Date: Thu, 22 Jun 2017 15:59:27 +0200
From: Willy Tarreau <w@1wt.eu>
To: Levente Polyak <anthraxx@archlinux.org>
Cc: Ben Hutchings <ben@decadent.org.uk>, Hugh Dickins <hughd@google.com>,
        Linus Torvalds <torvalds@linux-foundation.org>,
        Oleg Nesterov <oleg@redhat.com>, Michal Hocko <mhocko@kernel.org>,
        "Jason A. Donenfeld" <Jason@zx2c4.com>, Rik van Riel <riel@redhat.com>,
        Larry Woodman <lwoodman@redhat.com>,
        "Kirill A. Shutemov" <kirill@shutemov.name>,
        Tony Luck <tony.luck@intel.com>,
        "James E.J. Bottomley" <jejb@parisc-linux.org>,
        Helge Diller <deller@gmx.de>, James Hogan <james.hogan@imgtec.com>,
        Laura Abbott <labbott@redhat.com>, Greg KH <greg@kroah.com>,
        security@kernel.org, linux-distros@vs.openwall.org, qsa@qualys.com,
        stable <stable@vger.kernel.org>, LKML <linux-kernel@vger.kernel.org>
Subject: Re: [vs-plain] Re: [PATCH] mm: larger stack guard gap, between vmas
Message-ID: <20170622135927.GA22684@1wt.eu>
References: <alpine.LSU.2.11.1706190355140.2626@eggly.anvils>
 <20170622123045.GA2694@decadent.org.uk>
 <20170622124659.GE22510@1wt.eu>
 <1498136291.2655.24.camel@decadent.org.uk>
 <dfd47818-d0fb-27e7-bfd0-01f7c75934b5@archlinux.org>
MIME-Version: 1.0
Content-Type: text/plain; charset=us-ascii
Content-Disposition: inline
In-Reply-To: <dfd47818-d0fb-27e7-bfd0-01f7c75934b5@archlinux.org>
User-Agent: Mutt/1.6.1 (2016-04-27)
Sender: linux-kernel-owner@vger.kernel.org
Content-Length: 805
Lines: 21

Hi,

On Thu, Jun 22, 2017 at 03:15:51PM +0200, Levente Polyak wrote:
> Just a side note, but i think its worth mentioning to also have look at
> these fixup patches:
> 
> 
> -- mm: fix new crash in unmapped_area_topdown()
> https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=f4cb767d76cf7ee72f97dd76f6cfa6c76a5edc89

As I mentionned in another mail (this thread starts to be huge), this
one seems to have already been included in Ben's backport.

> -- Allow stack to grow up to address space limit
> https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=bd726c90b6b8ce87602208701b208a208e6d5600

This one cleanly applies after, but I think Ben is currently looking
for feedback on the validity of his backport which was a difficult task.

Regards,
Willy