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From: kernel test robot <yi1.lai@intel.com>
To: Dapeng Mi <dapeng1.mi@linux.intel.com>
Cc: oe-lkp@lists.linux.dev, lkp@intel.com,
	linux-kernel@vger.kernel.org,
	Peter Zijlstra <peterz@infradead.org>,
	linux-perf-users@vger.kernel.org, yi1.lai@intel.com
Subject: [linus:master] [perf/core]  166f10836a: perf-sanity-tests.Object_code_reading.fail
Date: Tue, 15 Sep 2026 15:45:00 +0800	[thread overview]
Message-ID: <202609151503.cb02f753-lkp@intel.com> (raw)



Hello,

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

commit: 166f10836a653dfa280d4335603b52f685b8b1ef ("perf/core: Fix kernel register info leak via hardware skid") https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git master

[test failed on linux-next/master 68142f986ff04b2b70b31db00f719bf690f64a9a]

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

	perf_compiler: gcc
	group: group-00

config: x86_64-rhel-9.4-bpf
compiler: gcc-14
test machine: 20 threads 1 sockets (Commet Lake) with 16G memory

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 <yi1.lai@intel.com>
| Closes: https://lore.kernel.org/oe-lkp/202609151503.cb02f753-lkp@intel.com


2026-09-14 10:03:47 sudo ASAN_OPTIONS=fast_unwind_on_malloc=0 /usr/src/linux-perf-x86_64-rhel-9.4-bpf-166f10836a653dfa280d4335603b52f685b8b1ef/tools/perf/perf test 23 -v
 23: Object code reading                                 : Running (1 active)
---- start ----
...
Reading object code for memory address: 0x7f6d46bf44de File is: /usr/lib/x86_64-linux-gnu/libc.so.6
Already tested /usr/lib/x86_64-linux-gnu/libc.so.6 @ 0xff4de - skipping Reading object code for memory address: 0x7f6d46bf44de File is: /usr/lib/x86_64-linux-gnu/libc.so.6
Already tested /usr/lib/x86_64-linux-gnu/libc.so.6 @ 0xff4de - skipping Reading object code for memory address: 0 thread__find_map failed
---- end(-1) ----
 23: Object code reading                                 : FAILED!


The kernel config and materials to reproduce are available at:
https://download.01.org/0day-ci/archive/20260915/202609151503.cb02f753-lkp@intel.com

This defect was originally reported on the perf/core branch (see https://lore.kernel.org/oe-lkp/202607091054.7c96d6c6-lkp@intel.com/). Since the culprit patch has now been merged into the mainline kernel, we have re-submitted the report to ensure proper tracking.

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



             reply	other threads:[~2026-09-15  7:45 UTC|newest]

Thread overview: 2+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2026-09-15  7:45 kernel test robot [this message]
2026-09-15  9:27 ` Mi, Dapeng

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