From: "Andreas Bießmann" <andreas.devel@googlemail.com>
To: "Andreas Bießmann" <andreas.devel@googlemail.com>
Cc: "Jason A. Donenfeld" <Jason@zx2c4.com>,
Sergey Senozhatsky <sergey.senozhatsky@gmail.com>,
linux-kernel@vger.kernel.org, linux-fsdevel@vger.kernel.org
Subject: Re: [PATCH] fs-writeback: fix NULL pointer dereference in __mark_inode_dirty
Date: Thu, 03 Mar 2011 14:58:15 +0100 [thread overview]
Message-ID: <4D6F9E77.3040505@gmail.com> (raw)
In-Reply-To: <4D6E016B.50600@gmail.com>
Dear Jason A. Donenfeld,
Am 02.03.2011 09:35, schrieb Andreas Bießmann:
> Dear Jason A. Donenfeld,
>
> Am 01.03.2011 10:00, schrieb Jason A. Donenfeld:
>> Can you make an isolated test case to trigger this bug?
>
> in my case it is easily reproduceable. I have an SD-card in our embedded
> device (AVR32 AP7000). Some random data is continuously written to an
> FAT filesystem on that device. When you pull the card out of the slot
> you trigger that NULL pointer dereference.
>
> I will try to reproduce that error on my workstation but this will need
> some time. Maybe I can not hit that race on my quad core workstation but
> I will give it a try.
unfortunately I can not reproduce this error on my workstation. I tested
an 35 in 1 USB card reader and a single USB stick.
I will try to test on another architecture uniprocessor system (e.g. one
of our ARM eval boards).
regards
Andreas Bießmann
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next prev parent reply other threads:[~2011-03-03 13:58 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
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 [this message]
2011-03-17 21:04 ` Andrew Morton
2011-03-17 21:06 ` George Spelvin
2011-03-17 22:19 ` Sergey Senozhatsky
[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
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