Merge tag 'nf-23-08-16' of https://git.kernel.org/pub/scm/linux/kernel/git/netfilter/nf

Florisn Westphal says:

====================
These are netfilter fixes for the *net* tree.

First patch resolves a false-positive lockdep splat:
rcu_dereference is used outside of rcu read lock.  Let lockdep
validate that the transaction mutex is locked.

Second patch fixes a kdoc warning added in previous PR.

Third patch fixes a memory leak:
The catchall element isn't disabled correctly, this allows
userspace to deactivate the element again. This results in refcount
underflow which in turn prevents memory release. This was always
broken since the feature was added in 5.13.

Patch 4 fixes an incorrect change in the previous pull request:
Adding a duplicate key to a set should work if the duplicate key
has expired, restore this behaviour. All from myself.

Patch #5 resolves an old historic artifact in sctp conntrack:
a 300ms timeout for shutdown_ack. Increase this to 3s.  From Xin Long.

Patch #6 fixes a sysctl data race in ipvs, two threads can clobber the
sysctl value, from Sishuai Gong. This is a day-0 bug that predates git
history.

Patches 7, 8 and 9, from Pablo Neira Ayuso, are also followups
for the previous GC rework in nf_tables: The netlink notifier and the
netns exit path must both increment the gc worker seqcount, else worker
may encounter stale (free'd) pointers.
================

Signed-off-by: David S. Miller <davem@davemloft.net>

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