Re: panic in skb_push via sctp

[Daniel Borkmann]

On 12/01/2014 08:00 PM, Robert ÅwiÄcki wrote:
> 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..

Ok thanks, can you post your .config?
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