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Add a subprocess.Popen timeout when possible #4

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Add a subprocess.Popen timeout when possible #4

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86dac6d
Add a subprocess.Popen timeout when possible
nirizr Aug 6, 2021
a24e920
Merge branch 'master' into nirizr/py_timeout_backup
nirizr Jan 5, 2023
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24 changes: 20 additions & 4 deletions afl-cov
100755 → 100644
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Original file line number Diff line number Diff line change
Expand Up @@ -865,7 +865,7 @@ def run_cmd(
collect: int,
aflrun: bool,
fn: str,
timeout: Optional[int] = None,
timeout: Optional[str] = None,
) -> Tuple[int, List[bytes]]:
out = []

Expand All @@ -886,9 +886,25 @@ def run_cmd(
else:
print(" CMD: %s" % cmd)

exit_code = subprocess.call(
cmd, stdin=None, stdout=fh, stderr=subprocess.STDOUT, shell=True
)
if timeout:
cmd = "timeout -s KILL %s %s" % (timeout, cmd)

# If timeout is in seconds, add an extra layer of timeout
# the timeout linux command failed me on several occasions
sp_timeout = int(timeout) * 2 if timeout and timeout.isdigit() else None

try:
exit_code = subprocess.call(
cmd, stdin=None, stdout=fh, stderr=subprocess.STDOUT, shell=True,
timeout=sp_timeout
)
except subprocess.TimeoutExpired:
if cargs.verbose:
if log_file:
logr(b" CMD: %s timedout: %s" % (cmd.encode(), str(ex)), log_file, cargs)
else:
print(" CMD: %s timedout: %s" % (cmd, str(ex)))
exit_code = -1

fh.close()

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