KASAN: runtime memory debugger

modulename: kasan_init.ko

and/or

common.ko

configname: CONFIG_KASAN

Linux Kernel Configuration
└─>Kernel hacking
└─>Memory Debugging
└─>KASAN: runtime memory debugger
In linux kernel since version 3.10 (release Date: 2013-06-30)  
Enables KASAN (KernelAddressSANitizer) - runtime memory debugger,
designed to find out-of-bounds accesses and use-after-free bugs.
See Documentation/dev-tools/kasan.rst for details.

source code:
arch/arm/mm/kasan_init.c