svn commit: r347121 - stable/12/sys/netinet

[Michael Tuexen]

Author: tuexen
Date: Sat May  4 13:00:39 2019
New Revision: 347121
URL: https://svnweb.freebsd.org/changeset/base/347121

Log:
  MFC r346134:
  Fix an SCTP related locking issue. Don't report that the TCB_SEND_LOCK
  is owned, when it is not.
  
  This issue was found by running syzkaller.

Modified:
  stable/12/sys/netinet/sctputil.c
Directory Properties:
  stable/12/   (props changed)

Modified: stable/12/sys/netinet/sctputil.c
==============================================================================
--- stable/12/sys/netinet/sctputil.c	Sat May  4 12:57:55 2019	(r347120)
+++ stable/12/sys/netinet/sctputil.c	Sat May  4 13:00:39 2019	(r347121)
@@ -3995,7 +3995,7 @@ sctp_abort_notification(struct sctp_tcb *stcb, uint8_t
 		return;
 	}
 	/* Tell them we lost the asoc */
-	sctp_report_all_outbound(stcb, error, 1, so_locked);
+	sctp_report_all_outbound(stcb, error, 0, so_locked);
 	if (from_peer) {
 		sctp_ulp_notify(SCTP_NOTIFY_ASSOC_REM_ABORTED, stcb, error, abort, so_locked);
 	} else {