The following reply was made to PR kern/155597; it has been noted by GNATS.

From: Arnaud Lacombe <[email protected]>
To: [email protected], [email protected]
Cc:  
Subject: Re: kern/155597: [panic] Kernel panics with &quot;sbdrop&quot; message
Date: Tue, 16 Aug 2011 16:43:59 -0400

 Hi,
 
 Does this still happen with 9.0-BETA ?
 
 If so, could this be a use-after-free, where an mbuf is freed (during
 an m_pullup() or alike), but the old reference is still kept around,
 gets added to the sockbuf, then the mbuf is re-allocated and corrupt
 the sockbuf ?
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