1 files changed, 3 insertions, 0 deletions

diff --git a/net/netlink/af_netlink.c b/net/netlink/af_netlink.c
index b9e0ee4e22f5..79cc1bf36e4a 100644
--- a/net/netlink/af_netlink.c
+++ b/net/netlink/af_netlink.c
@@ -253,6 +253,9 @@ static int __netlink_deliver_tap_skb(struct sk_buff *skb,
         struct sock *sk = skb->sk;
         int ret = -ENOMEM;
 
+        if (!net_eq(dev_net(dev), sock_net(sk)))
+                return 0;
+
         dev_hold(dev);
 
         if (is_vmalloc_addr(skb->head))