Re: NULL pointer dereference in call_fext_func [fujitsu_laptop]

From: Jonathan Woithe
Date: Tue Sep 19 2017 - 04:20:25 EST


On Tue, Sep 19, 2017 at 11:07:29AM +0300, Andy Shevchenko wrote:
> On Tue, Sep 19, 2017 at 10:56 AM, Jiri Slaby <jslaby@xxxxxxx> wrote:
> > 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

Yes, it is a duplicate of [1]. I agree that discussion should continue in
that earlier thread.

Regards
jonathan