From mboxrd@z Thu Jan 1 00:00:00 1970 From: Stephen Rothwell Subject: Re: linux-next: build failure after merge of the akpm-current tree Date: Thu, 15 Jun 2017 11:35:48 +1000 Message-ID: <20170615113548.3e4edcf4@canb.auug.org.au> References: <20170605170117.6a1fc15e@canb.auug.org.au> Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Return-path: Received: from ozlabs.org ([103.22.144.67]:45117 "EHLO ozlabs.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750770AbdFOBfu (ORCPT ); Wed, 14 Jun 2017 21:35:50 -0400 In-Reply-To: <20170605170117.6a1fc15e@canb.auug.org.au> Sender: linux-next-owner@vger.kernel.org List-ID: To: Andrew Morton Cc: Linux-Next Mailing List , Linux Kernel Mailing List , Daniel Micay , Kees Cook Hi all, On Mon, 5 Jun 2017 17:01:17 +1000 Stephen Rothwell wrote: > > After merging the akpm-current tree, today's linux-next build (x86_64 > allmodconfig) failed like this: > > sound/pcmcia/pdaudiocf/pdaudiocf.o: warning: objtool: .text: unexpected end of section > arch/x86/ras/mce_amd_inj.o: warning: objtool: inj_readme_read() falls through to next function extcpu_fops_open() > sound/sound_core.o: warning: objtool: register_sound_special_device() falls through to next function register_sound_special() > > and many more like those. Also: > > In file included from /home/sfr/next/next/include/linux/bitmap.h:8:0, > from /home/sfr/next/next/include/linux/cpumask.h:11, > from /home/sfr/next/next/arch/x86/include/asm/cpumask.h:4, > from /home/sfr/next/next/arch/x86/include/asm/msr.h:10, > from /home/sfr/next/next/arch/x86/include/asm/processor.h:20, > from /home/sfr/next/next/arch/x86/include/asm/cpufeature.h:4, > from /home/sfr/next/next/arch/x86/include/asm/thread_info.h:52, > from /home/sfr/next/next/include/linux/thread_info.h:37, > from /home/sfr/next/next/arch/x86/include/asm/preempt.h:6, > from /home/sfr/next/next/include/linux/preempt.h:80, > from /home/sfr/next/next/include/linux/spinlock.h:50, > from /home/sfr/next/next/include/linux/mmzone.h:7, > from /home/sfr/next/next/include/linux/gfp.h:5, > from /home/sfr/next/next/arch/x86/power/hibernate_64.c:11: > In function 'memcpy', > inlined from 'relocate_restore_code' at /home/sfr/next/next/arch/x86/power/hibernate_64.c:150:2, > inlined from 'swsusp_arch_resume' at /home/sfr/next/next/arch/x86/power/hibernate_64.c:185:8: > /home/sfr/next/next/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 > __read_overflow2(); > ^ > > Caused by commit > > 088a5ecf7581 ("include/linux/string.h: add the option of fortified string.h functions") > > We really need to fix all the known problems it detects *before* > merging this commit ... > > I have reverted it for today. I am still needing to revert this every day ... -- Cheers, Stephen Rothwell