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

** Changed in: gnome-calendar (Ubuntu)
       Status: New => Confirmed

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https://bugs.launchpad.net/bugs/1756901

Title:
  GNOME Calendar crashes when I try to add my Google Calendar account

Status in gnome-calendar package in Ubuntu:
  Confirmed

Bug description:
  I clicked the following: Manage your calendars -> Calendar settings,
  which led me to the Settings program, the Online Accounts section,
  selected "Google account", entered my data. My data was successfully
  taken. GNOME Calendar did not load my calendar and crashed. Upon
  restarting GNOME Calendar/restarting Ubuntu, it did not load my
  calendar either. Clicking "Synchronise" did not fix the situation
  either.

  Why do I think this is a security vulnerability? I am just a Computer
  Science student, but I imagine something might possibly come in the
  way so that personal data could be taken.

  It happens if I run the vanilla gnome-session as well.

  -Ubuntu Bionic Beaver (development branch), 18.04, on a fresh install.
  -GNOME Calendar version: 3.28.0-1 (Version table: 3.28.0-1 500)
  -What I expected to happen: load my Google Calendar data.
  -What happened instead: crashed, didn't load my Google Calendar data, even if 
my Google account data is loaded my GNOME.

  I hope Apport uploaded the debug information properly. If not, I can
  try to recreate the bug and upload the debug data, if necessary.

  ProblemType: Crash
  DistroRelease: Ubuntu 18.04
  Package: gnome-calendar 3.28.0-1
  ProcVersionSignature: Ubuntu 4.15.0-12.13-generic 4.15.7
  Uname: Linux 4.15.0-12-generic x86_64
  ApportVersion: 2.20.8-0ubuntu10
  Architecture: amd64
  CurrentDesktop: ubuntu:GNOME
  Date: Mon Mar 19 16:40:14 2018
  ExecutablePath: /usr/bin/gnome-calendar
  InstallationDate: Installed on 2018-03-19 (0 days ago)
  InstallationMedia: Ubuntu 18.04 LTS "Bionic Beaver" - Alpha amd64 (20180319)
  ProcCmdline: /usr/bin/gnome-calendar --gapplication-service
  SegvAnalysis:
   Segfault happened at: 0x7f3513ec4d12 <g_type_check_instance_cast+34>:        
mov    (%rdi),%rbp
   PC (0x7f3513ec4d12) ok
   source "(%rdi)" (0x2c6e616d656c6f63) not located in a known VMA region 
(needed readable region)!
   destination "%rbp" ok
  SegvReason: reading unknown VMA
  Signal: 11
  SourcePackage: gnome-calendar
  StacktraceTop:
   g_type_check_instance_cast () from 
/usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
   ?? ()
   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-calendar 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

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