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netfilter: nf_tables: use correct lock to protect gc_list

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[ Upstream commit 8357bc946a ]

Use nf_tables_gc_list_lock spinlock, not nf_tables_destroy_list_lock to
protect the gc list.

Fixes: 5f68718b34 ("netfilter: nf_tables: GC transaction API to avoid race with control plane")
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
Signed-off-by: Florian Westphal <fw@strlen.de>
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
Pablo Neira Ayuso 2023-08-21 14:33:32 +02:00 committed by Greg Kroah-Hartman
parent e07e688231
commit e05b2a9f03
1 changed files with 2 additions and 2 deletions
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4
net/netfilter/nf_tables_api.c
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@ -9470,9 +9470,9 @@ static void nft_trans_gc_work(struct work_struct *work)
struct nft_trans_gc *trans, *next;
LIST_HEAD(trans_gc_list);
spin_lock(&nf_tables_destroy_list_lock);
spin_lock(&nf_tables_gc_list_lock);
list_splice_init(&nf_tables_gc_list, &trans_gc_list);
spin_unlock(&nf_tables_destroy_list_lock);
spin_unlock(&nf_tables_gc_list_lock);
list_for_each_entry_safe(trans, next, &trans_gc_list, list) {
list_del(&trans->list);