id stringlengths 40 40 | instruction stringlengths 68 308 | input stringlengths 17 33.4k | output stringlengths 100 30k |
|---|---|---|---|
0b49c7d0ae697fcecd7377cb7dda220f7cd096ff | Analyze and fix the following issue in the Linux kernel code: lib: kunit_iov_iter: fix memory leaks | Problem Details:
Use vfree() instead of vunmap() to free the buffer allocated by
iov_kunit_create_buffer() because vunmap() does not honour
VM_MAP_PUT_PAGES. In order for this to work the page array itself must
not be managed by kunit.
Remove the folio_put() when destroying a folioq. This is handled by
vfree(), now.... | ```diff
diff --git a/lib/tests/kunit_iov_iter.c b/lib/tests/kunit_iov_iter.c
index bb847e5010eb..d16449bdb833 100644
--- a/lib/tests/kunit_iov_iter.c
+++ b/lib/tests/kunit_iov_iter.c
@@ -42,7 +42,7 @@ static inline u8 pattern(unsigned long x)
static void iov_kunit_unmap(void *data)
{
- vunmap(data);
+ vfree(data);
... |
118cf3f55975352ac357fb194405031458186819 | Analyze and fix the following issue in the Linux kernel code: lib/scatterlist: fix temp buffer in extract_user_to_sg() | Problem Details:
Instead of allocating a temporary buffer for extracted user pages
extract_user_to_sg() uses the end of the to be filled scatterlist as a
temporary buffer.
Fix the calculation of the start address if the scatterlist already
contains elements. The unused space starts at sgtable->sgl +
sgtable->nents no... | ```diff
diff --git a/lib/scatterlist.c b/lib/scatterlist.c
index befdc4b9c11d..b7fe91ef35b8 100644
--- a/lib/scatterlist.c
+++ b/lib/scatterlist.c
@@ -1123,8 +1123,7 @@ static ssize_t extract_user_to_sg(struct iov_iter *iter,
size_t len, off;
/* We decant the page list into the tail of the scatterlist */
- pages ... |
07b7d66e65d9cfe6b9c2c34aa22cfcaac37a5c45 | Analyze and fix the following issue in the Linux kernel code: lib/scatterlist: fix length calculations in extract_kvec_to_sg | Problem Details:
Patch series "Fix bugs in extract_iter_to_sg()", v3.
Fix bugs in the kvec and user variants of extract_iter_to_sg. This series
is growing due to useful remarks made by sashiko.dev.
The main bugs are:
- The length for an sglist entry when extracting from
a kvec can exceed the number of bytes in the... | ```diff
diff --git a/lib/scatterlist.c b/lib/scatterlist.c
index d773720d11bf..befdc4b9c11d 100644
--- a/lib/scatterlist.c
+++ b/lib/scatterlist.c
@@ -1247,7 +1247,7 @@ static ssize_t extract_kvec_to_sg(struct iov_iter *iter,
else
page = virt_to_page((void *)kaddr);
- sg_set_page(sg, page, len, off);
+ s... |
675a0dd596e712404557286d0a883b54ee28e4f4 | Analyze and fix the following issue in the Linux kernel code: arm64/xor: fix conflicting attributes for xor_block_template | Problem Details:
Commit 2c54b423cf85 ("arm64/xor: use EOR3 instructions when available")
changes the definition to __ro_after_init instead of const, but failed to
update the external declaration in xor.h. This was not found because
xor-neon.c doesn't include <asm/xor.h>, and can't easily do that due to
current archite... | ```diff
diff --git a/arch/arm64/include/asm/xor.h b/arch/arm64/include/asm/xor.h
index c38e3d017a79..bb7428d4ebc6 100644
--- a/arch/arm64/include/asm/xor.h
+++ b/arch/arm64/include/asm/xor.h
@@ -13,7 +13,7 @@
#ifdef CONFIG_KERNEL_MODE_NEON
-extern struct xor_block_template const xor_block_inner_neon;
+extern struc... |
210259987d9a7bb8506f3e93c2ddbece15c13b15 | Analyze and fix the following issue in the Linux kernel code: perf metrics: Make common stalled metrics conditional on having the event | Problem Details:
The metric code uses the event parsing code but it generally assumes
all events are supported. Arnaldo reported AMD supporting
stalled-cycles-frontend but not stalled-cycles-backend [1]. An issue
with this is that before parsing happens the metric code tries to
share events within groups to reduce the ... | ```diff
diff --git a/tools/perf/pmu-events/arch/common/common/metrics.json b/tools/perf/pmu-events/arch/common/common/metrics.json
index 0d010b3ebc6d..cefc8bfe7830 100644
--- a/tools/perf/pmu-events/arch/common/common/metrics.json
+++ b/tools/perf/pmu-events/arch/common/common/metrics.json
@@ -46,14 +46,14 @@
},
... |
8cc518735beb879c51df712a5ce5893c02f81b12 | Analyze and fix the following issue in the Linux kernel code: perf header: Add utility to convert feature number to a string | Problem Details:
For logging and debug messages it can be convenient to convert a
feature number to a name. Add header_feat__name for this and reuse the
data already within the feat_ops struct.
Signed-off-by: Ian Rogers <irogers@google.com>
Signed-off-by: Namhyung Kim <namhyung@kernel.org> | ```diff
diff --git a/tools/perf/util/header.c b/tools/perf/util/header.c
index 9ffc0f4ca6d1..34178ce826fb 100644
--- a/tools/perf/util/header.c
+++ b/tools/perf/util/header.c
@@ -3780,6 +3780,13 @@ struct header_print_data {
bool full; /* extended list of headers */
};
+const char *header_feat__name(unsigned int i... |
42a9f5a16328ed78a88e0498556965b6c6ec515c | Analyze and fix the following issue in the Linux kernel code: arm64: dts: imx8mm-tqma8mqml: Correct PAD settings for PMIC_nINT | Problem Details:
With commit 5d0efaf47ee90 ("regulator: pca9450: Correct interrupt type"),
there might be interrupt storm for this board. Need to set PAD PUE and PU
together to make pull up work properly.
Fixes: dfcd1b6f7620e ("arm64: dts: freescale: add initial device tree for TQMa8MQML with i.MX8MM")
Signed-off-by: ... | ```diff
diff --git a/arch/arm64/boot/dts/freescale/imx8mm-tqma8mqml.dtsi b/arch/arm64/boot/dts/freescale/imx8mm-tqma8mqml.dtsi
index 29b298af0d73..1b5ba3c47164 100644
--- a/arch/arm64/boot/dts/freescale/imx8mm-tqma8mqml.dtsi
+++ b/arch/arm64/boot/dts/freescale/imx8mm-tqma8mqml.dtsi
@@ -292,7 +292,7 @@
};
pinctrl_... |
0fb37990774113afd943eaa91323679388584b6d | Analyze and fix the following issue in the Linux kernel code: arm64: dts: imx8mn-tqma8mqnl: Correct PAD settings for PMIC_nINT | Problem Details:
With commit 5d0efaf47ee90 ("regulator: pca9450: Correct interrupt type"),
there might be interrupt storm for this board. Need to set PAD PUE and PU
together to make pull up work properly.
Fixes: 3e56e354db6d3 ("arm64: dts: freescale: add initial device tree for TQMa8MQNL with i.MX8MN")
Signed-off-by: ... | ```diff
diff --git a/arch/arm64/boot/dts/freescale/imx8mn-tqma8mqnl.dtsi b/arch/arm64/boot/dts/freescale/imx8mn-tqma8mqnl.dtsi
index 31a3ca137e63..48a687926aa1 100644
--- a/arch/arm64/boot/dts/freescale/imx8mn-tqma8mqnl.dtsi
+++ b/arch/arm64/boot/dts/freescale/imx8mn-tqma8mqnl.dtsi
@@ -283,7 +283,7 @@
};
pinctrl_... |
721dec3ee9ff5231d13a412ff87df63b966d137b | Analyze and fix the following issue in the Linux kernel code: arm64: dts: imx8mm-emtop-som: Correct PAD settings for PMIC_nINT | Problem Details:
With commit 5d0efaf47ee90 ("regulator: pca9450: Correct interrupt type"),
there might be interrupt storm for this board. Need to set PAD PUE and PU
together to make pull up work properly.
While at here, also correct interrupt type as IRQ_TYPE_LEVEL_LOW.
Fixes: cbd3ef64eb9d1 ("arm64: dts: Add support ... | ```diff
diff --git a/arch/arm64/boot/dts/freescale/imx8mm-emtop-som.dtsi b/arch/arm64/boot/dts/freescale/imx8mm-emtop-som.dtsi
index 67d22d3768aa..507d1824d99d 100644
--- a/arch/arm64/boot/dts/freescale/imx8mm-emtop-som.dtsi
+++ b/arch/arm64/boot/dts/freescale/imx8mm-emtop-som.dtsi
@@ -60,7 +60,7 @@
pinctrl-names = ... |
11e8d234d4be7af401e8a24e078005ecd9bc1d1a | Analyze and fix the following issue in the Linux kernel code: perf trace: Fix potential u64 underflow in duration calculation | Problem Details:
Although it happens very rarely, in case of out-of-order events (i.e.
due to CPU migration when a syscall is executed), the calculation of
event duration might underflow and thus a bogus value is printed:
2.804 ( 0.001 ms): :49553/49553 rt_sigaction(sig: QUIT, act: 0x7fff403ed6e0, oact: 0x7fff403e... | ```diff
diff --git a/tools/perf/builtin-trace.c b/tools/perf/builtin-trace.c
index d121640ace6e..873d144807e2 100644
--- a/tools/perf/builtin-trace.c
+++ b/tools/perf/builtin-trace.c
@@ -2960,7 +2960,7 @@ static int trace__sys_exit(struct trace *trace, struct evsel *evsel,
++trace->stats.vfs_getname;
}
- if (ttr... |
5b402a8aceb15682457b7e65eef1a133d6dfe7e3 | Analyze and fix the following issue in the Linux kernel code: scsi: lpfc: Add REG_VFI mailbox cmd error handling | Problem Details:
If lpfc_issue_reg_vfi() returns an error in lpfc_rcv_plogi(), then
execution of lpfc_rcv_plogi() continues and lpfc_reg_rpi() is called, which
allocates an mbuf. When this REG_RPI mailbox is issued, it inevitably
fails because the VFI is not registered. However, the REG_RPI failure does
not free the ... | ```diff
diff --git a/drivers/scsi/lpfc/lpfc_nportdisc.c b/drivers/scsi/lpfc/lpfc_nportdisc.c
index 5e431928de0b..9c449055a55e 100644
--- a/drivers/scsi/lpfc/lpfc_nportdisc.c
+++ b/drivers/scsi/lpfc/lpfc_nportdisc.c
@@ -1,7 +1,7 @@
/*******************************************************************
* This file is pa... |
51f4e090b9f87b40c21b6daadb5c06e6c0a07b67 | Analyze and fix the following issue in the Linux kernel code: net: stmmac: fix integer underflow in chain mode | Problem Details:
The jumbo_frm() chain-mode implementation unconditionally computes
len = nopaged_len - bmax;
where nopaged_len = skb_headlen(skb) (linear bytes only) and bmax is
BUF_SIZE_8KiB or BUF_SIZE_2KiB. However, the caller stmmac_xmit()
decides to invoke jumbo_frm() based on skb->len (total length includ... | ```diff
diff --git a/drivers/net/ethernet/stmicro/stmmac/chain_mode.c b/drivers/net/ethernet/stmicro/stmmac/chain_mode.c
index 120a009c9992..37f9417c7c0e 100644
--- a/drivers/net/ethernet/stmicro/stmmac/chain_mode.c
+++ b/drivers/net/ethernet/stmicro/stmmac/chain_mode.c
@@ -20,7 +20,7 @@ static int jumbo_frm(struct stm... |
6dede3967619b5944003227a5d09fdc21ed57d10 | Analyze and fix the following issue in the Linux kernel code: net: altera-tse: fix skb leak on DMA mapping error in tse_start_xmit() | Problem Details:
When dma_map_single() fails in tse_start_xmit(), the function returns
NETDEV_TX_OK without freeing the skb. Since NETDEV_TX_OK tells the
stack the packet was consumed, the skb is never freed, leaking memory
on every DMA mapping failure.
