From: Theodore Ts'o <tytso@mit.edu>
Subject: Re: 3.5.1 kernel: Oops + stracktrace + ext4 kernel errors!
Date: Fri, 24 Aug 2012 18:38:54 -0400
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Cc: linux-kernel@vger.kernel.org, linux-ext4@vger.kernel.org,
	al piszcz <ap@solarrain.com>
To: Justin Piszcz <jpiszcz@lucidpixels.com>
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On Fri, Aug 24, 2012 at 11:31:44AM -0400, Justin Piszcz wrote:
> Hello,
> 
> Thoughts?
> 
> Saw this when trying to copy files to array with Samba and doing file
> operations:
> 
> [28939.505792] ------------[ cut here ]------------
> [29367.345433] BUG: unable to handle kernel NULL pointer dereference
> at 0000000000000028
> [29367.345455] IP: [<ffffffff8116539c>] ext4_ext_remove_space+0x89c/0xc90

Fixed by commit 89a4e48f84 in upstream.  It is scheduled for inclusion
in the a stable kernel series; I believe it should be in 3.5.3.

Regards,

					- Ted