Result of trunk_asan@ruby-sp1 at 2025-08-02 08:54:21 +0900

NG (3ad6bba136)[LOG]
test-all:
test-spec: 3338 files, 33611 examples, 132649 expectations, 0 failures, 0 errors, 0 tagged

commands:

 "make update-download -j16" exit with 0.
"make update-src      -j16" exit with 0.
"make after-update    -j16" exit with 0.
"make miniruby -j16" exit with 0.
"make ruby -j16" exit with 0.
"make all -j16" exit with 0.
"make install -j16" exit with 0.
"make yes-test-basic TESTS='-j16'" exit with 0.
"make yes-test-all TESTOPTS='--stderr-on-failure' TESTS='-j16'" exit with 512.
=================================================================
==2284780==ERROR: AddressSanitizer: use-after-poison on address 0x72275311bd08 at pc 0x63fbe935fa31 bp 0x7fffbc428850 sp 0x7fffbc428848
READ of size 8 at 0x72275311bd08 thread T0
    #0 0x63fbe935fa30 in RB_BUILTIN_TYPE /tmp/ruby/src/trunk_asan/include/ruby/internal/value_type.h:191:30
    #1 0x63fbe935fa30 in moved_or_living_object_strictly_p /tmp/ruby/src/trunk_asan/imemo.c:276:76
    #2 0x63fbe935fa30 in rb_imemo_mark_and_move /tmp/ruby/src/trunk_asan/imemo.c:356:17
    #3 0x63fbe931a36c in rb_gc_update_object_references /tmp/ruby/src/trunk_asan/gc.c:4078:9
    #4 0x63fbe931a36c in gc_ref_update /tmp/ruby/src/trunk_asan/gc/default/default.c
    #5 0x63fbe931a36c in gc_update_references /tmp/ruby/src/trunk_asan/gc/default/default.c:7083:13
    #6 0x63fbe931a36c in gc_compact_finish /tmp/ruby/src/trunk_asan/gc/default/default.c:3414:5
    #7 0x63fbe9311ea0 in gc_sweep_compact /tmp/ruby/src/trunk_asan/gc/default/default.c:5619:5
    #8 0x63fbe9311ea0 in gc_sweep /tmp/ruby/src/trunk_asan/gc/default/default.c:4073:9
    #9 0x63fbe932edfb in gc_start /tmp/ruby/src/trunk_asan/gc/default/default.c:6426:13
    #10 0x63fbe9300410 in garbage_collect /tmp/ruby/src/trunk_asan/gc/default/default.c:6307:15
    #11 0x63fbe9300410 in rb_gc_impl_start /tmp/ruby/src/trunk_asan/gc/default/default.c:6759:5
    #12 0x63fbe933cb39 in gc_verify_compaction_references /tmp/ruby/src/trunk_asan/gc/default/default.c:9171:5
    #13 0x63fbe96f7417 in vm_call_cfunc_with_frame_ /tmp/ruby/src/trunk_asan/vm_insnhelper.c:3851:11
    #14 0x63fbe96dc7f4 in vm_call_method_each_type /tmp/ruby/src/trunk_asan/vm_insnhelper.c:4830:16
    #15 0x63fbe96dc284 in vm_call_method /tmp/ruby/src/trunk_asan/vm_insnhelper.c
    #16 0x63fbe96994db in vm_sendish /tmp/ruby/src/trunk_asan/vm_insnhelper.c:6058:15
    #17 0x63fbe96994db in vm_exec_core /tmp/ruby/build/trunk_asan/../../src/trunk_asan/insns.def:899:11
    #18 0x63fbe9687eb6 in rb_vm_exec /tmp/ruby/src/trunk_asan/vm.c:2621:22
    #19 0x63fbe9717731 in invoke_iseq_block_from_c /tmp/ruby/src/trunk_asan/vm.c:1651:12
    #20 0x63fbe9717731 in invoke_block_from_c_bh /tmp/ruby/src/trunk_asan/vm.c:1665:20
    #21 0x63fbe96b9537 in vm_yield_with_cref /tmp/ruby/src/trunk_asan/vm.c:1702:12
    #22 0x63fbe96b9537 in vm_yield /tmp/ruby/src/trunk_asan/vm.c:1710:12
    #23 0x63fbe96b9537 in rb_yield_0 /tmp/ruby/src/trunk_asan/vm_eval.c:1362:12
    #24 0x63fbe96b9537 in rb_yield /tmp/ruby/src/trunk_asan/vm_eval.c
    #25 0x63fbe987d8d2 in rb_ary_collect /tmp/ruby/src/trunk_asan/array.c:3654:30
    #26 0x63fbe96f7417 in vm_call_cfunc_with_frame_ /tmp/ruby/src/trunk_asan/vm_insnhelper.c:3851:11
    #27 0x63fbe9693da9 in vm_sendish /tmp/ruby/src/trunk_asan/vm_insnhelper.c:6058:15
    #28 0x63fbe9693da9 in vm_exec_core /tmp/ruby/build/trunk_asan/../../src/trunk_asan/insns.def:851:11
    #29 0x63fbe96882aa in vm_exec_loop /tmp/ruby/src/trunk_asan/vm.c:2648:22
    #30 0x63fbe96882aa in rb_vm_exec /tmp/ruby/src/trunk_asan/vm.c:2627:18
    #31 0x63fbe9717731 in invoke_iseq_block_from_c /tmp/ruby/src/trunk_asan/vm.c:1651:12
    #32 0x63fbe9717731 in invoke_block_from_c_bh /tmp/ruby/src/trunk_asan/vm.c:1665:20
    #33 0x63fbe96b9537 in vm_yield_with_cref /tmp/ruby/src/trunk_asan/vm.c:1702:12
    #34 0x63fbe96b9537 in vm_yield /tmp/ruby/src/trunk_asan/vm.c:1710:12
    #35 0x63fbe96b9537 in rb_yield_0 /tmp/ruby/src/trunk_asan/vm_eval.c:1362:12
    #36 0x63fbe96b9537 in rb_yield /tmp/ruby/src/trunk_asan/vm_eval.c
    #37 0x63fbe987d8d2 in rb_ary_collect /tmp/ruby/src/trunk_asan/array.c:3654:30
    #38 0x63fbe96f7417 in vm_call_cfunc_with_frame_ /tmp/ruby/src/trunk_asan/vm_insnhelper.c:3851:11
    #39 0x63fbe9693da9 in vm_sendish /tmp/ruby/src/trunk_asan/vm_insnhelper.c:6058:15
    #40 0x63fbe9693da9 in vm_exec_core /tmp/ruby/build/trunk_asan/../../src/trunk_asan/insns.def:851:11
    #41 0x63fbe96882aa in vm_exec_loop /tmp/ruby/src/trunk_asan/vm.c:2648:22
    #42 0x63fbe96882aa in rb_vm_exec /tmp/ruby/src/trunk_asan/vm.c:2627:18
    #43 0x63fbe96d0337 in rb_iseq_eval_main /tmp/ruby/src/trunk_asan/vm.c:2901:11
    #44 0x63fbe92c7cc9 in rb_ec_exec_node /tmp/ruby/src/trunk_asan/eval.c:282:9
    #45 0x63fbe92c7cc9 in ruby_run_node /tmp/ruby/src/trunk_asan/eval.c:320:30
    #46 0x63fbe92c0c36 in rb_main /tmp/ruby/src/trunk_asan/main.c:42:12
    #47 0x63fbe92c0c36 in main /tmp/ruby/src/trunk_asan/main.c:62:12
    #48 0x72275362a1c9 in __libc_start_call_main csu/../sysdeps/nptl/libc_start_call_main.h:58:16
    #49 0x72275362a28a in __libc_start_main csu/../csu/libc-start.c:360:3
    #50 0x63fbe91e4a04 in _start (/tmp/ruby/build/trunk_asan/ruby+0x16ba04) (BuildId: 92f04f8952e80d23989b8a58ee7eb5ea9d24a001)
Address 0x72275311bd08 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:
  0x72275311ba80: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
  0x72275311bb00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
  0x72275311bb80: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
  0x72275311bc00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
  0x72275311bc80: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
=>0x72275311bd00: 00[f7]f7 f7 f7 f7 00 00 00 00 00 00 00 00 00 00
  0x72275311bd80: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
  0x72275311be00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
  0x72275311be80: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
  0x72275311bf00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
  0x72275311bf80: 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
==2284780==ABORTING
/tmp/ruby/src/trunk_asan/test/ruby/test_io_buffer.rb:705: [BUG] ASAN error
ruby 3.5.0dev (2025-08-01T21:56:15Z master 3ad6bba136) +PRISM [x86_64-linux]
-- Control frame information -----------------------------------------------
c:0015 p:---- s:0102 e:000101 CFUNC  :verify_compaction_references
c:0014 p:0044 s:0097 e:000096 METHOD /tmp/ruby/src/trunk_asan/test/ruby/test_io_buffer.rb:705
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:000ad0 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:0010f0 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_io_buffer.rb:705:in 'test_bug_21210'
/tmp/ruby/src/trunk_asan/test/ruby/test_io_buffer.rb:705:in 'verify_compaction_references'
-- Threading information ---------------------------------------------------
Total ractor count: 1
Ruby thread count for this ractor: 4
-- C level backtrace information -------------------------------------------
/tmp/ruby/src/trunk_asan/tool/lib/test/unit/parallel.rb: TestIOBuffer#test_bug_21210(___interceptor_backtrace) [0x63fbe922ade9]
/tmp/ruby/build/trunk_asan/ruby(rb_print_backtrace+0x14) [0x63fbe9b7aee8] /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) [0x63fbe9ac02f5] /tmp/ruby/src/trunk_asan/error.c:1097
/tmp/ruby/build/trunk_asan/ruby(rb_bug_without_die+0x12c) [0x63fbe9abff8c] /tmp/ruby/src/trunk_asan/error.c:1106
/tmp/ruby/src/trunk_asan/tool/lib/test/unit/parallel.rb: TestIOBuffer#test_bug_21210(0x63fbe92a730a) [0x63fbe92a730a]
/tmp/ruby/src/trunk_asan/tool/lib/test/unit/parallel.rb: TestIOBuffer#test_bug_21210(0x63fbe9287d8f) [0x63fbe9287d8f]
/tmp/ruby/src/trunk_asan/tool/lib/test/unit/parallel.rb: TestIOBuffer#test_bug_21210(0x63fbe928ae1d) [0x63fbe928ae1d]
/tmp/ruby/src/trunk_asan/tool/lib/test/unit/parallel.rb: TestIOBuffer#test_bug_21210(__asan_report_load8) [0x63fbe928bb7c]
/tmp/ruby/build/trunk_asan/ruby(mark_and_move_method_entry+0x0) [0x63fbe935fa31] /tmp/ruby/src/trunk_asan/include/ruby/internal/value_type.h:191
/tmp/ruby/build/trunk_asan/ruby(rb_imemo_mark_and_move) /tmp/ruby/src/trunk_asan/imemo.c:443
/tmp/ruby/build/trunk_asan/ruby(gc_compact_finish+0x12bd) [0x63fbe931a36d] /tmp/ruby/src/trunk_asan/gc.c:4078
/tmp/ruby/build/trunk_asan/ruby(gc_sweep+0x1ac1) [0x63fbe9311ea1] /tmp/ruby/src/trunk_asan/gc/default/default.c:5619
/tmp/ruby/build/trunk_asan/ruby(gc_start+0x2a9c) [0x63fbe932edfc] /tmp/ruby/src/trunk_asan/gc/default/default.c:6426
/tmp/ruby/build/trunk_asan/ruby(rb_gc_impl_start+0x1d1) [0x63fbe9300411] /tmp/ruby/src/trunk_asan/gc/default/default.c:6307
/tmp/ruby/build/trunk_asan/ruby(gc_verify_compaction_references+0xcaa) [0x63fbe933cb3a] /tmp/ruby/src/trunk_asan/gc/default/default.c:9171
/tmp/ruby/build/trunk_asan/ruby(vm_cfp_consistent_p+0x0) [0x63fbe96f7418] /tmp/ruby/src/trunk_asan/vm_insnhelper.c:3851
/tmp/ruby/build/trunk_asan/ruby(vm_call_cfunc_with_frame_) /tmp/ruby/src/trunk_asan/vm_insnhelper.c:3853
/tmp/ruby/build/trunk_asan/ruby(vm_call_method_each_type+0x295) [0x63fbe96dc7f5] /tmp/ruby/src/trunk_asan/vm_insnhelper.c:4830
/tmp/ruby/src/trunk_asan/tool/lib/test/unit/parallel.rb: TestIOBuffer#test_bug_21210(vm_call_method+0x2d5) [0x63fbe96dc285]
/tmp/ruby/build/trunk_asan/ruby(vm_sendish+0x251) [0x63fbe96994dc] /tmp/ruby/src/trunk_asan/vm_insnhelper.c:6058
/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) [0x63fbe9687eb7] /tmp/ruby/src/trunk_asan/vm.c:2621
/tmp/ruby/build/trunk_asan/ruby(invoke_iseq_block_from_c+0x701) [0x63fbe9717732] /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) [0x63fbe96b9538] /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) [0x63fbe987d8d3] /tmp/ruby/src/trunk_asan/array.c:3654
/tmp/ruby/build/trunk_asan/ruby(vm_cfp_consistent_p+0x0) [0x63fbe96f7418] /tmp/ruby/src/trunk_asan/vm_insnhelper.c:3851
/tmp/ruby/build/trunk_asan/ruby(vm_call_cfunc_with_frame_) /tmp/ruby/src/trunk_asan/vm_insnhelper.c:3853
/tmp/ruby/build/trunk_asan/ruby(vm_sendish+0x149) [0x63fbe9693daa] /tmp/ruby/src/trunk_asan/vm_insnhelper.c:6058
/tmp/ruby/build/trunk_asan/ruby(vm_exec_core) ../../src/trunk_asan/insns.def:851
/tmp/ruby/build/trunk_asan/ruby(vm_exec_loop+0x198) [0x63fbe96882ab] /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) [0x63fbe9717732] /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) [0x63fbe96b9538] /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) [0x63fbe987d8d3] /tmp/ruby/src/trunk_asan/array.c:3654
/tmp/ruby/build/trunk_asan/ruby(vm_cfp_consistent_p+0x0) [0x63fbe96f7418] /tmp/ruby/src/trunk_asan/vm_insnhelper.c:3851
/tmp/ruby/build/trunk_asan/ruby(vm_call_cfunc_with_frame_) /tmp/ruby/src/trunk_asan/vm_insnhelper.c:3853
/tmp/ruby/build/trunk_asan/ruby(vm_sendish+0x149) [0x63fbe9693daa] /tmp/ruby/src/trunk_asan/vm_insnhelper.c:6058
/tmp/ruby/build/trunk_asan/ruby(vm_exec_core) ../../src/trunk_asan/insns.def:851
/tmp/ruby/build/trunk_asan/ruby(vm_exec_loop+0x198) [0x63fbe96882ab] /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) [0x63fbe96d0338] /tmp/ruby/src/trunk_asan/vm.c:2901
/tmp/ruby/build/trunk_asan/ruby(rb_ec_exec_node+0x142) [0x63fbe92c7cca] /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) [0x63fbe92c0c37] /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) [0x72275362a1ca] ../sysdeps/nptl/libc_start_call_main.h:58
/lib/x86_64-linux-gnu/libc.so.6(call_init+0x0) [0x72275362a28b] ../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: TestIOBuffer#test_bug_21210(_start) [0x63fbe91e4a05]
-- Other runtime information -----------------------------------------------
running file: /tmp/ruby/src/trunk_asan/test/ruby/test_io_buffer.rb
A test worker crashed. It might be an interpreter bug or
a bug in test/unit/parallel.rb. Try again without the -j
option.
make: *** [uncommon.mk:980: yes-test-all] Error 1
"make yes-test-rubyspec MSPECOPT='--error-output stderr -j' TESTS='-j16'" exit with 0.

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

Logfile: /home/ko1/ruby/logs/brlog.trunk_asan.20250801-234751
#<BuildRuby:0x000079ea18effde0
 @BUILD_DIR="/tmp/ruby/build",
 @INSTALL_DIR="/tmp/ruby/install",
 @REPOSITORY="https://github.com/ruby/ruby.git",
 @REPOSITORY_TYPE=:git,
 @SRC_DIR="/tmp/ruby/src",
 @TARGET_BUILD_DIR="/tmp/ruby/build/trunk_asan",
 @TARGET_INSTALL_DIR="/tmp/ruby/install/trunk_asan",
 @TARGET_NAME="trunk_asan",
 @TARGET_SRC_DIR="/tmp/ruby/src/trunk_asan",
 @btest_opts="-j16",
 @build_opts="-j16",
 @configure_opts=
  ["'CC=clang-17' 'cflags=-fsanitize=address -fno-omit-frame-pointer -DUSE_MN_THREADS=0'"],
 @gist=false,
 @git_branch=nil,
 @git_tag=nil,
 @git_worktree=nil,
 @incremental=true,
 @logfile="/home/ko1/ruby/logs/brlog.trunk_asan.20250801-234751",
 @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               0.000012   0.000003   0.000015 (  0.000016)
autoconf               0.000022   0.000006   0.000028 (  0.000028)
configure              0.000017   0.000004   0.000021 (  0.000021)
build_up               0.002676   0.003629   2.722281 (  1.907729)
build_miniruby         0.001001   0.000146   1.079286 (  1.078006)
build_ruby             0.001343   0.000112   1.742430 (  1.742091)
build_all              0.004445   0.003054  20.380496 (  2.684274)
build_install          0.014142   0.003660  23.106243 (  4.945699)
test_basic             0.003785   0.004230   1.350490 (  1.387247)
test_all               0.096064   0.047554 308.052625 (323.260491)
test_rubyspec          0.058889   0.079147 591.592061 ( 52.830235)
$$$[end] "make yes-test-all TESTOPTS='--stderr-on-failure' TESTS='-j16'" exit with 512.
/home/ko1/ruby/logs/brlog.trunk_asan.20250801-234751
total: 389.84 sec

	"make update-download -j16" exit with 0.
	"make update-src -j16" exit with 0.
	"make after-update -j16" exit with 0.
	"make miniruby -j16" exit with 0.
	"make ruby -j16" exit with 0.
	"make all -j16" exit with 0.
	"make install -j16" exit with 0.
	"make yes-test-basic TESTS='-j16'" exit with 0.
	"make yes-test-all TESTOPTS='--stderr-on-failure' TESTS='-j16'" exit with 512.
	=================================================================
	==2284780==ERROR: AddressSanitizer: use-after-poison on address 0x72275311bd08 at pc 0x63fbe935fa31 bp 0x7fffbc428850 sp 0x7fffbc428848
	READ of size 8 at 0x72275311bd08 thread T0
	#0 0x63fbe935fa30 in RB_BUILTIN_TYPE /tmp/ruby/src/trunk_asan/include/ruby/internal/value_type.h:191:30
	#1 0x63fbe935fa30 in moved_or_living_object_strictly_p /tmp/ruby/src/trunk_asan/imemo.c:276:76
	#2 0x63fbe935fa30 in rb_imemo_mark_and_move /tmp/ruby/src/trunk_asan/imemo.c:356:17
	#3 0x63fbe931a36c in rb_gc_update_object_references /tmp/ruby/src/trunk_asan/gc.c:4078:9
	#4 0x63fbe931a36c in gc_ref_update /tmp/ruby/src/trunk_asan/gc/default/default.c
	#5 0x63fbe931a36c in gc_update_references /tmp/ruby/src/trunk_asan/gc/default/default.c:7083:13
	#6 0x63fbe931a36c in gc_compact_finish /tmp/ruby/src/trunk_asan/gc/default/default.c:3414:5
	#7 0x63fbe9311ea0 in gc_sweep_compact /tmp/ruby/src/trunk_asan/gc/default/default.c:5619:5
	#8 0x63fbe9311ea0 in gc_sweep /tmp/ruby/src/trunk_asan/gc/default/default.c:4073:9
	#9 0x63fbe932edfb in gc_start /tmp/ruby/src/trunk_asan/gc/default/default.c:6426:13
	#10 0x63fbe9300410 in garbage_collect /tmp/ruby/src/trunk_asan/gc/default/default.c:6307:15
	#11 0x63fbe9300410 in rb_gc_impl_start /tmp/ruby/src/trunk_asan/gc/default/default.c:6759:5
	#12 0x63fbe933cb39 in gc_verify_compaction_references /tmp/ruby/src/trunk_asan/gc/default/default.c:9171:5
	#13 0x63fbe96f7417 in vm_call_cfunc_with_frame_ /tmp/ruby/src/trunk_asan/vm_insnhelper.c:3851:11
	#14 0x63fbe96dc7f4 in vm_call_method_each_type /tmp/ruby/src/trunk_asan/vm_insnhelper.c:4830:16
	#15 0x63fbe96dc284 in vm_call_method /tmp/ruby/src/trunk_asan/vm_insnhelper.c
	#16 0x63fbe96994db in vm_sendish /tmp/ruby/src/trunk_asan/vm_insnhelper.c:6058:15
	#17 0x63fbe96994db in vm_exec_core /tmp/ruby/build/trunk_asan/../../src/trunk_asan/insns.def:899:11
	#18 0x63fbe9687eb6 in rb_vm_exec /tmp/ruby/src/trunk_asan/vm.c:2621:22
	#19 0x63fbe9717731 in invoke_iseq_block_from_c /tmp/ruby/src/trunk_asan/vm.c:1651:12
	#20 0x63fbe9717731 in invoke_block_from_c_bh /tmp/ruby/src/trunk_asan/vm.c:1665:20
	#21 0x63fbe96b9537 in vm_yield_with_cref /tmp/ruby/src/trunk_asan/vm.c:1702:12
	#22 0x63fbe96b9537 in vm_yield /tmp/ruby/src/trunk_asan/vm.c:1710:12
	#23 0x63fbe96b9537 in rb_yield_0 /tmp/ruby/src/trunk_asan/vm_eval.c:1362:12
	#24 0x63fbe96b9537 in rb_yield /tmp/ruby/src/trunk_asan/vm_eval.c
	#25 0x63fbe987d8d2 in rb_ary_collect /tmp/ruby/src/trunk_asan/array.c:3654:30
	#26 0x63fbe96f7417 in vm_call_cfunc_with_frame_ /tmp/ruby/src/trunk_asan/vm_insnhelper.c:3851:11
	#27 0x63fbe9693da9 in vm_sendish /tmp/ruby/src/trunk_asan/vm_insnhelper.c:6058:15
	#28 0x63fbe9693da9 in vm_exec_core /tmp/ruby/build/trunk_asan/../../src/trunk_asan/insns.def:851:11
	#29 0x63fbe96882aa in vm_exec_loop /tmp/ruby/src/trunk_asan/vm.c:2648:22
	#30 0x63fbe96882aa in rb_vm_exec /tmp/ruby/src/trunk_asan/vm.c:2627:18
	#31 0x63fbe9717731 in invoke_iseq_block_from_c /tmp/ruby/src/trunk_asan/vm.c:1651:12
	#32 0x63fbe9717731 in invoke_block_from_c_bh /tmp/ruby/src/trunk_asan/vm.c:1665:20
	#33 0x63fbe96b9537 in vm_yield_with_cref /tmp/ruby/src/trunk_asan/vm.c:1702:12
	#34 0x63fbe96b9537 in vm_yield /tmp/ruby/src/trunk_asan/vm.c:1710:12
	#35 0x63fbe96b9537 in rb_yield_0 /tmp/ruby/src/trunk_asan/vm_eval.c:1362:12
	#36 0x63fbe96b9537 in rb_yield /tmp/ruby/src/trunk_asan/vm_eval.c
	#37 0x63fbe987d8d2 in rb_ary_collect /tmp/ruby/src/trunk_asan/array.c:3654:30
	#38 0x63fbe96f7417 in vm_call_cfunc_with_frame_ /tmp/ruby/src/trunk_asan/vm_insnhelper.c:3851:11
	#39 0x63fbe9693da9 in vm_sendish /tmp/ruby/src/trunk_asan/vm_insnhelper.c:6058:15
	#40 0x63fbe9693da9 in vm_exec_core /tmp/ruby/build/trunk_asan/../../src/trunk_asan/insns.def:851:11
	#41 0x63fbe96882aa in vm_exec_loop /tmp/ruby/src/trunk_asan/vm.c:2648:22
	#42 0x63fbe96882aa in rb_vm_exec /tmp/ruby/src/trunk_asan/vm.c:2627:18
	#43 0x63fbe96d0337 in rb_iseq_eval_main /tmp/ruby/src/trunk_asan/vm.c:2901:11
	#44 0x63fbe92c7cc9 in rb_ec_exec_node /tmp/ruby/src/trunk_asan/eval.c:282:9
	#45 0x63fbe92c7cc9 in ruby_run_node /tmp/ruby/src/trunk_asan/eval.c:320:30
	#46 0x63fbe92c0c36 in rb_main /tmp/ruby/src/trunk_asan/main.c:42:12
	#47 0x63fbe92c0c36 in main /tmp/ruby/src/trunk_asan/main.c:62:12
	#48 0x72275362a1c9 in __libc_start_call_main csu/../sysdeps/nptl/libc_start_call_main.h:58:16
	#49 0x72275362a28a in __libc_start_main csu/../csu/libc-start.c:360:3
	#50 0x63fbe91e4a04 in _start (/tmp/ruby/build/trunk_asan/ruby+0x16ba04) (BuildId: 92f04f8952e80d23989b8a58ee7eb5ea9d24a001)
	Address 0x72275311bd08 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:
	0x72275311ba80: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
	0x72275311bb00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
	0x72275311bb80: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
	0x72275311bc00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
	0x72275311bc80: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
	=>0x72275311bd00: 00[f7]f7 f7 f7 f7 00 00 00 00 00 00 00 00 00 00
	0x72275311bd80: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
	0x72275311be00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
	0x72275311be80: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
	0x72275311bf00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
	0x72275311bf80: 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
	==2284780==ABORTING
	/tmp/ruby/src/trunk_asan/test/ruby/test_io_buffer.rb:705: [BUG] ASAN error
	ruby 3.5.0dev (2025-08-01T21:56:15Z master 3ad6bba136) +PRISM [x86_64-linux]
	-- Control frame information -----------------------------------------------
	c:0015 p:---- s:0102 e:000101 CFUNC :verify_compaction_references
	c:0014 p:0044 s:0097 e:000096 METHOD /tmp/ruby/src/trunk_asan/test/ruby/test_io_buffer.rb:705
	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:000ad0 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:0010f0 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_io_buffer.rb:705:in 'test_bug_21210'
	/tmp/ruby/src/trunk_asan/test/ruby/test_io_buffer.rb:705:in 'verify_compaction_references'
	-- Threading information ---------------------------------------------------
	Total ractor count: 1
	Ruby thread count for this ractor: 4
	-- C level backtrace information -------------------------------------------
	/tmp/ruby/src/trunk_asan/tool/lib/test/unit/parallel.rb: TestIOBuffer#test_bug_21210(___interceptor_backtrace) [0x63fbe922ade9]
	/tmp/ruby/build/trunk_asan/ruby(rb_print_backtrace+0x14) [0x63fbe9b7aee8] /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) [0x63fbe9ac02f5] /tmp/ruby/src/trunk_asan/error.c:1097
	/tmp/ruby/build/trunk_asan/ruby(rb_bug_without_die+0x12c) [0x63fbe9abff8c] /tmp/ruby/src/trunk_asan/error.c:1106
	/tmp/ruby/src/trunk_asan/tool/lib/test/unit/parallel.rb: TestIOBuffer#test_bug_21210(0x63fbe92a730a) [0x63fbe92a730a]
	/tmp/ruby/src/trunk_asan/tool/lib/test/unit/parallel.rb: TestIOBuffer#test_bug_21210(0x63fbe9287d8f) [0x63fbe9287d8f]
	/tmp/ruby/src/trunk_asan/tool/lib/test/unit/parallel.rb: TestIOBuffer#test_bug_21210(0x63fbe928ae1d) [0x63fbe928ae1d]
	/tmp/ruby/src/trunk_asan/tool/lib/test/unit/parallel.rb: TestIOBuffer#test_bug_21210(__asan_report_load8) [0x63fbe928bb7c]
	/tmp/ruby/build/trunk_asan/ruby(mark_and_move_method_entry+0x0) [0x63fbe935fa31] /tmp/ruby/src/trunk_asan/include/ruby/internal/value_type.h:191
	/tmp/ruby/build/trunk_asan/ruby(rb_imemo_mark_and_move) /tmp/ruby/src/trunk_asan/imemo.c:443
	/tmp/ruby/build/trunk_asan/ruby(gc_compact_finish+0x12bd) [0x63fbe931a36d] /tmp/ruby/src/trunk_asan/gc.c:4078
	/tmp/ruby/build/trunk_asan/ruby(gc_sweep+0x1ac1) [0x63fbe9311ea1] /tmp/ruby/src/trunk_asan/gc/default/default.c:5619
	/tmp/ruby/build/trunk_asan/ruby(gc_start+0x2a9c) [0x63fbe932edfc] /tmp/ruby/src/trunk_asan/gc/default/default.c:6426
	/tmp/ruby/build/trunk_asan/ruby(rb_gc_impl_start+0x1d1) [0x63fbe9300411] /tmp/ruby/src/trunk_asan/gc/default/default.c:6307
