| commit | 813dbeb656d6c90266f251d8bd2b02d445afa63f | [log] [tgz] |
|---|---|---|
| author | Jason Wang <jasowang@redhat.com> | Tue Apr 09 12:10:25 2019 +0800 |
| committer | David S. Miller <davem@davemloft.net> | Wed Apr 10 22:45:38 2019 -0700 |
| tree | 24909b6cd09af83979b11b7e7b6f5b7cc2d2ba35 | |
| parent | b4f47f3848eb70986f75d06112af7b48b7f5f462 [diff] |
vhost: reject zero size iova range
We used to accept zero size iova range which will lead a infinite loop
in translate_desc(). Fixing this by failing the request in this case.
Reported-by: syzbot+d21e6e297322a900c128@syzkaller.appspotmail.com
Fixes: 6b1e6cc7 ("vhost: new device IOTLB API")
Signed-off-by: Jason Wang <jasowang@redhat.com>
Acked-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>