geedge-jira/md/OMPUB-1312.md

# M22现场：YGN-MYTEL TSGX-01 firewall发送日志时utable内存异常导致段错误

| ID | Creation Date | Assignee | Status |
|----|----------------|----------|--------|
| OMPUB-1312 | 2024-05-31T16:19:58.000+0800 | 杨威 | 已关闭 |


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时间：2024-05-31 

设备：YGN-MYTEL TSGX-01

现场：tcp会话超时结束时刻，firewall查询缓存的utable，查询src_mac时，因utable内item存储的信息异常，造成段错误

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推测：存储日志的utable内存被踩踏，导致访存时段错误

解决方案：utable为存储的item增加magic字段，操作时进行校验，抛出异常

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