Date: Mon, 25 Nov 2019 22:25:34 +0000 (UTC) From: Ryan Libby <rlibby@FreeBSD.org> To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org Subject: svn commit: r355103 - head/sys/netinet Message-ID: <201911252225.xAPMPYDV077555@repo.freebsd.org>
next in thread | raw e-mail | index | archive | help
Author: rlibby Date: Mon Nov 25 22:25:34 2019 New Revision: 355103 URL: https://svnweb.freebsd.org/changeset/base/355103 Log: in_mcast.c: need if_addr_lock around inm_release_deferred Apply a similar fix as for in6_mcast.c. Reviewed by: hselasky Sponsored by: Dell EMC Isilon Differential Revision: https://reviews.freebsd.org/D20740 Modified: head/sys/netinet/in_mcast.c Modified: head/sys/netinet/in_mcast.c ============================================================================== --- head/sys/netinet/in_mcast.c Mon Nov 25 22:25:10 2019 (r355102) +++ head/sys/netinet/in_mcast.c Mon Nov 25 22:25:34 2019 (r355103) @@ -1268,7 +1268,9 @@ in_joingroup_locked(struct ifnet *ifp, const struct in 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 @@ out_inp_unlocked: 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);
Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?201911252225.xAPMPYDV077555>