From: Pablo Neira Ayuso <pablo@netfilter.org>
To: netfilter-devel@vger.kernel.org
Cc: gregkh@linuxfoundation.org, stable@vger.kernel.org, sashal@kernel.org
Subject: [PATCH -stable,5.10 v3 10/11] netfilter: nf_tables: unbind non-anonymous set if rule construction fails
Date: Thu, 13 Jul 2023 10:48:58 +0200 [thread overview]
Message-ID: <20230713084859.71541-11-pablo@netfilter.org> (raw)
In-Reply-To: <20230713084859.71541-1-pablo@netfilter.org>
[ Upstream commit 3e70489721b6c870252c9082c496703677240f53 ]
Otherwise a dangling reference to a rule object that is gone remains
in the set binding list.
Fixes: 26b5a5712eb8 ("netfilter: nf_tables: add NFT_TRANS_PREPARE_ERROR to deal with bound set/chain")
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
---
net/netfilter/nf_tables_api.c | 2 ++
1 file changed, 2 insertions(+)
diff --git a/net/netfilter/nf_tables_api.c b/net/netfilter/nf_tables_api.c
index 6f6e8c567892..25b834868eac 100644
--- a/net/netfilter/nf_tables_api.c
+++ b/net/netfilter/nf_tables_api.c
@@ -4689,6 +4689,8 @@ void nf_tables_deactivate_set(const struct nft_ctx *ctx, struct nft_set *set,
nft_set_trans_unbind(ctx, set);
if (nft_set_is_anonymous(set))
nft_deactivate_next(ctx->net, set);
+ else
+ list_del_rcu(&binding->list);
set->use--;
break;
--
2.30.2
next prev parent reply other threads:[~2023-07-13 8:49 UTC|newest]
Thread overview: 14+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-07-13 8:48 [PATCH -stable,5.10 v3 00/11] Netfilter stable fixes for 5.10 Pablo Neira Ayuso
2023-07-13 8:48 ` [PATCH -stable,5.10 v3 01/11] netfilter: nf_tables: use net_generic infra for transaction data Pablo Neira Ayuso
2023-07-16 19:18 ` Greg KH
2023-07-16 19:19 ` Greg KH
2023-07-13 8:48 ` [PATCH -stable,5.10 v3 02/11] netfilter: nf_tables: add rescheduling points during loop detection walks Pablo Neira Ayuso
2023-07-13 8:48 ` [PATCH -stable,5.10 v3 03/11] netfilter: nf_tables: incorrect error path handling with NFT_MSG_NEWRULE Pablo Neira Ayuso
2023-07-13 8:48 ` [PATCH -stable,5.10 v3 04/11] netfilter: nf_tables: fix chain binding transaction logic Pablo Neira Ayuso
2023-07-13 8:48 ` [PATCH -stable,5.10 v3 05/11] netfilter: nf_tables: add NFT_TRANS_PREPARE_ERROR to deal with bound set/chain Pablo Neira Ayuso
2023-07-13 8:48 ` [PATCH -stable,5.10 v3 06/11] netfilter: nf_tables: reject unbound anonymous set before commit phase Pablo Neira Ayuso
2023-07-13 8:48 ` [PATCH -stable,5.10 v3 07/11] netfilter: nf_tables: reject unbound chain " Pablo Neira Ayuso
2023-07-13 8:48 ` [PATCH -stable,5.10 v3 08/11] netfilter: nftables: rename set element data activation/deactivation functions Pablo Neira Ayuso
2023-07-13 8:48 ` [PATCH -stable,5.10 v3 09/11] netfilter: nf_tables: drop map element references from preparation phase Pablo Neira Ayuso
2023-07-13 8:48 ` Pablo Neira Ayuso [this message]
2023-07-13 8:48 ` [PATCH -stable,5.10 v3 11/11] netfilter: nf_tables: fix scheduling-while-atomic splat Pablo Neira Ayuso
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