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98647df0178df215b8239c5c365537283b2852a6
Analyze and fix the following issue in the Linux kernel code: RDMA/bnxt_re: Return more meaningful error
Problem Details: When the HWRM command fails, driver currently returns -EFAULT(Bad address). This does not look correct. Modified to return -EIO(I/O error). Fixes: cc1ec769b87c ("RDMA/bnxt_re: Fixing the Control path command and response handling") Fixes: 65288a22ddd8 ("RDMA/bnxt_re: use shadow qd while posting non b...
```diff diff --git a/drivers/infiniband/hw/bnxt_re/qplib_rcfw.c b/drivers/infiniband/hw/bnxt_re/qplib_rcfw.c index 3ffaef0c2651..7294221b3316 100644 --- a/drivers/infiniband/hw/bnxt_re/qplib_rcfw.c +++ b/drivers/infiniband/hw/bnxt_re/qplib_rcfw.c @@ -525,7 +525,7 @@ static int __bnxt_qplib_rcfw_send_message(struct bnxt...
87b4d8d28f6af8fc62766a8af7a5467b37053dfa
Analyze and fix the following issue in the Linux kernel code: RDMA/bnxt_re: Fix incorrect dereference of srq in async event
Problem Details: Currently driver is not getting correct srq. Dereference only if qplib has a valid srq. Fixes: b02fd3f79ec3 ("RDMA/bnxt_re: Report async events and errors") Link: https://patch.msgid.link/r/1728373302-19530-4-git-send-email-selvin.xavier@broadcom.com Reviewed-by: Saravanan Vajravel <saravanan.vajravel...
```diff diff --git a/drivers/infiniband/hw/bnxt_re/main.c b/drivers/infiniband/hw/bnxt_re/main.c index 686e405f22b4..dd39948c016c 100644 --- a/drivers/infiniband/hw/bnxt_re/main.c +++ b/drivers/infiniband/hw/bnxt_re/main.c @@ -1028,12 +1028,15 @@ static int bnxt_re_handle_unaffi_async_event(struct creq_func_event stat...
a9e6e7443922ac0a48243c35d03834c96926bff1
Analyze and fix the following issue in the Linux kernel code: RDMA/bnxt_re: Fix out of bound check
Problem Details: Driver exports pacing stats only on GenP5 and P7 adapters. But while parsing the pacing stats, driver has a check for "rdev->dbr_pacing". This caused a trace when KASAN is enabled. BUG: KASAN: slab-out-of-bounds in bnxt_re_get_hw_stats+0x2b6a/0x2e00 [bnxt_re] Write of size 8 at addr ffff8885942a6340 ...
```diff diff --git a/drivers/infiniband/hw/bnxt_re/hw_counters.c b/drivers/infiniband/hw/bnxt_re/hw_counters.c index 128651c01595..1e63f8091748 100644 --- a/drivers/infiniband/hw/bnxt_re/hw_counters.c +++ b/drivers/infiniband/hw/bnxt_re/hw_counters.c @@ -366,7 +366,7 @@ int bnxt_re_ib_get_hw_stats(struct ib_device *ibd...
ac6df53738b465053d38d491fff87bd7d37fdc07
Analyze and fix the following issue in the Linux kernel code: RDMA/bnxt_re: Fix the max CQ WQEs for older adapters
Problem Details: Older adapters doesn't support the MAX CQ WQEs reported by older FW. So restrict the value reported to 1M always for older adapters. Fixes: 1ac5a4047975 ("RDMA/bnxt_re: Add bnxt_re RoCE driver") Link: https://patch.msgid.link/r/1728373302-19530-2-git-send-email-selvin.xavier@broadcom.com Signed-off-by...
```diff diff --git a/drivers/infiniband/hw/bnxt_re/qplib_sp.c b/drivers/infiniband/hw/bnxt_re/qplib_sp.c index 4f75e7e5bcf7..32c1cc79bd68 100644 --- a/drivers/infiniband/hw/bnxt_re/qplib_sp.c +++ b/drivers/infiniband/hw/bnxt_re/qplib_sp.c @@ -140,6 +140,8 @@ int bnxt_qplib_get_dev_attr(struct bnxt_qplib_rcfw *rcfw, ...
174714f0e505070a16be6fbede30d32b81df789f
Analyze and fix the following issue in the Linux kernel code: selftests: drivers: net: fix name not defined
Problem Details: This fix solves this error, when calling kselftest with targets "drivers/net": File "tools/testing/selftests/net/lib/py/nsim.py", line 64, in __init__ if e.errno == errno.ENOSPC: NameError: name 'errno' is not defined The error was found by running tests manually with the command: make kselftest TA...
```diff diff --git a/tools/testing/selftests/net/lib/py/nsim.py b/tools/testing/selftests/net/lib/py/nsim.py index f571a8b3139b..1a8cbe9acc48 100644 --- a/tools/testing/selftests/net/lib/py/nsim.py +++ b/tools/testing/selftests/net/lib/py/nsim.py @@ -1,5 +1,6 @@ # SPDX-License-Identifier: GPL-2.0 +import errno impo...
6ea8a1c28fd36179fc66e088060b11515c8508b7
Analyze and fix the following issue in the Linux kernel code: selftests: net/rds: add module not found
Problem Details: This fix solves this error, when calling kselftest with targets "net/rds": The error was found by running tests manually with the command: make kselftest TARGETS="net/rds" The patch also specifies to import ip() function from the utils module. Signed-off-by: Alessandro Zanni <alessandro.zanni87@gmai...
```diff diff --git a/tools/testing/selftests/net/rds/test.py b/tools/testing/selftests/net/rds/test.py index e6bb109bcead..4a7178d11193 100755 --- a/tools/testing/selftests/net/rds/test.py +++ b/tools/testing/selftests/net/rds/test.py @@ -14,8 +14,11 @@ import sys import atexit from pwd import getpwuid from os impor...
1d7b2ce43d2c22a21dadaf689cb36a69570346a6
Analyze and fix the following issue in the Linux kernel code: net: enetc: add missing static descriptor and inline keyword
Problem Details: Fix the build warnings when CONFIG_FSL_ENETC_MDIO is not enabled. The detailed warnings are shown as follows. include/linux/fsl/enetc_mdio.h:62:18: warning: no previous prototype for function 'enetc_hw_alloc' [-Wmissing-prototypes] 62 | struct enetc_hw *enetc_hw_alloc(struct device *dev, void __...
```diff diff --git a/include/linux/fsl/enetc_mdio.h b/include/linux/fsl/enetc_mdio.h index df25fffdc0ae..623ccfcbf39c 100644 --- a/include/linux/fsl/enetc_mdio.h +++ b/include/linux/fsl/enetc_mdio.h @@ -59,7 +59,8 @@ static inline int enetc_mdio_read_c45(struct mii_bus *bus, int phy_id, static inline int enetc_mdio_wr...
b8b1163248759ba18509f7443a2d19b15b4c1df8
Analyze and fix the following issue in the Linux kernel code: drm/xe: Use bookkeep slots for external BO's in exec IOCTL
Problem Details: Fix external BO's dma-resv usage in exec IOCTL using bookkeep slots rather than write slots. This leaves syncing to user space rather than the KMD blindly enforcing write semantics on every external BO. Fixes: dd08ebf6c352 ("drm/xe: Introduce a new DRM driver for Intel GPUs") Cc: José Roberto de Souza...
```diff diff --git a/drivers/gpu/drm/xe/xe_exec.c b/drivers/gpu/drm/xe/xe_exec.c index 7b38485817dc..f23ac1e2ed88 100644 --- a/drivers/gpu/drm/xe/xe_exec.c +++ b/drivers/gpu/drm/xe/xe_exec.c @@ -41,11 +41,6 @@ * user knows an exec writes to a BO and reads from the BO in the next exec, it * is the user's responsibil...
ea2f6a77d0c40d97f4a4dc93fee4afe15d94926d
Analyze and fix the following issue in the Linux kernel code: drm/xe: Don't free job in TDR
Problem Details: Freeing job in TDR is not safe as TDR can pass the run_job thread resulting in UAF. It is only safe for free job to naturally be called by the scheduler. Rather free job in TDR, add to pending list. Closes: https://gitlab.freedesktop.org/drm/xe/kernel/-/issues/2811 Cc: Matthew Auld <matthew.auld@intel...
```diff diff --git a/drivers/gpu/drm/xe/xe_guc_submit.c b/drivers/gpu/drm/xe/xe_guc_submit.c index c1ebc693a617..0e5649b394b6 100644 --- a/drivers/gpu/drm/xe/xe_guc_submit.c +++ b/drivers/gpu/drm/xe/xe_guc_submit.c @@ -1105,10 +1105,13 @@ guc_exec_queue_timedout_job(struct drm_sched_job *drm_job) /* * TDR has fi...
90521df5fc43980e4575bd8c5b1cb62afe1a9f5f
Analyze and fix the following issue in the Linux kernel code: drm/xe: Take job list lock in xe_sched_add_pending_job
Problem Details: A fragile micro optimization in xe_sched_add_pending_job relied on both the GPU scheduler being stopped and fence signaling stopped to safely add a job to the pending list without the job list lock in xe_sched_add_pending_job. Remove this optimization and just take the job list lock. Fixes: 7ddb9403dd...
```diff diff --git a/drivers/gpu/drm/xe/xe_gpu_scheduler.h b/drivers/gpu/drm/xe/xe_gpu_scheduler.h index 5ad5629a6c60..64b2ae6839db 100644 --- a/drivers/gpu/drm/xe/xe_gpu_scheduler.h +++ b/drivers/gpu/drm/xe/xe_gpu_scheduler.h @@ -63,7 +63,9 @@ xe_sched_invalidate_job(struct xe_sched_job *job, int threshold) static in...
6b58fadd44aafbbd6af5f0b965063e1fd2063992
Analyze and fix the following issue in the Linux kernel code: net: enetc: disable NAPI after all rings are disabled
Problem Details: When running "xdp-bench tx eno0" to test the XDP_TX feature of ENETC on LS1028A, it was found that if the command was re-run multiple times, Rx could not receive the frames, and the result of xdp-bench showed that the rx rate was 0. root@ls1028ardb:~# ./xdp-bench tx eno0 Hairpinning (XDP_TX) packets o...
```diff diff --git a/drivers/net/ethernet/freescale/enetc/enetc.c b/drivers/net/ethernet/freescale/enetc/enetc.c index 52da10f62430..c09370eab319 100644 --- a/drivers/net/ethernet/freescale/enetc/enetc.c +++ b/drivers/net/ethernet/freescale/enetc/enetc.c @@ -2474,8 +2474,6 @@ void enetc_start(struct net_device *ndev) ...
0a93f2ca4be6c4616d371f18a3fabad2df7f8d55
Analyze and fix the following issue in the Linux kernel code: net: enetc: disable Tx BD rings after they are empty
Problem Details: The Tx BD rings are disabled first in enetc_stop() and the driver waits for them to become empty. This operation is not safe while the ring is actively transmitting frames, and will cause the ring to not be empty and hardware exception. As described in the NETC block guide, software should only disable...
```diff diff --git a/drivers/net/ethernet/freescale/enetc/enetc.c b/drivers/net/ethernet/freescale/enetc/enetc.c index 482c44ed9d46..52da10f62430 100644 --- a/drivers/net/ethernet/freescale/enetc/enetc.c +++ b/drivers/net/ethernet/freescale/enetc/enetc.c @@ -2233,18 +2233,24 @@ static void enetc_enable_rxbdr(struct ene...
c728a95ccf2a8ba544facfc30a4418d4c68c39f0
Analyze and fix the following issue in the Linux kernel code: net: enetc: block concurrent XDP transmissions during ring reconfiguration
Problem Details: When testing the XDP_REDIRECT function on the LS1028A platform, we found a very reproducible issue that the Tx frames can no longer be sent out even if XDP_REDIRECT is turned off. Specifically, if there is a lot of traffic on Rx direction, when XDP_REDIRECT is turned on, the console may display some wa...
```diff diff --git a/drivers/net/ethernet/freescale/enetc/enetc.c b/drivers/net/ethernet/freescale/enetc/enetc.c index 56e59721ec7d..482c44ed9d46 100644 --- a/drivers/net/ethernet/freescale/enetc/enetc.c +++ b/drivers/net/ethernet/freescale/enetc/enetc.c @@ -902,6 +902,7 @@ static bool enetc_clean_tx_ring(struct enetc_...
412950d5746f7aa139e14fe95338694c1f09b595
Analyze and fix the following issue in the Linux kernel code: net: enetc: remove xdp_drops statistic from enetc_xdp_drop()
Problem Details: The xdp_drops statistic indicates the number of XDP frames dropped in the Rx direction. However, enetc_xdp_drop() is also used in XDP_TX and XDP_REDIRECT actions. If frame loss occurs in these two actions, the frames loss count should not be included in xdp_drops, because there are already xdp_tx_drops...
```diff diff --git a/drivers/net/ethernet/freescale/enetc/enetc.c b/drivers/net/ethernet/freescale/enetc/enetc.c index 032d8eadd003..56e59721ec7d 100644 --- a/drivers/net/ethernet/freescale/enetc/enetc.c +++ b/drivers/net/ethernet/freescale/enetc/enetc.c @@ -1521,7 +1521,6 @@ static void enetc_xdp_drop(struct enetc_bdr...
2cf567f421dbfe7e53b7e5ddee9400da10efb75d
Analyze and fix the following issue in the Linux kernel code: netdevsim: copy addresses for both in and out paths
Problem Details: The current code only copies the address for the in path, leaving the out path address set to 0. This patch corrects the issue by copying the addresses for both the in and out paths. Before this patch: # cat /sys/kernel/debug/netdevsim/netdevsim0/ports/0/ipsec SA count=2 tx=20 sa[0] tx ipaddr=0....
```diff diff --git a/drivers/net/netdevsim/ipsec.c b/drivers/net/netdevsim/ipsec.c index 102b0955eb04..88187dd4eb2d 100644 --- a/drivers/net/netdevsim/ipsec.c +++ b/drivers/net/netdevsim/ipsec.c @@ -180,14 +180,13 @@ static int nsim_ipsec_add_sa(struct xfrm_state *xs, return ret; } - if (xs->xso.dir == XFRM_DEV_...
c71bc6da6198a6d88df86094f1052bb581951d65
Analyze and fix the following issue in the Linux kernel code: netdevsim: print human readable IP address
Problem Details: Currently, IPSec addresses are printed in hexadecimal format, which is not user-friendly. e.g. # cat /sys/kernel/debug/netdevsim/netdevsim0/ports/0/ipsec SA count=2 tx=20 sa[0] rx ipaddr=0x00000000 00000000 00000000 0100a8c0 sa[0] spi=0x00000101 proto=0x32 salt=0x0adecc3a crypt=1 sa[0] ...
```diff diff --git a/drivers/net/netdevsim/ipsec.c b/drivers/net/netdevsim/ipsec.c index f0d58092e7e9..102b0955eb04 100644 --- a/drivers/net/netdevsim/ipsec.c +++ b/drivers/net/netdevsim/ipsec.c @@ -39,10 +39,14 @@ static ssize_t nsim_dbg_netdev_ops_read(struct file *filp, if (!sap->used) continue; - p += scn...
5e7e69baaded70256fbf22391e30d17c089fa5c9
Analyze and fix the following issue in the Linux kernel code: net: dsa: mv88e6xxx: Fix uninitialised err value
Problem Details: The err value in mv88e6xxx_region_atu_snapshot is now potentially uninitialised on return. Initialise err as 0. Fixes: ada5c3229b32 ("net: dsa: mv88e6xxx: Add FID map cache") Signed-off-by: Aryan Srivastava <aryan.srivastava@alliedtelesis.co.nz> Reviewed-by: Andrew Lunn <andrew@lunn.ch> Link: https://...
```diff diff --git a/drivers/net/dsa/mv88e6xxx/devlink.c b/drivers/net/dsa/mv88e6xxx/devlink.c index ef3643bc43db..795c8df7b6a7 100644 --- a/drivers/net/dsa/mv88e6xxx/devlink.c +++ b/drivers/net/dsa/mv88e6xxx/devlink.c @@ -376,7 +376,7 @@ static int mv88e6xxx_region_atu_snapshot(struct devlink *dl, struct dsa_switch ...
8a6be4bd6fb319cee63d228e37c8dda5fd1eb74a
Analyze and fix the following issue in the Linux kernel code: net: sparx5: fix source port register when mirroring
Problem Details: When port mirroring is added to a port, the bit position of the source port, needs to be written to the register ANA_AC_PROBE_PORT_CFG. This register is replicated for n_ports > 32, and therefore we need to derive the correct register from the port number. Before this patch, we wrongly calculate the ...
```diff diff --git a/drivers/net/ethernet/microchip/sparx5/sparx5_mirror.c b/drivers/net/ethernet/microchip/sparx5/sparx5_mirror.c index 15db423be4aa..459a53676ae9 100644 --- a/drivers/net/ethernet/microchip/sparx5/sparx5_mirror.c +++ b/drivers/net/ethernet/microchip/sparx5/sparx5_mirror.c @@ -31,10 +31,10 @@ static u6...
22600596b6756b166fd052d5facb66287e6f0bad
Analyze and fix the following issue in the Linux kernel code: ipv4: give an IPv4 dev to blackhole_netdev
Problem Details: After commit 8d7017fd621d ("blackhole_netdev: use blackhole_netdev to invalidate dst entries"), blackhole_netdev was introduced to invalidate dst cache entries on the TX path whenever the cache times out or is flushed. When two UDP sockets (sk1 and sk2) send messages to the same destination simultaneo...
```diff diff --git a/net/ipv4/devinet.c b/net/ipv4/devinet.c index ab76744383cf..7cf5f7d0d0de 100644 --- a/net/ipv4/devinet.c +++ b/net/ipv4/devinet.c @@ -298,17 +298,19 @@ static struct in_device *inetdev_init(struct net_device *dev) /* Account for reference dev->ip_ptr (below) */ refcount_set(&in_dev->refcnt, 1);...
4ee5ca9a29384fcf3f18232fdf8474166dea8dca
Analyze and fix the following issue in the Linux kernel code: ftrace/selftest: Test combination of function_graph tracer and function profiler
Problem Details: Masami reported a bug when running function graph tracing then the function profiler. The following commands would cause a kernel crash: # cd /sys/kernel/tracing/ # echo function_graph > current_tracer # echo 1 > function_profile_enabled In that order. Create a test to test this two to make sur...
```diff diff --git a/tools/testing/selftests/ftrace/test.d/ftrace/fgraph-profiler.tc b/tools/testing/selftests/ftrace/test.d/ftrace/fgraph-profiler.tc new file mode 100644 index 000000000000..ffff8646733c --- /dev/null +++ b/tools/testing/selftests/ftrace/test.d/ftrace/fgraph-profiler.tc @@ -0,0 +1,31 @@ +#!/bin/sh +# ...
a0cc649353bb726d4aa0db60dce467432197b746
Analyze and fix the following issue in the Linux kernel code: selftests/rseq: Fix mm_cid test failure
Problem Details: Adapt the rseq.c/rseq.h code to follow GNU C library changes introduced by: glibc commit 2e456ccf0c34 ("Linux: Make __rseq_size useful for feature detection (bug 31965)") Without this fix, rseq selftests for mm_cid fail: ./run_param_test.sh Default parameters Running test spinlock Running compare-tw...
```diff diff --git a/tools/testing/selftests/rseq/rseq.c b/tools/testing/selftests/rseq/rseq.c index 96e812bdf8a4..5b9772cdf265 100644 --- a/tools/testing/selftests/rseq/rseq.c +++ b/tools/testing/selftests/rseq/rseq.c @@ -60,12 +60,6 @@ unsigned int rseq_size = -1U; /* Flags used during rseq registration. */ unsign...
3fd976afe9743110f20a23f93b7ff9693f2be4bf
Analyze and fix the following issue in the Linux kernel code: pinctrl: nuvoton: fix a double free in ma35_pinctrl_dt_node_to_map_func()
Problem Details: 'new_map' is allocated using devm_* which takes care of freeing the allocated data on device removal, call to .dt_free_map = pinconf_generic_dt_free_map double frees the map as pinconf_generic_dt_free_map() calls pinctrl_utils_free_map(). Fix this by using kcalloc() instead of auto-managed devm_kca...
```diff diff --git a/drivers/pinctrl/nuvoton/pinctrl-ma35.c b/drivers/pinctrl/nuvoton/pinctrl-ma35.c index 1fa00a23534a..59c4e7c6cdde 100644 --- a/drivers/pinctrl/nuvoton/pinctrl-ma35.c +++ b/drivers/pinctrl/nuvoton/pinctrl-ma35.c @@ -218,7 +218,7 @@ static int ma35_pinctrl_dt_node_to_map_func(struct pinctrl_dev *pctld...
d7eac9379f2198c4bd6a2e69eb8b38c82bb2fd5c
Analyze and fix the following issue in the Linux kernel code: pinctrl: amd: Fix two small typos
Problem Details: Found those two while reading the code: EDGE_TRAGGER -> EDGE_TRIGGER BOTH_EADGE -> BOTH_EDGES No functional changes, compile tested only. Signed-off-by: Marc Ferland <marc.ferland@sonatest.com> Link: https://lore.kernel.org/20241009151249.2086702-1-marc.ferland@sonatest.com Signed-off-by: Linus Wall...
```diff diff --git a/drivers/pinctrl/pinctrl-amd.c b/drivers/pinctrl/pinctrl-amd.c index b0fab262d534..fff6d4209ad5 100644 --- a/drivers/pinctrl/pinctrl-amd.c +++ b/drivers/pinctrl/pinctrl-amd.c @@ -506,7 +506,7 @@ static int amd_gpio_irq_set_type(struct irq_data *d, unsigned int type) case IRQ_TYPE_EDGE_BOTH: pin...
989a29cfed9b5092c3e18be14e9032c51bb1c9f6
Analyze and fix the following issue in the Linux kernel code: libbpf: Fix possible compiler warnings in hashmap
Problem Details: The hashmap__for_each_entry[_safe] is accessing 'map' as a pointer. But it does without parentheses so passing a static hash map with an ampersand (like '&slab_hash') will cause compiler warnings due to unmatched types as '->' operator has a higher precedence. Signed-off-by: Namhyung Kim <namhyung@ker...
```diff diff --git a/tools/lib/bpf/hashmap.h b/tools/lib/bpf/hashmap.h index c12f8320e668..0c4f155e8eb7 100644 --- a/tools/lib/bpf/hashmap.h +++ b/tools/lib/bpf/hashmap.h @@ -166,8 +166,8 @@ bool hashmap_find(const struct hashmap *map, long key, long *value); * @bkt: integer used as a bucket loop cursor */ #define...
d1e16e219901965e6c0715adb92750ed865fda43
Analyze and fix the following issue in the Linux kernel code: pinctrl: th1520: Update pinmux tables
Problem Details: When Drew took over the pinctrl driver it seems like he didn't use the git tree I pointed him at and thus missed some important fixes to the tables describing valid pinmux settings. The documentation has a nice overview table of these settings but unfortunately it doesn't fully match the register desc...
