Avoid chown instead fallback to rootpath for user perms (#7874)

Fixes #7864

dockerscripts/check-user.go

@@ -22,7 +22,6 @@ import (
 	"fmt"
 	"log"
 	"os"
-	"os/exec"
 	"os/user"
 	"syscall"
 
@@ -43,14 +42,14 @@ func getUserGroup(path string) (string, error) {
 	if err != nil {
 		// Fresh directory we should default to what was requested by user.
 		if os.IsNotExist(err) {
-			cmd := exec.Command("chown", "-R", defaultUserGroup, path)
-			if err = cmd.Run(); err != nil {
+			fi, err = os.Stat(path)
+			if err != nil {
 				return "", err
 			}
-			return defaultUserGroup, nil
-		}
+		} else {
 			return "", err
 		}
+	}
 	stat, ok := fi.Sys().(*syscall.Stat_t)
 	if !ok {
 		// Unable to figure out uid/gid, default to defaultUserGroup