linux-kernel - Re: Mounting corrupted HFS+ causes kernel NULL pointer dereference

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Message-ID: <20180630023801.jhxb3silsbogkz22@eaf>
Date:   Fri, 29 Jun 2018 23:38:02 -0300
From:   Ernesto A. Fernández 
        <ernesto.mnd.fernandez@...il.com>
To:     Anatoly Trosinenko <anatoly.trosinenko@...il.com>
Cc:     pavel@....cz, linux-kernel@...r.kernel.org,
        linux-fsdevel@...r.kernel.org,
        Tetsuo Handa <penguin-kernel@...ove.sakura.ne.jp>
Subject: Re: Mounting corrupted HFS+ causes kernel NULL pointer dereference

On Fri, Jun 29, 2018 at 03:45:43PM -0300, Ernesto A. Fernández wrote:
> Hi again:
> 
> A patch for your original report has already been added to the -mm tree.
> 
> On Tue, Jun 12, 2018 at 09:43:26PM +0300, Anatoly Trosinenko wrote:
> > Now, when mounting the attached hfsplus_16mb_segv to /mnt and
> > performing `dd if=/dev/zero of=/mnt/xyz bs=567879 count=1` I get
> > 
> > [    1.646451] BUG: unable to handle kernel NULL pointer dereference
> > at 0000000000000043
> 
> I just sent you a patch for this second report. It's really simple, so
> it would be great if you could take a look at it and review it yourself.
> Otherwise it's not very likely to get picked up.

Never mind, it got picked up already.

> 
> Thanks,
> Ernest