[ruby-core:120783] [Ruby master Bug#21021] "try to mark T_NONE object" with 3.4.1

["Benoit_Tigeot (Benoit Tigeot) via ruby-core" <ruby-core@ml.ruby-lang.org>]

Issue #21021 has been updated by Benoit_Tigeot (Benoit Tigeot).


byroot (Jean Boussier) wrote in #note-22:
> But that's terribly hard to track down :/

Arf.
The "good" news, is I am able to reproduce at 100% if I use concurrency.

alanwu (Alan Wu) wrote in #note-19:
> Are you able to crash it without bootsnap?

I see no positiv impact without bootsnap. I see no longer reference in the crash report but I still have `/bundle/ruby/3.4.0/gems/psych-5.2.3/lib/psych/tree_builder.rb:97: [BUG] T_NONE on stack. Seems to be from 67th frame`


----------------------------------------
Bug #21021: "try to mark T_NONE object" with 3.4.1
https://bugs.ruby-lang.org/issues/21021#change-111651

* Author: Benoit_Tigeot (Benoit Tigeot)
* Status: Open
* ruby -v: ruby 3.4.1 (2024-12-25 revision 48d4efcb85) +YJIT +PRISM [x86_64-linux]                                                                                                                                  │
* Backport: 3.1: UNKNOWN, 3.2: UNKNOWN, 3.3: UNKNOWN, 3.4: UNKNOWN
----------------------------------------
Hello

We upgraded to 3.4.1 yesterday but we are seeing crash since then.

```
/bundle/ruby/3.4.0/gems/activejob-7.2.2.1/lib/active_job/enqueuing.rb:93: [BUG] try to mark T_NONE object
```

I saw the other issue related to ffi gem https://bugs.ruby-lang.org/issues/20694

But in our case the `C level backtrace information` looks different.

https://gist.github.com/benoittgt/13507c2000281aa7740bc782adab68c5


We migrated this part of the code to parallel->concurrent-ruby and we do not see the error yet again but I am a little bit worried we could see the issue again. 



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