#!/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. # ################################################################################ # Note: This project creates Rust fuzz targets exclusively source $HOME/.cargo/env export CUSTOM_LIBFUZZER_PATH="$LIB_FUZZING_ENGINE_DEPRECATED" export CUSTOM_LIBFUZZER_STD_CXX=c++ PROJECT_DIR=$SRC/wasmtime # Because Rust does not support sanitizers via CFLAGS/CXXFLAGS, the environment # variables are overridden with values from base-images/base-clang only export CFLAGS="-O1 -fno-omit-frame-pointer -gline-tables-only -DFUZZING_BUILD_MODE_UNSAFE_FOR_PRODUCTION" export CXXFLAGS_EXTRA="-stdlib=libc++" export CXXFLAGS="$CFLAGS $CXXFLAGS_EXTRA" cd $PROJECT_DIR/fuzz && cargo fuzz build -O --debug-assertions FUZZ_TARGET_OUTPUT_DIR=$PROJECT_DIR/target/x86_64-unknown-linux-gnu/release for f in $SRC/wasmtime/fuzz/fuzz_targets/*.rs do FUZZ_TARGET_NAME=$(basename ${f%.*}) cp $FUZZ_TARGET_OUTPUT_DIR/$FUZZ_TARGET_NAME $OUT/ zip -jr $OUT/${FUZZ_TARGET_NAME}_seed_corpus.zip $PROJECT_DIR/wasmtime-libfuzzer-corpus/$FUZZ_TARGET_NAME/ done