mirror of https://github.com/google/oss-fuzz.git
66 lines
1.7 KiB
Python
66 lines
1.7 KiB
Python
#!/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 atheris
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import sys
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with atheris.instrument_imports():
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from io import StringIO
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import numpy as np
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def get_fuzz_types():
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# Define the rows
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dtype = np.dtype(
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[('f0', np.uint16), ('f1', np.float64), ('f2', 'S7'), ('f3', np.int8)]
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)
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# An expected match
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expected = np.array(
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[
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(1, 2.4, "a", -34),
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(2, 3.1, "b", 29),
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(3, 9.9, "g", 120),
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],
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dtype=dtype
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)
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return dtype, expected
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def TestOneInput(fuzz_data):
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dtype, expected = get_fuzz_types()
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fdp = atheris.FuzzedDataProvider(fuzz_data)
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new_data = StringIO(fdp.ConsumeString(sys.maxsize))
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try:
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np.loadtxt(new_data, dtype=dtype, delimiter=";", skiprows=True)
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# Catch all of the exceptions that are caught in
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# https://github.com/numpy/numpy/blob/main/numpy/lib/tests/test_loadtxt.py
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except StopIteration:
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return
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except ValueError:
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return
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except IndexError:
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return
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except TypeError:
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return
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except RuntimeError:
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return
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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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