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gh-97591: In Exception.__setstate__() acquire strong references before calling tp_hash slot (#97700)

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Ofey Chan 2022-10-02 11:57:17 +08:00 • committed by GitHub
parent 8baef8ae36
commit d639438609
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3 changed files with 34 additions and 1 deletions
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8
Objects/exceptions.c
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@ -167,8 +167,14 @@ BaseException_setstate(PyObject *self, PyObject *state)
return NULL;
}
while (PyDict_Next(state, &i, &d_key, &d_value)) {
if (PyObject_SetAttr(self, d_key, d_value) < 0)
Py_INCREF(d_key);
Py_INCREF(d_value);
int res = PyObject_SetAttr(self, d_key, d_value);
Py_DECREF(d_value);
Py_DECREF(d_key);
if (res < 0) {
return NULL;
}
}
}
Py_RETURN_NONE;