default or selected kernelversion does not have config value CONFIG_ARCH_WANTS_UBSAN_NO_NULL.
Result is shown for kernelversion 6.7-rc3

CONFIG_ARCH_WANTS_UBSAN_NO_NULL (not configurable)

configname: CONFIG_ARCH_WANTS_UBSAN_NO_NULL

Linux Kernel Configuration
└─>ARCH_WANTS_UBSAN_NO_NULL
In linux kernel since version 4.1 (release Date: 2015-06-21)