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Date:      Fri, 17 Nov 2006 20:26:38 +0100
From:      Dirk Engling <erdgeist@erdgeist.org>
Cc:        freebsd-hackers@freebsd.org
Subject:   Re: Phantom Jails
Message-ID:  <455E0CEE.9010304@erdgeist.org>
In-Reply-To: <20061117062952.H18512@maildrop.int.zabbadoz.net>
References:  <455D2A7A.90109@erdgeist.org> <20061117062952.H18512@maildrop.int.zabbadoz.net>

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Bjoern A. Zeeb wrote:

> while this works you can also reproduce it if you log out of the jail
> wait for the sockets to go away entirely and then stop the jail
> because what keeps the jail up is not a socket but is related to devfs
> and ?tys.
> 
> http://www.freebsd.org/cgi/query-pr.cgi?pr=kern/89528

So you're implying, that releasing the ucreds, that in this case
obviously prevent prisons from disappearing, won't work due to stuff
that "is releated to devfs and ttys"?

Or was that a kind request to have a look into potential ucred leaks in
tty and devfs code, as well? :)

What unwanted effects could an early release of ucred structures cause?

Maybe it was the wrong list to put that question on, after all, which
would be appropriate?

Regards

  erdgeist
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