Ruby Issue Tracking System

10/09/2025

04:42 AM Ruby Bug #21633 (Open): A `rb_thread_call_without_gvl` loop can cause the fiber scheduler to ignore signals.

The gRPC gem calls `rb_thread_call_without_gvl` in a loop, and doesn't exit when interrupts are delivered if `Thread.... ioquatix (Samuel Williams)

10/06/2025

10:17 PM Ruby Bug #19461: Time.local performance tanks in forked process (on macOS only?)

Just for reference, on the lastest macOS, the issue still appears:
```
% clang localtime_test.c
% ./a.out
Mea... ioquatix (Samuel Williams)

10/05/2025

11:25 AM Ruby Bug #21610: Use ec->interrupt_mask to prevent interrupts.

- Ruby 3.3 backport PR: https://github.com/ruby/ruby/pull/14735
- Ruby 3.2 backport PR: https://github.com/ruby/ruby... ioquatix (Samuel Williams)

09/18/2025

03:28 AM Ruby Bug #21610: Use ec->interrupt_mask to prevent interrupts.

A slightly different change may be required for 3.3 and 3.2 backports: https://github.com/ruby/ruby/commit/e900e9fc9a... ioquatix (Samuel Williams)

02:27 AM Ruby Bug #21610 (Closed): Use ec->interrupt_mask to prevent interrupts.

Fixed in https://github.com/ruby/ruby/commit/e6879401feba22e3657a231cbedc751998cb7176 ioquatix (Samuel Williams)

01:36 AM Ruby Bug #21610 (Closed): Use ec->interrupt_mask to prevent interrupts.

The following program can trigger `rb_bug` in `rb_fiber_scheduler_unblock`:
```ruby
require 'async/scheduler'
... ioquatix (Samuel Williams)

08/30/2025

12:54 AM Ruby Bug #21342: Segfault: invalid keeping_mutexes when using Mutex in Thread then Fiber after GC

Just for the sake of cross-referencing related issues: https://bugs.ruby-lang.org/issues/18818 ioquatix (Samuel Williams)

08/07/2025

12:30 AM Ruby Feature #19333: Setting (Fiber Local|Thread Local|Fiber Storage) to nil should delete value in order to avoid memory leaks.

See <https://github.com/socketry/async-http-faraday/pull/57> for a valid use case. ioquatix (Samuel Williams)

07/27/2025

11:03 PM Ruby Bug #21521 (Closed): Don't require dummy makefile in `extconf.rb`

Actually, this is probably a bug with RubyGems. ioquatix (Samuel Williams)

11:01 PM Ruby Bug #21521 (Closed): Don't require dummy makefile in `extconf.rb`

On some platforms, no native extensions should be created. Due to limitations in `mkmf`, it is typical to create a du... ioquatix (Samuel Williams)