default or selected kernelversion does not have config value CONFIG_KCSAN_DEBUG.
Result is shown for kernelversion 6.9.8
Debugging of KCSAN internals
configname: CONFIG_KCSAN_DEBUG
Linux Kernel Configuration
└─>Kernel hacking
└─>Generic Kernel Debugging Instruments
└─>KCSAN: dynamic data race detector
└─>Debugging of KCSAN internals