Re: [PATCH net] sctp: fix rcu usage on proc listing

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On Tue, Jan 19, 2016 at 08:02:30PM -0200, Marcelo Ricardo Leitner wrote:
> > --- a/net/sctp/proc.c
> > +++ b/net/sctp/proc.c
> > @@ -491,6 +491,7 @@ static int sctp_remaddr_seq_show(struct seq_file *seq, void *v)
> >  	tsp = (struct sctp_transport *)v;
> >  	assoc = tsp->asoc;
> >  
> > +	rcu_read_lock();

should have used rcu_read_lock_bh() here, will send a v2 tomorrow.

> >  	list_for_each_entry_rcu(tsp, &assoc->peer.transport_addr_list,
> >  				transports) {
> >  		if (tsp->dead)
> > @@ -543,6 +544,7 @@ static int sctp_remaddr_seq_show(struct seq_file *seq, void *v)
> >  
> >  		seq_printf(seq, "\n");
> >  	}
> > +	rcu_read_unlock();
> >  
> >  	return 0;
> >  }
> > -- 
> > 2.5.0
> > 
> 
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