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GeezerVison is showing github.com — gh-111178: fix UBSan failures in `Objects/typevarobject.c` by picnixz · Pull Request #129800 · python/cpython

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@picnixz

@picnixz picnixz commented Feb 7, 2025 •
edited by bedevere-app Bot
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This PR fixes the UBSan failures and addresses some minor cosmetic changes. PEP-7 changes were not applied since they could scramble the diff but other semantic changes affecting the signature of touched functions may have been done.

  • Issue: UBSan: Calling a function through pointer to incorrect function type is undefined behavior #111178

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picnixz added 8 commits February 6, 2025 16:55
@picnixz
fix UBSan failures for typealiasobject
5c8027f
@picnixz
fix UBSan failures for paramspecobject
a0733f5
@picnixz
fix UBSan failures for typevarobject
5491487
@picnixz
fix UBSan failures for typevartupleobject
aea5605
@picnixz
fix UBSan failures for paramspecattrobject
7ab32c5 
This is the common interface for ParamSpec args and kwargs.
@picnixz
use _PyCFunction_CAST macros
7d5768a
@picnixz
use macro for constevaluatorobject casts
c8cbe9b
@picnixz
Merge remote-tracking branch 'upstream/main' into fix/ubsan/typevarob…
71badf5 
…ject-111178
@picnixz picnixz added the skip news label Feb 7, 2025
@bedevere-app bedevere-app Bot mentioned this pull request Feb 7, 2025
UBSan: Calling a function through pointer to incorrect function type is undefined behavior #111178
Closed
@picnixz
picnixz marked this pull request as ready for review February 7, 2025 18:09
@picnixz
picnixz requested a review from markshannon as a code owner February 7, 2025 18:09
@bedevere-app bedevere-app Bot added the awaiting core review label Feb 7, 2025
@encukou
encukou merged commit ecde940 into python:main Feb 25, 2025
@bedevere-app bedevere-app Bot removed the awaiting core review label Feb 25, 2025
@picnixz
picnixz deleted the fix/ubsan/typevarobject-111178 branch February 25, 2025 12:14
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@markshannon markshannon Awaiting requested review from markshannon

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2 participants

@picnixz @encukou
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