June 2025 - ruby-core - ml.ruby-lang.org

[ruby-core:122208] [Ruby Bug#21354] Symbol#to_proc is not ractor safe
by luke-gru (Luke Gruber) 14 Jul '25

14 Jul '25

Issue #21354 has been reported by luke-gru (Luke Gruber). ---------------------------------------- Bug #21354: Symbol#to_proc is not ractor safe https://bugs.ruby-lang.org/issues/21354 * Author: luke-gru (Luke Gruber) * Status: Open * Backport: 3.2: UNKNOWN, 3.3: UNKNOWN, 3.4: UNKNOWN ---------------------------------------- There is caching in `Symbol#to_proc` (`rb_sym_to_proc`) that makes the assumption that we're always in the main ractor. With multiple ractors, this caching logic is not ractor-safe in that cached procs created in one ractor can leak into other ractors. In a debug build, this results in a `ractor_confirm_belonging` assertion failure. Ruby code that reproduces the issue: ```ruby :inspect.to_proc Ractor.new do :inspect.to_proc end.take ``` -- https://bugs.ruby-lang.org/

5 5

[ruby-core:122519] [Ruby Bug#21439] Crash with PM_SPLAT_NODE compiler error (Prism)
by bendrissou (Bachir Bendrissou) 14 Jul '25

14 Jul '25

Issue #21439 has been reported by bendrissou (Bachir Bendrissou). ---------------------------------------- Bug #21439: Crash with PM_SPLAT_NODE compiler error (Prism) https://bugs.ruby-lang.org/issues/21439 * Author: bendrissou (Bachir Bendrissou) * Status: Open * ruby -v: 3.5.0 * Backport: 3.2: UNKNOWN, 3.3: UNKNOWN, 3.4: UNKNOWN ---------------------------------------- Hi Ruby team, I'm encountering a crash when using a splat (*) on the left-hand side of a for loop in the latest Ruby build from master. The error occurs during compilation, and seems related to Prism’s handling of PM_SPLAT_NODE. ### Input The following minimal script crashes: ``` for *y in [4, 5] p y end ``` ### Expected Output ``` [4] [5] ``` ### Actual Output ``` bug-1.rb: [BUG] Unexpected node type for index in for node: PM_SPLAT_NODE ruby 3.5.0dev (2025-06-11T18:07:43Z master 970813d982) +PRISM [x86_64-linux] -- Control frame information ----------------------------------------------- c:0001 p:0000 s:0003 E:000720 DUMMY [FINISH] -- Threading information --------------------------------------------------- Total ractor count: 1 Ruby thread count for this ractor: 1 -- C level backtrace information ------------------------------------------- /lib/x86_64-linux-gnu/libasan.so.5(__interceptor_backtrace+0x40) [0x7f13b793bd40] ../../../../src/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:4022 /home/ruby/build/ruby(rb_print_backtrace+0x11) [0x558d33041da9] ../vm_dump.c:843 /home/ruby/build/ruby(rb_vm_bugreport) ../vm_dump.c:1175 /home/ruby/build/ruby(rb_bug_without_die_internal+0xc5) [0x558d32704b21] ../error.c:1097 /home/ruby/build/ruby(rb_bug) ../error.c:1115 /home/ruby/build/ruby(pm_compile_for_node_index+0x117) [0x558d32ee742c] ../prism_compile.c:5340 /home/ruby/build/ruby(pm_compile_scope_node) ../prism_compile.c:6911 /home/ruby/build/ruby(pm_compile_node+0x1b50) [0x558d32e88490] ../prism_compile.c:10201 /home/ruby/build/ruby(pm_iseq_compile_node+0x437) [0x558d32eea437] ../prism_compile.c:10512 /home/ruby/build/ruby(pm_iseq_new_with_opt_try+0x3e) [0x558d32824c5e] ../iseq.c:1050 /home/ruby/build/ruby(rb_protect+0x30f) [0x558d327183ff] ../eval.c:1059 /home/ruby/build/ruby(pm_iseq_new_with_opt+0x482) [0x558d32832c12] ../iseq.c:1103 /home/ruby/build/ruby(pm_new_child_iseq+0x19a) [0x558d32dbdc7a] ../prism_compile.c:1261 /home/ruby/build/ruby(pm_compile_node+0x15296) [0x558d32e9bbd6] ../prism_compile.c:9199 /home/ruby/build/ruby(pm_compile_node+0x529d) [0x558d32e8bbdd] ../prism_compile.c:10330 /home/ruby/build/ruby(pm_compile_scope_node+0x3f42) [0x558d32ee3382] ../prism_compile.c:7012 /home/ruby/build/ruby(pm_compile_node+0x1b50) [0x558d32e88490] ../prism_compile.c:10201 /home/ruby/build/ruby(APPEND_LIST+0x0) [0x558d32eea2a4] ../prism_compile.c:10502 /home/ruby/build/ruby(pm_iseq_compile_node) ../prism_compile.c:10506 /home/ruby/build/ruby(pm_iseq_new_with_opt_try+0x3e) [0x558d32824c5e] ../iseq.c:1050 /home/ruby/build/ruby(rb_protect+0x30f) [0x558d327183ff] ../eval.c:1059 /home/ruby/build/ruby(pm_iseq_new_with_opt+0x482) [0x558d32832c12] ../iseq.c:1103 /home/ruby/build/ruby(pm_iseq_new_main+0xbc) [0x558d328332ac] ../iseq.c:951 /home/ruby/build/ruby(process_options+0x2d32) [0x558d329d2b12] ../ruby.c:2641 /home/ruby/build/ruby(ruby_process_options+0x3f0) [0x558d329d5290] ../ruby.c:3199 /home/ruby/build/ruby(ruby_options+0x2a7) [0x558d32715407] ../eval.c:117 /home/ruby/build/ruby(rb_main+0x19) [0x558d327067ff] ../main.c:42 /home/ruby/build/ruby(main) ../main.c:62 /lib/x86_64-linux-gnu/libc.so.6(__libc_start_main+0xf3) [0x7f13b7487083] /home/ruby/build/ruby(_start) [0x558d32707dce] -- Other runtime information ----------------------------------------------- * Loaded script: bug-1.rb * Loaded features: 0 enumerator.so 1 thread.rb 2 fiber.so 3 rational.so 4 complex.so 5 ruby2_keywords.rb 6 set.rb Aborted ``` ### Environment Ruby version: `ruby 3.5.0dev (2025-06-11 commit 970813d982) +PRISM` Platform: `x86_64-linux` Built from source using latest master Parser backend: `Prism (default)` -- https://bugs.ruby-lang.org/

4 3

[ruby-core:122409] [Ruby Bug#21395] Please backport 8d49c05c134702c321198b70fbbf34dd80cc1ba6
by mame (Yusuke Endoh) 14 Jul '25

