diff options
| author | Jozsef Kadlecsik <kadlec@blackhole.kfki.hu> | 2018-01-04 14:15:22 +0100 |
|---|---|---|
| committer | Jozsef Kadlecsik <kadlec@blackhole.kfki.hu> | 2018-01-04 14:15:22 +0100 |
| commit | 7527bd335b6384ae59a86c11f643ec5ff488831c (patch) | |
| tree | cfffe1627f13c0549879386082c74394124a3699 | |
| parent | d48dc4ab9013023f9d6f545fa8af10951f38917f (diff) | |
Missing nfnl_lock()/nfnl_unlock() is added to ip_set_net_exit()
Patch "netfilter: ipset: use nfnl_mutex_is_locked" is added the real
mutex locking check, which revealed the missing locking in ip_set_net_exit().
| -rw-r--r-- | kernel/net/netfilter/ipset/ip_set_core.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/kernel/net/netfilter/ipset/ip_set_core.c b/kernel/net/netfilter/ipset/ip_set_core.c index 6fbbaea..31704e8 100644 --- a/kernel/net/netfilter/ipset/ip_set_core.c +++ b/kernel/net/netfilter/ipset/ip_set_core.c @@ -2130,6 +2130,7 @@ ip_set_net_exit(struct net *net) inst->is_deleted = true; /* flag for ip_set_nfnl_put */ + nfnl_lock(NFNL_SUBSYS_IPSET); for (i = 0; i < inst->ip_set_max; i++) { set = ip_set(inst, i); if (set) { @@ -2137,6 +2138,7 @@ ip_set_net_exit(struct net *net) ip_set_destroy_set(set); } } + nfnl_unlock(NFNL_SUBSYS_IPSET); kfree(rcu_dereference_protected(inst->ip_set_list, 1)); #ifndef HAVE_NET_OPS_ID kfree(inst); |