Messages in this thread | | | Date | Mon, 01 Dec 2014 20:14:21 +0100 | From | Daniel Borkmann <> | Subject | Re: panic in skb_push via sctp |
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On 12/01/2014 08:00 PM, Robert Święcki wrote: > 2014-12-01 19:08 GMT+01:00 Daniel Borkmann <dborkman@redhat.com>: >> >>> 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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