From: Guido van Rossum <guido@python.org>
Date: Sun, 17 Aug 1997 16:25:45 +0000 (+0000)
Subject: PyTuple_SetItem should require that the tuple's refcnt is one!
X-Git-Tag: v1.5a4~389
X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=787bdd37a0817d038aff9ea45d06ceb14dccece4;p=thirdparty%2FPython%2Fcpython.git

PyTuple_SetItem should require that the tuple's refcnt is one!
---

diff --git a/Objects/tupleobject.c b/Objects/tupleobject.c
index 0faedb480aeb..d6fb6b4d6457 100644
--- a/Objects/tupleobject.c
+++ b/Objects/tupleobject.c
@@ -133,7 +133,7 @@ PyTuple_SetItem(op, i, newitem)
 {
 	register PyObject *olditem;
 	register PyObject **p;
-	if (!PyTuple_Check(op)) {
+	if (!PyTuple_Check(op) || op->ob_refcnt != 1) {
 		Py_XDECREF(newitem);
 		PyErr_BadInternalCall();
 		return -1;