[Bug 1964506] Re: Ping: checks payloads incorrectly, ignores all mismatch replies

[Sebastien Bacher]

and I've uploaded a focal SRU candidate to the review queue now

** Changed in: iputils (Ubuntu Focal)
   Importance: Undecided => Low

** Changed in: iputils (Ubuntu Focal)
       Status: New => Fix Committed

** Description changed:

+ = Impact =
+ 
+ the ping statistics are incorrect when dealing with truncated packets
+ 
+ = Test case =
+ 
+ $ ping -c 1 -s 1200 8.8.8.8
+ 
+ should list truncated replies and received packets
+ 
+ = Regression potential =
+ 
+ the changes are limited to the ping source any regression would impact
+ that utility, check that responses are correctly handled and statistics
+ reflecting what is expected
+ 
+ --------------------------------------------------
+ 
  Problematic commit reverted upstream causing incorrect behavior in
  Ubuntu Focal.
  
  Discussion: https://github.com/iputils/iputils/issues/320
  Fix: https://github.com/iputils/iputils/pull/321
  Release: https://github.com/iputils/iputils/releases/tag/20210722
  
  Could this patch be added for a Focal update please?
  
  1) Ubuntu 20.04.3 LTS
  2) 3:20190709-3
  3)
  
  focal$ ping -c 1 -s 1200 8.8.8.8
  PING 8.8.8.8 (8.8.8.8) 1200(1228) bytes of data.
  
  --- 8.8.8.8 ping statistics ---
  1 packets transmitted, 0 received, 100% packet loss, time 0ms
  
  4)
  
  xenial$ ping -c 1 -s 1200 8.8.8.8
  PING 8.8.8.8 (8.8.8.8) 1200(1228) bytes of data.
  76 bytes from 8.8.8.8: icmp_seq=1 ttl=61 (truncated)
  
  --- 8.8.8.8 ping statistics ---
  1 packets transmitted, 1 received, 0% packet loss, time 0ms
  rtt min/avg/max/mdev = 0.284/0.284/0.284/0.000 ms

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https://bugs.launchpad.net/bugs/1964506

Title:
  Ping: checks payloads incorrectly, ignores all mismatch replies

Status in iputils package in Ubuntu:
  Fix Released
Status in iputils source package in Focal:
  Fix Committed

Bug description:
  = Impact =

  the ping statistics are incorrect when dealing with truncated packets

  = Test case =

  $ ping -c 1 -s 1200 8.8.8.8

  should list truncated replies and received packets

  = Regression potential =

  the changes are limited to the ping source any regression would impact
  that utility, check that responses are correctly handled and
  statistics reflecting what is expected

  --------------------------------------------------

  Problematic commit reverted upstream causing incorrect behavior in
  Ubuntu Focal.

  Discussion: https://github.com/iputils/iputils/issues/320
  Fix: https://github.com/iputils/iputils/pull/321
  Release: https://github.com/iputils/iputils/releases/tag/20210722

  Could this patch be added for a Focal update please?

  1) Ubuntu 20.04.3 LTS
  2) 3:20190709-3
  3)

  focal$ ping -c 1 -s 1200 8.8.8.8
  PING 8.8.8.8 (8.8.8.8) 1200(1228) bytes of data.

  --- 8.8.8.8 ping statistics ---
  1 packets transmitted, 0 received, 100% packet loss, time 0ms

  4)

  xenial$ ping -c 1 -s 1200 8.8.8.8
  PING 8.8.8.8 (8.8.8.8) 1200(1228) bytes of data.
  76 bytes from 8.8.8.8: icmp_seq=1 ttl=61 (truncated)

  --- 8.8.8.8 ping statistics ---
  1 packets transmitted, 1 received, 0% packet loss, time 0ms
  rtt min/avg/max/mdev = 0.284/0.284/0.284/0.000 ms

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