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[23.128.96.18]) by mx.google.com with ESMTP id z5si1565735edj.29.2020.04.28.16.23.40; Tue, 28 Apr 2020 16:24:04 -0700 (PDT) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) client-ip=23.128.96.18; Authentication-Results: mx.google.com; dkim=pass header.i=@gmail.com header.s=20161025 header.b=ecrgQDUm; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=NONE sp=QUARANTINE dis=NONE) header.from=gmail.com Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726279AbgD1XTE (ORCPT + 99 others); Tue, 28 Apr 2020 19:19:04 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:60688 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-FAIL-OK-FAIL) by vger.kernel.org with ESMTP id S1725853AbgD1XTE (ORCPT ); Tue, 28 Apr 2020 19:19:04 -0400 Received: from mail-pf1-x42f.google.com (mail-pf1-x42f.google.com [IPv6:2607:f8b0:4864:20::42f]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 20A2AC03C1AC for ; Tue, 28 Apr 2020 16:19:03 -0700 (PDT) Received: by mail-pf1-x42f.google.com with SMTP id r14so147388pfg.2 for ; Tue, 28 Apr 2020 16:19:03 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=date:from:to:cc:subject:message-id:references:mime-version :content-disposition:content-transfer-encoding:in-reply-to; bh=FWNfpESHIrlctB2dwl7YeVqe4k+1KC/hfdOSv4N2eR8=; b=ecrgQDUmQiUgqDqwxETkiJePKv2EZR71UqZ9A84VugZwjknEAWph5SiAv5NhixbCng eynRkZ8Ma2qc+i1UaVy1ckfXtdrIoV1EgVftjP4j99SNksNBqxzaAHUK3aJwGRiIXCto U6QnZtpIXQHYhadvi8pytCZfuo6/J8fAWsLr7rFN8ItfrFNIxGLylVoISldnyS1tB+ir PCriSOdN/CwZs2USicquS3FSceLULBSapI/Qdy6Xydh9/2+DYlbZgc5UX6qfEnVVuAex ITeC/TPVs8Snl2AGfHNGg2J01813+B29VRNgSRW00ENKhzhWCqB9ZPbuExF1Crbddo1m E/Kw== 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:content-transfer-encoding :in-reply-to; bh=FWNfpESHIrlctB2dwl7YeVqe4k+1KC/hfdOSv4N2eR8=; b=cDL6YS7CQm6LyP+rQ/pg9bMnTIY5Fom64Ct01dRYrGLLMfJOJlUvMmNuy4KV2UFhYn ZDO2Fd9UThSw8MASYziJoIpHBGEVPXtYdoas6bJlsFaRQVT6gLqVvlFIjywkPxAhyi0Y JlD9kUizfJRa1l8S+CY49S3Wun6Bf33eSfPNyJogijcC0+R+7X2pVlnsx/FCgfHY4q11 1VXakXrZ/zWUTQ9SfoKBkQIra9XY725Af1mxm3ylR4oAHJEZd9Hq8qz1Mt56jFENIo1b KyaP+wNQUhCTcUoNdvb25ALbLBc09MRtEq02S2UD30h2eqDmqzL1viFCAN/j3of2Ty/N EuGQ== X-Gm-Message-State: AGi0PuYAxl+Vd+60gN96vBe+Jk5gQO6IG6lY9j/WFp/dl46N8unDG+rG cgvtOWjuprxtW2XVOcAqp5w= X-Received: by 2002:a65:6704:: with SMTP id u4mr31348658pgf.263.1588115942389; Tue, 28 Apr 2020 16:19:02 -0700 (PDT) Received: from mail.google.com ([149.248.10.52]) by smtp.gmail.com with ESMTPSA id w69sm16017529pff.168.2020.04.28.16.18.58 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 28 Apr 2020 16:19:01 -0700 (PDT) Date: Wed, 29 Apr 2020 07:18:55 +0800 From: Changbin Du To: Markus Elfring Cc: Changbin Du , Andrew Morton , linux-mm@kvack.org, linux-kernel@vger.kernel.org, Christoph Lameter , David Rientjes , Joonsoo Kim , Kees Cook , Pekka Enberg , Waiman Long Subject: Re: mm/slub: do not place freelist pointer to middle of object if redzone is on Message-ID: <20200428231855.5czf4penpbowliz6@mail.google.com> References: <20200425235105.sye7fsbndbv24b46@mail.google.com> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline Content-Transfer-Encoding: 8bit In-Reply-To: Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Sun, Apr 26, 2020 at 07:56:43AM +0200, Markus Elfring wrote: > >>> Fixes: 3202fa62fb ("slub: relocate freelist pointer to middle of object") > … > > I used to give 12 charactors, but this time I lost two. :) > > Would you like to improve details for the change description > also at another place? > Waiman just posted another fix for this issue. Let's use that patch instead. Thanks. > Regards, > Markus -- Cheers, Changbin Du