Result of trunk_asan@ruby-sp1 at 2026-01-16 10:31:47 +0900

NG (5d2fd5088d)[LOG]
test-all: 34223 tests, 7240853 assertions, 1 failures, 0 errors, 177 skips
test-spec: 3359 files, 33932 examples, 191771 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_aset_in_ractor [/tmp/ruby/src/trunk_asan/test/ruby/test_env.rb:812]:
assert_separately failed with error message
pid 3356895 exit 1
| =================================================================
| ==3356895==ERROR: AddressSanitizer: stack-use-after-return on address 0x7079a0fd1640 at pc 0x5a9f317cace9 bp 0x7079816ef950 sp 0x7079816ef948
| READ of size 4 at 0x7079a0fd1640 thread T3
|     #0 0x5a9f317cace8 in ubf_ractor_wait /tmp/ruby/src/trunk_asan/ractor_sync.c:1017:25
|     #1 0x5a9f3195d4a1 in threadptr_set_interrupt_locked /tmp/ruby/src/trunk_asan/thread.c:368:9
|     #2 0x5a9f3195d4a1 in rb_threadptr_interrupt_exec /tmp/ruby/src/trunk_asan/thread.c:6242:9
|     #3 0x5a9f3195d4a1 in rb_ractor_interrupt_exec /tmp/ruby/src/trunk_asan/thread.c:6299:5
|     #4 0x5a9f317c4651 in rb_ractor_require /tmp/ruby/src/trunk_asan/ractor.c:2552:5
|     #5 0x5a9f3171d8e9 in rb_require_internal_silent /tmp/ruby/src/trunk_asan/load.c:1409:24
|     #6 0x5a9f31dfc26e in load_encoding /tmp/ruby/src/trunk_asan/encoding.c:816:14
|     #7 0x5a9f31dfb21c in rb_enc_autoload /tmp/ruby/src/trunk_asan/encoding.c:876:13
|     #8 0x5a9f31df6da6 in check_encoding /tmp/ruby/src/trunk_asan/encoding.c:218:17
|     #9 0x5a9f31df6da6 in enc_check_encoding /tmp/ruby/src/trunk_asan/encoding.c:229:12
|     #10 0x5a9f31df6da6 in rb_to_encoding /tmp/ruby/src/trunk_asan/encoding.c:335:9
|     #11 0x5a9f3190f00c in rb_str_force_encoding /tmp/ruby/src/trunk_asan/string.c:11569:29
|     #12 0x5a9f31a444a7 in vm_call_cfunc_with_frame_ /tmp/ruby/src/trunk_asan/vm_insnhelper.c:3902:11
|     #13 0x5a9f31a29cf4 in vm_call_method_each_type /tmp/ruby/src/trunk_asan/vm_insnhelper.c:4888:16
|     #14 0x5a9f31a29784 in vm_call_method /tmp/ruby/src/trunk_asan/vm_insnhelper.c
|     #15 0x5a9f319e513c in vm_sendish /tmp/ruby/src/trunk_asan/vm_insnhelper.c:6124:15
|     #16 0x5a9f319e513c in vm_exec_core /tmp/ruby/build/trunk_asan/../../src/trunk_asan/insns.def:904:11
|     #17 0x5a9f319d3ab1 in rb_vm_exec /tmp/ruby/src/trunk_asan/vm.c:2798:22
|     #18 0x5a9f31a181ca in invoke_iseq_block_from_c /tmp/ruby/src/trunk_asan/vm.c:1820:12
|     #19 0x5a9f31a181ca in invoke_block_from_c_proc /tmp/ruby/src/trunk_asan/vm.c:1914:16
|     #20 0x5a9f31a181ca in vm_invoke_proc /tmp/ruby/src/trunk_asan/vm.c:1944:12
|     #21 0x5a9f31965946 in thread_do_start_proc /tmp/ruby/src/trunk_asan/thread.c:604:16
|     #22 0x5a9f31963668 in thread_do_start /tmp/ruby/src/trunk_asan/thread.c:646:18
|     #23 0x5a9f31963668 in thread_start_func_2 /tmp/ruby/src/trunk_asan/thread.c:697:18
|     #24 0x5a9f3196294d in call_thread_start_func_2 /tmp/ruby/src/trunk_asan/thread_pthread.c:2227:5
|     #25 0x5a9f3196294d in nt_start /tmp/ruby/src/trunk_asan/thread_pthread.c:2272:13
|     #26 0x5a9f315bfafe in asan_thread_start(void*) asan_interceptors.cpp.o
|     #27 0x7079a2e9caa3 in start_thread nptl/pthread_create.c:447:8
|     #28 0x7079a2f29c6b in clone3 misc/../sysdeps/unix/sysv/linux/x86_64/clone3.S:78
| 
| Address 0x7079a0fd1640 is located in stack of thread T0 at offset 64 in frame
|     #0 0x5a9f317c95af in ractor_wait_receive /tmp/ruby/src/trunk_asan/ractor_sync.c:1108
| 
|   This frame has 3 object(s):
|     [32, 40) 'rq.i' (line 371)
|     [64, 96) 'waiter.i' (line 1036) <== Memory access at offset 64 is inside this variable
|     [128, 152) 'messages' (line 1109)
| 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:1017:25 in ubf_ractor_wait
| Shadow bytes around the buggy address:
|   0x7079a0fd1380: f5 f5 f5 f5 f5 f5 f5 f5 f5 f5 f5 f5 f5 f5 f5 f5
|   0x7079a0fd1400: f5 f5 f5 f5 f5 f5 f5 f5 f5 f5 f5 f5 f5 f5 f5 f5
|   0x7079a0fd1480: f5 f5 f5 f5 f5 f5 f5 f5 f5 f5 f5 f5 f5 f5 f5 f5
|   0x7079a0fd1500: f5 f5 f5 f5 f5 f5 f5 f5 f5 f5 f5 f5 f5 f5 f5 f5
|   0x7079a0fd1580: f5 f5 f5 f5 f5 f5 f5 f5 f5 f5 f5 f5 f5 f5 f5 f5
| =>0x7079a0fd1600: f5 f5 f5 f5 f5 f5 f5 f5[f5]f5 f5 f5 f5 f5 f5 f5
|   0x7079a0fd1680: f5 f5 f5 f5 f5 f5 f5 f5 f5 f5 f5 f5 f5 f5 f5 f5
|   0x7079a0fd1700: f5 f5 f5 f5 f5 f5 f5 f5 f5 f5 f5 f5 f5 f5 f5 f5
|   0x7079a0fd1780: f5 f5 f5 f5 f5 f5 f5 f5 f5 f5 f5 f5 f5 f5 f5 f5
|   0x7079a0fd1800: f5 f5 f5 f5 f5 f5 f5 f5 f5 f5 f5 f5 f5 f5 f5 f5
|   0x7079a0fd1880: 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 0x5a9f315a77a1 in pthread_create (/tmp/ruby/build/trunk_asan/ruby+0x1ef7a1) (BuildId: 28a4471a33c958f38b64aca5568d16b2f94fb8e4)
|     #1 0x5a9f319402d7 in native_thread_create0 /tmp/ruby/src/trunk_asan/thread_pthread.c:2141:11
|     #2 0x5a9f319402d7 in native_thread_create_dedicated /tmp/ruby/src/trunk_asan/thread_pthread.c:2206:15
|     #3 0x5a9f319402d7 in native_thread_create /tmp/ruby/src/trunk_asan/thread_pthread.c:2389:16
|     #4 0x5a9f319402d7 in thread_create_core /tmp/ruby/src/trunk_asan/thread.c:896:11
|     #5 0x5a9f31940da5 in rb_thread_create_ractor /tmp/ruby/src/trunk_asan/thread.c:1028:12
|     #6 0x5a9f317c6055 in ractor_create /tmp/ruby/src/trunk_asan/ractor.c:581:5
|     #7 0x5a9f319dcba9 in invoke_bf /tmp/ruby/src/trunk_asan/vm_insnhelper.c:7538:17
|     #8 0x5a9f319dcba9 in vm_invoke_builtin /tmp/ruby/src/trunk_asan/vm_insnhelper.c:7546:12
|     #9 0x5a9f319dcba9 in vm_exec_core /tmp/ruby/build/trunk_asan/../../src/trunk_asan/insns.def:1655:11
|     #10 0x5a9f319d3ab1 in rb_vm_exec /tmp/ruby/src/trunk_asan/vm.c:2798:22
|     #11 0x5a9f31a1cf68 in rb_iseq_eval_main /tmp/ruby/src/trunk_asan/vm.c:3064:11
|     #12 0x5a9f31606c6f in rb_ec_exec_node /tmp/ruby/src/trunk_asan/eval.c:283:9
|     #13 0x5a9f31606c6f in ruby_run_node /tmp/ruby/src/trunk_asan/eval.c:321:30
|     #14 0x5a9f315ffbb6 in rb_main /tmp/ruby/src/trunk_asan/main.c:42:12
|     #15 0x5a9f315ffbb6 in main /tmp/ruby/src/trunk_asan/main.c:62:12
|     #16 0x7079a2e2a1c9 in __libc_start_call_main csu/../sysdeps/nptl/libc_start_call_main.h:58:16
|     #17 0x7079a2e2a28a in __libc_start_main csu/../csu/libc-start.c:360:3
|     #18 0x5a9f31523984 in _start (/tmp/ruby/build/trunk_asan/ruby+0x16b984) (BuildId: 28a4471a33c958f38b64aca5568d16b2f94fb8e4)
| 
| ==3356895==ABORTING
| -:26: [BUG] ASAN error
| ruby 4.1.0dev (2026-01-15T22:57:27Z master 5d2fd5088d) +PRISM [x86_64-linux]
| 
| -- Control frame information -----------------------------------------------
| c:0003 p:---- s:0016 e:000015 l:y b:---- CFUNC  :force_encoding
| c:0002 p:0054 s:0011 e:000009 l:n b:---- BLOCK  -:26 [FINISH]
| c:0001 p:---- s:0003 e:000002 l:y b:---- DUMMY  [FINISH]
| 
| -- Ruby level backtrace information ----------------------------------------
| -:26:in 'block in <main>'
| -:26: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) [0x5a9f31569d69]
| /tmp/ruby/build/trunk_asan/ruby(rb_print_backtrace+0x14) [0x5a9f31a78974] /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) [0x5a9f31e2cbd5] /tmp/ruby/src/trunk_asan/error.c:1098
| /tmp/ruby/build/trunk_asan/ruby(rb_bug_without_die+0x12c) [0x5a9f31e2c86c] /tmp/ruby/src/trunk_asan/error.c:1107
| /tmp/ruby/build/trunk_asan/ruby(0x5a9f315e628a) [0x5a9f315e628a]
| /tmp/ruby/build/trunk_asan/ruby(0x5a9f315c6d0f) [0x5a9f315c6d0f]
| /tmp/ruby/build/trunk_asan/ruby(0x5a9f315c9d9d) [0x5a9f315c9d9d]
| /tmp/ruby/build/trunk_asan/ruby(__asan_report_load4) [0x5a9f315caa3c]
| /tmp/ruby/build/trunk_asan/ruby(ractor_lock+0x0) [0x5a9f317cace9] /tmp/ruby/src/trunk_asan/ractor_sync.c:1017
| /tmp/ruby/build/trunk_asan/ruby(ubf_ractor_wait) /tmp/ruby/src/trunk_asan/ractor_sync.c:1015
| /tmp/ruby/build/trunk_asan/ruby(rb_native_mutex_unlock+0x0) [0x5a9f3195d4a2] /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:6244
| /tmp/ruby/build/trunk_asan/ruby(rb_ractor_interrupt_exec) /tmp/ruby/src/trunk_asan/thread.c:6299
| /tmp/ruby/build/trunk_asan/ruby(rb_ractor_require+0x652) [0x5a9f317c4652] /tmp/ruby/src/trunk_asan/ractor.c:2552
| /tmp/ruby/build/trunk_asan/ruby(rb_num2int_inline+0x0) [0x5a9f3171d8ea] /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) [0x5a9f31dfc26f] /tmp/ruby/src/trunk_asan/encoding.c:816
| /tmp/ruby/build/trunk_asan/ruby(rb_enc_autoload+0x4cd) [0x5a9f31dfb21d] /tmp/ruby/src/trunk_asan/encoding.c:876
| /tmp/ruby/build/trunk_asan/ruby(rb_to_encoding+0x1c7) [0x5a9f31df6da7] /tmp/ruby/src/trunk_asan/encoding.c:218
| /tmp/ruby/build/trunk_asan/ruby(rb_str_force_encoding+0x3d) [0x5a9f3190f00d] /tmp/ruby/src/trunk_asan/string.c:11569
| /tmp/ruby/build/trunk_asan/ruby(vm_cfp_consistent_p+0x0) [0x5a9f31a444a8] /tmp/ruby/src/trunk_asan/vm_insnhelper.c:3902
| /tmp/ruby/build/trunk_asan/ruby(vm_call_cfunc_with_frame_) /tmp/ruby/src/trunk_asan/vm_insnhelper.c:3904
| /tmp/ruby/build/trunk_asan/ruby(vm_call_method_each_type+0x295) [0x5a9f31a29cf5] /tmp/ruby/src/trunk_asan/vm_insnhelper.c:4888
| /tmp/ruby/build/trunk_asan/ruby(vm_call_method+0x2d5) [0x5a9f31a29785]
| /tmp/ruby/build/trunk_asan/ruby(vm_sendish+0x265) [0x5a9f319e513d] /tmp/ruby/src/trunk_asan/vm_insnhelper.c:6124
| /tmp/ruby/build/trunk_asan/ruby(vm_exec_core) ../../src/trunk_asan/insns.def:904
| /tmp/ruby/build/trunk_asan/ruby(rb_vm_exec+0x4e2) [0x5a9f319d3ab2] /tmp/ruby/src/trunk_asan/vm.c:2798
| /tmp/ruby/build/trunk_asan/ruby(invoke_iseq_block_from_c+0x1f2) [0x5a9f31a181cb] /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+0x657) [0x5a9f31965947] /tmp/ruby/src/trunk_asan/thread.c:604
| /tmp/ruby/build/trunk_asan/ruby(thread_do_start+0x19a) [0x5a9f31963669] /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) [0x5a9f3196294e] /tmp/ruby/src/trunk_asan/thread_pthread.c:2227
| /tmp/ruby/build/trunk_asan/ruby(nt_start) /tmp/ruby/src/trunk_asan/thread_pthread.c:2272
| /tmp/ruby/build/trunk_asan/ruby(0x5a9f315bfaff) [0x5a9f315bfaff]
| /lib/x86_64-linux-gnu/libc.so.6(start_thread+0x384) [0x7079a2e9caa4] ./nptl/pthread_create.c:447
| /lib/x86_64-linux-gnu/libc.so.6(clone3+0x2c) [0x7079a2f29c6c] ../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 thread.rb
|     2 fiber.so
|     3 rational.so
|     4 complex.so
|     5 pathname.so
|     6 ruby2_keywords.rb
|     7 set.rb
|     8 /tmp/ruby/build/trunk_asan/.ext/x86_64-linux/enc/encdb.so
|     9 /tmp/ruby/build/trunk_asan/.ext/x86_64-linux/enc/trans/transdb.so
|    10 /tmp/ruby/src/trunk_asan/lib/open3/version.rb
|    11 /tmp/ruby/src/trunk_asan/lib/open3.rb
|    12 /tmp/ruby/src/trunk_asan/lib/timeout.rb
|    13 /tmp/ruby/build/trunk_asan/rbconfig.rb
|    14 /tmp/ruby/src/trunk_asan/tool/lib/find_executable.rb
|    15 /tmp/ruby/build/trunk_asan/.ext/x86_64-linux/rbconfig/sizeof.so
|    16 /tmp/ruby/src/trunk_asan/tool/lib/envutil.rb
|    17 /tmp/ruby/src/trunk_asan/tool/lib/colorize.rb
|    18 /tmp/ruby/src/trunk_asan/tool/lib/leakchecker.rb
|    19 /tmp/ruby/src/trunk_asan/lib/prettyprint.rb
|    20 /tmp/ruby/src/trunk_asan/lib/pp.rb
|    21 /tmp/ruby/src/trunk_asan/tool/lib/test/unit/assertions.rb
|    22 /tmp/ruby/build/trunk_asan/.ext/x86_64-linux/-test-/sanitizers.so
|    23 /tmp/ruby/build/trunk_asan/.ext/x86_64-linux/io/console.so
|    24 /tmp/ruby/src/trunk_asan/tool/lib/core_assertions.rb
|    25 /tmp/ruby/src/trunk_asan/tool/lib/test/unit/testcase.rb
|    26 /tmp/ruby/src/trunk_asan/tool/lib/test/jobserver.rb
|    27 /tmp/ruby/src/trunk_asan/lib/optparse.rb
|    28 /tmp/ruby/src/trunk_asan/tool/lib/test/unit.rb
|    29 /tmp/ruby/build/trunk_asan/.ext/x86_64-linux/enc/utf_16le.so
| 
make: *** [uncommon.mk:913: yes-test-all] Error 1
"make yes-test-rubyspec MSPECOPT='--error-output stderr -j' TESTS='-j16'" exit with 0.

Linux ruby-sp1 6.8.0-90-generic #91-Ubuntu SMP PREEMPT_DYNAMIC Tue Nov 18 14:14:30 UTC 2025 x86_64 x86_64 x86_64 GNU/Linux

Logfile: /home/ko1/ruby/logs/brlog.trunk_asan.20260116-012314
#<BuildRuby:0x000078feee12fdc0
 @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.20260116-012314",
 @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               0.000027   0.000006   0.000033 (  0.000034)
autoconf               0.000089   0.000000   0.000089 (  0.000083)
configure              0.000045   0.000000   0.000045 (  0.000043)
build_up               0.002722   0.001997   1.271304 (  1.417661)
build_miniruby         0.000045   0.001018   0.839301 (  0.837310)
build_ruby             0.001461   0.000134   1.404169 (  1.402706)
build_all              0.003455   0.002184  17.561819 (  2.160411)
build_install          0.004218   0.007816  19.533770 (  3.968065)
test_basic             0.004529   0.002080   1.130167 (  1.178629)
test_all               0.131854   0.045876 2900.680012 (452.392364)
test_rubyspec          0.080239   0.058383 588.642362 ( 49.467645)
$$$[end] "make yes-test-all TESTOPTS='--stderr-on-failure' TESTS='-j16'" exit with 512.
