From: Neal Norwitz <nnorwitz@gmail.com>
Date: Sat, 28 Oct 2006 21:20:12 +0000 (+0000)
Subject: Prevent crash if alloc of garbage fails.  Found by Typo.pl.
X-Git-Tag: v2.6a1~2502
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=e7e4e2dfabe981f3ebb9a22d270c7dac6650ac9c;p=python

Prevent crash if alloc of garbage fails.  Found by Typo.pl.

Will backport.
---

diff --git a/Objects/listobject.c b/Objects/listobject.c
index bf4466a1a2..a1ac2cba10 100644
--- a/Objects/listobject.c
+++ b/Objects/listobject.c
@@ -2608,6 +2608,11 @@ list_ass_subscript(PyListObject* self, PyObject* item, PyObject* value)
 
 			garbage = (PyObject**)
 				PyMem_MALLOC(slicelength*sizeof(PyObject*));
+			if (!garbage) {
+				Py_DECREF(seq);
+				PyErr_NoMemory();
+				return -1;
+			}
 
 			selfitems = self->ob_item;
 			seqitems = PySequence_Fast_ITEMS(seq);