gh-95369: add missing decref in error case of exception group's split (GH-95370)

iritkatriel · web-flow · commit bceb197947bb · 2022-07-28T11:38:46.000+01:00
diff --git a/Objects/exceptions.c b/Objects/exceptions.c
@@ -1106,6 +1106,7 @@ exceptiongroup_split_recursive(PyObject *exc,
             assert(PyList_CheckExact(match_list));
             if (PyList_Append(match_list, rec_result.match) < 0) {
                 Py_DECREF(rec_result.match);
+                Py_XDECREF(rec_result.rest);
                 goto done;
             }
             Py_DECREF(rec_result.match);

Original file line number	Diff line number	Diff line change
`@@ -1106,6 +1106,7 @@ exceptiongroup_split_recursive(PyObject *exc,`
`1106`	`1106`	`assert(PyList_CheckExact(match_list));`
`1107`	`1107`	`if (PyList_Append(match_list, rec_result.match) < 0) {`
`1108`	`1108`	`Py_DECREF(rec_result.match);`
	`1109`	`+ Py_XDECREF(rec_result.rest);`
`1109`	`1110`	`goto done;`
`1110`	`1111`	`}`
`1111`	`1112`	`Py_DECREF(rec_result.match);`