linux-kernel - Re: Build regressions/improvements in v5.16-rc1

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Message-ID: <YZKOce4XhAU49+Yn@elver.google.com>
Date:   Mon, 15 Nov 2021 17:44:33 +0100
From:   Marco Elver <elver@...gle.com>
To:     Kees Cook <keescook@...omium.org>,
        Geert Uytterhoeven <geert@...ux-m68k.org>
Cc:     Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        Nick Terrell <terrelln@...com>,
        Rob Clark <robdclark@...il.com>,
        "James E.J. Bottomley" <James.Bottomley@...senpartnership.com>,
        Helge Deller <deller@....de>,
        Anton Altaparmakov <anton@...era.com>,
        Thomas Bogendoerfer <tsbogend@...ha.franken.de>,
        Sergio Paracuellos <sergio.paracuellos@...il.com>,
        Herbert Xu <herbert@...dor.apana.org.au>,
        Joey Gouly <joey.gouly@....com>,
        Stan Skowronek <stan@...ellium.com>,
        Hector Martin <marcan@...can.st>,
        Andrey Ryabinin <ryabinin.a.a@...il.com>,
        André Almeida <andrealmeid@...labora.com>,
        Peter Zijlstra <peterz@...radead.org>,
        Linux ARM <linux-arm-kernel@...ts.infradead.org>,
        "open list:GPIO SUBSYSTEM" <linux-gpio@...r.kernel.org>,
        Parisc List <linux-parisc@...r.kernel.org>,
        linux-arm-msm <linux-arm-msm@...r.kernel.org>,
        DRI Development <dri-devel@...ts.freedesktop.org>,
        linux-ntfs-dev@...ts.sourceforge.net,
        linuxppc-dev <linuxppc-dev@...ts.ozlabs.org>,
        "open list:BROADCOM NVRAM DRIVER" <linux-mips@...r.kernel.org>,
        linux-pci <linux-pci@...r.kernel.org>,
        Linux Crypto Mailing List <linux-crypto@...r.kernel.org>,
        kasan-dev <kasan-dev@...glegroups.com>
Subject: Re: Build regressions/improvements in v5.16-rc1

On Mon, Nov 15, 2021 at 05:12PM +0100, Geert Uytterhoeven wrote:
[...]
> >   + /kisskb/src/include/linux/fortify-string.h: error: call to '__read_overflow' declared with attribute error: detected read beyond size of object (1st parameter):  => 263:25, 277:17
> 
>     in lib/test_kasan.c
> 
> s390-all{mod,yes}config
> arm64-allmodconfig (gcc11)

Kees, wasn't that what [1] was meant to fix?
[1] https://lkml.kernel.org/r/20211006181544.1670992-1-keescook@chromium.org

Thanks,
-- Marco