From: Maxim Levitsky <mlevitsk@redhat.com>
To: qemu-devel@nongnu.org
Cc: "Kevin Wolf" <kwolf@redhat.com>,
"Vladimir Sementsov-Ogievskiy" <vsementsov@virtuozzo.com>,
"Daniel P . Berrangé" <berrange@redhat.com>,
qemu-block@nongnu.org, qemu-stable <qemu-stable@nongnu.org>,
"Max Reitz" <mreitz@redhat.com>
Subject: Re: [Qemu-devel] [PATCH 0/3] Fix qcow2+luks corruption introduced by commit 8ac0f15f335
Date: Fri, 06 Sep 2019 20:37:20 +0300 [thread overview]
Message-ID: <9a15f1ae0004338919f8f05d5e91aae0c33347b7.camel@redhat.com> (raw)
In-Reply-To: <20190906173201.7926-1-mlevitsk@redhat.com>
On Fri, 2019-09-06 at 20:31 +0300, Maxim Levitsky wrote:
> Commit 8ac0f15f335 accidently broke the COW of non changed areas
> of newly allocated clusters, when the write spans multiple clusters,
> and needs COW both prior and after the write.
> This results in 'after' COW area beeing encrypted with wrong
> sector address, which render it corrupted.
>
> Bugzilla: https://bugzilla.redhat.com/show_bug.cgi?id=1745922
>
> CC: qemu-stable <qemu-stable@nongnu.org>
I forgot to mention, huge thanks to Kevin Wolf,
for helping me to define the proper fix for this bug.
Best regards,
Maxim Levitsky
prev parent reply other threads:[~2019-09-06 17:38 UTC|newest]
Thread overview: 13+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-09-06 17:31 [Qemu-devel] [PATCH 0/3] Fix qcow2+luks corruption introduced by commit 8ac0f15f335 Maxim Levitsky
2019-09-06 17:31 ` [Qemu-devel] [PATCH 1/3] block/qcow2: refactoring of threaded encryption code Maxim Levitsky
2019-09-06 18:00 ` Eric Blake
2019-09-06 18:55 ` Maxim Levitsky
2019-09-06 19:00 ` Eric Blake
2019-09-06 19:03 ` Maxim Levitsky
2019-09-06 17:32 ` [Qemu-devel] [PATCH 2/3] block/qcow2: fix the corruption when rebasing luks encrypted files Maxim Levitsky
2019-09-06 19:17 ` Eric Blake
2019-09-06 19:46 ` Maxim Levitsky
2019-09-09 10:56 ` Kevin Wolf
2019-09-10 11:12 ` [Qemu-devel] [Qemu-stable] " Maxim Levitsky
2019-09-06 17:32 ` [Qemu-devel] [PATCH 3/3] qemu-iotests: test for bz #1745922 Maxim Levitsky
2019-09-06 17:37 ` Maxim Levitsky [this message]
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