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-rw-r--r--net/sctp/sm_statefuns.c17
1 files changed, 16 insertions, 1 deletions
diff --git a/net/sctp/sm_statefuns.c b/net/sctp/sm_statefuns.c
index 177528ed3e1b..385f1757158a 100644
--- a/net/sctp/sm_statefuns.c
+++ b/net/sctp/sm_statefuns.c
@@ -5176,7 +5176,22 @@ static struct sctp_packet *sctp_ootb_pkt_new(const struct sctp_association *asoc
* association exists, otherwise, use the peer's vtag.
*/
if (asoc) {
- vtag = asoc->peer.i.init_tag;
+ /* Special case the INIT-ACK as there is no peer's vtag
+ * yet.
+ */
+ switch(chunk->chunk_hdr->type) {
+ case SCTP_CID_INIT_ACK:
+ {
+ sctp_initack_chunk_t *initack;
+
+ initack = (sctp_initack_chunk_t *)chunk->chunk_hdr;
+ vtag = ntohl(initack->init_hdr.init_tag);
+ break;
+ }
+ default:
+ vtag = asoc->peer.i.init_tag;
+ break;
+ }
} else {
/* Special case the INIT and stale COOKIE_ECHO as there is no
* vtag yet.