[Webkit-unassigned] [Bug 70405] New: Safari crashed due to assert failure in WebKit::WebFrameProxy::didStartProvisionalLoad

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=70405

           Summary: Safari crashed due to assert failure in
                    WebKit::WebFrameProxy::didStartProvisionalLoad
           Product: WebKit
           Version: 528+ (Nightly build)
          Platform: Unspecified
        OS/Version: Unspecified
            Status: UNCONFIRMED
          Severity: Normal
          Priority: P2
         Component: New Bugs
        AssignedTo: webkit-unassigned at lists.webkit.org
        ReportedBy: rex_4539 at yahoo.com


Created an attachment (id=111578)
 --> (https://bugs.webkit.org/attachment.cgi?id=111578&action=review)
Crash log.

r97834

Reproducibility: once

Steps:
I opened a webpage (which I cannot share as it's classified) which is just a list of files from a build server.

What happened:
Assert failure and then Safari crashed after about a minute.

ASSERTION FAILED: m_loadState == LoadStateFinished
/Users/rex/WebKit/Source/WebKit2/UIProcess/WebFrameProxy.cpp(134) : void WebKit::WebFrameProxy::didStartProvisionalLoad(const WTF::String &)
1   0x10f7023cb WebKit::WebFrameProxy::didStartProvisionalLoad(WTF::String const&)
2   0x10f735601 WebKit::WebPageProxy::didStartProvisionalLoadForFrame(unsigned long long, WTF::String const&, WTF::String const&, CoreIPC::ArgumentDecoder*)
3   0x10f866ef3 void CoreIPC::callMemberFunction<WebKit::WebPageProxy, void (WebKit::WebPageProxy::*)(unsigned long long, WTF::String const&, WTF::String const&, CoreIPC::ArgumentDecoder*), unsigned long long, WTF::String, WTF::String>(CoreIPC::Arguments3<unsigned long long, WTF::String, WTF::String> const&, CoreIPC::ArgumentDecoder*, WebKit::WebPageProxy*, void (WebKit::WebPageProxy::*)(unsigned long long, WTF::String const&, WTF::String const&, CoreIPC::ArgumentDecoder*))
4   0x10f85945e void CoreIPC::handleMessageVariadic<Messages::WebPageProxy::DidStartProvisionalLoadForFrame, WebKit::WebPageProxy, void (WebKit::WebPageProxy::*)(unsigned long long, WTF::String const&, WTF::String const&, CoreIPC::ArgumentDecoder*)>(CoreIPC::ArgumentDecoder*, WebKit::WebPageProxy*, void (WebKit::WebPageProxy::*)(unsigned long long, WTF::String const&, WTF::String const&, CoreIPC::ArgumentDecoder*))
5   0x10f855b80 WebKit::WebPageProxy::didReceiveWebPageProxyMessage(CoreIPC::Connection*, CoreIPC::MessageID, CoreIPC::ArgumentDecoder*)
6   0x10f73444f WebKit::WebPageProxy::didReceiveMessage(CoreIPC::Connection*, CoreIPC::MessageID, CoreIPC::ArgumentDecoder*)
7   0x10f79b535 WebKit::WebProcessProxy::didReceiveMessage(CoreIPC::Connection*, CoreIPC::MessageID, CoreIPC::ArgumentDecoder*)
8   0x10f6466ec CoreIPC::Connection::dispatchMessage(CoreIPC::Connection::Message<CoreIPC::ArgumentDecoder>&)
9   0x10f648f03 CoreIPC::Connection::dispatchMessages()
10  0x10f64fd1b MemberFunctionWorkItem0<CoreIPC::Connection>::execute()
11  0x10f6aeb3f RunLoop::performWork()
12  0x10f6afa70 RunLoop::performWork(void*)
13  0x110615b51 __CFRUNLOOP_IS_CALLING_OUT_TO_A_SOURCE0_PERFORM_FUNCTION__
14  0x1106153bd __CFRunLoopDoSources0
15  0x11063c1a9 __CFRunLoopRun
16  0x11063bae6 CFRunLoopRunSpecific
17  0x1135ac3d3 RunCurrentEventLoopInMode
18  0x1135b363d ReceiveNextEventCommon
19  0x1135b34ca BlockUntilNextEventMatchingListInMode
20  0x110e343f1 _DPSNextEvent
21  0x110e33cf5 -[NSApplication nextEventMatchingMask:untilDate:inMode:dequeue:]
22  0x10cf770d3 -[BrowserApplication nextEventMatchingMask:untilDate:inMode:dequeue:]
23  0x110e3062d -[NSApplication run]
24  0x1110af80c NSApplicationMain
25  0x10d12affb SafariMain
26  0x10cf19f24

Expected result:
No assert failure, no crash.

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