Re: [PATCH 0/2] Fatal signal handing within uaccess faults

From: Andy Lutomirski
Date: Tue Jul 11 2017 - 11:05:32 EST

On Tue, Jul 11, 2017 at 7:16 AM, Mark Rutland <mark.rutland@xxxxxxx> wrote:
> Hi,
> Arch maintainer tl;dr: most arch fault code doesn't handle fatal signals
> correctly, allowing unprivileged users to create an unkillable task which can
> lock up the system. Please check whether your arch is affected.

I haven't tested for real, but brief inspection of the code suggests
that x86 is okay.