Result of trunk_asan@ruby-sp1 at 2025-07-30 09:22:38 +0900

NG (1a4c0a9913)[LOG]
test-all: 28919 tests, 6094874 assertions, 2 failures, 0 errors, 177 skips
test-spec: 3338 files, 33611 examples, 139819 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.
=================================================================
==681572==ERROR: AddressSanitizer: use-after-poison on address 0x7927b9958cb0 at pc 0x58e9871574bc bp 0x792790e8fdf0 sp 0x792790e8fde8
READ of size 8 at 0x7927b9958cb0 thread T215
    #0 0x58e9871574bb in RB_BUILTIN_TYPE /tmp/ruby/src/trunk_asan/include/ruby/internal/value_type.h:191:30
    #1 0x58e9871574bb in rb_gc_shutdown_call_finalizer_p /tmp/ruby/src/trunk_asan/gc.c:357:18
    #2 0x58e9871574bb in rb_gc_impl_shutdown_call_finalizer /tmp/ruby/src/trunk_asan/gc/default/default.c:3045:21
    #3 0x58e9871574bb in rb_objspace_call_finalizer /tmp/ruby/src/trunk_asan/gc.c:1739:5
    #4 0x58e9871261b2 in rb_ec_finalize /tmp/ruby/src/trunk_asan/eval.c:165:5
    #5 0x58e9871261b2 in rb_ec_cleanup /tmp/ruby/src/trunk_asan/eval.c:256:5
    #6 0x58e9871258a3 in ruby_cleanup /tmp/ruby/src/trunk_asan/eval.c:179:12
    #7 0x58e9871267ba in ruby_stop /tmp/ruby/src/trunk_asan/eval.c:291:10
    #8 0x58e9872cba6c in rb_f_fork /tmp/ruby/src/trunk_asan/process.c:4291:13
    #9 0x58e987556607 in vm_call_cfunc_with_frame_ /tmp/ruby/src/trunk_asan/vm_insnhelper.c:3784:11
    #10 0x58e9874f4599 in vm_sendish /tmp/ruby/src/trunk_asan/vm_insnhelper.c:5991:15
    #11 0x58e9874f4599 in vm_exec_core /tmp/ruby/build/trunk_asan/../../src/trunk_asan/insns.def:851:11
    #12 0x58e9874e86a6 in rb_vm_exec /tmp/ruby/src/trunk_asan/vm.c:2621:22
    #13 0x58e987576331 in invoke_iseq_block_from_c /tmp/ruby/src/trunk_asan/vm.c:1651:12
    #14 0x58e987576331 in invoke_block_from_c_bh /tmp/ruby/src/trunk_asan/vm.c:1665:20
    #15 0x58e987519867 in vm_yield_with_cref /tmp/ruby/src/trunk_asan/vm.c:1702:12
    #16 0x58e987519867 in vm_yield /tmp/ruby/src/trunk_asan/vm.c:1710:12
    #17 0x58e987519867 in rb_yield_0 /tmp/ruby/src/trunk_asan/vm_eval.c:1362:12
    #18 0x58e987519867 in rb_yield /tmp/ruby/src/trunk_asan/vm_eval.c
    #19 0x58e98712b946 in rb_ensure /tmp/ruby/src/trunk_asan/eval.c:1173:18
    #20 0x58e987556607 in vm_call_cfunc_with_frame_ /tmp/ruby/src/trunk_asan/vm_insnhelper.c:3784:11
    #21 0x58e9874f4599 in vm_sendish /tmp/ruby/src/trunk_asan/vm_insnhelper.c:5991:15
    #22 0x58e9874f4599 in vm_exec_core /tmp/ruby/build/trunk_asan/../../src/trunk_asan/insns.def:851:11
    #23 0x58e9874e86a6 in rb_vm_exec /tmp/ruby/src/trunk_asan/vm.c:2621:22
    #24 0x58e98752b81a in invoke_iseq_block_from_c /tmp/ruby/src/trunk_asan/vm.c:1651:12
    #25 0x58e98752b81a in invoke_block_from_c_proc /tmp/ruby/src/trunk_asan/vm.c:1745:16
    #26 0x58e98752b81a in vm_invoke_proc /tmp/ruby/src/trunk_asan/vm.c:1775:12
    #27 0x58e987529a95 in rb_vm_invoke_proc /tmp/ruby/src/trunk_asan/vm.c:1796:16
    #28 0x58e987473c0c in thread_do_start_proc /tmp/ruby/src/trunk_asan/thread.c:605:16
    #29 0x58e987471775 in thread_do_start /tmp/ruby/src/trunk_asan/thread.c:622:18
    #30 0x58e987471775 in thread_start_func_2 /tmp/ruby/src/trunk_asan/thread.c:677:18
    #31 0x58e987470a5d in call_thread_start_func_2 /tmp/ruby/src/trunk_asan/thread_pthread.c:2237:5
    #32 0x58e987470a5d in nt_start /tmp/ruby/src/trunk_asan/thread_pthread.c:2282:13
    #33 0x58e9870dfb7e in asan_thread_start(void*) asan_interceptors.cpp.o
    #34 0x7927ba49caa3 in start_thread nptl/pthread_create.c:447:8
    #35 0x7927ba529c3b in clone3 misc/../sysdeps/unix/sysv/linux/x86_64/clone3.S:78
Address 0x7927b9958cb0 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:
  0x7927b9958a00: f7 f7 f7 f7 f7 f7 f7 f7 f7 f7 f7 f7 f7 f7 f7 f7
  0x7927b9958a80: f7 f7 f7 f7 f7 f7 f7 f7 f7 f7 f7 f7 f7 f7 f7 f7
  0x7927b9958b00: f7 f7 f7 f7 f7 f7 f7 f7 f7 f7 f7 f7 f7 f7 f7 f7
  0x7927b9958b80: f7 f7 f7 f7 f7 f7 f7 f7 f7 f7 f7 f7 f7 f7 f7 f7
  0x7927b9958c00: f7 f7 f7 f7 f7 f7 f7 f7 f7 f7 f7 f7 00 00 00 00
=>0x7927b9958c80: 00 00 00 00 00 00[f7]f7 f7 f7 f7 f7 f7 f7 f7 f7
  0x7927b9958d00: f7 f7 f7 f7 f7 f7 f7 f7 f7 f7 00 00 00 00 00 00
  0x7927b9958d80: 00 00 00 00 f7 f7 f7 f7 f7 f7 f7 f7 f7 f7 f7 f7
  0x7927b9958e00: f7 f7 f7 f7 f7 f7 f7 f7 00 00 00 00 00 00 00 00
  0x7927b9958e80: 00 00 f7 f7 f7 f7 f7 f7 f7 f7 f7 f7 f7 f7 f7 f7
  0x7927b9958f00: f7 f7 f7 f7 f7 f7 00 00 00 00 00 00 00 00 00 00
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 T215 created by T0 here:
    #0 0x58e9870c7821 in pthread_create (/tmp/ruby/build/trunk_asan/ruby+0x1ef821) (BuildId: d3fad4c6d6f33109e956ad34d82639bbdf862ab6)
    #1 0x58e98744f4d2 in native_thread_create0 /tmp/ruby/src/trunk_asan/thread_pthread.c:2151:11
    #2 0x58e98744f4d2 in native_thread_create_dedicated /tmp/ruby/src/trunk_asan/thread_pthread.c:2216:15
    #3 0x58e98744f4d2 in native_thread_create /tmp/ruby/src/trunk_asan/thread_pthread.c:2399:16
    #4 0x58e98744f4d2 in thread_create_core /tmp/ruby/src/trunk_asan/thread.c:875:11
    #5 0x58e9874677a0 in thread_initialize /tmp/ruby/src/trunk_asan/thread.c:983:16
    #6 0x58e98756c5a0 in vm_call0_cfunc_with_frame /tmp/ruby/src/trunk_asan/vm_eval.c:164:15
    #7 0x58e98756c5a0 in vm_call0_cfunc /tmp/ruby/src/trunk_asan/vm_eval.c:178:12
    #8 0x58e98756c5a0 in vm_call0_body /tmp/ruby/src/trunk_asan/vm_eval.c:229:15
    #9 0x58e9875712e8 in vm_call0_cc /tmp/ruby/src/trunk_asan/vm_eval.c:101:12
    #10 0x58e9875712e8 in rb_call0 /tmp/ruby/src/trunk_asan/vm_eval.c:572:12
    #11 0x58e9875170a6 in rb_call /tmp/ruby/src/trunk_asan/vm_eval.c:891:12
    #12 0x58e9875170a6 in rb_funcallv_kw /tmp/ruby/src/trunk_asan/vm_eval.c:1088:12
    #13 0x58e98712d6e7 in rb_obj_call_init_kw /tmp/ruby/src/trunk_asan/eval.c:1873:5
    #14 0x58e987464a09 in thread_s_new /tmp/ruby/src/trunk_asan/thread.c:916:5
    #15 0x58e987556607 in vm_call_cfunc_with_frame_ /tmp/ruby/src/trunk_asan/vm_insnhelper.c:3784:11
    #16 0x58e9874e71da in vm_sendish /tmp/ruby/src/trunk_asan/vm_insnhelper.c:5995:15
    #17 0x58e9874ee318 in vm_exec_core /tmp/ruby/build/trunk_asan/../../src/trunk_asan/insns.def:1091:11
    #18 0x58e9874e86a6 in rb_vm_exec /tmp/ruby/src/trunk_asan/vm.c:2621:22
    #19 0x58e987576331 in invoke_iseq_block_from_c /tmp/ruby/src/trunk_asan/vm.c:1651:12
    #20 0x58e987576331 in invoke_block_from_c_bh /tmp/ruby/src/trunk_asan/vm.c:1665:20
    #21 0x58e987519867 in vm_yield_with_cref /tmp/ruby/src/trunk_asan/vm.c:1702:12
    #22 0x58e987519867 in vm_yield /tmp/ruby/src/trunk_asan/vm.c:1710:12
    #23 0x58e987519867 in rb_yield_0 /tmp/ruby/src/trunk_asan/vm_eval.c:1362:12
    #24 0x58e987519867 in rb_yield /tmp/ruby/src/trunk_asan/vm_eval.c
    #25 0x58e9876dc522 in rb_ary_collect /tmp/ruby/src/trunk_asan/array.c:3654:30
    #26 0x58e987556607 in vm_call_cfunc_with_frame_ /tmp/ruby/src/trunk_asan/vm_insnhelper.c:3784:11
    #27 0x58e9874f4599 in vm_sendish /tmp/ruby/src/trunk_asan/vm_insnhelper.c:5991:15
    #28 0x58e9874f4599 in vm_exec_core /tmp/ruby/build/trunk_asan/../../src/trunk_asan/insns.def:851:11
    #29 0x58e9874e8a9a in vm_exec_loop /tmp/ruby/src/trunk_asan/vm.c:2648:22
    #30 0x58e9874e8a9a in rb_vm_exec /tmp/ruby/src/trunk_asan/vm.c:2627:18
    #31 0x58e987576331 in invoke_iseq_block_from_c /tmp/ruby/src/trunk_asan/vm.c:1651:12
    #32 0x58e987576331 in invoke_block_from_c_bh /tmp/ruby/src/trunk_asan/vm.c:1665:20
    #33 0x58e987519867 in vm_yield_with_cref /tmp/ruby/src/trunk_asan/vm.c:1702:12
    #34 0x58e987519867 in vm_yield /tmp/ruby/src/trunk_asan/vm.c:1710:12
    #35 0x58e987519867 in rb_yield_0 /tmp/ruby/src/trunk_asan/vm_eval.c:1362:12
    #36 0x58e987519867 in rb_yield /tmp/ruby/src/trunk_asan/vm_eval.c
    #37 0x58e9876dc522 in rb_ary_collect /tmp/ruby/src/trunk_asan/array.c:3654:30
    #38 0x58e987556607 in vm_call_cfunc_with_frame_ /tmp/ruby/src/trunk_asan/vm_insnhelper.c:3784:11
    #39 0x58e9874f4599 in vm_sendish /tmp/ruby/src/trunk_asan/vm_insnhelper.c:5991:15
    #40 0x58e9874f4599 in vm_exec_core /tmp/ruby/build/trunk_asan/../../src/trunk_asan/insns.def:851:11
    #41 0x58e9874e8a9a in vm_exec_loop /tmp/ruby/src/trunk_asan/vm.c:2648:22
    #42 0x58e9874e8a9a in rb_vm_exec /tmp/ruby/src/trunk_asan/vm.c:2627:18
    #43 0x58e987530667 in rb_iseq_eval_main /tmp/ruby/src/trunk_asan/vm.c:2901:11
    #44 0x58e987126cc9 in rb_ec_exec_node /tmp/ruby/src/trunk_asan/eval.c:282:9
    #45 0x58e987126cc9 in ruby_run_node /tmp/ruby/src/trunk_asan/eval.c:320:30
    #46 0x58e98711fc36 in rb_main /tmp/ruby/src/trunk_asan/main.c:42:12
    #47 0x58e98711fc36 in main /tmp/ruby/src/trunk_asan/main.c:62:12
    #48 0x7927ba42a1c9 in __libc_start_call_main csu/../sysdeps/nptl/libc_start_call_main.h:58:16
    #49 0x7927ba42a28a in __libc_start_main csu/../csu/libc-start.c:360:3
    #50 0x58e987043a04 in _start (/tmp/ruby/build/trunk_asan/ruby+0x16ba04) (BuildId: d3fad4c6d6f33109e956ad34d82639bbdf862ab6)
==681572==ABORTING
/tmp/ruby/src/trunk_asan/test/ruby/test_thread.rb:1277: [BUG] ASAN error
ruby 3.5.0dev (2025-07-29T21:45:11Z master 1a4c0a9913) +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) [0x58e987089de9]
/tmp/ruby/build/trunk_asan/ruby(rb_print_backtrace+0x14) [0x58e9879d9b38] /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) [0x58e98791ef45] /tmp/ruby/src/trunk_asan/error.c:1097
/tmp/ruby/build/trunk_asan/ruby(rb_bug_without_die+0x12c) [0x58e98791ebdc] /tmp/ruby/src/trunk_asan/error.c:1106
/tmp/ruby/src/trunk_asan/tool/lib/test/unit/parallel.rb: TestThread#test_fork_while_locked(0x58e98710630a) [0x58e98710630a]
/tmp/ruby/src/trunk_asan/tool/lib/test/unit/parallel.rb: TestThread#test_fork_while_locked(0x58e9870e6d8f) [0x58e9870e6d8f]
/tmp/ruby/src/trunk_asan/tool/lib/test/unit/parallel.rb: TestThread#test_fork_while_locked(0x58e9870e9e1d) [0x58e9870e9e1d]
/tmp/ruby/src/trunk_asan/tool/lib/test/unit/parallel.rb: TestThread#test_fork_while_locked(__asan_report_load8) [0x58e9870eab7c]
/tmp/ruby/build/trunk_asan/ruby(rb_objspace_call_finalizer+0xfec) [0x58e9871574bc] /tmp/ruby/src/trunk_asan/include/ruby/internal/value_type.h:191
/tmp/ruby/build/trunk_asan/ruby(rb_ec_finalize+0x2a) [0x58e9871261b3] /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) [0x58e9871258a4] /tmp/ruby/src/trunk_asan/eval.c:179
/tmp/ruby/build/trunk_asan/ruby(ruby_stop+0xb) [0x58e9871267bb] /tmp/ruby/src/trunk_asan/eval.c:291
/tmp/ruby/build/trunk_asan/ruby(rb_f_fork+0x16d) [0x58e9872cba6d] /tmp/ruby/src/trunk_asan/process.c:4291
/tmp/ruby/build/trunk_asan/ruby(vm_cfp_consistent_p+0x0) [0x58e987556608] /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) [0x58e9874f459a] /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) [0x58e9874e86a7] /tmp/ruby/src/trunk_asan/vm.c:2621
/tmp/ruby/build/trunk_asan/ruby(invoke_iseq_block_from_c+0x701) [0x58e987576332] /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) [0x58e987519868] /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) [0x58e98712b947] /tmp/ruby/src/trunk_asan/eval.c:1173
/tmp/ruby/build/trunk_asan/ruby(vm_cfp_consistent_p+0x0) [0x58e987556608] /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) [0x58e9874f459a] /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) [0x58e9874e86a7] /tmp/ruby/src/trunk_asan/vm.c:2621
/tmp/ruby/build/trunk_asan/ruby(invoke_iseq_block_from_c+0x1ee) [0x58e98752b81b] /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) [0x58e987529a96] /tmp/ruby/src/trunk_asan/vm.c:1796
/tmp/ruby/build/trunk_asan/ruby(thread_do_start_proc+0x7dd) [0x58e987473c0d] /tmp/ruby/src/trunk_asan/thread.c:605
/tmp/ruby/build/trunk_asan/ruby(thread_do_start+0x197) [0x58e987471776] /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) [0x58e987470a5e] /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(0x58e9870dfb7f) [0x58e9870dfb7f]
/lib/x86_64-linux-gnu/libc.so.6(start_thread+0x384) [0x7927ba49caa4] ./nptl/pthread_create.c:447
/lib/x86_64-linux-gnu/libc.so.6(clone3+0x2c) [0x7927ba529c3c] ../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 -----------------------------------------------
=================================================================
==681778==ERROR: AddressSanitizer: use-after-poison on address 0x7927b9958cb0 at pc 0x58e9871574bc bp 0x7927951fcdf0 sp 0x7927951fcde8
READ of size 8 at 0x7927b9958cb0 thread T216
=================================================================
==681787==ERROR: AddressSanitizer: use-after-poison on address 0x7927b9958cb0 at pc 0x58e9871574bc bp 0x79278a9c0df0 sp 0x79278a9c0de8
READ of size 8 at 0x7927b9958cb0 thread T217
    #0 0x58e9871574bb in RB_BUILTIN_TYPE /tmp/ruby/src/trunk_asan/include/ruby/internal/value_type.h:191:30
    #1 0x58e9871574bb in rb_gc_shutdown_call_finalizer_p /tmp/ruby/src/trunk_asan/gc.c:357:18
    #2 0x58e9871574bb in rb_gc_impl_shutdown_call_finalizer /tmp/ruby/src/trunk_asan/gc/default/default.c:3045:21
    #3 0x58e9871574bb in rb_objspace_call_finalizer /tmp/ruby/src/trunk_asan/gc.c:1739:5
    #4 0x58e9871261b2 in rb_ec_finalize /tmp/ruby/src/trunk_asan/eval.c:165:5
    #5 0x58e9871261b2 in rb_ec_cleanup /tmp/ruby/src/trunk_asan/eval.c:256:5
    #6 0x58e9871258a3 in ruby_cleanup /tmp/ruby/src/trunk_asan/eval.c:179:12
    #7 0x58e9871267ba in ruby_stop /tmp/ruby/src/trunk_asan/eval.c:291:10
    #8 0x58e9872cba6c in rb_f_fork /tmp/ruby/src/trunk_asan/process.c:4291:13
    #9 0x58e987556607 in vm_call_cfunc_with_frame_ /tmp/ruby/src/trunk_asan/vm_insnhelper.c:3784:11
    #10 0x58e9874f4599 in vm_sendish /tmp/ruby/src/trunk_asan/vm_insnhelper.c:5991:15
    #11 0x58e9874f4599 in vm_exec_core /tmp/ruby/build/trunk_asan/../../src/trunk_asan/insns.def:851:11
    #12 0x58e9874e86a6 in rb_vm_exec /tmp/ruby/src/trunk_asan/vm.c:2621:22
    #13 0x58e987576331 in invoke_iseq_block_from_c /tmp/ruby/src/trunk_asan/vm.c:1651:12
    #14 0x58e987576331 in invoke_block_from_c_bh /tmp/ruby/src/trunk_asan/vm.c:1665:20
    #15 0x58e987519867 in vm_yield_with_cref /tmp/ruby/src/trunk_asan/vm.c:1702:12
    #16 0x58e987519867 in vm_yield /tmp/ruby/src/trunk_asan/vm.c:1710:12
    #17 0x58e987519867 in rb_yield_0 /tmp/ruby/src/trunk_asan/vm_eval.c:1362:12
    #18 0x58e987519867 in rb_yield /tmp/ruby/src/trunk_asan/vm_eval.c
    #19 0x58e98712b946 in rb_ensure /tmp/ruby/src/trunk_asan/eval.c:1173:18
    #20 0x58e987556607 in vm_call_cfunc_with_frame_ /tmp/ruby/src/trunk_asan/vm_insnhelper.c:3784:11
    #21 0x58e9874f4599 in vm_sendish /tmp/ruby/src/trunk_asan/vm_insnhelper.c:5991:15
    #22 0x58e9874f4599 in vm_exec_core /tmp/ruby/build/trunk_asan/../../src/trunk_asan/insns.def:851:11
    #23 0x58e9874e86a6 in rb_vm_exec /tmp/ruby/src/trunk_asan/vm.c:2621:22
    #24 0x58e98752b81a in invoke_iseq_block_from_c /tmp/ruby/src/trunk_asan/vm.c:1651:12
    #25 0x58e98752b81a in invoke_block_from_c_proc /tmp/ruby/src/trunk_asan/vm.c:1745:16
    #26 0x58e98752b81a in vm_invoke_proc /tmp/ruby/src/trunk_asan/vm.c:1775:12
    #27 0x58e987529a95 in rb_vm_invoke_proc /tmp/ruby/src/trunk_asan/vm.c:1796:16
    #28 0x58e987473c0c in thread_do_start_proc /tmp/ruby/src/trunk_asan/thread.c:605:16
    #29 0x58e987471775 in thread_do_start /tmp/ruby/src/trunk_asan/thread.c:622:18
