Merge branch 'dev-next' of https://github.com/SagerNet/sing-box into dev-next

Conflicts: adapter/router.go dns/client.go dns/router.go dns/transport/https.go dns/transport/local/local.go dns/transport/quic/http3.go dns/transport/quic/quic.go dns/transport/tcp.go dns/transport/tls.go dns/transport/udp.go docs/changelog.md docs/configuration/inbound/anytls.md docs/configuration/inbound/anytls.zh.md experimental/clashapi/server.go go.mod go.sum option/outbound.go route/rule_conds.go
2025-06-13 21:54:13 +08:00 · 2025-04-28 18:27:27 +08:00 · 2025-04-28 18:27:27 +08:00 · ee262385a5
commit ee262385a5
parent 245f4829ef b37e1e7616
43 changed files with 470 additions and 193 deletions
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@ -189,13 +189,14 @@ jobs:
          fi
          echo "DIR_NAME=${DIR_NAME}" >> "${GITHUB_ENV}"
          PKG_VERSION="${{ needs.calculate_version.outputs.version }}"
-          PKG_VERSION="${PKG_VERSION//-/\~}-1"
+          PKG_VERSION="${PKG_VERSION//-/\~}"
          echo "PKG_VERSION=${PKG_VERSION}" >> "${GITHUB_ENV}"
      - name: Package DEB
        if: matrix.debian != ''
        run: |
          set -xeuo pipefail
          sudo gem install fpm
+          sudo apt-get update
          sudo apt-get install -y debsigs
          cp .fpm_systemd .fpm
          fpm -t deb \
@ -234,6 +235,7 @@ jobs:
        run: |-
          set -xeuo pipefail
          sudo gem install fpm
+          sudo apt-get update
          sudo apt-get install -y libarchive-tools
          cp .fpm_systemd .fpm
          fpm -t pacman \
--- a/.github/workflows/linux.yml
+++ b/.github/workflows/linux.yml
@ -120,6 +120,7 @@ jobs:
          set -xeuo pipefail
          sudo gem install fpm
          sudo apt-get install -y debsigs
+          cp .fpm_systemd .fpm
          fpm -t deb \
            --name "${NAME}" \
            -v "$PKG_VERSION" \
@ -138,6 +139,7 @@ jobs:
        run: |-
          set -xeuo pipefail
          sudo gem install fpm
+          cp .fpm_systemd .fpm
          fpm -t rpm \
            --name "${NAME}" \
            -v "$PKG_VERSION" \
--- a/clients/android
+++ b/clients/android
@ -1 +1 @@
-Subproject commit 55f31c29bb68895ce544e0dfbf852b4b3e32b530
+Subproject commit 6a15780ce1659a234816f7248cbc09e8ea54a1be
--- a/common/dialer/default.go
+++ b/common/dialer/default.go
@ -341,7 +341,17 @@ func (d *DefaultDialer) ListenSerialInterfacePacket(ctx context.Context, destina
 }

 func (d *DefaultDialer) ListenPacketCompat(network, address string) (net.PacketConn, error) {
-	return d.udpListener.ListenPacket(context.Background(), network, address)
+	udpListener := d.udpListener
+	udpListener.Control = control.Append(udpListener.Control, func(network, address string, conn syscall.RawConn) error {
+		for _, wgControlFn := range WgControlFns {
+			err := wgControlFn(network, address, conn)
+			if err != nil {
+				return err
+			}
+		}
+		return nil
+	})
+	return udpListener.ListenPacket(context.Background(), network, address)
 }

 func trackConn(conn net.Conn, err error) (net.Conn, error) {
--- a/common/sniff/bittorrent.go
+++ b/common/sniff/bittorrent.go
@ -31,13 +31,18 @@ func BitTorrent(_ context.Context, metadata *adapter.InboundContext, reader io.R
 		return os.ErrInvalid
 	}

+	const header = "BitTorrent protocol"
 	var protocol [19]byte
-	_, err = reader.Read(protocol[:])
+	var n int
+	n, err = reader.Read(protocol[:])
+	if string(protocol[:n]) != header[:n] {
+		return os.ErrInvalid
+	}
 	if err != nil {
 		return E.Cause1(ErrNeedMoreData, err)
 	}
-	if string(protocol[:]) != "BitTorrent protocol" {
-		return os.ErrInvalid
+	if n < 19 {
+		return ErrNeedMoreData
 	}

 	metadata.Protocol = C.ProtocolBitTorrent
--- a/common/sniff/bittorrent_test.go
+++ b/common/sniff/bittorrent_test.go
@ -32,6 +32,27 @@ func TestSniffBittorrent(t *testing.T) {
 	}
 }

+func TestSniffIncompleteBittorrent(t *testing.T) {
+	t.Parallel()
+
+	pkt, err := hex.DecodeString("13426974546f7272656e74")
+	require.NoError(t, err)
+	var metadata adapter.InboundContext
+	err = sniff.BitTorrent(context.TODO(), &metadata, bytes.NewReader(pkt))
+	require.ErrorIs(t, err, sniff.ErrNeedMoreData)
+}
+
+func TestSniffNotBittorrent(t *testing.T) {
+	t.Parallel()
+
+	pkt, err := hex.DecodeString("13426974546f7272656e75")
+	require.NoError(t, err)
+	var metadata adapter.InboundContext
+	err = sniff.BitTorrent(context.TODO(), &metadata, bytes.NewReader(pkt))
+	require.NotEmpty(t, err)
+	require.NotErrorIs(t, err, sniff.ErrNeedMoreData)
+}
+
 func TestSniffUTP(t *testing.T) {
 	t.Parallel()

--- a/common/sniff/dns.go
+++ b/common/sniff/dns.go
@ -20,22 +20,36 @@ func StreamDomainNameQuery(readCtx context.Context, metadata *adapter.InboundCon
 	if err != nil {
 		return E.Cause1(ErrNeedMoreData, err)
 	}
-	if length == 0 {
+	if length < 12 {
 		return os.ErrInvalid
 	}
 	buffer := buf.NewSize(int(length))
 	defer buffer.Release()
-	_, err = buffer.ReadFullFrom(reader, buffer.FreeLen())
+	var n int
+	n, err = buffer.ReadFullFrom(reader, buffer.FreeLen())
+	packet := buffer.Bytes()
+	if n > 2 && packet[2]&0x80 != 0 { // QR
+		return os.ErrInvalid
+	}
+	if n > 5 && packet[4] == 0 && packet[5] == 0 { // QDCOUNT
+		return os.ErrInvalid
+	}
+	for i := 6; i < 10; i++ {
+		// ANCOUNT, NSCOUNT
+		if n > i && packet[i] != 0 {
+			return os.ErrInvalid
+		}
+	}
 	if err != nil {
 		return E.Cause1(ErrNeedMoreData, err)
 	}
-	return DomainNameQuery(readCtx, metadata, buffer.Bytes())
+	return DomainNameQuery(readCtx, metadata, packet)
 }

