amplitude... |
d39e08b0893b579ba1fdee5713d011a4585517f7 | Analyze and fix the following issue in the Linux kernel code: net: ena: resolve WARN_ON when freeing IRQs | Problem Details:
When IRQs are freed, a WARN_ON is triggered as the
affinity notifier is not released.
This results in the below stack trace:
[ 484.544586] ? __warn+0x84/0x130
[ 484.544843] ? free_irq+0x5c/0x70
[ 484.545105] ? report_bug+0x18a/0x1a0
[ 484.545390] ? handle_bug+0x53/0x90
[ 484.545664] ? exc_in... | ```diff
diff --git a/drivers/net/ethernet/amazon/ena/ena_netdev.c b/drivers/net/ethernet/amazon/ena/ena_netdev.c
index 6aab85a7c60a..70fa3adb4934 100644
--- a/drivers/net/ethernet/amazon/ena/ena_netdev.c
+++ b/drivers/net/ethernet/amazon/ena/ena_netdev.c
@@ -1716,8 +1716,12 @@ static void ena_free_io_irq(struct ena_ada... |
9a352a90e88a041f4b26d359493e12a7f5ae1a6a | Analyze and fix the following issue in the Linux kernel code: perf tools: annotate asm_pure_loop.S | Problem Details:
Annotate so it is built with non-executable stack.
Fixes: 8b97519711c3 ("perf test: Add asm pureloop test tool")
Signed-off-by: Marcus Meissner <meissner@suse.de>
Reviewed-by: Leo Yan <leo.yan@arm.com>
Link: https://lore.kernel.org/r/20250323085410.23751-1-meissner@suse.de
Signed-off-by: Namhyung Kim ... | ```diff
diff --git a/tools/perf/tests/shell/coresight/asm_pure_loop/asm_pure_loop.S b/tools/perf/tests/shell/coresight/asm_pure_loop/asm_pure_loop.S
index 75cf084a927d..577760046772 100644
--- a/tools/perf/tests/shell/coresight/asm_pure_loop/asm_pure_loop.S
+++ b/tools/perf/tests/shell/coresight/asm_pure_loop/asm_pure_... |
ba3b0861edc5ec7754872ce7426d86642fd4d44a | Analyze and fix the following issue in the Linux kernel code: perf python: Fix setup.py mypy errors | Problem Details:
getenv may return None, so assert it isn't None for CC and srctree
environmental variables required for the script.
Disable an optional warning related to Popen.
Reviewed-by: James Clark <james.clark@linaro.org>
Signed-off-by: Ian Rogers <irogers@google.com>
Link: https://lore.kernel.org/r/20250311213... | ```diff
diff --git a/tools/perf/util/setup.py b/tools/perf/util/setup.py
index 649550e9b7aa..dd289d15acfd 100644
--- a/tools/perf/util/setup.py
+++ b/tools/perf/util/setup.py
@@ -3,6 +3,7 @@ from subprocess import Popen, PIPE
from re import sub
cc = getenv("CC")
+assert cc, "Environment variable CC not set"
# Ch... |
6bb0dcb3d321c14be7ca33b71a149034d6a2cde8 | Analyze and fix the following issue in the Linux kernel code: net: openvswitch: fix kernel-doc warnings in internal headers | Problem Details:
Some field descriptions were missing, some were not very accurate.
Not touching the uAPI header or .c files for now.
Formatting of those comments isn't great in general, but at least
they are not missing anything now.
Before:
$ ./scripts/kernel-doc -none -Wall net/openvswitch/*.h 2>&1 | wc -l
16
... | ```diff
diff --git a/net/openvswitch/datapath.h b/net/openvswitch/datapath.h
index 9ca6231ea647..384ca77f4e79 100644
--- a/net/openvswitch/datapath.h
+++ b/net/openvswitch/datapath.h
@@ -29,8 +29,8 @@
* datapath.
* @n_hit: Number of received packets for which a matching flow was found in
* the flow table.
- * @n_... |
ca1914a32cdcad26c4b003df743fe4f9e4bb2877 | Analyze and fix the following issue in the Linux kernel code: net: phy: phy_interface_t: Fix RGMII_TXID code comment | Problem Details:
Fix copy-paste error in the code comment for Interface Mode definitions.
The code refers to Internal TX delay, not Internal RX delay. It was likely
copied from the line above this one.
Signed-off-by: Ihor Matushchak <ihor.matushchak@foobox.net>
Reviewed-by: Russell King (Oracle) <rmk+kernel@armlinux.o... | ```diff
diff --git a/include/linux/phy.h b/include/linux/phy.h
index 60d3b8860ea2..bfdbdc538910 100644
--- a/include/linux/phy.h
+++ b/include/linux/phy.h
@@ -81,7 +81,7 @@ extern const int phy_basic_ports_array[3];
* @PHY_INTERFACE_MODE_RGMII: Reduced gigabit media-independent interface
* @PHY_INTERFACE_MODE_RGMII... |
1d1f7b15cb9c11974cebfd39da51dc69b8cb31ff | Analyze and fix the following issue in the Linux kernel code: drm/bridge: ti-sn65dsi86: make use of debugfs_init callback | Problem Details:
Do not create a custom directory in debugfs-root, but use the
debugfs_init callback to create a custom directory at the given place
for the bridge. The new directory layout looks like this on a Renesas
GrayHawk-Single with a R-Car V4M SoC:
/sys/kernel/debug/dri/feb00000.display/DP-1/1-002c
Signed-of... | ```diff
diff --git a/drivers/gpu/drm/bridge/ti-sn65dsi86.c b/drivers/gpu/drm/bridge/ti-sn65dsi86.c
index fd68ad2e2718..c2bdc7e57ac7 100644
--- a/drivers/gpu/drm/bridge/ti-sn65dsi86.c
+++ b/drivers/gpu/drm/bridge/ti-sn65dsi86.c
@@ -440,36 +440,8 @@ static int status_show(struct seq_file *s, void *data)
return 0;
}
... |
829ee558f3527fd602c6e2e9f270959d1de09fe0 | Analyze and fix the following issue in the Linux kernel code: ALSA: hda/realtek: Fix built-in mic assignment on ASUS VivoBook X515UA | Problem Details:
ASUS VivoBook X515UA with PCI SSID 1043:106f had a default quirk
pickup via pin table that applies ALC256_FIXUP_ASUS_MIC, but this adds
a bogus built-in mic pin 0x13 enabled. This was no big problem
because the pin 0x13 was assigned as the secondary mic, but the recent
fix made the entries sorted, hen... | ```diff
diff --git a/sound/pci/hda/patch_realtek.c b/sound/pci/hda/patch_realtek.c
index 26510ab6ce67..da8f21db607b 100644
--- a/sound/pci/hda/patch_realtek.c
+++ b/sound/pci/hda/patch_realtek.c
@@ -10770,6 +10770,7 @@ static const struct hda_quirk alc269_fixup_tbl[] = {
SND_PCI_QUIRK(0x1043, 0x103f, "ASUS TX300", AL... |
b4885bd5935bb26f0a414ad55679a372e53f9b9b | Analyze and fix the following issue in the Linux kernel code: cifs: avoid NULL pointer dereference in dbg call | Problem Details:
cifs_server_dbg() implies server to be non-NULL so
move call under condition to avoid NULL pointer dereference.
Found by Linux Verification Center (linuxtesting.org) with SVACE.
Fixes: e79b0332ae06 ("cifs: ignore cached share root handle closing errors")
Cc: stable@vger.kernel.org
Signed-off-by: Alex... | ```diff
diff --git a/fs/smb/client/smb2misc.c b/fs/smb/client/smb2misc.c
index f3c4b70b77b9..cddf273c14ae 100644
--- a/fs/smb/client/smb2misc.c
+++ b/fs/smb/client/smb2misc.c
@@ -816,11 +816,12 @@ smb2_handle_cancelled_close(struct cifs_tcon *tcon, __u64 persistent_fid,
WARN_ONCE(tcon->tc_count < 0, "tcon refcount i... |
dcce85484d3abe0fe0a930a154bdc076f1eb4ae0 | Analyze and fix the following issue in the Linux kernel code: m68k: coldfire: select PCI_IOMAP for PCI | Problem Details:
After I dropped CONFIG_GENERIC_IOMAP, some PCI drivers started failing
to link when CONFIG_MMU is disabled:
ERROR: modpost: "pci_iounmap" [drivers/video/fbdev/i740fb.ko] undefined!
ERROR: modpost: "pci_iounmap" [drivers/video/fbdev/vt8623fb.ko] undefined!
