10 files changed, 23 insertions, 15 deletions

diff --git a/include/net/addrconf.h b/include/net/addrconf.h
index 1c3a5602990e..d1697b587a1a 100644
--- a/include/net/addrconf.h
+++ b/include/net/addrconf.h
@@ -59,9 +59,11 @@ extern int			addrconf_add_ifaddr(void __user *arg);
 extern int                      addrconf_del_ifaddr(void __user *arg);
 extern int                      addrconf_set_dstaddr(void __user *arg);
 
-extern int                      ipv6_chk_addr(struct in6_addr *addr,
+extern int                      ipv6_chk_addr(struct net *net,
+                                              struct in6_addr *addr,
                                               struct net_device *dev,
                                               int strict);
+
 #if defined(CONFIG_IPV6_MIP6) || defined(CONFIG_IPV6_MIP6_MODULE)
 extern int                      ipv6_chk_home_addr(struct in6_addr *addr);
 #endif
diff --git a/net/ipv6/addrconf.c b/net/ipv6/addrconf.c
index d7b440343e97..f35c3df410df 100644
--- a/net/ipv6/addrconf.c
+++ b/net/ipv6/addrconf.c
@@ -1206,13 +1206,16 @@ static int ipv6_count_addresses(struct inet6_dev *idev)
         return cnt;
 }
 
-int ipv6_chk_addr(struct in6_addr *addr, struct net_device *dev, int strict)
+int ipv6_chk_addr(struct net *net, struct in6_addr *addr,
+                  struct net_device *dev, int strict)
 {
         struct inet6_ifaddr * ifp;
         u8 hash = ipv6_addr_hash(addr);
 
         read_lock_bh(&addrconf_hash_lock);
         for(ifp = inet6_addr_lst[hash]; ifp; ifp=ifp->lst_next) {
+                if (ifp->idev->dev->nd_net != net)
+                        continue;
                 if (ipv6_addr_equal(&ifp->addr, addr) &&
                     !(ifp->flags&IFA_F_TENTATIVE)) {
                         if (dev == NULL || ifp->idev->dev == dev ||
@@ -1223,7 +1226,6 @@ int ipv6_chk_addr(struct in6_addr *addr, struct net_device *dev, int strict)
         read_unlock_bh(&addrconf_hash_lock);
         return ifp != NULL;
 }
-
 EXPORT_SYMBOL(ipv6_chk_addr);
 
 static
diff --git a/net/ipv6/af_inet6.c b/net/ipv6/af_inet6.c
index ac8772dd968f..3150c4be3c0c 100644
--- a/net/ipv6/af_inet6.c
+++ b/net/ipv6/af_inet6.c
@@ -314,7 +314,8 @@ int inet6_bind(struct socket *sock, struct sockaddr *uaddr, int addr_len)
                          */
                         v4addr = LOOPBACK4_IPV6;
                         if (!(addr_type & IPV6_ADDR_MULTICAST)) {
-                                if (!ipv6_chk_addr(&addr->sin6_addr, dev, 0)) {
+                                if (!ipv6_chk_addr(&init_net, &addr->sin6_addr,
+                                                   dev, 0)) {
                                         if (dev)
                                                 dev_put(dev);
                                         err = -EADDRNOTAVAIL;
diff --git a/net/ipv6/anycast.c b/net/ipv6/anycast.c
index 5c4190060e75..9c7f83fbc3a1 100644
--- a/net/ipv6/anycast.c
+++ b/net/ipv6/anycast.c
@@ -89,7 +89,7 @@ int ipv6_sock_ac_join(struct sock *sk, int ifindex, struct in6_addr *addr)
                 return -EPERM;
         if (ipv6_addr_is_multicast(addr))
                 return -EINVAL;
-        if (ipv6_chk_addr(addr, NULL, 0))
+        if (ipv6_chk_addr(&init_net, addr, NULL, 0))
                 return -EINVAL;
 
         pac = sock_kmalloc(sk, sizeof(struct ipv6_ac_socklist), GFP_KERNEL);
diff --git a/net/ipv6/datagram.c b/net/ipv6/datagram.c
index f49a06aa97de..94fa6ae77cfe 100644
--- a/net/ipv6/datagram.c
+++ b/net/ipv6/datagram.c
@@ -549,7 +549,8 @@ int datagram_send_ctl(struct msghdr *msg, struct flowi *fl,
                                                 return -ENODEV;
                                 }
                         }
-                        if (!ipv6_chk_addr(&src_info->ipi6_addr, dev, 0)) {
+                        if (!ipv6_chk_addr(&init_net, &src_info->ipi6_addr,
+                                           dev, 0)) {
                                 if (dev)
                                         dev_put(dev);
                                 err = -EINVAL;
diff --git a/net/ipv6/icmp.c b/net/ipv6/icmp.c
index 5395afe55ca5..cbb5b9cf84ad 100644
--- a/net/ipv6/icmp.c
+++ b/net/ipv6/icmp.c
@@ -332,7 +332,7 @@ void icmpv6_send(struct sk_buff *skb, int type, int code, __u32 info,
          */
         addr_type = ipv6_addr_type(&hdr->daddr);
 
