[LTP] [PATCH 4/7] syscalls/kill05: Use any two unprivileged users

[Cyril Hrubis]

Hi!
> > I do wonder if we have to lookup the UIDs in this case. As long as I
> > understand the test correctly we are testing that no signals are send to
> > a process if the sender real of effective UID do not match either of
> > real and saved set UIDs of the receiving process. If my understanding is
> > correct we can just take two arbitrary UIDs that != 0 and the test
> > should work just fine.
> 
> We could just use UID 1 and 2 for this test but I'd rather not assume
> that set*uid() functions allow setting unused UIDs. Even if it works
> now, it could easily break in the future or on some special system auth
> backends.

Don't we already depend on being able to use unused GID? How is this
different?

-- 
Cyril Hrubis
chrubis@suse.cz