em28xx 5-1:0.108: No AC97 audio processor
list_add corruption. prev->next should be next (ffffffff8df043a0), but was ffffffff81d82bb5. (prev=ffff88802de98250).
------------[ cut here ]------------
kernel BUG at lib/list_debug.c:30!
invalid opcode: 0000 [#1] PREEMPT SMP KASAN
CPU: 2 PID: 1261 Comm: kworker/2:2 Not tainted 6.5.0-rc7-syzkaller-gf7757129e3de #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+0xb6/0x100 lib/list_debug.c:30
Code: e8 3f fd 45 fd 0f 0b 48 89 d9 48 c7 c7 00 f1 c7 8a e8 2e fd 45 fd 0f 0b 48 89 f1 48 c7 c7 80 f1 c7 8a 48 89 de e8 1a fd 45 fd <0f> 0b 48 89 f2 48 89 d9 48 89 ee 48 c7 c7 00 f2 c7 8a e8 03 fd 45
RSP: 0018:ffffc90006b9eef0 EFLAGS: 00010282
RAX: 0000000000000075 RBX: ffffffff8df043a0 RCX: 0000000000000000
RDX: 0000000000000000 RSI: ffffffff816917c0 RDI: 0000000000000005
RBP: ffff88801e860250 R08: 0000000000000005 R09: 0000000000000000
R10: 0000000080000000 R11: 6464615f7473696c R12: ffff88801e860250
R13: ffff88801e860000 R14: ffff88801e8619d4 R15: ffff88803f58e800
FS:  0000000000000000(0000) GS:ffff88806b800000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f2ab8dfe070 CR3: 0000000021cc1000 CR4: 0000000000350ee0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 __list_add include/linux/list.h:69 [inline]
 list_add_tail include/linux/list.h:102 [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:798
 driver_probe_device+0x4c/0x1a0 drivers/base/dd.c:828
 __device_attach_driver+0x1d4/0x300 drivers/base/dd.c:956
 bus_for_each_drv+0x157/0x1d0 drivers/base/bus.c:457
 __device_attach+0x1e8/0x4b0 drivers/base/dd.c:1028
 bus_probe_device+0x17c/0x1c0 drivers/base/bus.c:532
 device_add+0x11f1/0x1b40 drivers/base/core.c:3625
 usb_set_configuration+0x10cb/0x1c40 drivers/usb/core/message.c:2211
 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:798
 driver_probe_device+0x4c/0x1a0 drivers/base/dd.c:828
 __device_attach_driver+0x1d4/0x300 drivers/base/dd.c:956
 bus_for_each_drv+0x157/0x1d0 drivers/base/bus.c:457
 __device_attach+0x1e8/0x4b0 drivers/base/dd.c:1028
 bus_probe_device+0x17c/0x1c0 drivers/base/bus.c:532
 device_add+0x11f1/0x1b40 drivers/base/core.c:3625
 usb_new_device+0xd80/0x1960 drivers/usb/core/hub.c:2590
 hub_port_connect drivers/usb/core/hub.c:5422 [inline]
 hub_port_connect_change drivers/usb/core/hub.c:5566 [inline]
 port_event drivers/usb/core/hub.c:5726 [inline]
 hub_event+0x307f/0x5230 drivers/usb/core/hub.c:5808
 process_one_work+0xaa2/0x16f0 kernel/workqueue.c:2600
 process_scheduled_works kernel/workqueue.c:2667 [inline]
 worker_thread+0x896/0x1110 kernel/workqueue.c:2753
 kthread+0x33a/0x430 kernel/kthread.c:389
 ret_from_fork+0x2c/0x70 arch/x86/kernel/process.c:145
 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+0xb6/0x100 lib/list_debug.c:30
Code: e8 3f fd 45 fd 0f 0b 48 89 d9 48 c7 c7 00 f1 c7 8a e8 2e fd 45 fd 0f 0b 48 89 f1 48 c7 c7 80 f1 c7 8a 48 89 de e8 1a fd 45 fd <0f> 0b 48 89 f2 48 89 d9 48 89 ee 48 c7 c7 00 f2 c7 8a e8 03 fd 45
RSP: 0018:ffffc90006b9eef0 EFLAGS: 00010282
RAX: 0000000000000075 RBX: ffffffff8df043a0 RCX: 0000000000000000
RDX: 0000000000000000 RSI: ffffffff816917c0 RDI: 0000000000000005
RBP: ffff88801e860250 R08: 0000000000000005 R09: 0000000000000000
R10: 0000000080000000 R11: 6464615f7473696c R12: ffff88801e860250
R13: ffff88801e860000 R14: ffff88801e8619d4 R15: ffff88803f58e800
FS:  0000000000000000(0000) GS:ffff88806b800000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f2ab8dfe070 CR3: 000000002d941000 CR4: 0000000000350ee0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400