1 files changed, 39 insertions, 0 deletions
diff --git a/fuzz/oss_fuzz/FuzzRegionDeserialize.cpp b/fuzz/oss_fuzz/FuzzRegionDeserialize.cpp
new file mode 100644
index 0000000000..c5b37cb68e
--- /dev/null
+++ b/fuzz/oss_fuzz/FuzzRegionDeserialize.cpp
@@ -0,0 +1,39 @@
+/*
+ * Copyright 2018 Google Inc.
+ *
+ * Use of this source code is governed by a BSD-style license that can be
+ * found in the LICENSE file.
+ */
+
+
+#include "SkCanvas.h"
+#include "SkPaint.h"
+#include "SkRegion.h"
+#include "SkSurface.h"
+
+bool FuzzRegionDeserialize(sk_sp<SkData> bytes) {
+    SkRegion region;
+    if (!region.readFromMemory(bytes->data(), bytes->size())) {
+        return false;
+    }
+    region.computeRegionComplexity();
+    region.isComplex();
+    SkRegion r2;
+    if (region == r2) {
+        region.contains(0,0);
+    } else {
+        region.contains(1,1);
+    }
+    auto s = SkSurface::MakeRasterN32Premul(1024, 1024);
+    s->getCanvas()->drawRegion(region, SkPaint());
+    SkDEBUGCODE(region.validate());
+    return true;
+}
+
+#if defined(IS_FUZZING_WITH_LIBFUZZER)
+extern "C" int LLVMFuzzerTestOneInput(const uint8_t *data, size_t size) {
+    auto bytes = SkData::MakeWithoutCopy(data, size);
+    FuzzRegionDeserialize(bytes);
+    return 0;
+}
+#endif