static void cma_process_remove(struct cma_device *cma_dev)
{
	struct rdma_id_private *id_priv;
	int ret;

	mutex_lock(&lock);
	while (!list_empty(&cma_dev->id_list)) {
		id_priv = list_entry(cma_dev->id_list.next,
				     struct rdma_id_private, list);

		list_del(&id_priv->listen_list);
		list_del_init(&id_priv->list);
		atomic_inc(&id_priv->refcount);
		mutex_unlock(&lock);

		ret = id_priv->internal_id ? 1 : cma_remove_id_dev(id_priv);
		cma_deref_id(id_priv);
		if (ret)
			rdma_destroy_id(&id_priv->id);

		mutex_lock(&lock);
	}
	mutex_unlock(&lock);

	cma_deref_dev(cma_dev);
	wait_for_completion(&cma_dev->comp);
}

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.