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Date:   Mon, 4 Oct 2021 18:59:16 +0200
From:   Borislav Petkov <bp@alien8.de>
To:     platform-driver-x86@vger.kernel.org, linux-kernel@vger.kernel.org
Cc:     Daniel Scally <djrscally@gmail.com>,
        Hans de Goede <hdegoede@redhat.com>,
        Mark Gross <mgross@linux.intel.com>
Subject: Re: [Bug 214453] New: skl_int3472_unregister_clock: kernel NULL
 pointer dereference (HP Elite x2 1013 G3)
Message-ID: <YVsy5Gv3z6JAWnxj@zn.tnic>
References: <bug-214453-6385@https.bugzilla.kernel.org/>
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Adding more people to Cc.

On Fri, Sep 17, 2021 at 12:18:27PM +0000, bugzilla-daemon@bugzilla.kernel.org wrote:
> https://bugzilla.kernel.org/show_bug.cgi?id=214453
> 
>             Bug ID: 214453
>            Summary: skl_int3472_unregister_clock: kernel NULL pointer
>                     dereference (HP Elite x2 1013 G3)
>            Product: Platform Specific/Hardware
>            Version: 2.5
>     Kernel Version: 5.14.5
>           Hardware: Intel
>                 OS: Linux
>               Tree: Mainline
>             Status: NEW
>           Severity: low
>           Priority: P1
>          Component: x86-64
>           Assignee: platform_x86_64@kernel-bugs.osdl.org
>           Reporter: kernel-NTEO@vplace.de
>         Regression: No
> 
> Created attachment 298863
>   --> https://bugzilla.kernel.org/attachment.cgi?id=298863&action=edit
> dmesg oops log
> 
> On a HP Elite x2 1013 G3 a kernel oops is caused by int3472:
> 
> [    8.820565] int3472-discrete INT3472:02: No sensor module config
> [    8.820569] int3472-discrete INT3472:02: error -EINVAL: Failed to map
> regulator to sensor
> [    8.820574] BUG: kernel NULL pointer dereference, address: 0000000000000000
> [...]
> [    8.820654] Call Trace:
> [    8.820657]  clkdev_drop+0x1d/0x60
> [    8.820665]  skl_int3472_unregister_clock+0x15/0x30 [intel_skl_int3472
> a61329898df9463f8661b1eee1ed1e20b1626f62]
> 
> -- 
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-- 
Regards/Gruss,
    Boris.

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