From: Hai Shi <shihai1992@gmail.com>
Date: Sat, 4 Apr 2020 19:24:16 +0000 (+0800)
Subject: bpo-40077: Fix potential refleaks of _json: traverse memo (GH-19344)
X-Git-Tag: v3.9.0a6~192
X-Git-Url: http://git.ipfire.org/gitweb.cgi?a=commitdiff_plain;h=b709302f3125622986bd458dfb2954fda5e8366d;p=thirdparty%2FPython%2Fcpython.git

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

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

diff --git a/Misc/NEWS.d/next/Core and Builtins/2020-04-04-12-43-19.bpo-40077.m15TTX.rst b/Misc/NEWS.d/next/Core and Builtins/2020-04-04-12-43-19.bpo-40077.m15TTX.rst
new file mode 100644
index 000000000000..21ed615917c5
--- /dev/null
+++ b/Misc/NEWS.d/next/Core and Builtins/2020-04-04-12-43-19.bpo-40077.m15TTX.rst	
@@ -0,0 +1 @@
+Fix possible refleaks in :mod:`_json`, memo of PyScannerObject should be traversed.
diff --git a/Modules/_json.c b/Modules/_json.c
index 4682cf84621e..8117d1601bd3 100644
--- a/Modules/_json.c
+++ b/Modules/_json.c
@@ -652,6 +652,7 @@ scanner_traverse(PyScannerObject *self, visitproc visit, void *arg)
     Py_VISIT(self->parse_float);
     Py_VISIT(self->parse_int);
     Py_VISIT(self->parse_constant);
+    Py_VISIT(self->memo);
     return 0;
 }