From: Dong-hee Na <donghee.na@python.org>
Date: Fri, 11 Feb 2022 08:48:47 +0000 (+0900)
Subject: bpo-46323: Fix double-free issue for borrowed refs (GH-31272)
X-Git-Tag: v3.11.0a6~236
X-Git-Url: http://git.ipfire.org/gitweb.cgi?a=commitdiff_plain;h=0ac5372bf6b937ed44a8f9c4e402d024fcd80870;p=thirdparty%2FPython%2Fcpython.git

bpo-46323: Fix double-free issue for borrowed refs (GH-31272)
---

diff --git a/Modules/_ctypes/callbacks.c b/Modules/_ctypes/callbacks.c
index 6037f5fd8428..bb59456a7321 100644
--- a/Modules/_ctypes/callbacks.c
+++ b/Modules/_ctypes/callbacks.c
@@ -189,7 +189,6 @@ static void _CallPythonObject(void *mem,
             CDataObject *obj = (CDataObject *)_PyObject_CallNoArgs(cnv);
             if (!obj) {
                 PrintError("create argument %zd:\n", i);
-                Py_DECREF(cnv);
                 goto Done;
             }
             if (!CDataObject_Check(obj)) {