getpwuid_scls() on cssd (Oracle Clusterware) called getpwuid_r() for uid (which is an Oracle user).
getpwuid_r() called vintela function.
And then _nss_vas3_getXXent_get_tsd()-> call_dbg() met siganal 11 (Exception) and cssd (Oracle Clusterware) crashed.
defect 22912 which is fixed in 18.104.22.168+:
* linux-x86_64: This package has been switched to use a thread-safe NSS module.
It should not but could possibly introduce incompatabilities on older linux
kernels, please contact support if this is seen. This should help some heavy
usage segfaults that happen due to the normal semaphore protections being
ignored or overwhelmed.
Upgrade QAS client.
The version we recommend upgrading to QAS 4.0.3 maintenance version which can be downloaded by clicking the link in the Resolution section of the following solution: https://support.quest.com/Search/SolutionDetail.aspx?id=SOL82767