Merge branch 'upstream-fixes' into upstream

27 files changed, 430 insertions, 122 deletions

diff --git a/net/core/Makefile b/net/core/Makefile
index e9bd246..2645ba4 100644
--- a/net/core/Makefile
+++ b/net/core/Makefile
@@ -7,7 +7,7 @@ obj-y := sock.o request_sock.o skbuff.o iovec.o datagram.o stream.o scm.o \
 
 obj-$(CONFIG_SYSCTL) += sysctl_net_core.o
 
-obj-y		     += dev.o ethtool.o dev_mcast.o dst.o \
+obj-y		     += dev.o ethtool.o dev_mcast.o dst.o netevent.o \
 			neighbour.o rtnetlink.o utils.o link_watch.o filter.o
 
 obj-$(CONFIG_XFRM) += flow.o
diff --git a/net/core/dev.c b/net/core/dev.c
index 4d2b516..d95e262 100644
--- a/net/core/dev.c
+++ b/net/core/dev.c
@@ -1166,11 +1166,6 @@ int skb_checksum_help(struct sk_buff *skb, int inward)
 		goto out_set_summed;
 
 	if (unlikely(skb_shinfo(skb)->gso_size)) {
-		static int warned;
-
-		WARN_ON(!warned);
-		warned = 1;
-
 		/* Let GSO fix up the checksum. */
 		goto out_set_summed;
 	}
@@ -1220,11 +1215,6 @@ struct sk_buff *skb_gso_segment(struct sk_buff *skb, int features)
 	__skb_pull(skb, skb->mac_len);
 
 	if (unlikely(skb->ip_summed != CHECKSUM_HW)) {
-		static int warned;
-
-		WARN_ON(!warned);
-		warned = 1;
-
 		if (skb_header_cloned(skb) &&
 		    (err = pskb_expand_head(skb, 0, 0, GFP_ATOMIC)))
 			return ERR_PTR(err);
@@ -3429,12 +3419,9 @@ static void net_dma_rebalance(void)
 	unsigned int cpu, i, n;
 	struct dma_chan *chan;
 
-	lock_cpu_hotplug();
-
 	if (net_dma_count == 0) {
 		for_each_online_cpu(cpu)
-			rcu_assign_pointer(per_cpu(softnet_data.net_dma, cpu), NULL);
-		unlock_cpu_hotplug();
+			rcu_assign_pointer(per_cpu(softnet_data, cpu).net_dma, NULL);
 		return;
 	}
 
@@ -3447,15 +3434,13 @@ static void net_dma_rebalance(void)
 		   + (i < (num_online_cpus() % net_dma_count) ? 1 : 0));
 
 		while(n) {
-			per_cpu(softnet_data.net_dma, cpu) = chan;
+			per_cpu(softnet_data, cpu).net_dma = chan;
 			cpu = next_cpu(cpu, cpu_online_map);
 			n--;
 		}
 		i++;
 	}
 	rcu_read_unlock();
-
-	unlock_cpu_hotplug();
 }
 
 /**
diff --git a/net/core/neighbour.c b/net/core/neighbour.c
index 7ad681f..5130d2e 100644
--- a/net/core/neighbour.c
+++ b/net/core/neighbour.c
@@ -29,6 +29,7 @@
 #include <net/neighbour.h>
 #include <net/dst.h>
 #include <net/sock.h>
+#include <net/netevent.h>
 #include <linux/rtnetlink.h>
 #include <linux/random.h>
 #include <linux/string.h>
@@ -754,6 +755,7 @@ static void neigh_timer_handler(unsigned long arg)
 			neigh->nud_state = NUD_STALE;
 			neigh->updated = jiffies;
 			neigh_suspect(neigh);
+			notify = 1;
 		}
 	} else if (state & NUD_DELAY) {
 		if (time_before_eq(now, 
@@ -762,6 +764,7 @@ static void neigh_timer_handler(unsigned long arg)
 			neigh->nud_state = NUD_REACHABLE;
 			neigh->updated = jiffies;
 			neigh_connect(neigh);
+			notify = 1;
 			next = neigh->confirmed + neigh->parms->reachable_time;
 		} else {
 			NEIGH_PRINTK2("neigh %p is probed.\n", neigh);
@@ -819,6 +822,8 @@ static void neigh_timer_handler(unsigned long arg)
 out:
 		write_unlock(&neigh->lock);
 	}
+	if (notify)
+		call_netevent_notifiers(NETEVENT_NEIGH_UPDATE, neigh);
 
 #ifdef CONFIG_ARPD
 	if (notify && neigh->parms->app_probes)
@@ -926,9 +931,7 @@ int neigh_update(struct neighbour *neigh, const u8 *lladdr, u8 new,
 {
 	u8 old;
 	int err;
-#ifdef CONFIG_ARPD
 	int notify = 0;
-#endif
 	struct net_device *dev;
 	int update_isrouter = 0;
 
@@ -948,9 +951,7 @@ int neigh_update(struct neighbour *neigh, const u8 *lladdr, u8 new,
 			neigh_suspect(neigh);
 		neigh->nud_state = new;
 		err = 0;
-#ifdef CONFIG_ARPD
 		notify = old & NUD_VALID;
-#endif
 		goto out;
 	}
 
