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bpo-33391: Fix refleak in set_symmetric_difference (GH-6670)

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lekma 2018-05-02 11:29:10 +02:00 committed by INADA Naoki
parent fc6aa28bfd
commit 491bbedc20
2 changed files with 4 additions and 1 deletions
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1
Misc/NEWS.d/next/Core and Builtins/2018-05-02-08-36-03.bpo-33391.z4a7rb.rst Normal file
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@ -0,0 +1 @@
Fix a leak in set_symmetric_difference().

4
Objects/setobject.c
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@ -1744,8 +1744,10 @@ set_symmetric_difference(PySetObject *so, PyObject *other)
if (otherset == NULL)
return NULL;
rv = set_symmetric_difference_update(otherset, (PyObject *)so);
if (rv == NULL)
if (rv == NULL) {
Py_DECREF(otherset);
return NULL;
}
Py_DECREF(rv);
return (PyObject *)otherset;
}