diff --git a/frameworks/native/running_lock_info.cpp b/frameworks/native/running_lock_info.cpp
index b55dbd04b582089485b3466aa4a53ea7289cdf2d..c6127c2b8cc42472a90e0aa5cb2ad8f7b9ca655d 100644
--- a/frameworks/native/running_lock_info.cpp
+++ b/frameworks/native/running_lock_info.cpp
@@ -88,6 +88,10 @@ VectorPair* VectorPair::Unmarshalling(Parcel& parcel)
 
     int32_t size {0};
     RETURN_IF_READ_PARCEL_FAILED_WITH_RET(parcel, Int32, size, nullptr);
+    if (size <= 0) {
+        POWER_HILOGW(COMP_FWK, "size is negative, size=%{public}d", size);
+        return nullptr;
+    }
     if (size > MAX_PROXY_RUNNINGLOCK_NUM) {
         POWER_HILOGW(COMP_FWK, "size exceed limit, size=%{public}d", size);
         return nullptr;
diff --git a/test/unittest/src/interface_test/running_lock_test.cpp b/test/unittest/src/interface_test/running_lock_test.cpp
index fec4b0edd31a7f9f92dd9852397e017abef0f306..e00a37b2e650fabb429ffc5474b27ed4df9640c1 100644
--- a/test/unittest/src/interface_test/running_lock_test.cpp
+++ b/test/unittest/src/interface_test/running_lock_test.cpp
@@ -596,4 +596,28 @@ HWTEST_F(RunningLockTest, RunningLockTest021, TestSize.Level1)
     EXPECT_EQ(result, ERR_INVALID_DATA);
     POWER_HILOGI(LABEL_TEST, "RunningLockTest021 function end!");
 }
+
+HWTEST_F(RunningLockTest, RunningLockTest022, TestSize.Level1)
+{
+    POWER_HILOGI(LABEL_TEST, "RunningLockTest022 function start!");
+    EXPECT_NE(stub_, nullptr);
+
+    MessageParcel data;
+    MessageParcel reply;
+    MessageOption option(MessageOption::TF_SYNC);
+    data.WriteInterfaceToken(PowerMgrProxy::GetDescriptor());
+    data.WriteInt32(1);
+
+    VectorPair vectorPairInfos;
+    std::vector<std::pair<pid_t, pid_t>> processInfos;
+    vectorPairInfos.SetProcessInfos(processInfos);
+
+    EXPECT_TRUE(data.WriteParcelable(&vectorPairInfos));
+
+    int32_t result = stub_->OnRemoteRequest(
+        static_cast<uint32_t>(IPowerMgrIpcCode::COMMAND_PROXY_RUNNING_LOCKS_IPC), data, reply, option);
+
+    EXPECT_EQ(result, ERR_INVALID_DATA);
+    POWER_HILOGI(LABEL_TEST, "RunningLockTest022 function end!");
+}
 } // namespace
\ No newline at end of file