@@ -1022,9 +1023,7 @@ int neigh_update(struct neighbour *neigh, const u8 *lladdr, u8 new,
 		if (!(new & NUD_CONNECTED))
 			neigh->confirmed = jiffies -
 				      (neigh->parms->base_reachable_time << 1);
-#ifdef CONFIG_ARPD
 		notify = 1;
-#endif
 	}
 	if (new == old)
 		goto out;
@@ -1056,6 +1055,9 @@ out:
 			(neigh->flags & ~NTF_ROUTER);
 	}
 	write_unlock_bh(&neigh->lock);
+
+	if (notify)
+		call_netevent_notifiers(NETEVENT_NEIGH_UPDATE, neigh);
 #ifdef CONFIG_ARPD
 	if (notify && neigh->parms->app_probes)
 		neigh_app_notify(neigh);
diff --git a/net/core/netevent.c b/net/core/netevent.c
new file mode 100644
index 0000000..35d02c3
--- /dev/null
+++ b/net/core/netevent.c
@@ -0,0 +1,69 @@
+/*
+ *	Network event notifiers
+ *
+ *	Authors:
+ *      Tom Tucker             <tom@opengridcomputing.com>
+ *      Steve Wise             <swise@opengridcomputing.com>
+ *
+ *	This program is free software; you can redistribute it and/or
+ *      modify it under the terms of the GNU General Public License
+ *      as published by the Free Software Foundation; either version
+ *      2 of the License, or (at your option) any later version.
+ *
+ *	Fixes:
+ */
+
+#include <linux/rtnetlink.h>
+#include <linux/notifier.h>
+
+static ATOMIC_NOTIFIER_HEAD(netevent_notif_chain);
+
+/**
+ *	register_netevent_notifier - register a netevent notifier block
+ *	@nb: notifier
+ *
+ *	Register a notifier to be called when a netevent occurs.
+ *	The notifier passed is linked into the kernel structures and must
+ *	not be reused until it has been unregistered. A negative errno code
+ *	is returned on a failure.
+ */
+int register_netevent_notifier(struct notifier_block *nb)
+{
+	int err;
+
+	err = atomic_notifier_chain_register(&netevent_notif_chain, nb);
+	return err;
+}
+
+/**
+ *	netevent_unregister_notifier - unregister a netevent notifier block
+ *	@nb: notifier
+ *
+ *	Unregister a notifier previously registered by
+ *	register_neigh_notifier(). The notifier is unlinked into the
+ *	kernel structures and may then be reused. A negative errno code
+ *	is returned on a failure.
+ */
+
+int unregister_netevent_notifier(struct notifier_block *nb)
+{
+	return atomic_notifier_chain_unregister(&netevent_notif_chain, nb);
+}
+
+/**
+ *	call_netevent_notifiers - call all netevent notifier blocks
+ *      @val: value passed unmodified to notifier function
+ *      @v:   pointer passed unmodified to notifier function
+ *
+ *	Call all neighbour notifier blocks.  Parameters and return value
+ *	are as for notifier_call_chain().
+ */
+
+int call_netevent_notifiers(unsigned long val, void *v)
+{
+	return atomic_notifier_call_chain(&netevent_notif_chain, val, v);
+}
+
+EXPORT_SYMBOL_GPL(register_netevent_notifier);
+EXPORT_SYMBOL_GPL(unregister_netevent_notifier);
+EXPORT_SYMBOL_GPL(call_netevent_notifiers);
diff --git a/net/core/skbuff.c b/net/core/skbuff.c
index 476aa39..022d889 100644
--- a/net/core/skbuff.c
+++ b/net/core/skbuff.c
@@ -71,13 +71,6 @@ static kmem_cache_t *skbuff_head_cache __read_mostly;
 static kmem_cache_t *skbuff_fclone_cache __read_mostly;
 
 /*
- * lockdep: lock class key used by skb_queue_head_init():
- */
-struct lock_class_key skb_queue_lock_key;
-
-EXPORT_SYMBOL(skb_queue_lock_key);
-
-/*
  *	Keep out-of-line to prevent kernel bloat.
  *	__builtin_return_address is not used because it is not always
  *	reliable.
@@ -256,6 +249,29 @@ nodata:
 	goto out;
 }
 
+/**
+ *	__netdev_alloc_skb - allocate an skbuff for rx on a specific device
+ *	@dev: network device to receive on
+ *	@length: length to allocate
+ *	@gfp_mask: get_free_pages mask, passed to alloc_skb
+ *
+ *	Allocate a new &sk_buff and assign it a usage count of one. The
+ *	buffer has unspecified headroom built in. Users should allocate
+ *	the headroom they think they need without accounting for the
+ *	built in space. The built in space is used for optimisations.
+ *
+ *	%NULL is returned if there is no free memory.
+ */
+struct sk_buff *__netdev_alloc_skb(struct net_device *dev,
+		unsigned int length, gfp_t gfp_mask)
+{
+	struct sk_buff *skb;
+
+	skb = alloc_skb(length + NET_SKB_PAD, gfp_mask);
+	if (likely(skb))
+		skb_reserve(skb, NET_SKB_PAD);
+	return skb;
+}
 
 static void skb_drop_list(struct sk_buff **listp)
 {
@@ -846,7 +862,11 @@ int ___pskb_trim(struct sk_buff *skb, unsigned int len)
 	    unlikely((err = pskb_expand_head(skb, 0, 0, GFP_ATOMIC))))
 		return err;
 
-	for (i = 0; i < nfrags; i++) {
+	i = 0;
+	if (offset >= len)
+		goto drop_pages;
+
+	for (; i < nfrags; i++) {
 		int end = offset + skb_shinfo(skb)->frags[i].size;
 
 		if (end < len) {
@@ -854,9 +874,9 @@ int ___pskb_trim(struct sk_buff *skb, unsigned int len)
 			continue;
 		}
 
-		if (len > offset)
-			skb_shinfo(skb)->frags[i++].size = len - offset;
+		skb_shinfo(skb)->frags[i++].size = len - offset;
 
+drop_pages:
 		skb_shinfo(skb)->nr_frags = i;
 
 		for (; i < nfrags; i++)
@@ -864,7 +884,7 @@ int ___pskb_trim(struct sk_buff *skb, unsigned int len)
 
 		if (skb_shinfo(skb)->frag_list)
 			skb_drop_fraglist(skb);
-		break;
+		goto done;
 	}
 
 	for (fragp = &skb_shinfo(skb)->frag_list; (frag = *fragp);
@@ -879,6 +899,7 @@ int ___pskb_trim(struct sk_buff *skb, unsigned int len)
 				return -ENOMEM;
 
 			nfrag->next = frag->next;
+			kfree_skb(frag);
 			frag = nfrag;
 			*fragp = frag;
 		}
@@ -897,6 +918,7 @@ int ___pskb_trim(struct sk_buff *skb, unsigned int len)
 		break;
 	}
 
+done:
 	if (len > skb_headlen(skb)) {
 		skb->data_len -= skb->len - len;
 		skb->len       = len;
@@ -2042,6 +2064,7 @@ EXPORT_SYMBOL(__kfree_skb);
 EXPORT_SYMBOL(kfree_skb);
 EXPORT_SYMBOL(__pskb_pull_tail);
 EXPORT_SYMBOL(__alloc_skb);
+EXPORT_SYMBOL(__netdev_alloc_skb);
 EXPORT_SYMBOL(pskb_copy);
 EXPORT_SYMBOL(pskb_expand_head);
 EXPORT_SYMBOL(skb_checksum);
diff --git a/net/dccp/ipv6.c b/net/dccp/ipv6.c
index 9f3d4d7..610c722 100644
--- a/net/dccp/ipv6.c
+++ b/net/dccp/ipv6.c
@@ -230,7 +230,7 @@ static int dccp_v6_connect(struct sock *sk, struct sockaddr *uaddr,
 	ipv6_addr_copy(&np->saddr, saddr);
 	inet->rcv_saddr = LOOPBACK4_IPV6;
 
-	ip6_dst_store(sk, dst, NULL);
+	__ip6_dst_store(sk, dst, NULL);
 
 	icsk->icsk_ext_hdr_len = 0;
 	if (np->opt != NULL)
@@ -863,7 +863,7 @@ static struct sock *dccp_v6_request_recv_sock(struct sock *sk,
 	 * comment in that function for the gory details. -acme
 	 */
 
