loadkeys --mktable fi > /usr/src/linux/drivers/tty/vt/defkeymap.c_shipped OOPSes the kernel 5.4.89

From: Joakim Tjernlund
Date: Sat Jan 16 2021 - 13:01:47 EST

Building a kernel and having the default keymap replaced with
loadkeys --mktable fi > /usr/src/linux/drivers/tty/vt/defkeymap.c_shipped
makes the kernel OOPS during startup.
The OOPS scrolls away and I can only see a few registers.

The OOPS seems to happen when running the loadkeys command.
Working kernel is 5.4.80