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Message-ID: <202312200551.myXdIst6-lkp@intel.com>
Date: Wed, 20 Dec 2023 05:49:35 +0800
From: kernel test robot <lkp@...el.com>
To: Shayne Chen <shayne.chen@...iatek.com>
Cc: oe-kbuild-all@...ts.linux.dev, linux-kernel@...r.kernel.org,
Felix Fietkau <nbd@....name>
Subject: include/linux/compiler_types.h:397:45: error: call to
'__compiletime_assert_398' declared with attribute error: BUILD_BUG_ON
failed: sizeof(mstat) > sizeof(skb->cb)
Hi Shayne,
FYI, the error/warning still remains.
tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head: 55cb5f43689d7a9ea5bf35ef050f12334f197347
commit: 021af945997ffaeaa37c9673d71afad7cde6bdef wifi: mt76: mt7996: add eht rx rate support
date: 8 months ago
config: arm-randconfig-002-20231220 (https://download.01.org/0day-ci/archive/20231220/202312200551.myXdIst6-lkp@intel.com/config)
compiler: arm-linux-gnueabi-gcc (GCC) 13.2.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20231220/202312200551.myXdIst6-lkp@intel.com/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
| Reported-by: kernel test robot <lkp@...el.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202312200551.myXdIst6-lkp@intel.com/
All errors (new ones prefixed by >>):
In file included from include/linux/string.h:254,
from include/linux/bitmap.h:11,
from include/linux/cpumask.h:12,
from include/linux/smp.h:13,
from include/linux/lockdep.h:14,
from include/linux/rcupdate.h:29,
from include/linux/rculist.h:11,
from include/linux/pid.h:5,
from include/linux/sched.h:14,
from drivers/net/wireless/mediatek/mt76/mac80211.c:5:
In function 'fortify_memset_chk',
inlined from 'mt76_rx_convert' at drivers/net/wireless/mediatek/mt76/mac80211.c:1063:2:
include/linux/fortify-string.h:430:25: warning: call to '__write_overflow_field' declared with attribute warning: detected write beyond size of field (1st parameter); maybe use struct_group()? [-Wattribute-warning]
430 | __write_overflow_field(p_size_field, size);
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
In file included from <command-line>:
drivers/net/wireless/mediatek/mt76/mac80211.c: In function 'mt76_rx_convert':
>> include/linux/compiler_types.h:397:45: error: call to '__compiletime_assert_398' declared with attribute error: BUILD_BUG_ON failed: sizeof(mstat) > sizeof(skb->cb)
397 | _compiletime_assert(condition, msg, __compiletime_assert_, __COUNTER__)
| ^
include/linux/compiler_types.h:378:25: note: in definition of macro '__compiletime_assert'
378 | prefix ## suffix(); \
| ^~~~~~
include/linux/compiler_types.h:397:9: note: in expansion of macro '_compiletime_assert'
397 | _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)
| ^~~~~~~~~~~~~~~~
drivers/net/wireless/mediatek/mt76/mac80211.c:1094:9: note: in expansion of macro 'BUILD_BUG_ON'
1094 | BUILD_BUG_ON(sizeof(mstat) > sizeof(skb->cb));
| ^~~~~~~~~~~~
vim +/__compiletime_assert_398 +397 include/linux/compiler_types.h
eb5c2d4b45e3d2 Will Deacon 2020-07-21 383
eb5c2d4b45e3d2 Will Deacon 2020-07-21 384 #define _compiletime_assert(condition, msg, prefix, suffix) \
eb5c2d4b45e3d2 Will Deacon 2020-07-21 385 __compiletime_assert(condition, msg, prefix, suffix)
eb5c2d4b45e3d2 Will Deacon 2020-07-21 386
eb5c2d4b45e3d2 Will Deacon 2020-07-21 387 /**
eb5c2d4b45e3d2 Will Deacon 2020-07-21 388 * compiletime_assert - break build and emit msg if condition is false
eb5c2d4b45e3d2 Will Deacon 2020-07-21 389 * @condition: a compile-time constant condition to check
eb5c2d4b45e3d2 Will Deacon 2020-07-21 390 * @msg: a message to emit if condition is false
eb5c2d4b45e3d2 Will Deacon 2020-07-21 391 *
eb5c2d4b45e3d2 Will Deacon 2020-07-21 392 * In tradition of POSIX assert, this macro will break the build if the
eb5c2d4b45e3d2 Will Deacon 2020-07-21 393 * supplied condition is *false*, emitting the supplied error message if the
eb5c2d4b45e3d2 Will Deacon 2020-07-21 394 * compiler has support to do so.
eb5c2d4b45e3d2 Will Deacon 2020-07-21 395 */
eb5c2d4b45e3d2 Will Deacon 2020-07-21 396 #define compiletime_assert(condition, msg) \
eb5c2d4b45e3d2 Will Deacon 2020-07-21 @397 _compiletime_assert(condition, msg, __compiletime_assert_, __COUNTER__)
eb5c2d4b45e3d2 Will Deacon 2020-07-21 398
:::::: The code at line 397 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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