oss-fuzz/projects/opt_einsum/fuzz_parser.py

46 lines
1.2 KiB
Python

#!/usr/bin/python3
# Copyright 2023 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 numpy as np
from opt_einsum.parser import parse_einsum_input
def TestOneInput(data):
fdp = atheris.FuzzedDataProvider(data)
# Create a numpy array with fuzzer-seeded entries.
ops = np.array(
[fdp.ConsumeFloat(), fdp.ConsumeFloat(), fdp.ConsumeFloat, fdp.ConsumeFloat()],
)
try:
parse_einsum_input(
[fdp.ConsumeUnicodeNoSurrogates(sys.maxsize), *ops],
shapes=fdp.ConsumeBool()
)
except ValueError:
# Raised by einsum parsing
pass
def main():
atheris.instrument_all()
atheris.Setup(sys.argv, TestOneInput)
atheris.Fuzz()
if __name__ == "__main__":
main()