Non-NULL check before PyType_Check()

neonene · web-flow · commit 26b8f51709da · 2025-04-23T19:26:22.000+09:00
diff --git a/Modules/_datetimemodule.c b/Modules/_datetimemodule.c
@@ -164,7 +164,7 @@ _get_current_state(PyObject **p_mod)
 {
     PyInterpreterState *interp = PyInterpreterState_Get();
     datetime_state *st = interp->datetime_module_state;
-    if (st != NULL) {
+    if (st != NULL && st->isocalendar_date_type != NULL) {
         PyObject *mod = PyType_GetModule(st->isocalendar_date_type);
         assert(mod != NULL);
         *p_mod = Py_NewRef(mod);

Original file line number	Diff line number	Diff line change
`@@ -164,7 +164,7 @@ _get_current_state(PyObject **p_mod)`
`164`	`164`	`{`
`165`	`165`	`PyInterpreterState *interp = PyInterpreterState_Get();`
`166`	`166`	`datetime_state *st = interp->datetime_module_state;`
`167`		`- if (st != NULL) {`
	`167`	`+ if (st != NULL && st->isocalendar_date_type != NULL) {`
`168`	`168`	`PyObject *mod = PyType_GetModule(st->isocalendar_date_type);`
`169`	`169`	`assert(mod != NULL);`
`170`	`170`	`*p_mod = Py_NewRef(mod);`