------------[ cut here ]------------
ODEBUG: free active (active state 0) object: ffff88802ca8e688 object type: work_struct hint: do_submit_urb+0x0/0x3c0
WARNING: CPU: 0 PID: 6489 at lib/debugobjects.c:518 debug_print_object lib/debugobjects.c:515 [inline]
WARNING: CPU: 0 PID: 6489 at lib/debugobjects.c:518 __debug_check_no_obj_freed lib/debugobjects.c:1045 [inline]
WARNING: CPU: 0 PID: 6489 at lib/debugobjects.c:518 debug_check_no_obj_freed+0x39f/0x520 lib/debugobjects.c:1075
Modules linked in:
CPU: 0 PID: 6489 Comm: kworker/0:5 Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
Workqueue: usb_hub_wq hub_event
RIP: 0010:debug_print_object lib/debugobjects.c:515 [inline]
RIP: 0010:__debug_check_no_obj_freed lib/debugobjects.c:1045 [inline]
RIP: 0010:debug_check_no_obj_freed+0x39f/0x520 lib/debugobjects.c:1075
Code: 8b 4d 00 48 c7 c7 60 16 1d 8b 48 c7 c6 c0 12 1d 8b 48 c7 c2 e0 17 1d 8b 8b 4c 24 1c 4d 89 f8 41 55 e8 55 10 18 fd 48 83 c4 08 <0f> 0b 4c 8b 6c 24 10 48 b9 00 00 00 00 00 fc ff df ff 05 da 80 53
RSP: 0018:ffffc900038b6be8 EFLAGS: 00010286
RAX: 93af1b681bc26b00 RBX: ffffffff974df978 RCX: 0000000000100000
RDX: ffffc900185da000 RSI: 00000000000daf18 RDI: 00000000000daf19
RBP: ffffffff8ac9f8c0 R08: ffffc900038b67e7 R09: 1ffff92000716cfc
R10: dffffc0000000000 R11: fffff52000716cfd R12: 0000000000000001
R13: ffffffff8727fd20 R14: ffff88802ca8e000 R15: ffff88802ca8e688
FS:  0000000000000000(0000) GS:ffff8880b8e00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f329cc27dac CR3: 000000002ef43000 CR4: 00000000003506f0
Call Trace:
 <TASK>
 slab_free_hook mm/slub.c:1786 [inline]
 slab_free_freelist_hook+0xd2/0x1a0 mm/slub.c:1837
 slab_free mm/slub.c:3830 [inline]
 __kmem_cache_free+0xba/0x1f0 mm/slub.c:3843
 smsusb_term_device+0x1a5/0x220 drivers/media/usb/siano/smsusb.c:352
 smsusb_init_device drivers/media/usb/siano/smsusb.c:491 [inline]
 smsusb_probe+0x17d4/0x1ea0 drivers/media/usb/siano/smsusb.c:569
 usb_probe_interface+0x5c2/0xaf0 drivers/usb/core/driver.c:396
 call_driver_probe drivers/base/dd.c:-1 [inline]
 really_probe+0x247/0xae0 drivers/base/dd.c:717
 __driver_probe_device+0x1f5/0x390 drivers/base/dd.c:879
 driver_probe_device+0x4f/0x420 drivers/base/dd.c:909
 __device_attach_driver+0x2ca/0x510 drivers/base/dd.c:1037
 bus_for_each_drv+0x252/0x2e0 drivers/base/bus.c:459
 __device_attach+0x2c1/0x420 drivers/base/dd.c:1109
 bus_probe_device+0x180/0x260 drivers/base/bus.c:580
 device_add+0x87c/0xc40 drivers/base/core.c:3700
 usb_set_configuration+0x1ad0/0x2150 drivers/usb/core/message.c:2265
 usb_generic_driver_probe+0x8d/0x150 drivers/usb/core/generic.c:238
 usb_probe_device+0x12a/0x260 drivers/usb/core/driver.c:293
 call_driver_probe drivers/base/dd.c:-1 [inline]
 really_probe+0x247/0xae0 drivers/base/dd.c:717
 __driver_probe_device+0x1f5/0x390 drivers/base/dd.c:879
 driver_probe_device+0x4f/0x420 drivers/base/dd.c:909
 __device_attach_driver+0x2ca/0x510 drivers/base/dd.c:1037
 bus_for_each_drv+0x252/0x2e0 drivers/base/bus.c:459
 __device_attach+0x2c1/0x420 drivers/base/dd.c:1109
 bus_probe_device+0x180/0x260 drivers/base/bus.c:580
 device_add+0x87c/0xc40 drivers/base/core.c:3700
 usb_new_device+0x995/0x1550 drivers/usb/core/hub.c:2660
 hub_port_connect drivers/usb/core/hub.c:5529 [inline]
 hub_port_connect_change drivers/usb/core/hub.c:5669 [inline]
 port_event drivers/usb/core/hub.c:5833 [inline]
 hub_event+0x29d5/0x4a80 drivers/usb/core/hub.c:5915
 process_one_work kernel/workqueue.c:2657 [inline]
 process_scheduled_works+0xa60/0x1600 kernel/workqueue.c:2734
 worker_thread+0xa5e/0xfe0 kernel/workqueue.c:2815
 kthread+0x2fa/0x390 kernel/kthread.c:388
 ret_from_fork+0x48/0x80 arch/x86/kernel/process.c:152
 ret_from_fork_asm+0x11/0x20 arch/x86/entry/entry_64.S:293
 </TASK>