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. 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=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE, SPF_PASS,URIBL_BLOCKED,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 68DB9C432C3 for ; Fri, 15 Nov 2019 14:17:09 +0000 (UTC) Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 36BAB20730 for ; Fri, 15 Nov 2019 14:17:09 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=lists.infradead.org header.i=@lists.infradead.org header.b="QFFp/f93" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 36BAB20730 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=arm.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-arm-kernel-bounces+infradead-linux-arm-kernel=archiver.kernel.org@lists.infradead.org DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20170209; h=Sender: Content-Transfer-Encoding:Content-Type:Cc:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:In-Reply-To:MIME-Version:References: Message-ID:Subject:To:From:Date:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=WCa+mtoZNG59hiGJFELQqUZ4a9CmDcfyx/UdmpewEJo=; b=QFFp/f93hyKJbT FDKXOteld8yV4AmIBDlyFHrdF3dt+gsNaftglcQ/NkieVAJQzXfgIbciXwoBRJHz5sLn7Ufy5IH9V H+7TLifRNoNwm3OoGMS5lRnrZciy3M1AiB/KjPAMwNlGC531vpJ178WWpc6d3q7XN4mGT6dvbzia7 DvzwU2s12D/9ArFCMUn3zhqL6DaxXt2sordR6kYewIsDw4lb8uJ58JnfAdLXV37vg/lfQk+RD2/Ew 01Wm38z0CdbwDyA4PocSKttmroPEFxe1SkPfvF8Go1q8CNDDXzOpniqSo+ukWGjTJ7mr1kYLyiN63 86Eqi2AbF5klZTyNHI7Q==; Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.92.3 #3 (Red Hat Linux)) id 1iVcPM-000426-EU; Fri, 15 Nov 2019 14:17:08 +0000 Received: from foss.arm.com ([217.140.110.172]) by bombadil.infradead.org with esmtp (Exim 4.92.3 #3 (Red Hat Linux)) id 1iVcPJ-00041C-Ei for linux-arm-kernel@lists.infradead.org; Fri, 15 Nov 2019 14:17:06 +0000 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 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-Disposition: inline In-Reply-To: <201911121530.FA3D7321F@keescook> User-Agent: Mutt/1.11.1+11 (2f07cb52) (2018-12-01) X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20191115_061705_538095_8B8902CE X-CRM114-Status: GOOD ( 11.30 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: clang-built-linux@googlegroups.com, Ard Biesheuvel , Masahiro Yamada , Catalin Marinas , Jann Horn , Nick Desaulniers , linux-kernel@vger.kernel.org, Steven Rostedt , Miguel Ojeda , Masami Hiramatsu , Sami Tolvanen , Marc Zyngier , kernel-hardening@lists.openwall.com, Laura Abbott , Will Deacon , Dave Martin , linux-arm-kernel@lists.infradead.org Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+infradead-linux-arm-kernel=archiver.kernel.org@lists.infradead.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. _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel