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Path: utzoo!watmath!clyde!burl!ulysses!allegra!mit-eddie!genrad!decvax!tektronix!orca!hammer!steveh
From: steveh@hammer.UUCP (Stephen Hemminger)
Newsgroups: net.unix-wizards
Subject: Re: recvfrom() on raw sockets sometimes gives bad source address
Message-ID: <1008@hammer.UUCP>
Date: Fri, 16-Nov-84 11:53:25 EST
Article-I.D.: hammer.1008
Posted: Fri Nov 16 11:53:25 1984
Date-Received: Sun, 18-Nov-84 03:20:35 EST
References: <brl-tgr.5702>
Reply-To: steveh@hammer.UUCP (Stephen Hemminger)
Distribution: net
Organization: Tektronix, Wilsonville OR
Lines: 5
Keywords: Network, 4.2Bsd

The bug fix you suggested is close, but incorrect.

The sbappendaddr routine free's its input chain if it is sucessful (returns 1)
If it is unsucessful, the data chain is not freed.  Therefore the call
to m_free is not needed, and may cause panic freeing free mbuf.