gnome-software crashed with SIGSEGV in gtk_stack_set_visible_child_name()

[Bruce Pieterse]

Crashed when trying to review installed updates from reboot.

- Restart computer with pending updates
- Tick the option to install pending updates
- Updates install at startup
- Login
- Notification appears to notify the user that updates were applied and the user can review.
- Clicked on the notification
- Gnome Software opens with a modal already open to display the recently installed software, but it hangs (waited 30-60 seconds).
- Closed modal.
- Clicked on the "Installed" button.
- Crash occurs within a few seconds

ProblemType: Crash
DistroRelease: Ubuntu 18.04
Package: gnome-software 3.28.1-0ubuntu3
ProcVersionSignature: Ubuntu 4.15.0-15.16-generic 4.15.15
Uname: Linux 4.15.0-15-generic x86_64
ApportVersion: 2.20.9-0ubuntu5
Architecture: amd64
CurrentDesktop: GNOME
Date: Wed Apr 18 21:28:43 2018
ExecutablePath: /usr/bin/gnome-software
InstallationDate: Installed on 2016-10-25 (539 days ago)
InstallationMedia: Ubuntu-GNOME 16.04.1 LTS "Xenial Xerus" - Release amd64 (20160720)
InstalledPlugins:
 gnome-software-plugin-flatpak 3.28.1-0ubuntu3
 gnome-software-plugin-limba N/A
 gnome-software-plugin-snap 3.28.1-0ubuntu3
ProcCmdline: /usr/bin/gnome-software --gapplication-service
ProcEnviron:
 LANGUAGE=en_ZA:en
 PATH=(custom, no user)
 XDG_RUNTIME_DIR=<set>
 LANG=en_ZA.UTF-8
 SHELL=/usr/bin/zsh
SegvAnalysis:
 Segfault happened at: 0x7fa750061087 <gtk_stack_set_visible_child_name+7>: mov 0x30(%rdi,%rax,1),%edx
 PC (0x7fa750061087) ok
 source "0x30(%rdi,%rax,1)" (0xfffffffffffffe80) not located in a known VMA region (needed readable region)!
 destination "%edx" ok
SegvReason: reading unknown VMA
Signal: 11
SourcePackage: gnome-software
StacktraceTop:
 gtk_stack_set_visible_child_name () from /usr/lib/x86_64-linux-gnu/libgtk-3.so.0
 ?? ()
 ?? () from /usr/lib/x86_64-linux-gnu/libgio-2.0.so.0
 ?? () from /usr/lib/x86_64-linux-gnu/libgio-2.0.so.0
 g_main_context_dispatch () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
Title: gnome-software crashed with SIGSEGV in gtk_stack_set_visible_child_name()
UpgradeStatus: Upgraded to bionic on 2018-01-24 (84 days ago)
UserGroups: adm cdrom dip libvirt lpadmin lxd plugdev sambashare sbuild 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 #1724188, 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.