    #30 0x58e987471775 in thread_start_func_2 /tmp/ruby/src/trunk_asan/thread.c:677:18
    #31 0x58e987470a5d in call_thread_start_func_2 /tmp/ruby/src/trunk_asan/thread_pthread.c:2237:5
    #32 0x58e987470a5d in nt_start /tmp/ruby/src/trunk_asan/thread_pthread.c:2282:13
    #33 0x58e9870dfb7e in asan_thread_start(void*) asan_interceptors.cpp.o
    #34 0x7927ba49caa3 in start_thread nptl/pthread_create.c:447:8
    #35 0x7927ba529c3b in clone3 misc/../sysdeps/unix/sysv/linux/x86_64/clone3.S:78
Address 0x7927b9958cb0 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:
  0x7927b9958a00: f7 f7 f7 f7 f7 f7 f7 f7 f7 f7 f7 f7 f7 f7 f7 f7
  0x7927b9958a80: f7 f7 f7 f7 f7 f7 f7 f7 f7 f7 f7 f7 f7 f7 f7 f7
  0x7927b9958b00: f7 f7 f7 f7 f7 f7 f7 f7 f7 f7 f7 f7 f7 f7 f7 f7
  0x7927b9958b80: f7 f7 f7 f7 f7 f7 f7 f7 f7 f7 f7 f7 f7 f7 f7 f7
  0x7927b9958c00: f7 f7 f7 f7 f7 f7 f7 f7 f7 f7 f7 f7 00 00 00 00
=>0x7927b9958c80: 00 00 00 00 00 00[f7]f7 f7 f7 f7 f7 f7 f7 f7 f7
  0x7927b9958d00: f7 f7 f7 f7 f7 f7 f7 f7 f7 f7 00 00 00 00 00 00
  0x7927b9958d80: 00 00 00 00 f7 f7 f7 f7 f7 f7 f7 f7 f7 f7 f7 f7
  0x7927b9958e00: f7 f7 f7 f7 f7 f7 f7 f7 00 00 00 00 00 00 00 00
  0x7927b9958e80: 00 00 f7 f7 f7 f7 f7 f7 f7 f7 f7 f7 f7 f7 f7 f7
  0x7927b9958f00: f7 f7 f7 f7 f7 f7 00 00 00 00 00 00 00 00 00 00
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 T216 created by T0 here:
    #0 0x58e9870c7821 in pthread_create (/tmp/ruby/build/trunk_asan/ruby+0x1ef821) (BuildId: d3fad4c6d6f33109e956ad34d82639bbdf862ab6)
    #1 0x58e98744f4d2 in native_thread_create0 /tmp/ruby/src/trunk_asan/thread_pthread.c:2151:11
    #2 0x58e98744f4d2 in native_thread_create_dedicated /tmp/ruby/src/trunk_asan/thread_pthread.c:2216:15
    #3 0x58e98744f4d2 in native_thread_create /tmp/ruby/src/trunk_asan/thread_pthread.c:2399:16
    #4 0x58e98744f4d2 in thread_create_core /tmp/ruby/src/trunk_asan/thread.c:875:11
    #5 0x58e9874677a0 in thread_initialize /tmp/ruby/src/trunk_asan/thread.c:983:16
    #6 0x58e98756c5a0 in vm_call0_cfunc_with_frame /tmp/ruby/src/trunk_asan/vm_eval.c:164:15
    #7 0x58e98756c5a0 in vm_call0_cfunc /tmp/ruby/src/trunk_asan/vm_eval.c:178:12
    #8 0x58e98756c5a0 in vm_call0_body /tmp/ruby/src/trunk_asan/vm_eval.c:229:15
    #9 0x58e9875712e8 in vm_call0_cc /tmp/ruby/src/trunk_asan/vm_eval.c:101:12
    #10 0x58e9875712e8 in rb_call0 /tmp/ruby/src/trunk_asan/vm_eval.c:572:12
    #11 0x58e9875170a6 in rb_call /tmp/ruby/src/trunk_asan/vm_eval.c:891:12
    #12 0x58e9875170a6 in rb_funcallv_kw /tmp/ruby/src/trunk_asan/vm_eval.c:1088:12
    #13 0x58e98712d6e7 in rb_obj_call_init_kw /tmp/ruby/src/trunk_asan/eval.c:1873:5
    #14 0x58e987464a09 in thread_s_new /tmp/ruby/src/trunk_asan/thread.c:916:5
    #15 0x58e987556607 in vm_call_cfunc_with_frame_ /tmp/ruby/src/trunk_asan/vm_insnhelper.c:3784:11
    #16 0x58e9874e71da in vm_sendish /tmp/ruby/src/trunk_asan/vm_insnhelper.c:5995:15
    #17 0x58e9874ee318 in vm_exec_core /tmp/ruby/build/trunk_asan/../../src/trunk_asan/insns.def:1091:11
    #18 0x58e9874e86a6 in rb_vm_exec /tmp/ruby/src/trunk_asan/vm.c:2621:22
    #19 0x58e987576331 in invoke_iseq_block_from_c /tmp/ruby/src/trunk_asan/vm.c:1651:12
    #20 0x58e987576331 in invoke_block_from_c_bh /tmp/ruby/src/trunk_asan/vm.c:1665:20
    #21 0x58e987519867 in vm_yield_with_cref /tmp/ruby/src/trunk_asan/vm.c:1702:12
    #22 0x58e987519867 in vm_yield /tmp/ruby/src/trunk_asan/vm.c:1710:12
    #23 0x58e987519867 in rb_yield_0 /tmp/ruby/src/trunk_asan/vm_eval.c:1362:12
    #24 0x58e987519867 in rb_yield /tmp/ruby/src/trunk_asan/vm_eval.c
    #25 0x58e9876dc522 in rb_ary_collect /tmp/ruby/src/trunk_asan/array.c:3654:30
    #26 0x58e987556607 in vm_call_cfunc_with_frame_ /tmp/ruby/src/trunk_asan/vm_insnhelper.c:3784:11
    #27 0x58e9874f4599 in vm_sendish /tmp/ruby/src/trunk_asan/vm_insnhelper.c:5991:15
    #28 0x58e9874f4599 in vm_exec_core /tmp/ruby/build/trunk_asan/../../src/trunk_asan/insns.def:851:11
    #29 0x58e9874e8a9a in vm_exec_loop /tmp/ruby/src/trunk_asan/vm.c:2648:22
    #30 0x58e9874e8a9a in rb_vm_exec /tmp/ruby/src/trunk_asan/vm.c:2627:18
    #31 0x58e987576331 in invoke_iseq_block_from_c /tmp/ruby/src/trunk_asan/vm.c:1651:12
    #32 0x58e987576331 in invoke_block_from_c_bh /tmp/ruby/src/trunk_asan/vm.c:1665:20
    #33 0x58e987519867 in vm_yield_with_cref /tmp/ruby/src/trunk_asan/vm.c:1702:12
    #34 0x58e987519867 in vm_yield /tmp/ruby/src/trunk_asan/vm.c:1710:12
    #35 0x58e987519867 in rb_yield_0 /tmp/ruby/src/trunk_asan/vm_eval.c:1362:12
    #36 0x58e987519867 in rb_yield /tmp/ruby/src/trunk_asan/vm_eval.c
    #37 0x58e9876dc522 in rb_ary_collect /tmp/ruby/src/trunk_asan/array.c:3654:30
    #38 0x58e987556607 in vm_call_cfunc_with_frame_ /tmp/ruby/src/trunk_asan/vm_insnhelper.c:3784:11
    #39 0x58e9874f4599 in vm_sendish /tmp/ruby/src/trunk_asan/vm_insnhelper.c:5991:15
    #40 0x58e9874f4599 in vm_exec_core /tmp/ruby/build/trunk_asan/../../src/trunk_asan/insns.def:851:11
    #41 0x58e9874e8a9a in vm_exec_loop /tmp/ruby/src/trunk_asan/vm.c:2648:22
    #42 0x58e9874e8a9a in rb_vm_exec /tmp/ruby/src/trunk_asan/vm.c:2627:18
    #43 0x58e987530667 in rb_iseq_eval_main /tmp/ruby/src/trunk_asan/vm.c:2901:11
    #44 0x58e987126cc9 in rb_ec_exec_node /tmp/ruby/src/trunk_asan/eval.c:282:9
    #45 0x58e987126cc9 in ruby_run_node /tmp/ruby/src/trunk_asan/eval.c:320:30
    #46 0x58e98711fc36 in rb_main /tmp/ruby/src/trunk_asan/main.c:42:12
    #47 0x58e98711fc36 in main /tmp/ruby/src/trunk_asan/main.c:62:12
    #48 0x7927ba42a1c9 in __libc_start_call_main csu/../sysdeps/nptl/libc_start_call_main.h:58:16
    #49 0x7927ba42a28a in __libc_start_main csu/../csu/libc-start.c:360:3
    #50 0x58e987043a04 in _start (/tmp/ruby/build/trunk_asan/ruby+0x16ba04) (BuildId: d3fad4c6d6f33109e956ad34d82639bbdf862ab6)
==681778==ABORTING
/tmp/ruby/src/trunk_asan/test/ruby/test_thread.rb:1277: [BUG] ASAN error
ruby 3.5.0dev (2025-07-29T21:45:11Z master 1a4c0a9913) +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 0x58e9871574bb in RB_BUILTIN_TYPE /tmp/ruby/src/trunk_asan/include/ruby/internal/value_type.h:191:30
    #1 0x58e9871574bb in rb_gc_shutdown_call_finalizer_p /tmp/ruby/src/trunk_asan/gc.c:357:18
    #2 0x58e9871574bb in rb_gc_impl_shutdown_call_finalizer /tmp/ruby/src/trunk_asan/gc/default/default.c:3045:21
    #3 0x58e9871574bb in rb_objspace_call_finalizer /tmp/ruby/src/trunk_asan/gc.c:1739:5
    #4 0x58e9871261b2 in rb_ec_finalize /tmp/ruby/src/trunk_asan/eval.c:165:5
    #5 0x58e9871261b2 in rb_ec_cleanup /tmp/ruby/src/trunk_asan/eval.c:256:5
    #6 0x58e9871258a3 in ruby_cleanup /tmp/ruby/src/trunk_asan/eval.c:179:12
    #7 0x58e9871267ba in ruby_stop /tmp/ruby/src/trunk_asan/eval.c:291:10
    #8 0x58e9872cba6c in rb_f_fork /tmp/ruby/src/trunk_asan/process.c:4291:13
    #9 0x58e987556607 in vm_call_cfunc_with_frame_ /tmp/ruby/src/trunk_asan/vm_insnhelper.c:3784:11
    #10 0x58e9874f4599 in vm_sendish /tmp/ruby/src/trunk_asan/vm_insnhelper.c:5991:15
    #11 0x58e9874f4599 in vm_exec_core /tmp/ruby/build/trunk_asan/../../src/trunk_asan/insns.def:851:11
    #12 0x58e9874e86a6 in rb_vm_exec /tmp/ruby/src/trunk_asan/vm.c:2621:22
    #13 0x58e987576331 in invoke_iseq_block_from_c /tmp/ruby/src/trunk_asan/vm.c:1651:12
    #14 0x58e987576331 in invoke_block_from_c_bh /tmp/ruby/src/trunk_asan/vm.c:1665:20
    #15 0x58e987519867 in vm_yield_with_cref /tmp/ruby/src/trunk_asan/vm.c:1702:12
    #16 0x58e987519867 in vm_yield /tmp/ruby/src/trunk_asan/vm.c:1710:12
    #17 0x58e987519867 in rb_yield_0 /tmp/ruby/src/trunk_asan/vm_eval.c:1362:12
    #18 0x58e987519867 in rb_yield /tmp/ruby/src/trunk_asan/vm_eval.c
    #19 0x58e98712b946 in rb_ensure /tmp/ruby/src/trunk_asan/eval.c:1173:18
    #20 0x58e987556607 in vm_call_cfunc_with_frame_ /tmp/ruby/src/trunk_asan/vm_insnhelper.c:3784:11
    #21 0x58e9874f4599 in vm_sendish /tmp/ruby/src/trunk_asan/vm_insnhelper.c:5991:15
    #22 0x58e9874f4599 in vm_exec_core /tmp/ruby/build/trunk_asan/../../src/trunk_asan/insns.def:851:11
    #23 0x58e9874e86a6 in rb_vm_exec /tmp/ruby/src/trunk_asan/vm.c:2621:22
    #24 0x58e98752b81a in invoke_iseq_block_from_c /tmp/ruby/src/trunk_asan/vm.c:1651:12
    #25 0x58e98752b81a in invoke_block_from_c_proc /tmp/ruby/src/trunk_asan/vm.c:1745:16
    #26 0x58e98752b81a in vm_invoke_proc /tmp/ruby/src/trunk_asan/vm.c:1775:12
    #27 0x58e987529a95 in rb_vm_invoke_proc /tmp/ruby/src/trunk_asan/vm.c:1796:16
    #28 0x58e987473c0c in thread_do_start_proc /tmp/ruby/src/trunk_asan/thread.c:605:16
    #29 0x58e987471775 in thread_do_start /tmp/ruby/src/trunk_asan/thread.c:622:18
    #30 0x58e987471775 in thread_start_func_2 /tmp/ruby/src/trunk_asan/thread.c:677:18
    #31 0x58e987470a5d in call_thread_start_func_2 /tmp/ruby/src/trunk_asan/thread_pthread.c:2237:5
    #32 0x58e987470a5d in nt_start /tmp/ruby/src/trunk_asan/thread_pthread.c:2282:13
    #33 0x58e9870dfb7e in asan_thread_start(void*) asan_interceptors.cpp.o
    #34 0x7927ba49caa3 in start_thread nptl/pthread_create.c:447:8
    #35 0x7927ba529c3b in clone3 misc/../sysdeps/unix/sysv/linux/x86_64/clone3.S:78
Address 0x7927b9958cb0 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:
  0x7927b9958a00: f7 f7 f7 f7 f7 f7 f7 f7 f7 f7 f7 f7 f7 f7 f7 f7
  0x7927b9958a80: f7 f7 f7 f7 f7 f7 f7 f7 f7 f7 f7 f7 f7 f7 f7 f7
  0x7927b9958b00: f7 f7 f7 f7 f7 f7 f7 f7 f7 f7 f7 f7 f7 f7 f7 f7
  0x7927b9958b80: f7 f7 f7 f7 f7 f7 f7 f7 f7 f7 f7 f7 f7 f7 f7 f7
  0x7927b9958c00: f7 f7 f7 f7 f7 f7 f7 f7 f7 f7 f7 f7 00 00 00 00
=>0x7927b9958c80: 00 00 00 00 00 00[f7]f7 f7 f7 f7 f7 f7 f7 f7 f7
  0x7927b9958d00: f7 f7 f7 f7 f7 f7 f7 f7 f7 f7 00 00 00 00 00 00
  0x7927b9958d80: 00 00 00 00 f7 f7 f7 f7 f7 f7 f7 f7 f7 f7 f7 f7
  0x7927b9958e00: f7 f7 f7 f7 f7 f7 f7 f7 00 00 00 00 00 00 00 00
  0x7927b9958e80: 00 00 f7 f7 f7 f7 f7 f7 f7 f7 f7 f7 f7 f7 f7 f7
  0x7927b9958f00: f7 f7 f7 f7 f7 f7 00 00 00 00 00 00 00 00 00 00
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 T217 created by T0 here:
    #0 0x58e9870c7821 in pthread_create (/tmp/ruby/build/trunk_asan/ruby+0x1ef821) (BuildId: d3fad4c6d6f33109e956ad34d82639bbdf862ab6)
    #1 0x58e98744f4d2 in native_thread_create0 /tmp/ruby/src/trunk_asan/thread_pthread.c:2151:11
    #2 0x58e98744f4d2 in native_thread_create_dedicated /tmp/ruby/src/trunk_asan/thread_pthread.c:2216:15
    #3 0x58e98744f4d2 in native_thread_create /tmp/ruby/src/trunk_asan/thread_pthread.c:2399:16
    #4 0x58e98744f4d2 in thread_create_core /tmp/ruby/src/trunk_asan/thread.c:875:11
    #5 0x58e9874677a0 in thread_initialize /tmp/ruby/src/trunk_asan/thread.c:983:16
    #6 0x58e98756c5a0 in vm_call0_cfunc_with_frame /tmp/ruby/src/trunk_asan/vm_eval.c:164:15
    #7 0x58e98756c5a0 in vm_call0_cfunc /tmp/ruby/src/trunk_asan/vm_eval.c:178:12
    #8 0x58e98756c5a0 in vm_call0_body /tmp/ruby/src/trunk_asan/vm_eval.c:229:15
    #9 0x58e9875712e8 in vm_call0_cc /tmp/ruby/src/trunk_asan/vm_eval.c:101:12
    #10 0x58e9875712e8 in rb_call0 /tmp/ruby/src/trunk_asan/vm_eval.c:572:12
    #11 0x58e9875170a6 in rb_call /tmp/ruby/src/trunk_asan/vm_eval.c:891:12
    #12 0x58e9875170a6 in rb_funcallv_kw /tmp/ruby/src/trunk_asan/vm_eval.c:1088:12
    #13 0x58e98712d6e7 in rb_obj_call_init_kw /tmp/ruby/src/trunk_asan/eval.c:1873:5
    #14 0x58e987464a09 in thread_s_new /tmp/ruby/src/trunk_asan/thread.c:916:5
    #15 0x58e987556607 in vm_call_cfunc_with_frame_ /tmp/ruby/src/trunk_asan/vm_insnhelper.c:3784:11
    #16 0x58e9874e71da in vm_sendish /tmp/ruby/src/trunk_asan/vm_insnhelper.c:5995:15
    #17 0x58e9874ee318 in vm_exec_core /tmp/ruby/build/trunk_asan/../../src/trunk_asan/insns.def:1091:11
    #18 0x58e9874e86a6 in rb_vm_exec /tmp/ruby/src/trunk_asan/vm.c:2621:22
    #19 0x58e987576331 in invoke_iseq_block_from_c /tmp/ruby/src/trunk_asan/vm.c:1651:12
    #20 0x58e987576331 in invoke_block_from_c_bh /tmp/ruby/src/trunk_asan/vm.c:1665:20
    #21 0x58e987519867 in vm_yield_with_cref /tmp/ruby/src/trunk_asan/vm.c:1702:12
    #22 0x58e987519867 in vm_yield /tmp/ruby/src/trunk_asan/vm.c:1710:12
    #23 0x58e987519867 in rb_yield_0 /tmp/ruby/src/trunk_asan/vm_eval.c:1362:12
    #24 0x58e987519867 in rb_yield /tmp/ruby/src/trunk_asan/vm_eval.c
    #25 0x58e9876dc522 in rb_ary_collect /tmp/ruby/src/trunk_asan/array.c:3654:30
    #26 0x58e987556607 in vm_call_cfunc_with_frame_ /tmp/ruby/src/trunk_asan/vm_insnhelper.c:3784:11
    #27 0x58e9874f4599 in vm_sendish /tmp/ruby/src/trunk_asan/vm_insnhelper.c:5991:15
    #28 0x58e9874f4599 in vm_exec_core /tmp/ruby/build/trunk_asan/../../src/trunk_asan/insns.def:851:11
    #29 0x58e9874e8a9a in vm_exec_loop /tmp/ruby/src/trunk_asan/vm.c:2648:22
    #30 0x58e9874e8a9a in rb_vm_exec /tmp/ruby/src/trunk_asan/vm.c:2627:18
    #31 0x58e987576331 in invoke_iseq_block_from_c /tmp/ruby/src/trunk_asan/vm.c:1651:12
    #32 0x58e987576331 in invoke_block_from_c_bh /tmp/ruby/src/trunk_asan/vm.c:1665:20
    #33 0x58e987519867 in vm_yield_with_cref /tmp/ruby/src/trunk_asan/vm.c:1702:12
    #34 0x58e987519867 in vm_yield /tmp/ruby/src/trunk_asan/vm.c:1710:12
    #35 0x58e987519867 in rb_yield_0 /tmp/ruby/src/trunk_asan/vm_eval.c:1362:12
    #36 0x58e987519867 in rb_yield /tmp/ruby/src/trunk_asan/vm_eval.c
    #37 0x58e9876dc522 in rb_ary_collect /tmp/ruby/src/trunk_asan/array.c:3654:30
    #38 0x58e987556607 in vm_call_cfunc_with_frame_ /tmp/ruby/src/trunk_asan/vm_insnhelper.c:3784:11
    #39 0x58e9874f4599 in vm_sendish /tmp/ruby/src/trunk_asan/vm_insnhelper.c:5991:15
    #40 0x58e9874f4599 in vm_exec_core /tmp/ruby/build/trunk_asan/../../src/trunk_asan/insns.def:851:11
    #41 0x58e9874e8a9a in vm_exec_loop /tmp/ruby/src/trunk_asan/vm.c:2648:22
    #42 0x58e9874e8a9a in rb_vm_exec /tmp/ruby/src/trunk_asan/vm.c:2627:18
    #43 0x58e987530667 in rb_iseq_eval_main /tmp/ruby/src/trunk_asan/vm.c:2901:11
    #44 0x58e987126cc9 in rb_ec_exec_node /tmp/ruby/src/trunk_asan/eval.c:282:9
    #45 0x58e987126cc9 in ruby_run_node /tmp/ruby/src/trunk_asan/eval.c:320:30
    #46 0x58e98711fc36 in rb_main /tmp/ruby/src/trunk_asan/main.c:42:12
    #47 0x58e98711fc36 in main /tmp/ruby/src/trunk_asan/main.c:62:12
    #48 0x7927ba42a1c9 in __libc_start_call_main csu/../sysdeps/nptl/libc_start_call_main.h:58:16
    #49 0x7927ba42a28a in __libc_start_main csu/../csu/libc-start.c:360:3
    #50 0x58e987043a04 in _start (/tmp/ruby/build/trunk_asan/ruby+0x16ba04) (BuildId: d3fad4c6d6f33109e956ad34d82639bbdf862ab6)
==681787==ABORTING
/tmp/ruby/src/trunk_asan/test/ruby/test_thread.rb:1277: [BUG] ASAN error
ruby 3.5.0dev (2025-07-29T21:45:11Z master 1a4c0a9913) +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(___interceptor_backtrace) [0x58e987089de9]
/tmp/ruby/build/trunk_asan/ruby(rb_print_backtrace+0x14) [0x58e9879d9b38] /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) [0x58e98791ef45] /tmp/ruby/src/trunk_asan/error.c:1097
/tmp/ruby/build/trunk_asan/ruby(rb_bug_without_die+0x12c) [0x58e98791ebdc] /tmp/ruby/src/trunk_asan/error.c:1106
/tmp/ruby/src/trunk_asan/tool/lib/test/unit/parallel.rb(0x58e98710630a) [0x58e98710630a]
/tmp/ruby/src/trunk_asan/tool/lib/test/unit/parallel.rb(0x58e9870e6d8f) [0x58e9870e6d8f]
/tmp/ruby/src/trunk_asan/tool/lib/test/unit/parallel.rb(0x58e9870e9e1d) [0x58e9870e9e1d]
