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8c5c2a4898e3d6bad86e29d471e023c8a19ba799
Analyze and fix the following issue in the Linux kernel code: bpf, sockmap: Revert buggy deadlock fix in the sockhash and sockmap
Problem Details: syzbot reported a splat and bisected it to recent commit ed17aa92dc56 ("bpf, sockmap: fix deadlocks in the sockhash and sockmap"): [...] WARNING: CPU: 1 PID: 9280 at kernel/softirq.c:376 __local_bh_enable_ip+0xbe/0x130 kernel/softirq.c:376 Modules linked in: CPU: 1 PID: 9280 Comm: syz-executor...
```diff diff --git a/net/core/sock_map.c b/net/core/sock_map.c index 66305b7bf8b7..7c189c2e2fbf 100644 --- a/net/core/sock_map.c +++ b/net/core/sock_map.c @@ -414,9 +414,8 @@ static int __sock_map_delete(struct bpf_stab *stab, struct sock *sk_test, { struct sock *sk; int err = 0; - unsigned long flags; - raw_spi...
9123397aeeb4f93dda5828e37c35312f1b62231e
Analyze and fix the following issue in the Linux kernel code: mlx4: bpf_xdp_metadata_rx_hash add xdp rss hash type
Problem Details: Update API for bpf_xdp_metadata_rx_hash() with arg for xdp rss hash type via matching individual Completion Queue Entry (CQE) status bits. Fixes: ab46182d0dcb ("net/mlx4_en: Support RX XDP metadata") Signed-off-by: Jesper Dangaard Brouer <brouer@redhat.com> Acked-by: Toke Høiland-Jørgensen <toke@redha...
```diff diff --git a/drivers/net/ethernet/mellanox/mlx4/en_rx.c b/drivers/net/ethernet/mellanox/mlx4/en_rx.c index 73d10aa4c503..332472fe4990 100644 --- a/drivers/net/ethernet/mellanox/mlx4/en_rx.c +++ b/drivers/net/ethernet/mellanox/mlx4/en_rx.c @@ -685,11 +685,28 @@ int mlx4_en_xdp_rx_hash(const struct xdp_md *ctx, u...
96b1a098f3db06223a6b6268e756f980d5c07f10
Analyze and fix the following issue in the Linux kernel code: veth: bpf_xdp_metadata_rx_hash add xdp rss hash type
Problem Details: Update API for bpf_xdp_metadata_rx_hash() with arg for xdp rss hash type. The veth driver currently only support XDP-hints based on SKB code path. The SKB have lost information about the RSS hash type, by compressing the information down to a single bitfield skb->l4_hash, that only knows if this was a...
```diff diff --git a/drivers/net/veth.c b/drivers/net/veth.c index 424e8876a16b..e1b38fbf1dd9 100644 --- a/drivers/net/veth.c +++ b/drivers/net/veth.c @@ -1652,11 +1652,14 @@ static int veth_xdp_rx_hash(const struct xdp_md *ctx, u32 *hash, enum xdp_rss_hash_type *rss_type) { struct veth_xdp_buff *_ctx = (voi...
67f245c2ec0af17d7a90c78910e28bc8b206297c
Analyze and fix the following issue in the Linux kernel code: mlx5: bpf_xdp_metadata_rx_hash add xdp rss hash type
Problem Details: Update API for bpf_xdp_metadata_rx_hash() with arg for xdp rss hash type via mapping table. The mlx5 hardware can also identify and RSS hash IPSEC. This indicate hash includes SPI (Security Parameters Index) as part of IPSEC hash. Extend xdp core enum xdp_rss_hash_type with IPSEC hash type. Fixes: ...
```diff diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en/xdp.c b/drivers/net/ethernet/mellanox/mlx5/core/en/xdp.c index efe609f8e3aa..d9d3b9e1f15a 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/en/xdp.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/en/xdp.c @@ -34,6 +34,7 @@ #include <net/xdp_sock_drv.h> ...
0cd917a4a8ace70ff9082d797c899f6bf10de910
Analyze and fix the following issue in the Linux kernel code: xdp: rss hash types representation
Problem Details: The RSS hash type specifies what portion of packet data NIC hardware used when calculating RSS hash value. The RSS types are focused on Internet traffic protocols at OSI layers L3 and L4. L2 (e.g. ARP) often get hash value zero and no RSS type. For L3 focused on IPv4 vs. IPv6, and L4 primarily TCP vs U...
```diff diff --git a/drivers/net/ethernet/mellanox/mlx4/en_rx.c b/drivers/net/ethernet/mellanox/mlx4/en_rx.c index 4b5e459b6d49..73d10aa4c503 100644 --- a/drivers/net/ethernet/mellanox/mlx4/en_rx.c +++ b/drivers/net/ethernet/mellanox/mlx4/en_rx.c @@ -681,7 +681,8 @@ int mlx4_en_xdp_rx_timestamp(const struct xdp_md *ctx...
fffb0b52d5258554c645c966c6cbef7de50b851d
Analyze and fix the following issue in the Linux kernel code: fbcon: set_con2fb_map needs to set con2fb_map!
Problem Details: I got really badly confused in d443d9386472 ("fbcon: move more common code into fb_open()") because we set the con2fb_map before the failure points, which didn't look good. But in trying to fix that I moved the assignment into the wrong path - we need to do it for _all_ vc we take over, not just the f...
```diff diff --git a/drivers/video/fbdev/core/fbcon.c b/drivers/video/fbdev/core/fbcon.c index 52f6ce8e794a..eb565a10e5cd 100644 --- a/drivers/video/fbdev/core/fbcon.c +++ b/drivers/video/fbdev/core/fbcon.c @@ -846,10 +846,11 @@ static int set_con2fb_map(int unit, int newidx, int user) if (err) return err; - ...
edf79dd2172233452ff142dcc98b19d955fc8974
Analyze and fix the following issue in the Linux kernel code: fbcon: Fix error paths in set_con2fb_map
Problem Details: This is a regressoin introduced in b07db3958485 ("fbcon: Ditch error handling for con2fb_release_oldinfo"). I failed to realize what the if (!err) checks. The mentioned commit was dropping the con2fb_release_oldinfo() return value but the if (!err) was also checking whether the con2fb_acquire_newinfo()...
```diff diff --git a/drivers/video/fbdev/core/fbcon.c b/drivers/video/fbdev/core/fbcon.c index 0a2c47df01f4..52f6ce8e794a 100644 --- a/drivers/video/fbdev/core/fbcon.c +++ b/drivers/video/fbdev/core/fbcon.c @@ -823,7 +823,7 @@ static int set_con2fb_map(int unit, int newidx, int user) int oldidx = con2fb_map[unit]; ...
42e3b093eb7c8de823d15f7fa674a99ab8edf1ff
Analyze and fix the following issue in the Linux kernel code: selftests/resctrl: Fix set up schemata with 100% allocation on first run in MBM test
Problem Details: There is a comment "Set up shemata with 100% allocation on the first run" in function mbm_setup(), but there is an increment bug and the condition "num_of_runs == 0" will never be met and write_schemata() will never be called to set schemata to 100%. Even if write_schemata() is called in MBM test, sinc...
```diff diff --git a/tools/testing/selftests/resctrl/mbm_test.c b/tools/testing/selftests/resctrl/mbm_test.c index c9dfa54af42f..9b591c35310f 100644 --- a/tools/testing/selftests/resctrl/mbm_test.c +++ b/tools/testing/selftests/resctrl/mbm_test.c @@ -89,23 +89,24 @@ static int check_results(int span) static int mbm_se...
0646dc31ca886693274df5749cd0c8c1eaaeb5ca
Analyze and fix the following issue in the Linux kernel code: skbuff: Fix a race between coalescing and releasing SKBs
Problem Details: Commit 1effe8ca4e34 ("skbuff: fix coalescing for page_pool fragment recycling") allowed coalescing to proceed with non page pool page and page pool page when @from is cloned, i.e. to->pp_recycle --> false from->pp_recycle --> true skb_cloned(from) --> true However, it actually requires skb_clone...
```diff diff --git a/net/core/skbuff.c b/net/core/skbuff.c index 1a31815104d6..4c0879798eb8 100644 --- a/net/core/skbuff.c +++ b/net/core/skbuff.c @@ -5599,18 +5599,18 @@ bool skb_try_coalesce(struct sk_buff *to, struct sk_buff *from, if (skb_cloned(to)) return false; - /* In general, avoid mixing slab allocated...
e8b74453555872851bdd7ea43a7c0ec39659834f
Analyze and fix the following issue in the Linux kernel code: net: macb: fix a memory corruption in extended buffer descriptor mode
Problem Details: For quite some time we were chasing a bug which looked like a sudden permanent failure of networking and mmc on some of our devices. The bug was very sensitive to any software changes and even more to any kernel debug options. Finally we got a setup where the problem was reproducible with CONFIG_DMA_A...
```diff diff --git a/drivers/net/ethernet/cadence/macb_main.c b/drivers/net/ethernet/cadence/macb_main.c index 66e30561569e..e43d99ec50ba 100644 --- a/drivers/net/ethernet/cadence/macb_main.c +++ b/drivers/net/ethernet/cadence/macb_main.c @@ -1064,6 +1064,10 @@ static dma_addr_t macb_get_addr(struct macb *bp, struct ma...
3a0385be133e7091cc9a9a998c7ec712bb9585db
Analyze and fix the following issue in the Linux kernel code: selftests: add the missing CONFIG_IP_SCTP in net config
Problem Details: The selftest sctp_vrf needs CONFIG_IP_SCTP set in config when building the kernel, so add it. Fixes: a61bd7b9fef3 ("selftests: add a selftest for sctp vrf") Reported-by: Naresh Kamboju <naresh.kamboju@linaro.org> Signed-off-by: Xin Long <lucien.xin@gmail.com> Reviewed-by: Sridhar Samudrala <sridhar.sa...
```diff diff --git a/tools/testing/selftests/net/config b/tools/testing/selftests/net/config index cc9fd55ab869..2529226ce87c 100644 --- a/tools/testing/selftests/net/config +++ b/tools/testing/selftests/net/config @@ -48,3 +48,4 @@ CONFIG_BAREUDP=m CONFIG_IPV6_IOAM6_LWTUNNEL=y CONFIG_CRYPTO_SM4_GENERIC=y CONFIG_AMT...
1c5950fc6fe996235f1d18539b9c6b64b597f50f
Analyze and fix the following issue in the Linux kernel code: udp6: fix potential access to stale information
Problem Details: lena wang reported an issue caused by udpv6_sendmsg() mangling msg->msg_name and msg->msg_namelen, which are later read from ____sys_sendmsg() : /* * If this is sendmmsg() and sending to current destination address was * successful, remember it. */ if (used_address && err >= 0) { used_addres...
```diff diff --git a/net/ipv6/udp.c b/net/ipv6/udp.c index 9fb2f33ee3a7..a675acfb901d 100644 --- a/net/ipv6/udp.c +++ b/net/ipv6/udp.c @@ -1395,9 +1395,11 @@ int udpv6_sendmsg(struct sock *sk, struct msghdr *msg, size_t len) msg->msg_name = &sin; msg->msg_namelen = sizeof(sin); do_udp_sendmsg: - if (ipv6_onl...
306dc21361993f4fe50a15d4db6b1a4de5d0adb0
Analyze and fix the following issue in the Linux kernel code: selftests: openvswitch: adjust datapath NL message declaration
Problem Details: The netlink message for creating a new datapath takes an array of ports for the PID creation. This shouldn't cause much issue but correct it for future cases where we need to do decode of datapath information that could include the per-cpu PID map. Fixes: 25f16c873fb1 ("selftests: add openvswitch sel...