Add dev_kfree_skb_any() before returning to properly free the skb... | ```diff
diff --git a/drivers/net/ethernet/altera/altera_tse_main.c b/drivers/net/ethernet/altera/altera_tse_main.c
index 4342e2d026f8..9eed0be4411e 100644
--- a/drivers/net/ethernet/altera/altera_tse_main.c
+++ b/drivers/net/ethernet/altera/altera_tse_main.c
@@ -570,6 +570,7 @@ static netdev_tx_t tse_start_xmit(struct ... |
2ba199067b89edcf4dcc760941b26753494eb668 | Analyze and fix the following issue in the Linux kernel code: selftests/bpf: Cover invariant violation case from syzbot | Problem Details:
This patch adds a selftest for the change in the previous patch. The
selftest is derived from a syzbot reproducer from [1] (among the 22
reproducers on that page, only 4 still reproduced on latest bpf tree,
all being small variants of the same invariant violation).
The test case failure without the pr... | ```diff
diff --git a/tools/testing/selftests/bpf/progs/verifier_bounds.c b/tools/testing/selftests/bpf/progs/verifier_bounds.c
index bb20f0f06f05..df7c62a12318 100644
--- a/tools/testing/selftests/bpf/progs/verifier_bounds.c
+++ b/tools/testing/selftests/bpf/progs/verifier_bounds.c
@@ -2165,4 +2165,33 @@ l0_%=: r0 = 0;... |
b254c6d816e53ca02856b6f46b4dc56caf6e7713 | Analyze and fix the following issue in the Linux kernel code: bpf: Simulate branches to prune based on range violations | Problem Details:
This patch fixes the invariant violations that can happen after we
refine ranges & tnum based on an incorrectly-detected branch condition.
For example, the branch is always true, but we miss it in
is_branch_taken; we then refine based on the branch being false and end
up with incoherent ranges (e.g. um... | ```diff
diff --git a/kernel/bpf/verifier.c b/kernel/bpf/verifier.c
index 8215355f6be0..a431b7d50e1b 100644
--- a/kernel/bpf/verifier.c
+++ b/kernel/bpf/verifier.c
@@ -16786,11 +16786,50 @@ static void find_good_pkt_pointers(struct bpf_verifier_state *vstate,
}));
}
+static void regs_refine_cond_op(struct bpf_reg_s... |
1821f77fdaec87b31bea950ca465a96601d78ab7 | Analyze and fix the following issue in the Linux kernel code: scsi: aic7xxx: Fix compiler warnings triggered by user space code | Problem Details:
Fix the following compiler warnings:
aicasm_gram.y:1107:24: warning: comparison of different enumeration types
('scope_type' and 'enum yytokentype') [-Wenum-compare]
1107 | || last_scope->type == T_ELSE) {
| ~~~~~~~~~~~~~~~~ ^ ~~~~~~
aicasm_scan.l:392... | ```diff
diff --git a/drivers/scsi/aic7xxx/aicasm/aicasm.h b/drivers/scsi/aic7xxx/aicasm/aicasm.h
index 716a2aefc925..f290b50c6475 100644
--- a/drivers/scsi/aic7xxx/aicasm/aicasm.h
+++ b/drivers/scsi/aic7xxx/aicasm/aicasm.h
@@ -82,7 +82,7 @@ extern int src_mode;
extern int dst_mode;
struct symbol;
-void stop(con... |
23c29ca113e3838e9c8473c65dbc147bd058d757 | Analyze and fix the following issue in the Linux kernel code: scsi: ufs: ufs-qcom: Fix spelling mistake "retore" -> "restore" | Problem Details:
There is a spelling mistake in a dev_err() message. Fix it.
Signed-off-by: Colin Ian King <colin.i.king@gmail.com>
Reviewed-by: Manivannan Sadhasivam <mani@kernel.org>
Link: https://patch.msgid.link/20260331153049.1344957-1-colin.i.king@gmail.com
Signed-off-by: Martin K. Petersen <martin.petersen@orac... | ```diff
diff --git a/drivers/ufs/host/ufs-qcom.c b/drivers/ufs/host/ufs-qcom.c
index 5a58ffef3d27..bc037db46624 100644
--- a/drivers/ufs/host/ufs-qcom.c
+++ b/drivers/ufs/host/ufs-qcom.c
@@ -2810,7 +2810,7 @@ static int ufs_qcom_get_rx_fom(struct ufs_hba *hba,
/* Restore Power Mode. */
ret = ufshcd_change_power_mod... |
85a9a4abcdc09ee941273c99d3ad0bc2ddef09ea | Analyze and fix the following issue in the Linux kernel code: perf header: Validate build_id filename length to prevent buffer overflow | Problem Details:
The build_id parsing functions calculate a filename length from the
event header size and read directly into a stack buffer of PATH_MAX
bytes without bounds checking. A malformed perf.data file with a
crafted header.size can cause the length to be negative or exceed
PATH_MAX, resulting in a stack buffe... | ```diff
diff --git a/tools/perf/util/header.c b/tools/perf/util/header.c
index 9142a8ba4019..9ffc0f4ca6d1 100644
--- a/tools/perf/util/header.c
+++ b/tools/perf/util/header.c
@@ -2545,6 +2545,11 @@ static int perf_header__read_build_ids_abi_quirk(struct perf_header *header,
perf_event_header__bswap(&old_bev.header)... |
3a61fd866ef9aaa1d3158b460f852b74a2df07f4 | Analyze and fix the following issue in the Linux kernel code: perf expr: Return -EINVAL for syntax error in expr__find_ids() | Problem Details:
expr__find_ids() propagates the parser return value directly. For syntax
errors, the parser can return a positive value, but callers treat it as
success, e.g., for below case on Arm64 platform:
metric expr 100 * (STALL_SLOT_BACKEND / (CPU_CYCLES * #slots) - BR_MIS_PRED * 3 / CPU_CYCLES) for backend... | ```diff
diff --git a/tools/perf/util/expr.c b/tools/perf/util/expr.c
index 465fe2e9bbbe..b7664cb68554 100644
--- a/tools/perf/util/expr.c
+++ b/tools/perf/util/expr.c
@@ -376,7 +376,8 @@ int expr__find_ids(const char *expr, const char *one,
if (one)
expr__del_id(ctx, one);
- return ret;
+ /* A positive value mea... |
8e8cb6f39930e836144f51cdb6d409c9e4cb71fe | Analyze and fix the following issue in the Linux kernel code: scsi: hpsa: Enlarge controller and IRQ name buffers | Problem Details:
hpsa formats the controller name into h->devname[8] and derives
interrupt names from it in h->intrname[][16]. Once host_no reaches four
digits, "hpsa%d" no longer fits in devname, and the derived IRQ names
can then overrun the interrupt-name buffers as well.
The previous fix switched these builders to... | ```diff
diff --git a/drivers/scsi/hpsa.h b/drivers/scsi/hpsa.h
index 99b0750850b2..f6bfe75dd696 100644
--- a/drivers/scsi/hpsa.h
+++ b/drivers/scsi/hpsa.h
@@ -164,7 +164,7 @@ struct bmic_controller_parameters {
struct ctlr_info {
unsigned int *reply_map;
int ctlr;
- char devname[8];
+ char devname[16];
char *... |
2fd68c7ea2ae741a4446d54c8a461255022e2dc7 | Analyze and fix the following issue in the Linux kernel code: MAINTAINERS: orphan PPP over Ethernet driver | Problem Details:
We haven't seen activities from Michal Ostrowski for quite a long time.
The last commit from him is fb64bb560e18 ("PPPoE: Fix flush/close
races."), which was in 2009. Email to mostrows@earthlink.net also
bounces.
Signed-off-by: Qingfang Deng <dqfext@gmail.com>
Link: https://patch.msgid.link/2026040102... | ```diff
diff --git a/MAINTAINERS b/MAINTAINERS
index c3fe46d7c4bc..c6e226ae109d 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -21075,8 +21075,7 @@ F: include/uapi/linux/atmppp.h
F: net/atm/pppoatm.c
PPP OVER ETHERNET
-M: Michal Ostrowski <mostrows@earthlink.net>
-S: Maintained
+S: Orphan
F: drivers/net/ppp/pppoe.c... |
1ef5789d9906df3771c99b7f413caaf2bf473ca5 | Analyze and fix the following issue in the Linux kernel code: macvlan: annotate data-races around port->bc_queue_len_used | Problem Details:
port->bc_queue_len_used is read and written locklessly,
add READ_ONCE()/WRITE_ONCE() annotations.
While WRITE_ONCE() in macvlan_fill_info() is not yet needed,
it is a prereq for future RTNL avoidance.
Fixes: d4bff72c8401 ("macvlan: Support for high multicast packet rate")
Signed-off-by: Eric Dumazet ... | ```diff
diff --git a/drivers/net/macvlan.c b/drivers/net/macvlan.c
index ea22909cb09d..bbb5c32541f9 100644
--- a/drivers/net/macvlan.c
+++ b/drivers/net/macvlan.c
@@ -356,6 +356,7 @@ static void macvlan_broadcast_enqueue(struct macvlan_port *port,
const struct macvlan_dev *src,
struct sk_buff *skb... |
35ecb77ae0749a2f1b04872c9978d9d7ddbbeb79 | Analyze and fix the following issue in the Linux kernel code: crypto: qat - use swab32 macro | Problem Details:
Replace __builtin_bswap32() with swab32 in icp_qat_hw_20_comp.h to fix
the following build errors on architectures without native byte-swap
support:
alpha-linux-ld: drivers/crypto/intel/qat/qat_common/adf_gen4_hw_data.o: in function `adf_gen4_build_decomp_block':
drivers/crypto/intel/qat/qat_com... | ```diff
diff --git a/drivers/crypto/intel/qat/qat_common/icp_qat_hw_20_comp.h b/drivers/crypto/intel/qat/qat_common/icp_qat_hw_20_comp.h
index 7ea8962272f2..d28732225c9e 100644
--- a/drivers/crypto/intel/qat/qat_common/icp_qat_hw_20_comp.h
+++ b/drivers/crypto/intel/qat/qat_common/icp_qat_hw_20_comp.h
@@ -3,6 +3,8 @@
... |
5469d16e71d65e2a71b68e0bb46eae63f9cb8965 | Analyze and fix the following issue in the Linux kernel code: crypto: kconfig - fix typos in atmel-ecc and atmel-sha204a help | Problem Details:
s/Microhip/Microchip/
Signed-off-by: Thorsten Blum <thorsten.blum@linux.dev>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au> | ```diff
diff --git a/drivers/crypto/Kconfig b/drivers/crypto/Kconfig
index 8d3b5d2890f8..16fa56898d35 100644
--- a/drivers/crypto/Kconfig
+++ b/drivers/crypto/Kconfig
@@ -490,7 +490,7 @@ config CRYPTO_DEV_ATMEL_ECC
select CRYPTO_ECDH
select CRC16
help
- Microhip / Atmel ECC hw accelerator.
+ Microchip / Atmel... |
590fa5d69c27cfaecd2e8287aec78f902417c877 | Analyze and fix the following issue in the Linux kernel code: crypto: iaa - fix per-node CPU counter reset in rebalance_wq_table() | Problem Details:
The cpu counter used to compute the IAA device index is reset to zero
at the start of each NUMA node iteration. This causes CPUs on every
node to map starting from IAA index 0 instead of continuing from the
previous node's last index. On multi-node systems, this results in all
nodes mapping their CPUs ... | ```diff
diff --git a/drivers/crypto/intel/iaa/iaa_crypto_main.c b/drivers/crypto/intel/iaa/iaa_crypto_main.c
index 547abf453d4a..f62b994e18e5 100644
--- a/drivers/crypto/intel/iaa/iaa_crypto_main.c
+++ b/drivers/crypto/intel/iaa/iaa_crypto_main.c
@@ -906,8 +906,8 @@ static void rebalance_wq_table(void)
return;
}
... |
ec23d75c4b77ae42af0777ea59599b1d4f611371 | Analyze and fix the following issue in the Linux kernel code: crypto: qat - fix type mismatch in RAS sysfs show functions | Problem Details:
ADF_RAS_ERR_CTR_READ() expands to atomic_read(), which returns int.
The local variable 'counter' was declared as 'unsigned long', causing
a type mismatch on the assignment. The format specifier '%ld' was
consequently wrong in two ways: wrong length modifier and wrong
signedness.
Use int to match the r... | ```diff
diff --git a/drivers/crypto/intel/qat/qat_common/adf_sysfs_ras_counters.c b/drivers/crypto/intel/qat/qat_common/adf_sysfs_ras_counters.c
index e97c67c87b3c..6abb57bfd328 100644
--- a/drivers/crypto/intel/qat/qat_common/adf_sysfs_ras_counters.c
+++ b/drivers/crypto/intel/qat/qat_common/adf_sysfs_ras_counters.c
@... |
795c24c677c7a1c12f5768daf22a874a2890662f | Analyze and fix the following issue in the Linux kernel code: crypto: qat - fix compression instance leak | Problem Details:
qat_comp_alg_init_tfm() acquires a compression instance via
qat_compression_get_instance_node() before calling qat_comp_build_ctx()
to initialize the compression context. If qat_comp_build_ctx() fails, the
function returns an error without releasing the compression instance,
causing a resource leak.
W... | ```diff
diff --git a/drivers/crypto/intel/qat/qat_common/qat_comp_algs.c b/drivers/crypto/intel/qat/qat_common/qat_comp_algs.c
index 1265177e3a89..bfc820a08ada 100644
--- a/drivers/crypto/intel/qat/qat_common/qat_comp_algs.c
+++ b/drivers/crypto/intel/qat/qat_common/qat_comp_algs.c
@@ -133,7 +133,7 @@ static int qat_co... |
f216e0f2d1787e662bb6662c9c522185aa3b855a | Analyze and fix the following issue in the Linux kernel code: crypto: qat - disable 420xx AE cluster when lead engine is fused off | Problem Details:
The get_ae_mask() function only disables individual engines based on
the fuse register, but engines are organized in clusters of 4. If the
lead engine of a cluster is fused off, the entire cluster must be
disabled.
Replace the single bitmask inversion with explicit test_bit() checks
on the lead engine... | ```diff
diff --git a/drivers/crypto/intel/qat/qat_420xx/adf_420xx_hw_data.c b/drivers/crypto/intel/qat/qat_420xx/adf_420xx_hw_data.c
index 35105213d40c..0002122219bc 100644
--- a/drivers/crypto/intel/qat/qat_420xx/adf_420xx_hw_data.c
+++ b/drivers/crypto/intel/qat/qat_420xx/adf_420xx_hw_data.c
@@ -97,9 +97,25 @@ static... |
b260d53561dd69b29505222ec44cf386ac2c2ca6 | Analyze and fix the following issue in the Linux kernel code: crypto: qat - disable 4xxx AE cluster when lead engine is fused off | Problem Details:
The get_ae_mask() function only disables individual engines based on
the fuse register, but engines are organized in clusters of 4. If the
lead engine of a cluster is fused off, the entire cluster must be
disabled.
Replace the single bitmask inversion with explicit test_bit() checks
on the lead engine... | ```diff
diff --git a/drivers/crypto/intel/qat/qat_4xxx/adf_4xxx_hw_data.c b/drivers/crypto/intel/qat/qat_4xxx/adf_4xxx_hw_data.c
index 740f68a36ac5..900f19b90b2d 100644
--- a/drivers/crypto/intel/qat/qat_4xxx/adf_4xxx_hw_data.c
+++ b/drivers/crypto/intel/qat/qat_4xxx/adf_4xxx_hw_data.c
@@ -100,9 +100,19 @@ static struc... |
8eceab19eba9dcbfd2a0daec72e1bf48aa100170 | Analyze and fix the following issue in the Linux kernel code: crypto: af_alg - limit RX SG extraction by receive buffer budget | Problem Details:
Make af_alg_get_rsgl() limit each RX scatterlist extraction to the
remaining receive buffer budget.
af_alg_get_rsgl() currently uses af_alg_readable() only as a gate
before extracting data into the RX scatterlist. Limit each extraction
to the remaining af_alg_rcvbuf(sk) budget so that receive-side
acc... | ```diff
diff --git a/crypto/af_alg.c b/crypto/af_alg.c
index 8e0199394984..437f3e77c7e0 100644
--- a/crypto/af_alg.c
+++ b/crypto/af_alg.c
@@ -1229,6 +1229,8 @@ int af_alg_get_rsgl(struct sock *sk, struct msghdr *msg, int flags,
seglen = min_t(size_t, (maxsize - len),
msg_data_left(msg));
+ /* Never pi... |
7487d8db3336839567aabae24618a4f2f2f2adad | Analyze and fix the following issue in the Linux kernel code: vfio/pci: Require vfio_device_ops.name | Problem Details:
vfio-pci-core code makes use of the vfio_device_ops.name field in order
to set a default driver_override for VFs created on a user-owned PF.
This avoids default driver matching, which might otherwise bind those
VFs to native drivers.
The mechanism for this currently uses kasprintf(), which will set
dr... | ```diff
diff --git a/drivers/vfio/pci/vfio_pci_core.c b/drivers/vfio/pci/vfio_pci_core.c
index d43745fe4c84..84d60689d386 100644
--- a/drivers/vfio/pci/vfio_pci_core.c
+++ b/drivers/vfio/pci/vfio_pci_core.c
@@ -2139,6 +2139,10 @@ int vfio_pci_core_register_device(struct vfio_pci_core_device *vdev)
if (WARN_ON(vdev !=... |
c8717a7fa5d2ea9048f398c16ab61d8e4c8f83b8 | Analyze and fix the following issue in the Linux kernel code: ecryptfs: Fix typo in ecryptfs_derive_iv function comment | Problem Details:
s/vale/value/
Signed-off-by: Thorsten Blum <thorsten.blum@linux.dev>
Signed-off-by: Tyler Hicks <code@tyhicks.com> | ```diff
diff --git a/fs/ecryptfs/crypto.c b/fs/ecryptfs/crypto.c
index 3cc4afb8b10d..a7511acc593e 100644
--- a/fs/ecryptfs/crypto.c
+++ b/fs/ecryptfs/crypto.c
@@ -72,7 +72,7 @@ out:
/**
* ecryptfs_derive_iv
- * @iv: destination for the derived iv vale
+ * @iv: destination for the derived iv value
* @crypt_stat: ... |
63f5156a9c3e85ecfcc0127df6069cd7baa7eeb0 | Analyze and fix the following issue in the Linux kernel code: selftests/bpf: Improve task local data documentation and fix potential memory leak | Problem Details:
If TLD_FREE_DATA_ON_THREAD_EXIT is not enabled in a translation unit
that calls __tld_create_key() first, another translation unit that
enables it will not get the auto cleanup feature as pthread key is only
created once when allocation metadata. Fix it by always try to create
the pthread key when __tl... | ```diff
diff --git a/tools/testing/selftests/bpf/prog_tests/task_local_data.h b/tools/testing/selftests/bpf/prog_tests/task_local_data.h
index 91f3486439bf..1e5c67c78ffb 100644
--- a/tools/testing/selftests/bpf/prog_tests/task_local_data.h
+++ b/tools/testing/selftests/bpf/prog_tests/task_local_data.h
@@ -22,14 +22,17 ... |
7c8ca532a7413b9ecf533d870641e9cff333d685 | Analyze and fix the following issue in the Linux kernel code: selftests/bpf: Fix task_local_data data allocation size | Problem Details:
Currently, when allocating memory for data, size of tld_data_u->start
is not taken into account. This may cause OOB access. Fixed it by adding
the non-flexible array part of tld_data_u.
Besides, explicitly align tld_data_u->data to 8 bytes in case some
fields are added before data in the future. It co... | ```diff
diff --git a/tools/testing/selftests/bpf/prog_tests/task_local_data.h b/tools/testing/selftests/bpf/prog_tests/task_local_data.h
index 7819f318b2fb..a52d8b549425 100644
--- a/tools/testing/selftests/bpf/prog_tests/task_local_data.h
+++ b/tools/testing/selftests/bpf/prog_tests/task_local_data.h
@@ -90,7 +90,7 @@... |
83a679d61e8d18787ddc6c2f406546bb80dd2a8d | Analyze and fix the following issue in the Linux kernel code: arm64: dts: qcom: talos/qcs615-ride: Fix inconsistent USB PHY node naming | Problem Details:
The USB PHY nodes has inconsistent labels as 'usb_1_hsphy'
and 'usb_hsphy_2' across talos.dtsi and qcs615-ride.dts.
This patch renames them to follow a consistent naming
scheme.
No functional changes, only label renaming.
Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@oss.qualcomm.com>
Signed-off-by... | ```diff
diff --git a/arch/arm64/boot/dts/qcom/qcs615-ride.dts b/arch/arm64/boot/dts/qcom/qcs615-ride.dts
index be22c4cf868b..7e05f873194a 100644
--- a/arch/arm64/boot/dts/qcom/qcs615-ride.dts
+++ b/arch/arm64/boot/dts/qcom/qcs615-ride.dts
@@ -642,7 +642,7 @@
status = "okay";
};
-&usb_hsphy_2 {
+&usb_2_hsphy {
vd... |
1cc96e0e20489159398009d2f453e59c10e413c9 | Analyze and fix the following issue in the Linux kernel code: libbpf: Fix BTF handling in bpf_program__clone() | Problem Details:
Align bpf_program__clone() with bpf_object_load_prog() by gating
BTF func/line info on FEAT_BTF_FUNC kernel support, and resolve
caller-provided prog_btf_fd before checking obj->btf so that callers
with their own BTF can use clone() even when the object has no BTF
loaded.
While at it, treat func_info ... | ```diff
diff --git a/tools/lib/bpf/libbpf.c b/tools/lib/bpf/libbpf.c
index 9ea41f40dc82..589085466903 100644
--- a/tools/lib/bpf/libbpf.c
+++ b/tools/lib/bpf/libbpf.c
@@ -9852,7 +9852,9 @@ int bpf_program__clone(struct bpf_program *prog, const struct bpf_prog_load_opts
{
LIBBPF_OPTS(bpf_prog_load_opts, attr);
stru... |
eb27e1c885ea75c1661188a548d100c8bce5970a | Analyze and fix the following issue in the Linux kernel code: perf test: Skip perf data type profiling tests for s390 | Problem Details:
Test case 'perf data type profiling tests' fails on s390 with this
error:
# ./perf mem record -- ./perf test -w code_with_type
failed: no PMU supports the memory events
# echo $?
255
#
because s390 does not support memory events at all. According to the
man page, perf annotate --code-with-t... | ```diff
diff --git a/tools/perf/tests/shell/data_type_profiling.sh b/tools/perf/tests/shell/data_type_profiling.sh
index fb47b7213b33..eca694600a04 100755
--- a/tools/perf/tests/shell/data_type_profiling.sh
+++ b/tools/perf/tests/shell/data_type_profiling.sh
@@ -15,6 +15,10 @@ err=0
perfdata=$(mktemp /tmp/__perf_test.... |
77cb9b443b7fff2a93d78cd2e309db030046772f | Analyze and fix the following issue in the Linux kernel code: perf test: Fix ratio_to_prev event parsing test | Problem Details:
test__ratio_to_prev() assumed the first event in a group is the leader,
which is not the case when the event is expanded into two event groups
on hybrid PMU's with auto counter reload support. Instead, iterate over the
event group generated for each core PMU. Also update "wrong leader" test to
check th... | ```diff
diff --git a/tools/perf/tests/parse-events.c b/tools/perf/tests/parse-events.c
index 1d3cc224fbc2..05c3e899b425 100644
--- a/tools/perf/tests/parse-events.c
+++ b/tools/perf/tests/parse-events.c
@@ -1796,31 +1796,38 @@ static bool test__acr_valid(void)
static int test__ratio_to_prev(struct evlist *evlist)
{... |
9a82bfde4775b7a87cd1a7e791f46f83ae442848 | Analyze and fix the following issue in the Linux kernel code: perf tools: Fix module symbol resolution for non-zero .text sh_addr | Problem Details:
When perf resolves symbols from kernel module ELF files (ET_REL),
it converts symbol addresses to file offsets so that sample IPs
can be matched to the correct symbol. The conversion adjusts each
symbol's st_value:
sym->st_value -= shdr->sh_addr - shdr->sh_offset;
For vmlinux (ET_EXEC), st_value is... | ```diff
diff --git a/tools/perf/util/symbol-elf.c b/tools/perf/util/symbol-elf.c
index 3cd4e5a03cc5..7afa8a117139 100644
--- a/tools/perf/util/symbol-elf.c
+++ b/tools/perf/util/symbol-elf.c
@@ -1354,8 +1354,12 @@ static int dso__process_kernel_symbol(struct dso *dso, struct map *map,
char dso_name[PATH_MAX];
/* ... |
b5708a308a5602d4a3caf0720dce452082d443ec | Analyze and fix the following issue in the Linux kernel code: perf stat: Fix crash on arm64 | Problem Details:
Perf stat is crashing on arm64 hosts with the following issue:
# make -C tools/perf DEBUG=1
# perf stat sleep 1
perf: util/evsel.c:2034: get_group_fd: Assertion `!(!leader->core.fd)' failed.
