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OHo8O1wSuat+ycAq24Y2MbbTYQzwxFu5ySd5S6da7iE2efqAg8SqGARIpKgm+l8hYETK4yMU9+yX92O8dwdi8Q== X-MS-Exchange-Transport-CrossTenantHeadersStamped: CH3PR11MB7843 X-OriginatorOrg: intel.com Hello, kernel test robot noticed "perf-sanity-tests.Zstd_perf.data_compression/decompression.fail" on: commit: 6bd89ae7d14788ba15e25289479addcb98e7dc26 ("perf record: Make sure to update build-ID cache") https://git.kernel.org/cgit/linux/kernel/git/namhyung/linux-perf.git perf/defer-callchain-v3 [test failed on linux-next/master b179ce312bafcb8c68dc718e015aee79b7939ff0] in testcase: perf-sanity-tests version: with following parameters: perf_compiler: gcc group: group-02 config: x86_64-rhel-9.4-bpf compiler: gcc-14 test machine: 16 threads 1 sockets Intel(R) Xeon(R) E-2278G CPU @ 3.40GHz (Coffee Lake-E) with 32G 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/202511141407.f9edcfa6-lkp@intel.com one thing we observed is the test still can pass sometimes. as below, upon 6bd89ae7d1, the tests failed 14 times out of 20 runs, but those other 6 runs really pass, the log is just same as parent, which can always pass. ========================================================================================= tbox_group/testcase/rootfs/kconfig/compiler/perf_compiler/group: lkp-cfl-e1/perf-sanity-tests/debian-13-x86_64-20250902.cgz/x86_64-rhel-9.4-bpf/gcc-14/gcc/group-02 4df43709370cc18e 6bd89ae7d14788ba15e25289479 ---------------- --------------------------- fail:runs %reproduction fail:runs | | | :20 70% 14:20 perf-sanity-tests.Zstd_perf.data_compression/decompression.fail 2025-11-13 09:14:20 sudo /usr/src/linux-perf-x86_64-rhel-9.4-bpf-6bd89ae7d14788ba15e25289479addcb98e7dc26/tools/perf/perf test 89 -v 89: Zstd perf.data compression/decompression : Running (1 active) --- start --- test child forked, pid 13474 Collecting compressed record file: 500+0 records in 500+0 records out 256000 bytes (256 kB, 250 KiB) copied, 0.0023166 s, 111 MB/s [ perf record: Woken up 1 times to write data ] ================================================================= ==13482==ERROR: AddressSanitizer: heap-use-after-free on address 0x50200003ddf0 at pc 0x557d1757c895 bp 0x7ffd3008e670 sp 0x7ffd3008e668 READ of size 8 at 0x50200003ddf0 thread T0 #0 0x557d1757c894 in maps__by_name_index util/maps.c:423 #1 0x557d1757d476 in __maps__remove util/maps.c:535 #2 0x557d1758107c in __maps__fixup_overlap_and_insert util/maps.c:956 #3 0x557d175811a8 in maps__fixup_overlap_and_insert util/maps.c:975 #4 0x557d175568a7 in machine__process_ksymbol_register util/machine.c:756 #5 0x557d1755706f in machine__process_ksymbol util/machine.c:824 #6 0x557d173f2ceb in perf_event__process_ksymbol util/event.c:301 #7 0x557d175986f4 in machines__deliver_event util/session.c:1349 #8 0x557d17598d60 in perf_session__deliver_event util/session.c:1386 #9 0x557d1759c7a4 in perf_session__process_event util/session.c:1682 #10 0x557d175a3e5f in process_simple util/session.c:2259 #11 0x557d175a2e1f in reader__read_event util/session.c:2188 #12 0x557d175a37c5 in reader__process_events util/session.c:2237 #13 0x557d175a464e in __perf_session__process_events util/session.c:2282 #14 0x557d175a770a in perf_session__process_events util/session.c:2446 #15 0x557d16eb78e5 in process_buildids /usr/src/perf_selftests-x86_64-rhel-9.4-bpf-6bd89ae7d14788ba15e25289479addcb98e7dc26/tools/perf/builtin-record.c:1570 #16 0x557d16ebc3ad in record__finish_output /usr/src/perf_selftests-x86_64-rhel-9.4-bpf-6bd89ae7d14788ba15e25289479addcb98e7dc26/tools/perf/builtin-record.c:1894 #17 0x557d16eca47c in __cmd_record /usr/src/perf_selftests-x86_64-rhel-9.4-bpf-6bd89ae7d14788ba15e25289479addcb98e7dc26/tools/perf/builtin-record.c:2966 #18 0x557d16ed804c in cmd_record /usr/src/perf_selftests-x86_64-rhel-9.4-bpf-6bd89ae7d14788ba15e25289479addcb98e7dc26/tools/perf/builtin-record.c:4453 #19 0x557d170e9a83 in run_builtin /usr/src/perf_selftests-x86_64-rhel-9.4-bpf-6bd89ae7d14788ba15e25289479addcb98e7dc26/tools/perf/perf.c:349 #20 0x557d170ea374 in handle_internal_command /usr/src/perf_selftests-x86_64-rhel-9.4-bpf-6bd89ae7d14788ba15e25289479addcb98e7dc26/tools/perf/perf.c:401 #21 0x557d170ea8ca in run_argv /usr/src/perf_selftests-x86_64-rhel-9.4-bpf-6bd89ae7d14788ba15e25289479addcb98e7dc26/tools/perf/perf.c:445 #22 0x557d170eb071 in main /usr/src/perf_selftests-x86_64-rhel-9.4-bpf-6bd89ae7d14788ba15e25289479addcb98e7dc26/tools/perf/perf.c:553 #23 0x7f986fa0cca7 (/lib/x86_64-linux-gnu/libc.so.6+0x29ca7) (BuildId: def5460e3cee00bfee25b429c97bcc4853e5b3a8) #24 0x7f986fa0cd64 in __libc_start_main (/lib/x86_64-linux-gnu/libc.so.6+0x29d64) (BuildId: def5460e3cee00bfee25b429c97bcc4853e5b3a8) #25 0x557d16e55250 in _start (/usr/src/perf_selftests-x86_64-rhel-9.4-bpf-6bd89ae7d14788ba15e25289479addcb98e7dc26/tools/perf/perf+0x1010250) (BuildId: dcac6dff4df47b4588a4b1759f9412523bee60ca) 0x50200003ddf0 is located 0 bytes inside of 8-byte region [0x50200003ddf0,0x50200003ddf8) freed by thread T0 here: #0 0x7f9879ce38f8 in free ../../../../src/libsanitizer/asan/asan_malloc_linux.cpp:52 #1 0x557d1757545f in map__put util/map.c:312 #2 0x557d1757d37b in __maps__remove util/maps.c:529 #3 0x557d1758107c in __maps__fixup_overlap_and_insert util/maps.c:956 #4 0x557d175811a8 in maps__fixup_overlap_and_insert util/maps.c:975 #5 0x557d175568a7 in machine__process_ksymbol_register util/machine.c:756 #6 0x557d1755706f in machine__process_ksymbol util/machine.c:824 #7 0x557d173f2ceb in perf_event__process_ksymbol util/event.c:301 #8 0x557d175986f4 in machines__deliver_event util/session.c:1349 #9 0x557d17598d60 in perf_session__deliver_event util/session.c:1386 #10 0x557d1759c7a4 in perf_session__process_event util/session.c:1682 #11 0x557d175a3e5f in process_simple util/session.c:2259 #12 0x557d175a2e1f in reader__read_event util/session.c:2188 #13 0x557d175a37c5 in reader__process_events util/session.c:2237 #14 0x557d175a464e in __perf_session__process_events util/session.c:2282 #15 0x557d175a770a in perf_session__process_events util/session.c:2446 #16 0x557d16eb78e5 in process_buildids /usr/src/perf_selftests-x86_64-rhel-9.4-bpf-6bd89ae7d14788ba15e25289479addcb98e7dc26/tools/perf/builtin-record.c:1570 #17 0x557d16ebc3ad in record__finish_output /usr/src/perf_selftests-x86_64-rhel-9.4-bpf-6bd89ae7d14788ba15e25289479addcb98e7dc26/tools/perf/builtin-record.c:1894 #18 0x557d16eca47c in __cmd_record /usr/src/perf_selftests-x86_64-rhel-9.4-bpf-6bd89ae7d14788ba15e25289479addcb98e7dc26/tools/perf/builtin-record.c:2966 #19 0x557d16ed804c in cmd_record /usr/src/perf_selftests-x86_64-rhel-9.4-bpf-6bd89ae7d14788ba15e25289479addcb98e7dc26/tools/perf/builtin-record.c:4453 #20 0x557d170e9a83 in run_builtin /usr/src/perf_selftests-x86_64-rhel-9.4-bpf-6bd89ae7d14788ba15e25289479addcb98e7dc26/tools/perf/perf.c:349 #21 0x557d170ea374 in handle_internal_command /usr/src/perf_selftests-x86_64-rhel-9.4-bpf-6bd89ae7d14788ba15e25289479addcb98e7dc26/tools/perf/perf.c:401 #22 0x557d170ea8ca in run_argv /usr/src/perf_selftests-x86_64-rhel-9.4-bpf-6bd89ae7d14788ba15e25289479addcb98e7dc26/tools/perf/perf.c:445 #23 0x557d170eb071 in main /usr/src/perf_selftests-x86_64-rhel-9.4-bpf-6bd89ae7d14788ba15e25289479addcb98e7dc26/tools/perf/perf.c:553 #24 0x7f986fa0cca7 (/lib/x86_64-linux-gnu/libc.so.6+0x29ca7) (BuildId: def5460e3cee00bfee25b429c97bcc4853e5b3a8) previously allocated by thread T0 here: #0 0x7f9879ce4c57 in malloc ../../../../src/libsanitizer/asan/asan_malloc_linux.cpp:69 #1 0x557d1757894e in map__get util/map.h:188 #2 0x557d1757faaf in __maps__insert_sorted util/maps.c:790 #3 0x557d175810f3 in __maps__fixup_overlap_and_insert util/maps.c:965 #4 0x557d175811a8 in maps__fixup_overlap_and_insert util/maps.c:975 #5 0x557d175568a7 in machine__process_ksymbol_register util/machine.c:756 #6 0x557d1755706f in machine__process_ksymbol util/machine.c:824 #7 0x557d173f2ceb in perf_event__process_ksymbol util/event.c:301 #8 0x557d175986f4 in machines__deliver_event util/session.c:1349 #9 0x557d17598d60 in perf_session__deliver_event util/session.c:1386 #10 0x557d1759c7a4 in perf_session__process_event util/session.c:1682 #11 0x557d175a3e5f in process_simple util/session.c:2259 #12 0x557d175a2e1f in reader__read_event util/session.c:2188 #13 0x557d175a37c5 in reader__process_events util/session.c:2237 #14 0x557d175a464e in __perf_session__process_events util/session.c:2282 #15 0x557d175a770a in perf_session__process_events util/session.c:2446 #16 0x557d16eb78e5 in process_buildids /usr/src/perf_selftests-x86_64-rhel-9.4-bpf-6bd89ae7d14788ba15e25289479addcb98e7dc26/tools/perf/builtin-record.c:1570 #17 0x557d16ebc3ad in record__finish_output /usr/src/perf_selftests-x86_64-rhel-9.4-bpf-6bd89ae7d14788ba15e25289479addcb98e7dc26/tools/perf/builtin-record.c:1894 #18 0x557d16eca47c in __cmd_record /usr/src/perf_selftests-x86_64-rhel-9.4-bpf-6bd89ae7d14788ba15e25289479addcb98e7dc26/tools/perf/builtin-record.c:2966 #19 0x557d16ed804c in cmd_record /usr/src/perf_selftests-x86_64-rhel-9.4-bpf-6bd89ae7d14788ba15e25289479addcb98e7dc26/tools/perf/builtin-record.c:4453 #20 0x557d170e9a83 in run_builtin /usr/src/perf_selftests-x86_64-rhel-9.4-bpf-6bd89ae7d14788ba15e25289479addcb98e7dc26/tools/perf/perf.c:349 #21 0x557d170ea374 in handle_internal_command /usr/src/perf_selftests-x86_64-rhel-9.4-bpf-6bd89ae7d14788ba15e25289479addcb98e7dc26/tools/perf/perf.c:401 #22 0x557d170ea8ca in run_argv /usr/src/perf_selftests-x86_64-rhel-9.4-bpf-6bd89ae7d14788ba15e25289479addcb98e7dc26/tools/perf/perf.c:445 #23 0x557d170eb071 in main /usr/src/perf_selftests-x86_64-rhel-9.4-bpf-6bd89ae7d14788ba15e25289479addcb98e7dc26/tools/perf/perf.c:553 #24 0x7f986fa0cca7 (/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: 0x50200003db00: fa fa 00 fa fa fa fd fa fa fa 00 07 fa fa 00 fa 0x50200003db80: fa fa fd fa fa fa 00 fa fa fa fd fa fa fa 00 01 0x50200003dc00: fa fa 00 fa fa fa fd fd fa fa 00 fa fa fa fd fa 0x50200003dc80: fa fa fd fa fa fa fd fa fa fa fd fa fa fa 00 fa 0x50200003dd00: fa fa 00 fa fa fa 00 04 fa fa 00 fa fa fa 00 fa =>0x50200003dd80: fa fa fd fa fa fa fd fa fa fa 00 fa fa fa[fd]fa 0x50200003de00: fa fa 00 fa fa fa 00 06 fa fa 00 01 fa fa 00 01 0x50200003de80: fa fa 00 03 fa fa 00 00 fa fa 00 05 fa fa 00 03 0x50200003df00: fa fa 00 02 fa fa 00 03 fa fa 00 02 fa fa 00 01 0x50200003df80: fa fa 00 06 fa fa fd fa fa fa fd fa fa fa 00 fa 0x50200003e000: fa fa 00 fa fa fa 00 fa fa fa fd fa fa fa fd 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 ==13482==ABORTING ---- end(-1) ---- 89: Zstd perf.data compression/decompression : FAILED! The kernel config and materials to reproduce are available at: https://download.01.org/0day-ci/archive/20251114/202511141407.f9edcfa6-lkp@intel.com -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki