2054771 - Signal 11 in ct__tds_get_bytes and ct_pol followed by server crash - SAP ASE

ASE crashed with "infected with signal 11 (SIGSEGV)" and the following stacktrace reported in the errorlog:

ct__tds_get_bytes
ct__tds_readall
com__async_runstack
com__async_poll_state
ct_poll

SAP Adaptive Server Enterprise (ASE) 15.0.3 or below releases

crash, CIS, ct_poll, ct__tds_get_bytes, scheduler, cis idle connection timeout, CR#557398, CR557398, 557398, CR#614227, CR614227, 614227 CR#557398 CIS: scheduler SIGSEGV at ct_poll
ASE may crash unrecoverably in a multi-connection environment at ct_poll on the scheduler thread when the configuration 'cis idle connection timeout' is set to a non-zero value. The bug can also manifest itself with a Signal 11 in ct__tds_get_bytes module, as seen in the "Symptom" section (above) and logged as the following duplicate CR: CR#614227 infected with signal 11 (SIGSEGV) in ct__tds_get_bytes Scheduler gets SIGSEGV in ct__tds_get_bytes after user process also gets SIGSEGV in ct__tds_get_bytes. , KBA , BC-SYB-ASE , Sybase ASE Database Platform (non Business Suite) , Problem