nfsd: Fix an Oops in free_session()
authorTrond Myklebust <trondmy@gmail.com>
Tue, 9 Oct 2018 19:54:15 +0000 (15:54 -0400)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Tue, 13 Nov 2018 19:15:10 +0000 (11:15 -0800)
commiteecd97e13c1553dfff1c159513b6ab041f53a70a
treeb28b7cb10840dfb4e0f8a3ead211c28fee792d04
parenteecbf2c22b3f0dca05a199a8992ac2158266dfbd
nfsd: Fix an Oops in free_session()

commit bb6ad5572c0022e17e846b382d7413cdcf8055be upstream.

In call_xpt_users(), we delete the entry from the list, but we
do not reinitialise it. This triggers the list poisoning when
we later call unregister_xpt_user() in nfsd4_del_conns().

Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.com>
Cc: stable@vger.kernel.org
Signed-off-by: J. Bruce Fields <bfields@redhat.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
net/sunrpc/svc_xprt.c