Plug a memory leak in list(), when appending to the result list.
diff --git a/Objects/abstract.c b/Objects/abstract.c
index a5f97a1..8ee1e5a 100644
--- a/Objects/abstract.c
+++ b/Objects/abstract.c
@@ -1291,11 +1291,15 @@
break;
}
if (i < n)
- PyList_SET_ITEM(result, i, item);
- else if (PyList_Append(result, item) < 0) {
- Py_DECREF(result);
- result = NULL;
- break;
+ PyList_SET_ITEM(result, i, item); /* steals ref */
+ else {
+ int status = PyList_Append(result, item);
+ Py_DECREF(item); /* append creates a new ref */
+ if (status < 0) {
+ Py_DECREF(result);
+ result = NULL;
+ break;
+ }
}
}