Merge bk://kernel.bkbits.net/davem/net-2.6

into ppc970.osdl.org:/home/torvalds/v2.6/linux

net/ipv4/netfilter/ip_conntrack_core.c

@@ -324,8 +324,9 @@ destroy_conntrack(struct nf_conntrack *nfct)
 		ip_conntrack_destroyed(ct);
 
 	WRITE_LOCK(&ip_conntrack_lock);
-	/* Delete us from our own list to prevent corruption later */
-	list_del(&ct->sibling_list);
+	/* Make sure don't leave any orphaned expectations lying around */
+	if (ct->expecting)
+		remove_expectations(ct, 1);
 
 	/* Delete our master expectation */
 	if (ct->master) {
@@ -1127,10 +1128,8 @@ int ip_conntrack_alter_reply(struct ip_conntrack *conntrack,
 	DUMP_TUPLE(newreply);
 
 	conntrack->tuplehash[IP_CT_DIR_REPLY].tuple = *newreply;
-	if (!conntrack->master)
-		conntrack->helper = LIST_FIND(&helpers, helper_cmp,
-					      struct ip_conntrack_helper *,
-					      newreply);
+	if (!conntrack->master && list_empty(&conntrack->sibling_list))
+		conntrack->helper = ip_ct_find_helper(newreply);
 	WRITE_UNLOCK(&ip_conntrack_lock);
 
 	return 1;

net/ipv4/netfilter/ip_conntrack_proto_tcp.c

@@ -177,6 +177,8 @@ static int tcp_packet(struct ip_conntrack *conntrack,
 
 	if (skb_copy_bits(skb, skb->nh.iph->ihl * 4, &tcph, sizeof(tcph)) != 0)
 		return -1;
+	if (skb->len < skb->nh.iph->ihl * 4 + tcph.doff * 4)
+		return -1;
 
 	/* If only reply is a RST, we can consider ourselves not to
 	   have an established connection: this is a fairly common

net/ipv6/udp.c

@@ -572,34 +572,26 @@ static void udpv6_mcast_deliver(struct udphdr *uh,
 				struct sk_buff *skb)
 {
 	struct sock *sk, *sk2;
-	struct sk_buff *buff;
 	int dif;
 
 	read_lock(&udp_hash_lock);
 	sk = sk_head(&udp_hash[ntohs(uh->dest) & (UDP_HTABLE_SIZE - 1)]);
 	dif = skb->dev->ifindex;
 	sk = udp_v6_mcast_next(sk, uh->dest, daddr, uh->source, saddr, dif);
-	if (!sk)
-		goto free_skb;
+	if (!sk) {
+		kfree_skb(skb);
+		goto out;
+	}
 
-	buff = NULL;
 	sk2 = sk;
 	while ((sk2 = udp_v6_mcast_next(sk_next(sk2), uh->dest, daddr,
 					uh->source, saddr, dif))) {
-		if (!buff) {
-			buff = skb_clone(skb, GFP_ATOMIC);
-			if (!buff)
-				continue;
-		}
-		if (udpv6_queue_rcv_skb(sk2, buff) >= 0)
-			buff = NULL;
-	}
+		struct sk_buff *buff = skb_clone(skb, GFP_ATOMIC);
 		if (buff)
-		kfree_skb(buff);
-	if (udpv6_queue_rcv_skb(sk, skb) < 0) {
-free_skb:
-		kfree_skb(skb);
+			udpv6_queue_rcv_skb(sk2, buff);
 	}
+	udpv6_queue_rcv_skb(sk, skb);
+out:
 	read_unlock(&udp_hash_lock);
 }