The following reply was made to PR kern/133786; it has been noted by GNATS.

From: Bruce Simpson <b...@incunabulum.net>
To: freebsd-gnats-sub...@freebsd.org
Cc:  
Subject: Re: kern/133786: [netinet] [patch] ip_input might cause kernel panic
Date: Fri, 18 Sep 2009 16:40:20 +0100

 Interesting... the input checks in ip_input() should really have 
 screened this out, however, if m->m_len is indeed smaller than mcopy 
 (temporary mbuf created in the ip_forward() slow path), then 
 m_copydata() may well stomp on memory not owned by the mbuf chain.
 
 
 
 
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