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bug 403841 - Crash in nsContentUtils::CreateContextualFragment when passed a non-element node as context node. r+sr=sicking

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ted.mielczarek@gmail.com 2007-11-17 05:16:49 -08:00
parent 4160214e4c
commit 9efc20152c
3 changed files with 35 additions and 0 deletions
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4
content/base/src/nsContentUtils.cpp
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@ -3219,6 +3219,10 @@ nsContentUtils::CreateContextualFragment(nsIDOMNode* aContextNode,
nsAutoTArray<nsAutoString, 32> tagStack;
nsAutoString uriStr, nameStr;
// just in case we have a text node
if (!content->IsNodeOfType(nsINode::eELEMENT))
content = content->GetParent();
while (content && content->IsNodeOfType(nsINode::eELEMENT)) {
nsAutoString& tagName = *tagStack.AppendElement();
NS_ENSURE_TRUE(&tagName, NS_ERROR_OUT_OF_MEMORY);

1
content/base/test/Makefile.in
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@ -113,6 +113,7 @@ _TEST_FILES = test_bug5141.html \
test_bug402150.html \
test_bug402150.html^headers^ \
test_bug401662.html \
test_bug403841.html \
$(NULL)
libs:: $(_TEST_FILES)

30
content/base/test/test_bug403841.html Normal file
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@ -0,0 +1,30 @@
<!DOCTYPE HTML>
<html>
<!--
https://bugzilla.mozilla.org/show_bug.cgi?id=403841
-->
<head>
<title>Test for Bug 403841</title>
<script type="text/javascript" src="/MochiKit/MochiKit.js"></script>
<script type="text/javascript" src="/tests/SimpleTest/SimpleTest.js"></script>
<link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css" />
</head>
<body>
<a target="_blank" href="https://bugzilla.mozilla.org/show_bug.cgi?id=403841">Mozilla Bug 403841</a>
<span id="content">abc</p>
<pre id="test">
<script class="testbody" type="text/javascript">
/** Test for Bug 403841 - Crash in nsContentUtils::CreateContextualFragment when passed a non-element node as context node **/
var t = document.getElementById("content").firstChild;
var r = document.createRange();
r.setStart(t,0);
r.setEnd(t,3);
// make sure this doesn't crash
var f = r.createContextualFragment("<span>");
ok(f.firstChild instanceof HTMLSpanElement, "created fragment ok");
</script>
</pre>
</body>
</html>