]> git.baikalelectronics.ru Git - kernel.git/commit
NFS4: Fix use-after-free in trace_event_raw_event_nfs4_set_lock
authorDave Wysochanski <dwysocha@redhat.com>
Fri, 11 Dec 2020 10:12:51 +0000 (05:12 -0500)
committerTrond Myklebust <trond.myklebust@hammerspace.com>
Wed, 6 Jan 2021 17:34:57 +0000 (12:34 -0500)
commit28e2ee6dfcff061032c96d89271bd148f65559af
tree91ba14a8f9fcd7e627eb29681e144438aa90a8a6
parent7ef47eb101f0dca6dbe94b167f11a8b3cbd1be02
NFS4: Fix use-after-free in trace_event_raw_event_nfs4_set_lock

It is only safe to call the tracepoint before rpc_put_task() because
'data' is freed inside nfs4_lock_release (rpc_release).

Fixes: 313e54bac32c ("Adding stateid information to tracepoints")
Signed-off-by: Dave Wysochanski <dwysocha@redhat.com>
Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.com>
fs/nfs/nfs4proc.c