[Webkit-unassigned] [Bug 101172] New: Crash in chrome_52ef0000!WebCore::RenderBox::styleDidChange+0x243.

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=101172

           Summary: Crash in
                    chrome_52ef0000!WebCore::RenderBox::styleDidChange+0x2
                    43.
           Product: WebKit
           Version: 528+ (Nightly build)
          Platform: All
               URL: http://code.google.com/p/chromium/issues/detail?id=127
                    964
        OS/Version: All
            Status: UNCONFIRMED
          Severity: Minor
          Priority: P2
         Component: Layout and Rendering
        AssignedTo: webkit-unassigned at lists.webkit.org
        ReportedBy: mithro at mithis.com


Program received signal SIGSEGV, Segmentation fault.
[Switching to Thread 0x7fffe422b700 (LWP 1717)]
0x00005555573e97a2 in WebCore::IntSize::width (this=0x88) at out/Debug/obj/gen/webcore_headers/IntSize.h:67
67          int width() const { return m_width; }
(gdb) bt
#0  0x00005555573e97a2 in WebCore::IntSize::width (this=0x88) at out/Debug/obj/gen/webcore_headers/IntSize.h:67
#1  0x0000555558781a9b in WebCore::RenderLayer::scrollXOffset (this=0x0) at third_party/WebKit/Source/WebCore/rendering/RenderLayer.h:332
#2  0x00005555587b9ce3 in WebCore::RenderBox::styleDidChange (this=0x7fffe00558d8, diff=WebCore::StyleDifferenceLayout, oldStyle=0x7fffe005a000) at third_party/WebKit/Source/WebCore/rendering/RenderBox.cpp:230
#3  0x000055555875065c in WebCore::RenderBlock::styleDidChange (this=0x7fffe00558d8, diff=WebCore::StyleDifferenceLayout, oldStyle=0x7fffe005a000) at third_par
ty/WebKit/Source/WebCore/rendering/RenderBlock.cpp:327
#4  0x00005555588ac82b in WebCore::RenderScrollbarPart::styleDidChange (this=0x7fffe00558d8, diff=WebCore::StyleDifferenceLayout, oldStyle=0x7fffe005a000) at third_party/WebKit/Source/WebCore/rendering/RenderScrollbarPart.cpp:144
#5  0x0000555558891014 in WebCore::RenderObject::setStyle (this=0x7fffe00558d8, style=...) at third_party/WebKit/Source/WebCore/rendering/RenderObject.cpp:1786
#6  0x00005555588a8e86 in WebCore::RenderScrollbar::updateScrollbarPart (this=0x7fffe1115000, partType=WebCore::ScrollbarBGPart, destroy=false) at third_party/
WebKit/Source/WebCore/rendering/RenderScrollbar.cpp:282
#7  0x00005555588a87db in WebCore::RenderScrollbar::updateScrollbarParts (this=0x7fffe1115000, destroy=false) at third_party/WebKit/Source/WebCore/rendering/Re
nderScrollbar.cpp:184
#8  0x00005555588a846f in WebCore::RenderScrollbar::styleChanged (this=0x7fffe1115000) at third_party/WebKit/Source/WebCore/rendering/RenderScrollbar.cpp:109
#9  0x0000555558843903 in WebCore::RenderLayer::styleChanged (this=0x7fffe1115dd8, oldStyle=0x7fffe0053b40) at third_party/WebKit/Source/WebCore/rendering/RenderLayer.cpp:4935
#10 0x0000555558868306 in WebCore::RenderLayerModelObject::styleDidChange (this=0x7fffe11465c8, diff=WebCore::StyleDifferenceEqual, oldStyle=0x7fffe0053b40) at
 third_party/WebKit/Source/WebCore/rendering/RenderLayerModelObject.cpp:160
#11 0x00005555587b9acd in WebCore::RenderBox::styleDidChange (this=0x7fffe11465c8, diff=WebCore::StyleDifferenceEqual, oldStyle=0x7fffe0053b40) at third_party/WebKit/Source/WebCore/rendering/RenderBox.cpp:209
#12 0x000055555875065c in WebCore::RenderBlock::styleDidChange (this=0x7fffe11465c8, diff=WebCore::StyleDifferenceEqual, oldStyle=0x7fffe0053b40) at third_part
y/WebKit/Source/WebCore/rendering/RenderBlock.cpp:327

...

(gdb) up
#1  0x0000555558781a9b in WebCore::RenderLayer::scrollXOffset (this=0x0) at third_party/WebKit/Source/WebCore/rendering/RenderLayer.h:332
332         int scrollXOffset() const { return m_scrollOffset.width() + scrollOrigin().x(); }
(gdb) up
#2  0x00005555587b9ce3 in WebCore::RenderBox::styleDidChange (this=0x7fffe00558d8, diff=WebCore::StyleDifferenceLayout, oldStyle=0x7fffe005a000) at third_party
/WebKit/Source/WebCore/rendering/RenderBox.cpp:230
230             if (int left = layer()->scrollXOffset()) {
(gdb) p layer()
$1 = (class WebCore::RenderLayer *) 0x0
(gdb) p hasLayer()
$2 = false
(gdb)

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