Author: tuexen
Date: Sat Apr 7 19:42:53 2018
New Revision: 332211
URL: https://svnweb.freebsd.org/changeset/base/332211
Log:
MFC r324317:
Ensure that the accept ABORT chunks with the T-bit set only the
a non-zero matching peer tag is provided.
Modified:
stable/11/sys/netinet/sctp_input.c
Directory Properties:
stable/11/ (props changed)
Modified: stable/11/sys/netinet/sctp_input.c
==============================================================================
--- stable/11/sys/netinet/sctp_input.c Sat Apr 7 19:40:48 2018
(r332210)
+++ stable/11/sys/netinet/sctp_input.c Sat Apr 7 19:42:53 2018
(r332211)
@@ -4676,6 +4676,7 @@ sctp_process_control(struct mbuf *m, int iphlen, int *
if ((((ch->chunk_flags & SCTP_HAD_NO_TCB) == 0) &&
(vtag_in == asoc->my_vtag)) ||
(((ch->chunk_flags & SCTP_HAD_NO_TCB) ==
SCTP_HAD_NO_TCB) &&
+ (asoc->peer_vtag != htonl(0)) &&
(vtag_in == asoc->peer_vtag))) {
/* this is valid */
} else {
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