The virtio spec requires byte 0 of the virtio-scsi LUN structure
to be '1'.
Signed-off-by: Venkatesh Srinivas <venkateshs@xxxxxxxxxx>
---
drivers/vhost/scsi.c | 6 ++++++
1 file changed, 6 insertions(+)
diff --git a/drivers/vhost/scsi.c b/drivers/vhost/scsi.c
index 0a025b8..e48d4a6 100644
--- a/drivers/vhost/scsi.c
+++ b/drivers/vhost/scsi.c
@@ -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]);
--
1.8.5.3
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