ERROR: modpost: "pci_iomap_wc" [drivers/video/... | ```diff
diff --git a/arch/m68k/Kconfig b/arch/m68k/Kconfig
index b50c275fa94d..eb5bb6d36899 100644
--- a/arch/m68k/Kconfig
+++ b/arch/m68k/Kconfig
@@ -18,12 +18,13 @@ config M68K
select DMA_DIRECT_REMAP if M68K_NONCOHERENT_DMA && !COLDFIRE
select GENERIC_ATOMIC64
select GENERIC_CPU_DEVICES
- select GENERIC_IOMAP ... |
739200c57384313e688e6945b56782721c29459f | Analyze and fix the following issue in the Linux kernel code: bcachefs: Fix race in print_chain() | Problem Details:
00636 Unable to handle kernel NULL pointer dereference at virtual address 00000000000000b0
00636 Mem abort info:
00636 ESR = 0x0000000096000005
00636 EC = 0x25: DABT (current EL), IL = 32 bits
00636 SET = 0, FnV = 0
00636 EA = 0, S1PTW = 0
00636 FSC = 0x05: level 1 translation fault
00636 Dat... | ```diff
diff --git a/fs/bcachefs/btree_locking.c b/fs/bcachefs/btree_locking.c
index b18fbf6f6226..94eb2b73a843 100644
--- a/fs/bcachefs/btree_locking.c
+++ b/fs/bcachefs/btree_locking.c
@@ -91,10 +91,10 @@ static noinline void print_chain(struct printbuf *out, struct lock_graph *g)
struct trans_waiting_for_lock *i;
... |
0b4fd567261bc21ba1fd8636489396f0940b54f8 | Analyze and fix the following issue in the Linux kernel code: bcachefs: btree_trans_restart_foreign_task() | Problem Details:
In debug mode, we save the call stack on transaction restart - but
there's no locking, so we can't touch it if we're issuing the restart
from another thread.
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev> | ```diff
diff --git a/fs/bcachefs/btree_iter.h b/fs/bcachefs/btree_iter.h
index b96157f3dc9c..8823eec6b284 100644
--- a/fs/bcachefs/btree_iter.h
+++ b/fs/bcachefs/btree_iter.h
@@ -335,13 +335,20 @@ static inline void bch2_trans_verify_not_unlocked_or_in_restart(struct btree_tra
}
__always_inline
-static int btree_tr... |
5ae6f33053af6e904e609593d05e4faf3aeb16fb | Analyze and fix the following issue in the Linux kernel code: bcachefs: zero init journal bios | Problem Details:
fix a kmsan splat
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev> | ```diff
diff --git a/fs/bcachefs/journal.c b/fs/bcachefs/journal.c
index ce7302695547..bfdaea6569ae 100644
--- a/fs/bcachefs/journal.c
+++ b/fs/bcachefs/journal.c
@@ -1510,7 +1510,7 @@ int bch2_dev_journal_init(struct bch_dev *ca, struct bch_sb *sb)
unsigned nr_bvecs = DIV_ROUND_UP(JOURNAL_ENTRY_SIZE_MAX, PAGE_SIZE);... |
9ea24b287b3b9118a157509d931e7d27414e98c7 | Analyze and fix the following issue in the Linux kernel code: bcachefs: Eliminate padding in move_bucket_key | Problem Details:
We appear to be tripping over a compiler/kmsan bug with padding fields -
this is an easy workaround.
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev> | ```diff
diff --git a/fs/bcachefs/move_types.h b/fs/bcachefs/move_types.h
index 82e473ed48d2..807f779f6f76 100644
--- a/fs/bcachefs/move_types.h
+++ b/fs/bcachefs/move_types.h
@@ -32,7 +32,7 @@ struct bch_move_stats {
struct move_bucket_key {
struct bpos bucket;
- u8 gen;
+ unsigned gen;
};
struct move_buck... |
1f88c35674954fbb0b14d994c5fa02c7c5190356 | Analyze and fix the following issue in the Linux kernel code: bcachefs: Fix a KMSAN splat in btree_update_nodes_written() | Problem Details:
We may sometimes read from uninitialized memory; we know, and that's ok.
We check if a btree node has been reused before waiting on any
outstanding IO.
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev> | ```diff
diff --git a/fs/bcachefs/btree_update_interior.c b/fs/bcachefs/btree_update_interior.c
index d3e0cf01ba37..67f1e3202835 100644
--- a/fs/bcachefs/btree_update_interior.c
+++ b/fs/bcachefs/btree_update_interior.c
@@ -649,6 +649,14 @@ static int btree_update_nodes_written_trans(struct btree_trans *trans,
return ... |
53cf2a3daa4ca5f0a40eeb18c2be8724f123a63c | Analyze and fix the following issue in the Linux kernel code: bcachefs: Fix kmsan warnings in bch2_extent_crc_pack() | Problem Details:
We store to all fields, so the kmsan warnings were spurious - but
initializing via stores to bitfields appear to have been giving the
compiler/kmsan trouble, and they're not necessary.
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev> | ```diff
diff --git a/fs/bcachefs/extents.c b/fs/bcachefs/extents.c
index 04946d9911f5..ae1a1d917805 100644
--- a/fs/bcachefs/extents.c
+++ b/fs/bcachefs/extents.c
@@ -592,29 +592,35 @@ static void bch2_extent_crc_pack(union bch_extent_crc *dst,
struct bch_extent_crc_unpacked src,
enum bch_extent_entry_type ... |
9c3a2c9b471aa42b13c26c916f6a0852899a57e0 | Analyze and fix the following issue in the Linux kernel code: bcachefs: Disable asm memcpys when kmsan enabled | Problem Details:
kmsan doesn't know about inline assembly, obviously; this will close a
ton of syzbot bugs.
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev> | ```diff
diff --git a/fs/bcachefs/util.h b/fs/bcachefs/util.h
index d41e133acc4d..7d921fc920a0 100644
--- a/fs/bcachefs/util.h
+++ b/fs/bcachefs/util.h
@@ -431,7 +431,7 @@ static inline void memcpy_u64s_small(void *dst, const void *src,
static inline void __memcpy_u64s(void *dst, const void *src,
unsigned u64s)
... |
962322475bb5cebe0da581f6f18d23b00184aa01 | Analyze and fix the following issue in the Linux kernel code: bcachefs: Handle backpointers with unknown data types | Problem Details:
New data types might be added later, so we don't want to disallow
unknown data types - that'll be a compatibility hassle later. Instead,
ignore them.
Reported-by: syzbot+3a290f5ff67ca3023834@syzkaller.appspotmail.com
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev> | ```diff
diff --git a/fs/bcachefs/backpointers.c b/fs/bcachefs/backpointers.c
index 8da1b68821a0..20c497f0c2cb 100644
--- a/fs/bcachefs/backpointers.c
+++ b/fs/bcachefs/backpointers.c
@@ -784,7 +784,7 @@ enum alloc_sector_counter {
ALLOC_SECTORS_NR
};
-static enum alloc_sector_counter data_type_to_alloc_counter(enu... |
af2ff37da7ad6aabb79f57c9f7331600bd2b982d | Analyze and fix the following issue in the Linux kernel code: bcachefs: Fix block/btree node size defaults | Problem Details:
We're fixing option parsing in userspace, it now obeys
OPT_SB_FIELD_SECTORS
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev> | ```diff
diff --git a/fs/bcachefs/opts.c b/fs/bcachefs/opts.c
index d0ce96529dd4..81fd6b7977d3 100644
--- a/fs/bcachefs/opts.c
+++ b/fs/bcachefs/opts.c
@@ -684,12 +684,10 @@ void __bch2_opt_set_sb(struct bch_sb *sb, int dev_idx,
if (opt->flags & OPT_SB_FIELD_ONE_BIAS)
v++;
- if ((opt->flags & OPT_FS) && opt->set_... |
5cc0ab39fb16c44ef6bbabb1b5a0c5705ec0bb56 | Analyze and fix the following issue in the Linux kernel code: bcachefs: Fix incorrect state count | Problem Details:
atomic64_read(&j->seq) - j->seq_write_started == JOURNAL_STATE_BUF_NR is
the condition in journal_entry_open where we return JOURNAL_ERR_max_open,
so journal_cur_seq(j) - seq == JOURNAL_STATE_BUF_NR means that the buf
corresponding to seq has started to write.
Signed-off-by: Alan Huang <mmpgouride@gma... | ```diff
diff --git a/fs/bcachefs/journal.h b/fs/bcachefs/journal.h
index 1c460ded2a11..ab68c5c4d8d8 100644
--- a/fs/bcachefs/journal.h
+++ b/fs/bcachefs/journal.h
@@ -161,7 +161,7 @@ static inline int journal_state_count(union journal_res_state s, int idx)
static inline int journal_state_seq_count(struct journal *j,
... |
16a8d5d00b8add42924185c30f7cefdbb156fdd4 | Analyze and fix the following issue in the Linux kernel code: bcachefs: Fix btree iter flags in data move | Problem Details:
Rebalance requires a not_extents iterator.
This wasn't hit before because all_snapshots disableds is_extents on
snapshots btrees - but has no effect on the reflink btree.
Reported-by: Maël Kerbiriou <mael.kerbiriou@free.fr>
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev> | ```diff
diff --git a/fs/bcachefs/move.c b/fs/bcachefs/move.c
index 55e17c2d8e5a..8fcdc6984f6e 100644
--- a/fs/bcachefs/move.c
+++ b/fs/bcachefs/move.c
@@ -561,6 +561,7 @@ static int bch2_move_data_btree(struct moving_context *ctxt,
bch2_trans_begin(trans);
bch2_trans_iter_init(trans, &iter, btree_id, start,
... |
5e67243ea670c61d6e59eaf358b74991e45c7b16 | Analyze and fix the following issue in the Linux kernel code: bcachefs: Add missing random.h includes | Problem Details:
Fix build in userspace, and good hygeine.
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev> | ```diff
diff --git a/fs/bcachefs/io_read.c b/fs/bcachefs/io_read.c
index ce197b5bda9d..f1503df57dc7 100644
--- a/fs/bcachefs/io_read.c
+++ b/fs/bcachefs/io_read.c
@@ -25,6 +25,7 @@
#include "subvolume.h"
#include "trace.h"
+#include <linux/random.h>
#include <linux/sched/mm.h>
#ifdef CONFIG_BCACHEFS_DEBUG
``` |
6aa446c05a44ddc46b0aea510a95d288e993daec | Analyze and fix the following issue in the Linux kernel code: bcachefs: Fix offset_into_extent in data move path | Problem Details:
Fixes the following:
[ 17.607394] kernel BUG at fs/bcachefs/reflink.c:261!
[ 17.608316] Oops: invalid opcode: 0000 [#1] PREEMPT SMP NOPTI
[ 17.608485] CPU: 0 UID: 0 PID: 564 Comm: bch-rebalance/3 Tainted: G OE 6.14.0-rc6-arch1-gfcb0bd9609d2 #7 0efd7a8f4a00afeb2c5fb6e7ecb1aec8ddcbb... | ```diff
diff --git a/fs/bcachefs/move.c b/fs/bcachefs/move.c
index 2d9ce7fb5818..55e17c2d8e5a 100644
--- a/fs/bcachefs/move.c
+++ b/fs/bcachefs/move.c
@@ -591,7 +591,7 @@ static int bch2_move_data_btree(struct moving_context *ctxt,
k.k->type == KEY_TYPE_reflink_p &&
REFLINK_P_MAY_UPDATE_OPTIONS(bkey_s_c_t... |
9962cb77488f617963d0314e8c9120315d97ea18 | Analyze and fix the following issue in the Linux kernel code: bcachefs: Improve can_write_extent() | Problem Details:
This fixes another "rebalance spinning and doing no work" issue;
rebalance was reading extents it wanted to move, but then failing in
bch2_write() -> bch2_alloc_sectors_start() due to being unable to
allocate sufficient replicas.
This was triggered by a user playing with the durability settings, the
f... | ```diff
diff --git a/fs/bcachefs/data_update.c b/fs/bcachefs/data_update.c
index 44b8ed3cc5d6..08bb7f3019ce 100644
--- a/fs/bcachefs/data_update.c
+++ b/fs/bcachefs/data_update.c
@@ -638,40 +638,6 @@ int bch2_extent_drop_ptrs(struct btree_trans *trans,
bch2_trans_commit(trans, NULL, NULL, BCH_TRANS_COMMIT_no_enospc)... |
9f8fe348ac9544f6855f82565e754bf085d81f88 | Analyze and fix the following issue in the Linux kernel code: tty: serial: fsl_lpuart: Fix unused variable 'sport' build warning | Problem Details:
Remove the unused variable 'sport' to avoid the kernel build warning.
Fixes: 3cc16ae096f1 ("tty: serial: fsl_lpuart: use port struct directly to simply code")
Reported-by: kernel test robot <lkp@intel.com>
Closes: https://lore.kernel.org/oe-kbuild-all/202503210614.2qGlnbIq-lkp@intel.com/
Signed-off-by... | ```diff
diff --git a/drivers/tty/serial/fsl_lpuart.c b/drivers/tty/serial/fsl_lpuart.c
index 33eeefa6fa8f..4470966b826c 100644
--- a/drivers/tty/serial/fsl_lpuart.c
+++ b/drivers/tty/serial/fsl_lpuart.c
@@ -639,8 +639,6 @@ static void lpuart32_wait_bit_set(struct uart_port *port, unsigned int offset,
static int lpua... |
021ba7f1babd029e714d13a6bf2571b08af96d0f | Analyze and fix the following issue in the Linux kernel code: udmabuf: fix a buf size overflow issue during udmabuf creation | Problem Details:
by casting size_limit_mb to u64 when calculate pglimit.
Signed-off-by: Xiaogang Chen<Xiaogang.Chen@amd.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20250321164126.329638-1-xiaogang.chen@amd.com
Signed-off-by: Christian König <christian.koenig@amd.com> | ```diff
diff --git a/drivers/dma-buf/udmabuf.c b/drivers/dma-buf/udmabuf.c
index cc7398cc17d6..e74e36a8ecda 100644
--- a/drivers/dma-buf/udmabuf.c
+++ b/drivers/dma-buf/udmabuf.c
@@ -393,7 +393,7 @@ static long udmabuf_create(struct miscdevice *device,
if (!ubuf)
return -ENOMEM;
- pglimit = (size_limit_mb * 1024... |
2f6efbabceb6b2914ee9bafb86d9a51feae9cce8 | Analyze and fix the following issue in the Linux kernel code: ax25: Remove broken autobind | Problem Details:
Binding AX25 socket by using the autobind feature leads to memory leaks
in ax25_connect() and also refcount leaks in ax25_release(). Memory
leak was detected with kmemleak:
================================================================
unreferenced object 0xffff8880253cd680 (size 96):
backtrace:
__k... | ```diff
diff --git a/include/net/ax25.h b/include/net/ax25.h
index 4ee141aae0a2..a7bba42dde15 100644
--- a/include/net/ax25.h
+++ b/include/net/ax25.h
@@ -418,7 +418,6 @@ void ax25_rt_device_down(struct net_device *);
int ax25_rt_ioctl(unsigned int, void __user *);
extern const struct seq_operations ax25_rt_seqops;
... |
8e623137f112eb86ad949e3bcb6c0e5ae11a092a | Analyze and fix the following issue in the Linux kernel code: drm: Move some options to separate new Kconfig | Problem Details:
Move some options out into a new debug specific kconfig file in order to
make things a bit cleaner.
Signed-off-by: Tvrtko Ursulin <tvrtko.ursulin@igalia.com>
Cc: Christian König <christian.koenig@amd.com>
Cc: Danilo Krummrich <dakr@kernel.org>
Cc: Matthew Brost <matthew.brost@intel.com>
Cc: Philipp St... | ```diff
diff --git a/drivers/gpu/drm/Kconfig b/drivers/gpu/drm/Kconfig
index 9b4061231329..1c6fa662d6ed 100644
--- a/drivers/gpu/drm/Kconfig
+++ b/drivers/gpu/drm/Kconfig
@@ -26,6 +26,11 @@ menuconfig DRM
details. You should also select and configure AGP
(/dev/agpgart) support if it is available for your platf... |
ff9cb6d2035c586ea7c8f1754d4409eec7a2d26d | Analyze and fix the following issue in the Linux kernel code: drm/udl: Unregister device before cleaning up on disconnect | Problem Details:
Disconnecting a DisplayLink device results in the following kernel
error messages
[ 93.041748] [drm:udl_urb_completion [udl]] *ERROR* udl_urb_completion - nonzero write bulk status received: -115
[ 93.055299] [drm:udl_submit_urb [udl]] *ERROR* usb_submit_urb error fffffffe
[ 93.065363] [drm:udl_... | ```diff
diff --git a/drivers/gpu/drm/udl/udl_drv.c b/drivers/gpu/drm/udl/udl_drv.c
index 3b56ca2f6eb8..9a66a1a6781f 100644
--- a/drivers/gpu/drm/udl/udl_drv.c
+++ b/drivers/gpu/drm/udl/udl_drv.c
@@ -110,9 +110,9 @@ static void udl_usb_disconnect(struct usb_interface *interface)
{
struct drm_device *dev = usb_get_int... |
0ead88112bf69da4ee54d3f26e21258f00640865 | Analyze and fix the following issue in the Linux kernel code: drm/i915/vrr: Avoid reading vrr.enable based on fixed_rr check | Problem Details:
Currently, vrr.enable is intended only for variable refresh rate timings.
At this point, we do not set fixed refresh rate timings, but the GOP can,
which creates a problem during the readback of vrr.enable.
The GOP enables the VRR timing generator with fixed timings, while the
driver only recognizes t... | ```diff
diff --git a/drivers/gpu/drm/i915/display/intel_vrr.c b/drivers/gpu/drm/i915/display/intel_vrr.c
index aa65a6933ddb..6bdcdfed4b9b 100644
--- a/drivers/gpu/drm/i915/display/intel_vrr.c
+++ b/drivers/gpu/drm/i915/display/intel_vrr.c
@@ -657,8 +657,7 @@ void intel_vrr_get_config(struct intel_crtc_state *crtc_state... |
99476fa085da764fbed0684e22b831de8cd22512 | Analyze and fix the following issue in the Linux kernel code: perf bench sched pipe: fix enforced blocking reads in worker_thread | Problem Details:
The function worker_thread() is programmed in a way that roughly
doubles the number of expectable context switches, because it enforces
blocking reads:
Performance counter stats for 'perf bench sched pipe':
2,000,004 context-switches
11.859548321 seconds time elapsed
0.6... | ```diff
diff --git a/tools/perf/bench/sched-pipe.c b/tools/perf/bench/sched-pipe.c
index e2562677df96..70139036d68f 100644
--- a/tools/perf/bench/sched-pipe.c
+++ b/tools/perf/bench/sched-pipe.c
@@ -204,17 +204,10 @@ static void *worker_thread(void *__tdata)
}
for (i = 0; i < loops; i++) {
- if (!td->nr) {
- r... |
7e442be7015af524d2b5fb84f0ff04a44501542b | Analyze and fix the following issue in the Linux kernel code: perf tools: Fix is_compat_mode build break in ppc64 | Problem Details:
Commit 54f9aa1092457 ("tools/perf/powerpc/util: Add support to
handle compatible mode PVR for perf json events") introduced
to select proper JSON events in case of compat mode using
auxiliary vector. But this caused a compilation error in ppc64
Big Endian.
arch/powerpc/util/header.c: In function 'is_c... | ```diff
diff --git a/tools/perf/arch/powerpc/util/header.c b/tools/perf/arch/powerpc/util/header.c
index c7df534dbf8f..0be74f048f96 100644
--- a/tools/perf/arch/powerpc/util/header.c
+++ b/tools/perf/arch/powerpc/util/header.c
@@ -14,8 +14,8 @@
static bool is_compat_mode(void)
{
- u64 base_platform = getauxval(AT_B... |
9480cc14a95e3883f895b5a2baa8f6c0c199c604 | Analyze and fix the following issue in the Linux kernel code: perf build: filter all combinations of -flto for libperl | Problem Details:
When enabling the libperl feature the build uses perl's build flags
(ccopts) but filters out various flags, e.g. for LTO.
