Comment # 19 on bug 1170443 from Rainer Klier

(In reply to Josef M�llers from comment #18)
> (In reply to Rainer Klier from comment #17)
> > (In reply to Josef M�llers from comment #16)
> > > (In reply to Rainer Klier from comment #13)
> > > > (In reply to Stanislav Brabec from comment #12)
> > > > > Does your su binary have SUID flag?
> > > > 
> > > Can you please try to change that to
> > > -rwsr-xr-x 1 root root 51320 15. Apr 20:10 /usr/bin/su
> > > eg by "chmod 4755 /usr/bin/su" and try to reproduce the error?
> > 
> > it works now! :-D

and is the "s" bit the correct way, how it should be?

> > so, could it be, that an update on 2020-04-24 changed the SUID flag on the
> > su command?
> 
> This is highly unlikely:
> 1) It would need to be changed explicitly in the package's build
> infrastructure
> 2) As packages are tested before being released, this would definitely have
> shown up in these tests.

so, the one question remains open:
WHY it was suddenly changed?

i didn't do it.

> So, in a nutshell: I'm (really!) afraid we won't know what the root cause
> for this problem is.

yes, that is the remaining problem....

> So I'm closing this bug as FIXED. If you feel this is incorrect, please
> re-open.

ok, if the "s" bit is the correct solution, it is ok for me.
if this problem returns, i know, where to look and check.
and if it returns, i will reopen this ticket.

thank you very much.