Undeletable files after kyua test runs

[Enji Cooper]

> On Jun 29, 2020, at 10:26 AM, Gordon Bergling <gbe at freebsd.org> wrote:
> 
> Hi,
> 
> I recently stumbled across undeletable files that are generated by kyua test runs,
> for example
> 
> -rwxr-xr-x  1 root  wheel  0 May  9 13:10 /tmp/kyua.aB4q62/8676/work/fileforaudit
> 
> I haven't yet identified the test that generate those files, but it is impossible
> to delete them. I have clear_tmp_enable="YES" set in the /etc/rc.conf, but 
> on every boot the system argues that these file aren't deletable. 
> I tried to 'rm -rf' them by hand but, even this wasn't possible. I have looked for
> any extend attributes, but I didn't find any.
> 
> Has anyone an idea how this is possible and may how these files can be deleted?

The issue is tests/sys/audit/file-attribute-modify.c , based on the file present that can’t be deleted. Can you please provide more information about the test run in a PR (I see how it can leave files behind, but I want to make sure it is what I think it is, first)?
Cheers,
-Enji