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-rw-r--r--net/xfrm/xfrm_replay.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/net/xfrm/xfrm_replay.c b/net/xfrm/xfrm_replay.c
index e8a781422feb..47f1b8638df9 100644
--- a/net/xfrm/xfrm_replay.c
+++ b/net/xfrm/xfrm_replay.c
@@ -535,6 +535,9 @@ int xfrm_init_replay(struct xfrm_state *x)
 		    replay_esn->bmp_len * sizeof(__u32) * 8)
 			return -EINVAL;
 
+	if ((x->props.flags & XFRM_STATE_ESN) && replay_esn->replay_window == 0)
+		return -EINVAL;
+
 	if ((x->props.flags & XFRM_STATE_ESN) && x->replay_esn)
 		x->repl = &xfrm_replay_esn;
 	else