}

int get_iters(int default_iters) {
    char* env = getenv("SECP256K1_BENCH_ITERS");
    if (env) {
        return strtol(env, NULL, 0);
    } else {
        return default_iters;
    }

            

Reported by FlawFinder.

                  int64_t x_abs, y;
    int c, i, rounding;
    size_t ptr;
    char buffer[30];

    if (x == INT64_MIN) {
        /* Prevent UB. */
        printf("ERR");
        return;

            

Reported by FlawFinder.

                  FuzzedDataProvider fuzzed_data_provider{buffer.data(), buffer.size()};
    FuzzedFileProvider fuzzed_file_provider = ConsumeFile(fuzzed_data_provider);
    std::optional<CBufferedFile> opt_buffered_file;
    FILE* fuzzed_file = fuzzed_file_provider.open();
    try {
        opt_buffered_file.emplace(fuzzed_file, fuzzed_data_provider.ConsumeIntegralInRange<uint64_t>(0, 4096), fuzzed_data_provider.ConsumeIntegralInRange<uint64_t>(0, 4096), fuzzed_data_provider.ConsumeIntegral<int>(), fuzzed_data_provider.ConsumeIntegral<int>());
    } catch (const std::ios_base::failure&) {
        if (fuzzed_file != nullptr) {
            fclose(fuzzed_file);

            

Reported by FlawFinder.

                              [&] {
                    std::array<uint8_t, 4096> arr{};
                    try {
                        opt_buffered_file->read((char*)arr.data(), fuzzed_data_provider.ConsumeIntegralInRange<size_t>(0, 4096));
                    } catch (const std::ios_base::failure&) {
                    }
                },
                [&] {
                    opt_buffered_file->SetLimit(fuzzed_data_provider.ConsumeIntegralInRange<uint64_t>(0, 4096));

            

Reported by FlawFinder.

              )


class InvalidateTest(BitcoinTestFramework):
    def set_test_params(self):
        self.setup_clean_chain = True
        self.num_nodes = 3

    def setup_network(self):

            

Reported by Pylint.

                  def setup_network(self):
        self.setup_nodes()

    def run_test(self):
        self.log.info("Make sure we repopulate setBlockIndexCandidates after InvalidateBlock:")
        self.log.info("Mine 4 blocks on Node 0")
        self.nodes[0].generatetoaddress(4, self.nodes[0].get_deterministic_priv_key().address)
        assert_equal(self.nodes[0].getblockcount(), 4)
        besthash_n0 = self.nodes[0].getbestblockhash()

            

Reported by Pylint.

              {
    FuzzedDataProvider fuzzed_data_provider{buffer.data(), buffer.size()};
    FuzzedAutoFileProvider fuzzed_auto_file_provider = ConsumeAutoFile(fuzzed_data_provider);
    CAutoFile auto_file = fuzzed_auto_file_provider.open();
    while (fuzzed_data_provider.ConsumeBool()) {
        CallOneOf(
            fuzzed_data_provider,
            [&] {
                std::array<uint8_t, 4096> arr{};

            

Reported by FlawFinder.

                          [&] {
                std::array<uint8_t, 4096> arr{};
                try {
                    auto_file.read((char*)arr.data(), fuzzed_data_provider.ConsumeIntegralInRange<size_t>(0, 4096));
                } catch (const std::ios_base::failure&) {
                }
            },
            [&] {
                const std::array<uint8_t, 4096> arr{};

            

Reported by FlawFinder.

                  int height;
    WITH_LOCK(::cs_main, height = node.chainman->ActiveHeight());
    fs::path snapshot_path = root / tfm::format("test_snapshot.%d.dat", height);
    FILE* outfile{fsbridge::fopen(snapshot_path, "wb")};
    CAutoFile auto_outfile{outfile, SER_DISK, CLIENT_VERSION};

    UniValue result = CreateUTXOSnapshot(node, node.chainman->ActiveChainstate(), auto_outfile);
    BOOST_TEST_MESSAGE(
        "Wrote UTXO snapshot to " << snapshot_path.make_preferred().string() << ": " << result.write());

            

Reported by FlawFinder.

              
    // Read the written snapshot in and then activate it.
    //
    FILE* infile{fsbridge::fopen(snapshot_path, "rb")};
    CAutoFile auto_infile{infile, SER_DISK, CLIENT_VERSION};
    SnapshotMetadata metadata;
    auto_infile >> metadata;

    malleation(auto_infile, metadata);

            

Reported by FlawFinder.

              from test_framework.test_framework import BitcoinTestFramework


class P2PStoreBlock(P2PInterface):
    def __init__(self):
        super().__init__()
        self.blocks = defaultdict(int)

    def on_block(self, message):

            

Reported by Pylint.

                      self.blocks[message.block.sha256] += 1


class GetdataTest(BitcoinTestFramework):
    def set_test_params(self):
        self.num_nodes = 1

    def run_test(self):
        p2p_block_store = self.nodes[0].add_p2p_connection(P2PStoreBlock())

            

Reported by Pylint.

              
class CRC {};

TEST(CRC, StandardResults) {
  // From rfc3720 section B.4.
  char buf[32];

  memset(buf, 0, sizeof(buf));
  ASSERT_EQ(0x8a9136aa, Value(buf, sizeof(buf)));

            

Reported by Cppcheck.

              
TEST(CRC, StandardResults) {
  // From rfc3720 section B.4.
  char buf[32];

  memset(buf, 0, sizeof(buf));
  ASSERT_EQ(0x8a9136aa, Value(buf, sizeof(buf)));

  memset(buf, 0xff, sizeof(buf));

            

Reported by FlawFinder.

               *  compare keys, use secp256k1_xonly_pubkey_cmp.
 */
typedef struct {
    unsigned char data[64];
} secp256k1_xonly_pubkey;

/** Opaque data structure that holds a keypair consisting of a secret and a
 *  public key.
 *

            

Reported by FlawFinder.

               *  however guaranteed to be 96 bytes in size, and can be safely copied/moved.
 */
typedef struct {
    unsigned char data[96];
} secp256k1_keypair;

/** Parse a 32-byte sequence into a xonly_pubkey object.
 *
 *  Returns: 1 if the public key was fully valid.

            

Reported by FlawFinder.

               *  compare keys, use secp256k1_ec_pubkey_cmp.
 */
typedef struct {
    unsigned char data[64];
} secp256k1_pubkey;

/** Opaque data structured that holds a parsed ECDSA signature.
 *
 *  The exact representation of data inside is implementation defined and not

            

Reported by FlawFinder.

               *  secp256k1_ecdsa_signature_parse_* functions.
 */
typedef struct {
    unsigned char data[64];
} secp256k1_ecdsa_signature;

/** A pointer to a function to deterministically generate a nonce.
 *
 * Returns: 1 if a nonce was successfully generated. 0 will cause signing to fail.

            

Reported by FlawFinder.

                      CHashWriter h(SER_DISK, 0);
        h << consensus.signet_challenge;
        uint256 hash = h.GetHash();
        memcpy(pchMessageStart, hash.begin(), 4);

        nDefaultPort = 38333;
        nPruneAfterHeight = 1000;

        genesis = CreateGenesisBlock(1598918400, 52613770, 0x1e0377ae, 1, 50 * COIN);

            

Reported by FlawFinder.

                  txNew.nVersion = 1;
    txNew.vin.resize(1);
    txNew.vout.resize(1);
    txNew.vin[0].scriptSig = CScript() << 486604799 << CScriptNum(4) << std::vector<unsigned char>((const unsigned char*)pszTimestamp, (const unsigned char*)pszTimestamp + strlen(pszTimestamp));
    txNew.vout[0].nValue = genesisReward;
    txNew.vout[0].scriptPubKey = genesisOutputScript;

    CBlock genesis;
    genesis.nTime    = nTime;

            

Reported by FlawFinder.