gnome-shell crashed with SIGSEGV in g_type_check_instance_cast()

[Tristan Tarrant]

Different stack trace compared to other bugs here.

Stacktrace:
 #0 0x00007fe15d4dfe56 in g_type_check_instance_cast () at /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
 #1 0x00007fe15dabb69c in () at /usr/lib/gnome-shell/libgnome-shell.so
 #2 0x00007fe15d4b9f9d in g_closure_invoke () at /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
 #3 0x00007fe15d4ccd5e in () at /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
 #4 0x00007fe15d4d5535 in g_signal_emit_valist () at /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
 #5 0x00007fe15d4d5f4f in g_signal_emit () at /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
 #6 0x00007fe15b72bc03 in () at /usr/lib/x86_64-linux-gnu/libmutter-1.so.0
 #7 0x00007fe15b743b70 in meta_window_x11_new () at /usr/lib/x86_64-linux-gnu/libmutter-1.so.0
 #8 0x00007fe15b7385e9 in () at /usr/lib/x86_64-linux-gnu/libmutter-1.so.0
 #9 0x00007fe15b7394cb in () at /usr/lib/x86_64-linux-gnu/libmutter-1.so.0
 #10 0x00007fe15a9958af in () at /usr/lib/x86_64-linux-gnu/libgdk-3.so.0
 #11 0x00007fe15a995b99 in () at /usr/lib/x86_64-linux-gnu/libgdk-3.so.0
 #12 0x00007fe15a95f9c0 in gdk_display_get_event () at /usr/lib/x86_64-linux-gnu/libgdk-3.so.0
 #13 0x00007fe15a995942 in () at /usr/lib/x86_64-linux-gnu/libgdk-3.so.0
 #14 0x00007fe15d1e0f77 in g_main_context_dispatch () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
 #15 0x00007fe15d1e11b0 in () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
 #16 0x00007fe15d1e14c2 in g_main_loop_run () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
 #17 0x00007fe15b719c1c in meta_run () at /usr/lib/x86_64-linux-gnu/libmutter-1.so.0
 #18 0x00005579eea3a307 in ()
 #19 0x00007fe15b0ac1c1 in __libc_start_main (main=0x5579eea39f10, argc=1, argv=0x7fffac57ce88, init=<optimized out>, fini=<optimized out>, rtld_fini=<optimized out>, stack_end=0x7fffac57ce78) at ../csu/libc-start.c:308

ProblemType: Crash
DistroRelease: Ubuntu 17.10
Package: gnome-shell 3.26.0-0ubuntu1
ProcVersionSignature: Ubuntu 4.13.0-11.12-generic 4.13.1
Uname: Linux 4.13.0-11-generic x86_64
ApportVersion: 2.20.7-0ubuntu1
Architecture: amd64
CrashCounter: 1
CurrentDesktop: GNOME
Date: Thu Sep 21 12:28:30 2017
DisplayManager: gdm3
ExecutablePath: /usr/bin/gnome-shell
InstallationDate: Installed on 2014-12-01 (1024 days ago)
InstallationMedia: Ubuntu-GNOME 14.10 "Utopic Unicorn" - Release amd64 (20141022.1)
ProcCmdline: /usr/bin/gnome-shell
SegvAnalysis:
 Segfault happened at: 0x7fe15d4dfe56 <g_type_check_instance_cast+22>: mov (%rdi),%rdi
 PC (0x7fe15d4dfe56) ok
 source "(%rdi)" (0x008041ed) not located in a known VMA region (needed readable region)!
 destination "%rdi" ok
SegvReason: reading unknown VMA
Signal: 11
SourcePackage: gnome-shell
StacktraceTop:
 g_type_check_instance_cast () at /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
 () at /usr/lib/gnome-shell/libgnome-shell.so
 g_closure_invoke () at /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
 () at /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
 g_signal_emit_valist () at /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
Title: gnome-shell crashed with SIGSEGV in g_type_check_instance_cast()
UpgradeStatus: No upgrade log present (probably fresh install)
UserGroups: adm audio cdrom dip disk docker fax libvirt libvirtd lpadmin lxd plugdev sambashare sudo vboxusers

[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 #1714745, 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.