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=-6.2 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,NICE_REPLY_A, 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 6C162C432BE for ; Tue, 31 Aug 2021 20:49:46 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 50D2360ED4 for ; Tue, 31 Aug 2021 20:49:46 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S241244AbhHaUuk (ORCPT ); Tue, 31 Aug 2021 16:50:40 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:41358 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229916AbhHaUuh (ORCPT ); Tue, 31 Aug 2021 16:50:37 -0400 Received: from mail-pj1-x102c.google.com (mail-pj1-x102c.google.com [IPv6:2607:f8b0:4864:20::102c]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 1DD52C061575; Tue, 31 Aug 2021 13:49:42 -0700 (PDT) Received: by mail-pj1-x102c.google.com with SMTP id w19-20020a17090aaf9300b00191e6d10a19so460597pjq.1; Tue, 31 Aug 2021 13:49:42 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=sender:subject:to:cc:references:from:message-id:date:user-agent :mime-version:in-reply-to:content-language:content-transfer-encoding; bh=+VwqWzlQd0bwFmrYU/A5aapOrfg1k7jNvsAz6oqsjSk=; b=aObe45tP4fRqFS+ujpgUyLzKfwt4SIAx8G6sjeM5x833KJsU8PwZtW8jFTY/ue/OB1 jxq1Lf2tsvJZJf9Ew1pfi9jHvoGDol1362QVC/zF7G2EzYOxDmb57oVhlHW8W8tpHkx4 gzlGYkl5LoTkAAIwn+f+thTBYOm/9VjH7+zUVRXIt7fJI0x0gl6UThJ51n/GhNKrxmPE nL9nCsFpWaBL3PgXcbaFh8//Lkr4aZCPzfxGjkE7jNIUpen0r8VBt1KZKhqVOBcWndHY kWIAcdJSVhhKqtpt+sqGHlGFGjU0yAunyvkUarZ7UGNdhYEnOLth5e09w2RBrnPGV5GS 7egQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:sender:subject:to:cc:references:from:message-id :date:user-agent:mime-version:in-reply-to:content-language :content-transfer-encoding; bh=+VwqWzlQd0bwFmrYU/A5aapOrfg1k7jNvsAz6oqsjSk=; b=TegYZJWct9qCDW/XQ+1visagRqHnlM3jZX3y/F7AT/lK6jf3tP/qM9lOifvP1hert2 70OCB3RTNRjUBbxQNaEE3oxNScMP13BUmWotiqSKKHsNi6yU7IUMLtlVEcUNzqitKKa1 IWM3DgFNKm5NAKNrANTVEbel+UtjjLtkBhR3C6RFoDM9KuhMWS0MYi1b8zkTGqzqCWCq CkwwmlU3OcToMa0vmttqZJxykyrYl+xFCZ+SUOVDhCj4+2uvMotQ5lLWoIRoFb4lB/Rz pXvcNiTp47lX7+p4/b0MbN7gEIq1aW1rSD7n28nToTw3RCHY02BJmjlcrukm0z+Ly7Mp VcFg== X-Gm-Message-State: AOAM530fKCMMmTZIac0HJksqgoM0H5LA9kV+A7C3C5IyG3W1yYnK9mLj 7baAyKoQ11rx0f00esl3gbGFwzDj3y4= X-Google-Smtp-Source: ABdhPJw65oVh7dCRrS1w+sYI5jNapkVdWQmQFN5nHlNVaALSMC7aQObtjXMwKZYQNVRqWSpDJdKBjQ== X-Received: by 2002:a17:90a:1f4c:: with SMTP id y12mr7180671pjy.60.1630442981280; Tue, 31 Aug 2021 13:49:41 -0700 (PDT) Received: from server.roeck-us.net ([2600:1700:e321:62f0:329c:23ff:fee3:9d7c]) by smtp.gmail.com with ESMTPSA id q4sm3520936pjd.52.2021.08.31.13.49.39 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Tue, 31 Aug 2021 13:49:40 -0700 (PDT) Sender: Guenter Roeck Subject: Re: [PATCH v3 4/5] Makefile: Enable -Warray-bounds To: Kees Cook Cc: linux-kernel@vger.kernel.org, Arnd Bergmann , Masahiro Yamada , linux-kbuild@vger.kernel.org, "Gustavo A . R . Silva" , Rasmus Villemoes , Keith Packard , Dan Williams , Daniel Vetter , clang-built-linux@googlegroups.com, linux-hardening@vger.kernel.org References: <20210827163015.3141722-1-keescook@chromium.org> <20210827163015.3141722-5-keescook@chromium.org> <20210831043128.GA2749311@roeck-us.net> <202108311042.FFE1818D@keescook> <3ab153ec-2798-da4c-f7b1-81b0ac8b0c5b@roeck-us.net> <202108311317.DFFFCFC74@keescook> From: Guenter Roeck Message-ID: <6565714b-6c25-b244-1aad-5111b9667b30@roeck-us.net> Date: Tue, 31 Aug 2021 13:49:33 -0700 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:78.0) Gecko/20100101 Thunderbird/78.11.0 MIME-Version: 1.0 In-Reply-To: <202108311317.DFFFCFC74@keescook> Content-Type: text/plain; charset=utf-8; format=flowed Content-Language: en-US Content-Transfer-Encoding: 7bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 8/31/21 1:18 PM, Kees Cook wrote: > On Tue, Aug 31, 2021 at 12:40:53PM -0700, Guenter Roeck wrote: >> The configuration doesn't matter; it fails for me for all configurations, >> including defconfig, alllnoconfig, and allmodconfig. >> Key is to use gcc 11.2. The image builds just fine with gcc 9.4 and 10.3. > > Ah! Yes, heh. That would be my problem; I've got 10.3 for my builders. > Thanks! I will give 11.2 a spin. > In case you don't have gcc 11.2 available - I tested with 11.1 as well; that also fails. Guenter