Terry J. Reedy <tjre...@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.
----------
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 <rep...@bugs.python.org>
<https://bugs.python.org/issue42887>
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