1 files changed, 4 insertions, 0 deletions

diff --git a/net/ipv4/route.c b/net/ipv4/route.c
index a21021bf1409..1d2839571d2f 100644
--- a/net/ipv4/route.c
+++ b/net/ipv4/route.c
@@ -2527,6 +2527,7 @@ nla_put_failure:
 
 static int inet_rtm_getroute(struct sk_buff *in_skb, struct nlmsghdr* nlh, void *arg)
 {
+        struct net *net = in_skb->sk->sk_net;
         struct rtmsg *rtm;
         struct nlattr *tb[RTA_MAX+1];
         struct rtable *rt = NULL;
@@ -2536,6 +2537,9 @@ static int inet_rtm_getroute(struct sk_buff *in_skb, struct nlmsghdr* nlh, void
         int err;
         struct sk_buff *skb;
 
+        if (net != &init_net)
+                return -EINVAL;
+
         err = nlmsg_parse(nlh, sizeof(*rtm), tb, RTA_MAX, rtm_ipv4_policy);
         if (err < 0)
                 goto errout;