cm109 6-1:0.8: cm109_urb_irq_callback: urb status -71
------------[ cut here ]------------
URB ffff888029b86500 submitted while active
WARNING: drivers/usb/core/urb.c:379 at usb_submit_urb+0x15fa/0x1910 drivers/usb/core/urb.c:379, CPU#0: syz.5.814/8964
Modules linked in:
CPU: 0 UID: 0 PID: 8964 Comm: syz.5.814 Tainted: G L syzkaller #0 PREEMPT(full)
Tainted: [L]=SOFTLOCKUP
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
RIP: 0010:usb_submit_urb+0x15fd/0x1910 drivers/usb/core/urb.c:379
Code: 00 48 8b 04 24 48 8b 90 b0 00 00 00 e9 73 ff ff ff bb ed ff ff ff e9 be f2 ff ff e8 7d b9 b2 fa 48 8d 3d f6 92 8e 09 48 89 de <67> 48 0f b9 3a bb f0 ff ff ff e9 a0 f2 ff ff c7 44 24 30 00 00 00
RSP: 0018:ffffc90000007af0 EFLAGS: 00010087
RAX: 00000000000043ff RBX: ffff888029b86500 RCX: ffffc900020d1000
RDX: 0000000000040000 RSI: ffff888029b86500 RDI: ffffffff90e46ca0
RBP: ffff88807ba568c0 R08: 0000000000000001 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000083
R13: ffff888033389058 R14: 000000000000000f R15: 0000000000000000
FS: 0000000000000000(0000) GS:ffff888124375000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000200000404030 CR3: 0000000026e6d000 CR4: 00000000003526f0
Call Trace:
cm109_submit_ctl drivers/input/misc/cm109.c:380 [inline]
cm109_urb_irq_callback+0x473/0xa70 drivers/input/misc/cm109.c:431
__usb_hcd_giveback_urb+0x38d/0x610 drivers/usb/core/hcd.c:1657
usb_hcd_giveback_urb+0x3ca/0x4a0 drivers/usb/core/hcd.c:1741
dummy_timer+0xda1/0x36c0 drivers/usb/gadget/udc/dummy_hcd.c:2005
__run_hrtimer kernel/time/hrtimer.c:1930 [inline]
__hrtimer_run_queues+0x470/0xa00 kernel/time/hrtimer.c:1994
hrtimer_run_softirq+0x17d/0x2c0 kernel/time/hrtimer.c:2011
handle_softirqs+0x1ea/0xa00 kernel/softirq.c:622
__do_softirq kernel/softirq.c:656 [inline]
invoke_softirq kernel/softirq.c:496 [inline]
__irq_exit_rcu+0x162/0x210 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+0xa3/0xc0 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+0x31/0x80 kernel/locking/spinlock.c:198
Code: f5 53 48 8b 74 24 10 48 89 fb 48 83 c7 18 e8 a6 76 57 f6 48 89 df e8 7e c6 57 f6 f7 c5 00 02 00 00 75 23 9c 58 f6 c4 02 75 37 01 00 00 00 e8 75 98 47 f6 65 8b 05 fe ae 7d 08 85 c0 74 16 5b
RSP: 0018:ffffc900058977d0 EFLAGS: 00000246
RAX: 0000000000000002 RBX: ffffffff8fbcaa00 RCX: 0000000000000040
RDX: 0000000000000000 RSI: ffffffff8df200e1 RDI: ffffffff8c1c3780
RBP: 0000000000000293 R08: 0000000000000001 R09: 0000000000000000
R10: 0000000000000001 R11: 0000000000000000 R12: 1ffff92000b12f02
R13: ffff88802b794234 R14: ffff88802b4bad00 R15: ffff88802b4bad18
spin_unlock_irqrestore include/linux/spinlock.h:408 [inline]
usb_hcd_poll_rh_status+0x5c4/0x7e0 drivers/usb/core/hcd.c:758
dummy_pullup+0x10a/0x170 drivers/usb/gadget/udc/dummy_hcd.c:918
usb_gadget_disconnect_locked+0x144/0x4f0 drivers/usb/gadget/udc/core.c:780
gadget_unbind_driver+0xd8/0x4f0 drivers/usb/gadget/udc/core.c:1686
device_remove+0xcb/0x180 drivers/base/dd.c:619
__device_release_driver drivers/base/dd.c:1352 [inline]
device_release_driver_internal+0x44e/0x620 drivers/base/dd.c:1375
driver_detach+0xd8/0x1b0 drivers/base/dd.c:1438
bus_remove_driver+0x13b/0x2e0 drivers/base/bus.c:825
driver_unregister+0x76/0xb0 drivers/base/driver.c:277
usb_gadget_unregister_driver+0x49/0x70 drivers/usb/gadget/udc/core.c:1752
raw_release+0x19b/0x260 drivers/usb/gadget/legacy/raw_gadget.c:463
__fput+0x3ff/0xb50 fs/file_table.c:510
task_work_run+0x150/0x240 kernel/task_work.c:233
exit_task_work include/linux/task_work.h:40 [inline]
do_exit+0x8d2/0x2a60 kernel/exit.c:975
do_group_exit+0xd5/0x2a0 kernel/exit.c:1117
get_signal+0x1ec7/0x21e0 kernel/signal.c:3037
arch_do_signal_or_restart+0x91/0x7a0 arch/x86/kernel/signal.c:337
__exit_to_user_mode_loop kernel/entry/common.c:64 [inline]
exit_to_user_mode_loop+0x86/0x4a0 kernel/entry/common.c:98
__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:238 [inline]
syscall_exit_to_user_mode include/linux/entry-common.h:318 [inline]
do_syscall_64+0x706/0xf80 arch/x86/entry/syscall_64.c:100
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7ff2ce99cdd9
Code: Unable to access opcode bytes at 0x7ff2ce99cdaf.
RSP: 002b:00007ff2cf80b0e8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca
RAX: fffffffffffffe00 RBX: 00007ff2cec16278 RCX: 00007ff2ce99cdd9
RDX: 0000000000000000 RSI: 0000000000000080 RDI: 00007ff2cec16278
RBP: 00007ff2cec16270 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ff2cec16308 R14: 00007fff0d45f5e0 R15: 00007fff0d45f6c8
----------------
Code disassembly (best guess):
0: 00 48 8b add %cl,-0x75(%rax)
3: 04 24 add $0x24,%al
5: 48 8b 90 b0 00 00 00 mov 0xb0(%rax),%rdx
c: e9 73 ff ff ff jmp 0xffffff84
11: bb ed ff ff ff mov $0xffffffed,%ebx
16: e9 be f2 ff ff jmp 0xfffff2d9
1b: e8 7d b9 b2 fa call 0xfab2b99d
20: 48 8d 3d f6 92 8e 09 lea 0x98e92f6(%rip),%rdi # 0x98e931d
27: 48 89 de mov %rbx,%rsi
* 2a: 67 48 0f b9 3a ud1 (%edx),%rdi <-- trapping instruction
2f: bb f0 ff ff ff mov $0xfffffff0,%ebx
34: e9 a0 f2 ff ff jmp 0xfffff2d9
39: c7 .byte 0xc7
3a: 44 24 30 rex.R and $0x30,%al
3d: 00 00 add %al,(%rax)