linux-kernel - Re: [PATCH] perf/core: Improve arguments checking of inherited per-task counters when sampling.

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Message-ID: <202508200832.1aec09e3-lkp@intel.com>
Date: Wed, 20 Aug 2025 15:17:25 +0800
From: kernel test robot <oliver.sang@...el.com>
To: Chengdong Li <chengdongli@...imatist.com>
CC: <oe-lkp@...ts.linux.dev>, <lkp@...el.com>,
	<linux-perf-users@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
	<peterz@...radead.org>, <mingo@...hat.com>, <acme@...nel.org>,
	<namhyung@...nel.org>, <mark.rutland@....com>,
	<alexander.shishkin@...ux.intel.com>, <jolsa@...nel.org>,
	<irogers@...gle.com>, <adrian.hunter@...el.com>, <kan.liang@...ux.intel.com>,
	Chengdong Li <chengdongli@...imatist.com>, <oliver.sang@...el.com>
Subject: Re: [PATCH] perf/core: Improve arguments checking of inherited
 per-task counters when sampling.

Hello,

kernel test robot noticed "perf-sanity-tests.Sigtrap.fail" on:

commit: d692062da890da0c9f0c6bb2d7818c635eecd2d7 ("[PATCH] perf/core: Improve arguments checking of inherited per-task counters when sampling.")
url: https://github.com/intel-lab-lkp/linux/commits/Chengdong-Li/perf-core-Improve-arguments-checking-of-inherited-per-task-counters-when-sampling/20250814-190823
base: https://git.kernel.org/cgit/linux/kernel/git/perf/perf-tools-next.git perf-tools-next
patch link: https://lore.kernel.org/all/20250814110625.84622-1-chengdongli@optimatist.com/
patch subject: [PATCH] perf/core: Improve arguments checking of inherited per-task counters when sampling.

in testcase: perf-sanity-tests
version: 
with following parameters:

	perf_compiler: gcc
	group: group-01

config: x86_64-rhel-9.4-bpf
compiler: gcc-12
test machine: 20 threads 1 sockets (Commet Lake) with 16G memory

(please refer to attached dmesg/kmsg for entire log/backtrace)

If you fix the issue in a separate patch/commit (i.e. not just a new version of
the same patch/commit), kindly add following tags
| Reported-by: kernel test robot <oliver.sang@...el.com>
| Closes: https://lore.kernel.org/oe-lkp/202508200832.1aec09e3-lkp@intel.com

The kernel config and materials to reproduce are available at:
https://download.01.org/0day-ci/archive/20250820/202508200832.1aec09e3-lkp@intel.com

2025-08-18 01:23:06 sudo /usr/src/linux-perf-x86_64-rhel-9.4-bpf-d692062da890da0c9f0c6bb2d7818c635eecd2d7/tools/perf/perf test 65 -v
 65: Sigtrap                                                         : Running (1 active)
--- start ---
test child forked, pid 7414
FAILED sys_perf_event_open(): Invalid argument
---- end(-1) ----
 65: Sigtrap                                                         : FAILED!

-- 
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki