linux-hardening - Re: Build regressions/improvements in v6.0-rc4

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Message-ID: <alpine.DEB.2.22.394.2209050944290.964530@ramsan.of.borg>
Date:   Mon, 5 Sep 2022 09:46:01 +0200 (CEST)
From:   Geert Uytterhoeven <geert@...ux-m68k.org>
To:     linux-kernel@...r.kernel.org
cc:     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, 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)

   + /kisskb/src/drivers/gpu/drm/amd/amdgpu/../display/dc/dml/dcn32/display_mode_vba_32.c: error: the frame size of 2144 bytes is larger than 2048 bytes [-Werror=frame-larger-than=]:  => 3768:1

x86_64-gcc8/x86-allmodconfig (in function dml32_ModeSupportAndSystemConfigurationFull())

   + /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)

> [1] http://kisskb.ellerman.id.au/kisskb/branch/linus/head/7e18e42e4b280c85b76967a9106a13ca61c16179/ (all 135 configs)
> [3] http://kisskb.ellerman.id.au/kisskb/branch/linus/head/b90cb1053190353cc30f0fef0ef1f378ccc063c5/ (all 135 configs)

Gr{oetje,eeting}s,

 						Geert

--
Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@...ux-m68k.org

In personal conversations with technical people, I call myself a hacker. But
when I'm talking to journalists I just say "programmer" or something like that.
 							    -- Linus Torvalds