shares-admin crashed with SIGSEGV in g_type_check_instance_cast()

[Eugene]

shares-admin crashes

ProblemType: Crash
DistroRelease: Ubuntu 18.04
Package: gnome-system-tools 3.0.0-6ubuntu1
ProcVersionSignature: Ubuntu 4.15.0-13.14-generic 4.15.10
Uname: Linux 4.15.0-13-generic x86_64
ApportVersion: 2.20.9-0ubuntu4
Architecture: amd64
CurrentDesktop: ubuntu:GNOME
Date: Tue Apr 10 00:19:42 2018
ExecutablePath: /usr/bin/shares-admin
InstallationDate: Installed on 2018-04-09 (0 days ago)
InstallationMedia: Ubuntu 18.04 LTS "Bionic Beaver" - Beta amd64 (20180404)
ProcCmdline: shares-admin
ProcEnviron:
 LANG=ru_RU.UTF-8
 TERM=xterm-256color
 SHELL=/bin/bash
 XDG_RUNTIME_DIR=<set>
 PATH=(custom, no user)
SegvAnalysis:
 Segfault happened at: 0x7f5285721ed0 <g_type_check_instance_cast+480>: movzbl 0x14(%r8),%ecx
 PC (0x7f5285721ed0) ok
 source "0x14(%r8)" (0xffffffffaff26e54) not located in a known VMA region (needed readable region)!
 destination "%ecx" ok
SegvReason: reading unknown VMA
Signal: 11
SourcePackage: gnome-system-tools
StacktraceTop:
 g_type_check_instance_cast () from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
 share_settings_dialog_run_for_iter ()
 share_settings_dialog_run ()
 ?? () from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
 g_signal_emit_valist () from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
Title: shares-admin crashed with SIGSEGV in g_type_check_instance_cast()
UpgradeStatus: No upgrade log present (probably fresh install)
UserGroups: adm cdrom dip lpadmin plugdev sambashare sudo

[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 #1731256, 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.