[kbuild-all] [kees:for-next/overflow 4/4] lib/overflow_kunit.c:96:1: warning: unused variable 'u64_tests'

tree: https://git.kernel.org/pub/scm/linux/kernel/git/kees/linux.git for-next/overflow head: df523415488222202d88ef6b3d0bad7276c52b85 commit: df523415488222202d88ef6b3d0bad7276c52b85 [4/4] lib: overflow: Convert to Kunit config: mips-randconfig-r033-20220217 (https://download.01.org/0day-ci/archive/20220217/202202171558.vQiKL7mj-lk...) compiler: clang version 15.0.0 (https://github.com/llvm/llvm-project 0bad7cb56526f2572c74449fcf97c1fcda42b41d) 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 # install mips cross compiling tool for clang build # apt-get install binutils-mips-linux-gnu # https://git.kernel.org/pub/scm/linux/kernel/git/kees/linux.git/commit/?id... git remote add kees https://git.kernel.org/pub/scm/linux/kernel/git/kees/linux.git git fetch --no-tags kees for-next/overflow git checkout df523415488222202d88ef6b3d0bad7276c52b85 # save the config file to linux build tree mkdir build_dir COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=mips SHELL=/bin/bash If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp(a)intel.com&gt; All warnings (new ones prefixed by >>): DEFINE_TEST_ARRAY(u64) = { ^ lib/overflow_kunit.c:26:4: note: expanded from macro 'DEFINE_TEST_ARRAY' } t ## _tests[] ^ <scratch space>:110:1: note: expanded from here u64_tests ^ DEFINE_TEST_ARRAY(s64) = { ^ lib/overflow_kunit.c:26:4: note: expanded from macro 'DEFINE_TEST_ARRAY' } t ## _tests[] ^ <scratch space>:118:1: note: expanded from here s64_tests ^ 2 warnings generated. vim +/u64_tests +96 lib/overflow_kunit.c 455a35a6cdb6f5 lib/test_overflow.c Rasmus Villemoes 2018-05-08 95 455a35a6cdb6f5 lib/test_overflow.c Rasmus Villemoes 2018-05-08 @96 DEFINE_TEST_ARRAY(u64) = { 455a35a6cdb6f5 lib/test_overflow.c Rasmus Villemoes 2018-05-08 97 {0, 0, 0, 0, 0, false, false, false}, 455a35a6cdb6f5 lib/test_overflow.c Rasmus Villemoes 2018-05-08 98 {1, 1, 2, 0, 1, false, false, false}, 455a35a6cdb6f5 lib/test_overflow.c Rasmus Villemoes 2018-05-08 99 {0, 1, 1, U64_MAX, 0, false, true, false}, 455a35a6cdb6f5 lib/test_overflow.c Rasmus Villemoes 2018-05-08 100 {1, 0, 1, 1, 0, false, false, false}, 455a35a6cdb6f5 lib/test_overflow.c Rasmus Villemoes 2018-05-08 101 {0, U64_MAX, U64_MAX, 1, 0, false, true, false}, 455a35a6cdb6f5 lib/test_overflow.c Rasmus Villemoes 2018-05-08 102 {U64_MAX, 0, U64_MAX, U64_MAX, 0, false, false, false}, 455a35a6cdb6f5 lib/test_overflow.c Rasmus Villemoes 2018-05-08 103 {1, U64_MAX, 0, 2, U64_MAX, true, true, false}, 455a35a6cdb6f5 lib/test_overflow.c Rasmus Villemoes 2018-05-08 104 {U64_MAX, 1, 0, U64_MAX-1, U64_MAX, true, false, false}, 455a35a6cdb6f5 lib/test_overflow.c Rasmus Villemoes 2018-05-08 105 {U64_MAX, U64_MAX, U64_MAX-1, 0, 1, true, false, true}, 455a35a6cdb6f5 lib/test_overflow.c Rasmus Villemoes 2018-05-08 106 455a35a6cdb6f5 lib/test_overflow.c Rasmus Villemoes 2018-05-08 107 {U64_MAX, U64_MAX-1, U64_MAX-2, 1, 2, true, false, true}, 455a35a6cdb6f5 lib/test_overflow.c Rasmus Villemoes 2018-05-08 108 {U64_MAX-1, U64_MAX, U64_MAX-2, U64_MAX, 2, true, true, true}, 455a35a6cdb6f5 lib/test_overflow.c Rasmus Villemoes 2018-05-08 109 455a35a6cdb6f5 lib/test_overflow.c Rasmus Villemoes 2018-05-08 110 {1ULL << 31, 1ULL << 31, 1ULL << 32, 0, 1ULL << 62, false, false, false}, 455a35a6cdb6f5 lib/test_overflow.c Rasmus Villemoes 2018-05-08 111 {1ULL << 32, 1ULL << 32, 1ULL << 33, 0, 0, false, false, true}, 455a35a6cdb6f5 lib/test_overflow.c Rasmus Villemoes 2018-05-08 112 {1ULL << 32, 1ULL << 31, 3*(1ULL << 31), 1ULL << 31, 1ULL << 63, false, false, false}, 455a35a6cdb6f5 lib/test_overflow.c Rasmus Villemoes 2018-05-08 113 {1ULL << 63, 1ULL << 63, 0, 0, 0, true, false, true}, 455a35a6cdb6f5 lib/test_overflow.c Rasmus Villemoes 2018-05-08 114 {1000000000ULL /* 10^9 */, 10000000000ULL /* 10^10 */, 455a35a6cdb6f5 lib/test_overflow.c Rasmus Villemoes 2018-05-08 115 11000000000ULL, 18446744064709551616ULL, 10000000000000000000ULL, 455a35a6cdb6f5 lib/test_overflow.c Rasmus Villemoes 2018-05-08 116 false, true, false}, 455a35a6cdb6f5 lib/test_overflow.c Rasmus Villemoes 2018-05-08 117 {-15ULL, 10ULL, -5ULL, -25ULL, -150ULL, false, false, true}, 455a35a6cdb6f5 lib/test_overflow.c Rasmus Villemoes 2018-05-08 118 }; 455a35a6cdb6f5 lib/test_overflow.c Rasmus Villemoes 2018-05-08 119 455a35a6cdb6f5 lib/test_overflow.c Rasmus Villemoes 2018-05-08 120 DEFINE_TEST_ARRAY(s8) = { 455a35a6cdb6f5 lib/test_overflow.c Rasmus Villemoes 2018-05-08 121 {0, 0, 0, 0, 0, false, false, false}, 455a35a6cdb6f5 lib/test_overflow.c Rasmus Villemoes 2018-05-08 122 455a35a6cdb6f5 lib/test_overflow.c Rasmus Villemoes 2018-05-08 123 {0, S8_MAX, S8_MAX, -S8_MAX, 0, false, false, false}, 455a35a6cdb6f5 lib/test_overflow.c Rasmus Villemoes 2018-05-08 124 {S8_MAX, 0, S8_MAX, S8_MAX, 0, false, false, false}, 455a35a6cdb6f5 lib/test_overflow.c Rasmus Villemoes 2018-05-08 125 {0, S8_MIN, S8_MIN, S8_MIN, 0, false, true, false}, 455a35a6cdb6f5 lib/test_overflow.c Rasmus Villemoes 2018-05-08 126 {S8_MIN, 0, S8_MIN, S8_MIN, 0, false, false, false}, 455a35a6cdb6f5 lib/test_overflow.c Rasmus Villemoes 2018-05-08 127 455a35a6cdb6f5 lib/test_overflow.c Rasmus Villemoes 2018-05-08 128 {-1, S8_MIN, S8_MAX, S8_MAX, S8_MIN, true, false, true}, 