stack overflow

unsigned int sr_addr=sock4request[4]|sock4request[5]|sock4request[6]|sock4request[7];
                unsigned short sr_port=sock4request[2]|sock4request[3];
                cout<<"yes"<<endl;
                sr_addr=ntohl(sr_addr);
                sr_port=ntohs(sr_port);
                cout<<sr_addr<<":"<<sr_port<<endl;
                //unsigned int ui_addr=sr_addr;
                //unsigned short us_port=sr_port;
                //boost::asio::ip::address_v4 addrip(addr);
                string ip=boost::lexical_cast<string>(sr_addr);
                string port=boost::lexical_cast<string>(sr_port);

                //tcp::endpoint addrinfo(addrip,portint);
                tcp::resolver resolver(io_service);
                tcp::resolver::query query(ip,port);
                tcp::resolver::iterator endpoint_iterator=resolver.resolve(query);
                tcp::socket finalsocket(io_service);
                boost::asio::connect(finalsocket,endpoint_iterator);