-	ip6_dst_store(newsk, dst, NULL);
+	__ip6_dst_store(newsk, dst, NULL);
 	newsk->sk_route_caps = dst->dev->features & ~(NETIF_F_IP_CSUM |
 						      NETIF_F_TSO);
 	newdp6 = (struct dccp6_sock *)newsk;
diff --git a/net/decnet/dn_route.c b/net/decnet/dn_route.c
index 1355614..743e9fc 100644
--- a/net/decnet/dn_route.c
+++ b/net/decnet/dn_route.c
@@ -925,8 +925,13 @@ static int dn_route_output_slow(struct dst_entry **pprt, const struct flowi *old
 		for(dev_out = dev_base; dev_out; dev_out = dev_out->next) {
 			if (!dev_out->dn_ptr)
 				continue;
-			if (dn_dev_islocal(dev_out, oldflp->fld_src))
-				break;
+			if (!dn_dev_islocal(dev_out, oldflp->fld_src))
+				continue;
+			if ((dev_out->flags & IFF_LOOPBACK) &&
+			    oldflp->fld_dst &&
+			    !dn_dev_islocal(dev_out, oldflp->fld_dst))
+				continue;
+			break;
 		}
 		read_unlock(&dev_base_lock);
 		if (dev_out == NULL)
diff --git a/net/ipv4/ip_output.c b/net/ipv4/ip_output.c
index 7c9f9a6..9bf307a 100644
--- a/net/ipv4/ip_output.c
+++ b/net/ipv4/ip_output.c
@@ -526,6 +526,8 @@ int ip_fragment(struct sk_buff *skb, int (*output)(struct sk_buff*))
 
 			err = output(skb);
 
+			if (!err)
+				IP_INC_STATS(IPSTATS_MIB_FRAGCREATES);
 			if (err || !frag)
 				break;
 
@@ -649,9 +651,6 @@ slow_path:
 		/*
 		 *	Put this fragment into the sending queue.
 		 */
-
-		IP_INC_STATS(IPSTATS_MIB_FRAGCREATES);
-
 		iph->tot_len = htons(len + hlen);
 
 		ip_send_check(iph);
@@ -659,6 +658,8 @@ slow_path:
 		err = output(skb2);
 		if (err)
 			goto fail;
+
+		IP_INC_STATS(IPSTATS_MIB_FRAGCREATES);
 	}
 	kfree_skb(skb);
 	IP_INC_STATS(IPSTATS_MIB_FRAGOKS);
diff --git a/net/ipv4/ip_sockglue.c b/net/ipv4/ip_sockglue.c
index 84f43a3..2d05c41 100644
--- a/net/ipv4/ip_sockglue.c
+++ b/net/ipv4/ip_sockglue.c
@@ -112,14 +112,19 @@ static void ip_cmsg_recv_retopts(struct msghdr *msg, struct sk_buff *skb)
 static void ip_cmsg_recv_security(struct msghdr *msg, struct sk_buff *skb)
 {
 	char *secdata;
-	u32 seclen;
+	u32 seclen, secid;
 	int err;
 
-	err = security_socket_getpeersec_dgram(skb, &secdata, &seclen);
+	err = security_socket_getpeersec_dgram(NULL, skb, &secid);
+	if (err)
+		return;
+
+	err = security_secid_to_secctx(secid, &secdata, &seclen);
 	if (err)
 		return;
 
 	put_cmsg(msg, SOL_IP, SCM_SECURITY, seclen, secdata);
+	security_release_secctx(secdata, seclen);
 }
 
 
diff --git a/net/ipv4/netfilter/ip_conntrack_sip.c b/net/ipv4/netfilter/ip_conntrack_sip.c
index fc87ce0..4f222d6 100644
--- a/net/ipv4/netfilter/ip_conntrack_sip.c
+++ b/net/ipv4/netfilter/ip_conntrack_sip.c
@@ -442,7 +442,7 @@ static int __init init(void)
 		sip[i].tuple.src.u.udp.port = htons(ports[i]);
 		sip[i].mask.src.u.udp.port = 0xFFFF;
 		sip[i].mask.dst.protonum = 0xFF;
-		sip[i].max_expected = 1;
+		sip[i].max_expected = 2;
 		sip[i].timeout = 3 * 60; /* 3 minutes */
 		sip[i].me = THIS_MODULE;
 		sip[i].help = sip_help;
diff --git a/net/ipv4/netfilter/ipt_hashlimit.c b/net/ipv4/netfilter/ipt_hashlimit.c
index 92980ab..6b66244 100644
--- a/net/ipv4/netfilter/ipt_hashlimit.c
+++ b/net/ipv4/netfilter/ipt_hashlimit.c
@@ -508,6 +508,9 @@ hashlimit_checkentry(const char *tablename,
 	if (!r->cfg.expire)
 		return 0;
 
+	if (r->name[sizeof(r->name) - 1] != '\0')
+		return 0;
+
 	/* This is the best we've got: We cannot release and re-grab lock,
 	 * since checkentry() is called before ip_tables.c grabs ipt_mutex.  
 	 * We also cannot grab the hashtable spinlock, since htable_create will 
diff --git a/net/ipv4/route.c b/net/ipv4/route.c
index 2dc6dbb..19bd49d 100644
--- a/net/ipv4/route.c
+++ b/net/ipv4/route.c
@@ -104,6 +104,7 @@
 #include <net/icmp.h>
 #include <net/xfrm.h>
 #include <net/ip_mp_alg.h>
+#include <net/netevent.h>
 #ifdef CONFIG_SYSCTL
 #include <linux/sysctl.h>
 #endif
@@ -1125,6 +1126,7 @@ void ip_rt_redirect(u32 old_gw, u32 daddr, u32 new_gw,
 	struct rtable *rth, **rthp;
 	u32  skeys[2] = { saddr, 0 };
 	int  ikeys[2] = { dev->ifindex, 0 };
+	struct netevent_redirect netevent;
 
 	if (!in_dev)
 		return;
@@ -1216,6 +1218,11 @@ void ip_rt_redirect(u32 old_gw, u32 daddr, u32 new_gw,
 					rt_drop(rt);
 					goto do_next;
 				}
+				
+				netevent.old = &rth->u.dst;
+				netevent.new = &rt->u.dst;
+				call_netevent_notifiers(NETEVENT_REDIRECT, 
+						        &netevent);
 
 				rt_del(hash, rth);
 				if (!rt_intern_hash(hash, rt, &rt))
@@ -1452,6 +1459,7 @@ static void ip_rt_update_pmtu(struct dst_entry *dst, u32 mtu)
 		}
 		dst->metrics[RTAX_MTU-1] = mtu;
 		dst_set_expires(dst, ip_rt_mtu_expires);
+		call_netevent_notifiers(NETEVENT_PMTU_UPDATE, dst);
 	}
 }
 
