Commit 7fe412d0 authored by Venkatesh Srinivas's avatar Venkatesh Srinivas Committed by Nicholas Bellinger

vhost/scsi: Check LUN structure byte 0 is set to 1, per spec

The virtio spec requires byte 0 of the virtio-scsi LUN structure
to be '1'.
Signed-off-by: default avatarVenkatesh Srinivas <venkateshs@google.com>
Reviewed-by: default avatarPaolo Bonzini <pbonzini@redhat.com>
Signed-off-by: default avatarNicholas Bellinger <nab@linux-iscsi.org>
parent 6f58c780
......@@ -1001,6 +1001,12 @@ vhost_scsi_handle_vq(struct vhost_scsi *vs, struct vhost_virtqueue *vq)
break;
}
/* virtio-scsi spec requires byte 0 of the lun to be 1 */
if (unlikely(v_req.lun[0] != 1)) {
vhost_scsi_send_bad_target(vs, vq, head, out);
continue;
}
/* Extract the tpgt */
target = v_req.lun[1];
tpg = ACCESS_ONCE(vs_tpg[target]);
......
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