From: Florian Westphal <fw@strlen.de>
To: Stefan Wiehler <stefan.wiehler@nokia.com>
Cc: "David S . Miller" <davem@davemloft.net>,
David Ahern <dsahern@kernel.org>,
Eric Dumazet <edumazet@google.com>,
Jakub Kicinski <kuba@kernel.org>, Paolo Abeni <pabeni@redhat.com>,
netdev@vger.kernel.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH net v6 05/10] ip6mr: Lock RTNL before ip6mr_new_table() call in ip6mr_rules_init()
Date: Thu, 17 Oct 2024 20:10:22 +0200 [thread overview]
Message-ID: <20241017181022.GB25857@breakpoint.cc> (raw)
In-Reply-To: <20241017174109.85717-6-stefan.wiehler@nokia.com>
Stefan Wiehler <stefan.wiehler@nokia.com> wrote:
> + rtnl_lock();
> mrt = ip6mr_new_table(net, RT6_TABLE_DFLT);
> if (IS_ERR(mrt)) {
> err = PTR_ERR(mrt);
> goto err1;
> }
> + rtnl_unlock();
>
> err = fib_default_rule_add(ops, 0x7fff, RT6_TABLE_DFLT, 0);
> if (err < 0)
> @@ -254,6 +256,7 @@ static int __net_init ip6mr_rules_init(struct net *net)
> ip6mr_free_table(mrt);
> rtnl_unlock();
> err1:
> + rtnl_unlock();
Looks like a double-unlock?
next prev parent reply other threads:[~2024-10-17 18:10 UTC|newest]
Thread overview: 18+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-10-17 17:37 [PATCH net v6 00/10] Lock RCU before calling ip6mr_get_table() Stefan Wiehler
2024-10-17 17:37 ` [PATCH net v6 01/10] ip6mr: Lock RCU before ip6mr_get_table() call in ip6mr_vif_seq_start() Stefan Wiehler
2024-10-17 17:37 ` [PATCH net v6 02/10] ip6mr: Lock RCU before ip6mr_get_table() call in ip6mr_ioctl() Stefan Wiehler
2024-10-17 17:37 ` [PATCH net v6 03/10] ip6mr: Lock RCU before ip6mr_get_table() call in ip6mr_compat_ioctl() Stefan Wiehler
2024-10-17 17:37 ` [PATCH net v6 04/10] ip6mr: Lock RCU before ip6mr_get_table() call in ip6mr_get_route() Stefan Wiehler
2024-10-17 17:37 ` [PATCH net v6 05/10] ip6mr: Lock RTNL before ip6mr_new_table() call in ip6mr_rules_init() Stefan Wiehler
2024-10-17 18:10 ` Florian Westphal [this message]
2024-10-18 10:41 ` Stefan Wiehler
2024-10-17 17:37 ` [PATCH net v6 06/10] ip6mr: Lock RCU before ip6mr_get_table() call in ip6mr_mfc_seq_start() Stefan Wiehler
2024-10-17 17:37 ` [PATCH net v6 07/10] ip6mr: Lock RCU before ip6mr_get_table() call in ip6_mroute_setsockopt() Stefan Wiehler
2024-10-17 18:28 ` Florian Westphal
2024-10-23 10:24 ` Paolo Abeni
2024-10-17 17:37 ` [PATCH net v6 08/10] ip6mr: Lock RCU before ip6mr_get_table() call in ip6_mroute_getsockopt() Stefan Wiehler
2024-10-17 17:37 ` [PATCH net v6 09/10] ip6mr: Lock RCU before ip6mr_get_table() call in ip6mr_rtm_getroute() Stefan Wiehler
2024-10-17 18:14 ` Florian Westphal
2024-10-18 11:24 ` Stefan Wiehler
2024-10-18 11:52 ` Florian Westphal
2024-10-17 17:37 ` [PATCH net v6 10/10] Revert "ipv6: Fix suspicious RCU usage warning in ip6mr" Stefan Wiehler
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