------------[ 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/2361
WARNING: drivers/base/firmware_loader/fallback.c:148 at firmware_fallback_sysfs+0x6d5/0xc20 drivers/base/firmware_loader/fallback.c:238, CPU#0: pvrusb2-context/2361
Modules linked in:
CPU: 0 UID: 0 PID: 2361 Comm: pvrusb2-context Not tainted syzkaller #0 PREEMPT(full) 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026
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 57 07 dd fa e8 f9 1b a7 fb e8 64 0e 6b fb 31 ff 89 c3 89 c6 e8 59 16 a7 fb 85 db 0f 84 0f fb ff ff e8 dc 1b a7 fb 90 <0f> 0b 90 48 8b 3c 24 4c 89 e2 48 c7 c6 a0 fb 71 8c e8 35 d6 dc fa
RSP: 0018:ffffc90007aff8d0 EFLAGS: 00010293
RAX: 0000000000000000 RBX: 00000000fffffff5 RCX: ffffffff866348f7
RDX: ffff88802d834a80 RSI: ffffffff86634904 RDI: ffff88802d834a80
RBP: 0000000000000001 R08: 0000000000000005 R09: 0000000000000000
R10: 00000000fffffff5 R11: 000000000000758b R12: ffffffff8cdcca80
R13: ffff8880348cc6c0 R14: 0000000000001770 R15: ffff8880348cc6d0
FS:  0000000000000000(0000) GS:ffff888123dd8000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007febcd787640 CR3: 000000002ce4e000 CR4: 00000000003526f0
Call Trace:
 <TASK>
 _request_firmware+0xfd7/0x13c0 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+0x370/0x450 kernel/kthread.c:436
 ret_from_fork+0x72b/0xd50 arch/x86/kernel/process.c:158
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245
 </TASK>