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-rw-r--r--net/netfilter/nf_tables_api.c8
1 files changed, 6 insertions, 2 deletions
diff --git a/net/netfilter/nf_tables_api.c b/net/netfilter/nf_tables_api.c
index 53b8c00863ad..f11d0c0a2c73 100644
--- a/net/netfilter/nf_tables_api.c
+++ b/net/netfilter/nf_tables_api.c
@@ -7611,7 +7611,7 @@ static const struct nft_object_type *__nft_obj_type_get(u32 objtype, u8 family)
{
const struct nft_object_type *type;
- list_for_each_entry(type, &nf_tables_objects, list) {
+ list_for_each_entry_rcu(type, &nf_tables_objects, list) {
if (type->family != NFPROTO_UNSPEC &&
type->family != family)
continue;
@@ -7627,9 +7627,13 @@ nft_obj_type_get(struct net *net, u32 objtype, u8 family)
{
const struct nft_object_type *type;
+ rcu_read_lock();
type = __nft_obj_type_get(objtype, family);
- if (type != NULL && try_module_get(type->owner))
+ if (type != NULL && try_module_get(type->owner)) {
+ rcu_read_unlock();
return type;
+ }
+ rcu_read_unlock();
lockdep_nfnl_nft_mutex_not_held();
#ifdef CONFIG_MODULES