<?xml version="1.0" encoding="UTF-8" standalone="yes" ?>
<!DOCTYPE bugzilla SYSTEM "https://bugs.webkit.org/page.cgi?id=bugzilla.dtd">

<bugzilla version="5.0.4.1"
          urlbase="https://bugs.webkit.org/"
          
          maintainer="admin@webkit.org"
>

    <bug>
          <bug_id>130352</bug_id>
          
          <creation_ts>2014-03-17 11:46:47 -0700</creation_ts>
          <short_desc>ASSERTION FAILED: (!child-&gt;renderer() || child-&gt;inNamedFlow()) || current.shadowRoot() in WebCore::Style::attachChildren</short_desc>
          <delta_ts>2016-08-03 14:04:43 -0700</delta_ts>
          <reporter_accessible>1</reporter_accessible>
          <cclist_accessible>1</cclist_accessible>
          <classification_id>1</classification_id>
          <classification>Unclassified</classification>
          <product>WebKit</product>
          <component>CSS</component>
          <version>528+ (Nightly build)</version>
          <rep_platform>Unspecified</rep_platform>
          <op_sys>Unspecified</op_sys>
          <bug_status>RESOLVED</bug_status>
          <resolution>WORKSFORME</resolution>
          
          
          <bug_file_loc></bug_file_loc>
          <status_whiteboard></status_whiteboard>
          <keywords></keywords>
          <priority>P2</priority>
          <bug_severity>Normal</bug_severity>
          <target_milestone>---</target_milestone>
          
          <blocked>116980</blocked>
          <everconfirmed>1</everconfirmed>
          <reporter name="Renata Hodovan">rhodovan.u-szeged</reporter>
          <assigned_to name="Nobody">webkit-unassigned</assigned_to>
          <cc>bfulgham</cc>
    
    <cc>kling</cc>
    
    <cc>koivisto</cc>
          

      

      

      

          <comment_sort_order>oldest_to_newest</comment_sort_order>  
          <long_desc isprivate="0" >
    <commentid>991323</commentid>
    <comment_count>0</comment_count>
      <attachid>226943</attachid>
    <who name="Renata Hodovan">rhodovan.u-szeged</who>
    <bug_when>2014-03-17 11:46:47 -0700</bug_when>
    <thetext>Created attachment 226943
Test case

The test evoking the above assertion does not make too much sense but it reproduces the crash with 100% certainty. Since the test contains many filling &apos;A&apos; characters, I don&apos;t paste it here but you can find it in the attachment.

Backtrace:

ASSERTION FAILED: (!child-&gt;renderer() || child-&gt;inNamedFlow()) || current.shadowRoot()
/home/reni2/data/REPOS/webkit_sec/Source/WebCore/style/StyleResolveTree.cpp(435) : void WebCore::Style::attachChildren(WebCore::ContainerNode&amp;, WebCore::ContainerNode&amp;)
1   0x7ffff5ed5075 WTFCrash
2   0x7ffff1a83541
3   0x7ffff1a8373d
4   0x7ffff1a83c3c
5   0x7ffff1a84314
6   0x7ffff1a848b1
7   0x7ffff1a846be
8   0x7ffff1a8493d
9   0x7ffff1a84a71
10  0x7ffff1a84a71
11  0x7ffff1a84d08 WebCore::Style::resolveTree(WebCore::Document&amp;, WebCore::Style::Change)
12  0x7ffff0f7bea4 WebCore::Document::recalcStyle(WebCore::Style::Change)
13  0x7ffff0f7c159 WebCore::Document::updateStyleIfNeeded()
14  0x7ffff0f7c257 WebCore::Document::updateLayout()
15  0x7ffff18d0e96 WebCore::RenderLayer::hitTest(WebCore::HitTestRequest const&amp;, WebCore::HitTestLocation const&amp;, WebCore::HitTestResult&amp;)
16  0x7ffff1994988 WebCore::RenderView::hitTest(WebCore::HitTestRequest const&amp;, WebCore::HitTestLocation const&amp;, WebCore::HitTestResult&amp;)
17  0x7ffff199494d WebCore::RenderView::hitTest(WebCore::HitTestRequest const&amp;, WebCore::HitTestResult&amp;)
18  0x7ffff0f804d1 WebCore::Document::prepareMouseEvent(WebCore::HitTestRequest const&amp;, WebCore::LayoutPoint const&amp;, WebCore::PlatformMouseEvent const&amp;)
19  0x7ffff14ff2f4 WebCore::EventHandler::prepareMouseEvent(WebCore::HitTestRequest const&amp;, WebCore::PlatformMouseEvent const&amp;)
20  0x7ffff14fd330 WebCore::EventHandler::handleMouseMoveEvent(WebCore::PlatformMouseEvent const&amp;, WebCore::HitTestResult*, bool)
21  0x7ffff14fce57 WebCore::EventHandler::mouseMoved(WebCore::PlatformMouseEvent const&amp;)
22  0x7ffff7b48056 ewk_frame_feed_mouse_move
23  0x7ffff7b5cbef
24  0x7ffff7b5d5c5
25  0x7ffff6ca7272 evas_object_event_callback_call
26  0x7ffff6ca73b9 evas_object_event_callback_call
27  0x7ffff6cab382
28  0x7fffeb98fc36 ecore_event_evas_mouse_move
29  0x7ffff78d50e7 _ecore_event_call
30  0x7ffff78d9479
31  0x7ffff78d99c7 ecore_main_loop_begin