diff --git a/net/ipv4/tcp.c b/net/ipv4/tcp.c
index f6a2d92..934396b 100644
--- a/net/ipv4/tcp.c
+++ b/net/ipv4/tcp.c
@@ -1132,7 +1132,7 @@ int tcp_recvmsg(struct kiocb *iocb, struct sock *sk, struct msghdr *msg,
 	tp->ucopy.dma_chan = NULL;
 	preempt_disable();
 	if ((len > sysctl_tcp_dma_copybreak) && !(flags & MSG_PEEK) &&
-	    !sysctl_tcp_low_latency && __get_cpu_var(softnet_data.net_dma)) {
+	    !sysctl_tcp_low_latency && __get_cpu_var(softnet_data).net_dma) {
 		preempt_enable_no_resched();
 		tp->ucopy.pinned_list = dma_pin_iovec_pages(msg->msg_iov, len);
 	} else
@@ -1659,7 +1659,8 @@ adjudge_to_death:
 			const int tmo = tcp_fin_time(sk);
 
 			if (tmo > TCP_TIMEWAIT_LEN) {
-				inet_csk_reset_keepalive_timer(sk, tcp_fin_time(sk));
+				inet_csk_reset_keepalive_timer(sk,
+						tmo - TCP_TIMEWAIT_LEN);
 			} else {
 				tcp_time_wait(sk, TCP_FIN_WAIT2, tmo);
 				goto out;
diff --git a/net/ipv4/tcp_ipv4.c b/net/ipv4/tcp_ipv4.c
index f6f39e8..4b04c3e 100644
--- a/net/ipv4/tcp_ipv4.c
+++ b/net/ipv4/tcp_ipv4.c
@@ -438,7 +438,6 @@ void tcp_v4_err(struct sk_buff *skb, u32 info)
 			       It can f.e. if SYNs crossed.
 			     */
 		if (!sock_owned_by_user(sk)) {
-			TCP_INC_STATS_BH(TCP_MIB_ATTEMPTFAILS);
 			sk->sk_err = err;
 
 			sk->sk_error_report(sk);
@@ -874,7 +873,6 @@ int tcp_v4_conn_request(struct sock *sk, struct sk_buff *skb)
 drop_and_free:
 	reqsk_free(req);
 drop:
-	TCP_INC_STATS_BH(TCP_MIB_ATTEMPTFAILS);
 	return 0;
 }
 
diff --git a/net/ipv4/tcp_minisocks.c b/net/ipv4/tcp_minisocks.c
index 0ccb7cb..624e2b2 100644
--- a/net/ipv4/tcp_minisocks.c
+++ b/net/ipv4/tcp_minisocks.c
@@ -589,8 +589,10 @@ struct sock *tcp_check_req(struct sock *sk,struct sk_buff *skb,
 		/* RFC793: "second check the RST bit" and
 		 *	   "fourth, check the SYN bit"
 		 */
-		if (flg & (TCP_FLAG_RST|TCP_FLAG_SYN))
+		if (flg & (TCP_FLAG_RST|TCP_FLAG_SYN)) {
+			TCP_INC_STATS_BH(TCP_MIB_ATTEMPTFAILS);
 			goto embryonic_reset;
+		}
 
 		/* ACK sequence verified above, just make sure ACK is
 		 * set.  If ACK not set, just silently drop the packet.
diff --git a/net/ipv4/tcp_probe.c b/net/ipv4/tcp_probe.c
index d7d517a..b343532 100644
--- a/net/ipv4/tcp_probe.c
+++ b/net/ipv4/tcp_probe.c
@@ -114,7 +114,7 @@ static int tcpprobe_open(struct inode * inode, struct file * file)
 static ssize_t tcpprobe_read(struct file *file, char __user *buf,
 			     size_t len, loff_t *ppos)
 {
-	int error = 0, cnt;
+	int error = 0, cnt = 0;
 	unsigned char *tbuf;
 
 	if (!buf || len < 0)
diff --git a/net/ipv6/addrconf.c b/net/ipv6/addrconf.c
index 2316a43..8ea1e36 100644
--- a/net/ipv6/addrconf.c
+++ b/net/ipv6/addrconf.c
@@ -1869,15 +1869,21 @@ err_exit:
 /*
  *	Manual configuration of address on an interface
  */
-static int inet6_addr_add(int ifindex, struct in6_addr *pfx, int plen)
+static int inet6_addr_add(int ifindex, struct in6_addr *pfx, int plen,
+			  __u32 prefered_lft, __u32 valid_lft)
 {
 	struct inet6_ifaddr *ifp;
 	struct inet6_dev *idev;
 	struct net_device *dev;
+	__u8 ifa_flags = 0;
 	int scope;
 
 	ASSERT_RTNL();
 	
+	/* check the lifetime */
+	if (!valid_lft || prefered_lft > valid_lft)
+		return -EINVAL;
+
 	if ((dev = __dev_get_by_index(ifindex)) == NULL)
 		return -ENODEV;
 	
@@ -1889,10 +1895,29 @@ static int inet6_addr_add(int ifindex, struct in6_addr *pfx, int plen)
 
 	scope = ipv6_addr_scope(pfx);
 
-	ifp = ipv6_add_addr(idev, pfx, plen, scope, IFA_F_PERMANENT);
+	if (valid_lft == INFINITY_LIFE_TIME)
+		ifa_flags |= IFA_F_PERMANENT;
+	else if (valid_lft >= 0x7FFFFFFF/HZ)
+		valid_lft = 0x7FFFFFFF/HZ;
+
+	if (prefered_lft == 0)
+		ifa_flags |= IFA_F_DEPRECATED;
+	else if ((prefered_lft >= 0x7FFFFFFF/HZ) &&
+		 (prefered_lft != INFINITY_LIFE_TIME))
+		prefered_lft = 0x7FFFFFFF/HZ;
+
+	ifp = ipv6_add_addr(idev, pfx, plen, scope, ifa_flags);
+
 	if (!IS_ERR(ifp)) {
+		spin_lock(&ifp->lock);
+		ifp->valid_lft = valid_lft;
+		ifp->prefered_lft = prefered_lft;
+		ifp->tstamp = jiffies;
+		spin_unlock(&ifp->lock);
+
 		addrconf_dad_start(ifp, 0);
 		in6_ifa_put(ifp);
+		addrconf_verify(0);
 		return 0;
 	}
 
