Add a missing decref in _Py_CheckMainModule().

ericsnowcurrently · ericsnowcurrently · commit 364d81c9681d · 2025-06-17T11:27:18.000-06:00
diff --git a/Python/pystate.c b/Python/pystate.c
@@ -1142,6 +1142,7 @@ _Py_CheckMainModule(PyObject *module)
         PyObject *msg = PyUnicode_FromString("invalid __main__ module");
         if (msg != NULL) {
             (void)PyErr_SetImportError(msg, &_Py_ID(__main__), NULL);
+            Py_DECREF(msg);
         }
         return -1;
     }

Original file line number	Diff line number	Diff line change
`@@ -1142,6 +1142,7 @@ _Py_CheckMainModule(PyObject *module)`
`1142`	`1142`	`PyObject *msg = PyUnicode_FromString("invalid __main__ module");`
`1143`	`1143`	`if (msg != NULL) {`
`1144`	`1144`	`(void)PyErr_SetImportError(msg, &_Py_ID(__main__), NULL);`
	`1145`	`+ Py_DECREF(msg);`
`1145`	`1146`	`}`
`1146`	`1147`	`return -1;`
`1147`	`1148`	`}`