netdev - Re: [PATCH net] sctp: asconf's process should verify address parameter is in the beginning

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Message-ID: <CADvbK_d43Qb86Mjx7BuP9tC_DSw-bO=o2k7nyhw=-Y7Tp6ft9g@mail.gmail.com>
Date:	Tue, 25 Aug 2015 20:28:51 +0800
From:	lucien xin <lucien.xin@...il.com>
To:	vyasevic@...hat.com
Cc:	network dev <netdev@...r.kernel.org>,
	Marcelo Ricardo Leitner <mleitner@...hat.com>,
	davem <davem@...emloft.net>
Subject: Re: [PATCH net] sctp: asconf's process should verify address
 parameter is in the beginning

>
> Sorry, you can't do that directly without a lot more checks.  The parameer
> may be only only partial, or may not be there at all.  You'd end up looking
> at wrong mememory.
>
> A better way would be to set the addr_param_seen only when looking at
> the first parameter (addip_hdr.params).
>
I will repost it
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