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 D064DC433EF for ; Wed, 1 Dec 2021 02:36:04 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1346162AbhLACjX (ORCPT ); Tue, 30 Nov 2021 21:39:23 -0500 Received: from mga18.intel.com ([134.134.136.126]:33512 "EHLO mga18.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S241235AbhLACjV (ORCPT ); Tue, 30 Nov 2021 21:39:21 -0500 X-IronPort-AV: E=McAfee;i="6200,9189,10184"; a="223248659" X-IronPort-AV: E=Sophos;i="5.87,277,1631602800"; d="scan'208";a="223248659" Received: from orsmga004.jf.intel.com ([10.7.209.38]) by orsmga106.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 30 Nov 2021 18:36:01 -0800 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.87,277,1631602800"; d="scan'208";a="609369643" Received: from lkp-server02.sh.intel.com (HELO 9e1e9f9b3bcb) ([10.239.97.151]) by orsmga004.jf.intel.com with ESMTP; 30 Nov 2021 18:35:59 -0800 Received: from kbuild by 9e1e9f9b3bcb with local (Exim 4.92) (envelope-from ) id 1msFTS-000E5E-W3; Wed, 01 Dec 2021 02:35:58 +0000 Date: Wed, 1 Dec 2021 10:35:32 +0800 From: kernel test robot To: Helge Deller Cc: llvm@lists.linux.dev, kbuild-all@lists.01.org, linux-kernel@vger.kernel.org Subject: [deller-parisc:for-next-maybe 1/1] mm/usercopy.c:135:3: error: expected ')' Message-ID: <202112011052.dPaqoNLr-lkp@intel.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline User-Agent: Mutt/1.10.1 (2018-07-13) Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org tree: https://git.kernel.org/pub/scm/linux/kernel/git/deller/parisc-linux.git for-next-maybe head: 4d7b3620412d727e09bf0eef942be42da363260d commit: 4d7b3620412d727e09bf0eef942be42da363260d [1/1] usercopy: Do not fail if memory is from the init section config: hexagon-randconfig-r045-20211128 (https://download.01.org/0day-ci/archive/20211201/202112011052.dPaqoNLr-lkp@intel.com/config) compiler: clang version 14.0.0 (https://github.com/llvm/llvm-project 25eb7fa01d7ebbe67648ea03841cda55b4239ab2) 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://git.kernel.org/pub/scm/linux/kernel/git/deller/parisc-linux.git/commit/?id=4d7b3620412d727e09bf0eef942be42da363260d git remote add deller-parisc https://git.kernel.org/pub/scm/linux/kernel/git/deller/parisc-linux.git git fetch --no-tags deller-parisc for-next-maybe git checkout 4d7b3620412d727e09bf0eef942be42da363260d # save the config file to linux build tree mkdir build_dir COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=hexagon SHELL=/bin/bash If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot All errors (new ones prefixed by >>): >> mm/usercopy.c:135:3: error: expected ')' return; ^ mm/usercopy.c:134:5: note: to match this '(' if (inside_init_area(ptr, n, __init_begin, __init_end) ^ mm/usercopy.c:137:3: error: expected ')' return; ^ mm/usercopy.c:136:5: note: to match this '(' if (inside_init_area(ptr, n, _sinittext, _einittext) ^ 2 errors generated. vim +135 mm/usercopy.c 124 125 /* Is this address range in the kernel text area? */ 126 static inline void check_kernel_text_object(const unsigned long ptr, 127 unsigned long n, bool to_user) 128 { 129 unsigned long textlow = (unsigned long)_stext; 130 unsigned long texthigh = (unsigned long)_etext; 131 unsigned long textlow_linear, texthigh_linear; 132 133 /* Ok if inside the former init sections */ 134 if (inside_init_area(ptr, n, __init_begin, __init_end) > 135 return; 136 if (inside_init_area(ptr, n, _sinittext, _einittext) 137 return; 138 139 if (overlaps(ptr, n, textlow, texthigh)) 140 usercopy_abort("kernel text", NULL, to_user, ptr - textlow, n); 141 142 /* 143 * Some architectures have virtual memory mappings with a secondary 144 * mapping of the kernel text, i.e. there is more than one virtual 145 * kernel address that points to the kernel image. It is usually 146 * when there is a separate linear physical memory mapping, in that 147 * __pa() is not just the reverse of __va(). This can be detected 148 * and checked: 149 */ 150 textlow_linear = (unsigned long)lm_alias(textlow); 151 /* No different mapping: we're done. */ 152 if (textlow_linear == textlow) 153 return; 154 155 /* Check the secondary mapping... */ 156 texthigh_linear = (unsigned long)lm_alias(texthigh); 157 if (overlaps(ptr, n, textlow_linear, texthigh_linear)) 158 usercopy_abort("linear kernel text", NULL, to_user, 159 ptr - textlow_linear, n); 160 } 161 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org