gh-102251: Fix reference leak in _testsinglephase initialization (GH-…

…105082) Correctly decref 'initialized' in init_module() (cherry picked from commit d14eb34) Co-authored-by: sunmy2019 <59365878+sunmy2019@users.noreply.github.com> Co-authored-by: Erlend E. Aasland <erlend.aasland@protonmail.com>
python · erlend-aasland · May 30, 2023 · May 30, 2023 · May 30, 2023 · 7924bd62f1ce2116dc573f8be51ebf84c8c57a6a
commit 7924bd62f1ce2116dc573f8be51ebf84c8c57a6a
diff --git a/Modules/_testsinglephase.c b/Modules/_testsinglephase.c
@@ -140,7 +140,9 @@ init_module(PyObject *module, module_state *state)
    if (initialized == NULL) {
        return -1;
    }
-    if (PyModule_AddObjectRef(module, "_module_initialized", initialized) != 0) {
+    int rc = PyModule_AddObjectRef(module, "_module_initialized", initialized);
+    Py_DECREF(initialized);
+    if (rc < 0) {
        return -1;
    }