linux-hardening - Re: stable-rc: 6.1: gcc-plugins: Reorganize gimple includes for GCC 13

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Message-ID: <2023081109-resent-doorman-2bf1@gregkh>
Date:   Fri, 11 Aug 2023 08:27:20 +0200
From:   Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:     Naresh Kamboju <naresh.kamboju@...aro.org>
Cc:     Kees Cook <keescook@...omium.org>,
        linux-stable <stable@...r.kernel.org>,
        lkft-triage@...ts.linaro.org, Sasha Levin <sashal@...nel.org>,
        Anders Roxell <anders.roxell@...aro.org>,
        linux-hardening@...r.kernel.org,
        Palmer Dabbelt <palmer@...osinc.com>
Subject: Re: stable-rc: 6.1: gcc-plugins: Reorganize gimple includes for GCC
 13

On Fri, Aug 11, 2023 at 08:47:53AM +0530, Naresh Kamboju wrote:
> On Fri, 11 Aug 2023 at 02:01, Kees Cook <keescook@...omium.org> wrote:
> >
> > On Tue, Aug 08, 2023 at 10:57:30AM +0530, Naresh Kamboju wrote:
> > > LKFT build plans updated with toolchain gcc-13 and here is the report.
> > >
> > > Stable rc 6.1 arm64 builds with gcc-13 failed and the bisection is pointing
> > > to this as first bad commit,
> > >
> > > # first fixed commit: [e6a71160cc145e18ab45195abf89884112e02dfb]
> > >    gcc-plugins: Reorganize gimple includes for GCC 13
> > >
> > > Thanks Anders for bisecting this problem against Linux 6.2-rc6.
> > >
> > > Build errors:
> > > ---------------
> > > In file included from /builds/linux/scripts/gcc-plugins/gcc-common.h:75,
> > >                  from /builds/linux/scripts/gcc-plugins/stackleak_plugin.c:30:
> > > /usr/lib/gcc-cross/aarch64-linux-gnu/13/plugin/include/gimple-fold.h:72:32:
> > > error: use of enum 'gsi_iterator_update' without previous declaration
> > >    72 |                           enum gsi_iterator_update,
> > >       |                                ^~~~~~~~~~~~~~~~~~
> > >
> > > Reported-by: Linux Kernel Functional Testing <lkft@...aro.org>
> >
> > I'm slightly confused by this report.
> 
> Sorry. I should have provided full details.
> 
> > Is it the build of v6.1 that is failing?
> 
> Linux-stable-rc linux.6.1.y failing with gcc-13.

I don't understand, I test here with gcc-13 for 6.4.y and 6.1.y and it's
working just fine.  What changed to cause this to fail now?

I'm using:
	gcc (GCC) 13.2.1 20230801

thanks,

greg k-h