Re: [PATCH v2012.2] fs: symlink restrictions on sticky directories

[Andrew Morton]

On Fri, 17 Feb 2012 15:36:09 -0800
Kees Cook <keescook@xxxxxxxxxxxx> wrote:

> > I think I disagree with this. __If the person compiling the kernel
> > includes the feature in his kernel via the time-honoured process of
> > "wtf is that thing? __Yeah, whatev", it gets turned on by default. __This
> > could easily result in weird failures which would take a *long* time
> > for an unsuspecting person to debug.
> >
> > Would it not be kinder to our users to start this out as
> > turned-off-at-runtime unless the kernel configurer has deliberately
> > gone in and enabled it?
> 
> There was a fair bit of back-and-forth discussion about it.
> Originally, I had it disabled, but, IIRC, Ingo urged me to have it be
> the default. I can sent a patch to disable it if you want.

What is the reasoning behind the current setting?
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