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[root@localhost ~]# lsof -p $(pidof snmpd)>snmp1.out [root@localhost ~]# systemctl reload snmpd [root@localhost ~]# lsof -p $(pidof snmpd)>snmp2.out [root@localhost ~]# diff snmp1.out snmp2.out 37c37 < snmpd 185338 root 3w REG 253,4 319 426 /var/log/snmpd.log --- > snmpd 185338 root 3w REG 253,4 503 426 /var/log/snmpd.log 67a68,77 > snmpd 185338 root 35u IPv4 7012248 0t0 UDP *:46271 > snmpd 185338 root 36u IPv4 7012249 0t0 UDP *:49144 > snmpd 185338 root 37u IPv4 7012253 0t0 UDP *:54760 > snmpd 185338 root 38u IPv4 7012254 0t0 UDP *:41654 > snmpd 185338 root 39u IPv4 7012255 0t0 UDP *:44622 > snmpd 185338 root 40u IPv4 7012256 0t0 UDP *:46904 > snmpd 185338 root 41u IPv4 7012257 0t0 UDP *:42636 > snmpd 185338 root 42u IPv4 7012258 0t0 UDP *:46861 > snmpd 185338 root 43u IPv4 7012259 0t0 UDP *:45202 > snmpd 185338 root 44u IPv4 7012260 0t0 UDP *:51814 |
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This looks like the issue is known and fixed in upstream: https://sourceforge.net/p/net-snmp/patches/1244/. Con you confirm this is the same and provide an ETA for rpm availability? |
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I compiled 5.10 from source on RHEL7 and the leak did not occur with the same configuration/system. With NET-SNMP version 5.10 the issue appears fixed. Since the issue of fd leak happened the same on both RedHat 7 and Rocky 9, I don’t plan to setup and build a binary to test Rocky9, but I expect the same result. I just would like to know if this is acknowledged and when there will be a fix. The leak results in inoperable monitoring once the fd limit is reached, at least every 3 months. [root@localhost ~]# ps -ef|grep snmpd root 8207 1 0 16:11 ? 00:00:00 net-snmp/snmpd -Lo /var/log/snmpd.log -f [root@localhost ~]# lsof -p 8207 |wc -l 22 [root@localhost ~]# kill -HUP 8207 [root@localhost ~]# lsof -p 8207 |wc -l 22 [root@localhost ~]# kill -HUP 8207 [root@localhost ~]# lsof -p 8207 |wc -l 22 [root@localhost ~]# cat /etc/snmp/snmpd.conf |grep trap trapcommunity public trap2sink 127.0.0.1:162 public trapsess -v 3 -u user1 -l authPriv 127.0.0.1 trapsess -v 3 -u user2 -l authPriv 127.0.0.1 trapsess -v 3 -u user1 -l authPriv 11.0.0.71 trapsess -v 3 -u user2 -l authPriv 10.0.0.71 trapsess -v 3 -u user1 -l authPriv 10.1.0.71 trapsess -v 3 -u user2 -l authPriv 10.1.0.71 trapsess -v 3 -u user1 -l authPriv 10.2.0.71 trapsess -v 3 -u user2 -l authPriv 10.2.0.71 [root@localhost ~]# lsof -p 8207 |wc -l 22 [root@localhost ~]# kill -HUP 8207 [root@localhost ~]# lsof -p 8207 |wc -l 22 [root@localhost ~]# tail /var/log/snmpd.log NET-SNMP version 5.10 Reconfiguring daemon NET-SNMP version 5.10 restarted Reconfiguring daemon NET-SNMP version 5.10 restarted |
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Hi, Thanks for reporting this. As Rocky is a rebuild of Red Hat Enterprise Linux, the best course of action is to attempt to reproduce it on CentOS Stream or RHEL (if you have not yet), and then file a ticket on https://issues.redhat.com for it. I'm happy to provide guidance on that if you'd like, but otherwise Rocky is intended to be in lock-step with RHEL. Best, Neil |
- Anonymous
