[dependencies] Update golangci/golangci-lint-action action to v8

.github/workflows/build.yml

@@ -647,7 +647,7 @@ jobs:
           git tag v${{ needs.calculate_version.outputs.version }} -f
           echo "VERSION=${{ needs.calculate_version.outputs.version }}" >> "$GITHUB_ENV"
       - name: Download builds
-        uses: actions/download-artifact@v5
+        uses: actions/download-artifact@v4
         with:
           path: dist
           merge-multiple: true

.github/workflows/docker.yml

@@ -107,7 +107,7 @@ jobs:
           echo "latest=$latest"
           echo "latest=$latest" >> $GITHUB_OUTPUT
       - name: Download digests
-        uses: actions/download-artifact@v5
+        uses: actions/download-artifact@v4
         with:
           path: /tmp/digests
           pattern: digests-*

.github/workflows/linux.yml

@@ -175,7 +175,7 @@ jobs:
           git tag v${{ needs.calculate_version.outputs.version }} -f
           echo "VERSION=${{ needs.calculate_version.outputs.version }}" >> "$GITHUB_ENV"
       - name: Download builds
-        uses: actions/download-artifact@v5
+        uses: actions/download-artifact@v4
         with:
           path: dist
           merge-multiple: true

cmd/internal/build_libbox/main.go

@@ -112,8 +112,6 @@ func buildAndroid() {
 		args = append(args, debugFlags...)
 	}
 
-	args = append(args, "-ldflags", "-checklinkname=0")
-
 	tags := append(sharedTags, memcTags...)
 	if debugEnabled {
 		tags = append(tags, debugTags...)

common/listener/listener_udp.go

@@ -164,8 +164,9 @@ func (l *Listener) loopUDPOut() {
 				if l.shutdown.Load() && E.IsClosed(err) {
 					return
 				}
+				l.udpConn.Close()
 				l.logger.Error("udp listener write back: ", destination, ": ", err)
-				continue
+				return
 			}
 			continue
 		case <-l.packetOutboundClosed:

experimental/libbox/pidfd_android.go

@@ -1,19 +0,0 @@
-package libbox
-
-import (
-	"os"
-	_ "unsafe"
-)
-
-// https://github.com/SagerNet/sing-box/issues/3233
-// https://github.com/golang/go/issues/70508
-// https://github.com/tailscale/tailscale/issues/13452
-
-//go:linkname checkPidfdOnce os.checkPidfdOnce
-var checkPidfdOnce func() error
-
-func init() {
-	checkPidfdOnce = func() error {
-		return os.ErrInvalid
-	}
-}