From 7bb9cd0a6766fd3e7b3c1e8f2315304ae192b34c Mon Sep 17 00:00:00 2001 From: Zackery Spytz Date: Fri, 5 Oct 2018 15:02:23 -0600 Subject: [PATCH] bpo-34899: Fix a possible assertion failure due to int_from_bytes_impl() (GH-9705) The _PyLong_FromByteArray() call in int_from_bytes_impl() was unchecked. --- Objects/longobject.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/Objects/longobject.c b/Objects/longobject.c index afe30bc0532..ae3a98cc791 100644 --- a/Objects/longobject.c +++ b/Objects/longobject.c @@ -5403,7 +5403,7 @@ int_from_bytes_impl(PyTypeObject *type, PyObject *bytes_obj, little_endian, is_signed); Py_DECREF(bytes); - if (type != &PyLong_Type) { + if (long_obj != NULL && type != &PyLong_Type) { Py_SETREF(long_obj, PyObject_CallFunctionObjArgs((PyObject *)type, long_obj, NULL)); }