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<dl class="meta">
<dt>Revision</dt> <dd><a href="http://trac.webkit.org/projects/webkit/changeset/168098">168098</a></dd>
<dt>Author</dt> <dd>matthew_hanson@apple.com</dd>
<dt>Date</dt> <dd>2014-05-01 08:39:17 -0700 (Thu, 01 May 2014)</dd>
</dl>
<h3>Log Message</h3>
<pre>Merge <a href="http://trac.webkit.org/projects/webkit/changeset/167569">r167569</a> (committing on behalf of Dana Burkart.)</pre>
<h3>Modified Paths</h3>
<ul>
<li><a href="#branchessafari53776branchLayoutTestsChangeLog">branches/safari-537.76-branch/LayoutTests/ChangeLog</a></li>
<li><a href="#branchessafari53776branchSourceWebCoreChangeLog">branches/safari-537.76-branch/Source/WebCore/ChangeLog</a></li>
<li><a href="#branchessafari53776branchSourceWebCorehtmlHTMLFormElementcpp">branches/safari-537.76-branch/Source/WebCore/html/HTMLFormElement.cpp</a></li>
<li><a href="#branchessafari53776branchSourceWebCoreloaderFrameLoadercpp">branches/safari-537.76-branch/Source/WebCore/loader/FrameLoader.cpp</a></li>
</ul>
</div>
<div id="patch">
<h3>Diff</h3>
<a id="branchessafari53776branchLayoutTestsChangeLog"></a>
<div class="modfile"><h4>Modified: branches/safari-537.76-branch/LayoutTests/ChangeLog (168097 => 168098)</h4>
<pre class="diff"><span>
<span class="info">--- branches/safari-537.76-branch/LayoutTests/ChangeLog 2014-05-01 15:34:54 UTC (rev 168097)
+++ branches/safari-537.76-branch/LayoutTests/ChangeLog 2014-05-01 15:39:17 UTC (rev 168098)
</span><span class="lines">@@ -1,5 +1,22 @@
</span><span class="cx"> 2014-05-01 Matthew Hanson <matthew_hanson@apple.com>
</span><span class="cx">
</span><ins>+ Merge r167569 (committing on behalf of Dana Burkart.)
+
+ 2014-04-19 Alexey Proskuryakov <ap@apple.com>
+
+ Crashes in HTMLFormElement::submit.
+ https://bugs.webkit.org/show_bug.cgi?id=131910
+ <rdar://problem/15661790>
+
+ Reviewed by Anders Carlsson.
+
+ * fast/forms/form-submission-crash-2-expected.txt: Added.
+ * fast/forms/form-submission-crash-2.html: Added.
+ * fast/forms/form-submission-crash-expected.txt: Added.
+ * fast/forms/form-submission-crash.html: Added.
+
+2014-05-01 Matthew Hanson <matthew_hanson@apple.com>
+
</ins><span class="cx"> Merge r166650.
</span><span class="cx">
</span><span class="cx"> 2014-04-02 David Kilzer <ddkilzer@apple.com>
</span></span></pre></div>
<a id="branchessafari53776branchSourceWebCoreChangeLog"></a>
<div class="modfile"><h4>Modified: branches/safari-537.76-branch/Source/WebCore/ChangeLog (168097 => 168098)</h4>
<pre class="diff"><span>
<span class="info">--- branches/safari-537.76-branch/Source/WebCore/ChangeLog 2014-05-01 15:34:54 UTC (rev 168097)
+++ branches/safari-537.76-branch/Source/WebCore/ChangeLog 2014-05-01 15:39:17 UTC (rev 168098)
</span><span class="lines">@@ -1,5 +1,30 @@
</span><span class="cx"> 2014-05-01 Matthew Hanson <matthew_hanson@apple.com>
</span><span class="cx">
</span><ins>+ Merge r167569 (committing on behalf of Dana Burkart.)
+
+ 2014-04-19 Alexey Proskuryakov <ap@apple.com>
+
+ Crashes in HTMLFormElement::submit.
