netdev - Re: [PATCH] sctp: Fix kernel panic while process protocol violation parameter

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Message-Id: <20080930.053331.193692654.davem@davemloft.net>
Date:	Tue, 30 Sep 2008 05:33:31 -0700 (PDT)
From:	David Miller <davem@...emloft.net>
To:	vladislav.yasevich@...com
Cc:	linux-sctp@...r.kernel.org, netdev@...r.kernel.org,
	yjwei@...fujitsu.com
Subject: Re: [PATCH] sctp: Fix kernel panic while process protocol
 violation parameter

From: Vlad Yasevich <vladislav.yasevich@...com>
Date: Thu, 25 Sep 2008 17:14:20 -0400

> From: Wei Yongjun <yjwei@...fujitsu.com>
> 
> Since call to function sctp_sf_abort_violation() need paramter 'arg' with
> 'struct sctp_chunk' type, it will read the chunk type and chunk length from
> the chunk_hdr member of chunk. But call to sctp_sf_violation_paramlen()
> always with 'struct sctp_paramhdr' type's parameter, it will be passed to
> sctp_sf_abort_violation(). This may cause kernel panic.
> 
>    sctp_sf_violation_paramlen()
>      |-- sctp_sf_abort_violation()
>         |-- sctp_make_abort_violation()
> 
> This patch fixed this problem. This patch also fix two place which called
> sctp_sf_violation_paramlen() with wrong paramter type.
> 
> Signed-off-by: Wei Yongjun <yjwei@...fujitsu.com>
> Signed-off-by: Vlad Yasevich <vladislav.yasevich@...com>

Applied to net-2.6, thanks.
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