void __exit bnep_sock_cleanup(void)
{
	if (bt_sock_unregister(BTPROTO_BNEP) < 0)
		BT_ERR("Can't unregister BNEP socket");

	proto_unregister(&bnep_proto);
}

The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly.