tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master head: e1ae4b0be15891faf46d390e9f3dc9bd71a8cae1 commit: a307a4ce9ecd2e23c71318201330d9d648b3f818 MIPS: Loongson64: Add KASLR support date: 8 weeks ago config: mips-randconfig-r004-20210124 (attached as .config) compiler: mips64el-linux-gcc (GCC) 9.3.0 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 # https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=a307a4ce9ecd2e23c71318201330d9d648b3f818 git remote add linus https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git git fetch --no-tags linus master git checkout a307a4ce9ecd2e23c71318201330d9d648b3f818 # save the attached .config to linux build tree COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross ARCH=mips
If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <l...@intel.com> All errors (new ones prefixed by >>): kernel/kcov.c: In function 'canonicalize_ip': >> kernel/kcov.c:180:8: error: implicit declaration of function 'kaslr_offset' >> [-Werror=implicit-function-declaration] 180 | ip -= kaslr_offset(); | ^~~~~~~~~~~~ kernel/kcov.c: At top level: kernel/kcov.c:189:14: warning: no previous prototype for '__sanitizer_cov_trace_pc' [-Wmissing-prototypes] 189 | void notrace __sanitizer_cov_trace_pc(void) | ^~~~~~~~~~~~~~~~~~~~~~~~ cc1: some warnings being treated as errors vim +/kaslr_offset +180 kernel/kcov.c ded97d2c2b2c5f1d Victor Chibotaru 2017-11-17 176 903e8ff86753e6f3 Anders Roxell 2018-11-30 177 static notrace unsigned long canonicalize_ip(unsigned long ip) ded97d2c2b2c5f1d Victor Chibotaru 2017-11-17 178 { ded97d2c2b2c5f1d Victor Chibotaru 2017-11-17 179 #ifdef CONFIG_RANDOMIZE_BASE ded97d2c2b2c5f1d Victor Chibotaru 2017-11-17 @180 ip -= kaslr_offset(); ded97d2c2b2c5f1d Victor Chibotaru 2017-11-17 181 #endif ded97d2c2b2c5f1d Victor Chibotaru 2017-11-17 182 return ip; ded97d2c2b2c5f1d Victor Chibotaru 2017-11-17 183 } ded97d2c2b2c5f1d Victor Chibotaru 2017-11-17 184 :::::: The code at line 180 was first introduced by commit :::::: ded97d2c2b2c5f1dcced0bc57133f7753b037dfc kcov: support comparison operands collection :::::: TO: Victor Chibotaru <tch...@google.com> :::::: CC: Linus Torvalds <torva...@linux-foundation.org> --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-...@lists.01.org
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