Merge git://git.kernel.org/pub/scm/linux/kernel/git/netfilter/nf

Florian Westphal says:

====================
netfilter: conntrack and nf_tables bug fixes

The following patchset contains netfilter fixes for net.

Broken since 5.19:
  A few ancient connection tracking helpers assume TCP packets cannot
  exceed 64kb in size, but this isn't the case anymore with 5.19 when
  BIG TCP got merged, from myself.

Regressions since 5.19:
  1. 'conntrack -E expect' won't display anything because nfnetlink failed
     to enable events for expectations, only for normal conntrack events.

  2. partially revert change that added resched calls to a function that can
     be in atomic context.  Both broken and fixed up by myself.

Broken for several releases (up to original merge of nf_tables):
  Several fixes for nf_tables control plane, from Pablo.
  This fixes up resource leaks in error paths and adds more sanity
  checks for mutually exclusive attributes/flags.

Kconfig:
  NF_CONNTRACK_PROCFS is very old and doesn't provide all info provided
  via ctnetlink, so it should not default to y. From Geert Uytterhoeven.

Selftests:
  rework nft_flowtable.sh: it frequently indicated failure; the way it
  tried to detect an offload failure did not work reliably.

* git://git.kernel.org/pub/scm/linux/kernel/git/netfilter/nf:
  testing: selftests: nft_flowtable.sh: rework test to detect offload failure
  testing: selftests: nft_flowtable.sh: use random netns names
  netfilter: conntrack: NF_CONNTRACK_PROCFS should no longer default to y
  netfilter: nf_tables: check NFT_SET_CONCAT flag if field_count is specified
  netfilter: nf_tables: disallow NFT_SET_ELEM_CATCHALL and NFT_SET_ELEM_INTERVAL_END
  netfilter: nf_tables: NFTA_SET_ELEM_KEY_END requires concat and interval flags
  netfilter: nf_tables: validate NFTA_SET_ELEM_OBJREF based on NFT_SET_OBJECT flag
  netfilter: nf_tables: really skip inactive sets when allocating name
  netfilter: nfnetlink: re-enable conntrack expectation events
  netfilter: nf_tables: fix scheduling-while-atomic splat
  netfilter: nf_ct_irc: cap packet search space to 4k
  netfilter: nf_ct_ftp: prefer skb_linearize
  netfilter: nf_ct_h323: cap packet size at 64k
  netfilter: nf_ct_sane: remove pseudo skb linearization
  netfilter: nf_tables: possible module reference underflow in error path
  netfilter: nf_tables: disallow NFTA_SET_ELEM_KEY_END with NFT_SET_ELEM_INTERVAL_END flag
  netfilter: nf_tables: use READ_ONCE and WRITE_ONCE for shared generation id access
====================

Link: https://lore.kernel.org/r/20220817140015.25843-1-fw@strlen.de
Signed-off-by: Jakub Kicinski <kuba@kernel.org>

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