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gh-134100: Fix use-after-free in PyImport_ImportModuleLevelObject (#134117)

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Nico-Posada 2025-05-18 03:11:38 -04:00 • committed by GitHub
parent fa4e088668
commit 4e9005d32f
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3 changed files with 20 additions and 1 deletions
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4
Python/import.c
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@ -3854,15 +3854,17 @@ PyImport_ImportModuleLevelObject(PyObject *name, PyObject *globals,
}
final_mod = import_get_module(tstate, to_return);
Py_DECREF(to_return);
if (final_mod == NULL) {
if (!_PyErr_Occurred(tstate)) {
_PyErr_Format(tstate, PyExc_KeyError,
"%R not in sys.modules as expected",
to_return);
}
Py_DECREF(to_return);
goto error;
}
Py_DECREF(to_return);
}
}
else {