Re: [PATCH 2/4] x86: Fix the hw_breakpoint range check

Borislav Petkov
2013-11-25T20:11:34Z

On Mon, Nov 25, 2013 at 08:50:28PM +0100, Oleg Nesterov wrote:
> This won't work if va + len overflows?

Oh, right,

> Perhaps we should makes this clear, and we can even check the overflow
> in the generic code (iirc Linus suggested to do this).

maybe something like

((va + len - 1) >= TASK_SIZE) || ((va + len - 1) < va)

--
Regards/Gruss,
Boris.

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