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Re: [Xen-devel] [PATCH 0/2] Xen/mem_event: Do not rely on the toolstack being bug-free

  • To: Andrew Cooper <andrew.cooper3@xxxxxxxxxx>, Xen-devel <xen-devel@xxxxxxxxxxxxx>
  • From: Razvan Cojocaru <rcojocaru@xxxxxxxxxxxxxxx>
  • Date: Thu, 17 Jul 2014 17:50:50 +0300
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  • Delivery-date: Thu, 17 Jul 2014 14:49:53 +0000
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On 07/17/2014 05:46 PM, Andrew Cooper wrote:
> On 17/07/14 15:40, Razvan Cojocaru wrote:
>> On 07/17/2014 04:10 PM, Andrew Cooper wrote:
>>> Xen performs insufficient validation of the contents of mem_event responses
>>> from the toolstack.  As a result, a buggy toolstack could cause Xen to walk
>>> off the end of a domain's vcpu list, and get out of sync with vcpu pause
>>> reference counts.
>>> These two fixes are compile tested only, as I have no way to plausibly test
>>> the mem-event functionality itself.
>> I've ran a few tests for our application (heavily based on mem_event),
>> and everything seems to work fine.
>> Hope this helps,
>> Razvan Cojocaru
> Fantastic - thanks!
> Does that mean you are happy for a "Tested-by: Razvan Cojocaru
> <rcojocaru@xxxxxxxxxxxxxxx>" tag to accompany the series?

Sure, glad to be of service.Tested-by: Razvan Cojocaru

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