[1] 1220794 IOT instruction (core dumped) ./perf stat
The sorting function introduced by commit a7... | ```diff
diff --git a/tools/perf/builtin-stat.c b/tools/perf/builtin-stat.c
index a24326c44297..35934e8bbd51 100644
--- a/tools/perf/builtin-stat.c
+++ b/tools/perf/builtin-stat.c
@@ -1932,25 +1932,33 @@ static int default_evlist_evsel_cmp(void *priv __maybe_unused,
const struct evsel *lhs = container_of(lhs_core, str... |
15bfba1ad77fad8e45a37aae54b3c813b33fe27c | Analyze and fix the following issue in the Linux kernel code: arm64: mm: Handle invalid large leaf mappings correctly | Problem Details:
It has been possible for a long time to mark ptes in the linear map as
invalid. This is done for secretmem, kfence, realm dma memory un/share,
and others, by simply clearing the PTE_VALID bit. But until commit
a166563e7ec37 ("arm64: mm: support large block mapping when
rodata=full") large leaf mappings... | ```diff
diff --git a/arch/arm64/include/asm/pgtable-prot.h b/arch/arm64/include/asm/pgtable-prot.h
index f560e6420267..212ce1b02e15 100644
--- a/arch/arm64/include/asm/pgtable-prot.h
+++ b/arch/arm64/include/asm/pgtable-prot.h
@@ -25,6 +25,8 @@
*/
#define PTE_PRESENT_INVALID (PTE_NG) /* only when !PTE_VALID */
+... |
f12b435de2f2bb09ce406467020181ada528844c | Analyze and fix the following issue in the Linux kernel code: arm64: mm: Fix rodata=full block mapping support for realm guests | Problem Details:
Commit a166563e7ec37 ("arm64: mm: support large block mapping when
rodata=full") enabled the linear map to be mapped by block/cont while
still allowing granular permission changes on BBML2_NOABORT systems by
lazily splitting the live mappings. This mechanism was intended to be
usable by realm guests si... | ```diff
diff --git a/arch/arm64/include/asm/mmu.h b/arch/arm64/include/asm/mmu.h
index 137a173df1ff..472610433aae 100644
--- a/arch/arm64/include/asm/mmu.h
+++ b/arch/arm64/include/asm/mmu.h
@@ -112,5 +112,7 @@ void kpti_install_ng_mappings(void);
static inline void kpti_install_ng_mappings(void) {}
#endif
+extern ... |
07712db80857d5d09ae08f3df85a708ecfc3b61f | Analyze and fix the following issue in the Linux kernel code: eventpoll: defer struct eventpoll free to RCU grace period | Problem Details:
In certain situations, ep_free() in eventpoll.c will kfree the epi->ep
eventpoll struct while it still being used by another concurrent thread.
Defer the kfree() to an RCU callback to prevent UAF.
Fixes: f2e467a48287 ("eventpoll: Fix semi-unbounded recursion")
Signed-off-by: Nicholas Carlini <nicholas... | ```diff
diff --git a/fs/eventpoll.c b/fs/eventpoll.c
index 5714e900567c..4b43bf41296d 100644
--- a/fs/eventpoll.c
+++ b/fs/eventpoll.c
@@ -226,6 +226,9 @@ struct eventpoll {
*/
refcount_t refcount;
+ /* used to defer freeing past ep_get_upwards_depth_proc() RCU walk */
+ struct rcu_head rcu;
+
#ifdef CONFIG_NET... |
c636ae346d196b71e972188f91b3260ae522ade6 | Analyze and fix the following issue in the Linux kernel code: accel/ivpu: Trigger recovery on TDR with OS scheduling | Problem Details:
With OS scheduling mode the driver cannot determine which context
caused the timeout, so context abort cannot be used. Instead of
queuing context_abort_work, directly trigger full device recovery
when a job timeout (TDR) occurs in OS scheduling mode.
Fixes: ade00a6c903f ("accel/ivpu: Perform engine re... | ```diff
diff --git a/drivers/accel/ivpu/ivpu_pm.c b/drivers/accel/ivpu/ivpu_pm.c
index 83da9b297f37..c1ce8329790e 100644
--- a/drivers/accel/ivpu/ivpu_pm.c
+++ b/drivers/accel/ivpu/ivpu_pm.c
@@ -221,6 +221,12 @@ static void ivpu_job_timeout_work(struct work_struct *work)
abort:
atomic_set(&vdev->job_timeout_counte... |
0c4a59df370bea245695c00aaae6ae75747139bd | Analyze and fix the following issue in the Linux kernel code: sched_ext: Fix is_bpf_migration_disabled() false negative on non-PREEMPT_RCU | Problem Details:
Since commit 8e4f0b1ebcf2 ("bpf: use rcu_read_lock_dont_migrate() for
trampoline.c"), the BPF prolog (__bpf_prog_enter) calls migrate_disable()
only when CONFIG_PREEMPT_RCU is enabled, via rcu_read_lock_dont_migrate().
Without CONFIG_PREEMPT_RCU, the prolog never touches migration_disabled,
so migratio... | ```diff
diff --git a/kernel/sched/ext_idle.c b/kernel/sched/ext_idle.c
index 0ae93cd64004..44c3a50c542c 100644
--- a/kernel/sched/ext_idle.c
+++ b/kernel/sched/ext_idle.c
@@ -860,25 +860,32 @@ static bool check_builtin_idle_enabled(struct scx_sched *sch)
* code.
*
* We can't simply check whether @p->migration_dis... |
b905ee77d5f557a83a485b4146210f54f13365fc | Analyze and fix the following issue in the Linux kernel code: sched_ext: Fix missing warning in scx_set_task_state() default case | Problem Details:
In scx_set_task_state(), the default case was setting the
warn flag, but then returning immediately. This is problematic
because the only purpose of the warn flag is to trigger
WARN_ONCE, but the early return prevented it from ever firing,
leaving invalid task states undetected and untraced.
To fix th... | ```diff
diff --git a/kernel/sched/ext.c b/kernel/sched/ext.c
index 9628c64e5592..0253887e63c0 100644
--- a/kernel/sched/ext.c
+++ b/kernel/sched/ext.c
@@ -3538,7 +3538,8 @@ static void scx_set_task_state(struct task_struct *p, u32 state)
warn = prev_state != SCX_TASK_READY;
break;
default:
- warn = true;
+ WA... |
da6fcc6dbddbef80e603d2f0c1554a9f2ac03742 | Analyze and fix the following issue in the Linux kernel code: fuse: fuse_dev_ioctl_clone() should wait for device file to be initialized | Problem Details:
Use fuse_get_dev() not __fuse_get_dev() on the old fd, since in the case of
synchronous INIT the caller will want to wait for the device file to be
available for cloning, just like I/O wants to wait instead of returning an
error.
Fixes: dfb84c330794 ("fuse: allow synchronous FUSE_INIT")
Cc: stable@vge... | ```diff
diff --git a/fs/fuse/dev.c b/fs/fuse/dev.c
index b212565a78cf..8d5bab05adf4 100644
--- a/fs/fuse/dev.c
+++ b/fs/fuse/dev.c
@@ -2597,9 +2597,8 @@ static int fuse_device_clone(struct fuse_conn *fc, struct file *new)
static long fuse_dev_ioctl_clone(struct file *file, __u32 __user *argp)
{
- int res;
int old... |
b55dfb173ce808ecc8c598f2c378a9b04c5ce241 | Analyze and fix the following issue in the Linux kernel code: net: stmmac: move check for hardware checksum supported | Problem Details:
Add a check in .ndo_features_check() to indicate whether hardware
checksum can be performed on the skbuff. Where hardware checksum is
not supported - either because the channel does not support Tx COE
or the skb isn't suitable (stmmac uses a tighter test than
can_checksum_protocol()) we also need to di... | ```diff
diff --git a/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c b/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c
index ce6c3cc71bf0..e88107a0baf2 100644
--- a/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c
+++ b/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c
@@ -4757,22 +4757,6 @@ static netdev_tx_t stm... |
e32820264c2949a3e75bc5083e49c885e3bbaf62 | Analyze and fix the following issue in the Linux kernel code: net: stmmac: fix TSO support when some channels have TBS available | Problem Details:
According to the STM32MP25xx manual, which is dwmac v5.3, TBS (time
based scheduling) is not permitted for channels which have hardware
TSO enabled. Intel's commit 5e6038b88a57 ("net: stmmac: fix TSO and
TBS feature enabling during driver open") concurs with this, but it
is incomplete.
This commit avo... | ```diff
diff --git a/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c b/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c
index f76ed64fb9e6..729072622fcb 100644
--- a/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c
+++ b/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c
@@ -3619,6 +3619,17 @@ static void stmmac_saf... |
afe840ddf15c9960e4c4522c95dea459f4fa055b | Analyze and fix the following issue in the Linux kernel code: net: stmmac: fix .ndo_fix_features() | Problem Details:
netdev features documentation requires that .ndo_fix_features() is
stateless: it shouldn't modify driver state. Yet, stmmac_fix_features()
does exactly that, changing whether GSO frames are processed by the
driver.
Move this code to stmmac_set_features() instead, which is the correct
place for it. We ... | ```diff
diff --git a/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c b/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c
index 52864561f14e..f76ed64fb9e6 100644
--- a/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c
+++ b/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c
@@ -6073,14 +6073,6 @@ static netdev_features... |
989a9c20f63e378e0bb8b05bf82560d7da945de4 | Analyze and fix the following issue in the Linux kernel code: net: stmmac: fix channel TSO enable on resume | Problem Details:
Rather than configuring the channels depending on whether GSO/TSO is
currently enabled by the user, always enable if the hardware has TSO
support and the platform wants TSO to be enabled.
This avoids the channel TSO enable bit being disabled after a resume
when the user has disabled TSO features. This... | ```diff
diff --git a/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c b/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c
index 35cf4491ec16..52864561f14e 100644
--- a/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c
+++ b/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c
@@ -3705,7 +3705,7 @@ static int stmmac_hw_se... |
87ac077d6ea8613b7c1debdf3b5e92c78618fd23 | Analyze and fix the following issue in the Linux kernel code: ntfs3: fix memory leak in indx_create_allocate() | Problem Details:
When indx_create_allocate() fails after
attr_allocate_clusters() succeeds, run_deallocate()
frees the disk clusters but never frees the memory
allocated by run_add_entry() via kvmalloc() for the
runs_tree structure.
Fix this by adding run_close() at the out: label to
free the run.runs memory on all er... | ```diff
diff --git a/fs/ntfs3/index.c b/fs/ntfs3/index.c
index 8b107b6714ce..5344b29b0577 100644
--- a/fs/ntfs3/index.c
+++ b/fs/ntfs3/index.c
@@ -1482,6 +1482,7 @@ out1:
run_deallocate(sbi, &run, false);
out:
+ run_close(&run);
return err;
}
``` |
445588a3b18bb0702d746cb61f7a443639027651 | Analyze and fix the following issue in the Linux kernel code: PCI: dwc: Fix type mismatch for kstrtou32_from_user() return value | Problem Details:
kstrtou32_from_user() returns int, but the return value was stored in
a u32 variable 'val', risking sign loss. Use a dedicated int variable
to correctly handle the return code.
Fixes: 4fbfa17f9a07 ("PCI: dwc: Add debugfs based Silicon Debug support for DWC")
Signed-off-by: Hans Zhang <18255117159@163.... | ```diff
diff --git a/drivers/pci/controller/dwc/pcie-designware-debugfs.c b/drivers/pci/controller/dwc/pcie-designware-debugfs.c
index 2efddb21b2b2..d0884253be97 100644
--- a/drivers/pci/controller/dwc/pcie-designware-debugfs.c
+++ b/drivers/pci/controller/dwc/pcie-designware-debugfs.c
@@ -258,10 +258,11 @@ static ssiz... |
179ee84a89114b854ac2dd1d293633a7f6c8dac1 | Analyze and fix the following issue in the Linux kernel code: bpf: Fix incorrect pruning due to atomic fetch precision tracking | Problem Details:
When backtrack_insn encounters a BPF_STX instruction with BPF_ATOMIC
and BPF_FETCH, the src register (or r0 for BPF_CMPXCHG) also acts as
a destination, thus receiving the old value from the memory location.
The current backtracking logic does not account for this. It treats
atomic fetch operations th... | ```diff
diff --git a/kernel/bpf/verifier.c b/kernel/bpf/verifier.c
index df04dccfc540..e3814152b52f 100644
--- a/kernel/bpf/verifier.c
+++ b/kernel/bpf/verifier.c
@@ -617,6 +617,13 @@ static bool is_atomic_load_insn(const struct bpf_insn *insn)
insn->imm == BPF_LOAD_ACQ;
}
+static bool is_atomic_fetch_insn(... |
eb7024bfcc5f68ed11ed9dd4891a3073c15f04a8 | Analyze and fix the following issue in the Linux kernel code: bpf: Reject sleepable kprobe_multi programs at attach time | Problem Details:
kprobe.multi programs run in atomic/RCU context and cannot sleep.
However, bpf_kprobe_multi_link_attach() did not validate whether the
program being attached had the sleepable flag set, allowing sleepable
helpers such as bpf_copy_from_user() to be invoked from a non-sleepable
context.
This causes a "s... | ```diff
diff --git a/kernel/trace/bpf_trace.c b/kernel/trace/bpf_trace.c
index 0b040a417442..af7079aa0f36 100644
--- a/kernel/trace/bpf_trace.c
+++ b/kernel/trace/bpf_trace.c
@@ -2752,6 +2752,10 @@ int bpf_kprobe_multi_link_attach(const union bpf_attr *attr, struct bpf_prog *pr
if (!is_kprobe_multi(prog))
return -... |
b0db1accbc7395657c2b79db59fa9fae0d6656f3 | Analyze and fix the following issue in the Linux kernel code: bpf: reject direct access to nullable PTR_TO_BUF pointers | Problem Details:
check_mem_access() matches PTR_TO_BUF via base_type() which strips
PTR_MAYBE_NULL, allowing direct dereference without a null check.
Map iterator ctx->key and ctx->value are PTR_TO_BUF | PTR_MAYBE_NULL.
On stop callbacks these are NULL, causing a kernel NULL dereference.
Add a type_may_be_null() guar... | ```diff
diff --git a/kernel/bpf/verifier.c b/kernel/bpf/verifier.c
index a3388cb8fcbd..df04dccfc540 100644
--- a/kernel/bpf/verifier.c
+++ b/kernel/bpf/verifier.c
@@ -7905,7 +7905,8 @@ static int check_mem_access(struct bpf_verifier_env *env, int insn_idx, u32 regn
} else if (reg->type == CONST_PTR_TO_MAP) {
err =... |
c03791085adcd61fa9b766ab303c7d0941d7378d | Analyze and fix the following issue in the Linux kernel code: cpufreq: Pass the policy to cpufreq_driver->adjust_perf() | Problem Details:
cpufreq_cpu_get() can sleep on PREEMPT_RT in presence of concurrent
writer(s), however amd-pstate depends on fetching the cpudata via the
policy's driver data which necessitates grabbing the reference.
Since schedutil governor can call "cpufreq_driver->update_perf()"
during sched_tick/enqueue/dequeue ... | ```diff
diff --git a/drivers/cpufreq/amd-pstate.c b/drivers/cpufreq/amd-pstate.c
index 2ea4d27fe020..c825fab0bf5c 100644
--- a/drivers/cpufreq/amd-pstate.c
+++ b/drivers/cpufreq/amd-pstate.c
@@ -788,13 +788,12 @@ static unsigned int amd_pstate_fast_switch(struct cpufreq_policy *policy,
return policy->cur;
}
-stati... |
da77f3a9aa55575cdc74aa5736f31ce6b4091cf7 | Analyze and fix the following issue in the Linux kernel code: selftests/bpf: Add test to verify the fix of kprobe_write_ctx abuse | Problem Details:
Add a test to verify the issue: kprobe_write_ctx can be abused to modify
struct pt_regs of kernel functions via kprobe_write_ctx=true freplace
progs.
Without the fix, the issue is verified:
kprobe_write_ctx=true freplace prog is allowed to attach to
kprobe_write_ctx=false kprobe prog. Then, the first... | ```diff
diff --git a/tools/testing/selftests/bpf/prog_tests/attach_probe.c b/tools/testing/selftests/bpf/prog_tests/attach_probe.c
index 9e77e5da7097..38852df70c0d 100644
--- a/tools/testing/selftests/bpf/prog_tests/attach_probe.c
+++ b/tools/testing/selftests/bpf/prog_tests/attach_probe.c
@@ -220,11 +220,73 @@ static ... |
611fe4b79af72d00d80f2223354284447daafae9 | Analyze and fix the following issue in the Linux kernel code: bpf: Fix abuse of kprobe_write_ctx via freplace | Problem Details:
uprobe programs are allowed to modify struct pt_regs.
Since the actual program type of uprobe is KPROBE, it can be abused to
modify struct pt_regs via kprobe+freplace when the kprobe attaches to
kernel functions.
For example,
SEC("?kprobe")
int kprobe(struct pt_regs *regs)
{
return 0;
}
SEC("?frep... | ```diff
diff --git a/kernel/bpf/syscall.c b/kernel/bpf/syscall.c
index 51ade3cde8bb..e1505c9cd09e 100644
--- a/kernel/bpf/syscall.c
+++ b/kernel/bpf/syscall.c
@@ -3733,6 +3733,23 @@ static int bpf_tracing_prog_attach(struct bpf_prog *prog,
tr = prog->aux->dst_trampoline;
tgt_prog = prog->aux->dst_prog;
}
+ /*
+... |
a362ae6e7e85bca4c870c37085d7793c4beec360 | Analyze and fix the following issue in the Linux kernel code: Documentation: amd-pstate: fix dead links in the reference section | Problem Details:
The links for AMD64 Architecture Programmer's Manual and PPR for AMD
Family 19h Model 51h, Revision A1 Processors redirect to a generic page.
Update the links to the working ones.
Signed-off-by: Ninad Naik <ninadnaik07@gmail.com>
Link: https://lore.kernel.org/r/20260330190855.1115304-1-ninadnaik07@gma... | ```diff
diff --git a/Documentation/admin-guide/pm/amd-pstate.rst b/Documentation/admin-guide/pm/amd-pstate.rst
index d6c2f233ab23..b43675b7f739 100644
--- a/Documentation/admin-guide/pm/amd-pstate.rst
+++ b/Documentation/admin-guide/pm/amd-pstate.rst
@@ -826,13 +826,13 @@ Reference
===========
.. [1] AMD64 Architec... |
a5bc4c44aeec2920931e17db7f93965fcd69ee2f | Analyze and fix the following issue in the Linux kernel code: Documentation/amd-pstate: List amd_pstate_prefcore_ranking sysfs file | Problem Details:
Add the missing amd_pstate_prefcore_ranking filenames in the sysfs
listing example leading to the descriptions of these
parameters. Clarify when will the file be visible.
Fixes: 15a2b764ea7c ("amd-pstate: Add missing documentation for `amd_pstate_prefcore_ranking`")
Reviewed-by: Mario Limonciello (AMD... | ```diff
diff --git a/Documentation/admin-guide/pm/amd-pstate.rst b/Documentation/admin-guide/pm/amd-pstate.rst
index b8c846cbf301..b31a478c28ba 100644
--- a/Documentation/admin-guide/pm/amd-pstate.rst
+++ b/Documentation/admin-guide/pm/amd-pstate.rst
@@ -242,6 +242,7 @@ control its functionality at the system level. Th... |
7e1cf24efba4b59a275e87372267dadcb7fd1850 | Analyze and fix the following issue in the Linux kernel code: Documentation/amd-pstate: List amd_pstate_hw_prefcore sysfs file | Problem Details:
Add the missing amd_pstate_hw_prefcore filenames in the sysfs listing
example leading to the descriptions of these parameters. Clarify when
will the file be visible.
Fixes: b96b82d1af7f ("cpufreq: amd-pstate: Add documentation for `amd_pstate_hw_prefcore`")
Reviewed-by: Mario Limonciello (AMD) <superm... | ```diff
diff --git a/Documentation/admin-guide/pm/amd-pstate.rst b/Documentation/admin-guide/pm/amd-pstate.rst
index e1771f2225d5..b8c846cbf301 100644
--- a/Documentation/admin-guide/pm/amd-pstate.rst
+++ b/Documentation/admin-guide/pm/amd-pstate.rst
@@ -239,6 +239,7 @@ control its functionality at the system level. Th... |
fcc25a291fbdca2c06c2c6602532050873f0c9de | Analyze and fix the following issue in the Linux kernel code: amd-pstate: Update cppc_req_cached in fast_switch case | Problem Details:
The function msr_update_perf() does not cache the new value that is
written to MSR_AMD_CPPC_REQ into the variable cpudata->cppc_req_cached
when the update is happening from the fast path.
Fix that by caching the value everytime the MSR_AMD_CPPC_REQ gets
updated.
This issue was discovered by Claude Op... | ```diff
diff --git a/drivers/cpufreq/amd-pstate.c b/drivers/cpufreq/amd-pstate.c
index d57969c72c9d..24cdeffbcd40 100644
--- a/drivers/cpufreq/amd-pstate.c
+++ b/drivers/cpufreq/amd-pstate.c
@@ -261,7 +261,6 @@ static int msr_update_perf(struct cpufreq_policy *policy, u8 min_perf,
if (fast_switch) {
wrmsrq(MSR_A... |
beda3b363546a423e4e29a7395e04c0ac4ff677e | Analyze and fix the following issue in the Linux kernel code: amd-pstate: Fix memory leak in amd_pstate_epp_cpu_init() | Problem Details:
On failure to set the epp, the function amd_pstate_epp_cpu_init()
returns with an error code without freeing the cpudata object that was
allocated at the beginning of the function.
Ensure that the cpudata object is freed before returning from the
function.
