--- zzzz-none-000/linux-4.4.271/net/l2tp/l2tp_ip6.c	2021-06-03 06:22:09.000000000 +0000
+++ hawkeye-5590-750/linux-4.4.271/net/l2tp/l2tp_ip6.c	2023-04-19 10:22:30.000000000 +0000
@@ -176,7 +176,7 @@
 	}
 
 	if (l2tp_v3_ensure_opt_in_linear(session, skb, &ptr, &optr))
-		goto discard;
+		goto discard_sess;
 
 	l2tp_recv_common(session, skb, ptr, optr, 0, skb->len,
 			 tunnel->recv_payload_hook);
@@ -543,6 +543,7 @@
 	memset(&fl6, 0, sizeof(fl6));
 
 	fl6.flowi6_mark = sk->sk_mark;
+	fl6.flowi6_uid = sk->sk_uid;
 
 	if (lsa) {
 		if (addr_len < SIN6_LEN_RFC2133)