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fuzz: Improve fuzzing stability for txorphan harness

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This commit is contained in:
dergoegge
2023-12-08 13:14:46 +00:00
parent dce1dfbc47
commit 15f5a0d0c8
5 changed files with 9 additions and 8 deletions
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3
src/test/fuzz/txorphan.cpp
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@@ -33,6 +33,7 @@ void initialize_orphanage()
FUZZ_TARGET(txorphan, .init = initialize_orphanage)
{
FuzzedDataProvider fuzzed_data_provider(buffer.data(), buffer.size());
FastRandomContext limit_orphans_rng{/*fDeterministic=*/true};
SetMockTime(ConsumeTime(fuzzed_data_provider));
TxOrphanage orphanage;
@@ -132,7 +133,7 @@ FUZZ_TARGET(txorphan, .init = initialize_orphanage)
// test mocktime and expiry
SetMockTime(ConsumeTime(fuzzed_data_provider));
auto limit = fuzzed_data_provider.ConsumeIntegral<unsigned int>();
orphanage.LimitOrphans(limit);
orphanage.LimitOrphans(limit, limit_orphans_rng);
Assert(orphanage.Size() <= limit);
});
}

7
src/test/orphanage_tests.cpp
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@@ -129,11 +129,12 @@ BOOST_AUTO_TEST_CASE(DoS_mapOrphans)
}
// Test LimitOrphanTxSize() function:
orphanage.LimitOrphans(40);
FastRandomContext rng{/*fDeterministic=*/true};
orphanage.LimitOrphans(40, rng);
BOOST_CHECK(orphanage.CountOrphans() <= 40);
orphanage.LimitOrphans(10);
orphanage.LimitOrphans(10, rng);
BOOST_CHECK(orphanage.CountOrphans() <= 10);
orphanage.LimitOrphans(0);
orphanage.LimitOrphans(0, rng);
BOOST_CHECK(orphanage.CountOrphans() == 0);
}