static void vring_desc_read(VirtIODevice *vdev, VRingDesc *desc,
                            hwaddr desc_pa, int i)
{
    address_space_read(&address_space_memory, desc_pa + i * sizeof(VRingDesc),
                       MEMTXATTRS_UNSPECIFIED, (void *)desc, sizeof(VRingDesc));
    virtio_tswap64s(vdev, &desc->addr);
    virtio_tswap32s(vdev, &desc->len);
    virtio_tswap16s(vdev, &desc->flags);
    virtio_tswap16s(vdev, &desc->next);
}

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.