Nginx防火墙 9.6.4 似乎会导致服务器卡死

单男

目前BT的版本已经是最新的9.5.0，并且把Nginx防火墙更新到9.6.4，但近期经常出现全部网站都打不开的情况，Bt后台也进不去

腾讯云后台看到“实例状态：运行中”，所以只能在腾讯云重启，然而等了5分钟都还没有重启成功，腾讯云只能自动强制重启了。
重启之后能连上服务器了，然后通过

# 查看系统日志
journalctl -b -1 -e

看到

Apr 29 10:00:58 VM-8-8-debian monitor[1284183]: 插入waf_blocked时发生错误： SQL logic error: near "FROM": syntax error (1)
Apr 29 10:00:58 VM-8-8-debian monitor[1284183]: 插入waf_blocked时发生错误： SQL logic error: near "FROM": syntax error (1)
Apr 29 10:00:59 VM-8-8-debian monitor[1284183]: 插入waf_blocked时发生错误： SQL logic error: near "FROM": syntax error (1)
Apr 29 10:00:59 VM-8-8-debian monitor[1284183]: 插入waf_blocked时发生错误： SQL logic error: near "FROM": syntax error (1)
Apr 29 10:01:00 VM-8-8-debian monitor[1284183]: 插入waf_blocked时发生错误： SQL logic error: near "FROM": syntax error (1)
Apr 29 10:01:00 VM-8-8-debian monitor[1284183]: 插入waf_blocked时发生错误： SQL logic error: near "FROM": syntax error (1)
Apr 29 10:01:01 VM-8-8-debian monitor[1284183]: 插入waf_blocked时发生错误： SQL logic error: near "FROM": syntax error (1)
Apr 29 10:01:01 VM-8-8-debian CRON[1636681]: pam_unix(cron:session): session opened for user root(uid=0) by (uid=0)
Apr 29 10:01:01 VM-8-8-debian CRON[1636682]: (root) CMD (flock -xn /tmp/stargate.lock -c '/usr/local/qcloud/stargate/admin/start.sh > /dev/null 2>&1 &')
Apr 29 10:01:01 VM-8-8-debian CRON[1636681]: pam_unix(cron:session): session closed for user root
Apr 29 10:01:01 VM-8-8-debian monitor[1284183]: 插入waf_blocked时发生错误： SQL logic error: near "FROM": syntax error (1)
Apr 29 10:01:01 VM-8-8-debian monitor[1284183]: 插入waf_blocked时发生错误： SQL logic error: near "FROM": syntax error (1)
Apr 29 10:01:01 VM-8-8-debian monitor[1284183]: 插入waf_blocked时发生错误： SQL logic error: near "FROM": syntax error (1)
Apr 29 10:01:02 VM-8-8-debian monitor[1284183]: 插入waf_blocked时发生错误： SQL logic error: near "FROM": syntax error (1)
Apr 29 10:01:02 VM-8-8-debian monitor[1284183]: 插入waf_blocked时发生错误： SQL logic error: near "FROM": syntax error (1)
Apr 29 10:01:03 VM-8-8-debian monitor[1284183]: 插入waf_blocked时发生错误： SQL logic error: near "FROM": syntax error (1)
Apr 29 10:01:03 VM-8-8-debian monitor[1284183]: 插入waf_blocked时发生错误： SQL logic error: near "FROM": syntax error (1)
Apr 29 10:01:03 VM-8-8-debian monitor[1284183]: 插入waf_blocked时发生错误： SQL logic error: near "FROM": syntax error (1)
Apr 29 10:01:04 VM-8-8-debian monitor[1284183]: 插入waf_blocked时发生错误： SQL logic error: near "FROM": syntax error (1)
Apr 29 10:01:04 VM-8-8-debian monitor[1284183]: 插入waf_blocked时发生错误： SQL logic error: near "FROM": syntax error (1)
Apr 29 10:01:05 VM-8-8-debian monitor[1284183]: 插入waf_blocked时发生错误： SQL logic error: near "FROM": syntax error (1)
Apr 29 10:01:05 VM-8-8-debian monitor[1284183]: 插入waf_blocked时发生错误： SQL logic error: near "FROM": syntax error (1)
Apr 29 10:01:05 VM-8-8-debian monitor[1284183]: 插入waf_blocked时发生错误： SQL logic error: near "FROM": syntax error (1)
Apr 29 10:01:06 VM-8-8-debian monitor[1284183]: 插入waf_blocked时发生错误： SQL logic error: near "FROM": syntax error (1)
Apr 29 10:01:06 VM-8-8-debian monitor[1284183]: 插入waf_blocked时发生错误： SQL logic error: near "FROM": syntax error (1)
Apr 29 10:01:07 VM-8-8-debian monitor[1284183]: 插入waf_blocked时发生错误： SQL logic error: near "FROM": syntax error (1)
Apr 29 10:01:07 VM-8-8-debian monitor[1284183]: 插入waf_blocked时发生错误： SQL logic error: near "FROM": syntax error (1)