powerpc-linux-ld: warning: orphan section `.bss..Lubsan_data757' from `drivers/cxl/core/mbox.o' being placed in section `.bss..Lubsan_data757'

[kernel test robot]

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head:   9b62e02e63363f5678d5598ee7372064301587f7
commit: 6aec00139d3a83e2394d4bcb0084e872b4036e8f cxl/core: Add region info to cxl_general_media and cxl_dram events
date:   4 weeks ago
config: powerpc-randconfig-r001-20220109 (https://download.01.org/0day-ci/archive/20240526/202405261005.ijPG0W0y-lkp@xxxxxxxxx/config)
compiler: powerpc-linux-gcc (GCC) 13.2.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20240526/202405261005.ijPG0W0y-lkp@xxxxxxxxx/reproduce)

If you fix the issue in a separate patch/commit (i.e. not just a new version of
the same patch/commit), kindly add following tags
| Reported-by: kernel test robot <lkp@xxxxxxxxx>
| Closes: https://lore.kernel.org/oe-kbuild-all/202405261005.ijPG0W0y-lkp@xxxxxxxxx/

All warnings (new ones prefixed by >>):

   powerpc-linux-ld: warning: orphan section `.bss..Lubsan_data770' from `kernel/ptrace.o' being placed in section `.bss..Lubsan_data770'
   powerpc-linux-ld: warning: orphan section `.bss..Lubsan_data762' from `drivers/cxl/core/port.o' being placed in section `.bss..Lubsan_data762'
>> powerpc-linux-ld: warning: orphan section `.bss..Lubsan_data757' from `drivers/cxl/core/mbox.o' being placed in section `.bss..Lubsan_data757'
   powerpc-linux-ld: warning: orphan section `.bss..Lubsan_data756' from `drivers/cxl/core/mbox.o' being placed in section `.bss..Lubsan_data756'
   powerpc-linux-ld: warning: orphan section `.bss..Lubsan_data770' from `kernel/ptrace.o' being placed in section `.bss..Lubsan_data770'
   powerpc-linux-ld: warning: orphan section `.bss..Lubsan_data762' from `drivers/cxl/core/port.o' being placed in section `.bss..Lubsan_data762'
>> powerpc-linux-ld: warning: orphan section `.bss..Lubsan_data757' from `drivers/cxl/core/mbox.o' being placed in section `.bss..Lubsan_data757'
   powerpc-linux-ld: warning: orphan section `.bss..Lubsan_data756' from `drivers/cxl/core/mbox.o' being placed in section `.bss..Lubsan_data756'
   powerpc-linux-ld: warning: orphan section `.bss..Lubsan_data770' from `kernel/ptrace.o' being placed in section `.bss..Lubsan_data770'
   powerpc-linux-ld: warning: orphan section `.bss..Lubsan_data762' from `drivers/cxl/core/port.o' being placed in section `.bss..Lubsan_data762'
>> powerpc-linux-ld: warning: orphan section `.bss..Lubsan_data757' from `drivers/cxl/core/mbox.o' being placed in section `.bss..Lubsan_data757'
   powerpc-linux-ld: warning: orphan section `.bss..Lubsan_data756' from `drivers/cxl/core/mbox.o' being placed in section `.bss..Lubsan_data756'

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https://github.com/intel/lkp-tests/wiki