From: patchwork-bot+netdevbpf@kernel.org
To: Edward Adam Davis <eadavis@qq.com>
Cc: davem@davemloft.net, edumazet@google.com, geliang@kernel.org,
kuba@kernel.org, linux-kernel@vger.kernel.org,
martineau@kernel.org, matttbe@kernel.org, mptcp@lists.linux.dev,
netdev@vger.kernel.org, pabeni@redhat.com,
syzbot+f3a31fb909db9b2a5c4d@syzkaller.appspotmail.com,
syzkaller-bugs@googlegroups.com
Subject: Re: [PATCH net V4] mptcp: pm: Fix uaf in __timer_delete_sync
Date: Wed, 11 Sep 2024 23:20:34 +0000 [thread overview]
Message-ID: <172609683476.1105624.7683534378726526616.git-patchwork-notify@kernel.org> (raw)
In-Reply-To: <tencent_7142963A37944B4A74EF76CD66EA3C253609@qq.com>
Hello:
This patch was applied to netdev/net.git (main)
by Jakub Kicinski <kuba@kernel.org>:
On Tue, 10 Sep 2024 17:58:56 +0800 you wrote:
> There are two paths to access mptcp_pm_del_add_timer, result in a race
> condition:
>
> CPU1 CPU2
> ==== ====
> net_rx_action
> napi_poll netlink_sendmsg
> __napi_poll netlink_unicast
> process_backlog netlink_unicast_kernel
> __netif_receive_skb genl_rcv
> __netif_receive_skb_one_core netlink_rcv_skb
> NF_HOOK genl_rcv_msg
> ip_local_deliver_finish genl_family_rcv_msg
> ip_protocol_deliver_rcu genl_family_rcv_msg_doit
> tcp_v4_rcv mptcp_pm_nl_flush_addrs_doit
> tcp_v4_do_rcv mptcp_nl_remove_addrs_list
> tcp_rcv_established mptcp_pm_remove_addrs_and_subflows
> tcp_data_queue remove_anno_list_by_saddr
> mptcp_incoming_options mptcp_pm_del_add_timer
> mptcp_pm_del_add_timer kfree(entry)
>
> [...]
Here is the summary with links:
- [net,V4] mptcp: pm: Fix uaf in __timer_delete_sync
https://git.kernel.org/netdev/net/c/b4cd80b03389
You are awesome, thank you!
--
Deet-doot-dot, I am a bot.
https://korg.docs.kernel.org/patchwork/pwbot.html
next prev parent reply other threads:[~2024-09-11 23:20 UTC|newest]
Thread overview: 18+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-09-03 13:13 [syzbot] [mptcp?] KASAN: slab-use-after-free Read in __timer_delete_sync syzbot
2024-09-03 15:09 ` [PATCH] mptcp: pm: Fix uaf " Edward Adam Davis
2024-09-03 15:18 ` Eric Dumazet
2024-09-04 0:52 ` Edward Adam Davis
2024-09-04 1:01 ` [PATCH V2] " Edward Adam Davis
2024-09-04 20:39 ` Matthieu Baerts
2024-09-05 12:27 ` [PATCH net v3] " Edward Adam Davis
2024-09-06 18:55 ` Matthieu Baerts
2024-09-06 22:02 ` Jakub Kicinski
2024-09-09 7:01 ` Matthieu Baerts
2024-09-09 13:07 ` Paolo Abeni
2024-09-10 3:59 ` Edward Adam Davis
2024-09-10 9:58 ` [PATCH V4] " Edward Adam Davis
2024-09-10 9:58 ` [PATCH net " Edward Adam Davis
2024-09-10 11:27 ` Paolo Abeni
2024-09-10 14:29 ` Matthieu Baerts
2024-09-11 23:20 ` patchwork-bot+netdevbpf [this message]
2024-09-05 12:35 ` [PATCH V2] " Edward Adam Davis
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