linux-kernel - Re: Calculating array sizes in C - was: Re: Build regressions/improvements in v6.2-rc1

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Date:   Tue, 17 Jan 2023 18:06:07 +0100
From:   John Paul Adrian Glaubitz <glaubitz@...sik.fu-berlin.de>
To:     Geert Uytterhoeven <geert@...ux-m68k.org>
Cc:     linux-kernel@...r.kernel.org, amd-gfx@...ts.freedesktop.org,
        linux-arm-kernel@...ts.infradead.org, linux-media@...r.kernel.org,
        linux-wireless@...r.kernel.org, linux-mips@...r.kernel.org,
        linux-sh@...r.kernel.org, linux-f2fs-devel@...ts.sourceforge.net,
        linuxppc-dev@...ts.ozlabs.org, kasan-dev@...glegroups.com,
        linux-xtensa@...ux-xtensa.org,
        Michael Karcher <kernel@...rcher.dialup.fu-berlin.de>
Subject: Re: Calculating array sizes in C - was: Re: Build
 regressions/improvements in v6.2-rc1

Hi!

On 1/17/23 18:01, Geert Uytterhoeven wrote:
> The issue is that some of the parameters are not arrays, but
> NULL. E.g.:
> 
> arch/sh/kernel/cpu/sh2/setup-sh7619.c:static
> DECLARE_INTC_DESC(intc_desc, "sh7619", vectors, NULL,
> arch/sh/kernel/cpu/sh2/setup-sh7619.c-                   NULL,
> prio_registers, NULL);

Isn't this supposed to be caught by this check:

	a, __same_type(a, NULL)

?

Adrian

-- 
  .''`.  John Paul Adrian Glaubitz
: :' :  Debian Developer
`. `'   Physicist
   `-    GPG: 62FF 8A75 84E0 2956 9546  0006 7426 3B37 F5B5 F913