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 CB4E8C433F5 for ; Sat, 1 Jan 2022 10:04:41 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231300AbiAAKEk (ORCPT ); Sat, 1 Jan 2022 05:04:40 -0500 Received: from mga07.intel.com ([134.134.136.100]:26025 "EHLO mga07.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229624AbiAAKEk (ORCPT ); Sat, 1 Jan 2022 05:04:40 -0500 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1641031480; x=1672567480; h=date:from:to:cc:subject:message-id:references: mime-version:in-reply-to; bh=yNHXNBtjjqAVJb76i919G1PmmPUXGG2WzOs+akbi2go=; b=MB/KEo3ruOOg9T/+O1GL5zPdZx2sOrkv91O/N/2N8GONq34fO16mNRxf 5/MH5SFqGeCcuWW9CorUudkScOZuBcyNpIS+gmBsq4mMbfLF41mGUOujT ZOzpyCWoLWJGGNq/yVqTN/taKsYSgNSysvRXoSxJTzXS9jFeiCJOe6aD7 ULBKUurk4wucOb6INb94ABJBAqu8M5p2Lz1HmrjwwlypGh29FKINKtQrP OP58scqS9p2QsniGhXqDy+zaGGsTS9T3diPFbjEYxyHcjCcgcqwZ2zj7k x1ZCGrrTim2JVcJ7uCcd0uVn33WMS26CzZJwrgWXUbfy/12gjwqxNUdeM w==; X-IronPort-AV: E=McAfee;i="6200,9189,10214"; a="305242521" X-IronPort-AV: E=Sophos;i="5.88,253,1635231600"; d="scan'208";a="305242521" Received: from orsmga006.jf.intel.com ([10.7.209.51]) by orsmga105.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 01 Jan 2022 02:04:39 -0800 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.88,253,1635231600"; d="scan'208";a="471136875" Received: from lkp-server01.sh.intel.com (HELO e357b3ef1427) ([10.239.97.150]) by orsmga006.jf.intel.com with ESMTP; 01 Jan 2022 02:04:36 -0800 Received: from kbuild by e357b3ef1427 with local (Exim 4.92) (envelope-from ) id 1n3bFb-000CL2-QD; Sat, 01 Jan 2022 10:04:35 +0000 Date: Sat, 1 Jan 2022 18:03:45 +0800 From: kernel test robot To: Kumar Kartikeya Dwivedi , bpf@vger.kernel.org, netdev@vger.kernel.org, netfilter-devel@vger.kernel.org Cc: kbuild-all@lists.01.org, Luis Chamberlain , Jessica Yu , Josh Poimboeuf , Jiri Kosina , Miroslav Benes , Petr Mladek , Joe Lawrence Subject: Re: [PATCH bpf-next v5 1/9] kernel: Add kallsyms_on_each_symbol variant for single module Message-ID: <202201011858.vOPCCeDV-lkp@intel.com> References: <20211230023705.3860970-2-memxor@gmail.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20211230023705.3860970-2-memxor@gmail.com> User-Agent: Mutt/1.10.1 (2018-07-13) Precedence: bulk List-ID: X-Mailing-List: netfilter-devel@vger.kernel.org Hi Kumar, Thank you for the patch! Perhaps something to improve: [auto build test WARNING on bpf-next/master] url: https://github.com/0day-ci/linux/commits/Kumar-Kartikeya-Dwivedi/Introduce-unstable-CT-lookup-helpers/20211230-103958 base: https://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf-next.git master config: ia64-randconfig-s031-20211230 (https://download.01.org/0day-ci/archive/20220101/202201011858.vOPCCeDV-lkp@intel.com/config) compiler: ia64-linux-gcc (GCC) 11.2.0 reproduce: wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross # apt-get install sparse # sparse version: v0.6.4-dirty # https://github.com/0day-ci/linux/commit/25d6b438335605e4e002f7afde50a3eaf17a0b6c git remote add linux-review https://github.com/0day-ci/linux git fetch --no-tags linux-review Kumar-Kartikeya-Dwivedi/Introduce-unstable-CT-lookup-helpers/20211230-103958 git checkout 25d6b438335605e4e002f7afde50a3eaf17a0b6c # save the config file to linux build tree mkdir build_dir COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-11.2.0 make.cross C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__' O=build_dir ARCH=ia64 SHELL=/bin/bash If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot sparse warnings: (new ones prefixed by >>) kernel/module.c:2762:23: sparse: sparse: incorrect type in assignment (different address spaces) @@ expected struct mod_kallsyms [noderef] __rcu *kallsyms @@ got void * @@ kernel/module.c:2762:23: sparse: expected struct mod_kallsyms [noderef] __rcu *kallsyms kernel/module.c:2762:23: sparse: got void * >> kernel/module.c:4510:18: sparse: sparse: incorrect type in assignment (different address spaces) @@ expected struct mod_kallsyms *kallsyms @@ got struct mod_kallsyms [noderef] __rcu *kallsyms @@ kernel/module.c:4510:18: sparse: expected struct mod_kallsyms *kallsyms kernel/module.c:4510:18: sparse: got struct mod_kallsyms [noderef] __rcu *kallsyms kernel/module.c:2764:12: sparse: sparse: dereference of noderef expression kernel/module.c:2765:12: sparse: sparse: dereference of noderef expression kernel/module.c:2767:12: sparse: sparse: dereference of noderef expression kernel/module.c:2768:12: sparse: sparse: dereference of noderef expression kernel/module.c:2777:18: sparse: sparse: dereference of noderef expression kernel/module.c:2778:35: sparse: sparse: dereference of noderef expression kernel/module.c:2779:20: sparse: sparse: dereference of noderef expression kernel/module.c:2784:32: sparse: sparse: dereference of noderef expression kernel/module.c:2787:45: sparse: sparse: dereference of noderef expression vim +4510 kernel/module.c 4499 4500 int module_kallsyms_on_each_symbol(struct module *mod, 4501 int (*fn)(void *, const char *, 4502 struct module *, unsigned long), 4503 void *data) 4504 { 4505 struct mod_kallsyms *kallsyms; 4506 int ret = 0; 4507 4508 mutex_lock(&module_mutex); 4509 /* We hold module_mutex: no need for rcu_dereference_sched */ > 4510 kallsyms = mod->kallsyms; 4511 if (mod->state != MODULE_STATE_UNFORMED) 4512 ret = __module_kallsyms_on_each_symbol(kallsyms, mod, fn, data); 4513 mutex_unlock(&module_mutex); 4514 4515 return ret; 4516 } 4517 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org