2761091 - Error 632 or Signal 11 in exc_raise() caused by Full Database Encryption - SAP ASE 16.0

• Full Database Encryption fails with Error 632 followed by a stack trace:

The encryption of database 'ABC' has started.
Error: 632, Severity: 20, State: 2
Attempt to move memory with an incorrect length of -36335. Maximum allowed length is 16384.
DB Encryption Worker: The encryption of the pages failed. Please contact SAP Technical Support for assistance.

• This is a sample command executed via isql:

use master
go
alter database ABC encrypt with DEK
go

• The stack trace for the failing spid includes functions:

memmove_error
ea_bufencrypt
bufawrite
ea_encrypt_decrypt_pages

• Alternatively the "Infected with signal 11" error in the module exc_raise*() followed by a stack trace can occur during Full Database Encryption or Decryption:

Current process (0x0) infected with signal 11 (SIGSEGV)
Address 0x0x0000000001d3aa4f (exc_raise+0x3f), siginfo (code, address) = (1, 0x0x000000000000bcb0)

• The corresponding stack trace includes functions:

exc_raise
memmove_error
ea_bufdecrypt
brfinish

   Note: A complete stack trace is available under Attachments.

• SAP Adaptive Server Enterprise 16.0
• SAP Adaptive Server Enterprise 16.0 for Business Suite

812183, CR812183, CR#812183, CR817680, CR#817680, 817680, SEGV, segmentation, storage, access, violation, fault, segfault, kisignal, stacktrace,  registers , KBA , BC-DB-SYB , Business Suite on Adaptive Server Enterprise , BC-SYB-ASE , Sybase ASE Database Platform (non Business Suite) , Bug Filed