Result of trunk_asan@ruby-sp1 at 2026-03-14 00:57:23 +0900

NG (17747554a6)[LOG]
test-all: 34639 tests, 7260898 assertions, 1 failures, 0 errors, 179 skips
test-spec: 3429 files, 34261 examples, 195923 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.
  1) Failure:
TestEnv#test_fetch_in_ractor [/tmp/ruby/src/trunk_asan/test/ruby/test_env.rb:803]:
assert_separately failed with error message
pid 2563336 exit 1
| =================================================================
| ==2563336==ERROR: AddressSanitizer: stack-use-after-return on address 0x7acb549a3040 at pc 0x5eee54304cb9 bp 0x7acb363f8970 sp 0x7acb363f8968
| READ of size 4 at 0x7acb549a3040 thread T3
|     #0 0x5eee54304cb8 in ubf_ractor_wait /tmp/ruby/src/trunk_asan/ractor_sync.c:1003:25
|     #1 0x5eee5449ac81 in threadptr_set_interrupt_locked /tmp/ruby/src/trunk_asan/thread.c:368:9
|     #2 0x5eee5449ac81 in rb_threadptr_interrupt_exec /tmp/ruby/src/trunk_asan/thread.c:6265:9
|     #3 0x5eee5449ac81 in rb_ractor_interrupt_exec /tmp/ruby/src/trunk_asan/thread.c:6322:5
|     #4 0x5eee542fe44e in rb_ractor_require /tmp/ruby/src/trunk_asan/ractor.c:2560:5
|     #5 0x5eee54256719 in rb_require_internal_silent /tmp/ruby/src/trunk_asan/load.c:1409:24
|     #6 0x5eee549262de in load_encoding /tmp/ruby/src/trunk_asan/encoding.c:816:14
|     #7 0x5eee5492528c in rb_enc_autoload /tmp/ruby/src/trunk_asan/encoding.c:876:13
|     #8 0x5eee54920e16 in check_encoding /tmp/ruby/src/trunk_asan/encoding.c:218:17
|     #9 0x5eee54920e16 in enc_check_encoding /tmp/ruby/src/trunk_asan/encoding.c:229:12
|     #10 0x5eee54920e16 in rb_to_encoding /tmp/ruby/src/trunk_asan/encoding.c:335:9
|     #11 0x5eee5444a5ac in rb_str_force_encoding /tmp/ruby/src/trunk_asan/string.c:11596:29
|     #12 0x5eee54584697 in vm_call_cfunc_with_frame_ /tmp/ruby/src/trunk_asan/vm_insnhelper.c:3905:11
|     #13 0x5eee54569952 in vm_call_method_each_type /tmp/ruby/src/trunk_asan/vm_insnhelper.c:4891:16
|     #14 0x5eee545693bc in vm_call_method /tmp/ruby/src/trunk_asan/vm_insnhelper.c
|     #15 0x5eee545245e0 in vm_sendish /tmp/ruby/src/trunk_asan/vm_insnhelper.c:6127:15
|     #16 0x5eee545245e0 in vm_exec_core /tmp/ruby/build/trunk_asan/../../src/trunk_asan/insns.def:906:11
|     #17 0x5eee54513080 in vm_exec_loop /tmp/ruby/src/trunk_asan/vm.c:2825:22
|     #18 0x5eee54513080 in rb_vm_exec /tmp/ruby/src/trunk_asan/vm.c:2804:18
|     #19 0x5eee54557c3a in invoke_iseq_block_from_c /tmp/ruby/src/trunk_asan/vm.c:1820:12
|     #20 0x5eee54557c3a in invoke_block_from_c_proc /tmp/ruby/src/trunk_asan/vm.c:1914:16
|     #21 0x5eee54557c3a in vm_invoke_proc /tmp/ruby/src/trunk_asan/vm.c:1944:12
|     #22 0x5eee544a3e1e in thread_do_start_proc /tmp/ruby/src/trunk_asan/thread.c:604:16
|     #23 0x5eee544a1b38 in thread_do_start /tmp/ruby/src/trunk_asan/thread.c:646:18
|     #24 0x5eee544a1b38 in thread_start_func_2 /tmp/ruby/src/trunk_asan/thread.c:697:18
|     #25 0x5eee544a0e1d in call_thread_start_func_2 /tmp/ruby/src/trunk_asan/thread_pthread.c:2223:5
|     #26 0x5eee544a0e1d in nt_start /tmp/ruby/src/trunk_asan/thread_pthread.c:2268:13
|     #27 0x5eee540f5ace in asan_thread_start(void*) asan_interceptors.cpp.o
|     #28 0x7acb5689caa3 in start_thread nptl/pthread_create.c:447:8
|     #29 0x7acb56929c6b in clone3 misc/../sysdeps/unix/sysv/linux/x86_64/clone3.S:78
| 
| Address 0x7acb549a3040 is located in stack of thread T0 at offset 64 in frame
|     #0 0x5eee5430356f in ractor_wait_receive /tmp/ruby/src/trunk_asan/ractor_sync.c:1094
| 
|   This frame has 3 object(s):
|     [32, 40) 'rq.i' (line 357)
|     [64, 96) 'waiter.i' (line 1022) <== Memory access at offset 64 is inside this variable
|     [128, 152) 'messages' (line 1095)
| HINT: this may be a false positive if your program uses some custom stack unwind mechanism, swapcontext or vfork
|       (longjmp and C++ exceptions *are* supported)
| SUMMARY: AddressSanitizer: stack-use-after-return /tmp/ruby/src/trunk_asan/ractor_sync.c:1003:25 in ubf_ractor_wait
| Shadow bytes around the buggy address:
|   0x7acb549a2d80: f5 f5 f5 f5 f5 f5 f5 f5 f5 f5 f5 f5 f5 f5 f5 f5
|   0x7acb549a2e00: f5 f5 f5 f5 f5 f5 f5 f5 f5 f5 f5 f5 f5 f5 f5 f5
|   0x7acb549a2e80: f5 f5 f5 f5 f5 f5 f5 f5 f5 f5 f5 f5 f5 f5 f5 f5
|   0x7acb549a2f00: f5 f5 f5 f5 f5 f5 f5 f5 f5 f5 f5 f5 f5 f5 f5 f5
|   0x7acb549a2f80: f5 f5 f5 f5 f5 f5 f5 f5 f5 f5 f5 f5 f5 f5 f5 f5
| =>0x7acb549a3000: f5 f5 f5 f5 f5 f5 f5 f5[f5]f5 f5 f5 f5 f5 f5 f5
|   0x7acb549a3080: f5 f5 f5 f5 f5 f5 f5 f5 f5 f5 f5 f5 f5 f5 f5 f5
|   0x7acb549a3100: f5 f5 f5 f5 f5 f5 f5 f5 f5 f5 f5 f5 f5 f5 f5 f5
|   0x7acb549a3180: f5 f5 f5 f5 f5 f5 f5 f5 f5 f5 f5 f5 f5 f5 f5 f5
|   0x7acb549a3200: f5 f5 f5 f5 f5 f5 f5 f5 f5 f5 f5 f5 f5 f5 f5 f5
|   0x7acb549a3280: f5 f5 f5 f5 f5 f5 f5 f5 f5 f5 f5 f5 f5 f5 f5 f5
| 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 T3 created by T0 here:
|     #0 0x5eee540dd771 in pthread_create (/tmp/ruby/build/trunk_asan/ruby+0x1ef771) (BuildId: cee94d8a1e2254cca34ddcdf3c6eba03c30227d2)
|     #1 0x5eee5447d279 in native_thread_create0 /tmp/ruby/src/trunk_asan/thread_pthread.c:2137:11
|     #2 0x5eee5447d279 in native_thread_create_dedicated /tmp/ruby/src/trunk_asan/thread_pthread.c:2202:15
|     #3 0x5eee5447d279 in native_thread_create /tmp/ruby/src/trunk_asan/thread_pthread.c:2385:16
|     #4 0x5eee5447d279 in thread_create_core /tmp/ruby/src/trunk_asan/thread.c:896:11
|     #5 0x5eee5447dd55 in rb_thread_create_ractor /tmp/ruby/src/trunk_asan/thread.c:1028:12
|     #6 0x5eee542ffec5 in ractor_create /tmp/ruby/src/trunk_asan/ractor.c:586:5
|     #7 0x5eee5451bcaa in invoke_bf /tmp/ruby/src/trunk_asan/vm_insnhelper.c:7541:17
|     #8 0x5eee5451bcaa in vm_invoke_builtin /tmp/ruby/src/trunk_asan/vm_insnhelper.c:7549:12
|     #9 0x5eee5451bcaa in vm_exec_core /tmp/ruby/build/trunk_asan/../../src/trunk_asan/insns.def:1707:11
|     #10 0x5eee54512c91 in rb_vm_exec /tmp/ruby/src/trunk_asan/vm.c:2798:22
|     #11 0x5eee5455ca15 in rb_iseq_eval_main /tmp/ruby/src/trunk_asan/vm.c:3064:11
|     #12 0x5eee5413cc4f in rb_ec_exec_node /tmp/ruby/src/trunk_asan/eval.c:283:9
|     #13 0x5eee5413cc4f in ruby_run_node /tmp/ruby/src/trunk_asan/eval.c:321:30
|     #14 0x5eee54135b86 in rb_main /tmp/ruby/src/trunk_asan/main.c:42:12
|     #15 0x5eee54135b86 in main /tmp/ruby/src/trunk_asan/main.c:62:12
|     #16 0x7acb5682a1c9 in __libc_start_call_main csu/../sysdeps/nptl/libc_start_call_main.h:58:16
|     #17 0x7acb5682a28a in __libc_start_main csu/../csu/libc-start.c:360:3
|     #18 0x5eee54059954 in _start (/tmp/ruby/build/trunk_asan/ruby+0x16b954) (BuildId: cee94d8a1e2254cca34ddcdf3c6eba03c30227d2)
| 
| ==2563336==ABORTING
| -:31: [BUG] ASAN error
| ruby 4.1.0dev (2026-03-13T15:13:33Z master 17747554a6) +PRISM [x86_64-linux]
| 
| -- Control frame information -----------------------------------------------
| c:0003 p:---- s:0017 e:000016 l:y b:---- CFUNC  :force_encoding
| c:0002 p:0102 s:0012 e:000010 l:n b:---- BLOCK  -:31 [FINISH]
| c:0001 p:---- s:0003 e:000002 l:y b:---- DUMMY  [FINISH]
| 
| -- Ruby level backtrace information ----------------------------------------
| -:31:in 'block in <main>'
| -:31:in 'force_encoding'