/home/ko1/ruby/logs/brlog.trunk_asan.20260116-012314
total: 512.83 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_aset_in_ractor [/tmp/ruby/src/trunk_asan/test/ruby/test_env.rb:812]:
	assert_separately failed with error message
	pid 3356895 exit 1
	\| =================================================================
	\| ==3356895==ERROR: AddressSanitizer: stack-use-after-return on address 0x7079a0fd1640 at pc 0x5a9f317cace9 bp 0x7079816ef950 sp 0x7079816ef948
	\| READ of size 4 at 0x7079a0fd1640 thread T3
	\| #0 0x5a9f317cace8 in ubf_ractor_wait /tmp/ruby/src/trunk_asan/ractor_sync.c:1017:25
	\| #1 0x5a9f3195d4a1 in threadptr_set_interrupt_locked /tmp/ruby/src/trunk_asan/thread.c:368:9
	\| #2 0x5a9f3195d4a1 in rb_threadptr_interrupt_exec /tmp/ruby/src/trunk_asan/thread.c:6242:9
	\| #3 0x5a9f3195d4a1 in rb_ractor_interrupt_exec /tmp/ruby/src/trunk_asan/thread.c:6299:5
	\| #4 0x5a9f317c4651 in rb_ractor_require /tmp/ruby/src/trunk_asan/ractor.c:2552:5
	\| #5 0x5a9f3171d8e9 in rb_require_internal_silent /tmp/ruby/src/trunk_asan/load.c:1409:24
	\| #6 0x5a9f31dfc26e in load_encoding /tmp/ruby/src/trunk_asan/encoding.c:816:14
	\| #7 0x5a9f31dfb21c in rb_enc_autoload /tmp/ruby/src/trunk_asan/encoding.c:876:13
	\| #8 0x5a9f31df6da6 in check_encoding /tmp/ruby/src/trunk_asan/encoding.c:218:17
	\| #9 0x5a9f31df6da6 in enc_check_encoding /tmp/ruby/src/trunk_asan/encoding.c:229:12
	\| #10 0x5a9f31df6da6 in rb_to_encoding /tmp/ruby/src/trunk_asan/encoding.c:335:9
	\| #11 0x5a9f3190f00c in rb_str_force_encoding /tmp/ruby/src/trunk_asan/string.c:11569:29
	\| #12 0x5a9f31a444a7 in vm_call_cfunc_with_frame_ /tmp/ruby/src/trunk_asan/vm_insnhelper.c:3902:11
	\| #13 0x5a9f31a29cf4 in vm_call_method_each_type /tmp/ruby/src/trunk_asan/vm_insnhelper.c:4888:16
	\| #14 0x5a9f31a29784 in vm_call_method /tmp/ruby/src/trunk_asan/vm_insnhelper.c
	\| #15 0x5a9f319e513c in vm_sendish /tmp/ruby/src/trunk_asan/vm_insnhelper.c:6124:15
	\| #16 0x5a9f319e513c in vm_exec_core /tmp/ruby/build/trunk_asan/../../src/trunk_asan/insns.def:904:11
	\| #17 0x5a9f319d3ab1 in rb_vm_exec /tmp/ruby/src/trunk_asan/vm.c:2798:22
	\| #18 0x5a9f31a181ca in invoke_iseq_block_from_c /tmp/ruby/src/trunk_asan/vm.c:1820:12
	\| #19 0x5a9f31a181ca in invoke_block_from_c_proc /tmp/ruby/src/trunk_asan/vm.c:1914:16
	\| #20 0x5a9f31a181ca in vm_invoke_proc /tmp/ruby/src/trunk_asan/vm.c:1944:12
	\| #21 0x5a9f31965946 in thread_do_start_proc /tmp/ruby/src/trunk_asan/thread.c:604:16
	\| #22 0x5a9f31963668 in thread_do_start /tmp/ruby/src/trunk_asan/thread.c:646:18
	\| #23 0x5a9f31963668 in thread_start_func_2 /tmp/ruby/src/trunk_asan/thread.c:697:18
	\| #24 0x5a9f3196294d in call_thread_start_func_2 /tmp/ruby/src/trunk_asan/thread_pthread.c:2227:5
	\| #25 0x5a9f3196294d in nt_start /tmp/ruby/src/trunk_asan/thread_pthread.c:2272:13
