[PATCH -stable,4.19.x 10/40] netfilter: nf_tables: GC transaction API to avoid race with control plane

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Subject: [PATCH -stable,4.19.x 10/40] netfilter: nf_tables: GC transaction API to avoid race with control plane
From: Pablo Neira Ayuso <pablo@xxxxxxxxxxxxx>
Date: Thu, 13 Jun 2024 03:01:39 +0200
Cc: gregkh@xxxxxxxxxxxxxxxxxxx, sashal@xxxxxxxxxx, stable@xxxxxxxxxxxxxxx
In-reply-to: <20240613010209.104423-1-pablo@netfilter.org>

commit 5f68718b34a531a556f2f50300ead2862278da26 upstream.

[ this includes
  8357bc946a2a ("netfilter: nf_tables: use correct lock to protect gc_list") ]

The set types rhashtable and rbtree use a GC worker to reclaim memory.

References:
- [PATCH -stable,4.19.x 00/40] Netfilter fixes for -stable
  - From: Pablo Neira Ayuso

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