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 493E7C433F5 for ; Fri, 22 Apr 2022 21:35:33 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230074AbiDVViY (ORCPT ); Fri, 22 Apr 2022 17:38:24 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:38552 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229983AbiDVViO (ORCPT ); Fri, 22 Apr 2022 17:38:14 -0400 Received: from mga06.intel.com (mga06b.intel.com [134.134.136.31]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 829A91E3DF3 for ; Fri, 22 Apr 2022 13:39:48 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1650659989; x=1682195989; h=date:from:to:cc:subject:message-id:mime-version; bh=CPrMsqPBc4d+/2ELT/59dZdNya95D7ohcRstQplIP1w=; b=OmjFPCf3qyFFDC0Xb8AwCAHuogKUc2gXFX9OAsxP7fPDApkLy1BSxbBx q1oQmYcUlgCAtsi7YMnG5WUqBcuwFatfnwESr+xomSWbxvbQr3STYAKCW 2BLUDcOniIxzNq1Cr4gMOgTOBz1EBB+qf4u1FSRu6ftcsqhV6ASzxC/oo HZNWSDKM+HLoyIhahfOSQ8cX07eG6uTrHZ33xCr4MpgrTEcKOL4ZNO/dd exrWncZUcdfZ6cHseAOVwXEQivE3F4SDVyQWenke9hUX22LgOeTYRpZ6l KxyA3mtYnrMVFDYiUsjVAS1l5sqC3h2smqfP0GcDhi7WWnkEqWo5eXhQU w==; X-IronPort-AV: E=McAfee;i="6400,9594,10324"; a="325188982" X-IronPort-AV: E=Sophos;i="5.90,282,1643702400"; d="scan'208";a="325188982" Received: from fmsmga006.fm.intel.com ([10.253.24.20]) by orsmga104.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 22 Apr 2022 10:25:54 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.90,282,1643702400"; d="scan'208";a="806077611" Received: from lkp-server01.sh.intel.com (HELO 3abc53900bec) ([10.239.97.150]) by fmsmga006.fm.intel.com with ESMTP; 22 Apr 2022 10:25:52 -0700 Received: from kbuild by 3abc53900bec with local (Exim 4.95) (envelope-from ) id 1nhx2W-000AOU-7j; Fri, 22 Apr 2022 17:25:52 +0000 Date: Sat, 23 Apr 2022 01:25:13 +0800 From: kernel test robot To: Matteo Croce Cc: kbuild-all@lists.01.org, linux-kernel@vger.kernel.org, Emil Renner Berthing Subject: [esmil:visionfive 2/54] mm/kasan/shadow.c:63:7: warning: no previous prototype for 'memcpy' Message-ID: <202204230129.dHHHV3FB-lkp@intel.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org tree: https://github.com/esmil/linux visionfive head: 68fe13e37af4c8331cdd40841353c9725cb65925 commit: 359a031f0505e46e0274570b6e015984f45da29b [2/54] riscv: optimized memcpy config: riscv-randconfig-c003-20220422 (https://download.01.org/0day-ci/archive/20220423/202204230129.dHHHV3FB-lkp@intel.com/config) compiler: riscv64-linux-gcc (GCC) 11.2.0 reproduce (this is a W=1 build): wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross # https://github.com/esmil/linux/commit/359a031f0505e46e0274570b6e015984f45da29b git remote add esmil https://github.com/esmil/linux git fetch --no-tags esmil visionfive git checkout 359a031f0505e46e0274570b6e015984f45da29b # save the config file mkdir build_dir && cp config build_dir/.config COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-11.2.0 make.cross W=1 O=build_dir ARCH=riscv SHELL=/bin/bash mm/kasan/ If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot All warnings (new ones prefixed by >>): >> mm/kasan/shadow.c:63:7: warning: no previous prototype for 'memcpy' [-Wmissing-prototypes] 63 | void *memcpy(void *dest, const void *src, size_t len) | ^~~~~~ vim +/memcpy +63 mm/kasan/shadow.c bb359dbcb70085 Andrey Konovalov 2020-12-22 61 bb359dbcb70085 Andrey Konovalov 2020-12-22 62 #undef memcpy bb359dbcb70085 Andrey Konovalov 2020-12-22 @63 void *memcpy(void *dest, const void *src, size_t len) bb359dbcb70085 Andrey Konovalov 2020-12-22 64 { f00748bfa0246c Andrey Konovalov 2021-02-24 65 if (!kasan_check_range((unsigned long)src, len, false, _RET_IP_) || f00748bfa0246c Andrey Konovalov 2021-02-24 66 !kasan_check_range((unsigned long)dest, len, true, _RET_IP_)) bb359dbcb70085 Andrey Konovalov 2020-12-22 67 return NULL; bb359dbcb70085 Andrey Konovalov 2020-12-22 68 bb359dbcb70085 Andrey Konovalov 2020-12-22 69 return __memcpy(dest, src, len); bb359dbcb70085 Andrey Konovalov 2020-12-22 70 } bb359dbcb70085 Andrey Konovalov 2020-12-22 71 :::::: The code at line 63 was first introduced by commit :::::: bb359dbcb70085a63e8bdbf14837a900750f0cf7 kasan: split out shadow.c from common.c :::::: TO: Andrey Konovalov :::::: CC: Linus Torvalds -- 0-DAY CI Kernel Test Service https://01.org/lkp