From ebc45299ccf4750cfc0b93c39a60f94b7ec4ea7f Mon Sep 17 00:00:00 2001
From: Robert Loehning <robert.loehning@qt.io>
Date: Mon, 12 Nov 2018 14:27:00 +0100
Subject: Add libfuzzer test for QJSEngine::evaluate()

Task-number: QTBUG-72734
Task-number: QTBUG-73985
Task-number: QTBUG-73999
Task-number: QTBUG-74048
Task-number: QTBUG-74058
Change-Id: I6cd99e31220e96b24338f5daa80d6f726ea33812
Reviewed-by: Ulf Hermann <ulf.hermann@qt.io>
---
 tests/libfuzzer/qml/jsapi/evaluate/main.cpp | 43 +++++++++++++++++++++++++++++
 1 file changed, 43 insertions(+)
 create mode 100644 tests/libfuzzer/qml/jsapi/evaluate/main.cpp

(limited to 'tests/libfuzzer/qml/jsapi/evaluate/main.cpp')

diff --git a/tests/libfuzzer/qml/jsapi/evaluate/main.cpp b/tests/libfuzzer/qml/jsapi/evaluate/main.cpp
new file mode 100644
index 0000000000..9e90ba7cbd
--- /dev/null
+++ b/tests/libfuzzer/qml/jsapi/evaluate/main.cpp
@@ -0,0 +1,43 @@
+/****************************************************************************
+**
+** Copyright (C) 2018 The Qt Company Ltd.
+** Contact: https://www.qt.io/licensing/
+**
+** This file is part of the test suite of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:GPL-EXCEPT$
+** Commercial License Usage
+** Licensees holding valid commercial Qt licenses may use this file in
+** accordance with the commercial license agreement provided with the
+** Software or, alternatively, in accordance with the terms contained in
+** a written agreement between you and The Qt Company. For licensing terms
+** and conditions see https://www.qt.io/terms-conditions. For further
+** information use the contact form at https://www.qt.io/contact-us.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3 as published by the Free Software
+** Foundation with exceptions as appearing in the file LICENSE.GPL3-EXCEPT
+** included in the packaging of this file. Please review the following
+** information to ensure the GNU General Public License requirements will
+** be met: https://www.gnu.org/licenses/gpl-3.0.html.
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#include <QCoreApplication>
+#include <QJSEngine>
+
+// libfuzzer test for QJSEngine::evaluate()
+
+extern "C" int LLVMFuzzerTestOneInput(const char *Data, size_t Size) {
+    const QByteArray ba(Data, Size);
+    // avoid potential endless loops
+    if (ba.contains("for") || ba.contains("while"))
+        return 1;
+    int c = 0;
+    QCoreApplication a(c, nullptr);
+    QJSEngine().evaluate(ba);
+    return 0;
+}
-- 
cgit v1.2.3