On 18.12.19 01:25, kbuild test robot wrote: > Hi Hans, > > I love your patch! Yet something to improve: > > [auto build test ERROR on s390/features] > [also build test ERROR on v5.5-rc2 next-20191217] > [if your patch is applied to the wrong git tree, please drop us a note to help > improve the system. BTW, we also suggest to use '--base' option to specify the > base tree in git format-patch, please see https://stackoverflow.com/a/37406982] > > url: https://github.com/0day-ci/linux/commits/Hans-de-Goede/s390-purgatory-Make-sure-we-fail-the-build-if-purgatory-has-missing-symbols/20191216-045305 > base: https://git.kernel.org/pub/scm/linux/kernel/git/s390/linux.git features > config: s390-randconfig-a001-20191217 (attached as .config) > compiler: s390-linux-gcc (GCC) 7.5.0 > reproduce: > wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross > chmod +x ~/bin/make.cross > # save the attached .config to linux build tree > GCC_VERSION=7.5.0 make.cross ARCH=s390 > > If you fix the issue, kindly add following tag > Reported-by: kbuild test robot <lkp@xxxxxxxxx> This actually looks like the patch is doing exactly what it should. It seems we must not build the purgatory with kasan. Will have a look > > All errors (new ones prefixed by >>): > > arch/s390/purgatory/purgatory: In function `verify_sha256_digest': >>> (.text+0x20c6): undefined reference to `__asan_report_load8_noabort' > (.text+0x20e8): undefined reference to `__asan_report_load8_noabort' > (.text+0x212a): undefined reference to `memcmp' > arch/s390/purgatory/purgatory: In function `sha256_update': > (.text+0x21e4): undefined reference to `__asan_report_load8_noabort' >>> (.text+0x22b6): undefined reference to `__asan_report_load4_noabort' >>> (.text+0x2308): undefined reference to `__asan_report_store4_noabort' > (.text+0x236e): undefined reference to `__asan_report_load4_noabort' > (.text+0x23d8): undefined reference to `__asan_report_load4_noabort' > (.text+0x2432): undefined reference to `__asan_report_load4_noabort' > (.text+0x2498): undefined reference to `__asan_report_load4_noabort' > (.text+0x24f2): undefined reference to `__asan_report_store4_noabort' > (.text+0x254c): undefined reference to `__asan_report_load4_noabort' > (.text+0x25a2): undefined reference to `__asan_report_load4_noabort' > (.text+0x25f8): undefined reference to `__asan_report_load4_noabort' > (.text+0x264e): undefined reference to `__asan_report_load4_noabort' > (.text+0x26a4): undefined reference to `__asan_report_load4_noabort' > arch/s390/purgatory/purgatory:(.text+0x26fa): more undefined references to `__asan_report_load4_noabort' follow > arch/s390/purgatory/purgatory: In function `__sha256_final': >>> sha256.c:(.text+0x4062): undefined reference to `__asan_report_load8_noabort' >>> sha256.c:(.text+0x4120): undefined reference to `__asan_report_load4_noabort' >>> sha256.c:(.text+0x416e): undefined reference to `__asan_report_store4_noabort' > arch/s390/purgatory/purgatory: In function `_GLOBAL__sub_D_65535_0_sha256_update': > sha256.c:(.text+0x4444): undefined reference to `__asan_unregister_globals' > arch/s390/purgatory/purgatory: In function `_GLOBAL__sub_I_65535_1_sha256_update': > sha256.c:(.text+0x4454): undefined reference to `__asan_register_globals' > > --- > 0-DAY kernel test infrastructure Open Source Technology Center > https://lists.01.org/hyperkitty/list/kbuild-all@xxxxxxxxxxxx Intel Corporation >