From: Oliver Sang <oliver.sang@intel.com>
To: Ian Rogers <irogers@google.com>
Cc: Thomas Richter <tmricht@linux.ibm.com>, <oe-lkp@lists.linux.dev>,
<lkp@intel.com>, Arnaldo Carvalho de Melo <acme@redhat.com>,
Sri Jayaramappa <sjayaram@akamai.com>,
Adrian Hunter <adrian.hunter@intel.com>,
"Alexander Shishkin" <alexander.shishkin@linux.intel.com>,
Guilherme Amadio <amadio@gentoo.org>,
Ingo Molnar <mingo@redhat.com>, Jiri Olsa <jolsa@kernel.org>,
Namhyung Kim <namhyung@kernel.org>,
Peter Zijlstra <peterz@infradead.org>,
<linux-perf-users@vger.kernel.org>,
<linux-kernel@vger.kernel.org>, <oliver.sang@intel.com>
Subject: Re: [linux-next:master] [perf test subcmd help] ef92c4351e: kmsg.sanitizer.indirect_leak/malloc/___interceptor_backtrace/child_test_sig_handler/raise/abort
Date: Fri, 23 Jan 2026 14:17:51 +0800 [thread overview]
Message-ID: <aXMSjyjjd2PRDpok@xsang-OptiPlex-9020> (raw)
In-Reply-To: <CAP-5=fVyGswdFrEw7=P8RGPJP+2wW3qQhzCfz1BoJ9Uvg4iKDg@mail.gmail.com>
hi, Ian Rogers,
On Wed, Jan 21, 2026 at 07:52:15AM -0800, Ian Rogers wrote:
[...]
> > #20 0x55f34aa28241 in _start perf[102f241]
>
> I believe this is resolved by:
> https://lore.kernel.org/lkml/20260121082402.2311962-1-tmricht@linux.ibm.com/
>
> > =================================================================
> > ==11710==ERROR: LeakSanitizer: detected memory leaks
> >
> > Direct leak of 30952 byte(s) in 3 object(s) allocated from:
> > #0 0x7f7688ced610 in calloc ../../../../src/libsanitizer/asan/asan_malloc_linux.cpp:77
> > #1 0x7f7688ace808 (/lib/x86_64-linux-gnu/libelf.so.1+0x3808) (BuildId: d6a40be9eadcbcb0562b7bb13bbe81166e82cc40)
> >
> > Indirect leak of 9280 byte(s) in 3 object(s) allocated from:
> > #0 0x7f7688cedc57 in malloc ../../../../src/libsanitizer/asan/asan_malloc_linux.cpp:69
> > #1 0x7f7688ad6550 (/lib/x86_64-linux-gnu/libelf.so.1+0xb550) (BuildId: d6a40be9eadcbcb0562b7bb13bbe81166e82cc40)
> >
> > Indirect leak of 1873 byte(s) in 3 object(s) allocated from:
> > #0 0x7f7688cedc57 in malloc ../../../../src/libsanitizer/asan/asan_malloc_linux.cpp:69
> > #1 0x7f7688ad73fa (/lib/x86_64-linux-gnu/libelf.so.1+0xc3fa) (BuildId: d6a40be9eadcbcb0562b7bb13bbe81166e82cc40)
> >
> > SUMMARY: AddressSanitizer: 42105 byte(s) leaked in 9 allocation(s).
> > 68.4: Exclude disjoint subcmd names : FAILED!
>
> To better diagnose these leaks could you disable the fast asan stack unwinder:
> ASAN_OPTIONS=fast_unwind_on_malloc=0
thanks a lot for guidance!
we've made the change according, now see results like below [1]
we will supply these information in future reports. thanks again!