14 Jul '25

Issue #21395 has been reported by mame (Yusuke Endoh). ---------------------------------------- Bug #21395: Please backport 8d49c05c134702c321198b70fbbf34dd80cc1ba6 https://bugs.ruby-lang.org/issues/21395 * Author: mame (Yusuke Endoh) * Status: Closed * Backport: 3.2: DONTNEED, 3.3: DONTNEED, 3.4: REQUIRED ---------------------------------------- In Ruby 3.4, debug.gem raises an exception when stepping into a rescue clause: https://github.com/ruby/debug/pull/1142 I discussed with @ko1, and we decided to resolve this by modifying `rb_debug_inspector_backtrace_locations` to return a raw array of `Thread::Backtrace::Location`. This ticket is to request backporting commit:8d49c05c134702c321198b70fbbf34dd80cc1ba6, which implements that change, into Ruby 3.4. --- As a record, here is a more detailed explanation of the issue: Starting from Ruby 3.4, rescue and ensure frames have been excluded from backtraces (see #20275). This change broke the assumption of the debug inspector API. The debug inspector API is designed to be used as follows: 1. Obtain an array of `Thread::Backtrace::Location` using `rb_debug_inspector_backtrace_locations` 2. For each index in that array, obtain more detailed information using functions like `rb_debug_inspector_frame_binding_get(index)` Due to the changes in #20275, rescue/ensure frames were removed from the array returned by `rb_debug_inspector_backtrace_locations`. As a result, the indices in this array became inconsistent with the indices expected by `rb_debug_inspector_frame_binding_get(index)` and similar functions. There are two possible directions for fixing this: 1. Modify `rb_debug_inspector_backtrace_locations` to return the raw backtrace without removing rescue/ensure frames. 2. Modify `rb_debug_inspector_frame_binding_get(index)` to take into account the removal of rescue/ensure frames and return the corresponding data accordingly. @ko1 is interested in trying (2) in the future, but for now, commit 8d49c05c134702c321198b70fbbf34dd80cc1ba6 implements the simpler fix, (1). -- https://bugs.ruby-lang.org/

3 2

[ruby-core:120833] [Ruby master Bug#21099] TestGc#test_gc_stress_at_startup assertion failure
by sanjioh (Fabio Sangiovanni) 14 Jul '25

