diff --git a/ap/lib/libssl/openssl-1.1.1o/util/check-malloc-errs b/ap/lib/libssl/openssl-1.1.1o/util/check-malloc-errs
new file mode 100755
index 0000000..1e63240
--- /dev/null
+++ b/ap/lib/libssl/openssl-1.1.1o/util/check-malloc-errs
@@ -0,0 +1,16 @@
+#! /bin/sh
+# Copyright 2018 The OpenSSL Project Authors. All Rights Reserved.
+#
+# Licensed under the OpenSSL license (the "License").  You may not use
+# this file except in compliance with the License.  You can obtain a copy
+# in the file LICENSE in the source distribution or at
+# https://www.openssl.org/source/license.html
+
+(
+    pcregrep -rnM 'OPENSSL_.?alloc.*\n.*if.*NULL.*\n.*return'  crypto ssl
+    pcregrep -rnM 'if.*OPENSSL_.?alloc.*NULL.*\n.*.*return' crypto ssl
+) | tee /tmp/out$$
+X=0
+test -s /tmp/out$$ && X=1
+rm /tmp/out$$
+exit $X