lightdm crashed with SIGSEGV in _dl_fini()

[Kev Bowring]

just a not noticed when it occurred crash

ProblemType: Crash
DistroRelease: Ubuntu 18.04
Package: lightdm 1.25.0-0ubuntu1
ProcVersionSignature: Ubuntu 4.13.0-30.33-generic 4.13.13
Uname: Linux 4.13.0-30-generic x86_64
ApportVersion: 2.20.8-0ubuntu6
Architecture: amd64
Date: Fri Jan 19 21:45:28 2018
ExecutablePath: /usr/sbin/lightdm
InstallationDate: Installed on 2017-09-02 (140 days ago)
InstallationMedia: Xubuntu 17.10 "Artful Aardvark" - Alpha amd64 (20170902)
ProcCmdline: lightdm --session-child 12 19
ProcEnviron:
 LANG=en_GB.UTF-8
 LANGUAGE=en_GB:en
 PATH=(custom, no user)
SegvAnalysis:
 Segfault happened at: 0x7f85c813f179 <_dl_fini+777>: mov 0x8(%rax),%r12
 PC (0x7f85c813f179) ok
 source "0x8(%rax)" (0x7f85c2c549b8) not located in a known VMA region (needed readable region)!
 destination "%r12" ok
SegvReason: reading unknown VMA
Signal: 11
SourcePackage: lightdm
StacktraceTop:
 _dl_fini () at dl-fini.c:231
 __run_exit_handlers (status=0, listp=0x7f85c6caf6f8 <__exit_funcs>, run_list_atexit=run_list_atexit@entry=true, run_dtors=run_dtors@entry=true) at exit.c:83
 __GI_exit (status=<optimised out>) at exit.c:105
 ()
 <signal handler called> () at /lib/x86_64-linux-gnu/libc.so.6
Title: lightdm crashed with SIGSEGV in _dl_fini()
UpgradeStatus: No upgrade log present (probably fresh install)
UserGroups:

[Apport retracing service (apport)]

Thank you for taking the time to report this crash and helping to make this software better. This particular crash has already been reported and is a duplicate of bug #1675141, so is being marked as such. Please look at the other bug report to see if there is any missing information that you can provide, or to see if there is a workaround for the bug. Additionally, any further discussion regarding the bug should occur in the other report. Please continue to report any other bugs you may find.