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Disable running multiple fuzz tests by default and remove the tests. #2081

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Merged
copybara-service merged 1 commit into from
May 28, 2026
Merged

Disable running multiple fuzz tests by default and remove the tests. #2081

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2 changes: 1 addition & 1 deletion centipede/centipede_flags.inc
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Original file line number Diff line number Diff line change
Expand Up @@ -448,7 +448,7 @@ CENTIPEDE_FLAG(bool, load_shards_only, false,
"If set, load/merge shards without fuzzing new inputs. For "
"FuzzTest framework only, do not use from end-users.")
CENTIPEDE_FLAG(
bool, fuzztest_multi_test_mode_soon_to_be_removed, true,
bool, fuzztest_multi_test_mode_soon_to_be_removed, false,
"If set, operate on multiple fuzz tests queried from the binary if it is "
"using FuzzTest. This mode is going to be removed soon, and Centipede will "
"operate on only one fuzz test per invocation after that.")
Expand Down
29 changes: 4 additions & 25 deletions e2e_tests/corpus_database_test.cc
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Expand Up @@ -65,7 +65,6 @@ absl::StatusOr<std::string> FindFile(absl::string_view root_path,
enum class ExecutionModelParam {
kTestBinary,
kTestBinaryInvokingCentipedeBinary,
kCentipedeBinary
};

struct UpdateCorpusDatabaseRun {
Expand Down Expand Up @@ -132,27 +131,6 @@ class UpdateCorpusDatabaseTest
ShellEscape(CentipedePath());
return RunBinary(binary_path, centipede_options);
}
case ExecutionModelParam::kCentipedeBinary: {
RunOptions centipede_options;
centipede_options.env = options.env;
centipede_options.timeout = options.timeout;
std::vector<std::string> binary_args;
binary_args.push_back(std::string(binary_path));
for (const auto &[key, value] : options.fuzztest_flags) {
binary_args.push_back(CreateFuzzTestFlag(key, value));
}
for (const auto &[key, value] : options.flags) {
binary_args.push_back(absl::StrCat("--", key, "=", value));
}
centipede_options.flags = {
{"binary", absl::StrJoin(binary_args, " ")},
// Needed when built without PC tables.
{"populate_binary_info", "false"},
// Disable symbolization to more quickly get to fuzzing.
{"symbolizer_path", ""},
};
return RunBinary(CentipedePath(), centipede_options);
}
}
FUZZTEST_LOG(FATAL) << "Unsupported execution model!";
}
Expand Down Expand Up @@ -418,9 +396,10 @@ TEST_P(UpdateCorpusDatabaseTest, PrintsErrorsWhenBazelTimeoutIsNotEnough) {

INSTANTIATE_TEST_SUITE_P(
UpdateCorpusDatabaseTestWithExecutionModel, UpdateCorpusDatabaseTest,
testing::ValuesIn({ExecutionModelParam::kTestBinary,
ExecutionModelParam::kTestBinaryInvokingCentipedeBinary,
ExecutionModelParam::kCentipedeBinary}));
testing::ValuesIn({
ExecutionModelParam::kTestBinary,
ExecutionModelParam::kTestBinaryInvokingCentipedeBinary,
}));

} // namespace
} // namespace fuzztest::internal
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