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return fuzzer return code from main #351

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merged 2 commits into from
Apr 2, 2020
Merged

return fuzzer return code from main #351

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3a94cdf
return fuzzer return code from main
jscriven-digimarc Mar 30, 2020
50cafb1
added init description and initialized member variable
jscriven-digimarc Mar 31, 2020
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6 changes: 5 additions & 1 deletion bin/deepstate/core/fuzz.py
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Original file line number Diff line number Diff line change
Expand Up @@ -64,6 +64,7 @@ def __init__(self, envvar: str) -> None:
- stats_file (file where to put stats from fuzzer in common format)
- output_file (file where stdout of fuzzer will be redirected)
- proc (handler to fuzzer process)
- fuzzer_return_code (the exit status from the fuzzer process AND the return status of main)

- push_dir (push testcases from external sources here)
- pull_dir (pull new testcases from this dir)
Expand Down Expand Up @@ -95,6 +96,7 @@ def __init__(self, envvar: str) -> None:
self._on: bool = False

self.proc: subprocess.Popen[bytes]
self.fuzzer_return_code = 0
self.require_seeds: bool = False
self.stats_file: str = "deepstate-stats.txt"
self.output_file: str = "fuzzer-output.txt"
Expand Down Expand Up @@ -570,7 +572,7 @@ def main(self):
try:
self.parse_args()
self.run()
return 0
return self.fuzzer_return_code
except AnalysisBackendError as e:
L.error(e)
return 1
Expand Down Expand Up @@ -716,13 +718,15 @@ def run(self, runner: Optional[str] = None, no_exec: bool = False):
(self.proc.returncode == 1 and self.name == "libFuzzer"):
L.info("Fuzzer %s (PID %d) exited with return code %d.",
self.name, self.proc.pid, self.proc.returncode)
self.fuzzer_return_code = 0
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run_one_fuzzer_process = False

else:
if stdout:
L.error(stdout.decode('utf8'))
if stderr:
L.error(stderr.decode('utf8'))
self.fuzzer_return_code = self.proc.returncode
raise FuzzFrontendError(f"Fuzzer {self.name} (PID {self.proc.pid}) exited "
f"with return code {self.proc.returncode}.")

Expand Down