linux-kernel - Re: [PATCH] VFS: add config options to enable link restrictions

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Message-ID: <CAGXu5jK4-=c96YgrNJ+SLYZdqpG5WtR4WkfrSdwOwqt2pm5dFw@mail.gmail.com>
Date:	Fri, 26 Oct 2012 14:41:37 -0700
From:	Kees Cook <keescook@...omium.org>
To:	Linus Torvalds <torvalds@...ux-foundation.org>
Cc:	linux-kernel@...r.kernel.org,
	Alexander Viro <viro@...iv.linux.org.uk>,
	linux-fsdevel@...r.kernel.org
Subject: Re: [PATCH] VFS: add config options to enable link restrictions

On Fri, Oct 26, 2012 at 1:27 PM, Linus Torvalds
<torvalds@...ux-foundation.org> wrote:
> On Fri, Oct 26, 2012 at 1:23 PM, Kees Cook <keescook@...omium.org> wrote:
>>
>> I'd like it to be the exception to turn it _off_, rather than the
>> exception to turn it on.
>
> Kees, you don't seem to understand.
>
> Breaking applications is unacceptable. End of story. It's broken them.
> Get over it.

No, I get that. I've been over it. I can handle it being off by
default. I just want there to be a way to make it enabled at build
time. I'll explore some other options; it's sensible to tie it to
other settings/things that are security-sensitive.

-Kees

-- 
Kees Cook
Chrome OS Security
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