sssd_be is crashing due to memory out of bounds.
Environment
- Red Hat Enterprise Linux (RHEL) 7
Issue
sssd_be
is crashing due to memory out of bounds.- Core was generated by `/usr/libexec/sssd/sssd_be --domain
--uid 0 --gid 0 --logger'. Program terminated with signal 6, Aborted.
Resolution
Install sssd-1.16.4-21.el7
(or newer) released via RHSA-2019:2177 as part of RHEL 7.7
Root Cause
There is a race-condition crash in dp_failover_active_server
that seems to occur when servers resolved from SRV lookup are collapsing.
Diagnostic Steps
Upstream ticket: https://pagure.io/SSSD/sssd/issue/3976
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