455a35a6cdb6f5 lib/test_overflow.c Rasmus Villemoes 2018-05-08 129 {S8_MIN, -1, S8_MAX, -S8_MAX, S8_MIN, true, false, true}, 455a35a6cdb6f5 lib/test_overflow.c Rasmus Villemoes 2018-05-08 130 {-1, S8_MAX, S8_MAX-1, S8_MIN, -S8_MAX, false, false, false}, 455a35a6cdb6f5 lib/test_overflow.c Rasmus Villemoes 2018-05-08 131 {S8_MAX, -1, S8_MAX-1, S8_MIN, -S8_MAX, false, true, false}, 455a35a6cdb6f5 lib/test_overflow.c Rasmus Villemoes 2018-05-08 132 {-1, -S8_MAX, S8_MIN, S8_MAX-1, S8_MAX, false, false, false}, 455a35a6cdb6f5 lib/test_overflow.c Rasmus Villemoes 2018-05-08 133 {-S8_MAX, -1, S8_MIN, S8_MIN+2, S8_MAX, false, false, false}, 455a35a6cdb6f5 lib/test_overflow.c Rasmus Villemoes 2018-05-08 134 455a35a6cdb6f5 lib/test_overflow.c Rasmus Villemoes 2018-05-08 135 {1, S8_MIN, -S8_MAX, -S8_MAX, S8_MIN, false, true, false}, 455a35a6cdb6f5 lib/test_overflow.c Rasmus Villemoes 2018-05-08 136 {S8_MIN, 1, -S8_MAX, S8_MAX, S8_MIN, false, true, false}, 455a35a6cdb6f5 lib/test_overflow.c Rasmus Villemoes 2018-05-08 137 {1, S8_MAX, S8_MIN, S8_MIN+2, S8_MAX, true, false, false}, 455a35a6cdb6f5 lib/test_overflow.c Rasmus Villemoes 2018-05-08 138 {S8_MAX, 1, S8_MIN, S8_MAX-1, S8_MAX, true, false, false}, 455a35a6cdb6f5 lib/test_overflow.c Rasmus Villemoes 2018-05-08 139 455a35a6cdb6f5 lib/test_overflow.c Rasmus Villemoes 2018-05-08 140 {S8_MIN, S8_MIN, 0, 0, 0, true, false, true}, 455a35a6cdb6f5 lib/test_overflow.c Rasmus Villemoes 2018-05-08 141 {S8_MAX, S8_MAX, -2, 0, 1, true, false, true}, 455a35a6cdb6f5 lib/test_overflow.c Rasmus Villemoes 2018-05-08 142 455a35a6cdb6f5 lib/test_overflow.c Rasmus Villemoes 2018-05-08 143 {-4, -32, -36, 28, -128, false, false, true}, 455a35a6cdb6f5 lib/test_overflow.c Rasmus Villemoes 2018-05-08 144 {-4, 32, 28, -36, -128, false, false, false}, 455a35a6cdb6f5 lib/test_overflow.c Rasmus Villemoes 2018-05-08 145 }; 455a35a6cdb6f5 lib/test_overflow.c Rasmus Villemoes 2018-05-08 146 455a35a6cdb6f5 lib/test_overflow.c Rasmus Villemoes 2018-05-08 147 DEFINE_TEST_ARRAY(s16) = { 455a35a6cdb6f5 lib/test_overflow.c Rasmus Villemoes 2018-05-08 148 {0, 0, 0, 0, 0, false, false, false}, 455a35a6cdb6f5 lib/test_overflow.c Rasmus Villemoes 2018-05-08 149 455a35a6cdb6f5 lib/test_overflow.c Rasmus Villemoes 2018-05-08 150 {0, S16_MAX, S16_MAX, -S16_MAX, 0, false, false, false}, 455a35a6cdb6f5 lib/test_overflow.c Rasmus Villemoes 2018-05-08 151 {S16_MAX, 0, S16_MAX, S16_MAX, 0, false, false, false}, 455a35a6cdb6f5 lib/test_overflow.c Rasmus Villemoes 2018-05-08 152 {0, S16_MIN, S16_MIN, S16_MIN, 0, false, true, false}, 455a35a6cdb6f5 lib/test_overflow.c Rasmus Villemoes 2018-05-08 