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0df47ea5-666d-4291-c315-08de0c59a7f1 X-MS-Exchange-CrossTenant-AuthSource: LV3PR11MB8603.namprd11.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Internal X-MS-Exchange-CrossTenant-OriginalArrivalTime: 16 Oct 2025 02:13:54.3613 (UTC) X-MS-Exchange-CrossTenant-FromEntityHeader: Hosted X-MS-Exchange-CrossTenant-Id: 46c98d88-e344-4ed4-8496-4ed7712e255d X-MS-Exchange-CrossTenant-MailboxType: HOSTED X-MS-Exchange-CrossTenant-UserPrincipalName: +UHQasyelMso+8jP3teYiw/Vv4ObQkJiuXYes90gBVAI5ZhuRuOrbTvX8ebjQCUHxZHk/YGsWC/z3b0yH66myA== X-MS-Exchange-Transport-CrossTenantHeadersStamped: PH8PR11MB6950 X-OriginatorOrg: intel.com Hello, we noticed the issue in new added test and test itself failed. kernel test robot noticed "kmsg.sanitizer.indirect_leak/malloc/maps__by_name_index/__maps__remove/__maps__fixup_overlap_and_insert/maps__fixup_overlap_and_insert/machine__process_ksymbol_register/machine__process_ksymbol/free/map__put/__maps__remove/__maps__fixup_overlap_and_insert/maps__fixup_overlap_and_insert/machine__process_ksymbol_register/malloc/map__get/__maps__insert_sorted/__maps__fixup_overlap_and_insert/maps__fixup_overlap_and_insert/machine__process_ksymbol_register/maps__by_name_index/__maps__remove/__maps__fixup_overlap_and_insert/maps__fixup_overlap_and_insert/machine__process_ksymbol_register/machine__process_ksymbol/free/map__put/__maps__remove/__maps__fixup_overlap_and_insert/maps__fixup_overlap_and_insert/machine__process_ksymbol_register/malloc/map__get/__maps__insert_sorted/__maps__fixup_overlap_and_insert/maps__fixup_overlap_and_insert/machine__process_ksymbol_register" on: commit: 2d584688643fac90428ab12513e05d6deff7c606 ("perf test: Add header shell test") https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git master [test failed on linus/master 3a8660878839faadb4f1a6dd72c3179c1df56787] [test failed on linux-next/master 52ba76324a9d7c39830c850999210a36ef023cde] [test failed on fix commit 844f962ca6bf5b01d0af0bc62a7f06135581fe92] in testcase: perf-sanity-tests version: with following parameters: perf_compiler: clang group: group-02 config: x86_64-rhel-9.4-bpf compiler: gcc-14 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 | Closes: https://lore.kernel.org/oe-lkp/202510160935.b4c10a7e-lkp@intel.com 2025-10-13 10:33:04 sudo /usr/src/linux-perf-x86_64-rhel-9.4-bpf-2d584688643fac90428ab12513e05d6deff7c606/tools/perf/perf test 82 -v 82: perf header tests : Running (1 active) --- start --- test child forked, pid 11993 Test perf header file [ perf record: Woken up 2 times to write data ] ================================================================= ==11998==ERROR: AddressSanitizer: heap-use-after-free on address 0x502000039c50 at pc 0x55831a0ef091 bp 0x7ffd8cf52980 sp 0x7ffd8cf52978 READ of size 8 at 0x502000039c50 thread T0 #0 0x55831a0ef090 in maps__by_name_index util/maps.c:423 #1 0x55831a0efc72 in __maps__remove util/maps.c:536 #2 0x55831a0f3849 in __maps__fixup_overlap_and_insert util/maps.c:956 #3 0x55831a0f3975 in maps__fixup_overlap_and_insert util/maps.c:975 #4 0x55831a0c92e0 in machine__process_ksymbol_register util/machine.c:756 #5 0x55831a0c9aa8 in machine__process_ksymbol util/machine.c:824 #6 0x558319f713be in perf_event__process_ksymbol util/event.c:297 #7 0x55831a10acce in machines__deliver_event util/session.c:1344 #8 0x55831a10b342 in perf_session__deliver_event util/session.c:1381 #9 0x55831a10ec96 in perf_session__process_event util/session.c:1674 #10 0x55831a116359 in process_simple util/session.c:2251 #11 0x55831a115319 in reader__read_event util/session.c:2180 #12 0x55831a115cbf in reader__process_events util/session.c:2229 #13 0x55831a116b48 in __perf_session__process_events util/session.c:2274 #14 0x55831a119c04 in perf_session__process_events util/session.c:2438 #15 0x558319a4b942 in process_buildids /usr/src/perf_selftests-x86_64-rhel-9.4-bpf-2d584688643fac90428ab12513e05d6deff7c606/tools/perf/builtin-record.c:1492 #16 0x558319a50376 in record__finish_output /usr/src/perf_selftests-x86_64-rhel-9.4-bpf-2d584688643fac90428ab12513e05d6deff7c606/tools/perf/builtin-record.c:1815 #17 0x558319a5e2f9 in __cmd_record /usr/src/perf_selftests-x86_64-rhel-9.4-bpf-2d584688643fac90428ab12513e05d6deff7c606/tools/perf/builtin-record.c:2876 #18 0x558319a6b9f4 in cmd_record /usr/src/perf_selftests-x86_64-rhel-9.4-bpf-2d584688643fac90428ab12513e05d6deff7c606/tools/perf/builtin-record.c:4350 #19 0x558319c7dc20 in run_builtin /usr/src/perf_selftests-x86_64-rhel-9.4-bpf-2d584688643fac90428ab12513e05d6deff7c606/tools/perf/perf.c:351 #20 0x558319c7e520 in handle_internal_command /usr/src/perf_selftests-x86_64-rhel-9.4-bpf-2d584688643fac90428ab12513e05d6deff7c606/tools/perf/perf.c:404 #21 0x558319c7ea76 in run_argv /usr/src/perf_selftests-x86_64-rhel-9.4-bpf-2d584688643fac90428ab12513e05d6deff7c606/tools/perf/perf.c:448 #22 0x558319c7f21d in main /usr/src/perf_selftests-x86_64-rhel-9.4-bpf-2d584688643fac90428ab12513e05d6deff7c606/tools/perf/perf.c:556 #23 0x7fa209c64ca7 (/lib/x86_64-linux-gnu/libc.so.6+0x29ca7) (BuildId: def5460e3cee00bfee25b429c97bcc4853e5b3a8) #24 0x7fa209c64d64 in __libc_start_main (/lib/x86_64-linux-gnu/libc.so.6+0x29d64) (BuildId: def5460e3cee00bfee25b429c97bcc4853e5b3a8) #25 0x5583199eb4f0 in _start (/usr/src/perf_selftests-x86_64-rhel-9.4-bpf-2d584688643fac90428ab12513e05d6deff7c606/tools/perf/perf+0x102b4f0) (BuildId: 40dc84e2c3040544dfd4a81fbc58e1bb98e5bb4e) 0x502000039c50 is located 0 bytes inside of 8-byte region [0x502000039c50,0x502000039c58) freed by thread T0 here: #0 0x7fa20aebf8f8 in free ../../../../src/libsanitizer/asan/asan_malloc_linux.cpp:52 #1 0x55831a0e7d3a in map__put util/map.c:313 #2 0x55831a0efb77 in __maps__remove util/maps.c:530 #3 0x55831a0f3849 in __maps__fixup_overlap_and_insert util/maps.c:956 #4 0x55831a0f3975 in maps__fixup_overlap_and_insert util/maps.c:975 #5 0x55831a0c92e0 in machine__process_ksymbol_register util/machine.c:756 #6 0x55831a0c9aa8 in machine__process_ksymbol util/machine.c:824 #7 0x558319f713be in perf_event__process_ksymbol util/event.c:297 #8 0x55831a10acce in machines__deliver_event util/session.c:1344 #9 0x55831a10b342 in perf_session__deliver_event util/session.c:1381 #10 0x55831a10ec96 in perf_session__process_event util/session.c:1674 #11 0x55831a116359 in process_simple util/session.c:2251 #12 0x55831a115319 in reader__read_event util/session.c:2180 #13 0x55831a115cbf in reader__process_events util/session.c:2229 #14 0x55831a116b48 in __perf_session__process_events util/session.c:2274 #15 0x55831a119c04 in perf_session__process_events util/session.c:2438 #16 0x558319a4b942 in process_buildids /usr/src/perf_selftests-x86_64-rhel-9.4-bpf-2d584688643fac90428ab12513e05d6deff7c606/tools/perf/builtin-record.c:1492 #17 0x558319a50376 in record__finish_output /usr/src/perf_selftests-x86_64-rhel-9.4-bpf-2d584688643fac90428ab12513e05d6deff7c606/tools/perf/builtin-record.c:1815 #18 0x558319a5e2f9 in __cmd_record /usr/src/perf_selftests-x86_64-rhel-9.4-bpf-2d584688643fac90428ab12513e05d6deff7c606/tools/perf/builtin-record.c:2876 #19 0x558319a6b9f4 in cmd_record /usr/src/perf_selftests-x86_64-rhel-9.4-bpf-2d584688643fac90428ab12513e05d6deff7c606/tools/perf/builtin-record.c:4350 #20 0x558319c7dc20 in run_builtin /usr/src/perf_selftests-x86_64-rhel-9.4-bpf-2d584688643fac90428ab12513e05d6deff7c606/tools/perf/perf.c:351 #21 0x558319c7e520 in handle_internal_command /usr/src/perf_selftests-x86_64-rhel-9.4-bpf-2d584688643fac90428ab12513e05d6deff7c606/tools/perf/perf.c:404 #22 0x558319c7ea76 in run_argv /usr/src/perf_selftests-x86_64-rhel-9.4-bpf-2d584688643fac90428ab12513e05d6deff7c606/tools/perf/perf.c:448 #23 0x558319c7f21d in main /usr/src/perf_selftests-x86_64-rhel-9.4-bpf-2d584688643fac90428ab12513e05d6deff7c606/tools/perf/perf.c:556 #24 0x7fa209c64ca7 (/lib/x86_64-linux-gnu/libc.so.6+0x29ca7) (BuildId: def5460e3cee00bfee25b429c97bcc4853e5b3a8) previously allocated by thread T0 here: #0 0x7fa20aec0c57 in malloc ../../../../src/libsanitizer/asan/asan_malloc_linux.cpp:69 #1 0x55831a0eb14a in map__get util/map.h:189 #2 0x55831a0f22ab in __maps__insert_sorted util/maps.c:791 #3 0x55831a0f38c0 in __maps__fixup_overlap_and_insert util/maps.c:965 #4 0x55831a0f3975 in maps__fixup_overlap_and_insert util/maps.c:975 #5 0x55831a0c92e0 in machine__process_ksymbol_register util/machine.c:756 #6 0x55831a0c9aa8 in machine__process_ksymbol util/machine.c:824 #7 0x558319f713be in perf_event__process_ksymbol util/event.c:297 #8 0x55831a10acce in machines__deliver_event util/session.c:1344 #9 0x55831a10b342 in perf_session__deliver_event util/session.c:1381 #10 0x55831a10ec96 in perf_session__process_event util/session.c:1674 #11 0x55831a116359 in process_simple util/session.c:2251 #12 0x55831a115319 in reader__read_event util/session.c:2180 #13 0x55831a115cbf in reader__process_events util/session.c:2229 #14 0x55831a116b48 in __perf_session__process_events util/session.c:2274 #15 