| 
| -- Threading information ---------------------------------------------------
| Total ractor count: 2
| Ruby thread count for this ractor: 1
| 
| -- C level backtrace information -------------------------------------------
| /tmp/ruby/build/trunk_asan/ruby(___interceptor_backtrace) [0x5eee5409fd39]
| /tmp/ruby/build/trunk_asan/ruby(rb_print_backtrace+0x14) [0x5eee545b8e94] /tmp/ruby/src/trunk_asan/vm_dump.c:1105
| /tmp/ruby/build/trunk_asan/ruby(rb_vm_bugreport) /tmp/ruby/src/trunk_asan/vm_dump.c:1450
| /tmp/ruby/build/trunk_asan/ruby(rb_bug_without_die_internal+0x2c5) [0x5eee54956c85] /tmp/ruby/src/trunk_asan/error.c:1098
| /tmp/ruby/build/trunk_asan/ruby(rb_bug_without_die+0x12c) [0x5eee5495691c] /tmp/ruby/src/trunk_asan/error.c:1107
| /tmp/ruby/build/trunk_asan/ruby(0x5eee5411c25a) [0x5eee5411c25a]
| /tmp/ruby/build/trunk_asan/ruby(0x5eee540fccdf) [0x5eee540fccdf]
| /tmp/ruby/build/trunk_asan/ruby(0x5eee540ffd6d) [0x5eee540ffd6d]
| /tmp/ruby/build/trunk_asan/ruby(__asan_report_load4) [0x5eee54100a0c]
| /tmp/ruby/build/trunk_asan/ruby(ractor_lock+0x0) [0x5eee54304cb9] /tmp/ruby/src/trunk_asan/ractor_sync.c:1003
| /tmp/ruby/build/trunk_asan/ruby(ubf_ractor_wait) /tmp/ruby/src/trunk_asan/ractor_sync.c:1001
| /tmp/ruby/build/trunk_asan/ruby(rb_native_mutex_unlock+0x0) [0x5eee5449ac82] /tmp/ruby/src/trunk_asan/thread.c:368
| /tmp/ruby/build/trunk_asan/ruby(rb_threadptr_interrupt_exec) /tmp/ruby/src/trunk_asan/thread.c:6267
| /tmp/ruby/build/trunk_asan/ruby(rb_ractor_interrupt_exec) /tmp/ruby/src/trunk_asan/thread.c:6322
| /tmp/ruby/build/trunk_asan/ruby(rb_ractor_require+0x63f) [0x5eee542fe44f] /tmp/ruby/src/trunk_asan/ractor.c:2560
| /tmp/ruby/build/trunk_asan/ruby(rb_num2int_inline+0x0) [0x5eee5425671a] /tmp/ruby/src/trunk_asan/load.c:1409
| /tmp/ruby/build/trunk_asan/ruby(rb_require_internal_silent) /tmp/ruby/src/trunk_asan/load.c:1409
| /tmp/ruby/build/trunk_asan/ruby(load_encoding+0xe1f) [0x5eee549262df] /tmp/ruby/src/trunk_asan/encoding.c:816
| /tmp/ruby/build/trunk_asan/ruby(rb_enc_autoload+0x4cd) [0x5eee5492528d] /tmp/ruby/src/trunk_asan/encoding.c:876
| /tmp/ruby/build/trunk_asan/ruby(rb_to_encoding+0x1c7) [0x5eee54920e17] /tmp/ruby/src/trunk_asan/encoding.c:218
| /tmp/ruby/build/trunk_asan/ruby(rb_str_force_encoding+0x3d) [0x5eee5444a5ad] /tmp/ruby/src/trunk_asan/string.c:11596
| /tmp/ruby/build/trunk_asan/ruby(vm_cfp_consistent_p+0x0) [0x5eee54584698] /tmp/ruby/src/trunk_asan/vm_insnhelper.c:3905
| /tmp/ruby/build/trunk_asan/ruby(vm_call_cfunc_with_frame_) /tmp/ruby/src/trunk_asan/vm_insnhelper.c:3907
| /tmp/ruby/build/trunk_asan/ruby(vm_call_method_each_type+0x283) [0x5eee54569953] /tmp/ruby/src/trunk_asan/vm_insnhelper.c:4891
| /tmp/ruby/build/trunk_asan/ruby(vm_call_method+0x2dd) [0x5eee545693bd]
| /tmp/ruby/build/trunk_asan/ruby(vm_sendish+0x267) [0x5eee545245e1] /tmp/ruby/src/trunk_asan/vm_insnhelper.c:6127
| /tmp/ruby/build/trunk_asan/ruby(vm_exec_core) ../../src/trunk_asan/insns.def:906
| /tmp/ruby/build/trunk_asan/ruby(vm_exec_loop+0x198) [0x5eee54513081] /tmp/ruby/src/trunk_asan/vm.c:2825
| /tmp/ruby/build/trunk_asan/ruby(rb_vm_exec) /tmp/ruby/src/trunk_asan/vm.c:2804
| /tmp/ruby/build/trunk_asan/ruby(invoke_iseq_block_from_c+0x1f8) [0x5eee54557c3b] /tmp/ruby/src/trunk_asan/vm.c:1820
| /tmp/ruby/build/trunk_asan/ruby(invoke_block_from_c_proc) /tmp/ruby/src/trunk_asan/vm.c:1914
| /tmp/ruby/build/trunk_asan/ruby(vm_invoke_proc) /tmp/ruby/src/trunk_asan/vm.c:1944
| /tmp/ruby/build/trunk_asan/ruby(thread_do_start_proc+0x65f) [0x5eee544a3e1f] /tmp/ruby/src/trunk_asan/thread.c:604
| /tmp/ruby/build/trunk_asan/ruby(thread_do_start+0x19a) [0x5eee544a1b39] /tmp/ruby/src/trunk_asan/thread.c:646
| /tmp/ruby/build/trunk_asan/ruby(thread_start_func_2) /tmp/ruby/src/trunk_asan/thread.c:697
| /tmp/ruby/build/trunk_asan/ruby(call_thread_start_func_2+0x52) [0x5eee544a0e1e] /tmp/ruby/src/trunk_asan/thread_pthread.c:2223
| /tmp/ruby/build/trunk_asan/ruby(nt_start) /tmp/ruby/src/trunk_asan/thread_pthread.c:2268
| /tmp/ruby/build/trunk_asan/ruby(0x5eee540f5acf) [0x5eee540f5acf]
| /lib/x86_64-linux-gnu/libc.so.6(start_thread+0x384) [0x7acb5689caa4] ./nptl/pthread_create.c:447
| /lib/x86_64-linux-gnu/libc.so.6(clone3+0x2c) [0x7acb56929c6c] ../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 -----------------------------------------------
| 
| * Loaded script: -
| 
| * Ruby Box: disabled
| * Loaded features:
| 
|     0 enumerator.so
|     1 monitor.so
|     2 thread.rb
|     3 fiber.so
|     4 rational.so
|     5 complex.so
|     6 pathname.so
|     7 ruby2_keywords.rb
|     8 set.rb
|     9 /tmp/ruby/build/trunk_asan/.ext/x86_64-linux/enc/encdb.so
|    10 /tmp/ruby/build/trunk_asan/.ext/x86_64-linux/enc/trans/transdb.so
|    11 /tmp/ruby/src/trunk_asan/lib/open3/version.rb
|    12 /tmp/ruby/src/trunk_asan/lib/open3.rb
|    13 /tmp/ruby/src/trunk_asan/lib/timeout.rb
|    14 /tmp/ruby/build/trunk_asan/rbconfig.rb
|    15 /tmp/ruby/src/trunk_asan/tool/lib/find_executable.rb
|    16 /tmp/ruby/build/trunk_asan/.ext/x86_64-linux/rbconfig/sizeof.so
|    17 /tmp/ruby/src/trunk_asan/tool/lib/envutil.rb
|    18 /tmp/ruby/src/trunk_asan/tool/lib/colorize.rb
|    19 /tmp/ruby/src/trunk_asan/tool/lib/leakchecker.rb
|    20 /tmp/ruby/src/trunk_asan/lib/prettyprint.rb
|    21 /tmp/ruby/src/trunk_asan/lib/pp.rb
|    22 /tmp/ruby/src/trunk_asan/tool/lib/test/unit/assertions.rb
|    23 /tmp/ruby/build/trunk_asan/.ext/x86_64-linux/-test-/sanitizers.so
|    24 /tmp/ruby/build/trunk_asan/.ext/x86_64-linux/io/console.so
|    25 /tmp/ruby/src/trunk_asan/tool/lib/core_assertions.rb
|    26 /tmp/ruby/src/trunk_asan/tool/lib/test/unit/testcase.rb
|    27 /tmp/ruby/src/trunk_asan/tool/lib/test/jobserver.rb
|    28 /tmp/ruby/src/trunk_asan/lib/optparse.rb
|    29 /tmp/ruby/src/trunk_asan/tool/lib/test/unit.rb
|    30 /tmp/ruby/build/trunk_asan/.ext/x86_64-linux/enc/utf_16le.so
| 
make: *** [uncommon.mk:920: yes-test-all] Error 1
"make yes-test-rubyspec MSPECOPT='--error-output stderr -j' TESTS='-j16'" exit with 0.

Linux ruby-sp1 6.8.0-100-generic #100-Ubuntu SMP PREEMPT_DYNAMIC Tue Jan 13 16:40:06 UTC 2026 x86_64 x86_64 x86_64 GNU/Linux

Logfile: /home/ko1/ruby/logs/brlog.trunk_asan.20260313-155057
#<BuildRuby:0x00007e923078fdc0
 @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.20260313-155057",
 @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               0.000023   0.000007   0.000030 (  0.000030)
autoconf               0.000042   0.000014   0.000056 (  0.000052)
configure              0.000034   0.000012   0.000046 (  0.000045)
build_up               0.000480   0.003807   1.098617 (  1.351343)
build_miniruby         0.000776   0.000327   0.851245 (  0.831357)
build_ruby             0.000977   0.000567   1.413406 (  1.411207)
build_all              0.003443   0.002640  15.172416 (  1.949572)
build_install          0.007152   0.004513  16.879706 (  3.559942)
test_basic             0.002770   0.003536   1.139146 (  1.187952)
test_all               0.128802   0.052489 2819.804729 (330.824807)
test_rubyspec          0.089175   0.050030 548.387518 ( 45.352429)
$$$[end] "make yes-test-all TESTOPTS='--stderr-on-failure' TESTS='-j16'" exit with 512.
