diff --git a/interfaces/inner_kits/native_cpp/test/fuzztest/BUILD.gn b/interfaces/inner_kits/native_cpp/test/fuzztest/BUILD.gn
index 45f8f5905e070bac3e044ee1e4506100a78034f8..de881de9cef80c3ac8751d08a1d7cd490ffc22ff 100644
--- a/interfaces/inner_kits/native_cpp/test/fuzztest/BUILD.gn
+++ b/interfaces/inner_kits/native_cpp/test/fuzztest/BUILD.gn
@@ -44,7 +44,19 @@ group("fuzztest") {
     "${services_path}/audiomanager/test/fuzztest/sourceserviceregisterdistributedhardware_fuzzer:fuzztest",
     "${services_path}/audiomanager/test/fuzztest/sourceservicereleasesource_fuzzer:fuzztest",
     "${services_path}/audiomanager/test/fuzztest/sourceserviceunregisterdistributedhardware_fuzzer:fuzztest",
+    "${services_path}/audioprocessor/test/fuzztest/decoderonerror_fuzzer:fuzztest",
+    "${services_path}/audioprocessor/test/fuzztest/decoderoninputavailable_fuzzer:fuzztest",
+    "${services_path}/audioprocessor/test/fuzztest/decoderonoutputavailable_fuzzer:fuzztest",
+    "${services_path}/audioprocessor/test/fuzztest/decoderonoutputchanged_fuzzer:fuzztest",
+    "${services_path}/audioprocessor/test/fuzztest/encoderonerror_fuzzer:fuzztest",
+    "${services_path}/audioprocessor/test/fuzztest/encoderoninputavailable_fuzzer:fuzztest",
+    "${services_path}/audioprocessor/test/fuzztest/encoderonoutputavailable_fuzzer:fuzztest",
+    "${services_path}/audioprocessor/test/fuzztest/encoderonoutputchanged_fuzzer:fuzztest",
     "${services_path}/common/test/fuzztest/audiodatasetinit64_fuzzer:fuzztest",
+    "${services_path}/softbusadapter/test/fuzztest/softbusonbytesreceived_fuzzer:fuzztest",
+    "${services_path}/softbusadapter/test/fuzztest/softbusonsessionclosed_fuzzer:fuzztest",
+    "${services_path}/softbusadapter/test/fuzztest/softbusonsessionopened_fuzzer:fuzztest",
+    "${services_path}/softbusadapter/test/fuzztest/softbusonstreamreceived_fuzzer:fuzztest",
     "onremotesinksvrdied_fuzzer:fuzztest",
     "onremotesourcesvrdied_fuzzer:fuzztest",
     "sinkhandlerfinishstartsa_fuzzer:fuzztest",
diff --git a/services/audioprocessor/test/fuzztest/decoderonerror_fuzzer/BUILD.gn b/services/audioprocessor/test/fuzztest/decoderonerror_fuzzer/BUILD.gn
new file mode 100644
index 0000000000000000000000000000000000000000..057426980105037d57444e45703d11ae6ec88750
--- /dev/null
+++ b/services/audioprocessor/test/fuzztest/decoderonerror_fuzzer/BUILD.gn
@@ -0,0 +1,68 @@
+# Copyright (c) 2023 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/test.gni")
+import("../../../../../distributedaudio.gni")
+
+##############################fuzztest##########################################
+ohos_fuzztest("DecoderOnErrorFuzzTest") {
+  module_out_path = "distributed_audio/decoderonerror"
+  fuzz_config_file =
+      "${audio_processor_path}/test/fuzztest/decoderonerror_fuzzer"
+
+  cflags = [
+    "-g",
+    "-O0",
+    "-Wno-unused-variable",
+    "-fno-omit-frame-pointer",
+  ]
+  sources = [ "decoderonerror_fuzzer.cpp" ]
+
+  include_dirs = [
+    "${fwk_utils_path}/include/log",
+    "${fwk_utils_path}/include",
+    "${fwk_common_path}/log/include",
+    "${fwk_common_path}/utils/include",
+  ]
+
+  include_dirs += [
+    "include",
+    "${common_path}/include",
+    "${audio_processor_path}/decoder/include",
+  ]
+
+  deps = [
+    "${audio_transport_path}/decodetransport:distributed_audio_decode_transport",
+    "${services_path}/common:distributed_audio_utils",
+  ]
+
+  external_deps = [
+    "c_utils:utils",
+    "player_framework:media_client",
+  ]
+
+  defines = [
+    "HI_LOG_ENABLE",
+    "DH_LOG_TAG=\"DecoderOnErrorFuzzTest\"",
+    "LOG_DOMAIN=0xD004100",
+  ]
+}
+
+###############################################################################
+group("fuzztest") {
+  testonly = true
+  deps = [ ":DecoderOnErrorFuzzTest" ]
+}
+###############################################################################
diff --git a/services/audioprocessor/test/fuzztest/decoderonerror_fuzzer/corpus/init b/services/audioprocessor/test/fuzztest/decoderonerror_fuzzer/corpus/init
new file mode 100644
index 0000000000000000000000000000000000000000..2b595da0c26af63ffb2d5f4132c086b2e5986fce
--- /dev/null
+++ b/services/audioprocessor/test/fuzztest/decoderonerror_fuzzer/corpus/init
@@ -0,0 +1,16 @@
+/*
+ * Copyright (c) 2023 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
\ No newline at end of file
diff --git a/services/audioprocessor/test/fuzztest/decoderonerror_fuzzer/decoderonerror_fuzzer.cpp b/services/audioprocessor/test/fuzztest/decoderonerror_fuzzer/decoderonerror_fuzzer.cpp
new file mode 100644
index 0000000000000000000000000000000000000000..68cdb6fcc1bc8aea15d142b6114625c7c4c76593
--- /dev/null
+++ b/services/audioprocessor/test/fuzztest/decoderonerror_fuzzer/decoderonerror_fuzzer.cpp
@@ -0,0 +1,48 @@
+/*
+ * Copyright (c) 2023 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 "decoderonerror_fuzzer.h"
+
+#include <cstddef>
+#include <cstdint>
+
+#include "audio_decoder.h"
+#include "if_system_ability_manager.h"
+#include "iservice_registry.h"
+
+namespace OHOS {
+namespace DistributedHardware {
+void DecoderOnErrorFuzzTest(const uint8_t* data, size_t size)
+{
+    if (data == nullptr) {
+        return;
+    }
+    int32_t type = *(reinterpret_cast<const int32_t*>(data));
+
+    std::shared_ptr<AudioDecoder> decoder = std::make_shared<AudioDecoder>();
+    AudioEvent event(static_cast<AudioEventType>(type), "");
+    decoder->OnError(event);
+}
+}
+}
+
+/* Fuzzer entry point */
+extern "C" int LLVMFuzzerTestOneInput(const uint8_t* data, size_t size)
+{
+    /* Run your code on data */
+    OHOS::DistributedHardware::DecoderOnErrorFuzzTest(data, size);
+    return 0;
+}
+
diff --git a/services/audioprocessor/test/fuzztest/decoderonerror_fuzzer/decoderonerror_fuzzer.h b/services/audioprocessor/test/fuzztest/decoderonerror_fuzzer/decoderonerror_fuzzer.h
new file mode 100644
index 0000000000000000000000000000000000000000..7f5ab292b84d9ce879c0e9e311ea61154db2ba16
--- /dev/null
+++ b/services/audioprocessor/test/fuzztest/decoderonerror_fuzzer/decoderonerror_fuzzer.h
@@ -0,0 +1,21 @@
+/*
+ * Copyright (c) 2023 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 DECODERONERROR_FUZZER_H
+#define DECODERONERROR_FUZZER_H
+
+#define FUZZ_PROJECT_NAME "decoderonerror_fuzzer"
+
+#endif
\ No newline at end of file
diff --git a/services/audioprocessor/test/fuzztest/decoderonerror_fuzzer/project.xml b/services/audioprocessor/test/fuzztest/decoderonerror_fuzzer/project.xml
new file mode 100644
index 0000000000000000000000000000000000000000..4fdbc407f205680885fa42663163b5c987f123a6
--- /dev/null
+++ b/services/audioprocessor/test/fuzztest/decoderonerror_fuzzer/project.xml
@@ -0,0 +1,25 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!-- Copyright (c) 2023 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>
diff --git a/services/audioprocessor/test/fuzztest/decoderoninputavailable_fuzzer/BUILD.gn b/services/audioprocessor/test/fuzztest/decoderoninputavailable_fuzzer/BUILD.gn
new file mode 100644
index 0000000000000000000000000000000000000000..888ca204fa47369528f7fdda4156f907965dd758
--- /dev/null
+++ b/services/audioprocessor/test/fuzztest/decoderoninputavailable_fuzzer/BUILD.gn
@@ -0,0 +1,68 @@
+# Copyright (c) 2023 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/test.gni")
+import("../../../../../distributedaudio.gni")
+
+##############################fuzztest##########################################
+ohos_fuzztest("DecoderOnInputAvailableFuzzTest") {
+  module_out_path = "distributed_audio/decoderoninputavailable"
+  fuzz_config_file =
+      "${audio_processor_path}/test/fuzztest/decoderoninputavailable_fuzzer"
+
+  cflags = [
+    "-g",
+    "-O0",
+    "-Wno-unused-variable",
+    "-fno-omit-frame-pointer",
+  ]
+  sources = [ "decoderoninputavailable_fuzzer.cpp" ]
+
+  include_dirs = [
+    "${fwk_utils_path}/include/log",
+    "${fwk_utils_path}/include",
+    "${fwk_common_path}/log/include",
+    "${fwk_common_path}/utils/include",
+  ]
+
+  include_dirs += [
+    "include",
+    "${common_path}/include",
+    "${audio_processor_path}/decoder/include",
+  ]
+
+  deps = [
+    "${audio_transport_path}/decodetransport:distributed_audio_decode_transport",
+    "${services_path}/common:distributed_audio_utils",
+  ]
+
+  external_deps = [
+    "c_utils:utils",
+    "player_framework:media_client",
+  ]
+
+  defines = [
+    "HI_LOG_ENABLE",
+    "DH_LOG_TAG=\"DecoderOnInputAvailableFuzzTest\"",
+    "LOG_DOMAIN=0xD004100",
+  ]
+}
+
+###############################################################################
+group("fuzztest") {
+  testonly = true
+  deps = [ ":DecoderOnInputAvailableFuzzTest" ]
+}
+###############################################################################
diff --git a/services/audioprocessor/test/fuzztest/decoderoninputavailable_fuzzer/corpus/init b/services/audioprocessor/test/fuzztest/decoderoninputavailable_fuzzer/corpus/init
new file mode 100644
index 0000000000000000000000000000000000000000..2b595da0c26af63ffb2d5f4132c086b2e5986fce
--- /dev/null
+++ b/services/audioprocessor/test/fuzztest/decoderoninputavailable_fuzzer/corpus/init
@@ -0,0 +1,16 @@
+/*
+ * Copyright (c) 2023 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
\ No newline at end of file
diff --git a/services/audioprocessor/test/fuzztest/decoderoninputavailable_fuzzer/decoderoninputavailable_fuzzer.cpp b/services/audioprocessor/test/fuzztest/decoderoninputavailable_fuzzer/decoderoninputavailable_fuzzer.cpp
new file mode 100644
index 0000000000000000000000000000000000000000..12046073a3b2b291c7d6cac3ad399a2acf04d844
--- /dev/null
+++ b/services/audioprocessor/test/fuzztest/decoderoninputavailable_fuzzer/decoderoninputavailable_fuzzer.cpp
@@ -0,0 +1,47 @@
+/*
+ * Copyright (c) 2023 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 "decoderoninputavailable_fuzzer.h"
+
+#include <cstddef>
+#include <cstdint>
+
+#include "audio_decoder.h"
+#include "if_system_ability_manager.h"
+#include "iservice_registry.h"
+
+namespace OHOS {
+namespace DistributedHardware {
+void DecoderOnInputAvailabelFuzzTest(const uint8_t* data, size_t size)
+{
+    if (data == nullptr) {
+        return;
+    }
+
+    uint32_t index = *(reinterpret_cast<const uint32_t*>(data));
+    std::shared_ptr<AudioDecoder> decoder = std::make_shared<AudioDecoder>();
+    decoder->OnInputBufferAvailable(index);
+}
+}
+}
+
+/* Fuzzer entry point */
+extern "C" int LLVMFuzzerTestOneInput(const uint8_t* data, size_t size)
+{
+    /* Run your code on data */
+    OHOS::DistributedHardware::DecoderOnInputAvailabelFuzzTest(data, size);
+    return 0;
+}
+
diff --git a/services/audioprocessor/test/fuzztest/decoderoninputavailable_fuzzer/decoderoninputavailable_fuzzer.h b/services/audioprocessor/test/fuzztest/decoderoninputavailable_fuzzer/decoderoninputavailable_fuzzer.h
new file mode 100644
index 0000000000000000000000000000000000000000..decf9c8ce1450d5d7ea3de7dfa907040c2f235d2
--- /dev/null
+++ b/services/audioprocessor/test/fuzztest/decoderoninputavailable_fuzzer/decoderoninputavailable_fuzzer.h
@@ -0,0 +1,21 @@
+/*
+ * Copyright (c) 2023 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 DECODERONINPUTAVAILABLE_FUZZER_H
+#define DECODERONINPUTAVAILABLE_FUZZER_H
+
+#define FUZZ_PROJECT_NAME "decoderoninputavailable_fuzzer"
+
+#endif
\ No newline at end of file
diff --git a/services/audioprocessor/test/fuzztest/decoderoninputavailable_fuzzer/project.xml b/services/audioprocessor/test/fuzztest/decoderoninputavailable_fuzzer/project.xml
new file mode 100644
index 0000000000000000000000000000000000000000..4fdbc407f205680885fa42663163b5c987f123a6
--- /dev/null
+++ b/services/audioprocessor/test/fuzztest/decoderoninputavailable_fuzzer/project.xml
@@ -0,0 +1,25 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!-- Copyright (c) 2023 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>
diff --git a/services/audioprocessor/test/fuzztest/decoderonoutputavailable_fuzzer/BUILD.gn b/services/audioprocessor/test/fuzztest/decoderonoutputavailable_fuzzer/BUILD.gn
new file mode 100644
index 0000000000000000000000000000000000000000..6b620a8598f7c16147e0ceab6cc72550963c1fad
--- /dev/null
+++ b/services/audioprocessor/test/fuzztest/decoderonoutputavailable_fuzzer/BUILD.gn
@@ -0,0 +1,68 @@
+# Copyright (c) 2023 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/test.gni")
+import("../../../../../distributedaudio.gni")
+
+##############################fuzztest##########################################
+ohos_fuzztest("DecoderOnOutputAvailableFuzzTest") {
+  module_out_path = "distributed_audio/decoderonoutputavailable"
+  fuzz_config_file =
+      "${audio_processor_path}/test/fuzztest/decoderonoutputavailable_fuzzer"
+
+  cflags = [
+    "-g",
+    "-O0",
+    "-Wno-unused-variable",
+    "-fno-omit-frame-pointer",
+  ]
+  sources = [ "decoderonoutputavailable_fuzzer.cpp" ]
+
+  include_dirs = [
+    "${fwk_utils_path}/include/log",
+    "${fwk_utils_path}/include",
+    "${fwk_common_path}/log/include",
+    "${fwk_common_path}/utils/include",
+  ]
+
+  include_dirs += [
+    "include",
+    "${common_path}/include",
+    "${audio_processor_path}/decoder/include",
+  ]
+
+  deps = [
+    "${audio_transport_path}/decodetransport:distributed_audio_decode_transport",
+    "${services_path}/common:distributed_audio_utils",
+  ]
+
+  external_deps = [
+    "c_utils:utils",
+    "player_framework:media_client",
+  ]
+
+  defines = [
+    "HI_LOG_ENABLE",
+    "DH_LOG_TAG=\"DecoderOnOutputAvailableFuzzTest\"",
+    "LOG_DOMAIN=0xD004100",
+  ]
+}
+
+###############################################################################
+group("fuzztest") {
+  testonly = true
+  deps = [ ":DecoderOnOutputAvailableFuzzTest" ]
+}
+###############################################################################
diff --git a/services/audioprocessor/test/fuzztest/decoderonoutputavailable_fuzzer/corpus/init b/services/audioprocessor/test/fuzztest/decoderonoutputavailable_fuzzer/corpus/init
new file mode 100644
index 0000000000000000000000000000000000000000..2b595da0c26af63ffb2d5f4132c086b2e5986fce
--- /dev/null
+++ b/services/audioprocessor/test/fuzztest/decoderonoutputavailable_fuzzer/corpus/init
@@ -0,0 +1,16 @@
+/*
+ * Copyright (c) 2023 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
\ No newline at end of file
diff --git a/services/audioprocessor/test/fuzztest/decoderonoutputavailable_fuzzer/decoderonoutputavailable_fuzzer.cpp b/services/audioprocessor/test/fuzztest/decoderonoutputavailable_fuzzer/decoderonoutputavailable_fuzzer.cpp
new file mode 100644
index 0000000000000000000000000000000000000000..53c07911118b84ec02eb7cf09bb8f9ff64e5974c
--- /dev/null
+++ b/services/audioprocessor/test/fuzztest/decoderonoutputavailable_fuzzer/decoderonoutputavailable_fuzzer.cpp
@@ -0,0 +1,53 @@
+/*
+ * Copyright (c) 2023 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 "decoderonoutputavailable_fuzzer.h"
+
+#include <cstddef>
+#include <cstdint>
+
+#include "audio_decoder.h"
+#include "if_system_ability_manager.h"
+#include "iservice_registry.h"
+
+namespace OHOS {
+namespace DistributedHardware {
+void DecoderOnOutputAvailabelFuzzTest(const uint8_t* data, size_t size)
+{
+    if (data == nullptr) {
+        return;
+    }
+
+    uint32_t index = *(reinterpret_cast<const uint32_t*>(data));
+    int64_t presentTimeUs = *(reinterpret_cast<const int64_t*>(data));
+    int32_t infoSize = *(reinterpret_cast<const int32_t*>(data));
+    int32_t offset = *(reinterpret_cast<const int32_t*>(data));
+    int32_t bufferFlag = *(reinterpret_cast<const int32_t*>(data));
+    Media::AVCodecBufferInfo info = {presentTimeUs, infoSize, offset};
+    Media::AVCodecBufferFlag flag = static_cast<Media::AVCodecBufferFlag>(bufferFlag);
+    std::shared_ptr<AudioDecoder> decoder = std::make_shared<AudioDecoder>();
+    decoder->OnOutputBufferAvailable(index, info, flag);
+}
+}
+}
+
+/* Fuzzer entry point */
+extern "C" int LLVMFuzzerTestOneInput(const uint8_t* data, size_t size)
+{
+    /* Run your code on data */
+    OHOS::DistributedHardware::DecoderOnOutputAvailabelFuzzTest(data, size);
+    return 0;
+}
+
diff --git a/services/audioprocessor/test/fuzztest/decoderonoutputavailable_fuzzer/decoderonoutputavailable_fuzzer.h b/services/audioprocessor/test/fuzztest/decoderonoutputavailable_fuzzer/decoderonoutputavailable_fuzzer.h
new file mode 100644
index 0000000000000000000000000000000000000000..1b5f7177fc82da82da98a8d0706f454f6d218e97
--- /dev/null
+++ b/services/audioprocessor/test/fuzztest/decoderonoutputavailable_fuzzer/decoderonoutputavailable_fuzzer.h
@@ -0,0 +1,21 @@
+/*
+ * Copyright (c) 2023 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 DECODERONOUTPUTAVAILABLE_FUZZER_H
+#define DECODERONOUTPUTAVAILABLE_FUZZER_H
+
+#define FUZZ_PROJECT_NAME "decoderonoutputavailable_fuzzer"
+
+#endif
\ No newline at end of file
diff --git a/services/audioprocessor/test/fuzztest/decoderonoutputavailable_fuzzer/project.xml b/services/audioprocessor/test/fuzztest/decoderonoutputavailable_fuzzer/project.xml
new file mode 100644
index 0000000000000000000000000000000000000000..4fdbc407f205680885fa42663163b5c987f123a6
--- /dev/null
+++ b/services/audioprocessor/test/fuzztest/decoderonoutputavailable_fuzzer/project.xml
@@ -0,0 +1,25 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!-- Copyright (c) 2023 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>
diff --git a/services/audioprocessor/test/fuzztest/decoderonoutputchanged_fuzzer/BUILD.gn b/services/audioprocessor/test/fuzztest/decoderonoutputchanged_fuzzer/BUILD.gn
new file mode 100644
index 0000000000000000000000000000000000000000..e6a835d7c3c043117ad197e227fd5a718bba5704
--- /dev/null
+++ b/services/audioprocessor/test/fuzztest/decoderonoutputchanged_fuzzer/BUILD.gn
@@ -0,0 +1,68 @@
+# Copyright (c) 2023 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/test.gni")
+import("../../../../../distributedaudio.gni")
+
+##############################fuzztest##########################################
+ohos_fuzztest("DecoderOnOutputChangedFuzzTest") {
+  module_out_path = "distributed_audio/decoderonoutputchanged"
+  fuzz_config_file =
+      "${audio_processor_path}/test/fuzztest/decoderonoutputchanged_fuzzer"
+
+  cflags = [
+    "-g",
+    "-O0",
+    "-Wno-unused-variable",
+    "-fno-omit-frame-pointer",
+  ]
+  sources = [ "decoderonoutputchanged_fuzzer.cpp" ]
+
+  include_dirs = [
+    "${fwk_utils_path}/include/log",
+    "${fwk_utils_path}/include",
+    "${fwk_common_path}/log/include",
+    "${fwk_common_path}/utils/include",
+  ]
+
+  include_dirs += [
+    "include",
+    "${common_path}/include",
+    "${audio_processor_path}/decoder/include",
+  ]
+
+  deps = [
+    "${audio_transport_path}/decodetransport:distributed_audio_decode_transport",
+    "${services_path}/common:distributed_audio_utils",
+  ]
+
+  external_deps = [
+    "c_utils:utils",
+    "player_framework:media_client",
+  ]
+
+  defines = [
+    "HI_LOG_ENABLE",
+    "DH_LOG_TAG=\"DecoderOnOutputChangedFuzzTest\"",
+    "LOG_DOMAIN=0xD004100",
+  ]
+}
+
+###############################################################################
+group("fuzztest") {
+  testonly = true
+  deps = [ ":DecoderOnOutputChangedFuzzTest" ]
+}
+###############################################################################
diff --git a/services/audioprocessor/test/fuzztest/decoderonoutputchanged_fuzzer/corpus/init b/services/audioprocessor/test/fuzztest/decoderonoutputchanged_fuzzer/corpus/init
new file mode 100644
index 0000000000000000000000000000000000000000..2b595da0c26af63ffb2d5f4132c086b2e5986fce
--- /dev/null
+++ b/services/audioprocessor/test/fuzztest/decoderonoutputchanged_fuzzer/corpus/init
@@ -0,0 +1,16 @@
+/*
+ * Copyright (c) 2023 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
\ No newline at end of file
diff --git a/services/audioprocessor/test/fuzztest/decoderonoutputchanged_fuzzer/decoderonoutputchanged_fuzzer.cpp b/services/audioprocessor/test/fuzztest/decoderonoutputchanged_fuzzer/decoderonoutputchanged_fuzzer.cpp
new file mode 100644
index 0000000000000000000000000000000000000000..9e8f79f15fff21d0bebe0c49cd2124070e30ed41
--- /dev/null
+++ b/services/audioprocessor/test/fuzztest/decoderonoutputchanged_fuzzer/decoderonoutputchanged_fuzzer.cpp
@@ -0,0 +1,47 @@
+/*
+ * Copyright (c) 2023 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 "decoderonoutputchanged_fuzzer.h"
+
+#include <cstddef>
+#include <cstdint>
+
+#include "audio_decoder.h"
+#include "if_system_ability_manager.h"
+#include "iservice_registry.h"
+
+namespace OHOS {
+namespace DistributedHardware {
+void DecoderOnOutputChangedFuzzTest(const uint8_t* data, size_t size)
+{
+    if (data == nullptr) {
+        return;
+    }
+
+    Media::Format format;
+    std::shared_ptr<AudioDecoder> decoder = std::make_shared<AudioDecoder>();
+    decoder->OnOutputFormatChanged(format);
+}
+}
+}
+
+/* Fuzzer entry point */
+extern "C" int LLVMFuzzerTestOneInput(const uint8_t* data, size_t size)
+{
+    /* Run your code on data */
+    OHOS::DistributedHardware::DecoderOnOutputChangedFuzzTest(data, size);
+    return 0;
+}
+
diff --git a/services/audioprocessor/test/fuzztest/decoderonoutputchanged_fuzzer/decoderonoutputchanged_fuzzer.h b/services/audioprocessor/test/fuzztest/decoderonoutputchanged_fuzzer/decoderonoutputchanged_fuzzer.h
new file mode 100644
index 0000000000000000000000000000000000000000..c8115c18bc5b9de574c32e32ac4f48f31e5a39e7
--- /dev/null
+++ b/services/audioprocessor/test/fuzztest/decoderonoutputchanged_fuzzer/decoderonoutputchanged_fuzzer.h
@@ -0,0 +1,21 @@
+/*
+ * Copyright (c) 2023 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 DECODERONOUTPUTCHANGED_FUZZER_H
+#define DECODERONOUTPUTCHANGED_FUZZER_H
+
+#define FUZZ_PROJECT_NAME "decoderonoutputchanged_fuzzer"
+
+#endif
\ No newline at end of file
diff --git a/services/audioprocessor/test/fuzztest/decoderonoutputchanged_fuzzer/project.xml b/services/audioprocessor/test/fuzztest/decoderonoutputchanged_fuzzer/project.xml
new file mode 100644
index 0000000000000000000000000000000000000000..4fdbc407f205680885fa42663163b5c987f123a6
--- /dev/null
+++ b/services/audioprocessor/test/fuzztest/decoderonoutputchanged_fuzzer/project.xml
@@ -0,0 +1,25 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!-- Copyright (c) 2023 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>
diff --git a/services/audioprocessor/test/fuzztest/encoderonerror_fuzzer/BUILD.gn b/services/audioprocessor/test/fuzztest/encoderonerror_fuzzer/BUILD.gn
new file mode 100644
index 0000000000000000000000000000000000000000..4b1886a81f690b65ad36803d7c437ab1879c1428
--- /dev/null
+++ b/services/audioprocessor/test/fuzztest/encoderonerror_fuzzer/BUILD.gn
@@ -0,0 +1,68 @@
+# Copyright (c) 2023 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/test.gni")
+import("../../../../../distributedaudio.gni")
+
+##############################fuzztest##########################################
+ohos_fuzztest("EncoderOnErrorFuzzTest") {
+  module_out_path = "distributed_audio/encoderonerror"
+  fuzz_config_file =
+      "${audio_processor_path}/test/fuzztest/encoderonerror_fuzzer"
+
+  cflags = [
+    "-g",
+    "-O0",
+    "-Wno-unused-variable",
+    "-fno-omit-frame-pointer",
+  ]
+  sources = [ "encoderonerror_fuzzer.cpp" ]
+
+  include_dirs = [
+    "${fwk_utils_path}/include/log",
+    "${fwk_utils_path}/include",
+    "${fwk_common_path}/log/include",
+    "${fwk_common_path}/utils/include",
+  ]
+
+  include_dirs += [
+    "include",
+    "${common_path}/include",
+    "${audio_processor_path}/encoder/include",
+  ]
+
+  deps = [
+    "${audio_transport_path}/encodetransport:distributed_audio_encode_transport",
+    "${services_path}/common:distributed_audio_utils",
+  ]
+
+  external_deps = [
+    "c_utils:utils",
+    "player_framework:media_client",
+  ]
+
+  defines = [
+    "HI_LOG_ENABLE",
+    "DH_LOG_TAG=\"EncoderOnErrorFuzzTest\"",
+    "LOG_DOMAIN=0xD004100",
+  ]
+}
+
+###############################################################################
+group("fuzztest") {
+  testonly = true
+  deps = [ ":EncoderOnErrorFuzzTest" ]
+}
+###############################################################################
diff --git a/services/audioprocessor/test/fuzztest/encoderonerror_fuzzer/corpus/init b/services/audioprocessor/test/fuzztest/encoderonerror_fuzzer/corpus/init
new file mode 100644
index 0000000000000000000000000000000000000000..2b595da0c26af63ffb2d5f4132c086b2e5986fce
--- /dev/null
+++ b/services/audioprocessor/test/fuzztest/encoderonerror_fuzzer/corpus/init
@@ -0,0 +1,16 @@
+/*
+ * Copyright (c) 2023 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
\ No newline at end of file
diff --git a/services/audioprocessor/test/fuzztest/encoderonerror_fuzzer/encoderonerror_fuzzer.cpp b/services/audioprocessor/test/fuzztest/encoderonerror_fuzzer/encoderonerror_fuzzer.cpp
new file mode 100644
index 0000000000000000000000000000000000000000..8b4c7eb0ed499eba8650a06b499f6f81a88b16c5
--- /dev/null
+++ b/services/audioprocessor/test/fuzztest/encoderonerror_fuzzer/encoderonerror_fuzzer.cpp
@@ -0,0 +1,48 @@
+/*
+ * Copyright (c) 2023 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 "encoderonerror_fuzzer.h"
+
+#include <cstddef>
+#include <cstdint>
+
+#include "audio_encoder.h"
+#include "if_system_ability_manager.h"
+#include "iservice_registry.h"
+
+namespace OHOS {
+namespace DistributedHardware {
+void EncoderOnErrorFuzzTest(const uint8_t* data, size_t size)
+{
+    if (data == nullptr) {
+        return;
+    }
+    
+    int32_t type = *(reinterpret_cast<const int32_t*>(data));
+    std::shared_ptr<AudioEncoder> encoder = std::make_shared<AudioEncoder>();
+    AudioEvent event(static_cast<AudioEventType>(type), "");
+    encoder->OnError(event);
+}
+}
+}
+
+/* Fuzzer entry point */
+extern "C" int LLVMFuzzerTestOneInput(const uint8_t* data, size_t size)
+{
+    /* Run your code on data */
+    OHOS::DistributedHardware::EncoderOnErrorFuzzTest(data, size);
+    return 0;
+}
+
diff --git a/services/audioprocessor/test/fuzztest/encoderonerror_fuzzer/encoderonerror_fuzzer.h b/services/audioprocessor/test/fuzztest/encoderonerror_fuzzer/encoderonerror_fuzzer.h
new file mode 100644
index 0000000000000000000000000000000000000000..b797dcab8a3913cddaf483cf9311c2cc958dcd35
--- /dev/null
+++ b/services/audioprocessor/test/fuzztest/encoderonerror_fuzzer/encoderonerror_fuzzer.h
@@ -0,0 +1,21 @@
+/*
+ * Copyright (c) 2023 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 ENCODERONERROR_FUZZER_H
+#define ENCODERONERROR_FUZZER_H
+
+#define FUZZ_PROJECT_NAME "encoderonerror_fuzzer"
+
+#endif
\ No newline at end of file
diff --git a/services/audioprocessor/test/fuzztest/encoderonerror_fuzzer/project.xml b/services/audioprocessor/test/fuzztest/encoderonerror_fuzzer/project.xml
new file mode 100644
index 0000000000000000000000000000000000000000..4fdbc407f205680885fa42663163b5c987f123a6
--- /dev/null
+++ b/services/audioprocessor/test/fuzztest/encoderonerror_fuzzer/project.xml
@@ -0,0 +1,25 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!-- Copyright (c) 2023 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>
diff --git a/services/audioprocessor/test/fuzztest/encoderoninputavailable_fuzzer/BUILD.gn b/services/audioprocessor/test/fuzztest/encoderoninputavailable_fuzzer/BUILD.gn
new file mode 100644
index 0000000000000000000000000000000000000000..318b77e6c77fec27196e8f30e1a452afa483a37a
--- /dev/null
+++ b/services/audioprocessor/test/fuzztest/encoderoninputavailable_fuzzer/BUILD.gn
@@ -0,0 +1,68 @@
+# Copyright (c) 2023 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/test.gni")
+import("../../../../../distributedaudio.gni")
+
+##############################fuzztest##########################################
+ohos_fuzztest("EncoderOnInputAvailableFuzzTest") {
+  module_out_path = "distributed_audio/encoderoninputavailable"
+  fuzz_config_file =
+      "${audio_processor_path}/test/fuzztest/encoderoninputavailable_fuzzer"
+
+  cflags = [
+    "-g",
+    "-O0",
+    "-Wno-unused-variable",
+    "-fno-omit-frame-pointer",
+  ]
+  sources = [ "encoderoninputavailable_fuzzer.cpp" ]
+
+  include_dirs = [
+    "${fwk_utils_path}/include/log",
+    "${fwk_utils_path}/include",
+    "${fwk_common_path}/log/include",
+    "${fwk_common_path}/utils/include",
+  ]
+
+  include_dirs += [
+    "include",
+    "${common_path}/include",
+    "${audio_processor_path}/encoder/include",
+  ]
+
+  deps = [
+    "${audio_transport_path}/encodetransport:distributed_audio_encode_transport",
+    "${services_path}/common:distributed_audio_utils",
+  ]
+
+  external_deps = [
+    "c_utils:utils",
+    "player_framework:media_client",
+  ]
+
+  defines = [
+    "HI_LOG_ENABLE",
+    "DH_LOG_TAG=\"EncoderOnInputAvailableFuzzTest\"",
+    "LOG_DOMAIN=0xD004100",
+  ]
+}
+
+###############################################################################
+group("fuzztest") {
+  testonly = true
+  deps = [ ":EncoderOnInputAvailableFuzzTest" ]
+}
+###############################################################################
diff --git a/services/audioprocessor/test/fuzztest/encoderoninputavailable_fuzzer/corpus/init b/services/audioprocessor/test/fuzztest/encoderoninputavailable_fuzzer/corpus/init
new file mode 100644
index 0000000000000000000000000000000000000000..2b595da0c26af63ffb2d5f4132c086b2e5986fce
--- /dev/null
+++ b/services/audioprocessor/test/fuzztest/encoderoninputavailable_fuzzer/corpus/init
@@ -0,0 +1,16 @@
+/*
+ * Copyright (c) 2023 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
\ No newline at end of file
diff --git a/services/audioprocessor/test/fuzztest/encoderoninputavailable_fuzzer/encoderoninputavailable_fuzzer.cpp b/services/audioprocessor/test/fuzztest/encoderoninputavailable_fuzzer/encoderoninputavailable_fuzzer.cpp
new file mode 100644
index 0000000000000000000000000000000000000000..1876bc6ab4930b0a7758e61f19aef6a72bab2247
--- /dev/null
+++ b/services/audioprocessor/test/fuzztest/encoderoninputavailable_fuzzer/encoderoninputavailable_fuzzer.cpp
@@ -0,0 +1,47 @@
+/*
+ * Copyright (c) 2023 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 "encoderoninputavailable_fuzzer.h"
+
+#include <cstddef>
+#include <cstdint>
+
+#include "audio_encoder.h"
+#include "if_system_ability_manager.h"
+#include "iservice_registry.h"
+
+namespace OHOS {
+namespace DistributedHardware {
+void EncoderOnInputAvailabelFuzzTest(const uint8_t* data, size_t size)
+{
+    if (data == nullptr) {
+        return;
+    }
+
+    uint32_t index = *(reinterpret_cast<const uint32_t*>(data));
+    std::shared_ptr<AudioEncoder> encoder = std::make_shared<AudioEncoder>();
+    encoder->OnInputBufferAvailable(index);
+}
+}
+}
+
+/* Fuzzer entry point */
+extern "C" int LLVMFuzzerTestOneInput(const uint8_t* data, size_t size)
+{
+    /* Run your code on data */
+    OHOS::DistributedHardware::EncoderOnInputAvailabelFuzzTest(data, size);
+    return 0;
+}
+
diff --git a/services/audioprocessor/test/fuzztest/encoderoninputavailable_fuzzer/encoderoninputavailable_fuzzer.h b/services/audioprocessor/test/fuzztest/encoderoninputavailable_fuzzer/encoderoninputavailable_fuzzer.h
new file mode 100644
index 0000000000000000000000000000000000000000..b33bee903b89b3eaac8ceb6c6e8cccd56469607c
--- /dev/null
+++ b/services/audioprocessor/test/fuzztest/encoderoninputavailable_fuzzer/encoderoninputavailable_fuzzer.h
@@ -0,0 +1,21 @@
+/*
+ * Copyright (c) 2023 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 ENCODERONINPUTAVAILABLE_FUZZER_H
+#define ENCODERONINPUTAVAILABLE_FUZZER_H
+
+#define FUZZ_PROJECT_NAME "encoderoninputavailable_fuzzer"
+
+#endif
\ No newline at end of file
diff --git a/services/audioprocessor/test/fuzztest/encoderoninputavailable_fuzzer/project.xml b/services/audioprocessor/test/fuzztest/encoderoninputavailable_fuzzer/project.xml
new file mode 100644
index 0000000000000000000000000000000000000000..4fdbc407f205680885fa42663163b5c987f123a6
--- /dev/null
+++ b/services/audioprocessor/test/fuzztest/encoderoninputavailable_fuzzer/project.xml
@@ -0,0 +1,25 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!-- Copyright (c) 2023 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>
diff --git a/services/audioprocessor/test/fuzztest/encoderonoutputavailable_fuzzer/BUILD.gn b/services/audioprocessor/test/fuzztest/encoderonoutputavailable_fuzzer/BUILD.gn
new file mode 100644
index 0000000000000000000000000000000000000000..2ed507fcdcd2ada95eba85175f1f0d8d7763338d
--- /dev/null
+++ b/services/audioprocessor/test/fuzztest/encoderonoutputavailable_fuzzer/BUILD.gn
@@ -0,0 +1,68 @@
+# Copyright (c) 2023 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/test.gni")
+import("../../../../../distributedaudio.gni")
+
+##############################fuzztest##########################################
+ohos_fuzztest("EncoderOnOutputAvailableFuzzTest") {
+  module_out_path = "distributed_audio/encoderonoutputavailable"
+  fuzz_config_file =
+      "${audio_processor_path}/test/fuzztest/encoderonoutputavailable_fuzzer"
+
+  cflags = [
+    "-g",
+    "-O0",
+    "-Wno-unused-variable",
+    "-fno-omit-frame-pointer",
+  ]
+  sources = [ "encoderonoutputavailable_fuzzer.cpp" ]
+
+  include_dirs = [
+    "${fwk_utils_path}/include/log",
+    "${fwk_utils_path}/include",
+    "${fwk_common_path}/log/include",
+    "${fwk_common_path}/utils/include",
+  ]
+
+  include_dirs += [
+    "include",
+    "${common_path}/include",
+    "${audio_processor_path}/encoder/include",
+  ]
+
+  deps = [
+    "${audio_transport_path}/encodetransport:distributed_audio_encode_transport",
+    "${services_path}/common:distributed_audio_utils",
+  ]
+
+  external_deps = [
+    "c_utils:utils",
+    "player_framework:media_client",
+  ]
+
+  defines = [
+    "HI_LOG_ENABLE",
+    "DH_LOG_TAG=\"EncoderOnOutputAvailableFuzzTest\"",
+    "LOG_DOMAIN=0xD004100",
+  ]
+}
+
+###############################################################################
+group("fuzztest") {
+  testonly = true
+  deps = [ ":EncoderOnOutputAvailableFuzzTest" ]
+}
+###############################################################################
diff --git a/services/audioprocessor/test/fuzztest/encoderonoutputavailable_fuzzer/corpus/init b/services/audioprocessor/test/fuzztest/encoderonoutputavailable_fuzzer/corpus/init
new file mode 100644
index 0000000000000000000000000000000000000000..2b595da0c26af63ffb2d5f4132c086b2e5986fce
--- /dev/null
+++ b/services/audioprocessor/test/fuzztest/encoderonoutputavailable_fuzzer/corpus/init
@@ -0,0 +1,16 @@
+/*
+ * Copyright (c) 2023 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
\ No newline at end of file
diff --git a/services/audioprocessor/test/fuzztest/encoderonoutputavailable_fuzzer/encoderonoutputavailable_fuzzer.cpp b/services/audioprocessor/test/fuzztest/encoderonoutputavailable_fuzzer/encoderonoutputavailable_fuzzer.cpp
new file mode 100644
index 0000000000000000000000000000000000000000..7e730ae6bf30651448aa4f777ff030127de03576
--- /dev/null
+++ b/services/audioprocessor/test/fuzztest/encoderonoutputavailable_fuzzer/encoderonoutputavailable_fuzzer.cpp
@@ -0,0 +1,53 @@
+/*
+ * Copyright (c) 2023 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 "encoderonoutputavailable_fuzzer.h"
+
+#include <cstddef>
+#include <cstdint>
+
+#include "audio_encoder.h"
+#include "if_system_ability_manager.h"
+#include "iservice_registry.h"
+
+namespace OHOS {
+namespace DistributedHardware {
+void EncoderOnOutputAvailabelFuzzTest(const uint8_t* data, size_t size)
+{
+    if (data == nullptr) {
+        return;
+    }
+
+    uint32_t index = *(reinterpret_cast<const uint32_t*>(data));
+    int64_t presentTimeUs = *(reinterpret_cast<const int64_t*>(data));
+    int32_t infoSize = *(reinterpret_cast<const int32_t*>(data));
+    int32_t offset = *(reinterpret_cast<const int32_t*>(data));
+    int32_t bufferFlag = *(reinterpret_cast<const int32_t*>(data));
+    Media::AVCodecBufferInfo info = {presentTimeUs, infoSize, offset};
+    Media::AVCodecBufferFlag flag = static_cast<Media::AVCodecBufferFlag>(bufferFlag);
+    std::shared_ptr<AudioEncoder> encoder = std::make_shared<AudioEncoder>();
+    encoder->OnOutputBufferAvailable(index, info, flag);
+}
+}
+}
+
+/* Fuzzer entry point */
+extern "C" int LLVMFuzzerTestOneInput(const uint8_t* data, size_t size)
+{
+    /* Run your code on data */
+    OHOS::DistributedHardware::EncoderOnOutputAvailabelFuzzTest(data, size);
+    return 0;
+}
+
diff --git a/services/audioprocessor/test/fuzztest/encoderonoutputavailable_fuzzer/encoderonoutputavailable_fuzzer.h b/services/audioprocessor/test/fuzztest/encoderonoutputavailable_fuzzer/encoderonoutputavailable_fuzzer.h
new file mode 100644
index 0000000000000000000000000000000000000000..4634e5621d608d61777b8e3d092f157068d26c99
--- /dev/null
+++ b/services/audioprocessor/test/fuzztest/encoderonoutputavailable_fuzzer/encoderonoutputavailable_fuzzer.h
@@ -0,0 +1,21 @@
+/*
+ * Copyright (c) 2023 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 ENCODERONOUTPUTAVAILABLE_FUZZER_H
+#define ENCODERONOUTPUTAVAILABLE_FUZZER_H
+
+#define FUZZ_PROJECT_NAME "encoderonoutputavailable_fuzzer"
+
+#endif
\ No newline at end of file
diff --git a/services/audioprocessor/test/fuzztest/encoderonoutputavailable_fuzzer/project.xml b/services/audioprocessor/test/fuzztest/encoderonoutputavailable_fuzzer/project.xml
new file mode 100644
index 0000000000000000000000000000000000000000..4fdbc407f205680885fa42663163b5c987f123a6
--- /dev/null
+++ b/services/audioprocessor/test/fuzztest/encoderonoutputavailable_fuzzer/project.xml
@@ -0,0 +1,25 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!-- Copyright (c) 2023 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>
diff --git a/services/audioprocessor/test/fuzztest/encoderonoutputchanged_fuzzer/BUILD.gn b/services/audioprocessor/test/fuzztest/encoderonoutputchanged_fuzzer/BUILD.gn
new file mode 100644
index 0000000000000000000000000000000000000000..b80cacb83001ae93adc409320db5bf1fdd2b33ee
--- /dev/null
+++ b/services/audioprocessor/test/fuzztest/encoderonoutputchanged_fuzzer/BUILD.gn
@@ -0,0 +1,68 @@
+# Copyright (c) 2023 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/test.gni")
+import("../../../../../distributedaudio.gni")
+
+##############################fuzztest##########################################
+ohos_fuzztest("EncoderOnOutputChangedFuzzTest") {
+  module_out_path = "distributed_audio/encoderonoutputchanged"
+  fuzz_config_file =
+      "${audio_processor_path}/test/fuzztest/encoderonoutputchanged_fuzzer"
+
+  cflags = [
+    "-g",
+    "-O0",
+    "-Wno-unused-variable",
+    "-fno-omit-frame-pointer",
+  ]
+  sources = [ "encoderonoutputchanged_fuzzer.cpp" ]
+
+  include_dirs = [
+    "${fwk_utils_path}/include/log",
+    "${fwk_utils_path}/include",
+    "${fwk_common_path}/log/include",
+    "${fwk_common_path}/utils/include",
+  ]
+
+  include_dirs += [
+    "include",
+    "${common_path}/include",
+    "${audio_processor_path}/encoder/include",
+  ]
+
+  deps = [
+    "${audio_transport_path}/encodetransport:distributed_audio_encode_transport",
+    "${services_path}/common:distributed_audio_utils",
+  ]
+
+  external_deps = [
+    "c_utils:utils",
+    "player_framework:media_client",
+  ]
+
+  defines = [
+    "HI_LOG_ENABLE",
+    "DH_LOG_TAG=\"EncoderOnOutputChangedFuzzTest\"",
+    "LOG_DOMAIN=0xD004100",
+  ]
+}
+
+###############################################################################
+group("fuzztest") {
+  testonly = true
+  deps = [ ":EncoderOnOutputChangedFuzzTest" ]
+}
+###############################################################################
diff --git a/services/audioprocessor/test/fuzztest/encoderonoutputchanged_fuzzer/corpus/init b/services/audioprocessor/test/fuzztest/encoderonoutputchanged_fuzzer/corpus/init
new file mode 100644
index 0000000000000000000000000000000000000000..2b595da0c26af63ffb2d5f4132c086b2e5986fce
--- /dev/null
+++ b/services/audioprocessor/test/fuzztest/encoderonoutputchanged_fuzzer/corpus/init
@@ -0,0 +1,16 @@
+/*
+ * Copyright (c) 2023 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
\ No newline at end of file
diff --git a/services/audioprocessor/test/fuzztest/encoderonoutputchanged_fuzzer/encoderonoutputchanged_fuzzer.cpp b/services/audioprocessor/test/fuzztest/encoderonoutputchanged_fuzzer/encoderonoutputchanged_fuzzer.cpp
new file mode 100644
index 0000000000000000000000000000000000000000..8c5b65e545a368a1951e848cb085ffdff1f5fea5
--- /dev/null
+++ b/services/audioprocessor/test/fuzztest/encoderonoutputchanged_fuzzer/encoderonoutputchanged_fuzzer.cpp
@@ -0,0 +1,47 @@
+/*
+ * Copyright (c) 2023 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 "encoderonoutputchanged_fuzzer.h"
+
+#include <cstddef>
+#include <cstdint>
+
+#include "audio_encoder.h"
+#include "if_system_ability_manager.h"
+#include "iservice_registry.h"
+
+namespace OHOS {
+namespace DistributedHardware {
+void EncoderOnOutputChangedFuzzTest(const uint8_t* data, size_t size)
+{
+    if (data == nullptr) {
+        return;
+    }
+
+    Media::Format format;
+    std::shared_ptr<AudioEncoder> encoder = std::make_shared<AudioEncoder>();
+    encoder->OnOutputFormatChanged(format);
+}
+}
+}
+
+/* Fuzzer entry point */
+extern "C" int LLVMFuzzerTestOneInput(const uint8_t* data, size_t size)
+{
+    /* Run your code on data */
+    OHOS::DistributedHardware::EncoderOnOutputChangedFuzzTest(data, size);
+    return 0;
+}
+
diff --git a/services/audioprocessor/test/fuzztest/encoderonoutputchanged_fuzzer/encoderonoutputchanged_fuzzer.h b/services/audioprocessor/test/fuzztest/encoderonoutputchanged_fuzzer/encoderonoutputchanged_fuzzer.h
new file mode 100644
index 0000000000000000000000000000000000000000..103dd1229869bb1d3ea999e4d5f267be0d5d0e75
--- /dev/null
+++ b/services/audioprocessor/test/fuzztest/encoderonoutputchanged_fuzzer/encoderonoutputchanged_fuzzer.h
@@ -0,0 +1,21 @@
+/*
+ * Copyright (c) 2023 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 ENCODERONOUTPUTCHANGED_FUZZER_H
+#define ENCODERONOUTPUTCHANGED_FUZZER_H
+
+#define FUZZ_PROJECT_NAME "encoderonoutputchanged_fuzzer"
+
+#endif
\ No newline at end of file
diff --git a/services/audioprocessor/test/fuzztest/encoderonoutputchanged_fuzzer/project.xml b/services/audioprocessor/test/fuzztest/encoderonoutputchanged_fuzzer/project.xml
new file mode 100644
index 0000000000000000000000000000000000000000..4fdbc407f205680885fa42663163b5c987f123a6
--- /dev/null
+++ b/services/audioprocessor/test/fuzztest/encoderonoutputchanged_fuzzer/project.xml
@@ -0,0 +1,25 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!-- Copyright (c) 2023 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>
diff --git a/services/audiotransport/audiochannel/audiodatachannel/src/audio_data_channel.cpp b/services/audiotransport/audiochannel/audiodatachannel/src/audio_data_channel.cpp
index d68284641061a30ad2fb3efae731a695abcff8a4..71c3b114e25d2852a9719aff5f987f62b5de2f2c 100644
--- a/services/audiotransport/audiochannel/audiodatachannel/src/audio_data_channel.cpp
+++ b/services/audiotransport/audiochannel/audiodatachannel/src/audio_data_channel.cpp
@@ -169,6 +169,10 @@ void AudioDataChannel::OnStreamReceived(int32_t sessionId, const StreamData *dat
         return;
     }
 
+    if (data == nullptr) {
+        DHLOGE("Received stream data is nullptr.");
+        return;
+    }
     DHLOGI("On audio stream received, sessionId: %d dataSize: %zu.", sessionId, data->bufLen);
     auto audioData = std::make_shared<AudioData>(data->bufLen);
     if (memcpy_s(audioData->Data(), audioData->Capacity(), reinterpret_cast<uint8_t *>(data->buf), data->bufLen)
diff --git a/services/softbusadapter/test/fuzztest/softbusonbytesreceived_fuzzer/BUILD.gn b/services/softbusadapter/test/fuzztest/softbusonbytesreceived_fuzzer/BUILD.gn
new file mode 100644
index 0000000000000000000000000000000000000000..b2690de12705522bfb2ca9d00b2240f0d6b95847
--- /dev/null
+++ b/services/softbusadapter/test/fuzztest/softbusonbytesreceived_fuzzer/BUILD.gn
@@ -0,0 +1,71 @@
+# Copyright (c) 2023 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/test.gni")
+import("../../../../../distributedaudio.gni")
+
+##############################fuzztest##########################################
+ohos_fuzztest("SoftbusOnBytesReceivedFuzzTest") {
+  module_out_path = "distributed_audio/softbusonbytesreceived"
+  fuzz_config_file =
+      "${softbusadapter_path}/test/fuzztest/softbusonbytesreceived_fuzzer"
+
+  cflags = [
+    "-g",
+    "-O0",
+    "-Wno-unused-variable",
+    "-fno-omit-frame-pointer",
+  ]
+  sources = [ "softbusonbytesreceived_fuzzer.cpp" ]
+
+  include_dirs = [
+    "${audio_transport_path}/audiochannel/interface",
+    "${fwk_utils_path}/include/log",
+    "${fwk_utils_path}/include",
+    "${fwk_common_path}/log/include",
+    "${fwk_common_path}/utils/include",
+    "${softbusadapter_path}/include",
+    "//third_party/json/include",
+  ]
+
+  include_dirs += [
+    "include",
+    "${common_path}/include",
+    "${audio_transport_path}/audiochannel/audiodatachannel/include",
+  ]
+
+  deps = [
+    "${audio_transport_path}/audiochannel/audiodatachannel:distributed_audio_data_channel",
+    "${services_path}/common:distributed_audio_utils",
+  ]
+
+  external_deps = [
+    "c_utils:utils",
+    "ipc:ipc_core",
+  ]
+
+  defines = [
+    "HI_LOG_ENABLE",
+    "DH_LOG_TAG=\"SoftbusOnBytesReceivedFuzzTest\"",
+    "LOG_DOMAIN=0xD004100",
+  ]
+}
+
+###############################################################################
+group("fuzztest") {
+  testonly = true
+  deps = [ ":SoftbusOnBytesReceivedFuzzTest" ]
+}
+###############################################################################
diff --git a/services/softbusadapter/test/fuzztest/softbusonbytesreceived_fuzzer/corpus/init b/services/softbusadapter/test/fuzztest/softbusonbytesreceived_fuzzer/corpus/init
new file mode 100644
index 0000000000000000000000000000000000000000..2b595da0c26af63ffb2d5f4132c086b2e5986fce
--- /dev/null
+++ b/services/softbusadapter/test/fuzztest/softbusonbytesreceived_fuzzer/corpus/init
@@ -0,0 +1,16 @@
+/*
+ * Copyright (c) 2023 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
\ No newline at end of file
diff --git a/services/softbusadapter/test/fuzztest/softbusonbytesreceived_fuzzer/project.xml b/services/softbusadapter/test/fuzztest/softbusonbytesreceived_fuzzer/project.xml
new file mode 100644
index 0000000000000000000000000000000000000000..4fdbc407f205680885fa42663163b5c987f123a6
--- /dev/null
+++ b/services/softbusadapter/test/fuzztest/softbusonbytesreceived_fuzzer/project.xml
@@ -0,0 +1,25 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!-- Copyright (c) 2023 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>
diff --git a/services/softbusadapter/test/fuzztest/softbusonbytesreceived_fuzzer/softbusonbytesreceived_fuzzer.cpp b/services/softbusadapter/test/fuzztest/softbusonbytesreceived_fuzzer/softbusonbytesreceived_fuzzer.cpp
new file mode 100644
index 0000000000000000000000000000000000000000..1023f6e80303a40521b5bcfb2d660f48ec0dabce
--- /dev/null
+++ b/services/softbusadapter/test/fuzztest/softbusonbytesreceived_fuzzer/softbusonbytesreceived_fuzzer.cpp
@@ -0,0 +1,49 @@
+/*
+ * Copyright (c) 2023 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 "softbusonbytesreceived_fuzzer.h"
+
+#include <cstddef>
+#include <cstdint>
+
+#include "audio_data_channel.h"
+#include "if_system_ability_manager.h"
+#include "iservice_registry.h"
+
+namespace OHOS {
+namespace DistributedHardware {
+void SoftbusOnBytesReceivedFuzzTest(const uint8_t* data, size_t size)
+{
+    if ((data == nullptr) || (size < (sizeof(int32_t)))) {
+        return;
+    }
+    std::string peerDevId(reinterpret_cast<const char*>(data), size);
+    int32_t sessionId = *(reinterpret_cast<const int32_t*>(data));
+    uint32_t len = *(reinterpret_cast<const uint32_t*>(data));
+    void *bytes = nullptr;
+    std::shared_ptr<AudioDataChannel> dataChannel = std::make_shared<AudioDataChannel>(peerDevId);
+    dataChannel->OnBytesReceived(sessionId, bytes, len);
+}
+}
+}
+
+/* Fuzzer entry point */
+extern "C" int LLVMFuzzerTestOneInput(const uint8_t* data, size_t size)
+{
+    /* Run your code on data */
+    OHOS::DistributedHardware::SoftbusOnBytesReceivedFuzzTest(data, size);
+    return 0;
+}
+
diff --git a/services/softbusadapter/test/fuzztest/softbusonbytesreceived_fuzzer/softbusonbytesreceived_fuzzer.h b/services/softbusadapter/test/fuzztest/softbusonbytesreceived_fuzzer/softbusonbytesreceived_fuzzer.h
new file mode 100644
index 0000000000000000000000000000000000000000..245aaab342df157b4e1deb9aaa2f1e26bfaf5d92
--- /dev/null
+++ b/services/softbusadapter/test/fuzztest/softbusonbytesreceived_fuzzer/softbusonbytesreceived_fuzzer.h
@@ -0,0 +1,21 @@
+/*
+ * Copyright (c) 2023 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 SOFTBUSONBYTESRECEIVED_FUZZER_H
+#define SOFTBUSONBYTESRECEIVED_FUZZER_H
+
+#define FUZZ_PROJECT_NAME "softbusonbytesreceived_fuzzer"
+
+#endif
\ No newline at end of file
diff --git a/services/softbusadapter/test/fuzztest/softbusonsessionclosed_fuzzer/BUILD.gn b/services/softbusadapter/test/fuzztest/softbusonsessionclosed_fuzzer/BUILD.gn
new file mode 100644
index 0000000000000000000000000000000000000000..c8ae11449ffa8370b43b0bb65349baeaf5c369df
--- /dev/null
+++ b/services/softbusadapter/test/fuzztest/softbusonsessionclosed_fuzzer/BUILD.gn
@@ -0,0 +1,71 @@
+# Copyright (c) 2023 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/test.gni")
+import("../../../../../distributedaudio.gni")
+
+##############################fuzztest##########################################
+ohos_fuzztest("SoftbusOnSessionClosedFuzzTest") {
+  module_out_path = "distributed_audio/softbusonsessionclosed"
+  fuzz_config_file =
+      "${softbusadapter_path}/test/fuzztest/softbusonsessionclosed_fuzzer"
+
+  cflags = [
+    "-g",
+    "-O0",
+    "-Wno-unused-variable",
+    "-fno-omit-frame-pointer",
+  ]
+  sources = [ "softbusonsessionclosed_fuzzer.cpp" ]
+
+  include_dirs = [
+    "${audio_transport_path}/audiochannel/interface",
+    "${fwk_utils_path}/include/log",
+    "${fwk_utils_path}/include",
+    "${fwk_common_path}/log/include",
+    "${fwk_common_path}/utils/include",
+    "${softbusadapter_path}/include",
+    "//third_party/json/include",
+  ]
+
+  include_dirs += [
+    "include",
+    "${common_path}/include",
+    "${audio_transport_path}/audiochannel/audiodatachannel/include",
+  ]
+
+  deps = [
+    "${audio_transport_path}/audiochannel/audiodatachannel:distributed_audio_data_channel",
+    "${services_path}/common:distributed_audio_utils",
+  ]
+
+  external_deps = [
+    "c_utils:utils",
+    "ipc:ipc_core",
+  ]
+
+  defines = [
+    "HI_LOG_ENABLE",
+    "DH_LOG_TAG=\"SoftbusOnSessionClosedFuzzTest\"",
+    "LOG_DOMAIN=0xD004100",
+  ]
+}
+
+###############################################################################
+group("fuzztest") {
+  testonly = true
+  deps = [ ":SoftbusOnSessionClosedFuzzTest" ]
+}
+###############################################################################
diff --git a/services/softbusadapter/test/fuzztest/softbusonsessionclosed_fuzzer/corpus/init b/services/softbusadapter/test/fuzztest/softbusonsessionclosed_fuzzer/corpus/init
new file mode 100644
index 0000000000000000000000000000000000000000..2b595da0c26af63ffb2d5f4132c086b2e5986fce
--- /dev/null
+++ b/services/softbusadapter/test/fuzztest/softbusonsessionclosed_fuzzer/corpus/init
@@ -0,0 +1,16 @@
+/*
+ * Copyright (c) 2023 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
\ No newline at end of file
diff --git a/services/softbusadapter/test/fuzztest/softbusonsessionclosed_fuzzer/project.xml b/services/softbusadapter/test/fuzztest/softbusonsessionclosed_fuzzer/project.xml
new file mode 100644
index 0000000000000000000000000000000000000000..4fdbc407f205680885fa42663163b5c987f123a6
--- /dev/null
+++ b/services/softbusadapter/test/fuzztest/softbusonsessionclosed_fuzzer/project.xml
@@ -0,0 +1,25 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!-- Copyright (c) 2023 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>
diff --git a/services/softbusadapter/test/fuzztest/softbusonsessionclosed_fuzzer/softbusonsessionclosed_fuzzer.cpp b/services/softbusadapter/test/fuzztest/softbusonsessionclosed_fuzzer/softbusonsessionclosed_fuzzer.cpp
new file mode 100644
index 0000000000000000000000000000000000000000..4bf40259ae2459b42c49ea6931d2c2e7373b67b0
--- /dev/null
+++ b/services/softbusadapter/test/fuzztest/softbusonsessionclosed_fuzzer/softbusonsessionclosed_fuzzer.cpp
@@ -0,0 +1,47 @@
+/*
+ * Copyright (c) 2023 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 "softbusonsessionclosed_fuzzer.h"
+
+#include <cstddef>
+#include <cstdint>
+
+#include "audio_data_channel.h"
+#include "if_system_ability_manager.h"
+#include "iservice_registry.h"
+
+namespace OHOS {
+namespace DistributedHardware {
+void SoftbusOnSessionClosedFuzzTest(const uint8_t* data, size_t size)
+{
+    if ((data == nullptr) || (size < (sizeof(int32_t)))) {
+        return;
+    }
+    std::string peerDevId(reinterpret_cast<const char*>(data), size);
+    int32_t sessionId = *(reinterpret_cast<const int32_t*>(data));
+    std::shared_ptr<AudioDataChannel> dataChannel = std::make_shared<AudioDataChannel>(peerDevId);
+    dataChannel->OnSessionClosed(sessionId);
+}
+}
+}
+
+/* Fuzzer entry point */
+extern "C" int LLVMFuzzerTestOneInput(const uint8_t* data, size_t size)
+{
+    /* Run your code on data */
+    OHOS::DistributedHardware::SoftbusOnSessionClosedFuzzTest(data, size);
+    return 0;
+}
+
diff --git a/services/softbusadapter/test/fuzztest/softbusonsessionclosed_fuzzer/softbusonsessionclosed_fuzzer.h b/services/softbusadapter/test/fuzztest/softbusonsessionclosed_fuzzer/softbusonsessionclosed_fuzzer.h
new file mode 100644
index 0000000000000000000000000000000000000000..8641aaaa2db177f4f941c12d679a9252c29ddea9
--- /dev/null
+++ b/services/softbusadapter/test/fuzztest/softbusonsessionclosed_fuzzer/softbusonsessionclosed_fuzzer.h
@@ -0,0 +1,21 @@
+/*
+ * Copyright (c) 2023 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 SOFTBUSONSESSIONCLOSED_FUZZER_H
+#define SOFTBUSONSESSIONCLOSED_FUZZER_H
+
+#define FUZZ_PROJECT_NAME "softbusonsessionclosed_fuzzer"
+
+#endif
\ No newline at end of file
diff --git a/services/softbusadapter/test/fuzztest/softbusonsessionopened_fuzzer/BUILD.gn b/services/softbusadapter/test/fuzztest/softbusonsessionopened_fuzzer/BUILD.gn
new file mode 100644
index 0000000000000000000000000000000000000000..d8e08c9cb7c22858a8c8b0ca9f9a8618c05d9f35
--- /dev/null
+++ b/services/softbusadapter/test/fuzztest/softbusonsessionopened_fuzzer/BUILD.gn
@@ -0,0 +1,71 @@
+# Copyright (c) 2023 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/test.gni")
+import("../../../../../distributedaudio.gni")
+
+##############################fuzztest##########################################
+ohos_fuzztest("SoftbusOnSessionOpenedFuzzTest") {
+  module_out_path = "distributed_audio/softbusonsessionopened"
+  fuzz_config_file =
+      "${softbusadapter_path}/test/fuzztest/softbusonsessionopened_fuzzer"
+
+  cflags = [
+    "-g",
+    "-O0",
+    "-Wno-unused-variable",
+    "-fno-omit-frame-pointer",
+  ]
+  sources = [ "softbusonsessionopened_fuzzer.cpp" ]
+
+  include_dirs = [
+    "${audio_transport_path}/audiochannel/interface",
+    "${fwk_utils_path}/include/log",
+    "${fwk_utils_path}/include",
+    "${fwk_common_path}/log/include",
+    "${fwk_common_path}/utils/include",
+    "${softbusadapter_path}/include",
+    "//third_party/json/include",
+  ]
+
+  include_dirs += [
+    "include",
+    "${common_path}/include",
+    "${audio_transport_path}/audiochannel/audiodatachannel/include",
+  ]
+
+  deps = [
+    "${audio_transport_path}/audiochannel/audiodatachannel:distributed_audio_data_channel",
+    "${services_path}/common:distributed_audio_utils",
+  ]
+
+  external_deps = [
+    "c_utils:utils",
+    "ipc:ipc_core",
+  ]
+
+  defines = [
+    "HI_LOG_ENABLE",
+    "DH_LOG_TAG=\"SoftbusOnSessionOpenedFuzzTest\"",
+    "LOG_DOMAIN=0xD004100",
+  ]
+}
+
+###############################################################################
+group("fuzztest") {
+  testonly = true
+  deps = [ ":SoftbusOnSessionOpenedFuzzTest" ]
+}
+###############################################################################
diff --git a/services/softbusadapter/test/fuzztest/softbusonsessionopened_fuzzer/corpus/init b/services/softbusadapter/test/fuzztest/softbusonsessionopened_fuzzer/corpus/init
new file mode 100644
index 0000000000000000000000000000000000000000..2b595da0c26af63ffb2d5f4132c086b2e5986fce
--- /dev/null
+++ b/services/softbusadapter/test/fuzztest/softbusonsessionopened_fuzzer/corpus/init
@@ -0,0 +1,16 @@
+/*
+ * Copyright (c) 2023 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
\ No newline at end of file
diff --git a/services/softbusadapter/test/fuzztest/softbusonsessionopened_fuzzer/project.xml b/services/softbusadapter/test/fuzztest/softbusonsessionopened_fuzzer/project.xml
new file mode 100644
index 0000000000000000000000000000000000000000..4fdbc407f205680885fa42663163b5c987f123a6
--- /dev/null
+++ b/services/softbusadapter/test/fuzztest/softbusonsessionopened_fuzzer/project.xml
@@ -0,0 +1,25 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!-- Copyright (c) 2023 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>
diff --git a/services/softbusadapter/test/fuzztest/softbusonsessionopened_fuzzer/softbusonsessionopened_fuzzer.cpp b/services/softbusadapter/test/fuzztest/softbusonsessionopened_fuzzer/softbusonsessionopened_fuzzer.cpp
new file mode 100644
index 0000000000000000000000000000000000000000..6c540e5b63830f3254eca8f30b814ac1bc914f85
--- /dev/null
+++ b/services/softbusadapter/test/fuzztest/softbusonsessionopened_fuzzer/softbusonsessionopened_fuzzer.cpp
@@ -0,0 +1,48 @@
+/*
+ * Copyright (c) 2023 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 "softbusonsessionopened_fuzzer.h"
+
+#include <cstddef>
+#include <cstdint>
+
+#include "audio_data_channel.h"
+#include "if_system_ability_manager.h"
+#include "iservice_registry.h"
+
+namespace OHOS {
+namespace DistributedHardware {
+void SoftbusOnSessionOpenedFuzzTest(const uint8_t* data, size_t size)
+{
+    if ((data == nullptr) || (size < (sizeof(int32_t)))) {
+        return;
+    }
+    std::string peerDevId(reinterpret_cast<const char*>(data), size);
+    int32_t sessionId = *(reinterpret_cast<const int32_t*>(data));
+    int32_t result = *(reinterpret_cast<const int32_t*>(data));
+    std::shared_ptr<AudioDataChannel> dataChannel = std::make_shared<AudioDataChannel>(peerDevId);
+    dataChannel->OnSessionOpened(sessionId, result);
+}
+}
+}
+
+/* Fuzzer entry point */
+extern "C" int LLVMFuzzerTestOneInput(const uint8_t* data, size_t size)
+{
+    /* Run your code on data */
+    OHOS::DistributedHardware::SoftbusOnSessionOpenedFuzzTest(data, size);
+    return 0;
+}
+
diff --git a/services/softbusadapter/test/fuzztest/softbusonsessionopened_fuzzer/softbusonsessionopened_fuzzer.h b/services/softbusadapter/test/fuzztest/softbusonsessionopened_fuzzer/softbusonsessionopened_fuzzer.h
new file mode 100644
index 0000000000000000000000000000000000000000..8dbb5a98a3755b96e7bca50afc896e9b225c701b
--- /dev/null
+++ b/services/softbusadapter/test/fuzztest/softbusonsessionopened_fuzzer/softbusonsessionopened_fuzzer.h
@@ -0,0 +1,21 @@
+/*
+ * Copyright (c) 2023 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 SOFTBUSONSESSIONOPENED_FUZZER_H
+#define SOFTBUSONSESSIONOPENED_FUZZER_H
+
+#define FUZZ_PROJECT_NAME "softbusonsessionopened_fuzzer"
+
+#endif
\ No newline at end of file
diff --git a/services/softbusadapter/test/fuzztest/softbusonstreamreceived_fuzzer/BUILD.gn b/services/softbusadapter/test/fuzztest/softbusonstreamreceived_fuzzer/BUILD.gn
new file mode 100644
index 0000000000000000000000000000000000000000..f8a875b642458c46fbb0b5a4e5c123a277cd86eb
--- /dev/null
+++ b/services/softbusadapter/test/fuzztest/softbusonstreamreceived_fuzzer/BUILD.gn
@@ -0,0 +1,71 @@
+# Copyright (c) 2023 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/test.gni")
+import("../../../../../distributedaudio.gni")
+
+##############################fuzztest##########################################
+ohos_fuzztest("SoftbusOnStreamReceivedFuzzTest") {
+  module_out_path = "distributed_audio/softbusonstreamreceived"
+  fuzz_config_file =
+      "${softbusadapter_path}/test/fuzztest/softbusonstreamreceived_fuzzer"
+
+  cflags = [
+    "-g",
+    "-O0",
+    "-Wno-unused-variable",
+    "-fno-omit-frame-pointer",
+  ]
+  sources = [ "softbusonstreamreceived_fuzzer.cpp" ]
+
+  include_dirs = [
+    "${audio_transport_path}/audiochannel/interface",
+    "${fwk_utils_path}/include/log",
+    "${fwk_utils_path}/include",
+    "${fwk_common_path}/log/include",
+    "${fwk_common_path}/utils/include",
+    "${softbusadapter_path}/include",
+    "//third_party/json/include",
+  ]
+
+  include_dirs += [
+    "include",
+    "${common_path}/include",
+    "${audio_transport_path}/audiochannel/audiodatachannel/include",
+  ]
+
+  deps = [
+    "${audio_transport_path}/audiochannel/audiodatachannel:distributed_audio_data_channel",
+    "${services_path}/common:distributed_audio_utils",
+  ]
+
+  external_deps = [
+    "c_utils:utils",
+    "ipc:ipc_core",
+  ]
+
+  defines = [
+    "HI_LOG_ENABLE",
+    "DH_LOG_TAG=\"SoftbusOnStreamReceivedFuzzTest\"",
+    "LOG_DOMAIN=0xD004100",
+  ]
+}
+
+###############################################################################
+group("fuzztest") {
+  testonly = true
+  deps = [ ":SoftbusOnStreamReceivedFuzzTest" ]
+}
+###############################################################################
diff --git a/services/softbusadapter/test/fuzztest/softbusonstreamreceived_fuzzer/corpus/init b/services/softbusadapter/test/fuzztest/softbusonstreamreceived_fuzzer/corpus/init
new file mode 100644
index 0000000000000000000000000000000000000000..2b595da0c26af63ffb2d5f4132c086b2e5986fce
--- /dev/null
+++ b/services/softbusadapter/test/fuzztest/softbusonstreamreceived_fuzzer/corpus/init
@@ -0,0 +1,16 @@
+/*
+ * Copyright (c) 2023 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
\ No newline at end of file
diff --git a/services/softbusadapter/test/fuzztest/softbusonstreamreceived_fuzzer/project.xml b/services/softbusadapter/test/fuzztest/softbusonstreamreceived_fuzzer/project.xml
new file mode 100644
index 0000000000000000000000000000000000000000..4fdbc407f205680885fa42663163b5c987f123a6
--- /dev/null
+++ b/services/softbusadapter/test/fuzztest/softbusonstreamreceived_fuzzer/project.xml
@@ -0,0 +1,25 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!-- Copyright (c) 2023 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>
diff --git a/services/softbusadapter/test/fuzztest/softbusonstreamreceived_fuzzer/softbusonstreamreceived_fuzzer.cpp b/services/softbusadapter/test/fuzztest/softbusonstreamreceived_fuzzer/softbusonstreamreceived_fuzzer.cpp
new file mode 100644
index 0000000000000000000000000000000000000000..3dcfab24b536a7ce5f678f8f17b72b48557b13d1
--- /dev/null
+++ b/services/softbusadapter/test/fuzztest/softbusonstreamreceived_fuzzer/softbusonstreamreceived_fuzzer.cpp
@@ -0,0 +1,50 @@
+/*
+ * Copyright (c) 2023 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 "softbusonstreamreceived_fuzzer.h"
+
+#include <cstddef>
+#include <cstdint>
+
+#include "audio_data_channel.h"
+#include "if_system_ability_manager.h"
+#include "iservice_registry.h"
+
+namespace OHOS {
+namespace DistributedHardware {
+void SoftbusOnStreamReceivedFuzzTest(const uint8_t* data, size_t size)
+{
+    if ((data == nullptr) || (size < (sizeof(int32_t)))) {
+        return;
+    }
+    std::string peerDevId(reinterpret_cast<const char*>(data), size);
+    int32_t sessionId = *(reinterpret_cast<const int32_t*>(data));
+    StreamData *stream = nullptr;
+    StreamData *ext = nullptr;
+    StreamFrameInfo *info = nullptr;
+    std::shared_ptr<AudioDataChannel> dataChannel = std::make_shared<AudioDataChannel>(peerDevId);
+    dataChannel->OnStreamReceived(sessionId, stream, ext, info);
+}
+}
+}
+
+/* Fuzzer entry point */
+extern "C" int LLVMFuzzerTestOneInput(const uint8_t* data, size_t size)
+{
+    /* Run your code on data */
+    OHOS::DistributedHardware::SoftbusOnStreamReceivedFuzzTest(data, size);
+    return 0;
+}
+
diff --git a/services/softbusadapter/test/fuzztest/softbusonstreamreceived_fuzzer/softbusonstreamreceived_fuzzer.h b/services/softbusadapter/test/fuzztest/softbusonstreamreceived_fuzzer/softbusonstreamreceived_fuzzer.h
new file mode 100644
index 0000000000000000000000000000000000000000..245aaab342df157b4e1deb9aaa2f1e26bfaf5d92
--- /dev/null
+++ b/services/softbusadapter/test/fuzztest/softbusonstreamreceived_fuzzer/softbusonstreamreceived_fuzzer.h
@@ -0,0 +1,21 @@
+/*
+ * Copyright (c) 2023 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 SOFTBUSONBYTESRECEIVED_FUZZER_H
+#define SOFTBUSONBYTESRECEIVED_FUZZER_H
+
+#define FUZZ_PROJECT_NAME "softbusonbytesreceived_fuzzer"
+
+#endif
\ No newline at end of file