tree: https://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git x86/cpu head: 301cddc21a157a3072d789a3097857202e550a24 commit: a89dfde3dc3c2dbf56910af75e2d8b11ec5308f6 [2/3] x86: Remove dynamic NOP selection compiler: gcc-9 (Debian 9.3.0-22) 9.3.0
If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <[email protected]> cppcheck possible warnings: (new ones prefixed by >>, may not real problems) >> arch/x86/kernel/alternative.c:96:10: warning: Undefined behaviour, pointer >> arithmetic 'x86nops+10' is out of bounds. [pointerOutOfBounds] x86nops + 1 + 2 + 3 + 4, ^ arch/x86/kernel/alternative.c:97:10: warning: Undefined behaviour, pointer arithmetic 'x86nops+15' is out of bounds. [pointerOutOfBounds] x86nops + 1 + 2 + 3 + 4 + 5, ^ arch/x86/kernel/alternative.c:98:10: warning: Undefined behaviour, pointer arithmetic 'x86nops+21' is out of bounds. [pointerOutOfBounds] x86nops + 1 + 2 + 3 + 4 + 5 + 6, ^ arch/x86/kernel/alternative.c:99:10: warning: Undefined behaviour, pointer arithmetic 'x86nops+28' is out of bounds. [pointerOutOfBounds] x86nops + 1 + 2 + 3 + 4 + 5 + 6 + 7, ^ >> arch/x86/kernel/ftrace.c:304:7: warning: union member >> 'ftrace_op_code_union::code' is never used. [unusedStructMember] char code[OP_REF_SIZE]; ^ vim +96 arch/x86/kernel/alternative.c 88 89 const unsigned char * const x86_nops[ASM_NOP_MAX+1] = 90 { 91 NULL, 92 x86nops, 93 x86nops + 1, 94 x86nops + 1 + 2, 95 x86nops + 1 + 2 + 3, > 96 x86nops + 1 + 2 + 3 + 4, 97 x86nops + 1 + 2 + 3 + 4 + 5, 98 x86nops + 1 + 2 + 3 + 4 + 5 + 6, 99 x86nops + 1 + 2 + 3 + 4 + 5 + 6 + 7, 100 }; 101 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/[email protected]