This memory leak was discovered by Claude Op... | ```diff
diff --git a/drivers/cpufreq/amd-pstate.c b/drivers/cpufreq/amd-pstate.c
index 5aa9fcd80cf5..d57969c72c9d 100644
--- a/drivers/cpufreq/amd-pstate.c
+++ b/drivers/cpufreq/amd-pstate.c
@@ -1533,7 +1533,7 @@ static int amd_pstate_epp_cpu_init(struct cpufreq_policy *policy)
ret = amd_pstate_set_epp(policy, cpud... |
01968164d94762db2f703647c5acfa28613844f1 | Analyze and fix the following issue in the Linux kernel code: f2fs: fix to preserve previous reserve_{blocks,node} value when remount | Problem Details:
The following steps will change previous value of reserve_{blocks,node},
this dones not match the original intention.
1.mount -t f2fs -o reserve_root=8192 imgfile test_mount/
F2FS-fs (loop56): Mounted with checkpoint version = 1b69f8c7
mount info:
/dev/block/loop56 on /data/test_mount type f2fs (xxx,r... | ```diff
diff --git a/fs/f2fs/super.c b/fs/f2fs/super.c
index e20e95696af4..5b552f08fe7b 100644
--- a/fs/f2fs/super.c
+++ b/fs/f2fs/super.c
@@ -1515,6 +1515,7 @@ static int f2fs_check_opt_consistency(struct fs_context *fc,
F2FS_OPTION(sbi).root_reserved_blocks);
ctx_clear_opt(ctx, F2FS_MOUNT_RESERVE_ROOT);
ctx... |
02d91398a602c394d72cd61a67c84e2730c5f79b | Analyze and fix the following issue in the Linux kernel code: f2fs: fix to freeze GC and discard threads quickly | Problem Details:
Suspend can fail if kernel threads do not freeze for a while.
f2fs_gc and f2fs_discard threads can perform long-running operations
that prevent them from reaching a freeze point in a timely manner.
This patch adds explicit freezing checks in the following locations:
1. f2fs_gc: Added a check at the 'r... | ```diff
diff --git a/fs/f2fs/gc.c b/fs/f2fs/gc.c
index 4bfc4452f299..e60c1106f70b 100644
--- a/fs/f2fs/gc.c
+++ b/fs/f2fs/gc.c
@@ -1895,12 +1895,18 @@ freed:
sbi->next_victim_seg[gc_type] =
(cur_segno + 1 < sec_end_segno) ?
cur_segno + 1 : NULL_SEGNO;
+
+ if (unlikely(freezing(current))) {
+ folio... |
7b9161a605e91d0987e2596a245dc1f21621b23f | Analyze and fix the following issue in the Linux kernel code: f2fs: fix to avoid uninit-value access in f2fs_sanity_check_node_footer | Problem Details:
syzbot reported a f2fs bug as below:
BUG: KMSAN: uninit-value in f2fs_sanity_check_node_footer+0x374/0xa20 fs/f2fs/node.c:1520
f2fs_sanity_check_node_footer+0x374/0xa20 fs/f2fs/node.c:1520
f2fs_finish_read_bio+0xe1e/0x1d60 fs/f2fs/data.c:177
f2fs_read_end_io+0x6ab/0x2220 fs/f2fs/data.c:-1
bio_endi... | ```diff
diff --git a/fs/f2fs/data.c b/fs/f2fs/data.c
index 0e108c701aa3..a210a7a627c6 100644
--- a/fs/f2fs/data.c
+++ b/fs/f2fs/data.c
@@ -173,7 +173,8 @@ static void f2fs_finish_read_bio(struct bio *bio, bool in_task)
while (nr_pages--)
dec_page_count(F2FS_F_SB(folio), __read_io_type(folio));
- if (F2FS_F_SB... |
6a5e3de9c2bb0b691d16789a5d19e9276a09b308 | Analyze and fix the following issue in the Linux kernel code: f2fs: fix false alarm of lockdep on cp_global_sem lock | Problem Details:
lockdep reported a potential deadlock:
a) TCMU device removal context:
- call del_gendisk() to get q->q_usage_counter
- call start_flush_work() to get work_completion of wb->dwork
b) f2fs writeback context:
- in wb_workfn(), which holds work_completion of wb->dwork
- call f2fs_balance_fs() to get ... | ```diff
diff --git a/fs/f2fs/f2fs.h b/fs/f2fs/f2fs.h
index 39b97621456a..56c4af4b1737 100644
--- a/fs/f2fs/f2fs.h
+++ b/fs/f2fs/f2fs.h
@@ -2042,6 +2042,9 @@ struct f2fs_sb_info {
spinlock_t iostat_lat_lock;
struct iostat_lat_info *iostat_io_lat;
#endif
+#ifdef CONFIG_DEBUG_LOCK_ALLOC
+ struct lock_class_key cp_glo... |
238e14eb7226f883b72caccd2d37bf5707df066b | Analyze and fix the following issue in the Linux kernel code: f2fs: fix data loss caused by incorrect use of nat_entry flag | Problem Details:
Data loss can occur when fsync is performed on a newly created file
(before any checkpoint has been written) concurrently with a checkpoint
operation. The scenario is as follows:
create & write & fsync 'file A' write checkpoint
- f2fs_do_sync_file // inline inode
- f2fs_write_inode //... | ```diff
diff --git a/fs/f2fs/node.c b/fs/f2fs/node.c
index a9cd2803e681..662a61306ec6 100644
--- a/fs/f2fs/node.c
+++ b/fs/f2fs/node.c
@@ -427,7 +427,9 @@ bool f2fs_need_inode_block_update(struct f2fs_sb_info *sbi, nid_t ino)
struct f2fs_nm_info *nm_i = NM_I(sbi);
struct nat_entry *e;
bool need_update = true;
+ s... |
dccd324fa9bd1a2907a63fa4cc2651f687b2b5d0 | Analyze and fix the following issue in the Linux kernel code: f2fs: fix to skip empty sections in f2fs_get_victim | Problem Details:
In age-based victim selection (ATGC, AT_SSR, or GC_CB), f2fs_get_victim
can encounter sections with zero valid blocks. This situation often
arises when checkpoint is disabled or due to race conditions between
SIT updates and dirty list management.
In such cases, f2fs_get_section_mtime() returns INVALI... | ```diff
diff --git a/fs/f2fs/gc.c b/fs/f2fs/gc.c
index 80b8500fa987..4bfc4452f299 100644
--- a/fs/f2fs/gc.c
+++ b/fs/f2fs/gc.c
@@ -910,6 +910,9 @@ retry:
if (!f2fs_segment_has_free_slot(sbi, segno))
goto next;
}
+
+ if (!get_valid_blocks(sbi, segno, true))
+ goto next;
}
if (gc_type == BG_GC... |
fe9b8b30b97102859a9102be7bd2a09803bd90bd | Analyze and fix the following issue in the Linux kernel code: f2fs: fix inline data not being written to disk in writeback path | Problem Details:
When f2fs_fiemap() is called with `fileinfo->fi_flags` containing the
FIEMAP_FLAG_SYNC flag, it attempts to write data to disk before
retrieving file mappings via filemap_write_and_wait(). However, there is
an issue where the file does not get mapped as expected. The following
scenario can occur:
root... | ```diff
diff --git a/fs/f2fs/f2fs.h b/fs/f2fs/f2fs.h
index df4cdf804376..39b97621456a 100644
--- a/fs/f2fs/f2fs.h
+++ b/fs/f2fs/f2fs.h
@@ -3946,6 +3946,8 @@ int f2fs_sanity_check_node_footer(struct f2fs_sb_info *sbi,
enum node_type ntype, bool in_irq);
struct folio *f2fs_get_inode_folio(struct f2fs_sb_info *sbi,... |
c3e238bd1f56993f205ef83889d406dfeaf717a8 | Analyze and fix the following issue in the Linux kernel code: f2fs: fix fsck inconsistency caused by FGGC of node block | Problem Details:
During FGGC node block migration, fsck may incorrectly treat the
migrated node block as fsync-written data.
The reproduction scenario:
root@vm:/mnt/f2fs# seq 1 2048 | xargs -n 1 ./test_sync // write inline inode and sync
root@vm:/mnt/f2fs# rm -f 1
root@vm:/mnt/f2fs# sync
root@vm:/mnt/f2fs# f2fs_io gc_... | ```diff
diff --git a/fs/f2fs/node.c b/fs/f2fs/node.c
index 630fd3b43a08..c7499cb52745 100644
--- a/fs/f2fs/node.c
+++ b/fs/f2fs/node.c
@@ -1727,9 +1727,10 @@ continue_unlock:
return last_folio;
}
-static bool __write_node_folio(struct folio *folio, bool atomic, bool *submitted,
- struct writeback_control *wbc, ... |
019f9dda7f66e55eb94cd32e1d3fff5835f73fbc | Analyze and fix the following issue in the Linux kernel code: f2fs: fix fsck inconsistency caused by incorrect nat_entry flag usage | Problem Details:
f2fs_need_dentry_mark() reads nat_entry flags without mutual exclusion
with the checkpoint path, which can result in an incorrect inode block
marking state. The scenario is as follows:
create & write & fsync 'file A' write checkpoint
- f2fs_do_sync_file // inline inode
- f2fs_write_in... | ```diff
diff --git a/fs/f2fs/node.c b/fs/f2fs/node.c
index e027c388207f..630fd3b43a08 100644
--- a/fs/f2fs/node.c
+++ b/fs/f2fs/node.c
@@ -1799,13 +1799,12 @@ static bool __write_node_folio(struct folio *folio, bool atomic, bool *submitted
goto redirty_out;
}
- if (atomic) {
- if (!test_opt(sbi, NOBARRIER))
- ... |
6af249c996f7d73a3435f9e577956fa259347d18 | Analyze and fix the following issue in the Linux kernel code: f2fs: fix to do sanity check on dcc->discard_cmd_cnt conditionally | Problem Details:
Syzbot reported a f2fs bug as below:
------------[ cut here ]------------
kernel BUG at fs/f2fs/segment.c:1900!
Oops: invalid opcode: 0000 [#1] SMP KASAN PTI
CPU: 1 UID: 0 PID: 6527 Comm: syz.5.110 Not tainted syzkaller #0 PREEMPT_{RT,(full)}
Hardware name: Google Google Compute Engine/Google Compute ... | ```diff
diff --git a/fs/f2fs/f2fs.h b/fs/f2fs/f2fs.h
index 04891aaf476f..df4cdf804376 100644
--- a/fs/f2fs/f2fs.h
+++ b/fs/f2fs/f2fs.h
@@ -3988,7 +3988,7 @@ bool f2fs_is_checkpointed_data(struct f2fs_sb_info *sbi, block_t blkaddr);
int f2fs_start_discard_thread(struct f2fs_sb_info *sbi);
void f2fs_drop_discard_cmd(st... |
1ec8bea903f439acca927144570e1e419d2f9c9a | Analyze and fix the following issue in the Linux kernel code: KVM: riscv: selftests: Implement kvm_arch_has_default_irqchip | Problem Details:
kvm_arch_has_default_irqchip is required for irqfd_test and returns
true if an in-kernel interrupt controller is supported.
Fixes: a133052666bed ("KVM: selftests: Fix irqfd_test for non-x86 architectures")
Signed-off-by: Mayuresh Chitale <mayuresh.chitale@oss.qualcomm.com>
Link: https://lore.kernel.or... | ```diff
diff --git a/tools/testing/selftests/kvm/lib/riscv/processor.c b/tools/testing/selftests/kvm/lib/riscv/processor.c
index 51dd455ff52c..067c6b2c15b0 100644
--- a/tools/testing/selftests/kvm/lib/riscv/processor.c
+++ b/tools/testing/selftests/kvm/lib/riscv/processor.c
@@ -566,3 +566,8 @@ unsigned long riscv64_get... |
ec7067e661193403a7a00980bda8612db5954142 | Analyze and fix the following issue in the Linux kernel code: eth: fbnic: Increase FBNIC_QUEUE_SIZE_MIN to 64 | Problem Details:
On systems with 64K pages, RX queues will be wedged if users set the
descriptor count to the current minimum (16). Fbnic fragments large
pages into 4K chunks, and scales down the ring size accordingly. With
64K pages and 16 descriptors, the ring size mask is 0 and will never
be filled.
