Coverage Report

Created: 2026-09-01 13:33

next uncovered line (L), next uncovered region (R), next uncovered branch (B)
/root/bitcoin/src/test/fuzz/autofile.cpp
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Count
Source
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// Copyright (c) 2020-present 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 <span.h>
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#include <streams.h>
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#include <test/fuzz/fuzz.h>
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#include <test/fuzz/FuzzedDataProvider.h>
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#include <test/fuzz/util.h>
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#include <util/obfuscation.h>
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#include <array>
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#include <cstddef>
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#include <cstdio>
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#include <iostream>
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#include <vector>
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FUZZ_TARGET(autofile)
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233
{
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    FuzzedDataProvider fuzzed_data_provider{buffer.data(), buffer.size()};
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    FuzzedFileProvider fuzzed_file_provider{fuzzed_data_provider};
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    const auto key_bytes{ConsumeFixedLengthByteVector<std::byte>(fuzzed_data_provider, Obfuscation::KEY_SIZE)};
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    AutoFile auto_file{
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        fuzzed_file_provider.open(),
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        Obfuscation{std::span{key_bytes}.first<Obfuscation::KEY_SIZE>()},
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233
    };
27
4.49k
    LIMITED_WHILE (fuzzed_data_provider.ConsumeBool(), 100) {
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4.49k
        CallOneOf(
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4.49k
            fuzzed_data_provider,
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4.49k
            [&] {
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342
                std::array<std::byte, 4096> arr{};
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342
                try {
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342
                    auto_file.read({arr.data(), fuzzed_data_provider.ConsumeIntegralInRange<size_t>(0, 4096)});
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342
                } catch (const std::ios_base::failure&) {
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222
                }
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342
            },
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4.49k
            [&] {
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644
                const std::array<std::byte, 4096> arr{};
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                try {
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                    auto_file.write({arr.data(), fuzzed_data_provider.ConsumeIntegralInRange<size_t>(0, 4096)});
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644
                } catch (const std::ios_base::failure&) {
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342
                }
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644
            },
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4.49k
            [&] {
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627
                try {
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                    auto_file.ignore(fuzzed_data_provider.ConsumeIntegralInRange<size_t>(0, 4096));
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627
                } catch (const std::ios_base::failure&) {
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363
                }
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627
            },
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4.49k
            [&] {
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132
                (void)auto_file.fclose();
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            },
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4.49k
            [&] {
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1.43k
                ReadFromStream(fuzzed_data_provider, auto_file);
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1.43k
            },
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4.49k
            [&] {
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1.31k
                WriteToStream(fuzzed_data_provider, auto_file);
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1.31k
            });
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4.49k
    }
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233
    (void)auto_file.IsNull();
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    if (fuzzed_data_provider.ConsumeBool()) {
  Branch (61:9): [True: 11, False: 222]

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        FILE* f = auto_file.release();
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11
        if (f != nullptr) {
  Branch (63:13): [True: 8, False: 3]

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            fclose(f);
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8
        }
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222
    } else {
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        (void)auto_file.fclose();
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    }
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}