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Message-ID: <CAMuHMdXTWgEttXyCggiUjc29zbsJ9OvKJa1WC+4V9RZQCQro7g@mail.gmail.com> Date: Thu, 8 Sep 2022 08:53:19 +0200 From: Geert Uytterhoeven <geert@...ux-m68k.org> To: Kees Cook <keescook@...omium.org> Cc: Yoshinori Sato <ysato@...rs.sourceforge.jp>, Rich Felker <dalias@...c.org>, Linux-sh list <linux-sh@...r.kernel.org>, Paul Mundt <lethal@...ux-sh.org>, Linux Kernel Mailing List <linux-kernel@...r.kernel.org>, linux-hardening@...r.kernel.org Subject: Re: [PATCH] sh: machvec: Use char[] for section boundaries On Thu, Sep 8, 2022 at 1:43 AM Kees Cook <keescook@...omium.org> wrote: > As done for other sections, define the extern as a character array, > which relaxes many of the compiler-time object size checks, which would > otherwise assume it's a single long. Solves the following build error: > > 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 > > Cc: Yoshinori Sato <ysato@...rs.sourceforge.jp> > Cc: Rich Felker <dalias@...c.org> > Cc: linux-sh@...r.kernel.org > Reported-by: Geert Uytterhoeven <geert@...ux-m68k.org> > Link: https://lore.kernel.org/lkml/alpine.DEB.2.22.394.2209050944290.964530@ramsan.of.borg/ > Fixes: 9655ad03af2d ("sh: Fixup machvec support.") > Signed-off-by: Kees Cook <keescook@...omium.org> Reviewed-by: Geert Uytterhoeven <geert+renesas@...der.be> 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
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