dvb_usb_dibusb_mb 3-1:5.108: probe with driver dvb_usb_dibusb_mb failed with error -22
dvb-usb: found a 'AVerMedia AverTV DVBT USB1.1' in cold state, will try to load a firmware
usb 3-1: Direct firmware load for dvb-usb-dibusb-5.0.0.11.fw failed with error -2
usb 3-1: Falling back to sysfs fallback for: dvb-usb-dibusb-5.0.0.11.fw
------------[ cut here ]------------
ret
WARNING: drivers/base/firmware_loader/fallback.c:148 at fw_load_from_user_helper drivers/base/firmware_loader/fallback.c:148 [inline], CPU#0: kworker/0:6/6366
WARNING: drivers/base/firmware_loader/fallback.c:148 at firmware_fallback_sysfs+0x746/0xa30 drivers/base/firmware_loader/fallback.c:238, CPU#0: kworker/0:6/6366
Modules linked in:
CPU: 0 UID: 0 PID: 6366 Comm: kworker/0:6 Tainted: G             L      syzkaller #0 PREEMPT(full) 
Tainted: [L]=SOFTLOCKUP
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/24/2026
Workqueue: usb_hub_wq hub_event
RIP: 0010:fw_load_from_user_helper drivers/base/firmware_loader/fallback.c:148 [inline]
RIP: 0010:firmware_fallback_sysfs+0x746/0xa30 drivers/base/firmware_loader/fallback.c:238
Code: b8 fb e9 5d fc ff ff e8 a8 6c b8 fb c6 05 ac cc 0f 0a 01 48 c7 c7 40 8e 54 8c e8 95 3c 1a fb e9 85 fc ff ff e8 8b 6c b8 fb 90 <0f> 0b 90 4c 89 f7 48 c7 c6 40 8f 54 8c 4c 89 e2 e8 55 21 1f fb e9
RSP: 0018:ffffc9000ce1e910 EFLAGS: 00010287
RAX: ffffffff860d8175 RBX: dffffc0000000000 RCX: 0000000000100000
RDX: ffffc90016ed6000 RSI: 00000000000646ba RDI: 00000000000646bb
RBP: 0000000000000001 R08: ffffffff903352b7 R09: 1ffffffff2066a56
R10: dffffc0000000000 R11: fffffbfff2066a57 R12: ffffffff8ca00fe0
R13: 0000000000001770 R14: ffff88802b4b00b0 R15: 00000000fffffff5
FS:  0000000000000000(0000) GS:ffff888125016000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f1d52780e9c CR3: 000000000e74c000 CR4: 00000000003526f0
Call Trace:
 <TASK>
 _request_firmware+0x1052/0x1780 drivers/base/firmware_loader/main.c:898
 request_firmware+0x36/0x50 drivers/base/firmware_loader/main.c:948
 dvb_usb_download_firmware+0xb5/0x270 drivers/media/usb/dvb-usb/dvb-usb-firmware.c:93
 dvb_usb_device_init+0xde2/0x2590 drivers/media/usb/dvb-usb/dvb-usb-init.c:298
 dibusb_probe+0x2d/0xf0 drivers/media/usb/dvb-usb/dibusb-mb.c:110
 usb_probe_interface+0x668/0xc90 drivers/usb/core/driver.c:396
 call_driver_probe drivers/base/dd.c:-1 [inline]
 really_probe+0x267/0xaf0 drivers/base/dd.c:661
 __driver_probe_device+0x18c/0x320 drivers/base/dd.c:803
 driver_probe_device+0x4f/0x240 drivers/base/dd.c:833
 __device_attach_driver+0x2d4/0x4c0 drivers/base/dd.c:961
 bus_for_each_drv+0x258/0x2f0 drivers/base/bus.c:500
 __device_attach+0x2c5/0x450 drivers/base/dd.c:1033
 device_initial_probe+0xa1/0xd0 drivers/base/dd.c:1088
 bus_probe_device+0x12a/0x220 drivers/base/bus.c:574
 device_add+0x7b6/0xb70 drivers/base/core.c:3689
 usb_set_configuration+0x1a87/0x2110 drivers/usb/core/message.c:2210
 usb_generic_driver_probe+0x8d/0x150 drivers/usb/core/generic.c:250
 usb_probe_device+0x1c4/0x3b0 drivers/usb/core/driver.c:291
 call_driver_probe drivers/base/dd.c:-1 [inline]
 really_probe+0x267/0xaf0 drivers/base/dd.c:661
 __driver_probe_device+0x18c/0x320 drivers/base/dd.c:803
 driver_probe_device+0x4f/0x240 drivers/base/dd.c:833
 __device_attach_driver+0x2d4/0x4c0 drivers/base/dd.c:961
 bus_for_each_drv+0x258/0x2f0 drivers/base/bus.c:500
 __device_attach+0x2c5/0x450 drivers/base/dd.c:1033
 device_initial_probe+0xa1/0xd0 drivers/base/dd.c:1088
 bus_probe_device+0x12a/0x220 drivers/base/bus.c:574
 device_add+0x7b6/0xb70 drivers/base/core.c:3689
 usb_new_device+0xa08/0x16f0 drivers/usb/core/hub.c:2695
 hub_port_connect drivers/usb/core/hub.c:5567 [inline]
 hub_port_connect_change drivers/usb/core/hub.c:5707 [inline]
 port_event drivers/usb/core/hub.c:5871 [inline]
 hub_event+0x2a1c/0x4f30 drivers/usb/core/hub.c:5953
 process_one_work+0x949/0x1650 kernel/workqueue.c:3279
 process_scheduled_works kernel/workqueue.c:3362 [inline]
 worker_thread+0xb46/0x1140 kernel/workqueue.c:3443
 kthread+0x388/0x470 kernel/kthread.c:467
 ret_from_fork+0x51e/0xb90 arch/x86/kernel/process.c:158
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245
 </TASK>