Hi Topi, Thank you for the patch! Yet something to improve: [auto build test ERROR on 2c85ebc57b3e1817b6ce1a6b703928e113a90442] url: https://github.com/0day-ci/linux/commits/Topi-Miettinen/mm-Optional-full-ASLR-for-mmap-mremap-vdso-stack-and-heap/20210104-235438 base: 2c85ebc57b3e1817b6ce1a6b703928e113a90442 config: powerpc-randconfig-s032-20210105 (attached as .config) compiler: powerpc64-linux-gcc (GCC) 9.3.0 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: v0.6.3-184-g1b896707-dirty # https://github.com/0day-ci/linux/commit/d65e085d04e2aace153b42d29d44f3711481c9ad git remote add linux-review https://github.com/0day-ci/linux git fetch --no-tags linux-review Topi-Miettinen/mm-Optional-full-ASLR-for-mmap-mremap-vdso-stack-and-heap/20210104-235438 git checkout d65e085d04e2aace153b42d29d44f3711481c9ad # save the attached .config to linux build tree COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__' ARCH=powerpc If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp@xxxxxxxxx> All errors (new ones prefixed by >>): In file included from include/linux/mman.h:5, from arch/powerpc/kernel/asm-offsets.c:21: include/linux/mm.h: In function 'can_randomize_full': >> include/linux/mm.h:2995:35: error: 'ADDR_NO_RANDOMIZE' undeclared (first use in this function); did you mean 'KERN_RANDOMIZE'? 2995 | return !(current->personality & (ADDR_NO_RANDOMIZE | ADDR_COMPAT_LAYOUT | ^~~~~~~~~~~~~~~~~ | KERN_RANDOMIZE include/linux/mm.h:2995:35: note: each undeclared identifier is reported only once for each function it appears in >> include/linux/mm.h:2995:55: error: 'ADDR_COMPAT_LAYOUT' undeclared (first use in this function) 2995 | return !(current->personality & (ADDR_NO_RANDOMIZE | ADDR_COMPAT_LAYOUT | ^~~~~~~~~~~~~~~~~~ >> include/linux/mm.h:2996:9: error: 'ADDR_LIMIT_32BIT' undeclared (first use in this function) 2996 | | ADDR_LIMIT_32BIT | ADDR_LIMIT_3GB)) | ^~~~~~~~~~~~~~~~ >> include/linux/mm.h:2996:28: error: 'ADDR_LIMIT_3GB' undeclared (first use in this function) 2996 | | ADDR_LIMIT_32BIT | ADDR_LIMIT_3GB)) | ^~~~~~~~~~~~~~ >> include/linux/mm.h:2997:36: error: implicit declaration of function 'in_32bit_syscall'; did you mean 'in_compat_syscall'? [-Werror=implicit-function-declaration] 2997 | && !(IS_ENABLED(CONFIG_64BIT) && in_32bit_syscall()) | ^~~~~~~~~~~~~~~~ | in_compat_syscall cc1: some warnings being treated as errors -- In file included from include/linux/mman.h:5, from arch/powerpc/kernel/asm-offsets.c:21: include/linux/mm.h: In function 'can_randomize_full': >> include/linux/mm.h:2995:35: error: 'ADDR_NO_RANDOMIZE' undeclared (first use in this function); did you mean 'KERN_RANDOMIZE'? 2995 | return !(current->personality & (ADDR_NO_RANDOMIZE | ADDR_COMPAT_LAYOUT | ^~~~~~~~~~~~~~~~~ | KERN_RANDOMIZE include/linux/mm.h:2995:35: note: each undeclared identifier is reported only once for each function it appears in >> include/linux/mm.h:2995:55: error: 'ADDR_COMPAT_LAYOUT' undeclared (first use in this function) 2995 | return !