linux-cix

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Pablo Neira Ayuso da2bb8e177 netfilter: nf_tables: use rcu chain hook list iterator from netlink dump path

[ Upstream commit 4ffcf5ca81c3b83180473eb0d3c010a1a7c6c4de ]

Lockless iteration over hook list is possible from netlink dump path,
use rcu variant to iterate over the hook list as is done with flowtable
hooks.

Fixes: b9703ed44f ("netfilter: nf_tables: support for adding new devices to an existing netdev chain")
Reported-by: Phil Sutter <phil@nwl.cc>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>

2024-10-04 16:29:42 +02:00