[Webkit-unassigned] [Bug 181597] New: ASSERTION FAILED: m_scriptExecutionContext under WebCore::AudioContext::isPlayingAudioDidChange()

bugzilla-daemon at webkit.org bugzilla-daemon at webkit.org
Fri Jan 12 10:09:46 PST 2018


https://bugs.webkit.org/show_bug.cgi?id=181597

            Bug ID: 181597
           Summary: ASSERTION FAILED: m_scriptExecutionContext under
                    WebCore::AudioContext::isPlayingAudioDidChange()
           Product: WebKit
           Version: WebKit Nightly Build
          Hardware: Unspecified
                OS: Unspecified
            Status: NEW
          Severity: Normal
          Priority: P2
         Component: New Bugs
          Assignee: webkit-unassigned at lists.webkit.org
          Reporter: ryanhaddad at apple.com

Created attachment 331211

  --> https://bugs.webkit.org/attachment.cgi?id=331211&action=review

Crash log

This flaky assertion failure is seen on EWS bots with LayoutTest fast/history/page-cache-suspended-audiocontext.html

ASSERTION FAILED: m_scriptExecutionContext
/Volumes/Data/EWS/WebKit/Source/WebCore/Modules/webaudio/AudioContext.cpp(348) : WebCore::Document *WebCore::AudioContext::document() const
1   0x10fc920fd WTFCrash
2   0x11c407087 WebCore::AudioContext::document() const
3   0x11c420e21 WebCore::AudioContext::isPlayingAudioDidChange()::$_4::operator()() const
4   0x11c420d79 WTF::Function<void ()>::CallableWrapper<WebCore::AudioContext::isPlayingAudioDidChange()::$_4>::call()
5   0x10fcae26b WTF::Function<void ()>::operator()() const
6   0x10fcd1544 WTF::dispatchFunctionsFromMainThread()
7   0x10fcd46b1 WTF::timerFired(__CFRunLoopTimer*, void*)
8   0x7fff7d870e04 __CFRUNLOOP_IS_CALLING_OUT_TO_A_TIMER_CALLBACK_FUNCTION__
9   0x7fff7d870a93 __CFRunLoopDoTimer
10  0x7fff7d8705ea __CFRunLoopDoTimers
11  0x7fff7d867fc1 __CFRunLoopRun
12  0x7fff7d867544 CFRunLoopRunSpecific
13  0x10def88b7 runTest(std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char> > const&)
14  0x10def6d0d runTestingServerLoop()
15  0x10def62a2 dumpRenderTree(int, char const**)
16  0x10def92ed DumpRenderTreeMain(int, char const**)
17  0x10df74b32 main
18  0x7fff935b0235 start
19  0x2

Examples of recent failures on EWS:
https://bugs.webkit.org/show_bug.cgi?id=181466
https://bugs.webkit.org/show_bug.cgi?id=181510

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