```diff diff --git a/drivers/pinctrl/pinctrl-th1520.c b/drivers/pinctrl/pinctrl-th1520.c index 03326df69668..8bd40cb2f013 100644 --- a/drivers/pinctrl/pinctrl-th1520.c +++ b/drivers/pinctrl/pinctrl-th1520.c @@ -221,9 +221,9 @@ static const struct pinctrl_pin_desc th1520_group2_pins[] = { TH1520_PAD(15, UART4_RTSN, ...
ca35d5d24574c7f49c77860fb0a1e54b74ac9561
Analyze and fix the following issue in the Linux kernel code: pinctrl: th1520: Fix pinconf return values
Problem Details: When Drew took over the pinctrl driver he must have changed all the -ENOTSUPP returns into -EOPNOTSUPP. This subtle change was most likely not spotted because it was never mentioned in the changelog of the patchset, but it breaks all the places in the pin control and GPIO frameworks where -ENOTSUPP is ...
```diff diff --git a/drivers/pinctrl/pinctrl-th1520.c b/drivers/pinctrl/pinctrl-th1520.c index c8d2ee6defa7..03326df69668 100644 --- a/drivers/pinctrl/pinctrl-th1520.c +++ b/drivers/pinctrl/pinctrl-th1520.c @@ -591,7 +591,7 @@ static int th1520_pinconf_get(struct pinctrl_dev *pctldev, u32 arg; if ((uintptr_t)desc...
ee4d4e8d2c3bec6ee652599ab31991055a72c322
Analyze and fix the following issue in the Linux kernel code: x86/CPU/AMD: Only apply Zenbleed fix for Zen2 during late microcode load
Problem Details: Commit f69759be251d ("x86/CPU/AMD: Move Zenbleed check to the Zen2 init function") causes a bit in the DE_CFG MSR to get set erroneously after a microcode late load. The microcode late load path calls into amd_check_microcode() and subsequently zen2_zenbleed_check(). Since the above commit removes...
```diff diff --git a/arch/x86/kernel/cpu/amd.c b/arch/x86/kernel/cpu/amd.c index 015971adadfc..fab5caec0b72 100644 --- a/arch/x86/kernel/cpu/amd.c +++ b/arch/x86/kernel/cpu/amd.c @@ -1202,5 +1202,6 @@ void amd_check_microcode(void) if (boot_cpu_data.x86_vendor != X86_VENDOR_AMD) return; - on_each_cpu(zenbleed_ch...
05a344e54d0b4892736526e4a309851da8ee9c89
Analyze and fix the following issue in the Linux kernel code: netlabel,smack: use lsm_prop for audit data
Problem Details: Replace the secid in the netlbl_audit structure with an lsm_prop. Remove scaffolding that was required when the value was a secid. Signed-off-by: Casey Schaufler <casey@schaufler-ca.com> [PM: fix the subject line] Signed-off-by: Paul Moore <paul@paul-moore.com>
```diff diff --git a/include/net/netlabel.h b/include/net/netlabel.h index 529160f76cac..8de8344ee93c 100644 --- a/include/net/netlabel.h +++ b/include/net/netlabel.h @@ -97,7 +97,7 @@ struct calipso_doi; /* NetLabel audit information */ struct netlbl_audit { - u32 secid; + struct lsm_prop prop; kuid_t loginuid; ...
7183abccd8ac2c486363e267b5d84032818eb725
Analyze and fix the following issue in the Linux kernel code: audit: maintain an lsm_prop in audit_context
Problem Details: Replace the secid value stored in struct audit_context with a struct lsm_prop. Change the code that uses this value to accommodate the change. security_audit_rule_match() expects a lsm_prop, so existing scaffolding can be removed. A call to security_secid_to_secctx() is changed to security_lsmprop_to_s...
```diff diff --git a/include/linux/security.h b/include/linux/security.h index f1c68e38b15d..c029bfe2c5bb 100644 --- a/include/linux/security.h +++ b/include/linux/security.h @@ -291,6 +291,19 @@ static inline const char *kernel_load_data_id_str(enum kernel_load_data_id id) #ifdef CONFIG_SECURITY +/** + * lsmprop_...
db089c9158c1d535a36dfc010e5db37fccea2561
Analyze and fix the following issue in the Linux kernel code: libbpf: never interpret subprogs in .text as entry programs
Problem Details: Libbpf pre-1.0 had a legacy logic of allowing singular non-annotated (i.e., not having explicit SEC() annotation) function to be treated as sole entry BPF program (unless there were other explicit entry programs). This behavior was dropped during libbpf 1.0 transition period (unless LIBBPF_STRICT_SEC_...
```diff diff --git a/tools/lib/bpf/libbpf.c b/tools/lib/bpf/libbpf.c index 05ad264ff09b..7c40286c3948 100644 --- a/tools/lib/bpf/libbpf.c +++ b/tools/lib/bpf/libbpf.c @@ -4417,7 +4417,7 @@ static int bpf_object__collect_externs(struct bpf_object *obj) static bool prog_is_subprog(const struct bpf_object *obj, const s...
2ab5e243c2266c841e0f6904fad1514b18eaf510
Analyze and fix the following issue in the Linux kernel code: btrfs: fix uninitialized pointer free on read_alloc_one_name() error
Problem Details: The function read_alloc_one_name() does not initialize the name field of the passed fscrypt_str struct if kmalloc fails to allocate the corresponding buffer. Thus, it is not guaranteed that fscrypt_str.name is initialized when freeing it. This is a follow-up to the linked patch that fixes the remaini...
```diff diff --git a/fs/btrfs/tree-log.c b/fs/btrfs/tree-log.c index 35c452bab1ca..9637c7cdc0cf 100644 --- a/fs/btrfs/tree-log.c +++ b/fs/btrfs/tree-log.c @@ -1845,7 +1845,7 @@ static noinline int replay_one_name(struct btrfs_trans_handle *trans, struct btrfs_dir_item *di, struct btrfs_key *key) { - ...
66691c6e2f18d2aa4b22ffb624b9bdc97e9979e4
Analyze and fix the following issue in the Linux kernel code: btrfs: fix uninitialized pointer free in add_inode_ref()
Problem Details: The add_inode_ref() function does not initialize the "name" struct when it is declared. If any of the following calls to "read_one_inode() returns NULL, dir = read_one_inode(root, parent_objectid); if (!dir) { ret = -ENOENT; goto out; } inode = read_one_inode(root, inode_objectid); if (!ino...
```diff diff --git a/fs/btrfs/tree-log.c b/fs/btrfs/tree-log.c index e2ed2a791f8f..35c452bab1ca 100644 --- a/fs/btrfs/tree-log.c +++ b/fs/btrfs/tree-log.c @@ -1374,7 +1374,7 @@ static noinline int add_inode_ref(struct btrfs_trans_handle *trans, struct inode *inode = NULL; unsigned long ref_ptr; unsigned long ref_...
ee7ff15bf507d4cf9a2b11b00690dfe6046ad325
Analyze and fix the following issue in the Linux kernel code: elevator: Remove argument from elevator_find_get
Problem Details: Commit e4eb37cc0f3ed ("block: Remove elevator required features") removed the usage of `struct request_queue` from elevator_find_get(), but didn't removed the argument. Remove the "struct request_queue *q" argument from elevator_find_get() given it is useless. Fixes: e4eb37cc0f3e ("block: Remove elev...
```diff diff --git a/block/elevator.c b/block/elevator.c index eb624f8ae99d..9430cde13d1a 100644 --- a/block/elevator.c +++ b/block/elevator.c @@ -106,8 +106,7 @@ static struct elevator_type *__elevator_find(const char *name) return NULL; } -static struct elevator_type *elevator_find_get(struct request_queue *q, -...
b4ff6e93bfd0093ce3ffc7322e89fbaa8300488f
Analyze and fix the following issue in the Linux kernel code: elevator: do not request_module if elevator exists
Problem Details: Whenever an I/O elevator is changed, the system attempts to load a module for the new elevator. This occurs regardless of whether the elevator is already loaded or built directly into the kernel. This behavior introduces unnecessary overhead and potential issues. This makes the operation slower, and m...
```diff diff --git a/block/elevator.c b/block/elevator.c index 60497e3b25b0..eb624f8ae99d 100644 --- a/block/elevator.c +++ b/block/elevator.c @@ -709,13 +709,21 @@ int elv_iosched_load_module(struct gendisk *disk, const char *buf, size_t count) { char elevator_name[ELV_NAME_MAX]; + struct elevator_type *fou...
76b3102148135945b013797fac9b206273f0f777
Analyze and fix the following issue in the Linux kernel code: rtla/timerlat: Make timerlat_hist_cpu->*_count unsigned long long
Problem Details: Do the same fix as in previous commit also for timerlat-hist. Link: https://lore.kernel.org/20241011121015.2868751-2-tglozar@redhat.com Reported-by: Attila Fazekas <afazekas@redhat.com> Signed-off-by: Tomas Glozar <tglozar@redhat.com> Signed-off-by: Steven Rostedt (Google) <rostedt@goodmis.org>
```diff diff --git a/tools/tracing/rtla/src/timerlat_hist.c b/tools/tracing/rtla/src/timerlat_hist.c index 1f9137c592f4..d49c8f0855fe 100644 --- a/tools/tracing/rtla/src/timerlat_hist.c +++ b/tools/tracing/rtla/src/timerlat_hist.c @@ -62,9 +62,9 @@ struct timerlat_hist_cpu { int *thread; int *user; - int ir...
4eba4723c5254ba8251ecb7094a5078d5c300646
Analyze and fix the following issue in the Linux kernel code: rtla/timerlat: Make timerlat_top_cpu->*_count unsigned long long
Problem Details: Most fields of struct timerlat_top_cpu are unsigned long long, but the fields {irq,thread,user}_count are int (32-bit signed). This leads to overflow when tracing on a large number of CPUs for a long enough time: $ rtla timerlat top -a20 -c 1-127 -d 12h ... 0 12:00:00 | IRQ Timer Latency ...
```diff diff --git a/tools/tracing/rtla/src/timerlat_top.c b/tools/tracing/rtla/src/timerlat_top.c index 94a2f5bbaeb7..7fb85c8ee3bc 100644 --- a/tools/tracing/rtla/src/timerlat_top.c +++ b/tools/tracing/rtla/src/timerlat_top.c @@ -54,9 +54,9 @@ struct timerlat_top_params { }; struct timerlat_top_cpu { - int irq_c...
4d784c042d164f10fc809e2338457036cd7c653d
Analyze and fix the following issue in the Linux kernel code: RDMA/srpt: Make slab cache names unique
Problem Details: Since commit 4c39529663b9 ("slab: Warn on duplicate cache names when DEBUG_VM=y"), slab complains about duplicate cache names. Hence this patch. The approach is as follows: - Maintain an xarray with the slab size as index and a reference count and a kmem_cache pointer as contents. Use srpt-${slab_siz...
```diff diff --git a/drivers/infiniband/ulp/srpt/ib_srpt.c b/drivers/infiniband/ulp/srpt/ib_srpt.c index 9632afbd727b..5dfb4644446b 100644 --- a/drivers/infiniband/ulp/srpt/ib_srpt.c +++ b/drivers/infiniband/ulp/srpt/ib_srpt.c @@ -68,6 +68,8 @@ MODULE_LICENSE("Dual BSD/GPL"); static u64 srpt_service_guid; static DEFI...
8cddfa535c931b8d8110c73bfed7354a94cbf891
Analyze and fix the following issue in the Linux kernel code: RDMA/irdma: Fix misspelling of "accept*"
Problem Details: There is "accept*" misspelled as "accpet*" in the comments. Fix the spelling. Fixes: 146b9756f14c ("RDMA/irdma: Add connection manager") Link: https://patch.msgid.link/r/20241008161913.19965-1-green@qrator.net Signed-off-by: Alexander Zubkov <green@qrator.net> Signed-off-by: Jason Gunthorpe <jgg@nvid...
