---

yaml --- r: 188864 b: refs/heads/master c: 97e3ecd h: refs/heads/master v: v3
git-mirror · Mar 20, 2010 · f7c9920 · f7c9920
1 parent 9449553
commit f7c9920
Show file tree

Hide file tree

Showing 2 changed files with 6 additions and 1 deletion.
diff --git a/[refs] b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 10414444cb8a8ee8893e00390b7cf40502e28352
+refs/heads/master: 97e3ecd112ba45eb217cddab59f48659bc15d9d0
diff --git a/trunk/net/ipv4/tcp_ipv4.c b/trunk/net/ipv4/tcp_ipv4.c
@@ -370,6 +370,11 @@ void tcp_v4_err(struct sk_buff *icmp_skb, u32 info)
 	if (sk->sk_state == TCP_CLOSE)
 		goto out;
 
+	if (unlikely(iph->ttl < inet_sk(sk)->min_ttl)) {
+		NET_INC_STATS_BH(net, LINUX_MIB_TCPMINTTLDROP);
+		goto out;
+	}
+
 	icsk = inet_csk(sk);
 	tp = tcp_sk(sk);
 	seq = ntohl(th->seq);