cdc_ncm 2-1:1.0 usb0: register 'cdc_ncm' at usb-dummy_hcd.1-1, CDC NCM (NO ZLP), 42:42:42:42:42:42
usb 2-1: USB disconnect, device number 77
cdc_ncm 2-1:1.0 usb0: unregister 'cdc_ncm' usb-dummy_hcd.1-1, CDC NCM (NO ZLP)
------------[ cut here ]------------
WARNING: CPU: 1 PID: 8830 at lib/debugobjects.c:514 debug_print_object+0xc4/0xd8 lib/debugobjects.c:514
ODEBUG: free active (active state 0) object: 851adfcc object type: work_struct hint: usbnet_deferred_kevent+0x0/0x394 drivers/net/usb/usbnet.c:633
Modules linked in:
Kernel panic - not syncing: kernel: panic_on_warn set ...
CPU: 1 UID: 0 PID: 8830 Comm: kworker/1:13 Not tainted 6.12.0-rc3-syzkaller #0
Hardware name: ARM-Versatile Express
Workqueue: usb_hub_wq hub_event
Call trace: 
[<81999710>] (dump_backtrace) from [<8199980c>] (show_stack+0x18/0x1c arch/arm/kernel/traps.c:257)
 r7:00000000 r6:82622f44 r5:00000000 r4:8203d7c4
[<819997f4>] (show_stack) from [<819b7ca8>] (__dump_stack lib/dump_stack.c:94 [inline])
[<819997f4>] (show_stack) from [<819b7ca8>] (dump_stack_lvl+0x54/0x7c lib/dump_stack.c:120)
[<819b7c54>] (dump_stack_lvl) from [<819b7ce8>] (dump_stack+0x18/0x1c lib/dump_stack.c:129)
 r5:00000000 r4:82870d18
[<819b7cd0>] (dump_stack) from [<8199a338>] (panic+0x120/0x374 kernel/panic.c:354)
[<8199a218>] (panic) from [<802420e0>] (check_panic_on_warn kernel/panic.c:243 [inline])
[<8199a218>] (panic) from [<802420e0>] (get_taint+0x0/0x1c kernel/panic.c:238)
 r3:8260c5c4 r2:00000001 r1:82025b98 r0:8202d600
 r7:80854740
[<8024206c>] (check_panic_on_warn) from [<80242244>] (__warn+0x80/0x188 kernel/panic.c:748)
[<802421c4>] (__warn) from [<80242534>] (warn_slowpath_fmt+0x1e8/0x1f4 kernel/panic.c:783)
 r8:00000009 r7:8208c8c0 r6:e0031a8c r5:84649800 r4:00000000
[<80242350>] (warn_slowpath_fmt) from [<80854740>] (debug_print_object+0xc4/0xd8 lib/debugobjects.c:514)
 r10:00000005 r9:851ad800 r8:81a01c24 r7:820b76b0 r6:828dd084 r5:e0031b34
 r4:8260cda4
[<8085467c>] (debug_print_object) from [<80855fd0>] (__debug_check_no_obj_freed lib/debugobjects.c:989 [inline])
[<8085467c>] (debug_print_object) from [<80855fd0>] (debug_check_no_obj_freed+0x254/0x2a0 lib/debugobjects.c:1019)
 r8:851ae000 r7:851adfcc r6:00000100 r5:00000003 r4:00000000
[<80855d7c>] (debug_check_no_obj_freed) from [<804c9154>] (slab_free_hook mm/slub.c:2273 [inline])
[<80855d7c>] (debug_check_no_obj_freed) from [<804c9154>] (slab_free mm/slub.c:4579 [inline])
[<80855d7c>] (debug_check_no_obj_freed) from [<804c9154>] (kfree+0x190/0x394 mm/slub.c:4727)
 r10:8277e5bc r9:8413a080 r8:851ad800 r7:8046d128 r6:82c023c0 r5:ddeb0ba0
 r4:851ad800
[<804c8fc4>] (kfree) from [<8046d128>] (kvfree+0x2c/0x30 mm/util.c:701)
 r10:8277e5bc r9:8413a080 r8:851ad800 r7:00000000 r6:84bacb40 r5:85618c00
 r4:851ad800
[<8046d0fc>] (kvfree) from [<814fbb48>] (netdev_release+0x2c/0x34 net/core/net-sysfs.c:2034)
 r5:85618c00 r4:851ad800
[<814fbb1c>] (netdev_release) from [<80aa3a6c>] (device_release+0x38/0xa8 drivers/base/core.c:2575)
 r5:85618c00 r4:851adbc0
[<80aa3a34>] (device_release) from [<8197356c>] (kobject_cleanup lib/kobject.c:689 [inline])
[<80aa3a34>] (device_release) from [<8197356c>] (kobject_release lib/kobject.c:720 [inline])
[<80aa3a34>] (device_release) from [<8197356c>] (kref_put include/linux/kref.h:65 [inline])
[<80aa3a34>] (device_release) from [<8197356c>] (kobject_put+0xa0/0x1f4 lib/kobject.c:737)
 r5:81b4c9c4 r4:851adbc0
[<819734cc>] (kobject_put) from [<80aa3c98>] (put_device+0x18/0x1c drivers/base/core.c:3783)