@@ -1945,7 +1970,8 @@ int addrconf_add_ifaddr(void __user *arg)
 		return -EFAULT;
 
 	rtnl_lock();
-	err = inet6_addr_add(ireq.ifr6_ifindex, &ireq.ifr6_addr, ireq.ifr6_prefixlen);
+	err = inet6_addr_add(ireq.ifr6_ifindex, &ireq.ifr6_addr, ireq.ifr6_prefixlen,
+			     INFINITY_LIFE_TIME, INFINITY_LIFE_TIME);
 	rtnl_unlock();
 	return err;
 }
@@ -2771,12 +2797,16 @@ restart:
 					ifp->idev->nd_parms->retrans_time / HZ;
 #endif
 
-			if (age >= ifp->valid_lft) {
+			if (ifp->valid_lft != INFINITY_LIFE_TIME &&
+			    age >= ifp->valid_lft) {
 				spin_unlock(&ifp->lock);
 				in6_ifa_hold(ifp);
 				read_unlock(&addrconf_hash_lock);
 				ipv6_del_addr(ifp);
 				goto restart;
+			} else if (ifp->prefered_lft == INFINITY_LIFE_TIME) {
+				spin_unlock(&ifp->lock);
+				continue;
 			} else if (age >= ifp->prefered_lft) {
 				/* jiffies - ifp->tsamp > age >= ifp->prefered_lft */
 				int deprecate = 0;
@@ -2853,7 +2883,8 @@ inet6_rtm_deladdr(struct sk_buff *skb, struct nlmsghdr *nlh, void *arg)
 		pfx = RTA_DATA(rta[IFA_ADDRESS-1]);
 	}
 	if (rta[IFA_LOCAL-1]) {
-		if (pfx && memcmp(pfx, RTA_DATA(rta[IFA_LOCAL-1]), sizeof(*pfx)))
+		if (RTA_PAYLOAD(rta[IFA_LOCAL-1]) < sizeof(*pfx) ||
+		    (pfx && memcmp(pfx, RTA_DATA(rta[IFA_LOCAL-1]), sizeof(*pfx))))
 			return -EINVAL;
 		pfx = RTA_DATA(rta[IFA_LOCAL-1]);
 	}
@@ -2864,11 +2895,61 @@ inet6_rtm_deladdr(struct sk_buff *skb, struct nlmsghdr *nlh, void *arg)
 }
 
 static int
+inet6_addr_modify(int ifindex, struct in6_addr *pfx,
+		  __u32 prefered_lft, __u32 valid_lft)
+{
+	struct inet6_ifaddr *ifp = NULL;
+	struct net_device *dev;
+	int ifa_flags = 0;
+
+	if ((dev = __dev_get_by_index(ifindex)) == NULL)
+		return -ENODEV;
+
+	if (!(dev->flags&IFF_UP))
+		return -ENETDOWN;
+
+	if (!valid_lft || (prefered_lft > valid_lft))
+		return -EINVAL;
+
+	ifp = ipv6_get_ifaddr(pfx, dev, 1);
+	if (ifp == NULL)
+		return -ENOENT;
+
+	if (valid_lft == INFINITY_LIFE_TIME)
+		ifa_flags = IFA_F_PERMANENT;
+	else if (valid_lft >= 0x7FFFFFFF/HZ)
+		valid_lft = 0x7FFFFFFF/HZ;
+
+	if (prefered_lft == 0)
+		ifa_flags = IFA_F_DEPRECATED;
+	else if ((prefered_lft >= 0x7FFFFFFF/HZ) &&
+		 (prefered_lft != INFINITY_LIFE_TIME))
+		prefered_lft = 0x7FFFFFFF/HZ;
+
+	spin_lock_bh(&ifp->lock);
+	ifp->flags = (ifp->flags & ~(IFA_F_DEPRECATED|IFA_F_PERMANENT)) | ifa_flags;
+
+	ifp->tstamp = jiffies;
+	ifp->valid_lft = valid_lft;
+	ifp->prefered_lft = prefered_lft;
+
+	spin_unlock_bh(&ifp->lock);
+	if (!(ifp->flags&IFA_F_TENTATIVE))
+		ipv6_ifa_notify(0, ifp);
+	in6_ifa_put(ifp);
+
+	addrconf_verify(0);
+
+	return 0;
+}
+
+static int
 inet6_rtm_newaddr(struct sk_buff *skb, struct nlmsghdr *nlh, void *arg)
 {
 	struct rtattr  **rta = arg;
 	struct ifaddrmsg *ifm = NLMSG_DATA(nlh);
 	struct in6_addr *pfx;
+	__u32 valid_lft = INFINITY_LIFE_TIME, prefered_lft = INFINITY_LIFE_TIME;
 
 	pfx = NULL;
 	if (rta[IFA_ADDRESS-1]) {
@@ -2877,14 +2958,34 @@ inet6_rtm_newaddr(struct sk_buff *skb, struct nlmsghdr *nlh, void *arg)
 		pfx = RTA_DATA(rta[IFA_ADDRESS-1]);
 	}
 	if (rta[IFA_LOCAL-1]) {
-		if (pfx && memcmp(pfx, RTA_DATA(rta[IFA_LOCAL-1]), sizeof(*pfx)))
+		if (RTA_PAYLOAD(rta[IFA_LOCAL-1]) < sizeof(*pfx) ||
+		    (pfx && memcmp(pfx, RTA_DATA(rta[IFA_LOCAL-1]), sizeof(*pfx))))
 			return -EINVAL;
 		pfx = RTA_DATA(rta[IFA_LOCAL-1]);
 	}
 	if (pfx == NULL)
 		return -EINVAL;
 
-	return inet6_addr_add(ifm->ifa_index, pfx, ifm->ifa_prefixlen);
+	if (rta[IFA_CACHEINFO-1]) {
+		struct ifa_cacheinfo *ci;
+		if (RTA_PAYLOAD(rta[IFA_CACHEINFO-1]) < sizeof(*ci))
+			return -EINVAL;
+		ci = RTA_DATA(rta[IFA_CACHEINFO-1]);
+		valid_lft = ci->ifa_valid;
+		prefered_lft = ci->ifa_prefered;
+	}
+
+	if (nlh->nlmsg_flags & NLM_F_REPLACE) {
+		int ret;
+		ret = inet6_addr_modify(ifm->ifa_index, pfx,
+					prefered_lft, valid_lft);
+		if (ret == 0 || !(nlh->nlmsg_flags & NLM_F_CREATE))
+			return ret;
+	}
+
+	return inet6_addr_add(ifm->ifa_index, pfx, ifm->ifa_prefixlen,
+			      prefered_lft, valid_lft);
+
 }
 
 /* Maximum length of ifa_cacheinfo attributes */
@@ -3121,6 +3222,62 @@ static int inet6_dump_ifacaddr(struct sk_buff *skb, struct netlink_callback *cb)
 	return inet6_dump_addr(skb, cb, type);
 }
 
