[Webkit-unassigned] [Bug 114328] New: REGRESSION (r147999-r148055): Crashes randomly in JSC::JSObject

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=114328

           Summary: REGRESSION (r147999-r148055): Crashes randomly in
                    JSC::JSObject
           Product: WebKit
           Version: 528+ (Nightly build)
          Platform: Macintosh Intel
        OS/Version: Mac OS X 10.8
            Status: UNCONFIRMED
          Severity: Critical
          Priority: P1
         Component: JavaScriptCore
        AssignedTo: webkit-unassigned at lists.webkit.org
        ReportedBy: kevin at rhubarbproductions.com


Process:         WebProcess [24605]
Path:            /Applications/WebKit.app/Contents/Frameworks/10.8/WebKit2.framework/WebProcess.app/Contents/MacOS/WebProcess
Identifier:      com.apple.WebProcess
Version:         537+ (537.37+)
Code Type:       X86-64 (Native)
Parent Process:  ??? [1]
User ID:         501

Date/Time:       2013-04-09 21:12:46.547 -0400
OS Version:      Mac OS X 10.8.3 (12D78)
Report Version:  10

Crashed Thread:  0  Dispatch queue: com.apple.main-thread

Exception Type:  EXC_BAD_ACCESS (SIGSEGV)
Exception Codes: KERN_INVALID_ADDRESS at 0x0000000000000009

VM Regions Near 0x9:
--> 
    __TEXT                 000000010111e000-000000010111f000 [    4K] r-x/rwx SM=COW  /Applications/WebKit.app/Contents/Frameworks/10.8/WebKit2.framework/WebProcess.app/Contents/MacOS/WebProcess

Application Specific Information:
Bundle controller class:
BrowserBundleController


Thread 0 Crashed:: Dispatch queue: com.apple.main-thread
0   com.apple.JavaScriptCore          0x000000010174fdd0 JSC::JSObject::put(JSC::JSCell*, JSC::ExecState*, JSC::PropertyName, JSC::JSValue, JSC::PutPropertySlot&) + 256
1   com.apple.JavaScriptCore          0x000000010173bac9 JSC::JSFunction::put(JSC::JSCell*, JSC::ExecState*, JSC::PropertyName, JSC::JSValue, JSC::PutPropertySlot&) + 377
2   com.apple.JavaScriptCore          0x000000010179bf2d llint_slow_path_put_by_val + 1213
3   com.apple.JavaScriptCore          0x00000001017a3856 llint_op_put_by_val + 562
4   com.apple.JavaScriptCore          0x00000001016c9bae JSC::Interpreter::execute(JSC::ProgramExecutable*, JSC::ExecState*, JSC::JSObject*) + 4318
5   com.apple.JavaScriptCore          0x00000001015e390b JSC::evaluate(JSC::ExecState*, JSC::SourceCode const&, JSC::JSValue, JSC::JSValue*) + 619
6   com.apple.WebCore                 0x000000010254f88a WebCore::ScriptController::evaluateInWorld(WebCore::ScriptSourceCode const&, WebCore::DOMWrapperWorld*) + 442
7   com.apple.WebCore                 0x000000010254fa19 WebCore::ScriptController::evaluate(WebCore::ScriptSourceCode const&) + 41
8   com.apple.WebCore                 0x0000000102558f6d WebCore::ScriptElement::executeScript(WebCore::ScriptSourceCode const&) + 525
9   com.apple.WebCore                 0x0000000101e446e4 WebCore::HTMLScriptRunner::executePendingScriptAndDispatchEvent(WebCore::PendingScript&) + 228
10  com.apple.WebCore                 0x0000000101e445e1 WebCore::HTMLScriptRunner::executeParsingBlockingScript() + 273
11  com.apple.WebCore                 0x0000000101e44cc8 WebCore::HTMLScriptRunner::executeParsingBlockingScripts() + 24
12  com.apple.WebCore                 0x0000000101df0cff WebCore::HTMLDocumentParser::notifyFinished(WebCore::CachedResource*) + 63
13  com.apple.WebCore                 0x0000000101ab60bd WebCore::CachedResource::checkNotify() + 93
14  com.apple.WebCore                 0x0000000102627250 WebCore::SubresourceLoader::didFinishLoading(double) + 128
15  com.apple.Foundation              0x00007fff8a4cd528 __65-[NSURLConnectionInternal _withConnectionAndDelegate:onlyActive:]_block_invoke_0 + 28
16  com.apple.Foundation              0x00007fff8a4cd46c -[NSURLConnectionInternal _withConnectionAndDelegate:onlyActive:] + 227
17  com.apple.Foundation              0x00007fff8a4cd368 -[NSURLConnectionInternal _withActiveConnectionAndDelegate:] + 63
18  com.apple.CFNetwork               0x00007fff8cf205c1 ___delegate_didFinishLoading_block_invoke_0 + 40
19  com.apple.CFNetwork               0x00007fff8cf12a7a ___withDelegateAsync_block_invoke_0 + 90
20  com.apple.CFNetwork               0x00007fff8cfa32ea __block_global_1 + 28
21  com.apple.CoreFoundation          0x00007fff8f394154 CFArrayApplyFunction + 68
22  com.apple.CFNetwork               0x00007fff8cf037e4 RunloopBlockContext::perform() + 124
23  com.apple.CFNetwork               0x00007fff8cf036bb MultiplexerSource::perform() + 221
24  com.apple.CoreFoundation          0x00007fff8f375b31 __CFRUNLOOP_IS_CALLING_OUT_TO_A_SOURCE0_PERFORM_FUNCTION__ + 17
25  com.apple.CoreFoundation          0x00007fff8f375455 __CFRunLoopDoSources0 + 245
26  com.apple.CoreFoundation          0x00007fff8f3987f5 __CFRunLoopRun + 789
27  com.apple.CoreFoundation          0x00007fff8f3980e2 CFRunLoopRunSpecific + 290
28  com.apple.HIToolbox               0x00007fff8bf66eb4 RunCurrentEventLoopInMode + 209
29  com.apple.HIToolbox               0x00007fff8bf66c52 ReceiveNextEventCommon + 356
30  com.apple.HIToolbox               0x00007fff8bf66ae3 BlockUntilNextEventMatchingListInMode + 62
31  com.apple.AppKit                  0x00007fff90949563 _DPSNextEvent + 685
32  com.apple.AppKit                  0x00007fff90948e22 -[NSApplication nextEventMatchingMask:untilDate:inMode:dequeue:] + 128
33  com.apple.AppKit                  0x00007fff909401d3 -[NSApplication run] + 517
34  com.apple.WebCore                 0x000000010254613d WebCore::RunLoop::run() + 77
35  com.apple.WebKit2                 0x000000010120162d int WebKit::ChildProcessMain<WebKit::WebProcess, WebKit::WebContentProcessMainDelegate>(int, char**) + 631
36  com.apple.WebProcess              0x000000010111ee43 main + 307
37  libdyld.dylib                     0x00007fff8a81c7e1 start + 1

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