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Merge tag 'nf-24-02-29' of git://git.kernel.org/pub/scm/linux/kernel/git/netfilter/nf
Pablo Neira Ayuso says:
====================
Netfilter fixes for net
Patch #1 restores NFPROTO_INET with nft_compat, from Ignat Korchagin.
Patch #2 fixes an issue with bridge netfilter and broadcast/multicast
packets.
There is a day 0 bug in br_netfilter when used with connection tracking.
Conntrack assumes that an nf_conn structure that is not yet added to
hash table ("unconfirmed"), is only visible by the current cpu that is
processing the sk_buff.
For bridge this isn't true, sk_buff can get cloned in between, and
clones can be processed in parallel on different cpu.
This patch disables NAT and conntrack helpers for multicast packets.
Patch #3 adds a selftest to cover for the br_netfilter bug.
netfilter pull request 24-02-29
* tag 'nf-24-02-29' of git://git.kernel.org/pub/scm/linux/kernel/git/netfilter/nf:
selftests: netfilter: add bridge conntrack + multicast test case
netfilter: bridge: confirm multicast packets before passing them up the stack
netfilter: nf_tables: allow NFPROTO_INET in nft_(match/target)_validate()
====================
Link: https://lore.kernel.org/r/20240229000135.8780-1-pablo@netfilter.org
Signed-off-by: Paolo Abeni <pabeni@redhat.com>