Ruby Issue Tracking System

Today

11:18 AM Ruby Revision cfced4ed (git): Fix overlapping GC CPU timing during global compaction

eightbitraptor (Matt V-H)

11:18 AM Ruby Revision 60c206b6 (git): Add global scope to GC.stat

eightbitraptor (Matt V-H)

11:18 AM Ruby Revision 6cc4ec34 (git): Add a per-Ractor GC timing example

eightbitraptor (Matt V-H)

11:18 AM Ruby Revision c6ff4670 (git): Update the zjit hir tests for new GC parameter

eightbitraptor (Matt V-H)

09/21/2026

09:14 AM Ruby Bug #22325 (Closed): out of bounds read in array

Applied in changeset commit:git|8befacf9e6c898a0f79dcb53bdd2e4cea24e0d1c.
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Guard against oob read in rb_ary_aref1
When the array is shrunk during rb_arithmetic_sequence_beg_len_step,
ary_subseq_len returns -1. Return an empty... eightbitraptor (Matt V-H)

09:14 AM Ruby Revision 8befacf9 (git): Guard against oob read in rb_ary_aref1

When the array is shrunk during rb_arithmetic_sequence_beg_len_step,
ary_subseq_len returns -1. Return an empty array instead of passing the
negative length to ary_make_partial or ary_make_partial_step.
[Bug #22325] eightbitraptor (Matt V-H)

09/16/2026

09:14 PM Ruby Bug #22325: out of bounds read in array

https://github.com/ruby/ruby/pull/18876 eightbitraptor (Matt V-H)

09/11/2026

10:52 AM Ruby Bug #22301 (Closed): Writing to the contents of a frozen IO::Buffer does not raise FrozenError

Applied in changeset commit:git|1c37a5d0ba184d0365020a8b8b9c7b6eb6e84055.
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[Bug #22301] Check IO Buffer is writeable before writing eightbitraptor (Matt V-H)

10:52 AM Ruby Revision 1c37a5d0 (git): [Bug #22301] Check IO Buffer is writeable before writing

eightbitraptor (Matt V-H)

09/10/2026

01:19 PM Ruby Bug #22301: Writing to the contents of a frozen IO::Buffer does not raise FrozenError

I have a fix for this here: https://github.com/ruby/ruby/pull/18746 eightbitraptor (Matt V-H)