From: kernel test robot <lkp@intel.com>
To: kbuild-all@lists.01.org
Subject: ld.lld: error: undefined symbol: __ubsan_handle_load_invalid_value
Date: Fri, 10 Jul 2020 20:09:19 +0800 [thread overview]
Message-ID: <202007102015.bAwq22ea%lkp@intel.com> (raw)
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CC: linux-kernel(a)vger.kernel.org
TO: Kees Cook <keescook@chromium.org>
CC: Andrew Morton <akpm@linux-foundation.org>
CC: Linux Memory Management List <linux-mm@kvack.org>
tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head: 42f82040ee66db13525dc6f14b8559890b2f4c1c
commit: 8d58f222e85f01da0c0e1fc1e77986c86de889e2 ubsan: disable UBSAN_ALIGNMENT under COMPILE_TEST
date: 9 weeks ago
config: mips-randconfig-r022-20200710 (attached as .config)
compiler: clang version 11.0.0 (https://github.com/llvm/llvm-project 02946de3802d3bc65bc9f2eb9b8d4969b5a7add8)
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 mips cross compiling tool for clang build
# apt-get install binutils-mips-linux-gnu
git checkout 8d58f222e85f01da0c0e1fc1e77986c86de889e2
# save the attached .config to linux build tree
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross ARCH=mips
If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp@intel.com>
All errors (new ones prefixed by >>):
>> ld.lld: error: undefined symbol: __ubsan_handle_load_invalid_value
>>> referenced by xz_dec_stream.c:775 (arch/mips/boot/compressed/../../../../lib/xz/xz_dec_stream.c:775)
>>> arch/mips/boot/compressed/decompress.o:(decompress_kernel)
>>> referenced by xz_dec_lzma2.c:979 (arch/mips/boot/compressed/../../../../lib/xz/xz_dec_lzma2.c:979)
>>> arch/mips/boot/compressed/decompress.o:(xz_dec_lzma2_run)
>>> referenced by xz_dec_lzma2.c:997 (arch/mips/boot/compressed/../../../../lib/xz/xz_dec_lzma2.c:997)
>>> arch/mips/boot/compressed/decompress.o:(xz_dec_lzma2_run)
--
>> ld.lld: error: undefined symbol: __ubsan_handle_out_of_bounds
>>> referenced by xz_dec_stream.c:539 (arch/mips/boot/compressed/../../../../lib/xz/xz_dec_stream.c:539)
>>> arch/mips/boot/compressed/decompress.o:(dec_main)
>>> referenced by xz_dec_stream.c:459 (arch/mips/boot/compressed/../../../../lib/xz/xz_dec_stream.c:459)
>>> arch/mips/boot/compressed/decompress.o:(dec_main)
>>> referenced by xz_dec_stream.c:522 (arch/mips/boot/compressed/../../../../lib/xz/xz_dec_stream.c:522)
>>> arch/mips/boot/compressed/decompress.o:(dec_main)
>>> referenced 19 more times
--
>> ld.lld: error: undefined symbol: __ubsan_handle_shift_out_of_bounds
>>> referenced by xz_dec_stream.c:352 (arch/mips/boot/compressed/../../../../lib/xz/xz_dec_stream.c:352)
>>> arch/mips/boot/compressed/decompress.o:(crc32_validate)
>>> referenced by xz_dec_stream.c:187 (arch/mips/boot/compressed/../../../../lib/xz/xz_dec_stream.c:187)
>>> arch/mips/boot/compressed/decompress.o:(dec_vli)
>>> referenced by xz_dec_lzma2.c:810 (arch/mips/boot/compressed/../../../../lib/xz/xz_dec_lzma2.c:810)
>>> arch/mips/boot/compressed/decompress.o:(xz_dec_lzma2_run)
>>> referenced 9 more times
---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all(a)lists.01.org
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next reply other threads:[~2020-07-10 12:09 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-07-10 12:09 kernel test robot [this message]
-- strict thread matches above, loose matches on Subject: below --
2020-12-28 10:26 ld.lld: error: undefined symbol: __ubsan_handle_load_invalid_value kernel test robot
2020-12-28 10:26 ` kernel test robot
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