14 Jul '25

Issue #21099 has been reported by sanjioh (Fabio Sangiovanni). ---------------------------------------- Bug #21099: TestGc#test_gc_stress_at_startup assertion failure https://bugs.ruby-lang.org/issues/21099 * Author: sanjioh (Fabio Sangiovanni) * Status: Open * ruby -v: ruby 3.5.0dev (2025-01-29T15:16:47Z master d3bb42776c) +PRISM [x86_64-darwin24] * Backport: 3.1: UNKNOWN, 3.2: UNKNOWN, 3.3: UNKNOWN, 3.4: UNKNOWN ---------------------------------------- Hi all, I'm running macOS 15.2, and on my machine the test `TestGc#test_gc_stress_at_startup` results in an assertion failure. These are my current configure flags: ``` ../configure \ --prefix="$SOURCEDIR/ruby_3.4.1" \ --enable-debug-env \ --enable-devel \ cppflags="-DRUBY_DEBUG" \ optflags="-O0 -fno-omit-frame-pointer" ``` make command line for running tests (invoked from the build directory): ``` make test-all TESTS="../test/ruby/test_gc.rb --name=TestGc#test_gc_stress_at_startup" ``` output: ``` Run options: --seed=7555 "--ruby=./miniruby -I../lib -I. -I.ext/common ../tool/runruby.rb --extout=.ext -- --disable-gems" --excludes-dir=../test/.excludes --name=!/memory_leak/ --name=TestGc#test_gc_stress_at_startup # Running tests: [1/1] TestGc#test_gc_stress_at_startup = 3.18 s 1) Failure: TestGc#test_gc_stress_at_startup [/Users/fabio/ruby_xcode/ruby/test/ruby/test_gc.rb:776]: [Bug #15784] pid 16632 killed by SIGABRT (signal 6) | ../gc/default/default.c:1714: Assertion Failed: heap_add_poolpage:page->freelist != NULL | ruby 3.5.0dev (2025-01-29T15:16:47Z master d3bb42776c) [x86_64-darwin24] | | -- Crash Report log information -------------------------------------------- | See Crash Report log file in one of the following locations: | * ~/Library/Logs/DiagnosticReports | * /Library/Logs/DiagnosticReports | for more details. | Don't forget to include the above Crash Report log file in bug reports. | | -- Control frame information ----------------------------------------------- | c:0001 p:---- s:0003 e:000002 DUMMY [FINISH] | | | -- Threading information --------------------------------------------------- | Total ractor count: 0 | Ruby thread count for this ractor: 0 | | -- C level backtrace information ------------------------------------------- | /Users/fabio/ruby_xcode/ruby/build/ruby(rb_print_backtrace+0x1d) [0x10515014d] /Users/fabio/ruby_xcode/ruby/build/../vm_dump.c:823 | /Users/fabio/ruby_xcode/ruby/build/ruby(rb_print_backtrace) (null):0 | /Users/fabio/ruby_xcode/ruby/build/ruby(rb_vm_bugreport+0x2c1) [0x105150431] /Users/fabio/ruby_xcode/ruby/build/../vm_dump.c:1155 | /Users/fabio/ruby_xcode/ruby/build/ruby(rb_assert_failure_detail+0x156) [0x104e41056] /Users/fabio/ruby_xcode/ruby/build/../error.c:1215 | /Users/fabio/ruby_xcode/ruby/build/ruby(rb_assert_failure_detail+0x0) [0x104e40f00] /Users/fabio/ruby_xcode/ruby/build/../error.c:1191 | /Users/fabio/ruby_xcode/ruby/build/ruby(rb_assert_failure) (null):0 | /Users/fabio/ruby_xcode/ruby/build/ruby(heap_add_poolpage+0xa9) [0x104e84ea9] ../gc/default/default.c:1714 | /Users/fabio/ruby_xcode/ruby/build/ruby(gc_sweep_step+0x204) [0x104e80224] ../gc/default/default.c:3941 | /Users/fabio/ruby_xcode/ruby/build/ruby(gc_sweep_rest+0x53) [0x104e7fff3] ../gc/default/default.c:3979 | /Users/fabio/ruby_xcode/ruby/build/ruby(gc_sweep+0x98) [0x104e7c418] ../gc/default/default.c:4151 | /Users/fabio/ruby_xcode/ruby/build/ruby(gc_start+0x5f9) [0x104e86159] ../gc/default/default.c:6472 | /Users/fabio/ruby_xcode/ruby/build/ruby(garbage_collect+0x2c) [0x104e87bbc] ../gc/default/default.c:6351 | /Users/fabio/ruby_xcode/ruby/build/ruby(garbage_collect_with_gvl+0xb4) [0x104e8dbc4] ../gc/default/default.c:6753 | /Users/fabio/ruby_xcode/ruby/build/ruby(objspace_malloc_gc_stress+0x8f) [0x104e8daff] ../gc/default/default.c:7996 | /Users/fabio/ruby_xcode/ruby/build/ruby(rb_gc_impl_malloc+0x49) [0x104e8d8f9] ../gc/default/default.c:8207 | /Users/fabio/ruby_xcode/ruby/build/ruby(ruby_xmalloc2_body+0x32) [0x104e76a82] /Users/fabio/ruby_xcode/ruby/build/../gc.c:4699 | /Users/fabio/ruby_xcode/ruby/build/ruby(ruby_xmalloc2+0x1d) [0x104e76a3d] /Users/fabio/ruby_xcode/ruby/build/../gc.c:4693 | /Users/fabio/ruby_xcode/ruby/build/ruby(pin_array_list_new+0x6f) [0x10511ab3f] /Users/fabio/ruby_xcode/ruby/build/../vm.c:4389 | /Users/fabio/ruby_xcode/ruby/build/ruby(Init_vm_objects+0x1b) [0x10511aa6b] /Users/fabio/ruby_xcode/ruby/build/../vm.c:4446 | /Users/fabio/ruby_xcode/ruby/build/ruby(ruby_setup+0x46) [0x104e4f0e6] /Users/fabio/ruby_xcode/ruby/build/../eval.c:82 | /Users/fabio/ruby_xcode/ruby/build/ruby(ruby_init+0xd) [0x104e4f3fd] /Users/fabio/ruby_xcode/ruby/build/../eval.c:98 | /Users/fabio/ruby_xcode/ruby/build/ruby(rb_main+0x2b) [0x104d2e6bb] /Users/fabio/ruby_xcode/ruby/build/../main.c:39 | /Users/fabio/ruby_xcode/ruby/build/ruby(main+0x62) [0x104d2e662] /Users/fabio/ruby_xcode/ruby/build/../main.c:65 | | -- Other runtime information ----------------------------------------------- | | * Process memory map: | | 104d2d000-105308000 r-x /Users/fabio/ruby_xcode/ruby/build/ruby | 105308000-105315000 r-- /Users/fabio/ruby_xcode/ruby/build/ruby | 105315000-105317000 rw- /Users/fabio/ruby_xcode/ruby/build/ruby | 105317000-10532c000 rw- /Users/fabio/ruby_xcode/ruby/build/ruby | 10532c000-105500000 r-- /Users/fabio/ruby_xcode/ruby/build/ruby | 105500000-105502000 rw- /usr/local/Cellar/gmp/6.3.0/lib/libgmp.10.dylib | 105502000-105507000 r-- /usr/local/Cellar/gmp/6.3.0/lib/libgmp.10.dylib | 105507000-105508000 r-- /usr/local/Cellar/gmp/6.3.0/lib/libgmp.10.dylib | 105508000-10550c000 rw- /usr/local/Cellar/gmp/6.3.0/lib/libgmp.10.dylib | 10550c000-10550d000 --- /usr/local/Cellar/gmp/6.3.0/lib/libgmp.10.dylib | 10550d000-105516000 rw- /usr/local/Cellar/gmp/6.3.0/lib/libgmp.10.dylib | 105516000-105517000 --- /usr/local/Cellar/gmp/6.3.0/lib/libgmp.10.dylib | 105517000-105518000 --- /usr/local/Cellar/gmp/6.3.0/lib/libgmp.10.dylib | 105518000-105521000 rw- /usr/local/Cellar/gmp/6.3.0/lib/libgmp.10.dylib | 105521000-105522000 --- /usr/local/Cellar/gmp/6.3.0/lib/libgmp.10.dylib | 105522000-105523000 r-- /usr/local/Cellar/gmp/6.3.0/lib/libgmp.10.dylib | 105523000-105524000 r-- /usr/local/Cellar/gmp/6.3.0/lib/libgmp.10.dylib | 105524000-10552b000 rw- /usr/local/Cellar/gmp/6.3.0/lib/libgmp.10.dylib | 105530000-105540000 rw- /usr/local/Cellar/gmp/6.3.0/lib/libgmp.10.dylib | 105573000-1055d3000 r-x /usr/local/Cellar/gmp/6.3.0/lib/libgmp.10.dylib | 1055d3000-1055d7000 r-- /usr/local/Cellar/gmp/6.3.0/lib/libgmp.10.dylib | 1055d7000-1055db000 rw- /usr/local/Cellar/gmp/6.3.0/lib/libgmp.10.dylib | 1055db000-1055e7000 r-- /usr/local/Cellar/gmp/6.3.0/lib/libgmp.10.dylib | 1055e7000-105c3e000 r-- /Users/fabio/ruby_xcode/ruby/build/ruby.dSYM/Contents/Resources/DWARF/ruby | 105c3e000-106295000 r-- /Users/fabio/ruby_xcode/ruby/build/ruby.dSYM/Contents/Resources/DWARF/ruby | 600000000000-600020000000 rw- | 7f9643f00000-7f9644000000 rw- | 7f9644000000-7f9644800000 rw- | 7f9644800000-7f9644900000 rw- | 7f9644900000-7f9644901000 rw- | 7f9644a00000-7f9644b00000 rw- | 7ff7b71d3000-7ff7ba9d3000 --- | 7ff7ba9d3000-7ff7bb1d3000 rw- | 7ff800000000-7ff840000000 r-- | 7ff840000000-7ff844b02000 r-- | 7ff844b02000-7ff844b4a000 r-- | 7ff844b4a000-7ff844c00000 rw- | 7ff844c00000-7ff844e00000 rw- | 7ff844e00000-7ff845000000 rw- | 7ff845000000-7ff845200000 rw- | 7ff845200000-7ff845400000 rw- | 7ff845400000-7ff845600000 rw- | 7ff845600000-7ff880000000 r-- | 7ff880000000-7ffd40000000 r-- | 7ffd40000000-7ffd44400000 r-- | 7ffd44400000-7ffd44600000 rw- | 7ffd44600000-7ffd44800000 rw- | 7ffd44800000-7ffd80000000 r-- | 7ffd80000000-7ffffe000000 r-- | 7fffffe00000-7fffffe01000 r-- | 7ffffffad000-7ffffffae000 r-x | [IMPORTANT] | Don't forget to include the Crash Report log file under | DiagnosticReports directory in bug reports. | . 1. [2/3] Assertion for "stderr" | <[]> expected but was | <["../gc/default/default.c:1714: Assertion Failed: heap_add_poolpage:page->freelist != NULL", | "ruby 3.5.0dev (2025-01-29T15:16:47Z master d3bb42776c) [x86_64-darwin24]", | "", | "-- Crash Report log information --------------------------------------------", | " See Crash Report log file in one of the following locations:", | " * ~/Library/Logs/DiagnosticReports", | " * /Library/Logs/DiagnosticReports", | " for more details.", | "Don't forget to include the above Crash Report log file in bug reports.", | "", | "-- Control frame information -----------------------------------------------", | "c:0001 p:---- s:0003 e:000002 DUMMY [FINISH]", | "", | "", | "-- Threading information ---------------------------------------------------", | "Total ractor count: 0", | "Ruby thread count for this ractor: 0", | "", | "-- C level backtrace information -------------------------------------------", | "/Users/fabio/ruby_xcode/ruby/build/ruby(rb_print_backtrace+0x1d) [0x10515014d] /Users/fabio/ruby_xcode/ruby/build/../vm_dump.c:823", | "/Users/fabio/ruby_xcode/ruby/build/ruby(rb_print_backtrace) (null):0", | "/Users/fabio/ruby_xcode/ruby/build/ruby(rb_vm_bugreport+0x2c1) [0x105150431] /Users/fabio/ruby_xcode/ruby/build/../vm_dump.c:1155", | "/Users/fabio/ruby_xcode/ruby/build/ruby(rb_assert_failure_detail+0x156) [0x104e41056] /Users/fabio/ruby_xcode/ruby/build/../error.c:1215", | "/Users/fabio/ruby_xcode/ruby/build/ruby(rb_assert_failure_detail+0x0) [0x104e40f00] /Users/fabio/ruby_xcode/ruby/build/../error.c:1191", | "/Users/fabio/ruby_xcode/ruby/build/ruby(rb_assert_failure) (null):0", | "/Users/fabio/ruby_xcode/ruby/build/ruby(heap_add_poolpage+0xa9) [0x104e84ea9] ../gc/default/default.c:1714", | "/Users/fabio/ruby_xcode/ruby/build/ruby(gc_sweep_step+0x204) [0x104e80224] ../gc/default/default.c:3941", | "/Users/fabio/ruby_xcode/ruby/build/ruby(gc_sweep_rest+0x53) [0x104e7fff3] ../gc/default/default.c:3979", | "/Users/fabio/ruby_xcode/ruby/build/ruby(gc_sweep+0x98) [0x104e7c418] ../gc/default/default.c:4151", | "/Users/fabio/ruby_xcode/ruby/build/ruby(gc_start+0x5f9) [0x104e86159] ../gc/default/default.c:6472", | "/Users/fabio/ruby_xcode/ruby/build/ruby(garbage_collect+0x2c) [0x104e87bbc] ../gc/default/default.c:6351", | "/Users/fabio/ruby_xcode/ruby/build/ruby(garbage_collect_with_gvl+0xb4) [0x104e8dbc4] ../gc/default/default.c:6753", | "/Users/fabio/ruby_xcode/ruby/build/ruby(objspace_malloc_gc_stress+0x8f) [0x104e8daff] ../gc/default/default.c:7996", | "/Users/fabio/ruby_xcode/ruby/build/ruby(rb_gc_impl_malloc+0x49) [0x104e8d8f9] ../gc/default/default.c:8207", | "/Users/fabio/ruby_xcode/ruby/build/ruby(ruby_xmalloc2_body+0x32) [0x104e76a82] /Users/fabio/ruby_xcode/ruby/build/../gc.c:4699", | "/Users/fabio/ruby_xcode/ruby/build/ruby(ruby_xmalloc2+0x1d) [0x104e76a3d] /Users/fabio/ruby_xcode/ruby/build/../gc.c:4693", | "/Users/fabio/ruby_xcode/ruby/build/ruby(pin_array_list_new+0x6f) [0x10511ab3f] /Users/fabio/ruby_xcode/ruby/build/../vm.c:4389", | "/Users/fabio/ruby_xcode/ruby/build/ruby(Init_vm_objects+0x1b) [0x10511aa6b] /Users/fabio/ruby_xcode/ruby/build/../vm.c:4446", | "/Users/fabio/ruby_xcode/ruby/build/ruby(ruby_setup+0x46) [0x104e4f0e6] /Users/fabio/ruby_xcode/ruby/build/../eval.c:82", | "/Users/fabio/ruby_xcode/ruby/build/ruby(ruby_init+0xd) [0x104e4f3fd] /Users/fabio/ruby_xcode/ruby/build/../eval.c:98", | "/Users/fabio/ruby_xcode/ruby/build/ruby(rb_main+0x2b) [0x104d2e6bb] /Users/fabio/ruby_xcode/ruby/build/../main.c:39", | "/Users/fabio/ruby_xcode/ruby/build/ruby(main+0x62) [0x104d2e662] /Users/fabio/ruby_xcode/ruby/build/../main.c:65", | "", | "-- Other runtime information -----------------------------------------------", | "", | "* Process memory map:", | "", | "104d2d000-105308000 r-x /Users/fabio/ruby_xcode/ruby/build/ruby", | "105308000-105315000 r-- /Users/fabio/ruby_xcode/ruby/build/ruby", | "105315000-105317000 rw- /Users/fabio/ruby_xcode/ruby/build/ruby", | "105317000-10532c000 rw- /Users/fabio/ruby_xcode/ruby/build/ruby", | "10532c000-105500000 r-- /Users/fabio/ruby_xcode/ruby/build/ruby", | "105500000-105502000 rw- /usr/local/Cellar/gmp/6.3.0/lib/libgmp.10.dylib", | "105502000-105507000 r-- /usr/local/Cellar/gmp/6.3.0/lib/libgmp.10.dylib", | "105507000-105508000 r-- /usr/local/Cellar/gmp/6.3.0/lib/libgmp.10.dylib", | "105508000-10550c000 rw- /usr/local/Cellar/gmp/6.3.0/lib/libgmp.10.dylib", | "10550c000-10550d000 --- /usr/local/Cellar/gmp/6.3.0/lib/libgmp.10.dylib", | "10550d000-105516000 rw- /usr/local/Cellar/gmp/6.3.0/lib/libgmp.10.dylib", | "105516000-105517000 --- /usr/local/Cellar/gmp/6.3.0/lib/libgmp.10.dylib", | "105517000-105518000 --- /usr/local/Cellar/gmp/6.3.0/lib/libgmp.10.dylib", | "105518000-105521000 rw- /usr/local/Cellar/gmp/6.3.0/lib/libgmp.10.dylib", | "105521000-105522000 --- /usr/local/Cellar/gmp/6.3.0/lib/libgmp.10.dylib", | "105522000-105523000 r-- /usr/local/Cellar/gmp/6.3.0/lib/libgmp.10.dylib", | "105523000-105524000 r-- /usr/local/Cellar/gmp/6.3.0/lib/libgmp.10.dylib", | "105524000-10552b000 rw- /usr/local/Cellar/gmp/6.3.0/lib/libgmp.10.dylib", | "105530000-105540000 rw- /usr/local/Cellar/gmp/6.3.0/lib/libgmp.10.dylib", | "105573000-1055d3000 r-x /usr/local/Cellar/gmp/6.3.0/lib/libgmp.10.dylib", | "1055d3000-1055d7000 r-- /usr/local/Cellar/gmp/6.3.0/lib/libgmp.10.dylib", | "1055d7000-1055db000 rw- /usr/local/Cellar/gmp/6.3.0/lib/libgmp.10.dylib", | "1055db000-1055e7000 r-- /usr/local/Cellar/gmp/6.3.0/lib/libgmp.10.dylib", | "1055e7000-105c3e000 r-- /Users/fabio/ruby_xcode/ruby/build/ruby.dSYM/Contents/Resources/DWARF/ruby", | "105c3e000-106295000 r-- /Users/fabio/ruby_xcode/ruby/build/ruby.dSYM/Contents/Resources/DWARF/ruby", | "600000000000-600020000000 rw-", | "7f9643f00000-7f9644000000 rw-", | "7f9644000000-7f9644800000 rw-", | "7f9644800000-7f9644900000 rw-", | "7f9644900000-7f9644901000 rw-", | "7f9644a00000-7f9644b00000 rw-", | "7ff7b71d3000-7ff7ba9d3000 ---", | "7ff7ba9d3000-7ff7bb1d3000 rw-", | "7ff800000000-7ff840000000 r--", | "7ff840000000-7ff844b02000 r--", | "7ff844b02000-7ff844b4a000 r--", | "7ff844b4a000-7ff844c00000 rw-", | "7ff844c00000-7ff844e00000 rw-", | "7ff844e00000-7ff845000000 rw-", | "7ff845000000-7ff845200000 rw-", | "7ff845200000-7ff845400000 rw-", | "7ff845400000-7ff845600000 rw-", | "7ff845600000-7ff880000000 r--", | "7ff880000000-7ffd40000000 r--", | "7ffd40000000-7ffd44400000 r--", | "7ffd44400000-7ffd44600000 rw-", | "7ffd44600000-7ffd44800000 rw-", | "7ffd44800000-7ffd80000000 r--", | "7ffd80000000-7ffffe000000 r--", | "7fffffe00000-7fffffe01000 r--", | "7ffffffad000-7ffffffae000 r-x", | "[IMPORTANT]", | "Don't forget to include the Crash Report log file under", | "DiagnosticReports directory in bug reports.", | ""]>. 2. [3/3] Assertion for "success?" | Expected #<Process::Status: pid 16632 SIGABRT (signal 6)> to be success?. Finished tests in 3.208725s, 0.3117 tests/s, 1.8699 assertions/s. 1 tests, 6 assertions, 1 failures, 0 errors, 0 skips ruby -v: ruby 3.5.0dev (2025-01-29T15:16:47Z master d3bb42776c) +PRISM [x86_64-darwin24] make: *** [uncommon.mk:965: yes-test-all] Error 1 ``` -- https://bugs.ruby-lang.org/

