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Cisco Bug: CSCvu10811 - Kernel panic due to invalid skb leading to crash of active switch

Last Modified

Jun 22, 2020

Products (1)

  • Cisco Catalyst 3850 Series Switches

Known Affected Releases

16.9.5

Description (partial)

Symptom:
Kernel panic leading to crash of active switch

The snippet of text identifying this bug as matching is

[1931183.192000] oobhal: rx_write: PID = 11566 TID = 14453 invalid skb (80000000edbbc780) handle (0x24d0000edbbc780) magic/users = deadbeefdeadbeef/1
[1931458.358000] oobhal: rx_write: skb (80000000edd18900) len 1429 bad checksum = r0x0000/c0x1876
[1931458.358000] oobhal: leading 16-byte oob header, trailing 2-byte checksum + 4-byte FCS
[1931458.358000] oobhal:
[1931458.358000] oobhal: 00 01 08 00 06 04 00 01 cc 8e 71 b6 16 da ac 18
[1931458.358000] oobhal: e8 01 00 00 00 00 00 00 ac 18 eb 2d 00 00 00 00
[1931458.358000] oobhal: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 19 a7

Conditions:
NA
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