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Cisco Bug: CSCvu35559 - Memory corruption crash when device is booting up

Last Modified

Aug 31, 2020

Products (1)

  • Cisco Catalyst 9400 Series Switches

Known Affected Releases

16.9.4 17.1.1

Description (partial)

Symptom:
Memory corruption crash is due to check heap process which is finding this corrupted block:

examples on the crash files:
--*Feb  2 15:57:08.536: %SYS-6-BLKINFO: Corrupted next pointer blk 80007FF9722BEB28, words 4236, alloc 80005581011841A0, InUse, dealloc 0, rfcnt 1

--*Feb  2 16:06:07.492: %SYS-6-BLKINFO: Corrupted next pointer blk 80007F0FC922E4C8, words 4236, alloc 800055940523B1A0, InUse, dealloc 0, rfcnt 1

--*May  2 13:22:11: %SYS-6-BLKINFO: Corrupted redzone blk 80007FCC2EDE42F8, words 4244, alloc 80005631BFD86490, InUse, dealloc 0, rfcnt 1

Conditions:
-While device is booting up, memory corruption crash is seen.
-Not every reload the crash is seen

PC allocator from corrupted block is "pak_pool_item_create"
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