153 {S16_MIN, 0, S16_MIN, S16_MIN, 0, false, false, false}, 455a35a6cdb6f5 lib/test_overflow.c Rasmus Villemoes 2018-05-08 154 455a35a6cdb6f5 lib/test_overflow.c Rasmus Villemoes 2018-05-08 155 {-1, S16_MIN, S16_MAX, S16_MAX, S16_MIN, true, false, true}, 455a35a6cdb6f5 lib/test_overflow.c Rasmus Villemoes 2018-05-08 156 {S16_MIN, -1, S16_MAX, -S16_MAX, S16_MIN, true, false, true}, 455a35a6cdb6f5 lib/test_overflow.c Rasmus Villemoes 2018-05-08 157 {-1, S16_MAX, S16_MAX-1, S16_MIN, -S16_MAX, false, false, false}, 455a35a6cdb6f5 lib/test_overflow.c Rasmus Villemoes 2018-05-08 158 {S16_MAX, -1, S16_MAX-1, S16_MIN, -S16_MAX, false, true, false}, 455a35a6cdb6f5 lib/test_overflow.c Rasmus Villemoes 2018-05-08 159 {-1, -S16_MAX, S16_MIN, S16_MAX-1, S16_MAX, false, false, false}, 455a35a6cdb6f5 lib/test_overflow.c Rasmus Villemoes 2018-05-08 160 {-S16_MAX, -1, S16_MIN, S16_MIN+2, S16_MAX, false, false, false}, 455a35a6cdb6f5 lib/test_overflow.c Rasmus Villemoes 2018-05-08 161 455a35a6cdb6f5 lib/test_overflow.c Rasmus Villemoes 2018-05-08 162 {1, S16_MIN, -S16_MAX, -S16_MAX, S16_MIN, false, true, false}, 455a35a6cdb6f5 lib/test_overflow.c Rasmus Villemoes 2018-05-08 163 {S16_MIN, 1, -S16_MAX, S16_MAX, S16_MIN, false, true, false}, 455a35a6cdb6f5 lib/test_overflow.c Rasmus Villemoes 2018-05-08 164 {1, S16_MAX, S16_MIN, S16_MIN+2, S16_MAX, true, false, false}, 455a35a6cdb6f5 lib/test_overflow.c Rasmus Villemoes 2018-05-08 165 {S16_MAX, 1, S16_MIN, S16_MAX-1, S16_MAX, true, false, false}, 455a35a6cdb6f5 lib/test_overflow.c Rasmus Villemoes 2018-05-08 166 455a35a6cdb6f5 lib/test_overflow.c Rasmus Villemoes 2018-05-08 167 {S16_MIN, S16_MIN, 0, 0, 0, true, false, true}, 455a35a6cdb6f5 lib/test_overflow.c Rasmus Villemoes 2018-05-08 168 {S16_MAX, S16_MAX, -2, 0, 1, true, false, true}, 455a35a6cdb6f5 lib/test_overflow.c Rasmus Villemoes 2018-05-08 169 }; 455a35a6cdb6f5 lib/test_overflow.c Rasmus Villemoes 2018-05-08 170 DEFINE_TEST_ARRAY(s32) = { 455a35a6cdb6f5 lib/test_overflow.c Rasmus Villemoes 2018-05-08 171 {0, 0, 0, 0, 0, false, false, false}, 455a35a6cdb6f5 lib/test_overflow.c Rasmus Villemoes 2018-05-08 172 455a35a6cdb6f5 lib/test_overflow.c Rasmus Villemoes 2018-05-08 173 {0, S32_MAX, S32_MAX, -S32_MAX, 0, false, false, false}, 455a35a6cdb6f5 lib/test_overflow.c Rasmus Villemoes 2018-05-08 174 {S32_MAX, 0, S32_MAX, S32_MAX, 0, false, false, false}, 455a35a6cdb6f5 lib/test_overflow.c Rasmus Villemoes 2018-05-08 175 {0, S32_MIN, S32_MIN, S32_MIN, 0, false, true, false}, 455a35a6cdb6f5 lib/test_overflow.c Rasmus Villemoes 2018-05-08 176 {S32_MIN, 0, S32_MIN, S32_MIN, 0, false, false, false}, 455a35a6cdb6f5 lib/test_overflow.c Rasmus Villemoes 2018-05-08 177 455a35a6cdb6f5 lib/test_overflow.c Rasmus Villemoes 2018-05-08 178 {-1, S32_MIN, S32_MAX, S32_MAX, S32_MIN, true, false, true}, 455a35a6cdb6f5 lib/test_overflow.c Rasmus Villemoes 2018-05-08 179 {S32_MIN, -1, S32_MAX, -S32_MAX, S32_MIN, true, false, true}, 455a35a6cdb6f5 lib/test_overflow.c Rasmus Villemoes 2018-05-08 180 {-1, S32_MAX, S32_MAX-1, S32_MIN, -S32_MAX, false, false, false}, 455a35a6cdb6f5 lib/test_overflow.c Rasmus Villemoes 2018-05-08 181 {S32_MAX, -1, S32_MAX-1, S32_MIN, -S32_MAX, false, true, false}, 455a35a6cdb6f5 lib/test_overflow.c Rasmus Villemoes 2018-05-08 182 {-1, -S32_MAX, S32_MIN, S32_MAX-1, S32_MAX, false, false, false}, 455a35a6cdb6f5 lib/test_overflow.c Rasmus Villemoes 2018-05-08 183 {-S32_MAX, -1, S32_MIN, S32_MIN+2, S32_MAX, false, false, false}, 455a35a6cdb6f5 lib/test_overflow.c Rasmus Villemoes 2018-05-08 184 455a35a6cdb6f5 lib/test_overflow.c Rasmus Villemoes 2018-05-08 185 {1, S32_MIN, -S32_MAX, -S32_MAX, S32_MIN, false, true, false}, 455a35a6cdb6f5 lib/test_overflow.c Rasmus Villemoes 2018-05-08 186 {S32_MIN, 1, -S32_MAX, S32_MAX, S32_MIN, false, true, false}, 455a35a6cdb6f5 lib/test_overflow.c Rasmus Villemoes 2018-05-08 187 {1, S32_MAX, S32_MIN, S32_MIN+2, S32_MAX, true, false, false}, 455a35a6cdb6f5 lib/test_overflow.c Rasmus Villemoes 2018-05-08 188 {S32_MAX, 1, S32_MIN, S32_MAX-1, S32_MAX, true, false, false}, 455a35a6cdb6f5 lib/test_overflow.c Rasmus Villemoes 2018-05-08 189 455a35a6cdb6f5 lib/test_overflow.c Rasmus Villemoes 2018-05-08 190 {S32_MIN, S32_MIN, 0, 0, 0, true, false, true}, 455a35a6cdb6f5 lib/test_overflow.c Rasmus Villemoes 2018-05-08 191 {S32_MAX, S32_MAX, -2, 0, 1, true, false, true}, 455a35a6cdb6f5 lib/test_overflow.c Rasmus Villemoes 2018-05-08 192 }; 455a35a6cdb6f5 lib/test_overflow.c Rasmus Villemoes 2018-05-08 @193 DEFINE_TEST_ARRAY(s64) = { 455a35a6cdb6f5 lib/test_overflow.c Rasmus Villemoes 2018-05-08 194 {0, 0, 0, 0, 0, false, false, false}, 455a35a6cdb6f5 lib/test_overflow.c Rasmus Villemoes 2018-05-08 195 455a35a6cdb6f5 lib/test_overflow.c Rasmus Villemoes 2018-05-08 196 {0, S64_MAX, S64_MAX, -S64_MAX, 0, false, false, false}, 455a35a6cdb6f5 lib/test_overflow.c Rasmus Villemoes 2018-05-08 197 {S64_MAX, 0, S64_MAX, S64_MAX, 0, false, false, false}, 455a35a6cdb6f5 lib/test_overflow.c Rasmus Villemoes 2018-05-08 198 {0, S64_MIN, S64_MIN, S64_MIN, 0, false, true, false}, 455a35a6cdb6f5 lib/test_overflow.c Rasmus Villemoes 2018-05-08 199 {S64_MIN, 0, S64_MIN, S64_MIN, 0, false, false, false}, 455a35a6cdb6f5 lib/test_overflow.c Rasmus Villemoes 2018-05-08 200 455a35a6cdb6f5 