netfilter: nf_tables: reject unbound chain set before commit phase

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[ Upstream commit 62e1e94b24 ]

Use binding list to track set transaction and to check for unbound
chains before entering the commit phase.

Bail out if chain binding remain unused before entering the commit
step.

Fixes: d0e2c7de92 ("netfilter: nf_tables: add NFT_CHAIN_BINDING")
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>

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Pablo Neira Ayuso 2023-06-16 15:21:39 +02:00 • committed by Greg Kroah-Hartman

parent 46f801ab5f

commit c34b220385

1 changed files with 13 additions and 0 deletions

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net/netfilter/nf_tables_api.c

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