dvb-usb: did not find the firmware file 'dvb-usb-az6027-03.fw' (status -2). You can use /scripts/get_dvb_firmware to get the firmware dvb_usb_az6027 3-1:85.72: probe with driver dvb_usb_az6027 failed with error -2 dvb-usb: found a 'AZUREWAVE DVB-S/S2 USB2.0 (AZ6027)' in cold state, will try to load a firmware usb 3-1: Direct firmware load for dvb-usb-az6027-03.fw failed with error -2 usb 3-1: Falling back to sysfs fallback for: dvb-usb-az6027-03.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/1:7/5949 WARNING: drivers/base/firmware_loader/fallback.c:148 at firmware_fallback_sysfs+0x746/0x9b0 drivers/base/firmware_loader/fallback.c:238, CPU#1: kworker/1:7/5949 Modules linked in: CPU: 1 UID: 0 PID: 5949 Comm: kworker/1:7 Not tainted syzkaller #0 PREEMPT(full) Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025 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: ab fb e9 5d fc ff ff e8 f8 fb ab fb c6 05 39 5c bb 09 01 48 c7 c7 00 32 2c 8c e8 c5 84 13 fb e9 85 fc ff ff e8 db fb ab fb 90 <0f> 0b 90 4c 89 f7 48 c7 c6 e0 32 2c 8c 4c 89 e2 e8 85 bd 18 fb e9 RSP: 0018:ffffc90004af6890 EFLAGS: 00010283 RAX: ffffffff861420c5 RBX: dffffc0000000000 RCX: 0000000000100000 RDX: ffffc900174ad000 RSI: 000000000009f9c6 RDI: 000000000009f9c7 RBP: 0000000000000001 R08: ffffffff8fe58337 R09: 1ffffffff1fcb066 R10: dffffc0000000000 R11: fffffbfff1fcb067 R12: ffffffff8c77d1e0 R13: 0000000000001770 R14: ffff8880323c60b0 R15: 00000000fffffff5 FS: 0000000000000000(0000) GS:ffff88812589c000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f2bdaea1bd0 CR3: 000000000e338000 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 usb_probe_interface+0x668/0xc30 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+0x251/0x2e0 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+0x251/0x2e0 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:3263 [inline] process_scheduled_works+0xae1/0x17b0 kernel/workqueue.c:3346 worker_thread+0x8a0/0xda0 kernel/workqueue.c:3427 kthread+0x711/0x8a0 kernel/kthread.c:463 ret_from_fork+0x4bc/0x870 arch/x86/kernel/process.c:158 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245