------------[ cut here ]------------
WARNING: CPU: 1 PID: 56 at net/mptcp/protocol.c:1006 __mptcp_clean_una+0xddb/0xff0 net/mptcp/protocol.c:1006
Modules linked in:
CPU: 1 PID: 56 Comm: kworker/1:1 Not tainted 6.9.0-syzkaller-05151-g1b294a1f3561 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024
Workqueue: events mptcp_worker
RIP: 0010:__mptcp_clean_una+0xddb/0xff0 net/mptcp/protocol.c:1006
Code: fa ff ff 48 8b 4c 24 18 80 e1 07 fe c1 38 c1 0f 8c 8e fa ff ff 48 8b 7c 24 18 e8 40 34 8f f6 e9 7f fa ff ff e8 c6 1f 2a f6 90 <0f> 0b 90 4c 8b 6c 24 40 4d 89 f4 e9 04 f5 ff ff 44 89 f1 80 e1 07
RSP: 0018:ffffc90001367800 EFLAGS: 00010293
RAX: ffffffff8b6c3d6a RBX: ffff88806893ae98 RCX: ffff88801b6ada00
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: ffffc90001367918 R08: ffffffff8b6c31ed R09: 1ffffd400033cb06
R10: dffffc0000000000 R11: fffff9400033cb07 R12: 0000000000000000
R13: ffff88806893ae88 R14: dffffc0000000000 R15: ffff88804d578000
FS:  0000000000000000(0000) GS:ffff8880b9500000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f2478d3df78 CR3: 000000006430a000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 __mptcp_clean_una_wakeup+0x7f/0x2d0 net/mptcp/protocol.c:1056
 mptcp_clean_una_wakeup net/mptcp/protocol.c:1063 [inline]
 __mptcp_retrans+0x108/0xe90 net/mptcp/protocol.c:2616
 mptcp_worker+0x9c2/0x11d0 net/mptcp/protocol.c:2768
 process_one_work kernel/workqueue.c:3267 [inline]
 process_scheduled_works+0xa10/0x17c0 kernel/workqueue.c:3348
 worker_thread+0x86d/0xd70 kernel/workqueue.c:3429
 kthread+0x2f0/0x390 kernel/kthread.c:389
 ret_from_fork+0x4b/0x80 arch/x86/kernel/process.c:147
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244
 </TASK>