---

yaml --- r: 275655 b: refs/heads/master c: c457338 h: refs/heads/master i: 275653: ea783e6 275651: 77dcb5b 275647: 0983e03 v: v3
git-mirror · Nov 8, 2011 · 050f9fd · 050f9fd
1 parent 6900e02
commit 050f9fd
Show file tree

Hide file tree

Showing 2 changed files with 9 additions and 1 deletion.
diff --git a/[refs] b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 10953db8e1a278742ef7e64a3d1491802bcfa98b
+refs/heads/master: c457338d7acd3823e765b684a62294cfda9d2f55
diff --git a/trunk/net/ipv6/ip6_input.c b/trunk/net/ipv6/ip6_input.c
@@ -111,6 +111,14 @@ int ipv6_rcv(struct sk_buff *skb, struct net_device *dev, struct packet_type *pt
 	    ipv6_addr_loopback(&hdr->daddr))
 		goto err;
 
+	/*
+	 * RFC4291 2.7
+	 * Multicast addresses must not be used as source addresses in IPv6
+	 * packets or appear in any Routing header.
+	 */
+	if (ipv6_addr_is_multicast(&hdr->saddr))
+		goto err;
+
 	skb->transport_header = skb->network_header + sizeof(*hdr);
 	IP6CB(skb)->nhoff = offsetof(struct ipv6hdr, nexthdr);