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Mon, 25 Jul 2022 03:23:54 +0000 Date: Mon, 25 Jul 2022 11:23:27 +0800 From: kernel test robot To: Bart Van Assche Cc: kbuild-all@lists.01.org, linux-kernel@vger.kernel.org Subject: [bvanassche:f2fs 2/4] include/linux/build_bug.h:78:41: error: static assertion failed: "" Message-ID: <202207251111.i3B7nJVK-lkp@intel.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org tree: https://github.com/bvanassche/linux f2fs head: 60251142bb6f7bdec515d53e4667eb893fca4454 commit: e3ea6c10e5f69ea3ac4f2312737d7228fb663a8f [2/4] f2fs: Verify the size of on-disk structures at compile time config: arm-randconfig-c023-20220724 (https://download.01.org/0day-ci/archive/20220725/202207251111.i3B7nJVK-lkp@intel.com/config) compiler: arm-linux-gnueabi-gcc (GCC) 12.1.0 reproduce (this is a W=1 build): wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross # https://github.com/bvanassche/linux/commit/e3ea6c10e5f69ea3ac4f2312737d7228fb663a8f git remote add bvanassche https://github.com/bvanassche/linux git fetch --no-tags bvanassche f2fs git checkout e3ea6c10e5f69ea3ac4f2312737d7228fb663a8f # save the config file mkdir build_dir && cp config build_dir/.config COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-12.1.0 make.cross W=1 O=build_dir ARCH=arm SHELL=/bin/bash fs/f2fs/ If you fix the issue, kindly add following tag where applicable Reported-by: kernel test robot All errors (new ones prefixed by >>): In file included from include/linux/container_of.h:5, from include/linux/list.h:5, from include/linux/wait.h:7, from include/linux/wait_bit.h:8, from include/linux/fs.h:6, from fs/f2fs/dir.c:9: >> include/linux/build_bug.h:78:41: error: static assertion failed: "" 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) | ^~~~~~~~~~~~~~~ include/linux/f2fs_fs.h:441:1: note: in expansion of macro 'static_assert' 441 | static_assert(sizeof(struct f2fs_summary) == 7, ""); | ^~~~~~~~~~~~~ >> include/linux/build_bug.h:78:41: error: static assertion failed: "" 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) | ^~~~~~~~~~~~~~~ include/linux/f2fs_fs.h:527:1: note: in expansion of macro 'static_assert' 527 | static_assert(sizeof(struct f2fs_journal) == 507, ""); | ^~~~~~~~~~~~~ >> include/linux/build_bug.h:78:41: error: static assertion failed: "" 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) | ^~~~~~~~~~~~~~~ include/linux/f2fs_fs.h:536:1: note: in expansion of macro 'static_assert' 536 | static_assert(sizeof(struct f2fs_summary_block) == 4096, ""); | ^~~~~~~~~~~~~ -- In file included from include/linux/container_of.h:5, from include/linux/list.h:5, from include/linux/wait.h:7, from include/linux/wait_bit.h:8, from include/linux/fs.h:6, from fs/f2fs/file.c:8: >> include/linux/build_bug.h:78:41: error: static assertion failed: "" 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) | ^~~~~~~~~~~~~~~ include/linux/f2fs_fs.h:441:1: note: in expansion of macro 'static_assert' 441 | static_assert(sizeof(struct f2fs_summary) == 7, ""); | ^~~~~~~~~~~~~ >> include/linux/build_bug.h:78:41: error: static assertion failed: "" 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) | ^~~~~~~~~~~~~~~ include/linux/f2fs_fs.h:527:1: note: in expansion of macro 'static_assert' 527 | static_assert(sizeof(struct f2fs_journal) == 507, ""); | ^~~~~~~~~~~~~ >> include/linux/build_bug.h:78:41: error: static assertion failed: "" 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) | ^~~~~~~~~~~~~~~ include/linux/f2fs_fs.h:536:1: note: in expansion of macro 'static_assert' 536 | static_assert(sizeof(struct f2fs_summary_block) == 4096, ""); | ^~~~~~~~~~~~~ In file included from include/linux/kernel.h:26, from include/linux/cpumask.h:10, from include/linux/smp.h:13, from include/linux/lockdep.h:14, from include/linux/spinlock.h:62, from include/linux/wait.h:9: fs/f2fs/segment.h: In function 'seg_info_to_sit_page': include/linux/minmax.h:20:35: warning: comparison of distinct pointer types lacks a cast 20 | (!!