Bump github.com/klauspost/cpuid/v2 from 2.4.0 to 2.4.1

Bumps [github.com/klauspost/cpuid/v2](https://github.com/klauspost/cpuid) from 2.4.0 to 2.4.1.
- [Release notes](https://github.com/klauspost/cpuid/releases)
- [Commits](https://github.com/klauspost/cpuid/compare/v2.4.0...v2.4.1)

---
updated-dependencies:
- dependency-name: github.com/klauspost/cpuid/v2
  dependency-version: 2.4.1
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <support@github.com>

common/net/find_process_linux.go

@@ -26,20 +26,20 @@ func FindProcess(network, srcIP string, srcPort uint16, destIP string, destPort
 		panic("Unsupported network type for process lookup.")
 	}
 
-	var procFiles []string
+	var procFile string
 
 	switch network {
 	case "tcp":
 		if net.ParseIP(srcIP).To4() != nil {
-			procFiles = []string{"/proc/net/tcp"}
+			procFile = "/proc/net/tcp"
 		} else {
-			procFiles = []string{"/proc/net/tcp6"}
+			procFile = "/proc/net/tcp6"
 		}
 	case "udp":
 		if net.ParseIP(srcIP).To4() != nil {
-			procFiles = []string{"/proc/net/udp", "/proc/net/udp6"}
+			procFile = "/proc/net/udp"
 		} else {
-			procFiles = []string{"/proc/net/udp6", "/proc/net/udp"}
+			procFile = "/proc/net/udp6"
 		}
 	default:
 		panic("Unsupported network type for process lookup.")
@@ -50,17 +50,12 @@ func FindProcess(network, srcIP string, srcPort uint16, destIP string, destPort
 		return 0, "", "", errors.New("failed to format address: ", err)
 	}
 
-	portFallback := ""
-	if network == "udp" {
-		portFallback = fmt.Sprintf(":%04X", srcPort)
-	}
-
-	inode, err := findInodeInFiles(procFiles, targetHexAddr, portFallback)
+	inode, err := findInodeInFile(procFile, targetHexAddr)
 	if err != nil {
-		return 0, "", "", errors.New("could not search in ", strings.Join(procFiles, " and ")).Base(err)
+		return 0, "", "", errors.New("could not search in ", procFile).Base(err)
 	}
 	if inode == "" {
-		return 0, "", "", errors.New("connection for ", srcIP, ":", srcPort, " not found in ", strings.Join(procFiles, " or "))
+		return 0, "", "", errors.New("connection for ", srcIP, ":", srcPort, " not found in ", procFile)
 	}
 
 	pidStr, err := findPidByInode(inode)
@@ -107,43 +102,31 @@ func formatLittleEndianString(addr net.IP, port Port) (string, error) {
 	return fmt.Sprintf("%s:%s", ipHex, portHex), nil
 }
 
-func findInodeInFiles(filePaths []string, targetHexAddr, portFallback string) (string, error) {
-	onlyMatchedPort := ""
+func findInodeInFile(filePath, targetHexAddr string) (string, error) {
+	file, err := os.Open(filePath)
+	if err != nil {
+		return "", err
+	}
+	defer file.Close()
 
-	for i, filePath := range filePaths {
-		file, err := os.Open(filePath)
-		if err != nil {
-			if i > 0 && os.IsNotExist(err) {
-				continue
-			}
-			return "", err
+	scanner := bufio.NewScanner(file)
+
+	for scanner.Scan() {
+		line := scanner.Text()
+		fields := strings.Fields(line)
+
+		if len(fields) < 10 {
+			continue
 		}
-		defer file.Close()
 
-		scanner := bufio.NewScanner(file)
-		for scanner.Scan() {
-			fields := strings.Fields(scanner.Text())
-			if len(fields) < 10 {
-				continue
-			}
-
-			localAddress := fields[1]
-			if localAddress == targetHexAddr {
-				return fields[9], nil
-			}
-			if portFallback != "" && strings.HasSuffix(localAddress, portFallback) {
-				wildcardIP := strings.TrimSuffix(localAddress, portFallback)
-				if (len(wildcardIP) == 8 || len(wildcardIP) == 32) && strings.Trim(wildcardIP, "0") == "" {
-					onlyMatchedPort = fields[9]
-				}
-			}
-		}
-		if err := scanner.Err(); err != nil {
-			return "", err
+		localAddress := fields[1]
+		if localAddress == targetHexAddr {
+			inode := fields[9]
+			return inode, nil
 		}
 	}
 
-	return onlyMatchedPort, nil
+	return "", scanner.Err()
 }
 
 func findPidByInode(inode string) (string, error) {

go.mod

@@ -9,7 +9,7 @@ require (
 	github.com/google/go-cmp v0.7.0
 	github.com/google/uuid v1.6.0
 	github.com/gorilla/websocket v1.5.3
-	github.com/klauspost/cpuid/v2 v2.4.0
+	github.com/klauspost/cpuid/v2 v2.4.1
 	github.com/libp2p/go-nat v1.0.1-0.20250821073202-01afc089f138
 	github.com/miekg/dns v1.1.73
 	github.com/pelletier/go-toml v1.9.5

go.sum

@@ -33,8 +33,8 @@ github.com/juju/ratelimit v1.0.2 h1:sRxmtRiajbvrcLQT7S+JbqU0ntsb9W2yhSdNN8tWfaI=
 github.com/juju/ratelimit v1.0.2/go.mod h1:qapgC/Gy+xNh9UxzV13HGGl/6UXNN+ct+vwSgWNm/qk=
 github.com/klauspost/compress v1.20.0 h1:a3C1ke2ohxFymNlb2HWAHjDeKCI90scRskErZkR0ezA=
 github.com/klauspost/compress v1.20.0/go.mod h1:LUdAzn7YLVvxLpc7y3V1m40wESHTgc1422pwwBSKYuI=
-github.com/klauspost/cpuid/v2 v2.4.0 h1:S6Hrbc7+ywsr0r+RLapfGBHfyefhCTwEh3A0tV913Dw=
-github.com/klauspost/cpuid/v2 v2.4.0/go.mod h1:19jmZ9mjzoF//ddRSUsv0zfBTJWh3QJh9FNxZTMrGxU=
+github.com/klauspost/cpuid/v2 v2.4.1 h1:I9KxadAkvo+QjtcEE2f2tyfEvmIla/T0m+14PrZNl0U=
+github.com/klauspost/cpuid/v2 v2.4.1/go.mod h1:19jmZ9mjzoF//ddRSUsv0zfBTJWh3QJh9FNxZTMrGxU=
 github.com/koron/go-ssdp v0.0.4 h1:1IDwrghSKYM7yLf7XCzbByg2sJ/JcNOZRXS2jczTwz0=
 github.com/koron/go-ssdp v0.0.4/go.mod h1:oDXq+E5IL5q0U8uSBcoAXzTzInwy5lEgC91HoKtbmZk=
 github.com/kr/pretty v0.3.1 h1:flRD4NNwYAUpkphVc1HcthR4KEIFJ65n8Mw5qdRn3LE=