	\| #26 0x5a9f315bfafe in asan_thread_start(void*) asan_interceptors.cpp.o
	\| #27 0x7079a2e9caa3 in start_thread nptl/pthread_create.c:447:8
	\| #28 0x7079a2f29c6b in clone3 misc/../sysdeps/unix/sysv/linux/x86_64/clone3.S:78
	\|
	\| Address 0x7079a0fd1640 is located in stack of thread T0 at offset 64 in frame
	\| #0 0x5a9f317c95af in ractor_wait_receive /tmp/ruby/src/trunk_asan/ractor_sync.c:1108
	\|
	\| This frame has 3 object(s):
	\| [32, 40) 'rq.i' (line 371)
	\| [64, 96) 'waiter.i' (line 1036) <== Memory access at offset 64 is inside this variable
	\| [128, 152) 'messages' (line 1109)
	\| 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:1017:25 in ubf_ractor_wait
	\| Shadow bytes around the buggy address:
	\| 0x7079a0fd1380: f5 f5 f5 f5 f5 f5 f5 f5 f5 f5 f5 f5 f5 f5 f5 f5
	\| 0x7079a0fd1400: f5 f5 f5 f5 f5 f5 f5 f5 f5 f5 f5 f5 f5 f5 f5 f5
	\| 0x7079a0fd1480: f5 f5 f5 f5 f5 f5 f5 f5 f5 f5 f5 f5 f5 f5 f5 f5
	\| 0x7079a0fd1500: f5 f5 f5 f5 f5 f5 f5 f5 f5 f5 f5 f5 f5 f5 f5 f5
	\| 0x7079a0fd1580: f5 f5 f5 f5 f5 f5 f5 f5 f5 f5 f5 f5 f5 f5 f5 f5
	\| =>0x7079a0fd1600: f5 f5 f5 f5 f5 f5 f5 f5[f5]f5 f5 f5 f5 f5 f5 f5
	\| 0x7079a0fd1680: f5 f5 f5 f5 f5 f5 f5 f5 f5 f5 f5 f5 f5 f5 f5 f5
	\| 0x7079a0fd1700: f5 f5 f5 f5 f5 f5 f5 f5 f5 f5 f5 f5 f5 f5 f5 f5
	\| 0x7079a0fd1780: f5 f5 f5 f5 f5 f5 f5 f5 f5 f5 f5 f5 f5 f5 f5 f5
	\| 0x7079a0fd1800: f5 f5 f5 f5 f5 f5 f5 f5 f5 f5 f5 f5 f5 f5 f5 f5
	\| 0x7079a0fd1880: 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 0x5a9f315a77a1 in pthread_create (/tmp/ruby/build/trunk_asan/ruby+0x1ef7a1) (BuildId: 28a4471a33c958f38b64aca5568d16b2f94fb8e4)
	\| #1 0x5a9f319402d7 in native_thread_create0 /tmp/ruby/src/trunk_asan/thread_pthread.c:2141:11
	\| #2 0x5a9f319402d7 in native_thread_create_dedicated /tmp/ruby/src/trunk_asan/thread_pthread.c:2206:15
	\| #3 0x5a9f319402d7 in native_thread_create /tmp/ruby/src/trunk_asan/thread_pthread.c:2389:16
	\| #4 0x5a9f319402d7 in thread_create_core /tmp/ruby/src/trunk_asan/thread.c:896:11
	\| #5 0x5a9f31940da5 in rb_thread_create_ractor /tmp/ruby/src/trunk_asan/thread.c:1028:12
	\| #6 0x5a9f317c6055 in ractor_create /tmp/ruby/src/trunk_asan/ractor.c:581:5
	\| #7 0x5a9f319dcba9 in invoke_bf /tmp/ruby/src/trunk_asan/vm_insnhelper.c:7538:17
	\| #8 0x5a9f319dcba9 in vm_invoke_builtin /tmp/ruby/src/trunk_asan/vm_insnhelper.c:7546:12
	\| #9 0x5a9f319dcba9 in vm_exec_core /tmp/ruby/build/trunk_asan/../../src/trunk_asan/insns.def:1655:11
	\| #10 0x5a9f319d3ab1 in rb_vm_exec /tmp/ruby/src/trunk_asan/vm.c:2798:22
	\| #11 0x5a9f31a1cf68 in rb_iseq_eval_main /tmp/ruby/src/trunk_asan/vm.c:3064:11
	\| #12 0x5a9f31606c6f in rb_ec_exec_node /tmp/ruby/src/trunk_asan/eval.c:283:9
	\| #13 0x5a9f31606c6f in ruby_run_node /tmp/ruby/src/trunk_asan/eval.c:321:30
	\| #14 0x5a9f315ffbb6 in rb_main /tmp/ruby/src/trunk_asan/main.c:42:12
	\| #15 0x5a9f315ffbb6 in main /tmp/ruby/src/trunk_asan/main.c:62:12
