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sctp: improve handling of SHUTDOWN and SHUTDOWN ACK chunks

Description

sctp: improve handling of SHUTDOWN and SHUTDOWN ACK chunks

When handling a SHUTDOWN or SHUTDOWN ACK chunk detect if the peer
is violating the protocol by not having made sure all user messages
are reveived by the peer. If this situation is detected, abort the
association.

(cherry picked from commit d18c845f99cbd2d3c0e70b3b9b09d80c655b6fb6)

Details

Provenance
tuexenAuthored on Aug 23 2023, 6:36 AM
Parents
rGeb62bba325f3: sctp: fix a warning
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