diff --git a/sys/netinet/sctp_indata.c b/sys/netinet/sctp_indata.c
index 96e9713c3863..b4a0d089bf63 100644
--- a/sys/netinet/sctp_indata.c
+++ b/sys/netinet/sctp_indata.c
@@ -4221,19 +4221,15 @@ sctp_express_handle_sack(struct sctp_tcb *stcb, uint32_t cumack,
 		abort_out_now:
 				*abort_now = 1;
 				/* XXX */
-				oper = sctp_get_mbuf_for_msg((sizeof(struct sctp_paramhdr) + sizeof(uint32_t)),
+				oper = sctp_get_mbuf_for_msg(sizeof(struct sctp_paramhdr),
 				    0, M_NOWAIT, 1, MT_DATA);
 				if (oper) {
 					struct sctp_paramhdr *ph;
-					uint32_t *ippp;
 
-					SCTP_BUF_LEN(oper) = sizeof(struct sctp_paramhdr) +
-					    sizeof(uint32_t);
+					SCTP_BUF_LEN(oper) = sizeof(struct sctp_paramhdr);
 					ph = mtod(oper, struct sctp_paramhdr *);
 					ph->param_type = htons(SCTP_CAUSE_USER_INITIATED_ABT);
 					ph->param_length = htons(SCTP_BUF_LEN(oper));
-					ippp = (uint32_t *) (ph + 1);
-					*ippp = htonl(SCTP_FROM_SCTP_INDATA + SCTP_LOC_24);
 				}
 				stcb->sctp_ep->last_abort_code = SCTP_FROM_SCTP_INDATA + SCTP_LOC_24;
 				sctp_abort_an_association(stcb->sctp_ep, stcb, oper, SCTP_SO_NOT_LOCKED);
@@ -4953,19 +4949,15 @@ sctp_handle_sack(struct mbuf *m, int offset_seg, int offset_dup,
 		abort_out_now:
 				*abort_now = 1;
 				/* XXX */
-				oper = sctp_get_mbuf_for_msg((sizeof(struct sctp_paramhdr) + sizeof(uint32_t)),
+				oper = sctp_get_mbuf_for_msg(sizeof(struct sctp_paramhdr),
 				    0, M_NOWAIT, 1, MT_DATA);
 				if (oper) {
 					struct sctp_paramhdr *ph;
-					uint32_t *ippp;
 
-					SCTP_BUF_LEN(oper) = sizeof(struct sctp_paramhdr) +
-					    sizeof(uint32_t);
+					SCTP_BUF_LEN(oper) = sizeof(struct sctp_paramhdr);
 					ph = mtod(oper, struct sctp_paramhdr *);
 					ph->param_type = htons(SCTP_CAUSE_USER_INITIATED_ABT);
 					ph->param_length = htons(SCTP_BUF_LEN(oper));
-					ippp = (uint32_t *) (ph + 1);
-					*ippp = htonl(SCTP_FROM_SCTP_INDATA + SCTP_LOC_31);
 				}
 				stcb->sctp_ep->last_abort_code = SCTP_FROM_SCTP_INDATA + SCTP_LOC_31;
 				sctp_abort_an_association(stcb->sctp_ep, stcb, oper, SCTP_SO_NOT_LOCKED);
diff --git a/sys/netinet/sctp_output.c b/sys/netinet/sctp_output.c
index 222153219811..ed5d767e57d8 100644
--- a/sys/netinet/sctp_output.c
+++ b/sys/netinet/sctp_output.c
@@ -6442,7 +6442,7 @@ sctp_sendall_iterator(struct sctp_inpcb *inp, struct sctp_tcb *stcb, void *ptr,
 			if (m) {
 				ph = mtod(m, struct sctp_paramhdr *);
 				ph->param_type = htons(SCTP_CAUSE_USER_INITIATED_ABT);
-				ph->param_length = htons(ca->sndlen);
+				ph->param_length = htons(sizeof(struct sctp_paramhdr) + ca->sndlen);
 			}
 			/*
 			 * We add one here to keep the assoc from
@@ -12498,7 +12498,7 @@ sctp_lower_sosend(struct socket *so,
 			/* now move forward the data pointer */
 			ph = mtod(mm, struct sctp_paramhdr *);
 			ph->param_type = htons(SCTP_CAUSE_USER_INITIATED_ABT);
-			ph->param_length = htons((sizeof(struct sctp_paramhdr) + tot_out));
+			ph->param_length = htons(sizeof(struct sctp_paramhdr) + tot_out);
 			ph++;
 			SCTP_BUF_LEN(mm) = tot_out + sizeof(struct sctp_paramhdr);
 			if (top == NULL) {
diff --git a/sys/netinet/sctp_pcb.c b/sys/netinet/sctp_pcb.c
index a2eb8051755f..f1ab1af0e2a0 100644
--- a/sys/netinet/sctp_pcb.c
+++ b/sys/netinet/sctp_pcb.c
@@ -3308,22 +3308,16 @@ sctp_inpcb_free(struct sctp_inpcb *inp, int immediate, int from)
 				/* Left with Data unread */
 				struct mbuf *op_err;
 
