Status: Untriaged
Owner: [email protected]
Labels: Type-Bug Pri-1 OS-All Area-BrowserUI Size-Medium

New issue 9666 by [email protected]: Browser crash on  
FocusManager::GetFocusManager()
http://code.google.com/p/chromium/issues/detail?id=9666

 From  
http://crash/reportdetail?reportid=1a11459b1eb7838d&product=Chrome&version=2.0.171.0&date=&signature=_FindProp-AF299A

Thread 0 *CRASHED* (EXCEPTION_ACCESS_VIOLATION @0x00755004)

0x7e42948d       [user32.dll     + 0x0001948d]   _FindProp
0x7e42941d       [user32.dll     + 0x0001941d]   _GetProp
0x7e4294e1       [user32.dll     + 0x000194e1]   GetPropW
0x01c03728       [chrome.dll     - focus_manager.cc:272]          
views::FocusManager::GetFocusManager(HWND__ *)
0x01c034e7       [chrome.dll     - focus_manager.cc:162]         
views::FocusWindowCallback
0x7e418733       [user32.dll     + 0x00008733]   InternalCallWinProc
0x7e418815       [user32.dll     + 0x00008815]   UserCallWinProcCheckWow
0x7e428e9f       [user32.dll     + 0x00018e9f]   DispatchClientMessage
0x7e428eeb       [user32.dll     + 0x00018eeb]   __fnDWORD
0x7c90e452       [ntdll.dll      + 0x0000e452]   KiUserCallbackDispatcher
0x01c034b4       [chrome.dll     - focus_manager.cc:130]         
views::RerouteMouseWheel
0x7e419401       [user32.dll     + 0x00009401]   NtUserPeekMessage
0x01a5fed5       [chrome.dll     - message_pump_win.cc:277]       
base::MessagePumpForUI::WaitForWork()
0x01a5fe07       [chrome.dll     - message_pump_win.cc:233]       
base::MessagePumpForUI::DoRunLoop()

The code (FocusManager::GetFocusManager()):

   for (focus_manager = NULL; focus_manager == NULL && IsWindow(window);
        window = GetParent(window)) {
     GetWindowThreadProcessId(window, &window_pid);
     if (current_pid != window_pid)
       break;
     focus_manager = reinterpret_cast<FocusManager*>(
         GetProp(window, kFocusManagerKey));

The crash reason is not clear to me; maybe the window is going away?

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