Received: by 2002:a05:6602:2086:0:0:0:0 with SMTP id a6csp3868628ioa; Tue, 26 Apr 2022 11:19:22 -0700 (PDT) X-Google-Smtp-Source: ABdhPJz5XuEqHPAc1a7TsmhmnAAGxd+j3XICL0MeldChj0LvxFH1yRGskU0iAQjLOoWqxmWTovL6 X-Received: by 2002:a17:90a:e507:b0:1d9:5cdd:b16d with SMTP id t7-20020a17090ae50700b001d95cddb16dmr15840212pjy.105.1650997161977; Tue, 26 Apr 2022 11:19:21 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1650997161; cv=none; d=google.com; s=arc-20160816; b=PF/+tD1K5rPUpUbKxktbFjnMKl9j/qiW5zr8k0jDgm7CkTBw9WIhLNo0mhrKS7B1QO U70YpVKuq4qtkYcYbSFDbn9Qxt2O0i3hpMfU1bYdg+gaJnAxQIMgqWwgSSKBgAGoXLk/ u0n9r3co943GiNEWezBZfIMwsncO/uPbvRaLj/BkTQhlxrvOJmyb0/f4rvKOG7jPsKD1 uUgkRsSh/vODjC1Xmnf3l84l0HBov/W6KIsSREEDHh4emiWCEqIfFIZXaD2PICBlhhS/ ot/sx/9JW6AYhUzg/Mbl9UAND5vcXqLFHAi76EMuWNf6uO1ZxKgTFPQB8nz4pIYz2Xfy E+2Q== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:in-reply-to:content-disposition:mime-version :references:message-id:subject:cc:to:from:date; bh=J2Tv42sbNddA9pJ1BNGD2JrtesZ/Gqi5leW+5bOmEyk=; b=PFTLjQhJcM9744+vRMFtQG6JeOjxq9JPI0DMsdv4jGiF/XOKOZ8zCrih5vy8nilrZB OlBWCEU/3c6DiEsSfDzimK3PMDBs85nceaSM46tSusH0JyigjIc5YFsfNCqLclVvPCwE eLULXivIBGO11Z51dGiM248uWZpb/UQWkYdVHQ+8AeIJM3sh6sC+ZUyoVn+PrXIUWH9T SjukrrKVzzlwW8IAqrpQPD9rkcWDwQLrUaO8Pbskd6JzBduW9oYAJeD/xy2ccjPqO6Xx xDZ32jqGAE8QbLoPazOjK9Nfyu/Ux8uYilhD6nGNcOlISf6Vuf/rZd+q2JcRNj8b1YIH binw== ARC-Authentication-Results: i=1; mx.google.com; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=fail (p=NONE sp=NONE dis=NONE) header.from=arm.com Return-Path: Received: from out1.vger.email (out1.vger.email. [2620:137:e000::1:20]) by mx.google.com with ESMTP id n18-20020a170903111200b00158f13b4872si23274063plh.7.2022.04.26.11.19.05; Tue, 26 Apr 2022 11:19:21 -0700 (PDT) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) client-ip=2620:137:e000::1:20; Authentication-Results: mx.google.com; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=fail (p=NONE sp=NONE dis=NONE) header.from=arm.com Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1352748AbiDZQEl (ORCPT + 99 others); Tue, 26 Apr 2022 12:04:41 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:41652 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1352776AbiDZQEj (ORCPT ); Tue, 26 Apr 2022 12:04:39 -0400 Received: from foss.arm.com (foss.arm.com [217.140.110.172]) by lindbergh.monkeyblade.net (Postfix) with ESMTP id DD6093A5CF for ; Tue, 26 Apr 2022 09:01:30 -0700 (PDT) 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 A4F0023A; Tue, 26 Apr 2022 09:01:30 -0700 (PDT) Received: from lakrids (usa-sjc-imap-foss1.foss.arm.com [10.121.207.14]) by usa-sjc-imap-foss1.foss.arm.com (Postfix) with ESMTPSA id 8AD663F73B; Tue, 26 Apr 2022 09:01:29 -0700 (PDT) Date: Tue, 26 Apr 2022 17:01:27 +0100 From: Mark Rutland To: Kees Cook Cc: linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, akpm@linux-foundation.org, alex.popov@linux.com, catalin.marinas@arm.com, luto@kernel.org, will@kernel.org Subject: Re: [PATCH 0/8] stackleak: fixes and rework Message-ID: References: <20220425115603.781311-1-mark.rutland@arm.com> <202204251551.0CFE01DF4@keescook> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <202204251551.0CFE01DF4@keescook> X-Spam-Status: No, score=-6.9 required=5.0 tests=BAYES_00,RCVD_IN_DNSWL_HI, SPF_HELO_NONE,SPF_PASS autolearn=ham autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Mon, Apr 25, 2022 at 03:54:00PM -0700, Kees Cook wrote: > On Mon, Apr 25, 2022 at 12:55:55PM +0100, Mark Rutland wrote: > > This series reworks the stackleak code. The first patch fixes some > > latent issues on arm64, and the subsequent patches improve the code to > > improve clarity and permit better code generation. > > This looks nice; thanks! I'll put this through build testing and get it > applied shortly... FWIW, looking at testing I've spotted a fencepost error, so I'll spin a v2 with that fixed (and with updates to the LKDTM test). Thanks, Mark.