diff --git a/fs/overlayfs/super.c b/fs/overlayfs/super.c
index 7466ff3..3f90c43c 100644
--- a/fs/overlayfs/super.c
+++ b/fs/overlayfs/super.c
@@ -1048,6 +1048,7 @@
 		oe->lowerstack[i].dentry = stack[i].dentry;
 		oe->lowerstack[i].mnt = ufs->lower_mnt[i];
 	}
+	kfree(stack);
 
 	root_dentry->d_fsdata = oe;