[Webkit-unassigned] [Bug 12476] New: ASSERTION FAILURE: ASSERT(plugin);

bugzilla-daemon at webkit.org bugzilla-daemon at webkit.org
Tue Jan 30 06:54:34 PST 2007 

http://bugs.webkit.org/show_bug.cgi?id=12476

           Summary: ASSERTION FAILURE: ASSERT(plugin);
           Product: WebKit
           Version: 420+ (nightly)
          Platform: Macintosh
        OS/Version: Mac OS X 10.4
            Status: NEW
          Keywords: NeedsReduction, Regression
          Severity: Major
          Priority: P1
         Component: Plug-ins
        AssignedTo: webkit-unassigned at lists.webkit.org
        ReportedBy: bdash at webkit.org


I have hit this assertion failure 5 times today while browsing the intarweb. 
I've tried to find steps to reproduce, but have had zero luck.  Backtrace
follows.

Exception:  EXC_BAD_ACCESS (0x0001)
Codes:      KERN_INVALID_ADDRESS (0x0001) at 0xbbadbeef

Thread 0 Crashed:
0   com.apple.WebKit            0x00418259 -[WebBaseNetscapePluginView
willCallPlugInFunction] + 69 (WebBaseNetscapePluginView.mm:1784)
1   com.apple.WebKit            0x004181b6 -[WebBaseNetscapePluginView
createPluginScriptableObject] + 64 (WebBaseNetscapePluginView.mm:1774)
2   com.apple.WebCore           0x010e3232
WebCore::getPluginInstanceForWidget(WebCore::Widget*) + 324 (FrameMac.mm:670)
3   com.apple.WebCore           0x010e32b4
WebCore::FrameMac::getObjectInstanceForWidget(WebCore::Widget*) + 14
(FrameMac.mm:691)
4   com.apple.WebCore           0x0128172e
WebCore::HTMLObjectElement::getInstance() const + 184
(HTMLObjectElement.cpp:86)
5   com.apple.WebCore           0x0125871e
KJS::getRuntimeObject(KJS::ExecState*, WebCore::Node*) + 178 (kjs_dom.cpp:1060)
6   com.apple.WebCore           0x01263c0d
KJS::JSHTMLElement::getOwnPropertySlot(KJS::ExecState*, KJS::Identifier const&,
KJS::PropertySlot&) + 453 (kjs_html.cpp:727)
7   com.apple.JavaScriptCore    0x0065bb2f
KJS::JSObject::getPropertySlot(KJS::ExecState*, KJS::Identifier const&,
KJS::PropertySlot&) + 51 (object.h:555)
8   com.apple.JavaScriptCore    0x005f94e0 KJS::JSObject::get(KJS::ExecState*,
KJS::Identifier const&) const + 38 (object.cpp:164)
9   com.apple.JavaScriptCore    0x005f0ced
KJS::DotAccessorNode::evaluate(KJS::ExecState*) + 185 (nodes.cpp:548)
10  com.apple.JavaScriptCore    0x005ed95f
KJS::BinaryLogicalNode::evaluate(KJS::ExecState*) + 41 (nodes.cpp:1297)
11  com.apple.JavaScriptCore    0x005ecfe0
KJS::IfNode::execute(KJS::ExecState*) + 148 (nodes.cpp:1685)
12  com.apple.JavaScriptCore    0x005eaf2a
KJS::SourceElementsNode::execute(KJS::ExecState*) + 566 (nodes.cpp:2455)
13  com.apple.JavaScriptCore    0x005e972c
KJS::BlockNode::execute(KJS::ExecState*) + 140 (nodes.cpp:1648)
14  com.apple.JavaScriptCore    0x005db5fe
KJS::DeclaredFunctionImp::execute(KJS::ExecState*) + 50 (function.cpp:362)
15  com.apple.JavaScriptCore    0x005dd8e1
KJS::FunctionImp::callAsFunction(KJS::ExecState*, KJS::JSObject*, KJS::List
const&) + 573 (function.cpp:111)
16  com.apple.JavaScriptCore    0x005fa158 KJS::JSObject::call(KJS::ExecState*,
KJS::JSObject*, KJS::List const&) + 210 (object.cpp:97)
17  com.apple.JavaScriptCore    0x005effdf
KJS::FunctionCallDotNode::evaluate(KJS::ExecState*) + 843 (nodes.cpp:772)
18  com.apple.JavaScriptCore    0x005ed1fc
KJS::ExprStatementNode::execute(KJS::ExecState*) + 148 (nodes.cpp:1672)
19  com.apple.JavaScriptCore    0x005eaf2a
KJS::SourceElementsNode::execute(KJS::ExecState*) + 566 (nodes.cpp:2455)
20  com.apple.JavaScriptCore    0x005e972c
KJS::BlockNode::execute(KJS::ExecState*) + 140 (nodes.cpp:1648)
21  com.apple.JavaScriptCore    0x005db5fe
KJS::DeclaredFunctionImp::execute(KJS::ExecState*) + 50 (function.cpp:362)
22  com.apple.JavaScriptCore    0x005dd8e1
KJS::FunctionImp::callAsFunction(KJS::ExecState*, KJS::JSObject*, KJS::List
const&) + 573 (function.cpp:111)
23  com.apple.JavaScriptCore    0x005fa158 KJS::JSObject::call(KJS::ExecState*,
KJS::JSObject*, KJS::List const&) + 210 (object.cpp:97)
24  com.apple.JavaScriptCore    0x005f0760
