--- a/net/ipv4/fou.c
+++ b/net/ipv4/fou.c
@@ -1065,7 +1065,8 @@ static int gue_err(struct sk_buff *skb, u32 info)
         * recursion. Besides, this kind of encapsulation can't even be
         * configured currently. Discard this.
         */
-       if (guehdr->proto_ctype == IPPROTO_UDP)
+       if (guehdr->proto_ctype == IPPROTO_UDP ||
+           guehdr->proto_ctype == IPPROTO_UDPLITE)
                return -EOPNOTSUPP;
 
        skb_set_transport_header(skb, -(int)sizeof(struct icmphdr));