em28xx 1-1:0.0: Disconnecting em28xx #4
em28xx 1-1:0.0: Disconnecting em28xx
 non-slab/vmalloc memory
list_del corruption. next->prev should be ffff888137efc250, but was 0000000000000000. (next=ffff8881140f4250)
------------[ cut here ]------------
kernel BUG at lib/list_debug.c:65!
Oops: invalid opcode: 0000 [#1] SMP KASAN PTI
CPU: 0 UID: 0 PID: 10 Comm: kworker/0:1 Not tainted syzkaller #0 PREEMPT(voluntary) 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
Workqueue: usb_hub_wq hub_event
RIP: 0010:__list_del_entry_valid_or_report+0x1b3/0x200 lib/list_debug.c:65
Code: 00 00 00 00 00 fc ff df 48 c1 ea 03 80 3c 02 00 75 4b 49 8b 54 24 08 4c 89 e1 48 89 de 48 c7 c7 c0 6b 89 87 e8 ae 67 ce fe 90 <0f> 0b e8 66 a7 4d ff e9 6b fe ff ff 48 89 df e8 59 a7 4d ff e9 7d
RSP: 0018:ffffc900000af678 EFLAGS: 00010282
RAX: 000000000000006d RBX: ffff888137efc250 RCX: ffffffff815cfe99
RDX: 0000000000000000 RSI: ffffffff815d7d36 RDI: 0000000000000005
RBP: ffff8881140f4258 R08: 0000000000000005 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000001 R12: ffff8881140f4250
R13: ffff888137efc000 R14: ffffffff8a2921e8 R15: ffffed1026fdfc45
FS:  0000000000000000(0000) GS:ffff888268ef4000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000559f2f250068 CR3: 0000000102acc000 CR4: 00000000003506f0
Call Trace:
 <TASK>
 __list_del_entry_valid include/linux/list.h:124 [inline]
 __list_del_entry include/linux/list.h:215 [inline]
 list_del include/linux/list.h:229 [inline]
 em28xx_close_extension+0x10b/0x2b0 drivers/media/usb/em28xx/em28xx-core.c:1137
 em28xx_usb_disconnect+0x19d/0x610 drivers/media/usb/em28xx/em28xx-cards.c:4197
 usb_unbind_interface+0x1da/0x9e0 drivers/usb/core/driver.c:458
 device_remove drivers/base/dd.c:571 [inline]
 device_remove+0x122/0x170 drivers/base/dd.c:563
 __device_release_driver drivers/base/dd.c:1274 [inline]
 device_release_driver_internal+0x44b/0x620 drivers/base/dd.c:1297
 bus_remove_device+0x22f/0x420 drivers/base/bus.c:579
 device_del+0x396/0x9f0 drivers/base/core.c:3878
 usb_disable_device+0x355/0x7d0 drivers/usb/core/message.c:1418
 usb_disconnect+0x2e1/0x9c0 drivers/usb/core/hub.c:2344
 hub_port_connect drivers/usb/core/hub.c:5406 [inline]
 hub_port_connect_change drivers/usb/core/hub.c:5706 [inline]
 port_event drivers/usb/core/hub.c:5870 [inline]
 hub_event+0x1aa2/0x5060 drivers/usb/core/hub.c:5952
 process_one_work+0x9cf/0x1b70 kernel/workqueue.c:3236
 process_scheduled_works kernel/workqueue.c:3319 [inline]
 worker_thread+0x6c8/0xf10 kernel/workqueue.c:3400
 kthread+0x3c5/0x780 kernel/kthread.c:463
 ret_from_fork+0x56d/0x700 arch/x86/kernel/process.c:148
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:__list_del_entry_valid_or_report+0x1b3/0x200 lib/list_debug.c:65
Code: 00 00 00 00 00 fc ff df 48 c1 ea 03 80 3c 02 00 75 4b 49 8b 54 24 08 4c 89 e1 48 89 de 48 c7 c7 c0 6b 89 87 e8 ae 67 ce fe 90 <0f> 0b e8 66 a7 4d ff e9 6b fe ff ff 48 89 df e8 59 a7 4d ff e9 7d
RSP: 0018:ffffc900000af678 EFLAGS: 00010282
RAX: 000000000000006d RBX: ffff888137efc250 RCX: ffffffff815cfe99
RDX: 0000000000000000 RSI: ffffffff815d7d36 RDI: 0000000000000005
RBP: ffff8881140f4258 R08: 0000000000000005 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000001 R12: ffff8881140f4250
R13: ffff888137efc000 R14: ffffffff8a2921e8 R15: ffffed1026fdfc45
FS:  0000000000000000(0000) GS:ffff888268ef4000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000559f2f250068 CR3: 0000000102acc000 CR4: 00000000003506f0