Received: by 2002:ad5:474a:0:0:0:0:0 with SMTP id i10csp2819167imu; Sun, 23 Dec 2018 08:29:39 -0800 (PST) X-Google-Smtp-Source: ALg8bN7LEmlD2OF5rLM4dwN+WZGPIL3iGMDDl0Pn8PP+U6XJD/0j2jdeVczfNOSat6l8kZ1FNA6r X-Received: by 2002:a17:902:6b09:: with SMTP id o9mr10114298plk.208.1545582579774; Sun, 23 Dec 2018 08:29:39 -0800 (PST) ARC-Seal: i=1; a=rsa-sha256; t=1545582579; cv=none; d=google.com; s=arc-20160816; b=wJSY1i/nxzkFafvpGKjzO1cIhDFpIUw0Z6y3YM9aadiSV6wj0Ao0TKSddv3kiCnIv9 BqMJo+fwj3tiT6qPEgT80puvVQGX/lP639U8XOEUX+hQWe+lt5ZEgM5bsRuhBL/YNolX moUuzAvYxymYVUb4jyW9JNqiULyTLCsslm0jXCkjK1WqcqWt2kCrTbvfvH3bh/ZvimDT ALXMSI93/tYO1Kxr1nB5Yxjhk+44X4ctfRRZTB4UHfgLZknGOJzXhOalI0+s6RE279ov fAN9XBzy3cGJOlmIw5J5oTAcWldA8ZuSvALnPE49e4DgWD2kMzlEYqeTIJwK6OtqOUvN AveQ== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:sender:content-transfer-encoding:mime-version :references:in-reply-to:organization:message-id:date:subject:cc:to :from; bh=lRlDNXP7ngPd/7TRt4dQZZcA4/sQ7LYWAAtO2eWjsuA=; b=CeQugWeaYKezddRPYwfXm6nr7Oa6xIcBeFGKo7WWwFwAaepiYmTSSmNuujP/4zexSZ RsiMddly6cnCx0KKZLLcpnNLzW5bz1A1osY2P8CYBFJPW2jwA3smvjuzosL4j1CoMIzH R97xvifJYVkQPCNEFh0ce3KetJIw4ovRMazCEXj7wuu5vG1tvQ6rV6RhebG/H+O03Agh /D7Ido+ZVwF/A6Jp1EGXKLvUx0cwrqD1ejHLrTkSl1yGtBIVqe3rB3UM/eM/jEwx7PnV hG3PBoB5IbQnTIu9jUqnVzNKjaMDvOYVanmwM3qZAZv8wwbQqm2f0G99rWyVXLJzetdW eNMg== ARC-Authentication-Results: i=1; mx.google.com; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Return-Path: Received: from vger.kernel.org (vger.kernel.org. [209.132.180.67]) by mx.google.com with ESMTP id g12si25673263pgd.567.2018.12.23.08.29.24; Sun, 23 Dec 2018 08:29:39 -0800 (PST) Received-SPF: pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) client-ip=209.132.180.67; Authentication-Results: mx.google.com; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2388685AbeLVTCJ convert rfc822-to-8bit (ORCPT + 99 others); Sat, 22 Dec 2018 14:02:09 -0500 Received: from poy.remlab.net ([94.23.215.26]:35954 "EHLO ns207790.ip-94-23-215.eu" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1732563AbeLVTCJ (ORCPT ); Sat, 22 Dec 2018 14:02:09 -0500 X-Greylist: delayed 4199 seconds by postgrey-1.27 at vger.kernel.org; Sat, 22 Dec 2018 14:02:08 EST Received: from philogene.localnet (ip6-localhost [IPv6:::1]) by ns207790.ip-94-23-215.eu (Postfix) with ESMTP id B134A5FFA8; Sat, 22 Dec 2018 10:35:19 +0100 (CET) From: =?ISO-8859-1?Q?R=E9mi?= Denis-Courmont To: "Gustavo A. R. Silva" Cc: Remi Denis-Courmont , "David S. Miller" , netdev@vger.kernel.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH] phonet: af_phonet: Fix Spectre v1 vulnerability Date: Sat, 22 Dec 2018 11:35:18 +0200 Message-ID: <2534569.ObK2OKVxXI@philogene> Organization: Remlab Tmi In-Reply-To: <20181221214117.GA1539@embeddedor> References: <20181221214117.GA1539@embeddedor> MIME-Version: 1.0 Content-Transfer-Encoding: 8BIT Content-Type: text/plain; charset="iso-8859-1" Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Le vendredi 21 d?cembre 2018, 23:41:17 EET Gustavo A. R. Silva a ?crit : > protocol is indirectly controlled by user-space, hence leading to > a potential exploitation of the Spectre variant 1 vulnerability. No objections but AFAIR, only privileged userspace can trigger that code so the impact is kinda limited. -- R?mi Denis-Courmont