Neighbor is cloned in xfrm6_fill_dst but seems to never be released. Neighbor etry should be released when XFRM6 dst entry is destroyed in xfrm6_dst_destroy, otherwise references may be kept forever on the device pointed by the neighbor entry. Signed-off-by: Romain Kuntz <r.kuntz@ipflavors.com> --- net/ipv6/xfrm6_policy.c | 2 ++ 1 files changed, 2 insertions(+), 0 deletions(-) diff --git a/net/ipv6/xfrm6_policy.c b/net/ipv6/xfrm6_policy.c index c984413..8f32718 100644 --- a/net/ipv6/xfrm6_policy.c +++ b/net/ipv6/xfrm6_policy.c @@ -236,6 +236,8 @@ static void xfrm6_dst_destroy(struct dst_entry *dst) { struct xfrm_dst *xdst = (struct xfrm_dst *)dst; + if (likely(xdst->u.rt6.n)) + neigh_release(xdst->u.rt6.n); if (likely(xdst->u.rt6.rt6i_idev)) in6_dev_put(xdst->u.rt6.rt6i_idev); dst_destroy_metrics_generic(dst); -- 1.7.2.5