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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



  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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