[Webkit-unassigned] [Bug 113020] [Mac] [WK2] REGRESSION(r146518?): Web Inspector: inspector/profiler/cpu-profiler-profile-removal.html intermittently assertion failure

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=113020





--- Comment #1 from Ryosuke Niwa <rniwa at webkit.org>  2013-03-22 01:24:28 PST ---
e.g.
http://build.webkit.org/results/Apple%20MountainLion%20Debug%20WK2%20(Tests)/r146567%20(8064)/results.html

Exception Type:  EXC_BAD_ACCESS (SIGSEGV)
Exception Codes: KERN_INVALID_ADDRESS at 0x00000000bbadbeef

VM Regions Near 0xbbadbeef:
--> 
    __TEXT                 0000000108fa2000-0000000108fcf000 [  180K] r-x/rwx SM=COW  /Volumes/VOLUME/*

Thread 0 Crashed:: Dispatch queue: com.apple.main-thread
0   com.apple.WebKit2                 0x000000010aa423d1 WebKit::WebInspectorProxy::open() + 81 (WebInspectorProxy.cpp:386)
1   com.apple.WebKit2                 0x000000010aa43110 WebKit::WebInspectorProxy::bringToFront() + 80 (WebInspectorProxy.cpp:427)
2   com.apple.WebKit2                 0x000000010aa51a13 void CoreIPC::callMemberFunction<WebKit::WebInspectorProxy, void (WebKit::WebInspectorProxy::*)()>(CoreIPC::Arguments0 const&, WebKit::WebInspectorProxy*, void (WebKit::WebInspectorProxy::*)()) + 131 (HandleMessage.h:16)
3   com.apple.WebKit2                 0x000000010aa51219 void CoreIPC::handleMessage<Messages::WebInspectorProxy::BringToFront, WebKit::WebInspectorProxy, void (WebKit::WebInspectorProxy::*)()>(CoreIPC::MessageDecoder&, WebKit::WebInspectorProxy*, void (WebKit::WebInspectorProxy::*)()) + 105 (HandleMessage.h:341)
4   com.apple.WebKit2                 0x000000010aa50c37 WebKit::WebInspectorProxy::didReceiveMessage(CoreIPC::Connection*, CoreIPC::MessageDecoder&) + 295 (WebInspectorProxyMessageReceiver.cpp:48)
5   com.apple.WebKit2                 0x000000010aa50ff7 non-virtual thunk to WebKit::WebInspectorProxy::didReceiveMessage(CoreIPC::Connection*, CoreIPC::MessageDecoder&) + 55
6   com.apple.WebKit2                 0x000000010a849097 CoreIPC::MessageReceiverMap::dispatchMessage(CoreIPC::Connection*, CoreIPC::MessageDecoder&) + 519 (MessageReceiverMap.cpp:87)
7   com.apple.WebKit2                 0x000000010a79b1c7 WebKit::ChildProcessProxy::dispatchMessage(CoreIPC::Connection*, CoreIPC::MessageDecoder&) + 55 (ChildProcessProxy.cpp:107)
8   com.apple.WebKit2                 0x000000010ab7502a WebKit::WebProcessProxy::didReceiveMessage(CoreIPC::Connection*, CoreIPC::MessageDecoder&) + 58 (WebProcessProxy.cpp:362)
9   com.apple.WebKit2                 0x000000010ab75147 non-virtual thunk to WebKit::WebProcessProxy::didReceiveMessage(CoreIPC::Connection*, CoreIPC::MessageDecoder&) + 55
10  com.apple.WebKit2                 0x000000010a7a30b3 CoreIPC::Connection::dispatchMessage(CoreIPC::MessageDecoder&) + 51 (Connection.cpp:758)
11  com.apple.WebKit2                 0x000000010a79f89a CoreIPC::Connection::dispatchMessage(WTF::PassOwnPtr<CoreIPC::MessageDecoder>) + 218 (Connection.cpp:780)
12  com.apple.WebKit2                 0x000000010a7a304b CoreIPC::Connection::dispatchOneMessage() + 203 (Connection.cpp:806)
13  com.apple.WebKit2                 0x000000010a7ae6c2 WTF::FunctionWrapper<void (CoreIPC::Connection::*)()>::operator()(CoreIPC::Connection*) + 114 (Functional.h:218)
14  com.apple.WebKit2                 0x000000010a7ae645 WTF::BoundFunctionImpl<WTF::FunctionWrapper<void (CoreIPC::Connection::*)()>, void (CoreIPC::Connection*)>::operator()() + 53 (Functional.h:496)
15  com.apple.WebCore                 0x000000010d3e6149 WTF::Function<void ()>::operator()() const + 137 (Functional.h:704)
16  com.apple.WebCore                 0x000000010d3e5e0f WebCore::RunLoop::performWork() + 207 (RunLoop.cpp:93)
17  com.apple.WebCore                 0x000000010d3e716e WebCore::RunLoop::performWork(void*) + 62 (RunLoopCF.cpp:66)
18  com.apple.CoreFoundation          0x00007fff89badb31 __CFRUNLOOP_IS_CALLING_OUT_TO_A_SOURCE0_PERFORM_FUNCTION__ + 17
19  com.apple.CoreFoundation          0x00007fff89bad455 __CFRunLoopDoSources0 + 245
20  com.apple.CoreFoundation          0x00007fff89bd07f5 __CFRunLoopRun + 789

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