linux-hardening - Re: Reconsider possibility to disable icotl TIOCSTI

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Date:   Fri, 14 Oct 2022 23:45:52 -0700
From:   Kees Cook <keescook@...omium.org>
To:     Greg KH <gregkh@...uxfoundation.org>
Cc:     Simon Brand <simon.brand@...tadigitale.de>,
        linux-hardening@...r.kernel.org
Subject: Re: Reconsider possibility to disable icotl TIOCSTI

On Sat, Oct 15, 2022 at 07:42:28AM +0200, Greg KH wrote:
> On Fri, Oct 14, 2022 at 09:37:04PM -0700, Kees Cook wrote:
> > On Fri, Oct 14, 2022 at 07:51:11PM +0000, Simon Brand wrote:
> > > please reconsider to add a possibility to disable icotl TIOCSTI.
> > 
> > Yeah, please, let's. I always wanted to, and its use case is very
> > narrow. Even OpenBSD has removed it, somewhat motivated by the attempt
> > to remove it from Linux in 2017. I've sent this now:
> > 
> > https://lore.kernel.org/linux-hardening/20221015041626.1467372-2-keescook@chromium.org/
> 
> Looks good to me, I'll queue it up once -rc1 is out.

Thanks! I sent a v2 to fix two small errors.

-- 
Kees Cook