Merge tag 'clk-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git...

[karo-tx-linux.git] / net / netfilter / xt_TPROXY.c

diff --git a/net/netfilter/xt_TPROXY.c b/net/netfilter/xt_TPROXY.c
index 7f4414d26a6622a46a6479049aadc557d128dbf3..663c4c3c907284254a09e692b84f2c60567545de 100644 (file)
--- a/net/netfilter/xt_TPROXY.c
+++ b/net/netfilter/xt_TPROXY.c
@@ -127,6 +127,8 @@ nf_tproxy_get_sock_v4(struct net *net, struct sk_buff *skb, void *hp,
                                                    daddr, dport,
                                                    in->ifindex);
 
+                       if (sk && !atomic_inc_not_zero(&sk->sk_refcnt))
+                               sk = NULL;
                        /* NOTE: we return listeners even if bound to
                         * 0.0.0.0, those are filtered out in
                         * xt_socket, since xt_TPROXY needs 0 bound
@@ -195,6 +197,8 @@ nf_tproxy_get_sock_v6(struct net *net, struct sk_buff *skb, int thoff, void *hp,
                                                   daddr, ntohs(dport),
                                                   in->ifindex);
 
+                       if (sk && !atomic_inc_not_zero(&sk->sk_refcnt))
+                               sk = NULL;
                        /* NOTE: we return listeners even if bound to
                         * 0.0.0.0, those are filtered out in
                         * xt_socket, since xt_TPROXY needs 0 bound