From: Torsten Hilbrich <torsten.hilbrich@secunet.com>
To: Anton Altaparmakov <aia21@cam.ac.uk>
Cc: LKML <linux-kernel@vger.kernel.org>,
"Andreas Bießmann" <biessmann@corscience.de>,
"Sergey Senozhatsky" <sergey.senozhatsky@gmail.com>,
"Christoph Hellwig" <hch@lst.de>, "Jens Axboe" <axboe@kernel.dk>,
"Linus Torvalds" <torvalds@linux-foundation.org>,
linux-fsdevel <linux-fsdevel@vger.kernel.org>
Subject: Re: [PATCH] fs-writeback: fix NULL pointer dereference in, __mark_inode_dirty
Date: Tue, 15 Mar 2011 13:40:11 +0100 [thread overview]
Message-ID: <4D7F5E2B.6090805@secunet.com> (raw)
In-Reply-To: <99773600-FC41-41A9-8544-BF7E09065546@cam.ac.uk>
On 15.03.2011 13:11, Anton Altaparmakov wrote:
> This is already being handled. It is the same as other bug reports, i.e. the fact that sb->s_bdi is made NULL on device removal and if it happens at the wrong time you then get a NULL pointer dereference.
>
> Jens Axboe just only yesterday posted an initial patch for this. Can you please test it and report back if it does indeed cure the problem?
>
> The patch can be found here for example:
>
> https://lkml.org/lkml/2011/3/14/25
>
This patch fixes the problem for my test szenario.
Torsten
next prev parent reply other threads:[~2011-03-15 12:40 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <fa.8ND6HoGS9dKYUuniFCAoNq+1TFY@ifi.uio.no>
[not found] ` <4D78AA72.3060202@secunet.com>
[not found] ` <4D7F3CD5.9030105@secunet.com>
2011-03-15 12:11 ` [PATCH] fs-writeback: fix NULL pointer dereference in, __mark_inode_dirty Anton Altaparmakov
2011-03-15 12:35 ` Jens Axboe
2011-03-15 12:40 ` Torsten Hilbrich [this message]
2011-02-28 15:25 [PATCH] fs-writeback: fix NULL pointer dereference in __mark_inode_dirty Andreas Bießmann
2011-02-28 15:43 ` Sergey Senozhatsky
2011-02-28 15:59 ` Andreas Bießmann
2011-02-28 16:29 ` Sergey Senozhatsky
[not found] ` <AANLkTimARkrtmBBgtXmNA=MOD94FWQ8x-qcmLJ8mdQ6o@mail.gmail.com>
2011-03-02 8:35 ` Andreas Bießmann
2011-03-03 13:58 ` Andreas Bießmann
2011-03-17 21:04 ` Andrew Morton
2011-03-17 21:06 ` George Spelvin
2011-03-17 22:19 ` Sergey Senozhatsky
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