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Date:   Tue, 6 Jun 2023 13:02:36 +1000
From:   Stephen Rothwell <sfr@canb.auug.org.au>
To:     =?UTF-8?B?TWlja2HDq2wgU2FsYcO8bg==?= <mic@digikod.net>
Cc:     Konstantin Meskhidze <konstantin.meskhidze@huawei.com>,
        Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
        Linux Next Mailing List <linux-next@vger.kernel.org>
Subject: linux-next: build failure after merge of the landlock tree
Message-ID: <20230606130236.4d339a46@canb.auug.org.au>
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Hi all,

After merging the landlock tree, today's linux-next build (powerpc
ppc64_defconfig) failed like this:

security/landlock/net.c:165:51: error: expected '=3D', ',', ';', 'asm' or '=
__attribute__' before '__lsm_ro_after_init'
  165 | static struct security_hook_list landlock_hooks[] __lsm_ro_after_in=
it =3D {
      |                                                   ^~~~~~~~~~~~~~~~~=
~~
security/landlock/net.c: In function 'landlock_add_net_hooks':
security/landlock/net.c:172:28: error: 'landlock_hooks' undeclared (first u=
se in this function)
  172 |         security_add_hooks(landlock_hooks, ARRAY_SIZE(landlock_hook=
s),
      |                            ^~~~~~~~~~~~~~
security/landlock/net.c:172:28: note: each undeclared identifier is reporte=
d only once for each function it appears in
In file included from include/linux/container_of.h:5,
                 from include/linux/kernel.h:21,
                 from include/linux/uio.h:8,
                 from include/linux/socket.h:8,
                 from include/uapi/linux/in.h:25,
                 from include/linux/in.h:19,
                 from security/landlock/net.c:9:
include/linux/build_bug.h:16:51: error: bit-field '<anonymous>' width not a=
n integer constant
   16 | #define BUILD_BUG_ON_ZERO(e) ((int)(sizeof(struct { int:(-!!(e)); }=
)))
      |                                                   ^
include/linux/compiler.h:231:33: note: in expansion of macro 'BUILD_BUG_ON_=
ZERO'
  231 | #define __must_be_array(a)      BUILD_BUG_ON_ZERO(__same_type((a), =
&(a)[0]))
      |                                 ^~~~~~~~~~~~~~~~~
include/linux/kernel.h:56:59: note: in expansion of macro '__must_be_array'
   56 | #define ARRAY_SIZE(arr) (sizeof(arr) / sizeof((arr)[0]) + __must_be=
_array(arr))
      |                                                           ^~~~~~~~~=
~~~~~~
security/landlock/net.c:172:44: note: in expansion of macro 'ARRAY_SIZE'
  172 |         security_add_hooks(landlock_hooks, ARRAY_SIZE(landlock_hook=
s),
      |                                            ^~~~~~~~~~
security/landlock/net.c: At top level:
security/landlock/net.c:157:12: warning: 'hook_socket_connect' defined but =
not used [-Wunused-function]
  157 | static int hook_socket_connect(struct socket *const sock,
      |            ^~~~~~~~~~~~~~~~~~~
security/landlock/net.c:150:12: warning: 'hook_socket_bind' defined but not=
 used [-Wunused-function]
  150 | static int hook_socket_bind(struct socket *const sock,
      |            ^~~~~~~~~~~~~~~~

Caused by commit

  6d0bfdb25ce6 ("landlock: Add network rules and TCP hooks support")

I have use the landlock tree from next-20230605 for today.

--=20
Cheers,
Stephen Rothwell

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