[Webkit-unassigned] [Bug 140421] New: ASSERTION FAILED: m_uncommittedState.state == State::Committed when quickly navigating back/forward

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=140421

            Bug ID: 140421
           Summary: ASSERTION FAILED: m_uncommittedState.state ==
                    State::Committed when quickly navigating back/forward
    Classification: Unclassified
           Product: WebKit
           Version: 528+ (Nightly build)
          Hardware: Unspecified
                OS: Unspecified
            Status: NEW
          Severity: Normal
          Priority: P2
         Component: Page Loading
          Assignee: webkit-unassigned at lists.webkit.org
          Reporter: joepeck at webkit.org
                CC: andersca at apple.com, mitz at webkit.org

* SUMMARY
Assertion when quickly navigating back/forward.

* STEPS TO REPRODUCE
1. Load <http://daringfireball.net>
2. Click a link to any article (off site)
3. Rapidly go back/forward
  => ASSERT eventually

ASSERTION FAILED: m_uncommittedState.state == State::Committed
Source/WebKit2/UIProcess/PageLoadState.cpp(289) : void WebKit::PageLoadState::didFinishLoad(const Transaction::Token &)
1   0x10b270e00 WTFCrash
2   0x10d241d43 WebKit::PageLoadState::didFinishLoad(WebKit::PageLoadState::Transaction::Token const&)
3   0x10d6f2624 WebKit::WebPageProxy::didFinishLoadForFrame(unsigned long long, unsigned long long, WebKit::UserData const&)
4   0x10d78f069 void IPC::callMemberFunctionImpl<WebKit::WebPageProxy, void (WebKit::WebPageProxy::*)(unsigned long long, unsigned long long, WebKit::UserData const&), std::__1::tuple<unsigned long long, unsigned long long, WebKit::UserData>, 0ul, 1ul, 2ul>(WebKit::WebPageProxy*, void (WebKit::WebPageProxy::*)(unsigned long long, unsigned long long, WebKit::UserData const&), std::__1::tuple<unsigned long long, unsigned long long, WebKit::UserData>&&, std::index_sequence<0ul, 1ul, 2ul>)
5   0x10d78eea8 void IPC::callMemberFunction<WebKit::WebPageProxy, void (WebKit::WebPageProxy::*)(unsigned long long, unsigned long long, WebKit::UserData const&), std::__1::tuple<unsigned long long, unsigned long long, WebKit::UserData>, std::make_index_sequence<3ul> >(std::__1::tuple<unsigned long long, unsigned long long, WebKit::UserData>&&, WebKit::WebPageProxy*, void (WebKit::WebPageProxy::*)(unsigned long long, unsigned long long, WebKit::UserData const&))
6   0x10d76e696 void IPC::handleMessage<Messages::WebPageProxy::DidFinishLoadForFrame, WebKit::WebPageProxy, void (WebKit::WebPageProxy::*)(unsigned long long, unsigned long long, WebKit::UserData const&)>(IPC::MessageDecoder&, WebKit::WebPageProxy*, void (WebKit::WebPageProxy::*)(unsigned long long, unsigned long long, WebKit::UserData const&))
7   0x10d765df2 WebKit::WebPageProxy::didReceiveMessage(IPC::Connection&, IPC::MessageDecoder&)
8   0x10d768c77 non-virtual thunk to WebKit::WebPageProxy::didReceiveMessage(IPC::Connection&, IPC::MessageDecoder&)
9   0x10d17f48d IPC::MessageReceiverMap::dispatchMessage(IPC::Connection&, IPC::MessageDecoder&)
10  0x10d04c897 WebKit::ChildProcessProxy::dispatchMessage(IPC::Connection&, IPC::MessageDecoder&)
11  0x10d83779a WebKit::WebProcessProxy::didReceiveMessage(IPC::Connection&, IPC::MessageDecoder&)
12  0x10d837897 non-virtual thunk to WebKit::WebProcessProxy::didReceiveMessage(IPC::Connection&, IPC::MessageDecoder&)
13  0x10d059063 IPC::Connection::dispatchMessage(IPC::MessageDecoder&)
14  0x10d051040 IPC::Connection::dispatchMessage(std::__1::unique_ptr<IPC::MessageDecoder, std::__1::default_delete<IPC::MessageDecoder> >)
15  0x10d058e3f IPC::Connection::dispatchOneMessage()
16  0x10d06dca2 WTF::FunctionWrapper<void (IPC::Connection::*)()>::operator()(IPC::Connection*)
17  0x10d06dc25 WTF::BoundFunctionImpl<WTF::FunctionWrapper<void (IPC::Connection::*)()>, void (IPC::Connection*)>::operator()()
18  0x10d06d122 WTF::Function<void ()>::operator()() const
19  0x10d06d09c std::__1::__function::__func<WTF::Function<void ()>, std::__1::allocator<WTF::Function<void ()> >, void ()>::operator()()
20  0x10b21d3ca std::__1::function<void ()>::operator()() const
21  0x10b2aac42 WTF::RunLoop::performWork()
22  0x10b2ac054 WTF::RunLoop::performWork(void*)
23  0x7fff87d14381 __CFRUNLOOP_IS_CALLING_OUT_TO_A_SOURCE0_PERFORM_FUNCTION__
24  0x7fff87d0650d __CFRunLoopDoSources0
25  0x7fff87d05b3f __CFRunLoopRun
26  0x7fff87d05558 CFRunLoopRunSpecific
27  0x7fff8d139b4f RunCurrentEventLoopInMode
28  0x7fff8d1398ca ReceiveNextEventCommon
29  0x7fff8d13970b _BlockUntilNextEventMatchingListInModeWithFilter
30  0x7fff8e77c0ad _DPSNextEvent
31  0x7fff8e77b6b0 -[NSApplication nextEventMatchingMask:untilDate:inMode:dequeue:]

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