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151be2dffc
The length of the fuzzer input can sometimes be really long (more than 1000000 bytes), and this take a very long time to execute. Typically, the fuzzer times out instead. This change limits the used length of the fuzzer to 200000 bytes. NOTRY=TRUE Bug: chromium:802149 Change-Id: Ia9d2f080602bba8ff70c5f0575bb9ecfa99c537c Reviewed-on: https://webrtc-review.googlesource.com/57581 Commit-Queue: Henrik Lundin <henrik.lundin@webrtc.org> Reviewed-by: Alex Loiko <aleloi@webrtc.org> Cr-Commit-Position: refs/heads/master@{#22183}
56 lines
1.8 KiB
C++
56 lines
1.8 KiB
C++
/*
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* Copyright (c) 2017 The WebRTC project authors. All Rights Reserved.
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*
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* Use of this source code is governed by a BSD-style license
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* that can be found in the LICENSE file in the root of the source
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* tree. An additional intellectual property rights grant can be found
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* in the file PATENTS. All contributing project authors may
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* be found in the AUTHORS file in the root of the source tree.
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*/
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#include "api/array_view.h"
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#include "modules/audio_coding/codecs/cng/webrtc_cng.h"
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#include "rtc_base/buffer.h"
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#include "test/fuzzers/fuzz_data_helper.h"
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namespace webrtc {
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namespace test {
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namespace {
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void FuzzOneInputTest(rtc::ArrayView<const uint8_t> data) {
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FuzzDataHelper fuzz_data(data);
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ComfortNoiseDecoder cng_decoder;
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while (1) {
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if (!fuzz_data.CanReadBytes(1))
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break;
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const uint8_t sid_frame_len = fuzz_data.Read<uint8_t>();
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auto sid_frame = fuzz_data.ReadByteArray(sid_frame_len);
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if (sid_frame.empty())
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break;
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cng_decoder.UpdateSid(sid_frame);
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if (!fuzz_data.CanReadBytes(3))
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break;
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constexpr bool kTrueOrFalse[] = {true, false};
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const bool new_period = fuzz_data.SelectOneOf(kTrueOrFalse);
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constexpr size_t kOutputSizes[] = {80, 160, 320, 480};
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const size_t output_size = fuzz_data.SelectOneOf(kOutputSizes);
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const size_t num_generate_calls = fuzz_data.Read<uint8_t>();
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rtc::BufferT<int16_t> output(output_size);
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for (size_t i = 0; i < num_generate_calls; ++i) {
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cng_decoder.Generate(output, new_period);
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}
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}
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}
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} // namespace
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} // namespace test
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void FuzzOneInput(const uint8_t* data, size_t size) {
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// Limit the input size to 100000 bytes to avoid fuzzer timeout.
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if (size > 200000)
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return;
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test::FuzzOneInputTest(rtc::ArrayView<const uint8_t>(data, size));
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}
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} // namespace webrtc
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