From: Kumar Aditya <59607654+kumaraditya303@users.noreply.github.com>
Date: Fri, 12 May 2023 12:57:06 +0000 (+0530)
Subject: GH-104371: check return value of calling `mv.release` (#104417)
X-Git-Tag: v3.12.0b1~145
X-Git-Url: http://git.ipfire.org/gitweb.cgi?a=commitdiff_plain;h=a052be4c0d9707ebdb935b8314ed22e8d3d99fc0;p=thirdparty%2FPython%2Fcpython.git

GH-104371: check return value of calling `mv.release` (#104417)
---

diff --git a/Objects/typeobject.c b/Objects/typeobject.c
index a1ad5021c415..c1525320a7cb 100644
--- a/Objects/typeobject.c
+++ b/Objects/typeobject.c
@@ -9158,7 +9158,13 @@ releasebuffer_call_python(PyObject *self, Py_buffer *buffer)
         Py_DECREF(ret);
     }
     if (!is_buffer_wrapper) {
-        PyObject_CallMethodNoArgs(mv, &_Py_ID(release));
+        PyObject *res = PyObject_CallMethodNoArgs(mv, &_Py_ID(release));
+        if (res == NULL) {
+            PyErr_WriteUnraisable(self);
+        }
+        else {
+            Py_DECREF(res);
+        }
     }
     Py_DECREF(mv);
 end: