JVM Crash: scavenge_contents_parallel

I have a JVM with 1.8TB of heap space. Since last night, it takes off every couple of hours:

[GC (GCLocker Initiated GC)

Fatal error detected in Java Runtime Environment:
SIGSEGV (0xb) at pc = 0x00007fd88e4f7233, pid = 186953, tid = 0x00007e14ea7b2700
JRE version: Java (TM) SE (8.0_101-b13) (version 1.8.0_101-b13)
Java VM : Java HotSpot (TM) 64-bit Server VM (25.101-b13 mixed mode linux-amd64)

Problem frame:

V [libjvm.so + 0x3ff233]
CardTableExtension :: scavenge_contents_parallel (ObjectStartArray *, MutableSpace *, HeapWord *, PSPromotionManager *, unsigned int, unsigned int) + 0xbf3

Failed to write main dump. Kernel reset is disabled. To enable kernel reset try "ulimit -c unlimited" before restarting Java

The bug report file with additional information is saved as: See file here

Has anyone come across this and know what is causing it?