* [ruby-core:122336] [Ruby Bug#21383] Prism leaks memory with invalid yield
@ 2025-05-29 14:02 peterzhu2118 (Peter Zhu) via ruby-core
2025-07-14 20:54 ` [ruby-core:122749] " k0kubun (Takashi Kokubun) via ruby-core
0 siblings, 1 reply; 2+ messages in thread
From: peterzhu2118 (Peter Zhu) via ruby-core @ 2025-05-29 14:02 UTC (permalink / raw)
To: ruby-core; +Cc: peterzhu2118 (Peter Zhu)
Issue #21383 has been reported by peterzhu2118 (Peter Zhu).
----------------------------------------
Bug #21383: Prism leaks memory with invalid yield
https://bugs.ruby-lang.org/issues/21383
* Author: peterzhu2118 (Peter Zhu)
* Status: Open
* Backport: 3.2: DONTNEED, 3.3: DONTNEED, 3.4: REQUIRED
----------------------------------------
Fix: https://github.com/ruby/ruby/pull/13464
The following script leaks memory:
```ruby
10.times do
20_000.times do
eval("class C; yield; end")
rescue SyntaxError
end
puts `ps -o rss= -p #{$$}`
end
```
Before:
```
16464
25536
29424
35904
39552
44576
46736
51600
56096
59824
```
After:
```
13488
16160
18240
20528
19760
21808
21680
22272
22064
22336
```
--
https://bugs.ruby-lang.org/
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^ permalink raw reply [flat|nested] 2+ messages in thread
* [ruby-core:122749] [Ruby Bug#21383] Prism leaks memory with invalid yield
2025-05-29 14:02 [ruby-core:122336] [Ruby Bug#21383] Prism leaks memory with invalid yield peterzhu2118 (Peter Zhu) via ruby-core
@ 2025-07-14 20:54 ` k0kubun (Takashi Kokubun) via ruby-core
0 siblings, 0 replies; 2+ messages in thread
From: k0kubun (Takashi Kokubun) via ruby-core @ 2025-07-14 20:54 UTC (permalink / raw)
To: ruby-core; +Cc: k0kubun (Takashi Kokubun)
Issue #21383 has been updated by k0kubun (Takashi Kokubun).
Backport changed from 3.2: DONTNEED, 3.3: DONTNEED, 3.4: REQUIRED to 3.2: DONTNEED, 3.3: DONTNEED, 3.4: DONE
ruby_3_4 commit:cdb039d3e4f76ee01744814e5f08395835fa8e63 merged revision(s) commit:9f91f3617bab2ee220d298ddb874ef73b10dac23.
----------------------------------------
Bug #21383: Prism leaks memory with invalid yield
https://bugs.ruby-lang.org/issues/21383#change-114028
* Author: peterzhu2118 (Peter Zhu)
* Status: Closed
* Backport: 3.2: DONTNEED, 3.3: DONTNEED, 3.4: DONE
----------------------------------------
Fix: https://github.com/ruby/ruby/pull/13464
The following script leaks memory:
```ruby
10.times do
20_000.times do
eval("class C; yield; end")
rescue SyntaxError
end
puts `ps -o rss= -p #{$$}`
end
```
Before:
```
16464
25536
29424
35904
39552
44576
46736
51600
56096
59824
```
After:
```
13488
16160
18240
20528
19760
21808
21680
22272
22064
22336
```
--
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/lists/ruby-core.ml.ruby-lang.org/
^ permalink raw reply [flat|nested] 2+ messages in thread
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