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2840114 - Signal 11 Error in ea__add_imrslog_dmap when encrypting/decrypting the database

Symptom

ASE encountered signal 11 with stacktrace when encrypting or decrypting a database

00:0006:00000:00189:2019/08/20 08:28:48.15 server The configuration option 'enable encrypted columns' has been changed by 'sa' from '0' to '1'.
00:0007:00000:00215:2019/08/20 08:42:00.37 kernel Current process (0x26b0136) infected with signal 11 (SIGSEGV)
00:0007:00000:00215:2019/08/20 08:42:00.37 kernel Current Process is running on Engine 1
00:0007:00000:00215:2019/08/20 08:42:00.37 kernel server is using elf symbols for stack decoding (125189 symbols found)
00:0007:00000:00215:2019/08/20 08:42:00.37 kernel Address 0x0x000000000124bd2b (ea__add_imrslog_dmap+0x2f), siginfo (code, address) = (1, 0x0x000000000000011e)
00:0007:00000:00215:2019/08/20 08:42:00.37 kernel **** Saved signal context (0x0x00007fc10d297ec0): ****
00:0007:00000:00215:2019/08/20 08:42:00.37 kernel uc_flags: 0x1, uc_link: 0x(nil)
00:0007:00000:00215:2019/08/20 08:42:00.37 kernel uc_sigmask: 0x7bfbf037 0xb 0x1 0x11e
00:0007:00000:00215:2019/08/20 08:42:00.37 kernel uc_stack: ss_sp: 0x(nil), ss_size: 0x0, ss_flags: 0x2
00:0007:00000:00215:2019/08/20 08:42:00.37 kernel General Registers (uc_mcontext.gregs):
00:0007:00000:00215:2019/08/20 08:42:00.37 kernel PC : 0x000000000124bd2b (ea__add_imrslog_dmap+0x2f)
00:0007:00000:00215:2019/08/20 08:42:00.37 kernel RAX : 0x0000000000010000 RBX : 0x0000000000000002
00:0007:00000:00215:2019/08/20 08:42:00.37 kernel RCX : (nil) RDX : 0x000000000000003b
00:0007:00000:00215:2019/08/20 08:42:00.37 kernel RBP : 0x00007fc10d298530 RSP : 0x00007fc10d298470
00:0007:00000:00215:2019/08/20 08:42:00.37 kernel R8 : (nil) R9 : (nil)
00:0007:00000:00215:2019/08/20 08:42:00.37 kernel R10 : 0xfffffffffffffff8 R11 : (nil)
00:0007:00000:00215:2019/08/20 08:42:00.37 kernel R12 : (nil) R13 : 0x0000000000000001
00:0007:00000:00215:2019/08/20 08:42:00.37 kernel R14 : (nil) R15 : (nil)
00:0007:00000:00215:2019/08/20 08:42:00.37 kernel RDI : 0x00007fc1dc8af180 RSI : 0x00007fc10d298650
00:0007:00000:00215:2019/08/20 08:42:00.37 kernel RIP : 0x000000000124bd2b CSGSFS : 0x0000000000000033
00:0007:00000:00215:2019/08/20 08:42:00.37 kernel TRAPNO : 0x000000000000000e ERR : 0x0000000000000006
00:0007:00000:00215:2019/08/20 08:42:00.37 kernel EFL : 0x0000000000010202
00:0007:00000:00215:2019/08/20 08:42:00.37 kernel **** end of signal context ****

00:0007:00000:00215:2019/08/20 08:42:20.94 server SQL Text: [no text]
00:0007:00000:00215:2019/08/20 08:42:20.94 kernel curdb = 1 tempdb = 2 pstat = 0x10000 p2stat = 0x100000
00:0007:00000:00215:2019/08/20 08:42:20.94 kernel p3stat = 0x81a p4stat = 0x0 p5stat = 0x0 p6stat = 0x0 p7stat = 0x10000
00:0007:00000:00215:2019/08/20 08:42:20.94 kernel lasterror = 0 preverror = 0 transtate = 1
00:0007:00000:00215:2019/08/20 08:42:20.94 kernel curcmd = 0 program =
00:0007:00000:00215:2019/08/20 08:42:20.94 kernel extended error information: hostname: login:
00:0007:00000:00215:2019/08/20 08:42:20.94 kernel pc: 0x00000000015333a0 pcstkwalk+0x482()
00:0007:00000:00215:2019/08/20 08:42:20.94 kernel pc: 0x0000000001532d5f ucstkgentrace+0x20f()
00:0007:00000:00215:2019/08/20 08:42:20.94 kernel pc: 0x000000000152f592 ucbacktrace+0x54()
00:0007:00000:00215:2019/08/20 08:42:20.94 kernel pc: 0x00000000017fa8d7 terminate_process+0xb17()
00:0007:00000:00215:2019/08/20 08:42:20.94 kernel pc: 0x000000000155fa34 kisignal+0x868()
00:0007:00000:00215:2019/08/20 08:42:20.94 kernel pc: 0x000000000124bd2b ea__add_imrslog_dmap+0x2f()
00:0007:00000:00215:2019/08/20 08:42:20.94 kernel [Handler pc: 0x0x00000000021a8db0 ut_handle installed by the following function:-]
00:0007:00000:00215:2019/08/20 08:42:20.94 kernel pc: 0x0000000001247f8a ea_encrypt_decrypt_db_main+0x1490()
00:0007:00000:00215:2019/08/20 08:42:20.94 kernel end of stack trace, spid 215, kpid 40567094, suid 0


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Environment

SAP Adaptive Server Enterprise (ASE) 16.0

Product

SAP Adaptive Server Enterprise 16.0 ; SAP enhancement package 1 for SAP NetWeaver 7.3

Keywords

Encryption, signal 11, IMRS, ea_encrypt_decrypt_db_main, CR820121, CR#820121, SEGV, segmentation, storage, access, violation, fault, segfault, kisignal, stacktrace,  stack, registers, Sybase, ASEServer, SAPASE, dataserver , KBA , BC-DB-SYB , Business Suite on Adaptive Server Enterprise , BC-SYB-ASE , Sybase ASE Database Platform (non Business Suite) , Problem

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