WARNING in sysfs_remove

Kernel	Title	Repro	Count	Last	Reported	Patched	Status
upstream	WARNING in sysfs_remove_group fs	C	11125	2328d	2582d	8/28	fixed on 2018/07/09 18:05
upstream	WARNING in sysfs_remove_group (2) fs	C	1725	1886d	2253d	0/28	closed as dup on 2018/11/25 13:06
linux-4.19	WARNING in sysfs_remove_group		1	1896d	1896d	0/1	auto-closed as invalid on 2020/01/10 17:21

kobject_add_internal failed for hci0 (error: -2 parent: bluetooth) Bluetooth: Can't register HCI device sysfs group 'power' not found for kobject 'rfkill724' ------------[ cut here ]------------ kobject: 'rfkill730' (ffff88808f0bb6a8): kobject_uevent_env WARNING: CPU: 1 PID: 7872 at fs/sysfs/group.c:235 sysfs_remove_group fs/sysfs/group.c:235 [inline] WARNING: CPU: 1 PID: 7872 at fs/sysfs/group.c:235 sysfs_remove_group.cold+0x4f/0x69 fs/sysfs/group.c:226 Kernel panic - not syncing: panic_on_warn set ... CPU: 1 PID: 7872 Comm: syz-executor649 Not tainted 4.14.133 #28 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Call Trace: __dump_stack lib/dump_stack.c:17 [inline] dump_stack+0x138/0x19c lib/dump_stack.c:53 panic+0x1f2/0x426 kernel/panic.c:182 kobject: 'hci2' (ffff88808e4ce428): kobject_add_internal: parent: 'bluetooth', set: 'devices' __warn.cold+0x2f/0x36 kernel/panic.c:546 report_bug+0x216/0x254 lib/bug.c:186 kobject: 'hci3' (ffff88808f772468): kobject_add_internal: parent: 'bluetooth', set: 'devices' fixup_bug arch/x86/kernel/traps.c:177 [inline] fixup_bug arch/x86/kernel/traps.c:172 [inline] do_error_trap+0x1bb/0x310 arch/x86/kernel/traps.c:295 do_invalid_op+0x1b/0x20 arch/x86/kernel/traps.c:314 invalid_op+0x1b/0x40 arch/x86/entry/entry_64.S:960 RIP: 0010:sysfs_remove_group fs/sysfs/group.c:235 [inline] RIP: 0010:sysfs_remove_group.cold+0x4f/0x69 fs/sysfs/group.c:226 kobject: 'rfkill730' (ffff88808f0bb6a8): fill_kobj_path: path = '/devices/virtual/bluetooth/hci0/rfkill730' RSP: 0018:ffff888098077af8 EFLAGS: 00010286 RAX: 0000000000000035 RBX: ffffffff86b64ac0 RCX: 0000000000000000 RDX: 0000000000000000 RSI: 0000000000000001 RDI: ffffed101300ef55 RBP: ffff888098077b18 R08: 0000000000000035 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000000 R12: ffff8880a71f55c0 R13: ffff88808dd8ed28 R14: ffffffff86b650a0 R15: ffffffff845dbb80 kobject: 'rfkill730' (ffff88808f0bb6a8): kobject_cleanup, parent (null) dpm_sysfs_remove+0x58/0x60 drivers/base/power/sysfs.c:769 device_del+0xfc/0xaa0 drivers/base/core.c:1984 rfkill_unregister+0xd1/0x2c0 net/rfkill/core.c:1077 kobject: 'rfkill730' (ffff88808f0bb6a8): calling ktype release hci_unregister_dev+0x259/0x7d0 net/bluetooth/hci_core.c:3208 vhci_release+0x76/0xf0 drivers/bluetooth/hci_vhci.c:354 __fput+0x275/0x7a0 fs/file_table.c:210 ____fput+0x16/0x20 fs/file_table.c:244 kobject: 'hci2' (ffff88808e4ce428): kobject_uevent_env task_work_run+0x114/0x190 kernel/task_work.c:113 exit_task_work include/linux/task_work.h:22 [inline] do_exit+0x7df/0x2c10 kernel/exit.c:874 do_group_exit+0x111/0x330 kernel/exit.c:977 kobject: 'hci2' (ffff88808e4ce428): fill_kobj_path: path = '/devices/virtual/bluetooth/hci2' SYSC_exit_group kernel/exit.c:988 [inline] SyS_exit_group+0x1d/0x20 kernel/exit.c:986 do_syscall_64+0x1e8/0x640 arch/x86/entry/common.c:292 entry_SYSCALL_64_after_hwframe+0x42/0xb7 RIP: 0033:0x43fee8 RSP: 002b:00007ffd55e78ad8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 000000000043fee8 RDX: 0000000000000000 RSI: 000000000000003c RDI: 0000000000000000 RBP: 00000000004bf710 R08: 00000000000000e7 R09: ffffffffffffffd0 R10: 0000000000000004 R11: 0000000000000246 R12: 0000000000000001 R13: 00000000006d1180 R14: 0000000000000000 R15: 0000000000000000 Kernel Offset: disabled Rebooting in 86400 seconds..