[ruby-core:113153] [Ruby master Bug#19584] Crash in rb_gc_register_address

6 Apr 2023

      Issue #19584 has been reported by peterzhu2118 (Peter Zhu).

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Bug #19584: Crash in rb_gc_register_address
https://bugs.ruby-lang.org/issues/19584

* Author: peterzhu2118 (Peter Zhu)
* Status: Open
* Priority: Normal
* Backport: 3.0: REQUIRED, 3.1: REQUIRED, 3.2: REQUIRED
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GitHub PR: https://github.com/ruby/ruby/pull/7670

Some C extensions pass a pointer to a global variable to rb_gc_register_address. However, if a GC is triggered inside of rb_gc_register_address, then the object could get swept since it does not exist on the stack.

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