- long ret = bindings.CustomMessageHandler_handle_custom_message(this.ptr, msg == null ? 0 : msg.ptr, sender_node_id);
+ long ret = bindings.CustomMessageHandler_handle_custom_message(this.ptr, msg == null ? 0 : msg.ptr, InternalUtils.check_arr_len(sender_node_id, 33));
+ Reference.reachabilityFence(this);
+ Reference.reachabilityFence(msg);
+ Reference.reachabilityFence(sender_node_id);