gnome-flashback crashed with SIGSEGV in gf_input_source_manager_get_current_source()

[Claus7]

trying to close email preview this error happened

ProblemType: Crash
DistroRelease: Ubuntu 20.04
Package: gnome-flashback 3.35.2-1ubuntu1
ProcVersionSignature: Ubuntu 5.4.0-14.17-generic 5.4.18
Uname: Linux 5.4.0-14-generic x86_64
NonfreeKernelModules: zfs zunicode zavl icp zcommon znvpair
ApportVersion: 2.20.11-0ubuntu18
Architecture: amd64
CrashCounter: 1
CurrentDesktop: GNOME-Flashback:GNOME
Date: Mon Feb 24 18:06:28 2020
ExecutablePath: /usr/bin/gnome-flashback
InstallationDate: Installed on 2018-11-27 (454 days ago)
InstallationMedia: Ubuntu 18.04.1 LTS "Bionic Beaver" - Release amd64 (20180725)
ProcCmdline: /usr/bin/gnome-flashback
SegvAnalysis:
 Segfault happened at: 0x559121496c24: mov 0x80(%rdi),%rax
 PC (0x559121496c24) ok
 source "0x80(%rdi)" (0x00000080) not located in a known VMA region (needed readable region)!
 destination "%rax" ok
SegvReason: reading NULL VMA
Signal: 11
SourcePackage: gnome-flashback
StacktraceTop:
 ?? ()
 ?? ()
 g_closure_invoke () from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
 ?? () 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: gnome-flashback crashed with SIGSEGV in g_closure_invoke()
UpgradeStatus: Upgraded to focal on 2020-01-28 (26 days ago)
UserGroups: adm cdrom dip input lpadmin plugdev sambashare sudo
separator:

[Apport retracing service (apport)]

StacktraceTop:
 gf_input_source_manager_get_current_source ()
 update_button ()
 g_closure_invoke () from /tmp/apport_sandbox_gt5ewedu/usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
 signal_emit_unlocked_R () from /tmp/apport_sandbox_gt5ewedu/usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
 g_signal_emit_valist () from /tmp/apport_sandbox_gt5ewedu/usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0

[Alberts Muktupāvels (muktupavels)]

Will be fixed in next gnome-flashback release.

https://gitlab.gnome.org/GNOME/gnome-flashback/-/commit/e19848f97cc90972062c211e11e8edcd625e7fca

[Launchpad Janitor (janitor)]

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

[Ryan Harper (raharper)]

I've created a PPA with the upstream patch from #6 included.

https://launchpad.net/~raharper/+archive/ubuntu/lp1864506

[Alberts Muktupāvels (muktupavels)]

Thanks! In few days gnome-flashback 3.36.0 will be available in 20.04. :)

[Launchpad Janitor (janitor)]

This bug was fixed in the package gnome-flashback - 3.36.0-2ubuntu1

---------------
gnome-flashback (3.36.0-2ubuntu1) focal; urgency=medium

  * Merge with Debian unstable, remaining changes:
    - debian/rules:
      + Add an epoch number to gnome-session-flashback package.
    - debian/gnome-session-flashback.gsettings-override:
      + Disable some not needed gnome-flashback components.
      + Add the default settings for GNOME Flashback sessions.
    - debian/control.in:
      + Use Ubuntu VCS fields.
      + Make gnome-session-flashback depend on dbus-user-session,
        indicator-common, ubuntu-mono and yaru-theme-gtk.
      + Make gnome-session-flashback suggest compiz.
      + Build-depend on libcompizconfig0-dev to enable Compiz session
        support.
    - debian/patches/support-indicator-keyboard.diff:
      + Support “org.gnome.desktop.input-sources current” key, to make
        indicator-keyboard working.
    - debian/patches/load_indicators.diff:
      + Load indicators when starting the session via systemd.
    - debian/gnome-session-flashback.install:
      + Install compiz configuration files.
  * Refresh debian/patches/support-indicator-keyboard.diff.

 -- Dmitry Shachnev <email address hidden> Tue, 17 Mar 2020 13:14:41 +0300