Update

vendor/tailscale.com/net/dns/dns_clone.go

@@ -1,4 +1,4 @@
-// Copyright (c) Tailscale Inc & AUTHORS
+// Copyright (c) Tailscale Inc & contributors
 // SPDX-License-Identifier: BSD-3-Clause
 
 // Code generated by tailscale.com/cmd/cloner; DO NOT EDIT.
@@ -10,6 +10,7 @@ import (
 
 	"tailscale.com/types/dnstype"
 	"tailscale.com/util/dnsname"
+	"tailscale.com/util/set"
 )
 
 // Clone makes a deep copy of Config.
@@ -32,8 +33,19 @@ func (src *Config) Clone() *Config {
 	}
 	if dst.Routes != nil {
 		dst.Routes = map[dnsname.FQDN][]*dnstype.Resolver{}
-		for k := range src.Routes {
-			dst.Routes[k] = append([]*dnstype.Resolver{}, src.Routes[k]...)
+		for k, sv := range src.Routes {
+			if sv == nil {
+				dst.Routes[k] = nil
+				continue
+			}
+			dst.Routes[k] = make([]*dnstype.Resolver, len(sv))
+			for i := range sv {
+				if sv[i] == nil {
+					dst.Routes[k][i] = nil
+				} else {
+					dst.Routes[k][i] = sv[i].Clone()
+				}
+			}
 		}
 	}
 	dst.SearchDomains = append(src.SearchDomains[:0:0], src.SearchDomains...)
@@ -43,16 +55,20 @@ func (src *Config) Clone() *Config {
 			dst.Hosts[k] = append([]netip.Addr{}, src.Hosts[k]...)
 		}
 	}
+	dst.SubdomainHosts = src.SubdomainHosts.Clone()
 	return dst
 }
 
 // A compilation failure here means this code must be regenerated, with the command at the top of this file.
 var _ConfigCloneNeedsRegeneration = Config(struct {
-	DefaultResolvers []*dnstype.Resolver
-	Routes           map[dnsname.FQDN][]*dnstype.Resolver
-	SearchDomains    []dnsname.FQDN
-	Hosts            map[dnsname.FQDN][]netip.Addr
-	OnlyIPv6         bool
+	AcceptDNS             bool
+	DefaultResolvers      []*dnstype.Resolver
+	Routes                map[dnsname.FQDN][]*dnstype.Resolver
+	SearchDomains         []dnsname.FQDN
+	Hosts                 map[dnsname.FQDN][]netip.Addr
+	SubdomainHosts        set.Set[dnsname.FQDN]
+	OnlyIPv6              bool
+	MagicDNSHostsUnrouted bool
 }{})
 
 // Clone duplicates src into dst and reports whether it succeeded.