Program received signal SIGSEGV, Segmentation fault.
0x00007ffff5ed507a in WTFCrash () at /home/reni2/data/REPOS/webkit_sec/Source/WTF/wtf/Assertions.cpp:333
333	    *(int *)(uintptr_t)0xbbadbeef = 0;
(gdb) bt
#0  0x00007ffff5ed507a in WTFCrash () at /home/reni2/data/REPOS/webkit_sec/Source/WTF/wtf/Assertions.cpp:333
#1  0x00007ffff1a83541 in WebCore::Style::attachChildren (current=..., renderingParentNode=...)
    at /home/reni2/data/REPOS/webkit_sec/Source/WebCore/style/StyleResolveTree.cpp:435
#2  0x00007ffff1a8373d in WebCore::Style::attachDistributedChildren (insertionPoint=..., renderingParentNode=...)
    at /home/reni2/data/REPOS/webkit_sec/Source/WebCore/style/StyleResolveTree.cpp:468
#3  0x00007ffff1a83c3c in WebCore::Style::attachRenderTree (current=..., renderingParentNode=..., resolvedStyle=...)
    at /home/reni2/data/REPOS/webkit_sec/Source/WebCore/style/StyleResolveTree.cpp:553
#4  0x00007ffff1a84314 in WebCore::Style::resolveLocal (current=..., renderingParentNode=..., inheritedChange=WebCore::Style::Force)
    at /home/reni2/data/REPOS/webkit_sec/Source/WebCore/style/StyleResolveTree.cpp:679
#5  0x00007ffff1a848b1 in WebCore::Style::resolveTree (current=..., renderingParentNode=..., change=WebCore::Style::Force)
    at /home/reni2/data/REPOS/webkit_sec/Source/WebCore/style/StyleResolveTree.cpp:826
#6  0x00007ffff1a846be in WebCore::Style::resolveShadowTree (shadowRoot=..., change=WebCore::Style::Force)
    at /home/reni2/data/REPOS/webkit_sec/Source/WebCore/style/StyleResolveTree.cpp:734
#7  0x00007ffff1a8493d in WebCore::Style::resolveTree (current=..., renderingParentNode=..., change=WebCore::Style::Force)
    at /home/reni2/data/REPOS/webkit_sec/Source/WebCore/style/StyleResolveTree.cpp:834
#8  0x00007ffff1a84a71 in WebCore::Style::resolveTree (current=..., renderingParentNode=..., change=WebCore::Style::Force)
    at /home/reni2/data/REPOS/webkit_sec/Source/WebCore/style/StyleResolveTree.cpp:858
#9  0x00007ffff1a84a71 in WebCore::Style::resolveTree (current=..., renderingParentNode=..., change=WebCore::Style::Force)
    at /home/reni2/data/REPOS/webkit_sec/Source/WebCore/style/StyleResolveTree.cpp:858
#10 0x00007ffff1a84d08 in WebCore::Style::resolveTree (document=..., change=WebCore::Style::Force)
    at /home/reni2/data/REPOS/webkit_sec/Source/WebCore/style/StyleResolveTree.cpp:899
#11 0x00007ffff0f7bea4 in WebCore::Document::recalcStyle (this=0x74f390, change=WebCore::Style::Force)
    at /home/reni2/data/REPOS/webkit_sec/Source/WebCore/dom/Document.cpp:1770
#12 0x00007ffff0f7c159 in WebCore::Document::updateStyleIfNeeded (this=0x74f390)
    at /home/reni2/data/REPOS/webkit_sec/Source/WebCore/dom/Document.cpp:1818
#13 0x00007ffff0f7c257 in WebCore::Document::updateLayout (this=0x74f390) at /home/reni2/data/REPOS/webkit_sec/Source/WebCore/dom/Document.cpp:1837
#14 0x00007ffff18d0e96 in WebCore::RenderLayer::hitTest (this=0x9e2b70, request=..., hitTestLocation=..., result=...)
    at /home/reni2/data/REPOS/webkit_sec/Source/WebCore/rendering/RenderLayer.cpp:4594
#15 0x00007ffff1994988 in WebCore::RenderView::hitTest (this=0x8a68d0, request=..., location=..., result=...)
    at /home/reni2/data/REPOS/webkit_sec/Source/WebCore/rendering/RenderView.cpp:101
#16 0x00007ffff199494d in WebCore::RenderView::hitTest (this=0x8a68d0, request=..., result=...)
    at /home/reni2/data/REPOS/webkit_sec/Source/WebCore/rendering/RenderView.cpp:96
#17 0x00007ffff0f804d1 in WebCore::Document::prepareMouseEvent (this=0x74f390, request=..., documentPoint=..., event=...)
    at /home/reni2/data/REPOS/webkit_sec/Source/WebCore/dom/Document.cpp:3008
