fix bug while use common user

process_unix.go

@@ -37,7 +37,10 @@ func FindProcess(compare func(Process) bool) (datas []Process, err error) {
 	}
 	for _, v := range paths {
 		if v.IsDir() && Exists("/proc/"+v.Name()+"/comm") {
-			name, _ = readAsString("/proc/" + v.Name() + "/comm")
+			name, err = readAsString("/proc/" + v.Name() + "/comm")
+			if err != nil {
+				continue
+			}
 			var tmp Process
 			tmp.LocalPath, err = os.Readlink("/proc/" + v.Name() + "/exe")
 			tmp.Path = tmp.LocalPath
@@ -124,7 +127,13 @@ func FindProcessByPid(pid int64) (datas Process, err error) {
 		return
 	}
 	name, err = readAsString("/proc/" + fmt.Sprint(pid) + "/comm")
+	if err != nil {
+		return err
+	}
 	main, err = readAsString("/proc/" + fmt.Sprint(pid) + "/status")
+	if err != nil {
+		return err
+	}
 	data := splitBy(main, ":")
 	datas.Name = strings.TrimSpace(name)
 	datas.Pid, _ = strconv.ParseInt(data["Pid"], 10, 64)
@@ -167,15 +176,9 @@ func FindProcessByPid(pid int64) (datas Process, err error) {
 	}
 
 	datas.LocalPath, err = os.Readlink("/proc/" + fmt.Sprint(pid) + "/exe")
-	if err != nil {
-		return
-	}
 	datas.Path = datas.LocalPath
 	datas.LocalPath = filepath.Dir(datas.LocalPath)
 	datas.ExecPath, err = os.Readlink("/proc/" + fmt.Sprint(pid) + "/cwd")
-	if err != nil {
-		return
-	}
 	main, err = readAsString("/proc/" + fmt.Sprint(pid) + "/stat")
 	if err != nil {
 		return