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incessant likely missed sequence messages #23

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jamiesonbc opened this issue Feb 3, 2017 · 8 comments
Closed

incessant likely missed sequence messages #23

jamiesonbc opened this issue Feb 3, 2017 · 8 comments

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@jamiesonbc
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  • [ x] I've read and understood the Contributing guidelines and have done my best effort to follow them.
  • [x ] I've read and agree to the Code of Conduct.
  • [x ] I've searched for any related issues and avoided creating a duplicate issue.

Description

incessant "Likely Missed sequence" messages

Reproducible in:

go-audit version:

OS version(s):
root@ld5333:/tmp# lsb_release -a
No LSB modules are available.
Distributor ID: Ubuntu
Description: Ubuntu 16.04 LTS
Release: 16.04
Codename: xenial

Steps to reproduce:

  1. start go-audit and let run

Expected result:

e.g. What you expected to happen

Actual result:

root@ld5333:/tmp# ./go-audit -config go-audit.yaml
2017/02/03 Flushed existing audit rules
2017/02/03 Added audit rule #1
2017/02/03 Added audit rule #2
2017/02/03 Socket receive buffer size: 32768
2017/02/03 Ignoring syscall 49 containing message type 1306 matching string saddr=(10..|0A..)
2017/02/03 Ignoring syscall `` containing message type 1305 matching string `.*`
2017/02/03 Started processing events
2017/02/03 Likely missed sequence 504532, current 505034, worst message delay 0
2017/02/03 Likely missed sequence 504534, current 505036, worst message delay 0
2017/02/03 Likely missed sequence 504536, current 505038, worst message delay 0
2017/02/03 Likely missed sequence 504538, current 505040, worst message delay 0
2017/02/03 Likely missed sequence 504540, current 505042, worst message delay 0
2017/02/03 Likely missed sequence 504542, current 505044, worst message delay 0
2017/02/03 Likely missed sequence 504544, current 505046, worst message delay 0
2017/02/03 Likely missed sequence 504546, current 505048, worst message delay 0
2017/02/03 Likely missed sequence 504548, current 505050, worst message delay 0
2017/02/03 Likely missed sequence 504550, current 505052, worst message delay 0
2017/02/03 Likely missed sequence 504552, current 505054, worst message delay 0
2017/02/03 Likely missed sequence 504554, current 505056, worst message delay 0
2017/02/03 Likely missed sequence 504556, current 505058, worst message delay 0
2017/02/03 Likely missed sequence 504558, current 505060, worst message delay 0
2017/02/03 Likely missed sequence 504561, current 505062, worst message delay 0
2017/02/03 Likely missed sequence 504563, current 505064, worst message delay 0
2017/02/03 Likely missed sequence 504566, current 505068, worst message delay 0
2017/02/03 Likely missed sequence 504569, current 505070, worst message delay 0
2017/02/03 Likely missed sequence 504571, current 505072, worst message delay 0
2017/02/03 Likely missed sequence 504573, current 505074, worst message delay 0
2017/02/03 Likely missed sequence 504575, current 505076, worst message delay 0
^C

Attachments:

e.g. Logs, screenshots, screencast, sample project, funny gif, etc.

@nbrownus
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nbrownus commented Feb 8, 2017

What is your current config for message_tracking.max_out_of_order?

@jamiesonbc
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jamiesonbc commented Feb 8, 2017 via email

@nbrownus
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Either you have multiple processes fighting for the audit netlink socket or your computer isn't fast enough to process all the audit messages. Can you confirm that only one instance go-audit is running and that auditd is not? While go-audit is running what does cpu utilization look like?

@jamiesonbc
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jamiesonbc commented Feb 10, 2017 via email

@nbrownus
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Can you confirm how many go-audit processes are running or that auditd is running when this happens?

@jamiesonbc
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jamiesonbc commented Feb 20, 2017 via email

@nbrownus
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Was auditd running?

@jamiesonbc
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jamiesonbc commented Feb 22, 2017 via email

@nbrownus nbrownus closed this as completed Aug 8, 2017
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