```diff diff --git a/tools/testing/selftests/net/openvswitch/ovs-dpctl.py b/tools/testing/selftests/net/openvswitch/ovs-dpctl.py index 3243c90d449e..5d467d1993cb 100644 --- a/tools/testing/selftests/net/openvswitch/ovs-dpctl.py +++ b/tools/testing/selftests/net/openvswitch/ovs-dpctl.py @@ -62,7 +62,7 @@ class OvsDatapa...
711ae788cbbb82818531b55e32b09518ee09a11a
Analyze and fix the following issue in the Linux kernel code: selftests: mptcp: userspace pm: uniform verify events
Problem Details: Simply adding a "sleep" before checking something is usually not a good idea because the time that has been picked can not be enough or too much. The best is to wait for events with a timeout. In this selftest, 'sleep 0.5' is used more than 40 times. It is always used before calling a 'verify_*' funct...
```diff diff --git a/tools/testing/selftests/net/mptcp/userspace_pm.sh b/tools/testing/selftests/net/mptcp/userspace_pm.sh index 48e52f995a98..b1eb7bce599d 100755 --- a/tools/testing/selftests/net/mptcp/userspace_pm.sh +++ b/tools/testing/selftests/net/mptcp/userspace_pm.sh @@ -913,6 +913,7 @@ test_listener() $clien...
c0ff6f6da66a7791a32c0234388b1bdc00244917
Analyze and fix the following issue in the Linux kernel code: mptcp: fix NULL pointer dereference on fastopen early fallback
Problem Details: In case of early fallback to TCP, subflow_syn_recv_sock() deletes the subflow context before returning the newly allocated sock to the caller. The fastopen path does not cope with the above unconditionally dereferencing the subflow context. Fixes: 36b122baf6a8 ("mptcp: add subflow_v(4,6)_send_synack(...
```diff diff --git a/net/mptcp/fastopen.c b/net/mptcp/fastopen.c index d237d142171c..bceaab8dd8e4 100644 --- a/net/mptcp/fastopen.c +++ b/net/mptcp/fastopen.c @@ -9,11 +9,18 @@ void mptcp_fastopen_subflow_synack_set_params(struct mptcp_subflow_context *subflow, struct request_sock *req) { - struct sock *s...
d6a0443733434408f2cbd4c53fea6910599bab9e
Analyze and fix the following issue in the Linux kernel code: mptcp: stricter state check in mptcp_worker
Problem Details: As reported by Christoph, the mptcp protocol can run the worker when the relevant msk socket is in an unexpected state: connect() // incoming reset + fastclose // the mptcp worker is scheduled mptcp_disconnect() // msk is now CLOSED listen() mptcp_worker() Leading to the following splat: divide erro...
```diff diff --git a/net/mptcp/protocol.c b/net/mptcp/protocol.c index 60b23b2716c4..06c5872e3b00 100644 --- a/net/mptcp/protocol.c +++ b/net/mptcp/protocol.c @@ -2626,7 +2626,7 @@ static void mptcp_worker(struct work_struct *work) lock_sock(sk); state = sk->sk_state; - if (unlikely(state == TCP_CLOSE)) + if (unl...
a5cb752b125766524c921faab1a45cc96065b0a7
Analyze and fix the following issue in the Linux kernel code: mptcp: use mptcp_schedule_work instead of open-coding it
Problem Details: Beyond reducing code duplication this also avoids scheduling the mptcp_worker on a closed socket on some edge scenarios. The addressed issue is actually older than the blamed commit below, but this fix needs it as a pre-requisite. Fixes: ba8f48f7a4d7 ("mptcp: introduce mptcp_schedule_work") Cc: stabl...
```diff diff --git a/net/mptcp/options.c b/net/mptcp/options.c index b30cea2fbf3f..355f798d575a 100644 --- a/net/mptcp/options.c +++ b/net/mptcp/options.c @@ -1192,9 +1192,8 @@ bool mptcp_incoming_options(struct sock *sk, struct sk_buff *skb) */ if (TCP_SKB_CB(skb)->seq == TCP_SKB_CB(skb)->end_seq) { if (mp_opt...
f8160d3b35fc94491bb0cb974dbda310ef96c0e2
Analyze and fix the following issue in the Linux kernel code: i2c: ocores: generate stop condition after timeout in polling mode
Problem Details: In polling mode, no stop condition is generated after a timeout. This causes SCL to remain low and thereby block the bus. If this happens during a transfer it can cause slaves to misinterpret the subsequent transfer and return wrong values. To solve this, pass the ETIMEDOUT error up from ocores_proces...
```diff diff --git a/drivers/i2c/busses/i2c-ocores.c b/drivers/i2c/busses/i2c-ocores.c index a0af027db04c..2e575856c5cd 100644 --- a/drivers/i2c/busses/i2c-ocores.c +++ b/drivers/i2c/busses/i2c-ocores.c @@ -342,18 +342,18 @@ static int ocores_poll_wait(struct ocores_i2c *i2c) * ocores_isr(), we just add our polling c...
ca1382eafae50377088772d6c485ab6b89da2e56
Analyze and fix the following issue in the Linux kernel code: s390/debug: replace zero-length array with flexible-array member
Problem Details: There are numerous patches which convert zero-length arrays with a flexible-array member. Convert the remaining s390 occurrences. Suggested-by: Gustavo A. R. Silva <gustavoars@kernel.org> Link: https://github.com/KSPP/linux/issues/78 Link: https://gcc.gnu.org/pipermail/gcc-patches/2022-October/602902....
```diff diff --git a/arch/s390/kernel/debug.c b/arch/s390/kernel/debug.c index 221c865785c2..a85e0c3e7027 100644 --- a/arch/s390/kernel/debug.c +++ b/arch/s390/kernel/debug.c @@ -60,7 +60,7 @@ typedef struct { * except of floats, and long long (32 bit) * */ - long args[0]; + long args[]; } debug_sprintf_entry...
81e8479649853ffafc714aca4a9c0262efd3160a
Analyze and fix the following issue in the Linux kernel code: s390/mm: fix direct map accounting
Problem Details: Commit bb1520d581a3 ("s390/mm: start kernel with DAT enabled") did not implement direct map accounting in the early page table setup code. In result the reported values are bogus now: $cat /proc/meminfo ... DirectMap4k: 5120 kB DirectMap1M: 18446744073709546496 kB DirectMap2G: 0 kB...
```diff diff --git a/arch/s390/boot/vmem.c b/arch/s390/boot/vmem.c index df91d9065f7e..acb1f8b53105 100644 --- a/arch/s390/boot/vmem.c +++ b/arch/s390/boot/vmem.c @@ -13,6 +13,10 @@ unsigned long __bootdata_preserved(s390_invalid_asce); +#ifdef CONFIG_PROC_FS +atomic_long_t __bootdata_preserved(direct_pages_count[...
898435203c115b164b96f30be7d9c790bbb50338
Analyze and fix the following issue in the Linux kernel code: s390/boot: pin amode31 default lma
Problem Details: The special amode31 part of the kernel must always remain below 2Gb. Place it just under vmlinux.default_lma by default, which makes it easier to debug amode31 as its default lma is known 0x10000 - 0x3000 (currently, amode31's size is 3 pages). This location is always available as it is originally occu...
```diff diff --git a/arch/s390/boot/startup.c b/arch/s390/boot/startup.c index e1edb6186bee..45c30c2b1a7a 100644 --- a/arch/s390/boot/startup.c +++ b/arch/s390/boot/startup.c @@ -278,6 +278,7 @@ void startup_kernel(void) { unsigned long max_physmem_end; unsigned long vmlinux_lma = 0; + unsigned long amode31_lma; ...
3cdf0269cdc2c4728b71af4199823b6284379d42
Analyze and fix the following issue in the Linux kernel code: s390/cpum_cf: log bad return code of function cfset_all_copy
Problem Details: When function cfset_all_copy() fails, also log the bad return code in the debug statement (when turned on). No functional change Signed-off-by: Thomas Richter <tmricht@linux.ibm.com> Acked-by: Sumanth Korikkar <sumanthk@linux.ibm.com> Signed-off-by: Vasily Gorbik <gor@linux.ibm.com>
```diff diff --git a/arch/s390/kernel/perf_cpum_cf.c b/arch/s390/kernel/perf_cpum_cf.c index c9ab971498d6..0b134c220948 100644 --- a/arch/s390/kernel/perf_cpum_cf.c +++ b/arch/s390/kernel/perf_cpum_cf.c @@ -1290,7 +1290,7 @@ static size_t cfset_needspace(unsigned int sets) static int cfset_all_copy(unsigned long arg, ...
bac30ea9ef80624dfe4bf20c0fc2073dcc771a87
Analyze and fix the following issue in the Linux kernel code: s390/ipl: fix physical-virtual confusion for diag308
Problem Details: Diag 308 subcodes expect a physical address as their parameter. This currently is not a bug, but in the future physical and virtual addresses might differ. Fix the confusion by doing a virtual-to-physical conversion in the exported diag308() and leave the assembly wrapper __diag308() alone. Note tha...
```diff diff --git a/arch/s390/kernel/ipl.c b/arch/s390/kernel/ipl.c index 0f91cd401eef..43de939b7af1 100644 --- a/arch/s390/kernel/ipl.c +++ b/arch/s390/kernel/ipl.c @@ -176,11 +176,11 @@ static bool reipl_fcp_clear; static bool reipl_ccw_clear; static bool reipl_eckd_clear; -static inline int __diag308(unsigned l...
e42ac7789df64120d7d3d57433dfc9f37ec0cb99
Analyze and fix the following issue in the Linux kernel code: s390/checksum: always use cksm instruction
Problem Details: Commit dfe843dce775 ("s390/checksum: support GENERIC_CSUM, enable it for KASAN") switched s390 to use the generic checksum functions, so that KASAN instrumentation also works checksum functions by avoiding architecture specific inline assemblies. There is however the problem that the generic csum_part...
```diff diff --git a/arch/s390/Kconfig b/arch/s390/Kconfig index d4db47b0610c..a7568449ca59 100644 --- a/arch/s390/Kconfig +++ b/arch/s390/Kconfig @@ -26,10 +26,6 @@ config GENERIC_BUG config GENERIC_BUG_RELATIVE_POINTERS def_bool y -config GENERIC_CSUM - bool - default y if KASAN - config GENERIC_LOCKBREAK def...
aca3b0fa3d04b40c96934d86cc224cccfa7ea8e0
Analyze and fix the following issue in the Linux kernel code: RDMA/core: Fix GID entry ref leak when create_ah fails
Problem Details: If AH create request fails, release sgid_attr to avoid GID entry referrence leak reported while releasing GID table Fixes: 1a1f460ff151 ("RDMA: Hold the sgid_attr inside the struct ib_ah/qp") Link: https://lore.kernel.org/r/20230401063424.342204-1-saravanan.vajravel@broadcom.com Reviewed-by: Selvin Xa...
```diff diff --git a/drivers/infiniband/core/verbs.c b/drivers/infiniband/core/verbs.c index 11b1c1603aeb..b99b3cc283b6 100644 --- a/drivers/infiniband/core/verbs.c +++ b/drivers/infiniband/core/verbs.c @@ -532,6 +532,8 @@ static struct ib_ah *_rdma_create_ah(struct ib_pd *pd, else ret = device->ops.create_ah(ah, ...
e39c76b2160bbd005587f978d29603ef790aefcd
Analyze and fix the following issue in the Linux kernel code: drm/i915/color: Fix typo for Plane CSC indexes
Problem Details: Replace _PLANE_INPUT_CSC_RY_GY_2_* with _PLANE_CSC_RY_GY_2_* for Plane CSC Fixes: 6eba56f64d5d ("drm/i915/pxp: black pixels on pxp disabled") Cc: <stable@vger.kernel.org> Signed-off-by: Chaitanya Kumar Borah <chaitanya.kumar.borah@intel.com> Reviewed-by: Uma Shankar <uma.shankar@intel.com> Signed-of...
```diff diff --git a/drivers/gpu/drm/i915/i915_reg.h b/drivers/gpu/drm/i915/i915_reg.h index ae387c702da9..4511f01ca705 100644 --- a/drivers/gpu/drm/i915/i915_reg.h +++ b/drivers/gpu/drm/i915/i915_reg.h @@ -6338,8 +6338,8 @@ enum skl_power_gate { #define _PLANE_CSC_RY_GY_1(pipe) _PIPE(pipe, _PLANE_CSC_RY_GY_1_A, \ ...
ca6961d8a851f3720175f500be38fe9cee5a2c13
Analyze and fix the following issue in the Linux kernel code: HID: mcp2221: fix get and get_direction for gpio
Problem Details: The mcp2221_raw_event retrieves the value and direction of gpio on the same command, by setting the value on mcp->status and the direction on mcp->gpio_dir; and the offset at which they are read is based on mcp->gp_idx, set by the gpiochip callbacks. However, the individual gpiochip calls set the inde...
```diff diff --git a/drivers/hid/hid-mcp2221.c b/drivers/hid/hid-mcp2221.c index fa20ed4d395a..72883e0ce757 100644 --- a/drivers/hid/hid-mcp2221.c +++ b/drivers/hid/hid-mcp2221.c @@ -594,7 +594,7 @@ static int mcp_gpio_get(struct gpio_chip *gc, mcp->txbuf[0] = MCP2221_GPIO_GET; - mcp->gp_idx = offsetof(struct mcp...
e36c31f8cac54d6d900d270078d6b33de74e1b0a
Analyze and fix the following issue in the Linux kernel code: HID: mcp2221: fix report layout for gpio get
Problem Details: The documentation of the component (section 3.1.12 GET GPIO VALUES) describes the hid report structure with two fields per gpio: its value, followed by its direction. However, the driver describes it with a wrong order: direction followed by value. Fix the structure representing the report answered b...
```diff diff --git a/drivers/hid/hid-mcp2221.c b/drivers/hid/hid-mcp2221.c index f74a977cf8f8..fa20ed4d395a 100644 --- a/drivers/hid/hid-mcp2221.c +++ b/drivers/hid/hid-mcp2221.c @@ -79,8 +79,8 @@ struct mcp_get_gpio { u8 cmd; u8 dummy; struct { - u8 direction; u8 value; + u8 direction; } gpio[MCP_NGPIO]; ...
0b75a1b1e42e07ae84e3a11d2368b418546e2bec
Analyze and fix the following issue in the Linux kernel code: wifi: mac80211: flush queues on STA removal
Problem Details: When we remove a station, we first make it unreachable, then we (must) remove its keys, and then remove the station itself. Depending on the hardware design, if we have hardware crypto at all, frames still sitting on hardware queues may then be transmitted without a valid key, possibly unencrypted or w...
```diff diff --git a/net/mac80211/sta_info.c b/net/mac80211/sta_info.c index 941bda9141fa..ce7c3b997269 100644 --- a/net/mac80211/sta_info.c +++ b/net/mac80211/sta_info.c @@ -1294,6 +1294,14 @@ static void __sta_info_destroy_part2(struct sta_info *sta) WARN_ON_ONCE(ret); } + /* Flush queues before removing keys,...
217f3c52f00d3419ecdd38a99a7eceecb11679b2
Analyze and fix the following issue in the Linux kernel code: wifi: iwlwifi: mvm: don't set CHECKSUM_COMPLETE for unsupported protocols
Problem Details: On Bz devices, CHECKSUM_COMPLETE was set for unsupported protocols which results in a warning. Fix it. Fixes: b6f5b647f694 ("iwlwifi: mvm: handle RX checksum on Bz devices") Signed-off-by: Avraham Stern <avraham.stern@intel.com> Signed-off-by: Gregory Greenman <gregory.greenman@intel.com> Link: https:...
```diff diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/rxmq.c b/drivers/net/wireless/intel/iwlwifi/mvm/rxmq.c index 5d803e537b00..31e1d0ccdec5 100644 --- a/drivers/net/wireless/intel/iwlwifi/mvm/rxmq.c +++ b/drivers/net/wireless/intel/iwlwifi/mvm/rxmq.c @@ -172,8 +172,7 @@ static int iwl_mvm_create_skb(struct iwl_...
277f56a141fc54ef7f9e09dba65fb2e12021411d
Analyze and fix the following issue in the Linux kernel code: wifi: iwlwifi: trans: don't trigger d3 interrupt twice
Problem Details: When the IPC registers are used for sleep control, setting the IPC sleep bit already triggers an interrupt to the fw, so there is no need to also set the doorbell. Setting also the doorbell triggers the sleep interrupt twice which lead to an assert. Fixes: af08571d3925 ("iwlwifi: pcie: support Bz susp...
```diff diff --git a/drivers/net/wireless/intel/iwlwifi/pcie/trans.c b/drivers/net/wireless/intel/iwlwifi/pcie/trans.c index 0a9af1ad1f20..40283fe622da 100644 --- a/drivers/net/wireless/intel/iwlwifi/pcie/trans.c +++ b/drivers/net/wireless/intel/iwlwifi/pcie/trans.c @@ -1522,19 +1522,16 @@ static int iwl_pcie_d3_handsh...
d34d11aea2d5d71a66f2f90507c3f7202b964175
Analyze and fix the following issue in the Linux kernel code: wifi: iwlwifi: mvm: fix A-MSDU checks
Problem Details: Since Gl A-step devices use the old checksum hardware, we shouldn't use the Bz code to check for A-MSDU combining ability; fix that. Fixes: ec18e7d4d20d ("wifi: iwlwifi: mvm: use old checksum for Bz A-step") Signed-off-by: Johannes Berg <johannes.berg@intel.com> Signed-off-by: Gregory Greenman <gregor...
```diff diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/mac80211.c b/drivers/net/wireless/intel/iwlwifi/mvm/mac80211.c index aaa7e3c561a0..0ee5169de034 100644 --- a/drivers/net/wireless/intel/iwlwifi/mvm/mac80211.c +++ b/drivers/net/wireless/intel/iwlwifi/mvm/mac80211.c @@ -6129,7 +6129,10 @@ static bool iwl_mvm_ma...
4e17e156051be8c2223af7bc0267fb3d325d277d
Analyze and fix the following issue in the Linux kernel code: wifi: iwlwifi: mvm: use OFDM rate if IEEE80211_TX_CTL_NO_CCK_RATE is set
Problem Details: IEEE80211_TX_CTL_NO_CCK_RATE indicates that CCK rates should not be used, but is ignored by the driver. Fix it. Signed-off-by: Avraham Stern <avraham.stern@intel.com> Signed-off-by: Gregory Greenman <gregory.greenman@intel.com> Link: https://lore.kernel.org/r/20230413102635.a322d18b5eb1.Icc46027a03f90...
```diff diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/tx.c b/drivers/net/wireless/intel/iwlwifi/mvm/tx.c index 2c842938656d..9a6e7dd166c0 100644 --- a/drivers/net/wireless/intel/iwlwifi/mvm/tx.c +++ b/drivers/net/wireless/intel/iwlwifi/mvm/tx.c @@ -343,7 +343,8 @@ static u32 iwl_mvm_get_tx_rate(struct iwl_mvm *mv...
413be839bfca9a4f6b32b92807ecdc2c2c182d94
Analyze and fix the following issue in the Linux kernel code: wifi: iwlwifi: add a validity check of queue_id in iwl_txq_reclaim
Problem Details: This function receives the queue id to reclaim packets from. Currently we're passing to it the queue id we received from the FW in the flush response. We don't do any check of this value and it might be invalid. In such case we will refer to a pointer to a queue which might be NULL. Fix this by adding ...
```diff diff --git a/drivers/net/wireless/intel/iwlwifi/queue/tx.c b/drivers/net/wireless/intel/iwlwifi/queue/tx.c index 726185d6fab8..d1c39c214f95 100644 --- a/drivers/net/wireless/intel/iwlwifi/queue/tx.c +++ b/drivers/net/wireless/intel/iwlwifi/queue/tx.c @@ -1554,14 +1554,18 @@ void iwl_txq_reclaim(struct iwl_trans...
634c7b1bd08ca322537ab389f8cbd7bb543b5e45
Analyze and fix the following issue in the Linux kernel code: wifi: iwlwifi: debug: fix crash in __iwl_err()
Problem Details: In __iwl_err(), if we rate-limit the message away, then vaf.va is still NULL-initialized by the time we get to the tracing code, which then crashes. When it doesn't get rate-limited out, it's still wrong to reuse the old args2 that was already printed, which is why we bother making a copy in the first ...
```diff diff --git a/drivers/net/wireless/intel/iwlwifi/iwl-debug.c b/drivers/net/wireless/intel/iwlwifi/iwl-debug.c index ae4c2a3d63d5..3a3c13a41fc6 100644 --- a/drivers/net/wireless/intel/iwlwifi/iwl-debug.c +++ b/drivers/net/wireless/intel/iwlwifi/iwl-debug.c @@ -1,6 +1,6 @@ // SPDX-License-Identifier: GPL-2.0 OR B...
0f6fac2cfbefa1d891389104af46e54c982b1c7a
Analyze and fix the following issue in the Linux kernel code: HID: kye: Fix rdesc for kye tablets
Problem Details: I forget to add them in previous commit 2dd438cdc2e9 ("HID: kye: Add support for all kye tablets"). Signed-off-by: David Yang <mmyangfl@gmail.com> Link: https://lore.kernel.org/r/20230411173308.422756-1-mmyangfl@gmail.com Signed-off-by: Benjamin Tissoires <benjamin.tissoires@redhat.com>
```diff diff --git a/drivers/hid/hid-kye.c b/drivers/hid/hid-kye.c index b3bde4bb979d..eb9bf2829937 100644 --- a/drivers/hid/hid-kye.c +++ b/drivers/hid/hid-kye.c @@ -209,7 +209,7 @@ static const __u8 pensketch_t609a_control_rdesc[] = { 0xC0 /* End Collection */ }; -/* Fix indexes in kye_...
c8bc34660628769f71e8b230144a2a4d86ab0f91
Analyze and fix the following issue in the Linux kernel code: sunrpc: Fix RFC6803 encryption test
Problem Details: The usage_data[] array in rfc6803_encrypt_case() is uninitialised, so clear it as it may cause the tests to fail otherwise. Fixes: b958cff6b27b ("SUNRPC: Add encryption KUnit tests for the RFC 6803 encryption types") Link: https://lore.kernel.org/r/380323.1681314997@warthog.procyon.org.uk/ Signed-off-...
```diff diff --git a/net/sunrpc/auth_gss/gss_krb5_test.c b/net/sunrpc/auth_gss/gss_krb5_test.c index ce0541e32fc9..aa6ec4e858aa 100644 --- a/net/sunrpc/auth_gss/gss_krb5_test.c +++ b/net/sunrpc/auth_gss/gss_krb5_test.c @@ -1327,6 +1327,7 @@ static void rfc6803_encrypt_case(struct kunit *test) if (!gk5e) kunit_skip...
8455cbb25927013b3417ab619dced1c0e87708af
Analyze and fix the following issue in the Linux kernel code: HID: amd_sfh: Handle "no sensors" enabled for SFH1.1
Problem Details: Based on num_hid_devices, each sensor device is initialized. If "no sensors" is initialized, amd_sfh work initialization and scheduling doesn’t make sense and returns EOPNOTSUPP to stop driver probe. Hence, add a check for "no sensors" enabled to handle the special case. Fixes: 93ce5e0231d7 ("HID: amd...
