Bug 1746198
| Summary: | ovn-controller crashes when DNS is configured and a (specific/malformed) DNS packet is received | ||
|---|---|---|---|
| Product: | Red Hat Enterprise Linux Fast Datapath | Reporter: | Flavio Leitner <fleitner> |
| Component: | openvswitch | Assignee: | Dumitru Ceara <dceara> |
| openvswitch sub component: | daemons and tools | QA Contact: | haidong li <haili> |
| Status: | CLOSED ERRATA | Docs Contact: | |
| Severity: | unspecified | ||
| Priority: | unspecified | CC: | atragler, ctrautma, dceara, fleitner, haili, jhsiao, kfida, qding, yinxu |
| Version: | FDP 19.F | ||
| Target Milestone: | --- | ||
| Target Release: | --- | ||
| Hardware: | Unspecified | ||
| OS: | Unspecified | ||
| Whiteboard: | |||
| Fixed In Version: | openvswitch-2.9.0-117.el7fdp | Doc Type: | If docs needed, set a value |
| Doc Text: | Story Points: | --- | |
| Clone Of: | 1744991 | Environment: | |
| Last Closed: | 2019-10-01 07:22:39 UTC | Type: | --- |
| Regression: | --- | Mount Type: | --- |
| Documentation: | --- | CRM: | |
| Verified Versions: | Category: | --- | |
| oVirt Team: | --- | RHEL 7.3 requirements from Atomic Host: | |
| Cloudforms Team: | --- | Target Upstream Version: | |
| Embargoed: | |||
| Bug Depends On: | 1744991 | ||
| Bug Blocks: | 1744994 | ||
Since the problem described in this bug report should be resolved in a recent advisory, it has been closed with a resolution of ERRATA. For information on the advisory, and where to find the updated files, follow the link below. If the solution does not work for you, open a new bug report. https://access.redhat.com/errata/RHBA-2019:2942 |
reproduced on the old version: [root@dell-per730-19 ~]# uname -a Linux dell-per730-19.rhts.eng.pek2.redhat.com 3.10.0-1062.el7.x86_64 #1 SMP Thu Jul 18 20:25:13 UTC 2019 x86_64 x86_64 x86_64 GNU/Linux [root@dell-per730-19 ~]# rpm -qa | grep openvswitch openvswitch-ovn-common-2.9.0-114.el7fdp.x86_64 kernel-kernel-networking-openvswitch-ovn-1.0-138.noarch openvswitch-2.9.0-114.el7fdp.x86_64 openvswitch-ovn-central-2.9.0-114.el7fdp.x86_64 openvswitch-selinux-extra-policy-1.0-13.el7fdp.noarch openvswitch-ovn-host-2.9.0-114.el7fdp.x86_64 [root@dell-per730-19 ~]# sendp(Ether(src="00:de:ad:01:00:01", dst="00:de:ad:ff:01:02")/IP(src="172.16.102.11", dst="172.16.102.254")/UDP(dport=53)/('a'*364) , iface="eth1") top - 06:03:16 up 4 days, 7:05, 4 users, load average: 0.68, 0.29, 0.21 Tasks: 469 total, 1 running, 468 sleeping, 0 stopped, 0 zombie %Cpu(s): 1.2 us, 2.0 sy, 0.0 ni, 96.8 id, 0.0 wa, 0.0 hi, 0.0 si, 0.0 st KiB Mem : 65708808 total, 16177572 free, 43718768 used, 5812468 buff/cache KiB Swap: 29241340 total, 29241340 free, 0 used. 21418008 avail Mem PID USER PR NI VIRT RES SHR S %CPU %MEM TIME+ COMMAND 22109 root 10 -10 49.2g 38.5g 1496 S 99.7 61.4 0:20.96 ovn-contro+ 4953 openvsw+ 10 -10 2316056 97892 13748 S 1.3 0.1 0:21.58 ovs-vswitc+ 22114 root 20 0 162296 2620 1580 R 0.7 0.0 0:00.14 top 601 root 20 0 0 0 0 S 0.3 0.0 0:16.47 kworker/26+ 1 root 20 0 202004 15140 4216 S 0.0 0.0 0:20.13 systemd 2 root 20 0 0 0 0 S 0.0 0.0 0:00.17 kthreadd 4 root 0 -20 0 0 0 S 0.0 0.0 0:00.00 kworker/0:+ 6 root 20 0 0 0 0 S 0.0 0.0 0:01.55 ksoftirqd/0 7 root rt 0 0 0 0 S 0.0 0.0 0:01.30 migration/0 8 root 20 0 0 0 0 S 0.0 0.0 0:00.00 rcu_bh 9 root 20 0 0 0 0 S 0.0 0.0 5:55.27 rcu_sched 10 root 0 -20 0 0 0 S 0.0 0.0 0:00.00 lru-add-dr+ 11 root rt 0 0 0 0 S 0.0 0.0 0:01.24 watchdog/0 12 root rt 0 0 0 0 S 0.0 0.0 0:01.13 watchdog/1 13 root rt 0 0 0 0 S 0.0 0.0 0:02.96 migration/1 14 root 20 0 0 0 0 S 0.0 0.0 0:21.64 ksoftirqd/1 16 root 0 -20 0 0 0 S 0.0 0.0 0:00.00 kworker/1:+ [root@dell-per730-19 ~]# =========================================================================================== verified on the latest version: [root@dell-per730-19 ~]# uname -a Linux dell-per730-19.rhts.eng.pek2.redhat.com 3.10.0-1062.el7.x86_64 #1 SMP Thu Jul 18 20:25:13 UTC 2019 x86_64 x86_64 x86_64 GNU/Linux [root@dell-per730-19 ~]# rpm -qa | grep openvswitch openvswitch-ovn-central-2.9.0-117.el7fdp.x86_64 openvswitch-selinux-extra-policy-1.0-13.el7fdp.noarch openvswitch-ovn-common-2.9.0-117.el7fdp.x86_64 openvswitch-ovn-host-2.9.0-117.el7fdp.x86_64 openvswitch-2.9.0-117.el7fdp.x86_64 [root@dell-per730-19 ~]# >>> sendp(Ether(src="00:de:ad:01:00:01", dst="00:de:ad:ff:01:02")/IP(src="172.16.102.11", dst="172.16.102.254")/UDP(dport=53)/('a'*364) , iface="eth1") . Sent 1 packets. >>> >>> >>> >>> sendp(Ether(src="00:de:ad:01:00:01", dst="00:de:ad:ff:01:02")/IP(src="172.16.102.11", dst="172.16.102.254")/UDP(dport=53)/('a'*364) , iface="eth1") . Sent 1 packets. >>> top - 05:28:13 up 4 days, 6:30, 4 users, load average: 0.00, 0.01, 0.05 Tasks: 470 total, 1 running, 469 sleeping, 0 stopped, 0 zombie %Cpu(s): 0.2 us, 0.3 sy, 0.0 ni, 99.5 id, 0.0 wa, 0.0 hi, 0.0 si, 0.0 st KiB Mem : 65708808 total, 56381264 free, 3508144 used, 5819400 buff/cache KiB Swap: 29241340 total, 29241340 free, 0 used. 61628648 avail Mem PID USER PR NI VIRT RES SHR S %CPU %MEM TIME+ COMMAND 3427 root 20 0 162296 2520 1524 R 11.8 0.0 0:00.03 top 1 root 20 0 202004 15140 4216 S 0.0 0.0 0:18.66 systemd 2 root 20 0 0 0 0 S 0.0 0.0 0:00.17 kthreadd 4 root 0 -20 0 0 0 S 0.0 0.0 0:00.00 kworker/0:+ 6 root 20 0 0 0 0 S 0.0 0.0 0:01.53 ksoftirqd/0 7 root rt 0 0 0 0 S 0.0 0.0 0:01.30 migration/0 8 root 20 0 0 0 0 S 0.0 0.0 0:00.00 rcu_bh 9 root 20 0 0 0 0 S 0.0 0.0 5:54.23 rcu_sched