[Webkit-unassigned] [Bug 82374] New: media/track/track-delete-during-setup.html is crashing on debug chromium bots

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=82374

           Summary: media/track/track-delete-during-setup.html is crashing
                    on debug chromium bots
           Product: WebKit
           Version: 528+ (Nightly build)
          Platform: Unspecified
        OS/Version: Unspecified
            Status: NEW
          Severity: Normal
          Priority: P2
         Component: Tools / Tests
        AssignedTo: webkit-unassigned at lists.webkit.org
        ReportedBy: dpranke at chromium.org
                CC: eric.carlson at apple.com, scherkus at chromium.org,
                    eae at chromium.org


http://test-results.appspot.com/dashboards/flakiness_dashboard.html#tests=media%2Ftrack%2Ftrack-delete-during-setup.html

e.g.:

crash log for DumpRenderTree (pid 59250):
STDOUT: <empty>
STDERR: SHOULD NEVER BE REACHED
STDERR: third_party/WebKit/Source/WebCore/html/track/LoadableTextTrack.cpp(147) : size_t WebCore::LoadableTextTrack::trackElementIndex()
STDERR: 1   0x1055971
STDERR: 2   0x105ad60
STDERR: 3   0xf9093a
STDERR: 4   0xfc0f1e
STDERR: 5   0x6b5475
STDERR: 6   0x6b38fe
STDERR: 7   0x73efcc
STDERR: 8   0x132b229
STDERR: 9   0xb2bcdd
STDERR: 10  0xb26774
STDERR: 11  0xb26745
STDERR: 12  0x2394a280618e
STDERR: [59250:59250:18391688772239:ERROR:process_util_posix.cc(142)] Received signal 11
STDERR:     base::debug::StackTrace::StackTrace() [0x857dea]
STDERR:     base::(anonymous namespace)::StackDumpSignalHandler() [0x8119cd]
STDERR:     0x7f1c92354af0
STDERR:     WebCore::LoadableTextTrack::trackElementIndex() [0x105597b]
STDERR:     WebCore::TextTrackList::append() [0x105ad60]
STDERR:     WebCore::HTMLMediaElement::didAddTrack() [0xf9093a]
STDERR:     WebCore::HTMLTrackElement::insertedIntoTree() [0xfc0f1e]
STDERR:     WebCore::notifyChildInserted() [0x6b5475]
STDERR:     WebCore::ContainerNode::appendChild() [0x6b38fe]
STDERR:     WebCore::Node::appendChild() [0x73efcc]
STDERR:     WebCore::V8Node::appendChildCallback() [0x132b229]
STDERR:     v8::internal::HandleApiCallHelper<>() [0xb2bcdd]
STDERR:     v8::internal::Builtin_Impl_HandleApiCall() [0xb26774]
STDERR:     v8::internal::Builtin_HandleApiCall() [0xb26745]
STDERR:     0x2394a280618e

Eric, Emil tells me you might've been working in this area and seen this crash before? he mentioned you had track-related changes in r111581 and 111941 ?

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