/tmp/ruby/src/trunk_asan/tool/lib/test/unit/parallel.rb(__asan_report_load8) [0x58e9870eab7c]
/tmp/ruby/build/trunk_asan/ruby(rb_objspace_call_finalizer+0xfec) [0x58e9871574bc] /tmp/ruby/src/trunk_asan/include/ruby/internal/value_type.h:191
/tmp/ruby/build/trunk_asan/ruby(rb_ec_finalize+0x2a) [0x58e9871261b3] /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) [0x58e9871258a4] /tmp/ruby/src/trunk_asan/eval.c:179
/tmp/ruby/build/trunk_asan/ruby(ruby_stop+0xb) [0x58e9871267bb] /tmp/ruby/src/trunk_asan/eval.c:291
/tmp/ruby/build/trunk_asan/ruby(rb_f_fork+0x16d) [0x58e9872cba6d] /tmp/ruby/src/trunk_asan/process.c:4291
/tmp/ruby/build/trunk_asan/ruby(vm_cfp_consistent_p+0x0) [0x58e987556608] /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) [0x58e9874f459a] /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) [0x58e9874e86a7] /tmp/ruby/src/trunk_asan/vm.c:2621
/tmp/ruby/build/trunk_asan/ruby(invoke_iseq_block_from_c+0x701) [0x58e987576332] /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) [0x58e987519868] /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) [0x58e98712b947] /tmp/ruby/src/trunk_asan/eval.c:1173
/tmp/ruby/build/trunk_asan/ruby(vm_cfp_consistent_p+0x0) [0x58e987556608] /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) [0x58e9874f459a] /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) [0x58e9874e86a7] /tmp/ruby/src/trunk_asan/vm.c:2621
/tmp/ruby/build/trunk_asan/ruby(invoke_iseq_block_from_c+0x1ee) [0x58e98752b81b] /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) [0x58e987529a96] /tmp/ruby/src/trunk_asan/vm.c:1796
/tmp/ruby/build/trunk_asan/ruby(thread_do_start_proc+0x7dd) [0x58e987473c0d] /tmp/ruby/src/trunk_asan/thread.c:605
/tmp/ruby/build/trunk_asan/ruby(thread_do_start+0x197) [0x58e987471776] /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) [0x58e987470a5e] /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(0x58e9870dfb7f) [0x58e9870dfb7f]
/lib/x86_64-linux-gnu/libc.so.6(start_thread+0x384) [0x7927ba49caa4] ./nptl/pthread_create.c:447
/lib/x86_64-linux-gnu/libc.so.6(clone3+0x2c) [0x7927ba529c3c] ../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: TestThread#test_fork_while_locked(___interceptor_backtrace) [0x58e987089de9]
/tmp/ruby/build/trunk_asan/ruby(rb_print_backtrace+0x14) [0x58e9879d9b38] /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) [0x58e98791ef45] /tmp/ruby/src/trunk_asan/error.c:1097
/tmp/ruby/build/trunk_asan/ruby(rb_bug_without_die+0x12c) [0x58e98791ebdc] /tmp/ruby/src/trunk_asan/error.c:1106
/tmp/ruby/src/trunk_asan/tool/lib/test/unit/parallel.rb: TestThread#test_fork_while_locked(0x58e98710630a) [0x58e98710630a]
/tmp/ruby/src/trunk_asan/tool/lib/test/unit/parallel.rb: TestThread#test_fork_while_locked(0x58e9870e6d8f) [0x58e9870e6d8f]
/tmp/ruby/src/trunk_asan/tool/lib/test/unit/parallel.rb: TestThread#test_fork_while_locked(0x58e9870e9e1d) [0x58e9870e9e1d]
/tmp/ruby/src/trunk_asan/tool/lib/test/unit/parallel.rb: TestThread#test_fork_while_locked(__asan_report_load8) [0x58e9870eab7c]
/tmp/ruby/build/trunk_asan/ruby(rb_objspace_call_finalizer+0xfec) [0x58e9871574bc] /tmp/ruby/src/trunk_asan/include/ruby/internal/value_type.h:191
/tmp/ruby/build/trunk_asan/ruby(rb_ec_finalize+0x2a) [0x58e9871261b3] /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) [0x58e9871258a4] /tmp/ruby/src/trunk_asan/eval.c:179
/tmp/ruby/build/trunk_asan/ruby(ruby_stop+0xb) [0x58e9871267bb] /tmp/ruby/src/trunk_asan/eval.c:291
/tmp/ruby/build/trunk_asan/ruby(rb_f_fork+0x16d) [0x58e9872cba6d] /tmp/ruby/src/trunk_asan/process.c:4291
/tmp/ruby/build/trunk_asan/ruby(vm_cfp_consistent_p+0x0) [0x58e987556608] /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) [0x58e9874f459a] /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) [0x58e9874e86a7] /tmp/ruby/src/trunk_asan/vm.c:2621
/tmp/ruby/build/trunk_asan/ruby(invoke_iseq_block_from_c+0x701) [0x58e987576332] /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) [0x58e987519868] /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) [0x58e98712b947] /tmp/ruby/src/trunk_asan/eval.c:1173
/tmp/ruby/build/trunk_asan/ruby(vm_cfp_consistent_p+0x0) [0x58e987556608] /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) [0x58e9874f459a] /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) [0x58e9874e86a7] /tmp/ruby/src/trunk_asan/vm.c:2621
/tmp/ruby/build/trunk_asan/ruby(invoke_iseq_block_from_c+0x1ee) [0x58e98752b81b] /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) [0x58e987529a96] /tmp/ruby/src/trunk_asan/vm.c:1796
/tmp/ruby/build/trunk_asan/ruby(thread_do_start_proc+0x7dd) [0x58e987473c0d] /tmp/ruby/src/trunk_asan/thread.c:605
/tmp/ruby/build/trunk_asan/ruby(thread_do_start+0x197) [0x58e987471776] /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) [0x58e987470a5e] /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(0x58e9870dfb7f) [0x58e9870dfb7f]
/lib/x86_64-linux-gnu/libc.so.6(start_thread+0x384) [0x7927ba49caa4] ./nptl/pthread_create.c:447
/lib/x86_64-linux-gnu/libc.so.6(clone3+0x2c) [0x7927ba529c3c] ../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 -----------------------------------------------
=================================================================
==665258==ERROR: AddressSanitizer: use-after-poison on address 0x76c491965380 at pc 0x62e21e2ec4bc bp 0x7ffe9aac5df0 sp 0x7ffe9aac5de8
READ of size 8 at 0x76c491965380 thread T0
    #0 0x62e21e2ec4bb in RB_BUILTIN_TYPE /tmp/ruby/src/trunk_asan/include/ruby/internal/value_type.h:191:30
    #1 0x62e21e2ec4bb in rb_gc_shutdown_call_finalizer_p /tmp/ruby/src/trunk_asan/gc.c:357:18
    #2 0x62e21e2ec4bb in rb_gc_impl_shutdown_call_finalizer /tmp/ruby/src/trunk_asan/gc/default/default.c:3045:21
    #3 0x62e21e2ec4bb in rb_objspace_call_finalizer /tmp/ruby/src/trunk_asan/gc.c:1739:5
    #4 0x62e21e2bb1b2 in rb_ec_finalize /tmp/ruby/src/trunk_asan/eval.c:165:5
    #5 0x62e21e2bb1b2 in rb_ec_cleanup /tmp/ruby/src/trunk_asan/eval.c:256:5
    #6 0x62e21e2bbd68 in ruby_run_node /tmp/ruby/src/trunk_asan/eval.c:320:12
    #7 0x62e21e2b4c36 in rb_main /tmp/ruby/src/trunk_asan/main.c:42:12
    #8 0x62e21e2b4c36 in main /tmp/ruby/src/trunk_asan/main.c:62:12
    #9 0x76c49262a1c9 in __libc_start_call_main csu/../sysdeps/nptl/libc_start_call_main.h:58:16
    #10 0x76c49262a28a in __libc_start_main csu/../csu/libc-start.c:360:3
    #11 0x62e21e1d8a04 in _start (/tmp/ruby/build/trunk_asan/ruby+0x16ba04) (BuildId: d3fad4c6d6f33109e956ad34d82639bbdf862ab6)
Address 0x76c491965380 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:
  0x76c491965100: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
  0x76c491965180: 00 00 00 00 f7 f7 f7 f7 f7 f7 f7 f7 f7 f7 00 00
  0x76c491965200: 00 00 00 00 00 00 00 00 f7 f7 f7 f7 f7 f7 f7 f7
  0x76c491965280: f7 f7 00 00 00 00 00 00 00 00 00 00 00 00 00 00
  0x76c491965300: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
=>0x76c491965380:[f7]f7 f7 f7 f7 f7 f7 f7 f7 f7 00 00 00 00 00 00
  0x76c491965400: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 f7 f7
  0x76c491965480: f7 f7 f7 f7 f7 f7 f7 f7 00 00 00 00 00 00 00 00
  0x76c491965500: 00 00 f7 f7 f7 f7 f7 f7 f7 f7 f7 f7 00 00 00 00
  0x76c491965580: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
  0x76c491965600: 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
==665258==ABORTING
/tmp/ruby/src/trunk_asan/tool/lib/test/unit/parallel.rb: [BUG] ASAN error
ruby 3.5.0dev (2025-07-29T21:45:11Z master 1a4c0a9913) +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) [0x62e21e21ede9]
/tmp/ruby/build/trunk_asan/ruby(rb_print_backtrace+0x14) [0x62e21eb6eb38] /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) [0x62e21eab3f45] /tmp/ruby/src/trunk_asan/error.c:1097
/tmp/ruby/build/trunk_asan/ruby(rb_bug_without_die+0x12c) [0x62e21eab3bdc] /tmp/ruby/src/trunk_asan/error.c:1106
/tmp/ruby/src/trunk_asan/tool/lib/test/unit/parallel.rb(0x62e21e29b30a) [0x62e21e29b30a]
/tmp/ruby/src/trunk_asan/tool/lib/test/unit/parallel.rb(0x62e21e27bd8f) [0x62e21e27bd8f]
/tmp/ruby/src/trunk_asan/tool/lib/test/unit/parallel.rb(0x62e21e27ee1d) [0x62e21e27ee1d]
/tmp/ruby/src/trunk_asan/tool/lib/test/unit/parallel.rb(__asan_report_load8) [0x62e21e27fb7c]
/tmp/ruby/build/trunk_asan/ruby(rb_objspace_call_finalizer+0xfec) [0x62e21e2ec4bc] /tmp/ruby/src/trunk_asan/include/ruby/internal/value_type.h:191
/tmp/ruby/build/trunk_asan/ruby(rb_ec_finalize+0x2a) [0x62e21e2bb1b3] /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) [0x62e21e2bbd69] /tmp/ruby/src/trunk_asan/eval.c:320
/tmp/ruby/build/trunk_asan/ruby(rb_main+0x25) [0x62e21e2b4c37] /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) [0x76c49262a1ca] ../sysdeps/nptl/libc_start_call_main.h:58
/lib/x86_64-linux-gnu/libc.so.6(call_init+0x0) [0x76c49262a28b] ../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) [0x62e21e1d8a05]
-- Other runtime information -----------------------------------------------
  1) 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 681572 exit 1> to be success?.
  2) Failure:
TestThread#test_fork_while_locked [/tmp/ruby/src/trunk_asan/tool/lib/zombie_hunter.rb:6]:
Expected [[681787, #<Process::Status: pid 681787 exit 1>],
 [681778, #<Process::Status: pid 681778 exit 1>]] to be empty.
make: *** [uncommon.mk:980: yes-test-all] Error 2
"make yes-test-rubyspec MSPECOPT='--error-output stderr -j' TESTS='-j16'" exit with 512.
=================================================================
==1285980==ERROR: AddressSanitizer: use-after-poison on address 0x704da28c0d88 at pc 0x612fad5fc4bc bp 0x7ffd6ec05d50 sp 0x7ffd6ec05d48
READ of size 8 at 0x704da28c0d88 thread T0
    #0 0x612fad5fc4bb in RB_BUILTIN_TYPE /tmp/ruby/src/trunk_asan/include/ruby/internal/value_type.h:191:30
    #1 0x612fad5fc4bb in rb_gc_shutdown_call_finalizer_p /tmp/ruby/src/trunk_asan/gc.c:357:18
    #2 0x612fad5fc4bb in rb_gc_impl_shutdown_call_finalizer /tmp/ruby/src/trunk_asan/gc/default/default.c:3045:21
    #3 0x612fad5fc4bb in rb_objspace_call_finalizer /tmp/ruby/src/trunk_asan/gc.c:1739:5
    #4 0x612fad5cb1b2 in rb_ec_finalize /tmp/ruby/src/trunk_asan/eval.c:165:5
    #5 0x612fad5cb1b2 in rb_ec_cleanup /tmp/ruby/src/trunk_asan/eval.c:256:5
    #6 0x612fad5ca8a3 in ruby_cleanup /tmp/ruby/src/trunk_asan/eval.c:179:12
    #7 0x612fad5cb7ba in ruby_stop /tmp/ruby/src/trunk_asan/eval.c:291:10
    #8 0x612fad770a6c in rb_f_fork /tmp/ruby/src/trunk_asan/process.c:4291:13
    #9 0x612fad9fb607 in vm_call_cfunc_with_frame_ /tmp/ruby/src/trunk_asan/vm_insnhelper.c:3784:11
    #10 0x612fad9e0a24 in vm_call_method_each_type /tmp/ruby/src/trunk_asan/vm_insnhelper.c:4763:16
    #11 0x612fad9e1d74 in vm_call_zsuper /tmp/ruby/src/trunk_asan/vm_insnhelper.c:4461:12
    #12 0x612fad9e1d74 in vm_call_method_each_type /tmp/ruby/src/trunk_asan/vm_insnhelper.c:4830:16
    #13 0x612fad9e04b4 in vm_call_method /tmp/ruby/src/trunk_asan/vm_insnhelper.c
    #14 0x612fad999599 in vm_sendish /tmp/ruby/src/trunk_asan/vm_insnhelper.c:5991:15
    #15 0x612fad999599 in vm_exec_core /tmp/ruby/build/trunk_asan/../../src/trunk_asan/insns.def:851:11
    #16 0x612fad98d6a6 in rb_vm_exec /tmp/ruby/src/trunk_asan/vm.c:2621:22
    #17 0x612fada1b331 in invoke_iseq_block_from_c /tmp/ruby/src/trunk_asan/vm.c:1651:12
    #18 0x612fada1b331 in invoke_block_from_c_bh /tmp/ruby/src/trunk_asan/vm.c:1665:20
    #19 0x612fad9c653a in vm_yield_with_cref /tmp/ruby/src/trunk_asan/vm.c:1702:12
    #20 0x612fad9c653a in yield_under /tmp/ruby/src/trunk_asan/vm_eval.c:2217:12
    #21 0x612fad9fb607 in vm_call_cfunc_with_frame_ /tmp/ruby/src/trunk_asan/vm_insnhelper.c:3784:11
    #22 0x612fad999599 in vm_sendish /tmp/ruby/src/trunk_asan/vm_insnhelper.c:5991:15
    #23 0x612fad999599 in vm_exec_core /tmp/ruby/build/trunk_asan/../../src/trunk_asan/insns.def:851:11
    #24 0x612fad98d6a6 in rb_vm_exec /tmp/ruby/src/trunk_asan/vm.c:2621:22
    #25 0x612fada1b331 in invoke_iseq_block_from_c /tmp/ruby/src/trunk_asan/vm.c:1651:12
    #26 0x612fada1b331 in invoke_block_from_c_bh /tmp/ruby/src/trunk_asan/vm.c:1665:20
    #27 0x612fad9be867 in vm_yield_with_cref /tmp/ruby/src/trunk_asan/vm.c:1702:12
    #28 0x612fad9be867 in vm_yield /tmp/ruby/src/trunk_asan/vm.c:1710:12
    #29 0x612fad9be867 in rb_yield_0 /tmp/ruby/src/trunk_asan/vm_eval.c:1362:12
    #30 0x612fad9be867 in rb_yield /tmp/ruby/src/trunk_asan/vm_eval.c
    #31 0x612fadb9013d in rb_ary_all_p /tmp/ruby/src/trunk_asan/array.c:7892:24
    #32 0x612fad9fb607 in vm_call_cfunc_with_frame_ /tmp/ruby/src/trunk_asan/vm_insnhelper.c:3784:11
    #33 0x612fad999599 in vm_sendish /tmp/ruby/src/trunk_asan/vm_insnhelper.c:5991:15
    #34 0x612fad999599 in vm_exec_core /tmp/ruby/build/trunk_asan/../../src/trunk_asan/insns.def:851:11
    #35 0x612fad98d6a6 in rb_vm_exec /tmp/ruby/src/trunk_asan/vm.c:2621:22
    #36 0x612fada1b331 in invoke_iseq_block_from_c /tmp/ruby/src/trunk_asan/vm.c:1651:12
    #37 0x612fada1b331 in invoke_block_from_c_bh /tmp/ruby/src/trunk_asan/vm.c:1665:20
    #38 0x612fad9be867 in vm_yield_with_cref /tmp/ruby/src/trunk_asan/vm.c:1702:12
    #39 0x612fad9be867 in vm_yield /tmp/ruby/src/trunk_asan/vm.c:1710:12
    #40 0x612fad9be867 in rb_yield_0 /tmp/ruby/src/trunk_asan/vm_eval.c:1362:12
    #41 0x612fad9be867 in rb_yield /tmp/ruby/src/trunk_asan/vm_eval.c
    #42 0x612fadb738d9 in rb_ary_each /tmp/ruby/src/trunk_asan/array.c:2646:9
    #43 0x612fad9fb607 in vm_call_cfunc_with_frame_ /tmp/ruby/src/trunk_asan/vm_insnhelper.c:3784:11
    #44 0x612fad999599 in vm_sendish /tmp/ruby/src/trunk_asan/vm_insnhelper.c:5991:15
    #45 0x612fad999599 in vm_exec_core /tmp/ruby/build/trunk_asan/../../src/trunk_asan/insns.def:851:11
    #46 0x612fad98d6a6 in rb_vm_exec /tmp/ruby/src/trunk_asan/vm.c:2621:22
    #47 0x612fad9d4afa in rb_iseq_eval /tmp/ruby/src/trunk_asan/vm.c:2878:11
    #48 0x612fad6e056b in load_iseq_eval /tmp/ruby/src/trunk_asan/load.c:873:9
    #49 0x612fad6d629a in rb_load_internal /tmp/ruby/src/trunk_asan/load.c:951:9
    #50 0x612fad6dc889 in load_entrypoint_internal /tmp/ruby/src/trunk_asan/load.c:993:5
    #51 0x612fad6dc889 in rb_f_load /tmp/ruby/src/trunk_asan/load.c:1047:12
    #52 0x612fad9fb607 in vm_call_cfunc_with_frame_ /tmp/ruby/src/trunk_asan/vm_insnhelper.c:3784:11
    #53 0x612fad99eccb in vm_sendish /tmp/ruby/src/trunk_asan/vm_insnhelper.c:5991:15
    #54 0x612fad99eccb in vm_exec_core /tmp/ruby/build/trunk_asan/../../src/trunk_asan/insns.def:899:11
    #55 0x612fad98d6a6 in rb_vm_exec /tmp/ruby/src/trunk_asan/vm.c:2621:22
    #56 0x612fada1b331 in invoke_iseq_block_from_c /tmp/ruby/src/trunk_asan/vm.c:1651:12
    #57 0x612fada1b331 in invoke_block_from_c_bh /tmp/ruby/src/trunk_asan/vm.c:1665:20
    #58 0x612fad9c653a in vm_yield_with_cref /tmp/ruby/src/trunk_asan/vm.c:1702:12
    #59 0x612fad9c653a in yield_under /tmp/ruby/src/trunk_asan/vm_eval.c:2217:12
    #60 0x612fad9fb607 in vm_call_cfunc_with_frame_ /tmp/ruby/src/trunk_asan/vm_insnhelper.c:3784:11
    #61 0x612fad999599 in vm_sendish /tmp/ruby/src/trunk_asan/vm_insnhelper.c:5991:15
    #62 0x612fad999599 in vm_exec_core /tmp/ruby/build/trunk_asan/../../src/trunk_asan/insns.def:851:11