-				op_err = sctp_get_mbuf_for_msg((sizeof(struct sctp_paramhdr) + sizeof(uint32_t)),
+				op_err = sctp_get_mbuf_for_msg(sizeof(struct sctp_paramhdr),
 				    0, M_NOWAIT, 1, MT_DATA);
 				if (op_err) {
 					/* Fill in the user initiated abort */
 					struct sctp_paramhdr *ph;
-					uint32_t *ippp;
 
-					SCTP_BUF_LEN(op_err) =
-					    sizeof(struct sctp_paramhdr) + sizeof(uint32_t);
-					ph = mtod(op_err,
-					    struct sctp_paramhdr *);
-					ph->param_type = htons(
-					    SCTP_CAUSE_USER_INITIATED_ABT);
+					SCTP_BUF_LEN(op_err) = sizeof(struct sctp_paramhdr);
+					ph = mtod(op_err, struct sctp_paramhdr *);
+					ph->param_type = htons(SCTP_CAUSE_USER_INITIATED_ABT);
 					ph->param_length = htons(SCTP_BUF_LEN(op_err));
-					ippp = (uint32_t *) (ph + 1);
-					*ippp = htonl(SCTP_FROM_SCTP_PCB + SCTP_LOC_3);
 				}
 				asoc->sctp_ep->last_abort_code = SCTP_FROM_SCTP_PCB + SCTP_LOC_3;
 				sctp_send_abort_tcb(asoc, op_err, SCTP_SO_LOCKED);
@@ -3395,7 +3389,7 @@ sctp_inpcb_free(struct sctp_inpcb *inp, int immediate, int from)
 					struct mbuf *op_err;
 
 			abort_anyway:
-					op_err = sctp_get_mbuf_for_msg((sizeof(struct sctp_paramhdr) + sizeof(uint32_t)),
+					op_err = sctp_get_mbuf_for_msg(sizeof(struct sctp_paramhdr),
 					    0, M_NOWAIT, 1, MT_DATA);
 					if (op_err) {
 						/*
@@ -3403,18 +3397,11 @@ sctp_inpcb_free(struct sctp_inpcb *inp, int immediate, int from)
 						 * initiated abort
 						 */
 						struct sctp_paramhdr *ph;
-						uint32_t *ippp;
 
-						SCTP_BUF_LEN(op_err) =
-						    (sizeof(struct sctp_paramhdr) +
-						    sizeof(uint32_t));
-						ph = mtod(op_err,
-						    struct sctp_paramhdr *);
-						ph->param_type = htons(
-						    SCTP_CAUSE_USER_INITIATED_ABT);
+						SCTP_BUF_LEN(op_err) = sizeof(struct sctp_paramhdr);
+						ph = mtod(op_err, struct sctp_paramhdr *);
+						ph->param_type = htons(SCTP_CAUSE_USER_INITIATED_ABT);
 						ph->param_length = htons(SCTP_BUF_LEN(op_err));
-						ippp = (uint32_t *) (ph + 1);
-						*ippp = htonl(SCTP_FROM_SCTP_PCB + SCTP_LOC_5);
 					}
 					asoc->sctp_ep->last_abort_code = SCTP_FROM_SCTP_PCB + SCTP_LOC_5;
 					sctp_send_abort_tcb(asoc, op_err, SCTP_SO_LOCKED);
@@ -3478,23 +3465,17 @@ sctp_inpcb_free(struct sctp_inpcb *inp, int immediate, int from)
 		if ((SCTP_GET_STATE(&asoc->asoc) != SCTP_STATE_COOKIE_WAIT) &&
 		    ((asoc->asoc.state & SCTP_STATE_ABOUT_TO_BE_FREED) == 0)) {
 			struct mbuf *op_err;
-			uint32_t *ippp;
 
-			op_err = sctp_get_mbuf_for_msg((sizeof(struct sctp_paramhdr) + sizeof(uint32_t)),
+			op_err = sctp_get_mbuf_for_msg(sizeof(struct sctp_paramhdr),
 			    0, M_NOWAIT, 1, MT_DATA);
 			if (op_err) {
 				/* Fill in the user initiated abort */
 				struct sctp_paramhdr *ph;
 
