From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from cvs.openbsd.org (cvs.openbsd.org [199.185.137.3]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 2C4A54A23; Wed, 15 May 2024 00:57:12 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=199.185.137.3 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1715734635; cv=none; b=f5vUrc4L69taWfK34tWNqfz2Mj2a3E+7a4QfyFDi8WavIiudvsUZsLn/wM/yUollD4hMNVd5oC3b4TdxyfwktyFafU+8Pj55ohgEn7ZB8bjd95DMh7D41z1r+NPl14N6FYxnl+35kEecSc5VYfPtfWIZUQ8XvDmN4wchJCSngkM= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1715734635; c=relaxed/simple; bh=Tp+H0K5QBoSVdZXwfKgYZIjpg1XuSAWBXwAx1DzF8sA=; h=From:To:cc:Subject:In-reply-to:References:MIME-Version: Content-Type:Date:Message-ID; b=VlBDmx7VEe8N9PHNwg0+o9Lwe4gxc4+YzCkmwSjCnsGuhStqcSXHtNV6SDRd+oWyW1RwKyv5FlXRmbML4DQ4rc3t+2GFA2P86KDvWoVNjL/TXHxhp20FwBHd9pMUIBcX+HKmm/9ow7om2a5+RBg8JWFWIXeTOpf+Oc9rSG5mWpc= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=openbsd.org; spf=pass smtp.mailfrom=openbsd.org; dkim=pass (2048-bit key) header.d=openbsd.org header.i=@openbsd.org header.b=lxaPLprY; arc=none smtp.client-ip=199.185.137.3 Authentication-Results: smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=openbsd.org Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=openbsd.org Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=openbsd.org header.i=@openbsd.org header.b="lxaPLprY" 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." Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: 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> > > 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)