While this is conceptually correct, it is insufficient in practice,
since only "-flto=auto" is filtered out. When perl itself is built with
"-flto" this can cause parts of perf bein... | ```diff
diff --git a/tools/perf/Makefile.config b/tools/perf/Makefile.config
index 23dbb6bb91cf..eea95c6c0c71 100644
--- a/tools/perf/Makefile.config
+++ b/tools/perf/Makefile.config
@@ -821,7 +821,7 @@ else
PERL_EMBED_LIBADD = $(call grep-libs,$(PERL_EMBED_LDOPTS))
PERL_EMBED_CCOPTS = $(shell perl -MExtUtils::Em... |
689582882802cd64986c1eb584c9f5184d67f0cf | Analyze and fix the following issue in the Linux kernel code: drm/xe: Fix unmet direct dependencies warning | Problem Details:
WARNING: unmet direct dependencies detected for FB_IOMEM_HELPERS
Depends on [n]: HAS_IOMEM [=y] && FB_CORE [=n]
Selected by [m]:
- DRM_XE_DISPLAY [=y] && HAS_IOMEM [=y] && DRM [=m] && DRM_XE [=m] && DRM_XE [=m]=m [=m] && HAS_IOPORT [=y]
DRM_XE_DISPLAY requires FB_IOMEM_HELPERS, but the dependenc... | ```diff
diff --git a/drivers/gpu/drm/xe/Kconfig b/drivers/gpu/drm/xe/Kconfig
index 7d7995196702..5c2f459a2925 100644
--- a/drivers/gpu/drm/xe/Kconfig
+++ b/drivers/gpu/drm/xe/Kconfig
@@ -53,7 +53,7 @@ config DRM_XE
config DRM_XE_DISPLAY
bool "Enable display support"
depends on DRM_XE && DRM_XE=m && HAS_IOPORT
- se... |
a0b539ad369fe434fe488faf92d4ae770a27a90f | Analyze and fix the following issue in the Linux kernel code: rust: macros: fix `make rusttest` build on macOS | Problem Details:
Do not emit `#[link_section = ".modinfo"]` on macOS (i.e. when building
userspace tests); .modinfo is not a legal section specifier in mach-o.
Before this change tests failed to compile:
---- ../rust/macros/lib.rs - module (line 66) stdout ----
rustc-LLVM ERROR: Global variable '_ZN8rust_out13__m... | ```diff
diff --git a/rust/macros/module.rs b/rust/macros/module.rs
index 46f20682a7a9..8ab4e1f3eb45 100644
--- a/rust/macros/module.rs
+++ b/rust/macros/module.rs
@@ -56,7 +56,7 @@ impl<'a> ModInfoBuilder<'a> {
"
{cfg}
#[doc(hidden)]
- #[link_section = \".mo... |
4e72a62e8ddd00e50bfe9aec13995fa2079f6486 | Analyze and fix the following issue in the Linux kernel code: rust: uaccess: name the correct function | Problem Details:
Correctly refer to `reserve` rather than `try_reserve` in a comment. This
comment has been incorrect since inception in commit 1b580e7b9ba2 ("rust:
uaccess: add userspace pointers").
Fixes: 1b580e7b9ba2 ("rust: uaccess: add userspace pointers")
Signed-off-by: Tamir Duberstein <tamird@gmail.com>
Revie... | ```diff
diff --git a/rust/kernel/uaccess.rs b/rust/kernel/uaccess.rs
index 719b0a48ff55..80a9782b1c6e 100644
--- a/rust/kernel/uaccess.rs
+++ b/rust/kernel/uaccess.rs
@@ -285,8 +285,7 @@ impl UserSliceReader {
let len = self.length;
buf.reserve(len, flags)?;
- // The call to `try_reserve` was... |
f6be7af44525a005f537ca04f24dc56b391f9a8b | Analyze and fix the following issue in the Linux kernel code: rust: rbtree: fix comments referring to Box instead of KBox | Problem Details:
Several safety comments in the RBTree implementation still refer to
"Box::from_raw" and "Box::into_raw", but the code actually uses KBox.
These comments were not updated when the implementation transitioned
from using Box to KBox.
Fixes: 8373147ce496 ("rust: treewide: switch to our kernel `Box` type")... | ```diff
diff --git a/rust/kernel/rbtree.rs b/rust/kernel/rbtree.rs
index 1ea25c7092fb..5246b2c8a4ff 100644
--- a/rust/kernel/rbtree.rs
+++ b/rust/kernel/rbtree.rs
@@ -1168,12 +1168,12 @@ impl<'a, K, V> RawVacantEntry<'a, K, V> {
fn insert(self, node: RBTreeNode<K, V>) -> &'a mut V {
let node = KBox::into_... |
1bdf2ccc351ce73ec5fcc0fa82eb6959b30f34c7 | Analyze and fix the following issue in the Linux kernel code: drm/v3d: Use V3D_SMS registers for power on/off and reset on V3D 7.x | Problem Details:
In addition to the standard reset controller, V3D 7.x requires configuring
the V3D_SMS registers for proper power on/off and reset. Add the new
registers to `v3d_regs.h` and ensure they are properly configured during
device probing, removal, and reset.
This change fixes GPU reset issues on the Raspber... | ```diff
diff --git a/drivers/gpu/drm/v3d/v3d_drv.c b/drivers/gpu/drm/v3d/v3d_drv.c
index aa68be8fe86b..5e997ae8bc9c 100644
--- a/drivers/gpu/drm/v3d/v3d_drv.c
+++ b/drivers/gpu/drm/v3d/v3d_drv.c
@@ -263,6 +263,36 @@ static const struct of_device_id v3d_of_match[] = {
};
MODULE_DEVICE_TABLE(of, v3d_of_match);
+stati... |
b1cd1d738e8d98296a01768ba217f2f2ea5dd7b8 | Analyze and fix the following issue in the Linux kernel code: dt-bindings: gpu: v3d: Add V3D driver maintainer as DT maintainer | Problem Details:
As established in commit 89d04995f76c ("MAINTAINERS: Drop Emma Anholt
from all M lines."), Emma is no longer active in the Linux kernel and
dropped the V3D maintainership. Therefore, remove Emma as one of the DT
maintainers and add the current V3D driver maintainer.
Acked-by: Emma Anholt <emma@anholt.... | ```diff
diff --git a/Documentation/devicetree/bindings/gpu/brcm,bcm-v3d.yaml b/Documentation/devicetree/bindings/gpu/brcm,bcm-v3d.yaml
index dd2cc63c9a51..43c6d2d72456 100644
--- a/Documentation/devicetree/bindings/gpu/brcm,bcm-v3d.yaml
+++ b/Documentation/devicetree/bindings/gpu/brcm,bcm-v3d.yaml
@@ -7,7 +7,7 @@ $sche... |
e29671ae9714d2c37cd5165a2e928cc2fdd829c1 | Analyze and fix the following issue in the Linux kernel code: dt-bindings: gpu: v3d: Add SMS register to BCM2712 compatible | Problem Details:
V3D 7.1 exposes a new register block, called V3D_SMS. As BCM2712 has a
V3D 7.1 core, add a new register item to its compatible. Similar to the
GCA, which is specific for V3D 3.3, SMS should only be added for V3D 7.1
variants (such as brcm,2712-v3d).
Acked-by: Krzysztof Kozlowski <krzysztof.kozlowski@l... | ```diff
diff --git a/Documentation/devicetree/bindings/gpu/brcm,bcm-v3d.yaml b/Documentation/devicetree/bindings/gpu/brcm,bcm-v3d.yaml
index 6a1a09031983..dd2cc63c9a51 100644
--- a/Documentation/devicetree/bindings/gpu/brcm,bcm-v3d.yaml
+++ b/Documentation/devicetree/bindings/gpu/brcm,bcm-v3d.yaml
@@ -77,10 +77,12 @@ a... |
38712c5281ac5f6f27058b825ca62ae69f2e2451 | Analyze and fix the following issue in the Linux kernel code: dt-bindings: gpu: v3d: Add per-compatible register restrictions | Problem Details:
In order to enforce per-SoC register rules, add per-compatible
restrictions. For example, V3D 3.3 (used in brcm,7268-v3d) has a cache
controller (GCA), which is not present in other V3D generations. Declaring
these differences helps ensure the DTB accurately reflect the hardware
design.