```diff diff --git a/drivers/infiniband/hw/irdma/cm.c b/drivers/infiniband/hw/irdma/cm.c index 36bb7e5ce638..ce8d821bdad8 100644 --- a/drivers/infiniband/hw/irdma/cm.c +++ b/drivers/infiniband/hw/irdma/cm.c @@ -3631,7 +3631,7 @@ void irdma_free_lsmm_rsrc(struct irdma_qp *iwqp) /** * irdma_accept - registered call fo...
c659b405b82ead335bee6eb33f9691bf718e21e8
Analyze and fix the following issue in the Linux kernel code: RDMA/cxgb4: Fix RDMA_CM_EVENT_UNREACHABLE error for iWARP
Problem Details: ip_dev_find() always returns real net_device address, whether traffic is running on a vlan or real device, if traffic is over vlan, filling endpoint struture with real ndev and an attempt to send a connect request will results in RDMA_CM_EVENT_UNREACHABLE error. This patch fixes the issue by using vla...
```diff diff --git a/drivers/infiniband/hw/cxgb4/cm.c b/drivers/infiniband/hw/cxgb4/cm.c index b3757c6a0457..8d753e6e0c71 100644 --- a/drivers/infiniband/hw/cxgb4/cm.c +++ b/drivers/infiniband/hw/cxgb4/cm.c @@ -2086,7 +2086,7 @@ static int import_ep(struct c4iw_ep *ep, int iptype, __u8 *peer_ip, err = -ENOMEM; if (...
97420be7bda57030110c7032ad190d320f2e0157
Analyze and fix the following issue in the Linux kernel code: btrfs: use sector numbers as keys for the dirty extents xarray
Problem Details: We are using the logical address ("bytenr") of an extent as the key for qgroup records in the dirty extents xarray. This is a problem because the xarrays use "unsigned long" for keys/indices, meaning that on a 32 bits platform any extent starting at or beyond 4G is truncated, which is a too low limitat...
```diff diff --git a/fs/btrfs/delayed-ref.c b/fs/btrfs/delayed-ref.c index 32f719b9e661..115b90d29b1d 100644 --- a/fs/btrfs/delayed-ref.c +++ b/fs/btrfs/delayed-ref.c @@ -849,6 +849,7 @@ add_delayed_ref_head(struct btrfs_trans_handle *trans, struct btrfs_qgroup_extent_record *qrecord, int action, bool *...
9861f7f66f98a6358c944c17a5d4acd07abcb1a7
Analyze and fix the following issue in the Linux kernel code: locking/csd-lock: Switch from sched_clock() to ktime_get_mono_fast_ns()
Problem Details: Currently, the CONFIG_CSD_LOCK_WAIT_DEBUG code uses sched_clock() to check for excessive CSD-lock wait times. This works, but does not guarantee monotonic timestamps on x86 due to the sched_clock() function's use of the rdtsc instruction, which does not guarantee ordering. This means that, given succ...
```diff diff --git a/kernel/smp.c b/kernel/smp.c index f25e20617b7e..27dc31a146a3 100644 --- a/kernel/smp.c +++ b/kernel/smp.c @@ -246,7 +246,7 @@ static bool csd_lock_wait_toolong(call_single_data_t *csd, u64 ts0, u64 *ts1, in return true; } - ts2 = sched_clock(); + ts2 = ktime_get_mono_fast_ns(); /* How long...
db8f0b8088865150e4c9a8b8ffc9abdfd58bc4f7
Analyze and fix the following issue in the Linux kernel code: firmware: arm_scmi: Give SMC transport precedence over mailbox
Problem Details: Broadcom STB platforms have for historical reasons included both "arm,scmi-smc" and "arm,scmi" in their SCMI Device Tree node compatible string, in that order. After the commit b53515fa177c ("firmware: arm_scmi: Make MBOX transport a standalone driver") and with a kernel configuration that enables bot...
```diff diff --git a/drivers/firmware/arm_scmi/transports/Makefile b/drivers/firmware/arm_scmi/transports/Makefile index 362a406f08e6..3ba3d3bee151 100644 --- a/drivers/firmware/arm_scmi/transports/Makefile +++ b/drivers/firmware/arm_scmi/transports/Makefile @@ -1,8 +1,10 @@ # SPDX-License-Identifier: GPL-2.0-only -sc...
39b13dce1a91cdfc3bec9238f9e89094551bd428
Analyze and fix the following issue in the Linux kernel code: firmware: arm_scmi: Fix the double free in scmi_debugfs_common_setup()
Problem Details: Clang static checker(scan-build) throws below warning: | drivers/firmware/arm_scmi/driver.c:line 2915, column 2 | Attempt to free released memory. When devm_add_action_or_reset() fails, scmi_debugfs_common_cleanup() will run twice which causes double free of 'dbg->name'. Remove the redund...
```diff diff --git a/drivers/firmware/arm_scmi/driver.c b/drivers/firmware/arm_scmi/driver.c index 88c5c4ff4bb6..a477b5ade38d 100644 --- a/drivers/firmware/arm_scmi/driver.c +++ b/drivers/firmware/arm_scmi/driver.c @@ -2976,10 +2976,8 @@ static struct scmi_debug_info *scmi_debugfs_common_setup(struct scmi_info *info) ...
332fade75d0ecd88cd19556fce0f9cc8322de434
Analyze and fix the following issue in the Linux kernel code: f2fs: allow parallel DIO reads
Problem Details: This fixes a regression which prevents parallel DIO reads. Fixes: 0cac51185e65 ("f2fs: fix to avoid racing in between read and OPU dio write") Reviewed-by: Daeho Jeong <daehojeong@google.com> Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
```diff diff --git a/fs/f2fs/file.c b/fs/f2fs/file.c index 9ae54c4c72fe..321d8ffbab6e 100644 --- a/fs/f2fs/file.c +++ b/fs/f2fs/file.c @@ -4647,7 +4647,8 @@ static ssize_t f2fs_file_read_iter(struct kiocb *iocb, struct iov_iter *to) iov_iter_count(to), READ); /* In LFS mode, if there is inflight dio, wait for...
58550cdda961dedad8ed08c5abf8367d5c020fb6
Analyze and fix the following issue in the Linux kernel code: wifi: ath12k: convert struct ath12k_sta::update_wk to use struct wiphy_work
Problem Details: For preparation to switch ath12k to use wiphy_lock() we can convert ath12k_sta_rc_update_wk() to use wiphy_work_queue() for consistency. To avoid any deadlocks do the struct ath12k_sta::update_wk conversion before switching to using wiphy_lock() throughout the driver. Tested-on: WCN7850 hw2.0 PCI WLAN...
```diff diff --git a/drivers/net/wireless/ath/ath12k/core.h b/drivers/net/wireless/ath/ath12k/core.h index 7f2e9a9b4097..5163b5b07376 100644 --- a/drivers/net/wireless/ath/ath12k/core.h +++ b/drivers/net/wireless/ath/ath12k/core.h @@ -451,7 +451,7 @@ struct ath12k_sta { u32 smps; enum hal_pn_type pn_type; - struc...
8fac3266c68a8e647240b8ac8d0b82f1821edf85
Analyze and fix the following issue in the Linux kernel code: wifi: ath12k: fix atomic calls in ath12k_mac_op_set_bitrate_mask()
Problem Details: When I try to manually set bitrates: iw wlan0 set bitrates legacy-2.4 1 I get sleeping from invalid context error, see below. Fix that by switching to use recently introduced ieee80211_iterate_stations_mtx(). Do note that WCN6855 firmware is still crashing, I'm not sure if that firmware even support...
```diff diff --git a/drivers/net/wireless/ath/ath12k/mac.c b/drivers/net/wireless/ath/ath12k/mac.c index 6d0784a21558..8946141aa0dc 100644 --- a/drivers/net/wireless/ath/ath12k/mac.c +++ b/drivers/net/wireless/ath/ath12k/mac.c @@ -8186,9 +8186,9 @@ ath12k_mac_op_set_bitrate_mask(struct ieee80211_hw *hw, arvif-...
15d91424ea822ddfb28ed18564343b3ff9d382fe
Analyze and fix the following issue in the Linux kernel code: wifi: ath12k: Support Pdev OBSS Stats
Problem Details: Add support to request pdev OBSS stats from firmware through stats type 23. These stats give information about PPDUs transmitted or tried to be transmitted in Spatial Reuse Groups(SRG), Parameterized Spatial Reuse(PSR) and non-PSR groups. Sample output: ------------- echo 23 > /sys/kernel/debug/ath12k...
```diff diff --git a/drivers/net/wireless/ath/ath12k/debugfs_htt_stats.c b/drivers/net/wireless/ath/ath12k/debugfs_htt_stats.c index bf6864711980..d890679a3f16 100644 --- a/drivers/net/wireless/ath/ath12k/debugfs_htt_stats.c +++ b/drivers/net/wireless/ath/ath12k/debugfs_htt_stats.c @@ -2437,6 +2437,71 @@ ath12k_htt_pri...
3f5ecfc4503a9eb0e3cecbc580bd0f10332214bb
Analyze and fix the following issue in the Linux kernel code: wifi: ath12k: Support pdev CCA Stats
Problem Details: Add support to request CCA stats for physical devices from firmware through HTT stats type 19. These stats give information about channel number, number of records, counters' bitmap, collection interval and different CCA counters. Sample output: ------------- echo 19 > /sys/kernel/debug/ath12k/pci-000...
```diff diff --git a/drivers/net/wireless/ath/ath12k/debugfs_htt_stats.c b/drivers/net/wireless/ath/ath12k/debugfs_htt_stats.c index ad2919bcb11c..bf6864711980 100644 --- a/drivers/net/wireless/ath/ath12k/debugfs_htt_stats.c +++ b/drivers/net/wireless/ath/ath12k/debugfs_htt_stats.c @@ -2378,6 +2378,65 @@ ath12k_htt_pri...
6f27b59af173ca03961d33970cfd2635f0ddb3d3
Analyze and fix the following issue in the Linux kernel code: wifi: ath12k: Support pdev Transmit Multi-user stats
Problem Details: Add support to request multi-user stats from firmware for transmitter through HTT stats type 17. These stats give information about multi- user MIMO, OFDMA and MPDU for different Wi-Fi standards. Sample output: ------------- echo 17 > /sys/kernel/debug/ath12k/pci-0000\:06\:00.0/mac0/htt_stats_type cat...
```diff diff --git a/drivers/net/wireless/ath/ath12k/debugfs_htt_stats.c b/drivers/net/wireless/ath/ath12k/debugfs_htt_stats.c index 2acc95ab32f7..ad2919bcb11c 100644 --- a/drivers/net/wireless/ath/ath12k/debugfs_htt_stats.c +++ b/drivers/net/wireless/ath/ath12k/debugfs_htt_stats.c @@ -2083,6 +2083,301 @@ ath12k_htt_pr...
7e4eed987d5d5a988056496eebdf55202511f270
Analyze and fix the following issue in the Linux kernel code: wifi: ath12k: Support Ring and SFM stats
Problem Details: Add support to request ring and SFM stats from firmware through HTT stats type 15 and 16 respectively. These stats give information such as ring size, ring address, valid number of words in ring, etc., for stats type 15 and SFM buffer information, number of users, words used by users, etc., for stat ty...
```diff diff --git a/drivers/net/wireless/ath/ath12k/debugfs_htt_stats.c b/drivers/net/wireless/ath/ath12k/debugfs_htt_stats.c index 48fa7f89426d..2acc95ab32f7 100644 --- a/drivers/net/wireless/ath/ath12k/debugfs_htt_stats.c +++ b/drivers/net/wireless/ath/ath12k/debugfs_htt_stats.c @@ -1911,6 +1911,178 @@ ath12k_htt_pr...
bbc4a30de095f0349d3c278500345a1b620d495e
Analyze and fix the following issue in the Linux kernel code: drm/xe/display: Add missing HPD interrupt enabling during non-d3cold RPM resume
Problem Details: Atm the display HPD interrupts that got disabled during runtime suspend, are re-enabled only if d3cold is enabled. Fix things by also re-enabling the interrupts if d3cold is disabled. Cc: Rodrigo Vivi <rodrigo.vivi@intel.com> Reviewed-by: Jonathan Cavitt <jonathan.cavitt@intel.com> Signed-off-by: Imre...
