netdev - Re: [PATCH 1/2] sctp: correct bounds check in sctp_setsockopt_auth

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Message-Id: <20080827.160915.57923023.davem@davemloft.net>
Date:	Wed, 27 Aug 2008 16:09:15 -0700 (PDT)
From:	David Miller <davem@...emloft.net>
To:	vladislav.yasevich@...com
Cc:	eteo@...hat.com, netdev@...r.kernel.org, security@...nel.org,
	linux-sctp@...r.kernel.org
Subject: Re: [PATCH 1/2] sctp: correct bounds check in
 sctp_setsockopt_auth_key

From: Vlad Yasevich <vladislav.yasevich@...com>
Date: Wed, 27 Aug 2008 16:03:34 -0400

> The bonds check to prevent buffer overlflow was not exactly
> right.  It still allowed overflow of up to 8 bytes which is
> sizeof(struct sctp_authkey).
> 
> Since optlen is already checked against the size of that struct,
> we are guaranteed not to cause interger overflow either.
> 
> Signed-off-by: Vlad Yasevich <vladislav.yasevich@...com>

Applied, and queued for -stable.
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