140 lines
6.3 KiB
Bash
Executable File
140 lines
6.3 KiB
Bash
Executable File
#!/bin/bash -eu
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# Copyright 2018 Google Inc.
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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#
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################################################################################
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declare -r FUZZ_TARGET_QUERY='
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let all_fuzz_tests = attr(tags, "fuzz_target", "...") in
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$all_fuzz_tests - attr(tags, "no_fuzz", $all_fuzz_tests)
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'
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declare -r OSS_FUZZ_TARGETS="$(bazel query "${FUZZ_TARGET_QUERY}" | sed 's/$/_oss_fuzz/')"
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declare -r EXTRA_BAZEL_FLAGS="$(
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if [ "$SANITIZER" = "undefined" ]
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then
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# Bazel uses clang to link binary, which does not link clang_rt ubsan library for C++ automatically.
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# See issue: https://github.com/bazelbuild/bazel/issues/8777
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echo "--linkopt=\"$(find $(llvm-config --libdir) -name libclang_rt.ubsan_standalone_cxx-x86_64.a | head -1)\""
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elif [ "$SANITIZER" = "address" ]
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then
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echo "--copt=-D__SANITIZE_ADDRESS__" "--copt=-DADDRESS_SANITIZER=1" "--linkopt=-fsanitize=address"
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fi
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)"
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# The Envoy build configuration may clobber CFLAGS/CXXFLAGS, so we use separate
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# environment variables that are understood by rules_fuzzing.
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export FUZZING_CFLAGS="$CFLAGS"
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export FUZZING_CXXFLAGS="$CXXFLAGS"
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# Disable instrumentation in various external libraries. These
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# are fuzzed elsewhere.
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# The following disables both coverage-instrumentation and other sanitizer instrumentation.
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# We disable instrumentation in:
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# antlr4
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# google_protobuf
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# absl
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# googltest
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# grpc
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# boringssl
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# re2
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# upb
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# brotli
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# cel_cpp
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# yaml_cpp
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# wasm_cpp_host
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# libprotobuf-mutator
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# google_url (gurl)
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# lightstep_tracer
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# In addition to this, we disable instrumentation in all *.pb.cc (protobuf-generated files)
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# and everything in the bazel-out directory.
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declare -r DI="$(
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if [ "$SANITIZER" != "coverage" ]
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then
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# Envoy code. Disable coverage instrumentation
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echo " --per_file_copt=^.*source/extensions/access_loggers/.*\.cc\$@-fsanitize-coverage=0"
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echo " --per_file_copt=^.*source/common/protobuf/.*\.cc\$@-fsanitize-coverage=0"
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# Envoy test code. Disable coverage instrumentation
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echo " --per_file_copt=^.*test/.*\.cc\$@-fsanitize-coverage=0"
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# External dependencies. Disable all instrumentation.
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echo " --per_file_copt=^.*antlr4_runtimes.*\.cpp\$@-fsanitize-coverage=0,-fno-sanitize=all"
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echo " --per_file_copt=^.*com_google_protobuf.*\.cc\$@-fsanitize-coverage=0,-fno-sanitize=all"
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echo " --per_file_copt=^.*com_google_absl.*\.cc\$@-fsanitize-coverage=0,-fno-sanitize=all"
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echo " --per_file_copt=^.*googletest.*\.cc\$@-fsanitize-coverage=0,-fno-sanitize=all"
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echo " --per_file_copt=^.*com_github_grpc_grpc.*\.cc\$@-fsanitize-coverage=0,-fno-sanitize=all"
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echo " --per_file_copt=^.*boringssl.*\.cc\$@-fsanitize-coverage=0,-fno-sanitize=all"
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echo " --per_file_copt=^.*com_googlesource_code_re2.*\.cc\$@-fsanitize-coverage=0,-fno-sanitize=all"
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echo " --per_file_copt=^.*upb.*\.cpp\$@-fsanitize-coverage=0,-fno-sanitize=all"
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echo " --per_file_copt=^.*org_brotli.*\.cpp\$@-fsanitize-coverage=0,-fno-sanitize=all"
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echo " --per_file_copt=^.*com_google_cel_cpp.*\.cpp\$@-fsanitize-coverage=0,-fno-sanitize=all"
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echo " --per_file_copt=^.*com_github_jbeder_yaml_cpp.*\.cpp\$@-fsanitize-coverage=0,-fno-sanitize=all"
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echo " --per_file_copt=^.*proxy_wasm_cpp_host/.*\.cc\$@-fsanitize-coverage=0,-fno-sanitize=all"
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echo " --per_file_copt=^.*com_github_google_libprotobuf_mutator/.*\.cc\$@-fsanitize-coverage=0,-fno-sanitize=all"
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echo " --per_file_copt=^.*com_googlesource_googleurl/.*\.cc\$@-fsanitize-coverage=0,-fno-sanitize=all"
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echo " --per_file_copt=^.*com_lightstep_tracer_cpp/.*\.cc\$@-fsanitize-coverage=0,-fno-sanitize=all"
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# All protobuf code and code in bazel-out
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echo " --per_file_copt=^.*\.pb\.cc\$@-fsanitize-coverage=0,-fno-sanitize=all"
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echo " --per_file_copt=^.*bazel-out/.*\.cc\$@-fsanitize-coverage=0,-fno-sanitize=all"
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fi
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)"
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# Benchmark about 3 GB per CPU (10 threads for 28.8 GB RAM)
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# TODO(asraa): Remove deprecation warnings when Envoy and deps moves to C++17
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bazel build --verbose_failures --dynamic_mode=off ${DI} \
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--spawn_strategy=standalone --genrule_strategy=standalone \
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--local_cpu_resources=HOST_CPUS*0.32 \
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--//source/extensions/wasm_runtime/v8:enabled=false \
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--build_tag_filters=-no_asan --config=oss-fuzz \
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${EXTRA_BAZEL_FLAGS} \
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${OSS_FUZZ_TARGETS[*]}
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# Profiling with coverage requires that we resolve+copy all Bazel symlinks and
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# also remap everything under proc/self/cwd to correspond to Bazel build paths.
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if [ "$SANITIZER" = "coverage" ]
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then
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# The build invoker looks for sources in $SRC, but it turns out that we need
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# to not be buried under src/, paths are expected at out/proc/self/cwd by
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# the profiler.
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declare -r REMAP_PATH="${OUT}/proc/self/cwd"
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mkdir -p "${REMAP_PATH}"
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# For .cc, we only really care about source/ today.
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rsync -av "${SRC}"/envoy/source "${REMAP_PATH}"
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rsync -av "${SRC}"/envoy/test "${REMAP_PATH}"
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# Remove filesystem loop manually.
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rm -rf "${SRC}"/envoy/bazel-envoy/external/envoy
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# Clean up symlinks with a missing referrant.
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find "${SRC}"/envoy/bazel-envoy/external -follow -type l -ls -delete || echo "Symlink cleanup soft fail"
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rsync -avLk "${SRC}"/envoy/bazel-envoy/external "${REMAP_PATH}"
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# For .h, and some generated artifacts, we need bazel-out/. Need to heavily
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# filter out the build objects from bazel-out/. Also need to resolve symlinks,
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# since they don't make sense outside the build container.
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declare -r RSYNC_FILTER_ARGS=("--include" "*.h" "--include" "*.cc" "--include" \
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"*.hpp" "--include" "*.cpp" "--include" "*.c" "--include" "*/" "--exclude" "*")
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rsync -avLk "${RSYNC_FILTER_ARGS[@]}" "${SRC}"/envoy/bazel-out "${REMAP_PATH}"
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rsync -avLkR "${RSYNC_FILTER_ARGS[@]}" "${HOME}" "${OUT}"
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rsync -avLkR "${RSYNC_FILTER_ARGS[@]}" /tmp "${OUT}"
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fi
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for oss_fuzz_archive in $(find bazel-bin/ -name '*_oss_fuzz.tar'); do
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tar -xvf "${oss_fuzz_archive}" -C "${OUT}"
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done
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# Cleanup bazel- symlinks to avoid oss-fuzz trying to copy out of the build
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# cache.
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rm -f bazel-*
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