netdev - [ipsec:testing 1/2] include/linux/compiler_types.h:328:38: error: call to '__compiletime_assert_633' declared with attribute error: BUILD_BUG_ON failed: XFRM_MSG_MAX != XFRM_MSG

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Date:   Wed, 8 Sep 2021 21:15:53 +0800
From:   kernel test robot <lkp@...el.com>
To:     Eugene Syromiatnikov <esyr@...hat.com>
Cc:     kbuild-all@...ts.01.org, netdev@...r.kernel.org,
        Steffen Klassert <steffen.klassert@...unet.com>,
        "Dmitry V. Levin" <ldv@...linux.org>
Subject: [ipsec:testing 1/2] include/linux/compiler_types.h:328:38: error:
 call to '__compiletime_assert_633' declared with attribute error:
 BUILD_BUG_ON failed: XFRM_MSG_MAX != XFRM_MSG_MAPPING

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/klassert/ipsec.git testing
head:   f693aa9c98e4e3347930f928c123bb2460317fe0
commit: 56e47fcb5c6150e22c5a591833d67c3ae7a4e9be [1/2] include/uapi/linux/xfrm.h: Fix XFRM_MSG_MAPPING ABI breakage
config: x86_64-randconfig-a005-20210908 (attached as .config)
compiler: gcc-9 (Debian 9.3.0-22) 9.3.0
reproduce (this is a W=1 build):
        # https://git.kernel.org/pub/scm/linux/kernel/git/klassert/ipsec.git/commit/?id=56e47fcb5c6150e22c5a591833d67c3ae7a4e9be
        git remote add ipsec https://git.kernel.org/pub/scm/linux/kernel/git/klassert/ipsec.git
        git fetch --no-tags ipsec testing
        git checkout 56e47fcb5c6150e22c5a591833d67c3ae7a4e9be
        # save the attached .config to linux build tree
        mkdir build_dir
        make W=1 O=build_dir ARCH=x86_64 SHELL=/bin/bash

If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp@...el.com>

All errors (new ones prefixed by >>):

   In file included from <command-line>:
   security/selinux/nlmsgtab.c: In function 'selinux_nlmsg_lookup':
>> include/linux/compiler_types.h:328:38: error: call to '__compiletime_assert_633' declared with attribute error: BUILD_BUG_ON failed: XFRM_MSG_MAX != XFRM_MSG_MAPPING
     328 |  _compiletime_assert(condition, msg, __compiletime_assert_, __COUNTER__)
         |                                      ^
   include/linux/compiler_types.h:309:4: note: in definition of macro '__compiletime_assert'
     309 |    prefix ## suffix();    \
         |    ^~~~~~
   include/linux/compiler_types.h:328:2: note: in expansion of macro '_compiletime_assert'
     328 |  _compiletime_assert(condition, msg, __compiletime_assert_, __COUNTER__)
         |  ^~~~~~~~~~~~~~~~~~~
   include/linux/build_bug.h:39:37: note: in expansion of macro 'compiletime_assert'
      39 | #define BUILD_BUG_ON_MSG(cond, msg) compiletime_assert(!(cond), msg)
         |                                     ^~~~~~~~~~~~~~~~~~
   include/linux/build_bug.h:50:2: note: in expansion of macro 'BUILD_BUG_ON_MSG'
      50 |  BUILD_BUG_ON_MSG(condition, "BUILD_BUG_ON failed: " #condition)
         |  ^~~~~~~~~~~~~~~~
   security/selinux/nlmsgtab.c:192:3: note: in expansion of macro 'BUILD_BUG_ON'
     192 |   BUILD_BUG_ON(XFRM_MSG_MAX != XFRM_MSG_MAPPING);
         |   ^~~~~~~~~~~~


vim +/__compiletime_assert_633 +328 include/linux/compiler_types.h

eb5c2d4b45e3d2 Will Deacon 2020-07-21  314  
eb5c2d4b45e3d2 Will Deacon 2020-07-21  315  #define _compiletime_assert(condition, msg, prefix, suffix) \
eb5c2d4b45e3d2 Will Deacon 2020-07-21  316  	__compiletime_assert(condition, msg, prefix, suffix)
eb5c2d4b45e3d2 Will Deacon 2020-07-21  317  
eb5c2d4b45e3d2 Will Deacon 2020-07-21  318  /**
eb5c2d4b45e3d2 Will Deacon 2020-07-21  319   * compiletime_assert - break build and emit msg if condition is false
eb5c2d4b45e3d2 Will Deacon 2020-07-21  320   * @condition: a compile-time constant condition to check
eb5c2d4b45e3d2 Will Deacon 2020-07-21  321   * @msg:       a message to emit if condition is false
eb5c2d4b45e3d2 Will Deacon 2020-07-21  322   *
eb5c2d4b45e3d2 Will Deacon 2020-07-21  323   * In tradition of POSIX assert, this macro will break the build if the
eb5c2d4b45e3d2 Will Deacon 2020-07-21  324   * supplied condition is *false*, emitting the supplied error message if the
eb5c2d4b45e3d2 Will Deacon 2020-07-21  325   * compiler has support to do so.
eb5c2d4b45e3d2 Will Deacon 2020-07-21  326   */
eb5c2d4b45e3d2 Will Deacon 2020-07-21  327  #define compiletime_assert(condition, msg) \
eb5c2d4b45e3d2 Will Deacon 2020-07-21 @328  	_compiletime_assert(condition, msg, __compiletime_assert_, __COUNTER__)
eb5c2d4b45e3d2 Will Deacon 2020-07-21  329  

:::::: The code at line 328 was first introduced by commit
:::::: eb5c2d4b45e3d2d5d052ea6b8f1463976b1020d5 compiler.h: Move compiletime_assert() macros into compiler_types.h

:::::: TO: Will Deacon <will@...nel.org>
:::::: CC: Will Deacon <will@...nel.org>

---
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https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org

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