[Webkit-unassigned] [Bug 107261] New: Crash in AccessibilityTableCell::parentTable()

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=107261

           Summary: Crash in AccessibilityTableCell::parentTable()
           Product: WebKit
           Version: 528+ (Nightly build)
          Platform: Unspecified
        OS/Version: Unspecified
            Status: NEW
          Severity: Major
          Priority: P2
         Component: Accessibility
        AssignedTo: webkit-unassigned at lists.webkit.org
        ReportedBy: svillar at igalia.com
                CC: cfleizach at apple.com, jdiggs at igalia.com,
                    mario at webkit.org


It's quite easy to get a crash when performing browsing actions on pages including tables. I always get one when doing things like:

1- go to www.amazon.com
2- input some text in the search box and click on "Go"
3- sroll down to the end of the list and click on "Next Page"

you'd get a crash like this one (release webkitgtk build):

Program received signal SIGSEGV, Segmentation fault.
0x00007ffff510a14b in WebCore::AccessibilityTableCell::parentTable() const () from ~/opt/gnome3/lib64/libwebkitgtk-3.0.so.0
(gdb) bt
#0  0x00007ffff510a14b in WebCore::AccessibilityTableCell::parentTable() const () from ~/opt/gnome3/lib64/libwebkitgtk-3.0.so.0
#1  0x00007ffff510a09d in WebCore::AccessibilityTableCell::isTableCell() const () from ~/opt/gnome3/lib64/libwebkitgtk-3.0.so.0
#2  0x00007ffff510a0dd in WebCore::AccessibilityTableCell::roleValue() const () from ~/opt/gnome3/lib64/libwebkitgtk-3.0.so.0
#3  0x00007ffff5f8d106 in webkitAccessibleDetach () from ~/opt/gnome3/lib64/libwebkitgtk-3.0.so.0
#4  0x00007ffff510de3c in WebCore::AXObjectCache::remove(unsigned int) () from ~/opt/gnome3/lib64/libwebkitgtk-3.0.so.0
#5  0x00007ffff510e05e in WebCore::AXObjectCache::remove(WebCore::RenderObject*) () from ~/opt/gnome3/lib64/libwebkitgtk-3.0.so.0
#6  0x00007ffff58bb4ac in WebCore::RenderObject::willBeDestroyed() () from ~/opt/gnome3/lib64/libwebkitgtk-3.0.so.0
#7  0x00007ffff57dbd5d in WebCore::RenderBlock::willBeDestroyed() () from ~/opt/gnome3/lib64/libwebkitgtk-3.0.so.0
#9  0x00007ffff58b1b04 in WebCore::RenderObjectChildList::destroyLeftoverChildren() () from ~/opt/gnome3/lib64/libwebkitgtk-3.0.so.0
#10 0x00007ffff58bb1fa in WebCore::RenderObject::willBeDestroyed() () from ~/opt/gnome3/lib64/libwebkitgtk-3.0.so.0
#11 0x00007ffff58b9e5d in WebCore::RenderObject::destroy() () from ~/opt/gnome3/lib64/libwebkitgtk-3.0.so.0
#12 0x00007ffff58b1b04 in WebCore::RenderObjectChildList::destroyLeftoverChildren() () from ~/opt/gnome3/lib64/libwebkitgtk-3.0.so.0
#13 0x00007ffff58bb1fa in WebCore::RenderObject::willBeDestroyed() () from ~/opt/gnome3/lib64/libwebkitgtk-3.0.so.0
#14 0x00007ffff58b9e5d in WebCore::RenderObject::destroy() () from ~/opt/gnome3/lib64/libwebkitgtk-3.0.so.0
#15 0x00007ffff58b1b04 in WebCore::RenderObjectChildList::destroyLeftoverChildren() () from ~/opt/gnome3/lib64/libwebkitgtk-3.0.so.0
