[Webkit-unassigned] [Bug 53817] New: Crash in JSC on launch

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=53817

           Summary: Crash in JSC on launch
           Product: WebKit
           Version: 528+ (Nightly build)
          Platform: PC
        OS/Version: Mac OS X 10.5
            Status: UNCONFIRMED
          Severity: Normal
          Priority: P2
         Component: JavaScriptCore
        AssignedTo: webkit-unassigned at lists.webkit.org
        ReportedBy: rex_4539 at yahoo.com


Created an attachment (id=81299)
 --> (https://bugs.webkit.org/attachment.cgi?id=81299&action=review)
Crash log.

r77618

Reproducibility: always

Steps:
Launch WebKit.

What happened:
Crash in JSC.

Thread 0 Crashed:  Dispatch queue: com.apple.main-thread
0   com.apple.JavaScriptCore          0x0000000100894633 JSC::MarkedSpace::allocate(unsigned long) + 67
1   com.apple.JavaScriptCore          0x00000001007d31ab JSC::Heap::allocate(unsigned long) + 43
2   com.apple.WebCore                 0x00000001016f70a4 WebCore::ScriptController::createWindowShell(WebCore::DOMWrapperWorld*) + 52
3   com.apple.WebCore                 0x00000001016f72e3 WebCore::ScriptController::initScript(WebCore::DOMWrapperWorld*) + 35
4   com.apple.WebCore                 0x00000001016f784b WebCore::ScriptController::evaluateInWorld(WebCore::ScriptSourceCode const&, WebCore::DOMWrapperWorld*, WebCore::ShouldAllowXSS) + 1019
5   com.apple.WebCore                 0x00000001016f7f3c WebCore::ScriptController::evaluate(WebCore::ScriptSourceCode const&, WebCore::ShouldAllowXSS) + 60
6   com.apple.WebCore                 0x00000001016fa41e WebCore::ScriptController::executeScript(WebCore::ScriptSourceCode const&, WebCore::ShouldAllowXSS) + 142
7   com.apple.WebCore                 0x00000001017000af WebCore::ScriptElement::executeScript(WebCore::ScriptSourceCode const&) + 111
8   com.apple.WebCore                 0x00000001010697db WebCore::HTMLScriptRunner::executePendingScriptAndDispatchEvent(WebCore::PendingScript&) + 523
9   com.apple.WebCore                 0x0000000101069dc4 WebCore::HTMLScriptRunner::executeParsingBlockingScript() + 644
10  com.apple.WebCore                 0x000000010106a0f7 WebCore::HTMLScriptRunner::executeParsingBlockingScripts() + 39
11  com.apple.WebCore                 0x000000010106a139 WebCore::HTMLScriptRunner::executeScriptsWaitingForLoad(WebCore::CachedResource*) + 9
12  com.apple.WebCore                 0x000000010102150a WebCore::HTMLDocumentParser::notifyFinished(WebCore::CachedResource*) + 106
13  com.apple.WebCore                 0x0000000100d0928c WebCore::CachedScript::checkNotify() + 76
14  com.apple.WebCore                 0x0000000100d082ce WebCore::CachedResourceRequest::didFinishLoading(WebCore::SubresourceLoader*) + 190
15  com.apple.WebCore                 0x0000000101763cb2 WebCore::SubresourceLoader::didFinishLoading(double) + 50
16  com.apple.Foundation              0x00007fff826d8608 _NSURLConnectionDidFinishLoading + 113
17  com.apple.CFNetwork               0x00007fff83f181a0 URLConnectionClient::_clientDidFinishLoading(URLConnectionClient::ClientConnectionEventQueue*) + 174
18  com.apple.CFNetwork               0x00007fff83f7d9ae URLConnectionClient::ClientConnectionEventQueue::processAllEventsAndConsumePayload(XConnectionEventInfo<XClientEvent, XClientEventParams>*, long) + 254
19  com.apple.CFNetwork               0x00007fff83f7dc1a URLConnectionClient::ClientConnectionEventQueue::processAllEventsAndConsumePayload(XConnectionEventInfo<XClientEvent, XClientEventParams>*, long) + 874
20  com.apple.CFNetwork               0x00007fff83f04825 URLConnectionClient::processEvents() + 121
21  com.apple.CFNetwork               0x00007fff83f04600 MultiplexerSource::perform() + 160
22  com.apple.CoreFoundation          0x00007fff88458401 __CFRunLoopDoSources0 + 1361
23  com.apple.CoreFoundation          0x00007fff884565f9 __CFRunLoopRun + 873
24  com.apple.CoreFoundation          0x00007fff88455dbf CFRunLoopRunSpecific + 575
25  com.apple.HIToolbox               0x00007fff823467ee RunCurrentEventLoopInMode + 333
26  com.apple.HIToolbox               0x00007fff823465f3 ReceiveNextEventCommon + 310
27  com.apple.HIToolbox               0x00007fff823464ac BlockUntilNextEventMatchingListInMode + 59
28  com.apple.AppKit                  0x00007fff88845e64 _DPSNextEvent + 718
29  com.apple.AppKit                  0x00007fff888457a9 -[NSApplication nextEventMatchingMask:untilDate:inMode:dequeue:] + 155
30  com.apple.Safari                  0x00000001000162ec 0x100000000 + 90860
31  com.apple.AppKit                  0x00007fff8880b48b -[NSApplication run] + 395
32  com.apple.AppKit                  0x00007fff888041a8 NSApplicationMain + 364
33  com.apple.Safari                  0x000000010000a1b8 0x100000000 + 41400

Expected result:
WebKit does not crash.

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