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

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Message-ID: <20211013142409.GA9406@xsang-OptiPlex-9020>
Date:   Wed, 13 Oct 2021 22:24:09 +0800
From:   Oliver Sang <oliver.sang@...el.com>
To:     Andy Shevchenko <andriy.shevchenko@...ux.intel.com>
Cc:     Oliver Urbann <oliver.urbann@...il.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

hi All,


On Tue, Oct 12, 2021 at 09:51:37PM +0300, Andy Shevchenko wrote:
> 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!

sorry about this, seems a bad bisection maybe due to our test env issues.

but rerun test, we cannot reproduce the issue now.

> -- 
> With Best Regards,
> Andy Shevchenko
> 
>