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2214091 - timeslice and signal 11 errors raised in kbfalloc() - SAP ASE

Symptom

  • Receiving timeslice errors in the module kbfalloc() with stack traces:

kernel  kbfalloc() retrieved null MEMFRAG from free list at 0x0x21e052000. Heap memory corruption may have occurred. Check diagnostic printout.kernel 
timeslice -501, current process infected at 0x33afc42c63(_IO_vfprintf+0x403)

  • Also receiving "Infected with signal 11" errors in the module kbfalloc() followed by stack traces:

Current process (0x26f500c7) infected with signal 11 (SIGSEGV)                                                                                                                        
Address 0x0x00000000014c2171 (kbfalloc+0x551), siginfo (code, address) = (1,0x0x0000000000000031) 


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Environment

  • SAP Adaptive Server Enterprise (ASE) 15.7
  • SAP Adaptive Server Enterprise (ASE) 16.0

Product

SAP Adaptive Server Enterprise 15.7 ; SAP Adaptive Server Enterprise 16.0

Keywords

CR778439, CR#778439, 778439, SEGV, segmentation, storage, access, violation, fault, segfault, kisignal, stacktrace, registers, kbfalloc, ubfallocf, _IO_vfprintf, fragment, pool , KBA , BC-SYB-ASE , Sybase ASE Database Platform (non Business Suite) , Bug Filed

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