[linus:master] [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/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@xxxxxxxxx>
| Closes: https://lore.kernel.org/oe-lkp/202609151503.cb02f753-lkp@xxxxxxxxx


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@xxxxxxxxx

This defect was originally reported on the perf/core branch (see https://lore.kernel.org/oe-lkp/202607091054.7c96d6c6-lkp@xxxxxxxxx/). 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