D20740.id64871.diff
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D20740.id64871.diff
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	Index: head/sys/netinet/in_mcast.c
	===================================================================
	--- head/sys/netinet/in_mcast.c
	+++ head/sys/netinet/in_mcast.c
	@@ -1268,7 +1268,9 @@
	if (error) {

	CTR2(KTR_IGMPV3, "%s: dropping ref on %p", __func__, inm);
	+ IF_ADDR_WLOCK(ifp);
	inm_release_deferred(inm);
	+ IF_ADDR_WUNLOCK(ifp);
	} else {
	*pinm = inm;
	}
	@@ -2247,7 +2249,9 @@
	if (is_new && imf) {
	if (imf->imf_inm != NULL) {
	IN_MULTI_LIST_LOCK();
	+ IF_ADDR_WLOCK(ifp);
	inm_release_deferred(imf->imf_inm);
	+ IF_ADDR_WUNLOCK(ifp);
	IN_MULTI_LIST_UNLOCK();
	}
	ip_mfilter_free(imf);