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X-OriginatorOrg: intel.com 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 | Closes: https://lore.kernel.org/oe-lkp/202607091054.7c96d6c6-lkp@intel.com 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@intel.com -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki