The SCTP layer in the kernel does not respond to two COOKIE_ECHO packets correctly

Solution Unverified - Updated -

Issue

  • SCTP_darn crashes when it recevies Malformed Cookie_echo Message during the connection establishement phase.

Client                     server                   SCTP_darn
  =======                    =======                  =======
             -----> INIT
             <----- INIT_ACK
             ----->COKIE_ECHO ( malformed) packet)    Restarts
           

Environment

  • Red Hat Enterprise Linux 6.1

  • SCTP networking

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