The example wa... | ```diff
diff --git a/Documentation/devicetree/bindings/gpu/brcm,bcm-v3d.yaml b/Documentation/devicetree/bindings/gpu/brcm,bcm-v3d.yaml
index dc078ceeca9a..6a1a09031983 100644
--- a/Documentation/devicetree/bindings/gpu/brcm,bcm-v3d.yaml
+++ b/Documentation/devicetree/bindings/gpu/brcm,bcm-v3d.yaml
@@ -22,20 +22,12 @@ p... |
76dbd0973c555037931d2ed055a4a69e592caad4 | Analyze and fix the following issue in the Linux kernel code: drm/v3d: Associate a V3D tech revision to all supported devices | Problem Details:
The V3D driver currently determines the GPU tech version (33, 41...)
by reading a register. This approach has worked so far since this
information wasn’t needed before powering on the GPU.
V3D 7.1 introduces new registers that must be written to power on the
GPU, requiring us to know the V3D version b... | ```diff
diff --git a/drivers/gpu/drm/v3d/v3d_debugfs.c b/drivers/gpu/drm/v3d/v3d_debugfs.c
index 76816f2551c1..7e789e181af0 100644
--- a/drivers/gpu/drm/v3d/v3d_debugfs.c
+++ b/drivers/gpu/drm/v3d/v3d_debugfs.c
@@ -21,74 +21,74 @@ struct v3d_reg_def {
};
static const struct v3d_reg_def v3d_hub_reg_defs[] = {
- REGD... |
667f053b05f00a007738cd7ed6fa1901de19dc7e | Analyze and fix the following issue in the Linux kernel code: PCI/bwctrl: Fix NULL pointer dereference on bus number exhaustion | Problem Details:
When BIOS neglects to assign bus numbers to PCI bridges, the kernel
attempts to correct that during PCI device enumeration. If it runs out
of bus numbers, no pci_bus is allocated and the "subordinate" pointer in
the bridge's pci_dev remains NULL.
The PCIe bandwidth controller erroneously does not che... | ```diff
diff --git a/drivers/pci/pcie/bwctrl.c b/drivers/pci/pcie/bwctrl.c
index 58ba8142c9a3..d8d2aa85a229 100644
--- a/drivers/pci/pcie/bwctrl.c
+++ b/drivers/pci/pcie/bwctrl.c
@@ -294,6 +294,10 @@ static int pcie_bwnotif_probe(struct pcie_device *srv)
struct pci_dev *port = srv->port;
int ret;
+ /* Can happen ... |
21581dd4e7ff6c07d0ab577e3c32b13a74b31522 | Analyze and fix the following issue in the Linux kernel code: tracing: Ensure module defining synth event cannot be unloaded while tracing | Problem Details:
Currently, using synth_event_delete() will fail if the event is being
used (tracing in progress), but that is normally done in the module exit
function. At that stage, failing is problematic as returning a non-zero
status means the module will become locked (impossible to unload or
reload again).
Inst... | ```diff
diff --git a/kernel/trace/trace_events_synth.c b/kernel/trace/trace_events_synth.c
index 07ff8be8267e..463b0073629a 100644
--- a/kernel/trace/trace_events_synth.c
+++ b/kernel/trace/trace_events_synth.c
@@ -852,6 +852,34 @@ static struct trace_event_fields synth_event_fields_array[] = {
{}
};
+static int s... |
0c588ac0ca6c22b774d9ad4a6594681fdfa57d9d | Analyze and fix the following issue in the Linux kernel code: tracing: fix return value in __ftrace_event_enable_disable for TRACE_REG_UNREGISTER | Problem Details:
When __ftrace_event_enable_disable invokes the class callback to
unregister the event, the return value is not reported up to the
caller, hence leading to event unregister failures being silently
ignored.
This patch assigns the ret variable to the invocation of the
event unregister callback, so that i... | ```diff
diff --git a/kernel/trace/trace_events.c b/kernel/trace/trace_events.c
index 513de9ceb80e..8e7603acca21 100644
--- a/kernel/trace/trace_events.c
+++ b/kernel/trace/trace_events.c
@@ -790,7 +790,9 @@ static int __ftrace_event_enable_disable(struct trace_event_file *file,
clear_bit(EVENT_FILE_FL_RECORDED_TGI... |
7e6b3fcc9c5294aeafed0dbe1a09a1bc899bd0f2 | Analyze and fix the following issue in the Linux kernel code: tracing/osnoise: Fix possible recursive locking for cpus_read_lock() | Problem Details:
Lockdep reports this deadlock log:
osnoise: could not start sampling thread
============================================
WARNING: possible recursive locking detected
--------------------------------------------
CPU0
----
lock(cpu_hotplug_lock);
lock(cpu_hotplug_lock);
Call Trace:
... | ```diff
diff --git a/kernel/trace/trace_osnoise.c b/kernel/trace/trace_osnoise.c
index f3a2722ee4c0..c83a51218ee5 100644
--- a/kernel/trace/trace_osnoise.c
+++ b/kernel/trace/trace_osnoise.c
@@ -2032,7 +2032,6 @@ static int start_kthread(unsigned int cpu)
if (IS_ERR(kthread)) {
pr_err(BANNER "could not start sam... |
e3a4182edd1ae60e7e3539ff3b3784af9830d223 | Analyze and fix the following issue in the Linux kernel code: netfilter: nf_tables: Only use nf_skip_indirect_calls() when MITIGATION_RETPOLINE | Problem Details:
1. MITIGATION_RETPOLINE is x86-only (defined in arch/x86/Kconfig),
so no need to AND with CONFIG_X86 when checking if enabled.
2. Remove unused declaration of nf_skip_indirect_calls() when
MITIGATION_RETPOLINE is disabled to avoid warnings.
3. Declare nf_skip_indirect_calls() and nf_skip_indirect_cal... | ```diff
diff --git a/net/netfilter/nf_tables_core.c b/net/netfilter/nf_tables_core.c
index 75598520b0fa..6557a4018c09 100644
--- a/net/netfilter/nf_tables_core.c
+++ b/net/netfilter/nf_tables_core.c
@@ -21,25 +21,22 @@
#include <net/netfilter/nf_log.h>
#include <net/netfilter/nft_meta.h>
-#if defined(CONFIG_MITIGAT... |
932b32ffd7604fb00b5c57e239a3cc4d901ccf6e | Analyze and fix the following issue in the Linux kernel code: netfilter: socket: Lookup orig tuple for IPv6 SNAT | Problem Details:
nf_sk_lookup_slow_v4 does the conntrack lookup for IPv4 packets to
restore the original 5-tuple in case of SNAT, to be able to find the
right socket (if any). Then socket_match() can correctly check whether
the socket was transparent.
However, the IPv6 counterpart (nf_sk_lookup_slow_v6) lacks this
con... | ```diff
diff --git a/net/ipv6/netfilter/nf_socket_ipv6.c b/net/ipv6/netfilter/nf_socket_ipv6.c
index a7690ec62325..9ea5ef56cb27 100644
--- a/net/ipv6/netfilter/nf_socket_ipv6.c
+++ b/net/ipv6/netfilter/nf_socket_ipv6.c
@@ -103,6 +103,10 @@ struct sock *nf_sk_lookup_slow_v6(struct net *net, const struct sk_buff *skb,
... |
778b09d91baafb13408470c721d034d6515cfa5a | Analyze and fix the following issue in the Linux kernel code: netfilter: nfnetlink_queue: Initialize ctx to avoid memory allocation error | Problem Details:
It is possible that ctx in nfqnl_build_packet_message() could be used
before it is properly initialize, which is only initialized
by nfqnl_get_sk_secctx().
This patch corrects this problem by initializing the lsmctx to a safe
value when it is declared.
This is similar to the commit 35fcac7a7c25
("aud... | ```diff
diff --git a/net/netfilter/nfnetlink_queue.c b/net/netfilter/nfnetlink_queue.c
index 5c913987901a..8b7b39d8a109 100644
--- a/net/netfilter/nfnetlink_queue.c
+++ b/net/netfilter/nfnetlink_queue.c
@@ -567,7 +567,7 @@ nfqnl_build_packet_message(struct net *net, struct nfqnl_instance *queue,
enum ip_conntrack_inf... |
34ceb69edd6cb9581978e0f3e459da4959c0c387 | Analyze and fix the following issue in the Linux kernel code: Documentation/fs/9p: fix broken link | Problem Details:
In b529c06f9dc7 (Update the documentation referencing Plan 9 from User
Space., 2020-04-26), another instance of the link was left unfixed.
Fix that as well.
