The crashes of LibreOffice give the following errors:
Sorry, Ubuntu 16.04 has experienced an internal error

ExecutablePath     /usr/lib/libreoffice/program/sov\ffice.bin

Package                libreoffice-core 1:5.1.6-rc2-oubuntu1~xenial2

Problem type       crash

title                      soffice.bin crahed with SIGSEGV

apport version     2.20.1ubuntu2.10

distro release      Ubuntu 16.04

Installation Dae  Installed on 2014-03-19

Installationm Meda  Ubuntu 12.04.4 LTS “Precise Pangolin” - Release i386
(20140204)

ProcCmdline      /usr/lib/libreoffice/program/soffice.bin -writer
-splash-pipe=5

ProcVersionSignature     Ubuntu 4.4.0-92.115-generic 4.4.76

SegvReason     reading unknown VMA

Signal               11

SourceOackage   libreoffice

StacktraceAddressSignature
/usr/lib/libreoffice.bin:11:/usr/lib/jvm/java-8-openjgk-i386/jre/lib/i386/server/libjvm.so+73fb35:/usr/lib/jvm/java-6-openjdk-i386/jre/lib/i386/server/libjvm.so+7422a4:/usr/lib/jvm/java-8-openjdk-i386/jre/lib/server/libjvm.so+74c790:/usr/lib/jvm/java-8-openjdk-i386/jre/lib/i386/server/libjvm.so+533f5f:/usr/lib/jvm/java-8-openjdk-i386/jre/lib/i386/server/libjvm.so+53439c:/usr/lib/libreoffice/program/libjvmaccesslo/so+3ce7:/usr/lib/libreoffice/program/libjvmaccesslo.so+3d36:/usr/lib/libreoffice/program/libjava_uno.so+13ffc:/usr/lib/libreoffice/program/libjava_uno.so+14a46:/usr/lib/libreoffice/program/libgcc3_uno.so.2720:/usr/lib/libreoffice/program/libgcc3_uno.so+2c6b:/usr/lib/libreoffice/program/libgcc3_uno.so+9235:/usr/lib/libreoffice/program/libjavaloaderlo.so+40ca:/usr/lib/libreoffice/program/libuno_cppuhelpergcc3.so+6a9b4:usr/lib/libreoffice/program/libuno_cppuhelpergcc3.so.3+6bb4d

Tags     xenial

Uname      Linux 4.4.0.92-generic i386

Upgradestatus      Upgraded to xenial on 2016-08-03

UserGroups     adm cdrom dip lpadmin plugdev sambashare sudo

I have no uninstalled Oracle Java and will try to find Open JDK to
install, and see what happens.

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https://bugs.launchpad.net/bugs/1699772

Title:
  linux-image-4.13.0-12-generic, linux-image-4.10.0-24-generic, linux-
  image-4.8.0-56-generic, linux-image-4.4.0-81-generic, linux-
  image-3.13.0-121-generic | Regression: many user-space apps crashing

Status in LibreOffice:
  Won't Fix
Status in commons-daemon package in Ubuntu:
  Confirmed
Status in eclipse package in Ubuntu:
  Confirmed
Status in imagej package in Ubuntu:
  Confirmed
Status in libreoffice package in Ubuntu:
  Confirmed
Status in linux package in Ubuntu:
  Confirmed
Status in octave package in Ubuntu:
  Confirmed
Status in python-jpype package in Ubuntu:
  New
Status in rustc package in Ubuntu:
  Confirmed
Status in scilab package in Ubuntu:
  Confirmed
Status in linux package in Debian:
  Confirmed

Bug description:
  Distribution: Ubuntu 16.04 x64 (Flavour: KDE Neon User Edition 5.10)

  linux-image-4.4.0-81-generic appears to contain a regression, probably
  related to the CVE-2017-1000364 fix backport / patch.

  Using this kernel, the Oracle Java browser plugin always crashes
  during stack-related actions on initialization. This means, the plugin
  completely stopped working.

  
  It works perfectly fine in linux-image-4.4.0-79-generic (vurlerable to 
CVE-2017-1000364) as well as linux-image-4.11.6-041106-generic, which also 
contains a fix for CVE-2017-1000364.


  uname -a:

  > Linux Zweiblum 4.4.0-81-generic #104-Ubuntu SMP Wed Jun 14 08:17:06
  UTC 2017 x86_64 x86_64 x86_64 GNU/Linux


  I tested Oracle Java 1.8 u131 as well as 1.6 u64 in Firefox 51.0.1 as
  well as Iceweasel / Firefox/3.5.16 in a chroot.

  Using linux-image-4.4.0-81-generic it crashes in all combinations
  while with both other kernels it works.

  
  I was not able to obtain any detailed crash information from Firefox 51.0.1, 
but Iceweasel 3.5.16 crashed completely, allowing me to obtain a stack trace 
which shows the relation to stack operations performed by the plugin, even 
without proper debug symbols:

  
  > (gdb) bt full
  > #0  0x00007fa06d805307 in _expand_stack_to(unsigned char*) () from 
/opt/java-8-oracle/jre/lib/amd64/server/libjvm.so
  > No symbol table info available.
  > #1  0x00007fa06d8053ae in os::Linux::manually_expand_stack(JavaThread*, 
unsigned char*) ()
  >    from /opt/java-8-oracle/jre/lib/amd64/server/libjvm.so
  > No symbol table info available.
  > #2  0x00007fa06d80cf0b in JVM_handle_linux_signal () from 
/opt/java-8-oracle/jre/lib/amd64/server/libjvm.so
  > No symbol table info available.
  > #3  0x00007fa06d802e13 in signalHandler(int, siginfo*, void*) () from 
/opt/java-8-oracle/jre/lib/amd64/server/libjvm.so
  > No symbol table info available.
  > #4  <signal handler called>

  
  I first assumed a bug in the Java plugin, but it works fine in Linux 4.11.6.

  
  The crash will be triggered by any applet, for example the test applet at:

  * https://java.com/en/download/installed8.jsp

  
  I'm running the Ubuntu 16.04 based KDE Neon distribution which somehow 
apparently does not allow me to use apport to report this bug:

  > $ LANG= apport-cli linux-image-4.4.0-81-generic
  > 
  > *** Collecting problem information
  > 
  > The collected information can be sent to the developers to improve the
  > application. This might take a few minutes.
  > .........
  > 
  > *** Problem in linux-image-4.4.0-81-generic
  > 
  > The problem cannot be reported:
  > 
  > This is not an official KDE package. Please remove any third party package 
and try again.

  If someone can tell me how to get apport working for this package, I
  can use it to collect additional information, but (unfortunately?) the
  problem should be fairly easy to reproduce...

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