cm109 4-1:0.8: cm109_urb_irq_callback: urb status -71
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URB ffff888021b00700 submitted while active
WARNING: drivers/usb/core/urb.c:380 at 0x0, CPU#0: syz.3.2669/15536
Modules linked in:
CPU: 0 UID: 0 PID: 15536 Comm: syz.3.2669 Tainted: G L syzkaller #0 PREEMPT(full)
Tainted: [L]=SOFTLOCKUP
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
RIP: 0010:usb_submit_urb+0x7e/0x18d0 drivers/usb/core/urb.c:380
Code: 89 f0 48 c1 e8 03 42 80 3c 38 00 74 08 4c 89 f7 e8 87 a9 28 fb 49 83 3e 00 74 40 e8 6c 57 c2 fa 48 8d 3d b5 5d 8f 08 48 89 de <67> 48 0f b9 3a b8 f0 ff ff ff eb 11 e8 51 57 c2 fa eb 05 e8 4a 57
RSP: 0018:ffffc90000007878 EFLAGS: 00010087
RAX: ffffffff86ff5944 RBX: ffff888021b00700 RCX: 0000000000040000
RDX: ffffc900021b1000 RSI: ffff888021b00700 RDI: ffffffff8f8eb700
RBP: 000000000000000f R08: 0000000000000003 R09: 0000000000000004
R10: dffffc0000000000 R11: fffff52000000f00 R12: 0000000000000820
R13: ffff888053d1a830 R14: ffff888021b00708 R15: dffffc0000000000
FS: 0000000000000000(0000) GS:ffff888125e3a000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000200000003000 CR3: 000000007d0fa000 CR4: 00000000003526f0
Call Trace:
cm109_submit_ctl drivers/input/misc/cm109.c:380 [inline]
cm109_urb_irq_callback+0x709/0xcd0 drivers/input/misc/cm109.c:431
__usb_hcd_giveback_urb+0x376/0x540 drivers/usb/core/hcd.c:1661
dummy_timer+0x85f/0x45b0 drivers/usb/gadget/udc/dummy_hcd.c:1995
__run_hrtimer kernel/time/hrtimer.c:1777 [inline]
__hrtimer_run_queues+0x51c/0xc30 kernel/time/hrtimer.c:1841
hrtimer_run_softirq+0x187/0x2b0 kernel/time/hrtimer.c:1858
handle_softirqs+0x27d/0x850 kernel/softirq.c:622
__do_softirq kernel/softirq.c:656 [inline]
invoke_softirq kernel/softirq.c:496 [inline]
__irq_exit_rcu+0xca/0x1f0 kernel/softirq.c:723
irq_exit_rcu+0x9/0x30 kernel/softirq.c:739
instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1056 [inline]
sysvec_apic_timer_interrupt+0xa6/0xc0 arch/x86/kernel/apic/apic.c:1056
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:152 [inline]
RIP: 0010:_raw_spin_unlock_irqrestore+0xa8/0x110 kernel/locking/spinlock.c:194
Code: 74 05 e8 3b e9 6b f6 48 c7 44 24 20 00 00 00 00 9c 8f 44 24 20 f6 44 24 21 02 75 4f f7 c3 00 02 00 00 74 01 fb bf 01 00 00 00 93 6d 33 f6 65 8b 05 4c c1 20 07 85 c0 74 40 48 c7 04 24 0e 36
RSP: 0018:ffffc9000341f6e0 EFLAGS: 00000206
RAX: ba4251c9f04c6c00 RBX: 0000000000000a02 RCX: ba4251c9f04c6c00
RDX: 0000000000000006 RSI: ffffffff8d78fe62 RDI: 0000000000000001
RBP: ffffc9000341f768 R08: ffffffff8f81f777 R09: 1ffffffff1f03eee
R10: dffffc0000000000 R11: fffffbfff1f03eef R12: dffffc0000000000
R13: 1ffff110050aa17f R14: ffff888028550000 R15: 1ffff92000683edc
spin_unlock_irqrestore include/linux/spinlock.h:406 [inline]
dummy_pullup+0x18c/0x200 drivers/usb/gadget/udc/dummy_hcd.c:926
usb_gadget_disconnect_locked+0x143/0x490 drivers/usb/gadget/udc/core.c:780
gadget_unbind_driver+0xc7/0x460 drivers/usb/gadget/udc/core.c:1685
device_remove drivers/base/dd.c:569 [inline]
__device_release_driver drivers/base/dd.c:1282 [inline]
device_release_driver_internal+0x46f/0x800 drivers/base/dd.c:1305
driver_detach+0x1f3/0x2d0 drivers/base/dd.c:1368
bus_remove_driver+0x226/0x320 drivers/base/bus.c:784
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+0x44c/0xa70 fs/file_table.c:468
task_work_run+0x1d4/0x260 kernel/task_work.c:233
exit_task_work include/linux/task_work.h:40 [inline]
do_exit+0x6c5/0x2310 kernel/exit.c:971
do_group_exit+0x21c/0x2d0 kernel/exit.c:1112
get_signal+0x1285/0x1340 kernel/signal.c:3034
arch_do_signal_or_restart+0x9a/0x7a0 arch/x86/kernel/signal.c:337
__exit_to_user_mode_loop kernel/entry/common.c:41 [inline]
exit_to_user_mode_loop+0x87/0x4f0 kernel/entry/common.c:75
__exit_to_user_mode_prepare include/linux/irq-entry-common.h:226 [inline]
syscall_exit_to_user_mode_prepare include/linux/irq-entry-common.h:256 [inline]
syscall_exit_to_user_mode_work include/linux/entry-common.h:159 [inline]
syscall_exit_to_user_mode include/linux/entry-common.h:194 [inline]
do_syscall_64+0x2e3/0xf80 arch/x86/entry/syscall_64.c:100
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f1cc8fc2005
Code: Unable to access opcode bytes at 0x7f1cc8fc1fdb.
RSP: 002b:00007f1cc9d64f50 EFLAGS: 00000293 ORIG_RAX: 00000000000000e6
RAX: fffffffffffffdfc RBX: 0000000000000003 RCX: 00007f1cc8fc2005
RDX: 00007f1cc9d64f90 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 0000000000000004 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000293 R12: 00007f1cc9d64fe8
R13: 0000200000000140 R14: 00007f1cc91e5fa0 R15: 00007f1cc930fa28
----------------
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 87 a9 28 fb call 0xfb28a99c
15: 49 83 3e 00 cmpq $0x0,(%r14)
19: 74 40 je 0x5b
1b: e8 6c 57 c2 fa call 0xfac2578c
20: 48 8d 3d b5 5d 8f 08 lea 0x88f5db5(%rip),%rdi # 0x88f5ddc
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 51 57 c2 fa call 0xfac2578c
3b: eb 05 jmp 0x42
3d: e8 .byte 0xe8
3e: 4a 57 rex.WX push %rdi