There are a lot of open bugs related to everything from 6.0 up, mostly in Ubuntu but also on some other distros. It has not found an easy fix because most of the reports I have read indicate that it is so random that a way of replicating the problem has not been found as of this date. 2018-04-16.
One person found installing 6.1 snap version seemed to work.
in same bug report
Bug 120479 - Crash in: libc-2.27.so
reports that LibreOffice 6.0.1 is not crashing randomly in Ubuntu 18.01
When I tried to install the 6.1 snap version from the Ubuntu Software store, I got an
“Unable to install snapd:” [base missing] error.
I am pursuing a fix to that on
Given that I have found no easy or clear way to “Roll back” to LO 6.0.0 or LO 5.7.x as both are only in the archives at this point.
If someone could point me to a tutorial or instructions on how to safely install a LibreOffice deb from the archives I would appreciate it greatly. These crashes happen about every third save, opening, and during even the crash report of the last crash.
thank you, anyone.