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authortuexen <tuexen@FreeBSD.org>2015-05-29 13:13:12 +0000
committertuexen <tuexen@FreeBSD.org>2015-05-29 13:13:12 +0000
commitd8c5ad4ada6fae7033eba310f4ab9c58f72402bf (patch)
treeb3ae33ce76036866ce5e1fd074622e895252856f /sys/netinet/sctp_indata.c
parentae995cba1559aaf47b84e218b91a8041505f681c (diff)
downloadFreeBSD-src-d8c5ad4ada6fae7033eba310f4ab9c58f72402bf.zip
FreeBSD-src-d8c5ad4ada6fae7033eba310f4ab9c58f72402bf.tar.gz
MFC r280440:
Fix the bug in the handling of fragmented abandoned SCTP user messages reported in https://code.google.com/p/sctp-refimpl/issues/detail?id=11 Thanks to Lally Singh for reporting it.
Diffstat (limited to 'sys/netinet/sctp_indata.c')
-rw-r--r--sys/netinet/sctp_indata.c8
1 files changed, 5 insertions, 3 deletions
diff --git a/sys/netinet/sctp_indata.c b/sys/netinet/sctp_indata.c
index 5a70615..ea3d3e7 100644
--- a/sys/netinet/sctp_indata.c
+++ b/sys/netinet/sctp_indata.c
@@ -2597,12 +2597,14 @@ sctp_process_segment_range(struct sctp_tcb *stcb, struct sctp_tmit_chunk **p_tp1
* cumack trackers for first transmissions,
* and retransmissions.
*/
- if ((tp1->whoTo->find_pseudo_cumack == 1) && (tp1->sent < SCTP_DATAGRAM_RESEND) &&
+ if ((tp1->sent < SCTP_DATAGRAM_RESEND) &&
+ (tp1->whoTo->find_pseudo_cumack == 1) &&
(tp1->snd_count == 1)) {
tp1->whoTo->pseudo_cumack = tp1->rec.data.TSN_seq;
tp1->whoTo->find_pseudo_cumack = 0;
}
- if ((tp1->whoTo->find_rtx_pseudo_cumack == 1) && (tp1->sent < SCTP_DATAGRAM_RESEND) &&
+ if ((tp1->sent < SCTP_DATAGRAM_RESEND) &&
+ (tp1->whoTo->find_rtx_pseudo_cumack == 1) &&
(tp1->snd_count > 1)) {
tp1->whoTo->rtx_pseudo_cumack = tp1->rec.data.TSN_seq;
tp1->whoTo->find_rtx_pseudo_cumack = 0;
@@ -3512,7 +3514,7 @@ sctp_window_probe_recovery(struct sctp_tcb *stcb,
if ((tp1->sent >= SCTP_DATAGRAM_ACKED) || (tp1->data == NULL)) {
/* TSN's skipped we do NOT move back. */
sctp_misc_ints(SCTP_FLIGHT_LOG_DWN_WP_FWD,
- tp1->whoTo->flight_size,
+ tp1->whoTo ? tp1->whoTo->flight_size : 0,
tp1->book_size,
(uintptr_t) tp1->whoTo,
tp1->rec.data.TSN_seq);
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