Bug 123732 – ASSERTION FAILED: !m_insertChild->parentNode() in WebCore::InsertNodeBeforeCommand::InsertNodeBeforeCommand

• Component: HTML Editing
• Status: NEW

[Renata Hodovan]

Created attachment 215905 [details]
Test case

The failing test:

<details></details>
<font>A</font>
<style></style>
<iframe onload="   
		document.designMode=&apos;on&apos;;     
		document.execCommand(&apos;selectall&apos;);     
		document.execCommand(&apos;italic&apos;);
		document.execCommand(&apos;RemoveFormat&apos;);" seamless=" ">
</iframe>


The backtrace:


Program received signal SIGSEGV, Segmentation fault.
[Switching to LWP 21412]
0x00007ffff4af0ac1 in WTFCrash () at /home/reni/Data/REPOS/webkitnix/Source/WTF/wtf/Assertions.cpp:342
342	    *(int *)(uintptr_t)0xbbadbeef = 0;
(gdb) bt
#0  0x00007ffff4af0ac1 in WTFCrash () at /home/reni/Data/REPOS/webkitnix/Source/WTF/wtf/Assertions.cpp:342
#1  0x00007ffff335e245 in WebCore::InsertNodeBeforeCommand::InsertNodeBeforeCommand (this=0x8326a0, insertChild=<incomplete type>, 
    refChild=<incomplete type>, shouldAssumeContentIsAlwaysEditable=WebCore::DoNotAssumeContentIsAlwaysEditable)
    at /home/reni/Data/REPOS/webkitnix/Source/WebCore/editing/InsertNodeBeforeCommand.cpp:44
#2  0x00007ffff3318759 in WebCore::InsertNodeBeforeCommand::create (childToInsert=<incomplete type>, childToInsertBefore=<incomplete type>, 
    shouldAssumeContentIsAlwaysEditable=WebCore::DoNotAssumeContentIsAlwaysEditable)
    at /home/reni/Data/REPOS/webkitnix/Source/WebCore/editing/InsertNodeBeforeCommand.h:38
#3  0x00007ffff3310118 in WebCore::CompositeEditCommand::insertNodeBefore (this=0x832020, insertChild=<incomplete type>, refChild=<incomplete type>, 
    shouldAssumeContentIsAlwaysEditable=WebCore::DoNotAssumeContentIsAlwaysEditable)
    at /home/reni/Data/REPOS/webkitnix/Source/WebCore/editing/CompositeEditCommand.cpp:329
#4  0x00007ffff336b815 in WebCore::RemoveNodePreservingChildrenCommand::doApply (this=0x832020)
    at /home/reni/Data/REPOS/webkitnix/Source/WebCore/editing/RemoveNodePreservingChildrenCommand.cpp:52
#5  0x00007ffff330fb3c in WebCore::CompositeEditCommand::applyCommandToComposite (this=0x821650, prpCommand=<incomplete type>)
    at /home/reni/Data/REPOS/webkitnix/Source/WebCore/editing/CompositeEditCommand.cpp:262
#6  0x00007ffff3310ae0 in WebCore::CompositeEditCommand::removeNodePreservingChildren (this=0x821650, node=<incomplete type>, 
    shouldAssumeContentIsAlwaysEditable=WebCore::DoNotAssumeContentIsAlwaysEditable)
    at /home/reni/Data/REPOS/webkitnix/Source/WebCore/editing/CompositeEditCommand.cpp:405
#7  0x00007ffff33044d5 in WebCore::ApplyStyleCommand::removeInlineStyleFromElement (this=0x821650, style=0x831690, element=<incomplete type>, 
    mode=WebCore::ApplyStyleCommand::RemoveIfNeeded, extractedStyle=0x74add0)
    at /home/reni/Data/REPOS/webkitnix/Source/WebCore/editing/ApplyStyleCommand.cpp:890
#8  0x00007ffff3305175 in WebCore::ApplyStyleCommand::pushDownInlineStyleAroundNode (this=0x821650, style=0x831690, targetNode=0x8bcbd0)