```diff diff --git a/drivers/gpu/drm/xe/display/xe_display.c b/drivers/gpu/drm/xe/display/xe_display.c index 9ef75a20c3c0..5c6b74c36b60 100644 --- a/drivers/gpu/drm/xe/display/xe_display.c +++ b/drivers/gpu/drm/xe/display/xe_display.c @@ -479,6 +479,7 @@ void xe_display_pm_runtime_resume(struct xe_device *xe) return...
22206e569fb54bf9c95db9a0138a7485ba9e13bc
Analyze and fix the following issue in the Linux kernel code: ASoC: rt722-sdca: Remove logically deadcode in rt722-sdca.c
Problem Details: As the same condition was checked in inner and outer if statements. The code never reaches the inner else statement. Fix this by removing the logically dead inner else statement. Fixes: 7f5d6036ca00 ("ASoC: rt722-sdca: Add RT722 SDCA driver") Reported-by: Shuah Khan <skhan@linuxfoundation.org> Closes:...
```diff diff --git a/sound/soc/codecs/rt722-sdca.c b/sound/soc/codecs/rt722-sdca.c index e5bd9ef812de..f9f7512ca360 100644 --- a/sound/soc/codecs/rt722-sdca.c +++ b/sound/soc/codecs/rt722-sdca.c @@ -607,12 +607,8 @@ static int rt722_sdca_dmic_set_gain_get(struct snd_kcontrol *kcontrol, if (!adc_vol_flag) /* boost ...
65b5353193e5a8476814a184e8e1a2627d59f2b5
Analyze and fix the following issue in the Linux kernel code: drm/ttm: Fix incorrect use of kernel-doc format
Problem Details: Add a missing colon. Cc: dri-devel@lists.freedesktop.org Reported-by: Stephen Rothwell <sfr@canb.auug.org.au> Closes: https://lore.kernel.org/linux-next/20241010160942.192caf60@canb.auug.org.au/ Fixes: fc5d96670eb2 ("drm/ttm: Move swapped objects off the manager's LRU list") Signed-off-by: Thomas Hell...
```diff diff --git a/include/drm/ttm/ttm_device.h b/include/drm/ttm/ttm_device.h index 438358f72716..39b8636b1845 100644 --- a/include/drm/ttm/ttm_device.h +++ b/include/drm/ttm/ttm_device.h @@ -252,7 +252,7 @@ struct ttm_device { spinlock_t lru_lock; /** - * @unevictable Buffer objects which are pinned or swapp...
e9e1b20fae7de06ba36dd3f8dba858157bad233d
Analyze and fix the following issue in the Linux kernel code: thunderbolt: Fix KASAN reported stack out-of-bounds read in tb_retimer_scan()
Problem Details: KASAN reported following issue: BUG: KASAN: stack-out-of-bounds in tb_retimer_scan+0xffe/0x1550 [thunderbolt] Read of size 4 at addr ffff88810111fc1c by task kworker/u56:0/11 CPU: 0 UID: 0 PID: 11 Comm: kworker/u56:0 Tainted: G U 6.11.0+ #1387 Tainted: [U]=USER Workqueue: thunderb...
```diff diff --git a/drivers/thunderbolt/retimer.c b/drivers/thunderbolt/retimer.c index 721319329afa..7db9869a9f3f 100644 --- a/drivers/thunderbolt/retimer.c +++ b/drivers/thunderbolt/retimer.c @@ -516,7 +516,7 @@ int tb_retimer_scan(struct tb_port *port, bool add) */ tb_retimer_set_inbound_sbtx(port); - for (i...
9b064d200aa8fee9d1d7ced05d8a617e45966715
Analyze and fix the following issue in the Linux kernel code: ASoC: rsnd: Fix probe failure on HiHope boards due to endpoint parsing
Problem Details: On the HiHope boards, we have a single port with a single endpoint defined as below: .... rsnd_port: port { rsnd_endpoint: endpoint { remote-endpoint = <&dw_hdmi0_snd_in>; dai-format = "i2s"; bitclock-maste...
```diff diff --git a/sound/soc/sh/rcar/core.c b/sound/soc/sh/rcar/core.c index 9784718a2b6f..eca5ce096e54 100644 --- a/sound/soc/sh/rcar/core.c +++ b/sound/soc/sh/rcar/core.c @@ -1281,7 +1281,9 @@ audio_graph: if (!of_node_name_eq(ports, "ports") && !of_node_name_eq(ports, "port")) continue; - priv->comp...
ca2803fadfd239abf155ef4a563b22a9507ee4b2
Analyze and fix the following issue in the Linux kernel code: ASoC: max98388: Fix missing increment of variable slot_found
Problem Details: The variable slot_found is being initialized to zero and inside a for-loop is being checked if it's reached MAX_NUM_CH, however, this is currently impossible since slot_found is never changed. In a previous loop a similar coding pattern is used and slot_found is being incremented. It appears the increm...
```diff diff --git a/sound/soc/codecs/max98388.c b/sound/soc/codecs/max98388.c index b847d7c59ec0..99986090b4a6 100644 --- a/sound/soc/codecs/max98388.c +++ b/sound/soc/codecs/max98388.c @@ -763,6 +763,7 @@ static int max98388_dai_tdm_slot(struct snd_soc_dai *dai, addr = MAX98388_R2044_PCM_TX_CTRL1 + (cnt / 8); ...
c4fd5979ce3149b1be37b162be25b9a031d8e7e1
Analyze and fix the following issue in the Linux kernel code: accel/ivpu: Fix typos in ivpu_pm.c
Problem Details: Replace "Filed" with an actual word. Reviewed-by: Karol Wachowski <karol.wachowski@intel.com> Reviewed-by: Jeffrey Hugo <quic_jhugo@quicinc.com> Link: https://patchwork.freedesktop.org/patch/msgid/20240930195322.461209-32-jacek.lawrynowicz@linux.intel.com Signed-off-by: Jacek Lawrynowicz <jacek.lawryn...
```diff diff --git a/drivers/accel/ivpu/ivpu_pm.c b/drivers/accel/ivpu/ivpu_pm.c index 6d180c81e6df..e567df79a612 100644 --- a/drivers/accel/ivpu/ivpu_pm.c +++ b/drivers/accel/ivpu/ivpu_pm.c @@ -423,7 +423,7 @@ int ivpu_pm_dct_enable(struct ivpu_device *vdev, u8 active_percent) ret = ivpu_jsm_dct_enable(vdev, activ...
ed3fb318fd681bc226be3b309a1c658d231a282b
Analyze and fix the following issue in the Linux kernel code: accel/ivpu: Fix ivpu_jsm_dyndbg_control()
Problem Details: Use correct channel for dyndbg JSM message. Reviewed-by: Karol Wachowski <karol.wachowski@intel.com> Reviewed-by: Jeffrey Hugo <quic_jhugo@quicinc.com> Link: https://patchwork.freedesktop.org/patch/msgid/20240930195322.461209-29-jacek.lawrynowicz@linux.intel.com Signed-off-by: Jacek Lawrynowicz <jacek...
```diff diff --git a/drivers/accel/ivpu/ivpu_jsm_msg.c b/drivers/accel/ivpu/ivpu_jsm_msg.c index ae91ad24d10d..494ebc2475b1 100644 --- a/drivers/accel/ivpu/ivpu_jsm_msg.c +++ b/drivers/accel/ivpu/ivpu_jsm_msg.c @@ -197,7 +197,7 @@ int ivpu_jsm_dyndbg_control(struct ivpu_device *vdev, char *command, size_t size strscp...
5eaa497411197c41b0813d61ba3fbd6267049082
Analyze and fix the following issue in the Linux kernel code: accel/ivpu: Prevent recovery invocation during probe and resume
Problem Details: Refactor IPC send and receive functions to allow correct handling of operations that should not trigger a recovery process. Expose ivpu_send_receive_internal(), which is now utilized by the D0i3 entry, DCT initialization, and HWS initialization functions. These functions have been modified to return e...
```diff diff --git a/drivers/accel/ivpu/ivpu_ipc.c b/drivers/accel/ivpu/ivpu_ipc.c index e7bccc20e4e4..a4ebb761354c 100644 --- a/drivers/accel/ivpu/ivpu_ipc.c +++ b/drivers/accel/ivpu/ivpu_ipc.c @@ -291,15 +291,16 @@ int ivpu_ipc_receive(struct ivpu_device *vdev, struct ivpu_ipc_consumer *cons, return ret; } -stat...
541a137254c71822e7a3ebdf8309c5a37b7de465
Analyze and fix the following issue in the Linux kernel code: accel/ivpu: Fix reset_engine debugfs file logic
Problem Details: The current reset_engine implementation unconditionally resets all engines. Improve implementation to reset only the engine requested by the user space to allow more granular testing. Also use DEFINE_DEBUGFS_ATTRIBUTE() to simplify implementation. Same changes applied to resume_engine debugfs file for...
```diff diff --git a/drivers/accel/ivpu/ivpu_debugfs.c b/drivers/accel/ivpu/ivpu_debugfs.c index f873119e56fe..8958145c49ad 100644 --- a/drivers/accel/ivpu/ivpu_debugfs.c +++ b/drivers/accel/ivpu/ivpu_debugfs.c @@ -337,49 +337,23 @@ static const struct file_operations ivpu_force_recovery_fops = { .write = ivpu_force_...
3886f9440aa3a5b55f2f2030f8a6fdab5b41fbd1
Analyze and fix the following issue in the Linux kernel code: accel/ivpu: Print JSM message result in case of error
Problem Details: Change debug message to error level in case of receiving non-successful result of JSM message. Signed-off-by: Karol Wachowski <karol.wachowski@intel.com> Reviewed-by: Jacek Lawrynowicz <jacek.lawrynowicz@linux.intel.com> Reviewed-by: Jeffrey Hugo <quic_jhugo@quicinc.com> Link: https://patchwork.freede...
```diff diff --git a/drivers/accel/ivpu/ivpu_ipc.c b/drivers/accel/ivpu/ivpu_ipc.c index 83b4ba4f3e20..e7bccc20e4e4 100644 --- a/drivers/accel/ivpu/ivpu_ipc.c +++ b/drivers/accel/ivpu/ivpu_ipc.c @@ -278,7 +278,7 @@ int ivpu_ipc_receive(struct ivpu_device *vdev, struct ivpu_ipc_consumer *cons, u32 size = min_t(int, r...
5e162f872d7af8f041b143536617ab2563ea7de5
Analyze and fix the following issue in the Linux kernel code: accel/ivpu: Add FW state dump on TDR
Problem Details: Send JSM state dump message at the beginning of TDR handler. This allows FW to collect debug info in the FW log before the state of the NPU is lost allowing to analyze the cause of a TDR. Wait a predefined timeout (10 ms) so the FW has a chance to write debug logs. We cannot wait for JSM response at t...
```diff diff --git a/drivers/accel/ivpu/ivpu_drv.h b/drivers/accel/ivpu/ivpu_drv.h index 63f13b697eed..2b30cc2e9272 100644 --- a/drivers/accel/ivpu/ivpu_drv.h +++ b/drivers/accel/ivpu/ivpu_drv.h @@ -152,6 +152,7 @@ struct ivpu_device { int tdr; int autosuspend; int d0i3_entry_msg; + int state_dump_msg; } ti...