```diff diff --git a/drivers/hid/amd-sfh-hid/sfh1_1/amd_sfh_init.c b/drivers/hid/amd-sfh-hid/sfh1_1/amd_sfh_init.c index a1d6e08fab7d..bb8bd7892b67 100644 --- a/drivers/hid/amd-sfh-hid/sfh1_1/amd_sfh_init.c +++ b/drivers/hid/amd-sfh-hid/sfh1_1/amd_sfh_init.c @@ -112,6 +112,7 @@ static int amd_sfh1_1_hid_client_init(str...
571dc8f59dd477037bb5a029e8d1b5a4a4d9dd63
Analyze and fix the following issue in the Linux kernel code: HID: amd_sfh: Increase sensor command timeout for SFH1.1
Problem Details: The initialization of SFH1.1 sensors may take some time. Hence, increase sensor command timeouts in order to obtain status responses within a maximum timeout. Fixes: 93ce5e0231d7 ("HID: amd_sfh: Implement SFH1.1 functionality") Signed-off-by: Basavaraj Natikar <Basavaraj.Natikar@amd.com> Signed-off-by...
```diff diff --git a/drivers/hid/amd-sfh-hid/sfh1_1/amd_sfh_interface.c b/drivers/hid/amd-sfh-hid/sfh1_1/amd_sfh_interface.c index 6f6047f7f12e..4f81ef2d4f56 100644 --- a/drivers/hid/amd-sfh-hid/sfh1_1/amd_sfh_interface.c +++ b/drivers/hid/amd-sfh-hid/sfh1_1/amd_sfh_interface.c @@ -16,11 +16,11 @@ static int amd_sfh_wa...
82c2a0d137794f5ef47982231593a00aee26ce3b
Analyze and fix the following issue in the Linux kernel code: HID: amd_sfh: Correct the stop all command
Problem Details: Misinterpreted the stop all command in SHF1.1 firmware. Therefore, it is necessary to update the stop all command accordingly to disable all sensors. Fixes: 93ce5e0231d7 ("HID: amd_sfh: Implement SFH1.1 functionality") Signed-off-by: Basavaraj Natikar <Basavaraj.Natikar@amd.com> Signed-off-by: Jiri Ko...
```diff diff --git a/drivers/hid/amd-sfh-hid/sfh1_1/amd_sfh_interface.c b/drivers/hid/amd-sfh-hid/sfh1_1/amd_sfh_interface.c index 6e19ccc12450..6f6047f7f12e 100644 --- a/drivers/hid/amd-sfh-hid/sfh1_1/amd_sfh_interface.c +++ b/drivers/hid/amd-sfh-hid/sfh1_1/amd_sfh_interface.c @@ -58,8 +58,10 @@ static void amd_stop_a...
1353ecaf1830d6d1b74f3225378a9498b4e14fdd
Analyze and fix the following issue in the Linux kernel code: HID: amd_sfh: Add support for shutdown operation
Problem Details: As soon as the system is booted after shutdown, the sensors may remain in a weird state and fail to initialize. Therefore, all sensors should be turned off during shutdown. Fixes: 4f567b9f8141 ("SFH: PCIe driver to add support of AMD sensor fusion hub") Signed-off-by: Basavaraj Natikar <Basavaraj.Nati...
```diff diff --git a/drivers/hid/amd-sfh-hid/amd_sfh_pcie.c b/drivers/hid/amd-sfh-hid/amd_sfh_pcie.c index 47774b9ab3de..c936d6a51c0c 100644 --- a/drivers/hid/amd-sfh-hid/amd_sfh_pcie.c +++ b/drivers/hid/amd-sfh-hid/amd_sfh_pcie.c @@ -367,6 +367,14 @@ init_done: return devm_add_action_or_reset(&pdev->dev, privdata->m...
a33e5e393171ae8384d3381db5cd159ba877cfcb
Analyze and fix the following issue in the Linux kernel code: HID: amd_sfh: Fix illuminance value
Problem Details: Illuminance value is actually 32 bits, but is incorrectly trancated to 16 bits. Hence convert to integer illuminace accordingly to reflect correct values. Fixes: 93ce5e0231d7 ("HID: amd_sfh: Implement SFH1.1 functionality") Signed-off-by: Basavaraj Natikar <Basavaraj.Natikar@amd.com> Signed-off-by: Ji...
```diff diff --git a/drivers/hid/amd-sfh-hid/sfh1_1/amd_sfh_desc.c b/drivers/hid/amd-sfh-hid/sfh1_1/amd_sfh_desc.c index 0609fea581c9..6f0d332ccf51 100644 --- a/drivers/hid/amd-sfh-hid/sfh1_1/amd_sfh_desc.c +++ b/drivers/hid/amd-sfh-hid/sfh1_1/amd_sfh_desc.c @@ -218,7 +218,7 @@ static u8 get_input_rep(u8 current_index,...
0b9255bf11baa61cd526e6bd24d6c8e6d1eabf8d
Analyze and fix the following issue in the Linux kernel code: HID: amd_sfh: Correct the sensor enable and disable command
Problem Details: In order to start or stop sensors, the firmware command needs to be changed to add an additional default subcommand value. For this reason, add a subcommand value to enable or disable sensors accordingly. Fixes: 93ce5e0231d7 ("HID: amd_sfh: Implement SFH1.1 functionality") Signed-off-by: Basavaraj Nat...
```diff diff --git a/drivers/hid/amd-sfh-hid/sfh1_1/amd_sfh_interface.c b/drivers/hid/amd-sfh-hid/sfh1_1/amd_sfh_interface.c index c6df959ec725..6e19ccc12450 100644 --- a/drivers/hid/amd-sfh-hid/sfh1_1/amd_sfh_interface.c +++ b/drivers/hid/amd-sfh-hid/sfh1_1/amd_sfh_interface.c @@ -33,6 +33,7 @@ static void amd_start_s...
7e7fdab79899f62de39c9280fb78f3d3b02ac207
Analyze and fix the following issue in the Linux kernel code: HID: amd_sfh: Correct the structure fields
Problem Details: Misinterpreted sfh_cmd_base structure member fields. Therefore, adjust the structure member fields accordingly to reflect functionality. Fixes: 93ce5e0231d7 ("HID: amd_sfh: Implement SFH1.1 functionality") Signed-off-by: Basavaraj Natikar <Basavaraj.Natikar@amd.com> Signed-off-by: Jiri Kosina <jkosina...
```diff diff --git a/drivers/hid/amd-sfh-hid/sfh1_1/amd_sfh_interface.h b/drivers/hid/amd-sfh-hid/sfh1_1/amd_sfh_interface.h index ae47a369dc05..a3e0ec289e3f 100644 --- a/drivers/hid/amd-sfh-hid/sfh1_1/amd_sfh_interface.h +++ b/drivers/hid/amd-sfh-hid/sfh1_1/amd_sfh_interface.h @@ -33,9 +33,9 @@ struct sfh_cmd_base { ...
23acb14af1914010dd0aae1bbb7fab28bf518b8e
Analyze and fix the following issue in the Linux kernel code: samples/bpf: Fix fout leak in hbm's run_bpf_prog
Problem Details: Fix fout being fopen'ed but then not subsequently fclose'd. In the affected branch, fout is otherwise going out of scope. Signed-off-by: Hao Zeng <zenghao@kylinos.cn> Signed-off-by: Daniel Borkmann <daniel@iogearbox.net> Link: https://lore.kernel.org/bpf/20230411084349.1999628-1-zenghao@kylinos.cn
```diff diff --git a/samples/bpf/hbm.c b/samples/bpf/hbm.c index ff58ec43f56a..6448b7826107 100644 --- a/samples/bpf/hbm.c +++ b/samples/bpf/hbm.c @@ -315,6 +315,7 @@ static int run_bpf_prog(char *prog, int cg_id) fout = fopen(fname, "w"); fprintf(fout, "id:%d\n", cg_id); fprintf(fout, "ERROR: Could not lookup...
1ba83f505c53d35eda892ac7f108ef1189da6fa8
Analyze and fix the following issue in the Linux kernel code: xsk: Elide base_addr comparison in xp_unaligned_validate_desc
Problem Details: Remove redundant (base_addr >= pool->addrs_cnt) comparison from the conditional. In particular, addr is computed as: addr = base_addr + offset ... where base_addr and offset are stored as 48-bit and 16-bit unsigned integers, respectively. The above sum cannot overflow u64 since base_addr has a m...
```diff diff --git a/net/xdp/xsk_queue.h b/net/xdp/xsk_queue.h index 76b574bffd4a..6d40a77fccbe 100644 --- a/net/xdp/xsk_queue.h +++ b/net/xdp/xsk_queue.h @@ -149,16 +149,12 @@ static inline bool xp_aligned_validate_desc(struct xsk_buff_pool *pool, static inline bool xp_unaligned_validate_desc(struct xsk_buff_pool *po...
4099be372faf7b3616634dfe6994b81b1edf1906
Analyze and fix the following issue in the Linux kernel code: selftests/bpf: Fix compiler warnings in bpf_testmod for kfuncs
Problem Details: Add -Wmissing-prototypes ignore in bpf_testmod.c, similarly to what we do in kernel code proper. Reported-by: kernel test robot <lkp@intel.com> Signed-off-by: Andrii Nakryiko <andrii@kernel.org> Signed-off-by: Daniel Borkmann <daniel@iogearbox.net> Link: https://lore.kernel.org/oe-kbuild-all/202304080...
```diff diff --git a/tools/testing/selftests/bpf/bpf_testmod/bpf_testmod.c b/tools/testing/selftests/bpf/bpf_testmod/bpf_testmod.c index c5ad39bbe9af..fe847ebfb731 100644 --- a/tools/testing/selftests/bpf/bpf_testmod/bpf_testmod.c +++ b/tools/testing/selftests/bpf/bpf_testmod/bpf_testmod.c @@ -28,6 +28,10 @@ struct bpf...
50947d7fe9fa6abe3ddc40769dfb02a51c58edb6
Analyze and fix the following issue in the Linux kernel code: blk-mq: don't plug for head insertions in blk_execute_rq_nowait
Problem Details: Plugs never insert at head, so don't plug for head insertions. Fixes: 1c2d2fff6dc0 ("block: wire-up support for passthrough plugging") Signed-off-by: Christoph Hellwig <hch@lst.de> Reviewed-by: Bart Van Assche <bvanassche@acm.org> Reviewed-by: Damien Le Moal <dlemoal@kernel.org> Link: https://lore.ker...
```diff diff --git a/block/blk-mq.c b/block/blk-mq.c index 52f8e0099c7f..7908d19f1408 100644 --- a/block/blk-mq.c +++ b/block/blk-mq.c @@ -1299,7 +1299,7 @@ void blk_execute_rq_nowait(struct request *rq, bool at_head) * device, directly accessing the plug instead of using blk_mq_plug() * should not have any conse...
20de765f6d9da0c47b756429c60b41063b990a10
Analyze and fix the following issue in the Linux kernel code: blk-stat: fix QUEUE_FLAG_STATS clear
Problem Details: We need to set QUEUE_FLAG_STATS for two cases: 1. blk_stat_enable_accounting() 2. blk_stat_add_callback() So we should clear it only when ((q->stats->accounting == 0) && list_empty(&q->stats->callbacks)). blk_stat_disable_accounting() only check if q->stats->accounting is 0 before clear the flag, thi...
```diff diff --git a/block/blk-stat.c b/block/blk-stat.c index 74a1a8c32d86..bc7e0ed81642 100644 --- a/block/blk-stat.c +++ b/block/blk-stat.c @@ -190,7 +190,7 @@ void blk_stat_disable_accounting(struct request_queue *q) unsigned long flags; spin_lock_irqsave(&q->stats->lock, flags); - if (!--q->stats->accounting...
a13696b83da4f1e53e192ec3e239afd3a96ff747
Analyze and fix the following issue in the Linux kernel code: blk-iolatency: Make initialization lazy
Problem Details: Other rq_qos policies such as wbt and iocost are lazy-initialized when they are configured for the first time for the device but iolatency is initialized unconditionally from blkcg_init_disk() during gendisk init. Lazy init is beneficial because rq_qos policies add runtime overhead when initialized as ...
