pvrusb2: Giving up since device microcontroller firmware appears to be missing.
pvrusb2: Failed to submit write-control URB status=-19
usb 2-1: Direct firmware load for v4l-pvrusb2-29xxx-01.fw failed with error -2
usb 2-1: 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#0: pvrusb2-context/2345
WARNING: drivers/base/firmware_loader/fallback.c:148 at firmware_fallback_sysfs+0x746/0xa30 drivers/base/firmware_loader/fallback.c:238, CPU#0: pvrusb2-context/2345
Modules linked in:
CPU: 0 UID: 0 PID: 2345 Comm: pvrusb2-context Not tainted syzkaller #0 PREEMPT(full) 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
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: bf fb e9 5d fc ff ff e8 18 46 bf fb c6 05 02 9d f5 09 01 48 c7 c7 e0 0c 53 8c e8 85 49 21 fb e9 85 fc ff ff e8 fb 45 bf fb 90 <0f> 0b 90 4c 89 f7 48 c7 c6 e0 0d 53 8c 4c 89 e2 e8 35 de 25 fb e9
RSP: 0018:ffffc900075e7670 EFLAGS: 00010293
RAX: ffffffff860672d5 RBX: dffffc0000000000 RCX: ffff88802d645b80
RDX: 0000000000000000 RSI: 00000000fffffff5 RDI: 0000000000000000
RBP: 0000000000000001 R08: ffffffff90121fb7 R09: 1ffffffff20243f6
R10: dffffc0000000000 R11: fffffbfff20243f7 R12: ffffffff8cad1d60
R13: 0000000000001770 R14: ffff8880323020b0 R15: 00000000fffffff5
FS:  0000000000000000(0000) GS:ffff888125448000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fd89f1f84c0 CR3: 00000000319e2000 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
 pvr2_locate_firmware+0xb3/0x500 drivers/media/usb/pvrusb2/pvrusb2-hdw.c:1359
 pvr2_upload_firmware1+0x1ba/0x910 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+0x428/0x3c50 drivers/media/usb/pvrusb2/pvrusb2-hdw.c:2338
 pvr2_context_check drivers/media/usb/pvrusb2/pvrusb2-context.c:111 [inline]
 pvr2_context_thread_func+0x490/0xb40 drivers/media/usb/pvrusb2/pvrusb2-context.c:158
 kthread+0x388/0x470 kernel/kthread.c:436
 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>