Date: Wed, 6 Jun 2018 19:51:55 +0000 (UTC) From: Michael Tuexen <tuexen@FreeBSD.org> To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-stable@freebsd.org, svn-src-stable-11@freebsd.org Subject: svn commit: r334728 - stable/11/sys/netinet Message-ID: <201806061951.w56Jptf2004493@repo.freebsd.org>
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Author: tuexen Date: Wed Jun 6 19:51:55 2018 New Revision: 334728 URL: https://svnweb.freebsd.org/changeset/base/334728 Log: MFC r333304: Ensure we are not dereferencing a NULL pointer. CID: 1385266 Modified: stable/11/sys/netinet/sctp_indata.c Directory Properties: stable/11/ (props changed) Modified: stable/11/sys/netinet/sctp_indata.c ============================================================================== --- stable/11/sys/netinet/sctp_indata.c Wed Jun 6 19:48:39 2018 (r334727) +++ stable/11/sys/netinet/sctp_indata.c Wed Jun 6 19:51:55 2018 (r334728) @@ -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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