[sashal-linux-stable:queue-4.14 38/79] Warning: ffffffff819d7472: 0f ff 48 8d ud0 -0x73(%rax), %ecx

[sashal-linux-stable:queue-4.14 38/79] Warning: ffffffff819d7472: 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:   7a7ddea1b419e20931152e388252c661b6fca95c
commit: 405e6328081c15dd441b6671fa0d38e6b148c0a7 [38/79] net: ipv6_stub: use ip6_dst_lookup_flow instead of ip6_dst_lookup
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 405e6328081c15dd441b6671fa0d38e6b148c0a7
        # 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: ffffffff819d7472: 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>:ffffffff819d6c20
--
>> Warning: ffffffff819d74a6: 0f ff 49 8d ud0 -0x73(%rcx),%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>:ffffffff819d6c20
--
>> Warning: ffffffff819d7523: 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>:ffffffff819d6c20
--
>> Warning: ffffffff819d753d: 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>:ffffffff819d6c20
--
>> Warning: ffffffff819d75c4: 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>:ffffffff819d6c20
--
>> Warning: ffffffff819d799f: 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>:ffffffff819d6c20
--
>> Warning: ffffffff819d79d5: 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>:ffffffff819d6c20
--
>> Warning: ffffffff819d79e7: 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>:ffffffff819d6c20
--
>> Warning: ffffffff819d7a41: 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>:ffffffff819d6c20
--
>> Warning: ffffffff819d7a47: 0f ff 49 8d ud0 -0x73(%rcx),%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>:ffffffff819d6c20
--
>> Warning: ffffffff819d7a90: 0f ff 49 8d ud0 -0x73(%rcx),%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>:ffffffff819d6c20
..

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

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