From 1fa47d46edad42e7373b1da6355cb6a341178ddd Mon Sep 17 00:00:00 2001
From: bailu1992 <bailu27@huawei.com>
Date: Mon, 30 Jun 2025 22:05:24 +0800
Subject: [PATCH] Alarm modification

Signed-off-by: bailu1992 <bailu27@huawei.com>
---
 frameworks/native/src/sensor_file_descriptor_listener.cpp | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/frameworks/native/src/sensor_file_descriptor_listener.cpp b/frameworks/native/src/sensor_file_descriptor_listener.cpp
index ec1a564f..635f5440 100644
--- a/frameworks/native/src/sensor_file_descriptor_listener.cpp
+++ b/frameworks/native/src/sensor_file_descriptor_listener.cpp
@@ -64,6 +64,10 @@ void SensorFileDescriptorListener::ExcuteCallback(int32_t length)
 {
     int32_t eventSize = static_cast<int32_t>(sizeof(SensorData));
     int32_t num = length / eventSize;
+    if (num <= 0 || num > RECEIVE_DATA_SIZE) {
+        SEN_HILOGE("num:%{public}d is invalid", num);
+        return;
+    }
     for (int i = 0; i < num; i++) {
         SensorEvent event = {
             .sensorTypeId = receiveDataBuff_[i].sensorTypeId,
-- 
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