linux-kernel - Re: 2.6.23-mm1: BUG in reiserfs_delete

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Message-ID: <4713CC33.4040900@suse.com>
Date:	Mon, 15 Oct 2007 16:23:15 -0400
From:	Jeff Mahoney <jeffm@...e.com>
To:	Laurent Riffard <laurent.riffard@...e.fr>
Cc:	Christoph Hellwig <hch@...radead.org>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Dave Hansen <haveblue@...ibm.com>,
	linux-kernel@...r.kernel.org, linux-fsdevel@...r.kernel.org,
	reiserfs-devel@...r.kernel.org
Subject: Re: 2.6.23-mm1: BUG in reiserfs_delete_xattrs

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Laurent Riffard wrote:
> Le 15.10.2007 20:31, Jeff Mahoney a écrit :
>> Christoph Hellwig wrote:
>>> On Mon, Oct 15, 2007 at 12:34:58AM +0200, Laurent Riffard wrote:
>>>> reiserfs_delete_xattrs
>>>> reiserfs_delete_inode
>>>> generic_delete_inode
>>>> generic_drop_inode
>>>> iput
>>>> do_unlinkat
>>>> sys_unlink
>>>> sys_enter_past_esp
>>>>
>>>> I reported a similar BUG in 2.6.22-rc8-mm2 (see
>>>> http://lkml.org/lkml/2007/9/27/235). Dave Hansen sent a patch for it, I
>>>> tested it and it was OK for 2.6.22-rc8-mm2.
>>>>
>>>> I tried this patch on 2.6.23-mm1, and it fixed the BUGs here too.
>>> The delete path is a similar case as the one Dave fixed, also cause by
>>> a NULL vfsmount passed to dentry_open, but through a different code-path.
>>>
>>> Untested fix for this problem below:
>> Here's a patch I worked up the other night that kills off struct file
>> completely from the xattr code. I've tested it locally.
> 
> Sorry Jeff, your patch does not apply on 2.6.23-mm1. The 'struct file'
> removal from reiserfs_xattr_ function is already in -mm
> (make-reiserfs-stop-using-struct-file-for-internal.patch).
> 
> The Dave's patch I was refering to is this one: 

I'd guess not. This patch was actually against mainline. I should've
specified. I can work up one against -mm later today if it's needed.

- -Jeff

- --
Jeff Mahoney
SUSE Labs
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