+static int inet6_rtm_getaddr(struct sk_buff *in_skb,
+		struct nlmsghdr* nlh, void *arg)
+{
+	struct rtattr **rta = arg;
+	struct ifaddrmsg *ifm = NLMSG_DATA(nlh);
+	struct in6_addr *addr = NULL;
+	struct net_device *dev = NULL;
+	struct inet6_ifaddr *ifa;
+	struct sk_buff *skb;
+	int size = NLMSG_SPACE(sizeof(struct ifaddrmsg) + INET6_IFADDR_RTA_SPACE);
+	int err;
+
+	if (rta[IFA_ADDRESS-1]) {
+		if (RTA_PAYLOAD(rta[IFA_ADDRESS-1]) < sizeof(*addr))
+			return -EINVAL;
+		addr = RTA_DATA(rta[IFA_ADDRESS-1]);
+	}
+	if (rta[IFA_LOCAL-1]) {
+		if (RTA_PAYLOAD(rta[IFA_LOCAL-1]) < sizeof(*addr) ||
+		    (addr && memcmp(addr, RTA_DATA(rta[IFA_LOCAL-1]), sizeof(*addr))))
+			return -EINVAL;
+		addr = RTA_DATA(rta[IFA_LOCAL-1]);
+	}
+	if (addr == NULL)
+		return -EINVAL;
+
+	if (ifm->ifa_index)
+		dev = __dev_get_by_index(ifm->ifa_index);
+
+	if ((ifa = ipv6_get_ifaddr(addr, dev, 1)) == NULL)
+		return -EADDRNOTAVAIL;
+
+	if ((skb = alloc_skb(size, GFP_KERNEL)) == NULL) {
+		err = -ENOBUFS;
+		goto out;
+	}
+
+	NETLINK_CB(skb).dst_pid = NETLINK_CB(in_skb).pid;
+	err = inet6_fill_ifaddr(skb, ifa, NETLINK_CB(in_skb).pid,
+				nlh->nlmsg_seq, RTM_NEWADDR, 0);
+	if (err < 0) {
+		err = -EMSGSIZE;
+		goto out_free;
+	}
+
+	err = netlink_unicast(rtnl, skb, NETLINK_CB(in_skb).pid, MSG_DONTWAIT);
+	if (err > 0)
+		err = 0;
+out:
+	in6_ifa_put(ifa);
+	return err;
+out_free:
+	kfree_skb(skb);
+	goto out;
+}
+
 static void inet6_ifa_notify(int event, struct inet6_ifaddr *ifa)
 {
 	struct sk_buff *skb;
@@ -3363,7 +3520,8 @@ static struct rtnetlink_link inet6_rtnetlink_table[RTM_NR_MSGTYPES] = {
 	[RTM_GETLINK - RTM_BASE] = { .dumpit	= inet6_dump_ifinfo, },
 	[RTM_NEWADDR - RTM_BASE] = { .doit	= inet6_rtm_newaddr, },
 	[RTM_DELADDR - RTM_BASE] = { .doit	= inet6_rtm_deladdr, },
-	[RTM_GETADDR - RTM_BASE] = { .dumpit	= inet6_dump_ifaddr, },
+	[RTM_GETADDR - RTM_BASE] = { .doit	= inet6_rtm_getaddr,
+				     .dumpit	= inet6_dump_ifaddr, },
 	[RTM_GETMULTICAST - RTM_BASE] = { .dumpit = inet6_dump_ifmcaddr, },
 	[RTM_GETANYCAST - RTM_BASE] = { .dumpit	= inet6_dump_ifacaddr, },
 	[RTM_NEWROUTE - RTM_BASE] = { .doit	= inet6_rtm_newroute, },
diff --git a/net/ipv6/af_inet6.c b/net/ipv6/af_inet6.c
index 5a0ba58..ac85e9c 100644
--- a/net/ipv6/af_inet6.c
+++ b/net/ipv6/af_inet6.c
@@ -658,7 +658,7 @@ int inet6_sk_rebuild_header(struct sock *sk)
 			return err;
 		}
 
-		ip6_dst_store(sk, dst, NULL);
+		__ip6_dst_store(sk, dst, NULL);
 	}
 
 	return 0;
diff --git a/net/ipv6/inet6_connection_sock.c b/net/ipv6/inet6_connection_sock.c
index 5c950cc..bf49107 100644
--- a/net/ipv6/inet6_connection_sock.c
+++ b/net/ipv6/inet6_connection_sock.c
@@ -185,7 +185,7 @@ int inet6_csk_xmit(struct sk_buff *skb, int ipfragok)
 			return err;
 		}
 
-		ip6_dst_store(sk, dst, NULL);
+		__ip6_dst_store(sk, dst, NULL);
 	}
 
 	skb->dst = dst_clone(dst);
diff --git a/net/ipv6/ip6_output.c b/net/ipv6/ip6_output.c
index 3bc74ce..69451af 100644
--- a/net/ipv6/ip6_output.c
+++ b/net/ipv6/ip6_output.c
@@ -356,6 +356,7 @@ int ip6_forward(struct sk_buff *skb)
 		skb->dev = dst->dev;
 		icmpv6_send(skb, ICMPV6_TIME_EXCEED, ICMPV6_EXC_HOPLIMIT,
 			    0, skb->dev);
+		IP6_INC_STATS_BH(IPSTATS_MIB_INHDRERRORS);
 
 		kfree_skb(skb);
 		return -ETIMEDOUT;
@@ -595,6 +596,9 @@ static int ip6_fragment(struct sk_buff *skb, int (*output)(struct sk_buff *))
 			}
 			
 			err = output(skb);
+			if(!err)
+				IP6_INC_STATS(IPSTATS_MIB_FRAGCREATES);
+
 			if (err || !frag)
 				break;
 
@@ -706,12 +710,11 @@ slow_path:
 		/*
 		 *	Put this fragment into the sending queue.
 		 */
-
-		IP6_INC_STATS(IPSTATS_MIB_FRAGCREATES);
-
 		err = output(frag);
 		if (err)
 			goto fail;
+
+		IP6_INC_STATS(IPSTATS_MIB_FRAGCREATES);
 	}
 	kfree_skb(skb);
 	IP6_INC_STATS(IPSTATS_MIB_FRAGOKS);
@@ -723,48 +726,51 @@ fail:
 	return err;
 }
 
-int ip6_dst_lookup(struct sock *sk, struct dst_entry **dst, struct flowi *fl)
+static struct dst_entry *ip6_sk_dst_check(struct sock *sk,
+					  struct dst_entry *dst,
+					  struct flowi *fl)
 {
-	int err = 0;
+	struct ipv6_pinfo *np = inet6_sk(sk);
+	struct rt6_info *rt = (struct rt6_info *)dst;
 
