Bug 18134 – Crash setting -webkit-transform on a table row

• Component: Layout and Rendering
• Status: RESOLVED FIXED

[David Smith]

Steps to reproduce:
1) put the following rules in a user stylesheet
h1, h2, h3, h4, h5, h6 { -webkit-transform: rotate(10deg); }
p { -webkit-transform: rotate(-10deg); }
tr { -webkit-transform: skew(50deg); }

2) go to arstechnica.com

r31356/10.5.2/Intel

[David Smith]

Created attachment 20115 [details]
Backtrace

First few frames:
Thread 0 Crashed:
0   com.apple.WebCore             	0x00e273ef WebCore::RenderBlock::insertPositionedObject(WebCore::RenderObject*) + 15
1   com.apple.WebCore             	0x00ffa524 WebCore::RenderBlock::layoutInlineChildren(bool, int&, int&) + 2884
2   com.apple.WebCore             	0x00e305ea WebCore::RenderBlock::layoutBlock(bool) + 714
3   com.apple.WebCore             	0x00e8d8c2 WebCore::RenderTableCell::layout() + 34
4   com.apple.WebCore             	0x00e91676 WebCore::RenderTableRow::layout() + 214

Created attachment 20226 [details]
Reduction (will crash)

Having a transform turns the table row into a containing block, but only RenderBlocks can be containing blocks.

<rdar://problem/5830746>

[Simon Fraser (smfr)]

No longer crashes on TOT. I think this was fixed in r32861.

[Simon Fraser (smfr)]

Fixed in r32861, <rdar://problem/5840475>

[Simon Fraser (smfr)]

http://trac.webkit.org/changeset/32861