Re: [PATCH v3 0/4] sctp: fix association hangs due to reassembly/ordering logic

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On 02/28/2013 09:37 AM, Lee A. Roberts wrote:
From: "Lee A. Roberts" <lee.roberts@xxxxxx>

This series of patches resolves several SCTP association hangs observed during
SCTP stress testing.  Observable symptoms include communications hangs with
data being held in the association reassembly and/or lobby (ordering) queues.
Close examination of reassembly/ordering queues may show either duplicated
or missing packets.

In version #2, corrected build failure in initial version of patch series
due to wrong calling sequence for sctp_ulpq_partial_delivery() being inserted
in sctp_ulpq_renege().

In version #3, adjusted patch documentation to be less repetitive.

My Acks from version 1 still apply.

Acked-by: Vlad Yasevich <vyasevich@xxxxxxxxx>

-vlad


Lee A. Roberts (4):
   sctp: fix association hangs due to off-by-one errors in
     sctp_tsnmap_grow()
   sctp: fix association hangs due to reneging packets below the
     cumulative TSN ACK point
   sctp: fix association hangs due to errors when reneging events from
     the ordering queue
   sctp: fix association hangs due to partial delivery errors

  net/sctp/tsnmap.c   |   13 ++++----
  net/sctp/ulpqueue.c |   87 +++++++++++++++++++++++++++++++++++++++++----------
  2 files changed, 78 insertions(+), 22 deletions(-)


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