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[Mathew Hodson <mathew.hodson@xxxxxxxxx>]

** Changed in: ido (Ubuntu Trusty)
   Importance: Undecided => High

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https://bugs.launchpad.net/bugs/1350821

Title:
  unity-panel-service crashed with SIGSEGV in
  ido_calendar_menu_item_key_press()

Status in ido package in Ubuntu:
  Fix Released
Status in ido source package in Trusty:
  Fix Committed

Bug description:
  
  [Impact]
  Unity panel service crashes when opening the Calendar menu

  [Test Case]
  There's not a way to reproduce this systemically. Just open frequently the calendar menu, but this crash can happen or not.

  [Regression Potential]
  None, the code change consists only on protecting against a null pointer (recorded in the stacktraces here), so it's just pretty safe.

  
  ProblemType: CrashDistroRelease: Ubuntu 14.10
  Package: unity-services 7.3.0+14.10.20140711-0ubuntu1
  ProcVersionSignature: Ubuntu 3.16.0-6.11-generic 3.16.0-rc7
  Uname: Linux 3.16.0-6-generic x86_64
  .tmp.unity.support.test.0:

  ApportVersion: 2.14.5-0ubuntu1
  Architecture: amd64
  CompizPlugins: No value set for `/apps/compiz-1/general/screen0/options/active_plugins'
  CompositorRunning: compiz
  CompositorUnredirectDriverBlacklist: '(nouveau|Intel).*Mesa 8.0'
  CompositorUnredirectFSW: true
  CurrentDesktop: Unity
  Date: Thu Jul 31 13:53:14 2014
  DistUpgraded: Fresh install
  DistroCodename: utopic
  DistroVariant: ubuntu
  DkmsStatus:
   virtualbox, 4.3.12, 3.16.0-5-generic, x86_64: installed
   virtualbox, 4.3.12, 3.16.0-6-generic, x86_64: installed
  ExecutablePath: /usr/lib/unity/unity-panel-service
  GraphicsCard:
   Intel Corporation 2nd Generation Core Processor Family Integrated Graphics Controller [8086:0126] (rev 09) (prog-if 00 [VGA controller])
     Subsystem: Lenovo Device [17aa:21da]
  InstallationDate: Installed on 2013-12-22 (221 days ago)
  InstallationMedia: Ubuntu 14.04 LTS "Trusty Tahr" - Alpha amd64 (20131221)
  MachineType: LENOVO 429149G
  ProcCmdline: /usr/lib/unity/unity-panel-service
  ProcEnviron:
   PATH=(custom, user)
   LANGUAGE=de_DE
   XDG_RUNTIME_DIR=<set>
   LANG=de_DE.UTF-8
   SHELL=/bin/bash
  ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.16.0-6-generic root=UUID=23a70067-84b7-4d69-8cbc-11f2fe3f429d ro quiet splash vt.handoff=7
  SegvAnalysis:
   Segfault happened at: 0x7ffbbaf3b766:	mov    0x10(%rdx),%ecx
   PC (0x7ffbbaf3b766) ok
   source "0x10(%rdx)" (0x00000010) not located in a known VMA region (needed readable region)!
   destination "%ecx" ok
  SegvReason: reading NULL VMA
  Signal: 11SourcePackage: unity
  StacktraceTop:
   ?? () from /usr/lib/x86_64-linux-gnu/libido3-0.1.so.0
   ?? () from /usr/lib/x86_64-linux-gnu/libgtk-3.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: unity-panel-service crashed with SIGSEGV in g_closure_invoke()
  UpgradeStatus: No upgrade log present (probably fresh install)
  UserGroups: adm autopilot cdrom dip lpadmin plugdev sambashare scanner sudo
  dmi.bios.date: 05/18/2011
  dmi.bios.vendor: LENOVO
  dmi.bios.version: 8DET46WW (1.16 )
  dmi.board.asset.tag: Not Available
  dmi.board.name: 429149G
  dmi.board.vendor: LENOVO
  dmi.board.version: Not Available
  dmi.chassis.asset.tag: No Asset Information
  dmi.chassis.type: 10
  dmi.chassis.vendor: LENOVO
  dmi.chassis.version: Not Available
  dmi.modalias: dmi:bvnLENOVO:bvr8DET46WW(1.16):bd05/18/2011:svnLENOVO:pn429149G:pvrThinkPadX220:rvnLENOVO:rn429149G:rvrNotAvailable:cvnLENOVO:ct10:cvrNotAvailable:
  dmi.product.name: 429149G
  dmi.product.version: ThinkPad X220
  dmi.sys.vendor: LENOVO
  version.compiz: compiz 1:0.9.11+14.10.20140707-0ubuntu1
  version.ia32-libs: ia32-libs N/A
  version.libdrm2: libdrm2 2.4.54-1
  version.libgl1-mesa-dri: libgl1-mesa-dri 10.2.3-0ubuntu1
  version.libgl1-mesa-dri-experimental: libgl1-mesa-dri-experimental N/A
  version.libgl1-mesa-glx: libgl1-mesa-glx 10.2.3-0ubuntu1
  version.xserver-xorg-core: xserver-xorg-core 2:1.15.1-0ubuntu8
  version.xserver-xorg-input-evdev: xserver-xorg-input-evdev 1:2.9.0-1ubuntu1
  version.xserver-xorg-video-ati: xserver-xorg-video-ati 1:7.4.0-2ubuntu1
  version.xserver-xorg-video-intel: xserver-xorg-video-intel 2:2.99.914-1~exp1ubuntu1
  version.xserver-xorg-video-nouveau: xserver-xorg-video-nouveau 1:1.0.10-1ubuntu2
  xserver.bootTime: Wed Jul 30 18:55:05 2014
  xserver.configfile: default
  xserver.errors:
   intel: Failed to load module "dri3" (module does not exist, 0)
   intel: Failed to load module "present" (module does not exist, 0)
  xserver.logfile: /var/log/Xorg.0.log
  xserver.outputs:
   product id                                 728
   vendor                                     LGD
  xserver.version: 2:1.15.1-0ubuntu8

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