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From: Kees Cook <keescook@chromium.org>
To: Arnd Bergmann <arnd@arndb.de>
Cc: Linus Torvalds <torvalds@linux-foundation.org>,
	Herbert Xu <herbert@gondor.apana.org.au>,
	Ard Biesheuvel <ardb@kernel.org>,
	kernel test robot <lkp@intel.com>,
	Peter Oberparleiter <oberpar@linux.ibm.com>,
	Andrey Ryabinin <aryabinin@virtuozzo.com>,
	kbuild-all@lists.01.org,
	Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
	Linux Crypto Mailing List <linux-crypto@vger.kernel.org>
Subject: Re: lib/crypto/chacha.c:65:1: warning: the frame size of 1604 bytes is larger than 1024 bytes
Date: Thu, 27 Aug 2020 12:34:44 -0700	[thread overview]
Message-ID: <202008271233.AB0F0CDAB@keescook> (raw)
In-Reply-To: <CAK8P3a10oUYQHrSu-2rsa_rVemz3K+NBQtsuazn=dBAntsx1cw@mail.gmail.com>

On Thu, Aug 27, 2020 at 09:11:52PM +0200, Arnd Bergmann wrote:
> On Thu, Aug 27, 2020 at 7:55 PM Linus Torvalds
> <torvalds@linux-foundation.org> wrote:
> >
> > On Thu, Aug 27, 2020 at 10:34 AM Linus Torvalds
> > <torvalds@linux-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.

Ah, I got this backwards. It's not COMPILE_TEST breaking it, it's
actually FIXING it. :P Anyway, I'll go clean this up more.

-- 
Kees Cook

  reply	other threads:[~2020-08-27 19:34 UTC|newest]

Thread overview: 23+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-08-27  3:52 lib/crypto/chacha.c:65:1: warning: the frame size of 1604 bytes is larger than 1024 bytes kernel test robot
2020-08-27  8:05 ` Herbert Xu
2020-08-27  8:10   ` Ard Biesheuvel
2020-08-27  8:24     ` Herbert Xu
2020-08-27 17:34       ` Linus Torvalds
2020-08-27 17:55         ` Linus Torvalds
2020-08-27 18:42           ` Kees Cook
2020-08-27 19:02             ` Linus Torvalds
2020-08-27 19:32               ` Kees Cook
2020-08-27 19:11           ` Arnd Bergmann
2020-08-27 19:34             ` Kees Cook [this message]
2020-08-27 20:08             ` Linus Torvalds
2020-08-27  8:33     ` Arnd Bergmann
2020-08-27  8:42       ` Ard Biesheuvel
2020-08-27  9:19         ` Arnd Bergmann
2020-08-27 10:41           ` Ard Biesheuvel
2020-08-27 11:51             ` Herbert Xu
2020-08-27 16:25               ` Arnd Bergmann
  -- strict thread matches above, loose matches on Subject: below --
2020-09-19 17:27 kernel test robot
2020-10-18 19:13 kernel test robot
2020-10-19 15:47 ` Joe Perches
2020-10-20  8:00   ` David Laight
2020-10-20 10:13     ` Joe Perches

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