------------[ cut here ]------------
in_task() && kcov_mode_enabled(mode)
WARNING: kernel/kcov.c:894 at kcov_remote_start+0x5d8/0x710 kernel/kcov.c:894, CPU#0: kworker/0:0/9
Modules linked in:
CPU: 0 UID: 0 PID: 9 Comm: kworker/0:0 Not tainted syzkaller #0 PREEMPT_{RT,(full)} 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026
Workqueue: usb_hub_wq hub_event
RIP: 0010:kcov_remote_start+0x5d8/0x710 kernel/kcov.c:894
Code: 00 5b 41 5c 41 5d 41 5e 41 5f 5d e9 f2 88 f4 02 90 0f 0b 90 e9 62 fa ff ff 90 0f 0b 90 0f b7 83 c0 04 00 00 e9 a3 fa ff ff 90 <0f> 0b 90 eb 04 90 0f 0b 90 e8 ca 35 78 09 89 c0 48 c7 c7 c0 e2 bb
RSP: 0018:ffffc900000e7828 EFLAGS: 00010202
RAX: 0000000000000002 RBX: ffff88801dae5d00 RCX: 0000000000000000
RDX: 0000000000000000 RSI: ffffffff8bcc4d60 RDI: ffffffff8bcc4d20
RBP: ffffc900000e7b30 R08: ffffffff8b404b20 R09: ffffffff8e3cb2a0
R10: dffffc0000000000 R11: fffffbfff1f9e71f R12: ffff88802a263000
R13: dffffc0000000000 R14: 0100000000000003 R15: ffff88802a506000
FS:  0000000000000000(0000) GS:ffff888125a6b000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f040a677dac CR3: 0000000038c64000 CR4: 00000000003526f0
Call Trace:
 <TASK>
 kcov_remote_start_usb include/linux/kcov.h:53 [inline]
 hub_event+0x150/0x4f60 drivers/usb/core/hub.c:5889
 process_one_work+0x98b/0x1630 kernel/workqueue.c:3326
 process_scheduled_works kernel/workqueue.c:3409 [inline]
 worker_thread+0xb49/0x1140 kernel/workqueue.c:3490
 kthread+0x388/0x470 kernel/kthread.c:436
 ret_from_fork+0x514/0xb70 arch/x86/kernel/process.c:158
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245
 </TASK>