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| author | Ryan Libby <rlibby@FreeBSD.org> | 2019-11-25 22:25:34 +0000 |
|---|---|---|
| committer | Ryan Libby <rlibby@FreeBSD.org> | 2019-11-25 22:25:34 +0000 |
| commit | 200f3ac6f76e1bc0d601e9269db8de4ccc1d1de9 (patch) | |
| tree | cfd7def87ca9fd1fcfd9f9d29145af36b9d4c9cf /sys/netinet/in_mcast.c | |
| parent | 6afe56f9c3acf521f9896cd2a546ce870d9e3a6c (diff) | |
| download | src-200f3ac6f76e1bc0d601e9269db8de4ccc1d1de9.tar.gz src-200f3ac6f76e1bc0d601e9269db8de4ccc1d1de9.zip | |
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
Notes
Notes:
svn path=/head/; revision=355103
Diffstat (limited to 'sys/netinet/in_mcast.c')
| -rw-r--r-- | sys/netinet/in_mcast.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/sys/netinet/in_mcast.c b/sys/netinet/in_mcast.c index 9def61fca96a..bfc5e3b3869a 100644 --- a/sys/netinet/in_mcast.c +++ b/sys/netinet/in_mcast.c @@ -1268,7 +1268,9 @@ in_joingroup_locked(struct ifnet *ifp, const struct in_addr *gina, 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); |