Re: [PATCH RFC 1/4] bpf: add cgroup device guard to flag a cgroup device prog

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> So are OK with the checks here?

I'm ok with figuring out whether we can do this nicely, yes.

> > Because right now device access management seems its own form of
> > mandatory access control.
> 
> I'm currently testing an updated version which has incorporated the locking
> changes already mention by Alex and the change which avoids setting SB_I_NODEV
> in fs/super.c.

Not having to hack around SB_I_NODEV would be pretty crucial imho. It's
a core security assumption so we need to integrate with it nicely.



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