linux-kernel - Re: ipv4/tcp.c:4234:1: error: the frame size of 1152 bytes is larger than 1024 bytes [-Werror=frame-larger-than=]

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Message-ID: <CAK8P3a0wQC+9_3wJEACgOLa9C5_zLSmDfU=_79h_KMSE_9JxRw@mail.gmail.com>
Date:   Wed, 15 Sep 2021 00:03:22 +0200
From:   Arnd Bergmann <arnd@...db.de>
To:     Brendan Higgins <brendanhiggins@...gle.com>
Cc:     Shuah Khan <skhan@...uxfoundation.org>,
        Arnd Bergmann <arnd@...db.de>,
        Linus Torvalds <torvalds@...ux-foundation.org>,
        Naresh Kamboju <naresh.kamboju@...aro.org>,
        Mathias Nyman <mathias.nyman@...el.com>,
        Johannes Berg <johannes@...solutions.net>,
        Jakub Kicinski <kuba@...nel.org>,
        Ariel Elior <aelior@...vell.com>,
        GR-everest-linux-l2@...vell.com, Wei Liu <wei.liu@...nel.org>,
        Linux ARM <linux-arm-kernel@...ts.infradead.org>,
        open list <linux-kernel@...r.kernel.org>,
        Netdev <netdev@...r.kernel.org>, lkft-triage@...ts.linaro.org,
        "David S. Miller" <davem@...emloft.net>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Nick Desaulniers <ndesaulniers@...gle.com>,
        Nathan Chancellor <nathan@...nel.org>,
        Daniel Borkmann <daniel@...earbox.net>,
        Alexei Starovoitov <ast@...nel.org>,
        Eric Dumazet <edumazet@...gle.com>,
        KUnit Development <kunit-dev@...glegroups.com>
Subject: Re: ipv4/tcp.c:4234:1: error: the frame size of 1152 bytes is larger
 than 1024 bytes [-Werror=frame-larger-than=]

On Tue, Sep 14, 2021 at 10:48 PM Brendan Higgins
<brendanhiggins@...gle.com> wrote:
>
> On Mon, Sep 13, 2021 at 1:55 PM Shuah Khan <skhan@...uxfoundation.org> wrote:
> >
> > On 9/8/21 3:24 PM, Brendan Higgins wrote:
> > Brendan,
> >
> > Would you like to send me the fix with Suggested-by for Arnd or Kees?
>
> So it looks like Arnd's fix was accepted (whether by him or someone
> else) for property-entry-test and Linus already fixed thunderbolt, so
> the only remaining of Arnd's patches is for the bitfield test, so I'll
> resend that one in a bit.
>
> Also, I haven't actually tried Linus' suggestion yet, but the logic is
> sound and the change *should* be fairly unintrusive - I am going to
> give that a try and report back (but I will get the bitfield
> structleak disable patch out first since I already got that applying).

Looking at my randconfig tree, I find these six instances:

$ git grep -w DISABLE_STRUCTLEAK_PLUGIN
drivers/base/test/Makefile:CFLAGS_property-entry-test.o +=
$(DISABLE_STRUCTLEAK_PLUGIN)
drivers/iio/test/Makefile:CFLAGS_iio-test-format.o +=
$(DISABLE_STRUCTLEAK_PLUGIN)
drivers/mmc/host/Makefile:CFLAGS_sdhci-of-aspeed.o              +=
$(DISABLE_STRUCTLEAK_PLUGIN)
drivers/thunderbolt/Makefile:CFLAGS_test.o += $(DISABLE_STRUCTLEAK_PLUGIN)
lib/Makefile:CFLAGS_test_scanf.o += $(DISABLE_STRUCTLEAK_PLUGIN)
lib/Makefile:CFLAGS_bitfield_kunit.o += $(DISABLE_STRUCTLEAK_PLUGIN)
scripts/Makefile.gcc-plugins:    DISABLE_STRUCTLEAK_PLUGIN +=
-fplugin-arg-structleak_plugin-disable
scripts/Makefile.gcc-plugins:export DISABLE_STRUCTLEAK_PLUGIN

Sorry for failing to submit these as a proper patch. If you send a new version,
I think you need to make sure you cover all of the above, using whichever
change you like best.

        Arnd