------------[ cut here ]------------
WARNING: CPU: 1 PID: 18105 at net/mptcp/protocol.c:1001 __mptcp_clean_una+0x80b/0xc60 net/mptcp/protocol.c:1001
Modules linked in:
CPU: 1 PID: 18105 Comm: kworker/1:16 Not tainted 6.8.0-rc6-syzkaller-00250-g04b8076df253 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/25/2024
Workqueue: events mptcp_worker
RIP: 0010:__mptcp_clean_una+0x80b/0xc60 net/mptcp/protocol.c:1001
Code: fc ff df 48 89 fa 48 c1 ea 03 80 3c 02 00 0f 85 17 03 00 00 48 c7 85 b8 08 00 00 00 00 00 00 e9 47 fc ff ff e8 36 6f e5 f6 90 <0f> 0b 90 48 b8 00 00 00 00 00 fc ff df 48 8b 54 24 28 48 c1 ea 03
RSP: 0018:ffffc90008e77a10 EFLAGS: 00010293
RAX: 0000000000000000 RBX: ffff88808f188000 RCX: ffffffff8aa6fd53
RDX: ffff888098738000 RSI: ffffffff8aa7037a RDI: 0000000000000001
RBP: ffff888081f44980 R08: 0000000000000001 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000003 R12: ffff888094810000
R13: dffffc0000000000 R14: 443caf8e03aaffc8 R15: ffff888081f45328
FS:  0000000000000000(0000) GS:ffff8880b9500000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f87ce62f000 CR3: 000000009f2ea000 CR4: 0000000000350ef0
Call Trace:
 <TASK>
 __mptcp_clean_una_wakeup+0x5e/0x280 net/mptcp/protocol.c:1049
 mptcp_clean_una_wakeup net/mptcp/protocol.c:1056 [inline]
 __mptcp_retrans+0xb5/0xa40 net/mptcp/protocol.c:2588
 mptcp_worker+0xa28/0x1390 net/mptcp/protocol.c:2740
 process_one_work+0x88c/0x15e0 kernel/workqueue.c:2633
 process_scheduled_works kernel/workqueue.c:2706 [inline]
 worker_thread+0x8b9/0x12a0 kernel/workqueue.c:2787
 kthread+0x2c9/0x3b0 kernel/kthread.c:388
 ret_from_fork+0x48/0x80 arch/x86/kernel/process.c:147
 ret_from_fork_asm+0x1b/0x30 arch/x86/entry/entry_64.S:243
 </TASK>