3 3

[ruby-core:122382] [Ruby Bug#21394] Memory leak in Prism's RubyVM::InstructionSequence.new
by peterzhu2118 (Peter Zhu) 14 Jul '25

14 Jul '25

Issue #21394 has been reported by peterzhu2118 (Peter Zhu). ---------------------------------------- Bug #21394: Memory leak in Prism's RubyVM::InstructionSequence.new https://bugs.ruby-lang.org/issues/21394 * Author: peterzhu2118 (Peter Zhu) * Status: Open * Backport: 3.2: DONTNEED, 3.3: DONTNEED, 3.4: REQUIRED ---------------------------------------- Fix: https://github.com/ruby/ruby/pull/13496 There are two ways to make RubyVM::InstructionSequence.new raise which would cause the options->scopes to leak memory: 1. Passing in any (non T_FILE) object where the to_str raises. 2. Passing in a T_FILE object where String#initialize_dup raises. This is because rb_io_path dups the string. Example 1: ```ruby 10.times do 100_000.times do RubyVM::InstructionSequence.new(nil) rescue TypeError end puts `ps -o rss= -p #{$$}` end ``` Before: ``` 13392 17104 20256 23920 27264 30432 33584 36752 40032 43232 ``` After: ``` 9392 11072 11648 11648 11648 11712 11712 11712 11744 11744 ``` Example 2: ```ruby require "tempfile" MyError = Class.new(StandardError) String.prepend(Module.new do def initialize_dup(_) if $raise_on_dup raise MyError else super end end end) Tempfile.create do |f| 10.times do 100_000.times do $raise_on_dup = true RubyVM::InstructionSequence.new(f) rescue MyError else raise "MyError was not raised during RubyVM::InstructionSequence.new" end puts `ps -o rss= -p #{$$}` ensure $raise_on_dup = false end end ``` Before: ``` 14080 18512 22000 25184 28320 31600 34736 37904 41088 44256 ``` After: ``` 12016 12464 12880 12880 12880 12912 12912 12912 12912 12912 ``` -- https://bugs.ruby-lang.org/

2 1

[ruby-core:122336] [Ruby Bug#21383] Prism leaks memory with invalid yield
by peterzhu2118 (Peter Zhu) 14 Jul '25

14 Jul '25

Issue #21383 has been reported by peterzhu2118 (Peter Zhu). ---------------------------------------- Bug #21383: Prism leaks memory with invalid yield https://bugs.ruby-lang.org/issues/21383 * Author: peterzhu2118 (Peter Zhu) * Status: Open * Backport: 3.2: DONTNEED, 3.3: DONTNEED, 3.4: REQUIRED ---------------------------------------- Fix: https://github.com/ruby/ruby/pull/13464 The following script leaks memory: ```ruby 10.times do 20_000.times do eval("class C; yield; end") rescue SyntaxError end puts `ps -o rss= -p #{$$}` end ``` Before: ``` 16464 25536 29424 35904 39552 44576 46736 51600 56096 59824 ``` After: ``` 13488 16160 18240 20528 19760 21808 21680 22272 22064 22336 ``` -- https://bugs.ruby-lang.org/

2 1

[ruby-core:122218] [Ruby Bug#21357] Crash in Hash#merge! with ruby-dev in rubocop-rspec test suite
by Earlopain (Earlopain _) 14 Jul '25

14 Jul '25

Issue #21357 has been reported by Earlopain (Earlopain _). ---------------------------------------- Bug #21357: Crash in Hash#merge! with ruby-dev in rubocop-rspec test suite https://bugs.ruby-lang.org/issues/21357 * Author: Earlopain (Earlopain _) * Status: Open * ruby -v: ruby 3.5.0dev (2025-05-20T09:22:41Z master a82e7132df) +PRISM [x86_64-linux] * Backport: 3.2: UNKNOWN, 3.3: UNKNOWN, 3.4: UNKNOWN ---------------------------------------- I've encountered crahses on ruby-head in recent days, related to hash methods like `merge` and `merge!`. I can now reproduce it locally while running the rubocop-rspec test suite: * Clone https://github.com/rubocop/rubocop-rspec * Run `NO_COVERAGE=1 bundle exec rake spec` I attached the crash report. I want to reduce this down but have no idea how. The crash is very consistent for me though, it doesn't take very long for it to happen (only a few seconds usually). There were changes to these methods like https://bugs.ruby-lang.org/issues/21305, maybe related. ---Files-------------------------------- test.log (224 KB) -- https://bugs.ruby-lang.org/

4 6

[ruby-core:122596] Cooperation Offer.
by ruby-core＠ruby-lang.org 14 Jul '25

14 Jul '25

Hello! As you can see, this is not a formal email, and unfortunately, it does not mean anything good for you. BUT do not despair, it is not critical. I am going to explain to you everything right now. I have access to your electronic devices, which are the part of the local network you regularly use. I have been tracking your activity for the last few months. How did that happen? You visited some hacked websites with Exploit, and your device was exposed to my malicious software (I bought it in Darknet from specialists in this field). This is a very complex software, operating as Trojan Horse. It updates regularly, and your antivirus can not detect it. The program has a keylogger; it can turn your camera and microphone on and off, send files and provide access to your local network. It took me some time to get access to the information from other devices, and as of now, I have all your contacts with conversations, info about your locations, what you like, your favourite websites, etc. Honestly, I meant nothing bad at first and did that just for fun. This is my hobby. But I got HIV and unfortunately lost my job. And I figured out how to use "my hobby" to get money from you! I recorded a video of you masturbating. This video has a separated screen, where you can be easily recognised; also, it can be clearly seen what sort of video you prefer. Well, I am not proud of this, but I need money to survive. Let's make a deal. You pay me as much as I ask you to, and I won't send this video to your friends, family, and other acquaintances. You should understand, this is not a joke. I can send it by email, through SMS-link, social media, even post it in mass media (I have got some hacked accounts of their admins). So you can become Twitter or Instagram "Star"! To avoid this, you should send me 1,290 USD in Bitcoins on my BTC wallet:124mgnHaGQDnrgTBQ6aAJvehdepafvsVFg If you don't know how to use Bitcoins, search it in Bing or Google <<how can I purchase Bitcoins>> or other stuff like that. I will delete the video as soon as I receive the money. I will also delete the malicious software from your device, and you will never hear from me again. I'll give you 2 days, that's more than enough, I think. Time tracking will start as soon as you open this email, I am monitoring this! And one last thing: It makes no sense to report about this to the police since I am using TOR, so there is no way to track Bitcoin transactions. Don't respond to me (I generated this letter in your account and put the real address of the man who has no idea about this). In such a way, I make it impossible to track me. If you ever do something stupid or against my expectations, I will immediately share this video. Good luck!

