From: Pablo Neira Ayuso pablo@netfilter.org
[ Upstream commit 2c9e4559773c261900c674a86b8e455911675d71 ]
The hook list is used if nft_trans_flowtable_update(trans) == true. However, initialize this list for other cases for safety reasons.
Fixes: 78d9f48f7f44 ("netfilter: nf_tables: add devices to existing flowtable") Signed-off-by: Pablo Neira Ayuso pablo@netfilter.org Signed-off-by: Sasha Levin sashal@kernel.org --- net/netfilter/nf_tables_api.c | 1 + 1 file changed, 1 insertion(+)
diff --git a/net/netfilter/nf_tables_api.c b/net/netfilter/nf_tables_api.c index a7ed8fe46af1..ee7adb42a97d 100644 --- a/net/netfilter/nf_tables_api.c +++ b/net/netfilter/nf_tables_api.c @@ -544,6 +544,7 @@ static int nft_trans_flowtable_add(struct nft_ctx *ctx, int msg_type, if (msg_type == NFT_MSG_NEWFLOWTABLE) nft_activate_next(ctx->net, flowtable);
+ INIT_LIST_HEAD(&nft_trans_flowtable_hooks(trans)); nft_trans_flowtable(trans) = flowtable; nft_trans_commit_list_add_tail(ctx->net, trans);