diff --git a/.github/workflows/codeql-analysis.yml b/.github/workflows/codeql-analysis.yml
index 79850154..fb1e7fd5 100644
--- a/.github/workflows/codeql-analysis.yml
+++ b/.github/workflows/codeql-analysis.yml
@@ -1,9 +1,8 @@
-name: "CodeQL"
+name: CodeQL
 
 on:
   push:
     branches: [ rm ]
-
 jobs:
   analyze:
     name: Analyze
@@ -12,11 +11,11 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        language: [ 'go' ]
+        language: ['go']
 
     steps:
     - name: Checkout repository
-      uses: actions/checkout@v2
+      uses: actions/checkout@v3
 
     - name: Initialize CodeQL
       uses: github/codeql-action/init@v1
diff --git a/.github/workflows/docker.yml b/.github/workflows/docker.yml
index 9074c50b..5a95529c 100644
--- a/.github/workflows/docker.yml
+++ b/.github/workflows/docker.yml
@@ -13,7 +13,7 @@ jobs:
     steps:
 
       - name: Check out code into the Go module directory
-        uses: actions/checkout@v2
+        uses: actions/checkout@v3
         with:
           fetch-depth: 0
 
@@ -52,7 +52,7 @@ jobs:
 
       - name: Get all docker tags
         if: startsWith(github.ref, 'refs/tags/')
-        uses: actions/github-script@v4
+        uses: actions/github-script@v6
         id: tags
         with:
           script: |
diff --git a/.github/workflows/linter.yml b/.github/workflows/linter.yml
index 26d318c3..a81cfc1c 100644
--- a/.github/workflows/linter.yml
+++ b/.github/workflows/linter.yml
@@ -4,9 +4,19 @@ jobs:
   lint:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v3
+
+      - name: Get latest go version
+        id: version
+        run: |
+          echo ::set-output name=go_version::$(curl -s https://raw.githubusercontent.com/actions/go-versions/main/versions-manifest.json | grep -oE '"version": "[0-9]{1}.[0-9]{1,}(.[0-9]{1,})?"' | head -1 | cut -d':' -f2 | sed 's/ //g; s/"//g')
+
+      - name: Setup Go
+        uses: actions/setup-go@v2
+        with:
+          go-version: ${{ steps.version.outputs.go_version }}
+
       - name: golangci-lint
-        uses: golangci/golangci-lint-action@v2
+        uses: golangci/golangci-lint-action@v3
         with:
           version: latest
-          args: --disable-all -E govet -E gofumpt -E megacheck ./...
diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index d293e136..fc838377 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -15,7 +15,7 @@ jobs:
           go-version: ${{ steps.version.outputs.go_version }}
 
       - name: Check out code into the Go module directory
-        uses: actions/checkout@v2
+        uses: actions/checkout@v3
 
       - name: Cache go module
         uses: actions/cache@v2
diff --git a/.github/workflows/stale.yml b/.github/workflows/stale.yml
index 9978d235..1c6b765a 100644
--- a/.github/workflows/stale.yml
+++ b/.github/workflows/stale.yml
@@ -12,7 +12,7 @@ jobs:
     runs-on: ubuntu-latest
 
     steps:
-      - uses: actions/stale@v4
+      - uses: actions/stale@v5
         with:
           stale-issue-message: 'This issue is stale because it has been open 60 days with no activity. Remove stale label or comment or this will be closed in 5 days'
           days-before-stale: 60
diff --git a/component/process/process_linux.go b/component/process/process_linux.go
index be758a69..0ca42716 100644
--- a/component/process/process_linux.go
+++ b/component/process/process_linux.go
@@ -9,7 +9,9 @@ import (
 	"os"
 	"path"
 	"path/filepath"
+	"strings"
 	"syscall"
+	"unicode"
 	"unsafe"
 
 	"github.com/Dreamacro/clash/common/pool"
@@ -219,24 +221,15 @@ func resolveProcessNameByProcSearch(inode, uid int) (string, error) {
 }
 
 func splitCmdline(cmdline []byte) string {
-	indexOfEndOfString := len(cmdline)
+	idx := bytes.IndexFunc(cmdline, func(r rune) bool {
+		return unicode.IsControl(r) || unicode.IsSpace(r)
+	})
 
-	for i, c := range cmdline {
-		if c == 0 {
-			indexOfEndOfString = i
-			break
-		}
-	}
-
-	return filepath.Base(string(cmdline[:indexOfEndOfString]))
+	return filepath.Base(string(cmdline[:idx]))
 }
 
 func isPid(s string) bool {
-	for _, s := range s {
-		if s < '0' || s > '9' {
-			return false
-		}
-	}
-
-	return true
+	return strings.IndexFunc(s, func(r rune) bool {
+		return !unicode.IsDigit(r)
+	}) == -1
 }