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fix the return status check of subprocess #531

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fix the return status check of subprocess #531

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5169908
fix the return status check of subprocess
fouzhe Jul 15, 2021
ee08439
Update debugger_thread_simple.py
fouzhe Jul 15, 2021
ea5f218
Fixing style errors.
stickler-ci Jul 15, 2021
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15 changes: 7 additions & 8 deletions boofuzz/utils/debugger_thread_simple.py
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Original file line number Diff line number Diff line change
Expand Up @@ -155,8 +155,9 @@ def run(self):
exit_info = os.waitpid(self.pid, 0)
self.exit_status = exit_info[1] # [0] is the pid

default_reason = "Process died for unknown reason"
if self.exit_status is not None:
msg = ""

if self.exit_status:
if os.WCOREDUMP(self.exit_status):
reason = "Segmentation fault"
elif os.WIFSTOPPED(self.exit_status):
Expand All @@ -166,9 +167,10 @@ def run(self):
elif os.WIFEXITED(self.exit_status):
reason = "Exit with code - " + str(os.WEXITSTATUS(self.exit_status))
else:
reason = default_reason
else:
reason = default_reason
reason = "Process died for unknown reason"
msg += "[{0}] Crash. Exit code: {1}. Reason - {2}\n".format(
time.strftime("%I:%M.%S"), self.exit_status, reason
)

outdata = None
errdata = None
Expand All @@ -180,9 +182,6 @@ def run(self):
msg="Expired waiting for process {0} to terminate".format(self._process.pid), level=1
)

msg = "[{0}] Crash. Exit code: {1}. Reason - {2}\n".format(
time.strftime("%I:%M.%S"), self.exit_status if self.exit_status is not None else "<unknown>", reason
)
if errdata is not None:
msg += "STDERR:\n{0}\n".format(errdata.decode("ascii"))
if outdata is not None:
Expand Down