pvrusb2: Attached sub-driver cx25840 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 'i2c-1' WARNING: CPU: 0 PID: 3947 at fs/sysfs/group.c:281 sysfs_remove_group+0x16e/0x280 fs/sysfs/group.c:279 Modules linked in: CPU: 0 PID: 3947 Comm: pvrusb2-context Not tainted 5.12.0-rc8-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 RIP: 0010:sysfs_remove_group+0x16e/0x280 fs/sysfs/group.c:279 Code: 89 e0 48 c1 e8 03 42 80 3c 28 00 74 08 4c 89 e7 e8 57 da c8 ff 49 8b 14 24 48 c7 c7 80 1b 22 8a 4c 89 f6 31 c0 e8 62 c0 4e ff <0f> 0b 5b 41 5c 41 5d 41 5e 41 5f 5d c3 e8 00 5a 82 ff 49 8d 5e 20 RSP: 0018:ffffc900037afb48 EFLAGS: 00010246 RAX: c737bb1d12397200 RBX: ffff88801ef343a8 RCX: ffff88801e220000 RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000 RBP: 1ffffffff1519c68 R08: ffffffff8164f2f2 R09: ffffed1017385fe8 R10: ffffed1017385fe8 R11: 0000000000000000 R12: ffff88801ef34378 R13: dffffc0000000000 R14: ffffffff8a8ce300 R15: ffff888012b9b658 FS: 0000000000000000(0000) GS:ffff8880b9c00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007efc0674e000 CR3: 0000000013a66000 CR4: 00000000001506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: device_del+0x2ed/0xc10 drivers/base/core.c:3398 device_unregister+0x1a/0xc0 drivers/base/core.c:3454 i2c_del_adapter+0x370/0x7f0 drivers/i2c/i2c-core-base.c:1693 pvr2_i2c_core_done+0x55/0xb0 drivers/media/usb/pvrusb2/pvrusb2-i2c-core.c:652 pvr2_hdw_destroy+0x150/0x2b0 drivers/media/usb/pvrusb2/pvrusb2-hdw.c:2679 pvr2_context_destroy+0x7a/0x3c0 drivers/media/usb/pvrusb2/pvrusb2-context.c:70 pvr2_context_check drivers/media/usb/pvrusb2/pvrusb2-context.c:137 [inline] pvr2_context_thread_func+0x41d/0xb30 drivers/media/usb/pvrusb2/pvrusb2-context.c:158 kthread+0x39a/0x3c0 kernel/kthread.c:292 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:294