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

(cherry picked from commit a2eefa67542c25617a58c03a27c17fd48e2a0856)

Co-authored-by: Alexey Izbyshev <izbyshev@ispras.ru>

diff --git a/Python/errors.c b/Python/errors.c
index 78c0524a1d8a2ad7dbdd8a555ba2d1356ba49a89..a08936dda8732d2f6058eb54a5877b4a3068bf6f 100644 (file)
--- 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;
             }