[tip:perf/core] [perf/core] 166f10836a: perf-sanity-tests.Object_code_reading.fail

[kernel test robot]

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/tip/tip.git perf/core


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

	perf_compiler: clang
	group: group-00



config: x86_64-rhel-9.4-bpf
compiler: gcc-14
test machine: 224 threads 4 sockets Intel(R) Xeon(R) Platinum 8380H CPU @ 2.90GHz (Cooper Lake) with 192G 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@xxxxxxxxx>
| Closes: https://lore.kernel.org/oe-lkp/202607091054.7c96d6c6-lkp@xxxxxxxxx


2026-07-07 00:10:32 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 ----
...
Bytes read match those read by objdump
Reading object code for memory address: 0x7feb8f2134fa
File is: /usr/lib/x86_64-linux-gnu/libgcc_s.so.1
On file address is: 0x204fa
Objdump command is: objdump -z -d --start-address=0x204fa --stop-address=0x2057a /usr/lib/x86_64-linux-gnu/libgcc_s.so.1
Bytes read match those read by objdump
Reading object code for memory address: 0
thread__find_map failed
---- end(-1) ----
 23: Object code reading                                 : FAILED!

=== Test Summary ===
Passed main tests : 0
Passed subtests   : 0
Skipped tests     : 0
Failed tests      : 1
List of failed tests:
   23: Object code reading



The kernel config and materials to reproduce are available at:
https://download.01.org/0day-ci/archive/20260709/202607091054.7c96d6c6-lkp@xxxxxxxxx



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https://github.com/intel/lkp-tests/wiki