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=-2.6 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,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 876A4C33CAF for ; Thu, 16 Jan 2020 18:25:02 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 61A9B2073A for ; Thu, 16 Jan 2020 18:25:02 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1579199102; bh=Uvn4io9HRoCWehKj5QlRdjNGEEGcA1mRcdpz3dLBqGs=; h=Date:From:To:Cc:Subject:References:In-Reply-To:List-ID:From; b=rrrDkAAZtZ5GOifW8loudoaL4uy2+BIRaeVOmJ1kiHqRhLSJ4QB8JyrN08+3xyTHV bBWRE9/bdsjYKhFadRUZj4AXZE/duUAkx4s9xlMv6mRoc06vpS/Hwbdcobz7Qa787P XMqhl+UTPSM8iPgJnLGH45DNlf8c9PCvDEjK4VQk= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2436642AbgAPSY7 (ORCPT ); Thu, 16 Jan 2020 13:24:59 -0500 Received: from mail.kernel.org ([198.145.29.99]:48220 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S2392408AbgAPSY4 (ORCPT ); Thu, 16 Jan 2020 13:24:56 -0500 Received: from willie-the-truck (236.31.169.217.in-addr.arpa [217.169.31.236]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id 7F20320684; Thu, 16 Jan 2020 18:24:53 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1579199096; bh=Uvn4io9HRoCWehKj5QlRdjNGEEGcA1mRcdpz3dLBqGs=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=0CKqRrAnK+geRIGoLgKnBDxnHagxynAqskFtIRJ9DfMZWKYtbc1dCbzt1+SfM2sjc hnVnjWETX8zzmlDO2rucuD7erQEPcfSJVahwFRoGLWRtDIXk5QdfPs8irawGcLG9X7 3jkFCB+/ojXqzQSHWy0dF/yM2x/Ww6byyiuTepeA= Date: Thu, 16 Jan 2020 18:24:50 +0000 From: Will Deacon To: Sami Tolvanen Cc: Catalin Marinas , Steven Rostedt , Masami Hiramatsu , Ard Biesheuvel , Mark Rutland , Dave Martin , Kees Cook , 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 v6 00/15] add support for Clang's Shadow Call Stack Message-ID: <20200116182449.GD22420@willie-the-truck> References: <20191018161033.261971-1-samitolvanen@google.com> <20191206221351.38241-1-samitolvanen@google.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20191206221351.38241-1-samitolvanen@google.com> User-Agent: Mutt/1.10.1 (2018-07-13) Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Fri, Dec 06, 2019 at 02:13:36PM -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 > can be found here: > > https://clang.llvm.org/docs/ShadowCallStack.html I've queued the first four via arm64. Will