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netfilter: nf_tables: always initialize flowtable hook list in transaction

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[ 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: 78d9f48f7f ("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>
This commit is contained in:
Pablo Neira Ayuso
2022-06-01 17:49:36 +02:00
committed by Greg Kroah-Hartman
parent 7fd03e34f0
commit ec5548066d
1 changed files with 1 additions and 0 deletions
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net/netfilter/nf_tables_api.c
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@@ -481,6 +481,7 @@ static int nft_trans_flowtable_add(struct nft_ctx *ctx, int msg_type,
if (msg_type == NFT_MSG_NEWFLOWTABLE) if (msg_type == NFT_MSG_NEWFLOWTABLE)
nft_activate_next(ctx->net, flowtable); nft_activate_next(ctx->net, flowtable);
INIT_LIST_HEAD(&nft_trans_flowtable_hooks(trans));
nft_trans_flowtable(trans) = flowtable; nft_trans_flowtable(trans) = flowtable;
list_add_tail(&trans->list, &ctx->net->nft.commit_list); list_add_tail(&trans->list, &ctx->net->nft.commit_list);