closes bpo-34474: Python/bltinmodule.c: Add missing NULL check in builtin_sum_impl...

Reported by Svace static analyzer.

diff --git a/Python/bltinmodule.c b/Python/bltinmodule.c
index 4b12048f9d56928d564d69c22716d9d42e382fb6..8aa1ba01d659c8add1a210619384995dd3325fc3 100644 (file)
--- a/Python/bltinmodule.c
+++ b/Python/bltinmodule.c
@@ -2401,6 +2401,11 @@ builtin_sum_impl(PyObject *module, PyObject *iterable, PyObject *start)
                 }
             }
             result = PyFloat_FromDouble(f_result);
+            if (result == NULL) {
+                Py_DECREF(item);
+                Py_DECREF(iter);
+                return NULL;
+            }
             temp = PyNumber_Add(result, item);
             Py_DECREF(result);
             Py_DECREF(item);