svn commit: r334734 - releng/11.2/sys/netinet

Michael Tuexen tuexen at FreeBSD.org
Wed Jun 6 20:28:18 UTC 2018


Author: tuexen
Date: Wed Jun  6 20:28:17 2018
New Revision: 334734
URL: https://svnweb.freebsd.org/changeset/base/334734

Log:
  MFstable/11 r334728:
  
  Ensure we are not dereferencing a NULL pointer.
  
  CID:		1385266
  Approved by: re (marius@)

Modified:
  releng/11.2/sys/netinet/sctp_indata.c
Directory Properties:
  releng/11.2/   (props changed)

Modified: releng/11.2/sys/netinet/sctp_indata.c
==============================================================================
--- releng/11.2/sys/netinet/sctp_indata.c	Wed Jun  6 20:09:21 2018	(r334733)
+++ releng/11.2/sys/netinet/sctp_indata.c	Wed Jun  6 20:28:17 2018	(r334734)
@@ -3619,7 +3619,9 @@ 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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