------------[ cut here ]------------
WARNING: CPU: 0 PID: 16 at kernel/kcov.c:870 kcov_remote_start+0x274/0x6e0 kernel/kcov.c:870
Modules linked in:
CPU: 0 PID: 16 Comm: ksoftirqd/0 Not tainted 6.10.0-rc2-syzkaller-00022-g32f88d65f01b #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024
RIP: 0010:kcov_remote_start+0x274/0x6e0 kernel/kcov.c:870
Code: c0 22 49 89 47 08 e9 87 00 00 00 f6 c4 01 0f 85 06 fe ff ff e9 dc fd ff ff 44 8b 95 1c 16 00 00 45 85 d2 0f 84 d5 fe ff ff 90 <0f> 0b 90 e9 b9 00 00 00 65 8b 05 35 e4 75 7e 49 c7 c0 02 e9 3a 8d
RSP: 0018:ffffc90000007b48 EFLAGS: 00010002
RAX: 0000000080010101 RBX: 000000000002d648 RCX: ffffffff816ae54e
RDX: 0000000000000002 RSI: ffffffff8b2cb0e0 RDI: ffffffff8b900000
RBP: ffff8880176bda00 R08: 0000000000000000 R09: fffffbfff284d666
R10: 0000000000000001 R11: 0000000000000002 R12: ffff8880b922d648
R13: 0000000000000000 R14: 0100000000000002 R15: ffff8880176bda00
FS:  0000000000000000(0000) GS:ffff8880b9200000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000020097000 CR3: 000000005b6e8000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <IRQ>
 kcov_remote_start_usb include/linux/kcov.h:53 [inline]
 kcov_remote_start_usb_softirq include/linux/kcov.h:66 [inline]
 __usb_hcd_giveback_urb+0x331/0x5c0 drivers/usb/core/hcd.c:1647
 usb_hcd_giveback_urb+0x396/0x450 drivers/usb/core/hcd.c:1732
 dummy_timer+0x17f6/0x3900 drivers/usb/gadget/udc/dummy_hcd.c:1987
 __run_hrtimer kernel/time/hrtimer.c:1687 [inline]
 __hrtimer_run_queues+0x20c/0xcc0 kernel/time/hrtimer.c:1751
 hrtimer_interrupt+0x31b/0x800 kernel/time/hrtimer.c:1813
 local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1032 [inline]
 __sysvec_apic_timer_interrupt+0x10f/0x450 arch/x86/kernel/apic/apic.c:1049
 instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1043 [inline]
 sysvec_apic_timer_interrupt+0x90/0xb0 arch/x86/kernel/apic/apic.c:1043
 </IRQ>
 <TASK>
 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:702
RIP: 0010:__raw_spin_unlock_irqrestore include/linux/spinlock_api_smp.h:152 [inline]
RIP: 0010:_raw_spin_unlock_irqrestore+0x31/0x80 kernel/locking/spinlock.c:194
Code: f5 53 48 8b 74 24 10 48 89 fb 48 83 c7 18 e8 46 48 80 f6 48 89 df e8 2e c5 80 f6 f7 c5 00 02 00 00 75 23 9c 58 f6 c4 02 75 37 <bf> 01 00 00 00 e8 45 07 72 f6 65 8b 05 d6 56 18 75 85 c0 74 16 5b
RSP: 0018:ffffc90000157988 EFLAGS: 00000246
RAX: 0000000000000006 RBX: ffff888024314378 RCX: 1ffffffff2852f30
RDX: 0000000000000000 RSI: ffffffff8b2cade0 RDI: ffffffff8b900000
RBP: 0000000000000283 R08: 0000000000000001 R09: fffffbfff284d666
R10: ffffffff9426b337 R11: 0000000000000004 R12: 0000000000000283
R13: ffff888024314378 R14: 0000000000000001 R15: 0000000000000002
 spin_unlock_irqrestore include/linux/spinlock.h:406 [inline]
 hub_resubmit_irq_urb+0xe7/0x190 drivers/usb/core/hub.c:694
 hub_irq+0x32f/0x440 drivers/usb/core/hub.c:807
 __usb_hcd_giveback_urb+0x364/0x5c0 drivers/usb/core/hcd.c:1648
 usb_giveback_urb_bh+0x28f/0x570 drivers/usb/core/hcd.c:1682
 process_one_work+0x9fb/0x1b60 kernel/workqueue.c:3231
 process_scheduled_works kernel/workqueue.c:3312 [inline]
 bh_worker+0x5a4/0x8a0 kernel/workqueue.c:3572
 workqueue_softirq_action+0x12c/0x190 kernel/workqueue.c:3599
 tasklet_hi_action+0x17/0x70 kernel/softirq.c:816
 handle_softirqs+0x216/0x8f0 kernel/softirq.c:554
 run_ksoftirqd kernel/softirq.c:928 [inline]
 run_ksoftirqd+0x3a/0x60 kernel/softirq.c:920
 smpboot_thread_fn+0x661/0xa10 kernel/smpboot.c:164
 kthread+0x2c1/0x3a0 kernel/kthread.c:389
 ret_from_fork+0x45/0x80 arch/x86/kernel/process.c:147
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244
 </TASK>
----------------
Code disassembly (best guess):
   0:	f5                   	cmc
   1:	53                   	push   %rbx
   2:	48 8b 74 24 10       	mov    0x10(%rsp),%rsi
   7:	48 89 fb             	mov    %rdi,%rbx
   a:	48 83 c7 18          	add    $0x18,%rdi
   e:	e8 46 48 80 f6       	call   0xf6804859
  13:	48 89 df             	mov    %rbx,%rdi
  16:	e8 2e c5 80 f6       	call   0xf680c549
  1b:	f7 c5 00 02 00 00    	test   $0x200,%ebp
  21:	75 23                	jne    0x46
  23:	9c                   	pushf
  24:	58                   	pop    %rax
  25:	f6 c4 02             	test   $0x2,%ah
  28:	75 37                	jne    0x61
* 2a:	bf 01 00 00 00       	mov    $0x1,%edi <-- trapping instruction
  2f:	e8 45 07 72 f6       	call   0xf6720779
  34:	65 8b 05 d6 56 18 75 	mov    %gs:0x751856d6(%rip),%eax        # 0x75185711
  3b:	85 c0                	test   %eax,%eax
  3d:	74 16                	je     0x55
  3f:	5b                   	pop    %rbx