From: nobu@...
Date: 2021-03-05T17:59:33+00:00
Subject: [ruby-core:102747] [Ruby master Bug#17672] Ractor stdio does not	belong to the ractor

Issue #17672 has been reported by nobu (Nobuyoshi Nakada).

----------------------------------------
Bug #17672: Ractor stdio does not belong to the ractor
https://bugs.ruby-lang.org/issues/17672

* Author: nobu (Nobuyoshi Nakada)
* Status: Open
* Priority: Normal
* Backport: 2.5: DONTNEED, 2.6: DONTNEED, 2.7: DONTNEED, 3.0: REQUIRED
----------------------------------------
When compiling with `RUBY_DEBUG`, the following code crashes.

```
$ ./miniruby -W0 -e 'p Ractor.new {$stdout.itself}.take'
<OBJ_INFO:rb_ractor_confirm_belonging@../debug/ractor_core.h:336> 0x000000010bec2fa0 [0    U] T_FILE (IO)
-e:1: [BUG] rb_ractor_confirm_belonging object-ractor id:1, current-ractor id:2
ruby 3.1.0dev (2021-03-05T13:03:11Z master 182cde8dfb) [x86_64-darwin19]
```

Ractor local stdio objects don't belong to the ractor.




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