gnome-software crashed with SIGSEGV in g_type_check_instance() → g_signal_handlers_disconnect_matched → set_app → gs_details_page_url_to_app_cb → g_task_return_now → complete_in_idle_cb → g_main_dispatch

[Frederik Feichtmeier]

I tried to install mailspring from https://uappexplorer.com and hit the install button.
Software opened for 1 sec then closed. Tried this a few times and ended up with the same result.
Installing this snap in a terminal works fine.

ProblemType: Crash
DistroRelease: Ubuntu 18.04
Package: gnome-software 3.27.92-0ubuntu1
ProcVersionSignature: Ubuntu 4.15.0-10.11-generic 4.15.3
Uname: Linux 4.15.0-10-generic x86_64
ApportVersion: 2.20.8-0ubuntu10
Architecture: amd64
CrashCounter: 1
CurrentDesktop: ubuntu-communitheme:ubuntu:GNOME
Date: Thu Mar 8 13:50:55 2018
ExecutablePath: /usr/bin/gnome-software
InstallationDate: Installed on 2017-09-08 (181 days ago)
InstallationMedia: Ubuntu 17.10 "Artful Aardvark" - Alpha amd64 (20170902)
InstalledPlugins:
 gnome-software-plugin-flatpak N/A
 gnome-software-plugin-limba N/A
 gnome-software-plugin-snap 3.27.92-0ubuntu1
ProcCmdline: /usr/bin/gnome-software --gapplication-service
SegvAnalysis:
 Segfault happened at: 0x7f477d7cf17d <g_type_check_instance+13>: mov (%rdi),%rax
 PC (0x7f477d7cf17d) ok
 source "(%rdi)" (0x00000001) not located in a known VMA region (needed readable region)!
 destination "%rax" ok
SegvReason: reading NULL VMA
Signal: 11
SourcePackage: gnome-software
StacktraceTop:
 g_type_check_instance () at /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
 g_signal_handlers_disconnect_matched () at /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
 ()
 ()
 () at /usr/lib/x86_64-linux-gnu/libgio-2.0.so.0
Title: gnome-software crashed with SIGSEGV in g_type_check_instance()
UpgradeStatus: No upgrade log present (probably fresh install)
UserGroups: adm cdrom dip lpadmin plugdev sambashare scanner sudo

[Brian Murray (brian-murray)]

StacktraceTop:
 g_type_check_instance (type_instance=type_instance@entry=0x1) at ../../../../gobject/gtype.c:4129
 g_signal_handlers_disconnect_matched (instance=0x1, mask=mask@entry=(G_SIGNAL_MATCH_FUNC | G_SIGNAL_MATCH_DATA), signal_id=signal_id@entry=0, detail=detail@entry=0, closure=closure@entry=0x0, func=func@entry=0x560d18f922b0 <gs_details_page_notify_state_changed_cb>, data=0x560d1ab3ea10) at ../../../../gobject/gsignal.c:2931
 set_app (self=self@entry=0x560d1ab3ea10, app=0x7f47241e4980) at ../src/gs-details-page.c:1632
 gs_details_page_url_to_app_cb (source=<optimized out>, res=<optimized out>, user_data=0x560d1abac6e0) at ../src/gs-details-page.c:1756
 g_task_return_now (task=0x7f4748146e20) at ../../../../gio/gtask.c:1148

[Launchpad Janitor (janitor)]

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