2 1

[ruby-core:122054] [Ruby Bug#21333] heap-use-after-free caused by rehash during update
by cyruscyliu (Qiang Liu) 14 Jul '25

14 Jul '25

Issue #21333 has been reported by cyruscyliu (Qiang Liu). ---------------------------------------- Bug #21333: heap-use-after-free caused by rehash during update https://bugs.ruby-lang.org/issues/21333 * Author: cyruscyliu (Qiang Liu) * Status: Open * ruby -v: ruby 3.5.0dev (2025-05-13T08:35:34Z master a6435befa7) +PRISM [x86_64-linux] * Backport: 3.2: UNKNOWN, 3.3: UNKNOWN, 3.4: UNKNOWN ---------------------------------------- Hi, we found a heap-use-after-free caused by rehash during update ``` $a = (1..1337).to_h { |k| [k, k] } $a.update($b) { |k, o, n| $a.rehash } ``` ``` $ git log | head -n4 commit a6435befa76c2ae0525147f934bd9cd1914ffb8a Author: Jean Boussier <jean.boussier(a)gmail.com> Date: Mon May 12 11:02:17 2025 +0200 $ ./ruby triaged/hash_update.rb `RubyGems' were not loaded. `error_highlight' was not loaded. `did_you_mean' was not loaded. `syntax_suggest' was not loaded. ================================================================= ==227694==ERROR: AddressSanitizer: heap-use-after-free on address 0x52f00000e410 at pc 0x64f4179fa0d5 bp 0x7ffec17cce10 sp 0x7ffec17cce08 WRITE of size 8 at 0x52f00000e410 thread T0 #0 0x64f4179fa0d4 in rb_st_update /media/test/ruby/build/../st.c:1508:23 #1 0x64f417814018 in rb_hash_stlike_update /media/test/ruby/build/../hash.c:1686:12 #2 0x64f417814018 in tbl_update /media/test/ruby/build/../hash.c:1727:15 #3 0x64f417823d09 in rb_hash_update_block_i /media/test/ruby/build/../hash.c:4162:5 #4 0x64f417810576 in hash_ar_foreach_iter /media/test/ruby/build/../hash.c:1302:18 #5 0x64f417810576 in ar_foreach_check /media/test/ruby/build/../hash.c:944:22 #6 0x64f417810576 in hash_foreach_call /media/test/ruby/build/../hash.c:1435:15 #7 0x64f4177a45c6 in rb_ensure /media/test/ruby/build/../eval.c:1074:18 #8 0x64f417810329 in rb_hash_foreach /media/test/ruby/build/../hash.c:1463:9 #9 0x64f41781b88f in rb_hash_update /media/test/ruby/build/../hash.c:4219:13 #10 0x64f417b409db in vm_call_cfunc_with_frame_ /media/test/ruby/build/../vm_insnhelper.c:3798:11 #11 0x64f417b2904a in vm_call_method_each_type /media/test/ruby/build/../vm_insnhelper.c:4776:16 #12 0x64f417b28b13 in vm_call_method /media/test/ruby/build/../vm_insnhelper.c #13 0x64f417af0539 in vm_sendish /media/test/ruby/build/../vm_insnhelper.c:5995:15 #14 0x64f417af0539 in vm_exec_core /media/test/ruby/build/../insns.def:851:11 #15 0x64f417ae5cd7 in rb_vm_exec /media/test/ruby/build/../vm.c #16 0x64f4177a1bf0 in rb_ec_exec_node /media/test/ruby/build/../eval.c:281:9 #17 0x64f4177a1bf0 in ruby_run_node /media/test/ruby/build/../eval.c:319:30 #18 0x64f41779d2b0 in rb_main /media/test/ruby/build/../main.c:42:12 #19 0x64f41779d2b0 in main /media/test/ruby/build/../main.c:62:12 #20 0x72d96ba2a1c9 in __libc_start_call_main csu/../sysdeps/nptl/libc_start_call_main.h:58:16 #21 0x72d96ba2a28a in __libc_start_main csu/../csu/libc-start.c:360:3 #22 0x64f4176c3d94 in _start (/media/test/ruby/build/ruby+0x14bd94) (BuildId: 5c3c6444d00499cf0254892dbef6454db4a9698a) 0x52f00000e410 is located 16 bytes inside of 49152-byte region [0x52f00000e400,0x52f00001a400) freed by thread T0 here: #0 0x64f41775e94a in free (/media/test/ruby/build/ruby+0x1e694a) (BuildId: 5c3c6444d00499cf0254892dbef6454db4a9698a) #1 0x64f4177c944b in rb_gc_impl_free /media/test/ruby/build/../gc/default/default.c:8099:9 #2 0x64f4177c944b in ruby_sized_xfree /media/test/ruby/build/../gc.c:5225:13 #3 0x64f4177c944b in ruby_xfree /media/test/ruby/build/../gc.c:5236:5 #4 0x64f417811e09 in hash_st_free /media/test/ruby/build/../hash.c:1218:5 #5 0x64f417811e09 in rb_hash_rehash /media/test/ruby/build/../hash.c:2026:9 #6 0x64f417b409db in vm_call_cfunc_with_frame_ /media/test/ruby/build/../vm_insnhelper.c:3798:11 #7 0x64f417b2904a in vm_call_method_each_type /media/test/ruby/build/../vm_insnhelper.c:4776:16 #8 0x64f417b28b13 in vm_call_method /media/test/ruby/build/../vm_insnhelper.c #9 0x64f417aed6f3 in vm_sendish /media/test/ruby/build/../vm_insnhelper.c:5995:15 #10 0x64f417aed6f3 in vm_exec_core /media/test/ruby/build/../insns.def:899:11 #11 0x64f417ae5cd7 in rb_vm_exec /media/test/ruby/build/../vm.c #12 0x64f417b5bdcc in invoke_iseq_block_from_c /media/test/ruby/build/../vm.c:1653:12 #13 0x64f417b5bdcc in invoke_block_from_c_bh /media/test/ruby/build/../vm.c:1667:20 #14 0x64f417b0e2a7 in vm_yield_with_cref /media/test/ruby/build/../vm.c:1704:12 #15 0x64f417b0e2a7 in vm_yield /media/test/ruby/build/../vm.c:1712:12 #16 0x64f417b0e2a7 in rb_yield_0 /media/test/ruby/build/../vm_eval.c:1361:12 #17 0x64f417b0e2a7 in rb_yield_values /media/test/ruby/build/../vm_eval.c:1400:16 #18 0x64f417823db5 in rb_hash_update_block_callback /media/test/ruby/build/../hash.c:4148:31 #19 0x64f417823d48 in rb_hash_update_block_callback_insert /media/test/ruby/build/../hash.c:4157:1 #20 0x64f4178225c7 in tbl_update_modify /media/test/ruby/build/../hash.c:1696:15 #21 0x64f4179f9bea in rb_st_update /media/test/ruby/build/../st.c:1498:14 #22 0x64f417814018 in rb_hash_stlike_update /media/test/ruby/build/../hash.c:1686:12 #23 0x64f417814018 in tbl_update /media/test/ruby/build/../hash.c:1727:15 #24 0x64f417823d09 in rb_hash_update_block_i /media/test/ruby/build/../hash.c:4162:5 #25 0x64f417810576 in hash_ar_foreach_iter /media/test/ruby/build/../hash.c:1302:18 #26 