static int cma_resolve_loopback(struct rdma_id_private *id_priv)
{
	struct cma_work *work;
	union ib_gid gid;
	int ret;

	work = kzalloc(sizeof *work, GFP_KERNEL);
	if (!work)
		return -ENOMEM;

	if (!id_priv->cma_dev) {
		ret = cma_bind_loopback(id_priv);
		if (ret)
			goto err;
	}

	rdma_addr_get_sgid(&id_priv->id.route.addr.dev_addr, &gid);
	rdma_addr_set_dgid(&id_priv->id.route.addr.dev_addr, &gid);

	work->id = id_priv;
	INIT_WORK(&work->work, cma_work_handler);
	work->old_state = RDMA_CM_ADDR_QUERY;
	work->new_state = RDMA_CM_ADDR_RESOLVED;
	work->event.event = RDMA_CM_EVENT_ADDR_RESOLVED;
	queue_work(cma_wq, &work->work);
	return 0;
err:
	kfree(work);
	return ret;
}

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.