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[Nekhelesh Ramananthan <krnekhelesh@xxxxxxxxx>]

*** This bug is a duplicate of bug 1337405 ***
    https://bugs.launchpad.net/bugs/1337405

** This bug has been marked a duplicate of bug 1337405
   Clock App crashes frequently when UCAlarmModel::clear() is called

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https://bugs.launchpad.net/bugs/1295266

Title:
  qmlscene crashed with SIGSEGV in UCAlarmModel::clear()

Status in Clock application for Ubuntu devices:
  New
Status in “ubuntu-ui-toolkit” package in Ubuntu:
  Confirmed

Bug description:
  Using image 248 with mako, was able to make the clock-app to crash
  when removing an alarm from the alarm list.

  To reproduce:
  1 - Add 2 alarms;
  2 - Remove them;
  3 - Repeat until you're able to get a crash;

  stacktrace:

  Program terminated with signal SIGSEGV, Segmentation fault.
  #0  0xb1081208 in UCAlarmModel::clear (this=this@entry=0x1309c58) at ucalarmmodel.cpp:148
  148	ucalarmmodel.cpp: No such file or directory.
  (gdb) bt full
  #0  0xb1081208 in UCAlarmModel::clear (this=this@entry=0x1309c58) at ucalarmmodel.cpp:148
          alarm = 0x12768f8
          _container_ = {c = {{p = {static shared_null = {ref = {atomic = {_q_value = -1}}, alloc = 0, begin = 0, end = 0, array = {0x0}}, d = 0x133bdd8}, d = 0x133bdd8}}, brk = 0, i = {i = 0x133bdec}, e = {i = 0x133bdf0}}
  #1  0xb1081314 in UCAlarmModel::refresh (this=0x1309c58) at ucalarmmodel.cpp:245
          alarms = {{p = {static shared_null = {ref = {atomic = {_q_value = -1}}, alloc = 0, begin = 0, end = 0, array = {0x0}}, d = 0xb2d57000}, d = 0xb2d57000}}
  #2  0xb63671b2 in QObject::event (this=<optimized out>, e=<optimized out>) at kernel/qobject.cpp:1147
          mce = <optimized out>
          sw = {receiver = 0x1309c58, previousSender = 0x0, currentSender = {sender = 0xb10d083c <AlarmManager::instance()::instance>, signal = 3, ref = 1}, switched = true}
  #3  0xb684c868 in QApplicationPrivate::notify_helper (this=this@entry=0x11def40, receiver=receiver@entry=0x1309c58, e=e@entry=0x1729548) at kernel/qapplication.cpp:3486
          consumed = <optimized out>
  #4  0xb6850336 in QApplication::notify (this=0xbeb1a1cc, receiver=0x1309c58, e=0x1729548) at kernel/qapplication.cpp:3236
          w = 0x1309c58
          extra = <optimized out>
          isProxyWidget = <optimized out>
          __PRETTY_FUNCTION__ = "virtual bool QApplication::notify(QObject*, QEvent*)"
          res = <optimized out>
  #5  0xb634b00a in QCoreApplication::notifyInternal (this=0xbeb1a1cc, receiver=receiver@entry=0x1309c58, event=event@entry=0x1729548) at kernel/qcoreapplication.cpp:881
          threadData = 0x11df028
          loopLevelCounter = {threadData = 0x11df028}
          result = false
          cbdata = {0x1309c58, 0x1729548, 0xbeb19f53}
          d = 0x1309cb8
  #6  0xb634cc6c in sendEvent (event=0x1729548, receiver=0x1309c58) at kernel/qcoreapplication.h:232
  No locals.
  #7  QCoreApplicationPrivate::sendPostedEvents (receiver=receiver@entry=0x0, event_type=event_type@entry=0, data=0x11df028) at kernel/qcoreapplication.cpp:1485
          e = 0x1729548
          pe = <optimized out>
          r = 0x1309c58
          unlocker = {m = <synthetic pointer>}
          event_deleter = {d = 0x1729548}
          __PRETTY_FUNCTION__ = "static void QCoreApplicationPrivate::sendPostedEvents(QObject*, int, QThreadData*)"
          locker = {val = 18739268}
          startOffset = 0
          i = @0x11df03c: 5
          cleanup = {receiver = <optimized out>, event_type = 0, data = 0x11df028, exceptionCaught = true}
  #8  0xb634d000 in QCoreApplication::sendPostedEvents (receiver=receiver@entry=0x0, event_type=event_type@entry=0) at kernel/qcoreapplication.cpp:1343
          data = <optimized out>
  #9  0xb637fe38 in postEventSourceDispatch (s=0x120de80) at kernel/qeventdispatcher_glib.cpp:279
          source = 0x120de80
  #10 0xb5dcf39a in g_main_context_dispatch () from /lib/arm-linux-gnueabihf/libglib-2.0.so.0
  No symbol table info available.
  #11 0xb5dcf522 in ?? () from /lib/arm-linux-gnueabihf/libglib-2.0.so.0
  No symbol table info available.

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