tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master head: 5c8fe583cce542aa0b84adc939ce85293de36e5e commit: c637693b20da8706b7f48d96882c9c80ae935151 ubsan: remove UBSAN_MISC in favor of individual options date: 12 days ago config: mips-randconfig-r005-20201227 (attached as .config) compiler: clang version 12.0.0 (https://github.com/llvm/llvm-project cee1e7d14f4628d6174b33640d502bff3b54ae45) 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/torvalds/linux.git/commit/?id=c637693b20da8706b7f48d96882c9c80ae935151 git remote add linus https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git git fetch --no-tags linus master git checkout c637693b20da8706b7f48d96882c9c80ae935151 # save the attached .config to linux build tree COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross ARCH=mips
If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <l...@intel.com> All error/warnings (new ones prefixed by >>, old ones prefixed by <<): >> WARNING: modpost: vmlinux.o(.text+0x27da8): Section mismatch in reference >> from the function r4k_cache_init() to the function >> .init.text:loongson2_sc_init() The function r4k_cache_init() references the function __init loongson2_sc_init(). This is often because r4k_cache_init lacks a __init annotation or the annotation of loongson2_sc_init is wrong. -- >> ld.lld: error: undefined symbol: __ubsan_handle_load_invalid_value >>> referenced by decompress.c >>> arch/mips/boot/compressed/decompress.o:(decompress_kernel) >>> referenced by decompress.c >>> arch/mips/boot/compressed/decompress.o:(xz_dec_lzma2_run) >>> referenced by decompress.c >>> arch/mips/boot/compressed/decompress.o:(xz_dec_lzma2_run) -- >> ld.lld: error: undefined symbol: __ubsan_handle_out_of_bounds >>> referenced by decompress.c >>> arch/mips/boot/compressed/decompress.o:(dec_main) >>> referenced by decompress.c >>> arch/mips/boot/compressed/decompress.o:(dec_main) >>> referenced by decompress.c >>> arch/mips/boot/compressed/decompress.o:(dec_main) >>> referenced 19 more times -- >> ld.lld: error: undefined symbol: __ubsan_handle_shift_out_of_bounds >>> referenced by decompress.c >>> arch/mips/boot/compressed/decompress.o:(crc32_validate) >>> referenced by decompress.c >>> arch/mips/boot/compressed/decompress.o:(dec_vli) >>> referenced by decompress.c >>> arch/mips/boot/compressed/decompress.o:(xz_dec_lzma2_run) >>> referenced 9 more times --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-...@lists.01.org
.config.gz
Description: application/gzip
