Issue #13015: Fix a possible reference leak in defaultdict.__repr__.
Patch by Suman Saha.
diff --git a/Misc/NEWS b/Misc/NEWS
index 06ce404..0ef337c 100644
--- a/Misc/NEWS
+++ b/Misc/NEWS
@@ -113,6 +113,9 @@
Library
-------
+- Issue #13015: Fix a possible reference leak in defaultdict.__repr__.
+ Patch by Suman Saha.
+
- Issue #10287: nntplib now queries the server's CAPABILITIES first before
sending MODE READER, and only sends it if not already in READER mode.
Patch by Hynek Schlawack.
diff --git a/Modules/_collectionsmodule.c b/Modules/_collectionsmodule.c
index 5545d1e..4343159 100644
--- a/Modules/_collectionsmodule.c
+++ b/Modules/_collectionsmodule.c
@@ -1401,8 +1401,10 @@
{
int status = Py_ReprEnter(dd->default_factory);
if (status != 0) {
- if (status < 0)
+ if (status < 0) {
+ Py_DECREF(baserepr);
return NULL;
+ }
defrepr = PyUnicode_FromString("...");
}
else