default or selected kernelversion does not have config value CONFIG_UBSAN_SIGNED_OVERFLOW.
Result is shown for kernelversion 5.13-rc2

Perform checking for signed arithmetic overflow

configname: CONFIG_UBSAN_SIGNED_OVERFLOW

Linux Kernel Configuration
└─>Kernel hacking
└─>Generic Kernel Debugging Instruments
└─>Undefined behaviour sanity checker
└─>Perform checking for signed arithmetic overflow
In linux kernel since version 5.11 (release Date: 2021-02-14)  
This option enables -fsanitize=signed-integer-overflow which checks
for overflow of any arithmetic operations with signed integers.

depends
CONFIG_UBSAN
CONFIG_cc-option