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linux/net/sunrpc
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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
..
auth_gss SUNRPC: fix gss_auth kref leak in gss_alloc_msg error path 2026-03-04 07:19:55 -05:00
xprtrdma xprtrdma: Decrement re_receiving on the early exit paths 2026-04-18 10:33:11 +02:00
addr.c net: sunrpc: Fix an off by one in rpc_sockaddr2uaddr() 2024-03-26 18:21:33 -04:00
auth.c sunrpc: fix expiry of auth creds 2022-08-25 11:40:05 +02:00
auth_null.c SUNRPC: Add rpc_auth::au_ralign field 2019-02-14 11:48:36 -05:00
auth_unix.c SUNRPC: Use the client user namespace when encoding creds 2019-04-26 16:24:32 -04:00
backchannel_rqst.c SUNRPC: Reinitialise the backchannel request buffers before reuse 2022-08-25 11:40:05 +02:00
cache.c sunrpc: fix cache_request leak in cache_release 2026-04-18 10:33:17 +02:00
clnt.c SUNRPC: rpc_clnt_set_transport() must not change the autobind setting 2025-06-04 14:37:55 +02:00
debugfs.c NFS Client Updates for Linux 5.15 2021-09-04 10:25:26 -07:00
fail.h SUNRPC: Server-side disconnect injection 2021-08-20 13:50:33 -04:00
Kconfig SUNRPC: remove RC4-HMAC-MD5 support from KerberosV 2020-09-11 14:39:15 +10:00
Makefile sunrpc: Create a sunrpc directory under /sys/kernel/ 2021-07-08 14:03:23 -04:00
netns.h License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
rpc_pipe.c fsnotify: fix fsnotify hooks in pseudo filesystems 2022-02-01 17:27:01 +01:00
rpcb_clnt.c SUNRPC: rpcbind should never reset the port to the value '0' 2025-06-04 14:37:55 +02:00
sched.c SUNRPC: Fix a race to wake a sync task 2024-08-19 05:45:39 +02:00
socklib.c skb_copy_and_csum_bits(): don't bother with the last argument 2020-08-20 15:45:13 -04:00
socklib.h SUNRPC: Refactor xs_sendpages() 2020-03-16 12:04:33 -04:00
stats.c sunrpc: use the struct net as the svc proc private 2024-09-04 13:23:30 +02:00
sunrpc.h Replace HTTP links with HTTPS ones: NFS, SUNRPC, and LOCKD clients 2020-09-21 10:21:10 -04:00
sunrpc_syms.c sunrpc: add IDs to multipath 2021-07-08 14:03:23 -04:00
svc.c sunrpc: pass in the sv_stats struct through svc_create_pooled 2024-09-04 13:23:30 +02:00
svc_xprt.c sunrpc: exclude from freezer when waiting for requests: 2024-06-16 13:39:55 +02:00
svcauth.c SUNRPC: Add svc_rqst::rq_auth_stat 2021-08-10 14:18:35 -04:00
svcauth_unix.c sunrpc: only free unix grouplist after RCU settles 2023-04-13 16:48:19 +02:00
svcsock.c nfsd: fix double fget() bug in __write_ports_addfd() 2024-04-10 16:19:28 +02:00
sysctl.c net/sunrpc: fix useless comparison in proc_do_xprt() 2020-11-08 16:28:25 -05:00
sysfs.c SUNRPC: Do not dereference non-socket transports in sysfs 2026-06-01 17:35:44 +02:00
sysfs.h SUNRPC: take a xprt offline using sysfs 2021-07-08 14:03:24 -04:00
timer.c treewide: Add SPDX license identifier for missed files 2019-05-21 10:50:45 +02:00
xdr.c NFSD: Refactor common code out of dirlist helpers 2024-04-10 16:19:17 +02:00
xprt.c timers: Get rid of del_singleshot_timer_sync() 2026-02-11 13:35:27 +01:00
xprtmultipath.c SUNRPC: Fix a suspicious RCU usage warning 2024-02-23 08:54:40 +01:00
xprtsock.c SUNRPC: Do not dereference non-socket transports in sysfs 2026-06-01 17:35:44 +02:00