struct io_context *get_io_context(gfp_t gfp_flags, int node)
{
	struct io_context *ret = NULL;

	/*
	 * Check for unlikely race with exiting task. ioc ref count is
	 * zero when ioc is being detached.
	 */
	do {
		ret = current_io_context(gfp_flags, node);
		if (unlikely(!ret))
			break;
	} while (!atomic_long_inc_not_zero(&ret->refcount));

	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.