Undeletable files after kyua test runs

[Enji Cooper]

> On Jul 2, 2020, at 7:57 PM, Enji Cooper <yaneurabeya at gmail.com> wrote:
> 
>> 
>> 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)?

	PR filed: https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=247761 <https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=247761> . Working on a CR.
Thanks,
-Enji