<snip>

> 
> As a _singlular_ argument, "it's for out-of-tree code" is weak. As an 
> _additional_
> argument, it has value. Saying "this only helps out-of-tree code" doesn't 
> carry
> much weight. Saying "this helps kernel security, even for out-of-tree code" is
> perfectly valid. And a wrinkle in this is that some day, either that 
> out-of-tree
> code, or brand new code, will land in the kernel, and we don't want to 
> continue
> to require authors be aware of an opt-in security feature. The kernel should
> protect itself (and all of itself, including out-of-tree or future code) by 
> default.
> 

I should have made this more clear in my message, this was in my head and I 
assumed
that people would just get it. But I shouldn't have made such an assumption.

> And based on my read of this thread, we all appear to be in violent 
> agreement. :)
> "always protect %p" is absolutely the goal, and we can figure out the best 
> way to
> get there.
> 
> -Kees
> 
> --
> Kees Cook
> Nexus Security

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