#18 0x00007ffff14ff2f4 in WebCore::EventHandler::prepareMouseEvent (this=0x77daf0, request=..., mev=...)
    at /home/reni2/data/REPOS/webkit_sec/Source/WebCore/page/EventHandler.cpp:2258
#19 0x00007ffff14fd330 in WebCore::EventHandler::handleMouseMoveEvent (this=0x77daf0, mouseEvent=..., hoveredNode=0x7fffffffc450, 
    onlyUpdateScrollbars=false) at /home/reni2/data/REPOS/webkit_sec/Source/WebCore/page/EventHandler.cpp:1820
#20 0x00007ffff14fce57 in WebCore::EventHandler::mouseMoved (this=0x77daf0, event=...)
    at /home/reni2/data/REPOS/webkit_sec/Source/WebCore/page/EventHandler.cpp:1737
#21 0x00007ffff7b48056 in ewk_frame_feed_mouse_move (ewkFrame=0x775570, moveEvent=0x7fffffffc7e0)
    at /home/reni2/data/REPOS/webkit_sec/Source/WebKit/efl/ewk/ewk_frame.cpp:953
#22 0x00007ffff7b5cbef in _ewk_view_smart_mouse_move (smartData=0x943930, moveEvent=0x7fffffffc7e0)
    at /home/reni2/data/REPOS/webkit_sec/Source/WebKit/efl/ewk/ewk_view.cpp:521
#23 0x00007ffff7b5d5c5 in _ewk_view_on_mouse_move (data=0x943930, eventInfo=0x7fffffffc7e0)
    at /home/reni2/data/REPOS/webkit_sec/Source/WebKit/efl/ewk/ewk_view.cpp:637
#24 0x00007ffff6ca7272 in evas_object_event_callback_call (obj=0x774db0, type=type@entry=EVAS_CALLBACK_MOUSE_MOVE, 
    event_info=event_info@entry=0x7fffffffc7e0, event_id=event_id@entry=486) at evas_callbacks.c:232
#25 0x00007ffff6ca73b9 in evas_object_event_callback_call (obj=obj@entry=0x775380, type=type@entry=EVAS_CALLBACK_MOUSE_MOVE, 
    event_info=event_info@entry=0x7fffffffc7e0, event_id=event_id@entry=486) at evas_callbacks.c:261
#26 0x00007ffff6cab382 in evas_event_feed_mouse_move (e=0x8a9210, x=536, y=547, timestamp=&lt;optimized out&gt;, data=&lt;optimized out&gt;) at evas_events.c:836
#27 0x00007fffeb98fc36 in ecore_event_evas_mouse_move (data=&lt;optimized out&gt;, type=&lt;optimized out&gt;, event=0xf914a0) at ecore_input_evas.c:238
#28 0x00007ffff78d50e7 in _ecore_call_handler_cb (event=&lt;optimized out&gt;, type=&lt;optimized out&gt;, data=&lt;optimized out&gt;, func=&lt;optimized out&gt;)
    at ecore_private.h:321
#29 _ecore_event_call () at ecore_events.c:559
---Type &lt;return&gt; to continue, or q &lt;return&gt; to quit---
#30 0x00007ffff78d9479 in _ecore_main_loop_iterate_internal (once_only=once_only@entry=0) at ecore_main.c:1922
#31 0x00007ffff78d99c7 in ecore_main_loop_begin () at ecore_main.c:956
#32 0x0000000000406866 in main (argc=2, argv=0x7fffffffda98) at /home/reni2/data/REPOS/webkit_sec/Tools/EWebLauncher/main.c:1002</thetext>
  </long_desc><long_desc isprivate="0" >
    <commentid>1217168</commentid>
    <comment_count>1</comment_count>
    <who name="Brent Fulgham">bfulgham</who>
    <bug_when>2016-08-03 14:04:43 -0700</bug_when>
    <thetext>This issue no longer occurs under GuardMalloc or ASAN as of r204037. If you believe there is still a bug, please reopen this issue with a revised test case.</thetext>
  </long_desc>
      
          <attachment
              isobsolete="0"
              ispatch="0"
              isprivate="0"
          >
            <attachid>226943</attachid>
            <date>2014-03-17 11:46:47 -0700</date>
            <delta_ts>2014-03-17 11:46:47 -0700</delta_ts>
            <desc>Test case</desc>
            <filename>lastCrash.html</filename>
            <type>text/html</type>
            <size>8215</size>
            <attacher name="Renata Hodovan">rhodovan.u-szeged</attacher>
            
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</data>

          </attachment>
      

    </bug>

</bugzilla>