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2316693 - Signal 11 in proc_ddlmap_release() causes server crash - SAP ASE

Symptom

  • ASE reports an "infected with signal 11" error in the module proc_ddlmap_release() wih a stack trace:

Current process (0x1e9300e0) infected with signal 11 (SIGSEGV)
Address 0x0x0000000000df41ca (proc_ddlmap_release+0x10a), siginfo (code, address) = (1, 0x0x00000000000001d8)

  • Stack trace includes the following functions:

ddlmap_finish
xact_end_session
xact_close_all_xdeses
xact__commitxact
xact__commit_local
xact_commit

  Note: A complete stack trace is available under Attachments.

  • With the affected spid holding spinlock, resulting in ASE crash:

Spinlocks held by kpid 1559561465 
Spinlock Des Upd Spinlocks at address 0x00000001464d7280 owned by 1559561465


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Environment

SAP Adaptive Server Enterprise (ASE) 15.7 and 16.0

Product

SAP Adaptive Server Enterprise 15.7 ; SAP Adaptive Server Enterprise 16.0

Keywords

SEGV, CR798608, CR#798608, 798608, segmentation, storage, access, violation, fault, segfault, kisignal, stacktrace , KBA , BC-SYB-ASE , Sybase ASE Database Platform (non Business Suite) , Bug Filed

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