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2184118 - Signal 11 in proc__search() causes a server crash - SAP ASE

Symptom

  • ASE errorlog reports an "Infected with signal 11" error in the module proc__search():

Current process (0x5c290019) infected with signal 11 (SIGSEGV)
Address hex# (proc__search+0x348)

  • followed by a stack trace that includes modules:

proc__search
proc_get
s_getTreeOrPlan
execproc

  • while holding a procdedure cache spinlock rprocmgr_spin:

Spinlocks held by  kpid 123456789
Spinlock Resource->rprocmgr_spin at address ...

  • causing the ASE server to go down immediately.

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Environment

SAP Adaptive Server Enterprise (ASE) 15.7

Product

SAP Adaptive Server Enterprise 15.7

Keywords

SEGV, segment, storage, access, violation, fault, segfault, kisignal, stacktrace , KBA , BC-SYB-ASE , Sybase ASE Database Platform (non Business Suite) , Bug Filed

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