Actually, it appears this issue is caused by a bug in libgnutls:
https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=867581
** Bug watch added: Debian Bug tracker #867581
https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=867581
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Public bug reported:
On an arm64 system (Cortex-A57 based AMD Overdrive), dumping a lot of
data to a gnome-terminal window crashes the gnome-terminal-server
process.
For instance, doing something like
$ hexdump -C /dev/urandom
will crash within a matter of seconds with the following backtrace