dm9601 1-1:0.0 eth1: register 'dm9601' at usb-dummy_hcd.0-1, Davicom DM96xx USB 10/100 Ethernet, 76:a5:a4:da:27:98
usb 1-1: USB disconnect, device number 5
dm9601 1-1:0.0 eth1: unregister 'dm9601' usb-dummy_hcd.0-1, Davicom DM96xx USB 10/100 Ethernet
------------[ cut here ]------------
WARNING: CPU: 0 PID: 4306 at lib/debugobjects.c:515 debug_print_object+0xc4/0xd8 lib/debugobjects.c:515
ODEBUG: free active (active state 0) object: 84b72fcc object type: work_struct hint: usbnet_deferred_kevent+0x0/0x388 drivers/net/usb/usbnet.c:630
Modules linked in:
Kernel panic - not syncing: kernel: panic_on_warn set ...
CPU: 0 UID: 0 PID: 4306 Comm: kworker/0:4 Not tainted 6.11.0-rc6-syzkaller #0
Hardware name: ARM-Versatile Express
Workqueue: usb_hub_wq hub_event
Call trace:
[<8195d0f8>] (dump_backtrace) from [<8195d1f4>] (show_stack+0x18/0x1c arch/arm/kernel/traps.c:257)
r7:00000000 r6:826228c4 r5:00000000 r4:8200ca84
[<8195d1dc>] (show_stack) from [<8197af18>] (__dump_stack lib/dump_stack.c:93 [inline])
[<8195d1dc>] (show_stack) from [<8197af18>] (dump_stack_lvl+0x54/0x7c lib/dump_stack.c:119)
[<8197aec4>] (dump_stack_lvl) from [<8197af58>] (dump_stack+0x18/0x1c lib/dump_stack.c:128)
r5:00000000 r4:8286dd18
[<8197af40>] (dump_stack) from [<8195dc9c>] (panic+0x120/0x368 kernel/panic.c:354)
[<8195db7c>] (panic) from [<802421e4>] (check_panic_on_warn kernel/panic.c:243 [inline])
[<8195db7c>] (panic) from [<802421e4>] (get_taint+0x0/0x1c kernel/panic.c:238)
r3:8260c5c4 r2:00000001 r1:81ff52a8 r0:81ffd080
r7:8082dcb4
[<80242170>] (check_panic_on_warn) from [<80242338>] (__warn+0x7c/0x180 kernel/panic.c:741)
[<802422bc>] (__warn) from [<80242624>] (warn_slowpath_fmt+0x1e8/0x1f4 kernel/panic.c:774)
r8:00000009 r7:8205bd48 r6:dfc95a8c r5:84e9a400 r4:00000000
[<80242440>] (warn_slowpath_fmt) from [<8082dcb4>] (debug_print_object+0xc4/0xd8 lib/debugobjects.c:515)
r10:00000005 r9:84b72800 r8:81a01c24 r7:820862f0 r6:828d171c r5:dfc95b34
r4:8260cda4
[<8082dbf0>] (debug_print_object) from [<8082f554>] (__debug_check_no_obj_freed lib/debugobjects.c:990 [inline])
[<8082dbf0>] (debug_print_object) from [<8082f554>] (debug_check_no_obj_freed+0x254/0x2a0 lib/debugobjects.c:1020)
r8:84b73000 r7:84b72fcc r6:00000100 r5:00000003 r4:00000000
[<8082f300>] (debug_check_no_obj_freed) from [<804bc8a4>] (slab_free_hook mm/slub.c:2223 [inline])
[<8082f300>] (debug_check_no_obj_freed) from [<804bc8a4>] (slab_free mm/slub.c:4477 [inline])
[<8082f300>] (debug_check_no_obj_freed) from [<804bc8a4>] (kfree+0x198/0x338 mm/slub.c:4598)
r10:827795c8 r9:8505d880 r8:84b72800 r7:80461730 r6:82c023c0 r5:ddea2bc0
r4:84b72800
[<804bc70c>] (kfree) from [<80461730>] (kvfree+0x2c/0x30 mm/util.c:696)
r10:827795c8 r9:8505d880 r8:84b72800 r7:00000000 r6:84a57f00 r5:84c65500
r4:84b72800
[<80461704>] (kvfree) from [<814c5c84>] (netdev_release+0x2c/0x34 net/core/net-sysfs.c:2031)
r5:84c65500 r4:84b72800
[<814c5c58>] (netdev_release) from [<80a74a30>] (device_release+0x38/0xa8 drivers/base/core.c:2582)
r5:84c65500 r4:84b72bc0
[<80a749f8>] (device_release) from [<81936f48>] (kobject_cleanup lib/kobject.c:689 [inline])
[<80a749f8>] (device_release) from [<81936f48>] (kobject_release lib/kobject.c:720 [inline])
[<80a749f8>] (device_release) from [<81936f48>] (kref_put include/linux/kref.h:65 [inline])
[<80a749f8>] (device_release) from [<81936f48>] (kobject_put+0xa0/0x1f4 lib/kobject.c:737)
r5:81b4b7cc r4:84b72bc0
