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[Dmitry Shachnev <mitya57@xxxxxxxxx>]

** Changed in: qtdeclarative-opensource-src (Ubuntu)
       Status: Confirmed => Fix Released

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https://bugs.launchpad.net/bugs/1311836

Title:
  qmlscene crashed with SIGSEGV in wasDeleted()

Status in “qtdeclarative-opensource-src” package in Ubuntu:
  Fix Released

Bug description:
  Crashed while playing with ubuntu-clock-app on a desktop with touch
  screen. No specific action, the app suddenly froze and crashed when I
  tapped on a Alarm in the tabbar.

  This is reproducible by switching between the different modes of the
  app, it always crashes on Alarm.

  ProblemType: Crash
  DistroRelease: Ubuntu 14.04
  Package: qmlscene 5.2.1-3ubuntu15
  ProcVersionSignature: Ubuntu 3.13.0-24.46-generic 3.13.9
  Uname: Linux 3.13.0-24-generic x86_64
  ApportVersion: 2.14.1-0ubuntu3
  Architecture: amd64
  CurrentDesktop: Unity
  Date: Wed Apr 23 21:00:09 2014
  ExecutablePath: /usr/lib/x86_64-linux-gnu/qt5/bin/qmlscene
  InstallationDate: Installed on 2014-04-22 (1 days ago)
  InstallationMedia: Ubuntu 14.04 LTS "Trusty Tahr" - Release amd64 (20140417)
  ProcCmdline: /usr/lib/x86_64-linux-gnu/qt5/bin/qmlscene /usr/share/username-clock-app/username-clock-app.qml
  SegvAnalysis:
   Segfault happened at: 0x7f9c88296136 <_ZN3QV414QObjectWrapper4wrapEPNS_15ExecutionEngineEP7QObject+38>:	testb  $0x4,0x20(%rbp)
   PC (0x7f9c88296136) ok
   source "$0x4" ok
   destination "0x20(%rbp)" (0x00000020) not located in a known VMA region (needed writable region)!
  SegvReason: writing NULL VMA
  Signal: 11
  SourcePackage: qtdeclarative-opensource-src
  StacktraceTop:
   QV4::QObjectWrapper::wrap(QV4::ExecutionEngine*, QObject*) () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
   QV8Engine::fromVariant(QVariant const&) () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
   ?? () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
   ?? () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
   ?? () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
  Title: qmlscene crashed with SIGSEGV in QV4::QObjectWrapper::wrap()
  UpgradeStatus: No upgrade log present (probably fresh install)
  UserGroups: adm cdrom dip lpadmin plugdev sambashare sudo video

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