Signed-off-by: Tuomas Ahola <taahol@utu.fi>
Message-ID: <20250322153639.4917-1-taahol@utu.fi>
Signed-off-by: Dominique Martinet <asmadeus@codewre... | ```diff
diff --git a/Documentation/filesystems/9p.rst b/Documentation/filesystems/9p.rst
index 2bbf68b56b0d..28871200e87c 100644
--- a/Documentation/filesystems/9p.rst
+++ b/Documentation/filesystems/9p.rst
@@ -40,7 +40,7 @@ For remote file server::
mount -t 9p 10.10.1.2 /mnt/9
-For Plan 9 From User Space applica... |
5df0211a67dfd0cb2e2e0c0b6e08879420c7d8f6 | Analyze and fix the following issue in the Linux kernel code: pinctrl: amlogic-a4: Drop surplus semicolon | Problem Details:
The kernel bots complain about untidy code found using
coccinelle, fix it up.
Reported-by: kernel test robot <lkp@intel.com>
Closes: https://lore.kernel.org/oe-kbuild-all/202503212354.Hx2qaDRe-lkp@intel.com/
Signed-off-by: Linus Walleij <linus.walleij@linaro.org> | ```diff
diff --git a/drivers/pinctrl/meson/pinctrl-amlogic-a4.c b/drivers/pinctrl/meson/pinctrl-amlogic-a4.c
index 35d5540b8eaa..ee7bbc72f9b3 100644
--- a/drivers/pinctrl/meson/pinctrl-amlogic-a4.c
+++ b/drivers/pinctrl/meson/pinctrl-amlogic-a4.c
@@ -856,7 +856,7 @@ static void init_bank_register_bit(struct aml_pinctrl... |
2c8725c1dca3de043670b38592b1b43105322496 | Analyze and fix the following issue in the Linux kernel code: rust: kbuild: skip `--remap-path-prefix` for `rustdoc` | Problem Details:
`rustdoc` only recognizes `--remap-path-prefix` starting with
Rust 1.81.0, which is later than on minimum, so we cannot pass it
unconditionally. Otherwise, we get:
error: Unrecognized option: 'remap-path-prefix'
Note that `rustc` (the compiler) does recognize the flag since a long
time ago (1.26.... | ```diff
diff --git a/rust/Makefile b/rust/Makefile
index ea3849eb78f6..089473a89d46 100644
--- a/rust/Makefile
+++ b/rust/Makefile
@@ -57,10 +57,14 @@ endif
core-cfgs = \
--cfg no_fp_fmt_parse
+# `rustc` recognizes `--remap-path-prefix` since 1.26.0, but `rustdoc` only
+# since Rust 1.81.0. Moreover, `rustdoc` ... |
62604063621fb075c7966286bdddcb057d883fa8 | Analyze and fix the following issue in the Linux kernel code: kbuild: deb-pkg: don't set KBUILD_BUILD_VERSION unconditionally | Problem Details:
In ThinPro, we use the convention <upstream_ver>+hp<patchlevel> for
the kernel package. This does not have a dash in the name or version.
This is built by editing ".version" before a build, and setting
EXTRAVERSION="+hp" and KDEB_PKGVERSION make variables:
echo 68 > .version
make -j<n> EXTRAVE... | ```diff
diff --git a/scripts/package/debian/rules b/scripts/package/debian/rules
index 33bfd00974b3..a417a7f8bbc1 100755
--- a/scripts/package/debian/rules
+++ b/scripts/package/debian/rules
@@ -21,9 +21,11 @@ ifeq ($(origin KBUILD_VERBOSE),undefined)
endif
endif
-revision = $(lastword $(subst -, ,$(shell dpkg-... |
cacd22ce69585a91c386243cd662ada962431e63 | Analyze and fix the following issue in the Linux kernel code: kbuild: make all file references relative to source root | Problem Details:
-fmacro-prefix-map only affects __FILE__ and __BASE_FILE__.
Other references, for example in debug information, are not affected.
This makes handling of file references in the compiler outputs harder to
use and creates problems for reproducible builds.
Switch to -ffile-prefix map which affects all ref... | ```diff
diff --git a/Documentation/kbuild/reproducible-builds.rst b/Documentation/kbuild/reproducible-builds.rst
index f2dcc39044e6..a7762486c93f 100644
--- a/Documentation/kbuild/reproducible-builds.rst
+++ b/Documentation/kbuild/reproducible-builds.rst
@@ -46,21 +46,6 @@ The kernel embeds the building user and host n... |
97282e6d380db8a07120fe1b794ac969ee4a3b5c | Analyze and fix the following issue in the Linux kernel code: x86: drop unnecessary prefix map configuration | Problem Details:
The toplevel Makefile already provides -fmacro-prefix-map as part of
KBUILD_CPPFLAGS. In contrast to the KBUILD_CFLAGS and KBUILD_AFLAGS
variables, KBUILD_CPPFLAGS is not redefined in the architecture specific
Makefiles. Therefore the toplevel KBUILD_CPPFLAGS do apply just fine, to
both C and ASM sourc... | ```diff
diff --git a/arch/x86/boot/Makefile b/arch/x86/boot/Makefile
index 9cc0ff6e9067..75e7a76deee1 100644
--- a/arch/x86/boot/Makefile
+++ b/arch/x86/boot/Makefile
@@ -54,7 +54,6 @@ targets += cpustr.h
KBUILD_CFLAGS := $(REALMODE_CFLAGS) -D_SETUP
KBUILD_AFLAGS := $(KBUILD_CFLAGS) -D__ASSEMBLY__
-KBUILD_CFLAGS +=... |
7e752910b8acd1527af34b51851998feb33cc028 | Analyze and fix the following issue in the Linux kernel code: kbuild: deb-pkg: fix versioning for -rc releases | Problem Details:
The version number with -rc should be considered older than the final
release.
For example, 6.14-rc1 should be older than 6.14, but to handle this
correctly (just like Debian kernel), "-rc" must be replace with "~rc".
$ dpkg --compare-versions 6.14-rc1 lt 6.14
$ echo $?
1
$ dpkg --compare-ver... | ```diff
diff --git a/scripts/package/mkdebian b/scripts/package/mkdebian
index 0178000197fe..07ca3528e8ea 100755
--- a/scripts/package/mkdebian
+++ b/scripts/package/mkdebian
@@ -161,7 +161,9 @@ version=$KERNELRELEASE
if [ "${KDEB_PKGVERSION:+set}" ]; then
packageversion=$KDEB_PKGVERSION
else
- packageversion=$(${s... |
67c007d6c12da3e456c005083696c20d4498ae72 | Analyze and fix the following issue in the Linux kernel code: io_uring/net: fix sendzc double notif flush | Problem Details:
refcount_t: underflow; use-after-free.
WARNING: CPU: 0 PID: 5823 at lib/refcount.c:28 refcount_warn_saturate+0x15a/0x1d0 lib/refcount.c:28
RIP: 0010:refcount_warn_saturate+0x15a/0x1d0 lib/refcount.c:28
Call Trace:
<TASK>
io_notif_flush io_uring/notif.h:40 [inline]
io_send_zc_cleanup+0x121/0x170 io_u... | ```diff
diff --git a/io_uring/net.c b/io_uring/net.c
index a288c75bb92c..50e8a3ccc9de 100644
--- a/io_uring/net.c
+++ b/io_uring/net.c
@@ -1440,6 +1440,7 @@ int io_send_zc(struct io_kiocb *req, unsigned int issue_flags)
*/
if (!(issue_flags & IO_URING_F_UNLOCKED)) {
io_notif_flush(zc->notif);
+ zc->notif = NUL... |
3860cbe239639503e56bd4365c6bf4cb957ef04e | Analyze and fix the following issue in the Linux kernel code: PM: sleep: Fix bit masking operation | Problem Details:
The mask operation link->flags | DL_FLAG_PM_RUNTIME is always true which
is incorrect. The mask operation should be using the bit-wise &
operator. Fix this.
Fixes: bca84a7b93fd ("PM: sleep: Use DPM_FLAG_SMART_SUSPEND conditionally")
Signed-off-by: Colin Ian King <colin.i.king@gmail.com>
Link: https://... | ```diff
diff --git a/drivers/base/power/main.c b/drivers/base/power/main.c
index ad50018b8047..ac2a197c1234 100644
--- a/drivers/base/power/main.c
+++ b/drivers/base/power/main.c
@@ -1836,7 +1836,7 @@ static bool device_prepare_smart_suspend(struct device *dev)
idx = device_links_read_lock();
list_for_each_entry_... |
e917b73234b02aa4966325e7380d2559bf127ba9 | Analyze and fix the following issue in the Linux kernel code: remoteproc: qcom_q6v5_pas: Make single-PD handling more robust | Problem Details:
Only go into the if condition for single-PD handling when there's
actually just one power domain specified there. Otherwise it'll be an
issue in the dts and we should fail in the regular code path.
This also mirrors the latest changes in the qcom_q6v5_mss driver.
Suggested-by: Stephan Gerhold <stepha... | ```diff
diff --git a/drivers/remoteproc/qcom_q6v5_pas.c b/drivers/remoteproc/qcom_q6v5_pas.c
index 8f6de1b3a79b..b306f223127c 100644
--- a/drivers/remoteproc/qcom_q6v5_pas.c
+++ b/drivers/remoteproc/qcom_q6v5_pas.c
@@ -501,16 +501,16 @@ static int adsp_pds_attach(struct device *dev, struct device **devs,
if (!pd_name... |
ba785ff4162a65f18ed501019637a998b752b5ad | Analyze and fix the following issue in the Linux kernel code: remoteproc: qcom_q6v5_pas: Use resource with CX PD for MSM8226 | Problem Details:
MSM8226 requires the CX power domain, so use the msm8996_adsp_resource
which has cx under proxy_pd_names and is otherwise equivalent.