-	*dst = NULL;
-	if (sk) {
-		struct ipv6_pinfo *np = inet6_sk(sk);
-	
-		*dst = sk_dst_check(sk, np->dst_cookie);
-		if (*dst) {
-			struct rt6_info *rt = (struct rt6_info*)*dst;
-	
-			/* Yes, checking route validity in not connected
-			 * case is not very simple. Take into account,
-			 * that we do not support routing by source, TOS,
-			 * and MSG_DONTROUTE 		--ANK (980726)
-			 *
-			 * 1. If route was host route, check that
-			 *    cached destination is current.
-			 *    If it is network route, we still may
-			 *    check its validity using saved pointer
-			 *    to the last used address: daddr_cache.
-			 *    We do not want to save whole address now,
-			 *    (because main consumer of this service
-			 *    is tcp, which has not this problem),
-			 *    so that the last trick works only on connected
-			 *    sockets.
-			 * 2. oif also should be the same.
-			 */
-			if (((rt->rt6i_dst.plen != 128 ||
-			      !ipv6_addr_equal(&fl->fl6_dst,
-					       &rt->rt6i_dst.addr))
-			     && (np->daddr_cache == NULL ||
-				 !ipv6_addr_equal(&fl->fl6_dst,
-						  np->daddr_cache)))
-			    || (fl->oif && fl->oif != (*dst)->dev->ifindex)) {
-				dst_release(*dst);
-				*dst = NULL;
-			}
-		}
+	if (!dst)
+		goto out;
+
+	/* Yes, checking route validity in not connected
+	 * case is not very simple. Take into account,
+	 * that we do not support routing by source, TOS,
+	 * and MSG_DONTROUTE 		--ANK (980726)
+	 *
+	 * 1. If route was host route, check that
+	 *    cached destination is current.
+	 *    If it is network route, we still may
+	 *    check its validity using saved pointer
+	 *    to the last used address: daddr_cache.
+	 *    We do not want to save whole address now,
+	 *    (because main consumer of this service
+	 *    is tcp, which has not this problem),
+	 *    so that the last trick works only on connected
+	 *    sockets.
+	 * 2. oif also should be the same.
+	 */
+	if (((rt->rt6i_dst.plen != 128 ||
+	      !ipv6_addr_equal(&fl->fl6_dst, &rt->rt6i_dst.addr))
+	     && (np->daddr_cache == NULL ||
+		 !ipv6_addr_equal(&fl->fl6_dst, np->daddr_cache)))
+	    || (fl->oif && fl->oif != dst->dev->ifindex)) {
+		dst_release(dst);
+		dst = NULL;
 	}
 
+out:
+	return dst;
+}
+
+static int ip6_dst_lookup_tail(struct sock *sk,
+			       struct dst_entry **dst, struct flowi *fl)
+{
+	int err;
+
 	if (*dst == NULL)
 		*dst = ip6_route_output(sk, fl);
 
@@ -773,7 +779,6 @@ int ip6_dst_lookup(struct sock *sk, struct dst_entry **dst, struct flowi *fl)
 
 	if (ipv6_addr_any(&fl->fl6_src)) {
 		err = ipv6_get_saddr(*dst, &fl->fl6_dst, &fl->fl6_src);
-
 		if (err)
 			goto out_err_release;
 	}
@@ -786,8 +791,48 @@ out_err_release:
 	return err;
 }
 
+/**
+ *	ip6_dst_lookup - perform route lookup on flow
+ *	@sk: socket which provides route info
+ *	@dst: pointer to dst_entry * for result
+ *	@fl: flow to lookup
+ *
+ *	This function performs a route lookup on the given flow.
+ *
+ *	It returns zero on success, or a standard errno code on error.
+ */
+int ip6_dst_lookup(struct sock *sk, struct dst_entry **dst, struct flowi *fl)
+{
+	*dst = NULL;
+	return ip6_dst_lookup_tail(sk, dst, fl);
+}
 EXPORT_SYMBOL_GPL(ip6_dst_lookup);
 
+/**
+ *	ip6_sk_dst_lookup - perform socket cached route lookup on flow
+ *	@sk: socket which provides the dst cache and route info
+ *	@dst: pointer to dst_entry * for result
+ *	@fl: flow to lookup
+ *
+ *	This function performs a route lookup on the given flow with the
+ *	possibility of using the cached route in the socket if it is valid.
+ *	It will take the socket dst lock when operating on the dst cache.
+ *	As a result, this function can only be used in process context.
+ *
+ *	It returns zero on success, or a standard errno code on error.
+ */
+int ip6_sk_dst_lookup(struct sock *sk, struct dst_entry **dst, struct flowi *fl)
+{
+	*dst = NULL;
+	if (sk) {
+		*dst = sk_dst_check(sk, inet6_sk(sk)->dst_cookie);
+		*dst = ip6_sk_dst_check(sk, *dst, fl);
+	}
+
+	return ip6_dst_lookup_tail(sk, dst, fl);
+}
+EXPORT_SYMBOL_GPL(ip6_sk_dst_lookup);
+
 static inline int ip6_ufo_append_data(struct sock *sk,
 			int getfrag(void *from, char *to, int offset, int len,
 			int odd, struct sk_buff *skb),
diff --git a/net/ipv6/route.c b/net/ipv6/route.c
index 87c39c9..4b16371 100644
--- a/net/ipv6/route.c
+++ b/net/ipv6/route.c
@@ -53,6 +53,7 @@
 #include <linux/rtnetlink.h>
 #include <net/dst.h>
 #include <net/xfrm.h>
+#include <net/netevent.h>
 
 #include <asm/uaccess.h>
 
@@ -742,6 +743,7 @@ static void ip6_rt_update_pmtu(struct dst_entry *dst, u32 mtu)
 			dst->metrics[RTAX_FEATURES-1] |= RTAX_FEATURE_ALLFRAG;
 		}
 		dst->metrics[RTAX_MTU-1] = mtu;
+		call_netevent_notifiers(NETEVENT_PMTU_UPDATE, dst);
 	}
 }
 
@@ -1155,6 +1157,7 @@ void rt6_redirect(struct in6_addr *dest, struct in6_addr *saddr,
 	struct rt6_info *rt, *nrt = NULL;
 	int strict;
 	struct fib6_node *fn;
+	struct netevent_redirect netevent;
 
 	/*
 	 * Get the "current" route for this destination and
@@ -1252,6 +1255,10 @@ restart:
 	if (ip6_ins_rt(nrt, NULL, NULL, NULL))
 		goto out;
 
