Ruby Issue Tracking System

Today

07:14 PM Ruby Revision a731080f (git): Make rb_gc_obj_optimal_size always return allocatable size

It may return sizes that aren't allocatable for arrays and strings. peterzhu2118 (Peter Zhu)

05:29 PM Ruby Revision f1b1899a (git): [ruby/mmtk] Lock the VM when freeing objects in rb_gc_impl_shutdown_call_finalizer

https://github.com/ruby/mmtk/commit/1828f6596f peterzhu2118 (Peter Zhu)

01:58 AM Ruby Revision 827f11fc (git): Move rb_gc_verify_shareable to gc.c

rb_gc_verify_shareable is not GC implementation specific so it should live
in gc.c. peterzhu2118 (Peter Zhu)

11/06/2025

03:31 AM Ruby Revision 6014ed99 (git): Remove dead rb_hash_dump

peterzhu2118 (Peter Zhu)

11/02/2025

02:17 PM Ruby Revision dba4c9fb (git): Fix string allocation when slot size < 40 bytes

We need to allocate at least sizeof(struct RString) when the string is
embedded on garbage collectors that support slot sizes less than 40 bytes. peterzhu2118 (Peter Zhu)

02:17 PM Ruby Revision 2380f69f (git): Fix array allocation when slot size < 40 bytes

We need to allocate at least sizeof(struct RArray) when the array is
embedded on garbage collectors that support slot sizes less than 40 bytes. peterzhu2118 (Peter Zhu)

02:17 PM Ruby Revision 37c71536 (git): Make rb_str_embed_size aware of termlen

peterzhu2118 (Peter Zhu)

11/01/2025

02:47 PM Ruby Revision 390d77ba (git): Fix memory leak in String#encode when StringValue raises

The following script leaks memory:
10.times do
100_000.times do
"\ufffd".encode(Encoding::US_ASCII, fallback: proc { Object.new })
rescue
end
puts `ps -o rss= -p #{$$}`
end
Before:
450244
... peterzhu2118 (Peter Zhu)

10/31/2025

12:13 AM Ruby Revision a4c33615 (git): [ruby/mmtk] Bump mmtk-core

https://github.com/ruby/mmtk/commit/9876d8f0a1 peterzhu2118 (Peter Zhu)

10/30/2025

12:18 AM Ruby Revision b8c82a99 (git): Fix memory leak in String#encode when fallback too big

The following script leaks memory:
10.times do
100_000.times do
"\ufffd".encode(Encoding::US_ASCII, fallback: proc { "\uffee" })
rescue
end
puts `ps -o rss= -p #{$$}`
end
Before:
451196
... peterzhu2118 (Peter Zhu)