From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-wm0-f70.google.com (mail-wm0-f70.google.com [74.125.82.70]) by kanga.kvack.org (Postfix) with ESMTP id 088D46B0279 for ; Mon, 26 Jun 2017 17:45:43 -0400 (EDT) Received: by mail-wm0-f70.google.com with SMTP id 12so2134649wmn.1 for ; Mon, 26 Jun 2017 14:45:42 -0700 (PDT) Received: from mail.linuxfoundation.org (mail.linuxfoundation.org. [140.211.169.12]) by mx.google.com with ESMTPS id k33si13169047wre.240.2017.06.26.14.45.41 for (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Mon, 26 Jun 2017 14:45:41 -0700 (PDT) Date: Mon, 26 Jun 2017 14:45:39 -0700 From: Andrew Morton Subject: Re: [kees:for-next/fortify 8/8] include/linux/string.h:309:4: error: call to '__read_overflow2' declared with attribute error: detected read beyond size of object passed as 2nd parameter Message-Id: <20170626144539.1e2f7e07ed9d7063db77d063@linux-foundation.org> In-Reply-To: <201706250930.6iL2L5TJ%fengguang.wu@intel.com> References: <201706250930.6iL2L5TJ%fengguang.wu@intel.com> Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Sender: owner-linux-mm@kvack.org List-ID: To: kbuild test robot Cc: Daniel Micay , kbuild-all@01.org, Kees Cook , Linux Memory Management List On Sun, 25 Jun 2017 09:16:32 +0800 kbuild test robot wrote: > tree: https://git.kernel.org/pub/scm/linux/kernel/git/kees/linux.git for-next/fortify > head: d481d95b725d2abc7ed31f2f8c4c95c2bd8b0282 > commit: d481d95b725d2abc7ed31f2f8c4c95c2bd8b0282 [8/8] include/linux/string.h: add the option of fortified string.h functions > config: i386-allmodconfig (attached as .config) > compiler: gcc-6 (Debian 6.2.0-3) 6.2.0 20160901 > reproduce: > git checkout d481d95b725d2abc7ed31f2f8c4c95c2bd8b0282 > # save the attached .config to linux build tree > make ARCH=i386 > > All errors (new ones prefixed by >>): > > In file included from arch/x86/include/asm/page_32.h:34:0, > from arch/x86/include/asm/page.h:13, > from arch/x86/include/asm/thread_info.h:11, > from include/linux/thread_info.h:37, > from arch/x86/include/asm/preempt.h:6, > from include/linux/preempt.h:80, > from include/linux/spinlock.h:50, > from include/linux/mmzone.h:7, > from include/linux/gfp.h:5, > from include/linux/slab.h:14, > from drivers/scsi/csiostor/csio_lnode.c:37: > In function 'memcpy', > inlined from 'csio_append_attrib' at drivers/scsi/csiostor/csio_lnode.c:248:2, hm, this was added by Kees's 42c335f7e6702 ("scsi: csiostor: Avoid content leaks and casts"). I think I'll tend to ignore these odd stragglers now - a few more will probably pop up and we can fix them after 4.13-rc1 as they are reported. -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@kvack.org. For more info on Linux MM, see: http://www.linux-mm.org/ . Don't email: email@kvack.org