Result of trunk_asan@ruby-sp1 at 2025-07-29 08:10:30 +0900

NG (f1acf47ca2)[LOG]
test-all:
test-spec: 3338 files, 33611 examples, 133181 expectations, 1 failure, 0 errors, 0 tagged

commands:

 "git clone --depth 1 https://github.com/ruby/ruby.git trunk_asan" exit with 0.
Cloning into 'trunk_asan'...
"./autogen.sh" exit with 0.
"autoconf" exit with 0.
"/tmp/ruby/src/trunk_asan/configure --prefix=/tmp/ruby/install/trunk_asan --disable-install-doc 'CC=clang-17' 'cflags=-fsanitize=address -fno-omit-frame-pointer -DUSE_MN_THREADS=0'" exit with 0.
"make update-download -j16" exit with 0.
Cloning into '/tmp/ruby/src/trunk_asan/gems/src/power_assert'...
Cloning into '/tmp/ruby/src/trunk_asan/gems/src/repl_type_completor'...
Cloning into '/tmp/ruby/src/trunk_asan/gems/src/irb'...
From https://github.com/ruby/power_assert
 * branch            f88e406e7c9e0810cc149869582afbae1fb84c4a -> FETCH_HEAD
HEAD is now at f88e406 Support Ruby 3.5 style Set inspection result
From https://github.com/ruby/repl_type_completor
 * branch            25108aa8d69ddaba0b5da3feff1c0035371524b2 -> FETCH_HEAD
HEAD is now at 25108aa Merge pull request #62 from ruby/fix_require_completion_test
From https://github.com/ruby/irb
 * branch            331c4e851296b115db766c291e8cf54a2492fb36 -> FETCH_HEAD
HEAD is now at 331c4e8 Update the expected values of backtraces
"make update-src      -j16" exit with 0.
"make after-update    -j16" exit with 0.
+ cp /tmp/ruby/src/trunk_asan/enc/jis/props.h.blt /tmp/ruby/src/trunk_asan/enc/jis/props.h
"make miniruby -j16" exit with 0.
"make ruby -j16" exit with 0.
"make all -j16" exit with 0.
libffi_version: 3.4.6
"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.
=================================================================
==1805727==ERROR: AddressSanitizer: use-after-poison on address 0x7e23a4a34350 at pc 0x5f38cf8364bc bp 0x7ffc416addd0 sp 0x7ffc416addc8
READ of size 8 at 0x7e23a4a34350 thread T0
    #0 0x5f38cf8364bb in RB_BUILTIN_TYPE /tmp/ruby/src/trunk_asan/include/ruby/internal/value_type.h:191:30
    #1 0x5f38cf8364bb in rb_gc_shutdown_call_finalizer_p /tmp/ruby/src/trunk_asan/gc.c:357:18
    #2 0x5f38cf8364bb in rb_gc_impl_shutdown_call_finalizer /tmp/ruby/src/trunk_asan/gc/default/default.c:3045:21
    #3 0x5f38cf8364bb in rb_objspace_call_finalizer /tmp/ruby/src/trunk_asan/gc.c:1739:5
    #4 0x5f38cf8051b2 in rb_ec_finalize /tmp/ruby/src/trunk_asan/eval.c:165:5
    #5 0x5f38cf8051b2 in rb_ec_cleanup /tmp/ruby/src/trunk_asan/eval.c:256:5
    #6 0x5f38cf8048a3 in ruby_cleanup /tmp/ruby/src/trunk_asan/eval.c:179:12
    #7 0x5f38cf8057ba in ruby_stop /tmp/ruby/src/trunk_asan/eval.c:291:10
    #8 0x5f38cf9aaa2c in rb_f_fork /tmp/ruby/src/trunk_asan/process.c:4291:13
    #9 0x5f38cfc35497 in vm_call_cfunc_with_frame_ /tmp/ruby/src/trunk_asan/vm_insnhelper.c:3784:11
    #10 0x5f38cfc1a8b4 in vm_call_method_each_type /tmp/ruby/src/trunk_asan/vm_insnhelper.c:4763:16
    #11 0x5f38cfc1a344 in vm_call_method /tmp/ruby/src/trunk_asan/vm_insnhelper.c
    #12 0x5f38cfbd3429 in vm_sendish /tmp/ruby/src/trunk_asan/vm_insnhelper.c:5991:15
    #13 0x5f38cfbd3429 in vm_exec_core /tmp/ruby/build/trunk_asan/../../src/trunk_asan/insns.def:851:11
    #14 0x5f38cfbc7536 in rb_vm_exec /tmp/ruby/src/trunk_asan/vm.c:2621:22
    #15 0x5f38cfc551c1 in invoke_iseq_block_from_c /tmp/ruby/src/trunk_asan/vm.c:1651:12
    #16 0x5f38cfc551c1 in invoke_block_from_c_bh /tmp/ruby/src/trunk_asan/vm.c:1665:20
    #17 0x5f38cfbf86f7 in vm_yield_with_cref /tmp/ruby/src/trunk_asan/vm.c:1702:12
    #18 0x5f38cfbf86f7 in vm_yield /tmp/ruby/src/trunk_asan/vm.c:1710:12
    #19 0x5f38cfbf86f7 in rb_yield_0 /tmp/ruby/src/trunk_asan/vm_eval.c:1362:12
    #20 0x5f38cfbf86f7 in rb_yield /tmp/ruby/src/trunk_asan/vm_eval.c
    #21 0x5f38cfdbb3e2 in rb_ary_collect /tmp/ruby/src/trunk_asan/array.c:3654:30
    #22 0x5f38cfc35497 in vm_call_cfunc_with_frame_ /tmp/ruby/src/trunk_asan/vm_insnhelper.c:3784:11
    #23 0x5f38cfbd3429 in vm_sendish /tmp/ruby/src/trunk_asan/vm_insnhelper.c:5991:15
    #24 0x5f38cfbd3429 in vm_exec_core /tmp/ruby/build/trunk_asan/../../src/trunk_asan/insns.def:851:11
    #25 0x5f38cfbc792a in vm_exec_loop /tmp/ruby/src/trunk_asan/vm.c:2648:22
    #26 0x5f38cfbc792a in rb_vm_exec /tmp/ruby/src/trunk_asan/vm.c:2627:18
    #27 0x5f38cfc551c1 in invoke_iseq_block_from_c /tmp/ruby/src/trunk_asan/vm.c:1651:12
    #28 0x5f38cfc551c1 in invoke_block_from_c_bh /tmp/ruby/src/trunk_asan/vm.c:1665:20
    #29 0x5f38cfbf86f7 in vm_yield_with_cref /tmp/ruby/src/trunk_asan/vm.c:1702:12
    #30 0x5f38cfbf86f7 in vm_yield /tmp/ruby/src/trunk_asan/vm.c:1710:12
    #31 0x5f38cfbf86f7 in rb_yield_0 /tmp/ruby/src/trunk_asan/vm_eval.c:1362:12
    #32 0x5f38cfbf86f7 in rb_yield /tmp/ruby/src/trunk_asan/vm_eval.c
    #33 0x5f38cfdbb3e2 in rb_ary_collect /tmp/ruby/src/trunk_asan/array.c:3654:30
    #34 0x5f38cfc35497 in vm_call_cfunc_with_frame_ /tmp/ruby/src/trunk_asan/vm_insnhelper.c:3784:11
    #35 0x5f38cfbd3429 in vm_sendish /tmp/ruby/src/trunk_asan/vm_insnhelper.c:5991:15
    #36 0x5f38cfbd3429 in vm_exec_core /tmp/ruby/build/trunk_asan/../../src/trunk_asan/insns.def:851:11
    #37 0x5f38cfbc792a in vm_exec_loop /tmp/ruby/src/trunk_asan/vm.c:2648:22
    #38 0x5f38cfbc792a in rb_vm_exec /tmp/ruby/src/trunk_asan/vm.c:2627:18
    #39 0x5f38cfc0f4f7 in rb_iseq_eval_main /tmp/ruby/src/trunk_asan/vm.c:2901:11
    #40 0x5f38cf805cc9 in rb_ec_exec_node /tmp/ruby/src/trunk_asan/eval.c:282:9
    #41 0x5f38cf805cc9 in ruby_run_node /tmp/ruby/src/trunk_asan/eval.c:320:30
    #42 0x5f38cf7fec36 in rb_main /tmp/ruby/src/trunk_asan/main.c:42:12
    #43 0x5f38cf7fec36 in main /tmp/ruby/src/trunk_asan/main.c:62:12
    #44 0x7e23cec2a1c9 in __libc_start_call_main csu/../sysdeps/nptl/libc_start_call_main.h:58:16
    #45 0x7e23cec2a28a in __libc_start_main csu/../csu/libc-start.c:360:3
    #46 0x5f38cf722a04 in _start (/tmp/ruby/build/trunk_asan/ruby+0x16ba04) (BuildId: cdda7004914a7b496213beb8dc4c7d45f40ee2c6)
Address 0x7e23a4a34350 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:
  0x7e23a4a34080: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
  0x7e23a4a34100: 00 00 00 00 f7 f7 f7 f7 f7 f7 f7 f7 f7 f7 f7 f7
  0x7e23a4a34180: f7 f7 f7 f7 f7 f7 f7 f7 f7 f7 f7 f7 f7 f7 f7 f7
  0x7e23a4a34200: f7 f7 f7 f7 f7 f7 f7 f7 f7 f7 f7 f7 f7 f7 f7 f7
  0x7e23a4a34280: f7 f7 f7 f7 f7 f7 f7 f7 f7 f7 f7 f7 f7 f7 f7 f7
=>0x7e23a4a34300: f7 f7 f7 f7 f7 f7 f7 f7 f7 f7[f7]f7 f7 f7 f7 f7
  0x7e23a4a34380: f7 f7 f7 f7 f7 f7 f7 f7 f7 f7 f7 f7 f7 f7 f7 f7
  0x7e23a4a34400: f7 f7 f7 f7 f7 f7 f7 f7 f7 f7 f7 f7 f7 f7 f7 f7
  0x7e23a4a34480: f7 f7 f7 f7 f7 f7 f7 f7 f7 f7 f7 f7 f7 f7 f7 f7
  0x7e23a4a34500: f7 f7 f7 f7 f7 f7 f7 f7 f7 f7 f7 f7 f7 f7 f7 f7
  0x7e23a4a34580: f7 f7 f7 f7 f7 f7 f7 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
==1805727==ABORTING
/tmp/ruby/src/trunk_asan/test/ruby/test_thread.rb:1262: [BUG] ASAN error
ruby 3.5.0dev (2025-07-28T22:17:45Z master f1acf47ca2) +PRISM [x86_64-linux]
-- Control frame information -----------------------------------------------
c:0015 p:---- s:0104 e:000103 CFUNC  :fork
c:0014 p:0015 s:0100 E:000788 METHOD /tmp/ruby/src/trunk_asan/test/ruby/test_thread.rb:1262
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:001250 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:001de0 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_thread.rb:1262:in 'test_fork_value'
/tmp/ruby/src/trunk_asan/test/ruby/test_thread.rb:1262:in 'fork'
-- Threading information ---------------------------------------------------
Total ractor count: 1
Ruby thread count for this ractor: 1
-- C level backtrace information -------------------------------------------
/tmp/ruby/src/trunk_asan/tool/lib/test/unit/parallel.rb: TestThread#test_fork_value(___interceptor_backtrace) [0x5f38cf768de9]
/tmp/ruby/build/trunk_asan/ruby(rb_print_backtrace+0x14) [0x5f38d00b7e08] /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) [0x5f38cfffd215] /tmp/ruby/src/trunk_asan/error.c:1097
/tmp/ruby/build/trunk_asan/ruby(rb_bug_without_die+0x12c) [0x5f38cfffceac] /tmp/ruby/src/trunk_asan/error.c:1106
/tmp/ruby/src/trunk_asan/tool/lib/test/unit/parallel.rb: TestThread#test_fork_value(0x5f38cf7e530a) [0x5f38cf7e530a]
/tmp/ruby/src/trunk_asan/tool/lib/test/unit/parallel.rb: TestThread#test_fork_value(0x5f38cf7c5d8f) [0x5f38cf7c5d8f]
/tmp/ruby/src/trunk_asan/tool/lib/test/unit/parallel.rb: TestThread#test_fork_value(0x5f38cf7c8e1d) [0x5f38cf7c8e1d]
/tmp/ruby/src/trunk_asan/tool/lib/test/unit/parallel.rb: TestThread#test_fork_value(__asan_report_load8) [0x5f38cf7c9b7c]
/tmp/ruby/build/trunk_asan/ruby(rb_objspace_call_finalizer+0xfec) [0x5f38cf8364bc] /tmp/ruby/src/trunk_asan/include/ruby/internal/value_type.h:191
/tmp/ruby/build/trunk_asan/ruby(rb_ec_finalize+0x2a) [0x5f38cf8051b3] /tmp/ruby/src/trunk_asan/eval.c:165
/tmp/ruby/build/trunk_asan/ruby(rb_ec_cleanup) /tmp/ruby/src/trunk_asan/eval.c:256
/tmp/ruby/build/trunk_asan/ruby(ruby_cleanup+0x104) [0x5f38cf8048a4] /tmp/ruby/src/trunk_asan/eval.c:179
/tmp/ruby/build/trunk_asan/ruby(ruby_stop+0xb) [0x5f38cf8057bb] /tmp/ruby/src/trunk_asan/eval.c:291
/tmp/ruby/build/trunk_asan/ruby(rb_f_fork+0x16d) [0x5f38cf9aaa2d] /tmp/ruby/src/trunk_asan/process.c:4291
/tmp/ruby/build/trunk_asan/ruby(vm_cfp_consistent_p+0x0) [0x5f38cfc35498] /tmp/ruby/src/trunk_asan/vm_insnhelper.c:3784
/tmp/ruby/build/trunk_asan/ruby(vm_call_cfunc_with_frame_) /tmp/ruby/src/trunk_asan/vm_insnhelper.c:3786
/tmp/ruby/build/trunk_asan/ruby(vm_call_method_each_type+0x295) [0x5f38cfc1a8b5] /tmp/ruby/src/trunk_asan/vm_insnhelper.c:4763
/tmp/ruby/src/trunk_asan/tool/lib/test/unit/parallel.rb: TestThread#test_fork_value(vm_call_method+0x2d5) [0x5f38cfc1a345]
/tmp/ruby/build/trunk_asan/ruby(vm_sendish+0x149) [0x5f38cfbd342a] /tmp/ruby/src/trunk_asan/vm_insnhelper.c:5991
/tmp/ruby/build/trunk_asan/ruby(vm_exec_core) ../../src/trunk_asan/insns.def:851
/tmp/ruby/build/trunk_asan/ruby(rb_vm_exec+0x4e7) [0x5f38cfbc7537] /tmp/ruby/src/trunk_asan/vm.c:2621
/tmp/ruby/build/trunk_asan/ruby(invoke_iseq_block_from_c+0x701) [0x5f38cfc551c2] /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) [0x5f38cfbf86f8] /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) [0x5f38cfdbb3e3] /tmp/ruby/src/trunk_asan/array.c:3654
/tmp/ruby/build/trunk_asan/ruby(vm_cfp_consistent_p+0x0) [0x5f38cfc35498] /tmp/ruby/src/trunk_asan/vm_insnhelper.c:3784
/tmp/ruby/build/trunk_asan/ruby(vm_call_cfunc_with_frame_) /tmp/ruby/src/trunk_asan/vm_insnhelper.c:3786
/tmp/ruby/build/trunk_asan/ruby(vm_sendish+0x149) [0x5f38cfbd342a] /tmp/ruby/src/trunk_asan/vm_insnhelper.c:5991
/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) [0x5f38cfbc792b] /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) [0x5f38cfc551c2] /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) [0x5f38cfbf86f8] /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) [0x5f38cfdbb3e3] /tmp/ruby/src/trunk_asan/array.c:3654
/tmp/ruby/build/trunk_asan/ruby(vm_cfp_consistent_p+0x0) [0x5f38cfc35498] /tmp/ruby/src/trunk_asan/vm_insnhelper.c:3784
/tmp/ruby/build/trunk_asan/ruby(vm_call_cfunc_with_frame_) /tmp/ruby/src/trunk_asan/vm_insnhelper.c:3786
/tmp/ruby/build/trunk_asan/ruby(vm_sendish+0x149) [0x5f38cfbd342a] /tmp/ruby/src/trunk_asan/vm_insnhelper.c:5991
/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) [0x5f38cfbc792b] /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) [0x5f38cfc0f4f8] /tmp/ruby/src/trunk_asan/vm.c:2901
/tmp/ruby/build/trunk_asan/ruby(rb_ec_exec_node+0x142) [0x5f38cf805cca] /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) [0x5f38cf7fec37] /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) [0x7e23cec2a1ca] ../sysdeps/nptl/libc_start_call_main.h:58
