On Mon, 2015-03-02 at 01:02 -0800, Julian Elischer wrote:
> On 2/27/15 8:28 AM, Ian Lepore wrote:
> 
> >
> > Log:
> >    Allow the kern.osrelease and kern.osreldate sysctl values to be set in a
> >    jail's creation parameters.  This allows the kernel version to be 
> > reliably
> >    spoofed within the jail whether examined directly with sysctl or
> >    indirectly with the uname -r and -K options.
> > [..]
> 
> >    There is no sanity or range checking, other than disallowing an empty
> >    release string or a zero release date, by design.  The system
> >    administrator is trusted to set sane values.  Setting values that are
> >    newer than the actual running kernel will likely cause compatibility
> >    problems.
> >    
> I would think that you could at set time ensure that only older 
> releases were allowed..
> I'm not sure what the rule would be with sub-sub-jails..  older than 
> parent, or older than base system..?
> 
> 

I am a really really strong believer in giving administrators complete
control of their systems.  If they want to do "something stupid" because
it works for them, I'm not going to stop them.

-- Ian


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