Revision control
- // Copyright (C) 2026 The Qt Company Ltd.
- // SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only
-
- #include <QGuiApplication>
- #include <QtGlobal>
- #include <QTemporaryFile>
- #include <QQmlEngine>
- #include <QQuickWindow>
- #include <QtQuickVectorImage/private/qquickvectorimage_p.h>
-
- // silence warnings
- static QtMessageHandler mh = qInstallMessageHandler([](QtMsgType, const QMessageLogContext &,
- const QString &) {});
-
- // Driver may allocate caches or other persistent state, which we need to suppress.
- // Add any false positive leaks here.
- extern "C" const char *__lsan_default_suppressions()
- {
- return "leak:libgallium\n"
- "leak:swrast\n"
- "leak:libGLX\n"
- "leak:libEGL\n"
- "leak:libglapi\n"
- "leak:swiftshader\n"
- "leak:libvulkan\n";
- }
-
- extern "C" int LLVMFuzzerInitialize(int *_argc, char ***_argv)
- {
- Q_UNUSED(_argc);
- Q_UNUSED(_argv);
-
- QHashSeed::setDeterministicGlobalSeed();
- static int argc = 1;
- static char arg1[] = "fuzzer";
- static char *argv[] = {arg1, nullptr};
-
- static QGuiApplication *qga = new QGuiApplication(argc, argv);
- Q_UNUSED(qga);
-
- return 0;
- }
-
- extern "C" int LLVMFuzzerTestOneInput(const char *Data, size_t Size)
- {
- // ### QQuickVectorImage cannot load from a QByteArray yet, so pass the data via a file
- QTemporaryFile jsonFile;
- if (!jsonFile.open())
- return 0;
- jsonFile.write(Data, qint64(Size));
- if (!jsonFile.flush())
- return 0;
-
- QQuickWindow window;
- window.resize(512, 512);
- window.create();
-
- QQmlEngine engine;
- QQuickVectorImage vectorImage;
- QQmlEngine::setContextForObject(&vectorImage, engine.rootContext());
- vectorImage.setParentItem(window.contentItem());
- vectorImage.setSize(window.size());
- vectorImage.setAssumeTrustedSource(true);
- vectorImage.setSource(QUrl::fromLocalFile(jsonFile.fileName()));
-
- window.grabWindow(); // renders one frame
-
- QCoreApplication::sendPostedEvents(nullptr, QEvent::DeferredDelete);
- return 0;
- }