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Instrument test utility functions to increase fuzzer efficiency #1915

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May 15, 2024
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Instrument test utility functions to increase fuzzer efficiency #1915

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3 changes: 3 additions & 0 deletions fuzzing/fuzz-targets/fuzz_diff.py
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Original file line number Diff line number Diff line change
Expand Up @@ -17,16 +17,19 @@
class BytesProcessAdapter:
"""Allows bytes to be used as process objects returned by subprocess.Popen."""

@atheris.instrument_func
def __init__(self, input_string):
self.stdout = io.BytesIO(input_string)
self.stderr = io.BytesIO()

@atheris.instrument_func
def wait(self):
return 0

poll = wait


@atheris.instrument_func
def TestOneInput(data):
fdp = atheris.FuzzedDataProvider(data)

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