[1]
=================================================================
==11725==ERROR: LeakSanitizer: detected memory leaks
Direct leak of 30952 byte(s) in 3 object(s) allocated from:
#0 0x7fed49fb4610 in calloc ../../../../src/libsanitizer/asan/asan_malloc_linux.cpp:77
#1 0x7fed49d95808 (/lib/x86_64-linux-gnu/libelf.so.1+0x3808) (BuildId: d6a40be9eadcbcb0562b7bb13bbe81166e82cc40)
#2 0x7fed49d965f9 (/lib/x86_64-linux-gnu/libelf.so.1+0x45f9) (BuildId: d6a40be9eadcbcb0562b7bb13bbe81166e82cc40)
#3 0x55dc6825e4f7 in symsrc__init util/symbol-elf.c:1164
#4 0x55dc67ddba50 in dso__load util/symbol.c:1795
#5 0x55dc67e6fa86 in map__load util/map.c:351
#6 0x55dc67e6fe6d in map__find_symbol util/map.c:385
#7 0x55dc67e4480a in __dump_stack util/debug.c:343
#8 0x55dc67ad0c84 in child_test_sig_handler tests/builtin-test.c:313
#9 0x7fed3fcf2def (/lib/x86_64-linux-gnu/libc.so.6+0x3fdef) (BuildId: def5460e3cee00bfee25b429c97bcc4853e5b3a8)
#10 0x7fed3fd4795b (/lib/x86_64-linux-gnu/libc.so.6+0x9495b) (BuildId: def5460e3cee00bfee25b429c97bcc4853e5b3a8)
#11 0x7fed3fcf2cc1 in gsignal (/lib/x86_64-linux-gnu/libc.so.6+0x3fcc1) (BuildId: def5460e3cee00bfee25b429c97bcc4853e5b3a8)
#12 0x7fed3fcdb4ab in abort (/lib/x86_64-linux-gnu/libc.so.6+0x284ab) (BuildId: def5460e3cee00bfee25b429c97bcc4853e5b3a8)
#13 0x7fed3fcdb41f (/lib/x86_64-linux-gnu/libc.so.6+0x2841f) (BuildId: def5460e3cee00bfee25b429c97bcc4853e5b3a8)
#14 0x55dc67a0ee6f in exclude_cmds /usr/src/perf_selftests-x86_64-rhel-9.4-bpf-ef92c4351ec75bcfb8a1cc3a88109b5339f296ef/tools/lib/subcmd/help.c:107
#15 0x55dc67bb4645 in test__exclude_cmdnames_no_overlap tests/subcmd-help.c:110
#16 0x55dc67ad14c4 in run_test_child tests/builtin-test.c:340
#17 0x55dc67a22db2 in start_command /usr/src/perf_selftests-x86_64-rhel-9.4-bpf-ef92c4351ec75bcfb8a1cc3a88109b5339f296ef/tools/lib/subcmd/run-command.c:128
#18 0x55dc67ad39a0 in start_test tests/builtin-test.c:545
#19 0x55dc67ad490c in __cmd_test tests/builtin-test.c:648
#20 0x55dc67ad72bf in cmd_test tests/builtin-test.c:850
#21 0x55dc679dca44 in run_builtin /usr/src/perf_selftests-x86_64-rhel-9.4-bpf-ef92c4351ec75bcfb8a1cc3a88109b5339f296ef/tools/perf/perf.c:349
#22 0x55dc679dd335 in handle_internal_command /usr/src/perf_selftests-x86_64-rhel-9.4-bpf-ef92c4351ec75bcfb8a1cc3a88109b5339f296ef/tools/perf/perf.c:401
#23 0x55dc679dd88b in run_argv /usr/src/perf_selftests-x86_64-rhel-9.4-bpf-ef92c4351ec75bcfb8a1cc3a88109b5339f296ef/tools/perf/perf.c:445
#24 0x55dc679de032 in main /usr/src/perf_selftests-x86_64-rhel-9.4-bpf-ef92c4351ec75bcfb8a1cc3a88109b5339f296ef/tools/perf/perf.c:553
#25 0x7fed3fcdcca7 (/lib/x86_64-linux-gnu/libc.so.6+0x29ca7) (BuildId: def5460e3cee00bfee25b429c97bcc4853e5b3a8)
#26 0x7fed3fcdcd64 in __libc_start_main (/lib/x86_64-linux-gnu/libc.so.6+0x29d64) (BuildId: def5460e3cee00bfee25b429c97bcc4853e5b3a8)
#27 0x55dc67742240 in _start (/usr/src/perf_selftests-x86_64-rhel-9.4-bpf-ef92c4351ec75bcfb8a1cc3a88109b5339f296ef/tools/perf/perf+0x102f240) (BuildId: b8c98ab0747f9f1fe41a64089a7488f7aedbc9d8)
