[sashal-linux-stable:queue-4.14 4/69] Warning: ffffffff819d74d3: 0f ff 48 8d ud0 -0x73(%rax), %ecx

[sashal-linux-stable:queue-4.14 4/69] Warning: ffffffff819d74d3: 0f ff 48 8d ud0 -0x73(%rax), %ecx

[kbuild test robot]

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tree:   https://git.kernel.org/pub/scm/linux/kernel/git/sashal/linux-stable.git queue-4.14
head:   1226096af87404eec35f35026b835e9272c1b5b3
commit: 63da9ec3146a9a7b9ea0da8fcfc0e638807e027d [4/69] net: macsec: preserve ingress frame ordering
config: x86_64-randconfig-a013-20200517 (attached as .config)
compiler: clang version 11.0.0 (https://github.com/llvm/llvm-project 135b877874fae96b4372c8a3fbfaa8ff44ff86e3)
reproduce:
        wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
        chmod +x ~/bin/make.cross
        # install x86_64 cross compiling tool for clang build
        # apt-get install binutils-x86-64-linux-gnu
        git checkout 63da9ec3146a9a7b9ea0da8fcfc0e638807e027d
        # save the attached .config to linux build tree
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross ARCH=x86_64 

If you fix the issue, kindly add following tag as appropriate
Reported-by: kbuild test robot <lkp@intel.com>

All warnings (new ones prefixed by >>, old ones prefixed by <<):

>> Warning: ffffffff819d74d3: 0f ff 48 8d ud0 -0x73(%rax),%ecx
Warning: objdump says 4 bytes, but insn_get_length() says 2
Warning: arch/x86/tools/test_get_len found difference at <memcpy_page_flushcache>:ffffffff819d6b50
--
>> Warning: ffffffff819d776d: 0f ff 48 8d ud0 -0x73(%rax),%ecx
Warning: objdump says 4 bytes, but insn_get_length() says 2
Warning: arch/x86/tools/test_get_len found difference at <memcpy_page_flushcache>:ffffffff819d6b50
--
>> Warning: ffffffff819d77b5: 0f ff 48 8d ud0 -0x73(%rax),%ecx
Warning: objdump says 4 bytes, but insn_get_length() says 2
Warning: arch/x86/tools/test_get_len found difference at <memcpy_page_flushcache>:ffffffff819d6b50
--
>> Warning: ffffffff819d8cd8: 0f ff 48 8d ud0 -0x73(%rax),%ecx
Warning: objdump says 4 bytes, but insn_get_length() says 2
Warning: arch/x86/tools/test_get_len found difference at <memcpy_page_flushcache>:ffffffff819d6b50

---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all(a)lists.01.org

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