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

From: Ben Hutchings
Date: Wed Jul 05 2017 - 08:27:30 EST

On Tue, 2017-07-04 at 09:18 -0700, Linus Torvalds wrote:
> > On Tue, Jul 4, 2017 at 4:36 AM, Ben Hutchings <ben@xxxxxxxxxxxxxxx> wrote:
> >
> > That's what I was thinking of.ÂÂTried the following patch:
> >
> > Subject: mmap: Ignore VM_NONE mappings when checking for space to
> > Âexpand the stack
> This looks sane to me.
> I'm going to ignore it in this thread, and assume that it gets sent as
> a patch separately, ok?
> It would be good to have more acks on it.
> Also, separately, John Haxby kind of implied that the LibreOffice
> regression on i386 is already fixed by commit f4cb767d76cf ("mm: fix
> new crash in unmapped_area_topdown()").
> Or was that a separate issue?

They are separate issues.


Ben Hutchings
Anthony's Law of Force: Don't force it, get a larger hammer.

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