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

[bugzilla-daemon at webkit.org]

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

           Summary: Assertion in
                    TextTrack::trackIndexRelativeToRenderedTracks()
           Product: WebKit
           Version: 528+ (Nightly build)
          Platform: Unspecified
               URL: http://build.webkit.org/results/Apple%20MountainLion%2
                    0Debug%20WK1%20(Tests)/r138081%20(3961)/media/video-co
                    ntrols-captions-trackmenu-crash-log.txt
        OS/Version: Unspecified
            Status: NEW
          Keywords: MakingBotsRed
          Severity: Normal
          Priority: P2
         Component: Media Elements
        AssignedTo: webkit-unassigned at lists.webkit.org
        ReportedBy: simon.fraser at apple.com
                CC: eric.carlson at apple.com, dino at apple.com,
                    jer.noble at apple.com


CRASHING TEST: media/video-controls-captions-trackmenu.html

Process:         DumpRenderTree [47704]
Path:            /Volumes/VOLUME/*/DumpRenderTree
Identifier:      DumpRenderTree
Version:         0
Code Type:       X86-64 (Native)
Parent Process:  Python [46425]
User ID:         501

Date/Time:       2012-12-18 17:18:36.095 -0800
OS Version:      Mac OS X 10.8.2 (12C54)
Report Version:  10

Crashed Thread:  0  Dispatch queue: com.apple.main-thread

Exception Type:  EXC_BAD_ACCESS (SIGSEGV)
Exception Codes: KERN_INVALID_ADDRESS at 0x00000000bbadbeef

VM Regions Near 0xbbadbeef:
--> 
    __TEXT                 0000000104bee000-0000000104c8a000 [  624K] r-x/rwx SM=COW  /Volumes/VOLUME/*

Application Specific Information:
CRASHING TEST: media/video-controls-captions-trackmenu.html

Thread 0 Crashed:: Dispatch queue: com.apple.main-thread
0   com.apple.WebCore                 0x0000000107e81af5 WebCore::TextTrack::trackIndexRelativeToRenderedTracks() + 85 (TextTrack.cpp:332)
1   com.apple.WebCore                 0x0000000107e8317f WebCore::TextTrackCue::calculateComputedLinePosition() + 127 (TextTrackCue.cpp:578)
2   com.apple.WebCore                 0x0000000107a82c8e WebCore::RenderTextTrackCue::initializeLayoutParameters(WebCore::InlineFlowBox*&, WebCore::LayoutUnit&, WebCore::LayoutUnit&) + 318 (RenderTextTrackCue.cpp:71)
3   com.apple.WebCore                 0x0000000107a82a5e WebCore::RenderTextTrackCue::repositionCueSnapToLinesSet() + 62 (RenderTextTrackCue.cpp:203)
4   com.apple.WebCore                 0x0000000107a829ef WebCore::RenderTextTrackCue::layout() + 303 (RenderTextTrackCue.cpp:49)
5   com.apple.WebCore                 0x0000000106c23876 WebCore::RenderObject::layoutIfNeeded() + 54 (RenderObject.h:687)
6   com.apple.WebCore                 0x00000001077d9411 WebCore::RenderBlock::layoutPositionedObjects(bool) + 673 (RenderBlock.cpp:2653)
7   com.apple.WebCore                 0x00000001077d6159 WebCore::RenderBlock::layoutBlock(bool, WebCore::LayoutUnit) + 2537 (RenderBlock.cpp:1568)
8   com.apple.WebCore                 0x00000001077d4d0e WebCore::RenderBlock::layout() + 126 (RenderBlock.cpp:1360)
9   com.apple.WebCore                 0x000000010796361f WebCore::RenderTextTrackContainerElement::layout() + 31 (RenderMediaControlElements.cpp:94)
10  com.apple.WebCore                 0x0000000106c23876 WebCore::RenderObject::layoutIfNeeded() + 54 (RenderObject.h:687)
11  com.apple.WebCore                 0x00000001078a92a5 WebCore::RenderDeprecatedFlexibleBox::layoutVerticalBox(bool) + 1941 (RenderDeprecatedFlexibleBox.cpp:713)
12  com.apple.WebCore                 0x00000001078a6342 WebCore::RenderDeprecatedFlexibleBox::layoutBlock(bool, WebCore::LayoutUnit) + 1010 (RenderDeprecatedFlexibleBox.cpp:283)
13  com.apple.WebCore                 0x00000001077d4d0e WebCore::RenderBlock::layout() + 126 (RenderBlock.cpp:1360)
14  com.apple.WebCore                 0x0000000107962ec6 WebCore::RenderMedia::layout() + 1078 (RenderMedia.cpp:83)

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