From 704e2d374f88bca83339b95d559b0abce12dc6bd Mon Sep 17 00:00:00 2001 From: Christian Heimes Date: Fri, 26 Jul 2013 22:49:26 +0200 Subject: Issue #18560: Fix potential NULL pointer dereference in sum() --- Python/bltinmodule.c | 5 +++++ 1 file changed, 5 insertions(+) (limited to 'Python/bltinmodule.c') diff --git a/Python/bltinmodule.c b/Python/bltinmodule.c index 4fe8dace59..b07ee8ec32 100644 --- a/Python/bltinmodule.c +++ b/Python/bltinmodule.c @@ -2009,6 +2009,11 @@ builtin_sum(PyObject *self, PyObject *args) } /* Either overflowed or is not an int. Restore real objects and process normally */ result = PyLong_FromLong(i_result); + if (result == NULL) { + Py_DECREF(item); + Py_DECREF(iter); + return NULL; + } temp = PyNumber_Add(result, item); Py_DECREF(result); Py_DECREF(item); -- cgit v1.2.1