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Date: Sat, 3 Jun 2017 23:00:48 +0100
From: Alan Cox <gnomes@lxorguk.ukuu.org.uk>
To: Matt Brown <matt@nmatt.com>
Cc: "Serge E. Hallyn" <serge@hallyn.com>,
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Subject: Re: [kernel-hardening] Re: [PATCH v7 2/2] security: tty: make
 TIOCSTI ioctl require CAP_SYS_ADMIN
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> TIOCSLCKTRMIOS

That one I'm more dubious about

> TIOCSLTC
> TIOCSSOFTCAR

tty_io.c also has a few and n_tty has a couple we'd want.

> 
> would it be overkill to have a sysctl kernel.ttyioctlwhitelist.X where X
> is one of the ioctls above?

Why would anyone want to change the entries on that list

Alan