linux-kernel - Re: [platform/x86] 84c2f235ad BUG: KASAN: null-ptr-deref on address 0000000000000008

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Message-ID: <20170227052712.36gjmt4qdpwj2q4p@wfg-t540p.sh.intel.com>
Date:   Mon, 27 Feb 2017 13:27:12 +0800
From:   Fengguang Wu <fengguang.wu@...el.com>
To:     Jonathan Woithe <jwoithe@...t42.net>
Cc:     Alan Jenkins <alan-jenkins@...fmail.co.uk>,
        kernel test robot <xiaolong.ye@...el.com>,
        Darren Hart <dvhart@...ux.intel.com>,
        LKML <linux-kernel@...r.kernel.org>,
        platform-driver-x86@...r.kernel.org,
        Micha?? K??pie?? <kernel@...pniu.pl>,
        Darren Hart <dvhart@...radead.org>,
        Andy Shevchenko <andriy.shevchenko@...ux.intel.com>, lkp@...org
Subject: Re: [platform/x86] 84c2f235ad BUG: KASAN: null-ptr-deref on address
 0000000000000008

On Mon, Feb 27, 2017 at 03:53:56PM +1030, Jonathan Woithe wrote:
>On Mon, Feb 27, 2017 at 12:58:40PM +0800, Fengguang Wu wrote:
>> Here is another bisect result. The attached reproduce-* script may
>> help debug the issue.
>
>Thanks for this.  FYI the cause of this issue is already understood (refer
>to previous linux-platform-driver ML discussions).  The relevant part of the
>patch series (08/10) has been (or will be) reverted by Andy to resolve the
>problem for the moment (as per my earlier email).  The issue that part 08/10
>was aiming to fix will be addressed in a more complete way in a follow up
>patch series from Michael in due course as explained in my Reviewed-by
>comment.

Good to know that, thank you for the info!

Regards,
Fengguang