KJS::FunctionCallResolveNode::evaluate(KJS::ExecState*) + 716 (nodes.cpp:679)
25  com.apple.JavaScriptCore    0x005ed1fc
KJS::ExprStatementNode::execute(KJS::ExecState*) + 148 (nodes.cpp:1672)
26  com.apple.JavaScriptCore    0x005eadf4
KJS::SourceElementsNode::execute(KJS::ExecState*) + 256 (nodes.cpp:2449)
27  com.apple.JavaScriptCore    0x005e972c
KJS::BlockNode::execute(KJS::ExecState*) + 140 (nodes.cpp:1648)
28  com.apple.JavaScriptCore    0x005ed0f0
KJS::IfNode::execute(KJS::ExecState*) + 420 (nodes.cpp:1691)
29  com.apple.JavaScriptCore    0x005eadf4
KJS::SourceElementsNode::execute(KJS::ExecState*) + 256 (nodes.cpp:2449)
30  com.apple.JavaScriptCore    0x005e972c
KJS::BlockNode::execute(KJS::ExecState*) + 140 (nodes.cpp:1648)
31  com.apple.JavaScriptCore    0x005db5fe
KJS::DeclaredFunctionImp::execute(KJS::ExecState*) + 50 (function.cpp:362)
32  com.apple.JavaScriptCore    0x005dd8e1
KJS::FunctionImp::callAsFunction(KJS::ExecState*, KJS::JSObject*, KJS::List
const&) + 573 (function.cpp:111)
33  com.apple.JavaScriptCore    0x005fa158 KJS::JSObject::call(KJS::ExecState*,
KJS::JSObject*, KJS::List const&) + 210 (object.cpp:97)
34  com.apple.JavaScriptCore    0x005f0760
KJS::FunctionCallResolveNode::evaluate(KJS::ExecState*) + 716 (nodes.cpp:679)
35  com.apple.JavaScriptCore    0x005ed1fc
KJS::ExprStatementNode::execute(KJS::ExecState*) + 148 (nodes.cpp:1672)
36  com.apple.JavaScriptCore    0x005eadf4
KJS::SourceElementsNode::execute(KJS::ExecState*) + 256 (nodes.cpp:2449)
37  com.apple.JavaScriptCore    0x005e972c
KJS::BlockNode::execute(KJS::ExecState*) + 140 (nodes.cpp:1648)
38  com.apple.JavaScriptCore    0x005e2d51
KJS::Interpreter::evaluate(KJS::UString const&, int, KJS::UChar const*, int,
KJS::JSValue*) + 977 (interpreter.cpp:478)
39  com.apple.WebCore           0x012691e1
WebCore::KJSProxy::evaluate(WebCore::String const&, int, WebCore::String
const&, WebCore::Node*) + 319 (kjs_proxy.cpp:65)
40  com.apple.WebCore           0x013c119d
WebCore::FrameLoader::executeScript(WebCore::String const&, int,
WebCore::Node*, WebCore::String const&) + 99 (FrameLoader.cpp:700)
41  com.apple.WebCore           0x013c124b
WebCore::FrameLoader::executeScript(WebCore::Node*, WebCore::String const&,
bool) + 123 (FrameLoader.cpp:688)
42  com.apple.WebCore           0x01270316
KJS::ScheduledAction::execute(KJS::Window*) + 888 (kjs_window.cpp:1863)
43  com.apple.WebCore           0x01272c26
KJS::Window::timerFired(KJS::DOMWindowTimer*) + 402 (kjs_window.cpp:1979)
44  com.apple.WebCore           0x01272c7d KJS::DOMWindowTimer::fired() + 47
(kjs_window.cpp:2540)
45  com.apple.WebCore           0x0120bac2
WebCore::TimerBase::fireTimers(double, WTF::Vector<WebCore::TimerBase*,
(unsigned long)0> const&) + 196 (Timer.cpp:322)
46  com.apple.WebCore           0x0120bb5f
WebCore::TimerBase::sharedTimerFired() + 109 (Timer.cpp:355)
47  com.apple.WebCore           0x0120b216
WebCore::timerFired(__CFRunLoopTimer*, void*) + 22 (SharedTimerMac.cpp:47)
48  com.apple.CoreFoundation    0x90829bc9 CFRunLoopRunSpecific + 3341
49  com.apple.CoreFoundation    0x90828eb5 CFRunLoopRunInMode + 61
50  com.apple.HIToolbox         0x92dcdb90 RunCurrentEventLoopInMode + 285
51  com.apple.HIToolbox         0x92dcd297 ReceiveNextEventCommon + 385
52  com.apple.HIToolbox         0x92dcd0ee
BlockUntilNextEventMatchingListInMode + 81
53  com.apple.AppKit            0x9326f465 _DPSNextEvent + 572
54  com.apple.AppKit            0x9326f056 -[NSApplication
nextEventMatchingMask:untilDate:inMode:dequeue:] + 137
55  com.apple.Safari            0x00026335 -[BrowserApplication
nextEventMatchingMask:untilDate:inMode:dequeue:] + 202
56  com.apple.AppKit            0x93268ddb -[NSApplication run] + 512
57  com.apple.AppKit            0x9325cd2f NSApplicationMain + 573
58  com.apple.Safari            0x000bde5a main + 113
59  com.apple.Safari            0x00002caa _start + 216
60  com.apple.Safari            0x00002bd1 start + 41


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