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sctp: fix the processing for INIT chunk
This patch fixes the problems below: 1. In non-shutdown_ack_sent states: in sctp_sf_do_5_1B_init() and sctp_sf_do_5_2_2_dupinit(): chunk length check should be done before any checks that may cause to send abort, as making packet for abort will access the init_tag from init_hdr in sctp_ootb_pkt_new(). 2. In shutdown_ack_sent state: in sctp_sf_do_9_2_reshutack(): The same checks as does in sctp_sf_do_5_2_2_dupinit() is needed for sctp_sf_do_9_2_reshutack(). Fixes: 1da177e ("Linux-2.6.12-rc2") Signed-off-by: Xin Long <[email protected]> Acked-by: Marcelo Ricardo Leitner <[email protected]> Signed-off-by: Jakub Kicinski <[email protected]>
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