Hello:
This patch was applied to netdev/net.git (main)
by Jakub Kicinski <kuba@xxxxxxxxxx>:
On Mon, 29 Apr 2024 20:00:31 +0200 you wrote:
> From: Paolo Abeni <pabeni@xxxxxxxxxx>
>
> Christoph reported a splat hinting at a corrupted snd_una:
>
> WARNING: CPU: 1 PID: 38 at net/mptcp/protocol.c:1005 __mptcp_clean_una+0x4b3/0x620 net/mptcp/protocol.c:1005
> Modules linked in:
> CPU: 1 PID: 38 Comm: kworker/1:1 Not tainted 6.9.0-rc1-gbbeac67456c9 #59
> Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.11.0-2.el7 04/01/2014
> Workqueue: events mptcp_worker
> RIP: 0010:__mptcp_clean_una+0x4b3/0x620 net/mptcp/protocol.c:1005
> Code: be 06 01 00 00 bf 06 01 00 00 e8 a8 12 e7 fe e9 00 fe ff ff e8
> 8e 1a e7 fe 0f b7 ab 3e 02 00 00 e9 d3 fd ff ff e8 7d 1a e7 fe
> <0f> 0b 4c 8b bb e0 05 00 00 e9 74 fc ff ff e8 6a 1a e7 fe 0f 0b e9
> RSP: 0018:ffffc9000013fd48 EFLAGS: 00010293
> RAX: 0000000000000000 RBX: ffff8881029bd280 RCX: ffffffff82382fe4
> RDX: ffff8881003cbd00 RSI: ffffffff823833c3 RDI: 0000000000000001
> RBP: 0000000000000000 R08: 0000000000000001 R09: 0000000000000000
> R10: 0000000000000000 R11: fefefefefefefeff R12: ffff888138ba8000
> R13: 0000000000000106 R14: ffff8881029bd908 R15: ffff888126560000
> FS: 0000000000000000(0000) GS:ffff88813bd00000(0000) knlGS:0000000000000000
> CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
> CR2: 00007f604a5dae38 CR3: 0000000101dac002 CR4: 0000000000170ef0
> Call Trace:
> <TASK>
> __mptcp_clean_una_wakeup net/mptcp/protocol.c:1055 [inline]
> mptcp_clean_una_wakeup net/mptcp/protocol.c:1062 [inline]
> __mptcp_retrans+0x7f/0x7e0 net/mptcp/protocol.c:2615
> mptcp_worker+0x434/0x740 net/mptcp/protocol.c:2767
> process_one_work+0x1e0/0x560 kernel/workqueue.c:3254
> process_scheduled_works kernel/workqueue.c:3335 [inline]
> worker_thread+0x3c7/0x640 kernel/workqueue.c:3416
> kthread+0x121/0x170 kernel/kthread.c:388
> ret_from_fork+0x44/0x50 arch/x86/kernel/process.c:147
> ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:243
> </TASK>
>
> [...]
Here is the summary with links:
- [net] mptcp: ensure snd_nxt is properly initialized on connect
https://git.kernel.org/netdev/net/c/fb7a0d334894
You are awesome, thank you!
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