tree:   https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git 
master
head:   bfe91da29bfad9941d5d703d45e29f0812a20724
commit: 8d58f222e85f01da0c0e1fc1e77986c86de889e2 ubsan: disable UBSAN_ALIGNMENT 
under COMPILE_TEST
date:   9 weeks ago
config: mips-randconfig-r034-20200707 (attached as .config)
compiler: mipsel-linux-gcc (GCC) 9.3.0
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
        git checkout 8d58f222e85f01da0c0e1fc1e77986c86de889e2
        # save the attached .config to linux build tree
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross 
ARCH=mips 

If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <[email protected]>

All errors (new ones prefixed by >>):

   mipsel-linux-ld: arch/mips/boot/compressed/decompress.o: in function 
`xz_crc32':
>> arch/mips/boot/compressed/../../../../lib/xz/xz_crc32.c:54: undefined 
>> reference to `__ubsan_handle_type_mismatch_v1'
   mipsel-linux-ld: arch/mips/boot/compressed/decompress.o: in function 
`lzma_len':
   arch/mips/boot/compressed/../../../../lib/xz/xz_dec_lzma2.c:626: undefined 
reference to `__ubsan_handle_out_of_bounds'
   mipsel-linux-ld: 
arch/mips/boot/compressed/../../../../lib/xz/xz_dec_lzma2.c:631: undefined 
reference to `__ubsan_handle_out_of_bounds'
   mipsel-linux-ld: arch/mips/boot/compressed/decompress.o: in function 
`dec_vli':
   arch/mips/boot/compressed/../../../../lib/xz/xz_dec_stream.c:187: undefined 
reference to `__ubsan_handle_shift_out_of_bounds'
   mipsel-linux-ld: arch/mips/boot/compressed/decompress.o: in function 
`lzma_main':
   arch/mips/boot/compressed/../../../../lib/xz/xz_dec_lzma2.c:740: undefined 
reference to `__ubsan_handle_out_of_bounds'
   mipsel-linux-ld: 
arch/mips/boot/compressed/../../../../lib/xz/xz_dec_lzma2.c:741: undefined 
reference to `__ubsan_handle_out_of_bounds'
   mipsel-linux-ld: arch/mips/boot/compressed/decompress.o: in function 
`lzma_literal_probs':
   arch/mips/boot/compressed/../../../../lib/xz/xz_dec_lzma2.c:575: undefined 
reference to `__ubsan_handle_shift_out_of_bounds'
   mipsel-linux-ld: 
arch/mips/boot/compressed/../../../../lib/xz/xz_dec_lzma2.c:576: undefined 
reference to `__ubsan_handle_shift_out_of_bounds'
   mipsel-linux-ld: 
arch/mips/boot/compressed/../../../../lib/xz/xz_dec_lzma2.c:577: undefined 
reference to `__ubsan_handle_out_of_bounds'
   mipsel-linux-ld: arch/mips/boot/compressed/decompress.o: in function 
`lzma_main':
   arch/mips/boot/compressed/../../../../lib/xz/xz_dec_lzma2.c:744: undefined 
reference to `__ubsan_handle_out_of_bounds'
   mipsel-linux-ld: arch/mips/boot/compressed/decompress.o: in function 
`lzma_match':
   arch/mips/boot/compressed/../../../../lib/xz/xz_dec_lzma2.c:660: undefined 
reference to `__ubsan_handle_out_of_bounds'
   mipsel-linux-ld: 
arch/mips/boot/compressed/../../../../lib/xz/xz_dec_lzma2.c:670: undefined 
reference to `__ubsan_handle_shift_out_of_bounds'
   mipsel-linux-ld: arch/mips/boot/compressed/decompress.o: in function 
`rc_bittree_reverse':
   arch/mips/boot/compressed/../../../../lib/xz/xz_dec_lzma2.c:545: undefined 
reference to `__ubsan_handle_shift_out_of_bounds'
   mipsel-linux-ld: arch/mips/boot/compressed/decompress.o: in function 
`lzma_rep_match':
   arch/mips/boot/compressed/../../../../lib/xz/xz_dec_lzma2.c:692: undefined 
reference to `__ubsan_handle_out_of_bounds'
   mipsel-linux-ld: 
arch/mips/boot/compressed/../../../../lib/xz/xz_dec_lzma2.c:693: undefined 
reference to `__ubsan_handle_out_of_bounds'
   mipsel-linux-ld: 
arch/mips/boot/compressed/../../../../lib/xz/xz_dec_lzma2.c:694: undefined 
reference to `__ubsan_handle_out_of_bounds'
   mipsel-linux-ld: 
arch/mips/boot/compressed/../../../../lib/xz/xz_dec_lzma2.c:700: undefined 
reference to `__ubsan_handle_out_of_bounds'
   mipsel-linux-ld: 
arch/mips/boot/compressed/../../../../lib/xz/xz_dec_lzma2.c:703: undefined 
reference to `__ubsan_handle_out_of_bounds'
   mipsel-linux-ld: arch/mips/boot/compressed/decompress.o: in function 
`crc32_validate':
   arch/mips/boot/compressed/../../../../lib/xz/xz_dec_stream.c:352: undefined 
reference to `__ubsan_handle_shift_out_of_bounds'
   mipsel-linux-ld: arch/mips/boot/compressed/decompress.o: in function 
`xz_dec_lzma2_run':
   arch/mips/boot/compressed/../../../../lib/xz/xz_dec_lzma2.c:979: undefined 
