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# 【E21现场】DIR-IGW 10.219.11.5 QUIC解析层从解密后的client hello负载中解析user agent参数时，未对参数长度负值进行判断导致函数死循环触发sapp的watchdog timeout
| ID | Creation Date | Assignee | Status |
|----|----------------|----------|--------|
| OMPUB-527 | 2022-06-16T14:54:38.000+0800 | 刘学利 | 已关闭 |
---
DIR-IGW 10.219.11.5 在2022-06-14 16:53:20和2022-06-14 19:14:38  程序异常重启了两次
LGH-PE 10.230.11.3 在2022-06-16 17:22:34 程序异常重启
相关信息见附件，core文件上传失败已上传微信群。**liuxueli** commented on *2022-06-16T15:23:20.794+0800*:
* 根据现场的runtime.log日志判断，重启原因是：systemd检测到sapp死锁导致sapp watchdog timeout，查看现场的core发现QUIC解析层导致watchdog timeout。
**
{code:java}
Tue Jun 14 16:53:10 2022, FATAL, sapp, ##### detect deadlock in PID:11052, thread index:26, TID(LWP):11610, send systemd notify WATCHDOG=trigger #####
Tue Jun 14 16:53:11 2022, FATAL, sapp, ##### detect deadlock in PID:11052, thread index:26, TID(LWP):11610, send systemd notify WATCHDOG=trigger #####
Tue Jun 14 16:53:12 2022, FATAL, sapp, ##### detect deadlock in PID:11052, thread index:26, TID(LWP):11610, send systemd notify WATCHDOG=trigger #####
Tue Jun 14 16:53:13 2022, FATAL, sapp, ##### detect deadlock in PID:11052, thread index:26, TID(LWP):11610, send systemd notify WATCHDOG=trigger #####
Tue Jun 14 16:53:14 2022, FATAL, sapp, ##### detect deadlock in PID:11052, thread index:26, TID(LWP):11610, send systemd notify WATCHDOG=trigger #####
Tue Jun 14 16:53:15 2022, FATAL, sapp, ##### detect deadlock in PID:11052, thread index:26, TID(LWP):11610, send systemd notify WATCHDOG=trigger #####
Tue Jun 14 16:53:16 2022, FATAL, sapp, ##### detect deadlock in PID:11052, thread index:26, TID(LWP):11610, send systemd notify WATCHDOG=trigger #####
Tue Jun 14 16:53:17 2022, FATAL, sapp, ##### detect deadlock in PID:11052, thread index:26, TID(LWP):11610, send systemd notify WATCHDOG=trigger #####
Tue Jun 14 16:53:18 2022, FATAL, sapp, ##### detect deadlock in PID:11052, thread index:26, TID(LWP):11610, send systemd notify WATCHDOG=trigger #####
Tue Jun 14 16:53:19 2022, FATAL, sapp, ##### detect deadlock in PID:11052, thread index:26, TID(LWP):11610, send systemd notify WATCHDOG=trigger #####
Tue Jun 14 16:53:20 2022, FATAL, sapp, ##### detect deadlock in PID:11052, thread index:26, TID(LWP):11610, send systemd notify WATCHDOG=trigger #####
Tue Jun 14 19:14:26 2022, FATAL, sapp, ##### detect deadlock in PID:25261, thread index:3, TID(LWP):25526, send systemd notify WATCHDOG=trigger #####
Tue Jun 14 19:14:27 2022, FATAL, sapp, ##### detect deadlock in PID:25261, thread index:3, TID(LWP):25526, send systemd notify WATCHDOG=trigger #####
Tue Jun 14 19:14:28 2022, FATAL, sapp, ##### detect deadlock in PID:25261, thread index:3, TID(LWP):25526, send systemd notify WATCHDOG=trigger #####
Tue Jun 14 19:14:29 2022, FATAL, sapp, ##### detect deadlock in PID:25261, thread index:3, TID(LWP):25526, send systemd notify WATCHDOG=trigger #####
Tue Jun 14 19:14:30 2022, FATAL, sapp, ##### detect deadlock in PID:25261, thread index:3, TID(LWP):25526, send systemd notify WATCHDOG=trigger #####
Tue Jun 14 19:14:31 2022, FATAL, sapp, ##### detect deadlock in PID:25261, thread index:3, TID(LWP):25526, send systemd notify WATCHDOG=trigger #####
Tue Jun 14 19:14:32 2022, FATAL, sapp, ##### detect deadlock in PID:25261, thread index:3, TID(LWP):25526, send systemd notify WATCHDOG=trigger #####
Tue Jun 14 19:14:33 2022, FATAL, sapp, ##### detect deadlock in PID:25261, thread index:3, TID(LWP):25526, send systemd notify WATCHDOG=trigger #####
Tue Jun 14 19:14:34 2022, FATAL, sapp, ##### detect deadlock in PID:25261, thread index:3, TID(LWP):25526, send systemd notify WATCHDOG=trigger #####
Tue Jun 14 19:14:35 2022, FATAL, sapp, ##### detect deadlock in PID:25261, thread index:3, TID(LWP):25526, send systemd notify WATCHDOG=trigger #####
Tue Jun 14 19:14:36 2022, FATAL, sapp, ##### detect deadlock in PID:25261, thread index:3, TID(LWP):25526, send systemd notify WATCHDOG=trigger #####
Tue Jun 14 19:14:37 2022, FATAL, sapp, ##### detect deadlock in PID:25261, thread index:3, TID(LWP):25526, send systemd notify WATCHDOG=trigger #####
Tue Jun 14 19:14:38 2022, FATAL, sapp, ##### detect deadlock in PID:25261, thread index:3, TID(LWP):25526, send systemd notify WATCHDOG=trigger #####
{code}
---
**gitlab** commented on *2022-06-16T15:39:19.579+0800*:
[刘学利|https://git.mesalab.cn/liuxueli] mentioned this issue in [a commit|https://git.mesalab.cn/MESA_Platform/quic/-/commit/ffb443ed7e09dcb7c4f9e115223aa24ce94c452b] of [MESA Platform / quic|https://git.mesalab.cn/MESA_Platform/quic] on branch [bugfix-OMPUB-527|https://git.mesalab.cn/MESA_Platform/quic/-/tree/bugfix-OMPUB-527]:{quote}OMPUB-527: 从解密后的client hello负载中解析user...{quote}
---
**gitlab** commented on *2022-06-16T15:40:38.944+0800*:
[刘学利|https://git.mesalab.cn/liuxueli] mentioned this issue in [a merge request|https://git.mesalab.cn/MESA_Platform/quic/-/merge_requests/5] of [MESA Platform / quic|https://git.mesalab.cn/MESA_Platform/quic] on branch [bugfix-OMPUB-527|https://git.mesalab.cn/MESA_Platform/quic/-/tree/bugfix-OMPUB-527]:{quote}OMPUB-527: 从解密后的client hello负载中解析user...{quote}
---
**gitlab** commented on *2022-06-17T09:56:08.217+0800*:
[刘学利|https://git.mesalab.cn/liuxueli] mentioned this issue in [a commit|https://git.mesalab.cn/tsg/tsg-os-buildimage/-/commit/57ec6f65135e526da262e981f95830f2c7546529] of [TSG / tsg-os-buildimage|https://git.mesalab.cn/tsg/tsg-os-buildimage] on branch [update-22.06-firewall-v4|https://git.mesalab.cn/tsg/tsg-os-buildimage/-/tree/update-22.06-firewall-v4]:{quote}更新sapp、quic、app_sketch_local,修复：{quote}
---
**gitlab** commented on *2022-06-17T09:56:20.313+0800*:
[刘学利|https://git.mesalab.cn/liuxueli] mentioned this issue in [a merge request|https://git.mesalab.cn/tsg/tsg-os-buildimage/-/merge_requests/808] of [TSG / tsg-os-buildimage|https://git.mesalab.cn/tsg/tsg-os-buildimage] on branch [update-22.06-firewall-v4|https://git.mesalab.cn/tsg/tsg-os-buildimage/-/tree/update-22.06-firewall-v4]:{quote}更新sapp、quic、app_sketch_local,修复：{quote}
---
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