pvrusb2: Giving up since device microcontroller firmware appears to be missing.
pvrusb2: Invalid write control endpoint
usb 5-1: Direct firmware load for v4l-pvrusb2-73xxx-01.fw failed with error -2
usb 5-1: Falling back to sysfs fallback for: v4l-pvrusb2-73xxx-01.fw
------------[ cut here ]------------
WARNING: CPU: 0 PID: 2339 at drivers/base/firmware_loader/fallback.c:148 fw_load_from_user_helper drivers/base/firmware_loader/fallback.c:148 [inline]
WARNING: CPU: 0 PID: 2339 at drivers/base/firmware_loader/fallback.c:148 firmware_fallback_sysfs+0x782/0x9e0 drivers/base/firmware_loader/fallback.c:238
Modules linked in:
CPU: 0 UID: 0 PID: 2339 Comm: pvrusb2-context Not tainted 6.14.0-rc4-syzkaller-00278-gece144f151ac #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
RIP: 0010:fw_load_from_user_helper drivers/base/firmware_loader/fallback.c:148 [inline]
RIP: 0010:firmware_fallback_sysfs+0x782/0x9e0 drivers/base/firmware_loader/fallback.c:238
Code: 1c 24 e9 4d fc ff ff e8 7c 10 83 fb c6 05 c2 5e e8 09 01 48 c7 c7 c0 45 a7 8c e8 c9 57 e8 fa e9 72 fc ff ff e8 5f 10 83 fb 90 <0f> 0b 90 48 89 df 48 c7 c6 a0 46 a7 8c 4c 89 ea e8 59 ab ea fa e9
RSP: 0018:ffffc90005f27670 EFLAGS: 00010293
RAX: ffffffff863eaec1 RBX: ffff88804eab90a8 RCX: ffff88802a531e00
RDX: 0000000000000000 RSI: 00000000fffffff5 RDI: 0000000000000000
RBP: 000000000000003c R08: ffffffff863ea8d0 R09: 1ffffffff28a9326
R10: dffffc0000000000 R11: fffffbfff28a9327 R12: 00000000fffffff5
R13: ffffffff8cff6b20 R14: 0000000000000001 R15: 0000000000001770
FS:  0000000000000000(0000) GS:ffff8880b8600000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f12fa38fff8 CR3: 000000000e938000 CR4: 00000000003526f0
Call Trace:
 <TASK>
 _request_firmware+0xe44/0x1430 drivers/base/firmware_loader/main.c:941
 request_firmware+0x36/0x50 drivers/base/firmware_loader/main.c:992
 pvr2_locate_firmware+0xb1/0x500 drivers/media/usb/pvrusb2/pvrusb2-hdw.c:1359
 pvr2_upload_firmware1+0x1c6/0x950 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+0x411/0x3d20 drivers/media/usb/pvrusb2/pvrusb2-hdw.c:2338
 pvr2_context_check drivers/media/usb/pvrusb2/pvrusb2-context.c:111 [inline]
 pvr2_context_thread_func+0x4b3/0xb50 drivers/media/usb/pvrusb2/pvrusb2-context.c:158
 kthread+0x7a9/0x920 kernel/kthread.c:464
 ret_from_fork+0x4b/0x80 arch/x86/kernel/process.c:148
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244
 </TASK>