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13 changes: 13 additions & 0 deletions centipede/centipede_interface.cc
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Original file line number Diff line number Diff line change
Expand Up @@ -659,6 +659,7 @@ int UpdateCorpusDatabaseForFuzzTests(

int ListCrashIds(const Environment& env,
const fuzztest::internal::Configuration& target_config) {
fprintf(stderr, "[DEBUG_CENTIPEDE] ListCrashIds called!\n");
FUZZTEST_CHECK(!env.list_crash_ids_file.empty())
<< "Need list_crash_ids_file to be set for listing crash IDs";
FUZZTEST_CHECK_EQ(target_config.fuzz_tests_in_current_shard.size(), 1);
Expand All @@ -668,19 +669,31 @@ int ListCrashIds(const Environment& env,
target_config.binary_identifier /
target_config.fuzz_tests_in_current_shard[0] /
"crashing";
fprintf(stderr, "[DEBUG_CENTIPEDE] crash_dir: '%s'\n", crash_dir.c_str());
fprintf(stderr, "[DEBUG_CENTIPEDE] RemotePathExists(crash_dir): %d\n",
RemotePathExists(crash_dir.string()));
if (RemotePathExists(crash_dir.string())) {
fprintf(stderr, "[DEBUG_CENTIPEDE] RemotePathIsDirectory(crash_dir): %d\n",
RemotePathIsDirectory(crash_dir.string()));
FUZZTEST_CHECK(RemotePathIsDirectory(crash_dir.string()))
<< "Crash dir " << crash_dir << " in the corpus database "
<< target_config.corpus_database << " is not a directory";
crash_paths =
ValueOrDie(RemoteListFiles(crash_dir.string(), /*recursively=*/false));
fprintf(stderr, "[DEBUG_CENTIPEDE] RemoteListFiles found %zu paths\n",
crash_paths.size());
for (const auto& path : crash_paths) {
fprintf(stderr, " [DEBUG_CENTIPEDE] path: '%s'\n", path.c_str());
}
}
std::vector<std::string> results;
results.reserve(crash_paths.size());
for (const auto& crash_path : crash_paths) {
std::string crash_id = std::filesystem::path{crash_path}.filename();
results.push_back(std::move(crash_id));
}
fprintf(stderr, "[DEBUG_CENTIPEDE] writing %zu results to %s\n",
results.size(), env.list_crash_ids_file.c_str());
FUZZTEST_CHECK_OK(RemoteFileSetContents(env.list_crash_ids_file,
absl::StrJoin(results, "\n")));
return EXIT_SUCCESS;
Expand Down
21 changes: 18 additions & 3 deletions fuzztest/internal/corpus_database.cc
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Original file line number Diff line number Diff line change
Expand Up @@ -14,6 +14,7 @@

#include "./fuzztest/internal/corpus_database.h"

#include <cstdio>
#include <string>
#include <vector>

Expand All @@ -28,9 +29,23 @@ namespace {
std::vector<std::string> GetInputs(
absl::string_view corpus_path_for_test_binary, absl::string_view test_name,
absl::string_view subdir) {
if (corpus_path_for_test_binary.empty()) return {};
return ListDirectory(
absl::StrCat(corpus_path_for_test_binary, "/", test_name, "/", subdir));
if (corpus_path_for_test_binary.empty()) {
fprintf(
stderr,
"[DEBUG_CORPUS] GetInputs: corpus_path_for_test_binary is empty!\n");
return {};
}
std::string path =
absl::StrCat(corpus_path_for_test_binary, "/", test_name, "/", subdir);
fprintf(stderr, "[DEBUG_CORPUS] GetInputs: listing directory path: '%s'\n",
path.c_str());
auto results = ListDirectory(path);
fprintf(stderr, "[DEBUG_CORPUS] GetInputs: found %zu files in '%s'\n",
results.size(), path.c_str());
for (const auto& file : results) {
fprintf(stderr, " [DEBUG_CORPUS] file: '%s'\n", file.c_str());
}
return results;
}

} // namespace
Expand Down
13 changes: 13 additions & 0 deletions fuzztest/internal/googletest_adaptor.cc
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Original file line number Diff line number Diff line change
Expand Up @@ -71,20 +71,33 @@ void RegisterFuzzTestAsGTest(int* argc, char*** argv, FuzzTest& test,
nullptr, test.file().c_str(), test.line(), std::move(fixture_factory));
}

#include <cstdio>

template <typename T>
void RegisterSeparateRegressionTestForEachCrashingInput(
int* argc, char*** argv, FuzzTest& test,
const Configuration& configuration) {
fprintf(stderr,
"[DEBUG_ADAPTOR] RegisterSeparateRegressionTestForEachCrashingInput "
"for test '%s'\n",
test.full_name().c_str());
fprintf(stderr, "[DEBUG_ADAPTOR] reproduce_findings_as_separate_tests: %d\n",
configuration.reproduce_findings_as_separate_tests);
if (!configuration.reproduce_findings_as_separate_tests) return;
#ifdef FUZZTEST_USE_CENTIPEDE
fprintf(stderr, "[DEBUG_ADAPTOR] FUZZTEST_USE_CENTIPEDE is defined\n");
const std::vector<std::string> crash_inputs =
ListCrashIdsUsingCentipede(configuration, test.full_name());
#else
fprintf(stderr, "[DEBUG_ADAPTOR] FUZZTEST_USE_CENTIPEDE is NOT defined\n");
CorpusDatabase corpus_database(configuration);
const std::vector<std::string> crash_inputs =
corpus_database.GetCrashingInputsIfAny(test.full_name());
#endif
fprintf(stderr, "[DEBUG_ADAPTOR] found %zu crash inputs\n",
crash_inputs.size());
for (const std::string& input : crash_inputs) {
fprintf(stderr, " [DEBUG_ADAPTOR] crash input: '%s'\n", input.c_str());
Configuration updated_configuration = configuration;
updated_configuration.crashing_input_to_reproduce = input;
RegisterFuzzTestAsGTest<T>(argc, argv, test, updated_configuration, input);
Expand Down
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