cm109 8-1:0.8: cm109_urb_irq_callback: urb status -71
------------[ cut here ]------------
URB ffff888035c04700 submitted while active
WARNING: drivers/usb/core/urb.c:379 at usb_submit_urb+0x79/0x18b0 drivers/usb/core/urb.c:379, CPU#1: syz.7.6386/28066
Modules linked in:
CPU: 1 UID: 0 PID: 28066 Comm: syz.7.6386 Tainted: G L syzkaller #0 PREEMPT(full)
Tainted: [L]=SOFTLOCKUP
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
RIP: 0010:usb_submit_urb+0x7c/0x18b0 drivers/usb/core/urb.c:379
Code: 4c 89 f0 48 c1 e8 03 80 3c 28 00 74 08 4c 89 f7 e8 89 3e d3 fa 49 83 3e 00 74 40 e8 4e a5 65 fa 48 8d 3d a7 21 04 09 48 89 de <67> 48 0f b9 3a b8 f0 ff ff ff eb 11 e8 33 a5 65 fa eb 05 e8 2c a5
RSP: 0018:ffffc90000a089f8 EFLAGS: 00010087
RAX: ffffffff87616d42 RBX: ffff888035c04700 RCX: 0000000000040000
RDX: ffffc90002291000 RSI: ffff888035c04700 RDI: ffffffff90658ef0
RBP: dffffc0000000000 R08: 0000000000000003 R09: 0000000000000004
R10: dffffc0000000000 R11: fffff5200014113c R12: ffff888053e1e048
R13: ffff888053e1e030 R14: ffff888035c04708 R15: 0000000000000820
FS: 000055556b10b500(0000) GS:ffff88812504b000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f8644eaad58 CR3: 000000007902e000 CR4: 00000000003526f0
DR0: 0000000000000009 DR1: 00000000000000c9 DR2: 00000000000000f3
DR3: 00000000000000c0 DR6: 00000000ffff0ff0 DR7: 0000000000000400
Call Trace:
cm109_submit_ctl drivers/input/misc/cm109.c:380 [inline]
cm109_urb_irq_callback+0x6fb/0xca0 drivers/input/misc/cm109.c:431
__usb_hcd_giveback_urb+0x374/0x530 drivers/usb/core/hcd.c:1657
dummy_timer+0xa91/0x4cf0 drivers/usb/gadget/udc/dummy_hcd.c:2019
__run_hrtimer kernel/time/hrtimer.c:2032 [inline]
__hrtimer_run_queues+0x3bc/0xa10 kernel/time/hrtimer.c:2096
hrtimer_run_softirq+0x17a/0x240 kernel/time/hrtimer.c:2113
handle_softirqs+0x225/0x840 kernel/softirq.c:622
__do_softirq kernel/softirq.c:656 [inline]
invoke_softirq kernel/softirq.c:496 [inline]
__irq_exit_rcu+0xca/0x220 kernel/softirq.c:735
irq_exit_rcu+0x9/0x30 kernel/softirq.c:752
instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1062 [inline]
sysvec_apic_timer_interrupt+0xa6/0xc0 arch/x86/kernel/apic/apic.c:1062
asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:674
RIP: 0010:__raw_spin_unlock_irqrestore include/linux/spinlock_api_smp.h:179 [inline]
RIP: 0010:_raw_spin_unlock_irqrestore+0x47/0x80 kernel/locking/spinlock.c:198
Code: f7 e8 8d 6d cf f5 f7 c3 00 02 00 00 74 05 e8 60 4e fb f5 9c 58 a9 00 02 00 00 75 27 f7 c3 00 02 00 00 74 01 fb bf 01 00 00 00 24 81 c0 f5 65 8b 05 1d 51 99 07 85 c0 74 18 5b 41 5e e9 81 48
RSP: 0018:ffffc90004af7b78 EFLAGS: 00000206
