From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-0.9 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI, SPF_HELO_NONE,SPF_PASS autolearn=no autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id E8485C433E0 for ; Thu, 4 Jun 2020 17:52:02 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id C6279206DC for ; Thu, 4 Jun 2020 17:52:02 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=chromium.org header.i=@chromium.org header.b="f/rmIX2O" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1730274AbgFDRwB (ORCPT ); Thu, 4 Jun 2020 13:52:01 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:56572 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1730055AbgFDRwB (ORCPT ); Thu, 4 Jun 2020 13:52:01 -0400 Received: from mail-pj1-x1044.google.com (mail-pj1-x1044.google.com [IPv6:2607:f8b0:4864:20::1044]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 4B4D1C08C5C0 for ; Thu, 4 Jun 2020 10:52:01 -0700 (PDT) Received: by mail-pj1-x1044.google.com with SMTP id fs4so1438285pjb.5 for ; Thu, 04 Jun 2020 10:52:01 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=chromium.org; s=google; h=date:from:to:cc:subject:message-id:references:mime-version :content-disposition:in-reply-to; bh=qaoQRHYuWirhQ83i+fNS4H0fknYzhKxkt6zmjLs44oE=; b=f/rmIX2O3O5HUglhNmxahPTem94vBTlvk4JUufgpO8mRRmbfmsBjg7rXOFIOEO6rWQ KxU9fxxevzlcHXjIa8mI4MgnlO0FL4xvf221+M50jTnJM1QQakRRJnecjre/hoYE/HPK EVRwAAjjxuADf/alqt7VNYz/mQBCKwyUT3aUo= X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:date:from:to:cc:subject:message-id:references :mime-version:content-disposition:in-reply-to; bh=qaoQRHYuWirhQ83i+fNS4H0fknYzhKxkt6zmjLs44oE=; b=MDKiwZWY7t/XSho1HMbXx+cgdPEY79uwOrkw6h2AKZavVOJZwjAVrDaeWNfTBHt9+y 0nKKVBHxwRdyGz+pPxp69YHsK2JXZ2hX/0n9j6c9psEpfG/qXWccM3ruVdZbor1CiQMR F35nhJbJ9sZb/RyGxfhu6AgYVH/idWWK2RrxaxNeZmzBUlHbs4KYWNAUZFFmgDyrtAxa tGmUi84O8UWnfmRupLtscCr6Qvsp3yIGg6YHfxW3ZF5kUiBRusOwwhidOBsqsaJpTUOv gsyhc76EFB4Na/mfFJqmoLcvTUWuKOlP1I9M+fqt3BB+MPUx7WB/baiTqoAzE2oNmpAV uG0Q== X-Gm-Message-State: AOAM533Q+B5BeCmDDSIMhhj4dXpabLyv8JgJ7AHtbLGdKQ7BfASxa0B6 8oX9+7If+y5IKE7c/cwkFaO20Q== X-Google-Smtp-Source: ABdhPJwjiDVuThcbOn0ps6jBSIPeXaBHyg0/HA9sRD14Mpe25WmBiFWt30f7PCSO0Ll+qqpnju384Q== X-Received: by 2002:a17:902:b18b:: with SMTP id s11mr5762706plr.160.1591293120849; Thu, 04 Jun 2020 10:52:00 -0700 (PDT) Received: from www.outflux.net (smtp.outflux.net. [198.145.64.163]) by smtp.gmail.com with ESMTPSA id u21sm4986467pfn.123.2020.06.04.10.51.59 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 04 Jun 2020 10:52:00 -0700 (PDT) Date: Thu, 4 Jun 2020 10:51:59 -0700 From: Kees Cook To: Vegard Nossum Cc: Vlastimil Babka , Christoph Lameter , Andrew Morton , Marco Elver , Waiman Long , LKML , Linux MM Subject: Re: slub freelist issue / BUG: unable to handle page fault for address: 000000003ffe0018 Message-ID: <202006041051.B542F1D@keescook> References: <4dc93ff8-f86e-f4c9-ebeb-6d3153a78d03@oracle.com> <7839183d-1c0b-da02-73a2-bf5e1e8b02b9@suse.cz> <94296941-1073-913c-2adb-bf2e41be9f0f@oracle.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <94296941-1073-913c-2adb-bf2e41be9f0f@oracle.com> Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Thu, Jun 04, 2020 at 07:20:18PM +0200, Vegard Nossum wrote: > On 2020-06-04 19:18, Vlastimil Babka wrote: > > On 6/4/20 7:14 PM, Vegard Nossum wrote: > > > > > > Hi all, > > > > > > I ran into a boot problem with latest linus/master > > > (6929f71e46bdddbf1c4d67c2728648176c67c555) that manifests like this: > > > > Hi, what's the .config you use? > > Pretty much x86_64 defconfig minus a few options (PCI, USB, ...) What are you boot parameters? This must be another corner case... (I'll try reproducing with your .config) -- Kees Cook