usb 2-1: USB disconnect, device number 91
em28xx 2-
em28xx 2-1:0.5: Disconnecting em28xx #1
em28xx 2-1:0.5: Disconnecting em28xx
em28xx 2-1:0.5: Closing input extension
em28xx 2-1:0.5: Closing input extension
list_del corruption, ffff8881077dc250->next is NULL
------------[ cut here ]------------
kernel BUG at lib/list_debug.c:52!
Oops: invalid opcode: 0000 [#1] SMP KASAN PTI
CPU: 1 UID: 0 PID: 5260 Comm: kworker/1:6 Not tainted syzkaller #0 PREEMPT(lazy) 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
Workqueue: usb_hub_wq hub_event
RIP: 0010:__list_del_entry_valid_or_report.cold+0x22/0x2a lib/list_debug.c:52
Code: e8 dd c4 fa ff 90 0f 0b 48 89 de 48 c7 c7 00 bb d2 87 e8 cb c4 fa ff 90 0f 0b 48 89 de 48 c7 c7 a0 ba d2 87 e8 b9 c4 fa ff 90 <0f> 0b 66 0f 1f 44 00 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90
RSP: 0018:ffffc90001f575f0 EFLAGS: 00010282
RAX: 0000000000000033 RBX: ffff8881077dc250 RCX: 0000000000000000
RDX: 0000000000000033 RSI: ffffffff81938669 RDI: fffff520003eaeaf
RBP: 0000000000000000 R08: 0000000000000007 R09: 0000000000000000
R10: 8000000000000000 R11: 0000000000000001 R12: 0000000000000000
R13: ffff8881077dc250 R14: ffff8881077dc258 R15: ffffed1021564c6f
FS:  0000000000000000(0000) GS:ffff8882684e2000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f76f5c77df4 CR3: 0000000115864000 CR4: 00000000003506f0
Call Trace:
 <TASK>
 __list_del_entry_valid include/linux/list.h:140 [inline]
 __list_del_entry include/linux/list.h:261 [inline]
 list_del include/linux/list.h:275 [inline]
 em28xx_close_extension+0x147/0x460 drivers/media/usb/em28xx/em28xx-core.c:1269
 em28xx_usb_disconnect.cold+0x13d/0x253 drivers/media/usb/em28xx/em28xx-cards.c:4451
 usb_unbind_interface+0x1dd/0x9e0 drivers/usb/core/driver.c:461
 device_remove drivers/base/dd.c:618 [inline]
 device_remove+0x12a/0x180 drivers/base/dd.c:610
 __device_release_driver drivers/base/dd.c:1349 [inline]
 device_release_driver_internal+0x44e/0x620 drivers/base/dd.c:1372
 bus_remove_device+0x2bc/0x560 drivers/base/bus.c:664
 device_del+0x376/0x9b0 drivers/base/core.c:3965
 usb_disable_device+0x367/0x810 drivers/usb/core/message.c:1478
 usb_disconnect+0x2e2/0x9a0 drivers/usb/core/hub.c:2350
 hub_port_connect drivers/usb/core/hub.c:5420 [inline]
 hub_port_connect_change drivers/usb/core/hub.c:5720 [inline]
 port_event drivers/usb/core/hub.c:5884 [inline]
 hub_event+0x1d46/0x4510 drivers/usb/core/hub.c:5966
 process_one_work+0xac7/0x1b10 kernel/workqueue.c:3396
 process_scheduled_works kernel/workqueue.c:3479 [inline]
 worker_thread+0x5ef/0xe50 kernel/workqueue.c:3560
 kthread+0x373/0x450 kernel/kthread.c:436
 ret_from_fork+0x69f/0xc90 arch/x86/kernel/process.c:158
 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.cold+0x22/0x2a lib/list_debug.c:52
Code: e8 dd c4 fa ff 90 0f 0b 48 89 de 48 c7 c7 00 bb d2 87 e8 cb c4 fa ff 90 0f 0b 48 89 de 48 c7 c7 a0 ba d2 87 e8 b9 c4 fa ff 90 <0f> 0b 66 0f 1f 44 00 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90
RSP: 0018:ffffc90001f575f0 EFLAGS: 00010282
RAX: 0000000000000033 RBX: ffff8881077dc250 RCX: 0000000000000000
RDX: 0000000000000033 RSI: ffffffff81938669 RDI: fffff520003eaeaf
RBP: 0000000000000000 R08: 0000000000000007 R09: 0000000000000000
R10: 8000000000000000 R11: 0000000000000001 R12: 0000000000000000
R13: ffff8881077dc250 R14: ffff8881077dc258 R15: ffffed1021564c6f
FS:  0000000000000000(0000) GS:ffff8882684e2000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f76f5c77df4 CR3: 000000010cb2c000 CR4: 00000000003506f0