[ruby-core:117270] [Ruby master Bug#20212] Regex match method is crashing - (irb):6: [BUG] Segmentation fault at 0x0000000000000000 ruby 3.3.0 (2023-12-25 revision 5124f9ac75) [x86_64-darwin22]

Issue #20212 has been updated by naruse (Yui NARUSE).

Backport changed from 3.0: UNKNOWN, 3.1: UNKNOWN, 3.2: UNKNOWN, 3.3: UNKNOWN to 3.0: UNKNOWN, 3.1: UNKNOWN, 3.2: UNKNOWN, 3.3: DONE

ruby_3_3 00cb72157a60c20a9b9d9fe81fc974ea83d672b4 merged revision(s) 3e6e3ca2627b1aa71b17de902cc1b8188246a828.

----------------------------------------
Bug #20212: Regex match method is crashing - (irb):6: [BUG] Segmentation fault at 0x0000000000000000 ruby 3.3.0 (2023-12-25 revision 5124f9ac75) [x86_64-darwin22]
https://bugs.ruby-lang.org/issues/20212#change-107395

* Author: rubanthilak (Ruban Thilak)
* Status: Closed
* Assignee: make_now_just (Hiroya Fujinami)
* ruby -v: 3.3.0
* Backport: 3.0: UNKNOWN, 3.1: UNKNOWN, 3.2: UNKNOWN, 3.3: DONE
----------------------------------------
Tried this with ruby 3.3.0, both irb and rails console are crashing

```ruby
DOMAIN_REGEX = Regexp.new(
  /\A((?=.*?[a-z])(?!.*--)[a-z\d]+[a-z\d-]*[a-z\d]+).((?=.*?[a-z])(?!.*--)[a-z\d]+[a-z\d-]*[a-z\d]+).((?=.*?[a-z])(?!.*--)[a-zd]+[a-zd-]*[a-zd]+).((?=.*?[a-z])(?!.*--)[a-zd]+[a-zd-]*[a-zd]+)\Z/x
)
full_domain = "www.google.com"
100.times.each { full_domain.match(DOMAIN_REGEX) }
```

```
-- Ruby level backtrace information ----------------------------------------
/Users/rthilak/.rvm/gems/ruby-3.3.0@ams/bin/ruby_executable_hooks:22:in `<main>'
/Users/rthilak/.rvm/gems/ruby-3.3.0@ams/bin/ruby_executable_hooks:22:in `eval'
/Users/rthilak/.rvm/rubies/ruby-3.3.0/bin/bundle:25:in `<main>'
/Users/rthilak/.rvm/rubies/ruby-3.3.0/bin/bundle:25:in `load'
/Users/rthilak/.rvm/rubies/ruby-3.3.0/lib/ruby/gems/3.3.0/gems/bundler-2.5.3/exe/bundle:20:in `<top (required)>'
/Users/rthilak/.rvm/rubies/ruby-3.3.0/lib/ruby/3.3.0/bundler/friendly_errors.rb:117:in `with_friendly_errors'
/Users/rthilak/.rvm/rubies/ruby-3.3.0/lib/ruby/gems/3.3.0/gems/bundler-2.5.3/exe/bundle:28:in `block in <top (required)>'
/Users/rthilak/.rvm/rubies/ruby-3.3.0/lib/ruby/3.3.0/bundler/cli.rb:28:in `start'
/Users/rthilak/.rvm/rubies/ruby-3.3.0/lib/ruby/3.3.0/bundler/vendor/thor/lib/thor/base.rb:584:in `start'
/Users/rthilak/.rvm/rubies/ruby-3.3.0/lib/ruby/3.3.0/bundler/cli.rb:34:in `dispatch'
/Users/rthilak/.rvm/rubies/ruby-3.3.0/lib/ruby/3.3.0/bundler/vendor/thor/lib/thor.rb:527:in `dispatch'
/Users/rthilak/.rvm/rubies/ruby-3.3.0/lib/ruby/3.3.0/bundler/vendor/thor/lib/thor/invocation.rb:127:in `invoke_command'
/Users/rthilak/.rvm/rubies/ruby-3.3.0/lib/ruby/3.3.0/bundler/vendor/thor/lib/thor/command.rb:28:in `run'
/Users/rthilak/.rvm/rubies/ruby-3.3.0/lib/ruby/3.3.0/bundler/cli.rb:451:in `exec'
/Users/rthilak/.rvm/rubies/ruby-3.3.0/lib/ruby/3.3.0/bundler/cli/exec.rb:23:in `run'
/Users/rthilak/.rvm/rubies/ruby-3.3.0/lib/ruby/3.3.0/bundler/cli/exec.rb:58:in `kernel_load'
/Users/rthilak/.rvm/rubies/ruby-3.3.0/lib/ruby/3.3.0/bundler/cli/exec.rb:58:in `load'
/Users/rthilak/.rvm/rubies/ruby-3.3.0/bin/irb:25:in `<top (required)>'
/Users/rthilak/.rvm/rubies/ruby-3.3.0/bin/irb:25:in `load'
/Users/rthilak/.rvm/rubies/ruby-3.3.0/lib/ruby/gems/3.3.0/gems/irb-1.11.0/exe/irb:9:in `<top (required)>'
/Users/rthilak/.rvm/rubies/ruby-3.3.0/lib/ruby/3.3.0/irb.rb:903:in `start'
/Users/rthilak/.rvm/rubies/ruby-3.3.0/lib/ruby/3.3.0/irb.rb:1001:in `run'
/Users/rthilak/.rvm/rubies/ruby-3.3.0/lib/ruby/3.3.0/irb.rb:1001:in `catch'
/Users/rthilak/.rvm/rubies/ruby-3.3.0/lib/ruby/3.3.0/irb.rb:1002:in `block in run'
/Users/rthilak/.rvm/rubies/ruby-3.3.0/lib/ruby/3.3.0/irb.rb:1015:in `eval_input'
/Users/rthilak/.rvm/rubies/ruby-3.3.0/lib/ruby/3.3.0/irb.rb:1093:in `each_top_level_statement'
<internal:kernel>:187:in `loop'
```

---Files--------------------------------
trace.txt (61.7 KB)


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