cm109 2-1:0.8: cm109_urb_irq_callback: urb status -71
------------[ cut here ]------------
URB ffff88807c495900 submitted while active
WARNING: drivers/usb/core/urb.c:380 at usb_submit_urb+0x7b/0x18b0 drivers/usb/core/urb.c:380, CPU#1: syz.1.11407/27119
Modules linked in:
CPU: 1 UID: 0 PID: 27119 Comm: syz.1.11407 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:380
Code: 89 f0 48 c1 e8 03 42 80 3c 38 00 74 08 4c 89 f7 e8 27 1e fa fa 49 83 3e 00 74 40 e8 dc 15 90 fa 48 8d 3d 85 37 e9 08 48 89 de <67> 48 0f b9 3a b8 f0 ff ff ff eb 11 e8 c1 15 90 fa eb 05 e8 ba 15
RSP: 0018:ffffc90000a08960 EFLAGS: 00010087
RAX: ffffffff87357204 RBX: ffff88807c495900 RCX: 0000000000040000
RDX: ffffc90002342000 RSI: ffff88807c495900 RDI: ffffffff901ea990
RBP: 000000000000000f R08: 0000000000000003 R09: 0000000000000004
R10: dffffc0000000000 R11: fffff5200014112c R12: 0000000000000820
R13: ffff88802feb0830 R14: ffff88807c495908 R15: dffffc0000000000
FS: 0000000000000000(0000) GS:ffff88812556a000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000020000006f030 CR3: 00000000447b0000 CR4: 00000000003526f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000600
Call Trace:
cm109_submit_ctl drivers/input/misc/cm109.c:380 [inline]
cm109_urb_irq_callback+0x6e2/0xcb0 drivers/input/misc/cm109.c:431
__usb_hcd_giveback_urb+0x376/0x540 drivers/usb/core/hcd.c:1661
dummy_timer+0xbbd/0x45d0 drivers/usb/gadget/udc/dummy_hcd.c:1995
__run_hrtimer kernel/time/hrtimer.c:1785 [inline]
__hrtimer_run_queues+0x53a/0xcc0 kernel/time/hrtimer.c:1849
hrtimer_run_softirq+0x182/0x5a0 kernel/time/hrtimer.c:1866
handle_softirqs+0x22a/0x870 kernel/softirq.c:622
__do_softirq kernel/softirq.c:656 [inline]
invoke_softirq kernel/softirq.c:496 [inline]
__irq_exit_rcu+0x5f/0x150 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:preempt_schedule_thunk+0x1/0x30 arch/x86/entry/thunk.S:12
Code: 91 00 48 c7 c0 60 59 c0 8b e9 4b 7b 7b 0a cc cc cc cc cc cc cc cc cc cc cc 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 55 <48> 89 e5 57 56 52 51 50 41 50 41 51 41 52 41 53 e8 fa c4 79 0a 41
RSP: 0018:ffffc90005357758 EFLAGS: 00000246
RAX: 0000000000000000 RBX: 0000000000000293 RCX: 0000000000000000
RDX: 0000000000000006 RSI: ffffffff8deeea76 RDI: 00000000ffffffff
RBP: dffffc0000000000 R08: ffffffff90116eb7 R09: 1ffffffff2022dd6
R10: dffffc0000000000 R11: fffffbfff2022dd7 R12: 1ffff1100fc56130
R13: ffff888029b64760 R14: ffff88807e2b0868 R15: ffff88807e2b0910
__raw_spin_unlock_irqrestore include/linux/spinlock_api_smp.h:179 [inline]
_raw_spin_unlock_irqrestore+0x74/0x80 kernel/locking/spinlock.c:194
spin_unlock_irqrestore include/linux/spinlock.h:407 [inline]
raw_event_queue_add drivers/usb/gadget/legacy/raw_gadget.c:-1 [inline]
raw_queue_event+0x1ed/0x2e0 drivers/usb/gadget/legacy/raw_gadget.c:240
gadget_disconnect+0x51/0xe0 drivers/usb/gadget/legacy/raw_gadget.c:388
usb_gadget_disconnect_locked+0x233/0x4d0 drivers/usb/gadget/udc/core.c:786
gadget_unbind_driver+0xc7/0x450 drivers/usb/gadget/udc/core.c:1685
device_remove drivers/base/dd.c:571 [inline]
__device_release_driver drivers/base/dd.c:1284 [inline]
device_release_driver_internal+0x46f/0x860 drivers/base/dd.c:1307
driver_detach+0x1f3/0x2d0 drivers/base/dd.c:1370
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+0x44f/0xa70 fs/file_table.c:469
task_work_run+0x1d9/0x270 kernel/task_work.c:233
exit_task_work include/linux/task_work.h:40 [inline]
do_exit+0x69b/0x2320 kernel/exit.c:971
do_group_exit+0x21b/0x2d0 kernel/exit.c:1112
get_signal+0x1284/0x1330 kernel/signal.c:3034
arch_do_signal_or_restart+0xbc/0x830 arch/x86/kernel/signal.c:337
__exit_to_user_mode_loop kernel/entry/common.c:64 [inline]
exit_to_user_mode_loop+0x86/0x480 kernel/entry/common.c:98
__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 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: 0033:0x7fd6de79c629
Code: Unable to access opcode bytes at 0x7fd6de79c5ff.
RSP: 002b:00007fd6df61b028 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
RAX: fffffffffffffe00 RBX: 00007fd6dea16090 RCX: 00007fd6de79c629
RDX: ffffffffffffff94 RSI: 0000200000000000 RDI: 0000000000000004
RBP: 00007fd6de832b39 R08: 0000000000000000 R09: 0000000000000000
R10: 000000000000000b R11: 0000000000000246 R12: 0000000000000000
R13: 00007fd6dea16128 R14: 00007fd6dea16090 R15: 00007fd6deb3fa48
----------------
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 1e fa fa call 0xfafa1e3c
15: 49 83 3e 00 cmpq $0x0,(%r14)
19: 74 40 je 0x5b
1b: e8 dc 15 90 fa call 0xfa9015fc
20: 48 8d 3d 85 37 e9 08 lea 0x8e93785(%rip),%rdi # 0x8e937ac
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 c1 15 90 fa call 0xfa9015fc
3b: eb 05 jmp 0x42
3d: e8 .byte 0xe8
3e: ba .byte 0xba
3f: 15 .byte 0x15