 func DomainNameQuery(ctx context.Context, metadata *adapter.InboundContext, packet []byte) error {
 	var msg mDNS.Msg
 	err := msg.Unpack(packet)
-	if err != nil {
+	if err != nil || msg.Response || len(msg.Question) == 0 || len(msg.Answer) > 0 || len(msg.Ns) > 0 {
 		return err
 	}
 	metadata.Protocol = C.ProtocolDNS
--- a/common/sniff/dns_test.go
+++ b/common/sniff/dns_test.go
@ -1,6 +1,7 @@
 package sniff_test

 import (
+	"bytes"
 	"context"
 	"encoding/hex"
 	"testing"
@ -21,3 +22,32 @@ func TestSniffDNS(t *testing.T) {
 	require.NoError(t, err)
 	require.Equal(t, C.ProtocolDNS, metadata.Protocol)
 }
+
+func TestSniffStreamDNS(t *testing.T) {
+	t.Parallel()
+	query, err := hex.DecodeString("001e740701000001000000000000012a06676f6f676c6503636f6d0000010001")
+	require.NoError(t, err)
+	var metadata adapter.InboundContext
+	err = sniff.StreamDomainNameQuery(context.TODO(), &metadata, bytes.NewReader(query))
+	require.NoError(t, err)
+	require.Equal(t, C.ProtocolDNS, metadata.Protocol)
+}
+
+func TestSniffIncompleteStreamDNS(t *testing.T) {
+	t.Parallel()
+	query, err := hex.DecodeString("001e740701000001000000000000")
+	require.NoError(t, err)
+	var metadata adapter.InboundContext
+	err = sniff.StreamDomainNameQuery(context.TODO(), &metadata, bytes.NewReader(query))
+	require.ErrorIs(t, err, sniff.ErrNeedMoreData)
+}
+
+func TestSniffNotStreamDNS(t *testing.T) {
+	t.Parallel()
+	query, err := hex.DecodeString("001e740701000000000000000000")
+	require.NoError(t, err)
+	var metadata adapter.InboundContext
+	err = sniff.StreamDomainNameQuery(context.TODO(), &metadata, bytes.NewReader(query))
+	require.NotEmpty(t, err)
+	require.NotErrorIs(t, err, sniff.ErrNeedMoreData)
+}
--- a/common/sniff/sniff.go
+++ b/common/sniff/sniff.go
@ -68,7 +68,7 @@ func PeekStream(ctx context.Context, metadata *adapter.InboundContext, conn net.
 			}
 			sniffError = E.Errors(sniffError, err)
 		}
-		if !errors.Is(err, ErrNeedMoreData) {
+		if !errors.Is(sniffError, ErrNeedMoreData) {
 			break
 		}
 	}
--- a/common/sniff/ssh.go
+++ b/common/sniff/ssh.go
@ -15,10 +15,11 @@ func SSH(_ context.Context, metadata *adapter.InboundContext, reader io.Reader)
 	const sshPrefix = "SSH-2.0-"
 	bReader := bufio.NewReader(reader)
 	prefix, err := bReader.Peek(len(sshPrefix))
+	if string(prefix[:]) != sshPrefix[:len(prefix)] {
+		return os.ErrInvalid
+	}
 	if err != nil {
 		return E.Cause1(ErrNeedMoreData, err)
-	} else if string(prefix) != sshPrefix {
-		return os.ErrInvalid
 	}
 	fistLine, _, err := bReader.ReadLine()
 	if err != nil {
--- a/common/sniff/ssh_test.go
+++ b/common/sniff/ssh_test.go
@ -24,3 +24,24 @@ func TestSniffSSH(t *testing.T) {
 	require.Equal(t, C.ProtocolSSH, metadata.Protocol)
 	require.Equal(t, "dropbear", metadata.Client)
 }
+
+func TestSniffIncompleteSSH(t *testing.T) {
+	t.Parallel()
+
+	pkt, err := hex.DecodeString("5353482d322e30")
+	require.NoError(t, err)
+	var metadata adapter.InboundContext
+	err = sniff.SSH(context.TODO(), &metadata, bytes.NewReader(pkt))
+	require.ErrorIs(t, err, sniff.ErrNeedMoreData)
+}
+
+func TestSniffNotSSH(t *testing.T) {
+	t.Parallel()
+
+	pkt, err := hex.DecodeString("5353482d322e31")
+	require.NoError(t, err)
+	var metadata adapter.InboundContext
+	err = sniff.SSH(context.TODO(), &metadata, bytes.NewReader(pkt))
+	require.NotEmpty(t, err)
+	require.NotErrorIs(t, err, sniff.ErrNeedMoreData)
+}
--- a/dns/client.go
+++ b/dns/client.go
@ -483,7 +483,7 @@ func (c *Client) loadResponse(question dns.Question, transport adapter.DNSTransp
 }

 func MessageToAddresses(response *dns.Msg) ([]netip.Addr, error) {
-	if response.Rcode != dns.RcodeSuccess && response.Rcode != dns.RcodeNameError {
+	if response.Rcode != dns.RcodeSuccess {
 		return nil, RcodeError(response.Rcode)
 	}
 	addresses := make([]netip.Addr, 0, len(response.Answer))
--- a/dns/router.go
+++ b/dns/router.go
@ -323,6 +323,9 @@ func (r *Router) Lookup(ctx context.Context, domain string, options adapter.DNSQ
 		err           error
 	)
 	printResult := func() {
+		if err == nil && len(responseAddrs) == 0 {
+			err = E.New("empty result")
+		}
 		if err != nil {
 			if errors.Is(err, ErrResponseRejectedCached) {
 				r.logger.DebugContext(ctx, "response rejected for ", domain, " (cached)")
@ -331,15 +334,15 @@ func (r *Router) Lookup(ctx context.Context, domain string, options adapter.DNSQ
 			} else {
 				r.logger.ErrorContext(ctx, E.Cause(err, "lookup failed for ", domain))
 			}
-		} else if len(responseAddrs) == 0 {
-			r.logger.ErrorContext(ctx, "lookup failed for ", domain, ": empty result")
-			err = RcodeNameError
+		}
+		if err != nil {
+			err = E.Cause(err, "lookup ", domain)
 		}
 	}
 	responseAddrs, cached = r.client.LookupCache(domain, options.Strategy)
 	if cached {
 		if len(responseAddrs) == 0 {
-			return nil, RcodeNameError
+			return nil, E.New("lookup ", domain, ": empty result (cached)")
 		}
 		return responseAddrs, nil
 	}
--- a/dns/transport/https.go
+++ b/dns/transport/https.go
@ -96,6 +96,9 @@ func NewHTTPS(ctx context.Context, logger log.ContextLogger, tag string, options
 	if serverAddr.Port == 0 {
 		serverAddr.Port = 443
 	}
+	if !serverAddr.IsValid() {
+		return nil, E.New("invalid server address: ", serverAddr)
+	}
 	return NewHTTPSRaw(
 		dns.NewTransportAdapterWithRemoteOptions(C.DNSTypeHTTPS, tag, options.RemoteDNSServerOptions),
 		logger,
--- a/dns/transport/local/local.go
+++ b/dns/transport/local/local.go
@ -3,6 +3,7 @@ package local
 import (
 	"context"
 	"math/rand"
+	"net/netip"
 	"time"

 	"github.com/sagernet/sing-box/adapter"
@ -90,8 +91,9 @@ func (t *Transport) exchangeParallel(ctx context.Context, systemConfig *dnsConfi
 	startRacer := func(ctx context.Context, fqdn string) {
 		response, err := t.tryOneName(ctx, systemConfig, fqdn, message)
 		if err == nil {
-			addresses, _ := dns.MessageToAddresses(response)
-			if len(addresses) == 0 {
+			var addresses []netip.Addr
+			addresses, err = dns.MessageToAddresses(response)
+			if err == nil && len(addresses) == 0 {
 				err = E.New(fqdn, ": empty result")
 			}
 		}
--- a/dns/transport/quic/http3.go
+++ b/dns/transport/quic/http3.go
@ -92,6 +92,9 @@ func NewHTTP3(ctx context.Context, logger log.ContextLogger, tag string, options
 	if serverAddr.Port == 0 {
 		serverAddr.Port = 443
 	}
+	if !serverAddr.IsValid() {
+		return nil, E.New("invalid server address: ", serverAddr)
+	}
 	return &HTTP3Transport{
 		TransportAdapter: dns.NewTransportAdapterWithRemoteOptions(C.DNSTypeHTTP3, tag, options.RemoteDNSServerOptions),
 		logger:           logger,
--- a/dns/transport/quic/quic.go
+++ b/dns/transport/quic/quic.go
@ -16,6 +16,7 @@ import (
 	sQUIC "github.com/sagernet/sing-quic"
 	"github.com/sagernet/sing/common"
 	"github.com/sagernet/sing/common/bufio"
+	E "github.com/sagernet/sing/common/exceptions"
 	"github.com/sagernet/sing/common/logger"
 	M "github.com/sagernet/sing/common/metadata"
 	N "github.com/sagernet/sing/common/network"
@ -58,6 +59,9 @@ func NewQUIC(ctx context.Context, logger log.ContextLogger, tag string, options
 	if serverAddr.Port == 0 {
 		serverAddr.Port = 853
 	}
+	if !serverAddr.IsValid() {
+		return nil, E.New("invalid server address: ", serverAddr)
+	}
 	return &Transport{
 		TransportAdapter: dns.NewTransportAdapterWithRemoteOptions(C.DNSTypeQUIC, tag, options.RemoteDNSServerOptions),
 		ctx:              ctx,
--- a/dns/transport/tcp.go
+++ b/dns/transport/tcp.go
@ -13,6 +13,7 @@ import (
 	"github.com/sagernet/sing-box/option"
 	"github.com/sagernet/sing/common"
 	"github.com/sagernet/sing/common/buf"
+	E "github.com/sagernet/sing/common/exceptions"
 	M "github.com/sagernet/sing/common/metadata"
 	N "github.com/sagernet/sing/common/network"

@ -40,6 +41,9 @@ func NewTCP(ctx context.Context, logger log.ContextLogger, tag string, options o
 	if serverAddr.Port == 0 {
 		serverAddr.Port = 53
 	}
+	if !serverAddr.IsValid() {
+		return nil, E.New("invalid server address: ", serverAddr)
+	}
 	return &TCPTransport{
 		TransportAdapter: dns.NewTransportAdapterWithRemoteOptions(C.DNSTypeTCP, tag, options),
 		dialer:           transportDialer,
--- a/dns/transport/tls.go
+++ b/dns/transport/tls.go
@ -57,6 +57,9 @@ func NewTLS(ctx context.Context, logger log.ContextLogger, tag string, options o
 	if serverAddr.Port == 0 {
 		serverAddr.Port = 853
 	}
+	if !serverAddr.IsValid() {
+		return nil, E.New("invalid server address: ", serverAddr)
+	}
 	return &TLSTransport{
 		TransportAdapter: dns.NewTransportAdapterWithRemoteOptions(C.DNSTypeTLS, tag, options.RemoteDNSServerOptions),
 		logger:           logger,
--- a/dns/transport/udp.go
+++ b/dns/transport/udp.go
@ -13,6 +13,7 @@ import (
 	"github.com/sagernet/sing-box/log"
 	"github.com/sagernet/sing-box/option"
 	"github.com/sagernet/sing/common/buf"
+	E "github.com/sagernet/sing/common/exceptions"
 	"github.com/sagernet/sing/common/logger"
 	M "github.com/sagernet/sing/common/metadata"
 	N "github.com/sagernet/sing/common/network"
@ -47,6 +48,9 @@ func NewUDP(ctx context.Context, logger log.ContextLogger, tag string, options o
 	if serverAddr.Port == 0 {
 		serverAddr.Port = 53
 	}
+	if !serverAddr.IsValid() {
+		return nil, E.New("invalid server address: ", serverAddr)
+	}
 	return NewUDPRaw(logger, dns.NewTransportAdapterWithRemoteOptions(C.DNSTypeUDP, tag, options), transportDialer, serverAddr), nil
 }

--- a/docs/changelog.md
+++ b/docs/changelog.md
@ -2,7 +2,17 @@
 icon: material/alert-decagram
 ---

-#### 1.12.0-beta.4
+#### 1.12.0-beta.7
+
+* Fixes and improvements
+
+### 1.11.9
+
+* Fixes and improvements
+
+_We are temporarily unable to update sing-box apps on the App Store because the reviewer mistakenly found that we violated the rules (TestFlight users are not affected)._
+
+#### 1.12.0-beta.5

 * Fixes and improvements

--- a/docs/configuration/inbound/anytls.md
+++ b/docs/configuration/inbound/anytls.md
@ -42,16 +42,18 @@ AnyTLS padding scheme line array.

