Re: [vs-plain] Re: [PATCH] mm: larger stack guard gap, between vmas

From: Andy Lutomirski
Date: Thu Jun 22 2017 - 23:10:57 EST


On Thu, Jun 22, 2017 at 7:34 AM, Willy Tarreau <w@xxxxxx> wrote:
> On Thu, Jun 22, 2017 at 03:14:00PM +0100, Ben Hutchings wrote:
>> On Thu, 2017-06-22 at 15:59 +0200, Willy Tarreau wrote:
>> > but I think Ben is currently looking
>> > for feedback on the validity of his backport which was a difficult
>> > task.
>>
>> Right.
>
> Ben, barring more feedback, I think your should put your patch to your
> stable queue so that Guenter can run his build+boot tests. They managed
> to spot a few issues in my patches and that will make you more confident
> regarding the whole architectures coverage.
>

Has anyone checked how grsecurity deals with this? I think they have
a large stack guard gap.

--Andy