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sysfs group 'power' not found for kobject '3-0011'
WARNING: CPU: 1 PID: 3963 at fs/sysfs/group.c:279 sysfs_remove_group+0xf2/0x140 fs/sysfs/group.c:279
Modules linked in:
CPU: 1 PID: 3963 Comm: pvrusb2-context Not tainted 5.11.0-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
RIP: 0010:sysfs_remove_group+0xf2/0x140 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 3e 48 8b 33 48 c7 c7 20 bc 9a 88 e8 88 90 22 06 <0f> 0b 48 83 c4 08 5b 5d 41 5c c3 e8 9e 65 d1 ff e9 26 ff ff ff 48
RSP: 0018:ffffc9000487fbb0 EFLAGS: 00010286
RAX: 0000000000000000 RBX: ffffffff88f337c0 RCX: 0000000000000000
RDX: 0000000000000001 RSI: ffffffff88ddb0e0 RDI: fffff5200090ff68
RBP: 0000000000000000 R08: 0000000000000001 R09: ffff8880b9f4c827
R10: ffffed10173e9904 R11: 7267207366737973 R12: ffff888027340020
R13: 1ffff9200090ff81 R14: dffffc0000000000 R15: 0000000000000000
FS:  0000000000000000(0000) GS:ffff8880b9e00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f0e2aee3138 CR3: 000000001d176000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 device_del+0x1f4/0xc10 drivers/base/core.c:3265
 device_unregister+0x11/0xa0 drivers/base/core.c:3321
 i2c_unregister_device include/linux/err.h:41 [inline]
 __unregister_client drivers/i2c/i2c-core-base.c:1606 [inline]
 __unregister_client+0x5d/0x70 drivers/i2c/i2c-core-base.c:1602
 device_for_each_child+0xd3/0x140 drivers/base/core.c:3421
 i2c_del_adapter+0x2b3/0x5f0 drivers/i2c/i2c-core-base.c:1669
 pvr2_i2c_core_done+0x4b/0xa0 drivers/media/usb/pvrusb2/pvrusb2-i2c-core.c:652
 pvr2_hdw_destroy+0x144/0x350 drivers/media/usb/pvrusb2/pvrusb2-hdw.c:2679
 pvr2_context_destroy+0x6a/0x1e0 drivers/media/usb/pvrusb2/pvrusb2-context.c:70
 pvr2_context_check drivers/media/usb/pvrusb2/pvrusb2-context.c:137 [inline]
 pvr2_context_thread_func+0x498/0x680 drivers/media/usb/pvrusb2/pvrusb2-context.c:158
 kthread+0x36f/0x450 kernel/kthread.c:292
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:296