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[3.13] gh-130163: Fix a leak in _pickle.c after backporting (GH-130568)

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Serhiy Storchaka 2025-02-26 12:47:41 +02:00 • committed by GitHub
parent 75358a8e95
commit 2ab7e1135a
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7
Modules/_pickle.c
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@ -1938,9 +1938,11 @@ whichmodule(PyObject *global, PyObject *dotted_path)
i = 0;
while (PyDict_Next(modules, &i, &module_name, &module)) {
if (_checkmodule(module_name, module, global, dotted_path) == 0) {
Py_DECREF(modules);
return Py_NewRef(module_name);
}
if (PyErr_Occurred()) {
Py_DECREF(modules);
return NULL;
}
}
@ -1948,6 +1950,7 @@ whichmodule(PyObject *global, PyObject *dotted_path)
else {
PyObject *iterator = PyObject_GetIter(modules);
if (iterator == NULL) {
Py_DECREF(modules);
return NULL;
}
while ((module_name = PyIter_Next(iterator))) {
@ -1955,22 +1958,26 @@ whichmodule(PyObject *global, PyObject *dotted_path)
if (module == NULL) {
Py_DECREF(module_name);
Py_DECREF(iterator);
Py_DECREF(modules);
return NULL;
}
if (_checkmodule(module_name, module, global, dotted_path) == 0) {
Py_DECREF(module);
Py_DECREF(iterator);
Py_DECREF(modules);
return module_name;
}
Py_DECREF(module);
Py_DECREF(module_name);
if (PyErr_Occurred()) {
Py_DECREF(iterator);
Py_DECREF(modules);
return NULL;
}
}
Py_DECREF(iterator);
}
Py_DECREF(modules);
/* If no module is found, use __main__. */
return &_Py_ID(__main__);