/lib/x86_64-linux-gnu/libc.so.6(call_init+0x0) [0x7e23cec2a28b] ../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: TestThread#test_fork_value(_start) [0x5f38cf722a05]
-- Other runtime information -----------------------------------------------
=================================================================
==1805954==ERROR: AddressSanitizer: use-after-poison on address 0x7e23a4a34350 at pc 0x5f38cf8364bc bp 0x7e23a6f3adf0 sp 0x7e23a6f3ade8
READ of size 8 at 0x7e23a4a34350 thread T140
    #0 0x5f38cf8364bb in RB_BUILTIN_TYPE /tmp/ruby/src/trunk_asan/include/ruby/internal/value_type.h:191:30
    #1 0x5f38cf8364bb in rb_gc_shutdown_call_finalizer_p /tmp/ruby/src/trunk_asan/gc.c:357:18
    #2 0x5f38cf8364bb in rb_gc_impl_shutdown_call_finalizer /tmp/ruby/src/trunk_asan/gc/default/default.c:3045:21
    #3 0x5f38cf8364bb in rb_objspace_call_finalizer /tmp/ruby/src/trunk_asan/gc.c:1739:5
    #4 0x5f38cf8051b2 in rb_ec_finalize /tmp/ruby/src/trunk_asan/eval.c:165:5
    #5 0x5f38cf8051b2 in rb_ec_cleanup /tmp/ruby/src/trunk_asan/eval.c:256:5
    #6 0x5f38cf8048a3 in ruby_cleanup /tmp/ruby/src/trunk_asan/eval.c:179:12
    #7 0x5f38cf8057ba in ruby_stop /tmp/ruby/src/trunk_asan/eval.c:291:10
    #8 0x5f38cf9aaa2c in rb_f_fork /tmp/ruby/src/trunk_asan/process.c:4291:13
    #9 0x5f38cfc35497 in vm_call_cfunc_with_frame_ /tmp/ruby/src/trunk_asan/vm_insnhelper.c:3784:11
    #10 0x5f38cfbd3429 in vm_sendish /tmp/ruby/src/trunk_asan/vm_insnhelper.c:5991:15
    #11 0x5f38cfbd3429 in vm_exec_core /tmp/ruby/build/trunk_asan/../../src/trunk_asan/insns.def:851:11
    #12 0x5f38cfbc7536 in rb_vm_exec /tmp/ruby/src/trunk_asan/vm.c:2621:22
    #13 0x5f38cfc551c1 in invoke_iseq_block_from_c /tmp/ruby/src/trunk_asan/vm.c:1651:12
    #14 0x5f38cfc551c1 in invoke_block_from_c_bh /tmp/ruby/src/trunk_asan/vm.c:1665:20
    #15 0x5f38cfbf86f7 in vm_yield_with_cref /tmp/ruby/src/trunk_asan/vm.c:1702:12
    #16 0x5f38cfbf86f7 in vm_yield /tmp/ruby/src/trunk_asan/vm.c:1710:12
    #17 0x5f38cfbf86f7 in rb_yield_0 /tmp/ruby/src/trunk_asan/vm_eval.c:1362:12
    #18 0x5f38cfbf86f7 in rb_yield /tmp/ruby/src/trunk_asan/vm_eval.c
    #19 0x5f38cf80a946 in rb_ensure /tmp/ruby/src/trunk_asan/eval.c:1173:18
    #20 0x5f38cfc35497 in vm_call_cfunc_with_frame_ /tmp/ruby/src/trunk_asan/vm_insnhelper.c:3784:11
    #21 0x5f38cfbd3429 in vm_sendish /tmp/ruby/src/trunk_asan/vm_insnhelper.c:5991:15
    #22 0x5f38cfbd3429 in vm_exec_core /tmp/ruby/build/trunk_asan/../../src/trunk_asan/insns.def:851:11
    #23 0x5f38cfbc7536 in rb_vm_exec /tmp/ruby/src/trunk_asan/vm.c:2621:22
    #24 0x5f38cfc0a6aa in invoke_iseq_block_from_c /tmp/ruby/src/trunk_asan/vm.c:1651:12
    #25 0x5f38cfc0a6aa in invoke_block_from_c_proc /tmp/ruby/src/trunk_asan/vm.c:1745:16
    #26 0x5f38cfc0a6aa in vm_invoke_proc /tmp/ruby/src/trunk_asan/vm.c:1775:12
    #27 0x5f38cfc08925 in rb_vm_invoke_proc /tmp/ruby/src/trunk_asan/vm.c:1796:16
    #28 0x5f38cfb52a9c in thread_do_start_proc /tmp/ruby/src/trunk_asan/thread.c:605:16
    #29 0x5f38cfb50605 in thread_do_start /tmp/ruby/src/trunk_asan/thread.c:622:18
    #30 0x5f38cfb50605 in thread_start_func_2 /tmp/ruby/src/trunk_asan/thread.c:677:18
    #31 0x5f38cfb4f8ed in call_thread_start_func_2 /tmp/ruby/src/trunk_asan/thread_pthread.c:2237:5
    #32 0x5f38cfb4f8ed in nt_start /tmp/ruby/src/trunk_asan/thread_pthread.c:2282:13
    #33 0x5f38cf7beb7e in asan_thread_start(void*) asan_interceptors.cpp.o
    #34 0x7e23cec9caa3 in start_thread nptl/pthread_create.c:447:8
    #35 0x7e23ced29c3b in clone3 misc/../sysdeps/unix/sysv/linux/x86_64/clone3.S:78
Address 0x7e23a4a34350 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:
  0x7e23a4a34080: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
  0x7e23a4a34100: 00 00 00 00 f7 f7 f7 f7 f7 f7 f7 f7 f7 f7 f7 f7
  0x7e23a4a34180: f7 f7 f7 f7 f7 f7 f7 f7 f7 f7 f7 f7 f7 f7 f7 f7
  0x7e23a4a34200: f7 f7 f7 f7 f7 f7 f7 f7 f7 f7 f7 f7 f7 f7 f7 f7
  0x7e23a4a34280: f7 f7 f7 f7 f7 f7 f7 f7 f7 f7 f7 f7 f7 f7 f7 f7
=>0x7e23a4a34300: f7 f7 f7 f7 f7 f7 f7 f7 f7 f7[f7]f7 f7 f7 f7 f7
  0x7e23a4a34380: f7 f7 f7 f7 f7 f7 f7 f7 f7 f7 f7 f7 f7 f7 f7 f7
  0x7e23a4a34400: f7 f7 f7 f7 f7 f7 f7 f7 f7 f7 f7 f7 f7 f7 f7 f7
  0x7e23a4a34480: f7 f7 f7 f7 f7 f7 f7 f7 f7 f7 f7 f7 f7 f7 f7 f7
  0x7e23a4a34500: f7 f7 f7 f7 f7 f7 f7 f7 f7 f7 f7 f7 f7 f7 f7 f7
  0x7e23a4a34580: f7 f7 f7 f7 f7 f7 f7 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
Thread T140 created by T0 here:
    #0 0x5f38cf7a6821 in pthread_create (/tmp/ruby/build/trunk_asan/ruby+0x1ef821) (BuildId: cdda7004914a7b496213beb8dc4c7d45f40ee2c6)
    #1 0x5f38cfb2e362 in native_thread_create0 /tmp/ruby/src/trunk_asan/thread_pthread.c:2151:11
    #2 0x5f38cfb2e362 in native_thread_create_dedicated /tmp/ruby/src/trunk_asan/thread_pthread.c:2216:15
    #3 0x5f38cfb2e362 in native_thread_create /tmp/ruby/src/trunk_asan/thread_pthread.c:2399:16
    #4 0x5f38cfb2e362 in thread_create_core /tmp/ruby/src/trunk_asan/thread.c:875:11
    #5 0x5f38cfb46630 in thread_initialize /tmp/ruby/src/trunk_asan/thread.c:983:16
    #6 0x5f38cfc4b430 in vm_call0_cfunc_with_frame /tmp/ruby/src/trunk_asan/vm_eval.c:164:15
    #7 0x5f38cfc4b430 in vm_call0_cfunc /tmp/ruby/src/trunk_asan/vm_eval.c:178:12
    #8 0x5f38cfc4b430 in vm_call0_body /tmp/ruby/src/trunk_asan/vm_eval.c:229:15
    #9 0x5f38cfc50178 in vm_call0_cc /tmp/ruby/src/trunk_asan/vm_eval.c:101:12
    #10 0x5f38cfc50178 in rb_call0 /tmp/ruby/src/trunk_asan/vm_eval.c:572:12
    #11 0x5f38cfbf5f36 in rb_call /tmp/ruby/src/trunk_asan/vm_eval.c:891:12
    #12 0x5f38cfbf5f36 in rb_funcallv_kw /tmp/ruby/src/trunk_asan/vm_eval.c:1088:12
    #13 0x5f38cf80c6e7 in rb_obj_call_init_kw /tmp/ruby/src/trunk_asan/eval.c:1873:5
    #14 0x5f38cfb43899 in thread_s_new /tmp/ruby/src/trunk_asan/thread.c:916:5
    #15 0x5f38cfc35497 in vm_call_cfunc_with_frame_ /tmp/ruby/src/trunk_asan/vm_insnhelper.c:3784:11
    #16 0x5f38cfbc606a in vm_sendish /tmp/ruby/src/trunk_asan/vm_insnhelper.c:5995:15
    #17 0x5f38cfbcd1a8 in vm_exec_core /tmp/ruby/build/trunk_asan/../../src/trunk_asan/insns.def:1091:11
    #18 0x5f38cfbc7536 in rb_vm_exec /tmp/ruby/src/trunk_asan/vm.c:2621:22
    #19 0x5f38cfc551c1 in invoke_iseq_block_from_c /tmp/ruby/src/trunk_asan/vm.c:1651:12
    #20 0x5f38cfc551c1 in invoke_block_from_c_bh /tmp/ruby/src/trunk_asan/vm.c:1665:20
    #21 0x5f38cfbf86f7 in vm_yield_with_cref /tmp/ruby/src/trunk_asan/vm.c:1702:12
    #22 0x5f38cfbf86f7 in vm_yield /tmp/ruby/src/trunk_asan/vm.c:1710:12
    #23 0x5f38cfbf86f7 in rb_yield_0 /tmp/ruby/src/trunk_asan/vm_eval.c:1362:12
    #24 0x5f38cfbf86f7 in rb_yield /tmp/ruby/src/trunk_asan/vm_eval.c
    #25 0x5f38cfdbb3e2 in rb_ary_collect /tmp/ruby/src/trunk_asan/array.c:3654:30
    #26 0x5f38cfc35497 in vm_call_cfunc_with_frame_ /tmp/ruby/src/trunk_asan/vm_insnhelper.c:3784:11
    #27 0x5f38cfbd3429 in vm_sendish /tmp/ruby/src/trunk_asan/vm_insnhelper.c:5991:15
    #28 0x5f38cfbd3429 in vm_exec_core /tmp/ruby/build/trunk_asan/../../src/trunk_asan/insns.def:851:11
    #29 0x5f38cfbc792a in vm_exec_loop /tmp/ruby/src/trunk_asan/vm.c:2648:22
    #30 0x5f38cfbc792a in rb_vm_exec /tmp/ruby/src/trunk_asan/vm.c:2627:18
    #31 0x5f38cfc551c1 in invoke_iseq_block_from_c /tmp/ruby/src/trunk_asan/vm.c:1651:12
    #32 0x5f38cfc551c1 in invoke_block_from_c_bh /tmp/ruby/src/trunk_asan/vm.c:1665:20
    #33 0x5f38cfbf86f7 in vm_yield_with_cref /tmp/ruby/src/trunk_asan/vm.c:1702:12
    #34 0x5f38cfbf86f7 in vm_yield /tmp/ruby/src/trunk_asan/vm.c:1710:12
    #35 0x5f38cfbf86f7 in rb_yield_0 /tmp/ruby/src/trunk_asan/vm_eval.c:1362:12
    #36 0x5f38cfbf86f7 in rb_yield /tmp/ruby/src/trunk_asan/vm_eval.c
    #37 0x5f38cfdbb3e2 in rb_ary_collect /tmp/ruby/src/trunk_asan/array.c:3654:30
    #38 0x5f38cfc35497 in vm_call_cfunc_with_frame_ /tmp/ruby/src/trunk_asan/vm_insnhelper.c:3784:11
    #39 0x5f38cfbd3429 in vm_sendish /tmp/ruby/src/trunk_asan/vm_insnhelper.c:5991:15
    #40 0x5f38cfbd3429 in vm_exec_core /tmp/ruby/build/trunk_asan/../../src/trunk_asan/insns.def:851:11
    #41 0x5f38cfbc792a in vm_exec_loop /tmp/ruby/src/trunk_asan/vm.c:2648:22
    #42 0x5f38cfbc792a in rb_vm_exec /tmp/ruby/src/trunk_asan/vm.c:2627:18
    #43 0x5f38cfc0f4f7 in rb_iseq_eval_main /tmp/ruby/src/trunk_asan/vm.c:2901:11
    #44 0x5f38cf805cc9 in rb_ec_exec_node /tmp/ruby/src/trunk_asan/eval.c:282:9
    #45 0x5f38cf805cc9 in ruby_run_node /tmp/ruby/src/trunk_asan/eval.c:320:30
    #46 0x5f38cf7fec36 in rb_main /tmp/ruby/src/trunk_asan/main.c:42:12
    #47 0x5f38cf7fec36 in main /tmp/ruby/src/trunk_asan/main.c:62:12
    #48 0x7e23cec2a1c9 in __libc_start_call_main csu/../sysdeps/nptl/libc_start_call_main.h:58:16
    #49 0x7e23cec2a28a in __libc_start_main csu/../csu/libc-start.c:360:3
    #50 0x5f38cf722a04 in _start (/tmp/ruby/build/trunk_asan/ruby+0x16ba04) (BuildId: cdda7004914a7b496213beb8dc4c7d45f40ee2c6)
==1805954==ABORTING
/tmp/ruby/src/trunk_asan/test/ruby/test_thread.rb:1277: [BUG] ASAN error
ruby 3.5.0dev (2025-07-28T22:17:45Z master f1acf47ca2) +PRISM [x86_64-linux]
-- Control frame information -----------------------------------------------
c:0005 p:---- s:0018 e:000017 CFUNC  :fork
c:0004 p:0006 s:0014 e:000012 BLOCK  /tmp/ruby/src/trunk_asan/test/ruby/test_thread.rb:1277 [FINISH]
c:0003 p:---- s:0010 e:000009 CFUNC  :synchronize
c:0002 p:0006 s:0006 e:000005 BLOCK  /tmp/ruby/src/trunk_asan/test/ruby/test_thread.rb:1277 [FINISH]
c:0001 p:---- s:0003 e:000002 DUMMY  [FINISH]
-- Ruby level backtrace information ----------------------------------------
/tmp/ruby/src/trunk_asan/test/ruby/test_thread.rb:1277:in 'block (2 levels) in test_fork_while_locked'
/tmp/ruby/src/trunk_asan/test/ruby/test_thread.rb:1277:in 'synchronize'
/tmp/ruby/src/trunk_asan/test/ruby/test_thread.rb:1277:in 'block (3 levels) in test_fork_while_locked'
/tmp/ruby/src/trunk_asan/test/ruby/test_thread.rb:1277:in 'fork'
-- Threading information ---------------------------------------------------
Total ractor count: 1
Ruby thread count for this ractor: 1
-- C level backtrace information -------------------------------------------
/tmp/ruby/src/trunk_asan/tool/lib/test/unit/parallel.rb: TestThread#test_fork_while_locked(___interceptor_backtrace) [0x5f38cf768de9]
/tmp/ruby/build/trunk_asan/ruby(rb_print_backtrace+0x14) [0x5f38d00b7e08] /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) [0x5f38cfffd215] /tmp/ruby/src/trunk_asan/error.c:1097
/tmp/ruby/build/trunk_asan/ruby(rb_bug_without_die+0x12c) [0x5f38cfffceac] /tmp/ruby/src/trunk_asan/error.c:1106
/tmp/ruby/src/trunk_asan/tool/lib/test/unit/parallel.rb: TestThread#test_fork_while_locked(0x5f38cf7e530a) [0x5f38cf7e530a]
/tmp/ruby/src/trunk_asan/tool/lib/test/unit/parallel.rb: TestThread#test_fork_while_locked(0x5f38cf7c5d8f) [0x5f38cf7c5d8f]
/tmp/ruby/src/trunk_asan/tool/lib/test/unit/parallel.rb: TestThread#test_fork_while_locked(0x5f38cf7c8e1d) [0x5f38cf7c8e1d]
/tmp/ruby/src/trunk_asan/tool/lib/test/unit/parallel.rb: TestThread#test_fork_while_locked(__asan_report_load8) [0x5f38cf7c9b7c]
/tmp/ruby/build/trunk_asan/ruby(rb_objspace_call_finalizer+0xfec) [0x5f38cf8364bc] /tmp/ruby/src/trunk_asan/include/ruby/internal/value_type.h:191
/tmp/ruby/build/trunk_asan/ruby(rb_ec_finalize+0x2a) [0x5f38cf8051b3] /tmp/ruby/src/trunk_asan/eval.c:165
/tmp/ruby/build/trunk_asan/ruby(rb_ec_cleanup) /tmp/ruby/src/trunk_asan/eval.c:256
/tmp/ruby/build/trunk_asan/ruby(ruby_cleanup+0x104) [0x5f38cf8048a4] /tmp/ruby/src/trunk_asan/eval.c:179
/tmp/ruby/build/trunk_asan/ruby(ruby_stop+0xb) [0x5f38cf8057bb] /tmp/ruby/src/trunk_asan/eval.c:291
/tmp/ruby/build/trunk_asan/ruby(rb_f_fork+0x16d) [0x5f38cf9aaa2d] /tmp/ruby/src/trunk_asan/process.c:4291
/tmp/ruby/build/trunk_asan/ruby(vm_cfp_consistent_p+0x0) [0x5f38cfc35498] /tmp/ruby/src/trunk_asan/vm_insnhelper.c:3784
/tmp/ruby/build/trunk_asan/ruby(vm_call_cfunc_with_frame_) /tmp/ruby/src/trunk_asan/vm_insnhelper.c:3786
/tmp/ruby/build/trunk_asan/ruby(vm_sendish+0x149) [0x5f38cfbd342a] /tmp/ruby/src/trunk_asan/vm_insnhelper.c:5991
/tmp/ruby/build/trunk_asan/ruby(vm_exec_core) ../../src/trunk_asan/insns.def:851
/tmp/ruby/build/trunk_asan/ruby(rb_vm_exec+0x4e7) [0x5f38cfbc7537] /tmp/ruby/src/trunk_asan/vm.c:2621
/tmp/ruby/build/trunk_asan/ruby(invoke_iseq_block_from_c+0x701) [0x5f38cfc551c2] /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) [0x5f38cfbf86f8] /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_ensure+0x3f7) [0x5f38cf80a947] /tmp/ruby/src/trunk_asan/eval.c:1173
/tmp/ruby/build/trunk_asan/ruby(vm_cfp_consistent_p+0x0) [0x5f38cfc35498] /tmp/ruby/src/trunk_asan/vm_insnhelper.c:3784
/tmp/ruby/build/trunk_asan/ruby(vm_call_cfunc_with_frame_) /tmp/ruby/src/trunk_asan/vm_insnhelper.c:3786
/tmp/ruby/build/trunk_asan/ruby(vm_sendish+0x149) [0x5f38cfbd342a] /tmp/ruby/src/trunk_asan/vm_insnhelper.c:5991
/tmp/ruby/build/trunk_asan/ruby(vm_exec_core) ../../src/trunk_asan/insns.def:851
/tmp/ruby/build/trunk_asan/ruby(rb_vm_exec+0x4e7) [0x5f38cfbc7537] /tmp/ruby/src/trunk_asan/vm.c:2621
/tmp/ruby/build/trunk_asan/ruby(invoke_iseq_block_from_c+0x1ee) [0x5f38cfc0a6ab] /tmp/ruby/src/trunk_asan/vm.c:1651
/tmp/ruby/build/trunk_asan/ruby(invoke_block_from_c_proc) /tmp/ruby/src/trunk_asan/vm.c:1745
/tmp/ruby/build/trunk_asan/ruby(vm_invoke_proc) /tmp/ruby/src/trunk_asan/vm.c:1775
/tmp/ruby/build/trunk_asan/ruby(rb_vm_invoke_proc+0xd6) [0x5f38cfc08926] /tmp/ruby/src/trunk_asan/vm.c:1796
/tmp/ruby/build/trunk_asan/ruby(thread_do_start_proc+0x7dd) [0x5f38cfb52a9d] /tmp/ruby/src/trunk_asan/thread.c:605
/tmp/ruby/build/trunk_asan/ruby(thread_do_start+0x197) [0x5f38cfb50606] /tmp/ruby/src/trunk_asan/thread.c:622
/tmp/ruby/build/trunk_asan/ruby(thread_start_func_2) /tmp/ruby/src/trunk_asan/thread.c:677
/tmp/ruby/build/trunk_asan/ruby(call_thread_start_func_2+0x52) [0x5f38cfb4f8ee] /tmp/ruby/src/trunk_asan/thread_pthread.c:2237
/tmp/ruby/build/trunk_asan/ruby(nt_start) /tmp/ruby/src/trunk_asan/thread_pthread.c:2282
/tmp/ruby/src/trunk_asan/tool/lib/test/unit/parallel.rb: TestThread#test_fork_while_locked(0x5f38cf7beb7f) [0x5f38cf7beb7f]
/lib/x86_64-linux-gnu/libc.so.6(start_thread+0x384) [0x7e23cec9caa4] ./nptl/pthread_create.c:447
/lib/x86_64-linux-gnu/libc.so.6(clone3+0x2c) [0x7e23ced29c3c] ../sysdeps/unix/sysv/linux/x86_64/clone3.S:78
/lib/x86_64-linux-gnu/libc.so.6(__GI___clone3) (null):0
/lib/x86_64-linux-gnu/libc.so.6(__clone3) (null):0
-- Other runtime information -----------------------------------------------
=================================================================
==1806124==ERROR: AddressSanitizer: use-after-poison on address 0x7e23a4a34350 at pc 0x5f38cf8364bc bp 0x7e23aa1fcdf0 sp 0x7e23aa1fcde8
READ of size 8 at 0x7e23a4a34350 thread T141
=================================================================
==1806130==ERROR: AddressSanitizer: use-after-poison on address 0x7e23a4a34350 at pc 0x5f38cf8364bc bp 0x7e23a8ac8df0 sp 0x7e23a8ac8de8
READ of size 8 at 0x7e23a4a34350 thread T142
    #0 0x5f38cf8364bb in RB_BUILTIN_TYPE /tmp/ruby/src/trunk_asan/include/ruby/internal/value_type.h:191:30
    #1 0x5f38cf8364bb in rb_gc_shutdown_call_finalizer_p /tmp/ruby/src/trunk_asan/gc.c:357:18
    #2 0x5f38cf8364bb in rb_gc_impl_shutdown_call_finalizer /tmp/ruby/src/trunk_asan/gc/default/default.c:3045:21
    #3 0x5f38cf8364bb in rb_objspace_call_finalizer /tmp/ruby/src/trunk_asan/gc.c:1739:5
    #4 0x5f38cf8051b2 in rb_ec_finalize /tmp/ruby/src/trunk_asan/eval.c:165:5
    #5 0x5f38cf8051b2 in rb_ec_cleanup /tmp/ruby/src/trunk_asan/eval.c:256:5
    #6 0x5f38cf8048a3 in ruby_cleanup /tmp/ruby/src/trunk_asan/eval.c:179:12
    #7 0x5f38cf8057ba in ruby_stop /tmp/ruby/src/trunk_asan/eval.c:291:10
    #8 0x5f38cf9aaa2c in rb_f_fork /tmp/ruby/src/trunk_asan/process.c:4291:13
    #9 0x5f38cfc35497 in vm_call_cfunc_with_frame_ /tmp/ruby/src/trunk_asan/vm_insnhelper.c:3784:11
    #10 0x5f38cfbd3429 in vm_sendish /tmp/ruby/src/trunk_asan/vm_insnhelper.c:5991:15
    #11 0x5f38cfbd3429 in vm_exec_core /tmp/ruby/build/trunk_asan/../../src/trunk_asan/insns.def:851:11
    #12 0x5f38cfbc7536 in rb_vm_exec /tmp/ruby/src/trunk_asan/vm.c:2621:22
    #13 0x5f38cfc551c1 in invoke_iseq_block_from_c /tmp/ruby/src/trunk_asan/vm.c:1651:12
    #14 0x5f38cfc551c1 in invoke_block_from_c_bh /tmp/ruby/src/trunk_asan/vm.c:1665:20
    #15 0x5f38cfbf86f7 in vm_yield_with_cref /tmp/ruby/src/trunk_asan/vm.c:1702:12
    #16 0x5f38cfbf86f7 in vm_yield /tmp/ruby/src/trunk_asan/vm.c:1710:12
    #17 0x5f38cfbf86f7 in rb_yield_0 /tmp/ruby/src/trunk_asan/vm_eval.c:1362:12
    #18 0x5f38cfbf86f7 in rb_yield /tmp/ruby/src/trunk_asan/vm_eval.c
    #19 0x5f38cf80a946 in rb_ensure /tmp/ruby/src/trunk_asan/eval.c:1173:18
    #20 0x5f38cfc35497 in vm_call_cfunc_with_frame_ /tmp/ruby/src/trunk_asan/vm_insnhelper.c:3784:11
    #21 0x5f38cfbd3429 in vm_sendish /tmp/ruby/src/trunk_asan/vm_insnhelper.c:5991:15
    #22 0x5f38cfbd3429 in vm_exec_core /tmp/ruby/build/trunk_asan/../../src/trunk_asan/insns.def:851:11
    #23 0x5f38cfbc7536 in rb_vm_exec /tmp/ruby/src/trunk_asan/vm.c:2621:22
    #24 0x5f38cfc0a6aa in invoke_iseq_block_from_c /tmp/ruby/src/trunk_asan/vm.c:1651:12
    #25 0x5f38cfc0a6aa in invoke_block_from_c_proc /tmp/ruby/src/trunk_asan/vm.c:1745:16
    #26 0x5f38cfc0a6aa in vm_invoke_proc /tmp/ruby/src/trunk_asan/vm.c:1775:12
    #27 0x5f38cfc08925 in rb_vm_invoke_proc /tmp/ruby/src/trunk_asan/vm.c:1796:16
    #28 0x5f38cfb52a9c in thread_do_start_proc /tmp/ruby/src/trunk_asan/thread.c:605:16
    #29 0x5f38cfb50605 in thread_do_start /tmp/ruby/src/trunk_asan/thread.c:622:18
    #30 0x5f38cfb50605 in thread_start_func_2 /tmp/ruby/src/trunk_asan/thread.c:677:18
    #31 0x5f38cfb4f8ed in call_thread_start_func_2 /tmp/ruby/src/trunk_asan/thread_pthread.c:2237:5
    #32 0x5f38cfb4f8ed in nt_start /tmp/ruby/src/trunk_asan/thread_pthread.c:2282:13
    #33 0x5f38cf7beb7e in asan_thread_start(void*) asan_interceptors.cpp.o
    #34 0x7e23cec9caa3 in start_thread nptl/pthread_create.c:447:8
    #35 0x7e23ced29c3b in clone3 misc/../sysdeps/unix/sysv/linux/x86_64/clone3.S:78
Address 0x7e23a4a34350 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:
  0x7e23a4a34080: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
  0x7e23a4a34100: 00 00 00 00 f7 f7 f7 f7 f7 f7 f7 f7 f7 f7 f7 f7
  0x7e23a4a34180: f7 f7 f7 f7 f7 f7 f7 f7 f7 f7 f7 f7 f7 f7 f7 f7
  0x7e23a4a34200: f7 f7 f7 f7 f7 f7 f7 f7 f7 f7 f7 f7 f7 f7 f7 f7
  0x7e23a4a34280: f7 f7 f7 f7 f7 f7 f7 f7 f7 f7 f7 f7 f7 f7 f7 f7
=>0x7e23a4a34300: f7 f7 f7 f7 f7 f7 f7 f7 f7 f7[f7]f7 f7 f7 f7 f7
  0x7e23a4a34380: f7 f7 f7 f7 f7 f7 f7 f7 f7 f7 f7 f7 f7 f7 f7 f7
  0x7e23a4a34400: f7 f7 f7 f7 f7 f7 f7 f7 f7 f7 f7 f7 f7 f7 f7 f7
  0x7e23a4a34480: f7 f7 f7 f7 f7 f7 f7 f7 f7 f7 f7 f7 f7 f7 f7 f7
  0x7e23a4a34500: f7 f7 f7 f7 f7 f7 f7 f7 f7 f7 f7 f7 f7 f7 f7 f7
  0x7e23a4a34580: f7 f7 f7 f7 f7 f7 f7 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
Thread T141 created by T0 here:
    #0 0x5f38cf7a6821 in pthread_create (/tmp/ruby/build/trunk_asan/ruby+0x1ef821) (BuildId: cdda7004914a7b496213beb8dc4c7d45f40ee2c6)
    #1 0x5f38cfb2e362 in native_thread_create0 /tmp/ruby/src/trunk_asan/thread_pthread.c:2151:11
    #2 0x5f38cfb2e362 in native_thread_create_dedicated /tmp/ruby/src/trunk_asan/thread_pthread.c:2216:15
    #3 0x5f38cfb2e362 in native_thread_create /tmp/ruby/src/trunk_asan/thread_pthread.c:2399:16
    #4 0x5f38cfb2e362 in thread_create_core /tmp/ruby/src/trunk_asan/thread.c:875:11
    #5 0x5f38cfb46630 in thread_initialize /tmp/ruby/src/trunk_asan/thread.c:983:16
    #6 0x5f38cfc4b430 in vm_call0_cfunc_with_frame /tmp/ruby/src/trunk_asan/vm_eval.c:164:15
    #7 0x5f38cfc4b430 in vm_call0_cfunc /tmp/ruby/src/trunk_asan/vm_eval.c:178:12
    #8 0x5f38cfc4b430 in vm_call0_body /tmp/ruby/src/trunk_asan/vm_eval.c:229:15
    #9 0x5f38cfc50178 in vm_call0_cc /tmp/ruby/src/trunk_asan/vm_eval.c:101:12
    #10 0x5f38cfc50178 in rb_call0 /tmp/ruby/src/trunk_asan/vm_eval.c:572:12
    #11 0x5f38cfbf5f36 in rb_call /tmp/ruby/src/trunk_asan/vm_eval.c:891:12
    #12 0x5f38cfbf5f36 in rb_funcallv_kw /tmp/ruby/src/trunk_asan/vm_eval.c:1088:12
    #13 0x5f38cf80c6e7 in rb_obj_call_init_kw /tmp/ruby/src/trunk_asan/eval.c:1873:5
    #14 0x5f38cfb43899 in thread_s_new /tmp/ruby/src/trunk_asan/thread.c:916:5
    #15 0x5f38cfc35497 in vm_call_cfunc_with_frame_ /tmp/ruby/src/trunk_asan/vm_insnhelper.c:3784:11
    #16 0x5f38cfbc606a in vm_sendish /tmp/ruby/src/trunk_asan/vm_insnhelper.c:5995:15
    #17 0x5f38cfbcd1a8 in vm_exec_core /tmp/ruby/build/trunk_asan/../../src/trunk_asan/insns.def:1091:11
    #18 0x5f38cfbc7536 in rb_vm_exec /tmp/ruby/src/trunk_asan/vm.c:2621:22
    #19 0x5f38cfc551c1 in invoke_iseq_block_from_c /tmp/ruby/src/trunk_asan/vm.c:1651:12
    #20 0x5f38cfc551c1 in invoke_block_from_c_bh /tmp/ruby/src/trunk_asan/vm.c:1665:20
    #21 0x5f38cfbf86f7 in vm_yield_with_cref /tmp/ruby/src/trunk_asan/vm.c:1702:12
    #22 0x5f38cfbf86f7 in vm_yield /tmp/ruby/src/trunk_asan/vm.c:1710:12
    #23 0x5f38cfbf86f7 in rb_yield_0 /tmp/ruby/src/trunk_asan/vm_eval.c:1362:12
    #24 0x5f38cfbf86f7 in rb_yield /tmp/ruby/src/trunk_asan/vm_eval.c
    #25 0x5f38cfdbb3e2 in rb_ary_collect /tmp/ruby/src/trunk_asan/array.c:3654:30
    #26 0x5f38cfc35497 in vm_call_cfunc_with_frame_ /tmp/ruby/src/trunk_asan/vm_insnhelper.c:3784:11
    #27 0x5f38cfbd3429 in vm_sendish /tmp/ruby/src/trunk_asan/vm_insnhelper.c:5991:15
    #28 0x5f38cfbd3429 in vm_exec_core /tmp/ruby/build/trunk_asan/../../src/trunk_asan/insns.def:851:11
    #29 0x5f38cfbc792a in vm_exec_loop /tmp/ruby/src/trunk_asan/vm.c:2648:22
    #30 0x5f38cfbc792a in rb_vm_exec /tmp/ruby/src/trunk_asan/vm.c:2627:18
    #31 0x5f38cfc551c1 in invoke_iseq_block_from_c /tmp/ruby/src/trunk_asan/vm.c:1651:12
    #32 0x5f38cfc551c1 in invoke_block_from_c_bh /tmp/ruby/src/trunk_asan/vm.c:1665:20
    #33 0x5f38cfbf86f7 in vm_yield_with_cref /tmp/ruby/src/trunk_asan/vm.c:1702:12
    #34 0x5f38cfbf86f7 in vm_yield /tmp/ruby/src/trunk_asan/vm.c:1710:12
    #35 0x5f38cfbf86f7 in rb_yield_0 /tmp/ruby/src/trunk_asan/vm_eval.c:1362:12
    #36 0x5f38cfbf86f7 in rb_yield /tmp/ruby/src/trunk_asan/vm_eval.c
    #37 0x5f38cfdbb3e2 in rb_ary_collect /tmp/ruby/src/trunk_asan/array.c:3654:30
    #38 0x5f38cfc35497 in vm_call_cfunc_with_frame_ /tmp/ruby/src/trunk_asan/vm_insnhelper.c:3784:11
    #39 0x5f38cfbd3429 in vm_sendish /tmp/ruby/src/trunk_asan/vm_insnhelper.c:5991:15
    #40 0x5f38cfbd3429 in vm_exec_core /tmp/ruby/build/trunk_asan/../../src/trunk_asan/insns.def:851:11
    #41 0x5f38cfbc792a in vm_exec_loop /tmp/ruby/src/trunk_asan/vm.c:2648:22
    #42 0x5f38cfbc792a in rb_vm_exec /tmp/ruby/src/trunk_asan/vm.c:2627:18
    #43 0x5f38cfc0f4f7 in rb_iseq_eval_main /tmp/ruby/src/trunk_asan/vm.c:2901:11
    #44 0x5f38cf805cc9 in rb_ec_exec_node /tmp/ruby/src/trunk_asan/eval.c:282:9
    #45 0x5f38cf805cc9 in ruby_run_node /tmp/ruby/src/trunk_asan/eval.c:320:30
    #46 0x5f38cf7fec36 in rb_main /tmp/ruby/src/trunk_asan/main.c:42:12
    #47 0x5f38cf7fec36 in main /tmp/ruby/src/trunk_asan/main.c:62:12
    #48 0x7e23cec2a1c9 in __libc_start_call_main csu/../sysdeps/nptl/libc_start_call_main.h:58:16
    #49 0x7e23cec2a28a in __libc_start_main csu/../csu/libc-start.c:360:3
    #50 0x5f38cf722a04 in _start (/tmp/ruby/build/trunk_asan/ruby+0x16ba04) (BuildId: cdda7004914a7b496213beb8dc4c7d45f40ee2c6)
==1806124==ABORTING
/tmp/ruby/src/trunk_asan/test/ruby/test_thread.rb:1277: [BUG] ASAN error
ruby 3.5.0dev (2025-07-28T22:17:45Z master f1acf47ca2) +PRISM [x86_64-linux]
-- Control frame information -----------------------------------------------
c:0005 p:---- s:0018 e:000017 CFUNC  :fork
c:0004 p:0006 s:0014 e:000012 BLOCK  /tmp/ruby/src/trunk_asan/test/ruby/test_thread.rb:1277 [FINISH]
c:0003 p:---- s:0010 e:000009 CFUNC  :synchronize
c:0002 p:0006 s:0006 e:000005 BLOCK  /tmp/ruby/src/trunk_asan/test/ruby/test_thread.rb:1277 [FINISH]
c:0001 p:---- s:0003 e:000002 DUMMY  [FINISH]
-- Ruby level backtrace information ----------------------------------------
/tmp/ruby/src/trunk_asan/test/ruby/test_thread.rb:1277:in 'block (2 levels) in test_fork_while_locked'
/tmp/ruby/src/trunk_asan/test/ruby/test_thread.rb:1277:in 'synchronize'
/tmp/ruby/src/trunk_asan/test/ruby/test_thread.rb:1277:in 'block (3 levels) in test_fork_while_locked'
/tmp/ruby/src/trunk_asan/test/ruby/test_thread.rb:1277:in 'fork'
-- Threading information ---------------------------------------------------
Total ractor count: 1
Ruby thread count for this ractor: 1
-- C level backtrace information -------------------------------------------
    #0 0x5f38cf8364bb in RB_BUILTIN_TYPE /tmp/ruby/src/trunk_asan/include/ruby/internal/value_type.h:191:30
    #1 0x5f38cf8364bb in rb_gc_shutdown_call_finalizer_p /tmp/ruby/src/trunk_asan/gc.c:357:18
    #2 0x5f38cf8364bb in rb_gc_impl_shutdown_call_finalizer /tmp/ruby/src/trunk_asan/gc/default/default.c:3045:21
    #3 0x5f38cf8364bb in rb_objspace_call_finalizer /tmp/ruby/src/trunk_asan/gc.c:1739:5
    #4 0x5f38cf8051b2 in rb_ec_finalize /tmp/ruby/src/trunk_asan/eval.c:165:5
    #5 0x5f38cf8051b2 in rb_ec_cleanup /tmp/ruby/src/trunk_asan/eval.c:256:5
    #6 0x5f38cf8048a3 in ruby_cleanup /tmp/ruby/src/trunk_asan/eval.c:179:12
    #7 0x5f38cf8057ba in ruby_stop /tmp/ruby/src/trunk_asan/eval.c:291:10
    #8 0x5f38cf9aaa2c in rb_f_fork /tmp/ruby/src/trunk_asan/process.c:4291:13
    #9 0x5f38cfc35497 in vm_call_cfunc_with_frame_ /tmp/ruby/src/trunk_asan/vm_insnhelper.c:3784:11
    #10 0x5f38cfbd3429 in vm_sendish /tmp/ruby/src/trunk_asan/vm_insnhelper.c:5991:15
    #11 0x5f38cfbd3429 in vm_exec_core /tmp/ruby/build/trunk_asan/../../src/trunk_asan/insns.def:851:11
    #12 0x5f38cfbc7536 in rb_vm_exec /tmp/ruby/src/trunk_asan/vm.c:2621:22
    #13 0x5f38cfc551c1 in invoke_iseq_block_from_c /tmp/ruby/src/trunk_asan/vm.c:1651:12
    #14 0x5f38cfc551c1 in invoke_block_from_c_bh /tmp/ruby/src/trunk_asan/vm.c:1665:20
    #15 0x5f38cfbf86f7 in vm_yield_with_cref /tmp/ruby/src/trunk_asan/vm.c:1702:12
    #16 0x5f38cfbf86f7 in vm_yield /tmp/ruby/src/trunk_asan/vm.c:1710:12
    #17 0x5f38cfbf86f7 in rb_yield_0 /tmp/ruby/src/trunk_asan/vm_eval.c:1362:12
    #18 0x5f38cfbf86f7 in rb_yield /tmp/ruby/src/trunk_asan/vm_eval.c
    #19 0x5f38cf80a946 in rb_ensure /tmp/ruby/src/trunk_asan/eval.c:1173:18
    #20 0x5f38cfc35497 in vm_call_cfunc_with_frame_ /tmp/ruby/src/trunk_asan/vm_insnhelper.c:3784:11
    #21 0x5f38cfbd3429 in vm_sendish /tmp/ruby/src/trunk_asan/vm_insnhelper.c:5991:15
    #22 0x5f38cfbd3429 in vm_exec_core /tmp/ruby/build/trunk_asan/../../src/trunk_asan/insns.def:851:11
    #23 0x5f38cfbc7536 in rb_vm_exec /tmp/ruby/src/trunk_asan/vm.c:2621:22
    #24 0x5f38cfc0a6aa in invoke_iseq_block_from_c /tmp/ruby/src/trunk_asan/vm.c:1651:12
    #25 0x5f38cfc0a6aa in invoke_block_from_c_proc /tmp/ruby/src/trunk_asan/vm.c:1745:16
    #26 0x5f38cfc0a6aa in vm_invoke_proc /tmp/ruby/src/trunk_asan/vm.c:1775:12
    #27 0x5f38cfc08925 in rb_vm_invoke_proc /tmp/ruby/src/trunk_asan/vm.c:1796:16
    #28 0x5f38cfb52a9c in thread_do_start_proc /tmp/ruby/src/trunk_asan/thread.c:605:16
    #29 0x5f38cfb50605 in thread_do_start /tmp/ruby/src/trunk_asan/thread.c:622:18
    #30 0x5f38cfb50605 in thread_start_func_2 /tmp/ruby/src/trunk_asan/thread.c:677:18
    #31 0x5f38cfb4f8ed in call_thread_start_func_2 /tmp/ruby/src/trunk_asan/thread_pthread.c:2237:5
    #32 0x5f38cfb4f8ed in nt_start /tmp/ruby/src/trunk_asan/thread_pthread.c:2282:13
    #33 0x5f38cf7beb7e in asan_thread_start(void*) asan_interceptors.cpp.o
    #34 0x7e23cec9caa3 in start_thread nptl/pthread_create.c:447:8
    #35 0x7e23ced29c3b in clone3 misc/../sysdeps/unix/sysv/linux/x86_64/clone3.S:78
Address 0x7e23a4a34350 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:
  0x7e23a4a34080: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
  0x7e23a4a34100: 00 00 00 00 f7 f7 f7 f7 f7 f7 f7 f7 f7 f7 f7 f7
  0x7e23a4a34180: f7 f7 f7 f7 f7 f7 f7 f7 f7 f7 f7 f7 f7 f7 f7 f7
  0x7e23a4a34200: f7 f7 f7 f7 f7 f7 f7 f7 f7 f7 f7 f7 f7 f7 f7 f7
  0x7e23a4a34280: f7 f7 f7 f7 f7 f7 f7 f7 f7 f7 f7 f7 f7 f7 f7 f7
=>0x7e23a4a34300: f7 f7 f7 f7 f7 f7 f7 f7 f7 f7[f7]f7 f7 f7 f7 f7
  0x7e23a4a34380: f7 f7 f7 f7 f7 f7 f7 f7 f7 f7 f7 f7 f7 f7 f7 f7
  0x7e23a4a34400: f7 f7 f7 f7 f7 f7 f7 f7 f7 f7 f7 f7 f7 f7 f7 f7
  0x7e23a4a34480: f7 f7 f7 f7 f7 f7 f7 f7 f7 f7 f7 f7 f7 f7 f7 f7
  0x7e23a4a34500: f7 f7 f7 f7 f7 f7 f7 f7 f7 f7 f7 f7 f7 f7 f7 f7
  0x7e23a4a34580: f7 f7 f7 f7 f7 f7 f7 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
Thread T142 created by T0 here:
    #0 0x5f38cf7a6821 in pthread_create (/tmp/ruby/build/trunk_asan/ruby+0x1ef821) (BuildId: cdda7004914a7b496213beb8dc4c7d45f40ee2c6)
    #1 0x5f38cfb2e362 in native_thread_create0 /tmp/ruby/src/trunk_asan/thread_pthread.c:2151:11
    #2 0x5f38cfb2e362 in native_thread_create_dedicated /tmp/ruby/src/trunk_asan/thread_pthread.c:2216:15
    #3 0x5f38cfb2e362 in native_thread_create /tmp/ruby/src/trunk_asan/thread_pthread.c:2399:16
    #4 0x5f38cfb2e362 in thread_create_core /tmp/ruby/src/trunk_asan/thread.c:875:11
    #5 0x5f38cfb46630 in thread_initialize /tmp/ruby/src/trunk_asan/thread.c:983:16
    #6 0x5f38cfc4b430 in vm_call0_cfunc_with_frame /tmp/ruby/src/trunk_asan/vm_eval.c:164:15
    #7 0x5f38cfc4b430 in vm_call0_cfunc /tmp/ruby/src/trunk_asan/vm_eval.c:178:12
    #8 0x5f38cfc4b430 in vm_call0_body /tmp/ruby/src/trunk_asan/vm_eval.c:229:15
    #9 0x5f38cfc50178 in vm_call0_cc /tmp/ruby/src/trunk_asan/vm_eval.c:101:12
    #10 0x5f38cfc50178 in rb_call0 /tmp/ruby/src/trunk_asan/vm_eval.c:572:12
    #11 0x5f38cfbf5f36 in rb_call /tmp/ruby/src/trunk_asan/vm_eval.c:891:12
    #12 0x5f38cfbf5f36 in rb_funcallv_kw /tmp/ruby/src/trunk_asan/vm_eval.c:1088:12
    #13 0x5f38cf80c6e7 in rb_obj_call_init_kw /tmp/ruby/src/trunk_asan/eval.c:1873:5
    #14 0x5f38cfb43899 in thread_s_new /tmp/ruby/src/trunk_asan/thread.c:916:5
    #15 0x5f38cfc35497 in vm_call_cfunc_with_frame_ /tmp/ruby/src/trunk_asan/vm_insnhelper.c:3784:11
    #16 0x5f38cfbc606a in vm_sendish /tmp/ruby/src/trunk_asan/vm_insnhelper.c:5995:15
    #17 0x5f38cfbcd1a8 in vm_exec_core /tmp/ruby/build/trunk_asan/../../src/trunk_asan/insns.def:1091:11
    #18 0x5f38cfbc7536 in rb_vm_exec /tmp/ruby/src/trunk_asan/vm.c:2621:22
    #19 0x5f38cfc551c1 in invoke_iseq_block_from_c /tmp/ruby/src/trunk_asan/vm.c:1651:12
    #20 0x5f38cfc551c1 in invoke_block_from_c_bh /tmp/ruby/src/trunk_asan/vm.c:1665:20
    #21 0x5f38cfbf86f7 in vm_yield_with_cref /tmp/ruby/src/trunk_asan/vm.c:1702:12
    #22 0x5f38cfbf86f7 in vm_yield /tmp/ruby/src/trunk_asan/vm.c:1710:12
    #23 0x5f38cfbf86f7 in rb_yield_0 /tmp/ruby/src/trunk_asan/vm_eval.c:1362:12
    #24 0x5f38cfbf86f7 in rb_yield /tmp/ruby/src/trunk_asan/vm_eval.c
    #25 0x5f38cfdbb3e2 in rb_ary_collect /tmp/ruby/src/trunk_asan/array.c:3654:30
    #26 0x5f38cfc35497 in vm_call_cfunc_with_frame_ /tmp/ruby/src/trunk_asan/vm_insnhelper.c:3784:11
    #27 0x5f38cfbd3429 in vm_sendish /tmp/ruby/src/trunk_asan/vm_insnhelper.c:5991:15
    #28 0x5f38cfbd3429 in vm_exec_core /tmp/ruby/build/trunk_asan/../../src/trunk_asan/insns.def:851:11
    #29 0x5f38cfbc792a in vm_exec_loop /tmp/ruby/src/trunk_asan/vm.c:2648:22
    #30 0x5f38cfbc792a in rb_vm_exec /tmp/ruby/src/trunk_asan/vm.c:2627:18
    #31 0x5f38cfc551c1 in invoke_iseq_block_from_c /tmp/ruby/src/trunk_asan/vm.c:1651:12
    #32 0x5f38cfc551c1 in invoke_block_from_c_bh /tmp/ruby/src/trunk_asan/vm.c:1665:20
    #33 0x5f38cfbf86f7 in vm_yield_with_cref /tmp/ruby/src/trunk_asan/vm.c:1702:12
    #34 0x5f38cfbf86f7 in vm_yield /tmp/ruby/src/trunk_asan/vm.c:1710:12
    #35 0x5f38cfbf86f7 in rb_yield_0 /tmp/ruby/src/trunk_asan/vm_eval.c:1362:12
    #36 0x5f38cfbf86f7 in rb_yield /tmp/ruby/src/trunk_asan/vm_eval.c
    #37 0x5f38cfdbb3e2 in rb_ary_collect /tmp/ruby/src/trunk_asan/array.c:3654:30
    #38 0x5f38cfc35497 in vm_call_cfunc_with_frame_ /tmp/ruby/src/trunk_asan/vm_insnhelper.c:3784:11
    #39 0x5f38cfbd3429 in vm_sendish /tmp/ruby/src/trunk_asan/vm_insnhelper.c:5991:15
    #40 0x5f38cfbd3429 in vm_exec_core /tmp/ruby/build/trunk_asan/../../src/trunk_asan/insns.def:851:11
    #41 0x5f38cfbc792a in vm_exec_loop /tmp/ruby/src/trunk_asan/vm.c:2648:22
    #42 0x5f38cfbc792a in rb_vm_exec /tmp/ruby/src/trunk_asan/vm.c:2627:18
    #43 0x5f38cfc0f4f7 in rb_iseq_eval_main /tmp/ruby/src/trunk_asan/vm.c:2901:11
    #44 0x5f38cf805cc9 in rb_ec_exec_node /tmp/ruby/src/trunk_asan/eval.c:282:9
    #45 0x5f38cf805cc9 in ruby_run_node /tmp/ruby/src/trunk_asan/eval.c:320:30
    #46 0x5f38cf7fec36 in rb_main /tmp/ruby/src/trunk_asan/main.c:42:12
    #47 0x5f38cf7fec36 in main /tmp/ruby/src/trunk_asan/main.c:62:12
    #48 0x7e23cec2a1c9 in __libc_start_call_main csu/../sysdeps/nptl/libc_start_call_main.h:58:16
    #49 0x7e23cec2a28a in __libc_start_main csu/../csu/libc-start.c:360:3
    #50 0x5f38cf722a04 in _start (/tmp/ruby/build/trunk_asan/ruby+0x16ba04) (BuildId: cdda7004914a7b496213beb8dc4c7d45f40ee2c6)
==1806130==ABORTING
/tmp/ruby/src/trunk_asan/test/ruby/test_thread.rb:1277: [BUG] ASAN error
ruby 3.5.0dev (2025-07-28T22:17:45Z master f1acf47ca2) +PRISM [x86_64-linux]
-- Control frame information -----------------------------------------------
c:0005 p:---- s:0018 e:000017 CFUNC  :fork
c:0004 p:0006 s:0014 e:000012 BLOCK  /tmp/ruby/src/trunk_asan/test/ruby/test_thread.rb:1277 [FINISH]
c:0003 p:---- s:0010 e:000009 CFUNC  :synchronize
c:0002 p:0006 s:0006 e:000005 BLOCK  /tmp/ruby/src/trunk_asan/test/ruby/test_thread.rb:1277 [FINISH]
c:0001 p:---- s:0003 e:000002 DUMMY  [FINISH]
-- Ruby level backtrace information ----------------------------------------
/tmp/ruby/src/trunk_asan/test/ruby/test_thread.rb:1277:in 'block (2 levels) in test_fork_while_locked'
/tmp/ruby/src/trunk_asan/test/ruby/test_thread.rb:1277:in 'synchronize'
/tmp/ruby/src/trunk_asan/test/ruby/test_thread.rb:1277:in 'block (3 levels) in test_fork_while_locked'
/tmp/ruby/src/trunk_asan/test/ruby/test_thread.rb:1277:in 'fork'
-- Threading information ---------------------------------------------------
Total ractor count: 1
Ruby thread count for this ractor: 1
-- C level backtrace information -------------------------------------------
/tmp/ruby/src/trunk_asan/tool/lib/test/unit/parallel.rb: TestThread#test_fork_while_locked(___interceptor_backtrace) [0x5f38cf768de9]
/tmp/ruby/build/trunk_asan/ruby(rb_print_backtrace+0x14) [0x5f38d00b7e08] /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) [0x5f38cfffd215] /tmp/ruby/src/trunk_asan/error.c:1097
/tmp/ruby/build/trunk_asan/ruby(rb_bug_without_die+0x12c) [0x5f38cfffceac] /tmp/ruby/src/trunk_asan/error.c:1106
/tmp/ruby/src/trunk_asan/tool/lib/test/unit/parallel.rb: TestThread#test_fork_while_locked(0x5f38cf7e530a) [0x5f38cf7e530a]
/tmp/ruby/src/trunk_asan/tool/lib/test/unit/parallel.rb: TestThread#test_fork_while_locked(0x5f38cf7c5d8f) [0x5f38cf7c5d8f]
/tmp/ruby/src/trunk_asan/tool/lib/test/unit/parallel.rb: TestThread#test_fork_while_locked(0x5f38cf7c8e1d) [0x5f38cf7c8e1d]
/tmp/ruby/src/trunk_asan/tool/lib/test/unit/parallel.rb: TestThread#test_fork_while_locked(__asan_report_load8) [0x5f38cf7c9b7c]
/tmp/ruby/build/trunk_asan/ruby(rb_objspace_call_finalizer+0xfec) [0x5f38cf8364bc] /tmp/ruby/src/trunk_asan/include/ruby/internal/value_type.h:191
/tmp/ruby/build/trunk_asan/ruby(rb_ec_finalize+0x2a) [0x5f38cf8051b3] /tmp/ruby/src/trunk_asan/eval.c:165
/tmp/ruby/build/trunk_asan/ruby(rb_ec_cleanup) /tmp/ruby/src/trunk_asan/eval.c:256
/tmp/ruby/build/trunk_asan/ruby(ruby_cleanup+0x104) [0x5f38cf8048a4] /tmp/ruby/src/trunk_asan/eval.c:179
/tmp/ruby/build/trunk_asan/ruby(ruby_stop+0xb) [0x5f38cf8057bb] /tmp/ruby/src/trunk_asan/eval.c:291
/tmp/ruby/build/trunk_asan/ruby(rb_f_fork+0x16d) [0x5f38cf9aaa2d] /tmp/ruby/src/trunk_asan/process.c:4291
/tmp/ruby/build/trunk_asan/ruby(vm_cfp_consistent_p+0x0) [0x5f38cfc35498] /tmp/ruby/src/trunk_asan/vm_insnhelper.c:3784
/tmp/ruby/build/trunk_asan/ruby(vm_call_cfunc_with_frame_) /tmp/ruby/src/trunk_asan/vm_insnhelper.c:3786
/tmp/ruby/build/trunk_asan/ruby(vm_sendish+0x149) [0x5f38cfbd342a] /tmp/ruby/src/trunk_asan/vm_insnhelper.c:5991
/tmp/ruby/build/trunk_asan/ruby(vm_exec_core) ../../src/trunk_asan/insns.def:851
/tmp/ruby/build/trunk_asan/ruby(rb_vm_exec+0x4e7) [0x5f38cfbc7537] /tmp/ruby/src/trunk_asan/vm.c:2621
/tmp/ruby/build/trunk_asan/ruby(invoke_iseq_block_from_c+0x701) [0x5f38cfc551c2] /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) [0x5f38cfbf86f8] /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_ensure+0x3f7) [0x5f38cf80a947] /tmp/ruby/src/trunk_asan/eval.c:1173
/tmp/ruby/build/trunk_asan/ruby(vm_cfp_consistent_p+0x0) [0x5f38cfc35498] /tmp/ruby/src/trunk_asan/vm_insnhelper.c:3784
/tmp/ruby/build/trunk_asan/ruby(vm_call_cfunc_with_frame_) /tmp/ruby/src/trunk_asan/vm_insnhelper.c:3786
/tmp/ruby/build/trunk_asan/ruby(vm_sendish+0x149) [0x5f38cfbd342a] /tmp/ruby/src/trunk_asan/vm_insnhelper.c:5991
/tmp/ruby/build/trunk_asan/ruby(vm_exec_core) ../../src/trunk_asan/insns.def:851
/tmp/ruby/build/trunk_asan/ruby(rb_vm_exec+0x4e7) [0x5f38cfbc7537] /tmp/ruby/src/trunk_asan/vm.c:2621
/tmp/ruby/build/trunk_asan/ruby(invoke_iseq_block_from_c+0x1ee) [0x5f38cfc0a6ab] /tmp/ruby/src/trunk_asan/vm.c:1651
/tmp/ruby/build/trunk_asan/ruby(invoke_block_from_c_proc) /tmp/ruby/src/trunk_asan/vm.c:1745
/tmp/ruby/build/trunk_asan/ruby(vm_invoke_proc) /tmp/ruby/src/trunk_asan/vm.c:1775
/tmp/ruby/build/trunk_asan/ruby(rb_vm_invoke_proc+0xd6) [0x5f38cfc08926] /tmp/ruby/src/trunk_asan/vm.c:1796
/tmp/ruby/build/trunk_asan/ruby(thread_do_start_proc+0x7dd) [0x5f38cfb52a9d] /tmp/ruby/src/trunk_asan/thread.c:605
/tmp/ruby/build/trunk_asan/ruby(thread_do_start+0x197) [0x5f38cfb50606] /tmp/ruby/src/trunk_asan/thread.c:622
/tmp/ruby/build/trunk_asan/ruby(thread_start_func_2) /tmp/ruby/src/trunk_asan/thread.c:677
/tmp/ruby/build/trunk_asan/ruby(call_thread_start_func_2+0x52) [0x5f38cfb4f8ee] /tmp/ruby/src/trunk_asan/thread_pthread.c:2237
/tmp/ruby/build/trunk_asan/ruby(nt_start) /tmp/ruby/src/trunk_asan/thread_pthread.c:2282
/tmp/ruby/src/trunk_asan/tool/lib/test/unit/parallel.rb: TestThread#test_fork_while_locked(0x5f38cf7beb7f) [0x5f38cf7beb7f]
/lib/x86_64-linux-gnu/libc.so.6(start_thread+0x384) [0x7e23cec9caa4] ./nptl/pthread_create.c:447
/lib/x86_64-linux-gnu/libc.so.6(clone3+0x2c) [0x7e23ced29c3c] ../sysdeps/unix/sysv/linux/x86_64/clone3.S:78
/lib/x86_64-linux-gnu/libc.so.6(__GI___clone3) (null):0
/lib/x86_64-linux-gnu/libc.so.6(__clone3) (null):0
-- Other runtime information -----------------------------------------------
/tmp/ruby/src/trunk_asan/tool/lib/test/unit/parallel.rb(___interceptor_backtrace) [0x5f38cf768de9]
/tmp/ruby/build/trunk_asan/ruby(rb_print_backtrace+0x14) [0x5f38d00b7e08] /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) [0x5f38cfffd215] /tmp/ruby/src/trunk_asan/error.c:1097
/tmp/ruby/build/trunk_asan/ruby(rb_bug_without_die+0x12c) [0x5f38cfffceac] /tmp/ruby/src/trunk_asan/error.c:1106
/tmp/ruby/src/trunk_asan/tool/lib/test/unit/parallel.rb(0x5f38cf7e530a) [0x5f38cf7e530a]
/tmp/ruby/src/trunk_asan/tool/lib/test/unit/parallel.rb(0x5f38cf7c5d8f) [0x5f38cf7c5d8f]
/tmp/ruby/src/trunk_asan/tool/lib/test/unit/parallel.rb(0x5f38cf7c8e1d) [0x5f38cf7c8e1d]
/tmp/ruby/src/trunk_asan/tool/lib/test/unit/parallel.rb(__asan_report_load8) [0x5f38cf7c9b7c]
/tmp/ruby/build/trunk_asan/ruby(rb_objspace_call_finalizer+0xfec) [0x5f38cf8364bc] /tmp/ruby/src/trunk_asan/include/ruby/internal/value_type.h:191
/tmp/ruby/build/trunk_asan/ruby(rb_ec_finalize+0x2a) [0x5f38cf8051b3] /tmp/ruby/src/trunk_asan/eval.c:165
/tmp/ruby/build/trunk_asan/ruby(rb_ec_cleanup) /tmp/ruby/src/trunk_asan/eval.c:256
/tmp/ruby/build/trunk_asan/ruby(ruby_cleanup+0x104) [0x5f38cf8048a4] /tmp/ruby/src/trunk_asan/eval.c:179
/tmp/ruby/build/trunk_asan/ruby(ruby_stop+0xb) [0x5f38cf8057bb] /tmp/ruby/src/trunk_asan/eval.c:291
/tmp/ruby/build/trunk_asan/ruby(rb_f_fork+0x16d) [0x5f38cf9aaa2d] /tmp/ruby/src/trunk_asan/process.c:4291
/tmp/ruby/build/trunk_asan/ruby(vm_cfp_consistent_p+0x0) [0x5f38cfc35498] /tmp/ruby/src/trunk_asan/vm_insnhelper.c:3784
/tmp/ruby/build/trunk_asan/ruby(vm_call_cfunc_with_frame_) /tmp/ruby/src/trunk_asan/vm_insnhelper.c:3786
/tmp/ruby/build/trunk_asan/ruby(vm_sendish+0x149) [0x5f38cfbd342a] /tmp/ruby/src/trunk_asan/vm_insnhelper.c:5991
/tmp/ruby/build/trunk_asan/ruby(vm_exec_core) ../../src/trunk_asan/insns.def:851
/tmp/ruby/build/trunk_asan/ruby(rb_vm_exec+0x4e7) [0x5f38cfbc7537] /tmp/ruby/src/trunk_asan/vm.c:2621
/tmp/ruby/build/trunk_asan/ruby(invoke_iseq_block_from_c+0x701) [0x5f38cfc551c2] /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) [0x5f38cfbf86f8] /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_ensure+0x3f7) [0x5f38cf80a947] /tmp/ruby/src/trunk_asan/eval.c:1173
/tmp/ruby/build/trunk_asan/ruby(vm_cfp_consistent_p+0x0) [0x5f38cfc35498] /tmp/ruby/src/trunk_asan/vm_insnhelper.c:3784
/tmp/ruby/build/trunk_asan/ruby(vm_call_cfunc_with_frame_) /tmp/ruby/src/trunk_asan/vm_insnhelper.c:3786
/tmp/ruby/build/trunk_asan/ruby(vm_sendish+0x149) [0x5f38cfbd342a] /tmp/ruby/src/trunk_asan/vm_insnhelper.c:5991
/tmp/ruby/build/trunk_asan/ruby(vm_exec_core) ../../src/trunk_asan/insns.def:851
/tmp/ruby/build/trunk_asan/ruby(rb_vm_exec+0x4e7) [0x5f38cfbc7537] /tmp/ruby/src/trunk_asan/vm.c:2621
/tmp/ruby/build/trunk_asan/ruby(invoke_iseq_block_from_c+0x1ee) [0x5f38cfc0a6ab] /tmp/ruby/src/trunk_asan/vm.c:1651
/tmp/ruby/build/trunk_asan/ruby(invoke_block_from_c_proc) /tmp/ruby/src/trunk_asan/vm.c:1745
/tmp/ruby/build/trunk_asan/ruby(vm_invoke_proc) /tmp/ruby/src/trunk_asan/vm.c:1775
/tmp/ruby/build/trunk_asan/ruby(rb_vm_invoke_proc+0xd6) [0x5f38cfc08926] /tmp/ruby/src/trunk_asan/vm.c:1796
/tmp/ruby/build/trunk_asan/ruby(thread_do_start_proc+0x7dd) [0x5f38cfb52a9d] /tmp/ruby/src/trunk_asan/thread.c:605
/tmp/ruby/build/trunk_asan/ruby(thread_do_start+0x197) [0x5f38cfb50606] /tmp/ruby/src/trunk_asan/thread.c:622
/tmp/ruby/build/trunk_asan/ruby(thread_start_func_2) /tmp/ruby/src/trunk_asan/thread.c:677
/tmp/ruby/build/trunk_asan/ruby(call_thread_start_func_2+0x52) [0x5f38cfb4f8ee] /tmp/ruby/src/trunk_asan/thread_pthread.c:2237
/tmp/ruby/build/trunk_asan/ruby(nt_start) /tmp/ruby/src/trunk_asan/thread_pthread.c:2282
/tmp/ruby/src/trunk_asan/tool/lib/test/unit/parallel.rb(0x5f38cf7beb7f) [0x5f38cf7beb7f]
/lib/x86_64-linux-gnu/libc.so.6(start_thread+0x384) [0x7e23cec9caa4] ./nptl/pthread_create.c:447
/lib/x86_64-linux-gnu/libc.so.6(clone3+0x2c) [0x7e23ced29c3c] ../sysdeps/unix/sysv/linux/x86_64/clone3.S:78
/lib/x86_64-linux-gnu/libc.so.6(__GI___clone3) (null):0
/lib/x86_64-linux-gnu/libc.so.6(__clone3) (null):0
-- Other runtime information -----------------------------------------------
=================================================================
==1832381==ERROR: AddressSanitizer: use-after-poison on address 0x7b9ebf34d260 at pc 0x5ca551ea34bc bp 0x7ffc76b88030 sp 0x7ffc76b88028
READ of size 8 at 0x7b9ebf34d260 thread T0
=================================================================
==1790472==ERROR: AddressSanitizer: use-after-poison on address 0x787f720a14b8 at pc 0x5ea2a85674bc bp 0x7ffc1aaecfd0 sp 0x7ffc1aaecfc8
READ of size 8 at 0x787f720a14b8 thread T0
    #0 0x5ca551ea34bb in RB_BUILTIN_TYPE /tmp/ruby/src/trunk_asan/include/ruby/internal/value_type.h:191:30
    #1 0x5ca551ea34bb in rb_gc_shutdown_call_finalizer_p /tmp/ruby/src/trunk_asan/gc.c:357:18
    #2 0x5ca551ea34bb in rb_gc_impl_shutdown_call_finalizer /tmp/ruby/src/trunk_asan/gc/default/default.c:3045:21
    #3 0x5ca551ea34bb in rb_objspace_call_finalizer /tmp/ruby/src/trunk_asan/gc.c:1739:5
    #4 0x5ca551e721b2 in rb_ec_finalize /tmp/ruby/src/trunk_asan/eval.c:165:5
    #5 0x5ca551e721b2 in rb_ec_cleanup /tmp/ruby/src/trunk_asan/eval.c:256:5
    #6 0x5ca551e718a3 in ruby_cleanup /tmp/ruby/src/trunk_asan/eval.c:179:12
    #7 0x5ca551e727ba in ruby_stop /tmp/ruby/src/trunk_asan/eval.c:291:10
    #8 0x5ca552017a2c in rb_f_fork /tmp/ruby/src/trunk_asan/process.c:4291:13
    #9 0x5ca5522a2497 in vm_call_cfunc_with_frame_ /tmp/ruby/src/trunk_asan/vm_insnhelper.c:3784:11
    #10 0x5ca5522878b4 in vm_call_method_each_type /tmp/ruby/src/trunk_asan/vm_insnhelper.c:4763:16
    #11 0x5ca552287344 in vm_call_method /tmp/ruby/src/trunk_asan/vm_insnhelper.c
    #12 0x5ca552240429 in vm_sendish /tmp/ruby/src/trunk_asan/vm_insnhelper.c:5991:15
    #13 0x5ca552240429 in vm_exec_core /tmp/ruby/build/trunk_asan/../../src/trunk_asan/insns.def:851:11
    #14 0x5ca552234536 in rb_vm_exec /tmp/ruby/src/trunk_asan/vm.c:2621:22
    #15 0x5ca5522c21c1 in invoke_iseq_block_from_c /tmp/ruby/src/trunk_asan/vm.c:1651:12
    #16 0x5ca5522c21c1 in invoke_block_from_c_bh /tmp/ruby/src/trunk_asan/vm.c:1665:20
    #17 0x5ca5522656f7 in vm_yield_with_cref /tmp/ruby/src/trunk_asan/vm.c:1702:12
    #18 0x5ca5522656f7 in vm_yield /tmp/ruby/src/trunk_asan/vm.c:1710:12
    #19 0x5ca5522656f7 in rb_yield_0 /tmp/ruby/src/trunk_asan/vm_eval.c:1362:12
    #20 0x5ca5522656f7 in rb_yield /tmp/ruby/src/trunk_asan/vm_eval.c
    #21 0x5ca5524283e2 in rb_ary_collect /tmp/ruby/src/trunk_asan/array.c:3654:30
    #22 0x5ca5522a2497 in vm_call_cfunc_with_frame_ /tmp/ruby/src/trunk_asan/vm_insnhelper.c:3784:11
    #23 0x5ca552240429 in vm_sendish /tmp/ruby/src/trunk_asan/vm_insnhelper.c:5991:15
    #24 0x5ca552240429 in vm_exec_core /tmp/ruby/build/trunk_asan/../../src/trunk_asan/insns.def:851:11
    #25 0x5ca55223492a in vm_exec_loop /tmp/ruby/src/trunk_asan/vm.c:2648:22
    #26 0x5ca55223492a in rb_vm_exec /tmp/ruby/src/trunk_asan/vm.c:2627:18
    #27 0x5ca5522c21c1 in invoke_iseq_block_from_c /tmp/ruby/src/trunk_asan/vm.c:1651:12
    #28 0x5ca5522c21c1 in invoke_block_from_c_bh /tmp/ruby/src/trunk_asan/vm.c:1665:20
    #29 0x5ca5522656f7 in vm_yield_with_cref /tmp/ruby/src/trunk_asan/vm.c:1702:12
    #30 0x5ca5522656f7 in vm_yield /tmp/ruby/src/trunk_asan/vm.c:1710:12
    #31 0x5ca5522656f7 in rb_yield_0 /tmp/ruby/src/trunk_asan/vm_eval.c:1362:12
    #32 0x5ca5522656f7 in rb_yield /tmp/ruby/src/trunk_asan/vm_eval.c
    #33 0x5ca5524283e2 in rb_ary_collect /tmp/ruby/src/trunk_asan/array.c:3654:30
    #34 0x5ca5522a2497 in vm_call_cfunc_with_frame_ /tmp/ruby/src/trunk_asan/vm_insnhelper.c:3784:11
    #35 0x5ca552240429 in vm_sendish /tmp/ruby/src/trunk_asan/vm_insnhelper.c:5991:15
    #36 0x5ca552240429 in vm_exec_core /tmp/ruby/build/trunk_asan/../../src/trunk_asan/insns.def:851:11
    #37 0x5ca55223492a in vm_exec_loop /tmp/ruby/src/trunk_asan/vm.c:2648:22
    #38 0x5ca55223492a in rb_vm_exec /tmp/ruby/src/trunk_asan/vm.c:2627:18
    #39 0x5ca55227c4f7 in rb_iseq_eval_main /tmp/ruby/src/trunk_asan/vm.c:2901:11
    #40 0x5ca551e72cc9 in rb_ec_exec_node /tmp/ruby/src/trunk_asan/eval.c:282:9
    #41 0x5ca551e72cc9 in ruby_run_node /tmp/ruby/src/trunk_asan/eval.c:320:30
    #42 0x5ca551e6bc36 in rb_main /tmp/ruby/src/trunk_asan/main.c:42:12
    #43 0x5ca551e6bc36 in main /tmp/ruby/src/trunk_asan/main.c:62:12
    #44 0x7b9ee2e2a1c9 in __libc_start_call_main csu/../sysdeps/nptl/libc_start_call_main.h:58:16
    #45 0x7b9ee2e2a28a in __libc_start_main csu/../csu/libc-start.c:360:3
    #46 0x5ca551d8fa04 in _start (/tmp/ruby/build/trunk_asan/ruby+0x16ba04) (BuildId: cdda7004914a7b496213beb8dc4c7d45f40ee2c6)
Address 0x7b9ebf34d260 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:
  0x7b9ebf34cf80: f7 f7 f7 f7 f7 f7 f7 f7 f7 f7 f7 f7 f7 f7 f7 f7
  0x7b9ebf34d000: f7 f7 f7 f7 f7 f7 f7 f7 f7 f7 f7 f7 f7 f7 f7 f7
  0x7b9ebf34d080: f7 f7 f7 f7 f7 f7 f7 f7 f7 f7 f7 f7 f7 f7 f7 f7
  0x7b9ebf34d100: f7 f7 f7 f7 f7 f7 f7 f7 f7 f7 f7 f7 f7 f7 f7 f7
  0x7b9ebf34d180: f7 f7 f7 f7 f7 f7 f7 f7 f7 f7 f7 f7 f7 f7 f7 f7
=>0x7b9ebf34d200: f7 f7 f7 f7 f7 f7 f7 f7 f7 f7 f7 f7[f7]f7 f7 f7
  0x7b9ebf34d280: f7 f7 f7 f7 f7 f7 f7 f7 f7 f7 f7 f7 f7 f7 f7 f7
  0x7b9ebf34d300: f7 f7 f7 f7 f7 f7 f7 f7 f7 f7 f7 f7 f7 f7 f7 f7
  0x7b9ebf34d380: f7 f7 f7 f7 f7 f7 f7 f7 f7 f7 f7 f7 f7 f7 f7 f7
  0x7b9ebf34d400: f7 f7 f7 f7 f7 f7 f7 f7 f7 f7 f7 f7 f7 f7 f7 f7
  0x7b9ebf34d480: f7 f7 f7 f7 f7 f7 f7 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
==1832381==ABORTING
/tmp/ruby/src/trunk_asan/test/ruby/test_signal.rb:317: [BUG] ASAN error
ruby 3.5.0dev (2025-07-28T22:17:45Z master f1acf47ca2) +PRISM [x86_64-linux]
-- Control frame information -----------------------------------------------
c:0015 p:---- s:0102 e:000101 CFUNC  :fork
c:0014 p:0038 s:0098 e:000097 METHOD /tmp/ruby/src/trunk_asan/test/ruby/test_signal.rb:317
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:000920 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:001de0 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_signal.rb:317:in 'test_self_stop'
/tmp/ruby/src/trunk_asan/test/ruby/test_signal.rb:317:in 'fork'
-- Threading information ---------------------------------------------------
Total ractor count: 1
Ruby thread count for this ractor: 1
-- C level backtrace information -------------------------------------------
    #0 0x5ea2a85674bb in RB_BUILTIN_TYPE /tmp/ruby/src/trunk_asan/include/ruby/internal/value_type.h:191:30
    #1 0x5ea2a85674bb in rb_gc_shutdown_call_finalizer_p /tmp/ruby/src/trunk_asan/gc.c:357:18
    #2 0x5ea2a85674bb in rb_gc_impl_shutdown_call_finalizer /tmp/ruby/src/trunk_asan/gc/default/default.c:3045:21
    #3 0x5ea2a85674bb in rb_objspace_call_finalizer /tmp/ruby/src/trunk_asan/gc.c:1739:5
    #4 0x5ea2a85361b2 in rb_ec_finalize /tmp/ruby/src/trunk_asan/eval.c:165:5
    #5 0x5ea2a85361b2 in rb_ec_cleanup /tmp/ruby/src/trunk_asan/eval.c:256:5
    #6 0x5ea2a8536d68 in ruby_run_node /tmp/ruby/src/trunk_asan/eval.c:320:12
    #7 0x5ea2a852fc36 in rb_main /tmp/ruby/src/trunk_asan/main.c:42:12
    #8 0x5ea2a852fc36 in main /tmp/ruby/src/trunk_asan/main.c:62:12
    #9 0x787f9582a1c9 in __libc_start_call_main csu/../sysdeps/nptl/libc_start_call_main.h:58:16
    #10 0x787f9582a28a in __libc_start_main csu/../csu/libc-start.c:360:3
    #11 0x5ea2a8453a04 in _start (/tmp/ruby/build/trunk_asan/ruby+0x16ba04) (BuildId: cdda7004914a7b496213beb8dc4c7d45f40ee2c6)
Address 0x787f720a14b8 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:
  0x787f720a1200: f7 f7 f7 f7 f7 f7 f7 f7 f7 f7 f7 f7 f7 f7 f7 f7
  0x787f720a1280: f7 f7 f7 f7 f7 f7 f7 f7 f7 f7 f7 f7 f7 f7 f7 f7
  0x787f720a1300: f7 f7 f7 f7 f7 f7 f7 f7 f7 f7 f7 f7 f7 f7 f7 f7
  0x787f720a1380: f7 f7 f7 f7 f7 f7 f7 f7 f7 f7 f7 f7 f7 f7 f7 f7
  0x787f720a1400: f7 f7 f7 f7 f7 f7 f7 f7 f7 f7 f7 f7 f7 f7 f7 f7
=>0x787f720a1480: f7 f7 f7 f7 f7 f7 f7[f7]f7 f7 f7 f7 f7 f7 f7 f7
  0x787f720a1500: f7 f7 f7 f7 f7 f7 f7 f7 f7 f7 f7 f7 f7 f7 f7 f7
  0x787f720a1580: f7 f7 f7 f7 f7 f7 f7 f7 f7 f7 f7 f7 f7 f7 f7 f7
  0x787f720a1600: f7 f7 f7 f7 f7 f7 f7 f7 f7 f7 f7 f7 f7 f7 f7 f7
  0x787f720a1680: f7 f7 f7 f7 f7 f7 f7 f7 f7 f7 f7 f7 f7 00 00 00
  0x787f720a1700: 00 00 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
==1790472==ABORTING
/tmp/ruby/src/trunk_asan/tool/lib/test/unit/parallel.rb: [BUG] ASAN error
ruby 3.5.0dev (2025-07-28T22:17:45Z master f1acf47ca2) +PRISM [x86_64-linux]
-- Control frame information -----------------------------------------------
c:0001 p:0000 s:0003 E:001de0 DUMMY  [FINISH]
-- Threading information ---------------------------------------------------
Total ractor count: 1
Ruby thread count for this ractor: 1
-- C level backtrace information -------------------------------------------
/tmp/ruby/src/trunk_asan/tool/lib/test/unit/parallel.rb(___interceptor_backtrace) [0x5ea2a8499de9]
/tmp/ruby/build/trunk_asan/ruby(rb_print_backtrace+0x14) [0x5ea2a8de8e08] /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) [0x5ea2a8d2e215] /tmp/ruby/src/trunk_asan/error.c:1097
/tmp/ruby/build/trunk_asan/ruby(rb_bug_without_die+0x12c) [0x5ea2a8d2deac] /tmp/ruby/src/trunk_asan/error.c:1106
/tmp/ruby/src/trunk_asan/tool/lib/test/unit/parallel.rb(0x5ea2a851630a) [0x5ea2a851630a]
/tmp/ruby/src/trunk_asan/tool/lib/test/unit/parallel.rb(0x5ea2a84f6d8f) [0x5ea2a84f6d8f]
/tmp/ruby/src/trunk_asan/tool/lib/test/unit/parallel.rb(0x5ea2a84f9e1d) [0x5ea2a84f9e1d]
/tmp/ruby/src/trunk_asan/tool/lib/test/unit/parallel.rb(__asan_report_load8) [0x5ea2a84fab7c]
/tmp/ruby/build/trunk_asan/ruby(rb_objspace_call_finalizer+0xfec) [0x5ea2a85674bc] /tmp/ruby/src/trunk_asan/include/ruby/internal/value_type.h:191
/tmp/ruby/build/trunk_asan/ruby(rb_ec_finalize+0x2a) [0x5ea2a85361b3] /tmp/ruby/src/trunk_asan/eval.c:165
/tmp/ruby/build/trunk_asan/ruby(rb_ec_cleanup) /tmp/ruby/src/trunk_asan/eval.c:256
/tmp/ruby/build/trunk_asan/ruby(ruby_run_node+0x529) [0x5ea2a8536d69] /tmp/ruby/src/trunk_asan/eval.c:320
/tmp/ruby/build/trunk_asan/ruby(rb_main+0x25) [0x5ea2a852fc37] /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) [0x787f9582a1ca] ../sysdeps/nptl/libc_start_call_main.h:58
/lib/x86_64-linux-gnu/libc.so.6(call_init+0x0) [0x787f9582a28b] ../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(_start) [0x5ea2a8453a05]
-- Other runtime information -----------------------------------------------
/tmp/ruby/src/trunk_asan/tool/lib/test/unit/parallel.rb: TestSignal#test_self_stop(___interceptor_backtrace) [0x5ca551dd5de9]
/tmp/ruby/build/trunk_asan/ruby(rb_print_backtrace+0x14) [0x5ca552724e08] /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) [0x5ca55266a215] /tmp/ruby/src/trunk_asan/error.c:1097
/tmp/ruby/build/trunk_asan/ruby(rb_bug_without_die+0x12c) [0x5ca552669eac] /tmp/ruby/src/trunk_asan/error.c:1106
/tmp/ruby/src/trunk_asan/tool/lib/test/unit/parallel.rb: TestSignal#test_self_stop(0x5ca551e5230a) [0x5ca551e5230a]
/tmp/ruby/src/trunk_asan/tool/lib/test/unit/parallel.rb: TestSignal#test_self_stop(0x5ca551e32d8f) [0x5ca551e32d8f]
/tmp/ruby/src/trunk_asan/tool/lib/test/unit/parallel.rb: TestSignal#test_self_stop(0x5ca551e35e1d) [0x5ca551e35e1d]
/tmp/ruby/src/trunk_asan/tool/lib/test/unit/parallel.rb: TestSignal#test_self_stop(__asan_report_load8) [0x5ca551e36b7c]
/tmp/ruby/build/trunk_asan/ruby(rb_objspace_call_finalizer+0xfec) [0x5ca551ea34bc] /tmp/ruby/src/trunk_asan/include/ruby/internal/value_type.h:191
/tmp/ruby/build/trunk_asan/ruby(rb_ec_finalize+0x2a) [0x5ca551e721b3] /tmp/ruby/src/trunk_asan/eval.c:165
/tmp/ruby/build/trunk_asan/ruby(rb_ec_cleanup) /tmp/ruby/src/trunk_asan/eval.c:256
/tmp/ruby/build/trunk_asan/ruby(ruby_cleanup+0x104) [0x5ca551e718a4] /tmp/ruby/src/trunk_asan/eval.c:179
/tmp/ruby/build/trunk_asan/ruby(ruby_stop+0xb) [0x5ca551e727bb] /tmp/ruby/src/trunk_asan/eval.c:291
/tmp/ruby/build/trunk_asan/ruby(rb_f_fork+0x16d) [0x5ca552017a2d] /tmp/ruby/src/trunk_asan/process.c:4291
/tmp/ruby/build/trunk_asan/ruby(vm_cfp_consistent_p+0x0) [0x5ca5522a2498] /tmp/ruby/src/trunk_asan/vm_insnhelper.c:3784
/tmp/ruby/build/trunk_asan/ruby(vm_call_cfunc_with_frame_) /tmp/ruby/src/trunk_asan/vm_insnhelper.c:3786
/tmp/ruby/build/trunk_asan/ruby(vm_call_method_each_type+0x295) [0x5ca5522878b5] /tmp/ruby/src/trunk_asan/vm_insnhelper.c:4763
/tmp/ruby/src/trunk_asan/tool/lib/test/unit/parallel.rb: TestSignal#test_self_stop(vm_call_method+0x2d5) [0x5ca552287345]
/tmp/ruby/build/trunk_asan/ruby(vm_sendish+0x149) [0x5ca55224042a] /tmp/ruby/src/trunk_asan/vm_insnhelper.c:5991
/tmp/ruby/build/trunk_asan/ruby(vm_exec_core) ../../src/trunk_asan/insns.def:851
/tmp/ruby/build/trunk_asan/ruby(rb_vm_exec+0x4e7) [0x5ca552234537] /tmp/ruby/src/trunk_asan/vm.c:2621
/tmp/ruby/build/trunk_asan/ruby(invoke_iseq_block_from_c+0x701) [0x5ca5522c21c2] /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) [0x5ca5522656f8] /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) [0x5ca5524283e3] /tmp/ruby/src/trunk_asan/array.c:3654
/tmp/ruby/build/trunk_asan/ruby(vm_cfp_consistent_p+0x0) [0x5ca5522a2498] /tmp/ruby/src/trunk_asan/vm_insnhelper.c:3784
/tmp/ruby/build/trunk_asan/ruby(vm_call_cfunc_with_frame_) /tmp/ruby/src/trunk_asan/vm_insnhelper.c:3786
/tmp/ruby/build/trunk_asan/ruby(vm_sendish+0x149) [0x5ca55224042a] /tmp/ruby/src/trunk_asan/vm_insnhelper.c:5991
/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) [0x5ca55223492b] /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) [0x5ca5522c21c2] /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) [0x5ca5522656f8] /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) [0x5ca5524283e3] /tmp/ruby/src/trunk_asan/array.c:3654
/tmp/ruby/build/trunk_asan/ruby(vm_cfp_consistent_p+0x0) [0x5ca5522a2498] /tmp/ruby/src/trunk_asan/vm_insnhelper.c:3784
/tmp/ruby/build/trunk_asan/ruby(vm_call_cfunc_with_frame_) /tmp/ruby/src/trunk_asan/vm_insnhelper.c:3786
/tmp/ruby/build/trunk_asan/ruby(vm_sendish+0x149) [0x5ca55224042a] /tmp/ruby/src/trunk_asan/vm_insnhelper.c:5991
/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) [0x5ca55223492b] /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) [0x5ca55227c4f8] /tmp/ruby/src/trunk_asan/vm.c:2901
/tmp/ruby/build/trunk_asan/ruby(rb_ec_exec_node+0x142) [0x5ca551e72cca] /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) [0x5ca551e6bc37] /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) [0x7b9ee2e2a1ca] ../sysdeps/nptl/libc_start_call_main.h:58
/lib/x86_64-linux-gnu/libc.so.6(call_init+0x0) [0x7b9ee2e2a28b] ../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: TestSignal#test_self_stop(_start) [0x5ca551d8fa05]
-- Other runtime information -----------------------------------------------
  1) Failure:
TestSignal#test_self_stop [/tmp/ruby/src/trunk_asan/test/ruby/test_signal.rb:331]:
Failed assertion, no message given.
  2) Failure:
TestThread#test_fork_value [/tmp/ruby/src/trunk_asan/test/ruby/test_thread.rb:1266]:
[Bug #18902].
Expected #<Process::Status: pid 1805727 exit 1> to be success?.
  3) Failure:
TestThread#test_fork_while_locked [/tmp/ruby/src/trunk_asan/test/ruby/test_thread.rb:1280]:
[ruby-core:85940] [Bug #14578].
Expected #<Process::Status: pid 1805954 exit 1> to be success?.
  4) Failure:
TestThread#test_fork_while_locked [/tmp/ruby/src/trunk_asan/tool/lib/zombie_hunter.rb:6]:
Expected [[1806124, #<Process::Status: pid 1806124 exit 1>],
 [1806130, #<Process::Status: pid 1806130 exit 1>]] to be empty.
=================================================================
==1790458==ERROR: AddressSanitizer: use-after-poison on address 0x792d300f8ad0 at pc 0x62a480bd74bc bp 0x7ffc8efb00f0 sp 0x7ffc8efb00e8
READ of size 8 at 0x792d300f8ad0 thread T0
    #0 0x62a480bd74bb in RB_BUILTIN_TYPE /tmp/ruby/src/trunk_asan/include/ruby/internal/value_type.h:191:30
    #1 0x62a480bd74bb in rb_gc_shutdown_call_finalizer_p /tmp/ruby/src/trunk_asan/gc.c:357:18
    #2 0x62a480bd74bb in rb_gc_impl_shutdown_call_finalizer /tmp/ruby/src/trunk_asan/gc/default/default.c:3045:21
    #3 0x62a480bd74bb in rb_objspace_call_finalizer /tmp/ruby/src/trunk_asan/gc.c:1739:5
    #4 0x62a480ba61b2 in rb_ec_finalize /tmp/ruby/src/trunk_asan/eval.c:165:5
    #5 0x62a480ba61b2 in rb_ec_cleanup /tmp/ruby/src/trunk_asan/eval.c:256:5
    #6 0x62a480ba6d68 in ruby_run_node /tmp/ruby/src/trunk_asan/eval.c:320:12
    #7 0x62a480b9fc36 in rb_main /tmp/ruby/src/trunk_asan/main.c:42:12
    #8 0x62a480b9fc36 in main /tmp/ruby/src/trunk_asan/main.c:62:12
    #9 0x792d5142a1c9 in __libc_start_call_main csu/../sysdeps/nptl/libc_start_call_main.h:58:16
    #10 0x792d5142a28a in __libc_start_main csu/../csu/libc-start.c:360:3
    #11 0x62a480ac3a04 in _start (/tmp/ruby/build/trunk_asan/ruby+0x16ba04) (BuildId: cdda7004914a7b496213beb8dc4c7d45f40ee2c6)
Address 0x792d300f8ad0 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:
  0x792d300f8800: f7 f7 f7 f7 f7 f7 f7 f7 f7 f7 f7 f7 f7 f7 f7 f7
  0x792d300f8880: f7 f7 f7 f7 f7 f7 f7 f7 f7 f7 f7 f7 f7 f7 f7 f7
  0x792d300f8900: f7 f7 f7 f7 f7 f7 f7 f7 f7 f7 f7 f7 f7 f7 f7 f7
  0x792d300f8980: f7 f7 f7 f7 f7 f7 f7 f7 f7 f7 f7 f7 f7 f7 f7 f7
  0x792d300f8a00: f7 f7 f7 f7 f7 f7 f7 f7 f7 f7 f7 f7 f7 f7 f7 f7
=>0x792d300f8a80: f7 f7 f7 f7 f7 f7 f7 f7 f7 f7[f7]f7 f7 f7 f7 f7
  0x792d300f8b00: f7 f7 f7 f7 f7 f7 f7 f7 f7 f7 f7 f7 f7 f7 f7 f7
  0x792d300f8b80: f7 f7 f7 f7 f7 f7 f7 f7 f7 f7 f7 f7 f7 f7 f7 f7
  0x792d300f8c00: f7 f7 f7 f7 f7 f7 f7 f7 f7 f7 f7 f7 f7 f7 f7 f7
  0x792d300f8c80: f7 f7 f7 f7 f7 f7 f7 f7 f7 f7 f7 f7 f7 f7 f7 f7
  0x792d300f8d00: f7 f7 f7 f7 f7 f7 f7 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
==1790458==ABORTING
/tmp/ruby/src/trunk_asan/test/runner.rb: [BUG] ASAN error
ruby 3.5.0dev (2025-07-28T22:17:45Z master f1acf47ca2) +PRISM [x86_64-linux]
-- Control frame information -----------------------------------------------
c:0001 p:0000 s:0003 E:001de0 DUMMY  [FINISH]
-- Threading information ---------------------------------------------------
Total ractor count: 1
Ruby thread count for this ractor: 1
-- C level backtrace information -------------------------------------------
/tmp/ruby/build/trunk_asan/ruby(___interceptor_backtrace) [0x62a480b09de9]
/tmp/ruby/build/trunk_asan/ruby(rb_print_backtrace+0x14) [0x62a481458e08] /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) [0x62a48139e215] /tmp/ruby/src/trunk_asan/error.c:1097
/tmp/ruby/build/trunk_asan/ruby(rb_bug_without_die+0x12c) [0x62a48139deac] /tmp/ruby/src/trunk_asan/error.c:1106
/tmp/ruby/build/trunk_asan/ruby(0x62a480b8630a) [0x62a480b8630a]
/tmp/ruby/build/trunk_asan/ruby(0x62a480b66d8f) [0x62a480b66d8f]
/tmp/ruby/build/trunk_asan/ruby(0x62a480b69e1d) [0x62a480b69e1d]
/tmp/ruby/build/trunk_asan/ruby(__asan_report_load8) [0x62a480b6ab7c]
/tmp/ruby/build/trunk_asan/ruby(rb_objspace_call_finalizer+0xfec) [0x62a480bd74bc] /tmp/ruby/src/trunk_asan/include/ruby/internal/value_type.h:191
/tmp/ruby/build/trunk_asan/ruby(rb_ec_finalize+0x2a) [0x62a480ba61b3] /tmp/ruby/src/trunk_asan/eval.c:165
/tmp/ruby/build/trunk_asan/ruby(rb_ec_cleanup) /tmp/ruby/src/trunk_asan/eval.c:256
/tmp/ruby/build/trunk_asan/ruby(ruby_run_node+0x529) [0x62a480ba6d69] /tmp/ruby/src/trunk_asan/eval.c:320
/tmp/ruby/build/trunk_asan/ruby(rb_main+0x25) [0x62a480b9fc37] /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) [0x792d5142a1ca] ../sysdeps/nptl/libc_start_call_main.h:58
/lib/x86_64-linux-gnu/libc.so.6(call_init+0x0) [0x792d5142a28b] ../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/build/trunk_asan/ruby(_start) [0x62a480ac3a05]
-- Other runtime information -----------------------------------------------
make: *** [uncommon.mk:980: yes-test-all] Error 1
"make yes-test-rubyspec MSPECOPT='--error-output stderr -j' TESTS='-j16'" exit with 512.
=================================================================
==2407473==ERROR: AddressSanitizer: use-after-poison on address 0x71d0159abeb8 at pc 0x621d555224bc bp 0x7ffec20c5710 sp 0x7ffec20c5708
READ of size 8 at 0x71d0159abeb8 thread T0
    #0 0x621d555224bb in RB_BUILTIN_TYPE /tmp/ruby/src/trunk_asan/include/ruby/internal/value_type.h:191:30
    #1 0x621d555224bb in rb_gc_shutdown_call_finalizer_p /tmp/ruby/src/trunk_asan/gc.c:357:18
    #2 0x621d555224bb in rb_gc_impl_shutdown_call_finalizer /tmp/ruby/src/trunk_asan/gc/default/default.c:3045:21
    #3 0x621d555224bb in rb_objspace_call_finalizer /tmp/ruby/src/trunk_asan/gc.c:1739:5
    #4 0x621d554f11b2 in rb_ec_finalize /tmp/ruby/src/trunk_asan/eval.c:165:5
    #5 0x621d554f11b2 in rb_ec_cleanup /tmp/ruby/src/trunk_asan/eval.c:256:5
    #6 0x621d554f08a3 in ruby_cleanup /tmp/ruby/src/trunk_asan/eval.c:179:12
    #7 0x621d554f17ba in ruby_stop /tmp/ruby/src/trunk_asan/eval.c:291:10
    #8 0x621d55696a2c in rb_f_fork /tmp/ruby/src/trunk_asan/process.c:4291:13
    #9 0x621d55921497 in vm_call_cfunc_with_frame_ /tmp/ruby/src/trunk_asan/vm_insnhelper.c:3784:11
    #10 0x621d559068b4 in vm_call_method_each_type /tmp/ruby/src/trunk_asan/vm_insnhelper.c:4763:16
    #11 0x621d55907c04 in vm_call_zsuper /tmp/ruby/src/trunk_asan/vm_insnhelper.c:4461:12
    #12 0x621d55907c04 in vm_call_method_each_type /tmp/ruby/src/trunk_asan/vm_insnhelper.c:4830:16
    #13 0x621d55906344 in vm_call_method /tmp/ruby/src/trunk_asan/vm_insnhelper.c
    #14 0x621d558bf429 in vm_sendish /tmp/ruby/src/trunk_asan/vm_insnhelper.c:5991:15
    #15 0x621d558bf429 in vm_exec_core /tmp/ruby/build/trunk_asan/../../src/trunk_asan/insns.def:851:11
    #16 0x621d558b3536 in rb_vm_exec /tmp/ruby/src/trunk_asan/vm.c:2621:22
    #17 0x621d559411c1 in invoke_iseq_block_from_c /tmp/ruby/src/trunk_asan/vm.c:1651:12
    #18 0x621d559411c1 in invoke_block_from_c_bh /tmp/ruby/src/trunk_asan/vm.c:1665:20
    #19 0x621d558ec3ca in vm_yield_with_cref /tmp/ruby/src/trunk_asan/vm.c:1702:12
    #20 0x621d558ec3ca in yield_under /tmp/ruby/src/trunk_asan/vm_eval.c:2217:12
    #21 0x621d55921497 in vm_call_cfunc_with_frame_ /tmp/ruby/src/trunk_asan/vm_insnhelper.c:3784:11
    #22 0x621d558bf429 in vm_sendish /tmp/ruby/src/trunk_asan/vm_insnhelper.c:5991:15
    #23 0x621d558bf429 in vm_exec_core /tmp/ruby/build/trunk_asan/../../src/trunk_asan/insns.def:851:11
    #24 0x621d558b3536 in rb_vm_exec /tmp/ruby/src/trunk_asan/vm.c:2621:22
    #25 0x621d559411c1 in invoke_iseq_block_from_c /tmp/ruby/src/trunk_asan/vm.c:1651:12
    #26 0x621d559411c1 in invoke_block_from_c_bh /tmp/ruby/src/trunk_asan/vm.c:1665:20
    #27 0x621d558e46f7 in vm_yield_with_cref /tmp/ruby/src/trunk_asan/vm.c:1702:12
    #28 0x621d558e46f7 in vm_yield /tmp/ruby/src/trunk_asan/vm.c:1710:12
    #29 0x621d558e46f7 in rb_yield_0 /tmp/ruby/src/trunk_asan/vm_eval.c:1362:12
    #30 0x621d558e46f7 in rb_yield /tmp/ruby/src/trunk_asan/vm_eval.c
    #31 0x621d55ab5ffd in rb_ary_all_p /tmp/ruby/src/trunk_asan/array.c:7892:24
    #32 0x621d55921497 in vm_call_cfunc_with_frame_ /tmp/ruby/src/trunk_asan/vm_insnhelper.c:3784:11
    #33 0x621d558bf429 in vm_sendish /tmp/ruby/src/trunk_asan/vm_insnhelper.c:5991:15
    #34 0x621d558bf429 in vm_exec_core /tmp/ruby/build/trunk_asan/../../src/trunk_asan/insns.def:851:11
    #35 0x621d558b3536 in rb_vm_exec /tmp/ruby/src/trunk_asan/vm.c:2621:22
    #36 0x621d559411c1 in invoke_iseq_block_from_c /tmp/ruby/src/trunk_asan/vm.c:1651:12
    #37 0x621d559411c1 in invoke_block_from_c_bh /tmp/ruby/src/trunk_asan/vm.c:1665:20
    #38 0x621d558e46f7 in vm_yield_with_cref /tmp/ruby/src/trunk_asan/vm.c:1702:12
    #39 0x621d558e46f7 in vm_yield /tmp/ruby/src/trunk_asan/vm.c:1710:12
    #40 0x621d558e46f7 in rb_yield_0 /tmp/ruby/src/trunk_asan/vm_eval.c:1362:12
    #41 0x621d558e46f7 in rb_yield /tmp/ruby/src/trunk_asan/vm_eval.c
    #42 0x621d55a99799 in rb_ary_each /tmp/ruby/src/trunk_asan/array.c:2646:9
    #43 0x621d55921497 in vm_call_cfunc_with_frame_ /tmp/ruby/src/trunk_asan/vm_insnhelper.c:3784:11
    #44 0x621d558bf429 in vm_sendish /tmp/ruby/src/trunk_asan/vm_insnhelper.c:5991:15
    #45 0x621d558bf429 in vm_exec_core /tmp/ruby/build/trunk_asan/../../src/trunk_asan/insns.def:851:11
    #46 0x621d558b3536 in rb_vm_exec /tmp/ruby/src/trunk_asan/vm.c:2621:22
    #47 0x621d558fa98a in rb_iseq_eval /tmp/ruby/src/trunk_asan/vm.c:2878:11
    #48 0x621d556065ab in load_iseq_eval /tmp/ruby/src/trunk_asan/load.c:873:9
    #49 0x621d555fc2da in rb_load_internal /tmp/ruby/src/trunk_asan/load.c:951:9
    #50 0x621d556028c9 in load_entrypoint_internal /tmp/ruby/src/trunk_asan/load.c:993:5
    #51 0x621d556028c9 in rb_f_load /tmp/ruby/src/trunk_asan/load.c:1047:12
    #52 0x621d55921497 in vm_call_cfunc_with_frame_ /tmp/ruby/src/trunk_asan/vm_insnhelper.c:3784:11
    #53 0x621d558c4b5b in vm_sendish /tmp/ruby/src/trunk_asan/vm_insnhelper.c:5991:15
    #54 0x621d558c4b5b in vm_exec_core /tmp/ruby/build/trunk_asan/../../src/trunk_asan/insns.def:899:11
    #55 0x621d558b3536 in rb_vm_exec /tmp/ruby/src/trunk_asan/vm.c:2621:22
    #56 0x621d559411c1 in invoke_iseq_block_from_c /tmp/ruby/src/trunk_asan/vm.c:1651:12
    #57 0x621d559411c1 in invoke_block_from_c_bh /tmp/ruby/src/trunk_asan/vm.c:1665:20
    #58 0x621d558ec3ca in vm_yield_with_cref /tmp/ruby/src/trunk_asan/vm.c:1702:12
    #59 0x621d558ec3ca in yield_under /tmp/ruby/src/trunk_asan/vm_eval.c:2217:12
    #60 0x621d55921497 in vm_call_cfunc_with_frame_ /tmp/ruby/src/trunk_asan/vm_insnhelper.c:3784:11
    #61 0x621d558bf429 in vm_sendish /tmp/ruby/src/trunk_asan/vm_insnhelper.c:5991:15
    #62 0x621d558bf429 in vm_exec_core /tmp/ruby/build/trunk_asan/../../src/trunk_asan/insns.def:851:11
    #63 0x621d558b392a in vm_exec_loop /tmp/ruby/src/trunk_asan/vm.c:2648:22
    #64 0x621d558b392a in rb_vm_exec /tmp/ruby/src/trunk_asan/vm.c:2627:18
    #65 0x621d558fb4f7 in rb_iseq_eval_main /tmp/ruby/src/trunk_asan/vm.c:2901:11
    #66 0x621d554f1cc9 in rb_ec_exec_node /tmp/ruby/src/trunk_asan/eval.c:282:9
    #67 0x621d554f1cc9 in ruby_run_node /tmp/ruby/src/trunk_asan/eval.c:320:30
    #68 0x621d554eac36 in rb_main /tmp/ruby/src/trunk_asan/main.c:42:12
    #69 0x621d554eac36 in main /tmp/ruby/src/trunk_asan/main.c:62:12
    #70 0x71d03622a1c9 in __libc_start_call_main csu/../sysdeps/nptl/libc_start_call_main.h:58:16
    #71 0x71d03622a28a in __libc_start_main csu/../csu/libc-start.c:360:3
    #72 0x621d5540ea04 in _start (/tmp/ruby/build/trunk_asan/ruby+0x16ba04) (BuildId: cdda7004914a7b496213beb8dc4c7d45f40ee2c6)
Address 0x71d0159abeb8 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:
  0x71d0159abc00: f7 f7 f7 f7 f7 f7 f7 00 00 00 00 00 00 00 00 00
  0x71d0159abc80: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
  0x71d0159abd00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
  0x71d0159abd80: 00 00 00 00 00 00 00 00 00 f7 f7 f7 f7 f7 f7 f7
  0x71d0159abe00: f7 f7 f7 00 00 00 00 00 00 00 00 00 00 f7 f7 f7
=>0x71d0159abe80: f7 f7 f7 f7 f7 f7 f7[f7]f7 f7 f7 f7 f7 f7 f7 f7
  0x71d0159abf00: f7 f7 f7 f7 f7 f7 f7 f7 f7 f7 f7 f7 f7 f7 f7 f7
  0x71d0159abf80: f7 f7 f7 f7 f7 f7 f7 f7 f7 f7 f7 f7 f7 f7 f7 f7
  0x71d0159ac000: f7 f7 f7 f7 f7 f7 f7 f7 f7 f7 f7 f7 f7 f7 f7 f7
  0x71d0159ac080: f7 f7 f7 f7 f7 f7 f7 f7 f7 f7 f7 f7 f7 f7 f7 f7
  0x71d0159ac100: f7 f7 f7 f7 f7 f7 f7 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
==2407473==ABORTING
/tmp/ruby/src/trunk_asan/spec/ruby/shared/process/fork.rb:50: [BUG] ASAN error
ruby 3.5.0dev (2025-07-28T22:17:45Z master f1acf47ca2) +PRISM [x86_64-linux]
-- Control frame information -----------------------------------------------
c:0027 p:---- s:0131 e:000130 CFUNC  :fork
c:0026 p:0006 s:0127 e:000126 BLOCK  /tmp/ruby/src/trunk_asan/spec/ruby/shared/process/fork.rb:50 [FINISH]
c:0025 p:---- s:0121 e:000120 CFUNC  :instance_exec
c:0024 p:0009 s:0117 e:000116 METHOD /tmp/ruby/src/trunk_asan/spec/mspec/lib/mspec/runner/mspec.rb:117
c:0023 p:0009 s:0109 e:000108 BLOCK  /tmp/ruby/src/trunk_asan/spec/mspec/lib/mspec/runner/context.rb:176 [FINISH]
c:0022 p:---- s:0105 e:000104 CFUNC  :all?
c:0021 p:0027 s:0101 e:000100 METHOD /tmp/ruby/src/trunk_asan/spec/mspec/lib/mspec/runner/context.rb:176
c:0020 p:0047 s:0094 e:000093 BLOCK  /tmp/ruby/src/trunk_asan/spec/mspec/lib/mspec/runner/context.rb:212
c:0019 p:0010 s:0089 e:000088 METHOD /tmp/ruby/src/trunk_asan/spec/mspec/lib/mspec/runner/mspec.rb:285
c:0018 p:0005 s:0085 e:000084 BLOCK  /tmp/ruby/src/trunk_asan/spec/mspec/lib/mspec/runner/context.rb:204 [FINISH]
c:0017 p:---- s:0081 e:000080 CFUNC  :each
c:0016 p:0058 s:0077 E:0011f0 METHOD /tmp/ruby/src/trunk_asan/spec/mspec/lib/mspec/runner/context.rb:203
c:0015 p:0065 s:0073 e:000072 METHOD /tmp/ruby/src/trunk_asan/spec/mspec/lib/mspec/runner/mspec.rb:56
c:0014 p:0015 s:0065 e:000064 METHOD /tmp/ruby/src/trunk_asan/spec/mspec/lib/mspec/runner/object.rb:11
c:0013 p:0024 s:0058 E:001190 TOP    /tmp/ruby/src/trunk_asan/spec/ruby/core/kernel/fork_spec.rb:5 [FINISH]
c:0012 p:---- s:0055 e:000054 CFUNC  :load
c:0011 p:0006 s:0050 e:000049 BLOCK  /tmp/ruby/src/trunk_asan/spec/mspec/lib/mspec/runner/mspec.rb:100 [FINISH]
c:0010 p:---- s:0047 e:000046 CFUNC  :instance_exec
c:0009 p:0009 s:0043 e:000042 METHOD /tmp/ruby/src/trunk_asan/spec/mspec/lib/mspec/runner/mspec.rb:117
c:0008 p:0029 s:0035 e:000034 BLOCK  /tmp/ruby/src/trunk_asan/spec/mspec/lib/mspec/runner/mspec.rb:100
c:0007 p:0033 s:0031 e:000030 METHOD /tmp/ruby/src/trunk_asan/spec/mspec/lib/mspec/runner/mspec.rb:77
c:0006 p:0004 s:0024 e:000023 METHOD /tmp/ruby/src/trunk_asan/spec/mspec/lib/mspec/runner/mspec.rb:96
c:0005 p:0021 s:0020 e:000019 METHOD /tmp/ruby/src/trunk_asan/spec/mspec/lib/mspec/runner/mspec.rb:64
c:0004 p:0024 s:0016 e:000015 METHOD /tmp/ruby/src/trunk_asan/spec/mspec/lib/mspec/commands/mspec-run.rb:84
c:0003 p:0062 s:0012 e:000011 METHOD /tmp/ruby/src/trunk_asan/spec/mspec/lib/mspec/utils/script.rb:297
c:0002 p:0023 s:0006 e:000005 EVAL   /tmp/ruby/src/trunk_asan/spec/mspec/bin/mspec-run:7 [FINISH]
c:0001 p:0000 s:0003 E:001de0 DUMMY  [FINISH]
-- Ruby level backtrace information ----------------------------------------
/tmp/ruby/src/trunk_asan/spec/mspec/bin/mspec-run:7:in '<main>'
/tmp/ruby/src/trunk_asan/spec/mspec/lib/mspec/utils/script.rb:297:in 'main'
/tmp/ruby/src/trunk_asan/spec/mspec/lib/mspec/commands/mspec-run.rb:84:in 'run'
/tmp/ruby/src/trunk_asan/spec/mspec/lib/mspec/runner/mspec.rb:64:in 'process'
/tmp/ruby/src/trunk_asan/spec/mspec/lib/mspec/runner/mspec.rb:96:in 'files'
/tmp/ruby/src/trunk_asan/spec/mspec/lib/mspec/runner/mspec.rb:77:in 'each_file'
/tmp/ruby/src/trunk_asan/spec/mspec/lib/mspec/runner/mspec.rb:100:in 'block in files'
/tmp/ruby/src/trunk_asan/spec/mspec/lib/mspec/runner/mspec.rb:117:in 'protect'
/tmp/ruby/src/trunk_asan/spec/mspec/lib/mspec/runner/mspec.rb:117:in 'instance_exec'
/tmp/ruby/src/trunk_asan/spec/mspec/lib/mspec/runner/mspec.rb:100:in 'block (2 levels) in files'
/tmp/ruby/src/trunk_asan/spec/mspec/lib/mspec/runner/mspec.rb:100:in 'load'
/tmp/ruby/src/trunk_asan/spec/ruby/core/kernel/fork_spec.rb:5:in '<top (required)>'
/tmp/ruby/src/trunk_asan/spec/mspec/lib/mspec/runner/object.rb:11:in 'describe'
/tmp/ruby/src/trunk_asan/spec/mspec/lib/mspec/runner/mspec.rb:56:in 'describe'
/tmp/ruby/src/trunk_asan/spec/mspec/lib/mspec/runner/context.rb:203:in 'process'
/tmp/ruby/src/trunk_asan/spec/mspec/lib/mspec/runner/context.rb:203:in 'each'
/tmp/ruby/src/trunk_asan/spec/mspec/lib/mspec/runner/context.rb:204:in 'block in process'
/tmp/ruby/src/trunk_asan/spec/mspec/lib/mspec/runner/mspec.rb:285:in 'repeat'
/tmp/ruby/src/trunk_asan/spec/mspec/lib/mspec/runner/context.rb:212:in 'block (2 levels) in process'
/tmp/ruby/src/trunk_asan/spec/mspec/lib/mspec/runner/context.rb:176:in 'protect'
/tmp/ruby/src/trunk_asan/spec/mspec/lib/mspec/runner/context.rb:176:in 'all?'
/tmp/ruby/src/trunk_asan/spec/mspec/lib/mspec/runner/context.rb:176:in 'block in protect'
/tmp/ruby/src/trunk_asan/spec/mspec/lib/mspec/runner/mspec.rb:117:in 'protect'
/tmp/ruby/src/trunk_asan/spec/mspec/lib/mspec/runner/mspec.rb:117:in 'instance_exec'
/tmp/ruby/src/trunk_asan/spec/ruby/shared/process/fork.rb:50:in 'block (3 levels) in <top (required)>'
/tmp/ruby/src/trunk_asan/spec/ruby/shared/process/fork.rb:50:in 'fork'
-- Threading information ---------------------------------------------------
Total ractor count: 1
Ruby thread count for this ractor: 1
-- C level backtrace information -------------------------------------------
/tmp/ruby/build/trunk_asan/ruby(___interceptor_backtrace) [0x621d55454de9]
/tmp/ruby/build/trunk_asan/ruby(rb_print_backtrace+0x14) [0x621d55da3e08] /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) [0x621d55ce9215] /tmp/ruby/src/trunk_asan/error.c:1097
/tmp/ruby/build/trunk_asan/ruby(rb_bug_without_die+0x12c) [0x621d55ce8eac] /tmp/ruby/src/trunk_asan/error.c:1106
/tmp/ruby/build/trunk_asan/ruby(0x621d554d130a) [0x621d554d130a]
/tmp/ruby/build/trunk_asan/ruby(0x621d554b1d8f) [0x621d554b1d8f]
/tmp/ruby/build/trunk_asan/ruby(0x621d554b4e1d) [0x621d554b4e1d]
/tmp/ruby/build/trunk_asan/ruby(__asan_report_load8) [0x621d554b5b7c]
/tmp/ruby/build/trunk_asan/ruby(rb_objspace_call_finalizer+0xfec) [0x621d555224bc] /tmp/ruby/src/trunk_asan/include/ruby/internal/value_type.h:191
/tmp/ruby/build/trunk_asan/ruby(rb_ec_finalize+0x2a) [0x621d554f11b3] /tmp/ruby/src/trunk_asan/eval.c:165
/tmp/ruby/build/trunk_asan/ruby(rb_ec_cleanup) /tmp/ruby/src/trunk_asan/eval.c:256
/tmp/ruby/build/trunk_asan/ruby(ruby_cleanup+0x104) [0x621d554f08a4] /tmp/ruby/src/trunk_asan/eval.c:179
/tmp/ruby/build/trunk_asan/ruby(ruby_stop+0xb) [0x621d554f17bb] /tmp/ruby/src/trunk_asan/eval.c:291
/tmp/ruby/build/trunk_asan/ruby(rb_f_fork+0x16d) [0x621d55696a2d] /tmp/ruby/src/trunk_asan/process.c:4291
/tmp/ruby/build/trunk_asan/ruby(vm_cfp_consistent_p+0x0) [0x621d55921498] /tmp/ruby/src/trunk_asan/vm_insnhelper.c:3784
/tmp/ruby/build/trunk_asan/ruby(vm_call_cfunc_with_frame_) /tmp/ruby/src/trunk_asan/vm_insnhelper.c:3786
/tmp/ruby/build/trunk_asan/ruby(vm_call_method_each_type+0x295) [0x621d559068b5] /tmp/ruby/src/trunk_asan/vm_insnhelper.c:4763
/tmp/ruby/build/trunk_asan/ruby(vm_call_zsuper+0x14c) [0x621d55907c05] /tmp/ruby/src/trunk_asan/vm_insnhelper.c:4461
/tmp/ruby/build/trunk_asan/ruby(vm_call_method_each_type) /tmp/ruby/src/trunk_asan/vm_insnhelper.c:4830
/tmp/ruby/build/trunk_asan/ruby(vm_call_method+0x2d5) [0x621d55906345]
/tmp/ruby/build/trunk_asan/ruby(vm_sendish+0x149) [0x621d558bf42a] /tmp/ruby/src/trunk_asan/vm_insnhelper.c:5991
/tmp/ruby/build/trunk_asan/ruby(vm_exec_core) ../../src/trunk_asan/insns.def:851
/tmp/ruby/build/trunk_asan/ruby(rb_vm_exec+0x4e7) [0x621d558b3537] /tmp/ruby/src/trunk_asan/vm.c:2621
/tmp/ruby/build/trunk_asan/ruby(invoke_iseq_block_from_c+0x701) [0x621d559411c2] /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+0xc9) [0x621d558ec3cb] /tmp/ruby/src/trunk_asan/vm.c:1702
/tmp/ruby/build/trunk_asan/ruby(yield_under) /tmp/ruby/src/trunk_asan/vm_eval.c:2217
/tmp/ruby/build/trunk_asan/ruby(vm_cfp_consistent_p+0x0) [0x621d55921498] /tmp/ruby/src/trunk_asan/vm_insnhelper.c:3784
/tmp/ruby/build/trunk_asan/ruby(vm_call_cfunc_with_frame_) /tmp/ruby/src/trunk_asan/vm_insnhelper.c:3786
/tmp/ruby/build/trunk_asan/ruby(vm_sendish+0x149) [0x621d558bf42a] /tmp/ruby/src/trunk_asan/vm_insnhelper.c:5991
/tmp/ruby/build/trunk_asan/ruby(vm_exec_core) ../../src/trunk_asan/insns.def:851
/tmp/ruby/build/trunk_asan/ruby(rb_vm_exec+0x4e7) [0x621d558b3537] /tmp/ruby/src/trunk_asan/vm.c:2621
/tmp/ruby/build/trunk_asan/ruby(invoke_iseq_block_from_c+0x701) [0x621d559411c2] /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) [0x621d558e46f8] /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_all_p+0x21e) [0x621d55ab5ffe] /tmp/ruby/src/trunk_asan/array.c:7892
/tmp/ruby/build/trunk_asan/ruby(vm_cfp_consistent_p+0x0) [0x621d55921498] /tmp/ruby/src/trunk_asan/vm_insnhelper.c:3784
/tmp/ruby/build/trunk_asan/ruby(vm_call_cfunc_with_frame_) /tmp/ruby/src/trunk_asan/vm_insnhelper.c:3786
/tmp/ruby/build/trunk_asan/ruby(vm_sendish+0x149) [0x621d558bf42a] /tmp/ruby/src/trunk_asan/vm_insnhelper.c:5991
/tmp/ruby/build/trunk_asan/ruby(vm_exec_core) ../../src/trunk_asan/insns.def:851
/tmp/ruby/build/trunk_asan/ruby(rb_vm_exec+0x4e7) [0x621d558b3537] /tmp/ruby/src/trunk_asan/vm.c:2621
/tmp/ruby/build/trunk_asan/ruby(invoke_iseq_block_from_c+0x701) [0x621d559411c2] /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) [0x621d558e46f8] /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_each+0xba) [0x621d55a9979a] /tmp/ruby/src/trunk_asan/array.c:2646
/tmp/ruby/build/trunk_asan/ruby(vm_cfp_consistent_p+0x0) [0x621d55921498] /tmp/ruby/src/trunk_asan/vm_insnhelper.c:3784
/tmp/ruby/build/trunk_asan/ruby(vm_call_cfunc_with_frame_) /tmp/ruby/src/trunk_asan/vm_insnhelper.c:3786
/tmp/ruby/build/trunk_asan/ruby(vm_sendish+0x149) [0x621d558bf42a] /tmp/ruby/src/trunk_asan/vm_insnhelper.c:5991
/tmp/ruby/build/trunk_asan/ruby(vm_exec_core) ../../src/trunk_asan/insns.def:851
/tmp/ruby/build/trunk_asan/ruby(rb_vm_exec+0x4e7) [0x621d558b3537] /tmp/ruby/src/trunk_asan/vm.c:2621
/tmp/ruby/build/trunk_asan/ruby(rb_iseq_eval+0x10b) [0x621d558fa98b] /tmp/ruby/src/trunk_asan/vm.c:2878
/tmp/ruby/build/trunk_asan/ruby(load_iseq_eval+0x74c) [0x621d556065ac] /tmp/ruby/src/trunk_asan/load.c:873
/tmp/ruby/build/trunk_asan/ruby(raise_load_if_failed+0x0) [0x621d555fc2db] /tmp/ruby/src/trunk_asan/load.c:951
/tmp/ruby/build/trunk_asan/ruby(rb_load_internal) /tmp/ruby/src/trunk_asan/load.c:953
/tmp/ruby/build/trunk_asan/ruby(rb_f_load+0xda) [0x621d556028ca] /tmp/ruby/src/trunk_asan/load.c:993
/tmp/ruby/build/trunk_asan/ruby(vm_cfp_consistent_p+0x0) [0x621d55921498] /tmp/ruby/src/trunk_asan/vm_insnhelper.c:3784
/tmp/ruby/build/trunk_asan/ruby(vm_call_cfunc_with_frame_) /tmp/ruby/src/trunk_asan/vm_insnhelper.c:3786
/tmp/ruby/build/trunk_asan/ruby(vm_sendish+0x251) [0x621d558c4b5c] /tmp/ruby/src/trunk_asan/vm_insnhelper.c:5991
/tmp/ruby/build/trunk_asan/ruby(vm_exec_core) ../../src/trunk_asan/insns.def:899
/tmp/ruby/build/trunk_asan/ruby(rb_vm_exec+0x4e7) [0x621d558b3537] /tmp/ruby/src/trunk_asan/vm.c:2621
/tmp/ruby/build/trunk_asan/ruby(invoke_iseq_block_from_c+0x701) [0x621d559411c2] /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+0xc9) [0x621d558ec3cb] /tmp/ruby/src/trunk_asan/vm.c:1702
/tmp/ruby/build/trunk_asan/ruby(yield_under) /tmp/ruby/src/trunk_asan/vm_eval.c:2217
/tmp/ruby/build/trunk_asan/ruby(vm_cfp_consistent_p+0x0) [0x621d55921498] /tmp/ruby/src/trunk_asan/vm_insnhelper.c:3784
/tmp/ruby/build/trunk_asan/ruby(vm_call_cfunc_with_frame_) /tmp/ruby/src/trunk_asan/vm_insnhelper.c:3786
/tmp/ruby/build/trunk_asan/ruby(vm_sendish+0x149) [0x621d558bf42a] /tmp/ruby/src/trunk_asan/vm_insnhelper.c:5991
/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) [0x621d558b392b] /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) [0x621d558fb4f8] /tmp/ruby/src/trunk_asan/vm.c:2901
/tmp/ruby/build/trunk_asan/ruby(rb_ec_exec_node+0x142) [0x621d554f1cca] /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) [0x621d554eac37] /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) [0x71d03622a1ca] ../sysdeps/nptl/libc_start_call_main.h:58
/lib/x86_64-linux-gnu/libc.so.6(call_init+0x0) [0x71d03622a28b] ../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/build/trunk_asan/ruby(_start) [0x621d5540ea05]
-- Other runtime information -----------------------------------------------
1)
Kernel#fork returns status non-zero FAILED
Expected 1 == 42
to be truthy but was false
/tmp/ruby/src/trunk_asan/spec/ruby/shared/process/fork.rb:52:in 'block (3 levels) in <top (required)>'
/tmp/ruby/src/trunk_asan/spec/ruby/core/kernel/fork_spec.rb:5:in '<top (required)>'
make: *** [uncommon.mk:1030: yes-test-spec] Error 1

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.20250728-230005
#<BuildRuby:0x00007130db4ffdd0
 @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.20250728-230005",
 @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               0.000454   0.002151   1.077546 (  3.883726)
autoconf               0.001146   0.000047   1.240028 (  1.231789)
configure              0.043854   0.021161  47.855065 ( 48.504665)
build_up               0.018902   0.012438  61.660902 ( 10.126547)
build_miniruby         0.011729   0.006392 480.904671 ( 53.362236)
build_ruby             0.000044   0.001961   1.925832 (  1.406451)
build_all              0.083753   0.043816 439.116216 ( 55.092056)
build_install          0.007283   0.006571   6.528551 (  2.890003)
test_basic             0.002046   0.004006   1.140312 (  1.186396)
test_all               0.143338   0.066207 2571.943642 (390.141503)
test_rubyspec          0.080293   0.066844 748.621632 ( 56.830279)
$$$[end] "make yes-test-all TESTOPTS='--stderr-on-failure' TESTS='-j16'" exit with 512.
$$$[end] "make yes-test-rubyspec MSPECOPT='--error-output stderr -j' TESTS='-j16'" exit with 512.
/home/ko1/ruby/logs/brlog.trunk_asan.20250728-230005
total: 624.66 sec