Return-Path: linux-nfs-owner@vger.kernel.org Received: from mout.gmx.net ([212.227.15.19]:55367 "EHLO mout.gmx.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755186AbaGSJ1w (ORCPT ); Sat, 19 Jul 2014 05:27:52 -0400 Message-ID: <53CA3A0E.4040400@gmx.de> Date: Sat, 19 Jul 2014 11:27:42 +0200 From: =?UTF-8?B?VG9yYWxmIEbDtnJzdGVy?= MIME-Version: 1.0 To: Kinglong Mee CC: "J. Bruce Fields" , Linux NFS mailing list Subject: Re: fuzz tested user mode linux crashed in NFS code path References: <53C10EAA.2000802@gmx.de> <53C12A93.3040803@gmail.com> <20140716185724.GC2397@fieldses.org> <20140717202721.GG30442@fieldses.org> <53C949DC.5060008@gmx.de> <53C9505D.80601@gmx.de> In-Reply-To: Content-Type: text/plain; charset=UTF-8 Sender: linux-nfs-owner@vger.kernel.org List-ID: On 07/19/2014 05:23 AM, Kinglong Mee wrote: > Lock file success, nfsd will copy stateid to the union, but the value > also influence denied. > If on x86_64 platform, only influence the len in xdr_netobj, > but on i686 platform, will influence the len and the data in xdr_netobj. > So, the problem only appears on i686 platform. OT, but wouldn't this be a good example for the coverity people to check for it too ? -- Toralf