On Fri, Jul 07, 2017 at 11:23:02PM +1200, Xin Long wrote:
> On Mon, Jul 3, 2017 at 7:12 PM, Sun Paul <paulrbk@xxxxxxxxx> wrote:
> > also, how to determine it is OOTB packet?
> can you use systemtap on the host sending abort chunk ?
>
> # stap --all-modules -v -e 'probe
> module("sctp").function("sctp_make_abort").call{print_backtrace();println("");}'
>
> So that we can see how the abort chunk is caused.
Or the perf version:
# perf probe -m sctp -a sctp_make_abort
# perf record -e probe:sctp_make_abort -agR -- <command>
(note the extra -g if compared to what the 1st command outputted)
# perf script
<command> should be either your reproducer or an sleep X that covers the
event.
Marcelo
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