commit 482c05cbb5506a5332e435ffdd2c32ae62e7b9a1
author Raymond Hettinger <python@rcn.com> Mon Jul 20 01:23:32 2015 -0400
committer Raymond Hettinger <python@rcn.com> Mon Jul 20 01:23:32 2015 -0400
tree e42d9100d7dfef1c818f21285413db9642737ecc
parent cfe5b6ca04a14ef1ba42e78bf6da05cfa9c0b66b

Issue #24583: Fix refcount leak.

Objects/setobject.c

diff --git a/Objects/setobject.c b/Objects/setobject.c
index fbac596..83bff81 100644
--- a/Objects/setobject.c
+++ b/Objects/setobject.c
@@ -223,9 +223,13 @@
     entry->hash = hash;
     if ((size_t)so->fill*3 < mask*2)
         return 0;
-    return set_table_resize(so, so->used);
+    if (!set_table_resize(so, so->used))
+        return 0;
+    Py_INCREF(key);
+    return -1;
 
   found_active:
+    Py_DECREF(key);
     return 0;
 }