[Webkit-unassigned] [Bug 19659] Turning off plugins causes crash

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=19659


webkit at mattlilek.com changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |andersca at apple.com,
                   |                            |webkit at mattlilek.com
             Status|UNCONFIRMED                 |NEW
     Ever Confirmed|0                           |1




------- Comment #3 from webkit at mattlilek.com  2008-06-18 20:15 PDT -------
OK, I'm definitely seeing crashes now that I tinker a bit more though I don't
have the same backtrace as the one attached.  I can get it to crash reliably in
mouseMoved code, but not in anything keyUp related.  I will assume the two have
the same root cause for now, but Ben please post what you're doing step-by-step
so we can split this out if necessary.

1. Load <http://youtube.com/>
2. View a video and let it start playing
3. Open preferences and disable plugins
4. Close prefs window

Thread 0 Crashed:
0   com.apple.WebKit                    0x0019d74d -[WebBaseNetscapePluginView
handleMouseMoved:] + 15 (WebBaseNetscapePluginView.mm:890)
1   com.apple.WebKit                    0x001cfe9a
NetscapePluginWidget::handleEvent(WebCore::Event*) + 128
(WebFrameLoaderClient.mm:1243)
2   com.apple.WebCore                   0x02725e18
WebCore::HTMLPlugInElement::defaultEventHandler(WebCore::Event*) + 116
(HTMLPlugInElement.cpp:166)
3   com.apple.WebCore                   0x0265f6ff
WebCore::EventTarget::dispatchGenericEvent(WebCore::EventTargetNode*,
WTF::PassRefPtr<WebCore::Event>, int&, bool) + 1867 (EventTarget.cpp:260)
4   com.apple.WebCore                   0x0266018a
WebCore::EventTargetNode::dispatchEvent(WTF::PassRefPtr<WebCore::Event>, int&,
bool) + 364 (EventTargetNode.cpp:132)
5   com.apple.WebCore                   0x02660d9a
WebCore::EventTargetNode::dispatchMouseEvent(WebCore::AtomicString const&, int,
int, int, int, int, int, bool, bool, bool, bool, bool, WebCore::Node*,
WTF::PassRefPtr<WebCore::Event>) + 760 (EventTargetNode.cpp:306)
6   com.apple.WebCore                   0x026615b3
WebCore::EventTargetNode::dispatchMouseEvent(WebCore::PlatformMouseEvent
const&, WebCore::AtomicString const&, int, WebCore::Node*) + 497
(EventTargetNode.cpp:224)
7   com.apple.WebCore                   0x02653b7f
WebCore::EventHandler::updateMouseEventTargetNode(WebCore::Node*,
WebCore::PlatformMouseEvent const&, bool) + 545 (EventHandler.cpp:1267)
8   com.apple.WebCore                   0x026562b5
WebCore::EventHandler::dispatchMouseEvent(WebCore::AtomicString const&,
WebCore::Node*, bool, int, WebCore::PlatformMouseEvent const&, bool) + 59
(EventHandler.cpp:1275)
9   com.apple.WebCore                   0x02657303
WebCore::EventHandler::handleMouseMoveEvent(WebCore::PlatformMouseEvent const&,
WebCore::HitTestResult*) + 1783 (EventHandler.cpp:1048)
10  com.apple.WebCore                   0x0265739b
WebCore::EventHandler::mouseMoved(WebCore::PlatformMouseEvent const&) + 61
(EventHandler.cpp:950)
11  com.apple.WebCore                   0x0265c437
WebCore::EventHandler::mouseMoved(NSEvent*) + 363 (EventHandlerMac.mm:627)
12  com.apple.WebKit                    0x001ea30b -[WebHTMLView(WebPrivate)
_updateMouseoverWithEvent:] + 1225 (WebHTMLView.mm:1438)
13  com.apple.WebKit                    0x001e2c12 -[WebHTMLView
mouseMovedNotification:] + 98 (WebHTMLView.mm:3284)
14  com.apple.Foundation                0x9040054a _nsnote_callback + 106
15  com.apple.CoreFoundation            0x944649ba __CFXNotificationPost + 362
16  com.apple.CoreFoundation            0x94464c93
_CFXNotificationPostNotification + 179
17  com.apple.Foundation                0x903fd7b0 -[NSNotificationCenter
postNotificationName:object:userInfo:] + 128
18  com.apple.AppKit                    0x92d533a8 -[NSResponder
_postEventNotification:] + 299
19  com.apple.AppKit                    0x92d53046 forwardMethod + 208
20  com.apple.AppKit                    0x92d52fe7 forwardMethod + 113
21  com.apple.AppKit                    0x92d52fe7 forwardMethod + 113
22  com.apple.AppKit                    0x92d52fe7 forwardMethod + 113
23  com.apple.AppKit                    0x92d52fe7 forwardMethod + 113
24  com.apple.AppKit                    0x92d52fe7 forwardMethod + 113
25  com.apple.AppKit                    0x92d52fe7 forwardMethod + 113
26  com.apple.AppKit                    0x92d52fe7 forwardMethod + 113
27  com.apple.AppKit                    0x92d52fe7 forwardMethod + 113
28  com.apple.AppKit                    0x92cc74c5 -[NSWindow sendEvent:] +
8511
29  com.apple.Safari                    0x000296d3 0x1000 + 165587
30  com.apple.AppKit                    0x92c93b1d -[NSApplication sendEvent:]
+ 4713
31  com.apple.Safari                    0x00029250 0x1000 + 164432
32  com.apple.AppKit                    0x92bf0e27 -[NSApplication run] + 847
33  com.apple.AppKit                    0x92bbe030 NSApplicationMain + 574
34  com.apple.Safari                    0x000b4de6 0x1000 + 736742


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