lost connection to test machine



Warning: Permanently added '10.128.10.52' (ECDSA) to the list of known hosts.
flag provided but not defined: -optional
Usage of ./syz-fuzzer:
  -arch string
    	target arch (default "amd64")
  -collide
    	collide syscalls to provoke data races (default true)
  -cover
    	collect feedback signals (coverage)
  -debug
    	debug output from executor
  -executor string
    	path to executor binary (default "./syz-executor")
  -manager string
    	manager rpc address
  -name string
    	unique name for manager (default "test")
  -os string
    	target OS (default "linux")
  -output string
    	write programs to none/stdout/dmesg/file (default "stdout")
  -pprof string
    	address to serve pprof profiles
  -procs int
    	number of parallel test processes (default 1)
  -runtest
    	enable program testing mode
  -sandbox string
    	sandbox for fuzzing (none/setuid/namespace/android) (default "none")
  -test
    	enable image testing mode
  -threaded
    	use threaded mode in executor (default true)
  -timeout duration
    	execution timeout
  -vv int
    	verbosity