reference to `__ubsan_handle_load_invalid_value'
   mipsel-linux-ld: 
arch/mips/boot/compressed/../../../../lib/xz/xz_dec_lzma2.c:997: undefined 
reference to `__ubsan_handle_load_invalid_value'
   mipsel-linux-ld: arch/mips/boot/compressed/decompress.o: in function `memeq':
>> arch/mips/boot/compressed/../../../../lib/decompress_unxz.c:184: undefined 
>> reference to `__ubsan_handle_type_mismatch_v1'
   mipsel-linux-ld: arch/mips/boot/compressed/decompress.o: in function 
`xz_crc32':
>> arch/mips/boot/compressed/../../../../lib/xz/xz_crc32.c:54: undefined 
>> reference to `__ubsan_handle_type_mismatch_v1'
   mipsel-linux-ld: arch/mips/boot/compressed/decompress.o: in function 
`dec_block_header':
   arch/mips/boot/compressed/../../../../lib/xz/xz_dec_stream.c:522: undefined 
reference to `__ubsan_handle_out_of_bounds'
   mipsel-linux-ld: 
arch/mips/boot/compressed/../../../../lib/xz/xz_dec_stream.c:526: undefined 
reference to `__ubsan_handle_out_of_bounds'
   mipsel-linux-ld: 
arch/mips/boot/compressed/../../../../lib/xz/xz_dec_stream.c:533: undefined 
reference to `__ubsan_handle_out_of_bounds'
   mipsel-linux-ld: 
arch/mips/boot/compressed/../../../../lib/xz/xz_dec_stream.c:539: undefined 
reference to `__ubsan_handle_out_of_bounds'
   mipsel-linux-ld: arch/mips/boot/compressed/decompress.o: in function 
`xz_crc32':
>> arch/mips/boot/compressed/../../../../lib/xz/xz_crc32.c:54: undefined 
>> reference to `__ubsan_handle_type_mismatch_v1'
>> mipsel-linux-ld: arch/mips/boot/compressed/../../../../lib/xz/xz_crc32.c:54: 
>> undefined reference to `__ubsan_handle_type_mismatch_v1'
>> mipsel-linux-ld: arch/mips/boot/compressed/../../../../lib/xz/xz_crc32.c:54: 
>> undefined reference to `__ubsan_handle_type_mismatch_v1'
>> mipsel-linux-ld: arch/mips/boot/compressed/../../../../lib/xz/xz_crc32.c:54: 
>> undefined reference to `__ubsan_handle_type_mismatch_v1'
   mipsel-linux-ld: arch/mips/boot/compressed/decompress.o: in function 
`xz_dec_run':
   arch/mips/boot/compressed/../../../../lib/xz/xz_dec_stream.c:775: undefined 
reference to `__ubsan_handle_load_invalid_value'
   mipsel-linux-ld: arch/mips/boot/compressed/decompress.o: in function 
`xz_crc32':
>> arch/mips/boot/compressed/../../../../lib/xz/xz_crc32.c:54: undefined 
>> reference to `__ubsan_handle_type_mismatch_v1'
>> mipsel-linux-ld: arch/mips/boot/compressed/../../../../lib/xz/xz_crc32.c:54: 
>> undefined reference to `__ubsan_handle_type_mismatch_v1'
   mipsel-linux-ld: arch/mips/boot/compressed/decompress.o: in function 
`xz_crc32_init':
   arch/mips/boot/compressed/../../../../lib/xz/xz_crc32.c:43: undefined 
reference to `__ubsan_handle_out_of_bounds'
   mipsel-linux-ld: arch/mips/boot/compressed/../../../../lib/xz/xz_crc32.c:43: 
undefined reference to `__ubsan_handle_type_mismatch_v1'
   mipsel-linux-ld: arch/mips/boot/compressed/ashldi3.o: in function 
`__ashldi3':
   arch/mips/boot/compressed/ashldi3.c:22: undefined reference to 
`__ubsan_handle_shift_out_of_bounds'
   mipsel-linux-ld: arch/mips/boot/compressed/ashldi3.c:24: undefined reference 
to `__ubsan_handle_shift_out_of_bounds'
   mipsel-linux-ld: arch/mips/boot/compressed/ashldi3.c:26: undefined reference 
to `__ubsan_handle_shift_out_of_bounds'
   mipsel-linux-ld: arch/mips/boot/compressed/ashldi3.c:27: undefined reference 
to `__ubsan_handle_shift_out_of_bounds'

vim +54 arch/mips/boot/compressed/../../../../lib/xz/xz_crc32.c

24fa0402a9b6a5 Lasse Collin 2011-01-12  48  
24fa0402a9b6a5 Lasse Collin 2011-01-12  49  XZ_EXTERN uint32_t xz_crc32(const 
uint8_t *buf, size_t size, uint32_t crc)
24fa0402a9b6a5 Lasse Collin 2011-01-12  50  {
24fa0402a9b6a5 Lasse Collin 2011-01-12  51      crc = ~crc;
24fa0402a9b6a5 Lasse Collin 2011-01-12  52  
24fa0402a9b6a5 Lasse Collin 2011-01-12  53      while (size != 0) {
24fa0402a9b6a5 Lasse Collin 2011-01-12 @54              crc = 
xz_crc32_table[*buf++ ^ (crc & 0xFF)] ^ (crc >> 8);

:::::: The code at line 54 was first introduced by commit
:::::: 24fa0402a9b6a537e87e38341e78b7da86486846 decompressors: add XZ 
decompressor module

:::::: TO: Lasse Collin <[email protected]>
:::::: CC: Linus Torvalds <[email protected]>

---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/[email protected]

Attachment: .config.gz
Description: application/gzip

Reply via email to