gh-122234: Add DECREFs to error paths (#122406)

Co-Authored-By: Kirill Podoprigora <kirill.bast9@mail.ru>

diff --git a/Python/bltinmodule.c b/Python/bltinmodule.c
index ae025e767ec838775b183685dfc9fc69b9893ede..99ed06972be98e9a4b11143084067064405ef98a 100644 (file)
--- a/Python/bltinmodule.c
+++ b/Python/bltinmodule.c
@@ -2694,6 +2694,8 @@ builtin_sum_impl(PyObject *module, PyObject *iterable, PyObject *start)
                     continue;
                 }
                 else {
+                    Py_DECREF(item);
+                    Py_DECREF(iter);
                     return NULL;
                 }
             }
@@ -2745,6 +2747,8 @@ builtin_sum_impl(PyObject *module, PyObject *iterable, PyObject *start)
                     continue;
                 }
                 else {
+                    Py_DECREF(item);
+                    Py_DECREF(iter);
                     return NULL;
                 }
             }