Program received signal EXC_BAD_ACCESS, Could not access memory.
Reason: KERN_INVALID_ADDRESS at address: 0x8b18c283
0x00f3b255 in QString::fromLatin1_helper ()
(gdb) next
Single stepping until exit from function _ZN7QString17fromLatin1_helperEPKci,
which has no line number information.

Program received signal EXC_BAD_ACCESS, Could not access memory.
Reason: KERN_INVALID_ADDRESS at address: 0x8b18c283
0x00f3b255 in QString::fromLatin1_helper ()
(gdb) backtrace
#0  0x00f3b255 in QString::fromLatin1_helper ()
#1  0x00f3c489 in QString::fromAscii_helper ()
#2  0x0042118d in QString::QString (this=0xbfffd340, ch=0x8b18c283 <Address 0x8b18c283 out of bounds>) at qstring.h:426
#3  0x06300a56 in QApplicationPrivate::notify_helper ()
#4  0x06300c81 in QApplication::notify ()
#5  0x00f58422 in QCoreApplication::notifyInternal ()
#6  0x06291e48 in QApplicationPrivate::globalEventProcessor ()
#7  0x9770b13d in DispatchEventToHandlers ()
#8  0x9770a57b in SendEventToEventTargetInternal ()
#9  0x9770a3e0 in SendEventToEventTargetWithOptions ()
#10 0x97737cfc in HIObject::HandleEvent ()
#11 0x9770b649 in HIObject::EventHook ()
#12 0x9770b13d in DispatchEventToHandlers ()
#13 0x9770a57b in SendEventToEventTargetInternal ()
#14 0x97726ecc in SendEventToEventTarget ()
#15 0x977d3b9f in HandleMouseEvent ()
#16 0x9778f602 in StandardWindowEventHandler ()
#17 0x9770b13d in DispatchEventToHandlers ()
#18 0x9770a57b in SendEventToEventTargetInternal ()
#19 0x9770a3e0 in SendEventToEventTargetWithOptions ()
#20 0x97737cfc in HIObject::HandleEvent ()
#21 0x97721104 in AppleWindowDef::HandleEvent ()
#22 0x9770b649 in HIObject::EventHook ()
#23 0x9770b13d in DispatchEventToHandlers ()
#24 0x9770a57b in SendEventToEventTargetInternal ()
#25 0x9777c3d7 in CallNextEventHandler ()
#26 0x977d3b4d in HandleMouseEvent ()
#27 0x9778f602 in StandardWindowEventHandler ()
#28 0x9770b13d in DispatchEventToHandlers ()
#29 0x9770a57b in SendEventToEventTargetInternal ()
#30 0x97726ecc in SendEventToEventTarget ()
#31 0x977390a8 in ToolboxEventDispatcherHandler ()
#32 0x9770b4f6 in DispatchEventToHandlers ()
#33 0x9770a57b in SendEventToEventTargetInternal ()
#34 0x97726ecc in SendEventToEventTarget ()
#35 0x923b232e in -[NSCarbonWindow sendEvent:] ()
#36 0x9207b6a5 in -[NSApplication sendEvent:] ()
#37 0x91fd8fe7 in -[NSApplication run] ()
#38 0x91fa61d8 in NSApplicationMain ()