 Default padding scheme:

-```
-stop=8
-0=30-30
-1=100-400
-2=400-500,c,500-1000,c,500-1000,c,500-1000,c,500-1000
-3=9-9,500-1000
-4=500-1000
-5=500-1000
-6=500-1000
-7=500-1000
+```json
+[
+  "stop=8",
+  "0=30-30",
+  "1=100-400",
+  "2=400-500,c,500-1000,c,500-1000,c,500-1000,c,500-1000",
+  "3=9-9,500-1000",
+  "4=500-1000",
+  "5=500-1000",
+  "6=500-1000",
+  "7=500-1000"
+]
 ```

 #### tls
--- a/docs/configuration/inbound/anytls.zh.md
+++ b/docs/configuration/inbound/anytls.zh.md
@ -42,16 +42,18 @@ AnyTLS 填充方案行数组。

 默认填充方案:

-```
-stop=8
-0=30-30
-1=100-400
-2=400-500,c,500-1000,c,500-1000,c,500-1000,c,500-1000
-3=9-9,500-1000
-4=500-1000
-5=500-1000
-6=500-1000
-7=500-1000
+```json
+[
+  "stop=8",
+  "0=30-30",
+  "1=100-400",
+  "2=400-500,c,500-1000,c,500-1000,c,500-1000,c,500-1000",
+  "3=9-9,500-1000",
+  "4=500-1000",
+  "5=500-1000",
+  "6=500-1000",
+  "7=500-1000"
+]
 ```

 #### tls
--- a/docs/installation/package-manager.md
+++ b/docs/installation/package-manager.md
@ -41,23 +41,24 @@ icon: material/package

 ## :material-download-box: Manual Installation

-   The script download and install the latest package from GitHub releases for deb or rpm based Linux distributions, ArchLinux and OpenWrt.
+The script download and install the latest package from GitHub releases
+for deb or rpm based Linux distributions, ArchLinux and OpenWrt.

-   ```shell
-   curl -fsSL https://sing-box.app/install.sh | sh
-   ```
+```shell
+curl -fsSL https://sing-box.app/install.sh | sh
+```

-   or latest beta:
+or latest beta:

-   ```shell
-   curl -fsSL https://sing-box.app/install.sh | sh -s -- --beta
-   ```
+```shell
+curl -fsSL https://sing-box.app/install.sh | sh -s -- --beta
+```

-   or specific version:
+or specific version:

-   ```shell
-   curl -fsSL https://sing-box.app/install.sh | sh -s -- --version <version>
-   ```
+```shell
+curl -fsSL https://sing-box.app/install.sh | sh -s -- --version <version>
+```

 ## :material-book-lock-open: Managed Installation

--- a/docs/installation/package-manager.zh.md
+++ b/docs/installation/package-manager.zh.md
@ -41,24 +41,23 @@ icon: material/package

 ## :material-download-box: 手动安装

-=== ":material-debian: Debian / DEB"
+该脚本从 GitHub 发布中下载并安装最新的软件包，适用于基于 deb 或 rpm 的 Linux 发行版、ArchLinux 和 OpenWrt。

-    ```bash
-    bash <(curl -fsSL https://sing-box.app/deb-install.sh)
-    ```
+```shell
+curl -fsSL https://sing-box.app/install.sh | sh
+```

-=== ":material-redhat: Redhat / RPM"
+或最新测试版：

-    ```bash
-    bash <(curl -fsSL https://sing-box.app/rpm-install.sh)
-    ```
-    （这适用于任何使用 `rpm` 和 `systemd` 的发行版。由于 `rpm` 定义依赖关系的方式，如果安装成功，就多半能用。）
+```shell
+curl -fsSL https://sing-box.app/install.sh | sh -s -- --beta
+```

-=== ":simple-archlinux: Archlinux / PKG"
+或指定版本：

-    ```bash
-    bash <(curl -fsSL https://sing-box.app/arch-install.sh)
-    ```
+```shell
+curl -fsSL https://sing-box.app/install.sh | sh -s -- --version <version>
+```

 ## :material-book-lock-open: 托管安装

--- a/docs/installation/tools/install.sh
+++ b/docs/installation/tools/install.sh
@ -3,76 +3,92 @@
 download_beta=false
 download_version=""

-for arg in "$@"; do
-  if [[ "$arg" == "--beta" ]]; then
+while [ $# -gt 0 ]; do
+  case "$1" in
+    --beta)
      download_beta=true
-  elif [[ "$arg" == "--version" ]]; then
-    download_version=true
-  elif [[ "$download_version" == 'true' ]]; then
-    download_version="$arg"
-  else
-    echo "Unknown argument: $arg"
+      shift
+      ;;
+    --version)
+      shift
+      if [ $# -eq 0 ]; then
+        echo "Missing argument for --version"
        echo "Usage: $0 [--beta] [--version <version>]"
        exit 1
      fi
+      download_version="$1"
+      shift
+      ;;
+    *)
+      echo "Unknown argument: $1"
+      echo "Usage: $0 [--beta] [--version <version>]"
+      exit 1
+      ;;
+  esac
 done

-if [[ $(command -v dpkg) ]]; then
-  os="linux"
-  arch=$(dpkg --print-architecture)
-  package_suffix=".deb"
-  package_install="dpkg -i"
-elif [[ $(command -v dnf) ]]; then
-  os="linux"
-  arch=$(uname -m)
-  package_suffix=".rpm"
-  package_install="dnf install -y"
-elif [[ $(command -v rpm) ]]; then
-  os="linux"
-  arch=$(uname -m)
-  package_suffix=".rpm"
-  package_install="rpm -i"
-elif [[ $(command -v pacman) ]]; then
+if command -v pacman >/dev/null 2>&1; then
  os="linux"
  arch=$(uname -m)
  package_suffix=".pkg.tar.zst"
  package_install="pacman -U --noconfirm"
-elif [[ $(command -v opkg) ]]; then
+elif command -v dpkg >/dev/null 2>&1; then
+  os="linux"
+  arch=$(dpkg --print-architecture)
+  package_suffix=".deb"
+  package_install="dpkg -i"
+elif command -v dnf >/dev/null 2>&1; then
+  os="linux"
+  arch=$(uname -m)
+  package_suffix=".rpm"
+  package_install="dnf install -y"
+elif command -v rpm >/dev/null 2>&1; then
+  os="linux"
+  arch=$(uname -m)
+  package_suffix=".rpm"
+  package_install="rpm -i"
+elif command -v opkg >/dev/null 2>&1; then
  os="openwrt"
-  source /etc/os-release
+  . /etc/os-release
  arch="$OPENWRT_ARCH"
  package_suffix=".ipk"
-  package_install="opkg update && opkg install -y"
+  package_install="opkg update && opkg install"
 else
  echo "Missing supported package manager."
  exit 1
 fi

-if [[ -z "$download_version" ]]; then
-  if [[ "$download_beta" != 'true' ]]; then
-    if [[ -n "$GITHUB_TOKEN" ]]; then
-      latest_release=$(curl -s --fail-with-body -H "Authorization: token ${GITHUB_TOKEN}" https://api.github.com/repos/SagerNet/sing-box/releases/latest)
+if [ -z "$download_version" ]; then
+  if [ "$download_beta" != "true" ]; then
+    if [ -n "$GITHUB_TOKEN" ]; then
+      latest_release=$(curl -s -H "Authorization: token ${GITHUB_TOKEN}" https://api.github.com/repos/SagerNet/sing-box/releases/latest)
    else
-      latest_release=$(curl -s --fail-with-body https://api.github.com/repos/SagerNet/sing-box/releases/latest)
+      latest_release=$(curl -s https://api.github.com/repos/SagerNet/sing-box/releases/latest)
    fi
    curl_exit_status=$?
-    if [[ $curl_exit_status -ne 0 ]]; then
-      echo "$latest_release"
-      exit $?
+    if [ $curl_exit_status -ne 0 ]; then
+      exit $curl_exit_status
    fi
-    download_version=$(echo "$latest_release" | grep tag_name | cut -d ":" -f2 | sed 's/\"//g;s/\,//g;s/\ //g;s/v//')
+    if [ "$(echo "$latest_release" | grep tag_name | wc -l)" -eq 0 ]; then
+      echo "$latest_release"
+      exit 1
+    fi
+    download_version=$(echo "$latest_release" | grep tag_name | head -n 1 | awk -F: '{print $2}' | sed 's/[", v]//g')
  else
-    if [[ -n "$GITHUB_TOKEN" ]]; then
-      latest_release=$(curl -s --fail-with-body -H "Authorization: token ${GITHUB_TOKEN}" https://api.github.com/repos/SagerNet/sing-box/releases)
+    if [ -n "$GITHUB_TOKEN" ]; then
+      latest_release=$(curl -s -H "Authorization: token ${GITHUB_TOKEN}" https://api.github.com/repos/SagerNet/sing-box/releases)
    else
-      latest_release=$(curl -s --fail-with-body https://api.github.com/repos/SagerNet/sing-box/releases)
+      latest_release=$(curl -s https://api.github.com/repos/SagerNet/sing-box/releases)
    fi
    curl_exit_status=$?
-    if [[ $? -ne 0 ]]; then
-      echo "$latest_release"
-      exit $?
+    if [ $curl_exit_status -ne 0 ]; then
+      exit $curl_exit_status
    fi
-    download_version=$(echo "$latest_release" | grep tag_name | head -n 1 | cut -d ":" -f2 | sed 's/\"//g;s/\,//g;s/\ //g;s/v//')
+    if [ "$(echo "$latest_release" | grep tag_name | wc -l)" -eq 0 ]; then
+      echo "$latest_release"
+      exit 1
+    fi
+    download_version=$(echo "$latest_release" | grep tag_name | head -n 1 | awk -F: '{print $2}' | sed 's/[", v]//g')
  fi
 fi

@ -80,18 +96,21 @@ package_name="sing-box_${download_version}_${os}_${arch}${package_suffix}"
 package_url="https://github.com/SagerNet/sing-box/releases/download/v${download_version}/${package_name}"

 echo "Downloading $package_url"
-if [[ -n "$GITHUB_TOKEN" ]]; then
-  curl --fail-with-body -Lo "$package_name" -H "Authorization: token ${GITHUB_TOKEN}" "$package_url"
+if [ -n "$GITHUB_TOKEN" ]; then
+  curl --fail -Lo "$package_name" -H "Authorization: token ${GITHUB_TOKEN}" "$package_url"
 else
-  curl --fail-with-body -Lo "$package_name" "$package_url"
+  curl --fail -Lo "$package_name" "$package_url"
 fi

-if [[ $? -ne 0 ]]; then
-  exit $?
+curl_exit_status=$?
+if [ $curl_exit_status -ne 0 ]; then
+  exit $curl_exit_status
 fi

-if [[ $(command -v sudo) ]]; then
+if command -v sudo >/dev/null 2>&1; then
  package_install="sudo $package_install"
 fi

-echo "$package_install $package_name" && $package_install "$package_name" && rm "$package_name"
+echo "$package_install $package_name"
+sh -c "$package_install \"$package_name\""
+rm -f "$package_name"
--- a/experimental/clashapi/api_meta.go
+++ b/experimental/clashapi/api_meta.go
@ -4,6 +4,7 @@ import (
 	"bytes"
 	"net"
 	"net/http"
+	"runtime/debug"
 	"time"

 	"github.com/sagernet/sing-box/experimental/clashapi/trafficontrol"
@ -12,14 +13,23 @@ import (
 	"github.com/sagernet/ws/wsutil"

 	"github.com/go-chi/chi/v5"
+	"github.com/go-chi/chi/v5/middleware"
 	"github.com/go-chi/render"
 )

 // API created by Clash.Meta

 func (s *Server) setupMetaAPI(r chi.Router) {
+	if s.logDebug {
+		r := chi.NewRouter()
+		r.Put("/gc", func(w http.ResponseWriter, r *http.Request) {
+			debug.FreeOSMemory()
+		})
+		r.Mount("/", middleware.Profiler())
+	}
 	r.Get("/memory", memory(s.trafficManager))
 	r.Mount("/group", groupRouter(s))
+	r.Mount("/upgrade", upgradeRouter(s))
 }

 type Memory struct {
--- a/experimental/clashapi/api_meta_upgrade.go
+++ b/experimental/clashapi/api_meta_upgrade.go
@ -0,0 +1,36 @@
+package clashapi
+
+import (
+	"net/http"
+
+	E "github.com/sagernet/sing/common/exceptions"
+
+	"github.com/go-chi/chi/v5"
+	"github.com/go-chi/render"
+)
+
+func upgradeRouter(server *Server) http.Handler {
+	r := chi.NewRouter()
+	r.Post("/ui", updateExternalUI(server))
+	return r
+}
+
+func updateExternalUI(server *Server) func(w http.ResponseWriter, r *http.Request) {
+	return func(w http.ResponseWriter, r *http.Request) {
+		if server.externalUI == "" {
+			render.Status(r, http.StatusNotFound)
+			render.JSON(w, r, newError("external UI not enabled"))
+			return
+		}
+		server.logger.Info("upgrading external UI")
+		err := server.downloadExternalUI()
+		if err != nil {
+			server.logger.Error(E.Cause(err, "upgrade external ui"))
+			render.Status(r, http.StatusInternalServerError)
+			render.JSON(w, r, newError(err.Error()))
+			return
+		}
+		server.logger.Info("updated external UI")
+		render.JSON(w, r, render.M{"status": "ok"})
+	}
+}
--- a/experimental/clashapi/server.go
+++ b/experimental/clashapi/server.go
@ -49,6 +49,8 @@ type Server struct {
 	httpServer     *http.Server
 	trafficManager *trafficontrol.Manager
 	urlTestHistory adapter.URLTestHistoryStorage
+	logDebug       bool
+
 	mode           string
 	modeList       []string
 	modeUpdateHook chan<- struct{}
@ -74,6 +76,7 @@ func NewServer(ctx context.Context, logFactory log.ObservableFactory, options op
 			Handler: chiRouter,
 		},
 		trafficManager:           trafficManager,
+		logDebug:                 logFactory.Level() >= log.LevelDebug,
 		modeList:                 options.ModeList,
 		externalController:       options.ExternalController != "",
 		externalUIDownloadURL:    options.ExternalUIDownloadURL,
--- a/go.mod
+++ b/go.mod
@ -26,18 +26,18 @@ require (
 	github.com/sagernet/gvisor v0.0.0-20250325023245-7a9c0f5725fb
 	github.com/sagernet/quic-go v0.49.0-beta.1
 	github.com/sagernet/reality v0.0.0-20230406110435-ee17307e7691
-	github.com/sagernet/sing v0.6.7-0.20250409030945-77e2a1bb577c
+	github.com/sagernet/sing v0.6.8-0.20250425035333-84184da91a3a
 	github.com/sagernet/sing-mux v0.3.1
-	github.com/sagernet/sing-quic v0.4.1
+	github.com/sagernet/sing-quic v0.4.1-0.20250423030647-0eb05f373a76
 	github.com/sagernet/sing-shadowsocks v0.2.7
 	github.com/sagernet/sing-shadowsocks2 v0.2.0
 	github.com/sagernet/sing-shadowtls v0.2.1-0.20250316154757-6f9e732e5056
 	github.com/sagernet/sing-tun v0.6.5-0.20250412112220-15069fc1c20a
-	github.com/sagernet/sing-vmess v0.2.0
+	github.com/sagernet/sing-vmess v0.2.1
 	github.com/sagernet/smux v0.0.0-20231208180855-7041f6ea79e7
-	github.com/sagernet/tailscale v1.80.3-mod.2.0.20250422104142-2421001a70ff
+	github.com/sagernet/tailscale v1.80.3-mod.4
 	github.com/sagernet/utls v1.6.7
-	github.com/sagernet/wireguard-go v0.0.1-beta.5
+	github.com/sagernet/wireguard-go v0.0.1-beta.7
 	github.com/sagernet/ws v0.0.0-20231204124109-acfe8907c854
 	github.com/spf13/cobra v1.8.1
 	github.com/stretchr/testify v1.10.0
--- a/go.sum
+++ b/go.sum
@ -178,12 +178,12 @@ github.com/sagernet/quic-go v0.49.0-beta.1/go.mod h1:uesWD1Ihrldq1M3XtjuEvIUqi8W
 github.com/sagernet/reality v0.0.0-20230406110435-ee17307e7691 h1:5Th31OC6yj8byLGkEnIYp6grlXfo1QYUfiYFGjewIdc=
 github.com/sagernet/reality v0.0.0-20230406110435-ee17307e7691/go.mod h1:B8lp4WkQ1PwNnrVMM6KyuFR20pU8jYBD+A4EhJovEXU=
 github.com/sagernet/sing v0.2.18/go.mod h1:OL6k2F0vHmEzXz2KW19qQzu172FDgSbUSODylighuVo=
-github.com/sagernet/sing v0.6.7-0.20250409030945-77e2a1bb577c h1:Zi+WR7f9SQ96yNHmyxj42BtaVb3kTouQ8bQLBHReTSI=
-github.com/sagernet/sing v0.6.7-0.20250409030945-77e2a1bb577c/go.mod h1:ARkL0gM13/Iv5VCZmci/NuoOlePoIsW0m7BWfln/Hak=
+github.com/sagernet/sing v0.6.8-0.20250425035333-84184da91a3a h1:oE67hmp5rzLlE6clE7FpK4Hg6yLXsa1Zu3A01vcazb0=
