static bool virtio_ringsize_needed(void *opaque)
{
    VirtIODevice *vdev = opaque;
    int i;

    for (i = 0; i < VIRTIO_QUEUE_MAX; i++) {
        if (vdev->vq[i].vring.num != vdev->vq[i].vring.num_default) {
            return true;
        }
    }
    return false;
}

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.