------------[ cut here ]------------
WARNING: CPU: 1 PID: 24 at kernel/kcov.c:870 kcov_remote_start+0x5a2/0x7e0 kernel/kcov.c:870
Modules linked in:
CPU: 1 PID: 24 Comm: ksoftirqd/1 Not tainted 6.10.0-rc2-syzkaller-00366-g771ed66105de #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024
RIP: 0010:kcov_remote_start+0x5a2/0x7e0 kernel/kcov.c:870
Code: 24 00 00 00 00 9c 8f 04 24 f7 04 24 00 02 00 00 0f 85 a6 01 00 00 41 f7 c6 00 02 00 00 0f 84 93 fa ff ff fb e9 8d fa ff ff 90 <0f> 0b 90 e8 86 6f f0 09 89 c0 48 c7 c7 c8 d4 02 00 48 03 3c c5 e0
RSP: 0018:ffffc90000a189c0 EFLAGS: 00010002
RAX: 0000000080010100 RBX: ffff888017af0000 RCX: 0000000000000002
RDX: dffffc0000000000 RSI: ffffffff8bcacd00 RDI: ffffffff8c1ff280
RBP: 0100000000000003 R08: ffffffff92fab5f7 R09: 1ffffffff25f56be
R10: dffffc0000000000 R11: fffffbfff25f56bf R12: ffffffff819630ae
R13: 00000000ffffffb9 R14: 0000000000000006 R15: ffff8880b952d4c8
FS:  0000000000000000(0000) GS:ffff8880b9500000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b33527000 CR3: 00000000674b4000 CR4: 00000000003526f0
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+0x34a/0x530 drivers/usb/core/hcd.c:1647
 dummy_timer+0x830/0x45d0 drivers/usb/gadget/udc/dummy_hcd.c:1987
 __run_hrtimer kernel/time/hrtimer.c:1687 [inline]
 __hrtimer_run_queues+0x59b/0xd50 kernel/time/hrtimer.c:1751
 hrtimer_interrupt+0x396/0x990 kernel/time/hrtimer.c:1813
 local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1032 [inline]
 __sysvec_apic_timer_interrupt+0x110/0x3f0 arch/x86/kernel/apic/apic.c:1049
 instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1043 [inline]
 sysvec_apic_timer_interrupt+0xa1/0xc0 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:kcov_remote_start+0x2e/0x7e0 kernel/kcov.c:924
Code: 55 41 57 41 56 41 55 41 54 53 48 83 ec 18 65 48 8b 1c 25 00 d5 03 00 48 b8 00 00 00 00 ff ff ff 00 48 85 c7 74 17 90 0f 0b 90 <48> 83 c4 18 5b 41 5c 41 5d 41 5e 41 5f 5d c3 cc cc cc cc 48 89 fd
RSP: 0018:ffffc900001e7840 EFLAGS: 00000206
RAX: 5308892166c1b700 RBX: ffff888017af0000 RCX: ffffffff8172d80a
RDX: dffffc0000000000 RSI: ffffffff8bcabb80 RDI: ffffffff8c1ff280
RBP: ffff8880b952d4c8 R08: ffffffff92fab5f7 R09: 1ffffffff25f56be
R10: dffffc0000000000 R11: fffffbfff25f56bf R12: 0000000000040000
R13: 0000000000000000 R14: 0000000000000206 R15: ffff88801c71e700
 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+0x34a/0x530 drivers/usb/core/hcd.c:1647
 usb_giveback_urb_bh+0x306/0x4e0 drivers/usb/core/hcd.c:1682
 process_one_work kernel/workqueue.c:3231 [inline]
 process_scheduled_works+0xa2c/0x1830 kernel/workqueue.c:3312
 bh_worker+0x2a5/0x620 kernel/workqueue.c:3572
 tasklet_hi_action+0xf/0x90 kernel/softirq.c:816
 handle_softirqs+0x2c4/0x970 kernel/softirq.c:554
 run_ksoftirqd+0xca/0x130 kernel/softirq.c:928
 smpboot_thread_fn+0x544/0xa30 kernel/smpboot.c:164
 kthread+0x2f0/0x390 kernel/kthread.c:389
 ret_from_fork+0x4b/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:	55                   	push   %rbp
   1:	41 57                	push   %r15
   3:	41 56                	push   %r14
   5:	41 55                	push   %r13
   7:	41 54                	push   %r12
   9:	53                   	push   %rbx
   a:	48 83 ec 18          	sub    $0x18,%rsp
   e:	65 48 8b 1c 25 00 d5 	mov    %gs:0x3d500,%rbx
  15:	03 00
  17:	48 b8 00 00 00 00 ff 	movabs $0xffffff00000000,%rax
  1e:	ff ff 00
  21:	48 85 c7             	test   %rax,%rdi
  24:	74 17                	je     0x3d
  26:	90                   	nop
  27:	0f 0b                	ud2
  29:	90                   	nop
* 2a:	48 83 c4 18          	add    $0x18,%rsp <-- trapping instruction
  2e:	5b                   	pop    %rbx
  2f:	41 5c                	pop    %r12
  31:	41 5d                	pop    %r13
  33:	41 5e                	pop    %r14
  35:	41 5f                	pop    %r15
  37:	5d                   	pop    %rbp
  38:	c3                   	ret
  39:	cc                   	int3
  3a:	cc                   	int3
  3b:	cc                   	int3
  3c:	cc                   	int3
  3d:	48 89 fd             	mov    %rdi,%rbp