pythongh-116296: Fix refleak in reduce_newobj() corner case (python#116297)

erlend-aasland · brandtbucher · web-flow · commit 17c484998190 · 2024-03-04T09:46:18.000Z
Co-authored-by: Brandt Bucher &lt;brandtbucher@microsoft.com&gt;
diff --git a/Misc/NEWS.d/next/Core and Builtins/2024-03-04-10-19-51.gh-issue-116296.gvtxyU.rst b/Misc/NEWS.d/next/Core and Builtins/2024-03-04-10-19-51.gh-issue-116296.gvtxyU.rst
@@ -0,0 +1 @@
+Fix possible refleak in :meth:`!object.__reduce__` internal error handling.
diff --git a/Objects/typeobject.c b/Objects/typeobject.c
@@ -6549,6 +6549,7 @@ reduce_newobj(PyObject *obj)
     }
     else {
         /* args == NULL */
+        Py_DECREF(copyreg);
         Py_DECREF(kwargs);
         PyErr_BadInternalCall();
         return NULL;

Original file line number	Diff line number	Diff line change
`@@ -0,0 +1 @@`
	`1`	+Fix possible refleak in :meth:`!object.__reduce__` internal error handling.