------------[ cut here ]------------
in_task() && kcov_mode_enabled(mode)
WARNING: kernel/kcov.c:894 at kcov_remote_start+0x5d6/0x710 kernel/kcov.c:894, CPU#0: kworker/0:7/5810
Modules linked in:
CPU: 0 UID: 0 PID: 5810 Comm: kworker/0:7 Not tainted syzkaller #0 PREEMPT_{RT,(full)} 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
Workqueue: usb_hub_wq hub_event
RIP: 0010:kcov_remote_start+0x5d6/0x710 kernel/kcov.c:894
Code: 03 00 00 00 5b 41 5c 41 5d 41 5e 41 5f 5d e9 b1 e6 02 03 90 0f 0b 90 eb d1 90 0f 0b 90 0f b7 83 c0 04 00 00 e9 ab fa ff ff 90 <0f> 0b 90 eb 04 90 0f 0b 90 e8 dc a8 8a 09 89 c0 48 c7 c7 c0 52 a3
RSP: 0000:ffffc90005f877c8 EFLAGS: 00010202
RAX: 0000000000000000 RBX: ffff88803731dd00 RCX: 8000000000000001
RDX: 0000000000000000 RSI: ffffffff8bcbbe60 RDI: ffffffff8bcbbe20
RBP: ffffc90005f87ad0 R08: ffffffff8b52de52 R09: 0000000000000000
R10: 0000000000000000 R11: ffffffff8e1c3740 R12: dffffc0000000000
R13: dffffc0000000000 R14: 0100000000000003 R15: ffff888029e00000
FS:  0000000000000000(0000) GS:ffff888125bf4000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f7921b90200 CR3: 000000003c0d6000 CR4: 00000000003526f0
Call Trace:
 <TASK>
 kcov_remote_start_usb include/linux/kcov.h:53 [inline]
 hub_event+0x15d/0x4cf0 drivers/usb/core/hub.c:5897
 process_one_work kernel/workqueue.c:3387 [inline]
 process_scheduled_works+0xc3d/0x1630 kernel/workqueue.c:3470
 worker_thread+0xa47/0xfb0 kernel/workqueue.c:3551
 kthread+0x38b/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>