PR feedback

internal/socks5/server.go

@@ -97,6 +97,7 @@ func (s *server) runServer(ready chan<- struct{},
 				return
 			}
 			wg.Go(func() {
+				connection := connection // capture loop variable
 				socksConn := &socksConn{
 					dialer:     dialer,
 					username:   s.username,
@@ -115,6 +116,7 @@ func (s *server) runServer(ready chan<- struct{},
 
 	select {
 	case <-stop:
+		s.listening.Store(false)
 		var errs []error
 		err := s.tcpListener.Close()
 		if err != nil {