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1930537 - Signal 11 in mda_calc_proc_hdr_mem_KB followed by server crash- ASE

Symptom

ASE crashed with the following stacktrace:

kernel  Current process (...) infected with signal 11 (SIGSEGV) in module  (mda_calc_proc_hdr_mem_KB+0x1c8
kernel   PC (iar): 0000000100f68564 (mda_calc_proc_hdr_mem_KB+0x1c8)
kernel   Link Register (lr): 0000000100f82a7c (mda__collect_procinfo@AF5_3+0x1f0)        
proc__tomru()
proc_get()
s_getTreeOrPlan()
add_default()
pre_aggview.fdpr.chunk.5()
s_preprocess()


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Environment

SAP Adaptive Server Enterprise (ASE) 15.7 prior to SP121

Product

SAP Adaptive Server Enterprise 15.7

Keywords

mda, monitor table, monProcessProcedures, memory corruption , KBA , BC-SYB-ASE , Sybase ASE Database Platform (non Business Suite) , Bug Filed

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