0x64f417810576 in ar_foreach_check /media/test/ruby/build/../hash.c:944:22 #27 0x64f417810576 in hash_foreach_call /media/test/ruby/build/../hash.c:1435:15 #28 0x64f4177a45c6 in rb_ensure /media/test/ruby/build/../eval.c:1074:18 #29 0x64f417810329 in rb_hash_foreach /media/test/ruby/build/../hash.c:1463:9 #30 0x64f41781b88f in rb_hash_update /media/test/ruby/build/../hash.c:4219:13 #31 0x64f417b409db in vm_call_cfunc_with_frame_ /media/test/ruby/build/../vm_insnhelper.c:3798:11 #32 0x64f417b2904a in vm_call_method_each_type /media/test/ruby/build/../vm_insnhelper.c:4776:16 #33 0x64f417b28b13 in vm_call_method /media/test/ruby/build/../vm_insnhelper.c #34 0x64f417af0539 in vm_sendish /media/test/ruby/build/../vm_insnhelper.c:5995:15 #35 0x64f417af0539 in vm_exec_core /media/test/ruby/build/../insns.def:851:11 #36 0x64f417ae5cd7 in rb_vm_exec /media/test/ruby/build/../vm.c #37 0x64f4177a1bf0 in rb_ec_exec_node /media/test/ruby/build/../eval.c:281:9 #38 0x64f4177a1bf0 in ruby_run_node /media/test/ruby/build/../eval.c:319:30 #39 0x64f41779d2b0 in rb_main /media/test/ruby/build/../main.c:42:12 #40 0x64f41779d2b0 in main /media/test/ruby/build/../main.c:62:12 #41 0x72d96ba2a1c9 in __libc_start_call_main csu/../sysdeps/nptl/libc_start_call_main.h:58:16 #42 0x72d96ba2a28a in __libc_start_main csu/../csu/libc-start.c:360:3 #43 0x64f4176c3d94 in _start (/media/test/ruby/build/ruby+0x14bd94) (BuildId: 5c3c6444d00499cf0254892dbef6454db4a9698a) previously allocated by thread T0 here: #0 0x64f41775ebe3 in malloc (/media/test/ruby/build/ruby+0x1e6be3) (BuildId: 5c3c6444d00499cf0254892dbef6454db4a9698a) #1 0x64f417805df5 in rb_gc_impl_malloc /media/test/ruby/build/../gc/default/default.c:8114:5 #2 0x64f4177d49f2 in ruby_xmalloc_body /media/test/ruby/build/../gc.c:5116:12 #3 0x64f4177d49f2 in ruby_xmalloc /media/test/ruby/build/../gc.c:5106:34 #4 0x64f4179f44a1 in rb_st_init_existing_table_with_size /media/test/ruby/build/../st.c:559:39 #5 0x64f4179f65b0 in rb_st_init_table_with_size /media/test/ruby/build/../st.c:585:5 #6 0x64f4179f65b0 in rebuild_table /media/test/ruby/build/../st.c:753:19 #7 0x64f4179f65b0 in rebuild_table_if_necessary /media/test/ruby/build/../st.c:1125:9 #8 0x64f4179f6f6b in st_add_direct_with_hash /media/test/ruby/build/../st.c:1187:5 #9 0x64f4179f9cf3 in rb_st_update /media/test/ruby/build/../st.c:1502:13 #10 0x64f417814018 in rb_hash_stlike_update /media/test/ruby/build/../hash.c:1686:12 #11 0x64f417814018 in tbl_update /media/test/ruby/build/../hash.c:1727:15 #12 0x64f417813e82 in rb_hash_aset /media/test/ruby/build/../hash.c #13 0x64f417814510 in rb_hash_set_pair /media/test/ruby/build/../hash.c:3715:5 #14 0x64f417ae1bf3 in vm_yield_with_cfunc /media/test/ruby/build/../vm_insnhelper.c:5161:11 #15 0x64f417b5b7f9 in invoke_block_from_c_bh /media/test/ruby/build/../vm.c:1672:16 #16 0x64f417b0dcca in vm_yield_with_cref /media/test/ruby/build/../vm.c:1704:12 #17 0x64f417b0dcca in vm_yield /media/test/ruby/build/../vm.c:1712:12 #18 0x64f417b0dcca in rb_yield_0 /media/test/ruby/build/../vm_eval.c:1361:12 #19 0x64f417b0dcca in rb_yield /media/test/ruby/build/../vm_eval.c #20 0x64f4179371c7 in range_each_fixnum_loop /media/test/ruby/build/../range.c:1059:9 #21 0x64f4179371c7 in range_each /media/test/ruby/build/../range.c:1096:16 #22 0x64f417b53fd5 in vm_call0_cfunc_with_frame /media/test/ruby/build/../vm_eval.c:164:15 #23 0x64f417b53fd5 in vm_call0_cfunc /media/test/ruby/build/../vm_eval.c:178:12 #24 0x64f417b53fd5 in vm_call0_body /media/test/ruby/build/../vm_eval.c:229:15 #25 0x64f417b57a0a in vm_call0_cc /media/test/ruby/build/../vm_eval.c:101:12 #26 0x64f417b57a0a in rb_call0 /media/test/ruby/build/../vm_eval.c:571:12 #27 0x64f417b0f5f5 in rb_call /media/test/ruby/build/../vm_eval.c:890:12 #28 0x64f417b0f5f5 in iterate_method /media/test/ruby/build/../vm_eval.c:1545:12 #29 0x64f417b0fbf5 in rb_iterate0 /media/test/ruby/build/../vm_eval.c:1487:18 #30 0x64f417b0f287 in rb_iterate_internal /media/test/ruby/build/../vm_eval.c:1519:12 #31 0x64f417b0f287 in rb_block_call_kw /media/test/ruby/build/../vm_eval.c:1568:12 #32 0x64f417b0f287 in rb_block_call /media/test/ruby/build/../vm_eval.c:1554:12 #33 0x64f417dad5e0 in enum_hashify_into /media/test/ruby/build/../enum.c:743:5 #34 0x64f417dad5e0 in enum_hashify /media/test/ruby/build/../enum.c:750:12 #35 0x64f417dad5e0 in enum_to_h /media/test/ruby/build/../enum.c:791:12 #36 0x64f417b409db in vm_call_cfunc_with_frame_ /media/test/ruby/build/../vm_insnhelper.c:3798:11 #37 0x64f417b2904a in vm_call_method_each_type /media/test/ruby/build/../vm_insnhelper.c:4776:16 #38 0x64f417b28b13 in vm_call_method /media/test/ruby/build/../vm_insnhelper.c #39 0x64f417af0539 in vm_sendish /media/test/ruby/build/../vm_insnhelper.c:5995:15 #40 0x64f417af0539 in vm_exec_core /media/test/ruby/build/../insns.def:851:11 #41 0x64f417ae5cd7 in rb_vm_exec /media/test/ruby/build/../vm.c #42 0x64f4177a1bf0 in rb_ec_exec_node /media/test/ruby/build/../eval.c:281:9 #43 0x64f4177a1bf0 in ruby_run_node /media/test/ruby/build/../eval.c:319:30 #44 0x64f41779d2b0 in rb_main /media/test/ruby/build/../main.c:42:12 #45 0x64f41779d2b0 in main /media/test/ruby/build/../main.c:62:12 #46 0x72d96ba2a1c9 in __libc_start_call_main csu/../sysdeps/nptl/libc_start_call_main.h:58:16 #47 0x72d96ba2a28a in __libc_start_main csu/../csu/libc-start.c:360:3 #48 0x64f4176c3d94 in _start (/media/test/ruby/build/ruby+0x14bd94) (BuildId: 