From mboxrd@z Thu Jan  1 00:00:00 1970
From: George Dunlap <george.dunlap@citrix.com>
Subject: [PATCH v2 01/13] x86emul/fuzz: add rudimentary limit
	checking
Date: Mon, 25 Sep 2017 15:26:36 +0100
Message-ID: <20170925142648.25959-1-george.dunlap@citrix.com>
Mime-Version: 1.0
Content-Type: text/plain; charset="utf-8"
Content-Transfer-Encoding: base64
Return-path: <xen-devel-bounces@lists.xen.org>
Received: from mail6.bemta6.messagelabs.com ([193.109.254.103])
 by lists.xenproject.org with esmtp (Exim 4.84_2)
 (envelope-from <prvs=43409e5e2=George.Dunlap@citrix.com>)
 id 1dwUM9-000429-JB
 for xen-devel@lists.xenproject.org; Mon, 25 Sep 2017 14:27:33 +0000
List-Unsubscribe: <https://lists.xen.org/cgi-bin/mailman/options/xen-devel>,
 <mailto:xen-devel-request@lists.xen.org?subject=unsubscribe>
List-Post: <mailto:xen-devel@lists.xen.org>
List-Help: <mailto:xen-devel-request@lists.xen.org?subject=help>
List-Subscribe: <https://lists.xen.org/cgi-bin/mailman/listinfo/xen-devel>,
 <mailto:xen-devel-request@lists.xen.org?subject=subscribe>
Errors-To: xen-devel-bounces@lists.xen.org
Sender: "Xen-devel" <xen-devel-bounces@lists.xen.org>
To: xen-devel@lists.xenproject.org
Cc: Ian Jackson <ian.jackson@citrix.com>, Wei Liu <wei.liu2@citrix.com>, Jan Beulich <jbeulich@suse.com>, Andrew Cooper <andrew.cooper3@citrix.com>
List-Id: xen-devel@lists.xenproject.org
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