pvrusb2: ***WARNING*** pvrusb2 device hardware appears to be jammed and I can't clear it.
pvrusb2: You might need to power cycle the pvrusb2 device in order to recover.
------------[ cut here ]------------
sysfs group 'power' not found for kobject '4-0044'
WARNING: CPU: 1 PID: 3953 at fs/sysfs/group.c:279 sysfs_remove_group+0x126/0x170 fs/sysfs/group.c:279
Modules linked in:
CPU: 0 PID: 3953 Comm: pvrusb2-context Not tainted 5.12.0-rc6-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
RIP: 0010:sysfs_remove_group+0x126/0x170 fs/sysfs/group.c:279
Code: 48 89 d9 49 8b 14 24 48 b8 00 00 00 00 00 fc ff df 48 c1 e9 03 80 3c 01 00 75 37 48 8b 33 48 c7 c7 60 54 7c 89 e8 96 96 d3 06 <0f> 0b eb 98 e8 51 49 c9 ff e9 01 ff ff ff 48 89 df e8 44 49 c9 ff
RSP: 0018:ffffc90003abfb80 EFLAGS: 00010286
RAX: 0000000000000000 RBX: ffffffff89d9f320 RCX: 0000000000000000
RDX: ffff88801d689c40 RSI: ffffffff815c4cb5 RDI: fffff52000757f62
RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000
R10: ffffffff815bda4e R11: 0000000000000000 R12: ffff88801c1a1020
R13: ffffffff89d9f8c0 R14: 1ffff92000757f98 R15: dffffc0000000000
FS:  0000000000000000(0000) GS:ffff8880b9c00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000055b818d92c27 CR3: 000000000bc8e000 CR4: 0000000000350ef0
Call Trace:
 dpm_sysfs_remove+0x97/0xb0 drivers/base/power/sysfs.c:837
 device_del+0x20c/0xd40 drivers/base/core.c:3398
 device_unregister+0x22/0xc0 drivers/base/core.c:3454
 i2c_unregister_device include/linux/err.h:41 [inline]
 __unregister_client drivers/i2c/i2c-core-base.c:1606 [inline]
 __unregister_client+0x95/0xa0 drivers/i2c/i2c-core-base.c:1602
 device_for_each_child+0xf9/0x170 drivers/base/core.c:3554
 i2c_del_adapter+0x37b/0x680 drivers/i2c/i2c-core-base.c:1669
 pvr2_i2c_core_done+0x69/0xc0 drivers/media/usb/pvrusb2/pvrusb2-i2c-core.c:652
 pvr2_hdw_destroy+0x179/0x3b0 drivers/media/usb/pvrusb2/pvrusb2-hdw.c:2679
 pvr2_context_destroy+0x84/0x230 drivers/media/usb/pvrusb2/pvrusb2-context.c:70
 pvr2_context_check drivers/media/usb/pvrusb2/pvrusb2-context.c:137 [inline]
 pvr2_context_thread_func+0x64b/0x850 drivers/media/usb/pvrusb2/pvrusb2-context.c:158
 kthread+0x3b1/0x4a0 kernel/kthread.c:292
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:294