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Message-ID: <202209071646.A95761A@keescook>
Date: Wed, 7 Sep 2022 16:47:33 -0700
From: Kees Cook <keescook@...omium.org>
To: Geert Uytterhoeven <geert@...ux-m68k.org>
Cc: linux-kernel@...r.kernel.org, linux-sh@...r.kernel.org,
amd-gfx@...ts.freedesktop.org, linux-s390@...r.kernel.org,
linux-hardening@...r.kernel.org
Subject: Re: Build regressions/improvements in v6.0-rc4
On Mon, Sep 05, 2022 at 09:46:01AM +0200, Geert Uytterhoeven wrote:
> On Mon, 5 Sep 2022, Geert Uytterhoeven wrote:
> > JFYI, when comparing v6.0-rc4[1] to v6.0-rc3[3], the summaries are:
> > - build errors: +3/-16
>
> + /kisskb/src/arch/sh/kernel/machvec.c: error: array subscript 'struct sh_machine_vector[0]' is partly outside array bounds of 'long int[1]' [-Werror=array-bounds]: => 105:33
>
> sh4-gcc11/sh-allyesconfig (-Werror)
Sent a patch for this:
https://lore.kernel.org/linux-hardening/20220907234345.96798-1-keescook@chromium.org/
> + /kisskb/src/include/linux/fortify-string.h: error: call to '__write_overflow_field' declared with attribute warning: detected write beyond size of field (1st parameter); maybe use struct_group()? [-Werror=attribute-warning]: => 258:25
>
> s390x-gcc11/s390-allyesconfig (inlined from 'copy_process' at /kisskb/src/kernel/fork.c:2200:2)
This error appears to have vanished?
> > [3] http://kisskb.ellerman.id.au/kisskb/branch/linus/head/b90cb1053190353cc30f0fef0ef1f378ccc063c5/ (all 135 configs)
Status Date/time Target
OK Sep 7, 13:54 linus/s390-allyesconfig/s390x-gcc11
--
Kees Cook
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