FreeBSD/src 9e44bc2 (r349968)sys/netinet6 udp6_usrreq.c

r348494 fixes a race in udp_output(). The same race exists in
udp_output6(), therefore apply a similar patch to IPv6.

Reported by:            syzbot+c5ffbc8f14294c7b0e54 at syzkaller.appspotmail.com
Reviewed by:            bz@, markj@
MFC after:              2 weeks
Sponsored by:           Netflix, Inc.
Differential Revision:  https://reviews.freebsd.org/D20936
DeltaFile
+15-0sys/netinet6/udp6_usrreq.c
+15-01 files

UnifiedSplitRaw