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Re: [UPDATED PATCH] Fix check for valid stack pointer during backtrace

To: Thomas Bogendoerfer <tsbogend@alpha.franken.de>
Subject: Re: [UPDATED PATCH] Fix check for valid stack pointer during backtrace
From: Ralf Baechle <ralf@linux-mips.org>
Date: Thu, 15 May 2008 10:31:33 +0100
Cc: linux-mips@linux-mips.org
In-reply-to: <20080512155849.29DB4DE534@solo.franken.de>
Original-recipient: rfc822;linux-mips@linux-mips.org
References: <20080512155849.29DB4DE534@solo.franken.de>
Sender: linux-mips-bounce@linux-mips.org
User-agent: Mutt/1.5.17 (2007-11-01)
On Mon, May 12, 2008 at 05:58:48PM +0200, Thomas Bogendoerfer wrote:

> The newly added check for valid stack pointer address breaks at least for
> 64bit kernels.  Use __get_user() for accessing stack content to avoid crashes,
> when doing the backtrace.
> 
> Signed-off-by: Thomas Bogendoerfer <tsbogend@alpha.franken.de>

Applied.  Thanks,

  Ralf

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