pvrusb2: Giving up since device microcontroller firmware appears to be missing. pvrusb2: Failed to submit write-control URB status=-19 usb 5-1: Direct firmware load for v4l-pvrusb2-29xxx-01.fw failed with error -2 usb 5-1: Falling back to sysfs fallback for: v4l-pvrusb2-29xxx-01.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#1: pvrusb2-context/2365 WARNING: drivers/base/firmware_loader/fallback.c:148 at firmware_fallback_sysfs+0x755/0xa40 drivers/base/firmware_loader/fallback.c:238, CPU#1: pvrusb2-context/2365 Modules linked in: CPU: 1 UID: 0 PID: 2365 Comm: pvrusb2-context Tainted: G L syzkaller #0 PREEMPT(full) Tainted: [L]=SOFTLOCKUP Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026 RIP: 0010:fw_load_from_user_helper drivers/base/firmware_loader/fallback.c:148 [inline] RIP: 0010:firmware_fallback_sysfs+0x755/0xa40 drivers/base/firmware_loader/fallback.c:238 Code: b4 fb e9 48 fc ff ff e8 79 e4 b4 fb c6 05 de 6c 0b 0a 01 48 c7 c7 80 e4 54 8c e8 16 63 16 fb e9 70 fc ff ff e8 5c e4 b4 fb 90 <0f> 0b 90 4c 89 f7 48 c7 c6 80 e5 54 8c 4c 89 e2 e8 26 f1 1a fb e9 RSP: 0018:ffffc9000628f680 EFLAGS: 00010293 RAX: ffffffff86114c44 RBX: dffffc0000000000 RCX: ffff88802bee5d00 RDX: 0000000000000000 RSI: 00000000fffffff5 RDI: 0000000000000000 RBP: 0000000000000001 R08: ffffffff9032d2f7 R09: 1ffffffff2065a5e R10: dffffc0000000000 R11: fffffbfff2065a5f R12: ffffffff8cafb460 R13: 0000000000001770 R14: ffff888029be80b0 R15: 00000000fffffff5 FS: 0000000000000000(0000) GS:ffff888125327000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000200000404030 CR3: 0000000035f7e000 CR4: 00000000003526f0 DR0: ffffffffffffffff DR1: 8000000000000000 DR2: 00000000000003ff DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400 Call Trace: _request_firmware+0x1049/0x1780 drivers/base/firmware_loader/main.c:898 request_firmware+0x36/0x50 drivers/base/firmware_loader/main.c:948 pvr2_locate_firmware+0xb3/0x500 drivers/media/usb/pvrusb2/pvrusb2-hdw.c:1359 pvr2_upload_firmware1+0x1bd/0x940 drivers/media/usb/pvrusb2/pvrusb2-hdw.c:1426 pvr2_hdw_setup_low drivers/media/usb/pvrusb2/pvrusb2-hdw.c:2107 [inline] pvr2_hdw_setup drivers/media/usb/pvrusb2/pvrusb2-hdw.c:2261 [inline] pvr2_hdw_initialize+0x425/0x3c60 drivers/media/usb/pvrusb2/pvrusb2-hdw.c:2338 pvr2_context_check drivers/media/usb/pvrusb2/pvrusb2-context.c:111 [inline] pvr2_context_thread_func+0x504/0xc10 drivers/media/usb/pvrusb2/pvrusb2-context.c:158 kthread+0x388/0x470 kernel/kthread.c:436 ret_from_fork+0x514/0xb70 arch/x86/kernel/process.c:158 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245