K 10
svn:author
V 5
markj
K 8
svn:date
V 27
2018-09-10T19:00:29.587595Z
K 7
svn:log
V 480
Fix synchronization of LB group access.

Lookups are protected by an epoch section, so the LB group linkage must
be a CK_LIST rather than a plain LIST.  Furthermore, we were not
deferring LB group frees, so in_pcbremlbgrouphash() could race with
readers and cause a use-after-free.

Reviewed by:	sbruno, Johannes Lundberg <johalun0@gmail.com>
Tested by:	gallatin
Approved by:	re (gjb)
Sponsored by:	The FreeBSD Foundation
Differential Revision:	https://reviews.freebsd.org/D17031

END