pvrusb2: Giving up since device microcontroller firmware appears to be missing.
pvrusb2: Failed to submit write-control URB status=-19
usb 4-1: Direct firmware load for v4l-pvrusb2-29xxx-01.fw failed with error -2
usb 4-1: Falling back to sysfs fallback for: v4l-pvrusb2-29xxx-01.fw
------------[ cut here ]------------
WARNING: CPU: 1 PID: 2425 at drivers/base/firmware_loader/fallback.c:569 fw_load_from_user_helper drivers/base/firmware_loader/fallback.c:569 [inline]
WARNING: CPU: 1 PID: 2425 at drivers/base/firmware_loader/fallback.c:569 firmware_fallback_sysfs+0x93c/0xbc0 drivers/base/firmware_loader/fallback.c:659
Modules linked in:
CPU: 0 PID: 2425 Comm: pvrusb2-context Not tainted 5.15.185-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025
RIP: 0010:fw_load_from_user_helper drivers/base/firmware_loader/fallback.c:569 [inline]
RIP: 0010:firmware_fallback_sysfs+0x93c/0xbc0 drivers/base/firmware_loader/fallback.c:659
Code: 5b 41 5c 41 5d 41 5e 41 5f 5d c3 e8 1e 4b a9 fc c6 05 cc 99 86 08 01 48 c7 c7 e0 33 7c 8a e8 eb 77 c8 04 eb d4 e8 04 4b a9 fc <0f> 0b 48 8b 7c 24 10 48 c7 c6 c0 34 7c 8a 48 89 ea e8 5e fe cb 04
RSP: 0018:ffffc90005e1f858 EFLAGS: 00010293
RAX: ffffffff84ce771c RBX: dffffc0000000000 RCX: ffff8880254d5940
RDX: 0000000000000000 RSI: 00000000fffffff5 RDI: 0000000000000000
RBP: ffffffff8ad179a0 R08: dffffc0000000000 R09: fffffbfff1ff365c
R10: fffffbfff1ff365c R11: 1ffffffff1ff365b R12: 0000000000000001
R13: 0000000000001770 R14: 0000000000000001 R15: 00000000fffffff5
FS:  0000000000000000(0000) GS:ffff8880b9000000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007efc08bc6d38 CR3: 000000002c4ea000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 _request_firmware+0xc86/0x12b0 drivers/base/firmware_loader/main.c:876
 request_firmware+0x32/0x50 drivers/base/firmware_loader/main.c:925
 pvr2_locate_firmware+0xb3/0x500 drivers/media/usb/pvrusb2/pvrusb2-hdw.c:1359
 pvr2_upload_firmware1+0x1b1/0x900 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+0x3dc/0x3a80 drivers/media/usb/pvrusb2/pvrusb2-hdw.c:2338
 pvr2_context_check drivers/media/usb/pvrusb2/pvrusb2-context.c:111 [inline]
 pvr2_context_thread_func+0x47e/0xac0 drivers/media/usb/pvrusb2/pvrusb2-context.c:158
 kthread+0x436/0x520 kernel/kthread.c:334
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:287
 </TASK>