svn commit: r359156 - head/sys/netinet

[Michael Tuexen]

Author: tuexen
Date: Thu Mar 19 23:07:52 2020
New Revision: 359156
URL: https://svnweb.freebsd.org/changeset/base/359156

Log:
  A a missing NET_EPOCH_ENTER/NET_EPOCH_EXIT pair. This was affecting
  implicit connection setups via sendmsg().
  
  Reported by:		syzbot+febbe3383a0e9b700c1b at syzkaller.appspotmail.com
  Reported by:		syzbot+dca98631455d790223ca at syzkaller.appspotmail.com
  Reported by:		syzbot+5a71a7760d6bcf11b8cd at syzkaller.appspotmail.com
  Reported by:		syzbot+da64217e140444c49f00 at syzkaller.appspotmail.com

Modified:
  head/sys/netinet/sctp_output.c

Modified: head/sys/netinet/sctp_output.c
==============================================================================
--- head/sys/netinet/sctp_output.c	Thu Mar 19 22:33:24 2020	(r359155)
+++ head/sys/netinet/sctp_output.c	Thu Mar 19 23:07:52 2020	(r359156)
@@ -13647,7 +13647,9 @@ skip_out_eof:
 			/* a collision took us forward? */
 			queue_only = 0;
 		} else {
+			NET_EPOCH_ENTER(et);
 			sctp_send_initiate(inp, stcb, SCTP_SO_LOCKED);
+			NET_EPOCH_EXIT(et);
 			SCTP_SET_STATE(stcb, SCTP_STATE_COOKIE_WAIT);
 			queue_only = 1;
 		}