usb 4-1: USB disconnect, device number 2
em28xx 4-1:0.0: Disconnecting em28xx #7
em28xx 4-1:0.0: Disconnecting em28xx
 non-slab/vmalloc memory
list_del corruption. prev->next should be ffff88811f698250, but was 0000000000000000. (prev=ffff888114564250)
------------[ cut here ]------------
kernel BUG at lib/list_debug.c:62!
Oops: invalid opcode: 0000 [#1] PREEMPT SMP KASAN PTI
CPU: 1 UID: 0 PID: 36 Comm: kworker/1:1 Not tainted 6.14.0-rc3-syzkaller-00022-gf8da37e46253 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 12/27/2024
Workqueue: usb_hub_wq hub_event
RIP: 0010:__list_del_entry_valid_or_report+0x17a/0x200 lib/list_debug.c:62
Code: 00 00 fc ff df 48 c1 ea 03 80 3c 02 00 0f 85 8d 00 00 00 48 8b 55 00 48 89 e9 48 89 de 48 c7 c7 00 c6 47 87 e8 47 79 dc fe 90 <0f> 0b 4c 89 e7 e8 2c bc 3b ff 48 89 ea 48 b8 00 00 00 00 00 fc ff
RSP: 0018:ffffc90000267688 EFLAGS: 00010282
RAX: 000000000000006d RBX: ffff88811f698250 RCX: ffffffff815aecc9
RDX: 0000000000000000 RSI: ffffffff815b503e RDI: 0000000000000005
RBP: ffff888114564250 R08: 0000000000000005 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000001 R12: ffff88812e9ec250
R13: ffff88811f698000 R14: ffffffff89e487c8 R15: ffff88811af5c000
FS:  0000000000000000(0000) GS:ffff8881f5900000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000555568f044a8 CR3: 00000001140b2000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
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+0x10e/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+0x1e2/0x960 drivers/usb/core/driver.c:458
 device_remove drivers/base/dd.c:569 [inline]
 device_remove+0x122/0x170 drivers/base/dd.c:561
 __device_release_driver drivers/base/dd.c:1273 [inline]
 device_release_driver_internal+0x44a/0x610 drivers/base/dd.c:1296
 bus_remove_device+0x22f/0x420 drivers/base/bus.c:579
 device_del+0x396/0x9f0 drivers/base/core.c:3854
 usb_disable_device+0x36c/0x7f0 drivers/usb/core/message.c:1418
 usb_disconnect+0x2e1/0x920 drivers/usb/core/hub.c:2316
 hub_port_connect drivers/usb/core/hub.c:5373 [inline]
 hub_port_connect_change drivers/usb/core/hub.c:5673 [inline]
 port_event drivers/usb/core/hub.c:5833 [inline]
 hub_event+0x1bed/0x4f40 drivers/usb/core/hub.c:5915
 process_one_work+0x9c5/0x1ba0 kernel/workqueue.c:3236
 process_scheduled_works kernel/workqueue.c:3317 [inline]
 worker_thread+0x6c8/0xf00 kernel/workqueue.c:3398
 kthread+0x3af/0x750 kernel/kthread.c:464
 ret_from_fork+0x45/0x80 arch/x86/kernel/process.c:148
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:__list_del_entry_valid_or_report+0x17a/0x200 lib/list_debug.c:62
Code: 00 00 fc ff df 48 c1 ea 03 80 3c 02 00 0f 85 8d 00 00 00 48 8b 55 00 48 89 e9 48 89 de 48 c7 c7 00 c6 47 87 e8 47 79 dc fe 90 <0f> 0b 4c 89 e7 e8 2c bc 3b ff 48 89 ea 48 b8 00 00 00 00 00 fc ff
RSP: 0018:ffffc90000267688 EFLAGS: 00010282
RAX: 000000000000006d RBX: ffff88811f698250 RCX: ffffffff815aecc9
RDX: 0000000000000000 RSI: ffffffff815b503e RDI: 0000000000000005
RBP: ffff888114564250 R08: 0000000000000005 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000001 R12: ffff88812e9ec250
R13: ffff88811f698000 R14: ffffffff89e487c8 R15: ffff88811af5c000
FS:  0000000000000000(0000) GS:ffff8881f5900000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000555568f044a8 CR3: 00000001140b2000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400