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dcsctp: Add SCTP packet fuzzer

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This fuzzer explores the SCTP parsing, as well as the individual
chunks, as a successfully parsed packet will have its chunks iterated
over and formatted using ToString.

Bug: webrtc:12614
Change-Id: I88f703c5f79e4775a069b1d5439d413870f6a629
Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/214490
Reviewed-by: Tommi <tommi@webrtc.org>
Commit-Queue: Victor Boivie <boivie@webrtc.org>
Cr-Commit-Position: refs/heads/master@{#33670}
This commit is contained in:
Victor Boivie 2021-04-08 16:50:06 +02:00 committed by Commit Bot
parent 3c31ee0793
commit 9410217413
3 changed files with 39 additions and 0 deletions
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9
test/fuzzers/BUILD.gn
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@ -613,6 +613,15 @@ webrtc_fuzzer_test("sctp_utils_fuzzer") {
]
}
webrtc_fuzzer_test("dcsctp_packet_fuzzer") {
sources = [ "dcsctp_packet_fuzzer.cc" ]
deps = [
"../../net/dcsctp/packet:chunk",
"../../net/dcsctp/packet:sctp_packet",
"../../rtc_base:rtc_base_approved",
]
}
webrtc_fuzzer_test("rtp_header_parser_fuzzer") {
sources = [ "rtp_header_parser_fuzzer.cc" ]
deps = [ "../:rtp_test_utils" ]

1
test/fuzzers/DEPS
View File

@ -1,4 +1,5 @@
include_rules = [
"+audio",
"+pc",
"+net/dcsctp",
]

29
test/fuzzers/dcsctp_packet_fuzzer.cc Normal file
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@ -0,0 +1,29 @@
/*
* Copyright (c) 2021 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 "net/dcsctp/packet/chunk/chunk.h"
#include "net/dcsctp/packet/sctp_packet.h"
namespace webrtc {
using dcsctp::SctpPacket;
void FuzzOneInput(const uint8_t* data, size_t size) {
absl::optional<SctpPacket> c =
SctpPacket::Parse(rtc::ArrayView<const uint8_t>(data, size),
/*disable_checksum_verification=*/true);
if (!c.has_value()) {
return;
}
for (const SctpPacket::ChunkDescriptor& desc : c->descriptors()) {
dcsctp::DebugConvertChunkToString(desc.data);
}
}
} // namespace webrtc