From: Zackery Spytz <zspytz@gmail.com>
Date: Sat, 30 May 2020 08:22:02 +0000 (-0600)
Subject: bpo-40061: Fix a possible refleak in _asynciomodule.c (GH-19748)
X-Git-Tag: v3.10.0a1~765
X-Git-Url: http://git.ipfire.org/gitweb.cgi?a=commitdiff_plain;h=7b78e7f9fd77bb3280ee39fb74b86772a7d46a70;p=thirdparty%2FPython%2Fcpython.git

bpo-40061: Fix a possible refleak in _asynciomodule.c (GH-19748)



tup should be decrefed in the unlikely event of a PyList_New()
failure.
---

diff --git a/Modules/_asynciomodule.c b/Modules/_asynciomodule.c
index 0608c40f6c33..0454f9c6824b 100644
--- a/Modules/_asynciomodule.c
+++ b/Modules/_asynciomodule.c
@@ -710,6 +710,7 @@ future_add_done_callback(FutureObj *fut, PyObject *arg, PyObject *ctx)
             else {
                 fut->fut_callbacks = PyList_New(1);
                 if (fut->fut_callbacks == NULL) {
+                    Py_DECREF(tup);
                     return NULL;
                 }