Merge pull request opencontainers#1516 from cyphar/list-casting-unicode

list: fix various problems with owner field

Author: hqhq

libcontainer/factory_linux.go

@@ -162,14 +162,6 @@ func (l *LinuxFactory) Create(id string, config *configs.Config) (Container, err
 	if err := l.Validator.Validate(config); err != nil {
 		return nil, newGenericError(err, ConfigInvalid)
 	}
-	uid, err := config.HostRootUID()
-	if err != nil {
-		return nil, newGenericError(err, SystemError)
-	}
-	gid, err := config.HostRootGID()
-	if err != nil {
-		return nil, newGenericError(err, SystemError)
-	}
 	containerRoot := filepath.Join(l.Root, id)
 	if _, err := os.Stat(containerRoot); err == nil {
 		return nil, newGenericError(fmt.Errorf("container with id exists: %v", id), IdInUse)
@@ -179,7 +171,7 @@ func (l *LinuxFactory) Create(id string, config *configs.Config) (Container, err
 	if err := os.MkdirAll(containerRoot, 0711); err != nil {
 		return nil, newGenericError(err, SystemError)
 	}
-	if err := os.Chown(containerRoot, uid, gid); err != nil {
+	if err := os.Chown(containerRoot, unix.Geteuid(), unix.Getegid()); err != nil {
 		return nil, newGenericError(err, SystemError)
 	}
 	if config.Rootless {

list.go

@@ -135,7 +135,7 @@ func getContainers(context *cli.Context) ([]containerState, error) {
 			stat := item.Sys().(*syscall.Stat_t)
 			owner, err := user.LookupUid(int(stat.Uid))
 			if err != nil {
-				owner.Name = string(stat.Uid)
+				owner.Name = fmt.Sprintf("#%d", stat.Uid)
 			}
 
 			container, err := factory.Load(item.Name())