diff --git a/net/socket.c b/net/socket.c
index 2e2586e..4cdbc10 100644
--- a/net/socket.c
+++ b/net/socket.c
@@ -1996,6 +1996,9 @@
 	if (copy_from_user(kmsg, umsg, sizeof(struct msghdr)))
 		return -EFAULT;
 
+	if (kmsg->msg_name == NULL)
+		kmsg->msg_namelen = 0;
+
 	if (kmsg->msg_namelen < 0)
 		return -EINVAL;