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<title>[174122] trunk/Source/JavaScriptCore</title>
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<dt>Revision</dt> <dd><a href="http://trac.webkit.org/projects/webkit/changeset/174122">174122</a></dd>
<dt>Author</dt> <dd>mark.lam@apple.com</dd>
<dt>Date</dt> <dd>2014-09-30 14:05:08 -0700 (Tue, 30 Sep 2014)</dd>
</dl>
<h3>Log Message</h3>
<pre>Label some asserts as having security implications.
<https://webkit.org/b/137260>
Reviewed by Filip Pizlo.
* dfg/DFGGraph.cpp:
(JSC::DFG::Graph::handleAssertionFailure):
* runtime/JSCell.h:
(JSC::jsCast):
* runtime/StructureIDTable.h:
(JSC::StructureIDTable::get):</pre>
<h3>Modified Paths</h3>
<ul>
<li><a href="#trunkSourceJavaScriptCoreChangeLog">trunk/Source/JavaScriptCore/ChangeLog</a></li>
<li><a href="#trunkSourceJavaScriptCoredfgDFGGraphcpp">trunk/Source/JavaScriptCore/dfg/DFGGraph.cpp</a></li>
<li><a href="#trunkSourceJavaScriptCoreruntimeJSCellh">trunk/Source/JavaScriptCore/runtime/JSCell.h</a></li>
<li><a href="#trunkSourceJavaScriptCoreruntimeStructureIDTableh">trunk/Source/JavaScriptCore/runtime/StructureIDTable.h</a></li>
</ul>
</div>
<div id="patch">
<h3>Diff</h3>
<a id="trunkSourceJavaScriptCoreChangeLog"></a>
<div class="modfile"><h4>Modified: trunk/Source/JavaScriptCore/ChangeLog (174121 => 174122)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/JavaScriptCore/ChangeLog        2014-09-30 21:02:47 UTC (rev 174121)
+++ trunk/Source/JavaScriptCore/ChangeLog        2014-09-30 21:05:08 UTC (rev 174122)
</span><span class="lines">@@ -1,3 +1,17 @@
</span><ins>+2014-09-30 Mark Lam <mark.lam@apple.com>
+
+ Label some asserts as having security implications.
+ <https://webkit.org/b/137260>
+
+ Reviewed by Filip Pizlo.
+
+ * dfg/DFGGraph.cpp:
+ (JSC::DFG::Graph::handleAssertionFailure):
+ * runtime/JSCell.h:
+ (JSC::jsCast):
+ * runtime/StructureIDTable.h:
+ (JSC::StructureIDTable::get):
+
</ins><span class="cx"> 2014-09-30 Filip Pizlo <fpizlo@apple.com>
</span><span class="cx">
</span><span class="cx"> REGRESSION (r174025): Invalid cast in JSC::asString
</span></span></pre></div>
<a id="trunkSourceJavaScriptCoredfgDFGGraphcpp"></a>
<div class="modfile"><h4>Modified: trunk/Source/JavaScriptCore/dfg/DFGGraph.cpp (174121 => 174122)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/JavaScriptCore/dfg/DFGGraph.cpp        2014-09-30 21:02:47 UTC (rev 174121)
+++ trunk/Source/JavaScriptCore/dfg/DFGGraph.cpp        2014-09-30 21:05:08 UTC (rev 174122)
</span><span class="lines">@@ -1228,7 +1228,7 @@
</span><span class="cx"> dataLog("\n");
</span><span class="cx"> dataLog("DFG ASSERTION FAILED: ", assertion, "\n");
</span><span class="cx"> dataLog(file, "(", line, ") : ", function, "\n");
</span><del>- CRASH();
</del><ins>+ CRASH_WITH_SECURITY_IMPLICATION();
</ins><span class="cx"> }
</span><span class="cx">
</span><span class="cx"> } } // namespace JSC::DFG
</span></span></pre></div>
<a id="trunkSourceJavaScriptCoreruntimeJSCellh"></a>
<div class="modfile"><h4>Modified: trunk/Source/JavaScriptCore/runtime/JSCell.h (174121 => 174122)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/JavaScriptCore/runtime/JSCell.h        2014-09-30 21:02:47 UTC (rev 174121)
+++ trunk/Source/JavaScriptCore/runtime/JSCell.h        2014-09-30 21:05:08 UTC (rev 174122)
</span><span class="lines">@@ -234,14 +234,14 @@
</span><span class="cx"> template<typename To, typename From>
</span><span class="cx"> inline To jsCast(From* from)
</span><span class="cx"> {
</span><del>- ASSERT(!from || from->JSCell::inherits(std::remove_pointer<To>::type::info()));
</del><ins>+ ASSERT_WITH_SECURITY_IMPLICATION(!from || from->JSCell::inherits(std::remove_pointer<To>::type::info()));
</ins><span class="cx"> return static_cast<To>(from);
</span><span class="cx"> }
</span><span class="cx">
</span><span class="cx"> template<typename To>
</span><span class="cx"> inline To jsCast(JSValue from)
</span><span class="cx"> {
</span><del>- ASSERT(from.isCell() && from.asCell()->JSCell::inherits(std::remove_pointer<To>::type::info()));
</del><ins>+ ASSERT_WITH_SECURITY_IMPLICATION(from.isCell() && from.asCell()->JSCell::inherits(std::remove_pointer<To>::type::info()));
</ins><span class="cx"> return static_cast<To>(from.asCell());
</span><span class="cx"> }
</span><span class="cx">
</span></span></pre></div>
<a id="trunkSourceJavaScriptCoreruntimeStructureIDTableh"></a>
<div class="modfile"><h4>Modified: trunk/Source/JavaScriptCore/runtime/StructureIDTable.h (174121 => 174122)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/JavaScriptCore/runtime/StructureIDTable.h        2014-09-30 21:02:47 UTC (rev 174121)
+++ trunk/Source/JavaScriptCore/runtime/StructureIDTable.h        2014-09-30 21:05:08 UTC (rev 174122)
</span><span class="lines">@@ -83,7 +83,7 @@
</span><span class="cx"> inline Structure* StructureIDTable::get(StructureID structureID)
</span><span class="cx"> {
</span><span class="cx"> #if USE(JSVALUE64)
</span><del>- ASSERT(structureID && structureID < m_capacity);
</del><ins>+ ASSERT_WITH_SECURITY_IMPLICATION(structureID && structureID < m_capacity);
</ins><span class="cx"> return table()[structureID].structure;
</span><span class="cx"> #else
</span><span class="cx"> return structureID;
</span></span></pre>
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