Re: SEL: double restorecon on systemupgrade F31->F32

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On Mon, May 11, 2020 at 12:55 PM Marius Schwarz <fedoradev@xxxxxxxxxxxx> wrote:
>
> Hi,
>
> while upgrading from F31 to F32, the selpolicy script has executed a
> full restorecon on any main path (/*):
>
> once after installing the package and once on removing the old package (
> aka house keeping the old package ).
>
> As it's not directly a bug, more an intense waste of time and IO, i did
> not open a br for it. Every restorecon took about 50s to 1 minute on a
> 12Gb/s ssd raid. If it could be combined to only one run at the end, it
> would be ok. The system in question was freshly installed with F31 and
> updated before upgrading to F32.

Should (or are) systemd upgrades done in permissive mode to make
certain they can't fail? In which case a pre-relable isn't needed
(probably, I guess there are some exceptions that can result in denial
even in permissive mode?), just the post-upgrade relabel. And maybe it
should be specific to /usr /var /etc/ /boot? I don't think everything
in fstab is assembled in this minimal environment anyway, but I'm not
certain about stomping on everything without being deliberate about
it, in particular /home /opt and /srv.


-- 
Chris Murphy
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