mirror of https://github.com/google/oss-fuzz.git
45 lines
1.3 KiB
Python
45 lines
1.3 KiB
Python
#!/usr/bin/python3
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# Copyright 2023 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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"""Create a random graph and pass it through the whole rendering process."""
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import sys
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import atheris
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import graphviz
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def TestOneInput(data):
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fdp = atheris.FuzzedDataProvider(data)
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g = graphviz.Graph('G', filename='/tmp/process.gv', engine='sfdp')
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for i in range(fdp.ConsumeIntInRange(1, 8196)):
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g.edge(fdp.ConsumeUnicodeNoSurrogates(24),
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fdp.ConsumeUnicodeNoSurrogates(24))
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try:
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g.view()
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except (
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NotImplementedError,
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graphviz.backend.execute.CalledProcessError,
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graphviz.backend.execute.ExecutableNotFound,
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):
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pass
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def main():
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atheris.instrument_all()
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atheris.Setup(sys.argv, TestOneInput)
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atheris.Fuzz()
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if __name__ == "__main__":
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main()
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