--- x/net/core/sock.c
+++ y/net/core/sock.c
@@ -2298,6 +2298,11 @@ struct sock *sk_clone_lock(const struct
 		newsk = NULL;
 		goto out;
 	}
+	if (sk_user_data_is_nocopy(newsk)) {
+		sk_free_unlock_clone(newsk);
+		newsk = NULL;
+		goto out;
+	}
 
 	/* Clear sk_user_data if parent had the pointer tagged
 	 * as not suitable for copying when cloning.