gnome-calendar crashed with SIGSEGV in get_start_of_week()

[Trafex]

Trying to start Gnome Calendar immediately crashed.

ProblemType: Crash
DistroRelease: Ubuntu 17.04
Package: gnome-calendar 3.23.90-0ubuntu2
ProcVersionSignature: Ubuntu 4.9.0-15.16-generic 4.9.5
Uname: Linux 4.9.0-15-generic x86_64
ApportVersion: 2.20.4-0ubuntu2
Architecture: amd64
CurrentDesktop: GNOME
Date: Mon Feb 20 13:30:24 2017
EcryptfsInUse: Yes
ExecutablePath: /usr/bin/gnome-calendar
InstallationDate: Installed on 2016-08-30 (174 days ago)
InstallationMedia: Ubuntu 16.04.1 LTS "Xenial Xerus" - Release amd64 (20160719)
ProcCmdline: /usr/bin/gnome-calendar --gapplication-service
SegvAnalysis:
 Segfault happened at: 0x561074b4ac65 <get_start_of_week+37>: mov 0x0(%rbp),%r12d
 PC (0x561074b4ac65) ok
 source "0x0(%rbp)" (0x00000000) not located in a known VMA region (needed readable region)!
 destination "%r12d" ok
SegvReason: reading NULL VMA
Signal: 11
SourcePackage: gnome-calendar
StacktraceTop:
 get_start_of_week ()
 gcal_week_header_add_event ()
 ?? ()
 ?? ()
 e_cal_data_model_subscribe ()
Title: gnome-calendar crashed with SIGSEGV in get_start_of_week()
UpgradeStatus: No upgrade log present (probably fresh install)
UserGroups: adm cdrom dip docker lpadmin plugdev sambashare sudo

[Apport retracing service (apport)]

StacktraceTop:
 get_start_of_week (date=0x0) at gcal-utils.c:534
 gcal_week_header_add_event (self=0x5610786fa140, event=0x561078987dc0) at views/gcal-week-header.c:1580
 cal_data_model_add_to_subscriber (data_model=data_model@entry=0x56107617c1c0, client=<optimized out>, id=<optimized out>, component=<optimized out>, instance_start=<optimized out>, instance_end=<optimized out>, user_data=0x56107634d350) at e-cal-data-model.c:1740
 cal_data_model_foreach_component (data_model=data_model@entry=0x56107617c1c0, in_range_start=in_range_start@entry=1486940400, in_range_end=in_range_end@entry=1487545200, func=func@entry=0x561074b1cd40 <cal_data_model_add_to_subscriber>, user_data=user_data@entry=0x56107634d350, include_lost_components=include_lost_components@entry=1) at e-cal-data-model.c:2565
 e_cal_data_model_subscribe (data_model=0x56107617c1c0, subscriber=0x56107634d350, range_start=1486940400, range_end=1487545200) at e-cal-data-model.c:2761

[Launchpad Janitor (janitor)]

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

[Brains (brains)]

I subsequently ran it from the terminal. The application started faultlessly. It seems to do now including from the dash or the application overview.