On Mon, 25 Jul 2022 13:56:50 -0700 Jacob Keller <jacob.e.keller@xxxxxxxxx> wrote: > To avoid potential issues, only allow the attribute to be added to > commands when the kernel recognizes it. This is important because some > commands do not perform strict validation. If we were to add the > attribute without this check, an old kernel may silently accept the > command and perform an update even when dry_run was requested. Sigh. Looks like the old kernels are buggy. The workaround in userspace is also likely to be source of bugs.