mirror of https://github.com/google/oss-fuzz.git
77 lines
1.8 KiB
Python
77 lines
1.8 KiB
Python
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#!/usr/bin/python3
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# Copyright 2022 Google LLC
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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import sys
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import atheris
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import dask
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from dask.optimization import (
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fuse,
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fuse_linear,
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)
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from dask.utils_test import dec, inc, add
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def get_fuse_dict(data):
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fdp = atheris.FuzzedDataProvider(data)
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fuse_dict = dict()
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number_of_entries = fdp.ConsumeIntInRange(1, 50)
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operations = [dec, inc, add]
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previous_keys = list()
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key="a"
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fuse_dict[key] = 1
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previous_keys.append(key)
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for i in range(number_of_entries):
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newk=key+str(i)
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val_op = operations[fdp.ConsumeIntInRange(0, 2)]
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val_id = previous_keys[fdp.ConsumeIntInRange(0, len(previous_keys)-1)]
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fuse_dict[newk] = (val_op, val_id)
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previous_keys.append(newk)
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return fuse_dict
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@atheris.instrument_func
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def TestOneInput(data):
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if len(data) < 10:
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return
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fdp = atheris.FuzzedDataProvider(data)
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fuzzed_dict = get_fuse_dict(data)
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if len(fuzzed_dict) == 0:
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return
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if fdp.ConsumeBool():
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fuse(
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fuzzed_dict,
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rename_keys=fdp.ConsumeBool()
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)
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else:
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fuse_linear(
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fuzzed_dict,
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rename_keys=fdp.ConsumeBool()
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)
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def main():
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atheris.instrument_all()
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atheris.Setup(sys.argv, TestOneInput, enable_python_coverage=True)
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atheris.Fuzz()
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if __name__ == "__main__":
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main()
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