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Cisco Bug: CSCvs75268 - OSPF process crash due to chunk corruption in Flood DB

Last Modified

Jul 20, 2020

Products (1)

  • Cisco IOS

Known Affected Releases


Description (partial)

An IOS-XE router running 16.9.4 could experience a crash in an OSPF process while processing an LS Ack.  The crash is caused by chunk memory corruption.  The chunk name where the corruption occurs is "OSPF flood info":

 %SYS-2-CHUNKBADMAGIC: Bad magic number in chunk header, chunk 80007F2D4A754C70  data 80007F2D4EEC0508  chunkmagic 0  chunk_freemagic 0 -Process= "OSPF-13 Router", ipl= 0, pid= 629
-Traceback= 1#22dd302da09b14463eac424015bfb6ff  :55D5DF5DC000+5C93613 :55D5DF5DC000+5C93469 iosd_shr_m_uk9_ROUTING_crb:7F2DF0777000+BE70B3 iosd_shr_m_uk9_ROUTING_crb:7F2DF0777000+B30EC6 iosd_shr_m_uk9_ROUTING_crb:7F2DF0777000+B21A58 iosd_shr_m_uk9_ROUTING_crb:7F2DF0777000+B195C2
chunk_diagnose, code = 1
chunk name is OSPF flood info

Exact conditions not yet known.
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