lib/test_overflow.c Rasmus Villemoes 2018-05-08 201 {-1, S64_MIN, S64_MAX, S64_MAX, S64_MIN, true, false, true}, 455a35a6cdb6f5 lib/test_overflow.c Rasmus Villemoes 2018-05-08 202 {S64_MIN, -1, S64_MAX, -S64_MAX, S64_MIN, true, false, true}, 455a35a6cdb6f5 lib/test_overflow.c Rasmus Villemoes 2018-05-08 203 {-1, S64_MAX, S64_MAX-1, S64_MIN, -S64_MAX, false, false, false}, 455a35a6cdb6f5 lib/test_overflow.c Rasmus Villemoes 2018-05-08 204 {S64_MAX, -1, S64_MAX-1, S64_MIN, -S64_MAX, false, true, false}, 455a35a6cdb6f5 lib/test_overflow.c Rasmus Villemoes 2018-05-08 205 {-1, -S64_MAX, S64_MIN, S64_MAX-1, S64_MAX, false, false, false}, 455a35a6cdb6f5 lib/test_overflow.c Rasmus Villemoes 2018-05-08 206 {-S64_MAX, -1, S64_MIN, S64_MIN+2, S64_MAX, false, false, false}, 455a35a6cdb6f5 lib/test_overflow.c Rasmus Villemoes 2018-05-08 207 455a35a6cdb6f5 lib/test_overflow.c Rasmus Villemoes 2018-05-08 208 {1, S64_MIN, -S64_MAX, -S64_MAX, S64_MIN, false, true, false}, 455a35a6cdb6f5 lib/test_overflow.c Rasmus Villemoes 2018-05-08 209 {S64_MIN, 1, -S64_MAX, S64_MAX, S64_MIN, false, true, false}, 455a35a6cdb6f5 lib/test_overflow.c Rasmus Villemoes 2018-05-08 210 {1, S64_MAX, S64_MIN, S64_MIN+2, S64_MAX, true, false, false}, 455a35a6cdb6f5 lib/test_overflow.c Rasmus Villemoes 2018-05-08 211 {S64_MAX, 1, S64_MIN, S64_MAX-1, S64_MAX, true, false, false}, 455a35a6cdb6f5 lib/test_overflow.c Rasmus Villemoes 2018-05-08 212 455a35a6cdb6f5 lib/test_overflow.c Rasmus Villemoes 2018-05-08 213 {S64_MIN, S64_MIN, 0, 0, 0, true, false, true}, 455a35a6cdb6f5 lib/test_overflow.c Rasmus Villemoes 2018-05-08 214 {S64_MAX, S64_MAX, -2, 0, 1, true, false, true}, 455a35a6cdb6f5 lib/test_overflow.c Rasmus Villemoes 2018-05-08 215 455a35a6cdb6f5 lib/test_overflow.c Rasmus Villemoes 2018-05-08 216 {-1, -1, -2, 0, 1, false, false, false}, 455a35a6cdb6f5 lib/test_overflow.c Rasmus Villemoes 2018-05-08 217 {-1, -128, -129, 127, 128, false, false, false}, 455a35a6cdb6f5 lib/test_overflow.c Rasmus Villemoes 2018-05-08 218 {-128, -1, -129, -127, 128, false, false, false}, 455a35a6cdb6f5 lib/test_overflow.c Rasmus Villemoes 2018-05-08 219 {0, -S64_MAX, -S64_MAX, S64_MAX, 0, false, false, false}, 455a35a6cdb6f5 lib/test_overflow.c Rasmus Villemoes 2018-05-08 220 }; 455a35a6cdb6f5 lib/test_overflow.c Rasmus Villemoes 2018-05-08 221 :::::: The code at line 96 was first introduced by commit :::::: 455a35a6cdb6f53fe9294e23301eb056f2908bd9 lib: add runtime test of check_*_overflow functions :::::: TO: Rasmus Villemoes <linux(a)rasmusvillemoes.dk&gt; :::::: CC: Kees Cook <keescook(a)chromium.org&gt; --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org