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Title: `modsupport.c`: Missing `va_end` in `_abiinfo_raise` · Issue #146386 · python/cpython · GitHub

Open Graph Title: `modsupport.c`: Missing `va_end` in `_abiinfo_raise` · Issue #146386 · python/cpython

X Title: `modsupport.c`: Missing `va_end` in `_abiinfo_raise` · Issue #146386 · python/cpython

Description: Bug report Bug description: Bug Report modsupport.c: Missing va_end in _abiinfo_raise va_start(vargs, format) at line 689 but va_end(vargs) never called on any path. UB per C99 7.15.1. This is a sub-issue of #146102 with original gist de...

Open Graph Description: Bug report Bug description: Bug Report modsupport.c: Missing va_end in _abiinfo_raise va_start(vargs, format) at line 689 but va_end(vargs) never called on any path. UB per C99 7.15.1. This is a su...

X Description: Bug report Bug description: Bug Report modsupport.c: Missing va_end in _abiinfo_raise va_start(vargs, format) at line 689 but va_end(vargs) never called on any path. UB per C99 7.15.1. This is a su...

Opengraph URL: https://github.com/python/cpython/issues/146386

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og:image:altBug report Bug description: Bug Report modsupport.c: Missing va_end in _abiinfo_raise va_start(vargs, format) at line 689 but va_end(vargs) never called on any path. UB per C99 7.15.1. This is a su...
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modsupport.c: Missing va_end in _abiinfo_raisehttps://github.com/python/cpython/issues/146386#top
interpreter-core(Objects, Python, Grammar, and Parser dirs)https://github.com/python/cpython/issues?q=state%3Aopen%20label%3A%22interpreter-core%22
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on Mar 24, 2026https://github.com/python/cpython/issues/146386#issue-4129752158
#146102https://github.com/python/cpython/issues/146102
gist detailshttps://gist.github.com/devdanzin/d1a6ab9f62970be0cae139366ce3c482
gh-146386:modsupport.c Missing va_end in _abiinfo_raise #146387https://github.com/python/cpython/pull/146387
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