Fuzzer for FEC header readers.

BUG=webrtc:5654

Review-Url: https://codereview.webrtc.org/2265493002
Cr-Commit-Position: refs/heads/master@{#14470}

webrtc/test/fuzzers/BUILD.gn

@@ -69,6 +69,24 @@ webrtc_fuzzer_test("vp8_qp_parser_fuzzer") {
   ]
 }
 
+webrtc_fuzzer_test("flexfec_header_reader_fuzzer") {
+  sources = [
+    "flexfec_header_reader_fuzzer.cc",
+  ]
+  deps = [
+    "../../modules/rtp_rtcp/",
+  ]
+}
+
+webrtc_fuzzer_test("ulpfec_header_reader_fuzzer") {
+  sources = [
+    "ulpfec_header_reader_fuzzer.cc",
+  ]
+  deps = [
+    "../../modules/rtp_rtcp/",
+  ]
+}
+
 webrtc_fuzzer_test("producer_fec_fuzzer") {
   sources = [
     "producer_fec_fuzzer.cc",

webrtc/test/fuzzers/flexfec_header_reader_fuzzer.cc

@@ -0,0 +1,34 @@
+/*
+ *  Copyright (c) 2015 The WebRTC project authors. All Rights Reserved.
+ *
+ *  Use of this source code is governed by a BSD-style license
+ *  that can be found in the LICENSE file in the root of the source
+ *  tree. An additional intellectual property rights grant can be found
+ *  in the file PATENTS.  All contributing project authors may
+ *  be found in the AUTHORS file in the root of the source tree.
+ */
+
+#include <algorithm>
+
+#include "webrtc/base/scoped_ref_ptr.h"
+#include "webrtc/modules/rtp_rtcp/include/rtp_rtcp_defines.h"
+#include "webrtc/modules/rtp_rtcp/source/flexfec_header_reader_writer.h"
+#include "webrtc/modules/rtp_rtcp/source/forward_error_correction.h"
+
+namespace webrtc {
+
+using Packet = ForwardErrorCorrection::Packet;
+
+void FuzzOneInput(const uint8_t* data, size_t size) {
+  ForwardErrorCorrection::ReceivedFecPacket packet;
+  packet.pkt = rtc::scoped_refptr<Packet>(new Packet());
+  const size_t packet_size =
+      std::min(size, static_cast<size_t>(IP_PACKET_SIZE));
+  memcpy(packet.pkt->data, data, packet_size);
+  packet.pkt->length = packet_size;
+
+  FlexfecHeaderReader flexfec_reader;
+  flexfec_reader.ReadFecHeader(&packet);
+}
+
+}  // namespace webrtc

webrtc/test/fuzzers/ulpfec_header_reader_fuzzer.cc

@@ -0,0 +1,34 @@
+/*
+ *  Copyright (c) 2015 The WebRTC project authors. All Rights Reserved.
+ *
+ *  Use of this source code is governed by a BSD-style license
+ *  that can be found in the LICENSE file in the root of the source
+ *  tree. An additional intellectual property rights grant can be found
+ *  in the file PATENTS.  All contributing project authors may
+ *  be found in the AUTHORS file in the root of the source tree.
+ */
+
+#include <algorithm>
+
+#include "webrtc/base/scoped_ref_ptr.h"
+#include "webrtc/modules/rtp_rtcp/include/rtp_rtcp_defines.h"
+#include "webrtc/modules/rtp_rtcp/source/forward_error_correction.h"
+#include "webrtc/modules/rtp_rtcp/source/ulpfec_header_reader_writer.h"
+
+namespace webrtc {
+
+using Packet = ForwardErrorCorrection::Packet;
+
+void FuzzOneInput(const uint8_t* data, size_t size) {
+  ForwardErrorCorrection::ReceivedFecPacket packet;
+  packet.pkt = rtc::scoped_refptr<Packet>(new Packet());
+  const size_t packet_size =
+      std::min(size, static_cast<size_t>(IP_PACKET_SIZE));
+  memcpy(packet.pkt->data, data, packet_size);
+  packet.pkt->length = packet_size;
+
+  UlpfecHeaderReader ulpfec_reader;
+  ulpfec_reader.ReadFecHeader(&packet);
+}
+
+}  // namespace webrtc