+	netevent.old = &rt->u.dst;
+	netevent.new = &nrt->u.dst;
+	call_netevent_notifiers(NETEVENT_REDIRECT, &netevent);
+
 	if (rt->rt6i_flags&RTF_CACHE) {
 		ip6_del_rt(rt, NULL, NULL, NULL);
 		return;
diff --git a/net/ipv6/tcp_ipv6.c b/net/ipv6/tcp_ipv6.c
index 923989d..b843a65 100644
--- a/net/ipv6/tcp_ipv6.c
+++ b/net/ipv6/tcp_ipv6.c
@@ -270,7 +270,7 @@ static int tcp_v6_connect(struct sock *sk, struct sockaddr *uaddr,
 	inet->rcv_saddr = LOOPBACK4_IPV6;
 
 	sk->sk_gso_type = SKB_GSO_TCPV6;
-	ip6_dst_store(sk, dst, NULL);
+	__ip6_dst_store(sk, dst, NULL);
 
 	icsk->icsk_ext_hdr_len = 0;
 	if (np->opt)
@@ -427,7 +427,6 @@ static void tcp_v6_err(struct sk_buff *skb, struct inet6_skb_parm *opt,
 	case TCP_SYN_RECV:  /* Cannot happen.
 			       It can, it SYNs are crossed. --ANK */ 
 		if (!sock_owned_by_user(sk)) {
-			TCP_INC_STATS_BH(TCP_MIB_ATTEMPTFAILS);
 			sk->sk_err = err;
 			sk->sk_error_report(sk);		/* Wake people up to see the error (see connect in sock.c) */
 
@@ -831,7 +830,6 @@ drop:
 	if (req)
 		reqsk_free(req);
 
-	TCP_INC_STATS_BH(TCP_MIB_ATTEMPTFAILS);
 	return 0; /* don't send reset */
 }
 
@@ -947,7 +945,7 @@ static struct sock * tcp_v6_syn_recv_sock(struct sock *sk, struct sk_buff *skb,
 	 */
 
 	sk->sk_gso_type = SKB_GSO_TCPV6;
-	ip6_dst_store(newsk, dst, NULL);
+	__ip6_dst_store(newsk, dst, NULL);
 
 	newtcp6sk = (struct tcp6_sock *)newsk;
 	inet_sk(newsk)->pinet6 = &newtcp6sk->inet6;
diff --git a/net/ipv6/udp.c b/net/ipv6/udp.c
index ccc57f4..3d54f24 100644
--- a/net/ipv6/udp.c
+++ b/net/ipv6/udp.c
@@ -782,7 +782,7 @@ do_udp_sendmsg:
 		connected = 0;
 	}
 
-	err = ip6_dst_lookup(sk, &dst, fl);
+	err = ip6_sk_dst_lookup(sk, &dst, fl);
 	if (err)
 		goto out;
 	if (final_p)
diff --git a/net/ipv6/xfrm6_output.c b/net/ipv6/xfrm6_output.c
index 0eea60e..c8c8b44 100644
--- a/net/ipv6/xfrm6_output.c
+++ b/net/ipv6/xfrm6_output.c
@@ -125,7 +125,7 @@ static int xfrm6_output_finish(struct sk_buff *skb)
 	if (!skb_is_gso(skb))
 		return xfrm6_output_finish2(skb);
 
-	skb->protocol = htons(ETH_P_IP);
+	skb->protocol = htons(ETH_P_IPV6);
 	segs = skb_gso_segment(skb, 0);
 	kfree_skb(skb);
 	if (unlikely(IS_ERR(segs)))
diff --git a/net/netfilter/xt_SECMARK.c b/net/netfilter/xt_SECMARK.c
index c2ce9c4..de9537a 100644
--- a/net/netfilter/xt_SECMARK.c
+++ b/net/netfilter/xt_SECMARK.c
@@ -57,6 +57,8 @@ static int checkentry_selinux(struct xt_secmark_target_info *info)
 {
 	int err;
 	struct xt_secmark_target_selinux_info *sel = &info->u.sel;
+	
+	sel->selctx[SECMARK_SELCTX_MAX - 1] = '\0';
 
 	err = selinux_string_to_sid(sel->selctx, &sel->selsid);
 	if (err) {
diff --git a/net/netfilter/xt_string.c b/net/netfilter/xt_string.c
index 0ebb6ac..d8e3891 100644
--- a/net/netfilter/xt_string.c
+++ b/net/netfilter/xt_string.c
@@ -55,7 +55,10 @@ static int checkentry(const char *tablename,
 	/* Damn, can't handle this case properly with iptables... */
 	if (conf->from_offset > conf->to_offset)
 		return 0;
-
+	if (conf->algo[XT_STRING_MAX_ALGO_NAME_SIZE - 1] != '\0')
+	    	return 0;
+	if (conf->patlen > XT_STRING_MAX_PATTERN_SIZE)
+		return 0;
 	ts_conf = textsearch_prepare(conf->algo, conf->pattern, conf->patlen,
 				     GFP_KERNEL, TS_AUTOLOAD);
 	if (IS_ERR(ts_conf))
diff --git a/net/unix/af_unix.c b/net/unix/af_unix.c
index 6f29092..de6ec51 100644
--- a/net/unix/af_unix.c
+++ b/net/unix/af_unix.c
@@ -128,23 +128,17 @@ static atomic_t unix_nr_socks = ATOMIC_INIT(0);
 #define UNIX_ABSTRACT(sk)	(unix_sk(sk)->addr->hash != UNIX_HASH_SIZE)
 
 #ifdef CONFIG_SECURITY_NETWORK
-static void unix_get_peersec_dgram(struct sk_buff *skb)
+static void unix_get_secdata(struct scm_cookie *scm, struct sk_buff *skb)
 {
-	int err;
-
-	err = security_socket_getpeersec_dgram(skb, UNIXSECDATA(skb),
-					       UNIXSECLEN(skb));
-	if (err)
-		*(UNIXSECDATA(skb)) = NULL;
+	memcpy(UNIXSID(skb), &scm->secid, sizeof(u32));
 }
 
 static inline void unix_set_secdata(struct scm_cookie *scm, struct sk_buff *skb)
 {
-	scm->secdata = *UNIXSECDATA(skb);
-	scm->seclen = *UNIXSECLEN(skb);
+	scm->secid = *UNIXSID(skb);
 }
 #else
-static inline void unix_get_peersec_dgram(struct sk_buff *skb)
+static inline void unix_get_secdata(struct scm_cookie *scm, struct sk_buff *skb)
 { }
 
 static inline void unix_set_secdata(struct scm_cookie *scm, struct sk_buff *skb)
@@ -1322,8 +1316,7 @@ static int unix_dgram_sendmsg(struct kiocb *kiocb, struct socket *sock,
 	memcpy(UNIXCREDS(skb), &siocb->scm->creds, sizeof(struct ucred));
 	if (siocb->scm->fp)
 		unix_attach_fds(siocb->scm, skb);
-
-	unix_get_peersec_dgram(skb);
+	unix_get_secdata(siocb->scm, skb);
 
 	skb->h.raw = skb->data;
 	err = memcpy_fromiovec(skb_put(skb,len), msg->msg_iov, len);