Hi Wei, kernel test robot noticed the following build warnings: [auto build test WARNING on linus/master] [also build test WARNING on v6.14-rc5 next-20250306] [cannot apply to akpm-mm/mm-nonmm-unstable akpm-mm/mm-everything] [If your patch is applied to the wrong git tree, kindly drop us a note. And when submitting patch, we suggest to use '--base' as documented in https://git-scm.com/docs/git-format-patch#_base_tree_information] url: https://github.com/intel-lab-lkp/linux/commits/Wei-Yang/lib-rbtree-enable-userland-test-suite-for-rbtree-related-data-structure/20250304-092345 base: linus/master patch link: https://lore.kernel.org/r/20250304011952.29182-4-richard.weiyang%40gmail.com patch subject: [PATCH 3/7] lib/rbtree: add random seed config: csky-randconfig-002-20250305 (https://download.01.org/0day-ci/archive/20250306/202503061924.hFdFosTG-lkp@xxxxxxxxx/config) compiler: csky-linux-gcc (GCC) 14.2.0 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20250306/202503061924.hFdFosTG-lkp@xxxxxxxxx/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@xxxxxxxxx> | Closes: https://lore.kernel.org/oe-kbuild-all/202503061924.hFdFosTG-lkp@xxxxxxxxx/ All warnings (new ones prefixed by >>): >> lib/interval_tree_test.c:22:22: warning: conversion from 'long long unsigned int' to 'ulong' {aka 'long unsigned int'} changes value from '3141592653589793238' to '2721204694' [-Woverflow] 22 | __param(ulong, seed, 3141592653589793238ULL, "Random seed"); | ^~~~~~~~~~~~~~~~~~~~~~ lib/interval_tree_test.c:10:28: note: in definition of macro '__param' 10 | static type name = init; \ | ^~~~ -- >> lib/rbtree_test.c:17:22: warning: conversion from 'long long unsigned int' to 'ulong' {aka 'long unsigned int'} changes value from '3141592653589793238' to '2721204694' [-Woverflow] 17 | __param(ulong, seed, 3141592653589793238ULL, "Random seed"); | ^~~~~~~~~~~~~~~~~~~~~~ lib/rbtree_test.c:10:28: note: in definition of macro '__param' 10 | static type name = init; \ | ^~~~ vim +22 lib/interval_tree_test.c 20 21 __param(uint, max_endpoint, ~0, "Largest value for the interval's endpoint"); > 22 __param(ulong, seed, 3141592653589793238ULL, "Random seed"); 23 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki
