From: patchwork-bot+netdevbpf@kernel.org
To: Paolo Abeni <pabeni@redhat.com>
Cc: netdev@vger.kernel.org, matttbe@kernel.org, martineau@kernel.org,
geliang@kernel.org, davem@davemloft.net, edumazet@google.com,
kuba@kernel.org, mptcp@lists.linux.dev, bpf@vger.kernel.org
Subject: Re: [PATCH net] mptcp: prevent BPF accessing lowat from a subflow socket.
Date: Tue, 02 Apr 2024 04:20:27 +0000 [thread overview]
Message-ID: <171203162704.30104.6455806082804107632.git-patchwork-notify@kernel.org> (raw)
In-Reply-To: <d8cb7d8476d66cb0812a6e29cd1e626869d9d53e.1711738080.git.pabeni@redhat.com>
Hello:
This patch was applied to netdev/net.git (main)
by Jakub Kicinski <kuba@kernel.org>:
On Fri, 29 Mar 2024 19:50:36 +0100 you wrote:
> Alexei reported the following splat:
>
> WARNING: CPU: 32 PID: 3276 at net/mptcp/subflow.c:1430 subflow_data_ready+0x147/0x1c0
> Modules linked in: dummy bpf_testmod(O) [last unloaded: bpf_test_no_cfi(O)]
> CPU: 32 PID: 3276 Comm: test_progs Tainted: GO 6.8.0-12873-g2c43c33bfd23
> Call Trace:
> <TASK>
> mptcp_set_rcvlowat+0x79/0x1d0
> sk_setsockopt+0x6c0/0x1540
> __bpf_setsockopt+0x6f/0x90
> bpf_sock_ops_setsockopt+0x3c/0x90
> bpf_prog_509ce5db2c7f9981_bpf_test_sockopt_int+0xb4/0x11b
> bpf_prog_dce07e362d941d2b_bpf_test_socket_sockopt+0x12b/0x132
> bpf_prog_348c9b5faaf10092_skops_sockopt+0x954/0xe86
> __cgroup_bpf_run_filter_sock_ops+0xbc/0x250
> tcp_connect+0x879/0x1160
> tcp_v6_connect+0x50c/0x870
> mptcp_connect+0x129/0x280
> __inet_stream_connect+0xce/0x370
> inet_stream_connect+0x36/0x50
> bpf_trampoline_6442491565+0x49/0xef
> inet_stream_connect+0x5/0x50
> __sys_connect+0x63/0x90
> __x64_sys_connect+0x14/0x20
>
> [...]
Here is the summary with links:
- [net] mptcp: prevent BPF accessing lowat from a subflow socket.
https://git.kernel.org/netdev/net/c/fcf4692fa39e
You are awesome, thank you!
--
Deet-doot-dot, I am a bot.
https://korg.docs.kernel.org/patchwork/pwbot.html
prev parent reply other threads:[~2024-04-02 4:20 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-03-29 18:50 [PATCH net] mptcp: prevent BPF accessing lowat from a subflow socket Paolo Abeni
2024-03-29 19:47 ` MPTCP CI
2024-03-29 19:53 ` Mat Martineau
2024-03-30 9:53 ` Matthieu Baerts
2024-03-30 9:53 ` Matthieu Baerts
2024-04-02 4:20 ` patchwork-bot+netdevbpf [this message]
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