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fuzz: fix oss crash on http utility function #11687

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Merged
asraa merged 6 commits into from
Jun 24, 2020
Merged

fuzz: fix oss crash on http utility function #11687

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ce8c1c9
fix with set
Jun 22, 2020
2e1cba5
cast to unsigned
Jun 22, 2020
4f4bb0e
style fix
Jun 22, 2020
6f5f875
catch exception instead of returning early
Jun 22, 2020
2d0e3d5
check for specific exceptions and fix malformed proto input
Jun 23, 2020
b39e08d
use absl::string_view and starts/endsWith instead of std::string
Jun 24, 2020
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17 changes: 17 additions & 0 deletions ...mon/http/utility_corpus/clusterfuzz-testcase-minimized-utility_fuzz_test-5091558495092736
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11 changes: 11 additions & 0 deletions test/common/http/utility_fuzz_test.cc
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Original file line number Diff line number Diff line change
@@ -1,3 +1,5 @@
#include <set>

#include "common/http/utility.h"

#include "test/common/http/utility_fuzz.pb.validate.h"
Expand Down Expand Up @@ -79,6 +81,15 @@ DEFINE_PROTO_FUZZER(const test::common::http::UtilityTestCase& input) {
}
case test::common::http::UtilityTestCase::kInitializeAndValidate: {
const auto& options = input.initialize_and_validate();
// if there are duplicates, abort the test
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std::set<int> uniques;
for (auto& setting : options.custom_settings_parameters()) {
uniques.insert(setting.identifier().value());
}
// protobuf repeated's size is a signed integer
if (uniques.size() != static_cast<uint32_t>(options.custom_settings_parameters().size())) {
break;
}
Http2::Utility::initializeAndValidateOptions(options);
break;
}
Expand Down