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=-2.3 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,USER_AGENT_SANE_1 autolearn=no 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 A12E4C432C3 for ; Fri, 15 Nov 2019 14:17:04 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 720F720733 for ; Fri, 15 Nov 2019 14:17:04 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727645AbfKOORD (ORCPT ); Fri, 15 Nov 2019 09:17:03 -0500 Received: from foss.arm.com ([217.140.110.172]:59848 "EHLO foss.arm.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727585AbfKOORD (ORCPT ); Fri, 15 Nov 2019 09:17:03 -0500 Received: from usa-sjc-imap-foss1.foss.arm.com (unknown [10.121.207.14]) by usa-sjc-mx-foss1.foss.arm.com (Postfix) with ESMTP id 897C431B; Fri, 15 Nov 2019 06:17:02 -0800 (PST) Received: from lakrids.cambridge.arm.com (usa-sjc-imap-foss1.foss.arm.com [10.121.207.14]) by usa-sjc-imap-foss1.foss.arm.com (Postfix) with ESMTPSA id 4B8EC3F534; Fri, 15 Nov 2019 06:17:00 -0800 (PST) Date: Fri, 15 Nov 2019 14:16:58 +0000 From: Mark Rutland To: Kees Cook Cc: Will Deacon , Catalin Marinas , Sami Tolvanen , Steven Rostedt , Masami Hiramatsu , Ard Biesheuvel , Dave Martin , Laura Abbott , Marc Zyngier , Nick Desaulniers , Jann Horn , Miguel Ojeda , Masahiro Yamada , clang-built-linux@googlegroups.com, kernel-hardening@lists.openwall.com, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH v5 00/14] add support for Clang's Shadow Call Stack Message-ID: <20191115141657.GD41572@lakrids.cambridge.arm.com> References: <20191018161033.261971-1-samitolvanen@google.com> <20191105235608.107702-1-samitolvanen@google.com> <201911121530.FA3D7321F@keescook> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <201911121530.FA3D7321F@keescook> User-Agent: Mutt/1.11.1+11 (2f07cb52) (2018-12-01) Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Tue, Nov 12, 2019 at 03:44:42PM -0800, Kees Cook wrote: > On Tue, Nov 05, 2019 at 03:55:54PM -0800, Sami Tolvanen wrote: > > This patch series adds support for Clang's Shadow Call Stack > > (SCS) mitigation, which uses a separately allocated shadow stack > > to protect against return address overwrites. More information > > Will, Catalin, Mark, > > What's the next step here? I *think* all the comments have been > addressed. I'm hoping to look over the remaining bits in the next week or so, and to throw my test boxes at this shortly. Thanks, Mark.