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 Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 1ABCEFA373E for ; Wed, 26 Oct 2022 15:41:42 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S232733AbiJZPll (ORCPT ); Wed, 26 Oct 2022 11:41:41 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:43448 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S233957AbiJZPlj (ORCPT ); Wed, 26 Oct 2022 11:41:39 -0400 Received: from mail-pl1-x635.google.com (mail-pl1-x635.google.com [IPv6:2607:f8b0:4864:20::635]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 618ABF6815 for ; Wed, 26 Oct 2022 08:41:38 -0700 (PDT) Received: by mail-pl1-x635.google.com with SMTP id 4so8577212pli.0 for ; Wed, 26 Oct 2022 08:41:38 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=chromium.org; s=google; h=in-reply-to:content-disposition:mime-version:references:message-id :subject:cc:to:from:date:from:to:cc:subject:date:message-id:reply-to; bh=cEIES9uoI6udr7n0rwDVmg+JFtlw13MTcmUB6NYS/Fs=; b=mNMDzf7LqnhsTxfEgDLr6FNzx9lpzODWlhl8Q8L8+iYUYSgbt6RtNYbc6GlfeRvDYV xcLawmPkaG1E0TGfjOdmVTHe3qkBlZTe6Y5V+o3FKz6thO9oXljGO6sVXa5qhFY109Tg FMmn/0GS+49mB2JnREnsggHuxqU6sSafXueBw= X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=in-reply-to:content-disposition:mime-version:references:message-id :subject:cc:to:from:date:x-gm-message-state:from:to:cc:subject:date :message-id:reply-to; bh=cEIES9uoI6udr7n0rwDVmg+JFtlw13MTcmUB6NYS/Fs=; b=b0qQiQKk/IW55FdoesWajC8SysLta4uKbDVZ6GLHPsp57TYloLtYwvbyBp+1iTAQlj 3vyoJ/1hpE5A5MnDh0ppJXyeWUx5f1C92AR/Gso4sYzKuXcFKkJD5VYXwZh6AtMq5t7F SyDB7Lw2BymHtKyp8pjxDUStvjEAOd0ABE36xFapb0h/h03jQPOcmlDMEWPxFfSq8Cue 6IHljZHJwGfTttYZPDXxPddYlE2C1pM2UQM/mEKHDmOdIds2m7Xhhw52hXdliiiUeBYN AzIZdazn+rAy+ghj+k4zHZAhAx04Dr5EVuT7xHGAdjAjPicLLfpLKUpVcICdzvwnWp42 KZQQ== X-Gm-Message-State: ACrzQf3ccF75QYh+42JLrSXF4Bond9ceby2Pu1lykqI6BuNf5i0SfrZ7 T8vvBRHaasz2QAcwaFrYVk5uvcRGkhP3Yg== X-Google-Smtp-Source: AMsMyM6g03QtM2lxxRFFtJpX8fOsFfXKZnEtb1T+ZA1Qb42N5pHM0lMkBPYTSbh0DN2bqHcDkzPzjw== X-Received: by 2002:a17:90b:110c:b0:205:cfeb:cfb with SMTP id gi12-20020a17090b110c00b00205cfeb0cfbmr4947459pjb.75.1666798897930; Wed, 26 Oct 2022 08:41:37 -0700 (PDT) Received: from www.outflux.net (smtp.outflux.net. [198.145.64.163]) by smtp.gmail.com with ESMTPSA id a64-20020a621a43000000b00528a097aeffsm3143679pfa.118.2022.10.26.08.41.36 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 26 Oct 2022 08:41:36 -0700 (PDT) Date: Wed, 26 Oct 2022 08:41:35 -0700 From: Kees Cook To: "Jason A. Donenfeld" Cc: Gabriel Paubert , Linus Torvalds , Segher Boessenkool , linux-kernel@vger.kernel.org, linux-kbuild@vger.kernel.org, linux-arch@vger.kernel.org, linux-toolchains@vger.kernel.org, Masahiro Yamada , Andrew Morton , Andy Shevchenko , Greg Kroah-Hartman Subject: Re: [PATCH] kbuild: treat char as always signed Message-ID: <202210260840.475445C@keescook> References: <20221019174345.GM25951@gate.crashing.org> <202210251555.88933A57F@keescook> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: Precedence: bulk List-ID: X-Mailing-List: linux-toolchains@vger.kernel.org On Wed, Oct 26, 2022 at 02:04:30AM +0200, Jason A. Donenfeld wrote: > ... (Once the > -funsigned-char changes go in, though, we should probably decide that > s8[] is never a valid string.) Yeah, that's my goal too. -- Kees Cook