src: only access stack of defined errors

Avoid segmentation fault when `undefined` is thrown

diff --git a/src/node.cc b/src/node.cc
index 2d32b12..7f8528c 100644 (file)
--- a/src/node.cc
+++ b/src/node.cc
@@ -1176,8 +1176,15 @@ static void ReportException(Handle<Value> er, Handle<Message> message) {
 
   DisplayExceptionLine(message);
 
-  Local<Value> trace_value(
-      er->ToObject()->Get(FIXED_ONE_BYTE_STRING(node_isolate, "stack")));
+  Local<Value> trace_value;
+
+  if (er->IsUndefined()) {
+    trace_value = Undefined(node_isolate);
+  } else {
+    trace_value =
+        er->ToObject()->Get(FIXED_ONE_BYTE_STRING(node_isolate, "stack"));
+  }
+
   String::Utf8Value trace(trace_value);
 
   // range errors have a trace member set to undefined

diff --git a/test/message/throw_undefined.js b/test/message/throw_undefined.js
new file mode 100644 (file)
index 0000000..74b08fe
--- /dev/null
+++ b/test/message/throw_undefined.js
@@ -0,0 +1,25 @@
+// Copyright Joyent, Inc. and other Node contributors.
+//
+// Permission is hereby granted, free of charge, to any person obtaining a
+// copy of this software and associated documentation files (the
+// "Software"), to deal in the Software without restriction, including
+// without limitation the rights to use, copy, modify, merge, publish,
+// distribute, sublicense, and/or sell copies of the Software, and to permit
+// persons to whom the Software is furnished to do so, subject to the
+// following conditions:
+//
+// The above copyright notice and this permission notice shall be included
+// in all copies or substantial portions of the Software.
+//
+// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+// OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN
+// NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
+// DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
+// OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
+// USE OR OTHER DEALINGS IN THE SOFTWARE.
+
+var common = require('../common');
+var assert = require('assert');
+
+throw undefined;

diff --git a/test/message/throw_undefined.out b/test/message/throw_undefined.out
new file mode 100644 (file)
index 0000000..23fc53a
--- /dev/null
+++ b/test/message/throw_undefined.out
@@ -0,0 +1,5 @@
+
+*test*message*throw_undefined.js:25
+throw undefined;
+      ^
+undefined