If it is of any help, Stefan Hajnoczi has been working with me to help
fix the regressions introduced by the CVE-2016-5403 fix (upstream QEMU
commit afd9096, which is in 2.6.1 stable release) in a follow-up 2.6.2
release.
So far the following patches have been identified as being needed in
order to correct the behavior introduced with the CVE fix. The upstream
QEMU commit IDs are:
commit bccdef6b1a204db0f41ffb6e24ce373e4d7890d4
Author: Stefan Hajnoczi <stefa...@redhat.com>
Date: Mon Aug 15 13:54:15 2016 +0100
virtio: recalculate vq->inuse after migration
commit 58a83c61496eeb0d31571a07a51bc1947e3379ac
Author: Stefan Hajnoczi <stefa...@redhat.com>
Date: Mon Aug 15 13:54:16 2016 +0100
virtio: decrement vq->inuse in virtqueue_discard()
commit 4b7f91ed0270a371e1933efa21ba600b6da23ab9
Author: Stefan Hajnoczi <stefa...@redhat.com>
Date: Wed Sep 7 11:51:25 2016 -0400
virtio: zero vq->inuse in virtio_reset()
commit 104e70cae78bd4afd95d948c6aff188f10508a9c
Author: Ladi Prosek <lpro...@redhat.com>
Date: Wed Sep 7 17:20:47 2016 +0200
virtio-balloon: discard virtqueue element on reset
I believe it is the last of these which addresses the issue reported in
this bug.
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https://bugs.launchpad.net/bugs/1612089
Title:
Fix for CVE-2016-5403 causes crash on migration if memory stats are
enabled
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