def get_feedback_str(cls, error, process, binary):
is_ir_or_rte = (process.is_ir or process.is_rte) and not (
process.is_tle or process.is_mle or process.is_ole)
if hasattr(process, 'feedback'):
feedback = process.feedback
elif is_ir_or_rte:
feedback = binary.parse_feedback_from_stderr(error, process)
else:
feedback = ''
if not feedback and is_ir_or_rte:
if not process.was_initialized or (
error
and b'error while loading shared libraries' in error):
# Process may failed to initialize, resulting in a SIGKILL without any prior signals.
# See <https://github.com/DMOJ/judge/issues/179> for more details.
feedback = 'failed initializing'
elif process.signal:
feedback = strsignal(process.signal).lower()
if process.protection_fault:
syscall, callname, args = process.protection_fault
print_protection_fault(process.protection_fault)
callname = callname.replace('sys_', '', 1)
message = '%s syscall disallowed' % callname
feedback = message
return feedback
def update_feedback(self, check, error, process, result):
result.feedback = (check.feedback or (process.feedback if hasattr(process, 'feedback') else
getattr(self.binary, 'get_feedback', lambda x, y, z: '')(error, result, process)))
if not result.feedback and result.get_main_code() == Result.RTE:
if not process.was_initialized:
# Process may failed to initialize, resulting in a SIGKILL without any prior signals.
# See <https://github.com/DMOJ/judge/issues/179> for more details.
result.feedback = 'failed initializing'
else:
result.feedback = strsignal(process.signal).lower()
if process.protection_fault:
syscall, callname, args = process.protection_fault
print_protection_fault(process.protection_fault)
callname = callname.replace('sys_', '', 1)
message = '%s syscall disallowed' % callname
result.feedback = message
def parse_helper_file_error(proc, executor, name, stderr, time_limit, memory_limit):
if proc.is_tle:
error = '%s timed out (> %d seconds)' % (name, time_limit)
elif proc.is_mle:
error = '%s ran out of memory (> %s Kb)' % (name, memory_limit)
elif proc.protection_fault:
syscall, callname, args = proc.protection_fault
error = '%s invoked disallowed syscall %s (%s)' % (name, syscall, callname)
elif proc.returncode:
if proc.returncode > 0:
error = '%s exited with nonzero code %d' % (name, proc.returncode)
else:
error = '%s exited with %s' % (name, strsignal(proc.signal))
feedback = Result.get_feedback_str(stderr, proc, executor)
if feedback:
error += ' with feedback %s' % feedback
else:
return
raise InternalError(error)