I installed a CH from debian repos (just copied from docs) and installation process asking me for a password, I typed my testing password ended by "();" witouth quotes.

After install I can access without any password.

users.xml show like "<password></password>" for default user.

¯\\\_(ツ)\_/¯

else
                throwFromErrno("Cannot send kill signal", ErrorCodes::SYSTEM_ERROR);
            
            constexpr size_t num_kill_check_tries = 1000;
            constexpr size_t kill_check_delay_ms = 100;
            for (size_t i = 0; i < num_kill_check_tries; ++i)
            {
                fmt::print("Waiting for server to be killed\n");
                if (!isRunning(pid_file))
                {
                    fmt::print("Server exited\n");
                    break;
                }
                sleepForMilliseconds(kill_check_delay_ms);
            }
            if (isRunning(pid_file))
            {
                throw Exception(ErrorCodes::CANNOT_KILL,
                    "The server process still exists after %zu ms",
                    num_kill_check_tries, kill_check_delay_ms);
            }
        }
        return 0;
    }
}
int mainEntryClickHouseStart(int argc, char ** argv)
{
    po::options_description desc;
    desc.add_options()
        ("help,h", "produce help message")