2974390 - RAT-CI fails with Signal 11 in STSendMsgs() - SAP ASE 16.0 with HADR

• ASE Rep Agent Thread (RAT) in CI mode fails with an "infected with Signal 11" error in the module STSendMsgs() with a stack trace:

Current process (0x0) infected with signal 11 (SIGSEGV)
Current Process is running on a Non-Engine Thread
Address 0x0x00007f1c65bf90ad (STSendMsgs+0x205), siginfo (code, address) = (1, 0x0x0000000000000eb8)

• The stack trace includes the following functions:

kbctException
krtctskException
kisignal
STSendMsgs
upsleepgeneric
ubcWaitForCompletion
undo_blockingcall_thread
ra_ci_send_CI_message
ra_ci_send_mode_switch_message
ra__ci_background_task_wait_for_srs_ack
ra__ci_background_task

  Note: A complete stack trace is available under Attachments.

• Error 9219 is reported after the stack trace:

Error: 9219, Severity: 20, State: 479
RepAgent(n): Internal coding error.

• SAP Adaptive Server Enterprise (ASE) 16.0 
• SAP Replication Server (SRS) 16.0
• High Availability Disaster Recovery (HADR)

RAT-CI, core, CR813899, 813899, CR#813899, CR819781, CR#819781, 819781, SEGV, segmentation, storage, access, violation, fault, segfault, kisignal, stacktrace,  registers, CR822998, CR#822998, 822998 , KBA , BC-SYB-ASE , Sybase ASE Database Platform (non Business Suite) , BC-SYB-REP , Sybase Replication Server (standalone) , Bug Filed