Bad sector simulation target

modulename: dm-dust.ko

configname: CONFIG_DM_DUST

Linux Kernel Configuration
└─>Device Drivers
└─>Multiple devices driver support (RAID and LVM)
└─>Bad sector simulation target
In linux kernel since version 5.1 (release Date: 2019-05-05)  
A target that simulates bad sector behavior.
Useful for testing.

If unsure, say N.

source code:
drivers/md/dm-dust.c