rwstauner (Randy Stauner)
- Login: rwstauner
- Registered on: 05/14/2024
- Last sign in: 06/10/2026
Issues
| open | closed | Total | |
|---|---|---|---|
| Assigned issues | 0 | 1 | 1 |
| Reported issues | 0 | 2 | 2 |
Projects
| Project | Roles | Registered on |
|---|---|---|
| Ruby | Contributor | 03/03/2025 |
Activity
06/17/2026
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08:37 PM Ruby Revision e29bcf6c (git): gc: Fix inconsistent args in rb_gc_unregister_address that can cause heap-use-after-free
- The destination should be an address just like the source.
Added a regression test based on the nokogiri code that highlighted the bug under ASan.
06/11/2026
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- [Bug #22101]
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- Backport for 3.3 https://github.com/ruby/ruby/pull/17271
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- Applied in changeset commit:git|86c23c9e51c79dff04ebf493a3e94e3d63b9118e.
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Avoid reading TypedData type after dfree
[Bug #22101] (Backport) -
- [Bug #22101] (Backport)
06/10/2026
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- backport for 3.4: https://github.com/ruby/ruby/pull/17268
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- backport for 4.0: https://github.com/ruby/ruby/pull/17267
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- `rb_data_free` currently calls `dfree` and then evaluates `RTYPEDDATA_EMBEDDABLE_P(obj)`.
Since `RTYPEDDATA_EMBEDDABLE_P(obj)` reads `RTYPEDDATA_TYPE(obj)->flags`, this can become a use-after-free if an extension's `dfree` releases a ...
06/02/2026
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- Useful for adding comments to HIR/LIR/disasm that are not specific to an instruction.
Possibly most useful for temporarily printing more information
while debugging by keeping the statements interleaved with the HIR.
With a local chang...