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fuzz: fuzz connman with a non-empty addrman

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This commit is contained in:
brunoerg 2024-02-28 12:49:44 -03:00
parent 0a12cff2a8
commit fe624631ae
1 changed files with 19 additions and 1 deletions
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20
src/test/fuzz/connman.cpp
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@ -20,6 +20,12 @@
namespace {
const TestingSetup* g_setup;
int32_t GetCheckRatio()
{
return std::clamp<int32_t>(g_setup->m_node.args->GetIntArg("-checkaddrman", 0), 0, 1000000);
}
} // namespace
void initialize_connman()
@ -32,9 +38,21 @@ FUZZ_TARGET(connman, .init = initialize_connman)
{
FuzzedDataProvider fuzzed_data_provider{buffer.data(), buffer.size()};
SetMockTime(ConsumeTime(fuzzed_data_provider));
auto netgroupman{*g_setup->m_node.netgroupman};
auto addr_man_ptr{std::make_unique<AddrManDeterministic>(netgroupman, fuzzed_data_provider, GetCheckRatio())};
if (fuzzed_data_provider.ConsumeBool()) {
const std::vector<uint8_t> serialized_data{ConsumeRandomLengthByteVector(fuzzed_data_provider)};
DataStream ds{serialized_data};
try {
ds >> *addr_man_ptr;
} catch (const std::ios_base::failure&) {
addr_man_ptr = std::make_unique<AddrManDeterministic>(netgroupman, fuzzed_data_provider, GetCheckRatio());
}
}
AddrManDeterministic& addr_man{*addr_man_ptr};
ConnmanTestMsg connman{fuzzed_data_provider.ConsumeIntegral<uint64_t>(),
fuzzed_data_provider.ConsumeIntegral<uint64_t>(),
*g_setup->m_node.addrman,
addr_man,
*g_setup->m_node.netgroupman,
Params(),
fuzzed_data_provider.ConsumeBool()};