From: Matthieu Baerts <matttbe@kernel.org>
To: Kuniyuki Iwashima <kuniyu@google.com>,
"David S. Miller" <davem@davemloft.net>,
Eric Dumazet <edumazet@google.com>,
Jakub Kicinski <kuba@kernel.org>, Paolo Abeni <pabeni@redhat.com>
Cc: Simon Horman <horms@kernel.org>,
Kuniyuki Iwashima <kuni1840@gmail.com>,
netdev@vger.kernel.org, Mat Martineau <martineau@kernel.org>,
Geliang Tang <geliang@kernel.org>
Subject: Re: [PATCH v2 net-next 6/7] mptcp: Call dst_release() in mptcp_active_enable().
Date: Wed, 17 Sep 2025 12:17:09 +0200 [thread overview]
Message-ID: <35a48361-c69f-4cf9-aec9-db1ac0597f96@kernel.org> (raw)
In-Reply-To: <20250916214758.650211-7-kuniyu@google.com>
Hi Kuniyuki,
On 16/09/2025 23:47, Kuniyuki Iwashima wrote:
> mptcp_active_enable() calls sk_dst_get(), which returns dst with its
> refcount bumped, but forgot dst_release().
>
> Let's add missing dst_release().
>
> Fixes: 27069e7cb3d1 ("mptcp: disable active MPTCP in case of blackhole")
> Signed-off-by: Kuniyuki Iwashima <kuniyu@google.com>
> ---
> v2: split from the next patch as dst_dev_rcu() patch hasn't been
> backported to 6.12+, where the cited commit exists.
Thank you for the v2 and for the split!
Reviewed-by: Matthieu Baerts (NGI0) <matttbe@kernel.org>
Ideally, it would be great to if the 'Cc: stable' tag can be added when
applying the patch, so I would be notified in case of issues with the
backport of this patch.
Cc: stable@vger.kernel.org
Cheers,
Matt
--
Sponsored by the NGI0 Core fund.
next prev parent reply other threads:[~2025-09-17 10:17 UTC|newest]
Thread overview: 26+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-09-16 21:47 [PATCH v2 net-next 0/7] net: Fix UAF of sk_dst_get(sk)->dev Kuniyuki Iwashima
2025-09-16 21:47 ` [PATCH v2 net-next 1/7] smc: Fix use-after-free in __pnet_find_base_ndev() Kuniyuki Iwashima
2025-09-17 6:52 ` Mahanta Jambigi
2025-09-17 6:56 ` Kuniyuki Iwashima
2025-09-17 14:18 ` Eric Dumazet
2025-09-16 21:47 ` [PATCH v2 net-next 2/7] smc: Use __sk_dst_get() and dst_dev_rcu() in in smc_clc_prfx_set() Kuniyuki Iwashima
2025-09-17 14:12 ` Eric Dumazet
2025-09-16 21:47 ` [PATCH v2 net-next 3/7] smc: Use __sk_dst_get() and dst_dev_rcu() in smc_clc_prfx_match() Kuniyuki Iwashima
2025-09-17 14:13 ` Eric Dumazet
2025-09-16 21:47 ` [PATCH v2 net-next 4/7] smc: Use __sk_dst_get() and dst_dev_rcu() in smc_vlan_by_tcpsk() Kuniyuki Iwashima
2025-09-17 9:13 ` Mahanta Jambigi
2025-09-17 14:09 ` Eric Dumazet
2025-09-17 17:41 ` Kuniyuki Iwashima
2025-09-18 7:34 ` Mahanta Jambigi
2025-09-16 21:47 ` [PATCH v2 net-next 5/7] tls: Use __sk_dst_get() and dst_dev_rcu() in get_netdev_for_sock() Kuniyuki Iwashima
2025-09-17 14:14 ` Eric Dumazet
2025-09-17 15:45 ` Sabrina Dubroca
2025-09-16 21:47 ` [PATCH v2 net-next 6/7] mptcp: Call dst_release() in mptcp_active_enable() Kuniyuki Iwashima
2025-09-17 10:17 ` Matthieu Baerts [this message]
2025-09-17 14:04 ` Eric Dumazet
2025-09-17 14:51 ` Matthieu Baerts
2025-09-16 21:47 ` [PATCH v2 net-next 7/7] mptcp: Use __sk_dst_get() and dst_dev_rcu() " Kuniyuki Iwashima
2025-09-17 10:17 ` Matthieu Baerts
2025-09-17 17:43 ` Kuniyuki Iwashima
2025-09-17 14:10 ` Eric Dumazet
2025-09-18 1:20 ` [PATCH v2 net-next 0/7] net: Fix UAF of sk_dst_get(sk)->dev patchwork-bot+netdevbpf
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