[<81936ea8>] (kobject_put) from [<80a74c5c>] (put_device+0x18/0x1c drivers/base/core.c:3790)
r7:8505d400 r6:84b7290c r5:84b72800 r4:00000000
[<80a74c44>] (put_device) from [<8147abbc>] (free_netdev+0x114/0x18c net/core/dev.c:11205)
[<8147aaa8>] (free_netdev) from [<80d569a8>] (usbnet_disconnect+0xac/0xf0 drivers/net/usb/usbnet.c:1636)
r6:84b72f94 r5:84b72e80 r4:00000000
[<80d568fc>] (usbnet_disconnect) from [<80dbe608>] (usb_unbind_interface+0x84/0x2c4 drivers/usb/core/driver.c:461)
r8:00000044 r7:8505d430 r6:827795c8 r5:00000000 r4:8505d400
[<80dbe584>] (usb_unbind_interface) from [<80a7cb34>] (device_remove drivers/base/dd.c:568 [inline])
[<80dbe584>] (usb_unbind_interface) from [<80a7cb34>] (device_remove+0x64/0x6c drivers/base/dd.c:560)
r10:00000000 r9:8505d880 r8:00000044 r7:8505d474 r6:827795c8 r5:00000000
r4:8505d430
[<80a7cad0>] (device_remove) from [<80a7e04c>] (__device_release_driver drivers/base/dd.c:1272 [inline])
[<80a7cad0>] (device_remove) from [<80a7e04c>] (device_release_driver_internal+0x18c/0x200 drivers/base/dd.c:1295)
r5:00000000 r4:8505d430
[<80a7dec0>] (device_release_driver_internal) from [<80a7e0d8>] (device_release_driver+0x18/0x1c drivers/base/dd.c:1318)
r9:8505d880 r8:82fbc040 r7:82fbc038 r6:82fbc00c r5:8505d430 r4:82fbc030
[<80a7e0c0>] (device_release_driver) from [<80a7c1b8>] (bus_remove_device+0xcc/0x120 drivers/base/bus.c:574)
[<80a7c0ec>] (bus_remove_device) from [<80a762c8>] (device_del+0x148/0x38c drivers/base/core.c:3871)
r9:8505d880 r8:84e9a400 r7:04208060 r6:00000000 r5:8505d430 r4:8505d474
[<80a76180>] (device_del) from [<80dbc024>] (usb_disable_device+0xdc/0x1f0 drivers/usb/core/message.c:1418)
r10:00000000 r9:00000000 r8:8505d400 r7:8505d800 r6:851c2008 r5:00000002
r4:00000070
[<80dbbf48>] (usb_disable_device) from [<80db0e88>] (usb_disconnect+0xec/0x29c drivers/usb/core/hub.c:2304)
r10:00000001 r9:84fb5e00 r8:8505d8c4 r7:8389b400 r6:8505d880 r5:8505d800
r4:60000013
[<80db0d9c>] (usb_disconnect) from [<80db3b38>] (hub_port_connect drivers/usb/core/hub.c:5361 [inline])
[<80db0d9c>] (usb_disconnect) from [<80db3b38>] (hub_port_connect_change drivers/usb/core/hub.c:5661 [inline])
[<80db0d9c>] (usb_disconnect) from [<80db3b38>] (port_event drivers/usb/core/hub.c:5821 [inline])
[<80db0d9c>] (usb_disconnect) from [<80db3b38>] (hub_event+0xe78/0x194c drivers/usb/core/hub.c:5903)
r10:00000001 r9:00000100 r8:8396b700 r7:8505d800 r6:8389ac00 r5:8389b610
r4:00000001
[<80db2cc0>] (hub_event) from [<80265f08>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3231)
r10:82f1d405 r9:84e9a400 r8:00800000 r7:dddd0000 r6:82f1d400 r5:8396b700
r4:849f6c00
[<80265d54>] (process_one_work) from [<80266aec>] (process_scheduled_works kernel/workqueue.c:3312 [inline])
[<80265d54>] (process_one_work) from [<80266aec>] (worker_thread+0x1ec/0x3b4 kernel/workqueue.c:3389)
r10:84e9a400 r9:849f6c2c r8:61c88647 r7:dddd0020 r6:82604d40 r5:dddd0000
r4:849f6c00
[<80266900>] (worker_thread) from [<8026fb04>] (kthread+0x104/0x134 kernel/kthread.c:389)
r10:00000000 r9:ead61e78 r8:84a81b40 r7:849f6c00 r6:80266900 r5:84e9a400
r4:84a56dc0
[<8026fa00>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137)
Exception stack(0xdfc95fb0 to 0xdfc95ff8)
5fa0: 00000000 00000000 00000000 00000000
5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
5fe0: 00000000 00000000 00000000 00000000 00000013 00000000
r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8026fa00 r4:84a56dc0
Rebooting in 86400 seconds..