Coverage for /pythoncovmergedfiles/medio/medio/src/fuzz_serialization_roundtrip.py: 48%

1###### Coverage stub 

2import atexit 

3import coverage 

4cov = coverage.coverage(data_file='.coverage', cover_pylib=True) 

5cov.start() 

6# Register an exist handler that will print coverage 

7def exit_handler(): 

8 cov.stop() 

9 cov.save() 

10atexit.register(exit_handler) 

11####### End of coverage stub 

12#!/usr/bin/python3 

13# Copyright 2023 Google LLC 

14# 

15# Licensed under the Apache License, Version 2.0 (the "License"); 

16# you may not use this file except in compliance with the License. 

17# You may obtain a copy of the License at 

18# 

19# http://www.apache.org/licenses/LICENSE-2.0 

20# 

21# Unless required by applicable law or agreed to in writing, software 

22# distributed under the License is distributed on an "AS IS" BASIS, 

23# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 

24# See the License for the specific language governing permissions and 

25# limitations under the License. 

26import sys 

27import atheris 

28import joblib 

29import traceback 

30 

31def TestOneInput(data): 

32 fdp = atheris.FuzzedDataProvider(data) 

33 fuzz_filename = '/tmp/file_to_load' 

34 with open(fuzz_filename, 'wb') as fuzz_file: 

35 fuzz_file.write(data) 

36 

37 try: 

38 loaded_obj = joblib.load(fuzz_filename) 

39 except Exception as e: 

40 tb = ''.join(traceback.TracebackException.from_exception(e).format()) 

41 if "pickle.py" in tb: 

42 # Ignore exceptions thrown from the pickle level. 

43 return 

44 raise e 

45 

46 # Anything loadable should be dumpable 

47 joblib.dump(loaded_obj, '/tmp/file_to_dump') 

48 

49def main(): 

50 atheris.instrument_all() 

51 atheris.Setup(sys.argv, TestOneInput) 

52 atheris.Fuzz() 

53 

54 

55if __name__ == "__main__": 

56 main()