4bc988b47019536b3b1f7d9c5b83893c712d94d6
Analyze and fix the following issue in the Linux kernel code: accel/ivpu: Fix fw log printing
Problem Details: - Fix empty log detection that couldn't work without read_wrap_count - Start printing wrapped log from correct position (log_start) - Properly handle logs that are wrapped multiple times in reference to reader position - Don't add a newline when log buffer is wrapped - Always add a newline ...
```diff diff --git a/drivers/accel/ivpu/ivpu_fw_log.c b/drivers/accel/ivpu/ivpu_fw_log.c index 343ebfd30d28..337c906b0210 100644 --- a/drivers/accel/ivpu/ivpu_fw_log.c +++ b/drivers/accel/ivpu/ivpu_fw_log.c @@ -87,7 +87,7 @@ static void fw_log_print_lines(char *buffer, u32 size, struct drm_printer *p) } line[index]...
0fb823f1cf3417e06846d1ffe2c97e10a65a847e
Analyze and fix the following issue in the Linux kernel code: xfs: fix integer overflow in xrep_bmap
Problem Details: The variable declaration in this function predates the merge of the nrext64 (aka 64-bit extent counters) feature, which means that the variable declaration type is insufficient to avoid an integer overflow. Fix that by redeclaring the variable to be xfs_extnum_t. Coverity-id: 1630958 Fixes: 8f71bede8e...
```diff diff --git a/fs/xfs/scrub/bmap_repair.c b/fs/xfs/scrub/bmap_repair.c index 49dc38acc66b..4505f4829d53 100644 --- a/fs/xfs/scrub/bmap_repair.c +++ b/fs/xfs/scrub/bmap_repair.c @@ -801,7 +801,7 @@ xrep_bmap( { struct xrep_bmap *rb; char *descr; - unsigned int max_bmbt_recs; + xfs_extnum_t max_bmbt_recs; ...
c1789209701143b50cba3783fa800a23df30a088
Analyze and fix the following issue in the Linux kernel code: ASoC: codecs: Fix error check in es8323_i2c_probe
Problem Details: In the function es8323_i2c_probe(), devm_kzalloc() could possibly return NULL pointer, so IS_ERR() is wrong check in this place, thus fix it. Fixes: b97391a604b9 ("ASoC: codecs: Add support for ES8323") Signed-off-by: Tang Bin <tangbin@cmss.chinamobile.com> Link: https://patch.msgid.link/2024101107311...
```diff diff --git a/sound/soc/codecs/es8323.c b/sound/soc/codecs/es8323.c index c09bd92b2ed3..6f4fa36ea34d 100644 --- a/sound/soc/codecs/es8323.c +++ b/sound/soc/codecs/es8323.c @@ -743,7 +743,7 @@ static int es8323_i2c_probe(struct i2c_client *i2c_client) struct device *dev = &i2c_client->dev; es8323 = devm_kza...
26d77ce57479f4aa960f0e446e3f27be725b2d70
Analyze and fix the following issue in the Linux kernel code: dmaengine: cirrus: check that output may be truncated
Problem Details: ep93xx_dma.c: In function 'ep93xx_dma_of_probe': ep93xx_dma.c:1409:74: warning: '%u' directive output may be truncated writing between 1 and 8 bytes into a region of size 2 [-Wformat-truncation=] snprintf(dma_clk_name, sizeof(dma_clk_name), "m2p%u", i); ...
```diff diff --git a/drivers/dma/ep93xx_dma.c b/drivers/dma/ep93xx_dma.c index 7989bc3db209..6b98a23e3332 100644 --- a/drivers/dma/ep93xx_dma.c +++ b/drivers/dma/ep93xx_dma.c @@ -1391,6 +1391,7 @@ static struct ep93xx_dma_engine *ep93xx_dma_of_probe(struct platform_device *pde INIT_LIST_HEAD(&dma_dev->channels); fo...
5b484feb7a26615f09b398e3ac5cefd5c85e9b37
Analyze and fix the following issue in the Linux kernel code: dmaengine: cirrus: ERR_CAST() ioremap error
Problem Details: ep93xx_dma.c:1354:37: sparse: sparse: incorrect type in return expression (different address spaces) ep93xx_dma.c:1354:37: sparse: expected struct ep93xx_dma_engine * ep93xx_dma.c:1354:37: sparse: got void [noderef] __iomem *regs Reported-by: kernel test robot <lkp@intel.com> Closes:...
```diff diff --git a/drivers/dma/ep93xx_dma.c b/drivers/dma/ep93xx_dma.c index 995427afe077..7989bc3db209 100644 --- a/drivers/dma/ep93xx_dma.c +++ b/drivers/dma/ep93xx_dma.c @@ -1395,7 +1395,7 @@ static struct ep93xx_dma_engine *ep93xx_dma_of_probe(struct platform_device *pde edmac->chan.device = dma_dev; edmac-...
fd5f14c126a65f27ada3f192b982c6797cc302c7
Analyze and fix the following issue in the Linux kernel code: ALSA: scarlett2: Add error check after retrieving PEQ filter values
Problem Details: Add error check after retrieving PEQ filter values in scarlett2_update_filter_values that ensure function returns error if PEQ filter value retrieval fails. Fixes: b64678eb4e70 ("ALSA: scarlett2: Add DSP controls") Signed-off-by: Zhu Jun <zhujun2@cmss.chinamobile.com> Cc: <stable@vger.kernel.org> Link...
```diff diff --git a/sound/usb/mixer_scarlett2.c b/sound/usb/mixer_scarlett2.c index 1150cf104985..4cddf84db631 100644 --- a/sound/usb/mixer_scarlett2.c +++ b/sound/usb/mixer_scarlett2.c @@ -5613,6 +5613,8 @@ static int scarlett2_update_filter_values(struct usb_mixer_interface *mixer) info->peq_flt_total_count * ...
c9bd4a82b4ed32c6d1c90500a52063e6e341517f
Analyze and fix the following issue in the Linux kernel code: ALSA: hda/cs8409: Fix possible NULL dereference
Problem Details: If snd_hda_gen_add_kctl fails to allocate memory and returns NULL, then NULL pointer dereference will occur in the next line. Since dolphin_fixups function is a hda_fixup function which is not supposed to return any errors, add simple check before dereference, ignore the fail. Found by Linux Verifica...
```diff diff --git a/sound/pci/hda/patch_cs8409.c b/sound/pci/hda/patch_cs8409.c index 26f3c31600d7..614327218634 100644 --- a/sound/pci/hda/patch_cs8409.c +++ b/sound/pci/hda/patch_cs8409.c @@ -1403,8 +1403,9 @@ void dolphin_fixups(struct hda_codec *codec, const struct hda_fixup *fix, int ac kctrl = snd_hda_gen_add...
2934b12281abf4eb5f915086fd5699de5c497ccd
Analyze and fix the following issue in the Linux kernel code: HID: wacom: Hardcode (non-inverted) AES pens as BTN_TOOL_PEN
Problem Details: Unlike EMR tools which encode type information in their tool ID, tools for AES sensors are all "generic pens". It is inappropriate to make use of the wacom_intuos_get_tool_type function when dealing with these kinds of devices. Instead, we should only ever report BTN_TOOL_PEN or BTN_TOOL_RUBBER, as dep...
```diff diff --git a/drivers/hid/wacom_wac.c b/drivers/hid/wacom_wac.c index 59a13ad9371c..413606bdf476 100644 --- a/drivers/hid/wacom_wac.c +++ b/drivers/hid/wacom_wac.c @@ -2567,6 +2567,8 @@ static void wacom_wac_pen_report(struct hid_device *hdev, /* Going into range select tool */ if (wacom_wac->hid_data.inve...
11dad94b50263bbe87d015041c77be61c8c44161
Analyze and fix the following issue in the Linux kernel code: phy: sun4i-usb: Fix a typo
Problem Details: Fix a typo in comments: wether -> whether. Signed-off-by: Andrew Kreimer <algonell@gmail.com> Acked-by: Chen-Yu Tsai <wens@csie.org> Link: https://lore.kernel.org/r/20241010091355.8271-1-algonell@gmail.com Signed-off-by: Vinod Koul <vkoul@kernel.org>
```diff diff --git a/include/linux/phy/phy-sun4i-usb.h b/include/linux/phy/phy-sun4i-usb.h index 91eb755ee73b..f3e7b13608e4 100644 --- a/include/linux/phy/phy-sun4i-usb.h +++ b/include/linux/phy/phy-sun4i-usb.h @@ -11,7 +11,7 @@ /** * sun4i_usb_phy_set_squelch_detect() - Enable/disable squelch detect * @phy: refer...
f5aaff7bfa11fb0b2ee6b8fd7bbc16cfceea2ad3
Analyze and fix the following issue in the Linux kernel code: sched/core: Dequeue PSI signals for blocked tasks that are delayed
Problem Details: psi_dequeue() in for blocked task expects psi_sched_switch() to clear the TSK_.*RUNNING PSI flags and set the TSK_IOWAIT flags however psi_sched_switch() uses "!task_on_rq_queued(prev)" to detect if the task is blocked or still runnable which is no longer true with DELAY_DEQUEUE since a blocking task c...
```diff diff --git a/kernel/sched/core.c b/kernel/sched/core.c index a860996622a6..9e09140ccb34 100644 --- a/kernel/sched/core.c +++ b/kernel/sched/core.c @@ -6537,6 +6537,7 @@ static void __sched notrace __schedule(int sched_mode) * as a preemption by schedule_debug() and RCU. */ bool preempt = sched_mode > SM...
98442f0ccd828ac42e89281a815e9e7a97533822
Analyze and fix the following issue in the Linux kernel code: sched: Fix delayed_dequeue vs switched_from_fair()
Problem Details: Commit 2e0199df252a ("sched/fair: Prepare exit/cleanup paths for delayed_dequeue") and its follow up fixes try to deal with a rather unfortunate situation where is task is enqueued in a new class, even though it shouldn't have been. Mostly because the existing ->switched_to/from() hooks are in the wron...
```diff diff --git a/kernel/sched/core.c b/kernel/sched/core.c index 0259301e572e..a860996622a6 100644 --- a/kernel/sched/core.c +++ b/kernel/sched/core.c @@ -7010,20 +7010,20 @@ int default_wake_function(wait_queue_entry_t *curr, unsigned mode, int wake_flag } EXPORT_SYMBOL(default_wake_function); -void __setsched...
73ab05aa46b02d96509cb029a8d04fca7bbde8c7
Analyze and fix the following issue in the Linux kernel code: sched/core: Disable page allocation in task_tick_mm_cid()
Problem Details: With KASAN and PREEMPT_RT enabled, calling task_work_add() in task_tick_mm_cid() may cause the following splat. [ 63.696416] BUG: sleeping function called from invalid context at kernel/locking/spinlock_rt.c:48 [ 63.696416] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 610, name: modprobe...
```diff diff --git a/include/linux/task_work.h b/include/linux/task_work.h index cf5e7e891a77..2964171856e0 100644 --- a/include/linux/task_work.h +++ b/include/linux/task_work.h @@ -14,11 +14,14 @@ init_task_work(struct callback_head *twork, task_work_func_t func) } enum task_work_notify_mode { - TWA_NONE, + TWA_N...
d16b7eb6f523eeac3cff13001ef2a59cd462aa73
Analyze and fix the following issue in the Linux kernel code: sched/deadline: Use hrtick_enabled_dl() before start_hrtick_dl()
Problem Details: The deadline server code moved one of the start_hrtick_dl() calls but dropped the dl specific hrtick_enabled check. This causes hrticks to get armed even when sched_feat(HRTICK_DL) is false. Fix it. Fixes: 63ba8422f876 ("sched/deadline: Introduce deadline servers") Signed-off-by: Phil Auld <pauld@redh...
```diff diff --git a/kernel/sched/deadline.c b/kernel/sched/deadline.c index 9ce93d0bf452..be1b917dc8ce 100644 --- a/kernel/sched/deadline.c +++ b/kernel/sched/deadline.c @@ -2385,7 +2385,7 @@ static void set_next_task_dl(struct rq *rq, struct task_struct *p, bool first) deadline_queue_push_tasks(rq); - if (hrtic...
1e48fd0574ee697e87f9c9bbd64d9a121d271f7a
Analyze and fix the following issue in the Linux kernel code: phy: usb: disable COMMONONN for dual mode
Problem Details: The COMMONONN bit suspends the phy when the port is put into a suspend state. However when the phy is shared between host and device in dual mode, this no longer works cleanly as there is no synchronization between the two. Fixes: 5095d045a962 ("phy: usb: Turn off phy when port is in suspend") Signed-...
```diff diff --git a/drivers/phy/broadcom/phy-brcm-usb-init-synopsys.c b/drivers/phy/broadcom/phy-brcm-usb-init-synopsys.c index 4c10cafded4e..950b7ae1d1a8 100644 --- a/drivers/phy/broadcom/phy-brcm-usb-init-synopsys.c +++ b/drivers/phy/broadcom/phy-brcm-usb-init-synopsys.c @@ -153,7 +153,9 @@ static void xhci_soft_res...
0ddf2784d6c29e59409a62b8f32dc5abe56135a4
Analyze and fix the following issue in the Linux kernel code: ALSA: hda: Fix build error without CONFIG_SND_DEBUG
Problem Details: The macro should have been defined without setting the non-existing name field in the case of CONFIG_SND_DEBUG=n. Reported-by: Stephen Rothwell <sfr@canb.auug.org.au> Closes: https://lore.kernel.org/20241011131046.5eb3905a@canb.auug.org.au Fixes: 5b1913a79c3e ("ALSA: hda: Use own quirk lookup helper")...
```diff diff --git a/sound/pci/hda/hda_local.h b/sound/pci/hda/hda_local.h index b7d926e9eb94..763f79f6f32e 100644 --- a/sound/pci/hda/hda_local.h +++ b/sound/pci/hda/hda_local.h @@ -308,9 +308,15 @@ struct hda_quirk { #endif }; +#ifdef CONFIG_SND_DEBUG_VERBOSE #define HDA_CODEC_QUIRK(vend, dev, xname, val) \ { ...
6889cd2a93e1e3606b3f6e958aa0924e836de4d2
Analyze and fix the following issue in the Linux kernel code: xfrm: fix one more kernel-infoleak in algo dumping
Problem Details: During fuzz testing, the following issue was discovered: BUG: KMSAN: kernel-infoleak in _copy_to_iter+0x598/0x2a30 _copy_to_iter+0x598/0x2a30 __skb_datagram_iter+0x168/0x1060 skb_copy_datagram_iter+0x5b/0x220 netlink_recvmsg+0x362/0x1700 sock_recvmsg+0x2dc/0x390 __sys_recvfrom+0x381/0x6d0 __x64...
```diff diff --git a/net/xfrm/xfrm_user.c b/net/xfrm/xfrm_user.c index 8d06a37adbd9..eb146f574bbd 100644 --- a/net/xfrm/xfrm_user.c +++ b/net/xfrm/xfrm_user.c @@ -1102,7 +1102,9 @@ static int copy_to_user_auth(struct xfrm_algo_auth *auth, struct sk_buff *skb) if (!nla) return -EMSGSIZE; ap = nla_data(nla); - mem...
c798f72c7a67a4c089142d4b16c8b9587e6db5e6
Analyze and fix the following issue in the Linux kernel code: perf pmu: Allow hardcoded terms to be applied to attributes
Problem Details: Hard coded terms like "config=10" are skipped by perf_pmu__config assuming they were already applied to a perf_event_attr by parse event's config_attr function. When doing a reverse number to name lookup in perf_pmu__name_from_config, as the hardcoded terms aren't applied the config value is incorrect ...
```diff diff --git a/tools/perf/arch/x86/util/intel-pt.c b/tools/perf/arch/x86/util/intel-pt.c index ea510a7486b1..8f235d8b67b6 100644 --- a/tools/perf/arch/x86/util/intel-pt.c +++ b/tools/perf/arch/x86/util/intel-pt.c @@ -75,7 +75,8 @@ static int intel_pt_parse_terms_with_default(const struct perf_pmu *pmu, goto ou...
be847a3a8d4ec4bf270c2455376d11f2de61bfb3
Analyze and fix the following issue in the Linux kernel code: serial: qcom-geni: rename suspend functions
Problem Details: Drop the unnecessary "_sys" infix from the suspend PM ops. Signed-off-by: Johan Hovold <johan+linaro@kernel.org> Reviewed-by: Douglas Anderson <dianders@chromium.org> Link: https://lore.kernel.org/r/20241009145110.16847-10-johan+linaro@kernel.org Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundati...
```diff diff --git a/drivers/tty/serial/qcom_geni_serial.c b/drivers/tty/serial/qcom_geni_serial.c index 9dd304cdcd86..5dfe4e599ad6 100644 --- a/drivers/tty/serial/qcom_geni_serial.c +++ b/drivers/tty/serial/qcom_geni_serial.c @@ -1779,7 +1779,7 @@ static void qcom_geni_serial_remove(struct platform_device *pdev) uar...
c657243ae12000dc57e3648b0ddd30da9ffd1f14
Analyze and fix the following issue in the Linux kernel code: serial: qcom-geni: fix rx cancel dma status bit
Problem Details: Cancelling an rx command is signalled using bit 14 of the rx DMA status register and not bit 11. This bit is currently unused, but this error becomes apparent, for example, when tracing the status register when closing the port. Fixes: eddac5af0654 ("soc: qcom: Add GENI based QUP Wrapper driver") Rev...
```diff diff --git a/include/linux/soc/qcom/geni-se.h b/include/linux/soc/qcom/geni-se.h index c3bca9c0bf2c..2996a3c28ef3 100644 --- a/include/linux/soc/qcom/geni-se.h +++ b/include/linux/soc/qcom/geni-se.h @@ -258,8 +258,8 @@ struct geni_se { #define RX_DMA_PARITY_ERR BIT(5) #define RX_DMA_BREAK GENMASK(8, 7) #d...
fa103d2599e11e802c818684cff821baefe7f206
Analyze and fix the following issue in the Linux kernel code: serial: qcom-geni: fix receiver enable
Problem Details: The receiver is supposed to be enabled in the startup() callback and not in set_termios() which is called also during console setup. This specifically avoids accepting input before the port has been opened (and interrupts enabled), something which can also break the GENI firmware (cancel fails and aft...
```diff diff --git a/drivers/tty/serial/qcom_geni_serial.c b/drivers/tty/serial/qcom_geni_serial.c index aaf24bd037a7..6c4349ea5720 100644 --- a/drivers/tty/serial/qcom_geni_serial.c +++ b/drivers/tty/serial/qcom_geni_serial.c @@ -1197,6 +1197,11 @@ static int qcom_geni_serial_startup(struct uart_port *uport) if (re...
23ee4a25661c33e6381d41e848a9060ed6d72845
Analyze and fix the following issue in the Linux kernel code: serial: qcom-geni: fix dma rx cancellation
Problem Details: Make sure to wait for the DMA transfer to complete when cancelling the rx command on stop_rx(). This specifically prevents the DMA completion interrupt from firing after rx has been restarted, something which can lead to an IOMMU fault and hosed rx when the interrupt handler unmaps the DMA buffer for t...
```diff diff --git a/drivers/tty/serial/qcom_geni_serial.c b/drivers/tty/serial/qcom_geni_serial.c index 87cd974b76bf..aaf24bd037a7 100644 --- a/drivers/tty/serial/qcom_geni_serial.c +++ b/drivers/tty/serial/qcom_geni_serial.c @@ -805,17 +805,27 @@ static void qcom_geni_serial_start_rx_fifo(struct uart_port *uport) st...
23f5f5debcaac1399cfeacec215278bf6dbc1d11
Analyze and fix the following issue in the Linux kernel code: serial: qcom-geni: fix shutdown race
Problem Details: A commit adding back the stopping of tx on port shutdown failed to add back the locking which had also been removed by commit e83766334f96 ("tty: serial: qcom_geni_serial: No need to stop tx/rx on UART shutdown"). Holding the port lock is needed to serialise against the console code, which may update ...
```diff diff --git a/drivers/tty/serial/qcom_geni_serial.c b/drivers/tty/serial/qcom_geni_serial.c index 2e4a5361f137..87cd974b76bf 100644 --- a/drivers/tty/serial/qcom_geni_serial.c +++ b/drivers/tty/serial/qcom_geni_serial.c @@ -1114,10 +1114,12 @@ static void qcom_geni_serial_shutdown(struct uart_port *uport) { d...
19df76662a33d2f2fc41a66607cb8285fc02d6ec
Analyze and fix the following issue in the Linux kernel code: serial: qcom-geni: revert broken hibernation support
Problem Details: This reverts commit 35781d8356a2eecaa6074ceeb80ee22e252fcdae. Hibernation is not supported on Qualcomm platforms with mainline kernels yet a broken vendor implementation for the GENI serial driver made it upstream. This is effectively dead code that cannot be tested and should just be removed, but if...
```diff diff --git a/drivers/tty/serial/qcom_geni_serial.c b/drivers/tty/serial/qcom_geni_serial.c index c237c9d107cd..2e4a5361f137 100644 --- a/drivers/tty/serial/qcom_geni_serial.c +++ b/drivers/tty/serial/qcom_geni_serial.c @@ -1170,7 +1170,6 @@ static int qcom_geni_serial_port_setup(struct uart_port *uport) ...
4bef7c6f299910f19876ad8e7f5897514855f1d2
Analyze and fix the following issue in the Linux kernel code: serial: qcom-geni: fix polled console initialisation
Problem Details: The polled console (KGDB/KDB) implementation must not call port setup unconditionally as the port may already be in use by the console or a getty. Only make sure that the receiver is enabled, but do not enable any device interrupts. Fixes: d8851a96ba25 ("tty: serial: qcom-geni-serial: Add a poll_init...
```diff diff --git a/drivers/tty/serial/qcom_geni_serial.c b/drivers/tty/serial/qcom_geni_serial.c index 6f0db310cf69..c237c9d107cd 100644 --- a/drivers/tty/serial/qcom_geni_serial.c +++ b/drivers/tty/serial/qcom_geni_serial.c @@ -147,6 +147,7 @@ static struct uart_driver qcom_geni_uart_driver; static void __qcom_ge...
40d7903386df4d18f04d90510ba90eedee260085
Analyze and fix the following issue in the Linux kernel code: serial: imx: Update mctrl old_status on RTSD interrupt
Problem Details: When sending data using DMA at high baudrate (4 Mbdps in local test case) to a device with small RX buffer which keeps asserting RTS after every received byte, it is possible that the iMX UART driver would not recognize the falling edge of RTS input signal and get stuck, unable to transmit any more dat...
```diff diff --git a/drivers/tty/serial/imx.c b/drivers/tty/serial/imx.c index 67d4a72eda77..90974d338f3c 100644 --- a/drivers/tty/serial/imx.c +++ b/drivers/tty/serial/imx.c @@ -762,6 +762,21 @@ static irqreturn_t __imx_uart_rtsint(int irq, void *dev_id) imx_uart_writel(sport, USR1_RTSD, USR1); usr1 = imx_uart_r...
