[Python-checkins] bpo-34899: Fix a possible assertion failure due to int_from_bytes_impl() (GH-9705)
Miss Islington (bot)
webhook-mailer at python.org
Fri Oct 5 17:24:30 EDT 2018
https://github.com/python/cpython/commit/526929be39e139a7d89f4c363d79c28566f30d71
commit: 526929be39e139a7d89f4c363d79c28566f30d71
branch: 3.6
author: Miss Islington (bot) <31488909+miss-islington at users.noreply.github.com>
committer: GitHub <noreply at github.com>
date: 2018-10-05T14:24:25-07:00
summary:
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.
(cherry picked from commit 7bb9cd0a6766fd3e7b3c1e8f2315304ae192b34c)
Co-authored-by: Zackery Spytz <zspytz at gmail.com>
files:
M Objects/longobject.c
diff --git a/Objects/longobject.c b/Objects/longobject.c
index c3c0949189d8..3864cec97a0a 100644
--- a/Objects/longobject.c
+++ b/Objects/longobject.c
@@ -5302,7 +5302,7 @@ long_from_bytes(PyTypeObject *type, PyObject *args, PyObject *kwds)
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));
}
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