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From: Mikael Pettersson <mikpe@it.uu.se>
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>,
	Matt Mackall <mpm@selenic.com>,
	Andrew Morton <akpm@linux-foundation.org>
Subject: Re: [PATCH v2] mm: Fix possible off-by-one in walk_pte_range()
Date: Wed, 16 Apr 2008 09:48:55 +0200	[thread overview]
Message-ID: <18437.44903.306912.321024@harpo.it.uu.se> (raw)
In-Reply-To: <8763ujhz4a.fsf_-_@saeurebad.de>

Johannes Weiner writes:
 > 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>
 > CC: Roel Kluin <12o3l@tiscali.nl>
 > CC: Andreas Schwab <schwab@suse.de>
 > CC: Matt Mackall <mpm@selenic.com>
 > CC: Andrew Morton <akpm@linux-foundation.org>

Thanks, v2 looks much nicer.

Acked-by: Mikael Pettersson <mikpe@it.uu.se>

      parent reply	other threads:[~2008-04-16  7:50 UTC|newest]

Thread overview: 5+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2008-04-15 14:00 [PATCH] " 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
2008-04-16  7:48     ` Mikael Pettersson [this message]

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