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From: Randall Stewart <rrs@FreeBSD.org>
Date: Tue, 23 Mar 2010 01:36:50 +0000 (UTC)
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Subject: cvs commit: src/sys/netinet sctp_indata.c sctputil.c sctputil.h
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rrs         2010-03-23 01:36:50 UTC

  FreeBSD src repository

  Modified files:
    sys/netinet          sctp_indata.c sctputil.c sctputil.h 
  Log:
  SVN rev 205502 on 2010-03-23 01:36:50Z by rrs
  
  Fixes a bug where SACKs in the face of
  mapping_array expansion would break. Basically
  once we expanded the array we no longer had both
  mapping arrays in sync which the sack processing code depends on.
  This would mean we were randomly referring to memory that was probably
  not there. This mostly just gave us bad sack results going back to the peer.
  If INVARIENTS was on of course we would hit the panic routine in the sack_check
  call.
  
  We also add a print routine for the place where one would panic in
  invarients so one can see what the main mapping array holds.
  
  Reviewed by: tuexen@freebsd.org
  MFC after:      2 weeks
  
  Revision  Changes    Path
  1.70      +1 -35     src/sys/netinet/sctp_indata.c
  1.102     +33 -14    src/sys/netinet/sctputil.c
  1.39      +1 -1      src/sys/netinet/sctputil.h