Fixed integer overflow in array.buffer_info().

serhiy-storchaka · serhiy-storchaka · commit 9e941d6373ea · 2016-06-23T23:55:34.000+03:00
diff --git a/Modules/arraymodule.c b/Modules/arraymodule.c
@@ -1268,7 +1268,7 @@ array_array_buffer_info_impl(arrayobject *self)
     }
     PyTuple_SET_ITEM(retval, 0, v);
 
-    v = PyLong_FromLong((long)(Py_SIZE(self)));
+    v = PyLong_FromSsize_t(Py_SIZE(self));
     if (v == NULL) {
         Py_DECREF(retval);
         return NULL;

Original file line number	Diff line number	Diff line change
`@@ -1268,7 +1268,7 @@ array_array_buffer_info_impl(arrayobject *self)`
`1268`	`1268`	`}`
`1269`	`1269`	`PyTuple_SET_ITEM(retval, 0, v);`
`1270`	`1270`
`1271`		`- v = PyLong_FromLong((long)(Py_SIZE(self)));`
	`1271`	`+ v = PyLong_FromSsize_t(Py_SIZE(self));`
`1272`	`1272`	`if (v == NULL) {`
`1273`	`1273`	`Py_DECREF(retval);`
`1274`	`1274`	`return NULL;`