From: Miss Islington (bot) <31488909+miss-islington@users.noreply.github.com>
Date: Wed, 25 Mar 2026 19:32:20 +0000 (+0100)
Subject: [3.13] gh-146244: Fix initconfig.c SET_ITEM macro leaks dict on expression failure... 
X-Git-Tag: v3.13.13~52
X-Git-Url: http://git.ipfire.org/gitweb.cgi?a=commitdiff_plain;h=fc4b4221e5f6cf53e61ccbf716165d6192b9fd40;p=thirdparty%2FPython%2Fcpython.git

[3.13] gh-146244: Fix initconfig.c SET_ITEM macro leaks dict on expression failure (GH-146246) (GH-146433)

(cherry picked from commit 9343518c6f413b2231b17c56065e5cf823aa0d2a)

Co-authored-by: Wulian233 <1055917385@qq.com>
---

diff --git a/Python/initconfig.c b/Python/initconfig.c
index 6417dffbb1e5..61570f880d9f 100644
--- a/Python/initconfig.c
+++ b/Python/initconfig.c
@@ -353,7 +353,7 @@ _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); \