_Py_RefcntAdd doesn't respect immortality #104142

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_Py_RefcntAdd doesn't respect immortality#104142

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

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brandtbucher

opened on May 3, 2023

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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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• GH-104142: Fix _Py_RefcntAdd to respect immortality #104143

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

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