On Fri, Nov 08, 2019 at 04:42:49PM +0300, Denis Plotnikov wrote:
> +    virtio_stl_p(vdev, &blkcfg.seg_max, s->conf.queue_size - 2);
[...]
> +    virtio_stl_p(vdev, &scsiconf->seg_max, s->conf.virtqueue_size - 2);

Please extend the queue_size checks to report an error when queue_size
<= 2.

Stefan