gnome-shell crashed with SIGSEGV in g_type_check_instance_cast()

[dino99]

I was upgrading aspell-en 2017.08.24-0-0.1 when the wayland session has first freezed, then got kicked out back to the login screen.

ProblemType: Crash
DistroRelease: Ubuntu 17.10
Package: gnome-shell 3.26.0-0ubuntu2
ProcVersionSignature: Ubuntu 4.13.0-12.13-generic 4.13.3
Uname: Linux 4.13.0-12-generic x86_64
ApportVersion: 2.20.7-0ubuntu2
Architecture: amd64
CurrentDesktop: GNOME
Date: Wed Oct 4 18:33:30 2017
DisplayManager: lightdm
EcryptfsInUse: Yes
ExecutablePath: /usr/bin/gnome-shell
ProcCmdline: /usr/bin/gnome-shell
ProcEnviron:
 LANGUAGE=en_US
 PATH=(custom, no user)
 XDG_RUNTIME_DIR=<set>
 LANG=en_US.UTF-8
 SHELL=/bin/bash
SegvAnalysis:
 Segfault happened at: 0x7fb4a07e8e62 <g_type_check_instance_cast+34>: mov (%rdi),%rbp
 PC (0x7fb4a07e8e62) ok
 source "(%rdi)" (0x800000007) not located in a known VMA region (needed readable region)!
 destination "%rbp" ok
SegvReason: reading unknown VMA
Signal: 11
SourcePackage: gnome-shell
StacktraceTop:
 g_type_check_instance_cast () from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
 st_label_set_text () from /usr/lib/gnome-shell/libst-1.0.so
 g_object_setv () from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
 g_object_set_property () from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
 ?? () from /usr/lib/libgjs.so.0
Title: gnome-shell 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)]

StacktraceTop:
 g_type_check_instance_cast (type_instance=0x5629be5c04a0, iface_type=94737200359312) at ../../../../gobject/gtype.c:4057
 st_label_set_text (label=0x5629bf512060, text=0x5629c36dcb80 "30.3 inHg") at ../src/st/st-label.c:331
 object_set_property (nqueue=0x5629c5369ac0, value=<optimized out>, pspec=0x5629b9e85b80, object=0x5629bf512060) at ../../../../gobject/gobject.c:1423
 g_object_setv (object=0x5629bf512060, n_properties=<optimized out>, names=<optimized out>, values=<optimized out>) at ../../../../gobject/gobject.c:2229
 g_object_set_property (object=<optimized out>, property_name=<optimized out>, value=value@entry=0x7ffc17d915d8) at ../../../../gobject/gobject.c:2513

[Daniel van Vugt (vanvugt)]

This looks like essentially the same crash as bug 1714989.

[dino99 (9d9)]

Aspell-en can be reinstalled into a terminal without getting warning/error nor gnome-shell crashing. So the problem may then came from the ubuntu-theme & likes also installed at the same time.