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d="scan'208";a="341185025" Received: from orsmga004.jf.intel.com ([10.7.209.38]) by orsmga106.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 05 Jun 2023 19:49:43 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=McAfee;i="6600,9927,10732"; a="833041080" X-IronPort-AV: E=Sophos;i="6.00,219,1681196400"; d="scan'208";a="833041080" Received: from lkp-server01.sh.intel.com (HELO 15ab08e44a81) ([10.239.97.150]) by orsmga004.jf.intel.com with ESMTP; 05 Jun 2023 19:49:41 -0700 Received: from kbuild by 15ab08e44a81 with local (Exim 4.96) (envelope-from ) id 1q6MlQ-0004jv-32; Tue, 06 Jun 2023 02:49:40 +0000 Date: Tue, 6 Jun 2023 10:49:15 +0800 From: kernel test robot To: Thomas Gleixner Cc: oe-kbuild-all@lists.linux.dev Subject: [tglx-devel:timers/posix 54/61] include/linux/build_bug.h:78:41: error: static assertion failed: "sizeof_field(siginfo32_t, _sifields._timer) == 4*sizeof(int)" Message-ID: <202306061051.BxD3AkIX-lkp@intel.com> Precedence: bulk X-Mailing-List: oe-kbuild-all@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline tree: https://git.kernel.org/pub/scm/linux/kernel/git/tglx/devel.git timers/posix head: 16a20adb1e0ae19ad42041a7d1b5583e4705ca0c commit: 7980f85caabff6a355848d2d3cd50acbb38b44b3 [54/61] signal: Add sys_private_ptr to siginfo::timer config: i386-defconfig (https://download.01.org/0day-ci/archive/20230606/202306061051.BxD3AkIX-lkp@intel.com/config) compiler: gcc-12 (Debian 12.2.0-14) 12.2.0 reproduce (this is a W=1 build): # https://git.kernel.org/pub/scm/linux/kernel/git/tglx/devel.git/commit/?id=7980f85caabff6a355848d2d3cd50acbb38b44b3 git remote add tglx-devel https://git.kernel.org/pub/scm/linux/kernel/git/tglx/devel.git git fetch --no-tags tglx-devel timers/posix git checkout 7980f85caabff6a355848d2d3cd50acbb38b44b3 # save the config file mkdir build_dir && cp config build_dir/.config make W=1 O=build_dir ARCH=i386 olddefconfig make W=1 O=build_dir ARCH=i386 SHELL=/bin/bash If you fix the issue, kindly add following tag where applicable | Reported-by: kernel test robot | Closes: https://lore.kernel.org/oe-kbuild-all/202306061051.BxD3AkIX-lkp@intel.com/ All errors (new ones prefixed by >>): In file included from include/linux/container_of.h:5, from include/linux/kernel.h:21, from arch/x86/include/asm/percpu.h:27, from arch/x86/include/asm/current.h:10, from include/linux/sched.h:12, from arch/x86/kernel/signal_32.c:10: >> include/linux/build_bug.h:78:41: error: static assertion failed: "sizeof_field(siginfo32_t, _sifields._timer) == 4*sizeof(int)" 78 | #define __static_assert(expr, msg, ...) _Static_assert(expr, msg) | ^~~~~~~~~~~~~~ include/linux/build_bug.h:77:34: note: in expansion of macro '__static_assert' 77 | #define static_assert(expr, ...) __static_assert(expr, ##__VA_ARGS__, #expr) | ^~~~~~~~~~~~~~~ arch/x86/kernel/signal_32.c:447:9: note: in expansion of macro 'static_assert' 447 | static_assert(sizeof_field(siginfo32_t, _sifields.name) == size) | ^~~~~~~~~~~~~ arch/x86/kernel/signal_32.c:459:1: note: in expansion of macro 'CHECK_SI_SIZE' 459 | CHECK_SI_SIZE (_timer, 4*sizeof(int)); | ^~~~~~~~~~~~~ vim +78 include/linux/build_bug.h bc6245e5efd70c Ian Abbott 2017-07-10 60 6bab69c65013be Rasmus Villemoes 2019-03-07 61 /** 6bab69c65013be Rasmus Villemoes 2019-03-07 62 * static_assert - check integer constant expression at build time 6bab69c65013be Rasmus Villemoes 2019-03-07 63 * 6bab69c65013be Rasmus Villemoes 2019-03-07 64 * static_assert() is a wrapper for the C11 _Static_assert, with a 6bab69c65013be Rasmus Villemoes 2019-03-07 65 * little macro magic to make the message optional (defaulting to the 6bab69c65013be Rasmus Villemoes 2019-03-07 66 * stringification of the tested expression). 6bab69c65013be Rasmus Villemoes 2019-03-07 67 * 6bab69c65013be Rasmus Villemoes 2019-03-07 68 * Contrary to BUILD_BUG_ON(), static_assert() can be used at global 6bab69c65013be Rasmus Villemoes 2019-03-07 69 * scope, but requires the expression to be an integer constant 6bab69c65013be Rasmus Villemoes 2019-03-07 70 * expression (i.e., it is not enough that __builtin_constant_p() is 6bab69c65013be Rasmus Villemoes 2019-03-07 71 * true for expr). 6bab69c65013be Rasmus Villemoes 2019-03-07 72 * 6bab69c65013be Rasmus Villemoes 2019-03-07 73 * Also note that BUILD_BUG_ON() fails the build if the condition is 6bab69c65013be Rasmus Villemoes 2019-03-07 74 * true, while static_assert() fails the build if the expression is 6bab69c65013be Rasmus Villemoes 2019-03-07 75 * false. 6bab69c65013be Rasmus Villemoes 2019-03-07 76 */ 6bab69c65013be Rasmus Villemoes 2019-03-07 77 #define static_assert(expr, ...) __static_assert(expr, ##__VA_ARGS__, #expr) 6bab69c65013be Rasmus Villemoes 2019-03-07 @78 #define __static_assert(expr, msg, ...) _Static_assert(expr, msg) 6bab69c65013be Rasmus Villemoes 2019-03-07 79 07a368b3f55a79 Maxim Levitsky 2022-10-25 80 :::::: The code at line 78 was first introduced by commit :::::: 6bab69c65013bed5fce9f101a64a84d0385b3946 build_bug.h: add wrapper for _Static_assert :::::: TO: Rasmus Villemoes :::::: CC: Linus Torvalds -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki