[Webkit-unassigned] [Bug 158164] New: REGRESSION(r201385?) LayoutTest media/track/track-remove-track.html is a flaky crash
bugzilla-daemon at webkit.org
bugzilla-daemon at webkit.org
Fri May 27 14:04:04 PDT 2016
https://bugs.webkit.org/show_bug.cgi?id=158164
Bug ID: 158164
Summary: REGRESSION(r201385?) LayoutTest
media/track/track-remove-track.html is a flaky crash
Classification: Unclassified
Product: WebKit
Version: WebKit Nightly Build
Hardware: Unspecified
OS: Unspecified
Status: NEW
Severity: Normal
Priority: P2
Component: Media Elements
Assignee: webkit-unassigned at lists.webkit.org
Reporter: ryanhaddad at apple.com
LayoutTest media/track/track-remove-track.html is a flaky crash
<https://build.webkit.org/results/Apple%20Yosemite%20Debug%20WK2%20(Tests)/r201458%20(12432)/results.html>
<http://webkit-test-results.webkit.org/dashboards/flakiness_dashboard.html#showAllRuns=true&tests=media%2Ftrack%2Ftrack-remove-track.html>
Thread 0 Crashed:: Dispatch queue: com.apple.main-thread
0 com.apple.JavaScriptCore 0x00000001124e0867 WTFCrash + 39
1 com.apple.WebCore 0x0000000115458dc8 WebCore::HTMLMediaElement::updateActiveTextTrackCues(WTF::MediaTime const&) + 5688 (HTMLMediaElement.cpp:1691)
2 com.apple.WebCore 0x000000011545cbc0 WebCore::HTMLMediaElement::endIgnoringTrackDisplayUpdateRequests() + 176 (HTMLMediaElement.cpp:1810)
3 com.apple.WebCore 0x000000011548fcfa WebCore::TrackDisplayUpdateScope::~TrackDisplayUpdateScope() + 90 (HTMLMediaElement.cpp:294)
4 com.apple.WebCore 0x00000001154728c5 WebCore::TrackDisplayUpdateScope::~TrackDisplayUpdateScope() + 21 (HTMLMediaElement.cpp:294)
5 com.apple.WebCore 0x000000011546547d WebCore::HTMLMediaElement::removeTextTrack(WebCore::TextTrack&, bool) + 205 (HTMLMediaElement.cpp:3653)
6 com.apple.WebCore 0x000000011568a2b2 WebCore::InbandTextTrack::willRemove(WebCore::TrackPrivateBase*) + 162 (InbandTextTrack.cpp:193)
7 com.apple.WebCore 0x000000011568a2ef non-virtual thunk to WebCore::InbandTextTrack::willRemove(WebCore::TrackPrivateBase*) + 47 (InbandTextTrack.cpp:193)
8 com.apple.WebCore 0x0000000115473cbd WebCore::TrackPrivateBase::willBeRemoved() + 61 (TrackPrivateBase.h:71)
9 com.apple.WebCore 0x000000011546509c WebCore::HTMLMediaElement::mediaPlayerDidRemoveTextTrack(WTF::PassRefPtr<WebCore::InbandTextTrackPrivate>) + 28 (HTMLMediaElement.cpp:3600)
10 com.apple.WebCore 0x00000001154650cc non-virtual thunk to WebCore::HTMLMediaElement::mediaPlayerDidRemoveTextTrack(WTF::PassRefPtr<WebCore::InbandTextTrackPrivate>) + 28 (HTMLMediaElement.cpp:3600)
11 com.apple.WebCore 0x0000000116044790 WebCore::MediaPlayer::removeTextTrack(WTF::PassRefPtr<WebCore::InbandTextTrackPrivate>) + 64 (MediaPlayer.cpp:1280)
12 com.apple.WebCore 0x000000011604ea3e WebCore::MediaPlayerPrivateAVFoundation::clearTextTracks() + 142 (MediaPlayerPrivateAVFoundation.cpp:973)
13 com.apple.WebCore 0x000000011605b5dc WebCore::MediaPlayerPrivateAVFoundationObjC::cancelLoad() + 348 (MediaPlayerPrivateAVFoundationObjC.mm:594)
14 com.apple.WebCore 0x000000011605a7f3 WebCore::MediaPlayerPrivateAVFoundationObjC::~MediaPlayerPrivateAVFoundationObjC() + 851 (MediaPlayerPrivateAVFoundationObjC.mm:573)
15 com.apple.WebCore 0x000000011605b3e5 WebCore::MediaPlayerPrivateAVFoundationObjC::~MediaPlayerPrivateAVFoundationObjC() + 21 (MediaPlayerPrivateAVFoundationObjC.mm:574)
16 com.apple.WebCore 0x000000011605b439 WebCore::MediaPlayerPrivateAVFoundationObjC::~MediaPlayerPrivateAVFoundationObjC() + 25 (MediaPlayerPrivateAVFoundationObjC.mm:555)
17 com.apple.WebCore 0x00000001160402e4 WebCore::MediaPlayer::~MediaPlayer() + 388 (MediaPlayer.cpp:332)
18 com.apple.WebCore 0x0000000116040325 WebCore::MediaPlayer::~MediaPlayer() + 21 (MediaPlayer.cpp:332)
19 com.apple.WebCore 0x0000000116040349 WebCore::MediaPlayer::~MediaPlayer() + 25 (MediaPlayer.cpp:330)
20 com.apple.WebCore 0x0000000115451cb3 WebCore::HTMLMediaElement::~HTMLMediaElement() + 1539 (HTMLMediaElement.cpp:567)
21 com.apple.WebCore 0x0000000115511636 WebCore::HTMLVideoElement::~HTMLVideoElement() + 438 (HTMLVideoElement.h:37)
22 com.apple.WebCore 0x0000000115510e65 WebCore::HTMLVideoElement::~HTMLVideoElement() + 21 (HTMLVideoElement.h:37)
23 com.apple.WebCore 0x0000000115510e89 WebCore::HTMLVideoElement::~HTMLVideoElement() + 25 (HTMLVideoElement.h:37)
24 com.apple.WebCore 0x00000001162142dd WebCore::Node::removedLastRef() + 93 (Node.cpp:2328)
25 com.apple.WebCore 0x000000011478417e WebCore::Node::deref() + 382 (Node.h:738)
26 com.apple.WebCore 0x000000011620cec5 WebCore::Node::derefEventTarget() + 21 (Node.cpp:725)
27 com.apple.WebCore 0x0000000114ea4c36 WebCore::EventTarget::deref() + 22 (EventTarget.h:115)
28 com.apple.WebCore 0x0000000114fc71bd WTF::Ref<WebCore::EventTarget>::~Ref() + 45 (Ref.h:60)
29 com.apple.WebCore 0x0000000114fc59f5 WTF::Ref<WebCore::EventTarget>::~Ref() + 21 (Ref.h:60)
30 com.apple.WebCore 0x0000000115a5886c WebCore::JSDOMWrapper<WebCore::EventTarget>::~JSDOMWrapper() + 28 (JSDOMWrapper.h:52)
31 com.apple.WebCore 0x0000000115a58845 WebCore::JSEventTarget::~JSEventTarget() + 21 (JSEventTarget.h:29)
32 com.apple.WebCore 0x0000000115a579a5 WebCore::JSEventTarget::~JSEventTarget() + 21 (JSEventTarget.h:29)
33 com.apple.WebCore 0x0000000115a5738d WebCore::JSEventTarget::destroy(JSC::JSCell*) + 29 (JSEventTarget.cpp:130)
34 com.apple.JavaScriptCore 0x0000000112117ed8 JSC::MarkedBlock::callDestructor(JSC::JSCell*) + 232
35 com.apple.JavaScriptCore 0x0000000112117d7b JSC::MarkedBlock::FreeList JSC::MarkedBlock::specializedSweep<(JSC::MarkedBlock::BlockState)3, (JSC::MarkedBlock::SweepMode)0, true>() + 267
36 com.apple.JavaScriptCore 0x0000000112116874 JSC::MarkedBlock::FreeList JSC::MarkedBlock::sweepHelper<true>(JSC::MarkedBlock::SweepMode) + 308
37 com.apple.JavaScriptCore 0x0000000112115ec1 JSC::MarkedBlock::sweep(JSC::MarkedBlock::SweepMode) + 113
38 com.apple.JavaScriptCore 0x0000000111dda95d JSC::IncrementalSweeper::sweepNextBlock() + 125
39 com.apple.JavaScriptCore 0x0000000111dda882 JSC::IncrementalSweeper::doSweep(double) + 34
40 com.apple.JavaScriptCore 0x0000000111dda852 JSC::IncrementalSweeper::doWork() + 34
41 com.apple.JavaScriptCore 0x0000000111dd6aae JSC::HeapTimer::timerDidFire(__CFRunLoopTimer*, void*) + 494
42 com.apple.CoreFoundation 0x00007fff8d6b12e4 __CFRUNLOOP_IS_CALLING_OUT_TO_A_TIMER_CALLBACK_FUNCTION__ + 20
43 com.apple.CoreFoundation 0x00007fff8d6b0f73 __CFRunLoopDoTimer + 1059
44 com.apple.CoreFoundation 0x00007fff8d72453d __CFRunLoopDoTimers + 301
45 com.apple.CoreFoundation 0x00007fff8d66c608 __CFRunLoopRun + 2024
46 com.apple.CoreFoundation 0x00007fff8d66bbd8 CFRunLoopRunSpecific + 296
47 com.apple.HIToolbox 0x00007fff97f4756f RunCurrentEventLoopInMode + 235
48 com.apple.HIToolbox 0x00007fff97f472ea ReceiveNextEventCommon + 431
49 com.apple.HIToolbox 0x00007fff97f4712b _BlockUntilNextEventMatchingListInModeWithFilter + 71
50 com.apple.AppKit 0x00007fff986158ab _DPSNextEvent + 978
51 com.apple.AppKit 0x00007fff98614e58 -[NSApplication nextEventMatchingMask:untilDate:inMode:dequeue:] + 346
52 com.apple.AppKit 0x00007fff9860aaf3 -[NSApplication run] + 594
53 com.apple.AppKit 0x00007fff98587244 NSApplicationMain + 1832
54 libxpc.dylib 0x00007fff96cd0928 _xpc_objc_main + 793
55 libxpc.dylib 0x00007fff96cd2030 xpc_main + 490
56 com.apple.WebKit.WebContent.Development 0x000000010dee7110 main + 800
57 libdyld.dylib 0x00007fff9825f5c9 start + 1
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