em28xx 4-1:0.0: unknown em28xx chip ID (0)
em28xx 4-1:0.0: Config register raw data: 0xfffffffb
em28xx 4-1:0.0: AC97 chip type couldn't be determined
em28xx 4-1:0.0: No AC97 audio processor
list_add corruption. prev->next should be next (ffffffff89e1ade0), but was f8f8f8f8f8f8f8f8. (prev=ffff88810c730250).
------------[ cut here ]------------
kernel BUG at lib/list_debug.c:32!
Oops: invalid opcode: 0000 [#1] PREEMPT SMP KASAN PTI
CPU: 0 UID: 0 PID: 5291 Comm: kworker/0:4 Not tainted 6.12.0-rc6-syzkaller-00153-g237d4e0f4113 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/30/2024
Workqueue: usb_hub_wq hub_event
RIP: 0010:__list_add_valid_or_report+0xbe/0x100 lib/list_debug.c:32
Code: df fe 90 0f 0b 48 89 d9 48 c7 c7 00 ee 46 87 e8 b8 03 df fe 90 0f 0b 48 89 f1 48 c7 c7 80 ee 46 87 48 89 de e8 a3 03 df fe 90 <0f> 0b 48 89 f2 48 89 d9 48 89 ee 48 c7 c7 00 ef 46 87 e8 8b 03 df
RSP: 0018:ffffc900036d6f08 EFLAGS: 00010286
RAX: 0000000000000075 RBX: ffffffff89e1ade0 RCX: ffffc90011127000
RDX: 0000000000000000 RSI: ffffffff8136a2f6 RDI: 0000000000000005
RBP: ffff88811e4ac250 R08: 0000000000000005 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000001 R12: ffff88811e4ac250
R13: ffff88811e4ac000 R14: ffff88811e4ad9d4 R15: ffff88811f2f4000
FS:  0000000000000000(0000) GS:ffff8881f5800000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007ffc077e49f8 CR3: 0000000121d42000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 __list_add_valid include/linux/list.h:88 [inline]
 __list_add include/linux/list.h:150 [inline]
 list_add_tail include/linux/list.h:183 [inline]
 em28xx_init_extension+0x48/0x200 drivers/media/usb/em28xx/em28xx-core.c:1114
 em28xx_init_dev.constprop.0+0x197b/0x3090 drivers/media/usb/em28xx/em28xx-cards.c:3679
 em28xx_usb_probe+0x1262/0x3720 drivers/media/usb/em28xx/em28xx-cards.c:4034
 usb_probe_interface+0x300/0x9c0 drivers/usb/core/driver.c:396
 call_driver_probe drivers/base/dd.c:579 [inline]
 really_probe+0x23e/0xa90 drivers/base/dd.c:658
 __driver_probe_device+0x1de/0x440 drivers/base/dd.c:800
 driver_probe_device+0x4c/0x1b0 drivers/base/dd.c:830
 __device_attach_driver+0x1df/0x310 drivers/base/dd.c:958
 bus_for_each_drv+0x157/0x1e0 drivers/base/bus.c:459
 __device_attach+0x1e8/0x4b0 drivers/base/dd.c:1030
 bus_probe_device+0x17f/0x1c0 drivers/base/bus.c:534
 device_add+0x114b/0x1a70 drivers/base/core.c:3672
 usb_set_configuration+0x10cb/0x1c50 drivers/usb/core/message.c:2210
 usb_generic_driver_probe+0xb1/0x110 drivers/usb/core/generic.c:254
 usb_probe_device+0xec/0x3e0 drivers/usb/core/driver.c:291
 call_driver_probe drivers/base/dd.c:579 [inline]
 really_probe+0x23e/0xa90 drivers/base/dd.c:658
 __driver_probe_device+0x1de/0x440 drivers/base/dd.c:800
 driver_probe_device+0x4c/0x1b0 drivers/base/dd.c:830
 __device_attach_driver+0x1df/0x310 drivers/base/dd.c:958
 bus_for_each_drv+0x157/0x1e0 drivers/base/bus.c:459
 __device_attach+0x1e8/0x4b0 drivers/base/dd.c:1030
 bus_probe_device+0x17f/0x1c0 drivers/base/bus.c:534
 device_add+0x114b/0x1a70 drivers/base/core.c:3672
 usb_new_device+0xd90/0x1a10 drivers/usb/core/hub.c:2651
 hub_port_connect drivers/usb/core/hub.c:5521 [inline]
 hub_port_connect_change drivers/usb/core/hub.c:5661 [inline]
 port_event drivers/usb/core/hub.c:5821 [inline]
 hub_event+0x2e58/0x4f40 drivers/usb/core/hub.c:5903
 process_one_work+0x9c5/0x1ba0 kernel/workqueue.c:3229
 process_scheduled_works kernel/workqueue.c:3310 [inline]
 worker_thread+0x6c8/0xf00 kernel/workqueue.c:3391
 kthread+0x2c1/0x3a0 kernel/kthread.c:389
 ret_from_fork+0x45/0x80 arch/x86/kernel/process.c:147
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:__list_add_valid_or_report+0xbe/0x100 lib/list_debug.c:32
Code: df fe 90 0f 0b 48 89 d9 48 c7 c7 00 ee 46 87 e8 b8 03 df fe 90 0f 0b 48 89 f1 48 c7 c7 80 ee 46 87 48 89 de e8 a3 03 df fe 90 <0f> 0b 48 89 f2 48 89 d9 48 89 ee 48 c7 c7 00 ef 46 87 e8 8b 03 df
RSP: 0018:ffffc900036d6f08 EFLAGS: 00010286
RAX: 0000000000000075 RBX: ffffffff89e1ade0 RCX: ffffc90011127000
RDX: 0000000000000000 RSI: ffffffff8136a2f6 RDI: 0000000000000005
RBP: ffff88811e4ac250 R08: 0000000000000005 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000001 R12: ffff88811e4ac250
R13: ffff88811e4ac000 R14: ffff88811e4ad9d4 R15: ffff88811f2f4000
FS:  0000000000000000(0000) GS:ffff8881f5800000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007ffc077e49f8 CR3: 0000000121d42000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400