https://userapps.support.sap.com/sap/support/knowledge/en/3035656
3035656 - Signal 11 in ssql_release() causes ASE server shutdown - SAP ASE 16.0 | SAP Knowledge...
ASE shuts down unexpectedly. The ASE errorlog contains an "Infected with signal 11" error in the module ssql_release() with a stack trace Current process...
https://userapps.support.sap.com/sap/support/knowledge/en/3260929
3260929 - Signal 11 on ssql__choose_victim SAP ASE | SAP Knowledge Base Article
ASE crashes with signal 11 on ssql__choose_victim. The stacktrace contains following functions: ssql__choose_victim ssql_save_SQL sqt_put_in_stmtcache...