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Re: [Qemu-devel] Supplying QCOW2 as 'file' driver to `blockdev-add` resu
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From: |
Eric Blake |
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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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Date: |
Wed, 15 Jun 2016 09:38:56 -0600 |
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User-agent: |
Mozilla/5.0 (X11; Linux x86_64; rv:38.0) Gecko/20100101 Thunderbird/38.3.0 |
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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