/home/ko1/ruby/logs/brlog.trunk_asan.20260313-155057
total: 386.47 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.
	1) Failure:
	TestEnv#test_fetch_in_ractor [/tmp/ruby/src/trunk_asan/test/ruby/test_env.rb:803]:
	assert_separately failed with error message
	pid 2563336 exit 1
	\| =================================================================
	\| ==2563336==ERROR: AddressSanitizer: stack-use-after-return on address 0x7acb549a3040 at pc 0x5eee54304cb9 bp 0x7acb363f8970 sp 0x7acb363f8968
	\| READ of size 4 at 0x7acb549a3040 thread T3
	\| #0 0x5eee54304cb8 in ubf_ractor_wait /tmp/ruby/src/trunk_asan/ractor_sync.c:1003:25
	\| #1 0x5eee5449ac81 in threadptr_set_interrupt_locked /tmp/ruby/src/trunk_asan/thread.c:368:9
	\| #2 0x5eee5449ac81 in rb_threadptr_interrupt_exec /tmp/ruby/src/trunk_asan/thread.c:6265:9
	\| #3 0x5eee5449ac81 in rb_ractor_interrupt_exec /tmp/ruby/src/trunk_asan/thread.c:6322:5
	\| #4 0x5eee542fe44e in rb_ractor_require /tmp/ruby/src/trunk_asan/ractor.c:2560:5
	\| #5 0x5eee54256719 in rb_require_internal_silent /tmp/ruby/src/trunk_asan/load.c:1409:24
	\| #6 0x5eee549262de in load_encoding /tmp/ruby/src/trunk_asan/encoding.c:816:14
	\| #7 0x5eee5492528c in rb_enc_autoload /tmp/ruby/src/trunk_asan/encoding.c:876:13
	\| #8 0x5eee54920e16 in check_encoding /tmp/ruby/src/trunk_asan/encoding.c:218:17
	\| #9 0x5eee54920e16 in enc_check_encoding /tmp/ruby/src/trunk_asan/encoding.c:229:12
	\| #10 0x5eee54920e16 in rb_to_encoding /tmp/ruby/src/trunk_asan/encoding.c:335:9
	\| #11 0x5eee5444a5ac in rb_str_force_encoding /tmp/ruby/src/trunk_asan/string.c:11596:29
	\| #12 0x5eee54584697 in vm_call_cfunc_with_frame_ /tmp/ruby/src/trunk_asan/vm_insnhelper.c:3905:11
	\| #13 0x5eee54569952 in vm_call_method_each_type /tmp/ruby/src/trunk_asan/vm_insnhelper.c:4891:16
	\| #14 0x5eee545693bc in vm_call_method /tmp/ruby/src/trunk_asan/vm_insnhelper.c
	\| #15 0x5eee545245e0 in vm_sendish /tmp/ruby/src/trunk_asan/vm_insnhelper.c:6127:15
	\| #16 0x5eee545245e0 in vm_exec_core /tmp/ruby/build/trunk_asan/../../src/trunk_asan/insns.def:906:11
	\| #17 0x5eee54513080 in vm_exec_loop /tmp/ruby/src/trunk_asan/vm.c:2825:22
	\| #18 0x5eee54513080 in rb_vm_exec /tmp/ruby/src/trunk_asan/vm.c:2804:18
	\| #19 0x5eee54557c3a in invoke_iseq_block_from_c /tmp/ruby/src/trunk_asan/vm.c:1820:12
	\| #20 0x5eee54557c3a in invoke_block_from_c_proc /tmp/ruby/src/trunk_asan/vm.c:1914:16
	\| #21 0x5eee54557c3a in vm_invoke_proc /tmp/ruby/src/trunk_asan/vm.c:1944:12
	\| #22 0x5eee544a3e1e in thread_do_start_proc /tmp/ruby/src/trunk_asan/thread.c:604:16
	\| #23 0x5eee544a1b38 in thread_do_start /tmp/ruby/src/trunk_asan/thread.c:646:18
	\| #24 0x5eee544a1b38 in thread_start_func_2 /tmp/ruby/src/trunk_asan/thread.c:697:18
	\| #25 0x5eee544a0e1d in call_thread_start_func_2 /tmp/ruby/src/trunk_asan/thread_pthread.c:2223:5
	\| #26 0x5eee544a0e1d in nt_start /tmp/ruby/src/trunk_asan/thread_pthread.c:2268:13
	\| #27 0x5eee540f5ace in asan_thread_start(void*) asan_interceptors.cpp.o
	\| #28 0x7acb5689caa3 in start_thread nptl/pthread_create.c:447:8
	\| #29 0x7acb56929c6b in clone3 misc/../sysdeps/unix/sysv/linux/x86_64/clone3.S:78
	\|
	\| Address 0x7acb549a3040 is located in stack of thread T0 at offset 64 in frame
