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From: Max Reitz <mreitz@redhat.com>
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Date: Mon, 9 Oct 2017 23:57:14 +0200
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Subject: Re: [Qemu-devel] [PATCH 1/3] qcow2: Fix unaligned preallocated
 truncation
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From: Max Reitz <mreitz@redhat.com>
To: qemu-block@nongnu.org
Cc: qemu-devel@nongnu.org, Kevin Wolf <kwolf@redhat.com>,
 Stefan Hajnoczi <stefanha@redhat.com>, qemu-stable <qemu-stable@nongnu.org>
Message-ID: <93d2aa5d-ca7e-d838-d042-18a31d378db4@redhat.com>
Subject: Re: [PATCH 1/3] qcow2: Fix unaligned preallocated truncation
References: <20171009215533.12530-1-mreitz@redhat.com>
 <20171009215533.12530-2-mreitz@redhat.com>
In-Reply-To: <20171009215533.12530-2-mreitz@redhat.com>
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On 2017-10-09 23:55, Max Reitz wrote:
> A qcow2 image file's length is not required to have a length that is a
> multiple of the cluster size.  However, qcow2_refcount_area() expects a=
n
> aligned value for its @start_offset parameter, so we need to round
> @old_file_size up to the next cluster boundary.
>=20
> Reported-by: pingl <pingl@redhat.com>
> Bug: https://bugzilla.redhat.com/show_bug.cgi?id=3D1414049
> Signed-off-by: Max Reitz <mreitz@redhat.com>
> ---
>  block/qcow2.c | 1 +
>  1 file changed, 1 insertion(+)

Oops, forgot:

Cc: qemu-stable@nongnu.org

(2.10.1 is out by now, but you never know.)


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