```diff diff --git a/block/blk-cgroup.c b/block/blk-cgroup.c index c154b08a7e92..1c1ebeb51003 100644 --- a/block/blk-cgroup.c +++ b/block/blk-cgroup.c @@ -33,7 +33,6 @@ #include "blk-cgroup.h" #include "blk-ioprio.h" #include "blk-throttle.h" -#include "blk-rq-qos.h" /* * blkcg_pol_mutex protects blkcg_policy[]...
faffaab2895914a803e011600164683bf747fee3
Analyze and fix the following issue in the Linux kernel code: blkcg: Restructure blkg_conf_prep() and friends
Problem Details: We want to support lazy init of rq-qos policies so that iolatency is enabled lazily on configuration instead of gendisk initialization. The way blkg config helpers are structured now is a bit awkward for that. Let's restructure: * blkcg_conf_open_bdev() is renamed to blkg_conf_open_bdev(). The blkcg_ ...
```diff diff --git a/block/bfq-cgroup.c b/block/bfq-cgroup.c index 74f7d051665b..2c90e5de0acd 100644 --- a/block/bfq-cgroup.c +++ b/block/bfq-cgroup.c @@ -1105,9 +1105,11 @@ static ssize_t bfq_io_set_device_weight(struct kernfs_open_file *of, struct bfq_group *bfqg; u64 v; - ret = blkg_conf_prep(blkcg, &blkcg_pol...
775d3c514c5b2763a50ab7839026d7561795924d
Analyze and fix the following issue in the Linux kernel code: x86/rtc: Remove __init for runtime functions
Problem Details: set_rtc_noop(), get_rtc_noop() are after booting, therefore their __init annotation is wrong. A crash was observed on an x86 platform where CMOS RTC is unused and disabled via device tree. set_rtc_noop() was invoked from ntp: sync_hw_clock(), although CONFIG_RTC_SYSTOHC=n, however sync_cmos_clock() do...
```diff diff --git a/arch/x86/kernel/x86_init.c b/arch/x86/kernel/x86_init.c index ef80d361b463..10622cf2b30f 100644 --- a/arch/x86/kernel/x86_init.c +++ b/arch/x86/kernel/x86_init.c @@ -33,8 +33,8 @@ static int __init iommu_init_noop(void) { return 0; } static void iommu_shutdown_noop(void) { } bool __init bool_x86_...
c1e07a80cf23d3a6e96172bc9a73bfa912a9fcbc
Analyze and fix the following issue in the Linux kernel code: selftests/bpf: Fix leaked bpf_link in get_stackid_cannot_attach
Problem Details: skel->links.oncpu is leaked in one case. This causes test perf_branches fails when it runs after get_stackid_cannot_attach: ./test_progs -t get_stackid_cannot_attach,perf_branches 84 get_stackid_cannot_attach:OK test_perf_branches_common:PASS:test_perf_branches_load 0 nsec test_perf_branches_comm...
```diff diff --git a/tools/testing/selftests/bpf/prog_tests/get_stackid_cannot_attach.c b/tools/testing/selftests/bpf/prog_tests/get_stackid_cannot_attach.c index 5308de1ed478..2715c68301f5 100644 --- a/tools/testing/selftests/bpf/prog_tests/get_stackid_cannot_attach.c +++ b/tools/testing/selftests/bpf/prog_tests/get_s...
de6d014a09bf12a9a8959d60c0a1d4a41d394a89
Analyze and fix the following issue in the Linux kernel code: selftests/bpf: Use read_perf_max_sample_freq() in perf_event_stackmap
Problem Details: Currently, perf_event sample period in perf_event_stackmap is set too low that the test fails randomly. Fix this by using the max sample frequency, from read_perf_max_sample_freq(). Move read_perf_max_sample_freq() to testing_helpers.c. Replace the CHECK() with if-printf, as CHECK is not available in ...
```diff diff --git a/tools/testing/selftests/bpf/prog_tests/perf_event_stackmap.c b/tools/testing/selftests/bpf/prog_tests/perf_event_stackmap.c index 33144c9432ae..f4aad35afae1 100644 --- a/tools/testing/selftests/bpf/prog_tests/perf_event_stackmap.c +++ b/tools/testing/selftests/bpf/prog_tests/perf_event_stackmap.c @...
5a674611d116a5fc28c5429beea2b78c6e2933ef
Analyze and fix the following issue in the Linux kernel code: selftests/bpf: Fix use of uninitialized op_name in log tests
Problem Details: One of the test assertions uses an uninitialized op_name, which leads to some headscratching if it fails. Use a string constant instead. Fixes: b1a7a480a112 ("selftests/bpf: Add fixed vs rotating verifier log tests") Signed-off-by: Lorenz Bauer <lmb@isovalent.com> Signed-off-by: Daniel Borkmann <danie...
```diff diff --git a/tools/testing/selftests/bpf/prog_tests/verifier_log.c b/tools/testing/selftests/bpf/prog_tests/verifier_log.c index 475092a78deb..8337c6bc5b95 100644 --- a/tools/testing/selftests/bpf/prog_tests/verifier_log.c +++ b/tools/testing/selftests/bpf/prog_tests/verifier_log.c @@ -110,7 +110,7 @@ static vo...
9df3f5082ff94c55e84523a28c040445220b2f64
Analyze and fix the following issue in the Linux kernel code: arm64: avoid redundant PAC stripping in __builtin_return_address()
Problem Details: In old versions of GCC and Clang, __builtin_return_address() did not strip the PAC. This was not the behaviour we desired, and so we wrapped this with code to strip the PAC in commit: 689eae42afd7a916 ("arm64: mask PAC bits of __builtin_return_address") Since then, both GCC and Clang decided that _...
```diff diff --git a/arch/arm64/Kconfig b/arch/arm64/Kconfig index 1023e896d46b..d69b624b3083 100644 --- a/arch/arm64/Kconfig +++ b/arch/arm64/Kconfig @@ -362,6 +362,20 @@ config ARCH_PROC_KCORE_TEXT config BROKEN_GAS_INST def_bool !$(as-instr,1:\n.inst 0\n.rept . - 1b\n\nnop\n.endr\n) +config BUILTIN_RETURN_ADDRE...
f100ce3bbd6aa0093075b20b9dbd006686f6aedf
Analyze and fix the following issue in the Linux kernel code: media: verisilicon: Fix crash when probing encoder
Problem Details: ctx->vpu_dst_fmt is no more initialized before calling hantro_try_fmt() so assigne it to vpu_fmt led to crash the kernel. Like for decoder case use 'fmt' as format for encoder and clean up the code. Signed-off-by: Benjamin Gaignard <benjamin.gaignard@collabora.com> Tested-by: Marek Szyprowski <m.szypr...
```diff diff --git a/drivers/media/platform/verisilicon/hantro_v4l2.c b/drivers/media/platform/verisilicon/hantro_v4l2.c index d238d407f986..835518534e3b 100644 --- a/drivers/media/platform/verisilicon/hantro_v4l2.c +++ b/drivers/media/platform/verisilicon/hantro_v4l2.c @@ -275,7 +275,7 @@ static int hantro_try_fmt(con...
d638dcb52b099e9123bef2690ffe2e2bf9d39746
Analyze and fix the following issue in the Linux kernel code: net: stmmac: Fix DMA typo
Problem Details: DAM is supposed to be DMA. Fix it to improve readability. Signed-off-by: Andrew Halaney <ahalaney@redhat.com> Reviewed-by: Jesse Brandeburg <jesse.brandeburg@intel.com> Tested-by: Brian Masney <bmasney@redhat.com> Signed-off-by: Paolo Abeni <pabeni@redhat.com>
```diff diff --git a/drivers/net/ethernet/stmicro/stmmac/common.h b/drivers/net/ethernet/stmicro/stmmac/common.h index 54bb072aeb2d..4ad692c4116c 100644 --- a/drivers/net/ethernet/stmicro/stmmac/common.h +++ b/drivers/net/ethernet/stmicro/stmmac/common.h @@ -242,7 +242,7 @@ struct stmmac_safety_stats { #define SF_DM...
d554ba0ea03cbd1cc1455f6133d03cd9b7967ac6
Analyze and fix the following issue in the Linux kernel code: dt-bindings: net: snps,dwmac: Update interrupt-names
Problem Details: As commit fc191af1bb0d ("net: stmmac: platform: Fix misleading interrupt error msg") noted, not every stmmac based platform makes use of the 'eth_wake_irq' or 'eth_lpi' interrupts. So, update the 'interrupt-names' inside 'snps,dwmac' YAML bindings to reflect the same. Reviewed-by: Krzysztof Kozlowski...
```diff diff --git a/Documentation/devicetree/bindings/net/snps,dwmac.yaml b/Documentation/devicetree/bindings/net/snps,dwmac.yaml index 74f2ddc12018..5a4737e969a3 100644 --- a/Documentation/devicetree/bindings/net/snps,dwmac.yaml +++ b/Documentation/devicetree/bindings/net/snps,dwmac.yaml @@ -105,7 +105,7 @@ propertie...
5b7be2d4fd6eb8bec14c2de96c664e07c7d0bd82
Analyze and fix the following issue in the Linux kernel code: net: enetc: workaround for unresponsive pMAC after receiving express traffic
Problem Details: I have observed an issue where the RX direction of the LS1028A ENETC pMAC seems unresponsive. The minimal procedure to reproduce the issue is: 1. Connect ENETC port 0 with a loopback RJ45 cable to one of the Felix switch ports (0). 2. Bring the ports up (MAC Merge layer is not enabled on either en...
```diff diff --git a/drivers/net/ethernet/freescale/enetc/enetc_ethtool.c b/drivers/net/ethernet/freescale/enetc/enetc_ethtool.c index da9d4b310fcd..838750a03cf6 100644 --- a/drivers/net/ethernet/freescale/enetc/enetc_ethtool.c +++ b/drivers/net/ethernet/freescale/enetc/enetc_ethtool.c @@ -989,6 +989,20 @@ static int e...
6d52b0e706989d48e1aa3b5263f6185770ab4af3
Analyze and fix the following issue in the Linux kernel code: iio: adc: palmas: Take probe fully device managed.
Problem Details: Review of a recent fix highlighted that this driver could be trivially converted to be entirely devm managed. That fix should be applied to resolve the fix in a fashion easy to back port even though this change removes the relevant code. [1] https://patchwork.kernel.org/project/linux-iio/patch/202303...
```diff diff --git a/drivers/iio/adc/palmas_gpadc.c b/drivers/iio/adc/palmas_gpadc.c index 849a697a467e..2921186458e0 100644 --- a/drivers/iio/adc/palmas_gpadc.c +++ b/drivers/iio/adc/palmas_gpadc.c @@ -493,6 +493,11 @@ static int palmas_gpadc_get_adc_dt_data(struct platform_device *pdev, return 0; } +static void ...
4a627a2593b457336047c6803b5d5c097183a9ca
Analyze and fix the following issue in the Linux kernel code: iommu/vt-d: Remove BUG_ON in handling iotlb cache invalidation
Problem Details: VT-d iotlb cache invalidation request with unexpected type is considered as a bug to developers, which can be fixed. So, when such kind of issue comes out, it needs to be reported through the kernel log, instead of halting the system. Replacing BUG_ON with warning reporting. Signed-off-by: Tina Zhang ...
```diff diff --git a/drivers/iommu/intel/iommu.c b/drivers/iommu/intel/iommu.c index c4847a5aaf52..dd61bb554aa7 100644 --- a/drivers/iommu/intel/iommu.c +++ b/drivers/iommu/intel/iommu.c @@ -1272,7 +1272,9 @@ static void __iommu_flush_context(struct intel_iommu *iommu, | DMA_CCMD_SID(source_id) | DMA_CCMD_FM(functi...
