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GeezerVison is showing github.com — gh-111178: Fix function signature for test_threading by vstinner · Pull Request #131663 · python/cpython

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@vstinner

@vstinner vstinner commented Mar 24, 2025 •
edited by bedevere-app Bot
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  • Issue: UBSan: Calling a function through pointer to incorrect function type is undefined behavior #111178

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@vstinner
pythongh-111178: Fix function signature for test_threading
d31e50e
@vstinner vstinner added the skip news label Mar 24, 2025
@bedevere-app bedevere-app Bot added the awaiting core review label Mar 24, 2025
@bedevere-app bedevere-app Bot mentioned this pull request Mar 24, 2025
UBSan: Calling a function through pointer to incorrect function type is undefined behavior #111178
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picnixz
picnixz approved these changes Mar 24, 2025
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You can remove the explicit cast to _Py_once_fn_t:

    _PyOnceFlag_CallOnce(&self->once, (_Py_once_fn_t *)force_done, self);

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@bedevere-app bedevere-app Bot added awaiting merge and removed awaiting core review labels Mar 24, 2025
@vstinner
Remove now useless cast
903082c
@vstinner
vstinner enabled auto-merge (squash) March 24, 2025 13:32
@vstinner
vstinner merged commit 78f1bac into python:main Mar 24, 2025
@vstinner
vstinner deleted the ubsan_test_threading branch March 24, 2025 13:56
@bedevere-app bedevere-app Bot removed the awaiting merge label Mar 24, 2025
diegorusso pushed a commit to diegorusso/cpython that referenced this pull request Apr 1, 2025
@vstinner @diegorusso
pythongh-111178: Fix function signature for test_threading (python#13…
62bbd1e
…1663)
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@picnixz picnixz picnixz approved these changes

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@vstinner @picnixz
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