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Cisco Bug: CSCvs73916 - Memory corruption aaa_malloc_lite

Last Modified

Sep 03, 2020

Products (1)

  • Cisco IOS

Known Affected Releases

15.2(7)E

Description (partial)

Symptom:
Device reloads creating the following logs on crash file:

007866: Jan 14 14:02:46: %SYS-3-BADBLOCK: Bad block pointer F9861A4
-Traceback= 7E1AB0z 2CFD8C0z 2CFE470z 2CFE804z 2CFEA08z 3AE547Cz 3AE116Cz
007867: Jan 14 14:02:46: %SYS-6-MTRACE: mallocfree: addr, pc
  E07EF90,799010    E07EF90,40000294  BCDFE04,798FE4    BCDFE04,4000020E
  B22A68C,354FCE4   E1A2BE4,60000016  E1A2B0C,354FCB8   E1A2B0C,3550A78 
007868: Jan 14 14:02:46: %SYS-6-MTRACE: mallocfree: addr, pc
  E1A2B0C,40000058  B22A68C,35504BC   B22A68C,30000088  B22A68C,354FCE4 
  E1A2BE4,60000016  E1A2B0C,354FCB8   E1A2B0C,3550A78   E1A2B0C,40000058
007869: Jan 14 14:02:46: %SYS-6-BLKINFO: Corrupted next pointer blk F9861A4, words 34, alloc 1AD860, InUse, dealloc 3A304136, rfcnt 1
-Traceback= 7E1AB0z 2CE2828z 2CFD8D8z 2CFE470z 2CFE804z 2CFEA08z 3AE547Cz 3AE116Cz
007870: Jan 14 14:02:46: %SYS-6-MEMDUMP: 0xF9861A4: 0xAB1234CD 0x1260000 0x12B 0x4215A9C
007871: Jan 14 14:02:46: %SYS-6-MEMDUMP: 0xF9861B4: 0x1AD860 0x1986210 0xF986164 0x80000022
007872: Jan 14 14:02:46: %SYS-6-MEMDUMP: 0xF9861C4: 0x1 0xD0D0D0D 0x0 0x0

Conditions:
Issue found on 2960x running release 15.2(7)E0a
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