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#!/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.
#
################################################################################
export ASAN_OPTIONS="detect_leaks=0"
if [[ $CFLAGS = *sanitize=address* ]]
then
export CXXFLAGS="$CXXFLAGS -DASAN"
fi
if [[ $CFLAGS = *sanitize=memory* ]]
then
export CXXFLAGS="$CXXFLAGS -DMSAN"
fi
export CXXFLAGS="$CXXFLAGS -D_GLIBCXX_DEBUG"
# Build libogg
mkdir $SRC/libogg-install
cd $SRC/ogg
./autogen.sh
./configure --disable-crc --disable-shared --prefix="$SRC/libogg-install"
make -j$(nproc)
make install
# Build libflac
cd $SRC/flac/
./autogen.sh
if [[ $CFLAGS = *sanitize=memory* ]]
then
export CFLAGS="$CFLAGS -D_FORTIFY_SOURCE=0"
LD_LIBRARY_PATH="$SRC/libogg-install/lib" ./configure --with-ogg="$SRC/libogg-install" --enable-static --disable-shared --disable-oggtest --disable-examples --disable-xmms-plugin --disable-asm-optimizations --disable-sse --enable-oss-fuzzers
else
LD_LIBRARY_PATH="$SRC/libogg-install/lib" ./configure --with-ogg="$SRC/libogg-install" --enable-static --disable-shared --disable-oggtest --disable-examples --disable-xmms-plugin --enable-oss-fuzzers
fi
make -j$(nproc)
# Copy encoder fuzzers
cd $SRC/flac/oss-fuzz
cp fuzzer_encoder fuzzer_encoder_v2 $OUT
# Build libflac again for decoder fuzzers, but now with additional define
cd $SRC/flac/
echo "#define FUZZING_BUILD_MODE_NO_SANITIZE_SIGNED_INTEGER_OVERFLOW" >> config.h
make -j$(nproc)
# Copy decoder fuzzers
cd $SRC/flac/oss-fuzz
cp fuzzer_decoder fuzzer_seek fuzzer_metadata $OUT
cp fuzzer_*.dict $OUT
cd $SRC
# Build fuzzer_exo
$CXX $CXXFLAGS -I $SRC/flac/include/ -I $SRC/ExoPlayer/extensions/flac/src/main/jni/ -I /usr/lib/jvm/java-11-openjdk-amd64/include/ -I /usr/lib/jvm/java-11-openjdk-amd64/include/linux/ fuzzer_exo.cpp \
$SRC/flac/src/libFLAC++/.libs/libFLAC++.a $SRC/flac/src/libFLAC/.libs/libFLAC.a $SRC/libogg-install/lib/libogg.a $LIB_FUZZING_ENGINE -o $OUT/fuzzer_exo
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