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>
Subject: Re: [Qemu-devel] [PATCH 1/3] qcow2: Fix unaligned preallocated truncation
Date: Mon, 9 Oct 2017 23:57:14 +0200 [thread overview]
Message-ID: <93d2aa5d-ca7e-d838-d042-18a31d378db4@redhat.com> (raw)
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 an
> aligned value for its @start_offset parameter, so we need to round
> @old_file_size up to the next cluster boundary.
>
> Reported-by: pingl <pingl@redhat.com>
> Bug: https://bugzilla.redhat.com/show_bug.cgi?id=1414049
> 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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next prev parent reply other threads:[~2017-10-09 21:57 UTC|newest]
Thread overview: 16+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-10-09 21:55 [Qemu-devel] [PATCH 0/3] qcow2: Fix preallocated truncation Max Reitz
2017-10-09 21:55 ` [Qemu-devel] [PATCH 1/3] qcow2: Fix unaligned " Max Reitz
2017-10-09 21:57 ` Max Reitz [this message]
2017-10-09 22:25 ` Eric Blake
2017-10-11 11:30 ` Max Reitz
2017-10-09 23:30 ` [Qemu-devel] [Qemu-block] " Jeff Cody
2017-10-09 21:55 ` [Qemu-devel] [PATCH 2/3] qcow2: Always execute preallocate() in a coroutine Max Reitz
2017-10-09 21:57 ` Max Reitz
2017-10-09 22:28 ` Eric Blake
2017-10-11 11:31 ` Max Reitz
2017-10-09 23:30 ` [Qemu-devel] [Qemu-block] " Jeff Cody
2017-10-09 21:55 ` [Qemu-devel] [PATCH 3/3] iotests: Add cluster_size=64k to 125 Max Reitz
2017-10-09 22:32 ` Eric Blake
2017-10-09 23:30 ` [Qemu-devel] [Qemu-block] " Jeff Cody
2017-10-11 13:23 ` [Qemu-devel] [PATCH 0/3] qcow2: Fix preallocated truncation Max Reitz
2017-10-11 15:05 ` Stefan Hajnoczi
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