linux-kernel - Re: lib/crypto/chacha.c:65:1: warning: the frame size of 1604 bytes is larger than 1024 bytes

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Message-ID: <CAK8P3a10oUYQHrSu-2rsa_rVemz3K+NBQtsuazn=dBAntsx1cw@mail.gmail.com>
Date:   Thu, 27 Aug 2020 21:11:52 +0200
From:   Arnd Bergmann <arnd@...db.de>
To:     Linus Torvalds <torvalds@...ux-foundation.org>
Cc:     Herbert Xu <herbert@...dor.apana.org.au>,
        Ard Biesheuvel <ardb@...nel.org>,
        kernel test robot <lkp@...el.com>,
        Peter Oberparleiter <oberpar@...ux.ibm.com>,
        Kees Cook <keescook@...omium.org>,
        Andrey Ryabinin <aryabinin@...tuozzo.com>,
        kbuild-all@...ts.01.org,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        Linux Crypto Mailing List <linux-crypto@...r.kernel.org>
Subject: Re: lib/crypto/chacha.c:65:1: warning: the frame size of 1604 bytes
 is larger than 1024 bytes

On Thu, Aug 27, 2020 at 7:55 PM Linus Torvalds
<torvalds@...ux-foundation.org> wrote:
>
> On Thu, Aug 27, 2020 at 10:34 AM Linus Torvalds
> <torvalds@...ux-foundation.org> wrote:
> >
> > How are you guys testing? I have UBSAN and GCOV on, and don't see
> > crazy frames on either i386 or x86-64.
>
> Oh, never mind. I also have COMPILE_TEST on, so it ends up disabling
> GCOV_PROFILE_ALL and UBSAN_SANITIZE_ALL.

Ah right, that explains why I never saw the warning in my randconfig
build tests, I run those with COMPILE_TEST force-enabled.

       Arnd