------------[ cut here ]------------
in_task() && kcov_mode_enabled(mode)
WARNING: kernel/kcov.c:884 at kcov_remote_start+0x5d8/0x710 kernel/kcov.c:884, CPU#1: kworker/1:4/5874
Modules linked in:
CPU: 1 UID: 0 PID: 5874 Comm: kworker/1:4 Tainted: G             L      syzkaller #0 PREEMPT_{RT,(full)} 
Tainted: [L]=SOFTLOCKUP
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
Workqueue: usb_hub_wq hub_event
RIP: 0010:kcov_remote_start+0x5d8/0x710 kernel/kcov.c:884
Code: 00 5b 41 5c 41 5d 41 5e 41 5f 5d e9 e2 db d9 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 ba 3c 5f 09 89 c0 48 c7 c7 a8 33 4f
RSP: 0018:ffffc900052777c8 EFLAGS: 00010202
RAX: 0000000000000002 RBX: ffff88803cbc0000 RCX: 0000000000000000
RDX: 0000000000000000 RSI: ffffffff8ba673e0 RDI: ffffffff8ba673a0
RBP: ffffc90005277ad0 R08: ffffffff8b2601d0 R09: ffffffff8ddcb9c0
R10: dffffc0000000000 R11: fffffbfff1ed4c97 R12: ffff88802a0ab000
R13: dffffc0000000000 R14: 0100000000000004 R15: ffff88802a058000
FS:  0000000000000000(0000) GS:ffff888126436000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f7aff5b8530 CR3: 000000003517e000 CR4: 00000000003526f0
Call Trace:
 <TASK>
 kcov_remote_start_usb include/linux/kcov.h:55 [inline]
 hub_event+0x150/0x4f60 drivers/usb/core/hub.c:5889
 process_one_work kernel/workqueue.c:3276 [inline]
 process_scheduled_works+0xb6e/0x18c0 kernel/workqueue.c:3359
 worker_thread+0xa53/0xfc0 kernel/workqueue.c:3440
 kthread+0x388/0x470 kernel/kthread.c:436
 ret_from_fork+0x51e/0xb90 arch/x86/kernel/process.c:158
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245
 </TASK>