[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
From: kernel test robot <hidden>
Date: 2021-09-08 13:16:10
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 <redacted>
All errors (new ones prefixed by >>):
In file included from <command-line>:
security/selinux/nlmsgtab.c: In function 'selinux_nlmsg_lookup':quoted
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 [off-list ref]
:::::: CC: Will Deacon [off-list ref]
---
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