9462f4ca56e7d2430fdb6dcc8498244acbfc4489
Analyze and fix the following issue in the Linux kernel code: tty: n_gsm: Fix use-after-free in gsm_cleanup_mux
Problem Details: BUG: KASAN: slab-use-after-free in gsm_cleanup_mux+0x77b/0x7b0 drivers/tty/n_gsm.c:3160 [n_gsm] Read of size 8 at addr ffff88815fe99c00 by task poc/3379 CPU: 0 UID: 0 PID: 3379 Comm: poc Not tainted 6.11.0+ #56 Hardware name: VMware, Inc. VMware Virtual Platform/440BX Desktop Reference Platform, BIOS 6...
```diff diff --git a/drivers/tty/n_gsm.c b/drivers/tty/n_gsm.c index 5d37a0984916..252849910588 100644 --- a/drivers/tty/n_gsm.c +++ b/drivers/tty/n_gsm.c @@ -3157,6 +3157,8 @@ static void gsm_cleanup_mux(struct gsm_mux *gsm, bool disc) mutex_unlock(&gsm->mutex); /* Now wipe the queues */ tty_ldisc_flush(gsm->tty...
f956052e00de211b5c9ebaa1958366c23f82ee9e
Analyze and fix the following issue in the Linux kernel code: vt: prevent kernel-infoleak in con_font_get()
Problem Details: font.data may not initialize all memory spaces depending on the implementation of vc->vc_sw->con_font_get. This may cause info-leak, so to prevent this, it is safest to modify it to initialize the allocated memory space to 0, and it generally does not affect the overall performance of the system. Cc: ...
```diff diff --git a/drivers/tty/vt/vt.c b/drivers/tty/vt/vt.c index cd87e3d1291e..96842ce817af 100644 --- a/drivers/tty/vt/vt.c +++ b/drivers/tty/vt/vt.c @@ -4726,7 +4726,7 @@ static int con_font_get(struct vc_data *vc, struct console_font_op *op) return -EINVAL; if (op->data) { - font.data = kvmalloc(max_font...
068d35a7be65fa3bca4bba21c269bfe0b39158a6
Analyze and fix the following issue in the Linux kernel code: serial: sc16is7xx: announce support for SER_RS485_RTS_ON_SEND
Problem Details: When specifying flag SER_RS485_RTS_ON_SEND in RS485 configuration, we get the following warning after commit 4afeced55baa ("serial: core: fix sanitizing check for RTS settings"): invalid RTS setting, using RTS_AFTER_SEND instead This results in SER_RS485_RTS_AFTER_SEND being set and the driver al...
```diff diff --git a/drivers/tty/serial/sc16is7xx.c b/drivers/tty/serial/sc16is7xx.c index ad88a33a504f..9d0c971e49f5 100644 --- a/drivers/tty/serial/sc16is7xx.c +++ b/drivers/tty/serial/sc16is7xx.c @@ -1473,7 +1473,7 @@ static int sc16is7xx_setup_mctrl_ports(struct sc16is7xx_port *s, } static const struct serial_r...
0927c649230a960cdc22ebdd8f2db96bba21b233
Analyze and fix the following issue in the Linux kernel code: serial: 8250: Fix typos in comments across various files
Problem Details: This patch fixes several typos in the comments within the tty/8250 directory to improve readability and code documentation. Detected using codespell. Signed-off-by: Yu Jiaoliang <yujiaoliang@vivo.com> Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com> Reviewed-by: AngeloGioacchino Del R...
```diff diff --git a/drivers/tty/serial/8250/8250_bcm7271.c b/drivers/tty/serial/8250/8250_bcm7271.c index a713ffce533c..d0b18358859e 100644 --- a/drivers/tty/serial/8250/8250_bcm7271.c +++ b/drivers/tty/serial/8250/8250_bcm7271.c @@ -812,7 +812,7 @@ static int brcmuart_handle_irq(struct uart_port *p) /* * if ...
12b3642b6c242061d3ba84e6e3050c3141ded14c
Analyze and fix the following issue in the Linux kernel code: dt-bindings: serial: rs485: Fix rs485-rts-delay property
Problem Details: Code expects array only with 2 items which should be checked. But also item checking is not working as it should likely because of incorrect items description. Fixes: d50f974c4f7f ("dt-bindings: serial: Convert rs485 bindings to json-schema") Signed-off-by: Michal Simek <michal.simek@amd.com> Cc: stab...
```diff diff --git a/Documentation/devicetree/bindings/serial/rs485.yaml b/Documentation/devicetree/bindings/serial/rs485.yaml index 9418fd66a8e9..b93254ad2a28 100644 --- a/Documentation/devicetree/bindings/serial/rs485.yaml +++ b/Documentation/devicetree/bindings/serial/rs485.yaml @@ -18,16 +18,15 @@ properties: ...
55796b4e378b053a5eedc5996881d25a8980d91f
Analyze and fix the following issue in the Linux kernel code: serial: imx: Add more comments on port lock status
Problem Details: Comments regarding status of port.lock on internal functions is useful when reviewing correct handling of registers that must be protected by this lock. Signed-off-by: Esben Haabendal <esben@geanix.com> Link: https://lore.kernel.org/r/20240913-serial-imx-lockfix-v1-2-4d102746c89d@geanix.com Signed-off...
```diff diff --git a/drivers/tty/serial/imx.c b/drivers/tty/serial/imx.c index 1e6a785b02be..29a8993416ac 100644 --- a/drivers/tty/serial/imx.c +++ b/drivers/tty/serial/imx.c @@ -370,6 +370,7 @@ static void imx_uart_soft_reset(struct imx_port *sport) sport->idle_counter = 0; } +/* called with port.lock taken and i...
3c199ed5bd64694c71169b84e357d132f7811c3a
Analyze and fix the following issue in the Linux kernel code: serial: imx: Grab port lock in imx_uart_enable_wakeup()
Problem Details: The port lock needs to be held when doing read-modify-write on UCR1 and UCR3. Signed-off-by: Esben Haabendal <esben@geanix.com> Link: https://lore.kernel.org/r/20240913-serial-imx-lockfix-v1-1-4d102746c89d@geanix.com Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
```diff diff --git a/drivers/tty/serial/imx.c b/drivers/tty/serial/imx.c index f7367969a42a..1e6a785b02be 100644 --- a/drivers/tty/serial/imx.c +++ b/drivers/tty/serial/imx.c @@ -2580,10 +2580,13 @@ static void imx_uart_save_context(struct imx_port *sport) uart_port_unlock_irqrestore(&sport->port, flags); } +/* ca...
416a8b2c02fe2a5a9fbdf2a35ea294b78d939f84
Analyze and fix the following issue in the Linux kernel code: erofs: ensure regular inodes for file-backed mounts
Problem Details: Only regular inodes are allowed for file-backed mounts, not directories (as seen in the original syzbot case) or special inodes. Also ensure that .read_folio() is implemented on the underlying fs for the primary device. Fixes: fb176750266a ("erofs: add file-backed mount support") Reported-by: syzbot+...
```diff diff --git a/fs/erofs/super.c b/fs/erofs/super.c index 666873f745da..320d586c3896 100644 --- a/fs/erofs/super.c +++ b/fs/erofs/super.c @@ -191,10 +191,14 @@ static int erofs_init_device(struct erofs_buf *buf, struct super_block *sb, if (IS_ERR(file)) return PTR_ERR(file); - dif->file = file; - if (!e...
8956c582ac6b1693a351230179f898979dd00bdf
Analyze and fix the following issue in the Linux kernel code: powerpc/8xx: Fix kernel DTLB miss on dcbz
Problem Details: Following OOPS is encountered while loading test_bpf module on powerpc 8xx: [ 218.835567] BUG: Unable to handle kernel data access on write at 0xcb000000 [ 218.842473] Faulting instruction address: 0xc0017a80 [ 218.847451] Oops: Kernel access of bad area, sig: 11 [#1] [ 218.852854] BE PAGE_SIZE=16...
```diff diff --git a/arch/powerpc/kernel/head_8xx.S b/arch/powerpc/kernel/head_8xx.S index 811a7130505c..56c5ebe21b99 100644 --- a/arch/powerpc/kernel/head_8xx.S +++ b/arch/powerpc/kernel/head_8xx.S @@ -494,6 +494,7 @@ FixupDAR:/* Entry point for dcbx workaround. */ bctr /* jump into table */ 152: mfdar r11 + m...
0b92643182d1c010659e36b20006b834fbbcee15
Analyze and fix the following issue in the Linux kernel code: staging: vchiq_core: Fix white space indentation error
Problem Details: Replace spaces with tabs to adhere to kernel coding style. No functional changes intended in this patch. Signed-off-by: Hridesh MG <hridesh699@gmail.com> Signed-off-by: Umang Jain <umang.jain@ideasonboard.com> Reviewed-by: Stefan Wahren <wahrenst@gmx.net> Link: https://lore.kernel.org/r/20241010102250...
```diff diff --git a/drivers/staging/vc04_services/interface/vchiq_arm/vchiq_core.c b/drivers/staging/vc04_services/interface/vchiq_arm/vchiq_core.c index 1281f3bc5548..dfd68d853214 100644 --- a/drivers/staging/vc04_services/interface/vchiq_arm/vchiq_core.c +++ b/drivers/staging/vc04_services/interface/vchiq_arm/vchiq_...
f3ef53174b23246fe9bc2bbc2542f3a3856fa1e2
Analyze and fix the following issue in the Linux kernel code: samples/bpf: Fix a resource leak
Problem Details: The opened file should be closed in show_sockopts(), otherwise resource leak will occur that this problem was discovered by reading code Signed-off-by: Zhu Jun <zhujun2@cmss.chinamobile.com> Signed-off-by: Andrii Nakryiko <andrii@kernel.org> Link: https://lore.kernel.org/bpf/20241010014126.2573-1-zhuj...
```diff diff --git a/samples/bpf/test_cgrp2_sock.c b/samples/bpf/test_cgrp2_sock.c index a0811df888f4..8ca2a445ffa1 100644 --- a/samples/bpf/test_cgrp2_sock.c +++ b/samples/bpf/test_cgrp2_sock.c @@ -178,8 +178,10 @@ static int show_sockopts(int family) return 1; } - if (get_bind_to_device(sd, name, sizeof(name))...
b836cbdf3b81a4a22b3452186efa2e5105a77e10
Analyze and fix the following issue in the Linux kernel code: selftests/bpf: Assert link info uprobe_multi count & path_size if unset
Problem Details: Add assertions in `bpf_link_info.uprobe_multi` test to verify that `count` and `path_size` fields are correctly populated when the fields are unset. This tests a previous bug where the `path_size` field was not populated when `path` and `path_size` were unset. Signed-off-by: Tyrone Wu <wudevelops@gma...
```diff diff --git a/tools/testing/selftests/bpf/prog_tests/fill_link_info.c b/tools/testing/selftests/bpf/prog_tests/fill_link_info.c index 745c5ada4c4b..d50cbd8040d4 100644 --- a/tools/testing/selftests/bpf/prog_tests/fill_link_info.c +++ b/tools/testing/selftests/bpf/prog_tests/fill_link_info.c @@ -420,6 +420,15 @@ ...
ad6b5b6ea9b764018249285a4fe0a2226bef4caa
Analyze and fix the following issue in the Linux kernel code: bpf: Fix unpopulated path_size when uprobe_multi fields unset
Problem Details: Previously when retrieving `bpf_link_info.uprobe_multi` with `path` and `path_size` fields unset, the `path_size` field is not populated (remains 0). This behavior was inconsistent with how other input/output string buffer fields work, as the field should be populated in cases when: - both buffer and l...
```diff diff --git a/kernel/trace/bpf_trace.c b/kernel/trace/bpf_trace.c index a582cd25ca87..3bd402fa62a4 100644 --- a/kernel/trace/bpf_trace.c +++ b/kernel/trace/bpf_trace.c @@ -3133,7 +3133,8 @@ static int bpf_uprobe_multi_link_fill_link_info(const struct bpf_link *link, struct bpf_uprobe_multi_link *umulti_link; ...