Indirect leak of 9280 byte(s) in 3 object(s) allocated from:
#0 0x7fed49fb4c57 in malloc ../../../../src/libsanitizer/asan/asan_malloc_linux.cpp:69
#1 0x7fed49d9d550 (/lib/x86_64-linux-gnu/libelf.so.1+0xb550) (BuildId: d6a40be9eadcbcb0562b7bb13bbe81166e82cc40)
#2 0x7fed49d9e517 (/lib/x86_64-linux-gnu/libelf.so.1+0xc517) (BuildId: d6a40be9eadcbcb0562b7bb13bbe81166e82cc40)
#3 0x7fed49d9e0b1 in elf_rawdata (/lib/x86_64-linux-gnu/libelf.so.1+0xc0b1) (BuildId: d6a40be9eadcbcb0562b7bb13bbe81166e82cc40)
#4 0x55dc68254770 in elf_section_by_name util/symbol-elf.c:193
#5 0x55dc6825d641 in read_gnu_debugdata util/symbol-elf.c:1086
#6 0x55dc6825e625 in symsrc__init util/symbol-elf.c:1173
#7 0x55dc67ddba50 in dso__load util/symbol.c:1795
#8 0x55dc67e6fa86 in map__load util/map.c:351
#9 0x55dc67e6fe6d in map__find_symbol util/map.c:385
#10 0x55dc67e4480a in __dump_stack util/debug.c:343
#11 0x55dc67ad0c84 in child_test_sig_handler tests/builtin-test.c:313
#12 0x7fed3fcf2def (/lib/x86_64-linux-gnu/libc.so.6+0x3fdef) (BuildId: def5460e3cee00bfee25b429c97bcc4853e5b3a8)
#13 0x7fed3fd4795b (/lib/x86_64-linux-gnu/libc.so.6+0x9495b) (BuildId: def5460e3cee00bfee25b429c97bcc4853e5b3a8)
#14 0x7fed3fcf2cc1 in gsignal (/lib/x86_64-linux-gnu/libc.so.6+0x3fcc1) (BuildId: def5460e3cee00bfee25b429c97bcc4853e5b3a8)
#15 0x7fed3fcdb4ab in abort (/lib/x86_64-linux-gnu/libc.so.6+0x284ab) (BuildId: def5460e3cee00bfee25b429c97bcc4853e5b3a8)
#16 0x7fed3fcdb41f (/lib/x86_64-linux-gnu/libc.so.6+0x2841f) (BuildId: def5460e3cee00bfee25b429c97bcc4853e5b3a8)
#17 0x55dc67a0ee6f in exclude_cmds /usr/src/perf_selftests-x86_64-rhel-9.4-bpf-ef92c4351ec75bcfb8a1cc3a88109b5339f296ef/tools/lib/subcmd/help.c:107
#18 0x55dc67bb4645 in test__exclude_cmdnames_no_overlap tests/subcmd-help.c:110
#19 0x55dc67ad14c4 in run_test_child tests/builtin-test.c:340
#20 0x55dc67a22db2 in start_command /usr/src/perf_selftests-x86_64-rhel-9.4-bpf-ef92c4351ec75bcfb8a1cc3a88109b5339f296ef/tools/lib/subcmd/run-command.c:128
#21 0x55dc67ad39a0 in start_test tests/builtin-test.c:545
#22 0x55dc67ad490c in __cmd_test tests/builtin-test.c:648
#23 0x55dc67ad72bf in cmd_test tests/builtin-test.c:850
#24 0x55dc679dca44 in run_builtin /usr/src/perf_selftests-x86_64-rhel-9.4-bpf-ef92c4351ec75bcfb8a1cc3a88109b5339f296ef/tools/perf/perf.c:349
#25 0x55dc679dd335 in handle_internal_command /usr/src/perf_selftests-x86_64-rhel-9.4-bpf-ef92c4351ec75bcfb8a1cc3a88109b5339f296ef/tools/perf/perf.c:401
#26 0x55dc679dd88b in run_argv /usr/src/perf_selftests-x86_64-rhel-9.4-bpf-ef92c4351ec75bcfb8a1cc3a88109b5339f296ef/tools/perf/perf.c:445
#27 0x55dc679de032 in main /usr/src/perf_selftests-x86_64-rhel-9.4-bpf-ef92c4351ec75bcfb8a1cc3a88109b5339f296ef/tools/perf/perf.c:553
Indirect leak of 1873 byte(s) in 3 object(s) allocated from:
#0 0x7fed49fb4c57 in malloc ../../../../src/libsanitizer/asan/asan_malloc_linux.cpp:69
#1 0x7fed49d9e3fa (/lib/x86_64-linux-gnu/libelf.so.1+0xc3fa) (BuildId: d6a40be9eadcbcb0562b7bb13bbe81166e82cc40)
#2 0x7fed49d9e0b1 in elf_rawdata (/lib/x86_64-linux-gnu/libelf.so.1+0xc0b1) (BuildId: d6a40be9eadcbcb0562b7bb13bbe81166e82cc40)
#3 0x55dc68254770 in elf_section_by_name util/symbol-elf.c:193
#4 0x55dc6825d641 in read_gnu_debugdata util/symbol-elf.c:1086
#5 0x55dc6825e625 in symsrc__init util/symbol-elf.c:1173
#6 0x55dc67ddba50 in dso__load util/symbol.c:1795
#7 0x55dc67e6fa86 in map__load util/map.c:351
#8 0x55dc67e6fe6d in map__find_symbol util/map.c:385
#9 0x55dc67e4480a in __dump_stack util/debug.c:343
#10 0x55dc67ad0c84 in child_test_sig_handler tests/builtin-test.c:313
#11 0x7fed3fcf2def (/lib/x86_64-linux-gnu/libc.so.6+0x3fdef) (BuildId: def5460e3cee00bfee25b429c97bcc4853e5b3a8)
#12 0x7fed3fd4795b (/lib/x86_64-linux-gnu/libc.so.6+0x9495b) (BuildId: def5460e3cee00bfee25b429c97bcc4853e5b3a8)
#13 0x7fed3fcf2cc1 in gsignal (/lib/x86_64-linux-gnu/libc.so.6+0x3fcc1) (BuildId: def5460e3cee00bfee25b429c97bcc4853e5b3a8)
#14 0x7fed3fcdb4ab in abort (/lib/x86_64-linux-gnu/libc.so.6+0x284ab) (BuildId: def5460e3cee00bfee25b429c97bcc4853e5b3a8)
#15 0x7fed3fcdb41f (/lib/x86_64-linux-gnu/libc.so.6+0x2841f) (BuildId: def5460e3cee00bfee25b429c97bcc4853e5b3a8)
#16 0x55dc67a0ee6f in exclude_cmds /usr/src/perf_selftests-x86_64-rhel-9.4-bpf-ef92c4351ec75bcfb8a1cc3a88109b5339f296ef/tools/lib/subcmd/help.c:107
#17 0x55dc67bb4645 in test__exclude_cmdnames_no_overlap tests/subcmd-help.c:110
#18 0x55dc67ad14c4 in run_test_child tests/builtin-test.c:340
#19 0x55dc67a22db2 in start_command /usr/src/perf_selftests-x86_64-rhel-9.4-bpf-ef92c4351ec75bcfb8a1cc3a88109b5339f296ef/tools/lib/subcmd/run-command.c:128
#20 0x55dc67ad39a0 in start_test tests/builtin-test.c:545
#21 0x55dc67ad490c in __cmd_test tests/builtin-test.c:648
#22 0x55dc67ad72bf in cmd_test tests/builtin-test.c:850
#23 0x55dc679dca44 in run_builtin /usr/src/perf_selftests-x86_64-rhel-9.4-bpf-ef92c4351ec75bcfb8a1cc3a88109b5339f296ef/tools/perf/perf.c:349
#24 0x55dc679dd335 in handle_internal_command /usr/src/perf_selftests-x86_64-rhel-9.4-bpf-ef92c4351ec75bcfb8a1cc3a88109b5339f296ef/tools/perf/perf.c:401
#25 0x55dc679dd88b in run_argv /usr/src/perf_selftests-x86_64-rhel-9.4-bpf-ef92c4351ec75bcfb8a1cc3a88109b5339f296ef/tools/perf/perf.c:445
#26 0x55dc679de032 in main /usr/src/perf_selftests-x86_64-rhel-9.4-bpf-ef92c4351ec75bcfb8a1cc3a88109b5339f296ef/tools/perf/perf.c:553
#27 0x7fed3fcdcca7 (/lib/x86_64-linux-gnu/libc.so.6+0x29ca7) (BuildId: def5460e3cee00bfee25b429c97bcc4853e5b3a8)
SUMMARY: AddressSanitizer: 42105 byte(s) leaked in 9 allocation(s).
68.4: Exclude disjoint subcmd names : FAILED!
>
> Thanks,
> Ian
>
> > The kernel config and materials to reproduce are available at:
> > https://download.01.org/0day-ci/archive/20260120/202601201519.ce4c3ab3-lkp@intel.com
> >
> >
> >
> > --
> > 0-DAY CI Kernel Test Service
> > https://github.com/intel/lkp-tests/wiki
> >
next prev parent reply other threads:[~2026-01-23 6:18 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-01-20 7:57 kernel test robot
2026-01-21 15:52 ` Ian Rogers
2026-01-23 6:17 ` Oliver Sang [this message]
2026-01-23 16:05 ` Ian Rogers
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