cdc_ncm 1-1:1.0 usb0: register 'cdc_ncm' at usb-dummy_hcd.0-1, CDC NCM (NO ZLP), 42:42:42:42:42:42
usb 1-1: USB disconnect, device number 6
cdc_ncm 1-1:1.0 usb0: unregister 'cdc_ncm' usb-dummy_hcd.0-1, CDC NCM (NO ZLP)
------------[ cut here ]------------
WARNING: CPU: 1 PID: 4340 at lib/debugobjects.c:612 debug_print_object+0xc4/0xd8 lib/debugobjects.c:612
ODEBUG: free active (active state 0) object: 85ad980c object type: work_struct hint: usbnet_deferred_kevent+0x0/0x394 drivers/net/usb/usbnet.c:644
Modules linked in:
Kernel panic - not syncing: kernel: panic_on_warn set ...
CPU: 1 UID: 0 PID: 4340 Comm: kworker/1:8 Not tainted 6.16.0-rc6-syzkaller #0 PREEMPT 
Hardware name: ARM-Versatile Express
Workqueue: usb_hub_wq hub_event
Call trace: 
[<80201a00>] (dump_backtrace) from [<80201afc>] (show_stack+0x18/0x1c arch/arm/kernel/traps.c:257)
 r7:00000000 r6:8282083c r5:00000000 r4:8225c260
[<80201ae4>] (show_stack) from [<8021fde4>] (__dump_stack lib/dump_stack.c:94 [inline])
[<80201ae4>] (show_stack) from [<8021fde4>] (dump_stack_lvl+0x54/0x7c lib/dump_stack.c:120)
[<8021fd90>] (dump_stack_lvl) from [<8021fe24>] (dump_stack+0x18/0x1c lib/dump_stack.c:129)
 r5:00000000 r4:82a6dd18
[<8021fe0c>] (dump_stack) from [<80202614>] (panic+0x120/0x374 kernel/panic.c:382)
[<802024f4>] (panic) from [<80258578>] (check_panic_on_warn kernel/panic.c:273 [inline])
[<802024f4>] (panic) from [<80258578>] (get_taint+0x0/0x1c kernel/panic.c:268)
 r3:8280c684 r2:00000001 r1:82242da8 r0:8224a740
 r7:808d4964
[<80258504>] (check_panic_on_warn) from [<802586dc>] (__warn+0x80/0x188 kernel/panic.c:777)
[<8025865c>] (__warn) from [<802589cc>] (warn_slowpath_fmt+0x1e8/0x1f4 kernel/panic.c:812)
 r8:00000009 r7:822b4d74 r6:dfaa5a84 r5:85ad0c00 r4:00000000
[<802587e8>] (warn_slowpath_fmt) from [<808d4964>] (debug_print_object+0xc4/0xd8 lib/debugobjects.c:612)
 r10:00000005 r9:85ad9000 r8:81c01f18 r7:822e005c r6:82ad9ee4 r5:dfaa5b2c
 r4:8280ccbc
[<808d48a0>] (debug_print_object) from [<808d63b0>] (__debug_check_no_obj_freed lib/debugobjects.c:1099 [inline])
[<808d48a0>] (debug_print_object) from [<808d63b0>] (debug_check_no_obj_freed+0x25c/0x2a4 lib/debugobjects.c:1129)
 r8:85ada000 r7:85ad980c r6:00000100 r5:00000003 r4:00000000
[<808d6154>] (debug_check_no_obj_freed) from [<80503024>] (slab_free_hook mm/slub.c:2312 [inline])
[<808d6154>] (debug_check_no_obj_freed) from [<80503024>] (slab_free mm/slub.c:4643 [inline])
[<808d6154>] (debug_check_no_obj_freed) from [<80503024>] (kfree+0x190/0x394 mm/slub.c:4842)
 r10:00000001 r9:8297f994 r8:85ad9000 r7:80503ec8 r6:83002480 r5:ddec5660
 r4:85ad9000
[<80502e94>] (kfree) from [<80503ec8>] (kvfree+0x2c/0x30 mm/slub.c:5058)
 r10:00000001 r9:8297f994 r8:85ad9000 r7:00000000 r6:85bfbc80 r5:85c2dc00
 r4:85ad9000
[<80503e9c>] (kvfree) from [<815aecf8>] (netdev_release+0x2c/0x34 net/core/net-sysfs.c:2231)
 r5:85c2dc00 r4:85ad9000
[<815aeccc>] (netdev_release) from [<80b30654>] (device_release+0x38/0xa8 drivers/base/core.c:2568)
 r5:85c2dc00 r4:85ad93c0
[<80b3061c>] (device_release) from [<81a06e30>] (kobject_cleanup lib/kobject.c:689 [inline])
[<80b3061c>] (device_release) from [<81a06e30>] (kobject_release lib/kobject.c:720 [inline])
[<80b3061c>] (device_release) from [<81a06e30>] (kref_put include/linux/kref.h:65 [inline])
[<80b3061c>] (device_release) from [<81a06e30>] (kobject_put+0xa0/0x1f4 lib/kobject.c:737)
 r5:81d4f4fc r4:85ad93c0
[<81a06d90>] (kobject_put) from [<80b30880>] (put_device+0x18/0x1c drivers/base/core.c:3800)
 r7:000000c0 r6:00000000 r5:00000000 r4:85ad9000
[<80b30868>] (put_device) from [<815600b4>] (free_netdev+0x18c/0x244 net/core/dev.c:11900)
[<8155ff28>] (free_netdev) from [<80e2330c>] (usbnet_disconnect+0xb8/0xfc drivers/net/usb/usbnet.c:1663)
 r7:85b3c800 r6:85ad97d4 r5:85ad96c0 r4:00000000
[<80e23254>] (usbnet_disconnect) from [<80e8ced0>] (usb_unbind_interface+0x84/0x2b4 drivers/usb/core/driver.c:458)
 r8:85b3e888 r7:85b3c874 r6:85b3c830 r5:00000000 r4:85b3e800
[<80e8ce4c>] (usb_unbind_interface) from [<80b38908>] (device_remove drivers/base/dd.c:569 [inline])
[<80e8ce4c>] (usb_unbind_interface) from [<80b38908>] (device_remove+0x64/0x6c drivers/base/dd.c:561)
 r10:00000001 r9:85b3e888 r8:00000044 r7:85b3c874 r6:8297f994 r5:00000000
 r4:85b3c830
[<80b388a4>] (device_remove) from [<80b39df8>] (__device_release_driver drivers/base/dd.c:1272 [inline])
[<80b388a4>] (device_remove) from [<80b39df8>] (device_release_driver_internal+0x18c/0x200 drivers/base/dd.c:1295)
 r5:00000000 r4:85b3c830
[<80b39c6c>] (device_release_driver_internal) from [<80b39e84>] (device_release_driver+0x18/0x1c drivers/base/dd.c:1318)
 r9:85b3e888 r8:8335ac40 r7:8335ac38 r6:8335ac0c r5:85b3c830 r4:8335ac30
[<80b39e6c>] (device_release_driver) from [<80b37f5c>] (bus_remove_device+0xcc/0x120 drivers/base/bus.c:579)
[<80b37e90>] (bus_remove_device) from [<80b322b8>] (device_del+0x148/0x38c drivers/base/core.c:3881)
 r9:85b3e888 r8:85ad0c00 r7:04208060 r6:00000000 r5:85b3c830 r4:85b3c874
[<80b32170>] (device_del) from [<80e8a920>] (usb_disable_device+0xd4/0x1e8 drivers/usb/core/message.c:1418)
 r10:00000001 r9:00000000 r8:00000000 r7:85b3c800 r6:85b3e800 r5:8575e348
 r4:00000001
[<80e8a84c>] (usb_disable_device) from [<80e7f634>] (usb_disconnect+0xec/0x2ac drivers/usb/core/hub.c:2344)
 r9:856cb800 r8:85b3e8cc r7:83f7e400 r6:85b3e888 r5:85b3e800 r4:60000013
[<80e7f548>] (usb_disconnect) from [<80e8230c>] (hub_port_connect drivers/usb/core/hub.c:5406 [inline])
[<80e7f548>] (usb_disconnect) from [<80e8230c>] (hub_port_connect_change drivers/usb/core/hub.c:5706 [inline])
[<80e7f548>] (usb_disconnect) from [<80e8230c>] (port_event drivers/usb/core/hub.c:5866 [inline])
[<80e7f548>] (usb_disconnect) from [<80e8230c>] (hub_event+0xe78/0x194c drivers/usb/core/hub.c:5948)
 r10:00000001 r9:00000100 r8:83c0232c r7:85b3e800 r6:83f7dc00 r5:83f7e610
 r4:00000001
[<80e81494>] (hub_event) from [<8027e2a8>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3238)
 r10:8335ae70 r9:8326f605 r8:85ad0c00 r7:ddde2d40 r6:8326f600 r5:83c0232c
 r4:85b1d780
[<8027e0f4>] (process_one_work) from [<8027eef0>] (process_scheduled_works kernel/workqueue.c:3321 [inline])
[<8027e0f4>] (process_one_work) from [<8027eef0>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3402)
 r10:61c88647 r9:85ad0c00 r8:85b1d7ac r7:82804d40 r6:ddde2d40 r5:ddde2d60
 r4:85b1d780
[<8027ecf4>] (worker_thread) from [<80285f1c>] (kthread+0x12c/0x280 kernel/kthread.c:464)
 r10:00000000 r9:85b1d780 r8:8027ecf4 r7:dfd69e60 r6:85b1d400 r5:85ad0c00
 r4:00000001
[<80285df0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137)
Exception stack(0xdfaa5fb0 to 0xdfaa5ff8)
5fa0:                                     00000000 00000000 00000000 00000000
5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
5fe0: 00000000 00000000 00000000 00000000 00000013 00000000
 r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:80285df0
 r4:85b9e640
Rebooting in 86400 seconds..