0x55831a119c04 in perf_session__process_events util/session.c:2438 #16 0x558319a4b942 in process_buildids /usr/src/perf_selftests-x86_64-rhel-9.4-bpf-2d584688643fac90428ab12513e05d6deff7c606/tools/perf/builtin-record.c:1492 #17 0x558319a50376 in record__finish_output /usr/src/perf_selftests-x86_64-rhel-9.4-bpf-2d584688643fac90428ab12513e05d6deff7c606/tools/perf/builtin-record.c:1815 #18 0x558319a5e2f9 in __cmd_record /usr/src/perf_selftests-x86_64-rhel-9.4-bpf-2d584688643fac90428ab12513e05d6deff7c606/tools/perf/builtin-record.c:2876 #19 0x558319a6b9f4 in cmd_record /usr/src/perf_selftests-x86_64-rhel-9.4-bpf-2d584688643fac90428ab12513e05d6deff7c606/tools/perf/builtin-record.c:4350 #20 0x558319c7dc20 in run_builtin /usr/src/perf_selftests-x86_64-rhel-9.4-bpf-2d584688643fac90428ab12513e05d6deff7c606/tools/perf/perf.c:351 #21 0x558319c7e520 in handle_internal_command /usr/src/perf_selftests-x86_64-rhel-9.4-bpf-2d584688643fac90428ab12513e05d6deff7c606/tools/perf/perf.c:404 #22 0x558319c7ea76 in run_argv /usr/src/perf_selftests-x86_64-rhel-9.4-bpf-2d584688643fac90428ab12513e05d6deff7c606/tools/perf/perf.c:448 #23 0x558319c7f21d in main /usr/src/perf_selftests-x86_64-rhel-9.4-bpf-2d584688643fac90428ab12513e05d6deff7c606/tools/perf/perf.c:556 #24 0x7fa209c64ca7 (/lib/x86_64-linux-gnu/libc.so.6+0x29ca7) (BuildId: def5460e3cee00bfee25b429c97bcc4853e5b3a8) SUMMARY: AddressSanitizer: heap-use-after-free util/maps.c:423 in maps__by_name_index Shadow bytes around the buggy address: 0x502000039980: fa fa fd fa fa fa 01 fa fa fa fd fa fa fa fd fa 0x502000039a00: fa fa 00 fa fa fa 00 fa fa fa 00 fa fa fa 06 fa 0x502000039a80: fa fa fd fd fa fa 00 fa fa fa fd fa fa fa fd fa 0x502000039b00: fa fa fd fa fa fa fd fa fa fa 00 fa fa fa 00 fa 0x502000039b80: fa fa 00 04 fa fa 00 fa fa fa 00 fa fa fa fd fa =>0x502000039c00: fa fa fd fa fa fa 00 fa fa fa[fd]fa fa fa 00 fa 0x502000039c80: fa fa 00 06 fa fa 00 01 fa fa 00 01 fa fa 00 03 0x502000039d00: fa fa 00 00 fa fa 00 05 fa fa 00 03 fa fa 00 02 0x502000039d80: fa fa 00 03 fa fa 00 02 fa fa 00 01 fa fa 00 06 0x502000039e00: fa fa fd fa fa fa fd fa fa fa 00 fa fa fa 00 fa 0x502000039e80: fa fa 00 fa fa fa fd fa fa fa fd fa fa fa 00 fa Shadow byte legend (one shadow byte represents 8 application bytes): Addressable: 00 Partially addressable: 01 02 03 04 05 06 07 Heap left redzone: fa Freed heap region: fd Stack left redzone: f1 Stack mid redzone: f2 Stack right redzone: f3 Stack after return: f5 Stack use after scope: f8 Global redzone: f9 Global init order: f6 Poisoned by user: f7 Container overflow: fc Array cookie: ac Intra object redzone: bb ASan internal: fe Left alloca redzone: ca Right alloca redzone: cb ==11998==ABORTING Unexpected signal in test_file ---- end(-1) ---- 82: perf header tests : FAILED! The kernel config and materials to reproduce are available at: https://download.01.org/0day-ci/archive/20251016/202510160935.b4c10a7e-lkp@intel.com -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki