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# Copyright 2021 The Tint Authors
#
# 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.
import("//build_overrides/build.gni")
import("../tint_overrides_with_defaults.gni")
# Fuzzers - Libfuzzer based fuzzing targets for Chromium
# To run the fuzzers outside of Chromium, use the CMake based builds.
if (build_with_chromium) {
import("//testing/libfuzzer/fuzzer_test.gni")
fuzzer_corpus_wgsl_dir = "${target_gen_dir}/fuzzer_corpus_wgsl"
action("tint_generate_wgsl_corpus") {
script = "generate_wgsl_corpus.py"
sources = [ "generate_wgsl_corpus.py" ]
args = [
rebase_path("${tint_root_dir}/test", root_build_dir),
rebase_path(fuzzer_corpus_wgsl_dir, root_build_dir),
]
outputs = [ fuzzer_corpus_wgsl_dir ]
}
fuzzer_corpus_spirv_dir = "${target_gen_dir}/fuzzer_corpus_spirv"
action("tint_generate_spirv_corpus") {
# The spirv-as tool is used to turn SPIR-V assembly files into binary form.
# When cross compiling, it is important that spirv-as is built for the
# *host* tool chain, and that the host version of spirv-as is used to
# prepare the corpus.
spirv_as_target = "${tint_spirv_tools_dir}/:spirv-as(${host_toolchain})"
spirv_as_out_dir = get_label_info(spirv_as_target, "root_out_dir")
deps = [ spirv_as_target ]
script = "generate_spirv_corpus.py"
sources = [ "generate_spirv_corpus.py" ]
args = [
rebase_path("${tint_root_dir}/test", root_build_dir),
rebase_path(fuzzer_corpus_spirv_dir, root_build_dir),
rebase_path("${spirv_as_out_dir}/spirv-as", root_build_dir),
]
outputs = [ fuzzer_corpus_spirv_dir ]
}
tint_ast_fuzzer_common_libfuzzer_options = [
"cross_over=0",
"max_len=1000000",
"mutate_depth=1",
"tint_enable_all_mutations=false",
"tint_mutation_batch_size=5",
]
tint_spirv_tools_fuzzer_common_libfuzzer_options = [
"cross_over=0",
"max_len=1000000",
"mutate_depth=1",
"tint_enable_all_fuzzer_passes=true",
"tint_enable_all_reduce_passes=true",
"tint_mutator_cache_size=30",
"tint_mutator_type=fuzz,opt,reduce",
"tint_opt_batch_size=5",
"tint_reduction_batch_size=5",
"tint_repeated_pass_strategy=looped",
"tint_transformation_batch_size=5",
]
tint_regex_fuzzer_common_libfuzzer_options = [
"cross_over=0",
"max_len=100000",
"mutate_depth=1",
]
