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2792088 - ASE infected with Signal 11 (SIGSEGV) in routine 'memmove' when running 'update statistics' with 'hashing' option- SAP ASE

Symptom

  • Client process unexpectedly disconnected while running UPDATE STATISTICS WITH HASHING
  • ASE errorlog shows an infected with signal 11 on routine 'memmove'

Example:

Current process (0x11a50dfa) infected with signal 11 (SIGSEGV)
Address 0x0x00007ffff57c38e7 (memmove+0xa7), siginfo (code, address) = (2, 0x0x0000000000d93fce)
**** Saved signal context (0x0x00002aaae1fe0e40): ****
uc_flags: 0x1, uc_link: 0x(nil)
uc_sigmask: 0x416000 0xb 0x2 0xd93fce
uc_stack: ss_sp: 0x(nil), ss_size: 0x0, ss_flags: 0x2
General Registers (uc_mcontext.gregs):
PC : 0x00007ffff57c38e7 (memmove+0xa7)
RAX : 0x0000000000000006 RBX : 0x00002aaae1fe1551
RCX : 0x0000000000000015 RDX : 0x0000000000000080
RBP : 0x0000000000d93fce RSP : 0x00002aaae1fe13f0
R8 : 0x00000000fffffffe R9 : (nil)
R10 : 0x00002aaae1fe13f8 R11 : 0x0000000000000002
R12 : 0x0000000000d93fce R13 : 0x00002aabc51d3998
R14 : 0x00002aaae1fe1550 R15 : 0x00002aaae1fe1550
RDI : 0x0000000000d93fce RSI : 0x00002aaae1fe1550
RIP : 0x00007ffff57c38e7 CSGSFS : 0x0000000000000033
TRAPNO : 0x000000000000000e ERR : 0x0000000000000007
EFL : 0x0000000000010202


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Environment

  • Adaptive Server Enterprise 15.7

Product

SAP Adaptive Server Enterprise 15.7

Keywords

update statistics, with hashing, signal 11, memmove, btsc_keyptr, CR819247 , KBA , BC-SYB-ASE , Sybase ASE Database Platform (non Business Suite) , BC-DB-SYB , SAP Business Suite on Sybase ASE Database Platform , Bug Filed

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