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

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Message-ID: <20180603184955.zrowxp4y3ij66y5n@eaf>
Date:   Sun, 3 Jun 2018 15:49:56 -0300
From:   Ernesto A. Fernández 
        <ernesto.mnd.fernandez@...il.com>
To:     Anatoly Trosinenko <anatoly.trosinenko@...il.com>
Cc:     linux-kernel@...r.kernel.org, linux-fsdevel@...r.kernel.org,
        Tetsuo Handa <penguin-kernel@...ove.sakura.ne.jp>,
        "Ernesto A. Fernandez" <ernesto.mnd.fernandez@...il.com>
Subject: Re: Mounting corrupted HFS+ causes kernel NULL pointer dereference

Hi, thank you for your report.

On Sun, Jun 03, 2018 at 06:52:19PM +0300, Anatoly Trosinenko wrote:
> How to reproduce:
> 1. Take kernel source v4.17-rc7
> 2. Compile it with the config attached
> 3. Unpack and mount the attached FS image as hfsplus.

We are aware of this issue and I've sent some patches [1][2]. It's hard
to get reviewers interested in hfsplus, so I don't know when it will be
fixed.

[1] https://www.spinics.net/lists/linux-fsdevel/msg125241.html
[2] https://www.spinics.net/lists/linux-fsdevel/msg126499.html