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 kanga.kvack.org (kanga.kvack.org [205.233.56.17]) by smtp.lore.kernel.org (Postfix) with ESMTP id 27BA4C04FFE for ; Wed, 15 May 2024 00:57:17 +0000 (UTC) Received: by kanga.kvack.org (Postfix) id 8902A6B039E; Tue, 14 May 2024 20:57:16 -0400 (EDT) Received: by kanga.kvack.org (Postfix, from userid 40) id 83F7D6B039F; Tue, 14 May 2024 20:57:16 -0400 (EDT) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id 707976B03A0; Tue, 14 May 2024 20:57:16 -0400 (EDT) X-Delivered-To: linux-mm@kvack.org Received: from relay.hostedemail.com (smtprelay0010.hostedemail.com [216.40.44.10]) by kanga.kvack.org (Postfix) with ESMTP id 4F3F26B039E for ; Tue, 14 May 2024 20:57:16 -0400 (EDT) Received: from smtpin10.hostedemail.com (a10.router.float.18 [10.200.18.1]) by unirelay04.hostedemail.com (Postfix) with ESMTP id DE43F1A02DE for ; Wed, 15 May 2024 00:57:15 +0000 (UTC) X-FDA: 82118816430.10.7D45AC6 Received: from cvs.openbsd.org (cvs.openbsd.org [199.185.137.3]) by imf29.hostedemail.com (Postfix) with ESMTP id E0308120003 for ; Wed, 15 May 2024 00:57:13 +0000 (UTC) Authentication-Results: imf29.hostedemail.com; dkim=pass header.d=openbsd.org header.s=selector1 header.b=lxaPLprY; dmarc=none; spf=pass (imf29.hostedemail.com: domain of deraadt@openbsd.org designates 199.185.137.3 as permitted sender) smtp.mailfrom=deraadt@openbsd.org ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=hostedemail.com; s=arc-20220608; t=1715734634; h=from:from:sender: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: in-reply-to:in-reply-to:references:references:dkim-signature; bh=ZsDK29ALXuPjD9dUlIhEGqaPsxl7J2l7ySW9RgEtBk8=; b=SSHyLHNtHey29i8V0NARTMtMNs3OnOnlflCQJpOrnS83E6PdgSytiGwc2eleSx7itg7Yls XcSxG4bgQHn1arIBBa8bVjGw51rVml28LF/E/PwpMmX5Q+aDJG+3y1A2LvfrdqFQp+tc9q ua//YNeB2a4T5j0tEu8tz6pB+i8I9UI= ARC-Authentication-Results: i=1; imf29.hostedemail.com; dkim=pass header.d=openbsd.org header.s=selector1 header.b=lxaPLprY; dmarc=none; spf=pass (imf29.hostedemail.com: domain of deraadt@openbsd.org designates 199.185.137.3 as permitted sender) smtp.mailfrom=deraadt@openbsd.org ARC-Seal: i=1; s=arc-20220608; d=hostedemail.com; t=1715734634; a=rsa-sha256; cv=none; b=ATAv0vB+Ksd53LvVqnJKmKGHTl+uY1aoj75ioYGOJr2dl5kJLU690UyAaJGw0Zh1ESOXy8 bKPKvJ8W7w5nrJbU2soS8WauW+fXvn/zRd15jJf0XqrfQOwndBNHI26DVDx5I+0DFZjVg4 Gj67sMotxNvrP+Pbjx4htlAdiGV00UY= DKIM-Signature: v=1; a=rsa-sha256; c=simple/simple; s=selector1; bh=Tp+H0K5QBo SVdZXwfKgYZIjpg1XuSAWBXwAx1DzF8sA=; h=date:references:in-reply-to: subject:cc:to:from; d=openbsd.org; b=lxaPLprYzJ00fSaQHk9PaY/XjyG/TOiry J4aaFgmXuVu9/f7WAP4UTqygXQYY60grub5GX6StNo9F20PFWuVvzlLNAFKEKNuObq0gH4 gPVJaTyi/52KYiWEhrtOpmxprKp0rlqHFgbrvpP0A4PganEEqosTTvlIZYDN2GYsh0kQOh Kjz1mRunyAOmb9+lxOz2/YkF/7FGyUAcdwO+7ai1fU1MU3XRP4QWjUuYye9/BJ2qgCBQJm x5RiA8+29lUIceuRq9Gz3Uj8Dgke64xBlqTn5sNUFK/PibzPIjqM7HwzRYS8IRvCuvZtm7 uWpIpZ52XSRNhrZreWzkAG/KtWo/g== Received: from cvs.openbsd.org (localhost [127.0.0.1]) by cvs.openbsd.org (OpenSMTPD) with ESMTP id 4b91908f; Tue, 14 May 2024 18:57:12 -0600 (MDT) From: "Theo de Raadt" To: Linus Torvalds cc: Matthew Wilcox , Jonathan Corbet , Andrew Morton , jeffxu@chromium.org, keescook@chromium.org, jannh@google.com, sroettger@google.com, gregkh@linuxfoundation.org, usama.anjum@collabora.com, Liam.Howlett@oracle.com, surenb@google.com, merimus@google.com, rdunlap@infradead.org, jeffxu@google.com, jorgelo@chromium.org, groeck@chromium.org, linux-kernel@vger.kernel.org, linux-kselftest@vger.kernel.org, linux-mm@kvack.org, pedro.falcato@gmail.com, dave.hansen@intel.com, linux-hardening@vger.kernel.org Subject: Re: [PATCH v10 0/5] Introduce mseal In-reply-to: References: <20240415163527.626541-1-jeffxu@chromium.org> <20240514104646.e6af4292f19b834777ec1e32@linux-foundation.org> <871q646rea.fsf@meer.lwn.net> <56001.1715726927@cvs.openbsd.org> Comments: In-reply-to Linus Torvalds message dated "Tue, 14 May 2024 17:43:47 -0700." MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-ID: <28994.1715734632.1@cvs.openbsd.org> Date: Tue, 14 May 2024 18:57:12 -0600 Message-ID: <16982.1715734632@cvs.openbsd.org> X-Rspamd-Queue-Id: E0308120003 X-Stat-Signature: sf4cpst57puwu7ugf3ejg9udrwd6ujtr X-Rspam-User: X-Rspamd-Server: rspam04 X-HE-Tag: 1715734633-591779 X-HE-Meta: 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 NgAuTVay Ba5tOp9j5W4b4q2yrl6kvBEELZe4D547C3yqmc8VLPq6U8kfAY7ueXQtqD4hwWxo0aqCSf2jw2opGu8BfLRpHi7o9bblsKf3+/yTuEL8+9sWTZlVS9w1OB5VseGfO/NU+eZZVxE30/kTAQowMkoni7N8eIj+fNq8dm408TUgm7OAz//b7ugw2MWAA/6BnuzUfprz+fU8eLhoOjr8= X-Bogosity: Ham, tests=bogofilter, spamicity=0.004987, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: List-Subscribe: List-Unsubscribe: > > I worry that the non-atomicity will one day be used by an attacker. > > Blah blah blah. That's a made-up scare tactic if I ever heard one. > It's unworthy of you. Let's wait and see. (Linus, don't be a jerk)