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GeezerVison is showing github.com — gh-111178: Fix PyRangeIter_Type deallocator by vstinner · Pull Request #131162 · python/cpython

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@vstinner

@vstinner vstinner commented Mar 12, 2025 •
edited by bedevere-app Bot
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Don't use PyObject_Free() as tp_dealloc to avoid an undefined behavior. Instead, use the default deallocator which just calls tp_free which is PyObject_Free().

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

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@vstinner
pythongh-111178: Fix PyRangeIter_Type deallocator
ffe1b57 
Don't use PyObject_Free() as tp_dealloc to avoid an undefined
behavior. Instead, use the default deallocator which just calls
tp_free which is PyObject_Free().
@vstinner vstinner added the skip news label Mar 12, 2025
@bedevere-app bedevere-app Bot added the awaiting core review label Mar 12, 2025
@bedevere-app bedevere-app Bot mentioned this pull request Mar 12, 2025
UBSan: Calling a function through pointer to incorrect function type is undefined behavior #111178
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@vstinner
vstinner merged commit 0c6c52f into python:main Mar 13, 2025
@bedevere-app bedevere-app Bot removed the awaiting core review label Mar 13, 2025
@vstinner
vstinner deleted the ubsan_range3 branch March 13, 2025 09:46
plashchynski pushed a commit to plashchynski/cpython that referenced this pull request Mar 17, 2025
@vstinner @plashchynski
pythongh-111178: Fix PyRangeIter_Type deallocator (python#131162)
90a66d5 
Don't use PyObject_Free() as tp_dealloc to avoid an undefined
behavior. Instead, use the default deallocator which just calls
tp_free which is PyObject_Free().
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@vstinner
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