cm109 1-1:0.8: cm109_urb_irq_callback: urb status -71
------------[ cut here ]------------
URB ffff88805b428d00 submitted while active
WARNING: drivers/usb/core/urb.c:379 at usb_submit_urb+0x7b/0x18b0 drivers/usb/core/urb.c:379, CPU#0: syz.0.2035/12904
Modules linked in:
CPU: 0 UID: 0 PID: 12904 Comm: syz.0.2035 Tainted: G L syzkaller #0 PREEMPT(full)
Tainted: [L]=SOFTLOCKUP
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
RIP: 0010:usb_submit_urb+0x7e/0x18b0 drivers/usb/core/urb.c:379
Code: 89 f0 48 c1 e8 03 42 80 3c 38 00 74 08 4c 89 f7 e8 27 47 eb fa 49 83 3e 00 74 40 e8 bc d8 81 fa 48 8d 3d a5 f6 1c 09 48 89 de <67> 48 0f b9 3a b8 f0 ff ff ff eb 11 e8 a1 d8 81 fa eb 05 e8 9a d8
RSP: 0018:ffffc90000007a00 EFLAGS: 00010087
RAX: ffffffff8744b2e4 RBX: ffff88805b428d00 RCX: 0000000000040000
RDX: ffffc90002051000 RSI: ffff88805b428d00 RDI: ffffffff9061a990
RBP: 000000000000000f R08: 0000000000000003 R09: 0000000000000004
R10: dffffc0000000000 R11: fffff52000000f40 R12: 0000000000000820
R13: ffff88802c49b030 R14: ffff88805b428d08 R15: dffffc0000000000
FS: 000055556cde0500(0000) GS:ffff888124ff2000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b31f23ffc CR3: 00000000286a8000 CR4: 00000000003526f0
Call Trace:
cm109_submit_ctl drivers/input/misc/cm109.c:380 [inline]
cm109_urb_irq_callback+0x6e2/0xc90 drivers/input/misc/cm109.c:431
__usb_hcd_giveback_urb+0x376/0x540 drivers/usb/core/hcd.c:1657
dummy_timer+0xbc0/0x4650 drivers/usb/gadget/udc/dummy_hcd.c:2005
__run_hrtimer kernel/time/hrtimer.c:1930 [inline]
__hrtimer_run_queues+0x3c0/0xa20 kernel/time/hrtimer.c:1994
hrtimer_run_softirq+0x17a/0x240 kernel/time/hrtimer.c:2011
handle_softirqs+0x22a/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:1061 [inline]
sysvec_apic_timer_interrupt+0xa6/0xc0 arch/x86/kernel/apic/apic.c:1061
asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:697
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 bd 54 e4 f5 f7 c3 00 02 00 00 74 05 e8 e0 a2 0f f6 9c 58 a9 00 02 00 00 75 27 f7 c3 00 02 00 00 74 01 fb bf 01 00 00 00 e4 ee d5 f5 65 8b 05 8d e9 a3 07 85 c0 74 18 5b 41 5e c3 cc cc
RSP: 0018:ffffc9001acafa68 EFLAGS: 00000206
RAX: 0000000000000002 RBX: 0000000000000202 RCX: 0000000080000001
RDX: 0000000000000006 RSI: ffffffff8e25fbe7 RDI: 0000000000000001
RBP: ffffc9001acafb48 R08: ffffffff90544bf7 R09: 1ffffffff20a897e
R10: dffffc0000000000 R11: fffffbfff20a897f R12: ffff88802accdc18
R13: ffff88802accdc00 R14: ffffffff8f89f900 R15: 0000000000000001
spin_unlock_irqrestore include/linux/spinlock.h:408 [inline]
usb_hcd_poll_rh_status+0x40c/0x620 drivers/usb/core/hcd.c:758
dummy_pullup+0xde/0x120 drivers/usb/gadget/udc/dummy_hcd.c:918
usb_gadget_disconnect_locked+0x143/0x4a0 drivers/usb/gadget/udc/core.c:780
gadget_unbind_driver+0xc7/0x450 drivers/usb/gadget/udc/core.c:1685
device_remove drivers/base/dd.c:631 [inline]
__device_release_driver drivers/base/dd.c:1344 [inline]
device_release_driver_internal+0x46f/0x870 drivers/base/dd.c:1367
driver_detach+0x1f3/0x2d0 drivers/base/dd.c:1430
bus_remove_driver+0x226/0x320 drivers/base/bus.c:825
usb_gadget_unregister_driver+0x4e/0x70 drivers/usb/gadget/udc/core.c:1751
raw_release+0xd7/0x260 drivers/usb/gadget/legacy/raw_gadget.c:463
__fput+0x44f/0xa70 fs/file_table.c:469
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:67 [inline]
exit_to_user_mode_loop+0xed/0x480 kernel/entry/common.c:98
__exit_to_user_mode_prepare include/linux/irq-entry-common.h:238 [inline]
syscall_exit_to_user_mode_prepare include/linux/irq-entry-common.h:269 [inline]
syscall_exit_to_user_mode include/linux/entry-common.h:325 [inline]
do_syscall_64+0x32d/0xf80 arch/x86/entry/syscall_64.c:100
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f1a9d39c799
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:00007ffd40e7fcc8 EFLAGS: 00000246 ORIG_RAX: 00000000000001b4
RAX: 0000000000000000 RBX: 00007ffd40e7fdb0 RCX: 00007f1a9d39c799
RDX: 0000000000000000 RSI: 000000000000001e RDI: 0000000000000003
RBP: 00000000000b9196 R08: 0000000000000001 R09: 0000000000000000
R10: 0000001b30d20000 R11: 0000000000000246 R12: 00007ffd40e7fdf0
R13: 00007f1a9d615fac R14: 00000000000b96d2 R15: 00007f1a9d615fa0
----------------
Code disassembly (best guess):
0: 89 f0 mov %esi,%eax
2: 48 c1 e8 03 shr $0x3,%rax
6: 42 80 3c 38 00 cmpb $0x0,(%rax,%r15,1)
b: 74 08 je 0x15
d: 4c 89 f7 mov %r14,%rdi
10: e8 27 47 eb fa call 0xfaeb473c
15: 49 83 3e 00 cmpq $0x0,(%r14)
19: 74 40 je 0x5b
1b: e8 bc d8 81 fa call 0xfa81d8dc
20: 48 8d 3d a5 f6 1c 09 lea 0x91cf6a5(%rip),%rdi # 0x91cf6cc
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 a1 d8 81 fa call 0xfa81d8dc
3b: eb 05 jmp 0x42
3d: e8 .byte 0xe8
3e: 9a (bad)
3f: d8 .byte 0xd8