On Mon, Apr 13, 2020 at 05:15:49PM -0400, Waiman Long wrote: > fs/btrfs/ioctl.c | 2 +- > diff --git a/fs/btrfs/ioctl.c b/fs/btrfs/ioctl.c > index 40b729dce91c..eab3f8510426 100644 > --- a/fs/btrfs/ioctl.c > +++ b/fs/btrfs/ioctl.c > @@ -2691,7 +2691,7 @@ static int btrfs_ioctl_get_subvol_info(struct file *file, void __user *argp) > btrfs_put_root(root); > out_free: > btrfs_free_path(path); > - kzfree(subvol_info); > + kfree_sensitive(subvol_info); This is not in a sensitive context so please switch it to plain kfree. With that you have my acked-by. Thanks.