dvb-usb: did not find the firmware file 'dvb-usb-wt220u-02.fw' (status -2). You can use /scripts/get_dvb_firmware to get the firmware dvb-usb: found a 'WideView WT-220U PenType Receiver (Typhoon/Freecom)' in cold state, will try to load a firmware usb 4-1: Direct firmware load for dvb-usb-wt220u-02.fw failed with error -2 usb 4-1: Falling back to sysfs fallback for: dvb-usb-wt220u-02.fw ------------[ cut here ]------------ WARNING: drivers/base/firmware_loader/fallback.c:148 at fw_load_from_user_helper drivers/base/firmware_loader/fallback.c:148 [inline], CPU#1: kworker/1:2/984 WARNING: drivers/base/firmware_loader/fallback.c:148 at firmware_fallback_sysfs+0x746/0x9b0 drivers/base/firmware_loader/fallback.c:238, CPU#1: kworker/1:2/984 Modules linked in: CPU: 1 UID: 0 PID: 984 Comm: kworker/1:2 Not tainted syzkaller #0 PREEMPT(full) Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025 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+0x746/0x9b0 drivers/base/firmware_loader/fallback.c:238 Code: af fb e9 5d fc ff ff e8 18 26 af fb c6 05 6f 1d be 09 01 48 c7 c7 60 f5 2b 8c e8 15 d1 16 fb e9 85 fc ff ff e8 fb 25 af fb 90 <0f> 0b 90 4c 89 f7 48 c7 c6 40 f6 2b 8c 4c 89 e2 e8 a5 0a 1c fb e9 RSP: 0018:ffffc900038ce890 EFLAGS: 00010283 RAX: ffffffff8610d175 RBX: dffffc0000000000 RCX: 0000000000100000 RDX: ffffc9001767c000 RSI: 0000000000076c06 RDI: 0000000000076c07 RBP: 0000000000000001 R08: ffffffff8fe4fd37 R09: 1ffffffff1fc9fa6 R10: dffffc0000000000 R11: fffffbfff1fc9fa7 R12: ffffffff8c762aa0 R13: 0000000000001770 R14: ffff88807906c0b0 R15: 00000000fffffff5 FS: 0000000000000000(0000) GS:ffff8881258cf000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fff5aaf9ff8 CR3: 0000000032ece000 CR4: 00000000003526f0 Call Trace: _request_firmware+0xf83/0x15b0 drivers/base/firmware_loader/main.c:906 request_firmware+0x36/0x50 drivers/base/firmware_loader/main.c:957 dvb_usb_download_firmware+0xaf/0x260 drivers/media/usb/dvb-usb/dvb-usb-firmware.c:93 dvb_usb_device_init+0xdd2/0x2580 drivers/media/usb/dvb-usb/dvb-usb-init.c:298 dtt200u_usb_probe+0x5b/0x120 drivers/media/usb/dvb-usb/dtt200u.c:148 usb_probe_interface+0x665/0xc30 drivers/usb/core/driver.c:396 call_driver_probe drivers/base/dd.c:-1 [inline] really_probe+0x26d/0x9e0 drivers/base/dd.c:659 __driver_probe_device+0x18c/0x2f0 drivers/base/dd.c:801 driver_probe_device+0x4f/0x430 drivers/base/dd.c:831 __device_attach_driver+0x2ce/0x530 drivers/base/dd.c:959 bus_for_each_drv+0x24e/0x2e0 drivers/base/bus.c:462 __device_attach+0x2b8/0x400 drivers/base/dd.c:1031 bus_probe_device+0x185/0x260 drivers/base/bus.c:537 device_add+0x7b6/0xb50 drivers/base/core.c:3689 usb_set_configuration+0x1a87/0x20e0 drivers/usb/core/message.c:2210 usb_generic_driver_probe+0x8d/0x150 drivers/usb/core/generic.c:250 usb_probe_device+0x1c4/0x390 drivers/usb/core/driver.c:291 call_driver_probe drivers/base/dd.c:-1 [inline] really_probe+0x26d/0x9e0 drivers/base/dd.c:659 __driver_probe_device+0x18c/0x2f0 drivers/base/dd.c:801 driver_probe_device+0x4f/0x430 drivers/base/dd.c:831 __device_attach_driver+0x2ce/0x530 drivers/base/dd.c:959 bus_for_each_drv+0x24e/0x2e0 drivers/base/bus.c:462 __device_attach+0x2b8/0x400 drivers/base/dd.c:1031 bus_probe_device+0x185/0x260 drivers/base/bus.c:537 device_add+0x7b6/0xb50 drivers/base/core.c:3689 usb_new_device+0xa39/0x16f0 drivers/usb/core/hub.c:2694 hub_port_connect drivers/usb/core/hub.c:5566 [inline] hub_port_connect_change drivers/usb/core/hub.c:5706 [inline] port_event drivers/usb/core/hub.c:5870 [inline] hub_event+0x2958/0x4a20 drivers/usb/core/hub.c:5952 process_one_work kernel/workqueue.c:3236 [inline] process_scheduled_works+0xae1/0x17b0 kernel/workqueue.c:3319 worker_thread+0x8a0/0xda0 kernel/workqueue.c:3400 kthread+0x70e/0x8a0 kernel/kthread.c:463 ret_from_fork+0x3f9/0x770 arch/x86/kernel/process.c:148 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245