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From: Eric Blake <eblake@redhat.com>
To: Max Reitz <mreitz@redhat.com>,
	Kashyap Chamarthy <kchamart@redhat.com>,
	qemu-devel@nongnu.org
Cc: armbru@redhat.com, qemu-block@nongnu.org
Subject: Re: [Qemu-devel] Supplying QCOW2 as 'file' driver to `blockdev-add` results in a QEMU crash
Date: Wed, 15 Jun 2016 09:38:56 -0600	[thread overview]
Message-ID: <57617690.4070401@redhat.com> (raw)
In-Reply-To: <786ed869-7737-4e95-4489-7acf54dad9c6@redhat.com>

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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 fault.
>>     0x0000555555a0121f in visit_type_BlockdevRef ()
>> 	[...]
>>
>> Reproducer
>> ----------
> 
> Even simpler reproducer:
> 
> {'execute':'blockdev-add','arguments':{'options':{'driver':'raw'}}}
> 
> Seems like a QAPI problem to me, and bisecting yields
> dbf11922622685934bfb41e7cf2be9bd4a0405c0 as the culprit.

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


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


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  reply	other threads:[~2016-06-15 15:39 UTC|newest]

Thread overview: 5+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2016-06-15  9:58 [Qemu-devel] Supplying QCOW2 as 'file' driver to `blockdev-add` results in a QEMU crash Kashyap Chamarthy
2016-06-15 12:02 ` [Qemu-devel] [Qemu-block] " Kashyap Chamarthy
2016-06-15 15:17 ` [Qemu-devel] " Max Reitz
2016-06-15 15:38   ` Eric Blake [this message]
2016-06-15 16:10     ` Eric Blake

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