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Re: [Qemu-devel] [PATCH] qemu-iotests: Test snapshot=on with nonexistent

From: Alberto Garcia
Subject: Re: [Qemu-devel] [PATCH] qemu-iotests: Test snapshot=on with nonexistent TMPDIR
Date: Mon, 10 Sep 2018 12:42:16 +0200
User-agent: Notmuch/0.18.2 (http://notmuchmail.org) Emacs/24.4.1 (i586-pc-linux-gnu)

On Mon 10 Sep 2018 11:57:48 AM CEST, Kevin Wolf wrote:
> Am 10.09.2018 um 11:29 hat Alberto Garcia geschrieben:
>> We just fixed a bug that was causing a use-after-free when QEMU was
>> unable to create a temporary snapshot. This is a test case for this
>> scenario.
>> Signed-off-by: Alberto Garcia <address@hidden>
> Hm, it actually doesn't crash for me even without the fix. Anyway, I
> don't have a good idea to make it more likely to crash and it's
> certainly better than nothing.

Yeah, I had the same problem, I could make it crash very easily last
week, and I can make it crash with the QEMU package shipped with my
distro, but I tried now with master and it doesn't crash. Well, it's
undefined behavior after all :-)


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