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Date: Wed, 25 Dec 2013 22:50:00 +0000
From: RW <rwmaillists@googlemail.com>
To: freebsd-security@freebsd.org
Subject: Re: [PATCH RFC] Disable save-entropy in jails
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On Wed, 25 Dec 2013 22:24:27 +0100
Pawel Jakub Dawidek wrote:


> We could do the same for save-entropy. It would be even nicer to have
> some flag so that even sysctl(8) is not executed.

The only security consideration here is that a bug in that conditional
test might prevent entropy being saved. The benefit is saving a few  KBs
of disk space and a few cpu cycles a few times an hour. Tiny risk, even
tinier benefit IMO.