On Wed, 8 Mar 2023 at 22:07, Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx> wrote: > > On Thu, 9 Mar 2023 05:01:04 +0800 kernel test robot <lkp@xxxxxxxxx> wrote: > > > tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master > > head: 63355b9884b3d1677de6bd1517cd2b8a9bf53978 > > commit: 36be5cba99f6f9984a9a9f0454f95a38f4184d3e kasan: treat meminstrinsic as builtins in uninstrumented files > > date: 6 days ago > > config: powerpc-randconfig-r036-20230305 (https://download.01.org/0day-ci/archive/20230309/202303090422.ss2Hbm4f-lkp@xxxxxxxxx/config) > > compiler: clang version 17.0.0 (https://github.com/llvm/llvm-project 67409911353323ca5edf2049ef0df54132fa1ca7) > > 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 > > # install powerpc cross compiling tool for clang build > > # apt-get install binutils-powerpc-linux-gnu > > # https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=36be5cba99f6f9984a9a9f0454f95a38f4184d3e > > git remote add linus https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git > > git fetch --no-tags linus master > > git checkout 36be5cba99f6f9984a9a9f0454f95a38f4184d3e > > # save the config file > > mkdir build_dir && cp config build_dir/.config > > COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=powerpc olddefconfig > > COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=powerpc SHELL=/bin/bash > > > > If you fix the issue, kindly add following tag where applicable > > | Reported-by: kernel test robot <lkp@xxxxxxxxx> > > | Link: https://lore.kernel.org/oe-kbuild-all/202303090422.ss2Hbm4f-lkp@xxxxxxxxx/ > > > > All errors (new ones prefixed by >>): > > > > >> ld.lld: error: undefined symbol: memcpy > > >>> referenced by xmon.c:1896 (arch/powerpc/xmon/xmon.c:1896) > > >>> arch/powerpc/xmon/xmon.o:(prregs) in archive vmlinux.a > > >>> referenced by zstd_compress.c:4814 (lib/zstd/compress/zstd_compress.c:4814) > > >>> lib/zstd/compress/zstd_compress.o:(ZSTD_createCDict_advanced2) in archive vmlinux.a > > >>> referenced by zstd_compress.c:4910 (lib/zstd/compress/zstd_compress.c:4910) > > >>> lib/zstd/compress/zstd_compress.o:(ZSTD_initStaticCDict) in archive vmlinux.a > > >>> referenced 5 more times > > -- > > >> ld.lld: error: undefined symbol: memset > > >>> referenced by slab_common.c:579 (mm/slab_common.c:579) > > >>> mm/slab_common.o:(kmem_dump_obj) in archive vmlinux.a > > >>> referenced by kasan_test.c:558 (mm/kasan/kasan_test.c:558) > > >>> mm/kasan/kasan_test.o:(kmalloc_oob_in_memset) in archive vmlinux.a > > >>> referenced by kasan_test.c:505 (mm/kasan/kasan_test.c:505) > > >>> mm/kasan/kasan_test.o:(kmalloc_oob_memset_2) in archive vmlinux.a > > >>> referenced 10 more times > > > > Will this fix? I think this patch got lost: https://lkml.kernel.org/r/20230227094726.3833247-1-elver@xxxxxxxxxx By the looks of it 36be5cba99f6f9984a9a9f0454f95a38f4184d3e in mainline doesn't have any of the powerpc bits. Thanks, -- Marco
