Result of trunk_asan@ruby-sp1 at 2025-08-01 20:39:28 +0900

• NG (1064c63643)[LOG]
• test-all:
• test-spec: 3338 files, 33611 examples, 132689 expectations, 0 failures, 0 errors, 0 tagged
• commands:

  "make update-download -j16" exit with 0.
  "make update-src      -j16" exit with 0.
  "make after-update    -j16" exit with 0.
  "make miniruby -j16" exit with 0.
  "make ruby -j16" exit with 0.
  "make all -j16" exit with 0.
  "make install -j16" exit with 0.
  "make yes-test-basic TESTS='-j16'" exit with 0.
  "make yes-test-all TESTOPTS='--stderr-on-failure' TESTS='-j16'" exit with 512.
  =================================================================
  ==3978923==ERROR: AddressSanitizer: use-after-poison on address 0x74c55c48b3e0 at pc 0x5d9ba7d3da31 bp 0x7fff5ecbc950 sp 0x7fff5ecbc948
  READ of size 8 at 0x74c55c48b3e0 thread T0
      #0 0x5d9ba7d3da30 in RB_BUILTIN_TYPE /tmp/ruby/src/trunk_asan/include/ruby/internal/value_type.h:191:30
      #1 0x5d9ba7d3da30 in moved_or_living_object_strictly_p /tmp/ruby/src/trunk_asan/imemo.c:276:76
      #2 0x5d9ba7d3da30 in rb_imemo_mark_and_move /tmp/ruby/src/trunk_asan/imemo.c:356:17
      #3 0x5d9ba7cf836c in rb_gc_update_object_references /tmp/ruby/src/trunk_asan/gc.c:4078:9
      #4 0x5d9ba7cf836c in gc_ref_update /tmp/ruby/src/trunk_asan/gc/default/default.c
      #5 0x5d9ba7cf836c in gc_update_references /tmp/ruby/src/trunk_asan/gc/default/default.c:7083:13
      #6 0x5d9ba7cf836c in gc_compact_finish /tmp/ruby/src/trunk_asan/gc/default/default.c:3414:5
      #7 0x5d9ba7cefea0 in gc_sweep_compact /tmp/ruby/src/trunk_asan/gc/default/default.c:5619:5
      #8 0x5d9ba7cefea0 in gc_sweep /tmp/ruby/src/trunk_asan/gc/default/default.c:4073:9
      #9 0x5d9ba7d0cdfb in gc_start /tmp/ruby/src/trunk_asan/gc/default/default.c:6426:13
      #10 0x5d9ba7d0e613 in garbage_collect /tmp/ruby/src/trunk_asan/gc/default/default.c:6307:15
      #11 0x5d9ba7ceb174 in newobj_slowpath /tmp/ruby/src/trunk_asan/gc/default/default.c:2432:22
      #12 0x5d9ba7ceb174 in newobj_slowpath_wb_protected /tmp/ruby/src/trunk_asan/gc/default/default.c:2454:12
      #13 0x5d9ba7cd30e6 in rb_gc_impl_new_obj /tmp/ruby/src/trunk_asan/gc/default/default.c:2491:11
      #14 0x5d9ba7cd30e6 in newobj_of /tmp/ruby/src/trunk_asan/gc.c:991:17
      #15 0x5d9ba7cd376d in rb_wb_protected_newobj_of /tmp/ruby/src/trunk_asan/gc.c:1029:12
      #16 0x5d9ba7f6eb9d in ec_str_alloc_embed /tmp/ruby/src/trunk_asan/string.c:1863:5
      #17 0x5d9ba7f6eb9d in rb_ec_str_resurrect /tmp/ruby/src/trunk_asan/string.c:1987:19
      #18 0x5d9ba8070c50 in vm_exec_core /tmp/ruby/build/trunk_asan/../../src/trunk_asan/insns.def:378:11
      #19 0x5d9ba8065fb6 in rb_vm_exec /tmp/ruby/src/trunk_asan/vm.c:2621:22
      #20 0x5d9ba80f59e1 in invoke_iseq_block_from_c /tmp/ruby/src/trunk_asan/vm.c:1651:12
      #21 0x5d9ba80f59e1 in invoke_block_from_c_bh /tmp/ruby/src/trunk_asan/vm.c:1665:20
      #22 0x5d9ba8097637 in vm_yield_with_cref /tmp/ruby/src/trunk_asan/vm.c:1702:12
      #23 0x5d9ba8097637 in vm_yield /tmp/ruby/src/trunk_asan/vm.c:1710:12
      #24 0x5d9ba8097637 in rb_yield_0 /tmp/ruby/src/trunk_asan/vm_eval.c:1362:12
      #25 0x5d9ba8097637 in rb_yield /tmp/ruby/src/trunk_asan/vm_eval.c
      #26 0x5d9ba825bb82 in rb_ary_collect /tmp/ruby/src/trunk_asan/array.c:3654:30
      #27 0x5d9ba80d5597 in vm_call_cfunc_with_frame_ /tmp/ruby/src/trunk_asan/vm_insnhelper.c:3851:11
      #28 0x5d9ba8071ea9 in vm_sendish /tmp/ruby/src/trunk_asan/vm_insnhelper.c:6058:15
      #29 0x5d9ba8071ea9 in vm_exec_core /tmp/ruby/build/trunk_asan/../../src/trunk_asan/insns.def:851:11
      #30 0x5d9ba80663aa in vm_exec_loop /tmp/ruby/src/trunk_asan/vm.c:2648:22
      #31 0x5d9ba80663aa in rb_vm_exec /tmp/ruby/src/trunk_asan/vm.c:2627:18
      #32 0x5d9ba80f59e1 in invoke_iseq_block_from_c /tmp/ruby/src/trunk_asan/vm.c:1651:12
      #33 0x5d9ba80f59e1 in invoke_block_from_c_bh /tmp/ruby/src/trunk_asan/vm.c:1665:20
      #34 0x5d9ba8097637 in vm_yield_with_cref /tmp/ruby/src/trunk_asan/vm.c:1702:12
      #35 0x5d9ba8097637 in vm_yield /tmp/ruby/src/trunk_asan/vm.c:1710:12
      #36 0x5d9ba8097637 in rb_yield_0 /tmp/ruby/src/trunk_asan/vm_eval.c:1362:12
      #37 0x5d9ba8097637 in rb_yield /tmp/ruby/src/trunk_asan/vm_eval.c
      #38 0x5d9ba825bb82 in rb_ary_collect /tmp/ruby/src/trunk_asan/array.c:3654:30
      #39 0x5d9ba80d5597 in vm_call_cfunc_with_frame_ /tmp/ruby/src/trunk_asan/vm_insnhelper.c:3851:11
      #40 0x5d9ba8071ea9 in vm_sendish /tmp/ruby/src/trunk_asan/vm_insnhelper.c:6058:15
      #41 0x5d9ba8071ea9 in vm_exec_core /tmp/ruby/build/trunk_asan/../../src/trunk_asan/insns.def:851:11
      #42 0x5d9ba80663aa in vm_exec_loop /tmp/ruby/src/trunk_asan/vm.c:2648:22
      #43 0x5d9ba80663aa in rb_vm_exec /tmp/ruby/src/trunk_asan/vm.c:2627:18
      #44 0x5d9ba80ae437 in rb_iseq_eval_main /tmp/ruby/src/trunk_asan/vm.c:2901:11
      #45 0x5d9ba7ca5cc9 in rb_ec_exec_node /tmp/ruby/src/trunk_asan/eval.c:282:9
      #46 0x5d9ba7ca5cc9 in ruby_run_node /tmp/ruby/src/trunk_asan/eval.c:320:30
      #47 0x5d9ba7c9ec36 in rb_main /tmp/ruby/src/trunk_asan/main.c:42:12
      #48 0x5d9ba7c9ec36 in main /tmp/ruby/src/trunk_asan/main.c:62:12
      #49 0x74c57bc2a1c9 in __libc_start_call_main csu/../sysdeps/nptl/libc_start_call_main.h:58:16
      #50 0x74c57bc2a28a in __libc_start_main csu/../csu/libc-start.c:360:3
      #51 0x5d9ba7bc2a04 in _start (/tmp/ruby/build/trunk_asan/ruby+0x16ba04) (BuildId: dac31f0f3619cdb4f2167e121d6f62b404df9f90)
  Address 0x74c55c48b3e0 is a wild pointer inside of access range of size 0x000000000008.
  SUMMARY: AddressSanitizer: use-after-poison /tmp/ruby/src/trunk_asan/include/ruby/internal/value_type.h:191:30 in RB_BUILTIN_TYPE
  Shadow bytes around the buggy address:
    0x74c55c48b100: f7 f7 f7 f7 f7 f7 f7 f7 f7 f7 f7 f7 f7 f7 f7 f7
    0x74c55c48b180: f7 f7 f7 f7 f7 f7 f7 f7 f7 f7 f7 f7 f7 f7 f7 f7
    0x74c55c48b200: f7 f7 f7 f7 f7 f7 f7 f7 f7 f7 00 00 00 00 00 00
    0x74c55c48b280: 00 00 00 00 f7 f7 f7 f7 f7 f7 f7 f7 f7 f7 f7 f7
    0x74c55c48b300: f7 f7 f7 00 00 00 00 00 f7 f7 f7 f7 f7 f7 f7 f7
  =>0x74c55c48b380: f7 f7 f7 f7 f7 f7 f7 00 00 00 00 00[f7]f7 f7 f7
    0x74c55c48b400: f7 f7 f7 f7 f7 f7 f7 f7 f7 f7 f7 f7 f7 f7 f7 f7
    0x74c55c48b480: f7 f7 f7 f7 f7 f7 f7 f7 f7 f7 f7 f7 f7 f7 f7 f7
    0x74c55c48b500: f7 f7 f7 f7 f7 f7 f7 f7 f7 f7 f7 f7 f7 f7 00 00
    0x74c55c48b580: 00 00 00 f7 f7 f7 f7 f7 f7 f7 f7 f7 f7 f7 f7 f7
    0x74c55c48b600: f7 f7 00 00 00 00 00 f7 f7 f7 f7 f7 f7 f7 f7 f7
  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
  ==3978923==ABORTING
  /tmp/ruby/src/trunk_asan/test/ruby/test_string.rb:1682: [BUG] ASAN error
  ruby 3.5.0dev (2025-08-01T10:39:14Z master 1064c63643) +PRISM [x86_64-linux]
  -- Control frame information -----------------------------------------------
  c:0017 p:0003 s:0111 e:000109 BLOCK  /tmp/ruby/src/trunk_asan/test/ruby/test_string.rb:1682
  c:0016 p:0024 s:0107 e:000106 METHOD /tmp/ruby/src/trunk_asan/tool/lib/envutil.rb:318
  c:0015 p:0046 s:0102 e:000101 METHOD /tmp/ruby/src/trunk_asan/tool/lib/envutil.rb:332
  c:0014 p:0019 s:0095 e:000094 METHOD /tmp/ruby/src/trunk_asan/test/ruby/test_string.rb:1682
  c:0013 p:0037 s:0091 e:000090 METHOD /tmp/ruby/src/trunk_asan/tool/lib/test/unit/testcase.rb:202
  c:0012 p:0052 s:0085 e:000084 METHOD /tmp/ruby/src/trunk_asan/tool/lib/test/unit/testcase.rb:170
  c:0011 p:0093 s:0076 e:000075 BLOCK  /tmp/ruby/src/trunk_asan/tool/lib/test/unit.rb:1683 [FINISH]
  c:0010 p:---- s:0069 e:000068 CFUNC  :map
  c:0009 p:0114 s:0065 e:000064 METHOD /tmp/ruby/src/trunk_asan/tool/lib/test/unit.rb:1670
  c:0008 p:0035 s:0053 e:000052 METHOD /tmp/ruby/src/trunk_asan/tool/lib/test/unit.rb:1374
  c:0007 p:0069 s:0046 E:001520 METHOD /tmp/ruby/src/trunk_asan/tool/lib/test/unit/parallel.rb:52
  c:0006 p:0007 s:0030 e:000029 BLOCK  /tmp/ruby/src/trunk_asan/tool/lib/test/unit/parallel.rb:24 [FINISH]
  c:0005 p:---- s:0026 e:000025 CFUNC  :map
  c:0004 p:0005 s:0022 e:000021 METHOD /tmp/ruby/src/trunk_asan/tool/lib/test/unit/parallel.rb:23
  c:0003 p:0210 s:0016 e:000015 METHOD /tmp/ruby/src/trunk_asan/tool/lib/test/unit/parallel.rb:122
  c:0002 p:0062 s:0006 e:000005 EVAL   /tmp/ruby/src/trunk_asan/tool/lib/test/unit/parallel.rb:220 [FINISH]
  c:0001 p:0000 s:0003 E:001d80 DUMMY  [FINISH]
  -- Ruby level backtrace information ----------------------------------------
  /tmp/ruby/src/trunk_asan/tool/lib/test/unit/parallel.rb:220:in '<main>'
  /tmp/ruby/src/trunk_asan/tool/lib/test/unit/parallel.rb:122:in 'run'
  /tmp/ruby/src/trunk_asan/tool/lib/test/unit/parallel.rb:23:in '_run_suites'
  /tmp/ruby/src/trunk_asan/tool/lib/test/unit/parallel.rb:23:in 'map'
  /tmp/ruby/src/trunk_asan/tool/lib/test/unit/parallel.rb:24:in 'block in _run_suites'
  /tmp/ruby/src/trunk_asan/tool/lib/test/unit/parallel.rb:52:in '_run_suite'
  /tmp/ruby/src/trunk_asan/tool/lib/test/unit.rb:1374:in '_run_suite'
  /tmp/ruby/src/trunk_asan/tool/lib/test/unit.rb:1670:in '_run_suite'
  /tmp/ruby/src/trunk_asan/tool/lib/test/unit.rb:1670:in 'map'
  /tmp/ruby/src/trunk_asan/tool/lib/test/unit.rb:1683:in 'block in _run_suite'
  /tmp/ruby/src/trunk_asan/tool/lib/test/unit/testcase.rb:170:in 'run'
  /tmp/ruby/src/trunk_asan/tool/lib/test/unit/testcase.rb:202:in 'run_test'
  /tmp/ruby/src/trunk_asan/test/ruby/test_string.rb:1682:in 'test_scan_gc_compact_stress'
  /tmp/ruby/src/trunk_asan/tool/lib/envutil.rb:332:in 'under_gc_compact_stress'
  /tmp/ruby/src/trunk_asan/tool/lib/envutil.rb:318:in 'under_gc_stress'
  /tmp/ruby/src/trunk_asan/test/ruby/test_string.rb:1682:in 'block in test_scan_gc_compact_stress'
  -- Threading information ---------------------------------------------------
  Total ractor count: 1
  Ruby thread count for this ractor: 2
  -- C level backtrace information -------------------------------------------
  /tmp/ruby/src/trunk_asan/tool/lib/test/unit/parallel.rb: TestString2#test_scan_gc_compact_stress(___interceptor_backtrace) [0x5d9ba7c08de9]
  /tmp/ruby/build/trunk_asan/ruby(rb_print_backtrace+0x14) [0x5d9ba8559198] /tmp/ruby/src/trunk_asan/vm_dump.c:843
  /tmp/ruby/build/trunk_asan/ruby(rb_vm_bugreport) /tmp/ruby/src/trunk_asan/vm_dump.c:1175
  /tmp/ruby/build/trunk_asan/ruby(rb_bug_without_die_internal+0x2c5) [0x5d9ba849e5a5] /tmp/ruby/src/trunk_asan/error.c:1097
  /tmp/ruby/build/trunk_asan/ruby(rb_bug_without_die+0x12c) [0x5d9ba849e23c] /tmp/ruby/src/trunk_asan/error.c:1106
  /tmp/ruby/src/trunk_asan/tool/lib/test/unit/parallel.rb: TestString2#test_scan_gc_compact_stress(0x5d9ba7c8530a) [0x5d9ba7c8530a]
  /tmp/ruby/src/trunk_asan/tool/lib/test/unit/parallel.rb: TestString2#test_scan_gc_compact_stress(0x5d9ba7c65d8f) [0x5d9ba7c65d8f]
  /tmp/ruby/src/trunk_asan/tool/lib/test/unit/parallel.rb: TestString2#test_scan_gc_compact_stress(0x5d9ba7c68e1d) [0x5d9ba7c68e1d]
  /tmp/ruby/src/trunk_asan/tool/lib/test/unit/parallel.rb: TestString2#test_scan_gc_compact_stress(__asan_report_load8) [0x5d9ba7c69b7c]
  /tmp/ruby/build/trunk_asan/ruby(mark_and_move_method_entry+0x0) [0x5d9ba7d3da31] /tmp/ruby/src/trunk_asan/include/ruby/internal/value_type.h:191
  /tmp/ruby/build/trunk_asan/ruby(rb_imemo_mark_and_move) /tmp/ruby/src/trunk_asan/imemo.c:443
  /tmp/ruby/build/trunk_asan/ruby(gc_compact_finish+0x12bd) [0x5d9ba7cf836d] /tmp/ruby/src/trunk_asan/gc.c:4078
  /tmp/ruby/build/trunk_asan/ruby(gc_sweep+0x1ac1) [0x5d9ba7cefea1] /tmp/ruby/src/trunk_asan/gc/default/default.c:5619
  /tmp/ruby/build/trunk_asan/ruby(gc_start+0x2a9c) [0x5d9ba7d0cdfc] /tmp/ruby/src/trunk_asan/gc/default/default.c:6426
  /tmp/ruby/build/trunk_asan/ruby(garbage_collect+0x134) [0x5d9ba7d0e614] /tmp/ruby/src/trunk_asan/gc/default/default.c:6307
  /tmp/ruby/build/trunk_asan/ruby(newobj_slowpath_wb_protected+0x635) [0x5d9ba7ceb175] /tmp/ruby/src/trunk_asan/gc/default/default.c:2432
  /tmp/ruby/build/trunk_asan/ruby(newobj_of+0x2f7) [0x5d9ba7cd30e7] /tmp/ruby/src/trunk_asan/gc/default/default.c:2491
  /tmp/ruby/build/trunk_asan/ruby(rb_wb_protected_newobj_of+0x4e) [0x5d9ba7cd376e] /tmp/ruby/src/trunk_asan/gc.c:1029
  /tmp/ruby/build/trunk_asan/ruby(RB_FL_TEST_RAW+0x0) [0x5d9ba7f6eb9e] /tmp/ruby/src/trunk_asan/string.c:1863
  /tmp/ruby/build/trunk_asan/ruby(str_duplicate_setup_embed) /tmp/ruby/src/trunk_asan/string.c:1896
  /tmp/ruby/build/trunk_asan/ruby(rb_ec_str_resurrect) /tmp/ruby/src/trunk_asan/string.c:1988
  /tmp/ruby/build/trunk_asan/ruby(vm_exec_core+0x71f1) [0x5d9ba8070c51] ../../src/trunk_asan/insns.def:378
  /tmp/ruby/build/trunk_asan/ruby(rb_vm_exec+0x4e7) [0x5d9ba8065fb7] /tmp/ruby/src/trunk_asan/vm.c:2621
  /tmp/ruby/build/trunk_asan/ruby(invoke_iseq_block_from_c+0x701) [0x5d9ba80f59e2] /tmp/ruby/src/trunk_asan/vm.c:1651
  /tmp/ruby/build/trunk_asan/ruby(invoke_block_from_c_bh) /tmp/ruby/src/trunk_asan/vm.c:1665
  /tmp/ruby/build/trunk_asan/ruby(vm_yield_with_cref+0x11) [0x5d9ba8097638] /tmp/ruby/src/trunk_asan/vm.c:1702
  /tmp/ruby/build/trunk_asan/ruby(vm_yield) /tmp/ruby/src/trunk_asan/vm.c:1710
  /tmp/ruby/build/trunk_asan/ruby(rb_yield_0) /tmp/ruby/src/trunk_asan/vm_eval.c:1362
  /tmp/ruby/build/trunk_asan/ruby(rb_yield) /tmp/ruby/src/trunk_asan/vm_eval.c:0
  /tmp/ruby/build/trunk_asan/ruby(rb_ary_collect+0x183) [0x5d9ba825bb83] /tmp/ruby/src/trunk_asan/array.c:3654
  /tmp/ruby/build/trunk_asan/ruby(vm_cfp_consistent_p+0x0) [0x5d9ba80d5598] /tmp/ruby/src/trunk_asan/vm_insnhelper.c:3851
  /tmp/ruby/build/trunk_asan/ruby(vm_call_cfunc_with_frame_) /tmp/ruby/src/trunk_asan/vm_insnhelper.c:3853
  /tmp/ruby/build/trunk_asan/ruby(vm_sendish+0x149) [0x5d9ba8071eaa] /tmp/ruby/src/trunk_asan/vm_insnhelper.c:6058
  /tmp/ruby/build/trunk_asan/ruby(vm_exec_core) ../../src/trunk_asan/insns.def:851
  /tmp/ruby/build/trunk_asan/ruby(vm_exec_loop+0x198) [0x5d9ba80663ab] /tmp/ruby/src/trunk_asan/vm.c:2648
  /tmp/ruby/build/trunk_asan/ruby(rb_vm_exec) /tmp/ruby/src/trunk_asan/vm.c:2627
  /tmp/ruby/build/trunk_asan/ruby(invoke_iseq_block_from_c+0x701) [0x5d9ba80f59e2] /tmp/ruby/src/trunk_asan/vm.c:1651
  /tmp/ruby/build/trunk_asan/ruby(invoke_block_from_c_bh) /tmp/ruby/src/trunk_asan/vm.c:1665
  /tmp/ruby/build/trunk_asan/ruby(vm_yield_with_cref+0x11) [0x5d9ba8097638] /tmp/ruby/src/trunk_asan/vm.c:1702
  /tmp/ruby/build/trunk_asan/ruby(vm_yield) /tmp/ruby/src/trunk_asan/vm.c:1710
  /tmp/ruby/build/trunk_asan/ruby(rb_yield_0) /tmp/ruby/src/trunk_asan/vm_eval.c:1362
  /tmp/ruby/build/trunk_asan/ruby(rb_yield) /tmp/ruby/src/trunk_asan/vm_eval.c:0
  /tmp/ruby/build/trunk_asan/ruby(rb_ary_collect+0x183) [0x5d9ba825bb83] /tmp/ruby/src/trunk_asan/array.c:3654
  /tmp/ruby/build/trunk_asan/ruby(vm_cfp_consistent_p+0x0) [0x5d9ba80d5598] /tmp/ruby/src/trunk_asan/vm_insnhelper.c:3851
  /tmp/ruby/build/trunk_asan/ruby(vm_call_cfunc_with_frame_) /tmp/ruby/src/trunk_asan/vm_insnhelper.c:3853
  /tmp/ruby/build/trunk_asan/ruby(vm_sendish+0x149) [0x5d9ba8071eaa] /tmp/ruby/src/trunk_asan/vm_insnhelper.c:6058
  /tmp/ruby/build/trunk_asan/ruby(vm_exec_core) ../../src/trunk_asan/insns.def:851
  /tmp/ruby/build/trunk_asan/ruby(vm_exec_loop+0x198) [0x5d9ba80663ab] /tmp/ruby/src/trunk_asan/vm.c:2648
  /tmp/ruby/build/trunk_asan/ruby(rb_vm_exec) /tmp/ruby/src/trunk_asan/vm.c:2627
  /tmp/ruby/build/trunk_asan/ruby(rb_iseq_eval_main+0x298) [0x5d9ba80ae438] /tmp/ruby/src/trunk_asan/vm.c:2901
  /tmp/ruby/build/trunk_asan/ruby(rb_ec_exec_node+0x142) [0x5d9ba7ca5cca] /tmp/ruby/src/trunk_asan/eval.c:282
  /tmp/ruby/build/trunk_asan/ruby(ruby_run_node) /tmp/ruby/src/trunk_asan/eval.c:320
  /tmp/ruby/build/trunk_asan/ruby(rb_main+0x25) [0x5d9ba7c9ec37] /tmp/ruby/src/trunk_asan/main.c:42
  /tmp/ruby/build/trunk_asan/ruby(main) /tmp/ruby/src/trunk_asan/main.c:62
  /lib/x86_64-linux-gnu/libc.so.6(__libc_start_call_main+0x7a) [0x74c57bc2a1ca] ../sysdeps/nptl/libc_start_call_main.h:58
  /lib/x86_64-linux-gnu/libc.so.6(call_init+0x0) [0x74c57bc2a28b] ../csu/libc-start.c:360
  /lib/x86_64-linux-gnu/libc.so.6(__libc_start_main_impl) ../csu/libc-start.c:347
  /lib/x86_64-linux-gnu/libc.so.6(__libc_start_main) (null):0
  /tmp/ruby/src/trunk_asan/tool/lib/test/unit/parallel.rb: TestString2#test_scan_gc_compact_stress(_start) [0x5d9ba7bc2a05]
  -- Other runtime information -----------------------------------------------
  running file: /tmp/ruby/src/trunk_asan/test/ruby/test_string.rb
  A test worker crashed. It might be an interpreter bug or
  a bug in test/unit/parallel.rb. Try again without the -j
  option.
  Children under /tmp/rubytest.4xwipd:
  * drwx------ 2 60 2025-08-01 11:38:14 +0000 ruby-test20250801-3978918-5tyk1k/
    * -rw-r--r-- 1 3 2025-08-01 11:38:14 +0000 file.test
  make: *** [uncommon.mk:980: yes-test-all] Error 1
  "make yes-test-rubyspec MSPECOPT='--error-output stderr -j' TESTS='-j16'" exit with 0.
  

• Linux ruby-sp1 6.8.0-64-generic #67-Ubuntu SMP PREEMPT_DYNAMIC Sun Jun 15 20:23:31 UTC 2025 x86_64 x86_64 x86_64 GNU/Linux
  

• Logfile: /home/ko1/ruby/logs/brlog.trunk_asan.20250801-113735
  #<BuildRuby:0x000073265a12fdd8
   @BUILD_DIR="/tmp/ruby/build",
   @INSTALL_DIR="/tmp/ruby/install",
   @REPOSITORY="https://github.com/ruby/ruby.git",
   @REPOSITORY_TYPE=:git,
   @SRC_DIR="/tmp/ruby/src",
   @TARGET_BUILD_DIR="/tmp/ruby/build/trunk_asan",
   @TARGET_INSTALL_DIR="/tmp/ruby/install/trunk_asan",
   @TARGET_NAME="trunk_asan",
   @TARGET_SRC_DIR="/tmp/ruby/src/trunk_asan",
   @btest_opts="-j16",
   @build_opts="-j16",
   @configure_opts=
    ["'CC=clang-17' 'cflags=-fsanitize=address -fno-omit-frame-pointer -DUSE_MN_THREADS=0'"],
   @gist=false,
   @git_branch=nil,
   @git_tag=nil,
   @git_worktree=nil,
   @incremental=true,
   @logfile="/home/ko1/ruby/logs/brlog.trunk_asan.20250801-113735",
   @make="make",
   @no_timeout_error=true,
   @quiet=false,
   @ruby_env=[["RUBY_DEBUG", "ci"], ["RUBY_TEST_TIMEOUT_SCALE", "50"]],
   @spec_opts="-j",
   @steps=
    ["checkout",
     "autoconf",
     "configure",
     "build_up",
     "build_miniruby",
     "build_ruby",
     "build_all",
     "build_install",
     "test_basic",
     "test_all",
     "test_rubyspec"],
   @svn_revision=nil,
   @test_opts="TESTS='-j16'",
   @timeout=600>
                             user     system      total        real
  checkout               0.000019   0.000006   0.000025 (  0.000025)
  autoconf               0.000034   0.000011   0.000045 (  0.000045)
  configure              0.000040   0.000000   0.000040 (  0.000038)
  build_up               0.003240   0.002780   2.182536 (  1.637045)
  build_miniruby         0.001036   0.000017   0.883844 (  0.882148)
  build_ruby             0.001256   0.000096   1.420743 (  1.419681)
  build_all              0.005520   0.001185  18.573719 (  2.302241)
  build_install          0.009982   0.004075  21.400895 (  4.179875)
  test_basic             0.000986   0.005241   1.107908 (  1.156700)
  test_all               0.027633   0.011244 153.660594 ( 54.212908)
  test_rubyspec          0.082702   0.049219 565.400522 ( 46.967442)
  $$$[end] "make yes-test-all TESTOPTS='--stderr-on-failure' TESTS='-j16'" exit with 512.
  /home/ko1/ruby/logs/brlog.trunk_asan.20250801-113735
  total: 112.76 sec