	/tmp/ruby/build/trunk_asan/ruby(gc_verify_compaction_references+0xcaa) [0x63fbe933cb3a] /tmp/ruby/src/trunk_asan/gc/default/default.c:9171
	/tmp/ruby/build/trunk_asan/ruby(vm_cfp_consistent_p+0x0) [0x63fbe96f7418] /tmp/ruby/src/trunk_asan/vm_insnhelper.c:3851
	/tmp/ruby/build/trunk_asan/ruby(vm_call_cfunc_with_frame_) /tmp/ruby/src/trunk_asan/vm_insnhelper.c:3853
	/tmp/ruby/build/trunk_asan/ruby(vm_call_method_each_type+0x295) [0x63fbe96dc7f5] /tmp/ruby/src/trunk_asan/vm_insnhelper.c:4830
	/tmp/ruby/src/trunk_asan/tool/lib/test/unit/parallel.rb: TestIOBuffer#test_bug_21210(vm_call_method+0x2d5) [0x63fbe96dc285]
	/tmp/ruby/build/trunk_asan/ruby(vm_sendish+0x251) [0x63fbe96994dc] /tmp/ruby/src/trunk_asan/vm_insnhelper.c:6058
	/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) [0x63fbe9687eb7] /tmp/ruby/src/trunk_asan/vm.c:2621
	/tmp/ruby/build/trunk_asan/ruby(invoke_iseq_block_from_c+0x701) [0x63fbe9717732] /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) [0x63fbe96b9538] /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) [0x63fbe987d8d3] /tmp/ruby/src/trunk_asan/array.c:3654
	/tmp/ruby/build/trunk_asan/ruby(vm_cfp_consistent_p+0x0) [0x63fbe96f7418] /tmp/ruby/src/trunk_asan/vm_insnhelper.c:3851
	/tmp/ruby/build/trunk_asan/ruby(vm_call_cfunc_with_frame_) /tmp/ruby/src/trunk_asan/vm_insnhelper.c:3853
	/tmp/ruby/build/trunk_asan/ruby(vm_sendish+0x149) [0x63fbe9693daa] /tmp/ruby/src/trunk_asan/vm_insnhelper.c:6058
	/tmp/ruby/build/trunk_asan/ruby(vm_exec_core) ../../src/trunk_asan/insns.def:851
	/tmp/ruby/build/trunk_asan/ruby(vm_exec_loop+0x198) [0x63fbe96882ab] /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) [0x63fbe9717732] /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) [0x63fbe96b9538] /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) [0x63fbe987d8d3] /tmp/ruby/src/trunk_asan/array.c:3654
	/tmp/ruby/build/trunk_asan/ruby(vm_cfp_consistent_p+0x0) [0x63fbe96f7418] /tmp/ruby/src/trunk_asan/vm_insnhelper.c:3851
	/tmp/ruby/build/trunk_asan/ruby(vm_call_cfunc_with_frame_) /tmp/ruby/src/trunk_asan/vm_insnhelper.c:3853
	/tmp/ruby/build/trunk_asan/ruby(vm_sendish+0x149) [0x63fbe9693daa] /tmp/ruby/src/trunk_asan/vm_insnhelper.c:6058
	/tmp/ruby/build/trunk_asan/ruby(vm_exec_core) ../../src/trunk_asan/insns.def:851
	/tmp/ruby/build/trunk_asan/ruby(vm_exec_loop+0x198) [0x63fbe96882ab] /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) [0x63fbe96d0338] /tmp/ruby/src/trunk_asan/vm.c:2901
	/tmp/ruby/build/trunk_asan/ruby(rb_ec_exec_node+0x142) [0x63fbe92c7cca] /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) [0x63fbe92c0c37] /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) [0x72275362a1ca] ../sysdeps/nptl/libc_start_call_main.h:58
	/lib/x86_64-linux-gnu/libc.so.6(call_init+0x0) [0x72275362a28b] ../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: TestIOBuffer#test_bug_21210(_start) [0x63fbe91e4a05]
	-- Other runtime information -----------------------------------------------
	running file: /tmp/ruby/src/trunk_asan/test/ruby/test_io_buffer.rb
	A test worker crashed. It might be an interpreter bug or
	a bug in test/unit/parallel.rb. Try again without the -j
	option.
	make: *** [uncommon.mk:980: yes-test-all] Error 1
	"make yes-test-rubyspec MSPECOPT='--error-output stderr -j' TESTS='-j16'" exit with 0.