default or selected kernelversion does not have config value CONFIG_GENERIC_STRNCPY_FROM_USER.
Result is shown for kernelversion 6.9-rc1

CONFIG_GENERIC_STRNCPY_FROM_USER (not configurable)

modulename: strncpy_from_user.ko

configname: CONFIG_GENERIC_STRNCPY_FROM_USER

Linux Kernel Configuration
└─>Library routines
└─>GENERIC_STRNCPY_FROM_USER
In linux kernel since version 3.1 (release Date: 2011-10-24)  
source code: