RDX: 0000000000000002 RSI: 0000000020000000 RDI: 0000000000000004
RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 00007f290526b6d4
R13: 00000000004c9985 R14: 00000000004e0e40 R15: 0000000000000005
------------[ cut here ]------------
WARNING: CPU: 1 PID: 11845 at fs/kernfs/dir.c:494 kernfs_get+0x58/0x70 /fs/kernfs/dir.c:494
kobject: 'rfkill272' (ffff8880a004d428): fill_kobj_path: path = '/devices/virtual/bluetooth/hci3/rfkill272'
Kernel panic - not syncing: panic_on_warn set ...

CPU: 1 PID: 11845 Comm: syz-executor.5 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
 __warn.cold+0x2f/0x36 /kernel/panic.c:546
 report_bug+0x216/0x254 /lib/bug.c:186
 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
kobject: 'rfkill272' (ffff8880a004d428): kobject_cleanup, parent           (null)
kobject: 'rfkill272' (ffff8880a004d428): calling ktype release
 do_invalid_op+0x1b/0x20 /arch/x86/kernel/traps.c:314
kobject: 'rfkill272': free name
 invalid_op+0x1b/0x40 /arch/x86/entry/entry_64.S:960
kobject: 'hci3' (ffff88805fe799a8): kobject_uevent_env
RIP: 0010:kernfs_get+0x58/0x70 /fs/kernfs/dir.c:494
RSP: 0018:ffff88805beb7978 EFLAGS: 00010246
RAX: 0000000000040000 RBX: ffff88808c693e00 RCX: ffffc90005e45000
RDX: 0000000000040000 RSI: ffffffff81a98fc8 RDI: ffff88808c693e00
RBP: ffff88805beb7980 R08: ffff8880922ac600 R09: 0000000000000001
R10: 0000000000000000 R11: ffff8880922ac600 R12: ffff88808c693540
R13: ffff8880a15af5c0 R14: 0000000000000001 R15: 00000000000041ed
kobject: 'hci3' (ffff88805fe799a8): fill_kobj_path: path = '/devices/virtual/bluetooth/hci3'
 kernfs_new_node+0x95/0xf0 /fs/kernfs/dir.c:680
 kernfs_create_dir_ns+0x41/0x140 /fs/kernfs/dir.c:999
 sysfs_create_dir_ns+0xbe/0x1d0 /fs/sysfs/dir.c:55
kobject: 'bluetooth' (ffff88808fd5f480): kobject_cleanup, parent           (null)
 create_dir /lib/kobject.c:71 [inline]
 kobject_add_internal.part.0.cold+0x114/0x5ae /lib/kobject.c:229
kobject: 'bluetooth' (ffff88808fd5f480): calling ktype release
 kobject_add_internal /lib/kobject.c:205 [inline]
 kobject_add_varg /lib/kobject.c:364 [inline]
 kobject_add+0x11f/0x180 /lib/kobject.c:409
kobject: 'bluetooth': free name
 device_add+0x383/0x1490 /drivers/base/core.c:1809
 hci_register_dev+0x2d9/0x810 /net/bluetooth/hci_core.c:3118
kobject: 'hci3' (ffff88805fe799a8): kobject_cleanup, parent           (null)
 __vhci_create_device+0x2a6/0x560 /drivers/bluetooth/hci_vhci.c:139
 vhci_create_device /drivers/bluetooth/hci_vhci.c:163 [inline]
 vhci_get_user /drivers/bluetooth/hci_vhci.c:219 [inline]
 vhci_write+0x2a1/0x437 /drivers/bluetooth/hci_vhci.c:299
 call_write_iter /./include/linux/fs.h:1777 [inline]
 new_sync_write /fs/read_write.c:469 [inline]
 __vfs_write+0x4a7/0x6b0 /fs/read_write.c:482
kobject: 'hci3' (ffff88805fe799a8): calling ktype release
 vfs_write+0x198/0x500 /fs/read_write.c:544
kobject: 'hci3': free name
 SYSC_write /fs/read_write.c:590 [inline]
 SyS_write+0xfd/0x230 /fs/read_write.c:582
 do_syscall_64+0x1e8/0x640 /arch/x86/entry/common.c:292
 entry_SYSCALL_64_after_hwframe+0x42/0xb7
RIP: 0033:0x459819
RSP: 002b:00007f290526ac78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
RAX: ffffffffffffffda RBX: 00007f290526ac90 RCX: 0000000000459819
RDX: 0000000000000002 RSI: 0000000020000000 RDI: 0000000000000004
RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 00007f290526b6d4
R13: 00000000004c9985 R14: 00000000004e0e40 R15: 0000000000000005
Kernel Offset: disabled
Rebooting in 86400 seconds..