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Re: [Qemu-devel] [PATCH 4/4] qcow2: Check validity of backing file name
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From: |
Eric Blake |
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Subject: |
Re: [Qemu-devel] [PATCH 4/4] qcow2: Check validity of backing file name length |
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Date: |
Tue, 19 Nov 2013 13:49:10 -0700 |
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User-agent: |
Mozilla/5.0 (X11; Linux x86_64; rv:24.0) Gecko/20100101 Thunderbird/24.1.0 |
On 11/17/2013 07:18 AM, Max Reitz wrote:
> The len variable is a signed integer, therefore it may overflow when
> reading the backing file name length from the qcow2 image header. This
> case should be handled explicitly.
>
> Signed-off-by: Max Reitz <address@hidden>
> ---
> block/qcow2.c | 5 +++++
> 1 file changed, 5 insertions(+)
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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