	\| #16 0x7079a2e2a1c9 in __libc_start_call_main csu/../sysdeps/nptl/libc_start_call_main.h:58:16
	\| #17 0x7079a2e2a28a in __libc_start_main csu/../csu/libc-start.c:360:3
	\| #18 0x5a9f31523984 in _start (/tmp/ruby/build/trunk_asan/ruby+0x16b984) (BuildId: 28a4471a33c958f38b64aca5568d16b2f94fb8e4)
	\|
	\| ==3356895==ABORTING
	\| -:26: [BUG] ASAN error
	\| ruby 4.1.0dev (2026-01-15T22:57:27Z master 5d2fd5088d) +PRISM [x86_64-linux]
	\|
	\| -- Control frame information -----------------------------------------------
	\| c:0003 p:---- s:0016 e:000015 l:y b:---- CFUNC :force_encoding
	\| c:0002 p:0054 s:0011 e:000009 l:n b:---- BLOCK -:26 [FINISH]
	\| c:0001 p:---- s:0003 e:000002 l:y b:---- DUMMY [FINISH]
	\|
	\| -- Ruby level backtrace information ----------------------------------------
	\| -:26:in 'block in <main>'
	\| -:26: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) [0x5a9f31569d69]
	\| /tmp/ruby/build/trunk_asan/ruby(rb_print_backtrace+0x14) [0x5a9f31a78974] /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) [0x5a9f31e2cbd5] /tmp/ruby/src/trunk_asan/error.c:1098
	\| /tmp/ruby/build/trunk_asan/ruby(rb_bug_without_die+0x12c) [0x5a9f31e2c86c] /tmp/ruby/src/trunk_asan/error.c:1107
	\| /tmp/ruby/build/trunk_asan/ruby(0x5a9f315e628a) [0x5a9f315e628a]
	\| /tmp/ruby/build/trunk_asan/ruby(0x5a9f315c6d0f) [0x5a9f315c6d0f]
	\| /tmp/ruby/build/trunk_asan/ruby(0x5a9f315c9d9d) [0x5a9f315c9d9d]
	\| /tmp/ruby/build/trunk_asan/ruby(__asan_report_load4) [0x5a9f315caa3c]
	\| /tmp/ruby/build/trunk_asan/ruby(ractor_lock+0x0) [0x5a9f317cace9] /tmp/ruby/src/trunk_asan/ractor_sync.c:1017
	\| /tmp/ruby/build/trunk_asan/ruby(ubf_ractor_wait) /tmp/ruby/src/trunk_asan/ractor_sync.c:1015
	\| /tmp/ruby/build/trunk_asan/ruby(rb_native_mutex_unlock+0x0) [0x5a9f3195d4a2] /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:6244
	\| /tmp/ruby/build/trunk_asan/ruby(rb_ractor_interrupt_exec) /tmp/ruby/src/trunk_asan/thread.c:6299
	\| /tmp/ruby/build/trunk_asan/ruby(rb_ractor_require+0x652) [0x5a9f317c4652] /tmp/ruby/src/trunk_asan/ractor.c:2552
	\| /tmp/ruby/build/trunk_asan/ruby(rb_num2int_inline+0x0) [0x5a9f3171d8ea] /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) [0x5a9f31dfc26f] /tmp/ruby/src/trunk_asan/encoding.c:816
	\| /tmp/ruby/build/trunk_asan/ruby(rb_enc_autoload+0x4cd) [0x5a9f31dfb21d] /tmp/ruby/src/trunk_asan/encoding.c:876
	\| /tmp/ruby/build/trunk_asan/ruby(rb_to_encoding+0x1c7) [0x5a9f31df6da7] /tmp/ruby/src/trunk_asan/encoding.c:218
	\| /tmp/ruby/build/trunk_asan/ruby(rb_str_force_encoding+0x3d) [0x5a9f3190f00d] /tmp/ruby/src/trunk_asan/string.c:11569
	\| /tmp/ruby/build/trunk_asan/ruby(vm_cfp_consistent_p+0x0) [0x5a9f31a444a8] /tmp/ruby/src/trunk_asan/vm_insnhelper.c:3902
	\| /tmp/ruby/build/trunk_asan/ruby(vm_call_cfunc_with_frame_) /tmp/ruby/src/trunk_asan/vm_insnhelper.c:3904
