cm109 3-1:0.8: cm109_urb_irq_callback: urb status -71
------------[ cut here ]------------
URB ffff88802568dc00 submitted while active
WARNING: CPU: 1 PID: 19098 at drivers/usb/core/urb.c:379 usb_submit_urb+0xf40/0x17d0 drivers/usb/core/urb.c:379
Modules linked in:
CPU: 1 PID: 19098 Comm: syz.2.20376 Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026
RIP: 0010:usb_submit_urb+0xf40/0x17d0 drivers/usb/core/urb.c:379
Code: 6b 8b 44 89 fa e8 20 ff 1c 04 e9 28 fc ff ff e8 a6 0c 25 fb c6 05 ea a3 13 08 01 48 c7 c7 e0 53 6b 8b 48 89 de e8 10 c3 ee fa <0f> 0b e9 3a f1 ff ff e8 84 0c 25 fb eb 11 e8 7d 0c 25 fb bd 80 00
RSP: 0018:ffffc900001f0888 EFLAGS: 00010046
RAX: 214b7f5d98adb500 RBX: ffff88802568dc00 RCX: 0000000000040000
RDX: ffffc90002311000 RSI: 00000000000020fc RDI: 00000000000020fd
RBP: 000000000000000f R08: ffff8880b8f28c13 R09: 1ffff110171e5182
R10: dffffc0000000000 R11: ffffed10171e5183 R12: dffffc0000000000
R13: ffff8880772ab030 R14: ffff88802568dc08 R15: 0000000000000820
FS: 000055555b4ec500(0000) GS:ffff8880b8f00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b2d915ff8 CR3: 0000000068aa1000 CR4: 00000000003506e0
Call Trace:
cm109_urb_irq_callback+0x705/0xc70 drivers/input/misc/cm109.c:422
__usb_hcd_giveback_urb+0x35f/0x520 drivers/usb/core/hcd.c:1650
dummy_timer+0x8de/0x3320 drivers/usb/gadget/udc/dummy_hcd.c:2003
__run_hrtimer kernel/time/hrtimer.c:1750 [inline]
__hrtimer_run_queues+0x520/0xc40 kernel/time/hrtimer.c:1814
hrtimer_run_softirq+0x187/0x2b0 kernel/time/hrtimer.c:1831
handle_softirqs+0x280/0x820 kernel/softirq.c:578
__do_softirq kernel/softirq.c:612 [inline]
invoke_softirq kernel/softirq.c:452 [inline]
__irq_exit_rcu+0xd3/0x190 kernel/softirq.c:661
irq_exit_rcu+0x9/0x20 kernel/softirq.c:673
instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1088 [inline]
sysvec_apic_timer_interrupt+0xa4/0xc0 arch/x86/kernel/apic/apic.c:1088
asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:687
RIP: 0010:__raw_spin_unlock_irqrestore include/linux/spinlock_api_smp.h:152 [inline]
RIP: 0010:_raw_spin_unlock_irqrestore+0xc0/0x120 kernel/locking/spinlock.c:194
Code: c7 44 24 20 00 00 00 00 9c 8f 44 24 20 f7 44 24 20 00 02 00 00 41 c6 04 07 f8 75 4b f7 c3 00 02 00 00 74 01 fb bf 01 00 00 00 0b 84 cc f6 65 8b 05 4c b1 73 75 85 c0 74 3c 48 c7 04 24 0e 36
RSP: 0018:ffffc900052879e0 EFLAGS: 00000206
RAX: dffffc0000000004 RBX: 0000000000000a06 RCX: 214b7f5d98adb500
RDX: dffffc0000000000 RSI: ffffffff8acac9e0 RDI: 0000000000000001
RBP: ffffc90005287a70 R08: ffffffff911c55ff R09: 1ffffffff2238abf
R10: dffffc0000000000 R11: fffffbfff2238ac0 R12: dffffc0000000000
R13: ffff888142373600 R14: ffffffff8dccea00 R15: 1ffff92000a50f3c
spin_unlock_irqrestore include/linux/spinlock.h:406 [inline]
usb_hcd_poll_rh_status+0x403/0x610 drivers/usb/core/hcd.c:764
dummy_pullup+0xdb/0x120 drivers/usb/gadget/udc/dummy_hcd.c:917
usb_gadget_disconnect_locked+0x13d/0x470 drivers/usb/gadget/udc/core.c:780
gadget_unbind_driver+0xc7/0x420 drivers/usb/gadget/udc/core.c:1669
device_remove drivers/base/dd.c:567 [inline]
__device_release_driver drivers/base/dd.c:1272 [inline]
device_release_driver_internal+0x468/0x7a0 drivers/base/dd.c:1295
driver_detach+0x1f3/0x2d0 drivers/base/dd.c:1358
bus_remove_driver+0x221/0x2f0 drivers/base/bus.c:744
usb_gadget_unregister_driver+0x4e/0x70 drivers/usb/gadget/udc/core.c:1735
raw_release+0xda/0x260 drivers/usb/gadget/legacy/raw_gadget.c:416
__fput+0x234/0x970 fs/file_table.c:384
task_work_run+0x1d4/0x260 kernel/task_work.c:245
resume_user_mode_work include/linux/resume_user_mode.h:49 [inline]
exit_to_user_mode_loop+0xe6/0x110 kernel/entry/common.c:177
exit_to_user_mode_prepare+0xee/0x180 kernel/entry/common.c:210
__syscall_exit_to_user_mode_work kernel/entry/common.c:291 [inline]
syscall_exit_to_user_mode+0x1a/0x50 kernel/entry/common.c:302
do_syscall_64+0x61/0xa0 arch/x86/entry/common.c:82
entry_SYSCALL_64_after_hwframe+0x68/0xd2
RIP: 0033:0x7f07e679c819
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:00007fff145abb98 EFLAGS: 00000246 ORIG_RAX: 00000000000001b4
RAX: 0000000000000000 RBX: 00007fff145abc80 RCX: 00007f07e679c819
RDX: 0000000000000000 RSI: 000000000000001e RDI: 0000000000000003
RBP: 00000000001fdcd1 R08: 0000000000000001 R09: 0000000000000000
R10: 0000001b2c720000 R11: 0000000000000246 R12: 00007fff145abcc0
R13: 00007f07e6a15fac R14: 00000000001fe1a8 R15: 00007f07e6a15fa0
----------------
Code disassembly (best guess):
0: c7 44 24 20 00 00 00 movl $0x0,0x20(%rsp)
7: 00
8: 9c pushf
9: 8f 44 24 20 pop 0x20(%rsp)
d: f7 44 24 20 00 02 00 testl $0x200,0x20(%rsp)
14: 00
15: 41 c6 04 07 f8 movb $0xf8,(%r15,%rax,1)
1a: 75 4b jne 0x67
1c: f7 c3 00 02 00 00 test $0x200,%ebx
22: 74 01 je 0x25
24: fb sti
25: bf 01 00 00 00 mov $0x1,%edi
* 2a: e8 0b 84 cc f6 call 0xf6cc843a <-- trapping instruction
2f: 65 8b 05 4c b1 73 75 mov %gs:0x7573b14c(%rip),%eax # 0x7573b182
36: 85 c0 test %eax,%eax
38: 74 3c je 0x76
3a: 48 rex.W
3b: c7 .byte 0xc7
3c: 04 24 add $0x24,%al
3e: 0e (bad)
3f: 36 ss