88c531b42a986c02a2630b84521d3dfe19b01686
Analyze and fix the following issue in the Linux kernel code: arm64: dts: mt8195: Add dma-ranges for the parent "soc" node
Problem Details: After commit f1ad5338a4d5 ("of: Fix "dma-ranges" handling for bus controllers"), the dma-ranges property is not allowed for the leaf node. But our iommu/dma-ranges is 16GB, we still expect separate the 16GB dma-range like: a) display is in 0 - 4GB; b) vcodec is in 4GB - 8GB; c) camera is in 8GB - 12GB....
```diff diff --git a/arch/arm64/boot/dts/mediatek/mt8195.dtsi b/arch/arm64/boot/dts/mediatek/mt8195.dtsi index 89f469ba9f6c..7d87cbabc9f1 100644 --- a/arch/arm64/boot/dts/mediatek/mt8195.dtsi +++ b/arch/arm64/boot/dts/mediatek/mt8195.dtsi @@ -364,6 +364,7 @@ #size-cells = <2>; compatible = "simple-bus"; ranges...
b2a6876d215b3e980d8ac89ccc704667ad266205
Analyze and fix the following issue in the Linux kernel code: iommu/mediatek: Get regionid from larb/port id
Problem Details: After commit f1ad5338a4d5 ("of: Fix "dma-ranges" handling for bus controllers"), the dma-ranges is not allowed for dts leaf node. but we still would like to separate to different masters into different iova regions. Thus we have to separate it by the HW larbid and portid. For example, larb1/2 are in r...
```diff diff --git a/drivers/iommu/mtk_iommu.c b/drivers/iommu/mtk_iommu.c index efc247a3989e..2bbcce783624 100644 --- a/drivers/iommu/mtk_iommu.c +++ b/drivers/iommu/mtk_iommu.c @@ -8,7 +8,6 @@ #include <linux/clk.h> #include <linux/component.h> #include <linux/device.h> -#include <linux/dma-direct.h> #include <li...
559549b1f250a1b5bec3c6c3a9354deead371bde
Analyze and fix the following issue in the Linux kernel code: dt-bindings: media: mediatek,jpeg: Remove dma-ranges property
Problem Details: After commit f1ad5338a4d5 ("of: Fix "dma-ranges" handling for bus controllers"), the dma-ranges of the leaf node doesn't work. Remove it for jpeg here. Currently there is only mt8195 jpeg node has this property in upstream, and it already uses parent-child node, this property did work. But instead, Me...
```diff diff --git a/Documentation/devicetree/bindings/media/mediatek,mt8195-jpegdec.yaml b/Documentation/devicetree/bindings/media/mediatek,mt8195-jpegdec.yaml index 71595c013dbb..e5448c60e3eb 100644 --- a/Documentation/devicetree/bindings/media/mediatek,mt8195-jpegdec.yaml +++ b/Documentation/devicetree/bindings/medi...
e494245c756e270e3450983b654c38e6f8aa0b18
Analyze and fix the following issue in the Linux kernel code: dt-bindings: media: mediatek,vcodec: Remove dma-ranges property
Problem Details: After commit f1ad5338a4d5 ("of: Fix "dma-ranges" handling for bus controllers"), the dma-ranges of the leaf node doesn't work. Remove it for vcodec here. For mediatek,vcodec-decoder.yaml and mediatek,vcodec-encoder.yaml, this property is in the leaf node, it is invalid as the above comment. Currently...
```diff diff --git a/Documentation/devicetree/bindings/media/mediatek,vcodec-decoder.yaml b/Documentation/devicetree/bindings/media/mediatek,vcodec-decoder.yaml index aa55ca65d6ed..fad59b486d5d 100644 --- a/Documentation/devicetree/bindings/media/mediatek,vcodec-decoder.yaml +++ b/Documentation/devicetree/bindings/medi...
ccc62b827775915a9b82db42a29813d04f92df7a
Analyze and fix the following issue in the Linux kernel code: iommu/amd: Fix "Guest Virtual APIC Table Root Pointer" configuration in IRTE
Problem Details: commit b9c6ff94e43a ("iommu/amd: Re-factor guest virtual APIC (de-)activation code") while refactoring guest virtual APIC activation/de-activation code, stored information for activate/de-activate in "struct amd_ir_data". It used 32-bit integer data type for storing the "Guest Virtual APIC Table Root P...
```diff diff --git a/drivers/iommu/amd/amd_iommu_types.h b/drivers/iommu/amd/amd_iommu_types.h index 3d684190b4d5..f7cb1ce0f9bb 100644 --- a/drivers/iommu/amd/amd_iommu_types.h +++ b/drivers/iommu/amd/amd_iommu_types.h @@ -1001,8 +1001,8 @@ struct amd_ir_data { */ struct irq_cfg *cfg; int ga_vector; - int ga_roo...
8f880d19e6ad645a4b8066d5ff091c980b3231e7
Analyze and fix the following issue in the Linux kernel code: iommu/amd: Set page size bitmap during V2 domain allocation
Problem Details: With the addition of the V2 page table support, the domain page size bitmap needs to be set prior to iommu core setting up direct mappings for reserved regions. When reserved regions are mapped, if this is not done, it will be looking at the V1 page size bitmap when determining the page size to use in ...
```diff diff --git a/drivers/iommu/amd/iommu.c b/drivers/iommu/amd/iommu.c index 5a505ba5467e..167da5b1a5e3 100644 --- a/drivers/iommu/amd/iommu.c +++ b/drivers/iommu/amd/iommu.c @@ -1666,10 +1666,6 @@ static void do_attach(struct iommu_dev_data *dev_data, domain->dev_iommu[iommu->index] += 1; domain->dev_cnt ...
9e4fa80ab7ef9eb4f7b1ea9fc31e0eb040e85e25
Analyze and fix the following issue in the Linux kernel code: pwm: meson: Fix g12a ao clk81 name
Problem Details: Fix the name of the aoclk81 clock. Apparently name aoclk81 as used by the vendor driver was changed when mainlining the g12a clock driver. Fixes: f41efceb46e6 ("pwm: meson: Add clock source configuration for Meson G12A") Cc: stable@vger.kernel.org Signed-off-by: Heiner Kallweit <hkallweit1@gmail.com> ...
```diff diff --git a/drivers/pwm/pwm-meson.c b/drivers/pwm/pwm-meson.c index 028783088ce1..5732300eb004 100644 --- a/drivers/pwm/pwm-meson.c +++ b/drivers/pwm/pwm-meson.c @@ -427,7 +427,7 @@ static const struct meson_pwm_data pwm_axg_ao_data = { }; static const char * const pwm_g12a_ao_ab_parent_names[] = { - "xtal...
eb411c0cf59ae6344b34bc6f0d298a22b300627e
Analyze and fix the following issue in the Linux kernel code: pwm: meson: Fix axg ao mux parents
Problem Details: This fix is basically the same as 9bce02ef0dfa ("pwm: meson: Fix the G12A AO clock parents order"). Vendor driver referenced there has xtal as first parent also for axg ao. In addition fix the name of the aoclk81 clock. Apparently name aoclk81 as used by the vendor driver was changed when mainlining th...
```diff diff --git a/drivers/pwm/pwm-meson.c b/drivers/pwm/pwm-meson.c index 5cd7b90872c6..028783088ce1 100644 --- a/drivers/pwm/pwm-meson.c +++ b/drivers/pwm/pwm-meson.c @@ -418,7 +418,7 @@ static const struct meson_pwm_data pwm_axg_ee_data = { }; static const char * const pwm_axg_ao_parent_names[] = { - "aoclk81"...
c931680cfa958c8fe9ace31a1dbeefff75597d54
Analyze and fix the following issue in the Linux kernel code: cacheinfo: Add arm64 early level initializer implementation
Problem Details: This patch adds an architecture specific early cache level detection handler for arm64. This is basically the CLIDR_EL1 based detection that was previously done (only) in init_cache_level(). This is part of a patch series that attempts to further the work in commit 5944ce092b97 ("arch_topology: Build ...
```diff diff --git a/arch/arm64/kernel/cacheinfo.c b/arch/arm64/kernel/cacheinfo.c index c307f69e9b55..d9c9218fa1fd 100644 --- a/arch/arm64/kernel/cacheinfo.c +++ b/arch/arm64/kernel/cacheinfo.c @@ -38,11 +38,9 @@ static void ci_leaf_init(struct cacheinfo *this_leaf, this_leaf->type = type; } -int init_cache_level...
6539cffa94957241c096099a57d05fa4d8c7db8a
Analyze and fix the following issue in the Linux kernel code: cacheinfo: Add arch specific early level initializer
Problem Details: This patch gives architecture specific code the ability to initialize the cache level and allocate cacheinfo memory early, when cache level initialization runs on the primary CPU for all possible CPUs. This is part of a patch series that attempts to further the work in commit 5944ce092b97 ("arch_topol...
```diff diff --git a/drivers/base/cacheinfo.c b/drivers/base/cacheinfo.c index f6573c335f4c..6e0a44bad305 100644 --- a/drivers/base/cacheinfo.c +++ b/drivers/base/cacheinfo.c @@ -398,6 +398,11 @@ static void free_cache_attributes(unsigned int cpu) cache_shared_cpu_map_remove(cpu); } +int __weak early_cache_level(u...
32832a2caf82663870126c5186cf8f86c8b2a649
Analyze and fix the following issue in the Linux kernel code: sctp: fix a potential overflow in sctp_ifwdtsn_skip
Problem Details: Currently, when traversing ifwdtsn skips with _sctp_walk_ifwdtsn, it only checks the pos against the end of the chunk. However, the data left for the last pos may be < sizeof(struct sctp_ifwdtsn_skip), and dereference it as struct sctp_ifwdtsn_skip may cause coverflow. This patch fixes it by checking ...
```diff diff --git a/net/sctp/stream_interleave.c b/net/sctp/stream_interleave.c index 94727feb07b3..b046b11200c9 100644 --- a/net/sctp/stream_interleave.c +++ b/net/sctp/stream_interleave.c @@ -1154,7 +1154,8 @@ static void sctp_generate_iftsn(struct sctp_outq *q, __u32 ctsn) #define _sctp_walk_ifwdtsn(pos, chunk, ...
6417070918de3bcdbe0646e7256dae58fd8083ba
Analyze and fix the following issue in the Linux kernel code: net: qrtr: Fix an uninit variable access bug in qrtr_tx_resume()
Problem Details: Syzbot reported a bug as following: ===================================================== BUG: KMSAN: uninit-value in qrtr_tx_resume+0x185/0x1f0 net/qrtr/af_qrtr.c:230 qrtr_tx_resume+0x185/0x1f0 net/qrtr/af_qrtr.c:230 qrtr_endpoint_post+0xf85/0x11b0 net/qrtr/af_qrtr.c:519 qrtr_tun_write_iter+0x270/...
```diff diff --git a/net/qrtr/af_qrtr.c b/net/qrtr/af_qrtr.c index 3a70255c8d02..76f0434d3d06 100644 --- a/net/qrtr/af_qrtr.c +++ b/net/qrtr/af_qrtr.c @@ -498,6 +498,11 @@ int qrtr_endpoint_post(struct qrtr_endpoint *ep, const void *data, size_t len) if (!size || len != ALIGN(size, 4) + hdrlen) goto err; + if ((...
