On Fri 30-06-17 13:57:18, Michal Hocko wrote: > On Fri 30-06-17 19:45:31, Wu Fengguang wrote: > > tree: https://git.kernel.org/pub/scm/linux/kernel/git/mhocko/mm.git since-4.11 > > head: 7398359c52bfc0e6188552bc391c717910db1a22 > > commit: a76bbabc83c87148e249810efba03a1b7a5952d3 [538/546] x86: ascii armor the x86_64 boot init stack canary > > config: x86_64-randconfig-x010-201726 (attached as .config) > > compiler: gcc-6 (Debian 6.2.0-3) 6.2.0 20160901 > > reproduce: > > git checkout a76bbabc83c87148e249810efba03a1b7a5952d3 > > # save the attached .config to linux build tree > > make ARCH=x86_64 > > > > All errors (new ones prefixed by >>): > > > > In file included from include/linux/stackprotector.h:9:0, > > from arch/x86/kernel/process.c:22: > > arch/x86/include/asm/stackprotector.h: In function 'boot_init_stack_canary': > > >> arch/x86/include/asm/stackprotector.h:77:12: error: 'CANARY_MASK' undeclared (first use in this function) > > canary &= CANARY_MASK; > > ^~~~~~~~~~~ > > My fault. I've screwed applying > randomstackprotect-introduce-get_random_canary-function.patch. Will fix > that up and update my mmotm git tree. Sorry about that! My build test batter hasn't caught it because all my configs use CONFIG_CC_STACKPROTECTOR_NONE=y and allyesconfig seems to use the same. I have added a config which enforces CONFIG_CC_STACKPROTECTOR=y to the tested configs. -- Michal Hocko SUSE Labs -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@xxxxxxxxx. For more info on Linux MM, see: http://www.linux-mm.org/ . Don't email: <a href=mailto:"dont@xxxxxxxxx"> email@xxxxxxxxx </a>