63 lines
2.2 KiB
C++
63 lines
2.2 KiB
C++
/*
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* The MIT License (MIT)
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*
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* Copyright (c) 2022 Nathaniel Brough
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to deal
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* in the Software without restriction, including without limitation the rights
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* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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* copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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* THE SOFTWARE.
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*
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*/
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#include <cassert>
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#include <fuzzer/FuzzedDataProvider.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include "class/cdc/cdc_device.h"
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#include "fuzz/fuzz.h"
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#include "tusb.h"
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#include <cstdint>
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#include <string>
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#include <vector>
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//--------------------------------------------------------------------+
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// MACRO CONSTANT TYPEDEF PROTYPES
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//--------------------------------------------------------------------+
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#define FUZZ_ITERATIONS 500
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extern "C" int LLVMFuzzerTestOneInput(const uint8_t *Data, size_t Size) {
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FuzzedDataProvider provider(Data, Size);
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std::vector<uint8_t> callback_data = provider.ConsumeBytes<uint8_t>(
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provider.ConsumeIntegralInRange<size_t>(0, Size));
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fuzz_init(callback_data.data(), callback_data.size());
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// init device stack on configured roothub port
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tud_init(BOARD_TUD_RHPORT);
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for (int i = 0; i < FUZZ_ITERATIONS; i++) {
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if (provider.remaining_bytes() == 0) {
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return 0;
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}
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tud_int_handler(provider.ConsumeIntegral<uint8_t>());
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tud_task(); // tinyusb device task
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}
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return 0;
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}
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