- Running query against a monitoring (monXxxx / MDA) table
- ASE errorlog reports a timeslice at mon_snapshotSetCounter
- While holding the 'Monitor spinlock', causing the ASE server to crash
- Errorlog entries include (offsets will vary across platform and version) :
timeslice -1234, current process infected at 0x14440d4 (mon_snapshotSetCounter+0xad)
Spinlocks held by kpid 1234567
Spinlock Monitor spinlock at address ....
followed by a stack trace including functions :
SAP Adaptive Server Enterprise (ASE) 15.7
ASE 16.x is not affected by this.
(null)+0x3c31a0f7e0() , plgrabstats+0x89() , dbcc_monitor+0xc7() , exec_dbcc+0x14e9() , monitor spinlock , KBA , BC-SYB-ASE-CE , ASE Cluster Edition (Standalone) , BC-SYB-ASE , Sybase ASE Database Platform (non Business Suite) , Bug Filed
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