4f86a6ff6fbd891232dda3ca97fd1b9630b59809
Analyze and fix the following issue in the Linux kernel code: nvme-fcloop: fix "inconsistent {IN-HARDIRQ-W} -> {HARDIRQ-ON-W} usage"
Problem Details: fcloop_fcp_op() could be called from flush request's ->end_io(flush_end_io) in which the spinlock of fq->mq_flush_lock is grabbed with irq saved/disabled. So fcloop_fcp_op() can't call spin_unlock_irq(&tfcp_req->reqlock) simply which enables irq unconditionally. Fixes the warning by switching to spin...
```diff diff --git a/drivers/nvme/target/fcloop.c b/drivers/nvme/target/fcloop.c index 5c16372f3b53..c780af36c1d4 100644 --- a/drivers/nvme/target/fcloop.c +++ b/drivers/nvme/target/fcloop.c @@ -614,10 +614,11 @@ fcloop_fcp_recv_work(struct work_struct *work) struct fcloop_fcpreq *tfcp_req = container_of(work, str...
d4f1d5f7a4d8d998739c3d699476cd0247d580c6
Analyze and fix the following issue in the Linux kernel code: nvme: fix double blk_mq_complete_request for timeout request with low probability
Problem Details: When nvme_cancel_tagset traverses all tagsets and executes nvme_cancel_request, this request may be executing blk_mq_free_request that is called by nvme_rdma_complete_timed_out/nvme_tcp_complete_timed_out. When blk_mq_free_request executes to WRITE_ONCE(rq->state, MQ_RQ_IDLE) and __blk_mq_free_request(...
```diff diff --git a/drivers/nvme/host/core.c b/drivers/nvme/host/core.c index 0699365461f4..6c1e7d6709e0 100644 --- a/drivers/nvme/host/core.c +++ b/drivers/nvme/host/core.c @@ -450,8 +450,8 @@ bool nvme_cancel_request(struct request *req, void *data) dev_dbg_ratelimited(((struct nvme_ctrl *) data)->device, "Ca...
6622b76fe922b94189499a90ccdb714a4a8d0773
Analyze and fix the following issue in the Linux kernel code: nvme: fix async event trace event
Problem Details: Mixing AER Event Type and Event Info has masking clashes. Just print the event type, but also include the event info of the AER result in the trace. Fixes: 09bd1ff4b15143b ("nvme-core: add async event trace helper") Reported-by: Nate Thornton <nate.thornton@samsung.com> Reviewed-by: Sagi Grimberg <sag...
```diff diff --git a/drivers/nvme/host/core.c b/drivers/nvme/host/core.c index c2730b116dc6..0699365461f4 100644 --- a/drivers/nvme/host/core.c +++ b/drivers/nvme/host/core.c @@ -4808,8 +4808,6 @@ static bool nvme_handle_aen_notice(struct nvme_ctrl *ctrl, u32 result) u32 aer_notice_type = nvme_aer_subtype(result); ...
2f17f42c7f52a34abff2c92766806b58ea142c23
Analyze and fix the following issue in the Linux kernel code: nvmet: fix Identify Identification Descriptor List handling
Problem Details: The Identification Descriptor List CNS value does not check the CSI value, so remove the code trying to handle it. Signed-off-by: Christoph Hellwig <hch@lst.de> Reviewed-by: Sagi Grimberg <sagi@grimberg.me> Reviewed-by: Damien Le Moal <damien.lemoal@opensource.wdc.com>
```diff diff --git a/drivers/nvme/target/admin-cmd.c b/drivers/nvme/target/admin-cmd.c index 3c4f2ddc0960..c0908031ce25 100644 --- a/drivers/nvme/target/admin-cmd.c +++ b/drivers/nvme/target/admin-cmd.c @@ -668,23 +668,6 @@ out: nvmet_req_complete(req, status); } -static bool nvmet_handle_identify_desclist(struct ...
a5a6ab0950b46ab1ef4a5c83c80234018b81b38a
Analyze and fix the following issue in the Linux kernel code: nvmet: fix I/O Command Set specific Identify Controller
Problem Details: For an identify command with cns set to NVME_ID_CNS_CS_CTRL, the NVMe 2.0 specification states that: If the I/O Command Set specified by the CSI field does not have an Identify Controller data structure, then the controller shall return a zero filled data structure. If the host requests a data structu...
```diff diff --git a/drivers/nvme/target/admin-cmd.c b/drivers/nvme/target/admin-cmd.c index 93c441ab9f09..5bfbf5c651db 100644 --- a/drivers/nvme/target/admin-cmd.c +++ b/drivers/nvme/target/admin-cmd.c @@ -685,6 +685,13 @@ static bool nvmet_handle_identify_desclist(struct nvmet_req *req) } } +static void nvmet_ex...
97416f67d55fb8b866ff1815ca7ef26b6dfa6a5e
Analyze and fix the following issue in the Linux kernel code: nvmet: fix Identify Active Namespace ID list handling
Problem Details: The identify command with cns set to NVME_ID_CNS_NS_ACTIVE_LIST does not depend on the command set. The execution of this command should thus not look at the csi field specified in the command. Simplify nvmet_execute_identify() to directly call nvmet_execute_identify_nslist() without the csi switch-cas...
```diff diff --git a/drivers/nvme/target/admin-cmd.c b/drivers/nvme/target/admin-cmd.c index a747c69074da..93c441ab9f09 100644 --- a/drivers/nvme/target/admin-cmd.c +++ b/drivers/nvme/target/admin-cmd.c @@ -718,13 +718,8 @@ static void nvmet_execute_identify(struct nvmet_req *req) } break; case NVME_ID_CNS_NS_A...
62904b3b333e7f3c0f879dc3513295eee5765c9f
Analyze and fix the following issue in the Linux kernel code: nvmet: fix Identify Controller handling
Problem Details: The identify command with cns set to NVME_ID_CNS_CTRL does not depend on the command set. The execution of this command should thus not look at the csi specified in the command. Simplify nvmet_execute_identify() to directly call nvmet_execute_identify_ctrl() without the csi switch-case. Fixes: ab5d0b3...
```diff diff --git a/drivers/nvme/target/admin-cmd.c b/drivers/nvme/target/admin-cmd.c index a982f925dfce..a747c69074da 100644 --- a/drivers/nvme/target/admin-cmd.c +++ b/drivers/nvme/target/admin-cmd.c @@ -705,11 +705,8 @@ static void nvmet_execute_identify(struct nvmet_req *req) } break; case NVME_ID_CNS_CTRL...
8c098aa00118c35108f0c19bd3cdc45e11574948
Analyze and fix the following issue in the Linux kernel code: nvmet: fix Identify Namespace handling
Problem Details: The identify command with cns set to NVME_ID_CNS_NS does not directly depend on the command set. The NVMe specifications is rather confusing here as it appears that this command only applies to the NVM command set. However, footnote 8 of Figure 273 in the NVMe 2.0 base specifications clearly state that...
```diff diff --git a/drivers/nvme/target/admin-cmd.c b/drivers/nvme/target/admin-cmd.c index 80099df37314..a982f925dfce 100644 --- a/drivers/nvme/target/admin-cmd.c +++ b/drivers/nvme/target/admin-cmd.c @@ -692,13 +692,8 @@ static void nvmet_execute_identify(struct nvmet_req *req) switch (req->cmd->identify.cns) { ...
ab76e7206b672b2e8818cb121a04506956d6b223
Analyze and fix the following issue in the Linux kernel code: nvmet: fix error handling in nvmet_execute_identify_cns_cs_ns()
Problem Details: Nvme specifications state that: If the I/O Command Set associated with the namespace identified by the NSID field does not support the Identify Namespace data structure specified by the CSI field, the controller shall abort the command with a status code of Invalid Field in Command. In other words, i...
```diff diff --git a/drivers/nvme/target/zns.c b/drivers/nvme/target/zns.c index 7e4292d88016..77ef0a86ff61 100644 --- a/drivers/nvme/target/zns.c +++ b/drivers/nvme/target/zns.c @@ -97,7 +97,7 @@ out: void nvmet_execute_identify_cns_cs_ns(struct nvmet_req *req) { - struct nvme_id_ns_zns *id_zns; + struct nvme_id_n...
318e431b306e966d2ee99e900a11bdc9a701ee83
Analyze and fix the following issue in the Linux kernel code: drm/amdgpu: Enable IH retry CAM on GFX9
Problem Details: This patch enables the IH retry CAM on GFX9 series cards. This retry filter is used to prevent sending lots of retry interrupts in a short span of time and overflowing the IH ring buffer. This will also help reduce CPU interrupt workload. Signed-off-by: Mukul Joshi <mukul.joshi@amd.com> Reviewed-by: F...
```diff diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_irq.h b/drivers/gpu/drm/amd/amdgpu/amdgpu_irq.h index e9f2c11ea416..be243adf3e65 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_irq.h +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_irq.h @@ -98,6 +98,8 @@ struct amdgpu_irq { struct irq_domain *domain; /* GPU irq contro...
e69c373c3f0c1888b4b758e37d05e2e7b76585f2
Analyze and fix the following issue in the Linux kernel code: drm/amd/pm: remove unused num_of_active_display variable
Problem Details: clang with W=1 reports drivers/gpu/drm/amd/amdgpu/../pm/swsmu/amdgpu_smu.c:1700:6: error: variable 'num_of_active_display' set but not used [-Werror,-Wunused-but-set-variable] int num_of_active_display = 0; ^ This variable is not used so remove it. Fixes: 75145aab7a0d ("drm/amdgp...
```diff diff --git a/drivers/gpu/drm/amd/pm/swsmu/amdgpu_smu.c b/drivers/gpu/drm/amd/pm/swsmu/amdgpu_smu.c index 056ac2b512eb..5633c5797e85 100644 --- a/drivers/gpu/drm/amd/pm/swsmu/amdgpu_smu.c +++ b/drivers/gpu/drm/amd/pm/swsmu/amdgpu_smu.c @@ -1712,8 +1712,6 @@ static int smu_display_configuration_change(void *handl...
9c60f2a4446cae273c62bbe865e141c4be816552
Analyze and fix the following issue in the Linux kernel code: net: thunderbolt: Fix typos in comments
Problem Details: Fix two typos in comments: blongs -> belongs UPD -> UDP No functional changes. Signed-off-by: Mika Westerberg <mika.westerberg@linux.intel.com> Reviewed-by: Simon Horman <simon.horman@corigine.com> Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com> Signed-off-by: Jakub Kicinski <ku...
```diff diff --git a/drivers/net/thunderbolt/main.c b/drivers/net/thunderbolt/main.c index 6a43ced74881..0c1e8970ee58 100644 --- a/drivers/net/thunderbolt/main.c +++ b/drivers/net/thunderbolt/main.c @@ -148,7 +148,7 @@ struct tbnet_ring { /** * struct tbnet - ThunderboltIP network driver private data * @svc: XDoma...
5bbec0adfa03899cbf91ba99d4fdb4975d30a631
Analyze and fix the following issue in the Linux kernel code: net: thunderbolt: Fix sparse warnings in tbnet_xmit_csum_and_map()
Problem Details: Fixes the following warning when the driver is built with sparse checks enabled: main.c:993:23: warning: incorrect type in initializer (different base types) main.c:993:23: expected restricted __wsum [usertype] wsum main.c:993:23: got restricted __be32 [usertype] No functional changes intended....
```diff diff --git a/drivers/net/thunderbolt/main.c b/drivers/net/thunderbolt/main.c index 27f8573a2b6e..6a43ced74881 100644 --- a/drivers/net/thunderbolt/main.c +++ b/drivers/net/thunderbolt/main.c @@ -991,8 +991,10 @@ static bool tbnet_xmit_csum_and_map(struct tbnet *net, struct sk_buff *skb, { struct thunderbolt_...
185367221503f6bc4745d944ed372c9dfef99fa2
Analyze and fix the following issue in the Linux kernel code: net: thunderbolt: Fix sparse warnings in tbnet_check_frame() and tbnet_poll()
Problem Details: Fixes the following warnings when the driver is built with sparse checks enabled: main.c:767:47: warning: restricted __le32 degrades to integer main.c:775:47: warning: restricted __le16 degrades to integer main.c:776:44: warning: restricted __le16 degrades to integer main.c:876:40: warning: incorrect ...
