[issue36236] Python crash on macOS when CWD is invalid

[László Kiss Kollár]

New submission from László Kiss Kollár <kiss.kollar.laszlo at gmail.com>:

CPython crashes with "pymain_compute_path0: memory allocation failed" when attempting to execute it with a library module from a previously deleted directory.

To reproduce:

cd ~/tmp/python_crash

rm -rf ~/tmp/python_crash

python3.7 -m pdb
Fatal Python error: pymain_compute_path0: memory allocation failed
ValueError: character U+ef3a8fe0 is not in range [U+0000; U+10ffff]

Current thread 0x000000011060e5c0 (most recent call first):

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components: macOS
messages: 337469
nosy: lkollar, ned.deily, ronaldoussoren
priority: normal
severity: normal
status: open
title: Python crash on macOS when CWD is invalid
versions: Python 3.7

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Python tracker <report at bugs.python.org>
<https://bugs.python.org/issue36236>
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