#16 0x00007ffff57dbc7c in WebCore::RenderBlock::willBeDestroyed() () from ~/opt/gnome3/lib64/libwebkitgtk-3.0.so.0
#17 0x00007ffff58b9e5d in WebCore::RenderObject::destroy() () from ~/opt/gnome3/lib64/libwebkitgtk-3.0.so.0
#18 0x00007ffff58b1b04 in WebCore::RenderObjectChildList::destroyLeftoverChildren() () from ~/opt/gnome3/lib64/libwebkitgtk-3.0.so.0
#19 0x00007ffff57dbc7c in WebCore::RenderBlock::willBeDestroyed() () from ~/opt/gnome3/lib64/libwebkitgtk-3.0.so.0
#20 0x00007ffff58b9e5d in WebCore::RenderObject::destroy() () from ~/opt/gnome3/lib64/libwebkitgtk-3.0.so.0
#21 0x00007ffff58b1b04 in WebCore::RenderObjectChildList::destroyLeftoverChildren() () from ~/opt/gnome3/lib64/libwebkitgtk-3.0.so.0
#22 0x00007ffff57dbc7c in WebCore::RenderBlock::willBeDestroyed() () from ~/opt/gnome3/lib64/libwebkitgtk-3.0.so.0
#23 0x00007ffff58b9e5d in WebCore::RenderObject::destroy() () from ~/opt/gnome3/lib64/libwebkitgtk-3.0.so.0
#24 0x00007ffff5346ac2 in WebCore::Node::detach() () from ~/opt/gnome3/lib64/libwebkitgtk-3.0.so.0
#25 0x00007ffff52d6b6e in WebCore::ContainerNode::detach() () from ~/opt/gnome3/lib64/libwebkitgtk-3.0.so.0
#26 0x00007ffff5322734 in WebCore::Element::detach() () from ~/opt/gnome3/lib64/libwebkitgtk-3.0.so.0
#27 0x00007ffff53232cc in WebCore::Element::recalcStyle(WebCore::Node::StyleChange) () from ~/opt/gnome3/lib64/libwebkitgtk-3.0.so.0
#28 0x00007ffff5322fe5 in WebCore::Element::recalcStyle(WebCore::Node::StyleChange) () from ~/opt/gnome3/lib64/libwebkitgtk-3.0.so.0
#29 0x00007ffff5322fe5 in WebCore::Element::recalcStyle(WebCore::Node::StyleChange) () from ~/opt/gnome3/lib64/libwebkitgtk-3.0.so.0
#30 0x00007ffff5322fe5 in WebCore::Element::recalcStyle(WebCore::Node::StyleChange) () from ~/opt/gnome3/lib64/libwebkitgtk-3.0.so.0
#31 0x00007ffff5322fe5 in WebCore::Element::recalcStyle(WebCore::Node::StyleChange) () from ~/opt/gnome3/lib64/libwebkitgtk-3.0.so.0
#32 0x00007ffff5322fe5 in WebCore::Element::recalcStyle(WebCore::Node::StyleChange) () from ~/opt/gnome3/lib64/libwebkitgtk-3.0.so.0
#33 0x00007ffff5322fe5 in WebCore::Element::recalcStyle(WebCore::Node::StyleChange) () from ~/opt/gnome3/lib64/libwebkitgtk-3.0.so.0
#34 0x00007ffff52f72db in WebCore::Document::recalcStyle(WebCore::Node::StyleChange) () from ~/opt/gnome3/lib64/libwebkitgtk-3.0.so.0
#35 0x00007ffff52f76ce in WebCore::Document::updateStyleIfNeeded() () from ~/opt/gnome3/lib64/libwebkitgtk-3.0.so.0
#36 0x00007ffff52f8212 in WebCore::Document::updateLayout() () from ~/opt/gnome3/lib64/libwebkitgtk-3.0.so.0
#37 0x00007ffff52fa939 in WebCore::Document::updateLayoutIgnorePendingStylesheets() () from ~/opt/gnome3/lib64/libwebkitgtk-3.0.so.0
#38 0x00007ffff572590b in WebCore::DOMWindow::scrollTo(int, int) const () from ~/opt/gnome3/lib64/libwebkitgtk-3.0.so.0
#39 0x00007ffff5af5848 in WebCore::jsDOMWindowPrototypeFunctionScrollTo(JSC::ExecState*) () from ~/opt/gnome3/lib64/libwebkitgtk-3.0.so.0

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