linux-kernel - Re: mm: NULL ptr deref handling mmaping of special mappings

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Message-ID: <20140515201914.GS28328@moon>
Date:	Fri, 16 May 2014 00:19:14 +0400
From:	Cyrill Gorcunov <gorcunov@...il.com>
To:	Andy Lutomirski <luto@...capital.net>
Cc:	Andrew Morton <akpm@...ux-foundation.org>,
	Sasha Levin <sasha.levin@...cle.com>,
	"linux-mm@...ck.org" <linux-mm@...ck.org>,
	Dave Jones <davej@...hat.com>,
	LKML <linux-kernel@...r.kernel.org>,
	Pavel Emelyanov <xemul@...allels.com>
Subject: Re: mm: NULL ptr deref handling mmaping of special mappings

On Thu, May 15, 2014 at 12:59:04PM -0700, Andy Lutomirski wrote:
> >>
> >> What version and bitness is this?
> >
> > x86-64, 3.15-rc5
> 
> Aha.  Give tip/x86/vdso or -next a try or boot a 32-bit 3.15-rc kernel
> and you'll see it.

I see what you mean. We're rather targeting on bare x86-64 at the moment
but compat mode is needed as well (not yet implemented though). I'll take
a precise look into this area. Thanks!
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