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 <20221227082932.798359-1-geert@linux-m68k.org> <alpine.DEB.2.22.394.2212270933530.311423@ramsan.of.borg>
In-Reply-To: <alpine.DEB.2.22.394.2212270933530.311423@ramsan.of.borg>
From:   Alex Deucher <alexdeucher@gmail.com>
Date:   Fri, 6 Jan 2023 10:39:03 -0500
Message-ID: <CADnq5_PtJ2JxAH7vaQsMHomUmiAxhiOqn4suf1SAQkaqt=sg+g@mail.gmail.com>
Subject: Re: Build regressions/improvements in v6.2-rc1
To:     Geert Uytterhoeven <geert@linux-m68k.org>,
        "Siqueira, Rodrigo" <Rodrigo.Siqueira@amd.com>,
        "Mahfooz, Hamza" <Hamza.Mahfooz@amd.com>
Cc:     linux-kernel@vger.kernel.org, linux-xtensa@linux-xtensa.org,
        linux-sh@vger.kernel.org, linux-wireless@vger.kernel.org,
        linux-mips@vger.kernel.org, amd-gfx@lists.freedesktop.org,
        linux-f2fs-devel@lists.sourceforge.net, kasan-dev@googlegroups.com,
        linuxppc-dev@lists.ozlabs.org,
        linux-arm-kernel@lists.infradead.org, linux-media@vger.kernel.org
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On Tue, Dec 27, 2022 at 10:34 AM Geert Uytterhoeven
<geert@linux-m68k.org> wrote:
>
> On Tue, 27 Dec 2022, Geert Uytterhoeven wrote:
> > Below is the list of build error/warning regressions/improvements in
> > v6.2-rc1[1] compared to v6.1[2].
> >
> > Summarized:
> >  - build errors: +11/-13
>
> amd-gfx@lists.freedesktop.org
> linux-arm-kernel@lists.infradead.org
> linux-media@vger.kernel.org
> linux-wireless@vger.kernel.org
> linux-mips@vger.kernel.org
> linux-sh@vger.kernel.org
> linux-f2fs-devel@lists.sourceforge.net
> linuxppc-dev@lists.ozlabs.org
> kasan-dev@googlegroups.com
> linux-xtensa@linux-xtensa.org
>
>    + /kisskb/src/drivers/gpu/drm/amd/amdgpu/../display/dc/dml/dcn31/displ=
ay_mode_vba_31.c: error: the frame size of 2224 bytes is larger than 2048 b=
ytes [-Werror=3Dframe-larger-than=3D]:  =3D> 7082:1
>    + /kisskb/src/drivers/gpu/drm/amd/amdgpu/../display/dc/dml/dcn314/disp=
lay_mode_vba_314.c: error: the frame size of 2208 bytes is larger than 2048=
 bytes [-Werror=3Dframe-larger-than=3D]:  =3D> 7127:1
>

@Siqueira, Rodrigo @Mahfooz, Hamza

Can you take a look at fixing the DML stack size here up?

Alex


> arm64-gcc5/arm64-allmodconfig
>
>    + /kisskb/src/drivers/media/platform/nxp/imx-jpeg/mxc-jpeg.c: error: a=
rray subscript 2 is above array bounds of 'u32[2]' {aka 'unsigned int[2]'} =
[-Werror=3Darray-bounds]:  =3D> 641:28
>    + /kisskb/src/drivers/media/platform/nxp/imx-jpeg/mxc-jpeg.c: error: a=
rray subscript 3 is above array bounds of 'u32[2]' {aka 'unsigned int[2]'} =
[-Werror=3Darray-bounds]:  =3D> 641:28
>
> m68k-gcc8/m68k-allmodconfig
> See also https://lore.kernel.org/all/CAMuHMdWpPX2mpqFEWjjbjsQvDBQOXyjjdpK=
nQu9qURAuVZXmMw@mail.gmail.com
>
>    + /kisskb/src/include/linux/bitfield.h: error: call to '__field_overfl=
ow' declared with attribute error: value doesn't fit into mask:  =3D> 151:3
>
> In function 'u32_encode_bits',
>      inlined from 'ieee80211_mlo_multicast_tx' at /kisskb/src/net/mac8021=
1/tx.c:4435:17,
>      inlined from 'ieee80211_subif_start_xmit' at /kisskb/src/net/mac8021=
1/tx.c:4483:3:
>
> mipsel-gcc5/mips-allmodconfig
>
>    + /kisskb/src/include/linux/compiler_types.h: error: call to '__compil=
etime_assert_262' declared with attribute error: Unsupported access size fo=
r {READ,WRITE}_ONCE().:  =3D> 358:45
>    + /kisskb/src/include/linux/compiler_types.h: error: call to '__compil=
etime_assert_263' declared with attribute error: Unsupported access size fo=
r {READ,WRITE}_ONCE().:  =3D> 358:45
>
> In function 'follow_pmd_mask',
>      inlined from 'follow_pud_mask' at /kisskb/src/mm/gup.c:735:9,
>      inlined from 'follow_p4d_mask' at /kisskb/src/mm/gup.c:752:9,
>      inlined from 'follow_page_mask' at /kisskb/src/mm/gup.c:809:9:
>
> sh4-gcc11/sh-defconfig (G=C3=BCnter wondered if pmd_t should use union)
>
>    + /kisskb/src/include/linux/fortify-string.h: error: '__builtin_memcpy=
' offset [0, 127] is out of the bounds [0, 0] [-Werror=3Darray-bounds]:  =
=3D> 57:33
>
> /kisskb/src/arch/s390/kernel/setup.c: In function 'setup_lowcore_dat_on':
> s390x-gcc11/s390-all{mod,yes}config
>
>    + /kisskb/src/include/linux/fortify-string.h: error: '__builtin_memset=
' pointer overflow between offset [28, 898293814] and size [-898293787, -1]=
 [-Werror=3Darray-bounds]:  =3D> 59:33
>
> /kisskb/src/fs/f2fs/inline.c: In function 'f2fs_move_inline_dirents':
>
> powerpc-gcc11/ppc64_book3e_allmodconfig
> powerpc-gcc11/powerpc-all{mod,yes}config
>
>    + /kisskb/src/kernel/kcsan/kcsan_test.c: error: the frame size of 1680=
 bytes is larger than 1536 bytes [-Werror=3Dframe-larger-than=3D]:  =3D> 25=
7:1
>
> xtensa-gcc11/xtensa-allmodconfig (patch available)
>
>    + {standard input}: Error: unknown pseudo-op: `.cfi_def_c':  =3D> 1718
>
> sh4-gcc11/sh-allmodconfig (ICE =3D internal compiler error)
>
> > [1] http://kisskb.ellerman.id.au/kisskb/branch/linus/head/1b929c02afd37=
871d5afb9d498426f83432e71c2/ (all 152 configs)
> > [2] http://kisskb.ellerman.id.au/kisskb/branch/linus/head/830b3c68c1fb1=
e9176028d02ef86f3cf76aa2476/ (all 152 configs)
>
> Gr{oetje,eeting}s,
>
>                                                 Geert
>
> --
> Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@linux-m6=
8k.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 Torv=
alds