linux-kernel - include/linux/compiler_types.h:358:45: error: call to '__compiletime_assert_669' declared with attribute error: BUILD_BUG_ON failed: sizeof(struct ieee80211_rx

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 for Android: free password hash cracker in your pocket

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

Message-ID: <202306151842.ws1F8UJf-lkp@intel.com>
Date:   Thu, 15 Jun 2023 18:44:33 +0800
From:   kernel test robot <lkp@...el.com>
To:     Johannes Berg <johannes.berg@...el.com>
Cc:     oe-kbuild-all@...ts.linux.dev, linux-kernel@...r.kernel.org
Subject: include/linux/compiler_types.h:358:45: error: call to
 '__compiletime_assert_669' declared with attribute error: BUILD_BUG_ON
 failed: sizeof(struct ieee80211_rx_status) > sizeof(skb->cb)

Hi Johannes,

FYI, the error/warning still remains.

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head:   b6dad5178ceaf23f369c3711062ce1f2afc33644
commit: f66c48af7a110c0d694c4ac4a1257affb272a2ea mac80211: support minimal EHT rate reporting on RX
date:   5 months ago
config: arm-randconfig-r024-20230615 (https://download.01.org/0day-ci/archive/20230615/202306151842.ws1F8UJf-lkp@intel.com/config)
compiler: arm-linux-gnueabi-gcc (GCC) 12.3.0
reproduce (this is a W=1 build):
        mkdir -p ~/bin
        wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
        chmod +x ~/bin/make.cross
        # https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=f66c48af7a110c0d694c4ac4a1257affb272a2ea
        git remote add linus https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
        git fetch --no-tags linus master
        git checkout f66c48af7a110c0d694c4ac4a1257affb272a2ea
        # save the config file
        mkdir build_dir && cp config build_dir/.config
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-12.3.0 ~/bin/make.cross W=1 O=build_dir ARCH=arm olddefconfig
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-12.3.0 ~/bin/make.cross W=1 O=build_dir ARCH=arm SHELL=/bin/bash net/mac80211/

If you fix the issue in a separate patch/commit (i.e. not just a new version of
the same patch/commit), kindly add following tags
| Reported-by: kernel test robot <lkp@...el.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202306151842.ws1F8UJf-lkp@intel.com/

All errors (new ones prefixed by >>):

   In file included from <command-line>:
   net/mac80211/rx.c: In function 'ieee80211_rx_irqsafe':
>> include/linux/compiler_types.h:358:45: error: call to '__compiletime_assert_669' declared with attribute error: BUILD_BUG_ON failed: sizeof(struct ieee80211_rx_status) > sizeof(skb->cb)
     358 |         _compiletime_assert(condition, msg, __compiletime_assert_, __COUNTER__)
         |                                             ^
   include/linux/compiler_types.h:339:25: note: in definition of macro '__compiletime_assert'
     339 |                         prefix ## suffix();                             \
         |                         ^~~~~~
   include/linux/compiler_types.h:358:9: note: in expansion of macro '_compiletime_assert'
     358 |         _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:50:9: note: in expansion of macro 'BUILD_BUG_ON_MSG'
      50 |         BUILD_BUG_ON_MSG(condition, "BUILD_BUG_ON failed: " #condition)
         |         ^~~~~~~~~~~~~~~~
   net/mac80211/rx.c:5283:9: note: in expansion of macro 'BUILD_BUG_ON'
    5283 |         BUILD_BUG_ON(sizeof(struct ieee80211_rx_status) > sizeof(skb->cb));
         |         ^~~~~~~~~~~~


vim +/__compiletime_assert_669 +358 include/linux/compiler_types.h

eb5c2d4b45e3d2 Will Deacon 2020-07-21  344  
eb5c2d4b45e3d2 Will Deacon 2020-07-21  345  #define _compiletime_assert(condition, msg, prefix, suffix) \
eb5c2d4b45e3d2 Will Deacon 2020-07-21  346  	__compiletime_assert(condition, msg, prefix, suffix)
eb5c2d4b45e3d2 Will Deacon 2020-07-21  347  
eb5c2d4b45e3d2 Will Deacon 2020-07-21  348  /**
eb5c2d4b45e3d2 Will Deacon 2020-07-21  349   * compiletime_assert - break build and emit msg if condition is false
eb5c2d4b45e3d2 Will Deacon 2020-07-21  350   * @condition: a compile-time constant condition to check
eb5c2d4b45e3d2 Will Deacon 2020-07-21  351   * @msg:       a message to emit if condition is false
eb5c2d4b45e3d2 Will Deacon 2020-07-21  352   *
eb5c2d4b45e3d2 Will Deacon 2020-07-21  353   * In tradition of POSIX assert, this macro will break the build if the
eb5c2d4b45e3d2 Will Deacon 2020-07-21  354   * supplied condition is *false*, emitting the supplied error message if the
eb5c2d4b45e3d2 Will Deacon 2020-07-21  355   * compiler has support to do so.
eb5c2d4b45e3d2 Will Deacon 2020-07-21  356   */
eb5c2d4b45e3d2 Will Deacon 2020-07-21  357  #define compiletime_assert(condition, msg) \
eb5c2d4b45e3d2 Will Deacon 2020-07-21 @358  	_compiletime_assert(condition, msg, __compiletime_assert_, __COUNTER__)
eb5c2d4b45e3d2 Will Deacon 2020-07-21  359  

:::::: The code at line 358 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>

-- 
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki