diff --git a/net/sctp/input.c b/net/sctp/input.c
index 81b4f091760eb78a22eb49b7c4988462d283af87..a2deb36b955a6a97018cecda165ce8dfacb1f2d1 100644
--- a/net/sctp/input.c
+++ b/net/sctp/input.c
@@ -1204,7 +1204,7 @@ static struct sctp_association *__sctp_rcv_walk_lookup(struct net *net,
 
 		ch = (struct sctp_chunkhdr *)ch_end;
 		chunk_num++;
-	} while (ch_end < skb_tail_pointer(skb));
+	} while (ch_end + sizeof(*ch) < skb_tail_pointer(skb));
 
 	return asoc;
 }