netdev - Re: [PATCH net] sctp: do not mark sk dumped when inet_sctp_diag

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Message-ID: <20170915125952.GB6031@hmswarspite.think-freely.org>
Date:   Fri, 15 Sep 2017 08:59:52 -0400
From:   Neil Horman <nhorman@...driver.com>
To:     Xin Long <lucien.xin@...il.com>
Cc:     network dev <netdev@...r.kernel.org>, linux-sctp@...r.kernel.org,
        davem@...emloft.net,
        Marcelo Ricardo Leitner <marcelo.leitner@...il.com>
Subject: Re: [PATCH net] sctp: do not mark sk dumped when inet_sctp_diag_fill
 returns err

On Fri, Sep 15, 2017 at 11:02:48AM +0800, Xin Long wrote:
> sctp_diag would not actually dump out sk/asoc if inet_sctp_diag_fill
> returns err, in which case it shouldn't mark sk dumped by setting
> cb->args[3] as 1 in sctp_sock_dump().
> 
> Otherwise, it could cause some asocs to have no parent's sk dumped
> in 'ss --sctp'.
> 
> So this patch is to not set cb->args[3] when inet_sctp_diag_fill()
> returns err in sctp_sock_dump().
> 
> Fixes: 8f840e47f190 ("sctp: add the sctp_diag.c file")
> Signed-off-by: Xin Long <lucien.xin@...il.com>
> ---
>  net/sctp/sctp_diag.c | 1 -
>  1 file changed, 1 deletion(-)
> 
Acked-by: Neil Horman <nhorman@...driver.com>