------------[ cut here ]------------
WARNING: CPU: 0 PID: 3004 at net/mptcp/protocol.c:764 mptcp_reset_timer+0x12a/0x160 net/mptcp/protocol.c:764
Modules linked in:
CPU: 0 PID: 3004 Comm: kworker/0:2 Not tainted 5.11.0-rc5-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Workqueue: events mptcp_worker
RIP: 0010:mptcp_reset_timer+0x12a/0x160 net/mptcp/protocol.c:764
Code: e8 eb f8 3b fe e8 b6 af be f8 48 b8 00 00 00 00 00 fc ff df 48 c7 04 03 00 00 00 00 48 83 c4 40 5b 5d 41 5c c3 e8 96 af be f8 <0f> 0b 41 bc 14 00 00 00 eb 98 e8 87 8c 01 f9 e9 30 ff ff ff 48 c7
RSP: 0018:ffffc9000189fbb0 EFLAGS: 00010293
RAX: 0000000000000000 RBX: 1ffff92000313f76 RCX: 0000000000000000
RDX: ffff8880198ed340 RSI: ffffffff88b40e2a RDI: 0000000000000003
RBP: ffff8880210c4800 R08: 0000000000000000 R09: 0000000000000004
R10: ffffffff88b40dc7 R11: 0000000000000007 R12: 0000000000000000
R13: dffffc0000000000 R14: ffff8880114f8000 R15: ffff8880210c5060
FS:  0000000000000000(0000) GS:ffff8880b9e00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fa91403b000 CR3: 000000001f8ab000 CR4: 00000000001506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 mptcp_worker+0xf66/0x1780 net/mptcp/protocol.c:2329
 process_one_work+0x98d/0x15f0 kernel/workqueue.c:2275
 worker_thread+0x64c/0x1120 kernel/workqueue.c:2421
 kthread+0x3b1/0x4a0 kernel/kthread.c:292
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:296