[ruby-core:114387] [Ruby master Bug#19836] Parser leaks memory for incomplete lambdas
From:
"nagachika (Tomoyuki Chikanaga) via ruby-core" <ruby-core@...>
Date:
2023-08-13 04:35:59 UTC
List:
ruby-core #114387
Issue #19836 has been updated by nagachika (Tomoyuki Chikanaga).
Backport changed from 3.0: REQUIRED, 3.1: REQUIRED, 3.2: REQUIRED to 3.0: REQUIRED, 3.1: REQUIRED, 3.2: DONE
ruby_3_2 0c908fa681271f13750aa64420203f1a58fa03fe merged revision(s) 0b8f15575a440f85ac686f5b0eae8f8b7c2b72e7.
----------------------------------------
Bug #19836: Parser leaks memory for incomplete lambdas
https://bugs.ruby-lang.org/issues/19836#change-104135
* Author: peterzhu2118 (Peter Zhu)
* Status: Closed
* Priority: Normal
* Backport: 3.0: REQUIRED, 3.1: REQUIRED, 3.2: DONE
----------------------------------------
GitHub Pull Request: https://github.com/ruby/ruby/pull/8192
The parser does not free the chain of `struct vtable`, which causes memory leaks.
The following script reproduces this issue:
```ruby
10.times do
100_000.times do
Ripper.parse("-> {")
end
puts `ps -o rss= -p #{$$}`
end
```
--
https://bugs.ruby-lang.org/
______________________________________________
ruby-core mailing list -- ruby-core@ml.ruby-lang.org
To unsubscribe send an email to ruby-core-leave@ml.ruby-lang.org
ruby-core info -- https://ml.ruby-lang.org/mailman3/postorius/lists/ruby-core.ml.ruby-lang.org/