[lodepng] Integrate lodepng with OSS-Fuzz (#2556)

projects/lodepng/Dockerfile

@@ -0,0 +1,22 @@
+# Copyright 2019 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.
+#
+################################################################################
+
+FROM gcr.io/oss-fuzz-base/base-builder
+MAINTAINER lvandeve@gmail.com
+RUN apt-get update && apt-get install -y make autoconf automake libtool
+RUN git clone --depth 1 https://github.com/lvandeve/lodepng.git lodepng     # or use other version control
+WORKDIR lodepng
+COPY build.sh $SRC/

projects/lodepng/build.sh

@@ -0,0 +1,21 @@
+#!/bin/bash -eu
+# Copyright 2019 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.
+#
+################################################################################
+
+# LODEPNG_MAX_ALLOC flag lets the decoder gracefully return error when trying to
+# allocate more than 100MB memory, which prevents OOM with the 2GB limit.
+$CXX $CXXFLAGS -DLODEPNG_MAX_ALLOC=100000000 lodepng.cpp lodepng_fuzzer.cpp -o\
+ $OUT/lodepng_fuzzer $LIB_FUZZING_ENGINE

projects/lodepng/project.yaml

@@ -0,0 +1,5 @@
+homepage: "https://github.com/lvandeve/lodepng"
+primary_contact: "lvandeve@gmail.com"
+sanitizers:
+- address
+- undefined