oss-fuzz/projects/proto-plus-python/fuzz_json_serialization.py

50 lines
1.3 KiB
Python

#!/usr/bin/python3
# Copyright 2022 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 sys
import atheris
import proto
from google.protobuf.json_format import ParseError
def TestOneInput(data):
fdp = atheris.FuzzedDataProvider(data)
class FuzzMsg(proto.Message):
val1 = proto.Field(proto.FLOAT, number=1)
val2 = proto.Field(proto.INT32, number=2)
val3 = proto.Field(proto.BOOL, number=3)
val4 = proto.Field(proto.STRING, number=4)
try:
s = FuzzMsg.from_json(fdp.ConsumeUnicodeNoSurrogates(sys.maxsize))
FuzzMsg.to_json(s)
except ParseError:
pass
except TypeError:
pass
except RecursionError:
pass
def main():
atheris.instrument_all()
atheris.Setup(sys.argv, TestOneInput, enable_python_coverage=True)
atheris.Fuzz()
if __name__ == "__main__":
main()