Issue #13015: Fix a possible reference leak in defaultdict.__repr__.
Patch by Suman Saha.
diff --git a/Misc/NEWS b/Misc/NEWS
index b8bcc21..0bfbd38 100644
--- a/Misc/NEWS
+++ b/Misc/NEWS
@@ -90,6 +90,9 @@
Library
-------
+- Issue #13015: Fix a possible reference leak in defaultdict.__repr__.
+ Patch by Suman Saha.
+
- Issue #13979: A bug in ctypes.util.find_library that caused
the wrong library name to be returned has been fixed.
diff --git a/Modules/_collectionsmodule.c b/Modules/_collectionsmodule.c
index ea5f779..ccc3043 100644
--- a/Modules/_collectionsmodule.c
+++ b/Modules/_collectionsmodule.c
@@ -1475,8 +1475,10 @@
{
int status = Py_ReprEnter(dd->default_factory);
if (status != 0) {
- if (status < 0)
+ if (status < 0) {
+ Py_DECREF(baserepr);
return NULL;
+ }
defrepr = PyString_FromString("...");
}
else