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=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE, SPF_PASS,URIBL_BLOCKED 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 B6433C432C3 for ; Wed, 13 Nov 2019 18:33:45 +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 9684B206F0 for ; Wed, 13 Nov 2019 18:33:45 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=lists.infradead.org header.i=@lists.infradead.org header.b="gvsldRpi"; dkim=fail reason="signature verification failed" (1024-bit key) header.d=chromium.org header.i=@chromium.org header.b="gLQ0w0Ix" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 9684B206F0 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=chromium.org 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=ISXISK5gjkxx8y9C4rrE0EhoVI/hQXZtGLxO6X3tPaU=; b=gvsldRpiNKrPji z+a95vrinHn+978OX001ySfcVtjDJS27J5TixnumkjrQqmAmtm+DiDinqnMkIGQgfW8UWWI08L46L 9M6d+nyS9cjR1XFtpKXnRlS7smBPVpnx42+su4mN5Jclr+7rB6uoHctHkdNu9w6PhXBcOJVGUX5i0 X6AJO4grlCfpntYyKT8yMwinOuw+/7pcWtXcNHdLfqxD1JQ+bjUjjryKEhjBIyTh37meGXGxeMfjY Hrk11uZ76QLxOFjD021EZiYGG5Y2uyZuVn5snLSzdycol0A27hiUd66gDQaC8Tg6ikAX3Y1YTfT/V rKwpgEZ9D/y4neEa9mgA==; 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 1iUxSZ-0000Iv-LM; Wed, 13 Nov 2019 18:33:43 +0000 Received: from mail-pf1-x444.google.com ([2607:f8b0:4864:20::444]) by bombadil.infradead.org with esmtps (Exim 4.92.3 #3 (Red Hat Linux)) id 1iUxSX-0000IY-Fu for linux-arm-kernel@lists.infradead.org; Wed, 13 Nov 2019 18:33:42 +0000 Received: by mail-pf1-x444.google.com with SMTP id p26so2215094pfq.8 for ; Wed, 13 Nov 2019 10:33:40 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=chromium.org; s=google; h=date:from:to:cc:subject:message-id:references:mime-version :content-disposition:in-reply-to; bh=OhPSTTe4Xdz6gOjsaJlaEdC5pAfYubYxDCg4SrgVoSo=; b=gLQ0w0IxUEQnchYuilJR1nbU4m7SgY//cNaWQR/mt0lvyefOxSBkOsqifZytiwFIh0 GkBnn3qUVJAEMrTsVlq+svxxCP/slE/95ux0WpqRsVgnTHuEvwwCdJWa6c+0L9ne+iP7 6ydiQoWKF8IYJkGO42ArzjKHFxLH3sDY6CwOk= X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:date:from:to:cc:subject:message-id:references :mime-version:content-disposition:in-reply-to; bh=OhPSTTe4Xdz6gOjsaJlaEdC5pAfYubYxDCg4SrgVoSo=; b=RPlGAkDs+wgNwDaGd9KEZoF6+rSNQUa/BFR/ChU9BT0yWvEFZazsg18410eXibimLU VWDmkyVRDIBbLPvtgQ8dbKde5R8sGLZqE3xoVmhdGANOGdwrwVkwf+Ki/aX89F7DJ7uD rApxxwsZGFKIiLtjL+19yBYV31EtlNwSUqBwbP3IsnMt46pjG3KehDAGPSAq7PQlJbYA CPxEwNfskmxs9yQubcKKKJbnB3oryJuaH5C9YJ/x7B4t8Nsj2f4A2LZm40kg2qgKB6rB lnCwTGF7fm05P/l0J2zsT6Zy53tAUnHacVnqLGaxS8Mca2rLmDpYlO5FLc/5hHJ+28YK b6YA== X-Gm-Message-State: APjAAAVtJ7p868/W++eTJocorO/361d7zXJopFefU4EiszgDjJVb6tmJ rSO3ruaApUR177/V+ES5cEfATg== X-Google-Smtp-Source: APXvYqyLkzEBHbWiCqJacPQ3CBKaBpCEr8iph2zitT6ozdOmqjw+YxPYFt/3IfvrDawkJj7K8FBEVg== X-Received: by 2002:a62:20e:: with SMTP id 14mr6074555pfc.153.1573670020389; Wed, 13 Nov 2019 10:33:40 -0800 (PST) Received: from www.outflux.net (smtp.outflux.net. [198.145.64.163]) by smtp.gmail.com with ESMTPSA id k84sm5150717pfd.157.2019.11.13.10.33.38 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 13 Nov 2019 10:33:39 -0800 (PST) Date: Wed, 13 Nov 2019 10:33:38 -0800 From: Kees Cook To: Will Deacon Subject: Re: [PATCH v5 00/14] add support for Clang's Shadow Call Stack Message-ID: <201911131033.435C8F77D@keescook> References: <20191018161033.261971-1-samitolvanen@google.com> <20191105235608.107702-1-samitolvanen@google.com> <201911121530.FA3D7321F@keescook> <20191113120337.GA26599@willie-the-truck> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: <20191113120337.GA26599@willie-the-truck> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20191113_103341_553540_6DDC3973 X-CRM114-Status: GOOD ( 14.99 ) 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: Mark Rutland , 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 , 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 Wed, Nov 13, 2019 at 12:03:38PM +0000, Will Deacon wrote: > 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. Is it possible to land this via the arm tree for v5.5? > > I was planning to queue this for 5.6, given that I'd really like it to > spend some quality time in linux-next. Sounds fine to me; I just wanted to have an idea what to expect. :) Thanks! -- Kees Cook _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel