[issue42887] 100000 assignments of .__sizeof__ cause a segfault on del

[Terry J. Reedy]

Terry J. Reedy <tjreedy at udel.edu> added the comment:

Xinmeng, to verify Ronald's explanation, run this instead

mystr  = "hello123"
for x in range(1000000):
    mystr = mystr.__sizeof__()
input('>')  # Hit Enter to continue.
del mystr   # Expect crash here.
input('<')  # And never get here.

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nosy: +terry.reedy
title: Multiple assignments of attribute "__sizeof__" will cause a segfault -> 100000 assignments of .__sizeof__  cause a segfault on del

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Python tracker <report at bugs.python.org>
<https://bugs.python.org/issue42887>
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