8d1a6bc48b (master): gc.c: check if the struct has fields before marking the fields_obj
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Jean Boussier
3:15 PM (4 hours ago) 3:15 PM
to ruby...@g.ruby-lang.org
Jean Boussier 2025-12-03 19:40:22 +0000 (Wed, 03 Dec 2025)
New Revision: 8d1a6bc48b
https://github.com/ruby/ruby/commit/8d1a6bc48b
Log:
gc.c: check if the struct has fields before marking the fields_obj
If GC trigger in the middle of `struct_alloc`, and the struct has more
than 3 elements, then `fields_obj` reference is garbage.
We must first check the shape to know if it was actually initialized.
Modified files:
gc.c
New Revision: 8d1a6bc48b
https://github.com/ruby/ruby/commit/8d1a6bc48b
Log:
gc.c: check if the struct has fields before marking the fields_obj
If GC trigger in the middle of `struct_alloc`, and the struct has more
than 3 elements, then `fields_obj` reference is garbage.
We must first check the shape to know if it was actually initialized.
Modified files:
gc.c
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