 r7:8413bc00 r6:00000000 r5:851ad800 r4:00000000
[<80aa3c80>] (put_device) from [<814b01e8>] (free_netdev+0x134/0x1ac net/core/dev.c:11255)
[<814b00b4>] (free_netdev) from [<80d87a18>] (usbnet_disconnect+0xb8/0xfc drivers/net/usb/usbnet.c:1652)
 r6:851adf94 r5:851ade80 r4:00000000
[<80d87960>] (usbnet_disconnect) from [<80df0108>] (usb_unbind_interface+0x84/0x2c4 drivers/usb/core/driver.c:461)
 r8:00000044 r7:8413bc30 r6:8277e5bc r5:00000000 r4:8413bc00
[<80df0084>] (usb_unbind_interface) from [<80aabb5c>] (device_remove drivers/base/dd.c:569 [inline])
[<80df0084>] (usb_unbind_interface) from [<80aabb5c>] (device_remove+0x64/0x6c drivers/base/dd.c:561)
 r10:00000000 r9:8413a080 r8:00000044 r7:8413bc74 r6:8277e5bc r5:00000000
 r4:8413bc30
[<80aabaf8>] (device_remove) from [<80aad048>] (__device_release_driver drivers/base/dd.c:1273 [inline])
[<80aabaf8>] (device_remove) from [<80aad048>] (device_release_driver_internal+0x18c/0x200 drivers/base/dd.c:1296)
 r5:00000000 r4:8413bc30
[<80aacebc>] (device_release_driver_internal) from [<80aad0d4>] (device_release_driver+0x18/0x1c drivers/base/dd.c:1319)
 r9:8413a080 r8:82f98e40 r7:82f98e38 r6:82f98e0c r5:8413bc30 r4:82f98e30
[<80aad0bc>] (device_release_driver) from [<80aab1b8>] (bus_remove_device+0xcc/0x120 drivers/base/bus.c:576)
[<80aab0ec>] (bus_remove_device) from [<80aa54f4>] (device_del+0x148/0x38c drivers/base/core.c:3864)
 r9:8413a080 r8:84649800 r7:04208060 r6:00000000 r5:8413bc30 r4:8413bc74
[<80aa53ac>] (device_del) from [<80dedb24>] (usb_disable_device+0xdc/0x1f0 drivers/usb/core/message.c:1418)
 r10:00000000 r9:00000000 r8:8413bc00 r7:8413a000 r6:84bab708 r5:00000001
 r4:00000038
[<80deda48>] (usb_disable_device) from [<80de2988>] (usb_disconnect+0xec/0x29c drivers/usb/core/hub.c:2304)
 r10:00000001 r9:846f8200 r8:8413a0c4 r7:83e60400 r6:8413a080 r5:8413a000
 r4:60000113
[<80de289c>] (usb_disconnect) from [<80de5638>] (hub_port_connect drivers/usb/core/hub.c:5361 [inline])
[<80de289c>] (usb_disconnect) from [<80de5638>] (hub_port_connect_change drivers/usb/core/hub.c:5661 [inline])
[<80de289c>] (usb_disconnect) from [<80de5638>] (port_event drivers/usb/core/hub.c:5821 [inline])
[<80de289c>] (usb_disconnect) from [<80de5638>] (hub_event+0xe78/0x194c drivers/usb/core/hub.c:5903)
 r10:00000001 r9:00000100 r8:83ba3500 r7:8413a000 r6:83e5fc00 r5:83e60610
 r4:00000001
[<80de47c0>] (hub_event) from [<80266034>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3229)
 r10:82e70a05 r9:84649800 r8:01800000 r7:ddde40c0 r6:82e70a00 r5:83ba3500
 r4:84adc380
[<80265e80>] (process_one_work) from [<80266c18>] (process_scheduled_works kernel/workqueue.c:3310 [inline])
[<80265e80>] (process_one_work) from [<80266c18>] (worker_thread+0x1ec/0x3bc kernel/workqueue.c:3391)
 r10:84649800 r9:84adc3ac r8:61c88647 r7:ddde40e0 r6:82604d40 r5:ddde40c0
 r4:84adc380
[<80266a2c>] (worker_thread) from [<8026fc94>] (kthread+0x104/0x134 kernel/kthread.c:389)
 r10:00000000 r9:dfe8de78 r8:843f7500 r7:84adc380 r6:80266a2c r5:84649800
 r4:843f75c0
[<8026fb90>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137)
Exception stack(0xe0031fb0 to 0xe0031ff8)
1fa0:                                     00000000 00000000 00000000 00000000
1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
1fe0: 00000000 00000000 00000000 00000000 00000013 00000000
 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8026fb90 r4:843f75c0
Rebooting in 86400 seconds..