-				SCTP_BUF_LEN(op_err) = (sizeof(struct sctp_paramhdr) +
-				    sizeof(uint32_t));
+				SCTP_BUF_LEN(op_err) = sizeof(struct sctp_paramhdr);
 				ph = mtod(op_err, struct sctp_paramhdr *);
-				ph->param_type = htons(
-				    SCTP_CAUSE_USER_INITIATED_ABT);
+				ph->param_type = htons(SCTP_CAUSE_USER_INITIATED_ABT);
 				ph->param_length = htons(SCTP_BUF_LEN(op_err));
-				ippp = (uint32_t *) (ph + 1);
-				*ippp = htonl(SCTP_FROM_SCTP_PCB + SCTP_LOC_7);
-
 			}
 			asoc->sctp_ep->last_abort_code = SCTP_FROM_SCTP_PCB + SCTP_LOC_7;
 			sctp_send_abort_tcb(asoc, op_err, SCTP_SO_LOCKED);
diff --git a/sys/netinet/sctp_usrreq.c b/sys/netinet/sctp_usrreq.c
index 2b3bf7921bb7..5330df1011bb 100644
--- a/sys/netinet/sctp_usrreq.c
+++ b/sys/netinet/sctp_usrreq.c
@@ -854,7 +854,7 @@ sctp_disconnect(struct socket *so)
 					struct mbuf *op_err;
 
 			abort_anyway:
-					op_err = sctp_get_mbuf_for_msg((sizeof(struct sctp_paramhdr) + sizeof(uint32_t)),
+					op_err = sctp_get_mbuf_for_msg(sizeof(struct sctp_paramhdr),
 					    0, M_NOWAIT, 1, MT_DATA);
 					if (op_err) {
 						/*
@@ -862,17 +862,11 @@ sctp_disconnect(struct socket *so)
 						 * initiated abort
 						 */
 						struct sctp_paramhdr *ph;
-						uint32_t *ippp;
 
-						SCTP_BUF_LEN(op_err) =
-						    (sizeof(struct sctp_paramhdr) + sizeof(uint32_t));
-						ph = mtod(op_err,
-						    struct sctp_paramhdr *);
-						ph->param_type = htons(
-						    SCTP_CAUSE_USER_INITIATED_ABT);
+						SCTP_BUF_LEN(op_err) = sizeof(struct sctp_paramhdr);
+						ph = mtod(op_err, struct sctp_paramhdr *);
+						ph->param_type = htons(SCTP_CAUSE_USER_INITIATED_ABT);
 						ph->param_length = htons(SCTP_BUF_LEN(op_err));
-						ippp = (uint32_t *) (ph + 1);
-						*ippp = htonl(SCTP_FROM_SCTP_USRREQ + SCTP_LOC_4);
 					}
 					stcb->sctp_ep->last_abort_code = SCTP_FROM_SCTP_USRREQ + SCTP_LOC_4;
 					sctp_send_abort_tcb(stcb, op_err, SCTP_SO_LOCKED);
@@ -1069,22 +1063,16 @@ sctp_shutdown(struct socket *so)
 				struct mbuf *op_err;
 
 		abort_anyway:
-				op_err = sctp_get_mbuf_for_msg((sizeof(struct sctp_paramhdr) + sizeof(uint32_t)),
+				op_err = sctp_get_mbuf_for_msg(sizeof(struct sctp_paramhdr),
 				    0, M_NOWAIT, 1, MT_DATA);
 				if (op_err) {
 					/* Fill in the user initiated abort */
 					struct sctp_paramhdr *ph;
-					uint32_t *ippp;
 
-					SCTP_BUF_LEN(op_err) =
-					    sizeof(struct sctp_paramhdr) + sizeof(uint32_t);
-					ph = mtod(op_err,
-					    struct sctp_paramhdr *);
-					ph->param_type = htons(
-					    SCTP_CAUSE_USER_INITIATED_ABT);
+					SCTP_BUF_LEN(op_err) = sizeof(struct sctp_paramhdr);
+					ph = mtod(op_err, struct sctp_paramhdr *);
+					ph->param_type = htons(SCTP_CAUSE_USER_INITIATED_ABT);
 					ph->param_length = htons(SCTP_BUF_LEN(op_err));
-					ippp = (uint32_t *) (ph + 1);
-					*ippp = htonl(SCTP_FROM_SCTP_USRREQ + SCTP_LOC_6);
 				}
 				stcb->sctp_ep->last_abort_code = SCTP_FROM_SCTP_USRREQ + SCTP_LOC_6;
 				sctp_abort_an_association(stcb->sctp_ep, stcb,