diff --git a/tests/overlay/054 b/tests/overlay/054
index f7ade96b..a1011e42 100755
--- a/tests/overlay/054
+++ b/tests/overlay/054
@@ -22,6 +22,9 @@
 # dir rename support (redirect_dir).
 # NFS export support depends on and requires overlayfs index feature.
 #
+# Regression test for kernel commit 2ca3c148a062 ("ovl: check lower ancestry
+# on encode of lower dir file handle")
+#
 #-----------------------------------------------------------------------
 # Copyright (C) 2018 CTERA Networks. All Rights Reserved.
 # Author: Amir Goldstein <amir73il@gmail.com>
diff --git a/tests/overlay/055 b/tests/overlay/055
index 02da6ef1..0bb90390 100755
--- a/tests/overlay/055
+++ b/tests/overlay/055
@@ -20,6 +20,9 @@
 # dir rename support (redirect_dir).
 # NFS export support depends on and requires overlayfs index feature.
 #
+# Regression test for kernel commit 2ca3c148a062 ("ovl: check lower ancestry
+# on encode of lower dir file handle")
+#
 #-----------------------------------------------------------------------
 # Copyright (C) 2018 CTERA Networks. All Rights Reserved.
 # Author: Amir Goldstein <amir73il@gmail.com>