RHBA-2013:1634 - Bug Fix Advisory

Topic

Updated libqb packages that fix several bugs and add various enhancements are
now available for Red Hat Enterprise Linux 6.

Description

The libqb packages provide a library with the primary purpose of providing high
performance client server reusable features, such as high performance logging,
tracing, inter-process communication, and polling.

The libqb packages have been upgraded to upstream version 0.16.0, which provides
a number of bug fixes and enhancements over the previous version, including a
patch to fix a bug in the qb_log_from_external_source() function that caused the
Pacemaker's policy engine to terminate unexpectedly. (BZ#950403)

This update also fixes the following bug:

• Output of the Blackbox window manager did not contain logging information if

the string's length or precision was specified. This affected usability of the
Blackbox output for debugging purposes, specifically when used with the
Pacemaker cluster resource manager. The problem was caused by bugs in the
libqb's implementation of the strlcpy() and strlcat() functions and the code
responsible for the Blackbox log formatting. This update corrects these bugs so
the Blackbox output is now formatted as expected. (BZ#889299)

Users of libqb are advised to upgrade to these updated packages, which fix these
bugs and add these enhancements.

Solution

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/site/articles/11258

Affected Products

• Red Hat Enterprise Linux High Availability for x86_64 6 x86_64
• Red Hat Enterprise Linux High Availability for x86_64 6 i386
• Red Hat Enterprise Linux Resilient Storage for x86_64 6 x86_64
• Red Hat Enterprise Linux Resilient Storage for x86_64 6 i386
• Red Hat Enterprise Linux High Availability (for RHEL Server) from RHUI 6 x86_64
• Red Hat Enterprise Linux High Availability (for RHEL Server) from RHUI 6 i386
• Red Hat Enterprise Linux Resilient Storage (for RHEL Server) from RHUI 6 x86_64
• Red Hat Enterprise Linux Resilient Storage (for RHEL Server) from RHUI 6 i386

Fixes

• BZ - 889299 - missing data in blackbox debug output
• BZ - 950403 - Pengine assert in qb_log_from_external_source()

CVEs

(none)

References

(none)