em28xx 5-1:0.237: No AC97 audio processor
list_add corruption. prev->next should be next (ffffffff8e0fe6a0), but was 0000000000000000. (prev=ffff888024f0c250).
------------[ cut here ]------------
kernel BUG at lib/list_debug.c:32!
invalid opcode: 0000 [#1] PREEMPT SMP KASAN
CPU: 3 PID: 32 Comm: kworker/3:0 Not tainted 6.6.0-syzkaller-gffc253263a13 #0
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.2-debian-1.16.2-1 04/01/2014
Workqueue: usb_hub_wq hub_event
RIP: 0010:__list_add_valid_or_report+0xb6/0x100 lib/list_debug.c:32
Code: e8 0f e5 3e fd 0f 0b 48 89 d9 48 c7 c7 a0 14 e9 8a e8 fe e4 3e fd 0f 0b 48 89 f1 48 c7 c7 20 15 e9 8a 48 89 de e8 ea e4 3e fd <0f> 0b 48 89 f2 48 89 d9 48 89 ee 48 c7 c7 a0 15 e9 8a e8 d3 e4 3e
RSP: 0018:ffffc90000adef28 EFLAGS: 00010282
RAX: 0000000000000075 RBX: ffffffff8e0fe6a0 RCX: 0000000000000000
RDX: 0000000000000000 RSI: ffffffff816a9712 RDI: 0000000000000005
RBP: ffff888022630250 R08: 0000000000000005 R09: 0000000000000000
R10: 0000000080000000 R11: 6464615f7473696c R12: ffff888022630250
R13: ffff888022630000 R14: ffff8880226319d4 R15: ffff888020d7a000
FS:  0000000000000000(0000) GS:ffff88806b900000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00005588bdde2300 CR3: 000000001a8f7000 CR4: 0000000000350ee0
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+0x48/0x1f0 drivers/media/usb/em28xx/em28xx-core.c:1113
 em28xx_init_dev.constprop.0+0x1977/0x3080 drivers/media/usb/em28xx/em28xx-cards.c:3627
 em28xx_usb_probe+0x10d7/0x3730 drivers/media/usb/em28xx/em28xx-cards.c:3982
 usb_probe_interface+0x307/0x930 drivers/usb/core/driver.c:396
 call_driver_probe drivers/base/dd.c:579 [inline]
 really_probe+0x234/0xc90 drivers/base/dd.c:658
 __driver_probe_device+0x1de/0x4b0 drivers/base/dd.c:800
 driver_probe_device+0x4c/0x1a0 drivers/base/dd.c:830
 __device_attach_driver+0x1d4/0x300 drivers/base/dd.c:958
 bus_for_each_drv+0x157/0x1d0 drivers/base/bus.c:457
 __device_attach+0x1e8/0x4b0 drivers/base/dd.c:1030
 bus_probe_device+0x17c/0x1c0 drivers/base/bus.c:532
 device_add+0x117e/0x1aa0 drivers/base/core.c:3624
 usb_set_configuration+0x10cb/0x1c40 drivers/usb/core/message.c:2207
 usb_generic_driver_probe+0xca/0x130 drivers/usb/core/generic.c:238
 usb_probe_device+0xda/0x2c0 drivers/usb/core/driver.c:293
 call_driver_probe drivers/base/dd.c:579 [inline]
 really_probe+0x234/0xc90 drivers/base/dd.c:658
 __driver_probe_device+0x1de/0x4b0 drivers/base/dd.c:800
 driver_probe_device+0x4c/0x1a0 drivers/base/dd.c:830
 __device_attach_driver+0x1d4/0x300 drivers/base/dd.c:958
 bus_for_each_drv+0x157/0x1d0 drivers/base/bus.c:457
 __device_attach+0x1e8/0x4b0 drivers/base/dd.c:1030
 bus_probe_device+0x17c/0x1c0 drivers/base/bus.c:532
 device_add+0x117e/0x1aa0 drivers/base/core.c:3624
 usb_new_device+0xd80/0x1960 drivers/usb/core/hub.c:2597
 hub_port_connect drivers/usb/core/hub.c:5459 [inline]
 hub_port_connect_change drivers/usb/core/hub.c:5599 [inline]
 port_event drivers/usb/core/hub.c:5759 [inline]
 hub_event+0x2dac/0x4e10 drivers/usb/core/hub.c:5841
 process_one_work+0x884/0x15c0 kernel/workqueue.c:2630
 process_scheduled_works kernel/workqueue.c:2703 [inline]
 worker_thread+0x8b9/0x1290 kernel/workqueue.c:2784
 kthread+0x33c/0x440 kernel/kthread.c:388
 ret_from_fork+0x45/0x80 arch/x86/kernel/process.c:147
 ret_from_fork_asm+0x11/0x20 arch/x86/entry/entry_64.S:304
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:__list_add_valid_or_report+0xb6/0x100 lib/list_debug.c:32
Code: e8 0f e5 3e fd 0f 0b 48 89 d9 48 c7 c7 a0 14 e9 8a e8 fe e4 3e fd 0f 0b 48 89 f1 48 c7 c7 20 15 e9 8a 48 89 de e8 ea e4 3e fd <0f> 0b 48 89 f2 48 89 d9 48 89 ee 48 c7 c7 a0 15 e9 8a e8 d3 e4 3e
RSP: 0018:ffffc90000adef28 EFLAGS: 00010282
RAX: 0000000000000075 RBX: ffffffff8e0fe6a0 RCX: 0000000000000000
RDX: 0000000000000000 RSI: ffffffff816a9712 RDI: 0000000000000005
RBP: ffff888022630250 R08: 0000000000000005 R09: 0000000000000000
R10: 0000000080000000 R11: 6464615f7473696c R12: ffff888022630250
R13: ffff888022630000 R14: ffff8880226319d4 R15: ffff888020d7a000
FS:  0000000000000000(0000) GS:ffff88806b900000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000056548d6c8008 CR3: 0000000026f79000 CR4: 0000000000350ee0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400