encounter/dawn-cmake
1
0
Fork 0
mirror of https://github.com/encounter/dawn-cmake.git synced 2025-12-18 01:15:39 +00:00
Code Issues Packages Projects Releases Wiki Activity

Convert fuzzer to generating configuration data

Browse Source 
This is instead of consuming a portion of the input, so that the seed
corpus of valid shaders can be more effective.

BUG=tint:1098

Change-Id: If3696527c82c23b09edeea6ddd2a0f935e5e1ac7
Reviewed-on: https://dawn-review.googlesource.com/c/tint/+/63301
Auto-Submit: Ryan Harrison <rharrison@chromium.org>
Commit-Queue: Ben Clayton <bclayton@google.com>
Kokoro: Kokoro <noreply+kokoro@google.com>
Reviewed-by: Ben Clayton <bclayton@google.com>
This commit is contained in:
Ryan Harrison
2021-09-22 14:37:46 +00:00
committed by Tint LUCI CQ
parent 28d6763ef8
commit a617d0f0fc
15 changed files with 164 additions and 183 deletions
Download Patch File Download Diff File Expand all files Collapse all files

45
fuzzers/tint_all_transforms_fuzzer.cc
View File

@@ -12,6 +12,7 @@
// See the License for the specific language governing permissions and
// limitations under the License.
#include "fuzzers/random_generator.h"
#include "fuzzers/tint_common_fuzzer.h"
#include "fuzzers/tint_init_fuzzer.h"
@@ -19,17 +20,17 @@ namespace tint {
namespace fuzzers {
struct Config {
Config(const uint8_t* data, size_t size) : reader(data, size) {}
Reader reader;
Config(const uint8_t* data, size_t size) : builder(data, size) {}
DataBuilder builder;
transform::Manager manager;
transform::DataMap inputs;
};
bool AddPlatformIndependentPasses(Config* config) {
ExtractFirstIndexOffsetInputs(&config->reader, &config->inputs);
ExtractBindingRemapperInputs(&config->reader, &config->inputs);
ExtractSingleEntryPointInputs(&config->reader, &config->inputs);
ExtractVertexPullingInputs(&config->reader, &config->inputs);
void AddPlatformIndependentPasses(Config* config) {
GenerateFirstIndexOffsetInputs(&config->builder, &config->inputs);
GenerateBindingRemapperInputs(&config->builder, &config->inputs);
GenerateSingleEntryPointInputs(&config->builder, &config->inputs);
GenerateVertexPullingInputs(&config->builder, &config->inputs);
config->manager.Add<transform::Robustness>();
config->manager.Add<transform::FirstIndexOffset>();
@@ -37,69 +38,55 @@ bool AddPlatformIndependentPasses(Config* config) {
config->manager.Add<transform::Renamer>();
config->manager.Add<tint::transform::SingleEntryPoint>();
config->manager.Add<tint::transform::VertexPulling>();
return !config->reader.failed();
}
extern "C" int LLVMFuzzerTestOneInput(const uint8_t* data, size_t size) {
{
Config config(data, size);
if (!AddPlatformIndependentPasses(&config)) {
return 0;
}
AddPlatformIndependentPasses(&config);
fuzzers::CommonFuzzer fuzzer(InputFormat::kWGSL, OutputFormat::kSpv);
fuzzer.SetTransformManager(&(config.manager), std::move(config.inputs));
fuzzer.SetDumpInput(GetCliParams().dump_input);
fuzzer.Run(config.reader.data(), config.reader.size());
fuzzer.Run(data, size);
}
#if TINT_BUILD_HLSL_WRITER
{
Config config(data, size);
if (!AddPlatformIndependentPasses(&config)) {
return 0;
}
AddPlatformIndependentPasses(&config);
fuzzers::CommonFuzzer fuzzer(InputFormat::kWGSL, OutputFormat::kHLSL);
fuzzer.SetTransformManager(&config.manager, std::move(config.inputs));
fuzzer.SetDumpInput(GetCliParams().dump_input);
fuzzer.Run(config.reader.data(), config.reader.size());
fuzzer.Run(data, size);
}
#endif // TINT_BUILD_HLSL_WRITER
#if TINT_BUILD_MSL_WRITER
{
Config config(data, size);
if (!AddPlatformIndependentPasses(&config)) {
return 0;
}
AddPlatformIndependentPasses(&config);
fuzzers::CommonFuzzer fuzzer(InputFormat::kWGSL, OutputFormat::kMSL);
fuzzer.SetTransformManager(&config.manager, std::move(config.inputs));
fuzzer.SetDumpInput(GetCliParams().dump_input);
fuzzer.Run(config.reader.data(), config.reader.size());
fuzzer.Run(data, size);
}
#endif // TINT_BUILD_MSL_WRITER
#if TINT_BUILD_SPV_WRITER
{
Config config(data, size);
if (!AddPlatformIndependentPasses(&config)) {
return 0;
}
AddPlatformIndependentPasses(&config);
fuzzers::CommonFuzzer fuzzer(InputFormat::kWGSL, OutputFormat::kSpv);
fuzzer.SetTransformManager(&config.manager, std::move(config.inputs));
fuzzer.SetDumpInput(GetCliParams().dump_input);
fuzzer.Run(config.reader.data(), config.reader.size());
fuzzer.Run(data, size);
}
#endif // TINT_BUILD_SPV_WRITER