Suggested-by: Stephan Gerhold <stephan.gerhold@linaro.org>
Fixes: fb4f07cc9399 ("remoteproc: qcom: pas: Add MSM8226 ADSP support")
Signed-off-by: Luca Weiss <luca@lucaw... | ```diff
diff --git a/drivers/remoteproc/qcom_q6v5_pas.c b/drivers/remoteproc/qcom_q6v5_pas.c
index 534e88b84849..8f6de1b3a79b 100644
--- a/drivers/remoteproc/qcom_q6v5_pas.c
+++ b/drivers/remoteproc/qcom_q6v5_pas.c
@@ -1435,7 +1435,7 @@ static const struct adsp_data sm8750_mpss_resource = {
};
static const struct o... |
efdde3d73ab25cef4ff2d06783b0aad8b093c0e4 | Analyze and fix the following issue in the Linux kernel code: remoteproc: core: Clear table_sz when rproc_shutdown | Problem Details:
There is case as below could trigger kernel dump:
Use U-Boot to start remote processor(rproc) with resource table
published to a fixed address by rproc. After Kernel boots up,
stop the rproc, load a new firmware which doesn't have resource table
,and start rproc.
When starting rproc with a firmware no... | ```diff
diff --git a/drivers/remoteproc/remoteproc_core.c b/drivers/remoteproc/remoteproc_core.c
index c2cf0d277729..b21eedefff87 100644
--- a/drivers/remoteproc/remoteproc_core.c
+++ b/drivers/remoteproc/remoteproc_core.c
@@ -2025,6 +2025,7 @@ int rproc_shutdown(struct rproc *rproc)
kfree(rproc->cached_table);
rpr... |
4b4ab93ddc5f28f70640f883d53c331b1a9b8d7a | Analyze and fix the following issue in the Linux kernel code: dt-bindings: remoteproc: Consolidate SC8180X and SM8150 PAS files | Problem Details:
SC8180X PAS bindings are plain wrong, resulting in false-positive
dt checker errors. SC8180X's remoteprocs happen to be identical to
SM8150's from the kernel point of view, so reuse that binding instead.
Fixes: 4865ed136045 ("dt-bindings: remoteproc: qcom: pas: Add SC8180X adsp, cdsp and mpss")
Signed... | ```diff
diff --git a/Documentation/devicetree/bindings/remoteproc/qcom,sc8180x-pas.yaml b/Documentation/devicetree/bindings/remoteproc/qcom,sc8180x-pas.yaml
deleted file mode 100644
index 45ee9fbe0966..000000000000
--- a/Documentation/devicetree/bindings/remoteproc/qcom,sc8180x-pas.yaml
+++ /dev/null
@@ -1,96 +0,0 @@
-... |
75845c6c1a64483e9985302793dbf0dfa5f71e32 | Analyze and fix the following issue in the Linux kernel code: keys: Fix UAF in key_put() | Problem Details:
Once a key's reference count has been reduced to 0, the garbage collector
thread may destroy it at any time and so key_put() is not allowed to touch
the key after that point. The most key_put() is normally allowed to do is
to touch key_gc_work as that's a static global variable.
However, in an effort... | ```diff
diff --git a/include/linux/key.h b/include/linux/key.h
index 074dca3222b9..ba05de8579ec 100644
--- a/include/linux/key.h
+++ b/include/linux/key.h
@@ -236,6 +236,7 @@ struct key {
#define KEY_FLAG_ROOT_CAN_INVAL 7 /* set if key can be invalidated by root without permission */
#define KEY_FLAG_KEEP 8 /* set i... |
5f3077d7fcd4d777b52473a7d8d6fd065a7deb20 | Analyze and fix the following issue in the Linux kernel code: selftests/bpf: Add selftests for load-acquire/store-release when register number is invalid | Problem Details:
syzbot reported out-of-bounds read in check_atomic_load/store() when the
register number is invalid in this context:
https://syzkaller.appspot.com/bug?extid=a5964227adc0f904549c
To avoid the issue from now on, let's add tests where the register number
is invalid for load-acquire/store-release.
Af... | ```diff
diff --git a/tools/testing/selftests/bpf/progs/verifier_load_acquire.c b/tools/testing/selftests/bpf/progs/verifier_load_acquire.c
index 1babe9ad9b43..77698d5a19e4 100644
--- a/tools/testing/selftests/bpf/progs/verifier_load_acquire.c
+++ b/tools/testing/selftests/bpf/progs/verifier_load_acquire.c
@@ -189,6 +18... |
c03bb2fa327e4c25d6c5360a8803a4b1cdc2d0b9 | Analyze and fix the following issue in the Linux kernel code: bpf: Fix out-of-bounds read in check_atomic_load/store() | Problem Details:
syzbot reported the following splat [0].
In check_atomic_load/store(), register validity is not checked before
atomic_ptr_type_ok(). This causes the out-of-bounds read in is_ctx_reg()
called from atomic_ptr_type_ok() when the register number is MAX_BPF_REG
or greater.
Call check_load_mem()/check_stor... | ```diff
diff --git a/kernel/bpf/verifier.c b/kernel/bpf/verifier.c
index 41fd93db8258..8ad7338e726b 100644
--- a/kernel/bpf/verifier.c
+++ b/kernel/bpf/verifier.c
@@ -7788,6 +7788,12 @@ static int check_atomic_rmw(struct bpf_verifier_env *env,
static int check_atomic_load(struct bpf_verifier_env *env,
struct ... |
8b4da3ef92060c281aa3c541ed7aab51500cf7c8 | Analyze and fix the following issue in the Linux kernel code: i2c: pasemi: Add registers bits and switch to BIT() | Problem Details:
Add the missing register bits to the defines and also switch
those to use the BIT macro which is much more readable than
using hardcoded masks
Co-developed-by: Hector Martin <marcan@marcan.st>
Signed-off-by: Hector Martin <marcan@marcan.st>
Signed-off-by: Sven Peter <sven@svenpeter.dev>
Reviewed-by: N... | ```diff
diff --git a/drivers/i2c/busses/i2c-pasemi-core.c b/drivers/i2c/busses/i2c-pasemi-core.c
index dac694a9d781..bd128ab2e2eb 100644
--- a/drivers/i2c/busses/i2c-pasemi-core.c
+++ b/drivers/i2c/busses/i2c-pasemi-core.c
@@ -5,6 +5,7 @@
* SMBus host driver for PA Semi PWRficient
*/
+#include <linux/bitfield.h>
... |
088b1ca970ba6cac141f684b7592ce56bd25e7ea | Analyze and fix the following issue in the Linux kernel code: i2c: k1: Initialize variable before use | Problem Details:
Commit 95a8ca229032 ("i2c: spacemit: add support for SpacemiT K1
SoC") introduced a check in the probe function to warn the user
if the DTS has incorrect frequency settings. In such cases, the
driver falls back to default values.
However, the return value of of_property_read_u32() was not
stored, maki... | ```diff
diff --git a/drivers/i2c/busses/i2c-k1.c b/drivers/i2c/busses/i2c-k1.c
index 0d8763b852db..5965b4cf6220 100644
--- a/drivers/i2c/busses/i2c-k1.c
+++ b/drivers/i2c/busses/i2c-k1.c
@@ -514,7 +514,7 @@ static int spacemit_i2c_probe(struct platform_device *pdev)
if (!i2c)
return -ENOMEM;
- of_property_read_u... |
7f81f27b1093e4895e87b74143c59c055c3b1906 | Analyze and fix the following issue in the Linux kernel code: tracing: Fix use-after-free in print_graph_function_flags during tracer switching | Problem Details:
Kairui reported a UAF issue in print_graph_function_flags() during
ftrace stress testing [1]. This issue can be reproduced if puting a
'mdelay(10)' after 'mutex_unlock(&trace_types_lock)' in s_start(),
and executing the following script:
$ echo function_graph > current_tracer
$ cat trace > /dev/nu... | ```diff
diff --git a/kernel/trace/trace_functions_graph.c b/kernel/trace/trace_functions_graph.c
index ed61ff719aa4..2f077d4158e5 100644
--- a/kernel/trace/trace_functions_graph.c
+++ b/kernel/trace/trace_functions_graph.c
@@ -1611,6 +1611,7 @@ void graph_trace_close(struct trace_iterator *iter)
if (data) {
free_p... |
c1657640a8b3f7023675511d4857aff4f32f3a51 | Analyze and fix the following issue in the Linux kernel code: tracing: gfp: vsprintf: Do not print "none" when using %pGg printf format | Problem Details:
The commit ca29a0bf122145 ("tracing: gfp: Remove duplication of recording
GFP flags") caused the following regression in printf_test selftest:
[ 46.208199] test_printf: kvasprintf(..., "%pGg", ...) returned 'none|0xfc000000', expected '0xfc000000'
[ 46.208209] test_printf: kvasprintf(..., "%pGg", ... | ```diff
diff --git a/include/trace/events/mmflags.h b/include/trace/events/mmflags.h
index 82371177ef79..15aae955a10b 100644
--- a/include/trace/events/mmflags.h
+++ b/include/trace/events/mmflags.h
@@ -101,7 +101,7 @@ TRACE_DEFINE_ENUM(___GFP_LAST_BIT);
gfpflag_string(GFP_DMA32), \
gfpflag_string(__GFP_RECLAIM), ... |
2cbb20b008dba39893f0e296dc8ca312f40a9a0e | Analyze and fix the following issue in the Linux kernel code: tracing: Disable branch profiling in noinstr code | Problem Details:
CONFIG_TRACE_BRANCH_PROFILING inserts a call to ftrace_likely_update()
for each use of likely() or unlikely(). That breaks noinstr rules if
the affected function is annotated as noinstr.
