[Webkit-unassigned] [Bug 222021] REGRESSION(r274025-r273811): Crash under RenderLayerBacking::updateGeometry()

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=222021

Simon Fraser (smfr) <simon.fraser at apple.com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
           Assignee|webkit-unassigned at lists.web |simon.fraser at apple.com
                   |kit.org                     |

--- Comment #7 from Simon Fraser (smfr) <simon.fraser at apple.com> ---
RenderLayer 0x5f5c5c630 ensureLayerScrollableArea() made scrollableArea 0x5f5c9aaa0
RenderLayerBacking (layer 0x5f5c5c630) updateConfiguration - usesCompositedScrolling 0
RenderLayer 0x5f5c5c738 ensureLayerScrollableArea() made scrollableArea 0x5f5cc48c0
RenderLayer 0x5f5c5c840 ensureLayerScrollableArea() made scrollableArea 0x5f5cc4b40
RenderLayerBacking (layer 0x5f5c5c630) updateConfiguration - usesCompositedScrolling 0
RenderLayerBacking (layer 0x5f5c5c840) updateConfiguration - usesCompositedScrolling 1
file:///Volumes/Data/Radar%20Attachments/Problem/74414963/repro_535.html:29:20: CONSOLE LOG first offsettop;
RenderLayer 0x5f5c5c840 clearLayerScrollableArea() 0x5f5cc4b40
RenderLayer 0x5f5c5c948 ensureLayerScrollableArea() made scrollableArea 0x5f5cc4e60
RenderLayerBacking (layer 0x5f5c5c948) updateConfiguration - usesCompositedScrolling 1
file:///Volumes/Data/Radar%20Attachments/Problem/74414963/repro_535.html:31:20: CONSOLE LOG designMode on;
file:///Volumes/Data/Radar%20Attachments/Problem/74414963/repro_535.html:33:20: CONSOLE LOG appendChild;
file:///Volumes/Data/Radar%20Attachments/Problem/74414963/repro_535.html:35:20: CONSOLE LOG second offsettop;
RenderLayer 0x5f5c5ca50 ensureLayerScrollableArea() made scrollableArea 0x5f64c70a0
RenderLayerBacking (layer 0x5f5c5ca50) updateConfiguration - usesCompositedScrolling 1
RenderLayerBacking (layer 0x5f5c5c948) updateConfiguration - usesCompositedScrolling 1
file:///Volumes/Data/Radar%20Attachments/Problem/74414963/repro_535.html:37:20: CONSOLE LOG designMode off;
RenderLayer 0x5f5c5c948 clearLayerScrollableArea() 0x5f5cc4e60
ASSERTION FAILED: scrollableArea
./rendering/RenderLayerBacking.cpp(1395) : void WebCore::RenderLayerBacking::updateGeometry(const WebCore::RenderLayer *)
1   0x5ee393549 WTFCrash

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