# 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 | --- 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 !anydesk00000.png|width=536,height=335! !anydesk00001.png|width=542,height=339! 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 ## Attachments **58464/anydesk00000.png** --- **58463/anydesk00001.png** ---