# fuzzer_test doesn't have configs members, so need to define them in an empty
# source_set.
source_set("tint_fuzzer_common") {
public_configs = [
"${tint_root_dir}/src:tint_config",
"${tint_root_dir}/src:tint_common_config",
]
public_deps = [
"${tint_root_dir}/src:libtint",
"${tint_spirv_tools_dir}/:spvtools_val",
]
sources = [
"tint_common_fuzzer.cc",
"tint_common_fuzzer.h",
]
}
source_set("tint_fuzzer_common_with_init") {
public_deps = [ ":tint_fuzzer_common" ]
sources = [
"cli.cc",
"cli.h",
"tint_init_fuzzer.cc",
"tint_init_fuzzer.h",
]
}
if (tint_build_wgsl_reader) {
fuzzer_test("tint_wgsl_reader_fuzzer") {
sources = [ "tint_wgsl_reader_fuzzer.cc" ]
deps = [ ":tint_fuzzer_common_with_init" ]
dict = "dictionary.txt"
seed_corpus = fuzzer_corpus_wgsl_dir
seed_corpus_deps = [ ":tint_generate_wgsl_corpus" ]
}
}
if (tint_build_wgsl_reader && tint_build_wgsl_writer) {
fuzzer_test("tint_ast_wgsl_writer_fuzzer") {
sources = []
deps = [ "tint_ast_fuzzer:tint_ast_fuzzer" ]
libfuzzer_options = tint_ast_fuzzer_common_libfuzzer_options +
[ "tint_fuzzing_target=wgsl" ]
seed_corpus = fuzzer_corpus_wgsl_dir
seed_corpus_deps = [ ":tint_generate_wgsl_corpus" ]
}
fuzzer_test("tint_regex_wgsl_writer_fuzzer") {
sources = []
deps = [ "tint_regex_fuzzer:tint_regex_fuzzer" ]
libfuzzer_options = tint_regex_fuzzer_common_libfuzzer_options +
[ "tint_fuzzing_target=wgsl" ]
seed_corpus = fuzzer_corpus_wgsl_dir
seed_corpus_deps = [ ":tint_generate_wgsl_corpus" ]
}
fuzzer_test("tint_wgsl_reader_wgsl_writer_fuzzer") {
sources = [ "tint_wgsl_reader_wgsl_writer_fuzzer.cc" ]
deps = [ ":tint_fuzzer_common_with_init" ]
dict = "dictionary.txt"
seed_corpus = fuzzer_corpus_wgsl_dir
seed_corpus_deps = [ ":tint_generate_wgsl_corpus" ]
}
}
if (tint_build_wgsl_reader && tint_build_spv_writer) {
fuzzer_test("tint_all_transforms_fuzzer") {
sources = [ "tint_all_transforms_fuzzer.cc" ]
deps = [ ":tint_fuzzer_common_with_init" ]
dict = "dictionary.txt"
seed_corpus = fuzzer_corpus_wgsl_dir
seed_corpus_deps = [ ":tint_generate_wgsl_corpus" ]
}
fuzzer_test("tint_ast_spv_writer_fuzzer") {
sources = []
deps = [ "tint_ast_fuzzer:tint_ast_fuzzer" ]
libfuzzer_options = tint_ast_fuzzer_common_libfuzzer_options +
[ "tint_fuzzing_target=spv" ]
seed_corpus = fuzzer_corpus_wgsl_dir
seed_corpus_deps = [ ":tint_generate_wgsl_corpus" ]
}
fuzzer_test("tint_binding_remapper_fuzzer") {
sources = [ "tint_binding_remapper_fuzzer.cc" ]
deps = [ ":tint_fuzzer_common_with_init" ]
dict = "dictionary.txt"
seed_corpus = fuzzer_corpus_wgsl_dir
seed_corpus_deps = [ ":tint_generate_wgsl_corpus" ]
}
fuzzer_test("tint_first_index_offset_fuzzer") {
sources = [ "tint_first_index_offset_fuzzer.cc" ]
deps = [ ":tint_fuzzer_common_with_init" ]
dict = "dictionary.txt"
seed_corpus = fuzzer_corpus_wgsl_dir
seed_corpus_deps = [ ":tint_generate_wgsl_corpus" ]
}
fuzzer_test("tint_inspector_fuzzer") {
sources = [ "tint_inspector_fuzzer.cc" ]
deps = [ ":tint_fuzzer_common_with_init" ]
dict = "dictionary.txt"
seed_corpus = fuzzer_corpus_wgsl_dir
seed_corpus_deps = [ ":tint_generate_wgsl_corpus" ]
}
fuzzer_test("tint_regex_spv_writer_fuzzer") {
sources = []
deps = [ "tint_regex_fuzzer:tint_regex_fuzzer" ]
libfuzzer_options = tint_regex_fuzzer_common_libfuzzer_options +
[ "tint_fuzzing_target=spv" ]
seed_corpus = fuzzer_corpus_wgsl_dir
seed_corpus_deps = [ ":tint_generate_wgsl_corpus" ]
}
fuzzer_test("tint_renamer_fuzzer") {
sources = [ "tint_renamer_fuzzer.cc" ]
deps = [ ":tint_fuzzer_common_with_init" ]
dict = "dictionary.txt"
seed_corpus = fuzzer_corpus_wgsl_dir
seed_corpus_deps = [ ":tint_generate_wgsl_corpus" ]
}
fuzzer_test("tint_robustness_fuzzer") {
sources = [ "tint_robustness_fuzzer.cc" ]
deps = [ ":tint_fuzzer_common_with_init" ]
dict = "dictionary.txt"
seed_corpus = fuzzer_corpus_wgsl_dir
seed_corpus_deps = [ ":tint_generate_wgsl_corpus" ]
}
fuzzer_test("tint_single_entry_point_fuzzer") {
sources = [ "tint_single_entry_point_fuzzer.cc" ]
deps = [ ":tint_fuzzer_common_with_init" ]
dict = "dictionary.txt"
seed_corpus = fuzzer_corpus_wgsl_dir
seed_corpus_deps = [ ":tint_generate_wgsl_corpus" ]
}
fuzzer_test("tint_vertex_pulling_fuzzer") {
sources = [ "tint_vertex_pulling_fuzzer.cc" ]
deps = [ ":tint_fuzzer_common_with_init" ]
dict = "dictionary.txt"
seed_corpus = fuzzer_corpus_wgsl_dir
seed_corpus_deps = [ ":tint_generate_wgsl_corpus" ]
}
fuzzer_test("tint_wgsl_reader_spv_writer_fuzzer") {
sources = [ "tint_wgsl_reader_spv_writer_fuzzer.cc" ]
deps = [ ":tint_fuzzer_common_with_init" ]
dict = "dictionary.txt"
seed_corpus = fuzzer_corpus_wgsl_dir
seed_corpus_deps = [ ":tint_generate_wgsl_corpus" ]
}
}
if (tint_build_wgsl_reader && tint_build_hlsl_writer) {
fuzzer_test("tint_ast_hlsl_writer_fuzzer") {
sources = []
deps = [ "tint_ast_fuzzer:tint_ast_fuzzer" ]
libfuzzer_options = tint_ast_fuzzer_common_libfuzzer_options +
[ "tint_fuzzing_target=hlsl" ]
seed_corpus = fuzzer_corpus_wgsl_dir
seed_corpus_deps = [ ":tint_generate_wgsl_corpus" ]
}
fuzzer_test("tint_regex_hlsl_writer_fuzzer") {
sources = []
deps = [ "tint_regex_fuzzer:tint_regex_fuzzer" ]
libfuzzer_options = tint_regex_fuzzer_common_libfuzzer_options +
[ "tint_fuzzing_target=hlsl" ]
seed_corpus = fuzzer_corpus_wgsl_dir
seed_corpus_deps = [ ":tint_generate_wgsl_corpus" ]
}
fuzzer_test("tint_wgsl_reader_hlsl_writer_fuzzer") {
sources = [ "tint_wgsl_reader_hlsl_writer_fuzzer.cc" ]
deps = [ ":tint_fuzzer_common_with_init" ]
dict = "dictionary.txt"
seed_corpus = fuzzer_corpus_wgsl_dir
seed_corpus_deps = [ ":tint_generate_wgsl_corpus" ]
}
}
if (tint_build_wgsl_reader && tint_build_msl_writer) {
fuzzer_test("tint_ast_msl_writer_fuzzer") {
sources = []
deps = [ "tint_ast_fuzzer:tint_ast_fuzzer" ]
libfuzzer_options = tint_ast_fuzzer_common_libfuzzer_options +
[ "tint_fuzzing_target=msl" ]
seed_corpus = fuzzer_corpus_wgsl_dir
seed_corpus_deps = [ ":tint_generate_wgsl_corpus" ]
}
fuzzer_test("tint_regex_msl_writer_fuzzer") {
sources = []
deps = [ "tint_regex_fuzzer:tint_regex_fuzzer" ]
libfuzzer_options = tint_regex_fuzzer_common_libfuzzer_options +
[ "tint_fuzzing_target=msl" ]
seed_corpus = fuzzer_corpus_wgsl_dir
seed_corpus_deps = [ ":tint_generate_wgsl_corpus" ]
}
fuzzer_test("tint_wgsl_reader_msl_writer_fuzzer") {
sources = [ "tint_wgsl_reader_msl_writer_fuzzer.cc" ]
deps = [ ":tint_fuzzer_common_with_init" ]
dict = "dictionary.txt"
seed_corpus = fuzzer_corpus_wgsl_dir
seed_corpus_deps = [ ":tint_generate_wgsl_corpus" ]
}
}
if (tint_build_spv_reader) {
fuzzer_test("tint_spv_reader_fuzzer") {
sources = [ "tint_spv_reader_fuzzer.cc" ]
deps = [ ":tint_fuzzer_common_with_init" ]
seed_corpus = fuzzer_corpus_spirv_dir
seed_corpus_deps = [ ":tint_generate_spirv_corpus" ]
}
}
if (tint_build_spv_reader && tint_build_wgsl_writer) {
fuzzer_test("tint_spv_reader_wgsl_writer_fuzzer") {
sources = [ "tint_spv_reader_wgsl_writer_fuzzer.cc" ]
deps = [ ":tint_fuzzer_common_with_init" ]
seed_corpus = fuzzer_corpus_spirv_dir
seed_corpus_deps = [ ":tint_generate_spirv_corpus" ]
}
fuzzer_test("tint_spirv_tools_wgsl_writer_fuzzer") {
sources = []
deps = [ "tint_spirv_tools_fuzzer:tint_spirv_tools_fuzzer" ]
libfuzzer_options = tint_spirv_tools_fuzzer_common_libfuzzer_options +
[ "tint_fuzzing_target=wgsl" ]
seed_corpus = fuzzer_corpus_spirv_dir
seed_corpus_deps = [ ":tint_generate_spirv_corpus" ]
}
}
if (tint_build_spv_reader && tint_build_spv_writer) {
fuzzer_test("tint_spv_reader_spv_writer_fuzzer") {
sources = [ "tint_spv_reader_spv_writer_fuzzer.cc" ]
deps = [ ":tint_fuzzer_common_with_init" ]
seed_corpus = fuzzer_corpus_spirv_dir
seed_corpus_deps = [ ":tint_generate_spirv_corpus" ]
}
fuzzer_test("tint_spirv_tools_spv_writer_fuzzer") {
sources = []
deps = [ "tint_spirv_tools_fuzzer:tint_spirv_tools_fuzzer" ]
libfuzzer_options = tint_spirv_tools_fuzzer_common_libfuzzer_options +
[ "tint_fuzzing_target=spv" ]
seed_corpus = fuzzer_corpus_spirv_dir
seed_corpus_deps = [ ":tint_generate_spirv_corpus" ]
}
}
if (tint_build_spv_reader && tint_build_hlsl_writer) {
fuzzer_test("tint_spv_reader_hlsl_writer_fuzzer") {
sources = [ "tint_spv_reader_hlsl_writer_fuzzer.cc" ]
deps = [ ":tint_fuzzer_common_with_init" ]
seed_corpus = fuzzer_corpus_spirv_dir
seed_corpus_deps = [ ":tint_generate_spirv_corpus" ]
}
fuzzer_test("tint_spirv_tools_hlsl_writer_fuzzer") {
sources = []
deps = [ "tint_spirv_tools_fuzzer:tint_spirv_tools_fuzzer" ]
libfuzzer_options = tint_spirv_tools_fuzzer_common_libfuzzer_options +
[ "tint_fuzzing_target=hlsl" ]
seed_corpus = fuzzer_corpus_spirv_dir
