From 6817d2ca67cbaa8ab8c10ab831b51cb614d8c2c4 Mon Sep 17 00:00:00 2001
From: Catena cyber <35799796+catenacyber@users.noreply.github.com>
Date: Mon, 11 Jan 2021 18:05:12 +0100
Subject: [PATCH] Adds target for pyyaml project (#4944)

---
 projects/pyyaml/fuzz_loader.py | 34 ++++++++++++++++++++++++++++++++++
 1 file changed, 34 insertions(+)
 create mode 100644 projects/pyyaml/fuzz_loader.py

diff --git a/projects/pyyaml/fuzz_loader.py b/projects/pyyaml/fuzz_loader.py
new file mode 100644
index 000000000..6600d842b
--- /dev/null
+++ b/projects/pyyaml/fuzz_loader.py
@@ -0,0 +1,34 @@
+#!/usr/bin/python3
+
+# Copyright 2021 Google LLC
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#      http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+import atheris
+
+import yaml
+
+
+def TestOneInput(input_bytes):
+  try:
+    context = yaml.load(input_bytes, Loader=yaml.FullLoader)
+  except yaml.YAMLError:
+    pass
+
+def main():
+  atheris.Setup(sys.argv, TestOneInput, enable_python_coverage=True)
+  atheris.Fuzz()
+
+
+if __name__ == "__main__":
+  main()