Re: [PATCH] x86_64: another fix for canonical RIPs during signal handling

[Andi Kleen]

> If I understand it well, an application which maps address 0 has no way to
> be notified that the kernel detected a corrupted stack pointer. 

It will just not crash again after the application tried to deliberately
crash the kernel.

> I agree 
> that if the proposed patch avoids to make this undesired distinction between
> apps that map addr 0 and those which don't, it would be better to merge it.
> Andi, you said there was nothing wrong with it, do you accept that it gets
> merged ?

As I said, it's not wrong, just not necessary.

-Andi
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