linux-kernel - Re: Kernel 3.1.0-rc4 oops when connecting iPod

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Message-ID: <CAG1a4rv34aM6_PU9qhdXV0KRoN=TFC03J1zrV07nPAkn0m5S1Q@mail.gmail.com>
Date:	Sat, 3 Sep 2011 00:37:53 -0400
From:	Pavel Ivanov <paivanof@...il.com>
To:	Hin-Tak Leung <hintak_leung@...oo.co.uk>
Cc:	linux-fsdevel@...r.kernel.org,
	linux-kernel <linux-kernel@...r.kernel.org>
Subject: Re: Kernel 3.1.0-rc4 oops when connecting iPod

On Fri, Sep 2, 2011 at 11:59 PM, Hin-Tak Leung <hintak_leung@...oo.co.uk> wrote:
>> With kernel 3.1.0-rc4 any attempt to connect iPod to USB
>> leads to
>> kernel oops. I'd say that stacktrace of the oops is pretty
>> much random
>> and not related to HFS. But I was able to get useful info
>> from it when
>> I recompiled with CONFIG_SLUB_DEBUG_ON=y. In this case I
>> don't get
>> oops but the following instead:
>
> There are a few hfsplus related changes to do protection against invalid data like this, but may be there are more. It would be useful to have the output from your
> objdump -l -d hfsplus.ko | grep  -A 1000 '<hfsplus_fill_super>'
> (the -l gives line numbers against the kernel tree, so would be useful if you run this against the ko there...)

Output of this command is in attachment.


Pavel

Download attachment "hfsplus.dump" of type "application/octet-stream" (53483 bytes)