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From: William Lee Irwin III <wli@holomorphy.com>
To: Petr Vandrovec <vandrove@vc.cvut.cz>
Cc: linux-kernel@vger.kernel.org
Subject: Re: Use-after-free in pte_chain in 2.6.0-test11
Date: Sat, 13 Dec 2003 14:33:49 -0800	[thread overview]
Message-ID: <20031213223349.GU8039@holomorphy.com> (raw)
In-Reply-To: <20031213223208.GB25959@vana.vc.cvut.cz>

On Sat, Dec 13, 2003 at 02:13:20PM -0800, William Lee Irwin III wrote:
>> CONFIG_DEBUG_PAGEALLOC should have oopsed this...

On Sat, Dec 13, 2003 at 11:32:08PM +0100, Petr Vandrovec wrote:
> Maybe pte_chain is too small to get unmapped (it is 128 bytes here)? Or it is 
> really hardware bug :-(

The alignment flags prevent it.

Anyhow, 6a vs. 5a/5b looks like a bitflip...


-- wli

  reply	other threads:[~2003-12-13 22:33 UTC|newest]

Thread overview: 5+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2003-12-13 22:04 Use-after-free in pte_chain in 2.6.0-test11 Petr Vandrovec
2003-12-13 22:13 ` William Lee Irwin III
2003-12-13 22:32   ` Petr Vandrovec
2003-12-13 22:33     ` William Lee Irwin III [this message]
  -- strict thread matches above, loose matches on Subject: below --
2003-12-13 22:36 Manfred Spraul

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