linux-kernel - Re: [dmaengine] fe364a7d95: UBSAN:array-index-out-of-bounds_in

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Message-ID: <YWXZOdYYuQA/Ddq4@smile.fi.intel.com>
Date:   Tue, 12 Oct 2021 21:51:37 +0300
From:   Andy Shevchenko <andriy.shevchenko@...ux.intel.com>
To:     Oliver Urbann <oliver.urbann@...il.com>
Cc:     oliver.sang@...el.com, linux-kernel@...r.kernel.org, lkp@...el.com,
        lkp@...ts.01.org, vkoul@...nel.org
Subject: Re: [dmaengine] fe364a7d95:
 UBSAN:array-index-out-of-bounds_in_drivers/acpi/acpica/dswexec.c

On Sat, Oct 09, 2021 at 11:56:20PM +0200, Oliver Urbann wrote:
> Hi all,
> 
> this actually crashes s2idle e.g. on Surface Book 1 and Surface Pro 4:

You mean the mentioned patch?

It's impossible. Surface Book 1 (at least) has no such devices, which that
patch touches, at all!

-- 
With Best Regards,
Andy Shevchenko