em28xx 1-1:0.108: Audio interface 108 found (Vendor Class)
em28xx 1-1:0.108: unknown em28xx chip ID (0)
em28xx 1-1:0.108: Config register raw data: 0xfffffffb
em28xx 1-1:0.108: AC97 chip type couldn't be determined
em28xx 1-1:0.108: No AC97 audio processor
list_add corruption. prev->next should be next (ffffffff8d21eaa0), but was ffffffff814a3b5d. (prev=ffff888015580250).
------------[ cut here ]------------
kernel BUG at lib/list_debug.c:26!
invalid opcode: 0000 [#1] PREEMPT SMP KASAN
CPU: 0 PID: 5 Comm: kworker/0:0 Not tainted 5.12.0-rc1-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Workqueue: usb_hub_wq hub_event
RIP: 0010:__list_add_valid.cold+0x3a/0x3c lib/list_debug.c:26
Code: 0b 48 89 f2 4c 89 e1 48 89 ee 48 c7 c7 80 4b bf 89 e8 cd 1c f3 ff 0f 0b 48 89 f1 48 c7 c7 00 4b bf 89 4c 89 e6 e8 b9 1c f3 ff <0f> 0b 48 89 ee 48 c7 c7 a0 4c bf 89 e8 a8 1c f3 ff 0f 0b 4c 89 ea
RSP: 0018:ffffc90000ca6fa0 EFLAGS: 00010282
RAX: 0000000000000075 RBX: ffff88801bc8e000 RCX: 0000000000000000
RDX: ffff888011530000 RSI: ffffffff815bd175 RDI: fffff52000194de6
RBP: ffff8880252b0250 R08: 0000000000000075 R09: 0000000000000000
R10: ffffffff815b624e R11: 0000000000000000 R12: ffffffff8d21eaa0
R13: ffff8880252b0000 R14: ffff8880252b013c R15: ffff88801bc8f000
FS:  0000000000000000(0000) GS:ffff8880b9c00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f30c3bf6000 CR3: 0000000025d22000 CR4: 00000000001506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 __list_add include/linux/list.h:67 [inline]
 list_add_tail include/linux/list.h:100 [inline]
 em28xx_init_extension+0x44/0x1f0 drivers/media/usb/em28xx/em28xx-core.c:1123
 em28xx_init_dev.constprop.0+0xa8b/0x172f drivers/media/usb/em28xx/em28xx-cards.c:3626
 em28xx_usb_probe.cold+0xc23/0x2589 drivers/media/usb/em28xx/em28xx-cards.c:3975
 usb_probe_interface+0x315/0x7f0 drivers/usb/core/driver.c:396
 really_probe+0x291/0xe60 drivers/base/dd.c:554
 driver_probe_device+0x26b/0x3d0 drivers/base/dd.c:740
 __device_attach_driver+0x1d1/0x290 drivers/base/dd.c:846
 bus_for_each_drv+0x15f/0x1e0 drivers/base/bus.c:431
 __device_attach+0x228/0x4a0 drivers/base/dd.c:914
 bus_probe_device+0x1e4/0x290 drivers/base/bus.c:491
 device_add+0xbdb/0x1db0 drivers/base/core.c:3242
 usb_set_configuration+0x113f/0x1910 drivers/usb/core/message.c:2164
 usb_generic_driver_probe+0xba/0x100 drivers/usb/core/generic.c:238
 usb_probe_device+0xd9/0x2c0 drivers/usb/core/driver.c:293
 really_probe+0x291/0xe60 drivers/base/dd.c:554
 driver_probe_device+0x26b/0x3d0 drivers/base/dd.c:740
 __device_attach_driver+0x1d1/0x290 drivers/base/dd.c:846
 bus_for_each_drv+0x15f/0x1e0 drivers/base/bus.c:431
 __device_attach+0x228/0x4a0 drivers/base/dd.c:914
 bus_probe_device+0x1e4/0x290 drivers/base/bus.c:491
 device_add+0xbdb/0x1db0 drivers/base/core.c:3242
 usb_new_device.cold+0x721/0x1058 drivers/usb/core/hub.c:2555
 hub_port_connect drivers/usb/core/hub.c:5223 [inline]
 hub_port_connect_change drivers/usb/core/hub.c:5363 [inline]
 port_event drivers/usb/core/hub.c:5509 [inline]
 hub_event+0x2357/0x4320 drivers/usb/core/hub.c:5591
 process_one_work+0x98d/0x1600 kernel/workqueue.c:2275
 process_scheduled_works kernel/workqueue.c:2337 [inline]
 worker_thread+0x82b/0x1120 kernel/workqueue.c:2423
 kthread+0x3b1/0x4a0 kernel/kthread.c:292
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:294
Modules linked in:
---[ end trace c4cef255a10bcdd1 ]---
RIP: 0010:__list_add_valid.cold+0x3a/0x3c lib/list_debug.c:26
Code: 0b 48 89 f2 4c 89 e1 48 89 ee 48 c7 c7 80 4b bf 89 e8 cd 1c f3 ff 0f 0b 48 89 f1 48 c7 c7 00 4b bf 89 4c 89 e6 e8 b9 1c f3 ff <0f> 0b 48 89 ee 48 c7 c7 a0 4c bf 89 e8 a8 1c f3 ff 0f 0b 4c 89 ea
RSP: 0018:ffffc90000ca6fa0 EFLAGS: 00010282
RAX: 0000000000000075 RBX: ffff88801bc8e000 RCX: 0000000000000000
RDX: ffff888011530000 RSI: ffffffff815bd175 RDI: fffff52000194de6
RBP: ffff8880252b0250 R08: 0000000000000075 R09: 0000000000000000
R10: ffffffff815b624e R11: 0000000000000000 R12: ffffffff8d21eaa0
R13: ffff8880252b0000 R14: ffff8880252b013c R15: ffff88801bc8f000
FS:  0000000000000000(0000) GS:ffff8880b9c00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f30c3bfb000 CR3: 0000000025d22000 CR4: 00000000001506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400