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 762C6C4708D for ; Tue, 27 Dec 2022 00:30:40 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S232580AbiL0AaS (ORCPT ); Mon, 26 Dec 2022 19:30:18 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:37226 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S232593AbiL0A3v (ORCPT ); Mon, 26 Dec 2022 19:29:51 -0500 Received: from mail-oa1-x33.google.com (mail-oa1-x33.google.com [IPv6:2001:4860:4864:20::33]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id BE87C6368 for ; Mon, 26 Dec 2022 16:29:44 -0800 (PST) Received: by mail-oa1-x33.google.com with SMTP id 586e51a60fabf-142b72a728fso14017268fac.9 for ; Mon, 26 Dec 2022 16:29:44 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20210112; h=in-reply-to:content-disposition:mime-version:references:message-id :subject:cc:to:from:date:sender:from:to:cc:subject:date:message-id :reply-to; bh=pZCjKnF3mrmFabJqyKS5HhejnoYCph4rooGlB9wNlak=; b=oxIG+0kCjxP8imY2AwiM772NAgqwLKk7qvT2ohI5UTXmzgHEOGVwoHm52ngDpJ3pYa YEC2vZ3X4X73G5XjPF/10hmq1pnQXNLfam33f76GH9hYFL/sAKqk0/Rllgu8L92WUlpI UfQeGMksx+rT4BkKQwOyCXTgCYInvXPoMXEofmenSgBXutdVhu2o7Rbsi0cPjc/gG3qB wmB4DQML4d6J5Jax+CGmE9ySXlUJe22B2RHohdx8gITzJLxNhtn4tE8Efp3B4mrBxsy6 M6TmTMVB/m9p3qhAgfdtuNItm7S2veyf0IoSTR2PovCVe9TqXxXQSlmRYjFHRbBhfx+4 CkGg== 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:sender:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=pZCjKnF3mrmFabJqyKS5HhejnoYCph4rooGlB9wNlak=; b=7u0lB8d1D8I2Td2UuoF17e5fUps4yXe0Me/zsvDyNvaxzq/oUYtU7E/JtsTMKvbenM KACidbDXAp28cAXuFK0W/wzQIm2rqdld4SxsukHFY8hYAySdbK+7HJvLACioJpLViisV w5dyIO2gI2Z63k51GVLVeB50q9CxeunSPn1Y5VSD3ojJKLZaaG1isEztfACYuIW+06PD yC+K6A5cNXvJskFjACnpNTA5BLxrWl6Yy5Ypey024Jo0DsKhejR0LtV9lhvOEDTcHZF3 2975kvCfz86XC2gLYaCdc7Ak/sKdbSoxrIu8d8+Pq8ChA85iJ2L/JLEGtdIyhDsuutrL 6JiQ== X-Gm-Message-State: AFqh2kqAcePL3FWcp2QxnWMv+2/3eCvsgxgVmS2YuBVBmbyh7LbVikWc cDJH7r2/GtVC9Wj39+QJhew= X-Google-Smtp-Source: AMrXdXt5IX+GVgNLaE1bFJmprOXoGvddihAlvb2ARng0s7epDkH/lZ45NE/QZGU4lX9cGbq0MJXidg== X-Received: by 2002:a05:6870:4254:b0:144:1ba:3d5a with SMTP id v20-20020a056870425400b0014401ba3d5amr8420332oac.41.1672100983975; Mon, 26 Dec 2022 16:29:43 -0800 (PST) Received: from server.roeck-us.net ([2600:1700:e321:62f0:329c:23ff:fee3:9d7c]) by smtp.gmail.com with ESMTPSA id k16-20020a056870d39000b00132741e966asm5518008oag.51.2022.12.26.16.29.42 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 26 Dec 2022 16:29:43 -0800 (PST) Sender: Guenter Roeck Date: Mon, 26 Dec 2022 16:29:41 -0800 From: Guenter Roeck To: Kees Cook Cc: Linus Torvalds , Jaegeuk Kim , Chao Yu , Linux Kernel Mailing List , Vlastimil Babka , Peter Zijlstra , Nick Desaulniers , Kees Cook Subject: Re: Linux 6.2-rc1 Message-ID: <20221227002941.GA2691687@roeck-us.net> References: <20221226195206.GA2626419@roeck-us.net> 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-kernel@vger.kernel.org On Mon, Dec 26, 2022 at 01:03:59PM -0800, Kees Cook wrote: > On December 26, 2022 12:56:29 PM PST, Linus Torvalds wrote: > >On Mon, Dec 26, 2022 at 11:52 AM Guenter Roeck wrote: > >> > >> fs/f2fs/inline.c: In function 'f2fs_move_inline_dirents': > >> include/linux/fortify-string.h:59:33: error: '__builtin_memset' pointer overflow between offset [28, 898293814] and size [-898293787, -1] [-Werror=array-bounds] > >> fs/f2fs/inline.c:430:9: note: in expansion of macro 'memset' > >> 430 | memset(dst.bitmap + src.nr_bitmap, 0, dst.nr_bitmap - src.nr_bitmap); > >> | ^~~~~~ > > > >Well, that's unfortunate. > > I'll look into this. > I did some more testing. The problem is seen with gcc 11.3.0, but not with gcc 12.2.0 nor with gcc 10.3.0. gcc bug ? Should I switch to gcc 12.2.0 for powerpc when build testing the latest kernel ? Guenter