[Webkit-unassigned] [Bug 105371] Assertion in TextTrack::trackIndexRelativeToRenderedTracks()

Wed Dec 19 11:11:53 PST 2012

https://bugs.webkit.org/show_bug.cgi?id=105371


--- Comment #2 from Simon Fraser (smfr) <simon.fraser at apple.com>  2012-12-19 11:14:08 PST ---
This is followed by a crash in Release:

http://build.webkit.org/results/Apple%20Lion%20Release%20WK1%20(Tests)/r138178%20(7486)/media/video-controls-captions-trackmenu-crash-log.txt

Exception Type:  EXC_BAD_ACCESS (SIGSEGV)
Exception Codes: KERN_INVALID_ADDRESS at 0x0000000000000258

VM Regions Near 0x258:
--> 
    __TEXT                 00000001016d8000-0000000101738000 [  384K] r-x/rwx SM=COW  /Volumes/VOLUME/*

Application Specific Information:
CRASHING TEST: media/video-controls-captions-trackmenu.html
objc[93675]: garbage collection is OFF

Thread 0 Crashed:: Dispatch queue: com.apple.main-thread
0   com.apple.WebCore                 0x00000001024b7a9b WebCore::HTMLMediaElement::textTracks() + 27 (RefPtr.h:66)
1   com.apple.WebCore                 0x0000000102d271fd WebCore::TextTrack::trackIndexRelativeToRenderedTracks() + 29 (TextTrack.cpp:335)
2   com.apple.WebCore                 0x0000000102d2811d WebCore::TextTrackCue::calculateComputedLinePosition() + 45 (TextTrackCue.cpp:584)
3   com.apple.WebCore                 0x0000000102b3b1b2 WebCore::RenderTextTrackCue::initializeLayoutParameters(WebCore::InlineFlowBox*&, WebCore::LayoutUnit&, WebCore::LayoutUnit&) + 130 (RenderTextTrackCue.cpp:74)

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