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#2: pvrusb2-context/2492
WARNING: drivers/base/firmware_loader/fallback.c:148 at firmware_fallback_sysfs+0x6d5/0xc20 drivers/base/firmware_loader/fallback.c:238, CPU#2: pvrusb2-context/2492
Modules linked in:
CPU: 2 UID: 0 PID: 2492 Comm: pvrusb2-context Tainted: G             L      syzkaller #0 PREEMPT(full) 
Tainted: [L]=SOFTLOCKUP
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014
RIP: 0010:fw_load_from_user_helper drivers/base/firmware_loader/fallback.c:148 [inline]
RIP: 0010:firmware_fallback_sysfs+0x6d5/0xc20 drivers/base/firmware_loader/fallback.c:238
Code: ff ff e9 24 16 1d fb e8 89 cc e3 fb e8 94 d9 a9 fb 31 ff 89 c3 89 c6 e8 29 c7 e3 fb 85 db 0f 84 0f fb ff ff e8 6c cc e3 fb 90 <0f> 0b 90 48 8b 3c 24 4c 89 e2 48 c7 c6 a0 0e 2c 8c e8 a5 e5 1c fb
RSP: 0018:ffffc9000e00f860 EFLAGS: 00010293
RAX: 0000000000000000 RBX: 00000000fffffff5 RCX: ffffffff86227e47
RDX: ffff8880234424c0 RSI: ffffffff86227e54 RDI: ffff8880234424c0
RBP: 0000000000000001 R08: 0000000000000005 R09: 0000000000000000
R10: 00000000fffffff5 R11: 0000000000007589 R12: ffffffff8c959800
R13: ffff888067cd42c0 R14: 0000000000001770 R15: ffff888067cd42d0
FS:  0000000000000000(0000) GS:ffff8880975e3000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00000000ffed7eec CR3: 000000002511d000 CR4: 0000000000352ef0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000600
Call Trace:
 <TASK>
 _request_firmware+0x1068/0x14b0 drivers/base/firmware_loader/main.c:898
 request_firmware+0x35/0x50 drivers/base/firmware_loader/main.c:948
 pvr2_locate_firmware+0x8f/0x330 drivers/media/usb/pvrusb2/pvrusb2-hdw.c:1359
 pvr2_upload_firmware1+0x1ca/0x920 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+0x3e6/0x3710 drivers/media/usb/pvrusb2/pvrusb2-hdw.c:2338
 pvr2_context_check drivers/media/usb/pvrusb2/pvrusb2-context.c:111 [inline]
 pvr2_context_thread_func+0x253/0x920 drivers/media/usb/pvrusb2/pvrusb2-context.c:158
 kthread+0x3b3/0x730 kernel/kthread.c:463
 ret_from_fork+0x754/0xaf0 arch/x86/kernel/process.c:158
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:246
 </TASK>