Author: tuexen
Date: Sun May 6 14:19:50 2018
New Revision: 333304
URL: https://svnweb.freebsd.org/changeset/base/333304
Log:
Ensure we are not dereferencing a NULL pointer.
This was found by Coverity scanning the usrsctp stack (CID 203808).
MFC after: 3 days
Modified:
head/sys/netinet/sctp_indata.c
Modified: head/sys/netinet/sctp_indata.c
==============================================================================
--- head/sys/netinet/sctp_indata.c Sun May 6 13:59:56 2018
(r333303)
+++ head/sys/netinet/sctp_indata.c Sun May 6 14:19:50 2018
(r333304)
@@ -3621,7 +3621,9 @@ sctp_strike_gap_ack_chunks(struct sctp_tcb *stcb, stru
SCTP_SO_NOT_LOCKED);
}
/* Make sure to flag we had a FR */
- tp1->whoTo->net_ack++;
+ if (tp1->whoTo != NULL) {
+ tp1->whoTo->net_ack++;
+ }
continue;
}
}
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