[issue33630] test_posix: TestPosixSpawn fails on PPC64 Fedora 3.x

[Serhiy Storchaka]

Serhiy Storchaka <storchaka+cpython at gmail.com> added the comment:

The race condition is in tests (we can open a file before it be written in a child). The reed memory reusage is in the posix module. Didn't look at it close, but seems the content of a temporary Python object (the result of encoding/decoding) is passed to C library function, and this object is freed before the content be used.

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<https://bugs.python.org/issue33630>
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