pythongh-146244: Fix initconfig.c SET_ITEM macro leaks dict on expression failure (pythonGH-146246)

Wulian233 · clin1234 · commit 41d4bf95b3e4 · 2026-04-16T20:41:13.000Z
diff --git a/Python/initconfig.c b/Python/initconfig.c
@@ -511,7 +511,7 @@ _Py_COMP_DIAG_IGNORE_DEPR_DECLS
         do { \
             obj = (EXPR); \
             if (obj == NULL) { \
-                return NULL; \
+                goto fail; \
             } \
             int res = PyDict_SetItemString(dict, (KEY), obj); \
             Py_DECREF(obj); \
