Re: [Qemu-stable] [Qemu-devel] [PATCH 0/2] virtio: fix VirtQueue->inuse field

[Peter Lieven]

Am 17.08.2016 um 15:58 schrieb Stefan Hajnoczi:
> On Mon, Aug 15, 2016 at 01:54:14PM +0100, Stefan Hajnoczi wrote:
> > The VirtQueue->inuse field is not always updated correctly.  These patches fix
> > it.
> >
> > Originally this series was called "virtio-balloon: fix stats vq migration" but
> > Ladi Prosek posted a nicer fix called "balloon: Fix failure of updating guest
> > memory status".  I dropped the virtio-balloon patches.
> >
> > Changes from previous series:
> >   * Missing comma in error formatting [Fam]
> >   * virtio_descard() -> virtio_discard() [Michael]
> >   * Multi-line comment style [Cornelia]
> >
> > Stefan Hajnoczi (2):
> >    virtio: recalculate vq->inuse after migration
> >    virtio: decrement vq->inuse in virtqueue_discard()
> >
> >   hw/virtio/virtio.c | 16 ++++++++++++++++
> >   1 file changed, 16 insertions(+)
> I should mention this is for QEMU 2.7.  These fixes are needed if the
> CVE-2016-5403 patch has been applied.
>
> Without these patches any device that holds VirtQueueElements across
> live migration will terminate with a "Virtqueue size exceeded" error
> message.  virtio-balloon and virtio-scsi are affected.  virtio-blk
> probably too but I haven't tested it.
>
> Stefan

I noticed that these patches are not in master yet and therefore
not included in the 2.7.0-rc4 tagges yesterday. Is there any issue with them?

Peter