seed_corpus_deps = [ ":tint_generate_spirv_corpus" ]
}
}
if (tint_build_spv_reader && tint_build_msl_writer) {
fuzzer_test("tint_spv_reader_msl_writer_fuzzer") {
sources = [ "tint_spv_reader_msl_writer_fuzzer.cc" ]
deps = [ ":tint_fuzzer_common_with_init" ]
seed_corpus = fuzzer_corpus_spirv_dir
seed_corpus_deps = [ ":tint_generate_spirv_corpus" ]
}
fuzzer_test("tint_spirv_tools_msl_writer_fuzzer") {
sources = []
deps = [ "tint_spirv_tools_fuzzer:tint_spirv_tools_fuzzer" ]
libfuzzer_options = tint_spirv_tools_fuzzer_common_libfuzzer_options +
[ "tint_fuzzing_target=msl" ]
seed_corpus = fuzzer_corpus_spirv_dir
seed_corpus_deps = [ ":tint_generate_spirv_corpus" ]
}
}
if (tint_build_wgsl_reader && tint_build_wgsl_writer) {
fuzzer_test("tint_ast_clone_fuzzer") {
sources = [ "tint_ast_clone_fuzzer.cc" ]
deps = [ ":tint_fuzzer_common_with_init" ]
dict = "dictionary.txt"
seed_corpus = fuzzer_corpus_wgsl_dir
seed_corpus_deps = [ ":tint_generate_wgsl_corpus" ]
}
}
group("fuzzers") {
testonly = true
deps = []
if (tint_build_wgsl_reader) {
deps += [ ":tint_wgsl_reader_fuzzer" ]
}
if (tint_build_wgsl_reader && tint_build_wgsl_writer) {
deps += [
":tint_ast_wgsl_writer_fuzzer",
":tint_regex_wgsl_writer_fuzzer",
":tint_wgsl_reader_wgsl_writer_fuzzer",
]
}
if (tint_build_wgsl_reader && tint_build_spv_writer) {
deps += [
":tint_all_transforms_fuzzer",
":tint_ast_spv_writer_fuzzer",
":tint_binding_remapper_fuzzer",
":tint_first_index_offset_fuzzer",
":tint_inspector_fuzzer",
":tint_regex_spv_writer_fuzzer",
":tint_renamer_fuzzer",
":tint_robustness_fuzzer",
":tint_single_entry_point_fuzzer",
":tint_vertex_pulling_fuzzer",
":tint_wgsl_reader_spv_writer_fuzzer",
]
}
if (tint_build_wgsl_reader && tint_build_hlsl_writer) {
deps += [
":tint_ast_hlsl_writer_fuzzer",
":tint_regex_hlsl_writer_fuzzer",
":tint_wgsl_reader_hlsl_writer_fuzzer",
]
}
if (tint_build_wgsl_reader && tint_build_msl_writer) {
deps += [
":tint_ast_msl_writer_fuzzer",
":tint_regex_msl_writer_fuzzer",
":tint_wgsl_reader_msl_writer_fuzzer",
]
}
if (tint_build_spv_reader) {
deps += [ ":tint_spv_reader_fuzzer" ]
}
if (tint_build_spv_reader && tint_build_wgsl_writer) {
deps += [
":tint_spirv_tools_wgsl_writer_fuzzer",
":tint_spv_reader_wgsl_writer_fuzzer",
]
}
if (tint_build_spv_reader && tint_build_spv_writer) {
deps += [
":tint_spirv_tools_spv_writer_fuzzer",
":tint_spv_reader_spv_writer_fuzzer",
]
}
if (tint_build_spv_reader && tint_build_hlsl_writer) {
deps += [
":tint_spirv_tools_hlsl_writer_fuzzer",
":tint_spv_reader_hlsl_writer_fuzzer",
]
}
if (tint_build_spv_reader && tint_build_msl_writer) {
deps += [
":tint_spirv_tools_msl_writer_fuzzer",
":tint_spv_reader_msl_writer_fuzzer",
]
}
if (tint_build_wgsl_reader && tint_build_wgsl_writer) {
deps += [ ":tint_ast_clone_fuzzer" ]
}
}
} else {
group("fuzzers") {
}
}