| #!/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. |
| # |
| ################################################################################ |
| |
| declare -r FUZZ_TARGET_QUERY=' |
| let all_fuzz_tests = attr(tags, "fuzz_target", "...") in |
| $all_fuzz_tests - attr(tags, "no_fuzz", $all_fuzz_tests) |
| ' |
| declare -r OSS_FUZZ_TARGETS="$(bazel query "${FUZZ_TARGET_QUERY}" | sed 's/$/_oss_fuzz/')" |
| |
| declare -r EXTRA_BAZEL_FLAGS="$( |
| if [ "$SANITIZER" = "undefined" ] |
| then |
| # Bazel uses clang to link binary, which does not link clang_rt ubsan library for C++ automatically. |
| # See issue: https://github.com/bazelbuild/bazel/issues/8777 |
| echo "--linkopt=\"$(find $(llvm-config --libdir) -name libclang_rt.ubsan_standalone_cxx-x86_64.a | head -1)\"" |
| elif [ "$SANITIZER" = "address" ] |
| then |
| echo "--copt=-D__SANITIZE_ADDRESS__" "--copt=-DADDRESS_SANITIZER=1" "--linkopt=-fsanitize=address" |
| fi |
| )" |
| |
| # The Envoy build configuration may clobber CFLAGS/CXXFLAGS, so we use separate |
| # environment variables that are understood by rules_fuzzing. |
| export FUZZING_CFLAGS="$CFLAGS" |
| export FUZZING_CXXFLAGS="$CXXFLAGS" |
| |
| # Benchmark about 3 GB per CPU (10 threads for 28.8 GB RAM) |
| # TODO(asraa): Remove deprecation warnings when Envoy and deps moves to C++17 |
| bazel build --verbose_failures --dynamic_mode=off \ |
| --spawn_strategy=standalone --genrule_strategy=standalone \ |
| --local_cpu_resources=HOST_CPUS*0.32 \ |
| --//source/extensions/wasm_runtime/v8:enabled=false \ |
| --build_tag_filters=-no_asan --config=oss-fuzz \ |
| ${EXTRA_BAZEL_FLAGS} \ |
| ${OSS_FUZZ_TARGETS[*]} |
| |
| # Profiling with coverage requires that we resolve+copy all Bazel symlinks and |
| # also remap everything under proc/self/cwd to correspond to Bazel build paths. |
| if [ "$SANITIZER" = "coverage" ] |
| then |
| # The build invoker looks for sources in $SRC, but it turns out that we need |
| # to not be buried under src/, paths are expected at out/proc/self/cwd by |
| # the profiler. |
| declare -r REMAP_PATH="${OUT}/proc/self/cwd" |
| mkdir -p "${REMAP_PATH}" |
| # For .cc, we only really care about source/ today. |
| rsync -av "${SRC}"/envoy/source "${REMAP_PATH}" |
| rsync -av "${SRC}"/envoy/test "${REMAP_PATH}" |
| # Remove filesystem loop manually. |
| rm -rf "${SRC}"/envoy/bazel-envoy/external/envoy |
| # Clean up symlinks with a missing referrant. |
| find "${SRC}"/envoy/bazel-envoy/external -follow -type l -ls -delete || echo "Symlink cleanup soft fail" |
| rsync -avLk "${SRC}"/envoy/bazel-envoy/external "${REMAP_PATH}" |
| # For .h, and some generated artifacts, we need bazel-out/. Need to heavily |
| # filter out the build objects from bazel-out/. Also need to resolve symlinks, |
| # since they don't make sense outside the build container. |
| declare -r RSYNC_FILTER_ARGS=("--include" "*.h" "--include" "*.cc" "--include" \ |
| "*.hpp" "--include" "*.cpp" "--include" "*.c" "--include" "*/" "--exclude" "*") |
| rsync -avLk "${RSYNC_FILTER_ARGS[@]}" "${SRC}"/envoy/bazel-out "${REMAP_PATH}" |
| rsync -avLkR "${RSYNC_FILTER_ARGS[@]}" "${HOME}" "${OUT}" |
| rsync -avLkR "${RSYNC_FILTER_ARGS[@]}" /tmp "${OUT}" |
| fi |
| |
| for oss_fuzz_archive in $(find bazel-bin/ -name '*_oss_fuzz.tar'); do |
| tar -xvf "${oss_fuzz_archive}" -C "${OUT}" |
| done |
| |
| # Cleanup bazel- symlinks to avoid oss-fuzz trying to copy out of the build |
| # cache. |
| rm -f bazel-* |