commit 602d307ac5e8a2da38a193dca3bdfef5994dfe67
author Zackery Spytz <zspytz@gmail.com> Fri Dec 07 05:17:43 2018 -0700
committer Serhiy Storchaka <storchaka@gmail.com> Fri Dec 07 14:17:43 2018 +0200
tree 8e876e0142683a7564a391dc6396bc6d33f08639
parent 2db190bb356d00422087e1286637887efb8d97c5

bpo-35436: Add missing PyErr_NoMemory() calls and other minor bug fixes. (GH-11015) (GH-11020)

(cherry picked from commit 4c49da0cb7434c676d70b9ccf38aca82ac0d64a9)

Modules/_abc.c

diff --git a/Modules/_abc.c b/Modules/_abc.c
index 9de199f..36c1757 100644
--- a/Modules/_abc.c
+++ b/Modules/_abc.c
@@ -728,6 +728,10 @@
     // Weakref callback may remove entry from set.
     // So we take snapshot of registry first.
     PyObject **copy = PyMem_Malloc(sizeof(PyObject*) * registry_size);
+    if (copy == NULL) {
+        PyErr_NoMemory();
+        return -1;
+    }
     PyObject *key;
     Py_ssize_t pos = 0;
     Py_hash_t hash;