(current->personality & (ADDR_NO_RANDOMIZE | ADDR_COMPAT_LAYOUT | ^~~~~~~~~~~~~~~~~~ >> include/linux/mm.h:2996:9: error: 'ADDR_LIMIT_32BIT' undeclared (first use in this function) 2996 | | ADDR_LIMIT_32BIT | ADDR_LIMIT_3GB)) | ^~~~~~~~~~~~~~~~ >> include/linux/mm.h:2996:28: error: 'ADDR_LIMIT_3GB' undeclared (first use in this function) 2996 | | ADDR_LIMIT_32BIT | ADDR_LIMIT_3GB)) | ^~~~~~~~~~~~~~ >> include/linux/mm.h:2997:36: error: implicit declaration of function 'in_32bit_syscall'; did you mean 'in_compat_syscall'? [-Werror=implicit-function-declaration] 2997 | && !(IS_ENABLED(CONFIG_64BIT) && in_32bit_syscall()) | ^~~~~~~~~~~~~~~~ | in_compat_syscall cc1: some warnings being treated as errors make[2]: *** [scripts/Makefile.build:117: arch/powerpc/kernel/asm-offsets.s] Error 1 make[2]: Target '__build' not remade because of errors. make[1]: *** [Makefile:1206: prepare0] Error 2 make[1]: Target 'modules_prepare' not remade because of errors. make: *** [Makefile:185: __sub-make] Error 2 make: Target 'modules_prepare' not remade because of errors. -- scripts/genksyms/parse.y: warning: 9 shift/reduce conflicts [-Wconflicts-sr] scripts/genksyms/parse.y: warning: 5 reduce/reduce conflicts [-Wconflicts-rr] In file included from include/linux/mman.h:5, from arch/powerpc/kernel/asm-offsets.c:21: include/linux/mm.h: In function 'can_randomize_full': >> include/linux/mm.h:2995:35: error: 'ADDR_NO_RANDOMIZE' undeclared (first use in this function); did you mean 'KERN_RANDOMIZE'? 2995 | return !(current->personality & (ADDR_NO_RANDOMIZE | ADDR_COMPAT_LAYOUT | ^~~~~~~~~~~~~~~~~ | KERN_RANDOMIZE include/linux/mm.h:2995:35: note: each undeclared identifier is reported only once for each function it appears in >> include/linux/mm.h:2995:55: error: 'ADDR_COMPAT_LAYOUT' undeclared (first use in this function) 2995 | return !(current->personality & (ADDR_NO_RANDOMIZE | ADDR_COMPAT_LAYOUT | ^~~~~~~~~~~~~~~~~~ >> include/linux/mm.h:2996:9: error: 'ADDR_LIMIT_32BIT' undeclared (first use in this function) 2996 | | ADDR_LIMIT_32BIT | ADDR_LIMIT_3GB)) | ^~~~~~~~~~~~~~~~ >> include/linux/mm.h:2996:28: error: 'ADDR_LIMIT_3GB' undeclared (first use in this function) 2996 | | ADDR_LIMIT_32BIT | ADDR_LIMIT_3GB)) | ^~~~~~~~~~~~~~ >> include/linux/mm.h:2997:36: error: implicit declaration of function 'in_32bit_syscall'; did you mean 'in_compat_syscall'? [-Werror=implicit-function-declaration] 2997 | && !(IS_ENABLED(CONFIG_64BIT) && in_32bit_syscall()) | ^~~~~~~~~~~~~~~~ | in_compat_syscall cc1: some warnings being treated as errors make[2]: *** [scripts/Makefile.build:117: arch/powerpc/kernel/asm-offsets.s] Error 1 make[2]: Target '__build' not remade because of errors. make[1]: *** [Makefile:1206: prepare0] Error 2 make[1]: Target 'prepare' not remade because of errors. make: *** [Makefile:185: __sub-make] Error 2 make: Target 'prepare' not remade because of errors. vim +2995 include/linux/mm.h 2986 2987 #ifndef CONFIG_MMU 2988 #define randomize_va_space 0 2989 static inline bool can_randomize_full(void) { return false; } 2990 #else 2991 extern int randomize_va_space; 2992 static inline bool can_randomize_full(void) 2993 { 2994 /* Don't randomize 32 bit applications */ > 2995 return !(current->personality & (ADDR_NO_RANDOMIZE | ADDR_COMPAT_LAYOUT > 2996 | ADDR_LIMIT_32BIT | ADDR_LIMIT_3GB)) > 2997 && !(IS_ENABLED(CONFIG_64BIT) && in_32bit_syscall()) 2998 && randomize_va_space == 3; 2999 } 3000 #endif 3001 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@xxxxxxxxxxxx
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