From: Matt Mackall <mpm@selenic.com>
To: Johannes Weiner <hannes@saeurebad.de>
Cc: Mikael Pettersson <mikpe@it.uu.se>,
LKML <linux-kernel@vger.kernel.org>,
Roel Kluin <12o3l@tiscali.nl>, Andreas Schwab <schwab@suse.de>,
Andrew Morton <akpm@linux-foundation.org>
Subject: Re: [PATCH v2] mm: Fix possible off-by-one in walk_pte_range()
Date: Tue, 15 Apr 2008 14:34:56 -0700 [thread overview]
Message-ID: <1208295296.616.1.camel@calx> (raw)
In-Reply-To: <8763ujhz4a.fsf_-_@saeurebad.de>
On Tue, 2008-04-15 at 18:16 +0200, Johannes Weiner wrote:
> From: Johannes Weiner <hannes@saeurebad.de>
> Subject: [PATCH] mm: Fix possible off-by-one in walk_pte_range()
>
> After the loop in walk_pte_range() pte might point to the first address
> after the pmd it walks. The pte_unmap() is then applied to something
> bad.
>
> Spotted by Roel Kluin and Andreas Schwab.
>
> Signed-off-by: Johannes Weiner <hannes@saeurebad.de>
Acked-by: Matt Mackall <mpm@selenic.com>
--
Mathematics is the supreme nostalgia of our time.
next prev parent reply other threads:[~2008-04-15 21:36 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-04-15 14:00 [PATCH] mm: Fix possible off-by-one in walk_pte_range() Johannes Weiner
2008-04-15 15:36 ` Mikael Pettersson
2008-04-15 16:16 ` [PATCH v2] " Johannes Weiner
2008-04-15 21:34 ` Matt Mackall [this message]
2008-04-16 7:48 ` Mikael Pettersson
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