tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master head: ee1703cda8dc777e937dec172da55beaf1a74919 commit: 9fd5a04d8efcbf511286dd36c46fd70a645b167d exit: Remove calls of do_exit after noreturn versions of die date: 4 weeks ago config: xtensa-randconfig-s032-20211115 (attached as .config) compiler: xtensa-linux-gcc (GCC) 11.2.0 reproduce: wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross # apt-get install sparse # sparse version: v0.6.4-dirty # https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit... git remote add linus https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git git fetch --no-tags linus master git checkout 9fd5a04d8efcbf511286dd36c46fd70a645b167d # save the attached .config to linux build tree COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-11.2.0 make.cross C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__' ARCH=xtensa If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <yujie.liu(a)intel.com&gt; sparse warnings: (new ones prefixed by >>) vim +530 arch/xtensa/kernel/traps.c 5a0015d62668e64 Chris Zankel 2005-06-23 529 9fd5a04d8efcbf5 Eric W. Biederman 2021-10-20 @530 void __noreturn die(const char * str, struct pt_regs * regs, long err) --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org