Public bug reported:
Hi
I have a 2 nodes cluster with a number of resources working fine.
I am using Ubuntu 16.04 with Pacemaker: 1.1.14
The moment i create a ClusterMon resource with an extra_option "-E" to run a
script, it crashes and i can see the following in dmesg
[73880.444953] crm_mon[20739]: segfault at 0 ip 00007f948cc5c746 sp
00007ffed0cb0fb8 error 4 in libc-2.23.so[7f948cbd1000+1c0000]
I am using the following command to create the resource:
pcs resource create newRes ClusterMon user="root" extra_options="-E
/usr/local/bin/new.sh "
OR
pcs resource create newRes ocf:pacemaker:ClusterMon user="root"
extra_options="-E /usr/local/bin/new.sh "
and immediately i see following in /var/log/messages
2019-10-19T01:53:11.783763-04:00 master daemon notice crmd 17042 notice:
Operation newRes_monitor_0: not running (node=master.dhcp, call=85, rc=7,
cib-update=58, confirmed=true)
2019-10-19T01:53:12.097529-04:00 master daemon info systemd - Started Session
c75 of user root.
2019-10-19T01:53:12.105468-04:00 master auth info systemd-logind - New session
c75 of user root.
2019-10-19T01:53:12.150340-04:00 master daemon notice lrmd 17039 notice:
newRes_start_0:30376:stderr [ mesg: ttyname failed: Inappropriate ioctl for
device ]
2019-10-19T01:53:12.186340-04:00 master daemon notice crmd 17042 notice:
Operation newRes_start_0: ok (node=master.dhcp, call=86, rc=0, cib-update=59,
confirmed=true)
2019-10-19T01:53:12.195312-04:00 master kern info kernel - crm_mon[30398]:
segfault at 0 ip 00007f9cfbe41746 sp 00007ffd971060e8 error 4 in
libc-2.23.so[7f9cfbdb6000+1c0000]
2019-10-19T01:53:12.216644-04:00 master auth info systemd-logind - Removed
session c75.
2019-10-19T01:53:12.241439-04:00 master daemon notice lrmd 17039 notice:
newRes_monitor_10000:30406:stderr [
/usr/lib/ocf/resource.d/heartbeat/ClusterMon: 155: kill: No such process ]
2019-10-19T01:53:12.241980-04:00 master daemon notice lrmd 17039 notice:
newRes_monitor_10000:30406:stderr [ ]
2019-10-19T01:53:12.245273-04:00 master daemon notice crmd 17042 notice:
master.dhcp-newRes_monitor_10000:87 [
/usr/lib/ocf/resource.d/heartbeat/ClusterMon: 155: kill: No such process\n\n ]
Note:
- All other types of resources i.e. IPAddr, Drbd, systemd are working fine.
- Also, if the newRes is created wihtout -E, it works fine.
- Script has no complicated code. Event without the "echo" command i am seeing
same issue.
cat /usr/local/bin/new.sh
#!/bin/sh
echo "HELLO from Crm_mon script" >> /var/log/messages
exit
** Affects: corosync (Ubuntu)
Importance: Undecided
Status: New
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https://bugs.launchpad.net/bugs/1848834
Title:
ClusterMon resource core-dumps while created with extr_option -E
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