xuzheheng1@huawei.com

Signed-off-by: xuzheheng <xuzheheng1@huawei.com>
Change-Id: I43137e02af772cbda169b47fa7b15a8fcfcf63db

test/fuzztest/BUILD.gn

@@ -29,6 +29,7 @@ group("fuzztest") {
     "acquiredataability_fuzzer:fuzztest",
     "addabilitystagedone_fuzzer:fuzztest",
     "amsmgrscheduler_fuzzer:fuzztest",
+    "applicationanrlistener_fuzzer:fuzztest",
     "applifecycledeal_fuzzer:fuzztest",
     "appmanager_fuzzer:fuzztest",
     "appmgrrest_fuzzer:fuzztest",
@@ -47,6 +48,7 @@ group("fuzztest") {
     "closeability_fuzzer:fuzztest",
     "completefirstframedrawing_fuzzer:fuzztest",
     "connectability_fuzzer:fuzztest",
+    "connectionstatemanager_fuzzer:fuzztest",
     "continueability_fuzzer:fuzztest",
     "continuemission_fuzzer:fuzztest",
     "delegatordoabilitybackground_fuzzer:fuzztest",

test/fuzztest/applicationanrlistener_fuzzer/BUILD.gn

@@ -0,0 +1,88 @@
+# Copyright (c) 2022 Huawei Device Co., Ltd.
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+#####################hydra-fuzz###################
+import("//build/config/features.gni")
+import("//build/ohos.gni")
+import("//build/test.gni")
+import("//foundation/ability/ability_runtime/ability_runtime.gni")
+import("//foundation/resourceschedule/background_task_mgr/bgtaskmgr.gni")
+module_output_path = "ability_runtime/abilitymgr"
+
+##############################fuzztest##########################################
+ohos_fuzztest("ApplicationAnrListenerFuzzTest") {
+  module_out_path = module_output_path
+
+  fuzz_config_file =
+      "${ability_runtime_test_path}/fuzztest/applicationanrlistener_fuzzer"
+  include_dirs = [
+    "${ability_runtime_innerkits_path}/ability_manager/include",
+    "${ability_runtime_innerkits_path}/dataobs_manager/include",
+    "${bgtaskmgr_interfaces_path}/innerkits/include",
+    "${multimodalinput_path}/interfaces/native/innerkits/event/include",
+  ]
+  cflags = [
+    "-g",
+    "-O0",
+    "-Wno-unused-variable",
+    "-fno-omit-frame-pointer",
+  ]
+  sources = [ "applicationanrlistener_fuzzer.cpp" ]
+
+  configs = [
+    "${ability_runtime_innerkits_path}/ability_manager:ability_manager_public_config",
+    "${ability_runtime_services_path}/abilitymgr:abilityms_config",
+  ]
+
+  deps = [
+    "${ability_runtime_innerkits_path}/ability_manager:ability_manager",
+    "${ability_runtime_innerkits_path}/uri_permission:uri_permission_mgr",
+    "${ability_runtime_native_path}/ability/native:abilitykit_native",
+    "${ability_runtime_services_path}/abilitymgr:abilityms",
+    "//third_party/jsoncpp:jsoncpp",
+  ]
+
+  external_deps = [
+    "ability_base:want",
+    "ability_base:zuri",
+    "background_task_mgr:bgtaskmgr_innerkits",
+    "bundle_framework:appexecfwk_base",
+    "c_utils:utils",
+    "common_event_service:cesfwk_core",
+    "common_event_service:cesfwk_innerkits",
+    "eventhandler:libeventhandler",
+    "ipc:ipc_core",
+    "relational_store:native_dataability",
+    "relational_store:native_rdb",
+    "samgr:samgr_proxy",
+  ]
+
+  if (ability_runtime_graphics) {
+    deps += []
+    external_deps += [
+      "i18n:intl_util",
+      "window_manager:libwm",
+    ]
+  }
+}
+
+###############################################################################
+group("fuzztest") {
+  testonly = true
+  deps = []
+  deps += [
+    # deps file
+    ":ApplicationAnrListenerFuzzTest",
+  ]
+}
+###############################################################################

