add benchmark.

benchmarks/libvpx_vpx_dec_fuzzer_vp9/Dockerfile

@@ -0,0 +1,22 @@
+# Copyright 2018 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@sha256:fb1a9a49752c9e504687448d1f1a048ec1e062e2e40f7e8a23e86b63ff3dad7c
+RUN apt-get update && apt-get install -y yasm wget gcc
+RUN git clone https://chromium.googlesource.com/webm/libvpx
+ADD https://storage.googleapis.com/downloads.webmproject.org/test_data/fuzzer/vpx_fuzzer_seed_corpus.zip $SRC/
+COPY build.sh vpx_dec_fuzzer.dict $SRC/
+WORKDIR libvpx

benchmarks/libvpx_vpx_dec_fuzzer_vp9/benchmark.yaml

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+commit: 9f9b7e9ba2eb9d01640a9e69a3d655866265cf7f
+commit_date: 2024-10-23 18:24:57+00:00
+fuzz_target: vpx_dec_fuzzer_vp9
+project: libvpx

benchmarks/libvpx_vpx_dec_fuzzer_vp9/build.sh

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+#!/bin/bash -eu
+# Copyright 2018 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 libvpx
+build_dir=$WORK/build
+rm -rf ${build_dir}
+mkdir -p ${build_dir}
+pushd ${build_dir}
+
+# oss-fuzz has 2 GB total memory allocation limit. So, we limit per-allocation
+# limit in libvpx to 1 GB to avoid OOM errors. A smaller per-allocation is
+# needed for MemorySanitizer (see bug oss-fuzz:9497 and bug oss-fuzz:9499).
+if [[ $CFLAGS = *sanitize=memory* ]]; then
+  extra_c_flags='-DVPX_MAX_ALLOCABLE_MEMORY=536870912'
+else
+  extra_c_flags='-DVPX_MAX_ALLOCABLE_MEMORY=1073741824'
+fi
+
+LDFLAGS="$CXXFLAGS" LD=$CXX $SRC/libvpx/configure \
+    --enable-vp9-highbitdepth \
+    --disable-unit-tests \
+    --disable-examples \
+    --size-limit=12288x12288 \
+    --extra-cflags="${extra_c_flags}" \
+    --disable-webm-io \
+    --enable-debug \
+    --disable-vp8-encoder \
+    --disable-vp9-encoder
+make -j$(nproc) all
+popd
+
+# build fuzzers
+fuzzer_src_name=vpx_dec_fuzzer
+fuzzer_decoders=( 'vp9' 'vp8' )
+for decoder in "${fuzzer_decoders[@]}"; do
+  fuzzer_name=${fuzzer_src_name}"_"${decoder}
+
+  $CXX $CXXFLAGS -std=c++11 \
+    -DDECODER=${decoder} \
+    -I$SRC/libvpx \
+    -I${build_dir} \
+    -Wl,--start-group \
+    $LIB_FUZZING_ENGINE \
+    $SRC/libvpx/examples/${fuzzer_src_name}.cc -o $OUT/${fuzzer_name} \
+    ${build_dir}/libvpx.a \
+    -Wl,--end-group
+  cp $SRC/vpx_fuzzer_seed_corpus.zip $OUT/${fuzzer_name}_seed_corpus.zip
+  cp $SRC/vpx_dec_fuzzer.dict $OUT/${fuzzer_name}.dict
+done

benchmarks/libvpx_vpx_dec_fuzzer_vp9/vpx_dec_fuzzer.dict

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+# IVF Signature + version (bytes 0-5)
+kw1="DKIF\x00\x00"
+
+# VP9 codec fourCC (bytes 8-11)
+kw2="VP90"
+
+# VP8 codec fourCC (bytes 8-11)
+kw3="VP80"