-        if (ipv6_chk_addr(&hdr->daddr, skb->dev, 0))
+        if (ipv6_chk_addr(&init_net, &hdr->daddr, skb->dev, 0))
                 saddr = &hdr->daddr;
 
         /*
diff --git a/net/ipv6/ip6_tunnel.c b/net/ipv6/ip6_tunnel.c
index 29b5321e39c3..425c9ae8b315 100644
--- a/net/ipv6/ip6_tunnel.c
+++ b/net/ipv6/ip6_tunnel.c
@@ -653,8 +653,8 @@ static inline int ip6_tnl_rcv_ctl(struct ip6_tnl *t)
                         ldev = dev_get_by_index(&init_net, p->link);
 
                 if ((ipv6_addr_is_multicast(&p->laddr) ||
-                     likely(ipv6_chk_addr(&p->laddr, ldev, 0))) &&
-                    likely(!ipv6_chk_addr(&p->raddr, NULL, 0)))
+                     likely(ipv6_chk_addr(&init_net, &p->laddr, ldev, 0))) &&
+                    likely(!ipv6_chk_addr(&init_net, &p->raddr, NULL, 0)))
                         ret = 1;
 
                 if (ldev)
@@ -788,12 +788,12 @@ static inline int ip6_tnl_xmit_ctl(struct ip6_tnl *t)
                 if (p->link)
                         ldev = dev_get_by_index(&init_net, p->link);
 
-                if (unlikely(!ipv6_chk_addr(&p->laddr, ldev, 0)))
+                if (unlikely(!ipv6_chk_addr(&init_net, &p->laddr, ldev, 0)))
                         printk(KERN_WARNING
                                "%s xmit: Local address not yet configured!\n",
                                p->name);
                 else if (!ipv6_addr_is_multicast(&p->raddr) &&
-                         unlikely(ipv6_chk_addr(&p->raddr, NULL, 0)))
+                         unlikely(ipv6_chk_addr(&init_net, &p->raddr, NULL, 0)))
                         printk(KERN_WARNING
                                "%s xmit: Routing loop! "
                                "Remote address found on this node!\n",
diff --git a/net/ipv6/ndisc.c b/net/ipv6/ndisc.c
index b66a1f81bd83..e217d3ff00f3 100644
--- a/net/ipv6/ndisc.c
+++ b/net/ipv6/ndisc.c
@@ -653,7 +653,7 @@ static void ndisc_solicit(struct neighbour *neigh, struct sk_buff *skb)
         struct in6_addr *target = (struct in6_addr *)&neigh->primary_key;
         int probes = atomic_read(&neigh->probes);
 
-        if (skb && ipv6_chk_addr(&ipv6_hdr(skb)->saddr, dev, 1))
+        if (skb && ipv6_chk_addr(&init_net, &ipv6_hdr(skb)->saddr, dev, 1))
                 saddr = &ipv6_hdr(skb)->saddr;
 
         if ((probes -= neigh->parms->ucast_probes) < 0) {
diff --git a/net/ipv6/raw.c b/net/ipv6/raw.c
index 45a580e843dc..cb0b110a2ac8 100644
--- a/net/ipv6/raw.c
+++ b/net/ipv6/raw.c
@@ -298,7 +298,8 @@ static int rawv6_bind(struct sock *sk, struct sockaddr *uaddr, int addr_len)
                 v4addr = LOOPBACK4_IPV6;
                 if (!(addr_type & IPV6_ADDR_MULTICAST)) {
                         err = -EADDRNOTAVAIL;
-                        if (!ipv6_chk_addr(&addr->sin6_addr, dev, 0)) {
+                        if (!ipv6_chk_addr(&init_net, &addr->sin6_addr,
+                                           dev, 0)) {
                                 if (dev)
                                         dev_put(dev);
                                 goto out;
diff --git a/net/sctp/ipv6.c b/net/sctp/ipv6.c
index bd04aed673cb..74f106a7a7e9 100644
--- a/net/sctp/ipv6.c
+++ b/net/sctp/ipv6.c
@@ -556,7 +556,7 @@ static int sctp_v6_available(union sctp_addr *addr, struct sctp_sock *sp)
         if (!(type & IPV6_ADDR_UNICAST))
                 return 0;
 
-        return ipv6_chk_addr(in6, NULL, 0);
+        return ipv6_chk_addr(&init_net, in6, NULL, 0);
 }
 
 /* This function checks if the address is a valid address to be used for
@@ -858,7 +858,8 @@ static int sctp_inet6_bind_verify(struct sctp_sock *opt, union sctp_addr *addr)
                         dev = dev_get_by_index(&init_net, addr->v6.sin6_scope_id);
                         if (!dev)
                                 return 0;
-                        if (!ipv6_chk_addr(&addr->v6.sin6_addr, dev, 0)) {
+                        if (!ipv6_chk_addr(&init_net, &addr->v6.sin6_addr,
+                                           dev, 0)) {
                                 dev_put(dev);
                                 return 0;
                         }