    #63 0x612fad98da9a in vm_exec_loop /tmp/ruby/src/trunk_asan/vm.c:2648:22
    #64 0x612fad98da9a in rb_vm_exec /tmp/ruby/src/trunk_asan/vm.c:2627:18
    #65 0x612fad9d5667 in rb_iseq_eval_main /tmp/ruby/src/trunk_asan/vm.c:2901:11
    #66 0x612fad5cbcc9 in rb_ec_exec_node /tmp/ruby/src/trunk_asan/eval.c:282:9
    #67 0x612fad5cbcc9 in ruby_run_node /tmp/ruby/src/trunk_asan/eval.c:320:30
    #68 0x612fad5c4c36 in rb_main /tmp/ruby/src/trunk_asan/main.c:42:12
    #69 0x612fad5c4c36 in main /tmp/ruby/src/trunk_asan/main.c:62:12
    #70 0x704da4a2a1c9 in __libc_start_call_main csu/../sysdeps/nptl/libc_start_call_main.h:58:16
    #71 0x704da4a2a28a in __libc_start_main csu/../csu/libc-start.c:360:3
    #72 0x612fad4e8a04 in _start (/tmp/ruby/build/trunk_asan/ruby+0x16ba04) (BuildId: d3fad4c6d6f33109e956ad34d82639bbdf862ab6)
0x704da28c0d88 is located 5512 bytes after 524288-byte region [0x704da283f800,0x704da28bf800)
allocated by thread T0 here:
    #0 0x612fad5870fc in calloc (/tmp/ruby/build/trunk_asan/ruby+0x20a0fc) (BuildId: d3fad4c6d6f33109e956ad34d82639bbdf862ab6)
    #1 0x612fad5f9d0d in calloc1 /tmp/ruby/src/trunk_asan/gc/default/default.c:1490:12
    #2 0x612fad5f9d0d in rb_gc_impl_calloc /tmp/ruby/src/trunk_asan/gc/default/default.c:8166:5
    #3 0x612fad5f9d0d in ruby_xcalloc_body /tmp/ruby/src/trunk_asan/gc.c:5240:12
    #4 0x612fad5f9d0d in ruby_xcalloc /tmp/ruby/src/trunk_asan/gc.c:5234:34
    #5 0x612fadd75464 in rb_concurrent_set_new /tmp/ruby/src/trunk_asan/concurrent_set.c:59:20
    #6 0x612fadd75464 in concurrent_set_try_resize_without_locking /tmp/ruby/src/trunk_asan/concurrent_set.c:121:25
    #7 0x612fadd75464 in concurrent_set_try_resize /tmp/ruby/src/trunk_asan/concurrent_set.c:174:9
    #8 0x612fadd74ef6 in rb_concurrent_set_find_or_insert /tmp/ruby/src/trunk_asan/concurrent_set.c:280:17
    #9 0x612fad8b2115 in register_fstring /tmp/ruby/src/trunk_asan/string.c:581:20
    #10 0x612fad8b2115 in rb_enc_literal_str /tmp/ruby/src/trunk_asan/string.c:12632:12
    #11 0x612fadd3f8fc in parse_static_literal_string /tmp/ruby/src/trunk_asan/prism_compile.c:311:19
    #12 0x612fadc54672 in pm_compile_node /tmp/ruby/src/trunk_asan/prism_compile.c:10383:27
    #13 0x612fadcea365 in pm_compile_array_node /tmp/ruby/src/trunk_asan/prism_compile.c:7283:13
    #14 0x612fadc561e7 in pm_compile_node /tmp/ruby/src/trunk_asan/prism_compile.c
    #15 0x612fadc57b7d in pm_compile_node /tmp/ruby/src/trunk_asan/prism_compile.c
    #16 0x612fadd389ac in pm_compile_scope_node /tmp/ruby/src/trunk_asan/prism_compile.c:7015:13
    #17 0x612fadc54c35 in pm_compile_node /tmp/ruby/src/trunk_asan/prism_compile.c:10242:9
    #18 0x612fadc4c225 in pm_iseq_compile_node /tmp/ruby/src/trunk_asan/prism_compile.c:10553:9
    #19 0x612fad6c1faa in pm_iseq_new_with_opt_try /tmp/ruby/src/trunk_asan/iseq.c:1057:5
    #20 0x612fad5d01db in rb_protect /tmp/ruby/src/trunk_asan/eval.c:1153:18
    #21 0x612fad6c0530 in pm_iseq_new_with_opt /tmp/ruby/src/trunk_asan/iseq.c:1110:5
    #22 0x612fadcff682 in pm_new_child_iseq /tmp/ruby/src/trunk_asan/prism_compile.c:1261:27
    #23 0x612fadc51dc3 in pm_compile_node /tmp/ruby/src/trunk_asan/prism_compile.c:9116:34
    #24 0x612fadc57b0c in pm_compile_node /tmp/ruby/src/trunk_asan/prism_compile.c:10369:17
    #25 0x612fadd37c9a in pm_compile_scope_node /tmp/ruby/src/trunk_asan/prism_compile.c:7053:13
    #26 0x612fadc54c35 in pm_compile_node /tmp/ruby/src/trunk_asan/prism_compile.c:10242:9
    #27 0x612fadc4c225 in pm_iseq_compile_node /tmp/ruby/src/trunk_asan/prism_compile.c:10553:9
    #28 0x612fad6c1faa in pm_iseq_new_with_opt_try /tmp/ruby/src/trunk_asan/iseq.c:1057:5
    #29 0x612fad5d01db in rb_protect /tmp/ruby/src/trunk_asan/eval.c:1153:18
    #30 0x612fad6c0530 in pm_iseq_new_with_opt /tmp/ruby/src/trunk_asan/iseq.c:1110:5
    #31 0x612fadcff682 in pm_new_child_iseq /tmp/ruby/src/trunk_asan/prism_compile.c:1261:27
    #32 0x612fadc52960 in pm_compile_node /tmp/ruby/src/trunk_asan/prism_compile.c:8892:39
    #33 0x612fadc57b0c in pm_compile_node /tmp/ruby/src/trunk_asan/prism_compile.c:10369:17
    #34 0x612fadd37c9a in pm_compile_scope_node /tmp/ruby/src/trunk_asan/prism_compile.c:7053:13
    #35 0x612fadc54c35 in pm_compile_node /tmp/ruby/src/trunk_asan/prism_compile.c:10242:9
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:
  0x704da28c0b00: 00 f7 f7 f7 f7 f7 f7 f7 f7 f7 f7 f7 f7 f7 f7 f7
  0x704da28c0b80: f7 f7 f7 f7 f7 00 00 00 00 00 00 00 00 00 00 00
  0x704da28c0c00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
  0x704da28c0c80: 00 00 00 00 00 00 00 00 00 00 00 00 00 f7 f7 f7
  0x704da28c0d00: f7 f7 f7 f7 f7 f7 f7 f7 f7 f7 f7 f7 f7 f7 f7 f7
=>0x704da28c0d80: f7[f7]f7 f7 f7 f7 f7 f7 f7 f7 f7 f7 f7 f7 f7 f7
  0x704da28c0e00: f7 f7 f7 f7 f7 00 00 00 00 00 00 00 00 00 00 00
  0x704da28c0e80: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
  0x704da28c0f00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
  0x704da28c0f80: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
  0x704da28c1000: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
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
==1285980==ABORTING
/tmp/ruby/src/trunk_asan/spec/ruby/shared/process/fork.rb:50: [BUG] ASAN error
ruby 3.5.0dev (2025-07-29T21:45:11Z master 1a4c0a9913) +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:001460 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:001370 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) [0x612fad52ede9]
/tmp/ruby/build/trunk_asan/ruby(rb_print_backtrace+0x14) [0x612fade7eb38] /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) [0x612faddc3f45] /tmp/ruby/src/trunk_asan/error.c:1097
/tmp/ruby/build/trunk_asan/ruby(rb_bug_without_die+0x12c) [0x612faddc3bdc] /tmp/ruby/src/trunk_asan/error.c:1106
/tmp/ruby/build/trunk_asan/ruby(0x612fad5ab30a) [0x612fad5ab30a]
/tmp/ruby/build/trunk_asan/ruby(0x612fad58bd8f) [0x612fad58bd8f]
/tmp/ruby/build/trunk_asan/ruby(0x612fad58ee1d) [0x612fad58ee1d]
/tmp/ruby/build/trunk_asan/ruby(__asan_report_load8) [0x612fad58fb7c]
/tmp/ruby/build/trunk_asan/ruby(rb_objspace_call_finalizer+0xfec) [0x612fad5fc4bc] /tmp/ruby/src/trunk_asan/include/ruby/internal/value_type.h:191
/tmp/ruby/build/trunk_asan/ruby(rb_ec_finalize+0x2a) [0x612fad5cb1b3] /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) [0x612fad5ca8a4] /tmp/ruby/src/trunk_asan/eval.c:179
/tmp/ruby/build/trunk_asan/ruby(ruby_stop+0xb) [0x612fad5cb7bb] /tmp/ruby/src/trunk_asan/eval.c:291
/tmp/ruby/build/trunk_asan/ruby(rb_f_fork+0x16d) [0x612fad770a6d] /tmp/ruby/src/trunk_asan/process.c:4291
/tmp/ruby/build/trunk_asan/ruby(vm_cfp_consistent_p+0x0) [0x612fad9fb608] /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) [0x612fad9e0a25] /tmp/ruby/src/trunk_asan/vm_insnhelper.c:4763
/tmp/ruby/build/trunk_asan/ruby(vm_call_zsuper+0x14c) [0x612fad9e1d75] /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) [0x612fad9e04b5]
/tmp/ruby/build/trunk_asan/ruby(vm_sendish+0x149) [0x612fad99959a] /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) [0x612fad98d6a7] /tmp/ruby/src/trunk_asan/vm.c:2621
/tmp/ruby/build/trunk_asan/ruby(invoke_iseq_block_from_c+0x701) [0x612fada1b332] /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) [0x612fad9c653b] /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) [0x612fad9fb608] /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) [0x612fad99959a] /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) [0x612fad98d6a7] /tmp/ruby/src/trunk_asan/vm.c:2621
