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Re: [Qemu-devel] [PATCH v2 4/5] qcow2: Check L1/L2/reftable entries for
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From: |
Eric Blake |
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Subject: |
Re: [Qemu-devel] [PATCH v2 4/5] qcow2: Check L1/L2/reftable entries for alignment |
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Date: |
Fri, 05 Sep 2014 09:03:15 -0600 |
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User-agent: |
Mozilla/5.0 (X11; Linux x86_64; rv:24.0) Gecko/20100101 Thunderbird/24.7.0 |
On 09/05/2014 08:07 AM, Max Reitz wrote:
> Offsets taken from the L1, L2 and refcount tables are generally assumed
> to be correctly aligned. However, this cannot be guaranteed if the image
> has been written to by something different than qemu, thus check all
> offsets taken from these tables for correct cluster alignment.
>
> Signed-off-by: Max Reitz <address@hidden>
> ---
> block/qcow2-cluster.c | 43 ++++++++++++++++++++++++++++++++++++++++---
> block/qcow2-refcount.c | 44 ++++++++++++++++++++++++++++++++++++++++++--
> 2 files changed, 82 insertions(+), 5 deletions(-)
>
Reviewed-by: Eric Blake <address@hidden>
--
Eric Blake eblake redhat com +1-919-301-3266
Libvirt virtualization library http://libvirt.org
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