181169 - crash dereferencing null focus controller

Status: VERIFIED DUPLICATE of bug 343953

(Core :: DOM: Core & HTML, defect)

Description

[timeless]

I think i was live skin switching.

            win->GetRootFocusController(getter_AddRefs(focusController));
            PRBool isActive = PR_FALSE;
            focusController->GetActive(&isActive);

-	focusController	{...}
\+	mRawPtr	0x00000000

*** Forcing reframe! ***
WEBSHELL- = 4
WARNING: DropTimeout proceeding without context., file
i:/build/mozilla/dom/src/base/nsGlobalWindow.cpp, line 4792
WEBSHELL- = 3
###!!! ASSERTION: You can't dereference a NULL nsCOMPtr with operator->().:
'mRawPtr != 0', file ../../../dist/include/x
pcom\nsCOMPtr.h, line 650
Break: at file ../../../dist/include/xpcom\nsCOMPtr.h, line 650

nsDebug::Assertion(const char * 0x01aa3b84 `string', const char * 0x01aa3bc8
`string', const char * 0x01aa60f8 `string', int 650) line 280 + 13 bytes
nsDebug::PreCondition(const char * 0x01aa3b84 `string', const char * 0x01aa3bc8
`string', const char * 0x01aa60f8 `string', int 650) line 439 + 21 bytes
nsCOMPtr<nsIFocusController>::operator->() line 650 + 34 bytes
nsGenericHTMLElement::HandleDOMEventForAnchors(nsIContent * 0x041cbe78,
nsIPresContext * 0x040b0e28, nsEvent * 0x0012f7ec, nsIDOMEvent * * 0x0012f424,
unsigned int 2, nsEventStatus * 0x0012f5e8) line 1459 + 18 bytes
nsHTMLAnchorElement::HandleDOMEvent(nsHTMLAnchorElement * const 0x041cbe78,
nsIPresContext * 0x040b0e28, nsEvent * 0x0012f7ec, nsIDOMEvent * * 0x0012f424,
unsigned int 2, nsEventStatus * 0x0012f5e8) line 359
nsGenericElement::HandleDOMEvent(nsGenericElement * const 0x041b3188,
nsIPresContext * 0x040b0e28, nsEvent * 0x0012f7ec, nsIDOMEvent * * 0x0012f424,
unsigned int 2, nsEventStatus * 0x0012f5e8) line 2123 + 58 bytes
nsGenericDOMDataNode::HandleDOMEvent(nsGenericDOMDataNode * const 0x041cc238,
nsIPresContext * 0x040b0e28, nsEvent * 0x0012f7ec, nsIDOMEvent * * 0x0012f424,
unsigned int 7, nsEventStatus * 0x0012f5e8) line 834 + 38 bytes
PresShell::HandleEventInternal(nsEvent * 0x0012f7ec, nsIView * 0x04230080,
unsigned int 1, nsEventStatus * 0x0012f5e8) line 6217 + 41 bytes
PresShell::HandleEvent(PresShell * const 0x041c477c, nsIView * 0x04230080,
nsGUIEvent * 0x0012f7ec, nsEventStatus * 0x0012f5e8, int 0, int & 1) line 6134 +
25 bytes
nsViewManager::HandleEvent(nsView * 0x04211740, nsGUIEvent * 0x0012f7ec, int 0)
line 2211
nsView::HandleEvent(nsViewManager * 0x040b0770, nsGUIEvent * 0x0012f7ec, int 0)
line 304
nsViewManager::DispatchEvent(nsViewManager * const 0x040b0770, nsGUIEvent *
0x0012f7ec, nsEventStatus * 0x0012f6ec) line 1945 + 23 bytes
HandleEvent(nsGUIEvent * 0x0012f7ec) line 83
nsWindow::DispatchEvent(nsWindow * const 0x042117fc, nsGUIEvent * 0x0012f7ec,
nsEventStatus & nsEventStatus_eIgnore) line 1070 + 10 bytes
nsWindow::DispatchWindowEvent(nsGUIEvent * 0x0012f7ec) line 1091
nsWindow::DispatchMouseEvent(unsigned int 302, unsigned int 1, nsPoint *
0x00000000) line 5282 + 21 bytes
ChildWindow::DispatchMouseEvent(unsigned int 302, unsigned int 1, nsPoint *
0x00000000) line 5539
nsWindow::ProcessMessage(unsigned int 513, unsigned int 1, long 21430653, long *
0x0012fc48) line 4014 + 28 bytes
nsWindow::WindowProc(HWND__ * 0x001b036e, unsigned int 513, unsigned int 1, long
21430653) line 1339 + 27 bytes
USER32! 77e13eb0()
USER32! 77e1401a()
USER32! 77e13f0f()
nsAppShellService::Run(nsAppShellService * const 0x00f4f798) line 472
main1(int 1, char * * 0x002847a0, nsISupports * 0x00276eb8) line 1541 + 32 bytes
main(int 1, char * * 0x002847a0) line 1902 + 37 bytes
mainCRTStartup() line 338 + 17 bytes
KERNEL32! 77e87903()

Comment 1

[timeless]

Attachment: check for focus controller

Comment 2

[Olli Pettay [:smaug][[e-mail]]]

*** This bug has been marked as a duplicate of 343953 ***