53 lines
1.7 KiB
C++
53 lines
1.7 KiB
C++
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// Copyright 2019 The Chromium Authors
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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#include "base/mac/mach_port_rendezvous.h"
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#include "base/logging.h"
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#include "base/mac/mach_logging.h"
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#include "base/synchronization/lock.h"
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#include "testing/libfuzzer/fuzzers/mach/mach_message_converter.h"
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#include "testing/libfuzzer/proto/lpm_interface.h"
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namespace base {
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struct MachPortRendezvousFuzzer {
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MachPortRendezvousFuzzer() {
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logging::SetMinLogLevel(logging::LOG_FATAL);
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mach_port_t port =
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base::MachPortRendezvousServer::GetInstance()->server_port_.get();
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kern_return_t kr = mach_port_insert_right(mach_task_self(), port, port,
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MACH_MSG_TYPE_MAKE_SEND);
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MACH_CHECK(kr == KERN_SUCCESS, kr) << "mach_port_insert_right";
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server_send_right.reset(port);
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}
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void ClearClientData() EXCLUSIVE_LOCKS_REQUIRED(
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base::MachPortRendezvousServer::GetInstance()->GetLock()) {
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base::MachPortRendezvousServer::GetInstance()->client_data_.clear();
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}
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base::mac::ScopedMachSendRight server_send_right;
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};
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} // namespace base
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DEFINE_BINARY_PROTO_FUZZER(const mach_fuzzer::MachMessage& message) {
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static base::MachPortRendezvousFuzzer environment;
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{
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base::AutoLock lock(
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base::MachPortRendezvousServer::GetInstance()->GetLock());
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environment.ClearClientData();
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base::MachPortRendezvousServer::GetInstance()->RegisterPortsForPid(
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getpid(), {std::make_pair(0xbadbeef, base::MachRendezvousPort{
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mach_task_self(),
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MACH_MSG_TYPE_COPY_SEND})});
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}
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SendMessage(environment.server_send_right.get(), message);
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}
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