cm109 4-1:0.8: cm109_urb_irq_callback: urb status -71
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URB ffff88802601df00 submitted while active
WARNING: CPU: 0 PID: 1107 at drivers/usb/core/urb.c:378 usb_submit_urb+0xff2/0x1910 drivers/usb/core/urb.c:378
Modules linked in:
CPU: 0 PID: 1107 Comm: kworker/0:2 Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026
Workqueue: usb_hub_wq hub_event
RIP: 0010:usb_submit_urb+0xff2/0x1910 drivers/usb/core/urb.c:378
Code: 1b c5 8a 89 ea e8 4e 3c d7 03 e9 fb fb ff ff e8 14 fc 9a fb c6 05 2d 18 98 07 01 48 c7 c7 e0 19 c5 8a 48 89 de e8 4e 54 d3 03 <0f> 0b e9 84 f0 ff ff e8 f2 fb 9a fb eb 21 e8 eb fb 9a fb 44 8b 6c
RSP: 0018:ffffc90000007780 EFLAGS: 00010046
RAX: 0dcc1ad0c492ce00 RBX: ffff88802601df00 RCX: 0000000000040000
RDX: ffffc900020e9000 RSI: 0000000000000802 RDI: 0000000000000803
RBP: 000000000000000f R08: ffff8880b902795b R09: 1ffff11017204f2b
R10: dffffc0000000000 R11: ffffed1017204f2c R12: dffffc0000000000
R13: 0000000000000a20 R14: ffff88802601df08 R15: ffff88805f7a7848
FS: 0000000000000000(0000) GS:ffff8880b9000000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b3271cff8 CR3: 000000007d5d2000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
cm109_urb_irq_callback+0x701/0xc70 drivers/input/misc/cm109.c:422
__usb_hcd_giveback_urb+0x35f/0x520 drivers/usb/core/hcd.c:1674
dummy_timer+0x8a8/0x31e0 drivers/usb/gadget/udc/dummy_hcd.c:1988
call_timer_fn+0x17b/0x540 kernel/time/timer.c:1648
expire_timers kernel/time/timer.c:1699 [inline]
__run_timers+0x53e/0x800 kernel/time/timer.c:1970
run_timer_softirq+0x63/0xf0 kernel/time/timer.c:1983
handle_softirqs+0x339/0x830 kernel/softirq.c:576
__do_softirq kernel/softirq.c:610 [inline]
invoke_softirq kernel/softirq.c:450 [inline]
__irq_exit_rcu+0x13b/0x230 kernel/softirq.c:659
irq_exit_rcu+0x5/0x20 kernel/softirq.c:671
instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1108 [inline]
sysvec_apic_timer_interrupt+0xa0/0xc0 arch/x86/kernel/apic/apic.c:1108
asm_sysvec_apic_timer_interrupt+0x16/0x20 arch/x86/include/asm/idtentry.h:676
RIP: 0010:lock_acquire+0x208/0x400 kernel/locking/lockdep.c:5627
Code: f7 84 24 80 00 00 00 00 02 00 00 43 c6 44 3d 04 f8 0f 85 f1 00 00 00 41 f7 c6 00 02 00 00 74 01 fb 48 c7 44 24 60 0e 36 e0 45 <4b> c7 44 3d 00 00 00 00 00 43 c7 44 3d 08 00 00 00 00 65 48 8b 04
RSP: 0018:ffffc90004db7180 EFLAGS: 00000206
RAX: 0000000000000001 RBX: 0000000000000000 RCX: 0dcc1ad0c492ce00
RDX: dffffc0000000000 RSI: ffffffff8a2b3a20 RDI: ffffffff8a79f980
RBP: ffffc90004db7298 R08: dffffc0000000000 R09: 1ffffffff203a857
R10: dffffc0000000000 R11: fffffbfff203a858 R12: ffffffff8c44fa10
R13: 1ffff920009b6e3c R14: 0000000000000246 R15: dffffc0000000000
down_read+0x44/0x2e0 kernel/locking/rwsem.c:1498
kernfs_find_and_get_ns+0x20/0xc0 fs/kernfs/dir.c:884
kernfs_find_and_get include/linux/kernfs.h:553 [inline]
sysfs_unmerge_group+0x5e/0x130 fs/sysfs/group.c:366
dpm_sysfs_remove+0x5b/0xc0 drivers/base/power/sysfs.c:833
device_del+0x2cb/0xaf0 drivers/base/core.c:3577
device_unregister+0x1c/0xc0 drivers/base/core.c:3633
i2c_del_adapter+0x609/0x760 drivers/i2c/i2c-core-base.c:1812
em28xx_i2c_unregister+0x44/0x50 drivers/media/usb/em28xx/em28xx-i2c.c:1037
em28xx_release_resources+0x14a/0x240 drivers/media/usb/em28xx/em28xx-cards.c:3489
em28xx_usb_disconnect+0x196/0x2e0 drivers/media/usb/em28xx/em28xx-cards.c:4154
usb_unbind_interface+0x1ee/0x860 drivers/usb/core/driver.c:458
__device_release_driver drivers/base/dd.c:1229 [inline]
device_release_driver_internal+0x4b4/0x750 drivers/base/dd.c:1262
bus_remove_device+0x2e2/0x400 drivers/base/bus.c:531
device_del+0x6af/0xaf0 drivers/base/core.c:3600
usb_disable_device+0x3e2/0x890 drivers/usb/core/message.c:1414
usb_disconnect+0x348/0x8a0 drivers/usb/core/hub.c:2287
hub_port_connect drivers/usb/core/hub.c:5341 [inline]
hub_port_connect_change drivers/usb/core/hub.c:5637 [inline]
port_event drivers/usb/core/hub.c:5799 [inline]
hub_event+0x1ecb/0x55e0 drivers/usb/core/hub.c:5881
process_one_work+0x85f/0x1010 kernel/workqueue.c:2310
process_scheduled_works kernel/workqueue.c:2373 [inline]
worker_thread+0xd60/0x1290 kernel/workqueue.c:2459
kthread+0x436/0x520 kernel/kthread.c:334
ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:287
----------------
Code disassembly (best guess):
0: f7 84 24 80 00 00 00 testl $0x200,0x80(%rsp)
7: 00 02 00 00
b: 43 c6 44 3d 04 f8 movb $0xf8,0x4(%r13,%r15,1)
11: 0f 85 f1 00 00 00 jne 0x108
17: 41 f7 c6 00 02 00 00 test $0x200,%r14d
1e: 74 01 je 0x21
20: fb sti
21: 48 c7 44 24 60 0e 36 movq $0x45e0360e,0x60(%rsp)
28: e0 45
* 2a: 4b c7 44 3d 00 00 00 movq $0x0,0x0(%r13,%r15,1) <-- trapping instruction
31: 00 00
33: 43 c7 44 3d 08 00 00 movl $0x0,0x8(%r13,%r15,1)
3a: 00 00
3c: 65 gs
3d: 48 rex.W
3e: 8b .byte 0x8b
3f: 04 .byte 0x4