[Webkit-unassigned] [Bug 20516] New: [Regression] Safari crashes when trying to use "Filter messages like these"

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=20516

           Summary: [Regression] Safari crashes when trying to use "Filter
                    messages like these"
           Product: WebKit
           Version: 526+ (Nightly build)
          Platform: Macintosh
        OS/Version: Mac OS X 10.5
            Status: UNCONFIRMED
          Severity: Normal
          Priority: P2
         Component: New Bugs
        AssignedTo: webkit-unassigned at lists.webkit.org
        ReportedBy: ismail at namtrac.org


Select a message, click "Filter messages like these" from actions dropdown box
and Safari crash, a recent regression on ToT, backtrace is :

Thread 0 Crashed:
0   com.apple.JavaScriptCore            0x00425e12
KJS::Machine::retrieveArguments(KJS::ExecState*, KJS::JSFunction*) const + 34
(Machine.cpp:2975)
1   com.apple.JavaScriptCore            0x0042d69e
KJS::Machine::privateExecute(KJS::Machine::ExecutionFlag, KJS::ExecState*,
KJS::RegisterFile*, KJS::Register*, KJS::ScopeChainNode*, KJS::CodeBlock*,
KJS::JSValue**) + 24830 (PropertySlot.h:60)
2   com.apple.JavaScriptCore            0x00431942
KJS::Machine::execute(KJS::ProgramNode*, KJS::ExecState*, KJS::ScopeChainNode*,
KJS::JSObject*, KJS::JSValue**) + 450 (Machine.cpp:791)
3   com.apple.JavaScriptCore            0x003fded1
KJS::Interpreter::evaluate(KJS::ExecState*, KJS::ScopeChain&, KJS::UString
const&, int, WTF::PassRefPtr<KJS::SourceProvider>, KJS::JSValue*) + 289
(interpreter.cpp:85)
4   com.apple.WebCore                   0x01724d26
WebCore::ScriptController::evaluate(WebCore::String const&, int,
WebCore::String const&) + 230 (ScriptController.cpp:115)
5   com.apple.WebCore                   0x01386959
WebCore::FrameLoader::executeScript(WebCore::String const&, int,
WebCore::String const&) + 121 (FrameLoader.cpp:792)
6   com.apple.WebCore                   0x013f1674
WebCore::HTMLTokenizer::scriptExecution(WebCore::String const&,
WebCore::HTMLTokenizer::State, WebCore::String const&, int) + 244
(HTMLTokenizer.h:321)
7   com.apple.WebCore                   0x013f53e3
WebCore::HTMLTokenizer::scriptHandler(WebCore::HTMLTokenizer::State) + 3459
(HTMLTokenizer.cpp:498)
8   com.apple.WebCore                   0x013f70e1
WebCore::HTMLTokenizer::parseSpecial(WebCore::SegmentedString&,
WebCore::HTMLTokenizer::State) + 2369 (HTMLTokenizer.cpp:344)
9   com.apple.WebCore                   0x013f9cce
WebCore::HTMLTokenizer::parseTag(WebCore::SegmentedString&,
WebCore::HTMLTokenizer::State) + 8798 (HTMLTokenizer.cpp:1566)
10  com.apple.WebCore                   0x013fa94a
WebCore::HTMLTokenizer::write(WebCore::SegmentedString const&, bool) + 1162
(HTMLTokenizer.cpp:1747)
11  com.apple.WebCore                   0x01374c28
WebCore::FrameLoader::write(char const*, int, bool) + 424 (Deque.h:335)
12  com.apple.WebCore                   0x013750c7
WebCore::FrameLoader::addData(char const*, int) + 39 (FrameLoader.cpp:1867)
13  com.apple.WebKit                    0x001bf069 -[WebFrame(WebInternal)
_receivedData:textEncodingName:] + 137 (RefPtr.h:50)
14  com.apple.WebKit                    0x001cc748 -[WebHTMLRepresentation
receivedData:withDataSource:] + 264 (WebHTMLRepresentation.mm:165)
15  com.apple.WebKit                    0x001b2beb -[WebDataSource(WebInternal)
_receivedData:] + 91 (WebDataSource.mm:220)
16  com.apple.WebKit                    0x001c6ec9
WebFrameLoaderClient::committedLoad(WebCore::DocumentLoader*, char const*, int)
+ 137 (WebFrameLoaderClient.mm:709)
17  com.apple.WebCore                   0x01316996
WebCore::DocumentLoader::commitLoad(char const*, int) + 70 (RefPtr.h:50)
18  com.apple.WebCore                   0x01620055
WebCore::ResourceLoader::didReceiveData(char const*, int, long long, bool) + 69
(ResourceLoader.cpp:255)
19  com.apple.WebCore                   0x0154fc97
WebCore::MainResourceLoader::didReceiveData(char const*, int, long long, bool)
+ 71 (RefPtr.h:50)
20  com.apple.WebCore                   0x0161fb08
WebCore::ResourceLoader::didReceiveData(WebCore::ResourceHandle*, char const*,
int, int) + 56 (ResourceLoader.cpp:394)
21  com.apple.Foundation                0x9073ee27
-[NSURLConnection(NSURLConnectionReallyInternal)
sendDidReceiveData:originalLength:] + 119
22  com.apple.Foundation                0x9073ed71
_NSURLConnectionDidReceiveData + 177
23  com.apple.CFNetwork                 0x950066df sendDidReceiveDataCallback +
518
24  com.apple.CFNetwork                 0x95003c22
_CFURLConnectionSendCallbacks + 1586
25  com.apple.CFNetwork                 0x95003573 muxerSourcePerform + 283
26  com.apple.CoreFoundation            0x96421615 CFRunLoopRunSpecific + 3141
27  com.apple.CoreFoundation            0x96421cf8 CFRunLoopRunInMode + 88
28  com.apple.HIToolbox                 0x94967da4 RunCurrentEventLoopInMode +
283
29  com.apple.HIToolbox                 0x94967bbd ReceiveNextEventCommon + 374
30  com.apple.HIToolbox                 0x94967a31
BlockUntilNextEventMatchingListInMode + 106
31  com.apple.AppKit                    0x922f1505 _DPSNextEvent + 657
32  com.apple.AppKit                    0x922f0db8 -[NSApplication
nextEventMatchingMask:untilDate:inMode:dequeue:] + 128
33  com.apple.Safari                    0x00007b3e 0x1000 + 27454
34  com.apple.AppKit                    0x922e9df3 -[NSApplication run] + 795
35  com.apple.AppKit                    0x922b7030 NSApplicationMain + 574
36  com.apple.Safari                    0x000b2776 0x1000 + 726902


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