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@xxxxxxxxx>
Acked-by: Marcelo Ricardo Leitner <marcelo.leitner@xxxxxxxxx>
> ---
> net/sctp/sctp_diag.c | 1 -
> 1 file changed, 1 deletion(-)
>
> diff --git a/net/sctp/sctp_diag.c b/net/sctp/sctp_diag.c
> index 7008a99..22ed01a 100644
> --- a/net/sctp/sctp_diag.c
> +++ b/net/sctp/sctp_diag.c
> @@ -309,7 +309,6 @@ static int sctp_sock_dump(struct sctp_transport *tsp, void *p)
> cb->nlh->nlmsg_seq,
> NLM_F_MULTI, cb->nlh,
> commp->net_admin) < 0) {
> - cb->args[3] = 1;
> err = 1;
> goto release;
> }
> --
> 2.1.0
>
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