Fix reference leak in increment_longindex_lock_held

eendebakpt · eendebakpt · commit 551a741da5a0 · 2026-03-01T10:39:20.000+01:00
diff --git a/Objects/enumobject.c b/Objects/enumobject.c
@@ -188,6 +188,7 @@ increment_longindex_lock_held(enumobject *en)
     assert(next_index != NULL);
     PyObject *stepped_up = PyNumber_Add(next_index, en->one);
     if (stepped_up == NULL) {
+        Py_DECREF(next_index);
         return NULL;
     }
     en->en_longindex = stepped_up;

Original file line number	Diff line number	Diff line change
`@@ -188,6 +188,7 @@ increment_longindex_lock_held(enumobject *en)`
`188`	`188`	`assert(next_index != NULL);`
`189`	`189`	`PyObject *stepped_up = PyNumber_Add(next_index, en->one);`
`190`	`190`	`if (stepped_up == NULL) {`
	`191`	`+ Py_DECREF(next_index);`
`191`	`192`	`return NULL;`
`192`	`193`	`}`
`193`	`194`	`en->en_longindex = stepped_up;`