netdev - Re: [PATCH 2/2] sctp: malloc enough room for asconf-ack chunk

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Message-Id: <20110401.214610.200375443.davem@davemloft.net>
Date:	Fri, 01 Apr 2011 21:46:10 -0700 (PDT)
From:	David Miller <davem@...emloft.net>
To:	yjwei@...fujitsu.com
Cc:	vladislav.yasevich@...com, linux-sctp@...r.kernel.org,
	netdev@...r.kernel.org
Subject: Re: [PATCH 2/2] sctp: malloc enough room for asconf-ack chunk

From: Wei Yongjun <yjwei@...fujitsu.com>
Date: Fri, 01 Apr 2011 17:42:55 +0800

> Sometime the ASCONF_ACK parameters can equal to the fourfold of
> ASCONF parameters, this only happend in some special case:
> 
>   ASCONF parameter is :
>     Unrecognized Parameter (4 bytes)
>   ASCONF_ACK parameter should be:
>     Error Cause Indication parameter (8 bytes header)
>      + Error Cause (4 bytes header)
>        + Unrecognized Parameter (4bytes)
> 
> Four 4bytes Unrecognized Parameters in ASCONF chunk will cause panic.
 ...
> Signed-off-by: Wei Yongjun <yjwei@...fujitsu.com>

Applied.
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