go test fuzz v1
[]byte("\xbf000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000\xff")
go test fuzz v1
[]byte("\xbf000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000\xff")