32 descriptors ... | ```diff
diff --git a/drivers/net/ethernet/meta/fbnic/fbnic_txrx.h b/drivers/net/ethernet/meta/fbnic/fbnic_txrx.h
index 980965274079..e03c9d2c38dc 100644
--- a/drivers/net/ethernet/meta/fbnic/fbnic_txrx.h
+++ b/drivers/net/ethernet/meta/fbnic/fbnic_txrx.h
@@ -38,7 +38,7 @@ struct fbnic_net;
#define FBNIC_MAX_XDPQS 12... |
8f542c7c4aa969331b9be2bad1a1c29883555ab8 | Analyze and fix the following issue in the Linux kernel code: ASoC: qcom: qdapm-lpass-dai: correct the error message | Problem Details:
Fix the error message to reflect the actual graph stop error
instead of graph close error.
Signed-off-by: Srinivas Kandagatla <srinivas.kandagatla@oss.qualcomm.com>
Link: https://patch.msgid.link/20260402081118.348071-11-srinivas.kandagatla@oss.qualcomm.com
Signed-off-by: Mark Brown <broonie@kernel.or... | ```diff
diff --git a/sound/soc/qcom/qdsp6/q6apm-lpass-dais.c b/sound/soc/qcom/qdsp6/q6apm-lpass-dais.c
index ba64117b8cfe..87f6db12003e 100644
--- a/sound/soc/qcom/qdsp6/q6apm-lpass-dais.c
+++ b/sound/soc/qcom/qdsp6/q6apm-lpass-dais.c
@@ -150,7 +150,7 @@ static void q6apm_lpass_dai_shutdown(struct snd_pcm_substream *su... |
cab45ab95ce7600fc0ff84585c77fd45b7b0d67c | Analyze and fix the following issue in the Linux kernel code: ASoC: qcom: q6apm-dai: reset queue ptr on trigger stop | Problem Details:
Reset queue pointer on SNDRV_PCM_TRIGGER_STOP event to be inline
with resetting appl_ptr. Without this we will end up with a queue_ptr
out of sync and driver could try to send data that is not ready yet.
Fix this by resetting the queue_ptr.
Fixes: 3d4a4411aa8bb ("ASoC: q6apm-dai: schedule all availab... | ```diff
diff --git a/sound/soc/qcom/qdsp6/q6apm-dai.c b/sound/soc/qcom/qdsp6/q6apm-dai.c
index 306e928e7b49..292be457764f 100644
--- a/sound/soc/qcom/qdsp6/q6apm-dai.c
+++ b/sound/soc/qcom/qdsp6/q6apm-dai.c
@@ -317,6 +317,7 @@ static int q6apm_dai_trigger(struct snd_soc_component *component,
case SNDRV_PCM_TRIGGER_ST... |
69acc488aaf39d0ddf6c3cf0e47c1873d39919a2 | Analyze and fix the following issue in the Linux kernel code: ASoC: qcom: q6apm-lpass-dai: Fix multiple graph opens | Problem Details:
As prepare can be called mulitple times, this can result in multiple
graph opens for playback path.
This will result in a memory leaks, fix this by adding a check before
opening.
Fixes: be1fae62cf25 ("ASoC: q6apm-lpass-dai: close graph on prepare errors")
Cc: Stable@vger.kernel.org
Signed-off-by: Sri... | ```diff
diff --git a/sound/soc/qcom/qdsp6/q6apm-lpass-dais.c b/sound/soc/qcom/qdsp6/q6apm-lpass-dais.c
index 5be37eeea329..ba64117b8cfe 100644
--- a/sound/soc/qcom/qdsp6/q6apm-lpass-dais.c
+++ b/sound/soc/qcom/qdsp6/q6apm-lpass-dais.c
@@ -181,7 +181,7 @@ static int q6apm_lpass_dai_prepare(struct snd_pcm_substream *subs... |
d5bfdd28e0cdd45043ae6e0ac168a451d59283dc | Analyze and fix the following issue in the Linux kernel code: ASoC: qcom: qdsp6: topology: check widget type before accessing data | Problem Details:
Check widget type before accessing the private data, as this could a
virtual widget which is no associated with a dsp graph, container and
module. Accessing witout check could lead to incorrect memory access.
Fixes: 36ad9bf1d93d ("ASoC: qdsp6: audioreach: add topology support")
Signed-off-by: Srinivas... | ```diff
diff --git a/sound/soc/qcom/qdsp6/topology.c b/sound/soc/qcom/qdsp6/topology.c
index e732fac9b8ca..1f69fba6de26 100644
--- a/sound/soc/qcom/qdsp6/topology.c
+++ b/sound/soc/qcom/qdsp6/topology.c
@@ -952,9 +952,6 @@ static int audioreach_widget_unload(struct snd_soc_component *scomp,
struct audioreach_containe... |
4a0e1bcc98f7281d1605768bd2fe71eacc34f9b7 | Analyze and fix the following issue in the Linux kernel code: ASoC: qcom: q6apm: remove child devices when apm is removed | Problem Details:
looks like q6apm driver does not remove the child driver q6apm-dai and
q6apm-bedais when the this driver is removed.
Fix this by depopulating them in remove callback.
With this change when the dsp is shutdown all the devices associated with
q6apm will now be removed.
Fixes: 5477518b8a0e ("ASoC: qdsp... | ```diff
diff --git a/sound/soc/qcom/qdsp6/q6apm.c b/sound/soc/qcom/qdsp6/q6apm.c
index 069048db5367..2dc525c8be42 100644
--- a/sound/soc/qcom/qdsp6/q6apm.c
+++ b/sound/soc/qcom/qdsp6/q6apm.c
@@ -762,6 +762,7 @@ static int apm_probe(gpr_device_t *gdev)
static void apm_remove(gpr_device_t *gdev)
{
+ of_platform_depop... |
6ec1235fc941dac6c011b30ee01d9220ff87e0cd | Analyze and fix the following issue in the Linux kernel code: ASoC: qcom: q6apm: move component registration to unmanaged version | Problem Details:
q6apm component registers dais dynamically from ASoC toplology, which
are allocated using device managed version apis. Allocating both
component and dynamic dais using managed version could lead to incorrect
free ordering, dai will be freed while component still holding references
to it.
Fix this issu... | ```diff
diff --git a/sound/soc/qcom/qdsp6/q6apm.c b/sound/soc/qcom/qdsp6/q6apm.c
index 970b08c89bb3..069048db5367 100644
--- a/sound/soc/qcom/qdsp6/q6apm.c
+++ b/sound/soc/qcom/qdsp6/q6apm.c
@@ -747,13 +747,22 @@ static int apm_probe(gpr_device_t *gdev)
q6apm_get_apm_state(apm);
- ret = devm_snd_soc_register_comp... |
3a359bf5c61d52e7f09754108309d637532164a6 | Analyze and fix the following issue in the Linux kernel code: batman-adv: reject oversized global TT response buffers | Problem Details:
batadv_tt_prepare_tvlv_global_data() builds the allocation length for a
global TT response in 16-bit temporaries. When a remote originator
advertises a large enough global TT, the TT payload length plus the VLAN
header offset can exceed 65535 and wrap before kmalloc().
The full-table response path sti... | ```diff
diff --git a/net/batman-adv/translation-table.c b/net/batman-adv/translation-table.c
index 6e95e883c2bf..05cddcf994f6 100644
--- a/net/batman-adv/translation-table.c
+++ b/net/batman-adv/translation-table.c
@@ -798,8 +798,8 @@ batadv_tt_prepare_tvlv_global_data(struct batadv_orig_node *orig_node,
{
u16 num_v... |
4e453375561fc60820e6b9d8ebeb6b3ee177d42e | Analyze and fix the following issue in the Linux kernel code: ipv6: avoid overflows in ip6_datagram_send_ctl() | Problem Details:
Yiming Qian reported :
<quote>
I believe I found a locally triggerable kernel bug in the IPv6 sendmsg
ancillary-data path that can panic the kernel via `skb_under_panic()`
(local DoS).
The core issue is a mismatch between:
- a 16-bit length accumulator (`struct ipv6_txoptions::opt_flen`, type
`... | ```diff
diff --git a/net/ipv6/datagram.c b/net/ipv6/datagram.c
index c564b68a0562..993e2d76fc1f 100644
--- a/net/ipv6/datagram.c
+++ b/net/ipv6/datagram.c
@@ -763,6 +763,7 @@ int ip6_datagram_send_ctl(struct net *net, struct sock *sk,
{
struct in6_pktinfo *src_info;
struct cmsghdr *cmsg;
+ struct ipv6_rt_hdr *orth... |
2e3514e63bfb0e972b1f19668547a455d0129e88 | Analyze and fix the following issue in the Linux kernel code: net: hsr: fix VLAN add unwind on slave errors | Problem Details:
When vlan_vid_add() fails for a secondary slave, the error path calls
vlan_vid_del() on the failing port instead of the peer slave that had
already succeeded. This results in asymmetric VLAN state across the HSR
pair.
Fix this by switching to a centralized unwind path that removes the VID
from any sla... | ```diff
diff --git a/net/hsr/hsr_device.c b/net/hsr/hsr_device.c
index d1bfc49b5f01..fd2fea25eff0 100644
--- a/net/hsr/hsr_device.c
+++ b/net/hsr/hsr_device.c
@@ -532,8 +532,8 @@ static void hsr_change_rx_flags(struct net_device *dev, int change)
static int hsr_ndo_vlan_rx_add_vid(struct net_device *dev,
__be1... |
f5df2990c364d1ac596d24b3118dbc56503f7cd4 | Analyze and fix the following issue in the Linux kernel code: net: hsr: serialize seq_blocks merge across nodes | Problem Details:
During node merging, hsr_handle_sup_frame() walks node_curr->seq_blocks
to update node_real without holding node_curr->seq_out_lock. This
allows concurrent mutations from duplicate registration paths, risking
inconsistent state or XArray/bitmap corruption.
Fix this by locking both nodes' seq_out_lock ... | ```diff
diff --git a/net/hsr/hsr_framereg.c b/net/hsr/hsr_framereg.c
index 50996f4de7f9..d41863593674 100644
--- a/net/hsr/hsr_framereg.c
+++ b/net/hsr/hsr_framereg.c
@@ -123,6 +123,40 @@ static void hsr_free_node_rcu(struct rcu_head *rn)
hsr_free_node(node);
}
+static void hsr_lock_seq_out_pair(struct hsr_node *n... |
b18c833888742ca9de80c250f9d40d0e97caa9f6 | Analyze and fix the following issue in the Linux kernel code: vsock: initialize child_ns_mode_locked in vsock_net_init() | Problem Details:
The `child_ns_mode_locked` field lives in `struct net`, which persists
across vsock module reloads. When the module is unloaded and reloaded,
`vsock_net_init()` resets `mode` and `child_ns_mode` back to their
default values, but does not reset `child_ns_mode_locked`.
The stale lock from the previous m... | ```diff
diff --git a/net/vmw_vsock/af_vsock.c b/net/vmw_vsock/af_vsock.c
index 2f7d94d682cb..d912ed2f012a 100644
--- a/net/vmw_vsock/af_vsock.c
+++ b/net/vmw_vsock/af_vsock.c
@@ -2928,6 +2928,7 @@ static void vsock_net_init(struct net *net)
net->vsock.mode = vsock_net_child_mode(current->nsproxy->net_ns);
net->v... |
e4cabc973133c0623a63e6e3bc3d64e53a2e6d62 | Analyze and fix the following issue in the Linux kernel code: drivers/base/memory: fix stale reference to memory_block_add_nid() | Problem Details:
The function memory_block_add_nid() was renamed to
memory_block_add_nid_early() by commit 0a947c14e48c
("drivers/base: move memory_block_add_nid() into the
caller"). Update the stale reference in add_memory_block().
