D61462.1794633296.diff
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	diff --git a/sys/net/if.c b/sys/net/if.c
	--- a/sys/net/if.c
	+++ b/sys/net/if.c
	@@ -1476,19 +1476,20 @@
	int
	if_foreach_group(struct ifnet ifp, if_foreach_group_cb_t cb, void cb_arg)
	{
	+ struct epoch_tracker et;
	struct ifg_list *ifgl;
	int error;

	MPASS(cb);

	error = 0;
	- IFNET_RLOCK();
	+ NET_EPOCH_ENTER(et);
	CK_STAILQ_FOREACH(ifgl, &ifp->if_groups, ifgl_next) {
	error = cb(ifgl->ifgl_group, cb_arg);
	if (error != 0)
	break;
	}
	- IFNET_RUNLOCK();
	+ NET_EPOCH_EXIT(et);

	return (error);
	}