Issue #20796 has been updated by tikkss (Tsutomu Katsube). Thank you very much! I have confirmed a83c91dd7a addresses the issue on Intel mac: ```console $ ruby -v ruby 3.4.0dev (2024-10-21T11:40:42Z master a83c91dd7a) +PRISM [x86_64-darwin24] $ bundle exec rake ostruct was loaded from the standard library, but will no longer be part of the default gems starting from Ruby 3.5.0. You can add ostruct to your Gemfile or gemspec to silence this warning. /Users/zzz/.rbenv/versions/a83c91dd7a/bin/ruby -w -I"lib:lib:test" /Users/zzz/.rbenv/versions/a83c91dd7a/lib/ruby/gems/3.4.0+0/gems/rake-13.1.0/lib/rake/rake_test_loader.rb "test/basic_zip_file_test.rb" "test/bzip2_support_test.rb" "test/case_sensitivity_test.rb" "test/central_directory_entry_test.rb" "test/central_directory_test.rb" "test/constants_test.rb" "test/crypto/null_encryption_test.rb" "test/crypto/traditional_encryption_test.rb" "test/decompressor_test.rb" "test/deflater_test.rb" "test/dos_time_test.rb" "test/encryption_test.rb" "test/entry_set_test.rb" "test/entry_test.rb" "test/extra_field_test.rb" "test/extra_field_unknown_test.rb" "test/extra_field_ut_test.rb" "test/file_extract_directory_test.rb" "test/file_extract_test.rb" "test/file_options_test.rb" "test/file_permissions_test.rb" "test/file_split_test.rb" "test/file_test.rb" "test/filesystem/dir_test.rb" "test/filesystem/directory_iterator_test.rb" "test/filesystem/file_mutating_test.rb" "test/filesystem/file_nonmutating_test.rb" "test/filesystem/file_stat_test.rb" "test/inflater_test.rb" "test/input_stream_test.rb" "test/ioextras/abstract_input_stream_test.rb" "test/ioextras/abstract_output_stream_test.rb" "test/ioextras/fake_io_test.rb" "test/local_entry_test.rb" "test/output_stream_test.rb" "test/pass_thru_compressor_test.rb" "test/pass_thru_decompressor_test.rb" "test/path_traversal_test.rb" "test/samples/example_recursive_test.rb" "test/settings_test.rb" "test/stored_support_test.rb" "test/unicode_file_names_and_comments_test.rb" "test/zip64_full_test.rb" "test/zip64_support_test.rb" /Users/zzz/.rbenv/versions/a83c91dd7a/lib/ruby/gems/3.4.0+0/gems/minitest-5.22.3/lib/minitest/mock.rb:33: warning: redefining 'object_id' may cause serious problems Run options: --seed 39370 # Running: ............................................................................................................................................................................/Users/zzz/src/github.com/rubyzip/rubyzip/test/ioextras/abstract_output_stream_test.rb:55: warning: '$OUTPUT_RECORD_SEPARATOR' is deprecated .............................................................................................................S...S........................................................................ Finished in 1.143906s, 312.9628 runs/s, 2212.5944 assertions/s. 358 runs, 2531 assertions, 0 failures, 0 errors, 2 skips You have skipped tests. Run with --verbose for details. Coverage report generated for Unit Tests to /Users/zzz/src/github.com/rubyzip/rubyzip/coverage. Line Coverage: 96.44% (2057 / 2133) Branch Coverage: 78.25% (511 / 653) Lcov style coverage report generated for Unit Tests to coverage/lcov.info ``` ---------------------------------------- Bug #20796: Segmentation fault in rubyzip tests with ruby 3.4.0-preview2~659 e7cb70be4e on x86_64-darwin24 https://bugs.ruby-lang.org/issues/20796#change-110199 * Author: tikkss (Tsutomu Katsube) * Status: Open * ruby -v: ruby 3.4.0dev (2024-09-03T05:25:25Z v3_4_0_preview2~659 e7cb70be4e) [x86_64-darwin24] * Backport: 3.1: UNKNOWN, 3.2: UNKNOWN, 3.3: UNKNOWN ---------------------------------------- Steps to reproduce --- ```console $ git clone git@github.com:rubyzip/rubyzip $ cd rubyzip $ bundle $ bundle exec rake ``` Expected behavior --- The tests should complete successfully. Actual behavior --- A segmentation fault occurs during the test run. This issue does not occur with ruby 3.4.0-preview1 or other Ruby versions. Console dump --- See attached `crash.log` and `ruby-2024-10-13-071029.ips` for full details ```console $ bundle exec rake TESTOPTS="-v --seed=1" 2>crash.log Run options: -v --seed=1 # Running: ZipFileTest#test_get_output_stream = 0.02 s = . ZipFileTest#test_add_directory = 0.01 s = . ZipFileTest#test_streaming = 0.01 s = . ZipFileTest#test_nonexistant_zip = 0.00 s = . ZipFileTest#test_open_buffer_without_block = 0.00 s = . ZipFileTest#test_rename_to_existing_entry = 0.00 s = . ZipFileTest#test_open_buffer_with_io_and_block = 0.00 s = . ZipFileTest#test_write_buffer = 0.01 s = . ZipFileTest#test_open_buffer_with_stringio = 0.00 s = . ZipFileTest#test_odd_extra_field = 0.00 s = . ZipFileTest#test_add_existing_entry_name = 0.00 s = . ZipFileTest#test_open_buffer_no_op_does_not_change_file = 0.00 s = . ZipFileTest#test_replace = 0.01 s = . ZipFileTest#test_rename = 0.01 s = . ZipFileTest#test_recover_permissions_after_add_files_to_archive = % ``` My environment --- ```console $ gem env RubyGems Environment: - RUBYGEMS VERSION: 3.6.0.dev - RUBY VERSION: 3.4.0 (2024-10-07 patchlevel -1) [x86_64-darwin24] - INSTALLATION DIRECTORY: /Users/zzz/.rbenv/versions/3.4.0-preview2/lib/ruby/gems/3.4.0+0 - USER INSTALLATION DIRECTORY: /Users/zzz/.gem/ruby/3.4.0+0 - RUBY EXECUTABLE: /Users/zzz/.rbenv/versions/3.4.0-preview2/bin/ruby - GIT EXECUTABLE: /usr/local/bin/git - EXECUTABLE DIRECTORY: /Users/zzz/.rbenv/versions/3.4.0-preview2/bin - SPEC CACHE DIRECTORY: /Users/zzz/.gem/specs - SYSTEM CONFIGURATION DIRECTORY: /Users/zzz/.rbenv/versions/3.4.0-preview2/etc - RUBYGEMS PLATFORMS: - ruby - x86_64-darwin-24 - GEM PATHS: - /Users/zzz/.rbenv/versions/3.4.0-preview2/lib/ruby/gems/3.4.0+0 - /Users/zzz/.gem/ruby/3.4.0+0 - GEM CONFIGURATION: - :update_sources => true - :verbose => true - :backtrace => true - :bulk_threshold => 1000 - "gem" => "--no-document" - REMOTE SOURCES: - https://rubygems.org/ - SHELL PATH: - /Users/zzz/.rbenv/versions/3.4.0-preview2/bin - /usr/local/Cellar/rbenv/1.3.0/libexec - /Users/zzz/.local/bin - /Users/zzz/.rbenv/shims - /Users/zzz/.rbenv/bin - /Users/zzz/.nodenv/bin - /Users/zzz/bin - /Users/zzz/.cargo/bin - /usr/local/sbin - /usr/local/bin - /System/Cryptexes/App/usr/bin - /usr/bin - /bin - /usr/sbin - /sbin - /var/run/com.apple.security.cryptexd/codex.system/bootstrap/usr/local/bin - /var/run/com.apple.security.cryptexd/codex.system/bootstrap/usr/bin - /var/run/com.apple.security.cryptexd/codex.system/bootstrap/usr/appleinternal/bin - /Library/Apple/usr/bin ``` ```console $ cat Gemfile.lock PATH remote: . specs: rubyzip (3.0.0.alpha) GEM remote: https://rubygems.org/ specs: ast (2.4.2) docile (1.4.1) json (2.7.2) language_server-protocol (3.17.0.3) minitest (5.22.3) parallel (1.26.3) parser (3.3.5.0) ast (~> 2.4.1) racc psych (5.1.2) stringio racc (1.8.1) rainbow (3.1.1) rake (13.1.0) rdoc (6.6.3.1) psych (>= 4.0.0) regexp_parser (2.9.2) rexml (3.3.8) rubocop (1.61.0) json (~> 2.3) language_server-protocol (>= 3.17.0) parallel (~> 1.10) parser (>= 3.3.0.2) rainbow (>= 2.2.2, < 4.0) regexp_parser (>= 1.8, < 3.0) rexml (>= 3.2.5, < 4.0) rubocop-ast (>= 1.30.0, < 2.0) ruby-progressbar (~> 1.7) unicode-display_width (>= 2.4.0, < 3.0) rubocop-ast (1.32.3) parser (>= 3.3.1.0) rubocop-performance (1.20.2) rubocop (>= 1.48.1, < 2.0) rubocop-ast (>= 1.30.0, < 2.0) rubocop-rake (0.6.0) rubocop (~> 1.0) ruby-progressbar (1.13.0) simplecov (0.22.0) docile (~> 1.1) simplecov-html (~> 0.11) simplecov_json_formatter (~> 0.1) simplecov-html (0.13.1) simplecov-lcov (0.8.0) simplecov_json_formatter (0.1.4) stringio (3.1.1) unicode-display_width (2.6.0) PLATFORMS ruby x86_64-darwin-24 DEPENDENCIES minitest (~> 5.22.0) rake (~> 13.1.0) rdoc (~> 6.6.2) rubocop (~> 1.61.0) rubocop-performance (~> 1.20.0) rubocop-rake (~> 0.6.0) rubyzip! simplecov (~> 0.22.0) simplecov-lcov (~> 0.8) BUNDLED WITH 2.6.0.dev ``` ---Files-------------------------------- crash.log (74.3 KB) ruby-2024-10-13-071029.ips (31.5 KB) crash.file_test.log (70.2 KB) -- https://bugs.ruby-lang.org/