    at /home/reni/Data/REPOS/webkitnix/Source/WebCore/editing/ApplyStyleCommand.cpp:1051
#9  0x00007ffff33057c3 in WebCore::ApplyStyleCommand::removeInlineStyle (this=0x821650, style=0x831690, start=..., end=...)
    at /home/reni/Data/REPOS/webkitnix/Source/WebCore/editing/ApplyStyleCommand.cpp:1104
#10 0x00007ffff3302a12 in WebCore::ApplyStyleCommand::applyInlineStyle (this=0x821650, style=0x831690)
    at /home/reni/Data/REPOS/webkitnix/Source/WebCore/editing/ApplyStyleCommand.cpp:630
#11 0x00007ffff32ffe57 in WebCore::ApplyStyleCommand::doApply (this=0x821650)
    at /home/reni/Data/REPOS/webkitnix/Source/WebCore/editing/ApplyStyleCommand.cpp:220
#12 0x00007ffff330fb3c in WebCore::CompositeEditCommand::applyCommandToComposite (this=0x831290, prpCommand=<incomplete type>)
    at /home/reni/Data/REPOS/webkitnix/Source/WebCore/editing/CompositeEditCommand.cpp:262
#13 0x00007ffff336afc5 in WebCore::RemoveFormatCommand::doApply (this=0x831290)
    at /home/reni/Data/REPOS/webkitnix/Source/WebCore/editing/RemoveFormatCommand.cpp:92
#14 0x00007ffff330f8fc in WebCore::CompositeEditCommand::apply (this=0x831290)
    at /home/reni/Data/REPOS/webkitnix/Source/WebCore/editing/CompositeEditCommand.cpp:211
#15 0x00007ffff330f6fc in WebCore::applyCommand (command=<incomplete type>)
    at /home/reni/Data/REPOS/webkitnix/Source/WebCore/editing/CompositeEditCommand.cpp:170
#16 0x00007ffff3333335 in WebCore::Editor::removeFormattingAndStyle (this=0x7a1e60) at /home/reni/Data/REPOS/webkitnix/Source/WebCore/editing/Editor.cpp:700
#17 0x00007ffff3347652 in WebCore::executeRemoveFormat (frame=...) at /home/reni/Data/REPOS/webkitnix/Source/WebCore/editing/EditorCommand.cpp:977
#18 0x00007ffff33491af in WebCore::Editor::Command::execute (this=0x7fffffffa810, parameter=..., triggeringEvent=0x0)
    at /home/reni/Data/REPOS/webkitnix/Source/WebCore/editing/EditorCommand.cpp:1713
#19 0x00007ffff32106ac in WebCore::Document::execCommand (this=0x81b610, commandName=..., userInterface=false, value=...)
    at /home/reni/Data/REPOS/webkitnix/Source/WebCore/dom/Document.cpp:4110
#20 0x00007ffff3fab309 in WebCore::jsDocumentPrototypeFunctionExecCommand (exec=0x7fffa37fef50)
    at /home/reni/Data/REPOS/webkitnix/WebKitBuild/Debug/DerivedSources/WebCore/JSDocument.cpp:2705
#21 0x00007fffaa282105 in ?? ()
#22 0x00007fffffffa950 in ?? ()
#23 0x00007ffff4875638 in llint_op_call () from /home/reni/Data/REPOS/webkitnix/WebKitBuild/Debug/lib/libWebKitNix.so.0
#24 0x00007fffaa282940 in ?? ()
#25 0x0000000000689dd8 in ?? ()
#26 0x0000000000000001 in ?? ()
#27 0x0000000000000001 in ?? ()
#28 0x00000000ffffffff in ?? ()
---Type <return> to continue, or q <return> to quit---
#29 0x0000000000000000 in ?? ()

[Renata Hodovan]

Created attachment 273733 [details]
Test case

New test case.

Checked on:
OS: Mac OS X 10.11.1 (x86_64), x86_64
Build: ASAN debug
Version: ecad464

[Brent Fulgham]

This still occurs under r204037.

[Radar WebKit Bug Importer]

<rdar://problem/27684325>