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Wong" Subject: [linux-next:master 3223/3431] include/linux/compiler_types.h:706:38: error: call to '__compiletime_assert_430' declared with attribute error: min(outarg.size, ((loff_t)(~0UL) << 14) - pos) signedness error Message-ID: <202603042237.M1MDFjps-lkp@intel.com> User-Agent: s-nail v14.9.25 Precedence: bulk X-Mailing-List: oe-kbuild-all@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: tree: https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git master head: c025f6cf4209e1542ec2afebe49f42bbaf1a5c7b commit: db64b9107f146940606d512f1d6214323b905565 [3223/3431] fuse: simplify logic in fuse_notify_store() and fuse_retrieve() config: arc-randconfig-002-20260304 (https://download.01.org/0day-ci/archive/20260304/202603042237.M1MDFjps-lkp@intel.com/config) compiler: arc-linux-gcc (GCC) 9.5.0 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20260304/202603042237.M1MDFjps-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 | Closes: https://lore.kernel.org/oe-kbuild-all/202603042237.M1MDFjps-lkp@intel.com/ All errors (new ones prefixed by >>): In file included from : fs/fuse/dev.c: In function 'fuse_notify_store': >> include/linux/compiler_types.h:706:38: error: call to '__compiletime_assert_430' declared with attribute error: min(outarg.size, ((loff_t)(~0UL) << 14) - pos) signedness error 706 | _compiletime_assert(condition, msg, __compiletime_assert_, __COUNTER__) | ^ include/linux/compiler_types.h:687:4: note: in definition of macro '__compiletime_assert' 687 | prefix ## suffix(); \ | ^~~~~~ include/linux/compiler_types.h:706:2: note: in expansion of macro '_compiletime_assert' 706 | _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/minmax.h:93:2: note: in expansion of macro 'BUILD_BUG_ON_MSG' 93 | BUILD_BUG_ON_MSG(!__types_ok(ux, uy), \ | ^~~~~~~~~~~~~~~~ include/linux/minmax.h:98:2: note: in expansion of macro '__careful_cmp_once' 98 | __careful_cmp_once(op, x, y, __UNIQUE_ID(x_), __UNIQUE_ID(y_)) | ^~~~~~~~~~~~~~~~~~ include/linux/minmax.h:105:19: note: in expansion of macro '__careful_cmp' 105 | #define min(x, y) __careful_cmp(min, x, y) | ^~~~~~~~~~~~~ fs/fuse/dev.c:1790:8: note: in expansion of macro 'min' 1790 | num = min(outarg.size, MAX_LFS_FILESIZE - pos); | ^~~ vim +/__compiletime_assert_430 +706 include/linux/compiler_types.h eb5c2d4b45e3d2d Will Deacon 2020-07-21 692 eb5c2d4b45e3d2d Will Deacon 2020-07-21 693 #define _compiletime_assert(condition, msg, prefix, suffix) \ eb5c2d4b45e3d2d Will Deacon 2020-07-21 694 __compiletime_assert(condition, msg, prefix, suffix) eb5c2d4b45e3d2d Will Deacon 2020-07-21 695 eb5c2d4b45e3d2d Will Deacon 2020-07-21 696 /** eb5c2d4b45e3d2d Will Deacon 2020-07-21 697 * compiletime_assert - break build and emit msg if condition is false eb5c2d4b45e3d2d Will Deacon 2020-07-21 698 * @condition: a compile-time constant condition to check eb5c2d4b45e3d2d Will Deacon 2020-07-21 699 * @msg: a message to emit if condition is false eb5c2d4b45e3d2d Will Deacon 2020-07-21 700 * eb5c2d4b45e3d2d Will Deacon 2020-07-21 701 * In tradition of POSIX assert, this macro will break the build if the eb5c2d4b45e3d2d Will Deacon 2020-07-21 702 * supplied condition is *false*, emitting the supplied error message if the eb5c2d4b45e3d2d Will Deacon 2020-07-21 703 * compiler has support to do so. eb5c2d4b45e3d2d Will Deacon 2020-07-21 704 */ eb5c2d4b45e3d2d Will Deacon 2020-07-21 705 #define compiletime_assert(condition, msg) \ eb5c2d4b45e3d2d Will Deacon 2020-07-21 @706 _compiletime_assert(condition, msg, __compiletime_assert_, __COUNTER__) eb5c2d4b45e3d2d Will Deacon 2020-07-21 707 :::::: The code at line 706 was first introduced by commit :::::: eb5c2d4b45e3d2d5d052ea6b8f1463976b1020d5 compiler.h: Move compiletime_assert() macros into compiler_types.h :::::: TO: Will Deacon :::::: CC: Will Deacon -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki