diff --git a/tests/sdk/discovery/fuzztest/publishservice_fuzzer/BUILD.gn b/tests/sdk/discovery/fuzztest/publishservice_fuzzer/BUILD.gn
index 86521c4bb3..c2682bf2bd 100644
--- a/tests/sdk/discovery/fuzztest/publishservice_fuzzer/BUILD.gn
+++ b/tests/sdk/discovery/fuzztest/publishservice_fuzzer/BUILD.gn
@@ -22,6 +22,7 @@ ohos_fuzztest("PublishServiceFuzzTest") {
   module_out_path = "dsoftbus/discovery"
   fuzz_config_file = "//foundation/communication/dsoftbus/tests/sdk/discovery/fuzztest/publishservice_fuzzer"
   include_dirs = [
+    "//foundation/communication/dsoftbus/adapter/common/include",
     "//foundation/communication/dsoftbus/core/common/inner_communication",
     "//foundation/communication/dsoftbus/core/common/include",
     "//foundation/communication/dsoftbus/interfaces/kits/discovery",
@@ -39,7 +40,10 @@ ohos_fuzztest("PublishServiceFuzzTest") {
   ]
   sources = [ "publishservice_fuzzer.cpp" ]
 
-  deps = [ "//foundation/communication/dsoftbus/sdk:softbus_client" ]
+  deps = [
+    "//foundation/communication/dsoftbus/adapter:softbus_adapter",
+    "//foundation/communication/dsoftbus/sdk:softbus_client",
+  ]
 
   external_deps = [ "c_utils:utils" ]
 }
diff --git a/tests/sdk/discovery/fuzztest/publishservice_fuzzer/publishservice_fuzzer.cpp b/tests/sdk/discovery/fuzztest/publishservice_fuzzer/publishservice_fuzzer.cpp
index 42550d4b63..29aa44047e 100644
--- a/tests/sdk/discovery/fuzztest/publishservice_fuzzer/publishservice_fuzzer.cpp
+++ b/tests/sdk/discovery/fuzztest/publishservice_fuzzer/publishservice_fuzzer.cpp
@@ -14,9 +14,13 @@
  */
 
 #include "publishservice_fuzzer.h"
+
 #include <cstddef>
 #include <cstdint>
+#include <securec.h>
+
 #include "discovery_service.h"
+#include "softbus_adapter_mem.h"
 
 namespace OHOS {
 static int g_publishId = 0;
@@ -58,7 +62,17 @@ void PublishServiceTest(const uint8_t* data, size_t size)
         return;
     }
 
-    PublishService((const char*)data, &testInfo, &g_publishCb);
+    // add trailing '\0'
+    uint8_t *pkgName = (uint8_t *)SoftBusCalloc((size + 1) * sizeof(uint8_t));
+    if (pkgName == nullptr) {
+        return;
+    }
+    if (memcpy_s(pkgName, size + 1, data, size) != EOK) {
+        SoftBusFree(pkgName);
+        return;
+    }
+    PublishService((const char*)pkgName, &testInfo, &g_publishCb);
+    SoftBusFree(pkgName);
 }
 } // namespace OHOS
 
diff --git a/tests/sdk/discovery/fuzztest/startdiscovery_fuzzer/BUILD.gn b/tests/sdk/discovery/fuzztest/startdiscovery_fuzzer/BUILD.gn
index c21fdb145f..a4b24b2574 100644
--- a/tests/sdk/discovery/fuzztest/startdiscovery_fuzzer/BUILD.gn
+++ b/tests/sdk/discovery/fuzztest/startdiscovery_fuzzer/BUILD.gn
@@ -22,6 +22,7 @@ ohos_fuzztest("StartDiscoveryFuzzTest") {
   module_out_path = "dsoftbus/discovery"
   fuzz_config_file = "//foundation/communication/dsoftbus/tests/sdk/discovery/fuzztest/startdiscovery_fuzzer"
   include_dirs = [
+    "//foundation/communication/dsoftbus/adapter/common/include",
     "//foundation/communication/dsoftbus/core/common/inner_communication",
     "//foundation/communication/dsoftbus/core/common/include",
     "//foundation/communication/dsoftbus/interfaces/kits/discovery",
@@ -39,7 +40,10 @@ ohos_fuzztest("StartDiscoveryFuzzTest") {
   ]
   sources = [ "startdiscovery_fuzzer.cpp" ]
 
-  deps = [ "//foundation/communication/dsoftbus/sdk:softbus_client" ]
+  deps = [
+    "//foundation/communication/dsoftbus/adapter:softbus_adapter",
+    "//foundation/communication/dsoftbus/sdk:softbus_client",
+  ]
 
   external_deps = [ "c_utils:utils" ]
 }
diff --git a/tests/sdk/discovery/fuzztest/startdiscovery_fuzzer/startdiscovery_fuzzer.cpp b/tests/sdk/discovery/fuzztest/startdiscovery_fuzzer/startdiscovery_fuzzer.cpp
index 7aad29a9d7..0c833528d3 100644
--- a/tests/sdk/discovery/fuzztest/startdiscovery_fuzzer/startdiscovery_fuzzer.cpp
+++ b/tests/sdk/discovery/fuzztest/startdiscovery_fuzzer/startdiscovery_fuzzer.cpp
@@ -14,9 +14,13 @@
  */
 
 #include "startdiscovery_fuzzer.h"
+
 #include <cstddef>
 #include <cstdint>
+#include <securec.h>
+
 #include "discovery_service.h"
+#include "softbus_adapter_mem.h"
 
 namespace OHOS {
 static int g_subscribeId = 0;
@@ -64,7 +68,17 @@ void StartDiscoveryTest(const uint8_t* data, size_t size)
         return;
     }
 
-    StartDiscovery((const char*)data, &testInfo, &g_subscribeCb);
+    // add trailing '\0'
+    uint8_t *pkgName = (uint8_t *)SoftBusCalloc((size + 1) * sizeof(uint8_t));
+    if (pkgName == nullptr) {
+        return;
+    }
+    if (memcpy_s(pkgName, size + 1, data, size) != EOK) {
+        SoftBusFree(pkgName);
+        return;
+    }
+    StartDiscovery((const char*)pkgName, &testInfo, &g_subscribeCb);
+    SoftBusFree(pkgName);
 }
 } // namespace OHOS
 
diff --git a/tests/sdk/discovery/fuzztest/stopdiscovery_fuzzer/BUILD.gn b/tests/sdk/discovery/fuzztest/stopdiscovery_fuzzer/BUILD.gn
index 4f3069769e..5f25644d47 100644
--- a/tests/sdk/discovery/fuzztest/stopdiscovery_fuzzer/BUILD.gn
+++ b/tests/sdk/discovery/fuzztest/stopdiscovery_fuzzer/BUILD.gn
@@ -22,6 +22,7 @@ ohos_fuzztest("StopDiscoveryFuzzTest") {
   module_out_path = "dsoftbus/discovery"
   fuzz_config_file = "//foundation/communication/dsoftbus/tests/sdk/discovery/fuzztest/stopdiscovery_fuzzer"
   include_dirs = [
+    "//foundation/communication/dsoftbus/adapter/common/include",
     "//foundation/communication/dsoftbus/core/common/inner_communication",
     "//foundation/communication/dsoftbus/core/common/include",
     "//foundation/communication/dsoftbus/interfaces/kits/discovery",
@@ -39,7 +40,10 @@ ohos_fuzztest("StopDiscoveryFuzzTest") {
   ]
   sources = [ "stopdiscovery_fuzzer.cpp" ]
 
-  deps = [ "//foundation/communication/dsoftbus/sdk:softbus_client" ]
+  deps = [
+    "//foundation/communication/dsoftbus/adapter:softbus_adapter",
+    "//foundation/communication/dsoftbus/sdk:softbus_client",
+  ]
 
   external_deps = [ "c_utils:utils" ]
 }
diff --git a/tests/sdk/discovery/fuzztest/stopdiscovery_fuzzer/stopdiscovery_fuzzer.cpp b/tests/sdk/discovery/fuzztest/stopdiscovery_fuzzer/stopdiscovery_fuzzer.cpp
index 8c302ae552..e40d15fb87 100644
--- a/tests/sdk/discovery/fuzztest/stopdiscovery_fuzzer/stopdiscovery_fuzzer.cpp
+++ b/tests/sdk/discovery/fuzztest/stopdiscovery_fuzzer/stopdiscovery_fuzzer.cpp
@@ -14,9 +14,13 @@
  */
 
 #include "stopdiscovery_fuzzer.h"
+
 #include <cstddef>
 #include <cstdint>
+#include <securec.h>
+
 #include "discovery_service.h"
+#include "softbus_adapter_mem.h"
 
 namespace OHOS {
 static int g_subscribeId = 0;
@@ -49,7 +53,17 @@ void StopDiscoveryTest(const uint8_t* data, size_t size)
         return;
     }
 
-    StopDiscovery((const char*)data, testInfo.subscribeId);
+    // add trailing '\0'
+    uint8_t *pkgName = (uint8_t *)SoftBusCalloc((size + 1) * sizeof(uint8_t));
+    if (pkgName == nullptr) {
+        return;
+    }
+    if (memcpy_s(pkgName, size + 1, data, size) != EOK) {
+        SoftBusFree(pkgName);
+        return;
+    }
+    StopDiscovery((const char*)pkgName, testInfo.subscribeId);
+    SoftBusFree(pkgName);
 }
 } // namespace OHOS
 
diff --git a/tests/sdk/discovery/fuzztest/unpublishservice_fuzzer/BUILD.gn b/tests/sdk/discovery/fuzztest/unpublishservice_fuzzer/BUILD.gn
index 850380f819..d0cddea384 100644
--- a/tests/sdk/discovery/fuzztest/unpublishservice_fuzzer/BUILD.gn
+++ b/tests/sdk/discovery/fuzztest/unpublishservice_fuzzer/BUILD.gn
@@ -22,6 +22,7 @@ ohos_fuzztest("UnPublishServiceFuzzTest") {
   module_out_path = "dsoftbus/discovery"
   fuzz_config_file = "//foundation/communication/dsoftbus/tests/sdk/discovery/fuzztest/unpublishservice_fuzzer"
   include_dirs = [
+    "//foundation/communication/dsoftbus/adapter/common/include",
     "//foundation/communication/dsoftbus/core/common/inner_communication",
     "//foundation/communication/dsoftbus/core/common/include",
     "//foundation/communication/dsoftbus/interfaces/kits/discovery",
@@ -39,7 +40,10 @@ ohos_fuzztest("UnPublishServiceFuzzTest") {
   ]
   sources = [ "unpublishservice_fuzzer.cpp" ]
 
-  deps = [ "//foundation/communication/dsoftbus/sdk:softbus_client" ]
+  deps = [
+    "//foundation/communication/dsoftbus/adapter:softbus_adapter",
+    "//foundation/communication/dsoftbus/sdk:softbus_client",
+  ]
 
   external_deps = [ "c_utils:utils" ]
 }
diff --git a/tests/sdk/discovery/fuzztest/unpublishservice_fuzzer/unpublishservice_fuzzer.cpp b/tests/sdk/discovery/fuzztest/unpublishservice_fuzzer/unpublishservice_fuzzer.cpp
index 691ca3069b..02680fdbda 100644
--- a/tests/sdk/discovery/fuzztest/unpublishservice_fuzzer/unpublishservice_fuzzer.cpp
+++ b/tests/sdk/discovery/fuzztest/unpublishservice_fuzzer/unpublishservice_fuzzer.cpp
@@ -14,9 +14,13 @@
  */
 
 #include "unpublishservice_fuzzer.h"
+
 #include <cstddef>
 #include <cstdint>
+#include <securec.h>
+
 #include "discovery_service.h"
+#include "softbus_adapter_mem.h"
 
 namespace OHOS {
 static int g_publishId = 0;
@@ -47,7 +51,17 @@ void UnPublishServiceTest(const uint8_t* data, size_t size)
         return;
     }
 
-    UnPublishService((const char*)data, testInfo.publishId);
+    // add trailing '\0'
+    uint8_t *pkgName = (uint8_t *)SoftBusCalloc((size + 1) * sizeof(uint8_t));
+    if (pkgName == nullptr) {
+        return;
+    }
+    if (memcpy_s(pkgName, size + 1, data, size) != EOK) {
+        SoftBusFree(pkgName);
+        return;
+    }
+    UnPublishService((const char*)pkgName, testInfo.publishId);
+    SoftBusFree(pkgName);
 }
 } // namespace OHOS