linux-kernel - Re: [PATCH 3.10 112/139] mm: fix overflow check in expand

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Message-ID: <20171102094449.GB22474@1wt.eu>
Date:   Thu, 2 Nov 2017 10:44:49 +0100
From:   Willy Tarreau <w@....eu>
To:     Geert Uytterhoeven <geert@...ux-m68k.org>
Cc:     "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        stable <stable@...r.kernel.org>,
        Guenter Roeck <linux@...ck-us.net>,
        Helge Deller <deller@....de>, Hugh Dickins <hughd@...gle.com>,
        Oleg Nesterov <oleg@...hat.com>,
        Andrew Morton <akpm@...ux-foundation.org>,
        Linus Torvalds <torvalds@...ux-foundation.org>
Subject: Re: [PATCH 3.10 112/139] mm: fix overflow check in expand_upwards()

On Thu, Nov 02, 2017 at 10:19:43AM +0100, Geert Uytterhoeven wrote:
> On Wed, Nov 1, 2017 at 10:26 PM, Willy Tarreau <w@....eu> wrote:
> > From: Helge Deller <deller@....de>
> >
> > commit 37511fb5c91db93d8bd6e3f52f86e5a7ff7cfcdf upstream.
> >
> > JÃ¶rn Engel noticed that the expand_upwards() function might not return
> 
> Jörn (yeah, the original commit suffers from this, too ;-)

Ah thanks, will fix it. For once it's not me :-) I won't say on a public
place what type of punishment I'd reserve to utf-8's inventor for breaking
the de-facto standard code-points in use for 2 decades, making migration
one way or the other a total pain...

Willy