	\| #0 0x5eee5430356f in ractor_wait_receive /tmp/ruby/src/trunk_asan/ractor_sync.c:1094
	\|
	\| This frame has 3 object(s):
	\| [32, 40) 'rq.i' (line 357)
	\| [64, 96) 'waiter.i' (line 1022) <== Memory access at offset 64 is inside this variable
	\| [128, 152) 'messages' (line 1095)
	\| HINT: this may be a false positive if your program uses some custom stack unwind mechanism, swapcontext or vfork
	\| (longjmp and C++ exceptions are supported)
	\| SUMMARY: AddressSanitizer: stack-use-after-return /tmp/ruby/src/trunk_asan/ractor_sync.c:1003:25 in ubf_ractor_wait
	\| Shadow bytes around the buggy address:
	\| 0x7acb549a2d80: f5 f5 f5 f5 f5 f5 f5 f5 f5 f5 f5 f5 f5 f5 f5 f5
	\| 0x7acb549a2e00: f5 f5 f5 f5 f5 f5 f5 f5 f5 f5 f5 f5 f5 f5 f5 f5
	\| 0x7acb549a2e80: f5 f5 f5 f5 f5 f5 f5 f5 f5 f5 f5 f5 f5 f5 f5 f5
	\| 0x7acb549a2f00: f5 f5 f5 f5 f5 f5 f5 f5 f5 f5 f5 f5 f5 f5 f5 f5
	\| 0x7acb549a2f80: f5 f5 f5 f5 f5 f5 f5 f5 f5 f5 f5 f5 f5 f5 f5 f5
	\| =>0x7acb549a3000: f5 f5 f5 f5 f5 f5 f5 f5[f5]f5 f5 f5 f5 f5 f5 f5
	\| 0x7acb549a3080: f5 f5 f5 f5 f5 f5 f5 f5 f5 f5 f5 f5 f5 f5 f5 f5
	\| 0x7acb549a3100: f5 f5 f5 f5 f5 f5 f5 f5 f5 f5 f5 f5 f5 f5 f5 f5
	\| 0x7acb549a3180: f5 f5 f5 f5 f5 f5 f5 f5 f5 f5 f5 f5 f5 f5 f5 f5
	\| 0x7acb549a3200: f5 f5 f5 f5 f5 f5 f5 f5 f5 f5 f5 f5 f5 f5 f5 f5
	\| 0x7acb549a3280: f5 f5 f5 f5 f5 f5 f5 f5 f5 f5 f5 f5 f5 f5 f5 f5
	\| 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 T3 created by T0 here:
	\| #0 0x5eee540dd771 in pthread_create (/tmp/ruby/build/trunk_asan/ruby+0x1ef771) (BuildId: cee94d8a1e2254cca34ddcdf3c6eba03c30227d2)
	\| #1 0x5eee5447d279 in native_thread_create0 /tmp/ruby/src/trunk_asan/thread_pthread.c:2137:11
	\| #2 0x5eee5447d279 in native_thread_create_dedicated /tmp/ruby/src/trunk_asan/thread_pthread.c:2202:15
	\| #3 0x5eee5447d279 in native_thread_create /tmp/ruby/src/trunk_asan/thread_pthread.c:2385:16
	\| #4 0x5eee5447d279 in thread_create_core /tmp/ruby/src/trunk_asan/thread.c:896:11
	\| #5 0x5eee5447dd55 in rb_thread_create_ractor /tmp/ruby/src/trunk_asan/thread.c:1028:12
	\| #6 0x5eee542ffec5 in ractor_create /tmp/ruby/src/trunk_asan/ractor.c:586:5
	\| #7 0x5eee5451bcaa in invoke_bf /tmp/ruby/src/trunk_asan/vm_insnhelper.c:7541:17
	\| #8 0x5eee5451bcaa in vm_invoke_builtin /tmp/ruby/src/trunk_asan/vm_insnhelper.c:7549:12
	\| #9 0x5eee5451bcaa in vm_exec_core /tmp/ruby/build/trunk_asan/../../src/trunk_asan/insns.def:1707:11
	\| #10 0x5eee54512c91 in rb_vm_exec /tmp/ruby/src/trunk_asan/vm.c:2798:22
	\| #11 0x5eee5455ca15 in rb_iseq_eval_main /tmp/ruby/src/trunk_asan/vm.c:3064:11
	\| #12 0x5eee5413cc4f in rb_ec_exec_node /tmp/ruby/src/trunk_asan/eval.c:283:9
	\| #13 0x5eee5413cc4f in ruby_run_node /tmp/ruby/src/trunk_asan/eval.c:321:30
	\| #14 0x5eee54135b86 in rb_main /tmp/ruby/src/trunk_asan/main.c:42:12
	\| #15 0x5eee54135b86 in main /tmp/ruby/src/trunk_asan/main.c:62:12
	\| #16 0x7acb5682a1c9 in __libc_start_call_main csu/../sysdeps/nptl/libc_start_call_main.h:58:16
	\| #17 0x7acb5682a28a in __libc_start_main csu/../csu/libc-start.c:360:3
	\| #18 0x5eee54059954 in _start (/tmp/ruby/build/trunk_asan/ruby+0x16b954) (BuildId: cee94d8a1e2254cca34ddcdf3c6eba03c30227d2)
	\|
	\| ==2563336==ABORTING
	\| -:31: [BUG] ASAN error
	\| ruby 4.1.0dev (2026-03-13T15:13:33Z master 17747554a6) +PRISM [x86_64-linux]
