From mboxrd@z Thu Jan  1 00:00:00 1970
From: Razvan Cojocaru <rcojocaru@bitdefender.com>
Subject: Re: [PATCH 0/2] Xen/mem_event: Do not rely on the
 toolstack being bug-free
Date: Thu, 17 Jul 2014 17:40:13 +0300
Message-ID: <53C7E04D.2020403@bitdefender.com>
References: <1405602637-8321-1-git-send-email-andrew.cooper3@citrix.com>
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To: Andrew Cooper <andrew.cooper3@citrix.com>, Xen-devel <xen-devel@lists.xen.org>
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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