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From Dean Gaudet <dgau...@arctic.org>
Subject Re: tcpserver bringing down a machine? (fwd)
Date Wed, 19 Mar 1997 09:24:10 GMT
This might be the reason for that 4.1.3 panic Roy tried to patch around.

Dean

---------- Forwarded message ----------
Date: Tue, 18 Mar 1997 20:28:24 +0100
From: sthaug@nethelp.no
To: nelson@crynwr.com
Cc: djb-qmail@koobera.math.uic.edu
Subject: Re: tcpserver bringing down a machine?

> Anybody seen anything like this??
...
> Mar 18 08:27:16 ns vmunix: pid 13355, `tcpserver': Data access exception
> Mar 18 12:59:46 ns vmunix: pid 3194, `tcpserver': Data access exception

I see he's running SunOS 4.1.3_U1. Is the following patch installed?

102010-03 SunOS 4.1.3_U1: TCP Interface Jumbo Patch

If this patch is not installed on 4.1.3_U1 machines running sendmail,
sendmail can provoke a crash by using getsockopt (this is in the FAQ).

As far as I can see tcpserver never uses getsockopt - but it *does* use
setsockopt. I wouldn't be surprised it setsockopt is affected too.

Steinar Haug, Nethelp consulting, sthaug@nethelp.no


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