--- x/net/socket.c
+++ y/net/socket.c
@@ -3782,7 +3782,11 @@ EXPORT_SYMBOL(kernel_getpeername);
 
 int kernel_sock_shutdown(struct socket *sock, enum sock_shutdown_cmd how)
 {
-	return READ_ONCE(sock->ops)->shutdown(sock, how);
+	const struct proto_ops *ops = READ_ONCE(sock->ops);
+	if (ops)
+		return ops->shutdown(sock, how);
+	else
+		return 0;
 }
 EXPORT_SYMBOL(kernel_sock_shutdown);