+github.com/sagernet/sing v0.6.8-0.20250425035333-84184da91a3a/go.mod h1:ARkL0gM13/Iv5VCZmci/NuoOlePoIsW0m7BWfln/Hak=
 github.com/sagernet/sing-mux v0.3.1 h1:kvCc8HyGAskDHDQ0yQvoTi/7J4cZPB/VJMsAM3MmdQI=
 github.com/sagernet/sing-mux v0.3.1/go.mod h1:Mkdz8LnDstthz0HWuA/5foncnDIdcNN5KZ6AdJX+x78=
-github.com/sagernet/sing-quic v0.4.1 h1:pxlMa4efZu/M07RgGagNNDDyl6ZUwpmNUjRTpgHOWK4=
-github.com/sagernet/sing-quic v0.4.1/go.mod h1:tqPa0/Wqa19MkkSlKVZZX5sHxtiDR9BROcn4ufcbVdY=
+github.com/sagernet/sing-quic v0.4.1-0.20250423030647-0eb05f373a76 h1:iwpCX6H3nZEOGUGwx0q5azcgYOA9f6v9YssihXoRKHk=
+github.com/sagernet/sing-quic v0.4.1-0.20250423030647-0eb05f373a76/go.mod h1:tqPa0/Wqa19MkkSlKVZZX5sHxtiDR9BROcn4ufcbVdY=
 github.com/sagernet/sing-shadowsocks v0.2.7 h1:zaopR1tbHEw5Nk6FAkM05wCslV6ahVegEZaKMv9ipx8=
 github.com/sagernet/sing-shadowsocks v0.2.7/go.mod h1:0rIKJZBR65Qi0zwdKezt4s57y/Tl1ofkaq6NlkzVuyE=
 github.com/sagernet/sing-shadowsocks2 v0.2.0 h1:wpZNs6wKnR7mh1wV9OHwOyUr21VkS3wKFHi+8XwgADg=
@ -192,16 +192,16 @@ github.com/sagernet/sing-shadowtls v0.2.1-0.20250316154757-6f9e732e5056 h1:GFNJQ
 github.com/sagernet/sing-shadowtls v0.2.1-0.20250316154757-6f9e732e5056/go.mod h1:HyacBPIFiKihJQR8LQp56FM4hBtd/7MZXnRxxQIOPsc=
 github.com/sagernet/sing-tun v0.6.5-0.20250412112220-15069fc1c20a h1:2aLxZFD2HPCLrnFGpH+KBuPqMOk0cuaDE2dgEvANuMk=
 github.com/sagernet/sing-tun v0.6.5-0.20250412112220-15069fc1c20a/go.mod h1:fisFCbC4Vfb6HqQNcwPJi2CDK2bf0Xapyz3j3t4cnHE=
-github.com/sagernet/sing-vmess v0.2.0 h1:pCMGUXN2k7RpikQV65/rtXtDHzb190foTfF9IGTMZrI=
-github.com/sagernet/sing-vmess v0.2.0/go.mod h1:jDAZ0A0St1zVRkyvhAPRySOFfhC+4SQtO5VYyeFotgA=
+github.com/sagernet/sing-vmess v0.2.1 h1:6izHC2+B68aQCxTagki6eZZc+g5eh4dYwxOV5a2Lhug=
+github.com/sagernet/sing-vmess v0.2.1/go.mod h1:jDAZ0A0St1zVRkyvhAPRySOFfhC+4SQtO5VYyeFotgA=
 github.com/sagernet/smux v0.0.0-20231208180855-7041f6ea79e7 h1:DImB4lELfQhplLTxeq2z31Fpv8CQqqrUwTbrIRumZqQ=
 github.com/sagernet/smux v0.0.0-20231208180855-7041f6ea79e7/go.mod h1:FP9X2xjT/Az1EsG/orYYoC+5MojWnuI7hrffz8fGwwo=
-github.com/sagernet/tailscale v1.80.3-mod.2.0.20250422104142-2421001a70ff h1:PK4zmYqcMpW1a416jKR/y7XTqeyANTcbvux8cAA0Vw8=
-github.com/sagernet/tailscale v1.80.3-mod.2.0.20250422104142-2421001a70ff/go.mod h1:EBxXsWu4OH2ELbQLq32WoBeIubG8KgDrg4/Oaxjs6lI=
+github.com/sagernet/tailscale v1.80.3-mod.4 h1:9UgYq8m9mwX5dbTbueVxbRh+bq7AayxemJGM2PkJQnE=
+github.com/sagernet/tailscale v1.80.3-mod.4/go.mod h1:EBxXsWu4OH2ELbQLq32WoBeIubG8KgDrg4/Oaxjs6lI=
 github.com/sagernet/utls v1.6.7 h1:Ep3+aJ8FUGGta+II2IEVNUc3EDhaRCZINWkj/LloIA8=
 github.com/sagernet/utls v1.6.7/go.mod h1:Uua1TKO/FFuAhLr9rkaVnnrTmmiItzDjv1BUb2+ERwM=
-github.com/sagernet/wireguard-go v0.0.1-beta.5 h1:aBEsxJUMEONwOZqKPIkuAcv4zJV5p6XlzEN04CF0FXc=
-github.com/sagernet/wireguard-go v0.0.1-beta.5/go.mod h1:jGXij2Gn2wbrWuYNUmmNhf1dwcZtvyAvQoe8Xd8MbUo=
+github.com/sagernet/wireguard-go v0.0.1-beta.7 h1:ltgBwYHfr+9Wz1eG59NiWnHrYEkDKHG7otNZvu85DXI=
+github.com/sagernet/wireguard-go v0.0.1-beta.7/go.mod h1:jGXij2Gn2wbrWuYNUmmNhf1dwcZtvyAvQoe8Xd8MbUo=
 github.com/sagernet/ws v0.0.0-20231204124109-acfe8907c854 h1:6uUiZcDRnZSAegryaUGwPC/Fj13JSHwiTftrXhMmYOc=
 github.com/sagernet/ws v0.0.0-20231204124109-acfe8907c854/go.mod h1:LtfoSK3+NG57tvnVEHgcuBW9ujgE8enPSgzgwStwCAA=
 github.com/spf13/cobra v1.8.1 h1:e5/vxKd/rZsfSJMUX1agtjeTDf+qv1/JdBF8gg5k9ZM=
--- a/option/outbound.go
+++ b/option/outbound.go
@ -83,7 +83,6 @@ type DialerOptions struct {
 	NetworkType         badoption.Listable[InterfaceType] `json:"network_type,omitempty"`
 	FallbackNetworkType badoption.Listable[InterfaceType] `json:"fallback_network_type,omitempty"`
 	FallbackDelay       badoption.Duration                `json:"fallback_delay,omitempty"`
-	IsWireGuardListener bool                              `json:"-"`

