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 Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id D31F1C63703 for ; Thu, 8 Dec 2022 16:13:40 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230007AbiLHQNk (ORCPT ); Thu, 8 Dec 2022 11:13:40 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:56936 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230049AbiLHQNi (ORCPT ); Thu, 8 Dec 2022 11:13:38 -0500 Received: from mail-pj1-x1034.google.com (mail-pj1-x1034.google.com [IPv6:2607:f8b0:4864:20::1034]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id EB3E184B68 for ; Thu, 8 Dec 2022 08:13:36 -0800 (PST) Received: by mail-pj1-x1034.google.com with SMTP id w4-20020a17090ac98400b002186f5d7a4cso5156843pjt.0 for ; Thu, 08 Dec 2022 08:13:36 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=chromium.org; s=google; h=in-reply-to:content-disposition:mime-version:references:message-id :subject:cc:to:from:date:from:to:cc:subject:date:message-id:reply-to; bh=VEF5Kdoxdu+cKfk6R3ZwPWFH59dyZr5XNLc+TP4k1ZU=; b=M9dPq43pCEesdG1Pr73JFi78Hptyiq5VZqWgnsSr3kI1jPoUdQ4zxjiAhyNFqpFmZg njyxgcdxqgN0KzGHxmez3cz91qutsMd43bfVz+BmUEiqosyY0DbvL3iHrFX0td8dUCSY MTh3j9pe6XZs6CcLquyZVVbjRBXWFW2xIvWp0= X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=in-reply-to:content-disposition:mime-version:references:message-id :subject:cc:to:from:date:x-gm-message-state:from:to:cc:subject:date :message-id:reply-to; bh=VEF5Kdoxdu+cKfk6R3ZwPWFH59dyZr5XNLc+TP4k1ZU=; b=V7NAPBg94ARIiRYNDPawp0e062+uBDlZP+iQyRBjgxVqgY4DJvySWepDdn2Q4dn+ne /COUmw9vbZgOtSsZfb6HV4NjBPfnfbvl3MnqzbRMO23OX7u6hToaDhPt2qycT9wYDxgb SE9CGJpMug5SKgIxUzjBUoxUrHXtG9P6tyRlLPcfcNupcY1fmnK7Xy2tCyzYi60efj2r J7/panPgfgCBBFVRsAxO6CbMDlTwwhQKUZXkzeiysKCxwRB9945KS2K7BbTs06iPBGK0 LvjnuCSY+WRrIGDKuy04c0D8bcWobVnzX1J3c4XXIQ0z1jHtJ5phKuz9txP7GTFVXnj7 mkcA== X-Gm-Message-State: ANoB5pmdx3v1ly9KTdLdUq832ThEv02gHpsMGcgxD+Qi/JVKzfiS5wM1 3uPpvBuq0nUf+nApNgQg/aZaVQ== X-Google-Smtp-Source: AA0mqf54Uql+4I53tb1lC4yydY21faKQwOpWl2+BYX9Ds95kNuRBabF3SZQkBl8QR9ooQXG7EPr8Eg== X-Received: by 2002:a17:903:22c2:b0:189:c47b:af22 with SMTP id y2-20020a17090322c200b00189c47baf22mr24668561plg.23.1670516016394; Thu, 08 Dec 2022 08:13:36 -0800 (PST) Received: from www.outflux.net (smtp.outflux.net. [198.145.64.163]) by smtp.gmail.com with ESMTPSA id ik25-20020a170902ab1900b001869b988d93sm16661571plb.187.2022.12.08.08.13.35 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 08 Dec 2022 08:13:35 -0800 (PST) Date: Thu, 8 Dec 2022 08:13:34 -0800 From: Kees Cook To: jeffxu@chromium.org Cc: skhan@linuxfoundation.org, akpm@linux-foundation.org, dmitry.torokhov@gmail.com, dverkamp@chromium.org, hughd@google.com, jeffxu@google.com, jorgelo@chromium.org, linux-kernel@vger.kernel.org, linux-kselftest@vger.kernel.org, linux-mm@kvack.org, jannh@google.com, linux-hardening@vger.kernel.org Subject: Re: [PATCH v6 0/6] mm/memfd: introduce MFD_NOEXEC_SEAL and MFD_EXEC Message-ID: <202212080809.687CC8BC23@keescook> References: <20221207154939.2532830-1-jeffxu@google.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20221207154939.2532830-1-jeffxu@google.com> Precedence: bulk List-ID: X-Mailing-List: linux-kselftest@vger.kernel.org On Wed, Dec 07, 2022 at 03:49:33PM +0000, jeffxu@chromium.org wrote: > This is V6 version of patch: see [4] [5] [6] [7] for previous versions. When sending a new version, can you include an overview of what changed between this version and the prior version? This helps reviewers who are following along, so it's easier to focus our attention on the differences. Also, it's helpful to version the links: > [4] https://lwn.net/Articles/890096/ > [5] https://lore.kernel.org/lkml/20220805222126.142525-1-jeffxu@google.com/ > [6] https://lore.kernel.org/lkml/20221202013404.163143-1-jeffxu@google.com/ > [7] https://lore.kernel.org/lkml/20221206152358.1966099-1-jeffxu@google.com/ e.g.: v6: - moved foo to bar - improve comments for baz v5: https://lore.kernel.org/lkml/20221206152358.1966099-1-jeffxu@google.com/ v3: https://lore.kernel.org/lkml/20221202013404.163143-1-jeffxu@google.com/ v2: ...etc -Kees -- Kees Cook