1#!/usr/bin/python3 2 3# Copyright 2020 Google LLC 4# 5# Licensed under the Apache License, Version 2.0 (the "License"); 6# you may not use this file except in compliance with the License. 7# You may obtain a copy of the License at 8# 9# http://www.apache.org/licenses/LICENSE-2.0 10# 11# Unless required by applicable law or agreed to in writing, software 12# distributed under the License is distributed on an "AS IS" BASIS, 13# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 14# See the License for the specific language governing permissions and 15# limitations under the License. 16import sys 17import atheris 18with atheris.instrument_imports(): 19 import yaml.reader 20 21@atheris.instrument_func 22def TestOneInput(data): 23 if len(data) < 1: 24 return 25 try: 26 stream = yaml.reader.Reader(data) 27 while stream.peek() != u'\0': 28 stream.forward() 29 except yaml.reader.ReaderError: 30 None 31 32 return 33 34def main(): 35 atheris.Setup(sys.argv, TestOneInput) 36 atheris.Fuzz() 37 38if __name__ == "__main__": 39 main() 40