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 9079EC636D6 for ; Mon, 20 Feb 2023 05:29:11 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229670AbjBTF3J (ORCPT ); Mon, 20 Feb 2023 00:29:09 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:50490 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229637AbjBTF3I (ORCPT ); Mon, 20 Feb 2023 00:29:08 -0500 Received: from mga17.intel.com (mga17.intel.com [192.55.52.151]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id F241DB442 for ; Sun, 19 Feb 2023 21:29:07 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1676870947; x=1708406947; h=date:from:to:cc:subject:message-id:references: mime-version:in-reply-to; bh=8bf9iFk5+9dK64rYiv8pcnAkYcrbshioFiVlL55tCIg=; b=TBzWyMC5FLGSEQJuMEpQAdFPTltSMWJh27sUqEGxp1xBe4Jr7wN8wTpp Ed/dZs9ZCYsnp+yionajfZYGNODQWP9F6WWZGP7eKF3+PAyO+V4Y/YGyw KbJDksM+hoIzm7INsKMiPhINwQorddjG5FoK161HyzMCdEwEBi0UBrbpR 8m2CSxZcpNUf+6J/TLHA6xUl+9WdYjSbvgOYt9d5/8ah8i/6RC3Rx8913 t2eU/Yd5K+pGTcvKAojW+qHgOidzmAcI7PZl+aZaJWpdiUX+yn6kEoeSN pSebjE8xFxW0AXHqWdRjdkZHqc7+FOuIz5uUhMKemrQyCgZKd6+7Y7Q3l w==; X-IronPort-AV: E=McAfee;i="6500,9779,10626"; a="312691838" X-IronPort-AV: E=Sophos;i="5.97,311,1669104000"; d="scan'208";a="312691838" Received: from orsmga006.jf.intel.com ([10.7.209.51]) by fmsmga107.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 19 Feb 2023 21:29:07 -0800 X-ExtLoop1: 1 X-IronPort-AV: E=McAfee;i="6500,9779,10626"; a="648716796" X-IronPort-AV: E=Sophos;i="5.97,311,1669104000"; d="scan'208";a="648716796" Received: from lkp-server01.sh.intel.com (HELO 4455601a8d94) ([10.239.97.150]) by orsmga006.jf.intel.com with ESMTP; 19 Feb 2023 21:29:04 -0800 Received: from kbuild by 4455601a8d94 with local (Exim 4.96) (envelope-from ) id 1pTyjX-000Dhl-1G; Mon, 20 Feb 2023 05:29:03 +0000 Date: Mon, 20 Feb 2023 13:28:08 +0800 From: kernel test robot To: Kumar Kartikeya Dwivedi , bpf@vger.kernel.org Cc: oe-kbuild-all@lists.linux.dev, Martin KaFai Lau , KP Singh , "Paul E . McKenney" , Alexei Starovoitov , Andrii Nakryiko , Daniel Borkmann , Dave Marchevsky , David Vernet Subject: Re: [PATCH bpf-next v1 2/7] bpf: Support kptrs in local storage maps Message-ID: <202302201347.KsT4rWrN-lkp@intel.com> References: <20230219155249.1755998-3-memxor@gmail.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20230219155249.1755998-3-memxor@gmail.com> Precedence: bulk List-ID: X-Mailing-List: bpf@vger.kernel.org Hi Kumar, Thank you for the patch! Perhaps something to improve: [auto build test WARNING on 168de0233586fb06c5c5c56304aa9a928a09b0ba] url: https://github.com/intel-lab-lkp/linux/commits/Kumar-Kartikeya-Dwivedi/bpf-Support-kptrs-in-percpu-hashmap-and-percpu-LRU-hashmap/20230219-235406 base: 168de0233586fb06c5c5c56304aa9a928a09b0ba patch link: https://lore.kernel.org/r/20230219155249.1755998-3-memxor%40gmail.com patch subject: [PATCH bpf-next v1 2/7] bpf: Support kptrs in local storage maps config: nios2-randconfig-s043-20230219 (https://download.01.org/0day-ci/archive/20230220/202302201347.KsT4rWrN-lkp@intel.com/config) compiler: nios2-linux-gcc (GCC) 12.1.0 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: v0.6.4-39-gce1a6720-dirty # https://github.com/intel-lab-lkp/linux/commit/01f54156de471b78c6355e9aba9860afaf61cedb git remote add linux-review https://github.com/intel-lab-lkp/linux git fetch --no-tags linux-review Kumar-Kartikeya-Dwivedi/bpf-Support-kptrs-in-percpu-hashmap-and-percpu-LRU-hashmap/20230219-235406 git checkout 01f54156de471b78c6355e9aba9860afaf61cedb # save the config file mkdir build_dir && cp config build_dir/.config COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-12.1.0 make.cross C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__' O=build_dir ARCH=nios2 olddefconfig COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-12.1.0 make.cross C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__' O=build_dir ARCH=nios2 SHELL=/bin/bash kernel/bpf/ If you fix the issue, kindly add following tag where applicable | Reported-by: kernel test robot | Link: https://lore.kernel.org/oe-kbuild-all/202302201347.KsT4rWrN-lkp@intel.com/ sparse warnings: (new ones prefixed by >>) >> kernel/bpf/bpf_local_storage.c:107:41: sparse: sparse: dereference of noderef expression vim +107 kernel/bpf/bpf_local_storage.c 101 102 static void bpf_selem_free_rcu(struct rcu_head *rcu) 103 { 104 struct bpf_local_storage_elem *selem; 105 106 selem = container_of(rcu, struct bpf_local_storage_elem, rcu); > 107 bpf_obj_free_fields(SDATA(selem)->smap->map.record, SDATA(selem)); 108 kfree(selem); 109 } 110 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests