2614971 - Signal 11 in index_compress_page_with_prefix() during LOAD TRANSACTION - SAP ASE 16.0

• SAP ASE 16.0 systems running SAP applications have "index compression" enabled by default.
• Recently upgraded these SAP ASE systems to SAP ASE 16.0 SP02 PL07.
• A LOAD TRANSACTION command fails with an "infected with signal 11" error followed by a stack trace:

Current process (0x4d0027) infected with signal 11 (SIGSEGV)
Address 0x0x0000000000966006 (index_compress_page_with_prefix+0x4ef), siginfo (code, address) = (1, 0x0x0000000000000570)

• The stack trace includes modules:

index_compress_page
bt__do_rebldleaf
bt__do_updatetarget
redo_bt_rebldleafs
rec_redo_log
recovery

  Note: A complete stack trace is available under Attachments.

• This error is followed by several warnings about a memory buffer found in a predirty state during the termination of process, for example:

WARNING: Pss 0x0x00002aab07260d88 found with open sdes. pspid 27, psuid 4, pcurdb 1, system table entry 3, sdesp 0x0x00002aaaf1b43480, objid 8.
WARNING: Pss 0x0x00002aab07260d88 found with open sdes. pspid 27, psuid 4, pcurdb 1, system table entry 5, sdesp 0x0x00002aaaf1b3fcf0, objid 1.

• And Error 6103:

6103, Severity: 17, State: 1
Unable to do cleanup for the killed process; received Msg 834.

• SAP Adaptive Server Enterprise (ASE) 16.0 SP02 PL07 for Business Suite
• SAP Adaptive Server Enterprise (ASE) 16.0 SP02 PL07

compressed, CR813852, CR#813852, 813852, REORG, REBUILD, tran, 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