Merge tag 'nf-23-08-23' of ssh://gitolite.kernel.org/pub/scm/linux/kernel/git/netfilter/nf

Florian Westphal says:

====================
netfilter updates for net

This PR contains nf_tables updates for your *net* tree.

First patch fixes table validation, I broke this in 6.4 when tracking
validation state per table, reported by Pablo, fixup from myself.

Second patch makes sure objects waiting for memory release have been
released, this was broken in 6.1, patch from Pablo Neira Ayuso.

Patch three is a fix-for-fix from previous PR: In case a transaction
gets aborted, gc sequence counter needs to be incremented so pending
gc requests are invalidated, from Pablo.

Same for patch 4: gc list needs to use gc list lock, not destroy lock,
also from Pablo.

Patch 5 fixes a UaF in a set backend, but this should only occur when
failslab is enabled for GFP_KERNEL allocations, broken since feature
was added in 5.6, from myself.

Patch 6 fixes a double-free bug that was also added via previous PR:
We must not schedule gc work if the previous batch is still queued.

netfilter pull request 2023-08-23

* tag 'nf-23-08-23' of ssh://gitolite.kernel.org/pub/scm/linux/kernel/git/netfilter/nf:
  netfilter: nf_tables: defer gc run if previous batch is still pending
  netfilter: nf_tables: fix out of memory error handling
  netfilter: nf_tables: use correct lock to protect gc_list
  netfilter: nf_tables: GC transaction race with abort path
  netfilter: nf_tables: flush pending destroy work before netlink notifier
  netfilter: nf_tables: validate all pending tables
====================

Link: https://lore.kernel.org/r/20230823152711.15279-1-fw@strlen.de
Signed-off-by: Paolo Abeni <pabeni@redhat.com>

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