linux-kernel - [PATCH 5.17 159/298] netfilter: nf_tables: use kfree_rcu(ptr, rcu) to release hooks in clean

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-Id: <20220613094929.758594341@linuxfoundation.org>
Date:   Mon, 13 Jun 2022 12:10:53 +0200
From:   Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:     linux-kernel@...r.kernel.org
Cc:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        stable@...r.kernel.org, Pablo Neira Ayuso <pablo@...filter.org>,
        Sasha Levin <sashal@...nel.org>
Subject: [PATCH 5.17 159/298] netfilter: nf_tables: use kfree_rcu(ptr, rcu) to release hooks in clean_net path

From: Pablo Neira Ayuso <pablo@...filter.org>

[ Upstream commit ab5e5c062f67c5ae8cd07f0632ffa62dc0e7d169 ]

Use kfree_rcu(ptr, rcu) variant instead as described by ae089831ff28
("netfilter: nf_tables: prefer kfree_rcu(ptr, rcu) variant").

Fixes: f9a43007d3f7 ("netfilter: nf_tables: double hook unregistration in netns path")
Signed-off-by: Pablo Neira Ayuso <pablo@...filter.org>
Signed-off-by: Sasha Levin <sashal@...nel.org>
---
 net/netfilter/nf_tables_api.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/net/netfilter/nf_tables_api.c b/net/netfilter/nf_tables_api.c
index 42cc703a68e5..07c842b65f6d 100644
--- a/net/netfilter/nf_tables_api.c
+++ b/net/netfilter/nf_tables_api.c
@@ -7247,7 +7247,7 @@ static void __nft_unregister_flowtable_net_hooks(struct net *net,
 		nf_unregister_net_hook(net, &hook->ops);
 		if (release_netdev) {
 			list_del(&hook->list);
-			kfree_rcu(hook);
+			kfree_rcu(hook, rcu);
 		}
 	}
 }
-- 
2.35.1