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 A668EC25B06 for ; Fri, 5 Aug 2022 00:41:58 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S234862AbiHEAl5 (ORCPT ); Thu, 4 Aug 2022 20:41:57 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:49800 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S234455AbiHEAl4 (ORCPT ); Thu, 4 Aug 2022 20:41:56 -0400 Received: from mga11.intel.com (mga11.intel.com [192.55.52.93]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 636196FA20; Thu, 4 Aug 2022 17:41:55 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1659660115; x=1691196115; h=date:from:to:cc:subject:message-id:references: mime-version:in-reply-to; bh=/VEyLkxeq77TQnF1fntRymq2bZdRxvN59tAQlnS5Qdg=; b=fh+3hx0sPvwJMqK4qBnA1SssG8GqmdFFanDeJXXRt3D/fm4gNQTdQAAA g46iXw89gz5RDqsoVKzHln8pJb4f5rrzQ+mh3k0vMGnDb1m0oU5bKW6Hs 3rOF7drNcUVm5hBqzMHg8ldYFPOVnFG6jKQ99RyiIGSWA5DQn1NjckU3j AmEjq2A5M87TZM3dsNIgjJbS4e3yLqBES6w7pxEak0H8jtctSO6+AivAF Mc+z0WgdKJAcov6CZhRTaKfk/crRm2otqbDTWSWpORLRiiWHdp5D9BOK8 AOVD3pOOdu4bIZ27qR9Z4RECa1Heq05e/a9tU4rmpWzlI91g3bLdFrg3q Q==; X-IronPort-AV: E=McAfee;i="6400,9594,10429"; a="287650913" X-IronPort-AV: E=Sophos;i="5.93,216,1654585200"; d="scan'208";a="287650913" Received: from orsmga001.jf.intel.com ([10.7.209.18]) by fmsmga102.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 04 Aug 2022 17:41:55 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.93,216,1654585200"; d="scan'208";a="636308499" Received: from lkp-server01.sh.intel.com (HELO e0eace57cfef) ([10.239.97.150]) by orsmga001.jf.intel.com with ESMTP; 04 Aug 2022 17:41:51 -0700 Received: from kbuild by e0eace57cfef with local (Exim 4.96) (envelope-from ) id 1oJlPT-000IzX-0I; Fri, 05 Aug 2022 00:41:51 +0000 Date: Fri, 5 Aug 2022 08:41:33 +0800 From: kernel test robot To: Yang Jihong , rostedt@goodmis.org, peterz@infradead.org, mingo@redhat.com, acme@kernel.org, mark.rutland@arm.com, alexander.shishkin@linux.intel.com, jolsa@kernel.org, namhyung@kernel.org, linux-kernel@vger.kernel.org, linux-perf-users@vger.kernel.org Cc: llvm@lists.linux.dev, kbuild-all@lists.01.org, yangjihong1@huawei.com Subject: Re: [PATCH] perf/core: Fix syzkaller reported issue "Internal error in read_pmevcntrn" Message-ID: <202208050845.V2B12mSf-lkp@intel.com> References: <20220804105918.113833-1-yangjihong1@huawei.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20220804105918.113833-1-yangjihong1@huawei.com> Precedence: bulk List-ID: X-Mailing-List: linux-perf-users@vger.kernel.org Hi Yang, Thank you for the patch! Yet something to improve: [auto build test ERROR on tip/perf/core] [also build test ERROR on linus/master v5.19 next-20220804] [cannot apply to acme/perf/core] [If your patch is applied to the wrong git tree, kindly drop us a note. And when submitting patch, we suggest to use '--base' as documented in https://git-scm.com/docs/git-format-patch#_base_tree_information] url: https://github.com/intel-lab-lkp/linux/commits/Yang-Jihong/perf-core-Fix-syzkaller-reported-issue-Internal-error-in-read_pmevcntrn/20220804-190347 base: https://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git 326ecc15c61c349cd49d1700ff9e3e31c6fd1cd5 config: arm-randconfig-r004-20220804 (https://download.01.org/0day-ci/archive/20220805/202208050845.V2B12mSf-lkp@intel.com/config) compiler: clang version 16.0.0 (https://github.com/llvm/llvm-project 26dd42705c2af0b8f6e5d6cdb32c9bd5ed9524eb) 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 # install arm cross compiling tool for clang build # apt-get install binutils-arm-linux-gnueabi # https://github.com/intel-lab-lkp/linux/commit/9c758a8d3d13d1ac89f651850b79d91b23b41b02 git remote add linux-review https://github.com/intel-lab-lkp/linux git fetch --no-tags linux-review Yang-Jihong/perf-core-Fix-syzkaller-reported-issue-Internal-error-in-read_pmevcntrn/20220804-190347 git checkout 9c758a8d3d13d1ac89f651850b79d91b23b41b02 # save the config file mkdir build_dir && cp config build_dir/.config COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=arm SHELL=/bin/bash If you fix the issue, kindly add following tag where applicable Reported-by: kernel test robot All errors (new ones prefixed by >>): >> kernel/events/core.c:6942:20: error: use of undeclared identifier 'flags' local_irq_restore(flags); ^ >> kernel/events/core.c:6942:20: error: use of undeclared identifier 'flags' 2 errors generated. vim +/flags +6942 kernel/events/core.c 6896 6897 static void perf_output_read_group(struct perf_output_handle *handle, 6898 struct perf_event *event, 6899 u64 enabled, u64 running) 6900 { 6901 struct perf_event *leader = event->group_leader, *sub; 6902 u64 read_format = event->attr.read_format; 6903 u64 values[6]; 6904 int n = 0; 6905 6906 values[n++] = 1 + leader->nr_siblings; 6907 6908 if (read_format & PERF_FORMAT_TOTAL_TIME_ENABLED) 6909 values[n++] = enabled; 6910 6911 if (read_format & PERF_FORMAT_TOTAL_TIME_RUNNING) 6912 values[n++] = running; 6913 6914 if ((leader != event) && 6915 (leader->state == PERF_EVENT_STATE_ACTIVE)) 6916 leader->pmu->read(leader); 6917 6918 values[n++] = perf_event_count(leader); 6919 if (read_format & PERF_FORMAT_ID) 6920 values[n++] = primary_event_id(leader); 6921 if (read_format & PERF_FORMAT_LOST) 6922 values[n++] = atomic64_read(&leader->lost_samples); 6923 6924 __output_copy(handle, values, n * sizeof(u64)); 6925 6926 for_each_sibling_event(sub, leader) { 6927 n = 0; 6928 6929 if ((sub != event) && 6930 (sub->state == PERF_EVENT_STATE_ACTIVE)) 6931 sub->pmu->read(sub); 6932 6933 values[n++] = perf_event_count(sub); 6934 if (read_format & PERF_FORMAT_ID) 6935 values[n++] = primary_event_id(sub); 6936 if (read_format & PERF_FORMAT_LOST) 6937 values[n++] = atomic64_read(&sub->lost_samples); 6938 6939 __output_copy(handle, values, n * sizeof(u64)); 6940 } 6941 > 6942 local_irq_restore(flags); 6943 } 6944 -- 0-DAY CI Kernel Test Service https://01.org/lkp