net dst: fix percpu_counter list corruption and poison overwritten

[GitHub/mt8127/android_kernel_alcatel_ttab.git] / net / ipv6 / route.c

diff --git a/net/ipv6/route.c b/net/ipv6/route.c
index 25661f968f3fb2c2976575f4233fd03c42edb863..fc328339be99f5c0c1fe5ffcb484e72b51b63e90 100644 (file)
--- a/net/ipv6/route.c
+++ b/net/ipv6/route.c
@@ -2741,6 +2741,7 @@ static void __net_exit ip6_route_net_exit(struct net *net)
        kfree(net->ipv6.ip6_prohibit_entry);
        kfree(net->ipv6.ip6_blk_hole_entry);
 #endif
+       dst_entries_destroy(&net->ipv6.ip6_dst_ops);
 }
 
 static struct pernet_operations ip6_route_net_ops = {
@@ -2832,5 +2833,6 @@ void ip6_route_cleanup(void)
        xfrm6_fini();
        fib6_gc_cleanup();
        unregister_pernet_subsys(&ip6_route_net_ops);
+       dst_entries_destroy(&ip6_dst_blackhole_ops);
        kmem_cache_destroy(ip6_dst_ops_template.kmem_cachep);
 }