Ruby Issue Tracking System

04/21/2026

07:02 AM Ruby Bug #22009: ERROR: AddressSanitizer: attempting to call malloc_usable_size() for pointer which is not owned: with ASAN and DEBUG enabled build

With Claude Code help, It only reproduces with both ASAN and DEBUG options enabled. But not sure if this is the right fix though.
https://github.com/ruby/ruby/commit/e47063e5bc52929924b633cffed33fc9132030c4 yahonda (Yasuo Honda)

07:00 AM Ruby Bug #22009: ERROR: AddressSanitizer: attempting to call malloc_usable_size() for pointer which is not owned: with ASAN and DEBUG enabled build

Here is the entire log generated by `make test-spec MSPECOPT="spec/ruby/library/objectspace/dump_all_spec.rb" 2>&1 | tee error.log` yahonda (Yasuo Honda)

06:58 AM Ruby Bug #22009 (Open): ERROR: AddressSanitizer: attempting to call malloc_usable_size() for pointer which is not owned: with ASAN and DEBUG enabled build

### Background
I am using ruby-head built and deployed by https://github.com/ruby/ruby-dev-builder for my repository.
https://github.com/rsim/oracle-enhanced/blob/master/.github/workflows/ruby_head.yml
Recently, the `ruby-head` ve... yahonda (Yasuo Honda)

12/03/2025

09:38 AM Ruby Bug #21761: NameError: uninitialized constant only when RUBY_BOX=1

It does not reproduce without Rake.
```ruby
$ RUBY_BOX=1 ruby test_box.rb
ruby: warning: Ruby::Box is experimental, and the behavior may change in the future!
See doc/language/box.md for known issues, etc.
Constants defined:
R... yahonda (Yasuo Honda)

09:37 AM Ruby Bug #21761: NameError: uninitialized constant only when RUBY_BOX=1

Here are original issue found.
# Steps to reproduce
```
git clone https://github.com/rails/rails
cd rails/activerecord
rm ../Gemfile.lock
bundle install
RUBY_BOX=1 bundle exec rake test
```
# Actual behavior
```
$ RUBY_BOX... yahonda (Yasuo Honda)

09:36 AM Ruby Bug #21761 (Assigned): NameError: uninitialized constant only when RUBY_BOX=1

This issue is originally found when I tested Ruby::Box against Rails main branch, I think I have created a repro.
### Steps to reproduce
1. Install Ruby master branch
2. Follow these steps below.
```
git clone https://github.c... yahonda (Yasuo Honda)

11/12/2025

01:14 AM Ruby Revision da114dfe (git): [ruby/error_highlight] Replace Ruby 3.5 with Ruby 4.0

This commit updates the Ruby version to follow the commit in Ruby master branch.
https://github.com/ruby/ruby/commit/6d81969b475262aba251e99b518181bdf7c5a523
https://github.com/ruby/error_highlight/commit/dcecf68d75 yahonda (Yasuo Honda)

01:09 AM Ruby Revision c6997ddf (git): [ruby/net-http] Replace Ruby 3.5 with Ruby 4.0

This commit updates the Ruby version to follow the commit in Ruby master branch.
https://github.com/ruby/ruby/commit/6d81969b475262aba251e99b518181bdf7c5a523
https://github.com/ruby/net-http/commit/1e48cfaaf7 yahonda (Yasuo Honda)

11/11/2025

09:05 PM Ruby Revision c07b2329 (git): [ruby/psych] Replace Ruby 3.5 with Ruby 4.0

This commit updates the Ruby version to follow the commit in Ruby master branch.
https://github.com/ruby/ruby/commit/6d81969b475262aba251e99b518181bdf7c5a523
https://github.com/ruby/psych/commit/971b7de078 yahonda (Yasuo Honda)

03:58 PM Ruby Revision 50c97e1c (git): Update Ruby version to 4.0 for the cgi warnings (#15141)

This commit updates the Ruby version in the error message to follow the commit in Ruby master branch.
https://github.com/ruby/ruby/commit/6d81969b475262aba251e99b518181bdf7c5a523 yahonda (Yasuo Honda)