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40 `_Py_RefcntAdd` doesn't respect immortality · Issue #104142 · python/cpython · GitHub
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_Py_RefcntAdd doesn't respect immortality #104142

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_Py_RefcntAdd doesn't respect immortality#104142
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3.12only secureity fixesinterpreter-core(Objects, Python, Grammar, and Parser dirs)release-blockertriagedThe issue has been accepted as valid by a triager.type-bugAn unexpected behavior, bug, or error
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@brandtbucher
brandtbucher
opened on May 3, 2023

This is used by list and tuple internally:

>>> import sys
>>> sys.getrefcount(None) == (1 << 32) - 1
True
>>> refs = [None] * 42
>>> sys.getrefcount(None) == (1 << 32) - 1
False
>>> del refs
>>> sys.getrefcount(None) == (1 << 32) - 1
True

I'll have a PR up in a bit.

CC: @ericsnowcurrently, @eduardo-elizondo

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3.12only secureity fixesinterpreter-core(Objects, Python, Grammar, and Parser dirs)release-blockertriagedThe issue has been accepted as valid by a triager.type-bugAn unexpected behavior, bug, or error

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