Thank you for taking the time to report this bug and helping to make Ubuntu
better.
However, this report is not an actual bug. Both ping and tcpdump are reporting
the total number of bytes in the received IP packets,
which is the number of databytes specified with -s plus 8 bytes ICMP header.
>From the ping man page:
ICMP PACKET DETAILS
An IP header without options is 20 bytes. An ICMP ECHO_REQUEST packet
contains an additional 8 bytes worth of ICMP header followed by an
arbitrary amount of data. When a packetsize is given, this indicated
the size of this extra piece of data (the default is 56). Thus the
amount of data received inside of an IP packet of type ICMP ECHO_REPLY
will always be 8 bytes more than the requested data space (the ICMP
header).
Please feel free to continue to report any other bugs you may find.
** Changed in: tcpdump (Ubuntu)
Status: New => Invalid
** Changed in: iputils (Ubuntu)
Status: New => Invalid
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reply has wrong packet size
https://bugs.launchpad.net/bugs/84893
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