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[3.13] gh-143309: fix UAF in os.execve when the environment is concurrently mutated (GH-143314) #143399

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miss-islington wants to merge 4 commits into from
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[3.13] gh-143309: fix UAF in os.execve when the environment is concurrently mutated (GH-143314) #143399

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gh-143309: fix UAF in `os.execve` when the environment is concurrentl…
picnixz Jan 3, 2026
b6f9b52
Update Lib/test/test_os.py
picnixz Jan 3, 2026
9f9c4a4
Update Lib/test/test_os.py
picnixz Jan 3, 2026
f0964df
Update Lib/test/test_os.py
picnixz Jan 3, 2026
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Update Lib/test/test_os.py
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@picnixz
picnixz authored Jan 3, 2026
commit b6f9b529a9c6b361cc2acc8c7903205fa3ce7953
3 changes: 1 addition & 2 deletions Lib/test/test_os.py
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Expand Up @@ -2263,8 +2263,7 @@ def test_execve_env_concurrent_mutation_with_fspath_posix(self):
# Regression test for https://github.com/python/cpython/issues/143309.

message = "hello from execve"
code = """
import os, sys
code = """import os, sys
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class MyPath:
def __fspath__(self):
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