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Re: [Qemu-block] [Qemu-devel] [PATCH for-2.11 2/5] qcow2: Unaligned zero
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From: |
Eric Blake |
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Subject: |
Re: [Qemu-block] [Qemu-devel] [PATCH for-2.11 2/5] qcow2: Unaligned zero cluster in handle_alloc() |
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Date: |
Fri, 10 Nov 2017 14:58:27 -0600 |
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User-agent: |
Mozilla/5.0 (X11; Linux x86_64; rv:52.0) Gecko/20100101 Thunderbird/52.4.0 |
On 11/10/2017 02:31 PM, Max Reitz wrote:
> We should check whether the cluster offset we are about to use is
> actually valid; that is, whether it is aligned to cluster boundaries.
>
> Reported-by: R. Nageswara Sastry <address@hidden>
> Buglink: https://bugs.launchpad.net/qemu/+bug/1728643
> Buglink: https://bugs.launchpad.net/qemu/+bug/1728657
> Signed-off-by: Max Reitz <address@hidden>
> ---
> block/qcow2-cluster.c | 13 ++++++++++++-
> tests/qemu-iotests/060 | 16 ++++++++++++++++
> tests/qemu-iotests/060.out | 10 ++++++++++
> 3 files changed, 38 insertions(+), 1 deletion(-)
>
Reviewed-by: Eric Blake <address@hidden>
--
Eric Blake, Principal Software Engineer
Red Hat, Inc. +1-919-301-3266
Virtualization: qemu.org | libvirt.org
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