linux-kernel - Re: NULL pointer dereference in call_fext_func [fujitsu

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Message-ID: <CAHp75Vd=FnWaYg-gKoQO4p8UP3VVhOT9cQ-B-3b20u2KJBRDWQ@mail.gmail.com>
Date:   Tue, 19 Sep 2017 11:07:29 +0300
From:   Andy Shevchenko <andy.shevchenko@...il.com>
To:     Jiri Slaby <jslaby@...e.cz>
Cc:     Michał Kępień <kernel@...pniu.pl>,
        Jonathan Woithe <jwoithe@...t42.net>,
        "dvhart@...radead.org" <dvhart@...radead.org>,
        Andy Shevchenko <andy@...radead.org>,
        Platform Driver <platform-driver-x86@...r.kernel.org>,
        Linux kernel mailing list <linux-kernel@...r.kernel.org>
Subject: Re: NULL pointer dereference in call_fext_func [fujitsu_laptop]

On Tue, Sep 19, 2017 at 10:56 AM, Jiri Slaby <jslaby@...e.cz> wrote:
> Hi,
>
> we have this report from 4.13.1:
> BUG: unable to handle kernel NULL pointer dereference at 00000004
> IP: call_fext_func.isra.3+0x82/0xf0 [fujitsu_laptop]
> *pdpt = 0000000035e79001 *pde = 0000000000000000

Thanks for report.

Isn't it a duplicate of [1]? If so, perhaps you may continue that thread.

[1]: https://www.spinics.net/lists/platform-driver-x86/msg12834.html

-- 
With Best Regards,
Andy Shevchenko