RAX: 0000000000000002 RBX: 0000000000000246 RCX: 0000000080000001
RDX: 0000000000000006 RSI: ffffffff8e22f141 RDI: 0000000000000001
RBP: 0000000000000000 R08: ffffffff90579e37 R09: 1ffffffff20af3c6
R10: dffffc0000000000 R11: fffffbfff20af3c7 R12: 0000000000000246
R13: dffffc0000000000 R14: ffff888029b54000 R15: ffff88802a88d400
spin_unlock_irqrestore include/linux/spinlock.h:408 [inline]
dummy_pullup+0xcf/0x120 drivers/usb/gadget/udc/dummy_hcd.c:934
usb_gadget_disconnect_locked+0x126/0x480 drivers/usb/gadget/udc/core.c:785
gadget_unbind_driver+0xc2/0x410 drivers/usb/gadget/udc/core.c:1718
device_remove drivers/base/dd.c:616 [inline]
__device_release_driver drivers/base/dd.c:1349 [inline]
device_release_driver_internal+0x48b/0x880 drivers/base/dd.c:1372
driver_detach+0x1f3/0x2d0 drivers/base/dd.c:1435
bus_remove_driver+0x226/0x320 drivers/base/bus.c:832
usb_gadget_unregister_driver+0x4e/0x70 drivers/usb/gadget/udc/core.c:1784
raw_release+0xd7/0x260 drivers/usb/gadget/legacy/raw_gadget.c:463
__fput+0x418/0xa50 fs/file_table.c:512
task_work_run+0x1d9/0x270 kernel/task_work.c:233
resume_user_mode_work include/linux/resume_user_mode.h:50 [inline]
__exit_to_user_mode_loop kernel/entry/common.c:70 [inline]
exit_to_user_mode_loop+0x1fa/0x730 kernel/entry/common.c:101
__exit_to_user_mode_prepare include/linux/irq-entry-common.h:207 [inline]
syscall_exit_to_user_mode_prepare include/linux/irq-entry-common.h:230 [inline]
syscall_exit_to_user_mode include/linux/entry-common.h:318 [inline]
do_syscall_64+0x353/0x580 arch/x86/entry/syscall_64.c:100
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fc18f99e0d9
Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007fc18fd4fba8 EFLAGS: 00000246 ORIG_RAX: 00000000000001b4
RAX: 0000000000000000 RBX: 00007fc18fc27da0 RCX: 00007fc18f99e0d9
RDX: 0000000000000000 RSI: 000000000000001e RDI: 0000000000000003
RBP: 00007fc18fc27da0 R08: 00007fc18fc26038 R09: 0000000000000000
R10: 00000000003ffc60 R11: 0000000000000246 R12: 000000000018c679
R13: 00007fc18fc25fac R14: 000000000018bac0 R15: 00007fc18fd4fcb0
----------------
Code disassembly (best guess):
0: 4c 89 f0 mov %r14,%rax
3: 48 c1 e8 03 shr $0x3,%rax
7: 80 3c 28 00 cmpb $0x0,(%rax,%rbp,1)
b: 74 08 je 0x15
d: 4c 89 f7 mov %r14,%rdi
10: e8 89 3e d3 fa call 0xfad33e9e
15: 49 83 3e 00 cmpq $0x0,(%r14)
19: 74 40 je 0x5b
1b: e8 4e a5 65 fa call 0xfa65a56e
20: 48 8d 3d a7 21 04 09 lea 0x90421a7(%rip),%rdi # 0x90421ce
27: 48 89 de mov %rbx,%rsi
* 2a: 67 48 0f b9 3a ud1 (%edx),%rdi <-- trapping instruction
2f: b8 f0 ff ff ff mov $0xfffffff0,%eax
34: eb 11 jmp 0x47
36: e8 33 a5 65 fa call 0xfa65a56e
3b: eb 05 jmp 0x42
3d: e8 .byte 0xe8
3e: 2c a5 sub $0xa5,%al