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 X-Spam-Level: X-Spam-Status: No, score=-0.8 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_PASS, URIBL_BLOCKED autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id D9AFFC0044C for ; Thu, 1 Nov 2018 18:50:05 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id AAE752064C for ; Thu, 1 Nov 2018 18:50:05 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=linux-foundation.org header.i=@linux-foundation.org header.b="eBLRSxGb" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org AAE752064C Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=linux-foundation.org Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727784AbeKBDyO (ORCPT ); Thu, 1 Nov 2018 23:54:14 -0400 Received: from mail-lf1-f66.google.com ([209.85.167.66]:37127 "EHLO mail-lf1-f66.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726322AbeKBDyO (ORCPT ); Thu, 1 Nov 2018 23:54:14 -0400 Received: by mail-lf1-f66.google.com with SMTP id p17so8483439lfh.4 for ; Thu, 01 Nov 2018 11:50:02 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linux-foundation.org; s=google; h=mime-version:references:in-reply-to:from:date:message-id:subject:to :cc; bh=mEZX+Xy1PJ/Qdco0xjSl1xLI6O5H2esuxGmsbrkouMc=; b=eBLRSxGb9gsT6KT8Q4DsNN06E3wtslDlT2HYT429L6+S9lRSmZG+HGJsztC0Q1FIZF pq2v1bAYCydQg3YUlUTa7LdQawD8Y/cj9Wda5SOZ/h42Js0l2LbYHdhyMDwkewUzI3OX UeogQ9LY5bZM6lDclRrhEZ5p6diZmjcdNa9Ww= X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:references:in-reply-to:from:date :message-id:subject:to:cc; bh=mEZX+Xy1PJ/Qdco0xjSl1xLI6O5H2esuxGmsbrkouMc=; b=WoAG74NMUEV+ilxqhrnQUUncQCCMWqnNt/85dcclSEkfW6ayrH5Digz0ojMqfNmiQQ YEc9XFif3FqQ5oC3i6iPeAef9G05XMWPjw5zY+OCJiAcKezu8cZKSTG8XaRXWOJwHMSD 3XOwiaykMHlWltBWfBCP6KHpvOuuoTvLJA9eCo157BhCrW/ar5PVxdmuC5G5A19ftoiv zFA0bUM86fw490cekjhSxJZN4gr1sEAur00Geo2DVNhs0ra9LObVUWZUfz6mc9dAELgM 1iJTteGJOTU0yNjGguItifBUmgZhKgSRw/Wkg+k8XXUhvEkhyKX2/sx0MnIriP9dstbr 3xoA== X-Gm-Message-State: AGRZ1gIACmFQqGH/OdtPAdVd3JEE4PAyfblN4YzU4tnNEiP80Swih2yZ 6n5nKCMDOqlFoiil5Me0ix8wZfQlq9ewvw== X-Google-Smtp-Source: AJdET5dyI2CeRYkkRVqD+L0y09Po0TzMs4wX7KWcoqXrxZVHo1NxgTA3rluwHOConlMhYLQdR1vniw== X-Received: by 2002:a19:cc46:: with SMTP id c67mr5010587lfg.145.1541098201179; Thu, 01 Nov 2018 11:50:01 -0700 (PDT) Received: from mail-lf1-f43.google.com (mail-lf1-f43.google.com. [209.85.167.43]) by smtp.gmail.com with ESMTPSA id n3-v6sm4812892lfe.8.2018.11.01.11.49.59 for (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Thu, 01 Nov 2018 11:50:00 -0700 (PDT) Received: by mail-lf1-f43.google.com with SMTP id c16so14936541lfj.8 for ; Thu, 01 Nov 2018 11:49:59 -0700 (PDT) X-Received: by 2002:a19:288c:: with SMTP id o134-v6mr5409425lfo.124.1541098199400; Thu, 01 Nov 2018 11:49:59 -0700 (PDT) MIME-Version: 1.0 References: <20181024191413.GA24294@beast> In-Reply-To: <20181024191413.GA24294@beast> From: Linus Torvalds Date: Thu, 1 Nov 2018 11:49:43 -0700 X-Gmail-Original-Message-ID: Message-ID: Subject: Re: [GIT PULL] gcc-plugin stackleak for v4.20-rc1 To: Kees Cook Cc: Linux Kernel Mailing List , alex.popov@linux.com, dave.hansen@linux.intel.com, Ingo Molnar , labbott@redhat.com, tglx@linutronix.de, tycho@tycho.ws Content-Type: text/plain; charset="UTF-8" Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Wed, Oct 24, 2018 at 12:14 PM Kees Cook wrote: > > Please pull this new GCC plugin, stackleak, for v4.20-rc1. This plugin > was ported from grsecurity by Alexander Popov. It provides efficient > stack content poisoning at syscall exit. This creates a defense against > at least two classes of flaws: I'm still not a huge fan, but I didn't hate it enough not to pull it. So pulled, Linus