2014-12-01 19:08 GMT+01:00 Daniel Borkmann <dborkman@xxxxxxxxxx>: > >> Thanks for looking into it. I can try with your patch, but no >> guarantees that the fuzzer will hit the same condition in some >> reasonable time-frame. Will get back in some time with results. > > > Ok, thanks! > >> PS. If you think it's possible to create a repro (userland code) which >> can trigger this, I can give it a try. > > > Did by accident trinity create tunnels? It looks that upper layer > protocols (except SCTP) all allocate and reserve MAX_HEADER to > accommodate enough head room in worst case for possible tunnels. Not sure, but I run it inside a pid/ipc/uts/etc/user-namespaces where it operates with a full set of capabilities, so most of the SOCK_RAW and tunnel-like-creating calls succeed, so maybe.. -- Robert Święcki -- To unsubscribe from this list: send the line "unsubscribe linux-sctp" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html