On 4/11/17 1:02 AM, Johannes Berg wrote: > On Tue, 2017-04-11 at 08:59 +0200, Pablo Neira Ayuso wrote: >> CAP_ACK means: trim off the payload that the netlink error message >> is embedding, just like ICMP error does. >> >> What is exactly your concern? If the user explicitly requests this >> via socket option for this socket, then we're expecting they do the >> right handling for what they're asking for. > > I think David's concern was that when you want to parse the ACK in a > library (or application), you may not easily know if the application > (or library) requested capping. exactly.