+ https://bugs.webkit.org/show_bug.cgi?id=131910
+ <rdar://problem/15661790>
+
+ Based on a patch by Kent Tamura.
+
+ Reviewed by Anders Carlsson.
+
+ Tests: fast/forms/form-submission-crash-2.html
+ fast/forms/form-submission-crash.html
+
+ Code that executes arbitrary JS needs to protect objects that it uses afterwards.
+
+ * html/HTMLFormElement.cpp:
+ (WebCore::HTMLFormElement::prepareForSubmission):
+ (WebCore::HTMLFormElement::submit):
+ * loader/FrameLoader.cpp:
+ (WebCore::FrameLoader::submitForm):
+
+2014-05-01 Matthew Hanson <matthew_hanson@apple.com>
+
</ins><span class="cx"> Merge r166650.
</span><span class="cx">
</span><span class="cx"> 2014-04-02 David Kilzer <ddkilzer@apple.com>
</span></span></pre></div>
<a id="branchessafari53776branchSourceWebCorehtmlHTMLFormElementcpp"></a>
<div class="modfile"><h4>Modified: branches/safari-537.76-branch/Source/WebCore/html/HTMLFormElement.cpp (168097 => 168098)</h4>
<pre class="diff"><span>
<span class="info">--- branches/safari-537.76-branch/Source/WebCore/html/HTMLFormElement.cpp 2014-05-01 15:34:54 UTC (rev 168097)
+++ branches/safari-537.76-branch/Source/WebCore/html/HTMLFormElement.cpp 2014-05-01 15:39:17 UTC (rev 168098)
</span><span class="lines">@@ -279,6 +279,7 @@
</span><span class="cx"> RefPtr<FormState> formState = FormState::create(this, controlNamesAndValues, document(), NotSubmittedByJavaScript);
</span><span class="cx"> frame->loader()->client()->dispatchWillSendSubmitEvent(formState.release());
</span><span class="cx">
</span><ins>+ RefPtr<HTMLFormElement> protect(this);
</ins><span class="cx"> if (dispatchEvent(Event::create(eventNames().submitEvent, true, true)))
</span><span class="cx"> m_shouldSubmit = true;
</span><span class="cx">
</span><span class="lines">@@ -354,6 +355,7 @@
</span><span class="cx"> firstSuccessfulSubmitButton->setActivatedSubmit(true);
</span><span class="cx">
</span><span class="cx"> bool lockHistory = !processingUserGesture;
</span><ins>+ RefPtr<HTMLFormElement> protect(this); // Form submission can execute arbitary JavaScript.
</ins><span class="cx"> frame->loader()->submitForm(FormSubmission::create(this, m_attributes, event, lockHistory, formSubmissionTrigger));
</span><span class="cx">
</span><span class="cx"> if (needButtonActivation && firstSuccessfulSubmitButton)
</span></span></pre></div>
<a id="branchessafari53776branchSourceWebCoreloaderFrameLoadercpp"></a>
<div class="modfile"><h4>Modified: branches/safari-537.76-branch/Source/WebCore/loader/FrameLoader.cpp (168097 => 168098)</h4>
<pre class="diff"><span>
<span class="info">--- branches/safari-537.76-branch/Source/WebCore/loader/FrameLoader.cpp 2014-05-01 15:34:54 UTC (rev 168097)
+++ branches/safari-537.76-branch/Source/WebCore/loader/FrameLoader.cpp 2014-05-01 15:39:17 UTC (rev 168098)
</span><span class="lines">@@ -346,6 +346,7 @@
</span><span class="cx"> if (!m_frame->document()->contentSecurityPolicy()->allowFormAction(KURL(submission->action())))
</span><span class="cx"> return;
</span><span class="cx"> m_isExecutingJavaScriptFormAction = true;
</span><ins>+ RefPtr<Frame> protect(m_frame);
</ins><span class="cx"> m_frame->script()->executeIfJavaScriptURL(submission->action(), DoNotReplaceDocumentIfJavaScriptURL);
</span><span class="cx"> m_isExecutingJavaScriptFormAction = false;
</span><span class="cx"> return;
</span></span></pre>
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