1 files changed, 12 insertions, 0 deletions

diff --git a/net/ipv4/devinet.c b/net/ipv4/devinet.c
index b42f74617bac..c0eb26a0d0bc 100644
--- a/net/ipv4/devinet.c
+++ b/net/ipv4/devinet.c
@@ -441,6 +441,7 @@ struct in_ifaddr *inet_ifa_byprefix(struct in_device *in_dev, __be32 prefix,
 
 static int inet_rtm_deladdr(struct sk_buff *skb, struct nlmsghdr *nlh, void *arg)
 {
+        struct net *net = skb->sk->sk_net;
         struct nlattr *tb[IFA_MAX+1];
         struct in_device *in_dev;
         struct ifaddrmsg *ifm;
@@ -449,6 +450,9 @@ static int inet_rtm_deladdr(struct sk_buff *skb, struct nlmsghdr *nlh, void *arg
 
         ASSERT_RTNL();
 
+        if (net != &init_net)
+                return -EINVAL;
+
         err = nlmsg_parse(nlh, sizeof(*ifm), tb, IFA_MAX, ifa_ipv4_policy);
         if (err < 0)
                 goto errout;
@@ -560,10 +564,14 @@ errout:
 
 static int inet_rtm_newaddr(struct sk_buff *skb, struct nlmsghdr *nlh, void *arg)
 {
+        struct net *net = skb->sk->sk_net;
         struct in_ifaddr *ifa;
 
         ASSERT_RTNL();
 
+        if (net != &init_net)
+                return -EINVAL;
+
         ifa = rtm_to_ifaddr(nlh);
         if (IS_ERR(ifa))
                 return PTR_ERR(ifa);
@@ -1174,12 +1182,16 @@ nla_put_failure:
 
 static int inet_dump_ifaddr(struct sk_buff *skb, struct netlink_callback *cb)
 {
+        struct net *net = skb->sk->sk_net;
         int idx, ip_idx;
         struct net_device *dev;
         struct in_device *in_dev;
         struct in_ifaddr *ifa;
         int s_ip_idx, s_idx = cb->args[0];
 
+        if (net != &init_net)
+                return 0;
+
         s_ip_idx = ip_idx = cb->args[1];
         idx = 0;
         for_each_netdev(&init_net, dev) {