@@ -74,13 +74,17 @@ func untarHandler(tarArchive io.Reader, dest string, options *archive.TarOptions

 		options.ExcludePatterns = []string{}

 	}

-	idMapping := idtools.NewIDMappingsFromMaps(options.UIDMaps, options.GIDMaps)

-	rootIDs := idMapping.RootPair()

+	// If dest is inside a root then directory is created within chroot by extractor.

+	// This case is only currently used by cp.

+	if dest == root {

+		idMapping := idtools.NewIDMappingsFromMaps(options.UIDMaps, options.GIDMaps)

+		rootIDs := idMapping.RootPair()

-	dest = filepath.Clean(dest)

-	if _, err := os.Stat(dest); os.IsNotExist(err) {

-		if err := idtools.MkdirAllAndChownNew(dest, 0755, rootIDs); err != nil {

-			return err

+		dest = filepath.Clean(dest)

+		if _, err := os.Stat(dest); os.IsNotExist(err) {

+			if err := idtools.MkdirAllAndChownNew(dest, 0755, rootIDs); err != nil {

+				return err

+			}

 		}

 	}