------------[ cut here ]------------
WARNING: CPU: 1 PID: 3878 at net/mptcp/protocol.c:761 mptcp_reset_timer+0x12a/0x160 net/mptcp/protocol.c:761
Modules linked in:
CPU: 1 PID: 3878 Comm: kworker/1:3 Not tainted 5.10.0-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:761
Code: e8 5b e2 3d fe e8 a6 0b b1 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 86 0b b1 f8 <0f> 0b 41 bc 14 00 00 00 eb 98 e8 37 28 f4 f8 e9 30 ff ff ff 48 c7
RSP: 0018:ffffc9000176fbb0 EFLAGS: 00010293
RAX: 0000000000000000 RBX: 1ffff920002edf76 RCX: 0000000000000000
RDX: ffff88801d7b8000 RSI: ffffffff88c111fa RDI: 0000000000000003
RBP: ffff888014ee6c00 R08: 0000000000000000 R09: 0000000000000001
R10: ffffffff88c11197 R11: 0000000000000007 R12: 0000000000000000
R13: 0000000000000000 R14: ffff888018940000 R15: ffff888014ee7460
FS:  0000000000000000(0000) GS:ffff8880b9d00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007ffd8045eb00 CR3: 00000000238c6000 CR4: 00000000001506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 mptcp_worker+0xfac/0x1980 net/mptcp/protocol.c:2333
 process_one_work+0x98d/0x1630 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