syzbot

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WARNING: kernel/kcov.c:872 at kcov_remote_start+0x5d9/0x710 kernel/kcov.c:872, CPU#0: kworker/0:4/28719
Modules linked in:
CPU: 0 UID: 0 PID: 28719 Comm: kworker/0:4 Tainted: G             L      syzkaller #0 PREEMPT_{RT,(full)} 
Tainted: [L]=SOFTLOCKUP
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
Workqueue: usb_hub_wq hub_event
RIP: 0010:kcov_remote_start+0x5d9/0x710 kernel/kcov.c:872
Code: 00 5b 41 5c 41 5d 41 5e 41 5f 5d e9 21 f9 bd 02 90 0f 0b 90 e9 62 fa ff ff 90 0f 0b 90 0f b7 83 80 04 00 00 e9 a3 fa ff ff 90 <0f> 0b 90 eb 04 90 0f 0b 90 e8 09 89 12 09 89 c0 48 c7 c7 a0 e3 b3
RSP: 0018:ffffc90004e67768 EFLAGS: 00010202
RAX: 0000000000000002 RBX: ffff888053839e40 RCX: 0000000000000000
RDX: 0000000000000000 RSI: ffffffff8b3f5940 RDI: ffffffff8b3f5900
RBP: ffffc90004e67a70 R08: ffffffff8ad49021 R09: ffffffff8d5ae980
R10: dffffc0000000000 R11: fffffbfff1db680f R12: ffff888144fd1000
R13: dffffc0000000000 R14: 0100000000000003 R15: ffff888144fc7000
FS:  0000000000000000(0000) GS:ffff888126ceb000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b32822ff8 CR3: 000000000d3a8000 CR4: 00000000003526f0
Call Trace:
 <TASK>
 kcov_remote_start_usb include/linux/kcov.h:55 [inline]
 hub_event+0x158/0x4f30 drivers/usb/core/hub.c:5889
 process_one_work kernel/workqueue.c:3257 [inline]
 process_scheduled_works+0xad1/0x1770 kernel/workqueue.c:3340
 worker_thread+0x8a0/0xda0 kernel/workqueue.c:3421
 kthread+0x711/0x8a0 kernel/kthread.c:463
 ret_from_fork+0x510/0xa50 arch/x86/kernel/process.c:158
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:246
 </TASK>