/tmp/ruby/build/trunk_asan/ruby(invoke_iseq_block_from_c+0x701) [0x612fada1b332] /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) [0x612fad9be868] /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) [0x612fadb9013e] /tmp/ruby/src/trunk_asan/array.c:7892
/tmp/ruby/build/trunk_asan/ruby(vm_cfp_consistent_p+0x0) [0x612fad9fb608] /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) [0x612fad99959a] /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) [0x612fad98d6a7] /tmp/ruby/src/trunk_asan/vm.c:2621
/tmp/ruby/build/trunk_asan/ruby(invoke_iseq_block_from_c+0x701) [0x612fada1b332] /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) [0x612fad9be868] /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) [0x612fadb738da] /tmp/ruby/src/trunk_asan/array.c:2646
/tmp/ruby/build/trunk_asan/ruby(vm_cfp_consistent_p+0x0) [0x612fad9fb608] /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) [0x612fad99959a] /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) [0x612fad98d6a7] /tmp/ruby/src/trunk_asan/vm.c:2621
/tmp/ruby/build/trunk_asan/ruby(rb_iseq_eval+0x10b) [0x612fad9d4afb] /tmp/ruby/src/trunk_asan/vm.c:2878
/tmp/ruby/build/trunk_asan/ruby(load_iseq_eval+0x74c) [0x612fad6e056c] /tmp/ruby/src/trunk_asan/load.c:873
/tmp/ruby/build/trunk_asan/ruby(raise_load_if_failed+0x0) [0x612fad6d629b] /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) [0x612fad6dc88a] /tmp/ruby/src/trunk_asan/load.c:993
/tmp/ruby/build/trunk_asan/ruby(vm_cfp_consistent_p+0x0) [0x612fad9fb608] /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) [0x612fad99eccc] /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) [0x612fad98d6a7] /tmp/ruby/src/trunk_asan/vm.c:2621
/tmp/ruby/build/trunk_asan/ruby(invoke_iseq_block_from_c+0x701) [0x612fada1b332] /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) [0x612fad9c653b] /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) [0x612fad9fb608] /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) [0x612fad99959a] /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) [0x612fad98da9b] /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) [0x612fad9d5668] /tmp/ruby/src/trunk_asan/vm.c:2901
/tmp/ruby/build/trunk_asan/ruby(rb_ec_exec_node+0x142) [0x612fad5cbcca] /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) [0x612fad5c4c37] /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) [0x704da4a2a1ca] ../sysdeps/nptl/libc_start_call_main.h:58
/lib/x86_64-linux-gnu/libc.so.6(call_init+0x0) [0x704da4a2a28b] ../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) [0x612fad4e8a05]
-- Other runtime information -----------------------------------------------
=================================================================
==1284568==ERROR: AddressSanitizer: use-after-poison on address 0x7a0f28254d40 at pc 0x634dcfa794bc bp 0x7fffddb93550 sp 0x7fffddb93548
READ of size 8 at 0x7a0f28254d40 thread T0
    #0 0x634dcfa794bb in RB_BUILTIN_TYPE /tmp/ruby/src/trunk_asan/include/ruby/internal/value_type.h:191:30
    #1 0x634dcfa794bb in rb_gc_shutdown_call_finalizer_p /tmp/ruby/src/trunk_asan/gc.c:357:18
    #2 0x634dcfa794bb in rb_gc_impl_shutdown_call_finalizer /tmp/ruby/src/trunk_asan/gc/default/default.c:3045:21
    #3 0x634dcfa794bb in rb_objspace_call_finalizer /tmp/ruby/src/trunk_asan/gc.c:1739:5
    #4 0x634dcfa481b2 in rb_ec_finalize /tmp/ruby/src/trunk_asan/eval.c:165:5
    #5 0x634dcfa481b2 in rb_ec_cleanup /tmp/ruby/src/trunk_asan/eval.c:256:5
    #6 0x634dcfa48d68 in ruby_run_node /tmp/ruby/src/trunk_asan/eval.c:320:12
    #7 0x634dcfa41c36 in rb_main /tmp/ruby/src/trunk_asan/main.c:42:12
    #8 0x634dcfa41c36 in main /tmp/ruby/src/trunk_asan/main.c:62:12
    #9 0x7a0f47a2a1c9 in __libc_start_call_main csu/../sysdeps/nptl/libc_start_call_main.h:58:16
    #10 0x7a0f47a2a28a in __libc_start_main csu/../csu/libc-start.c:360:3
    #11 0x634dcf965a04 in _start (/tmp/ruby/build/trunk_asan/ruby+0x16ba04) (BuildId: d3fad4c6d6f33109e956ad34d82639bbdf862ab6)
Address 0x7a0f28254d40 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:
  0x7a0f28254a80: f7 f7 f7 f7 f7 f7 f7 f7 f7 f7 f7 f7 f7 f7 f7 f7
  0x7a0f28254b00: f7 f7 f7 f7 f7 f7 f7 f7 f7 f7 f7 f7 f7 f7 f7 f7
  0x7a0f28254b80: f7 f7 f7 f7 f7 f7 00 00 00 00 00 00 00 00 00 00
  0x7a0f28254c00: 00 00 00 00 00 00 00 00 00 00 f7 f7 f7 f7 f7 f7
  0x7a0f28254c80: f7 f7 f7 f7 00 00 00 00 00 00 00 00 00 00 f7 f7
=>0x7a0f28254d00: f7 f7 f7 f7 f7 f7 f7 f7[f7]f7 f7 f7 f7 f7 f7 f7
  0x7a0f28254d80: f7 f7 00 00 00 00 00 00 00 00 00 00 00 00 00 00
  0x7a0f28254e00: 00 00 00 00 00 00 f7 f7 f7 f7 f7 f7 f7 f7 f7 f7
  0x7a0f28254e80: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
  0x7a0f28254f00: 00 00 00 00 f7 f7 f7 f7 f7 f7 f7 f7 f7 f7 00 00
  0x7a0f28254f80: 00 00 00 00 00 00 00 00 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
==1284568==ABORTING
/tmp/ruby/src/trunk_asan/spec/mspec/bin/mspec-run: [BUG] ASAN error
ruby 3.5.0dev (2025-07-29T21:45:11Z master 1a4c0a9913) +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/spec/mspec/bin/mspec-run(___interceptor_backtrace) [0x634dcf9abde9]
/tmp/ruby/build/trunk_asan/ruby(rb_print_backtrace+0x14) [0x634dd02fbb38] /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) [0x634dd0240f45] /tmp/ruby/src/trunk_asan/error.c:1097
/tmp/ruby/build/trunk_asan/ruby(rb_bug_without_die+0x12c) [0x634dd0240bdc] /tmp/ruby/src/trunk_asan/error.c:1106
/tmp/ruby/src/trunk_asan/spec/mspec/bin/mspec-run(0x634dcfa2830a) [0x634dcfa2830a]
/tmp/ruby/src/trunk_asan/spec/mspec/bin/mspec-run(0x634dcfa08d8f) [0x634dcfa08d8f]
/tmp/ruby/src/trunk_asan/spec/mspec/bin/mspec-run(0x634dcfa0be1d) [0x634dcfa0be1d]
/tmp/ruby/src/trunk_asan/spec/mspec/bin/mspec-run(__asan_report_load8) [0x634dcfa0cb7c]
/tmp/ruby/build/trunk_asan/ruby(rb_objspace_call_finalizer+0xfec) [0x634dcfa794bc] /tmp/ruby/src/trunk_asan/include/ruby/internal/value_type.h:191
/tmp/ruby/build/trunk_asan/ruby(rb_ec_finalize+0x2a) [0x634dcfa481b3] /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) [0x634dcfa48d69] /tmp/ruby/src/trunk_asan/eval.c:320
/tmp/ruby/build/trunk_asan/ruby(rb_main+0x25) [0x634dcfa41c37] /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) [0x7a0f47a2a1ca] ../sysdeps/nptl/libc_start_call_main.h:58
/lib/x86_64-linux-gnu/libc.so.6(call_init+0x0) [0x7a0f47a2a28b] ../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/spec/mspec/bin/mspec-run(_start) [0x634dcf965a05]
-- 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.20250730-001215
#<BuildRuby:0x000078a304f2fdd0
 @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.20250730-001215",
 @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               0.001029   0.001366   1.045582 (  3.950652)
autoconf               0.001210   0.000064   1.202653 (  1.194073)
configure              0.047431   0.014799  46.569453 ( 47.237940)
build_up               0.020486   0.010188  57.842344 (  9.710238)
build_miniruby         0.007819   0.009411 458.168034 ( 51.718799)
build_ruby             0.000941   0.000986   1.872362 (  1.375345)
build_all              0.072137   0.053957 421.689646 ( 53.608271)
build_install          0.010168   0.003986   6.443389 (  2.851043)
test_basic             0.001795   0.004398   1.126753 (  1.174390)
test_all               0.126076   0.069595 2456.853429 (392.404571)
test_rubyspec          0.084799   0.066581 757.841115 ( 57.647912)
$$$[end] "make yes-test-all TESTOPTS='--stderr-on-failure' TESTS='-j16'" exit with 512.
$$$[end] "make yes-test-rubyspec MSPECOPT='--error-output stderr -j' TESTS='-j16'" exit with 512.
/home/ko1/ruby/logs/brlog.trunk_asan.20250730-001215
total: 622.87 sec