powerpc64-linux-ld: warning: orphan section `.bss..Lubsan_data42' from `kernel/ptrace.o' being placed in section `.bss..Lubsan_data42'

[kernel test robot]

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head:   c02197fc9076e7d991c8f6adc11759c5ba52ddc6
commit: 5431fdd2c181dd2eac218e45b44deb2925fa48f0 ptrace: Convert ptrace_attach() to use lock guards
date:   3 months ago
config: powerpc64-randconfig-r002-20220227 (https://download.01.org/0day-ci/archive/20240218/202402181204.TyOAQpzb-lkp@xxxxxxxxx/config)
compiler: powerpc64-linux-gcc (GCC) 13.2.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20240218/202402181204.TyOAQpzb-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/202402181204.TyOAQpzb-lkp@xxxxxxxxx/

All warnings (new ones prefixed by >>):

>> powerpc64-linux-ld: warning: orphan section `.bss..Lubsan_data42' from `kernel/ptrace.o' being placed in section `.bss..Lubsan_data42'
   powerpc64-linux-ld: warning: orphan section `.bss..Lubsan_data75' from `kernel/sched/core.o' being placed in section `.bss..Lubsan_data75'
   powerpc64-linux-ld: warning: orphan section `.bss..Lubsan_data36' from `fs/overlayfs/copy_up.o' being placed in section `.bss..Lubsan_data36'
>> powerpc64-linux-ld: warning: orphan section `.bss..Lubsan_data42' from `kernel/ptrace.o' being placed in section `.bss..Lubsan_data42'
   powerpc64-linux-ld: warning: orphan section `.bss..Lubsan_data75' from `kernel/sched/core.o' being placed in section `.bss..Lubsan_data75'
   powerpc64-linux-ld: warning: orphan section `.bss..Lubsan_data36' from `fs/overlayfs/copy_up.o' being placed in section `.bss..Lubsan_data36'
>> powerpc64-linux-ld: warning: orphan section `.bss..Lubsan_data42' from `kernel/ptrace.o' being placed in section `.bss..Lubsan_data42'
   powerpc64-linux-ld: warning: orphan section `.bss..Lubsan_data75' from `kernel/sched/core.o' being placed in section `.bss..Lubsan_data75'
   powerpc64-linux-ld: warning: orphan section `.bss..Lubsan_data36' from `fs/overlayfs/copy_up.o' being placed in section `.bss..Lubsan_data36'

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