From: Victor Stinner <victor.stinner@gmail.com>
Date: Fri, 19 Aug 2016 15:58:54 +0000 (+0200)
Subject: Fix a refleak in call_maybe()
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=42e9d94bc5d7134461a03afe9526e0926ed223dc;p=python

Fix a refleak in call_maybe()

Issue #27128. Fix a reference leak if creating the tuple to pass positional
parameters fails.
---

diff --git a/Objects/typeobject.c b/Objects/typeobject.c
index 00995d481d..950835c6b7 100644
--- a/Objects/typeobject.c
+++ b/Objects/typeobject.c
@@ -1314,8 +1314,10 @@ call_maybe(PyObject *o, char *name, PyObject **nameobj, char *format, ...)
 
     va_end(va);
 
-    if (args == NULL)
+    if (args == NULL) {
+        Py_DECREF(func);
         return NULL;
+    }
 
     assert(PyTuple_Check(args));
     retval = PyObject_Call(func, args, NULL);