On 4/14/20 8:48 AM, David Sterba wrote: > 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. > Thanks for letting me know about. I think I will send it out as a separate patch. Cheers, Longman