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From: kernel test robot <lkp@intel.com>
To: Marco Elver <elver@google.com>
Cc: llvm@lists.linux.dev, oe-kbuild-all@lists.linux.dev,
	Ammar Faizi <ammarfaizi2@gnuweeb.org>,
	GNU/Weeb Mailing List <gwml@vger.gnuweeb.org>,
	Andrew Morton <akpm@linux-foundation.org>,
	Linux Memory Management List <linux-mm@kvack.org>,
	Andrey Konovalov <andreyknvl@gmail.com>
Subject: [ammarfaizi2-block:akpm/mm/mm-unstable 13/64] ld.lld: error: undefined symbol: memcpy
Date: Mon, 27 Feb 2023 14:02:35 +0800	[thread overview]
Message-ID: <202302271348.U5lvmo0S-lkp@intel.com> (raw)

tree:   https://github.com/ammarfaizi2/linux-block akpm/mm/mm-unstable
head:   8ed02c625a2b76ca52e16ca6a4fcf57183ea72ed
commit: 07e0a7128168f7174b55a50fc154f5a8810dc23c [13/64] kasan: treat meminstrinsic as builtins in uninstrumented files
config: powerpc-randconfig-r022-20230226 (https://download.01.org/0day-ci/archive/20230227/202302271348.U5lvmo0S-lkp@intel.com/config)
compiler: clang version 17.0.0 (https://github.com/llvm/llvm-project db89896bbbd2251fff457699635acbbedeead27f)
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://github.com/ammarfaizi2/linux-block/commit/07e0a7128168f7174b55a50fc154f5a8810dc23c
        git remote add ammarfaizi2-block https://github.com/ammarfaizi2/linux-block
        git fetch --no-tags ammarfaizi2-block akpm/mm/mm-unstable
        git checkout 07e0a7128168f7174b55a50fc154f5a8810dc23c
        # 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@intel.com>
| Link: https://lore.kernel.org/oe-kbuild-all/202302271348.U5lvmo0S-lkp@intel.com/

All errors (new ones prefixed by >>):

>> ld.lld: error: undefined symbol: memcpy
   >>> referenced by nonstdio.c
   >>>               arch/powerpc/xmon/nonstdio.o:(xmon_write) in archive vmlinux.a
   >>> referenced by xmon.c
   >>>               arch/powerpc/xmon/xmon.o:(prregs) in archive vmlinux.a
   >>> referenced by alarmtimer.c
   >>>               kernel/time/alarmtimer.o:(alarmtimer_suspend) in archive vmlinux.a
   >>> referenced 74 more times
--
>> ld.lld: error: undefined symbol: memset
   >>> referenced by kasan_test.c
   >>>               mm/kasan/kasan_test.o:(kmalloc_oob_in_memset) in archive vmlinux.a
   >>> referenced by kasan_test.c
   >>>               mm/kasan/kasan_test.o:(kmalloc_oob_memset_2) in archive vmlinux.a
   >>> referenced by kasan_test.c
   >>>               mm/kasan/kasan_test.o:(kmalloc_oob_memset_4) in archive vmlinux.a
   >>> referenced 10 more times

-- 
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests

                 reply	other threads:[~2023-02-27  6:03 UTC|newest]

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