test/fuzztest/applicationanrlistener_fuzzer/applicationanrlistener_fuzzer.cpp

@@ -0,0 +1,224 @@
+/*
+ * Copyright (c) 2022 Huawei Device Co., Ltd.
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include "applicationanrlistener_fuzzer.h"
+
+#include <cstddef>
+#include <cstdint>
+
+#define private public
+#define protected public
+#include "ability_manager_service.h"
+#include "application_anr_listener.h"
+#include "atomic_service_status_callback.h"
+#include "atomic_service_status_callback_proxy.h"
+#include "background_task_observer.h"
+#include "call_container.h"
+#include "call_record.h"
+#include "caller_info.h"
+#include "free_install_manager.h"
+#undef protected
+#undef private
+
+#include "ability_record.h"
+#include "continuous_task_callback_info.h"
+
+using namespace OHOS::AAFwk;
+using namespace OHOS::AppExecFwk;
+
+namespace OHOS {
+namespace {
+constexpr size_t FOO_MAX_LEN = 1024;
+constexpr size_t U32_AT_SIZE = 4;
+class MyAbilityConnection : public IAbilityConnection {
+public:
+    MyAbilityConnection() = default;
+    virtual ~MyAbilityConnection() = default;
+    void OnAbilityConnectDone(
+        const AppExecFwk::ElementName &element, const sptr<IRemoteObject> &remoteObject, int resultCode) override
+    {}
+    void OnAbilityDisconnectDone(const AppExecFwk::ElementName &element, int resultCode) override
+    {}
+    sptr<IRemoteObject> AsObject() override
+    {
+        return {};
+    }
+};
+}
+
+uint32_t GetU32Data(const char* ptr)
+{
+    // convert fuzz input data to an integer
+    return (ptr[0] << 24) | (ptr[1] << 16) | (ptr[2] << 8) | ptr[3];
+}
+
+std::shared_ptr<AbilityRecord> GetFuzzAbilityRecord()
+{
+    sptr<Token> token = nullptr;
+    AbilityRequest abilityRequest;
+    abilityRequest.appInfo.bundleName = "com.example.fuzzTest";
+    abilityRequest.abilityInfo.name = "MainAbility";
+    abilityRequest.abilityInfo.type = AbilityType::DATA;
+    std::shared_ptr<AbilityRecord> abilityRecord = AbilityRecord::CreateAbilityRecord(abilityRequest);
+    if (!abilityRecord) {
+        return nullptr;
+    }
+    return abilityRecord;
+}
+
+sptr<Token> GetFuzzAbilityToken()
+{
+    sptr<Token> token = nullptr;
+    std::shared_ptr<AbilityRecord> abilityRecord = GetFuzzAbilityRecord();
+    if (abilityRecord) {
+        token = abilityRecord->GetToken();
+    }
+    return token;
+}
+
+bool DoSomethingInterestingWithMyAPI(const char* data, size_t size)
+{
+    int intParam = static_cast<int>(GetU32Data(data));
+    int32_t int32Param = static_cast<int32_t>(GetU32Data(data));
+    int64_t int64Param = static_cast<int64_t>(GetU32Data(data));
+    std::string stringParam(data, size);
+    Parcel wantParcel;
+    Want *want = nullptr;
+    if (wantParcel.WriteBuffer(data, size)) {
+        want = Want::Unmarshalling(wantParcel);
+        if (!want) {
+            return false;
+        }
+    }
+    sptr<IRemoteObject> token = GetFuzzAbilityToken();
+    sptr<IAbilityConnection> connect = new MyAbilityConnection();
+    std::vector<std::string> info;
+    std::shared_ptr<AbilityRecord> targetService = GetFuzzAbilityRecord();
+
+    // fuzz for ApplicationAnrListener
+    auto applicationAnrListener = std::make_shared<ApplicationAnrListener>();
+    applicationAnrListener->OnAnr(int32Param);
+
+    // fuzz for FreeInstallManager
+    auto abilityms = std::make_shared<AbilityManagerService>();
+    std::weak_ptr<AbilityManagerService> amsWeakPtr{abilityms};
+    auto freeInstallManager = std::make_shared<FreeInstallManager>(amsWeakPtr);
+    freeInstallManager->IsTopAbility(token);
+    freeInstallManager->StartFreeInstall(*want, int32Param, intParam, token);
+    freeInstallManager->RemoteFreeInstall(*want, int32Param, intParam, token);
+    freeInstallManager->BuildFreeInstallInfo(*want, int32Param, intParam, token);
+    freeInstallManager->StartRemoteFreeInstall(*want, intParam, int32Param, token);
+    freeInstallManager->NotifyDmsCallback(*want, intParam);
+    freeInstallManager->NotifyFreeInstallResult(*want, intParam, int64Param);
+    freeInstallManager->FreeInstallAbilityFromRemote(*want, token, int32Param, intParam);
+    freeInstallManager->ConnectFreeInstall(*want, int32Param, token, stringParam);
+    freeInstallManager->GetTimeStamp();
+    freeInstallManager->OnInstallFinished(intParam, *want, int32Param, int64Param);
+    freeInstallManager->OnRemoteInstallFinished(intParam, *want, int32Param, int64Param);
+
+    // fuzz for AtomicServiceStatusCallback
+    std::weak_ptr<FreeInstallManager> fimWeakPtr{freeInstallManager};
+    auto atomicServiceStatusCallback = std::make_shared<AtomicServiceStatusCallback>(fimWeakPtr, int64Param);
+    atomicServiceStatusCallback->OnInstallFinished(intParam, *want, int32Param);
+    atomicServiceStatusCallback->OnRemoteInstallFinished(intParam, *want, int32Param);
+
+    // fuzz for AtomicServiceStatusCallbackProxy
+    sptr<IRemoteObject> impl = GetFuzzAbilityToken();
+    auto atomicServiceStatusCallbackProxy = std::make_shared<AtomicServiceStatusCallbackProxy>(impl);
+    atomicServiceStatusCallbackProxy->OnInstallFinished(intParam, *want, int32Param);
+    atomicServiceStatusCallbackProxy->OnRemoteInstallFinished(intParam, *want, int32Param);
+
+    // fuzz for BackgroundTaskObserver
+    auto backgroundTaskObserver = std::make_shared<BackgroundTaskObserver>();
+    auto continuousTaskCallbackInfo = std::make_shared<BackgroundTaskMgr::ContinuousTaskCallbackInfo>();
+    backgroundTaskObserver->OnContinuousTaskStart(continuousTaskCallbackInfo);
+    backgroundTaskObserver->OnContinuousTaskStop(continuousTaskCallbackInfo);
+    wptr<IRemoteObject> object{token};
+
+    // fuzz for CallRecord
+    auto callRecord = std::make_shared<CallRecord>(int32Param, targetService, connect, token);
+    callRecord->CreateCallRecord(int32Param, targetService, connect, token);
+    callRecord->SetCallStub(token);
+    callRecord->GetCallStub();
+    callRecord->SetConCallBack(connect);
+    callRecord->GetConCallBack();
+    callRecord->GetTargetServiceName();
+    callRecord->GetCallerToken();
+    callRecord->SchedulerConnectDone();
+    callRecord->SchedulerDisconnectDone();
+    callRecord->OnCallStubDied(object);
+    callRecord->Dump(info);
+    callRecord->GetCallerUid();
+    CallState state = CallState::INIT;
+    callRecord->IsCallState(state);
+    callRecord->SetCallState(state);
+    callRecord->GetCallRecordId();
+
+    // fuzz for CallContainer
+    auto callContainer = std::make_shared<CallContainer>();
+    callContainer->AddCallRecord(connect, callRecord);
+    callContainer->GetCallRecord(connect);
+    callContainer->RemoveCallRecord(connect);
+    callContainer->OnConnectionDied(object);
+    callContainer->CallRequestDone(token);
+    callContainer->Dump(info);
+    callContainer->IsNeedToCallRequest();
+    callContainer->AddConnectDeathRecipient(connect);
+    callContainer->RemoveConnectDeathRecipient(connect);
+
+    // fuzz for CallerInfo
+    auto callerInfo = std::make_shared<CallerInfo>();
+    Parcel parcel;
+    callerInfo->Marshalling(parcel);
+    callerInfo->Unmarshalling(parcel);
+    callerInfo->ReadFromParcel(parcel);
+
+    return true;
+}
+}
+
+/* Fuzzer entry point */
+extern "C" int LLVMFuzzerTestOneInput(const uint8_t* data, size_t size)
+{
+    /* Run your code on data */
+    if (data == nullptr) {
+        return 0;
+    }
+
+    /* Validate the length of size */
+    if (size < OHOS::U32_AT_SIZE || size > OHOS::FOO_MAX_LEN) {
+        return 0;
+    }
+
+    char* ch = (char *)malloc(size + 1);
+    if (ch == nullptr) {
+        std::cout << "malloc failed." << std::endl;
+        return 0;
+    }
+
+    (void)memset_s(ch, size + 1, 0x00, size + 1);
+    if (memcpy_s(ch, size, data, size) != EOK) {
+        std::cout << "copy failed." << std::endl;
+        free(ch);
+        ch = nullptr;
+        return 0;
+    }
+
+    OHOS::DoSomethingInterestingWithMyAPI(ch, size);
+    free(ch);
+    ch = nullptr;
+    return 0;
+}
+

test/fuzztest/applicationanrlistener_fuzzer/applicationanrlistener_fuzzer.h

@@ -0,0 +1,21 @@
+/*
+ * Copyright (c) 2022 Huawei Device Co., Ltd.
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#ifndef FUZZTEST_OHOS_ABILITY_RUNTIME_APPLICATIONANRLISTENER_FUZZER_H
+#define FUZZTEST_OHOS_ABILITY_RUNTIME_APPLICATIONANRLISTENER_FUZZER_H
+
+#define FUZZ_PROJECT_NAME "applicationanrlistener_fuzzer"
+
+#endif // FUZZTEST_OHOS_ABILITY_RUNTIME_APPLICATIONANRLISTENER_FUZZER_H

test/fuzztest/applicationanrlistener_fuzzer/corpus/init

@@ -0,0 +1,16 @@
+/*
+ * Copyright (c) 2022 Huawei Device Co., Ltd.
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+FUZZ

test/fuzztest/applicationanrlistener_fuzzer/project.xml

@@ -0,0 +1,25 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!-- Copyright (c) 2022 Huawei Device Co., Ltd.
+
+     Licensed under the Apache License, Version 2.0 (the "License");
+     you may not use this file except in compliance with the License.
+     You may obtain a copy of the License at
+
+          http://www.apache.org/licenses/LICENSE-2.0
+
+     Unless required by applicable law or agreed to in writing, software
+     distributed under the License is distributed on an "AS IS" BASIS,
+     WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+     See the License for the specific language governing permissions and
+     limitations under the License.
+-->
+<fuzz_config>
+  <fuzztest>
+    <!-- maximum length of a test input -->
+    <max_len>1000</max_len>
+    <!-- maximum total time in seconds to run the fuzzer -->
+    <max_total_time>300</max_total_time>
+    <!-- memory usage limit in Mb -->
+    <rss_limit_mb>4096</rss_limit_mb>
+  </fuzztest>
+</fuzz_config>

test/fuzztest/connectionstatemanager_fuzzer/BUILD.gn

@@ -0,0 +1,88 @@
+# Copyright (c) 2022 Huawei Device Co., Ltd.
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+#####################hydra-fuzz###################
+import("//build/config/features.gni")
+import("//build/ohos.gni")
+import("//build/test.gni")
+import("//foundation/ability/ability_runtime/ability_runtime.gni")
+import("//foundation/resourceschedule/background_task_mgr/bgtaskmgr.gni")
+module_output_path = "ability_runtime/abilitymgr"
+
+##############################fuzztest##########################################
+ohos_fuzztest("ConnectionStateManagerFuzzTest") {
+  module_out_path = module_output_path
+
+  fuzz_config_file =
+      "${ability_runtime_test_path}/fuzztest/connectionstatemanager_fuzzer"
+  include_dirs = [
+    "${ability_runtime_innerkits_path}/ability_manager/include",
+    "${ability_runtime_innerkits_path}/dataobs_manager/include",
+    "${bgtaskmgr_interfaces_path}/innerkits/include",
+    "${multimodalinput_path}/interfaces/native/innerkits/event/include",
+  ]
+  cflags = [
+    "-g",
+    "-O0",
+    "-Wno-unused-variable",
+    "-fno-omit-frame-pointer",
+  ]
+  sources = [ "connectionstatemanager_fuzzer.cpp" ]
+
+  configs = [
+    "${ability_runtime_innerkits_path}/ability_manager:ability_manager_public_config",
+    "${ability_runtime_services_path}/abilitymgr:abilityms_config",
+  ]
+
+  deps = [
+    "${ability_runtime_innerkits_path}/ability_manager:ability_manager",
+    "${ability_runtime_innerkits_path}/uri_permission:uri_permission_mgr",
+    "${ability_runtime_native_path}/ability/native:abilitykit_native",
+    "${ability_runtime_services_path}/abilitymgr:abilityms",
+    "//third_party/jsoncpp:jsoncpp",
+  ]
+
+  external_deps = [
+    "ability_base:want",
+    "ability_base:zuri",
+    "ability_runtime:connection_obs_manager",
+    "bundle_framework:appexecfwk_base",
+    "c_utils:utils",
+    "common_event_service:cesfwk_core",
+    "common_event_service:cesfwk_innerkits",
+    "eventhandler:libeventhandler",
+    "ipc:ipc_core",
+    "relational_store:native_dataability",
+    "relational_store:native_rdb",
+    "samgr:samgr_proxy",
+  ]
+
+  if (ability_runtime_graphics) {
+    deps += []
+    external_deps += [
+      "i18n:intl_util",
+      "window_manager:libwm",
+    ]
+  }
+}
+
+###############################################################################
+group("fuzztest") {
+  testonly = true
+  deps = []
+  deps += [
+    # deps file
+    ":ConnectionStateManagerFuzzTest",
+  ]
+}
+###############################################################################

test/fuzztest/connectionstatemanager_fuzzer/connectionstatemanager_fuzzer.cpp

@@ -0,0 +1,256 @@
+/*
+ * Copyright (c) 2022 Huawei Device Co., Ltd.
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include "connectionstatemanager_fuzzer.h"
+
+#include <cstddef>
+#include <cstdint>
+
+#define private public
+#define protected public
+#include "connection_observer_controller.h"
+#include "connection_record.h"
+#include "connection_state_item.h"
+#include "connection_state_manager.h"
+#undef protected
+#undef private
+
+#include "ability_record.h"
+#include "continuous_task_callback_info.h"
+
+using namespace OHOS::AAFwk;
+using namespace OHOS::AppExecFwk;
+using namespace OHOS::AbilityRuntime;
+
+namespace OHOS {
+namespace {
+constexpr size_t FOO_MAX_LEN = 1024;
+constexpr size_t U32_AT_SIZE = 4;
+constexpr uint8_t ENABLE = 2;
+class MyAbilityConnection : public IAbilityConnection {
+public:
+    MyAbilityConnection() = default;
+    virtual ~MyAbilityConnection() = default;
+    void OnAbilityConnectDone(
+        const AppExecFwk::ElementName &element, const sptr<IRemoteObject> &remoteObject, int resultCode) override
+    {}
+    void OnAbilityDisconnectDone(const AppExecFwk::ElementName &element, int resultCode) override
+    {}
+    sptr<IRemoteObject> AsObject() override
+    {
+        return {};
+    }
+};
+class MyAbilityConnectionObserver : public IConnectionObserver {
+public:
+    MyAbilityConnectionObserver() = default;
+    virtual ~MyAbilityConnectionObserver() = default;
+    void OnExtensionConnected(const ConnectionData &data) override
+    {}
+    void OnExtensionDisconnected(const ConnectionData &data) override
+    {}
+    void OnDlpAbilityOpened(const DlpStateData &data) override
+    {}
+    void OnDlpAbilityClosed(const DlpStateData &data) override
+    {}
+    sptr<IRemoteObject> AsObject() override
+    {
+        return {};
+    }
+};
+}
+
+uint32_t GetU32Data(const char* ptr)
+{
+    // convert fuzz input data to an integer
+    return (ptr[0] << 24) | (ptr[1] << 16) | (ptr[2] << 8) | ptr[3];
+}
+
+std::shared_ptr<AbilityRecord> GetFuzzAbilityRecord()
+{
+    sptr<Token> token = nullptr;
+    AbilityRequest abilityRequest;
+    abilityRequest.appInfo.bundleName = "com.example.fuzzTest";
+    abilityRequest.abilityInfo.name = "MainAbility";
+    abilityRequest.abilityInfo.type = AbilityType::DATA;
+    std::shared_ptr<AbilityRecord> abilityRecord = AbilityRecord::CreateAbilityRecord(abilityRequest);
+    if (!abilityRecord) {
+        return nullptr;
+    }
+    return abilityRecord;
+}
+
+sptr<Token> GetFuzzAbilityToken()
+{
+    sptr<Token> token = nullptr;
+    std::shared_ptr<AbilityRecord> abilityRecord = GetFuzzAbilityRecord();
+    if (abilityRecord) {
+        token = abilityRecord->GetToken();
+    }
+    return token;
+}
+
+bool DoSomethingInterestingWithMyAPI(const char* data, size_t size)
+{
+    bool boolParam = *data % ENABLE;
+    int intParam = static_cast<int>(GetU32Data(data));
+    int32_t int32Param = static_cast<int32_t>(GetU32Data(data));
+    std::string stringParam(data, size);
+    Parcel wantParcel;
+    Want *want = nullptr;
+    if (wantParcel.WriteBuffer(data, size)) {
+        want = Want::Unmarshalling(wantParcel);
+        if (!want) {
+            return false;
+        }
+    }
+    sptr<IRemoteObject> token = GetFuzzAbilityToken();
+    sptr<IAbilityConnection> connect = new MyAbilityConnection();
+    sptr<AbilityRuntime::IConnectionObserver> observer = new MyAbilityConnectionObserver();
+    std::vector<std::string> info;
+    AbilityRuntime::ConnectionData connectionData;
+
+    // fuzz for ConnectionObserverController
+    auto connectionObserverController = std::make_shared<ConnectionObserverController>();
+    connectionObserverController->AddObserver(observer);
+    connectionObserverController->RemoveObserver(observer);
+    connectionObserverController->NotifyExtensionConnected(connectionData);
+    connectionObserverController->NotifyExtensionDisconnected(connectionData);
+    AbilityRuntime::DlpStateData dlpStateData;
+    connectionObserverController->NotifyDlpAbilityOpened(dlpStateData);
+    connectionObserverController->NotifyDlpAbilityClosed(dlpStateData);
+    connectionObserverController->GetObservers();
+    wptr<IRemoteObject> remote;
+    connectionObserverController->HandleRemoteDied(remote);
+    ConnectionObserverController::ObserverDeathRecipient::ObserverDeathHandler handler;
+    auto observerDeathRecipient =
+        new ConnectionObserverController::ObserverDeathRecipient(handler);
+    observerDeathRecipient->OnRemoteDied(remote);
+
+    // fuzz for ConnectionRecord
+    std::shared_ptr<AbilityRecord> targetService = GetFuzzAbilityRecord();
+    auto connectionRecord = std::make_shared<ConnectionRecord>(token, targetService, connect);
+    connectionRecord->CreateConnectionRecord(token, targetService, connect);
+    ConnectionState state = ConnectionState::CONNECTED;
+    connectionRecord->SetConnectState(state);
+    connectionRecord->GetConnectState();
+    connectionRecord->GetToken();
+    connectionRecord->GetAbilityRecord();
+    connectionRecord->GetAbilityConnectCallback();
+    connectionRecord->ClearConnCallBack();
+    connectionRecord->DisconnectAbility();
+    connectionRecord->CompleteConnect(intParam);
+    connectionRecord->CompleteDisconnect(intParam, boolParam);
+    connectionRecord->ScheduleDisconnectAbilityDone();
+    connectionRecord->ScheduleConnectAbilityDone();
+    connectionRecord->DisconnectTimeout();
+    connectionRecord->ConvertConnectionState(state);
+    connectionRecord->Dump(info);
+    connectionRecord->AttachCallerInfo();
+    connectionRecord->GetCallerUid();
+    connectionRecord->GetCallerPid();
+    connectionRecord->GetCallerName();
+    connectionRecord->GetTargetToken();
+    connectionRecord->GetConnection();
+
+    // fuzz for ConnectionRecord
+    auto connectionStateItem = std::make_shared<ConnectionStateItem>(int32Param, int32Param, stringParam);
+    std::shared_ptr<ConnectionRecord> record;
+    connectionStateItem->CreateConnectionStateItem(record);
+    DataAbilityCaller dataCaller;
+    connectionStateItem->CreateConnectionStateItem(dataCaller);
+    connectionStateItem->AddConnection(record, connectionData);
+    connectionStateItem->RemoveConnection(record, connectionData);
+    std::shared_ptr<DataAbilityRecord> dataAbility;
+    connectionStateItem->AddDataAbilityConnection(dataCaller, dataAbility, connectionData);
+    connectionStateItem->RemoveDataAbilityConnection(dataCaller, dataAbility, connectionData);
+    connectionStateItem->HandleDataAbilityDied(token, connectionData);
+    connectionStateItem->IsEmpty();
+    std::vector<AbilityRuntime::ConnectionData> datas;
+    connectionStateItem->GenerateAllConnectionData(datas);
+    std::shared_ptr<ConnectedExtension> connectedExtension;
+    connectionStateItem->GenerateConnectionData(connectedExtension, connectionData);
+    std::shared_ptr<ConnectedDataAbility> connectedDataAbility;
+    connectionStateItem->GenerateConnectionData(connectedDataAbility, connectionData);
+
+    // fuzz for ConnectionStateManager
+    auto connectionStateManager = std::make_shared<ConnectionStateManager>();
+    connectionStateManager->GetProcessNameByPid(int32Param);
+    connectionStateManager->Init();
+    connectionStateManager->RegisterObserver(observer);
+    connectionStateManager->UnregisterObserver(observer);
+    connectionStateManager->AddConnection(record);
+    connectionStateManager->RemoveConnection(record, boolParam);
+    connectionStateManager->AddDataAbilityConnection(dataCaller, dataAbility);
+    connectionStateManager->RemoveDataAbilityConnection(dataCaller, dataAbility);
+    connectionStateManager->CheckDataAbilityConnectionParams(dataCaller, dataAbility);
+    connectionStateManager->HandleDataAbilityDied(dataAbility);
+    connectionStateManager->HandleDataAbilityCallerDied(int32Param);
+    std::shared_ptr<AbilityRecord> dlpManger = GetFuzzAbilityRecord();
+    connectionStateManager->AddDlpManager(dlpManger);
+    connectionStateManager->RemoveDlpManager(dlpManger);
+    connectionStateManager->AddDlpAbility(dlpManger);
+    connectionStateManager->RemoveDlpAbility(dlpManger);
+    connectionStateManager->HandleAppDied(int32Param);
+    std::vector<AbilityRuntime::DlpConnectionInfo> infos;
+    connectionStateManager->GetDlpConnectionInfos(infos);
+    connectionStateManager->AddConnectionInner(connectionRecord, connectionData);
+    connectionStateManager->RemoveConnectionInner(connectionRecord, connectionData);
+    connectionStateManager->HandleCallerDied(int32Param);
+    connectionStateManager->RemoveDiedCaller(int32Param);
+    connectionStateManager->AddDataAbilityConnectionInner(dataCaller, dataAbility, connectionData);
+    connectionStateManager->RemoveDataAbilityConnectionInner(dataCaller, dataAbility, connectionData);
+    connectionStateManager->HandleDataAbilityDiedInner(token, datas);
+    AbilityRuntime::DlpStateData dlpData;
+    connectionStateManager->HandleDlpAbilityInner(dlpManger, boolParam, dlpData);
+    connectionStateManager->InitAppStateObserver();
+
+    return true;
+}
+}
+
+/* Fuzzer entry point */
+extern "C" int LLVMFuzzerTestOneInput(const uint8_t* data, size_t size)
+{
+    /* Run your code on data */
+    if (data == nullptr) {
+        return 0;
+    }
+
+    /* Validate the length of size */
+    if (size < OHOS::U32_AT_SIZE || size > OHOS::FOO_MAX_LEN) {
+        return 0;
+    }
+
+    char* ch = (char *)malloc(size + 1);
+    if (ch == nullptr) {
+        std::cout << "malloc failed." << std::endl;
+        return 0;
+    }
+
+    (void)memset_s(ch, size + 1, 0x00, size + 1);
+    if (memcpy_s(ch, size, data, size) != EOK) {
+        std::cout << "copy failed." << std::endl;
+        free(ch);
+        ch = nullptr;
+        return 0;
+    }
+
+    OHOS::DoSomethingInterestingWithMyAPI(ch, size);
+    free(ch);
+    ch = nullptr;
+    return 0;
+}
+

test/fuzztest/connectionstatemanager_fuzzer/connectionstatemanager_fuzzer.h

@@ -0,0 +1,21 @@
+/*
+ * Copyright (c) 2022 Huawei Device Co., Ltd.
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#ifndef FUZZTEST_OHOS_ABILITY_RUNTIME_CONNECTIONSTATEMANAGER_FUZZER_H
+#define FUZZTEST_OHOS_ABILITY_RUNTIME_CONNECTIONSTATEMANAGER_FUZZER_H
+
+#define FUZZ_PROJECT_NAME "connectionstatemanager_fuzzer"
+
+#endif // FUZZTEST_OHOS_ABILITY_RUNTIME_CONNECTIONSTATEMANAGER_FUZZER_H

test/fuzztest/connectionstatemanager_fuzzer/corpus/init

@@ -0,0 +1,16 @@
+/*
+ * Copyright (c) 2022 Huawei Device Co., Ltd.
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+FUZZ

test/fuzztest/connectionstatemanager_fuzzer/project.xml

@@ -0,0 +1,25 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!-- Copyright (c) 2022 Huawei Device Co., Ltd.
+
+     Licensed under the Apache License, Version 2.0 (the "License");
+     you may not use this file except in compliance with the License.
+     You may obtain a copy of the License at
+
+          http://www.apache.org/licenses/LICENSE-2.0
+
+     Unless required by applicable law or agreed to in writing, software
+     distributed under the License is distributed on an "AS IS" BASIS,
+     WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+     See the License for the specific language governing permissions and
+     limitations under the License.
+-->
+<fuzz_config>
+  <fuzztest>
+    <!-- maximum length of a test input -->
+    <max_len>1000</max_len>
+    <!-- maximum total time in seconds to run the fuzzer -->
+    <max_total_time>300</max_total_time>
+    <!-- memory usage limit in Mb -->
+    <rss_limit_mb>4096</rss_limit_mb>
+  </fuzztest>
+</fuzz_config>