1 files changed, 14 insertions, 0 deletions

diff --git a/net/core/sock.c b/net/core/sock.c
index bba9949681ff..fdacf9c8f1cb 100644
--- a/net/core/sock.c
+++ b/net/core/sock.c
@@ -857,6 +857,20 @@ static inline void sock_lock_init(struct sock *sk)
                         af_family_keys + sk->sk_family);
 }
 
+static void sock_copy(struct sock *nsk, const struct sock *osk)
+{
+#ifdef CONFIG_SECURITY_NETWORK
+        void *sptr = nsk->sk_security;
+#endif
+
+        memcpy(nsk, osk, osk->sk_prot->obj_size);
+        get_net(nsk->sk_net);
+#ifdef CONFIG_SECURITY_NETWORK
+        nsk->sk_security = sptr;
+        security_sk_clone(osk, nsk);
+#endif
+}
+
 /**
  *      sk_alloc - All socket objects are allocated here
  *      @net: the applicable net namespace