Title: [117829] branches/safari-536-branch

Diff

Modified: branches/safari-536-branch/LayoutTests/ChangeLog (117828 => 117829)


--- branches/safari-536-branch/LayoutTests/ChangeLog	2012-05-21 23:18:39 UTC (rev 117828)
+++ branches/safari-536-branch/LayoutTests/ChangeLog	2012-05-21 23:26:57 UTC (rev 117829)
@@ -1,3 +1,17 @@
+2012-05-21  Lucas Forschler  <[email protected]>
+
+    Merge 116864
+
+    2012-05-12  Abhishek Arya  <[email protected]>
+
+            Crash in HTMLSelectElement::setOption
+            https://bugs.webkit.org/show_bug.cgi?id=85420
+
+            Reviewed by Eric Seidel.
+
+            * fast/dom/HTMLSelectElement/option-add-crash-expected.txt: Added.
+            * fast/dom/HTMLSelectElement/option-add-crash.html: Added.
+
 2012-05-15  Lucas Forschler  <[email protected]>
 
     rollout 116009

Copied: branches/safari-536-branch/LayoutTests/fast/dom/HTMLSelectElement/option-add-crash-expected.txt (from rev 116864, trunk/LayoutTests/fast/dom/HTMLSelectElement/option-add-crash-expected.txt) (0 => 117829)


--- branches/safari-536-branch/LayoutTests/fast/dom/HTMLSelectElement/option-add-crash-expected.txt	                        (rev 0)
+++ branches/safari-536-branch/LayoutTests/fast/dom/HTMLSelectElement/option-add-crash-expected.txt	2012-05-21 23:26:57 UTC (rev 117829)
@@ -0,0 +1,4 @@
+PASS successfullyParsed is true
+
+TEST COMPLETE
+PASS. WebKit didn't crash.

Copied: branches/safari-536-branch/LayoutTests/fast/dom/HTMLSelectElement/option-add-crash.html (from rev 116864, trunk/LayoutTests/fast/dom/HTMLSelectElement/option-add-crash.html) (0 => 117829)


--- branches/safari-536-branch/LayoutTests/fast/dom/HTMLSelectElement/option-add-crash.html	                        (rev 0)
+++ branches/safari-536-branch/LayoutTests/fast/dom/HTMLSelectElement/option-add-crash.html	2012-05-21 23:26:57 UTC (rev 117829)
@@ -0,0 +1,23 @@
+<!DOCTYPE html>
+<html>
+<script src=""
+<script>
+function crash()
+{
+    try {
+    document.getElementsByTagName('option')[0].parentNode.removeChild(document.getElementsByTagName('option')[0]);
+    } catch (Exception) {}
+
+    gc();
+}
+document.write("PASS. WebKit didn't crash.<select></select>");
+var select1 = document.getElementsByTagName('select')[0];
+select1.appendChild(document.createElement('option'));
+select1.appendChild(document.createElement('option'));
+document.addEventListener("DOMSubtreeModified", crash, false);
+try {
+  select1.options[0] = new Option("", "");
+} catch (Exception) { }
+</script>
+<script src=""
+</html>

Modified: branches/safari-536-branch/Source/WebCore/ChangeLog (117828 => 117829)


--- branches/safari-536-branch/Source/WebCore/ChangeLog	2012-05-21 23:18:39 UTC (rev 117828)
+++ branches/safari-536-branch/Source/WebCore/ChangeLog	2012-05-21 23:26:57 UTC (rev 117829)
@@ -1,3 +1,22 @@
+2012-05-21  Lucas Forschler  <[email protected]>
+
+    Merge 116864
+
+    2012-05-12  Abhishek Arya  <[email protected]>
+
+            Crash in HTMLSelectElement::setOption
+            https://bugs.webkit.org/show_bug.cgi?id=85420
+
+            Reviewed by Eric Seidel
+
+            RefPtr before option in HTMLSelectElement::setOption since it
+            can get destroyed due to mutation events.
+
+            Test: fast/dom/HTMLSelectElement/option-add-crash.html
+
+            * html/HTMLSelectElement.cpp:
+            (WebCore::HTMLSelectElement::setOption):
+
 2012-05-16  Lucas Forschler  <[email protected]>
 
     Merge 116595

Modified: branches/safari-536-branch/Source/WebCore/html/HTMLSelectElement.cpp (117828 => 117829)


--- branches/safari-536-branch/Source/WebCore/html/HTMLSelectElement.cpp	2012-05-21 23:18:39 UTC (rev 117828)
+++ branches/safari-536-branch/Source/WebCore/html/HTMLSelectElement.cpp	2012-05-21 23:26:57 UTC (rev 117829)
@@ -413,7 +413,7 @@
     if (index > maxSelectItems - 1)
         index = maxSelectItems - 1;
     int diff = index - length();
-    HTMLElement* before = 0;
+    RefPtr<HTMLElement> before = 0;
     // Out of array bounds? First insert empty dummies.
     if (diff > 0) {
         setLength(index, ec);
@@ -424,7 +424,7 @@
     }
     // Finally add the new element.
     if (!ec) {
-        add(option, before, ec);
+        add(option, before.get(), ec);
         if (diff >= 0 && option->selected())
             optionSelectionStateChanged(option, true);
     }
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