5c3c6444d00499cf0254892dbef6454db4a9698a) SUMMARY: AddressSanitizer: heap-use-after-free /media/test/ruby/build/../st.c:1508:23 in rb_st_update Shadow bytes around the buggy address: 0x52f00000e180: fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa 0x52f00000e200: fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa 0x52f00000e280: fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa 0x52f00000e300: fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa 0x52f00000e380: fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa =>0x52f00000e400: fd fd[fd]fd fd fd fd fd fd fd fd fd fd fd fd fd 0x52f00000e480: fd fd fd fd fd fd fd fd fd fd fd fd fd fd fd fd 0x52f00000e500: fd fd fd fd fd fd fd fd fd fd fd fd fd fd fd fd 0x52f00000e580: fd fd fd fd fd fd fd fd fd fd fd fd fd fd fd fd 0x52f00000e600: fd fd fd fd fd fd fd fd fd fd fd fd fd fd fd fd 0x52f00000e680: fd fd fd fd fd fd fd fd fd fd fd fd fd fd fd fd 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 ==227694==ABORTING triaged/hash_update.rb:3: [BUG] ASAN error ruby 3.5.0dev (2025-05-13T08:35:34Z master a6435befa7) +PRISM [x86_64-linux] -- Control frame information ----------------------------------------------- c:0003 p:---- s:0011 e:000010 CFUNC :update c:0002 p:0029 s:0006 e:000005 EVAL triaged/hash_update.rb:3 [FINISH] c:0001 p:0000 s:0003 E:000be0 DUMMY [FINISH] -- Ruby level backtrace information ---------------------------------------- triaged/hash_update.rb:3:in '<main>' triaged/hash_update.rb:3:in 'update' -- Threading information --------------------------------------------------- Total ractor count: 1 Ruby thread count for this ractor: 1 -- C level backtrace information ------------------------------------------- ./ruby(___interceptor_backtrace) [0x64f4177086aa] /media/test/ruby/build/ruby(rb_print_backtrace+0x14) [0x64f417e7bc97] /media/test/ruby/build/../vm_dump.c:843 /media/test/ruby/build/ruby(rb_vm_bugreport) /media/test/ruby/build/../vm_dump.c:1175 /media/test/ruby/build/ruby(rb_bug_without_die_internal+0x23c) [0x64f417dd016c] /media/test/ruby/build/../error.c:1097 /media/test/ruby/build/ruby(rb_bug_without_die+0x127) [0x64f417dcfe87] /media/test/ruby/build/../error.c:1106 ./ruby(0x64f4177832aa) [0x64f4177832aa] ./ruby(0x64f417763a2f) [0x64f417763a2f] ./ruby(0x64f417766ab5) [0x64f417766ab5] ./ruby(__asan_report_store8) [0x64f417767bdf] /media/test/ruby/build/ruby(rb_st_update+0xcd5) [0x64f4179fa0d5] /media/test/ruby/build/../st.c:1508 /media/test/ruby/build/ruby(tbl_update+0x139) [0x64f417814019] /media/test/ruby/build/../hash.c:1686 /media/test/ruby/build/ruby(rb_hash_update_block_i+0x3a) [0x64f417823d0a] /media/test/ruby/build/../hash.c:4162 /media/test/ruby/build/ruby(hash_ar_foreach_iter+0x10) [0x64f417810577] /media/test/ruby/build/../hash.c:1302 /media/test/ruby/build/ruby(ar_foreach_check) /media/test/ruby/build/../hash.c:944 /media/test/ruby/build/ruby(hash_foreach_call) /media/test/ruby/build/../hash.c:1435 /media/test/ruby/build/ruby(rb_ensure+0x257) [0x64f4177a45c7] /media/test/ruby/build/../eval.c:1074 /media/test/ruby/build/ruby(rb_hash_foreach+0x23a) [0x64f41781032a] /media/test/ruby/build/../hash.c:1463 /media/test/ruby/build/ruby(rb_hash_update+0xe0) [0x64f41781b890] /media/test/ruby/build/../hash.c:4219 /media/test/ruby/build/ruby(vm_cfp_consistent_p+0x0) [0x64f417b409dc] ../vm_insnhelper.c:3798 /media/test/ruby/build/ruby(vm_call_cfunc_with_frame_) ../vm_insnhelper.c:3800 /media/test/ruby/build/ruby(vm_call_method_each_type+0x27b) [0x64f417b2904b] ../vm_insnhelper.c:4776 ./ruby(vm_call_method+0x2d4) [0x64f417b28b14] /media/test/ruby/build/ruby(vm_sendish+0x11f) [0x64f417af053a] ../vm_insnhelper.c:5995 /media/test/ruby/build/ruby(vm_exec_core) ../insns.def:851 ./ruby(vm_exec_loop+0x0) [0x64f417ae5cd8] /media/test/ruby/build/ruby(rb_vm_exec) /media/test/ruby/build/../vm.c:2626 /media/test/ruby/build/ruby(rb_ec_exec_node+0x53) [0x64f4177a1bf1] /media/test/ruby/build/../eval.c:281 /media/test/ruby/build/ruby(ruby_run_node) /media/test/ruby/build/../eval.c:319 /media/test/ruby/build/ruby(rb_main+0x29) [0x64f41779d2b1] /media/test/ruby/build/../main.c:42 /media/test/ruby/build/ruby(main) /media/test/ruby/build/../main.c:62 /lib/x86_64-linux-gnu/libc.so.6(__libc_start_call_main+0x7a) [0x72d96ba2a1ca] ../sysdeps/nptl/libc_start_call_main.h:58 /lib/x86_64-linux-gnu/libc.so.6(call_init+0x0) [0x72d96ba2a28b] ../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 ./ruby(_start) [0x64f4176c3d95] -- Other runtime information ----------------------------------------------- * Loaded script: triaged/hash_update.rb * Loaded features: 0 enumerator.so 1 thread.rb 2 fiber.so 3 rational.so 4 complex.so 5 ruby2_keywords.rb 6 set.rb ``` -- https://bugs.ruby-lang.org/

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[ruby-core:121437] [Ruby Bug#21197] Prism does not accept newline after defined? keyword
by kddnewton (Kevin Newton) 14 Jul '25

14 Jul '25

Issue #21197 has been reported by kddnewton (Kevin Newton). ---------------------------------------- Bug #21197: Prism does not accept newline after defined? keyword https://bugs.ruby-lang.org/issues/21197 * Author: kddnewton (Kevin Newton) * Status: Open * Assignee: prism * Backport: 3.1: UNKNOWN, 3.2: UNKNOWN, 3.3: UNKNOWN, 3.4: UNKNOWN ---------------------------------------- ``` defined? (1) ``` -- https://bugs.ruby-lang.org/

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