From owner-freebsd-security@freebsd.org Thu Jan 4 17:50:07 2018 Return-Path: Delivered-To: freebsd-security@mailman.ysv.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:1900:2254:206a::19:1]) by mailman.ysv.freebsd.org (Postfix) with ESMTP id 62C18EA91AC for ; Thu, 4 Jan 2018 17:50:07 +0000 (UTC) (envelope-from julian@freebsd.org) Received: from vps1.elischer.org (vps1.elischer.org [204.109.63.16]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (Client CN "vps1.elischer.org", Issuer "CA Cert Signing Authority" (not verified)) by mx1.freebsd.org (Postfix) with ESMTPS id 26F6575E3F; Thu, 4 Jan 2018 17:50:06 +0000 (UTC) (envelope-from julian@freebsd.org) Received: from Julian-MBP3.local (203-206-51-137.dyn.iinet.net.au [203.206.51.137] (may be forged)) (authenticated bits=0) by vps1.elischer.org (8.15.2/8.15.2) with ESMTPSA id w04HnuPh042378 (version=TLSv1.2 cipher=DHE-RSA-AES128-SHA bits=128 verify=NO); Thu, 4 Jan 2018 09:49:59 -0800 (PST) (envelope-from julian@freebsd.org) Subject: Re: clang way to patch for Spectre? To: Lev Serebryakov , "freebsd-security@freebsd.org" References: <291645341.20180104190237@serebryakov.spb.ru> From: Julian Elischer Message-ID: <43417734-d420-5be9-333b-8d0d02d7a58a@freebsd.org> Date: Fri, 5 Jan 2018 01:49:50 +0800 User-Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.12; rv:52.0) Gecko/20100101 Thunderbird/52.5.2 MIME-Version: 1.0 In-Reply-To: <291645341.20180104190237@serebryakov.spb.ru> Content-Type: text/plain; charset=utf-8; format=flowed Content-Transfer-Encoding: 7bit Content-Language: en-US X-BeenThere: freebsd-security@freebsd.org X-Mailman-Version: 2.1.25 Precedence: list List-Id: "Security issues \[members-only posting\]" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 04 Jan 2018 17:50:07 -0000 On 5/1/18 12:02 am, Lev Serebryakov wrote: > Hello Freebsd-security, > > https://reviews.llvm.org/D41723 > > not really.. What's to stop an unprivileged used bringing his own compiler? or a precompiled binary?