From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751024AbdHaIVH (ORCPT ); Thu, 31 Aug 2017 04:21:07 -0400 Received: from ozlabs.org ([103.22.144.67]:54967 "EHLO ozlabs.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750711AbdHaIVF (ORCPT ); Thu, 31 Aug 2017 04:21:05 -0400 Date: Thu, 31 Aug 2017 18:21:01 +1000 From: Stephen Rothwell To: Andrew Morton , Jens Axboe Cc: Linux-Next Mailing List , Linux Kernel Mailing List , Kees Cook , Martin Wilck , Sagi Grimberg , Christoph Hellwig Subject: linux-next: build failure after merge of the akpm-current tree Message-ID: <20170831182101.0e4ad9a2@canb.auug.org.au> MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Hi Andrew, After merging the akpm-current tree, today's linux-next build (arm multi_v7_defconfig) failed like this: In file included from /home/sfr/next/next/include/uapi/linux/uuid.h:21:0, from /home/sfr/next/next/include/linux/uuid.h:19, from /home/sfr/next/next/include/linux/mod_devicetable.h:12, from /home/sfr/next/next/scripts/mod/devicetable-offsets.c:2: /home/sfr/next/next/include/linux/string.h: In function 'memcpy_and_pad': /home/sfr/next/next/include/linux/string.h:450:3: error: implicit declaration of function 'fortify_panic' [-Werror=implicit-function-declaration] fortify_panic(__func__); ^ Caused by commit 9b04e51112ba ("fortify: use WARN instead of BUG for now") interacting with commit 01f33c336e2d ("string.h: add memcpy_and_pad()") from the block tree. I have applied the following merge fix patch: From: Stephen Rothwell Date: Thu, 31 Aug 2017 18:13:43 +1000 Subject: [PATCH] fortify: use WARN instead of BUG for now fix Signed-off-by: Stephen Rothwell --- include/linux/string.h | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/include/linux/string.h b/include/linux/string.h index edd2b6154b80..e3b713114732 100644 --- a/include/linux/string.h +++ b/include/linux/string.h @@ -447,7 +447,7 @@ __FORTIFY_INLINE void memcpy_and_pad(void *dest, size_t dest_len, __read_overflow3(); } if (dest_size < dest_len) - fortify_panic(__func__); + fortify_overflow(__func__); if (dest_len > count) { memcpy(dest, src, count); memset(dest + count, pad, dest_len - count); -- 2.13.2 -- Cheers, Stephen Rothwell