Assisted-by: unnamed:deepseek-v3.2 coccinelle
Signed-off-by: Kexin Sun <kexinsun@smai... | ```diff
diff --git a/drivers/base/memory.c b/drivers/base/memory.c
index a3091924918b..0d6ccc7cdf05 100644
--- a/drivers/base/memory.c
+++ b/drivers/base/memory.c
@@ -815,7 +815,7 @@ static int add_memory_block(unsigned long block_id, int nid, unsigned long state
/*
* MEM_ONLINE at this point implies early memor... |
eb1b5fc76a940ce309ecc57dbc465dda09171229 | Analyze and fix the following issue in the Linux kernel code: mei: trace: print return value of pci_cfg_read | Problem Details:
Extend debug capabilities.
Add return value print in the trace_mei_pci_cfg_read().
Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Alexander Usyskin <alexander.usyskin@intel.com>
Link: https://patch.msgid.link/20260201094358.1440593-5-alexander.usyskin@intel.com
Signed-... | ```diff
diff --git a/drivers/misc/mei/hw-me.c b/drivers/misc/mei/hw-me.c
index c0d4a02d9cae..72a7cfb2989f 100644
--- a/drivers/misc/mei/hw-me.c
+++ b/drivers/misc/mei/hw-me.c
@@ -1505,10 +1505,11 @@ static bool mei_me_fw_type_nm(const struct pci_dev *pdev)
{
u32 reg;
unsigned int devfn;
+ int ret;
devfn = PCI_... |
f3d0423d4150614c0f6b68c307daa1a6b29730ea | Analyze and fix the following issue in the Linux kernel code: mei: fix idle print specifiers | Problem Details:
%01d is equal to %d, simplify the format.
Suggested-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Alexander Usyskin <alexander.usyskin@intel.com>
Link: https://patch.msgid.link/20260201094358.1440593-3-alexander.... | ```diff
diff --git a/drivers/misc/mei/init.c b/drivers/misc/mei/init.c
index b789c4d9c709..f54991b40fc7 100644
--- a/drivers/misc/mei/init.c
+++ b/drivers/misc/mei/init.c
@@ -348,7 +348,7 @@ bool mei_write_is_idle(struct mei_device *dev)
list_empty(&dev->write_list) &&
list_empty(&dev->write_waiting_list));
-... |
2d7ce8eb59ec880774c7500ac949f0100acba521 | Analyze and fix the following issue in the Linux kernel code: misc: apds990x: fix all kernel-doc warnings | Problem Details:
Move a #define so that it is not between kernel-doc and its struct
declaration.
Spell one struct member correctly.
Warning: include/linux/platform_data/apds990x.h:33 #define
APDS_PARAM_SCALE 4096; error: Cannot parse struct or union!
Warning: include/linux/platform_data/apds990x.h:62 struct member
'... | ```diff
diff --git a/include/linux/platform_data/apds990x.h b/include/linux/platform_data/apds990x.h
index 94dfbaa365e1..37684f68c04f 100644
--- a/include/linux/platform_data/apds990x.h
+++ b/include/linux/platform_data/apds990x.h
@@ -31,7 +31,6 @@
* itself. If the GA is zero, driver will use uncovered sensor default... |
b1c7f7aaabc81ea8a6be2e5cf7d0c5959306f197 | Analyze and fix the following issue in the Linux kernel code: misc: vmw_vmci: Fix spelling mistakes in comments | Problem Details:
'occured' -> 'occurred' (two instances)
Found by manual inspection.
Signed-off-by: Tomasz Unger <tomasz.unger@yahoo.pl>
Link: https://patch.msgid.link/20260220120904.1907108-1-tomasz.unger@yahoo.pl
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> | ```diff
diff --git a/drivers/misc/vmw_vmci/vmci_queue_pair.c b/drivers/misc/vmw_vmci/vmci_queue_pair.c
index 872aad355dbe..b777bc3fdde2 100644
--- a/drivers/misc/vmw_vmci/vmci_queue_pair.c
+++ b/drivers/misc/vmw_vmci/vmci_queue_pair.c
@@ -2532,7 +2532,7 @@ static bool qp_wait_for_ready_queue(struct vmci_qp *qpair)
* ... |
f9b88613ff402aa6fe8fd020573cb95867ae947e | Analyze and fix the following issue in the Linux kernel code: nvmem: zynqmp_nvmem: Fix buffer size in DMA and memcpy | Problem Details:
Buffer size used in dma allocation and memcpy is wrong.
It can lead to undersized DMA buffer access and possible
memory corruption. use correct buffer size in dma_alloc_coherent
and memcpy.
Fixes: 737c0c8d07b5 ("nvmem: zynqmp_nvmem: Add support to access efuse")
Cc: stable@vger.kernel.org
Signed-off-b... | ```diff
diff --git a/drivers/nvmem/zynqmp_nvmem.c b/drivers/nvmem/zynqmp_nvmem.c
index 7da717d6c7fa..d297ff150dc0 100644
--- a/drivers/nvmem/zynqmp_nvmem.c
+++ b/drivers/nvmem/zynqmp_nvmem.c
@@ -66,7 +66,7 @@ static int zynqmp_efuse_access(void *context, unsigned int offset,
dma_addr_t dma_buf;
size_t words = bytes... |
48b5163c957548f5854f14c90bfdedc33afbea3c | Analyze and fix the following issue in the Linux kernel code: nvmem: imx: assign nvmem_cell_info::raw_len | Problem Details:
Avoid getting error messages at startup like the following on i.MX6ULL:
nvmem imx-ocotp0: cell mac-addr raw len 6 unaligned to nvmem word size 4
nvmem imx-ocotp0: cell mac-addr raw len 6 unaligned to nvmem word size 4
This shouldn't cause any functional change as this alignment would
otherwise be don... | ```diff
diff --git a/drivers/nvmem/imx-ocotp-ele.c b/drivers/nvmem/imx-ocotp-ele.c
index 7cf7e809a8f5..a0d2985c6d03 100644
--- a/drivers/nvmem/imx-ocotp-ele.c
+++ b/drivers/nvmem/imx-ocotp-ele.c
@@ -131,6 +131,7 @@ static int imx_ocotp_cell_pp(void *context, const char *id, int index,
static void imx_ocotp_fixup_dt_ce... |
9aad71144fa3682cca3837a06c8623016790e7ec | Analyze and fix the following issue in the Linux kernel code: ibmasm: fix heap over-read in ibmasm_send_i2o_message() | Problem Details:
The ibmasm_send_i2o_message() function uses get_dot_command_size() to
compute the byte count for memcpy_toio(), but this value is derived from
user-controlled fields in the dot_command_header (command_size: u8,
data_size: u16) and is never validated against the actual allocation size.
A root user can w... | ```diff
diff --git a/drivers/misc/ibmasm/lowlevel.c b/drivers/misc/ibmasm/lowlevel.c
index 6922dc6c10db..5313230f36ad 100644
--- a/drivers/misc/ibmasm/lowlevel.c
+++ b/drivers/misc/ibmasm/lowlevel.c
@@ -19,17 +19,21 @@ static struct i2o_header header = I2O_HEADER_TEMPLATE;
int ibmasm_send_i2o_message(struct service_pr... |
0eb09f737428e482a32a2e31e5e223f2b35a71d3 | Analyze and fix the following issue in the Linux kernel code: ibmasm: fix OOB reads in command_file_write due to missing size checks | Problem Details:
The command_file_write() handler allocates a kernel buffer of exactly
count bytes and copies user data into it, but does not validate the
buffer against the dot command protocol before passing it to
get_dot_command_size() and get_dot_command_timeout().
Since both the allocation size (count) and the he... | ```diff
diff --git a/drivers/misc/ibmasm/ibmasmfs.c b/drivers/misc/ibmasm/ibmasmfs.c
index f68a8957b98f..dfdfa9ba4747 100644
--- a/drivers/misc/ibmasm/ibmasmfs.c
+++ b/drivers/misc/ibmasm/ibmasmfs.c
@@ -303,6 +303,8 @@ static ssize_t command_file_write(struct file *file, const char __user *ubuff, s
return -EINVAL;
... |
4b6e6ead556734bdc14024c5f837132b1e7a4b84 | Analyze and fix the following issue in the Linux kernel code: misc: ibmasm: fix OOB MMIO read in ibmasm_handle_mouse_interrupt() | Problem Details:
ibmasm_handle_mouse_interrupt() performs an out-of-bounds MMIO read
when the queue reader or writer index from hardware exceeds
REMOTE_QUEUE_SIZE (60).
A compromised service processor can trigger this by writing an
out-of-range value to the reader or writer MMIO register before
asserting an interrupt.... | ```diff
diff --git a/drivers/misc/ibmasm/remote.c b/drivers/misc/ibmasm/remote.c
index ec816d3b38cb..521531738c9a 100644
--- a/drivers/misc/ibmasm/remote.c
+++ b/drivers/misc/ibmasm/remote.c
@@ -177,6 +177,11 @@ void ibmasm_handle_mouse_interrupt(struct service_processor *sp)
writer = get_queue_writer(sp);
while ... |
84664e43ef87413f81b779b6433f43e14bc558cb | Analyze and fix the following issue in the Linux kernel code: misc: ti_fpc202: fix off-by-one error in port ID bounds check | Problem Details:
FPC202_NUM_PORTS is 2, valid port IDs should be 0 and 1. A port_id of 2
would incorrectly pass the check, potentially causing out-of-bounds
access to the port-related arrays.
Found by code review, compile pass.
Fixes: 1e5c9b1efa1c ("misc: add FPC202 dual port controller driver")
Signed-off-by: Felix ... | ```diff
diff --git a/drivers/misc/ti_fpc202.c b/drivers/misc/ti_fpc202.c
index 8eb2b5ac9850..578feefb77f1 100644
--- a/drivers/misc/ti_fpc202.c
+++ b/drivers/misc/ti_fpc202.c
@@ -366,7 +366,7 @@ static int fpc202_probe(struct i2c_client *client)
goto unregister_chans;
}
- if (port_id > FPC202_NUM_PORTS) {
+ ... |
ac7460c6037e45c72703cbe9a96ee6668601c80f | Analyze and fix the following issue in the Linux kernel code: misc: amd-sbi: Address CPUID extended function bits | Problem Details:
According to the UAPI header (amd-apml.h), the CPUID extended function
capability is indicated by bits [55:48], but the driver currently
checks bits [63:56]. Adjust the driver to use bits [55:48] so that
extended function capability is detected correctly.
Fixes: bb13a84ed6b7 ("misc: amd-sbi: Add suppo... | ```diff
diff --git a/drivers/misc/amd-sbi/rmi-core.c b/drivers/misc/amd-sbi/rmi-core.c
index c3a58912d6db..6979bfd7da64 100644
--- a/drivers/misc/amd-sbi/rmi-core.c
+++ b/drivers/misc/amd-sbi/rmi-core.c
@@ -48,7 +48,7 @@
/* CPUID MCAMSR mask & index */
#define CPUID_MCA_THRD_INDEX 32
#define CPUID_MCA_FUNC_MASK GENM... |
dd3a68a74b29af20e63c1de98f3f175dc1aa7854 | Analyze and fix the following issue in the Linux kernel code: MAINTAINERS: Update ocxl maintainer details | Problem Details:
I am leaving IBM, and Fred isn't working on OpenCAPI either. Mahesh has
kindly agreed to take over as maintainer to review the odd fixes that
still come in, and he has plenty of powerpc-specific experience.
Add Mahesh as ocxl maintainer, remove Fred as a maintainer, and downgrade
myself to reviewer us... | ```diff
diff --git a/MAINTAINERS b/MAINTAINERS
index 48fda1f8332e..4275040b372d 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -19253,8 +19253,8 @@ F: drivers/net/dsa/ocelot/ocelot_ext.c
F: include/linux/mfd/ocelot.h
OCXL (Open Coherent Accelerator Processor Interface OpenCAPI) DRIVER
-M: Frederic Barrat <fbarrat@li... |
Subsets and Splits
No community queries yet
The top public SQL queries from the community will appear here once available.