Commit bb6ad557 authored Oct 09, 2018 by Trond Myklebust Committed by J. Bruce Fields Oct 29, 2018

nfsd: Fix an Oops in free_session()



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>

parent bd8d7250

net/sunrpc/svc_xprt.c

+1 −1

Original line number	Diff line number	Diff line
		@@ -989,7 +989,7 @@ static void call_xpt_users(struct svc_xprt *xprt)
		spin_lock(&xprt->xpt_lock);
		while (!list_empty(&xprt->xpt_users)) {
		u = list_first_entry(&xprt->xpt_users, struct svc_xpt_user, list);
		list_del(&u->list);
		list_del_init(&u->list);
		u->callback(u);
		}
		spin_unlock(&xprt->xpt_lock);

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