Re: [Qemu-devel] [PATCH for-2.7 0/4] virtio-balloon: fix stats vq migration

2016-08-15 Thread Gaudenz Steinlin
Stefan Hajnoczi writes: > Gaudenz Steinlin reported that virtqueue_pop() terminates > QEMU because the virtqueue size is exceeded following the CVE-2016-5403 fix. > I > have been unable to reproduce this or understand the root cause by code > inspection. Along the way I did

Re: [Qemu-devel] Fix for CVE-2016-5403 causes crash on migration if memory stats are enabled

2016-08-14 Thread Gaudenz Steinlin
Gaudenz Steinlin writes: > Hi > > Stefan Hajnoczi writes: > >> [ Unknown signature status ] >> On Thu, Aug 11, 2016 at 09:18:12AM +0200, Gaudenz Steinlin wrote: >>> >>> [ Please CC me on replies as I'm not subscribed to this list. ] >>

Re: [Qemu-devel] Fix for CVE-2016-5403 causes crash on migration if memory stats are enabled

2016-08-14 Thread Gaudenz Steinlin
Hi Stefan Hajnoczi writes: > [ Unknown signature status ] > On Thu, Aug 11, 2016 at 09:18:12AM +0200, Gaudenz Steinlin wrote: >> >> [ Please CC me on replies as I'm not subscribed to this list. ] >> >> Hi >> >> The Fix for CVE-2016-5403 (virti

[Qemu-devel] Fix for CVE-2016-5403 causes crash on migration if memory stats are enabled

2016-08-11 Thread Gaudenz Steinlin
[ Please CC me on replies as I'm not subscribed to this list. ] Hi The Fix for CVE-2016-5403 (virtio: error out if guest exceeds virtqueue size)[1] causes qemu to exit(1) after migration or restart from a saved state if memory statistics are enabled in libvirt. Qemu exits after printing "qemu-s