	\| /tmp/ruby/build/trunk_asan/ruby(vm_call_method_each_type+0x295) [0x5a9f31a29cf5] /tmp/ruby/src/trunk_asan/vm_insnhelper.c:4888
	\| /tmp/ruby/build/trunk_asan/ruby(vm_call_method+0x2d5) [0x5a9f31a29785]
	\| /tmp/ruby/build/trunk_asan/ruby(vm_sendish+0x265) [0x5a9f319e513d] /tmp/ruby/src/trunk_asan/vm_insnhelper.c:6124
	\| /tmp/ruby/build/trunk_asan/ruby(vm_exec_core) ../../src/trunk_asan/insns.def:904
	\| /tmp/ruby/build/trunk_asan/ruby(rb_vm_exec+0x4e2) [0x5a9f319d3ab2] /tmp/ruby/src/trunk_asan/vm.c:2798
	\| /tmp/ruby/build/trunk_asan/ruby(invoke_iseq_block_from_c+0x1f2) [0x5a9f31a181cb] /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+0x657) [0x5a9f31965947] /tmp/ruby/src/trunk_asan/thread.c:604
	\| /tmp/ruby/build/trunk_asan/ruby(thread_do_start+0x19a) [0x5a9f31963669] /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) [0x5a9f3196294e] /tmp/ruby/src/trunk_asan/thread_pthread.c:2227
	\| /tmp/ruby/build/trunk_asan/ruby(nt_start) /tmp/ruby/src/trunk_asan/thread_pthread.c:2272
	\| /tmp/ruby/build/trunk_asan/ruby(0x5a9f315bfaff) [0x5a9f315bfaff]
	\| /lib/x86_64-linux-gnu/libc.so.6(start_thread+0x384) [0x7079a2e9caa4] ./nptl/pthread_create.c:447
	\| /lib/x86_64-linux-gnu/libc.so.6(clone3+0x2c) [0x7079a2f29c6c] ../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 thread.rb
	\| 2 fiber.so
	\| 3 rational.so
	\| 4 complex.so
	\| 5 pathname.so
	\| 6 ruby2_keywords.rb
	\| 7 set.rb
	\| 8 /tmp/ruby/build/trunk_asan/.ext/x86_64-linux/enc/encdb.so
	\| 9 /tmp/ruby/build/trunk_asan/.ext/x86_64-linux/enc/trans/transdb.so
	\| 10 /tmp/ruby/src/trunk_asan/lib/open3/version.rb
	\| 11 /tmp/ruby/src/trunk_asan/lib/open3.rb
	\| 12 /tmp/ruby/src/trunk_asan/lib/timeout.rb
	\| 13 /tmp/ruby/build/trunk_asan/rbconfig.rb
	\| 14 /tmp/ruby/src/trunk_asan/tool/lib/find_executable.rb
	\| 15 /tmp/ruby/build/trunk_asan/.ext/x86_64-linux/rbconfig/sizeof.so
	\| 16 /tmp/ruby/src/trunk_asan/tool/lib/envutil.rb
	\| 17 /tmp/ruby/src/trunk_asan/tool/lib/colorize.rb
	\| 18 /tmp/ruby/src/trunk_asan/tool/lib/leakchecker.rb
	\| 19 /tmp/ruby/src/trunk_asan/lib/prettyprint.rb
	\| 20 /tmp/ruby/src/trunk_asan/lib/pp.rb
	\| 21 /tmp/ruby/src/trunk_asan/tool/lib/test/unit/assertions.rb
	\| 22 /tmp/ruby/build/trunk_asan/.ext/x86_64-linux/-test-/sanitizers.so
	\| 23 /tmp/ruby/build/trunk_asan/.ext/x86_64-linux/io/console.so
	\| 24 /tmp/ruby/src/trunk_asan/tool/lib/core_assertions.rb
	\| 25 /tmp/ruby/src/trunk_asan/tool/lib/test/unit/testcase.rb
	\| 26 /tmp/ruby/src/trunk_asan/tool/lib/test/jobserver.rb
	\| 27 /tmp/ruby/src/trunk_asan/lib/optparse.rb
	\| 28 /tmp/ruby/src/trunk_asan/tool/lib/test/unit.rb
	\| 29 /tmp/ruby/build/trunk_asan/.ext/x86_64-linux/enc/utf_16le.so
	\|
	make: *** [uncommon.mk:913: yes-test-all] Error 1
	"make yes-test-rubyspec MSPECOPT='--error-output stderr -j' TESTS='-j16'" exit with 0.