NFSD: Prevent NULL dereference in nfsd4_process_cb_update()

Browse source

[ Upstream commit 1e02c641c3 ]

@ses is initialized to NULL. If __nfsd4_find_backchannel() finds no
available backchannel session, setup_callback_client() will try to
dereference @ses and segfault.

Fixes: dcbeaa68db ("nfsd4: allow backchannel recovery")
Reviewed-by: Jeff Layton <jlayton@kernel.org>
Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>

...

This commit is contained in:

Chuck Lever 2024-10-17 11:03:53 -04:00 • committed by Greg Kroah-Hartman

parent 242ee2b0ad

commit eb51733ae5

1 changed files with 2 additions and 0 deletions

Show all changes Ignore whitespace when comparing lines Ignore changes in amount of whitespace Ignore changes in whitespace at EOL

Download patch file Download diff file Expand all files Collapse all files

2

fs/nfsd/nfs4callback.c

View file