svn commit: r261266 - in head: sys/dev/drm sys/kern sys/sys usr.sbin/jail

[Ivan Voras]

On 31 January 2014 18:28, James Gritton <jamie at freebsd.org> wrote:
> On 1/31/2014 5:34 AM, Robert Watson wrote:

>> Frankly, I'd like to see this backed out and not reintroduced.  If it must
>> be retained, then it needs a much more clear warning that enabling this
>> feature disables Jail's security model.  Don't use the word 'obviate',
>> instead explicitly state that root within the jail can escape the jail.
>>
>> Robert
>
> I'll do at least the next-best thing: back it out and hope to re-introduce
> it.  Clearly it could use some further discussion.

How about outputting both a kernel (i.e. logged) and userland messages
when the jail is created (or the parameter is changed, if it can?)
which say something like "DANGER! The root within this jail (jid=%d)
can escape the jail" or something like it? That seems reasonably loud.