From: Zackery Spytz <zspytz@gmail.com>
Date: Tue, 26 Mar 2019 06:05:29 +0000 (-0600)
Subject: bpo-36430: Fix a possible reference leak in itertools.count(). (GH-12551)
X-Git-Tag: v3.8.0a4~341
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=0523c39e7720b82b38ad793d3f1a5681adcdf873;p=python

bpo-36430: Fix a possible reference leak in itertools.count(). (GH-12551)
---

diff --git a/Misc/NEWS.d/next/Core and Builtins/2019-03-25-23-37-26.bpo-36430.sd9xxQ.rst b/Misc/NEWS.d/next/Core and Builtins/2019-03-25-23-37-26.bpo-36430.sd9xxQ.rst
new file mode 100644
index 0000000000..a65ee096ef
--- /dev/null
+++ b/Misc/NEWS.d/next/Core and Builtins/2019-03-25-23-37-26.bpo-36430.sd9xxQ.rst	
@@ -0,0 +1 @@
+Fix a possible reference leak in :func:`itertools.count`.
diff --git a/Modules/itertoolsmodule.c b/Modules/itertoolsmodule.c
index 536f7fa625..103029d251 100644
--- a/Modules/itertoolsmodule.c
+++ b/Modules/itertoolsmodule.c
@@ -4089,6 +4089,7 @@ itertools_count_impl(PyTypeObject *type, PyObject *long_cnt,
     lz = (countobject *)type->tp_alloc(type, 0);
     if (lz == NULL) {
         Py_XDECREF(long_cnt);
+        Py_DECREF(long_step);
         return NULL;
     }
     lz->cnt = cnt;