From mboxrd@z Thu Jan  1 00:00:00 1970
Received: from eggs.gnu.org ([2001:4830:134:3::10]:36340)
	by lists.gnu.org with esmtp (Exim 4.71)
	(envelope-from <alex.williamson@redhat.com>) id 1aiS21-00061M-4D
	for qemu-devel@nongnu.org; Tue, 22 Mar 2016 15:31:57 -0400
Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71)
	(envelope-from <alex.williamson@redhat.com>) id 1aiS1y-0001tF-7I
	for qemu-devel@nongnu.org; Tue, 22 Mar 2016 15:31:57 -0400
Received: from mx1.redhat.com ([209.132.183.28]:59849)
	by eggs.gnu.org with esmtp (Exim 4.71)
	(envelope-from <alex.williamson@redhat.com>) id 1aiS1y-0001sy-2J
	for qemu-devel@nongnu.org; Tue, 22 Mar 2016 15:31:54 -0400
Received: from int-mx10.intmail.prod.int.phx2.redhat.com
	(int-mx10.intmail.prod.int.phx2.redhat.com [10.5.11.23])
	by mx1.redhat.com (Postfix) with ESMTPS id B7CA07823F
	for <qemu-devel@nongnu.org>; Tue, 22 Mar 2016 19:31:53 +0000 (UTC)
Date: Tue, 22 Mar 2016 13:31:50 -0600
From: Alex Williamson <alex.williamson@redhat.com>
Message-ID: <20160322133150.5ba2f25f@t450s.home>
In-Reply-To: <jpgwpou1gdn.fsf@linux.bootlegged.copy>
References: <jpg8u1blcdp.fsf@linux.bootlegged.copy>
	<20160322030112.GA28183@pxdev.xzpeter.org>
	<jpgwpou1gdn.fsf@linux.bootlegged.copy>
MIME-Version: 1.0
Content-Type: text/plain; charset=US-ASCII
Content-Transfer-Encoding: 7bit
Subject: Re: [Qemu-devel] [PATCH] vfio: add check for memory region overflow
 condition
List-Id: <qemu-devel.nongnu.org>
List-Unsubscribe: <https://lists.nongnu.org/mailman/options/qemu-devel>,
	<mailto:qemu-devel-request@nongnu.org?subject=unsubscribe>
List-Archive: <http://lists.nongnu.org/archive/html/qemu-devel>
List-Post: <mailto:qemu-devel@nongnu.org>
List-Help: <mailto:qemu-devel-request@nongnu.org?subject=help>
List-Subscribe: <https://lists.nongnu.org/mailman/listinfo/qemu-devel>,
	<mailto:qemu-devel-request@nongnu.org?subject=subscribe>
To: Bandan Das <bsd@redhat.com>
Cc: qemu-devel <qemu-devel@nongnu.org>, Peter Xu <peterx@redhat.com>

On Tue, 22 Mar 2016 15:07:00 -0400
Bandan Das <bsd@redhat.com> wrote:

> Peter Xu <peterx@redhat.com> writes:
> 
> > On Mon, Mar 21, 2016 at 06:00:50PM -0400, Bandan Das wrote:  
> >> 
> >> vfio_listener_region_add for a iommu mr results in
> >> an overflow assert since emulated iommu memory region is initialized
> >> with UINT64_MAX. Add a check just like memory_region_size()
> >> does.  
> >
> > Hi, Bandan,
> >
> > In case you missed this:
> >
> > https://lists.gnu.org/archive/html/qemu-devel/2016-03/msg02865.html  
> 
> Thank you Peter, I wasn't aware. But unfortunately, I don't think he's doing the right
> thing either when handing @end ? Oh well, it's a RFC :) 

Agree, the fix there is bogus too.