[Webkit-unassigned] [Bug 182052] New: REGRESSION (r227430): ASSERTION FAILED: !self.zoomToScaleCompletionHandler in TestRunnerWKWebView::zoomToScale

bugzilla-daemon at webkit.org bugzilla-daemon at webkit.org
Wed Jan 24 08:58:21 PST 2018


https://bugs.webkit.org/show_bug.cgi?id=182052

            Bug ID: 182052
           Summary: REGRESSION (r227430): ASSERTION FAILED:
                    !self.zoomToScaleCompletionHandler in
                    TestRunnerWKWebView::zoomToScale
           Product: WebKit
           Version: WebKit Local Build
          Hardware: Unspecified
                OS: Unspecified
            Status: NEW
          Severity: Normal
          Priority: P2
         Component: New Bugs
          Assignee: webkit-unassigned at lists.webkit.org
          Reporter: ajuma at chromium.org
                CC: simon.fraser at apple.com

This regressed with https://trac.webkit.org/changeset/227430.

This is happening on the iOS Simulator Debug WK2 bot, on fast/visual-viewport/viewport-dimensions.html (but only when running multiple tests together, e.g. all of fast/visual-viewport, rather than just the one test):

ASSERTION FAILED: !self.zoomToScaleCompletionHandler
/Volumes/Data/slave/ios-simulator-11-debug/build/Tools/WebKitTestRunner/cocoa/TestRunnerWKWebView.mm(129) : -[TestRunnerWKWebView zoomToScale:animated:completionHandler:]
1   0x10c01fd6d WTFCrash
2   0x10a7789f1 -[TestRunnerWKWebView zoomToScale:animated:completionHandler:]
3   0x10a781b90 WTR::UIScriptController::zoomToScale(double, OpaqueJSValue const*)
4   0x10a739221 WTR::JSUIScriptController::zoomToScale(OpaqueJSContext const*, OpaqueJSValue*, OpaqueJSValue*, unsigned long, OpaqueJSValue const* const*, OpaqueJSValue const**)
5   0x10b0e7327 long long JSC::APICallbackFunction::call<JSC::JSCallbackFunction>(JSC::ExecState*)
6   0x7e38d9c4034
7   0x10b0636e1 llint_entry
8   0x10b0636e1 llint_entry
9   0x10b05b5f2 vmEntryToJavaScript
10  0x10b9e9c6e JSC::JITCode::execute(JSC::VM*, JSC::ProtoCallFrame*)
11  0x10b98f0cd JSC::Interpreter::executeProgram(JSC::SourceCode const&, JSC::ExecState*, JSC::JSObject*)
12  0x10bc42427 JSC::evaluate(JSC::ExecState*, JSC::SourceCode const&, JSC::JSValue, WTF::NakedPtr<JSC::Exception>&)
13  0x10bc425b0 JSC::profiledEvaluate(JSC::ExecState*, JSC::ProfilingReason, JSC::SourceCode const&, JSC::JSValue, WTF::NakedPtr<JSC::Exception>&)
14  0x10b0e5fa3 JSEvaluateScript
15  0x10a779fb4 WTR::UIScriptContext::runUIScript(WTF::String const&, unsigned int)
16  0x10a7755a9 WTR::TestInvocation::runUISideScript(OpaqueWKString const*, unsigned int)
17  0x10a7729f0 WTR::TestInvocation::runUISideScriptAfterUpdateCallback(OpaqueWKError const*, void*)
18  0x1153d9937 WKPageCallAfterNextPresentationUpdate::$_6::operator()(WebKit::CallbackBase::Error) const
19  0x1153d989a WTF::Function<void (WebKit::CallbackBase::Error)>::CallableWrapper<WKPageCallAfterNextPresentationUpdate::$_6>::call(WebKit::CallbackBase::Error)
