handler.go: cookie: Allocate enough bytes to be able to hash an ipv6 …

…address without addition allocs.
Sandertv · May 4, 2024 · e251d9b · e251d9b
1 parent 7a99b42
commit e251d9b
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/handler.go b/handler.go
@@ -38,7 +38,7 @@ func (h listenerConnectionHandler) close(conn *Conn) {
 // hash of the random cookie salt and the address.
 func (h listenerConnectionHandler) cookie(addr net.Addr) uint32 {
 	udp, _ := addr.(*net.UDPAddr)
-	b := make([]byte, 6, 10)
+	b := make([]byte, 6, 22)
 	binary.LittleEndian.PutUint32(b, h.cookieSalt)
 	binary.LittleEndian.PutUint16(b, uint16(udp.Port))
 	b = append(b, udp.IP...)