 	// Deprecated: migrated to domain resolver
 	DomainStrategy DomainStrategy `json:"domain_strategy,omitempty"`
--- a/protocol/ssh/outbound.go
+++ b/protocol/ssh/outbound.go
@ -10,6 +10,7 @@ import (
 	"strconv"
 	"strings"
 	"sync"
+	"time"

 	"github.com/sagernet/sing-box/adapter"
 	"github.com/sagernet/sing-box/adapter/outbound"
@ -191,9 +192,29 @@ func (s *Outbound) DialContext(ctx context.Context, network string, destination
 	if err != nil {
 		return nil, err
 	}
-	return client.Dial(network, destination.String())
+	conn, err := client.Dial(network, destination.String())
+	if err != nil {
+		return nil, err
+	}
+	return &chanConnWrapper{Conn: conn}, nil
 }

 func (s *Outbound) ListenPacket(ctx context.Context, destination M.Socksaddr) (net.PacketConn, error) {
 	return nil, os.ErrInvalid
 }
+
+type chanConnWrapper struct {
+	net.Conn
+}
+
+func (c *chanConnWrapper) SetDeadline(t time.Time) error {
+	return os.ErrInvalid
+}
+
+func (c *chanConnWrapper) SetReadDeadline(t time.Time) error {
+	return os.ErrInvalid
+}
+
+func (c *chanConnWrapper) SetWriteDeadline(t time.Time) error {
+	return os.ErrInvalid
+}
--- a/protocol/wireguard/endpoint.go
+++ b/protocol/wireguard/endpoint.go
@ -45,8 +45,8 @@ func NewEndpoint(ctx context.Context, router adapter.Router, logger log.ContextL
 		logger:         logger,
 		localAddresses: options.Address,
 	}
-	if options.Detour == "" {
-		options.IsWireGuardListener = true
+	if options.Detour != "" && options.ListenPort != 0 {
+		return nil, E.New("`listen_port` is conflict with `detour`")
 	}
 	outboundDialer, err := dialer.NewWithOptions(dialer.Options{
 		Context: ctx,
--- a/protocol/wireguard/outbound.go
+++ b/protocol/wireguard/outbound.go
@ -46,9 +46,7 @@ func NewOutbound(ctx context.Context, router adapter.Router, logger log.ContextL
 		logger:         logger,
 		localAddresses: options.LocalAddress,
 	}
-	if options.Detour == "" {
-		options.IsWireGuardListener = true
-	} else if options.GSO {
+	if options.Detour != "" && options.GSO {
 		return nil, E.New("gso is conflict with detour")
 	}
 	outboundDialer, err := dialer.NewWithOptions(dialer.Options{
--- a/route/conn.go
+++ b/route/conn.go
@ -7,6 +7,7 @@ import (
 	"net"
 	"net/netip"
 	"os"
+	"strings"
 	"sync"
 	"sync/atomic"
 	"time"
@ -66,7 +67,17 @@ func (m *ConnectionManager) NewConnection(ctx context.Context, this N.Dialer, co
 		remoteConn, err = this.DialContext(ctx, N.NetworkTCP, metadata.Destination)
 	}
 	if err != nil {
-		err = E.Cause(err, "open outbound connection")
+		var remoteString string
+		if len(metadata.DestinationAddresses) > 0 {
+			remoteString = "[" + strings.Join(common.Map(metadata.DestinationAddresses, netip.Addr.String), ",") + "]"
+		} else {
+			remoteString = metadata.Destination.String()
+		}
+		var dialerString string
+		if outbound, isOutbound := this.(adapter.Outbound); isOutbound {
+			dialerString = " using outbound/" + outbound.Type() + "[" + outbound.Tag() + "]"
+		}
+		err = E.Cause(err, "open connection to ", remoteString, dialerString)
 		N.CloseOnHandshakeFailure(conn, onClose, err)
 		m.logger.ErrorContext(ctx, err)
 		return
@ -133,8 +144,19 @@ func (m *ConnectionManager) NewPacketConnection(ctx context.Context, this N.Dial
 			remoteConn, err = this.DialContext(ctx, N.NetworkUDP, metadata.Destination)
 		}
 		if err != nil {
+			var remoteString string
+			if len(metadata.DestinationAddresses) > 0 {
+				remoteString = "[" + strings.Join(common.Map(metadata.DestinationAddresses, netip.Addr.String), ",") + "]"
+			} else {
+				remoteString = metadata.Destination.String()
+			}
+			var dialerString string
+			if outbound, isOutbound := this.(adapter.Outbound); isOutbound {
+				dialerString = " using outbound/" + outbound.Type() + "[" + outbound.Tag() + "]"
+			}
+			err = E.Cause(err, "open packet connection to ", remoteString, dialerString)
 			N.CloseOnHandshakeFailure(conn, onClose, err)
-			m.logger.ErrorContext(ctx, "open outbound packet connection: ", err)
+			m.logger.ErrorContext(ctx, err)
 			return
 		}
 		remotePacketConn = bufio.NewUnbindPacketConn(remoteConn)
@ -149,8 +171,13 @@ func (m *ConnectionManager) NewPacketConnection(ctx context.Context, this N.Dial
 			remotePacketConn, err = this.ListenPacket(ctx, metadata.Destination)
 		}
 		if err != nil {
+			var dialerString string
+			if outbound, isOutbound := this.(adapter.Outbound); isOutbound {
+				dialerString = " using outbound/" + outbound.Type() + "[" + outbound.Tag() + "]"
+			}
+			err = E.Cause(err, "listen packet connection using ", dialerString)
 			N.CloseOnHandshakeFailure(conn, onClose, err)
-			m.logger.ErrorContext(ctx, "listen outbound packet connection: ", err)
+			m.logger.ErrorContext(ctx, err)
 			return
 		}
 	}
--- a/route/route.go
+++ b/route/route.go
@ -418,6 +418,7 @@ match:
 					Port: metadata.Destination.Port,
 					Fqdn: routeOptions.OverrideAddress.Fqdn,
 				}
+				metadata.DestinationAddresses = nil
 			}
 			if routeOptions.OverridePort > 0 {
 				metadata.Destination = M.Socksaddr{
--- a/route/rule/rule_default.go
+++ b/route/rule/rule_default.go
@ -102,7 +102,10 @@ func NewDefaultRule(ctx context.Context, logger log.ContextLogger, options optio
 		rule.allItems = append(rule.allItems, item)
 	}
 	if len(options.Domain) > 0 || len(options.DomainSuffix) > 0 {
-		item := NewDomainItem(options.Domain, options.DomainSuffix)
+		item, err := NewDomainItem(options.Domain, options.DomainSuffix)
+		if err != nil {
+			return nil, err
+		}
 		rule.destinationAddressItems = append(rule.destinationAddressItems, item)
 		rule.allItems = append(rule.allItems, item)
 	}
--- a/route/rule/rule_dns.go
+++ b/route/rule/rule_dns.go
@ -93,7 +93,10 @@ func NewDefaultDNSRule(ctx context.Context, logger log.ContextLogger, options op
 		rule.allItems = append(rule.allItems, item)
 	}
 	if len(options.Domain) > 0 || len(options.DomainSuffix) > 0 {
-		item := NewDomainItem(options.Domain, options.DomainSuffix)
+		item, err := NewDomainItem(options.Domain, options.DomainSuffix)
+		if err != nil {
+			return nil, err
+		}
 		rule.destinationAddressItems = append(rule.destinationAddressItems, item)
 		rule.allItems = append(rule.allItems, item)
 	}
--- a/route/rule/rule_headless.go
+++ b/route/rule/rule_headless.go
@ -47,7 +47,10 @@ func NewDefaultHeadlessRule(ctx context.Context, options option.DefaultHeadlessR
 		rule.allItems = append(rule.allItems, item)
 	}
 	if len(options.Domain) > 0 || len(options.DomainSuffix) > 0 {
-		item := NewDomainItem(options.Domain, options.DomainSuffix)
+		item, err := NewDomainItem(options.Domain, options.DomainSuffix)
+		if err != nil {
+			return nil, err
+		}
 		rule.destinationAddressItems = append(rule.destinationAddressItems, item)
 		rule.allItems = append(rule.allItems, item)
 	} else if options.DomainMatcher != nil {
--- a/route/rule/rule_item_domain.go
+++ b/route/rule/rule_item_domain.go
@ -5,6 +5,7 @@ import (

 	"github.com/sagernet/sing-box/adapter"
 	"github.com/sagernet/sing/common/domain"
+	E "github.com/sagernet/sing/common/exceptions"
 )

 var _ RuleItem = (*DomainItem)(nil)
@ -14,7 +15,17 @@ type DomainItem struct {
 	description string
 }

-func NewDomainItem(domains []string, domainSuffixes []string) *DomainItem {
+func NewDomainItem(domains []string, domainSuffixes []string) (*DomainItem, error) {
+	for _, domainItem := range domains {
+		if domainItem == "" {
+			return nil, E.New("domain: empty item is not allowed")
+		}
+	}
+	for _, domainSuffixItem := range domainSuffixes {
+		if domainSuffixItem == "" {
+			return nil, E.New("domain_suffix: empty item is not allowed")
+		}
+	}
 	var description string
 	if dLen := len(domains); dLen > 0 {
 		if dLen == 1 {
@ -40,7 +51,7 @@ func NewDomainItem(domains []string, domainSuffixes []string) *DomainItem {
 	return &DomainItem{
 		domain.NewMatcher(domains, domainSuffixes, false),
 		description,
-	}
+	}, nil
 }

 func NewRawDomainItem(matcher *domain.Matcher) *DomainItem {
--- a/transport/v2raywebsocket/client.go
+++ b/transport/v2raywebsocket/client.go
@ -91,10 +91,7 @@ func (c *Client) dialContext(ctx context.Context, requestURL *url.URL, headers h
 	} else {
 		deadlineConn = conn
 	}
-	err = deadlineConn.SetDeadline(time.Now().Add(C.TCPTimeout))
-	if err != nil {
-		return nil, E.Cause(err, "set read deadline")
-	}
+	deadlineConn.SetDeadline(time.Now().Add(C.TCPTimeout))
 	var protocols []string
 	if protocolHeader := headers.Get("Sec-WebSocket-Protocol"); protocolHeader != "" {
 		protocols = []string{protocolHeader}
--- a/transport/wireguard/endpoint.go
+++ b/transport/wireguard/endpoint.go
@ -141,7 +141,7 @@ func (e *Endpoint) Start(resolve bool) error {
 		return nil
 	}
 	var bind conn.Bind
-	wgListener, isWgListener := e.options.Dialer.(conn.Listener)
+	wgListener, isWgListener := common.Cast[conn.Listener](e.options.Dialer)
 	if isWgListener {
 		bind = conn.NewStdNetBind(wgListener)
 	} else {