Disable branch profiling for files with noinstr functions. In addition
to some individual files, this also includ... | ```diff
diff --git a/arch/x86/Kbuild b/arch/x86/Kbuild
index cf0ad89f5639..f7fb3d88c57b 100644
--- a/arch/x86/Kbuild
+++ b/arch/x86/Kbuild
@@ -1,4 +1,8 @@
# SPDX-License-Identifier: GPL-2.0
+
+# Branch profiling isn't noinstr-safe. Disable it for arch/x86/*
+subdir-ccflags-$(CONFIG_TRACE_BRANCH_PROFILING) += -DDISABL... |
50a53b60e141d7e31368a87e222e4dd5597bd4ae | Analyze and fix the following issue in the Linux kernel code: perf/amd/ibs: Prevent leaking sensitive data to userspace | Problem Details:
Although IBS "swfilt" can prevent leaking samples with kernel RIP to the
userspace, there are few subtle cases where a 'data' address and/or a
'branch target' address can fall under kernel address range although RIP
is from userspace. Prevent leaking kernel 'data' addresses by discarding
such samples w... | ```diff
diff --git a/arch/x86/events/amd/ibs.c b/arch/x86/events/amd/ibs.c
index c46500592002..e36c9c63c97c 100644
--- a/arch/x86/events/amd/ibs.c
+++ b/arch/x86/events/amd/ibs.c
@@ -941,6 +941,8 @@ static void perf_ibs_get_mem_lock(union ibs_op_data3 *op_data3,
data_src->mem_lock = PERF_MEM_LOCK_LOCKED;
}
+/* Be... |
d9f87802676bb23b9425aea8ad95c76ad9b50c6e | Analyze and fix the following issue in the Linux kernel code: x86/Kconfig: Make CONFIG_PCI_CNB20LE_QUIRK depend on X86_32 | Problem Details:
I was unable to find a good description of the ServerWorks CNB20LE
chipset. However, it was probably exclusively used with the Pentium III
processor (this CPU model was used in all references to it that I
found where the CPU model was provided: dmesgs in [1] and [2];
[3] page 2; [4]-[7]).
As is widely... | ```diff
diff --git a/arch/x86/Kconfig b/arch/x86/Kconfig
index a079ecf15c71..1090eda3c29f 100644
--- a/arch/x86/Kconfig
+++ b/arch/x86/Kconfig
@@ -2929,13 +2929,21 @@ config MMCONF_FAM10H
depends on X86_64 && PCI_MMCONFIG && ACPI
config PCI_CNB20LE_QUIRK
- bool "Read CNB20LE Host Bridge Windows" if EXPERT
- depend... |
31be5041dca37a67c11042678c55804e964e5145 | Analyze and fix the following issue in the Linux kernel code: x86/Kconfig: Always enable ARCH_SPARSEMEM_ENABLE | Problem Details:
It appears that (X86_64 || X86_32) is always true on x86.
This logical OR directive was introduced in:
6ea3038648da ("arch/x86: remove depends on CONFIG_EXPERIMENTAL")
By (EXPERIMENTAL && X86_32) turning into (X86_32). Since
this change was an identity transformation, nobody noticed
that the condi... | ```diff
diff --git a/arch/x86/Kconfig b/arch/x86/Kconfig
index 08bc939abc13..442936d864c6 100644
--- a/arch/x86/Kconfig
+++ b/arch/x86/Kconfig
@@ -1563,7 +1563,6 @@ config ARCH_FLATMEM_ENABLE
config ARCH_SPARSEMEM_ENABLE
def_bool y
- depends on X86_64 || NUMA || X86_32
select SPARSEMEM_STATIC if X86_32
select ... |
6287fbad1cd91f0c25cdc3a580499060828a8f30 | Analyze and fix the following issue in the Linux kernel code: fs/procfs: fix the comment above proc_pid_wchan() | Problem Details:
proc_pid_wchan() used to report kernel addresses to user space but that is
no longer the case today. Bring the comment above proc_pid_wchan() in
sync with the implementation.
Link: https://lkml.kernel.org/r/20250319210222.1518771-1-bvanassche@acm.org
Fixes: b2f73922d119 ("fs/proc, core/debug: Don't e... | ```diff
diff --git a/fs/proc/base.c b/fs/proc/base.c
index cd89e956c322..7feb8f41aa25 100644
--- a/fs/proc/base.c
+++ b/fs/proc/base.c
@@ -416,7 +416,7 @@ static const struct file_operations proc_pid_cmdline_ops = {
#ifdef CONFIG_KALLSYMS
/*
* Provides a wchan file via kallsyms in a proper one-value-per-file format... |
2158599a4b6d735e1a57c8320723ca74c42dd7ae | Analyze and fix the following issue in the Linux kernel code: samples: add hung_task detector mutex blocking sample | Problem Details:
Add a hung_task detector mutex blocking test sample code.
This module will create a dummy file on the debugfs. That file will cause
the read process to sleep for enough long time (256 seconds) while holding
a mutex. As a result, the second process will wait on the mutex for a
prolonged duration and ... | ```diff
diff --git a/samples/Kconfig b/samples/Kconfig
index 820e00b2ed68..09011be2391a 100644
--- a/samples/Kconfig
+++ b/samples/Kconfig
@@ -300,6 +300,15 @@ config SAMPLE_CHECK_EXEC
demonstrate how they should be used with execveat(2) +
AT_EXECVE_CHECK.
+config SAMPLE_HUNG_TASK
+ tristate "Hung task detect... |
d893aca973c315ee985e1f8220fcd239c0ab7d19 | Analyze and fix the following issue in the Linux kernel code: x86/mm: restore early initialization of high_memory for 32-bits | Problem Details:
Kernel test robot reports the following crash on 32-bit system with
HIGHMEM and DEBUG_VIRTUAL:
[ 0.056128][ T0] kernel BUG at arch/x86/mm/physaddr.c:77!
PANIC: early exception 0x06 IP 60:c116539d error 0 cr2 0x0
[ 0.056916][ T0] CPU: 0 UID: 0 PID: 0 Comm: swapper Not tainted 6.14.0-rc4-000... | ```diff
diff --git a/arch/x86/mm/init_32.c b/arch/x86/mm/init_32.c
index 95b2758b4e4d..f69d2436d780 100644
--- a/arch/x86/mm/init_32.c
+++ b/arch/x86/mm/init_32.c
@@ -626,6 +626,9 @@ void __init initmem_init(void)
highstart_pfn = max_low_pfn;
printk(KERN_NOTICE "%ldMB HIGHMEM available.\n",
pages_to_mb(highend_... |
1b0449544c6482179ac84530b61fc192a6527bfd | Analyze and fix the following issue in the Linux kernel code: mm/vmscan: don't try to reclaim hwpoison folio | Problem Details:
Syzkaller reports a bug as follows:
Injecting memory failure for pfn 0x18b00e at process virtual address 0x20ffd000
Memory failure: 0x18b00e: dirty swapcache page still referenced by 2 users
Memory failure: 0x18b00e: recovery action for dirty swapcache page: Failed
page: refcount:2 mapcount:0 mapping:... | ```diff
diff --git a/mm/vmscan.c b/mm/vmscan.c
index 98e6ac82e428..2b2ab386cab5 100644
--- a/mm/vmscan.c
+++ b/mm/vmscan.c
@@ -1127,6 +1127,13 @@ retry:
if (!folio_trylock(folio))
goto keep;
+ if (folio_contain_hwpoisoned_page(folio)) {
+ unmap_poisoned_folio(folio, folio_pfn(folio), false);
+ folio_unloc... |
5f5ee52d4f58605330b09851273d6e56aaadd29e | Analyze and fix the following issue in the Linux kernel code: mm/hwpoison: introduce folio_contain_hwpoisoned_page() helper | Problem Details:
Patch series "mm/vmscan: don't try to reclaim hwpoison folio".
Fix a bug during memory reclaim if folio is hwpoisoned.
This patch (of 2):
Introduce helper folio_contain_hwpoisoned_page() to check if the entire
folio is hwpoisoned or it contains hwpoisoned pages.
Link: https://lkml.kernel.org/r/202... | ```diff
diff --git a/include/linux/page-flags.h b/include/linux/page-flags.h
index f26ce54c7aa4..68f4b188fc6b 100644
--- a/include/linux/page-flags.h
+++ b/include/linux/page-flags.h
@@ -1098,6 +1098,12 @@ static inline bool is_page_hwpoison(const struct page *page)
return folio_test_hugetlb(folio) && PageHWPoison(&f... |
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