Merge pull request #609 from rjotwani/master

Added Draco fuzzers

src/draco/tools/fuzz/build.sh

@@ -0,0 +1,35 @@
+#!/bin/bash -eu
+# Copyright 2020 Google Inc.
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#      http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+#
+################################################################################
+
+# build project
+cmake $SRC/draco
+# The draco_decoder and draco_encoder binaries don't build nicely with OSS-Fuzz
+# options, so just build the Draco shared libraries.
+make -j$(nproc) draco
+
+# build fuzzers
+for fuzzer in $(find $SRC/draco/src/draco/tools/fuzz -name '*.cc'); do
+  fuzzer_basename=$(basename -s .cc $fuzzer)
+  $CXX $CXXFLAGS \
+    -I $SRC/ \
+    -I $SRC/draco/src \
+    -I $WORK/ \
+    $LIB_FUZZING_ENGINE \
+    $fuzzer \
+    $WORK/libdraco.a \
+    -o $OUT/$fuzzer_basename
+done

src/draco/tools/fuzz/draco_databuffer_fuzzer.cc

@@ -0,0 +1,21 @@
+// Copyright 2020 Google LLC
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//      http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+#include "draco/src/draco/core/data_buffer.h"
+
+extern "C" int LLVMFuzzerTestOneInput(const uint8_t *data, size_t size) {
+  draco::DataBuffer buffer;
+  buffer.Update(reinterpret_cast<const void *>(data), static_cast<int64_t>(size));
+  return 0;
+}

src/draco/tools/fuzz/draco_mesh_decoder_fuzzer.cc

@@ -0,0 +1,29 @@
+// Copyright 2020 Google LLC
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//      http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+#include <fuzzer/FuzzedDataProvider.h>
+
+#include "draco/src/draco/compression/decode.h"
+#include "draco/src/draco/core/decoder_buffer.h"
+#include "draco/src/draco/mesh/mesh.h"
+
+extern "C" int LLVMFuzzerTestOneInput(const uint8_t *data, size_t size) {
+  draco::DecoderBuffer buffer;
+  buffer.Init(reinterpret_cast<const char *>(data), size);
+
+  draco::Decoder decoder;
+  decoder.DecodeMeshFromBuffer(&buffer);
+
+  return 0;
+}

src/draco/tools/fuzz/draco_mesh_decoder_without_dequantization_fuzzer.cc

@@ -0,0 +1,30 @@
+// Copyright 2020 Google LLC
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//      http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+#include <fuzzer/FuzzedDataProvider.h>
+
+#include "draco/src/draco/compression/decode.h"
+#include "draco/src/draco/core/decoder_buffer.h"
+#include "draco/src/draco/mesh/mesh.h"
+
+extern "C" int LLVMFuzzerTestOneInput(const uint8_t *data, size_t size) {
+  draco::DecoderBuffer buffer;
+  buffer.Init(reinterpret_cast<const char *>(data), size);
+
+  draco::Decoder decoder;
+  decoder.SetSkipAttributeTransform(draco::GeometryAttribute::POSITION);
+  decoder.DecodeMeshFromBuffer(&buffer);
+
+  return 0;
+}

src/draco/tools/fuzz/draco_pc_decoder_fuzzer.cc

@@ -0,0 +1,29 @@
+// Copyright 2020 Google LLC
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//      http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+#include <fuzzer/FuzzedDataProvider.h>
+
+#include "draco/src/draco/compression/decode.h"
+#include "draco/src/draco/core/decoder_buffer.h"
+#include "draco/src/draco/point_cloud/point_cloud.h"
+
+extern "C" int LLVMFuzzerTestOneInput(const uint8_t *data, size_t size) {
+  draco::DecoderBuffer buffer;
+  buffer.Init(reinterpret_cast<const char *>(data), size);
+
+  draco::Decoder decoder;
+  decoder.DecodePointCloudFromBuffer(&buffer);
+
+  return 0;
+}

src/draco/tools/fuzz/draco_pc_decoder_without_dequantization_fuzzer.cc

@@ -0,0 +1,30 @@
+// Copyright 2020 Google LLC
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//      http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+#include <fuzzer/FuzzedDataProvider.h>
+
+#include "draco/src/draco/compression/decode.h"
+#include "draco/src/draco/core/decoder_buffer.h"
+#include "draco/src/draco/point_cloud/point_cloud.h"
+
+extern "C" int LLVMFuzzerTestOneInput(const uint8_t *data, size_t size) {
+  draco::DecoderBuffer buffer;
+  buffer.Init(reinterpret_cast<const char *>(data), size);
+
+  draco::Decoder decoder;
+  decoder.SetSkipAttributeTransform(draco::GeometryAttribute::POSITION);
+  decoder.DecodePointCloudFromBuffer(&buffer);
+
+  return 0;
+}