Re: bug in generic strncpy_from_user

From: Linus Torvalds
Date: Tue Feb 26 2013 - 19:30:57 EST


On Tue, Feb 26, 2013 at 3:43 PM, Linus Torvalds
<torvalds@xxxxxxxxxxxxxxxxxxxx> wrote:
>
> So I'll need to extend on that logic a bit more.

Ok, here's the fleshed-out patch. Also fixed to use "expand_stack()",
which is what the page fault handling actually uses. And it has the
GROWSUP case as well as a comment about this all.

So it all looks good. But it's still totally and entirely untested.

Because that's how I roll. Gangsta life!

Linus

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