	\|
	\| -- Control frame information -----------------------------------------------
	\| c:0003 p:---- s:0017 e:000016 l:y b:---- CFUNC :force_encoding
	\| c:0002 p:0102 s:0012 e:000010 l:n b:---- BLOCK -:31 [FINISH]
	\| c:0001 p:---- s:0003 e:000002 l:y b:---- DUMMY [FINISH]
	\|
	\| -- Ruby level backtrace information ----------------------------------------
	\| -:31:in 'block in <main>'
	\| -:31:in 'force_encoding'
	\|
	\| -- Threading information ---------------------------------------------------
	\| Total ractor count: 2
	\| Ruby thread count for this ractor: 1
	\|
	\| -- C level backtrace information -------------------------------------------
	\| /tmp/ruby/build/trunk_asan/ruby(___interceptor_backtrace) [0x5eee5409fd39]
	\| /tmp/ruby/build/trunk_asan/ruby(rb_print_backtrace+0x14) [0x5eee545b8e94] /tmp/ruby/src/trunk_asan/vm_dump.c:1105
	\| /tmp/ruby/build/trunk_asan/ruby(rb_vm_bugreport) /tmp/ruby/src/trunk_asan/vm_dump.c:1450
	\| /tmp/ruby/build/trunk_asan/ruby(rb_bug_without_die_internal+0x2c5) [0x5eee54956c85] /tmp/ruby/src/trunk_asan/error.c:1098
	\| /tmp/ruby/build/trunk_asan/ruby(rb_bug_without_die+0x12c) [0x5eee5495691c] /tmp/ruby/src/trunk_asan/error.c:1107
	\| /tmp/ruby/build/trunk_asan/ruby(0x5eee5411c25a) [0x5eee5411c25a]
	\| /tmp/ruby/build/trunk_asan/ruby(0x5eee540fccdf) [0x5eee540fccdf]
	\| /tmp/ruby/build/trunk_asan/ruby(0x5eee540ffd6d) [0x5eee540ffd6d]
	\| /tmp/ruby/build/trunk_asan/ruby(__asan_report_load4) [0x5eee54100a0c]
	\| /tmp/ruby/build/trunk_asan/ruby(ractor_lock+0x0) [0x5eee54304cb9] /tmp/ruby/src/trunk_asan/ractor_sync.c:1003
	\| /tmp/ruby/build/trunk_asan/ruby(ubf_ractor_wait) /tmp/ruby/src/trunk_asan/ractor_sync.c:1001
	\| /tmp/ruby/build/trunk_asan/ruby(rb_native_mutex_unlock+0x0) [0x5eee5449ac82] /tmp/ruby/src/trunk_asan/thread.c:368
	\| /tmp/ruby/build/trunk_asan/ruby(rb_threadptr_interrupt_exec) /tmp/ruby/src/trunk_asan/thread.c:6267
	\| /tmp/ruby/build/trunk_asan/ruby(rb_ractor_interrupt_exec) /tmp/ruby/src/trunk_asan/thread.c:6322
	\| /tmp/ruby/build/trunk_asan/ruby(rb_ractor_require+0x63f) [0x5eee542fe44f] /tmp/ruby/src/trunk_asan/ractor.c:2560
	\| /tmp/ruby/build/trunk_asan/ruby(rb_num2int_inline+0x0) [0x5eee5425671a] /tmp/ruby/src/trunk_asan/load.c:1409
	\| /tmp/ruby/build/trunk_asan/ruby(rb_require_internal_silent) /tmp/ruby/src/trunk_asan/load.c:1409
	\| /tmp/ruby/build/trunk_asan/ruby(load_encoding+0xe1f) [0x5eee549262df] /tmp/ruby/src/trunk_asan/encoding.c:816
	\| /tmp/ruby/build/trunk_asan/ruby(rb_enc_autoload+0x4cd) [0x5eee5492528d] /tmp/ruby/src/trunk_asan/encoding.c:876
	\| /tmp/ruby/build/trunk_asan/ruby(rb_to_encoding+0x1c7) [0x5eee54920e17] /tmp/ruby/src/trunk_asan/encoding.c:218
	\| /tmp/ruby/build/trunk_asan/ruby(rb_str_force_encoding+0x3d) [0x5eee5444a5ad] /tmp/ruby/src/trunk_asan/string.c:11596
	\| /tmp/ruby/build/trunk_asan/ruby(vm_cfp_consistent_p+0x0) [0x5eee54584698] /tmp/ruby/src/trunk_asan/vm_insnhelper.c:3905
	\| /tmp/ruby/build/trunk_asan/ruby(vm_call_cfunc_with_frame_) /tmp/ruby/src/trunk_asan/vm_insnhelper.c:3907
	\| /tmp/ruby/build/trunk_asan/ruby(vm_call_method_each_type+0x283) [0x5eee54569953] /tmp/ruby/src/trunk_asan/vm_insnhelper.c:4891
	\| /tmp/ruby/build/trunk_asan/ruby(vm_call_method+0x2dd) [0x5eee545693bd]