```diff diff --git a/drivers/net/thunderbolt/main.c b/drivers/net/thunderbolt/main.c index 26ef3706445e..27f8573a2b6e 100644 --- a/drivers/net/thunderbolt/main.c +++ b/drivers/net/thunderbolt/main.c @@ -764,7 +764,7 @@ static bool tbnet_check_frame(struct tbnet *net, const struct tbnet_frame *tf, */ if (net->skb &...
59d3efd27c11c59b32291e5ebc307bed2edb65ee
Analyze and fix the following issue in the Linux kernel code: rtnetlink: Restore RTM_NEW/DELLINK notification behavior
Problem Details: The commits referenced below allows userspace to use the NLM_F_ECHO flag for RTM_NEW/DELLINK operations to receive unicast notifications for the affected link. Prior to these changes, applications may have relied on multicast notifications to learn the same information without specifying the NLM_F_ECHO...
```diff diff --git a/include/linux/rtnetlink.h b/include/linux/rtnetlink.h index 92ad75549e9c..b6e6378dcbbd 100644 --- a/include/linux/rtnetlink.h +++ b/include/linux/rtnetlink.h @@ -25,7 +25,8 @@ void rtmsg_ifinfo_newnet(int type, struct net_device *dev, unsigned int change, struct sk_buff *rtmsg_ifinfo_build_skb(int...
d94772154e524b329a168678836745d2773a6e02
Analyze and fix the following issue in the Linux kernel code: f2fs: fix potential corruption when moving a directory
Problem Details: F2FS has the same issue in ext4_rename causing crash revealed by xfstests/generic/707. See also commit 0813299c586b ("ext4: Fix possible corruption when moving a directory") CC: stable@vger.kernel.org Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
```diff diff --git a/fs/f2fs/namei.c b/fs/f2fs/namei.c index ad597b417fea..77a71276ecb1 100644 --- a/fs/f2fs/namei.c +++ b/fs/f2fs/namei.c @@ -995,12 +995,20 @@ static int f2fs_rename(struct mnt_idmap *idmap, struct inode *old_dir, goto out; } + /* + * Copied from ext4_rename: we need to protect against old.in...
e1bb7d3d9cbf3ddcb8367d87b2f70757ec55f951
Analyze and fix the following issue in the Linux kernel code: f2fs: fix to recover quota data correctly
Problem Details: With -O quota mkfs option, xfstests generic/417 fails due to fsck detects data corruption on quota inodes. [ASSERT] (fsck_chk_quota_files:2051) --> Quota file is missing or invalid quota file content found. The root cause is there is a hole f2fs doesn't hold quota inodes, so all recovered quota data...
```diff diff --git a/fs/f2fs/checkpoint.c b/fs/f2fs/checkpoint.c index ec7a06035490..19e2cfe3b5be 100644 --- a/fs/f2fs/checkpoint.c +++ b/fs/f2fs/checkpoint.c @@ -713,11 +713,7 @@ err_out: int f2fs_recover_orphan_inodes(struct f2fs_sb_info *sbi) { block_t start_blk, orphan_blocks, i, j; - unsigned int s_flags = sbi...
d78dfefcde9d311284434560d69c0478c55a657e
Analyze and fix the following issue in the Linux kernel code: f2fs: fix to check readonly condition correctly
Problem Details: With below case, it can mount multi-device image w/ rw option, however one of secondary device is set as ro, later update will cause panic, so let's introduce f2fs_dev_is_readonly(), and check multi-devices rw status in f2fs_remount() w/ it in order to avoid such inconsistent mount status. mkfs.f2fs -...
```diff diff --git a/fs/f2fs/f2fs.h b/fs/f2fs/f2fs.h index 68eadc1ac130..30e31bb5c2ce 100644 --- a/fs/f2fs/f2fs.h +++ b/fs/f2fs/f2fs.h @@ -4430,6 +4430,11 @@ static inline bool f2fs_hw_is_readonly(struct f2fs_sb_info *sbi) return false; } +static inline bool f2fs_dev_is_readonly(struct f2fs_sb_info *sbi) +{ + retu...
6fd257cb35e8478ed551324ccf7c13723e654fcc
Analyze and fix the following issue in the Linux kernel code: f2fs: fix to keep consistent i_gc_rwsem lock order
Problem Details: i_gc_rwsem[WRITE] and i_gc_rwsem[READ] lock order is reversed in gc_data_segment() and f2fs_dio_write_iter(), fix to keep consistent lock order as below: 1. lock i_gc_rwsem[WRITE] 2. lock i_gc_rwsem[READ] Signed-off-by: Chao Yu <chao@kernel.org> Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
```diff diff --git a/fs/f2fs/gc.c b/fs/f2fs/gc.c index 56c53dbe05c9..c748cdfb0501 100644 --- a/fs/f2fs/gc.c +++ b/fs/f2fs/gc.c @@ -1616,14 +1616,14 @@ next_step: int err; if (S_ISREG(inode->i_mode)) { - if (!f2fs_down_write_trylock(&fi->i_gc_rwsem[READ])) { + if (!f2fs_down_write_trylock(&fi->i_gc_rwsem...
d319f344561de23e810515d109c7278919bff7b0
Analyze and fix the following issue in the Linux kernel code: mm: Fix copy_from_user_nofault().
Problem Details: There are several issues with copy_from_user_nofault(): - access_ok() is designed for user context only and for that reason it has WARN_ON_IN_IRQ() which triggers when bpf, kprobe, eprobe and perf on ppc are calling it from irq. - it's missing nmi_uaccess_okay() which is a nop on all architectures ex...
```diff diff --git a/mm/maccess.c b/mm/maccess.c index 074f6b086671..518a25667323 100644 --- a/mm/maccess.c +++ b/mm/maccess.c @@ -5,6 +5,7 @@ #include <linux/export.h> #include <linux/mm.h> #include <linux/uaccess.h> +#include <asm/tlb.h> bool __weak copy_from_kernel_nofault_allowed(const void *unsafe_src, si...
4ce1f694eb5d8ca607fed8542d32a33b4f1217a5
Analyze and fix the following issue in the Linux kernel code: selinux: ensure av_permissions.h is built when needed
Problem Details: The Makefile rule responsible for building flask.h and av_permissions.h only lists flask.h as a target which means that av_permissions.h is only generated when flask.h needs to be generated. This patch fixes this by adding av_permissions.h as a target to the rule. Fixes: 8753f6bec352 ("selinux: gener...
```diff diff --git a/security/selinux/Makefile b/security/selinux/Makefile index 103c2776478a..0aecf9334ec3 100644 --- a/security/selinux/Makefile +++ b/security/selinux/Makefile @@ -26,5 +26,5 @@ quiet_cmd_flask = GEN $(obj)/flask.h $(obj)/av_permissions.h cmd_flask = $< $(obj)/flask.h $(obj)/av_permissions...
ed17aa92dc56b6d8883e4b7a8f1c6fbf5ed6cd29
Analyze and fix the following issue in the Linux kernel code: bpf, sockmap: fix deadlocks in the sockhash and sockmap
Problem Details: When huang uses sched_switch tracepoint, the tracepoint does only one thing in the mounted ebpf program, which deletes the fixed elements in sockhash ([0]) It seems that elements in sockhash are rarely actively deleted by users or ebpf program. Therefore, we do not pay much attention to their deletion...
```diff diff --git a/net/core/sock_map.c b/net/core/sock_map.c index 7c189c2e2fbf..66305b7bf8b7 100644 --- a/net/core/sock_map.c +++ b/net/core/sock_map.c @@ -414,8 +414,9 @@ static int __sock_map_delete(struct bpf_stab *stab, struct sock *sk_test, { struct sock *sk; int err = 0; + unsigned long flags; - raw_spi...
4453deacf44615b2d45a0b5226ff132e830bd03d
Analyze and fix the following issue in the Linux kernel code: perf sched: Fix sched latency analysis incorrection when using 'sched:sched_wakeup'
Problem Details: 'perf sched latency' is incorrect to get process schedule latency when it used 'sched:sched_wakeup' to analysis perf.data. Because 'perf record' prefers to use 'sched:sched_waking' to 'sched:sched_wakeup' since commit d566a9c2d482 ("perf sched: Prefer sched_waking event when it exists"). It's very rea...
```diff diff --git a/tools/perf/builtin-sched.c b/tools/perf/builtin-sched.c index 96a0dceadeff..cc4ba506e119 100644 --- a/tools/perf/builtin-sched.c +++ b/tools/perf/builtin-sched.c @@ -1516,6 +1516,14 @@ static int process_sched_wakeup_event(struct perf_tool *tool, return 0; } +static int process_sched_wakeup_ig...
bd66b6acd20ba72d1779fa1abe55eb0fcc20f2c3
Analyze and fix the following issue in the Linux kernel code: iio: imu: lsm6dsx: Support SMO8B30 ACPI ID for LSM6DS3TR-C
Problem Details: ID seen in the wild and it is a valid ST micro ID. An offset of 1 for the device ID enum is needed when adding support for retrieving the ID from device_get_match_data() to allow detection of NULL pointer and fallback to i2c_device_id table. DSDT chunk cropped for relevant parts. Scope (_SB.PCI0.I...
```diff diff --git a/drivers/iio/imu/st_lsm6dsx/st_lsm6dsx.h b/drivers/iio/imu/st_lsm6dsx/st_lsm6dsx.h index 9dfe4917a386..c19237717e81 100644 --- a/drivers/iio/imu/st_lsm6dsx/st_lsm6dsx.h +++ b/drivers/iio/imu/st_lsm6dsx/st_lsm6dsx.h @@ -40,7 +40,7 @@ #define ST_ASM330LHB_DEV_NAME "asm330lhb" enum st_lsm6dsx_hw_id...
e3a0877e7e66b465588f6262680437024edccb9f
Analyze and fix the following issue in the Linux kernel code: MAINTAINERS: Update wpan tree
Problem Details: The wpan maintainers group is switching from Stefan's tree to a group tree called 'wpan'. We will now maintain: * wpan/wpan.git master: Fixes targeting the 'net' tree * wpan/wpan-next.git master: Features targeting the 'net-next' tree * wpan/wpan-next.git staging: Same as the wpan-next master bra...
```diff diff --git a/MAINTAINERS b/MAINTAINERS index 3bc692d65328..5087b97d8c77 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -9890,8 +9890,8 @@ M: Miquel Raynal <miquel.raynal@bootlin.com> L: linux-wpan@vger.kernel.org S: Maintained W: https://linux-wpan.org/ -T: git git://git.kernel.org/pub/scm/linux/kernel/git/ss...
a61675294735570daca3779bd1dbb3715f7232bd
Analyze and fix the following issue in the Linux kernel code: ieee802154: hwsim: Fix possible memory leaks
Problem Details: After replacing e->info, it is necessary to free the old einfo. Fixes: f25da51fdc38 ("ieee802154: hwsim: add replacement for fakelb") Reviewed-by: Miquel Raynal <miquel.raynal@bootlin.com> Reviewed-by: Alexander Aring <aahringo@redhat.com> Signed-off-by: Chen Aotian <chenaotian2@163.com> Link: https:/...
```diff diff --git a/drivers/net/ieee802154/mac802154_hwsim.c b/drivers/net/ieee802154/mac802154_hwsim.c index 8445c2189d11..31cba9aa7636 100644 --- a/drivers/net/ieee802154/mac802154_hwsim.c +++ b/drivers/net/ieee802154/mac802154_hwsim.c @@ -685,7 +685,7 @@ static int hwsim_del_edge_nl(struct sk_buff *msg, struct genl...