From: Mark Brown <broonie@kernel.org>
To: Kees Cook <keescook@chromium.org>
Cc: Linus Torvalds <torvalds@linux-foundation.org>,
Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
Arnd Bergmann <arnd@arndb.de>, Daniel Vetter <daniel@ffwll.ch>,
Dan Williams <dan.j.williams@intel.com>,
Rasmus Villemoes <linux@rasmusvillemoes.dk>,
Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
"Gustavo A. R. Silva" <gustavoars@kernel.org>,
Keith Packard <keithp@keithp.com>,
Nathan Chancellor <nathan@kernel.org>,
Nick Desaulniers <ndesaulniers@google.com>,
linux-hardening@vger.kernel.org
Subject: Re: [GIT PULL] overflow updates for v5.15-rc1
Date: Mon, 6 Sep 2021 12:43:50 +0100 [thread overview]
Message-ID: <20210906114350.GB4309@sirena.org.uk> (raw)
In-Reply-To: <202109051123.11E4E31@keescook>
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On Sun, Sep 05, 2021 at 11:31:44AM -0700, Kees Cook wrote:
> On Sun, Sep 05, 2021 at 10:36:22AM -0700, Linus Torvalds wrote:
> > > Yeech. Yeah, no, that was not expected at all. I even did test merge builds against your latest tree before sending the Pull Request. This has been in -next for weeks, too.
> > Sadly, I don't think linux-next checks for warnings.
> Oh, I thought I'd gotten such reports from sfr before, but certainly the
> 0day bot and others have yelled loudly about new warnings (from earlier
> iterations of this series in -next).
Yes, Stephen will report new warnings in the configs he tested and
there's a bunch of people who like to go around fixing warnings whenever
they do appear though only in the more common configurations.
> > > What was the build environment?
> > This is actually just bog-standard gcc-11.2 from F34, and an allmodconfig build.
> Ah, fun. Yeah, I'm behind on versions, it seems. Default gcc version on
> latest stable Ubuntu release is 10.3. I will go retest on the devel
> release.
If you're looking for coverage on this stuff it's also good to check
with clang as well, it's sufficiently different that it often triggers
extra stuff (eg, turning on -Werror broke i386 allmodconfig for clang-10
since that triggers some stack frame size warnings which are now
errors).
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next prev parent reply other threads:[~2021-09-06 11:44 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-09-03 3:22 [GIT PULL] overflow updates for v5.15-rc1 Kees Cook
2021-09-04 20:47 ` Linus Torvalds
[not found] ` <45312958-B844-4B4C-9808-8205866675A1@chromium.org>
2021-09-05 17:36 ` Linus Torvalds
2021-09-05 18:21 ` Linus Torvalds
2021-09-05 18:31 ` Kees Cook
2021-09-06 11:43 ` Mark Brown [this message]
2021-09-06 17:19 ` Kees Cook
2021-09-05 20:52 ` Kees Cook
2021-09-06 5:27 ` Stephen Rothwell
2021-09-06 17:12 ` Kees Cook
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