	\| /tmp/ruby/build/trunk_asan/ruby(vm_sendish+0x267) [0x5eee545245e1] /tmp/ruby/src/trunk_asan/vm_insnhelper.c:6127
	\| /tmp/ruby/build/trunk_asan/ruby(vm_exec_core) ../../src/trunk_asan/insns.def:906
	\| /tmp/ruby/build/trunk_asan/ruby(vm_exec_loop+0x198) [0x5eee54513081] /tmp/ruby/src/trunk_asan/vm.c:2825
	\| /tmp/ruby/build/trunk_asan/ruby(rb_vm_exec) /tmp/ruby/src/trunk_asan/vm.c:2804
	\| /tmp/ruby/build/trunk_asan/ruby(invoke_iseq_block_from_c+0x1f8) [0x5eee54557c3b] /tmp/ruby/src/trunk_asan/vm.c:1820
	\| /tmp/ruby/build/trunk_asan/ruby(invoke_block_from_c_proc) /tmp/ruby/src/trunk_asan/vm.c:1914
	\| /tmp/ruby/build/trunk_asan/ruby(vm_invoke_proc) /tmp/ruby/src/trunk_asan/vm.c:1944
	\| /tmp/ruby/build/trunk_asan/ruby(thread_do_start_proc+0x65f) [0x5eee544a3e1f] /tmp/ruby/src/trunk_asan/thread.c:604
	\| /tmp/ruby/build/trunk_asan/ruby(thread_do_start+0x19a) [0x5eee544a1b39] /tmp/ruby/src/trunk_asan/thread.c:646
	\| /tmp/ruby/build/trunk_asan/ruby(thread_start_func_2) /tmp/ruby/src/trunk_asan/thread.c:697
	\| /tmp/ruby/build/trunk_asan/ruby(call_thread_start_func_2+0x52) [0x5eee544a0e1e] /tmp/ruby/src/trunk_asan/thread_pthread.c:2223
	\| /tmp/ruby/build/trunk_asan/ruby(nt_start) /tmp/ruby/src/trunk_asan/thread_pthread.c:2268
	\| /tmp/ruby/build/trunk_asan/ruby(0x5eee540f5acf) [0x5eee540f5acf]
	\| /lib/x86_64-linux-gnu/libc.so.6(start_thread+0x384) [0x7acb5689caa4] ./nptl/pthread_create.c:447
	\| /lib/x86_64-linux-gnu/libc.so.6(clone3+0x2c) [0x7acb56929c6c] ../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 -----------------------------------------------
	\|
	\| * Loaded script: -
	\|
	\| * Ruby Box: disabled
	\| * Loaded features:
	\|
	\| 0 enumerator.so
	\| 1 monitor.so
	\| 2 thread.rb
	\| 3 fiber.so
	\| 4 rational.so
	\| 5 complex.so
	\| 6 pathname.so
	\| 7 ruby2_keywords.rb
	\| 8 set.rb
	\| 9 /tmp/ruby/build/trunk_asan/.ext/x86_64-linux/enc/encdb.so
	\| 10 /tmp/ruby/build/trunk_asan/.ext/x86_64-linux/enc/trans/transdb.so
	\| 11 /tmp/ruby/src/trunk_asan/lib/open3/version.rb
	\| 12 /tmp/ruby/src/trunk_asan/lib/open3.rb
	\| 13 /tmp/ruby/src/trunk_asan/lib/timeout.rb
	\| 14 /tmp/ruby/build/trunk_asan/rbconfig.rb
	\| 15 /tmp/ruby/src/trunk_asan/tool/lib/find_executable.rb
	\| 16 /tmp/ruby/build/trunk_asan/.ext/x86_64-linux/rbconfig/sizeof.so
	\| 17 /tmp/ruby/src/trunk_asan/tool/lib/envutil.rb
	\| 18 /tmp/ruby/src/trunk_asan/tool/lib/colorize.rb
	\| 19 /tmp/ruby/src/trunk_asan/tool/lib/leakchecker.rb
	\| 20 /tmp/ruby/src/trunk_asan/lib/prettyprint.rb
	\| 21 /tmp/ruby/src/trunk_asan/lib/pp.rb
	\| 22 /tmp/ruby/src/trunk_asan/tool/lib/test/unit/assertions.rb
	\| 23 /tmp/ruby/build/trunk_asan/.ext/x86_64-linux/-test-/sanitizers.so
	\| 24 /tmp/ruby/build/trunk_asan/.ext/x86_64-linux/io/console.so
	\| 25 /tmp/ruby/src/trunk_asan/tool/lib/core_assertions.rb
	\| 26 /tmp/ruby/src/trunk_asan/tool/lib/test/unit/testcase.rb
	\| 27 /tmp/ruby/src/trunk_asan/tool/lib/test/jobserver.rb
	\| 28 /tmp/ruby/src/trunk_asan/lib/optparse.rb
	\| 29 /tmp/ruby/src/trunk_asan/tool/lib/test/unit.rb
	\| 30 /tmp/ruby/build/trunk_asan/.ext/x86_64-linux/enc/utf_16le.so
	\|
	make: *** [uncommon.mk:920: yes-test-all] Error 1
	"make yes-test-rubyspec MSPECOPT='--error-output stderr -j' TESTS='-j16'" exit with 0.