20  0x114607b81 WTF::Function<void (WebKit::CallbackBase::Error)>::operator()(WebKit::CallbackBase::Error) const
21  0x114a8b2ba WebKit::GenericCallback<>::performCallbackWithReturnValue()
22  0x114a82b75 WebKit::GenericCallback<>::performCallback()
23  0x114a81dc2 WebKit::RemoteLayerTreeDrawingAreaProxy::commitLayerTree(WebKit::RemoteLayerTreeTransaction const&, WebKit::RemoteScrollingCoordinatorTransaction const&)
24  0x114a8dce0 void IPC::callMemberFunctionImpl<WebKit::RemoteLayerTreeDrawingAreaProxy, void (WebKit::RemoteLayerTreeDrawingAreaProxy::*)(WebKit::RemoteLayerTreeTransaction const&, WebKit::RemoteScrollingCoordinatorTransaction const&), std::__1::tuple<WebKit::RemoteLayerTreeTransaction, WebKit::RemoteScrollingCoordinatorTransaction>, 0ul, 1ul>(WebKit::RemoteLayerTreeDrawingAreaProxy*, void (WebKit::RemoteLayerTreeDrawingAreaProxy::*)(WebKit::RemoteLayerTreeTransaction const&, WebKit::RemoteScrollingCoordinatorTransaction const&), std::__1::tuple<WebKit::RemoteLayerTreeTransaction, WebKit::RemoteScrollingCoordinatorTransaction>&&, std::__1::integer_sequence<unsigned long, 0ul, 1ul>)
25  0x114a8d9f0 void IPC::callMemberFunction<WebKit::RemoteLayerTreeDrawingAreaProxy, void (WebKit::RemoteLayerTreeDrawingAreaProxy::*)(WebKit::RemoteLayerTreeTransaction const&, WebKit::RemoteScrollingCoordinatorTransaction const&), std::__1::tuple<WebKit::RemoteLayerTreeTransaction, WebKit::RemoteScrollingCoordinatorTransaction>, std::__1::integer_sequence<unsigned long, 0ul, 1ul> >(std::__1::tuple<WebKit::RemoteLayerTreeTransaction, WebKit::RemoteScrollingCoordinatorTransaction>&&, WebKit::RemoteLayerTreeDrawingAreaProxy*, void (WebKit::RemoteLayerTreeDrawingAreaProxy::*)(WebKit::RemoteLayerTreeTransaction const&, WebKit::RemoteScrollingCoordinatorTransaction const&))
26  0x114a8d7fe void IPC::handleMessage<Messages::RemoteLayerTreeDrawingAreaProxy::CommitLayerTree, WebKit::RemoteLayerTreeDrawingAreaProxy, void (WebKit::RemoteLayerTreeDrawingAreaProxy::*)(WebKit::RemoteLayerTreeTransaction const&, WebKit::RemoteScrollingCoordinatorTransaction const&)>(IPC::Decoder&, WebKit::RemoteLayerTreeDrawingAreaProxy*, void (WebKit::RemoteLayerTreeDrawingAreaProxy::*)(WebKit::RemoteLayerTreeTransaction const&, WebKit::RemoteScrollingCoordinatorTransaction const&))
27  0x114a8d594 WebKit::RemoteLayerTreeDrawingAreaProxy::didReceiveMessage(IPC::Connection&, IPC::Decoder&)
28  0x114809c28 IPC::MessageReceiverMap::dispatchMessage(IPC::Connection&, IPC::Decoder&)
29  0x1146fa5b4 WebKit::ChildProcessProxy::dispatchMessage(IPC::Connection&, IPC::Decoder&)
30  0x1151859ba WebKit::WebProcessProxy::didReceiveMessage(IPC::Connection&, IPC::Decoder&)
31  0x115185ab4 non-virtual thunk to WebKit::WebProcessProxy::didReceiveMessage(IPC::Connection&, IPC::Decoder&)

https://build.webkit.org/results/Apple%20iOS%2011%20Simulator%20Debug%20WK2%20(Tests)/r227482%20(2286)/fast/visual-viewport/viewport-dimensions-stderr.txt

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