Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/pablo/nf

Pablo Neira Ayuso says:

====================
The following patchset contains five fixes for Netfilter/IPVS, they are:

* A skb leak fix in fragmentation handling in case that helpers are in place,
  it occurs since the IPV6 NAT infrastructure, from Phil Oester.

* Fix SCTP port mangling in ICMP packets for IPVS, from Julian Anastasov.

* Fix event delivery in ctnetlink regarding the new connlabel infrastructure,
  from Florian Westphal.

* Fix mangling in the SIP NAT helper, from Balazs Peter Odor.

* Fix crash in ipt_ULOG introduced while adding netnamespace support,
  from Gao Feng.

I'll take care of passing several of these patches to -stable once they hit
Linus' tree.
====================
Signed-off-by: NDavid S. Miller <davem@davemloft.net>

net/ipv4/netfilter/ipt_ULOG.c

@@ -125,15 +125,16 @@ static void ulog_send(struct ulog_net *ulog, unsigned int nlgroupnum)
 /* timer function to flush queue in flushtimeout time */
 static void ulog_timer(unsigned long data)
 {
+	unsigned int groupnum = *((unsigned int *)data);
 	struct ulog_net *ulog = container_of((void *)data,
 					     struct ulog_net,
-					     nlgroup[*(unsigned int *)data]);
+					     nlgroup[groupnum]);
 	pr_debug("timer function called, calling ulog_send\n");
 
 	/* lock to protect against somebody modifying our structure
 	 * from ipt_ulog_target at the same time */
 	spin_lock_bh(&ulog->lock);
-	ulog_send(ulog, data);
+	ulog_send(ulog, groupnum);
 	spin_unlock_bh(&ulog->lock);
 }
 
@@ -407,8 +408,11 @@ static int __net_init ulog_tg_net_init(struct net *net)
 
 	spin_lock_init(&ulog->lock);
 	/* initialize ulog_buffers */
-	for (i = 0; i < ULOG_MAXNLGROUPS; i++)
-		setup_timer(&ulog->ulog_buffers[i].timer, ulog_timer, i);
+	for (i = 0; i < ULOG_MAXNLGROUPS; i++) {
+		ulog->nlgroup[i] = i;
+		setup_timer(&ulog->ulog_buffers[i].timer, ulog_timer,
+			    (unsigned long)&ulog->nlgroup[i]);
+	}
 
 	ulog->nflognl = netlink_kernel_create(net, NETLINK_NFLOG, &cfg);
 	if (!ulog->nflognl)

net/ipv6/netfilter/nf_conntrack_l3proto_ipv6.c

@@ -204,7 +204,7 @@ static unsigned int __ipv6_conntrack_in(struct net *net,
 		if (ct != NULL && !nf_ct_is_untracked(ct)) {
 			help = nfct_help(ct);
 			if ((help && help->helper) || !nf_ct_is_confirmed(ct)) {
-				nf_conntrack_get_reasm(skb);
+				nf_conntrack_get_reasm(reasm);
 				NF_HOOK_THRESH(NFPROTO_IPV6, hooknum, reasm,
 					       (struct net_device *)in,
 					       (struct net_device *)out,

net/netfilter/ipvs/ip_vs_core.c

@@ -1442,7 +1442,8 @@ ip_vs_in_icmp(struct sk_buff *skb, int *related, unsigned int hooknum)
 
 	/* do the statistics and put it back */
 	ip_vs_in_stats(cp, skb);
-	if (IPPROTO_TCP == cih->protocol || IPPROTO_UDP == cih->protocol)
+	if (IPPROTO_TCP == cih->protocol || IPPROTO_UDP == cih->protocol ||
+	    IPPROTO_SCTP == cih->protocol)
 		offset += 2 * sizeof(__u16);
 	verdict = ip_vs_icmp_xmit(skb, cp, pp, offset, hooknum, &ciph);
 

net/netfilter/nf_conntrack_labels.c

@@ -45,7 +45,7 @@ int nf_connlabel_set(struct nf_conn *ct, u16 bit)
 	if (test_bit(bit, labels->bits))
 		return 0;
 
-	if (test_and_set_bit(bit, labels->bits))
+	if (!test_and_set_bit(bit, labels->bits))
 		nf_conntrack_event_cache(IPCT_LABEL, ct);
 
 	return 0;

net/netfilter/nf_conntrack_netlink.c

@@ -1825,6 +1825,7 @@ ctnetlink_new_conntrack(struct sock *ctnl, struct sk_buff *skb,
 			nf_conntrack_eventmask_report((1 << IPCT_REPLY) |
 						      (1 << IPCT_ASSURED) |
 						      (1 << IPCT_HELPER) |
+						      (1 << IPCT_LABEL) |
 						      (1 << IPCT_PROTOINFO) |
 						      (1 << IPCT_NATSEQADJ) |
 						      (1 << IPCT_MARK),

net/netfilter/nf_nat_sip.c

@@ -230,9 +230,10 @@ static unsigned int nf_nat_sip(struct sk_buff *skb, unsigned int protoff,
 					&ct->tuplehash[!dir].tuple.src.u3,
 					false);
 			if (!mangle_packet(skb, protoff, dataoff, dptr, datalen,
-					   poff, plen, buffer, buflen))
+					   poff, plen, buffer, buflen)) {
 				nf_ct_helper_log(skb, ct, "cannot mangle received");
 				return NF_DROP;
+			}
 		}
 
 		/* The rport= parameter (RFC 3581) contains the port number