undefined reference to `__ubsan_handle_alignment_assumption'

eference to `__ubsan_handle_alignment_assumption' s390x-linux-gnu-ld: init/initramfs.o: in function `unpack_to_rootfs': initramfs.c:(.init.text+0x3c4): undefined reference to `__ubsan_handle_alignment_assumption' s390x-linux-gnu-ld: initramfs.c:(.init.text+0x3e

undefined reference to `__ubsan_handle_alignment_assumption'

the issue, kindly add following tag as appropriate Reported-by: kernel test robot All errors (new ones prefixed by >>): s390x-linux-gnu-ld: init/main.o: in function `do_initcalls': main.c:(.init.text+0x1a34): undefined reference to `__ubsan_handle_alignment_assumption'