(sizeof((typeof(x) *)1 == (typeof(y) *)1))) | ^~ include/linux/minmax.h:26:18: note: in expansion of macro '__typecheck' 26 | (__typecheck(x, y) && __no_side_effects(x, y)) | ^~~~~~~~~~~ include/linux/minmax.h:36:31: note: in expansion of macro '__safe_cmp' 36 | __builtin_choose_expr(__safe_cmp(x, y), \ | ^~~~~~~~~~ include/linux/minmax.h:45:25: note: in expansion of macro '__careful_cmp' 45 | #define min(x, y) __careful_cmp(x, y, <) | ^~~~~~~~~~~~~ fs/f2fs/segment.h:417:28: note: in expansion of macro 'min' 417 | unsigned int end = min(start + SIT_ENTRY_PER_BLOCK, | ^~~ -- In file included from include/linux/container_of.h:5, from include/linux/list.h:5, from include/linux/wait.h:7, from include/linux/wait_bit.h:8, from include/linux/fs.h:6, from fs/f2fs/segment.c:8: >> include/linux/build_bug.h:78:41: error: static assertion failed: "" 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) | ^~~~~~~~~~~~~~~ include/linux/f2fs_fs.h:441:1: note: in expansion of macro 'static_assert' 441 | static_assert(sizeof(struct f2fs_summary) == 7, ""); | ^~~~~~~~~~~~~ >> include/linux/build_bug.h:78:41: error: static assertion failed: "" 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) | ^~~~~~~~~~~~~~~ include/linux/f2fs_fs.h:527:1: note: in expansion of macro 'static_assert' 527 | static_assert(sizeof(struct f2fs_journal) == 507, ""); | ^~~~~~~~~~~~~ >> include/linux/build_bug.h:78:41: error: static assertion failed: "" 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) | ^~~~~~~~~~~~~~~ include/linux/f2fs_fs.h:536:1: note: in expansion of macro 'static_assert' 536 | static_assert(sizeof(struct f2fs_summary_block) == 4096, ""); | ^~~~~~~~~~~~~ In file included from include/linux/kernel.h:26, from include/linux/cpumask.h:10, from include/linux/smp.h:13, from include/linux/lockdep.h:14, from include/linux/spinlock.h:62, from include/linux/wait.h:9: fs/f2fs/segment.h: In function 'seg_info_to_sit_page': include/linux/minmax.h:20:35: warning: comparison of distinct pointer types lacks a cast 20 | (!!(sizeof((typeof(x) *)1 == (typeof(y) *)1))) | ^~ include/linux/minmax.h:26:18: note: in expansion of macro '__typecheck' 26 | (__typecheck(x, y) && __no_side_effects(x, y)) | ^~~~~~~~~~~ include/linux/minmax.h:36:31: note: in expansion of macro '__safe_cmp' 36 | __builtin_choose_expr(__safe_cmp(x, y), \ | ^~~~~~~~~~ include/linux/minmax.h:45:25: note: in expansion of macro '__careful_cmp' 45 | #define min(x, y) __careful_cmp(x, y, <) | ^~~~~~~~~~~~~ fs/f2fs/segment.h:417:28: note: in expansion of macro 'min' 417 | unsigned int end = min(start + SIT_ENTRY_PER_BLOCK, | ^~~ fs/f2fs/segment.c: In function 'f2fs_flush_sit_entries': include/linux/minmax.h:20:35: warning: comparison of distinct pointer types lacks a cast 20 | (!!(sizeof((typeof(x) *)1 == (typeof(y) *)1))) | ^~ include/linux/minmax.h:26:18: note: in expansion of macro '__typecheck' 26 | (__typecheck(x, y) && __no_side_effects(x, y)) | ^~~~~~~~~~~ include/linux/minmax.h:36:31: note: in expansion of macro '__safe_cmp' 36 | __builtin_choose_expr(__safe_cmp(x, y), \ | ^~~~~~~~~~ include/linux/minmax.h:45:25: note: in expansion of macro '__careful_cmp' 45 | #define min(x, y) __careful_cmp(x, y, <) | ^~~~~~~~~~~~~ fs/f2fs/segment.c:4070:36: note: in expansion of macro 'min' 4070 | unsigned int end = min(start_segno + SIT_ENTRY_PER_BLOCK, | ^~~ 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 :::::: 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://01.org/lkp