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=-2.4 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,USER_AGENT_SANE_1 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 5457AC83004 for ; Wed, 29 Apr 2020 16:36:45 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 348CB208FE for ; Wed, 29 Apr 2020 16:36:45 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=redhat.com header.i=@redhat.com header.b="ia/EBnk/" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726852AbgD2Qgo (ORCPT ); Wed, 29 Apr 2020 12:36:44 -0400 Received: from us-smtp-delivery-1.mimecast.com ([207.211.31.120]:20737 "EHLO us-smtp-1.mimecast.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1726423AbgD2Qgn (ORCPT ); Wed, 29 Apr 2020 12:36:43 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1588178202; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=PLCOuqa7ZtYZ+MUxTqaejPdid6hmi2iHBAVG7Nm83JQ=; b=ia/EBnk/bFqaLEwYppTEPszpdCdYrVqYdhmBiL7VjXYmIhslhfroN8db2QaZf50PCetJgb W6hwfffHuERcB/P/3YqeoBIyBIdrK4vlJwzqeS/boldS2Y34ipJ+Y+MbpqiSg3qUbX5wC8 zaoWHlOP6VzCRirYvinUm1EvCD1w/Kc= Received: from mimecast-mx01.redhat.com (mimecast-mx01.redhat.com [209.132.183.4]) (Using TLS) by relay.mimecast.com with ESMTP id us-mta-419-Xgl-Ofg7N2uySCyYX1Hstw-1; Wed, 29 Apr 2020 12:36:35 -0400 X-MC-Unique: Xgl-Ofg7N2uySCyYX1Hstw-1 Received: from smtp.corp.redhat.com (int-mx04.intmail.prod.int.phx2.redhat.com [10.5.11.14]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx01.redhat.com (Postfix) with ESMTPS id 2B313EC1BC; Wed, 29 Apr 2020 16:36:33 +0000 (UTC) Received: from llong.remote.csb (ovpn-115-218.rdu2.redhat.com [10.10.115.218]) by smtp.corp.redhat.com (Postfix) with ESMTP id 64B205D9C9; Wed, 29 Apr 2020 16:36:31 +0000 (UTC) Subject: Re: mm/slub: do not place freelist pointer to middle of object if redzone is on To: Markus Elfring , Changbin Du , linux-mm@kvack.org Cc: linux-kernel@vger.kernel.org, Andrew Morton , Christoph Lameter , David Rientjes , Joonsoo Kim , Kees Cook , Pekka Enberg References: <20200425235105.sye7fsbndbv24b46@mail.google.com> <20200428231855.5czf4penpbowliz6@mail.google.com> From: Waiman Long Organization: Red Hat Message-ID: <9c4c71cf-a5e0-5594-676c-80ca65d5d214@redhat.com> Date: Wed, 29 Apr 2020 12:36:30 -0400 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:68.0) Gecko/20100101 Thunderbird/68.4.1 MIME-Version: 1.0 In-Reply-To: Content-Type: text/plain; charset=utf-8; format=flowed Content-Transfer-Encoding: 7bit Content-Language: en-US X-Scanned-By: MIMEDefang 2.79 on 10.5.11.14 Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 4/29/20 4:00 AM, Markus Elfring wrote: >> Waiman just posted another fix for this issue. Let's use that patch instead. > With which patches should the situation be finally improved > also for this software component? > https://lore.kernel.org/patchwork/project/lkml/list/?submitter=21412 > > Regards, > Markus > The "mm/slub: Fix incorrect interpretation of s->offset" v3 patch that I sent out this morning should fix the problem. Cheers, Longman