commit 60c919b58bd3cf8730947a00ddc6a527d6922ff1
author Miss Islington (bot) <31488909+miss-islington@users.noreply.github.com> Tue Dec 18 13:40:23 2018 -0800
committer GitHub <noreply@github.com> Tue Dec 18 13:40:23 2018 -0800
tree 6c7c70e074ec844b7890b411ebd4366dee6d3a1f
parent f265afec1c2a5acb8cb9c9ddb6cd45f7465c6eb5

bpo-35502: Fix reference leaks in ElementTree.TreeBuilder. (GH-11170)

(cherry picked from commit d2a75c67830d7c9f59e4e9b60f36974234c829ef)

Co-authored-by: Serhiy Storchaka <storchaka@gmail.com>

Modules/_elementtree.c

diff --git a/Modules/_elementtree.c b/Modules/_elementtree.c
index ff3a240..79f1ccd 100644
--- a/Modules/_elementtree.c
+++ b/Modules/_elementtree.c
@@ -2429,6 +2429,11 @@
 static int
 treebuilder_gc_traverse(TreeBuilderObject *self, visitproc visit, void *arg)
 {
+    Py_VISIT(self->end_ns_event_obj);
+    Py_VISIT(self->start_ns_event_obj);
+    Py_VISIT(self->end_event_obj);
+    Py_VISIT(self->start_event_obj);
+    Py_VISIT(self->events_append);
     Py_VISIT(self->root);
     Py_VISIT(self->this);
     Py_VISIT(self->last);