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SubjectRe: [PATCH net] sctp: make sctp_setsockopt_events() less strict about the option length
On Wed, Feb 13, 2019 at 04:17:41PM +0000, David Laight wrote:
> From: Marcelo Ricardo Leitner
> > Sent: 10 February 2019 20:16
> ...
> > We have issues on read path too. 52ccb8e90c0a ("[SCTP]: Update
> > SCTP_PEER_ADDR_PARAMS socket option to the latest api draft.")
> > extended struct sctp_paddrparams and its getsockopt goes with:
>
> The API shouldn't change like this at all.
> Is this from the RFC or elsewhere??

I would think so. That commit is from 2005, pretty close to initial
SCTP RFCs.

>
> If the structure changes the socket option name and value
> should also change.

That's what is at the core of this thread.

Marcelo

>
> IMHO large chunks of the sctp rfc are just horrid.
> In particular all the places where is states that API functions are
> implemented using setsockopt() - that should be an implementation detail.
> Also ISTR that some of the structures are defined to have holes in them...
>
> David
>
> -
> Registered Address Lakeside, Bramley Road, Mount Farm, Milton Keynes, MK1 1PT, UK
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