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From: Eric Blake <eblake@redhat.com>
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Date: Wed, 15 Jun 2016 09:38:56 -0600
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Subject: Re: [Qemu-devel] Supplying QCOW2 as 'file' driver to `blockdev-add`
 results in a QEMU crash
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To: Max Reitz <mreitz@redhat.com>, Kashyap Chamarthy <kchamart@redhat.com>, qemu-devel@nongnu.org
Cc: armbru@redhat.com, qemu-block@nongnu.org

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On 06/15/2016 09:17 AM, Max Reitz wrote:
> On 15.06.2016 11:58, Kashyap Chamarthy wrote:
>> Seems like supplying "qcow2" file BlockdevDriver option to QMP
>> `blockdev-add` results in a SIGSEGV:
>>
>> 	[...]
>>     Thread 1 "qemu-system-x86" received signal SIGSEGV, Segmentation f=
ault.
>>     0x0000555555a0121f in visit_type_BlockdevRef ()
>> 	[...]
>>
>> Reproducer
>> ----------
>=20
> Even simpler reproducer:
>=20
> {'execute':'blockdev-add','arguments':{'options':{'driver':'raw'}}}
>=20
> Seems like a QAPI problem to me, and bisecting yields
> dbf11922622685934bfb41e7cf2be9bd4a0405c0 as the culprit.

I'm looking into it. Thanks for the testcase.


--=20
Eric Blake   eblake redhat com    +1-919-301-3266
Libvirt virtualization library http://libvirt.org


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