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[Chris <1243109@xxxxxxxxxxxxxxxxxx>]

Fixed in mudlet/Development

** Changed in: mudlet
       Status: Confirmed => Fix Committed

** Changed in: mudlet
     Assignee: (unassigned) => Chris (chrismudlet)

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https://bugs.launchpad.net/bugs/1243109

Title:
  Mudlet crashes when too many lines are deleted to start of buffer

Status in Mudlet the MUD client:
  Fix Committed

Bug description:
  Open a profile, create a trigger with the following code and make it
  run to crash Mudlet:

  local startline = getLineNumber()
  for i = 1, 5000 do
    deleteLine()
    moveCursor(0, startline-i)
  end

  Crashed on the assertion:

  inline T &QList<T>::operator[](int i)
  { Q_ASSERT_X(i >= 0 && i < p.size(), "QList<T>::operator[]", "index out of range");
    detach(); return reinterpret_cast<Node *>(p.at(i))->t(); }

  Happens everytime.

  Stacktrace:

  0	__GI_raise	raise.c	64	0x7ffff420b425	
  1	__GI_abort	abort.c	91	0x7ffff420eb8b	
  2	QMessageLogger::fatal(char const*, ...) const	/home/vadi/Programs/Qt5.1.1/5.1.1/gcc_64/lib/libQt5Core.so.5		0x7ffff537368e	
  3	qt_assert_x(char const*, char const*, char const*, int)	/home/vadi/Programs/Qt5.1.1/5.1.1/gcc_64/lib/libQt5Core.so.5		0x7ffff5370484	
  4	QList<bool>::operator[]	qlist.h	460	0x608d0e	
  5	operator[]	qlist.h	460	0x60b315	
  6	TBuffer::wrap	TBuffer.cpp	2751	0x60b315	
  7	TBuffer::translateToPlainText	TBuffer.cpp	1893	0x600ac4	
  8	TConsole::printOnDisplay	TConsole.cpp	1107	0x434dd3	
  9	postData	ctelnet.cpp	1356	0x44f953	
  10	cTelnet::gotPrompt	ctelnet.cpp	1281	0x44f953	
  11	cTelnet::handle_socket_signal_readyRead	ctelnet.cpp	1773	0x458476	
  12	cTelnet::qt_static_metacall	moc_ctelnet.cpp	112	0x66cffd	
  13	QMetaObject::activate(QObject*, int, int, void**)	/home/vadi/Programs/Qt5.1.1/5.1.1/gcc_64/lib/libQt5Core.so.5		0x7ffff5572261	
  14	??	/home/vadi/Programs/Qt5.1.1/5.1.1/gcc_64/lib/libQt5Network.so.5		0x7ffff60a0adf	
  15	??	/home/vadi/Programs/Qt5.1.1/5.1.1/gcc_64/lib/libQt5Network.so.5		0x7ffff60ab881	
  16	QApplicationPrivate::notify_helper(QObject*, QEvent*)	/home/vadi/Programs/Qt5.1.1/5.1.1/gcc_64/lib/libQt5Widgets.so.5		0x7ffff6467b54	
  17	QApplication::notify(QObject*, QEvent*)	/home/vadi/Programs/Qt5.1.1/5.1.1/gcc_64/lib/libQt5Widgets.so.5		0x7ffff646afe6	
  18	QCoreApplication::notifyInternal(QObject*, QEvent*)	/home/vadi/Programs/Qt5.1.1/5.1.1/gcc_64/lib/libQt5Core.so.5		0x7ffff554add4	
  19	??	/home/vadi/Programs/Qt5.1.1/5.1.1/gcc_64/lib/libQt5Core.so.5		0x7ffff55949f6	
  20	g_main_context_dispatch	/lib/x86_64-linux-gnu/libglib-2.0.so.0		0x7ffff388cd13	
  ...	<More>

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