Re: [Qemu-devel] CVE-2016-5403 results in a bug

[yue]

i basicly understand the code, i have it done next week.
do you have any suggestion?









At 2016-10-19 16:58:21, "Yadi Hu" <address@hidden> wrote:
>On 2016年10月18日 17:40, Stefan Hajnoczi wrote:
>> On Tue, Oct 18, 2016 at 10:24 AM, yue <address@hidden> wrote:
>>>      i apply this patch, 
>>> https://git.centos.org/blob/rpms!!qemu-kvm/6078803a0db76660aef491907f795bb23ad33357/SOURCES!kvm-virtio-error-out-if-guest-exceeds-virtqueue-size.patch;jsessionid=124pfc40q9ejezgb0b5qrnv6m#L33
>>>  .
>>>    but this patch always results in a bug(bug?).  a vm always exits with 
>>> '2016-10-17T07:33:40.393592Z qemu-kvm: Virtqueue size exceeded', if you 
>>> suspend and resume . (please refer to 
>>> https://wiki.openstack.org/wiki/Kvm-Pause-Suspend  to see the definiton of 
>>> suspend and resume in openstack). this operation is very commonly used in 
>>> openstack. i  am not sure if this patch is elegant .
>> Try these patches:
>> bccdef6b1a204db0f41ffb6e24ce373e4d7890d4..58a83c61496eeb0d31571a07a51bc19,
>> 4b7f91ed0270a371e1933efa21ba600b6da23ab9
>>
>
>Yue,
>
>any progress? have you tried the above fixes?
>
>Yadi