[Webkit-unassigned] [Bug 170087] New: media/restore-from-page-cache.html causes NoEventDispatchAssertion::isEventAllowedInMainThread() assertion failure

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=170087

            Bug ID: 170087
           Summary: media/restore-from-page-cache.html causes
                    NoEventDispatchAssertion::isEventAllowedInMainThread()
                    assertion failure
           Product: WebKit
           Version: WebKit Nightly Build
          Hardware: All
                OS: All
            Status: NEW
          Severity: Normal
          Priority: P2
         Component: Tools / Tests
          Assignee: webkit-unassigned at lists.webkit.org
          Reporter: dbates at webkit.org
                CC: lforschler at apple.com

The test media/restore-from-page-cache.html dispatches a non-bubbling, non-cancelable DOM resize event when the page is being restored from the page cache. Following <https://trac.webkit.org/changeset/214014> (bug #169703) we assert that DOM events should not be dispatched when a page is being restored from the page cache.

[[
ASSERTION FAILED: NoEventDispatchAssertion::isEventAllowedInMainThread()
/Volumes/Data/slave/sierra-debug/build/Source/WebCore/dom/EventDispatcher.cpp(131) : bool WebCore::EventDispatcher::dispatchEvent(WebCore::Node &, WebCore::Event &)
1   0x11076682d WTFCrash
2   0x110766849 WTFCrashWithSecurityImplication
3   0x1188d7ef4 WebCore::EventDispatcher::dispatchEvent(WebCore::Node&, WebCore::Event&)
4   0x119fdda1d WebCore::Node::dispatchEvent(WebCore::Event&)
5   0x118d59d75 WebCore::HTMLMediaElement::layoutSizeChanged()::$_2::operator()() const
6   0x118d59b39 WTF::Function<void ()>::CallableWrapper<WebCore::HTMLMediaElement::layoutSizeChanged()::$_2>::call()
7   0x11805679e WTF::Function<void ()>::operator()() const
8   0x118b152b6 WebCore::FrameView::flushPostLayoutTasksQueue()
9   0x118b028a5 WebCore::FrameView::performPostLayoutTasks()
10  0x118b0939d WebCore::FrameView::layout(bool)
11  0x118b12a2a WebCore::FrameView::updateContentsSize()
12  0x1182413a0 WebCore::CachedPage::restore(WebCore::Page&)
13  0x118ad6683 WebCore::FrameLoader::commitProvisionalLoad()
14  0x118adc0f5 WebCore::FrameLoader::loadProvisionalItemFromCachedPage()
15  0x118ad44a6 WebCore::FrameLoader::continueLoadAfterNavigationPolicy(WebCore::ResourceRequest const&, WebCore::FormState*, bool, WebCore::AllowNavigationToInvalidURL)
16  0x118aeb338 WebCore::FrameLoader::loadWithDocumentLoader(WebCore::DocumentLoader*, WebCore::FrameLoadType, WebCore::FormState*, WebCore::AllowNavigationToInvalidURL)::$_4::operator()(WebCore::ResourceRequest const&, WebCore::FormState*, bool) const
17  0x118aeb2da void std::__1::__invoke_void_return_wrapper<void>::__call<WebCore::FrameLoader::loadWithDocumentLoader(WebCore::DocumentLoader*, WebCore::FrameLoadType, WebCore::FormState*, WebCore::AllowNavigationToInvalidURL)::$_4&, WebCore::ResourceRequest const&, WebCore::FormState*, bool>(WebCore::FrameLoader::loadWithDocumentLoader(WebCore::DocumentLoader*, WebCore::FrameLoadType, WebCore::FormState*, WebCore::AllowNavigationToInvalidURL)::$_4&&&, WebCore::ResourceRequest const&&&, WebCore::FormState*&&, bool&&)
18  0x118aeb219 std::__1::__function::__func<WebCore::FrameLoader::loadWithDocumentLoader(WebCore::DocumentLoader*, WebCore::FrameLoadType, WebCore::FormState*, WebCore::AllowNavigationToInvalidURL)::$_4, std::__1::allocator<WebCore::FrameLoader::loadWithDocumentLoader(WebCore::DocumentLoader*, WebCore::FrameLoadType, WebCore::FormState*, WebCore::AllowNavigationToInvalidURL)::$_4>, void (WebCore::ResourceRequest const&, WebCore::FormState*, bool)>::operator()(WebCore::ResourceRequest const&, WebCore::FormState*&&, bool&&)
19  0x11a0f21fa std::__1::function<void (WebCore::ResourceRequest const&, WebCore::FormState*, bool)>::operator()(WebCore::ResourceRequest const&, WebCore::FormState*, bool) const
20  0x11a0f20bb WebCore::PolicyCallback::call(bool)
21  0x11a0f3388 WebCore::PolicyChecker::continueAfterNavigationPolicy(WebCore::PolicyAction)
22  0x11a0f705e WebCore::PolicyChecker::checkNavigationPolicy(WebCore::ResourceRequest const&, bool, WebCore::DocumentLoader*, WebCore::FormState*, std::__1::function<void (WebCore::ResourceRequest const&, WebCore::FormState*, bool)>)::$_1::operator()(WebCore::PolicyAction) const
23  0x11a0f702f void std::__1::__invoke_void_return_wrapper<void>::__call<WebCore::PolicyChecker::checkNavigationPolicy(WebCore::ResourceRequest const&, bool, WebCore::DocumentLoader*, WebCore::FormState*, std::__1::function<void (WebCore::ResourceRequest const&, WebCore::FormState*, bool)>)::$_1&, WebCore::PolicyAction>(WebCore::PolicyChecker::checkNavigationPolicy(WebCore::ResourceRequest const&, bool, WebCore::DocumentLoader*, WebCore::FormState*, std::__1::function<void (WebCore::ResourceRequest const&, WebCore::FormState*, bool)>)::$_1&&&, WebCore::PolicyAction&&)
24  0x11a0f6fb9 std::__1::__function::__func<WebCore::PolicyChecker::checkNavigationPolicy(WebCore::ResourceRequest const&, bool, WebCore::DocumentLoader*, WebCore::FormState*, std::__1::function<void (WebCore::ResourceRequest const&, WebCore::FormState*, bool)>)::$_1, std::__1::allocator<WebCore::PolicyChecker::checkNavigationPolicy(WebCore::ResourceRequest const&, bool, WebCore::DocumentLoader*, WebCore::FormState*, std::__1::function<void (WebCore::ResourceRequest const&, WebCore::FormState*, bool)>)::$_1>, void (WebCore::PolicyAction)>::operator()(WebCore::PolicyAction&&)
25  0x122c9f12c std::__1::function<void (WebCore::PolicyAction)>::operator()(WebCore::PolicyAction) const
26  0x122ca75a0 -[WebFramePolicyListener receivedPolicyDecision:]
27  0x122ca777d -[WebFramePolicyListener use]
28  0x10ea675da -[DefaultPolicyDelegate webView:decidePolicyForNavigationAction:request:frame:decisionListener:]
29  0x7fffcfc5a6dc __invoking___
30  0x7fffcfc5a561 -[NSInvocation invoke]
31  0x7fffcfc73736 -[NSInvocation invokeWithTarget:]
]]
<https://build.webkit.org/results/Apple%20Sierra%20Debug%20WK1%20(Tests)/r214369%20(166)/media/restore-from-page-cache-crash-log.txt>

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