usb 11-1: Direct firmware load for v4l-pvrusb2-24xxx-01.fw failed with error -2 usb 11-1: Falling back to sysfs fallback for: v4l-pvrusb2-24xxx-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/2516 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/2516 Modules linked in: CPU: 2 UID: 0 PID: 2516 Comm: pvrusb2-context Not tainted syzkaller #0 PREEMPT(full) 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 c7 4c df fa e8 59 ca a8 fb e8 44 e2 6c fb 31 ff 89 c3 89 c6 e8 b9 c4 a8 fb 85 db 0f 84 0f fb ff ff e8 3c ca a8 fb 90 <0f> 0b 90 48 8b 3c 24 4c 89 e2 48 c7 c6 a0 df 71 8c e8 a5 1b df fa RSP: 0018:ffffc9000ea8f8d0 EFLAGS: 00010293 RAX: 0000000000000000 RBX: 00000000fffffff5 RCX: ffffffff8660e6b7 RDX: ffff888000652540 RSI: ffffffff8660e6c4 RDI: ffff888000652540 RBP: 0000000000000001 R08: 0000000000000005 R09: 0000000000000000 R10: 00000000fffffff5 R11: 000000000000756b R12: ffffffff8cdcae80 R13: ffff88804b2f5480 R14: 0000000000001770 R15: ffff88804b2f5490 FS: 0000000000000000(0000) GS:ffff888096ddf000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000558adb1e12e6 CR3: 000000005344c000 CR4: 0000000000352ef0 Call Trace: _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