linux-kernel - Re: mainline build failure due to e240e53ae0ab ("mm, slub: add CONFIG_SLUB

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Message-ID: <20221213125655.GA3622514@roeck-us.net>
Date:   Tue, 13 Dec 2022 04:56:55 -0800
From:   Guenter Roeck <linux@...ck-us.net>
To:     Sudip Mukherjee <sudipm.mukherjee@...il.com>
Cc:     Vlastimil Babka <vbabka@...e.cz>,
        Andrey Ryabinin <ryabinin.a.a@...il.com>,
        Alexander Potapenko <glider@...gle.com>,
        Andrey Konovalov <andreyknvl@...il.com>,
        Dmitry Vyukov <dvyukov@...gle.com>,
        Vincenzo Frascino <vincenzo.frascino@....com>,
        Andrew Morton <akpm@...ux-foundation.org>,
        kasan-dev@...glegroups.com, linux-kernel@...r.kernel.org,
        linux-mm@...ck.org, Linus Torvalds <torvalds@...ux-foundation.org>
Subject: Re: mainline build failure due to e240e53ae0ab ("mm, slub: add
 CONFIG_SLUB_TINY")

On Tue, Dec 13, 2022 at 10:39:30AM +0000, Sudip Mukherjee wrote:
> On Tue, 13 Dec 2022 at 10:26, Sudip Mukherjee (Codethink)
> <sudipm.mukherjee@...il.com> wrote:
> >
> > Hi All,
> >
> > The latest mainline kernel branch fails to build xtensa allmodconfig
> > with gcc-11 with the error:
> 
> And, also powerpc allmodconfig with the error:
> 

Plus arm:allmodconfig, with gcc 11.3.

In file included from include/linux/string.h:253,
                 from include/linux/bitmap.h:11,
                 from include/linux/cpumask.h:12,
                 from include/linux/mm_types_task.h:14,
                 from include/linux/mm_types.h:5,
                 from include/linux/buildid.h:5,
                 from include/linux/module.h:14,
                 from drivers/crypto/caam/compat.h:10,
                 from drivers/crypto/caam/key_gen.c:8:
drivers/crypto/caam/desc_constr.h: In function 'append_data.constprop':
include/linux/fortify-string.h:57:33: error: argument 2 null where non-null expected [-Werror=nonnull]
   57 | #define __underlying_memcpy     __builtin_memcpy
      |                                 ^
include/linux/fortify-string.h:469:9: note: in expansion of macro '__underlying_memcpy'
  469 |         __underlying_##op(p, q, __fortify_size);                        \
      |         ^~~~~~~~~~~~~
include/linux/fortify-string.h:514:26: note: in expansion of macro '__fortify_memcpy_chk'
  514 | #define memcpy(p, q, s)  __fortify_memcpy_chk(p, q, s,                  \
      |                          ^~~~~~~~~~~~~~~~~~~~
drivers/crypto/caam/desc_constr.h:167:17: note: in expansion of macro 'memcpy'
  167 |                 memcpy(offset, data, len);
      |                 ^~~~~~
include/linux/fortify-string.h:57:33: note: in a call to built-in function '__builtin_memcpy'
   57 | #define __underlying_memcpy     __builtin_memcpy
      |                                 ^
include/linux/fortify-string.h:469:9: note: in expansion of macro '__underlying_memcpy'
  469 |         __underlying_##op(p, q, __fortify_size);                        \
      |         ^~~~~~~~~~~~~
include/linux/fortify-string.h:514:26: note: in expansion of macro '__fortify_memcpy_chk'
  514 | #define memcpy(p, q, s)  __fortify_memcpy_chk(p, q, s,                  \
      |                          ^~~~~~~~~~~~~~~~~~~~
drivers/crypto/caam/desc_constr.h:167:17: note: in expansion of macro 'memcpy'
  167 |                 memcpy(offset, data, len);

Guenter