commit b709302f3125622986bd458dfb2954fda5e8366d
author Hai Shi <shihai1992@gmail.com> Sun Apr 05 03:24:16 2020 +0800
committer GitHub <noreply@github.com> Sat Apr 04 21:24:16 2020 +0200
tree a86af298ed71e6ee71c42802ef0ee969e43c48be
parent a94e6272f16381349dbed74cdb738ec8ae23b4fe

bpo-40077: Fix potential refleaks of _json: traverse memo (GH-19344)

Fix possible refleaks in _json module, memo of PyScannerObject
should be traversed. 

Modules/_json.c

diff --git a/Modules/_json.c b/Modules/_json.c
index 4682cf8..8117d16 100644
--- a/Modules/_json.c
+++ b/Modules/_json.c
@@ -652,6 +652,7 @@
     Py_VISIT(self->parse_float);
     Py_VISIT(self->parse_int);
     Py_VISIT(self->parse_constant);
+    Py_VISIT(self->memo);
     return 0;
 }