gnome-shell-extension-prefs crashed with signal 5 in XGetWindowProperty from window_get_desktop from ca_gtk_proplist_set_for_widget

[Onur Bora]

https://errors.ubuntu.com/problem/ac2ebc61ed42d4f034dfa6f6769fefed42ca834e

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When I use shotdowntimer extension, I've faced with this bug.

ProblemType: Crash
DistroRelease: Ubuntu 20.04
Package: gnome-shell 3.34.3-1ubuntu1
Uname: Linux 5.4.18-050418-lowlatency x86_64
ApportVersion: 2.20.11-0ubuntu16
Architecture: amd64
CrashCounter: 1
CurrentDesktop: ubuntu:GNOME
Date: Sun Feb 9 22:16:45 2020
DisplayManager: lightdm
ExecutablePath: /usr/bin/gnome-shell-extension-prefs
InstallationDate: Installed on 2020-01-18 (21 days ago)
InstallationMedia: Ubuntu 19.10 "Eoan Ermine" - Release amd64 (20191017)
ProcCmdline: gnome-shell-extension-prefs shutdown-timer-gnome-shell-extension
RelatedPackageVersions: mutter-common 3.34.3-1ubuntu1
Signal: 5
SourcePackage: gnome-shell
StacktraceTop:
 () at /lib/x86_64-linux-gnu/libX11.so.6
 _XReply () at /lib/x86_64-linux-gnu/libX11.so.6
 XGetWindowProperty () at /lib/x86_64-linux-gnu/libX11.so.6
 ca_gtk_proplist_set_for_widget () at /lib/x86_64-linux-gnu/libcanberra-gtk3.so.0
 ca_gtk_proplist_set_for_event () at /lib/x86_64-linux-gnu/libcanberra-gtk3.so.0
Title: gnome-shell-extension-prefs crashed with signal 5
UpgradeStatus: No upgrade log present (probably fresh install)
UserGroups: adm cdrom dip lpadmin lxd plugdev sambashare sudo
separator:

[Apport retracing service (apport)]

StacktraceTop:
 XGetWindowProperty (dpy=0x559048b9cc60, w=w@entry=56623147, property=property@entry=321, offset=offset@entry=0, length=length@entry=9223372036854775807, delete=delete@entry=0, req_type=6, actual_type=0x7fff49c83f28, actual_format=0x7fff49c83f24, nitems=0x7fff49c83f30, bytesafter=0x7fff49c83f38, prop=0x7fff49c83f40) at ../../src/GetProp.c:69
 window_get_desktop (w=0x5590490b2430, d=0x559048bb4030) at canberra-gtk.c:193
 ca_gtk_proplist_set_for_widget (p=p@entry=0x5590493f1e50, widget=<optimized out>) at canberra-gtk.c:276
 ca_gtk_proplist_set_for_event (p=0x5590493f1e50, e=e@entry=0x7f761400a5b0) at canberra-gtk.c:374
 ca_gtk_play_for_event (e=0x7f761400a5b0, id=id@entry=0) at canberra-gtk.c:502

[Daniel van Vugt (vanvugt)]

Tracking in https://errors.ubuntu.com/problem/ac2ebc61ed42d4f034dfa6f6769fefed42ca834e

[Launchpad Janitor (janitor)]

Status changed to 'Confirmed' because the bug affects multiple users.

[Daniel van Vugt (vanvugt)]

No error reports since 20.04 was officially released with GNOME 3.36.