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A few NFCs for config querying and crash replaying. #2095

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A few NFCs for config querying and crash replaying. #2095

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6 changes: 5 additions & 1 deletion centipede/centipede_interface.cc
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Original file line number Diff line number Diff line change
Expand Up @@ -775,7 +775,11 @@ int CentipedeMain(const Environment& env,
}();
Environment updated_env = env;
if (updated_env.fuzztest_corpus_database.empty()) {
FUZZTEST_CHECK_OK(serialized_target_config.status());
if (!serialized_target_config.ok()) {
FUZZTEST_LOG(ERROR) << "Failed to get the serialized target config: "
<< serialized_target_config.status();
return EXIT_FAILURE;
}
if (!serialized_target_config->empty()) {
const auto target_config =
fuzztest::internal::Configuration::Deserialize(
Expand Down
15 changes: 9 additions & 6 deletions fuzztest/internal/centipede_adaptor.cc
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Original file line number Diff line number Diff line change
Expand Up @@ -390,6 +390,8 @@ void InstallCentipedeTerminationHandler() {

int RunCentipede(const Environment& env,
const std::optional<std::string>& centipede_command) {
FUZZTEST_CHECK(!IsCentipedeRunner())
<< "Unexpected RunCentipede() in runner mode.";
if (Runtime::instance().termination_requested()) {
absl::FPrintF(GetStderr(),
"Not running Centipede due to termination requested - "
Expand Down Expand Up @@ -908,11 +910,6 @@ bool CentipedeFuzzerAdaptor::Run(int* argc, char*** argv, RunMode mode,
CentipedeSetFailureDescription(std::string{crash_type}.c_str());
});
}
if (!configuration.corpus_database.empty() &&
configuration.crashing_input_to_reproduce.has_value() &&
configuration.replay_in_single_process) {
return ReplayCrashInSingleProcess(configuration);
}
if (runner_mode) {
std::optional<int> result;
fuzzer_impl_.fixture_driver_->RunFuzzTest([&, this]() {
Expand All @@ -928,7 +925,13 @@ bool CentipedeFuzzerAdaptor::Run(int* argc, char*** argv, RunMode mode,
FUZZTEST_CHECK(result.has_value())
<< "No result is set for running fuzz test";
return *result == EXIT_SUCCESS;
} else if (is_running_property_function_in_this_process) {
}
if (!configuration.corpus_database.empty() &&
configuration.crashing_input_to_reproduce.has_value() &&
configuration.replay_in_single_process) {
return ReplayCrashInSingleProcess(configuration);
}
if (is_running_property_function_in_this_process) {
// If `is_running_property_function_in_this_process` holds at this point. We
// assume it is for `ReplayInputsIfAvailable` to handle `FUZZTEST_REPLAY`
// and `FUZZTEST_MINIMIZE_REPRODUCER`, which Centipede does not support.
Expand Down
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