include/linux/compiler_types.h:617:38: error: call to '__compiletime_assert_304' declared with attribute error: BUILD_BUG_ON failed: IS_ERR(PTR)
From: kernel test robot
Date: Fri Apr 03 2026 - 04:48:08 EST
Hi Tamir,
FYI, the error/warning still remains.
tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head: 5619b098e2fbf3a23bf13d91897056a1fe238c6d
commit: 9bfa52dac27a20b43bcb73e56dc45aba6b9aaff1 printf: convert test_hashed into macro
date: 9 weeks ago
config: xtensa-randconfig-002-20260403 (https://download.01.org/0day-ci/archive/20260403/202604030636.NqjaJvYp-lkp@xxxxxxxxx/config)
compiler: xtensa-linux-gcc (GCC) 8.5.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20260403/202604030636.NqjaJvYp-lkp@xxxxxxxxx/reproduce)
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
| Fixes: 9bfa52dac27a ("printf: convert test_hashed into macro")
| Reported-by: kernel test robot <lkp@xxxxxxxxx>
| Closes: https://lore.kernel.org/oe-kbuild-all/202604030636.NqjaJvYp-lkp@xxxxxxxxx/
All errors (new ones prefixed by >>):
In file included from <command-line>:
lib/tests/printf_kunit.c: In function 'errptr.part.2':
>> include/linux/compiler_types.h:617:38: error: call to '__compiletime_assert_304' declared with attribute error: BUILD_BUG_ON failed: IS_ERR(PTR)
_compiletime_assert(condition, msg, __compiletime_assert_, __COUNTER__)
^
include/linux/compiler_types.h:598:4: note: in definition of macro '__compiletime_assert'
prefix ## suffix(); \
^~~~~~
include/linux/compiler_types.h:617:2: note: in expansion of macro '_compiletime_assert'
_compiletime_assert(condition, msg, __compiletime_assert_, __COUNTER__)
^~~~~~~~~~~~~~~~~~~
include/linux/build_bug.h:39:37: note: in expansion of macro 'compiletime_assert'
#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'
BUILD_BUG_ON_MSG(condition, "BUILD_BUG_ON failed: " #condition)
^~~~~~~~~~~~~~~~
lib/tests/printf_kunit.c:758:2: note: in expansion of macro 'BUILD_BUG_ON'
BUILD_BUG_ON(IS_ERR(PTR));
^~~~~~~~~~~~
vim +/__compiletime_assert_304 +617 include/linux/compiler_types.h
eb5c2d4b45e3d2d Will Deacon 2020-07-21 603
eb5c2d4b45e3d2d Will Deacon 2020-07-21 604 #define _compiletime_assert(condition, msg, prefix, suffix) \
eb5c2d4b45e3d2d Will Deacon 2020-07-21 605 __compiletime_assert(condition, msg, prefix, suffix)
eb5c2d4b45e3d2d Will Deacon 2020-07-21 606
eb5c2d4b45e3d2d Will Deacon 2020-07-21 607 /**
eb5c2d4b45e3d2d Will Deacon 2020-07-21 608 * compiletime_assert - break build and emit msg if condition is false
eb5c2d4b45e3d2d Will Deacon 2020-07-21 609 * @condition: a compile-time constant condition to check
eb5c2d4b45e3d2d Will Deacon 2020-07-21 610 * @msg: a message to emit if condition is false
eb5c2d4b45e3d2d Will Deacon 2020-07-21 611 *
eb5c2d4b45e3d2d Will Deacon 2020-07-21 612 * In tradition of POSIX assert, this macro will break the build if the
eb5c2d4b45e3d2d Will Deacon 2020-07-21 613 * supplied condition is *false*, emitting the supplied error message if the
eb5c2d4b45e3d2d Will Deacon 2020-07-21 614 * compiler has support to do so.
eb5c2d4b45e3d2d Will Deacon 2020-07-21 615 */
eb5c2d4b45e3d2d Will Deacon 2020-07-21 616 #define compiletime_assert(condition, msg) \
eb5c2d4b45e3d2d Will Deacon 2020-07-21 @617 _compiletime_assert(condition, msg, __compiletime_assert_, __COUNTER__)
eb5c2d4b45e3d2d Will Deacon 2020-07-21 618
:::::: The code at line 617 was first introduced by commit
:::::: eb5c2d4b45e3d2d5d052ea6b8f1463976b1020d5 compiler.h: Move compiletime_assert() macros into compiler_types.h
:::::: TO: Will Deacon <will@xxxxxxxxxx>
:::::: CC: Will Deacon <will@xxxxxxxxxx>
--
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki