Return-Path: Received: from scorn.kernelslacker.org ([45.56.101.199]:58106 "EHLO scorn.kernelslacker.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751648AbdHAPvg (ORCPT ); Tue, 1 Aug 2017 11:51:36 -0400 Date: Tue, 1 Aug 2017 11:51:31 -0400 From: "davej@codemonkey.org.uk" To: Linus Torvalds Cc: Trond Myklebust , "linux-kernel@vger.kernel.org" , "bfields@fieldses.org" , "linux-nfs@vger.kernel.org" , "schumaker.anna@gmail.com" , "linux-fsdevel@vger.kernel.org" Subject: Re: [GIT PULL] Please pull NFS client changes for Linux 4.13 Message-ID: <20170801155131.xy7nbw5ih7ml5fmf@codemonkey.org.uk> References: <20170714142543.k5xcbnb4mww3sxpy@codemonkey.org.uk> <20170716211530.sx7mn35f2mhmykug@codemonkey.org.uk> <1500245845.13893.3.camel@primarydata.com> <20170717030504.qca74wsswct26ytn@codemonkey.org.uk> <20170731154322.tfzkukscda4fe7wm@codemonkey.org.uk> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii In-Reply-To: Sender: linux-nfs-owner@vger.kernel.org List-ID: On Mon, Jul 31, 2017 at 10:35:45PM -0700, Linus Torvalds wrote: > On Mon, Jul 31, 2017 at 8:43 AM, davej@codemonkey.org.uk > wrote: > > Another NFSv4 KASAN splat, this time from rc3. > > > > BUG: KASAN: use-after-free in nfs4_exchange_id_done+0x3d7/0x8e0 [nfsv4] > > Ugh. It's really hard to tell what access that it - KASAN doesn't > actually give enough information. There's lots of 8-byte accesses > there in that function. > > Any chance of getting the output from > > ./scripts/faddr2line vmlinux nfs4_exchange_id_done+0x3d7/0x8e0 Hm, that points to this.. 7463 /* Save the EXCHANGE_ID verifier session trunk tests */ 7464 memcpy(clp->cl_confirm.data, cdata->args.verifier->data, 7465 sizeof(clp->cl_confirm.data)); Dave