bpo-34503: Fix refleak in PyErr_SetObject() (GH-8934)

miss-islington · Alexey Izbyshev · web-flow · commit 204fb459ca1d · 2018-08-26T13:13:46.000-04:00
(cherry picked from commit a2eefa6) Co-authored-by: Alexey Izbyshev <izbyshev@ispras.ru>
diff --git a/Python/errors.c b/Python/errors.c
@@ -97,6 +97,7 @@ PyErr_SetObject(PyObject *exception, PyObject *value)
             fixed_value = _PyErr_CreateException(exception, value);
             Py_XDECREF(value);
             if (fixed_value == NULL) {
+                Py_DECREF(exc_value);
                 return;
             }
 

Original file line number	Diff line number	Diff line change
`@@ -97,6 +97,7 @@ PyErr_SetObject(PyObject exception, PyObject value)`
`97`	`97`	`fixed_value = _PyErr_CreateException(exception, value);`
`98`	`98`	`Py_XDECREF(value);`
`99`	`99`	`if (fixed_value == NULL) {`
	`100`	`+ Py_DECREF(exc_value);`
`100`	`101`	`return;`
`101`	`102`	`}`
`102`	`103`