corosync bug fix and enhancement update

Updated corosync packages that fix several bugs and add various enhancements are
now available.

The corosync packages provide the Corosync Cluster Engine and C Application
Programming Interfaces (APIs) for Red Hat Enterprise Linux cluster software.

These updated selinux-policy packages include numerous bug fixes and
enhancements. Space precludes documenting all of these changes in this advisory.
Users are directed to the Red Hat Enterprise Linux 6.2 Technical Notes for
information on the most significant of these changes:

https://docs.redhat.com/docs/en-US/Red_Hat_Enterprise_Linux/6/html/6.2_Technical_Notes/corosync.html#RHBA-2011-1515

All corosync users are advised to upgrade to these updated packages, which fix
these bugs and add these enhancements.

Before applying this update, make sure all previously-released errata relevant
to your system have been applied.

This update is available via the Red Hat Network. Details on how to use the Red
Hat Network to apply this update are available at
https://access.redhat.com/kb/docs/DOC-11259

599327 - [RFE] - display diagnostic message in log and exit when local NIC fault or firewall enabled prevents totem from forming a cluster
677583 - *** buffer overflow detected ***: corosync-fplay terminated
682813 - corosync does not null terminate strings when strncpy
688260 - corosync-cpgtool does not specify both interfaces in a dual ring configuration
692620 - cpg messages fail after overloaded node fails
696883 - Corosync segfaults with Pacemaker and CMAN
696887 - segfault due to invalid 'conn' pointer after killing "corosync-cfgtool -r"
707860 - Crashing when going over open file limits.
707862 - Corosync - unaligned access would result in bus error on non x86
707867 - [RFE] corosync-objctl - add float and double support and create new object
707873 - corosync - Provide better checking of the message type
707875 - corosync - Remove checking of sub parameters in service.d files
707876 - add proper dependency on syslog to corosync init
709758 - corosync process at 100% - 500% CPU usage
712115 - corosync confdb connection can cause segfault
712126 - corosync coroipcc doesn't handle case when recvmsg can return 0
712188 - corosync-objctl -t run multiple times with heavy load deadlocks corosync
722469 - [RFE] Add support for redundant ring for standalone Corosync (not RHEL HA/Cluster stack)
722522 - corosync crashes with combo of lossy network and config changes
732698 - corosync sometimes crashes while doing cman_tool join; cman_tool leave in a loop

https://docs.redhat.com/docs/en-US/Red_Hat_Enterprise_Linux/6/html/6.2_Technical_Notes/corosync.html#RHBA-2011-1515