Merge #18417: tests: Add fuzzing harnesses for functions in addrdb.h, net_permissions.h and timedata.h
pull/764/head4308aa67e3tests: Add fuzzing harness for functions in net_permissions.h (practicalswift)43ff0d91f8tests: Add fuzzing harness for functions in timedata.h (practicalswift)a8695db785tests: Add fuzzing harness for functions in addrdb.h (practicalswift) Pull request description: Add fuzzing harnesses for functions in `addrdb.h`, `net_permissions.h` and `timedata.h`. Top commit has no ACKs. Tree-SHA512: ea41431e7f1944ecd0c102e6ea04e70d6763dc9b6e3a0949a4f7299897a92fa3e8e7139f9f65b9508ce8d45613ea24ec0fd6d4a8be3cfd7c23136512b17770eb
MarcoFalke
5 years ago
commit
5236b2e267
@ -0,0 +1,43 @@
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// Copyright (c) 2020 The Bitcoin Core developers
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// Distributed under the MIT software license, see the accompanying
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// file COPYING or http://www.opensource.org/licenses/mit-license.php.
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#include <addrdb.h>
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#include <optional.h>
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#include <test/fuzz/FuzzedDataProvider.h>
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#include <test/fuzz/fuzz.h>
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#include <test/fuzz/util.h>
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#include <cassert>
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#include <cstdint>
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#include <string>
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#include <vector>
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void test_one_input(const std::vector<uint8_t>& buffer)
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{
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FuzzedDataProvider fuzzed_data_provider(buffer.data(), buffer.size());
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const CBanEntry ban_entry = [&] {
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switch (fuzzed_data_provider.ConsumeIntegralInRange<int>(0, 3)) {
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case 0:
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return CBanEntry{fuzzed_data_provider.ConsumeIntegral<int64_t>()};
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break;
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case 1:
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return CBanEntry{fuzzed_data_provider.ConsumeIntegral<int64_t>(), fuzzed_data_provider.PickValueInArray<BanReason>({
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BanReason::BanReasonUnknown,
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BanReason::BanReasonNodeMisbehaving,
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BanReason::BanReasonManuallyAdded,
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})};
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break;
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case 2: {
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const Optional<CBanEntry> ban_entry = ConsumeDeserializable<CBanEntry>(fuzzed_data_provider);
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if (ban_entry) {
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return *ban_entry;
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}
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break;
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}
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}
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return CBanEntry{};
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}();
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assert(!ban_entry.banReasonToString().empty());
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}
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// Copyright (c) 2020 The Bitcoin Core developers
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// Distributed under the MIT software license, see the accompanying
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// file COPYING or http://www.opensource.org/licenses/mit-license.php.
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#include <net_permissions.h>
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#include <optional.h>
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#include <test/fuzz/FuzzedDataProvider.h>
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#include <test/fuzz/fuzz.h>
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#include <test/fuzz/util.h>
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#include <cassert>
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#include <cstdint>
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#include <string>
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#include <vector>
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void test_one_input(const std::vector<uint8_t>& buffer)
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{
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FuzzedDataProvider fuzzed_data_provider(buffer.data(), buffer.size());
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const std::string s = fuzzed_data_provider.ConsumeRandomLengthString(32);
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const NetPermissionFlags net_permission_flags = fuzzed_data_provider.ConsumeBool() ? fuzzed_data_provider.PickValueInArray<NetPermissionFlags>({
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NetPermissionFlags::PF_NONE,
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NetPermissionFlags::PF_BLOOMFILTER,
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NetPermissionFlags::PF_RELAY,
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NetPermissionFlags::PF_FORCERELAY,
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NetPermissionFlags::PF_NOBAN,
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NetPermissionFlags::PF_MEMPOOL,
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NetPermissionFlags::PF_ISIMPLICIT,
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NetPermissionFlags::PF_ALL,
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}) :
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static_cast<NetPermissionFlags>(fuzzed_data_provider.ConsumeIntegral<uint32_t>());
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NetWhitebindPermissions net_whitebind_permissions;
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std::string error_net_whitebind_permissions;
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if (NetWhitebindPermissions::TryParse(s, net_whitebind_permissions, error_net_whitebind_permissions)) {
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(void)NetPermissions::ToStrings(net_whitebind_permissions.m_flags);
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(void)NetPermissions::AddFlag(net_whitebind_permissions.m_flags, net_permission_flags);
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assert(NetPermissions::HasFlag(net_whitebind_permissions.m_flags, net_permission_flags));
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(void)NetPermissions::ClearFlag(net_whitebind_permissions.m_flags, net_permission_flags);
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(void)NetPermissions::ToStrings(net_whitebind_permissions.m_flags);
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}
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NetWhitelistPermissions net_whitelist_permissions;
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std::string error_net_whitelist_permissions;
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if (NetWhitelistPermissions::TryParse(s, net_whitelist_permissions, error_net_whitelist_permissions)) {
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(void)NetPermissions::ToStrings(net_whitelist_permissions.m_flags);
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(void)NetPermissions::AddFlag(net_whitelist_permissions.m_flags, net_permission_flags);
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assert(NetPermissions::HasFlag(net_whitelist_permissions.m_flags, net_permission_flags));
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(void)NetPermissions::ClearFlag(net_whitelist_permissions.m_flags, net_permission_flags);
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(void)NetPermissions::ToStrings(net_whitelist_permissions.m_flags);
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}
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}
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// Copyright (c) 2020 The Bitcoin Core developers
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// Distributed under the MIT software license, see the accompanying
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// file COPYING or http://www.opensource.org/licenses/mit-license.php.
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#include <test/fuzz/FuzzedDataProvider.h>
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#include <test/fuzz/fuzz.h>
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#include <test/fuzz/util.h>
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#include <timedata.h>
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#include <cstdint>
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#include <string>
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#include <vector>
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void test_one_input(const std::vector<uint8_t>& buffer)
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{
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FuzzedDataProvider fuzzed_data_provider(buffer.data(), buffer.size());
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const unsigned int max_size = fuzzed_data_provider.ConsumeIntegralInRange<unsigned int>(0, 1000);
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// Divide by 2 to avoid signed integer overflow in .median()
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const int64_t initial_value = fuzzed_data_provider.ConsumeIntegral<int64_t>() / 2;
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CMedianFilter<int64_t> median_filter{max_size, initial_value};
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while (fuzzed_data_provider.remaining_bytes() > 0) {
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(void)median_filter.median();
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assert(median_filter.size() > 0);
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assert(static_cast<size_t>(median_filter.size()) == median_filter.sorted().size());
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assert(static_cast<unsigned int>(median_filter.size()) <= max_size || max_size == 0);
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// Divide by 2 to avoid signed integer overflow in .median()
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median_filter.input(fuzzed_data_provider.ConsumeIntegral<int64_t>() / 2);
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}
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}
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