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Trond Myklebust 7dbee046e2 SUNRPC: Do not dereference non-socket transports in sysfs 
[ Upstream commit 421ab1be43 ]

Do not cast the struct xprt to a sock_xprt unless we know it is a UDP or
TCP transport. Otherwise the call to lock the mutex will scribble over
whatever structure is actually there. This has been seen to cause hard
system lockups when the underlying transport was RDMA.

Fixes: b49ea673e1 ("SUNRPC: lock against ->sock changing during sysfs read")
Cc: stable@vger.kernel.org
Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
History 2026-06-01 17:35:44 +02:00
..
acpi ACPICA: Allow address_space_handler Install and _REG execution as 2 separate steps 2026-04-18 10:33:26 +02:00
asm-generic mm/hugetlb: fix excessive IPI broadcasts when unsharing PMD tables using mmu_gather 2026-04-18 10:33:18 +02:00
clocksource x86/hyperv: Fix hv tsc page based sched_clock for hibernation 2025-01-09 13:28:42 +01:00
crypto crypto: algif_aead - Revert to operating out-of-place 2026-04-30 11:24:38 +02:00
drm drm: of: drm_of_panel_bridge_remove(): fix device_node leak 2026-03-04 07:20:30 -05:00
dt-bindings dt-bindings: clock: qcom,dispcc-sc7180: Define MDSS resets 2026-06-01 17:35:37 +02:00
keys KEYS: trusted: allow use of kernel RNG for key material 2023-10-19 23:05:33 +02:00
kunit kunit: fix kernel-doc warnings due to mismatched arg names 2021-10-06 17:54:07 -06:00
kvm KVM: arm64: vgic-v4: Make the doorbell request robust w.r.t preemption 2024-07-05 09:14:51 +02:00
linux SUNRPC: Do not dereference non-socket transports in sysfs 2026-06-01 17:35:44 +02:00
math-emu math-emu: Fix fall-through warning 2021-07-13 13:57:44 -05:00
media media: dvb-core: dmxdevfilter must always flush bufs 2026-03-04 07:20:01 -05:00
memory memory: renesas-rpc-if: Fix HF/OSPI data transfer in Manual Mode 2022-05-09 09:14:34 +02:00
misc ocxl: Update the Process Element Entry 2020-12-04 01:01:30 +11:00
net ipv6: rename and move ip6_dst_lookup_tunnel() 2026-06-01 17:35:43 +02:00
pcmcia pcmcia: Replace zero-length array with flexible-array 2020-05-18 10:28:31 +02:00
ras Revert "mm/memory-failure.c: fix race with changing page compound again" 2022-07-12 16:35:17 +02:00
rdma RDMA/core: add rdma_rw_max_sge() helper for SQ sizing 2026-03-04 07:19:43 -05:00
scsi scsi: libsas: Add sas_task_find_rq() 2025-10-19 16:21:40 +02:00
soc soc: qcom: rpmh-rsc: Enhance check for VRM in-flight request 2024-06-16 13:39:55 +02:00
sound ASoC: core: Do not call link_exit() on uninitialized rtd objects 2026-04-18 10:33:12 +02:00
target scsi: target: Fix multiple LUN_RESET handling 2023-05-11 23:00:26 +09:00
trace btrfs: tracepoints: fix sleep while in atomic context in btrfs_sync_file() 2026-06-01 17:35:43 +02:00
uapi net: phy: qcom: at803x: Use the correct bit to disable extended next page 2026-06-01 17:35:29 +02:00
vdso time64.h: Consolidated PSEC_PER_SEC definition 2021-04-06 16:32:17 -07:00
video fbdev: udlfb: add vm_ops to dlfb_ops_mmap to prevent use-after-free 2026-06-01 17:35:19 +02:00
xen xen: replace xen_remap() with memremap() 2025-07-17 18:30:48 +02:00