[Webkit-unassigned] [Bug 175164] New: com.apple.WebCore:WebCore::RealtimeOutgoingAudioSource::isReachingBufferedAudioDataHighLimit() + 222

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=175164

            Bug ID: 175164
           Summary: com.apple.WebCore:WebCore::RealtimeOutgoingAudioSource
                    ::isReachingBufferedAudioDataHighLimit() + 222
           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: jlewis3 at apple.com
                CC: webkit-bug-importer at group.apple.com, youennf at gmail.com

The test webrtc/audio-peer-connection-webaudio.html has become a flaky crash on Sierra, El Capitan, and iOS simulator Debug tests according to the dashboard.

https://webkit-test-results.webkit.org/dashboards/flakiness_dashboard.html#showAllRuns=true&tests=webrtc%2Faudio-peer-connection-webaudio.html

https://build.webkit.org/builders/Apple%20Sierra%20Debug%20WK2%20(Tests)/builds/2330
https://build.webkit.org/results/Apple%20Sierra%20Debug%20WK2%20(Tests)/r220178%20(2330)/results.html

The change that caused the failure is most likely: https://trac.webkit.org/changeset/219377/webkit

ASSERTION FAILED: writtenAudioDuration >= readAudioDuration
/Volumes/Data/slave/sierra-debug/build/Source/WebCore/platform/mediastream/mac/RealtimeOutgoingAudioSource.cpp(124) : bool WebCore::RealtimeOutgoingAudioSource::isReachingBufferedAudioDataHighLimit()
1   0x109fd736d WTFCrash
2   0x1133be0fe WebCore::RealtimeOutgoingAudioSource::isReachingBufferedAudioDataHighLimit()
3   0x1133be47c WebCore::RealtimeOutgoingAudioSource::audioSamplesAvailable(WTF::MediaTime const&, WebCore::PlatformAudioData const&, WebCore::AudioStreamDescription const&, unsigned long)
4   0x1133bea39 WebCore::RealtimeOutgoingAudioSource::audioSamplesAvailable(WebCore::MediaStreamTrackPrivate&, WTF::MediaTime const&, WebCore::PlatformAudioData const&, WebCore::AudioStreamDescription const&, unsigned long)
5   0x1133becac non-virtual thunk to WebCore::RealtimeOutgoingAudioSource::audioSamplesAvailable(WebCore::MediaStreamTrackPrivate&, WTF::MediaTime const&, WebCore::PlatformAudioData const&, WebCore::AudioStreamDescription const&, unsigned long)
6   0x11314cebe WebCore::MediaStreamTrackPrivate::audioSamplesAvailable(WTF::MediaTime const&, WebCore::PlatformAudioData const&, WebCore::AudioStreamDescription const&, unsigned long)
7   0x1133aace7 WebCore::RealtimeMediaSource::audioSamplesAvailable(WTF::MediaTime const&, WebCore::PlatformAudioData const&, WebCore::AudioStreamDescription const&, unsigned long)
8   0x1131d7bf9 WebCore::MockRealtimeAudioSourceMac::emitSampleBuffers(unsigned int)
9   0x1131d897b WebCore::MockRealtimeAudioSourceMac::render(double)
10  0x1131d69b9 WebCore::MockRealtimeAudioSource::tick()
11  0x1131d74c5 WTF::RunLoop::Timer<WebCore::MockRealtimeAudioSource>::fired()
12  0x10a027921 WTF::RunLoop::TimerBase::timerFired(__CFRunLoopTimer*, void*)
13  0x7fffafbf4e04 __CFRUNLOOP_IS_CALLING_OUT_TO_A_TIMER_CALLBACK_FUNCTION__
14  0x7fffafbf4a93 __CFRunLoopDoTimer
15  0x7fffafbf45ea __CFRunLoopDoTimers
16  0x7fffafbebfc1 __CFRunLoopRun
17  0x7fffafbeb544 CFRunLoopRunSpecific
18  0x7fffaf14bebc RunCurrentEventLoopInMode
19  0x7fffaf14bcf1 ReceiveNextEventCommon
20  0x7fffaf14bb26 _BlockUntilNextEventMatchingListInModeWithFilter
21  0x7fffad6e4a54 _DPSNextEvent
22  0x7fffade607ee -[NSApplication(NSEvent) _nextEventMatchingEventMask:untilDate:inMode:dequeue:]
23  0x7fffad6d93db -[NSApplication run]
24  0x7fffad6a3e0e NSApplicationMain
25  0x7fffc5b7c8c7 _xpc_objc_main
26  0x7fffc5b7b2e4 xpc_main
27  0x103613105 main
28  0x7fffc5923235 start
29  0x1
LEAK: 4 WebPageProxy

-- 
You are receiving this mail because:
You are the assignee for the bug.
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://lists.webkit.org/pipermail/webkit-unassigned/attachments/20170803/a808158d/attachment.html>