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Re: kern/51450: tcptraceroute stopped working properly in 6.0 -> 7.0 transition
The following reply was made to PR kern/51450; it has been noted by GNATS.
From: Havard Eidnes <he%NetBSD.org@localhost>
Cc: gnats-bugs%NetBSD.org@localhost, kern-bug-people%netbsd.org@localhost,
Subject: Re: kern/51450: tcptraceroute stopped working properly in 6.0 ->
Date: Tue, 30 Aug 2016 15:53:05 +0200 (CEST)
> devel/libnet10 linked from net/tcptraceroute uses u_long for th_seq
> and th_ack.
> That causes miscalculation of tcp header length on amd64.
Ah, yes, indeed. Fixing that brings a response from the remote
end. There are other u_long's in that header which will be
misinterpreted as well, I'm testing a fix which deals with them
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