Re: [ 22/42] sched/debug: Fix sd->*_idx limit range avoiding overflow

[Ingo Molnar]

* Ben Hutchings <ben@xxxxxxxxxxxxxxx> wrote:

> On Tue, 2013-04-23 at 14:52 -0700, Greg Kroah-Hartman wrote:
> > 3.8-stable review patch.  If anyone has any objections, please let me know.
> > 
> > ------------------
> > 
> > From: libin <huawei.libin@xxxxxxxxxx>
> > 
> > commit fd9b86d37a600488dbd80fe60cca46b822bff1cd upstream.
> > 
> > Commit 201c373e8e ("sched/debug: Limit sd->*_idx range on
> > sysctl") was an incomplete bug fix.
> [...]
> 
> It seems like both these commits ought to be applied to earlier stable
> branches.  Or was the lack of range checking a regression after 3.4?

Both should be applied indeed.

They are not a huge problem as all these facilities are for debugging and 
are root-only, but the two fixes should be applied together or not at all.

Thanks,

	Ingo
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