[Webkit-unassigned] [Bug 129148] New: ASSERTION FAILED: span >= 1

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=129148

           Summary: ASSERTION FAILED: span >= 1
           Product: WebKit
           Version: 528+ (Nightly build)
          Platform: Unspecified
        OS/Version: Unspecified
            Status: NEW
          Severity: Normal
          Priority: P2
         Component: HTML DOM
        AssignedTo: webkit-unassigned at lists.webkit.org
        ReportedBy: borbezs at inf.u-szeged.hu
                CC: rtakacs at inf.u-szeged.hu


Created an attachment (id=224849)
 --> (https://bugs.webkit.org/attachment.cgi?id=224849&action=review)
Test case

The failing test case:

<table>
    <colgroup span="0">
    <th></th>
    </colgroup>
</table>

ASSERTION FAILED: span >= 1
/home/bzsolt/webkit/EflWebKit1/Source/WebCore/rendering/RenderTable.cpp(874) : WebCore::RenderTableCol* WebCore::RenderTable::slowColElement(unsigned int, bool*, bool*) const

Backtrace:

#0  0x00007ffff5ec5f62 in WTFCrash () at /home/bzsolt/webkit/EflWebKit1/Source/WTF/wtf/Assertions.cpp:333
#1  0x00007ffff15d876d in WebCore::RenderTable::slowColElement (this=0x1043970, col=0, startEdge=0x0, endEdge=0x0)
    at /home/bzsolt/webkit/EflWebKit1/Source/WebCore/rendering/RenderTable.cpp:874
#2  0x00007ffff13fdc22 in WebCore::RenderTable::colElement (this=0x1043970, col=0, startEdge=0x0, endEdge=0x0)
    at /home/bzsolt/webkit/EflWebKit1/Source/WebCore/rendering/RenderTable.h:216
#3  0x00007ffff13fdcf6 in WebCore::RenderTableCell::styleOrColLogicalWidth (this=0x107c0c0)
    at /home/bzsolt/webkit/EflWebKit1/Source/WebCore/rendering/RenderTableCell.h:93
#4  0x00007ffff14546f2 in WebCore::RenderBlock::computeIntrinsicLogicalWidths (this=0x107c0c0, minLogicalWidth=..., 
    maxLogicalWidth=...) at /home/bzsolt/webkit/EflWebKit1/Source/WebCore/rendering/RenderBlock.cpp:3869
#5  0x00007ffff1454972 in WebCore::RenderBlock::computePreferredLogicalWidths (this=0x107c0c0)
    at /home/bzsolt/webkit/EflWebKit1/Source/WebCore/rendering/RenderBlock.cpp:3893
#6  0x00007ffff15df0d9 in WebCore::RenderTableCell::computePreferredLogicalWidths (this=0x107c0c0)
    at /home/bzsolt/webkit/EflWebKit1/Source/WebCore/rendering/RenderTableCell.cpp:177
#7  0x00007ffff14a8cc5 in WebCore::RenderBox::minPreferredLogicalWidth (this=0x107c0c0)
    at /home/bzsolt/webkit/EflWebKit1/Source/WebCore/rendering/RenderBox.cpp:956
#8  0x00007ffff13f970d in WebCore::AutoTableLayout::recalcColumn (this=0x1047d40, effCol=0)
    at /home/bzsolt/webkit/EflWebKit1/Source/WebCore/rendering/AutoTableLayout.cpp:76
#9  0x00007ffff13f9fab in WebCore::AutoTableLayout::fullRecalc (this=0x1047d40)
    at /home/bzsolt/webkit/EflWebKit1/Source/WebCore/rendering/AutoTableLayout.cpp:179
#10 0x00007ffff13fa22e in WebCore::AutoTableLayout::computeIntrinsicLogicalWidths (this=0x1047d40, minWidth=..., 
    maxWidth=...) at /home/bzsolt/webkit/EflWebKit1/Source/WebCore/rendering/AutoTableLayout.cpp:214
#11 0x00007ffff15d7e05 in WebCore::RenderTable::computeIntrinsicLogicalWidths (this=0x1043970, minWidth=..., 
    maxWidth=...) at /home/bzsolt/webkit/EflWebKit1/Source/WebCore/rendering/RenderTable.cpp:752
#12 0x00007ffff15d7e6b in WebCore::RenderTable::computePreferredLogicalWidths (this=0x1043970)
    at /home/bzsolt/webkit/EflWebKit1/Source/WebCore/rendering/RenderTable.cpp:761
#13 0x00007ffff14a8d27 in WebCore::RenderBox::maxPreferredLogicalWidth (this=0x1043970)
    at /home/bzsolt/webkit/EflWebKit1/Source/WebCore/rendering/RenderBox.cpp:968
#14 0x00007ffff15d4c4b in WebCore::RenderTable::updateLogicalWidth (this=0x1043970)
    at /home/bzsolt/webkit/EflWebKit1/Source/WebCore/rendering/RenderTable.cpp:292
#15 0x00007ffff15d5b43 in WebCore::RenderTable::layout (this=0x1043970)
    at /home/bzsolt/webkit/EflWebKit1/Source/WebCore/rendering/RenderTable.cpp:431

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