ADDITIONAL SYSTEM INFORMATION :
JVM crash log his available here:
https://pastebin.com/yu13PduV

A DESCRIPTION OF THE PROBLEM :
#
# A fatal error has been detected by the Java Runtime Environment:
#
# SIGILL (0x4) at pc=0x413042dc, pid=3635, tid=3636
#
# JRE version: LibericaJDK Runtime Environment (11.0.3+12) (build 11.0.3-BellSoft+12)
# Java VM: LibericaJDK 32-Bit Server VM (11.0.3-BellSoft+12, mixed mode, serial gc, linux-)
# Problematic frame:
# J 14 c2 java.io.BufferedReader.readLine(Z)Ljava/lang/String; java.base@11.0.3-BellSoft (304 bytes) @ 0x413042dc [0x41304000+0x000002dc]
#
# Core dump will be written. Default location: /volume1/@%e.core
#
# If you would like to submit a bug report, please visit:
# http://bugreport.java.com/bugreport/crash.jsp
#

REGRESSION : Last worked in version 8u192


CUSTOMER SUBMITTED WORKAROUND :
I'm using -client as a workaround, but since -server is default, a lot of my users are having issues.

FREQUENCY : always